diff --git a/lib/tsc.js b/lib/tsc.js index e626c566482ac..ad02a9dcaf38f 100644 --- a/lib/tsc.js +++ b/lib/tsc.js @@ -13,34697 +13,34701 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -var ts; -(function (ts) { - var OperationCanceledException = (function () { - function OperationCanceledException() { - } - return OperationCanceledException; - }()); - ts.OperationCanceledException = OperationCanceledException; - (function (ExitStatus) { - ExitStatus[ExitStatus["Success"] = 0] = "Success"; - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; - })(ts.ExitStatus || (ts.ExitStatus = {})); - var ExitStatus = ts.ExitStatus; - (function (TypeReferenceSerializationKind) { - TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; - })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); - var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (DiagnosticCategory) { - DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; - DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; - DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; - })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); - var DiagnosticCategory = ts.DiagnosticCategory; -})(ts || (ts = {})); -var ts; -(function (ts) { - function createFileMap(keyMapper) { - var files = {}; - return { - get: get, - set: set, - contains: contains, - remove: remove, - forEachValue: forEachValueInMap, - clear: clear - }; - function forEachValueInMap(f) { - for (var key in files) { - f(key, files[key]); - } - } - function get(path) { - return files[toKey(path)]; - } - function set(path, value) { - files[toKey(path)] = value; - } - function contains(path) { - return hasProperty(files, toKey(path)); - } - function remove(path) { - var key = toKey(path); - delete files[key]; - } - function clear() { - files = {}; - } - function toKey(path) { - return keyMapper ? keyMapper(path) : path; - } - } - ts.createFileMap = createFileMap; - function toPath(fileName, basePath, getCanonicalFileName) { - var nonCanonicalizedPath = isRootedDiskPath(fileName) - ? normalizePath(fileName) - : getNormalizedAbsolutePath(fileName, basePath); - return getCanonicalFileName(nonCanonicalizedPath); - } - ts.toPath = toPath; - function forEach(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - var result = callback(array[i], i); - if (result) { - return result; - } - } - } - return undefined; - } - ts.forEach = forEach; - function contains(array, value) { - if (array) { - for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { - var v = array_1[_i]; - if (v === value) { - return true; - } - } - } - return false; - } - ts.contains = contains; - function indexOf(array, value) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (array[i] === value) { - return i; - } - } - } - return -1; - } - ts.indexOf = indexOf; - function countWhere(array, predicate) { - var count = 0; - if (array) { - for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { - var v = array_2[_i]; - if (predicate(v)) { - count++; - } - } - } - return count; - } - ts.countWhere = countWhere; - function filter(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { - var item = array_3[_i]; - if (f(item)) { - result.push(item); - } - } - } - return result; - } - ts.filter = filter; - function map(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { - var v = array_4[_i]; - result.push(f(v)); - } - } - return result; - } - ts.map = map; - function concatenate(array1, array2) { - if (!array2 || !array2.length) - return array1; - if (!array1 || !array1.length) - return array2; - return array1.concat(array2); - } - ts.concatenate = concatenate; - function deduplicate(array) { - var result; - if (array) { - result = []; - for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { - var item = array_5[_i]; - if (!contains(result, item)) { - result.push(item); - } - } - } - return result; - } - ts.deduplicate = deduplicate; - function sum(array, prop) { - var result = 0; - for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { - var v = array_6[_i]; - result += v[prop]; - } - return result; - } - ts.sum = sum; - function addRange(to, from) { - if (to && from) { - for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { - var v = from_1[_i]; - to.push(v); - } - } - } - ts.addRange = addRange; - function rangeEquals(array1, array2, pos, end) { - while (pos < end) { - if (array1[pos] !== array2[pos]) { - return false; - } - pos++; - } - return true; - } - ts.rangeEquals = rangeEquals; - function lastOrUndefined(array) { - if (array.length === 0) { - return undefined; - } - return array[array.length - 1]; - } - ts.lastOrUndefined = lastOrUndefined; - function binarySearch(array, value) { - var low = 0; - var high = array.length - 1; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var midValue = array[middle]; - if (midValue === value) { - return middle; - } - else if (midValue > value) { - high = middle - 1; - } - else { - low = middle + 1; - } - } - return ~low; - } - ts.binarySearch = binarySearch; - function reduceLeft(array, f, initial) { - if (array) { - var count = array.length; - if (count > 0) { - var pos = 0; - var result = arguments.length <= 2 ? array[pos] : initial; - pos++; - while (pos < count) { - result = f(result, array[pos]); - pos++; - } - return result; - } - } - return initial; - } - ts.reduceLeft = reduceLeft; - function reduceRight(array, f, initial) { - if (array) { - var pos = array.length - 1; - if (pos >= 0) { - var result = arguments.length <= 2 ? array[pos] : initial; - pos--; - while (pos >= 0) { - result = f(result, array[pos]); - pos--; - } - return result; - } - } - return initial; - } - ts.reduceRight = reduceRight; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function hasProperty(map, key) { - return hasOwnProperty.call(map, key); - } - ts.hasProperty = hasProperty; - function getProperty(map, key) { - return hasOwnProperty.call(map, key) ? map[key] : undefined; - } - ts.getProperty = getProperty; - function isEmpty(map) { - for (var id in map) { - if (hasProperty(map, id)) { - return false; - } - } - return true; - } - ts.isEmpty = isEmpty; - function clone(object) { - var result = {}; - for (var id in object) { - result[id] = object[id]; - } - return result; - } - ts.clone = clone; - function extend(first, second) { - var result = {}; - for (var id in first) { - result[id] = first[id]; - } - for (var id in second) { - if (!hasProperty(result, id)) { - result[id] = second[id]; - } - } - return result; - } - ts.extend = extend; - function forEachValue(map, callback) { - var result; - for (var id in map) { - if (result = callback(map[id])) - break; - } - return result; - } - ts.forEachValue = forEachValue; - function forEachKey(map, callback) { - var result; - for (var id in map) { - if (result = callback(id)) - break; - } - return result; - } - ts.forEachKey = forEachKey; - function lookUp(map, key) { - return hasProperty(map, key) ? map[key] : undefined; - } - ts.lookUp = lookUp; - function copyMap(source, target) { - for (var p in source) { - target[p] = source[p]; - } - } - ts.copyMap = copyMap; - function arrayToMap(array, makeKey) { - var result = {}; - forEach(array, function (value) { - result[makeKey(value)] = value; - }); - return result; - } - ts.arrayToMap = arrayToMap; - function reduceProperties(map, callback, initial) { - var result = initial; - if (map) { - for (var key in map) { - if (hasProperty(map, key)) { - result = callback(result, map[key], String(key)); - } - } - } - return result; - } - ts.reduceProperties = reduceProperties; - function isArray(value) { - return Array.isArray ? Array.isArray(value) : value instanceof Array; - } - ts.isArray = isArray; - function memoize(callback) { - var value; - return function () { - if (callback) { - value = callback(); - callback = undefined; - } - return value; - }; - } - ts.memoize = memoize; - function formatStringFromArgs(text, args, baseIndex) { - baseIndex = baseIndex || 0; - return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); - } - ts.localizedDiagnosticMessages = undefined; - function getLocaleSpecificMessage(message) { - return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] - ? ts.localizedDiagnosticMessages[message.key] - : message.message; - } - ts.getLocaleSpecificMessage = getLocaleSpecificMessage; - function createFileDiagnostic(file, start, length, message) { - var end = start + length; - Debug.assert(start >= 0, "start must be non-negative, is " + start); - Debug.assert(length >= 0, "length must be non-negative, is " + length); - if (file) { - Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); - Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); - } - var text = getLocaleSpecificMessage(message); - if (arguments.length > 4) { - text = formatStringFromArgs(text, arguments, 4); - } - return { - file: file, - start: start, - length: length, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createFileDiagnostic = createFileDiagnostic; - function createCompilerDiagnostic(message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 1) { - text = formatStringFromArgs(text, arguments, 1); - } - return { - file: undefined, - start: undefined, - length: undefined, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createCompilerDiagnostic = createCompilerDiagnostic; - function chainDiagnosticMessages(details, message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 2) { - text = formatStringFromArgs(text, arguments, 2); - } - return { - messageText: text, - category: message.category, - code: message.code, - next: details - }; - } - ts.chainDiagnosticMessages = chainDiagnosticMessages; - function concatenateDiagnosticMessageChains(headChain, tailChain) { - var lastChain = headChain; - while (lastChain.next) { - lastChain = lastChain.next; - } - lastChain.next = tailChain; - return headChain; - } - ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; - function compareValues(a, b) { - if (a === b) - return 0; - if (a === undefined) - return -1; - if (b === undefined) - return 1; - return a < b ? -1 : 1; - } - ts.compareValues = compareValues; - function getDiagnosticFileName(diagnostic) { - return diagnostic.file ? diagnostic.file.fileName : undefined; - } - function compareDiagnostics(d1, d2) { - return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || - compareValues(d1.start, d2.start) || - compareValues(d1.length, d2.length) || - compareValues(d1.code, d2.code) || - compareMessageText(d1.messageText, d2.messageText) || - 0; - } - ts.compareDiagnostics = compareDiagnostics; - function compareMessageText(text1, text2) { - while (text1 && text2) { - var string1 = typeof text1 === "string" ? text1 : text1.messageText; - var string2 = typeof text2 === "string" ? text2 : text2.messageText; - var res = compareValues(string1, string2); - if (res) { - return res; - } - text1 = typeof text1 === "string" ? undefined : text1.next; - text2 = typeof text2 === "string" ? undefined : text2.next; - } - if (!text1 && !text2) { - return 0; - } - return text1 ? 1 : -1; - } - function sortAndDeduplicateDiagnostics(diagnostics) { - return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); - } - ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; - function deduplicateSortedDiagnostics(diagnostics) { - if (diagnostics.length < 2) { - return diagnostics; - } - var newDiagnostics = [diagnostics[0]]; - var previousDiagnostic = diagnostics[0]; - for (var i = 1; i < diagnostics.length; i++) { - var currentDiagnostic = diagnostics[i]; - var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0; - if (!isDupe) { - newDiagnostics.push(currentDiagnostic); - previousDiagnostic = currentDiagnostic; - } - } - return newDiagnostics; - } - ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; - function normalizeSlashes(path) { - return path.replace(/\\/g, "/"); - } - ts.normalizeSlashes = normalizeSlashes; - function getRootLength(path) { - if (path.charCodeAt(0) === 47) { - if (path.charCodeAt(1) !== 47) - return 1; - var p1 = path.indexOf("/", 2); - if (p1 < 0) - return 2; - var p2 = path.indexOf("/", p1 + 1); - if (p2 < 0) - return p1 + 1; - return p2 + 1; - } - if (path.charCodeAt(1) === 58) { - if (path.charCodeAt(2) === 47) - return 3; - return 2; - } - if (path.lastIndexOf("file:///", 0) === 0) { - return "file:///".length; - } - var idx = path.indexOf("://"); - if (idx !== -1) { - return idx + "://".length; - } - return 0; - } - ts.getRootLength = getRootLength; - ts.directorySeparator = "/"; - function getNormalizedParts(normalizedSlashedPath, rootLength) { - var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); - var normalized = []; - for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { - var part = parts_1[_i]; - if (part !== ".") { - if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { - normalized.pop(); - } - else { - if (part) { - normalized.push(part); - } - } - } - } - return normalized; - } - function normalizePath(path) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - var normalized = getNormalizedParts(path, rootLength); - return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); - } - ts.normalizePath = normalizePath; - function getDirectoryPath(path) { - return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); - } - ts.getDirectoryPath = getDirectoryPath; - function isUrl(path) { - return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; - } - ts.isUrl = isUrl; - function isRootedDiskPath(path) { - return getRootLength(path) !== 0; - } - ts.isRootedDiskPath = isRootedDiskPath; - function normalizedPathComponents(path, rootLength) { - var normalizedParts = getNormalizedParts(path, rootLength); - return [path.substr(0, rootLength)].concat(normalizedParts); - } - function getNormalizedPathComponents(path, currentDirectory) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - if (rootLength === 0) { - path = combinePaths(normalizeSlashes(currentDirectory), path); - rootLength = getRootLength(path); - } - return normalizedPathComponents(path, rootLength); - } - ts.getNormalizedPathComponents = getNormalizedPathComponents; - function getNormalizedAbsolutePath(fileName, currentDirectory) { - return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); - } - ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; - function getNormalizedPathFromPathComponents(pathComponents) { - if (pathComponents && pathComponents.length) { - return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); - } - } - ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; - function getNormalizedPathComponentsOfUrl(url) { - var urlLength = url.length; - var rootLength = url.indexOf("://") + "://".length; - while (rootLength < urlLength) { - if (url.charCodeAt(rootLength) === 47) { - rootLength++; - } - else { - break; - } - } - if (rootLength === urlLength) { - return [url]; - } - var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); - if (indexOfNextSlash !== -1) { - rootLength = indexOfNextSlash + 1; - return normalizedPathComponents(url, rootLength); - } - else { - return [url + ts.directorySeparator]; - } - } - function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { - if (isUrl(pathOrUrl)) { - return getNormalizedPathComponentsOfUrl(pathOrUrl); - } - else { - return getNormalizedPathComponents(pathOrUrl, currentDirectory); - } - } - function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { - var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); - var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); - if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { - directoryComponents.length--; - } - var joinStartIndex; - for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { - break; - } - } - if (joinStartIndex) { - var relativePath = ""; - var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); - for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (directoryComponents[joinStartIndex] !== "") { - relativePath = relativePath + ".." + ts.directorySeparator; - } - } - return relativePath + relativePathComponents.join(ts.directorySeparator); - } - var absolutePath = getNormalizedPathFromPathComponents(pathComponents); - if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { - absolutePath = "file:///" + absolutePath; - } - return absolutePath; - } - ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; - function getBaseFileName(path) { - if (path === undefined) { - return undefined; - } - var i = path.lastIndexOf(ts.directorySeparator); - return i < 0 ? path : path.substring(i + 1); - } - ts.getBaseFileName = getBaseFileName; - function combinePaths(path1, path2) { - if (!(path1 && path1.length)) - return path2; - if (!(path2 && path2.length)) - return path1; - if (getRootLength(path2) !== 0) - return path2; - if (path1.charAt(path1.length - 1) === ts.directorySeparator) - return path1 + path2; - return path1 + ts.directorySeparator + path2; - } - ts.combinePaths = combinePaths; - function fileExtensionIs(path, extension) { - var pathLen = path.length; - var extLen = extension.length; - return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; - } - ts.fileExtensionIs = fileExtensionIs; - ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; - ts.supportedJavascriptExtensions = [".js", ".jsx"]; - var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); - function getSupportedExtensions(options) { - return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; - } - ts.getSupportedExtensions = getSupportedExtensions; - function isSupportedSourceFileName(fileName, compilerOptions) { - if (!fileName) { - return false; - } - for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { - var extension = _a[_i]; - if (fileExtensionIs(fileName, extension)) { - return true; - } - } - return false; - } - ts.isSupportedSourceFileName = isSupportedSourceFileName; - var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; - function removeFileExtension(path) { - for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { - var ext = extensionsToRemove_1[_i]; - if (fileExtensionIs(path, ext)) { - return path.substr(0, path.length - ext.length); - } - } - return path; - } - ts.removeFileExtension = removeFileExtension; - function Symbol(flags, name) { - this.flags = flags; - this.name = name; - this.declarations = undefined; - } - function Type(checker, flags) { - this.flags = flags; - } - function Signature(checker) { - } - function Node(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0; - this.parent = undefined; - } - ts.objectAllocator = { - getNodeConstructor: function () { return Node; }, - getSourceFileConstructor: function () { return Node; }, - getSymbolConstructor: function () { return Symbol; }, - getTypeConstructor: function () { return Type; }, - getSignatureConstructor: function () { return Signature; } - }; - var Debug; - (function (Debug) { - var currentAssertionLevel = 0; - function shouldAssert(level) { - return currentAssertionLevel >= level; - } - Debug.shouldAssert = shouldAssert; - function assert(expression, message, verboseDebugInfo) { - if (!expression) { - var verboseDebugString = ""; - if (verboseDebugInfo) { - verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); - } - debugger; - throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); - } - } - Debug.assert = assert; - function fail(message) { - Debug.assert(false, message); - } - Debug.fail = fail; - })(Debug = ts.Debug || (ts.Debug = {})); - function copyListRemovingItem(item, list) { - var copiedList = []; - for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { - var e = list_1[_i]; - if (e !== item) { - copiedList.push(e); - } - } - return copiedList; - } - ts.copyListRemovingItem = copyListRemovingItem; - function createGetCanonicalFileName(useCaseSensitivefileNames) { - return useCaseSensitivefileNames - ? (function (fileName) { return fileName; }) - : (function (fileName) { return fileName.toLowerCase(); }); - } - ts.createGetCanonicalFileName = createGetCanonicalFileName; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.sys = (function () { - function getWScriptSystem() { - var fso = new ActiveXObject("Scripting.FileSystemObject"); - var fileStream = new ActiveXObject("ADODB.Stream"); - fileStream.Type = 2; - var binaryStream = new ActiveXObject("ADODB.Stream"); - binaryStream.Type = 1; - var args = []; - for (var i = 0; i < WScript.Arguments.length; i++) { - args[i] = WScript.Arguments.Item(i); - } - function readFile(fileName, encoding) { - if (!fso.FileExists(fileName)) { - return undefined; - } - fileStream.Open(); - try { - if (encoding) { - fileStream.Charset = encoding; - fileStream.LoadFromFile(fileName); - } - else { - fileStream.Charset = "x-ansi"; - fileStream.LoadFromFile(fileName); - var bom = fileStream.ReadText(2) || ""; - fileStream.Position = 0; - fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; - } - return fileStream.ReadText(); - } - catch (e) { - throw e; - } - finally { - fileStream.Close(); - } - } - function writeFile(fileName, data, writeByteOrderMark) { - fileStream.Open(); - binaryStream.Open(); - try { - fileStream.Charset = "utf-8"; - fileStream.WriteText(data); - if (writeByteOrderMark) { - fileStream.Position = 0; - } - else { - fileStream.Position = 3; - } - fileStream.CopyTo(binaryStream); - binaryStream.SaveToFile(fileName, 2); - } - finally { - binaryStream.Close(); - fileStream.Close(); - } - } - function getCanonicalPath(path) { - return path.toLowerCase(); - } - function getNames(collection) { - var result = []; - for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { - result.push(e.item().Name); - } - return result.sort(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var folder = fso.GetFolder(path || "."); - var files = getNames(folder.files); - for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { - var current = files_1[_i]; - var name_1 = ts.combinePaths(path, current); - if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { - result.push(name_1); - } - } - var subfolders = getNames(folder.subfolders); - for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { - var current = subfolders_1[_a]; - var name_2 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_2))) { - visitDirectory(name_2); - } - } - } - } - return { - args: args, - newLine: "\r\n", - useCaseSensitiveFileNames: false, - write: function (s) { - WScript.StdOut.Write(s); - }, - readFile: readFile, - writeFile: writeFile, - resolvePath: function (path) { - return fso.GetAbsolutePathName(path); - }, - fileExists: function (path) { - return fso.FileExists(path); - }, - directoryExists: function (path) { - return fso.FolderExists(path); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - fso.CreateFolder(directoryName); - } - }, - getExecutingFilePath: function () { - return WScript.ScriptFullName; - }, - getCurrentDirectory: function () { - return new ActiveXObject("WScript.Shell").CurrentDirectory; - }, - readDirectory: readDirectory, - exit: function (exitCode) { - try { - WScript.Quit(exitCode); - } - catch (e) { - } - } - }; - } - function getNodeSystem() { - var _fs = require("fs"); - var _path = require("path"); - var _os = require("os"); - function createPollingWatchedFileSet(interval, chunkSize) { - if (interval === void 0) { interval = 2500; } - if (chunkSize === void 0) { chunkSize = 30; } - var watchedFiles = []; - var nextFileToCheck = 0; - var watchTimer; - function getModifiedTime(fileName) { - return _fs.statSync(fileName).mtime; - } - function poll(checkedIndex) { - var watchedFile = watchedFiles[checkedIndex]; - if (!watchedFile) { - return; - } - _fs.stat(watchedFile.filePath, function (err, stats) { - if (err) { - watchedFile.callback(watchedFile.filePath); - } - else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { - watchedFile.mtime = getModifiedTime(watchedFile.filePath); - watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); - } - }); - } - function startWatchTimer() { - watchTimer = setInterval(function () { - var count = 0; - var nextToCheck = nextFileToCheck; - var firstCheck = -1; - while ((count < chunkSize) && (nextToCheck !== firstCheck)) { - poll(nextToCheck); - if (firstCheck < 0) { - firstCheck = nextToCheck; - } - nextToCheck++; - if (nextToCheck === watchedFiles.length) { - nextToCheck = 0; - } - count++; - } - nextFileToCheck = nextToCheck; - }, interval); - } - function addFile(filePath, callback) { - var file = { - filePath: filePath, - callback: callback, - mtime: getModifiedTime(filePath) - }; - watchedFiles.push(file); - if (watchedFiles.length === 1) { - startWatchTimer(); - } - return file; - } - function removeFile(file) { - watchedFiles = ts.copyListRemovingItem(file, watchedFiles); - } - return { - getModifiedTime: getModifiedTime, - poll: poll, - startWatchTimer: startWatchTimer, - addFile: addFile, - removeFile: removeFile - }; - } - function createWatchedFileSet() { - var dirWatchers = ts.createFileMap(); - var fileWatcherCallbacks = ts.createFileMap(); - return { addFile: addFile, removeFile: removeFile }; - function reduceDirWatcherRefCountForFile(filePath) { - var dirPath = ts.getDirectoryPath(filePath); - if (dirWatchers.contains(dirPath)) { - var watcher = dirWatchers.get(dirPath); - watcher.referenceCount -= 1; - if (watcher.referenceCount <= 0) { - watcher.close(); - dirWatchers.remove(dirPath); - } - } - } - function addDirWatcher(dirPath) { - if (dirWatchers.contains(dirPath)) { - var watcher_1 = dirWatchers.get(dirPath); - watcher_1.referenceCount += 1; - return; - } - var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); - watcher.referenceCount = 1; - dirWatchers.set(dirPath, watcher); - return; - } - function addFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - fileWatcherCallbacks.get(filePath).push(callback); - } - else { - fileWatcherCallbacks.set(filePath, [callback]); - } - } - function addFile(filePath, callback) { - addFileWatcherCallback(filePath, callback); - addDirWatcher(ts.getDirectoryPath(filePath)); - return { filePath: filePath, callback: callback }; - } - function removeFile(watchedFile) { - removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); - reduceDirWatcherRefCountForFile(watchedFile.filePath); - } - function removeFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); - if (newCallbacks.length === 0) { - fileWatcherCallbacks.remove(filePath); - } - else { - fileWatcherCallbacks.set(filePath, newCallbacks); - } - } - } - function fileEventHandler(eventName, relativeFileName, baseDirPath) { - var filePath = typeof relativeFileName !== "string" - ? undefined - : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { - for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { - var fileCallback = _a[_i]; - fileCallback(filePath); - } - } - } - } - var pollingWatchedFileSet = createPollingWatchedFileSet(); - var watchedFileSet = createWatchedFileSet(); - function isNode4OrLater() { - return parseInt(process.version.charAt(1)) >= 4; - } - var platform = _os.platform(); - var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; - function readFile(fileName, encoding) { - if (!_fs.existsSync(fileName)) { - return undefined; - } - var buffer = _fs.readFileSync(fileName); - var len = buffer.length; - if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { - len &= ~1; - for (var i = 0; i < len; i += 2) { - var temp = buffer[i]; - buffer[i] = buffer[i + 1]; - buffer[i + 1] = temp; - } - return buffer.toString("utf16le", 2); - } - if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { - return buffer.toString("utf16le", 2); - } - if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { - return buffer.toString("utf8", 3); - } - return buffer.toString("utf8"); - } - function writeFile(fileName, data, writeByteOrderMark) { - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - var fd; - try { - fd = _fs.openSync(fileName, "w"); - _fs.writeSync(fd, data, undefined, "utf8"); - } - finally { - if (fd !== undefined) { - _fs.closeSync(fd); - } - } - } - function getCanonicalPath(path) { - return useCaseSensitiveFileNames ? path : path.toLowerCase(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var files = _fs.readdirSync(path || ".").sort(); - var directories = []; - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var current = files_2[_i]; - var name_3 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_3))) { - var stat = _fs.statSync(name_3); - if (stat.isFile()) { - if (!extension || ts.fileExtensionIs(name_3, extension)) { - result.push(name_3); - } - } - else if (stat.isDirectory()) { - directories.push(name_3); - } - } - } - for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { - var current = directories_1[_a]; - visitDirectory(current); - } - } - } - return { - args: process.argv.slice(2), - newLine: _os.EOL, - useCaseSensitiveFileNames: useCaseSensitiveFileNames, - write: function (s) { - process.stdout.write(s); - }, - readFile: readFile, - writeFile: writeFile, - watchFile: function (filePath, callback) { - var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; - var watchedFile = watchSet.addFile(filePath, callback); - return { - close: function () { return watchSet.removeFile(watchedFile); } - }; - }, - watchDirectory: function (path, callback, recursive) { - var options; - if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { - options = { persistent: true, recursive: !!recursive }; - } - else { - options = { persistent: true }; - } - return _fs.watch(path, options, function (eventName, relativeFileName) { - if (eventName === "rename") { - callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); - } - ; - }); - }, - resolvePath: function (path) { - return _path.resolve(path); - }, - fileExists: function (path) { - return _fs.existsSync(path); - }, - directoryExists: function (path) { - return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - _fs.mkdirSync(directoryName); - } - }, - getExecutingFilePath: function () { - return __filename; - }, - getCurrentDirectory: function () { - return process.cwd(); - }, - readDirectory: readDirectory, - getMemoryUsage: function () { - if (global.gc) { - global.gc(); - } - return process.memoryUsage().heapUsed; - }, - exit: function (exitCode) { - process.exit(exitCode); - } - }; - } - function getChakraSystem() { - return { - newLine: ChakraHost.newLine || "\r\n", - args: ChakraHost.args, - useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, - write: ChakraHost.echo, - readFile: function (path, encoding) { - return ChakraHost.readFile(path); - }, - writeFile: function (path, data, writeByteOrderMark) { - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - ChakraHost.writeFile(path, data); - }, - resolvePath: ChakraHost.resolvePath, - fileExists: ChakraHost.fileExists, - directoryExists: ChakraHost.directoryExists, - createDirectory: ChakraHost.createDirectory, - getExecutingFilePath: function () { return ChakraHost.executingFile; }, - getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, - readDirectory: ChakraHost.readDirectory, - exit: ChakraHost.quit - }; - } - if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { - return getWScriptSystem(); - } - else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { - return getNodeSystem(); - } - else if (typeof ChakraHost !== "undefined") { - return getChakraSystem(); - } - else { - return undefined; - } - })(); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.Diagnostics = { - Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, - Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, - _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, - A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, - Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, - Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, - Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, - A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, - Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, - A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, - An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, - An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, - An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, - An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, - An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, - An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, - An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, - Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, - _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, - _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, - _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, - super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, - Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, - Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, - A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, - Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, - _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, - _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, - _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, - _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, - _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, - A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, - A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, - A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, - A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, - A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, - A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, - A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, - A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, - A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, - Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, - Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, - An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, - Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, - Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, - Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, - Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, - _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, - An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, - The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, - In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, - Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, - A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, - Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, - Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, - An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, - _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, - _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, - Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, - Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, - An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, - A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, - An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, - _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, - Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, - Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, - Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, - with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, - delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, - A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, - A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, - Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, - A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, - Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, - Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, - A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, - A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, - Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, - A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, - A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, - An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, - An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, - An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, - An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, - Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, - A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, - Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, - Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, - Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, - Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, - Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, - Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, - Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, - case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, - Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, - Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, - Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, - Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, - Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, - Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, - Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, - Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, - Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, - String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, - Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, - or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, - Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, - Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, - Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, - Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, - File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, - new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, - const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, - const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, - let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, - Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, - Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, - An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, - A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, - Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, - A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, - A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, - A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, - extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, - extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, - Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, - implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, - Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, - Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, - Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, - Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, - Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, - Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, - A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, - An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, - Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, - Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, - A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, - A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, - The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, - The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, - An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, - Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, - An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, - Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, - Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, - Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, - An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, - Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, - Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, - Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, - Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, - Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, - Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, - Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, - Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, - Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, - Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, - A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, - Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, - Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, - Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, - Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, - Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, - An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, - _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, - Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, - Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, - Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, - Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, - A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, - A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, - A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, - An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, - An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, - An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, - An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, - A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, - The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, - The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, - Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, - Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, - Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, - Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, - abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, - _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, - Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, - Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, - An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, - A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, - A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, - A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, - with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, - await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, - Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, - can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, - The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, - Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, - Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, - Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, - Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, - Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, - Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, - File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, - Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, - Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, - An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, - Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, - A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, - An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, - Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, - Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, - Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, - Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, - Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, - Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, - Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, - Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, - Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, - Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, - Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, - Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, - Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, - Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, - Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, - Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, - Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, - Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, - this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, - this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, - this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, - this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, - super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, - super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, - Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, - super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, - Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, - Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, - Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, - An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, - Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, - Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, - Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, - Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, - Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, - Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, - Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, - Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, - Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, - Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, - No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, - A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, - An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, - The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, - The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, - The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, - The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, - The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, - The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, - Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, - Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, - A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, - A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, - A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, - Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, - Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, - Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, - Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, - A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, - Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, - A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, - Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, - get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, - A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, - Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, - Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, - Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, - Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, - Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, - Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, - Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, - Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, - Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, - Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, - Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, - Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, - Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, - Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, - Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, - Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, - Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, - Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, - Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, - Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, - Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, - The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, - The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, - Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, - The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, - Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, - Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, - All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, - Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, - Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, - Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, - Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, - Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, - Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, - Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, - Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, - A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, - Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, - Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, - Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, - All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, - Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, - Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, - In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, - A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, - A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, - Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, - Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, - Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, - Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, - Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, - Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, - Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, - Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, - Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, - Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, - Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, - The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, - Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, - The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, - Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, - Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, - An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, - The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, - Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, - Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, - Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, - An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, - Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, - Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, - Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, - A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, - A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, - A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, - this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, - super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, - A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, - Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, - The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, - Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, - A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, - Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, - Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, - In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, - const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, - A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, - const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, - const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, - Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, - let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, - Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, - The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, - Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, - The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, - Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, - Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, - An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, - The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, - Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, - Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, - Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, - Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, - The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, - Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, - Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, - An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, - A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, - A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, - _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, - Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, - No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, - A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, - _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, - Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, - No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, - Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, - Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, - Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, - Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, - Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, - Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, - Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, - All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, - Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, - A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, - Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, - Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, - The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, - yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, - await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, - Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, - A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, - The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, - A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, - JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, - The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, - JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, - Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, - JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, - JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, - Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, - JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, - The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, - Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, - A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, - Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, - Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, - Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, - Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, - JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, - Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, - super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, - super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, - Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, - Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, - Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, - Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, - Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, - Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, - Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, - export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, - Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, - Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, - Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, - Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, - Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, - Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, - Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, - Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, - Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, - Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, - Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, - Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, - Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, - Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, - Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, - The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, - Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, - Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, - Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, - Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, - Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, - Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, - Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, - Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, - Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, - Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, - Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, - Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, - A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, - Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, - Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, - Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, - The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, - Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, - Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, - Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, - Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, - Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, - Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, - Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, - Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, - Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, - Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, - Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, - Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, - Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, - Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, - Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, - Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, - Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, - Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, - options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, - file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, - Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, - Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, - Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, - Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, - File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, - KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, - FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, - VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, - LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, - DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, - Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, - Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, - Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, - Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, - Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, - Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, - Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, - Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, - Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, - Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, - Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, - File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, - File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, - Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, - Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, - Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, - File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, - Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, - NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, - Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, - Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, - Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, - Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, - Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, - Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, - Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, - Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, - Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, - Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, - Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, - Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, - Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, - Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, - Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, - Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, - Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, - Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, - Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, - Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, - Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, - Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, - Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, - Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, - new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, - _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, - Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, - Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, - Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, - Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, - Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, - Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, - Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, - _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, - JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, - Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, - Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, - Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, - Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, - You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, - You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, - import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, - export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, - type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, - implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, - interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, - module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, - type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, - _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, - types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, - type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, - parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, - property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, - enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, - type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, - Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, - class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, - JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, - JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, - Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, - JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, - Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, - A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, - An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, - super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } - }; -})(ts || (ts = {})); -var ts; -(function (ts) { - function tokenIsIdentifierOrKeyword(token) { - return token >= 69; - } - ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; - var textToToken = { - "abstract": 115, - "any": 117, - "as": 116, - "boolean": 120, - "break": 70, - "case": 71, - "catch": 72, - "class": 73, - "continue": 75, - "const": 74, - "constructor": 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4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - if (code < map[0]) { - return false; - } - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; - } - } - return false; - } - function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); - } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); - } - function makeReverseMap(source) { - var result = []; - for (var name_4 in source) { - if (source.hasOwnProperty(name_4)) { - result[source[name_4]] = name_4; - } - } - return result; - } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; - } - ts.tokenToString = tokenToString; - function stringToToken(s) { - return textToToken[s]; - } - ts.stringToToken = stringToToken; - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13: - if (text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; - } - } - result.push(lineStart); - return result; - } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); - } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; - } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); - } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - return ch === 32 || - ch === 9 || - ch === 11 || - ch === 12 || - ch === 160 || - ch === 133 || - ch === 5760 || - ch >= 8192 && ch <= 8203 || - ch === 8239 || - ch === 8287 || - ch === 12288 || - ch === 65279; - } - ts.isWhiteSpace = isWhiteSpace; - function isLineBreak(ch) { - return ch === 10 || - ch === 13 || - ch === 8232 || - ch === 8233; - } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 && ch <= 57; - } - function isOctalDigit(ch) { - return ch >= 48 && ch <= 55; - } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - case 10: - case 9: - case 11: - case 12: - case 32: - case 47: - case 60: - case 61: - case 62: - return true; - case 35: - return pos === 0; - default: - return ch > 127; - } - } - ts.couldStartTrivia = couldStartTrivia; - function skipTrivia(text, pos, stopAfterLineBreak) { - if (!(pos >= 0)) { - return pos; - } - while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60: - case 61: - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { - pos++; - continue; - } - break; - } - return pos; - } - } - ts.skipTrivia = skipTrivia; - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32; - } - } - return false; - } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); - } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 || ch === 62) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; - } - } - else { - ts.Debug.assert(ch === 61); - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } - } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); - } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; - } - function getCommentRanges(text, pos, trailing) { - var result; - var collecting = trailing || pos === 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (trailing) { - return result; - } - collecting = true; - if (result && result.length) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 || nextChar === 42) { - var kind = nextChar === 47 ? 2 : 3; - var startPos = pos; - pos += 2; - if (nextChar === 47) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (!result) { - result = []; - } - result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - } - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { - if (result && result.length && isLineBreak(ch)) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - pos++; - continue; - } - break; - } - return result; - } - return result; - } - function getLeadingCommentRanges(text, pos) { - return getCommentRanges(text, pos, false); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return getCommentRanges(text, pos, true); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - function isIdentifier(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; - } - } - return true; - } - ts.isIdentifier = isIdentifier; - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0; } - var pos; - var end; - var startPos; - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 69 || token > 105; }, - isReservedWord: function () { return token >= 70 && token <= 105; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); - } - } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - } - var end = pos; - if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { - pos++; - if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); - } - } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); - } - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(count, false); - } - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(count, true); - } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 && ch <= 57) { - value = value * 16 + ch - 48; - } - else if (ch >= 65 && ch <= 70) { - value = value * 16 + ch - 65 + 10; - } - else if (ch >= 97 && ch <= 102) { - value = value * 16 + ch - 97 + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; - } - return value; - } - function scanString() { - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; - } - return result; - } - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 11 : 14; - break; - } - var currChar = text.charCodeAt(pos); - if (currChar === 96) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 11 : 14; - break; - } - if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 12 : 13; - break; - } - if (currChar === 92) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - if (currChar === 13) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; - } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48: - return "\0"; - case 98: - return "\b"; - case 116: - return "\t"; - case 110: - return "\n"; - case 118: - return "\v"; - case 102: - return "\f"; - case 114: - return "\r"; - case 39: - return "\'"; - case 34: - return "\""; - case 117: - if (pos < end && text.charCodeAt(pos) === 123) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - return scanHexadecimalEscape(4); - case 120: - return scanHexadecimalEscape(2); - case 13: - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - case 8232: - case 8233: - return ""; - default: - return String.fromCharCode(ch); - } - } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; - } - } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125) { - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); - } - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); - } - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; - } - return -1; - } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - pos += 6; - start = pos; - } - else { - break; - } - } - result += text.substring(start, pos); - return result; - } - function getIdentifierToken() { - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 69; - } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); - var value = 0; - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - if (numberOfDigits === 0) { - return -1; - } - return value; - } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var ch = text.charCodeAt(pos); - if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6; - } - } - switch (ch) { - case 10: - case 13: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { - pos += 2; - } - else { - pos++; - } - return token = 4; - } - case 9: - case 11: - case 12: - case 32: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - } - case 33: - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 33; - } - return pos += 2, token = 31; - } - pos++; - return token = 49; - case 34: - case 39: - tokenValue = scanString(); - return token = 9; - case 96: - return token = scanTemplateAndSetTokenValue(); - case 37: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 62; - } - pos++; - return token = 40; - case 38: - if (text.charCodeAt(pos + 1) === 38) { - return pos += 2, token = 51; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 66; - } - pos++; - return token = 46; - case 40: - pos++; - return token = 17; - case 41: - pos++; - return token = 18; - case 42: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 59; - } - if (text.charCodeAt(pos + 1) === 42) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 60; - } - return pos += 2, token = 38; - } - pos++; - return token = 37; - case 43: - if (text.charCodeAt(pos + 1) === 43) { - return pos += 2, token = 41; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 57; - } - pos++; - return token = 35; - case 44: - pos++; - return token = 24; - case 45: - if (text.charCodeAt(pos + 1) === 45) { - return pos += 2, token = 42; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 58; - } - pos++; - return token = 36; - case 46: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8; - } - if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { - return pos += 3, token = 22; - } - pos++; - return token = 21; - case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2; - } - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3; - } - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 61; - } - pos++; - return token = 39; - case 48: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { - pos += 2; - var value = scanBinaryOrOctalDigits(2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { - pos += 2; - var value = scanBinaryOrOctalDigits(8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8; - } - case 49: - case 50: - case 51: - case 52: - case 53: - case 54: - case 55: - case 56: - case 57: - tokenValue = scanNumber(); - return token = 8; - case 58: - pos++; - return token = 54; - case 59: - pos++; - return token = 23; - case 60: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 60) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 63; - } - return pos += 2, token = 43; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 28; - } - if (languageVariant === 1 && - text.charCodeAt(pos + 1) === 47 && - text.charCodeAt(pos + 2) !== 42) { - return pos += 2, token = 26; - } - pos++; - return token = 25; - case 61: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 32; - } - return pos += 2, token = 30; - } - if (text.charCodeAt(pos + 1) === 62) { - return pos += 2, token = 34; - } - pos++; - return token = 56; - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - pos++; - return token = 27; - case 63: - pos++; - return token = 53; - case 91: - pos++; - return token = 19; - case 93: - pos++; - return token = 20; - case 94: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 68; - } - pos++; - return token = 48; - case 123: - pos++; - return token = 15; - case 124: - if (text.charCodeAt(pos + 1) === 124) { - return pos += 2, token = 52; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 67; - } - pos++; - return token = 47; - case 125: - pos++; - return token = 16; - case 126: - pos++; - return token = 50; - case 64: - pos++; - return token = 55; - case 92: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpace(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - } - } - } - function reScanGreaterToken() { - if (token === 27) { - if (text.charCodeAt(pos) === 62) { - if (text.charCodeAt(pos + 1) === 62) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 65; - } - return pos += 2, token = 45; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 64; - } - pos++; - return token = 44; - } - if (text.charCodeAt(pos) === 61) { - pos++; - return token = 29; - } - } - return token; - } - function reScanSlashToken() { - if (token === 39 || token === 61) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - inEscape = false; - } - else if (ch === 47 && !inCharacterClass) { - p++; - break; - } - else if (ch === 91) { - inCharacterClass = true; - } - else if (ch === 92) { - inEscape = true; - } - else if (ch === 93) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; - } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 10; - } - return token; - } - function reScanTemplateToken() { - ts.Debug.assert(token === 16, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); - } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); - } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var char = text.charCodeAt(pos); - if (char === 60) { - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - return token = 26; - } - pos++; - return token = 25; - } - if (char === 123) { - pos++; - return token = 15; - } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123) || (char === 60)) { - break; - } - } - return token = 239; - } - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } - } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); - } - return token; - } - function scanJSDocToken() { - if (pos >= end) { - return token = 1; - } - startPos = pos; - var ch = text.charCodeAt(pos); - while (pos < end) { - ch = text.charCodeAt(pos); - if (isWhiteSpace(ch)) { - pos++; - } - else { - break; - } - } - tokenPos = pos; - switch (ch) { - case 64: - return pos += 1, token = 55; - case 10: - case 13: - return pos += 1, token = 4; - case 42: - return pos += 1, token = 37; - case 123: - return pos += 1, token = 15; - case 125: - return pos += 1, token = 16; - case 91: - return pos += 1, token = 19; - case 93: - return pos += 1, token = 20; - case 61: - return pos += 1, token = 56; - case 44: - return pos += 1, token = 24; - } - if (isIdentifierStart(ch, 2)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 2) && pos < end) { - pos++; - } - return token = 69; - } - else { - return pos += 1, token = 0; - } - } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; - } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, true); - } - function tryScan(callback) { - return speculationHelper(callback, false); - } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); - } - function setOnError(errorCallback) { - onError = errorCallback; - } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; - } - function setLanguageVariant(variant) { - languageVariant = variant; - } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; - } - } - ts.createScanner = createScanner; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; - } - } - } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = {}; - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - function containsParseError(node) { - aggregateChildData(node); - return (node.parserContextFlags & 64) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.parserContextFlags & 128)) { - var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16) !== 0) || - ts.forEachChild(node, containsParseError); - if (thisNodeOrAnySubNodesHasError) { - node.parserContextFlags |= 64; - } - node.parserContextFlags |= 128; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 251) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 195: - case 223: - case 202: - case 203: - case 204: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - function nodeIsMissing(node) { - if (!node) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node)) { - return node.pos; - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; - } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (getCombinedNodeFlags(declaration) & 24576) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 221 && - (node.name.kind === 9 || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isBlockScopedContainerTopLevel(node) { - return node.kind === 251 || - node.kind === 221 || - isFunctionLike(node) || - isFunctionBlock(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 2097152); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - if (!node || !isAmbientModule(node)) { - return false; - } - switch (node.parent.kind) { - case 251: - return isExternalModule(node.parent); - case 222: - return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); - } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isFunctionLike(current)) { - return current; - } - switch (current.kind) { - case 251: - case 223: - case 247: - case 221: - case 202: - case 203: - case 204: - return current; - case 195: - if (!isFunctionLike(current.parent)) { - return current; - } - } - current = current.parent; - } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 214 && - declaration.parent && - declaration.parent.kind === 247; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 251: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); - if (pos_1 === sourceFile.text.length) { - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - case 214: - case 166: - case 217: - case 189: - case 218: - case 221: - case 220: - case 250: - case 216: - case 176: - case 144: - case 219: - errorNode = node.name; - break; - } - if (errorNode === undefined) { - return getSpanOfTokenAtPosition(sourceFile, node.pos); - } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; - } - ts.isExternalModule = isExternalModule; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return (file.flags & 4096) !== 0; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 220 && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 166 || isBindingPattern(node))) { - node = node.parent; - } - return node; - } - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 214) { - node = node.parent; - } - if (node && node.kind === 215) { - flags |= node.flags; - node = node.parent; - } - if (node && node.kind === 196) { - flags |= node.flags; - } - return flags; - } - ts.getCombinedNodeFlags = getCombinedNodeFlags; - function isConst(node) { - return !!(getCombinedNodeFlags(node) & 16384); - } - ts.isConst = isConst; - function isLet(node) { - return !!(getCombinedNodeFlags(node) & 8192); - } - ts.isLet = isLet; - function isSuperCallExpression(n) { - return n.kind === 171 && n.expression.kind === 95; - } - ts.isSuperCallExpression = isSuperCallExpression; - function isPrologueDirective(node) { - return node.kind === 198 && node.expression.kind === 9; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 139 || node.kind === 138) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 42 && - text.charCodeAt(comment.pos + 3) !== 47; - } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isTypeNode(node) { - if (151 <= node.kind && node.kind <= 163) { - return true; - } - switch (node.kind) { - case 117: - case 128: - case 130: - case 120: - case 131: - return true; - case 103: - return node.parent.kind !== 180; - case 191: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - case 69: - if (node.parent.kind === 136 && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 169 && node.parent.name === node) { - node = node.parent; - } - ts.Debug.assert(node.kind === 69 || node.kind === 136 || node.kind === 169, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); - case 136: - case 169: - case 97: - var parent_1 = node.parent; - if (parent_1.kind === 155) { - return false; - } - if (151 <= parent_1.kind && parent_1.kind <= 163) { - return true; - } - switch (parent_1.kind) { - case 191: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); - case 138: - return node === parent_1.constraint; - case 142: - case 141: - case 139: - case 214: - return node === parent_1.type; - case 216: - case 176: - case 177: - case 145: - case 144: - case 143: - case 146: - case 147: - return node === parent_1.type; - case 148: - case 149: - case 150: - return node === parent_1.type; - case 174: - return node === parent_1.type; - case 171: - case 172: - return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; - case 173: - return false; - } - } - return false; - } - ts.isTypeNode = isTypeNode; - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 207: - return visitor(node); - case 223: - case 195: - case 199: - case 200: - case 201: - case 202: - case 203: - case 204: - case 208: - case 209: - case 244: - case 245: - case 210: - case 212: - case 247: - return ts.forEachChild(node, traverse); - } - } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 187: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 220: - case 218: - case 221: - case 219: - case 217: - case 189: - return; - default: - if (isFunctionLike(node)) { - var name_5 = node.name; - if (name_5 && name_5.kind === 137) { - traverse(name_5.expression); - return; - } - } - else if (!isTypeNode(node)) { - ts.forEachChild(node, traverse); - } - } - } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 166: - case 250: - case 139: - case 248: - case 142: - case 141: - case 249: - case 214: - return true; - } - } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 146 || node.kind === 147); - } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 217 || node.kind === 189); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 145: - case 176: - case 216: - case 177: - case 144: - case 143: - case 146: - case 147: - case 148: - case 149: - case 150: - case 153: - case 154: - return true; - } - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 176: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 202: - case 203: - case 204: - case 200: - case 201: - return true; - case 210: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 195 && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 144 && node.parent.kind === 168; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 137: - if (isClassLike(node.parent.parent)) { - return node; - } - node = node.parent; - break; - case 140: - if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - case 177: - if (!includeArrowFunctions) { - continue; - } - case 216: - case 176: - case 221: - case 142: - case 141: - case 144: - case 143: - case 145: - case 146: - case 147: - case 148: - case 149: - case 150: - case 220: - case 251: - return node; - } - } - } - ts.getThisContainer = getThisContainer; - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 137: - node = node.parent; - break; - case 216: - case 176: - case 177: - if (!stopOnFunctions) { - continue; - } - case 142: - case 141: - case 144: - case 143: - case 145: - case 146: - case 147: - return node; - case 140: - if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - } - } - } - ts.getSuperContainer = getSuperContainer; - function isSuperPropertyOrElementAccess(node) { - return (node.kind === 169 - || node.kind === 170) - && node.expression.kind === 95; - } - ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 152: - return node.typeName; - case 191: - return node.expression; - case 69: - case 136: - return node; - } - } - return undefined; - } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function getInvokedExpression(node) { - if (node.kind === 173) { - return node.tag; - } - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 217: - return true; - case 142: - return node.parent.kind === 217; - case 146: - case 147: - case 144: - return node.body !== undefined - && node.parent.kind === 217; - case 139: - return node.parent.body !== undefined - && (node.parent.kind === 145 - || node.parent.kind === 144 - || node.parent.kind === 147) - && node.parent.parent.kind === 217; - } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); - } - ts.nodeIsDecorated = nodeIsDecorated; - function isPropertyAccessExpression(node) { - return node.kind === 169; - } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 170; - } - ts.isElementAccessExpression = isElementAccessExpression; - function isExpression(node) { - switch (node.kind) { - case 95: - case 93: - case 99: - case 84: - case 10: - case 167: - case 168: - case 169: - case 170: - case 171: - case 172: - case 173: - case 192: - case 174: - case 175: - case 176: - case 189: - case 177: - case 180: - case 178: - case 179: - case 182: - case 183: - case 184: - case 185: - case 188: - case 186: - case 11: - case 190: - case 236: - case 237: - case 187: - case 181: - return true; - case 136: - while (node.parent.kind === 136) { - node = node.parent; - } - return node.parent.kind === 155; - case 69: - if (node.parent.kind === 155) { - return true; - } - case 8: - case 9: - case 97: - var parent_2 = node.parent; - switch (parent_2.kind) { - case 214: - case 139: - case 142: - case 141: - case 250: - case 248: - case 166: - return parent_2.initializer === node; - case 198: - case 199: - case 200: - case 201: - case 207: - case 208: - case 209: - case 244: - case 211: - case 209: - return parent_2.expression === node; - case 202: - var forStatement = parent_2; - return (forStatement.initializer === node && forStatement.initializer.kind !== 215) || - forStatement.condition === node || - forStatement.incrementor === node; - case 203: - case 204: - var forInStatement = parent_2; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215) || - forInStatement.expression === node; - case 174: - case 192: - return node === parent_2.expression; - case 193: - return node === parent_2.expression; - case 137: - return node === parent_2.expression; - case 140: - case 243: - case 242: - return true; - case 191: - return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - default: - if (isExpression(parent_2)) { - return true; - } - } - } - return false; - } - ts.isExpression = isExpression; - function isExternalModuleNameRelative(moduleName) { - return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; - } - ts.isExternalModuleNameRelative = isExternalModuleNameRelative; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 || - (preserveConstEnums && moduleState === 2); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 && node.moduleReference.kind === 235; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 && node.moduleReference.kind !== 235; - } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); - } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.parserContextFlags & 32); - } - ts.isInJavaScriptFile = isInJavaScriptFile; - function isRequireCall(expression, checkArgumentIsStringLiteral) { - var isRequire = expression.kind === 171 && - expression.expression.kind === 69 && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); - } - ts.isRequireCall = isRequireCall; - function getSpecialPropertyAssignmentKind(expression) { - if (expression.kind !== 184) { - return 0; - } - var expr = expression; - if (expr.operatorToken.kind !== 56 || expr.left.kind !== 169) { - return 0; - } - var lhs = expr.left; - if (lhs.expression.kind === 69) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - return 1; - } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - return 2; - } - } - else if (lhs.expression.kind === 97) { - return 4; - } - else if (lhs.expression.kind === 169) { - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 69 && innerPropertyAccess.name.text === "prototype") { - return 3; - } - } - return 0; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 225) { - return node.moduleSpecifier; - } - if (node.kind === 224) { - var reference = node.moduleReference; - if (reference.kind === 235) { - return reference.expression; - } - } - if (node.kind === 231) { - return node.moduleSpecifier; - } - if (node.kind === 221 && node.name.kind === 9) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 139: - case 144: - case 143: - case 249: - case 248: - case 142: - case 141: - return node.questionToken !== undefined; - } - } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 264 && - node.parameters.length > 0 && - node.parameters[0].type.kind === 266; - } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocComment = getJSDocComment(node, checkParentVariableStatement); - if (!jsDocComment) { - return undefined; - } - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === kind) { - return tag; - } - } - } - function getJSDocComment(node, checkParentVariableStatement) { - if (node.jsDocComment) { - return node.jsDocComment; - } - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 && - node.parent.initializer === node && - node.parent.parent.parent.kind === 196; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; - if (variableStatementNode) { - return variableStatementNode.jsDocComment; - } - var parent_3 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && - parent_3.kind === 184 && - parent_3.operatorToken.kind === 56 && - parent_3.parent.kind === 198; - if (isSourceOfAssignmentExpressionStatement) { - return parent_3.parent.jsDocComment; - } - var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248; - if (isPropertyAssignmentExpression) { - return parent_3.jsDocComment; - } - } - return undefined; - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 272, false); - } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 271, true); - } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 273, false); - } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 69) { - var parameterName = parameter.name.text; - var jsDocComment = getJSDocComment(parameter.parent, true); - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === 270) { - var parameterTag = tag; - var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; - if (name_6.text === parameterName) { - return parameterTag; - } - } - } - } - } - return undefined; - } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); - } - ts.hasRestParameter = hasRestParameter; - function isRestParameter(node) { - if (node) { - if (node.parserContextFlags & 32) { - if (node.type && node.type.kind === 265) { - return true; - } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 265; - } - } - return node.dotDotDotToken !== undefined; - } - return false; - } - ts.isRestParameter = isRestParameter; - function isLiteralKind(kind) { - return 8 <= kind && kind <= 11; - } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 || kind === 11; - } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isTemplateLiteralKind(kind) { - return 11 <= kind && kind <= 14; - } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isBindingPattern(node) { - return !!node && (node.kind === 165 || node.kind === 164); - } - ts.isBindingPattern = isBindingPattern; - function isNodeDescendentOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; - } - return false; - } - ts.isNodeDescendentOf = isNodeDescendentOf; - function isInAmbientContext(node) { - while (node) { - if (node.flags & (4 | 4096)) { - return true; - } - node = node.parent; - } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclaration(node) { - switch (node.kind) { - case 177: - case 166: - case 217: - case 189: - case 145: - case 220: - case 250: - case 233: - case 216: - case 176: - case 146: - case 226: - case 224: - case 229: - case 218: - case 144: - case 143: - case 221: - case 227: - case 139: - case 248: - case 142: - case 141: - case 147: - case 249: - case 219: - case 138: - case 214: - return true; - } - return false; - } - ts.isDeclaration = isDeclaration; - function isStatement(n) { - switch (n.kind) { - case 206: - case 205: - case 213: - case 200: - case 198: - case 197: - case 203: - case 204: - case 202: - case 199: - case 210: - case 207: - case 209: - case 211: - case 212: - case 196: - case 201: - case 208: - case 230: - return true; - default: - return false; - } - } - ts.isStatement = isStatement; - function isClassElement(n) { - switch (n.kind) { - case 145: - case 142: - case 144: - case 146: - case 147: - case 143: - case 150: - return true; - default: - return false; - } - } - ts.isClassElement = isClassElement; - function isDeclarationName(name) { - if (name.kind !== 69 && name.kind !== 9 && name.kind !== 8) { - return false; - } - var parent = name.parent; - if (parent.kind === 229 || parent.kind === 233) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 142: - case 141: - case 144: - case 143: - case 146: - case 147: - case 250: - case 248: - case 169: - return parent.name === node; - case 136: - if (parent.right === node) { - while (parent.kind === 136) { - parent = parent.parent; - } - return parent.kind === 155; - } - return false; - case 166: - case 229: - return parent.propertyName === node; - case 233: - return true; - } - return false; - } - ts.isIdentifierName = isIdentifierName; - function isAliasSymbolDeclaration(node) { - return node.kind === 224 || - node.kind === 226 && !!node.name || - node.kind === 227 || - node.kind === 229 || - node.kind === 233 || - node.kind === 230 && node.expression.kind === 69; - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; - } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 106); - return heritageClause ? heritageClause.types : undefined; - } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83); - return heritageClause ? heritageClause.types : undefined; - } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } - } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); - } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; - } - node = node.parent; - } - return undefined; - } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; - } - else { - var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - if (matchResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: matchResult[3] - }, - isNoDefaultLib: false - }; - } - else { - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; - } - } - } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 70 <= token && token <= 135; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 <= token && token <= 7; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && (node.flags & 256) !== 0 && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 || kind === 8; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 137 && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); - } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 69 || name.kind === 9 || name.kind === 8) { - return name.text; - } - if (name.kind === 137) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); - } - } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - function isESSymbolIdentifier(node) { - return node.kind === 69 && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isModifierKind(token) { - switch (token) { - case 115: - case 118: - case 74: - case 122: - case 77: - case 82: - case 112: - case 110: - case 111: - case 113: - return true; - } - return false; - } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 139; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 166) { - node = node.parent.parent; - } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(n) { - return isFunctionLike(n) || n.kind === 221 || n.kind === 251; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - function cloneNode(node, location, flags, parent) { - var clone = location !== undefined - ? ts.createNode(node.kind, location.pos, location.end) - : createSynthesizedNode(node.kind); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - if (flags !== undefined) { - clone.flags = flags; - } - if (parent !== undefined) { - clone.parent = parent; - } - return clone; - } - ts.cloneNode = cloneNode; - function cloneEntityName(node, parent) { - var clone = cloneNode(node, node, node.flags, parent); - if (isQualifiedName(clone)) { - var left = clone.left, right = clone.right; - clone.left = cloneEntityName(left, clone); - clone.right = cloneNode(right, right, right.flags, parent); - } - return clone; - } - ts.cloneEntityName = cloneEntityName; - function isQualifiedName(node) { - return node.kind === 136; - } - ts.isQualifiedName = isQualifiedName; - function nodeIsSynthesized(node) { - return node.pos === -1; - } - ts.nodeIsSynthesized = nodeIsSynthesized; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = ts.createNode(kind, -1, -1); - node.startsOnNewLine = startsOnNewLine; - return node; - } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray() { - var array = []; - array.pos = -1; - array.end = -1; - return array; - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = {}; - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; - } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; - } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; - } - } - else { - diagnostics = nonFileDiagnostics; - } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; - } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); - } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); - } - } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); - } - } - } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = { - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" - }; - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; - } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; - } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; - } - } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); - } - } - } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; - } - } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getEmitScriptTarget(compilerOptions) { - return compilerOptions.target || 0; - } - ts.getEmitScriptTarget = getEmitScriptTarget; - function getEmitModuleKind(compilerOptions) { - return typeof compilerOptions.module === "number" ? - compilerOptions.module : - getEmitScriptTarget(compilerOptions) === 2 ? 5 : 1; - } - ts.getEmitModuleKind = getEmitModuleKind; - function forEachExpectedEmitFile(host, action, targetSourceFile) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(host); - } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - if (!isDeclarationFile(sourceFile)) { - onSingleFileEmit(host, sourceFile); - } - } - } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined - }; - action(emitFileNames, [sourceFile], false); - } - function onBundledEmit(host) { - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - (!isExternalModule(sourceFile) || - (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) - }; - action(emitFileNames, bundledSources, true); - } - } - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function getDeclarationEmitFilePath(jsFilePath, options) { - return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); - return ts.combinePaths(newDirPath, sourceFilePath); - } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }); - } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; - } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; - } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 145 && nodeIsPresent(member.body)) { - return member; - } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 146) { - getAccessor = accessor; - } - else if (accessor.kind === 147) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } - } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 146 || member.kind === 147) - && (member.flags & 64) === (accessor.flags & 64)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 146 && !getAccessor) { - getAccessor = member; - } - if (member.kind === 147 && !setAccessor) { - setAccessor = member; - } - } - } - }); - } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; - } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); - } - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { - var emitLeadingSpace = !trailingSeparator; - ts.forEach(comments, function (comment) { - if (emitLeadingSpace) { - writer.write(" "); - emitLeadingSpace = false; - } - writeComment(text, lineMap, writer, comment, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); - } - else if (trailingSeparator) { - writer.write(" "); - } - else { - emitLeadingSpace = true; - } - }); - } - ts.emitComments = emitComments; - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); - } - } - else { - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - break; - } - } - detachedComments.push(comment); - lastComment = comment; - } - if (detachedComments.length) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } - } - } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 33; - } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, comment, newLine) { - if (text.charCodeAt(comment.pos + 1) === 42) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== comment.pos) { - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); - } - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - writer.rawWrite(indentSizeSpaceString); - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - writer.rawWrite(""); - } - } - writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); - pos = nextLineStart; - } - } - else { - writer.write(text.substring(comment.pos, comment.end)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { - var end = Math.min(comment.end, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - writer.write(currentLineText); - if (end !== comment.end) { - writer.writeLine(); - } - } - else { - writer.writeLiteral(newLine); - } - } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9) { - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); - } - else { - currentLineIndent++; - } - } - return currentLineIndent; - } - function modifierToFlag(token) { - switch (token) { - case 113: return 64; - case 112: return 8; - case 111: return 32; - case 110: return 16; - case 115: return 128; - case 82: return 2; - case 122: return 4; - case 74: return 16384; - case 77: return 512; - case 118: return 256; - } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLeftHandSideExpression(expr) { - if (expr) { - switch (expr.kind) { - case 169: - case 170: - case 172: - case 171: - case 236: - case 237: - case 173: - case 167: - case 175: - case 168: - case 189: - case 176: - case 69: - case 10: - case 8: - case 9: - case 11: - case 186: - case 84: - case 93: - case 97: - case 99: - case 95: - return true; - } - } - return false; - } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isAssignmentOperator(token) { - return token >= 56 && token <= 68; - } - ts.isAssignmentOperator = isAssignmentOperator; - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return node.kind === 191 && - node.parent.token === 83 && - isClassLike(node.parent.parent); - } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 69) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - else { - return false; - } - } - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 136 && node.parent.right === node) || - (node.parent.kind === 169 && node.parent.name === node); - } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 168) { - return expression.properties.length === 0; - } - if (kind === 167) { - return expression.elements.length === 0; - } - return false; - } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function hasJavaScriptFileExtension(fileName) { - return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); - } - ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - if (charCode < 0x80) { - output.push(charCode); - } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else { - ts.Debug.assert(false, "Unexpected code point"); - } - } - return output; - } - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - function stringifyFallback(value) { - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; - } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; - } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); - } - function stringifyObject(value) { - return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; - } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); - } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - if (i + 1 >= length) { - byte3 = byte4 = 64; - } - else if (i + 2 >= length) { - byte4 = 64; - } - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; - } - return result; - } - ts.convertToBase64 = convertToBase64; - function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { - return !ts.isRootedDiskPath(absoluteOrRelativePath) - ? absoluteOrRelativePath - : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, false); - } - ts.convertToRelativePath = convertToRelativePath; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0) { - return carriageReturnLineFeed; - } - else if (options.newLine === 1) { - return lineFeed; - } - else if (ts.sys) { - return ts.sys.newLine; - } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDefaultLibFileName(options) { - return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts"; - } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); - } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; - } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; - } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; - } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; - } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); - } - return undefined; - } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); - } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); - } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; - } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); - } - return { span: span, newLength: newLength }; - } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; - } - if (changes.length === 1) { - return changes[0]; - } - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); - } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 138) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218) { - return current; - } - } - } - } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return node.flags & 56 && node.parent.kind === 145 && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.parseTime = 0; - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 251) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); - } - } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); - } - } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); - } - } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } - } - } - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; - } - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 136: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 138: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 249: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 139: - case 142: - case 141: - case 248: - case 214: - case 166: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 153: - case 154: - case 148: - case 149: - case 150: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 144: - case 143: - case 145: - case 146: - case 147: - case 176: - case 216: - case 177: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 152: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 151: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 155: - return visitNode(cbNode, node.exprName); - case 156: - return visitNodes(cbNodes, node.members); - case 157: - return visitNode(cbNode, node.elementType); - case 158: - return visitNodes(cbNodes, node.elementTypes); - case 159: - case 160: - return visitNodes(cbNodes, node.types); - case 161: - return visitNode(cbNode, node.type); - case 164: - case 165: - return visitNodes(cbNodes, node.elements); - case 167: - return visitNodes(cbNodes, node.elements); - case 168: - return visitNodes(cbNodes, node.properties); - case 169: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.dotToken) || - visitNode(cbNode, node.name); - case 170: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 171: - case 172: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 173: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 174: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 175: - return visitNode(cbNode, node.expression); - case 178: - return visitNode(cbNode, node.expression); - case 179: - return visitNode(cbNode, node.expression); - case 180: - return visitNode(cbNode, node.expression); - case 182: - return visitNode(cbNode, node.operand); - case 187: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 181: - return visitNode(cbNode, node.expression); - case 183: - return visitNode(cbNode, node.operand); - case 184: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 192: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 185: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 188: - return visitNode(cbNode, node.expression); - case 195: - case 222: - return visitNodes(cbNodes, node.statements); - case 251: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 196: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 215: - return visitNodes(cbNodes, node.declarations); - case 198: - return visitNode(cbNode, node.expression); - case 199: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 200: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 201: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 202: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 203: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 204: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 205: - case 206: - return visitNode(cbNode, node.label); - case 207: - return visitNode(cbNode, node.expression); - case 208: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 223: - return visitNodes(cbNodes, node.clauses); - case 244: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 245: - return visitNodes(cbNodes, node.statements); - case 210: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 211: - return visitNode(cbNode, node.expression); - case 212: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 247: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 140: - return visitNode(cbNode, node.expression); - case 217: - case 189: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 218: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 219: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 220: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 250: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 221: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 224: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 225: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 226: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 227: - return visitNode(cbNode, node.name); - case 228: - case 232: - return visitNodes(cbNodes, node.elements); - case 231: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 229: - case 233: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 230: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 186: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 193: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 137: - return visitNode(cbNode, node.expression); - case 246: - return visitNodes(cbNodes, node.types); - case 191: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 235: - return visitNode(cbNode, node.expression); - case 234: - return visitNodes(cbNodes, node.decorators); - case 236: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 237: - case 238: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 241: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 242: - return visitNode(cbNode, node.expression); - case 243: - return visitNode(cbNode, node.expression); - case 240: - return visitNode(cbNode, node.tagName); - case 252: - return visitNode(cbNode, node.type); - case 256: - return visitNodes(cbNodes, node.types); - case 257: - return visitNodes(cbNodes, node.types); - case 255: - return visitNode(cbNode, node.elementType); - case 259: - return visitNode(cbNode, node.type); - case 258: - return visitNode(cbNode, node.type); - case 260: - return visitNodes(cbNodes, node.members); - case 262: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 263: - return visitNode(cbNode, node.type); - case 264: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 265: - return visitNode(cbNode, node.type); - case 266: - return visitNode(cbNode, node.type); - case 267: - return visitNode(cbNode, node.type); - case 261: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 268: - return visitNodes(cbNodes, node.tags); - case 270: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 271: - return visitNode(cbNode, node.typeExpression); - case 272: - return visitNode(cbNode, node.typeExpression); - case 273: - return visitNodes(cbNodes, node.typeParameters); - } - } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { - if (setParentNodes === void 0) { setParentNodes = false; } - var start = new Date().getTime(); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes); - ts.parseTime += new Date().getTime() - start; - return result; - } - ts.createSourceFile = createSourceFile; - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - } - ts.updateSourceFile = updateSourceFile; - function parseIsolatedJSDocComment(content, start, length) { - return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); - } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - var Parser; - (function (Parser) { - var scanner = ts.createScanner(2, true); - var disallowInAndDecoratorContext = 1 | 4; - var NodeConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var token; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - var contextFlags; - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { - var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; - initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); - clearState(); - return result; - } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(fileName) { - return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 : 0; - } - function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = {}; - identifierCount = 0; - nodeCount = 0; - contextFlags = isJavaScriptFile ? 32 : 0; - parseErrorBeforeNextFinishedNode = false; - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(fileName)); - } - function clearState() { - scanner.setText(""); - scanner.setOnError(undefined); - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { - sourceFile = createSourceFile(fileName, languageVersion); - if (contextFlags & 32) { - sourceFile.parserContextFlags = 32; - } - token = nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0, parseStatement); - ts.Debug.assert(token === 1); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - if (contextFlags & 32) { - var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); - if (comments) { - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (jsDocComment) { - node.jsDocComment = jsDocComment; - } - } - } - } - return node; - } - function fixupParentReferences(sourceFile) { - var parent = sourceFile; - forEachChild(sourceFile, visitNode); - return; - function visitNode(n) { - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - parent = saveParent; - } - } - } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion) { - var sourceFile = new SourceFileConstructor(251, 0, sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 : 0; - sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); - return sourceFile; - } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } - } - function setDisallowInContext(val) { - setContextFlag(val, 1); - } - function setYieldContext(val) { - setContextFlag(val, 2); - } - function setDecoratorContext(val) { - setContextFlag(val, 4); - } - function setAwaitContext(val) { - setContextFlag(val, 8); - } - function doOutsideOfContext(context, func) { - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - setContextFlag(false, contextFlagsToClear); - var result = func(); - setContextFlag(true, contextFlagsToClear); - return result; - } - return func(); - } - function doInsideOfContext(context, func) { - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - setContextFlag(true, contextFlagsToSet); - var result = func(); - setContextFlag(false, contextFlagsToSet); - return result; - } - return func(); - } - function allowInAnd(func) { - return doOutsideOfContext(1, func); - } - function disallowInAnd(func) { - return doInsideOfContext(1, func); - } - function doInYieldContext(func) { - return doInsideOfContext(2, func); - } - function doInDecoratorContext(func) { - return doInsideOfContext(4, func); - } - function doInAwaitContext(func) { - return doInsideOfContext(8, func); - } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(8, func); - } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(2 | 8, func); - } - function inContext(flags) { - return (contextFlags & flags) !== 0; - } - function inYieldContext() { - return inContext(2); - } - function inDisallowInContext() { - return inContext(1); - } - function inDecoratorContext() { - return inContext(4); - } - function inAwaitContext() { - return inContext(8); - } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); - } - function parseErrorAtPosition(start, length, message, arg0) { - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - parseErrorBeforeNextFinishedNode = true; - } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); - } - function getNodePos() { - return scanner.getStartPos(); - } - function getNodeEnd() { - return scanner.getStartPos(); - } - function nextToken() { - return token = scanner.scan(); - } - function reScanGreaterToken() { - return token = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return token = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return token = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return token = scanner.scanJsxIdentifier(); - } - function scanJsxText() { - return token = scanner.scanJsxToken(); - } - function speculationHelper(callback, isLookAhead) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var saveContextFlags = contextFlags; - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - if (!result || isLookAhead) { - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, true); - } - function tryParse(callback) { - return speculationHelper(callback, false); - } - function isIdentifier() { - if (token === 69) { - return true; - } - if (token === 114 && inYieldContext()) { - return false; - } - if (token === 119 && inAwaitContext()) { - return false; - } - return token > 105; - } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; - } - function parseOptional(t) { - if (token === t) { - nextToken(); - return true; - } - return false; - } - function parseOptionalToken(t) { - if (token === t) { - return parseTokenNode(); - } - return undefined; - } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); - } - function parseTokenNode() { - var node = createNode(token); - nextToken(); - return finishNode(node); - } - function canParseSemicolon() { - if (token === 23) { - return true; - } - return token === 16 || token === 1 || scanner.hasPrecedingLineBreak(); - } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token === 23) { - nextToken(); - } - return true; - } - else { - return parseExpected(23); - } - } - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return new NodeConstructor(kind, pos, pos); - } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.parserContextFlags = contextFlags; - } - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.parserContextFlags |= 16; - } - return node; - } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); - } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); - } - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(69); - if (token !== 69) { - node.originalKeywordKind = token; - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(69, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); - } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); - } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); - } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token) || - token === 9 || - token === 8; - } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token === 9 || token === 8) { - return parseLiteralNode(true); - } - if (allowComputedPropertyNames && token === 19) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); - } - function parsePropertyName() { - return parsePropertyNameWorker(true); - } - function parseSimplePropertyName() { - return parsePropertyNameWorker(false); - } - function isSimplePropertyName() { - return token === 9 || token === 8 || ts.tokenIsIdentifierOrKeyword(token); - } - function parseComputedPropertyName() { - var node = createNode(137); - parseExpected(19); - node.expression = allowInAnd(parseExpression); - parseExpected(20); - return finishNode(node); - } - function parseContextualModifier(t) { - return token === t && tryParse(nextTokenCanFollowModifier); - } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); - } - function nextTokenCanFollowModifier() { - if (token === 74) { - return nextToken() === 81; - } - if (token === 82) { - nextToken(); - if (token === 77) { - return lookAhead(nextTokenIsClassOrFunction); - } - return token !== 37 && token !== 15 && canFollowModifier(); - } - if (token === 77) { - return nextTokenIsClassOrFunction(); - } - if (token === 113) { - nextToken(); - return canFollowModifier(); - } - return nextTokenIsOnSameLineAndCanFollowModifier(); - } - function parseAnyContextualModifier() { - return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); - } - function canFollowModifier() { - return token === 19 - || token === 15 - || token === 37 - || isLiteralPropertyName(); - } - function nextTokenIsClassOrFunction() { - nextToken(); - return token === 73 || token === 87; - } - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0: - case 1: - case 3: - return !(token === 23 && inErrorRecovery) && isStartOfStatement(); - case 2: - return token === 71 || token === 77; - case 4: - return isStartOfTypeMember(); - case 5: - return lookAhead(isClassMemberStart) || (token === 23 && !inErrorRecovery); - case 6: - return token === 19 || isLiteralPropertyName(); - case 12: - return token === 19 || token === 37 || isLiteralPropertyName(); - case 9: - return token === 19 || isLiteralPropertyName(); - case 7: - if (token === 15) { - return lookAhead(isValidHeritageClauseObjectLiteral); - } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - else { - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - case 8: - return isIdentifierOrPattern(); - case 10: - return token === 24 || token === 22 || isIdentifierOrPattern(); - case 17: - return isIdentifier(); - case 11: - case 15: - return token === 24 || token === 22 || isStartOfExpression(); - case 16: - return isStartOfParameter(); - case 18: - case 19: - return token === 24 || isStartOfType(); - case 20: - return isHeritageClause(); - case 21: - return ts.tokenIsIdentifierOrKeyword(token); - case 13: - return ts.tokenIsIdentifierOrKeyword(token) || token === 15; - case 14: - return true; - case 22: - case 23: - case 25: - return JSDocParser.isJSDocType(); - case 24: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token === 15); - if (nextToken() === 16) { - var next = nextToken(); - return next === 24 || next === 15 || next === 83 || next === 106; - } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token); - } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token === 106 || - token === 83) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; - } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); - } - function isListTerminator(kind) { - if (token === 1) { - return true; - } - switch (kind) { - case 1: - case 2: - case 4: - case 5: - case 6: - case 12: - case 9: - case 21: - return token === 16; - case 3: - return token === 16 || token === 71 || token === 77; - case 7: - return token === 15 || token === 83 || token === 106; - case 8: - return isVariableDeclaratorListTerminator(); - case 17: - return token === 27 || token === 17 || token === 15 || token === 83 || token === 106; - case 11: - return token === 18 || token === 23; - case 15: - case 19: - case 10: - return token === 20; - case 16: - return token === 18 || token === 20; - case 18: - return token === 27 || token === 17; - case 20: - return token === 15 || token === 16; - case 13: - return token === 27 || token === 39; - case 14: - return token === 25 && lookAhead(nextTokenIsSlash); - case 22: - return token === 18 || token === 54 || token === 16; - case 23: - return token === 27 || token === 16; - case 25: - return token === 20 || token === 16; - case 24: - return token === 16; - } - } - function isVariableDeclaratorListTerminator() { - if (canParseSemicolon()) { - return true; - } - if (isInOrOfKeyword(token)) { - return true; - } - if (token === 34) { - return true; - } - return false; - } - function isInSomeParsingContext() { - for (var kind = 0; kind < 26; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, true) || isListTerminator(kind)) { - return true; - } - } - } - return false; - } - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - while (!isListTerminator(kind)) { - if (isListElement(kind, false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); - } - function currentNode(parsingContext) { - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - if (ts.nodeIsMissing(node)) { - return undefined; - } - if (node.intersectsChange) { - return undefined; - } - if (ts.containsParseError(node)) { - return undefined; - } - var nodeContextFlags = node.parserContextFlags & 31; - if (nodeContextFlags !== contextFlags) { - return undefined; - } - if (!canReuseNode(node, parsingContext)) { - return undefined; - } - return node; - } - function consumeNode(node) { - scanner.setTextPos(node.end); - nextToken(); - return node; - } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5: - return isReusableClassMember(node); - case 2: - return isReusableSwitchClause(node); - case 0: - case 1: - case 3: - return isReusableStatement(node); - case 6: - return isReusableEnumMember(node); - case 4: - return isReusableTypeMember(node); - case 8: - return isReusableVariableDeclaration(node); - case 16: - return isReusableParameter(node); - case 20: - case 17: - case 19: - case 18: - case 11: - case 12: - case 7: - case 13: - case 14: - } - return false; - } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 145: - case 150: - case 146: - case 147: - case 142: - case 194: - return true; - case 144: - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 69 && - methodDeclaration.name.originalKeywordKind === 121; - return !nameIsConstructor; - } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 244: - case 245: - return true; - } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 216: - case 196: - case 195: - case 199: - case 198: - case 211: - case 207: - case 209: - case 206: - case 205: - case 203: - case 204: - case 202: - case 201: - case 208: - case 197: - case 212: - case 210: - case 200: - case 213: - case 225: - case 224: - case 231: - case 230: - case 221: - case 217: - case 218: - case 220: - case 219: - return true; - } - } - return false; - } - function isReusableEnumMember(node) { - return node.kind === 250; - } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 149: - case 143: - case 150: - case 141: - case 148: - return true; - } - } - return false; - } - function isReusableVariableDeclaration(node) { - if (node.kind !== 214) { - return false; - } - var variableDeclarator = node; - return variableDeclarator.initializer === undefined; - } - function isReusableParameter(node) { - if (node.kind !== 139) { - return false; - } - var parameter = node; - return parameter.initializer === undefined; - } - function abortParsingListOrMoveToNextToken(kind) { - parseErrorAtCurrentToken(parsingContextErrors(kind)); - if (isInSomeParsingContext()) { - return true; - } - nextToken(); - return false; - } - function parsingContextErrors(context) { - switch (context) { - case 0: return ts.Diagnostics.Declaration_or_statement_expected; - case 1: return ts.Diagnostics.Declaration_or_statement_expected; - case 2: return ts.Diagnostics.case_or_default_expected; - case 3: return ts.Diagnostics.Statement_expected; - case 4: return ts.Diagnostics.Property_or_signature_expected; - case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; - case 6: return ts.Diagnostics.Enum_member_expected; - case 7: return ts.Diagnostics.Expression_expected; - case 8: return ts.Diagnostics.Variable_declaration_expected; - case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; - case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; - case 11: return ts.Diagnostics.Argument_expression_expected; - case 12: return ts.Diagnostics.Property_assignment_expected; - case 15: return ts.Diagnostics.Expression_or_comma_expected; - case 16: return ts.Diagnostics.Parameter_declaration_expected; - case 17: return ts.Diagnostics.Type_parameter_declaration_expected; - case 18: return ts.Diagnostics.Type_argument_expected; - case 19: return ts.Diagnostics.Type_expected; - case 20: return ts.Diagnostics.Unexpected_token_expected; - case 21: return ts.Diagnostics.Identifier_expected; - case 13: return ts.Diagnostics.Identifier_expected; - case 14: return ts.Diagnostics.Identifier_expected; - case 22: return ts.Diagnostics.Parameter_declaration_expected; - case 23: return ts.Diagnostics.Type_argument_expected; - case 25: return ts.Diagnostics.Type_expected; - case 24: return ts.Diagnostics.Property_assignment_expected; - } - } - ; - function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimeter) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - var commaStart = -1; - while (true) { - if (isListElement(kind, false)) { - result.push(parseListElement(kind, parseElement)); - commaStart = scanner.getTokenPos(); - if (parseOptional(24)) { - continue; - } - commaStart = -1; - if (isListTerminator(kind)) { - break; - } - parseExpected(24); - if (considerSemicolonAsDelimeter && token === 23 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - } - continue; - } - if (isListTerminator(kind)) { - break; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - if (commaStart >= 0) { - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - var pos = getNodePos(); - var result = []; - result.pos = pos; - result.end = pos; - return result; - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; - } - return createMissingList(); - } - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(21)) { - var node = createNode(136, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; - } - function parseRightSideOfDot(allowIdentifierNames) { - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - return createMissingNode(69, true, ts.Diagnostics.Identifier_expected); - } - } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(186); - template.head = parseTemplateLiteralFragment(); - ts.Debug.assert(template.head.kind === 12, "Template head has wrong token kind"); - var templateSpans = []; - templateSpans.pos = getNodePos(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 13); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(193); - span.expression = allowInAnd(parseExpression); - var literal; - if (token === 16) { - reScanTemplateToken(); - literal = parseTemplateLiteralFragment(); - } - else { - literal = parseExpectedToken(14, false, ts.Diagnostics._0_expected, ts.tokenToString(16)); - } - span.literal = literal; - return finishNode(span); - } - function parseStringLiteralTypeNode() { - return parseLiteralLikeNode(163, true); - } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token, internName); - } - function parseTemplateLiteralFragment() { - return parseLiteralLikeNode(token, false); - } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - if (node.kind === 8 - && sourceText.charCodeAt(tokenPos) === 48 - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.flags |= 32768; - } - return node; - } - function parseTypeReference() { - var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); - var node = createNode(152, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token === 25) { - node.typeArguments = parseBracketedList(18, parseType, 25, 27); - } - return finishNode(node); - } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(151, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); - } - function parseThisTypeNode() { - var node = createNode(162); - nextToken(); - return finishNode(node); - } - function parseTypeQuery() { - var node = createNode(155); - parseExpected(101); - node.exprName = parseEntityName(true); - return finishNode(node); - } - function parseTypeParameter() { - var node = createNode(138); - node.name = parseIdentifier(); - if (parseOptional(83)) { - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); - } - function parseTypeParameters() { - if (token === 25) { - return parseBracketedList(17, parseTypeParameter, 25, 27); - } - } - function parseParameterType() { - if (parseOptional(54)) { - return parseType(); - } - return undefined; - } - function isStartOfParameter() { - return token === 22 || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55; - } - function setModifiers(node, modifiers) { - if (modifiers) { - node.flags |= modifiers.flags; - node.modifiers = modifiers; - } - } - function parseParameter() { - var node = createNode(139); - node.decorators = parseDecorators(); - setModifiers(node, parseModifiers()); - node.dotDotDotToken = parseOptionalToken(22); - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { - nextToken(); - } - node.questionToken = parseOptionalToken(53); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(true); - return addJSDocComment(finishNode(node)); - } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); - } - function parseParameterInitializer() { - return parseInitializer(true); - } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 34; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } - } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - if (parseExpected(17)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(18) && requireCompleteParameterList) { - return undefined; - } - return result; - } - return requireCompleteParameterList ? undefined : createMissingList(); - } - function parseTypeMemberSemicolon() { - if (parseOptional(24)) { - return; - } - parseSemicolon(); - } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 149) { - parseExpected(92); - } - fillSignature(54, false, false, false, node); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function isIndexSignature() { - if (token !== 19) { - return false; - } - return lookAhead(isUnambiguouslyIndexSignature); - } - function isUnambiguouslyIndexSignature() { - nextToken(); - if (token === 22 || token === 20) { - return true; - } - if (ts.isModifierKind(token)) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - nextToken(); - } - if (token === 54 || token === 24) { - return true; - } - if (token !== 53) { - return false; - } - nextToken(); - return token === 54 || token === 24 || token === 20; - } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(150, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.parameters = parseBracketedList(16, parseParameter, 19, 20); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function parsePropertyOrMethodSignature() { - var fullStart = scanner.getStartPos(); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (token === 17 || token === 25) { - var method = createNode(143, fullStart); - method.name = name; - method.questionToken = questionToken; - fillSignature(54, false, false, false, method); - parseTypeMemberSemicolon(); - return finishNode(method); - } - else { - var property = createNode(141, fullStart); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token === 56) { - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return finishNode(property); - } - } - function isStartOfTypeMember() { - switch (token) { - case 17: - case 25: - case 19: - return true; - default: - if (ts.isModifierKind(token)) { - var result = lookAhead(isStartOfIndexSignatureDeclaration); - if (result) { - return result; - } - } - return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); - } - } - function isStartOfIndexSignatureDeclaration() { - while (ts.isModifierKind(token)) { - nextToken(); - } - return isIndexSignature(); - } - function isTypeMemberWithLiteralPropertyName() { - nextToken(); - return token === 17 || - token === 25 || - token === 53 || - token === 54 || - canParseSemicolon(); - } - function parseTypeMember() { - switch (token) { - case 17: - case 25: - return parseSignatureMember(148); - case 19: - return isIndexSignature() - ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined, undefined) - : parsePropertyOrMethodSignature(); - case 92: - if (lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(149); - } - case 9: - case 8: - return parsePropertyOrMethodSignature(); - default: - if (ts.isModifierKind(token)) { - var result = tryParse(parseIndexSignatureWithModifiers); - if (result) { - return result; - } - } - if (ts.tokenIsIdentifierOrKeyword(token)) { - return parsePropertyOrMethodSignature(); - } - } - } - function parseIndexSignatureWithModifiers() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - return isIndexSignature() - ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) - : undefined; - } - function isStartOfConstructSignature() { - nextToken(); - return token === 17 || token === 25; - } - function parseTypeLiteral() { - var node = createNode(156); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(15)) { - members = parseList(4, parseTypeMember); - parseExpected(16); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(158); - node.elementTypes = parseBracketedList(19, parseType, 19, 20); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(161); - parseExpected(17); - node.type = parseType(); - parseExpected(18); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 154) { - parseExpected(92); - } - fillSignature(34, false, false, false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token === 21 ? undefined : node; - } - function parseNonArrayType() { - switch (token) { - case 117: - case 130: - case 128: - case 120: - case 131: - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9: - return parseStringLiteralTypeNode(); - case 103: - return parseTokenNode(); - case 97: { - var thisKeyword = parseThisTypeNode(); - if (token === 124 && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 101: - return parseTypeQuery(); - case 15: - return parseTypeLiteral(); - case 19: - return parseTupleType(); - case 17: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 97: - case 101: - case 15: - case 19: - case 25: - case 92: - case 9: - return true; - case 17: - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token === 18 || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(19)) { - parseExpected(20); - var node = createNode(157, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token === operator) { - var types = [type]; - types.pos = type.pos; - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(160, parseArrayTypeOrHigher, 46); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(159, parseIntersectionTypeOrHigher, 47); - } - function isStartOfFunctionType() { - if (token === 25) { - return true; - } - return token === 17 && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token === 18 || token === 22) { - return true; - } - if (isIdentifier() || ts.isModifierKind(token)) { - nextToken(); - if (token === 54 || token === 24 || - token === 53 || token === 56 || - isIdentifier() || ts.isModifierKind(token)) { - return true; - } - if (token === 18) { - nextToken(); - if (token === 34) { - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(151, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token === 124 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - return doOutsideOfContext(10, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(153); - } - if (token === 92) { - return parseFunctionOrConstructorType(154); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(54) ? parseType() : undefined; - } - function isStartOfLeftHandSideExpression() { - switch (token) { - case 97: - case 95: - case 93: - case 99: - case 84: - case 8: - case 9: - case 11: - case 12: - case 17: - case 19: - case 15: - case 87: - case 73: - case 92: - case 39: - case 61: - case 69: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token) { - case 35: - case 36: - case 50: - case 49: - case 78: - case 101: - case 103: - case 41: - case 42: - case 25: - case 119: - case 114: - return true; - default: - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - return token !== 15 && - token !== 87 && - token !== 73 && - token !== 55 && - isStartOfExpression(); - } - function parseExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(24))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token !== 56) { - if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15) || !isStartOfExpression()) { - return undefined; - } - } - parseExpected(56); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - if (isYieldExpression()) { - return parseYieldExpression(); - } - var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - var expr = parseBinaryExpressionOrHigher(0); - if (expr.kind === 69 && token === 34) { - return parseSimpleArrowFunctionExpression(expr); - } - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token === 114) { - if (inYieldContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; - } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); - } - function parseYieldExpression() { - var node = createNode(187); - nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token === 37 || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(37); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier) { - ts.Debug.assert(token === 34, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node = createNode(177, identifier.pos); - var parameter = createNode(139, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = [parameter]; - node.parameters.pos = parameter.pos; - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(false); - return finishNode(node); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0) { - return undefined; - } - var arrowFunction = triState === 1 - ? parseParenthesizedArrowFunctionExpressionHead(true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - return undefined; - } - var isAsync = !!(arrowFunction.flags & 256); - var lastToken = token; - arrowFunction.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 34 || lastToken === 15) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return finishNode(arrowFunction); - } - function isParenthesizedArrowFunctionExpression() { - if (token === 17 || token === 25 || token === 118) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token === 34) { - return 1; - } - return 0; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token === 118) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0; - } - if (token !== 17 && token !== 25) { - return 0; - } - } - var first = token; - var second = nextToken(); - if (first === 17) { - if (second === 18) { - var third = nextToken(); - switch (third) { - case 34: - case 54: - case 15: - return 1; - default: - return 0; - } - } - if (second === 19 || second === 15) { - return 2; - } - if (second === 22) { - return 1; - } - if (!isIdentifier()) { - return 0; - } - if (nextToken() === 54) { - return 1; - } - return 2; - } - else { - ts.Debug.assert(first === 25); - if (!isIdentifier()) { - return 0; - } - if (sourceFile.languageVariant === 1) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 83) { - var fourth = nextToken(); - switch (fourth) { - case 56: - case 27: - return false; - default: - return true; - } - } - else if (third === 24) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1; - } - return 0; - } - return 2; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(false); - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(177); - setModifiers(node, parseModifiersForArrowFunction()); - var isAsync = !!(node.flags & 256); - fillSignature(54, false, isAsync, !allowAmbiguity, node); - if (!node.parameters) { - return undefined; - } - if (!allowAmbiguity && token !== 34 && token !== 15) { - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token === 15) { - return parseFunctionBlock(false, isAsync, false); - } - if (token !== 23 && - token !== 87 && - token !== 73 && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - return parseFunctionBlock(false, isAsync, true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - var questionToken = parseOptionalToken(53); - if (!questionToken) { - return leftOperand; - } - var node = createNode(185, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(54, false, ts.Diagnostics._0_expected, ts.tokenToString(54)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 90 || t === 135; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - var consumeCurrentOperator = token === 38 ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token === 90 && inDisallowInContext()) { - break; - } - if (token === 116) { - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token === 90) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token) { - case 52: - return 1; - case 51: - return 2; - case 47: - return 3; - case 48: - return 4; - case 46: - return 5; - case 30: - case 31: - case 32: - case 33: - return 6; - case 25: - case 27: - case 28: - case 29: - case 91: - case 90: - case 116: - return 7; - case 43: - case 44: - case 45: - return 8; - case 35: - case 36: - return 9; - case 37: - case 39: - case 40: - return 10; - case 38: - return 11; - } - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(184, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(192, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(182); - node.operator = token; - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(178); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(179); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(180); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token === 119) { - if (inAwaitContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(181); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseUnaryExpressionOrHigher() { - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - if (isIncrementExpression()) { - var incrementExpression = parseIncrementExpression(); - return token === 38 ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token; - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token === 38) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 174) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - function parseSimpleUnaryExpression() { - switch (token) { - case 35: - case 36: - case 50: - case 49: - return parsePrefixUnaryExpression(); - case 78: - return parseDeleteExpression(); - case 101: - return parseTypeOfExpression(); - case 103: - return parseVoidExpression(); - case 25: - return parseTypeAssertion(); - default: - return parseIncrementExpression(); - } - } - function isIncrementExpression() { - switch (token) { - case 35: - case 36: - case 50: - case 49: - case 78: - case 101: - case 103: - return false; - case 25: - if (sourceFile.languageVariant !== 1) { - return false; - } - default: - return true; - } - } - function parseIncrementExpression() { - if (token === 41 || token === 42) { - var node = createNode(182); - node.operator = token; - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 && token === 25 && lookAhead(nextTokenIsIdentifierOrKeyword)) { - return parseJsxElementOrSelfClosingElement(true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token === 41 || token === 42) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(183, expression.pos); - node.operand = expression; - node.operator = token; - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - var expression = token === 95 - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token === 17 || token === 21 || token === 19) { - return expression; - } - var node = createNode(169, expression.pos); - node.expression = expression; - node.dotToken = parseExpectedToken(21, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 69) { - return lhs.text === rhs.text; - } - return lhs.right.text === rhs.right.text && - tagNamesAreEquivalent(lhs.left, rhs.left); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 238) { - var node = createNode(236, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 237); - result = opening; - } - if (inExpressionContext && token === 25) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(184, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(24, false, undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(239, scanner.getStartPos()); - token = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token) { - case 239: - return parseJsxText(); - case 15: - return parseJsxExpression(false); - case 25: - return parseJsxElementOrSelfClosingElement(false); - } - ts.Debug.fail("Unknown JSX child kind " + token); - } - function parseJsxChildren(openingTagName) { - var result = []; - result.pos = scanner.getStartPos(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14; - while (true) { - token = scanner.reScanJsxToken(); - if (token === 26) { - break; - } - else if (token === 1) { - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(25); - var tagName = parseJsxElementName(); - var attributes = parseList(13, parseJsxAttribute); - var node; - if (token === 27) { - node = createNode(238, fullStart); - scanJsxText(); - } - else { - parseExpected(39); - if (inExpressionContext) { - parseExpected(27); - } - else { - parseExpected(27, undefined, false); - scanJsxText(); - } - node = createNode(237, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var elementName = parseIdentifierName(); - while (parseOptional(21)) { - scanJsxIdentifier(); - var node = createNode(136, elementName.pos); - node.left = elementName; - node.right = parseIdentifierName(); - elementName = finishNode(node); - } - return elementName; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(243); - parseExpected(15); - if (token !== 16) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(16); - } - else { - parseExpected(16, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token === 15) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(241); - node.name = parseIdentifierName(); - if (parseOptional(56)) { - switch (token) { - case 9: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(242); - parseExpected(15); - parseExpected(22); - node.expression = parseExpression(); - parseExpected(16); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(240); - parseExpected(26); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(27); - } - else { - parseExpected(27, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(174); - parseExpected(25); - node.type = parseType(); - parseExpected(27); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(21); - if (dotToken) { - var propertyAccess = createNode(169, expression.pos); - propertyAccess.expression = expression; - propertyAccess.dotToken = dotToken; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - continue; - } - if (!inDecoratorContext() && parseOptional(19)) { - var indexedAccess = createNode(170, expression.pos); - indexedAccess.expression = expression; - if (token !== 20) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(20); - expression = finishNode(indexedAccess); - continue; - } - if (token === 11 || token === 12) { - var tagExpression = createNode(173, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token === 11 - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token === 25) { - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(171, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token === 17) { - var callExpr = createNode(171, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(17); - var result = parseDelimitedList(11, parseArgumentExpression); - parseExpected(18); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(25)) { - return undefined; - } - var typeArguments = parseDelimitedList(18, parseType); - if (!parseExpected(27)) { - return undefined; - } - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token) { - case 17: - case 21: - case 18: - case 20: - case 54: - case 23: - case 53: - case 30: - case 32: - case 31: - case 33: - case 51: - case 52: - case 48: - case 46: - case 47: - case 16: - case 1: - return true; - case 24: - case 15: - default: - return false; - } - } - function parsePrimaryExpression() { - switch (token) { - case 8: - case 9: - case 11: - return parseLiteralNode(); - case 97: - case 95: - case 93: - case 99: - case 84: - return parseTokenNode(); - case 17: - return parseParenthesizedExpression(); - case 19: - return parseArrayLiteralExpression(); - case 15: - return parseObjectLiteralExpression(); - case 118: - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 73: - return parseClassExpression(); - case 87: - return parseFunctionExpression(); - case 92: - return parseNewExpression(); - case 39: - case 61: - if (reScanSlashToken() === 10) { - return parseLiteralNode(); - } - break; - case 12: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(175); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(188); - parseExpected(22); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token === 22 ? parseSpreadElement() : - token === 24 ? createNode(190) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(167); - parseExpected(19); - if (scanner.hasPrecedingLineBreak()) - node.flags |= 1024; - node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); - parseExpected(20); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(123)) { - return parseAccessorDeclaration(146, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(129)) { - return parseAccessorDeclaration(147, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(37); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (asteriskToken || token === 17 || token === 25) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 || token === 16 || token === 56); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(249, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(56); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(248, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(54); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(168); - parseExpected(15); - if (scanner.hasPrecedingLineBreak()) { - node.flags |= 1024; - } - node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); - parseExpected(16); - return finishNode(node); - } - function parseFunctionExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var node = createNode(176); - setModifiers(node, parseModifiers()); - parseExpected(87); - node.asteriskToken = parseOptionalToken(37); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(54, isGenerator, isAsync, false, node); - node.body = parseFunctionBlock(isGenerator, isAsync, false); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(172); - parseExpected(92); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token === 17) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(195); - if (parseExpected(15, diagnosticMessage) || ignoreMissingOpenBrace) { - node.statements = parseList(1, parseStatement); - parseExpected(16); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(197); - parseExpected(23); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(199); - parseExpected(88); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(80) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(200); - parseExpected(79); - node.statement = parseStatement(); - parseExpected(104); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - parseOptional(23); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(201); - parseExpected(104); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(86); - parseExpected(17); - var initializer = undefined; - if (token !== 23) { - if (token === 102 || token === 108 || token === 74) { - initializer = parseVariableDeclarationList(true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(90)) { - var forInStatement = createNode(203, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(18); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(135)) { - var forOfStatement = createNode(204, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(18); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(202, pos); - forStatement.initializer = initializer; - parseExpected(23); - if (token !== 23 && token !== 18) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(23); - if (token !== 18) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(18); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 206 ? 70 : 75); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(207); - parseExpected(94); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(208); - parseExpected(105); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(244); - parseExpected(71); - node.expression = allowInAnd(parseExpression); - parseExpected(54); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(245); - parseExpected(77); - parseExpected(54); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token === 71 ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(209); - parseExpected(96); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - var caseBlock = createNode(223, scanner.getStartPos()); - parseExpected(15); - caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); - parseExpected(16); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - var node = createNode(211); - parseExpected(98); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - function parseTryStatement() { - var node = createNode(212); - parseExpected(100); - node.tryBlock = parseBlock(false); - node.catchClause = token === 72 ? parseCatchClause() : undefined; - if (!node.catchClause || token === 85) { - parseExpected(85); - node.finallyBlock = parseBlock(false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(247); - parseExpected(72); - if (parseExpected(17)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(18); - result.block = parseBlock(false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(213); - parseExpected(76); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 69 && parseOptional(54)) { - var labeledStatement = createNode(210, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(198, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token === 87 && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token) || token === 8) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token) { - case 102: - case 108: - case 74: - case 87: - case 73: - case 81: - return true; - case 107: - case 132: - return nextTokenIsIdentifierOnSameLine(); - case 125: - case 126: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 115: - case 118: - case 122: - case 110: - case 111: - case 112: - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 134: - return nextToken() === 15; - case 89: - nextToken(); - return token === 9 || token === 37 || - token === 15 || ts.tokenIsIdentifierOrKeyword(token); - case 82: - nextToken(); - if (token === 56 || token === 37 || - token === 15 || token === 77) { - return true; - } - continue; - case 113: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token) { - case 55: - case 23: - case 15: - case 102: - case 108: - case 87: - case 73: - case 81: - case 88: - case 79: - case 104: - case 86: - case 75: - case 70: - case 94: - case 105: - case 96: - case 98: - case 100: - case 76: - case 72: - case 85: - return true; - case 74: - case 82: - case 89: - return isStartOfDeclaration(); - case 118: - case 122: - case 107: - case 125: - case 126: - case 132: - case 134: - return true; - case 112: - case 110: - case 111: - case 113: - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token === 15 || token === 19; - } - function isLetDeclaration() { - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token) { - case 23: - return parseEmptyStatement(); - case 15: - return parseBlock(false); - case 102: - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - case 108: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - } - break; - case 87: - return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); - case 73: - return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); - case 88: - return parseIfStatement(); - case 79: - return parseDoStatement(); - case 104: - return parseWhileStatement(); - case 86: - return parseForOrForInOrForOfStatement(); - case 75: - return parseBreakOrContinueStatement(205); - case 70: - return parseBreakOrContinueStatement(206); - case 94: - return parseReturnStatement(); - case 105: - return parseWithStatement(); - case 96: - return parseSwitchStatement(); - case 98: - return parseThrowStatement(); - case 100: - case 72: - case 85: - return parseTryStatement(); - case 76: - return parseDebuggerStatement(); - case 55: - return parseDeclaration(); - case 118: - case 107: - case 132: - case 125: - case 126: - case 122: - case 74: - case 81: - case 82: - case 89: - case 110: - case 111: - case 112: - case 115: - case 113: - case 134: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token) { - case 102: - case 108: - case 74: - return parseVariableStatement(fullStart, decorators, modifiers); - case 87: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 73: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 107: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 132: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 81: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 134: - case 125: - case 126: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 89: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 82: - nextToken(); - return token === 77 || token === 56 ? - parseExportAssignment(fullStart, decorators, modifiers) : - parseExportDeclaration(fullStart, decorators, modifiers); - default: - if (decorators || modifiers) { - var node = createMissingNode(234, true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - setModifiers(node, modifiers); - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token !== 15 && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); - } - function parseArrayBindingElement() { - if (token === 24) { - return createNode(190); - } - var node = createNode(166); - node.dotDotDotToken = parseOptionalToken(22); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(166); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token !== 54) { - node.name = propertyName; - } - else { - parseExpected(54); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(164); - parseExpected(15); - node.elements = parseDelimitedList(9, parseObjectBindingElement); - parseExpected(16); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(165); - parseExpected(19); - node.elements = parseDelimitedList(10, parseArrayBindingElement); - parseExpected(20); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token === 15 || token === 19 || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token === 19) { - return parseArrayBindingPattern(); - } - if (token === 15) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(214); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token)) { - node.initializer = parseInitializer(false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(215); - switch (token) { - case 102: - break; - case 108: - node.flags |= 8192; - break; - case 74: - node.flags |= 16384; - break; - default: - ts.Debug.fail(); - } - nextToken(); - if (token === 135 && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 18; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(196, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.declarationList = parseVariableDeclarationList(false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(216, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(87); - node.asteriskToken = parseOptionalToken(37); - node.name = node.flags & 512 ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256); - fillSignature(54, isGenerator, isAsync, false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(145, pos); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(121); - fillSignature(54, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(144, fullStart); - method.decorators = decorators; - setModifiers(method, modifiers); - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = !!(method.flags & 256); - fillSignature(54, isGenerator, isAsync, false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(142, fullStart); - property.decorators = decorators; - setModifiers(property, modifiers); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - property.initializer = modifiers && modifiers.flags & 64 - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(2 | 1, parseNonParameterInitializer); - parseSemicolon(); - return finishNode(property); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(37); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (asteriskToken || token === 17 || token === 25) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.name = parsePropertyName(); - fillSignature(54, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false); - return finishNode(node); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 112: - case 110: - case 111: - case 113: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token === 55) { - return true; - } - while (ts.isModifierKind(token)) { - idToken = token; - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token === 37) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token; - nextToken(); - } - if (token === 19) { - return true; - } - if (idToken !== undefined) { - if (!ts.isKeyword(idToken) || idToken === 129 || idToken === 123) { - return true; - } - switch (token) { - case 17: - case 25: - case 54: - case 56: - case 53: - return true; - default: - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(55)) { - break; - } - if (!decorators) { - decorators = []; - decorators.pos = decoratorStart; - } - var decorator = createNode(140, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - decorators.push(finishNode(decorator)); - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - function parseModifiers(permitInvalidConstAsModifier) { - var flags = 0; - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - if (token === 74 && permitInvalidConstAsModifier) { - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - if (!modifiers) { - modifiers = []; - modifiers.pos = modifierStart; - } - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - } - if (modifiers) { - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var flags = 0; - var modifiers; - if (token === 118) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - nextToken(); - modifiers = []; - modifiers.pos = modifierStart; - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token === 23) { - var result = createNode(194); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token === 121) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - if (ts.tokenIsIdentifierOrKeyword(token) || - token === 9 || - token === 8 || - token === 37 || - token === 19) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - var name_7 = createMissingNode(69, true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, undefined); - } - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 189); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(73); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(true); - if (parseExpected(15)) { - node.members = parseClassMembers(); - parseExpected(16); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseNameOfClassDeclarationOrExpression() { - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token === 106 && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses(isClassHeritageClause) { - if (isHeritageClause()) { - return parseList(20, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token === 83 || token === 106) { - var node = createNode(246); - node.token = token; - nextToken(); - node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(191); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token === 25) { - node.typeArguments = parseBracketedList(18, parseType, 25, 27); - } - return finishNode(node); - } - function isHeritageClause() { - return token === 83 || token === 106; - } - function parseClassMembers() { - return parseList(5, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(218, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(107); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(false); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(219, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(132); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(56); - node.type = parseType(); - parseSemicolon(); - return finishNode(node); - } - function parseEnumMember() { - var node = createNode(250, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return finishNode(node); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(220, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(81); - node.name = parseIdentifier(); - if (parseExpected(15)) { - node.members = parseDelimitedList(6, parseEnumMember); - parseExpected(16); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseModuleBlock() { - var node = createNode(222, scanner.getStartPos()); - if (parseExpected(15)) { - node.statements = parseList(1, parseStatement); - parseExpected(16); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(221, fullStart); - var namespaceFlag = flags & 65536; - node.decorators = decorators; - setModifiers(node, modifiers); - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(21) - ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 2 | namespaceFlag) - : parseModuleBlock(); - return finishNode(node); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (token === 134) { - node.name = parseIdentifier(); - node.flags |= 2097152; - } - else { - node.name = parseLiteralNode(true); - } - node.body = parseModuleBlock(); - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = modifiers ? modifiers.flags : 0; - if (token === 134) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(126)) { - flags |= 65536; - } - else { - parseExpected(125); - if (token === 9) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token === 127 && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 17; - } - function nextTokenIsSlash() { - return nextToken() === 39; - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(89); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token !== 24 && token !== 133) { - var importEqualsDeclaration = createNode(224, fullStart); - importEqualsDeclaration.decorators = decorators; - setModifiers(importEqualsDeclaration, modifiers); - importEqualsDeclaration.name = identifier; - parseExpected(56); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return finishNode(importEqualsDeclaration); - } - } - var importDeclaration = createNode(225, fullStart); - importDeclaration.decorators = decorators; - setModifiers(importDeclaration, modifiers); - if (identifier || - token === 37 || - token === 15) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(133); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - var importClause = createNode(226, fullStart); - if (identifier) { - importClause.name = identifier; - } - if (!importClause.name || - parseOptional(24)) { - importClause.namedBindings = token === 37 ? parseNamespaceImport() : parseNamedImportsOrExports(228); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(false); - } - function parseExternalModuleReference() { - var node = createNode(235); - parseExpected(127); - parseExpected(17); - node.expression = parseModuleSpecifier(); - parseExpected(18); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token === 9) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - return parseExpression(); - } - } - function parseNamespaceImport() { - var namespaceImport = createNode(227); - parseExpected(37); - parseExpected(116); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - node.elements = parseBracketedList(21, kind === 228 ? parseImportSpecifier : parseExportSpecifier, 15, 16); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(233); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(229); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token === 116) { - node.propertyName = identifierName; - parseExpected(116); - checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 229 && checkIdentifierIsKeyword) { - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(231, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(37)) { - parseExpected(133); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(232); - if (token === 133 || (token === 9 && !scanner.hasPrecedingLineBreak())) { - parseExpected(133); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(230, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(56)) { - node.isExportEquals = true; - } - else { - parseExpected(77); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); - var referencedFiles = []; - var amdDependencies = []; - var amdModuleName; - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - referencedFiles.push(fileReference); - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(136, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(260); - nextToken(); - result.members = parseDelimitedList(24, parseJSDocRecordMember); - checkForTrailingComma(result.members); - parseExpected(16); - return finishNode(result); - } - function parseJSDocRecordMember() { - var result = createNode(261); - result.name = parseSimplePropertyName(); - if (token === 54) { - nextToken(); - result.type = parseJSDocType(); - } - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(259); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(257); - nextToken(); - result.types = parseDelimitedList(25, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(20); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(256); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(18); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = []; - types.pos = firstType.pos; - types.push(firstType); - while (parseOptional(47)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(253); - nextToken(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - nextToken(); - if (token === 24 || - token === 16 || - token === 18 || - token === 27 || - token === 56 || - token === 47) { - var result = createNode(254, pos); - return finishNode(result); - } - else { - var result = createNode(258, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState("file.js", content, 2, true, undefined); - sourceFile = { languageVariant: 0, text: content }; - var jsDocComment = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var result; - if (content.charCodeAt(start) === 47 && - content.charCodeAt(start + 1) === 42 && - content.charCodeAt(start + 2) === 42 && - content.charCodeAt(start + 3) !== 42) { - scanner.scanRange(start + 3, length - 5, function () { - var canParseTag = true; - var seenAsterisk = true; - nextJSDocToken(); - while (token !== 1) { - switch (token) { - case 55: - if (canParseTag) { - parseTag(); - } - seenAsterisk = false; - break; - case 4: - canParseTag = true; - seenAsterisk = false; - break; - case 37: - if (seenAsterisk) { - canParseTag = false; - } - seenAsterisk = true; - break; - case 69: - canParseTag = false; - break; - case 1: - break; - } - nextJSDocToken(); - } - result = createJSDocComment(); - }); - } - return result; - function createJSDocComment() { - if (!tags) { - return undefined; - } - var result = createNode(268, start); - result.tags = tags; - return finishNode(result, end); - } - function skipWhitespace() { - while (token === 5 || token === 4) { - nextJSDocToken(); - } - } - function parseTag() { - ts.Debug.assert(token === 55); - var atToken = createNode(55, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifier(); - if (!tagName) { - return; - } - var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); - addTag(tag); - } - function handleTag(atToken, tagName) { - if (tagName) { - switch (tagName.text) { - case "param": - return handleParamTag(atToken, tagName); - case "return": - case "returns": - return handleReturnTag(atToken, tagName); - case "template": - return handleTemplateTag(atToken, tagName); - case "type": - return handleTypeTag(atToken, tagName); - } - } - return undefined; - } - function handleUnknownTag(atToken, tagName) { - var result = createNode(269, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag) { - if (tag) { - if (!tags) { - tags = []; - tags.pos = tag.pos; - } - tags.push(tag); - tags.end = tag.end; - } - } - function tryParseTypeExpression() { - if (token !== 15) { - return undefined; - } - var typeExpression = parseJSDocTypeExpression(); - return typeExpression; - } - function handleParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - if (parseOptionalToken(19)) { - name = parseJSDocIdentifier(); - isBracketed = true; - if (parseOptionalToken(56)) { - parseExpression(); - } - parseExpected(20); - } - else if (token === 69) { - name = parseJSDocIdentifier(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(270, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function handleReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 271; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(271, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 272; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(272, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 273; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var typeParameters = []; - typeParameters.pos = scanner.getStartPos(); - while (true) { - var name_8 = parseJSDocIdentifier(); - if (!name_8) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(138, name_8.pos); - typeParameter.name = name_8; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token === 24) { - nextJSDocToken(); - } - else { - break; - } - } - var result = createNode(273, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return token = scanner.scanJSDocToken(); - } - function parseJSDocIdentifier() { - if (token !== 69) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; - } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(69, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; - } - } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - return sourceFile; - } - if (sourceFile.statements.length === 0) { - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true); - } - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true); - return result; - } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } - return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - if (node._children) { - node._children = undefined; - } - if (node.jsDocComment) { - node.jsDocComment = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { - var node = array_7[_i]; - visitNode(node); - } - } - } - function shouldCheckNode(node) { - switch (node.kind) { - case 9: - case 8: - case 69: - return true; - } - return false; - } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - element.pos = Math.min(element.pos, changeRangeNewEnd); - if (element.end >= changeRangeOldEnd) { - element.end += delta; - } - else { - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); - } - } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } - } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { - var node = array_8[_i]; - visitNode(node); - } - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - } - function extendToAffectedRange(sourceFile, changeRange) { - var maxLookahead = 1; - var start = changeRange.span.start; - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); - } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - return; - } - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - bestResult = child; - } - if (position < child.end) { - forEachChild(child, visit); - return true; - } - else { - ts.Debug.assert(child.end <= position); - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - return true; - } - } - } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } - } - } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1; - return { - currentNode: function (position) { - if (position !== lastQueriedPosition) { - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - lastQueriedPosition = position; - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - function findHighestListElementThatStartsAtPosition(position) { - currentArray = undefined; - currentArrayIndex = -1; - current = undefined; - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - forEachChild(node, visitNode, visitArray); - return true; - } - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - return false; - } - } - } - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.bindTime = 0; - function or(state1, state2) { - return (state1 | state2) & 2 - ? 2 - : (state1 & state2) & 8 - ? 8 - : 4; - } - function getModuleInstanceState(node) { - if (node.kind === 218 || node.kind === 219) { - return 0; - } - else if (ts.isConstEnumDeclaration(node)) { - return 2; - } - else if ((node.kind === 225 || node.kind === 224) && !(node.flags & 2)) { - return 0; - } - else if (node.kind === 222) { - var state_1 = 0; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0: - return false; - case 2: - state_1 = 2; - return false; - case 1: - state_1 = 1; - return true; - } - }); - return state_1; - } - else if (node.kind === 221) { - return getModuleInstanceState(node.body); - } - else { - return 1; - } - } - ts.getModuleInstanceState = getModuleInstanceState; - var binder = createBinder(); - function bindSourceFile(file, options) { - var start = new Date().getTime(); - binder(file, options); - ts.bindTime += new Date().getTime() - start; - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - var hasExplicitReturn; - var currentReachabilityState; - var labelStack; - var labelIndexMap; - var implicitLabels; - var hasClassExtends; - var hasAsyncFunctions; - var hasDecorators; - var hasParameterDecorators; - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - function bindSourceFile(f, opts) { - file = f; - options = opts; - inStrictMode = !!file.externalModuleIndicator; - classifiableNames = {}; - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; - } - file = undefined; - options = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - hasExplicitReturn = false; - labelStack = undefined; - labelIndexMap = undefined; - implicitLabels = undefined; - hasClassExtends = false; - hasAsyncFunctions = false; - hasDecorators = false; - hasParameterDecorators = false; - } - return bindSourceFile; - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; - } - symbol.declarations.push(node); - if (symbolFlags & 1952 && !symbol.exports) { - symbol.exports = {}; - } - if (symbolFlags & 6240 && !symbol.members) { - symbol.members = {}; - } - if (symbolFlags & 107455) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221)) { - symbol.valueDeclaration = node; - } - } - } - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 137) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); - } - return node.name.text; - } - switch (node.kind) { - case 145: - return "__constructor"; - case 153: - case 148: - return "__call"; - case 154: - case 149: - return "__new"; - case 150: - return "__index"; - case 231: - return "__export"; - case 230: - return node.isExportEquals ? "export=" : "default"; - case 184: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2: - return "export="; - case 1: - case 4: - return node.left.name.text; - case 3: - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 216: - case 217: - return node.flags & 512 ? "default" : undefined; - case 264: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 139: - ts.Debug.assert(node.parent.kind === 264); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "p" + index; - } - } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); - } - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = node.flags & 512; - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name !== undefined) { - symbol = ts.hasProperty(symbolTable, name) - ? symbolTable[name] - : (symbolTable[name] = createSymbol(0, name)); - if (name && (includes & 788448)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (node.name) { - node.name.parent = node; - } - var message_1 = symbol.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.flags & 512) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - }); - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0, name); - } - } - else { - symbol = createSymbol(0, "__missing"); - } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; - } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedNodeFlags(node) & 2; - if (symbolFlags & 8388608) { - if (node.kind === 233 || (node.kind === 224 && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - else { - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072)) { - var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | - (symbolFlags & 793056 ? 2097152 : 0) | - (symbolFlags & 1536 ? 4194304 : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - } - function bindChildren(node) { - var saveParent = parent; - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - parent = node; - var containerFlags = getContainerFlags(node); - if (containerFlags & 1) { - container = blockScopeContainer = node; - if (containerFlags & 4) { - container.locals = {}; - } - addToContainerChain(container); - } - else if (containerFlags & 2) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; - } - var savedReachabilityState; - var savedLabelStack; - var savedLabels; - var savedImplicitLabels; - var savedHasExplicitReturn; - var kind = node.kind; - var flags = node.flags; - flags &= ~1572864; - flags &= ~62914560; - if (kind === 218) { - seenThisKeyword = false; - } - var saveState = kind === 251 || kind === 222 || ts.isFunctionLikeKind(kind); - if (saveState) { - savedReachabilityState = currentReachabilityState; - savedLabelStack = labelStack; - savedLabels = labelIndexMap; - savedImplicitLabels = implicitLabels; - savedHasExplicitReturn = hasExplicitReturn; - currentReachabilityState = 2; - hasExplicitReturn = false; - labelStack = labelIndexMap = implicitLabels = undefined; - } - if (ts.isInJavaScriptFile(node) && node.jsDocComment) { - bind(node.jsDocComment); - } - bindReachableStatement(node); - if (currentReachabilityState === 2 && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { - flags |= 524288; - if (hasExplicitReturn) { - flags |= 1048576; - } - } - if (kind === 218) { - flags = seenThisKeyword ? flags | 262144 : flags & ~262144; - } - if (kind === 251) { - if (hasClassExtends) { - flags |= 4194304; - } - if (hasDecorators) { - flags |= 8388608; - } - if (hasParameterDecorators) { - flags |= 16777216; - } - if (hasAsyncFunctions) { - flags |= 33554432; - } - } - node.flags = flags; - if (saveState) { - hasExplicitReturn = savedHasExplicitReturn; - currentReachabilityState = savedReachabilityState; - labelStack = savedLabelStack; - labelIndexMap = savedLabels; - implicitLabels = savedImplicitLabels; - } - container = saveContainer; - parent = saveParent; - blockScopeContainer = savedBlockScopeContainer; - } - function bindReachableStatement(node) { - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; - } - switch (node.kind) { - case 201: - bindWhileStatement(node); - break; - case 200: - bindDoStatement(node); - break; - case 202: - bindForStatement(node); - break; - case 203: - case 204: - bindForInOrForOfStatement(node); - break; - case 199: - bindIfStatement(node); - break; - case 207: - case 211: - bindReturnOrThrow(node); - break; - case 206: - case 205: - bindBreakOrContinueStatement(node); - break; - case 212: - bindTryStatement(node); - break; - case 209: - bindSwitchStatement(node); - break; - case 223: - bindCaseBlock(node); - break; - case 210: - bindLabeledStatement(node); - break; - default: - ts.forEachChild(node, bind); - break; - } - } - function bindWhileStatement(n) { - var preWhileState = n.expression.kind === 84 ? 4 : currentReachabilityState; - var postWhileState = n.expression.kind === 99 ? 4 : currentReachabilityState; - bind(n.expression); - currentReachabilityState = preWhileState; - var postWhileLabel = pushImplicitLabel(); - bind(n.statement); - popImplicitLabel(postWhileLabel, postWhileState); - } - function bindDoStatement(n) { - var preDoState = currentReachabilityState; - var postDoLabel = pushImplicitLabel(); - bind(n.statement); - var postDoState = n.expression.kind === 99 ? 4 : preDoState; - popImplicitLabel(postDoLabel, postDoState); - bind(n.expression); - } - function bindForStatement(n) { - var preForState = currentReachabilityState; - var postForLabel = pushImplicitLabel(); - bind(n.initializer); - bind(n.condition); - bind(n.incrementor); - bind(n.statement); - var isInfiniteLoop = (!n.condition || n.condition.kind === 99); - var postForState = isInfiniteLoop ? 4 : preForState; - popImplicitLabel(postForLabel, postForState); - } - function bindForInOrForOfStatement(n) { - var preStatementState = currentReachabilityState; - var postStatementLabel = pushImplicitLabel(); - bind(n.initializer); - bind(n.expression); - bind(n.statement); - popImplicitLabel(postStatementLabel, preStatementState); - } - function bindIfStatement(n) { - var ifTrueState = n.expression.kind === 84 ? 4 : currentReachabilityState; - var ifFalseState = n.expression.kind === 99 ? 4 : currentReachabilityState; - currentReachabilityState = ifTrueState; - bind(n.expression); - bind(n.thenStatement); - if (n.elseStatement) { - var preElseState = currentReachabilityState; - currentReachabilityState = ifFalseState; - bind(n.elseStatement); - currentReachabilityState = or(currentReachabilityState, preElseState); - } - else { - currentReachabilityState = or(currentReachabilityState, ifFalseState); - } - } - function bindReturnOrThrow(n) { - bind(n.expression); - if (n.kind === 207) { - hasExplicitReturn = true; - } - currentReachabilityState = 4; - } - function bindBreakOrContinueStatement(n) { - bind(n.label); - var isValidJump = jumpToLabel(n.label, n.kind === 206 ? currentReachabilityState : 4); - if (isValidJump) { - currentReachabilityState = 4; - } - } - function bindTryStatement(n) { - var preTryState = currentReachabilityState; - bind(n.tryBlock); - var postTryState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.catchClause); - var postCatchState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.finallyBlock); - currentReachabilityState = or(postTryState, postCatchState); - } - function bindSwitchStatement(n) { - var preSwitchState = currentReachabilityState; - var postSwitchLabel = pushImplicitLabel(); - bind(n.expression); - bind(n.caseBlock); - var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245; }); - var postSwitchState = hasDefault && currentReachabilityState !== 2 ? 4 : preSwitchState; - popImplicitLabel(postSwitchLabel, postSwitchState); - } - function bindCaseBlock(n) { - var startState = currentReachabilityState; - for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { - var clause = _a[_i]; - currentReachabilityState = startState; - bind(clause); - if (clause.statements.length && currentReachabilityState === 2 && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); - } - } - } - function bindLabeledStatement(n) { - bind(n.label); - var ok = pushNamedLabel(n.label); - bind(n.statement); - if (ok) { - popNamedLabel(n.label, currentReachabilityState); - } - } - function getContainerFlags(node) { - switch (node.kind) { - case 189: - case 217: - case 218: - case 220: - case 168: - case 156: - case 260: - return 1; - case 148: - case 149: - case 150: - case 144: - case 143: - case 216: - case 145: - case 146: - case 147: - case 153: - case 154: - case 176: - case 177: - case 221: - case 251: - case 219: - return 5; - case 247: - case 202: - case 203: - case 204: - case 223: - return 2; - case 195: - return ts.isFunctionLike(node.parent) ? 0 : 2; - } - return 0; - } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; - } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); - } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - case 221: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 251: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 189: - case 217: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 220: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 156: - case 168: - case 218: - case 260: - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 153: - case 154: - case 148: - case 149: - case 150: - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 176: - case 177: - case 264: - case 219: - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return node.flags & 64 - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 251 ? node : node.body; - if (body.kind === 251 || body.kind === 222) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 231 || stat.kind === 230) { - return true; - } - } - } - return false; - } - function setExportContextFlag(node) { - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 131072; - } - else { - node.flags &= ~131072; - } - } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (node.flags & 2) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - declareSymbolAndAddToSymbolTable(node, 512, 106639); - } - else { - var state = getModuleInstanceState(node); - if (state === 0) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (node.symbol.flags & (16 | 32 | 256)) { - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2; - if (node.symbol.constEnumOnlyModule === undefined) { - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } - } - } - function bindFunctionOrConstructorType(node) { - var symbol = createSymbol(131072, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072); - var typeLiteralSymbol = createSymbol(2048, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048); - typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); - var _a; - } - function bindObjectLiteralExpression(node) { - if (inStrictMode) { - var seen = {}; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 69) { - continue; - } - var identifier = prop.name; - var currentKind = prop.kind === 248 || prop.kind === 249 || prop.kind === 144 - ? 1 - : 2; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 && existingKind === 1) { - var span = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } - } - } - return bindAnonymousDeclaration(node, 4096, "__object"); - } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); - } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 221: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 251: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = {}; - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2, 107455); - } - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 106 && - node.originalKeywordKind <= 114 && - !ts.isIdentifierName(node)) { - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } - } - function getStrictModeIdentifierMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; - } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - checkStrictModeEvalOrArguments(node, node.left); - } - } - function checkStrictModeCatchClause(node) { - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } - } - function checkStrictModeDeleteExpression(node) { - if (inStrictMode && node.expression.kind === 69) { - var span = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); - } - } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 69 && - (node.text === "eval" || node.text === "arguments"); - } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 69) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - var span = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); - } - } - } - function getStrictModeEvalOrArgumentsMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; - } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.flags & 32768) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); - } - } - function checkStrictModePostfixUnaryExpression(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - function checkStrictModePrefixUnaryExpression(node) { - if (inStrictMode) { - if (node.operator === 41 || node.operator === 42) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - } - function checkStrictModeWithStatement(node) { - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); - } - } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); - } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); - } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var savedInStrictMode = inStrictMode; - if (!savedInStrictMode) { - updateStrictMode(node); - } - bindWorker(node); - bindChildren(node); - inStrictMode = savedInStrictMode; - } - function updateStrictMode(node) { - switch (node.kind) { - case 251: - case 222: - updateStrictModeStatementList(node.statements); - return; - case 195: - if (ts.isFunctionLike(node.parent)) { - updateStrictModeStatementList(node.statements); - } - return; - case 217: - case 189: - inStrictMode = true; - return; - } - } - function updateStrictModeStatementList(statements) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } - } - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - return nodeText === "\"use strict\"" || nodeText === "'use strict'"; - } - function bindWorker(node) { - switch (node.kind) { - case 69: - return checkStrictModeIdentifier(node); - case 184: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1: - bindExportsPropertyAssignment(node); - break; - case 2: - bindModuleExportsAssignment(node); - break; - case 3: - bindPrototypePropertyAssignment(node); - break; - case 4: - bindThisPropertyAssignment(node); - break; - case 0: - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 247: - return checkStrictModeCatchClause(node); - case 178: - return checkStrictModeDeleteExpression(node); - case 8: - return checkStrictModeNumericLiteral(node); - case 183: - return checkStrictModePostfixUnaryExpression(node); - case 182: - return checkStrictModePrefixUnaryExpression(node); - case 208: - return checkStrictModeWithStatement(node); - case 162: - seenThisKeyword = true; - return; - case 151: - return checkTypePredicate(node); - case 138: - return declareSymbolAndAddToSymbolTable(node, 262144, 530912); - case 139: - return bindParameter(node); - case 214: - case 166: - return bindVariableDeclarationOrBindingElement(node); - case 142: - case 141: - case 261: - return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 107455); - case 248: - case 249: - return bindPropertyOrMethodOrAccessor(node, 4, 107455); - case 250: - return bindPropertyOrMethodOrAccessor(node, 8, 107455); - case 148: - case 149: - case 150: - return declareSymbolAndAddToSymbolTable(node, 131072, 0); - case 144: - case 143: - return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 107455 : 99263); - case 216: - return bindFunctionDeclaration(node); - case 145: - return declareSymbolAndAddToSymbolTable(node, 16384, 0); - case 146: - return bindPropertyOrMethodOrAccessor(node, 32768, 41919); - case 147: - return bindPropertyOrMethodOrAccessor(node, 65536, 74687); - case 153: - case 154: - case 264: - return bindFunctionOrConstructorType(node); - case 156: - case 260: - return bindAnonymousDeclaration(node, 2048, "__type"); - case 168: - return bindObjectLiteralExpression(node); - case 176: - case 177: - return bindFunctionExpression(node); - case 171: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - case 189: - case 217: - return bindClassLikeDeclaration(node); - case 218: - return bindBlockScopedDeclaration(node, 64, 792960); - case 219: - return bindBlockScopedDeclaration(node, 524288, 793056); - case 220: - return bindEnumDeclaration(node); - case 221: - return bindModuleDeclaration(node); - case 224: - case 227: - case 229: - case 233: - return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - case 226: - return bindImportClause(node); - case 231: - return bindExportDeclaration(node); - case 230: - return bindExportAssignment(node); - case 251: - return bindSourceFileIfExternalModule(); - } - } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 69) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 162) { - seenThisKeyword = true; - } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); - } - } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); - } - function bindExportAssignment(node) { - var boundExpression = node.kind === 230 ? node.expression : node.right; - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); - } - else if (boundExpression.kind === 69 && node.kind === 230) { - declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 107455 | 8388608); - } - else { - declareSymbol(container.symbol.exports, container.symbol, node, 4, 107455 | 8388608); - } - } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); - } - else if (!node.exportClause) { - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); - } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - } - } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - bindSourceFileAsExternalModule(); - } - } - function bindExportsPropertyAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); - } - function bindModuleExportsAssignment(node) { - setCommonJsModuleIndicator(node); - bindExportAssignment(node); - } - function bindThisPropertyAssignment(node) { - if (container.kind === 176 || container.kind === 216) { - container.symbol.members = container.symbol.members || {}; - declareSymbol(container.symbol.members, container.symbol, node, 4, 107455 & ~4); - } - } - function bindPrototypePropertyAssignment(node) { - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16)) { - return; - } - if (!funcSymbol.members) { - funcSymbol.members = {}; - } - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 107455); - } - function bindCallExpression(node) { - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { - setCommonJsModuleIndicator(node); - } - } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - hasClassExtends = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - if (node.kind === 217) { - bindBlockScopedDeclaration(node, 32, 899519); - } - else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32, bindingName); - if (node.name) { - classifiableNames[node.name.text] = node.name.text; - } - } - var symbol = node.symbol; - var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); - if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { - if (node.name) { - node.name.parent = node; - } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); - } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; - } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128, 899967) - : bindBlockScopedDeclaration(node, 256, 899327); - } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107454); - } - } - } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - hasDecorators = true; - hasParameterDecorators = true; - } - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4, 107455); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - return declareSymbolAndAddToSymbolTable(node, 16, 106927); - } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16, bindingName); - } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); - } - function pushNamedLabel(name) { - initializeReachabilityStateIfNecessary(); - if (ts.hasProperty(labelIndexMap, name.text)) { - return false; - } - labelIndexMap[name.text] = labelStack.push(1) - 1; - return true; - } - function pushImplicitLabel() { - initializeReachabilityStateIfNecessary(); - var index = labelStack.push(1) - 1; - implicitLabels.push(index); - return index; - } - function popNamedLabel(label, outerState) { - var index = labelIndexMap[label.text]; - ts.Debug.assert(index !== undefined); - ts.Debug.assert(labelStack.length == index + 1); - labelIndexMap[label.text] = undefined; - setCurrentStateAtLabel(labelStack.pop(), outerState, label); - } - function popImplicitLabel(implicitLabelIndex, outerState) { - if (labelStack.length !== implicitLabelIndex + 1) { - ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); - } - var i = implicitLabels.pop(); - if (implicitLabelIndex !== i) { - ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); - } - setCurrentStateAtLabel(labelStack.pop(), outerState, undefined); - } - function setCurrentStateAtLabel(innerMergedState, outerState, label) { - if (innerMergedState === 1) { - if (label && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); - } - currentReachabilityState = outerState; - } - else { - currentReachabilityState = or(innerMergedState, outerState); - } - } - function jumpToLabel(label, outerState) { - initializeReachabilityStateIfNecessary(); - var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); - if (index === undefined) { - return false; - } - var stateAtLabel = labelStack[index]; - labelStack[index] = stateAtLabel === 1 ? outerState : or(stateAtLabel, outerState); - return true; - } - function checkUnreachable(node) { - switch (currentReachabilityState) { - case 4: - var reportError = (ts.isStatement(node) && node.kind !== 197) || - node.kind === 217 || - (node.kind === 221 && shouldReportErrorOnModuleDeclaration(node)) || - (node.kind === 220 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentReachabilityState = 8; - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 196 || - ts.getCombinedNodeFlags(node.declarationList) & 24576 || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); - } - } - case 8: - return true; - default: - return false; - } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); - } - } - function initializeReachabilityStateIfNecessary() { - if (labelIndexMap) { - return; - } - currentReachabilityState = 2; - labelIndexMap = {}; - labelStack = []; - implicitLabels = []; - } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; - } - return node.id; - } - ts.getNodeId = getNodeId; - ts.checkTime = 0; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; - } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = {}; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var unknownSymbol = createSymbol(4 | 67108864, "unknown"); - var resolvingSymbol = createSymbol(67108864, "__resolving__"); - var anyType = createIntrinsicType(1, "any"); - var stringType = createIntrinsicType(2, "string"); - var numberType = createIntrinsicType(4, "number"); - var booleanType = createIntrinsicType(8, "boolean"); - var esSymbolType = createIntrinsicType(16777216, "symbol"); - var voidType = createIntrinsicType(16, "void"); - var undefinedType = createIntrinsicType(32 | 2097152, "undefined"); - var nullType = createIntrinsicType(64 | 2097152, "null"); - var unknownType = createIntrinsicType(1, "unknown"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyUnionType = emptyObjectType; - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = {}; - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - anyFunctionType.flags |= 8388608; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); - var globals = {}; - var globalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var globalTemplateStringsArrayType; - var globalESSymbolType; - var globalIterableType; - var globalIteratorType; - var globalIterableIteratorType; - var anyArrayType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var tupleTypes = {}; - var unionTypes = {}; - var intersectionTypes = {}; - var stringLiteralTypes = {}; - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var primitiveTypeInfo = { - "string": { - type: stringType, - flags: 258 - }, - "number": { - type: numberType, - flags: 132 - }, - "boolean": { - type: booleanType, - flags: 8 - }, - "symbol": { - type: esSymbolType, - flags: 16777216 - }, - "undefined": { - type: undefinedType, - flags: 2097152 - } - }; - var jsxElementType; - var jsxTypes = {}; - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = {}; - var assignableRelation = {}; - var identityRelation = {}; - var _displayBuilder; - var builtinGlobals = (_a = {}, - _a[undefinedSymbol.name] = undefinedSymbol, - _a - ); - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; - } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); - } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2) - result |= 107455; - if (flags & 1) - result |= 107454; - if (flags & 4) - result |= 107455; - if (flags & 8) - result |= 107455; - if (flags & 16) - result |= 106927; - if (flags & 32) - result |= 899519; - if (flags & 64) - result |= 792960; - if (flags & 256) - result |= 899327; - if (flags & 128) - result |= 899967; - if (flags & 512) - result |= 106639; - if (flags & 8192) - result |= 99263; - if (flags & 32768) - result |= 41919; - if (flags & 65536) - result |= 74687; - if (flags & 262144) - result |= 530912; - if (flags & 524288) - result |= 793056; - if (flags & 8388608) - result |= 8388608; - return result; - } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; - } - mergedSymbols[source.mergeId] = target; - } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = cloneSymbolTable(symbol.members); - if (symbol.exports) - result.exports = cloneSymbolTable(symbol.exports); - recordMergedSymbol(result, symbol); - return result; - } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - target.constEnumOnlyModule = false; - } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 221 && source.valueDeclaration.kind !== 221))) { - target.valueDeclaration = source.valueDeclaration; - } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = {}; - mergeSymbolTable(target.members, source.members); - } - if (source.exports) { - if (!target.exports) - target.exports = {}; - mergeSymbolTable(target.exports, source.exports); - } - recordMergedSymbol(target, source); - } - else { - var message_2 = target.flags & 2 || source.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - } - } - function cloneSymbolTable(symbolTable) { - var result = {}; - for (var id in symbolTable) { - if (ts.hasProperty(symbolTable, id)) { - result[id] = symbolTable[id]; - } - } - return result; - } - function mergeSymbolTable(target, source) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (!ts.hasProperty(target, id)) { - target[id] = source[id]; - } - else { - var symbol = target[id]; - if (!(symbol.flags & 33554432)) { - target[id] = symbol = cloneSymbol(symbol); - } - mergeSymbol(symbol, source[id]); - } - } - } - } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); - return; - } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); - if (!mainModule) { - return; - } - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1536) { - mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } - } - } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (ts.hasProperty(target, id)) { - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } - } - } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; - } - } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); - } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); - } - function isGlobalSourceFile(node) { - return node.kind === 251 && !ts.isExternalOrCommonJsModule(node); - } - function getSymbol(symbols, name, meaning) { - if (meaning && ts.hasProperty(symbols, name)) { - var symbol = symbols[name]; - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608) { - var target = resolveAlias(symbol); - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } - } - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructoDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; - } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); - } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - return declaration.kind !== 214 || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - if (declaration.parent.parent.kind === 196 || - declaration.parent.parent.kind === 202) { - return isSameScopeDescendentOf(usage, declaration, container); - } - else if (declaration.parent.parent.kind === 204 || - declaration.parent.parent.kind === 203) { - var expression = declaration.parent.parent.expression; - return isSameScopeDescendentOf(usage, expression, container); - } - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 142 && - (current.parent.flags & 64) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; - } - } - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - loop: while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - if (meaning & result.flags & 793056 && lastLocation.kind !== 268) { - useResult = result.flags & 262144 - ? lastLocation === location.type || - lastLocation.kind === 139 || - lastLocation.kind === 138 - : false; - } - if (meaning & 107455 && result.flags & 1) { - useResult = - lastLocation.kind === 139 || - (lastLocation === location.type && - result.valueDeclaration.kind === 139); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location)) - break; - case 221: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 251 || ts.isAmbientModule(location)) { - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - if (ts.hasProperty(moduleExports, name) && - moduleExports[name].flags === 8388608 && - ts.getDeclarationOfKind(moduleExports[name], 233)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931)) { - break loop; - } - break; - case 220: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { - break loop; - } - break; - case 142: - case 141: - if (ts.isClassLike(location.parent) && !(location.flags & 64)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455)) { - propertyWithInvalidInitializer = location; - } - } - } - break; - case 217: - case 189: - case 218: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056)) { - if (lastLocation && lastLocation.flags & 64) { - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 189 && meaning & 32) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - case 137: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 218) { - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 177: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 176: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 140: - if (location.parent && location.parent.kind === 139) { - location = location.parent; - } - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (!result) { - result = getSymbol(globals, name, meaning); - } - if (!result) { - if (nameNotFoundMessage) { - if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; - } - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - if (meaning & 2) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - } - return result; - } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if (!errorLocation || (errorLocation.kind === 69 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; - } - var container = ts.getThisContainer(errorLocation, true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - if (location === container && !(location.flags & 64)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; - } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2) !== 0); - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); - } - } - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; - } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { - return true; - } - } - return false; - } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 224) { - return node; - } - while (node && node.kind !== 225) { - node = node.parent; - } - return node; - } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 235) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); - } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); - } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); - } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - return exportDefaultSymbol; - } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793056 | 1536)) { - return valueSymbol; - } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; - } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536) { - var exports = getExportsOfSymbol(symbol); - if (ts.hasProperty(exports, name)) { - return resolveSymbol(exports[name]); - } - } - } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } - } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_9 = specifier.propertyName || specifier.name; - if (name_9.text) { - var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); - var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); - } - return symbol; - } - } - } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536); - } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 | 793056 | 1536); - } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 224: - return getTargetOfImportEqualsDeclaration(node); - case 226: - return getTargetOfImportClause(node); - case 227: - return getTargetOfNamespaceImport(node); - case 229: - return getTargetOfImportSpecifier(node); - case 233: - return getTargetOfExportSpecifier(node); - case 230: - return getTargetOfExportAssignment(node); - } - } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793056 | 1536)) ? resolveAlias(symbol) : symbol; - } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; - } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || - (target !== unknownSymbol && (target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } - } - } - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - if (node.kind === 230) { - checkExpressionCached(node.expression); - } - else if (node.kind === 233) { - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - checkExpressionCached(node.moduleReference); - } - } - } - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { - if (!importDeclaration) { - importDeclaration = ts.getAncestor(entityName, 224); - ts.Debug.assert(importDeclaration !== undefined); - } - if (entityName.kind === 69 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (entityName.kind === 69 || entityName.parent.kind === 136) { - return resolveEntityName(entityName, 1536); - } - else { - ts.Debug.assert(entityName.parent.kind === 224); - return resolveEntityName(entityName, 107455 | 793056 | 1536); - } - } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); - } - function resolveEntityName(name, meaning, ignoreErrors) { - if (ts.nodeIsMissing(name)) { - return undefined; - } - var symbol; - if (name.kind === 69) { - var message = meaning === 1536 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } - } - else if (name.kind === 136 || name.kind === 169) { - var left = name.kind === 136 ? name.left : name.expression; - var right = name.kind === 136 ? name.right : name.name; - var namespace = resolveEntityName(left, 1536, ignoreErrors); - if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { - return undefined; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } - } - else { - ts.Debug.fail("Unknown entity name kind."); - } - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - return symbol.flags & meaning ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); - } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512); - if (symbol) { - return getMergedSymbol(symbol); - } - } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; - } - if (moduleNotFoundError) { - error(moduleReferenceLiteral, moduleNotFoundError, moduleName); - } - return undefined; - } - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; - } - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 | 3))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; - } - return symbol; - } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; - } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); - } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; - } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); - } - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !ts.hasProperty(target, id)) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } - } - } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - return visit(moduleSymbol) || moduleSymbol.exports; - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = cloneSymbolTable(symbol.exports); - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = {}; - var lookupTable = {}; - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; - } - } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); - } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); - } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; - } - function symbolIsValue(symbol) { - if (symbol.flags & 16777216) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - if (symbol.flags & 107455) { - return true; - } - if (symbol.flags & 8388608) { - return (resolveAlias(symbol).flags & 107455) !== 0; - } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 145 && ts.nodeIsPresent(member.body)) { - return member; - } - } - } - function createType(flags) { - var result = new Type(checker, flags); - result.id = typeCount; - typeCount++; - return result; - } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; - } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; - } - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 && - name.charCodeAt(1) === 95 && - name.charCodeAt(2) !== 95 && - name.charCodeAt(2) !== 64; - } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (ts.hasProperty(members, id)) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } - } - } - } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexType) - type.stringIndexType = stringIndexType; - if (numberIndexType) - type.numberIndexType = numberIndexType; - return type; - } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - return setObjectTypeMembers(createObjectType(65536, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; - } - } - switch (location_1.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; - } - case 221: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; - } - break; - case 217: - case 218: - if (result = callback(getSymbolOfNode(location_1).members)) { - return result; - } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - return rightMeaning === 107455 ? 107455 : 1536; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; - } - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); - } - } - if (isAccessible(ts.lookUp(symbols, symbol.name))) { - return [symbol]; - } - return ts.forEachValue(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) { - if (!useOnlyExternalAliasing || - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } - } - } - }); - } - if (symbol) { - return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); - } - } - function needsQualification(symbol, enclosingDeclaration, meaning) { - var qualify = false; - forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { - if (!ts.hasProperty(symbolTable, symbol.name)) { - return false; - } - var symbolFromSymbolTable = symbolTable[symbol.name]; - if (symbolFromSymbolTable === symbol) { - return true; - } - symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; - if (symbolFromSymbolTable.flags & meaning) { - qualify = true; - return true; - } - return false; - }); - return qualify; - } - function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { - if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { - var initialSymbol = symbol; - var meaningToLook = meaning; - while (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); - if (accessibleSymbolChain) { - var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); - if (!hasAccessibleDeclarations) { - return { - accessibility: 1, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536) : undefined - }; - } - return hasAccessibleDeclarations; - } - meaningToLook = getQualifiedLeftMeaning(meaning); - symbol = getParentOfSymbol(symbol); - } - var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); - if (symbolExternalModule) { - var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); - if (symbolExternalModule !== enclosingExternalModule) { - return { - accessibility: 2, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbolToString(symbolExternalModule) - }; - } - } - return { - accessibility: 1, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) - }; - } - return { accessibility: 0 }; - function getExternalModuleContainer(declaration) { - for (; declaration; declaration = declaration.parent) { - if (hasExternalModuleSymbol(declaration)) { - return getSymbolOfNode(declaration); - } - } - } - } - function hasExternalModuleSymbol(declaration) { - return ts.isAmbientModule(declaration) || (declaration.kind === 251 && ts.isExternalOrCommonJsModule(declaration)); - } - function hasVisibleDeclarations(symbol) { - var aliasesToMakeVisible; - if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { - return undefined; - } - return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; - function getIsDeclarationVisible(declaration) { - if (!isDeclarationVisible(declaration)) { - var anyImportSyntax = getAnyImportSyntax(declaration); - if (anyImportSyntax && - !(anyImportSyntax.flags & 2) && - isDeclarationVisible(anyImportSyntax.parent)) { - getNodeLinks(declaration).isVisible = true; - if (aliasesToMakeVisible) { - if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { - aliasesToMakeVisible.push(anyImportSyntax); - } - } - else { - aliasesToMakeVisible = [anyImportSyntax]; - } - return true; - } - return false; - } - return true; - } - } - function isEntityNameVisible(entityName, enclosingDeclaration) { - var meaning; - if (entityName.parent.kind === 155) { - meaning = 107455 | 1048576; - } - else if (entityName.kind === 136 || entityName.kind === 169 || - entityName.parent.kind === 224) { - meaning = 1536; - } - else { - meaning = 793056; - } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); - return (symbol && hasVisibleDeclarations(symbol)) || { - accessibility: 1, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; - } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 161) { - node = node.parent; - } - if (node.kind === 219) { - return getSymbolOfNode(node); - } - } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 222 && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 189: - return "(Anonymous class)"; - case 176: - case 177: - return "(Anonymous function)"; - } - } - return symbol.name; - } - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); - } - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - if (flags & 1) { - if (symbol.flags & 16777216) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } - } - writePunctuation(writer, 21); - } - parentSymbol = symbol; - appendSymbolNameOnly(symbol, writer); - } - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning) { - if (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); - } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); - } - } - else { - if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { - return; - } - if (symbol.flags & 2048 || symbol.flags & 4096) { - return; - } - appendParentTypeArgumentsAndSymbolName(symbol); - } - } - } - var isTypeParameter = symbol.flags & 262144; - var typeFormatFlag = 128 & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning); - return; - } - return appendParentTypeArgumentsAndSymbolName(symbol); - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - if (type.flags & 16777343) { - writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 33554432) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 4096) { - writeTypeReference(type, flags); - } - else if (type.flags & (1024 | 2048 | 128 | 512)) { - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056, 0, flags); - } - else if (type.flags & 8192) { - writeTupleType(type); - } - else if (type.flags & 49152) { - writeUnionOrIntersectionType(type, flags); - } - else if (type.flags & 65536) { - writeAnonymousType(type, flags); - } - else if (type.flags & 256) { - writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); - } - else { - writePunctuation(writer, 15); - writeSpace(writer); - writePunctuation(writer, 22); - writeSpace(writer); - writePunctuation(writer, 16); - } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 24) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 24 ? 0 : 64); - } - } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056, 0, flags); - } - if (pos < end) { - writePunctuation(writer, 25); - writeType(typeArguments[pos], 0); - pos++; - while (pos < end) { - writePunctuation(writer, 24); - writeSpace(writer); - writeType(typeArguments[pos], 0); - pos++; - } - writePunctuation(writer, 27); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1)) { - writeType(typeArguments[0], 64); - writePunctuation(writer, 19); - writePunctuation(writer, 20); - } - else { - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - var start = i; - var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); - writePunctuation(writer, 21); - } - } - } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); - } - } - function writeTupleType(type) { - writePunctuation(writer, 19); - writeTypeList(type.elementTypes, 24); - writePunctuation(writer, 20); - } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64) { - writePunctuation(writer, 17); - } - writeTypeList(type.types, type.flags & 16384 ? 47 : 46); - if (flags & 64) { - writePunctuation(writer, 18); - } - } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - if (symbol.flags & (32 | 384 | 512)) { - writeTypeofSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeofSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056, 0, flags); - } - else { - writeKeyword(writer, 117); - } - } - else { - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); - } - } - else { - writeLiteralType(type, flags); - } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 && - ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 251 || declaration.parent.kind === 222; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - return !!(flags & 2) || - (ts.contains(symbolStack, symbol)); - } - } - } - function writeTypeofSymbol(type, typeFormatFlags) { - writeKeyword(writer, 101); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); - } - function getIndexerParameterName(type, indexKind, fallbackName) { - var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); - if (!declaration) { - return fallbackName; - } - ts.Debug.assert(declaration.parameters.length !== 0); - return ts.declarationNameToString(declaration.parameters[0].name); - } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 15); - writePunctuation(writer, 16); - return; - } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 17); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 18); - } - return; - } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 17); - } - writeKeyword(writer, 92); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 18); - } - return; - } - } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 15); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - if (resolved.stringIndexType) { - writePunctuation(writer, 19); - writer.writeParameter(getIndexerParameterName(resolved, 0, "x")); - writePunctuation(writer, 54); - writeSpace(writer); - writeKeyword(writer, 130); - writePunctuation(writer, 20); - writePunctuation(writer, 54); - writeSpace(writer); - writeType(resolved.stringIndexType, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - if (resolved.numberIndexType) { - writePunctuation(writer, 19); - writer.writeParameter(getIndexerParameterName(resolved, 1, "x")); - writePunctuation(writer, 54); - writeSpace(writer); - writeKeyword(writer, 128); - writePunctuation(writer, 20); - writePunctuation(writer, 54); - writeSpace(writer); - writeType(resolved.numberIndexType, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - buildSymbolDisplay(p, writer); - if (p.flags & 536870912) { - writePunctuation(writer, 53); - } - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - } - else { - buildSymbolDisplay(p, writer); - if (p.flags & 536870912) { - writePunctuation(writer, 53); - } - writePunctuation(writer, 54); - writeSpace(writer); - writeType(t, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - } - writer.decreaseIndent(); - writePunctuation(writer, 16); - inObjectTypeLiteral = saveInObjectTypeLiteral; - } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); - } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 83); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 22); - } - appendSymbolNameOnly(p, writer); - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 53); - } - writePunctuation(writer, 54); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); - } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 27); - } - } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0); - } - writePunctuation(writer, 27); - } - } - function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 17); - for (var i = 0; i < parameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 18); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 97); - } - writeSpace(writer); - writeKeyword(writer, 124); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); - } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8) { - writeSpace(writer); - writePunctuation(writer, 34); - } - else { - writePunctuation(writer, 54); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1) { - writeKeyword(writer, 92); - writeSpace(writer); - } - if (signature.target && (flags & 32)) { - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); - } - else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); - } - buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); - } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); - } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 166: - return isDeclarationVisible(node.parent.parent); - case 214: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - return false; - } - case 221: - case 217: - case 218: - case 219: - case 216: - case 220: - case 224: - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_5 = getDeclarationContainer(node); - if (!(ts.getCombinedNodeFlags(node) & 2) && - !(node.kind !== 224 && parent_5.kind !== 251 && ts.isInAmbientContext(parent_5))) { - return isGlobalSourceFile(parent_5); - } - return isDeclarationVisible(parent_5); - case 142: - case 141: - case 146: - case 147: - case 144: - case 143: - if (node.flags & (16 | 32)) { - return false; - } - case 145: - case 149: - case 148: - case 150: - case 139: - case 222: - case 153: - case 154: - case 156: - case 152: - case 157: - case 158: - case 159: - case 160: - case 161: - return isDeclarationVisible(node.parent); - case 226: - case 227: - case 229: - return false; - case 138: - case 251: - return true; - case 230: - return false; - default: - ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); - } - } - } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 230) { - exportSymbol = resolveName(node.parent, node.text, 107455 | 793056 | 1536 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 233) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793056 | 1536 | 8388608); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); - } - } - }); - } - } - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; - } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; - } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; - } - } - return -1; - } - function hasType(target, propertyName) { - if (propertyName === 0) { - return getSymbolLinks(target).type; - } - if (propertyName === 2) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1) { - ts.Debug.assert(!!(target.flags & 1024)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); - } - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); - } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 214: - case 215: - case 229: - case 228: - case 227: - case 226: - node = node.parent; - break; - default: - return node.parent; - } - } - } - function getTypeOfPrototypeProperty(prototype) { - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; - } - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; - } - function isTypeAny(type) { - return type && (type.flags & 1) !== 0; - } - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); - } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 69: - return name.text; - case 9: - case 8: - return name.text; - case 137: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } - } - return undefined; - } - function isComputedNonLiteralName(name) { - return name.kind === 137 && !ts.isStringOrNumericLiteral(name.expression.kind); - } - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - if (parentType === unknownType) { - return unknownType; - } - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - return parentType; - } - var type; - if (pattern.kind === 164) { - var name_10 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_10)) { - return anyType; - } - var text = getTextOfPropertyName(name_10); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || - getIndexTypeOfType(parentType, 0); - if (!type) { - error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); - return unknownType; - } - } - else { - var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); - if (!declaration.dotDotDotToken) { - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); - } - return unknownType; - } - } - else { - type = createArrayType(elementType); - } - } - return type; - } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } - } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; - } - if (declaration.kind === 214 && - declaration.parent.kind === 215 && - declaration.parent.parent.kind === 196) { - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; - } - } - else if (declaration.kind === 139) { - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; - } - } - return undefined; - } - function getTypeForVariableLikeDeclaration(declaration) { - if (declaration.parserContextFlags & 32) { - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; - } - } - if (declaration.parent.parent.kind === 203) { - return stringType; - } - if (declaration.parent.parent.kind === 204) { - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; - } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); - } - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139) { - var func = declaration.parent; - if (func.kind === 147 && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146); - if (getter) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); - } - } - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - if (declaration.kind === 249) { - return checkIdentifier(declaration.name); - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, false); - } - return undefined; - } - function getTypeFromBindingElement(element, includePatternInType) { - if (element.initializer) { - return getWidenedType(checkExpressionCached(element.initializer)); - } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType); - } - return anyType; - } - function getTypeFromObjectBindingPattern(pattern, includePatternInType) { - var members = {}; - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.flags |= 67108864; - } - return result; - } - function getTypeFromArrayBindingPattern(pattern, includePatternInType) { - var elements = pattern.elements; - if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { - return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; - } - var elementTypes = ts.map(elements, function (e) { return e.kind === 190 ? anyType : getTypeFromBindingElement(e, includePatternInType); }); - if (includePatternInType) { - var result = createNewTupleType(elementTypes); - result.pattern = pattern; - return result; - } - return createTupleType(elementTypes); - } - function getTypeFromBindingPattern(pattern, includePatternInType) { - return pattern.kind === 164 - ? getTypeFromObjectBindingPattern(pattern, includePatternInType) - : getTypeFromArrayBindingPattern(pattern, includePatternInType); - } - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - if (declaration.kind === 248) { - return type; - } - return getWidenedType(type); - } - type = declaration.dotDotDotToken ? anyArrayType : anyType; - if (reportErrors && compilerOptions.noImplicitAny) { - var root = ts.getRootDeclaration(declaration); - if (!isPrivateWithinAmbient(root) && !(root.kind === 139 && isPrivateWithinAmbient(root.parent))) { - reportImplicitAnyError(declaration, type); - } - } - return type; - } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.flags & 134217728) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 247) { - return links.type = anyType; - } - if (declaration.kind === 230) { - return links.type = checkExpression(declaration.expression); - } - if (declaration.kind === 184) { - return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); - } - if (declaration.kind === 169) { - if (declaration.parent.kind === 184) { - return links.type = checkExpressionCached(declaration.parent.right); - } - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = getWidenedTypeForVariableLikeDeclaration(declaration, true); - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } - } - } - links.type = type; - } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 146) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } - } - return undefined; - } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var getter = ts.getDeclarationOfKind(symbol, 146); - var setter = ts.getDeclarationOfKind(symbol, 147); - var type = void 0; - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 146); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); - } - } - links.type = type; - } - return links.type; - } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = createObjectType(65536, symbol); - } - return links.type; - } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - } - return links.type; - } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - links.type = targetSymbol.flags & 107455 - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; - } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); - } - return links.type; - } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 | 4)) { - return getTypeOfVariableOrParameterOrProperty(symbol); - } - if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { - return getTypeOfFuncClassEnumModule(symbol); - } - if (symbol.flags & 8) { - return getTypeOfEnumMember(symbol); - } - if (symbol.flags & 98304) { - return getTypeOfAccessors(symbol); - } - if (symbol.flags & 8388608) { - return getTypeOfAlias(symbol); - } - return unknownType; - } - function getTargetType(type) { - return type.flags & 4096 ? type.target : type; - } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); - } - } - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } - } - return typeParameters; - } - function appendOuterTypeParameters(typeParameters, node) { - while (true) { - node = node.parent; - if (!node) { - return typeParameters; - } - if (node.kind === 217 || node.kind === 189 || - node.kind === 216 || node.kind === 176 || - node.kind === 144 || node.kind === 177) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } - } - } - } - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218); - return appendOuterTypeParameters(undefined, declaration); - } - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 218 || node.kind === 217 || - node.kind === 189 || node.kind === 219) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } - } - return result; - } - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); - } - function isConstructorType(type) { - return type.flags & 80896 && getSignaturesOfType(type, 1).length > 0; - } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); - } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); - } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); - } - return signatures; - } - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 80896) { - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; - } - type.resolvedBaseConstructorType = baseConstructorType; - } - return type.resolvedBaseConstructorType; - } - function getBaseTypes(type) { - var isClass = type.symbol.flags & 32; - var isInterface = type.symbol.flags & 64; - if (!type.resolvedBaseTypes) { - if (!isClass && !isInterface) { - ts.Debug.fail("type must be class or interface"); - } - if (isClass) { - resolveBaseTypesOfClass(type); - } - if (isInterface) { - resolveBaseTypesOfInterface(type); - } - } - return type.resolvedBaseTypes; - } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 80896)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && - areAllOuterTypeParametersApplied(originalBaseType)) { - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); - } - else { - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; - } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (1024 | 2048))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; - } - return true; - } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (1024 | 2048)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } - } - } - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218) { - if (declaration.flags & 262144) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isSupportedExpressionWithTypeArguments(node)) { - var baseSymbol = resolveEntityName(node.expression, 793056, true); - if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } - } - } - } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 ? 1024 : 2048; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (outerTypeParameters || localTypeParameters || kind === 1024 || !isIndependentInterface(symbol)) { - type.flags |= 4096; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = {}; - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(512 | 33554432); - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - if (!pushTypeResolution(symbol, 2)) { - return unknownType; - } - var declaration = ts.getDeclarationOfKind(symbol, 219); - var type = getTypeFromTypeNode(declaration.type); - if (popTypeResolution()) { - links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (links.typeParameters) { - links.instantiations = {}; - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(128); - type.symbol = symbol; - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(512); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 138).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; - } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0); - if (symbol.flags & (32 | 64)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288) { - return getDeclaredTypeOfTypeAlias(symbol); - } - if (symbol.flags & 384) { - return getDeclaredTypeOfEnum(symbol); - } - if (symbol.flags & 262144) { - return getDeclaredTypeOfTypeParameter(symbol); - } - if (symbol.flags & 8388608) { - return getDeclaredTypeOfAlias(symbol); - } - return unknownType; - } - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; - } - } - } - return true; - } - function isIndependentType(node) { - switch (node.kind) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 163: - return true; - case 157: - return isIndependentType(node.elementType); - case 152: - return isIndependentTypeReference(node); - } - return false; - } - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; - } - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 145 && (!node.type || !isIndependentType(node.type))) { - return false; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; - } - } - return true; - } - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 142: - case 141: - return isIndependentVariableLikeDeclaration(declaration); - case 144: - case 143: - case 145: - return isIndependentFunctionLikeDeclaration(declaration); - } - } - } - return false; - } - function createSymbolTable(symbols) { - var result = {}; - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; - } - return result; - } - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = {}; - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; - } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!ts.hasProperty(symbols, s.name)) { - symbols[s.name] = s; - } - } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0); - type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1); - } - return type; - } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 4096) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); - } - return type; - } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper = identityMapper; - var members = source.symbol.members; - var callSignatures = source.declaredCallSignatures; - var constructSignatures = source.declaredConstructSignatures; - var stringIndexType = source.declaredStringIndexType; - var numberIndexType = source.declaredNumberIndexType; - if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexType = instantiateType(source.declaredStringIndexType, mapper); - numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); - } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); - stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0); - numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1); - } - } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); - } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); - } - function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasStringLiterals = hasStringLiterals; - return sig; - } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); - } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, undefined, 0, false, false)]; - } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); - } - } - return result; - } - function createTupleTypeMemberSymbols(memberTypes) { - var members = {}; - for (var i = 0; i < memberTypes.length; i++) { - var symbol = createSymbol(4 | 67108864, "" + i); - symbol.type = memberTypes[i]; - members[i] = symbol; - } - return members; - } - function resolveTupleTypeMembers(type) { - var arrayElementType = getUnionType(type.elementTypes, true); - var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); - var members = createTupleTypeMemberSymbols(type.elementTypes); - addInheritedMembers(members, arrayType.properties); - setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); - } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } - } - } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - if (listIndex > 0) { - return undefined; - } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, false, false)) { - return undefined; - } - } - return [signature]; - } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true); - if (!match) { - return undefined; - } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); - } - } - return result; - } - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - if (!result || !findMatchingSignature(result, signature, false, true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } - } - } - } - return result || emptyArray; - } - function getUnionIndexType(types, kind) { - var indexTypes = []; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexType = getIndexTypeOfType(type, kind); - if (!indexType) { - return undefined; - } - indexTypes.push(indexType); - } - return getUnionType(indexTypes); - } - function resolveUnionTypeMembers(type) { - var callSignatures = getUnionSignatures(type.types, 0); - var constructSignatures = getUnionSignatures(type.types, 1); - var stringIndexType = getUnionIndexType(type.types, 0); - var numberIndexType = getUnionIndexType(type.types, 1); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); - } - function resolveIntersectionTypeMembers(type) { - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexType = undefined; - var numberIndexType = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); - stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0)); - numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1)); - } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); - var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0), type.mapper); - var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else if (symbol.flags & 2048) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexType = getIndexTypeOfSymbol(symbol, 0); - var numberIndexType = getIndexTypeOfSymbol(symbol, 1); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else { - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 80896) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexType = (symbol.flags & 384) ? stringType : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); - if (symbol.flags & (16 | 8192)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } - } - } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 4096) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (1024 | 2048)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 65536) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 8192) { - resolveTupleTypeMembers(type); - } - else if (type.flags & 16384) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 32768) { - resolveIntersectionTypeMembers(type); - } - } - return type; - } - function getPropertiesOfObjectType(type) { - if (type.flags & 80896) { - return resolveStructuredTypeMembers(type).properties; - } - return emptyArray; - } - function getPropertyOfObjectType(type, name) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - } - } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getPropertyOfUnionOrIntersectionType(type, prop.name); - } - if (type.flags & 16384) { - break; - } - } - return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 49152 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); - } - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 512) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); - } - return type.resolvedApparentType; - } - function getApparentType(type) { - if (type.flags & 512) { - type = getApparentTypeOfTypeParameter(type); - } - if (type.flags & 258) { - type = globalStringType; - } - else if (type.flags & 132) { - type = globalNumberType; - } - else if (type.flags & 8) { - type = globalBooleanType; - } - else if (type.flags & 16777216) { - type = globalESSymbolType; - } - return type; - } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - var commonFlags = (containingType.flags & 32768) ? 536870912 : 0; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 | 32))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - } - else if (containingType.flags & 16384) { - return undefined; - } - } - } - if (!props) { - return undefined; - } - if (props.length === 1) { - return props[0]; - } - var propTypes = []; - var declarations = []; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - propTypes.push(getTypeOfSymbol(prop)); - } - var result = createSymbol(4 | - 67108864 | - 268435456 | - commonFlags, name); - result.containingType = containingType; - result.declarations = declarations; - result.type = containingType.flags & 16384 ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; - } - function getPropertyOfUnionOrIntersectionType(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = {}); - if (ts.hasProperty(properties, name)) { - return properties[name]; - } - var property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; - } - return property; - } - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol = getPropertyOfObjectType(globalFunctionType, name); - if (symbol) { - return symbol; - } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 49152) { - return getPropertyOfUnionOrIntersectionType(type, name); - } - return undefined; - } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 130048) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; - } - return emptyArray; - } - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); - } - function getIndexTypeOfStructuredType(type, kind) { - if (type.flags & 130048) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.stringIndexType : resolved.numberIndexType; - } - } - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); - } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.parserContextFlags & 32) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } - } - return undefined; - } - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; - } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); - } - } - return result; - } - function isOptionalParameter(node) { - if (node.parserContextFlags & 32) { - if (node.type && node.type.kind === 263) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 263; - } - } - } - if (ts.hasQuestionToken(node)) { - return true; - } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; - } - return false; - } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 69) { - var parameterName = node.parameterName; - return { - kind: 1, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; - } - else { - return { - kind: 0, - type: getTypeFromTypeNode(node.type) - }; - } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var classType = declaration.kind === 145 ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var parameters = []; - var hasStringLiterals = false; - var minArgumentCount = -1; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - var returnType = undefined; - var typePredicate = undefined; - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); - paramSymbol = resolvedSymbol; - } - parameters.push(paramSymbol); - if (param.type && param.type.kind === 163) { - hasStringLiterals = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken) { - if (minArgumentCount < 0) { - minArgumentCount = i; - } - } - else { - minArgumentCount = -1; - } - } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length; - } - if (isJSConstructSignature) { - minArgumentCount--; - returnType = getTypeFromTypeNode(declaration.parameters[0].type); - } - else if (classType) { - returnType = classType; - } - else if (declaration.type) { - returnType = getTypeFromTypeNode(declaration.type); - if (declaration.type.kind === 151) { - typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); - } - } - else { - if (declaration.parserContextFlags & 32) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - returnType = type; - } - } - if (declaration.kind === 146 && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 147); - returnType = getAnnotatedAccessorType(setter); - } - if (!returnType && ts.nodeIsMissing(declaration.body)) { - returnType = anyType; - } - } - links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); - } - return links.resolvedSignature; - } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 153: - case 154: - case 216: - case 144: - case 143: - case 145: - case 148: - case 149: - case 150: - case 146: - case 147: - case 176: - case 177: - case 264: - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); - } - } - return result; - } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); - } - } - return anyType; - } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; - } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 4096 && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; - } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); - } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - if (signature.target) { - signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); - } - else { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); - } - } - return signature.erasedSignatureCache; - } - function getOrCreateTypeFromSignature(signature) { - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 145 || signature.declaration.kind === 149; - var type = createObjectType(65536 | 262144); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; - } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; - } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 ? 128 : 130; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } - } - return undefined; - } - function getIndexTypeOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - return declaration - ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType - : undefined; - } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 138).constraint; - } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && !(type.flags & 33554432) && type.flags & 512 && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; - } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; - } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138).parent); - } - function getTypeListId(types) { - if (types) { - switch (types.length) { - case 1: - return "" + types[0].id; - case 2: - return types[0].id + "," + types[1].id; - default: - var result = ""; - for (var i = 0; i < types.length; i++) { - if (i > 0) { - result += ","; - } - result += types[i].id; - } - return result; - } - } - return ""; - } - function getPropagatingFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - result |= type.flags; - } - return result & 14680064; - } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var flags = 4096 | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; - } - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); - return unknownType; - } - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; - } - return type; - } - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return type; - } - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return getDeclaredTypeOfSymbol(symbol); - } - function getTypeReferenceName(node) { - switch (node.kind) { - case 152: - return node.typeName; - case 262: - return node.name; - case 191: - if (ts.isSupportedExpressionWithTypeArguments(node)) { - return node.expression; - } - } - return undefined; - } - function resolveTypeReferenceName(node, typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793056) || unknownSymbol; - } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 | 64)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 && node.kind === 262) { - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); - } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 262) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(node, typeReferenceName); - type = getTypeReferenceType(node, symbol); - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - else { - var typeNameOrExpression = node.kind === 152 ? node.typeName : - ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : - undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; - } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; - } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 217: - case 218: - case 220: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 80896)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; - } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; - } - return type; - } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793056, ts.Diagnostics.Cannot_find_global_type_0); - } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); - } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); - } - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1536, undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); - } - function getGlobalESSymbolConstructorSymbol() { - return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); - } - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; - } - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; - } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(globalIterableType, [elementType]); - } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); - } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); - } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; - } - function createTupleType(elementTypes) { - var id = getTypeListId(elementTypes); - return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); - } - function createNewTupleType(elementTypes) { - var type = createObjectType(8192 | getPropagatingFlagsOfTypes(elementTypes)); - type.elementTypes = elementTypes; - return type; - } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function addTypeToSet(typeSet, type, typeSetKind) { - if (type.flags & typeSetKind) { - addTypesToSet(typeSet, type.types, typeSetKind); - } - else if (!ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - function addTypesToSet(typeSet, types, typeSetKind) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToSet(typeSet, type, typeSetKind); - } - } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; - } - } - return false; - } - function removeSubtypes(types) { - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - types.splice(i, 1); - } - } - } - function containsTypeAny(types) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var type = types_5[_i]; - if (isTypeAny(type)) { - return true; - } - } - return false; - } - function removeAllButLast(types, typeToRemove) { - var i = types.length; - while (i > 0 && types.length > 1) { - i--; - if (types[i] === typeToRemove) { - types.splice(i, 1); - } - } - } - function getUnionType(types, noSubtypeReduction) { - if (types.length === 0) { - return emptyUnionType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 16384); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (noSubtypeReduction) { - removeAllButLast(typeSet, undefinedType); - removeAllButLast(typeSet, nullType); - } - else { - removeSubtypes(typeSet); - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = unionTypes[id]; - if (!type) { - type = unionTypes[id] = createObjectType(16384 | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromUnionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), true); - } - return links.resolvedType; - } - function getIntersectionType(types) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 32768); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - type = intersectionTypes[id] = createObjectType(32768 | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromIntersectionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createObjectType(65536, node.symbol); - } - return links.resolvedType; - } - function getStringLiteralTypeForText(text) { - if (ts.hasProperty(stringLiteralTypes, text)) { - return stringLiteralTypes[text]; - } - var type = stringLiteralTypes[text] = createType(256); - type.text = text; - return type; - } - function getTypeFromStringLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getStringLiteralTypeForText(node.text); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNode); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 218)) { - if (!(container.flags & 64) && - (container.kind !== 145 || ts.isNodeDescendentOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; - } - } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNode(node) { - switch (node.kind) { - case 117: - case 253: - case 254: - return anyType; - case 130: - return stringType; - case 128: - return numberType; - case 120: - return booleanType; - case 131: - return esSymbolType; - case 103: - return voidType; - case 162: - return getTypeFromThisTypeNode(node); - case 163: - return getTypeFromStringLiteralTypeNode(node); - case 152: - case 262: - return getTypeFromTypeReference(node); - case 151: - return booleanType; - case 191: - return getTypeFromTypeReference(node); - case 155: - return getTypeFromTypeQueryNode(node); - case 157: - case 255: - return getTypeFromArrayTypeNode(node); - case 158: - return getTypeFromTupleTypeNode(node); - case 159: - case 256: - return getTypeFromUnionTypeNode(node); - case 160: - return getTypeFromIntersectionTypeNode(node); - case 161: - case 258: - case 259: - case 266: - case 267: - case 263: - return getTypeFromTypeNode(node.type); - case 153: - case 154: - case 156: - case 264: - case 260: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - case 69: - case 136: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 257: - return getTypeFromJSDocTupleType(node); - case 265: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } - } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); - } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createTypeMapper(sources, targets) { - switch (sources.length) { - case 1: return createUnaryTypeMapper(sources[0], targets[0]); - case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); - } - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets[i]; - } - } - return t; - }; - } - function createUnaryTypeEraser(source) { - return function (t) { return t === source ? anyType : t; }; - } - function createBinaryTypeEraser(source1, source2) { - return function (t) { return t === source1 || t === source2 ? anyType : t; }; - } - function createTypeEraser(sources) { - switch (sources.length) { - case 1: return createUnaryTypeEraser(sources[0]); - case 2: return createBinaryTypeEraser(sources[0], sources[1]); - } - return function (t) { - for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { - var source = sources_1[_i]; - if (t === source) { - return anyType; - } - } - return t; - }; - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.context = context; - context.mapper = mapper; - } - return context.mapper; - } - function identityMapper(type) { - return type; - } - function combineTypeMappers(mapper1, mapper2) { - return function (t) { return instantiateType(mapper1(t), mapper2); }; - } - function cloneTypeParameter(typeParameter) { - var result = createType(512); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; - } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0, - type: instantiateType(predicate.type, mapper) - }; - } - } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; - } - } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); - } - var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); - result.target = signature; - result.mapper = mapper; - return result; - } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216) { - var links = getSymbolLinks(symbol); - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); - } - var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; - } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; - } - } - else { - mapper.instantiations = []; - } - var result = createObjectType(65536 | 131072, type.symbol); - result.target = type; - result.mapper = mapper; - mapper.instantiations[type.id] = result; - return result; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 512) { - return mapper(type); - } - if (type.flags & 65536) { - return type.symbol && type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 4096) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 8192) { - return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); - } - if (type.flags & 16384) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), true); - } - if (type.flags & 32768) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); - } - } - return type; - } - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 176: - case 177: - return isContextSensitiveFunctionLikeDeclaration(node); - case 168: - return ts.forEach(node.properties, isContextSensitive); - case 167: - return ts.forEach(node.elements, isContextSensitive); - case 185: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 184: - return node.operatorToken.kind === 52 && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 248: - return isContextSensitive(node.initializer); - case 144: - case 143: - return isContextSensitiveFunctionLikeDeclaration(node); - case 175: - return isContextSensitive(node.expression); - } - return false; - } - function isContextSensitiveFunctionLikeDeclaration(node) { - return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); - } - function getTypeWithoutSignatures(type) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(65536, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; - } - } - return type; - } - function isTypeIdenticalTo(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, undefined); - } - function compareTypesIdentical(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 : 0; - } - function compareTypesAssignable(source, target) { - return checkTypeRelatedTo(source, target, assignableRelation, undefined) ? -1 : 0; - } - function isTypeSubtypeOf(source, target) { - return checkTypeSubtypeOf(source, target, undefined); - } - function isTypeAssignableTo(source, target) { - return checkTypeAssignableTo(source, target, undefined); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; - } - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - if (source === target) { - return -1; - } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(t, s, false) || compareTypes(s, t, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; - } - var sourceReturnType = getReturnTypeOfSignature(source); - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0; - } - } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); - } - } - return result; - } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; - } - if (source.kind === 1) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; - } - } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return related; - } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, undefined) - || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, undefined)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, true); - } - return false; - } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; - } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; - } - else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); - } - } - else { - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; - } - } - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); - } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); - } - return result !== 0; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, undefined, 128); - targetType = typeToString(target, undefined, 128); - } - reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); - } - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - if (source === target) - return -1; - if (relation === identityRelation) { - return isIdenticalTo(source, target); - } - if (isTypeAny(target)) - return -1; - if (source === undefinedType) - return -1; - if (source === nullType && target !== undefinedType) - return -1; - if (source.flags & 128 && target === numberType) - return -1; - if (source.flags & 128 && target.flags & 128) { - if (result = enumRelatedTo(source, target)) { - return result; - } - } - if (source.flags & 256 && target === stringType) - return -1; - if (relation === assignableRelation) { - if (isTypeAny(source)) - return -1; - if (source === numberType && target.flags & 128) - return -1; - } - if (source.flags & 8 && target.flags & 8) { - return -1; - } - if (source.flags & 1048576) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - if (target.flags & 49152) { - source = getRegularTypeOfObjectLiteral(source); - } - } - var saveErrorInfo = errorInfo; - if (source.flags & 16384) { - if (result = eachTypeRelatedToType(source, target, reportErrors)) { - return result; - } - } - else if (target.flags & 32768) { - if (result = typeRelatedToEachType(source, target, reportErrors)) { - return result; - } - } - else { - if (source.flags & 32768) { - if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384))) { - return result; - } - } - if (target.flags & 16384) { - if (result = typeRelatedToSomeType(source, target, reportErrors)) { - return result; - } - } - } - if (source.flags & 512) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1) { - constraint = emptyObjectType; - } - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - else { - if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } - } - var apparentSource = getApparentType(source); - if (apparentSource.flags & (80896 | 32768) && target.flags & 80896) { - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - } - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 80896 && target.flags & 80896) { - if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, false)) { - return result; - } - } - return objectTypeRelatedTo(source, source, target, false); - } - if (source.flags & 16384 && target.flags & 16384 || - source.flags & 32768 && target.flags & 32768) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { - return result; - } - } - } - return 0; - } - function isKnownProperty(type, name) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || - resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { - return true; - } - } - else if (type.flags & 49152) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } - } - } - return false; - } - function hasExcessProperties(source, target, reportErrors) { - if (!(target.flags & 67108864) && someConstituentTypeHasKind(target, 80896)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); - } - return true; - } - } - } - return false; - } - function eachTypeRelatedToSomeType(source, target) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, false); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - for (var i = 0, len = targetTypes.length; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - for (var i = 0, len = sourceTypes.length; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0; - } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0; - } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2) { - relation[id] = 3; - } - else { - return related === 1 ? -1 : 0; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - if (maybeStack[i][id]) { - return 1; - } - } - if (depth === 100) { - overflow = true; - return 0; - } - } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = {}; - maybeStack[depth][id] = 1; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1, reportErrors); - if (result) { - result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); - if (result) { - result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); - } - } - } - } - } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyMap(maybeCache, destinationCache); - } - else { - relation[id] = reportErrors ? 3 : 2; - } - return result; - } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288); - for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { - var targetProp = properties_1[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0; - } - } - else if (!(targetProp.flags & 134217728)) { - var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); - if (sourcePropFlags & 16 || targetPropFlags & 16) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 16 && targetPropFlags & 16) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 ? source : target), typeToString(sourcePropFlags & 16 ? target : source)); - } - } - return 0; - } - } - else if (targetPropFlags & 32) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0; - } - } - else if (sourcePropFlags & 32) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0; - } - result &= related; - if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - } - } - } - return result; - } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 80896 && target.flags & 80896)) { - return 0; - } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0; - } - var result = -1; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0; - } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); - } - if (target === anyFunctionType || source === anyFunctionType) { - return -1; - } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 && sourceSignatures.length && targetSignatures.length && - isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); - } - return 0; - } - var result = -1; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - if (!t.hasStringLiterals || target.flags & 262144) { - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - if (!s.hasStringLiterals || source.flags & 262144) { - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; - } - shouldElaborateErrors = false; - } - } - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); - } - return 0; - } - } - return result; - } - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0; - } - var result = -1; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, isRelatedTo); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(0, source, target); - } - var targetType = getIndexTypeOfType(target, 0); - if (targetType) { - if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { - return -1; - } - var sourceType = getIndexTypeOfType(source, 0); - if (!sourceType) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - var related = isRelatedTo(sourceType, targetType, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0; - } - return related; - } - return -1; - } - function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(1, source, target); - } - var targetType = getIndexTypeOfType(target, 1); - if (targetType) { - if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { - return -1; - } - var sourceStringType = getIndexTypeOfType(source, 0); - var sourceNumberType = getIndexTypeOfType(source, 1); - if (!(sourceStringType || sourceNumberType)) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - var related = void 0; - if (sourceStringType && sourceNumberType) { - related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors); - } - else { - related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); - } - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0; - } - return related; - } - return -1; - } - function indexTypesIdenticalTo(indexKind, source, target) { - var targetType = getIndexTypeOfType(target, indexKind); - var sourceType = getIndexTypeOfType(source, indexKind); - if (!sourceType && !targetType) { - return -1; - } - if (sourceType && targetType) { - return isRelatedTo(sourceType, targetType); - } - return 0; - } - function enumRelatedTo(source, target) { - if (source.symbol.name !== target.symbol.name || - source.symbol.flags & 128 || - target.symbol.flags & 128) { - return 0; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8)) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); - return 0; - } - } - } - return -1; - } - } - function isAbstractConstructorType(type) { - if (type.flags & 65536) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && declaration.flags & 128) { - return true; - } - } - } - return false; - } - function isDeeplyNestedGeneric(type, stack, depth) { - if (type.flags & (4096 | 131072) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (4096 | 131072) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; - } - } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - if (sourceProp === targetProp) { - return -1; - } - var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 | 32); - var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 | 32); - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0; - } - } - else { - if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { - return 0; - } - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || - source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { - if (source === target) { - return -1; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0; - } - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - if (candidate !== type && !isTypeSubtypeOf(type, candidate)) - return false; - } - return true; - } - function getCommonSupertype(types) { - return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; - } - else if (!downfallType) { - downfallType = types[j]; - } - } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; - } - if (bestSupertypeScore === types.length - 1) { - break; - } - } - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 4096 && type.target === globalArrayType; - } - function isArrayLikeType(type) { - return !(type.flags & (32 | 64)) && isTypeAssignableTo(type, anyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isStringLiteralType(type) { - return type.flags & 256; - } - function isTupleType(type) { - return !!(type.flags & 8192); - } - function getRegularTypeOfObjectLiteral(type) { - if (type.flags & 1048576) { - var regularType = type.regularType; - if (!regularType) { - regularType = createType(type.flags & ~1048576); - regularType.symbol = type.symbol; - regularType.members = type.members; - regularType.properties = type.properties; - regularType.callSignatures = type.callSignatures; - regularType.constructSignatures = type.constructSignatures; - regularType.stringIndexType = type.stringIndexType; - regularType.numberIndexType = type.numberIndexType; - type.regularType = regularType; - } - return regularType; - } - return type; - } - function getWidenedTypeOfObjectLiteral(type) { - var properties = getPropertiesOfObjectType(type); - var members = {}; - ts.forEach(properties, function (p) { - var propType = getTypeOfSymbol(p); - var widenedType = getWidenedType(propType); - if (propType !== widenedType) { - var symbol = createSymbol(p.flags | 67108864, p.name); - symbol.declarations = p.declarations; - symbol.parent = p.parent; - symbol.type = widenedType; - symbol.target = p; - if (p.valueDeclaration) - symbol.valueDeclaration = p.valueDeclaration; - p = symbol; - } - members[p.name] = p; - }); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType) - stringIndexType = getWidenedType(stringIndexType); - if (numberIndexType) - numberIndexType = getWidenedType(numberIndexType); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); - } - function getWidenedType(type) { - if (type.flags & 6291456) { - if (type.flags & (32 | 64)) { - return anyType; - } - if (type.flags & 524288) { - return getWidenedTypeOfObjectLiteral(type); - } - if (type.flags & 16384) { - return getUnionType(ts.map(type.types, getWidenedType), true); - } - if (isArrayType(type)) { - return createArrayType(getWidenedType(type.typeArguments[0])); - } - if (isTupleType(type)) { - return createTupleType(ts.map(type.elementTypes, getWidenedType)); - } - } - return type; - } - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 16384) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (isArrayType(type)) { - return reportWideningErrorsInType(type.typeArguments[0]); - } - if (isTupleType(type)) { - for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (type.flags & 524288) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 2097152) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } - } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 142: - case 141: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 139: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 216: - case 144: - case 143: - case 146: - case 147: - case 176: - case 177: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152) { - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); - } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = sourceMax > targetMax ? sourceMax : targetMax; - sourceMax--; - targetMax--; - } - else if (source.hasRestParameter) { - sourceMax--; - count = targetMax; - } - else if (target.hasRestParameter) { - targetMax--; - count = sourceMax; - } - else { - count = sourceMax < targetMax ? sourceMax : targetMax; - } - for (var i = 0; i < count; i++) { - var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); - callback(s, t); - } - } - function createInferenceContext(typeParameters, inferUnionTypes) { - var inferences = ts.map(typeParameters, createTypeInferencesObject); - return { - typeParameters: typeParameters, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(typeParameters.length) - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - isFixed: false - }; - } - function inferTypes(context, source, target) { - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - inferFromTypes(source, target); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; - } - } - return false; - } - function inferFromTypes(source, target) { - if (source.flags & 16384 && target.flags & 16384 || - source.flags & 32768 && target.flags & 32768) { - var matchingTypes = void 0; - for (var _i = 0, _a = target.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (typeIdenticalToSomeType(t, source.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - } - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); - } - } - if (target.flags & 512) { - if (source.flags & 8388608) { - return; - } - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - } - return; - } - } - } - else if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (source.flags & 8192 && target.flags & 8192 && source.elementTypes.length === target.elementTypes.length) { - var sourceTypes = source.elementTypes; - var targetTypes = target.elementTypes; - for (var i = 0; i < sourceTypes.length; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (target.flags & 49152) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { - var t = targetTypes_2[_b]; - if (t.flags & 512 && ts.contains(context.typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - if (target.flags & 16384 && typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; - } - } - else if (source.flags & 49152) { - var sourceTypes = source.types; - for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { - var sourceType = sourceTypes_3[_c]; - inferFromTypes(sourceType, target); - } - } - else { - source = getApparentType(source); - if (source.flags & 80896 && (target.flags & 4096 && target.typeArguments || - target.flags & 8192 || - target.flags & 65536 && target.symbol && target.symbol.flags & (8192 | 2048 | 32))) { - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0); - inferFromSignatures(source, target, 1); - inferFromIndexTypes(source, target, 0, 0); - inferFromIndexTypes(source, target, 1, 1); - inferFromIndexTypes(source, target, 0, 1); - depth--; - } - } - } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); - } - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); - } - else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - } - function inferFromIndexTypes(source, target, sourceKind, targetKind) { - var targetIndexType = getIndexTypeOfType(target, targetKind); - if (targetIndexType) { - var sourceIndexType = getIndexTypeOfType(source, sourceKind); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetIndexType); - } - } - } - } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } - } - return false; - } - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); - } - } - return type.flags & 16384 ? getUnionType(reducedTypes, true) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; - } - } - } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - context.failedTypeParameterIndex = index; - } - } - return inferredType; - } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); - } - return context.inferredTypes; - } - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; - } - return links.resolvedSymbol; - } - function isInTypeQuery(node) { - while (node) { - switch (node.kind) { - case 155: - return true; - case 69: - case 136: - node = node.parent; - continue; - default: - return false; - } - } - ts.Debug.fail("should not get here"); - } - function hasInitializer(node) { - return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); - } - function isVariableAssignedWithin(symbol, node) { - var links = getNodeLinks(node); - if (links.assignmentChecks) { - var cachedResult = links.assignmentChecks[symbol.id]; - if (cachedResult !== undefined) { - return cachedResult; - } - } - else { - links.assignmentChecks = {}; - } - return links.assignmentChecks[symbol.id] = isAssignedIn(node); - function isAssignedInBinaryExpression(node) { - if (node.operatorToken.kind >= 56 && node.operatorToken.kind <= 68) { - var n = skipParenthesizedNodes(node.left); - if (n.kind === 69 && getResolvedSymbol(n) === symbol) { - return true; - } - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedInVariableDeclaration(node) { - if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { - return true; - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedIn(node) { - switch (node.kind) { - case 184: - return isAssignedInBinaryExpression(node); - case 214: - case 166: - return isAssignedInVariableDeclaration(node); - case 164: - case 165: - case 167: - case 168: - case 169: - case 170: - case 171: - case 172: - case 174: - case 192: - case 175: - case 182: - case 178: - case 181: - case 179: - case 180: - case 183: - case 187: - case 185: - case 188: - case 195: - case 196: - case 198: - case 199: - case 200: - case 201: - case 202: - case 203: - case 204: - case 207: - case 208: - case 209: - case 244: - case 245: - case 210: - case 211: - case 212: - case 247: - case 236: - case 237: - case 241: - case 242: - case 238: - case 243: - return ts.forEachChild(node, isAssignedIn); - } - return false; - } - } - function getNarrowedTypeOfSymbol(symbol, node) { - var type = getTypeOfSymbol(symbol); - if (node && symbol.flags & 3) { - if (isTypeAny(type) || type.flags & (80896 | 16384 | 512)) { - var declaration = ts.getDeclarationOfKind(symbol, 214); - var top_1 = declaration && getDeclarationContainer(declaration); - var originalType = type; - var nodeStack = []; - loop: while (node.parent) { - var child = node; - node = node.parent; - switch (node.kind) { - case 199: - case 185: - case 184: - nodeStack.push({ node: node, child: child }); - break; - case 251: - case 221: - break loop; - } - if (node === top_1) { - break; - } - } - var nodes = void 0; - while (nodes = nodeStack.pop()) { - var node_1 = nodes.node, child = nodes.child; - switch (node_1.kind) { - case 199: - if (child !== node_1.expression) { - type = narrowType(type, node_1.expression, child === node_1.thenStatement); - } - break; - case 185: - if (child !== node_1.condition) { - type = narrowType(type, node_1.condition, child === node_1.whenTrue); - } - break; - case 184: - if (child === node_1.right) { - if (node_1.operatorToken.kind === 51) { - type = narrowType(type, node_1.left, true); - } - else if (node_1.operatorToken.kind === 52) { - type = narrowType(type, node_1.left, false); - } - } - break; - default: - ts.Debug.fail("Unreachable!"); - } - if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { - type = originalType; - } - } - if (type === emptyUnionType) { - type = originalType; - } - } - } - return type; - function narrowTypeByEquality(type, expr, assumeTrue) { - if (expr.left.kind !== 179 || expr.right.kind !== 9) { - return type; - } - var left = expr.left; - var right = expr.right; - if (left.expression.kind !== 69 || getResolvedSymbol(left.expression) !== symbol) { - return type; - } - if (expr.operatorToken.kind === 33) { - assumeTrue = !assumeTrue; - } - var typeInfo = primitiveTypeInfo[right.text]; - if (typeInfo && typeInfo.type === undefinedType) { - return type; - } - var flags; - if (typeInfo) { - flags = typeInfo.flags; - } - else { - assumeTrue = !assumeTrue; - flags = 132 | 258 | 16777216 | 8; - } - if (!(type.flags & 16384)) { - if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { - return typeInfo.type; - } - return filterUnion(type) ? type : emptyUnionType; - } - return getUnionType(ts.filter(type.types, filterUnion), true); - function filterUnion(type) { - return assumeTrue === !!(type.flags & flags); - } - } - function narrowTypeByAnd(type, expr, assumeTrue) { - if (assumeTrue) { - return narrowType(narrowType(type, expr.left, true), expr.right, true); - } - else { - return getUnionType([ - narrowType(type, expr.left, false), - narrowType(type, expr.right, false) - ]); - } - } - function narrowTypeByOr(type, expr, assumeTrue) { - if (assumeTrue) { - return getUnionType([ - narrowType(type, expr.left, true), - narrowType(type, expr.right, true) - ]); - } - else { - return narrowType(narrowType(type, expr.left, false), expr.right, false); - } - } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - if (isTypeAny(type) || expr.left.kind !== 69 || getResolvedSymbol(expr.left) !== symbol) { - return type; - } - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; - } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } - } - if (!targetType) { - var constructSignatures = void 0; - if (rightType.flags & 2048) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 65536) { - constructSignatures = getSignaturesOfType(rightType, 1); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } - } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); - } - return type; - } - function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { - if (!assumeTrue) { - if (originalType.flags & 16384) { - return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); - } - return originalType; - } - if (originalType.flags & 16384) { - var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); - if (assignableConstituents.length) { - return getUnionType(assignableConstituents); - } - } - if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { - return narrowedTypeCandidate; - } - return originalType; - } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (type.flags & 1) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (ts.isIdentifierTypePredicate(predicate)) { - if (callExpression.arguments[predicate.parameterIndex] && - getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); - } - return type; - } - function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { - if (invokedExpression.kind === 170 || invokedExpression.kind === 169) { - var accessExpression = invokedExpression; - var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); - if (possibleIdentifier.kind === 69 && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - return type; - } - function getSymbolAtTypePredicatePosition(expr) { - expr = skipParenthesizedNodes(expr); - switch (expr.kind) { - case 69: - case 169: - return getSymbolOfEntityNameOrPropertyAccessExpression(expr); - } - } - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 171: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 175: - return narrowType(type, expr.expression, assumeTrue); - case 184: - var operator = expr.operatorToken.kind; - if (operator === 32 || operator === 33) { - return narrowTypeByEquality(type, expr, assumeTrue); - } - else if (operator === 51) { - return narrowTypeByAnd(type, expr, assumeTrue); - } - else if (operator === 52) { - return narrowTypeByOr(type, expr, assumeTrue); - } - else if (operator === 91) { - return narrowTypeByInstanceof(type, expr, assumeTrue); - } - break; - case 182: - if (expr.operator === 49) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; - } - return type; - } - } - function skipParenthesizedNodes(expression) { - while (expression.kind === 175) { - expression = expression.expression; - } - return expression; - } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (container.kind === 177) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - } - if (node.parserContextFlags & 8) { - getNodeLinks(container).flags |= 8192; - } - } - if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); - } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - if (languageVersion === 2 - && localOrExportSymbol.flags & 32 - && localOrExportSymbol.valueDeclaration.kind === 217 - && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { - getNodeLinks(container).flags |= 524288; - getNodeLinks(node).flags |= 1048576; - break; - } - container = ts.getContainingClass(container); - } - } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - return getNarrowedTypeOfSymbol(localOrExportSymbol, node); - } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; - } - current = current.parent; - } - return false; - } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 || - (symbol.flags & (2 | 32)) === 0 || - symbol.valueDeclaration.parent.kind === 247) { - return; - } - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, false)) { - containedInIterationStatement = true; - break; - } - current = current.parent; - } - if (containedInIterationStatement) { - if (usedInFunction) { - getNodeLinks(current).flags |= 65536; - } - if (container.kind === 202 && - ts.getAncestor(symbol.valueDeclaration, 215).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152; - } - getNodeLinks(symbol.valueDeclaration).flags |= 262144; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072; - } - } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - while (current.parent.kind === 175) { - current = current.parent; - } - var isAssigned = false; - if (current.parent.kind === 184) { - isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); - } - if ((current.parent.kind === 182 || current.parent.kind === 183)) { - var expr = current.parent; - isAssigned = expr.operator === 41 || expr.operator === 42; - } - if (!isAssigned) { - return false; - } - while (current !== container) { - if (current === container.statement) { - return true; - } - else { - current = current.parent; - } - } - return false; - } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2; - if (container.kind === 142 || container.kind === 145) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4; - } - else { - getNodeLinks(container).flags |= 4; - } - } - function findFirstSuperCall(n) { - if (ts.isSuperCallExpression(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; - } - return ts.forEachChild(n, findFirstSuperCall); - } - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; - } - return links.superCall; - } - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullType; - } - function checkThisExpression(node) { - var container = ts.getThisContainer(node, true); - var needToCaptureLexicalThis = false; - if (container.kind === 145) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - if (!superCall || superCall.end > node.pos) { - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); - } - } - } - if (container.kind === 177) { - container = ts.getThisContainer(container, false); - needToCaptureLexicalThis = (languageVersion < 2); - } - switch (container.kind) { - case 221: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - break; - case 220: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - break; - case 145: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); - } - break; - case 142: - case 141: - if (container.flags & 64) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); - } - break; - case 137: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - return container.flags & 64 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); - if (type && type !== unknownType) { - return type; - } - if (container.kind === 176) { - if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { - var className = container.parent - .left - .expression - .expression; - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { - return getInferredClassType(classSymbol); - } - } - } - } - return anyType; - } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); - } - } - } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 139) { - return true; - } - } - return false; - } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 171 && node.parent.expression === node; - var container = ts.getSuperContainer(node, true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - while (container && container.kind === 177) { - container = ts.getSuperContainer(container, true); - needToCaptureLexicalThis = languageVersion < 2; - } - } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - var current = node; - while (current && current !== container && current.kind !== 137) { - current = current.parent; - } - if (current && current.kind === 137) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); - } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); - } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); - } - else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((container.flags & 64) || isCallExpression) { - nodeCheckFlag = 512; - } - else { - nodeCheckFlag = 256; - } - getNodeLinks(node).flags |= nodeCheckFlag; - if (container.kind === 144 && container.flags & 256) { - if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096; - } - else { - getNodeLinks(container).flags |= 2048; - } - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 168) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - return anyType; - } - } - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; - } - if (container.kind === 145 && isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; - } - return nodeCheckFlag === 512 - ? getBaseConstructorTypeOfClass(classType) - : baseClassType; - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - return container.kind === 145; - } - else { - if (ts.isClassLike(container.parent) || container.parent.kind === 168) { - if (container.flags & 64) { - return container.kind === 144 || - container.kind === 143 || - container.kind === 146 || - container.kind === 147; - } - else { - return container.kind === 144 || - container.kind === 143 || - container.kind === 146 || - container.kind === 147 || - container.kind === 142 || - container.kind === 141 || - container.kind === 145; - } - } - } - return false; - } - } - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { - if (isContextSensitive(func)) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); - } - } - } - } - return undefined; - } - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, true); - } - } - return undefined; - } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (func && !func.asteriskToken) { - return getContextualReturnType(func); - } - return undefined; - } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); - } - } - return undefined; - } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 139 && node.parent.initializer === node) { - return true; - } - node = node.parent; - } - return false; - } - function getContextualReturnType(functionDecl) { - if (functionDecl.type || - functionDecl.kind === 145 || - functionDecl.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); - } - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); - } - return undefined; - } - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedSignature(callTarget); - return getTypeAtPosition(signature, argIndex); - } - return undefined; - } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 173) { - return getContextualTypeForArgument(template.parent, substitutionExpression); - } - return undefined; - } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 56 && operator <= 68) { - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } - } - else if (operator === 52) { - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; - } - else if (operator === 51 || operator === 24) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); - } - } - return undefined; - } - function applyToContextualType(type, mapper) { - if (!(type.flags & 16384)) { - return mapper(type); - } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var current = types_8[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); - } - } - } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; - } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 130048 ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); - } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); - } - function contextualTypeIsStringLiteralType(type) { - return !!(type.flags & 16384 ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); - } - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 16384 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); - } - function contextualTypeHasIndexSignature(type, kind) { - return !!(type.flags & 16384 ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); - } - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); - } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || - getIndexTypeOfContextualType(type, 0); - } - return undefined; - } - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1) - || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); - } - return undefined; - } - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; - } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 241) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; - } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); - } - else if (attribute.kind === 242) { - return attrsType; - } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); - } - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); - } - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (node.contextualType) { - return node.contextualType; - } - var parent = node.parent; - switch (parent.kind) { - case 214: - case 139: - case 142: - case 141: - case 166: - return getContextualTypeForInitializerExpression(node); - case 177: - case 207: - return getContextualTypeForReturnExpression(node); - case 187: - return getContextualTypeForYieldOperand(parent); - case 171: - case 172: - return getContextualTypeForArgument(parent, node); - case 174: - case 192: - return getTypeFromTypeNode(parent.type); - case 184: - return getContextualTypeForBinaryOperand(node); - case 248: - return getContextualTypeForObjectLiteralElement(parent); - case 167: - return getContextualTypeForElementExpression(node); - case 185: - return getContextualTypeForConditionalOperand(node); - case 193: - ts.Debug.assert(parent.parent.kind === 186); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 175: - return getContextualType(parent); - case 243: - return getContextualType(parent); - case 241: - case 242: - return getContextualTypeForJsxAttribute(parent); - } - return undefined; - } - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; - } - } - } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 176 || node.kind === 177; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var type = ts.isObjectLiteralMethod(node) - ? getContextualTypeForObjectLiteralMethod(node) - : getApparentTypeOfContextualType(node); - if (!type) { - return undefined; - } - if (!(type.flags & 16384)) { - return getNonGenericSignature(type); - } - var signatureList; - var types = type.types; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var current = types_9[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, compareTypesIdentical)) { - return undefined; - } - else { - signatureList.push(signature); - } - } - } - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; - } - return result; - } - function isInferentialContext(mapper) { - return mapper && mapper.context; - } - function isAssignmentTarget(node) { - var parent = node.parent; - if (parent.kind === 184 && parent.operatorToken.kind === 56 && parent.left === node) { - return true; - } - if (parent.kind === 248) { - return isAssignmentTarget(parent.parent); - } - if (parent.kind === 167) { - return isAssignmentTarget(parent); - } - return false; - } - function checkSpreadElementExpression(node, contextualMapper) { - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); - } - function hasDefaultValue(node) { - return (node.kind === 166 && !!node.initializer) || - (node.kind === 184 && node.operatorToken.kind === 56); - } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 188) { - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1) || - (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpression(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 188; - } - if (!hasSpreadElement) { - if (inDestructuringPattern && elementTypes.length) { - var type = createNewTupleType(elementTypes); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - if (pattern && (pattern.kind === 165 || pattern.kind === 167)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.elementTypes[i]); - } - else { - if (patternElement.kind !== 190) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } - } - } - return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); - } - function isNumericName(name) { - return name.kind === 137 ? isNumericComputedName(name) : isNumericLiteralName(name.text); - } - function isNumericComputedName(name) { - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132); - } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); - } - function isNumericLiteralName(name) { - return (+name).toString() === name; - } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 | 258 | 16777216)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); - } - } - return links.resolvedType; - } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = isAssignmentTarget(node); - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = {}; - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 164 || contextualType.pattern.kind === 168); - var typeFlags = 0; - var patternWithComputedProperties = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 248 || - memberDecl.kind === 249 || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 248) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 144) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 249); - type = checkExpression(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 | 67108864 | member.flags, member.name); - if (inDestructuringPattern) { - var isOptional = (memberDecl.kind === 248 && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 249 && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && !(contextualType.flags & 67108864)) { - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - ts.Debug.assert(memberDecl.kind === 146 || memberDecl.kind === 147); - checkAccessorDeclaration(memberDecl); - } - if (!ts.hasDynamicName(memberDecl)) { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); - } - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!ts.hasProperty(propertiesTable, prop.name)) { - if (!(prop.flags & 536870912)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } - } - } - var stringIndexType = getIndexType(0); - var numberIndexType = getIndexType(1); - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576; - result.flags |= 524288 | 4194304 | freshObjectLiteralFlag | (typeFlags & 14680064) | (patternWithComputedProperties ? 67108864 : 0); - if (inDestructuringPattern) { - result.pattern = node; - } - return result; - function getIndexType(kind) { - if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { - var propTypes = []; - for (var i = 0; i < propertiesArray.length; i++) { - var propertyDecl = node.properties[i]; - if (kind === 0 || isNumericName(propertyDecl.name)) { - var type = getTypeOfSymbol(propertiesArray[i]); - if (!ts.contains(propTypes, type)) { - propTypes.push(type); - } - } - } - var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; - typeFlags |= result_1.flags; - return result_1; - } - return undefined; - } - } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; - } - function checkJsxElement(node) { - checkJsxOpeningLikeElement(node.openingElement); - getJsxElementTagSymbol(node.closingElement); - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 243: - checkJsxExpression(child); - break; - case 236: - checkJsxElement(child); - break; - case 237: - checkJsxSelfClosingElement(child); - break; - } - } - return jsxElementType || anyType; - } - function isUnhyphenatedJsxName(name) { - return name.indexOf("-") < 0; - } - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 136) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } - } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - var indexerType = getIndexTypeOfType(elementAttributesType, 0); - if (indexerType) { - correspondingPropType = indexerType; - } - else { - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; - } - } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); - } - nameTable[node.name.text] = true; - return exprType; - } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } - return type; - } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; - } - function getJsxElementTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - links.resolvedSymbol = lookupIntrinsicTag(node); - } - else { - links.resolvedSymbol = lookupClassTag(node); - } - } - return links.resolvedSymbol; - function lookupIntrinsicTag(node) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1; - return intrinsicProp; - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - links.jsxFlags |= 2; - return intrinsicElementsType.symbol; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return unknownSymbol; - } - } - function lookupClassTag(node) { - var valueSymbol = resolveJsxTagName(node); - if (valueSymbol && valueSymbol !== unknownSymbol) { - links.jsxFlags |= 4; - if (valueSymbol.flags & 8388608) { - markAliasSymbolAsReferenced(valueSymbol); - } - } - return valueSymbol || unknownSymbol; - } - function resolveJsxTagName(node) { - if (node.tagName.kind === 69) { - var tag = node.tagName; - var sym = getResolvedSymbol(tag); - return sym.exportSymbol || sym; - } - else { - return checkQualifiedName(node.tagName).symbol; - } - } - } - function getJsxElementInstanceType(node) { - ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4), "Should not call getJsxElementInstanceType on non-class Element"); - var classSymbol = getJsxElementTagSymbol(node); - if (classSymbol === unknownSymbol) { - return anyType; - } - var valueType = getTypeOfSymbol(classSymbol); - if (isTypeAny(valueType)) { - return anyType; - } - var signatures = getSignaturesOfType(valueType, 1); - if (signatures.length === 0) { - signatures = getSignaturesOfType(valueType, 0); - if (signatures.length === 0) { - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } - } - return getUnionType(signatures.map(getReturnTypeOfSignature)); - } - function getJsxElementPropertiesName() { - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536, undefined); - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056); - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; - } - } - else { - return undefined; - } - } - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - var sym = getJsxElementTagSymbol(node); - if (links.jsxFlags & 4) { - var elemInstanceType = getJsxElementInstanceType(node); - var elemClassType = getJsxGlobalElementClassType(); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - var elemType = getTypeOfSymbol(sym); - var callSignatures = elemType && getSignaturesOfType(elemType, 0); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return links.resolvedJsxType = paramType; - } - } - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return links.resolvedJsxType = elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - return links.resolvedJsxType = anyType; - } - else if (propsName === "") { - return links.resolvedJsxType = elemInstanceType; - } - else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - return links.resolvedJsxType = emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - return links.resolvedJsxType = attributesType; - } - else if (attributesType.flags & 16384) { - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return links.resolvedJsxType = anyType; - } - else { - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); - } - } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); - } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return links.resolvedJsxType = apparentAttributesType; - } - } - } - else if (links.jsxFlags & 1) { - return links.resolvedJsxType = getTypeOfSymbol(sym); - } - else if (links.jsxFlags & 2) { - return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0); - } - else { - return links.resolvedJsxType = anyType; - } - } - return links.resolvedJsxType; - } - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - if ((compilerOptions.jsx || 0) === 0) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); - } - } - } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = {}; - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 241) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 242); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912) && - nameTable[targetProperties[i].name] === undefined) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } - } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; - } - } - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 142; - } - function getDeclarationFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 8 | 64 : 0; - } - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - if (left.kind === 95) { - var errorNode = node.kind === 169 ? - node.name : - node.right; - if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 144) { - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128) { - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - if (!(flags & (16 | 32))) { - return true; - } - var enclosingClassDeclaration = ts.getContainingClass(node); - var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; - if (flags & 16) { - if (declaringClass !== enclosingClass) { - error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - if (left.kind === 95) { - return true; - } - if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); - return false; - } - if (flags & 64) { - return true; - } - if (type.flags & 33554432) { - type = getConstraintOfTypeParameter(type); - } - if (!(getTargetType(type).flags & (1024 | 2048) && hasBaseType(type, enclosingClass))) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); - return false; - } - return true; - } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); - } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); - } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkExpression(left); - if (isTypeAny(type)) { - return type; - } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType) { - return unknownType; - } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text) { - error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 ? apparentType : type)); - } - return unknownType; - } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - return getTypeOfSymbol(prop); - } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 169 - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32) { - return checkClassPropertyAccess(node, left, type, prop); - } - } - return true; - } - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 215) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); - } - } - else if (initializer.kind === 69) { - return getResolvedSymbol(initializer); - } - return undefined; - } - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); - } - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 69) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 203 && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } - } - return false; - } - function checkIndexedAccess(node) { - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 172 && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); - } - else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); - } - } - var objectType = getApparentType(checkExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType) { - return unknownType; - } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; - } - if (node.argumentExpression) { - var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_11 !== undefined) { - var prop = getPropertyOfType(objectType, name_11); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); - return unknownType; - } - } - } - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 | 132 | 16777216)) { - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexType = getIndexTypeOfType(objectType, 1); - if (numberIndexType) { - return numberIndexType; - } - } - var stringIndexType = getIndexTypeOfType(objectType, 0); - if (stringIndexType) { - return stringIndexType; - } - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); - } - return anyType; - } - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; - } - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { - return indexArgumentExpression.text; - } - if (indexArgumentExpression.kind === 170 || indexArgumentExpression.kind === 169) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); - } - } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); - } - return undefined; - } - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; - } - if ((expressionType.flags & 16777216) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); - } - return false; - } - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; - } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - return false; - } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); - } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 173) { - checkExpression(node.template); - } - else if (node.kind !== 140) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); - } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_6 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_6 === lastParent) { - index++; - } - else { - lastParent = parent_6; - index = cutoffIndex; - } - } - else { - index = cutoffIndex = result.length; - lastParent = parent_6; - } - lastSymbol = symbol; - if (signature.hasStringLiterals) { - specializedIndex++; - spliceIndex = specializedIndex; - cutoffIndex++; - } - else { - spliceIndex = index; - } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 188) { - return i; - } - } - return -1; - } - function hasCorrectArity(node, args, signature) { - var adjustedArgCount; - var typeArguments; - var callIsIncomplete; - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 173) { - var tagExpression = node; - adjustedArgCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 186) { - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; - } - else { - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 11); - callIsIncomplete = !!templateLiteral.isUnterminated; - } - } - else if (node.kind === 140) { - isDecorator = true; - typeArguments = undefined; - adjustedArgCount = getEffectiveArgumentCount(node, undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - ts.Debug.assert(callExpression.kind === 172); - return signature.minArgumentCount === 0; - } - adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { - return false; - } - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); - } - if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { - return false; - } - var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - function getSingleCallSignature(type) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { - return resolved.callSignatures[0]; - } - } - return undefined; - } - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature.typeParameters, true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - for (var i = 0; i < typeParameters.length; i++) { - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; - } - } - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; - } - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 190) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - if (argType === undefined) { - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); - } - inferTypes(context, argType, paramType); - } - } - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); - } - } - } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; - } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); - } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); - } - } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 190) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - if (argType === undefined) { - argType = arg.kind === 9 && !reportErrors - ? getStringLiteralTypeForText(arg.text) - : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; - } - } - } - return true; - } - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 173) { - var template = node.template; - args = [undefined]; - if (template.kind === 186) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); - } - } - else if (node.kind === 140) { - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 140) { - switch (node.parent.kind) { - case 217: - case 189: - return 1; - case 142: - return 2; - case 144: - case 146: - case 147: - if (languageVersion === 0) { - return 2; - } - return signature.parameters.length >= 3 ? 3 : 2; - case 139: - return 3; - } - } - else { - return args.length; - } - } - function getEffectiveDecoratorFirstArgumentType(node) { - if (node.kind === 217) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 139) { - node = node.parent; - if (node.kind === 145) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - } - if (node.kind === 142 || - node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorSecondArgumentType(node) { - if (node.kind === 217) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; - } - if (node.kind === 139) { - node = node.parent; - if (node.kind === 145) { - return anyType; - } - } - if (node.kind === 142 || - node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - var element = node; - switch (element.name.kind) { - case 69: - case 8: - case 9: - return getStringLiteralTypeForText(element.name.text); - case 137: - var nameType = checkComputedPropertyName(element.name); - if (allConstituentTypesHaveKind(nameType, 16777216)) { - return nameType; - } - else { - return stringType; - } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; - } - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorThirdArgumentType(node) { - if (node.kind === 217) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 139) { - return numberType; - } - if (node.kind === 142) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); - } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; - } - function getEffectiveArgumentType(node, argIndex, arg) { - if (node.kind === 140) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 173) { - return globalTemplateStringsArrayType; - } - return undefined; - } - function getEffectiveArgument(node, args, argIndex) { - if (node.kind === 140 || - (argIndex === 0 && node.kind === 173)) { - return undefined; - } - return args[argIndex]; - } - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 140) { - return node.expression; - } - else if (argIndex === 0 && node.kind === 173) { - return node.template; - } - else { - return arg; - } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 173; - var isDecorator = node.kind === 140; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - if (node.expression.kind !== 95) { - ts.forEach(typeArguments, checkSourceElement); - } - } - var candidates = candidatesOutArray || []; - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - var excludeArgument; - if (!isDecorator) { - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } - } - } - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation); - } - if (!result) { - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation); - } - if (result) { - return result; - } - if (candidateForArgumentError) { - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); - } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } - } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - } - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); - } - return candidate; - } - } - } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - } - function chooseOverload(candidates, relation) { - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate.typeParameters, false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; - } - } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 95) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } - return resolveUntypedCall(node); - } - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); - } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - } - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } - } - var expressionType = checkExpression(node.expression); - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - return resolveErrorCall(node); - } - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && valueDecl.flags & 128) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); - } - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - var constructSignatures = getSignaturesOfType(expressionType, 1); - if (constructSignatures.length) { - return resolveCall(node, constructSignatures, candidatesOutArray); - } - var callSignatures = getSignaturesOfType(expressionType, 0); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); - } - return signature; - } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384) && isTypeAssignableTo(tagType, globalFunctionType))) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 217: - case 189: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 139: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; - case 142: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; - case 144: - case 146: - case 147: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; - } - } - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { - return resolveUntypedCall(node); - } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - if (!links.resolvedSignature || candidatesOutArray) { - links.resolvedSignature = anySignature; - if (node.kind === 171) { - links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); - } - else if (node.kind === 172) { - links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); - } - else if (node.kind === 173) { - links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); - } - else if (node.kind === 140) { - links.resolvedSignature = resolveDecorator(node, candidatesOutArray); - } - else { - ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); - } - } - return links.resolvedSignature; - } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, undefined, undefined); - } - return links.inferredClassType; - } - function checkCallExpression(node) { - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 95) { - return voidType; - } - if (node.kind === 172) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 145 && - declaration.kind !== 149 && - declaration.kind !== 154 && - !ts.isJSDocConstructSignature(declaration)) { - var funcSymbol = checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16)) { - return getInferredClassType(funcSymbol); - } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); - } - return anyType; - } - } - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, true)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); - } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - var bothAreStringLike = someConstituentTypeHasKind(targetType, 258) && - someConstituentTypeHasKind(widenedType, 258); - if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { - checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); - } - } - return targetType; - } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; - } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - } - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190) { - if (element.name.kind === 69) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } - } - } - } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - assignBindingElementTypes(parameter.valueDeclaration); - } - else if (isInferentialContext(mapper)) { - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); - } - } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); - } - return undefined; - } - function createPromiseType(promisedType) { - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); - } - return emptyObjectType; - } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; - } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 195) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); - if (types.length === 0) { - if (isAsync) { - var promiseType = createPromiseType(voidType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return voidType; - } - } - } - type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); - if (!type) { - if (funcIsGenerator) { - error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); - return createIterableIteratorType(unknownType); - } - else { - error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); - return getUnionType(types); - } - } - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); - } - var widenedType = getWidenedType(type); - if (isAsync) { - var promiseType = createPromiseType(widenedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return widenedType; - } - } - function checkAndAggregateYieldOperandTypes(body, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { - var aggregatedTypes = []; - ts.forEachReturnStatement(body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384) && someConstituentTypeHasKind(returnType, 1 | 16))) { - return; - } - if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 || !(func.flags & 524288)) { - return; - } - var hasExplicitReturn = func.flags & 1048576; - if (returnType && !hasExplicitReturn) { - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - var inferredReturnType = hasExplicitReturn - ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) - : voidType; - if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 176) { - checkGrammarForGenerator(node); - } - if (contextualMapper === identityMapper && isContextSensitive(node)) { - return anyFunctionType; - } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - if (mightFixTypeParameters || !(links.flags & 1024)) { - var contextualSignature = getContextualSignature(node); - var contextChecked = !!(links.flags & 1024); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } - } - if (produceDiagnostics && node.kind !== 144 && node.kind !== 143) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (node.body) { - if (!node.type) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 195) { - checkSourceElement(node.body); - } - else { - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132)) { - error(operand, diagnostic); - return false; - } - return true; - } - function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { - function findSymbol(n) { - var symbol = getNodeLinks(n).resolvedSymbol; - return symbol && getExportSymbolOfValueSymbolIfExported(symbol); - } - function isReferenceOrErrorExpression(n) { - switch (n.kind) { - case 69: { - var symbol = findSymbol(n); - return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3) !== 0; - } - case 169: { - var symbol = findSymbol(n); - return !symbol || symbol === unknownSymbol || (symbol.flags & ~8) !== 0; - } - case 170: - return true; - case 175: - return isReferenceOrErrorExpression(n.expression); - default: - return false; - } - } - function isConstVariableReference(n) { - switch (n.kind) { - case 69: - case 169: { - var symbol = findSymbol(n); - return symbol && (symbol.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384) !== 0; - } - case 170: { - var index = n.argumentExpression; - var symbol = findSymbol(n.expression); - if (symbol && index && index.kind === 9) { - var name_12 = index.text; - var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); - return prop && (prop.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384) !== 0; - } - return false; - } - case 175: - return isConstVariableReference(n.expression); - default: - return false; - } - } - if (!isReferenceOrErrorExpression(n)) { - error(n, invalidReferenceMessage); - return false; - } - if (isConstVariableReference(n)) { - error(n, constantVariableMessage); - return false; - } - return true; - } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; - } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; - } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedType; - } - function checkAwaitExpression(node) { - if (produceDiagnostics) { - if (!(node.parserContextFlags & 8)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); - } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - switch (node.operator) { - case 35: - case 36: - case 50: - if (someConstituentTypeHasKind(operandType, 16777216)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 49: - return booleanType; - case 41: - case 42: - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - return unknownType; - } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - function someConstituentTypeHasKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152) { - var types = type.types; - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var current = types_10[_i]; - if (current.flags & kind) { - return true; - } - } - return false; - } - return false; - } - function allConstituentTypesHaveKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152) { - var types = type.types; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var current = types_11[_i]; - if (!(current.flags & kind)) { - return false; - } - } - return true; - } - return false; - } - function isConstEnumObjectType(type) { - return type.flags & (80896 | 65536) && type.symbol && isConstEnumSymbol(type.symbol); - } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128) !== 0; - } - function checkInstanceOfExpression(left, right, leftType, rightType) { - if (allConstituentTypesHaveKind(leftType, 16777726)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); - } - return booleanType; - } - function checkInExpression(left, right, leftType, rightType) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 | 132 | 16777216)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; - } - function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { - var properties = node.properties; - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var p = properties_3[_i]; - if (p.kind === 248 || p.kind === 249) { - var name_13 = p.name; - if (name_13.kind === 137) { - checkComputedPropertyName(name_13); - } - if (isComputedNonLiteralName(name_13)) { - continue; - } - var text = getTextOfPropertyName(name_13); - var type = isTypeAny(sourceType) - ? sourceType - : getTypeOfPropertyOfType(sourceType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1) || - getIndexTypeOfType(sourceType, 0); - if (type) { - if (p.kind === 249) { - checkDestructuringAssignment(p, type); - } - else { - checkDestructuringAssignment(p.initializer, type); - } - } - else { - error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); - } - } - else { - error(p, ts.Diagnostics.Property_assignment_expected); - } - } - return sourceType; - } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190) { - if (e.kind !== 188) { - var propName = "" + i; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - checkDestructuringAssignment(e, type, contextualMapper); - } - else { - if (isTupleType(sourceType)) { - error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); - } - else { - error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); - } - } - } - else { - if (i < elements.length - 1) { - error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - else { - var restExpression = e.expression; - if (restExpression.kind === 184 && restExpression.operatorToken.kind === 56) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - else { - checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); - } - } - } - } - } - return sourceType; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 249) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); - } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 184 && target.operatorToken.kind === 56) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 168) { - return checkObjectLiteralAssignment(target, sourceType, contextualMapper); - } - if (target.kind === 167) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); - } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { - checkTypeAssignableTo(sourceType, targetType, target, undefined); - } - return sourceType; - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 56 && (left.kind === 168 || left.kind === 167)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); - } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 37: - case 38: - case 59: - case 60: - case 39: - case 61: - case 40: - case 62: - case 36: - case 58: - case 43: - case 63: - case 44: - case 64: - case 45: - case 65: - case 47: - case 67: - case 48: - case 68: - case 46: - case 66: - if (leftType.flags & (32 | 64)) - leftType = rightType; - if (rightType.flags & (32 | 64)) - rightType = leftType; - var suggestedOperator = void 0; - if ((leftType.flags & 8) && - (rightType.flags & 8) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); - } - else { - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } - } - return numberType; - case 35: - case 57: - if (leftType.flags & (32 | 64)) - leftType = rightType; - if (rightType.flags & (32 | 64)) - rightType = leftType; - var resultType = void 0; - if (allConstituentTypesHaveKind(leftType, 132) && allConstituentTypesHaveKind(rightType, 132)) { - resultType = numberType; - } - else { - if (allConstituentTypesHaveKind(leftType, 258) || allConstituentTypesHaveKind(rightType, 258)) { - resultType = stringType; - } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; - } - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; - } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 57) { - checkAssignmentOperator(resultType); - } - return resultType; - case 25: - case 27: - case 28: - case 29: - if (!checkForDisallowedESSymbolOperand(operator)) { - return booleanType; - } - case 30: - case 31: - case 32: - case 33: - if (someConstituentTypeHasKind(leftType, 258) && someConstituentTypeHasKind(rightType, 258)) { - return booleanType; - } - if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { - reportOperatorError(); - } - return booleanType; - case 91: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 90: - return checkInExpression(left, right, leftType, rightType); - case 51: - return rightType; - case 52: - return getUnionType([leftType, rightType]); - case 56: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 24: - return rightType; - } - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216) ? left : - someConstituentTypeHasKind(rightType, 16777216) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; - } - return true; - } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 47: - case 67: - return 52; - case 48: - case 68: - return 33; - case 46: - case 66: - return 51; - default: - return undefined; - } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 56 && operator <= 68) { - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); - if (ok) { - checkTypeAssignableTo(valueType, leftType, left, undefined); - } - } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; - } - else if (ts.isClassLike(current)) { - return true; - } - current = parent; - parent = parent.parent; - } - return false; - } - function checkYieldExpression(node) { - if (produceDiagnostics) { - if (!(node.parserContextFlags & 2) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); - } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); - } - } - } - } - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getUnionType([type1, type2]); - } - function checkStringLiteralExpression(node) { - var contextualType = getContextualType(node); - if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { - return getStringLiteralTypeForText(node.text); - } - return stringType; - } - function checkTemplateExpression(node) { - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node, contextualMapper); - } - return links.resolvedType; - } - function checkPropertyAssignment(node, contextualMapper) { - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - return checkExpression(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - checkGrammarMethod(node); - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); - } - } - } - } - return type; - } - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 136) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - var ok = (node.parent.kind === 169 && node.parent.expression === node) || - (node.parent.kind === 170 && node.parent.expression === node) || - ((node.kind === 69 || node.kind === 136) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); - } - } - return type; - } - function checkNumericLiteral(node) { - checkGrammarNumericLiteral(node); - return numberType; - } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 69: - return checkIdentifier(node); - case 97: - return checkThisExpression(node); - case 95: - return checkSuperExpression(node); - case 93: - return nullType; - case 99: - case 84: - return booleanType; - case 8: - return checkNumericLiteral(node); - case 186: - return checkTemplateExpression(node); - case 9: - return checkStringLiteralExpression(node); - case 11: - return stringType; - case 10: - return globalRegExpType; - case 167: - return checkArrayLiteral(node, contextualMapper); - case 168: - return checkObjectLiteral(node, contextualMapper); - case 169: - return checkPropertyAccessExpression(node); - case 170: - return checkIndexedAccess(node); - case 171: - case 172: - return checkCallExpression(node); - case 173: - return checkTaggedTemplateExpression(node); - case 175: - return checkExpression(node.expression, contextualMapper); - case 189: - return checkClassExpression(node); - case 176: - case 177: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 179: - return checkTypeOfExpression(node); - case 174: - case 192: - return checkAssertion(node); - case 178: - return checkDeleteExpression(node); - case 180: - return checkVoidExpression(node); - case 181: - return checkAwaitExpression(node); - case 182: - return checkPrefixUnaryExpression(node); - case 183: - return checkPostfixUnaryExpression(node); - case 184: - return checkBinaryExpression(node, contextualMapper); - case 185: - return checkConditionalExpression(node, contextualMapper); - case 188: - return checkSpreadElementExpression(node, contextualMapper); - case 190: - return undefinedType; - case 187: - return checkYieldExpression(node); - case 243: - return checkJsxExpression(node); - case 236: - return checkJsxElement(node); - case 237: - return checkJsxSelfClosingElement(node); - case 238: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); - } - return unknownType; - } - function checkTypeParameter(node) { - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); - } - } - function checkParameter(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (node.flags & 56) { - func = ts.getContainingFunction(node); - if (!(func.kind === 145 && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } - } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 144 || - node.kind === 216 || - node.kind === 176; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 69 && - param.name.text === parameter.text) { - return i; - } - } - } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } - else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_14 = _a[_i].name; - if (ts.isBindingPattern(name_14) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 177: - case 148: - case 216: - case 176: - case 153: - case 144: - case 143: - var parent_7 = node.parent; - if (node === parent_7.type) { - return parent_7; - } - } - } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var name_15 = _a[_i].name; - if (name_15.kind === 69 && - name_15.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_15.kind === 165 || - name_15.kind === 164) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } - } - function checkSignatureDeclaration(node) { - if (node.kind === 150) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 153 || node.kind === 216 || node.kind === 154 || - node.kind === 148 || node.kind === 145 || - node.kind === 149) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 149: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 148: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } - } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); - } - } - } - checkSpecializedSignatureDeclaration(node); - } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 218) { - var nodeSymbol = getSymbolOfNode(node); - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; - } - } - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 130: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 128: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } - } - } - } - function checkPropertyDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - checkFunctionOrMethodDeclaration(node); - if (node.flags & 128 && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); - } - } - function checkConstructorDeclaration(node) { - checkSignatureDeclaration(node); - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); - } - if (ts.nodeIsMissing(node.body)) { - return; - } - if (!produceDiagnostics) { - return; - } - function markThisReferencesAsErrors(n) { - if (n.kind === 97) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 176 && n.kind !== 216) { - ts.forEachChild(n, markThisReferencesAsErrors); - } - } - function isInstancePropertyWithInitializer(n) { - return n.kind === 142 && - !(n.flags & 64) && - !!n.initializer; - } - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return p.flags & (8 | 16 | 32); }); - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 198 && ts.isSuperCallExpression(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } - } - } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 146) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288)) { - if (node.flags & 1048576) { - if (compilerOptions.noImplicitReturns) { - error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - else { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } - } - } - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var otherKind = node.kind === 146 ? 147 : 146; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if (((node.flags & 56) !== (otherAccessor.flags & 56))) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - var currentAccessorType = getAnnotatedAccessorType(node); - var otherAccessorType = getAnnotatedAccessorType(otherAccessor); - if (currentAccessorType && otherAccessorType) { - if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { - error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - } - } - } - } - getTypeOfAccessors(getSymbolOfNode(node)); - } - if (node.parent.kind !== 168) { - checkSourceElement(node.body); - } - else { - checkNodeDeferred(node); - } - } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - } - function checkMissingDeclaration(node) { - checkDecorators(node); - } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); - } - } - return result; - } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType && node.typeArguments) { - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } - } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); - } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (node.flags & 16) && ts.isInAmbientContext(node); - } - function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { - if (!produceDiagnostics) { - return; - } - var signature = getSignatureFromDeclaration(signatureDeclarationNode); - if (!signature.hasStringLiterals) { - return; - } - if (ts.nodeIsPresent(signatureDeclarationNode.body)) { - error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); - return; - } - var signaturesToCheck; - if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218) { - ts.Debug.assert(signatureDeclarationNode.kind === 148 || signatureDeclarationNode.kind === 149); - var signatureKind = signatureDeclarationNode.kind === 148 ? 0 : 1; - var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); - var containingType = getDeclaredTypeOfSymbol(containingSymbol); - signaturesToCheck = getSignaturesOfType(containingType, signatureKind); - } - else { - signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); - } - for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { - var otherSignature = signaturesToCheck_1[_i]; - if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, false)) { - return; - } - } - error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedNodeFlags(n); - if (n.parent.kind !== 218 && - n.parent.kind !== 217 && - n.parent.kind !== 189 && - ts.isInAmbientContext(n)) { - if (!(flags & 4)) { - flags |= 2; - } - flags |= 4; - } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; - } - function getCanonicalOverload(overloads, implementation) { - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; - } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 2) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); - } - else if (deviation & 4) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (16 | 32)) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); - } - else if (deviation & 128) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); - } - }); - } - } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); - } - } - var flagsToCheck = 2 | 4 | 16 | 32 | 128; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 144 || node.kind === 143) && - (node.flags & 64) !== (subsequentNode.flags & 64); - if (reportError) { - var diagnostic = node.flags & 64 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); - } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; - } - } - } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - if (node.flags & 128) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); - } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); - } - } - } - var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536; - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 218 || node.parent.kind === 156 || inAmbientContext; - if (inAmbientContextOrInterface) { - previousDeclaration = undefined; - } - if (node.kind === 216 || node.kind === 144 || node.kind === 143 || node.kind === 145) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); - } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; - } - } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } - } - } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); - } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); - } - if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(lastSeenNonAmbientDeclaration.flags & 128)) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); - } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - if (!bodySignature.hasStringLiterals) { - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } - } - } - } - } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; - } - var symbol = node.localSymbol; - if (!symbol) { - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032)) { - return; - } - } - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; - } - var exportedDeclarationSpaces = 0; - var nonExportedDeclarationSpaces = 0; - var defaultExportedDeclarationSpaces = 0; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 | 512); - if (effectiveDeclarationFlags & 2) { - if (effectiveDeclarationFlags & 512) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } - } - else { - nonExportedDeclarationSpaces |= declarationSpaces; - } - } - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } - } - } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 218: - return 2097152; - case 221: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 - ? 4194304 | 1048576 - : 4194304; - case 217: - case 220: - return 2097152 | 1048576; - case 224: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576; - } - } - } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; - } - error(location, message); - } - return unknownType; - } - return type; - } - function getPromisedType(promise) { - if (promise.flags & 1) { - return undefined; - } - if ((promise.flags & 4096) && promise.target === tryGetGlobalPromiseType()) { - return promise.typeArguments[0]; - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (thenFunction && (thenFunction.flags & 1)) { - return undefined; - } - var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : emptyArray; - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); - if (onfulfilledParameterType.flags & 1) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); - return valueParameterType; - } - function getTypeOfFirstParameterOfSignature(signature) { - return getTypeAtPosition(signature, 0); - } - function getAwaitedType(type) { - return checkAwaitedType(type, undefined, undefined); - } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 16384) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; - } - } - } - } - function checkCorrectPromiseType(returnType, location) { - if (returnType === unknownType) { - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - return unknownType; - } - function checkAsyncFunctionReturnType(node) { - if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - return unknownType; - } - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - return unknownType; - } - checkReturnTypeAnnotationAsExpression(node); - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; - } - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; - } - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1) { - return; - } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 217: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; - case 139: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; - case 142: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 144: - case 146: - case 147: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; - } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); - } - function checkTypeNodeAsExpression(node) { - if (node && node.kind === 152) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 152 ? 793056 : 1536; - var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); - if (rootSymbol && rootSymbol.flags & 8388608) { - var aliasTarget = resolveAlias(rootSymbol); - if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } - } - } - } - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkParameterTypeAnnotationsAsExpressions(node) { - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } - } - function checkDecorators(node) { - if (!node.decorators) { - return; - } - if (!ts.nodeCanBeDecorated(node)) { - return; - } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); - } - if (compilerOptions.emitDecoratorMetadata) { - switch (node.kind) { - case 217: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 144: - case 146: - case 147: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 142: - case 139: - checkTypeAnnotationAsExpression(node); - break; - } - } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - if (node.name && node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - checkFunctionOrConstructorSymbol(symbol); - } - } - } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); - } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - } - } - function checkBlock(node) { - if (node.kind === 195) { - checkGrammarStatementInAmbientContext(node); - } - ts.forEach(node.statements, checkSourceElement); - } - function checkCollisionWithArgumentsInGeneratedCode(node) { - if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); - } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; - } - if (node.kind === 142 || - node.kind === 141 || - node.kind === 144 || - node.kind === 143 || - node.kind === 146 || - node.kind === 147) { - return false; - } - if (ts.isInAmbientContext(node)) { - return false; - } - var root = ts.getRootDeclaration(node); - if (root.kind === 139 && ts.nodeIsMissing(root.parent.body)) { - return false; - } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); - } - } - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4) { - var isDeclaration_1 = node.kind !== 69; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); - } - return; - } - current = current.parent; - } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; - } - var enclosingClass = ts.getContainingClass(node); - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; - } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 69; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } - } - } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent)) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!compilerOptions.noCustomAsyncPromise) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkVarDeclaredNamesNotShadowed(node) { - if ((ts.getCombinedNodeFlags(node) & 24576) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - if (node.kind === 214 && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2) { - if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215); - var container = varDeclList.parent.kind === 196 && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - var namesShareScope = container && - (container.kind === 195 && ts.isFunctionLike(container.parent) || - container.kind === 222 || - container.kind === 221 || - container.kind === 251); - if (!namesShareScope) { - var name_16 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); - } - } - } - } - } - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 139) { - return; - } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (n.kind === 69) { - var referencedSymbol = getNodeLinks(n).resolvedSymbol; - if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455) === referencedSymbol) { - if (referencedSymbol.valueDeclaration.kind === 139) { - if (referencedSymbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - if (referencedSymbol.valueDeclaration.pos < node.pos) { - return; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } - } - else { - ts.forEachChild(n, visit); - } - } - } - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } - } - if (node.kind === 166) { - if (node.propertyName && node.propertyName.kind === 137) { - checkComputedPropertyName(node.propertyName); - } - } - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); - } - if (node.initializer && ts.getRootDeclaration(node).kind === 139 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; - } - if (ts.isBindingPattern(node.name)) { - if (node.initializer && node.parent.parent.kind !== 203) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); - checkParameterInitializer(node); - } - return; - } - var symbol = getSymbolOfNode(node); - var type = getTypeOfVariableOrParameterOrProperty(symbol); - if (node === symbol.valueDeclaration) { - if (node.initializer && node.parent.parent.kind !== 203) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); - checkParameterInitializer(node); - } - } - else { - var declarationType = getWidenedTypeForVariableLikeDeclaration(node); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); - } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); - } - } - if (node.kind !== 142 && node.kind !== 141) { - checkExportsOnMergedDeclarations(node); - if (node.kind === 214 || node.kind === 166) { - checkVarDeclaredNamesNotShadowed(node); - } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); - } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - if (node.modifiers && node.parent.kind === 168) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - } - function checkExpressionStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 197) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); - } - function checkDoStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); - } - function checkWhileStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); - } - function checkForStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 215) { - checkGrammarVariableDeclarationList(node.initializer); - } - } - if (node.initializer) { - if (node.initializer.kind === 215) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); - } - } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 215) { - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - if (varExpr.kind === 167 || varExpr.kind === 168) { - checkDestructuringAssignment(varExpr, iteratedType || unknownType); - } - else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); - } - } - } - checkSourceElement(node.statement); - } - function checkForInStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 215) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 167 || varExpr.kind === 168) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); - } - else { - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); - } - } - var rightType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - checkSourceElement(node.statement); - } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); - } - } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = getTypeOfExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); - } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2) { - return checkElementTypeOfIterable(inputType, errorNode); - } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); - } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1); - if (indexType) { - return indexType; - } - } - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); - return unknownType; - } - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); - } - return elementType || anyType; - } - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - if ((type.flags & 4096) && type.target === globalIterableType) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); - } - return undefined; - } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); - } - } - return typeAsIterable.iterableElementType; - } - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - if ((type.flags & 4096) && type.target === globalIteratorType) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; - } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); - } - return undefined; - } - typeAsIterator.iteratorElementType = iteratorNextValue; - } - } - return typeAsIterator.iteratorElementType; - } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; - } - if ((type.flags & 4096) && type.target === globalIterableIteratorType) { - return type.typeArguments[0]; - } - return getElementTypeOfIterable(type, undefined) || - getElementTypeOfIterator(type, undefined); - } - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2); - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 16384) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258); })); - } - else if (arrayOrStringType.flags & 258) { - arrayType = emptyUnionType; - } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; - } - if (arrayType === emptyObjectType) { - return stringType; - } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); - } - return hasStringConstituent ? stringType : unknownType; - } - var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; - if (hasStringConstituent) { - if (arrayElementType.flags & 258) { - return stringType; - } - return getUnionType([arrayElementType, stringType]); - } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - } - function isGetAccessorWithAnnotatatedSetAccessor(node) { - return !!(node.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147))); - } - function checkReturnStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - var exprType = checkExpressionCached(node.expression); - if (func.asteriskToken) { - return; - } - if (func.kind === 147) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - else if (func.kind === 145) { - if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - checkTypeAssignableTo(awaitedType, promisedType, node.expression); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression); - } - } - } - } - } - function checkWithStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.parserContextFlags & 8) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } - } - checkExpression(node.expression); - error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); - } - function checkSwitchStatement(node) { - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258); - ts.forEach(node.caseBlock.clauses, function (clause) { - if (clause.kind === 245 && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; - } - else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; - } - } - if (produceDiagnostics && clause.kind === 244) { - var caseClause = clause; - var caseType = checkExpression(caseClause.expression); - var expressionTypeIsAssignableToCaseType = (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258)) || - isTypeAssignableTo(expressionType, caseType); - if (!expressionTypeIsAssignableToCaseType) { - checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined); - } - } - ts.forEach(clause.statements, checkSourceElement); - }); - } - function checkLabeledStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 210 && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; - } - } - checkSourceElement(node.statement); - } - function checkThrowStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); - } - } - if (node.expression) { - checkExpression(node.expression); - } - } - function checkTryStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 69) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals && ts.hasProperty(locals, identifierName)) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } - } - checkBlock(catchClause.block); - } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); - } - } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); - }); - if (type.flags & 1024 && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (!(member.flags & 64) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); - } - } - } - } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - if (!errorNode && (type.flags & 2048)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; - } - } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); - } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { - return; - } - var errorNode; - if (prop.valueDeclaration.name.kind === 137 || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 2048) { - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); - } - } - } - function checkTypeNameIsReserved(name, message) { - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); - } - } - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } - } - } - } - } - } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); - } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - } - function checkClassDeclaration(node) { - if (!node.name && !(node.flags & 512)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); - } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); - } - } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 4096) ? t.target : t; - if (declaredType.flags & (1024 | 2048)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } - } - } - } - } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function getTargetSymbol(s) { - return s.flags & 16777216 ? getSymbolLinks(s).target : s; - } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); - } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728) { - continue; - } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - if (derived === base) { - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(derivedClassDecl.flags & 128))) { - if (derivedClassDecl.kind === 189) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 16) || (derivedDeclarationFlags & 16)) { - continue; - } - if ((baseDeclarationFlags & 64) !== (derivedDeclarationFlags & 64)) { - continue; - } - if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { - continue; - } - var errorMessage = void 0; - if (base.flags & 8192) { - if (derived.flags & 98304) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4) { - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304) !== 0); - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; - } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); - } - } - } - } - function isAccessor(kind) { - return kind === 146 || kind === 147; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; - } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; - } - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } - } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; - } - var seen = {}; - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { - var prop = properties_4[_a]; - if (!ts.hasProperty(seen, prop.name)) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var existing = seen[prop.name]; - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } - } - } - } - return ok; - } - function checkInterfaceDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218); - if (symbol.declarations.length > 1) { - if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); - } - } - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); - } - checkIndexConstraints(type); - } - } - } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkTypeAliasDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; - } - } - nodeLinks.flags |= 16384; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); - } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); - } - else { - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); - } - } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); - } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); - } - } - } - return value; - function evalConstant(e) { - switch (e.kind) { - case 182: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 35: return value_1; - case 36: return -value_1; - case 50: return ~value_1; - } - return undefined; - case 184: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 47: return left | right; - case 46: return left & right; - case 44: return left >> right; - case 45: return left >>> right; - case 43: return left << right; - case 48: return left ^ right; - case 37: return left * right; - case 39: return left / right; - case 35: return left + right; - case 36: return left - right; - case 40: return left % right; - } - return undefined; - case 8: - return +e.text; - case 175: - return evalConstant(e.expression); - case 69: - case 170: - case 169: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 69) { - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 170) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - var current = expression; - while (current) { - if (current.kind === 69) { - break; - } - else if (current.kind === 169) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - if (member === propertyDecl) { - return undefined; - } - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; - } - } - } - } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); - } - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); - } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - if (declaration.kind !== 220) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); - } - } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 217 || - (declaration.kind === 216 && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; - } - } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); - } - else if (isGlobalSourceFile(container2)) { - return false; - } - else { - return container1 === container2; - } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); - } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } - } - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - if (symbol.flags & 512 - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); - } - } - var mergedClass = ts.getDeclarationOfKind(symbol, 217); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768; - } - } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); - if (checkBody) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } - } - } - checkSourceElement(node.body); - } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 196: - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 230: - case 231: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 224: - if (node.moduleReference.kind !== 9) { - error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - break; - } - case 225: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 166: - case 214: - var name_17 = node.name; - if (ts.isBindingPattern(name_17)) { - for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { - var el = _c[_b]; - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } - case 217: - case 220: - case 216: - case 218: - case 221: - case 219: - var symbol = getSymbolOfNode(node); - if (symbol) { - var reportError = !(symbol.flags & 33554432); - if (!reportError) { - if (isGlobalAugmentation) { - reportError = symbol.parent !== undefined; - } - else { - reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); - } - } - if (reportError) { - error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - } - } - break; - } - } - function getFirstIdentifier(node) { - while (true) { - if (node.kind === 136) { - node = node.left; - } - else if (node.kind === 169) { - node = node.expression; - } - else { - break; - } - } - ts.Debug.assert(node.kind === 69); - return node; - } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { - error(moduleName, ts.Diagnostics.String_literal_expected); - return false; - } - var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 && !inAmbientExternalModule) { - error(moduleName, node.kind === 231 ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); - return false; - } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - if (!isTopLevelInExternalModuleAugmentation(node)) { - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } - } - return true; - } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & 107455 ? 107455 : 0) | - (symbol.flags & 793056 ? 793056 : 0) | - (symbol.flags & 1536 ? 1536 : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 233 ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); - } - } - } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); - } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); - } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); - } - } - } - } - } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (node.flags & 2) { - markExportAsReferenced(node); - } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455) { - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 | 1536).flags & 1536)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793056) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); - } - } - } - else { - if (modulekind === 5 && !ts.isInAmbientContext(node)) { - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); - } - } - } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); - } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); - } - } - else { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); - } - } - } - } - function checkGrammarModuleElementContext(node, errorMessage) { - if (node.parent.kind !== 251 && node.parent.kind !== 222 && node.parent.kind !== 221) { - return grammarErrorOnFirstToken(node, errorMessage); - } - } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - var symbol = resolveName(exportedName, exportedName.text, 107455 | 793056 | 1536 | 8388608, undefined, undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); - } - else { - markExportAsReferenced(node); - } - } - } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { - return; - } - var container = node.parent.kind === 251 ? node.parent : node.parent.parent; - if (container.kind === 221 && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); - } - if (node.expression.kind === 69) { - markExportAsReferenced(node); - } - else { - checkExpressionCached(node.expression); - } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === 5) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === 4) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } - } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; - } - } - return false; - } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - var exports = getExportsOfModule(moduleSymbol); - for (var id in exports) { - if (id === "__export") { - continue; - } - var _a = exports[id], declarations = _a.declarations, flags = _a.flags; - if (!(flags & (1536 | 64 | 384)) && (flags & 524288 ? declarations.length - 1 : declarations.length) > 1) { - var exportedDeclarations = ts.filter(declarations, isNotOverload); - if (exportedDeclarations.length > 1) { - for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { - var declaration = exportedDeclarations_1[_i]; - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); - } - } - } - } - links.exportsChecked = true; - } - function isNotOverload(declaration) { - return declaration.kind !== 216 || !!declaration.body; - } - } - function checkSourceElement(node) { - if (!node) { - return; - } - var kind = node.kind; - if (cancellationToken) { - switch (kind) { - case 221: - case 217: - case 218: - case 216: - cancellationToken.throwIfCancellationRequested(); - } - } - switch (kind) { - case 138: - return checkTypeParameter(node); - case 139: - return checkParameter(node); - case 142: - case 141: - return checkPropertyDeclaration(node); - case 153: - case 154: - case 148: - case 149: - return checkSignatureDeclaration(node); - case 150: - return checkSignatureDeclaration(node); - case 144: - case 143: - return checkMethodDeclaration(node); - case 145: - return checkConstructorDeclaration(node); - case 146: - case 147: - return checkAccessorDeclaration(node); - case 152: - return checkTypeReferenceNode(node); - case 151: - return checkTypePredicate(node); - case 155: - return checkTypeQuery(node); - case 156: - return checkTypeLiteral(node); - case 157: - return checkArrayType(node); - case 158: - return checkTupleType(node); - case 159: - case 160: - return checkUnionOrIntersectionType(node); - case 161: - return checkSourceElement(node.type); - case 216: - return checkFunctionDeclaration(node); - case 195: - case 222: - return checkBlock(node); - case 196: - return checkVariableStatement(node); - case 198: - return checkExpressionStatement(node); - case 199: - return checkIfStatement(node); - case 200: - return checkDoStatement(node); - case 201: - return checkWhileStatement(node); - case 202: - return checkForStatement(node); - case 203: - return checkForInStatement(node); - case 204: - return checkForOfStatement(node); - case 205: - case 206: - return checkBreakOrContinueStatement(node); - case 207: - return checkReturnStatement(node); - case 208: - return checkWithStatement(node); - case 209: - return checkSwitchStatement(node); - case 210: - return checkLabeledStatement(node); - case 211: - return checkThrowStatement(node); - case 212: - return checkTryStatement(node); - case 214: - return checkVariableDeclaration(node); - case 166: - return checkBindingElement(node); - case 217: - return checkClassDeclaration(node); - case 218: - return checkInterfaceDeclaration(node); - case 219: - return checkTypeAliasDeclaration(node); - case 220: - return checkEnumDeclaration(node); - case 221: - return checkModuleDeclaration(node); - case 225: - return checkImportDeclaration(node); - case 224: - return checkImportEqualsDeclaration(node); - case 231: - return checkExportDeclaration(node); - case 230: - return checkExportAssignment(node); - case 197: - checkGrammarStatementInAmbientContext(node); - return; - case 213: - checkGrammarStatementInAmbientContext(node); - return; - case 234: - return checkMissingDeclaration(node); - } - } - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); - } - } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 176: - case 177: - case 144: - case 143: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 146: - case 147: - checkAccessorDeferred(node); - break; - case 189: - checkClassExpressionDeferred(node); - break; - } - } - } - function checkSourceFile(node) { - var start = new Date().getTime(); - checkSourceFileWorker(node); - ts.checkTime += new Date().getTime() - start; - } - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1)) { - if (compilerOptions.skipDefaultLibCheck) { - if (node.hasNoDefaultLib) { - return; - } - } - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - deferredNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); - } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; - } - links.flags |= 1; - } - } - function getDiagnostics(sourceFile, ct) { - try { - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); - } - finally { - cancellationToken = undefined; - } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); - } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); - } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); - } - } - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 208 && node.parent.statement === node) { - return true; - } - node = node.parent; - } - } - return false; - } - function getSymbolsInScope(location, meaning) { - var symbols = {}; - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 221: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); - break; - case 220: - copySymbols(getSymbolOfNode(location).exports, meaning & 8); - break; - case 189: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - case 217: - case 218: - if (!(memberFlags & 64)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793056); - } - break; - case 176: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = location.flags; - location = location.parent; - } - copySymbols(globals, meaning); - } - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - if (!ts.hasProperty(symbols, id)) { - symbols[id] = symbol; - } - } - } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); - } - } - } - } - function isTypeDeclarationName(name) { - return name.kind === 69 && - isTypeDeclaration(name.parent) && - name.parent.name === name; - } - function isTypeDeclaration(node) { - switch (node.kind) { - case 138: - case 217: - case 218: - case 219: - case 220: - return true; - } - } - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 136) { - node = node.parent; - } - return node.parent && node.parent.kind === 152; - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 169) { - node = node.parent; - } - return node.parent && node.parent.kind === 191; - } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 136) { - nodeOnRightSide = nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 224) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 230) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; - } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; - } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1: - case 3: - return getSymbolOfNode(entityName.parent); - case 4: - case 2: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 230) { - return resolveEntityName(entityName, 107455 | 793056 | 1536 | 8388608); - } - if (entityName.kind !== 169) { - if (isInRightSideOfImportOrExportAssignment(entityName)) { - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); - } - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0; - if (entityName.parent.kind === 191) { - meaning = 793056; - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455; - } - } - else { - meaning = 1536; - } - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if ((entityName.parent.kind === 238) || - (entityName.parent.kind === 237) || - (entityName.parent.kind === 240)) { - return getJsxElementTagSymbol(entityName.parent); - } - else if (ts.isExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { - return undefined; - } - if (entityName.kind === 69) { - var meaning = 107455 | 8388608; - return resolveEntityName(entityName, meaning); - } - else if (entityName.kind === 169) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - else if (entityName.kind === 136) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = entityName.parent.kind === 152 ? 793056 : 1536; - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if (entityName.parent.kind === 241) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 151) { - return resolveEntityName(entityName, 1); - } - return undefined; - } - function getSymbolAtLocation(node) { - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (ts.isDeclarationName(node)) { - return getSymbolOfNode(node.parent); - } - if (node.kind === 69) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return node.parent.kind === 230 - ? getSymbolOfEntityNameOrPropertyAccessExpression(node) - : getSymbolOfPartOfRightHandSideOfImportEquals(node); - } - else if (node.parent.kind === 166 && - node.parent.parent.kind === 164 && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; - } - } - } - switch (node.kind) { - case 69: - case 169: - case 136: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 97: - case 95: - var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 162: - return getTypeFromTypeNode(node).symbol; - case 121: - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 145) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9: - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 225 || node.parent.kind === 231) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - case 8: - if (node.parent.kind === 170 && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); - } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - if (location && location.kind === 249) { - return resolveEntityName(location.name, 107455 | 8388608); - } - return undefined; - } - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536 | 8388608); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - return unknownType; - } - if (ts.isTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent); - } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); - } - return unknownType; - } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; - } - return checkExpression(expr); - } - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return node.flags & 64 - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); - } - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!ts.hasProperty(propsByName, p.name)) { - propsByName[p.name] = p; - } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456) { - var symbols_3 = []; - var name_18 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_18); - if (symbol) { - symbols_3.push(symbol); - } - }); - return symbols_3; - } - else if (symbol.flags & 67108864) { - var target = getSymbolLinks(symbol).target; - if (target) { - return [target]; - } - } - return [symbol]; - } - function isArgumentsLocalBinding(node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol) { - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455) - : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455); - } - } - function getReferencedExportContainer(node) { - var symbol = getReferencedValueSymbol(node); - if (symbol) { - if (symbol.flags & 1048576) { - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (exportSymbol.flags & 944) { - return undefined; - } - symbol = exportSymbol; - } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 251) { - return parentSymbol.valueDeclaration; - } - for (var n = node.parent; n; n = n.parent) { - if ((n.kind === 221 || n.kind === 220) && getSymbolOfNode(n) === parentSymbol) { - return n; - } - } - } - } - } - function getReferencedImportDeclaration(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && symbol.flags & 8388608 ? getDeclarationOfAliasSymbol(symbol) : undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418) { - var links = getSymbolLinks(symbol); - if (links.isDeclaratonWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { - links.isDeclaratonWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072) { - var isDeclaredInLoop = nodeLinks_1.flags & 262144; - var inLoopInitializer = ts.isIterationStatement(container, false); - var inLoopBodyBlock = container.kind === 195 && ts.isIterationStatement(container.parent, false); - links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclaratonWithCollidingName = false; - } - } - } - return links.isDeclaratonWithCollidingName; - } - return false; - } - function getReferencedDeclarationWithCollidingName(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; - } - function isDeclarationWithCollidingName(node) { - return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); - } - function isValueAliasDeclaration(node) { - switch (node.kind) { - case 224: - case 226: - case 227: - case 229: - case 233: - return isAliasResolvedToValue(getSymbolOfNode(node)); - case 231: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 230: - return node.expression && node.expression.kind === 69 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; - } - return false; - } - function isTopLevelValueImportEqualsWithEntityName(node) { - if (node.parent.kind !== 251 || !ts.isInternalModuleImportEqualsDeclaration(node)) { - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); - } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol && compilerOptions.isolatedModules) { - return true; - } - return target !== unknownSymbol && - target && - target.flags & 107455 && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); - } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; - } - function isReferencedAliasDeclaration(node, checkChildren) { - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (getSymbolLinks(symbol).referenced) { - return true; - } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); - } - return false; - } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - return signaturesOfSymbol.length > 1 || - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); - } - return false; - } - function getNodeCheckFlags(node) { - return getNodeLinks(node).flags; - } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; - } - function getConstantValue(node) { - if (node.kind === 250) { - return getEnumMemberValue(node); - } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8)) { - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); - } - } - return undefined; - } - function isFunctionType(type) { - return type.flags & 80896 && getSignaturesOfType(type, 0).length > 0; - } - function getTypeReferenceSerializationKind(typeName) { - var valueSymbol = resolveEntityName(typeName, 107455, true); - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; - } - var typeSymbol = resolveEntityName(typeName, 793056, true); - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; - } - else if (type.flags & 1) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - else if (allConstituentTypesHaveKind(type, 16)) { - return ts.TypeReferenceSerializationKind.VoidType; - } - else if (allConstituentTypesHaveKind(type, 8)) { - return ts.TypeReferenceSerializationKind.BooleanType; - } - else if (allConstituentTypesHaveKind(type, 132)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; - } - else if (allConstituentTypesHaveKind(type, 258)) { - return ts.TypeReferenceSerializationKind.StringLikeType; - } - else if (allConstituentTypesHaveKind(type, 8192)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else if (allConstituentTypesHaveKind(type, 16777216)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; - } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; - } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else { - return ts.TypeReferenceSerializationKind.ObjectType; - } - } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 | 131072)) - ? getTypeOfSymbol(symbol) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getTypeOfExpression(expr); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return ts.hasProperty(globals, name); - } - function getReferencedValueSymbol(reference) { - return getNodeLinks(reference).resolvedSymbol || - resolveName(reference, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); - } - function getReferencedValueDeclaration(reference) { - ts.Debug.assert(!ts.nodeIsSynthesized(reference)); - var symbol = getReferencedValueSymbol(reference); - return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; - } - function createResolver() { - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration - }; - } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); - if (!moduleSymbol) { - return undefined; - } - return ts.getDeclarationOfKind(moduleSymbol, 251); - } - function initializeTypeChecker() { - ts.forEach(host.getSourceFiles(), function (file) { - ts.bindSourceFile(file, compilerOptions); - }); - var augmentations; - ts.forEach(host.getSourceFiles(), function (file) { - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); - } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); - } - }); - if (augmentations) { - for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { - var list = augmentations_1[_i]; - for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { - var augmentation = list_2[_a]; - mergeModuleAugmentation(augmentation); - } - } - } - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - globalArrayType = getGlobalType("Array", 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056, undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - if (languageVersion >= 2) { - globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); - globalESSymbolType = getGlobalType("Symbol"); - globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); - globalIterableType = getGlobalType("Iterable", 1); - globalIteratorType = getGlobalType("Iterator", 1); - globalIterableIteratorType = getGlobalType("IterableIterator", 1); - } - else { - globalTemplateStringsArrayType = unknownType; - globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - globalESSymbolConstructorSymbol = undefined; - globalIterableType = emptyGenericType; - globalIteratorType = emptyGenericType; - globalIterableIteratorType = emptyGenericType; - } - anyArrayType = createArrayType(anyType); - } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); - } - return emptyObjectType; - } - function createThenableType() { - var thenPropertySymbol = createSymbol(67108864 | 4, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(65536); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; - } - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 144 && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } - } - else if (node.kind === 146 || node.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); - } - } - return false; - } - function checkGrammarModifiers(node) { - switch (node.kind) { - case 146: - case 147: - case 145: - case 142: - case 141: - case 144: - case 143: - case 150: - case 221: - case 225: - case 224: - case 231: - case 230: - case 139: - break; - case 216: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118) && - node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 217: - case 218: - case 196: - case 219: - if (node.modifiers && node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 220: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74) && - node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - default: - return false; - } - if (!node.modifiers) { - return; - } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - switch (modifier.kind) { - case 74: - if (node.kind !== 220 && node.parent.kind === 217) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74)); - } - break; - case 112: - case 111: - case 110: - var text = void 0; - if (modifier.kind === 112) { - text = "public"; - } - else if (modifier.kind === 111) { - text = "protected"; - lastProtected = modifier; - } - else { - text = "private"; - lastPrivate = modifier; - } - if (flags & 56) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 222 || node.parent.kind === 251) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); - } - else if (flags & 128) { - if (modifier.kind === 110) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 113: - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 222 || node.parent.kind === 251) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 64; - lastStatic = modifier; - break; - case 82: - if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 4) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 217) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 2; - break; - case 122: - if (flags & 4) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.parent.kind === 217) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); - } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); - } - flags |= 4; - lastDeclare = modifier; - break; - case 115: - if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); - } - if (node.kind !== 217) { - if (node.kind !== 144) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); - } - if (!(node.parent.kind === 217 && node.parent.flags & 128)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 16) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); - } - } - flags |= 128; - break; - case 118: - if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 4 || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); - } - flags |= 256; - lastAsync = modifier; - break; - } - } - if (node.kind === 145) { - if (flags & 64) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); - } - if (flags & 128) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); - } - else if (flags & 32) { - return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); - } - else if (flags & 16) { - return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); - } - else if (flags & 256) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); - } - return; - } - else if ((node.kind === 225 || node.kind === 224) && flags & 4) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); - } - else if (node.kind === 139 && (flags & 56) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); - } - if (flags & 256) { - return checkGrammarAsyncModifier(node, lastAsync); - } - } - function checkGrammarAsyncModifier(node, asyncModifier) { - if (languageVersion < 2) { - return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); - } - switch (node.kind) { - case 144: - case 216: - case 176: - case 177: - if (!node.asteriskToken) { - return false; - } - break; - } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); - } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function checkGrammarTypeParameterList(node, typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; - } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); - } - } - function checkGrammarParameterList(parameters) { - if (checkGrammarForDisallowedTrailingComma(parameters)) { - return true; - } - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); - } - } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); - } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); - } - } - } - function checkGrammarFunctionLikeDeclaration(node) { - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); - } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 177) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); - } - } - return false; - } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); - } - if (parameter.flags & 1022) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); - } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); - } - if (parameter.type.kind !== 130 && parameter.type.kind !== 128) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); - } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); - } - } - function checkGrammarForIndexSignatureModifier(node) { - if (node.flags & 1022) { - grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); - } - } - function checkGrammarIndexSignature(node) { - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); - } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { - var arg = args_1[_i]; - if (arg.kind === 190) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); - } - } - } - } - function checkGrammarArguments(node, args) { - return checkGrammarForDisallowedTrailingComma(args) || - checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; - } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); - } - } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); - } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); - } - seenImplementsClause = true; - } - checkGrammarHeritageClause(heritageClause); - } - } - } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); - } - checkGrammarHeritageClause(heritageClause); - } - } - return false; - } - function checkGrammarComputedPropertyName(node) { - if (node.kind !== 137) { - return false; - } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 184 && computedPropertyName.expression.operatorToken.kind === 24) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); - } - } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 216 || - node.kind === 176 || - node.kind === 144); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); - } - } - } - function checkGrammarForInvalidQuestionMark(node, questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); - } - } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = {}; - var Property = 1; - var GetAccessor = 2; - var SetAccesor = 4; - var GetOrSetAccessor = GetAccessor | SetAccesor; - var _loop_1 = function(prop) { - var name_19 = prop.name; - if (prop.kind === 190 || - name_19.kind === 137) { - checkGrammarComputedPropertyName(name_19); - return "continue"; - } - if (prop.kind === 249 && !inDestructuring && prop.objectAssignmentInitializer) { - return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; - } - ts.forEach(prop.modifiers, function (mod) { - if (mod.kind !== 118 || prop.kind !== 144) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - }); - var currentKind = void 0; - if (prop.kind === 248 || prop.kind === 249) { - checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_19.kind === 8) { - checkGrammarNumericLiteral(name_19); - } - currentKind = Property; - } - else if (prop.kind === 144) { - currentKind = Property; - } - else if (prop.kind === 146) { - currentKind = GetAccessor; - } - else if (prop.kind === 147) { - currentKind = SetAccesor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - if (!ts.hasProperty(seen, name_19.text)) { - seen[name_19.text] = currentKind; - } - else { - var existingKind = seen[name_19.text]; - if (currentKind === Property && existingKind === Property) { - return "continue"; - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[name_19.text] = currentKind | existingKind; - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; - } - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; - } - } - }; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var state_2 = _loop_1(prop); - if (typeof state_2 === "object") return state_2.value - if (state_2 === "continue") continue; - } - } - function checkGrammarJsxElement(node) { - var seen = {}; - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 242) { - continue; - } - var jsxAttr = attr; - var name_20 = jsxAttr.name; - if (!ts.hasProperty(seen, name_20.text)) { - seen[name_20.text] = true; - } - else { - return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 243 && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); - } - } - } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; - } - if (forInOrOfStatement.initializer.kind === 215) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); - } - } - } - return false; - } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (kind === 146 && accessor.parameters.length) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); - } - else if (kind === 147) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); - } - else if (accessor.parameters.length !== 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); - } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); - } - else if (parameter.flags & 1022) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); - } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); - } - } - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } - } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 168) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - } - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); - } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); - } - } - else if (node.parent.kind === 218) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); - } - else if (node.parent.kind === 156) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); - } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 210: - if (node.label && current.label.text === node.label.text) { - var isMisplacedContinueLabel = node.kind === 205 - && !ts.isIterationStatement(current.statement, true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 209: - if (node.kind === 206 && !node.label) { - return false; - } - break; - default: - if (ts.isIterationStatement(current, false) && !node.label) { - return false; - } - break; - } - current = current.parent; - } - if (node.label) { - var message = node.kind === 206 - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - else { - var message = node.kind === 206 - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 165 || node.name.kind === 164) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (node.initializer) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 203 && node.parent.parent.kind !== 204) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } - } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 69) { - if (name.originalKeywordKind === 108) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); - } - } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (element.kind !== 190) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } - } - } - } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { - return true; - } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); - } - } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 199: - case 200: - case 201: - case 208: - case 202: - case 203: - case 204: - return false; - case 210: - return allowLetAndConstDeclarations(parent.parent); - } - return true; - } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); - } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); - } - } - } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; - } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } - } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || - checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - } - else if (node.parent.kind === 218) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); - } - } - else if (node.parent.kind === 156) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); - } - } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - if (node.kind === 218 || - node.kind === 219 || - node.kind === 225 || - node.kind === 224 || - node.kind === 231 || - node.kind === 230 || - (node.flags & 4) || - (node.flags & (2 | 512))) { - return false; - } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); - } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 196) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } - } - } - } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); - } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); - } - if (node.parent.kind === 195 || node.parent.kind === 222 || node.parent.kind === 251) { - var links_1 = getNodeLinks(node.parent); - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); - } - } - else { - } - } - } - function checkGrammarNumericLiteral(node) { - if (node.flags & 32768 && languageVersion >= 1) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); - } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2)); - return true; - } - } - var _a; - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -var ts; -(function (ts) { - var nullSourceMapWriter; - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function getNullSourceMapWriter() { - if (nullSourceMapWriter === undefined) { - nullSourceMapWriter = { - getSourceMapData: function () { return undefined; }, - setSourceFile: function (sourceFile) { }, - emitStart: function (range) { }, - emitEnd: function (range, stopOverridingSpan) { }, - emitPos: function (pos) { }, - changeEmitSourcePos: function () { }, - getText: function () { return undefined; }, - getSourceMappingURL: function () { return undefined; }, - initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, - reset: function () { } - }; - } - return nullSourceMapWriter; - } - ts.getNullSourceMapWriter = getNullSourceMapWriter; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var currentSourceFile; - var sourceMapDir; - var stopOverridingSpan = false; - var modifyLastSourcePos = false; - var sourceMapSourceIndex; - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - var sourceMapData; - return { - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitStart: emitStart, - emitEnd: emitEnd, - changeEmitSourcePos: changeEmitSourcePos, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - initialize: initialize, - reset: reset - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - sourceMapSourceIndex = -1; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } - } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); - } - } - function reset() { - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; - } - function updateLastEncodedAndRecordedSpans() { - if (modifyLastSourcePos) { - modifyLastSourcePos = false; - lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; - lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; - sourceMapData.sourceMapDecodedMappings.pop(); - lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? - sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : - defaultLastEncodedSourceMapSpan; - var sourceMapMappings = sourceMapData.sourceMapMappings; - var lenthToSet = sourceMapMappings.length - 1; - for (; lenthToSet >= 0; lenthToSet--) { - var currentChar = sourceMapMappings.charAt(lenthToSet); - if (currentChar === ",") { - break; - } - if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { - break; - } - } - sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); - } - } - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { - return; - } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; - } - } - else { - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; - } - prevEncodedEmittedColumn = 1; - } - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (pos === -1) { - return; - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - encodeLastRecordedSourceMapSpan(); - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - stopOverridingSpan = false; - } - else if (!stopOverridingSpan) { - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - updateLastEncodedAndRecordedSpans(); - } - function getStartPos(range) { - var rangeHasDecorators = !!range.decorators; - return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; - } - function emitStart(range) { - emitPos(getStartPos(range)); - } - function emitEnd(range, stopOverridingEnd) { - emitPos(range.end); - stopOverridingSpan = stopOverridingEnd; - } - function changeEmitSourcePos() { - ts.Debug.assert(!modifyLastSourcePos); - modifyLastSourcePos = true; - } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - sourceMapData.inputSourceFileNames.push(sourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(sourceFile.text); - } - } - } - function getText() { - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent - }); - } - function getSourceMappingURL() { - if (compilerOptions.inlineSourceMap) { - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; - } - else { - return sourceMapData.jsSourceMappingURL; - } - } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); - } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; - } - else { - inValue = inValue << 1; - } - var encodedStr = ""; - do { - var currentDigit = inValue & 31; - inValue = inValue >> 5; - if (inValue > 0) { - currentDigit = currentDigit | 32; - } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); - } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer = createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - var referencePathsOutput = ""; - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); - } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); - } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); - } - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 225); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); - } - } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; - } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - write("export {};"); - writeLine(); - } - }); - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencePathsOutput: referencePathsOutput - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; - } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); - } - } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); - return writer; - } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; - } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 214) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 228 || declaration.kind === 229 || declaration.kind === 226) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 225) { - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 221) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 221) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } - }); - setWriter(oldWriter); - } - function handleSymbolAccessibilityError(symbolAccesibilityResult) { - if (symbolAccesibilityResult.accessibility === 0) { - if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); - } - } - else { - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - } - } - } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); - } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); - } - } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - emitType(type); - } - else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer); - errorNameNode = undefined; - } - } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - emitType(signature.type); - } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer); - errorNameNode = undefined; - } - } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } - } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } - } - } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); - } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, true, newLine, ts.writeCommentRange); - } - } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); - } - function emitType(type) { - switch (type.kind) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 162: - case 163: - return writeTextOfNode(currentText, type); - case 191: - return emitExpressionWithTypeArguments(type); - case 152: - return emitTypeReference(type); - case 155: - return emitTypeQuery(type); - case 157: - return emitArrayType(type); - case 158: - return emitTupleType(type); - case 159: - return emitUnionType(type); - case 160: - return emitIntersectionType(type); - case 161: - return emitParenType(type); - case 153: - case 154: - return emitSignatureDeclarationWithJsDocComments(type); - case 156: - return emitTypeLiteral(type); - case 69: - return emitEntityName(type); - case 136: - return emitEntityName(type); - case 151: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 69) { - writeTextOfNode(currentText, entityName); - } - else { - var left = entityName.kind === 136 ? entityName.left : entityName.expression; - var right = entityName.kind === 136 ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); - } - } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 224 ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - ts.Debug.assert(node.expression.kind === 69 || node.expression.kind === 169); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); - } - } - } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); - } - } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); - } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - emitLines(type.members); - decreaseIndent(); - } - write("}"); - } - } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); - emitLines(node.statements); - } - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!ts.hasProperty(currentIdentifiers, baseName)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_21 = baseName + "_" + count; - if (!ts.hasProperty(currentIdentifiers, name_21)) { - return name_21; - } - } - } - function emitExportAssignment(node) { - if (node.expression.kind === 69) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); - } - else { - var tempVarName = getExportDefaultTempVariableName(); - write("declare var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - if (node.expression.kind === 69) { - var nodes = resolver.collectLinkedAliases(node.expression); - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic(diagnostic) { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; - } - } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); - } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); - } - else if (node.kind === 224 || - (node.parent.kind === 251 && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251) { - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 225) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - } - } - function writeModuleElement(node) { - switch (node.kind) { - case 216: - return writeFunctionDeclaration(node); - case 196: - return writeVariableStatement(node); - case 218: - return writeInterfaceDeclaration(node); - case 217: - return writeClassDeclaration(node); - case 219: - return writeTypeAliasDeclaration(node); - case 220: - return writeEnumDeclaration(node); - case 221: - return writeModuleDeclaration(node); - case 224: - return writeImportEqualsDeclaration(node); - case 225: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } - } - function emitModuleElementDeclarationFlags(node) { - if (node.parent.kind === 251) { - if (node.flags & 2) { - write("export "); - } - if (node.flags & 512) { - write("default "); - } - else if (node.kind !== 218 && !noDeclare) { - write("declare "); - } - } - } - function emitClassMemberDeclarationFlags(node) { - if (node.flags & 16) { - write("private "); - } - else if (node.flags & 32) { - write("protected "); - } - if (node.flags & 64) { - write("static "); - } - if (node.flags & 128) { - write("abstract "); - } - } - function writeImportEqualsDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2) { - write("export "); - } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); - } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); - } - writer.writeLine(); - function getImportEntityNameVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; - } - } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 227) { - return resolver.isDeclarationVisible(namedBindings); - } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); - } - } - } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2) { - write("export "); - } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - write(", "); - } - if (node.importClause.namedBindings.kind === 227) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); - } - else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); - } - } - write(" from "); - } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); - } - function emitExternalModuleSpecifier(parent) { - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221; - var moduleSpecifier; - if (parent.kind === 224) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 221) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write("\""); - write(moduleName); - write("\""); - return; - } - } - writeTextOfNode(currentText, moduleSpecifier); - } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); - } - writeTextOfNode(currentText, node.name); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); - } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); - } - else { - if (node.flags & 65536) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); - } - else { - writeTextOfNode(currentText, node.name); - } - } - while (node.body.kind !== 222) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); - } - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; - } - } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); - } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); - } - write(","); - writeLine(); - } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 144 && (node.parent.flags & 16); - } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 153 || - node.parent.kind === 154 || - (node.parent.parent && node.parent.parent.kind === 156)) { - ts.Debug.assert(node.parent.kind === 144 || - node.parent.kind === 143 || - node.parent.kind === 153 || - node.parent.kind === 154 || - node.parent.kind === 148 || - node.parent.kind === 149); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.parent.kind) { - case 217: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 218: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 149: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 144: - case 143: - if (node.parent.flags & 64) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 216: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; - } - } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); - } - } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); - } - function emitTypeOfTypeReference(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 93) { - write("null"); - } - function getHeritageClauseVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (node.parent.parent.kind === 217) { - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (param.flags & 56) { - emitPropertyDeclaration(param); - } - }); - } - } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (node.flags & 128) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], false); - } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(node); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - if (node.kind !== 214 || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - if ((node.kind === 142 || node.kind === 141) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 142 || node.kind === 141) && node.parent.kind === 156) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.flags & 16)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } - } - } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - if (node.kind === 214) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 142 || node.kind === 141) { - if (node.flags & 64) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 217) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } - } - } - function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); - } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); - } - } - } - } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - if (node.type) { - write(": "); - emitType(node.type); - } - } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); - } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); - } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); - } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(node); - writeTextOfNode(currentText, node.name); - if (!(node.flags & 16)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - var anotherAccessor = node.kind === 146 ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); - } - write(";"); - writeLine(); - } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 146 - ? accessor.type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type - : undefined; - } - } - function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 147) { - if (accessorWithTypeAnnotation.parent.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (accessorWithTypeAnnotation.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; - } - } - } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 216) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 144) { - emitClassMemberDeclarationFlags(node); - } - if (node.kind === 216) { - write("function "); - writeTextOfNode(currentText, node.name); - } - else if (node.kind === 145) { - write("constructor"); - } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); - } - } - emitSignatureDeclaration(node); - } - } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - if (node.kind === 149 || node.kind === 154) { - write("new "); - } - emitTypeParameters(node.typeParameters); - if (node.kind === 150) { - write("["); - } - else { - write("("); - } - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 150) { - write("]"); - } - else { - write(")"); - } - var isFunctionTypeOrConstructorType = node.kind === 153 || node.kind === 154; - if (isFunctionTypeOrConstructorType || node.parent.kind === 156) { - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } - } - else if (node.kind !== 145 && !(node.flags & 16)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); - } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); - } - function getReturnTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 149: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 150: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 144: - case 143: - if (node.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 217) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 216: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; - } - } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - } - if (resolver.isOptionalParameter(node)) { - write("?"); - } - decreaseIndent(); - if (node.parent.kind === 153 || - node.parent.kind === 154 || - node.parent.parent.kind === 156) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.parent.flags & 16)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); - } - function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - switch (node.parent.kind) { - case 145: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 149: - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148: - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 144: - case 143: - if (node.parent.flags & 64) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 216: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); - } - } - function emitBindingPattern(bindingPattern) { - 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ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); - var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; - var currentSourceFile; - var currentText; - var currentLineMap; - var currentFileIdentifiers; - var renamedDependencies; - var isEs6Module; - var isCurrentFileExternalModule; - var exportFunctionForFile; - var contextObjectForFile; - var generatedNameSet; - var nodeToGeneratedName; - var computedPropertyNamesToGeneratedNames; - var decoratedClassAliases; - var convertedLoopState; - var extendsEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var tempFlags = 0; - var tempVariables; - var tempParameters; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var detachedCommentsInfo; - var sourceMapData; - var isOwnFileEmit; - var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; - var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; - var moduleEmitDelegates = (_a = {}, - _a[5] = emitES6Module, - _a[2] = emitAMDModule, - _a[4] = emitSystemModule, - _a[3] = emitUMDModule, - _a[1] = emitCommonJSModule, - _a - ); - var bundleEmitDelegates = (_b = {}, - _b[5] = function () { }, - _b[2] = emitAMDModule, - _b[4] = emitSystemModule, - _b[3] = function () { }, - _b[1] = function () { }, - _b - ); - return doEmit; - function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - generatedNameSet = {}; - nodeToGeneratedName = []; - decoratedClassAliases = []; - isOwnFileEmit = !isBundledEmit; - if (isBundledEmit && modulekind) { - ts.forEach(sourceFiles, emitEmitHelpers); - } - ts.forEach(sourceFiles, emitSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# sourceMappingURL=" + sourceMappingURL); - } - writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, compilerOptions.emitBOM); - sourceMap.reset(); - writer.reset(); - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - generatedNameSet = undefined; - nodeToGeneratedName = undefined; - decoratedClassAliases = undefined; - computedPropertyNamesToGeneratedNames = undefined; - convertedLoopState = undefined; - extendsEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = undefined; - detachedCommentsInfo = undefined; - sourceMapData = undefined; - isEs6Module = false; - renamedDependencies = undefined; - isCurrentFileExternalModule = false; - } - function emitSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = sourceFile.text; - currentLineMap = ts.getLineStarts(sourceFile); - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; - renamedDependencies = sourceFile.renamedDependencies; - currentFileIdentifiers = sourceFile.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(sourceFile); - setSourceFile(sourceFile); - emitNodeWithCommentsAndWithoutSourcemap(sourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_22 = flags === 268435456 ? "_i" : "_n"; - if (isUniqueName(name_22)) { - tempFlags |= flags; - return name_22; - } - } - while (true) { - var count = tempFlags & 268435455; - tempFlags++; - if (count !== 8 && count !== 13) { - var name_23 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26); - if (isUniqueName(name_23)) { - return name_23; - } - } - } - } - function makeUniqueName(baseName) { - if (baseName.charCodeAt(baseName.length - 1) !== 95) { - baseName += "_"; - } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; - } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = node.name.text; - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 69: - return makeUniqueName(node.text); - case 221: - case 220: - return generateNameForModuleOrEnum(node); - case 225: - case 231: - return generateNameForImportOrExportDeclaration(node); - case 216: - case 217: - case 230: - return generateNameForExportDefault(); - case 189: - return generateNameForClassExpression(); - } - } - function getGeneratedNameForNode(node) { - var id = ts.getNodeId(node); - return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); - } - function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); - } - function createTempVariable(flags) { - var result = ts.createSynthesizedNode(69); - result.text = makeTempVariableName(flags); - return result; - } - function recordTempDeclaration(name) { - if (!tempVariables) { - tempVariables = []; - } - tempVariables.push(name); - } - function createAndRecordTempVariable(flags) { - var temp = createTempVariable(flags); - recordTempDeclaration(temp); - return temp; - } - function emitTempDeclarations(newLine) { - if (tempVariables) { - if (newLine) { - writeLine(); - } - else { - write(" "); - } - write("var "); - emitCommaList(tempVariables); - write(";"); - } - } - function emitToken(tokenKind, startPos, emitFn) { - var tokenStartPos = ts.skipTrivia(currentText, startPos); - emitPos(tokenStartPos); - var tokenString = ts.tokenToString(tokenKind); - if (emitFn) { - emitFn(); - } - else { - write(tokenString); - } - var tokenEndPos = tokenStartPos + tokenString.length; - emitPos(tokenEndPos); - return tokenEndPos; - } - function emitOptional(prefix, node) { - if (node) { - write(prefix); - emit(node); - } - } - function emitParenthesizedIf(node, parenthesized) { - if (parenthesized) { - write("("); - } - emit(node); - if (parenthesized) { - write(")"); - } - } - function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { - ts.Debug.assert(nodes.length > 0); - increaseIndent(); - if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - for (var i = 0, n = nodes.length; i < n; i++) { - if (i) { - if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { - write(", "); - } - else { - write(","); - writeLine(); - } - } - emit(nodes[i]); - } - if (nodes.hasTrailingComma && allowTrailingComma) { - write(","); - } - decreaseIndent(); - if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - } - function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { - if (!emitNode) { - emitNode = emit; - } - for (var i = 0; i < count; i++) { - if (multiLine) { - if (i || leadingComma) { - write(","); - } - writeLine(); - } - else { - if (i || leadingComma) { - write(", "); - } - } - var node = nodes[start + i]; - emitTrailingCommentsOfPosition(node.pos); - emitNode(node); - leadingComma = true; - } - if (trailingComma) { - write(","); - } - if (multiLine && !noTrailingNewLine) { - writeLine(); - } - return count; - } - function emitCommaList(nodes) { - if (nodes) { - emitList(nodes, 0, nodes.length, false, false); - } - } - function emitLines(nodes) { - emitLinesStartingAt(nodes, 0); - } - function emitLinesStartingAt(nodes, startIndex) { - for (var i = startIndex; i < nodes.length; i++) { - writeLine(); - emit(nodes[i]); - } - } - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98: - case 66: - case 111: - case 79: - return true; - } - } - return false; - } - function emitLiteral(node) { - var text = getLiteralText(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); - } - else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { - write(node.text); - } - else { - write(text); - } - } - function getLiteralText(node) { - if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText("\"", node.text, "\""); - } - if (node.parent) { - return ts.getTextOfNodeFromSourceText(currentText, node); - } - switch (node.kind) { - case 9: - return getQuotedEscapedLiteralText("\"", node.text, "\""); - case 11: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 12: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 13: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 14: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8: - return node.text; - } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; - } - function emitDownlevelRawTemplateLiteral(node) { - var text = ts.getTextOfNodeFromSourceText(currentText, node); - var isLast = node.kind === 11 || node.kind === 14; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - text = text.replace(/\r\n?/g, "\n"); - text = ts.escapeString(text); - write("\"" + text + "\""); - } - function emitDownlevelTaggedTemplateArray(node, literalEmitter) { - write("["); - if (node.template.kind === 11) { - literalEmitter(node.template); - } - else { - literalEmitter(node.template.head); - ts.forEach(node.template.templateSpans, function (child) { - write(", "); - literalEmitter(child.literal); - }); - } - write("]"); - } - function emitDownlevelTaggedTemplate(node) { - var tempVariable = createAndRecordTempVariable(0); - write("("); - emit(tempVariable); - write(" = "); - emitDownlevelTaggedTemplateArray(node, emit); - write(", "); - emit(tempVariable); - write(".raw = "); - emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); - write(", "); - emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); - write("("); - emit(tempVariable); - if (node.template.kind === 186) { - ts.forEach(node.template.templateSpans, function (templateSpan) { - write(", "); - var needsParens = templateSpan.expression.kind === 184 - && templateSpan.expression.operatorToken.kind === 24; - emitParenthesizedIf(templateSpan.expression, needsParens); - }); - } - write("))"); - } - function emitTemplateExpression(node) { - if (languageVersion >= 2) { - ts.forEachChild(node, emit); - return; - } - var emitOuterParens = ts.isExpression(node.parent) - && templateNeedsParens(node, node.parent); - if (emitOuterParens) { - write("("); - } - var headEmitted = false; - if (shouldEmitTemplateHead()) { - emitLiteral(node.head); - headEmitted = true; - } - for (var i = 0, n = node.templateSpans.length; i < n; i++) { - var templateSpan = node.templateSpans[i]; - var needsParens = templateSpan.expression.kind !== 175 - && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1; - if (i > 0 || headEmitted) { - write(" + "); - } - emitParenthesizedIf(templateSpan.expression, needsParens); - if (templateSpan.literal.text.length !== 0) { - write(" + "); - emitLiteral(templateSpan.literal); - } - } - if (emitOuterParens) { - write(")"); - } - function shouldEmitTemplateHead() { - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - function templateNeedsParens(template, parent) { - switch (parent.kind) { - case 171: - case 172: - return parent.expression === template; - case 173: - case 175: - return false; - default: - return comparePrecedenceToBinaryPlus(parent) !== -1; - } - } - function comparePrecedenceToBinaryPlus(expression) { - switch (expression.kind) { - case 184: - switch (expression.operatorToken.kind) { - case 37: - case 39: - case 40: - return 1; - case 35: - case 36: - return 0; - default: - return -1; - } - case 187: - case 185: - return -1; - default: - return 1; - } - } - } - function emitTemplateSpan(span) { - emit(span.expression); - emit(span.literal); - } - function jsxEmitReact(node) { - function emitTagName(name) { - if (name.kind === 69 && ts.isIntrinsicJsxName(name.text)) { - write("\""); - emit(name); - write("\""); - } - else { - emit(name); - } - } - function emitAttributeName(name) { - if (/^[A-Za-z_]\w*$/.test(name.text)) { - emit(name); - } - else { - write("\""); - emit(name); - write("\""); - } - } - function emitJsxAttribute(node) { - emitAttributeName(node.name); - write(": "); - if (node.initializer) { - emit(node.initializer); - } - else { - write("true"); - } - } - function emitJsxElement(openingNode, children) { - var syntheticReactRef = ts.createSynthesizedNode(69); - syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - syntheticReactRef.parent = openingNode; - emitLeadingComments(openingNode); - emitExpressionIdentifier(syntheticReactRef); - write(".createElement("); - emitTagName(openingNode.tagName); - write(", "); - if (openingNode.attributes.length === 0) { - write("null"); - } - else { - var attrs = openingNode.attributes; - if (ts.forEach(attrs, function (attr) { return attr.kind === 242; })) { - emitExpressionIdentifier(syntheticReactRef); - write(".__spread("); - var haveOpenedObjectLiteral = false; - for (var i = 0; i < attrs.length; i++) { - if (attrs[i].kind === 242) { - if (i === 0) { - write("{}, "); - } - if (haveOpenedObjectLiteral) { - write("}"); - haveOpenedObjectLiteral = false; - } - if (i > 0) { - write(", "); - } - emit(attrs[i].expression); - } - else { - ts.Debug.assert(attrs[i].kind === 241); - if (haveOpenedObjectLiteral) { - write(", "); - } - else { - haveOpenedObjectLiteral = true; - if (i > 0) { - write(", "); - } - write("{"); - } - emitJsxAttribute(attrs[i]); - } - } - if (haveOpenedObjectLiteral) - write("}"); - write(")"); - } - else { - write("{"); - for (var i = 0, n = attrs.length; i < n; i++) { - if (i > 0) { - write(", "); - } - emitJsxAttribute(attrs[i]); - } - write("}"); - } - } - if (children) { - for (var i = 0; i < children.length; i++) { - if (children[i].kind === 243 && !(children[i].expression)) { - continue; - } - if (children[i].kind === 239) { - var text = getTextToEmit(children[i]); - if (text !== undefined) { - write(", \""); - write(text); - write("\""); - } - } - else { - write(", "); - emit(children[i]); - } - } - } - write(")"); - emitTrailingComments(openingNode); - } - if (node.kind === 236) { - emitJsxElement(node.openingElement, node.children); - } - else { - ts.Debug.assert(node.kind === 237); - emitJsxElement(node); - } - } - function jsxEmitPreserve(node) { - function emitJsxAttribute(node) { - emit(node.name); - if (node.initializer) { - write("="); - emit(node.initializer); - } - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emit(node.expression); - write("}"); - } - function emitAttributes(attribs) { - for (var i = 0, n = attribs.length; i < n; i++) { - if (i > 0) { - write(" "); - } - if (attribs[i].kind === 242) { - emitJsxSpreadAttribute(attribs[i]); - } - else { - ts.Debug.assert(attribs[i].kind === 241); - emitJsxAttribute(attribs[i]); - } - } - } - function emitJsxOpeningOrSelfClosingElement(node) { - write("<"); - emit(node.tagName); - if (node.attributes.length > 0 || (node.kind === 237)) { - write(" "); - } - emitAttributes(node.attributes); - if (node.kind === 237) { - write("/>"); - } - else { - write(">"); - } - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxElement(node) { - emitJsxOpeningOrSelfClosingElement(node.openingElement); - for (var i = 0, n = node.children.length; i < n; i++) { - emit(node.children[i]); - } - emitJsxClosingElement(node.closingElement); - } - if (node.kind === 236) { - emitJsxElement(node); - } - else { - ts.Debug.assert(node.kind === 237); - emitJsxOpeningOrSelfClosingElement(node); - } - } - function emitExpressionForPropertyName(node) { - ts.Debug.assert(node.kind !== 166); - if (node.kind === 9) { - emitLiteral(node); - } - else if (node.kind === 137) { - if (ts.nodeIsDecorated(node.parent)) { - if (!computedPropertyNamesToGeneratedNames) { - computedPropertyNamesToGeneratedNames = []; - } - var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; - if (generatedName) { - write(generatedName); - return; - } - generatedName = createAndRecordTempVariable(0).text; - computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; - write(generatedName); - write(" = "); - } - emit(node.expression); - } - else { - write("\""); - if (node.kind === 8) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - write("\""); - } - } - function isExpressionIdentifier(node) { - var parent = node.parent; - switch (parent.kind) { - case 167: - case 192: - case 184: - case 171: - case 244: - case 137: - case 185: - case 140: - case 178: - case 200: - case 170: - case 230: - case 198: - case 191: - case 202: - case 203: - case 204: - case 199: - case 240: - case 237: - case 238: - case 242: - case 243: - case 172: - case 175: - case 183: - case 182: - case 207: - case 249: - case 188: - case 209: - case 173: - case 193: - case 211: - case 174: - case 179: - case 180: - case 201: - case 208: - case 187: - return true; - case 166: - case 250: - case 139: - case 248: - case 142: - case 214: - return parent.initializer === node; - case 169: - return parent.expression === node; - case 177: - case 176: - return parent.body === node; - case 224: - return parent.moduleReference === node; - case 136: - return parent.left === node; - } - return false; - } - function emitExpressionIdentifier(node) { - var container = resolver.getReferencedExportContainer(node); - if (container) { - if (container.kind === 251) { - if (modulekind !== 5 && modulekind !== 4) { - write("exports."); - } - } - else { - write(getGeneratedNameForNode(container)); - write("."); - } - } - else { - if (modulekind !== 5) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (declaration.kind === 226) { - write(getGeneratedNameForNode(declaration.parent)); - write(languageVersion === 0 ? "[\"default\"]" : ".default"); - return; - } - else if (declaration.kind === 229) { - write(getGeneratedNameForNode(declaration.parent.parent.parent)); - var name_24 = declaration.propertyName || declaration.name; - var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); - if (languageVersion === 0 && identifier === "default") { - write("[\"default\"]"); - } - else { - write("."); - write(identifier); - } - return; - } - } - } - if (languageVersion < 2) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - write(getGeneratedNameForNode(declaration.name)); - return; - } - } - else if (resolver.getNodeCheckFlags(node) & 1048576) { - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; - if (classAlias !== undefined) { - write(classAlias); - return; - } - } - } - } - if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { - if (languageVersion < 2) { - var parent_8 = node.parent; - switch (parent_8.kind) { - case 166: - case 217: - case 220: - case 214: - return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); - } - } - return false; - } - function emitIdentifier(node) { - if (convertedLoopState) { - if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { - var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); - write(name_25); - return; - } - } - if (!node.parent) { - write(node.text); - } - else if (isExpressionIdentifier(node)) { - emitExpressionIdentifier(node); - } - else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { - write(getGeneratedNameForNode(node)); - } - else if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function emitThis(node) { - if (resolver.getNodeCheckFlags(node) & 2) { - write("_this"); - } - else if (convertedLoopState) { - write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); - } - else { - write("this"); - } - } - function emitSuper(node) { - if (languageVersion >= 2) { - write("super"); - } - else { - var flags = resolver.getNodeCheckFlags(node); - if (flags & 256) { - write("_super.prototype"); - } - else { - write("_super"); - } - } - } - function emitObjectBindingPattern(node) { - write("{ "); - var elements = node.elements; - emitList(elements, 0, elements.length, false, elements.hasTrailingComma); - write(" }"); - } - function emitArrayBindingPattern(node) { - write("["); - var elements = node.elements; - emitList(elements, 0, elements.length, false, elements.hasTrailingComma); - write("]"); - } - function emitBindingElement(node) { - if (node.propertyName) { - emit(node.propertyName); - write(": "); - } - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emit(node.name); - } - else { - emitModuleMemberName(node); - } - emitOptional(" = ", node.initializer); - } - function emitSpreadElementExpression(node) { - write("..."); - emit(node.expression); - } - function emitYieldExpression(node) { - write(ts.tokenToString(114)); - if (node.asteriskToken) { - write("*"); - } - if (node.expression) { - write(" "); - emit(node.expression); - } - } - function emitAwaitExpression(node) { - var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); - if (needsParenthesis) { - write("("); - } - write(ts.tokenToString(114)); - write(" "); - emit(node.expression); - if (needsParenthesis) { - write(")"); - } - } - function needsParenthesisForAwaitExpressionAsYield(node) { - if (node.parent.kind === 184 && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { - return true; - } - else if (node.parent.kind === 185 && node.parent.condition === node) { - return true; - } - return false; - } - function needsParenthesisForPropertyAccessOrInvocation(node) { - switch (node.kind) { - case 69: - case 167: - case 169: - case 170: - case 171: - case 175: - return false; - } - return true; - } - function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { - var pos = 0; - var group = 0; - var length = elements.length; - while (pos < length) { - if (group === 1 && useConcat) { - write(".concat("); - } - else if (group > 0) { - write(", "); - } - var e = elements[pos]; - if (e.kind === 188) { - e = e.expression; - emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); - pos++; - if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167) { - write(".slice()"); - } - } - else { - var i = pos; - while (i < length && elements[i].kind !== 188) { - i++; - } - write("["); - if (multiLine) { - increaseIndent(); - } - emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); - if (multiLine) { - decreaseIndent(); - } - write("]"); - pos = i; - } - group++; - } - if (group > 1) { - if (useConcat) { - write(")"); - } - } - } - function isSpreadElementExpression(node) { - return node.kind === 188; - } - function emitArrayLiteral(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); - } - else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) { - write("["); - emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false); - write("]"); - } - else { - emitListWithSpread(elements, true, (node.flags & 1024) !== 0, elements.hasTrailingComma, true); - } - } - function emitObjectLiteralBody(node, numElements) { - if (numElements === 0) { - write("{}"); - return; - } - write("{"); - if (numElements > 0) { - var properties = node.properties; - if (numElements === properties.length) { - emitLinePreservingList(node, properties, languageVersion >= 1, true); - } - else { - var multiLine = (node.flags & 1024) !== 0; - if (!multiLine) { - write(" "); - } - else { - increaseIndent(); - } - emitList(properties, 0, numElements, multiLine, false); - if (!multiLine) { - write(" "); - } - else { - decreaseIndent(); - } - } - } - write("}"); - } - function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { - var multiLine = (node.flags & 1024) !== 0; - var properties = node.properties; - write("("); - if (multiLine) { - increaseIndent(); - } - var tempVar = createAndRecordTempVariable(0); - emit(tempVar); - write(" = "); - emitObjectLiteralBody(node, firstComputedPropertyIndex); - for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { - writeComma(); - var property = properties[i]; - emitStart(property); - if (property.kind === 146 || property.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property !== accessors.firstAccessor) { - continue; - } - write("Object.defineProperty("); - emit(tempVar); - write(", "); - emitStart(node.name); - emitExpressionForPropertyName(property.name); - emitEnd(property.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("})"); - emitEnd(property); - } - else { - emitLeadingComments(property); - emitStart(property.name); - emit(tempVar); - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - if (property.kind === 248) { - emit(property.initializer); - } - else if (property.kind === 249) { - emitExpressionIdentifier(property.name); - } - else if (property.kind === 144) { - emitFunctionDeclaration(property); - } - else { - ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); - } - } - emitEnd(property); - } - writeComma(); - emit(tempVar); - if (multiLine) { - decreaseIndent(); - writeLine(); - } - write(")"); - function writeComma() { - if (multiLine) { - write(","); - writeLine(); - } - else { - write(", "); - } - } - } - function emitObjectLiteral(node) { - var properties = node.properties; - if (languageVersion < 2) { - var numProperties = properties.length; - var numInitialNonComputedProperties = numProperties; - for (var i = 0, n = properties.length; i < n; i++) { - if (properties[i].name.kind === 137) { - numInitialNonComputedProperties = i; - break; - } - } - var hasComputedProperty = numInitialNonComputedProperties !== properties.length; - if (hasComputedProperty) { - emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); - return; - } - } - emitObjectLiteralBody(node, properties.length); - } - function createBinaryExpression(left, operator, right, startsOnNewLine) { - var result = ts.createSynthesizedNode(184, startsOnNewLine); - result.operatorToken = ts.createSynthesizedNode(operator); - result.left = left; - result.right = right; - return result; - } - function createPropertyAccessExpression(expression, name) { - var result = ts.createSynthesizedNode(169); - result.expression = parenthesizeForAccess(expression); - result.dotToken = ts.createSynthesizedNode(21); - result.name = name; - return result; - } - function createElementAccessExpression(expression, argumentExpression) { - var result = ts.createSynthesizedNode(170); - result.expression = parenthesizeForAccess(expression); - result.argumentExpression = argumentExpression; - return result; - } - function parenthesizeForAccess(expr) { - while (expr.kind === 174 || expr.kind === 192) { - expr = expr.expression; - } - if (ts.isLeftHandSideExpression(expr) && - expr.kind !== 172 && - expr.kind !== 8) { - return expr; - } - var node = ts.createSynthesizedNode(175); - node.expression = expr; - return node; - } - function emitComputedPropertyName(node) { - write("["); - emitExpressionForPropertyName(node); - write("]"); - } - function emitMethod(node) { - if (languageVersion >= 2 && node.asteriskToken) { - write("*"); - } - emit(node.name); - if (languageVersion < 2) { - write(": function "); - } - emitSignatureAndBody(node); - } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - emitTrailingCommentsOfPosition(node.initializer.pos); - emit(node.initializer); - } - function isNamespaceExportReference(node) { - var container = resolver.getReferencedExportContainer(node); - return container && container.kind !== 251; - } - function emitShorthandPropertyAssignment(node) { - writeTextOfNode(currentText, node.name); - if (modulekind !== 5 || isNamespaceExportReference(node.name)) { - write(": "); - emit(node.name); - } - if (languageVersion >= 2 && node.objectAssignmentInitializer) { - write(" = "); - emit(node.objectAssignmentInitializer); - } - } - function tryEmitConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - write(constantValue.toString()); - if (!compilerOptions.removeComments) { - var propertyName = node.kind === 169 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); - write(" /* " + propertyName + " */"); - } - return true; - } - return false; - } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return node.kind === 169 || node.kind === 170 - ? resolver.getConstantValue(node) - : undefined; - } - function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { - var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); - var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); - if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { - increaseIndent(); - writeLine(); - return true; - } - else { - if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); - } - return false; - } - } - function emitPropertyAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 && - node.expression.kind === 95 && - isInAsyncMethodWithSuperInES6(node)) { - var name_26 = ts.createSynthesizedNode(9); - name_26.text = node.name.text; - emitSuperAccessInAsyncMethod(node.expression, name_26); - return; - } - emit(node.expression); - var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); - var shouldEmitSpace = false; - if (!indentedBeforeDot) { - if (node.expression.kind === 8) { - var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); - shouldEmitSpace = text.indexOf(ts.tokenToString(21)) < 0; - } - else { - var constantValue = tryGetConstEnumValue(node.expression); - shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; - } - } - if (shouldEmitSpace) { - write(" ."); - } - else { - write("."); - } - var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); - emit(node.name); - decreaseIndentIf(indentedBeforeDot, indentedAfterDot); - } - function emitQualifiedName(node) { - emit(node.left); - write("."); - emit(node.right); - } - function emitQualifiedNameAsExpression(node, useFallback) { - if (node.left.kind === 69) { - emitEntityNameAsExpression(node.left, useFallback); - } - else if (useFallback) { - var temp = createAndRecordTempVariable(0); - write("("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(node.left, true); - write(") && "); - emitNodeWithoutSourceMap(temp); - } - else { - emitEntityNameAsExpression(node.left, false); - } - write("."); - emit(node.right); - } - function emitEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 69: - if (useFallback) { - write("typeof "); - emitExpressionIdentifier(node); - write(" !== 'undefined' && "); - } - emitExpressionIdentifier(node); - break; - case 136: - emitQualifiedNameAsExpression(node, useFallback); - break; - default: - emitNodeWithoutSourceMap(node); - break; - } - } - function emitIndexedAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 && - node.expression.kind === 95 && - isInAsyncMethodWithSuperInES6(node)) { - emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); - return; - } - emit(node.expression); - write("["); - emit(node.argumentExpression); - write("]"); - } - function hasSpreadElement(elements) { - return ts.forEach(elements, function (e) { return e.kind === 188; }); - } - function skipParentheses(node) { - while (node.kind === 175 || node.kind === 174 || node.kind === 192) { - node = node.expression; - } - return node; - } - function emitCallTarget(node) { - if (node.kind === 69 || node.kind === 97 || node.kind === 95) { - emit(node); - return node; - } - var temp = createAndRecordTempVariable(0); - write("("); - emit(temp); - write(" = "); - emit(node); - write(")"); - return temp; - } - function emitCallWithSpread(node) { - var target; - var expr = skipParentheses(node.expression); - if (expr.kind === 169) { - target = emitCallTarget(expr.expression); - write("."); - emit(expr.name); - } - else if (expr.kind === 170) { - target = emitCallTarget(expr.expression); - write("["); - emit(expr.argumentExpression); - write("]"); - } - else if (expr.kind === 95) { - target = expr; - write("_super"); - } - else { - emit(node.expression); - } - write(".apply("); - if (target) { - if (target.kind === 95) { - emitThis(target); - } - else { - emit(target); - } - } - else { - write("void 0"); - } - write(", "); - emitListWithSpread(node.arguments, false, false, false, true); - write(")"); - } - function isInAsyncMethodWithSuperInES6(node) { - if (languageVersion === 2) { - var container = ts.getSuperContainer(node, false); - if (container && resolver.getNodeCheckFlags(container) & (2048 | 4096)) { - return true; - } - } - return false; - } - function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { - var container = ts.getSuperContainer(superNode, false); - var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096; - write("_super("); - emit(argumentExpression); - write(isSuperBinding ? ").value" : ")"); - } - function emitCallExpression(node) { - if (languageVersion < 2 && hasSpreadElement(node.arguments)) { - emitCallWithSpread(node); - return; - } - var expression = node.expression; - var superCall = false; - var isAsyncMethodWithSuper = false; - if (expression.kind === 95) { - emitSuper(expression); - superCall = true; - } - else { - superCall = ts.isSuperPropertyOrElementAccess(expression); - isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); - emit(expression); - } - if (superCall && (languageVersion < 2 || isAsyncMethodWithSuper)) { - write(".call("); - emitThis(expression); - if (node.arguments.length) { - write(", "); - emitCommaList(node.arguments); - } - write(")"); - } - else { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - function emitNewExpression(node) { - write("new "); - if (languageVersion === 1 && - node.arguments && - hasSpreadElement(node.arguments)) { - write("("); - var target = emitCallTarget(node.expression); - write(".bind.apply("); - emit(target); - write(", [void 0].concat("); - emitListWithSpread(node.arguments, false, false, false, false); - write(")))"); - write("()"); - } - else { - emit(node.expression); - if (node.arguments) { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - } - function emitTaggedTemplateExpression(node) { - if (languageVersion >= 2) { - emit(node.tag); - write(" "); - emit(node.template); - } - else { - emitDownlevelTaggedTemplate(node); - } - } - function emitParenExpression(node) { - if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177) { - if (node.expression.kind === 174 || node.expression.kind === 192) { - var operand = node.expression.expression; - while (operand.kind === 174 || operand.kind === 192) { - operand = operand.expression; - } - if (operand.kind !== 182 && - operand.kind !== 180 && - operand.kind !== 179 && - operand.kind !== 178 && - operand.kind !== 183 && - operand.kind !== 172 && - !(operand.kind === 171 && node.parent.kind === 172) && - !(operand.kind === 176 && node.parent.kind === 171) && - !(operand.kind === 8 && node.parent.kind === 169)) { - emit(operand); - return; - } - } - } - write("("); - emit(node.expression); - write(")"); - } - function emitDeleteExpression(node) { - write(ts.tokenToString(78)); - write(" "); - emit(node.expression); - } - function emitVoidExpression(node) { - write(ts.tokenToString(103)); - write(" "); - emit(node.expression); - } - function emitTypeOfExpression(node) { - write(ts.tokenToString(101)); - write(" "); - emit(node.expression); - } - function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { - if (!isCurrentFileSystemExternalModule() || node.kind !== 69 || ts.nodeIsSynthesized(node)) { - return false; - } - var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 || node.parent.kind === 166); - var targetDeclaration = isVariableDeclarationOrBindingElement - ? node.parent - : resolver.getReferencedValueDeclaration(node); - return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, true); - } - function emitPrefixUnaryExpression(node) { - var exportChanged = (node.operator === 41 || node.operator === 42) && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - } - write(ts.tokenToString(node.operator)); - if (node.operand.kind === 182) { - var operand = node.operand; - if (node.operator === 35 && (operand.operator === 35 || operand.operator === 41)) { - write(" "); - } - else if (node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) { - write(" "); - } - } - emit(node.operand); - if (exportChanged) { - write(")"); - } - } - function emitPostfixUnaryExpression(node) { - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - write("(" + exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - write(ts.tokenToString(node.operator)); - emit(node.operand); - if (node.operator === 41) { - write(") - 1)"); - } - else { - write(") + 1)"); - } - } - else { - emit(node.operand); - write(ts.tokenToString(node.operator)); - } - } - function shouldHoistDeclarationInSystemJsModule(node) { - return isSourceFileLevelDeclarationInSystemJsModule(node, false); - } - function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { - if (!node || !isCurrentFileSystemExternalModule()) { - return false; - } - var current = ts.getRootDeclaration(node).parent; - while (current) { - if (current.kind === 251) { - return !isExported || ((ts.getCombinedNodeFlags(node) & 2) !== 0); - } - else if (ts.isDeclaration(current)) { - return false; - } - else { - current = current.parent; - } - } - } - function emitExponentiationOperator(node) { - var leftHandSideExpression = node.left; - if (node.operatorToken.kind === 60) { - var synthesizedLHS = void 0; - var shouldEmitParentheses = false; - if (ts.isElementAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(170, false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); - synthesizedLHS.expression = identifier; - if (leftHandSideExpression.argumentExpression.kind !== 8 && - leftHandSideExpression.argumentExpression.kind !== 9) { - var tempArgumentExpression = createAndRecordTempVariable(268435456); - synthesizedLHS.argumentExpression = tempArgumentExpression; - emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, true, leftHandSideExpression.expression); - } - else { - synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; - } - write(", "); - } - else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(169, false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); - synthesizedLHS.expression = identifier; - synthesizedLHS.dotToken = leftHandSideExpression.dotToken; - synthesizedLHS.name = leftHandSideExpression.name; - write(", "); - } - emit(synthesizedLHS || leftHandSideExpression); - write(" = "); - write("Math.pow("); - emit(synthesizedLHS || leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - if (shouldEmitParentheses) { - write(")"); - } - } - else { - write("Math.pow("); - emit(leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - } - } - function emitBinaryExpression(node) { - if (languageVersion < 2 && node.operatorToken.kind === 56 && - (node.left.kind === 168 || node.left.kind === 167)) { - emitDestructuring(node, node.parent.kind === 198); - } - else { - var exportChanged = node.operatorToken.kind >= 56 && - node.operatorToken.kind <= 68 && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.left); - write("\", "); - } - if (node.operatorToken.kind === 38 || node.operatorToken.kind === 60) { - emitExponentiationOperator(node); - } - else { - emit(node.left); - var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 ? " " : undefined); - write(ts.tokenToString(node.operatorToken.kind)); - var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); - emit(node.right); - decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); - } - if (exportChanged) { - write(")"); - } - } - } - function synthesizedNodeStartsOnNewLine(node) { - return ts.nodeIsSynthesized(node) && node.startsOnNewLine; - } - function emitConditionalExpression(node) { - emit(node.condition); - var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); - write("?"); - var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); - emit(node.whenTrue); - decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); - var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); - write(":"); - var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); - emit(node.whenFalse); - decreaseIndentIf(indentedBeforeColon, indentedAfterColon); - } - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); - } - if (value2) { - decreaseIndent(); - } - } - function isSingleLineEmptyBlock(node) { - if (node && node.kind === 195) { - var block = node; - return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); - } - } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - emitToken(15, node.pos); - write(" "); - emitToken(16, node.statements.end); - return; - } - emitToken(15, node.pos); - increaseIndent(); - if (node.kind === 222) { - ts.Debug.assert(node.parent.kind === 221); - emitCaptureThisForNodeIfNecessary(node.parent); - } - emitLines(node.statements); - if (node.kind === 222) { - emitTempDeclarations(true); - } - decreaseIndent(); - writeLine(); - emitToken(16, node.statements.end); - } - function emitEmbeddedStatement(node) { - if (node.kind === 195) { - write(" "); - emit(node); - } - else { - increaseIndent(); - writeLine(); - emit(node); - decreaseIndent(); - } - } - function emitExpressionStatement(node) { - emitParenthesizedIf(node.expression, node.expression.kind === 177); - write(";"); - } - function emitIfStatement(node) { - var endPos = emitToken(88, node.pos); - write(" "); - endPos = emitToken(17, endPos); - emit(node.expression); - emitToken(18, node.expression.end); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - emitToken(80, node.thenStatement.end); - if (node.elseStatement.kind === 199) { - write(" "); - emit(node.elseStatement); - } - else { - emitEmbeddedStatement(node.elseStatement); - } - } - } - function emitDoStatement(node) { - emitLoop(node, emitDoStatementWorker); - } - function emitDoStatementWorker(node, loop) { - write("do"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - if (node.statement.kind === 195) { - write(" "); - } - else { - writeLine(); - } - write("while ("); - emit(node.expression); - write(");"); - } - function emitWhileStatement(node) { - emitLoop(node, emitWhileStatementWorker); - } - function emitWhileStatementWorker(node, loop) { - write("while ("); - emit(node.expression); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function tryEmitStartOfVariableDeclarationList(decl) { - if (shouldHoistVariable(decl, true)) { - return false; - } - if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576) === 0) { - for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { - var varDecl = _b[_a]; - hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); - } - return false; - } - emitStart(decl); - if (decl && languageVersion >= 2) { - if (ts.isLet(decl)) { - write("let "); - } - else if (ts.isConst(decl)) { - write("const "); - } - else { - write("var "); - } - } - else { - write("var "); - } - return true; - } - function emitVariableDeclarationListSkippingUninitializedEntries(list) { - var started = false; - for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { - var decl = _b[_a]; - if (!decl.initializer) { - continue; - } - if (!started) { - started = true; - } - else { - write(", "); - } - emit(decl); - } - return started; - } - function shouldConvertLoopBody(node) { - return languageVersion < 2 && - (resolver.getNodeCheckFlags(node) & 65536) !== 0; - } - function emitLoop(node, loopEmitter) { - var shouldConvert = shouldConvertLoopBody(node); - if (!shouldConvert) { - loopEmitter(node, undefined); - } - else { - var loop = convertLoopBody(node); - if (node.parent.kind === 210) { - emitLabelAndColon(node.parent); - } - loopEmitter(node, loop); - } - } - function convertLoopBody(node) { - var functionName = makeUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 202: - case 203: - case 204: - var initializer = node.initializer; - if (initializer && initializer.kind === 215) { - loopInitializer = node.initializer; - } - break; - } - var loopParameters; - var loopOutParameters; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576)) { - loopParameters = []; - for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { - var varDeclaration = _b[_a]; - processVariableDeclaration(varDeclaration.name); - } - } - var bodyIsBlock = node.statement.kind === 195; - var paramList = loopParameters ? loopParameters.join(", ") : ""; - writeLine(); - write("var " + functionName + " = function(" + paramList + ")"); - var convertedOuterLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (convertedOuterLoopState) { - if (convertedOuterLoopState.argumentsName) { - convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; - } - if (convertedOuterLoopState.thisName) { - convertedLoopState.thisName = convertedOuterLoopState.thisName; - } - if (convertedOuterLoopState.hoistedLocalVariables) { - convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; - } - } - write(" {"); - writeLine(); - increaseIndent(); - if (bodyIsBlock) { - emitLines(node.statement.statements); - } - else { - emit(node.statement); - } - writeLine(); - copyLoopOutParameters(convertedLoopState, 1, true); - decreaseIndent(); - writeLine(); - write("};"); - writeLine(); - if (loopOutParameters) { - write("var "); - for (var i = 0; i < loopOutParameters.length; i++) { - if (i !== 0) { - write(", "); - } - write(loopOutParameters[i].outParamName); - } - write(";"); - writeLine(); - } - if (convertedLoopState.argumentsName) { - if (convertedOuterLoopState) { - convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; - } - else { - write("var " + convertedLoopState.argumentsName + " = arguments;"); - writeLine(); - } - } - if (convertedLoopState.thisName) { - if (convertedOuterLoopState) { - convertedOuterLoopState.thisName = convertedLoopState.thisName; - } - else { - write("var " + convertedLoopState.thisName + " = this;"); - writeLine(); - } - } - if (convertedLoopState.hoistedLocalVariables) { - if (convertedOuterLoopState) { - convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; - } - else { - write("var "); - var seen = void 0; - for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { - var id = _d[_c]; - if (!seen) { - seen = {}; - } - else { - write(", "); - } - if (!ts.hasProperty(seen, id.text)) { - emit(id); - seen[id.text] = id.text; - } - } - write(";"); - writeLine(); - } - } - var currentLoopState = convertedLoopState; - convertedLoopState = convertedOuterLoopState; - return { functionName: functionName, paramList: paramList, state: currentLoopState }; - function processVariableDeclaration(name) { - if (name.kind === 69) { - var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) - ? getGeneratedNameForNode(name) - : name.text; - loopParameters.push(nameText); - if (resolver.getNodeCheckFlags(name.parent) & 2097152) { - var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; - (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); - } - } - else { - for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { - var element = _b[_a]; - processVariableDeclaration(element.name); - } - } - } - } - function emitNormalLoopBody(node, emitAsEmbeddedStatement) { - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 | 4; - } - if (emitAsEmbeddedStatement) { - emitEmbeddedStatement(node.statement); - } - else if (node.statement.kind === 195) { - emitLines(node.statement.statements); - } - else { - writeLine(); - emit(node.statement); - } - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function copyLoopOutParameters(state, copyDirection, emitAsStatements) { - if (state.loopOutParameters) { - for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { - var outParam = _b[_a]; - if (copyDirection === 0) { - emitIdentifier(outParam.originalName); - write(" = " + outParam.outParamName); - } - else { - write(outParam.outParamName + " = "); - emitIdentifier(outParam.originalName); - } - if (emitAsStatements) { - write(";"); - writeLine(); - } - else { - write(", "); - } - } - } - } - function emitConvertedLoopCall(loop, emitAsBlock) { - if (emitAsBlock) { - write(" {"); - writeLine(); - increaseIndent(); - } - var isSimpleLoop = !loop.state.nonLocalJumps && - !loop.state.labeledNonLocalBreaks && - !loop.state.labeledNonLocalContinues; - var loopResult = makeUniqueName("state"); - if (!isSimpleLoop) { - write("var " + loopResult + " = "); - } - write(loop.functionName + "(" + loop.paramList + ");"); - writeLine(); - copyLoopOutParameters(loop.state, 0, true); - if (!isSimpleLoop) { - writeLine(); - if (loop.state.nonLocalJumps & 8) { - write("if (typeof " + loopResult + " === \"object\") "); - if (convertedLoopState) { - write("return " + loopResult + ";"); - convertedLoopState.nonLocalJumps |= 8; - } - else { - write("return " + loopResult + ".value;"); - } - writeLine(); - } - if (loop.state.nonLocalJumps & 2) { - write("if (" + loopResult + " === \"break\") break;"); - writeLine(); - } - if (loop.state.nonLocalJumps & 4) { - write("if (" + loopResult + " === \"continue\") continue;"); - writeLine(); - } - emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); - } - if (emitAsBlock) { - writeLine(); - decreaseIndent(); - write("}"); - } - function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { - if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { - return; - } - write("switch(" + loopResultVariable + ") {"); - increaseIndent(); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, true, loopResultVariable, outerLoop); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, false, loopResultVariable, outerLoop); - decreaseIndent(); - writeLine(); - write("}"); - } - function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - writeLine(); - write("case \"" + labelMarker + "\": "); - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - if (isBreak) { - write("break "); - } - else { - write("continue "); - } - write(labelText + ";"); - } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - write("return " + loopResultVariable + ";"); - } - } - } - } - function emitForStatement(node) { - emitLoop(node, emitForStatementWorker); - } - function emitForStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - if (node.initializer && node.initializer.kind === 215) { - var variableDeclarationList = node.initializer; - var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); - if (startIsEmitted) { - emitCommaList(variableDeclarationList.declarations); - } - else { - emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); - } - } - else if (node.initializer) { - emit(node.initializer); - } - write(";"); - emitOptional(" ", node.condition); - write(";"); - emitOptional(" ", node.incrementor); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function emitForInOrForOfStatement(node) { - if (languageVersion < 2 && node.kind === 204) { - emitLoop(node, emitDownLevelForOfStatementWorker); - } - else { - emitLoop(node, emitForInOrForOfStatementWorker); - } - } - function emitForInOrForOfStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - if (node.initializer.kind === 215) { - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length >= 1) { - tryEmitStartOfVariableDeclarationList(variableDeclarationList); - emit(variableDeclarationList.declarations[0]); - } - } - else { - emit(node.initializer); - } - if (node.kind === 203) { - write(" in "); - } - else { - write(" of "); - } - emit(node.expression); - emitToken(18, node.expression.end); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function emitDownLevelForOfStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - var counter = createTempVariable(268435456); - var rhsReference = ts.createSynthesizedNode(69); - rhsReference.text = node.expression.kind === 69 ? - makeUniqueName(node.expression.text) : - makeTempVariableName(0); - emitStart(node.expression); - write("var "); - emitNodeWithoutSourceMap(counter); - write(" = 0"); - emitEnd(node.expression); - write(", "); - emitStart(node.expression); - emitNodeWithoutSourceMap(rhsReference); - write(" = "); - emitNodeWithoutSourceMap(node.expression); - emitEnd(node.expression); - write("; "); - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write(" < "); - emitNodeWithCommentsAndWithoutSourcemap(rhsReference); - write(".length"); - emitEnd(node.expression); - write("; "); - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write("++"); - emitEnd(node.expression); - emitToken(18, node.expression.end); - write(" {"); - writeLine(); - increaseIndent(); - var rhsIterationValue = createElementAccessExpression(rhsReference, counter); - emitStart(node.initializer); - if (node.initializer.kind === 215) { - write("var "); - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length > 0) { - var declaration = variableDeclarationList.declarations[0]; - if (ts.isBindingPattern(declaration.name)) { - emitDestructuring(declaration, false, rhsIterationValue); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(declaration); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - emitNodeWithoutSourceMap(createTempVariable(0)); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - var assignmentExpression = createBinaryExpression(node.initializer, 56, rhsIterationValue, false); - if (node.initializer.kind === 167 || node.initializer.kind === 168) { - emitDestructuring(assignmentExpression, true, undefined); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); - } - } - emitEnd(node.initializer); - write(";"); - if (loop) { - writeLine(); - emitConvertedLoopCall(loop, false); - } - else { - emitNormalLoopBody(node, false); - } - writeLine(); - decreaseIndent(); - write("}"); - } - function emitBreakOrContinueStatement(node) { - if (convertedLoopState) { - var jump = node.kind === 206 ? 2 : 4; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - write("return "); - copyLoopOutParameters(convertedLoopState, 1, false); - if (!node.label) { - if (node.kind === 206) { - convertedLoopState.nonLocalJumps |= 2; - write("\"break\";"); - } - else { - convertedLoopState.nonLocalJumps |= 4; - write("\"continue\";"); - } - } - else { - var labelMarker = void 0; - if (node.kind === 206) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); - } - write("\"" + labelMarker + "\";"); - } - return; - } - } - emitToken(node.kind === 206 ? 70 : 75, node.pos); - emitOptional(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - if (convertedLoopState) { - convertedLoopState.nonLocalJumps |= 8; - write("return { value: "); - if (node.expression) { - emit(node.expression); - } - else { - write("void 0"); - } - write(" };"); - return; - } - emitToken(94, node.pos); - emitOptional(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emit(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var endPos = emitToken(96, node.pos); - write(" "); - emitToken(17, endPos); - emit(node.expression); - endPos = emitToken(18, node.expression.end); - write(" "); - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps |= 2; - } - emitCaseBlock(node.caseBlock, endPos); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function emitCaseBlock(node, startPos) { - emitToken(15, startPos); - increaseIndent(); - emitLines(node.clauses); - decreaseIndent(); - writeLine(); - emitToken(16, node.clauses.end); - } - function nodeStartPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function nodeEndPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); - } - function nodeEndIsOnSameLineAsNodeStart(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function emitCaseOrDefaultClause(node) { - if (node.kind === 244) { - write("case "); - emit(node.expression); - write(":"); - } - else { - write("default:"); - } - if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { - write(" "); - emit(node.statements[0]); - } - else { - increaseIndent(); - emitLines(node.statements); - decreaseIndent(); - } - } - function emitThrowStatement(node) { - write("throw "); - emit(node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); - } - } - function emitCatchClause(node) { - writeLine(); - var endPos = emitToken(72, node.pos); - write(" "); - emitToken(17, endPos); - emit(node.variableDeclaration); - emitToken(18, node.variableDeclaration ? node.variableDeclaration.end : endPos); - write(" "); - emitBlock(node.block); - } - function emitDebuggerStatement(node) { - emitToken(76, node.pos); - write(";"); - } - function emitLabelAndColon(node) { - emit(node.label); - write(": "); - } - function emitLabeledStatement(node) { - if (!ts.isIterationStatement(node.statement, false) || !shouldConvertLoopBody(node.statement)) { - emitLabelAndColon(node); - } - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = {}; - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - emit(node.statement); - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; - } - } - function getContainingModule(node) { - do { - node = node.parent; - } while (node && node.kind !== 221); - return node; - } - function emitContainingModuleName(node) { - var container = getContainingModule(node); - write(container ? getGeneratedNameForNode(container) : "exports"); - } - function emitModuleMemberName(node) { - emitStart(node.name); - if (ts.getCombinedNodeFlags(node) & 2) { - var container = getContainingModule(node); - if (container) { - write(getGeneratedNameForNode(container)); - write("."); - } - else if (modulekind !== 5 && modulekind !== 4) { - write("exports."); - } - } - emitNodeWithCommentsAndWithoutSourcemap(node.name); - emitEnd(node.name); - } - function createVoidZero() { - var zero = ts.createSynthesizedNode(8); - zero.text = "0"; - var result = ts.createSynthesizedNode(180); - result.expression = zero; - return result; - } - function emitEs6ExportDefaultCompat(node) { - if (node.parent.kind === 251) { - ts.Debug.assert(!!(node.flags & 512) || node.kind === 230); - if (modulekind === 1 || modulekind === 2 || modulekind === 3) { - if (!isEs6Module) { - if (languageVersion !== 0) { - write("Object.defineProperty(exports, \"__esModule\", { value: true });"); - writeLine(); - } - else { - write("exports.__esModule = true;"); - writeLine(); - } - } - } - } - } - function emitExportMemberAssignment(node) { - if (node.flags & 2) { - writeLine(); - emitStart(node); - if (modulekind === 4 && node.parent === currentSourceFile) { - write(exportFunctionForFile + "(\""); - if (node.flags & 512) { - write("default"); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - write("\", "); - emitDeclarationName(node); - write(")"); - } - else { - if (node.flags & 512) { - emitEs6ExportDefaultCompat(node); - if (languageVersion === 0) { - write("exports[\"default\"]"); - } - else { - write("exports.default"); - } - } - else { - emitModuleMemberName(node); - } - write(" = "); - emitDeclarationName(node); - } - emitEnd(node); - write(";"); - } - } - function emitExportMemberAssignments(name) { - if (modulekind === 4) { - return; - } - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { - var specifier = _b[_a]; - writeLine(); - emitStart(specifier.name); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - emitEnd(specifier.name); - write(" = "); - emitExpressionIdentifier(name); - write(";"); - } - } - } - function emitExportSpecifierInSystemModule(specifier) { - ts.Debug.assert(modulekind === 4); - if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { - return; - } - writeLine(); - emitStart(specifier.name); - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write("\", "); - emitExpressionIdentifier(specifier.propertyName || specifier.name); - write(")"); - emitEnd(specifier.name); - write(";"); - } - function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { - if (shouldEmitCommaBeforeAssignment) { - write(", "); - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(name); - write("\", "); - } - var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 || name.parent.kind === 166); - emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); - withTemporaryNoSourceMap(function () { - if (isVariableDeclarationOrBindingElement) { - emitModuleMemberName(name.parent); - } - else { - emit(name); - } - write(" = "); - emit(value); - }); - emitEnd(nodeForSourceMap, true); - if (exportChanged) { - write(")"); - } - } - function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { - var identifier = createTempVariable(0); - if (!canDefineTempVariablesInPlace) { - recordTempDeclaration(identifier); - } - emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); - return identifier; - } - function isFirstVariableDeclaration(root) { - return root.kind === 214 && - root.parent.kind === 215 && - root.parent.declarations[0] === root; - } - function emitDestructuring(root, isAssignmentExpressionStatement, value) { - var emitCount = 0; - var canDefineTempVariablesInPlace = false; - if (root.kind === 214) { - var isExported = ts.getCombinedNodeFlags(root) & 2; - var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); - canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; - } - else if (root.kind === 139) { - canDefineTempVariablesInPlace = true; - } - if (root.kind === 184) { - emitAssignmentExpression(root); - } - else { - ts.Debug.assert(!isAssignmentExpressionStatement); - if (isFirstVariableDeclaration(root)) { - sourceMap.changeEmitSourcePos(); - } - emitBindingElement(root, value); - } - function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { - if (expr.kind === 69 && reuseIdentifierExpressions) { - return expr; - } - var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); - emitCount++; - return identifier; - } - function createDefaultValueCheck(value, defaultValue, sourceMapNode) { - value = ensureIdentifier(value, true, sourceMapNode); - var equals = ts.createSynthesizedNode(184); - equals.left = value; - equals.operatorToken = ts.createSynthesizedNode(32); - equals.right = createVoidZero(); - return createConditionalExpression(equals, defaultValue, value); - } - function createConditionalExpression(condition, whenTrue, whenFalse) { - var cond = ts.createSynthesizedNode(185); - cond.condition = condition; - cond.questionToken = ts.createSynthesizedNode(53); - cond.whenTrue = whenTrue; - cond.colonToken = ts.createSynthesizedNode(54); - cond.whenFalse = whenFalse; - return cond; - } - function createNumericLiteral(value) { - var node = ts.createSynthesizedNode(8); - node.text = "" + value; - return node; - } - function createPropertyAccessForDestructuringProperty(object, propName) { - var index; - var nameIsComputed = propName.kind === 137; - if (nameIsComputed) { - index = ensureIdentifier(propName.expression, false, propName); - } - else { - index = ts.createSynthesizedNode(propName.kind); - index.text = ts.unescapeIdentifier(propName.text); - } - return !nameIsComputed && index.kind === 69 - ? createPropertyAccessExpression(object, index) - : createElementAccessExpression(object, index); - } - function createSliceCall(value, sliceIndex) { - var call = ts.createSynthesizedNode(171); - var sliceIdentifier = ts.createSynthesizedNode(69); - sliceIdentifier.text = "slice"; - call.expression = createPropertyAccessExpression(value, sliceIdentifier); - call.arguments = ts.createSynthesizedNodeArray(); - call.arguments[0] = createNumericLiteral(sliceIndex); - return call; - } - function emitObjectLiteralAssignment(target, value, sourceMapNode) { - var properties = target.properties; - if (properties.length !== 1) { - value = ensureIdentifier(value, true, sourceMapNode); - } - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var p = properties_5[_a]; - if (p.kind === 248 || p.kind === 249) { - var propName = p.name; - var target_1 = p.kind === 249 ? p : p.initializer || propName; - emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); - } - } - } - function emitArrayLiteralAssignment(target, value, sourceMapNode) { - var elements = target.elements; - if (elements.length !== 1) { - value = ensureIdentifier(value, true, sourceMapNode); - } - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190) { - if (e.kind !== 188) { - emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); - } - else if (i === elements.length - 1) { - emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); - } - } - } - } - function emitDestructuringAssignment(target, value, sourceMapNode) { - if (target.kind === 249) { - if (target.objectAssignmentInitializer) { - value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); - } - target = target.name; - } - else if (target.kind === 184 && target.operatorToken.kind === 56) { - value = createDefaultValueCheck(value, target.right, sourceMapNode); - target = target.left; - } - if (target.kind === 168) { - emitObjectLiteralAssignment(target, value, sourceMapNode); - } - else if (target.kind === 167) { - emitArrayLiteralAssignment(target, value, sourceMapNode); - } - else { - emitAssignment(target, value, emitCount > 0, sourceMapNode); - emitCount++; - } - } - function emitAssignmentExpression(root) { - var target = root.left; - var value = root.right; - if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { - emit(value); - } - else if (isAssignmentExpressionStatement) { - emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); - } - else { - if (root.parent.kind !== 175) { - write("("); - } - value = ensureIdentifier(value, true, root); - emitDestructuringAssignment(target, value, root); - write(", "); - emit(value); - if (root.parent.kind !== 175) { - write(")"); - } - } - } - function emitBindingElement(target, value) { - if (target.initializer) { - value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; - } - else if (!value) { - value = createVoidZero(); - } - if (ts.isBindingPattern(target.name)) { - var pattern = target.name; - var elements = pattern.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, numElements !== 0, target); - } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (pattern.kind === 164) { - var propName = element.propertyName || element.name; - emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); - } - else if (element.kind !== 190) { - if (!element.dotDotDotToken) { - emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); - } - else if (i === numElements - 1) { - emitBindingElement(element, createSliceCall(value, i)); - } - } - } - } - else { - emitAssignment(target.name, value, emitCount > 0, target); - emitCount++; - } - } - } - function emitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - if (languageVersion < 2) { - emitDestructuring(node, false); - } - else { - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - else { - var initializer = node.initializer; - if (!initializer && - languageVersion < 2 && - node.name.kind === 69) { - var container = ts.getEnclosingBlockScopeContainer(node); - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072; - var isDeclaredInLoop = flags & 262144; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || - (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 && ts.isIterationStatement(container.parent, false)); - var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 && - !emittedAsTopLevel; - var emitExplicitInitializer = emittedAsNestedLetDeclaration && - container.kind !== 203 && - container.kind !== 204 && - (!resolver.isDeclarationWithCollidingName(node) || - (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, false))); - if (emitExplicitInitializer) { - initializer = createVoidZero(); - } - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(node.name); - write("\", "); - } - emitModuleMemberName(node); - emitOptional(" = ", initializer); - if (exportChanged) { - write(")"); - } - } - } - function emitExportVariableAssignments(node) { - if (node.kind === 190) { - return; - } - var name = node.name; - if (name.kind === 69) { - emitExportMemberAssignments(name); - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, emitExportVariableAssignments); - } - } - function isES6ExportedDeclaration(node) { - return !!(node.flags & 2) && - modulekind === 5 && - node.parent.kind === 251; - } - function emitVariableStatement(node) { - var startIsEmitted = false; - if (node.flags & 2) { - if (isES6ExportedDeclaration(node)) { - write("export "); - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - } - else { - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - if (startIsEmitted) { - emitCommaList(node.declarationList.declarations); - write(";"); - } - else { - var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); - if (atLeastOneItem) { - write(";"); - } - } - if (modulekind !== 5 && node.parent === currentSourceFile) { - ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); - } - } - function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { - if (!(node.flags & 2)) { - return true; - } - if (isES6ExportedDeclaration(node)) { - return true; - } - for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { - var declaration = _b[_a]; - if (declaration.initializer) { - return true; - } - } - return false; - } - function emitParameter(node) { - if (languageVersion < 2) { - if (ts.isBindingPattern(node.name)) { - var name_27 = createTempVariable(0); - if (!tempParameters) { - tempParameters = []; - } - tempParameters.push(name_27); - emit(name_27); - } - else { - emit(node.name); - } - } - else { - if (node.dotDotDotToken) { - write("..."); - } - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - function emitDefaultValueAssignments(node) { - if (languageVersion < 2) { - var tempIndex_1 = 0; - ts.forEach(node.parameters, function (parameter) { - if (parameter.dotDotDotToken) { - return; - } - var paramName = parameter.name, initializer = parameter.initializer; - if (ts.isBindingPattern(paramName)) { - var hasBindingElements = paramName.elements.length > 0; - if (hasBindingElements || initializer) { - writeLine(); - write("var "); - if (hasBindingElements) { - emitDestructuring(parameter, false, tempParameters[tempIndex_1]); - } - else { - emit(tempParameters[tempIndex_1]); - write(" = "); - emit(initializer); - } - write(";"); - tempIndex_1++; - } - } - else if (initializer) { - writeLine(); - emitStart(parameter); - write("if ("); - emitNodeWithoutSourceMap(paramName); - write(" === void 0)"); - emitEnd(parameter); - write(" { "); - emitStart(parameter); - emitNodeWithCommentsAndWithoutSourcemap(paramName); - write(" = "); - emitNodeWithCommentsAndWithoutSourcemap(initializer); - emitEnd(parameter); - write("; }"); - } - }); - } - } - function emitRestParameter(node) { - if (languageVersion < 2 && ts.hasRestParameter(node)) { - var restIndex = node.parameters.length - 1; - var restParam = node.parameters[restIndex]; - if (ts.isBindingPattern(restParam.name)) { - return; - } - var tempName = createTempVariable(268435456).text; - writeLine(); - emitLeadingComments(restParam); - emitStart(restParam); - write("var "); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write(" = [];"); - emitEnd(restParam); - emitTrailingComments(restParam); - writeLine(); - write("for ("); - emitStart(restParam); - write("var " + tempName + " = " + restIndex + ";"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + " < arguments.length;"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + "++"); - emitEnd(restParam); - write(") {"); - increaseIndent(); - writeLine(); - emitStart(restParam); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); - emitEnd(restParam); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitAccessor(node) { - write(node.kind === 146 ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node); - } - function shouldEmitAsArrowFunction(node) { - return node.kind === 177 && languageVersion >= 2; - } - function emitDeclarationName(node) { - if (node.name) { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - else { - write(getGeneratedNameForNode(node)); - } - } - function shouldEmitFunctionName(node) { - if (node.kind === 176) { - return !!node.name; - } - if (node.kind === 216) { - return !!node.name || modulekind !== 5; - } - } - function emitFunctionDeclaration(node) { - if (ts.nodeIsMissing(node.body)) { - return emitCommentsOnNotEmittedNode(node); - } - var kind = node.kind, parent = node.parent; - if (kind !== 144 && - kind !== 143 && - parent && - parent.kind !== 248 && - parent.kind !== 171 && - parent.kind !== 167) { - emitLeadingComments(node); - } - emitStart(node); - if (!shouldEmitAsArrowFunction(node)) { - if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512) { - write("default "); - } - } - write("function"); - if (languageVersion >= 2 && node.asteriskToken) { - write("*"); - } - write(" "); - } - if (shouldEmitFunctionName(node)) { - emitDeclarationName(node); - } - emitSignatureAndBody(node); - if (modulekind !== 5 && kind === 216 && parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - emitEnd(node); - if (kind !== 144 && kind !== 143) { - emitTrailingComments(node); - } - } - function emitCaptureThisForNodeIfNecessary(node) { - if (resolver.getNodeCheckFlags(node) & 4) { - writeLine(); - emitStart(node); - write("var _this = this;"); - emitEnd(node); - } - } - function emitSignatureParameters(node) { - increaseIndent(); - write("("); - if (node) { - var parameters = node.parameters; - var omitCount = languageVersion < 2 && ts.hasRestParameter(node) ? 1 : 0; - emitList(parameters, 0, parameters.length - omitCount, false, false); - } - write(")"); - decreaseIndent(); - } - function emitSignatureParametersForArrow(node) { - if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { - emit(node.parameters[0]); - return; - } - emitSignatureParameters(node); - } - function emitAsyncFunctionBodyForES6(node) { - var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); - var isArrowFunction = node.kind === 177; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; - if (!isArrowFunction) { - write(" {"); - increaseIndent(); - writeLine(); - if (resolver.getNodeCheckFlags(node) & 4096) { - writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); - writeLine(); - } - else if (resolver.getNodeCheckFlags(node) & 2048) { - write("const _super = name => super[name];"); - writeLine(); - } - write("return"); - } - write(" __awaiter(this"); - if (hasLexicalArguments) { - write(", arguments, "); - } - else { - write(", void 0, "); - } - if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2)) { - write("void 0"); - } - else { - emitEntityNameAsExpression(promiseConstructor, false); - } - write(", function* ()"); - emitFunctionBody(node); - write(")"); - if (!isArrowFunction) { - write(";"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitFunctionBody(node) { - if (!node.body) { - write(" { }"); - } - else { - if (node.body.kind === 195) { - emitBlockFunctionBody(node, node.body); - } - else { - emitExpressionFunctionBody(node, node.body); - } - } - } - function emitSignatureAndBody(node) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - if (shouldEmitAsArrowFunction(node)) { - emitSignatureParametersForArrow(node); - write(" =>"); - } - else { - emitSignatureParameters(node); - } - var isAsync = ts.isAsyncFunctionLike(node); - if (isAsync) { - emitAsyncFunctionBodyForES6(node); - } - else { - emitFunctionBody(node); - } - if (!isES6ExportedDeclaration(node)) { - emitExportMemberAssignment(node); - } - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitFunctionBodyPreamble(node) { - emitCaptureThisForNodeIfNecessary(node); - emitDefaultValueAssignments(node); - emitRestParameter(node); - } - function emitExpressionFunctionBody(node, body) { - if (languageVersion < 2 || node.flags & 256) { - emitDownLevelExpressionFunctionBody(node, body); - return; - } - write(" "); - var current = body; - while (current.kind === 174) { - current = current.expression; - } - emitParenthesizedIf(body, current.kind === 168); - } - function emitDownLevelExpressionFunctionBody(node, body) { - write(" {"); - increaseIndent(); - var outPos = writer.getTextPos(); - emitDetachedCommentsAndUpdateCommentsInfo(node.body); - emitFunctionBodyPreamble(node); - var preambleEmitted = writer.getTextPos() !== outPos; - decreaseIndent(); - if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { - write(" "); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTempDeclarations(false); - write(" "); - } - else { - increaseIndent(); - writeLine(); - emitLeadingComments(node.body); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTrailingComments(node.body); - emitTempDeclarations(true); - decreaseIndent(); - writeLine(); - } - emitStart(node.body); - write("}"); - emitEnd(node.body); - } - function emitBlockFunctionBody(node, body) { - write(" {"); - var initialTextPos = writer.getTextPos(); - increaseIndent(); - emitDetachedCommentsAndUpdateCommentsInfo(body.statements); - var startIndex = emitDirectivePrologues(body.statements, true); - emitFunctionBodyPreamble(node); - decreaseIndent(); - var preambleEmitted = writer.getTextPos() !== initialTextPos; - if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - write(" "); - emit(statement); - } - emitTempDeclarations(false); - write(" "); - emitLeadingCommentsOfPosition(body.statements.end); - } - else { - increaseIndent(); - emitLinesStartingAt(body.statements, startIndex); - emitTempDeclarations(true); - writeLine(); - emitLeadingCommentsOfPosition(body.statements.end); - decreaseIndent(); - } - emitToken(16, body.statements.end); - } - function getSuperCallAtGivenIndex(ctor, index) { - if (!ctor.body) { - return undefined; - } - var statements = ctor.body.statements; - if (!statements || index >= statements.length) { - return undefined; - } - var statement = statements[index]; - if (statement.kind === 198) { - return ts.isSuperCallExpression(statement.expression) ? statement : undefined; - } - } - function emitParameterPropertyAssignments(node) { - ts.forEach(node.parameters, function (param) { - if (param.flags & 56) { - writeLine(); - emitStart(param); - emitStart(param.name); - write("this."); - emitNodeWithoutSourceMap(param.name); - emitEnd(param.name); - write(" = "); - emit(param.name); - write(";"); - emitEnd(param); - } - }); - } - function emitMemberAccessForPropertyName(memberName) { - if (memberName.kind === 9 || memberName.kind === 8) { - write("["); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - write("]"); - } - else if (memberName.kind === 137) { - emitComputedPropertyName(memberName); - } - else { - write("."); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - } - } - function getInitializedProperties(node, isStatic) { - var properties = []; - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if (member.kind === 142 && isStatic === ((member.flags & 64) !== 0) && member.initializer) { - properties.push(member); - } - } - return properties; - } - function emitPropertyDeclarations(node, properties) { - for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { - var property = properties_6[_a]; - emitPropertyDeclaration(node, property); - } - } - function emitPropertyDeclaration(node, property, receiver, isExpression) { - writeLine(); - emitLeadingComments(property); - emitStart(property); - emitStart(property.name); - if (receiver) { - emit(receiver); - } - else { - if (property.flags & 64) { - emitDeclarationName(node); - } - else { - write("this"); - } - } - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - emit(property.initializer); - if (!isExpression) { - write(";"); - } - emitEnd(property); - emitTrailingComments(property); - } - function emitMemberFunctionsForES5AndLower(node) { - ts.forEach(node.members, function (member) { - if (member.kind === 194) { - writeLine(); - write(";"); - } - else if (member.kind === 144 || node.kind === 143) { - if (!member.body) { - return emitCommentsOnNotEmittedNode(member); - } - writeLine(); - emitLeadingComments(member); - emitStart(member); - emitStart(member.name); - emitClassMemberPrefix(node, member); - emitMemberAccessForPropertyName(member.name); - emitEnd(member.name); - write(" = "); - emitFunctionDeclaration(member); - emitEnd(member); - write(";"); - emitTrailingComments(member); - } - else if (member.kind === 146 || member.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - writeLine(); - emitStart(member); - write("Object.defineProperty("); - emitStart(member.name); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - emitEnd(member.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("});"); - emitEnd(member); - } - } - }); - } - function emitMemberFunctionsForES6AndHigher(node) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.kind === 144 || node.kind === 143) && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - else if (member.kind === 144 || - member.kind === 146 || - member.kind === 147) { - writeLine(); - emitLeadingComments(member); - emitStart(member); - if (member.flags & 64) { - write("static "); - } - if (member.kind === 146) { - write("get "); - } - else if (member.kind === 147) { - write("set "); - } - if (member.asteriskToken) { - write("*"); - } - emit(member.name); - emitSignatureAndBody(member); - emitEnd(member); - emitTrailingComments(member); - } - else if (member.kind === 194) { - writeLine(); - write(";"); - } - } - } - function emitConstructor(node, baseTypeElement) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - emitConstructorWorker(node, baseTypeElement); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitConstructorWorker(node, baseTypeElement) { - var hasInstancePropertyWithInitializer = false; - ts.forEach(node.members, function (member) { - if (member.kind === 145 && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - if (member.kind === 142 && member.initializer && (member.flags & 64) === 0) { - hasInstancePropertyWithInitializer = true; - } - }); - var ctor = ts.getFirstConstructorWithBody(node); - if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) { - return; - } - if (ctor) { - emitLeadingComments(ctor); - } - emitStart(ctor || node); - if (languageVersion < 2) { - write("function "); - emitDeclarationName(node); - emitSignatureParameters(ctor); - } - else { - write("constructor"); - if (ctor) { - emitSignatureParameters(ctor); - } - else { - if (baseTypeElement) { - write("(...args)"); - } - else { - write("()"); - } - } - } - var startIndex = 0; - write(" {"); - increaseIndent(); - if (ctor) { - startIndex = emitDirectivePrologues(ctor.body.statements, true); - emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); - } - emitCaptureThisForNodeIfNecessary(node); - var superCall; - if (ctor) { - emitDefaultValueAssignments(ctor); - emitRestParameter(ctor); - if (baseTypeElement) { - superCall = getSuperCallAtGivenIndex(ctor, startIndex); - if (superCall) { - writeLine(); - emit(superCall); - } - } - emitParameterPropertyAssignments(ctor); - } - else { - if (baseTypeElement) { - writeLine(); - emitStart(baseTypeElement); - if (languageVersion < 2) { - write("_super.apply(this, arguments);"); - } - else { - write("super(...args);"); - } - emitEnd(baseTypeElement); - } - } - emitPropertyDeclarations(node, getInitializedProperties(node, false)); - if (ctor) { - var statements = ctor.body.statements; - if (superCall) { - statements = statements.slice(1); - } - emitLinesStartingAt(statements, startIndex); - } - emitTempDeclarations(true); - writeLine(); - if (ctor) { - emitLeadingCommentsOfPosition(ctor.body.statements.end); - } - decreaseIndent(); - emitToken(16, ctor ? ctor.body.statements.end : node.members.end); - emitEnd(ctor || node); - if (ctor) { - emitTrailingComments(ctor); - } - } - function emitClassExpression(node) { - return emitClassLikeDeclaration(node); - } - function emitClassDeclaration(node) { - return emitClassLikeDeclaration(node); - } - function emitClassLikeDeclaration(node) { - if (languageVersion < 2) { - emitClassLikeDeclarationBelowES6(node); - } - else { - emitClassLikeDeclarationForES6AndHigher(node); - } - if (modulekind !== 5 && node.parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - } - function emitClassLikeDeclarationForES6AndHigher(node) { - var decoratedClassAlias; - var thisNodeIsDecorated = ts.nodeIsDecorated(node); - if (node.kind === 217) { - if (thisNodeIsDecorated) { - if (resolver.getNodeCheckFlags(node) & 524288) { - decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); - decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; - write("let " + decoratedClassAlias + ";"); - writeLine(); - } - if (isES6ExportedDeclaration(node) && !(node.flags & 512)) { - write("export "); - } - write("let "); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = "); - } - else if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512) { - write("default "); - } - } - } - var staticProperties = getInitializedProperties(node, true); - var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189; - var tempVariable; - if (isClassExpressionWithStaticProperties) { - tempVariable = createAndRecordTempVariable(0); - write("("); - increaseIndent(); - emit(tempVariable); - write(" = "); - } - write("class"); - if (node.name || (node.flags & 512 && (staticProperties.length > 0 || modulekind !== 5) && !thisNodeIsDecorated)) { - write(" "); - emitDeclarationName(node); - } - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write(" extends "); - emit(baseTypeNode.expression); - } - write(" {"); - increaseIndent(); - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES6AndHigher(node); - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - if (thisNodeIsDecorated) { - decoratedClassAliases[ts.getNodeId(node)] = undefined; - write(";"); - } - if (isClassExpressionWithStaticProperties) { - for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { - var property = staticProperties_1[_a]; - write(","); - writeLine(); - emitPropertyDeclaration(node, property, tempVariable, true); - } - write(","); - writeLine(); - emit(tempVariable); - decreaseIndent(); - write(")"); - } - else { - writeLine(); - emitPropertyDeclarations(node, staticProperties); - emitDecoratorsOfClass(node, decoratedClassAlias); - } - if (!(node.flags & 2)) { - return; - } - if (modulekind !== 5) { - emitExportMemberAssignment(node); - } - else { - if (node.flags & 512) { - if (thisNodeIsDecorated) { - writeLine(); - write("export default "); - emitDeclarationName(node); - write(";"); - } - } - else if (node.parent.kind !== 251) { - writeLine(); - emitStart(node); - emitModuleMemberName(node); - write(" = "); - emitDeclarationName(node); - emitEnd(node); - write(";"); - } - } - } - function emitClassLikeDeclarationBelowES6(node) { - if (node.kind === 217) { - if (!shouldHoistDeclarationInSystemJsModule(node)) { - write("var "); - } - emitDeclarationName(node); - write(" = "); - } - write("(function ("); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write("_super"); - } - write(") {"); - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; - var saveConvertedLoopState = convertedLoopState; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - computedPropertyNamesToGeneratedNames = undefined; - increaseIndent(); - if (baseTypeNode) { - writeLine(); - emitStart(baseTypeNode); - write("__extends("); - emitDeclarationName(node); - write(", _super);"); - emitEnd(baseTypeNode); - } - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES5AndLower(node); - emitPropertyDeclarations(node, getInitializedProperties(node, true)); - writeLine(); - emitDecoratorsOfClass(node, undefined); - writeLine(); - emitToken(16, node.members.end, function () { - write("return "); - emitDeclarationName(node); - }); - write(";"); - emitTempDeclarations(true); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - emitStart(node); - write("("); - if (baseTypeNode) { - emit(baseTypeNode.expression); - } - write("))"); - if (node.kind === 217) { - write(";"); - } - emitEnd(node); - if (node.kind === 217) { - emitExportMemberAssignment(node); - } - } - function emitClassMemberPrefix(node, member) { - emitDeclarationName(node); - if (!(member.flags & 64)) { - write(".prototype"); - } - } - function emitDecoratorsOfClass(node, decoratedClassAlias) { - emitDecoratorsOfMembers(node, 0); - emitDecoratorsOfMembers(node, 64); - emitDecoratorsOfConstructor(node, decoratedClassAlias); - } - function emitDecoratorsOfConstructor(node, decoratedClassAlias) { - var decorators = node.decorators; - var constructor = ts.getFirstConstructorWithBody(node); - var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); - if (!decorators && !firstParameterDecorator) { - return; - } - writeLine(); - emitStart(node.decorators || firstParameterDecorator); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = __decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(constructor, argumentsWritten > 0); - } - emitSerializedTypeMetadata(node, argumentsWritten >= 0); - decreaseIndent(); - writeLine(); - write("], "); - emitDeclarationName(node); - write(")"); - emitEnd(node.decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - function emitDecoratorsOfMembers(node, staticFlag) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.flags & 64) !== staticFlag) { - continue; - } - if (!ts.nodeCanBeDecorated(member)) { - continue; - } - var decorators = void 0; - var functionLikeMember = void 0; - if (ts.isAccessor(member)) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member !== accessors.firstAccessor) { - continue; - } - decorators = accessors.firstAccessor.decorators; - if (!decorators && accessors.secondAccessor) { - decorators = accessors.secondAccessor.decorators; - } - functionLikeMember = accessors.setAccessor; - } - else { - decorators = member.decorators; - if (member.kind === 144) { - functionLikeMember = member; - } - } - var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); - if (!decorators && !firstParameterDecorator) { - continue; - } - writeLine(); - emitStart(decorators || firstParameterDecorator); - write("__decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); - } - emitSerializedTypeMetadata(member, argumentsWritten > 0); - decreaseIndent(); - writeLine(); - write("], "); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - if (languageVersion > 0) { - if (member.kind !== 142) { - write(", null"); - } - else { - write(", void 0"); - } - } - write(")"); - emitEnd(decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - } - function emitDecoratorsOfParameters(node, leadingComma) { - var argumentsWritten = 0; - if (node) { - var parameterIndex_1 = 0; - for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { - var parameter = _b[_a]; - if (ts.nodeIsDecorated(parameter)) { - var decorators = parameter.decorators; - argumentsWritten += emitList(decorators, 0, decorators.length, true, false, leadingComma, true, function (decorator) { - write("__param(" + parameterIndex_1 + ", "); - emit(decorator.expression); - write(")"); - }); - leadingComma = true; - } - parameterIndex_1++; - } - } - return argumentsWritten; - } - function shouldEmitTypeMetadata(node) { - switch (node.kind) { - case 144: - case 146: - case 147: - case 142: - return true; - } - return false; - } - function shouldEmitReturnTypeMetadata(node) { - switch (node.kind) { - case 144: - return true; - } - return false; - } - function shouldEmitParamTypesMetadata(node) { - switch (node.kind) { - case 217: - case 144: - case 147: - return true; - } - return false; - } - function emitSerializedTypeOfNode(node) { - switch (node.kind) { - case 217: - write("Function"); - return; - case 142: - emitSerializedTypeNode(node.type); - return; - case 139: - emitSerializedTypeNode(node.type); - return; - case 146: - emitSerializedTypeNode(node.type); - return; - case 147: - emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - return; - } - if (ts.isFunctionLike(node)) { - write("Function"); - return; - } - write("void 0"); - } - function emitSerializedTypeNode(node) { - if (node) { - switch (node.kind) { - case 103: - write("void 0"); - return; - case 161: - emitSerializedTypeNode(node.type); - return; - case 153: - case 154: - write("Function"); - return; - case 157: - case 158: - write("Array"); - return; - case 151: - case 120: - write("Boolean"); - return; - case 130: - case 163: - write("String"); - return; - case 128: - write("Number"); - return; - case 131: - write("Symbol"); - return; - case 152: - emitSerializedTypeReferenceNode(node); - return; - case 155: - case 156: - case 159: - case 160: - case 117: - case 162: - break; - default: - ts.Debug.fail("Cannot serialize unexpected type node."); - break; - } - } - write("Object"); - } - function emitSerializedTypeReferenceNode(node) { - var location = node.parent; - while (ts.isDeclaration(location) || ts.isTypeNode(location)) { - location = location.parent; - } - var typeName = ts.cloneEntityName(node.typeName, location); - var result = resolver.getTypeReferenceSerializationKind(typeName); - switch (result) { - case ts.TypeReferenceSerializationKind.Unknown: - var temp = createAndRecordTempVariable(0); - write("(typeof ("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(typeName, true); - write(") === 'function' && "); - emitNodeWithoutSourceMap(temp); - write(") || Object"); - break; - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - emitEntityNameAsExpression(typeName, false); - break; - case ts.TypeReferenceSerializationKind.VoidType: - write("void 0"); - break; - case ts.TypeReferenceSerializationKind.BooleanType: - write("Boolean"); - break; - case ts.TypeReferenceSerializationKind.NumberLikeType: - write("Number"); - break; - case ts.TypeReferenceSerializationKind.StringLikeType: - write("String"); - break; - case ts.TypeReferenceSerializationKind.ArrayLikeType: - write("Array"); - break; - case ts.TypeReferenceSerializationKind.ESSymbolType: - if (languageVersion < 2) { - write("typeof Symbol === 'function' ? Symbol : Object"); - } - else { - write("Symbol"); - } - break; - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - write("Function"); - break; - case ts.TypeReferenceSerializationKind.ObjectType: - write("Object"); - break; - } - } - function emitSerializedParameterTypesOfNode(node) { - if (node) { - var valueDeclaration = void 0; - if (node.kind === 217) { - valueDeclaration = ts.getFirstConstructorWithBody(node); - } - else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { - valueDeclaration = node; - } - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var parameterCount = parameters.length; - if (parameterCount > 0) { - for (var i = 0; i < parameterCount; i++) { - if (i > 0) { - write(", "); - } - if (parameters[i].dotDotDotToken) { - var parameterType = parameters[i].type; - if (parameterType.kind === 157) { - parameterType = parameterType.elementType; - } - else if (parameterType.kind === 152 && parameterType.typeArguments && parameterType.typeArguments.length === 1) { - parameterType = parameterType.typeArguments[0]; - } - else { - parameterType = undefined; - } - emitSerializedTypeNode(parameterType); - } - else { - emitSerializedTypeOfNode(parameters[i]); - } - } - } - } - } - } - function emitSerializedReturnTypeOfNode(node) { - if (node && ts.isFunctionLike(node) && node.type) { - emitSerializedTypeNode(node.type); - return; - } - write("void 0"); - } - function emitSerializedTypeMetadata(node, writeComma) { - var argumentsWritten = 0; - if (compilerOptions.emitDecoratorMetadata) { - if (shouldEmitTypeMetadata(node)) { - if (writeComma) { - write(", "); - } - writeLine(); - write("__metadata('design:type', "); - emitSerializedTypeOfNode(node); - write(")"); - argumentsWritten++; - } - if (shouldEmitParamTypesMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:paramtypes', ["); - emitSerializedParameterTypesOfNode(node); - write("])"); - argumentsWritten++; - } - if (shouldEmitReturnTypeMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:returntype', "); - emitSerializedReturnTypeOfNode(node); - write(")"); - argumentsWritten++; - } - } - return argumentsWritten; - } - function emitInterfaceDeclaration(node) { - emitCommentsOnNotEmittedNode(node); - } - function shouldEmitEnumDeclaration(node) { - var isConstEnum = ts.isConst(node); - return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; - } - function emitEnumDeclaration(node) { - if (!shouldEmitEnumDeclaration(node)) { - return; - } - if (!shouldHoistDeclarationInSystemJsModule(node)) { - var isES6ExportedEnum = isES6ExportedDeclaration(node); - if (!(node.flags & 2) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220))) { - emitStart(node); - if (isES6ExportedEnum) { - write("export "); - } - write("var "); - emit(node.name); - emitEnd(node); - write(";"); - } - } - writeLine(); - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") {"); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - write(")("); - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.flags & 2 && !shouldHoistDeclarationInSystemJsModule(node)) { - writeLine(); - emitStart(node); - write("var "); - emit(node.name); - write(" = "); - emitModuleMemberName(node); - emitEnd(node); - write(";"); - } - if (modulekind !== 5 && node.parent === currentSourceFile) { - if (modulekind === 4 && (node.flags & 2)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function emitEnumMember(node) { - var enumParent = node.parent; - emitStart(node); - write(getGeneratedNameForNode(enumParent)); - write("["); - write(getGeneratedNameForNode(enumParent)); - write("["); - emitExpressionForPropertyName(node.name); - write("] = "); - writeEnumMemberDeclarationValue(node); - write("] = "); - emitExpressionForPropertyName(node.name); - emitEnd(node); - write(";"); - } - function writeEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - write(value.toString()); - return; - } - else if (member.initializer) { - emit(member.initializer); - } - else { - write("undefined"); - } - } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 221) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } - } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isModuleMergedWithES6Class(node) { - return languageVersion === 2 && !!(resolver.getNodeCheckFlags(node) & 32768); - } - function isFirstDeclarationOfKind(node, declarations, kind) { - return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); - } - function emitModuleDeclaration(node) { - var shouldEmit = shouldEmitModuleDeclaration(node); - if (!shouldEmit) { - return emitCommentsOnNotEmittedNode(node); - } - var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); - var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); - if (emitVarForModule) { - var isES6ExportedNamespace = isES6ExportedDeclaration(node); - if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221)) { - emitStart(node); - if (isES6ExportedNamespace) { - write("export "); - } - write("var "); - emit(node.name); - write(";"); - emitEnd(node); - writeLine(); - } - } - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") "); - if (node.body.kind === 222) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - emit(node.body); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - } - else { - write("{"); - increaseIndent(); - emitCaptureThisForNodeIfNecessary(node); - writeLine(); - emit(node.body); - decreaseIndent(); - writeLine(); - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - emitToken(16, moduleBlock.statements.end); - } - write(")("); - if ((node.flags & 2) && !isES6ExportedDeclaration(node)) { - emit(node.name); - write(" = "); - } - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.name.kind === 69 && node.parent === currentSourceFile) { - if (modulekind === 4 && (node.flags & 2)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function tryRenameExternalModule(moduleName) { - if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { - return "\"" + renamedDependencies[moduleName.text] + "\""; - } - return undefined; - } - function emitRequire(moduleName) { - if (moduleName.kind === 9) { - write("require("); - var text = tryRenameExternalModule(moduleName); - if (text) { - write(text); - } - else { - emitStart(moduleName); - emitLiteral(moduleName); - emitEnd(moduleName); - } - emitToken(18, moduleName.end); - } - else { - write("require()"); - } - } - function getNamespaceDeclarationNode(node) { - if (node.kind === 224) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227) { - return importClause.namedBindings; - } - } - function isDefaultImport(node) { - return node.kind === 225 && node.importClause && !!node.importClause.name; - } - function emitExportImportAssignments(node) { - if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - emitExportMemberAssignments(node.name); - } - ts.forEachChild(node, emitExportImportAssignments); - } - function emitImportDeclaration(node) { - if (modulekind !== 5) { - return emitExternalImportDeclaration(node); - } - if (node.importClause) { - var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); - var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true); - if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { - write("import "); - emitStart(node.importClause); - if (shouldEmitDefaultBindings) { - emit(node.importClause.name); - if (shouldEmitNamedBindings) { - write(", "); - } - } - if (shouldEmitNamedBindings) { - emitLeadingComments(node.importClause.namedBindings); - emitStart(node.importClause.namedBindings); - if (node.importClause.namedBindings.kind === 227) { - write("* as "); - emit(node.importClause.namedBindings.name); - } - else { - write("{ "); - emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); - write(" }"); - } - emitEnd(node.importClause.namedBindings); - emitTrailingComments(node.importClause.namedBindings); - } - emitEnd(node.importClause); - write(" from "); - emit(node.moduleSpecifier); - write(";"); - } - } - else { - write("import "); - emit(node.moduleSpecifier); - write(";"); - } - } - function emitExternalImportDeclaration(node) { - if (ts.contains(externalImports, node)) { - var isExportedImport = node.kind === 224 && (node.flags & 2) !== 0; - var namespaceDeclaration = getNamespaceDeclarationNode(node); - var varOrConst = (languageVersion <= 1) ? "var " : "const "; - if (modulekind !== 2) { - emitLeadingComments(node); - emitStart(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - if (!isExportedImport) { - write(varOrConst); - } - ; - emitModuleMemberName(namespaceDeclaration); - write(" = "); - } - else { - var isNakedImport = 225 && !node.importClause; - if (!isNakedImport) { - write(varOrConst); - write(getGeneratedNameForNode(node)); - write(" = "); - } - } - emitRequire(ts.getExternalModuleName(node)); - if (namespaceDeclaration && isDefaultImport(node)) { - write(", "); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - else { - if (isExportedImport) { - emitModuleMemberName(namespaceDeclaration); - write(" = "); - emit(namespaceDeclaration.name); - write(";"); - } - else if (namespaceDeclaration && isDefaultImport(node)) { - write(varOrConst); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - write(";"); - } - emitExportImportAssignments(node); - } - } - } - function emitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - emitExternalImportDeclaration(node); - return; - } - if (resolver.isReferencedAliasDeclaration(node) || - (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { - emitLeadingComments(node); - emitStart(node); - var variableDeclarationIsHoisted = shouldHoistVariable(node, true); - var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, true); - if (!variableDeclarationIsHoisted) { - ts.Debug.assert(!isExported); - if (isES6ExportedDeclaration(node)) { - write("export "); - write("var "); - } - else if (!(node.flags & 2)) { - write("var "); - } - } - if (isExported) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.name); - write("\", "); - } - emitModuleMemberName(node); - write(" = "); - emit(node.moduleReference); - if (isExported) { - write(")"); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - } - function emitExportDeclaration(node) { - ts.Debug.assert(modulekind !== 4); - if (modulekind !== 5) { - if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { - emitStart(node); - var generatedName = getGeneratedNameForNode(node); - if (node.exportClause) { - if (modulekind !== 2) { - write("var "); - write(generatedName); - write(" = "); - emitRequire(ts.getExternalModuleName(node)); - write(";"); - } - for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { - var specifier = _b[_a]; - if (resolver.isValueAliasDeclaration(specifier)) { - writeLine(); - emitStart(specifier); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write(" = "); - write(generatedName); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); - write(";"); - emitEnd(specifier); - } - } - } - else { - if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - writeLine(); - write("__export("); - if (modulekind !== 2) { - emitRequire(ts.getExternalModuleName(node)); - } - else { - write(generatedName); - } - write(");"); - } - } - emitEnd(node); - } - } - else { - if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { - write("export "); - if (node.exportClause) { - write("{ "); - emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emit(node.moduleSpecifier); - } - write(";"); - } - } - } - function emitExportOrImportSpecifierList(specifiers, shouldEmit) { - ts.Debug.assert(modulekind === 5); - var needsComma = false; - for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { - var specifier = specifiers_1[_a]; - if (shouldEmit(specifier)) { - if (needsComma) { - write(", "); - } - if (specifier.propertyName) { - emit(specifier.propertyName); - write(" as "); - } - emit(specifier.name); - needsComma = true; - } - } - } - function emitExportAssignment(node) { - if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { - if (modulekind === 5) { - writeLine(); - emitStart(node); - write("export default "); - var expression = node.expression; - emit(expression); - if (expression.kind !== 216 && - expression.kind !== 217) { - write(";"); - } - emitEnd(node); - } - else { - writeLine(); - emitStart(node); - if (modulekind === 4) { - write(exportFunctionForFile + "(\"default\","); - emit(node.expression); - write(")"); - } - else { - emitEs6ExportDefaultCompat(node); - emitContainingModuleName(node); - if (languageVersion === 0) { - write("[\"default\"] = "); - } - else { - write(".default = "); - } - emit(node.expression); - } - write(";"); - emitEnd(node); - } - } - } - function collectExternalModuleInfo(sourceFile) { - externalImports = []; - exportSpecifiers = {}; - exportEquals = undefined; - hasExportStarsToExportValues = false; - for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { - var node = _b[_a]; - switch (node.kind) { - case 225: - if (!node.importClause || - resolver.isReferencedAliasDeclaration(node.importClause, true)) { - externalImports.push(node); - } - break; - case 224: - if (node.moduleReference.kind === 235 && resolver.isReferencedAliasDeclaration(node)) { - externalImports.push(node); - } - break; - case 231: - if (node.moduleSpecifier) { - if (!node.exportClause) { - if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - } - else if (resolver.isValueAliasDeclaration(node)) { - externalImports.push(node); - } - } - else { - for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { - var specifier = _d[_c]; - var name_28 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); - } - } - break; - case 230: - if (node.isExportEquals && !exportEquals) { - exportEquals = node; - } - break; - } - } - } - function emitExportStarHelper() { - if (hasExportStarsToExportValues) { - writeLine(); - write("function __export(m) {"); - increaseIndent(); - writeLine(); - write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function getLocalNameForExternalImport(node) { - var namespaceDeclaration = getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); - } - if (node.kind === 225 && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 231 && node.moduleSpecifier) { - return getGeneratedNameForNode(node); - } - } - function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { - if (emitRelativePathAsModuleName) { - var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); - if (name_29) { - return "\"" + name_29 + "\""; - } - } - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9) { - return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); - } - return undefined; - } - function emitVariableDeclarationsForImports() { - if (externalImports.length === 0) { - return; - } - writeLine(); - var started = false; - for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { - var importNode = externalImports_1[_a]; - var skipNode = importNode.kind === 231 || - (importNode.kind === 225 && !importNode.importClause); - if (skipNode) { - continue; - } - if (!started) { - write("var "); - started = true; - } - else { - write(", "); - } - write(getLocalNameForExternalImport(importNode)); - } - if (started) { - write(";"); - } - } - function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { - if (!hasExportStarsToExportValues) { - return undefined; - } - if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { - var hasExportDeclarationWithExportClause = false; - for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { - var externalImport = externalImports_2[_a]; - if (externalImport.kind === 231 && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - return emitExportStarFunction(undefined); - } - } - var exportedNamesStorageRef = makeUniqueName("exportedNames"); - writeLine(); - write("var " + exportedNamesStorageRef + " = {"); - increaseIndent(); - var started = false; - if (exportedDeclarations) { - for (var i = 0; i < exportedDeclarations.length; i++) { - writeExportedName(exportedDeclarations[i]); - } - } - if (exportSpecifiers) { - for (var n in exportSpecifiers) { - for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { - var specifier = _c[_b]; - writeExportedName(specifier.name); - } - } - } - for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { - var externalImport = externalImports_3[_d]; - if (externalImport.kind !== 231) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - continue; - } - for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { - var element = _f[_e]; - writeExportedName(element.name || element.propertyName); - } - } - decreaseIndent(); - writeLine(); - write("};"); - return emitExportStarFunction(exportedNamesStorageRef); - function emitExportStarFunction(localNames) { - var exportStarFunction = makeUniqueName("exportStar"); - writeLine(); - write("function " + exportStarFunction + "(m) {"); - increaseIndent(); - writeLine(); - write("var exports = {};"); - writeLine(); - write("for(var n in m) {"); - increaseIndent(); - writeLine(); - write("if (n !== \"default\""); - if (localNames) { - write("&& !" + localNames + ".hasOwnProperty(n)"); - } - write(") exports[n] = m[n];"); - decreaseIndent(); - writeLine(); - write("}"); - writeLine(); - write(exportFunctionForFile + "(exports);"); - decreaseIndent(); - writeLine(); - write("}"); - return exportStarFunction; - } - function writeExportedName(node) { - if (node.kind !== 69 && node.flags & 512) { - return; - } - if (started) { - write(","); - } - else { - started = true; - } - writeLine(); - write("'"); - if (node.kind === 69) { - emitNodeWithCommentsAndWithoutSourcemap(node); - } - else { - emitDeclarationName(node); - } - write("': true"); - } - } - function processTopLevelVariableAndFunctionDeclarations(node) { - var hoistedVars; - var hoistedFunctionDeclarations; - var exportedDeclarations; - visit(node); - if (hoistedVars) { - writeLine(); - write("var "); - var seen = {}; - for (var i = 0; i < hoistedVars.length; i++) { - var local = hoistedVars[i]; - var name_30 = local.kind === 69 - ? local - : local.name; - if (name_30) { - var text = ts.unescapeIdentifier(name_30.text); - if (ts.hasProperty(seen, text)) { - continue; - } - else { - seen[text] = text; - } - } - if (i !== 0) { - write(", "); - } - if (local.kind === 217 || local.kind === 221 || local.kind === 220) { - emitDeclarationName(local); - } - else { - emit(local); - } - var flags = ts.getCombinedNodeFlags(local.kind === 69 ? local.parent : local); - if (flags & 2) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(local); - } - } - write(";"); - } - if (hoistedFunctionDeclarations) { - for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { - var f = hoistedFunctionDeclarations_1[_a]; - writeLine(); - emit(f); - if (f.flags & 2) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(f); - } - } - } - return exportedDeclarations; - function visit(node) { - if (node.flags & 4) { - return; - } - if (node.kind === 216) { - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = []; - } - hoistedFunctionDeclarations.push(node); - return; - } - if (node.kind === 217) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - return; - } - if (node.kind === 220) { - if (shouldEmitEnumDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 221) { - if (shouldEmitModuleDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 214 || node.kind === 166) { - if (shouldHoistVariable(node, false)) { - var name_31 = node.name; - if (name_31.kind === 69) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(name_31); - } - else { - ts.forEachChild(name_31, visit); - } - } - return; - } - if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node.name); - return; - } - if (ts.isBindingPattern(node)) { - ts.forEach(node.elements, visit); - return; - } - if (!ts.isDeclaration(node)) { - ts.forEachChild(node, visit); - } - } - } - function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { - if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { - return false; - } - return (ts.getCombinedNodeFlags(node) & 24576) === 0 || - ts.getEnclosingBlockScopeContainer(node).kind === 251; - } - function isCurrentFileSystemExternalModule() { - return modulekind === 4 && isCurrentFileExternalModule; - } - function emitSystemModuleBody(node, dependencyGroups, startIndex) { - emitVariableDeclarationsForImports(); - writeLine(); - var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); - var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); - writeLine(); - write("return {"); - increaseIndent(); - writeLine(); - emitSetters(exportStarFunction, dependencyGroups); - writeLine(); - emitExecute(node, startIndex); - decreaseIndent(); - writeLine(); - write("}"); - emitTempDeclarations(true); - } - function emitSetters(exportStarFunction, dependencyGroups) { - write("setters:["); - for (var i = 0; i < dependencyGroups.length; i++) { - if (i !== 0) { - write(","); - } - writeLine(); - increaseIndent(); - var group = dependencyGroups[i]; - var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); - write("function (" + parameterName + ") {"); - increaseIndent(); - for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { - var entry = group_1[_a]; - var importVariableName = getLocalNameForExternalImport(entry) || ""; - switch (entry.kind) { - case 225: - if (!entry.importClause) { - break; - } - case 224: - ts.Debug.assert(importVariableName !== ""); - writeLine(); - write(importVariableName + " = " + parameterName + ";"); - writeLine(); - break; - case 231: - ts.Debug.assert(importVariableName !== ""); - if (entry.exportClause) { - writeLine(); - write(exportFunctionForFile + "({"); - writeLine(); - increaseIndent(); - for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { - if (i_1 !== 0) { - write(","); - writeLine(); - } - var e = entry.exportClause.elements[i_1]; - write("\""); - emitNodeWithCommentsAndWithoutSourcemap(e.name); - write("\": " + parameterName + "[\""); - emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); - write("\"]"); - } - decreaseIndent(); - writeLine(); - write("});"); - } - else { - writeLine(); - write(exportStarFunction + "(" + parameterName + ");"); - } - writeLine(); - break; - } - } - decreaseIndent(); - write("}"); - decreaseIndent(); - } - write("],"); - } - function emitExecute(node, startIndex) { - write("execute: function() {"); - increaseIndent(); - writeLine(); - for (var i = startIndex; i < node.statements.length; i++) { - var statement = node.statements[i]; - switch (statement.kind) { - case 216: - case 225: - continue; - case 231: - if (!statement.moduleSpecifier) { - for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { - var element = _b[_a]; - emitExportSpecifierInSystemModule(element); - } - } - continue; - case 224: - if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { - continue; - } - default: - writeLine(); - emit(statement); - } - } - decreaseIndent(); - writeLine(); - write("}"); - } - function writeModuleName(node, emitRelativePathAsModuleName) { - var moduleName = node.moduleName; - if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { - write("\"" + moduleName + "\", "); - } - } - function emitSystemModule(node, emitRelativePathAsModuleName) { - collectExternalModuleInfo(node); - ts.Debug.assert(!exportFunctionForFile); - exportFunctionForFile = makeUniqueName("exports"); - contextObjectForFile = makeUniqueName("context"); - writeLine(); - write("System.register("); - writeModuleName(node, emitRelativePathAsModuleName); - write("["); - var groupIndices = {}; - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); - if (text === undefined) { - continue; - } - var key = text.substr(1, text.length - 2); - if (ts.hasProperty(groupIndices, key)) { - var groupIndex = groupIndices[key]; - dependencyGroups[groupIndex].push(externalImports[i]); - continue; - } - else { - groupIndices[key] = dependencyGroups.length; - dependencyGroups.push([externalImports[i]]); - } - if (i !== 0) { - write(", "); - } - write(text); - } - write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); - writeLine(); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - writeLine(); - write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); - writeLine(); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitSystemModuleBody(node, dependencyGroups, startIndex); - decreaseIndent(); - writeLine(); - write("});"); - } - function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - var aliasedModuleNames = []; - var unaliasedModuleNames = []; - var importAliasNames = []; - for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { - var amdDependency = _b[_a]; - if (amdDependency.name) { - aliasedModuleNames.push("\"" + amdDependency.path + "\""); - importAliasNames.push(amdDependency.name); - } - else { - unaliasedModuleNames.push("\"" + amdDependency.path + "\""); - } - } - for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { - var importNode = externalImports_4[_c]; - var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); - var importAliasName = getLocalNameForExternalImport(importNode); - if (includeNonAmdDependencies && importAliasName) { - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(importAliasName); - } - else { - unaliasedModuleNames.push(externalModuleName); - } - } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); - emitAMDDependencyList(dependencyNames); - write(", "); - emitAMDFactoryHeader(dependencyNames); - } - function emitAMDDependencyList(_a) { - var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; - write("[\"require\", \"exports\""); - if (aliasedModuleNames.length) { - write(", "); - write(aliasedModuleNames.join(", ")); - } - if (unaliasedModuleNames.length) { - write(", "); - write(unaliasedModuleNames.join(", ")); - } - write("]"); - } - function emitAMDFactoryHeader(_a) { - var importAliasNames = _a.importAliasNames; - write("function (require, exports"); - if (importAliasNames.length) { - write(", "); - write(importAliasNames.join(", ")); - } - write(") {"); - } - function emitAMDModule(node, emitRelativePathAsModuleName) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - writeLine(); - write("define("); - writeModuleName(node, emitRelativePathAsModuleName); - emitAMDDependencies(node, true, emitRelativePathAsModuleName); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitCommonJSModule(node) { - var startIndex = emitDirectivePrologues(node.statements, false, !compilerOptions.noImplicitUseStrict); - emitEmitHelpers(node); - collectExternalModuleInfo(node); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(false); - } - function emitUMDModule(node) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - var dependencyNames = getAMDDependencyNames(node, false); - writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); - emitAMDDependencyList(dependencyNames); - write(", factory);"); - writeLines(" }\n})("); - emitAMDFactoryHeader(dependencyNames); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitES6Module(node) { - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - var startIndex = emitDirectivePrologues(node.statements, false); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - } - function emitExportEquals(emitAsReturn) { - if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { - writeLine(); - emitStart(exportEquals); - write(emitAsReturn ? "return " : "module.exports = "); - emit(exportEquals.expression); - write(";"); - emitEnd(exportEquals); - } - } - function emitJsxElement(node) { - switch (compilerOptions.jsx) { - case 2: - jsxEmitReact(node); - break; - case 1: - default: - jsxEmitPreserve(node); - break; - } - } - function trimReactWhitespaceAndApplyEntities(node) { - var result = undefined; - var text = ts.getTextOfNode(node, true); - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - if (result) { - result = result.replace(/&(\w+);/g, function (s, m) { - if (entities[m] !== undefined) { - var ch = String.fromCharCode(entities[m]); - return ch === "\"" ? "\\\"" : ch; - } - else { - return s; - } - }); - } - return result; - } - function getTextToEmit(node) { - switch (compilerOptions.jsx) { - case 2: - var text = trimReactWhitespaceAndApplyEntities(node); - if (text === undefined || text.length === 0) { - return undefined; - } - else { - return text; - } - case 1: - default: - return ts.getTextOfNode(node, true); - } - } - function emitJsxText(node) { - switch (compilerOptions.jsx) { - case 2: - write("\""); - write(trimReactWhitespaceAndApplyEntities(node)); - write("\""); - break; - case 1: - default: - writer.writeLiteral(ts.getTextOfNode(node, true)); - break; - } - } - function emitJsxExpression(node) { - if (node.expression) { - switch (compilerOptions.jsx) { - case 1: - default: - write("{"); - emit(node.expression); - write("}"); - break; - case 2: - emit(node.expression); - break; - } - } - } - function isUseStrictPrologue(node) { - return !!node.expression.text.match(/use strict/); - } - function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { - if (writeUseStrict) { - if (startWithNewLine) { - writeLine(); - } - write("\"use strict\";"); - } - } - function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { - var foundUseStrict = false; - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (isUseStrictPrologue(statements[i])) { - foundUseStrict = true; - } - if (startWithNewLine || i > 0) { - writeLine(); - } - emit(statements[i]); - } - else { - ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); - return i; - } - } - ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); - return statements.length; - } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - writeLine(); - write(line); - } - } - } - function emitEmitHelpers(node) { - if (!compilerOptions.noEmitHelpers) { - if ((languageVersion < 2) && (!extendsEmitted && node.flags & 4194304)) { - writeLines(extendsHelper); - extendsEmitted = true; - } - if (!decorateEmitted && node.flags & 8388608) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); - } - decorateEmitted = true; - } - if (!paramEmitted && node.flags & 16777216) { - writeLines(paramHelper); - paramEmitted = true; - } - if (!awaiterEmitted && node.flags & 33554432) { - writeLines(awaiterHelper); - awaiterEmitted = true; - } - } - } - function emitSourceFileNode(node) { - writeLine(); - emitShebang(); - emitDetachedCommentsAndUpdateCommentsInfo(node); - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { - var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1]; - emitModule(node); - } - else { - bundleEmitDelegates[modulekind](node, true); - } - } - else { - var startIndex = emitDirectivePrologues(node.statements, false); - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - } - emitLeadingComments(node.endOfFileToken); - } - function emit(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); - } - function emitNodeWithCommentsAndWithoutSourcemap(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); - } - function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { - if (node) { - if (node.flags & 4) { - return emitCommentsOnNotEmittedNode(node); - } - if (isSpecializedCommentHandling(node)) { - return emitNodeWithoutSourceMap(node); - } - var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); - if (emitComments_1) { - emitLeadingComments(node); - } - emitNodeConsideringSourcemap(node); - if (emitComments_1) { - emitTrailingComments(node); - } - } - } - function emitNodeWithSourceMap(node) { - if (node) { - emitStart(node); - emitNodeWithoutSourceMap(node); - emitEnd(node); - } - } - function emitNodeWithoutSourceMap(node) { - if (node) { - emitJavaScriptWorker(node); - } - } - function changeSourceMapEmit(writer) { - sourceMap = writer; - emitStart = writer.emitStart; - emitEnd = writer.emitEnd; - emitPos = writer.emitPos; - setSourceFile = writer.setSourceFile; - } - function withTemporaryNoSourceMap(callback) { - var prevSourceMap = sourceMap; - setSourceMapWriterEmit(ts.getNullSourceMapWriter()); - callback(); - setSourceMapWriterEmit(prevSourceMap); - } - function isSpecializedCommentHandling(node) { - switch (node.kind) { - case 218: - case 216: - case 225: - case 224: - case 219: - case 230: - return true; - } - } - function shouldEmitLeadingAndTrailingComments(node) { - switch (node.kind) { - case 196: - return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); - case 221: - return shouldEmitModuleDeclaration(node); - case 220: - return shouldEmitEnumDeclaration(node); - } - ts.Debug.assert(!isSpecializedCommentHandling(node)); - if (node.kind !== 195 && - node.parent && - node.parent.kind === 177 && - node.parent.body === node && - compilerOptions.target <= 1) { - return false; - } - return true; - } - function emitJavaScriptWorker(node) { - switch (node.kind) { - case 69: - return emitIdentifier(node); - case 139: - return emitParameter(node); - case 144: - case 143: - return emitMethod(node); - case 146: - case 147: - return emitAccessor(node); - case 97: - return emitThis(node); - case 95: - return emitSuper(node); - case 93: - return write("null"); - case 99: - return write("true"); - case 84: - return write("false"); - case 8: - case 9: - case 10: - case 11: - case 12: - case 13: - case 14: - return emitLiteral(node); - case 186: - return emitTemplateExpression(node); - case 193: - return emitTemplateSpan(node); - case 236: - case 237: - return emitJsxElement(node); - case 239: - return emitJsxText(node); - case 243: - return emitJsxExpression(node); - case 136: - return emitQualifiedName(node); - case 164: - return emitObjectBindingPattern(node); - case 165: - return emitArrayBindingPattern(node); - case 166: - return emitBindingElement(node); - case 167: - return emitArrayLiteral(node); - case 168: - return emitObjectLiteral(node); - case 248: - return emitPropertyAssignment(node); - case 249: - return emitShorthandPropertyAssignment(node); - case 137: - return emitComputedPropertyName(node); - case 169: - return emitPropertyAccess(node); - case 170: - return emitIndexedAccess(node); - case 171: - return emitCallExpression(node); - case 172: - return emitNewExpression(node); - case 173: - return emitTaggedTemplateExpression(node); - case 174: - return emit(node.expression); - case 192: - return emit(node.expression); - case 175: - return emitParenExpression(node); - case 216: - case 176: - case 177: - return emitFunctionDeclaration(node); - case 178: - return emitDeleteExpression(node); - case 179: - return emitTypeOfExpression(node); - case 180: - return emitVoidExpression(node); - case 181: - return emitAwaitExpression(node); - case 182: - return emitPrefixUnaryExpression(node); - case 183: - return emitPostfixUnaryExpression(node); - case 184: - return emitBinaryExpression(node); - case 185: - return emitConditionalExpression(node); - case 188: - return emitSpreadElementExpression(node); - case 187: - return emitYieldExpression(node); - case 190: - return; - case 195: - case 222: - return emitBlock(node); - case 196: - return emitVariableStatement(node); - case 197: - return write(";"); - case 198: - return emitExpressionStatement(node); - case 199: - return emitIfStatement(node); - case 200: - return emitDoStatement(node); - case 201: - return emitWhileStatement(node); - case 202: - return emitForStatement(node); - case 204: - case 203: - return emitForInOrForOfStatement(node); - case 205: - case 206: - return emitBreakOrContinueStatement(node); - case 207: - return emitReturnStatement(node); - case 208: - return emitWithStatement(node); - case 209: - return emitSwitchStatement(node); - case 244: - case 245: - return emitCaseOrDefaultClause(node); - case 210: - return emitLabeledStatement(node); - case 211: - return emitThrowStatement(node); - case 212: - return emitTryStatement(node); - case 247: - return emitCatchClause(node); - case 213: - return emitDebuggerStatement(node); - case 214: - return emitVariableDeclaration(node); - case 189: - return emitClassExpression(node); - case 217: - return emitClassDeclaration(node); - case 218: - return emitInterfaceDeclaration(node); - case 220: - return emitEnumDeclaration(node); - case 250: - return emitEnumMember(node); - case 221: - return emitModuleDeclaration(node); - case 225: - return emitImportDeclaration(node); - case 224: - return emitImportEqualsDeclaration(node); - case 231: - return emitExportDeclaration(node); - case 230: - return emitExportAssignment(node); - case 251: - return emitSourceFileNode(node); - } - } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; - } - function getLeadingCommentsWithoutDetachedComments() { - var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); - } - else { - detachedCommentsInfo = undefined; - } - return leadingComments; - } - function isTripleSlashComment(comment) { - if (currentText.charCodeAt(comment.pos + 1) === 47 && - comment.pos + 2 < comment.end && - currentText.charCodeAt(comment.pos + 2) === 47) { - var textSubStr = currentText.substring(comment.pos, comment.end); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; - } - return false; - } - function getLeadingCommentsToEmit(node) { - if (node.parent) { - if (node.parent.kind === 251 || node.pos !== node.parent.pos) { - if (hasDetachedComments(node.pos)) { - return getLeadingCommentsWithoutDetachedComments(); - } - else { - return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); - } - } - } - } - function getTrailingCommentsToEmit(node) { - if (node.parent) { - if (node.parent.kind === 251 || node.end !== node.parent.end) { - return ts.getTrailingCommentRanges(currentText, node.end); - } - } - } - function emitCommentsOnNotEmittedNode(node) { - emitLeadingCommentsWorker(node, false); - } - function emitLeadingComments(node) { - return emitLeadingCommentsWorker(node, true); - } - function emitLeadingCommentsWorker(node, isEmittedNode) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (isEmittedNode) { - leadingComments = getLeadingCommentsToEmit(node); - } - else { - if (node.pos === 0) { - leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); - } - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); - ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); - } - function emitTrailingComments(node) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = getTrailingCommentsToEmit(node); - ts.emitComments(currentText, currentLineMap, writer, trailingComments, false, newLine, writeComment); - } - function emitTrailingCommentsOfPosition(pos) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = ts.getTrailingCommentRanges(currentText, pos); - ts.emitComments(currentText, currentLineMap, writer, trailingComments, true, newLine, writeComment); - } - function emitLeadingCommentsOfPositionWorker(pos) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (hasDetachedComments(pos)) { - leadingComments = getLeadingCommentsWithoutDetachedComments(); - } - else { - leadingComments = ts.getLeadingCommentRanges(currentText, pos); - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); - ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); - } - function emitDetachedCommentsAndUpdateCommentsInfo(node) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } - } - } - function writeComment(text, lineMap, writer, comment, newLine) { - emitPos(comment.pos); - ts.writeCommentRange(text, lineMap, writer, comment, newLine); - emitPos(comment.end); - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); - writeLine(); - } - } - var _a, _b; - } - function emitFile(_a, sourceFiles, isBundledEmit) { - var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - } - else { - emitSkipped = true; - } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; - } - } - } - ts.emitFiles = emitFiles; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.programTime = 0; - ts.emitTime = 0; - ts.ioReadTime = 0; - ts.ioWriteTime = 0; - var emptyArray = []; - ts.version = "1.8.2"; - function findConfigFile(searchPath, fileExists) { - var fileName = "tsconfig.json"; - while (true) { - if (fileExists(fileName)) { - return fileName; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - fileName = "../" + fileName; - } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var moduleResolution = compilerOptions.moduleResolution !== undefined - ? compilerOptions.moduleResolution - : ts.getEmitModuleKind(compilerOptions) === 1 ? 2 : 1; - switch (moduleResolution) { - case 2: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - case 1: return classicNameResolver(moduleName, containingFile, compilerOptions, host); - } - } - ts.resolveModuleName = resolveModuleName; - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { - var failedLookupLocations = []; - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, false, host); - if (resolvedFileName) { - return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; - } - resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, false, host); - return resolvedFileName - ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - else { - return loadModuleFromNodeModules(moduleName, containingDirectory, host); - } - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - function directoryProbablyExists(directoryName, host) { - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - return ts.forEach(extensions, tryLoad); - function tryLoad(ext) { - var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; - if (!onlyRecordFailures && host.fileExists(fileName)) { - return fileName; - } - else { - failedLookupLocation.push(fileName); - return undefined; - } - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - var packageJsonPath = ts.combinePaths(candidate, "package.json"); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); - if (directoryExists && host.fileExists(packageJsonPath)) { - var jsonContent = void 0; - try { - var jsonText = host.readFile(packageJsonPath); - jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; - } - catch (e) { - jsonContent = { typings: undefined }; - } - if (typeof jsonContent.typings === "string") { - var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); - var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); - if (result) { - return result; - } - } - } - else { - failedLookupLocation.push(packageJsonPath); - } - return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); - } - function loadModuleFromNodeModules(moduleName, directory, host) { - var failedLookupLocations = []; - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory) { - break; - } - directory = parentPath; - } - return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - function nameStartsWithDotSlashOrDotDotSlash(name) { - var i = name.lastIndexOf("./", 1); - return i === 0 || (i === 1 && name.charCodeAt(0) === 46); - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - if (moduleName.indexOf("!") != -1) { - return { resolvedModule: undefined, failedLookupLocations: [] }; - } - var searchPath = ts.getDirectoryPath(containingFile); - var searchName; - var failedLookupLocations = []; - var referencedSourceFile; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - while (true) { - searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); - referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { - if (extension === ".tsx" && !compilerOptions.jsx) { - return undefined; - } - var candidate = searchName + extension; - if (host.fileExists(candidate)) { - return candidate; - } - else { - failedLookupLocations.push(candidate); - } - }); - if (referencedSourceFile) { - break; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - ts.defaultInitCompilerOptions = { - module: 1, - target: 1, - noImplicitAny: false, - sourceMap: false - }; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = {}; - function getCanonicalFileName(fileName) { - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - } - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - var start = new Date().getTime(); - text = ts.sys.readFile(fileName, options.charset); - ts.ioReadTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; - } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; - } - function directoryExists(directoryPath) { - if (ts.hasProperty(existingDirectories, directoryPath)) { - return true; - } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; - } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); - } - } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - var start = new Date().getTime(); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - ts.sys.writeFile(fileName, data, writeByteOrderMark); - ts.ioWriteTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.message); - } - } - } - var newLine = ts.getNewLineCharacter(options); - return { - getSourceFile: getSourceFile, - getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; - } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var programDiagnostics = ts.createDiagnosticCollection(); - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var skipDefaultLib = options.noLib; - var supportedExtensions = ts.getSupportedExtensions(options); - var start = new Date().getTime(); - host = host || createCompilerHost(options); - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var currentDirectory = host.getCurrentDirectory(); - var resolveModuleNamesWorker = host.resolveModuleNames - ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) - : (function (moduleNames, containingFile) { - var resolvedModuleNames = []; - var lookup = {}; - for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { - var moduleName = moduleNames_1[_i]; - var resolvedName = void 0; - if (ts.hasProperty(lookup, moduleName)) { - resolvedName = lookup[moduleName]; - } - else { - resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; - lookup[moduleName] = resolvedName; - } - resolvedModuleNames.push(resolvedName); - } - return resolvedModuleNames; - }); - var filesByName = ts.createFileMap(); - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (oldProgram) { - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs)) { - oldProgram = undefined; - } - } - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); - if (!skipDefaultLib) { - processRootFile(host.getDefaultLibFileName(options), true); - } - } - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } - }; - verifyCompilerOptions(); - ts.programTime += new Date().getTime() - start; - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); - } - else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - commonSourceDirectory += ts.directorySeparator; - } - } - return commonSourceDirectory; - } - function getClassifiableNames() { - if (!classifiableNames) { - getTypeChecker(); - classifiableNames = {}; - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var sourceFile = files_3[_i]; - ts.copyMap(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; - } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - return false; - } - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - return false; - } - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var newResolution = resolutions[i]; - var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); - var resolutionChanged = oldResolution - ? !newResolution || - oldResolution.resolvedFileName !== newResolution.resolvedFileName || - !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport - : newResolution; - if (resolutionChanged) { - return false; - } - } - } - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - modifiedSourceFiles.push(newSourceFile); - } - else { - newSourceFile = oldSourceFile; - } - newSourceFiles.push(newSourceFile); - } - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); - } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); - } - oldProgram.structureIsReused = true; - return true; - } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFiles: program.getSourceFiles, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), - isEmitBlocked: isEmitBlocked - }; - } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); - } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); - } - function emit(sourceFile, writeFileCallback, cancellationToken) { - var _this = this; - return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); - } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); - } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { - if (options.noEmitOnError) { - var preEmitDiagnostics = getPreEmitDiagnostics(program, undefined, cancellationToken); - if (preEmitDiagnostics.length > 0) { - return { diagnostics: preEmitDiagnostics, sourceMaps: undefined, emitSkipped: true }; - } - } - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - var start = new Date().getTime(); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); - ts.emitTime += new Date().getTime() - start; - return emitResult; - } - function getSourceFile(fileName) { - return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); - } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); - } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); - } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); - } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); - } - function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { - return sourceFile.parseDiagnostics; - } - function runWithCancellationToken(func) { - try { - return func(); - } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; - } - } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); - }); - } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 224: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 230: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 217: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 246: - var heritageClause = node; - if (heritageClause.token === 106) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 218: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 221: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 219: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 144: - case 143: - case 145: - case 146: - case 147: - case 176: - case 216: - case 177: - case 216: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 196: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 214: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 171: - case 172: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start_2 = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 139: - var parameter = node; - if (parameter.modifiers) { - var start_3 = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 142: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 220: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 174: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 140: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start_4 = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 112: - case 110: - case 111: - case 122: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - case 113: - case 82: - case 74: - case 77: - case 115: - } - } - } - return false; - } - }); - } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - if (!ts.isDeclarationFile(sourceFile)) { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - var writeFile_1 = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); - } - }); - } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; - } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); - } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; - } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; - } - function getTextOfLiteral(literal) { - return literal.text; - } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 225: - case 224: - case 231: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9) { - break; - } - if (!moduleNameExpr.text) { - break; - } - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 221: - if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 || ts.isDeclarationFile(file))) { - var moduleName = node.name; - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, true); - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } - } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } - } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - } - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - return file_1; - } - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - file.path = path; - if (host.useCaseSensitiveFileNames()) { - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - var basePath = ts.getDirectoryPath(fileName); - if (!options.noResolve) { - processReferencedFiles(file, basePath); - } - processImportedModules(file, basePath); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; - } - function processReferencedFiles(file, basePath) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, false, file, ref.pos, ref.end); - }); - } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); - } - function processImportedModules(file, basePath) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = {}; - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - var shouldAddFile = resolution && - !options.noResolve && - i < file.imports.length; - if (shouldAddFile) { - var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - if (importedFile && resolution.isExternalLibraryImport) { - if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { - var start_5 = ts.getTokenPosOfNode(file.imports[i], file); - fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); - } - else if (importedFile.referencedFiles.length) { - var firstRef = importedFile.referencedFiles[0]; - fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); - } - } - } - } - } - else { - file.resolvedModules = undefined; - } - return; - } - function computeCommonSourceDirectory(sourceFiles) { - var commonPathComponents; - var failed = ts.forEach(files, function (sourceFile) { - if (ts.isDeclarationFile(sourceFile)) { - return; - } - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); - sourcePathComponents.pop(); - if (!commonPathComponents) { - commonPathComponents = sourcePathComponents; - return; - } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - return true; - } - commonPathComponents.length = i; - break; - } - } - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; - } - }); - if (failed) { - return ""; - } - if (!commonPathComponents) { - return currentDirectory; - } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } - } - } - return allFilesBelongToPath; - } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } - } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } - } - if (options.inlineSources) { - if (!options.sourceMap && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); - } - } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); - } - if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); - } - if (options.sourceRoot && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); - } - } - var languageVersion = options.target || 0; - var outFile = options.outFile || options.out; - var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === 0 && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); - } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); - } - } - else if (firstExternalModuleSourceFile && languageVersion < 2 && options.module === 0) { - var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); - } - if (options.module === 5 && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); - } - if (outFile && options.module && !(options.module === 2 || options.module === 4)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - var dir = getCommonSourceDirectory(); - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); - } - } - if (options.noEmit) { - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); - } - if (options.outDir) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); - } - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); - } - } - else if (options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } - } - } - } - function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); - } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.optionDeclarations = [ - { - name: "charset", - type: "string" - }, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file - }, - { - name: "diagnostics", - type: "boolean" - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file - }, - { - name: "inlineSourceMap", - type: "boolean" - }, - { - name: "inlineSources", - type: "boolean" - }, - { - name: "jsx", - type: { - "preserve": 1, - "react": 2 - }, - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean" - }, - { - name: "locale", - type: "string" - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "module", - shortName: "m", - type: { - "none": 0, - "commonjs": 1, - "amd": 2, - "system": 4, - "umd": 3, - "es6": 5, - "es2015": 5 - }, - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none - }, - { - name: "newLine", - type: { - "crlf": 0, - "lf": 1 - }, - description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type - }, - { - name: "noLib", - type: "boolean" - }, - { - name: "noResolve", - type: "boolean" - }, - { - name: "skipDefaultLibCheck", - type: "boolean" - }, - { - name: "out", - type: "string", - isFilePath: false, - paramType: ts.Diagnostics.FILE - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "isolatedModules", - type: "boolean" - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: { - "es3": 0, - "es5": 1, - "es6": 2, - "es2015": 2 - }, - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, - paramType: ts.Diagnostics.VERSION, - error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: { - "node": 2, - "classic": 1 - }, - description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "noCustomAsyncPromise", - type: "boolean", - experimental: true - } - ]; - var optionNameMapCache; - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; - } - var optionNameMap = {}; - var shortOptionNames = {}; - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; - } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45) { - s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); - if (ts.hasProperty(shortOptionNames, s)) { - s = shortOptionNames[s]; - } - if (ts.hasProperty(optionNameMap, s)) { - var opt = optionNameMap[s]; - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - default: - var map_1 = opt.type; - var key = (args[i] || "").toLowerCase(); - i++; - if (ts.hasProperty(map_1, key)) { - options[opt.name] = map_1[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - } - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); - } - } - else { - while (text.charCodeAt(pos) > 32) - pos++; - args.push(text.substring(start, pos)); - } - } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - function parseConfigFileTextToJson(fileName, jsonText) { - try { - var jsonTextWithoutComments = removeComments(jsonText); - return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; - } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1, false, 0, jsonText); - var token; - while ((token = scanner.scan()) !== 1) { - switch (token) { - case 2: - case 3: - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } - } - return output; - } - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { - if (existingOptions === void 0) { existingOptions = {}; } - var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; - var options = ts.extend(existingOptions, optionsFromJsonConfigFile); - return { - options: options, - fileNames: getFileNames(), - errors: errors - }; - function getFileNames() { - var fileNames = []; - if (ts.hasProperty(json, "files")) { - if (json["files"] instanceof Array) { - fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - else { - var filesSeen = {}; - var exclude = []; - if (json["exclude"] instanceof Array) { - exclude = json["exclude"]; - } - else { - exclude = ["node_modules"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - exclude.push(outDir); - } - } - exclude = ts.map(exclude, ts.normalizeSlashes); - var supportedExtensions = ts.getSupportedExtensions(options); - ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); - for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { - var extension = supportedExtensions_1[_i]; - var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); - for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { - var fileName = filesInDirWithExtension_1[_a]; - if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { - continue; - } - if (/\.min\.js$/.test(fileName)) { - continue; - } - if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { - var baseName = fileName.substr(0, fileName.length - extension.length); - if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { - continue; - } - } - filesSeen[fileName] = true; - fileNames.push(fileName); - } - } - } - return fileNames; - } - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var options = {}; - var errors = []; - if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { - options.allowJs = true; - } - if (!jsonOptions) { - return { options: options, errors: errors }; - } - var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (ts.hasProperty(optionNameMap, id)) { - var opt = optionNameMap[id]; - var optType = opt.type; - var value = jsonOptions[id]; - var expectedType = typeof optType === "string" ? optType : "string"; - if (typeof value === expectedType) { - if (typeof optType !== "string") { - var key = value.toLowerCase(); - if (ts.hasProperty(optType, key)) { - value = optType[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - value = 0; - } - } - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } - options[opt.name] = value; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); - } - } - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; -})(ts || (ts = {})); -var ts; -(function (ts) { - var reportDiagnostic = reportDiagnosticSimply; - function reportDiagnostics(diagnostics, host) { - for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { - var diagnostic = diagnostics_1[_i]; - reportDiagnostic(diagnostic, host); - } - } - function validateLocaleAndSetLanguage(locale, errors) { - var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase()); - if (!matchResult) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, "en", "ja-jp")); - return false; - } - var language = matchResult[1]; - var territory = matchResult[3]; - if (!trySetLanguageAndTerritory(language, territory, errors) && - !trySetLanguageAndTerritory(language, undefined, errors)) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_locale_0, locale)); - return false; - } - return true; - } - function trySetLanguageAndTerritory(language, territory, errors) { - var compilerFilePath = ts.normalizePath(ts.sys.getExecutingFilePath()); - var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath); - var filePath = ts.combinePaths(containingDirectoryPath, language); - if (territory) { - filePath = filePath + "-" + territory; - } - filePath = ts.sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json")); - if (!ts.sys.fileExists(filePath)) { - return false; - } - var fileContents = ""; - try { - fileContents = ts.sys.readFile(filePath); - } - catch (e) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath)); - return false; - } - try { - ts.localizedDiagnosticMessages = JSON.parse(fileContents); - } - catch (e) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath)); - return false; - } - return true; - } - function countLines(program) { - var count = 0; - ts.forEach(program.getSourceFiles(), function (file) { - count += ts.getLineStarts(file).length; - }); - return count; - } - function getDiagnosticText(message) { - var args = []; - for (var _i = 1; _i < arguments.length; _i++) { - args[_i - 1] = arguments[_i]; - } - var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments); - return diagnostic.messageText; - } - function getRelativeFileName(fileName, host) { - return host ? ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : fileName; - } - function reportDiagnosticSimply(diagnostic, host) { - var output = ""; - if (diagnostic.file) { - var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; - var relativeFileName = getRelativeFileName(diagnostic.file.fileName, host); - output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; - } - var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); - output += category + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine; - ts.sys.write(output); - } - var redForegroundEscapeSequence = "\u001b[91m"; - var yellowForegroundEscapeSequence = "\u001b[93m"; - var blueForegroundEscapeSequence = "\u001b[93m"; - var gutterStyleSequence = "\u001b[100;30m"; - var gutterSeparator = " "; - var resetEscapeSequence = "\u001b[0m"; - var elipsis = "..."; - var categoryFormatMap = (_a = {}, - _a[ts.DiagnosticCategory.Warning] = yellowForegroundEscapeSequence, - _a[ts.DiagnosticCategory.Error] = redForegroundEscapeSequence, - _a[ts.DiagnosticCategory.Message] = blueForegroundEscapeSequence, - _a - ); - function formatAndReset(text, formatStyle) { - return formatStyle + text + resetEscapeSequence; - } - function reportDiagnosticWithColorAndContext(diagnostic, host) { - var output = ""; - if (diagnostic.file) { - var start = diagnostic.start, length_3 = diagnostic.length, file = diagnostic.file; - var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character; - var _b = ts.getLineAndCharacterOfPosition(file, start + length_3), lastLine = _b.line, lastLineChar = _b.character; - var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line; - var relativeFileName = getRelativeFileName(file.fileName, host); - var hasMoreThanFiveLines = (lastLine - firstLine) >= 4; - var gutterWidth = (lastLine + 1 + "").length; - if (hasMoreThanFiveLines) { - gutterWidth = Math.max(elipsis.length, gutterWidth); - } - output += ts.sys.newLine; - for (var i = firstLine; i <= lastLine; i++) { - if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) { - output += formatAndReset(padLeft(elipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + ts.sys.newLine; - i = lastLine - 1; - } - var lineStart = ts.getPositionOfLineAndCharacter(file, i, 0); - var lineEnd = i < lastLineInFile ? ts.getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length; - var lineContent = file.text.slice(lineStart, lineEnd); - lineContent = lineContent.replace(/\s+$/g, ""); - lineContent = lineContent.replace("\t", " "); - output += formatAndReset(padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator; - output += lineContent + ts.sys.newLine; - output += formatAndReset(padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator; - output += redForegroundEscapeSequence; - if (i === firstLine) { - var lastCharForLine = i === lastLine ? lastLineChar : undefined; - output += lineContent.slice(0, firstLineChar).replace(/\S/g, " "); - output += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~"); - } - else if (i === lastLine) { - output += lineContent.slice(0, lastLineChar).replace(/./g, "~"); - } - else { - output += lineContent.replace(/./g, "~"); - } - output += resetEscapeSequence; - output += ts.sys.newLine; - } - output += ts.sys.newLine; - output += relativeFileName + "(" + (firstLine + 1) + "," + (firstLineChar + 1) + "): "; - } - var categoryColor = categoryFormatMap[diagnostic.category]; - var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); - output += formatAndReset(category, categoryColor) + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine); - output += ts.sys.newLine + ts.sys.newLine; - ts.sys.write(output); - } - function reportWatchDiagnostic(diagnostic) { - var output = new Date().toLocaleTimeString() + " - "; - if (diagnostic.file) { - var loc = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start); - output += diagnostic.file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + "): "; - } - output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine; - ts.sys.write(output); - } - function padLeft(s, length) { - while (s.length < length) { - s = " " + s; - } - return s; - } - function padRight(s, length) { - while (s.length < length) { - s = s + " "; - } - return s; - } - function reportStatisticalValue(name, value) { - ts.sys.write(padRight(name + ":", 12) + padLeft(value.toString(), 10) + ts.sys.newLine); - } - function reportCountStatistic(name, count) { - reportStatisticalValue(name, "" + count); - } - function reportTimeStatistic(name, time) { - reportStatisticalValue(name, (time / 1000).toFixed(2) + "s"); - } - function isJSONSupported() { - return typeof JSON === "object" && typeof JSON.parse === "function"; - } - function executeCommandLine(args) { - var commandLine = ts.parseCommandLine(args); - var configFileName; - var cachedConfigFileText; - var configFileWatcher; - var directoryWatcher; - var cachedProgram; - var rootFileNames; - var compilerOptions; - var compilerHost; - var hostGetSourceFile; - var timerHandleForRecompilation; - var timerHandleForDirectoryChanges; - var cachedExistingFiles; - var hostFileExists; - if (commandLine.options.locale) { - if (!isJSONSupported()) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - validateLocaleAndSetLanguage(commandLine.options.locale, commandLine.errors); - } - if (commandLine.errors.length > 0) { - reportDiagnostics(commandLine.errors, compilerHost); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - if (commandLine.options.init) { - writeConfigFile(commandLine.options, commandLine.fileNames); - return ts.sys.exit(ts.ExitStatus.Success); - } - if (commandLine.options.version) { - printVersion(); - return ts.sys.exit(ts.ExitStatus.Success); - } - if (commandLine.options.help) { - printVersion(); - printHelp(); - return ts.sys.exit(ts.ExitStatus.Success); - } - if (commandLine.options.project) { - if (!isJSONSupported()) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--project"), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - if (commandLine.fileNames.length !== 0) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - var fileOrDirectory = ts.normalizePath(commandLine.options.project); - if (!fileOrDirectory || ts.sys.directoryExists(fileOrDirectory)) { - configFileName = ts.combinePaths(fileOrDirectory, "tsconfig.json"); - if (!ts.sys.fileExists(configFileName)) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0, commandLine.options.project), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - } - else { - configFileName = fileOrDirectory; - if (!ts.sys.fileExists(configFileName)) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_specified_path_does_not_exist_Colon_0, commandLine.options.project), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - } - } - else if (commandLine.fileNames.length === 0 && isJSONSupported()) { - var searchPath = ts.normalizePath(ts.sys.getCurrentDirectory()); - configFileName = ts.findConfigFile(searchPath, ts.sys.fileExists); - } - if (commandLine.fileNames.length === 0 && !configFileName) { - printVersion(); - printHelp(); - return ts.sys.exit(ts.ExitStatus.Success); - } - if (commandLine.options.watch && commandLine.options.hasOwnProperty("watch")) { - if (!ts.sys.watchFile) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), undefined); - return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - } - if (configFileName) { - var configFilePath = ts.toPath(configFileName, ts.sys.getCurrentDirectory(), ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - configFileWatcher = ts.sys.watchFile(configFilePath, configFileChanged); - } - if (ts.sys.watchDirectory && configFileName) { - var directory = ts.getDirectoryPath(configFileName); - directoryWatcher = ts.sys.watchDirectory(directory == "" ? "." : directory, watchedDirectoryChanged, true); - } - } - performCompilation(); - function parseConfigFile() { - if (!cachedConfigFileText) { - try { - cachedConfigFileText = ts.sys.readFile(configFileName); - } - catch (e) { - var error = ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, configFileName, e.message); - reportWatchDiagnostic(error); - ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - } - if (!cachedConfigFileText) { - var error = ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, configFileName); - reportDiagnostics([error], undefined); - ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - var result = ts.parseConfigFileTextToJson(configFileName, cachedConfigFileText); - var configObject = result.config; - if (!configObject) { - reportDiagnostics([result.error], undefined); - ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - var configParseResult = ts.parseJsonConfigFileContent(configObject, ts.sys, ts.getDirectoryPath(configFileName), commandLine.options, configFileName); - if (configParseResult.errors.length > 0) { - reportDiagnostics(configParseResult.errors, undefined); - ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); - return; - } - return configParseResult; - } - function performCompilation() { - if (!cachedProgram) { - if (configFileName) { - var configParseResult = parseConfigFile(); - rootFileNames = configParseResult.fileNames; - compilerOptions = configParseResult.options; - } - else { - rootFileNames = commandLine.fileNames; - compilerOptions = commandLine.options; - } - compilerHost = ts.createCompilerHost(compilerOptions); - hostGetSourceFile = compilerHost.getSourceFile; - compilerHost.getSourceFile = getSourceFile; - hostFileExists = compilerHost.fileExists; - compilerHost.fileExists = cachedFileExists; - } - if (compilerOptions.pretty) { - reportDiagnostic = reportDiagnosticWithColorAndContext; - } - cachedExistingFiles = {}; - var compileResult = compile(rootFileNames, compilerOptions, compilerHost); - if (!compilerOptions.watch) { - return ts.sys.exit(compileResult.exitStatus); - } - setCachedProgram(compileResult.program); - reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes)); - } - function cachedFileExists(fileName) { - if (ts.hasProperty(cachedExistingFiles, fileName)) { - return cachedExistingFiles[fileName]; - } - return cachedExistingFiles[fileName] = hostFileExists(fileName); - } - function getSourceFile(fileName, languageVersion, onError) { - if (cachedProgram) { - var sourceFile_1 = cachedProgram.getSourceFile(fileName); - if (sourceFile_1 && sourceFile_1.fileWatcher) { - return sourceFile_1; - } - } - var sourceFile = hostGetSourceFile(fileName, languageVersion, onError); - if (sourceFile && compilerOptions.watch) { - var filePath = ts.toPath(sourceFile.fileName, ts.sys.getCurrentDirectory(), ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - sourceFile.fileWatcher = ts.sys.watchFile(filePath, function (fileName, removed) { return sourceFileChanged(sourceFile, removed); }); - } - return sourceFile; - } - function setCachedProgram(program) { - if (cachedProgram) { - var newSourceFiles_1 = program ? program.getSourceFiles() : undefined; - ts.forEach(cachedProgram.getSourceFiles(), function (sourceFile) { - if (!(newSourceFiles_1 && ts.contains(newSourceFiles_1, sourceFile))) { - if (sourceFile.fileWatcher) { - sourceFile.fileWatcher.close(); - sourceFile.fileWatcher = undefined; - } - } - }); - } - cachedProgram = program; - } - function sourceFileChanged(sourceFile, removed) { - sourceFile.fileWatcher.close(); - sourceFile.fileWatcher = undefined; - if (removed) { - var index = rootFileNames.indexOf(sourceFile.fileName); - if (index >= 0) { - rootFileNames.splice(index, 1); - } - } - startTimerForRecompilation(); - } - function configFileChanged() { - setCachedProgram(undefined); - cachedConfigFileText = undefined; - startTimerForRecompilation(); - } - function watchedDirectoryChanged(fileName) { - if (fileName && !ts.isSupportedSourceFileName(fileName, compilerOptions)) { - return; - } - startTimerForHandlingDirectoryChanges(); - } - function startTimerForHandlingDirectoryChanges() { - if (timerHandleForDirectoryChanges) { - clearTimeout(timerHandleForDirectoryChanges); - } - timerHandleForDirectoryChanges = setTimeout(directoryChangeHandler, 250); - } - function directoryChangeHandler() { - var parsedCommandLine = parseConfigFile(); - var newFileNames = ts.map(parsedCommandLine.fileNames, compilerHost.getCanonicalFileName); - var canonicalRootFileNames = ts.map(rootFileNames, compilerHost.getCanonicalFileName); - if (!ts.arrayIsEqualTo(newFileNames && newFileNames.sort(), canonicalRootFileNames && canonicalRootFileNames.sort())) { - setCachedProgram(undefined); - startTimerForRecompilation(); - } - } - function startTimerForRecompilation() { - if (timerHandleForRecompilation) { - clearTimeout(timerHandleForRecompilation); - } - timerHandleForRecompilation = setTimeout(recompile, 250); - } - function recompile() { - timerHandleForRecompilation = undefined; - reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation)); - performCompilation(); - } - } - ts.executeCommandLine = executeCommandLine; - function compile(fileNames, compilerOptions, compilerHost) { - ts.ioReadTime = 0; - ts.ioWriteTime = 0; - ts.programTime = 0; - ts.bindTime = 0; - ts.checkTime = 0; - ts.emitTime = 0; - var program = ts.createProgram(fileNames, compilerOptions, compilerHost); - var exitStatus = compileProgram(); - if (compilerOptions.listFiles) { - ts.forEach(program.getSourceFiles(), function (file) { - ts.sys.write(file.fileName + ts.sys.newLine); - }); - } - if (compilerOptions.diagnostics) { - var memoryUsed = ts.sys.getMemoryUsage ? ts.sys.getMemoryUsage() : -1; - reportCountStatistic("Files", program.getSourceFiles().length); - reportCountStatistic("Lines", countLines(program)); - reportCountStatistic("Nodes", program.getNodeCount()); - reportCountStatistic("Identifiers", program.getIdentifierCount()); - reportCountStatistic("Symbols", program.getSymbolCount()); - reportCountStatistic("Types", program.getTypeCount()); - if (memoryUsed >= 0) { - reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K"); - } - reportTimeStatistic("I/O read", ts.ioReadTime); - reportTimeStatistic("I/O write", ts.ioWriteTime); - reportTimeStatistic("Parse time", ts.programTime); - reportTimeStatistic("Bind time", ts.bindTime); - reportTimeStatistic("Check time", ts.checkTime); - reportTimeStatistic("Emit time", ts.emitTime); - reportTimeStatistic("Total time", ts.programTime + ts.bindTime + ts.checkTime + ts.emitTime); - } - return { program: program, exitStatus: exitStatus }; - function compileProgram() { - var diagnostics; - diagnostics = program.getSyntacticDiagnostics(); - if (diagnostics.length === 0) { - diagnostics = program.getOptionsDiagnostics().concat(program.getGlobalDiagnostics()); - if (diagnostics.length === 0) { - diagnostics = program.getSemanticDiagnostics(); - } - } - reportDiagnostics(diagnostics, compilerHost); - if (compilerOptions.noEmit) { - return diagnostics.length - ? ts.ExitStatus.DiagnosticsPresent_OutputsSkipped - : ts.ExitStatus.Success; - } - var emitOutput = program.emit(); - reportDiagnostics(emitOutput.diagnostics, compilerHost); - if (emitOutput.emitSkipped) { - return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped; - } - if (diagnostics.length > 0 || emitOutput.diagnostics.length > 0) { - return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated; - } - return ts.ExitStatus.Success; - } - } - function printVersion() { - ts.sys.write(getDiagnosticText(ts.Diagnostics.Version_0, ts.version) + ts.sys.newLine); - } - function printHelp() { - var output = ""; - var syntaxLength = getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, "").length; - var examplesLength = getDiagnosticText(ts.Diagnostics.Examples_Colon_0, "").length; - var marginLength = Math.max(syntaxLength, examplesLength); - var syntax = makePadding(marginLength - syntaxLength); - syntax += "tsc [" + getDiagnosticText(ts.Diagnostics.options) + "] [" + getDiagnosticText(ts.Diagnostics.file) + " ...]"; - output += getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, syntax); - output += ts.sys.newLine + ts.sys.newLine; - var padding = makePadding(marginLength); - output += getDiagnosticText(ts.Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + ts.sys.newLine; - output += padding + "tsc --out file.js file.ts" + ts.sys.newLine; - output += padding + "tsc @args.txt" + ts.sys.newLine; - output += ts.sys.newLine; - output += getDiagnosticText(ts.Diagnostics.Options_Colon) + ts.sys.newLine; - var optsList = ts.filter(ts.optionDeclarations.slice(), function (v) { return !v.experimental; }); - optsList.sort(function (a, b) { return ts.compareValues(a.name.toLowerCase(), b.name.toLowerCase()); }); - marginLength = 0; - var usageColumn = []; - var descriptionColumn = []; - for (var i = 0; i < optsList.length; i++) { - var option = optsList[i]; - if (!option.description) { - continue; - } - var usageText_1 = " "; - if (option.shortName) { - usageText_1 += "-" + option.shortName; - usageText_1 += getParamType(option); - usageText_1 += ", "; - } - usageText_1 += "--" + option.name; - usageText_1 += getParamType(option); - usageColumn.push(usageText_1); - descriptionColumn.push(getDiagnosticText(option.description)); - marginLength = Math.max(usageText_1.length, marginLength); - } - var usageText = " @<" + getDiagnosticText(ts.Diagnostics.file) + ">"; - usageColumn.push(usageText); - descriptionColumn.push(getDiagnosticText(ts.Diagnostics.Insert_command_line_options_and_files_from_a_file)); - marginLength = Math.max(usageText.length, marginLength); - for (var i = 0; i < usageColumn.length; i++) { - var usage = usageColumn[i]; - var description = descriptionColumn[i]; - output += usage + makePadding(marginLength - usage.length + 2) + description + ts.sys.newLine; - } - ts.sys.write(output); - return; - function getParamType(option) { - if (option.paramType !== undefined) { - return " " + getDiagnosticText(option.paramType); - } - return ""; - } - function makePadding(paddingLength) { - return Array(paddingLength + 1).join(" "); - } - } - function writeConfigFile(options, fileNames) { - var currentDirectory = ts.sys.getCurrentDirectory(); - var file = ts.normalizePath(ts.combinePaths(currentDirectory, "tsconfig.json")); - if (ts.sys.fileExists(file)) { - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.A_tsconfig_json_file_is_already_defined_at_Colon_0, file), undefined); - } - else { - var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); - var configurations = { - compilerOptions: serializeCompilerOptions(compilerOptions), - exclude: ["node_modules"] - }; - if (fileNames && fileNames.length) { - configurations.files = fileNames; - } - ts.sys.writeFile(file, JSON.stringify(configurations, undefined, 4)); - reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Successfully_created_a_tsconfig_json_file), undefined); - } - return; - function serializeCompilerOptions(options) { - var result = {}; - var optionsNameMap = ts.getOptionNameMap().optionNameMap; - for (var name_32 in options) { - if (ts.hasProperty(options, name_32)) { - var value = options[name_32]; - switch (name_32) { - case "init": - case "watch": - case "version": - case "help": - case "project": - break; - default: - var optionDefinition = optionsNameMap[name_32.toLowerCase()]; - if (optionDefinition) { - if (typeof optionDefinition.type === "string") { - result[name_32] = value; - } - else { - var typeMap = optionDefinition.type; - for (var key in typeMap) { - if (ts.hasProperty(typeMap, key)) { - if (typeMap[key] === value) - result[name_32] = key; - } - } - } - } - break; - } - } - } - return result; - } - } - var _a; -})(ts || (ts = {})); -ts.executeCommandLine(ts.sys.args); +var ts; +(function (ts) { + var OperationCanceledException = (function () { + function OperationCanceledException() { + } + return OperationCanceledException; + }()); + ts.OperationCanceledException = OperationCanceledException; + (function (ExitStatus) { + ExitStatus[ExitStatus["Success"] = 0] = "Success"; + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; + })(ts.ExitStatus || (ts.ExitStatus = {})); + var ExitStatus = ts.ExitStatus; + (function (TypeReferenceSerializationKind) { + TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; + })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); + var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; + (function (DiagnosticCategory) { + DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; + DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; + DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; + })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); + var DiagnosticCategory = ts.DiagnosticCategory; +})(ts || (ts = {})); +var ts; +(function (ts) { + function createFileMap(keyMapper) { + var files = {}; + return { + get: get, + set: set, + contains: contains, + remove: remove, + forEachValue: forEachValueInMap, + clear: clear + }; + function forEachValueInMap(f) { + for (var key in files) { + f(key, files[key]); + } + } + function get(path) { + return files[toKey(path)]; + } + function set(path, value) { + files[toKey(path)] = value; + } + function contains(path) { + return hasProperty(files, toKey(path)); + } + function remove(path) { + var key = toKey(path); + delete files[key]; + } + function clear() { + files = {}; + } + function toKey(path) { + return keyMapper ? keyMapper(path) : path; + } + } + ts.createFileMap = createFileMap; + function toPath(fileName, basePath, getCanonicalFileName) { + var nonCanonicalizedPath = isRootedDiskPath(fileName) + ? normalizePath(fileName) + : getNormalizedAbsolutePath(fileName, basePath); + return getCanonicalFileName(nonCanonicalizedPath); + } + ts.toPath = toPath; + function forEach(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + var result = callback(array[i], i); + if (result) { + return result; + } + } + } + return undefined; + } + ts.forEach = forEach; + function contains(array, value) { + if (array) { + for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { + var v = array_1[_i]; + if (v === value) { + return true; + } + } + } + return false; + } + ts.contains = contains; + function indexOf(array, value) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (array[i] === value) { + return i; + } + } + } + return -1; + } + ts.indexOf = indexOf; + function countWhere(array, predicate) { + var count = 0; + if (array) { + for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { + var v = array_2[_i]; + if (predicate(v)) { + count++; + } + } + } + return count; + } + ts.countWhere = countWhere; + function filter(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { + var item = array_3[_i]; + if (f(item)) { + result.push(item); + } + } + } + return result; + } + ts.filter = filter; + function map(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { + var v = array_4[_i]; + result.push(f(v)); + } + } + return result; + } + ts.map = map; + function concatenate(array1, array2) { + if (!array2 || !array2.length) + return array1; + if (!array1 || !array1.length) + return array2; + return array1.concat(array2); + } + ts.concatenate = concatenate; + function deduplicate(array) { + var result; + if (array) { + result = []; + for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { + var item = array_5[_i]; + if (!contains(result, item)) { + result.push(item); + } + } + } + return result; + } + ts.deduplicate = deduplicate; + function sum(array, prop) { + var result = 0; + for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { + var v = array_6[_i]; + result += v[prop]; + } + return result; + } + ts.sum = sum; + function addRange(to, from) { + if (to && from) { + for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { + var v = from_1[_i]; + to.push(v); + } + } + } + ts.addRange = addRange; + function rangeEquals(array1, array2, pos, end) { + while (pos < end) { + if (array1[pos] !== array2[pos]) { + return false; + } + pos++; + } + return true; + } + ts.rangeEquals = rangeEquals; + function lastOrUndefined(array) { + if (array.length === 0) { + return undefined; + } + return array[array.length - 1]; + } + ts.lastOrUndefined = lastOrUndefined; + function binarySearch(array, value) { + var low = 0; + var high = array.length - 1; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var midValue = array[middle]; + if (midValue === value) { + return middle; + } + else if (midValue > value) { + high = middle - 1; + } + else { + low = middle + 1; + } + } + return ~low; + } + ts.binarySearch = binarySearch; + function reduceLeft(array, f, initial) { + if (array) { + var count = array.length; + if (count > 0) { + var pos = 0; + var result = arguments.length <= 2 ? array[pos] : initial; + pos++; + while (pos < count) { + result = f(result, array[pos]); + pos++; + } + return result; + } + } + return initial; + } + ts.reduceLeft = reduceLeft; + function reduceRight(array, f, initial) { + if (array) { + var pos = array.length - 1; + if (pos >= 0) { + var result = arguments.length <= 2 ? array[pos] : initial; + pos--; + while (pos >= 0) { + result = f(result, array[pos]); + pos--; + } + return result; + } + } + return initial; + } + ts.reduceRight = reduceRight; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function hasProperty(map, key) { + return hasOwnProperty.call(map, key); + } + ts.hasProperty = hasProperty; + function getProperty(map, key) { + return hasOwnProperty.call(map, key) ? map[key] : undefined; + } + ts.getProperty = getProperty; + function isEmpty(map) { + for (var id in map) { + if (hasProperty(map, id)) { + return false; + } + } + return true; + } + ts.isEmpty = isEmpty; + function clone(object) { + var result = {}; + for (var id in object) { + result[id] = object[id]; + } + return result; + } + ts.clone = clone; + function extend(first, second) { + var result = {}; + for (var id in first) { + result[id] = first[id]; + } + for (var id in second) { + if (!hasProperty(result, id)) { + result[id] = second[id]; + } + } + return result; + } + ts.extend = extend; + function forEachValue(map, callback) { + var result; + for (var id in map) { + if (result = callback(map[id])) + break; + } + return result; + } + ts.forEachValue = forEachValue; + function forEachKey(map, callback) { + var result; + for (var id in map) { + if (result = callback(id)) + break; + } + return result; + } + ts.forEachKey = forEachKey; + function lookUp(map, key) { + return hasProperty(map, key) ? map[key] : undefined; + } + ts.lookUp = lookUp; + function copyMap(source, target) { + for (var p in source) { + target[p] = source[p]; + } + } + ts.copyMap = copyMap; + function arrayToMap(array, makeKey) { + var result = {}; + forEach(array, function (value) { + result[makeKey(value)] = value; + }); + return result; + } + ts.arrayToMap = arrayToMap; + function reduceProperties(map, callback, initial) { + var result = initial; + if (map) { + for (var key in map) { + if (hasProperty(map, key)) { + result = callback(result, map[key], String(key)); + } + } + } + return result; + } + ts.reduceProperties = reduceProperties; + function isArray(value) { + return Array.isArray ? Array.isArray(value) : value instanceof Array; + } + ts.isArray = isArray; + function memoize(callback) { + var value; + return function () { + if (callback) { + value = callback(); + callback = undefined; + } + return value; + }; + } + ts.memoize = memoize; + function formatStringFromArgs(text, args, baseIndex) { + baseIndex = baseIndex || 0; + return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); + } + ts.localizedDiagnosticMessages = undefined; + function getLocaleSpecificMessage(message) { + return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] + ? ts.localizedDiagnosticMessages[message.key] + : message.message; + } + ts.getLocaleSpecificMessage = getLocaleSpecificMessage; + function createFileDiagnostic(file, start, length, message) { + var end = start + length; + Debug.assert(start >= 0, "start must be non-negative, is " + start); + Debug.assert(length >= 0, "length must be non-negative, is " + length); + if (file) { + Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); + Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); + } + var text = getLocaleSpecificMessage(message); + if (arguments.length > 4) { + text = formatStringFromArgs(text, arguments, 4); + } + return { + file: file, + start: start, + length: length, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createFileDiagnostic = createFileDiagnostic; + function createCompilerDiagnostic(message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 1) { + text = formatStringFromArgs(text, arguments, 1); + } + return { + file: undefined, + start: undefined, + length: undefined, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createCompilerDiagnostic = createCompilerDiagnostic; + function chainDiagnosticMessages(details, message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 2) { + text = formatStringFromArgs(text, arguments, 2); + } + return { + messageText: text, + category: message.category, + code: message.code, + next: details + }; + } + ts.chainDiagnosticMessages = chainDiagnosticMessages; + function concatenateDiagnosticMessageChains(headChain, tailChain) { + var lastChain = headChain; + while (lastChain.next) { + lastChain = lastChain.next; + } + lastChain.next = tailChain; + return headChain; + } + ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; + function compareValues(a, b) { + if (a === b) + return 0; + if (a === undefined) + return -1; + if (b === undefined) + return 1; + return a < b ? -1 : 1; + } + ts.compareValues = compareValues; + function getDiagnosticFileName(diagnostic) { + return diagnostic.file ? diagnostic.file.fileName : undefined; + } + function compareDiagnostics(d1, d2) { + return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || + compareValues(d1.start, d2.start) || + compareValues(d1.length, d2.length) || + compareValues(d1.code, d2.code) || + compareMessageText(d1.messageText, d2.messageText) || + 0; + } + ts.compareDiagnostics = compareDiagnostics; + function compareMessageText(text1, text2) { + while (text1 && text2) { + var string1 = typeof text1 === "string" ? text1 : text1.messageText; + var string2 = typeof text2 === "string" ? text2 : text2.messageText; + var res = compareValues(string1, string2); + if (res) { + return res; + } + text1 = typeof text1 === "string" ? undefined : text1.next; + text2 = typeof text2 === "string" ? undefined : text2.next; + } + if (!text1 && !text2) { + return 0; + } + return text1 ? 1 : -1; + } + function sortAndDeduplicateDiagnostics(diagnostics) { + return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); + } + ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; + function deduplicateSortedDiagnostics(diagnostics) { + if (diagnostics.length < 2) { + return diagnostics; + } + var newDiagnostics = [diagnostics[0]]; + var previousDiagnostic = diagnostics[0]; + for (var i = 1; i < diagnostics.length; i++) { + var currentDiagnostic = diagnostics[i]; + var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0; + if (!isDupe) { + newDiagnostics.push(currentDiagnostic); + previousDiagnostic = currentDiagnostic; + } + } + return newDiagnostics; + } + ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; + function normalizeSlashes(path) { + return path.replace(/\\/g, "/"); + } + ts.normalizeSlashes = normalizeSlashes; + function getRootLength(path) { + if (path.charCodeAt(0) === 47) { + if (path.charCodeAt(1) !== 47) + return 1; + var p1 = path.indexOf("/", 2); + if (p1 < 0) + return 2; + var p2 = path.indexOf("/", p1 + 1); + if (p2 < 0) + return p1 + 1; + return p2 + 1; + } + if (path.charCodeAt(1) === 58) { + if (path.charCodeAt(2) === 47) + return 3; + return 2; + } + if (path.lastIndexOf("file:///", 0) === 0) { + return "file:///".length; + } + var idx = path.indexOf("://"); + if (idx !== -1) { + return idx + "://".length; + } + return 0; + } + ts.getRootLength = getRootLength; + ts.directorySeparator = "/"; + function getNormalizedParts(normalizedSlashedPath, rootLength) { + var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); + var normalized = []; + for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { + var part = parts_1[_i]; + if (part !== ".") { + if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { + normalized.pop(); + } + else { + if (part) { + normalized.push(part); + } + } + } + } + return normalized; + } + function normalizePath(path) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + var normalized = getNormalizedParts(path, rootLength); + return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); + } + ts.normalizePath = normalizePath; + function getDirectoryPath(path) { + return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); + } + ts.getDirectoryPath = getDirectoryPath; + function isUrl(path) { + return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; + } + ts.isUrl = isUrl; + function isRootedDiskPath(path) { + return getRootLength(path) !== 0; + } + ts.isRootedDiskPath = isRootedDiskPath; + function normalizedPathComponents(path, rootLength) { + var normalizedParts = getNormalizedParts(path, rootLength); + return [path.substr(0, rootLength)].concat(normalizedParts); + } + function getNormalizedPathComponents(path, currentDirectory) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + if (rootLength === 0) { + path = combinePaths(normalizeSlashes(currentDirectory), path); + rootLength = getRootLength(path); + } + return normalizedPathComponents(path, rootLength); + } + ts.getNormalizedPathComponents = getNormalizedPathComponents; + function getNormalizedAbsolutePath(fileName, currentDirectory) { + return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); + } + ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; + function getNormalizedPathFromPathComponents(pathComponents) { + if (pathComponents && pathComponents.length) { + return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); + } + } + ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; + function getNormalizedPathComponentsOfUrl(url) { + var urlLength = url.length; + var rootLength = url.indexOf("://") + "://".length; + while (rootLength < urlLength) { + if (url.charCodeAt(rootLength) === 47) { + rootLength++; + } + else { + break; + } + } + if (rootLength === urlLength) { + return [url]; + } + var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); + if (indexOfNextSlash !== -1) { + rootLength = indexOfNextSlash + 1; + return normalizedPathComponents(url, rootLength); + } + else { + return [url + ts.directorySeparator]; + } + } + function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { + if (isUrl(pathOrUrl)) { + return getNormalizedPathComponentsOfUrl(pathOrUrl); + } + else { + return getNormalizedPathComponents(pathOrUrl, currentDirectory); + } + } + function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { + var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); + var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); + if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { + directoryComponents.length--; + } + var joinStartIndex; + for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { + break; + } + } + if (joinStartIndex) { + var relativePath = ""; + var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); + for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (directoryComponents[joinStartIndex] !== "") { + relativePath = relativePath + ".." + ts.directorySeparator; + } + } + return relativePath + relativePathComponents.join(ts.directorySeparator); + } + var absolutePath = getNormalizedPathFromPathComponents(pathComponents); + if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { + absolutePath = "file:///" + absolutePath; + } + return absolutePath; + } + ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; + function getBaseFileName(path) { + if (path === undefined) { + return undefined; + } + var i = path.lastIndexOf(ts.directorySeparator); + return i < 0 ? path : path.substring(i + 1); + } + ts.getBaseFileName = getBaseFileName; + function combinePaths(path1, path2) { + if (!(path1 && path1.length)) + return path2; + if (!(path2 && path2.length)) + return path1; + if (getRootLength(path2) !== 0) + return path2; + if (path1.charAt(path1.length - 1) === ts.directorySeparator) + return path1 + path2; + return path1 + ts.directorySeparator + path2; + } + ts.combinePaths = combinePaths; + function fileExtensionIs(path, extension) { + var pathLen = path.length; + var extLen = extension.length; + return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; + } + ts.fileExtensionIs = fileExtensionIs; + ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; + ts.supportedJavascriptExtensions = [".js", ".jsx"]; + var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); + function getSupportedExtensions(options) { + return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; + } + ts.getSupportedExtensions = getSupportedExtensions; + function isSupportedSourceFileName(fileName, compilerOptions) { + if (!fileName) { + return false; + } + for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { + var extension = _a[_i]; + if (fileExtensionIs(fileName, extension)) { + return true; + } + } + return false; + } + ts.isSupportedSourceFileName = isSupportedSourceFileName; + var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; + function removeFileExtension(path) { + for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { + var ext = extensionsToRemove_1[_i]; + if (fileExtensionIs(path, ext)) { + return path.substr(0, path.length - ext.length); + } + } + return path; + } + ts.removeFileExtension = removeFileExtension; + function Symbol(flags, name) { + this.flags = flags; + this.name = name; + this.declarations = undefined; + } + function Type(checker, flags) { + this.flags = flags; + } + function Signature(checker) { + } + function Node(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0; + this.parent = undefined; + } + ts.objectAllocator = { + getNodeConstructor: function () { return Node; }, + getSourceFileConstructor: function () { return Node; }, + getSymbolConstructor: function () { return Symbol; }, + getTypeConstructor: function () { return Type; }, + getSignatureConstructor: function () { return Signature; } + }; + var Debug; + (function (Debug) { + var currentAssertionLevel = 0; + function shouldAssert(level) { + return currentAssertionLevel >= level; + } + Debug.shouldAssert = shouldAssert; + function assert(expression, message, verboseDebugInfo) { + if (!expression) { + var verboseDebugString = ""; + if (verboseDebugInfo) { + verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); + } + debugger; + throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); + } + } + Debug.assert = assert; + function fail(message) { + Debug.assert(false, message); + } + Debug.fail = fail; + })(Debug = ts.Debug || (ts.Debug = {})); + function copyListRemovingItem(item, list) { + var copiedList = []; + for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { + var e = list_1[_i]; + if (e !== item) { + copiedList.push(e); + } + } + return copiedList; + } + ts.copyListRemovingItem = copyListRemovingItem; + function createGetCanonicalFileName(useCaseSensitivefileNames) { + return useCaseSensitivefileNames + ? (function (fileName) { return fileName; }) + : (function (fileName) { return fileName.toLowerCase(); }); + } + ts.createGetCanonicalFileName = createGetCanonicalFileName; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.sys = (function () { + function getWScriptSystem() { + var fso = new ActiveXObject("Scripting.FileSystemObject"); + var fileStream = new ActiveXObject("ADODB.Stream"); + fileStream.Type = 2; + var binaryStream = new ActiveXObject("ADODB.Stream"); + binaryStream.Type = 1; + var args = []; + for (var i = 0; i < WScript.Arguments.length; i++) { + args[i] = WScript.Arguments.Item(i); + } + function readFile(fileName, encoding) { + if (!fso.FileExists(fileName)) { + return undefined; + } + fileStream.Open(); + try { + if (encoding) { + fileStream.Charset = encoding; + fileStream.LoadFromFile(fileName); + } + else { + fileStream.Charset = "x-ansi"; + fileStream.LoadFromFile(fileName); + var bom = fileStream.ReadText(2) || ""; + fileStream.Position = 0; + fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; + } + return fileStream.ReadText(); + } + catch (e) { + throw e; + } + finally { + fileStream.Close(); + } + } + function writeFile(fileName, data, writeByteOrderMark) { + fileStream.Open(); + binaryStream.Open(); + try { + fileStream.Charset = "utf-8"; + fileStream.WriteText(data); + if (writeByteOrderMark) { + fileStream.Position = 0; + } + else { + fileStream.Position = 3; + } + fileStream.CopyTo(binaryStream); + binaryStream.SaveToFile(fileName, 2); + } + finally { + binaryStream.Close(); + fileStream.Close(); + } + } + function getCanonicalPath(path) { + return path.toLowerCase(); + } + function getNames(collection) { + var result = []; + for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { + result.push(e.item().Name); + } + return result.sort(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var folder = fso.GetFolder(path || "."); + var files = getNames(folder.files); + for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { + var current = files_1[_i]; + var name_1 = ts.combinePaths(path, current); + if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { + result.push(name_1); + } + } + var subfolders = getNames(folder.subfolders); + for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { + var current = subfolders_1[_a]; + var name_2 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_2))) { + visitDirectory(name_2); + } + } + } + } + return { + args: args, + newLine: "\r\n", + useCaseSensitiveFileNames: false, + write: function (s) { + WScript.StdOut.Write(s); + }, + readFile: readFile, + writeFile: writeFile, + resolvePath: function (path) { + return fso.GetAbsolutePathName(path); + }, + fileExists: function (path) { + return fso.FileExists(path); + }, + directoryExists: function (path) { + return fso.FolderExists(path); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + fso.CreateFolder(directoryName); + } + }, + getExecutingFilePath: function () { + return WScript.ScriptFullName; + }, + getCurrentDirectory: function () { + return new ActiveXObject("WScript.Shell").CurrentDirectory; + }, + readDirectory: readDirectory, + exit: function (exitCode) { + try { + WScript.Quit(exitCode); + } + catch (e) { + } + } + }; + } + function getNodeSystem() { + var _fs = require("fs"); + var _path = require("path"); + var _os = require("os"); + function createPollingWatchedFileSet(interval, chunkSize) { + if (interval === void 0) { interval = 2500; } + if (chunkSize === void 0) { chunkSize = 30; } + var watchedFiles = []; + var nextFileToCheck = 0; + var watchTimer; + function getModifiedTime(fileName) { + return _fs.statSync(fileName).mtime; + } + function poll(checkedIndex) { + var watchedFile = watchedFiles[checkedIndex]; + if (!watchedFile) { + return; + } + _fs.stat(watchedFile.filePath, function (err, stats) { + if (err) { + watchedFile.callback(watchedFile.filePath); + } + else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { + watchedFile.mtime = getModifiedTime(watchedFile.filePath); + watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); + } + }); + } + function startWatchTimer() { + watchTimer = setInterval(function () { + var count = 0; + var nextToCheck = nextFileToCheck; + var firstCheck = -1; + while ((count < chunkSize) && (nextToCheck !== firstCheck)) { + poll(nextToCheck); + if (firstCheck < 0) { + firstCheck = nextToCheck; + } + nextToCheck++; + if (nextToCheck === watchedFiles.length) { + nextToCheck = 0; + } + count++; + } + nextFileToCheck = nextToCheck; + }, interval); + } + function addFile(filePath, callback) { + var file = { + filePath: filePath, + callback: callback, + mtime: getModifiedTime(filePath) + }; + watchedFiles.push(file); + if (watchedFiles.length === 1) { + startWatchTimer(); + } + return file; + } + function removeFile(file) { + watchedFiles = ts.copyListRemovingItem(file, watchedFiles); + } + return { + getModifiedTime: getModifiedTime, + poll: poll, + startWatchTimer: startWatchTimer, + addFile: addFile, + removeFile: removeFile + }; + } + function createWatchedFileSet() { + var dirWatchers = ts.createFileMap(); + var fileWatcherCallbacks = ts.createFileMap(); + return { addFile: addFile, removeFile: removeFile }; + function reduceDirWatcherRefCountForFile(filePath) { + var dirPath = ts.getDirectoryPath(filePath); + if (dirWatchers.contains(dirPath)) { + var watcher = dirWatchers.get(dirPath); + watcher.referenceCount -= 1; + if (watcher.referenceCount <= 0) { + watcher.close(); + dirWatchers.remove(dirPath); + } + } + } + function addDirWatcher(dirPath) { + if (dirWatchers.contains(dirPath)) { + var watcher_1 = dirWatchers.get(dirPath); + watcher_1.referenceCount += 1; + return; + } + var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); + watcher.referenceCount = 1; + dirWatchers.set(dirPath, watcher); + return; + } + function addFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + fileWatcherCallbacks.get(filePath).push(callback); + } + else { + fileWatcherCallbacks.set(filePath, [callback]); + } + } + function addFile(filePath, callback) { + addFileWatcherCallback(filePath, callback); + addDirWatcher(ts.getDirectoryPath(filePath)); + return { filePath: filePath, callback: callback }; + } + function removeFile(watchedFile) { + removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); + reduceDirWatcherRefCountForFile(watchedFile.filePath); + } + function removeFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); + if (newCallbacks.length === 0) { + fileWatcherCallbacks.remove(filePath); + } + else { + fileWatcherCallbacks.set(filePath, newCallbacks); + } + } + } + function fileEventHandler(eventName, relativeFileName, baseDirPath) { + var filePath = typeof relativeFileName !== "string" + ? undefined + : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { + for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { + var fileCallback = _a[_i]; + fileCallback(filePath); + } + } + } + } + var pollingWatchedFileSet = createPollingWatchedFileSet(); + var watchedFileSet = createWatchedFileSet(); + function isNode4OrLater() { + return parseInt(process.version.charAt(1)) >= 4; + } + var platform = _os.platform(); + var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; + function readFile(fileName, encoding) { + if (!_fs.existsSync(fileName)) { + return undefined; + } + var buffer = _fs.readFileSync(fileName); + var len = buffer.length; + if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { + len &= ~1; + for (var i = 0; i < len; i += 2) { + var temp = buffer[i]; + buffer[i] = buffer[i + 1]; + buffer[i + 1] = temp; + } + return buffer.toString("utf16le", 2); + } + if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { + return buffer.toString("utf16le", 2); + } + if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { + return buffer.toString("utf8", 3); + } + return buffer.toString("utf8"); + } + function writeFile(fileName, data, writeByteOrderMark) { + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + var fd; + try { + fd = _fs.openSync(fileName, "w"); + _fs.writeSync(fd, data, undefined, "utf8"); + } + finally { + if (fd !== undefined) { + _fs.closeSync(fd); + } + } + } + function getCanonicalPath(path) { + return useCaseSensitiveFileNames ? path : path.toLowerCase(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var files = _fs.readdirSync(path || ".").sort(); + var directories = []; + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var current = files_2[_i]; + var name_3 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_3))) { + var stat = _fs.statSync(name_3); + if (stat.isFile()) { + if (!extension || ts.fileExtensionIs(name_3, extension)) { + result.push(name_3); + } + } + else if (stat.isDirectory()) { + directories.push(name_3); + } + } + } + for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { + var current = directories_1[_a]; + visitDirectory(current); + } + } + } + return { + args: process.argv.slice(2), + newLine: _os.EOL, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + write: function (s) { + process.stdout.write(s); + }, + readFile: readFile, + writeFile: writeFile, + watchFile: function (filePath, callback) { + var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; + var watchedFile = watchSet.addFile(filePath, callback); + return { + close: function () { return watchSet.removeFile(watchedFile); } + }; + }, + watchDirectory: function (path, callback, recursive) { + var options; + if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { + options = { persistent: true, recursive: !!recursive }; + } + else { + options = { persistent: true }; + } + return _fs.watch(path, options, function (eventName, relativeFileName) { + if (eventName === "rename") { + callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); + } + ; + }); + }, + resolvePath: function (path) { + return _path.resolve(path); + }, + fileExists: function (path) { + return _fs.existsSync(path); + }, + directoryExists: function (path) { + return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + _fs.mkdirSync(directoryName); + } + }, + getExecutingFilePath: function () { + return __filename; + }, + getCurrentDirectory: function () { + return process.cwd(); + }, + readDirectory: readDirectory, + getMemoryUsage: function () { + if (global.gc) { + global.gc(); + } + return process.memoryUsage().heapUsed; + }, + exit: function (exitCode) { + process.exit(exitCode); + } + }; + } + function getChakraSystem() { + return { + newLine: ChakraHost.newLine || "\r\n", + args: ChakraHost.args, + useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, + write: ChakraHost.echo, + readFile: function (path, encoding) { + return ChakraHost.readFile(path); + }, + writeFile: function (path, data, writeByteOrderMark) { + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + ChakraHost.writeFile(path, data); + }, + resolvePath: ChakraHost.resolvePath, + fileExists: ChakraHost.fileExists, + directoryExists: ChakraHost.directoryExists, + createDirectory: ChakraHost.createDirectory, + getExecutingFilePath: function () { return ChakraHost.executingFile; }, + getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, + readDirectory: ChakraHost.readDirectory, + exit: ChakraHost.quit + }; + } + if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { + return getWScriptSystem(); + } + else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { + return getNodeSystem(); + } + else if (typeof ChakraHost !== "undefined") { + return getChakraSystem(); + } + else { + return undefined; + } + })(); +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.Diagnostics = { + Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, + Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, + _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, + A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, + Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, + Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, + Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, + A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, + Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, + A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, + An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, + An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, + An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, + An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, + An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, + An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, + An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, + Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, + _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, + _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, + _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, + super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, + Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, + Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, + A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, + Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, + _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, + _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, + _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, + _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, + _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, + A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, + A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, + A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, + A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, + A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, + A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, + A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, + A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, + A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, + Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, + Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, + An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, + Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, + Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, + Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, + Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, + _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, + An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, + The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, + In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, + Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, + A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, + Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, + Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, + An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, + _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, + _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, + Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, + Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, + An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, + A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, + An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, + _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, + Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, + Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, + Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, + with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, + delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, + A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, + A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, + Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, + A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, + Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, + Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, + A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, + A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, + Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, + A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, + A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, + An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, + An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, + An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, + An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, + Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, + A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, + Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, + Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, + Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, + Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, + Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, + Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, + Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, + case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, + Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, + Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, + Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, + Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, + Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, + Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, + Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, + Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, + Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, + String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, + Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, + or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, + Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, + Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, + Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, + Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, + File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, + new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, + const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, + const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, + let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, + Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, + Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, + An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, + A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, + Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, + A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, + A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, + A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, + extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, + extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, + Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, + implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, + Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, + Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, + Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, + Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, + Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, + Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, + A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, + An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, + Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, + Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, + A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, + A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, + The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, + The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, + An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, + Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, + An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, + Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, + Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, + Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, + Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, + An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, + Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, + Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, + Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, + Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, + Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, + Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, + Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, + Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, + Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, + Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, + A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, + Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, + Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, + Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, + Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, + Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, + An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, + _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, + Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, + Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, + Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, + Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, + A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, + A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, + A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, + An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, + An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, + An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, + An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, + A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, + The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, + The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, + Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, + Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, + Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, + Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, + abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, + _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, + Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, + Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, + An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, + A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, + A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, + A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, + with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, + await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, + Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, + can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, + The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, + Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, + Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, + Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, + Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, + Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, + Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, + File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, + Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, + Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, + An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, + Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, + A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, + An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, + Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, + Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, + Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, + Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, + Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, + Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, + Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, + Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, + Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, + Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, + Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, + Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, + Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, + Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, + Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, + Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, + Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, + Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, + this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, + this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, + this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, + this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, + super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, + super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, + Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, + super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, + Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, + Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, + Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, + An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, + Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, + Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, + Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, + Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, + Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, + Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, + Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, + Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, + Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, + Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, + No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, + A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, + An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, + The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, + The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, + The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, + The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, + The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, + The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, + Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, + Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, + A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, + A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, + A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, + Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, + Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, + Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, + Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, + A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, + Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, + A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, + Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, + get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, + A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, + Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, + Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, + Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, + Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, + Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, + Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, + Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, + Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, + Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, + Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, + Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, + Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, + Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, + Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, + Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, + Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, + Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, + Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, + Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, + Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, + Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, + The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, + The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, + Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, + The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, + Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, + Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, + All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, + Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, + Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, + Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, + Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, + Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, + Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, + Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, + Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, + A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, + Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, + Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, + Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, + All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, + Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, + Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, + In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, + A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, + A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, + Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, + Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, + Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, + Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, + Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, + Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, + Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, + Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, + Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, + Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, + Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, + The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, + Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, + The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, + Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, + Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, + An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, + The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, + Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, + Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, + Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, + An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, + Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, + Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, + Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, + A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, + A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, + A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, + this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, + super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, + A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, + Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, + The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, + Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, + A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, + Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, + Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, + In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, + const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, + A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, + const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, + const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, + Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, + let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, + Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, + The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, + Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, + The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, + Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, + Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, + An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, + The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, + Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, + Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, + Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, + Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, + The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, + Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, + Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, + An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, + A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, + A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, + _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, + Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, + No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, + A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, + _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, + Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, + No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, + Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, + Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, + Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, + Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, + Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, + Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, + Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, + All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, + Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, + A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, + Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, + Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, + The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, + yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, + await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, + Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, + A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, + The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, + A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, + JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, + The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, + JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, + Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, + JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, + JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, + Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, + JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, + The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, + Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, + A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, + Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, + Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, + Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, + Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, + JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, + Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, + super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, + super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, + Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, + Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, + Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, + Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, + Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, + Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, + Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, + export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, + Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, + Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, + Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, + Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, + Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, + Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, + Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, + Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, + Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, + Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, + Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, + Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, + Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, + Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, + Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, + The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, + Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, + Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, + Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, + Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, + Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, + Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, + Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, + Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, + Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, + Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, + Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, + Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, + A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, + Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, + Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, + Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, + The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, + Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, + Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, + Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, + Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, + Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, + Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, + Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, + Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, + Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, + Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, + Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, + Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, + Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, + Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, + Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, + Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, + Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, + Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, + options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, + file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, + Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, + Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, + Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, + Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, + File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, + KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, + FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, + VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, + LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, + DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, + Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, + Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, + Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, + Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, + Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, + Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, + Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, + Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, + Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, + Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, + Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, + File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, + File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, + Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, + Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, + Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, + File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, + Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, + NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, + Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, + Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, + Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, + Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, + Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, + Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, + Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, + Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, + Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, + Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, + Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, + Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, + Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, + Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, + Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, + Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, + Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, + Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, + Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, + Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, + Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, + Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, + Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, + Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, + new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, + _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, + Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, + Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, + Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, + Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, + Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, + Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, + Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, + _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, + JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, + Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, + Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, + Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, + Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, + You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, + You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, + import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, + export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, + type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, + implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, + interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, + module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, + type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, + _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, + types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, + type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, + parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, + property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, + enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, + type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, + Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, + class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, + JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, + JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, + Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, + JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, + Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, + A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, + An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, + super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } + }; +})(ts || (ts = {})); +var ts; +(function (ts) { + function tokenIsIdentifierOrKeyword(token) { + return token >= 69; + } + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = { + "abstract": 115, + "any": 117, + "as": 116, + "boolean": 120, + "break": 70, + "case": 71, + "catch": 72, + "class": 73, + "continue": 75, + "const": 74, + "constructor": 121, + "debugger": 76, + "declare": 122, + "default": 77, + "delete": 78, + "do": 79, + "else": 80, + "enum": 81, + "export": 82, + "extends": 83, + "false": 84, + "finally": 85, + "for": 86, + "from": 133, + "function": 87, + "get": 123, + "if": 88, + "implements": 106, + "import": 89, + "in": 90, + "instanceof": 91, + "interface": 107, + "is": 124, + "let": 108, + "module": 125, + "namespace": 126, + "new": 92, + "null": 93, + "number": 128, + "package": 109, + "private": 110, + "protected": 111, + "public": 112, + "require": 127, + "global": 134, + "return": 94, + "set": 129, + "static": 113, + "string": 130, + "super": 95, + "switch": 96, + "symbol": 131, + "this": 97, + "throw": 98, + "true": 99, + "try": 100, + "type": 132, + "typeof": 101, + "var": 102, + "void": 103, + "while": 104, + "with": 105, + "yield": 114, + "async": 118, + "await": 119, + "of": 135, + "{": 15, + "}": 16, + "(": 17, + ")": 18, + "[": 19, + "]": 20, + ".": 21, + "...": 22, + ";": 23, + ",": 24, + "<": 25, 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1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3805, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3946, 3953, 3972, 3974, 3979, 3984, 3991, 3993, 4028, 4038, 4038, 4096, 4129, 4131, 4135, 4137, 4138, 4140, 4146, 4150, 4153, 4160, 4169, 4176, 4185, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 4969, 4977, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6099, 6112, 6121, 6160, 6169, 6176, 6263, 6272, 6313, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8255, 8256, 8319, 8319, 8400, 8412, 8417, 8417, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12346, 12353, 12436, 12441, 12442, 12445, 12446, 12449, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65056, 65059, 65075, 65076, 65101, 65103, 65136, 65138, 65140, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 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2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 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3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 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8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + if (code < map[0]) { + return false; + } + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; + } + function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); + } + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); + } + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + if (source.hasOwnProperty(name_4)) { + result[source[name_4]] = name_4; + } + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13: + if (text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; + } + break; + } + } + result.push(lineStart); + return result; + } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); + } + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + } + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + return ch === 32 || + ch === 9 || + ch === 11 || + ch === 12 || + ch === 160 || + ch === 133 || + ch === 5760 || + ch >= 8192 && ch <= 8203 || + ch === 8239 || + ch === 8287 || + ch === 12288 || + ch === 65279; + } + ts.isWhiteSpace = isWhiteSpace; + function isLineBreak(ch) { + return ch === 10 || + ch === 13 || + ch === 8232 || + ch === 8233; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isOctalDigit(ch) { + return ch >= 48 && ch <= 55; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + case 10: + case 9: + case 11: + case 12: + case 32: + case 47: + case 60: + case 61: + case 62: + return true; + case 35: + return pos === 0; + default: + return ch > 127; + } + } + ts.couldStartTrivia = couldStartTrivia; + function skipTrivia(text, pos, stopAfterLineBreak) { + if (!(pos >= 0)) { + return pos; + } + while (true) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60: + case 61: + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { + pos++; + continue; + } + break; + } + return pos; + } + } + ts.skipTrivia = skipTrivia; + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; + } + } + return ch === 61 || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32; + } + } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 || ch === 62) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; + } + } + else { + ts.Debug.assert(ch === 61); + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; + } + } + return pos; + } + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + function getCommentRanges(text, pos, trailing) { + var result; + var collecting = trailing || pos === 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (trailing) { + return result; + } + collecting = true; + if (result && result.length) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 || nextChar === 42) { + var kind = nextChar === 47 ? 2 : 3; + var startPos = pos; + pos += 2; + if (nextChar === 47) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (!result) { + result = []; + } + result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + } + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { + if (result && result.length && isLineBreak(ch)) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + pos++; + continue; + } + break; + } + return result; + } + return result; + } + function getLeadingCommentRanges(text, pos) { + return getCommentRanges(text, pos, false); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return getCommentRanges(text, pos, true); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + function isIdentifier(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; + } + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; + } + } + return true; + } + ts.isIdentifier = isIdentifier; + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0; } + var pos; + var end; + var startPos; + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 69 || token > 105; }, + isReservedWord: function () { return token >= 70 && token <= 105; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } + } + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + } + var end = pos; + if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { + pos++; + if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } + } + return "" + +(text.substring(start, end)); + } + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); + } + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(count, false); + } + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(count, true); + } + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 && ch <= 57) { + value = value * 16 + ch - 48; + } + else if (ch >= 65 && ch <= 70) { + value = value * 16 + ch - 65 + 10; + } + else if (ch >= 97 && ch <= 102) { + value = value * 16 + ch - 97 + 10; + } + else { + break; + } + pos++; + digits++; + } + if (digits < minCount) { + value = -1; + } + return value; + } + function scanString() { + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; + } + return result; + } + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 11 : 14; + break; + } + var currChar = text.charCodeAt(pos); + if (currChar === 96) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 11 : 14; + break; + } + if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 12 : 13; + break; + } + if (currChar === 92) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + if (currChar === 13) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + contents += "\n"; + start = pos; + continue; + } + pos++; + } + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; + } + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; + } + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48: + return "\0"; + case 98: + return "\b"; + case 116: + return "\t"; + case 110: + return "\n"; + case 118: + return "\v"; + case 102: + return "\f"; + case 114: + return "\r"; + case 39: + return "\'"; + case 34: + return "\""; + case 117: + if (pos < end && text.charCodeAt(pos) === 123) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + return scanHexadecimalEscape(4); + case 120: + return scanHexadecimalEscape(2); + case 13: + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + case 8232: + case 8233: + return ""; + default: + return String.fromCharCode(ch); + } + } + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); + } + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; + } + } + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; + } + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; + } + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; + } + else if (text.charCodeAt(pos) === 125) { + pos++; + } + else { + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; + } + if (isInvalidExtendedEscape) { + return ""; + } + return utf16EncodeAsString(escapedValue); + } + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); + } + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; + } + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; + } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + pos += 6; + start = pos; + } + else { + break; + } + } + result += text.substring(start, pos); + return result; + } + function getIdentifierToken() { + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; + } + } + return token = 69; + } + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); + var value = 0; + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; + } + if (numberOfDigits === 0) { + return -1; + } + return value; + } + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var ch = text.charCodeAt(pos); + if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6; + } + } + switch (ch) { + case 10: + case 13: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { + pos += 2; + } + else { + pos++; + } + return token = 4; + } + case 9: + case 11: + case 12: + case 32: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + } + case 33: + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 33; + } + return pos += 2, token = 31; + } + pos++; + return token = 49; + case 34: + case 39: + tokenValue = scanString(); + return token = 9; + case 96: + return token = scanTemplateAndSetTokenValue(); + case 37: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 62; + } + pos++; + return token = 40; + case 38: + if (text.charCodeAt(pos + 1) === 38) { + return pos += 2, token = 51; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 66; + } + pos++; + return token = 46; + case 40: + pos++; + return token = 17; + case 41: + pos++; + return token = 18; + case 42: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 59; + } + if (text.charCodeAt(pos + 1) === 42) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 60; + } + return pos += 2, token = 38; + } + pos++; + return token = 37; + case 43: + if (text.charCodeAt(pos + 1) === 43) { + return pos += 2, token = 41; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 57; + } + pos++; + return token = 35; + case 44: + pos++; + return token = 24; + case 45: + if (text.charCodeAt(pos + 1) === 45) { + return pos += 2, token = 42; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 58; + } + pos++; + return token = 36; + case 46: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8; + } + if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { + return pos += 3, token = 22; + } + pos++; + return token = 21; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2; + } + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3; + } + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 61; + } + pos++; + return token = 39; + case 48: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { + pos += 2; + var value = scanBinaryOrOctalDigits(2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { + pos += 2; + var value = scanBinaryOrOctalDigits(8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8; + } + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + tokenValue = scanNumber(); + return token = 8; + case 58: + pos++; + return token = 54; + case 59: + pos++; + return token = 23; + case 60: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 60) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 63; + } + return pos += 2, token = 43; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 28; + } + if (languageVariant === 1 && + text.charCodeAt(pos + 1) === 47 && + text.charCodeAt(pos + 2) !== 42) { + return pos += 2, token = 26; + } + pos++; + return token = 25; + case 61: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 32; + } + return pos += 2, token = 30; + } + if (text.charCodeAt(pos + 1) === 62) { + return pos += 2, token = 34; + } + pos++; + return token = 56; + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + pos++; + return token = 27; + case 63: + pos++; + return token = 53; + case 91: + pos++; + return token = 19; + case 93: + pos++; + return token = 20; + case 94: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 68; + } + pos++; + return token = 48; + case 123: + pos++; + return token = 15; + case 124: + if (text.charCodeAt(pos + 1) === 124) { + return pos += 2, token = 52; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 67; + } + pos++; + return token = 47; + case 125: + pos++; + return token = 16; + case 126: + pos++; + return token = 50; + case 64: + pos++; + return token = 55; + case 92: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpace(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + } + } + } + function reScanGreaterToken() { + if (token === 27) { + if (text.charCodeAt(pos) === 62) { + if (text.charCodeAt(pos + 1) === 62) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 65; + } + return pos += 2, token = 45; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 64; + } + pos++; + return token = 44; + } + if (text.charCodeAt(pos) === 61) { + pos++; + return token = 29; + } + } + return token; + } + function reScanSlashToken() { + if (token === 39 || token === 61) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + inEscape = false; + } + else if (ch === 47 && !inCharacterClass) { + p++; + break; + } + else if (ch === 91) { + inCharacterClass = true; + } + else if (ch === 92) { + inEscape = true; + } + else if (ch === 93) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 10; + } + return token; + } + function reScanTemplateToken() { + ts.Debug.assert(token === 16, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); + } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); + } + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var char = text.charCodeAt(pos); + if (char === 60) { + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + return token = 26; + } + pos++; + return token = 25; + } + if (char === 123) { + pos++; + return token = 15; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123) || (char === 60)) { + break; + } + } + return token = 239; + } + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; + } + function scanJSDocToken() { + if (pos >= end) { + return token = 1; + } + startPos = pos; + var ch = text.charCodeAt(pos); + while (pos < end) { + ch = text.charCodeAt(pos); + if (isWhiteSpace(ch)) { + pos++; + } + else { + break; + } + } + tokenPos = pos; + switch (ch) { + case 64: + return pos += 1, token = 55; + case 10: + case 13: + return pos += 1, token = 4; + case 42: + return pos += 1, token = 37; + case 123: + return pos += 1, token = 15; + case 125: + return pos += 1, token = 16; + case 91: + return pos += 1, token = 19; + case 93: + return pos += 1, token = 20; + case 61: + return pos += 1, token = 56; + case 44: + return pos += 1, token = 24; + } + if (isIdentifierStart(ch, 2)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 2) && pos < end) { + pos++; + } + return token = 69; + } + else { + return pos += 1, token = 0; + } + } + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; + } + return result; + } + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryScan(callback) { + return speculationHelper(callback, false); + } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); + } + function setOnError(errorCallback) { + onError = errorCallback; + } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; + } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; + } + } + ts.createScanner = createScanner; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; + } + } + } + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + writeLine: function () { return str_1 += " "; }, + increaseIndent: function () { }, + decreaseIndent: function () { }, + clear: function () { return str_1 = ""; }, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + } + return stringWriters.pop(); + } + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); + } + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; + } + ts.getFullWidth = getFullWidth; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function hasResolvedModule(sourceFile, moduleNameText) { + return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); + } + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; + } + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = {}; + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; + } + ts.setResolvedModule = setResolvedModule; + function containsParseError(node) { + aggregateChildData(node); + return (node.parserContextFlags & 64) !== 0; + } + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.parserContextFlags & 128)) { + var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16) !== 0) || + ts.forEachChild(node, containsParseError); + if (thisNodeOrAnySubNodesHasError) { + node.parserContextFlags |= 64; + } + node.parserContextFlags |= 128; + } + } + function getSourceFileOfNode(node) { + while (node && node.kind !== 251) { + node = node.parent; + } + return node; + } + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 195: + case 223: + case 202: + case 203: + case 204: + return true; + } + return false; + } + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; + } + ts.getStartPositionOfLine = getStartPositionOfLine; + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; + } + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; + } + ts.getStartPosOfNode = getStartPosOfNode; + function nodeIsMissing(node) { + if (!node) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1; + } + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); + } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node)) { + return node.pos; + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); + } + ts.getTokenPosOfNode = getTokenPosOfNode; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); + } + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); + } + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); + } + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); + } + ts.getTextOfNode = getTextOfNode; + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; + } + ts.escapeIdentifier = escapeIdentifier; + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; + } + ts.unescapeIdentifier = unescapeIdentifier; + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); + } + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (getCombinedNodeFlags(declaration) & 24576) !== 0 || + isCatchClauseVariableDeclaration(declaration); + } + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isAmbientModule(node) { + return node && node.kind === 221 && + (node.name.kind === 9 || isGlobalScopeAugmentation(node)); + } + ts.isAmbientModule = isAmbientModule; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 251 || + node.kind === 221 || + isFunctionLike(node) || + isFunctionBlock(node); + } + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 2097152); + } + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 251: + return isExternalModule(node.parent); + case 222: + return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); + } + return false; + } + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isFunctionLike(current)) { + return current; + } + switch (current.kind) { + case 251: + case 223: + case 247: + case 221: + case 202: + case 203: + case 204: + return current; + case 195: + if (!isFunctionLike(current.parent)) { + return current; + } + } + current = current.parent; + } + } + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function isCatchClauseVariableDeclaration(declaration) { + return declaration && + declaration.kind === 214 && + declaration.parent && + declaration.parent.kind === 247; + } + ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); + } + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); + } + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; + } + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); + } + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 251: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); + if (pos_1 === sourceFile.text.length) { + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + case 214: + case 166: + case 217: + case 189: + case 218: + case 221: + case 220: + case 250: + case 216: + case 176: + case 144: + case 219: + errorNode = node.name; + break; + } + if (errorNode === undefined) { + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); + } + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; + } + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return (file.flags & 4096) !== 0; + } + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 220 && isConst(node); + } + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 166 || isBindingPattern(node))) { + node = node.parent; + } + return node; + } + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 214) { + node = node.parent; + } + if (node && node.kind === 215) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 196) { + flags |= node.flags; + } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; + function isConst(node) { + return !!(getCombinedNodeFlags(node) & 16384); + } + ts.isConst = isConst; + function isLet(node) { + return !!(getCombinedNodeFlags(node) & 8192); + } + ts.isLet = isLet; + function isSuperCallExpression(n) { + return n.kind === 171 && n.expression.kind === 95; + } + ts.isSuperCallExpression = isSuperCallExpression; + function isPrologueDirective(node) { + return node.kind === 198 && node.expression.kind === 9; + } + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); + } + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); + } + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); + } + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 139 || node.kind === 138) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 42 && + text.charCodeAt(comment.pos + 3) !== 47; + } + } + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isTypeNode(node) { + if (151 <= node.kind && node.kind <= 163) { + return true; + } + switch (node.kind) { + case 117: + case 128: + case 130: + case 120: + case 131: + return true; + case 103: + return node.parent.kind !== 180; + case 191: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + case 69: + if (node.parent.kind === 136 && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 169 && node.parent.name === node) { + node = node.parent; + } + ts.Debug.assert(node.kind === 69 || node.kind === 136 || node.kind === 169, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); + case 136: + case 169: + case 97: + var parent_1 = node.parent; + if (parent_1.kind === 155) { + return false; + } + if (151 <= parent_1.kind && parent_1.kind <= 163) { + return true; + } + switch (parent_1.kind) { + case 191: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); + case 138: + return node === parent_1.constraint; + case 142: + case 141: + case 139: + case 214: + return node === parent_1.type; + case 216: + case 176: + case 177: + case 145: + case 144: + case 143: + case 146: + case 147: + return node === parent_1.type; + case 148: + case 149: + case 150: + return node === parent_1.type; + case 174: + return node === parent_1.type; + case 171: + case 172: + return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; + case 173: + return false; + } + } + return false; + } + ts.isTypeNode = isTypeNode; + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 207: + return visitor(node); + case 223: + case 195: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 208: + case 209: + case 244: + case 245: + case 210: + case 212: + case 247: + return ts.forEachChild(node, traverse); + } + } + } + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 187: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 220: + case 218: + case 221: + case 219: + case 217: + case 189: + return; + default: + if (isFunctionLike(node)) { + var name_5 = node.name; + if (name_5 && name_5.kind === 137) { + traverse(name_5.expression); + return; + } + } + else if (!isTypeNode(node)) { + ts.forEachChild(node, traverse); + } + } + } + } + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 166: + case 250: + case 139: + case 248: + case 142: + case 141: + case 249: + case 214: + return true; + } + } + return false; + } + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 146 || node.kind === 147); + } + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 217 || node.kind === 189); + } + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); + } + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 145: + case 176: + case 216: + case 177: + case 144: + case 143: + case 146: + case 147: + case 148: + case 149: + case 150: + case 153: + case 154: + return true; + } + } + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 176: + return true; + } + return false; + } + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 202: + case 203: + case 204: + case 200: + case 201: + return true; + case 210: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; + } + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 195 && isFunctionLike(node.parent); + } + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 144 && node.parent.kind === 168; + } + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1; + } + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0; + } + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } + } + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } + } + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 137: + if (isClassLike(node.parent.parent)) { + return node; + } + node = node.parent; + break; + case 140: + if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + case 177: + if (!includeArrowFunctions) { + continue; + } + case 216: + case 176: + case 221: + case 142: + case 141: + case 144: + case 143: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 220: + case 251: + return node; + } + } + } + ts.getThisContainer = getThisContainer; + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 137: + node = node.parent; + break; + case 216: + case 176: + case 177: + if (!stopOnFunctions) { + continue; + } + case 142: + case 141: + case 144: + case 143: + case 145: + case 146: + case 147: + return node; + case 140: + if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + } + } + } + ts.getSuperContainer = getSuperContainer; + function isSuperPropertyOrElementAccess(node) { + return (node.kind === 169 + || node.kind === 170) + && node.expression.kind === 95; + } + ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 152: + return node.typeName; + case 191: + return node.expression; + case 69: + case 136: + return node; + } + } + return undefined; + } + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function getInvokedExpression(node) { + if (node.kind === 173) { + return node.tag; + } + return node.expression; + } + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 217: + return true; + case 142: + return node.parent.kind === 217; + case 146: + case 147: + case 144: + return node.body !== undefined + && node.parent.kind === 217; + case 139: + return node.parent.body !== undefined + && (node.parent.kind === 145 + || node.parent.kind === 144 + || node.parent.kind === 147) + && node.parent.parent.kind === 217; + } + return false; + } + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); + } + ts.nodeIsDecorated = nodeIsDecorated; + function isPropertyAccessExpression(node) { + return node.kind === 169; + } + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 170; + } + ts.isElementAccessExpression = isElementAccessExpression; + function isExpression(node) { + switch (node.kind) { + case 95: + case 93: + case 99: + case 84: + case 10: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 192: + case 174: + case 175: + case 176: + case 189: + case 177: + case 180: + case 178: + case 179: + case 182: + case 183: + case 184: + case 185: + case 188: + case 186: + case 11: + case 190: + case 236: + case 237: + case 187: + case 181: + return true; + case 136: + while (node.parent.kind === 136) { + node = node.parent; + } + return node.parent.kind === 155; + case 69: + if (node.parent.kind === 155) { + return true; + } + case 8: + case 9: + case 97: + var parent_2 = node.parent; + switch (parent_2.kind) { + case 214: + case 139: + case 142: + case 141: + case 250: + case 248: + case 166: + return parent_2.initializer === node; + case 198: + case 199: + case 200: + case 201: + case 207: + case 208: + case 209: + case 244: + case 211: + case 209: + return parent_2.expression === node; + case 202: + var forStatement = parent_2; + return (forStatement.initializer === node && forStatement.initializer.kind !== 215) || + forStatement.condition === node || + forStatement.incrementor === node; + case 203: + case 204: + var forInStatement = parent_2; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215) || + forInStatement.expression === node; + case 174: + case 192: + return node === parent_2.expression; + case 193: + return node === parent_2.expression; + case 137: + return node === parent_2.expression; + case 140: + case 243: + case 242: + return true; + case 191: + return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + default: + if (isExpression(parent_2)) { + return true; + } + } + } + return false; + } + ts.isExpression = isExpression; + function isExternalModuleNameRelative(moduleName) { + return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; + } + ts.isExternalModuleNameRelative = isExternalModuleNameRelative; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 || + (preserveConstEnums && moduleState === 2); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 && node.moduleReference.kind === 235; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 && node.moduleReference.kind !== 235; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.parserContextFlags & 32); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + function isRequireCall(expression, checkArgumentIsStringLiteral) { + var isRequire = expression.kind === 171 && + expression.expression.kind === 69 && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); + } + ts.isRequireCall = isRequireCall; + function getSpecialPropertyAssignmentKind(expression) { + if (expression.kind !== 184) { + return 0; + } + var expr = expression; + if (expr.operatorToken.kind !== 56 || expr.left.kind !== 169) { + return 0; + } + var lhs = expr.left; + if (lhs.expression.kind === 69) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + return 1; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + return 2; + } + } + else if (lhs.expression.kind === 97) { + return 4; + } + else if (lhs.expression.kind === 169) { + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 69 && innerPropertyAccess.name.text === "prototype") { + return 3; + } + } + return 0; + } + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 225) { + return node.moduleSpecifier; + } + if (node.kind === 224) { + var reference = node.moduleReference; + if (reference.kind === 235) { + return reference.expression; + } + } + if (node.kind === 231) { + return node.moduleSpecifier; + } + if (node.kind === 221 && node.name.kind === 9) { + return node.name; + } + } + ts.getExternalModuleName = getExternalModuleName; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 139: + case 144: + case 143: + case 249: + case 248: + case 142: + case 141: + return node.questionToken !== undefined; + } + } + return false; + } + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 264 && + node.parameters.length > 0 && + node.parameters[0].type.kind === 266; + } + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocComment = getJSDocComment(node, checkParentVariableStatement); + if (!jsDocComment) { + return undefined; + } + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === kind) { + return tag; + } + } + } + function getJSDocComment(node, checkParentVariableStatement) { + if (node.jsDocComment) { + return node.jsDocComment; + } + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 && + node.parent.initializer === node && + node.parent.parent.parent.kind === 196; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; + if (variableStatementNode) { + return variableStatementNode.jsDocComment; + } + var parent_3 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && + parent_3.kind === 184 && + parent_3.operatorToken.kind === 56 && + parent_3.parent.kind === 198; + if (isSourceOfAssignmentExpressionStatement) { + return parent_3.parent.jsDocComment; + } + var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248; + if (isPropertyAssignmentExpression) { + return parent_3.jsDocComment; + } + } + return undefined; + } + function getJSDocTypeTag(node) { + return getJSDocTag(node, 272, false); + } + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 271, true); + } + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 273, false); + } + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 69) { + var parameterName = parameter.name.text; + var jsDocComment = getJSDocComment(parameter.parent, true); + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === 270) { + var parameterTag = tag; + var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; + if (name_6.text === parameterName) { + return parameterTag; + } + } + } + } + } + return undefined; + } + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); + } + ts.hasRestParameter = hasRestParameter; + function isRestParameter(node) { + if (node) { + if (node.parserContextFlags & 32) { + if (node.type && node.type.kind === 265) { + return true; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 265; + } + } + return node.dotDotDotToken !== undefined; + } + return false; + } + ts.isRestParameter = isRestParameter; + function isLiteralKind(kind) { + return 8 <= kind && kind <= 11; + } + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 || kind === 11; + } + ts.isTextualLiteralKind = isTextualLiteralKind; + function isTemplateLiteralKind(kind) { + return 11 <= kind && kind <= 14; + } + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isBindingPattern(node) { + return !!node && (node.kind === 165 || node.kind === 164); + } + ts.isBindingPattern = isBindingPattern; + function isNodeDescendentOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendentOf = isNodeDescendentOf; + function isInAmbientContext(node) { + while (node) { + if (node.flags & (4 | 4096)) { + return true; + } + node = node.parent; + } + return false; + } + ts.isInAmbientContext = isInAmbientContext; + function isDeclaration(node) { + switch (node.kind) { + case 177: + case 166: + case 217: + case 189: + case 145: + case 220: + case 250: + case 233: + case 216: + case 176: + case 146: + case 226: + case 224: + case 229: + case 218: + case 144: + case 143: + case 221: + case 227: + case 139: + case 248: + case 142: + case 141: + case 147: + case 249: + case 219: + case 138: + case 214: + return true; + } + return false; + } + ts.isDeclaration = isDeclaration; + function isStatement(n) { + switch (n.kind) { + case 206: + case 205: + case 213: + case 200: + case 198: + case 197: + case 203: + case 204: + case 202: + case 199: + case 210: + case 207: + case 209: + case 211: + case 212: + case 196: + case 201: + case 208: + case 230: + return true; + default: + return false; + } + } + ts.isStatement = isStatement; + function isClassElement(n) { + switch (n.kind) { + case 145: + case 142: + case 144: + case 146: + case 147: + case 143: + case 150: + return true; + default: + return false; + } + } + ts.isClassElement = isClassElement; + function isDeclarationName(name) { + if (name.kind !== 69 && name.kind !== 9 && name.kind !== 8) { + return false; + } + var parent = name.parent; + if (parent.kind === 229 || parent.kind === 233) { + if (parent.propertyName) { + return true; + } + } + if (isDeclaration(parent)) { + return parent.name === name; + } + return false; + } + ts.isDeclarationName = isDeclarationName; + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 142: + case 141: + case 144: + case 143: + case 146: + case 147: + case 250: + case 248: + case 169: + return parent.name === node; + case 136: + if (parent.right === node) { + while (parent.kind === 136) { + parent = parent.parent; + } + return parent.kind === 155; + } + return false; + case 166: + case 229: + return parent.propertyName === node; + case 233: + return true; + } + return false; + } + ts.isIdentifierName = isIdentifierName; + function isAliasSymbolDeclaration(node) { + return node.kind === 224 || + node.kind === 226 && !!node.name || + node.kind === 227 || + node.kind === 229 || + node.kind === 233 || + node.kind === 230 && node.expression.kind === 69; + } + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; + } + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 106); + return heritageClause ? heritageClause.types : undefined; + } + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83); + return heritageClause ? heritageClause.types : undefined; + } + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } + } + } + return undefined; + } + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; + } + node = node.parent; + } + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; + } + else { + var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + if (matchResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: matchResult[3] + }, + isNoDefaultLib: false + }; + } + else { + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; + } + } + } + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 70 <= token && token <= 135; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 <= token && token <= 7; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && (node.flags & 256) !== 0 && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 || kind === 8; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 137 && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 69 || name.kind === 9 || name.kind === 8) { + return name.text; + } + if (name.kind === 137) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); + } + } + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + function isESSymbolIdentifier(node) { + return node.kind === 69 && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isModifierKind(token) { + switch (token) { + case 115: + case 118: + case 74: + case 122: + case 77: + case 82: + case 112: + case 110: + case 111: + case 113: + return true; + } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 139; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 166) { + node = node.parent.parent; + } + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(n) { + return isFunctionLike(n) || n.kind === 221 || n.kind === 251; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + function cloneNode(node, location, flags, parent) { + var clone = location !== undefined + ? ts.createNode(node.kind, location.pos, location.end) + : createSynthesizedNode(node.kind); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; + } + clone[key] = node[key]; + } + if (flags !== undefined) { + clone.flags = flags; + } + if (parent !== undefined) { + clone.parent = parent; + } + return clone; + } + ts.cloneNode = cloneNode; + function cloneEntityName(node, parent) { + var clone = cloneNode(node, node, node.flags, parent); + if (isQualifiedName(clone)) { + var left = clone.left, right = clone.right; + clone.left = cloneEntityName(left, clone); + clone.right = cloneNode(right, right, right.flags, parent); + } + return clone; + } + ts.cloneEntityName = cloneEntityName; + function isQualifiedName(node) { + return node.kind === 136; + } + ts.isQualifiedName = isQualifiedName; + function nodeIsSynthesized(node) { + return node.pos === -1; + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = ts.createNode(kind, -1, -1); + node.startsOnNewLine = startsOnNewLine; + return node; + } + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray() { + var array = []; + array.pos = -1; + array.end = -1; + return array; + } + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = {}; + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; + } + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; + } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; + } + } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; + } + } + else { + diagnostics = nonFileDiagnostics; + } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; + } + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; + } + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); + } + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); + } + } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + } + } + } + } + ts.createDiagnosticCollection = createDiagnosticCollection; + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = { + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" + }; + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); + } + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + } + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } + } + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; + } + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } + } + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } + } + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } + } + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); + } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + reset: reset + }; + } + ts.createTextWriter = createTextWriter; + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); + } + else { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); + } + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getEmitScriptTarget(compilerOptions) { + return compilerOptions.target || 0; + } + ts.getEmitScriptTarget = getEmitScriptTarget; + function getEmitModuleKind(compilerOptions) { + return typeof compilerOptions.module === "number" ? + compilerOptions.module : + getEmitScriptTarget(compilerOptions) === 2 ? 5 : 1; + } + ts.getEmitModuleKind = getEmitModuleKind; + function forEachExpectedEmitFile(host, action, targetSourceFile) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(host); + } + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + if (!isDeclarationFile(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } + } + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined + }; + action(emitFileNames, [sourceFile], false); + } + function onBundledEmit(host) { + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + (!isExternalModule(sourceFile) || + (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) + }; + action(emitFileNames, bundledSources, true); + } + } + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; + } + function getDeclarationEmitFilePath(jsFilePath, options) { + return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + } + } + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); + return ts.combinePaths(newDirPath, sourceFilePath); + } + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }); + } + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + } + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + } + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 145 && nodeIsPresent(member.body)) { + return member; + } + }); + } + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; + } + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 146) { + getAccessor = accessor; + } + else if (accessor.kind === 147) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } + } + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 146 || member.kind === 147) + && (member.flags & 64) === (accessor.flags & 64)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 146 && !getAccessor) { + getAccessor = member; + } + if (member.kind === 147 && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; + } + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); + } + } + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { + var emitLeadingSpace = !trailingSeparator; + ts.forEach(comments, function (comment) { + if (emitLeadingSpace) { + writer.write(" "); + emitLeadingSpace = false; + } + writeComment(text, lineMap, writer, comment, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else if (trailingSeparator) { + writer.write(" "); + } + else { + emitLeadingSpace = true; + } + }); + } + ts.emitComments = emitComments; + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } + } + else { + leadingComments = ts.getLeadingCommentRanges(text, node.pos); + } + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } + } + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 33; + } + } + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, comment, newLine) { + if (text.charCodeAt(comment.pos + 1) === 42) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== comment.pos) { + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); + } + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + writer.rawWrite(indentSizeSpaceString); + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + writer.rawWrite(""); + } + } + writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } + } + else { + writer.write(text.substring(comment.pos, comment.end)); + } + } + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { + var end = Math.min(comment.end, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + writer.write(currentLineText); + if (end !== comment.end) { + writer.writeLine(); + } + } + else { + writer.writeLiteral(newLine); + } + } + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9) { + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + currentLineIndent++; + } + } + return currentLineIndent; + } + function modifierToFlag(token) { + switch (token) { + case 113: return 64; + case 112: return 8; + case 111: return 32; + case 110: return 16; + case 115: return 128; + case 82: return 2; + case 122: return 4; + case 74: return 16384; + case 77: return 512; + case 118: return 256; + } + return 0; + } + ts.modifierToFlag = modifierToFlag; + function isLeftHandSideExpression(expr) { + if (expr) { + switch (expr.kind) { + case 169: + case 170: + case 172: + case 171: + case 236: + case 237: + case 173: + case 167: + case 175: + case 168: + case 189: + case 176: + case 69: + case 10: + case 8: + case 9: + case 11: + case 186: + case 84: + case 93: + case 97: + case 99: + case 95: + return true; + } + } + return false; + } + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isAssignmentOperator(token) { + return token >= 56 && token <= 68; + } + ts.isAssignmentOperator = isAssignmentOperator; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return node.kind === 191 && + node.parent.token === 83 && + isClassLike(node.parent.parent); + } + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 69) { + return true; + } + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; + } + } + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 136 && node.parent.right === node) || + (node.parent.kind === 169 && node.parent.name === node); + } + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 168) { + return expression.properties.length === 0; + } + if (kind === 167) { + return expression.elements.length === 0; + } + return false; + } + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512) ? symbol.valueDeclaration.localSymbol : undefined; + } + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function hasJavaScriptFileExtension(fileName) { + return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } + } + return output; + } + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + function stringifyFallback(value) { + return value === undefined ? undefined : stringifyValue(value); + } + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; + } + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; + } + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + } + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); + } + function stringifyObject(value) { + return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; + } + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + } + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; + } + return result; + } + ts.convertToBase64 = convertToBase64; + function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { + return !ts.isRootedDiskPath(absoluteOrRelativePath) + ? absoluteOrRelativePath + : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, false); + } + ts.convertToRelativePath = convertToRelativePath; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0) { + return carriageReturnLineFeed; + } + else if (options.newLine === 1) { + return lineFeed; + } + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; + } + ts.getNewLineCharacter = getNewLineCharacter; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDefaultLibFileName(options) { + return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts"; + } + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; + } + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; + } + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); + } + ts.textSpanContainsPosition = textSpanContainsPosition; + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); + } + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; + } + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; + } + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + } + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; + } + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; + } + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; + } + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); + } + return undefined; + } + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); + } + if (length < 0) { + throw new Error("length < 0"); + } + return { start: start, length: length }; + } + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); + } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); + } + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); + } + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; + } + if (changes.length === 1) { + return changes[0]; + } + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); + } + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 138) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218) { + return current; + } + } + } + } + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return node.flags & 56 && node.parent.kind === 145 && ts.isClassLike(node.parent.parent); + } + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.parseTime = 0; + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 251) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); + } + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + } + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); + } + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); + } + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } + } + } + } + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; + } + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 136: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 138: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 249: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 139: + case 142: + case 141: + case 248: + case 214: + case 166: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 153: + case 154: + case 148: + case 149: + case 150: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 144: + case 143: + case 145: + case 146: + case 147: + case 176: + case 216: + case 177: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 152: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 151: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 155: + return visitNode(cbNode, node.exprName); + case 156: + return visitNodes(cbNodes, node.members); + case 157: + return visitNode(cbNode, node.elementType); + case 158: + return visitNodes(cbNodes, node.elementTypes); + case 159: + case 160: + return visitNodes(cbNodes, node.types); + case 161: + return visitNode(cbNode, node.type); + case 164: + case 165: + return visitNodes(cbNodes, node.elements); + case 167: + return visitNodes(cbNodes, node.elements); + case 168: + return visitNodes(cbNodes, node.properties); + case 169: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.dotToken) || + visitNode(cbNode, node.name); + case 170: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 171: + case 172: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 173: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 174: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 175: + return visitNode(cbNode, node.expression); + case 178: + return visitNode(cbNode, node.expression); + case 179: + return visitNode(cbNode, node.expression); + case 180: + return visitNode(cbNode, node.expression); + case 182: + return visitNode(cbNode, node.operand); + case 187: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 181: + return visitNode(cbNode, node.expression); + case 183: + return visitNode(cbNode, node.operand); + case 184: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 192: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 185: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 188: + return visitNode(cbNode, node.expression); + case 195: + case 222: + return visitNodes(cbNodes, node.statements); + case 251: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 196: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 215: + return visitNodes(cbNodes, node.declarations); + case 198: + return visitNode(cbNode, node.expression); + case 199: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 200: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 201: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 202: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 203: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 204: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 205: + case 206: + return visitNode(cbNode, node.label); + case 207: + return visitNode(cbNode, node.expression); + case 208: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 223: + return visitNodes(cbNodes, node.clauses); + case 244: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 245: + return visitNodes(cbNodes, node.statements); + case 210: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 211: + return visitNode(cbNode, node.expression); + case 212: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 247: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 140: + return visitNode(cbNode, node.expression); + case 217: + case 189: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 218: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 219: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 220: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 250: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 221: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 224: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 225: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 226: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 227: + return visitNode(cbNode, node.name); + case 228: + case 232: + return visitNodes(cbNodes, node.elements); + case 231: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 229: + case 233: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 230: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 186: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 193: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 137: + return visitNode(cbNode, node.expression); + case 246: + return visitNodes(cbNodes, node.types); + case 191: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 235: + return visitNode(cbNode, node.expression); + case 234: + return visitNodes(cbNodes, node.decorators); + case 236: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 237: + case 238: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 241: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 242: + return visitNode(cbNode, node.expression); + case 243: + return visitNode(cbNode, node.expression); + case 240: + return visitNode(cbNode, node.tagName); + case 252: + return visitNode(cbNode, node.type); + case 256: + return visitNodes(cbNodes, node.types); + case 257: + return visitNodes(cbNodes, node.types); + case 255: + return visitNode(cbNode, node.elementType); + case 259: + return visitNode(cbNode, node.type); + case 258: + return visitNode(cbNode, node.type); + case 260: + return visitNodes(cbNodes, node.members); + case 262: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 263: + return visitNode(cbNode, node.type); + case 264: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 265: + return visitNode(cbNode, node.type); + case 266: + return visitNode(cbNode, node.type); + case 267: + return visitNode(cbNode, node.type); + case 261: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 268: + return visitNodes(cbNodes, node.tags); + case 270: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 271: + return visitNode(cbNode, node.typeExpression); + case 272: + return visitNode(cbNode, node.typeExpression); + case 273: + return visitNodes(cbNodes, node.typeParameters); + } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { + if (setParentNodes === void 0) { setParentNodes = false; } + var start = new Date().getTime(); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes); + ts.parseTime += new Date().getTime() - start; + return result; + } + ts.createSourceFile = createSourceFile; + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + function parseIsolatedJSDocComment(content, start, length) { + return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + var Parser; + (function (Parser) { + var scanner = ts.createScanner(2, true); + var disallowInAndDecoratorContext = 1 | 4; + var NodeConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var token; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + var contextFlags; + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { + var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; + initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); + clearState(); + return result; + } + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(fileName) { + return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 : 0; + } + function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = {}; + identifierCount = 0; + nodeCount = 0; + contextFlags = isJavaScriptFile ? 32 : 0; + parseErrorBeforeNextFinishedNode = false; + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(fileName)); + } + function clearState() { + scanner.setText(""); + scanner.setOnError(undefined); + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; + } + function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { + sourceFile = createSourceFile(fileName, languageVersion); + if (contextFlags & 32) { + sourceFile.parserContextFlags = 32; + } + token = nextToken(); + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0, parseStatement); + ts.Debug.assert(token === 1); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + if (contextFlags & 32) { + var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); + if (comments) { + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (jsDocComment) { + node.jsDocComment = jsDocComment; + } + } + } + } + return node; + } + function fixupParentReferences(sourceFile) { + var parent = sourceFile; + forEachChild(sourceFile, visitNode); + return; + function visitNode(n) { + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + parent = saveParent; + } + } + } + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion) { + var sourceFile = new SourceFileConstructor(251, 0, sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 : 0; + sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); + return sourceFile; + } + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; + } + else { + contextFlags &= ~flag; + } + } + function setDisallowInContext(val) { + setContextFlag(val, 1); + } + function setYieldContext(val) { + setContextFlag(val, 2); + } + function setDecoratorContext(val) { + setContextFlag(val, 4); + } + function setAwaitContext(val) { + setContextFlag(val, 8); + } + function doOutsideOfContext(context, func) { + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + setContextFlag(false, contextFlagsToClear); + var result = func(); + setContextFlag(true, contextFlagsToClear); + return result; + } + return func(); + } + function doInsideOfContext(context, func) { + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + setContextFlag(true, contextFlagsToSet); + var result = func(); + setContextFlag(false, contextFlagsToSet); + return result; + } + return func(); + } + function allowInAnd(func) { + return doOutsideOfContext(1, func); + } + function disallowInAnd(func) { + return doInsideOfContext(1, func); + } + function doInYieldContext(func) { + return doInsideOfContext(2, func); + } + function doInDecoratorContext(func) { + return doInsideOfContext(4, func); + } + function doInAwaitContext(func) { + return doInsideOfContext(8, func); + } + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(8, func); + } + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(2 | 8, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(2); + } + function inDisallowInContext() { + return inContext(1); + } + function inDecoratorContext() { + return inContext(4); + } + function inAwaitContext() { + return inContext(8); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); + } + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); + } + function nextToken() { + return token = scanner.scan(); + } + function reScanGreaterToken() { + return token = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return token = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return token = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return token = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return token = scanner.scanJsxToken(); + } + function speculationHelper(callback, isLookAhead) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var saveContextFlags = contextFlags; + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + if (!result || isLookAhead) { + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + } + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryParse(callback) { + return speculationHelper(callback, false); + } + function isIdentifier() { + if (token === 69) { + return true; + } + if (token === 114 && inYieldContext()) { + return false; + } + if (token === 119 && inAwaitContext()) { + return false; + } + return token > 105; + } + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token === kind) { + if (shouldAdvance) { + nextToken(); + } + return true; + } + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); + } + return false; + } + function parseOptional(t) { + if (token === t) { + nextToken(); + return true; + } + return false; + } + function parseOptionalToken(t) { + if (token === t) { + return parseTokenNode(); + } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + if (token === 23) { + return true; + } + return token === 16 || token === 1 || scanner.hasPrecedingLineBreak(); + } + function parseSemicolon() { + if (canParseSemicolon()) { + if (token === 23) { + nextToken(); + } + return true; + } + else { + return parseExpected(23); + } + } + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); + } + return new NodeConstructor(kind, pos, pos); + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.parserContextFlags = contextFlags; + } + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.parserContextFlags |= 16; + } + return node; + } + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); + } + else { + parseErrorAtCurrentToken(diagnosticMessage, arg0); + } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); + } + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); + } + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(69); + if (token !== 69) { + node.originalKeywordKind = token; + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); + } + return createMissingNode(69, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token) || + token === 9 || + token === 8; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token === 9 || token === 8) { + return parseLiteralNode(true); + } + if (allowComputedPropertyNames && token === 19) { + return parseComputedPropertyName(); + } + return parseIdentifierName(); + } + function parsePropertyName() { + return parsePropertyNameWorker(true); + } + function parseSimplePropertyName() { + return parsePropertyNameWorker(false); + } + function isSimplePropertyName() { + return token === 9 || token === 8 || ts.tokenIsIdentifierOrKeyword(token); + } + function parseComputedPropertyName() { + var node = createNode(137); + parseExpected(19); + node.expression = allowInAnd(parseExpression); + parseExpected(20); + return finishNode(node); + } + function parseContextualModifier(t) { + return token === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token === 74) { + return nextToken() === 81; + } + if (token === 82) { + nextToken(); + if (token === 77) { + return lookAhead(nextTokenIsClassOrFunction); + } + return token !== 37 && token !== 15 && canFollowModifier(); + } + if (token === 77) { + return nextTokenIsClassOrFunction(); + } + if (token === 113) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); + } + function parseAnyContextualModifier() { + return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); + } + function canFollowModifier() { + return token === 19 + || token === 15 + || token === 37 + || isLiteralPropertyName(); + } + function nextTokenIsClassOrFunction() { + nextToken(); + return token === 73 || token === 87; + } + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0: + case 1: + case 3: + return !(token === 23 && inErrorRecovery) && isStartOfStatement(); + case 2: + return token === 71 || token === 77; + case 4: + return isStartOfTypeMember(); + case 5: + return lookAhead(isClassMemberStart) || (token === 23 && !inErrorRecovery); + case 6: + return token === 19 || isLiteralPropertyName(); + case 12: + return token === 19 || token === 37 || isLiteralPropertyName(); + case 9: + return token === 19 || isLiteralPropertyName(); + case 7: + if (token === 15) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + else { + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8: + return isIdentifierOrPattern(); + case 10: + return token === 24 || token === 22 || isIdentifierOrPattern(); + case 17: + return isIdentifier(); + case 11: + case 15: + return token === 24 || token === 22 || isStartOfExpression(); + case 16: + return isStartOfParameter(); + case 18: + case 19: + return token === 24 || isStartOfType(); + case 20: + return isHeritageClause(); + case 21: + return ts.tokenIsIdentifierOrKeyword(token); + case 13: + return ts.tokenIsIdentifierOrKeyword(token) || token === 15; + case 14: + return true; + case 22: + case 23: + case 25: + return JSDocParser.isJSDocType(); + case 24: + return isSimplePropertyName(); + } + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); + } + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token === 15); + if (nextToken() === 16) { + var next = nextToken(); + return next === 24 || next === 15 || next === 83 || next === 106; + } + return true; + } + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); + } + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token); + } + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token === 106 || + token === 83) { + return lookAhead(nextTokenIsStartOfExpression); + } + return false; + } + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + function isListTerminator(kind) { + if (token === 1) { + return true; + } + switch (kind) { + case 1: + case 2: + case 4: + case 5: + case 6: + case 12: + case 9: + case 21: + return token === 16; + case 3: + return token === 16 || token === 71 || token === 77; + case 7: + return token === 15 || token === 83 || token === 106; + case 8: + return isVariableDeclaratorListTerminator(); + case 17: + return token === 27 || token === 17 || token === 15 || token === 83 || token === 106; + case 11: + return token === 18 || token === 23; + case 15: + case 19: + case 10: + return token === 20; + case 16: + return token === 18 || token === 20; + case 18: + return token === 27 || token === 17; + case 20: + return token === 15 || token === 16; + case 13: + return token === 27 || token === 39; + case 14: + return token === 25 && lookAhead(nextTokenIsSlash); + case 22: + return token === 18 || token === 54 || token === 16; + case 23: + return token === 27 || token === 16; + case 25: + return token === 20 || token === 16; + case 24: + return token === 16; + } + } + function isVariableDeclaratorListTerminator() { + if (canParseSemicolon()) { + return true; + } + if (isInOrOfKeyword(token)) { + return true; + } + if (token === 34) { + return true; + } + return false; + } + function isInSomeParsingContext() { + for (var kind = 0; kind < 26; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, true) || isListTerminator(kind)) { + return true; + } + } + } + return false; + } + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + while (!isListTerminator(kind)) { + if (isListElement(kind, false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); + } + return parseElement(); + } + function currentNode(parsingContext) { + if (parseErrorBeforeNextFinishedNode) { + return undefined; + } + if (!syntaxCursor) { + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + if (ts.nodeIsMissing(node)) { + return undefined; + } + if (node.intersectsChange) { + return undefined; + } + if (ts.containsParseError(node)) { + return undefined; + } + var nodeContextFlags = node.parserContextFlags & 31; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; + } + function consumeNode(node) { + scanner.setTextPos(node.end); + nextToken(); + return node; + } + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5: + return isReusableClassMember(node); + case 2: + return isReusableSwitchClause(node); + case 0: + case 1: + case 3: + return isReusableStatement(node); + case 6: + return isReusableEnumMember(node); + case 4: + return isReusableTypeMember(node); + case 8: + return isReusableVariableDeclaration(node); + case 16: + return isReusableParameter(node); + case 20: + case 17: + case 19: + case 18: + case 11: + case 12: + case 7: + case 13: + case 14: + } + return false; + } + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 145: + case 150: + case 146: + case 147: + case 142: + case 194: + return true; + case 144: + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 69 && + methodDeclaration.name.originalKeywordKind === 121; + return !nameIsConstructor; + } + } + return false; + } + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 244: + case 245: + return true; + } + } + return false; + } + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 216: + case 196: + case 195: + case 199: + case 198: + case 211: + case 207: + case 209: + case 206: + case 205: + case 203: + case 204: + case 202: + case 201: + case 208: + case 197: + case 212: + case 210: + case 200: + case 213: + case 225: + case 224: + case 231: + case 230: + case 221: + case 217: + case 218: + case 220: + case 219: + return true; + } + } + return false; + } + function isReusableEnumMember(node) { + return node.kind === 250; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 149: + case 143: + case 150: + case 141: + case 148: + return true; + } + } + return false; + } + function isReusableVariableDeclaration(node) { + if (node.kind !== 214) { + return false; + } + var variableDeclarator = node; + return variableDeclarator.initializer === undefined; + } + function isReusableParameter(node) { + if (node.kind !== 139) { + return false; + } + var parameter = node; + return parameter.initializer === undefined; + } + function abortParsingListOrMoveToNextToken(kind) { + parseErrorAtCurrentToken(parsingContextErrors(kind)); + if (isInSomeParsingContext()) { + return true; + } + nextToken(); + return false; + } + function parsingContextErrors(context) { + switch (context) { + case 0: return ts.Diagnostics.Declaration_or_statement_expected; + case 1: return ts.Diagnostics.Declaration_or_statement_expected; + case 2: return ts.Diagnostics.case_or_default_expected; + case 3: return ts.Diagnostics.Statement_expected; + case 4: return ts.Diagnostics.Property_or_signature_expected; + case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; + case 6: return ts.Diagnostics.Enum_member_expected; + case 7: return ts.Diagnostics.Expression_expected; + case 8: return ts.Diagnostics.Variable_declaration_expected; + case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; + case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; + case 11: return ts.Diagnostics.Argument_expression_expected; + case 12: return ts.Diagnostics.Property_assignment_expected; + case 15: return ts.Diagnostics.Expression_or_comma_expected; + case 16: return ts.Diagnostics.Parameter_declaration_expected; + case 17: return ts.Diagnostics.Type_parameter_declaration_expected; + case 18: return ts.Diagnostics.Type_argument_expected; + case 19: return ts.Diagnostics.Type_expected; + case 20: return ts.Diagnostics.Unexpected_token_expected; + case 21: return ts.Diagnostics.Identifier_expected; + case 13: return ts.Diagnostics.Identifier_expected; + case 14: return ts.Diagnostics.Identifier_expected; + case 22: return ts.Diagnostics.Parameter_declaration_expected; + case 23: return ts.Diagnostics.Type_argument_expected; + case 25: return ts.Diagnostics.Type_expected; + case 24: return ts.Diagnostics.Property_assignment_expected; + } + } + ; + function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimeter) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + var commaStart = -1; + while (true) { + if (isListElement(kind, false)) { + result.push(parseListElement(kind, parseElement)); + commaStart = scanner.getTokenPos(); + if (parseOptional(24)) { + continue; + } + commaStart = -1; + if (isListTerminator(kind)) { + break; + } + parseExpected(24); + if (considerSemicolonAsDelimeter && token === 23 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + } + continue; + } + if (isListTerminator(kind)) { + break; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + if (commaStart >= 0) { + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function createMissingList() { + var pos = getNodePos(); + var result = []; + result.pos = pos; + result.end = pos; + return result; + } + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; + } + return createMissingList(); + } + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(21)) { + var node = createNode(136, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); + } + return entity; + } + function parseRightSideOfDot(allowIdentifierNames) { + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + return createMissingNode(69, true, ts.Diagnostics.Identifier_expected); + } + } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); + } + function parseTemplateExpression() { + var template = createNode(186); + template.head = parseTemplateLiteralFragment(); + ts.Debug.assert(template.head.kind === 12, "Template head has wrong token kind"); + var templateSpans = []; + templateSpans.pos = getNodePos(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 13); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(193); + span.expression = allowInAnd(parseExpression); + var literal; + if (token === 16) { + reScanTemplateToken(); + literal = parseTemplateLiteralFragment(); + } + else { + literal = parseExpectedToken(14, false, ts.Diagnostics._0_expected, ts.tokenToString(16)); + } + span.literal = literal; + return finishNode(span); + } + function parseStringLiteralTypeNode() { + return parseLiteralLikeNode(163, true); + } + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token, internName); + } + function parseTemplateLiteralFragment() { + return parseLiteralLikeNode(token, false); + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; + } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + if (node.kind === 8 + && sourceText.charCodeAt(tokenPos) === 48 + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.flags |= 32768; + } + return node; + } + function parseTypeReference() { + var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); + var node = createNode(152, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token === 25) { + node.typeArguments = parseBracketedList(18, parseType, 25, 27); + } + return finishNode(node); + } + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(151, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(162); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(155); + parseExpected(101); + node.exprName = parseEntityName(true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(138); + node.name = parseIdentifier(); + if (parseOptional(83)) { + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); + } + else { + node.expression = parseUnaryExpressionOrHigher(); + } + } + return finishNode(node); + } + function parseTypeParameters() { + if (token === 25) { + return parseBracketedList(17, parseTypeParameter, 25, 27); + } + } + function parseParameterType() { + if (parseOptional(54)) { + return parseType(); + } + return undefined; + } + function isStartOfParameter() { + return token === 22 || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55; + } + function setModifiers(node, modifiers) { + if (modifiers) { + node.flags |= modifiers.flags; + node.modifiers = modifiers; + } + } + function parseParameter() { + var node = createNode(139); + node.decorators = parseDecorators(); + setModifiers(node, parseModifiers()); + node.dotDotDotToken = parseOptionalToken(22); + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { + nextToken(); + } + node.questionToken = parseOptionalToken(53); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(true); + return addJSDocComment(finishNode(node)); + } + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + } + function parseParameterInitializer() { + return parseInitializer(true); + } + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 34; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); + } + } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + if (parseExpected(17)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(18) && requireCompleteParameterList) { + return undefined; + } + return result; + } + return requireCompleteParameterList ? undefined : createMissingList(); + } + function parseTypeMemberSemicolon() { + if (parseOptional(24)) { + return; + } + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 149) { + parseExpected(92); + } + fillSignature(54, false, false, false, node); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function isIndexSignature() { + if (token !== 19) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + nextToken(); + if (token === 22 || token === 20) { + return true; + } + if (ts.isModifierKind(token)) { + nextToken(); + if (isIdentifier()) { + return true; + } + } + else if (!isIdentifier()) { + return false; + } + else { + nextToken(); + } + if (token === 54 || token === 24) { + return true; + } + if (token !== 53) { + return false; + } + nextToken(); + return token === 54 || token === 24 || token === 20; + } + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(150, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.parameters = parseBracketedList(16, parseParameter, 19, 20); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function parsePropertyOrMethodSignature() { + var fullStart = scanner.getStartPos(); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (token === 17 || token === 25) { + var method = createNode(143, fullStart); + method.name = name; + method.questionToken = questionToken; + fillSignature(54, false, false, false, method); + parseTypeMemberSemicolon(); + return finishNode(method); + } + else { + var property = createNode(141, fullStart); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token === 56) { + property.initializer = parseNonParameterInitializer(); + } + parseTypeMemberSemicolon(); + return finishNode(property); + } + } + function isStartOfTypeMember() { + switch (token) { + case 17: + case 25: + case 19: + return true; + default: + if (ts.isModifierKind(token)) { + var result = lookAhead(isStartOfIndexSignatureDeclaration); + if (result) { + return result; + } + } + return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); + } + } + function isStartOfIndexSignatureDeclaration() { + while (ts.isModifierKind(token)) { + nextToken(); + } + return isIndexSignature(); + } + function isTypeMemberWithLiteralPropertyName() { + nextToken(); + return token === 17 || + token === 25 || + token === 53 || + token === 54 || + canParseSemicolon(); + } + function parseTypeMember() { + switch (token) { + case 17: + case 25: + return parseSignatureMember(148); + case 19: + return isIndexSignature() + ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined, undefined) + : parsePropertyOrMethodSignature(); + case 92: + if (lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(149); + } + case 9: + case 8: + return parsePropertyOrMethodSignature(); + default: + if (ts.isModifierKind(token)) { + var result = tryParse(parseIndexSignatureWithModifiers); + if (result) { + return result; + } + } + if (ts.tokenIsIdentifierOrKeyword(token)) { + return parsePropertyOrMethodSignature(); + } + } + } + function parseIndexSignatureWithModifiers() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + return isIndexSignature() + ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) + : undefined; + } + function isStartOfConstructSignature() { + nextToken(); + return token === 17 || token === 25; + } + function parseTypeLiteral() { + var node = createNode(156); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseObjectTypeMembers() { + var members; + if (parseExpected(15)) { + members = parseList(4, parseTypeMember); + parseExpected(16); + } + else { + members = createMissingList(); + } + return members; + } + function parseTupleType() { + var node = createNode(158); + node.elementTypes = parseBracketedList(19, parseType, 19, 20); + return finishNode(node); + } + function parseParenthesizedType() { + var node = createNode(161); + parseExpected(17); + node.type = parseType(); + parseExpected(18); + return finishNode(node); + } + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 154) { + parseExpected(92); + } + fillSignature(34, false, false, false, node); + return finishNode(node); + } + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token === 21 ? undefined : node; + } + function parseNonArrayType() { + switch (token) { + case 117: + case 130: + case 128: + case 120: + case 131: + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9: + return parseStringLiteralTypeNode(); + case 103: + return parseTokenNode(); + case 97: { + var thisKeyword = parseThisTypeNode(); + if (token === 124 && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } + } + case 101: + return parseTypeQuery(); + case 15: + return parseTypeLiteral(); + case 19: + return parseTupleType(); + case 17: + return parseParenthesizedType(); + default: + return parseTypeReference(); + } + } + function isStartOfType() { + switch (token) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 97: + case 101: + case 15: + case 19: + case 25: + case 92: + case 9: + return true; + case 17: + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); + } + } + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token === 18 || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(19)) { + parseExpected(20); + var node = createNode(157, type.pos); + node.elementType = type; + type = finishNode(node); + } + return type; + } + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token === operator) { + var types = [type]; + types.pos = type.pos; + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); + } + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(160, parseArrayTypeOrHigher, 46); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(159, parseIntersectionTypeOrHigher, 47); + } + function isStartOfFunctionType() { + if (token === 25) { + return true; + } + return token === 17 && lookAhead(isUnambiguouslyStartOfFunctionType); + } + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token === 18 || token === 22) { + return true; + } + if (isIdentifier() || ts.isModifierKind(token)) { + nextToken(); + if (token === 54 || token === 24 || + token === 53 || token === 56 || + isIdentifier() || ts.isModifierKind(token)) { + return true; + } + if (token === 18) { + nextToken(); + if (token === 34) { + return true; + } + } + } + return false; + } + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(151, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; + } + } + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token === 124 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } + } + function parseType() { + return doOutsideOfContext(10, parseTypeWorker); + } + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(153); + } + if (token === 92) { + return parseFunctionOrConstructorType(154); + } + return parseUnionTypeOrHigher(); + } + function parseTypeAnnotation() { + return parseOptional(54) ? parseType() : undefined; + } + function isStartOfLeftHandSideExpression() { + switch (token) { + case 97: + case 95: + case 93: + case 99: + case 84: + case 8: + case 9: + case 11: + case 12: + case 17: + case 19: + case 15: + case 87: + case 73: + case 92: + case 39: + case 61: + case 69: + return true; + default: + return isIdentifier(); + } + } + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; + } + switch (token) { + case 35: + case 36: + case 50: + case 49: + case 78: + case 101: + case 103: + case 41: + case 42: + case 25: + case 119: + case 114: + return true; + default: + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); + } + } + function isStartOfExpressionStatement() { + return token !== 15 && + token !== 87 && + token !== 73 && + token !== 55 && + isStartOfExpression(); + } + function parseExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(24))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); + } + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return expr; + } + function parseInitializer(inParameter) { + if (token !== 56) { + if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15) || !isStartOfExpression()) { + return undefined; + } + } + parseExpected(56); + return parseAssignmentExpressionOrHigher(); + } + function parseAssignmentExpressionOrHigher() { + if (isYieldExpression()) { + return parseYieldExpression(); + } + var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; + } + var expr = parseBinaryExpressionOrHigher(0); + if (expr.kind === 69 && token === 34) { + return parseSimpleArrowFunctionExpression(expr); + } + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); + } + return parseConditionalExpressionRest(expr); + } + function isYieldExpression() { + if (token === 114) { + if (inYieldContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); + } + return false; + } + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); + } + function parseYieldExpression() { + var node = createNode(187); + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token === 37 || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(37); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + return finishNode(node); + } + } + function parseSimpleArrowFunctionExpression(identifier) { + ts.Debug.assert(token === 34, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node = createNode(177, identifier.pos); + var parameter = createNode(139, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = [parameter]; + node.parameters.pos = parameter.pos; + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(false); + return finishNode(node); + } + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0) { + return undefined; + } + var arrowFunction = triState === 1 + ? parseParenthesizedArrowFunctionExpressionHead(true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + return undefined; + } + var isAsync = !!(arrowFunction.flags & 256); + var lastToken = token; + arrowFunction.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 34 || lastToken === 15) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return finishNode(arrowFunction); + } + function isParenthesizedArrowFunctionExpression() { + if (token === 17 || token === 25 || token === 118) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token === 34) { + return 1; + } + return 0; + } + function isParenthesizedArrowFunctionExpressionWorker() { + if (token === 118) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0; + } + if (token !== 17 && token !== 25) { + return 0; + } + } + var first = token; + var second = nextToken(); + if (first === 17) { + if (second === 18) { + var third = nextToken(); + switch (third) { + case 34: + case 54: + case 15: + return 1; + default: + return 0; + } + } + if (second === 19 || second === 15) { + return 2; + } + if (second === 22) { + return 1; + } + if (!isIdentifier()) { + return 0; + } + if (nextToken() === 54) { + return 1; + } + return 2; + } + else { + ts.Debug.assert(first === 25); + if (!isIdentifier()) { + return 0; + } + if (sourceFile.languageVariant === 1) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 83) { + var fourth = nextToken(); + switch (fourth) { + case 56: + case 27: + return false; + default: + return true; + } + } + else if (third === 24) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1; + } + return 0; + } + return 2; + } + } + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(false); + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(177); + setModifiers(node, parseModifiersForArrowFunction()); + var isAsync = !!(node.flags & 256); + fillSignature(54, false, isAsync, !allowAmbiguity, node); + if (!node.parameters) { + return undefined; + } + if (!allowAmbiguity && token !== 34 && token !== 15) { + return undefined; + } + return node; + } + function parseArrowFunctionExpressionBody(isAsync) { + if (token === 15) { + return parseFunctionBlock(false, isAsync, false); + } + if (token !== 23 && + token !== 87 && + token !== 73 && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + return parseFunctionBlock(false, isAsync, true); + } + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); + } + function parseConditionalExpressionRest(leftOperand) { + var questionToken = parseOptionalToken(53); + if (!questionToken) { + return leftOperand; + } + var node = createNode(185, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(54, false, ts.Diagnostics._0_expected, ts.tokenToString(54)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); + } + function isInOrOfKeyword(t) { + return t === 90 || t === 135; + } + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + var consumeCurrentOperator = token === 38 ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token === 90 && inDisallowInContext()) { + break; + } + if (token === 116) { + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); + } + } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } + } + return leftOperand; + } + function isBinaryOperator() { + if (inDisallowInContext() && token === 90) { + return false; + } + return getBinaryOperatorPrecedence() > 0; + } + function getBinaryOperatorPrecedence() { + switch (token) { + case 52: + return 1; + case 51: + return 2; + case 47: + return 3; + case 48: + return 4; + case 46: + return 5; + case 30: + case 31: + case 32: + case 33: + return 6; + case 25: + case 27: + case 28: + case 29: + case 91: + case 90: + case 116: + return 7; + case 43: + case 44: + case 45: + return 8; + case 35: + case 36: + return 9; + case 37: + case 39: + case 40: + return 10; + case 38: + return 11; + } + return -1; + } + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(184, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); + } + function makeAsExpression(left, right) { + var node = createNode(192, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); + } + function parsePrefixUnaryExpression() { + var node = createNode(182); + node.operator = token; + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseDeleteExpression() { + var node = createNode(178); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseTypeOfExpression() { + var node = createNode(179); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseVoidExpression() { + var node = createNode(180); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function isAwaitExpression() { + if (token === 119) { + if (inAwaitContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; + } + function parseAwaitExpression() { + var node = createNode(181); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseUnaryExpressionOrHigher() { + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + if (isIncrementExpression()) { + var incrementExpression = parseIncrementExpression(); + return token === 38 ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token; + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token === 38) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 174) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; + } + function parseSimpleUnaryExpression() { + switch (token) { + case 35: + case 36: + case 50: + case 49: + return parsePrefixUnaryExpression(); + case 78: + return parseDeleteExpression(); + case 101: + return parseTypeOfExpression(); + case 103: + return parseVoidExpression(); + case 25: + return parseTypeAssertion(); + default: + return parseIncrementExpression(); + } + } + function isIncrementExpression() { + switch (token) { + case 35: + case 36: + case 50: + case 49: + case 78: + case 101: + case 103: + return false; + case 25: + if (sourceFile.languageVariant !== 1) { + return false; + } + default: + return true; + } + } + function parseIncrementExpression() { + if (token === 41 || token === 42) { + var node = createNode(182); + node.operator = token; + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); + } + else if (sourceFile.languageVariant === 1 && token === 25 && lookAhead(nextTokenIsIdentifierOrKeyword)) { + return parseJsxElementOrSelfClosingElement(true); + } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token === 41 || token === 42) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(183, expression.pos); + node.operand = expression; + node.operator = token; + nextToken(); + return finishNode(node); + } + return expression; + } + function parseLeftHandSideExpressionOrHigher() { + var expression = token === 95 + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + return parseCallExpressionRest(expression); + } + function parseMemberExpressionOrHigher() { + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); + } + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token === 17 || token === 21 || token === 19) { + return expression; + } + var node = createNode(169, expression.pos); + node.expression = expression; + node.dotToken = parseExpectedToken(21, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(true); + return finishNode(node); + } + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 69) { + return lhs.text === rhs.text; + } + return lhs.right.text === rhs.right.text && + tagNamesAreEquivalent(lhs.left, rhs.left); + } + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 238) { + var node = createNode(236, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 237); + result = opening; + } + if (inExpressionContext && token === 25) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(184, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(24, false, undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; + } + function parseJsxText() { + var node = createNode(239, scanner.getStartPos()); + token = scanner.scanJsxToken(); + return finishNode(node); + } + function parseJsxChild() { + switch (token) { + case 239: + return parseJsxText(); + case 15: + return parseJsxExpression(false); + case 25: + return parseJsxElementOrSelfClosingElement(false); + } + ts.Debug.fail("Unknown JSX child kind " + token); + } + function parseJsxChildren(openingTagName) { + var result = []; + result.pos = scanner.getStartPos(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14; + while (true) { + token = scanner.reScanJsxToken(); + if (token === 26) { + break; + } + else if (token === 1) { + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; + } + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(25); + var tagName = parseJsxElementName(); + var attributes = parseList(13, parseJsxAttribute); + var node; + if (token === 27) { + node = createNode(238, fullStart); + scanJsxText(); + } + else { + parseExpected(39); + if (inExpressionContext) { + parseExpected(27); + } + else { + parseExpected(27, undefined, false); + scanJsxText(); + } + node = createNode(237, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); + } + function parseJsxElementName() { + scanJsxIdentifier(); + var elementName = parseIdentifierName(); + while (parseOptional(21)) { + scanJsxIdentifier(); + var node = createNode(136, elementName.pos); + node.left = elementName; + node.right = parseIdentifierName(); + elementName = finishNode(node); + } + return elementName; + } + function parseJsxExpression(inExpressionContext) { + var node = createNode(243); + parseExpected(15); + if (token !== 16) { + node.expression = parseAssignmentExpressionOrHigher(); + } + if (inExpressionContext) { + parseExpected(16); + } + else { + parseExpected(16, undefined, false); + scanJsxText(); + } + return finishNode(node); + } + function parseJsxAttribute() { + if (token === 15) { + return parseJsxSpreadAttribute(); + } + scanJsxIdentifier(); + var node = createNode(241); + node.name = parseIdentifierName(); + if (parseOptional(56)) { + switch (token) { + case 9: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(true); + break; + } + } + return finishNode(node); + } + function parseJsxSpreadAttribute() { + var node = createNode(242); + parseExpected(15); + parseExpected(22); + node.expression = parseExpression(); + parseExpected(16); + return finishNode(node); + } + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(240); + parseExpected(26); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(27); + } + else { + parseExpected(27, undefined, false); + scanJsxText(); + } + return finishNode(node); + } + function parseTypeAssertion() { + var node = createNode(174); + parseExpected(25); + node.type = parseType(); + parseExpected(27); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(21); + if (dotToken) { + var propertyAccess = createNode(169, expression.pos); + propertyAccess.expression = expression; + propertyAccess.dotToken = dotToken; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + continue; + } + if (!inDecoratorContext() && parseOptional(19)) { + var indexedAccess = createNode(170, expression.pos); + indexedAccess.expression = expression; + if (token !== 20) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(20); + expression = finishNode(indexedAccess); + continue; + } + if (token === 11 || token === 12) { + var tagExpression = createNode(173, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token === 11 + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } + } + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token === 25) { + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(171, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token === 17) { + var callExpr = createNode(171, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } + } + function parseArgumentList() { + parseExpected(17); + var result = parseDelimitedList(11, parseArgumentExpression); + parseExpected(18); + return result; + } + function parseTypeArgumentsInExpression() { + if (!parseOptional(25)) { + return undefined; + } + var typeArguments = parseDelimitedList(18, parseType); + if (!parseExpected(27)) { + return undefined; + } + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; + } + function canFollowTypeArgumentsInExpression() { + switch (token) { + case 17: + case 21: + case 18: + case 20: + case 54: + case 23: + case 53: + case 30: + case 32: + case 31: + case 33: + case 51: + case 52: + case 48: + case 46: + case 47: + case 16: + case 1: + return true; + case 24: + case 15: + default: + return false; + } + } + function parsePrimaryExpression() { + switch (token) { + case 8: + case 9: + case 11: + return parseLiteralNode(); + case 97: + case 95: + case 93: + case 99: + case 84: + return parseTokenNode(); + case 17: + return parseParenthesizedExpression(); + case 19: + return parseArrayLiteralExpression(); + case 15: + return parseObjectLiteralExpression(); + case 118: + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 73: + return parseClassExpression(); + case 87: + return parseFunctionExpression(); + case 92: + return parseNewExpression(); + case 39: + case 61: + if (reScanSlashToken() === 10) { + return parseLiteralNode(); + } + break; + case 12: + return parseTemplateExpression(); + } + return parseIdentifier(ts.Diagnostics.Expression_expected); + } + function parseParenthesizedExpression() { + var node = createNode(175); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + return finishNode(node); + } + function parseSpreadElement() { + var node = createNode(188); + parseExpected(22); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseArgumentOrArrayLiteralElement() { + return token === 22 ? parseSpreadElement() : + token === 24 ? createNode(190) : + parseAssignmentExpressionOrHigher(); + } + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); + } + function parseArrayLiteralExpression() { + var node = createNode(167); + parseExpected(19); + if (scanner.hasPrecedingLineBreak()) + node.flags |= 1024; + node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); + parseExpected(20); + return finishNode(node); + } + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(123)) { + return parseAccessorDeclaration(146, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(129)) { + return parseAccessorDeclaration(147, fullStart, decorators, modifiers); + } + return undefined; + } + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(37); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (asteriskToken || token === 17 || token === 25) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 || token === 16 || token === 56); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(249, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(56); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); + } + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(248, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(54); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } + } + function parseObjectLiteralExpression() { + var node = createNode(168); + parseExpected(15); + if (scanner.hasPrecedingLineBreak()) { + node.flags |= 1024; + } + node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); + parseExpected(16); + return finishNode(node); + } + function parseFunctionExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var node = createNode(176); + setModifiers(node, parseModifiers()); + parseExpected(87); + node.asteriskToken = parseOptionalToken(37); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(54, isGenerator, isAsync, false, node); + node.body = parseFunctionBlock(isGenerator, isAsync, false); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return addJSDocComment(finishNode(node)); + } + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; + } + function parseNewExpression() { + var node = createNode(172); + parseExpected(92); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token === 17) { + node.arguments = parseArgumentList(); + } + return finishNode(node); + } + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(195); + if (parseExpected(15, diagnosticMessage) || ignoreMissingOpenBrace) { + node.statements = parseList(1, parseStatement); + parseExpected(16); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; + } + function parseEmptyStatement() { + var node = createNode(197); + parseExpected(23); + return finishNode(node); + } + function parseIfStatement() { + var node = createNode(199); + parseExpected(88); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(80) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(200); + parseExpected(79); + node.statement = parseStatement(); + parseExpected(104); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + parseOptional(23); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(201); + parseExpected(104); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(86); + parseExpected(17); + var initializer = undefined; + if (token !== 23) { + if (token === 102 || token === 108 || token === 74) { + initializer = parseVariableDeclarationList(true); + } + else { + initializer = disallowInAnd(parseExpression); + } + } + var forOrForInOrForOfStatement; + if (parseOptional(90)) { + var forInStatement = createNode(203, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(18); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(135)) { + var forOfStatement = createNode(204, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(18); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(202, pos); + forStatement.initializer = initializer; + parseExpected(23); + if (token !== 23 && token !== 18) { + forStatement.condition = allowInAnd(parseExpression); + } + parseExpected(23); + if (token !== 18) { + forStatement.incrementor = allowInAnd(parseExpression); + } + parseExpected(18); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 206 ? 70 : 75); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(207); + parseExpected(94); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(208); + parseExpected(105); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(244); + parseExpected(71); + node.expression = allowInAnd(parseExpression); + parseExpected(54); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(245); + parseExpected(77); + parseExpected(54); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token === 71 ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(209); + parseExpected(96); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + var caseBlock = createNode(223, scanner.getStartPos()); + parseExpected(15); + caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); + parseExpected(16); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + var node = createNode(211); + parseExpected(98); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + function parseTryStatement() { + var node = createNode(212); + parseExpected(100); + node.tryBlock = parseBlock(false); + node.catchClause = token === 72 ? parseCatchClause() : undefined; + if (!node.catchClause || token === 85) { + parseExpected(85); + node.finallyBlock = parseBlock(false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(247); + parseExpected(72); + if (parseExpected(17)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(18); + result.block = parseBlock(false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(213); + parseExpected(76); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 69 && parseOptional(54)) { + var labeledStatement = createNode(210, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); + } + else { + var expressionStatement = createNode(198, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); + } + } + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token === 87 && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token) || token === 8) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token) { + case 102: + case 108: + case 74: + case 87: + case 73: + case 81: + return true; + case 107: + case 132: + return nextTokenIsIdentifierOnSameLine(); + case 125: + case 126: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 115: + case 118: + case 122: + case 110: + case 111: + case 112: + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 134: + return nextToken() === 15; + case 89: + nextToken(); + return token === 9 || token === 37 || + token === 15 || ts.tokenIsIdentifierOrKeyword(token); + case 82: + nextToken(); + if (token === 56 || token === 37 || + token === 15 || token === 77) { + return true; + } + continue; + case 113: + nextToken(); + continue; + default: + return false; + } + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token) { + case 55: + case 23: + case 15: + case 102: + case 108: + case 87: + case 73: + case 81: + case 88: + case 79: + case 104: + case 86: + case 75: + case 70: + case 94: + case 105: + case 96: + case 98: + case 100: + case 76: + case 72: + case 85: + return true; + case 74: + case 82: + case 89: + return isStartOfDeclaration(); + case 118: + case 122: + case 107: + case 125: + case 126: + case 132: + case 134: + return true; + case 112: + case 110: + case 111: + case 113: + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token === 15 || token === 19; + } + function isLetDeclaration() { + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token) { + case 23: + return parseEmptyStatement(); + case 15: + return parseBlock(false); + case 102: + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + case 108: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + } + break; + case 87: + return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); + case 73: + return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); + case 88: + return parseIfStatement(); + case 79: + return parseDoStatement(); + case 104: + return parseWhileStatement(); + case 86: + return parseForOrForInOrForOfStatement(); + case 75: + return parseBreakOrContinueStatement(205); + case 70: + return parseBreakOrContinueStatement(206); + case 94: + return parseReturnStatement(); + case 105: + return parseWithStatement(); + case 96: + return parseSwitchStatement(); + case 98: + return parseThrowStatement(); + case 100: + case 72: + case 85: + return parseTryStatement(); + case 76: + return parseDebuggerStatement(); + case 55: + return parseDeclaration(); + case 118: + case 107: + case 132: + case 125: + case 126: + case 122: + case 74: + case 81: + case 82: + case 89: + case 110: + case 111: + case 112: + case 115: + case 113: + case 134: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token) { + case 102: + case 108: + case 74: + return parseVariableStatement(fullStart, decorators, modifiers); + case 87: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 73: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 107: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 132: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 81: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 134: + case 125: + case 126: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 89: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 82: + nextToken(); + return token === 77 || token === 56 ? + parseExportAssignment(fullStart, decorators, modifiers) : + parseExportDeclaration(fullStart, decorators, modifiers); + default: + if (decorators || modifiers) { + var node = createMissingNode(234, true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + setModifiers(node, modifiers); + return finishNode(node); + } + } + } + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token !== 15 && canParseSemicolon()) { + parseSemicolon(); + return; + } + return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); + } + function parseArrayBindingElement() { + if (token === 24) { + return createNode(190); + } + var node = createNode(166); + node.dotDotDotToken = parseOptionalToken(22); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); + } + function parseObjectBindingElement() { + var node = createNode(166); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token !== 54) { + node.name = propertyName; + } + else { + parseExpected(54); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); + } + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); + } + function parseObjectBindingPattern() { + var node = createNode(164); + parseExpected(15); + node.elements = parseDelimitedList(9, parseObjectBindingElement); + parseExpected(16); + return finishNode(node); + } + function parseArrayBindingPattern() { + var node = createNode(165); + parseExpected(19); + node.elements = parseDelimitedList(10, parseArrayBindingElement); + parseExpected(20); + return finishNode(node); + } + function isIdentifierOrPattern() { + return token === 15 || token === 19 || isIdentifier(); + } + function parseIdentifierOrPattern() { + if (token === 19) { + return parseArrayBindingPattern(); + } + if (token === 15) { + return parseObjectBindingPattern(); + } + return parseIdentifier(); + } + function parseVariableDeclaration() { + var node = createNode(214); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token)) { + node.initializer = parseInitializer(false); + } + return finishNode(node); + } + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(215); + switch (token) { + case 102: + break; + case 108: + node.flags |= 8192; + break; + case 74: + node.flags |= 16384; + break; + default: + ts.Debug.fail(); + } + nextToken(); + if (token === 135 && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); + } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); + } + return finishNode(node); + } + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 18; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(196, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.declarationList = parseVariableDeclarationList(false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(216, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(87); + node.asteriskToken = parseOptionalToken(37); + node.name = node.flags & 512 ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256); + fillSignature(54, isGenerator, isAsync, false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(145, pos); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(121); + fillSignature(54, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(144, fullStart); + method.decorators = decorators; + setModifiers(method, modifiers); + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = !!(method.flags & 256); + fillSignature(54, isGenerator, isAsync, false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(142, fullStart); + property.decorators = decorators; + setModifiers(property, modifiers); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + property.initializer = modifiers && modifiers.flags & 64 + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(2 | 1, parseNonParameterInitializer); + parseSemicolon(); + return finishNode(property); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(37); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (asteriskToken || token === 17 || token === 25) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); + } + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); + } + } + function parseNonParameterInitializer() { + return parseInitializer(false); + } + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.name = parsePropertyName(); + fillSignature(54, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false); + return finishNode(node); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 112: + case 110: + case 111: + case 113: + return true; + default: + return false; + } + } + function isClassMemberStart() { + var idToken; + if (token === 55) { + return true; + } + while (ts.isModifierKind(token)) { + idToken = token; + if (isClassMemberModifier(idToken)) { + return true; + } + nextToken(); + } + if (token === 37) { + return true; + } + if (isLiteralPropertyName()) { + idToken = token; + nextToken(); + } + if (token === 19) { + return true; + } + if (idToken !== undefined) { + if (!ts.isKeyword(idToken) || idToken === 129 || idToken === 123) { + return true; + } + switch (token) { + case 17: + case 25: + case 54: + case 56: + case 53: + return true; + default: + return canParseSemicolon(); + } + } + return false; + } + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(55)) { + break; + } + if (!decorators) { + decorators = []; + decorators.pos = decoratorStart; + } + var decorator = createNode(140, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + decorators.push(finishNode(decorator)); + } + if (decorators) { + decorators.end = getNodeEnd(); + } + return decorators; + } + function parseModifiers(permitInvalidConstAsModifier) { + var flags = 0; + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + if (token === 74 && permitInvalidConstAsModifier) { + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } + } + else { + if (!parseAnyContextualModifier()) { + break; + } + } + if (!modifiers) { + modifiers = []; + modifiers.pos = modifierStart; + } + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + } + if (modifiers) { + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseModifiersForArrowFunction() { + var flags = 0; + var modifiers; + if (token === 118) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + nextToken(); + modifiers = []; + modifiers.pos = modifierStart; + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseClassElement() { + if (token === 23) { + var result = createNode(194); + nextToken(); + return finishNode(result); + } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + if (token === 121) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + if (ts.tokenIsIdentifierOrKeyword(token) || + token === 9 || + token === 8 || + token === 37 || + token === 19) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + var name_7 = createMissingNode(69, true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, undefined); + } + ts.Debug.fail("Should not have attempted to parse class member declaration."); + } + function parseClassExpression() { + return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 189); + } + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217); + } + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(73); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(true); + if (parseExpected(15)) { + node.members = parseClassMembers(); + parseExpected(16); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseNameOfClassDeclarationOrExpression() { + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; + } + function isImplementsClause() { + return token === 106 && lookAhead(nextTokenIsIdentifierOrKeyword); + } + function parseHeritageClauses(isClassHeritageClause) { + if (isHeritageClause()) { + return parseList(20, parseHeritageClause); + } + return undefined; + } + function parseHeritageClause() { + if (token === 83 || token === 106) { + var node = createNode(246); + node.token = token; + nextToken(); + node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); + return finishNode(node); + } + return undefined; + } + function parseExpressionWithTypeArguments() { + var node = createNode(191); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token === 25) { + node.typeArguments = parseBracketedList(18, parseType, 25, 27); + } + return finishNode(node); + } + function isHeritageClause() { + return token === 83 || token === 106; + } + function parseClassMembers() { + return parseList(5, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(218, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(107); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(false); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(219, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(132); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(56); + node.type = parseType(); + parseSemicolon(); + return finishNode(node); + } + function parseEnumMember() { + var node = createNode(250, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return finishNode(node); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(220, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(81); + node.name = parseIdentifier(); + if (parseExpected(15)) { + node.members = parseDelimitedList(6, parseEnumMember); + parseExpected(16); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseModuleBlock() { + var node = createNode(222, scanner.getStartPos()); + if (parseExpected(15)) { + node.statements = parseList(1, parseStatement); + parseExpected(16); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(221, fullStart); + var namespaceFlag = flags & 65536; + node.decorators = decorators; + setModifiers(node, modifiers); + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(21) + ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 2 | namespaceFlag) + : parseModuleBlock(); + return finishNode(node); + } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (token === 134) { + node.name = parseIdentifier(); + node.flags |= 2097152; + } + else { + node.name = parseLiteralNode(true); + } + node.body = parseModuleBlock(); + return finishNode(node); + } + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = modifiers ? modifiers.flags : 0; + if (token === 134) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + else if (parseOptional(126)) { + flags |= 65536; + } + else { + parseExpected(125); + if (token === 9) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); + } + function isExternalModuleReference() { + return token === 127 && + lookAhead(nextTokenIsOpenParen); + } + function nextTokenIsOpenParen() { + return nextToken() === 17; + } + function nextTokenIsSlash() { + return nextToken() === 39; + } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(89); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token !== 24 && token !== 133) { + var importEqualsDeclaration = createNode(224, fullStart); + importEqualsDeclaration.decorators = decorators; + setModifiers(importEqualsDeclaration, modifiers); + importEqualsDeclaration.name = identifier; + parseExpected(56); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return finishNode(importEqualsDeclaration); + } + } + var importDeclaration = createNode(225, fullStart); + importDeclaration.decorators = decorators; + setModifiers(importDeclaration, modifiers); + if (identifier || + token === 37 || + token === 15) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(133); + } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); + } + function parseImportClause(identifier, fullStart) { + var importClause = createNode(226, fullStart); + if (identifier) { + importClause.name = identifier; + } + if (!importClause.name || + parseOptional(24)) { + importClause.namedBindings = token === 37 ? parseNamespaceImport() : parseNamedImportsOrExports(228); + } + return finishNode(importClause); + } + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(false); + } + function parseExternalModuleReference() { + var node = createNode(235); + parseExpected(127); + parseExpected(17); + node.expression = parseModuleSpecifier(); + parseExpected(18); + return finishNode(node); + } + function parseModuleSpecifier() { + if (token === 9) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; + } + else { + return parseExpression(); + } + } + function parseNamespaceImport() { + var namespaceImport = createNode(227); + parseExpected(37); + parseExpected(116); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); + } + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + node.elements = parseBracketedList(21, kind === 228 ? parseImportSpecifier : parseExportSpecifier, 15, 16); + return finishNode(node); + } + function parseExportSpecifier() { + return parseImportOrExportSpecifier(233); + } + function parseImportSpecifier() { + return parseImportOrExportSpecifier(229); + } + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token === 116) { + node.propertyName = identifierName; + parseExpected(116); + checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 229 && checkIdentifierIsKeyword) { + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); + } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(231, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(37)) { + parseExpected(133); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(232); + if (token === 133 || (token === 9 && !scanner.hasPrecedingLineBreak())) { + parseExpected(133); + node.moduleSpecifier = parseModuleSpecifier(); + } + } + parseSemicolon(); + return finishNode(node); + } + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(230, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(56)) { + node.isExportEquals = true; + } + else { + parseExpected(77); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); + } + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); + var referencedFiles = []; + var amdDependencies = []; + var amdModuleName; + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; + } + } + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + referencedFiles.push(fileReference); + } + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); + } + } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function parseQualifiedName(left) { + var result = createNode(136, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); + } + function parseJSDocRecordType() { + var result = createNode(260); + nextToken(); + result.members = parseDelimitedList(24, parseJSDocRecordMember); + checkForTrailingComma(result.members); + parseExpected(16); + return finishNode(result); + } + function parseJSDocRecordMember() { + var result = createNode(261); + result.name = parseSimplePropertyName(); + if (token === 54) { + nextToken(); + result.type = parseJSDocType(); + } + return finishNode(result); + } + function parseJSDocNonNullableType() { + var result = createNode(259); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); + } + function parseJSDocTupleType() { + var result = createNode(257); + nextToken(); + result.types = parseDelimitedList(25, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(20); + return finishNode(result); + } + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function parseJSDocUnionType() { + var result = createNode(256); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(18); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = []; + types.pos = firstType.pos; + types.push(firstType); + while (parseOptional(47)) { + types.push(parseJSDocType()); + } + types.end = scanner.getStartPos(); + return types; + } + function parseJSDocAllType() { + var result = createNode(253); + nextToken(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + nextToken(); + if (token === 24 || + token === 16 || + token === 18 || + token === 27 || + token === 56 || + token === 47) { + var result = createNode(254, pos); + return finishNode(result); + } + else { + var result = createNode(258, pos); + result.type = parseJSDocType(); + return finishNode(result); + } + } + function parseIsolatedJSDocComment(content, start, length) { + initializeState("file.js", content, 2, true, undefined); + sourceFile = { languageVariant: 0, text: content }; + var jsDocComment = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var result; + if (content.charCodeAt(start) === 47 && + content.charCodeAt(start + 1) === 42 && + content.charCodeAt(start + 2) === 42 && + content.charCodeAt(start + 3) !== 42) { + scanner.scanRange(start + 3, length - 5, function () { + var canParseTag = true; + var seenAsterisk = true; + nextJSDocToken(); + while (token !== 1) { + switch (token) { + case 55: + if (canParseTag) { + parseTag(); + } + seenAsterisk = false; + break; + case 4: + canParseTag = true; + seenAsterisk = false; + break; + case 37: + if (seenAsterisk) { + canParseTag = false; + } + seenAsterisk = true; + break; + case 69: + canParseTag = false; + break; + case 1: + break; + } + nextJSDocToken(); + } + result = createJSDocComment(); + }); + } + return result; + function createJSDocComment() { + if (!tags) { + return undefined; + } + var result = createNode(268, start); + result.tags = tags; + return finishNode(result, end); + } + function skipWhitespace() { + while (token === 5 || token === 4) { + nextJSDocToken(); + } + } + function parseTag() { + ts.Debug.assert(token === 55); + var atToken = createNode(55, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifier(); + if (!tagName) { + return; + } + var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); + addTag(tag); + } + function handleTag(atToken, tagName) { + if (tagName) { + switch (tagName.text) { + case "param": + return handleParamTag(atToken, tagName); + case "return": + case "returns": + return handleReturnTag(atToken, tagName); + case "template": + return handleTemplateTag(atToken, tagName); + case "type": + return handleTypeTag(atToken, tagName); + } + } + return undefined; + } + function handleUnknownTag(atToken, tagName) { + var result = createNode(269, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag) { + if (tag) { + if (!tags) { + tags = []; + tags.pos = tag.pos; + } + tags.push(tag); + tags.end = tag.end; + } + } + function tryParseTypeExpression() { + if (token !== 15) { + return undefined; + } + var typeExpression = parseJSDocTypeExpression(); + return typeExpression; + } + function handleParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + if (parseOptionalToken(19)) { + name = parseJSDocIdentifier(); + isBracketed = true; + if (parseOptionalToken(56)) { + parseExpression(); + } + parseExpected(20); + } + else if (token === 69) { + name = parseJSDocIdentifier(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; + } + else { + preName = name; + } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); + } + var result = createNode(270, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.isBracketed = isBracketed; + return finishNode(result); + } + function handleReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 271; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(271, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 272; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(272, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 273; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var typeParameters = []; + typeParameters.pos = scanner.getStartPos(); + while (true) { + var name_8 = parseJSDocIdentifier(); + if (!name_8) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(138, name_8.pos); + typeParameter.name = name_8; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token === 24) { + nextJSDocToken(); + } + else { + break; + } + } + var result = createNode(273, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; + } + function nextJSDocToken() { + return token = scanner.scanJSDocToken(); + } + function parseJSDocIdentifier() { + if (token !== 69) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(69, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; + } + } + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + return sourceFile; + } + if (sourceFile.statements.length === 0) { + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true); + } + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); + } + if (node._children) { + node._children = undefined; + } + if (node.jsDocComment) { + node.jsDocComment = undefined; + } + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); + } + forEachChild(node, visitNode, visitArray); + checkNodePositions(node, aggressiveChecks); + } + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { + var node = array_7[_i]; + visitNode(node); + } + } + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9: + case 8: + case 69: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + element.pos = Math.min(element.pos, changeRangeNewEnd); + if (element.end >= changeRangeOldEnd) { + element.end += delta; + } + else { + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); + return; + } + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; + } + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); + return; + } + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { + var node = array_8[_i]; + visitNode(node); + } + return; + } + ts.Debug.assert(fullEnd < changeStart); + } + } + function extendToAffectedRange(sourceFile, changeRange) { + var maxLookahead = 1; + var start = changeRange.span.start; + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); + } + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; + } + } + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; + } + else { + return node; + } + } + } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; + } + function visit(child) { + if (ts.nodeIsMissing(child)) { + return; + } + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + bestResult = child; + } + if (position < child.end) { + forEachChild(child, visit); + return true; + } + else { + ts.Debug.assert(child.end <= position); + lastNodeEntirelyBeforePosition = child; + } + } + else { + ts.Debug.assert(child.pos > position); + return true; + } + } + } + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); + } + } + } + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1; + return { + currentNode: function (position) { + if (position !== lastQueriedPosition) { + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); + } + } + lastQueriedPosition = position; + ts.Debug.assert(!current || current.pos === position); + return current; + } + }; + function findHighestListElementThatStartsAtPosition(position) { + currentArray = undefined; + currentArrayIndex = -1; + current = undefined; + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + forEachChild(node, visitNode, visitArray); + return true; + } + return false; + } + function visitArray(array) { + if (position >= array.pos && position < array.end) { + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + return false; + } + } + } + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.bindTime = 0; + function or(state1, state2) { + return (state1 | state2) & 2 + ? 2 + : (state1 & state2) & 8 + ? 8 + : 4; + } + function getModuleInstanceState(node) { + if (node.kind === 218 || node.kind === 219) { + return 0; + } + else if (ts.isConstEnumDeclaration(node)) { + return 2; + } + else if ((node.kind === 225 || node.kind === 224) && !(node.flags & 2)) { + return 0; + } + else if (node.kind === 222) { + var state_1 = 0; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0: + return false; + case 2: + state_1 = 2; + return false; + case 1: + state_1 = 1; + return true; + } + }); + return state_1; + } + else if (node.kind === 221) { + return getModuleInstanceState(node.body); + } + else { + return 1; + } + } + ts.getModuleInstanceState = getModuleInstanceState; + var binder = createBinder(); + function bindSourceFile(file, options) { + var start = new Date().getTime(); + binder(file, options); + ts.bindTime += new Date().getTime() - start; + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + var hasExplicitReturn; + var currentReachabilityState; + var labelStack; + var labelIndexMap; + var implicitLabels; + var hasClassExtends; + var hasAsyncFunctions; + var hasDecorators; + var hasParameterDecorators; + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + function bindSourceFile(f, opts) { + file = f; + options = opts; + inStrictMode = !!file.externalModuleIndicator; + classifiableNames = {}; + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + hasExplicitReturn = false; + labelStack = undefined; + labelIndexMap = undefined; + implicitLabels = undefined; + hasClassExtends = false; + hasAsyncFunctions = false; + hasDecorators = false; + hasParameterDecorators = false; + } + return bindSourceFile; + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; + } + symbol.declarations.push(node); + if (symbolFlags & 1952 && !symbol.exports) { + symbol.exports = {}; + } + if (symbolFlags & 6240 && !symbol.members) { + symbol.members = {}; + } + if (symbolFlags & 107455) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221)) { + symbol.valueDeclaration = node; + } + } + } + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; + } + if (node.name.kind === 137) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + } + return node.name.text; + } + switch (node.kind) { + case 145: + return "__constructor"; + case 153: + case 148: + return "__call"; + case 154: + case 149: + return "__new"; + case 150: + return "__index"; + case 231: + return "__export"; + case 230: + return node.isExportEquals ? "export=" : "default"; + case 184: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2: + return "export="; + case 1: + case 4: + return node.left.name.text; + case 3: + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 216: + case 217: + return node.flags & 512 ? "default" : undefined; + case 264: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 139: + ts.Debug.assert(node.parent.kind === 264); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "p" + index; + } + } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + } + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = node.flags & 512; + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name !== undefined) { + symbol = ts.hasProperty(symbolTable, name) + ? symbolTable[name] + : (symbolTable[name] = createSymbol(0, name)); + if (name && (includes & 788448)) { + classifiableNames[name] = name; + } + if (symbol.flags & excludes) { + if (node.name) { + node.name.parent = node; + } + var message_1 = symbol.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.flags & 512) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + }); + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0, name); + } + } + else { + symbol = createSymbol(0, "__missing"); + } + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; + } + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedNodeFlags(node) & 2; + if (symbolFlags & 8388608) { + if (node.kind === 233 || (node.kind === 224 && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + else { + if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072)) { + var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | + (symbolFlags & 793056 ? 2097152 : 0) | + (symbolFlags & 1536 ? 4194304 : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + } + function bindChildren(node) { + var saveParent = parent; + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + parent = node; + var containerFlags = getContainerFlags(node); + if (containerFlags & 1) { + container = blockScopeContainer = node; + if (containerFlags & 4) { + container.locals = {}; + } + addToContainerChain(container); + } + else if (containerFlags & 2) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; + } + var savedReachabilityState; + var savedLabelStack; + var savedLabels; + var savedImplicitLabels; + var savedHasExplicitReturn; + var kind = node.kind; + var flags = node.flags; + flags &= ~1572864; + flags &= ~62914560; + if (kind === 218) { + seenThisKeyword = false; + } + var saveState = kind === 251 || kind === 222 || ts.isFunctionLikeKind(kind); + if (saveState) { + savedReachabilityState = currentReachabilityState; + savedLabelStack = labelStack; + savedLabels = labelIndexMap; + savedImplicitLabels = implicitLabels; + savedHasExplicitReturn = hasExplicitReturn; + currentReachabilityState = 2; + hasExplicitReturn = false; + labelStack = labelIndexMap = implicitLabels = undefined; + } + if (ts.isInJavaScriptFile(node) && node.jsDocComment) { + bind(node.jsDocComment); + } + bindReachableStatement(node); + if (currentReachabilityState === 2 && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { + flags |= 524288; + if (hasExplicitReturn) { + flags |= 1048576; + } + } + if (kind === 218) { + flags = seenThisKeyword ? flags | 262144 : flags & ~262144; + } + if (kind === 251) { + if (hasClassExtends) { + flags |= 4194304; + } + if (hasDecorators) { + flags |= 8388608; + } + if (hasParameterDecorators) { + flags |= 16777216; + } + if (hasAsyncFunctions) { + flags |= 33554432; + } + } + node.flags = flags; + if (saveState) { + hasExplicitReturn = savedHasExplicitReturn; + currentReachabilityState = savedReachabilityState; + labelStack = savedLabelStack; + labelIndexMap = savedLabels; + implicitLabels = savedImplicitLabels; + } + container = saveContainer; + parent = saveParent; + blockScopeContainer = savedBlockScopeContainer; + } + function bindReachableStatement(node) { + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; + } + switch (node.kind) { + case 201: + bindWhileStatement(node); + break; + case 200: + bindDoStatement(node); + break; + case 202: + bindForStatement(node); + break; + case 203: + case 204: + bindForInOrForOfStatement(node); + break; + case 199: + bindIfStatement(node); + break; + case 207: + case 211: + bindReturnOrThrow(node); + break; + case 206: + case 205: + bindBreakOrContinueStatement(node); + break; + case 212: + bindTryStatement(node); + break; + case 209: + bindSwitchStatement(node); + break; + case 223: + bindCaseBlock(node); + break; + case 210: + bindLabeledStatement(node); + break; + default: + ts.forEachChild(node, bind); + break; + } + } + function bindWhileStatement(n) { + var preWhileState = n.expression.kind === 84 ? 4 : currentReachabilityState; + var postWhileState = n.expression.kind === 99 ? 4 : currentReachabilityState; + bind(n.expression); + currentReachabilityState = preWhileState; + var postWhileLabel = pushImplicitLabel(); + bind(n.statement); + popImplicitLabel(postWhileLabel, postWhileState); + } + function bindDoStatement(n) { + var preDoState = currentReachabilityState; + var postDoLabel = pushImplicitLabel(); + bind(n.statement); + var postDoState = n.expression.kind === 99 ? 4 : preDoState; + popImplicitLabel(postDoLabel, postDoState); + bind(n.expression); + } + function bindForStatement(n) { + var preForState = currentReachabilityState; + var postForLabel = pushImplicitLabel(); + bind(n.initializer); + bind(n.condition); + bind(n.incrementor); + bind(n.statement); + var isInfiniteLoop = (!n.condition || n.condition.kind === 99); + var postForState = isInfiniteLoop ? 4 : preForState; + popImplicitLabel(postForLabel, postForState); + } + function bindForInOrForOfStatement(n) { + var preStatementState = currentReachabilityState; + var postStatementLabel = pushImplicitLabel(); + bind(n.initializer); + bind(n.expression); + bind(n.statement); + popImplicitLabel(postStatementLabel, preStatementState); + } + function bindIfStatement(n) { + var ifTrueState = n.expression.kind === 84 ? 4 : currentReachabilityState; + var ifFalseState = n.expression.kind === 99 ? 4 : currentReachabilityState; + currentReachabilityState = ifTrueState; + bind(n.expression); + bind(n.thenStatement); + if (n.elseStatement) { + var preElseState = currentReachabilityState; + currentReachabilityState = ifFalseState; + bind(n.elseStatement); + currentReachabilityState = or(currentReachabilityState, preElseState); + } + else { + currentReachabilityState = or(currentReachabilityState, ifFalseState); + } + } + function bindReturnOrThrow(n) { + bind(n.expression); + if (n.kind === 207) { + hasExplicitReturn = true; + } + currentReachabilityState = 4; + } + function bindBreakOrContinueStatement(n) { + bind(n.label); + var isValidJump = jumpToLabel(n.label, n.kind === 206 ? currentReachabilityState : 4); + if (isValidJump) { + currentReachabilityState = 4; + } + } + function bindTryStatement(n) { + var preTryState = currentReachabilityState; + bind(n.tryBlock); + var postTryState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.catchClause); + var postCatchState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.finallyBlock); + currentReachabilityState = or(postTryState, postCatchState); + } + function bindSwitchStatement(n) { + var preSwitchState = currentReachabilityState; + var postSwitchLabel = pushImplicitLabel(); + bind(n.expression); + bind(n.caseBlock); + var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245; }); + var postSwitchState = hasDefault && currentReachabilityState !== 2 ? 4 : preSwitchState; + popImplicitLabel(postSwitchLabel, postSwitchState); + } + function bindCaseBlock(n) { + var startState = currentReachabilityState; + for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + currentReachabilityState = startState; + bind(clause); + if (clause.statements.length && currentReachabilityState === 2 && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + } + } + } + function bindLabeledStatement(n) { + bind(n.label); + var ok = pushNamedLabel(n.label); + bind(n.statement); + if (ok) { + popNamedLabel(n.label, currentReachabilityState); + } + } + function getContainerFlags(node) { + switch (node.kind) { + case 189: + case 217: + case 218: + case 220: + case 168: + case 156: + case 260: + return 1; + case 148: + case 149: + case 150: + case 144: + case 143: + case 216: + case 145: + case 146: + case 147: + case 153: + case 154: + case 176: + case 177: + case 221: + case 251: + case 219: + return 5; + case 247: + case 202: + case 203: + case 204: + case 223: + return 2; + case 195: + return ts.isFunctionLike(node.parent) ? 0 : 2; + } + return 0; + } + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; + } + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + } + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + case 221: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 251: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 189: + case 217: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 220: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 156: + case 168: + case 218: + case 260: + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 153: + case 154: + case 148: + case 149: + case 150: + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 176: + case 177: + case 264: + case 219: + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return node.flags & 64 + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 251 ? node : node.body; + if (body.kind === 251 || body.kind === 222) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 231 || stat.kind === 230) { + return true; + } + } + } + return false; + } + function setExportContextFlag(node) { + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 131072; + } + else { + node.flags &= ~131072; + } + } + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (node.flags & 2) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); + } + declareSymbolAndAddToSymbolTable(node, 512, 106639); + } + else { + var state = getModuleInstanceState(node); + if (state === 0) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); + } + else { + declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (node.symbol.flags & (16 | 32 | 256)) { + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2; + if (node.symbol.constEnumOnlyModule === undefined) { + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } + } + } + } + function bindFunctionOrConstructorType(node) { + var symbol = createSymbol(131072, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072); + var typeLiteralSymbol = createSymbol(2048, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048); + typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); + var _a; + } + function bindObjectLiteralExpression(node) { + if (inStrictMode) { + var seen = {}; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 69) { + continue; + } + var identifier = prop.name; + var currentKind = prop.kind === 248 || prop.kind === 249 || prop.kind === 144 + ? 1 + : 2; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 && existingKind === 1) { + var span = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); + } + } + } + return bindAnonymousDeclaration(node, 4096, "__object"); + } + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); + } + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 221: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 251: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = {}; + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2, 107455); + } + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 106 && + node.originalKeywordKind <= 114 && + !ts.isIdentifierName(node)) { + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } + } + } + function getStrictModeIdentifierMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + checkStrictModeEvalOrArguments(node, node.left); + } + } + function checkStrictModeCatchClause(node) { + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); + } + } + function checkStrictModeDeleteExpression(node) { + if (inStrictMode && node.expression.kind === 69) { + var span = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + } + } + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 69 && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 69) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + var span = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + } + } + } + function getStrictModeEvalOrArgumentsMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; + } + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.flags & 32768) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + } + } + function checkStrictModePostfixUnaryExpression(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + function checkStrictModePrefixUnaryExpression(node) { + if (inStrictMode) { + if (node.operator === 41 || node.operator === 42) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + } + function checkStrictModeWithStatement(node) { + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + } + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; + } + node.parent = parent; + var savedInStrictMode = inStrictMode; + if (!savedInStrictMode) { + updateStrictMode(node); + } + bindWorker(node); + bindChildren(node); + inStrictMode = savedInStrictMode; + } + function updateStrictMode(node) { + switch (node.kind) { + case 251: + case 222: + updateStrictModeStatementList(node.statements); + return; + case 195: + if (ts.isFunctionLike(node.parent)) { + updateStrictModeStatementList(node.statements); + } + return; + case 217: + case 189: + inStrictMode = true; + return; + } + } + function updateStrictModeStatementList(statements) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } + } + } + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + return nodeText === "\"use strict\"" || nodeText === "'use strict'"; + } + function bindWorker(node) { + switch (node.kind) { + case 69: + return checkStrictModeIdentifier(node); + case 184: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1: + bindExportsPropertyAssignment(node); + break; + case 2: + bindModuleExportsAssignment(node); + break; + case 3: + bindPrototypePropertyAssignment(node); + break; + case 4: + bindThisPropertyAssignment(node); + break; + case 0: + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 247: + return checkStrictModeCatchClause(node); + case 178: + return checkStrictModeDeleteExpression(node); + case 8: + return checkStrictModeNumericLiteral(node); + case 183: + return checkStrictModePostfixUnaryExpression(node); + case 182: + return checkStrictModePrefixUnaryExpression(node); + case 208: + return checkStrictModeWithStatement(node); + case 162: + seenThisKeyword = true; + return; + case 151: + return checkTypePredicate(node); + case 138: + return declareSymbolAndAddToSymbolTable(node, 262144, 530912); + case 139: + return bindParameter(node); + case 214: + case 166: + return bindVariableDeclarationOrBindingElement(node); + case 142: + case 141: + case 261: + return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 107455); + case 248: + case 249: + return bindPropertyOrMethodOrAccessor(node, 4, 107455); + case 250: + return bindPropertyOrMethodOrAccessor(node, 8, 107455); + case 148: + case 149: + case 150: + return declareSymbolAndAddToSymbolTable(node, 131072, 0); + case 144: + case 143: + return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 107455 : 99263); + case 216: + return bindFunctionDeclaration(node); + case 145: + return declareSymbolAndAddToSymbolTable(node, 16384, 0); + case 146: + return bindPropertyOrMethodOrAccessor(node, 32768, 41919); + case 147: + return bindPropertyOrMethodOrAccessor(node, 65536, 74687); + case 153: + case 154: + case 264: + return bindFunctionOrConstructorType(node); + case 156: + case 260: + return bindAnonymousDeclaration(node, 2048, "__type"); + case 168: + return bindObjectLiteralExpression(node); + case 176: + case 177: + return bindFunctionExpression(node); + case 171: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + case 189: + case 217: + return bindClassLikeDeclaration(node); + case 218: + return bindBlockScopedDeclaration(node, 64, 792960); + case 219: + return bindBlockScopedDeclaration(node, 524288, 793056); + case 220: + return bindEnumDeclaration(node); + case 221: + return bindModuleDeclaration(node); + case 224: + case 227: + case 229: + case 233: + return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + case 226: + return bindImportClause(node); + case 231: + return bindExportDeclaration(node); + case 230: + return bindExportAssignment(node); + case 251: + return bindSourceFileIfExternalModule(); + } + } + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 69) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 162) { + seenThisKeyword = true; + } + bind(type); + } + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); + } + } + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); + } + function bindExportAssignment(node) { + var boundExpression = node.kind === 230 ? node.expression : node.right; + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); + } + else if (boundExpression.kind === 69 && node.kind === 230) { + declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 107455 | 8388608); + } + else { + declareSymbol(container.symbol.exports, container.symbol, node, 4, 107455 | 8388608); + } + } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + } + else if (!node.exportClause) { + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); + } + } + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + } + } + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + bindSourceFileAsExternalModule(); + } + } + function bindExportsPropertyAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + } + function bindModuleExportsAssignment(node) { + setCommonJsModuleIndicator(node); + bindExportAssignment(node); + } + function bindThisPropertyAssignment(node) { + if (container.kind === 176 || container.kind === 216) { + container.symbol.members = container.symbol.members || {}; + declareSymbol(container.symbol.members, container.symbol, node, 4, 107455 & ~4); + } + } + function bindPrototypePropertyAssignment(node) { + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16)) { + return; + } + if (!funcSymbol.members) { + funcSymbol.members = {}; + } + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 107455); + } + function bindCallExpression(node) { + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + hasClassExtends = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + if (node.kind === 217) { + bindBlockScopedDeclaration(node, 32, 899519); + } + else { + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32, bindingName); + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } + } + var symbol = node.symbol; + var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); + if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { + if (node.name) { + node.name.parent = node; + } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128, 899967) + : bindBlockScopedDeclaration(node, 256, 899327); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); + } + else if (ts.isParameterDeclaration(node)) { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + else { + declareSymbolAndAddToSymbolTable(node, 1, 107454); + } + } + } + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + hasDecorators = true; + hasParameterDecorators = true; + } + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); + } + else { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4, 107455); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + return declareSymbolAndAddToSymbolTable(node, 16, 106927); + } + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16, bindingName); + } + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function pushNamedLabel(name) { + initializeReachabilityStateIfNecessary(); + if (ts.hasProperty(labelIndexMap, name.text)) { + return false; + } + labelIndexMap[name.text] = labelStack.push(1) - 1; + return true; + } + function pushImplicitLabel() { + initializeReachabilityStateIfNecessary(); + var index = labelStack.push(1) - 1; + implicitLabels.push(index); + return index; + } + function popNamedLabel(label, outerState) { + var index = labelIndexMap[label.text]; + ts.Debug.assert(index !== undefined); + ts.Debug.assert(labelStack.length == index + 1); + labelIndexMap[label.text] = undefined; + setCurrentStateAtLabel(labelStack.pop(), outerState, label); + } + function popImplicitLabel(implicitLabelIndex, outerState) { + if (labelStack.length !== implicitLabelIndex + 1) { + ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); + } + var i = implicitLabels.pop(); + if (implicitLabelIndex !== i) { + ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); + } + setCurrentStateAtLabel(labelStack.pop(), outerState, undefined); + } + function setCurrentStateAtLabel(innerMergedState, outerState, label) { + if (innerMergedState === 1) { + if (label && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); + } + currentReachabilityState = outerState; + } + else { + currentReachabilityState = or(innerMergedState, outerState); + } + } + function jumpToLabel(label, outerState) { + initializeReachabilityStateIfNecessary(); + var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); + if (index === undefined) { + return false; + } + var stateAtLabel = labelStack[index]; + labelStack[index] = stateAtLabel === 1 ? outerState : or(stateAtLabel, outerState); + return true; + } + function checkUnreachable(node) { + switch (currentReachabilityState) { + case 4: + var reportError = (ts.isStatement(node) && node.kind !== 197) || + node.kind === 217 || + (node.kind === 221 && shouldReportErrorOnModuleDeclaration(node)) || + (node.kind === 220 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentReachabilityState = 8; + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 196 || + ts.getCombinedNodeFlags(node.declarationList) & 24576 || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + case 8: + return true; + default: + return false; + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + } + } + function initializeReachabilityStateIfNecessary() { + if (labelIndexMap) { + return; + } + currentReachabilityState = 2; + labelIndexMap = {}; + labelStack = []; + implicitLabels = []; + } + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; + } + return node.id; + } + ts.getNodeId = getNodeId; + ts.checkTime = 0; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; + } + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = {}; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var unknownSymbol = createSymbol(4 | 67108864, "unknown"); + var resolvingSymbol = createSymbol(67108864, "__resolving__"); + var anyType = createIntrinsicType(1, "any"); + var stringType = createIntrinsicType(2, "string"); + var numberType = createIntrinsicType(4, "number"); + var booleanType = createIntrinsicType(8, "boolean"); + var esSymbolType = createIntrinsicType(16777216, "symbol"); + var voidType = createIntrinsicType(16, "void"); + var undefinedType = createIntrinsicType(32 | 2097152, "undefined"); + var nullType = createIntrinsicType(64 | 2097152, "null"); + var unknownType = createIntrinsicType(1, "unknown"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyUnionType = emptyObjectType; + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = {}; + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + anyFunctionType.flags |= 8388608; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); + var globals = {}; + var globalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var globalTemplateStringsArrayType; + var globalESSymbolType; + var globalIterableType; + var globalIteratorType; + var globalIterableIteratorType; + var anyArrayType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var tupleTypes = {}; + var unionTypes = {}; + var intersectionTypes = {}; + var stringLiteralTypes = {}; + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var primitiveTypeInfo = { + "string": { + type: stringType, + flags: 258 + }, + "number": { + type: numberType, + flags: 132 + }, + "boolean": { + type: booleanType, + flags: 8 + }, + "symbol": { + type: esSymbolType, + flags: 16777216 + }, + "undefined": { + type: undefinedType, + flags: 2097152 + } + }; + var jsxElementType; + var jsxTypes = {}; + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = {}; + var assignableRelation = {}; + var identityRelation = {}; + var _displayBuilder; + var builtinGlobals = (_a = {}, + _a[undefinedSymbol.name] = undefinedSymbol, + _a + ); + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; + } + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); + } + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2) + result |= 107455; + if (flags & 1) + result |= 107454; + if (flags & 4) + result |= 107455; + if (flags & 8) + result |= 107455; + if (flags & 16) + result |= 106927; + if (flags & 32) + result |= 899519; + if (flags & 64) + result |= 792960; + if (flags & 256) + result |= 899327; + if (flags & 128) + result |= 899967; + if (flags & 512) + result |= 106639; + if (flags & 8192) + result |= 99263; + if (flags & 32768) + result |= 41919; + if (flags & 65536) + result |= 74687; + if (flags & 262144) + result |= 530912; + if (flags & 524288) + result |= 793056; + if (flags & 8388608) + result |= 8388608; + return result; + } + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; + } + mergedSymbols[source.mergeId] = target; + } + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = cloneSymbolTable(symbol.members); + if (symbol.exports) + result.exports = cloneSymbolTable(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + target.constEnumOnlyModule = false; + } + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 221 && source.valueDeclaration.kind !== 221))) { + target.valueDeclaration = source.valueDeclaration; + } + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = {}; + mergeSymbolTable(target.members, source.members); + } + if (source.exports) { + if (!target.exports) + target.exports = {}; + mergeSymbolTable(target.exports, source.exports); + } + recordMergedSymbol(target, source); + } + else { + var message_2 = target.flags & 2 || source.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + } + } + function cloneSymbolTable(symbolTable) { + var result = {}; + for (var id in symbolTable) { + if (ts.hasProperty(symbolTable, id)) { + result[id] = symbolTable[id]; + } + } + return result; + } + function mergeSymbolTable(target, source) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (!ts.hasProperty(target, id)) { + target[id] = source[id]; + } + else { + var symbol = target[id]; + if (!(symbol.flags & 33554432)) { + target[id] = symbol = cloneSymbol(symbol); + } + mergeSymbol(symbol, source[id]); + } + } + } + } + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + return; + } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); + } + else { + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); + if (!mainModule) { + return; + } + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1536) { + mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); + } + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); + } + } + } + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (ts.hasProperty(target, id)) { + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); + } + else { + target[id] = source[id]; + } + } + } + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } + } + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); + } + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); + } + function isGlobalSourceFile(node) { + return node.kind === 251 && !ts.isExternalOrCommonJsModule(node); + } + function getSymbol(symbols, name, meaning) { + if (meaning && ts.hasProperty(symbols, name)) { + var symbol = symbols[name]; + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608) { + var target = resolveAlias(symbol); + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } + } + } + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructoDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; + } + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + } + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); + } + if (declaration.pos <= usage.pos) { + return declaration.kind !== 214 || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); + } + return isUsedInFunctionOrNonStaticProperty(declaration, usage); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + if (declaration.parent.parent.kind === 196 || + declaration.parent.parent.kind === 202) { + return isSameScopeDescendentOf(usage, declaration, container); + } + else if (declaration.parent.parent.kind === 204 || + declaration.parent.parent.kind === 203) { + var expression = declaration.parent.parent.expression; + return isSameScopeDescendentOf(usage, expression, container); + } + } + function isUsedInFunctionOrNonStaticProperty(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 142 && + (current.parent.flags & 64) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; + } + } + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + loop: while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + if (meaning & result.flags & 793056 && lastLocation.kind !== 268) { + useResult = result.flags & 262144 + ? lastLocation === location.type || + lastLocation.kind === 139 || + lastLocation.kind === 138 + : false; + } + if (meaning & 107455 && result.flags & 1) { + useResult = + lastLocation.kind === 139 || + (lastLocation === location.type && + result.valueDeclaration.kind === 139); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location)) + break; + case 221: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 251 || ts.isAmbientModule(location)) { + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + if (ts.hasProperty(moduleExports, name) && + moduleExports[name].flags === 8388608 && + ts.getDeclarationOfKind(moduleExports[name], 233)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931)) { + break loop; + } + break; + case 220: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { + break loop; + } + break; + case 142: + case 141: + if (ts.isClassLike(location.parent) && !(location.flags & 64)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455)) { + propertyWithInvalidInitializer = location; + } + } + } + break; + case 217: + case 189: + case 218: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056)) { + if (lastLocation && lastLocation.flags & 64) { + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 189 && meaning & 32) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + case 137: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 218) { + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 177: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + break; + case 176: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; + } + } + break; + case 140: + if (location.parent && location.parent.kind === 139) { + location = location.parent; + } + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; + } + lastLocation = location; + location = location.parent; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } + } + return undefined; + } + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; + } + if (meaning & 2) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } + } + } + return result; + } + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if (!errorLocation || (errorLocation.kind === 69 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { + return false; + } + var container = ts.getThisContainer(errorLocation, true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + if (location === container && !(location.flags & 64)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; + } + return false; + } + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2) !== 0); + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + } + } + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; + } + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; + } + } + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 224) { + return node; + } + while (node && node.kind !== 225) { + node = node.parent; + } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 235) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + } + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793056 | 1536)) { + return valueSymbol; + } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; + return result; + } + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536) { + var exports = getExportsOfSymbol(symbol); + if (ts.hasProperty(exports, name)) { + return resolveSymbol(exports[name]); + } + } + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); + } + } + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_9 = specifier.propertyName || specifier.name; + if (name_9.text) { + var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); + var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); + } + return symbol; + } + } + } + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 | 793056 | 1536); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 224: + return getTargetOfImportEqualsDeclaration(node); + case 226: + return getTargetOfImportClause(node); + case 227: + return getTargetOfNamespaceImport(node); + case 229: + return getTargetOfImportSpecifier(node); + case 233: + return getTargetOfExportSpecifier(node); + case 230: + return getTargetOfExportAssignment(node); + } + } + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793056 | 1536)) ? resolveAlias(symbol) : symbol; + } + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; + } + else { + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); + } + } + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; + } + return links.target; + } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || + (target !== unknownSymbol && (target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); + } + } + } + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + if (node.kind === 230) { + checkExpressionCached(node.expression); + } + else if (node.kind === 233) { + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + checkExpressionCached(node.moduleReference); + } + } + } + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { + if (!importDeclaration) { + importDeclaration = ts.getAncestor(entityName, 224); + ts.Debug.assert(importDeclaration !== undefined); + } + if (entityName.kind === 69 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (entityName.kind === 69 || entityName.parent.kind === 136) { + return resolveEntityName(entityName, 1536); + } + else { + ts.Debug.assert(entityName.parent.kind === 224); + return resolveEntityName(entityName, 107455 | 793056 | 1536); + } + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + function resolveEntityName(name, meaning, ignoreErrors) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 69) { + var message = meaning === 1536 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; + } + } + else if (name.kind === 136 || name.kind === 169) { + var left = name.kind === 136 ? name.left : name.expression; + var right = name.kind === 136 ? name.right : name.name; + var namespace = resolveEntityName(left, 1536, ignoreErrors); + if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { + return undefined; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } + } + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + return symbol.flags & meaning ? symbol : resolveAlias(symbol); + } + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9) { + return; + } + var moduleReferenceLiteral = moduleReferenceExpression; + var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); + if (moduleName === undefined) { + return; + } + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512); + if (symbol) { + return getMergedSymbol(symbol); + } + } + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + return getMergedSymbol(sourceFile.symbol); + } + if (moduleNotFoundError) { + error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); + } + return undefined; + } + if (moduleNotFoundError) { + error(moduleReferenceLiteral, moduleNotFoundError, moduleName); + } + return undefined; + } + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 | 3))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !ts.hasProperty(target, id)) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; + } + } + else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; + } + else { + lookupTable[id].exportsWithDuplicate.push(exportNode); + } + } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + return visit(moduleSymbol) || moduleSymbol.exports; + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { + return; + } + visitedSymbols.push(symbol); + var symbols = cloneSymbolTable(symbol.exports); + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = {}; + var lookupTable = {}; + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); + } + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); + } + } + extendExportSymbols(symbols, nestedSymbols); + } + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + if (symbol.flags & 16777216) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + if (symbol.flags & 107455) { + return true; + } + if (symbol.flags & 8388608) { + return (resolveAlias(symbol).flags & 107455) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 145 && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + result.id = typeCount; + typeCount++; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createObjectType(kind, symbol) { + var type = createType(kind); + type.symbol = symbol; + return type; + } + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 && + name.charCodeAt(1) === 95 && + name.charCodeAt(2) !== 95 && + name.charCodeAt(2) !== 64; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (ts.hasProperty(members, id)) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); + } + } + } + } + return result || emptyArray; + } + function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexType) + type.stringIndexType = stringIndexType; + if (numberIndexType) + type.numberIndexType = numberIndexType; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + return setObjectTypeMembers(createObjectType(65536, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; + } + } + switch (location_1.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 221: + if (result = callback(getSymbolOfNode(location_1).exports)) { + return result; + } + break; + case 217: + case 218: + if (result = callback(getSymbolOfNode(location_1).members)) { + return result; + } + break; + } + } + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + return rightMeaning === 107455 ? 107455 : 1536; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { + return true; + } + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; + } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); + } + } + if (isAccessible(ts.lookUp(symbols, symbol.name))) { + return [symbol]; + } + return ts.forEachValue(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) { + if (!useOnlyExternalAliasing || + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); + } + } + } + }); + } + if (symbol) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); + } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + if (!ts.hasProperty(symbolTable, symbol.name)) { + return false; + } + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (symbolFromSymbolTable === symbol) { + return true; + } + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; + } + return false; + }); + return qualify; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536) : undefined + }; + } + return hasAccessibleDeclarations; + } + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); + } + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + return { + accessibility: 2, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; + } + } + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) + }; + } + return { accessibility: 0 }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); + } + } + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 251 && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(anyImportSyntax.flags & 2) && + isDeclarationVisible(anyImportSyntax.parent)) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); + } + } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } + return true; + } + return false; + } + return true; + } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + var meaning; + if (entityName.parent.kind === 155) { + meaning = 107455 | 1048576; + } + else if (entityName.kind === 136 || entityName.kind === 169 || + entityName.parent.kind === 224) { + meaning = 1536; + } + else { + meaning = 793056; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); + return (symbol && hasVisibleDeclarations(symbol)) || { + accessibility: 1, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 161) { + node = node.parent; + } + if (node.kind === 219) { + return getSymbolOfNode(node); + } + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 222 && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); + } + switch (declaration.kind) { + case 189: + return "(Anonymous class)"; + case 176: + case 177: + return "(Anonymous function)"; + } + } + return symbol.name; + } + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + if (flags & 1) { + if (symbol.flags & 16777216) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } + } + writePunctuation(writer, 21); + } + parentSymbol = symbol; + appendSymbolNameOnly(symbol, writer); + } + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning) { + if (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); + } + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } + } + else { + if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { + return; + } + if (symbol.flags & 2048 || symbol.flags & 4096) { + return; + } + appendParentTypeArgumentsAndSymbolName(symbol); + } + } + } + var isTypeParameter = symbol.flags & 262144; + var typeFormatFlag = 128 & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning); + return; + } + return appendParentTypeArgumentsAndSymbolName(symbol); + } + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + if (type.flags & 16777343) { + writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 33554432) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); + } + writer.writeKeyword("this"); + } + else if (type.flags & 4096) { + writeTypeReference(type, flags); + } + else if (type.flags & (1024 | 2048 | 128 | 512)) { + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056, 0, flags); + } + else if (type.flags & 8192) { + writeTupleType(type); + } + else if (type.flags & 49152) { + writeUnionOrIntersectionType(type, flags); + } + else if (type.flags & 65536) { + writeAnonymousType(type, flags); + } + else if (type.flags & 256) { + writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); + } + else { + writePunctuation(writer, 15); + writeSpace(writer); + writePunctuation(writer, 22); + writeSpace(writer); + writePunctuation(writer, 16); + } + } + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 24) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 24 ? 0 : 64); + } + } + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056, 0, flags); + } + if (pos < end) { + writePunctuation(writer, 25); + writeType(typeArguments[pos], 0); + pos++; + while (pos < end) { + writePunctuation(writer, 24); + writeSpace(writer); + writeType(typeArguments[pos], 0); + pos++; + } + writePunctuation(writer, 27); + } + } + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1)) { + writeType(typeArguments[0], 64); + writePunctuation(writer, 19); + writePunctuation(writer, 20); + } + else { + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + var start = i; + var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); + writePunctuation(writer, 21); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } + } + function writeTupleType(type) { + writePunctuation(writer, 19); + writeTypeList(type.elementTypes, 24); + writePunctuation(writer, 20); + } + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64) { + writePunctuation(writer, 17); + } + writeTypeList(type.types, type.flags & 16384 ? 47 : 46); + if (flags & 64) { + writePunctuation(writer, 18); + } + } + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + if (symbol.flags & (32 | 384 | 512)) { + writeTypeofSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeofSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056, 0, flags); + } + else { + writeKeyword(writer, 117); + } + } + else { + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 && + ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 251 || declaration.parent.kind === 222; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + return !!(flags & 2) || + (ts.contains(symbolStack, symbol)); + } + } + } + function writeTypeofSymbol(type, typeFormatFlags) { + writeKeyword(writer, 101); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); + } + function getIndexerParameterName(type, indexKind, fallbackName) { + var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); + if (!declaration) { + return fallbackName; + } + ts.Debug.assert(declaration.parameters.length !== 0); + return ts.declarationNameToString(declaration.parameters[0].name); + } + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 15); + writePunctuation(writer, 16); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 17); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 18); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 17); + } + writeKeyword(writer, 92); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 18); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 15); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + if (resolved.stringIndexType) { + writePunctuation(writer, 19); + writer.writeParameter(getIndexerParameterName(resolved, 0, "x")); + writePunctuation(writer, 54); + writeSpace(writer); + writeKeyword(writer, 130); + writePunctuation(writer, 20); + writePunctuation(writer, 54); + writeSpace(writer); + writeType(resolved.stringIndexType, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + if (resolved.numberIndexType) { + writePunctuation(writer, 19); + writer.writeParameter(getIndexerParameterName(resolved, 1, "x")); + writePunctuation(writer, 54); + writeSpace(writer); + writeKeyword(writer, 128); + writePunctuation(writer, 20); + writePunctuation(writer, 54); + writeSpace(writer); + writeType(resolved.numberIndexType, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + buildSymbolDisplay(p, writer); + if (p.flags & 536870912) { + writePunctuation(writer, 53); + } + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + } + else { + buildSymbolDisplay(p, writer); + if (p.flags & 536870912) { + writePunctuation(writer, 53); + } + writePunctuation(writer, 54); + writeSpace(writer); + writeType(t, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 16); + inObjectTypeLiteral = saveInObjectTypeLiteral; + } + } + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } + } + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 83); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 22); + } + appendSymbolNameOnly(p, writer); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 53); + } + writePunctuation(writer, 54); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + } + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 27); + } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0); + } + writePunctuation(writer, 27); + } + } + function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 17); + for (var i = 0; i < parameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 18); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); + } + else { + writeKeyword(writer, 97); + } + writeSpace(writer); + writeKeyword(writer, 124); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); + } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8) { + writeSpace(writer); + writePunctuation(writer, 34); + } + else { + writePunctuation(writer, 54); + } + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); + } + else { + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1) { + writeKeyword(writer, 92); + writeSpace(writer); + } + if (signature.target && (flags & 32)) { + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + } + buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); + } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); + } + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); + } + return links.isVisible; + } + return false; + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 166: + return isDeclarationVisible(node.parent.parent); + case 214: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + return false; + } + case 221: + case 217: + case 218: + case 219: + case 216: + case 220: + case 224: + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_5 = getDeclarationContainer(node); + if (!(ts.getCombinedNodeFlags(node) & 2) && + !(node.kind !== 224 && parent_5.kind !== 251 && ts.isInAmbientContext(parent_5))) { + return isGlobalSourceFile(parent_5); + } + return isDeclarationVisible(parent_5); + case 142: + case 141: + case 146: + case 147: + case 144: + case 143: + if (node.flags & (16 | 32)) { + return false; + } + case 145: + case 149: + case 148: + case 150: + case 139: + case 222: + case 153: + case 154: + case 156: + case 152: + case 157: + case 158: + case 159: + case 160: + case 161: + return isDeclarationVisible(node.parent); + case 226: + case 227: + case 229: + return false; + case 138: + case 251: + return true; + case 230: + return false; + default: + ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); + } + } + } + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 230) { + exportSymbol = resolveName(node.parent, node.text, 107455 | 793056 | 1536 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 233) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793056 | 1536 | 8388608); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); + } + } + }); + } + } + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; + } + return false; + } + resolutionTargets.push(target); + resolutionResults.push(true); + resolutionPropertyNames.push(propertyName); + return true; + } + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } + } + return -1; + } + function hasType(target, propertyName) { + if (propertyName === 0) { + return getSymbolLinks(target).type; + } + if (propertyName === 2) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1) { + ts.Debug.assert(!!(target.flags & 1024)); + return target.resolvedBaseConstructorType; + } + if (propertyName === 3) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + } + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); + while (node) { + switch (node.kind) { + case 214: + case 215: + case 229: + case 228: + case 227: + case 226: + node = node.parent; + break; + default: + return node.parent; + } + } + } + function getTypeOfPrototypeProperty(prototype) { + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + } + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; + } + function isTypeAny(type) { + return type && (type.flags & 1) !== 0; + } + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); + } + function getTextOfPropertyName(name) { + switch (name.kind) { + case 69: + return name.text; + case 9: + case 8: + return name.text; + case 137: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } + } + return undefined; + } + function isComputedNonLiteralName(name) { + return name.kind === 137 && !ts.isStringOrNumericLiteral(name.expression.kind); + } + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + if (parentType === unknownType) { + return unknownType; + } + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + return parentType; + } + var type; + if (pattern.kind === 164) { + var name_10 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_10)) { + return anyType; + } + var text = getTextOfPropertyName(name_10); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || + getIndexTypeOfType(parentType, 0); + if (!type) { + error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); + return unknownType; + } + } + else { + var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); + if (!declaration.dotDotDotToken) { + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; + } + } + else { + type = createArrayType(elementType); + } + } + return type; + } + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); + } + } + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; + } + if (declaration.kind === 214 && + declaration.parent.kind === 215 && + declaration.parent.parent.kind === 196) { + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; + } + } + else if (declaration.kind === 139) { + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; + } + } + return undefined; + } + function getTypeForVariableLikeDeclaration(declaration) { + if (declaration.parserContextFlags & 32) { + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } + } + if (declaration.parent.parent.kind === 203) { + return stringType; + } + if (declaration.parent.parent.kind === 204) { + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + } + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); + } + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139) { + var func = declaration.parent; + if (func.kind === 147 && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146); + if (getter) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); + } + } + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + if (declaration.kind === 249) { + return checkIdentifier(declaration.name); + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, false); + } + return undefined; + } + function getTypeFromBindingElement(element, includePatternInType) { + if (element.initializer) { + return getWidenedType(checkExpressionCached(element.initializer)); + } + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType); + } + return anyType; + } + function getTypeFromObjectBindingPattern(pattern, includePatternInType) { + var members = {}; + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; + } + if (hasComputedProperties) { + result.flags |= 67108864; + } + return result; + } + function getTypeFromArrayBindingPattern(pattern, includePatternInType) { + var elements = pattern.elements; + if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { + return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + } + var elementTypes = ts.map(elements, function (e) { return e.kind === 190 ? anyType : getTypeFromBindingElement(e, includePatternInType); }); + if (includePatternInType) { + var result = createNewTupleType(elementTypes); + result.pattern = pattern; + return result; + } + return createTupleType(elementTypes); + } + function getTypeFromBindingPattern(pattern, includePatternInType) { + return pattern.kind === 164 + ? getTypeFromObjectBindingPattern(pattern, includePatternInType) + : getTypeFromArrayBindingPattern(pattern, includePatternInType); + } + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + if (declaration.kind === 248) { + return type; + } + return getWidenedType(type); + } + type = declaration.dotDotDotToken ? anyArrayType : anyType; + if (reportErrors && compilerOptions.noImplicitAny) { + var root = ts.getRootDeclaration(declaration); + if (!isPrivateWithinAmbient(root) && !(root.kind === 139 && isPrivateWithinAmbient(root.parent))) { + reportImplicitAnyError(declaration, type); + } + } + return type; + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.flags & 134217728) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + var declaration = symbol.valueDeclaration; + if (declaration.parent.kind === 247) { + return links.type = anyType; + } + if (declaration.kind === 230) { + return links.type = checkExpression(declaration.expression); + } + if (declaration.kind === 184) { + return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); + } + if (declaration.kind === 169) { + if (declaration.parent.kind === 184) { + return links.type = checkExpressionCached(declaration.parent.right); + } + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = getWidenedTypeForVariableLikeDeclaration(declaration, true); + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; + } + return links.type; + } + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 146) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; + } + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var getter = ts.getDeclarationOfKind(symbol, 146); + var setter = ts.getDeclarationOfKind(symbol, 147); + var type = void 0; + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 146); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + } + } + links.type = type; + } + return links.type; + } + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = createObjectType(65536, symbol); + } + return links.type; + } + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + } + return links.type; + } + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + links.type = targetSymbol.flags & 107455 + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; + } + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; + } + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216) { + return getTypeOfInstantiatedSymbol(symbol); + } + if (symbol.flags & (3 | 4)) { + return getTypeOfVariableOrParameterOrProperty(symbol); + } + if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { + return getTypeOfFuncClassEnumModule(symbol); + } + if (symbol.flags & 8) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608) { + return getTypeOfAlias(symbol); + } + return unknownType; + } + function getTargetType(type) { + return type.flags & 4096 ? type.target : type; + } + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); + } + } + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; + } + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 217 || node.kind === 189 || + node.kind === 216 || node.kind === 176 || + node.kind === 144 || node.kind === 177) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } + } + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218); + return appendOuterTypeParameters(undefined, declaration); + } + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 218 || node.kind === 217 || + node.kind === 189 || node.kind === 219) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } + return result; + } + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + } + function isConstructorType(type) { + return type.flags & 80896 && getSignaturesOfType(type, 1).length > 0; + } + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + } + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + } + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; + } + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 80896) { + resolveStructuredTypeMembers(baseConstructorType); + } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; + } + return type.resolvedBaseConstructorType; + } + function getBaseTypes(type) { + var isClass = type.symbol.flags & 32; + var isInterface = type.symbol.flags & 64; + if (!type.resolvedBaseTypes) { + if (!isClass && !isInterface) { + ts.Debug.fail("type must be class or interface"); + } + if (isClass) { + resolveBaseTypesOfClass(type); + } + if (isInterface) { + resolveBaseTypesOfInterface(type); + } + } + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 80896)) { + return; + } + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && + areAllOuterTypeParametersApplied(originalBaseType)) { + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + } + else { + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; + } + baseType = getReturnTypeOfSignature(constructors[0]); + } + if (baseType === unknownType) { + return; + } + if (!(getTargetType(baseType).flags & (1024 | 2048))) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getTargetType(baseType).flags & (1024 | 2048)) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } + } + } + } + } + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218) { + if (declaration.flags & 262144) { + return false; + } + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isSupportedExpressionWithTypeArguments(node)) { + var baseSymbol = resolveEntityName(node.expression, 793056, true); + if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } + } + } + } + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 ? 1024 : 2048; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (outerTypeParameters || localTypeParameters || kind === 1024 || !isIndependentInterface(symbol)) { + type.flags |= 4096; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = {}; + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(512 | 33554432); + type.thisType.symbol = symbol; + type.thisType.constraint = type; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + if (!pushTypeResolution(symbol, 2)) { + return unknownType; + } + var declaration = ts.getDeclarationOfKind(symbol, 219); + var type = getTypeFromTypeNode(declaration.type); + if (popTypeResolution()) { + links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (links.typeParameters) { + links.instantiations = {}; + links.instantiations[getTypeListId(links.typeParameters)] = type; + } + } + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(128); + type.symbol = symbol; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(512); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 138).constraint) { + type.constraint = noConstraintType; + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0); + if (symbol.flags & (32 | 64)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 384) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 262144) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 8388608) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; + } + } + } + return true; + } + function isIndependentType(node) { + switch (node.kind) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 163: + return true; + case 157: + return isIndependentType(node.elementType); + case 152: + return isIndependentTypeReference(node); + } + return false; + } + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 145 && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; + } + } + return true; + } + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 142: + case 141: + return isIndependentVariableLikeDeclaration(declaration); + case 144: + case 143: + case 145: + return isIndependentFunctionLikeDeclaration(declaration); + } + } + } + return false; + } + function createSymbolTable(symbols) { + var result = {}; + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = {}; + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!ts.hasProperty(symbols, s.name)) { + symbols[s.name] = s; + } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0); + type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (type.flags & 4096) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper = identityMapper; + var members = source.symbol.members; + var callSignatures = source.declaredCallSignatures; + var constructSignatures = source.declaredConstructSignatures; + var stringIndexType = source.declaredStringIndexType; + var numberIndexType = source.declaredNumberIndexType; + if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexType = instantiateType(source.declaredStringIndexType, mapper); + numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); + } + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); + stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0); + numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1); + } + } + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasStringLiterals = hasStringLiterals; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, undefined, 0, false, false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); + } + } + return result; + } + function createTupleTypeMemberSymbols(memberTypes) { + var members = {}; + for (var i = 0; i < memberTypes.length; i++) { + var symbol = createSymbol(4 | 67108864, "" + i); + symbol.type = memberTypes[i]; + members[i] = symbol; + } + return members; + } + function resolveTupleTypeMembers(type) { + var arrayElementType = getUnionType(type.elementTypes, true); + var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); + var members = createTupleTypeMemberSymbols(type.elementTypes); + addInheritedMembers(members, arrayType.properties); + setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { + return s; + } + } + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + if (listIndex > 0) { + return undefined; + } + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, false, false)) { + return undefined; + } + } + return [signature]; + } + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true); + if (!match) { + return undefined; + } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); + } + } + return result; + } + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + if (!result || !findMatchingSignature(result, signature, false, true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); + } + } + } + } + return result || emptyArray; + } + function getUnionIndexType(types, kind) { + var indexTypes = []; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexType = getIndexTypeOfType(type, kind); + if (!indexType) { + return undefined; + } + indexTypes.push(indexType); + } + return getUnionType(indexTypes); + } + function resolveUnionTypeMembers(type) { + var callSignatures = getUnionSignatures(type.types, 0); + var constructSignatures = getUnionSignatures(type.types, 1); + var stringIndexType = getUnionIndexType(type.types, 0); + var numberIndexType = getUnionIndexType(type.types, 1); + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function resolveIntersectionTypeMembers(type) { + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexType = undefined; + var numberIndexType = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); + stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0)); + numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1)); + } + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); + var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0), type.mapper); + var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1), type.mapper); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else if (symbol.flags & 2048) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexType = getIndexTypeOfSymbol(symbol, 0); + var numberIndexType = getIndexTypeOfSymbol(symbol, 1); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else { + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952) { + members = getExportsOfSymbol(symbol); + } + if (symbol.flags & 32) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 80896) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); + } + } + var numberIndexType = (symbol.flags & 384) ? stringType : undefined; + setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); + if (symbol.flags & (16 | 8192)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } + } + } + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 4096) { + resolveTypeReferenceMembers(type); + } + else if (type.flags & (1024 | 2048)) { + resolveClassOrInterfaceMembers(type); + } + else if (type.flags & 65536) { + resolveAnonymousTypeMembers(type); + } + else if (type.flags & 8192) { + resolveTupleTypeMembers(type); + } + else if (type.flags & 16384) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 32768) { + resolveIntersectionTypeMembers(type); + } + } + return type; + } + function getPropertiesOfObjectType(type) { + if (type.flags & 80896) { + return resolveStructuredTypeMembers(type).properties; + } + return emptyArray; + } + function getPropertyOfObjectType(type, name) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + } + } + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getPropertyOfUnionOrIntersectionType(type, prop.name); + } + if (type.flags & 16384) { + break; + } + } + return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; + } + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 49152 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + } + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 512) { + constraintType = getConstraintOfTypeParameter(constraintType); + } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + } + return type.resolvedApparentType; + } + function getApparentType(type) { + if (type.flags & 512) { + type = getApparentTypeOfTypeParameter(type); + } + if (type.flags & 258) { + type = globalStringType; + } + else if (type.flags & 132) { + type = globalNumberType; + } + else if (type.flags & 8) { + type = globalBooleanType; + } + else if (type.flags & 16777216) { + type = globalESSymbolType; + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + var commonFlags = (containingType.flags & 32768) ? 536870912 : 0; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 | 32))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; + } + else if (!ts.contains(props, prop)) { + props.push(prop); + } + } + else if (containingType.flags & 16384) { + return undefined; + } + } + } + if (!props) { + return undefined; + } + if (props.length === 1) { + return props[0]; + } + var propTypes = []; + var declarations = []; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + propTypes.push(getTypeOfSymbol(prop)); + } + var result = createSymbol(4 | + 67108864 | + 268435456 | + commonFlags, name); + result.containingType = containingType; + result.declarations = declarations; + result.type = containingType.flags & 16384 ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getPropertyOfUnionOrIntersectionType(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = {}); + if (ts.hasProperty(properties, name)) { + return properties[name]; + } + var property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } + return property; + } + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol = getPropertyOfObjectType(globalFunctionType, name); + if (symbol) { + return symbol; + } + } + return getPropertyOfObjectType(globalObjectType, name); + } + if (type.flags & 49152) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; + } + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 130048) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; + } + return emptyArray; + } + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfStructuredType(type, kind) { + if (type.flags & 130048) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.stringIndexType : resolved.numberIndexType; + } + } + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.parserContextFlags & 32) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); + } + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); + } + } + return result; + } + function isOptionalParameter(node) { + if (node.parserContextFlags & 32) { + if (node.type && node.type.kind === 263) { + return true; + } + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 263; + } + } + } + if (ts.hasQuestionToken(node)) { + return true; + } + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; + } + return false; + } + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 69) { + var parameterName = node.parameterName; + return { + kind: 1, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; + } + else { + return { + kind: 0, + type: getTypeFromTypeNode(node.type) + }; + } + } + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var classType = declaration.kind === 145 ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var parameters = []; + var hasStringLiterals = false; + var minArgumentCount = -1; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + var returnType = undefined; + var typePredicate = undefined; + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); + paramSymbol = resolvedSymbol; + } + parameters.push(paramSymbol); + if (param.type && param.type.kind === 163) { + hasStringLiterals = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken) { + if (minArgumentCount < 0) { + minArgumentCount = i; + } + } + else { + minArgumentCount = -1; + } + } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length; + } + if (isJSConstructSignature) { + minArgumentCount--; + returnType = getTypeFromTypeNode(declaration.parameters[0].type); + } + else if (classType) { + returnType = classType; + } + else if (declaration.type) { + returnType = getTypeFromTypeNode(declaration.type); + if (declaration.type.kind === 151) { + typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); + } + } + else { + if (declaration.parserContextFlags & 32) { + var type = getReturnTypeFromJSDocComment(declaration); + if (type && type !== unknownType) { + returnType = type; + } + } + if (declaration.kind === 146 && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 147); + returnType = getAnnotatedAccessorType(setter); + } + if (!returnType && ts.nodeIsMissing(declaration.body)) { + returnType = anyType; + } + } + links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); + } + return links.resolvedSignature; + } + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 153: + case 154: + case 216: + case 144: + case 143: + case 145: + case 148: + case 149: + case 150: + case 146: + case 147: + case 176: + case 177: + case 264: + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); + } + } + return result; + } + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); + } + } + return anyType; + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3)) { + return unknownType; + } + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); + } + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); + } + else { + type = getReturnTypeFromBody(signature.declaration); + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } + } + signature.resolvedReturnType = type; + } + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (type.flags & 4096 && type.target === globalArrayType) { + return type.typeArguments[0]; + } + } + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + if (signature.target) { + signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); + } + else { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); + } + } + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 145 || signature.declaration.kind === 149; + var type = createObjectType(65536 | 262144); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; + } + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 ? 128 : 130; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; + } + } + } + } + return undefined; + } + function getIndexTypeOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + return declaration + ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType + : undefined; + } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 138).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && !(type.flags & 33554432) && type.flags & 512 && !ts.contains(checked, type)) { + if (type === target) { + return true; + } + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; + } + typeParameter.constraint = constraint; + } + } + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + } + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138).parent); + } + function getTypeListId(types) { + if (types) { + switch (types.length) { + case 1: + return "" + types[0].id; + case 2: + return types[0].id + "," + types[1].id; + default: + var result = ""; + for (var i = 0; i < types.length; i++) { + if (i > 0) { + result += ","; + } + result += types[i].id; + } + return result; + } + } + return ""; + } + function getPropagatingFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + result |= type.flags; + } + return result & 14680064; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + var flags = 4096 | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); + type = target.instantiations[id] = createObjectType(flags, target.symbol); + type.target = target; + type.typeArguments = typeArguments; + } + return type; + } + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); + return unknownType; + } + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; + } + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; + } + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return type; + } + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return getDeclaredTypeOfSymbol(symbol); + } + function getTypeReferenceName(node) { + switch (node.kind) { + case 152: + return node.typeName; + case 262: + return node.name; + case 191: + if (ts.isSupportedExpressionWithTypeArguments(node)) { + return node.expression; + } + } + return undefined; + } + function resolveTypeReferenceName(node, typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; + } + return resolveEntityName(typeReferenceName, 793056) || unknownSymbol; + } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; + } + if (symbol.flags & (32 | 64)) { + return getTypeFromClassOrInterfaceReference(node, symbol); + } + if (symbol.flags & 524288) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 && node.kind === 262) { + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 262) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(node, typeReferenceName); + type = getTypeReferenceType(node, symbol); + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + else { + var typeNameOrExpression = node.kind === 152 ? node.typeName : + ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : + undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); + } + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + return links.resolvedType; + } + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getWidenedType(checkExpression(node.exprName)); + } + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 217: + case 218: + case 220: + return declaration; + } + } + } + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 80896)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; + } + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); + } + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793056, ts.Diagnostics.Cannot_find_global_type_0); + } + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); + } + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + } + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1536, undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function getGlobalESSymbolConstructorSymbol() { + return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); + } + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(globalIterableType, [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); + } + return links.resolvedType; + } + function createTupleType(elementTypes) { + var id = getTypeListId(elementTypes); + return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); + } + function createNewTupleType(elementTypes) { + var type = createObjectType(8192 | getPropagatingFlagsOfTypes(elementTypes)); + type.elementTypes = elementTypes; + return type; + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function addTypeToSet(typeSet, type, typeSetKind) { + if (type.flags & typeSetKind) { + addTypesToSet(typeSet, type.types, typeSetKind); + } + else if (!ts.contains(typeSet, type)) { + typeSet.push(type); + } + } + function addTypesToSet(typeSet, types, typeSetKind) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToSet(typeSet, type, typeSetKind); + } + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } + } + return false; + } + function removeSubtypes(types) { + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + types.splice(i, 1); + } + } + } + function containsTypeAny(types) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var type = types_5[_i]; + if (isTypeAny(type)) { + return true; + } + } + return false; + } + function removeAllButLast(types, typeToRemove) { + var i = types.length; + while (i > 0 && types.length > 1) { + i--; + if (types[i] === typeToRemove) { + types.splice(i, 1); + } + } + } + function getUnionType(types, noSubtypeReduction) { + if (types.length === 0) { + return emptyUnionType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 16384); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (noSubtypeReduction) { + removeAllButLast(typeSet, undefinedType); + removeAllButLast(typeSet, nullType); + } + else { + removeSubtypes(typeSet); + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = unionTypes[id]; + if (!type) { + type = unionTypes[id] = createObjectType(16384 | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromUnionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), true); + } + return links.resolvedType; + } + function getIntersectionType(types) { + if (types.length === 0) { + return emptyObjectType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 32768); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + type = intersectionTypes[id] = createObjectType(32768 | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromIntersectionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createObjectType(65536, node.symbol); + } + return links.resolvedType; + } + function getStringLiteralTypeForText(text) { + if (ts.hasProperty(stringLiteralTypes, text)) { + return stringLiteralTypes[text]; + } + var type = stringLiteralTypes[text] = createType(256); + type.text = text; + return type; + } + function getTypeFromStringLiteralTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getStringLiteralTypeForText(node.text); + } + return links.resolvedType; + } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; + } + return links.resolvedType; + } + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNode); + links.resolvedType = createTupleType(types); + } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 218)) { + if (!(container.flags & 64) && + (container.kind !== 145 || ts.isNodeDescendentOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + } + } + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); + } + return links.resolvedType; + } + function getTypeFromTypeNode(node) { + switch (node.kind) { + case 117: + case 253: + case 254: + return anyType; + case 130: + return stringType; + case 128: + return numberType; + case 120: + return booleanType; + case 131: + return esSymbolType; + case 103: + return voidType; + case 162: + return getTypeFromThisTypeNode(node); + case 163: + return getTypeFromStringLiteralTypeNode(node); + case 152: + case 262: + return getTypeFromTypeReference(node); + case 151: + return booleanType; + case 191: + return getTypeFromTypeReference(node); + case 155: + return getTypeFromTypeQueryNode(node); + case 157: + case 255: + return getTypeFromArrayTypeNode(node); + case 158: + return getTypeFromTupleTypeNode(node); + case 159: + case 256: + return getTypeFromUnionTypeNode(node); + case 160: + return getTypeFromIntersectionTypeNode(node); + case 161: + case 258: + case 259: + case 266: + case 267: + case 263: + return getTypeFromTypeNode(node.type); + case 153: + case 154: + case 156: + case 264: + case 260: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + case 69: + case 136: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 257: + return getTypeFromJSDocTupleType(node); + case 265: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; + } + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; + } + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createTypeMapper(sources, targets) { + switch (sources.length) { + case 1: return createUnaryTypeMapper(sources[0], targets[0]); + case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); + } + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets[i]; + } + } + return t; + }; + } + function createUnaryTypeEraser(source) { + return function (t) { return t === source ? anyType : t; }; + } + function createBinaryTypeEraser(source1, source2) { + return function (t) { return t === source1 || t === source2 ? anyType : t; }; + } + function createTypeEraser(sources) { + switch (sources.length) { + case 1: return createUnaryTypeEraser(sources[0]); + case 2: return createBinaryTypeEraser(sources[0], sources[1]); + } + return function (t) { + for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { + var source = sources_1[_i]; + if (t === source) { + return anyType; + } + } + return t; + }; + } + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); + } + } + return t; + }; + mapper.context = context; + context.mapper = mapper; + } + return context.mapper; + } + function identityMapper(type) { + return type; + } + function combineTypeMappers(mapper1, mapper2) { + return function (t) { return instantiateType(mapper1(t), mapper2); }; + } + function cloneTypeParameter(typeParameter) { + var result = createType(512); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; + } + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; + } + else { + return { + kind: 0, + type: instantiateType(predicate.type, mapper) + }; + } + } + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; + } + } + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); + result.target = signature; + result.mapper = mapper; + return result; + } + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216) { + var links = getSymbolLinks(symbol); + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); + } + var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; + } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; + } + } + else { + mapper.instantiations = []; + } + var result = createObjectType(65536 | 131072, type.symbol); + result.target = type; + result.mapper = mapper; + mapper.instantiations[type.id] = result; + return result; + } + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 512) { + return mapper(type); + } + if (type.flags & 65536) { + return type.symbol && type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.flags & 4096) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + if (type.flags & 8192) { + return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); + } + if (type.flags & 16384) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), true); + } + if (type.flags & 32768) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); + } + } + return type; + } + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 176: + case 177: + return isContextSensitiveFunctionLikeDeclaration(node); + case 168: + return ts.forEach(node.properties, isContextSensitive); + case 167: + return ts.forEach(node.elements, isContextSensitive); + case 185: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 184: + return node.operatorToken.kind === 52 && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 248: + return isContextSensitive(node.initializer); + case 144: + case 143: + return isContextSensitiveFunctionLikeDeclaration(node); + case 175: + return isContextSensitive(node.expression); + } + return false; + } + function isContextSensitiveFunctionLikeDeclaration(node) { + return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(65536, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; + } + } + return type; + } + function isTypeIdenticalTo(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, undefined); + } + function compareTypesIdentical(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 : 0; + } + function compareTypesAssignable(source, target) { + return checkTypeRelatedTo(source, target, assignableRelation, undefined) ? -1 : 0; + } + function isTypeSubtypeOf(source, target) { + return checkTypeSubtypeOf(source, target, undefined); + } + function isTypeAssignableTo(source, target) { + return checkTypeAssignableTo(source, target, undefined); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + } + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + if (source === target) { + return -1; + } + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0; + } + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(t, s, false) || compareTypes(s, t, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0; + } + result &= related; + } + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); + } + return 0; + } + } + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } + } + return result; + } + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; + } + if (source.kind === 1) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; + } + } + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return related; + } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, undefined) + || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, undefined)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, true); + } + return false; + } + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + } + else { + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + } + } + else { + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; + } + } + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + } + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + } + return result !== 0; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + } + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, undefined, 128); + targetType = typeToString(target, undefined, 128); + } + reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); + } + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + if (source === target) + return -1; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isTypeAny(target)) + return -1; + if (source === undefinedType) + return -1; + if (source === nullType && target !== undefinedType) + return -1; + if (source.flags & 128 && target === numberType) + return -1; + if (source.flags & 128 && target.flags & 128) { + if (result = enumRelatedTo(source, target)) { + return result; + } + } + if (source.flags & 256 && target === stringType) + return -1; + if (relation === assignableRelation) { + if (isTypeAny(source)) + return -1; + if (source === numberType && target.flags & 128) + return -1; + } + if (source.flags & 8 && target.flags & 8) { + return -1; + } + if (source.flags & 1048576) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + if (target.flags & 49152) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + if (source.flags & 16384) { + if (result = eachTypeRelatedToType(source, target, reportErrors)) { + return result; + } + } + else if (target.flags & 32768) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else { + if (source.flags & 32768) { + if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384))) { + return result; + } + } + if (target.flags & 16384) { + if (result = typeRelatedToSomeType(source, target, reportErrors)) { + return result; + } + } + } + if (source.flags & 512) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1) { + constraint = emptyObjectType; + } + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + else { + if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + var apparentSource = getApparentType(source); + if (apparentSource.flags & (80896 | 32768) && target.flags & 80896) { + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + } + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + function isIdenticalTo(source, target) { + var result; + if (source.flags & 80896 && target.flags & 80896) { + if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, false); + } + if (source.flags & 16384 && target.flags & 16384 || + source.flags & 32768 && target.flags & 32768) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } + } + return 0; + } + function isKnownProperty(type, name) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || + resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 49152) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } + } + return false; + } + function hasExcessProperties(source, target, reportErrors) { + if (!(target.flags & 67108864) && someConstituentTypeHasKind(target, 80896)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } + return false; + } + function eachTypeRelatedToSomeType(source, target) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, false); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + for (var i = 0, len = targetTypes.length; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; + } + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + for (var i = 0, len = sourceTypes.length; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; + } + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2) { + relation[id] = 3; + } + else { + return related === 1 ? -1 : 0; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + if (maybeStack[i][id]) { + return 1; + } + } + if (depth === 100) { + overflow = true; + return 0; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = {}; + maybeStack[depth][id] = 1; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1, reportErrors); + if (result) { + result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); + if (result) { + result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); + } + } + } + } + } + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyMap(maybeCache, destinationCache); + } + else { + relation[id] = reportErrors ? 3 : 2; + } + return result; + } + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288); + for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { + var targetProp = properties_1[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0; + } + } + else if (!(targetProp.flags & 134217728)) { + var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); + if (sourcePropFlags & 16 || targetPropFlags & 16) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 16 && targetPropFlags & 16) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 ? source : target), typeToString(sourcePropFlags & 16 ? target : source)); + } + } + return 0; + } + } + else if (targetPropFlags & 32) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0; + } + } + else if (sourcePropFlags & 32) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0; + } + result &= related; + if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + } + } + } + return result; + } + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 80896 && target.flags & 80896)) { + return 0; + } + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0; + } + var result = -1; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 && sourceSignatures.length && targetSignatures.length && + isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + return 0; + } + var result = -1; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + if (!t.hasStringLiterals || target.flags & 262144) { + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + if (!s.hasStringLiterals || source.flags & 262144) { + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + } + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + } + return 0; + } + } + return result; + } + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); + } + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0; + } + var result = -1; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, isRelatedTo); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(0, source, target); + } + var targetType = getIndexTypeOfType(target, 0); + if (targetType) { + if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { + return -1; + } + var sourceType = getIndexTypeOfType(source, 0); + if (!sourceType) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; + } + var related = isRelatedTo(sourceType, targetType, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0; + } + return related; + } + return -1; + } + function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(1, source, target); + } + var targetType = getIndexTypeOfType(target, 1); + if (targetType) { + if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { + return -1; + } + var sourceStringType = getIndexTypeOfType(source, 0); + var sourceNumberType = getIndexTypeOfType(source, 1); + if (!(sourceStringType || sourceNumberType)) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; + } + var related = void 0; + if (sourceStringType && sourceNumberType) { + related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors); + } + else { + related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); + } + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0; + } + return related; + } + return -1; + } + function indexTypesIdenticalTo(indexKind, source, target) { + var targetType = getIndexTypeOfType(target, indexKind); + var sourceType = getIndexTypeOfType(source, indexKind); + if (!sourceType && !targetType) { + return -1; + } + if (sourceType && targetType) { + return isRelatedTo(sourceType, targetType); + } + return 0; + } + function enumRelatedTo(source, target) { + if (source.symbol.name !== target.symbol.name || + source.symbol.flags & 128 || + target.symbol.flags & 128) { + return 0; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8)) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); + return 0; + } + } + } + return -1; + } + } + function isAbstractConstructorType(type) { + if (type.flags & 65536) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && declaration.flags & 128) { + return true; + } + } + } + return false; + } + function isDeeplyNestedGeneric(type, stack, depth) { + if (type.flags & (4096 | 131072) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (t.flags & (4096 | 131072) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } + } + return false; + } + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; + } + function compareProperties(sourceProp, targetProp, compareTypes) { + if (sourceProp === targetProp) { + return -1; + } + var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 | 32); + var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 | 32); + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0; + } + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0; + } + } + else { + if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { + return 0; + } + } + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; + } + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || + source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { + return true; + } + return false; + } + function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { + if (source === target) { + return -1; + } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0; + } + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0; + } + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0; + } + result &= related; + } + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + return result; + } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + if (candidate !== type && !isTypeSubtypeOf(type, candidate)) + return false; + } + return true; + } + function getCommonSupertype(types) { + return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } + } + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; + } + if (bestSupertypeScore === types.length - 1) { + break; + } + } + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return type.flags & 4096 && type.target === globalArrayType; + } + function isArrayLikeType(type) { + return !(type.flags & (32 | 64)) && isTypeAssignableTo(type, anyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isStringLiteralType(type) { + return type.flags & 256; + } + function isTupleType(type) { + return !!(type.flags & 8192); + } + function getRegularTypeOfObjectLiteral(type) { + if (type.flags & 1048576) { + var regularType = type.regularType; + if (!regularType) { + regularType = createType(type.flags & ~1048576); + regularType.symbol = type.symbol; + regularType.members = type.members; + regularType.properties = type.properties; + regularType.callSignatures = type.callSignatures; + regularType.constructSignatures = type.constructSignatures; + regularType.stringIndexType = type.stringIndexType; + regularType.numberIndexType = type.numberIndexType; + type.regularType = regularType; + } + return regularType; + } + return type; + } + function getWidenedTypeOfObjectLiteral(type) { + var properties = getPropertiesOfObjectType(type); + var members = {}; + ts.forEach(properties, function (p) { + var propType = getTypeOfSymbol(p); + var widenedType = getWidenedType(propType); + if (propType !== widenedType) { + var symbol = createSymbol(p.flags | 67108864, p.name); + symbol.declarations = p.declarations; + symbol.parent = p.parent; + symbol.type = widenedType; + symbol.target = p; + if (p.valueDeclaration) + symbol.valueDeclaration = p.valueDeclaration; + p = symbol; + } + members[p.name] = p; + }); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType) + stringIndexType = getWidenedType(stringIndexType); + if (numberIndexType) + numberIndexType = getWidenedType(numberIndexType); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); + } + function getWidenedType(type) { + if (type.flags & 6291456) { + if (type.flags & (32 | 64)) { + return anyType; + } + if (type.flags & 524288) { + return getWidenedTypeOfObjectLiteral(type); + } + if (type.flags & 16384) { + return getUnionType(ts.map(type.types, getWidenedType), true); + } + if (isArrayType(type)) { + return createArrayType(getWidenedType(type.typeArguments[0])); + } + if (isTupleType(type)) { + return createTupleType(ts.map(type.elementTypes, getWidenedType)); + } + } + return type; + } + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 16384) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (isArrayType(type)) { + return reportWideningErrorsInType(type.typeArguments[0]); + } + if (isTupleType(type)) { + for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (type.flags & 524288) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 2097152) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); + } + errorReported = true; + } + } + } + return errorReported; + } + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { + case 142: + case 141: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 139: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 216: + case 144: + case 143: + case 146: + case 147: + case 176: + case 177: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; + } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); + } + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152) { + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } + } + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = sourceMax > targetMax ? sourceMax : targetMax; + sourceMax--; + targetMax--; + } + else if (source.hasRestParameter) { + sourceMax--; + count = targetMax; + } + else if (target.hasRestParameter) { + targetMax--; + count = sourceMax; + } + else { + count = sourceMax < targetMax ? sourceMax : targetMax; + } + for (var i = 0; i < count; i++) { + var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); + callback(s, t); + } + } + function createInferenceContext(typeParameters, inferUnionTypes) { + var inferences = ts.map(typeParameters, createTypeInferencesObject); + return { + typeParameters: typeParameters, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(typeParameters.length) + }; + } + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + isFixed: false + }; + } + function inferTypes(context, source, target) { + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + inferFromTypes(source, target); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; + } + function inferFromTypes(source, target) { + if (source.flags & 16384 && target.flags & 16384 || + source.flags & 32768 && target.flags & 32768) { + var matchingTypes = void 0; + for (var _i = 0, _a = target.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (typeIdenticalToSomeType(t, source.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + } + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 512) { + if (source.flags & 8388608) { + return; + } + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + } + return; + } + } + } + else if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (source.flags & 8192 && target.flags & 8192 && source.elementTypes.length === target.elementTypes.length) { + var sourceTypes = source.elementTypes; + var targetTypes = target.elementTypes; + for (var i = 0; i < sourceTypes.length; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 49152) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { + var t = targetTypes_2[_b]; + if (t.flags & 512 && ts.contains(context.typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + if (target.flags & 16384 && typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 49152) { + var sourceTypes = source.types; + for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { + var sourceType = sourceTypes_3[_c]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 80896 && (target.flags & 4096 && target.typeArguments || + target.flags & 8192 || + target.flags & 65536 && target.symbol && target.symbol.flags & (8192 | 2048 | 32))) { + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0); + inferFromSignatures(source, target, 1); + inferFromIndexTypes(source, target, 0, 0); + inferFromIndexTypes(source, target, 1, 1); + inferFromIndexTypes(source, target, 0, 1); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target, sourceKind, targetKind) { + var targetIndexType = getIndexTypeOfType(target, targetKind); + if (targetIndexType) { + var sourceIndexType = getIndexTypeOfType(source, sourceKind); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetIndexType); + } + } + } + } + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } + } + return false; + } + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); + } + } + return type.flags & 16384 ? getUnionType(reducedTypes, true) : getIntersectionType(reducedTypes); + } + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; + } + else { + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } + } + } + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + context.failedTypeParameterIndex = index; + } + } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; + } + return links.resolvedSymbol; + } + function isInTypeQuery(node) { + while (node) { + switch (node.kind) { + case 155: + return true; + case 69: + case 136: + node = node.parent; + continue; + default: + return false; + } + } + ts.Debug.fail("should not get here"); + } + function hasInitializer(node) { + return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); + } + function isVariableAssignedWithin(symbol, node) { + var links = getNodeLinks(node); + if (links.assignmentChecks) { + var cachedResult = links.assignmentChecks[symbol.id]; + if (cachedResult !== undefined) { + return cachedResult; + } + } + else { + links.assignmentChecks = {}; + } + return links.assignmentChecks[symbol.id] = isAssignedIn(node); + function isAssignedInBinaryExpression(node) { + if (node.operatorToken.kind >= 56 && node.operatorToken.kind <= 68) { + var n = skipParenthesizedNodes(node.left); + if (n.kind === 69 && getResolvedSymbol(n) === symbol) { + return true; + } + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedInVariableDeclaration(node) { + if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { + return true; + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedIn(node) { + switch (node.kind) { + case 184: + return isAssignedInBinaryExpression(node); + case 214: + case 166: + return isAssignedInVariableDeclaration(node); + case 164: + case 165: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 174: + case 192: + case 175: + case 182: + case 178: + case 181: + case 179: + case 180: + case 183: + case 187: + case 185: + case 188: + case 195: + case 196: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 207: + case 208: + case 209: + case 244: + case 245: + case 210: + case 211: + case 212: + case 247: + case 236: + case 237: + case 241: + case 242: + case 238: + case 243: + return ts.forEachChild(node, isAssignedIn); + } + return false; + } + } + function getNarrowedTypeOfSymbol(symbol, node) { + var type = getTypeOfSymbol(symbol); + if (node && symbol.flags & 3) { + if (isTypeAny(type) || type.flags & (80896 | 16384 | 512)) { + var declaration = ts.getDeclarationOfKind(symbol, 214); + var top_1 = declaration && getDeclarationContainer(declaration); + var originalType = type; + var nodeStack = []; + loop: while (node.parent) { + var child = node; + node = node.parent; + switch (node.kind) { + case 199: + case 185: + case 184: + nodeStack.push({ node: node, child: child }); + break; + case 251: + case 221: + break loop; + } + if (node === top_1) { + break; + } + } + var nodes = void 0; + while (nodes = nodeStack.pop()) { + var node_1 = nodes.node, child = nodes.child; + switch (node_1.kind) { + case 199: + if (child !== node_1.expression) { + type = narrowType(type, node_1.expression, child === node_1.thenStatement); + } + break; + case 185: + if (child !== node_1.condition) { + type = narrowType(type, node_1.condition, child === node_1.whenTrue); + } + break; + case 184: + if (child === node_1.right) { + if (node_1.operatorToken.kind === 51) { + type = narrowType(type, node_1.left, true); + } + else if (node_1.operatorToken.kind === 52) { + type = narrowType(type, node_1.left, false); + } + } + break; + default: + ts.Debug.fail("Unreachable!"); + } + if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { + type = originalType; + } + } + if (type === emptyUnionType) { + type = originalType; + } + } + } + return type; + function narrowTypeByEquality(type, expr, assumeTrue) { + if (expr.left.kind !== 179 || expr.right.kind !== 9) { + return type; + } + var left = expr.left; + var right = expr.right; + if (left.expression.kind !== 69 || getResolvedSymbol(left.expression) !== symbol) { + return type; + } + if (expr.operatorToken.kind === 33) { + assumeTrue = !assumeTrue; + } + var typeInfo = primitiveTypeInfo[right.text]; + if (typeInfo && typeInfo.type === undefinedType) { + return type; + } + var flags; + if (typeInfo) { + flags = typeInfo.flags; + } + else { + assumeTrue = !assumeTrue; + flags = 132 | 258 | 16777216 | 8; + } + if (!(type.flags & 16384)) { + if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { + return typeInfo.type; + } + return filterUnion(type) ? type : emptyUnionType; + } + return getUnionType(ts.filter(type.types, filterUnion), true); + function filterUnion(type) { + return assumeTrue === !!(type.flags & flags); + } + } + function narrowTypeByAnd(type, expr, assumeTrue) { + if (assumeTrue) { + return narrowType(narrowType(type, expr.left, true), expr.right, true); + } + else { + return getUnionType([ + narrowType(type, expr.left, false), + narrowType(type, expr.right, false) + ]); + } + } + function narrowTypeByOr(type, expr, assumeTrue) { + if (assumeTrue) { + return getUnionType([ + narrowType(type, expr.left, true), + narrowType(type, expr.right, true) + ]); + } + else { + return narrowType(narrowType(type, expr.left, false), expr.right, false); + } + } + function narrowTypeByInstanceof(type, expr, assumeTrue) { + if (isTypeAny(type) || expr.left.kind !== 69 || getResolvedSymbol(expr.left) !== symbol) { + return type; + } + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; + } + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; + } + } + if (!targetType) { + var constructSignatures = void 0; + if (rightType.flags & 2048) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (rightType.flags & 65536) { + constructSignatures = getSignaturesOfType(rightType, 1); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } + } + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; + } + function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { + if (!assumeTrue) { + if (originalType.flags & 16384) { + return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); + } + return originalType; + } + if (originalType.flags & 16384) { + var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); + if (assignableConstituents.length) { + return getUnionType(assignableConstituents); + } + } + if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { + return narrowedTypeCandidate; + } + return originalType; + } + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (type.flags & 1) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + if (callExpression.arguments[predicate.parameterIndex] && + getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); + } + return type; + } + function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { + if (invokedExpression.kind === 170 || invokedExpression.kind === 169) { + var accessExpression = invokedExpression; + var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); + if (possibleIdentifier.kind === 69 && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + return type; + } + function getSymbolAtTypePredicatePosition(expr) { + expr = skipParenthesizedNodes(expr); + switch (expr.kind) { + case 69: + case 169: + return getSymbolOfEntityNameOrPropertyAccessExpression(expr); + } + } + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 171: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 175: + return narrowType(type, expr.expression, assumeTrue); + case 184: + var operator = expr.operatorToken.kind; + if (operator === 32 || operator === 33) { + return narrowTypeByEquality(type, expr, assumeTrue); + } + else if (operator === 51) { + return narrowTypeByAnd(type, expr, assumeTrue); + } + else if (operator === 52) { + return narrowTypeByOr(type, expr, assumeTrue); + } + else if (operator === 91) { + return narrowTypeByInstanceof(type, expr, assumeTrue); + } + break; + case 182: + if (expr.operator === 49) { + return narrowType(type, expr.operand, !assumeTrue); + } + break; + } + return type; + } + } + function skipParenthesizedNodes(expression) { + while (expression.kind === 175) { + expression = expression.expression; + } + return expression; + } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (container.kind === 177) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); + } + } + if (node.parserContextFlags & 8) { + getNodeLinks(container).flags |= 8192; + } + } + if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + if (languageVersion === 2 + && localOrExportSymbol.flags & 32 + && localOrExportSymbol.valueDeclaration.kind === 217 + && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { + getNodeLinks(container).flags |= 524288; + getNodeLinks(node).flags |= 1048576; + break; + } + container = ts.getContainingClass(container); + } + } + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + return getNarrowedTypeOfSymbol(localOrExportSymbol, node); + } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; + } + current = current.parent; + } + return false; + } + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 || + (symbol.flags & (2 | 32)) === 0 || + symbol.valueDeclaration.parent.kind === 247) { + return; + } + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, false)) { + containedInIterationStatement = true; + break; + } + current = current.parent; + } + if (containedInIterationStatement) { + if (usedInFunction) { + getNodeLinks(current).flags |= 65536; + } + if (container.kind === 202 && + ts.getAncestor(symbol.valueDeclaration, 215).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152; + } + getNodeLinks(symbol.valueDeclaration).flags |= 262144; + } + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072; + } + } + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + while (current.parent.kind === 175) { + current = current.parent; + } + var isAssigned = false; + if (current.parent.kind === 184) { + isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); + } + if ((current.parent.kind === 182 || current.parent.kind === 183)) { + var expr = current.parent; + isAssigned = expr.operator === 41 || expr.operator === 42; + } + if (!isAssigned) { + return false; + } + while (current !== container) { + if (current === container.statement) { + return true; + } + else { + current = current.parent; + } + } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2; + if (container.kind === 142 || container.kind === 145) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4; + } + else { + getNodeLinks(container).flags |= 4; + } + } + function findFirstSuperCall(n) { + if (ts.isSuperCallExpression(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findFirstSuperCall); + } + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullType; + } + function checkThisExpression(node) { + var container = ts.getThisContainer(node, true); + var needToCaptureLexicalThis = false; + if (container.kind === 145) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + if (!superCall || superCall.end > node.pos) { + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + } + } + } + if (container.kind === 177) { + container = ts.getThisContainer(container, false); + needToCaptureLexicalThis = (languageVersion < 2); + } + switch (container.kind) { + case 221: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + break; + case 220: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + break; + case 145: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 142: + case 141: + if (container.flags & 64) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 137: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + return container.flags & 64 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + } + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } + if (container.kind === 176) { + if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { + var className = container.parent + .left + .expression + .expression; + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { + return getInferredClassType(classSymbol); + } + } + } + } + return anyType; + } + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } + } + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 139) { + return true; + } + } + return false; + } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 171 && node.parent.expression === node; + var container = ts.getSuperContainer(node, true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + while (container && container.kind === 177) { + container = ts.getSuperContainer(container, true); + needToCaptureLexicalThis = languageVersion < 2; + } + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + var current = node; + while (current && current !== container && current.kind !== 137) { + current = current.parent; + } + if (current && current.kind === 137) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); + } + return unknownType; + } + if ((container.flags & 64) || isCallExpression) { + nodeCheckFlag = 512; + } + else { + nodeCheckFlag = 256; + } + getNodeLinks(node).flags |= nodeCheckFlag; + if (container.kind === 144 && container.flags & 256) { + if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096; + } + else { + getNodeLinks(container).flags |= 2048; + } + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 168) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + return anyType; + } + } + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; + } + if (container.kind === 145 && isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; + } + return nodeCheckFlag === 512 + ? getBaseConstructorTypeOfClass(classType) + : baseClassType; + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + return container.kind === 145; + } + else { + if (ts.isClassLike(container.parent) || container.parent.kind === 168) { + if (container.flags & 64) { + return container.kind === 144 || + container.kind === 143 || + container.kind === 146 || + container.kind === 147; + } + else { + return container.kind === 144 || + container.kind === 143 || + container.kind === 146 || + container.kind === 147 || + container.kind === 142 || + container.kind === 141 || + container.kind === 145; + } + } + } + return false; + } + } + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { + if (isContextSensitive(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); + } + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + } + } + } + } + return undefined; + } + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, true); + } + } + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); + } + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } + } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 139 && node.parent.initializer === node) { + return true; + } + node = node.parent; + } + return false; + } + function getContextualReturnType(functionDecl) { + if (functionDecl.type || + functionDecl.kind === 145 || + functionDecl.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + } + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); + } + return undefined; + } + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedSignature(callTarget); + return getTypeAtPosition(signature, argIndex); + } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 173) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 56 && operator <= 68) { + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); + } + } + else if (operator === 52) { + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); + } + return type; + } + else if (operator === 51 || operator === 24) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); + } + } + return undefined; + } + function applyToContextualType(type, mapper) { + if (!(type.flags & 16384)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var current = types_8[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); + } + } + } + return mappedTypes ? getUnionType(mappedTypes) : mappedType; + } + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 130048 ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); + } + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + } + function contextualTypeIsStringLiteralType(type) { + return !!(type.flags & 16384 ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); + } + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 16384 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + } + function contextualTypeHasIndexSignature(type, kind) { + return !!(type.flags & 16384 ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); + } + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; + } + } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || + getIndexTypeOfContextualType(type, 0); + } + return undefined; + } + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1) + || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); + } + return undefined; + } + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 241) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); + } + else if (attribute.kind === 242) { + return attrsType; + } + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); + } + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 214: + case 139: + case 142: + case 141: + case 166: + return getContextualTypeForInitializerExpression(node); + case 177: + case 207: + return getContextualTypeForReturnExpression(node); + case 187: + return getContextualTypeForYieldOperand(parent); + case 171: + case 172: + return getContextualTypeForArgument(parent, node); + case 174: + case 192: + return getTypeFromTypeNode(parent.type); + case 184: + return getContextualTypeForBinaryOperand(node); + case 248: + return getContextualTypeForObjectLiteralElement(parent); + case 167: + return getContextualTypeForElementExpression(node); + case 185: + return getContextualTypeForConditionalOperand(node); + case 193: + ts.Debug.assert(parent.parent.kind === 186); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 175: + return getContextualType(parent); + case 243: + return getContextualType(parent); + case 241: + case 242: + return getContextualTypeForJsxAttribute(parent); + } + return undefined; + } + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; + } + } + } + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 176 || node.kind === 177; + } + function getContextualSignatureForFunctionLikeDeclaration(node) { + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; + } + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var type = ts.isObjectLiteralMethod(node) + ? getContextualTypeForObjectLiteralMethod(node) + : getApparentTypeOfContextualType(node); + if (!type) { + return undefined; + } + if (!(type.flags & 16384)) { + return getNonGenericSignature(type); + } + var signatureList; + var types = type.types; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var current = types_9[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, compareTypesIdentical)) { + return undefined; + } + else { + signatureList.push(signature); + } + } + } + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; + } + return result; + } + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + function isAssignmentTarget(node) { + var parent = node.parent; + if (parent.kind === 184 && parent.operatorToken.kind === 56 && parent.left === node) { + return true; + } + if (parent.kind === 248) { + return isAssignmentTarget(parent.parent); + } + if (parent.kind === 167) { + return isAssignmentTarget(parent); + } + return false; + } + function checkSpreadElementExpression(node, contextualMapper) { + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + } + function hasDefaultValue(node) { + return (node.kind === 166 && !!node.initializer) || + (node.kind === 184 && node.operatorToken.kind === 56); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 188) { + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1) || + (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); + } + } + else { + var type = checkExpression(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 188; + } + if (!hasSpreadElement) { + if (inDestructuringPattern && elementTypes.length) { + var type = createNewTupleType(elementTypes); + type.pattern = node; + return type; + } + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + if (pattern && (pattern.kind === 165 || pattern.kind === 167)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.elementTypes[i]); + } + else { + if (patternElement.kind !== 190) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } + } + } + return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); + } + function isNumericName(name) { + return name.kind === 137 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); + } + function isNumericLiteralName(name) { + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 | 258 | 16777216)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); + } + } + return links.resolvedType; + } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = isAssignmentTarget(node); + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = {}; + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 164 || contextualType.pattern.kind === 168); + var typeFlags = 0; + var patternWithComputedProperties = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 248 || + memberDecl.kind === 249 || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 248) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 144) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 249); + type = checkExpression(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 | 67108864 | member.flags, member.name); + if (inDestructuringPattern) { + var isOptional = (memberDecl.kind === 248 && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 249 && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912; + } + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; + } + } + else if (contextualTypeHasPattern && !(contextualType.flags & 67108864)) { + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912; + } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); + } + } + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + ts.Debug.assert(memberDecl.kind === 146 || memberDecl.kind === 147); + checkAccessorDeclaration(memberDecl); + } + if (!ts.hasDynamicName(memberDecl)) { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); + } + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!ts.hasProperty(propertiesTable, prop.name)) { + if (!(prop.flags & 536870912)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); + } + } + } + var stringIndexType = getIndexType(0); + var numberIndexType = getIndexType(1); + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576; + result.flags |= 524288 | 4194304 | freshObjectLiteralFlag | (typeFlags & 14680064) | (patternWithComputedProperties ? 67108864 : 0); + if (inDestructuringPattern) { + result.pattern = node; + } + return result; + function getIndexType(kind) { + if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { + var propTypes = []; + for (var i = 0; i < propertiesArray.length; i++) { + var propertyDecl = node.properties[i]; + if (kind === 0 || isNumericName(propertyDecl.name)) { + var type = getTypeOfSymbol(propertiesArray[i]); + if (!ts.contains(propTypes, type)) { + propTypes.push(type); + } + } + } + var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; + typeFlags |= result_1.flags; + return result_1; + } + return undefined; + } + } + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; + } + function checkJsxElement(node) { + checkJsxOpeningLikeElement(node.openingElement); + getJsxElementTagSymbol(node.closingElement); + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 243: + checkJsxExpression(child); + break; + case 236: + checkJsxElement(child); + break; + case 237: + checkJsxSelfClosingElement(child); + break; + } + } + return jsxElementType || anyType; + } + function isUnhyphenatedJsxName(name) { + return name.indexOf("-") < 0; + } + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 136) { + return false; + } + else { + return ts.isIntrinsicJsxName(tagName.text); + } + } + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + var indexerType = getIndexTypeOfType(elementAttributesType, 0); + if (indexerType) { + correspondingPropType = indexerType; + } + else { + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } + } + } + } + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); + } + else { + exprType = booleanType; + } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); + } + nameTable[node.name.text] = true; + return exprType; + } + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } + } + return type; + } + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; + } + return jsxTypes[name]; + } + function getJsxElementTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + links.resolvedSymbol = lookupIntrinsicTag(node); + } + else { + links.resolvedSymbol = lookupClassTag(node); + } + } + return links.resolvedSymbol; + function lookupIntrinsicTag(node) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1; + return intrinsicProp; + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + links.jsxFlags |= 2; + return intrinsicElementsType.symbol; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); + } + return unknownSymbol; + } + } + function lookupClassTag(node) { + var valueSymbol = resolveJsxTagName(node); + if (valueSymbol && valueSymbol !== unknownSymbol) { + links.jsxFlags |= 4; + if (valueSymbol.flags & 8388608) { + markAliasSymbolAsReferenced(valueSymbol); + } + } + return valueSymbol || unknownSymbol; + } + function resolveJsxTagName(node) { + if (node.tagName.kind === 69) { + var tag = node.tagName; + var sym = getResolvedSymbol(tag); + return sym.exportSymbol || sym; + } + else { + return checkQualifiedName(node.tagName).symbol; + } + } + } + function getJsxElementInstanceType(node) { + ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4), "Should not call getJsxElementInstanceType on non-class Element"); + var classSymbol = getJsxElementTagSymbol(node); + if (classSymbol === unknownSymbol) { + return anyType; + } + var valueType = getTypeOfSymbol(classSymbol); + if (isTypeAny(valueType)) { + return anyType; + } + var signatures = getSignaturesOfType(valueType, 1); + if (signatures.length === 0) { + signatures = getSignaturesOfType(valueType, 0); + if (signatures.length === 0) { + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; + } + } + return getUnionType(signatures.map(getReturnTypeOfSignature)); + } + function getJsxElementPropertiesName() { + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536, undefined); + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056); + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + if (attribProperties.length === 0) { + return ""; + } + else if (attribProperties.length === 1) { + return attribProperties[0].name; + } + else { + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; + } + } + else { + return undefined; + } + } + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + var sym = getJsxElementTagSymbol(node); + if (links.jsxFlags & 4) { + var elemInstanceType = getJsxElementInstanceType(node); + var elemClassType = getJsxGlobalElementClassType(); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + var elemType = getTypeOfSymbol(sym); + var callSignatures = elemType && getSignaturesOfType(elemType, 0); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return links.resolvedJsxType = paramType; + } + } + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); + } + if (isTypeAny(elemInstanceType)) { + return links.resolvedJsxType = elemInstanceType; + } + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + return links.resolvedJsxType = anyType; + } + else if (propsName === "") { + return links.resolvedJsxType = elemInstanceType; + } + else { + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + return links.resolvedJsxType = emptyObjectType; + } + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + return links.resolvedJsxType = attributesType; + } + else if (attributesType.flags & 16384) { + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return links.resolvedJsxType = anyType; + } + else { + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return links.resolvedJsxType = apparentAttributesType; + } + } + } + else if (links.jsxFlags & 1) { + return links.resolvedJsxType = getTypeOfSymbol(sym); + } + else if (links.jsxFlags & 2) { + return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0); + } + else { + return links.resolvedJsxType = anyType; + } + } + return links.resolvedJsxType; + } + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; + } + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; + } + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; + } + function checkJsxPreconditions(errorNode) { + if ((compilerOptions.jsx || 0) === 0) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); + } + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + } + } + } + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); + if (reactSym) { + getSymbolLinks(reactSym).referenced = true; + } + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = {}; + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 241) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); + } + else { + ts.Debug.assert(node.attributes[i].kind === 242); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; + } + } + } + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912) && + nameTable[targetProperties[i].name] === undefined) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } + } + } + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); + } + else { + return unknownType; + } + } + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 142; + } + function getDeclarationFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 8 | 64 : 0; + } + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + if (left.kind === 95) { + var errorNode = node.kind === 169 ? + node.name : + node.right; + if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 144) { + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; + } + if (flags & 128) { + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; + } + } + if (!(flags & (16 | 32))) { + return true; + } + var enclosingClassDeclaration = ts.getContainingClass(node); + var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; + if (flags & 16) { + if (declaringClass !== enclosingClass) { + error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; + } + return true; + } + if (left.kind === 95) { + return true; + } + if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + if (flags & 64) { + return true; + } + if (type.flags & 33554432) { + type = getConstraintOfTypeParameter(type); + } + if (!(getTargetType(type).flags & (1024 | 2048) && hasBaseType(type, enclosingClass))) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; + } + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + } + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkExpression(left); + if (isTypeAny(type)) { + return type; + } + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType) { + return unknownType; + } + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text) { + error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 ? apparentType : type)); + } + return unknownType; + } + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32) { + checkClassPropertyAccess(node, left, apparentType, prop); + } + return getTypeOfSymbol(prop); + } + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 169 + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32) { + return checkClassPropertyAccess(node, left, type, prop); + } + } + return true; + } + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 215) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); + } + } + else if (initializer.kind === 69) { + return getResolvedSymbol(initializer); + } + return undefined; + } + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + } + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 69) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 203 && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; + } + child = node; + node = node.parent; + } + } + } + return false; + } + function checkIndexedAccess(node) { + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 172 && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } + } + var objectType = getApparentType(checkExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType) { + return unknownType; + } + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; + } + if (node.argumentExpression) { + var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_11 !== undefined) { + var prop = getPropertyOfType(objectType, name_11); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); + return unknownType; + } + } + } + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 | 132 | 16777216)) { + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexType = getIndexTypeOfType(objectType, 1); + if (numberIndexType) { + return numberIndexType; + } + } + var stringIndexType = getIndexTypeOfType(objectType, 0); + if (stringIndexType) { + return stringIndexType; + } + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + } + return anyType; + } + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 170 || indexArgumentExpression.kind === 169) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); + } + } + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; + } + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + return false; + } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + if ((expressionType.flags & 16777216) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + } + return false; + } + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + } + return false; + } + return true; + } + function resolveUntypedCall(node) { + if (node.kind === 173) { + checkExpression(node.template); + } + else if (node.kind !== 140) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); + } + return anySignature; + } + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_6 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_6 === lastParent) { + index++; + } + else { + lastParent = parent_6; + index = cutoffIndex; + } + } + else { + index = cutoffIndex = result.length; + lastParent = parent_6; + } + lastSymbol = symbol; + if (signature.hasStringLiterals) { + specializedIndex++; + spliceIndex = specializedIndex; + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); + } + } + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 188) { + return i; + } + } + return -1; + } + function hasCorrectArity(node, args, signature) { + var adjustedArgCount; + var typeArguments; + var callIsIncomplete; + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 173) { + var tagExpression = node; + adjustedArgCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 186) { + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 11); + callIsIncomplete = !!templateLiteral.isUnterminated; + } + } + else if (node.kind === 140) { + isDecorator = true; + typeArguments = undefined; + adjustedArgCount = getEffectiveArgumentCount(node, undefined, signature); + } + else { + var callExpression = node; + if (!callExpression.arguments) { + ts.Debug.assert(callExpression.kind === 172); + return signature.minArgumentCount === 0; + } + adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); + } + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { + return false; + } + var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; + } + function getSingleCallSignature(type) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { + return resolved.callSignatures[0]; + } + } + return undefined; + } + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature.typeParameters, true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + for (var i = 0; i < typeParameters.length; i++) { + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; + } + } + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; + } + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 190) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + if (argType === undefined) { + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); + } + } + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } + } + getInferredTypes(context); + } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; + } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); + } + } + } + return typeArgumentsAreAssignable; + } + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 190) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + if (argType === undefined) { + argType = arg.kind === 9 && !reportErrors + ? getStringLiteralTypeForText(arg.text) + : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); + } + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; + } + } + } + return true; + } + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 173) { + var template = node.template; + args = [undefined]; + if (template.kind === 186) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 140) { + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; + } + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 140) { + switch (node.parent.kind) { + case 217: + case 189: + return 1; + case 142: + return 2; + case 144: + case 146: + case 147: + if (languageVersion === 0) { + return 2; + } + return signature.parameters.length >= 3 ? 3 : 2; + case 139: + return 3; + } + } + else { + return args.length; + } + } + function getEffectiveDecoratorFirstArgumentType(node) { + if (node.kind === 217) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + if (node.kind === 139) { + node = node.parent; + if (node.kind === 145) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + } + if (node.kind === 142 || + node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorSecondArgumentType(node) { + if (node.kind === 217) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 139) { + node = node.parent; + if (node.kind === 145) { + return anyType; + } + } + if (node.kind === 142 || + node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + var element = node; + switch (element.name.kind) { + case 69: + case 8: + case 9: + return getStringLiteralTypeForText(element.name.text); + case 137: + var nameType = checkComputedPropertyName(element.name); + if (allConstituentTypesHaveKind(nameType, 16777216)) { + return nameType; + } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; + } + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorThirdArgumentType(node) { + if (node.kind === 217) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 139) { + return numberType; + } + if (node.kind === 142) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); + } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; + } + function getEffectiveArgumentType(node, argIndex, arg) { + if (node.kind === 140) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 173) { + return globalTemplateStringsArrayType; + } + return undefined; + } + function getEffectiveArgument(node, args, argIndex) { + if (node.kind === 140 || + (argIndex === 0 && node.kind === 173)) { + return undefined; + } + return args[argIndex]; + } + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 140) { + return node.expression; + } + else if (argIndex === 0 && node.kind === 173) { + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 173; + var isDecorator = node.kind === 140; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + if (node.expression.kind !== 95) { + ts.forEach(typeArguments, checkSourceElement); + } + } + var candidates = candidatesOutArray || []; + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + var excludeArgument; + if (!isDecorator) { + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); + } + excludeArgument[i] = true; + } + } + } + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation); + } + if (!result) { + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation); + } + if (result) { + return result; + } + if (candidateForArgumentError) { + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); + } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); + } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); + } + } + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); + } + return candidate; + } + } + } + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + } + function chooseOverload(candidates, relation) { + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate)) { + continue; + } + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate.typeParameters, false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); + } + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { + break; + } + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; + } + excludeArgument[index] = false; + } + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; + } + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } + } + } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } + } + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 95) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); + } + return resolveUntypedCall(node); + } + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + } + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); + } + } + var expressionType = checkExpression(node.expression); + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + return resolveErrorCall(node); + } + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && valueDecl.flags & 128) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); + } + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + var constructSignatures = getSignaturesOfType(expressionType, 1); + if (constructSignatures.length) { + return resolveCall(node, constructSignatures, candidatesOutArray); + } + var callSignatures = getSignaturesOfType(expressionType, 0); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + } + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384) && isTypeAssignableTo(tagType, globalFunctionType))) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { + case 217: + case 189: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 139: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 142: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 144: + case 146: + case 147: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + } + } + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + if (!links.resolvedSignature || candidatesOutArray) { + links.resolvedSignature = anySignature; + if (node.kind === 171) { + links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); + } + else if (node.kind === 172) { + links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); + } + else if (node.kind === 173) { + links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); + } + else if (node.kind === 140) { + links.resolvedSignature = resolveDecorator(node, candidatesOutArray); + } + else { + ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); + } + } + return links.resolvedSignature; + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, undefined, undefined); + } + return links.inferredClassType; + } + function checkCallExpression(node) { + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 95) { + return voidType; + } + if (node.kind === 172) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 145 && + declaration.kind !== 149 && + declaration.kind !== 154 && + !ts.isJSDocConstructSignature(declaration)) { + var funcSymbol = checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16)) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, true)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + var bothAreStringLike = someConstituentTypeHasKind(targetType, 258) && + someConstituentTypeHasKind(widenedType, 258); + if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { + checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); + } + } + return targetType; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190) { + if (element.name.kind === 69) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); + } + assignBindingElementTypes(element); + } + } + } + } + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); + } + return emptyObjectType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 195) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); + } + return iterableIteratorAny; + } + } + else { + types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); + if (types.length === 0) { + if (isAsync) { + var promiseType = createPromiseType(voidType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return voidType; + } + } + } + type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); + if (!type) { + if (funcIsGenerator) { + error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); + return createIterableIteratorType(unknownType); + } + else { + error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); + return getUnionType(types); + } + } + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } + } + if (!contextualSignature) { + reportErrorsFromWidening(func, type); + } + var widenedType = getWidenedType(type); + if (isAsync) { + var promiseType = createPromiseType(widenedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return widenedType; + } + } + function checkAndAggregateYieldOperandTypes(body, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + type = checkElementTypeOfIterable(type, yieldExpression.expression); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { + var aggregatedTypes = []; + ts.forEachReturnStatement(body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { + return; + } + if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384) && someConstituentTypeHasKind(returnType, 1 | 16))) { + return; + } + if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 || !(func.flags & 524288)) { + return; + } + var hasExplicitReturn = func.flags & 1048576; + if (returnType && !hasExplicitReturn) { + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); + } + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + var inferredReturnType = hasExplicitReturn + ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) + : voidType; + if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { + return; + } + } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 176) { + checkGrammarForGenerator(node); + } + if (contextualMapper === identityMapper && isContextSensitive(node)) { + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + if (mightFixTypeParameters || !(links.flags & 1024)) { + var contextualSignature = getContextualSignature(node); + var contextChecked = !!(links.flags & 1024); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; + } + } + } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } + } + } + if (produceDiagnostics && node.kind !== 144 && node.kind !== 143) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + } + return type; + } + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (node.body) { + if (!node.type) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 195) { + checkSourceElement(node.body); + } + else { + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } + } + } + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132)) { + error(operand, diagnostic); + return false; + } + return true; + } + function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { + function findSymbol(n) { + var symbol = getNodeLinks(n).resolvedSymbol; + return symbol && getExportSymbolOfValueSymbolIfExported(symbol); + } + function isReferenceOrErrorExpression(n) { + switch (n.kind) { + case 69: { + var symbol = findSymbol(n); + return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3) !== 0; + } + case 169: { + var symbol = findSymbol(n); + return !symbol || symbol === unknownSymbol || (symbol.flags & ~8) !== 0; + } + case 170: + return true; + case 175: + return isReferenceOrErrorExpression(n.expression); + default: + return false; + } + } + function isConstVariableReference(n) { + switch (n.kind) { + case 69: + case 169: { + var symbol = findSymbol(n); + return symbol && (symbol.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384) !== 0; + } + case 170: { + var index = n.argumentExpression; + var symbol = findSymbol(n.expression); + if (symbol && index && index.kind === 9) { + var name_12 = index.text; + var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); + return prop && (prop.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384) !== 0; + } + return false; + } + case 175: + return isConstVariableReference(n.expression); + default: + return false; + } + } + if (!isReferenceOrErrorExpression(n)) { + error(n, invalidReferenceMessage); + return false; + } + if (isConstVariableReference(n)) { + error(n, constantVariableMessage); + return false; + } + return true; + } + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; + } + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedType; + } + function checkAwaitExpression(node) { + if (produceDiagnostics) { + if (!(node.parserContextFlags & 8)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); + } + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + switch (node.operator) { + case 35: + case 36: + case 50: + if (someConstituentTypeHasKind(operandType, 16777216)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 49: + return booleanType; + case 41: + case 42: + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + return unknownType; + } + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + function someConstituentTypeHasKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152) { + var types = type.types; + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var current = types_10[_i]; + if (current.flags & kind) { + return true; + } + } + return false; + } + return false; + } + function allConstituentTypesHaveKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152) { + var types = type.types; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var current = types_11[_i]; + if (!(current.flags & kind)) { + return false; + } + } + return true; + } + return false; + } + function isConstEnumObjectType(type) { + return type.flags & (80896 | 65536) && type.symbol && isConstEnumSymbol(type.symbol); + } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128) !== 0; + } + function checkInstanceOfExpression(left, right, leftType, rightType) { + if (allConstituentTypesHaveKind(leftType, 16777726)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + } + return booleanType; + } + function checkInExpression(left, right, leftType, rightType) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 | 132 | 16777216)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); + } + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + return booleanType; + } + function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { + var properties = node.properties; + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var p = properties_3[_i]; + if (p.kind === 248 || p.kind === 249) { + var name_13 = p.name; + if (name_13.kind === 137) { + checkComputedPropertyName(name_13); + } + if (isComputedNonLiteralName(name_13)) { + continue; + } + var text = getTextOfPropertyName(name_13); + var type = isTypeAny(sourceType) + ? sourceType + : getTypeOfPropertyOfType(sourceType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1) || + getIndexTypeOfType(sourceType, 0); + if (type) { + if (p.kind === 249) { + checkDestructuringAssignment(p, type); + } + else { + checkDestructuringAssignment(p.initializer, type); + } + } + else { + error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); + } + } + else { + error(p, ts.Diagnostics.Property_assignment_expected); + } + } + return sourceType; + } + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190) { + if (e.kind !== 188) { + var propName = "" + i; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + checkDestructuringAssignment(e, type, contextualMapper); + } + else { + if (isTupleType(sourceType)) { + error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); + } + else { + error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + } + } + } + else { + if (i < elements.length - 1) { + error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + else { + var restExpression = e.expression; + if (restExpression.kind === 184 && restExpression.operatorToken.kind === 56) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } + } + } + } + } + return sourceType; + } + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 249) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; + } + else { + target = exprOrAssignment; + } + if (target.kind === 184 && target.operatorToken.kind === 56) { + checkBinaryExpression(target, contextualMapper); + target = target.left; + } + if (target.kind === 168) { + return checkObjectLiteralAssignment(target, sourceType, contextualMapper); + } + if (target.kind === 167) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + } + return checkReferenceAssignment(target, sourceType, contextualMapper); + } + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { + checkTypeAssignableTo(sourceType, targetType, target, undefined); + } + return sourceType; + } + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); + } + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 56 && (left.kind === 168 || left.kind === 167)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 37: + case 38: + case 59: + case 60: + case 39: + case 61: + case 40: + case 62: + case 36: + case 58: + case 43: + case 63: + case 44: + case 64: + case 45: + case 65: + case 47: + case 67: + case 48: + case 68: + case 46: + case 66: + if (leftType.flags & (32 | 64)) + leftType = rightType; + if (rightType.flags & (32 | 64)) + rightType = leftType; + var suggestedOperator = void 0; + if ((leftType.flags & 8) && + (rightType.flags & 8) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); + } + } + return numberType; + case 35: + case 57: + if (leftType.flags & (32 | 64)) + leftType = rightType; + if (rightType.flags & (32 | 64)) + rightType = leftType; + var resultType = void 0; + if (allConstituentTypesHaveKind(leftType, 132) && allConstituentTypesHaveKind(rightType, 132)) { + resultType = numberType; + } + else { + if (allConstituentTypesHaveKind(leftType, 258) || allConstituentTypesHaveKind(rightType, 258)) { + resultType = stringType; + } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 57) { + checkAssignmentOperator(resultType); + } + return resultType; + case 25: + case 27: + case 28: + case 29: + if (!checkForDisallowedESSymbolOperand(operator)) { + return booleanType; + } + case 30: + case 31: + case 32: + case 33: + if (someConstituentTypeHasKind(leftType, 258) && someConstituentTypeHasKind(rightType, 258)) { + return booleanType; + } + if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 91: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 90: + return checkInExpression(left, right, leftType, rightType); + case 51: + return rightType; + case 52: + return getUnionType([leftType, rightType]); + case 56: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 24: + return rightType; + } + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216) ? left : + someConstituentTypeHasKind(rightType, 16777216) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; + } + return true; + } + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 47: + case 67: + return 52; + case 48: + case 68: + return 33; + case 46: + case 66: + return 51; + default: + return undefined; + } + } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 56 && operator <= 68) { + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); + if (ok) { + checkTypeAssignableTo(valueType, leftType, left, undefined); + } + } + } + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } + } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; + } + current = parent; + parent = parent.parent; + } + return false; + } + function checkYieldExpression(node) { + if (produceDiagnostics) { + if (!(node.parserContextFlags & 2) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + } + } + } + } + return anyType; + } + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getUnionType([type1, type2]); + } + function checkStringLiteralExpression(node) { + var contextualType = getContextualType(node); + if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { + return getStringLiteralTypeForText(node.text); + } + return stringType; + } + function checkTemplateExpression(node) { + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; + } + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node, contextualMapper); + } + return links.resolvedType; + } + function checkPropertyAssignment(node, contextualMapper) { + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + return checkExpression(node.initializer, contextualMapper); + } + function checkObjectLiteralMethod(node, contextualMapper) { + checkGrammarMethod(node); + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; + } + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 136) { + type = checkQualifiedName(node); + } + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + var ok = (node.parent.kind === 169 && node.parent.expression === node) || + (node.parent.kind === 170 && node.parent.expression === node) || + ((node.kind === 69 || node.kind === 136) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + } + } + return type; + } + function checkNumericLiteral(node) { + checkGrammarNumericLiteral(node); + return numberType; + } + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 69: + return checkIdentifier(node); + case 97: + return checkThisExpression(node); + case 95: + return checkSuperExpression(node); + case 93: + return nullType; + case 99: + case 84: + return booleanType; + case 8: + return checkNumericLiteral(node); + case 186: + return checkTemplateExpression(node); + case 9: + return checkStringLiteralExpression(node); + case 11: + return stringType; + case 10: + return globalRegExpType; + case 167: + return checkArrayLiteral(node, contextualMapper); + case 168: + return checkObjectLiteral(node, contextualMapper); + case 169: + return checkPropertyAccessExpression(node); + case 170: + return checkIndexedAccess(node); + case 171: + case 172: + return checkCallExpression(node); + case 173: + return checkTaggedTemplateExpression(node); + case 175: + return checkExpression(node.expression, contextualMapper); + case 189: + return checkClassExpression(node); + case 176: + case 177: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 179: + return checkTypeOfExpression(node); + case 174: + case 192: + return checkAssertion(node); + case 178: + return checkDeleteExpression(node); + case 180: + return checkVoidExpression(node); + case 181: + return checkAwaitExpression(node); + case 182: + return checkPrefixUnaryExpression(node); + case 183: + return checkPostfixUnaryExpression(node); + case 184: + return checkBinaryExpression(node, contextualMapper); + case 185: + return checkConditionalExpression(node, contextualMapper); + case 188: + return checkSpreadElementExpression(node, contextualMapper); + case 190: + return undefinedType; + case 187: + return checkYieldExpression(node); + case 243: + return checkJsxExpression(node); + case 236: + return checkJsxElement(node); + case 237: + return checkJsxSelfClosingElement(node); + case 238: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + } + return unknownType; + } + function checkTypeParameter(node) { + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); + } + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + } + } + function checkParameter(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (node.flags & 56) { + func = ts.getContainingFunction(node); + if (!(func.kind === 145 && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + } + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); + } + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); + } + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; + } + return node.kind === 144 || + node.kind === 216 || + node.kind === 176; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 69 && + param.name.text === parameter.text) { + return i; + } + } + } + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; + } + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; + } + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); + } + else { + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_14 = _a[_i].name; + if (ts.isBindingPattern(name_14) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } + } + } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 177: + case 148: + case 216: + case 176: + case 153: + case 144: + case 143: + var parent_7 = node.parent; + if (node === parent_7.type) { + return parent_7; + } + } + } + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var name_15 = _a[_i].name; + if (name_15.kind === 69 && + name_15.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_15.kind === 165 || + name_15.kind === 164) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { + return true; + } + } + } + } + function checkSignatureDeclaration(node) { + if (node.kind === 150) { + checkGrammarIndexSignature(node); + } + else if (node.kind === 153 || node.kind === 216 || node.kind === 154 || + node.kind === 148 || node.kind === 145 || + node.kind === 149) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 149: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 148: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + } + } + if (node.type) { + if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } + } + } + checkSpecializedSignatureDeclaration(node); + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 218) { + var nodeSymbol = getSymbolOfNode(node); + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; + } + } + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 130: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 128: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } + } + } + } + } + function checkPropertyDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + checkFunctionOrMethodDeclaration(node); + if (node.flags & 128 && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + } + function checkConstructorDeclaration(node) { + checkSignatureDeclaration(node); + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); + } + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function markThisReferencesAsErrors(n) { + if (n.kind === 97) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 176 && n.kind !== 216) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 142 && + !(n.flags & 64) && + !!n.initializer; + } + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return p.flags & (8 | 16 | 32); }); + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 198 && ts.isSuperCallExpression(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); + } + } + } + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 146) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288)) { + if (node.flags & 1048576) { + if (compilerOptions.noImplicitReturns) { + error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + else { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); + } + } + } + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var otherKind = node.kind === 146 ? 147 : 146; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if (((node.flags & 56) !== (otherAccessor.flags & 56))) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + var currentAccessorType = getAnnotatedAccessorType(node); + var otherAccessorType = getAnnotatedAccessorType(otherAccessor); + if (currentAccessorType && otherAccessorType) { + if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { + error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + } + } + } + } + getTypeOfAccessors(getSymbolOfNode(node)); + } + if (node.parent.kind !== 168) { + checkSourceElement(node.body); + } + else { + checkNodeDeferred(node); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); + mapper = createTypeMapper(typeParameters, typeArguments); + } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + } + return result; + } + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType && node.typeArguments) { + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + } + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkArrayType(node) { + checkSourceElement(node.elementType); + } + function checkTupleType(node) { + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + } + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (node.flags & 16) && ts.isInAmbientContext(node); + } + function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { + if (!produceDiagnostics) { + return; + } + var signature = getSignatureFromDeclaration(signatureDeclarationNode); + if (!signature.hasStringLiterals) { + return; + } + if (ts.nodeIsPresent(signatureDeclarationNode.body)) { + error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); + return; + } + var signaturesToCheck; + if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218) { + ts.Debug.assert(signatureDeclarationNode.kind === 148 || signatureDeclarationNode.kind === 149); + var signatureKind = signatureDeclarationNode.kind === 148 ? 0 : 1; + var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); + var containingType = getDeclaredTypeOfSymbol(containingSymbol); + signaturesToCheck = getSignaturesOfType(containingType, signatureKind); + } + else { + signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); + } + for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { + var otherSignature = signaturesToCheck_1[_i]; + if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, false)) { + return; + } + } + error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedNodeFlags(n); + if (n.parent.kind !== 218 && + n.parent.kind !== 217 && + n.parent.kind !== 189 && + ts.isInAmbientContext(n)) { + if (!(flags & 4)) { + flags |= 2; + } + flags |= 4; + } + return flags & flagsToCheck; + } + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; + } + function getCanonicalOverload(overloads, implementation) { + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 2) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); + } + else if (deviation & 4) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); + } + else if (deviation & (16 | 32)) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + } + else if (deviation & 128) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); + } + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); + } + }); + } + } + var flagsToCheck = 2 | 4 | 16 | 32 | 128; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 144 || node.kind === 143) && + (node.flags & 64) !== (subsequentNode.flags & 64); + if (reportError) { + var diagnostic = node.flags & 64 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); + } + return; + } + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; + } + } + } + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); + } + else { + if (node.flags & 128) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } + } + } + var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536; + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 218 || node.parent.kind === 156 || inAmbientContext; + if (inAmbientContextOrInterface) { + previousDeclaration = undefined; + } + if (node.kind === 216 || node.kind === 144 || node.kind === 143 || node.kind === 145) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } + } + } + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); + } + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); + } + if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(lastSeenNonAmbientDeclaration.flags & 128)) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + } + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + if (!bodySignature.hasStringLiterals) { + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } + } + } + } + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + var symbol = node.localSymbol; + if (!symbol) { + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032)) { + return; + } + } + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + var exportedDeclarationSpaces = 0; + var nonExportedDeclarationSpaces = 0; + var defaultExportedDeclarationSpaces = 0; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 | 512); + if (effectiveDeclarationFlags & 2) { + if (effectiveDeclarationFlags & 512) { + defaultExportedDeclarationSpaces |= declarationSpaces; + } + else { + exportedDeclarationSpaces |= declarationSpaces; + } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } + } + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); + } + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 218: + return 2097152; + case 221: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 + ? 4194304 | 1048576 + : 4194304; + case 217: + case 220: + return 2097152 | 1048576; + case 224: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576; + } + } + } + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; + } + return type; + } + function getPromisedType(promise) { + if (promise.flags & 1) { + return undefined; + } + if ((promise.flags & 4096) && promise.target === tryGetGlobalPromiseType()) { + return promise.typeArguments[0]; + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (thenFunction && (thenFunction.flags & 1)) { + return undefined; + } + var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : emptyArray; + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); + if (onfulfilledParameterType.flags & 1) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; + } + var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); + return valueParameterType; + } + function getTypeOfFirstParameterOfSignature(signature) { + return getTypeAtPosition(signature, 0); + } + function getAwaitedType(type) { + return checkAwaitedType(type, undefined, undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 16384) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); + } + return getUnionType(types); + } + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; + } + } + } + } + function checkCorrectPromiseType(returnType, location) { + if (returnType === unknownType) { + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + return unknownType; + } + function checkAsyncFunctionReturnType(node) { + if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + return unknownType; + } + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + return unknownType; + } + checkReturnTypeAnnotationAsExpression(node); + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 217: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 139: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 142: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 144: + case 146: + case 147: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + function checkTypeNodeAsExpression(node) { + if (node && node.kind === 152) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 152 ? 793056 : 1536; + var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); + if (rootSymbol && rootSymbol.flags & 8388608) { + var aliasTarget = resolveAlias(rootSymbol); + if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } + } + } + } + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkParameterTypeAnnotationsAsExpressions(node) { + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); + } + } + function checkDecorators(node) { + if (!node.decorators) { + return; + } + if (!ts.nodeCanBeDecorated(node)) { + return; + } + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + } + if (compilerOptions.emitDecoratorMetadata) { + switch (node.kind) { + case 217: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 144: + case 146: + case 147: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 142: + case 139: + checkTypeAnnotationAsExpression(node); + break; + } + } + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + if (node.name && node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + checkFunctionOrConstructorSymbol(symbol); + } + } + } + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + } + } + function checkBlock(node) { + if (node.kind === 195) { + checkGrammarStatementInAmbientContext(node); + } + ts.forEach(node.statements, checkSourceElement); + } + function checkCollisionWithArgumentsInGeneratedCode(node) { + if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); + } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 142 || + node.kind === 141 || + node.kind === 144 || + node.kind === 143 || + node.kind === 146 || + node.kind === 147) { + return false; + } + if (ts.isInAmbientContext(node)) { + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 139 && ts.nodeIsMissing(root.parent.body)) { + return false; + } + return true; + } + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); + } + } + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4) { + var isDeclaration_1 = node.kind !== 69; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + } + return; + } + current = current.parent; + } + } + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + var enclosingClass = ts.getContainingClass(node); + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 69; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); + } + } + } + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent)) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!compilerOptions.noCustomAsyncPromise) { + return; + } + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + if ((ts.getCombinedNodeFlags(node) & 24576) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + if (node.kind === 214 && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2) { + if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215); + var container = varDeclList.parent.kind === 196 && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + var namesShareScope = container && + (container.kind === 195 && ts.isFunctionLike(container.parent) || + container.kind === 222 || + container.kind === 221 || + container.kind === 251); + if (!namesShareScope) { + var name_16 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); + } + } + } + } + } + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 139) { + return; + } + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (n.kind === 69) { + var referencedSymbol = getNodeLinks(n).resolvedSymbol; + if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455) === referencedSymbol) { + if (referencedSymbol.valueDeclaration.kind === 139) { + if (referencedSymbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; + } + if (referencedSymbol.valueDeclaration.pos < node.pos) { + return; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); + } + } + else { + ts.forEachChild(n, visit); + } + } + } + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); + } + } + if (node.kind === 166) { + if (node.propertyName && node.propertyName.kind === 137) { + checkComputedPropertyName(node.propertyName); + } + } + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); + } + if (node.initializer && ts.getRootDeclaration(node).kind === 139 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; + } + if (ts.isBindingPattern(node.name)) { + if (node.initializer && node.parent.parent.kind !== 203) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); + checkParameterInitializer(node); + } + return; + } + var symbol = getSymbolOfNode(node); + var type = getTypeOfVariableOrParameterOrProperty(symbol); + if (node === symbol.valueDeclaration) { + if (node.initializer && node.parent.parent.kind !== 203) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); + checkParameterInitializer(node); + } + } + else { + var declarationType = getWidenedTypeForVariableLikeDeclaration(node); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + } + if (node.initializer) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); + } + } + if (node.kind !== 142 && node.kind !== 141) { + checkExportsOnMergedDeclarations(node); + if (node.kind === 214 || node.kind === 166) { + checkVarDeclaredNamesNotShadowed(node); + } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); + } + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + if (node.modifiers && node.parent.kind === 168) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + } + function checkExpressionStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + } + function checkIfStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 197) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); + } + checkSourceElement(node.elseStatement); + } + function checkDoStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); + } + function checkWhileStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); + } + function checkForStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 215) { + checkGrammarVariableDeclarationList(node.initializer); + } + } + if (node.initializer) { + if (node.initializer.kind === 215) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 215) { + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + if (varExpr.kind === 167 || varExpr.kind === 168) { + checkDestructuringAssignment(varExpr, iteratedType || unknownType); + } + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + } + } + } + checkSourceElement(node.statement); + } + function checkForInStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 215) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 167 || varExpr.kind === 168) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); + } + } + var rightType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + } + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); + } + } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = getTypeOfExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1); + if (indexType) { + return indexType; + } + } + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + return unknownType; + } + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; + } + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + if ((type.flags & 4096) && type.target === globalIterableType) { + typeAsIterable.iterableElementType = type.typeArguments[0]; + } + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; + } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + if ((type.flags & 4096) && type.target === globalIteratorType) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; + } + else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; + } + } + return typeAsIterator.iteratorElementType; + } + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; + } + if ((type.flags & 4096) && type.target === globalIterableIteratorType) { + return type.typeArguments[0]; + } + return getElementTypeOfIterable(type, undefined) || + getElementTypeOfIterator(type, undefined); + } + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2); + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 16384) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258); })); + } + else if (arrayOrStringType.flags & 258) { + arrayType = emptyUnionType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + if (arrayType === emptyObjectType) { + return stringType; + } + } + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; + if (hasStringConstituent) { + if (arrayElementType.flags & 258) { + return stringType; + } + return getUnionType([arrayElementType, stringType]); + } + return arrayElementType; + } + function checkBreakOrContinueStatement(node) { + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); + } + function isGetAccessorWithAnnotatatedSetAccessor(node) { + return !!(node.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147))); + } + function checkReturnStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + var exprType = checkExpressionCached(node.expression); + if (func.asteriskToken) { + return; + } + if (func.kind === 147) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + else if (func.kind === 145) { + if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + checkTypeAssignableTo(awaitedType, promisedType, node.expression); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression); + } + } + } + } + } + function checkWithStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.parserContextFlags & 8) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); + } + function checkSwitchStatement(node) { + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258); + ts.forEach(node.caseBlock.clauses, function (clause) { + if (clause.kind === 245 && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 244) { + var caseClause = clause; + var caseType = checkExpression(caseClause.expression); + var expressionTypeIsAssignableToCaseType = (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258)) || + isTypeAssignableTo(expressionType, caseType); + if (!expressionTypeIsAssignableToCaseType) { + checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + } + function checkLabeledStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 210 && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } + } + checkSourceElement(node.statement); + } + function checkThrowStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } + } + function checkTryStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.name.kind !== 69) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); + } + else if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var identifierName = catchClause.variableDeclaration.name.text; + var locals = catchClause.block.locals; + if (locals && ts.hasProperty(locals, identifierName)) { + var localSymbol = locals[identifierName]; + if (localSymbol && (localSymbol.flags & 2) !== 0) { + grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } + } + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); + }); + if (type.flags & 1024 && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!(member.flags & 64) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + if (!errorNode && (type.flags & 2048)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { + return; + } + var errorNode; + if (prop.valueDeclaration.name.kind === 137 || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (containingType.flags & 2048) { + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } + } + function checkTypeNameIsReserved(name, message) { + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } + } + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } + } + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + } + function checkClassDeclaration(node) { + if (!node.name && !(node.flags & 512)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); + } + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = (t.flags & 4096) ? t.target : t; + if (declaredType.flags & (1024 | 2048)) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function getTargetSymbol(s) { + return s.flags & 16777216 ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + if (derived === base) { + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(derivedClassDecl.flags & 128))) { + if (derivedClassDecl.kind === 189) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } + } + } + else { + var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 16) || (derivedDeclarationFlags & 16)) { + continue; + } + if ((baseDeclarationFlags & 64) !== (derivedDeclarationFlags & 64)) { + continue; + } + if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { + continue; + } + var errorMessage = void 0; + if (base.flags & 8192) { + if (derived.flags & 98304) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4) { + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304) !== 0); + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 146 || kind === 147; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = {}; + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { + var prop = properties_4[_a]; + if (!ts.hasProperty(seen, prop.name)) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var existing = seen[prop.name]; + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218); + if (symbol.declarations.length > 1) { + if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); + } + } + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkTypeAliasDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; + } + } + nodeLinks.flags |= 16384; + } + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 182: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 35: return value_1; + case 36: return -value_1; + case 50: return ~value_1; + } + return undefined; + case 184: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 47: return left | right; + case 46: return left & right; + case 44: return left >> right; + case 45: return left >>> right; + case 43: return left << right; + case 48: return left ^ right; + case 37: return left * right; + case 39: return left / right; + case 35: return left + right; + case 36: return left - right; + case 40: return left % right; + } + return undefined; + case 8: + return +e.text; + case 175: + return evalConstant(e.expression); + case 69: + case 170: + case 169: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 69) { + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 170) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; + } + else { + expression = e.expression; + propertyName = e.name.text; + } + var current = expression; + while (current) { + if (current.kind === 69) { + break; + } + else if (current.kind === 169) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { + return undefined; + } + } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + if (member === propertyDecl) { + return undefined; + } + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; + } + } + } + } + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + if (declaration.kind !== 220) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); + } + } + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 217 || + (declaration.kind === 216 && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; + } + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); + } + else if (isGlobalSourceFile(container2)) { + return false; + } + else { + return container1 === container2; + } + } + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + if (symbol.flags & 512 + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + var mergedClass = ts.getDeclarationOfKind(symbol, 217); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); + if (checkBody) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } + } + checkSourceElement(node.body); + } + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 196: + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 230: + case 231: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 224: + if (node.moduleReference.kind !== 9) { + error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + break; + } + case 225: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 166: + case 214: + var name_17 = node.name; + if (ts.isBindingPattern(name_17)) { + for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { + var el = _c[_b]; + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + case 217: + case 220: + case 216: + case 218: + case 221: + case 219: + var symbol = getSymbolOfNode(node); + if (symbol) { + var reportError = !(symbol.flags & 33554432); + if (!reportError) { + if (isGlobalAugmentation) { + reportError = symbol.parent !== undefined; + } + else { + reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); + } + } + if (reportError) { + error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + } + } + break; + } + } + function getFirstIdentifier(node) { + while (true) { + if (node.kind === 136) { + node = node.left; + } + else if (node.kind === 169) { + node = node.expression; + } + else { + break; + } + } + ts.Debug.assert(node.kind === 69); + return node; + } + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 && !inAmbientExternalModule) { + error(moduleName, node.kind === 231 ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + if (!isTopLevelInExternalModuleAugmentation(node)) { + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; + } + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & 107455 ? 107455 : 0) | + (symbol.flags & 793056 ? 793056 : 0) | + (symbol.flags & 1536 ? 1536 : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 233 ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } + } + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); + } + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } + } + } + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (node.flags & 2) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455) { + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 | 1536).flags & 1536)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793056) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } + } + else { + if (modulekind === 5 && !ts.isInAmbientContext(node)) { + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } + } + } + } + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } + } + function checkGrammarModuleElementContext(node, errorMessage) { + if (node.parent.kind !== 251 && node.parent.kind !== 222 && node.parent.kind !== 221) { + return grammarErrorOnFirstToken(node, errorMessage); + } + } + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + var symbol = resolveName(exportedName, exportedName.text, 107455 | 793056 | 1536 | 8388608, undefined, undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); + } + else { + markExportAsReferenced(node); + } + } + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + return; + } + var container = node.parent.kind === 251 ? node.parent : node.parent.parent; + if (container.kind === 221 && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + } + if (node.expression.kind === 69) { + markExportAsReferenced(node); + } + else { + checkExpressionCached(node.expression); + } + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === 5) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === 4) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); + } + } + } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; + } + } + return false; + } + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } + } + var exports = getExportsOfModule(moduleSymbol); + for (var id in exports) { + if (id === "__export") { + continue; + } + var _a = exports[id], declarations = _a.declarations, flags = _a.flags; + if (!(flags & (1536 | 64 | 384)) && (flags & 524288 ? declarations.length - 1 : declarations.length) > 1) { + var exportedDeclarations = ts.filter(declarations, isNotOverload); + if (exportedDeclarations.length > 1) { + for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { + var declaration = exportedDeclarations_1[_i]; + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } + } + } + } + links.exportsChecked = true; + } + function isNotOverload(declaration) { + return declaration.kind !== 216 || !!declaration.body; + } + } + function checkSourceElement(node) { + if (!node) { + return; + } + var kind = node.kind; + if (cancellationToken) { + switch (kind) { + case 221: + case 217: + case 218: + case 216: + cancellationToken.throwIfCancellationRequested(); + } + } + switch (kind) { + case 138: + return checkTypeParameter(node); + case 139: + return checkParameter(node); + case 142: + case 141: + return checkPropertyDeclaration(node); + case 153: + case 154: + case 148: + case 149: + return checkSignatureDeclaration(node); + case 150: + return checkSignatureDeclaration(node); + case 144: + case 143: + return checkMethodDeclaration(node); + case 145: + return checkConstructorDeclaration(node); + case 146: + case 147: + return checkAccessorDeclaration(node); + case 152: + return checkTypeReferenceNode(node); + case 151: + return checkTypePredicate(node); + case 155: + return checkTypeQuery(node); + case 156: + return checkTypeLiteral(node); + case 157: + return checkArrayType(node); + case 158: + return checkTupleType(node); + case 159: + case 160: + return checkUnionOrIntersectionType(node); + case 161: + return checkSourceElement(node.type); + case 216: + return checkFunctionDeclaration(node); + case 195: + case 222: + return checkBlock(node); + case 196: + return checkVariableStatement(node); + case 198: + return checkExpressionStatement(node); + case 199: + return checkIfStatement(node); + case 200: + return checkDoStatement(node); + case 201: + return checkWhileStatement(node); + case 202: + return checkForStatement(node); + case 203: + return checkForInStatement(node); + case 204: + return checkForOfStatement(node); + case 205: + case 206: + return checkBreakOrContinueStatement(node); + case 207: + return checkReturnStatement(node); + case 208: + return checkWithStatement(node); + case 209: + return checkSwitchStatement(node); + case 210: + return checkLabeledStatement(node); + case 211: + return checkThrowStatement(node); + case 212: + return checkTryStatement(node); + case 214: + return checkVariableDeclaration(node); + case 166: + return checkBindingElement(node); + case 217: + return checkClassDeclaration(node); + case 218: + return checkInterfaceDeclaration(node); + case 219: + return checkTypeAliasDeclaration(node); + case 220: + return checkEnumDeclaration(node); + case 221: + return checkModuleDeclaration(node); + case 225: + return checkImportDeclaration(node); + case 224: + return checkImportEqualsDeclaration(node); + case 231: + return checkExportDeclaration(node); + case 230: + return checkExportAssignment(node); + case 197: + checkGrammarStatementInAmbientContext(node); + return; + case 213: + checkGrammarStatementInAmbientContext(node); + return; + case 234: + return checkMissingDeclaration(node); + } + } + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); + } + } + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 176: + case 177: + case 144: + case 143: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 146: + case 147: + checkAccessorDeferred(node); + break; + case 189: + checkClassExpressionDeferred(node); + break; + } + } + } + function checkSourceFile(node) { + var start = new Date().getTime(); + checkSourceFileWorker(node); + ts.checkTime += new Date().getTime() - start; + } + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1)) { + if (compilerOptions.skipDefaultLibCheck) { + if (node.hasNoDefaultLib) { + return; + } + } + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + deferredNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1; + } + } + function getDiagnostics(sourceFile, ct) { + try { + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); + } + finally { + cancellationToken = undefined; + } + } + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); + } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); + } + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); + } + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + } + } + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 208 && node.parent.statement === node) { + return true; + } + node = node.parent; + } + } + return false; + } + function getSymbolsInScope(location, meaning) { + var symbols = {}; + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + return []; + } + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 221: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); + break; + case 220: + copySymbols(getSymbolOfNode(location).exports, meaning & 8); + break; + case 189: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + case 217: + case 218: + if (!(memberFlags & 64)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793056); + } + break; + case 176: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = location.flags; + location = location.parent; + } + copySymbols(globals, meaning); + } + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + if (!ts.hasProperty(symbols, id)) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } + } + } + function isTypeDeclarationName(name) { + return name.kind === 69 && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 138: + case 217: + case 218: + case 219: + case 220: + return true; + } + } + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 136) { + node = node.parent; + } + return node.parent && node.parent.kind === 152; + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 169) { + node = node.parent; + } + return node.parent && node.parent.kind === 191; + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 136) { + nodeOnRightSide = nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 224) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 230) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; + } + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + } + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); + } + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1: + case 3: + return getSymbolOfNode(entityName.parent); + case 4: + case 2: + return getSymbolOfNode(entityName.parent.parent); + default: + } + } + if (entityName.parent.kind === 230) { + return resolveEntityName(entityName, 107455 | 793056 | 1536 | 8388608); + } + if (entityName.kind !== 169) { + if (isInRightSideOfImportOrExportAssignment(entityName)) { + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); + } + } + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0; + if (entityName.parent.kind === 191) { + meaning = 793056; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455; + } + } + else { + meaning = 1536; + } + meaning |= 8388608; + return resolveEntityName(entityName, meaning); + } + else if ((entityName.parent.kind === 238) || + (entityName.parent.kind === 237) || + (entityName.parent.kind === 240)) { + return getJsxElementTagSymbol(entityName.parent); + } + else if (ts.isExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + return undefined; + } + if (entityName.kind === 69) { + var meaning = 107455 | 8388608; + return resolveEntityName(entityName, meaning); + } + else if (entityName.kind === 169) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 136) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + } + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = entityName.parent.kind === 152 ? 793056 : 1536; + meaning |= 8388608; + return resolveEntityName(entityName, meaning); + } + else if (entityName.parent.kind === 241) { + return getJsxAttributePropertySymbol(entityName.parent); + } + if (entityName.parent.kind === 151) { + return resolveEntityName(entityName, 1); + } + return undefined; + } + function getSymbolAtLocation(node) { + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (ts.isDeclarationName(node)) { + return getSymbolOfNode(node.parent); + } + if (node.kind === 69) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return node.parent.kind === 230 + ? getSymbolOfEntityNameOrPropertyAccessExpression(node) + : getSymbolOfPartOfRightHandSideOfImportEquals(node); + } + else if (node.parent.kind === 166 && + node.parent.parent.kind === 164 && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } + } + } + switch (node.kind) { + case 69: + case 169: + case 136: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 97: + case 95: + var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 162: + return getTypeFromTypeNode(node).symbol; + case 121: + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 145) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9: + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 225 || node.parent.kind === 231) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + case 8: + if (node.parent.kind === 170 && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; + } + return undefined; + } + function getShorthandAssignmentValueSymbol(location) { + if (location && location.kind === 249) { + return resolveEntityName(location.name, 107455 | 8388608); + } + return undefined; + } + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536 | 8388608); + } + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + return unknownType; + } + if (ts.isTypeNode(node)) { + return getTypeFromTypeNode(node); + } + if (ts.isExpression(node)) { + return getTypeOfExpression(node); + } + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; + } + if (isTypeDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; + } + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return checkExpression(expr); + } + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return node.flags & 64 + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + } + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!ts.hasProperty(propsByName, p.name)) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); + } + function getRootSymbols(symbol) { + if (symbol.flags & 268435456) { + var symbols_3 = []; + var name_18 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_18); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864) { + var target = getSymbolLinks(symbol).target; + if (target) { + return [target]; + } + } + return [symbol]; + } + function isArgumentsLocalBinding(node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol) { + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455) + : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455); + } + } + function getReferencedExportContainer(node) { + var symbol = getReferencedValueSymbol(node); + if (symbol) { + if (symbol.flags & 1048576) { + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (exportSymbol.flags & 944) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 251) { + return parentSymbol.valueDeclaration; + } + for (var n = node.parent; n; n = n.parent) { + if ((n.kind === 221 || n.kind === 220) && getSymbolOfNode(n) === parentSymbol) { + return n; + } + } + } + } + } + function getReferencedImportDeclaration(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && symbol.flags & 8388608 ? getDeclarationOfAliasSymbol(symbol) : undefined; + } + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418) { + var links = getSymbolLinks(symbol); + if (links.isDeclaratonWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { + links.isDeclaratonWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072) { + var isDeclaredInLoop = nodeLinks_1.flags & 262144; + var inLoopInitializer = ts.isIterationStatement(container, false); + var inLoopBodyBlock = container.kind === 195 && ts.isIterationStatement(container.parent, false); + links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclaratonWithCollidingName = false; + } + } + } + return links.isDeclaratonWithCollidingName; + } + return false; + } + function getReferencedDeclarationWithCollidingName(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; + } + function isDeclarationWithCollidingName(node) { + return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); + } + function isValueAliasDeclaration(node) { + switch (node.kind) { + case 224: + case 226: + case 227: + case 229: + case 233: + return isAliasResolvedToValue(getSymbolOfNode(node)); + case 231: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 230: + return node.expression && node.expression.kind === 69 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; + } + return false; + } + function isTopLevelValueImportEqualsWithEntityName(node) { + if (node.parent.kind !== 251 || !ts.isInternalModuleImportEqualsDeclaration(node)) { + return false; + } + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + } + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol && compilerOptions.isolatedModules) { + return true; + } + return target !== unknownSymbol && + target && + target.flags & 107455 && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + } + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; + } + function isReferencedAliasDeclaration(node, checkChildren) { + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (getSymbolLinks(symbol).referenced) { + return true; + } + } + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + } + return false; + } + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + return signaturesOfSymbol.length > 1 || + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + } + return false; + } + function getNodeCheckFlags(node) { + return getNodeLinks(node).flags; + } + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; + } + function getConstantValue(node) { + if (node.kind === 250) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8)) { + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); + } + } + return undefined; + } + function isFunctionType(type) { + return type.flags & 80896 && getSignaturesOfType(type, 0).length > 0; + } + function getTypeReferenceSerializationKind(typeName) { + var valueSymbol = resolveEntityName(typeName, 107455, true); + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + var typeSymbol = resolveEntityName(typeName, 793056, true); + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (allConstituentTypesHaveKind(type, 16)) { + return ts.TypeReferenceSerializationKind.VoidType; + } + else if (allConstituentTypesHaveKind(type, 8)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (allConstituentTypesHaveKind(type, 132)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (allConstituentTypesHaveKind(type, 258)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (allConstituentTypesHaveKind(type, 8192)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (allConstituentTypesHaveKind(type, 16777216)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else { + return ts.TypeReferenceSerializationKind.ObjectType; + } + } + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 | 131072)) + ? getTypeOfSymbol(symbol) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getTypeOfExpression(expr); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return ts.hasProperty(globals, name); + } + function getReferencedValueSymbol(reference) { + return getNodeLinks(reference).resolvedSymbol || + resolveName(reference, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); + } + function getReferencedValueDeclaration(reference) { + ts.Debug.assert(!ts.nodeIsSynthesized(reference)); + var symbol = getReferencedValueSymbol(reference); + return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } + function createResolver() { + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration + }; + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); + if (!moduleSymbol) { + return undefined; + } + return ts.getDeclarationOfKind(moduleSymbol, 251); + } + function initializeTypeChecker() { + ts.forEach(host.getSourceFiles(), function (file) { + ts.bindSourceFile(file, compilerOptions); + }); + var augmentations; + ts.forEach(host.getSourceFiles(), function (file) { + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + }); + if (augmentations) { + for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { + var list = augmentations_1[_i]; + for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { + var augmentation = list_2[_a]; + mergeModuleAugmentation(augmentation); + } + } + } + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + globalArrayType = getGlobalType("Array", 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056, undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + if (languageVersion >= 2) { + globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); + globalESSymbolType = getGlobalType("Symbol"); + globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); + globalIterableType = getGlobalType("Iterable", 1); + globalIteratorType = getGlobalType("Iterator", 1); + globalIterableIteratorType = getGlobalType("IterableIterator", 1); + } + else { + globalTemplateStringsArrayType = unknownType; + globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + globalESSymbolConstructorSymbol = undefined; + globalIterableType = emptyGenericType; + globalIteratorType = emptyGenericType; + globalIterableIteratorType = emptyGenericType; + } + anyArrayType = createArrayType(anyType); + } + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); + } + return emptyObjectType; + } + function createThenableType() { + var thenPropertySymbol = createSymbol(67108864 | 4, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(65536); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; + } + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 144 && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } + } + else if (node.kind === 146 || node.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } + } + return false; + } + function checkGrammarModifiers(node) { + switch (node.kind) { + case 146: + case 147: + case 145: + case 142: + case 141: + case 144: + case 143: + case 150: + case 221: + case 225: + case 224: + case 231: + case 230: + case 139: + break; + case 216: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118) && + node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 217: + case 218: + case 196: + case 219: + if (node.modifiers && node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 220: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74) && + node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + default: + return false; + } + if (!node.modifiers) { + return; + } + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + switch (modifier.kind) { + case 74: + if (node.kind !== 220 && node.parent.kind === 217) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74)); + } + break; + case 112: + case 111: + case 110: + var text = void 0; + if (modifier.kind === 112) { + text = "public"; + } + else if (modifier.kind === 111) { + text = "protected"; + lastProtected = modifier; + } + else { + text = "private"; + lastPrivate = modifier; + } + if (flags & 56) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 222 || node.parent.kind === 251) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); + } + else if (flags & 128) { + if (modifier.kind === 110) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 113: + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 222 || node.parent.kind === 251) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 64; + lastStatic = modifier; + break; + case 82: + if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 4) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 217) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 2; + break; + case 122: + if (flags & 4) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 217) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 4; + lastDeclare = modifier; + break; + case 115: + if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 217) { + if (node.kind !== 144) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); + } + if (!(node.parent.kind === 217 && node.parent.flags & 128)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 16) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128; + break; + case 118: + if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 4 || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256; + lastAsync = modifier; + break; + } + } + if (node.kind === 145) { + if (flags & 64) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 32) { + return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); + } + else if (flags & 16) { + return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); + } + else if (flags & 256) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + return; + } + else if ((node.kind === 225 || node.kind === 224) && flags & 4) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + } + else if (node.kind === 139 && (flags & 56) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); + } + if (flags & 256) { + return checkGrammarAsyncModifier(node, lastAsync); + } + } + function checkGrammarAsyncModifier(node, asyncModifier) { + if (languageVersion < 2) { + return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); + } + switch (node.kind) { + case 144: + case 216: + case 176: + case 177: + if (!node.asteriskToken) { + return false; + } + break; + } + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); + } + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function checkGrammarTypeParameterList(node, typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; + } + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + } + } + function checkGrammarParameterList(parameters) { + if (checkGrammarForDisallowedTrailingComma(parameters)) { + return true; + } + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } + } + } + function checkGrammarFunctionLikeDeclaration(node) { + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + } + function checkGrammarArrowFunction(node, file) { + if (node.kind === 177) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } + } + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + } + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + if (parameter.flags & 1022) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + } + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + } + if (parameter.type.kind !== 130 && parameter.type.kind !== 128) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + } + } + function checkGrammarForIndexSignatureModifier(node) { + if (node.flags & 1022) { + grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); + } + } + function checkGrammarIndexSignature(node) { + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); + } + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + } + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { + var arg = args_1[_i]; + if (arg.kind === 190) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } + } + function checkGrammarArguments(node, args) { + return checkGrammarForDisallowedTrailingComma(args) || + checkGrammarForOmittedArgument(node, args); + } + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; + } + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + checkGrammarHeritageClause(heritageClause); + } + } + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + checkGrammarHeritageClause(heritageClause); + } + } + return false; + } + function checkGrammarComputedPropertyName(node) { + if (node.kind !== 137) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 184 && computedPropertyName.expression.operatorToken.kind === 24) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } + } + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 216 || + node.kind === 176 || + node.kind === 144); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); + } + } + } + function checkGrammarForInvalidQuestionMark(node, questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); + } + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = {}; + var Property = 1; + var GetAccessor = 2; + var SetAccesor = 4; + var GetOrSetAccessor = GetAccessor | SetAccesor; + var _loop_1 = function(prop) { + var name_19 = prop.name; + if (prop.kind === 190 || + name_19.kind === 137) { + checkGrammarComputedPropertyName(name_19); + return "continue"; + } + if (prop.kind === 249 && !inDestructuring && prop.objectAssignmentInitializer) { + return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; + } + ts.forEach(prop.modifiers, function (mod) { + if (mod.kind !== 118 || prop.kind !== 144) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + }); + var currentKind = void 0; + if (prop.kind === 248 || prop.kind === 249) { + checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_19.kind === 8) { + checkGrammarNumericLiteral(name_19); + } + currentKind = Property; + } + else if (prop.kind === 144) { + currentKind = Property; + } + else if (prop.kind === 146) { + currentKind = GetAccessor; + } + else if (prop.kind === 147) { + currentKind = SetAccesor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + if (!ts.hasProperty(seen, name_19.text)) { + seen[name_19.text] = currentKind; + } + else { + var existingKind = seen[name_19.text]; + if (currentKind === Property && existingKind === Property) { + return "continue"; + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[name_19.text] = currentKind | existingKind; + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; + } + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; + } + } + }; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var state_2 = _loop_1(prop); + if (typeof state_2 === "object") return state_2.value; + if (state_2 === "continue") continue; + } + } + function checkGrammarJsxElement(node) { + var seen = {}; + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 242) { + continue; + } + var jsxAttr = attr; + var name_20 = jsxAttr.name; + if (!ts.hasProperty(seen, name_20.text)) { + seen[name_20.text] = true; + } + else { + return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 243 && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + } + } + } + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 215) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } + } + } + return false; + } + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); + } + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); + } + else if (accessor.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); + } + else if (kind === 146 && accessor.parameters.length) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); + } + else if (kind === 147) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else if (accessor.parameters.length !== 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + } + else if (parameter.flags & 1022) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + } + } + } + } + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } + } + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; + } + if (node.parent.kind === 168) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } + } + else if (node.parent.kind === 218) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + } + else if (node.parent.kind === 156) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + } + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 210: + if (node.label && current.label.text === node.label.text) { + var isMisplacedContinueLabel = node.kind === 205 + && !ts.isIterationStatement(current.statement, true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 209: + if (node.kind === 206 && !node.label) { + return false; + } + break; + default: + if (ts.isIterationStatement(current, false) && !node.label) { + return false; + } + break; + } + current = current.parent; + } + if (node.label) { + var message = node.kind === 206 + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + else { + var message = node.kind === 206 + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + } + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 165 || node.name.kind === 164) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } + } + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 203 && node.parent.parent.kind !== 204) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); + } + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 69) { + if (name.originalKeywordKind === 108) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (element.kind !== 190) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } + } + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } + } + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 199: + case 200: + case 201: + case 208: + case 202: + case 203: + case 204: + return false; + case 210: + return allowLetAndConstDeclarations(parent.parent); + } + return true; + } + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } + } + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; + } + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } + } + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || + checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + } + else if (node.parent.kind === 218) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 156) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + } + } + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + if (node.kind === 218 || + node.kind === 219 || + node.kind === 225 || + node.kind === 224 || + node.kind === 231 || + node.kind === 230 || + (node.flags & 4) || + (node.flags & (2 | 512))) { + return false; + } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); + } + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 196) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } + } + } + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + } + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + if (node.parent.kind === 195 || node.parent.kind === 222 || node.parent.kind === 251) { + var links_1 = getNodeLinks(node.parent); + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } + } + } + function checkGrammarNumericLiteral(node) { + if (node.flags & 32768 && languageVersion >= 1) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + } + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2)); + return true; + } + } + var _a; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +var ts; +(function (ts) { + var nullSourceMapWriter; + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function getNullSourceMapWriter() { + if (nullSourceMapWriter === undefined) { + nullSourceMapWriter = { + getSourceMapData: function () { return undefined; }, + setSourceFile: function (sourceFile) { }, + emitStart: function (range) { }, + emitEnd: function (range, stopOverridingSpan) { }, + emitPos: function (pos) { }, + changeEmitSourcePos: function () { }, + getText: function () { return undefined; }, + getSourceMappingURL: function () { return undefined; }, + initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, + reset: function () { } + }; + } + return nullSourceMapWriter; + } + ts.getNullSourceMapWriter = getNullSourceMapWriter; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var currentSourceFile; + var sourceMapDir; + var stopOverridingSpan = false; + var modifyLastSourcePos = false; + var sourceMapSourceIndex; + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + var sourceMapData; + return { + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitStart: emitStart, + emitEnd: emitEnd, + changeEmitSourcePos: changeEmitSourcePos, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + initialize: initialize, + reset: reset + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (sourceMapData) { + reset(); + } + currentSourceFile = undefined; + sourceMapSourceIndex = -1; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; + } + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); + } + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); + } + else { + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); + } + } + else { + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + } + } + function reset() { + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; + } + function updateLastEncodedAndRecordedSpans() { + if (modifyLastSourcePos) { + modifyLastSourcePos = false; + lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; + lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; + sourceMapData.sourceMapDecodedMappings.pop(); + lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? + sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : + defaultLastEncodedSourceMapSpan; + var sourceMapMappings = sourceMapData.sourceMapMappings; + var lenthToSet = sourceMapMappings.length - 1; + for (; lenthToSet >= 0; lenthToSet--) { + var currentChar = sourceMapMappings.charAt(lenthToSet); + if (currentChar === ",") { + break; + } + if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { + break; + } + } + sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); + } + } + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; + } + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; + } + } + else { + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; + } + prevEncodedEmittedColumn = 1; + } + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; + } + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); + } + function emitPos(pos) { + if (pos === -1) { + return; + } + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + encodeLastRecordedSourceMapSpan(); + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; + stopOverridingSpan = false; + } + else if (!stopOverridingSpan) { + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; + } + updateLastEncodedAndRecordedSpans(); + } + function getStartPos(range) { + var rangeHasDecorators = !!range.decorators; + return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; + } + function emitStart(range) { + emitPos(getStartPos(range)); + } + function emitEnd(range, stopOverridingEnd) { + emitPos(range.end); + stopOverridingSpan = stopOverridingEnd; + } + function changeEmitSourcePos() { + ts.Debug.assert(!modifyLastSourcePos); + modifyLastSourcePos = true; + } + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + sourceMapData.inputSourceFileNames.push(sourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(sourceFile.text); + } + } + } + function getText() { + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent + }); + } + function getSourceMappingURL() { + if (compilerOptions.inlineSourceMap) { + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + else { + return sourceMapData.jsSourceMappingURL; + } + } + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); + } + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; + } + else { + inValue = inValue << 1; + } + var encodedStr = ""; + do { + var currentDigit = inValue & 31; + inValue = inValue >> 5; + if (inValue > 0) { + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); + } + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer = createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + var referencePathsOutput = ""; + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 225); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + write("export {};"); + writeLine(); + } + }); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencePathsOutput: referencePathsOutput + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; + } + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } + } + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); + return writer; + } + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; + } + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 214) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 228 || declaration.kind === 229 || declaration.kind === 226) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 225) { + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 221) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 221) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); + } + function handleSymbolAccessibilityError(symbolAccesibilityResult) { + if (symbolAccesibilityResult.accessibility === 0) { + if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); + } + } + else { + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + } + } + } + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); + } + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } + } + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer); + errorNameNode = undefined; + } + } + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer); + errorNameNode = undefined; + } + } + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } + } + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } + } + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + } + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, true, newLine, ts.writeCommentRange); + } + } + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); + } + function emitType(type) { + switch (type.kind) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 162: + case 163: + return writeTextOfNode(currentText, type); + case 191: + return emitExpressionWithTypeArguments(type); + case 152: + return emitTypeReference(type); + case 155: + return emitTypeQuery(type); + case 157: + return emitArrayType(type); + case 158: + return emitTupleType(type); + case 159: + return emitUnionType(type); + case 160: + return emitIntersectionType(type); + case 161: + return emitParenType(type); + case 153: + case 154: + return emitSignatureDeclarationWithJsDocComments(type); + case 156: + return emitTypeLiteral(type); + case 69: + return emitEntityName(type); + case 136: + return emitEntityName(type); + case 151: + return emitTypePredicate(type); + } + function writeEntityName(entityName) { + if (entityName.kind === 69) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 136 ? entityName.left : entityName.expression; + var right = entityName.kind === 136 ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } + } + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 224 ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + ts.Debug.assert(node.expression.kind === 69 || node.expression.kind === 169); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); + write("[]"); + } + function emitTupleType(type) { + write("["); + emitCommaList(type.elementTypes, emitType); + write("]"); + } + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); + } + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); + } + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); + } + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); + increaseIndent(); + emitLines(type.members); + decreaseIndent(); + } + write("}"); + } + } + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); + emitLines(node.statements); + } + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!ts.hasProperty(currentIdentifiers, baseName)) { + return baseName; + } + var count = 0; + while (true) { + count++; + var name_21 = baseName + "_" + count; + if (!ts.hasProperty(currentIdentifiers, name_21)) { + return name_21; + } + } + } + function emitExportAssignment(node) { + if (node.expression.kind === 69) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); + } + else { + var tempVarName = getExportDefaultTempVariableName(); + write("declare var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); + } + write(";"); + writeLine(); + if (node.expression.kind === 69) { + var nodes = resolver.collectLinkedAliases(node.expression); + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic(diagnostic) { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; + } + } + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); + } + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); + } + else if (node.kind === 224 || + (node.parent.kind === 251 && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251) { + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 225) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + } + } + function writeModuleElement(node) { + switch (node.kind) { + case 216: + return writeFunctionDeclaration(node); + case 196: + return writeVariableStatement(node); + case 218: + return writeInterfaceDeclaration(node); + case 217: + return writeClassDeclaration(node); + case 219: + return writeTypeAliasDeclaration(node); + case 220: + return writeEnumDeclaration(node); + case 221: + return writeModuleDeclaration(node); + case 224: + return writeImportEqualsDeclaration(node); + case 225: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); + } + } + function emitModuleElementDeclarationFlags(node) { + if (node.parent.kind === 251) { + if (node.flags & 2) { + write("export "); + } + if (node.flags & 512) { + write("default "); + } + else if (node.kind !== 218 && !noDeclare) { + write("declare "); + } + } + } + function emitClassMemberDeclarationFlags(node) { + if (node.flags & 16) { + write("private "); + } + else if (node.flags & 32) { + write("protected "); + } + if (node.flags & 64) { + write("static "); + } + if (node.flags & 128) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); + } + else { + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; + } + } + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 227) { + return resolver.isDeclarationVisible(namedBindings); + } + else { + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + } + } + } + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2) { + write("export "); + } + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + write(", "); + } + if (node.importClause.namedBindings.kind === 227) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); + } + else { + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); + } + } + write(" from "); + } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); + } + function emitExternalModuleSpecifier(parent) { + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221; + var moduleSpecifier; + if (parent.kind === 224) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); + } + else if (parent.kind === 221) { + moduleSpecifier = parent.name; + } + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; + } + if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write("\""); + write(moduleName); + write("\""); + return; + } + } + writeTextOfNode(currentText, moduleSpecifier); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); + } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + writeAsynchronousModuleElements(nodes); + } + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); + } + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); + } + else { + if (node.flags & 65536) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body.kind !== 222) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("type "); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); + write(" = "); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); + write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } + } + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } + write("enum "); + writeTextOfNode(currentText, node.name); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + } + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); + } + write(","); + writeLine(); + } + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 144 && (node.parent.flags & 16); + } + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 153 || + node.parent.kind === 154 || + (node.parent.parent && node.parent.parent.kind === 156)) { + ts.Debug.assert(node.parent.kind === 144 || + node.parent.kind === 143 || + node.parent.kind === 153 || + node.parent.kind === 154 || + node.parent.kind === 148 || + node.parent.kind === 149); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.parent.kind) { + case 217: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 218: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 149: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 144: + case 143: + if (node.parent.flags & 64) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 216: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } + } + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); + } + } + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 93) { + write("null"); + } + function getHeritageClauseVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (node.parent.parent.kind === 217) { + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } + } + } + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (param.flags & 56) { + emitPropertyDeclaration(param); + } + }); + } + } + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (node.flags & 128) { + write("abstract "); + } + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], false); + } + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(node); + emitVariableDeclaration(node); + write(";"); + writeLine(); + } + function emitVariableDeclaration(node) { + if (node.kind !== 214 || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + if ((node.kind === 142 || node.kind === 141) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 142 || node.kind === 141) && node.parent.kind === 156) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.flags & 16)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } + } + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + if (node.kind === 214) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 142 || node.kind === 141) { + if (node.flags & 64) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 217) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); + } + } + } + } + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + if (node.type) { + write(": "); + emitType(node.type); + } + } + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + } + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); + } + else { + write("var "); + } + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); + writeLine(); + } + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(node); + writeTextOfNode(currentText, node.name); + if (!(node.flags & 16)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + var anotherAccessor = node.kind === 146 ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); + } + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 146 + ? accessor.type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 147) { + if (accessorWithTypeAnnotation.parent.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + typeName: accessorWithTypeAnnotation.name + }; + } + else { + if (accessorWithTypeAnnotation.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; + } + } + } + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 216) { + emitModuleElementDeclarationFlags(node); + } + else if (node.kind === 144) { + emitClassMemberDeclarationFlags(node); + } + if (node.kind === 216) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 145) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } + } + emitSignatureDeclaration(node); + } + } + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + if (node.kind === 149 || node.kind === 154) { + write("new "); + } + emitTypeParameters(node.typeParameters); + if (node.kind === 150) { + write("["); + } + else { + write("("); + } + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 150) { + write("]"); + } + else { + write(")"); + } + var isFunctionTypeOrConstructorType = node.kind === 153 || node.kind === 154; + if (isFunctionTypeOrConstructorType || node.parent.kind === 156) { + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 145 && !(node.flags & 16)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); + writeLine(); + } + function getReturnTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 149: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 150: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 144: + case 143: + if (node.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 217) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 216: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; + } + } + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + } + if (resolver.isOptionalParameter(node)) { + write("?"); + } + decreaseIndent(); + if (node.parent.kind === 153 || + node.parent.kind === 154 || + node.parent.parent.kind === 156) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.parent.flags & 16)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + } + function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + switch (node.parent.kind) { + case 145: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 149: + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148: + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 144: + case 143: + if (node.parent.flags & 64) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 216: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } + } + function emitBindingPattern(bindingPattern) { + if (bindingPattern.kind === 164) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); + } + else if (bindingPattern.kind === 165) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); + } + } + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 190) { + write(" "); + } + else if (bindingElement.kind === 166) { + if (bindingElement.propertyName) { + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + ts.Debug.assert(bindingElement.name.kind === 69); + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); + } + } + } + } + } + function emitNode(node) { + switch (node.kind) { + case 216: + case 221: + case 224: + case 218: + case 217: + case 219: + case 220: + return emitModuleElement(node, isModuleElementVisible(node)); + case 196: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 225: + return emitModuleElement(node, !node.importClause); + case 231: + return emitExportDeclaration(node); + case 145: + case 144: + case 143: + return writeFunctionDeclaration(node); + case 149: + case 148: + case 150: + return emitSignatureDeclarationWithJsDocComments(node); + case 146: + case 147: + return emitAccessorDeclaration(node); + case 142: + case 141: + return emitPropertyDeclaration(node); + case 250: + return emitEnumMemberDeclaration(node); + case 230: + return emitExportAssignment(node); + case 251: + return emitSourceFile(node); + } + } + function writeReferencePath(referencedFile, addBundledFileReference) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + declFileName = referencedFile.fileName; + } + else { + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); + } + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); + referencePathsOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; + } + } + } + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencePathsOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getResolvedExternalModuleName(host, file) { + return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); + } + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || ts.isDeclarationFile(file)) { + return undefined; + } + return getResolvedExternalModuleName(host, file); + } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + var entities = { + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }; + function emitFiles(resolver, host, targetSourceFile) { + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var modulekind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emitSkipped = false; + var newLine = host.getNewLine(); + var emitJavaScript = createFileEmitter(); + ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + sourceMaps: sourceMapDataList + }; + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { + return false; + } + } + } + return true; + } + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = {}; + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = {}; + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } + } + function hoistVariableDeclarationFromLoop(state, declaration) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(declaration.name); + function visit(node) { + if (node.kind === 69) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { + var element = _b[_a]; + visit(element.name); + } + } + } + } + function createFileEmitter() { + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); + var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; + var currentSourceFile; + var currentText; + var currentLineMap; + var currentFileIdentifiers; + var renamedDependencies; + var isEs6Module; + var isCurrentFileExternalModule; + var exportFunctionForFile; + var contextObjectForFile; + var generatedNameSet; + var nodeToGeneratedName; + var computedPropertyNamesToGeneratedNames; + var decoratedClassAliases; + var convertedLoopState; + var extendsEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var tempFlags = 0; + var tempVariables; + var tempParameters; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var detachedCommentsInfo; + var sourceMapData; + var isOwnFileEmit; + var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; + var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; + var moduleEmitDelegates = (_a = {}, + _a[5] = emitES6Module, + _a[2] = emitAMDModule, + _a[4] = emitSystemModule, + _a[3] = emitUMDModule, + _a[1] = emitCommonJSModule, + _a + ); + var bundleEmitDelegates = (_b = {}, + _b[5] = function () { }, + _b[2] = emitAMDModule, + _b[4] = emitSystemModule, + _b[3] = function () { }, + _b[1] = function () { }, + _b + ); + return doEmit; + function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + generatedNameSet = {}; + nodeToGeneratedName = []; + decoratedClassAliases = []; + isOwnFileEmit = !isBundledEmit; + if (isBundledEmit && modulekind) { + ts.forEach(sourceFiles, emitEmitHelpers); + } + ts.forEach(sourceFiles, emitSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# sourceMappingURL=" + sourceMappingURL); + } + writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, compilerOptions.emitBOM); + sourceMap.reset(); + writer.reset(); + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + generatedNameSet = undefined; + nodeToGeneratedName = undefined; + decoratedClassAliases = undefined; + computedPropertyNamesToGeneratedNames = undefined; + convertedLoopState = undefined; + extendsEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = undefined; + detachedCommentsInfo = undefined; + sourceMapData = undefined; + isEs6Module = false; + renamedDependencies = undefined; + isCurrentFileExternalModule = false; + } + function emitSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = sourceFile.text; + currentLineMap = ts.getLineStarts(sourceFile); + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; + renamedDependencies = sourceFile.renamedDependencies; + currentFileIdentifiers = sourceFile.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(sourceFile); + setSourceFile(sourceFile); + emitNodeWithCommentsAndWithoutSourcemap(sourceFile); + } + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_22 = flags === 268435456 ? "_i" : "_n"; + if (isUniqueName(name_22)) { + tempFlags |= flags; + return name_22; + } + } + while (true) { + var count = tempFlags & 268435455; + tempFlags++; + if (count !== 8 && count !== 13) { + var name_23 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26); + if (isUniqueName(name_23)) { + return name_23; + } + } + } + } + function makeUniqueName(baseName) { + if (baseName.charCodeAt(baseName.length - 1) !== 95) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; + } + i++; + } + } + function generateNameForModuleOrEnum(node) { + var name = node.name.text; + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 69: + return makeUniqueName(node.text); + case 221: + case 220: + return generateNameForModuleOrEnum(node); + case 225: + case 231: + return generateNameForImportOrExportDeclaration(node); + case 216: + case 217: + case 230: + return generateNameForExportDefault(); + case 189: + return generateNameForClassExpression(); + } + } + function getGeneratedNameForNode(node) { + var id = ts.getNodeId(node); + return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); + } + function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); + } + function createTempVariable(flags) { + var result = ts.createSynthesizedNode(69); + result.text = makeTempVariableName(flags); + return result; + } + function recordTempDeclaration(name) { + if (!tempVariables) { + tempVariables = []; + } + tempVariables.push(name); + } + function createAndRecordTempVariable(flags) { + var temp = createTempVariable(flags); + recordTempDeclaration(temp); + return temp; + } + function emitTempDeclarations(newLine) { + if (tempVariables) { + if (newLine) { + writeLine(); + } + else { + write(" "); + } + write("var "); + emitCommaList(tempVariables); + write(";"); + } + } + function emitToken(tokenKind, startPos, emitFn) { + var tokenStartPos = ts.skipTrivia(currentText, startPos); + emitPos(tokenStartPos); + var tokenString = ts.tokenToString(tokenKind); + if (emitFn) { + emitFn(); + } + else { + write(tokenString); + } + var tokenEndPos = tokenStartPos + tokenString.length; + emitPos(tokenEndPos); + return tokenEndPos; + } + function emitOptional(prefix, node) { + if (node) { + write(prefix); + emit(node); + } + } + function emitParenthesizedIf(node, parenthesized) { + if (parenthesized) { + write("("); + } + emit(node); + if (parenthesized) { + write(")"); + } + } + function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { + ts.Debug.assert(nodes.length > 0); + increaseIndent(); + if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + for (var i = 0, n = nodes.length; i < n; i++) { + if (i) { + if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { + write(", "); + } + else { + write(","); + writeLine(); + } + } + emit(nodes[i]); + } + if (nodes.hasTrailingComma && allowTrailingComma) { + write(","); + } + decreaseIndent(); + if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + } + function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { + if (!emitNode) { + emitNode = emit; + } + for (var i = 0; i < count; i++) { + if (multiLine) { + if (i || leadingComma) { + write(","); + } + writeLine(); + } + else { + if (i || leadingComma) { + write(", "); + } + } + var node = nodes[start + i]; + emitTrailingCommentsOfPosition(node.pos); + emitNode(node); + leadingComma = true; + } + if (trailingComma) { + write(","); + } + if (multiLine && !noTrailingNewLine) { + writeLine(); + } + return count; + } + function emitCommaList(nodes) { + if (nodes) { + emitList(nodes, 0, nodes.length, false, false); + } + } + function emitLines(nodes) { + emitLinesStartingAt(nodes, 0); + } + function emitLinesStartingAt(nodes, startIndex) { + for (var i = startIndex; i < nodes.length; i++) { + writeLine(); + emit(nodes[i]); + } + } + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98: + case 66: + case 111: + case 79: + return true; + } + } + return false; + } + function emitLiteral(node) { + var text = getLiteralText(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { + write(node.text); + } + else { + write(text); + } + } + function getLiteralText(node) { + if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText("\"", node.text, "\""); + } + if (node.parent) { + return ts.getTextOfNodeFromSourceText(currentText, node); + } + switch (node.kind) { + case 9: + return getQuotedEscapedLiteralText("\"", node.text, "\""); + case 11: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 12: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 13: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 14: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); + } + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; + } + function emitDownlevelRawTemplateLiteral(node) { + var text = ts.getTextOfNodeFromSourceText(currentText, node); + var isLast = node.kind === 11 || node.kind === 14; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + text = text.replace(/\r\n?/g, "\n"); + text = ts.escapeString(text); + write("\"" + text + "\""); + } + function emitDownlevelTaggedTemplateArray(node, literalEmitter) { + write("["); + if (node.template.kind === 11) { + literalEmitter(node.template); + } + else { + literalEmitter(node.template.head); + ts.forEach(node.template.templateSpans, function (child) { + write(", "); + literalEmitter(child.literal); + }); + } + write("]"); + } + function emitDownlevelTaggedTemplate(node) { + var tempVariable = createAndRecordTempVariable(0); + write("("); + emit(tempVariable); + write(" = "); + emitDownlevelTaggedTemplateArray(node, emit); + write(", "); + emit(tempVariable); + write(".raw = "); + emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); + write(", "); + emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); + write("("); + emit(tempVariable); + if (node.template.kind === 186) { + ts.forEach(node.template.templateSpans, function (templateSpan) { + write(", "); + var needsParens = templateSpan.expression.kind === 184 + && templateSpan.expression.operatorToken.kind === 24; + emitParenthesizedIf(templateSpan.expression, needsParens); + }); + } + write("))"); + } + function emitTemplateExpression(node) { + if (languageVersion >= 2) { + ts.forEachChild(node, emit); + return; + } + var emitOuterParens = ts.isExpression(node.parent) + && templateNeedsParens(node, node.parent); + if (emitOuterParens) { + write("("); + } + var headEmitted = false; + if (shouldEmitTemplateHead()) { + emitLiteral(node.head); + headEmitted = true; + } + for (var i = 0, n = node.templateSpans.length; i < n; i++) { + var templateSpan = node.templateSpans[i]; + var needsParens = templateSpan.expression.kind !== 175 + && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1; + if (i > 0 || headEmitted) { + write(" + "); + } + emitParenthesizedIf(templateSpan.expression, needsParens); + if (templateSpan.literal.text.length !== 0) { + write(" + "); + emitLiteral(templateSpan.literal); + } + } + if (emitOuterParens) { + write(")"); + } + function shouldEmitTemplateHead() { + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function templateNeedsParens(template, parent) { + switch (parent.kind) { + case 171: + case 172: + return parent.expression === template; + case 173: + case 175: + return false; + default: + return comparePrecedenceToBinaryPlus(parent) !== -1; + } + } + function comparePrecedenceToBinaryPlus(expression) { + switch (expression.kind) { + case 184: + switch (expression.operatorToken.kind) { + case 37: + case 39: + case 40: + return 1; + case 35: + case 36: + return 0; + default: + return -1; + } + case 187: + case 185: + return -1; + default: + return 1; + } + } + } + function emitTemplateSpan(span) { + emit(span.expression); + emit(span.literal); + } + function jsxEmitReact(node) { + function emitTagName(name) { + if (name.kind === 69 && ts.isIntrinsicJsxName(name.text)) { + write("\""); + emit(name); + write("\""); + } + else { + emit(name); + } + } + function emitAttributeName(name) { + if (/^[A-Za-z_]\w*$/.test(name.text)) { + emit(name); + } + else { + write("\""); + emit(name); + write("\""); + } + } + function emitJsxAttribute(node) { + emitAttributeName(node.name); + write(": "); + if (node.initializer) { + emit(node.initializer); + } + else { + write("true"); + } + } + function emitJsxElement(openingNode, children) { + var syntheticReactRef = ts.createSynthesizedNode(69); + syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + syntheticReactRef.parent = openingNode; + emitLeadingComments(openingNode); + emitExpressionIdentifier(syntheticReactRef); + write(".createElement("); + emitTagName(openingNode.tagName); + write(", "); + if (openingNode.attributes.length === 0) { + write("null"); + } + else { + var attrs = openingNode.attributes; + if (ts.forEach(attrs, function (attr) { return attr.kind === 242; })) { + emitExpressionIdentifier(syntheticReactRef); + write(".__spread("); + var haveOpenedObjectLiteral = false; + for (var i = 0; i < attrs.length; i++) { + if (attrs[i].kind === 242) { + if (i === 0) { + write("{}, "); + } + if (haveOpenedObjectLiteral) { + write("}"); + haveOpenedObjectLiteral = false; + } + if (i > 0) { + write(", "); + } + emit(attrs[i].expression); + } + else { + ts.Debug.assert(attrs[i].kind === 241); + if (haveOpenedObjectLiteral) { + write(", "); + } + else { + haveOpenedObjectLiteral = true; + if (i > 0) { + write(", "); + } + write("{"); + } + emitJsxAttribute(attrs[i]); + } + } + if (haveOpenedObjectLiteral) + write("}"); + write(")"); + } + else { + write("{"); + for (var i = 0, n = attrs.length; i < n; i++) { + if (i > 0) { + write(", "); + } + emitJsxAttribute(attrs[i]); + } + write("}"); + } + } + if (children) { + for (var i = 0; i < children.length; i++) { + if (children[i].kind === 243 && !(children[i].expression)) { + continue; + } + if (children[i].kind === 239) { + var text = getTextToEmit(children[i]); + if (text !== undefined) { + write(", \""); + write(text); + write("\""); + } + } + else { + write(", "); + emit(children[i]); + } + } + } + write(")"); + emitTrailingComments(openingNode); + } + if (node.kind === 236) { + emitJsxElement(node.openingElement, node.children); + } + else { + ts.Debug.assert(node.kind === 237); + emitJsxElement(node); + } + } + function jsxEmitPreserve(node) { + function emitJsxAttribute(node) { + emit(node.name); + if (node.initializer) { + write("="); + emit(node.initializer); + } + } + function emitJsxSpreadAttribute(node) { + write("{..."); + emit(node.expression); + write("}"); + } + function emitAttributes(attribs) { + for (var i = 0, n = attribs.length; i < n; i++) { + if (i > 0) { + write(" "); + } + if (attribs[i].kind === 242) { + emitJsxSpreadAttribute(attribs[i]); + } + else { + ts.Debug.assert(attribs[i].kind === 241); + emitJsxAttribute(attribs[i]); + } + } + } + function emitJsxOpeningOrSelfClosingElement(node) { + write("<"); + emit(node.tagName); + if (node.attributes.length > 0 || (node.kind === 237)) { + write(" "); + } + emitAttributes(node.attributes); + if (node.kind === 237) { + write("/>"); + } + else { + write(">"); + } + } + function emitJsxClosingElement(node) { + write(""); + } + function emitJsxElement(node) { + emitJsxOpeningOrSelfClosingElement(node.openingElement); + for (var i = 0, n = node.children.length; i < n; i++) { + emit(node.children[i]); + } + emitJsxClosingElement(node.closingElement); + } + if (node.kind === 236) { + emitJsxElement(node); + } + else { + ts.Debug.assert(node.kind === 237); + emitJsxOpeningOrSelfClosingElement(node); + } + } + function emitExpressionForPropertyName(node) { + ts.Debug.assert(node.kind !== 166); + if (node.kind === 9) { + emitLiteral(node); + } + else if (node.kind === 137) { + if (ts.nodeIsDecorated(node.parent)) { + if (!computedPropertyNamesToGeneratedNames) { + computedPropertyNamesToGeneratedNames = []; + } + var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; + if (generatedName) { + write(generatedName); + return; + } + generatedName = createAndRecordTempVariable(0).text; + computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; + write(generatedName); + write(" = "); + } + emit(node.expression); + } + else { + write("\""); + if (node.kind === 8) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + write("\""); + } + } + function isExpressionIdentifier(node) { + var parent = node.parent; + switch (parent.kind) { + case 167: + case 192: + case 184: + case 171: + case 244: + case 137: + case 185: + case 140: + case 178: + case 200: + case 170: + case 230: + case 198: + case 191: + case 202: + case 203: + case 204: + case 199: + case 240: + case 237: + case 238: + case 242: + case 243: + case 172: + case 175: + case 183: + case 182: + case 207: + case 249: + case 188: + case 209: + case 173: + case 193: + case 211: + case 174: + case 179: + case 180: + case 201: + case 208: + case 187: + return true; + case 166: + case 250: + case 139: + case 248: + case 142: + case 214: + return parent.initializer === node; + case 169: + return parent.expression === node; + case 177: + case 176: + return parent.body === node; + case 224: + return parent.moduleReference === node; + case 136: + return parent.left === node; + } + return false; + } + function emitExpressionIdentifier(node) { + var container = resolver.getReferencedExportContainer(node); + if (container) { + if (container.kind === 251) { + if (modulekind !== 5 && modulekind !== 4) { + write("exports."); + } + } + else { + write(getGeneratedNameForNode(container)); + write("."); + } + } + else { + if (modulekind !== 5) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (declaration.kind === 226) { + write(getGeneratedNameForNode(declaration.parent)); + write(languageVersion === 0 ? "[\"default\"]" : ".default"); + return; + } + else if (declaration.kind === 229) { + write(getGeneratedNameForNode(declaration.parent.parent.parent)); + var name_24 = declaration.propertyName || declaration.name; + var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); + if (languageVersion === 0 && identifier === "default") { + write("[\"default\"]"); + } + else { + write("."); + write(identifier); + } + return; + } + } + } + if (languageVersion < 2) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + write(getGeneratedNameForNode(declaration.name)); + return; + } + } + else if (resolver.getNodeCheckFlags(node) & 1048576) { + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; + if (classAlias !== undefined) { + write(classAlias); + return; + } + } + } + } + if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { + if (languageVersion < 2) { + var parent_8 = node.parent; + switch (parent_8.kind) { + case 166: + case 217: + case 220: + case 214: + return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); + } + } + return false; + } + function emitIdentifier(node) { + if (convertedLoopState) { + if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { + var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); + write(name_25); + return; + } + } + if (!node.parent) { + write(node.text); + } + else if (isExpressionIdentifier(node)) { + emitExpressionIdentifier(node); + } + else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { + write(getGeneratedNameForNode(node)); + } + else if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function emitThis(node) { + if (resolver.getNodeCheckFlags(node) & 2) { + write("_this"); + } + else if (convertedLoopState) { + write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); + } + else { + write("this"); + } + } + function emitSuper(node) { + if (languageVersion >= 2) { + write("super"); + } + else { + var flags = resolver.getNodeCheckFlags(node); + if (flags & 256) { + write("_super.prototype"); + } + else { + write("_super"); + } + } + } + function emitObjectBindingPattern(node) { + write("{ "); + var elements = node.elements; + emitList(elements, 0, elements.length, false, elements.hasTrailingComma); + write(" }"); + } + function emitArrayBindingPattern(node) { + write("["); + var elements = node.elements; + emitList(elements, 0, elements.length, false, elements.hasTrailingComma); + write("]"); + } + function emitBindingElement(node) { + if (node.propertyName) { + emit(node.propertyName); + write(": "); + } + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emit(node.name); + } + else { + emitModuleMemberName(node); + } + emitOptional(" = ", node.initializer); + } + function emitSpreadElementExpression(node) { + write("..."); + emit(node.expression); + } + function emitYieldExpression(node) { + write(ts.tokenToString(114)); + if (node.asteriskToken) { + write("*"); + } + if (node.expression) { + write(" "); + emit(node.expression); + } + } + function emitAwaitExpression(node) { + var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); + if (needsParenthesis) { + write("("); + } + write(ts.tokenToString(114)); + write(" "); + emit(node.expression); + if (needsParenthesis) { + write(")"); + } + } + function needsParenthesisForAwaitExpressionAsYield(node) { + if (node.parent.kind === 184 && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { + return true; + } + else if (node.parent.kind === 185 && node.parent.condition === node) { + return true; + } + return false; + } + function needsParenthesisForPropertyAccessOrInvocation(node) { + switch (node.kind) { + case 69: + case 167: + case 169: + case 170: + case 171: + case 175: + return false; + } + return true; + } + function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { + var pos = 0; + var group = 0; + var length = elements.length; + while (pos < length) { + if (group === 1 && useConcat) { + write(".concat("); + } + else if (group > 0) { + write(", "); + } + var e = elements[pos]; + if (e.kind === 188) { + e = e.expression; + emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); + pos++; + if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167) { + write(".slice()"); + } + } + else { + var i = pos; + while (i < length && elements[i].kind !== 188) { + i++; + } + write("["); + if (multiLine) { + increaseIndent(); + } + emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); + if (multiLine) { + decreaseIndent(); + } + write("]"); + pos = i; + } + group++; + } + if (group > 1) { + if (useConcat) { + write(")"); + } + } + } + function isSpreadElementExpression(node) { + return node.kind === 188; + } + function emitArrayLiteral(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); + } + else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) { + write("["); + emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false); + write("]"); + } + else { + emitListWithSpread(elements, true, (node.flags & 1024) !== 0, elements.hasTrailingComma, true); + } + } + function emitObjectLiteralBody(node, numElements) { + if (numElements === 0) { + write("{}"); + return; + } + write("{"); + if (numElements > 0) { + var properties = node.properties; + if (numElements === properties.length) { + emitLinePreservingList(node, properties, languageVersion >= 1, true); + } + else { + var multiLine = (node.flags & 1024) !== 0; + if (!multiLine) { + write(" "); + } + else { + increaseIndent(); + } + emitList(properties, 0, numElements, multiLine, false); + if (!multiLine) { + write(" "); + } + else { + decreaseIndent(); + } + } + } + write("}"); + } + function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { + var multiLine = (node.flags & 1024) !== 0; + var properties = node.properties; + write("("); + if (multiLine) { + increaseIndent(); + } + var tempVar = createAndRecordTempVariable(0); + emit(tempVar); + write(" = "); + emitObjectLiteralBody(node, firstComputedPropertyIndex); + for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { + writeComma(); + var property = properties[i]; + emitStart(property); + if (property.kind === 146 || property.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property !== accessors.firstAccessor) { + continue; + } + write("Object.defineProperty("); + emit(tempVar); + write(", "); + emitStart(node.name); + emitExpressionForPropertyName(property.name); + emitEnd(property.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("})"); + emitEnd(property); + } + else { + emitLeadingComments(property); + emitStart(property.name); + emit(tempVar); + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + if (property.kind === 248) { + emit(property.initializer); + } + else if (property.kind === 249) { + emitExpressionIdentifier(property.name); + } + else if (property.kind === 144) { + emitFunctionDeclaration(property); + } + else { + ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); + } + } + emitEnd(property); + } + writeComma(); + emit(tempVar); + if (multiLine) { + decreaseIndent(); + writeLine(); + } + write(")"); + function writeComma() { + if (multiLine) { + write(","); + writeLine(); + } + else { + write(", "); + } + } + } + function emitObjectLiteral(node) { + var properties = node.properties; + if (languageVersion < 2) { + var numProperties = properties.length; + var numInitialNonComputedProperties = numProperties; + for (var i = 0, n = properties.length; i < n; i++) { + if (properties[i].name.kind === 137) { + numInitialNonComputedProperties = i; + break; + } + } + var hasComputedProperty = numInitialNonComputedProperties !== properties.length; + if (hasComputedProperty) { + emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); + return; + } + } + emitObjectLiteralBody(node, properties.length); + } + function createBinaryExpression(left, operator, right, startsOnNewLine) { + var result = ts.createSynthesizedNode(184, startsOnNewLine); + result.operatorToken = ts.createSynthesizedNode(operator); + result.left = left; + result.right = right; + return result; + } + function createPropertyAccessExpression(expression, name) { + var result = ts.createSynthesizedNode(169); + result.expression = parenthesizeForAccess(expression); + result.dotToken = ts.createSynthesizedNode(21); + result.name = name; + return result; + } + function createElementAccessExpression(expression, argumentExpression) { + var result = ts.createSynthesizedNode(170); + result.expression = parenthesizeForAccess(expression); + result.argumentExpression = argumentExpression; + return result; + } + function parenthesizeForAccess(expr) { + while (expr.kind === 174 || expr.kind === 192) { + expr = expr.expression; + } + if (ts.isLeftHandSideExpression(expr) && + expr.kind !== 172 && + expr.kind !== 8) { + return expr; + } + var node = ts.createSynthesizedNode(175); + node.expression = expr; + return node; + } + function emitComputedPropertyName(node) { + write("["); + emitExpressionForPropertyName(node); + write("]"); + } + function emitMethod(node) { + if (languageVersion >= 2 && node.asteriskToken) { + write("*"); + } + emit(node.name); + if (languageVersion < 2) { + write(": function "); + } + emitSignatureAndBody(node); + } + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + emitTrailingCommentsOfPosition(node.initializer.pos); + emit(node.initializer); + } + function isNamespaceExportReference(node) { + var container = resolver.getReferencedExportContainer(node); + return container && container.kind !== 251; + } + function emitShorthandPropertyAssignment(node) { + writeTextOfNode(currentText, node.name); + if (modulekind !== 5 || isNamespaceExportReference(node.name)) { + write(": "); + emit(node.name); + } + if (languageVersion >= 2 && node.objectAssignmentInitializer) { + write(" = "); + emit(node.objectAssignmentInitializer); + } + } + function tryEmitConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + write(constantValue.toString()); + if (!compilerOptions.removeComments) { + var propertyName = node.kind === 169 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); + write(" /* " + propertyName + " */"); + } + return true; + } + return false; + } + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; + } + return node.kind === 169 || node.kind === 170 + ? resolver.getConstantValue(node) + : undefined; + } + function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { + var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); + var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); + if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { + increaseIndent(); + writeLine(); + return true; + } + else { + if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + return false; + } + } + function emitPropertyAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 && + node.expression.kind === 95 && + isInAsyncMethodWithSuperInES6(node)) { + var name_26 = ts.createSynthesizedNode(9); + name_26.text = node.name.text; + emitSuperAccessInAsyncMethod(node.expression, name_26); + return; + } + emit(node.expression); + var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); + var shouldEmitSpace = false; + if (!indentedBeforeDot) { + if (node.expression.kind === 8) { + var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); + shouldEmitSpace = text.indexOf(ts.tokenToString(21)) < 0; + } + else { + var constantValue = tryGetConstEnumValue(node.expression); + shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; + } + } + if (shouldEmitSpace) { + write(" ."); + } + else { + write("."); + } + var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); + emit(node.name); + decreaseIndentIf(indentedBeforeDot, indentedAfterDot); + } + function emitQualifiedName(node) { + emit(node.left); + write("."); + emit(node.right); + } + function emitQualifiedNameAsExpression(node, useFallback) { + if (node.left.kind === 69) { + emitEntityNameAsExpression(node.left, useFallback); + } + else if (useFallback) { + var temp = createAndRecordTempVariable(0); + write("("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(node.left, true); + write(") && "); + emitNodeWithoutSourceMap(temp); + } + else { + emitEntityNameAsExpression(node.left, false); + } + write("."); + emit(node.right); + } + function emitEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 69: + if (useFallback) { + write("typeof "); + emitExpressionIdentifier(node); + write(" !== 'undefined' && "); + } + emitExpressionIdentifier(node); + break; + case 136: + emitQualifiedNameAsExpression(node, useFallback); + break; + default: + emitNodeWithoutSourceMap(node); + break; + } + } + function emitIndexedAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 && + node.expression.kind === 95 && + isInAsyncMethodWithSuperInES6(node)) { + emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); + return; + } + emit(node.expression); + write("["); + emit(node.argumentExpression); + write("]"); + } + function hasSpreadElement(elements) { + return ts.forEach(elements, function (e) { return e.kind === 188; }); + } + function skipParentheses(node) { + while (node.kind === 175 || node.kind === 174 || node.kind === 192) { + node = node.expression; + } + return node; + } + function emitCallTarget(node) { + if (node.kind === 69 || node.kind === 97 || node.kind === 95) { + emit(node); + return node; + } + var temp = createAndRecordTempVariable(0); + write("("); + emit(temp); + write(" = "); + emit(node); + write(")"); + return temp; + } + function emitCallWithSpread(node) { + var target; + var expr = skipParentheses(node.expression); + if (expr.kind === 169) { + target = emitCallTarget(expr.expression); + write("."); + emit(expr.name); + } + else if (expr.kind === 170) { + target = emitCallTarget(expr.expression); + write("["); + emit(expr.argumentExpression); + write("]"); + } + else if (expr.kind === 95) { + target = expr; + write("_super"); + } + else { + emit(node.expression); + } + write(".apply("); + if (target) { + if (target.kind === 95) { + emitThis(target); + } + else { + emit(target); + } + } + else { + write("void 0"); + } + write(", "); + emitListWithSpread(node.arguments, false, false, false, true); + write(")"); + } + function isInAsyncMethodWithSuperInES6(node) { + if (languageVersion === 2) { + var container = ts.getSuperContainer(node, false); + if (container && resolver.getNodeCheckFlags(container) & (2048 | 4096)) { + return true; + } + } + return false; + } + function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { + var container = ts.getSuperContainer(superNode, false); + var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096; + write("_super("); + emit(argumentExpression); + write(isSuperBinding ? ").value" : ")"); + } + function emitCallExpression(node) { + if (languageVersion < 2 && hasSpreadElement(node.arguments)) { + emitCallWithSpread(node); + return; + } + var expression = node.expression; + var superCall = false; + var isAsyncMethodWithSuper = false; + if (expression.kind === 95) { + emitSuper(expression); + superCall = true; + } + else { + superCall = ts.isSuperPropertyOrElementAccess(expression); + isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); + emit(expression); + } + if (superCall && (languageVersion < 2 || isAsyncMethodWithSuper)) { + write(".call("); + emitThis(expression); + if (node.arguments.length) { + write(", "); + emitCommaList(node.arguments); + } + write(")"); + } + else { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + function emitNewExpression(node) { + write("new "); + if (languageVersion === 1 && + node.arguments && + hasSpreadElement(node.arguments)) { + write("("); + var target = emitCallTarget(node.expression); + write(".bind.apply("); + emit(target); + write(", [void 0].concat("); + emitListWithSpread(node.arguments, false, false, false, false); + write(")))"); + write("()"); + } + else { + emit(node.expression); + if (node.arguments) { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + } + function emitTaggedTemplateExpression(node) { + if (languageVersion >= 2) { + emit(node.tag); + write(" "); + emit(node.template); + } + else { + emitDownlevelTaggedTemplate(node); + } + } + function emitParenExpression(node) { + if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177) { + if (node.expression.kind === 174 || node.expression.kind === 192) { + var operand = node.expression.expression; + while (operand.kind === 174 || operand.kind === 192) { + operand = operand.expression; + } + if (operand.kind !== 182 && + operand.kind !== 180 && + operand.kind !== 179 && + operand.kind !== 178 && + operand.kind !== 183 && + operand.kind !== 172 && + !(operand.kind === 171 && node.parent.kind === 172) && + !(operand.kind === 176 && node.parent.kind === 171) && + !(operand.kind === 8 && node.parent.kind === 169)) { + emit(operand); + return; + } + } + } + write("("); + emit(node.expression); + write(")"); + } + function emitDeleteExpression(node) { + write(ts.tokenToString(78)); + write(" "); + emit(node.expression); + } + function emitVoidExpression(node) { + write(ts.tokenToString(103)); + write(" "); + emit(node.expression); + } + function emitTypeOfExpression(node) { + write(ts.tokenToString(101)); + write(" "); + emit(node.expression); + } + function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { + if (!isCurrentFileSystemExternalModule() || node.kind !== 69 || ts.nodeIsSynthesized(node)) { + return false; + } + var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 || node.parent.kind === 166); + var targetDeclaration = isVariableDeclarationOrBindingElement + ? node.parent + : resolver.getReferencedValueDeclaration(node); + return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, true); + } + function emitPrefixUnaryExpression(node) { + var exportChanged = (node.operator === 41 || node.operator === 42) && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + } + write(ts.tokenToString(node.operator)); + if (node.operand.kind === 182) { + var operand = node.operand; + if (node.operator === 35 && (operand.operator === 35 || operand.operator === 41)) { + write(" "); + } + else if (node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) { + write(" "); + } + } + emit(node.operand); + if (exportChanged) { + write(")"); + } + } + function emitPostfixUnaryExpression(node) { + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + write("(" + exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + write(ts.tokenToString(node.operator)); + emit(node.operand); + if (node.operator === 41) { + write(") - 1)"); + } + else { + write(") + 1)"); + } + } + else { + emit(node.operand); + write(ts.tokenToString(node.operator)); + } + } + function shouldHoistDeclarationInSystemJsModule(node) { + return isSourceFileLevelDeclarationInSystemJsModule(node, false); + } + function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { + if (!node || !isCurrentFileSystemExternalModule()) { + return false; + } + var current = ts.getRootDeclaration(node).parent; + while (current) { + if (current.kind === 251) { + return !isExported || ((ts.getCombinedNodeFlags(node) & 2) !== 0); + } + else if (ts.isDeclaration(current)) { + return false; + } + else { + current = current.parent; + } + } + } + function emitExponentiationOperator(node) { + var leftHandSideExpression = node.left; + if (node.operatorToken.kind === 60) { + var synthesizedLHS = void 0; + var shouldEmitParentheses = false; + if (ts.isElementAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(170, false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); + synthesizedLHS.expression = identifier; + if (leftHandSideExpression.argumentExpression.kind !== 8 && + leftHandSideExpression.argumentExpression.kind !== 9) { + var tempArgumentExpression = createAndRecordTempVariable(268435456); + synthesizedLHS.argumentExpression = tempArgumentExpression; + emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, true, leftHandSideExpression.expression); + } + else { + synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; + } + write(", "); + } + else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(169, false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); + synthesizedLHS.expression = identifier; + synthesizedLHS.dotToken = leftHandSideExpression.dotToken; + synthesizedLHS.name = leftHandSideExpression.name; + write(", "); + } + emit(synthesizedLHS || leftHandSideExpression); + write(" = "); + write("Math.pow("); + emit(synthesizedLHS || leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + if (shouldEmitParentheses) { + write(")"); + } + } + else { + write("Math.pow("); + emit(leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + } + } + function emitBinaryExpression(node) { + if (languageVersion < 2 && node.operatorToken.kind === 56 && + (node.left.kind === 168 || node.left.kind === 167)) { + emitDestructuring(node, node.parent.kind === 198); + } + else { + var exportChanged = node.operatorToken.kind >= 56 && + node.operatorToken.kind <= 68 && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.left); + write("\", "); + } + if (node.operatorToken.kind === 38 || node.operatorToken.kind === 60) { + emitExponentiationOperator(node); + } + else { + emit(node.left); + var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 ? " " : undefined); + write(ts.tokenToString(node.operatorToken.kind)); + var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); + emit(node.right); + decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); + } + if (exportChanged) { + write(")"); + } + } + } + function synthesizedNodeStartsOnNewLine(node) { + return ts.nodeIsSynthesized(node) && node.startsOnNewLine; + } + function emitConditionalExpression(node) { + emit(node.condition); + var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); + write("?"); + var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); + emit(node.whenTrue); + decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); + var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); + write(":"); + var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); + emit(node.whenFalse); + decreaseIndentIf(indentedBeforeColon, indentedAfterColon); + } + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function isSingleLineEmptyBlock(node) { + if (node && node.kind === 195) { + var block = node; + return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); + } + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + emitToken(15, node.pos); + write(" "); + emitToken(16, node.statements.end); + return; + } + emitToken(15, node.pos); + increaseIndent(); + if (node.kind === 222) { + ts.Debug.assert(node.parent.kind === 221); + emitCaptureThisForNodeIfNecessary(node.parent); + } + emitLines(node.statements); + if (node.kind === 222) { + emitTempDeclarations(true); + } + decreaseIndent(); + writeLine(); + emitToken(16, node.statements.end); + } + function emitEmbeddedStatement(node) { + if (node.kind === 195) { + write(" "); + emit(node); + } + else { + increaseIndent(); + writeLine(); + emit(node); + decreaseIndent(); + } + } + function emitExpressionStatement(node) { + emitParenthesizedIf(node.expression, node.expression.kind === 177); + write(";"); + } + function emitIfStatement(node) { + var endPos = emitToken(88, node.pos); + write(" "); + endPos = emitToken(17, endPos); + emit(node.expression); + emitToken(18, node.expression.end); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + emitToken(80, node.thenStatement.end); + if (node.elseStatement.kind === 199) { + write(" "); + emit(node.elseStatement); + } + else { + emitEmbeddedStatement(node.elseStatement); + } + } + } + function emitDoStatement(node) { + emitLoop(node, emitDoStatementWorker); + } + function emitDoStatementWorker(node, loop) { + write("do"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + if (node.statement.kind === 195) { + write(" "); + } + else { + writeLine(); + } + write("while ("); + emit(node.expression); + write(");"); + } + function emitWhileStatement(node) { + emitLoop(node, emitWhileStatementWorker); + } + function emitWhileStatementWorker(node, loop) { + write("while ("); + emit(node.expression); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function tryEmitStartOfVariableDeclarationList(decl) { + if (shouldHoistVariable(decl, true)) { + return false; + } + if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576) === 0) { + for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { + var varDecl = _b[_a]; + hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); + } + return false; + } + emitStart(decl); + if (decl && languageVersion >= 2) { + if (ts.isLet(decl)) { + write("let "); + } + else if (ts.isConst(decl)) { + write("const "); + } + else { + write("var "); + } + } + else { + write("var "); + } + return true; + } + function emitVariableDeclarationListSkippingUninitializedEntries(list) { + var started = false; + for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { + var decl = _b[_a]; + if (!decl.initializer) { + continue; + } + if (!started) { + started = true; + } + else { + write(", "); + } + emit(decl); + } + return started; + } + function shouldConvertLoopBody(node) { + return languageVersion < 2 && + (resolver.getNodeCheckFlags(node) & 65536) !== 0; + } + function emitLoop(node, loopEmitter) { + var shouldConvert = shouldConvertLoopBody(node); + if (!shouldConvert) { + loopEmitter(node, undefined); + } + else { + var loop = convertLoopBody(node); + if (node.parent.kind === 210) { + emitLabelAndColon(node.parent); + } + loopEmitter(node, loop); + } + } + function convertLoopBody(node) { + var functionName = makeUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 202: + case 203: + case 204: + var initializer = node.initializer; + if (initializer && initializer.kind === 215) { + loopInitializer = node.initializer; + } + break; + } + var loopParameters; + var loopOutParameters; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576)) { + loopParameters = []; + for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { + var varDeclaration = _b[_a]; + processVariableDeclaration(varDeclaration.name); + } + } + var bodyIsBlock = node.statement.kind === 195; + var paramList = loopParameters ? loopParameters.join(", ") : ""; + writeLine(); + write("var " + functionName + " = function(" + paramList + ")"); + var convertedOuterLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (convertedOuterLoopState) { + if (convertedOuterLoopState.argumentsName) { + convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; + } + if (convertedOuterLoopState.thisName) { + convertedLoopState.thisName = convertedOuterLoopState.thisName; + } + if (convertedOuterLoopState.hoistedLocalVariables) { + convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; + } + } + write(" {"); + writeLine(); + increaseIndent(); + if (bodyIsBlock) { + emitLines(node.statement.statements); + } + else { + emit(node.statement); + } + writeLine(); + copyLoopOutParameters(convertedLoopState, 1, true); + decreaseIndent(); + writeLine(); + write("};"); + writeLine(); + if (loopOutParameters) { + write("var "); + for (var i = 0; i < loopOutParameters.length; i++) { + if (i !== 0) { + write(", "); + } + write(loopOutParameters[i].outParamName); + } + write(";"); + writeLine(); + } + if (convertedLoopState.argumentsName) { + if (convertedOuterLoopState) { + convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; + } + else { + write("var " + convertedLoopState.argumentsName + " = arguments;"); + writeLine(); + } + } + if (convertedLoopState.thisName) { + if (convertedOuterLoopState) { + convertedOuterLoopState.thisName = convertedLoopState.thisName; + } + else { + write("var " + convertedLoopState.thisName + " = this;"); + writeLine(); + } + } + if (convertedLoopState.hoistedLocalVariables) { + if (convertedOuterLoopState) { + convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; + } + else { + write("var "); + var seen = void 0; + for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { + var id = _d[_c]; + if (!seen) { + seen = {}; + } + else { + write(", "); + } + if (!ts.hasProperty(seen, id.text)) { + emit(id); + seen[id.text] = id.text; + } + } + write(";"); + writeLine(); + } + } + var currentLoopState = convertedLoopState; + convertedLoopState = convertedOuterLoopState; + return { functionName: functionName, paramList: paramList, state: currentLoopState }; + function processVariableDeclaration(name) { + if (name.kind === 69) { + var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) + ? getGeneratedNameForNode(name) + : name.text; + loopParameters.push(nameText); + if (resolver.getNodeCheckFlags(name.parent) & 2097152) { + var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; + (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); + } + } + else { + for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { + var element = _b[_a]; + processVariableDeclaration(element.name); + } + } + } + } + function emitNormalLoopBody(node, emitAsEmbeddedStatement) { + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 | 4; + } + if (emitAsEmbeddedStatement) { + emitEmbeddedStatement(node.statement); + } + else if (node.statement.kind === 195) { + emitLines(node.statement.statements); + } + else { + writeLine(); + emit(node.statement); + } + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function copyLoopOutParameters(state, copyDirection, emitAsStatements) { + if (state.loopOutParameters) { + for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { + var outParam = _b[_a]; + if (copyDirection === 0) { + emitIdentifier(outParam.originalName); + write(" = " + outParam.outParamName); + } + else { + write(outParam.outParamName + " = "); + emitIdentifier(outParam.originalName); + } + if (emitAsStatements) { + write(";"); + writeLine(); + } + else { + write(", "); + } + } + } + } + function emitConvertedLoopCall(loop, emitAsBlock) { + if (emitAsBlock) { + write(" {"); + writeLine(); + increaseIndent(); + } + var isSimpleLoop = !loop.state.nonLocalJumps && + !loop.state.labeledNonLocalBreaks && + !loop.state.labeledNonLocalContinues; + var loopResult = makeUniqueName("state"); + if (!isSimpleLoop) { + write("var " + loopResult + " = "); + } + write(loop.functionName + "(" + loop.paramList + ");"); + writeLine(); + copyLoopOutParameters(loop.state, 0, true); + if (!isSimpleLoop) { + writeLine(); + if (loop.state.nonLocalJumps & 8) { + write("if (typeof " + loopResult + " === \"object\") "); + if (convertedLoopState) { + write("return " + loopResult + ";"); + convertedLoopState.nonLocalJumps |= 8; + } + else { + write("return " + loopResult + ".value;"); + } + writeLine(); + } + if (loop.state.nonLocalJumps & 2) { + write("if (" + loopResult + " === \"break\") break;"); + writeLine(); + } + if (loop.state.nonLocalJumps & 4) { + write("if (" + loopResult + " === \"continue\") continue;"); + writeLine(); + } + emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); + } + if (emitAsBlock) { + writeLine(); + decreaseIndent(); + write("}"); + } + function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { + if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { + return; + } + write("switch(" + loopResultVariable + ") {"); + increaseIndent(); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, true, loopResultVariable, outerLoop); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, false, loopResultVariable, outerLoop); + decreaseIndent(); + writeLine(); + write("}"); + } + function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + writeLine(); + write("case \"" + labelMarker + "\": "); + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + if (isBreak) { + write("break "); + } + else { + write("continue "); + } + write(labelText + ";"); + } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + write("return " + loopResultVariable + ";"); + } + } + } + } + function emitForStatement(node) { + emitLoop(node, emitForStatementWorker); + } + function emitForStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + if (node.initializer && node.initializer.kind === 215) { + var variableDeclarationList = node.initializer; + var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); + if (startIsEmitted) { + emitCommaList(variableDeclarationList.declarations); + } + else { + emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); + } + } + else if (node.initializer) { + emit(node.initializer); + } + write(";"); + emitOptional(" ", node.condition); + write(";"); + emitOptional(" ", node.incrementor); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function emitForInOrForOfStatement(node) { + if (languageVersion < 2 && node.kind === 204) { + emitLoop(node, emitDownLevelForOfStatementWorker); + } + else { + emitLoop(node, emitForInOrForOfStatementWorker); + } + } + function emitForInOrForOfStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + if (node.initializer.kind === 215) { + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length >= 1) { + tryEmitStartOfVariableDeclarationList(variableDeclarationList); + emit(variableDeclarationList.declarations[0]); + } + } + else { + emit(node.initializer); + } + if (node.kind === 203) { + write(" in "); + } + else { + write(" of "); + } + emit(node.expression); + emitToken(18, node.expression.end); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function emitDownLevelForOfStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + var counter = createTempVariable(268435456); + var rhsReference = ts.createSynthesizedNode(69); + rhsReference.text = node.expression.kind === 69 ? + makeUniqueName(node.expression.text) : + makeTempVariableName(0); + emitStart(node.expression); + write("var "); + emitNodeWithoutSourceMap(counter); + write(" = 0"); + emitEnd(node.expression); + write(", "); + emitStart(node.expression); + emitNodeWithoutSourceMap(rhsReference); + write(" = "); + emitNodeWithoutSourceMap(node.expression); + emitEnd(node.expression); + write("; "); + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write(" < "); + emitNodeWithCommentsAndWithoutSourcemap(rhsReference); + write(".length"); + emitEnd(node.expression); + write("; "); + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write("++"); + emitEnd(node.expression); + emitToken(18, node.expression.end); + write(" {"); + writeLine(); + increaseIndent(); + var rhsIterationValue = createElementAccessExpression(rhsReference, counter); + emitStart(node.initializer); + if (node.initializer.kind === 215) { + write("var "); + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length > 0) { + var declaration = variableDeclarationList.declarations[0]; + if (ts.isBindingPattern(declaration.name)) { + emitDestructuring(declaration, false, rhsIterationValue); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(declaration); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + emitNodeWithoutSourceMap(createTempVariable(0)); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + var assignmentExpression = createBinaryExpression(node.initializer, 56, rhsIterationValue, false); + if (node.initializer.kind === 167 || node.initializer.kind === 168) { + emitDestructuring(assignmentExpression, true, undefined); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); + } + } + emitEnd(node.initializer); + write(";"); + if (loop) { + writeLine(); + emitConvertedLoopCall(loop, false); + } + else { + emitNormalLoopBody(node, false); + } + writeLine(); + decreaseIndent(); + write("}"); + } + function emitBreakOrContinueStatement(node) { + if (convertedLoopState) { + var jump = node.kind === 206 ? 2 : 4; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + write("return "); + copyLoopOutParameters(convertedLoopState, 1, false); + if (!node.label) { + if (node.kind === 206) { + convertedLoopState.nonLocalJumps |= 2; + write("\"break\";"); + } + else { + convertedLoopState.nonLocalJumps |= 4; + write("\"continue\";"); + } + } + else { + var labelMarker = void 0; + if (node.kind === 206) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); + } + write("\"" + labelMarker + "\";"); + } + return; + } + } + emitToken(node.kind === 206 ? 70 : 75, node.pos); + emitOptional(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + if (convertedLoopState) { + convertedLoopState.nonLocalJumps |= 8; + write("return { value: "); + if (node.expression) { + emit(node.expression); + } + else { + write("void 0"); + } + write(" };"); + return; + } + emitToken(94, node.pos); + emitOptional(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emit(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var endPos = emitToken(96, node.pos); + write(" "); + emitToken(17, endPos); + emit(node.expression); + endPos = emitToken(18, node.expression.end); + write(" "); + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps |= 2; + } + emitCaseBlock(node.caseBlock, endPos); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function emitCaseBlock(node, startPos) { + emitToken(15, startPos); + increaseIndent(); + emitLines(node.clauses); + decreaseIndent(); + writeLine(); + emitToken(16, node.clauses.end); + } + function nodeStartPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function nodeEndPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); + } + function nodeEndIsOnSameLineAsNodeStart(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function emitCaseOrDefaultClause(node) { + if (node.kind === 244) { + write("case "); + emit(node.expression); + write(":"); + } + else { + write("default:"); + } + if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { + write(" "); + emit(node.statements[0]); + } + else { + increaseIndent(); + emitLines(node.statements); + decreaseIndent(); + } + } + function emitThrowStatement(node) { + write("throw "); + emit(node.expression); + write(";"); + } + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); + } + } + function emitCatchClause(node) { + writeLine(); + var endPos = emitToken(72, node.pos); + write(" "); + emitToken(17, endPos); + emit(node.variableDeclaration); + emitToken(18, node.variableDeclaration ? node.variableDeclaration.end : endPos); + write(" "); + emitBlock(node.block); + } + function emitDebuggerStatement(node) { + emitToken(76, node.pos); + write(";"); + } + function emitLabelAndColon(node) { + emit(node.label); + write(": "); + } + function emitLabeledStatement(node) { + if (!ts.isIterationStatement(node.statement, false) || !shouldConvertLoopBody(node.statement)) { + emitLabelAndColon(node); + } + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = {}; + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + emit(node.statement); + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + } + function getContainingModule(node) { + do { + node = node.parent; + } while (node && node.kind !== 221); + return node; + } + function emitContainingModuleName(node) { + var container = getContainingModule(node); + write(container ? getGeneratedNameForNode(container) : "exports"); + } + function emitModuleMemberName(node) { + emitStart(node.name); + if (ts.getCombinedNodeFlags(node) & 2) { + var container = getContainingModule(node); + if (container) { + write(getGeneratedNameForNode(container)); + write("."); + } + else if (modulekind !== 5 && modulekind !== 4) { + write("exports."); + } + } + emitNodeWithCommentsAndWithoutSourcemap(node.name); + emitEnd(node.name); + } + function createVoidZero() { + var zero = ts.createSynthesizedNode(8); + zero.text = "0"; + var result = ts.createSynthesizedNode(180); + result.expression = zero; + return result; + } + function emitEs6ExportDefaultCompat(node) { + if (node.parent.kind === 251) { + ts.Debug.assert(!!(node.flags & 512) || node.kind === 230); + if (modulekind === 1 || modulekind === 2 || modulekind === 3) { + if (!isEs6Module) { + if (languageVersion !== 0) { + write("Object.defineProperty(exports, \"__esModule\", { value: true });"); + writeLine(); + } + else { + write("exports.__esModule = true;"); + writeLine(); + } + } + } + } + } + function emitExportMemberAssignment(node) { + if (node.flags & 2) { + writeLine(); + emitStart(node); + if (modulekind === 4 && node.parent === currentSourceFile) { + write(exportFunctionForFile + "(\""); + if (node.flags & 512) { + write("default"); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + write("\", "); + emitDeclarationName(node); + write(")"); + } + else { + if (node.flags & 512) { + emitEs6ExportDefaultCompat(node); + if (languageVersion === 0) { + write("exports[\"default\"]"); + } + else { + write("exports.default"); + } + } + else { + emitModuleMemberName(node); + } + write(" = "); + emitDeclarationName(node); + } + emitEnd(node); + write(";"); + } + } + function emitExportMemberAssignments(name) { + if (modulekind === 4) { + return; + } + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { + var specifier = _b[_a]; + writeLine(); + emitStart(specifier.name); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + emitEnd(specifier.name); + write(" = "); + emitExpressionIdentifier(name); + write(";"); + } + } + } + function emitExportSpecifierInSystemModule(specifier) { + ts.Debug.assert(modulekind === 4); + if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { + return; + } + writeLine(); + emitStart(specifier.name); + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write("\", "); + emitExpressionIdentifier(specifier.propertyName || specifier.name); + write(")"); + emitEnd(specifier.name); + write(";"); + } + function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { + if (shouldEmitCommaBeforeAssignment) { + write(", "); + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(name); + write("\", "); + } + var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 || name.parent.kind === 166); + emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); + withTemporaryNoSourceMap(function () { + if (isVariableDeclarationOrBindingElement) { + emitModuleMemberName(name.parent); + } + else { + emit(name); + } + write(" = "); + emit(value); + }); + emitEnd(nodeForSourceMap, true); + if (exportChanged) { + write(")"); + } + } + function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { + var identifier = createTempVariable(0); + if (!canDefineTempVariablesInPlace) { + recordTempDeclaration(identifier); + } + emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); + return identifier; + } + function isFirstVariableDeclaration(root) { + return root.kind === 214 && + root.parent.kind === 215 && + root.parent.declarations[0] === root; + } + function emitDestructuring(root, isAssignmentExpressionStatement, value) { + var emitCount = 0; + var canDefineTempVariablesInPlace = false; + if (root.kind === 214) { + var isExported = ts.getCombinedNodeFlags(root) & 2; + var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); + canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; + } + else if (root.kind === 139) { + canDefineTempVariablesInPlace = true; + } + if (root.kind === 184) { + emitAssignmentExpression(root); + } + else { + ts.Debug.assert(!isAssignmentExpressionStatement); + if (isFirstVariableDeclaration(root)) { + sourceMap.changeEmitSourcePos(); + } + emitBindingElement(root, value); + } + function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { + if (expr.kind === 69 && reuseIdentifierExpressions) { + return expr; + } + var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); + emitCount++; + return identifier; + } + function createDefaultValueCheck(value, defaultValue, sourceMapNode) { + value = ensureIdentifier(value, true, sourceMapNode); + var equals = ts.createSynthesizedNode(184); + equals.left = value; + equals.operatorToken = ts.createSynthesizedNode(32); + equals.right = createVoidZero(); + return createConditionalExpression(equals, defaultValue, value); + } + function createConditionalExpression(condition, whenTrue, whenFalse) { + var cond = ts.createSynthesizedNode(185); + cond.condition = condition; + cond.questionToken = ts.createSynthesizedNode(53); + cond.whenTrue = whenTrue; + cond.colonToken = ts.createSynthesizedNode(54); + cond.whenFalse = whenFalse; + return cond; + } + function createNumericLiteral(value) { + var node = ts.createSynthesizedNode(8); + node.text = "" + value; + return node; + } + function createPropertyAccessForDestructuringProperty(object, propName) { + var index; + var nameIsComputed = propName.kind === 137; + if (nameIsComputed) { + index = ensureIdentifier(propName.expression, false, propName); + } + else { + index = ts.createSynthesizedNode(propName.kind); + index.text = ts.unescapeIdentifier(propName.text); + } + return !nameIsComputed && index.kind === 69 + ? createPropertyAccessExpression(object, index) + : createElementAccessExpression(object, index); + } + function createSliceCall(value, sliceIndex) { + var call = ts.createSynthesizedNode(171); + var sliceIdentifier = ts.createSynthesizedNode(69); + sliceIdentifier.text = "slice"; + call.expression = createPropertyAccessExpression(value, sliceIdentifier); + call.arguments = ts.createSynthesizedNodeArray(); + call.arguments[0] = createNumericLiteral(sliceIndex); + return call; + } + function emitObjectLiteralAssignment(target, value, sourceMapNode) { + var properties = target.properties; + if (properties.length !== 1) { + value = ensureIdentifier(value, true, sourceMapNode); + } + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var p = properties_5[_a]; + if (p.kind === 248 || p.kind === 249) { + var propName = p.name; + var target_1 = p.kind === 249 ? p : p.initializer || propName; + emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); + } + } + } + function emitArrayLiteralAssignment(target, value, sourceMapNode) { + var elements = target.elements; + if (elements.length !== 1) { + value = ensureIdentifier(value, true, sourceMapNode); + } + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190) { + if (e.kind !== 188) { + emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); + } + else if (i === elements.length - 1) { + emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); + } + } + } + } + function emitDestructuringAssignment(target, value, sourceMapNode) { + if (target.kind === 249) { + if (target.objectAssignmentInitializer) { + value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); + } + target = target.name; + } + else if (target.kind === 184 && target.operatorToken.kind === 56) { + value = createDefaultValueCheck(value, target.right, sourceMapNode); + target = target.left; + } + if (target.kind === 168) { + emitObjectLiteralAssignment(target, value, sourceMapNode); + } + else if (target.kind === 167) { + emitArrayLiteralAssignment(target, value, sourceMapNode); + } + else { + emitAssignment(target, value, emitCount > 0, sourceMapNode); + emitCount++; + } + } + function emitAssignmentExpression(root) { + var target = root.left; + var value = root.right; + if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { + emit(value); + } + else if (isAssignmentExpressionStatement) { + emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); + } + else { + if (root.parent.kind !== 175) { + write("("); + } + value = ensureIdentifier(value, true, root); + emitDestructuringAssignment(target, value, root); + write(", "); + emit(value); + if (root.parent.kind !== 175) { + write(")"); + } + } + } + function emitBindingElement(target, value) { + if (target.initializer) { + value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; + } + else if (!value) { + value = createVoidZero(); + } + if (ts.isBindingPattern(target.name)) { + var pattern = target.name; + var elements = pattern.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, numElements !== 0, target); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (pattern.kind === 164) { + var propName = element.propertyName || element.name; + emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); + } + else if (element.kind !== 190) { + if (!element.dotDotDotToken) { + emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); + } + else if (i === numElements - 1) { + emitBindingElement(element, createSliceCall(value, i)); + } + } + } + } + else { + emitAssignment(target.name, value, emitCount > 0, target); + emitCount++; + } + } + } + function emitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + if (languageVersion < 2) { + emitDestructuring(node, false); + } + else { + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + else { + var initializer = node.initializer; + if (!initializer && + languageVersion < 2 && + node.name.kind === 69) { + var container = ts.getEnclosingBlockScopeContainer(node); + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072; + var isDeclaredInLoop = flags & 262144; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || + (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 && ts.isIterationStatement(container.parent, false)); + var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 && + !emittedAsTopLevel; + var emitExplicitInitializer = emittedAsNestedLetDeclaration && + container.kind !== 203 && + container.kind !== 204 && + (!resolver.isDeclarationWithCollidingName(node) || + (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, false))); + if (emitExplicitInitializer) { + initializer = createVoidZero(); + } + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(node.name); + write("\", "); + } + emitModuleMemberName(node); + emitOptional(" = ", initializer); + if (exportChanged) { + write(")"); + } + } + } + function emitExportVariableAssignments(node) { + if (node.kind === 190) { + return; + } + var name = node.name; + if (name.kind === 69) { + emitExportMemberAssignments(name); + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, emitExportVariableAssignments); + } + } + function isES6ExportedDeclaration(node) { + return !!(node.flags & 2) && + modulekind === 5 && + node.parent.kind === 251; + } + function emitVariableStatement(node) { + var startIsEmitted = false; + if (node.flags & 2) { + if (isES6ExportedDeclaration(node)) { + write("export "); + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + } + else { + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + if (startIsEmitted) { + emitCommaList(node.declarationList.declarations); + write(";"); + } + else { + var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); + if (atLeastOneItem) { + write(";"); + } + } + if (modulekind !== 5 && node.parent === currentSourceFile) { + ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); + } + } + function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { + if (!(node.flags & 2)) { + return true; + } + if (isES6ExportedDeclaration(node)) { + return true; + } + for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { + var declaration = _b[_a]; + if (declaration.initializer) { + return true; + } + } + return false; + } + function emitParameter(node) { + if (languageVersion < 2) { + if (ts.isBindingPattern(node.name)) { + var name_27 = createTempVariable(0); + if (!tempParameters) { + tempParameters = []; + } + tempParameters.push(name_27); + emit(name_27); + } + else { + emit(node.name); + } + } + else { + if (node.dotDotDotToken) { + write("..."); + } + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + function emitDefaultValueAssignments(node) { + if (languageVersion < 2) { + var tempIndex_1 = 0; + ts.forEach(node.parameters, function (parameter) { + if (parameter.dotDotDotToken) { + return; + } + var paramName = parameter.name, initializer = parameter.initializer; + if (ts.isBindingPattern(paramName)) { + var hasBindingElements = paramName.elements.length > 0; + if (hasBindingElements || initializer) { + writeLine(); + write("var "); + if (hasBindingElements) { + emitDestructuring(parameter, false, tempParameters[tempIndex_1]); + } + else { + emit(tempParameters[tempIndex_1]); + write(" = "); + emit(initializer); + } + write(";"); + tempIndex_1++; + } + } + else if (initializer) { + writeLine(); + emitStart(parameter); + write("if ("); + emitNodeWithoutSourceMap(paramName); + write(" === void 0)"); + emitEnd(parameter); + write(" { "); + emitStart(parameter); + emitNodeWithCommentsAndWithoutSourcemap(paramName); + write(" = "); + emitNodeWithCommentsAndWithoutSourcemap(initializer); + emitEnd(parameter); + write("; }"); + } + }); + } + } + function emitRestParameter(node) { + if (languageVersion < 2 && ts.hasRestParameter(node)) { + var restIndex = node.parameters.length - 1; + var restParam = node.parameters[restIndex]; + if (ts.isBindingPattern(restParam.name)) { + return; + } + var tempName = createTempVariable(268435456).text; + writeLine(); + emitLeadingComments(restParam); + emitStart(restParam); + write("var "); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write(" = [];"); + emitEnd(restParam); + emitTrailingComments(restParam); + writeLine(); + write("for ("); + emitStart(restParam); + write("var " + tempName + " = " + restIndex + ";"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + " < arguments.length;"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + "++"); + emitEnd(restParam); + write(") {"); + increaseIndent(); + writeLine(); + emitStart(restParam); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); + emitEnd(restParam); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitAccessor(node) { + write(node.kind === 146 ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node); + } + function shouldEmitAsArrowFunction(node) { + return node.kind === 177 && languageVersion >= 2; + } + function emitDeclarationName(node) { + if (node.name) { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + else { + write(getGeneratedNameForNode(node)); + } + } + function shouldEmitFunctionName(node) { + if (node.kind === 176) { + return !!node.name; + } + if (node.kind === 216) { + return !!node.name || modulekind !== 5; + } + } + function emitFunctionDeclaration(node) { + if (ts.nodeIsMissing(node.body)) { + return emitCommentsOnNotEmittedNode(node); + } + var kind = node.kind, parent = node.parent; + if (kind !== 144 && + kind !== 143 && + parent && + parent.kind !== 248 && + parent.kind !== 171 && + parent.kind !== 167) { + emitLeadingComments(node); + } + emitStart(node); + if (!shouldEmitAsArrowFunction(node)) { + if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512) { + write("default "); + } + } + write("function"); + if (languageVersion >= 2 && node.asteriskToken) { + write("*"); + } + write(" "); + } + if (shouldEmitFunctionName(node)) { + emitDeclarationName(node); + } + emitSignatureAndBody(node); + if (modulekind !== 5 && kind === 216 && parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + emitEnd(node); + if (kind !== 144 && kind !== 143) { + emitTrailingComments(node); + } + } + function emitCaptureThisForNodeIfNecessary(node) { + if (resolver.getNodeCheckFlags(node) & 4) { + writeLine(); + emitStart(node); + write("var _this = this;"); + emitEnd(node); + } + } + function emitSignatureParameters(node) { + increaseIndent(); + write("("); + if (node) { + var parameters = node.parameters; + var omitCount = languageVersion < 2 && ts.hasRestParameter(node) ? 1 : 0; + emitList(parameters, 0, parameters.length - omitCount, false, false); + } + write(")"); + decreaseIndent(); + } + function emitSignatureParametersForArrow(node) { + if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { + emit(node.parameters[0]); + return; + } + emitSignatureParameters(node); + } + function emitAsyncFunctionBodyForES6(node) { + var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); + var isArrowFunction = node.kind === 177; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; + if (!isArrowFunction) { + write(" {"); + increaseIndent(); + writeLine(); + if (resolver.getNodeCheckFlags(node) & 4096) { + writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); + writeLine(); + } + else if (resolver.getNodeCheckFlags(node) & 2048) { + write("const _super = name => super[name];"); + writeLine(); + } + write("return"); + } + write(" __awaiter(this"); + if (hasLexicalArguments) { + write(", arguments, "); + } + else { + write(", void 0, "); + } + if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2)) { + write("void 0"); + } + else { + emitEntityNameAsExpression(promiseConstructor, false); + } + write(", function* ()"); + emitFunctionBody(node); + write(")"); + if (!isArrowFunction) { + write(";"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitFunctionBody(node) { + if (!node.body) { + write(" { }"); + } + else { + if (node.body.kind === 195) { + emitBlockFunctionBody(node, node.body); + } + else { + emitExpressionFunctionBody(node, node.body); + } + } + } + function emitSignatureAndBody(node) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + if (shouldEmitAsArrowFunction(node)) { + emitSignatureParametersForArrow(node); + write(" =>"); + } + else { + emitSignatureParameters(node); + } + var isAsync = ts.isAsyncFunctionLike(node); + if (isAsync) { + emitAsyncFunctionBodyForES6(node); + } + else { + emitFunctionBody(node); + } + if (!isES6ExportedDeclaration(node)) { + emitExportMemberAssignment(node); + } + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitFunctionBodyPreamble(node) { + emitCaptureThisForNodeIfNecessary(node); + emitDefaultValueAssignments(node); + emitRestParameter(node); + } + function emitExpressionFunctionBody(node, body) { + if (languageVersion < 2 || node.flags & 256) { + emitDownLevelExpressionFunctionBody(node, body); + return; + } + write(" "); + var current = body; + while (current.kind === 174) { + current = current.expression; + } + emitParenthesizedIf(body, current.kind === 168); + } + function emitDownLevelExpressionFunctionBody(node, body) { + write(" {"); + increaseIndent(); + var outPos = writer.getTextPos(); + emitDetachedCommentsAndUpdateCommentsInfo(node.body); + emitFunctionBodyPreamble(node); + var preambleEmitted = writer.getTextPos() !== outPos; + decreaseIndent(); + if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { + write(" "); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTempDeclarations(false); + write(" "); + } + else { + increaseIndent(); + writeLine(); + emitLeadingComments(node.body); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTrailingComments(node.body); + emitTempDeclarations(true); + decreaseIndent(); + writeLine(); + } + emitStart(node.body); + write("}"); + emitEnd(node.body); + } + function emitBlockFunctionBody(node, body) { + write(" {"); + var initialTextPos = writer.getTextPos(); + increaseIndent(); + emitDetachedCommentsAndUpdateCommentsInfo(body.statements); + var startIndex = emitDirectivePrologues(body.statements, true); + emitFunctionBodyPreamble(node); + decreaseIndent(); + var preambleEmitted = writer.getTextPos() !== initialTextPos; + if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + write(" "); + emit(statement); + } + emitTempDeclarations(false); + write(" "); + emitLeadingCommentsOfPosition(body.statements.end); + } + else { + increaseIndent(); + emitLinesStartingAt(body.statements, startIndex); + emitTempDeclarations(true); + writeLine(); + emitLeadingCommentsOfPosition(body.statements.end); + decreaseIndent(); + } + emitToken(16, body.statements.end); + } + function getSuperCallAtGivenIndex(ctor, index) { + if (!ctor.body) { + return undefined; + } + var statements = ctor.body.statements; + if (!statements || index >= statements.length) { + return undefined; + } + var statement = statements[index]; + if (statement.kind === 198) { + return ts.isSuperCallExpression(statement.expression) ? statement : undefined; + } + } + function emitParameterPropertyAssignments(node) { + ts.forEach(node.parameters, function (param) { + if (param.flags & 56) { + writeLine(); + emitStart(param); + emitStart(param.name); + write("this."); + emitNodeWithoutSourceMap(param.name); + emitEnd(param.name); + write(" = "); + emit(param.name); + write(";"); + emitEnd(param); + } + }); + } + function emitMemberAccessForPropertyName(memberName) { + if (memberName.kind === 9 || memberName.kind === 8) { + write("["); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + write("]"); + } + else if (memberName.kind === 137) { + emitComputedPropertyName(memberName); + } + else { + write("."); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + } + } + function getInitializedProperties(node, isStatic) { + var properties = []; + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if (member.kind === 142 && isStatic === ((member.flags & 64) !== 0) && member.initializer) { + properties.push(member); + } + } + return properties; + } + function emitPropertyDeclarations(node, properties) { + for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { + var property = properties_6[_a]; + emitPropertyDeclaration(node, property); + } + } + function emitPropertyDeclaration(node, property, receiver, isExpression) { + writeLine(); + emitLeadingComments(property); + emitStart(property); + emitStart(property.name); + if (receiver) { + emit(receiver); + } + else { + if (property.flags & 64) { + emitDeclarationName(node); + } + else { + write("this"); + } + } + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + emit(property.initializer); + if (!isExpression) { + write(";"); + } + emitEnd(property); + emitTrailingComments(property); + } + function emitMemberFunctionsForES5AndLower(node) { + ts.forEach(node.members, function (member) { + if (member.kind === 194) { + writeLine(); + write(";"); + } + else if (member.kind === 144 || node.kind === 143) { + if (!member.body) { + return emitCommentsOnNotEmittedNode(member); + } + writeLine(); + emitLeadingComments(member); + emitStart(member); + emitStart(member.name); + emitClassMemberPrefix(node, member); + emitMemberAccessForPropertyName(member.name); + emitEnd(member.name); + write(" = "); + emitFunctionDeclaration(member); + emitEnd(member); + write(";"); + emitTrailingComments(member); + } + else if (member.kind === 146 || member.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + writeLine(); + emitStart(member); + write("Object.defineProperty("); + emitStart(member.name); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + emitEnd(member.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("});"); + emitEnd(member); + } + } + }); + } + function emitMemberFunctionsForES6AndHigher(node) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.kind === 144 || node.kind === 143) && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + else if (member.kind === 144 || + member.kind === 146 || + member.kind === 147) { + writeLine(); + emitLeadingComments(member); + emitStart(member); + if (member.flags & 64) { + write("static "); + } + if (member.kind === 146) { + write("get "); + } + else if (member.kind === 147) { + write("set "); + } + if (member.asteriskToken) { + write("*"); + } + emit(member.name); + emitSignatureAndBody(member); + emitEnd(member); + emitTrailingComments(member); + } + else if (member.kind === 194) { + writeLine(); + write(";"); + } + } + } + function emitConstructor(node, baseTypeElement) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + emitConstructorWorker(node, baseTypeElement); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitConstructorWorker(node, baseTypeElement) { + var hasInstancePropertyWithInitializer = false; + ts.forEach(node.members, function (member) { + if (member.kind === 145 && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + if (member.kind === 142 && member.initializer && (member.flags & 64) === 0) { + hasInstancePropertyWithInitializer = true; + } + }); + var ctor = ts.getFirstConstructorWithBody(node); + if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) { + return; + } + if (ctor) { + emitLeadingComments(ctor); + } + emitStart(ctor || node); + if (languageVersion < 2) { + write("function "); + emitDeclarationName(node); + emitSignatureParameters(ctor); + } + else { + write("constructor"); + if (ctor) { + emitSignatureParameters(ctor); + } + else { + if (baseTypeElement) { + write("(...args)"); + } + else { + write("()"); + } + } + } + var startIndex = 0; + write(" {"); + increaseIndent(); + if (ctor) { + startIndex = emitDirectivePrologues(ctor.body.statements, true); + emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); + } + emitCaptureThisForNodeIfNecessary(node); + var superCall; + if (ctor) { + emitDefaultValueAssignments(ctor); + emitRestParameter(ctor); + if (baseTypeElement) { + superCall = getSuperCallAtGivenIndex(ctor, startIndex); + if (superCall) { + writeLine(); + emit(superCall); + } + } + emitParameterPropertyAssignments(ctor); + } + else { + if (baseTypeElement) { + writeLine(); + emitStart(baseTypeElement); + if (languageVersion < 2) { + write("_super.apply(this, arguments);"); + } + else { + write("super(...args);"); + } + emitEnd(baseTypeElement); + } + } + emitPropertyDeclarations(node, getInitializedProperties(node, false)); + if (ctor) { + var statements = ctor.body.statements; + if (superCall) { + statements = statements.slice(1); + } + emitLinesStartingAt(statements, startIndex); + } + emitTempDeclarations(true); + writeLine(); + if (ctor) { + emitLeadingCommentsOfPosition(ctor.body.statements.end); + } + decreaseIndent(); + emitToken(16, ctor ? ctor.body.statements.end : node.members.end); + emitEnd(ctor || node); + if (ctor) { + emitTrailingComments(ctor); + } + } + function emitClassExpression(node) { + return emitClassLikeDeclaration(node); + } + function emitClassDeclaration(node) { + return emitClassLikeDeclaration(node); + } + function emitClassLikeDeclaration(node) { + if (languageVersion < 2) { + emitClassLikeDeclarationBelowES6(node); + } + else { + emitClassLikeDeclarationForES6AndHigher(node); + } + if (modulekind !== 5 && node.parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + } + function emitClassLikeDeclarationForES6AndHigher(node) { + var decoratedClassAlias; + var thisNodeIsDecorated = ts.nodeIsDecorated(node); + if (node.kind === 217) { + if (thisNodeIsDecorated) { + if (resolver.getNodeCheckFlags(node) & 524288) { + decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); + decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; + write("let " + decoratedClassAlias + ";"); + writeLine(); + } + if (isES6ExportedDeclaration(node) && !(node.flags & 512)) { + write("export "); + } + write("let "); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = "); + } + else if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512) { + write("default "); + } + } + } + var staticProperties = getInitializedProperties(node, true); + var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189; + var tempVariable; + if (isClassExpressionWithStaticProperties) { + tempVariable = createAndRecordTempVariable(0); + write("("); + increaseIndent(); + emit(tempVariable); + write(" = "); + } + write("class"); + if (node.name || (node.flags & 512 && (staticProperties.length > 0 || modulekind !== 5) && !thisNodeIsDecorated)) { + write(" "); + emitDeclarationName(node); + } + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write(" extends "); + emit(baseTypeNode.expression); + } + write(" {"); + increaseIndent(); + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES6AndHigher(node); + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + if (thisNodeIsDecorated) { + decoratedClassAliases[ts.getNodeId(node)] = undefined; + write(";"); + } + if (isClassExpressionWithStaticProperties) { + for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { + var property = staticProperties_1[_a]; + write(","); + writeLine(); + emitPropertyDeclaration(node, property, tempVariable, true); + } + write(","); + writeLine(); + emit(tempVariable); + decreaseIndent(); + write(")"); + } + else { + writeLine(); + emitPropertyDeclarations(node, staticProperties); + emitDecoratorsOfClass(node, decoratedClassAlias); + } + if (!(node.flags & 2)) { + return; + } + if (modulekind !== 5) { + emitExportMemberAssignment(node); + } + else { + if (node.flags & 512) { + if (thisNodeIsDecorated) { + writeLine(); + write("export default "); + emitDeclarationName(node); + write(";"); + } + } + else if (node.parent.kind !== 251) { + writeLine(); + emitStart(node); + emitModuleMemberName(node); + write(" = "); + emitDeclarationName(node); + emitEnd(node); + write(";"); + } + } + } + function emitClassLikeDeclarationBelowES6(node) { + if (node.kind === 217) { + if (!shouldHoistDeclarationInSystemJsModule(node)) { + write("var "); + } + emitDeclarationName(node); + write(" = "); + } + write("(function ("); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write("_super"); + } + write(") {"); + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; + var saveConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + computedPropertyNamesToGeneratedNames = undefined; + increaseIndent(); + if (baseTypeNode) { + writeLine(); + emitStart(baseTypeNode); + write("__extends("); + emitDeclarationName(node); + write(", _super);"); + emitEnd(baseTypeNode); + } + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES5AndLower(node); + emitPropertyDeclarations(node, getInitializedProperties(node, true)); + writeLine(); + emitDecoratorsOfClass(node, undefined); + writeLine(); + emitToken(16, node.members.end, function () { + write("return "); + emitDeclarationName(node); + }); + write(";"); + emitTempDeclarations(true); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + emitStart(node); + write("("); + if (baseTypeNode) { + emit(baseTypeNode.expression); + } + write("))"); + if (node.kind === 217) { + write(";"); + } + emitEnd(node); + if (node.kind === 217) { + emitExportMemberAssignment(node); + } + } + function emitClassMemberPrefix(node, member) { + emitDeclarationName(node); + if (!(member.flags & 64)) { + write(".prototype"); + } + } + function emitDecoratorsOfClass(node, decoratedClassAlias) { + emitDecoratorsOfMembers(node, 0); + emitDecoratorsOfMembers(node, 64); + emitDecoratorsOfConstructor(node, decoratedClassAlias); + } + function emitDecoratorsOfConstructor(node, decoratedClassAlias) { + var decorators = node.decorators; + var constructor = ts.getFirstConstructorWithBody(node); + var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); + if (!decorators && !firstParameterDecorator) { + return; + } + writeLine(); + emitStart(node.decorators || firstParameterDecorator); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = __decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(constructor, argumentsWritten > 0); + } + emitSerializedTypeMetadata(node, argumentsWritten >= 0); + decreaseIndent(); + writeLine(); + write("], "); + emitDeclarationName(node); + write(")"); + emitEnd(node.decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + function emitDecoratorsOfMembers(node, staticFlag) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.flags & 64) !== staticFlag) { + continue; + } + if (!ts.nodeCanBeDecorated(member)) { + continue; + } + var decorators = void 0; + var functionLikeMember = void 0; + if (ts.isAccessor(member)) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member !== accessors.firstAccessor) { + continue; + } + decorators = accessors.firstAccessor.decorators; + if (!decorators && accessors.secondAccessor) { + decorators = accessors.secondAccessor.decorators; + } + functionLikeMember = accessors.setAccessor; + } + else { + decorators = member.decorators; + if (member.kind === 144) { + functionLikeMember = member; + } + } + var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); + if (!decorators && !firstParameterDecorator) { + continue; + } + writeLine(); + emitStart(decorators || firstParameterDecorator); + write("__decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); + } + emitSerializedTypeMetadata(member, argumentsWritten > 0); + decreaseIndent(); + writeLine(); + write("], "); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + if (languageVersion > 0) { + if (member.kind !== 142) { + write(", null"); + } + else { + write(", void 0"); + } + } + write(")"); + emitEnd(decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + } + function emitDecoratorsOfParameters(node, leadingComma) { + var argumentsWritten = 0; + if (node) { + var parameterIndex_1 = 0; + for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { + var parameter = _b[_a]; + if (ts.nodeIsDecorated(parameter)) { + var decorators = parameter.decorators; + argumentsWritten += emitList(decorators, 0, decorators.length, true, false, leadingComma, true, function (decorator) { + write("__param(" + parameterIndex_1 + ", "); + emit(decorator.expression); + write(")"); + }); + leadingComma = true; + } + parameterIndex_1++; + } + } + return argumentsWritten; + } + function shouldEmitTypeMetadata(node) { + switch (node.kind) { + case 144: + case 146: + case 147: + case 142: + return true; + } + return false; + } + function shouldEmitReturnTypeMetadata(node) { + switch (node.kind) { + case 144: + return true; + } + return false; + } + function shouldEmitParamTypesMetadata(node) { + switch (node.kind) { + case 217: + case 144: + case 147: + return true; + } + return false; + } + function emitSerializedTypeOfNode(node) { + switch (node.kind) { + case 217: + write("Function"); + return; + case 142: + emitSerializedTypeNode(node.type); + return; + case 139: + emitSerializedTypeNode(node.type); + return; + case 146: + emitSerializedTypeNode(node.type); + return; + case 147: + emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + return; + } + if (ts.isFunctionLike(node)) { + write("Function"); + return; + } + write("void 0"); + } + function emitSerializedTypeNode(node) { + if (node) { + switch (node.kind) { + case 103: + write("void 0"); + return; + case 161: + emitSerializedTypeNode(node.type); + return; + case 153: + case 154: + write("Function"); + return; + case 157: + case 158: + write("Array"); + return; + case 151: + case 120: + write("Boolean"); + return; + case 130: + case 163: + write("String"); + return; + case 128: + write("Number"); + return; + case 131: + write("Symbol"); + return; + case 152: + emitSerializedTypeReferenceNode(node); + return; + case 155: + case 156: + case 159: + case 160: + case 117: + case 162: + break; + default: + ts.Debug.fail("Cannot serialize unexpected type node."); + break; + } + } + write("Object"); + } + function emitSerializedTypeReferenceNode(node) { + var location = node.parent; + while (ts.isDeclaration(location) || ts.isTypeNode(location)) { + location = location.parent; + } + var typeName = ts.cloneEntityName(node.typeName, location); + var result = resolver.getTypeReferenceSerializationKind(typeName); + switch (result) { + case ts.TypeReferenceSerializationKind.Unknown: + var temp = createAndRecordTempVariable(0); + write("(typeof ("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(typeName, true); + write(") === 'function' && "); + emitNodeWithoutSourceMap(temp); + write(") || Object"); + break; + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + emitEntityNameAsExpression(typeName, false); + break; + case ts.TypeReferenceSerializationKind.VoidType: + write("void 0"); + break; + case ts.TypeReferenceSerializationKind.BooleanType: + write("Boolean"); + break; + case ts.TypeReferenceSerializationKind.NumberLikeType: + write("Number"); + break; + case ts.TypeReferenceSerializationKind.StringLikeType: + write("String"); + break; + case ts.TypeReferenceSerializationKind.ArrayLikeType: + write("Array"); + break; + case ts.TypeReferenceSerializationKind.ESSymbolType: + if (languageVersion < 2) { + write("typeof Symbol === 'function' ? Symbol : Object"); + } + else { + write("Symbol"); + } + break; + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + write("Function"); + break; + case ts.TypeReferenceSerializationKind.ObjectType: + write("Object"); + break; + } + } + function emitSerializedParameterTypesOfNode(node) { + if (node) { + var valueDeclaration = void 0; + if (node.kind === 217) { + valueDeclaration = ts.getFirstConstructorWithBody(node); + } + else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { + valueDeclaration = node; + } + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var parameterCount = parameters.length; + if (parameterCount > 0) { + for (var i = 0; i < parameterCount; i++) { + if (i > 0) { + write(", "); + } + if (parameters[i].dotDotDotToken) { + var parameterType = parameters[i].type; + if (parameterType.kind === 157) { + parameterType = parameterType.elementType; + } + else if (parameterType.kind === 152 && parameterType.typeArguments && parameterType.typeArguments.length === 1) { + parameterType = parameterType.typeArguments[0]; + } + else { + parameterType = undefined; + } + emitSerializedTypeNode(parameterType); + } + else { + emitSerializedTypeOfNode(parameters[i]); + } + } + } + } + } + } + function emitSerializedReturnTypeOfNode(node) { + if (node && ts.isFunctionLike(node) && node.type) { + emitSerializedTypeNode(node.type); + return; + } + write("void 0"); + } + function emitSerializedTypeMetadata(node, writeComma) { + var argumentsWritten = 0; + if (compilerOptions.emitDecoratorMetadata) { + if (shouldEmitTypeMetadata(node)) { + if (writeComma) { + write(", "); + } + writeLine(); + write("__metadata('design:type', "); + emitSerializedTypeOfNode(node); + write(")"); + argumentsWritten++; + } + if (shouldEmitParamTypesMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:paramtypes', ["); + emitSerializedParameterTypesOfNode(node); + write("])"); + argumentsWritten++; + } + if (shouldEmitReturnTypeMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:returntype', "); + emitSerializedReturnTypeOfNode(node); + write(")"); + argumentsWritten++; + } + } + return argumentsWritten; + } + function emitInterfaceDeclaration(node) { + emitCommentsOnNotEmittedNode(node); + } + function shouldEmitEnumDeclaration(node) { + var isConstEnum = ts.isConst(node); + return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; + } + function emitEnumDeclaration(node) { + if (!shouldEmitEnumDeclaration(node)) { + return; + } + if (!shouldHoistDeclarationInSystemJsModule(node)) { + var isES6ExportedEnum = isES6ExportedDeclaration(node); + if (!(node.flags & 2) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220))) { + emitStart(node); + if (isES6ExportedEnum) { + write("export "); + } + write("var "); + emit(node.name); + emitEnd(node); + write(";"); + } + } + writeLine(); + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") {"); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + write(")("); + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.flags & 2 && !shouldHoistDeclarationInSystemJsModule(node)) { + writeLine(); + emitStart(node); + write("var "); + emit(node.name); + write(" = "); + emitModuleMemberName(node); + emitEnd(node); + write(";"); + } + if (modulekind !== 5 && node.parent === currentSourceFile) { + if (modulekind === 4 && (node.flags & 2)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function emitEnumMember(node) { + var enumParent = node.parent; + emitStart(node); + write(getGeneratedNameForNode(enumParent)); + write("["); + write(getGeneratedNameForNode(enumParent)); + write("["); + emitExpressionForPropertyName(node.name); + write("] = "); + writeEnumMemberDeclarationValue(node); + write("] = "); + emitExpressionForPropertyName(node.name); + emitEnd(node); + write(";"); + } + function writeEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + write(value.toString()); + return; + } + else if (member.initializer) { + emit(member.initializer); + } + else { + write("undefined"); + } + } + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 221) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; + } + } + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isModuleMergedWithES6Class(node) { + return languageVersion === 2 && !!(resolver.getNodeCheckFlags(node) & 32768); + } + function isFirstDeclarationOfKind(node, declarations, kind) { + return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); + } + function emitModuleDeclaration(node) { + var shouldEmit = shouldEmitModuleDeclaration(node); + if (!shouldEmit) { + return emitCommentsOnNotEmittedNode(node); + } + var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); + var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); + if (emitVarForModule) { + var isES6ExportedNamespace = isES6ExportedDeclaration(node); + if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221)) { + emitStart(node); + if (isES6ExportedNamespace) { + write("export "); + } + write("var "); + emit(node.name); + write(";"); + emitEnd(node); + writeLine(); + } + } + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") "); + if (node.body.kind === 222) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + emit(node.body); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + } + else { + write("{"); + increaseIndent(); + emitCaptureThisForNodeIfNecessary(node); + writeLine(); + emit(node.body); + decreaseIndent(); + writeLine(); + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + emitToken(16, moduleBlock.statements.end); + } + write(")("); + if ((node.flags & 2) && !isES6ExportedDeclaration(node)) { + emit(node.name); + write(" = "); + } + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.name.kind === 69 && node.parent === currentSourceFile) { + if (modulekind === 4 && (node.flags & 2)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function tryRenameExternalModule(moduleName) { + if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { + return "\"" + renamedDependencies[moduleName.text] + "\""; + } + return undefined; + } + function emitRequire(moduleName) { + if (moduleName.kind === 9) { + write("require("); + var text = tryRenameExternalModule(moduleName); + if (text) { + write(text); + } + else { + emitStart(moduleName); + emitLiteral(moduleName); + emitEnd(moduleName); + } + emitToken(18, moduleName.end); + } + else { + write("require()"); + } + } + function getNamespaceDeclarationNode(node) { + if (node.kind === 224) { + return node; + } + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227) { + return importClause.namedBindings; + } + } + function isDefaultImport(node) { + return node.kind === 225 && node.importClause && !!node.importClause.name; + } + function emitExportImportAssignments(node) { + if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + emitExportMemberAssignments(node.name); + } + ts.forEachChild(node, emitExportImportAssignments); + } + function emitImportDeclaration(node) { + if (modulekind !== 5) { + return emitExternalImportDeclaration(node); + } + if (node.importClause) { + var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); + var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true); + if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { + write("import "); + emitStart(node.importClause); + if (shouldEmitDefaultBindings) { + emit(node.importClause.name); + if (shouldEmitNamedBindings) { + write(", "); + } + } + if (shouldEmitNamedBindings) { + emitLeadingComments(node.importClause.namedBindings); + emitStart(node.importClause.namedBindings); + if (node.importClause.namedBindings.kind === 227) { + write("* as "); + emit(node.importClause.namedBindings.name); + } + else { + write("{ "); + emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); + write(" }"); + } + emitEnd(node.importClause.namedBindings); + emitTrailingComments(node.importClause.namedBindings); + } + emitEnd(node.importClause); + write(" from "); + emit(node.moduleSpecifier); + write(";"); + } + } + else { + write("import "); + emit(node.moduleSpecifier); + write(";"); + } + } + function emitExternalImportDeclaration(node) { + if (ts.contains(externalImports, node)) { + var isExportedImport = node.kind === 224 && (node.flags & 2) !== 0; + var namespaceDeclaration = getNamespaceDeclarationNode(node); + var varOrConst = (languageVersion <= 1) ? "var " : "const "; + if (modulekind !== 2) { + emitLeadingComments(node); + emitStart(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + if (!isExportedImport) { + write(varOrConst); + } + ; + emitModuleMemberName(namespaceDeclaration); + write(" = "); + } + else { + var isNakedImport = 225 && !node.importClause; + if (!isNakedImport) { + write(varOrConst); + write(getGeneratedNameForNode(node)); + write(" = "); + } + } + emitRequire(ts.getExternalModuleName(node)); + if (namespaceDeclaration && isDefaultImport(node)) { + write(", "); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + else { + if (isExportedImport) { + emitModuleMemberName(namespaceDeclaration); + write(" = "); + emit(namespaceDeclaration.name); + write(";"); + } + else if (namespaceDeclaration && isDefaultImport(node)) { + write(varOrConst); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + write(";"); + } + emitExportImportAssignments(node); + } + } + } + function emitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + emitExternalImportDeclaration(node); + return; + } + if (resolver.isReferencedAliasDeclaration(node) || + (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { + emitLeadingComments(node); + emitStart(node); + var variableDeclarationIsHoisted = shouldHoistVariable(node, true); + var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, true); + if (!variableDeclarationIsHoisted) { + ts.Debug.assert(!isExported); + if (isES6ExportedDeclaration(node)) { + write("export "); + write("var "); + } + else if (!(node.flags & 2)) { + write("var "); + } + } + if (isExported) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.name); + write("\", "); + } + emitModuleMemberName(node); + write(" = "); + emit(node.moduleReference); + if (isExported) { + write(")"); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + } + function emitExportDeclaration(node) { + ts.Debug.assert(modulekind !== 4); + if (modulekind !== 5) { + if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { + emitStart(node); + var generatedName = getGeneratedNameForNode(node); + if (node.exportClause) { + if (modulekind !== 2) { + write("var "); + write(generatedName); + write(" = "); + emitRequire(ts.getExternalModuleName(node)); + write(";"); + } + for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { + var specifier = _b[_a]; + if (resolver.isValueAliasDeclaration(specifier)) { + writeLine(); + emitStart(specifier); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write(" = "); + write(generatedName); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); + write(";"); + emitEnd(specifier); + } + } + } + else { + if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + writeLine(); + write("__export("); + if (modulekind !== 2) { + emitRequire(ts.getExternalModuleName(node)); + } + else { + write(generatedName); + } + write(");"); + } + } + emitEnd(node); + } + } + else { + if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { + write("export "); + if (node.exportClause) { + write("{ "); + emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emit(node.moduleSpecifier); + } + write(";"); + } + } + } + function emitExportOrImportSpecifierList(specifiers, shouldEmit) { + ts.Debug.assert(modulekind === 5); + var needsComma = false; + for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { + var specifier = specifiers_1[_a]; + if (shouldEmit(specifier)) { + if (needsComma) { + write(", "); + } + if (specifier.propertyName) { + emit(specifier.propertyName); + write(" as "); + } + emit(specifier.name); + needsComma = true; + } + } + } + function emitExportAssignment(node) { + if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { + if (modulekind === 5) { + writeLine(); + emitStart(node); + write("export default "); + var expression = node.expression; + emit(expression); + if (expression.kind !== 216 && + expression.kind !== 217) { + write(";"); + } + emitEnd(node); + } + else { + writeLine(); + emitStart(node); + if (modulekind === 4) { + write(exportFunctionForFile + "(\"default\","); + emit(node.expression); + write(")"); + } + else { + emitEs6ExportDefaultCompat(node); + emitContainingModuleName(node); + if (languageVersion === 0) { + write("[\"default\"] = "); + } + else { + write(".default = "); + } + emit(node.expression); + } + write(";"); + emitEnd(node); + } + } + } + function collectExternalModuleInfo(sourceFile) { + externalImports = []; + exportSpecifiers = {}; + exportEquals = undefined; + hasExportStarsToExportValues = false; + for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { + var node = _b[_a]; + switch (node.kind) { + case 225: + if (!node.importClause || + resolver.isReferencedAliasDeclaration(node.importClause, true)) { + externalImports.push(node); + } + break; + case 224: + if (node.moduleReference.kind === 235 && resolver.isReferencedAliasDeclaration(node)) { + externalImports.push(node); + } + break; + case 231: + if (node.moduleSpecifier) { + if (!node.exportClause) { + if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + } + else if (resolver.isValueAliasDeclaration(node)) { + externalImports.push(node); + } + } + else { + for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { + var specifier = _d[_c]; + var name_28 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); + } + } + break; + case 230: + if (node.isExportEquals && !exportEquals) { + exportEquals = node; + } + break; + } + } + } + function emitExportStarHelper() { + if (hasExportStarsToExportValues) { + writeLine(); + write("function __export(m) {"); + increaseIndent(); + writeLine(); + write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function getLocalNameForExternalImport(node) { + var namespaceDeclaration = getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); + } + if (node.kind === 225 && node.importClause) { + return getGeneratedNameForNode(node); + } + if (node.kind === 231 && node.moduleSpecifier) { + return getGeneratedNameForNode(node); + } + } + function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { + if (emitRelativePathAsModuleName) { + var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); + if (name_29) { + return "\"" + name_29 + "\""; + } + } + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9) { + return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); + } + return undefined; + } + function emitVariableDeclarationsForImports() { + if (externalImports.length === 0) { + return; + } + writeLine(); + var started = false; + for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { + var importNode = externalImports_1[_a]; + var skipNode = importNode.kind === 231 || + (importNode.kind === 225 && !importNode.importClause); + if (skipNode) { + continue; + } + if (!started) { + write("var "); + started = true; + } + else { + write(", "); + } + write(getLocalNameForExternalImport(importNode)); + } + if (started) { + write(";"); + } + } + function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { + if (!hasExportStarsToExportValues) { + return undefined; + } + if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { + var hasExportDeclarationWithExportClause = false; + for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { + var externalImport = externalImports_2[_a]; + if (externalImport.kind === 231 && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } + } + if (!hasExportDeclarationWithExportClause) { + return emitExportStarFunction(undefined); + } + } + var exportedNamesStorageRef = makeUniqueName("exportedNames"); + writeLine(); + write("var " + exportedNamesStorageRef + " = {"); + increaseIndent(); + var started = false; + if (exportedDeclarations) { + for (var i = 0; i < exportedDeclarations.length; i++) { + writeExportedName(exportedDeclarations[i]); + } + } + if (exportSpecifiers) { + for (var n in exportSpecifiers) { + for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { + var specifier = _c[_b]; + writeExportedName(specifier.name); + } + } + } + for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { + var externalImport = externalImports_3[_d]; + if (externalImport.kind !== 231) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + continue; + } + for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { + var element = _f[_e]; + writeExportedName(element.name || element.propertyName); + } + } + decreaseIndent(); + writeLine(); + write("};"); + return emitExportStarFunction(exportedNamesStorageRef); + function emitExportStarFunction(localNames) { + var exportStarFunction = makeUniqueName("exportStar"); + writeLine(); + write("function " + exportStarFunction + "(m) {"); + increaseIndent(); + writeLine(); + write("var exports = {};"); + writeLine(); + write("for(var n in m) {"); + increaseIndent(); + writeLine(); + write("if (n !== \"default\""); + if (localNames) { + write("&& !" + localNames + ".hasOwnProperty(n)"); + } + write(") exports[n] = m[n];"); + decreaseIndent(); + writeLine(); + write("}"); + writeLine(); + write(exportFunctionForFile + "(exports);"); + decreaseIndent(); + writeLine(); + write("}"); + return exportStarFunction; + } + function writeExportedName(node) { + if (node.kind !== 69 && node.flags & 512) { + return; + } + if (started) { + write(","); + } + else { + started = true; + } + writeLine(); + write("'"); + if (node.kind === 69) { + emitNodeWithCommentsAndWithoutSourcemap(node); + } + else { + emitDeclarationName(node); + } + write("': true"); + } + } + function processTopLevelVariableAndFunctionDeclarations(node) { + var hoistedVars; + var hoistedFunctionDeclarations; + var exportedDeclarations; + visit(node); + if (hoistedVars) { + writeLine(); + write("var "); + var seen = {}; + for (var i = 0; i < hoistedVars.length; i++) { + var local = hoistedVars[i]; + var name_30 = local.kind === 69 + ? local + : local.name; + if (name_30) { + var text = ts.unescapeIdentifier(name_30.text); + if (ts.hasProperty(seen, text)) { + continue; + } + else { + seen[text] = text; + } + } + if (i !== 0) { + write(", "); + } + if (local.kind === 217 || local.kind === 221 || local.kind === 220) { + emitDeclarationName(local); + } + else { + emit(local); + } + var flags = ts.getCombinedNodeFlags(local.kind === 69 ? local.parent : local); + if (flags & 2) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(local); + } + } + write(";"); + } + if (hoistedFunctionDeclarations) { + for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { + var f = hoistedFunctionDeclarations_1[_a]; + writeLine(); + emit(f); + if (f.flags & 2) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(f); + } + } + } + return exportedDeclarations; + function visit(node) { + if (node.flags & 4) { + return; + } + if (node.kind === 216) { + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = []; + } + hoistedFunctionDeclarations.push(node); + return; + } + if (node.kind === 217) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + return; + } + if (node.kind === 220) { + if (shouldEmitEnumDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 221) { + if (shouldEmitModuleDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 214 || node.kind === 166) { + if (shouldHoistVariable(node, false)) { + var name_31 = node.name; + if (name_31.kind === 69) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(name_31); + } + else { + ts.forEachChild(name_31, visit); + } + } + return; + } + if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node.name); + return; + } + if (ts.isBindingPattern(node)) { + ts.forEach(node.elements, visit); + return; + } + if (!ts.isDeclaration(node)) { + ts.forEachChild(node, visit); + } + } + } + function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { + if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { + return false; + } + return (ts.getCombinedNodeFlags(node) & 24576) === 0 || + ts.getEnclosingBlockScopeContainer(node).kind === 251; + } + function isCurrentFileSystemExternalModule() { + return modulekind === 4 && isCurrentFileExternalModule; + } + function emitSystemModuleBody(node, dependencyGroups, startIndex) { + emitVariableDeclarationsForImports(); + writeLine(); + var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); + var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); + writeLine(); + write("return {"); + increaseIndent(); + writeLine(); + emitSetters(exportStarFunction, dependencyGroups); + writeLine(); + emitExecute(node, startIndex); + decreaseIndent(); + writeLine(); + write("}"); + emitTempDeclarations(true); + } + function emitSetters(exportStarFunction, dependencyGroups) { + write("setters:["); + for (var i = 0; i < dependencyGroups.length; i++) { + if (i !== 0) { + write(","); + } + writeLine(); + increaseIndent(); + var group = dependencyGroups[i]; + var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); + write("function (" + parameterName + ") {"); + increaseIndent(); + for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { + var entry = group_1[_a]; + var importVariableName = getLocalNameForExternalImport(entry) || ""; + switch (entry.kind) { + case 225: + if (!entry.importClause) { + break; + } + case 224: + ts.Debug.assert(importVariableName !== ""); + writeLine(); + write(importVariableName + " = " + parameterName + ";"); + writeLine(); + break; + case 231: + ts.Debug.assert(importVariableName !== ""); + if (entry.exportClause) { + writeLine(); + write(exportFunctionForFile + "({"); + writeLine(); + increaseIndent(); + for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { + if (i_1 !== 0) { + write(","); + writeLine(); + } + var e = entry.exportClause.elements[i_1]; + write("\""); + emitNodeWithCommentsAndWithoutSourcemap(e.name); + write("\": " + parameterName + "[\""); + emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); + write("\"]"); + } + decreaseIndent(); + writeLine(); + write("});"); + } + else { + writeLine(); + write(exportStarFunction + "(" + parameterName + ");"); + } + writeLine(); + break; + } + } + decreaseIndent(); + write("}"); + decreaseIndent(); + } + write("],"); + } + function emitExecute(node, startIndex) { + write("execute: function() {"); + increaseIndent(); + writeLine(); + for (var i = startIndex; i < node.statements.length; i++) { + var statement = node.statements[i]; + switch (statement.kind) { + case 216: + case 225: + continue; + case 231: + if (!statement.moduleSpecifier) { + for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { + var element = _b[_a]; + emitExportSpecifierInSystemModule(element); + } + } + continue; + case 224: + if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { + continue; + } + default: + writeLine(); + emit(statement); + } + } + decreaseIndent(); + writeLine(); + write("}"); + } + function writeModuleName(node, emitRelativePathAsModuleName) { + var moduleName = node.moduleName; + if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { + write("\"" + moduleName + "\", "); + } + } + function emitSystemModule(node, emitRelativePathAsModuleName) { + collectExternalModuleInfo(node); + ts.Debug.assert(!exportFunctionForFile); + exportFunctionForFile = makeUniqueName("exports"); + contextObjectForFile = makeUniqueName("context"); + writeLine(); + write("System.register("); + writeModuleName(node, emitRelativePathAsModuleName); + write("["); + var groupIndices = {}; + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); + if (text === undefined) { + continue; + } + var key = text.substr(1, text.length - 2); + if (ts.hasProperty(groupIndices, key)) { + var groupIndex = groupIndices[key]; + dependencyGroups[groupIndex].push(externalImports[i]); + continue; + } + else { + groupIndices[key] = dependencyGroups.length; + dependencyGroups.push([externalImports[i]]); + } + if (i !== 0) { + write(", "); + } + write(text); + } + write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); + writeLine(); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + writeLine(); + write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); + writeLine(); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitSystemModuleBody(node, dependencyGroups, startIndex); + decreaseIndent(); + writeLine(); + write("});"); + } + function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + var aliasedModuleNames = []; + var unaliasedModuleNames = []; + var importAliasNames = []; + for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { + var amdDependency = _b[_a]; + if (amdDependency.name) { + aliasedModuleNames.push("\"" + amdDependency.path + "\""); + importAliasNames.push(amdDependency.name); + } + else { + unaliasedModuleNames.push("\"" + amdDependency.path + "\""); + } + } + for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { + var importNode = externalImports_4[_c]; + var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); + var importAliasName = getLocalNameForExternalImport(importNode); + if (includeNonAmdDependencies && importAliasName) { + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(importAliasName); + } + else { + unaliasedModuleNames.push(externalModuleName); + } + } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); + emitAMDDependencyList(dependencyNames); + write(", "); + emitAMDFactoryHeader(dependencyNames); + } + function emitAMDDependencyList(_a) { + var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; + write("[\"require\", \"exports\""); + if (aliasedModuleNames.length) { + write(", "); + write(aliasedModuleNames.join(", ")); + } + if (unaliasedModuleNames.length) { + write(", "); + write(unaliasedModuleNames.join(", ")); + } + write("]"); + } + function emitAMDFactoryHeader(_a) { + var importAliasNames = _a.importAliasNames; + write("function (require, exports"); + if (importAliasNames.length) { + write(", "); + write(importAliasNames.join(", ")); + } + write(") {"); + } + function emitAMDModule(node, emitRelativePathAsModuleName) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + writeLine(); + write("define("); + writeModuleName(node, emitRelativePathAsModuleName); + emitAMDDependencies(node, true, emitRelativePathAsModuleName); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitCommonJSModule(node) { + var startIndex = emitDirectivePrologues(node.statements, false, !compilerOptions.noImplicitUseStrict); + emitEmitHelpers(node); + collectExternalModuleInfo(node); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(false); + } + function emitUMDModule(node) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + var dependencyNames = getAMDDependencyNames(node, false); + writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); + emitAMDDependencyList(dependencyNames); + write(", factory);"); + writeLines(" }\n})("); + emitAMDFactoryHeader(dependencyNames); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitES6Module(node) { + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + var startIndex = emitDirectivePrologues(node.statements, false); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + } + function emitExportEquals(emitAsReturn) { + if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { + writeLine(); + emitStart(exportEquals); + write(emitAsReturn ? "return " : "module.exports = "); + emit(exportEquals.expression); + write(";"); + emitEnd(exportEquals); + } + } + function emitJsxElement(node) { + switch (compilerOptions.jsx) { + case 2: + jsxEmitReact(node); + break; + case 1: + default: + jsxEmitPreserve(node); + break; + } + } + function trimReactWhitespaceAndApplyEntities(node) { + var result = undefined; + var text = ts.getTextOfNode(node, true); + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + if (result) { + result = result.replace(/&(\w+);/g, function (s, m) { + if (entities[m] !== undefined) { + var ch = String.fromCharCode(entities[m]); + return ch === "\"" ? "\\\"" : ch; + } + else { + return s; + } + }); + } + return result; + } + function getTextToEmit(node) { + switch (compilerOptions.jsx) { + case 2: + var text = trimReactWhitespaceAndApplyEntities(node); + if (text === undefined || text.length === 0) { + return undefined; + } + else { + return text; + } + case 1: + default: + return ts.getTextOfNode(node, true); + } + } + function emitJsxText(node) { + switch (compilerOptions.jsx) { + case 2: + write("\""); + write(trimReactWhitespaceAndApplyEntities(node)); + write("\""); + break; + case 1: + default: + writer.writeLiteral(ts.getTextOfNode(node, true)); + break; + } + } + function emitJsxExpression(node) { + if (node.expression) { + switch (compilerOptions.jsx) { + case 1: + default: + write("{"); + emit(node.expression); + write("}"); + break; + case 2: + emit(node.expression); + break; + } + } + } + function isUseStrictPrologue(node) { + return !!node.expression.text.match(/use strict/); + } + function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { + if (writeUseStrict) { + if (startWithNewLine) { + writeLine(); + } + write("\"use strict\";"); + } + } + function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { + var foundUseStrict = false; + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (isUseStrictPrologue(statements[i])) { + foundUseStrict = true; + } + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); + } + else { + ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); + return i; + } + } + ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); + return statements.length; + } + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + writeLine(); + write(line); + } + } + } + function emitEmitHelpers(node) { + if (!compilerOptions.noEmitHelpers) { + if ((languageVersion < 2) && (!extendsEmitted && node.flags & 4194304)) { + writeLines(extendsHelper); + extendsEmitted = true; + } + if (!decorateEmitted && node.flags & 8388608) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + } + if (!paramEmitted && node.flags & 16777216) { + writeLines(paramHelper); + paramEmitted = true; + } + if (!awaiterEmitted && node.flags & 33554432) { + writeLines(awaiterHelper); + awaiterEmitted = true; + } + } + } + function emitSourceFileNode(node) { + writeLine(); + emitShebang(); + emitDetachedCommentsAndUpdateCommentsInfo(node); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { + var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1]; + emitModule(node); + } + else { + bundleEmitDelegates[modulekind](node, true); + } + } + else { + var startIndex = emitDirectivePrologues(node.statements, false); + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + } + emitLeadingComments(node.endOfFileToken); + } + function emit(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); + } + function emitNodeWithCommentsAndWithoutSourcemap(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); + } + function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { + if (node) { + if (node.flags & 4) { + return emitCommentsOnNotEmittedNode(node); + } + if (isSpecializedCommentHandling(node)) { + return emitNodeWithoutSourceMap(node); + } + var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); + if (emitComments_1) { + emitLeadingComments(node); + } + emitNodeConsideringSourcemap(node); + if (emitComments_1) { + emitTrailingComments(node); + } + } + } + function emitNodeWithSourceMap(node) { + if (node) { + emitStart(node); + emitNodeWithoutSourceMap(node); + emitEnd(node); + } + } + function emitNodeWithoutSourceMap(node) { + if (node) { + emitJavaScriptWorker(node); + } + } + function changeSourceMapEmit(writer) { + sourceMap = writer; + emitStart = writer.emitStart; + emitEnd = writer.emitEnd; + emitPos = writer.emitPos; + setSourceFile = writer.setSourceFile; + } + function withTemporaryNoSourceMap(callback) { + var prevSourceMap = sourceMap; + setSourceMapWriterEmit(ts.getNullSourceMapWriter()); + callback(); + setSourceMapWriterEmit(prevSourceMap); + } + function isSpecializedCommentHandling(node) { + switch (node.kind) { + case 218: + case 216: + case 225: + case 224: + case 219: + case 230: + return true; + } + } + function shouldEmitLeadingAndTrailingComments(node) { + switch (node.kind) { + case 196: + return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); + case 221: + return shouldEmitModuleDeclaration(node); + case 220: + return shouldEmitEnumDeclaration(node); + } + ts.Debug.assert(!isSpecializedCommentHandling(node)); + if (node.kind !== 195 && + node.parent && + node.parent.kind === 177 && + node.parent.body === node && + compilerOptions.target <= 1) { + return false; + } + return true; + } + function emitJavaScriptWorker(node) { + switch (node.kind) { + case 69: + return emitIdentifier(node); + case 139: + return emitParameter(node); + case 144: + case 143: + return emitMethod(node); + case 146: + case 147: + return emitAccessor(node); + case 97: + return emitThis(node); + case 95: + return emitSuper(node); + case 93: + return write("null"); + case 99: + return write("true"); + case 84: + return write("false"); + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + return emitLiteral(node); + case 186: + return emitTemplateExpression(node); + case 193: + return emitTemplateSpan(node); + case 236: + case 237: + return emitJsxElement(node); + case 239: + return emitJsxText(node); + case 243: + return emitJsxExpression(node); + case 136: + return emitQualifiedName(node); + case 164: + return emitObjectBindingPattern(node); + case 165: + return emitArrayBindingPattern(node); + case 166: + return emitBindingElement(node); + case 167: + return emitArrayLiteral(node); + case 168: + return emitObjectLiteral(node); + case 248: + return emitPropertyAssignment(node); + case 249: + return emitShorthandPropertyAssignment(node); + case 137: + return emitComputedPropertyName(node); + case 169: + return emitPropertyAccess(node); + case 170: + return emitIndexedAccess(node); + case 171: + return emitCallExpression(node); + case 172: + return emitNewExpression(node); + case 173: + return emitTaggedTemplateExpression(node); + case 174: + return emit(node.expression); + case 192: + return emit(node.expression); + case 175: + return emitParenExpression(node); + case 216: + case 176: + case 177: + return emitFunctionDeclaration(node); + case 178: + return emitDeleteExpression(node); + case 179: + return emitTypeOfExpression(node); + case 180: + return emitVoidExpression(node); + case 181: + return emitAwaitExpression(node); + case 182: + return emitPrefixUnaryExpression(node); + case 183: + return emitPostfixUnaryExpression(node); + case 184: + return emitBinaryExpression(node); + case 185: + return emitConditionalExpression(node); + case 188: + return emitSpreadElementExpression(node); + case 187: + return emitYieldExpression(node); + case 190: + return; + case 195: + case 222: + return emitBlock(node); + case 196: + return emitVariableStatement(node); + case 197: + return write(";"); + case 198: + return emitExpressionStatement(node); + case 199: + return emitIfStatement(node); + case 200: + return emitDoStatement(node); + case 201: + return emitWhileStatement(node); + case 202: + return emitForStatement(node); + case 204: + case 203: + return emitForInOrForOfStatement(node); + case 205: + case 206: + return emitBreakOrContinueStatement(node); + case 207: + return emitReturnStatement(node); + case 208: + return emitWithStatement(node); + case 209: + return emitSwitchStatement(node); + case 244: + case 245: + return emitCaseOrDefaultClause(node); + case 210: + return emitLabeledStatement(node); + case 211: + return emitThrowStatement(node); + case 212: + return emitTryStatement(node); + case 247: + return emitCatchClause(node); + case 213: + return emitDebuggerStatement(node); + case 214: + return emitVariableDeclaration(node); + case 189: + return emitClassExpression(node); + case 217: + return emitClassDeclaration(node); + case 218: + return emitInterfaceDeclaration(node); + case 220: + return emitEnumDeclaration(node); + case 250: + return emitEnumMember(node); + case 221: + return emitModuleDeclaration(node); + case 225: + return emitImportDeclaration(node); + case 224: + return emitImportEqualsDeclaration(node); + case 231: + return emitExportDeclaration(node); + case 230: + return emitExportAssignment(node); + case 251: + return emitSourceFileNode(node); + } + } + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + } + function getLeadingCommentsWithoutDetachedComments() { + var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); + } + else { + detachedCommentsInfo = undefined; + } + return leadingComments; + } + function isTripleSlashComment(comment) { + if (currentText.charCodeAt(comment.pos + 1) === 47 && + comment.pos + 2 < comment.end && + currentText.charCodeAt(comment.pos + 2) === 47) { + var textSubStr = currentText.substring(comment.pos, comment.end); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; + } + return false; + } + function getLeadingCommentsToEmit(node) { + if (node.parent) { + if (node.parent.kind === 251 || node.pos !== node.parent.pos) { + if (hasDetachedComments(node.pos)) { + return getLeadingCommentsWithoutDetachedComments(); + } + else { + return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); + } + } + } + } + function getTrailingCommentsToEmit(node) { + if (node.parent) { + if (node.parent.kind === 251 || node.end !== node.parent.end) { + return ts.getTrailingCommentRanges(currentText, node.end); + } + } + } + function emitCommentsOnNotEmittedNode(node) { + emitLeadingCommentsWorker(node, false); + } + function emitLeadingComments(node) { + return emitLeadingCommentsWorker(node, true); + } + function emitLeadingCommentsWorker(node, isEmittedNode) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (isEmittedNode) { + leadingComments = getLeadingCommentsToEmit(node); + } + else { + if (node.pos === 0) { + leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); + } + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); + ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); + } + function emitTrailingComments(node) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = getTrailingCommentsToEmit(node); + ts.emitComments(currentText, currentLineMap, writer, trailingComments, false, newLine, writeComment); + } + function emitTrailingCommentsOfPosition(pos) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = ts.getTrailingCommentRanges(currentText, pos); + ts.emitComments(currentText, currentLineMap, writer, trailingComments, true, newLine, writeComment); + } + function emitLeadingCommentsOfPositionWorker(pos) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (hasDetachedComments(pos)) { + leadingComments = getLeadingCommentsWithoutDetachedComments(); + } + else { + leadingComments = ts.getLeadingCommentRanges(currentText, pos); + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); + ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); + } + function emitDetachedCommentsAndUpdateCommentsInfo(node) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); + } + else { + detachedCommentsInfo = [currentDetachedCommentInfo]; + } + } + } + function writeComment(text, lineMap, writer, comment, newLine) { + emitPos(comment.pos); + ts.writeCommentRange(text, lineMap, writer, comment, newLine); + emitPos(comment.end); + } + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } + } + var _a, _b; + } + function emitFile(_a, sourceFiles, isBundledEmit) { + var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; + } + } + } + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.programTime = 0; + ts.emitTime = 0; + ts.ioReadTime = 0; + ts.ioWriteTime = 0; + var emptyArray = []; + ts.version = "1.8.2"; + function findConfigFile(searchPath, fileExists) { + var fileName = "tsconfig.json"; + while (true) { + if (fileExists(fileName)) { + return fileName; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + fileName = "../" + fileName; + } + return undefined; + } + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); + } + ts.resolveTripleslashReference = resolveTripleslashReference; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var moduleResolution = compilerOptions.moduleResolution !== undefined + ? compilerOptions.moduleResolution + : ts.getEmitModuleKind(compilerOptions) === 1 ? 2 : 1; + switch (moduleResolution) { + case 2: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + case 1: return classicNameResolver(moduleName, containingFile, compilerOptions, host); + } + } + ts.resolveModuleName = resolveModuleName; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { + var failedLookupLocations = []; + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, false, host); + if (resolvedFileName) { + return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; + } + resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, false, host); + return resolvedFileName + ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + else { + return loadModuleFromNodeModules(moduleName, containingDirectory, host); + } + } + ts.nodeModuleNameResolver = nodeModuleNameResolver; + function directoryProbablyExists(directoryName, host) { + return !host.directoryExists || host.directoryExists(directoryName); + } + ts.directoryProbablyExists = directoryProbablyExists; + function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + return ts.forEach(extensions, tryLoad); + function tryLoad(ext) { + var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; + if (!onlyRecordFailures && host.fileExists(fileName)) { + return fileName; + } + else { + failedLookupLocation.push(fileName); + return undefined; + } + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + var packageJsonPath = ts.combinePaths(candidate, "package.json"); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); + if (directoryExists && host.fileExists(packageJsonPath)) { + var jsonContent = void 0; + try { + var jsonText = host.readFile(packageJsonPath); + jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; + } + catch (e) { + jsonContent = { typings: undefined }; + } + if (typeof jsonContent.typings === "string") { + var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); + var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); + if (result) { + return result; + } + } + } + else { + failedLookupLocation.push(packageJsonPath); + } + return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); + } + function loadModuleFromNodeModules(moduleName, directory, host) { + var failedLookupLocations = []; + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + } + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory) { + break; + } + directory = parentPath; + } + return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + function nameStartsWithDotSlashOrDotDotSlash(name) { + var i = name.lastIndexOf("./", 1); + return i === 0 || (i === 1 && name.charCodeAt(0) === 46); + } + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + if (moduleName.indexOf("!") != -1) { + return { resolvedModule: undefined, failedLookupLocations: [] }; + } + var searchPath = ts.getDirectoryPath(containingFile); + var searchName; + var failedLookupLocations = []; + var referencedSourceFile; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + while (true) { + searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); + referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { + if (extension === ".tsx" && !compilerOptions.jsx) { + return undefined; + } + var candidate = searchName + extension; + if (host.fileExists(candidate)) { + return candidate; + } + else { + failedLookupLocations.push(candidate); + } + }); + if (referencedSourceFile) { + break; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + } + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + ts.classicNameResolver = classicNameResolver; + ts.defaultInitCompilerOptions = { + module: 1, + target: 1, + noImplicitAny: false, + sourceMap: false + }; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = {}; + function getCanonicalFileName(fileName) { + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + } + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + var start = new Date().getTime(); + text = ts.sys.readFile(fileName, options.charset); + ts.ioReadTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; + } + function directoryExists(directoryPath) { + if (ts.hasProperty(existingDirectories, directoryPath)) { + return true; + } + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; + return true; + } + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); + } + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + var start = new Date().getTime(); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + ts.sys.writeFile(fileName, data, writeByteOrderMark); + ts.ioWriteTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + var newLine = ts.getNewLineCharacter(options); + return { + getSourceFile: getSourceFile, + getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } + }; + } + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); + } + return ts.sortAndDeduplicateDiagnostics(diagnostics); + } + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } + } + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; + } + return result; + } + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var programDiagnostics = ts.createDiagnosticCollection(); + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var skipDefaultLib = options.noLib; + var supportedExtensions = ts.getSupportedExtensions(options); + var start = new Date().getTime(); + host = host || createCompilerHost(options); + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var currentDirectory = host.getCurrentDirectory(); + var resolveModuleNamesWorker = host.resolveModuleNames + ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) + : (function (moduleNames, containingFile) { + var resolvedModuleNames = []; + var lookup = {}; + for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { + var moduleName = moduleNames_1[_i]; + var resolvedName = void 0; + if (ts.hasProperty(lookup, moduleName)) { + resolvedName = lookup[moduleName]; + } + else { + resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; + lookup[moduleName] = resolvedName; + } + resolvedModuleNames.push(resolvedName); + } + return resolvedModuleNames; + }); + var filesByName = ts.createFileMap(); + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (oldProgram) { + var oldOptions = oldProgram.getCompilerOptions(); + if ((oldOptions.module !== options.module) || + (oldOptions.noResolve !== options.noResolve) || + (oldOptions.target !== options.target) || + (oldOptions.noLib !== options.noLib) || + (oldOptions.jsx !== options.jsx) || + (oldOptions.allowJs !== options.allowJs)) { + oldProgram = undefined; + } + } + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); + if (!skipDefaultLib) { + processRootFile(host.getDefaultLibFileName(options), true); + } + } + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } + }; + verifyCompilerOptions(); + ts.programTime += new Date().getTime() - start; + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + commonSourceDirectory += ts.directorySeparator; + } + } + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + getTypeChecker(); + classifiableNames = {}; + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var sourceFile = files_3[_i]; + ts.copyMap(sourceFile.classifiableNames, classifiableNames); + } + } + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; + } + ts.Debug.assert(!oldProgram.structureIsReused); + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; + } + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + return false; + } + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + return false; + } + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var newResolution = resolutions[i]; + var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); + var resolutionChanged = oldResolution + ? !newResolution || + oldResolution.resolvedFileName !== newResolution.resolvedFileName || + !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport + : newResolution; + if (resolutionChanged) { + return false; + } + } + } + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + modifiedSourceFiles.push(newSourceFile); + } + else { + newSourceFile = oldSourceFile; + } + newSourceFiles.push(newSourceFile); + } + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); + } + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + } + oldProgram.structureIsReused = true; + return true; + } + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFiles: program.getSourceFiles, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), + isEmitBlocked: isEmitBlocked + }; + } + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); + } + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); + } + function emit(sourceFile, writeFileCallback, cancellationToken) { + var _this = this; + return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); + } + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + } + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + var declarationDiagnostics = []; + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emitSkipped: true }; + } + } + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + var start = new Date().getTime(); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); + ts.emitTime += new Date().getTime() - start; + return emitResult; + } + function getSourceFile(fileName) { + return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); + } + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + } + function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); + } + catch (e) { + if (e instanceof ts.OperationCanceledException) { + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; + } + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } + switch (node.kind) { + case 224: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 230: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 217: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 246: + var heritageClause = node; + if (heritageClause.token === 106) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 218: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 221: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 219: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; + case 144: + case 143: + case 145: + case 146: + case 147: + case 176: + case 216: + case 177: + case 216: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; + } + break; + case 196: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; + } + break; + case 214: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; + } + break; + case 171: + case 172: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start_2 = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 139: + var parameter = node; + if (parameter.modifiers) { + var start_3 = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; + } + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 142: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 220: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 174: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 140: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); + } + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start_4 = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 112: + case 110: + case 111: + case 122: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + case 113: + case 82: + case 74: + case 77: + case 115: + } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + if (!ts.isDeclarationFile(sourceFile)) { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + var writeFile_1 = function () { }; + return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); + } + }); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 225: + case 224: + case 231: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9) { + break; + } + if (!moduleNameExpr.text) { + break; + } + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 221: + if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 || ts.isDeclarationFile(file))) { + var moduleName = node.name; + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); + } + else if (!inAmbientModule) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, true); + } + } + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + return file_1; + } + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + file.path = path; + if (host.useCaseSensitiveFileNames()) { + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); + } + } + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + var basePath = ts.getDirectoryPath(fileName); + if (!options.noResolve) { + processReferencedFiles(file, basePath); + } + processImportedModules(file, basePath); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, basePath) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, false, file, ref.pos, ref.end); + }); + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file, basePath) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = {}; + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + var shouldAddFile = resolution && + !options.noResolve && + i < file.imports.length; + if (shouldAddFile) { + var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); + if (importedFile && resolution.isExternalLibraryImport) { + if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { + var start_5 = ts.getTokenPosOfNode(file.imports[i], file); + fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); + } + else if (importedFile.referencedFiles.length) { + var firstRef = importedFile.referencedFiles[0]; + fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); + } + } + } + } + } + else { + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var commonPathComponents; + var failed = ts.forEach(files, function (sourceFile) { + if (ts.isDeclarationFile(sourceFile)) { + return; + } + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); + sourcePathComponents.pop(); + if (!commonPathComponents) { + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + return true; + } + commonPathComponents.length = i; + break; + } + } + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + if (failed) { + return ""; + } + if (!commonPathComponents) { + return currentDirectory; + } + return ts.getNormalizedPathFromPathComponents(commonPathComponents); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } + } + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.inlineSources) { + if (!options.sourceMap && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.sourceRoot && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); + } + } + var languageVersion = options.target || 0; + var outFile = options.outFile || options.out; + var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === 0 && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstExternalModuleSourceFile && languageVersion < 2 && options.module === 0) { + var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); + } + if (options.module === 5 && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); + } + if (outFile && options.module && !(options.module === 2 || options.module === 4)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + var dir = getCommonSourceDirectory(); + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (options.noEmit) { + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); + } + if (options.outDir) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); + } + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); + } + } + else if (options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + if (emitFilesSeen.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.optionDeclarations = [ + { + name: "charset", + type: "string" + }, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file + }, + { + name: "diagnostics", + type: "boolean" + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file + }, + { + name: "inlineSourceMap", + type: "boolean" + }, + { + name: "inlineSources", + type: "boolean" + }, + { + name: "jsx", + type: { + "preserve": 1, + "react": 2 + }, + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean" + }, + { + name: "locale", + type: "string" + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "module", + shortName: "m", + type: { + "none": 0, + "commonjs": 1, + "amd": 2, + "system": 4, + "umd": 3, + "es6": 5, + "es2015": 5 + }, + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none + }, + { + name: "newLine", + type: { + "crlf": 0, + "lf": 1 + }, + description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type + }, + { + name: "noLib", + type: "boolean" + }, + { + name: "noResolve", + type: "boolean" + }, + { + name: "skipDefaultLibCheck", + type: "boolean" + }, + { + name: "out", + type: "string", + isFilePath: false, + paramType: ts.Diagnostics.FILE + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "isolatedModules", + type: "boolean" + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: { + "es3": 0, + "es5": 1, + "es6": 2, + "es2015": 2 + }, + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, + paramType: ts.Diagnostics.VERSION, + error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: { + "node": 2, + "classic": 1 + }, + description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "noCustomAsyncPromise", + type: "boolean", + experimental: true + } + ]; + var optionNameMapCache; + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; + } + var optionNameMap = {}; + var shortOptionNames = {}; + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; + } + ts.getOptionNameMap = getOptionNameMap; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64) { + parseResponseFile(s.slice(1)); + } + else if (s.charCodeAt(0) === 45) { + s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); + if (ts.hasProperty(shortOptionNames, s)) { + s = shortOptionNames[s]; + } + if (ts.hasProperty(optionNameMap, s)) { + var opt = optionNameMap[s]; + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + options[opt.name] = true; + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + default: + var map_1 = opt.type; + var key = (args[i] || "").toLowerCase(); + i++; + if (ts.hasProperty(map_1, key)) { + options[opt.name] = map_1[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + } + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); + } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); + } + } + ts.parseCommandLine = parseCommandLine; + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); + } + ts.readConfigFile = readConfigFile; + function parseConfigFileTextToJson(fileName, jsonText) { + try { + var jsonTextWithoutComments = removeComments(jsonText); + return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } + } + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1, false, 0, jsonText); + var token; + while ((token = scanner.scan()) !== 1) { + switch (token) { + case 2: + case 3: + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; + } + } + return output; + } + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { + if (existingOptions === void 0) { existingOptions = {}; } + var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; + var options = ts.extend(existingOptions, optionsFromJsonConfigFile); + return { + options: options, + fileNames: getFileNames(), + errors: errors + }; + function getFileNames() { + var fileNames = []; + if (ts.hasProperty(json, "files")) { + if (json["files"] instanceof Array) { + fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } + } + else { + var filesSeen = {}; + var exclude = []; + if (json["exclude"] instanceof Array) { + exclude = json["exclude"]; + } + else { + exclude = ["node_modules"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + exclude.push(outDir); + } + } + exclude = ts.map(exclude, ts.normalizeSlashes); + var supportedExtensions = ts.getSupportedExtensions(options); + ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); + for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { + var extension = supportedExtensions_1[_i]; + var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); + for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { + var fileName = filesInDirWithExtension_1[_a]; + if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { + continue; + } + if (/\.min\.js$/.test(fileName)) { + continue; + } + if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { + var baseName = fileName.substr(0, fileName.length - extension.length); + if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { + continue; + } + } + filesSeen[fileName] = true; + fileNames.push(fileName); + } + } + } + return fileNames; + } + } + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var options = {}; + var errors = []; + if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { + options.allowJs = true; + } + if (!jsonOptions) { + return { options: options, errors: errors }; + } + var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (ts.hasProperty(optionNameMap, id)) { + var opt = optionNameMap[id]; + var optType = opt.type; + var value = jsonOptions[id]; + var expectedType = typeof optType === "string" ? optType : "string"; + if (typeof value === expectedType) { + if (typeof optType !== "string") { + var key = value.toLowerCase(); + if (ts.hasProperty(optType, key)) { + value = optType[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + value = 0; + } + } + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } + options[opt.name] = value; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); + } + } + return { options: options, errors: errors }; + } + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; +})(ts || (ts = {})); +var ts; +(function (ts) { + var reportDiagnostic = reportDiagnosticSimply; + function reportDiagnostics(diagnostics, host) { + for (var _i = 0, diagnostics_1 = diagnostics; _i < diagnostics_1.length; _i++) { + var diagnostic = diagnostics_1[_i]; + reportDiagnostic(diagnostic, host); + } + } + function validateLocaleAndSetLanguage(locale, errors) { + var matchResult = /^([a-z]+)([_\-]([a-z]+))?$/.exec(locale.toLowerCase()); + if (!matchResult) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1, "en", "ja-jp")); + return false; + } + var language = matchResult[1]; + var territory = matchResult[3]; + if (!trySetLanguageAndTerritory(language, territory, errors) && + !trySetLanguageAndTerritory(language, undefined, errors)) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_locale_0, locale)); + return false; + } + return true; + } + function trySetLanguageAndTerritory(language, territory, errors) { + var compilerFilePath = ts.normalizePath(ts.sys.getExecutingFilePath()); + var containingDirectoryPath = ts.getDirectoryPath(compilerFilePath); + var filePath = ts.combinePaths(containingDirectoryPath, language); + if (territory) { + filePath = filePath + "-" + territory; + } + filePath = ts.sys.resolvePath(ts.combinePaths(filePath, "diagnosticMessages.generated.json")); + if (!ts.sys.fileExists(filePath)) { + return false; + } + var fileContents = ""; + try { + fileContents = ts.sys.readFile(filePath); + } + catch (e) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unable_to_open_file_0, filePath)); + return false; + } + try { + ts.localizedDiagnosticMessages = JSON.parse(fileContents); + } + catch (e) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Corrupted_locale_file_0, filePath)); + return false; + } + return true; + } + function countLines(program) { + var count = 0; + ts.forEach(program.getSourceFiles(), function (file) { + count += ts.getLineStarts(file).length; + }); + return count; + } + function getDiagnosticText(message) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + var diagnostic = ts.createCompilerDiagnostic.apply(undefined, arguments); + return diagnostic.messageText; + } + function getRelativeFileName(fileName, host) { + return host ? ts.convertToRelativePath(fileName, host.getCurrentDirectory(), function (fileName) { return host.getCanonicalFileName(fileName); }) : fileName; + } + function reportDiagnosticSimply(diagnostic, host) { + var output = ""; + if (diagnostic.file) { + var _a = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start), line = _a.line, character = _a.character; + var relativeFileName = getRelativeFileName(diagnostic.file.fileName, host); + output += relativeFileName + "(" + (line + 1) + "," + (character + 1) + "): "; + } + var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); + output += category + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine; + ts.sys.write(output); + } + var redForegroundEscapeSequence = "\u001b[91m"; + var yellowForegroundEscapeSequence = "\u001b[93m"; + var blueForegroundEscapeSequence = "\u001b[93m"; + var gutterStyleSequence = "\u001b[100;30m"; + var gutterSeparator = " "; + var resetEscapeSequence = "\u001b[0m"; + var elipsis = "..."; + var categoryFormatMap = (_a = {}, + _a[ts.DiagnosticCategory.Warning] = yellowForegroundEscapeSequence, + _a[ts.DiagnosticCategory.Error] = redForegroundEscapeSequence, + _a[ts.DiagnosticCategory.Message] = blueForegroundEscapeSequence, + _a + ); + function formatAndReset(text, formatStyle) { + return formatStyle + text + resetEscapeSequence; + } + function reportDiagnosticWithColorAndContext(diagnostic, host) { + var output = ""; + if (diagnostic.file) { + var start = diagnostic.start, length_3 = diagnostic.length, file = diagnostic.file; + var _a = ts.getLineAndCharacterOfPosition(file, start), firstLine = _a.line, firstLineChar = _a.character; + var _b = ts.getLineAndCharacterOfPosition(file, start + length_3), lastLine = _b.line, lastLineChar = _b.character; + var lastLineInFile = ts.getLineAndCharacterOfPosition(file, file.text.length).line; + var relativeFileName = getRelativeFileName(file.fileName, host); + var hasMoreThanFiveLines = (lastLine - firstLine) >= 4; + var gutterWidth = (lastLine + 1 + "").length; + if (hasMoreThanFiveLines) { + gutterWidth = Math.max(elipsis.length, gutterWidth); + } + output += ts.sys.newLine; + for (var i = firstLine; i <= lastLine; i++) { + if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) { + output += formatAndReset(padLeft(elipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + ts.sys.newLine; + i = lastLine - 1; + } + var lineStart = ts.getPositionOfLineAndCharacter(file, i, 0); + var lineEnd = i < lastLineInFile ? ts.getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length; + var lineContent = file.text.slice(lineStart, lineEnd); + lineContent = lineContent.replace(/\s+$/g, ""); + lineContent = lineContent.replace("\t", " "); + output += formatAndReset(padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator; + output += lineContent + ts.sys.newLine; + output += formatAndReset(padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator; + output += redForegroundEscapeSequence; + if (i === firstLine) { + var lastCharForLine = i === lastLine ? lastLineChar : undefined; + output += lineContent.slice(0, firstLineChar).replace(/\S/g, " "); + output += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~"); + } + else if (i === lastLine) { + output += lineContent.slice(0, lastLineChar).replace(/./g, "~"); + } + else { + output += lineContent.replace(/./g, "~"); + } + output += resetEscapeSequence; + output += ts.sys.newLine; + } + output += ts.sys.newLine; + output += relativeFileName + "(" + (firstLine + 1) + "," + (firstLineChar + 1) + "): "; + } + var categoryColor = categoryFormatMap[diagnostic.category]; + var category = ts.DiagnosticCategory[diagnostic.category].toLowerCase(); + output += formatAndReset(category, categoryColor) + " TS" + diagnostic.code + ": " + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine); + output += ts.sys.newLine + ts.sys.newLine; + ts.sys.write(output); + } + function reportWatchDiagnostic(diagnostic) { + var output = new Date().toLocaleTimeString() + " - "; + if (diagnostic.file) { + var loc = ts.getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start); + output += diagnostic.file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + "): "; + } + output += "" + ts.flattenDiagnosticMessageText(diagnostic.messageText, ts.sys.newLine) + ts.sys.newLine; + ts.sys.write(output); + } + function padLeft(s, length) { + while (s.length < length) { + s = " " + s; + } + return s; + } + function padRight(s, length) { + while (s.length < length) { + s = s + " "; + } + return s; + } + function reportStatisticalValue(name, value) { + ts.sys.write(padRight(name + ":", 12) + padLeft(value.toString(), 10) + ts.sys.newLine); + } + function reportCountStatistic(name, count) { + reportStatisticalValue(name, "" + count); + } + function reportTimeStatistic(name, time) { + reportStatisticalValue(name, (time / 1000).toFixed(2) + "s"); + } + function isJSONSupported() { + return typeof JSON === "object" && typeof JSON.parse === "function"; + } + function executeCommandLine(args) { + var commandLine = ts.parseCommandLine(args); + var configFileName; + var cachedConfigFileText; + var configFileWatcher; + var directoryWatcher; + var cachedProgram; + var rootFileNames; + var compilerOptions; + var compilerHost; + var hostGetSourceFile; + var timerHandleForRecompilation; + var timerHandleForDirectoryChanges; + var cachedExistingFiles; + var hostFileExists; + if (commandLine.options.locale) { + if (!isJSONSupported()) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--locale"), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + validateLocaleAndSetLanguage(commandLine.options.locale, commandLine.errors); + } + if (commandLine.errors.length > 0) { + reportDiagnostics(commandLine.errors, compilerHost); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + if (commandLine.options.init) { + writeConfigFile(commandLine.options, commandLine.fileNames); + return ts.sys.exit(ts.ExitStatus.Success); + } + if (commandLine.options.version) { + printVersion(); + return ts.sys.exit(ts.ExitStatus.Success); + } + if (commandLine.options.help) { + printVersion(); + printHelp(); + return ts.sys.exit(ts.ExitStatus.Success); + } + if (commandLine.options.project) { + if (!isJSONSupported()) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--project"), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + if (commandLine.fileNames.length !== 0) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Option_project_cannot_be_mixed_with_source_files_on_a_command_line), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + var fileOrDirectory = ts.normalizePath(commandLine.options.project); + if (!fileOrDirectory || ts.sys.directoryExists(fileOrDirectory)) { + configFileName = ts.combinePaths(fileOrDirectory, "tsconfig.json"); + if (!ts.sys.fileExists(configFileName)) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0, commandLine.options.project), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + } + else { + configFileName = fileOrDirectory; + if (!ts.sys.fileExists(configFileName)) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_specified_path_does_not_exist_Colon_0, commandLine.options.project), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + } + } + else if (commandLine.fileNames.length === 0 && isJSONSupported()) { + var searchPath = ts.normalizePath(ts.sys.getCurrentDirectory()); + configFileName = ts.findConfigFile(searchPath, ts.sys.fileExists); + } + if (commandLine.fileNames.length === 0 && !configFileName) { + printVersion(); + printHelp(); + return ts.sys.exit(ts.ExitStatus.Success); + } + if (commandLine.options.watch && commandLine.options.hasOwnProperty("watch")) { + if (!ts.sys.watchFile) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.The_current_host_does_not_support_the_0_option, "--watch"), undefined); + return ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + } + if (configFileName) { + var configFilePath = ts.toPath(configFileName, ts.sys.getCurrentDirectory(), ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + configFileWatcher = ts.sys.watchFile(configFilePath, configFileChanged); + } + if (ts.sys.watchDirectory && configFileName) { + var directory = ts.getDirectoryPath(configFileName); + directoryWatcher = ts.sys.watchDirectory(directory == "" ? "." : directory, watchedDirectoryChanged, true); + } + } + performCompilation(); + function parseConfigFile() { + if (!cachedConfigFileText) { + try { + cachedConfigFileText = ts.sys.readFile(configFileName); + } + catch (e) { + var error = ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, configFileName, e.message); + reportWatchDiagnostic(error); + ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + } + if (!cachedConfigFileText) { + var error = ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, configFileName); + reportDiagnostics([error], undefined); + ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + var result = ts.parseConfigFileTextToJson(configFileName, cachedConfigFileText); + var configObject = result.config; + if (!configObject) { + reportDiagnostics([result.error], undefined); + ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + var configParseResult = ts.parseJsonConfigFileContent(configObject, ts.sys, ts.getDirectoryPath(configFileName), commandLine.options, configFileName); + if (configParseResult.errors.length > 0) { + reportDiagnostics(configParseResult.errors, undefined); + ts.sys.exit(ts.ExitStatus.DiagnosticsPresent_OutputsSkipped); + return; + } + return configParseResult; + } + function performCompilation() { + if (!cachedProgram) { + if (configFileName) { + var configParseResult = parseConfigFile(); + rootFileNames = configParseResult.fileNames; + compilerOptions = configParseResult.options; + } + else { + rootFileNames = commandLine.fileNames; + compilerOptions = commandLine.options; + } + compilerHost = ts.createCompilerHost(compilerOptions); + hostGetSourceFile = compilerHost.getSourceFile; + compilerHost.getSourceFile = getSourceFile; + hostFileExists = compilerHost.fileExists; + compilerHost.fileExists = cachedFileExists; + } + if (compilerOptions.pretty) { + reportDiagnostic = reportDiagnosticWithColorAndContext; + } + cachedExistingFiles = {}; + var compileResult = compile(rootFileNames, compilerOptions, compilerHost); + if (!compilerOptions.watch) { + return ts.sys.exit(compileResult.exitStatus); + } + setCachedProgram(compileResult.program); + reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Compilation_complete_Watching_for_file_changes)); + } + function cachedFileExists(fileName) { + if (ts.hasProperty(cachedExistingFiles, fileName)) { + return cachedExistingFiles[fileName]; + } + return cachedExistingFiles[fileName] = hostFileExists(fileName); + } + function getSourceFile(fileName, languageVersion, onError) { + if (cachedProgram) { + var sourceFile_1 = cachedProgram.getSourceFile(fileName); + if (sourceFile_1 && sourceFile_1.fileWatcher) { + return sourceFile_1; + } + } + var sourceFile = hostGetSourceFile(fileName, languageVersion, onError); + if (sourceFile && compilerOptions.watch) { + var filePath = ts.toPath(sourceFile.fileName, ts.sys.getCurrentDirectory(), ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + sourceFile.fileWatcher = ts.sys.watchFile(filePath, function (fileName, removed) { return sourceFileChanged(sourceFile, removed); }); + } + return sourceFile; + } + function setCachedProgram(program) { + if (cachedProgram) { + var newSourceFiles_1 = program ? program.getSourceFiles() : undefined; + ts.forEach(cachedProgram.getSourceFiles(), function (sourceFile) { + if (!(newSourceFiles_1 && ts.contains(newSourceFiles_1, sourceFile))) { + if (sourceFile.fileWatcher) { + sourceFile.fileWatcher.close(); + sourceFile.fileWatcher = undefined; + } + } + }); + } + cachedProgram = program; + } + function sourceFileChanged(sourceFile, removed) { + sourceFile.fileWatcher.close(); + sourceFile.fileWatcher = undefined; + if (removed) { + var index = rootFileNames.indexOf(sourceFile.fileName); + if (index >= 0) { + rootFileNames.splice(index, 1); + } + } + startTimerForRecompilation(); + } + function configFileChanged() { + setCachedProgram(undefined); + cachedConfigFileText = undefined; + startTimerForRecompilation(); + } + function watchedDirectoryChanged(fileName) { + if (fileName && !ts.isSupportedSourceFileName(fileName, compilerOptions)) { + return; + } + startTimerForHandlingDirectoryChanges(); + } + function startTimerForHandlingDirectoryChanges() { + if (timerHandleForDirectoryChanges) { + clearTimeout(timerHandleForDirectoryChanges); + } + timerHandleForDirectoryChanges = setTimeout(directoryChangeHandler, 250); + } + function directoryChangeHandler() { + var parsedCommandLine = parseConfigFile(); + var newFileNames = ts.map(parsedCommandLine.fileNames, compilerHost.getCanonicalFileName); + var canonicalRootFileNames = ts.map(rootFileNames, compilerHost.getCanonicalFileName); + if (!ts.arrayIsEqualTo(newFileNames && newFileNames.sort(), canonicalRootFileNames && canonicalRootFileNames.sort())) { + setCachedProgram(undefined); + startTimerForRecompilation(); + } + } + function startTimerForRecompilation() { + if (timerHandleForRecompilation) { + clearTimeout(timerHandleForRecompilation); + } + timerHandleForRecompilation = setTimeout(recompile, 250); + } + function recompile() { + timerHandleForRecompilation = undefined; + reportWatchDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.File_change_detected_Starting_incremental_compilation)); + performCompilation(); + } + } + ts.executeCommandLine = executeCommandLine; + function compile(fileNames, compilerOptions, compilerHost) { + ts.ioReadTime = 0; + ts.ioWriteTime = 0; + ts.programTime = 0; + ts.bindTime = 0; + ts.checkTime = 0; + ts.emitTime = 0; + var program = ts.createProgram(fileNames, compilerOptions, compilerHost); + var exitStatus = compileProgram(); + if (compilerOptions.listFiles) { + ts.forEach(program.getSourceFiles(), function (file) { + ts.sys.write(file.fileName + ts.sys.newLine); + }); + } + if (compilerOptions.diagnostics) { + var memoryUsed = ts.sys.getMemoryUsage ? ts.sys.getMemoryUsage() : -1; + reportCountStatistic("Files", program.getSourceFiles().length); + reportCountStatistic("Lines", countLines(program)); + reportCountStatistic("Nodes", program.getNodeCount()); + reportCountStatistic("Identifiers", program.getIdentifierCount()); + reportCountStatistic("Symbols", program.getSymbolCount()); + reportCountStatistic("Types", program.getTypeCount()); + if (memoryUsed >= 0) { + reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K"); + } + reportTimeStatistic("I/O read", ts.ioReadTime); + reportTimeStatistic("I/O write", ts.ioWriteTime); + reportTimeStatistic("Parse time", ts.programTime); + reportTimeStatistic("Bind time", ts.bindTime); + reportTimeStatistic("Check time", ts.checkTime); + reportTimeStatistic("Emit time", ts.emitTime); + reportTimeStatistic("Total time", ts.programTime + ts.bindTime + ts.checkTime + ts.emitTime); + } + return { program: program, exitStatus: exitStatus }; + function compileProgram() { + var diagnostics; + diagnostics = program.getSyntacticDiagnostics(); + if (diagnostics.length === 0) { + diagnostics = program.getOptionsDiagnostics().concat(program.getGlobalDiagnostics()); + if (diagnostics.length === 0) { + diagnostics = program.getSemanticDiagnostics(); + } + } + reportDiagnostics(diagnostics, compilerHost); + if (compilerOptions.noEmit) { + return diagnostics.length + ? ts.ExitStatus.DiagnosticsPresent_OutputsSkipped + : ts.ExitStatus.Success; + } + var emitOutput = program.emit(); + reportDiagnostics(emitOutput.diagnostics, compilerHost); + if (emitOutput.emitSkipped) { + return ts.ExitStatus.DiagnosticsPresent_OutputsSkipped; + } + if (diagnostics.length > 0 || emitOutput.diagnostics.length > 0) { + return ts.ExitStatus.DiagnosticsPresent_OutputsGenerated; + } + return ts.ExitStatus.Success; + } + } + function printVersion() { + ts.sys.write(getDiagnosticText(ts.Diagnostics.Version_0, ts.version) + ts.sys.newLine); + } + function printHelp() { + var output = ""; + var syntaxLength = getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, "").length; + var examplesLength = getDiagnosticText(ts.Diagnostics.Examples_Colon_0, "").length; + var marginLength = Math.max(syntaxLength, examplesLength); + var syntax = makePadding(marginLength - syntaxLength); + syntax += "tsc [" + getDiagnosticText(ts.Diagnostics.options) + "] [" + getDiagnosticText(ts.Diagnostics.file) + " ...]"; + output += getDiagnosticText(ts.Diagnostics.Syntax_Colon_0, syntax); + output += ts.sys.newLine + ts.sys.newLine; + var padding = makePadding(marginLength); + output += getDiagnosticText(ts.Diagnostics.Examples_Colon_0, makePadding(marginLength - examplesLength) + "tsc hello.ts") + ts.sys.newLine; + output += padding + "tsc --out file.js file.ts" + ts.sys.newLine; + output += padding + "tsc @args.txt" + ts.sys.newLine; + output += ts.sys.newLine; + output += getDiagnosticText(ts.Diagnostics.Options_Colon) + ts.sys.newLine; + var optsList = ts.filter(ts.optionDeclarations.slice(), function (v) { return !v.experimental; }); + optsList.sort(function (a, b) { return ts.compareValues(a.name.toLowerCase(), b.name.toLowerCase()); }); + marginLength = 0; + var usageColumn = []; + var descriptionColumn = []; + for (var i = 0; i < optsList.length; i++) { + var option = optsList[i]; + if (!option.description) { + continue; + } + var usageText_1 = " "; + if (option.shortName) { + usageText_1 += "-" + option.shortName; + usageText_1 += getParamType(option); + usageText_1 += ", "; + } + usageText_1 += "--" + option.name; + usageText_1 += getParamType(option); + usageColumn.push(usageText_1); + descriptionColumn.push(getDiagnosticText(option.description)); + marginLength = Math.max(usageText_1.length, marginLength); + } + var usageText = " @<" + getDiagnosticText(ts.Diagnostics.file) + ">"; + usageColumn.push(usageText); + descriptionColumn.push(getDiagnosticText(ts.Diagnostics.Insert_command_line_options_and_files_from_a_file)); + marginLength = Math.max(usageText.length, marginLength); + for (var i = 0; i < usageColumn.length; i++) { + var usage = usageColumn[i]; + var description = descriptionColumn[i]; + output += usage + makePadding(marginLength - usage.length + 2) + description + ts.sys.newLine; + } + ts.sys.write(output); + return; + function getParamType(option) { + if (option.paramType !== undefined) { + return " " + getDiagnosticText(option.paramType); + } + return ""; + } + function makePadding(paddingLength) { + return Array(paddingLength + 1).join(" "); + } + } + function writeConfigFile(options, fileNames) { + var currentDirectory = ts.sys.getCurrentDirectory(); + var file = ts.normalizePath(ts.combinePaths(currentDirectory, "tsconfig.json")); + if (ts.sys.fileExists(file)) { + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.A_tsconfig_json_file_is_already_defined_at_Colon_0, file), undefined); + } + else { + var compilerOptions = ts.extend(options, ts.defaultInitCompilerOptions); + var configurations = { + compilerOptions: serializeCompilerOptions(compilerOptions), + exclude: ["node_modules"] + }; + if (fileNames && fileNames.length) { + configurations.files = fileNames; + } + ts.sys.writeFile(file, JSON.stringify(configurations, undefined, 4)); + reportDiagnostic(ts.createCompilerDiagnostic(ts.Diagnostics.Successfully_created_a_tsconfig_json_file), undefined); + } + return; + function serializeCompilerOptions(options) { + var result = {}; + var optionsNameMap = ts.getOptionNameMap().optionNameMap; + for (var name_32 in options) { + if (ts.hasProperty(options, name_32)) { + var value = options[name_32]; + switch (name_32) { + case "init": + case "watch": + case "version": + case "help": + case "project": + break; + default: + var optionDefinition = optionsNameMap[name_32.toLowerCase()]; + if (optionDefinition) { + if (typeof optionDefinition.type === "string") { + result[name_32] = value; + } + else { + var typeMap = optionDefinition.type; + for (var key in typeMap) { + if (ts.hasProperty(typeMap, key)) { + if (typeMap[key] === value) + result[name_32] = key; + } + } + } + } + break; + } + } + } + return result; + } + } + var _a; +})(ts || (ts = {})); +ts.executeCommandLine(ts.sys.args); diff --git a/lib/tsserver.js b/lib/tsserver.js index 3a21f564babc5..c668238b5ce06 100644 --- a/lib/tsserver.js +++ b/lib/tsserver.js @@ -13,47979 +13,47983 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -var __extends = (this && this.__extends) || function (d, b) { - for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; - function __() { this.constructor = d; } - d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); -}; -var ts; -(function (ts) { - var OperationCanceledException = (function () { - function OperationCanceledException() { - } - return OperationCanceledException; - }()); - ts.OperationCanceledException = OperationCanceledException; - (function (ExitStatus) { - ExitStatus[ExitStatus["Success"] = 0] = "Success"; - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; - })(ts.ExitStatus || (ts.ExitStatus = {})); - var ExitStatus = ts.ExitStatus; - (function (TypeReferenceSerializationKind) { - TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; - })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); - var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (DiagnosticCategory) { - DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; - DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; - DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; - })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); - var DiagnosticCategory = ts.DiagnosticCategory; -})(ts || (ts = {})); -var ts; -(function (ts) { - function createFileMap(keyMapper) { - var files = {}; - return { - get: get, - set: set, - contains: contains, - remove: remove, - forEachValue: forEachValueInMap, - clear: clear - }; - function forEachValueInMap(f) { - for (var key in files) { - f(key, files[key]); - } - } - function get(path) { - return files[toKey(path)]; - } - function set(path, value) { - files[toKey(path)] = value; - } - function contains(path) { - return hasProperty(files, toKey(path)); - } - function remove(path) { - var key = toKey(path); - delete files[key]; - } - function clear() { - files = {}; - } - function toKey(path) { - return keyMapper ? keyMapper(path) : path; - } - } - ts.createFileMap = createFileMap; - function toPath(fileName, basePath, getCanonicalFileName) { - var nonCanonicalizedPath = isRootedDiskPath(fileName) - ? normalizePath(fileName) - : getNormalizedAbsolutePath(fileName, basePath); - return getCanonicalFileName(nonCanonicalizedPath); - } - ts.toPath = toPath; - function forEach(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - var result = callback(array[i], i); - if (result) { - return result; - } - } - } - return undefined; - } - ts.forEach = forEach; - function contains(array, value) { - if (array) { - for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { - var v = array_1[_i]; - if (v === value) { - return true; - } - } - } - return false; - } - ts.contains = contains; - function indexOf(array, value) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (array[i] === value) { - return i; - } - } - } - return -1; - } - ts.indexOf = indexOf; - function countWhere(array, predicate) { - var count = 0; - if (array) { - for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { - var v = array_2[_i]; - if (predicate(v)) { - count++; - } - } - } - return count; - } - ts.countWhere = countWhere; - function filter(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { - var item = array_3[_i]; - if (f(item)) { - result.push(item); - } - } - } - return result; - } - ts.filter = filter; - function map(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { - var v = array_4[_i]; - result.push(f(v)); - } - } - return result; - } - ts.map = map; - function concatenate(array1, array2) { - if (!array2 || !array2.length) - return array1; - if (!array1 || !array1.length) - return array2; - return array1.concat(array2); - } - ts.concatenate = concatenate; - function deduplicate(array) { - var result; - if (array) { - result = []; - for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { - var item = array_5[_i]; - if (!contains(result, item)) { - result.push(item); - } - } - } - return result; - } - ts.deduplicate = deduplicate; - function sum(array, prop) { - var result = 0; - for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { - var v = array_6[_i]; - result += v[prop]; - } - return result; - } - ts.sum = sum; - function addRange(to, from) { - if (to && from) { - for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { - var v = from_1[_i]; - to.push(v); - } - } - } - ts.addRange = addRange; - function rangeEquals(array1, array2, pos, end) { - while (pos < end) { - if (array1[pos] !== array2[pos]) { - return false; - } - pos++; - } - return true; - } - ts.rangeEquals = rangeEquals; - function lastOrUndefined(array) { - if (array.length === 0) { - return undefined; - } - return array[array.length - 1]; - } - ts.lastOrUndefined = lastOrUndefined; - function binarySearch(array, value) { - var low = 0; - var high = array.length - 1; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var midValue = array[middle]; - if (midValue === value) { - return middle; - } - else if (midValue > value) { - high = middle - 1; - } - else { - low = middle + 1; - } - } - return ~low; - } - ts.binarySearch = binarySearch; - function reduceLeft(array, f, initial) { - if (array) { - var count = array.length; - if (count > 0) { - var pos = 0; - var result = arguments.length <= 2 ? array[pos] : initial; - pos++; - while (pos < count) { - result = f(result, array[pos]); - pos++; - } - return result; - } - } - return initial; - } - ts.reduceLeft = reduceLeft; - function reduceRight(array, f, initial) { - if (array) { - var pos = array.length - 1; - if (pos >= 0) { - var result = arguments.length <= 2 ? array[pos] : initial; - pos--; - while (pos >= 0) { - result = f(result, array[pos]); - pos--; - } - return result; - } - } - return initial; - } - ts.reduceRight = reduceRight; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function hasProperty(map, key) { - return hasOwnProperty.call(map, key); - } - ts.hasProperty = hasProperty; - function getProperty(map, key) { - return hasOwnProperty.call(map, key) ? map[key] : undefined; - } - ts.getProperty = getProperty; - function isEmpty(map) { - for (var id in map) { - if (hasProperty(map, id)) { - return false; - } - } - return true; - } - ts.isEmpty = isEmpty; - function clone(object) { - var result = {}; - for (var id in object) { - result[id] = object[id]; - } - return result; - } - ts.clone = clone; - function extend(first, second) { - var result = {}; - for (var id in first) { - result[id] = first[id]; - } - for (var id in second) { - if (!hasProperty(result, id)) { - result[id] = second[id]; - } - } - return result; - } - ts.extend = extend; - function forEachValue(map, callback) { - var result; - for (var id in map) { - if (result = callback(map[id])) - break; - } - return result; - } - ts.forEachValue = forEachValue; - function forEachKey(map, callback) { - var result; - for (var id in map) { - if (result = callback(id)) - break; - } - return result; - } - ts.forEachKey = forEachKey; - function lookUp(map, key) { - return hasProperty(map, key) ? map[key] : undefined; - } - ts.lookUp = lookUp; - function copyMap(source, target) { - for (var p in source) { - target[p] = source[p]; - } - } - ts.copyMap = copyMap; - function arrayToMap(array, makeKey) { - var result = {}; - forEach(array, function (value) { - result[makeKey(value)] = value; - }); - return result; - } - ts.arrayToMap = arrayToMap; - function reduceProperties(map, callback, initial) { - var result = initial; - if (map) { - for (var key in map) { - if (hasProperty(map, key)) { - result = callback(result, map[key], String(key)); - } - } - } - return result; - } - ts.reduceProperties = reduceProperties; - function isArray(value) { - return Array.isArray ? Array.isArray(value) : value instanceof Array; - } - ts.isArray = isArray; - function memoize(callback) { - var value; - return function () { - if (callback) { - value = callback(); - callback = undefined; - } - return value; - }; - } - ts.memoize = memoize; - function formatStringFromArgs(text, args, baseIndex) { - baseIndex = baseIndex || 0; - return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); - } - ts.localizedDiagnosticMessages = undefined; - function getLocaleSpecificMessage(message) { - return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] - ? ts.localizedDiagnosticMessages[message.key] - : message.message; - } - ts.getLocaleSpecificMessage = getLocaleSpecificMessage; - function createFileDiagnostic(file, start, length, message) { - var end = start + length; - Debug.assert(start >= 0, "start must be non-negative, is " + start); - Debug.assert(length >= 0, "length must be non-negative, is " + length); - if (file) { - Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); - Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); - } - var text = getLocaleSpecificMessage(message); - if (arguments.length > 4) { - text = formatStringFromArgs(text, arguments, 4); - } - return { - file: file, - start: start, - length: length, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createFileDiagnostic = createFileDiagnostic; - function createCompilerDiagnostic(message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 1) { - text = formatStringFromArgs(text, arguments, 1); - } - return { - file: undefined, - start: undefined, - length: undefined, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createCompilerDiagnostic = createCompilerDiagnostic; - function chainDiagnosticMessages(details, message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 2) { - text = formatStringFromArgs(text, arguments, 2); - } - return { - messageText: text, - category: message.category, - code: message.code, - next: details - }; - } - ts.chainDiagnosticMessages = chainDiagnosticMessages; - function concatenateDiagnosticMessageChains(headChain, tailChain) { - var lastChain = headChain; - while (lastChain.next) { - lastChain = lastChain.next; - } - lastChain.next = tailChain; - return headChain; - } - ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; - function compareValues(a, b) { - if (a === b) - return 0; - if (a === undefined) - return -1; - if (b === undefined) - return 1; - return a < b ? -1 : 1; - } - ts.compareValues = compareValues; - function getDiagnosticFileName(diagnostic) { - return diagnostic.file ? diagnostic.file.fileName : undefined; - } - function compareDiagnostics(d1, d2) { - return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || - compareValues(d1.start, d2.start) || - compareValues(d1.length, d2.length) || - compareValues(d1.code, d2.code) || - compareMessageText(d1.messageText, d2.messageText) || - 0; - } - ts.compareDiagnostics = compareDiagnostics; - function compareMessageText(text1, text2) { - while (text1 && text2) { - var string1 = typeof text1 === "string" ? text1 : text1.messageText; - var string2 = typeof text2 === "string" ? text2 : text2.messageText; - var res = compareValues(string1, string2); - if (res) { - return res; - } - text1 = typeof text1 === "string" ? undefined : text1.next; - text2 = typeof text2 === "string" ? undefined : text2.next; - } - if (!text1 && !text2) { - return 0; - } - return text1 ? 1 : -1; - } - function sortAndDeduplicateDiagnostics(diagnostics) { - return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); - } - ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; - function deduplicateSortedDiagnostics(diagnostics) { - if (diagnostics.length < 2) { - return diagnostics; - } - var newDiagnostics = [diagnostics[0]]; - var previousDiagnostic = diagnostics[0]; - for (var i = 1; i < diagnostics.length; i++) { - var currentDiagnostic = diagnostics[i]; - var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0; - if (!isDupe) { - newDiagnostics.push(currentDiagnostic); - previousDiagnostic = currentDiagnostic; - } - } - return newDiagnostics; - } - ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; - function normalizeSlashes(path) { - return path.replace(/\\/g, "/"); - } - ts.normalizeSlashes = normalizeSlashes; - function getRootLength(path) { - if (path.charCodeAt(0) === 47) { - if (path.charCodeAt(1) !== 47) - return 1; - var p1 = path.indexOf("/", 2); - if (p1 < 0) - return 2; - var p2 = path.indexOf("/", p1 + 1); - if (p2 < 0) - return p1 + 1; - return p2 + 1; - } - if (path.charCodeAt(1) === 58) { - if (path.charCodeAt(2) === 47) - return 3; - return 2; - } - if (path.lastIndexOf("file:///", 0) === 0) { - return "file:///".length; - } - var idx = path.indexOf("://"); - if (idx !== -1) { - return idx + "://".length; - } - return 0; - } - ts.getRootLength = getRootLength; - ts.directorySeparator = "/"; - function getNormalizedParts(normalizedSlashedPath, rootLength) { - var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); - var normalized = []; - for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { - var part = parts_1[_i]; - if (part !== ".") { - if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { - normalized.pop(); - } - else { - if (part) { - normalized.push(part); - } - } - } - } - return normalized; - } - function normalizePath(path) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - var normalized = getNormalizedParts(path, rootLength); - return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); - } - ts.normalizePath = normalizePath; - function getDirectoryPath(path) { - return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); - } - ts.getDirectoryPath = getDirectoryPath; - function isUrl(path) { - return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; - } - ts.isUrl = isUrl; - function isRootedDiskPath(path) { - return getRootLength(path) !== 0; - } - ts.isRootedDiskPath = isRootedDiskPath; - function normalizedPathComponents(path, rootLength) { - var normalizedParts = getNormalizedParts(path, rootLength); - return [path.substr(0, rootLength)].concat(normalizedParts); - } - function getNormalizedPathComponents(path, currentDirectory) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - if (rootLength === 0) { - path = combinePaths(normalizeSlashes(currentDirectory), path); - rootLength = getRootLength(path); - } - return normalizedPathComponents(path, rootLength); - } - ts.getNormalizedPathComponents = getNormalizedPathComponents; - function getNormalizedAbsolutePath(fileName, currentDirectory) { - return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); - } - ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; - function getNormalizedPathFromPathComponents(pathComponents) { - if (pathComponents && pathComponents.length) { - return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); - } - } - ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; - function getNormalizedPathComponentsOfUrl(url) { - var urlLength = url.length; - var rootLength = url.indexOf("://") + "://".length; - while (rootLength < urlLength) { - if (url.charCodeAt(rootLength) === 47) { - rootLength++; - } - else { - break; - } - } - if (rootLength === urlLength) { - return [url]; - } - var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); - if (indexOfNextSlash !== -1) { - rootLength = indexOfNextSlash + 1; - return normalizedPathComponents(url, rootLength); - } - else { - return [url + ts.directorySeparator]; - } - } - function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { - if (isUrl(pathOrUrl)) { - return getNormalizedPathComponentsOfUrl(pathOrUrl); - } - else { - return getNormalizedPathComponents(pathOrUrl, currentDirectory); - } - } - function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { - var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); - var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); - if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { - directoryComponents.length--; - } - var joinStartIndex; - for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { - break; - } - } - if (joinStartIndex) { - var relativePath = ""; - var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); - for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (directoryComponents[joinStartIndex] !== "") { - relativePath = relativePath + ".." + ts.directorySeparator; - } - } - return relativePath + relativePathComponents.join(ts.directorySeparator); - } - var absolutePath = getNormalizedPathFromPathComponents(pathComponents); - if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { - absolutePath = "file:///" + absolutePath; - } - return absolutePath; - } - ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; - function getBaseFileName(path) { - if (path === undefined) { - return undefined; - } - var i = path.lastIndexOf(ts.directorySeparator); - return i < 0 ? path : path.substring(i + 1); - } - ts.getBaseFileName = getBaseFileName; - function combinePaths(path1, path2) { - if (!(path1 && path1.length)) - return path2; - if (!(path2 && path2.length)) - return path1; - if (getRootLength(path2) !== 0) - return path2; - if (path1.charAt(path1.length - 1) === ts.directorySeparator) - return path1 + path2; - return path1 + ts.directorySeparator + path2; - } - ts.combinePaths = combinePaths; - function fileExtensionIs(path, extension) { - var pathLen = path.length; - var extLen = extension.length; - return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; - } - ts.fileExtensionIs = fileExtensionIs; - ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; - ts.supportedJavascriptExtensions = [".js", ".jsx"]; - var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); - function getSupportedExtensions(options) { - return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; - } - ts.getSupportedExtensions = getSupportedExtensions; - function isSupportedSourceFileName(fileName, compilerOptions) { - if (!fileName) { - return false; - } - for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { - var extension = _a[_i]; - if (fileExtensionIs(fileName, extension)) { - return true; - } - } - return false; - } - ts.isSupportedSourceFileName = isSupportedSourceFileName; - var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; - function removeFileExtension(path) { - for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { - var ext = extensionsToRemove_1[_i]; - if (fileExtensionIs(path, ext)) { - return path.substr(0, path.length - ext.length); - } - } - return path; - } - ts.removeFileExtension = removeFileExtension; - function Symbol(flags, name) { - this.flags = flags; - this.name = name; - this.declarations = undefined; - } - function Type(checker, flags) { - this.flags = flags; - } - function Signature(checker) { - } - function Node(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0; - this.parent = undefined; - } - ts.objectAllocator = { - getNodeConstructor: function () { return Node; }, - getSourceFileConstructor: function () { return Node; }, - getSymbolConstructor: function () { return Symbol; }, - getTypeConstructor: function () { return Type; }, - getSignatureConstructor: function () { return Signature; } - }; - var Debug; - (function (Debug) { - var currentAssertionLevel = 0; - function shouldAssert(level) { - return currentAssertionLevel >= level; - } - Debug.shouldAssert = shouldAssert; - function assert(expression, message, verboseDebugInfo) { - if (!expression) { - var verboseDebugString = ""; - if (verboseDebugInfo) { - verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); - } - debugger; - throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); - } - } - Debug.assert = assert; - function fail(message) { - Debug.assert(false, message); - } - Debug.fail = fail; - })(Debug = ts.Debug || (ts.Debug = {})); - function copyListRemovingItem(item, list) { - var copiedList = []; - for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { - var e = list_1[_i]; - if (e !== item) { - copiedList.push(e); - } - } - return copiedList; - } - ts.copyListRemovingItem = copyListRemovingItem; - function createGetCanonicalFileName(useCaseSensitivefileNames) { - return useCaseSensitivefileNames - ? (function (fileName) { return fileName; }) - : (function (fileName) { return fileName.toLowerCase(); }); - } - ts.createGetCanonicalFileName = createGetCanonicalFileName; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.sys = (function () { - function getWScriptSystem() { - var fso = new ActiveXObject("Scripting.FileSystemObject"); - var fileStream = new ActiveXObject("ADODB.Stream"); - fileStream.Type = 2; - var binaryStream = new ActiveXObject("ADODB.Stream"); - binaryStream.Type = 1; - var args = []; - for (var i = 0; i < WScript.Arguments.length; i++) { - args[i] = WScript.Arguments.Item(i); - } - function readFile(fileName, encoding) { - if (!fso.FileExists(fileName)) { - return undefined; - } - fileStream.Open(); - try { - if (encoding) { - fileStream.Charset = encoding; - fileStream.LoadFromFile(fileName); - } - else { - fileStream.Charset = "x-ansi"; - fileStream.LoadFromFile(fileName); - var bom = fileStream.ReadText(2) || ""; - fileStream.Position = 0; - fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; - } - return fileStream.ReadText(); - } - catch (e) { - throw e; - } - finally { - fileStream.Close(); - } - } - function writeFile(fileName, data, writeByteOrderMark) { - fileStream.Open(); - binaryStream.Open(); - try { - fileStream.Charset = "utf-8"; - fileStream.WriteText(data); - if (writeByteOrderMark) { - fileStream.Position = 0; - } - else { - fileStream.Position = 3; - } - fileStream.CopyTo(binaryStream); - binaryStream.SaveToFile(fileName, 2); - } - finally { - binaryStream.Close(); - fileStream.Close(); - } - } - function getCanonicalPath(path) { - return path.toLowerCase(); - } - function getNames(collection) { - var result = []; - for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { - result.push(e.item().Name); - } - return result.sort(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var folder = fso.GetFolder(path || "."); - var files = getNames(folder.files); - for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { - var current = files_1[_i]; - var name_1 = ts.combinePaths(path, current); - if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { - result.push(name_1); - } - } - var subfolders = getNames(folder.subfolders); - for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { - var current = subfolders_1[_a]; - var name_2 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_2))) { - visitDirectory(name_2); - } - } - } - } - return { - args: args, - newLine: "\r\n", - useCaseSensitiveFileNames: false, - write: function (s) { - WScript.StdOut.Write(s); - }, - readFile: readFile, - writeFile: writeFile, - resolvePath: function (path) { - return fso.GetAbsolutePathName(path); - }, - fileExists: function (path) { - return fso.FileExists(path); - }, - directoryExists: function (path) { - return fso.FolderExists(path); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - fso.CreateFolder(directoryName); - } - }, - getExecutingFilePath: function () { - return WScript.ScriptFullName; - }, - getCurrentDirectory: function () { - return new ActiveXObject("WScript.Shell").CurrentDirectory; - }, - readDirectory: readDirectory, - exit: function (exitCode) { - try { - WScript.Quit(exitCode); - } - catch (e) { - } - } - }; - } - function getNodeSystem() { - var _fs = require("fs"); - var _path = require("path"); - var _os = require("os"); - function createPollingWatchedFileSet(interval, chunkSize) { - if (interval === void 0) { interval = 2500; } - if (chunkSize === void 0) { chunkSize = 30; } - var watchedFiles = []; - var nextFileToCheck = 0; - var watchTimer; - function getModifiedTime(fileName) { - return _fs.statSync(fileName).mtime; - } - function poll(checkedIndex) { - var watchedFile = watchedFiles[checkedIndex]; - if (!watchedFile) { - return; - } - _fs.stat(watchedFile.filePath, function (err, stats) { - if (err) { - watchedFile.callback(watchedFile.filePath); - } - else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { - watchedFile.mtime = getModifiedTime(watchedFile.filePath); - watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); - } - }); - } - function startWatchTimer() { - watchTimer = setInterval(function () { - var count = 0; - var nextToCheck = nextFileToCheck; - var firstCheck = -1; - while ((count < chunkSize) && (nextToCheck !== firstCheck)) { - poll(nextToCheck); - if (firstCheck < 0) { - firstCheck = nextToCheck; - } - nextToCheck++; - if (nextToCheck === watchedFiles.length) { - nextToCheck = 0; - } - count++; - } - nextFileToCheck = nextToCheck; - }, interval); - } - function addFile(filePath, callback) { - var file = { - filePath: filePath, - callback: callback, - mtime: getModifiedTime(filePath) - }; - watchedFiles.push(file); - if (watchedFiles.length === 1) { - startWatchTimer(); - } - return file; - } - function removeFile(file) { - watchedFiles = ts.copyListRemovingItem(file, watchedFiles); - } - return { - getModifiedTime: getModifiedTime, - poll: poll, - startWatchTimer: startWatchTimer, - addFile: addFile, - removeFile: removeFile - }; - } - function createWatchedFileSet() { - var dirWatchers = ts.createFileMap(); - var fileWatcherCallbacks = ts.createFileMap(); - return { addFile: addFile, removeFile: removeFile }; - function reduceDirWatcherRefCountForFile(filePath) { - var dirPath = ts.getDirectoryPath(filePath); - if (dirWatchers.contains(dirPath)) { - var watcher = dirWatchers.get(dirPath); - watcher.referenceCount -= 1; - if (watcher.referenceCount <= 0) { - watcher.close(); - dirWatchers.remove(dirPath); - } - } - } - function addDirWatcher(dirPath) { - if (dirWatchers.contains(dirPath)) { - var watcher_1 = dirWatchers.get(dirPath); - watcher_1.referenceCount += 1; - return; - } - var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); - watcher.referenceCount = 1; - dirWatchers.set(dirPath, watcher); - return; - } - function addFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - fileWatcherCallbacks.get(filePath).push(callback); - } - else { - fileWatcherCallbacks.set(filePath, [callback]); - } - } - function addFile(filePath, callback) { - addFileWatcherCallback(filePath, callback); - addDirWatcher(ts.getDirectoryPath(filePath)); - return { filePath: filePath, callback: callback }; - } - function removeFile(watchedFile) { - removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); - reduceDirWatcherRefCountForFile(watchedFile.filePath); - } - function removeFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); - if (newCallbacks.length === 0) { - fileWatcherCallbacks.remove(filePath); - } - else { - fileWatcherCallbacks.set(filePath, newCallbacks); - } - } - } - function fileEventHandler(eventName, relativeFileName, baseDirPath) { - var filePath = typeof relativeFileName !== "string" - ? undefined - : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { - for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { - var fileCallback = _a[_i]; - fileCallback(filePath); - } - } - } - } - var pollingWatchedFileSet = createPollingWatchedFileSet(); - var watchedFileSet = createWatchedFileSet(); - function isNode4OrLater() { - return parseInt(process.version.charAt(1)) >= 4; - } - var platform = _os.platform(); - var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; - function readFile(fileName, encoding) { - if (!_fs.existsSync(fileName)) { - return undefined; - } - var buffer = _fs.readFileSync(fileName); - var len = buffer.length; - if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { - len &= ~1; - for (var i = 0; i < len; i += 2) { - var temp = buffer[i]; - buffer[i] = buffer[i + 1]; - buffer[i + 1] = temp; - } - return buffer.toString("utf16le", 2); - } - if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { - return buffer.toString("utf16le", 2); - } - if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { - return buffer.toString("utf8", 3); - } - return buffer.toString("utf8"); - } - function writeFile(fileName, data, writeByteOrderMark) { - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - var fd; - try { - fd = _fs.openSync(fileName, "w"); - _fs.writeSync(fd, data, undefined, "utf8"); - } - finally { - if (fd !== undefined) { - _fs.closeSync(fd); - } - } - } - function getCanonicalPath(path) { - return useCaseSensitiveFileNames ? path : path.toLowerCase(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var files = _fs.readdirSync(path || ".").sort(); - var directories = []; - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var current = files_2[_i]; - var name_3 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_3))) { - var stat = _fs.statSync(name_3); - if (stat.isFile()) { - if (!extension || ts.fileExtensionIs(name_3, extension)) { - result.push(name_3); - } - } - else if (stat.isDirectory()) { - directories.push(name_3); - } - } - } - for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { - var current = directories_1[_a]; - visitDirectory(current); - } - } - } - return { - args: process.argv.slice(2), - newLine: _os.EOL, - useCaseSensitiveFileNames: useCaseSensitiveFileNames, - write: function (s) { - process.stdout.write(s); - }, - readFile: readFile, - writeFile: writeFile, - watchFile: function (filePath, callback) { - var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; - var watchedFile = watchSet.addFile(filePath, callback); - return { - close: function () { return watchSet.removeFile(watchedFile); } - }; - }, - watchDirectory: function (path, callback, recursive) { - var options; - if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { - options = { persistent: true, recursive: !!recursive }; - } - else { - options = { persistent: true }; - } - return _fs.watch(path, options, function (eventName, relativeFileName) { - if (eventName === "rename") { - callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); - } - ; - }); - }, - resolvePath: function (path) { - return _path.resolve(path); - }, - fileExists: function (path) { - return _fs.existsSync(path); - }, - directoryExists: function (path) { - return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - _fs.mkdirSync(directoryName); - } - }, - getExecutingFilePath: function () { - return __filename; - }, - getCurrentDirectory: function () { - return process.cwd(); - }, - readDirectory: readDirectory, - getMemoryUsage: function () { - if (global.gc) { - global.gc(); - } - return process.memoryUsage().heapUsed; - }, - exit: function (exitCode) { - process.exit(exitCode); - } - }; - } - function getChakraSystem() { - return { - newLine: ChakraHost.newLine || "\r\n", - args: ChakraHost.args, - useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, - write: ChakraHost.echo, - readFile: function (path, encoding) { - return ChakraHost.readFile(path); - }, - writeFile: function (path, data, writeByteOrderMark) { - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - ChakraHost.writeFile(path, data); - }, - resolvePath: ChakraHost.resolvePath, - fileExists: ChakraHost.fileExists, - directoryExists: ChakraHost.directoryExists, - createDirectory: ChakraHost.createDirectory, - getExecutingFilePath: function () { return ChakraHost.executingFile; }, - getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, - readDirectory: ChakraHost.readDirectory, - exit: ChakraHost.quit - }; - } - if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { - return getWScriptSystem(); - } - else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { - return getNodeSystem(); - } - else if (typeof ChakraHost !== "undefined") { - return getChakraSystem(); - } - else { - return undefined; - } - })(); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.Diagnostics = { - Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, - Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, - _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, - A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, - Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, - Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, - Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, - A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, - Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, - A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, - An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, - An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, - An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, - An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, - An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, - An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, - An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, - Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, - _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, - _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, - _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, - super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, - Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, - Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, - A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, - Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, - _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, - _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, - _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, - _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, - _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, - A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, - A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, - A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, - A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, - A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, - A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, - A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, - A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, - A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, - Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, - Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, - An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, - Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, - Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, - Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, - Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, - _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, - An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, - The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, - In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, - Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, - A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, - Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, - Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, - An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, - _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, - _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, - Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, - Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, - An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, - A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, - An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, - _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, - Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, - Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, - Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, - with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, - delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, - A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, - A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, - Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, - A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, - Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, - Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, - A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, - A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, - Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, - A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, - A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, - An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, - An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, - An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, - An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, - Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, - A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, - Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, - Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, - Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, - Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, - Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, - Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, - Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, - case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, - Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, - Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, - Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, - Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, - Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, - Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, - Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, - Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, - Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, - String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, - Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, - or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, - Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, - Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, - Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, - Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, - File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, - new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, - const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, - const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, - let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, - Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, - Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, - An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, - A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, - Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, - A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, - A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, - A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, - extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, - extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, - Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, - implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, - Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, - Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, - Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, - Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, - Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, - Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, - A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, - An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, - Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, - Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, - A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, - A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, - The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, - The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, - An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, - Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, - An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, - Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, - Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, - Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, - An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, - Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, - Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, - Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, - Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, - Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, - Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, - Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, - Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, - Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, - Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, - A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, - Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, - Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, - Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, - Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, - Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, - An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, - _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, - Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, - Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, - Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, - Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, - A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, - A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, - A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, - An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, - An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, - An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, - An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, - A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, - The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, - The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, - Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, - Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, - Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, - Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, - abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, - _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, - Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, - Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, - An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, - A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, - A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, - A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, - with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, - await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, - Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, - can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, - The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, - Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, - Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, - Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, - Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, - Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, - Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, - File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, - Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, - Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, - An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, - Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, - A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, - An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, - Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, - Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, - Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, - Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, - Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, - Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, - Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, - Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, - Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, - Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, - Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, - Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, - Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, - Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, - Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, - Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, - Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, - Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, - this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, - this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, - this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, - this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, - super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, - super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, - Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, - super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, - Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, - Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, - Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, - An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, - Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, - Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, - Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, - Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, - Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, - Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, - Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, - Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, - Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, - Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, - No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, - A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, - An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, - The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, - The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, - The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, - The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, - The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, - The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, - Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, - Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, - A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, - A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, - A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, - Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, - Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, - Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, - Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, - A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, - Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, - A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, - Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, - get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, - A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, - Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, - Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, - Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, - Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, - Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, - Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, - Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, - Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, - Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, - Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, - Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, - Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, - Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, - Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, - Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, - Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, - Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, - Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, - Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, - Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, - Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, - The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, - The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, - Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, - The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, - Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, - Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, - All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, - Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, - Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, - Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, - Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, - Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, - Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, - Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, - Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, - A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, - Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, - Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, - Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, - All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, - Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, - Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, - In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, - A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, - A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, - Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, - Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, - Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, - Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, - Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, - Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, - Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, - Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, - Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, - Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, - Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, - The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, - Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, - The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, - Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, - Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, - An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, - The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, - Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, - Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, - Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, - An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, - Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, - Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, - Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, - A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, - A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, - A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, - this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, - super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, - A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, - Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, - The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, - Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, - A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, - Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, - Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, - In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, - const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, - A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, - const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, - const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, - Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, - let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, - Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, - The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, - Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, - The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, - Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, - Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, - An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, - The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, - Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, - Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, - Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, - Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, - The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, - Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, - Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, - An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, - A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, - A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, - _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, - Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, - No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, - A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, - _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, - Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, - No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, - Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, - Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, - Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, - Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, - Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, - Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, - Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, - All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, - Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, - A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, - Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, - Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, - The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, - yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, - await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, - Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, - A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, - The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, - A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, - JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, - The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, - JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, - Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, - JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, - JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, - Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, - JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, - The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, - Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, - A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, - Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, - Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, - Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, - Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, - JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, - Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, - super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, - super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, - Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, - Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, - Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, - Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, - Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, - Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, - Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, - export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, - Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, - Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, - Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, - Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, - Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, - Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, - Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, - Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, - Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, - Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, - Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, - Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, - Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, - Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, - Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, - The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, - Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, - Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, - Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, - Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, - Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, - Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, - Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, - Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, - Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, - Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, - Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, - Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, - A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, - Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, - Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, - Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, - The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, - Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, - Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, - Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, - Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, - Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, - Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, - Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, - Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, - Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, - Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, - Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, - Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, - Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, - Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, - Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, - Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, - Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, - Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, - options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, - file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, - Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, - Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, - Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, - Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, - File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, - KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, - FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, - VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, - LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, - DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, - Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, - Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, - Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, - Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, - Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, - Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, - Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, - Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, - Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, - Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, - Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, - File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, - File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, - Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, - Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, - Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, - File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, - Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, - NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, - Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, - Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, - Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, - Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, - Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, - Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, - Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, - Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, - Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, - Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, - Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, - Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, - Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, - Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, - Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, - Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, - Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, - Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, - Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, - Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, - Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, - Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, - Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, - Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, - new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, - _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, - Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, - Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, - Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, - Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, - Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, - Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, - Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, - _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, - JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, - Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, - Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, - Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, - Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, - You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, - You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, - import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, - export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, - type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, - implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, - interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, - module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, - type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, - _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, - types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, - type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, - parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, - property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, - enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, - type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, - Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, - class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, - JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, - JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, - Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, - JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, - Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, - A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, - An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, - super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } - }; -})(ts || (ts = {})); -var ts; -(function (ts) { - function tokenIsIdentifierOrKeyword(token) { - return token >= 69; - } - ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; - var textToToken = { - "abstract": 115, - "any": 117, - "as": 116, - "boolean": 120, - "break": 70, - "case": 71, - "catch": 72, - "class": 73, - "continue": 75, - "const": 74, - "constructor": 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42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - if (code < map[0]) { - return false; - } - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; - } - } - return false; - } - function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); - } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); - } - function makeReverseMap(source) { - var result = []; - for (var name_4 in source) { - if (source.hasOwnProperty(name_4)) { - result[source[name_4]] = name_4; - } - } - return result; - } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; - } - ts.tokenToString = tokenToString; - function stringToToken(s) { - return textToToken[s]; - } - ts.stringToToken = stringToToken; - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13: - if (text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; - } - } - result.push(lineStart); - return result; - } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); - } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; - } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); - } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - return ch === 32 || - ch === 9 || - ch === 11 || - ch === 12 || - ch === 160 || - ch === 133 || - ch === 5760 || - ch >= 8192 && ch <= 8203 || - ch === 8239 || - ch === 8287 || - ch === 12288 || - ch === 65279; - } - ts.isWhiteSpace = isWhiteSpace; - function isLineBreak(ch) { - return ch === 10 || - ch === 13 || - ch === 8232 || - ch === 8233; - } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 && ch <= 57; - } - function isOctalDigit(ch) { - return ch >= 48 && ch <= 55; - } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - case 10: - case 9: - case 11: - case 12: - case 32: - case 47: - case 60: - case 61: - case 62: - return true; - case 35: - return pos === 0; - default: - return ch > 127; - } - } - ts.couldStartTrivia = couldStartTrivia; - function skipTrivia(text, pos, stopAfterLineBreak) { - if (!(pos >= 0)) { - return pos; - } - while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60: - case 61: - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { - pos++; - continue; - } - break; - } - return pos; - } - } - ts.skipTrivia = skipTrivia; - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32; - } - } - return false; - } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); - } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 || ch === 62) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; - } - } - else { - ts.Debug.assert(ch === 61); - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } - } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); - } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; - } - function getCommentRanges(text, pos, trailing) { - var result; - var collecting = trailing || pos === 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13: - if (text.charCodeAt(pos + 1) === 10) { - pos++; - } - case 10: - pos++; - if (trailing) { - return result; - } - collecting = true; - if (result && result.length) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - continue; - case 9: - case 11: - case 12: - case 32: - pos++; - continue; - case 47: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 || nextChar === 42) { - var kind = nextChar === 47 ? 2 : 3; - var startPos = pos; - pos += 2; - if (nextChar === 47) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (!result) { - result = []; - } - result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - } - continue; - } - break; - default: - if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { - if (result && result.length && isLineBreak(ch)) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - pos++; - continue; - } - break; - } - return result; - } - return result; - } - function getLeadingCommentRanges(text, pos) { - return getCommentRanges(text, pos, false); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return getCommentRanges(text, pos, true); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || - ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || - ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - function isIdentifier(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; - } - } - return true; - } - ts.isIdentifier = isIdentifier; - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0; } - var pos; - var end; - var startPos; - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 69 || token > 105; }, - isReservedWord: function () { return token >= 70 && token <= 105; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); - } - } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - } - var end = pos; - if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { - pos++; - if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); - } - } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); - } - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(count, false); - } - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(count, true); - } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 && ch <= 57) { - value = value * 16 + ch - 48; - } - else if (ch >= 65 && ch <= 70) { - value = value * 16 + ch - 65 + 10; - } - else if (ch >= 97 && ch <= 102) { - value = value * 16 + ch - 97 + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; - } - return value; - } - function scanString() { - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; - } - return result; - } - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 11 : 14; - break; - } - var currChar = text.charCodeAt(pos); - if (currChar === 96) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 11 : 14; - break; - } - if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 12 : 13; - break; - } - if (currChar === 92) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - if (currChar === 13) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; - } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48: - return "\0"; - case 98: - return "\b"; - case 116: - return "\t"; - case 110: - return "\n"; - case 118: - return "\v"; - case 102: - return "\f"; - case 114: - return "\r"; - case 39: - return "\'"; - case 34: - return "\""; - case 117: - if (pos < end && text.charCodeAt(pos) === 123) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - return scanHexadecimalEscape(4); - case 120: - return scanHexadecimalEscape(2); - case 13: - if (pos < end && text.charCodeAt(pos) === 10) { - pos++; - } - case 10: - case 8232: - case 8233: - return ""; - default: - return String.fromCharCode(ch); - } - } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; - } - } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125) { - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); - } - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); - } - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; - } - return -1; - } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - pos += 6; - start = pos; - } - else { - break; - } - } - result += text.substring(start, pos); - return result; - } - function getIdentifierToken() { - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 69; - } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); - var value = 0; - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - if (numberOfDigits === 0) { - return -1; - } - return value; - } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var ch = text.charCodeAt(pos); - if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6; - } - } - switch (ch) { - case 10: - case 13: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { - pos += 2; - } - else { - pos++; - } - return token = 4; - } - case 9: - case 11: - case 12: - case 32: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { - pos++; - } - return token = 5; - } - case 33: - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 33; - } - return pos += 2, token = 31; - } - pos++; - return token = 49; - case 34: - case 39: - tokenValue = scanString(); - return token = 9; - case 96: - return token = scanTemplateAndSetTokenValue(); - case 37: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 62; - } - pos++; - return token = 40; - case 38: - if (text.charCodeAt(pos + 1) === 38) { - return pos += 2, token = 51; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 66; - } - pos++; - return token = 46; - case 40: - pos++; - return token = 17; - case 41: - pos++; - return token = 18; - case 42: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 59; - } - if (text.charCodeAt(pos + 1) === 42) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 60; - } - return pos += 2, token = 38; - } - pos++; - return token = 37; - case 43: - if (text.charCodeAt(pos + 1) === 43) { - return pos += 2, token = 41; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 57; - } - pos++; - return token = 35; - case 44: - pos++; - return token = 24; - case 45: - if (text.charCodeAt(pos + 1) === 45) { - return pos += 2, token = 42; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 58; - } - pos++; - return token = 36; - case 46: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8; - } - if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { - return pos += 3, token = 22; - } - pos++; - return token = 21; - case 47: - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2; - } - } - if (text.charCodeAt(pos + 1) === 42) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3; - } - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 61; - } - pos++; - return token = 39; - case 48: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { - pos += 2; - var value = scanBinaryOrOctalDigits(2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { - pos += 2; - var value = scanBinaryOrOctalDigits(8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8; - } - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8; - } - case 49: - case 50: - case 51: - case 52: - case 53: - case 54: - case 55: - case 56: - case 57: - tokenValue = scanNumber(); - return token = 8; - case 58: - pos++; - return token = 54; - case 59: - pos++; - return token = 23; - case 60: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 60) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 63; - } - return pos += 2, token = 43; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 28; - } - if (languageVariant === 1 && - text.charCodeAt(pos + 1) === 47 && - text.charCodeAt(pos + 2) !== 42) { - return pos += 2, token = 26; - } - pos++; - return token = 25; - case 61: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - if (text.charCodeAt(pos + 1) === 61) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 32; - } - return pos += 2, token = 30; - } - if (text.charCodeAt(pos + 1) === 62) { - return pos += 2, token = 34; - } - pos++; - return token = 56; - case 62: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7; - } - } - pos++; - return token = 27; - case 63: - pos++; - return token = 53; - case 91: - pos++; - return token = 19; - case 93: - pos++; - return token = 20; - case 94: - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 68; - } - pos++; - return token = 48; - case 123: - pos++; - return token = 15; - case 124: - if (text.charCodeAt(pos + 1) === 124) { - return pos += 2, token = 52; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 67; - } - pos++; - return token = 47; - case 125: - pos++; - return token = 16; - case 126: - pos++; - return token = 50; - case 64: - pos++; - return token = 55; - case 92: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpace(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0; - } - } - } - function reScanGreaterToken() { - if (token === 27) { - if (text.charCodeAt(pos) === 62) { - if (text.charCodeAt(pos + 1) === 62) { - if (text.charCodeAt(pos + 2) === 61) { - return pos += 3, token = 65; - } - return pos += 2, token = 45; - } - if (text.charCodeAt(pos + 1) === 61) { - return pos += 2, token = 64; - } - pos++; - return token = 44; - } - if (text.charCodeAt(pos) === 61) { - pos++; - return token = 29; - } - } - return token; - } - function reScanSlashToken() { - if (token === 39 || token === 61) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - inEscape = false; - } - else if (ch === 47 && !inCharacterClass) { - p++; - break; - } - else if (ch === 91) { - inCharacterClass = true; - } - else if (ch === 92) { - inEscape = true; - } - else if (ch === 93) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; - } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 10; - } - return token; - } - function reScanTemplateToken() { - ts.Debug.assert(token === 16, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); - } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); - } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1; - } - var char = text.charCodeAt(pos); - if (char === 60) { - if (text.charCodeAt(pos + 1) === 47) { - pos += 2; - return token = 26; - } - pos++; - return token = 25; - } - if (char === 123) { - pos++; - return token = 15; - } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123) || (char === 60)) { - break; - } - } - return token = 239; - } - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } - } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); - } - return token; - } - function scanJSDocToken() { - if (pos >= end) { - return token = 1; - } - startPos = pos; - var ch = text.charCodeAt(pos); - while (pos < end) { - ch = text.charCodeAt(pos); - if (isWhiteSpace(ch)) { - pos++; - } - else { - break; - } - } - tokenPos = pos; - switch (ch) { - case 64: - return pos += 1, token = 55; - case 10: - case 13: - return pos += 1, token = 4; - case 42: - return pos += 1, token = 37; - case 123: - return pos += 1, token = 15; - case 125: - return pos += 1, token = 16; - case 91: - return pos += 1, token = 19; - case 93: - return pos += 1, token = 20; - case 61: - return pos += 1, token = 56; - case 44: - return pos += 1, token = 24; - } - if (isIdentifierStart(ch, 2)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 2) && pos < end) { - pos++; - } - return token = 69; - } - else { - return pos += 1, token = 0; - } - } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; - } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, true); - } - function tryScan(callback) { - return speculationHelper(callback, false); - } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); - } - function setOnError(errorCallback) { - onError = errorCallback; - } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; - } - function setLanguageVariant(variant) { - languageVariant = variant; - } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; - } - } - ts.createScanner = createScanner; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.optionDeclarations = [ - { - name: "charset", - type: "string" - }, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file - }, - { - name: "diagnostics", - type: "boolean" - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file - }, - { - name: "inlineSourceMap", - type: "boolean" - }, - { - name: "inlineSources", - type: "boolean" - }, - { - name: "jsx", - type: { - "preserve": 1, - "react": 2 - }, - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean" - }, - { - name: "locale", - type: "string" - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "module", - shortName: "m", - type: { - "none": 0, - "commonjs": 1, - "amd": 2, - "system": 4, - "umd": 3, - "es6": 5, - "es2015": 5 - }, - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none - }, - { - name: "newLine", - type: { - "crlf": 0, - "lf": 1 - }, - description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type - }, - { - name: "noLib", - type: "boolean" - }, - { - name: "noResolve", - type: "boolean" - }, - { - name: "skipDefaultLibCheck", - type: "boolean" - }, - { - name: "out", - type: "string", - isFilePath: false, - paramType: ts.Diagnostics.FILE - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "isolatedModules", - type: "boolean" - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: { - "es3": 0, - "es5": 1, - "es6": 2, - "es2015": 2 - }, - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, - paramType: ts.Diagnostics.VERSION, - error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: { - "node": 2, - "classic": 1 - }, - description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "noCustomAsyncPromise", - type: "boolean", - experimental: true - } - ]; - var optionNameMapCache; - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; - } - var optionNameMap = {}; - var shortOptionNames = {}; - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; - } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45) { - s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); - if (ts.hasProperty(shortOptionNames, s)) { - s = shortOptionNames[s]; - } - if (ts.hasProperty(optionNameMap, s)) { - var opt = optionNameMap[s]; - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - default: - var map_1 = opt.type; - var key = (args[i] || "").toLowerCase(); - i++; - if (ts.hasProperty(map_1, key)) { - options[opt.name] = map_1[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - } - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); - } - } - else { - while (text.charCodeAt(pos) > 32) - pos++; - args.push(text.substring(start, pos)); - } - } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - function parseConfigFileTextToJson(fileName, jsonText) { - try { - var jsonTextWithoutComments = removeComments(jsonText); - return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; - } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1, false, 0, jsonText); - var token; - while ((token = scanner.scan()) !== 1) { - switch (token) { - case 2: - case 3: - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } - } - return output; - } - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { - if (existingOptions === void 0) { existingOptions = {}; } - var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; - var options = ts.extend(existingOptions, optionsFromJsonConfigFile); - return { - options: options, - fileNames: getFileNames(), - errors: errors - }; - function getFileNames() { - var fileNames = []; - if (ts.hasProperty(json, "files")) { - if (json["files"] instanceof Array) { - fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - else { - var filesSeen = {}; - var exclude = []; - if (json["exclude"] instanceof Array) { - exclude = json["exclude"]; - } - else { - exclude = ["node_modules"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - exclude.push(outDir); - } - } - exclude = ts.map(exclude, ts.normalizeSlashes); - var supportedExtensions = ts.getSupportedExtensions(options); - ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); - for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { - var extension = supportedExtensions_1[_i]; - var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); - for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { - var fileName = filesInDirWithExtension_1[_a]; - if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { - continue; - } - if (/\.min\.js$/.test(fileName)) { - continue; - } - if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { - var baseName = fileName.substr(0, fileName.length - extension.length); - if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { - continue; - } - } - filesSeen[fileName] = true; - fileNames.push(fileName); - } - } - } - return fileNames; - } - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var options = {}; - var errors = []; - if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { - options.allowJs = true; - } - if (!jsonOptions) { - return { options: options, errors: errors }; - } - var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (ts.hasProperty(optionNameMap, id)) { - var opt = optionNameMap[id]; - var optType = opt.type; - var value = jsonOptions[id]; - var expectedType = typeof optType === "string" ? optType : "string"; - if (typeof value === expectedType) { - if (typeof optType !== "string") { - var key = value.toLowerCase(); - if (ts.hasProperty(optType, key)) { - value = optType[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - value = 0; - } - } - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } - options[opt.name] = value; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); - } - } - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; - } - } - } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = {}; - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - function containsParseError(node) { - aggregateChildData(node); - return (node.parserContextFlags & 64) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.parserContextFlags & 128)) { - var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16) !== 0) || - ts.forEachChild(node, containsParseError); - if (thisNodeOrAnySubNodesHasError) { - node.parserContextFlags |= 64; - } - node.parserContextFlags |= 128; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 251) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 195: - case 223: - case 202: - case 203: - case 204: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - function nodeIsMissing(node) { - if (!node) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node)) { - return node.pos; - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; - } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (getCombinedNodeFlags(declaration) & 24576) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 221 && - (node.name.kind === 9 || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isBlockScopedContainerTopLevel(node) { - return node.kind === 251 || - node.kind === 221 || - isFunctionLike(node) || - isFunctionBlock(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 2097152); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - if (!node || !isAmbientModule(node)) { - return false; - } - switch (node.parent.kind) { - case 251: - return isExternalModule(node.parent); - case 222: - return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); - } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isFunctionLike(current)) { - return current; - } - switch (current.kind) { - case 251: - case 223: - case 247: - case 221: - case 202: - case 203: - case 204: - return current; - case 195: - if (!isFunctionLike(current.parent)) { - return current; - } - } - current = current.parent; - } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 214 && - declaration.parent && - declaration.parent.kind === 247; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 251: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); - if (pos_1 === sourceFile.text.length) { - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - case 214: - case 166: - case 217: - case 189: - case 218: - case 221: - case 220: - case 250: - case 216: - case 176: - case 144: - case 219: - errorNode = node.name; - break; - } - if (errorNode === undefined) { - return getSpanOfTokenAtPosition(sourceFile, node.pos); - } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; - } - ts.isExternalModule = isExternalModule; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return (file.flags & 4096) !== 0; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 220 && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 166 || isBindingPattern(node))) { - node = node.parent; - } - return node; - } - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 214) { - node = node.parent; - } - if (node && node.kind === 215) { - flags |= node.flags; - node = node.parent; - } - if (node && node.kind === 196) { - flags |= node.flags; - } - return flags; - } - ts.getCombinedNodeFlags = getCombinedNodeFlags; - function isConst(node) { - return !!(getCombinedNodeFlags(node) & 16384); - } - ts.isConst = isConst; - function isLet(node) { - return !!(getCombinedNodeFlags(node) & 8192); - } - ts.isLet = isLet; - function isSuperCallExpression(n) { - return n.kind === 171 && n.expression.kind === 95; - } - ts.isSuperCallExpression = isSuperCallExpression; - function isPrologueDirective(node) { - return node.kind === 198 && node.expression.kind === 9; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 139 || node.kind === 138) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 42 && - text.charCodeAt(comment.pos + 3) !== 47; - } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isTypeNode(node) { - if (151 <= node.kind && node.kind <= 163) { - return true; - } - switch (node.kind) { - case 117: - case 128: - case 130: - case 120: - case 131: - return true; - case 103: - return node.parent.kind !== 180; - case 191: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - case 69: - if (node.parent.kind === 136 && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 169 && node.parent.name === node) { - node = node.parent; - } - ts.Debug.assert(node.kind === 69 || node.kind === 136 || node.kind === 169, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); - case 136: - case 169: - case 97: - var parent_1 = node.parent; - if (parent_1.kind === 155) { - return false; - } - if (151 <= parent_1.kind && parent_1.kind <= 163) { - return true; - } - switch (parent_1.kind) { - case 191: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); - case 138: - return node === parent_1.constraint; - case 142: - case 141: - case 139: - case 214: - return node === parent_1.type; - case 216: - case 176: - case 177: - case 145: - case 144: - case 143: - case 146: - case 147: - return node === parent_1.type; - case 148: - case 149: - case 150: - return node === parent_1.type; - case 174: - return node === parent_1.type; - case 171: - case 172: - return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; - case 173: - return false; - } - } - return false; - } - ts.isTypeNode = isTypeNode; - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 207: - return visitor(node); - case 223: - case 195: - case 199: - case 200: - case 201: - case 202: - case 203: - case 204: - case 208: - case 209: - case 244: - case 245: - case 210: - case 212: - case 247: - return ts.forEachChild(node, traverse); - } - } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 187: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 220: - case 218: - case 221: - case 219: - case 217: - case 189: - return; - default: - if (isFunctionLike(node)) { - var name_5 = node.name; - if (name_5 && name_5.kind === 137) { - traverse(name_5.expression); - return; - } - } - else if (!isTypeNode(node)) { - ts.forEachChild(node, traverse); - } - } - } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 166: - case 250: - case 139: - case 248: - case 142: - case 141: - case 249: - case 214: - return true; - } - } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 146 || node.kind === 147); - } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 217 || node.kind === 189); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 145: - case 176: - case 216: - case 177: - case 144: - case 143: - case 146: - case 147: - case 148: - case 149: - case 150: - case 153: - case 154: - return true; - } - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 176: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 202: - case 203: - case 204: - case 200: - case 201: - return true; - case 210: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 195 && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 144 && node.parent.kind === 168; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 137: - if (isClassLike(node.parent.parent)) { - return node; - } - node = node.parent; - break; - case 140: - if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - case 177: - if (!includeArrowFunctions) { - continue; - } - case 216: - case 176: - case 221: - case 142: - case 141: - case 144: - case 143: - case 145: - case 146: - case 147: - case 148: - case 149: - case 150: - case 220: - case 251: - return node; - } - } - } - ts.getThisContainer = getThisContainer; - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 137: - node = node.parent; - break; - case 216: - case 176: - case 177: - if (!stopOnFunctions) { - continue; - } - case 142: - case 141: - case 144: - case 143: - case 145: - case 146: - case 147: - return node; - case 140: - if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - node = node.parent; - } - break; - } - } - } - ts.getSuperContainer = getSuperContainer; - function isSuperPropertyOrElementAccess(node) { - return (node.kind === 169 - || node.kind === 170) - && node.expression.kind === 95; - } - ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 152: - return node.typeName; - case 191: - return node.expression; - case 69: - case 136: - return node; - } - } - return undefined; - } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function getInvokedExpression(node) { - if (node.kind === 173) { - return node.tag; - } - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 217: - return true; - case 142: - return node.parent.kind === 217; - case 146: - case 147: - case 144: - return node.body !== undefined - && node.parent.kind === 217; - case 139: - return node.parent.body !== undefined - && (node.parent.kind === 145 - || node.parent.kind === 144 - || node.parent.kind === 147) - && node.parent.parent.kind === 217; - } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); - } - ts.nodeIsDecorated = nodeIsDecorated; - function isPropertyAccessExpression(node) { - return node.kind === 169; - } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 170; - } - ts.isElementAccessExpression = isElementAccessExpression; - function isExpression(node) { - switch (node.kind) { - case 95: - case 93: - case 99: - case 84: - case 10: - case 167: - case 168: - case 169: - case 170: - case 171: - case 172: - case 173: - case 192: - case 174: - case 175: - case 176: - case 189: - case 177: - case 180: - case 178: - case 179: - case 182: - case 183: - case 184: - case 185: - case 188: - case 186: - case 11: - case 190: - case 236: - case 237: - case 187: - case 181: - return true; - case 136: - while (node.parent.kind === 136) { - node = node.parent; - } - return node.parent.kind === 155; - case 69: - if (node.parent.kind === 155) { - return true; - } - case 8: - case 9: - case 97: - var parent_2 = node.parent; - switch (parent_2.kind) { - case 214: - case 139: - case 142: - case 141: - case 250: - case 248: - case 166: - return parent_2.initializer === node; - case 198: - case 199: - case 200: - case 201: - case 207: - case 208: - case 209: - case 244: - case 211: - case 209: - return parent_2.expression === node; - case 202: - var forStatement = parent_2; - return (forStatement.initializer === node && forStatement.initializer.kind !== 215) || - forStatement.condition === node || - forStatement.incrementor === node; - case 203: - case 204: - var forInStatement = parent_2; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215) || - forInStatement.expression === node; - case 174: - case 192: - return node === parent_2.expression; - case 193: - return node === parent_2.expression; - case 137: - return node === parent_2.expression; - case 140: - case 243: - case 242: - return true; - case 191: - return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - default: - if (isExpression(parent_2)) { - return true; - } - } - } - return false; - } - ts.isExpression = isExpression; - function isExternalModuleNameRelative(moduleName) { - return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; - } - ts.isExternalModuleNameRelative = isExternalModuleNameRelative; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 || - (preserveConstEnums && moduleState === 2); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 && node.moduleReference.kind === 235; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 && node.moduleReference.kind !== 235; - } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); - } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.parserContextFlags & 32); - } - ts.isInJavaScriptFile = isInJavaScriptFile; - function isRequireCall(expression, checkArgumentIsStringLiteral) { - var isRequire = expression.kind === 171 && - expression.expression.kind === 69 && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); - } - ts.isRequireCall = isRequireCall; - function getSpecialPropertyAssignmentKind(expression) { - if (expression.kind !== 184) { - return 0; - } - var expr = expression; - if (expr.operatorToken.kind !== 56 || expr.left.kind !== 169) { - return 0; - } - var lhs = expr.left; - if (lhs.expression.kind === 69) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - return 1; - } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - return 2; - } - } - else if (lhs.expression.kind === 97) { - return 4; - } - else if (lhs.expression.kind === 169) { - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 69 && innerPropertyAccess.name.text === "prototype") { - return 3; - } - } - return 0; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 225) { - return node.moduleSpecifier; - } - if (node.kind === 224) { - var reference = node.moduleReference; - if (reference.kind === 235) { - return reference.expression; - } - } - if (node.kind === 231) { - return node.moduleSpecifier; - } - if (node.kind === 221 && node.name.kind === 9) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 139: - case 144: - case 143: - case 249: - case 248: - case 142: - case 141: - return node.questionToken !== undefined; - } - } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 264 && - node.parameters.length > 0 && - node.parameters[0].type.kind === 266; - } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocComment = getJSDocComment(node, checkParentVariableStatement); - if (!jsDocComment) { - return undefined; - } - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === kind) { - return tag; - } - } - } - function getJSDocComment(node, checkParentVariableStatement) { - if (node.jsDocComment) { - return node.jsDocComment; - } - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 && - node.parent.initializer === node && - node.parent.parent.parent.kind === 196; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; - if (variableStatementNode) { - return variableStatementNode.jsDocComment; - } - var parent_3 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && - parent_3.kind === 184 && - parent_3.operatorToken.kind === 56 && - parent_3.parent.kind === 198; - if (isSourceOfAssignmentExpressionStatement) { - return parent_3.parent.jsDocComment; - } - var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248; - if (isPropertyAssignmentExpression) { - return parent_3.jsDocComment; - } - } - return undefined; - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 272, false); - } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 271, true); - } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 273, false); - } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 69) { - var parameterName = parameter.name.text; - var jsDocComment = getJSDocComment(parameter.parent, true); - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === 270) { - var parameterTag = tag; - var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; - if (name_6.text === parameterName) { - return parameterTag; - } - } - } - } - } - return undefined; - } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); - } - ts.hasRestParameter = hasRestParameter; - function isRestParameter(node) { - if (node) { - if (node.parserContextFlags & 32) { - if (node.type && node.type.kind === 265) { - return true; - } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 265; - } - } - return node.dotDotDotToken !== undefined; - } - return false; - } - ts.isRestParameter = isRestParameter; - function isLiteralKind(kind) { - return 8 <= kind && kind <= 11; - } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 || kind === 11; - } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isTemplateLiteralKind(kind) { - return 11 <= kind && kind <= 14; - } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isBindingPattern(node) { - return !!node && (node.kind === 165 || node.kind === 164); - } - ts.isBindingPattern = isBindingPattern; - function isNodeDescendentOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; - } - return false; - } - ts.isNodeDescendentOf = isNodeDescendentOf; - function isInAmbientContext(node) { - while (node) { - if (node.flags & (4 | 4096)) { - return true; - } - node = node.parent; - } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclaration(node) { - switch (node.kind) { - case 177: - case 166: - case 217: - case 189: - case 145: - case 220: - case 250: - case 233: - case 216: - case 176: - case 146: - case 226: - case 224: - case 229: - case 218: - case 144: - case 143: - case 221: - case 227: - case 139: - case 248: - case 142: - case 141: - case 147: - case 249: - case 219: - case 138: - case 214: - return true; - } - return false; - } - ts.isDeclaration = isDeclaration; - function isStatement(n) { - switch (n.kind) { - case 206: - case 205: - case 213: - case 200: - case 198: - case 197: - case 203: - case 204: - case 202: - case 199: - case 210: - case 207: - case 209: - case 211: - case 212: - case 196: - case 201: - case 208: - case 230: - return true; - default: - return false; - } - } - ts.isStatement = isStatement; - function isClassElement(n) { - switch (n.kind) { - case 145: - case 142: - case 144: - case 146: - case 147: - case 143: - case 150: - return true; - default: - return false; - } - } - ts.isClassElement = isClassElement; - function isDeclarationName(name) { - if (name.kind !== 69 && name.kind !== 9 && name.kind !== 8) { - return false; - } - var parent = name.parent; - if (parent.kind === 229 || parent.kind === 233) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 142: - case 141: - case 144: - case 143: - case 146: - case 147: - case 250: - case 248: - case 169: - return parent.name === node; - case 136: - if (parent.right === node) { - while (parent.kind === 136) { - parent = parent.parent; - } - return parent.kind === 155; - } - return false; - case 166: - case 229: - return parent.propertyName === node; - case 233: - return true; - } - return false; - } - ts.isIdentifierName = isIdentifierName; - function isAliasSymbolDeclaration(node) { - return node.kind === 224 || - node.kind === 226 && !!node.name || - node.kind === 227 || - node.kind === 229 || - node.kind === 233 || - node.kind === 230 && node.expression.kind === 69; - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; - } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 106); - return heritageClause ? heritageClause.types : undefined; - } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83); - return heritageClause ? heritageClause.types : undefined; - } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } - } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); - } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; - } - node = node.parent; - } - return undefined; - } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; - } - else { - var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - if (matchResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: matchResult[3] - }, - isNoDefaultLib: false - }; - } - else { - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; - } - } - } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 70 <= token && token <= 135; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 <= token && token <= 7; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && (node.flags & 256) !== 0 && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 || kind === 8; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 137 && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); - } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 69 || name.kind === 9 || name.kind === 8) { - return name.text; - } - if (name.kind === 137) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); - } - } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - function isESSymbolIdentifier(node) { - return node.kind === 69 && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isModifierKind(token) { - switch (token) { - case 115: - case 118: - case 74: - case 122: - case 77: - case 82: - case 112: - case 110: - case 111: - case 113: - return true; - } - return false; - } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 139; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 166) { - node = node.parent.parent; - } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(n) { - return isFunctionLike(n) || n.kind === 221 || n.kind === 251; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - function cloneNode(node, location, flags, parent) { - var clone = location !== undefined - ? ts.createNode(node.kind, location.pos, location.end) - : createSynthesizedNode(node.kind); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - if (flags !== undefined) { - clone.flags = flags; - } - if (parent !== undefined) { - clone.parent = parent; - } - return clone; - } - ts.cloneNode = cloneNode; - function cloneEntityName(node, parent) { - var clone = cloneNode(node, node, node.flags, parent); - if (isQualifiedName(clone)) { - var left = clone.left, right = clone.right; - clone.left = cloneEntityName(left, clone); - clone.right = cloneNode(right, right, right.flags, parent); - } - return clone; - } - ts.cloneEntityName = cloneEntityName; - function isQualifiedName(node) { - return node.kind === 136; - } - ts.isQualifiedName = isQualifiedName; - function nodeIsSynthesized(node) { - return node.pos === -1; - } - ts.nodeIsSynthesized = nodeIsSynthesized; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = ts.createNode(kind, -1, -1); - node.startsOnNewLine = startsOnNewLine; - return node; - } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray() { - var array = []; - array.pos = -1; - array.end = -1; - return array; - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = {}; - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; - } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; - } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; - } - } - else { - diagnostics = nonFileDiagnostics; - } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; - } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); - } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); - } - } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); - } - } - } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = { - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" - }; - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; - } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; - } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; - } - } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); - } - } - } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; - } - } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getEmitScriptTarget(compilerOptions) { - return compilerOptions.target || 0; - } - ts.getEmitScriptTarget = getEmitScriptTarget; - function getEmitModuleKind(compilerOptions) { - return typeof compilerOptions.module === "number" ? - compilerOptions.module : - getEmitScriptTarget(compilerOptions) === 2 ? 5 : 1; - } - ts.getEmitModuleKind = getEmitModuleKind; - function forEachExpectedEmitFile(host, action, targetSourceFile) { - var options = host.getCompilerOptions(); - if (options.outFile || options.out) { - onBundledEmit(host); - } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - if (!isDeclarationFile(sourceFile)) { - onSingleFileEmit(host, sourceFile); - } - } - } - function onSingleFileEmit(host, sourceFile) { - var extension = ".js"; - if (options.jsx === 1) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1) { - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined - }; - action(emitFileNames, [sourceFile], false); - } - function onBundledEmit(host) { - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - (!isExternalModule(sourceFile) || - (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) - }; - action(emitFileNames, bundledSources, true); - } - } - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function getDeclarationEmitFilePath(jsFilePath, options) { - return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); - return ts.combinePaths(newDirPath, sourceFilePath); - } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }); - } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; - } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; - } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 145 && nodeIsPresent(member.body)) { - return member; - } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 146) { - getAccessor = accessor; - } - else if (accessor.kind === 147) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } - } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 146 || member.kind === 147) - && (member.flags & 64) === (accessor.flags & 64)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 146 && !getAccessor) { - getAccessor = member; - } - if (member.kind === 147 && !setAccessor) { - setAccessor = member; - } - } - } - }); - } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; - } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); - } - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { - var emitLeadingSpace = !trailingSeparator; - ts.forEach(comments, function (comment) { - if (emitLeadingSpace) { - writer.write(" "); - emitLeadingSpace = false; - } - writeComment(text, lineMap, writer, comment, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); - } - else if (trailingSeparator) { - writer.write(" "); - } - else { - emitLeadingSpace = true; - } - }); - } - ts.emitComments = emitComments; - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); - } - } - else { - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - break; - } - } - detachedComments.push(comment); - lastComment = comment; - } - if (detachedComments.length) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } - } - } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 && - text.charCodeAt(comment.pos + 2) === 33; - } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, comment, newLine) { - if (text.charCodeAt(comment.pos + 1) === 42) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== comment.pos) { - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); - } - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - writer.rawWrite(indentSizeSpaceString); - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - writer.rawWrite(""); - } - } - writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); - pos = nextLineStart; - } - } - else { - writer.write(text.substring(comment.pos, comment.end)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { - var end = Math.min(comment.end, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - writer.write(currentLineText); - if (end !== comment.end) { - writer.writeLine(); - } - } - else { - writer.writeLiteral(newLine); - } - } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9) { - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); - } - else { - currentLineIndent++; - } - } - return currentLineIndent; - } - function modifierToFlag(token) { - switch (token) { - case 113: return 64; - case 112: return 8; - case 111: return 32; - case 110: return 16; - case 115: return 128; - case 82: return 2; - case 122: return 4; - case 74: return 16384; - case 77: return 512; - case 118: return 256; - } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLeftHandSideExpression(expr) { - if (expr) { - switch (expr.kind) { - case 169: - case 170: - case 172: - case 171: - case 236: - case 237: - case 173: - case 167: - case 175: - case 168: - case 189: - case 176: - case 69: - case 10: - case 8: - case 9: - case 11: - case 186: - case 84: - case 93: - case 97: - case 99: - case 95: - return true; - } - } - return false; - } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isAssignmentOperator(token) { - return token >= 56 && token <= 68; - } - ts.isAssignmentOperator = isAssignmentOperator; - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return node.kind === 191 && - node.parent.token === 83 && - isClassLike(node.parent.parent); - } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 69) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - else { - return false; - } - } - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 136 && node.parent.right === node) || - (node.parent.kind === 169 && node.parent.name === node); - } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 168) { - return expression.properties.length === 0; - } - if (kind === 167) { - return expression.elements.length === 0; - } - return false; - } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function hasJavaScriptFileExtension(fileName) { - return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); - } - ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - if (charCode < 0x80) { - output.push(charCode); - } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else { - ts.Debug.assert(false, "Unexpected code point"); - } - } - return output; - } - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - function stringifyFallback(value) { - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; - } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; - } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); - } - function stringifyObject(value) { - return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; - } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); - } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - if (i + 1 >= length) { - byte3 = byte4 = 64; - } - else if (i + 2 >= length) { - byte4 = 64; - } - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; - } - return result; - } - ts.convertToBase64 = convertToBase64; - function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { - return !ts.isRootedDiskPath(absoluteOrRelativePath) - ? absoluteOrRelativePath - : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, false); - } - ts.convertToRelativePath = convertToRelativePath; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0) { - return carriageReturnLineFeed; - } - else if (options.newLine === 1) { - return lineFeed; - } - else if (ts.sys) { - return ts.sys.newLine; - } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDefaultLibFileName(options) { - return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts"; - } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); - } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; - } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; - } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; - } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; - } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); - } - return undefined; - } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); - } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); - } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; - } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); - } - return { span: span, newLength: newLength }; - } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; - } - if (changes.length === 1) { - return changes[0]; - } - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); - } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 138) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218) { - return current; - } - } - } - } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return node.flags & 56 && node.parent.kind === 145 && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.parseTime = 0; - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 251) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); - } - } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); - } - } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); - } - } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } - } - } - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; - } - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 136: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 138: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 249: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 139: - case 142: - case 141: - case 248: - case 214: - case 166: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 153: - case 154: - case 148: - case 149: - case 150: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 144: - case 143: - case 145: - case 146: - case 147: - case 176: - case 216: - case 177: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 152: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 151: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 155: - return visitNode(cbNode, node.exprName); - case 156: - return visitNodes(cbNodes, node.members); - case 157: - return visitNode(cbNode, node.elementType); - case 158: - return visitNodes(cbNodes, node.elementTypes); - case 159: - case 160: - return visitNodes(cbNodes, node.types); - case 161: - return visitNode(cbNode, node.type); - case 164: - case 165: - return visitNodes(cbNodes, node.elements); - case 167: - return visitNodes(cbNodes, node.elements); - case 168: - return visitNodes(cbNodes, node.properties); - case 169: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.dotToken) || - visitNode(cbNode, node.name); - case 170: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 171: - case 172: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 173: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 174: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 175: - return visitNode(cbNode, node.expression); - case 178: - return visitNode(cbNode, node.expression); - case 179: - return visitNode(cbNode, node.expression); - case 180: - return visitNode(cbNode, node.expression); - case 182: - return visitNode(cbNode, node.operand); - case 187: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 181: - return visitNode(cbNode, node.expression); - case 183: - return visitNode(cbNode, node.operand); - case 184: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 192: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 185: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 188: - return visitNode(cbNode, node.expression); - case 195: - case 222: - return visitNodes(cbNodes, node.statements); - case 251: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 196: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 215: - return visitNodes(cbNodes, node.declarations); - case 198: - return visitNode(cbNode, node.expression); - case 199: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 200: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 201: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 202: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 203: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 204: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 205: - case 206: - return visitNode(cbNode, node.label); - case 207: - return visitNode(cbNode, node.expression); - case 208: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 223: - return visitNodes(cbNodes, node.clauses); - case 244: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 245: - return visitNodes(cbNodes, node.statements); - case 210: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 211: - return visitNode(cbNode, node.expression); - case 212: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 247: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 140: - return visitNode(cbNode, node.expression); - case 217: - case 189: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 218: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 219: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 220: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 250: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 221: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 224: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 225: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 226: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 227: - return visitNode(cbNode, node.name); - case 228: - case 232: - return visitNodes(cbNodes, node.elements); - case 231: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 229: - case 233: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 230: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 186: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 193: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 137: - return visitNode(cbNode, node.expression); - case 246: - return visitNodes(cbNodes, node.types); - case 191: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 235: - return visitNode(cbNode, node.expression); - case 234: - return visitNodes(cbNodes, node.decorators); - case 236: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 237: - case 238: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 241: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 242: - return visitNode(cbNode, node.expression); - case 243: - return visitNode(cbNode, node.expression); - case 240: - return visitNode(cbNode, node.tagName); - case 252: - return visitNode(cbNode, node.type); - case 256: - return visitNodes(cbNodes, node.types); - case 257: - return visitNodes(cbNodes, node.types); - case 255: - return visitNode(cbNode, node.elementType); - case 259: - return visitNode(cbNode, node.type); - case 258: - return visitNode(cbNode, node.type); - case 260: - return visitNodes(cbNodes, node.members); - case 262: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 263: - return visitNode(cbNode, node.type); - case 264: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 265: - return visitNode(cbNode, node.type); - case 266: - return visitNode(cbNode, node.type); - case 267: - return visitNode(cbNode, node.type); - case 261: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 268: - return visitNodes(cbNodes, node.tags); - case 270: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 271: - return visitNode(cbNode, node.typeExpression); - case 272: - return visitNode(cbNode, node.typeExpression); - case 273: - return visitNodes(cbNodes, node.typeParameters); - } - } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { - if (setParentNodes === void 0) { setParentNodes = false; } - var start = new Date().getTime(); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes); - ts.parseTime += new Date().getTime() - start; - return result; - } - ts.createSourceFile = createSourceFile; - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - } - ts.updateSourceFile = updateSourceFile; - function parseIsolatedJSDocComment(content, start, length) { - return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); - } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - var Parser; - (function (Parser) { - var scanner = ts.createScanner(2, true); - var disallowInAndDecoratorContext = 1 | 4; - var NodeConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var token; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - var contextFlags; - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { - var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; - initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); - clearState(); - return result; - } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(fileName) { - return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 : 0; - } - function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = {}; - identifierCount = 0; - nodeCount = 0; - contextFlags = isJavaScriptFile ? 32 : 0; - parseErrorBeforeNextFinishedNode = false; - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(fileName)); - } - function clearState() { - scanner.setText(""); - scanner.setOnError(undefined); - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { - sourceFile = createSourceFile(fileName, languageVersion); - if (contextFlags & 32) { - sourceFile.parserContextFlags = 32; - } - token = nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0, parseStatement); - ts.Debug.assert(token === 1); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - if (contextFlags & 32) { - var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); - if (comments) { - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (jsDocComment) { - node.jsDocComment = jsDocComment; - } - } - } - } - return node; - } - function fixupParentReferences(sourceFile) { - var parent = sourceFile; - forEachChild(sourceFile, visitNode); - return; - function visitNode(n) { - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - parent = saveParent; - } - } - } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion) { - var sourceFile = new SourceFileConstructor(251, 0, sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 : 0; - sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); - return sourceFile; - } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } - } - function setDisallowInContext(val) { - setContextFlag(val, 1); - } - function setYieldContext(val) { - setContextFlag(val, 2); - } - function setDecoratorContext(val) { - setContextFlag(val, 4); - } - function setAwaitContext(val) { - setContextFlag(val, 8); - } - function doOutsideOfContext(context, func) { - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - setContextFlag(false, contextFlagsToClear); - var result = func(); - setContextFlag(true, contextFlagsToClear); - return result; - } - return func(); - } - function doInsideOfContext(context, func) { - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - setContextFlag(true, contextFlagsToSet); - var result = func(); - setContextFlag(false, contextFlagsToSet); - return result; - } - return func(); - } - function allowInAnd(func) { - return doOutsideOfContext(1, func); - } - function disallowInAnd(func) { - return doInsideOfContext(1, func); - } - function doInYieldContext(func) { - return doInsideOfContext(2, func); - } - function doInDecoratorContext(func) { - return doInsideOfContext(4, func); - } - function doInAwaitContext(func) { - return doInsideOfContext(8, func); - } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(8, func); - } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(2 | 8, func); - } - function inContext(flags) { - return (contextFlags & flags) !== 0; - } - function inYieldContext() { - return inContext(2); - } - function inDisallowInContext() { - return inContext(1); - } - function inDecoratorContext() { - return inContext(4); - } - function inAwaitContext() { - return inContext(8); - } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); - } - function parseErrorAtPosition(start, length, message, arg0) { - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - parseErrorBeforeNextFinishedNode = true; - } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); - } - function getNodePos() { - return scanner.getStartPos(); - } - function getNodeEnd() { - return scanner.getStartPos(); - } - function nextToken() { - return token = scanner.scan(); - } - function reScanGreaterToken() { - return token = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return token = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return token = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return token = scanner.scanJsxIdentifier(); - } - function scanJsxText() { - return token = scanner.scanJsxToken(); - } - function speculationHelper(callback, isLookAhead) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var saveContextFlags = contextFlags; - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - if (!result || isLookAhead) { - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, true); - } - function tryParse(callback) { - return speculationHelper(callback, false); - } - function isIdentifier() { - if (token === 69) { - return true; - } - if (token === 114 && inYieldContext()) { - return false; - } - if (token === 119 && inAwaitContext()) { - return false; - } - return token > 105; - } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; - } - function parseOptional(t) { - if (token === t) { - nextToken(); - return true; - } - return false; - } - function parseOptionalToken(t) { - if (token === t) { - return parseTokenNode(); - } - return undefined; - } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); - } - function parseTokenNode() { - var node = createNode(token); - nextToken(); - return finishNode(node); - } - function canParseSemicolon() { - if (token === 23) { - return true; - } - return token === 16 || token === 1 || scanner.hasPrecedingLineBreak(); - } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token === 23) { - nextToken(); - } - return true; - } - else { - return parseExpected(23); - } - } - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return new NodeConstructor(kind, pos, pos); - } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.parserContextFlags = contextFlags; - } - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.parserContextFlags |= 16; - } - return node; - } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); - } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); - } - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(69); - if (token !== 69) { - node.originalKeywordKind = token; - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(69, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); - } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); - } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); - } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token) || - token === 9 || - token === 8; - } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token === 9 || token === 8) { - return parseLiteralNode(true); - } - if (allowComputedPropertyNames && token === 19) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); - } - function parsePropertyName() { - return parsePropertyNameWorker(true); - } - function parseSimplePropertyName() { - return parsePropertyNameWorker(false); - } - function isSimplePropertyName() { - return token === 9 || token === 8 || ts.tokenIsIdentifierOrKeyword(token); - } - function parseComputedPropertyName() { - var node = createNode(137); - parseExpected(19); - node.expression = allowInAnd(parseExpression); - parseExpected(20); - return finishNode(node); - } - function parseContextualModifier(t) { - return token === t && tryParse(nextTokenCanFollowModifier); - } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); - } - function nextTokenCanFollowModifier() { - if (token === 74) { - return nextToken() === 81; - } - if (token === 82) { - nextToken(); - if (token === 77) { - return lookAhead(nextTokenIsClassOrFunction); - } - return token !== 37 && token !== 15 && canFollowModifier(); - } - if (token === 77) { - return nextTokenIsClassOrFunction(); - } - if (token === 113) { - nextToken(); - return canFollowModifier(); - } - return nextTokenIsOnSameLineAndCanFollowModifier(); - } - function parseAnyContextualModifier() { - return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); - } - function canFollowModifier() { - return token === 19 - || token === 15 - || token === 37 - || isLiteralPropertyName(); - } - function nextTokenIsClassOrFunction() { - nextToken(); - return token === 73 || token === 87; - } - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0: - case 1: - case 3: - return !(token === 23 && inErrorRecovery) && isStartOfStatement(); - case 2: - return token === 71 || token === 77; - case 4: - return isStartOfTypeMember(); - case 5: - return lookAhead(isClassMemberStart) || (token === 23 && !inErrorRecovery); - case 6: - return token === 19 || isLiteralPropertyName(); - case 12: - return token === 19 || token === 37 || isLiteralPropertyName(); - case 9: - return token === 19 || isLiteralPropertyName(); - case 7: - if (token === 15) { - return lookAhead(isValidHeritageClauseObjectLiteral); - } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - else { - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - case 8: - return isIdentifierOrPattern(); - case 10: - return token === 24 || token === 22 || isIdentifierOrPattern(); - case 17: - return isIdentifier(); - case 11: - case 15: - return token === 24 || token === 22 || isStartOfExpression(); - case 16: - return isStartOfParameter(); - case 18: - case 19: - return token === 24 || isStartOfType(); - case 20: - return isHeritageClause(); - case 21: - return ts.tokenIsIdentifierOrKeyword(token); - case 13: - return ts.tokenIsIdentifierOrKeyword(token) || token === 15; - case 14: - return true; - case 22: - case 23: - case 25: - return JSDocParser.isJSDocType(); - case 24: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token === 15); - if (nextToken() === 16) { - var next = nextToken(); - return next === 24 || next === 15 || next === 83 || next === 106; - } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token); - } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token === 106 || - token === 83) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; - } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); - } - function isListTerminator(kind) { - if (token === 1) { - return true; - } - switch (kind) { - case 1: - case 2: - case 4: - case 5: - case 6: - case 12: - case 9: - case 21: - return token === 16; - case 3: - return token === 16 || token === 71 || token === 77; - case 7: - return token === 15 || token === 83 || token === 106; - case 8: - return isVariableDeclaratorListTerminator(); - case 17: - return token === 27 || token === 17 || token === 15 || token === 83 || token === 106; - case 11: - return token === 18 || token === 23; - case 15: - case 19: - case 10: - return token === 20; - case 16: - return token === 18 || token === 20; - case 18: - return token === 27 || token === 17; - case 20: - return token === 15 || token === 16; - case 13: - return token === 27 || token === 39; - case 14: - return token === 25 && lookAhead(nextTokenIsSlash); - case 22: - return token === 18 || token === 54 || token === 16; - case 23: - return token === 27 || token === 16; - case 25: - return token === 20 || token === 16; - case 24: - return token === 16; - } - } - function isVariableDeclaratorListTerminator() { - if (canParseSemicolon()) { - return true; - } - if (isInOrOfKeyword(token)) { - return true; - } - if (token === 34) { - return true; - } - return false; - } - function isInSomeParsingContext() { - for (var kind = 0; kind < 26; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, true) || isListTerminator(kind)) { - return true; - } - } - } - return false; - } - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - while (!isListTerminator(kind)) { - if (isListElement(kind, false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); - } - function currentNode(parsingContext) { - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - if (ts.nodeIsMissing(node)) { - return undefined; - } - if (node.intersectsChange) { - return undefined; - } - if (ts.containsParseError(node)) { - return undefined; - } - var nodeContextFlags = node.parserContextFlags & 31; - if (nodeContextFlags !== contextFlags) { - return undefined; - } - if (!canReuseNode(node, parsingContext)) { - return undefined; - } - return node; - } - function consumeNode(node) { - scanner.setTextPos(node.end); - nextToken(); - return node; - } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5: - return isReusableClassMember(node); - case 2: - return isReusableSwitchClause(node); - case 0: - case 1: - case 3: - return isReusableStatement(node); - case 6: - return isReusableEnumMember(node); - case 4: - return isReusableTypeMember(node); - case 8: - return isReusableVariableDeclaration(node); - case 16: - return isReusableParameter(node); - case 20: - case 17: - case 19: - case 18: - case 11: - case 12: - case 7: - case 13: - case 14: - } - return false; - } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 145: - case 150: - case 146: - case 147: - case 142: - case 194: - return true; - case 144: - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 69 && - methodDeclaration.name.originalKeywordKind === 121; - return !nameIsConstructor; - } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 244: - case 245: - return true; - } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 216: - case 196: - case 195: - case 199: - case 198: - case 211: - case 207: - case 209: - case 206: - case 205: - case 203: - case 204: - case 202: - case 201: - case 208: - case 197: - case 212: - case 210: - case 200: - case 213: - case 225: - case 224: - case 231: - case 230: - case 221: - case 217: - case 218: - case 220: - case 219: - return true; - } - } - return false; - } - function isReusableEnumMember(node) { - return node.kind === 250; - } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 149: - case 143: - case 150: - case 141: - case 148: - return true; - } - } - return false; - } - function isReusableVariableDeclaration(node) { - if (node.kind !== 214) { - return false; - } - var variableDeclarator = node; - return variableDeclarator.initializer === undefined; - } - function isReusableParameter(node) { - if (node.kind !== 139) { - return false; - } - var parameter = node; - return parameter.initializer === undefined; - } - function abortParsingListOrMoveToNextToken(kind) { - parseErrorAtCurrentToken(parsingContextErrors(kind)); - if (isInSomeParsingContext()) { - return true; - } - nextToken(); - return false; - } - function parsingContextErrors(context) { - switch (context) { - case 0: return ts.Diagnostics.Declaration_or_statement_expected; - case 1: return ts.Diagnostics.Declaration_or_statement_expected; - case 2: return ts.Diagnostics.case_or_default_expected; - case 3: return ts.Diagnostics.Statement_expected; - case 4: return ts.Diagnostics.Property_or_signature_expected; - case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; - case 6: return ts.Diagnostics.Enum_member_expected; - case 7: return ts.Diagnostics.Expression_expected; - case 8: return ts.Diagnostics.Variable_declaration_expected; - case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; - case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; - case 11: return ts.Diagnostics.Argument_expression_expected; - case 12: return ts.Diagnostics.Property_assignment_expected; - case 15: return ts.Diagnostics.Expression_or_comma_expected; - case 16: return ts.Diagnostics.Parameter_declaration_expected; - case 17: return ts.Diagnostics.Type_parameter_declaration_expected; - case 18: return ts.Diagnostics.Type_argument_expected; - case 19: return ts.Diagnostics.Type_expected; - case 20: return ts.Diagnostics.Unexpected_token_expected; - case 21: return ts.Diagnostics.Identifier_expected; - case 13: return ts.Diagnostics.Identifier_expected; - case 14: return ts.Diagnostics.Identifier_expected; - case 22: return ts.Diagnostics.Parameter_declaration_expected; - case 23: return ts.Diagnostics.Type_argument_expected; - case 25: return ts.Diagnostics.Type_expected; - case 24: return ts.Diagnostics.Property_assignment_expected; - } - } - ; - function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimeter) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - var commaStart = -1; - while (true) { - if (isListElement(kind, false)) { - result.push(parseListElement(kind, parseElement)); - commaStart = scanner.getTokenPos(); - if (parseOptional(24)) { - continue; - } - commaStart = -1; - if (isListTerminator(kind)) { - break; - } - parseExpected(24); - if (considerSemicolonAsDelimeter && token === 23 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - } - continue; - } - if (isListTerminator(kind)) { - break; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - if (commaStart >= 0) { - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - var pos = getNodePos(); - var result = []; - result.pos = pos; - result.end = pos; - return result; - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; - } - return createMissingList(); - } - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(21)) { - var node = createNode(136, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; - } - function parseRightSideOfDot(allowIdentifierNames) { - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - return createMissingNode(69, true, ts.Diagnostics.Identifier_expected); - } - } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(186); - template.head = parseTemplateLiteralFragment(); - ts.Debug.assert(template.head.kind === 12, "Template head has wrong token kind"); - var templateSpans = []; - templateSpans.pos = getNodePos(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 13); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(193); - span.expression = allowInAnd(parseExpression); - var literal; - if (token === 16) { - reScanTemplateToken(); - literal = parseTemplateLiteralFragment(); - } - else { - literal = parseExpectedToken(14, false, ts.Diagnostics._0_expected, ts.tokenToString(16)); - } - span.literal = literal; - return finishNode(span); - } - function parseStringLiteralTypeNode() { - return parseLiteralLikeNode(163, true); - } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token, internName); - } - function parseTemplateLiteralFragment() { - return parseLiteralLikeNode(token, false); - } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - if (node.kind === 8 - && sourceText.charCodeAt(tokenPos) === 48 - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.flags |= 32768; - } - return node; - } - function parseTypeReference() { - var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); - var node = createNode(152, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token === 25) { - node.typeArguments = parseBracketedList(18, parseType, 25, 27); - } - return finishNode(node); - } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(151, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); - } - function parseThisTypeNode() { - var node = createNode(162); - nextToken(); - return finishNode(node); - } - function parseTypeQuery() { - var node = createNode(155); - parseExpected(101); - node.exprName = parseEntityName(true); - return finishNode(node); - } - function parseTypeParameter() { - var node = createNode(138); - node.name = parseIdentifier(); - if (parseOptional(83)) { - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); - } - function parseTypeParameters() { - if (token === 25) { - return parseBracketedList(17, parseTypeParameter, 25, 27); - } - } - function parseParameterType() { - if (parseOptional(54)) { - return parseType(); - } - return undefined; - } - function isStartOfParameter() { - return token === 22 || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55; - } - function setModifiers(node, modifiers) { - if (modifiers) { - node.flags |= modifiers.flags; - node.modifiers = modifiers; - } - } - function parseParameter() { - var node = createNode(139); - node.decorators = parseDecorators(); - setModifiers(node, parseModifiers()); - node.dotDotDotToken = parseOptionalToken(22); - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { - nextToken(); - } - node.questionToken = parseOptionalToken(53); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(true); - return addJSDocComment(finishNode(node)); - } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); - } - function parseParameterInitializer() { - return parseInitializer(true); - } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 34; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } - } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - if (parseExpected(17)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(18) && requireCompleteParameterList) { - return undefined; - } - return result; - } - return requireCompleteParameterList ? undefined : createMissingList(); - } - function parseTypeMemberSemicolon() { - if (parseOptional(24)) { - return; - } - parseSemicolon(); - } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 149) { - parseExpected(92); - } - fillSignature(54, false, false, false, node); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function isIndexSignature() { - if (token !== 19) { - return false; - } - return lookAhead(isUnambiguouslyIndexSignature); - } - function isUnambiguouslyIndexSignature() { - nextToken(); - if (token === 22 || token === 20) { - return true; - } - if (ts.isModifierKind(token)) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - nextToken(); - } - if (token === 54 || token === 24) { - return true; - } - if (token !== 53) { - return false; - } - nextToken(); - return token === 54 || token === 24 || token === 20; - } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(150, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.parameters = parseBracketedList(16, parseParameter, 19, 20); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function parsePropertyOrMethodSignature() { - var fullStart = scanner.getStartPos(); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (token === 17 || token === 25) { - var method = createNode(143, fullStart); - method.name = name; - method.questionToken = questionToken; - fillSignature(54, false, false, false, method); - parseTypeMemberSemicolon(); - return finishNode(method); - } - else { - var property = createNode(141, fullStart); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token === 56) { - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return finishNode(property); - } - } - function isStartOfTypeMember() { - switch (token) { - case 17: - case 25: - case 19: - return true; - default: - if (ts.isModifierKind(token)) { - var result = lookAhead(isStartOfIndexSignatureDeclaration); - if (result) { - return result; - } - } - return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); - } - } - function isStartOfIndexSignatureDeclaration() { - while (ts.isModifierKind(token)) { - nextToken(); - } - return isIndexSignature(); - } - function isTypeMemberWithLiteralPropertyName() { - nextToken(); - return token === 17 || - token === 25 || - token === 53 || - token === 54 || - canParseSemicolon(); - } - function parseTypeMember() { - switch (token) { - case 17: - case 25: - return parseSignatureMember(148); - case 19: - return isIndexSignature() - ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined, undefined) - : parsePropertyOrMethodSignature(); - case 92: - if (lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(149); - } - case 9: - case 8: - return parsePropertyOrMethodSignature(); - default: - if (ts.isModifierKind(token)) { - var result = tryParse(parseIndexSignatureWithModifiers); - if (result) { - return result; - } - } - if (ts.tokenIsIdentifierOrKeyword(token)) { - return parsePropertyOrMethodSignature(); - } - } - } - function parseIndexSignatureWithModifiers() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - return isIndexSignature() - ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) - : undefined; - } - function isStartOfConstructSignature() { - nextToken(); - return token === 17 || token === 25; - } - function parseTypeLiteral() { - var node = createNode(156); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(15)) { - members = parseList(4, parseTypeMember); - parseExpected(16); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(158); - node.elementTypes = parseBracketedList(19, parseType, 19, 20); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(161); - parseExpected(17); - node.type = parseType(); - parseExpected(18); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 154) { - parseExpected(92); - } - fillSignature(34, false, false, false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token === 21 ? undefined : node; - } - function parseNonArrayType() { - switch (token) { - case 117: - case 130: - case 128: - case 120: - case 131: - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9: - return parseStringLiteralTypeNode(); - case 103: - return parseTokenNode(); - case 97: { - var thisKeyword = parseThisTypeNode(); - if (token === 124 && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 101: - return parseTypeQuery(); - case 15: - return parseTypeLiteral(); - case 19: - return parseTupleType(); - case 17: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 97: - case 101: - case 15: - case 19: - case 25: - case 92: - case 9: - return true; - case 17: - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token === 18 || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(19)) { - parseExpected(20); - var node = createNode(157, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token === operator) { - var types = [type]; - types.pos = type.pos; - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(160, parseArrayTypeOrHigher, 46); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(159, parseIntersectionTypeOrHigher, 47); - } - function isStartOfFunctionType() { - if (token === 25) { - return true; - } - return token === 17 && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token === 18 || token === 22) { - return true; - } - if (isIdentifier() || ts.isModifierKind(token)) { - nextToken(); - if (token === 54 || token === 24 || - token === 53 || token === 56 || - isIdentifier() || ts.isModifierKind(token)) { - return true; - } - if (token === 18) { - nextToken(); - if (token === 34) { - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(151, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token === 124 && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - return doOutsideOfContext(10, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(153); - } - if (token === 92) { - return parseFunctionOrConstructorType(154); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(54) ? parseType() : undefined; - } - function isStartOfLeftHandSideExpression() { - switch (token) { - case 97: - case 95: - case 93: - case 99: - case 84: - case 8: - case 9: - case 11: - case 12: - case 17: - case 19: - case 15: - case 87: - case 73: - case 92: - case 39: - case 61: - case 69: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token) { - case 35: - case 36: - case 50: - case 49: - case 78: - case 101: - case 103: - case 41: - case 42: - case 25: - case 119: - case 114: - return true; - default: - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - return token !== 15 && - token !== 87 && - token !== 73 && - token !== 55 && - isStartOfExpression(); - } - function parseExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(24))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token !== 56) { - if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15) || !isStartOfExpression()) { - return undefined; - } - } - parseExpected(56); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - if (isYieldExpression()) { - return parseYieldExpression(); - } - var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - var expr = parseBinaryExpressionOrHigher(0); - if (expr.kind === 69 && token === 34) { - return parseSimpleArrowFunctionExpression(expr); - } - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token === 114) { - if (inYieldContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; - } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); - } - function parseYieldExpression() { - var node = createNode(187); - nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token === 37 || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(37); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier) { - ts.Debug.assert(token === 34, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node = createNode(177, identifier.pos); - var parameter = createNode(139, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = [parameter]; - node.parameters.pos = parameter.pos; - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(false); - return finishNode(node); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0) { - return undefined; - } - var arrowFunction = triState === 1 - ? parseParenthesizedArrowFunctionExpressionHead(true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - return undefined; - } - var isAsync = !!(arrowFunction.flags & 256); - var lastToken = token; - arrowFunction.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 34 || lastToken === 15) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return finishNode(arrowFunction); - } - function isParenthesizedArrowFunctionExpression() { - if (token === 17 || token === 25 || token === 118) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token === 34) { - return 1; - } - return 0; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token === 118) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0; - } - if (token !== 17 && token !== 25) { - return 0; - } - } - var first = token; - var second = nextToken(); - if (first === 17) { - if (second === 18) { - var third = nextToken(); - switch (third) { - case 34: - case 54: - case 15: - return 1; - default: - return 0; - } - } - if (second === 19 || second === 15) { - return 2; - } - if (second === 22) { - return 1; - } - if (!isIdentifier()) { - return 0; - } - if (nextToken() === 54) { - return 1; - } - return 2; - } - else { - ts.Debug.assert(first === 25); - if (!isIdentifier()) { - return 0; - } - if (sourceFile.languageVariant === 1) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 83) { - var fourth = nextToken(); - switch (fourth) { - case 56: - case 27: - return false; - default: - return true; - } - } - else if (third === 24) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1; - } - return 0; - } - return 2; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(false); - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(177); - setModifiers(node, parseModifiersForArrowFunction()); - var isAsync = !!(node.flags & 256); - fillSignature(54, false, isAsync, !allowAmbiguity, node); - if (!node.parameters) { - return undefined; - } - if (!allowAmbiguity && token !== 34 && token !== 15) { - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token === 15) { - return parseFunctionBlock(false, isAsync, false); - } - if (token !== 23 && - token !== 87 && - token !== 73 && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - return parseFunctionBlock(false, isAsync, true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - var questionToken = parseOptionalToken(53); - if (!questionToken) { - return leftOperand; - } - var node = createNode(185, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(54, false, ts.Diagnostics._0_expected, ts.tokenToString(54)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 90 || t === 135; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - var consumeCurrentOperator = token === 38 ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token === 90 && inDisallowInContext()) { - break; - } - if (token === 116) { - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token === 90) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token) { - case 52: - return 1; - case 51: - return 2; - case 47: - return 3; - case 48: - return 4; - case 46: - return 5; - case 30: - case 31: - case 32: - case 33: - return 6; - case 25: - case 27: - case 28: - case 29: - case 91: - case 90: - case 116: - return 7; - case 43: - case 44: - case 45: - return 8; - case 35: - case 36: - return 9; - case 37: - case 39: - case 40: - return 10; - case 38: - return 11; - } - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(184, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(192, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(182); - node.operator = token; - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(178); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(179); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(180); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token === 119) { - if (inAwaitContext()) { - return true; - } - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(181); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseUnaryExpressionOrHigher() { - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - if (isIncrementExpression()) { - var incrementExpression = parseIncrementExpression(); - return token === 38 ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token; - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token === 38) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 174) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - function parseSimpleUnaryExpression() { - switch (token) { - case 35: - case 36: - case 50: - case 49: - return parsePrefixUnaryExpression(); - case 78: - return parseDeleteExpression(); - case 101: - return parseTypeOfExpression(); - case 103: - return parseVoidExpression(); - case 25: - return parseTypeAssertion(); - default: - return parseIncrementExpression(); - } - } - function isIncrementExpression() { - switch (token) { - case 35: - case 36: - case 50: - case 49: - case 78: - case 101: - case 103: - return false; - case 25: - if (sourceFile.languageVariant !== 1) { - return false; - } - default: - return true; - } - } - function parseIncrementExpression() { - if (token === 41 || token === 42) { - var node = createNode(182); - node.operator = token; - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 && token === 25 && lookAhead(nextTokenIsIdentifierOrKeyword)) { - return parseJsxElementOrSelfClosingElement(true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token === 41 || token === 42) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(183, expression.pos); - node.operand = expression; - node.operator = token; - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - var expression = token === 95 - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token === 17 || token === 21 || token === 19) { - return expression; - } - var node = createNode(169, expression.pos); - node.expression = expression; - node.dotToken = parseExpectedToken(21, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 69) { - return lhs.text === rhs.text; - } - return lhs.right.text === rhs.right.text && - tagNamesAreEquivalent(lhs.left, rhs.left); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 238) { - var node = createNode(236, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 237); - result = opening; - } - if (inExpressionContext && token === 25) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(184, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(24, false, undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(239, scanner.getStartPos()); - token = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token) { - case 239: - return parseJsxText(); - case 15: - return parseJsxExpression(false); - case 25: - return parseJsxElementOrSelfClosingElement(false); - } - ts.Debug.fail("Unknown JSX child kind " + token); - } - function parseJsxChildren(openingTagName) { - var result = []; - result.pos = scanner.getStartPos(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14; - while (true) { - token = scanner.reScanJsxToken(); - if (token === 26) { - break; - } - else if (token === 1) { - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(25); - var tagName = parseJsxElementName(); - var attributes = parseList(13, parseJsxAttribute); - var node; - if (token === 27) { - node = createNode(238, fullStart); - scanJsxText(); - } - else { - parseExpected(39); - if (inExpressionContext) { - parseExpected(27); - } - else { - parseExpected(27, undefined, false); - scanJsxText(); - } - node = createNode(237, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var elementName = parseIdentifierName(); - while (parseOptional(21)) { - scanJsxIdentifier(); - var node = createNode(136, elementName.pos); - node.left = elementName; - node.right = parseIdentifierName(); - elementName = finishNode(node); - } - return elementName; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(243); - parseExpected(15); - if (token !== 16) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(16); - } - else { - parseExpected(16, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token === 15) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(241); - node.name = parseIdentifierName(); - if (parseOptional(56)) { - switch (token) { - case 9: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(242); - parseExpected(15); - parseExpected(22); - node.expression = parseExpression(); - parseExpected(16); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(240); - parseExpected(26); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(27); - } - else { - parseExpected(27, undefined, false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(174); - parseExpected(25); - node.type = parseType(); - parseExpected(27); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(21); - if (dotToken) { - var propertyAccess = createNode(169, expression.pos); - propertyAccess.expression = expression; - propertyAccess.dotToken = dotToken; - propertyAccess.name = parseRightSideOfDot(true); - expression = finishNode(propertyAccess); - continue; - } - if (!inDecoratorContext() && parseOptional(19)) { - var indexedAccess = createNode(170, expression.pos); - indexedAccess.expression = expression; - if (token !== 20) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(20); - expression = finishNode(indexedAccess); - continue; - } - if (token === 11 || token === 12) { - var tagExpression = createNode(173, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token === 11 - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token === 25) { - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(171, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token === 17) { - var callExpr = createNode(171, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(17); - var result = parseDelimitedList(11, parseArgumentExpression); - parseExpected(18); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(25)) { - return undefined; - } - var typeArguments = parseDelimitedList(18, parseType); - if (!parseExpected(27)) { - return undefined; - } - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token) { - case 17: - case 21: - case 18: - case 20: - case 54: - case 23: - case 53: - case 30: - case 32: - case 31: - case 33: - case 51: - case 52: - case 48: - case 46: - case 47: - case 16: - case 1: - return true; - case 24: - case 15: - default: - return false; - } - } - function parsePrimaryExpression() { - switch (token) { - case 8: - case 9: - case 11: - return parseLiteralNode(); - case 97: - case 95: - case 93: - case 99: - case 84: - return parseTokenNode(); - case 17: - return parseParenthesizedExpression(); - case 19: - return parseArrayLiteralExpression(); - case 15: - return parseObjectLiteralExpression(); - case 118: - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 73: - return parseClassExpression(); - case 87: - return parseFunctionExpression(); - case 92: - return parseNewExpression(); - case 39: - case 61: - if (reScanSlashToken() === 10) { - return parseLiteralNode(); - } - break; - case 12: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(175); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(188); - parseExpected(22); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token === 22 ? parseSpreadElement() : - token === 24 ? createNode(190) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(167); - parseExpected(19); - if (scanner.hasPrecedingLineBreak()) - node.flags |= 1024; - node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); - parseExpected(20); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(123)) { - return parseAccessorDeclaration(146, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(129)) { - return parseAccessorDeclaration(147, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(37); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (asteriskToken || token === 17 || token === 25) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 || token === 16 || token === 56); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(249, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(56); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(248, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(54); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(168); - parseExpected(15); - if (scanner.hasPrecedingLineBreak()) { - node.flags |= 1024; - } - node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); - parseExpected(16); - return finishNode(node); - } - function parseFunctionExpression() { - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var node = createNode(176); - setModifiers(node, parseModifiers()); - parseExpected(87); - node.asteriskToken = parseOptionalToken(37); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(54, isGenerator, isAsync, false, node); - node.body = parseFunctionBlock(isGenerator, isAsync, false); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(172); - parseExpected(92); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token === 17) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(195); - if (parseExpected(15, diagnosticMessage) || ignoreMissingOpenBrace) { - node.statements = parseList(1, parseStatement); - parseExpected(16); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(197); - parseExpected(23); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(199); - parseExpected(88); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(80) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(200); - parseExpected(79); - node.statement = parseStatement(); - parseExpected(104); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - parseOptional(23); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(201); - parseExpected(104); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(86); - parseExpected(17); - var initializer = undefined; - if (token !== 23) { - if (token === 102 || token === 108 || token === 74) { - initializer = parseVariableDeclarationList(true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(90)) { - var forInStatement = createNode(203, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(18); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(135)) { - var forOfStatement = createNode(204, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(18); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(202, pos); - forStatement.initializer = initializer; - parseExpected(23); - if (token !== 23 && token !== 18) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(23); - if (token !== 18) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(18); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 206 ? 70 : 75); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(207); - parseExpected(94); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(208); - parseExpected(105); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(244); - parseExpected(71); - node.expression = allowInAnd(parseExpression); - parseExpected(54); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(245); - parseExpected(77); - parseExpected(54); - node.statements = parseList(3, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token === 71 ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(209); - parseExpected(96); - parseExpected(17); - node.expression = allowInAnd(parseExpression); - parseExpected(18); - var caseBlock = createNode(223, scanner.getStartPos()); - parseExpected(15); - caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); - parseExpected(16); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - var node = createNode(211); - parseExpected(98); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - function parseTryStatement() { - var node = createNode(212); - parseExpected(100); - node.tryBlock = parseBlock(false); - node.catchClause = token === 72 ? parseCatchClause() : undefined; - if (!node.catchClause || token === 85) { - parseExpected(85); - node.finallyBlock = parseBlock(false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(247); - parseExpected(72); - if (parseExpected(17)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(18); - result.block = parseBlock(false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(213); - parseExpected(76); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 69 && parseOptional(54)) { - var labeledStatement = createNode(210, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(198, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token === 87 && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token) || token === 8) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token) { - case 102: - case 108: - case 74: - case 87: - case 73: - case 81: - return true; - case 107: - case 132: - return nextTokenIsIdentifierOnSameLine(); - case 125: - case 126: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 115: - case 118: - case 122: - case 110: - case 111: - case 112: - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 134: - return nextToken() === 15; - case 89: - nextToken(); - return token === 9 || token === 37 || - token === 15 || ts.tokenIsIdentifierOrKeyword(token); - case 82: - nextToken(); - if (token === 56 || token === 37 || - token === 15 || token === 77) { - return true; - } - continue; - case 113: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token) { - case 55: - case 23: - case 15: - case 102: - case 108: - case 87: - case 73: - case 81: - case 88: - case 79: - case 104: - case 86: - case 75: - case 70: - case 94: - case 105: - case 96: - case 98: - case 100: - case 76: - case 72: - case 85: - return true; - case 74: - case 82: - case 89: - return isStartOfDeclaration(); - case 118: - case 122: - case 107: - case 125: - case 126: - case 132: - case 134: - return true; - case 112: - case 110: - case 111: - case 113: - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token === 15 || token === 19; - } - function isLetDeclaration() { - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token) { - case 23: - return parseEmptyStatement(); - case 15: - return parseBlock(false); - case 102: - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - case 108: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), undefined, undefined); - } - break; - case 87: - return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); - case 73: - return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); - case 88: - return parseIfStatement(); - case 79: - return parseDoStatement(); - case 104: - return parseWhileStatement(); - case 86: - return parseForOrForInOrForOfStatement(); - case 75: - return parseBreakOrContinueStatement(205); - case 70: - return parseBreakOrContinueStatement(206); - case 94: - return parseReturnStatement(); - case 105: - return parseWithStatement(); - case 96: - return parseSwitchStatement(); - case 98: - return parseThrowStatement(); - case 100: - case 72: - case 85: - return parseTryStatement(); - case 76: - return parseDebuggerStatement(); - case 55: - return parseDeclaration(); - case 118: - case 107: - case 132: - case 125: - case 126: - case 122: - case 74: - case 81: - case 82: - case 89: - case 110: - case 111: - case 112: - case 115: - case 113: - case 134: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token) { - case 102: - case 108: - case 74: - return parseVariableStatement(fullStart, decorators, modifiers); - case 87: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 73: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 107: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 132: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 81: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 134: - case 125: - case 126: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 89: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 82: - nextToken(); - return token === 77 || token === 56 ? - parseExportAssignment(fullStart, decorators, modifiers) : - parseExportDeclaration(fullStart, decorators, modifiers); - default: - if (decorators || modifiers) { - var node = createMissingNode(234, true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - setModifiers(node, modifiers); - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token !== 15 && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); - } - function parseArrayBindingElement() { - if (token === 24) { - return createNode(190); - } - var node = createNode(166); - node.dotDotDotToken = parseOptionalToken(22); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(166); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token !== 54) { - node.name = propertyName; - } - else { - parseExpected(54); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(164); - parseExpected(15); - node.elements = parseDelimitedList(9, parseObjectBindingElement); - parseExpected(16); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(165); - parseExpected(19); - node.elements = parseDelimitedList(10, parseArrayBindingElement); - parseExpected(20); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token === 15 || token === 19 || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token === 19) { - return parseArrayBindingPattern(); - } - if (token === 15) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(214); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token)) { - node.initializer = parseInitializer(false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(215); - switch (token) { - case 102: - break; - case 108: - node.flags |= 8192; - break; - case 74: - node.flags |= 16384; - break; - default: - ts.Debug.fail(); - } - nextToken(); - if (token === 135 && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 18; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(196, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.declarationList = parseVariableDeclarationList(false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(216, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(87); - node.asteriskToken = parseOptionalToken(37); - node.name = node.flags & 512 ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256); - fillSignature(54, isGenerator, isAsync, false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(145, pos); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(121); - fillSignature(54, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(144, fullStart); - method.decorators = decorators; - setModifiers(method, modifiers); - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = !!(method.flags & 256); - fillSignature(54, isGenerator, isAsync, false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(142, fullStart); - property.decorators = decorators; - setModifiers(property, modifiers); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - property.initializer = modifiers && modifiers.flags & 64 - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(2 | 1, parseNonParameterInitializer); - parseSemicolon(); - return finishNode(property); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(37); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53); - if (asteriskToken || token === 17 || token === 25) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.name = parsePropertyName(); - fillSignature(54, false, false, false, node); - node.body = parseFunctionBlockOrSemicolon(false, false); - return finishNode(node); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 112: - case 110: - case 111: - case 113: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token === 55) { - return true; - } - while (ts.isModifierKind(token)) { - idToken = token; - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token === 37) { - return true; - } - if (isLiteralPropertyName()) { - idToken = token; - nextToken(); - } - if (token === 19) { - return true; - } - if (idToken !== undefined) { - if (!ts.isKeyword(idToken) || idToken === 129 || idToken === 123) { - return true; - } - switch (token) { - case 17: - case 25: - case 54: - case 56: - case 53: - return true; - default: - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(55)) { - break; - } - if (!decorators) { - decorators = []; - decorators.pos = decoratorStart; - } - var decorator = createNode(140, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - decorators.push(finishNode(decorator)); - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - function parseModifiers(permitInvalidConstAsModifier) { - var flags = 0; - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - if (token === 74 && permitInvalidConstAsModifier) { - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - if (!modifiers) { - modifiers = []; - modifiers.pos = modifierStart; - } - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - } - if (modifiers) { - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var flags = 0; - var modifiers; - if (token === 118) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - nextToken(); - modifiers = []; - modifiers.pos = modifierStart; - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token === 23) { - var result = createNode(194); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token === 121) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - if (ts.tokenIsIdentifierOrKeyword(token) || - token === 9 || - token === 8 || - token === 37 || - token === 19) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - var name_7 = createMissingNode(69, true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, undefined); - } - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 189); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(73); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(true); - if (parseExpected(15)) { - node.members = parseClassMembers(); - parseExpected(16); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseNameOfClassDeclarationOrExpression() { - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token === 106 && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses(isClassHeritageClause) { - if (isHeritageClause()) { - return parseList(20, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token === 83 || token === 106) { - var node = createNode(246); - node.token = token; - nextToken(); - node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(191); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token === 25) { - node.typeArguments = parseBracketedList(18, parseType, 25, 27); - } - return finishNode(node); - } - function isHeritageClause() { - return token === 83 || token === 106; - } - function parseClassMembers() { - return parseList(5, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(218, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(107); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(false); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(219, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(132); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(56); - node.type = parseType(); - parseSemicolon(); - return finishNode(node); - } - function parseEnumMember() { - var node = createNode(250, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return finishNode(node); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(220, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(81); - node.name = parseIdentifier(); - if (parseExpected(15)) { - node.members = parseDelimitedList(6, parseEnumMember); - parseExpected(16); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseModuleBlock() { - var node = createNode(222, scanner.getStartPos()); - if (parseExpected(15)) { - node.statements = parseList(1, parseStatement); - parseExpected(16); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(221, fullStart); - var namespaceFlag = flags & 65536; - node.decorators = decorators; - setModifiers(node, modifiers); - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(21) - ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 2 | namespaceFlag) - : parseModuleBlock(); - return finishNode(node); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (token === 134) { - node.name = parseIdentifier(); - node.flags |= 2097152; - } - else { - node.name = parseLiteralNode(true); - } - node.body = parseModuleBlock(); - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = modifiers ? modifiers.flags : 0; - if (token === 134) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(126)) { - flags |= 65536; - } - else { - parseExpected(125); - if (token === 9) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token === 127 && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 17; - } - function nextTokenIsSlash() { - return nextToken() === 39; - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(89); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token !== 24 && token !== 133) { - var importEqualsDeclaration = createNode(224, fullStart); - importEqualsDeclaration.decorators = decorators; - setModifiers(importEqualsDeclaration, modifiers); - importEqualsDeclaration.name = identifier; - parseExpected(56); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return finishNode(importEqualsDeclaration); - } - } - var importDeclaration = createNode(225, fullStart); - importDeclaration.decorators = decorators; - setModifiers(importDeclaration, modifiers); - if (identifier || - token === 37 || - token === 15) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(133); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - var importClause = createNode(226, fullStart); - if (identifier) { - importClause.name = identifier; - } - if (!importClause.name || - parseOptional(24)) { - importClause.namedBindings = token === 37 ? parseNamespaceImport() : parseNamedImportsOrExports(228); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(false); - } - function parseExternalModuleReference() { - var node = createNode(235); - parseExpected(127); - parseExpected(17); - node.expression = parseModuleSpecifier(); - parseExpected(18); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token === 9) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - return parseExpression(); - } - } - function parseNamespaceImport() { - var namespaceImport = createNode(227); - parseExpected(37); - parseExpected(116); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - node.elements = parseBracketedList(21, kind === 228 ? parseImportSpecifier : parseExportSpecifier, 15, 16); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(233); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(229); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token === 116) { - node.propertyName = identifierName; - parseExpected(116); - checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 229 && checkIdentifierIsKeyword) { - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(231, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(37)) { - parseExpected(133); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(232); - if (token === 133 || (token === 9 && !scanner.hasPrecedingLineBreak())) { - parseExpected(133); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(230, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(56)) { - node.isExportEquals = true; - } - else { - parseExpected(77); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); - var referencedFiles = []; - var amdDependencies = []; - var amdModuleName; - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - referencedFiles.push(fileReference); - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(136, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(260); - nextToken(); - result.members = parseDelimitedList(24, parseJSDocRecordMember); - checkForTrailingComma(result.members); - parseExpected(16); - return finishNode(result); - } - function parseJSDocRecordMember() { - var result = createNode(261); - result.name = parseSimplePropertyName(); - if (token === 54) { - nextToken(); - result.type = parseJSDocType(); - } - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(259); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(257); - nextToken(); - result.types = parseDelimitedList(25, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(20); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(256); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(18); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = []; - types.pos = firstType.pos; - types.push(firstType); - while (parseOptional(47)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(253); - nextToken(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - nextToken(); - if (token === 24 || - token === 16 || - token === 18 || - token === 27 || - token === 56 || - token === 47) { - var result = createNode(254, pos); - return finishNode(result); - } - else { - var result = createNode(258, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState("file.js", content, 2, true, undefined); - sourceFile = { languageVariant: 0, text: content }; - var jsDocComment = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var result; - if (content.charCodeAt(start) === 47 && - content.charCodeAt(start + 1) === 42 && - content.charCodeAt(start + 2) === 42 && - content.charCodeAt(start + 3) !== 42) { - scanner.scanRange(start + 3, length - 5, function () { - var canParseTag = true; - var seenAsterisk = true; - nextJSDocToken(); - while (token !== 1) { - switch (token) { - case 55: - if (canParseTag) { - parseTag(); - } - seenAsterisk = false; - break; - case 4: - canParseTag = true; - seenAsterisk = false; - break; - case 37: - if (seenAsterisk) { - canParseTag = false; - } - seenAsterisk = true; - break; - case 69: - canParseTag = false; - break; - case 1: - break; - } - nextJSDocToken(); - } - result = createJSDocComment(); - }); - } - return result; - function createJSDocComment() { - if (!tags) { - return undefined; - } - var result = createNode(268, start); - result.tags = tags; - return finishNode(result, end); - } - function skipWhitespace() { - while (token === 5 || token === 4) { - nextJSDocToken(); - } - } - function parseTag() { - ts.Debug.assert(token === 55); - var atToken = createNode(55, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifier(); - if (!tagName) { - return; - } - var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); - addTag(tag); - } - function handleTag(atToken, tagName) { - if (tagName) { - switch (tagName.text) { - case "param": - return handleParamTag(atToken, tagName); - case "return": - case "returns": - return handleReturnTag(atToken, tagName); - case "template": - return handleTemplateTag(atToken, tagName); - case "type": - return handleTypeTag(atToken, tagName); - } - } - return undefined; - } - function handleUnknownTag(atToken, tagName) { - var result = createNode(269, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag) { - if (tag) { - if (!tags) { - tags = []; - tags.pos = tag.pos; - } - tags.push(tag); - tags.end = tag.end; - } - } - function tryParseTypeExpression() { - if (token !== 15) { - return undefined; - } - var typeExpression = parseJSDocTypeExpression(); - return typeExpression; - } - function handleParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - if (parseOptionalToken(19)) { - name = parseJSDocIdentifier(); - isBracketed = true; - if (parseOptionalToken(56)) { - parseExpression(); - } - parseExpected(20); - } - else if (token === 69) { - name = parseJSDocIdentifier(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(270, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function handleReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 271; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(271, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 272; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(272, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 273; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var typeParameters = []; - typeParameters.pos = scanner.getStartPos(); - while (true) { - var name_8 = parseJSDocIdentifier(); - if (!name_8) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(138, name_8.pos); - typeParameter.name = name_8; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token === 24) { - nextJSDocToken(); - } - else { - break; - } - } - var result = createNode(273, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return token = scanner.scanJSDocToken(); - } - function parseJSDocIdentifier() { - if (token !== 69) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; - } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(69, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; - } - } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - return sourceFile; - } - if (sourceFile.statements.length === 0) { - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true); - } - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true); - return result; - } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } - return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - if (node._children) { - node._children = undefined; - } - if (node.jsDocComment) { - node.jsDocComment = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { - var node = array_7[_i]; - visitNode(node); - } - } - } - function shouldCheckNode(node) { - switch (node.kind) { - case 9: - case 8: - case 69: - return true; - } - return false; - } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - element.pos = Math.min(element.pos, changeRangeNewEnd); - if (element.end >= changeRangeOldEnd) { - element.end += delta; - } - else { - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); - } - } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } - } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); - return; - } - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { - var node = array_8[_i]; - visitNode(node); - } - return; - } - ts.Debug.assert(fullEnd < changeStart); - } - } - function extendToAffectedRange(sourceFile, changeRange) { - var maxLookahead = 1; - var start = changeRange.span.start; - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); - } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - return; - } - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - bestResult = child; - } - if (position < child.end) { - forEachChild(child, visit); - return true; - } - else { - ts.Debug.assert(child.end <= position); - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - return true; - } - } - } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } - } - } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1; - return { - currentNode: function (position) { - if (position !== lastQueriedPosition) { - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - lastQueriedPosition = position; - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - function findHighestListElementThatStartsAtPosition(position) { - currentArray = undefined; - currentArrayIndex = -1; - current = undefined; - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - forEachChild(node, visitNode, visitArray); - return true; - } - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - return false; - } - } - } - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.bindTime = 0; - function or(state1, state2) { - return (state1 | state2) & 2 - ? 2 - : (state1 & state2) & 8 - ? 8 - : 4; - } - function getModuleInstanceState(node) { - if (node.kind === 218 || node.kind === 219) { - return 0; - } - else if (ts.isConstEnumDeclaration(node)) { - return 2; - } - else if ((node.kind === 225 || node.kind === 224) && !(node.flags & 2)) { - return 0; - } - else if (node.kind === 222) { - var state_1 = 0; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0: - return false; - case 2: - state_1 = 2; - return false; - case 1: - state_1 = 1; - return true; - } - }); - return state_1; - } - else if (node.kind === 221) { - return getModuleInstanceState(node.body); - } - else { - return 1; - } - } - ts.getModuleInstanceState = getModuleInstanceState; - var binder = createBinder(); - function bindSourceFile(file, options) { - var start = new Date().getTime(); - binder(file, options); - ts.bindTime += new Date().getTime() - start; - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - var hasExplicitReturn; - var currentReachabilityState; - var labelStack; - var labelIndexMap; - var implicitLabels; - var hasClassExtends; - var hasAsyncFunctions; - var hasDecorators; - var hasParameterDecorators; - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - function bindSourceFile(f, opts) { - file = f; - options = opts; - inStrictMode = !!file.externalModuleIndicator; - classifiableNames = {}; - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; - } - file = undefined; - options = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - hasExplicitReturn = false; - labelStack = undefined; - labelIndexMap = undefined; - implicitLabels = undefined; - hasClassExtends = false; - hasAsyncFunctions = false; - hasDecorators = false; - hasParameterDecorators = false; - } - return bindSourceFile; - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; - } - symbol.declarations.push(node); - if (symbolFlags & 1952 && !symbol.exports) { - symbol.exports = {}; - } - if (symbolFlags & 6240 && !symbol.members) { - symbol.members = {}; - } - if (symbolFlags & 107455) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221)) { - symbol.valueDeclaration = node; - } - } - } - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 137) { - var nameExpression = node.name.expression; - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); - } - return node.name.text; - } - switch (node.kind) { - case 145: - return "__constructor"; - case 153: - case 148: - return "__call"; - case 154: - case 149: - return "__new"; - case 150: - return "__index"; - case 231: - return "__export"; - case 230: - return node.isExportEquals ? "export=" : "default"; - case 184: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2: - return "export="; - case 1: - case 4: - return node.left.name.text; - case 3: - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 216: - case 217: - return node.flags & 512 ? "default" : undefined; - case 264: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 139: - ts.Debug.assert(node.parent.kind === 264); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "p" + index; - } - } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); - } - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = node.flags & 512; - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name !== undefined) { - symbol = ts.hasProperty(symbolTable, name) - ? symbolTable[name] - : (symbolTable[name] = createSymbol(0, name)); - if (name && (includes & 788448)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (node.name) { - node.name.parent = node; - } - var message_1 = symbol.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.flags & 512) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - }); - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0, name); - } - } - else { - symbol = createSymbol(0, "__missing"); - } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; - } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedNodeFlags(node) & 2; - if (symbolFlags & 8388608) { - if (node.kind === 233 || (node.kind === 224 && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - else { - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072)) { - var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | - (symbolFlags & 793056 ? 2097152 : 0) | - (symbolFlags & 1536 ? 4194304 : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - } - function bindChildren(node) { - var saveParent = parent; - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - parent = node; - var containerFlags = getContainerFlags(node); - if (containerFlags & 1) { - container = blockScopeContainer = node; - if (containerFlags & 4) { - container.locals = {}; - } - addToContainerChain(container); - } - else if (containerFlags & 2) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; - } - var savedReachabilityState; - var savedLabelStack; - var savedLabels; - var savedImplicitLabels; - var savedHasExplicitReturn; - var kind = node.kind; - var flags = node.flags; - flags &= ~1572864; - flags &= ~62914560; - if (kind === 218) { - seenThisKeyword = false; - } - var saveState = kind === 251 || kind === 222 || ts.isFunctionLikeKind(kind); - if (saveState) { - savedReachabilityState = currentReachabilityState; - savedLabelStack = labelStack; - savedLabels = labelIndexMap; - savedImplicitLabels = implicitLabels; - savedHasExplicitReturn = hasExplicitReturn; - currentReachabilityState = 2; - hasExplicitReturn = false; - labelStack = labelIndexMap = implicitLabels = undefined; - } - if (ts.isInJavaScriptFile(node) && node.jsDocComment) { - bind(node.jsDocComment); - } - bindReachableStatement(node); - if (currentReachabilityState === 2 && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { - flags |= 524288; - if (hasExplicitReturn) { - flags |= 1048576; - } - } - if (kind === 218) { - flags = seenThisKeyword ? flags | 262144 : flags & ~262144; - } - if (kind === 251) { - if (hasClassExtends) { - flags |= 4194304; - } - if (hasDecorators) { - flags |= 8388608; - } - if (hasParameterDecorators) { - flags |= 16777216; - } - if (hasAsyncFunctions) { - flags |= 33554432; - } - } - node.flags = flags; - if (saveState) { - hasExplicitReturn = savedHasExplicitReturn; - currentReachabilityState = savedReachabilityState; - labelStack = savedLabelStack; - labelIndexMap = savedLabels; - implicitLabels = savedImplicitLabels; - } - container = saveContainer; - parent = saveParent; - blockScopeContainer = savedBlockScopeContainer; - } - function bindReachableStatement(node) { - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; - } - switch (node.kind) { - case 201: - bindWhileStatement(node); - break; - case 200: - bindDoStatement(node); - break; - case 202: - bindForStatement(node); - break; - case 203: - case 204: - bindForInOrForOfStatement(node); - break; - case 199: - bindIfStatement(node); - break; - case 207: - case 211: - bindReturnOrThrow(node); - break; - case 206: - case 205: - bindBreakOrContinueStatement(node); - break; - case 212: - bindTryStatement(node); - break; - case 209: - bindSwitchStatement(node); - break; - case 223: - bindCaseBlock(node); - break; - case 210: - bindLabeledStatement(node); - break; - default: - ts.forEachChild(node, bind); - break; - } - } - function bindWhileStatement(n) { - var preWhileState = n.expression.kind === 84 ? 4 : currentReachabilityState; - var postWhileState = n.expression.kind === 99 ? 4 : currentReachabilityState; - bind(n.expression); - currentReachabilityState = preWhileState; - var postWhileLabel = pushImplicitLabel(); - bind(n.statement); - popImplicitLabel(postWhileLabel, postWhileState); - } - function bindDoStatement(n) { - var preDoState = currentReachabilityState; - var postDoLabel = pushImplicitLabel(); - bind(n.statement); - var postDoState = n.expression.kind === 99 ? 4 : preDoState; - popImplicitLabel(postDoLabel, postDoState); - bind(n.expression); - } - function bindForStatement(n) { - var preForState = currentReachabilityState; - var postForLabel = pushImplicitLabel(); - bind(n.initializer); - bind(n.condition); - bind(n.incrementor); - bind(n.statement); - var isInfiniteLoop = (!n.condition || n.condition.kind === 99); - var postForState = isInfiniteLoop ? 4 : preForState; - popImplicitLabel(postForLabel, postForState); - } - function bindForInOrForOfStatement(n) { - var preStatementState = currentReachabilityState; - var postStatementLabel = pushImplicitLabel(); - bind(n.initializer); - bind(n.expression); - bind(n.statement); - popImplicitLabel(postStatementLabel, preStatementState); - } - function bindIfStatement(n) { - var ifTrueState = n.expression.kind === 84 ? 4 : currentReachabilityState; - var ifFalseState = n.expression.kind === 99 ? 4 : currentReachabilityState; - currentReachabilityState = ifTrueState; - bind(n.expression); - bind(n.thenStatement); - if (n.elseStatement) { - var preElseState = currentReachabilityState; - currentReachabilityState = ifFalseState; - bind(n.elseStatement); - currentReachabilityState = or(currentReachabilityState, preElseState); - } - else { - currentReachabilityState = or(currentReachabilityState, ifFalseState); - } - } - function bindReturnOrThrow(n) { - bind(n.expression); - if (n.kind === 207) { - hasExplicitReturn = true; - } - currentReachabilityState = 4; - } - function bindBreakOrContinueStatement(n) { - bind(n.label); - var isValidJump = jumpToLabel(n.label, n.kind === 206 ? currentReachabilityState : 4); - if (isValidJump) { - currentReachabilityState = 4; - } - } - function bindTryStatement(n) { - var preTryState = currentReachabilityState; - bind(n.tryBlock); - var postTryState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.catchClause); - var postCatchState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.finallyBlock); - currentReachabilityState = or(postTryState, postCatchState); - } - function bindSwitchStatement(n) { - var preSwitchState = currentReachabilityState; - var postSwitchLabel = pushImplicitLabel(); - bind(n.expression); - bind(n.caseBlock); - var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245; }); - var postSwitchState = hasDefault && currentReachabilityState !== 2 ? 4 : preSwitchState; - popImplicitLabel(postSwitchLabel, postSwitchState); - } - function bindCaseBlock(n) { - var startState = currentReachabilityState; - for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { - var clause = _a[_i]; - currentReachabilityState = startState; - bind(clause); - if (clause.statements.length && currentReachabilityState === 2 && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); - } - } - } - function bindLabeledStatement(n) { - bind(n.label); - var ok = pushNamedLabel(n.label); - bind(n.statement); - if (ok) { - popNamedLabel(n.label, currentReachabilityState); - } - } - function getContainerFlags(node) { - switch (node.kind) { - case 189: - case 217: - case 218: - case 220: - case 168: - case 156: - case 260: - return 1; - case 148: - case 149: - case 150: - case 144: - case 143: - case 216: - case 145: - case 146: - case 147: - case 153: - case 154: - case 176: - case 177: - case 221: - case 251: - case 219: - return 5; - case 247: - case 202: - case 203: - case 204: - case 223: - return 2; - case 195: - return ts.isFunctionLike(node.parent) ? 0 : 2; - } - return 0; - } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; - } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); - } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - case 221: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 251: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 189: - case 217: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 220: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 156: - case 168: - case 218: - case 260: - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 153: - case 154: - case 148: - case 149: - case 150: - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 176: - case 177: - case 264: - case 219: - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return node.flags & 64 - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 251 ? node : node.body; - if (body.kind === 251 || body.kind === 222) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 231 || stat.kind === 230) { - return true; - } - } - } - return false; - } - function setExportContextFlag(node) { - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 131072; - } - else { - node.flags &= ~131072; - } - } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (node.flags & 2) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - declareSymbolAndAddToSymbolTable(node, 512, 106639); - } - else { - var state = getModuleInstanceState(node); - if (state === 0) { - declareSymbolAndAddToSymbolTable(node, 1024, 0); - } - else { - declareSymbolAndAddToSymbolTable(node, 512, 106639); - if (node.symbol.flags & (16 | 32 | 256)) { - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2; - if (node.symbol.constEnumOnlyModule === undefined) { - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } - } - } - function bindFunctionOrConstructorType(node) { - var symbol = createSymbol(131072, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072); - var typeLiteralSymbol = createSymbol(2048, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048); - typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); - var _a; - } - function bindObjectLiteralExpression(node) { - if (inStrictMode) { - var seen = {}; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 69) { - continue; - } - var identifier = prop.name; - var currentKind = prop.kind === 248 || prop.kind === 249 || prop.kind === 144 - ? 1 - : 2; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 && existingKind === 1) { - var span = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } - } - } - return bindAnonymousDeclaration(node, 4096, "__object"); - } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); - } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 221: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 251: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = {}; - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2, 107455); - } - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 106 && - node.originalKeywordKind <= 114 && - !ts.isIdentifierName(node)) { - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } - } - function getStrictModeIdentifierMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; - } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - checkStrictModeEvalOrArguments(node, node.left); - } - } - function checkStrictModeCatchClause(node) { - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } - } - function checkStrictModeDeleteExpression(node) { - if (inStrictMode && node.expression.kind === 69) { - var span = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); - } - } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 69 && - (node.text === "eval" || node.text === "arguments"); - } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 69) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - var span = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); - } - } - } - function getStrictModeEvalOrArgumentsMessage(node) { - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; - } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.flags & 32768) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); - } - } - function checkStrictModePostfixUnaryExpression(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - function checkStrictModePrefixUnaryExpression(node) { - if (inStrictMode) { - if (node.operator === 41 || node.operator === 42) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - } - function checkStrictModeWithStatement(node) { - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); - } - } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); - } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); - } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var savedInStrictMode = inStrictMode; - if (!savedInStrictMode) { - updateStrictMode(node); - } - bindWorker(node); - bindChildren(node); - inStrictMode = savedInStrictMode; - } - function updateStrictMode(node) { - switch (node.kind) { - case 251: - case 222: - updateStrictModeStatementList(node.statements); - return; - case 195: - if (ts.isFunctionLike(node.parent)) { - updateStrictModeStatementList(node.statements); - } - return; - case 217: - case 189: - inStrictMode = true; - return; - } - } - function updateStrictModeStatementList(statements) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } - } - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - return nodeText === "\"use strict\"" || nodeText === "'use strict'"; - } - function bindWorker(node) { - switch (node.kind) { - case 69: - return checkStrictModeIdentifier(node); - case 184: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1: - bindExportsPropertyAssignment(node); - break; - case 2: - bindModuleExportsAssignment(node); - break; - case 3: - bindPrototypePropertyAssignment(node); - break; - case 4: - bindThisPropertyAssignment(node); - break; - case 0: - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 247: - return checkStrictModeCatchClause(node); - case 178: - return checkStrictModeDeleteExpression(node); - case 8: - return checkStrictModeNumericLiteral(node); - case 183: - return checkStrictModePostfixUnaryExpression(node); - case 182: - return checkStrictModePrefixUnaryExpression(node); - case 208: - return checkStrictModeWithStatement(node); - case 162: - seenThisKeyword = true; - return; - case 151: - return checkTypePredicate(node); - case 138: - return declareSymbolAndAddToSymbolTable(node, 262144, 530912); - case 139: - return bindParameter(node); - case 214: - case 166: - return bindVariableDeclarationOrBindingElement(node); - case 142: - case 141: - case 261: - return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 107455); - case 248: - case 249: - return bindPropertyOrMethodOrAccessor(node, 4, 107455); - case 250: - return bindPropertyOrMethodOrAccessor(node, 8, 107455); - case 148: - case 149: - case 150: - return declareSymbolAndAddToSymbolTable(node, 131072, 0); - case 144: - case 143: - return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 107455 : 99263); - case 216: - return bindFunctionDeclaration(node); - case 145: - return declareSymbolAndAddToSymbolTable(node, 16384, 0); - case 146: - return bindPropertyOrMethodOrAccessor(node, 32768, 41919); - case 147: - return bindPropertyOrMethodOrAccessor(node, 65536, 74687); - case 153: - case 154: - case 264: - return bindFunctionOrConstructorType(node); - case 156: - case 260: - return bindAnonymousDeclaration(node, 2048, "__type"); - case 168: - return bindObjectLiteralExpression(node); - case 176: - case 177: - return bindFunctionExpression(node); - case 171: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - case 189: - case 217: - return bindClassLikeDeclaration(node); - case 218: - return bindBlockScopedDeclaration(node, 64, 792960); - case 219: - return bindBlockScopedDeclaration(node, 524288, 793056); - case 220: - return bindEnumDeclaration(node); - case 221: - return bindModuleDeclaration(node); - case 224: - case 227: - case 229: - case 233: - return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - case 226: - return bindImportClause(node); - case 231: - return bindExportDeclaration(node); - case 230: - return bindExportAssignment(node); - case 251: - return bindSourceFileIfExternalModule(); - } - } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 69) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 162) { - seenThisKeyword = true; - } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); - } - } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); - } - function bindExportAssignment(node) { - var boundExpression = node.kind === 230 ? node.expression : node.right; - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); - } - else if (boundExpression.kind === 69 && node.kind === 230) { - declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 107455 | 8388608); - } - else { - declareSymbol(container.symbol.exports, container.symbol, node, 4, 107455 | 8388608); - } - } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); - } - else if (!node.exportClause) { - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); - } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); - } - } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - bindSourceFileAsExternalModule(); - } - } - function bindExportsPropertyAssignment(node) { - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); - } - function bindModuleExportsAssignment(node) { - setCommonJsModuleIndicator(node); - bindExportAssignment(node); - } - function bindThisPropertyAssignment(node) { - if (container.kind === 176 || container.kind === 216) { - container.symbol.members = container.symbol.members || {}; - declareSymbol(container.symbol.members, container.symbol, node, 4, 107455 & ~4); - } - } - function bindPrototypePropertyAssignment(node) { - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16)) { - return; - } - if (!funcSymbol.members) { - funcSymbol.members = {}; - } - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 107455); - } - function bindCallExpression(node) { - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { - setCommonJsModuleIndicator(node); - } - } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - hasClassExtends = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - if (node.kind === 217) { - bindBlockScopedDeclaration(node, 32, 899519); - } - else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32, bindingName); - if (node.name) { - classifiableNames[node.name.text] = node.name.text; - } - } - var symbol = node.symbol; - var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); - if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { - if (node.name) { - node.name.parent = node; - } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); - } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; - } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128, 899967) - : bindBlockScopedDeclaration(node, 256, 899327); - } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107454); - } - } - } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - hasDecorators = true; - hasParameterDecorators = true; - } - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1, 107455); - } - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4, 107455); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - return declareSymbolAndAddToSymbolTable(node, 16, 106927); - } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16, bindingName); - } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); - } - function pushNamedLabel(name) { - initializeReachabilityStateIfNecessary(); - if (ts.hasProperty(labelIndexMap, name.text)) { - return false; - } - labelIndexMap[name.text] = labelStack.push(1) - 1; - return true; - } - function pushImplicitLabel() { - initializeReachabilityStateIfNecessary(); - var index = labelStack.push(1) - 1; - implicitLabels.push(index); - return index; - } - function popNamedLabel(label, outerState) { - var index = labelIndexMap[label.text]; - ts.Debug.assert(index !== undefined); - ts.Debug.assert(labelStack.length == index + 1); - labelIndexMap[label.text] = undefined; - setCurrentStateAtLabel(labelStack.pop(), outerState, label); - } - function popImplicitLabel(implicitLabelIndex, outerState) { - if (labelStack.length !== implicitLabelIndex + 1) { - ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); - } - var i = implicitLabels.pop(); - if (implicitLabelIndex !== i) { - ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); - } - setCurrentStateAtLabel(labelStack.pop(), outerState, undefined); - } - function setCurrentStateAtLabel(innerMergedState, outerState, label) { - if (innerMergedState === 1) { - if (label && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); - } - currentReachabilityState = outerState; - } - else { - currentReachabilityState = or(innerMergedState, outerState); - } - } - function jumpToLabel(label, outerState) { - initializeReachabilityStateIfNecessary(); - var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); - if (index === undefined) { - return false; - } - var stateAtLabel = labelStack[index]; - labelStack[index] = stateAtLabel === 1 ? outerState : or(stateAtLabel, outerState); - return true; - } - function checkUnreachable(node) { - switch (currentReachabilityState) { - case 4: - var reportError = (ts.isStatement(node) && node.kind !== 197) || - node.kind === 217 || - (node.kind === 221 && shouldReportErrorOnModuleDeclaration(node)) || - (node.kind === 220 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentReachabilityState = 8; - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 196 || - ts.getCombinedNodeFlags(node.declarationList) & 24576 || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); - } - } - case 8: - return true; - default: - return false; - } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); - } - } - function initializeReachabilityStateIfNecessary() { - if (labelIndexMap) { - return; - } - currentReachabilityState = 2; - labelIndexMap = {}; - labelStack = []; - implicitLabels = []; - } - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; - } - return node.id; - } - ts.getNodeId = getNodeId; - ts.checkTime = 0; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; - } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = {}; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var unknownSymbol = createSymbol(4 | 67108864, "unknown"); - var resolvingSymbol = createSymbol(67108864, "__resolving__"); - var anyType = createIntrinsicType(1, "any"); - var stringType = createIntrinsicType(2, "string"); - var numberType = createIntrinsicType(4, "number"); - var booleanType = createIntrinsicType(8, "boolean"); - var esSymbolType = createIntrinsicType(16777216, "symbol"); - var voidType = createIntrinsicType(16, "void"); - var undefinedType = createIntrinsicType(32 | 2097152, "undefined"); - var nullType = createIntrinsicType(64 | 2097152, "null"); - var unknownType = createIntrinsicType(1, "unknown"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyUnionType = emptyObjectType; - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = {}; - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - anyFunctionType.flags |= 8388608; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, emptyArray, anyType, undefined, 0, false, false); - var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); - var globals = {}; - var globalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var globalTemplateStringsArrayType; - var globalESSymbolType; - var globalIterableType; - var globalIteratorType; - var globalIterableIteratorType; - var anyArrayType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var tupleTypes = {}; - var unionTypes = {}; - var intersectionTypes = {}; - var stringLiteralTypes = {}; - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var primitiveTypeInfo = { - "string": { - type: stringType, - flags: 258 - }, - "number": { - type: numberType, - flags: 132 - }, - "boolean": { - type: booleanType, - flags: 8 - }, - "symbol": { - type: esSymbolType, - flags: 16777216 - }, - "undefined": { - type: undefinedType, - flags: 2097152 - } - }; - var jsxElementType; - var jsxTypes = {}; - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = {}; - var assignableRelation = {}; - var identityRelation = {}; - var _displayBuilder; - var builtinGlobals = (_a = {}, - _a[undefinedSymbol.name] = undefinedSymbol, - _a - ); - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; - } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); - } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2) - result |= 107455; - if (flags & 1) - result |= 107454; - if (flags & 4) - result |= 107455; - if (flags & 8) - result |= 107455; - if (flags & 16) - result |= 106927; - if (flags & 32) - result |= 899519; - if (flags & 64) - result |= 792960; - if (flags & 256) - result |= 899327; - if (flags & 128) - result |= 899967; - if (flags & 512) - result |= 106639; - if (flags & 8192) - result |= 99263; - if (flags & 32768) - result |= 41919; - if (flags & 65536) - result |= 74687; - if (flags & 262144) - result |= 530912; - if (flags & 524288) - result |= 793056; - if (flags & 8388608) - result |= 8388608; - return result; - } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; - } - mergedSymbols[source.mergeId] = target; - } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = cloneSymbolTable(symbol.members); - if (symbol.exports) - result.exports = cloneSymbolTable(symbol.exports); - recordMergedSymbol(result, symbol); - return result; - } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - target.constEnumOnlyModule = false; - } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 221 && source.valueDeclaration.kind !== 221))) { - target.valueDeclaration = source.valueDeclaration; - } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = {}; - mergeSymbolTable(target.members, source.members); - } - if (source.exports) { - if (!target.exports) - target.exports = {}; - mergeSymbolTable(target.exports, source.exports); - } - recordMergedSymbol(target, source); - } - else { - var message_2 = target.flags & 2 || source.flags & 2 - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - } - } - function cloneSymbolTable(symbolTable) { - var result = {}; - for (var id in symbolTable) { - if (ts.hasProperty(symbolTable, id)) { - result[id] = symbolTable[id]; - } - } - return result; - } - function mergeSymbolTable(target, source) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (!ts.hasProperty(target, id)) { - target[id] = source[id]; - } - else { - var symbol = target[id]; - if (!(symbol.flags & 33554432)) { - target[id] = symbol = cloneSymbol(symbol); - } - mergeSymbol(symbol, source[id]); - } - } - } - } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); - return; - } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); - if (!mainModule) { - return; - } - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1536) { - mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } - } - } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (ts.hasProperty(target, id)) { - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } - } - } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; - } - } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); - } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); - } - function isGlobalSourceFile(node) { - return node.kind === 251 && !ts.isExternalOrCommonJsModule(node); - } - function getSymbol(symbols, name, meaning) { - if (meaning && ts.hasProperty(symbols, name)) { - var symbol = symbols[name]; - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608) { - var target = resolveAlias(symbol); - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } - } - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructoDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; - } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); - } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - return declaration.kind !== 214 || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - if (declaration.parent.parent.kind === 196 || - declaration.parent.parent.kind === 202) { - return isSameScopeDescendentOf(usage, declaration, container); - } - else if (declaration.parent.parent.kind === 204 || - declaration.parent.parent.kind === 203) { - var expression = declaration.parent.parent.expression; - return isSameScopeDescendentOf(usage, expression, container); - } - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 142 && - (current.parent.flags & 64) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; - } - } - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - loop: while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - if (meaning & result.flags & 793056 && lastLocation.kind !== 268) { - useResult = result.flags & 262144 - ? lastLocation === location.type || - lastLocation.kind === 139 || - lastLocation.kind === 138 - : false; - } - if (meaning & 107455 && result.flags & 1) { - useResult = - lastLocation.kind === 139 || - (lastLocation === location.type && - result.valueDeclaration.kind === 139); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location)) - break; - case 221: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 251 || ts.isAmbientModule(location)) { - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - if (ts.hasProperty(moduleExports, name) && - moduleExports[name].flags === 8388608 && - ts.getDeclarationOfKind(moduleExports[name], 233)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931)) { - break loop; - } - break; - case 220: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { - break loop; - } - break; - case 142: - case 141: - if (ts.isClassLike(location.parent) && !(location.flags & 64)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455)) { - propertyWithInvalidInitializer = location; - } - } - } - break; - case 217: - case 189: - case 218: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056)) { - if (lastLocation && lastLocation.flags & 64) { - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 189 && meaning & 32) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - case 137: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 218) { - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 177: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 176: - if (meaning & 3 && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 140: - if (location.parent && location.parent.kind === 139) { - location = location.parent; - } - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (!result) { - result = getSymbol(globals, name, meaning); - } - if (!result) { - if (nameNotFoundMessage) { - if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; - } - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - if (meaning & 2) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - } - return result; - } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if (!errorLocation || (errorLocation.kind === 69 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; - } - var container = ts.getThisContainer(errorLocation, true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - if (location === container && !(location.flags & 64)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; - } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2) !== 0); - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); - } - } - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; - } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { - return true; - } - } - return false; - } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 224) { - return node; - } - while (node && node.kind !== 225) { - node = node.parent; - } - return node; - } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 235) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); - } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); - } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); - } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - return exportDefaultSymbol; - } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793056 | 1536)) { - return valueSymbol; - } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; - } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536) { - var exports_1 = getExportsOfSymbol(symbol); - if (ts.hasProperty(exports_1, name)) { - return resolveSymbol(exports_1[name]); - } - } - } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } - } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_9 = specifier.propertyName || specifier.name; - if (name_9.text) { - var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); - var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); - } - return symbol; - } - } - } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536); - } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 | 793056 | 1536); - } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 224: - return getTargetOfImportEqualsDeclaration(node); - case 226: - return getTargetOfImportClause(node); - case 227: - return getTargetOfNamespaceImport(node); - case 229: - return getTargetOfImportSpecifier(node); - case 233: - return getTargetOfExportSpecifier(node); - case 230: - return getTargetOfExportAssignment(node); - } - } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793056 | 1536)) ? resolveAlias(symbol) : symbol; - } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; - } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || - (target !== unknownSymbol && (target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } - } - } - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - if (node.kind === 230) { - checkExpressionCached(node.expression); - } - else if (node.kind === 233) { - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - checkExpressionCached(node.moduleReference); - } - } - } - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { - if (!importDeclaration) { - importDeclaration = ts.getAncestor(entityName, 224); - ts.Debug.assert(importDeclaration !== undefined); - } - if (entityName.kind === 69 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (entityName.kind === 69 || entityName.parent.kind === 136) { - return resolveEntityName(entityName, 1536); - } - else { - ts.Debug.assert(entityName.parent.kind === 224); - return resolveEntityName(entityName, 107455 | 793056 | 1536); - } - } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); - } - function resolveEntityName(name, meaning, ignoreErrors) { - if (ts.nodeIsMissing(name)) { - return undefined; - } - var symbol; - if (name.kind === 69) { - var message = meaning === 1536 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } - } - else if (name.kind === 136 || name.kind === 169) { - var left = name.kind === 136 ? name.left : name.expression; - var right = name.kind === 136 ? name.right : name.name; - var namespace = resolveEntityName(left, 1536, ignoreErrors); - if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { - return undefined; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } - } - else { - ts.Debug.fail("Unknown entity name kind."); - } - ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); - return symbol.flags & meaning ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); - } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512); - if (symbol) { - return getMergedSymbol(symbol); - } - } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; - } - if (moduleNotFoundError) { - error(moduleReferenceLiteral, moduleNotFoundError, moduleName); - } - return undefined; - } - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; - } - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 | 3))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; - } - return symbol; - } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; - } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); - } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; - } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); - } - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !ts.hasProperty(target, id)) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } - } - } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - return visit(moduleSymbol) || moduleSymbol.exports; - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = cloneSymbolTable(symbol.exports); - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = {}; - var lookupTable = {}; - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; - } - } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); - } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); - } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; - } - function symbolIsValue(symbol) { - if (symbol.flags & 16777216) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - if (symbol.flags & 107455) { - return true; - } - if (symbol.flags & 8388608) { - return (resolveAlias(symbol).flags & 107455) !== 0; - } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 145 && ts.nodeIsPresent(member.body)) { - return member; - } - } - } - function createType(flags) { - var result = new Type(checker, flags); - result.id = typeCount; - typeCount++; - return result; - } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; - } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; - } - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 && - name.charCodeAt(1) === 95 && - name.charCodeAt(2) !== 95 && - name.charCodeAt(2) !== 64; - } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (ts.hasProperty(members, id)) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } - } - } - } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexType) - type.stringIndexType = stringIndexType; - if (numberIndexType) - type.numberIndexType = numberIndexType; - return type; - } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - return setObjectTypeMembers(createObjectType(65536, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; - } - } - switch (location_1.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; - } - case 221: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; - } - break; - case 217: - case 218: - if (result = callback(getSymbolOfNode(location_1).members)) { - return result; - } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - return rightMeaning === 107455 ? 107455 : 1536; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; - } - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); - } - } - if (isAccessible(ts.lookUp(symbols, symbol.name))) { - return [symbol]; - } - return ts.forEachValue(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) { - if (!useOnlyExternalAliasing || - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } - } - } - }); - } - if (symbol) { - return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); - } - } - function needsQualification(symbol, enclosingDeclaration, meaning) { - var qualify = false; - forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { - if (!ts.hasProperty(symbolTable, symbol.name)) { - return false; - } - var symbolFromSymbolTable = symbolTable[symbol.name]; - if (symbolFromSymbolTable === symbol) { - return true; - } - symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; - if (symbolFromSymbolTable.flags & meaning) { - qualify = true; - return true; - } - return false; - }); - return qualify; - } - function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { - if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { - var initialSymbol = symbol; - var meaningToLook = meaning; - while (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); - if (accessibleSymbolChain) { - var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); - if (!hasAccessibleDeclarations) { - return { - accessibility: 1, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536) : undefined - }; - } - return hasAccessibleDeclarations; - } - meaningToLook = getQualifiedLeftMeaning(meaning); - symbol = getParentOfSymbol(symbol); - } - var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); - if (symbolExternalModule) { - var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); - if (symbolExternalModule !== enclosingExternalModule) { - return { - accessibility: 2, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbolToString(symbolExternalModule) - }; - } - } - return { - accessibility: 1, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) - }; - } - return { accessibility: 0 }; - function getExternalModuleContainer(declaration) { - for (; declaration; declaration = declaration.parent) { - if (hasExternalModuleSymbol(declaration)) { - return getSymbolOfNode(declaration); - } - } - } - } - function hasExternalModuleSymbol(declaration) { - return ts.isAmbientModule(declaration) || (declaration.kind === 251 && ts.isExternalOrCommonJsModule(declaration)); - } - function hasVisibleDeclarations(symbol) { - var aliasesToMakeVisible; - if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { - return undefined; - } - return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; - function getIsDeclarationVisible(declaration) { - if (!isDeclarationVisible(declaration)) { - var anyImportSyntax = getAnyImportSyntax(declaration); - if (anyImportSyntax && - !(anyImportSyntax.flags & 2) && - isDeclarationVisible(anyImportSyntax.parent)) { - getNodeLinks(declaration).isVisible = true; - if (aliasesToMakeVisible) { - if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { - aliasesToMakeVisible.push(anyImportSyntax); - } - } - else { - aliasesToMakeVisible = [anyImportSyntax]; - } - return true; - } - return false; - } - return true; - } - } - function isEntityNameVisible(entityName, enclosingDeclaration) { - var meaning; - if (entityName.parent.kind === 155) { - meaning = 107455 | 1048576; - } - else if (entityName.kind === 136 || entityName.kind === 169 || - entityName.parent.kind === 224) { - meaning = 1536; - } - else { - meaning = 793056; - } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); - return (symbol && hasVisibleDeclarations(symbol)) || { - accessibility: 1, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; - } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 161) { - node = node.parent; - } - if (node.kind === 219) { - return getSymbolOfNode(node); - } - } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 222 && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 189: - return "(Anonymous class)"; - case 176: - case 177: - return "(Anonymous function)"; - } - } - return symbol.name; - } - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); - } - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - if (flags & 1) { - if (symbol.flags & 16777216) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } - } - writePunctuation(writer, 21); - } - parentSymbol = symbol; - appendSymbolNameOnly(symbol, writer); - } - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning) { - if (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); - } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); - } - } - else { - if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { - return; - } - if (symbol.flags & 2048 || symbol.flags & 4096) { - return; - } - appendParentTypeArgumentsAndSymbolName(symbol); - } - } - } - var isTypeParameter = symbol.flags & 262144; - var typeFormatFlag = 128 & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning); - return; - } - return appendParentTypeArgumentsAndSymbolName(symbol); - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - if (type.flags & 16777343) { - writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 33554432) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 4096) { - writeTypeReference(type, flags); - } - else if (type.flags & (1024 | 2048 | 128 | 512)) { - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056, 0, flags); - } - else if (type.flags & 8192) { - writeTupleType(type); - } - else if (type.flags & 49152) { - writeUnionOrIntersectionType(type, flags); - } - else if (type.flags & 65536) { - writeAnonymousType(type, flags); - } - else if (type.flags & 256) { - writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); - } - else { - writePunctuation(writer, 15); - writeSpace(writer); - writePunctuation(writer, 22); - writeSpace(writer); - writePunctuation(writer, 16); - } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 24) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 24 ? 0 : 64); - } - } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056, 0, flags); - } - if (pos < end) { - writePunctuation(writer, 25); - writeType(typeArguments[pos], 0); - pos++; - while (pos < end) { - writePunctuation(writer, 24); - writeSpace(writer); - writeType(typeArguments[pos], 0); - pos++; - } - writePunctuation(writer, 27); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1)) { - writeType(typeArguments[0], 64); - writePunctuation(writer, 19); - writePunctuation(writer, 20); - } - else { - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - var start = i; - var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); - writePunctuation(writer, 21); - } - } - } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); - } - } - function writeTupleType(type) { - writePunctuation(writer, 19); - writeTypeList(type.elementTypes, 24); - writePunctuation(writer, 20); - } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64) { - writePunctuation(writer, 17); - } - writeTypeList(type.types, type.flags & 16384 ? 47 : 46); - if (flags & 64) { - writePunctuation(writer, 18); - } - } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - if (symbol.flags & (32 | 384 | 512)) { - writeTypeofSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeofSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056, 0, flags); - } - else { - writeKeyword(writer, 117); - } - } - else { - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); - } - } - else { - writeLiteralType(type, flags); - } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 && - ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 251 || declaration.parent.kind === 222; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - return !!(flags & 2) || - (ts.contains(symbolStack, symbol)); - } - } - } - function writeTypeofSymbol(type, typeFormatFlags) { - writeKeyword(writer, 101); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); - } - function getIndexerParameterName(type, indexKind, fallbackName) { - var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); - if (!declaration) { - return fallbackName; - } - ts.Debug.assert(declaration.parameters.length !== 0); - return ts.declarationNameToString(declaration.parameters[0].name); - } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 15); - writePunctuation(writer, 16); - return; - } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 17); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 18); - } - return; - } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64) { - writePunctuation(writer, 17); - } - writeKeyword(writer, 92); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); - if (flags & 64) { - writePunctuation(writer, 18); - } - return; - } - } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 15); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - if (resolved.stringIndexType) { - writePunctuation(writer, 19); - writer.writeParameter(getIndexerParameterName(resolved, 0, "x")); - writePunctuation(writer, 54); - writeSpace(writer); - writeKeyword(writer, 130); - writePunctuation(writer, 20); - writePunctuation(writer, 54); - writeSpace(writer); - writeType(resolved.stringIndexType, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - if (resolved.numberIndexType) { - writePunctuation(writer, 19); - writer.writeParameter(getIndexerParameterName(resolved, 1, "x")); - writePunctuation(writer, 54); - writeSpace(writer); - writeKeyword(writer, 128); - writePunctuation(writer, 20); - writePunctuation(writer, 54); - writeSpace(writer); - writeType(resolved.numberIndexType, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - buildSymbolDisplay(p, writer); - if (p.flags & 536870912) { - writePunctuation(writer, 53); - } - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); - writePunctuation(writer, 23); - writer.writeLine(); - } - } - else { - buildSymbolDisplay(p, writer); - if (p.flags & 536870912) { - writePunctuation(writer, 53); - } - writePunctuation(writer, 54); - writeSpace(writer); - writeType(t, 0); - writePunctuation(writer, 23); - writer.writeLine(); - } - } - writer.decreaseIndent(); - writePunctuation(writer, 16); - inObjectTypeLiteral = saveInObjectTypeLiteral; - } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); - } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 83); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 22); - } - appendSymbolNameOnly(p, writer); - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 53); - } - writePunctuation(writer, 54); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); - } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 27); - } - } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0); - } - writePunctuation(writer, 27); - } - } - function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 17); - for (var i = 0; i < parameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24); - writeSpace(writer); - } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 18); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 97); - } - writeSpace(writer); - writeKeyword(writer, 124); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); - } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8) { - writeSpace(writer); - writePunctuation(writer, 34); - } - else { - writePunctuation(writer, 54); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1) { - writeKeyword(writer, 92); - writeSpace(writer); - } - if (signature.target && (flags & 32)) { - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); - } - else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); - } - buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); - } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); - } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 166: - return isDeclarationVisible(node.parent.parent); - case 214: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - return false; - } - case 221: - case 217: - case 218: - case 219: - case 216: - case 220: - case 224: - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_5 = getDeclarationContainer(node); - if (!(ts.getCombinedNodeFlags(node) & 2) && - !(node.kind !== 224 && parent_5.kind !== 251 && ts.isInAmbientContext(parent_5))) { - return isGlobalSourceFile(parent_5); - } - return isDeclarationVisible(parent_5); - case 142: - case 141: - case 146: - case 147: - case 144: - case 143: - if (node.flags & (16 | 32)) { - return false; - } - case 145: - case 149: - case 148: - case 150: - case 139: - case 222: - case 153: - case 154: - case 156: - case 152: - case 157: - case 158: - case 159: - case 160: - case 161: - return isDeclarationVisible(node.parent); - case 226: - case 227: - case 229: - return false; - case 138: - case 251: - return true; - case 230: - return false; - default: - ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); - } - } - } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 230) { - exportSymbol = resolveName(node.parent, node.text, 107455 | 793056 | 1536 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 233) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793056 | 1536 | 8388608); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); - } - } - }); - } - } - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; - } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; - } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; - } - } - return -1; - } - function hasType(target, propertyName) { - if (propertyName === 0) { - return getSymbolLinks(target).type; - } - if (propertyName === 2) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1) { - ts.Debug.assert(!!(target.flags & 1024)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); - } - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); - } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 214: - case 215: - case 229: - case 228: - case 227: - case 226: - node = node.parent; - break; - default: - return node.parent; - } - } - } - function getTypeOfPrototypeProperty(prototype) { - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; - } - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; - } - function isTypeAny(type) { - return type && (type.flags & 1) !== 0; - } - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); - } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 69: - return name.text; - case 9: - case 8: - return name.text; - case 137: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } - } - return undefined; - } - function isComputedNonLiteralName(name) { - return name.kind === 137 && !ts.isStringOrNumericLiteral(name.expression.kind); - } - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - if (parentType === unknownType) { - return unknownType; - } - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - return parentType; - } - var type; - if (pattern.kind === 164) { - var name_10 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_10)) { - return anyType; - } - var text = getTextOfPropertyName(name_10); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || - getIndexTypeOfType(parentType, 0); - if (!type) { - error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); - return unknownType; - } - } - else { - var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); - if (!declaration.dotDotDotToken) { - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); - } - return unknownType; - } - } - else { - type = createArrayType(elementType); - } - } - return type; - } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } - } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; - } - if (declaration.kind === 214 && - declaration.parent.kind === 215 && - declaration.parent.parent.kind === 196) { - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; - } - } - else if (declaration.kind === 139) { - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; - } - } - return undefined; - } - function getTypeForVariableLikeDeclaration(declaration) { - if (declaration.parserContextFlags & 32) { - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; - } - } - if (declaration.parent.parent.kind === 203) { - return stringType; - } - if (declaration.parent.parent.kind === 204) { - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; - } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); - } - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139) { - var func = declaration.parent; - if (func.kind === 147 && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146); - if (getter) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); - } - } - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - if (declaration.kind === 249) { - return checkIdentifier(declaration.name); - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, false); - } - return undefined; - } - function getTypeFromBindingElement(element, includePatternInType) { - if (element.initializer) { - return getWidenedType(checkExpressionCached(element.initializer)); - } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType); - } - return anyType; - } - function getTypeFromObjectBindingPattern(pattern, includePatternInType) { - var members = {}; - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.flags |= 67108864; - } - return result; - } - function getTypeFromArrayBindingPattern(pattern, includePatternInType) { - var elements = pattern.elements; - if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { - return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; - } - var elementTypes = ts.map(elements, function (e) { return e.kind === 190 ? anyType : getTypeFromBindingElement(e, includePatternInType); }); - if (includePatternInType) { - var result = createNewTupleType(elementTypes); - result.pattern = pattern; - return result; - } - return createTupleType(elementTypes); - } - function getTypeFromBindingPattern(pattern, includePatternInType) { - return pattern.kind === 164 - ? getTypeFromObjectBindingPattern(pattern, includePatternInType) - : getTypeFromArrayBindingPattern(pattern, includePatternInType); - } - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - if (declaration.kind === 248) { - return type; - } - return getWidenedType(type); - } - type = declaration.dotDotDotToken ? anyArrayType : anyType; - if (reportErrors && compilerOptions.noImplicitAny) { - var root = ts.getRootDeclaration(declaration); - if (!isPrivateWithinAmbient(root) && !(root.kind === 139 && isPrivateWithinAmbient(root.parent))) { - reportImplicitAnyError(declaration, type); - } - } - return type; - } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (symbol.flags & 134217728) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 247) { - return links.type = anyType; - } - if (declaration.kind === 230) { - return links.type = checkExpression(declaration.expression); - } - if (declaration.kind === 184) { - return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); - } - if (declaration.kind === 169) { - if (declaration.parent.kind === 184) { - return links.type = checkExpressionCached(declaration.parent.right); - } - } - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var type = getWidenedTypeForVariableLikeDeclaration(declaration, true); - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } - } - } - links.type = type; - } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 146) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } - } - return undefined; - } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (!pushTypeResolution(symbol, 0)) { - return unknownType; - } - var getter = ts.getDeclarationOfKind(symbol, 146); - var setter = ts.getDeclarationOfKind(symbol, 147); - var type = void 0; - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 146); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); - } - } - links.type = type; - } - return links.type; - } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = createObjectType(65536, symbol); - } - return links.type; - } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - } - return links.type; - } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - links.type = targetSymbol.flags & 107455 - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; - } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); - } - return links.type; - } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 | 4)) { - return getTypeOfVariableOrParameterOrProperty(symbol); - } - if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { - return getTypeOfFuncClassEnumModule(symbol); - } - if (symbol.flags & 8) { - return getTypeOfEnumMember(symbol); - } - if (symbol.flags & 98304) { - return getTypeOfAccessors(symbol); - } - if (symbol.flags & 8388608) { - return getTypeOfAlias(symbol); - } - return unknownType; - } - function getTargetType(type) { - return type.flags & 4096 ? type.target : type; - } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); - } - } - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } - } - return typeParameters; - } - function appendOuterTypeParameters(typeParameters, node) { - while (true) { - node = node.parent; - if (!node) { - return typeParameters; - } - if (node.kind === 217 || node.kind === 189 || - node.kind === 216 || node.kind === 176 || - node.kind === 144 || node.kind === 177) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } - } - } - } - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218); - return appendOuterTypeParameters(undefined, declaration); - } - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 218 || node.kind === 217 || - node.kind === 189 || node.kind === 219) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } - } - return result; - } - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); - } - function isConstructorType(type) { - return type.flags & 80896 && getSignaturesOfType(type, 1).length > 0; - } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); - } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); - } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); - } - return signatures; - } - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 80896) { - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; - } - type.resolvedBaseConstructorType = baseConstructorType; - } - return type.resolvedBaseConstructorType; - } - function getBaseTypes(type) { - var isClass = type.symbol.flags & 32; - var isInterface = type.symbol.flags & 64; - if (!type.resolvedBaseTypes) { - if (!isClass && !isInterface) { - ts.Debug.fail("type must be class or interface"); - } - if (isClass) { - resolveBaseTypesOfClass(type); - } - if (isInterface) { - resolveBaseTypesOfInterface(type); - } - } - return type.resolvedBaseTypes; - } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 80896)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && - areAllOuterTypeParametersApplied(originalBaseType)) { - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); - } - else { - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; - } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (1024 | 2048))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; - } - return true; - } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (1024 | 2048)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } - } - } - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218) { - if (declaration.flags & 262144) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isSupportedExpressionWithTypeArguments(node)) { - var baseSymbol = resolveEntityName(node.expression, 793056, true); - if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } - } - } - } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 ? 1024 : 2048; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (outerTypeParameters || localTypeParameters || kind === 1024 || !isIndependentInterface(symbol)) { - type.flags |= 4096; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = {}; - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(512 | 33554432); - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - if (!pushTypeResolution(symbol, 2)) { - return unknownType; - } - var declaration = ts.getDeclarationOfKind(symbol, 219); - var type = getTypeFromTypeNode(declaration.type); - if (popTypeResolution()) { - links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (links.typeParameters) { - links.instantiations = {}; - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(128); - type.symbol = symbol; - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(512); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 138).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; - } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216) === 0); - if (symbol.flags & (32 | 64)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288) { - return getDeclaredTypeOfTypeAlias(symbol); - } - if (symbol.flags & 384) { - return getDeclaredTypeOfEnum(symbol); - } - if (symbol.flags & 262144) { - return getDeclaredTypeOfTypeParameter(symbol); - } - if (symbol.flags & 8388608) { - return getDeclaredTypeOfAlias(symbol); - } - return unknownType; - } - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; - } - } - } - return true; - } - function isIndependentType(node) { - switch (node.kind) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 163: - return true; - case 157: - return isIndependentType(node.elementType); - case 152: - return isIndependentTypeReference(node); - } - return false; - } - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; - } - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 145 && (!node.type || !isIndependentType(node.type))) { - return false; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; - } - } - return true; - } - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 142: - case 141: - return isIndependentVariableLikeDeclaration(declaration); - case 144: - case 143: - case 145: - return isIndependentFunctionLikeDeclaration(declaration); - } - } - } - return false; - } - function createSymbolTable(symbols) { - var result = {}; - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; - } - return result; - } - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = {}; - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; - } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!ts.hasProperty(symbols, s.name)) { - symbols[s.name] = s; - } - } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0); - type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1); - } - return type; - } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 4096) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); - } - return type; - } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper = identityMapper; - var members = source.symbol.members; - var callSignatures = source.declaredCallSignatures; - var constructSignatures = source.declaredConstructSignatures; - var stringIndexType = source.declaredStringIndexType; - var numberIndexType = source.declaredNumberIndexType; - if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexType = instantiateType(source.declaredStringIndexType, mapper); - numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); - } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); - stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0); - numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1); - } - } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); - } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); - } - function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasStringLiterals = hasStringLiterals; - return sig; - } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); - } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, undefined, 0, false, false)]; - } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); - } - } - return result; - } - function createTupleTypeMemberSymbols(memberTypes) { - var members = {}; - for (var i = 0; i < memberTypes.length; i++) { - var symbol = createSymbol(4 | 67108864, "" + i); - symbol.type = memberTypes[i]; - members[i] = symbol; - } - return members; - } - function resolveTupleTypeMembers(type) { - var arrayElementType = getUnionType(type.elementTypes, true); - var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); - var members = createTupleTypeMemberSymbols(type.elementTypes); - addInheritedMembers(members, arrayType.properties); - setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); - } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } - } - } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - if (listIndex > 0) { - return undefined; - } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, false, false)) { - return undefined; - } - } - return [signature]; - } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true); - if (!match) { - return undefined; - } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); - } - } - return result; - } - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - if (!result || !findMatchingSignature(result, signature, false, true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } - } - } - } - return result || emptyArray; - } - function getUnionIndexType(types, kind) { - var indexTypes = []; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexType = getIndexTypeOfType(type, kind); - if (!indexType) { - return undefined; - } - indexTypes.push(indexType); - } - return getUnionType(indexTypes); - } - function resolveUnionTypeMembers(type) { - var callSignatures = getUnionSignatures(type.types, 0); - var constructSignatures = getUnionSignatures(type.types, 1); - var stringIndexType = getUnionIndexType(type.types, 0); - var numberIndexType = getUnionIndexType(type.types, 1); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); - } - function resolveIntersectionTypeMembers(type) { - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexType = undefined; - var numberIndexType = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); - stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0)); - numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1)); - } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); - var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0), type.mapper); - var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else if (symbol.flags & 2048) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexType = getIndexTypeOfSymbol(symbol, 0); - var numberIndexType = getIndexTypeOfSymbol(symbol, 1); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else { - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 80896) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexType = (symbol.flags & 384) ? stringType : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); - if (symbol.flags & (16 | 8192)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } - } - } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 4096) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (1024 | 2048)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 65536) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 8192) { - resolveTupleTypeMembers(type); - } - else if (type.flags & 16384) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 32768) { - resolveIntersectionTypeMembers(type); - } - } - return type; - } - function getPropertiesOfObjectType(type) { - if (type.flags & 80896) { - return resolveStructuredTypeMembers(type).properties; - } - return emptyArray; - } - function getPropertyOfObjectType(type, name) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - } - } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getPropertyOfUnionOrIntersectionType(type, prop.name); - } - if (type.flags & 16384) { - break; - } - } - return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 49152 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); - } - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 512) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); - } - return type.resolvedApparentType; - } - function getApparentType(type) { - if (type.flags & 512) { - type = getApparentTypeOfTypeParameter(type); - } - if (type.flags & 258) { - type = globalStringType; - } - else if (type.flags & 132) { - type = globalNumberType; - } - else if (type.flags & 8) { - type = globalBooleanType; - } - else if (type.flags & 16777216) { - type = globalESSymbolType; - } - return type; - } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - var commonFlags = (containingType.flags & 32768) ? 536870912 : 0; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 | 32))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - } - else if (containingType.flags & 16384) { - return undefined; - } - } - } - if (!props) { - return undefined; - } - if (props.length === 1) { - return props[0]; - } - var propTypes = []; - var declarations = []; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - propTypes.push(getTypeOfSymbol(prop)); - } - var result = createSymbol(4 | - 67108864 | - 268435456 | - commonFlags, name); - result.containingType = containingType; - result.declarations = declarations; - result.type = containingType.flags & 16384 ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; - } - function getPropertyOfUnionOrIntersectionType(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = {}); - if (ts.hasProperty(properties, name)) { - return properties[name]; - } - var property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; - } - return property; - } - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol = getPropertyOfObjectType(globalFunctionType, name); - if (symbol) { - return symbol; - } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 49152) { - return getPropertyOfUnionOrIntersectionType(type, name); - } - return undefined; - } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 130048) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; - } - return emptyArray; - } - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); - } - function getIndexTypeOfStructuredType(type, kind) { - if (type.flags & 130048) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 ? resolved.stringIndexType : resolved.numberIndexType; - } - } - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); - } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.parserContextFlags & 32) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } - } - return undefined; - } - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; - } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); - } - } - return result; - } - function isOptionalParameter(node) { - if (node.parserContextFlags & 32) { - if (node.type && node.type.kind === 263) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 263; - } - } - } - if (ts.hasQuestionToken(node)) { - return true; - } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; - } - return false; - } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 69) { - var parameterName = node.parameterName; - return { - kind: 1, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; - } - else { - return { - kind: 0, - type: getTypeFromTypeNode(node.type) - }; - } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var classType = declaration.kind === 145 ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var parameters = []; - var hasStringLiterals = false; - var minArgumentCount = -1; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - var returnType = undefined; - var typePredicate = undefined; - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); - paramSymbol = resolvedSymbol; - } - parameters.push(paramSymbol); - if (param.type && param.type.kind === 163) { - hasStringLiterals = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken) { - if (minArgumentCount < 0) { - minArgumentCount = i; - } - } - else { - minArgumentCount = -1; - } - } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length; - } - if (isJSConstructSignature) { - minArgumentCount--; - returnType = getTypeFromTypeNode(declaration.parameters[0].type); - } - else if (classType) { - returnType = classType; - } - else if (declaration.type) { - returnType = getTypeFromTypeNode(declaration.type); - if (declaration.type.kind === 151) { - typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); - } - } - else { - if (declaration.parserContextFlags & 32) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - returnType = type; - } - } - if (declaration.kind === 146 && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 147); - returnType = getAnnotatedAccessorType(setter); - } - if (!returnType && ts.nodeIsMissing(declaration.body)) { - returnType = anyType; - } - } - links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); - } - return links.resolvedSignature; - } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 153: - case 154: - case 216: - case 144: - case 143: - case 145: - case 148: - case 149: - case 150: - case 146: - case 147: - case 176: - case 177: - case 264: - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); - } - } - return result; - } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); - } - } - return anyType; - } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; - } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 4096 && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; - } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); - } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - if (signature.target) { - signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); - } - else { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); - } - } - return signature.erasedSignatureCache; - } - function getOrCreateTypeFromSignature(signature) { - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 145 || signature.declaration.kind === 149; - var type = createObjectType(65536 | 262144); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; - } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; - } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 ? 128 : 130; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } - } - return undefined; - } - function getIndexTypeOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - return declaration - ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType - : undefined; - } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 138).constraint; - } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && !(type.flags & 33554432) && type.flags & 512 && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; - } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; - } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138).parent); - } - function getTypeListId(types) { - if (types) { - switch (types.length) { - case 1: - return "" + types[0].id; - case 2: - return types[0].id + "," + types[1].id; - default: - var result = ""; - for (var i = 0; i < types.length; i++) { - if (i > 0) { - result += ","; - } - result += types[i].id; - } - return result; - } - } - return ""; - } - function getPropagatingFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - result |= type.flags; - } - return result & 14680064; - } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var flags = 4096 | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; - } - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); - return unknownType; - } - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; - } - return type; - } - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return type; - } - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return getDeclaredTypeOfSymbol(symbol); - } - function getTypeReferenceName(node) { - switch (node.kind) { - case 152: - return node.typeName; - case 262: - return node.name; - case 191: - if (ts.isSupportedExpressionWithTypeArguments(node)) { - return node.expression; - } - } - return undefined; - } - function resolveTypeReferenceName(node, typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793056) || unknownSymbol; - } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 | 64)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 && node.kind === 262) { - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); - } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 262) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(node, typeReferenceName); - type = getTypeReferenceType(node, symbol); - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - else { - var typeNameOrExpression = node.kind === 152 ? node.typeName : - ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : - undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; - } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; - } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 217: - case 218: - case 220: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 80896)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; - } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; - } - return type; - } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793056, ts.Diagnostics.Cannot_find_global_type_0); - } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); - } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); - } - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1536, undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); - } - function getGlobalESSymbolConstructorSymbol() { - return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); - } - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; - } - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; - } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(globalIterableType, [elementType]); - } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); - } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); - } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; - } - function createTupleType(elementTypes) { - var id = getTypeListId(elementTypes); - return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); - } - function createNewTupleType(elementTypes) { - var type = createObjectType(8192 | getPropagatingFlagsOfTypes(elementTypes)); - type.elementTypes = elementTypes; - return type; - } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function addTypeToSet(typeSet, type, typeSetKind) { - if (type.flags & typeSetKind) { - addTypesToSet(typeSet, type.types, typeSetKind); - } - else if (!ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - function addTypesToSet(typeSet, types, typeSetKind) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToSet(typeSet, type, typeSetKind); - } - } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; - } - } - return false; - } - function removeSubtypes(types) { - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - types.splice(i, 1); - } - } - } - function containsTypeAny(types) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var type = types_5[_i]; - if (isTypeAny(type)) { - return true; - } - } - return false; - } - function removeAllButLast(types, typeToRemove) { - var i = types.length; - while (i > 0 && types.length > 1) { - i--; - if (types[i] === typeToRemove) { - types.splice(i, 1); - } - } - } - function getUnionType(types, noSubtypeReduction) { - if (types.length === 0) { - return emptyUnionType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 16384); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (noSubtypeReduction) { - removeAllButLast(typeSet, undefinedType); - removeAllButLast(typeSet, nullType); - } - else { - removeSubtypes(typeSet); - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = unionTypes[id]; - if (!type) { - type = unionTypes[id] = createObjectType(16384 | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromUnionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), true); - } - return links.resolvedType; - } - function getIntersectionType(types) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 32768); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - type = intersectionTypes[id] = createObjectType(32768 | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromIntersectionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createObjectType(65536, node.symbol); - } - return links.resolvedType; - } - function getStringLiteralTypeForText(text) { - if (ts.hasProperty(stringLiteralTypes, text)) { - return stringLiteralTypes[text]; - } - var type = stringLiteralTypes[text] = createType(256); - type.text = text; - return type; - } - function getTypeFromStringLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getStringLiteralTypeForText(node.text); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNode); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 218)) { - if (!(container.flags & 64) && - (container.kind !== 145 || ts.isNodeDescendentOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; - } - } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNode(node) { - switch (node.kind) { - case 117: - case 253: - case 254: - return anyType; - case 130: - return stringType; - case 128: - return numberType; - case 120: - return booleanType; - case 131: - return esSymbolType; - case 103: - return voidType; - case 162: - return getTypeFromThisTypeNode(node); - case 163: - return getTypeFromStringLiteralTypeNode(node); - case 152: - case 262: - return getTypeFromTypeReference(node); - case 151: - return booleanType; - case 191: - return getTypeFromTypeReference(node); - case 155: - return getTypeFromTypeQueryNode(node); - case 157: - case 255: - return getTypeFromArrayTypeNode(node); - case 158: - return getTypeFromTupleTypeNode(node); - case 159: - case 256: - return getTypeFromUnionTypeNode(node); - case 160: - return getTypeFromIntersectionTypeNode(node); - case 161: - case 258: - case 259: - case 266: - case 267: - case 263: - return getTypeFromTypeNode(node.type); - case 153: - case 154: - case 156: - case 264: - case 260: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - case 69: - case 136: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 257: - return getTypeFromJSDocTupleType(node); - case 265: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } - } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); - } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createTypeMapper(sources, targets) { - switch (sources.length) { - case 1: return createUnaryTypeMapper(sources[0], targets[0]); - case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); - } - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets[i]; - } - } - return t; - }; - } - function createUnaryTypeEraser(source) { - return function (t) { return t === source ? anyType : t; }; - } - function createBinaryTypeEraser(source1, source2) { - return function (t) { return t === source1 || t === source2 ? anyType : t; }; - } - function createTypeEraser(sources) { - switch (sources.length) { - case 1: return createUnaryTypeEraser(sources[0]); - case 2: return createBinaryTypeEraser(sources[0], sources[1]); - } - return function (t) { - for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { - var source = sources_1[_i]; - if (t === source) { - return anyType; - } - } - return t; - }; - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.context = context; - context.mapper = mapper; - } - return context.mapper; - } - function identityMapper(type) { - return type; - } - function combineTypeMappers(mapper1, mapper2) { - return function (t) { return instantiateType(mapper1(t), mapper2); }; - } - function cloneTypeParameter(typeParameter) { - var result = createType(512); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; - } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0, - type: instantiateType(predicate.type, mapper) - }; - } - } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; - } - } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); - } - var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); - result.target = signature; - result.mapper = mapper; - return result; - } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216) { - var links = getSymbolLinks(symbol); - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); - } - var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; - } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; - } - } - else { - mapper.instantiations = []; - } - var result = createObjectType(65536 | 131072, type.symbol); - result.target = type; - result.mapper = mapper; - mapper.instantiations[type.id] = result; - return result; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 512) { - return mapper(type); - } - if (type.flags & 65536) { - return type.symbol && type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 4096) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 8192) { - return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); - } - if (type.flags & 16384) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), true); - } - if (type.flags & 32768) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); - } - } - return type; - } - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 176: - case 177: - return isContextSensitiveFunctionLikeDeclaration(node); - case 168: - return ts.forEach(node.properties, isContextSensitive); - case 167: - return ts.forEach(node.elements, isContextSensitive); - case 185: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 184: - return node.operatorToken.kind === 52 && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 248: - return isContextSensitive(node.initializer); - case 144: - case 143: - return isContextSensitiveFunctionLikeDeclaration(node); - case 175: - return isContextSensitive(node.expression); - } - return false; - } - function isContextSensitiveFunctionLikeDeclaration(node) { - return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); - } - function getTypeWithoutSignatures(type) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(65536, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; - } - } - return type; - } - function isTypeIdenticalTo(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, undefined); - } - function compareTypesIdentical(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 : 0; - } - function compareTypesAssignable(source, target) { - return checkTypeRelatedTo(source, target, assignableRelation, undefined) ? -1 : 0; - } - function isTypeSubtypeOf(source, target) { - return checkTypeSubtypeOf(source, target, undefined); - } - function isTypeAssignableTo(source, target) { - return checkTypeAssignableTo(source, target, undefined); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; - } - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - if (source === target) { - return -1; - } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(t, s, false) || compareTypes(s, t, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; - } - var sourceReturnType = getReturnTypeOfSignature(source); - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0; - } - } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); - } - } - return result; - } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; - } - if (source.kind === 1) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0; - } - } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return related; - } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, undefined) - || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, undefined)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, true); - } - return false; - } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; - } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; - } - else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); - } - } - else { - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; - } - } - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); - } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); - } - return result !== 0; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, undefined, 128); - targetType = typeToString(target, undefined, 128); - } - reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); - } - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - if (source === target) - return -1; - if (relation === identityRelation) { - return isIdenticalTo(source, target); - } - if (isTypeAny(target)) - return -1; - if (source === undefinedType) - return -1; - if (source === nullType && target !== undefinedType) - return -1; - if (source.flags & 128 && target === numberType) - return -1; - if (source.flags & 128 && target.flags & 128) { - if (result = enumRelatedTo(source, target)) { - return result; - } - } - if (source.flags & 256 && target === stringType) - return -1; - if (relation === assignableRelation) { - if (isTypeAny(source)) - return -1; - if (source === numberType && target.flags & 128) - return -1; - } - if (source.flags & 8 && target.flags & 8) { - return -1; - } - if (source.flags & 1048576) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - if (target.flags & 49152) { - source = getRegularTypeOfObjectLiteral(source); - } - } - var saveErrorInfo = errorInfo; - if (source.flags & 16384) { - if (result = eachTypeRelatedToType(source, target, reportErrors)) { - return result; - } - } - else if (target.flags & 32768) { - if (result = typeRelatedToEachType(source, target, reportErrors)) { - return result; - } - } - else { - if (source.flags & 32768) { - if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384))) { - return result; - } - } - if (target.flags & 16384) { - if (result = typeRelatedToSomeType(source, target, reportErrors)) { - return result; - } - } - } - if (source.flags & 512) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1) { - constraint = emptyObjectType; - } - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - else { - if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } - } - var apparentSource = getApparentType(source); - if (apparentSource.flags & (80896 | 32768) && target.flags & 80896) { - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - } - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0; - } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 80896 && target.flags & 80896) { - if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - if (result = typeArgumentsRelatedTo(source, target, false)) { - return result; - } - } - return objectTypeRelatedTo(source, source, target, false); - } - if (source.flags & 16384 && target.flags & 16384 || - source.flags & 32768 && target.flags & 32768) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { - return result; - } - } - } - return 0; - } - function isKnownProperty(type, name) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || - resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { - return true; - } - } - else if (type.flags & 49152) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } - } - } - return false; - } - function hasExcessProperties(source, target, reportErrors) { - if (!(target.flags & 67108864) && someConstituentTypeHasKind(target, 80896)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); - } - return true; - } - } - } - return false; - } - function eachTypeRelatedToSomeType(source, target) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, false); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - for (var i = 0, len = targetTypes.length; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - for (var i = 0, len = sourceTypes.length; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0; - } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0; - } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2) { - relation[id] = 3; - } - else { - return related === 1 ? -1 : 0; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - if (maybeStack[i][id]) { - return 1; - } - } - if (depth === 100) { - overflow = true; - return 0; - } - } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = {}; - maybeStack[depth][id] = 1; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1, reportErrors); - if (result) { - result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); - if (result) { - result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); - } - } - } - } - } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyMap(maybeCache, destinationCache); - } - else { - relation[id] = reportErrors ? 3 : 2; - } - return result; - } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288); - for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { - var targetProp = properties_1[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0; - } - } - else if (!(targetProp.flags & 134217728)) { - var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); - if (sourcePropFlags & 16 || targetPropFlags & 16) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 16 && targetPropFlags & 16) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 ? source : target), typeToString(sourcePropFlags & 16 ? target : source)); - } - } - return 0; - } - } - else if (targetPropFlags & 32) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0; - } - } - else if (sourcePropFlags & 32) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0; - } - result &= related; - if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0; - } - } - } - } - return result; - } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 80896 && target.flags & 80896)) { - return 0; - } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0; - } - var result = -1; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0; - } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); - } - if (target === anyFunctionType || source === anyFunctionType) { - return -1; - } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 && sourceSignatures.length && targetSignatures.length && - isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); - } - return 0; - } - var result = -1; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - if (!t.hasStringLiterals || target.flags & 262144) { - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - if (!s.hasStringLiterals || source.flags & 262144) { - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; - } - shouldElaborateErrors = false; - } - } - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); - } - return 0; - } - } - return result; - } - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0; - } - var result = -1; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, isRelatedTo); - if (!related) { - return 0; - } - result &= related; - } - return result; - } - function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(0, source, target); - } - var targetType = getIndexTypeOfType(target, 0); - if (targetType) { - if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { - return -1; - } - var sourceType = getIndexTypeOfType(source, 0); - if (!sourceType) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - var related = isRelatedTo(sourceType, targetType, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0; - } - return related; - } - return -1; - } - function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(1, source, target); - } - var targetType = getIndexTypeOfType(target, 1); - if (targetType) { - if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { - return -1; - } - var sourceStringType = getIndexTypeOfType(source, 0); - var sourceNumberType = getIndexTypeOfType(source, 1); - if (!(sourceStringType || sourceNumberType)) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0; - } - var related = void 0; - if (sourceStringType && sourceNumberType) { - related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors); - } - else { - related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); - } - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0; - } - return related; - } - return -1; - } - function indexTypesIdenticalTo(indexKind, source, target) { - var targetType = getIndexTypeOfType(target, indexKind); - var sourceType = getIndexTypeOfType(source, indexKind); - if (!sourceType && !targetType) { - return -1; - } - if (sourceType && targetType) { - return isRelatedTo(sourceType, targetType); - } - return 0; - } - function enumRelatedTo(source, target) { - if (source.symbol.name !== target.symbol.name || - source.symbol.flags & 128 || - target.symbol.flags & 128) { - return 0; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8)) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); - return 0; - } - } - } - return -1; - } - } - function isAbstractConstructorType(type) { - if (type.flags & 65536) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && declaration.flags & 128) { - return true; - } - } - } - return false; - } - function isDeeplyNestedGeneric(type, stack, depth) { - if (type.flags & (4096 | 131072) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (4096 | 131072) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; - } - } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - if (sourceProp === targetProp) { - return -1; - } - var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 | 32); - var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 | 32); - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0; - } - } - else { - if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { - return 0; - } - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || - source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { - if (source === target) { - return -1; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0; - } - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0; - } - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1; - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - if (candidate !== type && !isTypeSubtypeOf(type, candidate)) - return false; - } - return true; - } - function getCommonSupertype(types) { - return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; - } - else if (!downfallType) { - downfallType = types[j]; - } - } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; - } - if (bestSupertypeScore === types.length - 1) { - break; - } - } - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 4096 && type.target === globalArrayType; - } - function isArrayLikeType(type) { - return !(type.flags & (32 | 64)) && isTypeAssignableTo(type, anyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isStringLiteralType(type) { - return type.flags & 256; - } - function isTupleType(type) { - return !!(type.flags & 8192); - } - function getRegularTypeOfObjectLiteral(type) { - if (type.flags & 1048576) { - var regularType = type.regularType; - if (!regularType) { - regularType = createType(type.flags & ~1048576); - regularType.symbol = type.symbol; - regularType.members = type.members; - regularType.properties = type.properties; - regularType.callSignatures = type.callSignatures; - regularType.constructSignatures = type.constructSignatures; - regularType.stringIndexType = type.stringIndexType; - regularType.numberIndexType = type.numberIndexType; - type.regularType = regularType; - } - return regularType; - } - return type; - } - function getWidenedTypeOfObjectLiteral(type) { - var properties = getPropertiesOfObjectType(type); - var members = {}; - ts.forEach(properties, function (p) { - var propType = getTypeOfSymbol(p); - var widenedType = getWidenedType(propType); - if (propType !== widenedType) { - var symbol = createSymbol(p.flags | 67108864, p.name); - symbol.declarations = p.declarations; - symbol.parent = p.parent; - symbol.type = widenedType; - symbol.target = p; - if (p.valueDeclaration) - symbol.valueDeclaration = p.valueDeclaration; - p = symbol; - } - members[p.name] = p; - }); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType) - stringIndexType = getWidenedType(stringIndexType); - if (numberIndexType) - numberIndexType = getWidenedType(numberIndexType); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); - } - function getWidenedType(type) { - if (type.flags & 6291456) { - if (type.flags & (32 | 64)) { - return anyType; - } - if (type.flags & 524288) { - return getWidenedTypeOfObjectLiteral(type); - } - if (type.flags & 16384) { - return getUnionType(ts.map(type.types, getWidenedType), true); - } - if (isArrayType(type)) { - return createArrayType(getWidenedType(type.typeArguments[0])); - } - if (isTupleType(type)) { - return createTupleType(ts.map(type.elementTypes, getWidenedType)); - } - } - return type; - } - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 16384) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (isArrayType(type)) { - return reportWideningErrorsInType(type.typeArguments[0]); - } - if (isTupleType(type)) { - for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (type.flags & 524288) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 2097152) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } - } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 142: - case 141: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 139: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 216: - case 144: - case 143: - case 146: - case 147: - case 176: - case 177: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152) { - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); - } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = sourceMax > targetMax ? sourceMax : targetMax; - sourceMax--; - targetMax--; - } - else if (source.hasRestParameter) { - sourceMax--; - count = targetMax; - } - else if (target.hasRestParameter) { - targetMax--; - count = sourceMax; - } - else { - count = sourceMax < targetMax ? sourceMax : targetMax; - } - for (var i = 0; i < count; i++) { - var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); - callback(s, t); - } - } - function createInferenceContext(typeParameters, inferUnionTypes) { - var inferences = ts.map(typeParameters, createTypeInferencesObject); - return { - typeParameters: typeParameters, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(typeParameters.length) - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - isFixed: false - }; - } - function inferTypes(context, source, target) { - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - inferFromTypes(source, target); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; - } - } - return false; - } - function inferFromTypes(source, target) { - if (source.flags & 16384 && target.flags & 16384 || - source.flags & 32768 && target.flags & 32768) { - var matchingTypes = void 0; - for (var _i = 0, _a = target.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (typeIdenticalToSomeType(t, source.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - } - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); - } - } - if (target.flags & 512) { - if (source.flags & 8388608) { - return; - } - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - } - return; - } - } - } - else if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (source.flags & 8192 && target.flags & 8192 && source.elementTypes.length === target.elementTypes.length) { - var sourceTypes = source.elementTypes; - var targetTypes = target.elementTypes; - for (var i = 0; i < sourceTypes.length; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (target.flags & 49152) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { - var t = targetTypes_2[_b]; - if (t.flags & 512 && ts.contains(context.typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - if (target.flags & 16384 && typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; - } - } - else if (source.flags & 49152) { - var sourceTypes = source.types; - for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { - var sourceType = sourceTypes_3[_c]; - inferFromTypes(sourceType, target); - } - } - else { - source = getApparentType(source); - if (source.flags & 80896 && (target.flags & 4096 && target.typeArguments || - target.flags & 8192 || - target.flags & 65536 && target.symbol && target.symbol.flags & (8192 | 2048 | 32))) { - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0); - inferFromSignatures(source, target, 1); - inferFromIndexTypes(source, target, 0, 0); - inferFromIndexTypes(source, target, 1, 1); - inferFromIndexTypes(source, target, 0, 1); - depth--; - } - } - } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); - } - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); - } - else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - } - function inferFromIndexTypes(source, target, sourceKind, targetKind) { - var targetIndexType = getIndexTypeOfType(target, targetKind); - if (targetIndexType) { - var sourceIndexType = getIndexTypeOfType(source, sourceKind); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetIndexType); - } - } - } - } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } - } - return false; - } - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); - } - } - return type.flags & 16384 ? getUnionType(reducedTypes, true) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; - } - } - } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - context.failedTypeParameterIndex = index; - } - } - return inferredType; - } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); - } - return context.inferredTypes; - } - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; - } - return links.resolvedSymbol; - } - function isInTypeQuery(node) { - while (node) { - switch (node.kind) { - case 155: - return true; - case 69: - case 136: - node = node.parent; - continue; - default: - return false; - } - } - ts.Debug.fail("should not get here"); - } - function hasInitializer(node) { - return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); - } - function isVariableAssignedWithin(symbol, node) { - var links = getNodeLinks(node); - if (links.assignmentChecks) { - var cachedResult = links.assignmentChecks[symbol.id]; - if (cachedResult !== undefined) { - return cachedResult; - } - } - else { - links.assignmentChecks = {}; - } - return links.assignmentChecks[symbol.id] = isAssignedIn(node); - function isAssignedInBinaryExpression(node) { - if (node.operatorToken.kind >= 56 && node.operatorToken.kind <= 68) { - var n = skipParenthesizedNodes(node.left); - if (n.kind === 69 && getResolvedSymbol(n) === symbol) { - return true; - } - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedInVariableDeclaration(node) { - if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { - return true; - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedIn(node) { - switch (node.kind) { - case 184: - return isAssignedInBinaryExpression(node); - case 214: - case 166: - return isAssignedInVariableDeclaration(node); - case 164: - case 165: - case 167: - case 168: - case 169: - case 170: - case 171: - case 172: - case 174: - case 192: - case 175: - case 182: - case 178: - case 181: - case 179: - case 180: - case 183: - case 187: - case 185: - case 188: - case 195: - case 196: - case 198: - case 199: - case 200: - case 201: - case 202: - case 203: - case 204: - case 207: - case 208: - case 209: - case 244: - case 245: - case 210: - case 211: - case 212: - case 247: - case 236: - case 237: - case 241: - case 242: - case 238: - case 243: - return ts.forEachChild(node, isAssignedIn); - } - return false; - } - } - function getNarrowedTypeOfSymbol(symbol, node) { - var type = getTypeOfSymbol(symbol); - if (node && symbol.flags & 3) { - if (isTypeAny(type) || type.flags & (80896 | 16384 | 512)) { - var declaration = ts.getDeclarationOfKind(symbol, 214); - var top_1 = declaration && getDeclarationContainer(declaration); - var originalType = type; - var nodeStack = []; - loop: while (node.parent) { - var child = node; - node = node.parent; - switch (node.kind) { - case 199: - case 185: - case 184: - nodeStack.push({ node: node, child: child }); - break; - case 251: - case 221: - break loop; - } - if (node === top_1) { - break; - } - } - var nodes = void 0; - while (nodes = nodeStack.pop()) { - var node_1 = nodes.node, child = nodes.child; - switch (node_1.kind) { - case 199: - if (child !== node_1.expression) { - type = narrowType(type, node_1.expression, child === node_1.thenStatement); - } - break; - case 185: - if (child !== node_1.condition) { - type = narrowType(type, node_1.condition, child === node_1.whenTrue); - } - break; - case 184: - if (child === node_1.right) { - if (node_1.operatorToken.kind === 51) { - type = narrowType(type, node_1.left, true); - } - else if (node_1.operatorToken.kind === 52) { - type = narrowType(type, node_1.left, false); - } - } - break; - default: - ts.Debug.fail("Unreachable!"); - } - if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { - type = originalType; - } - } - if (type === emptyUnionType) { - type = originalType; - } - } - } - return type; - function narrowTypeByEquality(type, expr, assumeTrue) { - if (expr.left.kind !== 179 || expr.right.kind !== 9) { - return type; - } - var left = expr.left; - var right = expr.right; - if (left.expression.kind !== 69 || getResolvedSymbol(left.expression) !== symbol) { - return type; - } - if (expr.operatorToken.kind === 33) { - assumeTrue = !assumeTrue; - } - var typeInfo = primitiveTypeInfo[right.text]; - if (typeInfo && typeInfo.type === undefinedType) { - return type; - } - var flags; - if (typeInfo) { - flags = typeInfo.flags; - } - else { - assumeTrue = !assumeTrue; - flags = 132 | 258 | 16777216 | 8; - } - if (!(type.flags & 16384)) { - if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { - return typeInfo.type; - } - return filterUnion(type) ? type : emptyUnionType; - } - return getUnionType(ts.filter(type.types, filterUnion), true); - function filterUnion(type) { - return assumeTrue === !!(type.flags & flags); - } - } - function narrowTypeByAnd(type, expr, assumeTrue) { - if (assumeTrue) { - return narrowType(narrowType(type, expr.left, true), expr.right, true); - } - else { - return getUnionType([ - narrowType(type, expr.left, false), - narrowType(type, expr.right, false) - ]); - } - } - function narrowTypeByOr(type, expr, assumeTrue) { - if (assumeTrue) { - return getUnionType([ - narrowType(type, expr.left, true), - narrowType(type, expr.right, true) - ]); - } - else { - return narrowType(narrowType(type, expr.left, false), expr.right, false); - } - } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - if (isTypeAny(type) || expr.left.kind !== 69 || getResolvedSymbol(expr.left) !== symbol) { - return type; - } - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; - } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } - } - if (!targetType) { - var constructSignatures = void 0; - if (rightType.flags & 2048) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 65536) { - constructSignatures = getSignaturesOfType(rightType, 1); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } - } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); - } - return type; - } - function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { - if (!assumeTrue) { - if (originalType.flags & 16384) { - return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); - } - return originalType; - } - if (originalType.flags & 16384) { - var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); - if (assignableConstituents.length) { - return getUnionType(assignableConstituents); - } - } - if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { - return narrowedTypeCandidate; - } - return originalType; - } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (type.flags & 1) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (ts.isIdentifierTypePredicate(predicate)) { - if (callExpression.arguments[predicate.parameterIndex] && - getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); - } - return type; - } - function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { - if (invokedExpression.kind === 170 || invokedExpression.kind === 169) { - var accessExpression = invokedExpression; - var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); - if (possibleIdentifier.kind === 69 && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - return type; - } - function getSymbolAtTypePredicatePosition(expr) { - expr = skipParenthesizedNodes(expr); - switch (expr.kind) { - case 69: - case 169: - return getSymbolOfEntityNameOrPropertyAccessExpression(expr); - } - } - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 171: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 175: - return narrowType(type, expr.expression, assumeTrue); - case 184: - var operator = expr.operatorToken.kind; - if (operator === 32 || operator === 33) { - return narrowTypeByEquality(type, expr, assumeTrue); - } - else if (operator === 51) { - return narrowTypeByAnd(type, expr, assumeTrue); - } - else if (operator === 52) { - return narrowTypeByOr(type, expr, assumeTrue); - } - else if (operator === 91) { - return narrowTypeByInstanceof(type, expr, assumeTrue); - } - break; - case 182: - if (expr.operator === 49) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; - } - return type; - } - } - function skipParenthesizedNodes(expression) { - while (expression.kind === 175) { - expression = expression.expression; - } - return expression; - } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (container.kind === 177) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - } - if (node.parserContextFlags & 8) { - getNodeLinks(container).flags |= 8192; - } - } - if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); - } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - if (languageVersion === 2 - && localOrExportSymbol.flags & 32 - && localOrExportSymbol.valueDeclaration.kind === 217 - && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { - getNodeLinks(container).flags |= 524288; - getNodeLinks(node).flags |= 1048576; - break; - } - container = ts.getContainingClass(container); - } - } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - return getNarrowedTypeOfSymbol(localOrExportSymbol, node); - } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; - } - current = current.parent; - } - return false; - } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 || - (symbol.flags & (2 | 32)) === 0 || - symbol.valueDeclaration.parent.kind === 247) { - return; - } - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, false)) { - containedInIterationStatement = true; - break; - } - current = current.parent; - } - if (containedInIterationStatement) { - if (usedInFunction) { - getNodeLinks(current).flags |= 65536; - } - if (container.kind === 202 && - ts.getAncestor(symbol.valueDeclaration, 215).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152; - } - getNodeLinks(symbol.valueDeclaration).flags |= 262144; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072; - } - } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - while (current.parent.kind === 175) { - current = current.parent; - } - var isAssigned = false; - if (current.parent.kind === 184) { - isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); - } - if ((current.parent.kind === 182 || current.parent.kind === 183)) { - var expr = current.parent; - isAssigned = expr.operator === 41 || expr.operator === 42; - } - if (!isAssigned) { - return false; - } - while (current !== container) { - if (current === container.statement) { - return true; - } - else { - current = current.parent; - } - } - return false; - } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2; - if (container.kind === 142 || container.kind === 145) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4; - } - else { - getNodeLinks(container).flags |= 4; - } - } - function findFirstSuperCall(n) { - if (ts.isSuperCallExpression(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; - } - return ts.forEachChild(n, findFirstSuperCall); - } - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; - } - return links.superCall; - } - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullType; - } - function checkThisExpression(node) { - var container = ts.getThisContainer(node, true); - var needToCaptureLexicalThis = false; - if (container.kind === 145) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - if (!superCall || superCall.end > node.pos) { - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); - } - } - } - if (container.kind === 177) { - container = ts.getThisContainer(container, false); - needToCaptureLexicalThis = (languageVersion < 2); - } - switch (container.kind) { - case 221: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - break; - case 220: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - break; - case 145: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); - } - break; - case 142: - case 141: - if (container.flags & 64) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); - } - break; - case 137: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - return container.flags & 64 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); - if (type && type !== unknownType) { - return type; - } - if (container.kind === 176) { - if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { - var className = container.parent - .left - .expression - .expression; - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { - return getInferredClassType(classSymbol); - } - } - } - } - return anyType; - } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); - } - } - } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 139) { - return true; - } - } - return false; - } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 171 && node.parent.expression === node; - var container = ts.getSuperContainer(node, true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - while (container && container.kind === 177) { - container = ts.getSuperContainer(container, true); - needToCaptureLexicalThis = languageVersion < 2; - } - } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - var current = node; - while (current && current !== container && current.kind !== 137) { - current = current.parent; - } - if (current && current.kind === 137) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); - } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); - } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); - } - else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((container.flags & 64) || isCallExpression) { - nodeCheckFlag = 512; - } - else { - nodeCheckFlag = 256; - } - getNodeLinks(node).flags |= nodeCheckFlag; - if (container.kind === 144 && container.flags & 256) { - if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096; - } - else { - getNodeLinks(container).flags |= 2048; - } - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 168) { - if (languageVersion < 2) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - return anyType; - } - } - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; - } - if (container.kind === 145 && isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; - } - return nodeCheckFlag === 512 - ? getBaseConstructorTypeOfClass(classType) - : baseClassType; - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - return container.kind === 145; - } - else { - if (ts.isClassLike(container.parent) || container.parent.kind === 168) { - if (container.flags & 64) { - return container.kind === 144 || - container.kind === 143 || - container.kind === 146 || - container.kind === 147; - } - else { - return container.kind === 144 || - container.kind === 143 || - container.kind === 146 || - container.kind === 147 || - container.kind === 142 || - container.kind === 141 || - container.kind === 145; - } - } - } - return false; - } - } - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { - if (isContextSensitive(func)) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); - } - } - } - } - return undefined; - } - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, true); - } - } - return undefined; - } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (func && !func.asteriskToken) { - return getContextualReturnType(func); - } - return undefined; - } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); - } - } - return undefined; - } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 139 && node.parent.initializer === node) { - return true; - } - node = node.parent; - } - return false; - } - function getContextualReturnType(functionDecl) { - if (functionDecl.type || - functionDecl.kind === 145 || - functionDecl.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); - } - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); - } - return undefined; - } - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedSignature(callTarget); - return getTypeAtPosition(signature, argIndex); - } - return undefined; - } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 173) { - return getContextualTypeForArgument(template.parent, substitutionExpression); - } - return undefined; - } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 56 && operator <= 68) { - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } - } - else if (operator === 52) { - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; - } - else if (operator === 51 || operator === 24) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); - } - } - return undefined; - } - function applyToContextualType(type, mapper) { - if (!(type.flags & 16384)) { - return mapper(type); - } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var current = types_8[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); - } - } - } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; - } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 130048 ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); - } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); - } - function contextualTypeIsStringLiteralType(type) { - return !!(type.flags & 16384 ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); - } - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 16384 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); - } - function contextualTypeHasIndexSignature(type, kind) { - return !!(type.flags & 16384 ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); - } - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); - } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || - getIndexTypeOfContextualType(type, 0); - } - return undefined; - } - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1) - || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); - } - return undefined; - } - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; - } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 241) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; - } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); - } - else if (attribute.kind === 242) { - return attrsType; - } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); - } - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); - } - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (node.contextualType) { - return node.contextualType; - } - var parent = node.parent; - switch (parent.kind) { - case 214: - case 139: - case 142: - case 141: - case 166: - return getContextualTypeForInitializerExpression(node); - case 177: - case 207: - return getContextualTypeForReturnExpression(node); - case 187: - return getContextualTypeForYieldOperand(parent); - case 171: - case 172: - return getContextualTypeForArgument(parent, node); - case 174: - case 192: - return getTypeFromTypeNode(parent.type); - case 184: - return getContextualTypeForBinaryOperand(node); - case 248: - return getContextualTypeForObjectLiteralElement(parent); - case 167: - return getContextualTypeForElementExpression(node); - case 185: - return getContextualTypeForConditionalOperand(node); - case 193: - ts.Debug.assert(parent.parent.kind === 186); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 175: - return getContextualType(parent); - case 243: - return getContextualType(parent); - case 241: - case 242: - return getContextualTypeForJsxAttribute(parent); - } - return undefined; - } - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; - } - } - } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 176 || node.kind === 177; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var type = ts.isObjectLiteralMethod(node) - ? getContextualTypeForObjectLiteralMethod(node) - : getApparentTypeOfContextualType(node); - if (!type) { - return undefined; - } - if (!(type.flags & 16384)) { - return getNonGenericSignature(type); - } - var signatureList; - var types = type.types; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var current = types_9[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, compareTypesIdentical)) { - return undefined; - } - else { - signatureList.push(signature); - } - } - } - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; - } - return result; - } - function isInferentialContext(mapper) { - return mapper && mapper.context; - } - function isAssignmentTarget(node) { - var parent = node.parent; - if (parent.kind === 184 && parent.operatorToken.kind === 56 && parent.left === node) { - return true; - } - if (parent.kind === 248) { - return isAssignmentTarget(parent.parent); - } - if (parent.kind === 167) { - return isAssignmentTarget(parent); - } - return false; - } - function checkSpreadElementExpression(node, contextualMapper) { - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); - } - function hasDefaultValue(node) { - return (node.kind === 166 && !!node.initializer) || - (node.kind === 184 && node.operatorToken.kind === 56); - } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 188) { - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1) || - (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpression(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 188; - } - if (!hasSpreadElement) { - if (inDestructuringPattern && elementTypes.length) { - var type = createNewTupleType(elementTypes); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - if (pattern && (pattern.kind === 165 || pattern.kind === 167)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.elementTypes[i]); - } - else { - if (patternElement.kind !== 190) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } - } - } - return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); - } - function isNumericName(name) { - return name.kind === 137 ? isNumericComputedName(name) : isNumericLiteralName(name.text); - } - function isNumericComputedName(name) { - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132); - } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); - } - function isNumericLiteralName(name) { - return (+name).toString() === name; - } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 | 258 | 16777216)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); - } - } - return links.resolvedType; - } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = isAssignmentTarget(node); - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = {}; - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 164 || contextualType.pattern.kind === 168); - var typeFlags = 0; - var patternWithComputedProperties = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 248 || - memberDecl.kind === 249 || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 248) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 144) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 249); - type = checkExpression(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 | 67108864 | member.flags, member.name); - if (inDestructuringPattern) { - var isOptional = (memberDecl.kind === 248 && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 249 && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && !(contextualType.flags & 67108864)) { - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - ts.Debug.assert(memberDecl.kind === 146 || memberDecl.kind === 147); - checkAccessorDeclaration(memberDecl); - } - if (!ts.hasDynamicName(memberDecl)) { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); - } - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!ts.hasProperty(propertiesTable, prop.name)) { - if (!(prop.flags & 536870912)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } - } - } - var stringIndexType = getIndexType(0); - var numberIndexType = getIndexType(1); - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576; - result.flags |= 524288 | 4194304 | freshObjectLiteralFlag | (typeFlags & 14680064) | (patternWithComputedProperties ? 67108864 : 0); - if (inDestructuringPattern) { - result.pattern = node; - } - return result; - function getIndexType(kind) { - if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { - var propTypes = []; - for (var i = 0; i < propertiesArray.length; i++) { - var propertyDecl = node.properties[i]; - if (kind === 0 || isNumericName(propertyDecl.name)) { - var type = getTypeOfSymbol(propertiesArray[i]); - if (!ts.contains(propTypes, type)) { - propTypes.push(type); - } - } - } - var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; - typeFlags |= result_1.flags; - return result_1; - } - return undefined; - } - } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; - } - function checkJsxElement(node) { - checkJsxOpeningLikeElement(node.openingElement); - getJsxElementTagSymbol(node.closingElement); - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 243: - checkJsxExpression(child); - break; - case 236: - checkJsxElement(child); - break; - case 237: - checkJsxSelfClosingElement(child); - break; - } - } - return jsxElementType || anyType; - } - function isUnhyphenatedJsxName(name) { - return name.indexOf("-") < 0; - } - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 136) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } - } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - var indexerType = getIndexTypeOfType(elementAttributesType, 0); - if (indexerType) { - correspondingPropType = indexerType; - } - else { - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; - } - } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); - } - nameTable[node.name.text] = true; - return exprType; - } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } - return type; - } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; - } - function getJsxElementTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - links.resolvedSymbol = lookupIntrinsicTag(node); - } - else { - links.resolvedSymbol = lookupClassTag(node); - } - } - return links.resolvedSymbol; - function lookupIntrinsicTag(node) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1; - return intrinsicProp; - } - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); - if (indexSignatureType) { - links.jsxFlags |= 2; - return intrinsicElementsType.symbol; - } - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return unknownSymbol; - } - } - function lookupClassTag(node) { - var valueSymbol = resolveJsxTagName(node); - if (valueSymbol && valueSymbol !== unknownSymbol) { - links.jsxFlags |= 4; - if (valueSymbol.flags & 8388608) { - markAliasSymbolAsReferenced(valueSymbol); - } - } - return valueSymbol || unknownSymbol; - } - function resolveJsxTagName(node) { - if (node.tagName.kind === 69) { - var tag = node.tagName; - var sym = getResolvedSymbol(tag); - return sym.exportSymbol || sym; - } - else { - return checkQualifiedName(node.tagName).symbol; - } - } - } - function getJsxElementInstanceType(node) { - ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4), "Should not call getJsxElementInstanceType on non-class Element"); - var classSymbol = getJsxElementTagSymbol(node); - if (classSymbol === unknownSymbol) { - return anyType; - } - var valueType = getTypeOfSymbol(classSymbol); - if (isTypeAny(valueType)) { - return anyType; - } - var signatures = getSignaturesOfType(valueType, 1); - if (signatures.length === 0) { - signatures = getSignaturesOfType(valueType, 0); - if (signatures.length === 0) { - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } - } - return getUnionType(signatures.map(getReturnTypeOfSignature)); - } - function getJsxElementPropertiesName() { - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536, undefined); - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056); - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; - } - } - else { - return undefined; - } - } - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - var sym = getJsxElementTagSymbol(node); - if (links.jsxFlags & 4) { - var elemInstanceType = getJsxElementInstanceType(node); - var elemClassType = getJsxGlobalElementClassType(); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - var elemType = getTypeOfSymbol(sym); - var callSignatures = elemType && getSignaturesOfType(elemType, 0); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return links.resolvedJsxType = paramType; - } - } - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return links.resolvedJsxType = elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - return links.resolvedJsxType = anyType; - } - else if (propsName === "") { - return links.resolvedJsxType = elemInstanceType; - } - else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - return links.resolvedJsxType = emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - return links.resolvedJsxType = attributesType; - } - else if (attributesType.flags & 16384) { - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return links.resolvedJsxType = anyType; - } - else { - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); - } - } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); - } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return links.resolvedJsxType = apparentAttributesType; - } - } - } - else if (links.jsxFlags & 1) { - return links.resolvedJsxType = getTypeOfSymbol(sym); - } - else if (links.jsxFlags & 2) { - return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0); - } - else { - return links.resolvedJsxType = anyType; - } - } - return links.resolvedJsxType; - } - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - if ((compilerOptions.jsx || 0) === 0) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); - } - } - } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = {}; - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 241) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 242); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912) && - nameTable[targetProperties[i].name] === undefined) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } - } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; - } - } - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 142; - } - function getDeclarationFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 8 | 64 : 0; - } - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - if (left.kind === 95) { - var errorNode = node.kind === 169 ? - node.name : - node.right; - if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 144) { - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128) { - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - if (!(flags & (16 | 32))) { - return true; - } - var enclosingClassDeclaration = ts.getContainingClass(node); - var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; - if (flags & 16) { - if (declaringClass !== enclosingClass) { - error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - if (left.kind === 95) { - return true; - } - if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); - return false; - } - if (flags & 64) { - return true; - } - if (type.flags & 33554432) { - type = getConstraintOfTypeParameter(type); - } - if (!(getTargetType(type).flags & (1024 | 2048) && hasBaseType(type, enclosingClass))) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); - return false; - } - return true; - } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); - } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); - } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkExpression(left); - if (isTypeAny(type)) { - return type; - } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType) { - return unknownType; - } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text) { - error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 ? apparentType : type)); - } - return unknownType; - } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - return getTypeOfSymbol(prop); - } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 169 - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32) { - return checkClassPropertyAccess(node, left, type, prop); - } - } - return true; - } - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 215) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); - } - } - else if (initializer.kind === 69) { - return getResolvedSymbol(initializer); - } - return undefined; - } - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); - } - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 69) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 203 && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } - } - return false; - } - function checkIndexedAccess(node) { - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 172 && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); - } - else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); - } - } - var objectType = getApparentType(checkExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType) { - return unknownType; - } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; - } - if (node.argumentExpression) { - var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_11 !== undefined) { - var prop = getPropertyOfType(objectType, name_11); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); - return unknownType; - } - } - } - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 | 132 | 16777216)) { - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexType = getIndexTypeOfType(objectType, 1); - if (numberIndexType) { - return numberIndexType; - } - } - var stringIndexType = getIndexTypeOfType(objectType, 0); - if (stringIndexType) { - return stringIndexType; - } - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); - } - return anyType; - } - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; - } - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { - return indexArgumentExpression.text; - } - if (indexArgumentExpression.kind === 170 || indexArgumentExpression.kind === 169) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); - } - } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); - } - return undefined; - } - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; - } - if ((expressionType.flags & 16777216) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); - } - return false; - } - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; - } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - return false; - } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); - } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 173) { - checkExpression(node.template); - } - else if (node.kind !== 140) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); - } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_6 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_6 === lastParent) { - index++; - } - else { - lastParent = parent_6; - index = cutoffIndex; - } - } - else { - index = cutoffIndex = result.length; - lastParent = parent_6; - } - lastSymbol = symbol; - if (signature.hasStringLiterals) { - specializedIndex++; - spliceIndex = specializedIndex; - cutoffIndex++; - } - else { - spliceIndex = index; - } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 188) { - return i; - } - } - return -1; - } - function hasCorrectArity(node, args, signature) { - var adjustedArgCount; - var typeArguments; - var callIsIncomplete; - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 173) { - var tagExpression = node; - adjustedArgCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 186) { - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; - } - else { - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 11); - callIsIncomplete = !!templateLiteral.isUnterminated; - } - } - else if (node.kind === 140) { - isDecorator = true; - typeArguments = undefined; - adjustedArgCount = getEffectiveArgumentCount(node, undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - ts.Debug.assert(callExpression.kind === 172); - return signature.minArgumentCount === 0; - } - adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { - return false; - } - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); - } - if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { - return false; - } - var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - function getSingleCallSignature(type) { - if (type.flags & 80896) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { - return resolved.callSignatures[0]; - } - } - return undefined; - } - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature.typeParameters, true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - for (var i = 0; i < typeParameters.length; i++) { - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; - } - } - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; - } - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 190) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - if (argType === undefined) { - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); - } - inferTypes(context, argType, paramType); - } - } - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); - } - } - } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; - } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); - } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); - } - } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - if (arg === undefined || arg.kind !== 190) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - if (argType === undefined) { - argType = arg.kind === 9 && !reportErrors - ? getStringLiteralTypeForText(arg.text) - : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; - } - } - } - return true; - } - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 173) { - var template = node.template; - args = [undefined]; - if (template.kind === 186) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); - } - } - else if (node.kind === 140) { - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 140) { - switch (node.parent.kind) { - case 217: - case 189: - return 1; - case 142: - return 2; - case 144: - case 146: - case 147: - if (languageVersion === 0) { - return 2; - } - return signature.parameters.length >= 3 ? 3 : 2; - case 139: - return 3; - } - } - else { - return args.length; - } - } - function getEffectiveDecoratorFirstArgumentType(node) { - if (node.kind === 217) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 139) { - node = node.parent; - if (node.kind === 145) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - } - if (node.kind === 142 || - node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorSecondArgumentType(node) { - if (node.kind === 217) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; - } - if (node.kind === 139) { - node = node.parent; - if (node.kind === 145) { - return anyType; - } - } - if (node.kind === 142 || - node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - var element = node; - switch (element.name.kind) { - case 69: - case 8: - case 9: - return getStringLiteralTypeForText(element.name.text); - case 137: - var nameType = checkComputedPropertyName(element.name); - if (allConstituentTypesHaveKind(nameType, 16777216)) { - return nameType; - } - else { - return stringType; - } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; - } - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorThirdArgumentType(node) { - if (node.kind === 217) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 139) { - return numberType; - } - if (node.kind === 142) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 144 || - node.kind === 146 || - node.kind === 147) { - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); - } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; - } - function getEffectiveArgumentType(node, argIndex, arg) { - if (node.kind === 140) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 173) { - return globalTemplateStringsArrayType; - } - return undefined; - } - function getEffectiveArgument(node, args, argIndex) { - if (node.kind === 140 || - (argIndex === 0 && node.kind === 173)) { - return undefined; - } - return args[argIndex]; - } - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 140) { - return node.expression; - } - else if (argIndex === 0 && node.kind === 173) { - return node.template; - } - else { - return arg; - } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 173; - var isDecorator = node.kind === 140; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - if (node.expression.kind !== 95) { - ts.forEach(typeArguments, checkSourceElement); - } - } - var candidates = candidatesOutArray || []; - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - var excludeArgument; - if (!isDecorator) { - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } - } - } - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation); - } - if (!result) { - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation); - } - if (result) { - return result; - } - if (candidateForArgumentError) { - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); - } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } - } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - } - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); - } - return candidate; - } - } - } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - } - function chooseOverload(candidates, relation) { - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate.typeParameters, false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; - } - } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 95) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } - return resolveUntypedCall(node); - } - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - var constructSignatures = getSignaturesOfType(apparentType, 1); - if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); - } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - } - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } - } - var expressionType = checkExpression(node.expression); - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - return resolveErrorCall(node); - } - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && valueDecl.flags & 128) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); - } - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - var constructSignatures = getSignaturesOfType(expressionType, 1); - if (constructSignatures.length) { - return resolveCall(node, constructSignatures, candidatesOutArray); - } - var callSignatures = getSignaturesOfType(expressionType, 0); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); - } - return signature; - } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384) && isTypeAssignableTo(tagType, globalFunctionType))) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 217: - case 189: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 139: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; - case 142: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; - case 144: - case 146: - case 147: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; - } - } - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0); - if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { - return resolveUntypedCall(node); - } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - if (!links.resolvedSignature || candidatesOutArray) { - links.resolvedSignature = anySignature; - if (node.kind === 171) { - links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); - } - else if (node.kind === 172) { - links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); - } - else if (node.kind === 173) { - links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); - } - else if (node.kind === 140) { - links.resolvedSignature = resolveDecorator(node, candidatesOutArray); - } - else { - ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); - } - } - return links.resolvedSignature; - } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, undefined, undefined); - } - return links.inferredClassType; - } - function checkCallExpression(node) { - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 95) { - return voidType; - } - if (node.kind === 172) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 145 && - declaration.kind !== 149 && - declaration.kind !== 154 && - !ts.isJSDocConstructSignature(declaration)) { - var funcSymbol = checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16)) { - return getInferredClassType(funcSymbol); - } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); - } - return anyType; - } - } - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, true)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); - } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - var bothAreStringLike = someConstituentTypeHasKind(targetType, 258) && - someConstituentTypeHasKind(widenedType, 258); - if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { - checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); - } - } - return targetType; - } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; - } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - } - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190) { - if (element.name.kind === 69) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } - } - } - } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - assignBindingElementTypes(parameter.valueDeclaration); - } - else if (isInferentialContext(mapper)) { - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); - } - } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); - } - return undefined; - } - function createPromiseType(promisedType) { - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); - } - return emptyObjectType; - } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; - } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 195) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); - if (types.length === 0) { - if (isAsync) { - var promiseType = createPromiseType(voidType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return voidType; - } - } - } - type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); - if (!type) { - if (funcIsGenerator) { - error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); - return createIterableIteratorType(unknownType); - } - else { - error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); - return getUnionType(types); - } - } - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); - } - var widenedType = getWidenedType(type); - if (isAsync) { - var promiseType = createPromiseType(widenedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return widenedType; - } - } - function checkAndAggregateYieldOperandTypes(body, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { - var aggregatedTypes = []; - ts.forEachReturnStatement(body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384) && someConstituentTypeHasKind(returnType, 1 | 16))) { - return; - } - if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 || !(func.flags & 524288)) { - return; - } - var hasExplicitReturn = func.flags & 1048576; - if (returnType && !hasExplicitReturn) { - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - var inferredReturnType = hasExplicitReturn - ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) - : voidType; - if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 176) { - checkGrammarForGenerator(node); - } - if (contextualMapper === identityMapper && isContextSensitive(node)) { - return anyFunctionType; - } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - if (mightFixTypeParameters || !(links.flags & 1024)) { - var contextualSignature = getContextualSignature(node); - var contextChecked = !!(links.flags & 1024); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } - } - if (produceDiagnostics && node.kind !== 144 && node.kind !== 143) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (node.body) { - if (!node.type) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 195) { - checkSourceElement(node.body); - } - else { - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132)) { - error(operand, diagnostic); - return false; - } - return true; - } - function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { - function findSymbol(n) { - var symbol = getNodeLinks(n).resolvedSymbol; - return symbol && getExportSymbolOfValueSymbolIfExported(symbol); - } - function isReferenceOrErrorExpression(n) { - switch (n.kind) { - case 69: { - var symbol = findSymbol(n); - return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3) !== 0; - } - case 169: { - var symbol = findSymbol(n); - return !symbol || symbol === unknownSymbol || (symbol.flags & ~8) !== 0; - } - case 170: - return true; - case 175: - return isReferenceOrErrorExpression(n.expression); - default: - return false; - } - } - function isConstVariableReference(n) { - switch (n.kind) { - case 69: - case 169: { - var symbol = findSymbol(n); - return symbol && (symbol.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384) !== 0; - } - case 170: { - var index = n.argumentExpression; - var symbol = findSymbol(n.expression); - if (symbol && index && index.kind === 9) { - var name_12 = index.text; - var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); - return prop && (prop.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384) !== 0; - } - return false; - } - case 175: - return isConstVariableReference(n.expression); - default: - return false; - } - } - if (!isReferenceOrErrorExpression(n)) { - error(n, invalidReferenceMessage); - return false; - } - if (isConstVariableReference(n)) { - error(n, constantVariableMessage); - return false; - } - return true; - } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; - } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; - } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedType; - } - function checkAwaitExpression(node) { - if (produceDiagnostics) { - if (!(node.parserContextFlags & 8)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); - } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - switch (node.operator) { - case 35: - case 36: - case 50: - if (someConstituentTypeHasKind(operandType, 16777216)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 49: - return booleanType; - case 41: - case 42: - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - return unknownType; - } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - function someConstituentTypeHasKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152) { - var types = type.types; - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var current = types_10[_i]; - if (current.flags & kind) { - return true; - } - } - return false; - } - return false; - } - function allConstituentTypesHaveKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152) { - var types = type.types; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var current = types_11[_i]; - if (!(current.flags & kind)) { - return false; - } - } - return true; - } - return false; - } - function isConstEnumObjectType(type) { - return type.flags & (80896 | 65536) && type.symbol && isConstEnumSymbol(type.symbol); - } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128) !== 0; - } - function checkInstanceOfExpression(left, right, leftType, rightType) { - if (allConstituentTypesHaveKind(leftType, 16777726)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); - } - return booleanType; - } - function checkInExpression(left, right, leftType, rightType) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 | 132 | 16777216)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; - } - function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { - var properties = node.properties; - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var p = properties_3[_i]; - if (p.kind === 248 || p.kind === 249) { - var name_13 = p.name; - if (name_13.kind === 137) { - checkComputedPropertyName(name_13); - } - if (isComputedNonLiteralName(name_13)) { - continue; - } - var text = getTextOfPropertyName(name_13); - var type = isTypeAny(sourceType) - ? sourceType - : getTypeOfPropertyOfType(sourceType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1) || - getIndexTypeOfType(sourceType, 0); - if (type) { - if (p.kind === 249) { - checkDestructuringAssignment(p, type); - } - else { - checkDestructuringAssignment(p.initializer, type); - } - } - else { - error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); - } - } - else { - error(p, ts.Diagnostics.Property_assignment_expected); - } - } - return sourceType; - } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190) { - if (e.kind !== 188) { - var propName = "" + i; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - checkDestructuringAssignment(e, type, contextualMapper); - } - else { - if (isTupleType(sourceType)) { - error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); - } - else { - error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); - } - } - } - else { - if (i < elements.length - 1) { - error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - else { - var restExpression = e.expression; - if (restExpression.kind === 184 && restExpression.operatorToken.kind === 56) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - else { - checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); - } - } - } - } - } - return sourceType; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 249) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); - } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 184 && target.operatorToken.kind === 56) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 168) { - return checkObjectLiteralAssignment(target, sourceType, contextualMapper); - } - if (target.kind === 167) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); - } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { - checkTypeAssignableTo(sourceType, targetType, target, undefined); - } - return sourceType; - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 56 && (left.kind === 168 || left.kind === 167)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); - } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 37: - case 38: - case 59: - case 60: - case 39: - case 61: - case 40: - case 62: - case 36: - case 58: - case 43: - case 63: - case 44: - case 64: - case 45: - case 65: - case 47: - case 67: - case 48: - case 68: - case 46: - case 66: - if (leftType.flags & (32 | 64)) - leftType = rightType; - if (rightType.flags & (32 | 64)) - rightType = leftType; - var suggestedOperator = void 0; - if ((leftType.flags & 8) && - (rightType.flags & 8) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); - } - else { - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } - } - return numberType; - case 35: - case 57: - if (leftType.flags & (32 | 64)) - leftType = rightType; - if (rightType.flags & (32 | 64)) - rightType = leftType; - var resultType = void 0; - if (allConstituentTypesHaveKind(leftType, 132) && allConstituentTypesHaveKind(rightType, 132)) { - resultType = numberType; - } - else { - if (allConstituentTypesHaveKind(leftType, 258) || allConstituentTypesHaveKind(rightType, 258)) { - resultType = stringType; - } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; - } - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; - } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 57) { - checkAssignmentOperator(resultType); - } - return resultType; - case 25: - case 27: - case 28: - case 29: - if (!checkForDisallowedESSymbolOperand(operator)) { - return booleanType; - } - case 30: - case 31: - case 32: - case 33: - if (someConstituentTypeHasKind(leftType, 258) && someConstituentTypeHasKind(rightType, 258)) { - return booleanType; - } - if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { - reportOperatorError(); - } - return booleanType; - case 91: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 90: - return checkInExpression(left, right, leftType, rightType); - case 51: - return rightType; - case 52: - return getUnionType([leftType, rightType]); - case 56: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 24: - return rightType; - } - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216) ? left : - someConstituentTypeHasKind(rightType, 16777216) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; - } - return true; - } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 47: - case 67: - return 52; - case 48: - case 68: - return 33; - case 46: - case 66: - return 51; - default: - return undefined; - } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 56 && operator <= 68) { - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); - if (ok) { - checkTypeAssignableTo(valueType, leftType, left, undefined); - } - } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; - } - else if (ts.isClassLike(current)) { - return true; - } - current = parent; - parent = parent.parent; - } - return false; - } - function checkYieldExpression(node) { - if (produceDiagnostics) { - if (!(node.parserContextFlags & 2) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); - } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); - } - } - } - } - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getUnionType([type1, type2]); - } - function checkStringLiteralExpression(node) { - var contextualType = getContextualType(node); - if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { - return getStringLiteralTypeForText(node.text); - } - return stringType; - } - function checkTemplateExpression(node) { - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node, contextualMapper); - } - return links.resolvedType; - } - function checkPropertyAssignment(node, contextualMapper) { - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - return checkExpression(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - checkGrammarMethod(node); - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); - } - } - } - } - return type; - } - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 136) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - var ok = (node.parent.kind === 169 && node.parent.expression === node) || - (node.parent.kind === 170 && node.parent.expression === node) || - ((node.kind === 69 || node.kind === 136) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); - } - } - return type; - } - function checkNumericLiteral(node) { - checkGrammarNumericLiteral(node); - return numberType; - } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 69: - return checkIdentifier(node); - case 97: - return checkThisExpression(node); - case 95: - return checkSuperExpression(node); - case 93: - return nullType; - case 99: - case 84: - return booleanType; - case 8: - return checkNumericLiteral(node); - case 186: - return checkTemplateExpression(node); - case 9: - return checkStringLiteralExpression(node); - case 11: - return stringType; - case 10: - return globalRegExpType; - case 167: - return checkArrayLiteral(node, contextualMapper); - case 168: - return checkObjectLiteral(node, contextualMapper); - case 169: - return checkPropertyAccessExpression(node); - case 170: - return checkIndexedAccess(node); - case 171: - case 172: - return checkCallExpression(node); - case 173: - return checkTaggedTemplateExpression(node); - case 175: - return checkExpression(node.expression, contextualMapper); - case 189: - return checkClassExpression(node); - case 176: - case 177: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 179: - return checkTypeOfExpression(node); - case 174: - case 192: - return checkAssertion(node); - case 178: - return checkDeleteExpression(node); - case 180: - return checkVoidExpression(node); - case 181: - return checkAwaitExpression(node); - case 182: - return checkPrefixUnaryExpression(node); - case 183: - return checkPostfixUnaryExpression(node); - case 184: - return checkBinaryExpression(node, contextualMapper); - case 185: - return checkConditionalExpression(node, contextualMapper); - case 188: - return checkSpreadElementExpression(node, contextualMapper); - case 190: - return undefinedType; - case 187: - return checkYieldExpression(node); - case 243: - return checkJsxExpression(node); - case 236: - return checkJsxElement(node); - case 237: - return checkJsxSelfClosingElement(node); - case 238: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); - } - return unknownType; - } - function checkTypeParameter(node) { - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); - } - } - function checkParameter(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (node.flags & 56) { - func = ts.getContainingFunction(node); - if (!(func.kind === 145 && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } - } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 144 || - node.kind === 216 || - node.kind === 176; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 69 && - param.name.text === parameter.text) { - return i; - } - } - } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } - else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_14 = _a[_i].name; - if (ts.isBindingPattern(name_14) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 177: - case 148: - case 216: - case 176: - case 153: - case 144: - case 143: - var parent_7 = node.parent; - if (node === parent_7.type) { - return parent_7; - } - } - } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var name_15 = _a[_i].name; - if (name_15.kind === 69 && - name_15.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_15.kind === 165 || - name_15.kind === 164) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } - } - function checkSignatureDeclaration(node) { - if (node.kind === 150) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 153 || node.kind === 216 || node.kind === 154 || - node.kind === 148 || node.kind === 145 || - node.kind === 149) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 149: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 148: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } - } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); - } - } - } - checkSpecializedSignatureDeclaration(node); - } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 218) { - var nodeSymbol = getSymbolOfNode(node); - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; - } - } - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 130: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 128: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } - } - } - } - function checkPropertyDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - checkFunctionOrMethodDeclaration(node); - if (node.flags & 128 && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); - } - } - function checkConstructorDeclaration(node) { - checkSignatureDeclaration(node); - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); - } - if (ts.nodeIsMissing(node.body)) { - return; - } - if (!produceDiagnostics) { - return; - } - function markThisReferencesAsErrors(n) { - if (n.kind === 97) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 176 && n.kind !== 216) { - ts.forEachChild(n, markThisReferencesAsErrors); - } - } - function isInstancePropertyWithInitializer(n) { - return n.kind === 142 && - !(n.flags & 64) && - !!n.initializer; - } - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return p.flags & (8 | 16 | 32); }); - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 198 && ts.isSuperCallExpression(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } - } - } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 146) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288)) { - if (node.flags & 1048576) { - if (compilerOptions.noImplicitReturns) { - error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - else { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } - } - } - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var otherKind = node.kind === 146 ? 147 : 146; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if (((node.flags & 56) !== (otherAccessor.flags & 56))) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - var currentAccessorType = getAnnotatedAccessorType(node); - var otherAccessorType = getAnnotatedAccessorType(otherAccessor); - if (currentAccessorType && otherAccessorType) { - if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { - error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - } - } - } - } - getTypeOfAccessors(getSymbolOfNode(node)); - } - if (node.parent.kind !== 168) { - checkSourceElement(node.body); - } - else { - checkNodeDeferred(node); - } - } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - } - function checkMissingDeclaration(node) { - checkDecorators(node); - } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); - } - } - return result; - } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType && node.typeArguments) { - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } - } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); - } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (node.flags & 16) && ts.isInAmbientContext(node); - } - function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { - if (!produceDiagnostics) { - return; - } - var signature = getSignatureFromDeclaration(signatureDeclarationNode); - if (!signature.hasStringLiterals) { - return; - } - if (ts.nodeIsPresent(signatureDeclarationNode.body)) { - error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); - return; - } - var signaturesToCheck; - if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218) { - ts.Debug.assert(signatureDeclarationNode.kind === 148 || signatureDeclarationNode.kind === 149); - var signatureKind = signatureDeclarationNode.kind === 148 ? 0 : 1; - var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); - var containingType = getDeclaredTypeOfSymbol(containingSymbol); - signaturesToCheck = getSignaturesOfType(containingType, signatureKind); - } - else { - signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); - } - for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { - var otherSignature = signaturesToCheck_1[_i]; - if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, false)) { - return; - } - } - error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedNodeFlags(n); - if (n.parent.kind !== 218 && - n.parent.kind !== 217 && - n.parent.kind !== 189 && - ts.isInAmbientContext(n)) { - if (!(flags & 4)) { - flags |= 2; - } - flags |= 4; - } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; - } - function getCanonicalOverload(overloads, implementation) { - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; - } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 2) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); - } - else if (deviation & 4) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (16 | 32)) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); - } - else if (deviation & 128) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); - } - }); - } - } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); - } - } - var flagsToCheck = 2 | 4 | 16 | 32 | 128; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 144 || node.kind === 143) && - (node.flags & 64) !== (subsequentNode.flags & 64); - if (reportError) { - var diagnostic = node.flags & 64 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); - } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; - } - } - } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - if (node.flags & 128) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); - } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); - } - } - } - var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536; - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 218 || node.parent.kind === 156 || inAmbientContext; - if (inAmbientContextOrInterface) { - previousDeclaration = undefined; - } - if (node.kind === 216 || node.kind === 144 || node.kind === 143 || node.kind === 145) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); - } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; - } - } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } - } - } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); - } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); - } - if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(lastSeenNonAmbientDeclaration.flags & 128)) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); - } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - if (!bodySignature.hasStringLiterals) { - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } - } - } - } - } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; - } - var symbol = node.localSymbol; - if (!symbol) { - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032)) { - return; - } - } - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; - } - var exportedDeclarationSpaces = 0; - var nonExportedDeclarationSpaces = 0; - var defaultExportedDeclarationSpaces = 0; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 | 512); - if (effectiveDeclarationFlags & 2) { - if (effectiveDeclarationFlags & 512) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } - } - else { - nonExportedDeclarationSpaces |= declarationSpaces; - } - } - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } - } - } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 218: - return 2097152; - case 221: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 - ? 4194304 | 1048576 - : 4194304; - case 217: - case 220: - return 2097152 | 1048576; - case 224: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576; - } - } - } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; - } - error(location, message); - } - return unknownType; - } - return type; - } - function getPromisedType(promise) { - if (promise.flags & 1) { - return undefined; - } - if ((promise.flags & 4096) && promise.target === tryGetGlobalPromiseType()) { - return promise.typeArguments[0]; - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (thenFunction && (thenFunction.flags & 1)) { - return undefined; - } - var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : emptyArray; - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); - if (onfulfilledParameterType.flags & 1) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); - return valueParameterType; - } - function getTypeOfFirstParameterOfSignature(signature) { - return getTypeAtPosition(signature, 0); - } - function getAwaitedType(type) { - return checkAwaitedType(type, undefined, undefined); - } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 16384) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; - } - } - } - } - function checkCorrectPromiseType(returnType, location) { - if (returnType === unknownType) { - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - return unknownType; - } - function checkAsyncFunctionReturnType(node) { - if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - return unknownType; - } - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - return unknownType; - } - checkReturnTypeAnnotationAsExpression(node); - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; - } - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; - } - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1) { - return; - } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 217: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; - case 139: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; - case 142: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 144: - case 146: - case 147: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; - } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); - } - function checkTypeNodeAsExpression(node) { - if (node && node.kind === 152) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 152 ? 793056 : 1536; - var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); - if (rootSymbol && rootSymbol.flags & 8388608) { - var aliasTarget = resolveAlias(rootSymbol); - if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } - } - } - } - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkParameterTypeAnnotationsAsExpressions(node) { - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } - } - function checkDecorators(node) { - if (!node.decorators) { - return; - } - if (!ts.nodeCanBeDecorated(node)) { - return; - } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); - } - if (compilerOptions.emitDecoratorMetadata) { - switch (node.kind) { - case 217: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 144: - case 146: - case 147: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 142: - case 139: - checkTypeAnnotationAsExpression(node); - break; - } - } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - if (node.name && node.name.kind === 137) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - checkFunctionOrConstructorSymbol(symbol); - } - } - } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); - } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - } - } - function checkBlock(node) { - if (node.kind === 195) { - checkGrammarStatementInAmbientContext(node); - } - ts.forEach(node.statements, checkSourceElement); - } - function checkCollisionWithArgumentsInGeneratedCode(node) { - if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); - } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; - } - if (node.kind === 142 || - node.kind === 141 || - node.kind === 144 || - node.kind === 143 || - node.kind === 146 || - node.kind === 147) { - return false; - } - if (ts.isInAmbientContext(node)) { - return false; - } - var root = ts.getRootDeclaration(node); - if (root.kind === 139 && ts.nodeIsMissing(root.parent.body)) { - return false; - } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); - } - } - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4) { - var isDeclaration_1 = node.kind !== 69; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); - } - return; - } - current = current.parent; - } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; - } - var enclosingClass = ts.getContainingClass(node); - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; - } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 69; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } - } - } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent)) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!compilerOptions.noCustomAsyncPromise) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { - return; - } - var parent = getDeclarationContainer(node); - if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432) { - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkVarDeclaredNamesNotShadowed(node) { - if ((ts.getCombinedNodeFlags(node) & 24576) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - if (node.kind === 214 && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2) { - if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215); - var container = varDeclList.parent.kind === 196 && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - var namesShareScope = container && - (container.kind === 195 && ts.isFunctionLike(container.parent) || - container.kind === 222 || - container.kind === 221 || - container.kind === 251); - if (!namesShareScope) { - var name_16 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); - } - } - } - } - } - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 139) { - return; - } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (n.kind === 69) { - var referencedSymbol = getNodeLinks(n).resolvedSymbol; - if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455) === referencedSymbol) { - if (referencedSymbol.valueDeclaration.kind === 139) { - if (referencedSymbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - if (referencedSymbol.valueDeclaration.pos < node.pos) { - return; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } - } - else { - ts.forEachChild(n, visit); - } - } - } - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - if (node.name.kind === 137) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } - } - if (node.kind === 166) { - if (node.propertyName && node.propertyName.kind === 137) { - checkComputedPropertyName(node.propertyName); - } - } - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); - } - if (node.initializer && ts.getRootDeclaration(node).kind === 139 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; - } - if (ts.isBindingPattern(node.name)) { - if (node.initializer && node.parent.parent.kind !== 203) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); - checkParameterInitializer(node); - } - return; - } - var symbol = getSymbolOfNode(node); - var type = getTypeOfVariableOrParameterOrProperty(symbol); - if (node === symbol.valueDeclaration) { - if (node.initializer && node.parent.parent.kind !== 203) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); - checkParameterInitializer(node); - } - } - else { - var declarationType = getWidenedTypeForVariableLikeDeclaration(node); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); - } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); - } - } - if (node.kind !== 142 && node.kind !== 141) { - checkExportsOnMergedDeclarations(node); - if (node.kind === 214 || node.kind === 166) { - checkVarDeclaredNamesNotShadowed(node); - } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); - } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - if (node.modifiers && node.parent.kind === 168) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - } - function checkExpressionStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 197) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); - } - function checkDoStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); - } - function checkWhileStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); - } - function checkForStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 215) { - checkGrammarVariableDeclarationList(node.initializer); - } - } - if (node.initializer) { - if (node.initializer.kind === 215) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); - } - } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 215) { - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - if (varExpr.kind === 167 || varExpr.kind === 168) { - checkDestructuringAssignment(varExpr, iteratedType || unknownType); - } - else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); - } - } - } - checkSourceElement(node.statement); - } - function checkForInStatement(node) { - checkGrammarForInOrForOfStatement(node); - if (node.initializer.kind === 215) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 167 || varExpr.kind === 168) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); - } - else { - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); - } - } - var rightType = checkExpression(node.expression); - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - checkSourceElement(node.statement); - } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); - } - } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = getTypeOfExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); - } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2) { - return checkElementTypeOfIterable(inputType, errorNode); - } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); - } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1); - if (indexType) { - return indexType; - } - } - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); - return unknownType; - } - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); - } - return elementType || anyType; - } - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - if ((type.flags & 4096) && type.target === globalIterableType) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); - } - return undefined; - } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); - } - } - return typeAsIterable.iterableElementType; - } - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - if ((type.flags & 4096) && type.target === globalIteratorType) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; - } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); - } - return undefined; - } - typeAsIterator.iteratorElementType = iteratorNextValue; - } - } - return typeAsIterator.iteratorElementType; - } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; - } - if ((type.flags & 4096) && type.target === globalIterableIteratorType) { - return type.typeArguments[0]; - } - return getElementTypeOfIterable(type, undefined) || - getElementTypeOfIterator(type, undefined); - } - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2); - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 16384) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258); })); - } - else if (arrayOrStringType.flags & 258) { - arrayType = emptyUnionType; - } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; - } - if (arrayType === emptyObjectType) { - return stringType; - } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); - } - return hasStringConstituent ? stringType : unknownType; - } - var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; - if (hasStringConstituent) { - if (arrayElementType.flags & 258) { - return stringType; - } - return getUnionType([arrayElementType, stringType]); - } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - } - function isGetAccessorWithAnnotatatedSetAccessor(node) { - return !!(node.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147))); - } - function checkReturnStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - var exprType = checkExpressionCached(node.expression); - if (func.asteriskToken) { - return; - } - if (func.kind === 147) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - else if (func.kind === 145) { - if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - checkTypeAssignableTo(awaitedType, promisedType, node.expression); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression); - } - } - } - } - } - function checkWithStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.parserContextFlags & 8) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } - } - checkExpression(node.expression); - error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); - } - function checkSwitchStatement(node) { - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258); - ts.forEach(node.caseBlock.clauses, function (clause) { - if (clause.kind === 245 && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; - } - else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; - } - } - if (produceDiagnostics && clause.kind === 244) { - var caseClause = clause; - var caseType = checkExpression(caseClause.expression); - var expressionTypeIsAssignableToCaseType = (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258)) || - isTypeAssignableTo(expressionType, caseType); - if (!expressionTypeIsAssignableToCaseType) { - checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined); - } - } - ts.forEach(clause.statements, checkSourceElement); - }); - } - function checkLabeledStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 210 && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; - } - } - checkSourceElement(node.statement); - } - function checkThrowStatement(node) { - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); - } - } - if (node.expression) { - checkExpression(node.expression); - } - } - function checkTryStatement(node) { - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 69) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals && ts.hasProperty(locals, identifierName)) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } - } - checkBlock(catchClause.block); - } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); - } - } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); - var stringIndexType = getIndexTypeOfType(type, 0); - var numberIndexType = getIndexTypeOfType(type, 1); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); - }); - if (type.flags & 1024 && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (!(member.flags & 64) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); - } - } - } - } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - if (!errorNode && (type.flags & 2048)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; - } - } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); - } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { - return; - } - var errorNode; - if (prop.valueDeclaration.name.kind === 137 || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 2048) { - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); - } - } - } - function checkTypeNameIsReserved(name, message) { - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); - } - } - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } - } - } - } - } - } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); - } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - } - function checkClassDeclaration(node) { - if (!node.name && !(node.flags & 512)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); - } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); - } - } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 4096) ? t.target : t; - if (declaredType.flags & (1024 | 2048)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } - } - } - } - } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function getTargetSymbol(s) { - return s.flags & 16777216 ? getSymbolLinks(s).target : s; - } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); - } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728) { - continue; - } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - if (derived === base) { - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(derivedClassDecl.flags & 128))) { - if (derivedClassDecl.kind === 189) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 16) || (derivedDeclarationFlags & 16)) { - continue; - } - if ((baseDeclarationFlags & 64) !== (derivedDeclarationFlags & 64)) { - continue; - } - if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { - continue; - } - var errorMessage = void 0; - if (base.flags & 8192) { - if (derived.flags & 98304) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4) { - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304) !== 0); - ts.Debug.assert((derived.flags & 8192) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; - } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); - } - } - } - } - function isAccessor(kind) { - return kind === 146 || kind === 147; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; - } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; - } - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } - } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; - } - var seen = {}; - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { - var prop = properties_4[_a]; - if (!ts.hasProperty(seen, prop.name)) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var existing = seen[prop.name]; - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } - } - } - } - return ok; - } - function checkInterfaceDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218); - if (symbol.declarations.length > 1) { - if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); - } - } - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); - } - checkIndexConstraints(type); - } - } - } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkTypeAliasDeclaration(node) { - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; - } - } - nodeLinks.flags |= 16384; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); - } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); - } - else { - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); - } - } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); - } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); - } - } - } - return value; - function evalConstant(e) { - switch (e.kind) { - case 182: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 35: return value_1; - case 36: return -value_1; - case 50: return ~value_1; - } - return undefined; - case 184: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 47: return left | right; - case 46: return left & right; - case 44: return left >> right; - case 45: return left >>> right; - case 43: return left << right; - case 48: return left ^ right; - case 37: return left * right; - case 39: return left / right; - case 35: return left + right; - case 36: return left - right; - case 40: return left % right; - } - return undefined; - case 8: - return +e.text; - case 175: - return evalConstant(e.expression); - case 69: - case 170: - case 169: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 69) { - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 170) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - var current = expression; - while (current) { - if (current.kind === 69) { - break; - } - else if (current.kind === 169) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - if (member === propertyDecl) { - return undefined; - } - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; - } - } - } - } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); - } - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); - } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - if (declaration.kind !== 220) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); - } - } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 217 || - (declaration.kind === 216 && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; - } - } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); - } - else if (isGlobalSourceFile(container2)) { - return false; - } - else { - return container1 === container2; - } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); - } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } - } - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - if (symbol.flags & 512 - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); - } - } - var mergedClass = ts.getDeclarationOfKind(symbol, 217); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768; - } - } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); - if (checkBody) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } - } - } - checkSourceElement(node.body); - } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 196: - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 230: - case 231: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 224: - if (node.moduleReference.kind !== 9) { - error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - break; - } - case 225: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 166: - case 214: - var name_17 = node.name; - if (ts.isBindingPattern(name_17)) { - for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { - var el = _c[_b]; - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } - case 217: - case 220: - case 216: - case 218: - case 221: - case 219: - var symbol = getSymbolOfNode(node); - if (symbol) { - var reportError = !(symbol.flags & 33554432); - if (!reportError) { - if (isGlobalAugmentation) { - reportError = symbol.parent !== undefined; - } - else { - reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); - } - } - if (reportError) { - error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - } - } - break; - } - } - function getFirstIdentifier(node) { - while (true) { - if (node.kind === 136) { - node = node.left; - } - else if (node.kind === 169) { - node = node.expression; - } - else { - break; - } - } - ts.Debug.assert(node.kind === 69); - return node; - } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { - error(moduleName, ts.Diagnostics.String_literal_expected); - return false; - } - var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 && !inAmbientExternalModule) { - error(moduleName, node.kind === 231 ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); - return false; - } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - if (!isTopLevelInExternalModuleAugmentation(node)) { - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } - } - return true; - } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & 107455 ? 107455 : 0) | - (symbol.flags & 793056 ? 793056 : 0) | - (symbol.flags & 1536 ? 1536 : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 233 ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); - } - } - } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); - } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); - } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); - } - } - } - } - } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (node.flags & 2) { - markExportAsReferenced(node); - } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455) { - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 | 1536).flags & 1536)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793056) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); - } - } - } - else { - if (modulekind === 5 && !ts.isInAmbientContext(node)) { - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); - } - } - } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); - } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); - } - } - else { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); - } - } - } - } - function checkGrammarModuleElementContext(node, errorMessage) { - if (node.parent.kind !== 251 && node.parent.kind !== 222 && node.parent.kind !== 221) { - return grammarErrorOnFirstToken(node, errorMessage); - } - } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - var symbol = resolveName(exportedName, exportedName.text, 107455 | 793056 | 1536 | 8388608, undefined, undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); - } - else { - markExportAsReferenced(node); - } - } - } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { - return; - } - var container = node.parent.kind === 251 ? node.parent : node.parent.parent; - if (container.kind === 221 && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); - } - if (node.expression.kind === 69) { - markExportAsReferenced(node); - } - else { - checkExpressionCached(node.expression); - } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === 5) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === 4) { - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } - } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; - } - } - return false; - } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - var exports_2 = getExportsOfModule(moduleSymbol); - for (var id in exports_2) { - if (id === "__export") { - continue; - } - var _a = exports_2[id], declarations = _a.declarations, flags = _a.flags; - if (!(flags & (1536 | 64 | 384)) && (flags & 524288 ? declarations.length - 1 : declarations.length) > 1) { - var exportedDeclarations = ts.filter(declarations, isNotOverload); - if (exportedDeclarations.length > 1) { - for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { - var declaration = exportedDeclarations_1[_i]; - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); - } - } - } - } - links.exportsChecked = true; - } - function isNotOverload(declaration) { - return declaration.kind !== 216 || !!declaration.body; - } - } - function checkSourceElement(node) { - if (!node) { - return; - } - var kind = node.kind; - if (cancellationToken) { - switch (kind) { - case 221: - case 217: - case 218: - case 216: - cancellationToken.throwIfCancellationRequested(); - } - } - switch (kind) { - case 138: - return checkTypeParameter(node); - case 139: - return checkParameter(node); - case 142: - case 141: - return checkPropertyDeclaration(node); - case 153: - case 154: - case 148: - case 149: - return checkSignatureDeclaration(node); - case 150: - return checkSignatureDeclaration(node); - case 144: - case 143: - return checkMethodDeclaration(node); - case 145: - return checkConstructorDeclaration(node); - case 146: - case 147: - return checkAccessorDeclaration(node); - case 152: - return checkTypeReferenceNode(node); - case 151: - return checkTypePredicate(node); - case 155: - return checkTypeQuery(node); - case 156: - return checkTypeLiteral(node); - case 157: - return checkArrayType(node); - case 158: - return checkTupleType(node); - case 159: - case 160: - return checkUnionOrIntersectionType(node); - case 161: - return checkSourceElement(node.type); - case 216: - return checkFunctionDeclaration(node); - case 195: - case 222: - return checkBlock(node); - case 196: - return checkVariableStatement(node); - case 198: - return checkExpressionStatement(node); - case 199: - return checkIfStatement(node); - case 200: - return checkDoStatement(node); - case 201: - return checkWhileStatement(node); - case 202: - return checkForStatement(node); - case 203: - return checkForInStatement(node); - case 204: - return checkForOfStatement(node); - case 205: - case 206: - return checkBreakOrContinueStatement(node); - case 207: - return checkReturnStatement(node); - case 208: - return checkWithStatement(node); - case 209: - return checkSwitchStatement(node); - case 210: - return checkLabeledStatement(node); - case 211: - return checkThrowStatement(node); - case 212: - return checkTryStatement(node); - case 214: - return checkVariableDeclaration(node); - case 166: - return checkBindingElement(node); - case 217: - return checkClassDeclaration(node); - case 218: - return checkInterfaceDeclaration(node); - case 219: - return checkTypeAliasDeclaration(node); - case 220: - return checkEnumDeclaration(node); - case 221: - return checkModuleDeclaration(node); - case 225: - return checkImportDeclaration(node); - case 224: - return checkImportEqualsDeclaration(node); - case 231: - return checkExportDeclaration(node); - case 230: - return checkExportAssignment(node); - case 197: - checkGrammarStatementInAmbientContext(node); - return; - case 213: - checkGrammarStatementInAmbientContext(node); - return; - case 234: - return checkMissingDeclaration(node); - } - } - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); - } - } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 176: - case 177: - case 144: - case 143: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 146: - case 147: - checkAccessorDeferred(node); - break; - case 189: - checkClassExpressionDeferred(node); - break; - } - } - } - function checkSourceFile(node) { - var start = new Date().getTime(); - checkSourceFileWorker(node); - ts.checkTime += new Date().getTime() - start; - } - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1)) { - if (compilerOptions.skipDefaultLibCheck) { - if (node.hasNoDefaultLib) { - return; - } - } - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - deferredNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); - } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; - } - links.flags |= 1; - } - } - function getDiagnostics(sourceFile, ct) { - try { - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); - } - finally { - cancellationToken = undefined; - } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); - } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); - } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); - } - } - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 208 && node.parent.statement === node) { - return true; - } - node = node.parent; - } - } - return false; - } - function getSymbolsInScope(location, meaning) { - var symbols = {}; - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 251: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 221: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); - break; - case 220: - copySymbols(getSymbolOfNode(location).exports, meaning & 8); - break; - case 189: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - case 217: - case 218: - if (!(memberFlags & 64)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793056); - } - break; - case 176: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = location.flags; - location = location.parent; - } - copySymbols(globals, meaning); - } - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - if (!ts.hasProperty(symbols, id)) { - symbols[id] = symbol; - } - } - } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); - } - } - } - } - function isTypeDeclarationName(name) { - return name.kind === 69 && - isTypeDeclaration(name.parent) && - name.parent.name === name; - } - function isTypeDeclaration(node) { - switch (node.kind) { - case 138: - case 217: - case 218: - case 219: - case 220: - return true; - } - } - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 136) { - node = node.parent; - } - return node.parent && node.parent.kind === 152; - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 169) { - node = node.parent; - } - return node.parent && node.parent.kind === 191; - } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 136) { - nodeOnRightSide = nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 224) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 230) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; - } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; - } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1: - case 3: - return getSymbolOfNode(entityName.parent); - case 4: - case 2: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 230) { - return resolveEntityName(entityName, 107455 | 793056 | 1536 | 8388608); - } - if (entityName.kind !== 169) { - if (isInRightSideOfImportOrExportAssignment(entityName)) { - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); - } - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0; - if (entityName.parent.kind === 191) { - meaning = 793056; - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455; - } - } - else { - meaning = 1536; - } - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if ((entityName.parent.kind === 238) || - (entityName.parent.kind === 237) || - (entityName.parent.kind === 240)) { - return getJsxElementTagSymbol(entityName.parent); - } - else if (ts.isExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { - return undefined; - } - if (entityName.kind === 69) { - var meaning = 107455 | 8388608; - return resolveEntityName(entityName, meaning); - } - else if (entityName.kind === 169) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - else if (entityName.kind === 136) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = entityName.parent.kind === 152 ? 793056 : 1536; - meaning |= 8388608; - return resolveEntityName(entityName, meaning); - } - else if (entityName.parent.kind === 241) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 151) { - return resolveEntityName(entityName, 1); - } - return undefined; - } - function getSymbolAtLocation(node) { - if (isInsideWithStatementBody(node)) { - return undefined; - } - if (ts.isDeclarationName(node)) { - return getSymbolOfNode(node.parent); - } - if (node.kind === 69) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return node.parent.kind === 230 - ? getSymbolOfEntityNameOrPropertyAccessExpression(node) - : getSymbolOfPartOfRightHandSideOfImportEquals(node); - } - else if (node.parent.kind === 166 && - node.parent.parent.kind === 164 && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; - } - } - } - switch (node.kind) { - case 69: - case 169: - case 136: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 97: - case 95: - var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 162: - return getTypeFromTypeNode(node).symbol; - case 121: - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 145) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9: - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 225 || node.parent.kind === 231) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - case 8: - if (node.parent.kind === 170 && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); - } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - if (location && location.kind === 249) { - return resolveEntityName(location.name, 107455 | 8388608); - } - return undefined; - } - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536 | 8388608); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - return unknownType; - } - if (ts.isTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent); - } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); - } - return unknownType; - } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; - } - return checkExpression(expr); - } - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return node.flags & 64 - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); - } - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!ts.hasProperty(propsByName, p.name)) { - propsByName[p.name] = p; - } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456) { - var symbols_3 = []; - var name_18 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_18); - if (symbol) { - symbols_3.push(symbol); - } - }); - return symbols_3; - } - else if (symbol.flags & 67108864) { - var target = getSymbolLinks(symbol).target; - if (target) { - return [target]; - } - } - return [symbol]; - } - function isArgumentsLocalBinding(node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol) { - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455) - : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455); - } - } - function getReferencedExportContainer(node) { - var symbol = getReferencedValueSymbol(node); - if (symbol) { - if (symbol.flags & 1048576) { - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (exportSymbol.flags & 944) { - return undefined; - } - symbol = exportSymbol; - } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 251) { - return parentSymbol.valueDeclaration; - } - for (var n = node.parent; n; n = n.parent) { - if ((n.kind === 221 || n.kind === 220) && getSymbolOfNode(n) === parentSymbol) { - return n; - } - } - } - } - } - function getReferencedImportDeclaration(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && symbol.flags & 8388608 ? getDeclarationOfAliasSymbol(symbol) : undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418) { - var links = getSymbolLinks(symbol); - if (links.isDeclaratonWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { - links.isDeclaratonWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072) { - var isDeclaredInLoop = nodeLinks_1.flags & 262144; - var inLoopInitializer = ts.isIterationStatement(container, false); - var inLoopBodyBlock = container.kind === 195 && ts.isIterationStatement(container.parent, false); - links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclaratonWithCollidingName = false; - } - } - } - return links.isDeclaratonWithCollidingName; - } - return false; - } - function getReferencedDeclarationWithCollidingName(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; - } - function isDeclarationWithCollidingName(node) { - return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); - } - function isValueAliasDeclaration(node) { - switch (node.kind) { - case 224: - case 226: - case 227: - case 229: - case 233: - return isAliasResolvedToValue(getSymbolOfNode(node)); - case 231: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 230: - return node.expression && node.expression.kind === 69 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; - } - return false; - } - function isTopLevelValueImportEqualsWithEntityName(node) { - if (node.parent.kind !== 251 || !ts.isInternalModuleImportEqualsDeclaration(node)) { - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); - } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol && compilerOptions.isolatedModules) { - return true; - } - return target !== unknownSymbol && - target && - target.flags & 107455 && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); - } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; - } - function isReferencedAliasDeclaration(node, checkChildren) { - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (getSymbolLinks(symbol).referenced) { - return true; - } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); - } - return false; - } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - return signaturesOfSymbol.length > 1 || - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); - } - return false; - } - function getNodeCheckFlags(node) { - return getNodeLinks(node).flags; - } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; - } - function getConstantValue(node) { - if (node.kind === 250) { - return getEnumMemberValue(node); - } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8)) { - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); - } - } - return undefined; - } - function isFunctionType(type) { - return type.flags & 80896 && getSignaturesOfType(type, 0).length > 0; - } - function getTypeReferenceSerializationKind(typeName) { - var valueSymbol = resolveEntityName(typeName, 107455, true); - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; - } - var typeSymbol = resolveEntityName(typeName, 793056, true); - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; - } - else if (type.flags & 1) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - else if (allConstituentTypesHaveKind(type, 16)) { - return ts.TypeReferenceSerializationKind.VoidType; - } - else if (allConstituentTypesHaveKind(type, 8)) { - return ts.TypeReferenceSerializationKind.BooleanType; - } - else if (allConstituentTypesHaveKind(type, 132)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; - } - else if (allConstituentTypesHaveKind(type, 258)) { - return ts.TypeReferenceSerializationKind.StringLikeType; - } - else if (allConstituentTypesHaveKind(type, 8192)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else if (allConstituentTypesHaveKind(type, 16777216)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; - } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; - } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else { - return ts.TypeReferenceSerializationKind.ObjectType; - } - } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 | 131072)) - ? getTypeOfSymbol(symbol) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getTypeOfExpression(expr); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return ts.hasProperty(globals, name); - } - function getReferencedValueSymbol(reference) { - return getNodeLinks(reference).resolvedSymbol || - resolveName(reference, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); - } - function getReferencedValueDeclaration(reference) { - ts.Debug.assert(!ts.nodeIsSynthesized(reference)); - var symbol = getReferencedValueSymbol(reference); - return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; - } - function createResolver() { - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration - }; - } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); - if (!moduleSymbol) { - return undefined; - } - return ts.getDeclarationOfKind(moduleSymbol, 251); - } - function initializeTypeChecker() { - ts.forEach(host.getSourceFiles(), function (file) { - ts.bindSourceFile(file, compilerOptions); - }); - var augmentations; - ts.forEach(host.getSourceFiles(), function (file) { - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); - } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); - } - }); - if (augmentations) { - for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { - var list = augmentations_1[_i]; - for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { - var augmentation = list_2[_a]; - mergeModuleAugmentation(augmentation); - } - } - } - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - globalArrayType = getGlobalType("Array", 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056, undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - if (languageVersion >= 2) { - globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); - globalESSymbolType = getGlobalType("Symbol"); - globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); - globalIterableType = getGlobalType("Iterable", 1); - globalIteratorType = getGlobalType("Iterator", 1); - globalIterableIteratorType = getGlobalType("IterableIterator", 1); - } - else { - globalTemplateStringsArrayType = unknownType; - globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - globalESSymbolConstructorSymbol = undefined; - globalIterableType = emptyGenericType; - globalIteratorType = emptyGenericType; - globalIterableIteratorType = emptyGenericType; - } - anyArrayType = createArrayType(anyType); - } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); - } - return emptyObjectType; - } - function createThenableType() { - var thenPropertySymbol = createSymbol(67108864 | 4, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(65536); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; - } - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 144 && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } - } - else if (node.kind === 146 || node.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); - } - } - return false; - } - function checkGrammarModifiers(node) { - switch (node.kind) { - case 146: - case 147: - case 145: - case 142: - case 141: - case 144: - case 143: - case 150: - case 221: - case 225: - case 224: - case 231: - case 230: - case 139: - break; - case 216: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118) && - node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 217: - case 218: - case 196: - case 219: - if (node.modifiers && node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 220: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74) && - node.parent.kind !== 222 && node.parent.kind !== 251) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - default: - return false; - } - if (!node.modifiers) { - return; - } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - switch (modifier.kind) { - case 74: - if (node.kind !== 220 && node.parent.kind === 217) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74)); - } - break; - case 112: - case 111: - case 110: - var text = void 0; - if (modifier.kind === 112) { - text = "public"; - } - else if (modifier.kind === 111) { - text = "protected"; - lastProtected = modifier; - } - else { - text = "private"; - lastPrivate = modifier; - } - if (flags & 56) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 222 || node.parent.kind === 251) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); - } - else if (flags & 128) { - if (modifier.kind === 110) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 113: - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 222 || node.parent.kind === 251) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 64; - lastStatic = modifier; - break; - case 82: - if (flags & 2) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 4) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 217) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 2; - break; - case 122: - if (flags & 4) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.parent.kind === 217) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); - } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); - } - flags |= 4; - lastDeclare = modifier; - break; - case 115: - if (flags & 128) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); - } - if (node.kind !== 217) { - if (node.kind !== 144) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); - } - if (!(node.parent.kind === 217 && node.parent.flags & 128)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 64) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 16) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); - } - } - flags |= 128; - break; - case 118: - if (flags & 256) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 4 || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 139) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); - } - flags |= 256; - lastAsync = modifier; - break; - } - } - if (node.kind === 145) { - if (flags & 64) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); - } - if (flags & 128) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); - } - else if (flags & 32) { - return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); - } - else if (flags & 16) { - return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); - } - else if (flags & 256) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); - } - return; - } - else if ((node.kind === 225 || node.kind === 224) && flags & 4) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); - } - else if (node.kind === 139 && (flags & 56) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); - } - if (flags & 256) { - return checkGrammarAsyncModifier(node, lastAsync); - } - } - function checkGrammarAsyncModifier(node, asyncModifier) { - if (languageVersion < 2) { - return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); - } - switch (node.kind) { - case 144: - case 216: - case 176: - case 177: - if (!node.asteriskToken) { - return false; - } - break; - } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); - } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function checkGrammarTypeParameterList(node, typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; - } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); - } - } - function checkGrammarParameterList(parameters) { - if (checkGrammarForDisallowedTrailingComma(parameters)) { - return true; - } - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); - } - } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); - } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); - } - } - } - function checkGrammarFunctionLikeDeclaration(node) { - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); - } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 177) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); - } - } - return false; - } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); - } - if (parameter.flags & 1022) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); - } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); - } - if (parameter.type.kind !== 130 && parameter.type.kind !== 128) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); - } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); - } - } - function checkGrammarForIndexSignatureModifier(node) { - if (node.flags & 1022) { - grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); - } - } - function checkGrammarIndexSignature(node) { - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); - } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { - var arg = args_1[_i]; - if (arg.kind === 190) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); - } - } - } - } - function checkGrammarArguments(node, args) { - return checkGrammarForDisallowedTrailingComma(args) || - checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; - } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); - } - } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); - } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); - } - seenImplementsClause = true; - } - checkGrammarHeritageClause(heritageClause); - } - } - } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); - } - checkGrammarHeritageClause(heritageClause); - } - } - return false; - } - function checkGrammarComputedPropertyName(node) { - if (node.kind !== 137) { - return false; - } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 184 && computedPropertyName.expression.operatorToken.kind === 24) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); - } - } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 216 || - node.kind === 176 || - node.kind === 144); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); - } - } - } - function checkGrammarForInvalidQuestionMark(node, questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); - } - } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = {}; - var Property = 1; - var GetAccessor = 2; - var SetAccesor = 4; - var GetOrSetAccessor = GetAccessor | SetAccesor; - var _loop_1 = function(prop) { - var name_19 = prop.name; - if (prop.kind === 190 || - name_19.kind === 137) { - checkGrammarComputedPropertyName(name_19); - return "continue"; - } - if (prop.kind === 249 && !inDestructuring && prop.objectAssignmentInitializer) { - return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; - } - ts.forEach(prop.modifiers, function (mod) { - if (mod.kind !== 118 || prop.kind !== 144) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - }); - var currentKind = void 0; - if (prop.kind === 248 || prop.kind === 249) { - checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_19.kind === 8) { - checkGrammarNumericLiteral(name_19); - } - currentKind = Property; - } - else if (prop.kind === 144) { - currentKind = Property; - } - else if (prop.kind === 146) { - currentKind = GetAccessor; - } - else if (prop.kind === 147) { - currentKind = SetAccesor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - if (!ts.hasProperty(seen, name_19.text)) { - seen[name_19.text] = currentKind; - } - else { - var existingKind = seen[name_19.text]; - if (currentKind === Property && existingKind === Property) { - return "continue"; - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[name_19.text] = currentKind | existingKind; - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; - } - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; - } - } - }; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var state_2 = _loop_1(prop); - if (typeof state_2 === "object") return state_2.value; - if (state_2 === "continue") continue; - } - } - function checkGrammarJsxElement(node) { - var seen = {}; - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 242) { - continue; - } - var jsxAttr = attr; - var name_20 = jsxAttr.name; - if (!ts.hasProperty(seen, name_20.text)) { - seen[name_20.text] = true; - } - else { - return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 243 && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); - } - } - } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; - } - if (forInOrOfStatement.initializer.kind === 215) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 203 - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); - } - } - } - return false; - } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (kind === 146 && accessor.parameters.length) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); - } - else if (kind === 147) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); - } - else if (accessor.parameters.length !== 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); - } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); - } - else if (parameter.flags & 1022) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); - } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); - } - } - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } - } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 168) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - } - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); - } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); - } - } - else if (node.parent.kind === 218) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); - } - else if (node.parent.kind === 156) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); - } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 210: - if (node.label && current.label.text === node.label.text) { - var isMisplacedContinueLabel = node.kind === 205 - && !ts.isIterationStatement(current.statement, true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 209: - if (node.kind === 206 && !node.label) { - return false; - } - break; - default: - if (ts.isIterationStatement(current, false) && !node.label) { - return false; - } - break; - } - current = current.parent; - } - if (node.label) { - var message = node.kind === 206 - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - else { - var message = node.kind === 206 - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 165 || node.name.kind === 164) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (node.initializer) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 203 && node.parent.parent.kind !== 204) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } - } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 69) { - if (name.originalKeywordKind === 108) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); - } - } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (element.kind !== 190) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } - } - } - } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { - return true; - } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); - } - } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 199: - case 200: - case 201: - case 208: - case 202: - case 203: - case 204: - return false; - case 210: - return allowLetAndConstDeclarations(parent.parent); - } - return true; - } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); - } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); - } - } - } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; - } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } - } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || - checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - } - else if (node.parent.kind === 218) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); - } - } - else if (node.parent.kind === 156) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); - } - } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - if (node.kind === 218 || - node.kind === 219 || - node.kind === 225 || - node.kind === 224 || - node.kind === 231 || - node.kind === 230 || - (node.flags & 4) || - (node.flags & (2 | 512))) { - return false; - } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); - } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 196) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } - } - } - } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); - } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); - } - if (node.parent.kind === 195 || node.parent.kind === 222 || node.parent.kind === 251) { - var links_1 = getNodeLinks(node.parent); - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); - } - } - else { - } - } - } - function checkGrammarNumericLiteral(node) { - if (node.flags & 32768 && languageVersion >= 1) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); - } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2)); - return true; - } - } - var _a; - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -var ts; -(function (ts) { - var nullSourceMapWriter; - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function getNullSourceMapWriter() { - if (nullSourceMapWriter === undefined) { - nullSourceMapWriter = { - getSourceMapData: function () { return undefined; }, - setSourceFile: function (sourceFile) { }, - emitStart: function (range) { }, - emitEnd: function (range, stopOverridingSpan) { }, - emitPos: function (pos) { }, - changeEmitSourcePos: function () { }, - getText: function () { return undefined; }, - getSourceMappingURL: function () { return undefined; }, - initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, - reset: function () { } - }; - } - return nullSourceMapWriter; - } - ts.getNullSourceMapWriter = getNullSourceMapWriter; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var currentSourceFile; - var sourceMapDir; - var stopOverridingSpan = false; - var modifyLastSourcePos = false; - var sourceMapSourceIndex; - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - var sourceMapData; - return { - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitStart: emitStart, - emitEnd: emitEnd, - changeEmitSourcePos: changeEmitSourcePos, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - initialize: initialize, - reset: reset - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - sourceMapSourceIndex = -1; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } - } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); - } - } - function reset() { - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; - } - function updateLastEncodedAndRecordedSpans() { - if (modifyLastSourcePos) { - modifyLastSourcePos = false; - lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; - lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; - sourceMapData.sourceMapDecodedMappings.pop(); - lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? - sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : - defaultLastEncodedSourceMapSpan; - var sourceMapMappings = sourceMapData.sourceMapMappings; - var lenthToSet = sourceMapMappings.length - 1; - for (; lenthToSet >= 0; lenthToSet--) { - var currentChar = sourceMapMappings.charAt(lenthToSet); - if (currentChar === ",") { - break; - } - if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { - break; - } - } - sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); - } - } - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { - return; - } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; - } - } - else { - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; - } - prevEncodedEmittedColumn = 1; - } - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (pos === -1) { - return; - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - encodeLastRecordedSourceMapSpan(); - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - stopOverridingSpan = false; - } - else if (!stopOverridingSpan) { - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - updateLastEncodedAndRecordedSpans(); - } - function getStartPos(range) { - var rangeHasDecorators = !!range.decorators; - return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; - } - function emitStart(range) { - emitPos(getStartPos(range)); - } - function emitEnd(range, stopOverridingEnd) { - emitPos(range.end); - stopOverridingSpan = stopOverridingEnd; - } - function changeEmitSourcePos() { - ts.Debug.assert(!modifyLastSourcePos); - modifyLastSourcePos = true; - } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - sourceMapData.inputSourceFileNames.push(sourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(sourceFile.text); - } - } - } - function getText() { - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent - }); - } - function getSourceMappingURL() { - if (compilerOptions.inlineSourceMap) { - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; - } - else { - return sourceMapData.jsSourceMappingURL; - } - } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); - } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; - } - else { - inValue = inValue << 1; - } - var encodedStr = ""; - do { - var currentDigit = inValue & 31; - inValue = inValue >> 5; - if (inValue > 0) { - currentDigit = currentDigit | 32; - } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); - } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer = createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - var referencePathsOutput = ""; - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); - } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); - } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); - } - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 225); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); - } - } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; - } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - write("export {};"); - writeLine(); - } - }); - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencePathsOutput: referencePathsOutput - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; - } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); - } - } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); - return writer; - } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; - } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 214) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 228 || declaration.kind === 229 || declaration.kind === 226) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 225) { - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 221) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 221) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } - }); - setWriter(oldWriter); - } - function handleSymbolAccessibilityError(symbolAccesibilityResult) { - if (symbolAccesibilityResult.accessibility === 0) { - if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); - } - } - else { - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - } - } - } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); - } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); - } - } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - emitType(type); - } - else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer); - errorNameNode = undefined; - } - } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - emitType(signature.type); - } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer); - errorNameNode = undefined; - } - } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } - } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } - } - } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); - } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, true, newLine, ts.writeCommentRange); - } - } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); - } - function emitType(type) { - switch (type.kind) { - case 117: - case 130: - case 128: - case 120: - case 131: - case 103: - case 162: - case 163: - return writeTextOfNode(currentText, type); - case 191: - return emitExpressionWithTypeArguments(type); - case 152: - return emitTypeReference(type); - case 155: - return emitTypeQuery(type); - case 157: - return emitArrayType(type); - case 158: - return emitTupleType(type); - case 159: - return emitUnionType(type); - case 160: - return emitIntersectionType(type); - case 161: - return emitParenType(type); - case 153: - case 154: - return emitSignatureDeclarationWithJsDocComments(type); - case 156: - return emitTypeLiteral(type); - case 69: - return emitEntityName(type); - case 136: - return emitEntityName(type); - case 151: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 69) { - writeTextOfNode(currentText, entityName); - } - else { - var left = entityName.kind === 136 ? entityName.left : entityName.expression; - var right = entityName.kind === 136 ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); - } - } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 224 ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - ts.Debug.assert(node.expression.kind === 69 || node.expression.kind === 169); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); - } - } - } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); - } - } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); - } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - emitLines(type.members); - decreaseIndent(); - } - write("}"); - } - } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); - emitLines(node.statements); - } - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!ts.hasProperty(currentIdentifiers, baseName)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_21 = baseName + "_" + count; - if (!ts.hasProperty(currentIdentifiers, name_21)) { - return name_21; - } - } - } - function emitExportAssignment(node) { - if (node.expression.kind === 69) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); - } - else { - var tempVarName = getExportDefaultTempVariableName(); - write("declare var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - if (node.expression.kind === 69) { - var nodes = resolver.collectLinkedAliases(node.expression); - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic(diagnostic) { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; - } - } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); - } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); - } - else if (node.kind === 224 || - (node.parent.kind === 251 && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251) { - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 225) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - } - } - function writeModuleElement(node) { - switch (node.kind) { - case 216: - return writeFunctionDeclaration(node); - case 196: - return writeVariableStatement(node); - case 218: - return writeInterfaceDeclaration(node); - case 217: - return writeClassDeclaration(node); - case 219: - return writeTypeAliasDeclaration(node); - case 220: - return writeEnumDeclaration(node); - case 221: - return writeModuleDeclaration(node); - case 224: - return writeImportEqualsDeclaration(node); - case 225: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } - } - function emitModuleElementDeclarationFlags(node) { - if (node.parent.kind === 251) { - if (node.flags & 2) { - write("export "); - } - if (node.flags & 512) { - write("default "); - } - else if (node.kind !== 218 && !noDeclare) { - write("declare "); - } - } - } - function emitClassMemberDeclarationFlags(node) { - if (node.flags & 16) { - write("private "); - } - else if (node.flags & 32) { - write("protected "); - } - if (node.flags & 64) { - write("static "); - } - if (node.flags & 128) { - write("abstract "); - } - } - function writeImportEqualsDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2) { - write("export "); - } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); - } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); - } - writer.writeLine(); - function getImportEntityNameVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; - } - } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 227) { - return resolver.isDeclarationVisible(namedBindings); - } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); - } - } - } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2) { - write("export "); - } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - write(", "); - } - if (node.importClause.namedBindings.kind === 227) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); - } - else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); - } - } - write(" from "); - } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); - } - function emitExternalModuleSpecifier(parent) { - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221; - var moduleSpecifier; - if (parent.kind === 224) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 221) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write("\""); - write(moduleName); - write("\""); - return; - } - } - writeTextOfNode(currentText, moduleSpecifier); - } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); - } - writeTextOfNode(currentText, node.name); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); - } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); - } - else { - if (node.flags & 65536) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); - } - else { - writeTextOfNode(currentText, node.name); - } - } - while (node.body.kind !== 222) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); - } - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; - } - } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); - } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); - } - write(","); - writeLine(); - } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 144 && (node.parent.flags & 16); - } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 153 || - node.parent.kind === 154 || - (node.parent.parent && node.parent.parent.kind === 156)) { - ts.Debug.assert(node.parent.kind === 144 || - node.parent.kind === 143 || - node.parent.kind === 153 || - node.parent.kind === 154 || - node.parent.kind === 148 || - node.parent.kind === 149); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.parent.kind) { - case 217: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 218: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 149: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 144: - case 143: - if (node.parent.flags & 64) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 216: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; - } - } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); - } - } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); - } - function emitTypeOfTypeReference(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 93) { - write("null"); - } - function getHeritageClauseVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (node.parent.parent.kind === 217) { - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (param.flags & 56) { - emitPropertyDeclaration(param); - } - }); - } - } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (node.flags & 128) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], false); - } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(node); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - if (node.kind !== 214 || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - if ((node.kind === 142 || node.kind === 141) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 142 || node.kind === 141) && node.parent.kind === 156) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.flags & 16)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } - } - } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - if (node.kind === 214) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 142 || node.kind === 141) { - if (node.flags & 64) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 217) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } - } - } - function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); - } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); - } - } - } - } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - if (node.type) { - write(": "); - emitType(node.type); - } - } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); - } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); - } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); - } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(node); - writeTextOfNode(currentText, node.name); - if (!(node.flags & 16)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - var anotherAccessor = node.kind === 146 ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); - } - write(";"); - writeLine(); - } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 146 - ? accessor.type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type - : undefined; - } - } - function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 147) { - if (accessorWithTypeAnnotation.parent.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (accessorWithTypeAnnotation.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; - } - } - } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 216) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 144) { - emitClassMemberDeclarationFlags(node); - } - if (node.kind === 216) { - write("function "); - writeTextOfNode(currentText, node.name); - } - else if (node.kind === 145) { - write("constructor"); - } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); - } - } - emitSignatureDeclaration(node); - } - } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - if (node.kind === 149 || node.kind === 154) { - write("new "); - } - emitTypeParameters(node.typeParameters); - if (node.kind === 150) { - write("["); - } - else { - write("("); - } - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 150) { - write("]"); - } - else { - write(")"); - } - var isFunctionTypeOrConstructorType = node.kind === 153 || node.kind === 154; - if (isFunctionTypeOrConstructorType || node.parent.kind === 156) { - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } - } - else if (node.kind !== 145 && !(node.flags & 16)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); - } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); - } - function getReturnTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 149: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 150: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 144: - case 143: - if (node.flags & 64) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 217) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 216: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; - } - } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - } - if (resolver.isOptionalParameter(node)) { - write("?"); - } - decreaseIndent(); - if (node.parent.kind === 153 || - node.parent.kind === 154 || - node.parent.parent.kind === 156) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.parent.flags & 16)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); - } - function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - switch (node.parent.kind) { - case 145: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 149: - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148: - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 144: - case 143: - if (node.parent.flags & 64) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 216: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); - } - } - function emitBindingPattern(bindingPattern) { - if (bindingPattern.kind === 164) { - write("{"); - emitCommaList(bindingPattern.elements, emitBindingElement); - write("}"); - } - else if (bindingPattern.kind === 165) { - write("["); - var elements = bindingPattern.elements; - emitCommaList(elements, emitBindingElement); - if (elements && elements.hasTrailingComma) { - write(", "); - } - write("]"); - } - } - function emitBindingElement(bindingElement) { - if (bindingElement.kind === 190) { - write(" "); - } - else if (bindingElement.kind === 166) { - if (bindingElement.propertyName) { - writeTextOfNode(currentText, bindingElement.propertyName); - write(": "); - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - ts.Debug.assert(bindingElement.name.kind === 69); - if (bindingElement.dotDotDotToken) { - write("..."); - } - writeTextOfNode(currentText, bindingElement.name); - } - } - } - } - } - function emitNode(node) { - switch (node.kind) { - case 216: - 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var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; - if (!emitSkipped) { - var declarationOutput = emitDeclarationResult.referencePathsOutput - + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); - ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); - } - return emitSkipped; - function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { - var appliedSyncOutputPos = 0; - var declarationOutput = ""; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.asynchronousOutput) { - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); - declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); - appliedSyncOutputPos = aliasEmitInfo.outputPos; - } - }); - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); - return declarationOutput; - } - } - ts.writeDeclarationFile = writeDeclarationFile; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getResolvedExternalModuleName(host, file) { - return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); - } - ts.getResolvedExternalModuleName = getResolvedExternalModuleName; - function getExternalModuleNameFromDeclaration(host, resolver, declaration) { - var file = resolver.getExternalModuleFileFromDeclaration(declaration); - if (!file || ts.isDeclarationFile(file)) { - return undefined; - } - return getResolvedExternalModuleName(host, file); - } - ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; - var entities = { - "quot": 0x0022, - "amp": 0x0026, - "apos": 0x0027, - "lt": 0x003C, - "gt": 0x003E, - "nbsp": 0x00A0, - "iexcl": 0x00A1, - "cent": 0x00A2, - 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"lsquo": 0x2018, - "rsquo": 0x2019, - "sbquo": 0x201A, - "ldquo": 0x201C, - "rdquo": 0x201D, - "bdquo": 0x201E, - "dagger": 0x2020, - "Dagger": 0x2021, - "bull": 0x2022, - "hellip": 0x2026, - "permil": 0x2030, - "prime": 0x2032, - "Prime": 0x2033, - "lsaquo": 0x2039, - "rsaquo": 0x203A, - "oline": 0x203E, - "frasl": 0x2044, - "euro": 0x20AC, - "image": 0x2111, - "weierp": 0x2118, - "real": 0x211C, - "trade": 0x2122, - "alefsym": 0x2135, - "larr": 0x2190, - "uarr": 0x2191, - "rarr": 0x2192, - "darr": 0x2193, - "harr": 0x2194, - "crarr": 0x21B5, - "lArr": 0x21D0, - "uArr": 0x21D1, - "rArr": 0x21D2, - "dArr": 0x21D3, - "hArr": 0x21D4, - "forall": 0x2200, - "part": 0x2202, - "exist": 0x2203, - "empty": 0x2205, - "nabla": 0x2207, - "isin": 0x2208, - "notin": 0x2209, - "ni": 0x220B, - "prod": 0x220F, - "sum": 0x2211, - "minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }; - function emitFiles(resolver, host, targetSourceFile) { - var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; - var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; - var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; - var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; - var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var modulekind = ts.getEmitModuleKind(compilerOptions); - var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; - var emitterDiagnostics = ts.createDiagnosticCollection(); - var emitSkipped = false; - var newLine = host.getNewLine(); - var emitJavaScript = createFileEmitter(); - ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); - return { - emitSkipped: emitSkipped, - diagnostics: emitterDiagnostics.getDiagnostics(), - sourceMaps: sourceMapDataList - }; - function isUniqueLocalName(name, container) { - for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { - if (node.locals && ts.hasProperty(node.locals, name)) { - if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { - return false; - } - } - } - return true; - } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = {}; - } - state.labeledNonLocalBreaks[labelText] = labelMarker; - } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = {}; - } - state.labeledNonLocalContinues[labelText] = labelMarker; - } - } - function hoistVariableDeclarationFromLoop(state, declaration) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(declaration.name); - function visit(node) { - if (node.kind === 69) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { - var element = _b[_a]; - visit(element.name); - } - } - } - } - function createFileEmitter() { - var writer = ts.createTextWriter(newLine); - var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; - var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); - var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; - var currentSourceFile; - var currentText; - var currentLineMap; - var currentFileIdentifiers; - var renamedDependencies; - var isEs6Module; - var isCurrentFileExternalModule; - var exportFunctionForFile; - var contextObjectForFile; - var generatedNameSet; - var nodeToGeneratedName; - var computedPropertyNamesToGeneratedNames; - var decoratedClassAliases; - var convertedLoopState; - var extendsEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var tempFlags = 0; - var tempVariables; - var tempParameters; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var detachedCommentsInfo; - var sourceMapData; - var isOwnFileEmit; - var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; - var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; - var moduleEmitDelegates = (_a = {}, - _a[5] = emitES6Module, - _a[2] = emitAMDModule, - _a[4] = emitSystemModule, - _a[3] = emitUMDModule, - _a[1] = emitCommonJSModule, - _a - ); - var bundleEmitDelegates = (_b = {}, - _b[5] = function () { }, - _b[2] = emitAMDModule, - _b[4] = emitSystemModule, - _b[3] = function () { }, - _b[1] = function () { }, - _b - ); - return doEmit; - function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - generatedNameSet = {}; - nodeToGeneratedName = []; - decoratedClassAliases = []; - isOwnFileEmit = !isBundledEmit; - if (isBundledEmit && modulekind) { - ts.forEach(sourceFiles, emitEmitHelpers); - } - ts.forEach(sourceFiles, emitSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# sourceMappingURL=" + sourceMappingURL); - } - writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, compilerOptions.emitBOM); - sourceMap.reset(); - writer.reset(); - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - generatedNameSet = undefined; - nodeToGeneratedName = undefined; - decoratedClassAliases = undefined; - computedPropertyNamesToGeneratedNames = undefined; - convertedLoopState = undefined; - extendsEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = undefined; - detachedCommentsInfo = undefined; - sourceMapData = undefined; - isEs6Module = false; - renamedDependencies = undefined; - isCurrentFileExternalModule = false; - } - function emitSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = sourceFile.text; - currentLineMap = ts.getLineStarts(sourceFile); - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; - renamedDependencies = sourceFile.renamedDependencies; - currentFileIdentifiers = sourceFile.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(sourceFile); - setSourceFile(sourceFile); - emitNodeWithCommentsAndWithoutSourcemap(sourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_22 = flags === 268435456 ? "_i" : "_n"; - if (isUniqueName(name_22)) { - tempFlags |= flags; - return name_22; - } - } - while (true) { - var count = tempFlags & 268435455; - tempFlags++; - if (count !== 8 && count !== 13) { - var name_23 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26); - if (isUniqueName(name_23)) { - return name_23; - } - } - } - } - function makeUniqueName(baseName) { - if (baseName.charCodeAt(baseName.length - 1) !== 95) { - baseName += "_"; - } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; - } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = node.name.text; - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 69: - return makeUniqueName(node.text); - case 221: - case 220: - return generateNameForModuleOrEnum(node); - case 225: - case 231: - return generateNameForImportOrExportDeclaration(node); - case 216: - case 217: - case 230: - return generateNameForExportDefault(); - case 189: - return generateNameForClassExpression(); - } - } - function getGeneratedNameForNode(node) { - var id = ts.getNodeId(node); - return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); - } - function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); - } - function createTempVariable(flags) { - var result = ts.createSynthesizedNode(69); - result.text = makeTempVariableName(flags); - return result; - } - function recordTempDeclaration(name) { - if (!tempVariables) { - tempVariables = []; - } - tempVariables.push(name); - } - function createAndRecordTempVariable(flags) { - var temp = createTempVariable(flags); - recordTempDeclaration(temp); - return temp; - } - function emitTempDeclarations(newLine) { - if (tempVariables) { - if (newLine) { - writeLine(); - } - else { - write(" "); - } - write("var "); - emitCommaList(tempVariables); - write(";"); - } - } - function emitToken(tokenKind, startPos, emitFn) { - var tokenStartPos = ts.skipTrivia(currentText, startPos); - emitPos(tokenStartPos); - var tokenString = ts.tokenToString(tokenKind); - if (emitFn) { - emitFn(); - } - else { - write(tokenString); - } - var tokenEndPos = tokenStartPos + tokenString.length; - emitPos(tokenEndPos); - return tokenEndPos; - } - function emitOptional(prefix, node) { - if (node) { - write(prefix); - emit(node); - } - } - function emitParenthesizedIf(node, parenthesized) { - if (parenthesized) { - write("("); - } - emit(node); - if (parenthesized) { - write(")"); - } - } - function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { - ts.Debug.assert(nodes.length > 0); - increaseIndent(); - if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - for (var i = 0, n = nodes.length; i < n; i++) { - if (i) { - if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { - write(", "); - } - else { - write(","); - writeLine(); - } - } - emit(nodes[i]); - } - if (nodes.hasTrailingComma && allowTrailingComma) { - write(","); - } - decreaseIndent(); - if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - } - function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { - if (!emitNode) { - emitNode = emit; - } - for (var i = 0; i < count; i++) { - if (multiLine) { - if (i || leadingComma) { - write(","); - } - writeLine(); - } - else { - if (i || leadingComma) { - write(", "); - } - } - var node = nodes[start + i]; - emitTrailingCommentsOfPosition(node.pos); - emitNode(node); - leadingComma = true; - } - if (trailingComma) { - write(","); - } - if (multiLine && !noTrailingNewLine) { - writeLine(); - } - return count; - } - function emitCommaList(nodes) { - if (nodes) { - emitList(nodes, 0, nodes.length, false, false); - } - } - function emitLines(nodes) { - emitLinesStartingAt(nodes, 0); - } - function emitLinesStartingAt(nodes, startIndex) { - for (var i = startIndex; i < nodes.length; i++) { - writeLine(); - emit(nodes[i]); - } - } - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98: - case 66: - case 111: - case 79: - return true; - } - } - return false; - } - function emitLiteral(node) { - var text = getLiteralText(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); - } - else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { - write(node.text); - } - else { - write(text); - } - } - function getLiteralText(node) { - if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText("\"", node.text, "\""); - } - if (node.parent) { - return ts.getTextOfNodeFromSourceText(currentText, node); - } - switch (node.kind) { - case 9: - return getQuotedEscapedLiteralText("\"", node.text, "\""); - case 11: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 12: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 13: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 14: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8: - return node.text; - } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; - } - function emitDownlevelRawTemplateLiteral(node) { - var text = ts.getTextOfNodeFromSourceText(currentText, node); - var isLast = node.kind === 11 || node.kind === 14; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - text = text.replace(/\r\n?/g, "\n"); - text = ts.escapeString(text); - write("\"" + text + "\""); - } - function emitDownlevelTaggedTemplateArray(node, literalEmitter) { - write("["); - if (node.template.kind === 11) { - literalEmitter(node.template); - } - else { - literalEmitter(node.template.head); - ts.forEach(node.template.templateSpans, function (child) { - write(", "); - literalEmitter(child.literal); - }); - } - write("]"); - } - function emitDownlevelTaggedTemplate(node) { - var tempVariable = createAndRecordTempVariable(0); - write("("); - emit(tempVariable); - write(" = "); - emitDownlevelTaggedTemplateArray(node, emit); - write(", "); - emit(tempVariable); - write(".raw = "); - emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); - write(", "); - emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); - write("("); - emit(tempVariable); - if (node.template.kind === 186) { - ts.forEach(node.template.templateSpans, function (templateSpan) { - write(", "); - var needsParens = templateSpan.expression.kind === 184 - && templateSpan.expression.operatorToken.kind === 24; - emitParenthesizedIf(templateSpan.expression, needsParens); - }); - } - write("))"); - } - function emitTemplateExpression(node) { - if (languageVersion >= 2) { - ts.forEachChild(node, emit); - return; - } - var emitOuterParens = ts.isExpression(node.parent) - && templateNeedsParens(node, node.parent); - if (emitOuterParens) { - write("("); - } - var headEmitted = false; - if (shouldEmitTemplateHead()) { - emitLiteral(node.head); - headEmitted = true; - } - for (var i = 0, n = node.templateSpans.length; i < n; i++) { - var templateSpan = node.templateSpans[i]; - var needsParens = templateSpan.expression.kind !== 175 - && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1; - if (i > 0 || headEmitted) { - write(" + "); - } - emitParenthesizedIf(templateSpan.expression, needsParens); - if (templateSpan.literal.text.length !== 0) { - write(" + "); - emitLiteral(templateSpan.literal); - } - } - if (emitOuterParens) { - write(")"); - } - function shouldEmitTemplateHead() { - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - function templateNeedsParens(template, parent) { - switch (parent.kind) { - case 171: - case 172: - return parent.expression === template; - case 173: - case 175: - return false; - default: - return comparePrecedenceToBinaryPlus(parent) !== -1; - } - } - function comparePrecedenceToBinaryPlus(expression) { - switch (expression.kind) { - case 184: - switch (expression.operatorToken.kind) { - case 37: - case 39: - case 40: - return 1; - case 35: - case 36: - return 0; - default: - return -1; - } - case 187: - case 185: - return -1; - default: - return 1; - } - } - } - function emitTemplateSpan(span) { - emit(span.expression); - emit(span.literal); - } - function jsxEmitReact(node) { - function emitTagName(name) { - if (name.kind === 69 && ts.isIntrinsicJsxName(name.text)) { - write("\""); - emit(name); - write("\""); - } - else { - emit(name); - } - } - function emitAttributeName(name) { - if (/^[A-Za-z_]\w*$/.test(name.text)) { - emit(name); - } - else { - write("\""); - emit(name); - write("\""); - } - } - function emitJsxAttribute(node) { - emitAttributeName(node.name); - write(": "); - if (node.initializer) { - emit(node.initializer); - } - else { - write("true"); - } - } - function emitJsxElement(openingNode, children) { - var syntheticReactRef = ts.createSynthesizedNode(69); - syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - syntheticReactRef.parent = openingNode; - emitLeadingComments(openingNode); - emitExpressionIdentifier(syntheticReactRef); - write(".createElement("); - emitTagName(openingNode.tagName); - write(", "); - if (openingNode.attributes.length === 0) { - write("null"); - } - else { - var attrs = openingNode.attributes; - if (ts.forEach(attrs, function (attr) { return attr.kind === 242; })) { - emitExpressionIdentifier(syntheticReactRef); - write(".__spread("); - var haveOpenedObjectLiteral = false; - for (var i = 0; i < attrs.length; i++) { - if (attrs[i].kind === 242) { - if (i === 0) { - write("{}, "); - } - if (haveOpenedObjectLiteral) { - write("}"); - haveOpenedObjectLiteral = false; - } - if (i > 0) { - write(", "); - } - emit(attrs[i].expression); - } - else { - ts.Debug.assert(attrs[i].kind === 241); - if (haveOpenedObjectLiteral) { - write(", "); - } - else { - haveOpenedObjectLiteral = true; - if (i > 0) { - write(", "); - } - write("{"); - } - emitJsxAttribute(attrs[i]); - } - } - if (haveOpenedObjectLiteral) - write("}"); - write(")"); - } - else { - write("{"); - for (var i = 0, n = attrs.length; i < n; i++) { - if (i > 0) { - write(", "); - } - emitJsxAttribute(attrs[i]); - } - write("}"); - } - } - if (children) { - for (var i = 0; i < children.length; i++) { - if (children[i].kind === 243 && !(children[i].expression)) { - continue; - } - if (children[i].kind === 239) { - var text = getTextToEmit(children[i]); - if (text !== undefined) { - write(", \""); - write(text); - write("\""); - } - } - else { - write(", "); - emit(children[i]); - } - } - } - write(")"); - emitTrailingComments(openingNode); - } - if (node.kind === 236) { - emitJsxElement(node.openingElement, node.children); - } - else { - ts.Debug.assert(node.kind === 237); - emitJsxElement(node); - } - } - function jsxEmitPreserve(node) { - function emitJsxAttribute(node) { - emit(node.name); - if (node.initializer) { - write("="); - emit(node.initializer); - } - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emit(node.expression); - write("}"); - } - function emitAttributes(attribs) { - for (var i = 0, n = attribs.length; i < n; i++) { - if (i > 0) { - write(" "); - } - if (attribs[i].kind === 242) { - emitJsxSpreadAttribute(attribs[i]); - } - else { - ts.Debug.assert(attribs[i].kind === 241); - emitJsxAttribute(attribs[i]); - } - } - } - function emitJsxOpeningOrSelfClosingElement(node) { - write("<"); - emit(node.tagName); - if (node.attributes.length > 0 || (node.kind === 237)) { - write(" "); - } - emitAttributes(node.attributes); - if (node.kind === 237) { - write("/>"); - } - else { - write(">"); - } - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxElement(node) { - emitJsxOpeningOrSelfClosingElement(node.openingElement); - for (var i = 0, n = node.children.length; i < n; i++) { - emit(node.children[i]); - } - emitJsxClosingElement(node.closingElement); - } - if (node.kind === 236) { - emitJsxElement(node); - } - else { - ts.Debug.assert(node.kind === 237); - emitJsxOpeningOrSelfClosingElement(node); - } - } - function emitExpressionForPropertyName(node) { - ts.Debug.assert(node.kind !== 166); - if (node.kind === 9) { - emitLiteral(node); - } - else if (node.kind === 137) { - if (ts.nodeIsDecorated(node.parent)) { - if (!computedPropertyNamesToGeneratedNames) { - computedPropertyNamesToGeneratedNames = []; - } - var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; - if (generatedName) { - write(generatedName); - return; - } - generatedName = createAndRecordTempVariable(0).text; - computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; - write(generatedName); - write(" = "); - } - emit(node.expression); - } - else { - write("\""); - if (node.kind === 8) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - write("\""); - } - } - function isExpressionIdentifier(node) { - var parent = node.parent; - switch (parent.kind) { - case 167: - case 192: - case 184: - case 171: - case 244: - case 137: - case 185: - case 140: - case 178: - case 200: - case 170: - case 230: - case 198: - case 191: - case 202: - case 203: - case 204: - case 199: - case 240: - case 237: - case 238: - case 242: - case 243: - case 172: - case 175: - case 183: - case 182: - case 207: - case 249: - case 188: - case 209: - case 173: - case 193: - case 211: - case 174: - case 179: - case 180: - case 201: - case 208: - case 187: - return true; - case 166: - case 250: - case 139: - case 248: - case 142: - case 214: - return parent.initializer === node; - case 169: - return parent.expression === node; - case 177: - case 176: - return parent.body === node; - case 224: - return parent.moduleReference === node; - case 136: - return parent.left === node; - } - return false; - } - function emitExpressionIdentifier(node) { - var container = resolver.getReferencedExportContainer(node); - if (container) { - if (container.kind === 251) { - if (modulekind !== 5 && modulekind !== 4) { - write("exports."); - } - } - else { - write(getGeneratedNameForNode(container)); - write("."); - } - } - else { - if (modulekind !== 5) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (declaration.kind === 226) { - write(getGeneratedNameForNode(declaration.parent)); - write(languageVersion === 0 ? "[\"default\"]" : ".default"); - return; - } - else if (declaration.kind === 229) { - write(getGeneratedNameForNode(declaration.parent.parent.parent)); - var name_24 = declaration.propertyName || declaration.name; - var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); - if (languageVersion === 0 && identifier === "default") { - write("[\"default\"]"); - } - else { - write("."); - write(identifier); - } - return; - } - } - } - if (languageVersion < 2) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - write(getGeneratedNameForNode(declaration.name)); - return; - } - } - else if (resolver.getNodeCheckFlags(node) & 1048576) { - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; - if (classAlias !== undefined) { - write(classAlias); - return; - } - } - } - } - if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { - if (languageVersion < 2) { - var parent_8 = node.parent; - switch (parent_8.kind) { - case 166: - case 217: - case 220: - case 214: - return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); - } - } - return false; - } - function emitIdentifier(node) { - if (convertedLoopState) { - if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { - var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); - write(name_25); - return; - } - } - if (!node.parent) { - write(node.text); - } - else if (isExpressionIdentifier(node)) { - emitExpressionIdentifier(node); - } - else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { - write(getGeneratedNameForNode(node)); - } - else if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function emitThis(node) { - if (resolver.getNodeCheckFlags(node) & 2) { - write("_this"); - } - else if (convertedLoopState) { - write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); - } - else { - write("this"); - } - } - function emitSuper(node) { - if (languageVersion >= 2) { - write("super"); - } - else { - var flags = resolver.getNodeCheckFlags(node); - if (flags & 256) { - write("_super.prototype"); - } - else { - write("_super"); - } - } - } - function emitObjectBindingPattern(node) { - write("{ "); - var elements = node.elements; - emitList(elements, 0, elements.length, false, elements.hasTrailingComma); - write(" }"); - } - function emitArrayBindingPattern(node) { - write("["); - var elements = node.elements; - emitList(elements, 0, elements.length, false, elements.hasTrailingComma); - write("]"); - } - function emitBindingElement(node) { - if (node.propertyName) { - emit(node.propertyName); - write(": "); - } - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emit(node.name); - } - else { - emitModuleMemberName(node); - } - emitOptional(" = ", node.initializer); - } - function emitSpreadElementExpression(node) { - write("..."); - emit(node.expression); - } - function emitYieldExpression(node) { - write(ts.tokenToString(114)); - if (node.asteriskToken) { - write("*"); - } - if (node.expression) { - write(" "); - emit(node.expression); - } - } - function emitAwaitExpression(node) { - var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); - if (needsParenthesis) { - write("("); - } - write(ts.tokenToString(114)); - write(" "); - emit(node.expression); - if (needsParenthesis) { - write(")"); - } - } - function needsParenthesisForAwaitExpressionAsYield(node) { - if (node.parent.kind === 184 && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { - return true; - } - else if (node.parent.kind === 185 && node.parent.condition === node) { - return true; - } - return false; - } - function needsParenthesisForPropertyAccessOrInvocation(node) { - switch (node.kind) { - case 69: - case 167: - case 169: - case 170: - case 171: - case 175: - return false; - } - return true; - } - function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { - var pos = 0; - var group = 0; - var length = elements.length; - while (pos < length) { - if (group === 1 && useConcat) { - write(".concat("); - } - else if (group > 0) { - write(", "); - } - var e = elements[pos]; - if (e.kind === 188) { - e = e.expression; - emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); - pos++; - if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167) { - write(".slice()"); - } - } - else { - var i = pos; - while (i < length && elements[i].kind !== 188) { - i++; - } - write("["); - if (multiLine) { - increaseIndent(); - } - emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); - if (multiLine) { - decreaseIndent(); - } - write("]"); - pos = i; - } - group++; - } - if (group > 1) { - if (useConcat) { - write(")"); - } - } - } - function isSpreadElementExpression(node) { - return node.kind === 188; - } - function emitArrayLiteral(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); - } - else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) { - write("["); - emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false); - write("]"); - } - else { - emitListWithSpread(elements, true, (node.flags & 1024) !== 0, elements.hasTrailingComma, true); - } - } - function emitObjectLiteralBody(node, numElements) { - if (numElements === 0) { - write("{}"); - return; - } - write("{"); - if (numElements > 0) { - var properties = node.properties; - if (numElements === properties.length) { - emitLinePreservingList(node, properties, languageVersion >= 1, true); - } - else { - var multiLine = (node.flags & 1024) !== 0; - if (!multiLine) { - write(" "); - } - else { - increaseIndent(); - } - emitList(properties, 0, numElements, multiLine, false); - if (!multiLine) { - write(" "); - } - else { - decreaseIndent(); - } - } - } - write("}"); - } - function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { - var multiLine = (node.flags & 1024) !== 0; - var properties = node.properties; - write("("); - if (multiLine) { - increaseIndent(); - } - var tempVar = createAndRecordTempVariable(0); - emit(tempVar); - write(" = "); - emitObjectLiteralBody(node, firstComputedPropertyIndex); - for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { - writeComma(); - var property = properties[i]; - emitStart(property); - if (property.kind === 146 || property.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property !== accessors.firstAccessor) { - continue; - } - write("Object.defineProperty("); - emit(tempVar); - write(", "); - emitStart(node.name); - emitExpressionForPropertyName(property.name); - emitEnd(property.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("})"); - emitEnd(property); - } - else { - emitLeadingComments(property); - emitStart(property.name); - emit(tempVar); - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - if (property.kind === 248) { - emit(property.initializer); - } - else if (property.kind === 249) { - emitExpressionIdentifier(property.name); - } - else if (property.kind === 144) { - emitFunctionDeclaration(property); - } - else { - ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); - } - } - emitEnd(property); - } - writeComma(); - emit(tempVar); - if (multiLine) { - decreaseIndent(); - writeLine(); - } - write(")"); - function writeComma() { - if (multiLine) { - write(","); - writeLine(); - } - else { - write(", "); - } - } - } - function emitObjectLiteral(node) { - var properties = node.properties; - if (languageVersion < 2) { - var numProperties = properties.length; - var numInitialNonComputedProperties = numProperties; - for (var i = 0, n = properties.length; i < n; i++) { - if (properties[i].name.kind === 137) { - numInitialNonComputedProperties = i; - break; - } - } - var hasComputedProperty = numInitialNonComputedProperties !== properties.length; - if (hasComputedProperty) { - emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); - return; - } - } - emitObjectLiteralBody(node, properties.length); - } - function createBinaryExpression(left, operator, right, startsOnNewLine) { - var result = ts.createSynthesizedNode(184, startsOnNewLine); - result.operatorToken = ts.createSynthesizedNode(operator); - result.left = left; - result.right = right; - return result; - } - function createPropertyAccessExpression(expression, name) { - var result = ts.createSynthesizedNode(169); - result.expression = parenthesizeForAccess(expression); - result.dotToken = ts.createSynthesizedNode(21); - result.name = name; - return result; - } - function createElementAccessExpression(expression, argumentExpression) { - var result = ts.createSynthesizedNode(170); - result.expression = parenthesizeForAccess(expression); - result.argumentExpression = argumentExpression; - return result; - } - function parenthesizeForAccess(expr) { - while (expr.kind === 174 || expr.kind === 192) { - expr = expr.expression; - } - if (ts.isLeftHandSideExpression(expr) && - expr.kind !== 172 && - expr.kind !== 8) { - return expr; - } - var node = ts.createSynthesizedNode(175); - node.expression = expr; - return node; - } - function emitComputedPropertyName(node) { - write("["); - emitExpressionForPropertyName(node); - write("]"); - } - function emitMethod(node) { - if (languageVersion >= 2 && node.asteriskToken) { - write("*"); - } - emit(node.name); - if (languageVersion < 2) { - write(": function "); - } - emitSignatureAndBody(node); - } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - emitTrailingCommentsOfPosition(node.initializer.pos); - emit(node.initializer); - } - function isNamespaceExportReference(node) { - var container = resolver.getReferencedExportContainer(node); - return container && container.kind !== 251; - } - function emitShorthandPropertyAssignment(node) { - writeTextOfNode(currentText, node.name); - if (modulekind !== 5 || isNamespaceExportReference(node.name)) { - write(": "); - emit(node.name); - } - if (languageVersion >= 2 && node.objectAssignmentInitializer) { - write(" = "); - emit(node.objectAssignmentInitializer); - } - } - function tryEmitConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - write(constantValue.toString()); - if (!compilerOptions.removeComments) { - var propertyName = node.kind === 169 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); - write(" /* " + propertyName + " */"); - } - return true; - } - return false; - } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return node.kind === 169 || node.kind === 170 - ? resolver.getConstantValue(node) - : undefined; - } - function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { - var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); - var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); - if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { - increaseIndent(); - writeLine(); - return true; - } - else { - if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); - } - return false; - } - } - function emitPropertyAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 && - node.expression.kind === 95 && - isInAsyncMethodWithSuperInES6(node)) { - var name_26 = ts.createSynthesizedNode(9); - name_26.text = node.name.text; - emitSuperAccessInAsyncMethod(node.expression, name_26); - return; - } - emit(node.expression); - var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); - var shouldEmitSpace = false; - if (!indentedBeforeDot) { - if (node.expression.kind === 8) { - var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); - shouldEmitSpace = text.indexOf(ts.tokenToString(21)) < 0; - } - else { - var constantValue = tryGetConstEnumValue(node.expression); - shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; - } - } - if (shouldEmitSpace) { - write(" ."); - } - else { - write("."); - } - var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); - emit(node.name); - decreaseIndentIf(indentedBeforeDot, indentedAfterDot); - } - function emitQualifiedName(node) { - emit(node.left); - write("."); - emit(node.right); - } - function emitQualifiedNameAsExpression(node, useFallback) { - if (node.left.kind === 69) { - emitEntityNameAsExpression(node.left, useFallback); - } - else if (useFallback) { - var temp = createAndRecordTempVariable(0); - write("("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(node.left, true); - write(") && "); - emitNodeWithoutSourceMap(temp); - } - else { - emitEntityNameAsExpression(node.left, false); - } - write("."); - emit(node.right); - } - function emitEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 69: - if (useFallback) { - write("typeof "); - emitExpressionIdentifier(node); - write(" !== 'undefined' && "); - } - emitExpressionIdentifier(node); - break; - case 136: - emitQualifiedNameAsExpression(node, useFallback); - break; - default: - emitNodeWithoutSourceMap(node); - break; - } - } - function emitIndexedAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 && - node.expression.kind === 95 && - isInAsyncMethodWithSuperInES6(node)) { - emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); - return; - } - emit(node.expression); - write("["); - emit(node.argumentExpression); - write("]"); - } - function hasSpreadElement(elements) { - return ts.forEach(elements, function (e) { return e.kind === 188; }); - } - function skipParentheses(node) { - while (node.kind === 175 || node.kind === 174 || node.kind === 192) { - node = node.expression; - } - return node; - } - function emitCallTarget(node) { - if (node.kind === 69 || node.kind === 97 || node.kind === 95) { - emit(node); - return node; - } - var temp = createAndRecordTempVariable(0); - write("("); - emit(temp); - write(" = "); - emit(node); - write(")"); - return temp; - } - function emitCallWithSpread(node) { - var target; - var expr = skipParentheses(node.expression); - if (expr.kind === 169) { - target = emitCallTarget(expr.expression); - write("."); - emit(expr.name); - } - else if (expr.kind === 170) { - target = emitCallTarget(expr.expression); - write("["); - emit(expr.argumentExpression); - write("]"); - } - else if (expr.kind === 95) { - target = expr; - write("_super"); - } - else { - emit(node.expression); - } - write(".apply("); - if (target) { - if (target.kind === 95) { - emitThis(target); - } - else { - emit(target); - } - } - else { - write("void 0"); - } - write(", "); - emitListWithSpread(node.arguments, false, false, false, true); - write(")"); - } - function isInAsyncMethodWithSuperInES6(node) { - if (languageVersion === 2) { - var container = ts.getSuperContainer(node, false); - if (container && resolver.getNodeCheckFlags(container) & (2048 | 4096)) { - return true; - } - } - return false; - } - function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { - var container = ts.getSuperContainer(superNode, false); - var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096; - write("_super("); - emit(argumentExpression); - write(isSuperBinding ? ").value" : ")"); - } - function emitCallExpression(node) { - if (languageVersion < 2 && hasSpreadElement(node.arguments)) { - emitCallWithSpread(node); - return; - } - var expression = node.expression; - var superCall = false; - var isAsyncMethodWithSuper = false; - if (expression.kind === 95) { - emitSuper(expression); - superCall = true; - } - else { - superCall = ts.isSuperPropertyOrElementAccess(expression); - isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); - emit(expression); - } - if (superCall && (languageVersion < 2 || isAsyncMethodWithSuper)) { - write(".call("); - emitThis(expression); - if (node.arguments.length) { - write(", "); - emitCommaList(node.arguments); - } - write(")"); - } - else { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - function emitNewExpression(node) { - write("new "); - if (languageVersion === 1 && - node.arguments && - hasSpreadElement(node.arguments)) { - write("("); - var target = emitCallTarget(node.expression); - write(".bind.apply("); - emit(target); - write(", [void 0].concat("); - emitListWithSpread(node.arguments, false, false, false, false); - write(")))"); - write("()"); - } - else { - emit(node.expression); - if (node.arguments) { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - } - function emitTaggedTemplateExpression(node) { - if (languageVersion >= 2) { - emit(node.tag); - write(" "); - emit(node.template); - } - else { - emitDownlevelTaggedTemplate(node); - } - } - function emitParenExpression(node) { - if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177) { - if (node.expression.kind === 174 || node.expression.kind === 192) { - var operand = node.expression.expression; - while (operand.kind === 174 || operand.kind === 192) { - operand = operand.expression; - } - if (operand.kind !== 182 && - operand.kind !== 180 && - operand.kind !== 179 && - operand.kind !== 178 && - operand.kind !== 183 && - operand.kind !== 172 && - !(operand.kind === 171 && node.parent.kind === 172) && - !(operand.kind === 176 && node.parent.kind === 171) && - !(operand.kind === 8 && node.parent.kind === 169)) { - emit(operand); - return; - } - } - } - write("("); - emit(node.expression); - write(")"); - } - function emitDeleteExpression(node) { - write(ts.tokenToString(78)); - write(" "); - emit(node.expression); - } - function emitVoidExpression(node) { - write(ts.tokenToString(103)); - write(" "); - emit(node.expression); - } - function emitTypeOfExpression(node) { - write(ts.tokenToString(101)); - write(" "); - emit(node.expression); - } - function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { - if (!isCurrentFileSystemExternalModule() || node.kind !== 69 || ts.nodeIsSynthesized(node)) { - return false; - } - var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 || node.parent.kind === 166); - var targetDeclaration = isVariableDeclarationOrBindingElement - ? node.parent - : resolver.getReferencedValueDeclaration(node); - return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, true); - } - function emitPrefixUnaryExpression(node) { - var exportChanged = (node.operator === 41 || node.operator === 42) && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - } - write(ts.tokenToString(node.operator)); - if (node.operand.kind === 182) { - var operand = node.operand; - if (node.operator === 35 && (operand.operator === 35 || operand.operator === 41)) { - write(" "); - } - else if (node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) { - write(" "); - } - } - emit(node.operand); - if (exportChanged) { - write(")"); - } - } - function emitPostfixUnaryExpression(node) { - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - write("(" + exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - write(ts.tokenToString(node.operator)); - emit(node.operand); - if (node.operator === 41) { - write(") - 1)"); - } - else { - write(") + 1)"); - } - } - else { - emit(node.operand); - write(ts.tokenToString(node.operator)); - } - } - function shouldHoistDeclarationInSystemJsModule(node) { - return isSourceFileLevelDeclarationInSystemJsModule(node, false); - } - function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { - if (!node || !isCurrentFileSystemExternalModule()) { - return false; - } - var current = ts.getRootDeclaration(node).parent; - while (current) { - if (current.kind === 251) { - return !isExported || ((ts.getCombinedNodeFlags(node) & 2) !== 0); - } - else if (ts.isDeclaration(current)) { - return false; - } - else { - current = current.parent; - } - } - } - function emitExponentiationOperator(node) { - var leftHandSideExpression = node.left; - if (node.operatorToken.kind === 60) { - var synthesizedLHS = void 0; - var shouldEmitParentheses = false; - if (ts.isElementAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(170, false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); - synthesizedLHS.expression = identifier; - if (leftHandSideExpression.argumentExpression.kind !== 8 && - leftHandSideExpression.argumentExpression.kind !== 9) { - var tempArgumentExpression = createAndRecordTempVariable(268435456); - synthesizedLHS.argumentExpression = tempArgumentExpression; - emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, true, leftHandSideExpression.expression); - } - else { - synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; - } - write(", "); - } - else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(169, false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); - synthesizedLHS.expression = identifier; - synthesizedLHS.dotToken = leftHandSideExpression.dotToken; - synthesizedLHS.name = leftHandSideExpression.name; - write(", "); - } - emit(synthesizedLHS || leftHandSideExpression); - write(" = "); - write("Math.pow("); - emit(synthesizedLHS || leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - if (shouldEmitParentheses) { - write(")"); - } - } - else { - write("Math.pow("); - emit(leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - } - } - function emitBinaryExpression(node) { - if (languageVersion < 2 && node.operatorToken.kind === 56 && - (node.left.kind === 168 || node.left.kind === 167)) { - emitDestructuring(node, node.parent.kind === 198); - } - else { - var exportChanged = node.operatorToken.kind >= 56 && - node.operatorToken.kind <= 68 && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.left); - write("\", "); - } - if (node.operatorToken.kind === 38 || node.operatorToken.kind === 60) { - emitExponentiationOperator(node); - } - else { - emit(node.left); - var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 ? " " : undefined); - write(ts.tokenToString(node.operatorToken.kind)); - var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); - emit(node.right); - decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); - } - if (exportChanged) { - write(")"); - } - } - } - function synthesizedNodeStartsOnNewLine(node) { - return ts.nodeIsSynthesized(node) && node.startsOnNewLine; - } - function emitConditionalExpression(node) { - emit(node.condition); - var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); - write("?"); - var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); - emit(node.whenTrue); - decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); - var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); - write(":"); - var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); - emit(node.whenFalse); - decreaseIndentIf(indentedBeforeColon, indentedAfterColon); - } - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); - } - if (value2) { - decreaseIndent(); - } - } - function isSingleLineEmptyBlock(node) { - if (node && node.kind === 195) { - var block = node; - return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); - } - } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - emitToken(15, node.pos); - write(" "); - emitToken(16, node.statements.end); - return; - } - emitToken(15, node.pos); - increaseIndent(); - if (node.kind === 222) { - ts.Debug.assert(node.parent.kind === 221); - emitCaptureThisForNodeIfNecessary(node.parent); - } - emitLines(node.statements); - if (node.kind === 222) { - emitTempDeclarations(true); - } - decreaseIndent(); - writeLine(); - emitToken(16, node.statements.end); - } - function emitEmbeddedStatement(node) { - if (node.kind === 195) { - write(" "); - emit(node); - } - else { - increaseIndent(); - writeLine(); - emit(node); - decreaseIndent(); - } - } - function emitExpressionStatement(node) { - emitParenthesizedIf(node.expression, node.expression.kind === 177); - write(";"); - } - function emitIfStatement(node) { - var endPos = emitToken(88, node.pos); - write(" "); - endPos = emitToken(17, endPos); - emit(node.expression); - emitToken(18, node.expression.end); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - emitToken(80, node.thenStatement.end); - if (node.elseStatement.kind === 199) { - write(" "); - emit(node.elseStatement); - } - else { - emitEmbeddedStatement(node.elseStatement); - } - } - } - function emitDoStatement(node) { - emitLoop(node, emitDoStatementWorker); - } - function emitDoStatementWorker(node, loop) { - write("do"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - if (node.statement.kind === 195) { - write(" "); - } - else { - writeLine(); - } - write("while ("); - emit(node.expression); - write(");"); - } - function emitWhileStatement(node) { - emitLoop(node, emitWhileStatementWorker); - } - function emitWhileStatementWorker(node, loop) { - write("while ("); - emit(node.expression); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function tryEmitStartOfVariableDeclarationList(decl) { - if (shouldHoistVariable(decl, true)) { - return false; - } - if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576) === 0) { - for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { - var varDecl = _b[_a]; - hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); - } - return false; - } - emitStart(decl); - if (decl && languageVersion >= 2) { - if (ts.isLet(decl)) { - write("let "); - } - else if (ts.isConst(decl)) { - write("const "); - } - else { - write("var "); - } - } - else { - write("var "); - } - return true; - } - function emitVariableDeclarationListSkippingUninitializedEntries(list) { - var started = false; - for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { - var decl = _b[_a]; - if (!decl.initializer) { - continue; - } - if (!started) { - started = true; - } - else { - write(", "); - } - emit(decl); - } - return started; - } - function shouldConvertLoopBody(node) { - return languageVersion < 2 && - (resolver.getNodeCheckFlags(node) & 65536) !== 0; - } - function emitLoop(node, loopEmitter) { - var shouldConvert = shouldConvertLoopBody(node); - if (!shouldConvert) { - loopEmitter(node, undefined); - } - else { - var loop = convertLoopBody(node); - if (node.parent.kind === 210) { - emitLabelAndColon(node.parent); - } - loopEmitter(node, loop); - } - } - function convertLoopBody(node) { - var functionName = makeUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 202: - case 203: - case 204: - var initializer = node.initializer; - if (initializer && initializer.kind === 215) { - loopInitializer = node.initializer; - } - break; - } - var loopParameters; - var loopOutParameters; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576)) { - loopParameters = []; - for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { - var varDeclaration = _b[_a]; - processVariableDeclaration(varDeclaration.name); - } - } - var bodyIsBlock = node.statement.kind === 195; - var paramList = loopParameters ? loopParameters.join(", ") : ""; - writeLine(); - write("var " + functionName + " = function(" + paramList + ")"); - var convertedOuterLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (convertedOuterLoopState) { - if (convertedOuterLoopState.argumentsName) { - convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; - } - if (convertedOuterLoopState.thisName) { - convertedLoopState.thisName = convertedOuterLoopState.thisName; - } - if (convertedOuterLoopState.hoistedLocalVariables) { - convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; - } - } - write(" {"); - writeLine(); - increaseIndent(); - if (bodyIsBlock) { - emitLines(node.statement.statements); - } - else { - emit(node.statement); - } - writeLine(); - copyLoopOutParameters(convertedLoopState, 1, true); - decreaseIndent(); - writeLine(); - write("};"); - writeLine(); - if (loopOutParameters) { - write("var "); - for (var i = 0; i < loopOutParameters.length; i++) { - if (i !== 0) { - write(", "); - } - write(loopOutParameters[i].outParamName); - } - write(";"); - writeLine(); - } - if (convertedLoopState.argumentsName) { - if (convertedOuterLoopState) { - convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; - } - else { - write("var " + convertedLoopState.argumentsName + " = arguments;"); - writeLine(); - } - } - if (convertedLoopState.thisName) { - if (convertedOuterLoopState) { - convertedOuterLoopState.thisName = convertedLoopState.thisName; - } - else { - write("var " + convertedLoopState.thisName + " = this;"); - writeLine(); - } - } - if (convertedLoopState.hoistedLocalVariables) { - if (convertedOuterLoopState) { - convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; - } - else { - write("var "); - var seen = void 0; - for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { - var id = _d[_c]; - if (!seen) { - seen = {}; - } - else { - write(", "); - } - if (!ts.hasProperty(seen, id.text)) { - emit(id); - seen[id.text] = id.text; - } - } - write(";"); - writeLine(); - } - } - var currentLoopState = convertedLoopState; - convertedLoopState = convertedOuterLoopState; - return { functionName: functionName, paramList: paramList, state: currentLoopState }; - function processVariableDeclaration(name) { - if (name.kind === 69) { - var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) - ? getGeneratedNameForNode(name) - : name.text; - loopParameters.push(nameText); - if (resolver.getNodeCheckFlags(name.parent) & 2097152) { - var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; - (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); - } - } - else { - for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { - var element = _b[_a]; - processVariableDeclaration(element.name); - } - } - } - } - function emitNormalLoopBody(node, emitAsEmbeddedStatement) { - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 | 4; - } - if (emitAsEmbeddedStatement) { - emitEmbeddedStatement(node.statement); - } - else if (node.statement.kind === 195) { - emitLines(node.statement.statements); - } - else { - writeLine(); - emit(node.statement); - } - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function copyLoopOutParameters(state, copyDirection, emitAsStatements) { - if (state.loopOutParameters) { - for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { - var outParam = _b[_a]; - if (copyDirection === 0) { - emitIdentifier(outParam.originalName); - write(" = " + outParam.outParamName); - } - else { - write(outParam.outParamName + " = "); - emitIdentifier(outParam.originalName); - } - if (emitAsStatements) { - write(";"); - writeLine(); - } - else { - write(", "); - } - } - } - } - function emitConvertedLoopCall(loop, emitAsBlock) { - if (emitAsBlock) { - write(" {"); - writeLine(); - increaseIndent(); - } - var isSimpleLoop = !loop.state.nonLocalJumps && - !loop.state.labeledNonLocalBreaks && - !loop.state.labeledNonLocalContinues; - var loopResult = makeUniqueName("state"); - if (!isSimpleLoop) { - write("var " + loopResult + " = "); - } - write(loop.functionName + "(" + loop.paramList + ");"); - writeLine(); - copyLoopOutParameters(loop.state, 0, true); - if (!isSimpleLoop) { - writeLine(); - if (loop.state.nonLocalJumps & 8) { - write("if (typeof " + loopResult + " === \"object\") "); - if (convertedLoopState) { - write("return " + loopResult + ";"); - convertedLoopState.nonLocalJumps |= 8; - } - else { - write("return " + loopResult + ".value;"); - } - writeLine(); - } - if (loop.state.nonLocalJumps & 2) { - write("if (" + loopResult + " === \"break\") break;"); - writeLine(); - } - if (loop.state.nonLocalJumps & 4) { - write("if (" + loopResult + " === \"continue\") continue;"); - writeLine(); - } - emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); - } - if (emitAsBlock) { - writeLine(); - decreaseIndent(); - write("}"); - } - function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { - if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { - return; - } - write("switch(" + loopResultVariable + ") {"); - increaseIndent(); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, true, loopResultVariable, outerLoop); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, false, loopResultVariable, outerLoop); - decreaseIndent(); - writeLine(); - write("}"); - } - function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - writeLine(); - write("case \"" + labelMarker + "\": "); - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - if (isBreak) { - write("break "); - } - else { - write("continue "); - } - write(labelText + ";"); - } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - write("return " + loopResultVariable + ";"); - } - } - } - } - function emitForStatement(node) { - emitLoop(node, emitForStatementWorker); - } - function emitForStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - if (node.initializer && node.initializer.kind === 215) { - var variableDeclarationList = node.initializer; - var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); - if (startIsEmitted) { - emitCommaList(variableDeclarationList.declarations); - } - else { - emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); - } - } - else if (node.initializer) { - emit(node.initializer); - } - write(";"); - emitOptional(" ", node.condition); - write(";"); - emitOptional(" ", node.incrementor); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function emitForInOrForOfStatement(node) { - if (languageVersion < 2 && node.kind === 204) { - emitLoop(node, emitDownLevelForOfStatementWorker); - } - else { - emitLoop(node, emitForInOrForOfStatementWorker); - } - } - function emitForInOrForOfStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - if (node.initializer.kind === 215) { - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length >= 1) { - tryEmitStartOfVariableDeclarationList(variableDeclarationList); - emit(variableDeclarationList.declarations[0]); - } - } - else { - emit(node.initializer); - } - if (node.kind === 203) { - write(" in "); - } - else { - write(" of "); - } - emit(node.expression); - emitToken(18, node.expression.end); - if (loop) { - emitConvertedLoopCall(loop, true); - } - else { - emitNormalLoopBody(node, true); - } - } - function emitDownLevelForOfStatementWorker(node, loop) { - var endPos = emitToken(86, node.pos); - write(" "); - endPos = emitToken(17, endPos); - var counter = createTempVariable(268435456); - var rhsReference = ts.createSynthesizedNode(69); - rhsReference.text = node.expression.kind === 69 ? - makeUniqueName(node.expression.text) : - makeTempVariableName(0); - emitStart(node.expression); - write("var "); - emitNodeWithoutSourceMap(counter); - write(" = 0"); - emitEnd(node.expression); - write(", "); - emitStart(node.expression); - emitNodeWithoutSourceMap(rhsReference); - write(" = "); - emitNodeWithoutSourceMap(node.expression); - emitEnd(node.expression); - write("; "); - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write(" < "); - emitNodeWithCommentsAndWithoutSourcemap(rhsReference); - write(".length"); - emitEnd(node.expression); - write("; "); - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write("++"); - emitEnd(node.expression); - emitToken(18, node.expression.end); - write(" {"); - writeLine(); - increaseIndent(); - var rhsIterationValue = createElementAccessExpression(rhsReference, counter); - emitStart(node.initializer); - if (node.initializer.kind === 215) { - write("var "); - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length > 0) { - var declaration = variableDeclarationList.declarations[0]; - if (ts.isBindingPattern(declaration.name)) { - emitDestructuring(declaration, false, rhsIterationValue); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(declaration); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - emitNodeWithoutSourceMap(createTempVariable(0)); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - var assignmentExpression = createBinaryExpression(node.initializer, 56, rhsIterationValue, false); - if (node.initializer.kind === 167 || node.initializer.kind === 168) { - emitDestructuring(assignmentExpression, true, undefined); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); - } - } - emitEnd(node.initializer); - write(";"); - if (loop) { - writeLine(); - emitConvertedLoopCall(loop, false); - } - else { - emitNormalLoopBody(node, false); - } - writeLine(); - decreaseIndent(); - write("}"); - } - function emitBreakOrContinueStatement(node) { - if (convertedLoopState) { - var jump = node.kind === 206 ? 2 : 4; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - write("return "); - copyLoopOutParameters(convertedLoopState, 1, false); - if (!node.label) { - if (node.kind === 206) { - convertedLoopState.nonLocalJumps |= 2; - write("\"break\";"); - } - else { - convertedLoopState.nonLocalJumps |= 4; - write("\"continue\";"); - } - } - else { - var labelMarker = void 0; - if (node.kind === 206) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); - } - write("\"" + labelMarker + "\";"); - } - return; - } - } - emitToken(node.kind === 206 ? 70 : 75, node.pos); - emitOptional(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - if (convertedLoopState) { - convertedLoopState.nonLocalJumps |= 8; - write("return { value: "); - if (node.expression) { - emit(node.expression); - } - else { - write("void 0"); - } - write(" };"); - return; - } - emitToken(94, node.pos); - emitOptional(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emit(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var endPos = emitToken(96, node.pos); - write(" "); - emitToken(17, endPos); - emit(node.expression); - endPos = emitToken(18, node.expression.end); - write(" "); - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps |= 2; - } - emitCaseBlock(node.caseBlock, endPos); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function emitCaseBlock(node, startPos) { - emitToken(15, startPos); - increaseIndent(); - emitLines(node.clauses); - decreaseIndent(); - writeLine(); - emitToken(16, node.clauses.end); - } - function nodeStartPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function nodeEndPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); - } - function nodeEndIsOnSameLineAsNodeStart(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function emitCaseOrDefaultClause(node) { - if (node.kind === 244) { - write("case "); - emit(node.expression); - write(":"); - } - else { - write("default:"); - } - if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { - write(" "); - emit(node.statements[0]); - } - else { - increaseIndent(); - emitLines(node.statements); - decreaseIndent(); - } - } - function emitThrowStatement(node) { - write("throw "); - emit(node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); - } - } - function emitCatchClause(node) { - writeLine(); - var endPos = emitToken(72, node.pos); - write(" "); - emitToken(17, endPos); - emit(node.variableDeclaration); - emitToken(18, node.variableDeclaration ? node.variableDeclaration.end : endPos); - write(" "); - emitBlock(node.block); - } - function emitDebuggerStatement(node) { - emitToken(76, node.pos); - write(";"); - } - function emitLabelAndColon(node) { - emit(node.label); - write(": "); - } - function emitLabeledStatement(node) { - if (!ts.isIterationStatement(node.statement, false) || !shouldConvertLoopBody(node.statement)) { - emitLabelAndColon(node); - } - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = {}; - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - emit(node.statement); - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; - } - } - function getContainingModule(node) { - do { - node = node.parent; - } while (node && node.kind !== 221); - return node; - } - function emitContainingModuleName(node) { - var container = getContainingModule(node); - write(container ? getGeneratedNameForNode(container) : "exports"); - } - function emitModuleMemberName(node) { - emitStart(node.name); - if (ts.getCombinedNodeFlags(node) & 2) { - var container = getContainingModule(node); - if (container) { - write(getGeneratedNameForNode(container)); - write("."); - } - else if (modulekind !== 5 && modulekind !== 4) { - write("exports."); - } - } - emitNodeWithCommentsAndWithoutSourcemap(node.name); - emitEnd(node.name); - } - function createVoidZero() { - var zero = ts.createSynthesizedNode(8); - zero.text = "0"; - var result = ts.createSynthesizedNode(180); - result.expression = zero; - return result; - } - function emitEs6ExportDefaultCompat(node) { - if (node.parent.kind === 251) { - ts.Debug.assert(!!(node.flags & 512) || node.kind === 230); - if (modulekind === 1 || modulekind === 2 || modulekind === 3) { - if (!isEs6Module) { - if (languageVersion !== 0) { - write("Object.defineProperty(exports, \"__esModule\", { value: true });"); - writeLine(); - } - else { - write("exports.__esModule = true;"); - writeLine(); - } - } - } - } - } - function emitExportMemberAssignment(node) { - if (node.flags & 2) { - writeLine(); - emitStart(node); - if (modulekind === 4 && node.parent === currentSourceFile) { - write(exportFunctionForFile + "(\""); - if (node.flags & 512) { - write("default"); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - write("\", "); - emitDeclarationName(node); - write(")"); - } - else { - if (node.flags & 512) { - emitEs6ExportDefaultCompat(node); - if (languageVersion === 0) { - write("exports[\"default\"]"); - } - else { - write("exports.default"); - } - } - else { - emitModuleMemberName(node); - } - write(" = "); - emitDeclarationName(node); - } - emitEnd(node); - write(";"); - } - } - function emitExportMemberAssignments(name) { - if (modulekind === 4) { - return; - } - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { - var specifier = _b[_a]; - writeLine(); - emitStart(specifier.name); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - emitEnd(specifier.name); - write(" = "); - emitExpressionIdentifier(name); - write(";"); - } - } - } - function emitExportSpecifierInSystemModule(specifier) { - ts.Debug.assert(modulekind === 4); - if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { - return; - } - writeLine(); - emitStart(specifier.name); - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write("\", "); - emitExpressionIdentifier(specifier.propertyName || specifier.name); - write(")"); - emitEnd(specifier.name); - write(";"); - } - function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { - if (shouldEmitCommaBeforeAssignment) { - write(", "); - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(name); - write("\", "); - } - var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 || name.parent.kind === 166); - emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); - withTemporaryNoSourceMap(function () { - if (isVariableDeclarationOrBindingElement) { - emitModuleMemberName(name.parent); - } - else { - emit(name); - } - write(" = "); - emit(value); - }); - emitEnd(nodeForSourceMap, true); - if (exportChanged) { - write(")"); - } - } - function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { - var identifier = createTempVariable(0); - if (!canDefineTempVariablesInPlace) { - recordTempDeclaration(identifier); - } - emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); - return identifier; - } - function isFirstVariableDeclaration(root) { - return root.kind === 214 && - root.parent.kind === 215 && - root.parent.declarations[0] === root; - } - function emitDestructuring(root, isAssignmentExpressionStatement, value) { - var emitCount = 0; - var canDefineTempVariablesInPlace = false; - if (root.kind === 214) { - var isExported = ts.getCombinedNodeFlags(root) & 2; - var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); - canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; - } - else if (root.kind === 139) { - canDefineTempVariablesInPlace = true; - } - if (root.kind === 184) { - emitAssignmentExpression(root); - } - else { - ts.Debug.assert(!isAssignmentExpressionStatement); - if (isFirstVariableDeclaration(root)) { - sourceMap.changeEmitSourcePos(); - } - emitBindingElement(root, value); - } - function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { - if (expr.kind === 69 && reuseIdentifierExpressions) { - return expr; - } - var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); - emitCount++; - return identifier; - } - function createDefaultValueCheck(value, defaultValue, sourceMapNode) { - value = ensureIdentifier(value, true, sourceMapNode); - var equals = ts.createSynthesizedNode(184); - equals.left = value; - equals.operatorToken = ts.createSynthesizedNode(32); - equals.right = createVoidZero(); - return createConditionalExpression(equals, defaultValue, value); - } - function createConditionalExpression(condition, whenTrue, whenFalse) { - var cond = ts.createSynthesizedNode(185); - cond.condition = condition; - cond.questionToken = ts.createSynthesizedNode(53); - cond.whenTrue = whenTrue; - cond.colonToken = ts.createSynthesizedNode(54); - cond.whenFalse = whenFalse; - return cond; - } - function createNumericLiteral(value) { - var node = ts.createSynthesizedNode(8); - node.text = "" + value; - return node; - } - function createPropertyAccessForDestructuringProperty(object, propName) { - var index; - var nameIsComputed = propName.kind === 137; - if (nameIsComputed) { - index = ensureIdentifier(propName.expression, false, propName); - } - else { - index = ts.createSynthesizedNode(propName.kind); - index.text = ts.unescapeIdentifier(propName.text); - } - return !nameIsComputed && index.kind === 69 - ? createPropertyAccessExpression(object, index) - : createElementAccessExpression(object, index); - } - function createSliceCall(value, sliceIndex) { - var call = ts.createSynthesizedNode(171); - var sliceIdentifier = ts.createSynthesizedNode(69); - sliceIdentifier.text = "slice"; - call.expression = createPropertyAccessExpression(value, sliceIdentifier); - call.arguments = ts.createSynthesizedNodeArray(); - call.arguments[0] = createNumericLiteral(sliceIndex); - return call; - } - function emitObjectLiteralAssignment(target, value, sourceMapNode) { - var properties = target.properties; - if (properties.length !== 1) { - value = ensureIdentifier(value, true, sourceMapNode); - } - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var p = properties_5[_a]; - if (p.kind === 248 || p.kind === 249) { - var propName = p.name; - var target_1 = p.kind === 249 ? p : p.initializer || propName; - emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); - } - } - } - function emitArrayLiteralAssignment(target, value, sourceMapNode) { - var elements = target.elements; - if (elements.length !== 1) { - value = ensureIdentifier(value, true, sourceMapNode); - } - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190) { - if (e.kind !== 188) { - emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); - } - else if (i === elements.length - 1) { - emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); - } - } - } - } - function emitDestructuringAssignment(target, value, sourceMapNode) { - if (target.kind === 249) { - if (target.objectAssignmentInitializer) { - value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); - } - target = target.name; - } - else if (target.kind === 184 && target.operatorToken.kind === 56) { - value = createDefaultValueCheck(value, target.right, sourceMapNode); - target = target.left; - } - if (target.kind === 168) { - emitObjectLiteralAssignment(target, value, sourceMapNode); - } - else if (target.kind === 167) { - emitArrayLiteralAssignment(target, value, sourceMapNode); - } - else { - emitAssignment(target, value, emitCount > 0, sourceMapNode); - emitCount++; - } - } - function emitAssignmentExpression(root) { - var target = root.left; - var value = root.right; - if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { - emit(value); - } - else if (isAssignmentExpressionStatement) { - emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); - } - else { - if (root.parent.kind !== 175) { - write("("); - } - value = ensureIdentifier(value, true, root); - emitDestructuringAssignment(target, value, root); - write(", "); - emit(value); - if (root.parent.kind !== 175) { - write(")"); - } - } - } - function emitBindingElement(target, value) { - if (target.initializer) { - value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; - } - else if (!value) { - value = createVoidZero(); - } - if (ts.isBindingPattern(target.name)) { - var pattern = target.name; - var elements = pattern.elements; - var numElements = elements.length; - if (numElements !== 1) { - value = ensureIdentifier(value, numElements !== 0, target); - } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (pattern.kind === 164) { - var propName = element.propertyName || element.name; - emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); - } - else if (element.kind !== 190) { - if (!element.dotDotDotToken) { - emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); - } - else if (i === numElements - 1) { - emitBindingElement(element, createSliceCall(value, i)); - } - } - } - } - else { - emitAssignment(target.name, value, emitCount > 0, target); - emitCount++; - } - } - } - function emitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - if (languageVersion < 2) { - emitDestructuring(node, false); - } - else { - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - else { - var initializer = node.initializer; - if (!initializer && - languageVersion < 2 && - node.name.kind === 69) { - var container = ts.getEnclosingBlockScopeContainer(node); - var flags = resolver.getNodeCheckFlags(node); - var isCapturedInFunction = flags & 131072; - var isDeclaredInLoop = flags & 262144; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || - (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 && ts.isIterationStatement(container.parent, false)); - var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 && - !emittedAsTopLevel; - var emitExplicitInitializer = emittedAsNestedLetDeclaration && - container.kind !== 203 && - container.kind !== 204 && - (!resolver.isDeclarationWithCollidingName(node) || - (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, false))); - if (emitExplicitInitializer) { - initializer = createVoidZero(); - } - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(node.name); - write("\", "); - } - emitModuleMemberName(node); - emitOptional(" = ", initializer); - if (exportChanged) { - write(")"); - } - } - } - function emitExportVariableAssignments(node) { - if (node.kind === 190) { - return; - } - var name = node.name; - if (name.kind === 69) { - emitExportMemberAssignments(name); - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, emitExportVariableAssignments); - } - } - function isES6ExportedDeclaration(node) { - return !!(node.flags & 2) && - modulekind === 5 && - node.parent.kind === 251; - } - function emitVariableStatement(node) { - var startIsEmitted = false; - if (node.flags & 2) { - if (isES6ExportedDeclaration(node)) { - write("export "); - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - } - else { - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - if (startIsEmitted) { - emitCommaList(node.declarationList.declarations); - write(";"); - } - else { - var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); - if (atLeastOneItem) { - write(";"); - } - } - if (modulekind !== 5 && node.parent === currentSourceFile) { - ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); - } - } - function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { - if (!(node.flags & 2)) { - return true; - } - if (isES6ExportedDeclaration(node)) { - return true; - } - for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { - var declaration = _b[_a]; - if (declaration.initializer) { - return true; - } - } - return false; - } - function emitParameter(node) { - if (languageVersion < 2) { - if (ts.isBindingPattern(node.name)) { - var name_27 = createTempVariable(0); - if (!tempParameters) { - tempParameters = []; - } - tempParameters.push(name_27); - emit(name_27); - } - else { - emit(node.name); - } - } - else { - if (node.dotDotDotToken) { - write("..."); - } - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - function emitDefaultValueAssignments(node) { - if (languageVersion < 2) { - var tempIndex_1 = 0; - ts.forEach(node.parameters, function (parameter) { - if (parameter.dotDotDotToken) { - return; - } - var paramName = parameter.name, initializer = parameter.initializer; - if (ts.isBindingPattern(paramName)) { - var hasBindingElements = paramName.elements.length > 0; - if (hasBindingElements || initializer) { - writeLine(); - write("var "); - if (hasBindingElements) { - emitDestructuring(parameter, false, tempParameters[tempIndex_1]); - } - else { - emit(tempParameters[tempIndex_1]); - write(" = "); - emit(initializer); - } - write(";"); - tempIndex_1++; - } - } - else if (initializer) { - writeLine(); - emitStart(parameter); - write("if ("); - emitNodeWithoutSourceMap(paramName); - write(" === void 0)"); - emitEnd(parameter); - write(" { "); - emitStart(parameter); - emitNodeWithCommentsAndWithoutSourcemap(paramName); - write(" = "); - emitNodeWithCommentsAndWithoutSourcemap(initializer); - emitEnd(parameter); - write("; }"); - } - }); - } - } - function emitRestParameter(node) { - if (languageVersion < 2 && ts.hasRestParameter(node)) { - var restIndex = node.parameters.length - 1; - var restParam = node.parameters[restIndex]; - if (ts.isBindingPattern(restParam.name)) { - return; - } - var tempName = createTempVariable(268435456).text; - writeLine(); - emitLeadingComments(restParam); - emitStart(restParam); - write("var "); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write(" = [];"); - emitEnd(restParam); - emitTrailingComments(restParam); - writeLine(); - write("for ("); - emitStart(restParam); - write("var " + tempName + " = " + restIndex + ";"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + " < arguments.length;"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + "++"); - emitEnd(restParam); - write(") {"); - increaseIndent(); - writeLine(); - emitStart(restParam); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); - emitEnd(restParam); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitAccessor(node) { - write(node.kind === 146 ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node); - } - function shouldEmitAsArrowFunction(node) { - return node.kind === 177 && languageVersion >= 2; - } - function emitDeclarationName(node) { - if (node.name) { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - else { - write(getGeneratedNameForNode(node)); - } - } - function shouldEmitFunctionName(node) { - if (node.kind === 176) { - return !!node.name; - } - if (node.kind === 216) { - return !!node.name || modulekind !== 5; - } - } - function emitFunctionDeclaration(node) { - if (ts.nodeIsMissing(node.body)) { - return emitCommentsOnNotEmittedNode(node); - } - var kind = node.kind, parent = node.parent; - if (kind !== 144 && - kind !== 143 && - parent && - parent.kind !== 248 && - parent.kind !== 171 && - parent.kind !== 167) { - emitLeadingComments(node); - } - emitStart(node); - if (!shouldEmitAsArrowFunction(node)) { - if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512) { - write("default "); - } - } - write("function"); - if (languageVersion >= 2 && node.asteriskToken) { - write("*"); - } - write(" "); - } - if (shouldEmitFunctionName(node)) { - emitDeclarationName(node); - } - emitSignatureAndBody(node); - if (modulekind !== 5 && kind === 216 && parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - emitEnd(node); - if (kind !== 144 && kind !== 143) { - emitTrailingComments(node); - } - } - function emitCaptureThisForNodeIfNecessary(node) { - if (resolver.getNodeCheckFlags(node) & 4) { - writeLine(); - emitStart(node); - write("var _this = this;"); - emitEnd(node); - } - } - function emitSignatureParameters(node) { - increaseIndent(); - write("("); - if (node) { - var parameters = node.parameters; - var omitCount = languageVersion < 2 && ts.hasRestParameter(node) ? 1 : 0; - emitList(parameters, 0, parameters.length - omitCount, false, false); - } - write(")"); - decreaseIndent(); - } - function emitSignatureParametersForArrow(node) { - if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { - emit(node.parameters[0]); - return; - } - emitSignatureParameters(node); - } - function emitAsyncFunctionBodyForES6(node) { - var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); - var isArrowFunction = node.kind === 177; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; - if (!isArrowFunction) { - write(" {"); - increaseIndent(); - writeLine(); - if (resolver.getNodeCheckFlags(node) & 4096) { - writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); - writeLine(); - } - else if (resolver.getNodeCheckFlags(node) & 2048) { - write("const _super = name => super[name];"); - writeLine(); - } - write("return"); - } - write(" __awaiter(this"); - if (hasLexicalArguments) { - write(", arguments, "); - } - else { - write(", void 0, "); - } - if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2)) { - write("void 0"); - } - else { - emitEntityNameAsExpression(promiseConstructor, false); - } - write(", function* ()"); - emitFunctionBody(node); - write(")"); - if (!isArrowFunction) { - write(";"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitFunctionBody(node) { - if (!node.body) { - write(" { }"); - } - else { - if (node.body.kind === 195) { - emitBlockFunctionBody(node, node.body); - } - else { - emitExpressionFunctionBody(node, node.body); - } - } - } - function emitSignatureAndBody(node) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - if (shouldEmitAsArrowFunction(node)) { - emitSignatureParametersForArrow(node); - write(" =>"); - } - else { - emitSignatureParameters(node); - } - var isAsync = ts.isAsyncFunctionLike(node); - if (isAsync) { - emitAsyncFunctionBodyForES6(node); - } - else { - emitFunctionBody(node); - } - if (!isES6ExportedDeclaration(node)) { - emitExportMemberAssignment(node); - } - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitFunctionBodyPreamble(node) { - emitCaptureThisForNodeIfNecessary(node); - emitDefaultValueAssignments(node); - emitRestParameter(node); - } - function emitExpressionFunctionBody(node, body) { - if (languageVersion < 2 || node.flags & 256) { - emitDownLevelExpressionFunctionBody(node, body); - return; - } - write(" "); - var current = body; - while (current.kind === 174) { - current = current.expression; - } - emitParenthesizedIf(body, current.kind === 168); - } - function emitDownLevelExpressionFunctionBody(node, body) { - write(" {"); - increaseIndent(); - var outPos = writer.getTextPos(); - emitDetachedCommentsAndUpdateCommentsInfo(node.body); - emitFunctionBodyPreamble(node); - var preambleEmitted = writer.getTextPos() !== outPos; - decreaseIndent(); - if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { - write(" "); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTempDeclarations(false); - write(" "); - } - else { - increaseIndent(); - writeLine(); - emitLeadingComments(node.body); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTrailingComments(node.body); - emitTempDeclarations(true); - decreaseIndent(); - writeLine(); - } - emitStart(node.body); - write("}"); - emitEnd(node.body); - } - function emitBlockFunctionBody(node, body) { - write(" {"); - var initialTextPos = writer.getTextPos(); - increaseIndent(); - emitDetachedCommentsAndUpdateCommentsInfo(body.statements); - var startIndex = emitDirectivePrologues(body.statements, true); - emitFunctionBodyPreamble(node); - decreaseIndent(); - var preambleEmitted = writer.getTextPos() !== initialTextPos; - if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - write(" "); - emit(statement); - } - emitTempDeclarations(false); - write(" "); - emitLeadingCommentsOfPosition(body.statements.end); - } - else { - increaseIndent(); - emitLinesStartingAt(body.statements, startIndex); - emitTempDeclarations(true); - writeLine(); - emitLeadingCommentsOfPosition(body.statements.end); - decreaseIndent(); - } - emitToken(16, body.statements.end); - } - function getSuperCallAtGivenIndex(ctor, index) { - if (!ctor.body) { - return undefined; - } - var statements = ctor.body.statements; - if (!statements || index >= statements.length) { - return undefined; - } - var statement = statements[index]; - if (statement.kind === 198) { - return ts.isSuperCallExpression(statement.expression) ? statement : undefined; - } - } - function emitParameterPropertyAssignments(node) { - ts.forEach(node.parameters, function (param) { - if (param.flags & 56) { - writeLine(); - emitStart(param); - emitStart(param.name); - write("this."); - emitNodeWithoutSourceMap(param.name); - emitEnd(param.name); - write(" = "); - emit(param.name); - write(";"); - emitEnd(param); - } - }); - } - function emitMemberAccessForPropertyName(memberName) { - if (memberName.kind === 9 || memberName.kind === 8) { - write("["); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - write("]"); - } - else if (memberName.kind === 137) { - emitComputedPropertyName(memberName); - } - else { - write("."); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - } - } - function getInitializedProperties(node, isStatic) { - var properties = []; - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if (member.kind === 142 && isStatic === ((member.flags & 64) !== 0) && member.initializer) { - properties.push(member); - } - } - return properties; - } - function emitPropertyDeclarations(node, properties) { - for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { - var property = properties_6[_a]; - emitPropertyDeclaration(node, property); - } - } - function emitPropertyDeclaration(node, property, receiver, isExpression) { - writeLine(); - emitLeadingComments(property); - emitStart(property); - emitStart(property.name); - if (receiver) { - emit(receiver); - } - else { - if (property.flags & 64) { - emitDeclarationName(node); - } - else { - write("this"); - } - } - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - emit(property.initializer); - if (!isExpression) { - write(";"); - } - emitEnd(property); - emitTrailingComments(property); - } - function emitMemberFunctionsForES5AndLower(node) { - ts.forEach(node.members, function (member) { - if (member.kind === 194) { - writeLine(); - write(";"); - } - else if (member.kind === 144 || node.kind === 143) { - if (!member.body) { - return emitCommentsOnNotEmittedNode(member); - } - writeLine(); - emitLeadingComments(member); - emitStart(member); - emitStart(member.name); - emitClassMemberPrefix(node, member); - emitMemberAccessForPropertyName(member.name); - emitEnd(member.name); - write(" = "); - emitFunctionDeclaration(member); - emitEnd(member); - write(";"); - emitTrailingComments(member); - } - else if (member.kind === 146 || member.kind === 147) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - writeLine(); - emitStart(member); - write("Object.defineProperty("); - emitStart(member.name); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - emitEnd(member.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("});"); - emitEnd(member); - } - } - }); - } - function emitMemberFunctionsForES6AndHigher(node) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.kind === 144 || node.kind === 143) && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - else if (member.kind === 144 || - member.kind === 146 || - member.kind === 147) { - writeLine(); - emitLeadingComments(member); - emitStart(member); - if (member.flags & 64) { - write("static "); - } - if (member.kind === 146) { - write("get "); - } - else if (member.kind === 147) { - write("set "); - } - if (member.asteriskToken) { - write("*"); - } - emit(member.name); - emitSignatureAndBody(member); - emitEnd(member); - emitTrailingComments(member); - } - else if (member.kind === 194) { - writeLine(); - write(";"); - } - } - } - function emitConstructor(node, baseTypeElement) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - emitConstructorWorker(node, baseTypeElement); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitConstructorWorker(node, baseTypeElement) { - var hasInstancePropertyWithInitializer = false; - ts.forEach(node.members, function (member) { - if (member.kind === 145 && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - if (member.kind === 142 && member.initializer && (member.flags & 64) === 0) { - hasInstancePropertyWithInitializer = true; - } - }); - var ctor = ts.getFirstConstructorWithBody(node); - if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) { - return; - } - if (ctor) { - emitLeadingComments(ctor); - } - emitStart(ctor || node); - if (languageVersion < 2) { - write("function "); - emitDeclarationName(node); - emitSignatureParameters(ctor); - } - else { - write("constructor"); - if (ctor) { - emitSignatureParameters(ctor); - } - else { - if (baseTypeElement) { - write("(...args)"); - } - else { - write("()"); - } - } - } - var startIndex = 0; - write(" {"); - increaseIndent(); - if (ctor) { - startIndex = emitDirectivePrologues(ctor.body.statements, true); - emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); - } - emitCaptureThisForNodeIfNecessary(node); - var superCall; - if (ctor) { - emitDefaultValueAssignments(ctor); - emitRestParameter(ctor); - if (baseTypeElement) { - superCall = getSuperCallAtGivenIndex(ctor, startIndex); - if (superCall) { - writeLine(); - emit(superCall); - } - } - emitParameterPropertyAssignments(ctor); - } - else { - if (baseTypeElement) { - writeLine(); - emitStart(baseTypeElement); - if (languageVersion < 2) { - write("_super.apply(this, arguments);"); - } - else { - write("super(...args);"); - } - emitEnd(baseTypeElement); - } - } - emitPropertyDeclarations(node, getInitializedProperties(node, false)); - if (ctor) { - var statements = ctor.body.statements; - if (superCall) { - statements = statements.slice(1); - } - emitLinesStartingAt(statements, startIndex); - } - emitTempDeclarations(true); - writeLine(); - if (ctor) { - emitLeadingCommentsOfPosition(ctor.body.statements.end); - } - decreaseIndent(); - emitToken(16, ctor ? ctor.body.statements.end : node.members.end); - emitEnd(ctor || node); - if (ctor) { - emitTrailingComments(ctor); - } - } - function emitClassExpression(node) { - return emitClassLikeDeclaration(node); - } - function emitClassDeclaration(node) { - return emitClassLikeDeclaration(node); - } - function emitClassLikeDeclaration(node) { - if (languageVersion < 2) { - emitClassLikeDeclarationBelowES6(node); - } - else { - emitClassLikeDeclarationForES6AndHigher(node); - } - if (modulekind !== 5 && node.parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - } - function emitClassLikeDeclarationForES6AndHigher(node) { - var decoratedClassAlias; - var thisNodeIsDecorated = ts.nodeIsDecorated(node); - if (node.kind === 217) { - if (thisNodeIsDecorated) { - if (resolver.getNodeCheckFlags(node) & 524288) { - decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); - decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; - write("let " + decoratedClassAlias + ";"); - writeLine(); - } - if (isES6ExportedDeclaration(node) && !(node.flags & 512)) { - write("export "); - } - write("let "); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = "); - } - else if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512) { - write("default "); - } - } - } - var staticProperties = getInitializedProperties(node, true); - var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189; - var tempVariable; - if (isClassExpressionWithStaticProperties) { - tempVariable = createAndRecordTempVariable(0); - write("("); - increaseIndent(); - emit(tempVariable); - write(" = "); - } - write("class"); - if (node.name || (node.flags & 512 && (staticProperties.length > 0 || modulekind !== 5) && !thisNodeIsDecorated)) { - write(" "); - emitDeclarationName(node); - } - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write(" extends "); - emit(baseTypeNode.expression); - } - write(" {"); - increaseIndent(); - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES6AndHigher(node); - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - if (thisNodeIsDecorated) { - decoratedClassAliases[ts.getNodeId(node)] = undefined; - write(";"); - } - if (isClassExpressionWithStaticProperties) { - for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { - var property = staticProperties_1[_a]; - write(","); - writeLine(); - emitPropertyDeclaration(node, property, tempVariable, true); - } - write(","); - writeLine(); - emit(tempVariable); - decreaseIndent(); - write(")"); - } - else { - writeLine(); - emitPropertyDeclarations(node, staticProperties); - emitDecoratorsOfClass(node, decoratedClassAlias); - } - if (!(node.flags & 2)) { - return; - } - if (modulekind !== 5) { - emitExportMemberAssignment(node); - } - else { - if (node.flags & 512) { - if (thisNodeIsDecorated) { - writeLine(); - write("export default "); - emitDeclarationName(node); - write(";"); - } - } - else if (node.parent.kind !== 251) { - writeLine(); - emitStart(node); - emitModuleMemberName(node); - write(" = "); - emitDeclarationName(node); - emitEnd(node); - write(";"); - } - } - } - function emitClassLikeDeclarationBelowES6(node) { - if (node.kind === 217) { - if (!shouldHoistDeclarationInSystemJsModule(node)) { - write("var "); - } - emitDeclarationName(node); - write(" = "); - } - write("(function ("); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write("_super"); - } - write(") {"); - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; - var saveConvertedLoopState = convertedLoopState; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - computedPropertyNamesToGeneratedNames = undefined; - increaseIndent(); - if (baseTypeNode) { - writeLine(); - emitStart(baseTypeNode); - write("__extends("); - emitDeclarationName(node); - write(", _super);"); - emitEnd(baseTypeNode); - } - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES5AndLower(node); - emitPropertyDeclarations(node, getInitializedProperties(node, true)); - writeLine(); - emitDecoratorsOfClass(node, undefined); - writeLine(); - emitToken(16, node.members.end, function () { - write("return "); - emitDeclarationName(node); - }); - write(";"); - emitTempDeclarations(true); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - emitStart(node); - write("("); - if (baseTypeNode) { - emit(baseTypeNode.expression); - } - write("))"); - if (node.kind === 217) { - write(";"); - } - emitEnd(node); - if (node.kind === 217) { - emitExportMemberAssignment(node); - } - } - function emitClassMemberPrefix(node, member) { - emitDeclarationName(node); - if (!(member.flags & 64)) { - write(".prototype"); - } - } - function emitDecoratorsOfClass(node, decoratedClassAlias) { - emitDecoratorsOfMembers(node, 0); - emitDecoratorsOfMembers(node, 64); - emitDecoratorsOfConstructor(node, decoratedClassAlias); - } - function emitDecoratorsOfConstructor(node, decoratedClassAlias) { - var decorators = node.decorators; - var constructor = ts.getFirstConstructorWithBody(node); - var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); - if (!decorators && !firstParameterDecorator) { - return; - } - writeLine(); - emitStart(node.decorators || firstParameterDecorator); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = __decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(constructor, argumentsWritten > 0); - } - emitSerializedTypeMetadata(node, argumentsWritten >= 0); - decreaseIndent(); - writeLine(); - write("], "); - emitDeclarationName(node); - write(")"); - emitEnd(node.decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - function emitDecoratorsOfMembers(node, staticFlag) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.flags & 64) !== staticFlag) { - continue; - } - if (!ts.nodeCanBeDecorated(member)) { - continue; - } - var decorators = void 0; - var functionLikeMember = void 0; - if (ts.isAccessor(member)) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member !== accessors.firstAccessor) { - continue; - } - decorators = accessors.firstAccessor.decorators; - if (!decorators && accessors.secondAccessor) { - decorators = accessors.secondAccessor.decorators; - } - functionLikeMember = accessors.setAccessor; - } - else { - decorators = member.decorators; - if (member.kind === 144) { - functionLikeMember = member; - } - } - var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); - if (!decorators && !firstParameterDecorator) { - continue; - } - writeLine(); - emitStart(decorators || firstParameterDecorator); - write("__decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); - } - emitSerializedTypeMetadata(member, argumentsWritten > 0); - decreaseIndent(); - writeLine(); - write("], "); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - if (languageVersion > 0) { - if (member.kind !== 142) { - write(", null"); - } - else { - write(", void 0"); - } - } - write(")"); - emitEnd(decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - } - function emitDecoratorsOfParameters(node, leadingComma) { - var argumentsWritten = 0; - if (node) { - var parameterIndex_1 = 0; - for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { - var parameter = _b[_a]; - if (ts.nodeIsDecorated(parameter)) { - var decorators = parameter.decorators; - argumentsWritten += emitList(decorators, 0, decorators.length, true, false, leadingComma, true, function (decorator) { - write("__param(" + parameterIndex_1 + ", "); - emit(decorator.expression); - write(")"); - }); - leadingComma = true; - } - parameterIndex_1++; - } - } - return argumentsWritten; - } - function shouldEmitTypeMetadata(node) { - switch (node.kind) { - case 144: - case 146: - case 147: - case 142: - return true; - } - return false; - } - function shouldEmitReturnTypeMetadata(node) { - switch (node.kind) { - case 144: - return true; - } - return false; - } - function shouldEmitParamTypesMetadata(node) { - switch (node.kind) { - case 217: - case 144: - case 147: - return true; - } - return false; - } - function emitSerializedTypeOfNode(node) { - switch (node.kind) { - case 217: - write("Function"); - return; - case 142: - emitSerializedTypeNode(node.type); - return; - case 139: - emitSerializedTypeNode(node.type); - return; - case 146: - emitSerializedTypeNode(node.type); - return; - case 147: - emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - return; - } - if (ts.isFunctionLike(node)) { - write("Function"); - return; - } - write("void 0"); - } - function emitSerializedTypeNode(node) { - if (node) { - switch (node.kind) { - case 103: - write("void 0"); - return; - case 161: - emitSerializedTypeNode(node.type); - return; - case 153: - case 154: - write("Function"); - return; - case 157: - case 158: - write("Array"); - return; - case 151: - case 120: - write("Boolean"); - return; - case 130: - case 163: - write("String"); - return; - case 128: - write("Number"); - return; - case 131: - write("Symbol"); - return; - case 152: - emitSerializedTypeReferenceNode(node); - return; - case 155: - case 156: - case 159: - case 160: - case 117: - case 162: - break; - default: - ts.Debug.fail("Cannot serialize unexpected type node."); - break; - } - } - write("Object"); - } - function emitSerializedTypeReferenceNode(node) { - var location = node.parent; - while (ts.isDeclaration(location) || ts.isTypeNode(location)) { - location = location.parent; - } - var typeName = ts.cloneEntityName(node.typeName, location); - var result = resolver.getTypeReferenceSerializationKind(typeName); - switch (result) { - case ts.TypeReferenceSerializationKind.Unknown: - var temp = createAndRecordTempVariable(0); - write("(typeof ("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(typeName, true); - write(") === 'function' && "); - emitNodeWithoutSourceMap(temp); - write(") || Object"); - break; - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - emitEntityNameAsExpression(typeName, false); - break; - case ts.TypeReferenceSerializationKind.VoidType: - write("void 0"); - break; - case ts.TypeReferenceSerializationKind.BooleanType: - write("Boolean"); - break; - case ts.TypeReferenceSerializationKind.NumberLikeType: - write("Number"); - break; - case ts.TypeReferenceSerializationKind.StringLikeType: - write("String"); - break; - case ts.TypeReferenceSerializationKind.ArrayLikeType: - write("Array"); - break; - case ts.TypeReferenceSerializationKind.ESSymbolType: - if (languageVersion < 2) { - write("typeof Symbol === 'function' ? Symbol : Object"); - } - else { - write("Symbol"); - } - break; - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - write("Function"); - break; - case ts.TypeReferenceSerializationKind.ObjectType: - write("Object"); - break; - } - } - function emitSerializedParameterTypesOfNode(node) { - if (node) { - var valueDeclaration = void 0; - if (node.kind === 217) { - valueDeclaration = ts.getFirstConstructorWithBody(node); - } - else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { - valueDeclaration = node; - } - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var parameterCount = parameters.length; - if (parameterCount > 0) { - for (var i = 0; i < parameterCount; i++) { - if (i > 0) { - write(", "); - } - if (parameters[i].dotDotDotToken) { - var parameterType = parameters[i].type; - if (parameterType.kind === 157) { - parameterType = parameterType.elementType; - } - else if (parameterType.kind === 152 && parameterType.typeArguments && parameterType.typeArguments.length === 1) { - parameterType = parameterType.typeArguments[0]; - } - else { - parameterType = undefined; - } - emitSerializedTypeNode(parameterType); - } - else { - emitSerializedTypeOfNode(parameters[i]); - } - } - } - } - } - } - function emitSerializedReturnTypeOfNode(node) { - if (node && ts.isFunctionLike(node) && node.type) { - emitSerializedTypeNode(node.type); - return; - } - write("void 0"); - } - function emitSerializedTypeMetadata(node, writeComma) { - var argumentsWritten = 0; - if (compilerOptions.emitDecoratorMetadata) { - if (shouldEmitTypeMetadata(node)) { - if (writeComma) { - write(", "); - } - writeLine(); - write("__metadata('design:type', "); - emitSerializedTypeOfNode(node); - write(")"); - argumentsWritten++; - } - if (shouldEmitParamTypesMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:paramtypes', ["); - emitSerializedParameterTypesOfNode(node); - write("])"); - argumentsWritten++; - } - if (shouldEmitReturnTypeMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:returntype', "); - emitSerializedReturnTypeOfNode(node); - write(")"); - argumentsWritten++; - } - } - return argumentsWritten; - } - function emitInterfaceDeclaration(node) { - emitCommentsOnNotEmittedNode(node); - } - function shouldEmitEnumDeclaration(node) { - var isConstEnum = ts.isConst(node); - return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; - } - function emitEnumDeclaration(node) { - if (!shouldEmitEnumDeclaration(node)) { - return; - } - if (!shouldHoistDeclarationInSystemJsModule(node)) { - var isES6ExportedEnum = isES6ExportedDeclaration(node); - if (!(node.flags & 2) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220))) { - emitStart(node); - if (isES6ExportedEnum) { - write("export "); - } - write("var "); - emit(node.name); - emitEnd(node); - write(";"); - } - } - writeLine(); - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") {"); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - writeLine(); - emitToken(16, node.members.end); - write(")("); - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.flags & 2 && !shouldHoistDeclarationInSystemJsModule(node)) { - writeLine(); - emitStart(node); - write("var "); - emit(node.name); - write(" = "); - emitModuleMemberName(node); - emitEnd(node); - write(";"); - } - if (modulekind !== 5 && node.parent === currentSourceFile) { - if (modulekind === 4 && (node.flags & 2)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function emitEnumMember(node) { - var enumParent = node.parent; - emitStart(node); - write(getGeneratedNameForNode(enumParent)); - write("["); - write(getGeneratedNameForNode(enumParent)); - write("["); - emitExpressionForPropertyName(node.name); - write("] = "); - writeEnumMemberDeclarationValue(node); - write("] = "); - emitExpressionForPropertyName(node.name); - emitEnd(node); - write(";"); - } - function writeEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - write(value.toString()); - return; - } - else if (member.initializer) { - emit(member.initializer); - } - else { - write("undefined"); - } - } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 221) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } - } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isModuleMergedWithES6Class(node) { - return languageVersion === 2 && !!(resolver.getNodeCheckFlags(node) & 32768); - } - function isFirstDeclarationOfKind(node, declarations, kind) { - return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); - } - function emitModuleDeclaration(node) { - var shouldEmit = shouldEmitModuleDeclaration(node); - if (!shouldEmit) { - return emitCommentsOnNotEmittedNode(node); - } - var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); - var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); - if (emitVarForModule) { - var isES6ExportedNamespace = isES6ExportedDeclaration(node); - if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221)) { - emitStart(node); - if (isES6ExportedNamespace) { - write("export "); - } - write("var "); - emit(node.name); - write(";"); - emitEnd(node); - writeLine(); - } - } - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") "); - if (node.body.kind === 222) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - emit(node.body); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - } - else { - write("{"); - increaseIndent(); - emitCaptureThisForNodeIfNecessary(node); - writeLine(); - emit(node.body); - decreaseIndent(); - writeLine(); - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - emitToken(16, moduleBlock.statements.end); - } - write(")("); - if ((node.flags & 2) && !isES6ExportedDeclaration(node)) { - emit(node.name); - write(" = "); - } - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.name.kind === 69 && node.parent === currentSourceFile) { - if (modulekind === 4 && (node.flags & 2)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function tryRenameExternalModule(moduleName) { - if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { - return "\"" + renamedDependencies[moduleName.text] + "\""; - } - return undefined; - } - function emitRequire(moduleName) { - if (moduleName.kind === 9) { - write("require("); - var text = tryRenameExternalModule(moduleName); - if (text) { - write(text); - } - else { - emitStart(moduleName); - emitLiteral(moduleName); - emitEnd(moduleName); - } - emitToken(18, moduleName.end); - } - else { - write("require()"); - } - } - function getNamespaceDeclarationNode(node) { - if (node.kind === 224) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227) { - return importClause.namedBindings; - } - } - function isDefaultImport(node) { - return node.kind === 225 && node.importClause && !!node.importClause.name; - } - function emitExportImportAssignments(node) { - if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - emitExportMemberAssignments(node.name); - } - ts.forEachChild(node, emitExportImportAssignments); - } - function emitImportDeclaration(node) { - if (modulekind !== 5) { - return emitExternalImportDeclaration(node); - } - if (node.importClause) { - var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); - var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true); - if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { - write("import "); - emitStart(node.importClause); - if (shouldEmitDefaultBindings) { - emit(node.importClause.name); - if (shouldEmitNamedBindings) { - write(", "); - } - } - if (shouldEmitNamedBindings) { - emitLeadingComments(node.importClause.namedBindings); - emitStart(node.importClause.namedBindings); - if (node.importClause.namedBindings.kind === 227) { - write("* as "); - emit(node.importClause.namedBindings.name); - } - else { - write("{ "); - emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); - write(" }"); - } - emitEnd(node.importClause.namedBindings); - emitTrailingComments(node.importClause.namedBindings); - } - emitEnd(node.importClause); - write(" from "); - emit(node.moduleSpecifier); - write(";"); - } - } - else { - write("import "); - emit(node.moduleSpecifier); - write(";"); - } - } - function emitExternalImportDeclaration(node) { - if (ts.contains(externalImports, node)) { - var isExportedImport = node.kind === 224 && (node.flags & 2) !== 0; - var namespaceDeclaration = getNamespaceDeclarationNode(node); - var varOrConst = (languageVersion <= 1) ? "var " : "const "; - if (modulekind !== 2) { - emitLeadingComments(node); - emitStart(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - if (!isExportedImport) { - write(varOrConst); - } - ; - emitModuleMemberName(namespaceDeclaration); - write(" = "); - } - else { - var isNakedImport = 225 && !node.importClause; - if (!isNakedImport) { - write(varOrConst); - write(getGeneratedNameForNode(node)); - write(" = "); - } - } - emitRequire(ts.getExternalModuleName(node)); - if (namespaceDeclaration && isDefaultImport(node)) { - write(", "); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - else { - if (isExportedImport) { - emitModuleMemberName(namespaceDeclaration); - write(" = "); - emit(namespaceDeclaration.name); - write(";"); - } - else if (namespaceDeclaration && isDefaultImport(node)) { - write(varOrConst); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - write(";"); - } - emitExportImportAssignments(node); - } - } - } - function emitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - emitExternalImportDeclaration(node); - return; - } - if (resolver.isReferencedAliasDeclaration(node) || - (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { - emitLeadingComments(node); - emitStart(node); - var variableDeclarationIsHoisted = shouldHoistVariable(node, true); - var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, true); - if (!variableDeclarationIsHoisted) { - ts.Debug.assert(!isExported); - if (isES6ExportedDeclaration(node)) { - write("export "); - write("var "); - } - else if (!(node.flags & 2)) { - write("var "); - } - } - if (isExported) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.name); - write("\", "); - } - emitModuleMemberName(node); - write(" = "); - emit(node.moduleReference); - if (isExported) { - write(")"); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - } - function emitExportDeclaration(node) { - ts.Debug.assert(modulekind !== 4); - if (modulekind !== 5) { - if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { - emitStart(node); - var generatedName = getGeneratedNameForNode(node); - if (node.exportClause) { - if (modulekind !== 2) { - write("var "); - write(generatedName); - write(" = "); - emitRequire(ts.getExternalModuleName(node)); - write(";"); - } - for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { - var specifier = _b[_a]; - if (resolver.isValueAliasDeclaration(specifier)) { - writeLine(); - emitStart(specifier); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write(" = "); - write(generatedName); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); - write(";"); - emitEnd(specifier); - } - } - } - else { - if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - writeLine(); - write("__export("); - if (modulekind !== 2) { - emitRequire(ts.getExternalModuleName(node)); - } - else { - write(generatedName); - } - write(");"); - } - } - emitEnd(node); - } - } - else { - if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { - write("export "); - if (node.exportClause) { - write("{ "); - emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emit(node.moduleSpecifier); - } - write(";"); - } - } - } - function emitExportOrImportSpecifierList(specifiers, shouldEmit) { - ts.Debug.assert(modulekind === 5); - var needsComma = false; - for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { - var specifier = specifiers_1[_a]; - if (shouldEmit(specifier)) { - if (needsComma) { - write(", "); - } - if (specifier.propertyName) { - emit(specifier.propertyName); - write(" as "); - } - emit(specifier.name); - needsComma = true; - } - } - } - function emitExportAssignment(node) { - if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { - if (modulekind === 5) { - writeLine(); - emitStart(node); - write("export default "); - var expression = node.expression; - emit(expression); - if (expression.kind !== 216 && - expression.kind !== 217) { - write(";"); - } - emitEnd(node); - } - else { - writeLine(); - emitStart(node); - if (modulekind === 4) { - write(exportFunctionForFile + "(\"default\","); - emit(node.expression); - write(")"); - } - else { - emitEs6ExportDefaultCompat(node); - emitContainingModuleName(node); - if (languageVersion === 0) { - write("[\"default\"] = "); - } - else { - write(".default = "); - } - emit(node.expression); - } - write(";"); - emitEnd(node); - } - } - } - function collectExternalModuleInfo(sourceFile) { - externalImports = []; - exportSpecifiers = {}; - exportEquals = undefined; - hasExportStarsToExportValues = false; - for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { - var node = _b[_a]; - switch (node.kind) { - case 225: - if (!node.importClause || - resolver.isReferencedAliasDeclaration(node.importClause, true)) { - externalImports.push(node); - } - break; - case 224: - if (node.moduleReference.kind === 235 && resolver.isReferencedAliasDeclaration(node)) { - externalImports.push(node); - } - break; - case 231: - if (node.moduleSpecifier) { - if (!node.exportClause) { - if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - } - else if (resolver.isValueAliasDeclaration(node)) { - externalImports.push(node); - } - } - else { - for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { - var specifier = _d[_c]; - var name_28 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); - } - } - break; - case 230: - if (node.isExportEquals && !exportEquals) { - exportEquals = node; - } - break; - } - } - } - function emitExportStarHelper() { - if (hasExportStarsToExportValues) { - writeLine(); - write("function __export(m) {"); - increaseIndent(); - writeLine(); - write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function getLocalNameForExternalImport(node) { - var namespaceDeclaration = getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); - } - if (node.kind === 225 && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 231 && node.moduleSpecifier) { - return getGeneratedNameForNode(node); - } - } - function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { - if (emitRelativePathAsModuleName) { - var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); - if (name_29) { - return "\"" + name_29 + "\""; - } - } - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9) { - return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); - } - return undefined; - } - function emitVariableDeclarationsForImports() { - if (externalImports.length === 0) { - return; - } - writeLine(); - var started = false; - for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { - var importNode = externalImports_1[_a]; - var skipNode = importNode.kind === 231 || - (importNode.kind === 225 && !importNode.importClause); - if (skipNode) { - continue; - } - if (!started) { - write("var "); - started = true; - } - else { - write(", "); - } - write(getLocalNameForExternalImport(importNode)); - } - if (started) { - write(";"); - } - } - function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { - if (!hasExportStarsToExportValues) { - return undefined; - } - if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { - var hasExportDeclarationWithExportClause = false; - for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { - var externalImport = externalImports_2[_a]; - if (externalImport.kind === 231 && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - return emitExportStarFunction(undefined); - } - } - var exportedNamesStorageRef = makeUniqueName("exportedNames"); - writeLine(); - write("var " + exportedNamesStorageRef + " = {"); - increaseIndent(); - var started = false; - if (exportedDeclarations) { - for (var i = 0; i < exportedDeclarations.length; i++) { - writeExportedName(exportedDeclarations[i]); - } - } - if (exportSpecifiers) { - for (var n in exportSpecifiers) { - for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { - var specifier = _c[_b]; - writeExportedName(specifier.name); - } - } - } - for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { - var externalImport = externalImports_3[_d]; - if (externalImport.kind !== 231) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - continue; - } - for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { - var element = _f[_e]; - writeExportedName(element.name || element.propertyName); - } - } - decreaseIndent(); - writeLine(); - write("};"); - return emitExportStarFunction(exportedNamesStorageRef); - function emitExportStarFunction(localNames) { - var exportStarFunction = makeUniqueName("exportStar"); - writeLine(); - write("function " + exportStarFunction + "(m) {"); - increaseIndent(); - writeLine(); - write("var exports = {};"); - writeLine(); - write("for(var n in m) {"); - increaseIndent(); - writeLine(); - write("if (n !== \"default\""); - if (localNames) { - write("&& !" + localNames + ".hasOwnProperty(n)"); - } - write(") exports[n] = m[n];"); - decreaseIndent(); - writeLine(); - write("}"); - writeLine(); - write(exportFunctionForFile + "(exports);"); - decreaseIndent(); - writeLine(); - write("}"); - return exportStarFunction; - } - function writeExportedName(node) { - if (node.kind !== 69 && node.flags & 512) { - return; - } - if (started) { - write(","); - } - else { - started = true; - } - writeLine(); - write("'"); - if (node.kind === 69) { - emitNodeWithCommentsAndWithoutSourcemap(node); - } - else { - emitDeclarationName(node); - } - write("': true"); - } - } - function processTopLevelVariableAndFunctionDeclarations(node) { - var hoistedVars; - var hoistedFunctionDeclarations; - var exportedDeclarations; - visit(node); - if (hoistedVars) { - writeLine(); - write("var "); - var seen = {}; - for (var i = 0; i < hoistedVars.length; i++) { - var local = hoistedVars[i]; - var name_30 = local.kind === 69 - ? local - : local.name; - if (name_30) { - var text = ts.unescapeIdentifier(name_30.text); - if (ts.hasProperty(seen, text)) { - continue; - } - else { - seen[text] = text; - } - } - if (i !== 0) { - write(", "); - } - if (local.kind === 217 || local.kind === 221 || local.kind === 220) { - emitDeclarationName(local); - } - else { - emit(local); - } - var flags = ts.getCombinedNodeFlags(local.kind === 69 ? local.parent : local); - if (flags & 2) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(local); - } - } - write(";"); - } - if (hoistedFunctionDeclarations) { - for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { - var f = hoistedFunctionDeclarations_1[_a]; - writeLine(); - emit(f); - if (f.flags & 2) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(f); - } - } - } - return exportedDeclarations; - function visit(node) { - if (node.flags & 4) { - return; - } - if (node.kind === 216) { - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = []; - } - hoistedFunctionDeclarations.push(node); - return; - } - if (node.kind === 217) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - return; - } - if (node.kind === 220) { - if (shouldEmitEnumDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 221) { - if (shouldEmitModuleDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 214 || node.kind === 166) { - if (shouldHoistVariable(node, false)) { - var name_31 = node.name; - if (name_31.kind === 69) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(name_31); - } - else { - ts.forEachChild(name_31, visit); - } - } - return; - } - if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node.name); - return; - } - if (ts.isBindingPattern(node)) { - ts.forEach(node.elements, visit); - return; - } - if (!ts.isDeclaration(node)) { - ts.forEachChild(node, visit); - } - } - } - function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { - if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { - return false; - } - return (ts.getCombinedNodeFlags(node) & 24576) === 0 || - ts.getEnclosingBlockScopeContainer(node).kind === 251; - } - function isCurrentFileSystemExternalModule() { - return modulekind === 4 && isCurrentFileExternalModule; - } - function emitSystemModuleBody(node, dependencyGroups, startIndex) { - emitVariableDeclarationsForImports(); - writeLine(); - var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); - var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); - writeLine(); - write("return {"); - increaseIndent(); - writeLine(); - emitSetters(exportStarFunction, dependencyGroups); - writeLine(); - emitExecute(node, startIndex); - decreaseIndent(); - writeLine(); - write("}"); - emitTempDeclarations(true); - } - function emitSetters(exportStarFunction, dependencyGroups) { - write("setters:["); - for (var i = 0; i < dependencyGroups.length; i++) { - if (i !== 0) { - write(","); - } - writeLine(); - increaseIndent(); - var group = dependencyGroups[i]; - var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); - write("function (" + parameterName + ") {"); - increaseIndent(); - for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { - var entry = group_1[_a]; - var importVariableName = getLocalNameForExternalImport(entry) || ""; - switch (entry.kind) { - case 225: - if (!entry.importClause) { - break; - } - case 224: - ts.Debug.assert(importVariableName !== ""); - writeLine(); - write(importVariableName + " = " + parameterName + ";"); - writeLine(); - break; - case 231: - ts.Debug.assert(importVariableName !== ""); - if (entry.exportClause) { - writeLine(); - write(exportFunctionForFile + "({"); - writeLine(); - increaseIndent(); - for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { - if (i_1 !== 0) { - write(","); - writeLine(); - } - var e = entry.exportClause.elements[i_1]; - write("\""); - emitNodeWithCommentsAndWithoutSourcemap(e.name); - write("\": " + parameterName + "[\""); - emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); - write("\"]"); - } - decreaseIndent(); - writeLine(); - write("});"); - } - else { - writeLine(); - write(exportStarFunction + "(" + parameterName + ");"); - } - writeLine(); - break; - } - } - decreaseIndent(); - write("}"); - decreaseIndent(); - } - write("],"); - } - function emitExecute(node, startIndex) { - write("execute: function() {"); - increaseIndent(); - writeLine(); - for (var i = startIndex; i < node.statements.length; i++) { - var statement = node.statements[i]; - switch (statement.kind) { - case 216: - case 225: - continue; - case 231: - if (!statement.moduleSpecifier) { - for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { - var element = _b[_a]; - emitExportSpecifierInSystemModule(element); - } - } - continue; - case 224: - if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { - continue; - } - default: - writeLine(); - emit(statement); - } - } - decreaseIndent(); - writeLine(); - write("}"); - } - function writeModuleName(node, emitRelativePathAsModuleName) { - var moduleName = node.moduleName; - if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { - write("\"" + moduleName + "\", "); - } - } - function emitSystemModule(node, emitRelativePathAsModuleName) { - collectExternalModuleInfo(node); - ts.Debug.assert(!exportFunctionForFile); - exportFunctionForFile = makeUniqueName("exports"); - contextObjectForFile = makeUniqueName("context"); - writeLine(); - write("System.register("); - writeModuleName(node, emitRelativePathAsModuleName); - write("["); - var groupIndices = {}; - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); - if (text === undefined) { - continue; - } - var key = text.substr(1, text.length - 2); - if (ts.hasProperty(groupIndices, key)) { - var groupIndex = groupIndices[key]; - dependencyGroups[groupIndex].push(externalImports[i]); - continue; - } - else { - groupIndices[key] = dependencyGroups.length; - dependencyGroups.push([externalImports[i]]); - } - if (i !== 0) { - write(", "); - } - write(text); - } - write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); - writeLine(); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - writeLine(); - write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); - writeLine(); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitSystemModuleBody(node, dependencyGroups, startIndex); - decreaseIndent(); - writeLine(); - write("});"); - } - function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - var aliasedModuleNames = []; - var unaliasedModuleNames = []; - var importAliasNames = []; - for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { - var amdDependency = _b[_a]; - if (amdDependency.name) { - aliasedModuleNames.push("\"" + amdDependency.path + "\""); - importAliasNames.push(amdDependency.name); - } - else { - unaliasedModuleNames.push("\"" + amdDependency.path + "\""); - } - } - for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { - var importNode = externalImports_4[_c]; - var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); - var importAliasName = getLocalNameForExternalImport(importNode); - if (includeNonAmdDependencies && importAliasName) { - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(importAliasName); - } - else { - unaliasedModuleNames.push(externalModuleName); - } - } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); - emitAMDDependencyList(dependencyNames); - write(", "); - emitAMDFactoryHeader(dependencyNames); - } - function emitAMDDependencyList(_a) { - var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; - write("[\"require\", \"exports\""); - if (aliasedModuleNames.length) { - write(", "); - write(aliasedModuleNames.join(", ")); - } - if (unaliasedModuleNames.length) { - write(", "); - write(unaliasedModuleNames.join(", ")); - } - write("]"); - } - function emitAMDFactoryHeader(_a) { - var importAliasNames = _a.importAliasNames; - write("function (require, exports"); - if (importAliasNames.length) { - write(", "); - write(importAliasNames.join(", ")); - } - write(") {"); - } - function emitAMDModule(node, emitRelativePathAsModuleName) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - writeLine(); - write("define("); - writeModuleName(node, emitRelativePathAsModuleName); - emitAMDDependencies(node, true, emitRelativePathAsModuleName); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitCommonJSModule(node) { - var startIndex = emitDirectivePrologues(node.statements, false, !compilerOptions.noImplicitUseStrict); - emitEmitHelpers(node); - collectExternalModuleInfo(node); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(false); - } - function emitUMDModule(node) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - var dependencyNames = getAMDDependencyNames(node, false); - writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); - emitAMDDependencyList(dependencyNames); - write(", factory);"); - writeLines(" }\n})("); - emitAMDFactoryHeader(dependencyNames); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - emitExportEquals(true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitES6Module(node) { - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - var startIndex = emitDirectivePrologues(node.statements, false); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - } - function emitExportEquals(emitAsReturn) { - if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { - writeLine(); - emitStart(exportEquals); - write(emitAsReturn ? "return " : "module.exports = "); - emit(exportEquals.expression); - write(";"); - emitEnd(exportEquals); - } - } - function emitJsxElement(node) { - switch (compilerOptions.jsx) { - case 2: - jsxEmitReact(node); - break; - case 1: - default: - jsxEmitPreserve(node); - break; - } - } - function trimReactWhitespaceAndApplyEntities(node) { - var result = undefined; - var text = ts.getTextOfNode(node, true); - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - if (result) { - result = result.replace(/&(\w+);/g, function (s, m) { - if (entities[m] !== undefined) { - var ch = String.fromCharCode(entities[m]); - return ch === "\"" ? "\\\"" : ch; - } - else { - return s; - } - }); - } - return result; - } - function getTextToEmit(node) { - switch (compilerOptions.jsx) { - case 2: - var text = trimReactWhitespaceAndApplyEntities(node); - if (text === undefined || text.length === 0) { - return undefined; - } - else { - return text; - } - case 1: - default: - return ts.getTextOfNode(node, true); - } - } - function emitJsxText(node) { - switch (compilerOptions.jsx) { - case 2: - write("\""); - write(trimReactWhitespaceAndApplyEntities(node)); - write("\""); - break; - case 1: - default: - writer.writeLiteral(ts.getTextOfNode(node, true)); - break; - } - } - function emitJsxExpression(node) { - if (node.expression) { - switch (compilerOptions.jsx) { - case 1: - default: - write("{"); - emit(node.expression); - write("}"); - break; - case 2: - emit(node.expression); - break; - } - } - } - function isUseStrictPrologue(node) { - return !!node.expression.text.match(/use strict/); - } - function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { - if (writeUseStrict) { - if (startWithNewLine) { - writeLine(); - } - write("\"use strict\";"); - } - } - function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { - var foundUseStrict = false; - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (isUseStrictPrologue(statements[i])) { - foundUseStrict = true; - } - if (startWithNewLine || i > 0) { - writeLine(); - } - emit(statements[i]); - } - else { - ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); - return i; - } - } - ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); - return statements.length; - } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - writeLine(); - write(line); - } - } - } - function emitEmitHelpers(node) { - if (!compilerOptions.noEmitHelpers) { - if ((languageVersion < 2) && (!extendsEmitted && node.flags & 4194304)) { - writeLines(extendsHelper); - extendsEmitted = true; - } - if (!decorateEmitted && node.flags & 8388608) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); - } - decorateEmitted = true; - } - if (!paramEmitted && node.flags & 16777216) { - writeLines(paramHelper); - paramEmitted = true; - } - if (!awaiterEmitted && node.flags & 33554432) { - writeLines(awaiterHelper); - awaiterEmitted = true; - } - } - } - function emitSourceFileNode(node) { - writeLine(); - emitShebang(); - emitDetachedCommentsAndUpdateCommentsInfo(node); - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { - var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1]; - emitModule(node); - } - else { - bundleEmitDelegates[modulekind](node, true); - } - } - else { - var startIndex = emitDirectivePrologues(node.statements, false); - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(true); - } - emitLeadingComments(node.endOfFileToken); - } - function emit(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); - } - function emitNodeWithCommentsAndWithoutSourcemap(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); - } - function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { - if (node) { - if (node.flags & 4) { - return emitCommentsOnNotEmittedNode(node); - } - if (isSpecializedCommentHandling(node)) { - return emitNodeWithoutSourceMap(node); - } - var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); - if (emitComments_1) { - emitLeadingComments(node); - } - emitNodeConsideringSourcemap(node); - if (emitComments_1) { - emitTrailingComments(node); - } - } - } - function emitNodeWithSourceMap(node) { - if (node) { - emitStart(node); - emitNodeWithoutSourceMap(node); - emitEnd(node); - } - } - function emitNodeWithoutSourceMap(node) { - if (node) { - emitJavaScriptWorker(node); - } - } - function changeSourceMapEmit(writer) { - sourceMap = writer; - emitStart = writer.emitStart; - emitEnd = writer.emitEnd; - emitPos = writer.emitPos; - setSourceFile = writer.setSourceFile; - } - function withTemporaryNoSourceMap(callback) { - var prevSourceMap = sourceMap; - setSourceMapWriterEmit(ts.getNullSourceMapWriter()); - callback(); - setSourceMapWriterEmit(prevSourceMap); - } - function isSpecializedCommentHandling(node) { - switch (node.kind) { - case 218: - case 216: - case 225: - case 224: - case 219: - case 230: - return true; - } - } - function shouldEmitLeadingAndTrailingComments(node) { - switch (node.kind) { - case 196: - return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); - case 221: - return shouldEmitModuleDeclaration(node); - case 220: - return shouldEmitEnumDeclaration(node); - } - ts.Debug.assert(!isSpecializedCommentHandling(node)); - if (node.kind !== 195 && - node.parent && - node.parent.kind === 177 && - node.parent.body === node && - compilerOptions.target <= 1) { - return false; - } - return true; - } - function emitJavaScriptWorker(node) { - switch (node.kind) { - case 69: - return emitIdentifier(node); - case 139: - return emitParameter(node); - case 144: - case 143: - return emitMethod(node); - case 146: - case 147: - return emitAccessor(node); - case 97: - return emitThis(node); - case 95: - return emitSuper(node); - case 93: - return write("null"); - case 99: - return write("true"); - case 84: - return write("false"); - case 8: - case 9: - case 10: - case 11: - case 12: - case 13: - case 14: - return emitLiteral(node); - case 186: - return emitTemplateExpression(node); - case 193: - return emitTemplateSpan(node); - case 236: - case 237: - return emitJsxElement(node); - case 239: - return emitJsxText(node); - case 243: - return emitJsxExpression(node); - case 136: - return emitQualifiedName(node); - case 164: - return emitObjectBindingPattern(node); - case 165: - return emitArrayBindingPattern(node); - case 166: - return emitBindingElement(node); - case 167: - return emitArrayLiteral(node); - case 168: - return emitObjectLiteral(node); - case 248: - return emitPropertyAssignment(node); - case 249: - return emitShorthandPropertyAssignment(node); - case 137: - return emitComputedPropertyName(node); - case 169: - return emitPropertyAccess(node); - case 170: - return emitIndexedAccess(node); - case 171: - return emitCallExpression(node); - case 172: - return emitNewExpression(node); - case 173: - return emitTaggedTemplateExpression(node); - case 174: - return emit(node.expression); - case 192: - return emit(node.expression); - case 175: - return emitParenExpression(node); - case 216: - case 176: - case 177: - return emitFunctionDeclaration(node); - case 178: - return emitDeleteExpression(node); - case 179: - return emitTypeOfExpression(node); - case 180: - return emitVoidExpression(node); - case 181: - return emitAwaitExpression(node); - case 182: - return emitPrefixUnaryExpression(node); - case 183: - return emitPostfixUnaryExpression(node); - case 184: - return emitBinaryExpression(node); - case 185: - return emitConditionalExpression(node); - case 188: - return emitSpreadElementExpression(node); - case 187: - return emitYieldExpression(node); - case 190: - return; - case 195: - case 222: - return emitBlock(node); - case 196: - return emitVariableStatement(node); - case 197: - return write(";"); - case 198: - return emitExpressionStatement(node); - case 199: - return emitIfStatement(node); - case 200: - return emitDoStatement(node); - case 201: - return emitWhileStatement(node); - case 202: - return emitForStatement(node); - case 204: - case 203: - return emitForInOrForOfStatement(node); - case 205: - case 206: - return emitBreakOrContinueStatement(node); - case 207: - return emitReturnStatement(node); - case 208: - return emitWithStatement(node); - case 209: - return emitSwitchStatement(node); - case 244: - case 245: - return emitCaseOrDefaultClause(node); - case 210: - return emitLabeledStatement(node); - case 211: - return emitThrowStatement(node); - case 212: - return emitTryStatement(node); - case 247: - return emitCatchClause(node); - case 213: - return emitDebuggerStatement(node); - case 214: - return emitVariableDeclaration(node); - case 189: - return emitClassExpression(node); - case 217: - return emitClassDeclaration(node); - case 218: - return emitInterfaceDeclaration(node); - case 220: - return emitEnumDeclaration(node); - case 250: - return emitEnumMember(node); - case 221: - return emitModuleDeclaration(node); - case 225: - return emitImportDeclaration(node); - case 224: - return emitImportEqualsDeclaration(node); - case 231: - return emitExportDeclaration(node); - case 230: - return emitExportAssignment(node); - case 251: - return emitSourceFileNode(node); - } - } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; - } - function getLeadingCommentsWithoutDetachedComments() { - var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); - } - else { - detachedCommentsInfo = undefined; - } - return leadingComments; - } - function isTripleSlashComment(comment) { - if (currentText.charCodeAt(comment.pos + 1) === 47 && - comment.pos + 2 < comment.end && - currentText.charCodeAt(comment.pos + 2) === 47) { - var textSubStr = currentText.substring(comment.pos, comment.end); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; - } - return false; - } - function getLeadingCommentsToEmit(node) { - if (node.parent) { - if (node.parent.kind === 251 || node.pos !== node.parent.pos) { - if (hasDetachedComments(node.pos)) { - return getLeadingCommentsWithoutDetachedComments(); - } - else { - return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); - } - } - } - } - function getTrailingCommentsToEmit(node) { - if (node.parent) { - if (node.parent.kind === 251 || node.end !== node.parent.end) { - return ts.getTrailingCommentRanges(currentText, node.end); - } - } - } - function emitCommentsOnNotEmittedNode(node) { - emitLeadingCommentsWorker(node, false); - } - function emitLeadingComments(node) { - return emitLeadingCommentsWorker(node, true); - } - function emitLeadingCommentsWorker(node, isEmittedNode) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (isEmittedNode) { - leadingComments = getLeadingCommentsToEmit(node); - } - else { - if (node.pos === 0) { - leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); - } - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); - ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); - } - function emitTrailingComments(node) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = getTrailingCommentsToEmit(node); - ts.emitComments(currentText, currentLineMap, writer, trailingComments, false, newLine, writeComment); - } - function emitTrailingCommentsOfPosition(pos) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = ts.getTrailingCommentRanges(currentText, pos); - ts.emitComments(currentText, currentLineMap, writer, trailingComments, true, newLine, writeComment); - } - function emitLeadingCommentsOfPositionWorker(pos) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (hasDetachedComments(pos)) { - leadingComments = getLeadingCommentsWithoutDetachedComments(); - } - else { - leadingComments = ts.getLeadingCommentRanges(currentText, pos); - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); - ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); - } - function emitDetachedCommentsAndUpdateCommentsInfo(node) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } - } - } - function writeComment(text, lineMap, writer, comment, newLine) { - emitPos(comment.pos); - ts.writeCommentRange(text, lineMap, writer, comment, newLine); - emitPos(comment.end); - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); - writeLine(); - } - } - var _a, _b; - } - function emitFile(_a, sourceFiles, isBundledEmit) { - var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - } - else { - emitSkipped = true; - } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; - } - } - } - ts.emitFiles = emitFiles; -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.programTime = 0; - ts.emitTime = 0; - ts.ioReadTime = 0; - ts.ioWriteTime = 0; - var emptyArray = []; - ts.version = "1.8.2"; - function findConfigFile(searchPath, fileExists) { - var fileName = "tsconfig.json"; - while (true) { - if (fileExists(fileName)) { - return fileName; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - fileName = "../" + fileName; - } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var moduleResolution = compilerOptions.moduleResolution !== undefined - ? compilerOptions.moduleResolution - : ts.getEmitModuleKind(compilerOptions) === 1 ? 2 : 1; - switch (moduleResolution) { - case 2: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - case 1: return classicNameResolver(moduleName, containingFile, compilerOptions, host); - } - } - ts.resolveModuleName = resolveModuleName; - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { - var failedLookupLocations = []; - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, false, host); - if (resolvedFileName) { - return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; - } - resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, false, host); - return resolvedFileName - ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - else { - return loadModuleFromNodeModules(moduleName, containingDirectory, host); - } - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - function directoryProbablyExists(directoryName, host) { - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - return ts.forEach(extensions, tryLoad); - function tryLoad(ext) { - var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; - if (!onlyRecordFailures && host.fileExists(fileName)) { - return fileName; - } - else { - failedLookupLocation.push(fileName); - return undefined; - } - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - var packageJsonPath = ts.combinePaths(candidate, "package.json"); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); - if (directoryExists && host.fileExists(packageJsonPath)) { - var jsonContent = void 0; - try { - var jsonText = host.readFile(packageJsonPath); - jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; - } - catch (e) { - jsonContent = { typings: undefined }; - } - if (typeof jsonContent.typings === "string") { - var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); - var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); - if (result) { - return result; - } - } - } - else { - failedLookupLocation.push(packageJsonPath); - } - return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); - } - function loadModuleFromNodeModules(moduleName, directory, host) { - var failedLookupLocations = []; - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory) { - break; - } - directory = parentPath; - } - return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - function nameStartsWithDotSlashOrDotDotSlash(name) { - var i = name.lastIndexOf("./", 1); - return i === 0 || (i === 1 && name.charCodeAt(0) === 46); - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - if (moduleName.indexOf("!") != -1) { - return { resolvedModule: undefined, failedLookupLocations: [] }; - } - var searchPath = ts.getDirectoryPath(containingFile); - var searchName; - var failedLookupLocations = []; - var referencedSourceFile; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - while (true) { - searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); - referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { - if (extension === ".tsx" && !compilerOptions.jsx) { - return undefined; - } - var candidate = searchName + extension; - if (host.fileExists(candidate)) { - return candidate; - } - else { - failedLookupLocations.push(candidate); - } - }); - if (referencedSourceFile) { - break; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - ts.defaultInitCompilerOptions = { - module: 1, - target: 1, - noImplicitAny: false, - sourceMap: false - }; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = {}; - function getCanonicalFileName(fileName) { - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - } - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - var start = new Date().getTime(); - text = ts.sys.readFile(fileName, options.charset); - ts.ioReadTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; - } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; - } - function directoryExists(directoryPath) { - if (ts.hasProperty(existingDirectories, directoryPath)) { - return true; - } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; - } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); - } - } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - var start = new Date().getTime(); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - ts.sys.writeFile(fileName, data, writeByteOrderMark); - ts.ioWriteTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.message); - } - } - } - var newLine = ts.getNewLineCharacter(options); - return { - getSourceFile: getSourceFile, - getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; - } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var programDiagnostics = ts.createDiagnosticCollection(); - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var skipDefaultLib = options.noLib; - var supportedExtensions = ts.getSupportedExtensions(options); - var start = new Date().getTime(); - host = host || createCompilerHost(options); - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var currentDirectory = host.getCurrentDirectory(); - var resolveModuleNamesWorker = host.resolveModuleNames - ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) - : (function (moduleNames, containingFile) { - var resolvedModuleNames = []; - var lookup = {}; - for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { - var moduleName = moduleNames_1[_i]; - var resolvedName = void 0; - if (ts.hasProperty(lookup, moduleName)) { - resolvedName = lookup[moduleName]; - } - else { - resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; - lookup[moduleName] = resolvedName; - } - resolvedModuleNames.push(resolvedName); - } - return resolvedModuleNames; - }); - var filesByName = ts.createFileMap(); - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (oldProgram) { - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs)) { - oldProgram = undefined; - } - } - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); - if (!skipDefaultLib) { - processRootFile(host.getDefaultLibFileName(options), true); - } - } - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } - }; - verifyCompilerOptions(); - ts.programTime += new Date().getTime() - start; - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); - } - else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - commonSourceDirectory += ts.directorySeparator; - } - } - return commonSourceDirectory; - } - function getClassifiableNames() { - if (!classifiableNames) { - getTypeChecker(); - classifiableNames = {}; - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var sourceFile = files_3[_i]; - ts.copyMap(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; - } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - return false; - } - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - return false; - } - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var newResolution = resolutions[i]; - var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); - var resolutionChanged = oldResolution - ? !newResolution || - oldResolution.resolvedFileName !== newResolution.resolvedFileName || - !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport - : newResolution; - if (resolutionChanged) { - return false; - } - } - } - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - modifiedSourceFiles.push(newSourceFile); - } - else { - newSourceFile = oldSourceFile; - } - newSourceFiles.push(newSourceFile); - } - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); - } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); - } - oldProgram.structureIsReused = true; - return true; - } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFiles: program.getSourceFiles, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), - isEmitBlocked: isEmitBlocked - }; - } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); - } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); - } - function emit(sourceFile, writeFileCallback, cancellationToken) { - var _this = this; - return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); - } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); - } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { - if (options.noEmitOnError) { - var preEmitDiagnostics = getPreEmitDiagnostics(program, undefined, cancellationToken); - if (preEmitDiagnostics.length > 0) { - return { diagnostics: preEmitDiagnostics, sourceMaps: undefined, emitSkipped: true }; - } - } - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - var start = new Date().getTime(); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); - ts.emitTime += new Date().getTime() - start; - return emitResult; - } - function getSourceFile(fileName) { - return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); - } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); - } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); - } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); - } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); - } - function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { - return sourceFile.parseDiagnostics; - } - function runWithCancellationToken(func) { - try { - return func(); - } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; - } - } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); - }); - } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 224: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 230: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 217: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 246: - var heritageClause = node; - if (heritageClause.token === 106) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 218: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 221: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 219: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 144: - case 143: - case 145: - case 146: - case 147: - case 176: - case 216: - case 177: - case 216: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 196: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 214: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 171: - case 172: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start_2 = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 139: - var parameter = node; - if (parameter.modifiers) { - var start_3 = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 142: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 220: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 174: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 140: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start_4 = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 112: - case 110: - case 111: - case 122: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - case 113: - case 82: - case 74: - case 77: - case 115: - } - } - } - return false; - } - }); - } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - if (!ts.isDeclarationFile(sourceFile)) { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - var writeFile_1 = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); - } - }); - } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; - } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); - } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; - } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; - } - function getTextOfLiteral(literal) { - return literal.text; - } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 225: - case 224: - case 231: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9) { - break; - } - if (!moduleNameExpr.text) { - break; - } - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 221: - if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 || ts.isDeclarationFile(file))) { - var moduleName = node.name; - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, true); - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } - } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } - } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - } - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - return file_1; - } - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - file.path = path; - if (host.useCaseSensitiveFileNames()) { - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - var basePath = ts.getDirectoryPath(fileName); - if (!options.noResolve) { - processReferencedFiles(file, basePath); - } - processImportedModules(file, basePath); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; - } - function processReferencedFiles(file, basePath) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, false, file, ref.pos, ref.end); - }); - } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); - } - function processImportedModules(file, basePath) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = {}; - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - var shouldAddFile = resolution && - !options.noResolve && - i < file.imports.length; - if (shouldAddFile) { - var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - if (importedFile && resolution.isExternalLibraryImport) { - if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { - var start_5 = ts.getTokenPosOfNode(file.imports[i], file); - fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); - } - else if (importedFile.referencedFiles.length) { - var firstRef = importedFile.referencedFiles[0]; - fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); - } - } - } - } - } - else { - file.resolvedModules = undefined; - } - return; - } - function computeCommonSourceDirectory(sourceFiles) { - var commonPathComponents; - var failed = ts.forEach(files, function (sourceFile) { - if (ts.isDeclarationFile(sourceFile)) { - return; - } - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); - sourcePathComponents.pop(); - if (!commonPathComponents) { - commonPathComponents = sourcePathComponents; - return; - } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - return true; - } - commonPathComponents.length = i; - break; - } - } - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; - } - }); - if (failed) { - return ""; - } - if (!commonPathComponents) { - return currentDirectory; - } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } - } - } - return allFilesBelongToPath; - } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } - } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } - } - if (options.inlineSources) { - if (!options.sourceMap && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); - } - } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); - } - if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); - } - if (options.sourceRoot && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); - } - } - var languageVersion = options.target || 0; - var outFile = options.outFile || options.out; - var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === 0 && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); - } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); - } - } - else if (firstExternalModuleSourceFile && languageVersion < 2 && options.module === 0) { - var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); - } - if (options.module === 5 && languageVersion < 2) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); - } - if (outFile && options.module && !(options.module === 2 || options.module === 4)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - var dir = getCommonSourceDirectory(); - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); - } - } - if (options.noEmit) { - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); - } - if (options.outDir) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); - } - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); - } - } - else if (options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - if (emitFilesSeen.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } - } - } - } - function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); - } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -var ts; -(function (ts) { - var BreakpointResolver; - (function (BreakpointResolver) { - function spanInSourceFileAtLocation(sourceFile, position) { - if (sourceFile.flags & 4096) { - return undefined; - } - var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); - var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { - tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); - if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { - return undefined; - } - } - if (ts.isInAmbientContext(tokenAtLocation)) { - return undefined; - } - return spanInNode(tokenAtLocation); - function textSpan(startNode, endNode) { - var start = startNode.decorators ? - ts.skipTrivia(sourceFile.text, startNode.decorators.end) : - startNode.getStart(sourceFile); - return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); - } - function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { - return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); - } - function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { - if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { - return spanInNode(node); - } - return spanInNode(otherwiseOnNode); - } - function spanInNodeArray(nodeArray) { - return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); - } - function spanInPreviousNode(node) { - return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); - } - function spanInNextNode(node) { - return spanInNode(ts.findNextToken(node, node.parent)); - } - function spanInNode(node) { - if (node) { - switch (node.kind) { - case 196: - return spanInVariableDeclaration(node.declarationList.declarations[0]); - case 214: - case 142: - case 141: - return spanInVariableDeclaration(node); - case 139: - return spanInParameterDeclaration(node); - case 216: - case 144: - case 143: - case 146: - case 147: - case 145: - case 176: - case 177: - return spanInFunctionDeclaration(node); - case 195: - if (ts.isFunctionBlock(node)) { - return spanInFunctionBlock(node); - } - case 222: - return spanInBlock(node); - case 247: - return spanInBlock(node.block); - case 198: - return textSpan(node.expression); - case 207: - return textSpan(node.getChildAt(0), node.expression); - case 201: - return textSpanEndingAtNextToken(node, node.expression); - case 200: - return spanInNode(node.statement); - case 213: - return textSpan(node.getChildAt(0)); - case 199: - return textSpanEndingAtNextToken(node, node.expression); - case 210: - return spanInNode(node.statement); - case 206: - case 205: - return textSpan(node.getChildAt(0), node.label); - case 202: - return spanInForStatement(node); - case 203: - return textSpanEndingAtNextToken(node, node.expression); - case 204: - return spanInInitializerOfForLike(node); - case 209: - return textSpanEndingAtNextToken(node, node.expression); - case 244: - case 245: - return spanInNode(node.statements[0]); - case 212: - return spanInBlock(node.tryBlock); - case 211: - return textSpan(node, node.expression); - case 230: - return textSpan(node, node.expression); - case 224: - return textSpan(node, node.moduleReference); - case 225: - return textSpan(node, node.moduleSpecifier); - case 231: - return textSpan(node, node.moduleSpecifier); - case 221: - if (ts.getModuleInstanceState(node) !== 1) { - return undefined; - } - case 217: - case 220: - case 250: - case 166: - return textSpan(node); - case 208: - return spanInNode(node.statement); - case 140: - return spanInNodeArray(node.parent.decorators); - case 164: - case 165: - return spanInBindingPattern(node); - case 218: - case 219: - return undefined; - case 23: - case 1: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); - case 24: - return spanInPreviousNode(node); - case 15: - return spanInOpenBraceToken(node); - case 16: - return spanInCloseBraceToken(node); - case 20: - return spanInCloseBracketToken(node); - case 17: - return spanInOpenParenToken(node); - case 18: - return spanInCloseParenToken(node); - case 54: - return spanInColonToken(node); - case 27: - case 25: - return spanInGreaterThanOrLessThanToken(node); - case 104: - return spanInWhileKeyword(node); - case 80: - case 72: - case 85: - return spanInNextNode(node); - case 135: - return spanInOfKeyword(node); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); - } - if ((node.kind === 69 || - node.kind == 188 || - node.kind === 248 || - node.kind === 249) && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - return textSpan(node); - } - if (node.kind === 184) { - var binaryExpression = node; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); - } - if (binaryExpression.operatorToken.kind === 56 && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { - return textSpan(node); - } - if (binaryExpression.operatorToken.kind === 24) { - return spanInNode(binaryExpression.left); - } - } - if (ts.isExpression(node)) { - switch (node.parent.kind) { - case 200: - return spanInPreviousNode(node); - case 140: - return spanInNode(node.parent); - case 202: - case 204: - return textSpan(node); - case 184: - if (node.parent.operatorToken.kind === 24) { - return textSpan(node); - } - break; - case 177: - if (node.parent.body === node) { - return textSpan(node); - } - break; - } - } - if (node.parent.kind === 248 && - node.parent.name === node && - !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { - return spanInNode(node.parent.initializer); - } - if (node.parent.kind === 174 && node.parent.type === node) { - return spanInNextNode(node.parent.type); - } - if (ts.isFunctionLike(node.parent) && node.parent.type === node) { - return spanInPreviousNode(node); - } - if ((node.parent.kind === 214 || - node.parent.kind === 139)) { - var paramOrVarDecl = node.parent; - if (paramOrVarDecl.initializer === node || - paramOrVarDecl.type === node || - ts.isAssignmentOperator(node.kind)) { - return spanInPreviousNode(node); - } - } - if (node.parent.kind === 184) { - var binaryExpression = node.parent; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && - (binaryExpression.right === node || - binaryExpression.operatorToken === node)) { - return spanInPreviousNode(node); - } - } - return spanInNode(node.parent); - } - } - function textSpanFromVariableDeclaration(variableDeclaration) { - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] === variableDeclaration) { - return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); - } - else { - return textSpan(variableDeclaration); - } - } - function spanInVariableDeclaration(variableDeclaration) { - if (variableDeclaration.parent.parent.kind === 203) { - return spanInNode(variableDeclaration.parent.parent); - } - if (ts.isBindingPattern(variableDeclaration.name)) { - return spanInBindingPattern(variableDeclaration.name); - } - if (variableDeclaration.initializer || - (variableDeclaration.flags & 2) || - variableDeclaration.parent.parent.kind === 204) { - return textSpanFromVariableDeclaration(variableDeclaration); - } - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] !== variableDeclaration) { - return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); - } - } - function canHaveSpanInParameterDeclaration(parameter) { - return !!parameter.initializer || parameter.dotDotDotToken !== undefined || - !!(parameter.flags & 8) || !!(parameter.flags & 16); - } - function spanInParameterDeclaration(parameter) { - if (ts.isBindingPattern(parameter.name)) { - return spanInBindingPattern(parameter.name); - } - else if (canHaveSpanInParameterDeclaration(parameter)) { - return textSpan(parameter); - } - else { - var functionDeclaration = parameter.parent; - var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); - if (indexOfParameter) { - return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); - } - else { - return spanInNode(functionDeclaration.body); - } - } - } - function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { - return !!(functionDeclaration.flags & 2) || - (functionDeclaration.parent.kind === 217 && functionDeclaration.kind !== 145); - } - function spanInFunctionDeclaration(functionDeclaration) { - if (!functionDeclaration.body) { - return undefined; - } - if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { - return textSpan(functionDeclaration); - } - return spanInNode(functionDeclaration.body); - } - function spanInFunctionBlock(block) { - var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); - if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { - return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); - } - return spanInNode(nodeForSpanInBlock); - } - function spanInBlock(block) { - switch (block.parent.kind) { - case 221: - if (ts.getModuleInstanceState(block.parent) !== 1) { - return undefined; - } - case 201: - case 199: - case 203: - return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); - case 202: - case 204: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); - } - return spanInNode(block.statements[0]); - } - function spanInInitializerOfForLike(forLikeStaement) { - if (forLikeStaement.initializer.kind === 215) { - var variableDeclarationList = forLikeStaement.initializer; - if (variableDeclarationList.declarations.length > 0) { - return spanInNode(variableDeclarationList.declarations[0]); - } - } - else { - return spanInNode(forLikeStaement.initializer); - } - } - function spanInForStatement(forStatement) { - if (forStatement.initializer) { - return spanInInitializerOfForLike(forStatement); - } - if (forStatement.condition) { - return textSpan(forStatement.condition); - } - if (forStatement.incrementor) { - return textSpan(forStatement.incrementor); - } - } - function spanInBindingPattern(bindingPattern) { - var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - if (bindingPattern.parent.kind === 166) { - return textSpan(bindingPattern.parent); - } - return textSpanFromVariableDeclaration(bindingPattern.parent); - } - function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { - ts.Debug.assert(node.kind !== 165 && node.kind !== 164); - var elements = node.kind === 167 ? - node.elements : - node.properties; - var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - return textSpan(node.parent.kind === 184 ? node.parent : node); - } - function spanInOpenBraceToken(node) { - switch (node.parent.kind) { - case 220: - var enumDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); - case 217: - var classDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); - case 223: - return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); - } - return spanInNode(node.parent); - } - function spanInCloseBraceToken(node) { - switch (node.parent.kind) { - case 222: - if (ts.getModuleInstanceState(node.parent.parent) !== 1) { - return undefined; - } - case 220: - case 217: - return textSpan(node); - case 195: - if (ts.isFunctionBlock(node.parent)) { - return textSpan(node); - } - case 247: - return spanInNode(ts.lastOrUndefined(node.parent.statements)); - case 223: - var caseBlock = node.parent; - var lastClause = ts.lastOrUndefined(caseBlock.clauses); - if (lastClause) { - return spanInNode(ts.lastOrUndefined(lastClause.statements)); - } - return undefined; - case 164: - var bindingPattern = node.parent; - return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var objectLiteral = node.parent; - return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); - } - return spanInNode(node.parent); - } - } - function spanInCloseBracketToken(node) { - switch (node.parent.kind) { - case 165: - var bindingPattern = node.parent; - return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - var arrayLiteral = node.parent; - return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); - } - return spanInNode(node.parent); - } - } - function spanInOpenParenToken(node) { - if (node.parent.kind === 200 || - node.parent.kind === 171 || - node.parent.kind === 172) { - return spanInPreviousNode(node); - } - if (node.parent.kind === 175) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInCloseParenToken(node) { - switch (node.parent.kind) { - case 176: - case 216: - case 177: - case 144: - case 143: - case 146: - case 147: - case 145: - case 201: - case 200: - case 202: - case 204: - case 171: - case 172: - case 175: - return spanInPreviousNode(node); - default: - return spanInNode(node.parent); - } - } - function spanInColonToken(node) { - if (ts.isFunctionLike(node.parent) || - node.parent.kind === 248 || - node.parent.kind === 139) { - return spanInPreviousNode(node); - } - return spanInNode(node.parent); - } - function spanInGreaterThanOrLessThanToken(node) { - if (node.parent.kind === 174) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInWhileKeyword(node) { - if (node.parent.kind === 200) { - return textSpanEndingAtNextToken(node, node.parent.expression); - } - return spanInNode(node.parent); - } - function spanInOfKeyword(node) { - if (node.parent.kind === 204) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - } - } - BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; - })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var OutliningElementsCollector; - (function (OutliningElementsCollector) { - function collectElements(sourceFile) { - var elements = []; - var collapseText = "..."; - function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { - if (hintSpanNode && startElement && endElement) { - var span = { - textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), - hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningSpanComments(commentSpan, autoCollapse) { - if (commentSpan) { - var span = { - textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningForLeadingCommentsForNode(n) { - var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); - if (comments) { - var firstSingleLineCommentStart = -1; - var lastSingleLineCommentEnd = -1; - var isFirstSingleLineComment = true; - var singleLineCommentCount = 0; - for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { - var currentComment = comments_2[_i]; - if (currentComment.kind === 2) { - if (isFirstSingleLineComment) { - firstSingleLineCommentStart = currentComment.pos; - } - isFirstSingleLineComment = false; - lastSingleLineCommentEnd = currentComment.end; - singleLineCommentCount++; - } - else if (currentComment.kind === 3) { - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - addOutliningSpanComments(currentComment, false); - singleLineCommentCount = 0; - lastSingleLineCommentEnd = -1; - isFirstSingleLineComment = true; - } - } - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - } - } - function combineAndAddMultipleSingleLineComments(count, start, end) { - if (count > 1) { - var multipleSingleLineComments = { - pos: start, - end: end, - kind: 2 - }; - addOutliningSpanComments(multipleSingleLineComments, false); - } - } - function autoCollapse(node) { - return ts.isFunctionBlock(node) && node.parent.kind !== 177; - } - var depth = 0; - var maxDepth = 20; - function walk(n) { - if (depth > maxDepth) { - return; - } - if (ts.isDeclaration(n)) { - addOutliningForLeadingCommentsForNode(n); - } - switch (n.kind) { - case 195: - if (!ts.isFunctionBlock(n)) { - var parent_9 = n.parent; - var openBrace = ts.findChildOfKind(n, 15, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16, sourceFile); - if (parent_9.kind === 200 || - parent_9.kind === 203 || - parent_9.kind === 204 || - parent_9.kind === 202 || - parent_9.kind === 199 || - parent_9.kind === 201 || - parent_9.kind === 208 || - parent_9.kind === 247) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - if (parent_9.kind === 212) { - var tryStatement = parent_9; - if (tryStatement.tryBlock === n) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - else if (tryStatement.finallyBlock === n) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85, sourceFile); - if (finallyKeyword) { - addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); - break; - } - } - } - var span = ts.createTextSpanFromBounds(n.getStart(), n.end); - elements.push({ - textSpan: span, - hintSpan: span, - bannerText: collapseText, - autoCollapse: autoCollapse(n) - }); - break; - } - case 222: { - var openBrace = ts.findChildOfKind(n, 15, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16, sourceFile); - addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 217: - case 218: - case 220: - case 168: - case 223: { - var openBrace = ts.findChildOfKind(n, 15, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16, sourceFile); - addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 167: - var openBracket = ts.findChildOfKind(n, 19, sourceFile); - var closeBracket = ts.findChildOfKind(n, 20, sourceFile); - addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); - break; - } - depth++; - ts.forEachChild(n, walk); - depth--; - } - walk(sourceFile); - return elements; - } - OutliningElementsCollector.collectElements = collectElements; - })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigateTo; - (function (NavigateTo) { - function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { - var patternMatcher = ts.createPatternMatcher(searchValue); - var rawItems = []; - var baseSensitivity = { sensitivity: "base" }; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - cancellationToken.throwIfCancellationRequested(); - var nameToDeclarations = sourceFile.getNamedDeclarations(); - for (var name_32 in nameToDeclarations) { - var declarations = ts.getProperty(nameToDeclarations, name_32); - if (declarations) { - var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); - if (!matches) { - continue; - } - for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { - var declaration = declarations_6[_i]; - if (patternMatcher.patternContainsDots) { - var containers = getContainers(declaration); - if (!containers) { - return undefined; - } - matches = patternMatcher.getMatches(containers, name_32); - if (!matches) { - continue; - } - } - var fileName = sourceFile.fileName; - var matchKind = bestMatchKind(matches); - rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); - } - } - } - }); - rawItems.sort(compareNavigateToItems); - if (maxResultCount !== undefined) { - rawItems = rawItems.slice(0, maxResultCount); - } - var items = ts.map(rawItems, createNavigateToItem); - return items; - function allMatchesAreCaseSensitive(matches) { - ts.Debug.assert(matches.length > 0); - for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { - var match = matches_1[_i]; - if (!match.isCaseSensitive) { - return false; - } - } - return true; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 || - node.kind === 9 || - node.kind === 8) { - return node.text; - } - } - return undefined; - } - function tryAddSingleDeclarationName(declaration, containers) { - if (declaration && declaration.name) { - var text = getTextOfIdentifierOrLiteral(declaration.name); - if (text !== undefined) { - containers.unshift(text); - } - else if (declaration.name.kind === 137) { - return tryAddComputedPropertyName(declaration.name.expression, containers, true); - } - else { - return false; - } - } - return true; - } - function tryAddComputedPropertyName(expression, containers, includeLastPortion) { - var text = getTextOfIdentifierOrLiteral(expression); - if (text !== undefined) { - if (includeLastPortion) { - containers.unshift(text); - } - return true; - } - if (expression.kind === 169) { - var propertyAccess = expression; - if (includeLastPortion) { - containers.unshift(propertyAccess.name.text); - } - return tryAddComputedPropertyName(propertyAccess.expression, containers, true); - } - return false; - } - function getContainers(declaration) { - var containers = []; - if (declaration.name.kind === 137) { - if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { - return undefined; - } - } - declaration = ts.getContainerNode(declaration); - while (declaration) { - if (!tryAddSingleDeclarationName(declaration, containers)) { - return undefined; - } - declaration = ts.getContainerNode(declaration); - } - return containers; - } - function bestMatchKind(matches) { - ts.Debug.assert(matches.length > 0); - var bestMatchKind = ts.PatternMatchKind.camelCase; - for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { - var match = matches_2[_i]; - var kind = match.kind; - if (kind < bestMatchKind) { - bestMatchKind = kind; - } - } - return bestMatchKind; - } - function compareNavigateToItems(i1, i2) { - return i1.matchKind - i2.matchKind || - i1.name.localeCompare(i2.name, undefined, baseSensitivity) || - i1.name.localeCompare(i2.name); - } - function createNavigateToItem(rawItem) { - var declaration = rawItem.declaration; - var container = ts.getContainerNode(declaration); - return { - name: rawItem.name, - kind: ts.getNodeKind(declaration), - kindModifiers: ts.getNodeModifiers(declaration), - matchKind: ts.PatternMatchKind[rawItem.matchKind], - isCaseSensitive: rawItem.isCaseSensitive, - fileName: rawItem.fileName, - textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), - containerName: container && container.name ? container.name.text : "", - containerKind: container && container.name ? ts.getNodeKind(container) : "" - }; - } - } - NavigateTo.getNavigateToItems = getNavigateToItems; - })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var NavigationBar; - (function (NavigationBar) { - function getNavigationBarItems(sourceFile, compilerOptions) { - var hasGlobalNode = false; - return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); - function getIndent(node) { - var indent = hasGlobalNode ? 1 : 0; - var current = node.parent; - while (current) { - switch (current.kind) { - case 221: - do { - current = current.parent; - } while (current.kind === 221); - case 217: - case 220: - case 218: - case 216: - indent++; - } - current = current.parent; - } - return indent; - } - function getChildNodes(nodes) { - var childNodes = []; - function visit(node) { - switch (node.kind) { - case 196: - ts.forEach(node.declarationList.declarations, visit); - break; - case 164: - case 165: - ts.forEach(node.elements, visit); - break; - case 231: - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225: - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - childNodes.push(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227) { - childNodes.push(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - case 166: - case 214: - if (ts.isBindingPattern(node.name)) { - visit(node.name); - break; - } - case 217: - case 220: - case 218: - case 221: - case 216: - case 224: - case 229: - case 233: - childNodes.push(node); - break; - } - } - ts.forEach(nodes, visit); - return sortNodes(childNodes); - } - function getTopLevelNodes(node) { - var topLevelNodes = []; - topLevelNodes.push(node); - addTopLevelNodes(node.statements, topLevelNodes); - return topLevelNodes; - } - function sortNodes(nodes) { - return nodes.slice(0).sort(function (n1, n2) { - if (n1.name && n2.name) { - return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); - } - else if (n1.name) { - return 1; - } - else if (n2.name) { - return -1; - } - else { - return n1.kind - n2.kind; - } - }); - } - function addTopLevelNodes(nodes, topLevelNodes) { - nodes = sortNodes(nodes); - for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { - var node = nodes_4[_i]; - switch (node.kind) { - case 217: - case 220: - case 218: - topLevelNodes.push(node); - break; - case 221: - var moduleDeclaration = node; - topLevelNodes.push(node); - addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); - break; - case 216: - var functionDeclaration = node; - if (isTopLevelFunctionDeclaration(functionDeclaration)) { - topLevelNodes.push(node); - addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); - } - break; - } - } - } - function isTopLevelFunctionDeclaration(functionDeclaration) { - if (functionDeclaration.kind === 216) { - if (functionDeclaration.body && functionDeclaration.body.kind === 195) { - if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 && !isEmpty(s.name.text); })) { - return true; - } - if (!ts.isFunctionBlock(functionDeclaration.parent)) { - return true; - } - } - } - return false; - } - function getItemsWorker(nodes, createItem) { - var items = []; - var keyToItem = {}; - for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { - var child = nodes_5[_i]; - var item = createItem(child); - if (item !== undefined) { - if (item.text.length > 0) { - var key = item.text + "-" + item.kind + "-" + item.indent; - var itemWithSameName = keyToItem[key]; - if (itemWithSameName) { - merge(itemWithSameName, item); - } - else { - keyToItem[key] = item; - items.push(item); - } - } - } - } - return items; - } - function merge(target, source) { - ts.addRange(target.spans, source.spans); - if (source.childItems) { - if (!target.childItems) { - target.childItems = []; - } - outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { - var sourceChild = _a[_i]; - for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { - var targetChild = _c[_b]; - if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { - merge(targetChild, sourceChild); - continue outer; - } - } - target.childItems.push(sourceChild); - } - } - } - function createChildItem(node) { - switch (node.kind) { - case 139: - if (ts.isBindingPattern(node.name)) { - break; - } - if ((node.flags & 1022) === 0) { - return undefined; - } - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 144: - case 143: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); - case 146: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); - case 147: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); - case 150: - return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); - case 250: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 148: - return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); - case 149: - return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); - case 142: - case 141: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 216: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); - case 214: - case 166: - var variableDeclarationNode = void 0; - var name_33; - if (node.kind === 166) { - name_33 = node.name; - variableDeclarationNode = node; - while (variableDeclarationNode && variableDeclarationNode.kind !== 214) { - variableDeclarationNode = variableDeclarationNode.parent; - } - ts.Debug.assert(variableDeclarationNode !== undefined); - } - else { - ts.Debug.assert(!ts.isBindingPattern(node.name)); - variableDeclarationNode = node; - name_33 = node.name; - } - if (ts.isConst(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); - } - else if (ts.isLet(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); - } - else { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); - } - case 145: - return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); - case 233: - case 229: - case 224: - case 226: - case 227: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); - } - return undefined; - function createItem(node, name, scriptElementKind) { - return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); - } - } - function isEmpty(text) { - return !text || text.trim() === ""; - } - function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { - if (childItems === void 0) { childItems = []; } - if (indent === void 0) { indent = 0; } - if (isEmpty(text)) { - return undefined; - } - return { - text: text, - kind: kind, - kindModifiers: kindModifiers, - spans: spans, - childItems: childItems, - indent: indent, - bolded: false, - grayed: false - }; - } - function createTopLevelItem(node) { - switch (node.kind) { - case 251: - return createSourceFileItem(node); - case 217: - return createClassItem(node); - case 220: - return createEnumItem(node); - case 218: - return createIterfaceItem(node); - case 221: - return createModuleItem(node); - case 216: - return createFunctionItem(node); - } - return undefined; - function getModuleName(moduleDeclaration) { - if (ts.isAmbientModule(moduleDeclaration)) { - return getTextOfNode(moduleDeclaration.name); - } - var result = []; - result.push(moduleDeclaration.name.text); - while (moduleDeclaration.body && moduleDeclaration.body.kind === 221) { - moduleDeclaration = moduleDeclaration.body; - result.push(moduleDeclaration.name.text); - } - return result.join("."); - } - function createModuleItem(node) { - var moduleName = getModuleName(node); - var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); - return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createFunctionItem(node) { - if (node.body && node.body.kind === 195) { - var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); - return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - return undefined; - } - function createSourceFileItem(node) { - var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); - if (childItems === undefined || childItems.length === 0) { - return undefined; - } - hasGlobalNode = true; - var rootName = ts.isExternalModule(node) - ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" - : ""; - return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); - } - function createClassItem(node) { - var childItems; - if (node.members) { - var constructor = ts.forEach(node.members, function (member) { - return member.kind === 145 && member; - }); - var nodes = removeDynamicallyNamedProperties(node); - if (constructor) { - ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); - } - childItems = getItemsWorker(sortNodes(nodes), createChildItem); - } - var nodeName = !node.name ? "default" : node.name.text; - return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createEnumItem(node) { - var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createIterfaceItem(node) { - var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - } - function removeComputedProperties(node) { - return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137; }); - } - function removeDynamicallyNamedProperties(node) { - return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); - } - function getInnermostModule(node) { - while (node.body.kind === 221) { - node = node.body; - } - return node; - } - function getNodeSpan(node) { - return node.kind === 251 - ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) - : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); - } - function getTextOfNode(node) { - return ts.getTextOfNodeFromSourceText(sourceFile.text, node); - } - } - NavigationBar.getNavigationBarItems = getNavigationBarItems; - })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - (function (PatternMatchKind) { - PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; - PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; - PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; - PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; - })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); - var PatternMatchKind = ts.PatternMatchKind; - function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { - return { - kind: kind, - punctuationStripped: punctuationStripped, - isCaseSensitive: isCaseSensitive, - camelCaseWeight: camelCaseWeight - }; - } - function createPatternMatcher(pattern) { - var stringToWordSpans = {}; - pattern = pattern.trim(); - var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); - var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); - return { - getMatches: getMatches, - getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, - patternContainsDots: dotSeparatedSegments.length > 1 - }; - function skipMatch(candidate) { - return invalidPattern || !candidate; - } - function getMatchesForLastSegmentOfPattern(candidate) { - if (skipMatch(candidate)) { - return undefined; - } - return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - } - function getMatches(candidateContainers, candidate) { - if (skipMatch(candidate)) { - return undefined; - } - var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - if (!candidateMatch) { - return undefined; - } - candidateContainers = candidateContainers || []; - if (dotSeparatedSegments.length - 1 > candidateContainers.length) { - return undefined; - } - var totalMatch = candidateMatch; - for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { - var segment = dotSeparatedSegments[i]; - var containerName = candidateContainers[j]; - var containerMatch = matchSegment(containerName, segment); - if (!containerMatch) { - return undefined; - } - ts.addRange(totalMatch, containerMatch); - } - return totalMatch; - } - function getWordSpans(word) { - if (!ts.hasProperty(stringToWordSpans, word)) { - stringToWordSpans[word] = breakIntoWordSpans(word); - } - return stringToWordSpans[word]; - } - function matchTextChunk(candidate, chunk, punctuationStripped) { - var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); - if (index === 0) { - if (chunk.text.length === candidate.length) { - return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); - } - else { - return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, startsWith(candidate, chunk.text)); - } - } - var isLowercase = chunk.isLowerCase; - if (isLowercase) { - if (index > 0) { - var wordSpans = getWordSpans(candidate); - for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { - var span = wordSpans_1[_i]; - if (partStartsWith(candidate, span, chunk.text, true)) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span, chunk.text, false)); - } - } - } - } - else { - if (candidate.indexOf(chunk.text) > 0) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); - } - } - if (!isLowercase) { - if (chunk.characterSpans.length > 0) { - var candidateParts = getWordSpans(candidate); - var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); - } - camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); - } - } - } - if (isLowercase) { - if (chunk.text.length < candidate.length) { - if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); - } - } - } - return undefined; - } - function containsSpaceOrAsterisk(text) { - for (var i = 0; i < text.length; i++) { - var ch = text.charCodeAt(i); - if (ch === 32 || ch === 42) { - return true; - } - } - return false; - } - function matchSegment(candidate, segment) { - if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { - var match = matchTextChunk(candidate, segment.totalTextChunk, false); - if (match) { - return [match]; - } - } - var subWordTextChunks = segment.subWordTextChunks; - var matches = undefined; - for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { - var subWordTextChunk = subWordTextChunks_1[_i]; - var result = matchTextChunk(candidate, subWordTextChunk, true); - if (!result) { - return undefined; - } - matches = matches || []; - matches.push(result); - } - return matches; - } - function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { - var patternPartStart = patternSpan ? patternSpan.start : 0; - var patternPartLength = patternSpan ? patternSpan.length : pattern.length; - if (patternPartLength > candidateSpan.length) { - return false; - } - if (ignoreCase) { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (toLowerCase(ch1) !== toLowerCase(ch2)) { - return false; - } - } - } - else { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (ch1 !== ch2) { - return false; - } - } - } - return true; - } - function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { - var chunkCharacterSpans = chunk.characterSpans; - var currentCandidate = 0; - var currentChunkSpan = 0; - var firstMatch = undefined; - var contiguous = undefined; - while (true) { - if (currentChunkSpan === chunkCharacterSpans.length) { - var weight = 0; - if (contiguous) { - weight += 1; - } - if (firstMatch === 0) { - weight += 2; - } - return weight; - } - else if (currentCandidate === candidateParts.length) { - return undefined; - } - var candidatePart = candidateParts[currentCandidate]; - var gotOneMatchThisCandidate = false; - for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { - var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; - if (gotOneMatchThisCandidate) { - if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || - !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { - break; - } - } - if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { - break; - } - gotOneMatchThisCandidate = true; - firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; - contiguous = contiguous === undefined ? true : contiguous; - candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); - } - if (!gotOneMatchThisCandidate && contiguous !== undefined) { - contiguous = false; - } - currentCandidate++; - } - } - } - ts.createPatternMatcher = createPatternMatcher; - function createSegment(text) { - return { - totalTextChunk: createTextChunk(text), - subWordTextChunks: breakPatternIntoTextChunks(text) - }; - } - function segmentIsInvalid(segment) { - return segment.subWordTextChunks.length === 0; - } - function isUpperCaseLetter(ch) { - if (ch >= 65 && ch <= 90) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 2)) { - return false; - } - var str = String.fromCharCode(ch); - return str === str.toUpperCase(); - } - function isLowerCaseLetter(ch) { - if (ch >= 97 && ch <= 122) { - return true; - } - if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 2)) { - return false; - } - var str = String.fromCharCode(ch); - return str === str.toLowerCase(); - } - function startsWith(string, search) { - for (var i = 0, n = search.length; i < n; i++) { - if (string.charCodeAt(i) !== search.charCodeAt(i)) { - return false; - } - } - return true; - } - function indexOfIgnoringCase(string, value) { - for (var i = 0, n = string.length - value.length; i <= n; i++) { - if (startsWithIgnoringCase(string, value, i)) { - return i; - } - } - return -1; - } - function startsWithIgnoringCase(string, value, start) { - for (var i = 0, n = value.length; i < n; i++) { - var ch1 = toLowerCase(string.charCodeAt(i + start)); - var ch2 = value.charCodeAt(i); - if (ch1 !== ch2) { - return false; - } - } - return true; - } - function toLowerCase(ch) { - if (ch >= 65 && ch <= 90) { - return 97 + (ch - 65); - } - if (ch < 127) { - return ch; - } - return String.fromCharCode(ch).toLowerCase().charCodeAt(0); - } - function isDigit(ch) { - return ch >= 48 && ch <= 57; - } - function isWordChar(ch) { - return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; - } - function breakPatternIntoTextChunks(pattern) { - var result = []; - var wordStart = 0; - var wordLength = 0; - for (var i = 0; i < pattern.length; i++) { - var ch = pattern.charCodeAt(i); - if (isWordChar(ch)) { - if (wordLength === 0) { - wordStart = i; - } - wordLength++; - } - else { - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - wordLength = 0; - } - } - } - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - } - return result; - } - function createTextChunk(text) { - var textLowerCase = text.toLowerCase(); - return { - text: text, - textLowerCase: textLowerCase, - isLowerCase: text === textLowerCase, - characterSpans: breakIntoCharacterSpans(text) - }; - } - function breakIntoCharacterSpans(identifier) { - return breakIntoSpans(identifier, false); - } - ts.breakIntoCharacterSpans = breakIntoCharacterSpans; - function breakIntoWordSpans(identifier) { - return breakIntoSpans(identifier, true); - } - ts.breakIntoWordSpans = breakIntoWordSpans; - function breakIntoSpans(identifier, word) { - var result = []; - var wordStart = 0; - for (var i = 1, n = identifier.length; i < n; i++) { - var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); - var currentIsDigit = isDigit(identifier.charCodeAt(i)); - var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); - var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); - if (charIsPunctuation(identifier.charCodeAt(i - 1)) || - charIsPunctuation(identifier.charCodeAt(i)) || - lastIsDigit !== currentIsDigit || - hasTransitionFromLowerToUpper || - hasTransitionFromUpperToLower) { - if (!isAllPunctuation(identifier, wordStart, i)) { - result.push(ts.createTextSpan(wordStart, i - wordStart)); - } - wordStart = i; - } - } - if (!isAllPunctuation(identifier, wordStart, identifier.length)) { - result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); - } - return result; - } - function charIsPunctuation(ch) { - switch (ch) { - case 33: - case 34: - case 35: - case 37: - case 38: - case 39: - case 40: - case 41: - case 42: - case 44: - case 45: - case 46: - case 47: - case 58: - case 59: - case 63: - case 64: - case 91: - case 92: - case 93: - case 95: - case 123: - case 125: - return true; - } - return false; - } - function isAllPunctuation(identifier, start, end) { - for (var i = start; i < end; i++) { - var ch = identifier.charCodeAt(i); - if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { - return false; - } - } - return true; - } - function transitionFromUpperToLower(identifier, word, index, wordStart) { - if (word) { - if (index !== wordStart && - index + 1 < identifier.length) { - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); - if (currentIsUpper && nextIsLower) { - for (var i = wordStart; i < index; i++) { - if (!isUpperCaseLetter(identifier.charCodeAt(i))) { - return false; - } - } - return true; - } - } - } - return false; - } - function transitionFromLowerToUpper(identifier, word, index) { - var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var transition = word - ? (currentIsUpper && !lastIsUpper) - : currentIsUpper; - return transition; - } -})(ts || (ts = {})); -var ts; -(function (ts) { - var SignatureHelp; - (function (SignatureHelp) { - var emptyArray = []; - function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { - var typeChecker = program.getTypeChecker(); - var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); - if (!startingToken) { - return undefined; - } - var argumentInfo = getContainingArgumentInfo(startingToken); - cancellationToken.throwIfCancellationRequested(); - if (!argumentInfo) { - return undefined; - } - var call = argumentInfo.invocation; - var candidates = []; - var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); - cancellationToken.throwIfCancellationRequested(); - if (!candidates.length) { - if (ts.isSourceFileJavaScript(sourceFile)) { - return createJavaScriptSignatureHelpItems(argumentInfo); - } - return undefined; - } - return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo); - function createJavaScriptSignatureHelpItems(argumentInfo) { - if (argumentInfo.invocation.kind !== 171) { - return undefined; - } - var callExpression = argumentInfo.invocation; - var expression = callExpression.expression; - var name = expression.kind === 69 - ? expression - : expression.kind === 169 - ? expression.name - : undefined; - if (!name || !name.text) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { - var sourceFile_1 = _a[_i]; - var nameToDeclarations = sourceFile_1.getNamedDeclarations(); - var declarations = ts.getProperty(nameToDeclarations, name.text); - if (declarations) { - for (var _b = 0, declarations_7 = declarations; _b < declarations_7.length; _b++) { - var declaration = declarations_7[_b]; - var symbol = declaration.symbol; - if (symbol) { - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); - if (type) { - var callSignatures = type.getCallSignatures(); - if (callSignatures && callSignatures.length) { - return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo); - } - } - } - } - } - } - } - function getImmediatelyContainingArgumentInfo(node) { - if (node.parent.kind === 171 || node.parent.kind === 172) { - var callExpression = node.parent; - if (node.kind === 25 || - node.kind === 17) { - var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - ts.Debug.assert(list !== undefined); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: 0, - argumentCount: getArgumentCount(list) - }; - } - var listItemInfo = ts.findListItemInfo(node); - if (listItemInfo) { - var list = listItemInfo.list; - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - var argumentIndex = getArgumentIndex(list, node); - var argumentCount = getArgumentCount(list); - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: isTypeArgList ? 0 : 1, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - } - else if (node.kind === 11 && node.parent.kind === 173) { - if (ts.isInsideTemplateLiteral(node, position)) { - return getArgumentListInfoForTemplate(node.parent, 0); - } - } - else if (node.kind === 12 && node.parent.parent.kind === 173) { - var templateExpression = node.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186); - var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - else if (node.parent.kind === 193 && node.parent.parent.parent.kind === 173) { - var templateSpan = node.parent; - var templateExpression = templateSpan.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186); - if (node.kind === 14 && !ts.isInsideTemplateLiteral(node, position)) { - return undefined; - } - var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); - var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - return undefined; - } - function getArgumentIndex(argumentsList, node) { - var argumentIndex = 0; - var listChildren = argumentsList.getChildren(); - for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { - var child = listChildren_1[_i]; - if (child === node) { - break; - } - if (child.kind !== 24) { - argumentIndex++; - } - } - return argumentIndex; - } - function getArgumentCount(argumentsList) { - var listChildren = argumentsList.getChildren(); - var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24; }); - if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24) { - argumentCount++; - } - return argumentCount; - } - function getArgumentIndexForTemplatePiece(spanIndex, node) { - ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); - if (ts.isTemplateLiteralKind(node.kind)) { - if (ts.isInsideTemplateLiteral(node, position)) { - return 0; - } - return spanIndex + 2; - } - return spanIndex + 1; - } - function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { - var argumentCount = tagExpression.template.kind === 11 - ? 1 - : tagExpression.template.templateSpans.length + 1; - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: 2, - invocation: tagExpression, - argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - function getApplicableSpanForArguments(argumentsList) { - var applicableSpanStart = argumentsList.getFullStart(); - var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getApplicableSpanForTaggedTemplate(taggedTemplate) { - var template = taggedTemplate.template; - var applicableSpanStart = template.getStart(); - var applicableSpanEnd = template.getEnd(); - if (template.kind === 186) { - var lastSpan = ts.lastOrUndefined(template.templateSpans); - if (lastSpan.literal.getFullWidth() === 0) { - applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); - } - } - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getContainingArgumentInfo(node) { - for (var n = node; n.kind !== 251; n = n.parent) { - if (ts.isFunctionBlock(n)) { - return undefined; - } - if (n.pos < n.parent.pos || n.end > n.parent.end) { - ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); - } - var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); - if (argumentInfo_1) { - return argumentInfo_1; - } - } - return undefined; - } - function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { - var children = parent.getChildren(sourceFile); - var indexOfOpenerToken = children.indexOf(openerToken); - ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); - return children[indexOfOpenerToken + 1]; - } - function selectBestInvalidOverloadIndex(candidates, argumentCount) { - var maxParamsSignatureIndex = -1; - var maxParams = -1; - for (var i = 0; i < candidates.length; i++) { - var candidate = candidates[i]; - if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { - return i; - } - if (candidate.parameters.length > maxParams) { - maxParams = candidate.parameters.length; - maxParamsSignatureIndex = i; - } - } - return maxParamsSignatureIndex; - } - function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { - var applicableSpan = argumentListInfo.argumentsSpan; - var isTypeParameterList = argumentListInfo.kind === 0; - var invocation = argumentListInfo.invocation; - var callTarget = ts.getInvokedExpression(invocation); - var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); - var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); - var items = ts.map(candidates, function (candidateSignature) { - var signatureHelpParameters; - var prefixDisplayParts = []; - var suffixDisplayParts = []; - if (callTargetDisplayParts) { - ts.addRange(prefixDisplayParts, callTargetDisplayParts); - } - if (isTypeParameterList) { - prefixDisplayParts.push(ts.punctuationPart(25)); - var typeParameters = candidateSignature.typeParameters; - signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(27)); - var parameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); - }); - ts.addRange(suffixDisplayParts, parameterParts); - } - else { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); - }); - ts.addRange(prefixDisplayParts, typeParameterParts); - prefixDisplayParts.push(ts.punctuationPart(17)); - var parameters = candidateSignature.parameters; - signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(18)); - } - var returnTypeParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); - }); - ts.addRange(suffixDisplayParts, returnTypeParts); - return { - isVariadic: candidateSignature.hasRestParameter, - prefixDisplayParts: prefixDisplayParts, - suffixDisplayParts: suffixDisplayParts, - separatorDisplayParts: [ts.punctuationPart(24), ts.spacePart()], - parameters: signatureHelpParameters, - documentation: candidateSignature.getDocumentationComment() - }; - }); - var argumentIndex = argumentListInfo.argumentIndex; - var argumentCount = argumentListInfo.argumentCount; - var selectedItemIndex = candidates.indexOf(bestSignature); - if (selectedItemIndex < 0) { - selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); - } - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - items: items, - applicableSpan: applicableSpan, - selectedItemIndex: selectedItemIndex, - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - function createSignatureHelpParameterForParameter(parameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); - }); - return { - name: parameter.name, - documentation: parameter.getDocumentationComment(), - displayParts: displayParts, - isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) - }; - } - function createSignatureHelpParameterForTypeParameter(typeParameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); - }); - return { - name: typeParameter.symbol.name, - documentation: emptyArray, - displayParts: displayParts, - isOptional: false - }; - } - } - } - SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; - })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - function getEndLinePosition(line, sourceFile) { - ts.Debug.assert(line >= 0); - var lineStarts = sourceFile.getLineStarts(); - var lineIndex = line; - if (lineIndex + 1 === lineStarts.length) { - return sourceFile.text.length - 1; - } - else { - var start = lineStarts[lineIndex]; - var pos = lineStarts[lineIndex + 1] - 1; - ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); - while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos--; - } - return pos; - } - } - ts.getEndLinePosition = getEndLinePosition; - function getLineStartPositionForPosition(position, sourceFile) { - var lineStarts = sourceFile.getLineStarts(); - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - return lineStarts[line]; - } - ts.getLineStartPositionForPosition = getLineStartPositionForPosition; - function rangeContainsRange(r1, r2) { - return startEndContainsRange(r1.pos, r1.end, r2); - } - ts.rangeContainsRange = rangeContainsRange; - function startEndContainsRange(start, end, range) { - return start <= range.pos && end >= range.end; - } - ts.startEndContainsRange = startEndContainsRange; - function rangeContainsStartEnd(range, start, end) { - return range.pos <= start && range.end >= end; - } - ts.rangeContainsStartEnd = rangeContainsStartEnd; - function rangeOverlapsWithStartEnd(r1, start, end) { - return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); - } - ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; - function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { - var start = Math.max(start1, start2); - var end = Math.min(end1, end2); - return start < end; - } - ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; - function positionBelongsToNode(candidate, position, sourceFile) { - return candidate.end > position || !isCompletedNode(candidate, sourceFile); - } - ts.positionBelongsToNode = positionBelongsToNode; - function isCompletedNode(n, sourceFile) { - if (ts.nodeIsMissing(n)) { - return false; - } - switch (n.kind) { - case 217: - case 218: - case 220: - case 168: - case 164: - case 156: - case 195: - case 222: - case 223: - return nodeEndsWith(n, 16, sourceFile); - case 247: - return isCompletedNode(n.block, sourceFile); - case 172: - if (!n.arguments) { - return true; - } - case 171: - case 175: - case 161: - return nodeEndsWith(n, 18, sourceFile); - case 153: - case 154: - return isCompletedNode(n.type, sourceFile); - case 145: - case 146: - case 147: - case 216: - case 176: - case 144: - case 143: - case 149: - case 148: - case 177: - if (n.body) { - return isCompletedNode(n.body, sourceFile); - } - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - return hasChildOfKind(n, 18, sourceFile); - case 221: - return n.body && isCompletedNode(n.body, sourceFile); - case 199: - if (n.elseStatement) { - return isCompletedNode(n.elseStatement, sourceFile); - } - return isCompletedNode(n.thenStatement, sourceFile); - case 198: - return isCompletedNode(n.expression, sourceFile) || - hasChildOfKind(n, 23); - case 167: - case 165: - case 170: - case 137: - case 158: - return nodeEndsWith(n, 20, sourceFile); - case 150: - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - return hasChildOfKind(n, 20, sourceFile); - case 244: - case 245: - return false; - case 202: - case 203: - case 204: - case 201: - return isCompletedNode(n.statement, sourceFile); - case 200: - var hasWhileKeyword = findChildOfKind(n, 104, sourceFile); - if (hasWhileKeyword) { - return nodeEndsWith(n, 18, sourceFile); - } - return isCompletedNode(n.statement, sourceFile); - case 155: - return isCompletedNode(n.exprName, sourceFile); - case 179: - case 178: - case 180: - case 187: - case 188: - var unaryWordExpression = n; - return isCompletedNode(unaryWordExpression.expression, sourceFile); - case 173: - return isCompletedNode(n.template, sourceFile); - case 186: - var lastSpan = ts.lastOrUndefined(n.templateSpans); - return isCompletedNode(lastSpan, sourceFile); - case 193: - return ts.nodeIsPresent(n.literal); - case 182: - return isCompletedNode(n.operand, sourceFile); - case 184: - return isCompletedNode(n.right, sourceFile); - case 185: - return isCompletedNode(n.whenFalse, sourceFile); - default: - return true; - } - } - ts.isCompletedNode = isCompletedNode; - function nodeEndsWith(n, expectedLastToken, sourceFile) { - var children = n.getChildren(sourceFile); - if (children.length) { - var last = ts.lastOrUndefined(children); - if (last.kind === expectedLastToken) { - return true; - } - else if (last.kind === 23 && children.length !== 1) { - return children[children.length - 2].kind === expectedLastToken; - } - } - return false; - } - function findListItemInfo(node) { - var list = findContainingList(node); - if (!list) { - return undefined; - } - var children = list.getChildren(); - var listItemIndex = ts.indexOf(children, node); - return { - listItemIndex: listItemIndex, - list: list - }; - } - ts.findListItemInfo = findListItemInfo; - function hasChildOfKind(n, kind, sourceFile) { - return !!findChildOfKind(n, kind, sourceFile); - } - ts.hasChildOfKind = hasChildOfKind; - function findChildOfKind(n, kind, sourceFile) { - return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); - } - ts.findChildOfKind = findChildOfKind; - function findContainingList(node) { - var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { - if (c.kind === 274 && c.pos <= node.pos && c.end >= node.end) { - return c; - } - }); - ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); - return syntaxList; - } - ts.findContainingList = findContainingList; - function getTouchingWord(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); - } - ts.getTouchingWord = getTouchingWord; - function getTouchingPropertyName(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); - } - ts.getTouchingPropertyName = getTouchingPropertyName; - function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { - return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition); - } - ts.getTouchingToken = getTouchingToken; - function getTokenAtPosition(sourceFile, position) { - return getTokenAtPositionWorker(sourceFile, position, true, undefined); - } - ts.getTokenAtPosition = getTokenAtPosition; - function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { - var current = sourceFile; - outer: while (true) { - if (isToken(current)) { - return current; - } - for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { - var child = current.getChildAt(i); - var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); - if (start <= position) { - var end = child.getEnd(); - if (position < end || (position === end && child.kind === 1)) { - current = child; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, child); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } - } - } - return current; - } - } - function findTokenOnLeftOfPosition(file, position) { - var tokenAtPosition = getTokenAtPosition(file, position); - if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { - return tokenAtPosition; - } - return findPrecedingToken(position, file); - } - ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; - function findNextToken(previousToken, parent) { - return find(parent); - function find(n) { - if (isToken(n) && n.pos === previousToken.end) { - return n; - } - var children = n.getChildren(); - for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { - var child = children_1[_i]; - var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || - (child.pos === previousToken.end); - if (shouldDiveInChildNode && nodeHasTokens(child)) { - return find(child); - } - } - return undefined; - } - } - ts.findNextToken = findNextToken; - function findPrecedingToken(position, sourceFile, startNode) { - return find(startNode || sourceFile); - function findRightmostToken(n) { - if (isToken(n) || n.kind === 239) { - return n; - } - var children = n.getChildren(); - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); - } - function find(n) { - if (isToken(n) || n.kind === 239) { - return n; - } - var children = n.getChildren(); - for (var i = 0, len = children.length; i < len; i++) { - var child = children[i]; - if (position < child.end && (nodeHasTokens(child) || child.kind === 239)) { - var start = child.getStart(sourceFile); - var lookInPreviousChild = (start >= position) || - (child.kind === 239 && start === child.end); - if (lookInPreviousChild) { - var candidate = findRightmostChildNodeWithTokens(children, i); - return candidate && findRightmostToken(candidate); - } - else { - return find(child); - } - } - } - ts.Debug.assert(startNode !== undefined || n.kind === 251); - if (children.length) { - var candidate = findRightmostChildNodeWithTokens(children, children.length); - return candidate && findRightmostToken(candidate); - } - } - function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { - for (var i = exclusiveStartPosition - 1; i >= 0; --i) { - if (nodeHasTokens(children[i])) { - return children[i]; - } - } - } - } - ts.findPrecedingToken = findPrecedingToken; - function isInString(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - return token && (token.kind === 9 || token.kind === 163) && position > token.getStart(); - } - ts.isInString = isInString; - function isInComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, undefined); - } - ts.isInComment = isInComment; - function isInCommentHelper(sourceFile, position, predicate) { - var token = getTokenAtPosition(sourceFile, position); - if (token && position <= token.getStart()) { - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return predicate ? - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end) && - predicate(c); }) : - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 ? position <= c.end : position < c.end); }); - } - return false; - } - ts.isInCommentHelper = isInCommentHelper; - function hasDocComment(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return ts.forEach(commentRanges, jsDocPrefix); - function jsDocPrefix(c) { - var text = sourceFile.text; - return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; - } - } - ts.hasDocComment = hasDocComment; - function getJsDocTagAtPosition(sourceFile, position) { - var node = ts.getTokenAtPosition(sourceFile, position); - if (isToken(node)) { - switch (node.kind) { - case 102: - case 108: - case 74: - node = node.parent === undefined ? undefined : node.parent.parent; - break; - default: - node = node.parent; - break; - } - } - if (node) { - var jsDocComment = node.jsDocComment; - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos <= position && position <= tag.end) { - return tag; - } - } - } - } - return undefined; - } - ts.getJsDocTagAtPosition = getJsDocTagAtPosition; - function nodeHasTokens(n) { - return n.getWidth() !== 0; - } - function getNodeModifiers(node) { - var flags = ts.getCombinedNodeFlags(node); - var result = []; - if (flags & 16) - result.push(ts.ScriptElementKindModifier.privateMemberModifier); - if (flags & 32) - result.push(ts.ScriptElementKindModifier.protectedMemberModifier); - if (flags & 8) - result.push(ts.ScriptElementKindModifier.publicMemberModifier); - if (flags & 64) - result.push(ts.ScriptElementKindModifier.staticModifier); - if (flags & 128) - result.push(ts.ScriptElementKindModifier.abstractModifier); - if (flags & 2) - result.push(ts.ScriptElementKindModifier.exportedModifier); - if (ts.isInAmbientContext(node)) - result.push(ts.ScriptElementKindModifier.ambientModifier); - return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; - } - ts.getNodeModifiers = getNodeModifiers; - function getTypeArgumentOrTypeParameterList(node) { - if (node.kind === 152 || node.kind === 171) { - return node.typeArguments; - } - if (ts.isFunctionLike(node) || node.kind === 217 || node.kind === 218) { - return node.typeParameters; - } - return undefined; - } - ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; - function isToken(n) { - return n.kind >= 0 && n.kind <= 135; - } - ts.isToken = isToken; - function isWord(kind) { - return kind === 69 || ts.isKeyword(kind); - } - ts.isWord = isWord; - function isPropertyName(kind) { - return kind === 9 || kind === 8 || isWord(kind); - } - function isComment(kind) { - return kind === 2 || kind === 3; - } - ts.isComment = isComment; - function isStringOrRegularExpressionOrTemplateLiteral(kind) { - if (kind === 9 - || kind === 163 - || kind === 10 - || ts.isTemplateLiteralKind(kind)) { - return true; - } - return false; - } - ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; - function isPunctuation(kind) { - return 15 <= kind && kind <= 68; - } - ts.isPunctuation = isPunctuation; - function isInsideTemplateLiteral(node, position) { - return ts.isTemplateLiteralKind(node.kind) - && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); - } - ts.isInsideTemplateLiteral = isInsideTemplateLiteral; - function isAccessibilityModifier(kind) { - switch (kind) { - case 112: - case 110: - case 111: - return true; - } - return false; - } - ts.isAccessibilityModifier = isAccessibilityModifier; - function compareDataObjects(dst, src) { - for (var e in dst) { - if (typeof dst[e] === "object") { - if (!compareDataObjects(dst[e], src[e])) { - return false; - } - } - else if (typeof dst[e] !== "function") { - if (dst[e] !== src[e]) { - return false; - } - } - } - return true; - } - ts.compareDataObjects = compareDataObjects; - function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { - if (node.kind === 167 || - node.kind === 168) { - if (node.parent.kind === 184 && - node.parent.left === node && - node.parent.operatorToken.kind === 56) { - return true; - } - if (node.parent.kind === 204 && - node.parent.initializer === node) { - return true; - } - if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 ? node.parent.parent : node.parent)) { - return true; - } - } - return false; - } - ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; -})(ts || (ts = {})); -var ts; -(function (ts) { - function isFirstDeclarationOfSymbolParameter(symbol) { - return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139; - } - ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; - var displayPartWriter = getDisplayPartWriter(); - function getDisplayPartWriter() { - var displayParts; - var lineStart; - var indent; - resetWriter(); - return { - displayParts: function () { return displayParts; }, - writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, - writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, - writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, - writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, - writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, - writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, - writeSymbol: writeSymbol, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - function writeIndent() { - if (lineStart) { - var indentString = ts.getIndentString(indent); - if (indentString) { - displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); - } - lineStart = false; - } - } - function writeKind(text, kind) { - writeIndent(); - displayParts.push(displayPart(text, kind)); - } - function writeSymbol(text, symbol) { - writeIndent(); - displayParts.push(symbolPart(text, symbol)); - } - function writeLine() { - displayParts.push(lineBreakPart()); - lineStart = true; - } - function resetWriter() { - displayParts = []; - lineStart = true; - indent = 0; - } - } - function symbolPart(text, symbol) { - return displayPart(text, displayPartKind(symbol), symbol); - function displayPartKind(symbol) { - var flags = symbol.flags; - if (flags & 3) { - return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; - } - else if (flags & 4) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 32768) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 65536) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 8) { - return ts.SymbolDisplayPartKind.enumMemberName; - } - else if (flags & 16) { - return ts.SymbolDisplayPartKind.functionName; - } - else if (flags & 32) { - return ts.SymbolDisplayPartKind.className; - } - else if (flags & 64) { - return ts.SymbolDisplayPartKind.interfaceName; - } - else if (flags & 384) { - return ts.SymbolDisplayPartKind.enumName; - } - else if (flags & 1536) { - return ts.SymbolDisplayPartKind.moduleName; - } - else if (flags & 8192) { - return ts.SymbolDisplayPartKind.methodName; - } - else if (flags & 262144) { - return ts.SymbolDisplayPartKind.typeParameterName; - } - else if (flags & 524288) { - return ts.SymbolDisplayPartKind.aliasName; - } - else if (flags & 8388608) { - return ts.SymbolDisplayPartKind.aliasName; - } - return ts.SymbolDisplayPartKind.text; - } - } - ts.symbolPart = symbolPart; - function displayPart(text, kind, symbol) { - return { - text: text, - kind: ts.SymbolDisplayPartKind[kind] - }; - } - ts.displayPart = displayPart; - function spacePart() { - return displayPart(" ", ts.SymbolDisplayPartKind.space); - } - ts.spacePart = spacePart; - function keywordPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); - } - ts.keywordPart = keywordPart; - function punctuationPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); - } - ts.punctuationPart = punctuationPart; - function operatorPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); - } - ts.operatorPart = operatorPart; - function textOrKeywordPart(text) { - var kind = ts.stringToToken(text); - return kind === undefined - ? textPart(text) - : keywordPart(kind); - } - ts.textOrKeywordPart = textOrKeywordPart; - function textPart(text) { - return displayPart(text, ts.SymbolDisplayPartKind.text); - } - ts.textPart = textPart; - var carriageReturnLineFeed = "\r\n"; - function getNewLineOrDefaultFromHost(host) { - return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; - } - ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; - function lineBreakPart() { - return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); - } - ts.lineBreakPart = lineBreakPart; - function mapToDisplayParts(writeDisplayParts) { - writeDisplayParts(displayPartWriter); - var result = displayPartWriter.displayParts(); - displayPartWriter.clear(); - return result; - } - ts.mapToDisplayParts = mapToDisplayParts; - function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - }); - } - ts.typeToDisplayParts = typeToDisplayParts; - function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { - return mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); - }); - } - ts.symbolToDisplayParts = symbolToDisplayParts; - function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); - }); - } - ts.signatureToDisplayParts = signatureToDisplayParts; - function getDeclaredName(typeChecker, symbol, location) { - if (isImportOrExportSpecifierName(location)) { - return location.getText(); - } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); - return name; - } - ts.getDeclaredName = getDeclaredName; - function isImportOrExportSpecifierName(location) { - return location.parent && - (location.parent.kind === 229 || location.parent.kind === 233) && - location.parent.propertyName === location; - } - ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; - function stripQuotes(name) { - var length = name.length; - if (length >= 2 && - name.charCodeAt(0) === name.charCodeAt(length - 1) && - (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { - return name.substring(1, length - 1); - } - ; - return name; - } - ts.stripQuotes = stripQuotes; -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var standardScanner = ts.createScanner(2, false, 0); - var jsxScanner = ts.createScanner(2, false, 1); - var scanner; - function getFormattingScanner(sourceFile, startPos, endPos) { - ts.Debug.assert(scanner === undefined); - scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; - scanner.setText(sourceFile.text); - scanner.setTextPos(startPos); - var wasNewLine = true; - var leadingTrivia; - var trailingTrivia; - var savedPos; - var lastScanAction; - var lastTokenInfo; - return { - advance: advance, - readTokenInfo: readTokenInfo, - isOnToken: isOnToken, - getCurrentLeadingTrivia: function () { return leadingTrivia; }, - lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, - close: function () { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - scanner.setText(undefined); - scanner = undefined; - } - }; - function advance() { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - var isStarted = scanner.getStartPos() !== startPos; - if (isStarted) { - if (trailingTrivia) { - ts.Debug.assert(trailingTrivia.length !== 0); - wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; - } - else { - wasNewLine = false; - } - } - leadingTrivia = undefined; - trailingTrivia = undefined; - if (!isStarted) { - scanner.scan(); - } - var t; - var pos = scanner.getStartPos(); - while (pos < endPos) { - var t_1 = scanner.getToken(); - if (!ts.isTrivia(t_1)) { - break; - } - scanner.scan(); - var item = { - pos: pos, - end: scanner.getStartPos(), - kind: t_1 - }; - pos = scanner.getStartPos(); - if (!leadingTrivia) { - leadingTrivia = []; - } - leadingTrivia.push(item); - } - savedPos = scanner.getStartPos(); - } - function shouldRescanGreaterThanToken(node) { - if (node) { - switch (node.kind) { - case 29: - case 64: - case 65: - case 45: - case 44: - return true; - } - } - return false; - } - function shouldRescanJsxIdentifier(node) { - if (node.parent) { - switch (node.parent.kind) { - case 241: - case 238: - case 240: - case 237: - return node.kind === 69; - } - } - return false; - } - function shouldRescanSlashToken(container) { - return container.kind === 10; - } - function shouldRescanTemplateToken(container) { - return container.kind === 13 || - container.kind === 14; - } - function startsWithSlashToken(t) { - return t === 39 || t === 61; - } - function readTokenInfo(n) { - ts.Debug.assert(scanner !== undefined); - if (!isOnToken()) { - return { - leadingTrivia: leadingTrivia, - trailingTrivia: undefined, - token: undefined - }; - } - var expectedScanAction = shouldRescanGreaterThanToken(n) - ? 1 - : shouldRescanSlashToken(n) - ? 2 - : shouldRescanTemplateToken(n) - ? 3 - : shouldRescanJsxIdentifier(n) - ? 4 - : 0; - if (lastTokenInfo && expectedScanAction === lastScanAction) { - return fixTokenKind(lastTokenInfo, n); - } - if (scanner.getStartPos() !== savedPos) { - ts.Debug.assert(lastTokenInfo !== undefined); - scanner.setTextPos(savedPos); - scanner.scan(); - } - var currentToken = scanner.getToken(); - if (expectedScanAction === 1 && currentToken === 27) { - currentToken = scanner.reScanGreaterToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 1; - } - else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { - currentToken = scanner.reScanSlashToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 2; - } - else if (expectedScanAction === 3 && currentToken === 16) { - currentToken = scanner.reScanTemplateToken(); - lastScanAction = 3; - } - else if (expectedScanAction === 4 && currentToken === 69) { - currentToken = scanner.scanJsxIdentifier(); - lastScanAction = 4; - } - else { - lastScanAction = 0; - } - var token = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (trailingTrivia) { - trailingTrivia = undefined; - } - while (scanner.getStartPos() < endPos) { - currentToken = scanner.scan(); - if (!ts.isTrivia(currentToken)) { - break; - } - var trivia = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (!trailingTrivia) { - trailingTrivia = []; - } - trailingTrivia.push(trivia); - if (currentToken === 4) { - scanner.scan(); - break; - } - } - lastTokenInfo = { - leadingTrivia: leadingTrivia, - trailingTrivia: trailingTrivia, - token: token - }; - return fixTokenKind(lastTokenInfo, n); - } - function isOnToken() { - ts.Debug.assert(scanner !== undefined); - var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); - var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); - return startPos < endPos && current !== 1 && !ts.isTrivia(current); - } - function fixTokenKind(tokenInfo, container) { - if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { - tokenInfo.token.kind = container.kind; - } - return tokenInfo; - } - } - formatting.getFormattingScanner = getFormattingScanner; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var FormattingContext = (function () { - function FormattingContext(sourceFile, formattingRequestKind) { - this.sourceFile = sourceFile; - this.formattingRequestKind = formattingRequestKind; - } - FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { - ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); - ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); - ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); - ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); - ts.Debug.assert(commonParent !== undefined, "commonParent is null"); - this.currentTokenSpan = currentRange; - this.currentTokenParent = currentTokenParent; - this.nextTokenSpan = nextRange; - this.nextTokenParent = nextTokenParent; - this.contextNode = commonParent; - this.contextNodeAllOnSameLine = undefined; - this.nextNodeAllOnSameLine = undefined; - this.tokensAreOnSameLine = undefined; - this.contextNodeBlockIsOnOneLine = undefined; - this.nextNodeBlockIsOnOneLine = undefined; - }; - FormattingContext.prototype.ContextNodeAllOnSameLine = function () { - if (this.contextNodeAllOnSameLine === undefined) { - this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); - } - return this.contextNodeAllOnSameLine; - }; - FormattingContext.prototype.NextNodeAllOnSameLine = function () { - if (this.nextNodeAllOnSameLine === undefined) { - this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeAllOnSameLine; - }; - FormattingContext.prototype.TokensAreOnSameLine = function () { - if (this.tokensAreOnSameLine === undefined) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; - this.tokensAreOnSameLine = (startLine === endLine); - } - return this.tokensAreOnSameLine; - }; - FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { - if (this.contextNodeBlockIsOnOneLine === undefined) { - this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); - } - return this.contextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { - if (this.nextNodeBlockIsOnOneLine === undefined) { - this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NodeIsOnOneLine = function (node) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; - return startLine === endLine; - }; - FormattingContext.prototype.BlockIsOnOneLine = function (node) { - var openBrace = ts.findChildOfKind(node, 15, this.sourceFile); - var closeBrace = ts.findChildOfKind(node, 16, this.sourceFile); - if (openBrace && closeBrace) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; - return startLine === endLine; - } - return false; - }; - return FormattingContext; - }()); - formatting.FormattingContext = FormattingContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rule = (function () { - function Rule(Descriptor, Operation, Flag) { - if (Flag === void 0) { Flag = 0; } - this.Descriptor = Descriptor; - this.Operation = Operation; - this.Flag = Flag; - } - Rule.prototype.toString = function () { - return "[desc=" + this.Descriptor + "," + - "operation=" + this.Operation + "," + - "flag=" + this.Flag + "]"; - }; - return Rule; - }()); - formatting.Rule = Rule; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleDescriptor = (function () { - function RuleDescriptor(LeftTokenRange, RightTokenRange) { - this.LeftTokenRange = LeftTokenRange; - this.RightTokenRange = RightTokenRange; - } - RuleDescriptor.prototype.toString = function () { - return "[leftRange=" + this.LeftTokenRange + "," + - "rightRange=" + this.RightTokenRange + "]"; - }; - RuleDescriptor.create1 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create2 = function (left, right) { - return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create3 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); - }; - RuleDescriptor.create4 = function (left, right) { - return new RuleDescriptor(left, right); - }; - return RuleDescriptor; - }()); - formatting.RuleDescriptor = RuleDescriptor; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperation = (function () { - function RuleOperation() { - this.Context = null; - this.Action = null; - } - RuleOperation.prototype.toString = function () { - return "[context=" + this.Context + "," + - "action=" + this.Action + "]"; - }; - RuleOperation.create1 = function (action) { - return RuleOperation.create2(formatting.RuleOperationContext.Any, action); - }; - RuleOperation.create2 = function (context, action) { - var result = new RuleOperation(); - result.Context = context; - result.Action = action; - return result; - }; - return RuleOperation; - }()); - formatting.RuleOperation = RuleOperation; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperationContext = (function () { - function RuleOperationContext() { - var funcs = []; - for (var _i = 0; _i < arguments.length; _i++) { - funcs[_i - 0] = arguments[_i]; - } - this.customContextChecks = funcs; - } - RuleOperationContext.prototype.IsAny = function () { - return this === RuleOperationContext.Any; - }; - RuleOperationContext.prototype.InContext = function (context) { - if (this.IsAny()) { - return true; - } - for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { - var check = _a[_i]; - if (!check(context)) { - return false; - } - } - return true; - }; - RuleOperationContext.Any = new RuleOperationContext(); - return RuleOperationContext; - }()); - formatting.RuleOperationContext = RuleOperationContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rules = (function () { - function Rules() { - this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); - this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); - this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); - this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); - this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); - this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16, 80), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16, 104), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.FromTokens([18, 20, 24, 23])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); - this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; - this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69, 3, 73]); - this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18, 3, 79, 100, 85, 80]); - this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); - this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); - this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8)); - this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); - this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35, 41), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102, 98, 92, 78, 94, 101, 119]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108, 74]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); - this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); - this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); - this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2)); - this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94, 23), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18, 79, 80, 71]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2)); - this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100, 85]), 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123, 129]), 69), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125, 127]), 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 73, 122, 77, 81, 82, 83, 123, 106, 89, 107, 125, 126, 110, 112, 111, 129, 113, 132]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83, 106])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); - this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22, 69), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.FromTokens([18, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); - this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27, formatting.Shared.TokenRange.FromTokens([17, 19, 27, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); - this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); - this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8)); - this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115, 69, 82, 77, 73, 113, 112, 110, 111, 123, 129, 19, 37])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); - this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); - this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37, formatting.Shared.TokenRange.FromTokens([69, 17])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); - this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); - this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114, 37]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); - this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2)); - this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118, 87), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69, formatting.Shared.TokenRange.FromTokens([11, 12])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.HighPriorityCommonRules = [ - this.IgnoreBeforeComment, this.IgnoreAfterLineComment, - this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, - this.NoSpaceAfterQuestionMark, - this.NoSpaceBeforeDot, this.NoSpaceAfterDot, - this.NoSpaceAfterUnaryPrefixOperator, - this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, - this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, - this.SpaceAfterPostincrementWhenFollowedByAdd, - this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, - this.SpaceAfterPostdecrementWhenFollowedBySubtract, - this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, - this.NoSpaceAfterCloseBrace, - this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, - this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, - this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, - this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, - this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, - this.NoSpaceBetweenReturnAndSemicolon, - this.SpaceAfterCertainKeywords, - this.SpaceAfterLetConstInVariableDeclaration, - this.NoSpaceBeforeOpenParenInFuncCall, - this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, - this.SpaceAfterVoidOperator, - this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, - this.NoSpaceBetweenTagAndTemplateString, - this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, - this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, - this.SpaceAfterModuleName, - this.SpaceBeforeArrow, this.SpaceAfterArrow, - this.NoSpaceAfterEllipsis, - this.NoSpaceAfterOptionalParameters, - this.NoSpaceBetweenEmptyInterfaceBraceBrackets, - this.NoSpaceBeforeOpenAngularBracket, - this.NoSpaceBetweenCloseParenAndAngularBracket, - this.NoSpaceAfterOpenAngularBracket, - this.NoSpaceBeforeCloseAngularBracket, - this.NoSpaceAfterCloseAngularBracket, - this.NoSpaceAfterTypeAssertion, - this.SpaceBeforeAt, - this.NoSpaceAfterAt, - this.SpaceAfterDecorator, - ]; - this.LowPriorityCommonRules = [ - this.NoSpaceBeforeSemicolon, - this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, - this.NoSpaceBeforeComma, - this.NoSpaceBeforeOpenBracket, - this.NoSpaceAfterCloseBracket, - this.SpaceAfterSemicolon, - this.NoSpaceBeforeOpenParenInFuncDecl, - this.SpaceBetweenStatements, this.SpaceAfterTryFinally - ]; - this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2)); - this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); - this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8)); - this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); - this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); - this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); - this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2)); - this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8)); - this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12, 13]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12, 13]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13, 14])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); - this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13, 14])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); - this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); - this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); - } - Rules.prototype.getRuleName = function (rule) { - var o = this; - for (var name_34 in o) { - if (o[name_34] === rule) { - return name_34; - } - } - throw new Error("Unknown rule"); - }; - Rules.IsForContext = function (context) { - return context.contextNode.kind === 202; - }; - Rules.IsNotForContext = function (context) { - return !Rules.IsForContext(context); - }; - Rules.IsBinaryOpContext = function (context) { - switch (context.contextNode.kind) { - case 184: - case 185: - case 192: - case 151: - case 159: - case 160: - return true; - case 166: - case 219: - case 224: - case 214: - case 139: - case 250: - case 142: - case 141: - return context.currentTokenSpan.kind === 56 || context.nextTokenSpan.kind === 56; - case 203: - return context.currentTokenSpan.kind === 90 || context.nextTokenSpan.kind === 90; - case 204: - return context.currentTokenSpan.kind === 135 || context.nextTokenSpan.kind === 135; - } - return false; - }; - Rules.IsNotBinaryOpContext = function (context) { - return !Rules.IsBinaryOpContext(context); - }; - Rules.IsConditionalOperatorContext = function (context) { - return context.contextNode.kind === 185; - }; - Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { - return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); - }; - Rules.IsBeforeMultilineBlockContext = function (context) { - return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); - }; - Rules.IsMultilineBlockContext = function (context) { - return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsSingleLineBlockContext = function (context) { - return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.contextNode); - }; - Rules.IsBeforeBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.nextTokenParent); - }; - Rules.NodeIsBlockContext = function (node) { - if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { - return true; - } - switch (node.kind) { - case 195: - case 223: - case 168: - case 222: - return true; - } - return false; - }; - Rules.IsFunctionDeclContext = function (context) { - switch (context.contextNode.kind) { - case 216: - case 144: - case 143: - case 146: - case 147: - case 148: - case 176: - case 145: - case 177: - case 218: - return true; - } - return false; - }; - Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { - return context.contextNode.kind === 216 || context.contextNode.kind === 176; - }; - Rules.IsTypeScriptDeclWithBlockContext = function (context) { - return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); - }; - Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { - switch (node.kind) { - case 217: - case 189: - case 218: - case 220: - case 156: - case 221: - return true; - } - return false; - }; - Rules.IsAfterCodeBlockContext = function (context) { - switch (context.currentTokenParent.kind) { - case 217: - case 221: - case 220: - case 195: - case 247: - case 222: - case 209: - return true; - } - return false; - }; - Rules.IsControlDeclContext = function (context) { - switch (context.contextNode.kind) { - case 199: - case 209: - case 202: - case 203: - case 204: - case 201: - case 212: - case 200: - case 208: - case 247: - return true; - default: - return false; - } - }; - Rules.IsObjectContext = function (context) { - return context.contextNode.kind === 168; - }; - Rules.IsFunctionCallContext = function (context) { - return context.contextNode.kind === 171; - }; - Rules.IsNewContext = function (context) { - return context.contextNode.kind === 172; - }; - Rules.IsFunctionCallOrNewContext = function (context) { - return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); - }; - Rules.IsPreviousTokenNotComma = function (context) { - return context.currentTokenSpan.kind !== 24; - }; - Rules.IsNextTokenNotCloseBracket = function (context) { - return context.nextTokenSpan.kind !== 20; - }; - Rules.IsArrowFunctionContext = function (context) { - return context.contextNode.kind === 177; - }; - Rules.IsSameLineTokenContext = function (context) { - return context.TokensAreOnSameLine(); - }; - Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { - return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); - }; - Rules.IsEndOfDecoratorContextOnSameLine = function (context) { - return context.TokensAreOnSameLine() && - context.contextNode.decorators && - Rules.NodeIsInDecoratorContext(context.currentTokenParent) && - !Rules.NodeIsInDecoratorContext(context.nextTokenParent); - }; - Rules.NodeIsInDecoratorContext = function (node) { - while (ts.isExpression(node)) { - node = node.parent; - } - return node.kind === 140; - }; - Rules.IsStartOfVariableDeclarationList = function (context) { - return context.currentTokenParent.kind === 215 && - context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; - }; - Rules.IsNotFormatOnEnter = function (context) { - return context.formattingRequestKind !== 2; - }; - Rules.IsModuleDeclContext = function (context) { - return context.contextNode.kind === 221; - }; - Rules.IsObjectTypeContext = function (context) { - return context.contextNode.kind === 156; - }; - Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { - if (token.kind !== 25 && token.kind !== 27) { - return false; - } - switch (parent.kind) { - case 152: - case 174: - case 217: - case 189: - case 218: - case 216: - case 176: - case 177: - case 144: - case 143: - case 148: - case 149: - case 171: - case 172: - case 191: - return true; - default: - return false; - } - }; - Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { - return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || - Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); - }; - Rules.IsTypeAssertionContext = function (context) { - return context.contextNode.kind === 174; - }; - Rules.IsVoidOpContext = function (context) { - return context.currentTokenSpan.kind === 103 && context.currentTokenParent.kind === 180; - }; - Rules.IsYieldOrYieldStarWithOperand = function (context) { - return context.contextNode.kind === 187 && context.contextNode.expression !== undefined; - }; - return Rules; - }()); - formatting.Rules = Rules; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesMap = (function () { - function RulesMap() { - this.map = []; - this.mapRowLength = 0; - } - RulesMap.create = function (rules) { - var result = new RulesMap(); - result.Initialize(rules); - return result; - }; - RulesMap.prototype.Initialize = function (rules) { - this.mapRowLength = 135 + 1; - this.map = new Array(this.mapRowLength * this.mapRowLength); - var rulesBucketConstructionStateList = new Array(this.map.length); - this.FillRules(rules, rulesBucketConstructionStateList); - return this.map; - }; - RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { - var _this = this; - rules.forEach(function (rule) { - _this.FillRule(rule, rulesBucketConstructionStateList); - }); - }; - RulesMap.prototype.GetRuleBucketIndex = function (row, column) { - var rulesBucketIndex = (row * this.mapRowLength) + column; - return rulesBucketIndex; - }; - RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { - var _this = this; - var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && - rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; - rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { - rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { - var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); - var rulesBucket = _this.map[rulesBucketIndex]; - if (rulesBucket === undefined) { - rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); - } - rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); - }); - }); - }; - RulesMap.prototype.GetRule = function (context) { - var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); - var bucket = this.map[bucketIndex]; - if (bucket != null) { - for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { - var rule = _a[_i]; - if (rule.Operation.Context.InContext(context)) { - return rule; - } - } - } - return null; - }; - return RulesMap; - }()); - formatting.RulesMap = RulesMap; - var MaskBitSize = 5; - var Mask = 0x1f; - (function (RulesPosition) { - RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; - RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; - RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; - RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; - RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; - RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; - })(formatting.RulesPosition || (formatting.RulesPosition = {})); - var RulesPosition = formatting.RulesPosition; - var RulesBucketConstructionState = (function () { - function RulesBucketConstructionState() { - this.rulesInsertionIndexBitmap = 0; - } - RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { - var index = 0; - var pos = 0; - var indexBitmap = this.rulesInsertionIndexBitmap; - while (pos <= maskPosition) { - index += (indexBitmap & Mask); - indexBitmap >>= MaskBitSize; - pos += MaskBitSize; - } - return index; - }; - RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { - var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; - value++; - ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); - var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); - temp |= value << maskPosition; - this.rulesInsertionIndexBitmap = temp; - }; - return RulesBucketConstructionState; - }()); - formatting.RulesBucketConstructionState = RulesBucketConstructionState; - var RulesBucket = (function () { - function RulesBucket() { - this.rules = []; - } - RulesBucket.prototype.Rules = function () { - return this.rules; - }; - RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { - var position; - if (rule.Operation.Action === 1) { - position = specificTokens ? - RulesPosition.IgnoreRulesSpecific : - RulesPosition.IgnoreRulesAny; - } - else if (!rule.Operation.Context.IsAny()) { - position = specificTokens ? - RulesPosition.ContextRulesSpecific : - RulesPosition.ContextRulesAny; - } - else { - position = specificTokens ? - RulesPosition.NoContextRulesSpecific : - RulesPosition.NoContextRulesAny; - } - var state = constructionState[rulesBucketIndex]; - if (state === undefined) { - state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); - } - var index = state.GetInsertionIndex(position); - this.rules.splice(index, 0, rule); - state.IncreaseInsertionIndex(position); - }; - return RulesBucket; - }()); - formatting.RulesBucket = RulesBucket; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Shared; - (function (Shared) { - var TokenRangeAccess = (function () { - function TokenRangeAccess(from, to, except) { - this.tokens = []; - for (var token = from; token <= to; token++) { - if (ts.indexOf(except, token) < 0) { - this.tokens.push(token); - } - } - } - TokenRangeAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenRangeAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenRangeAccess; - }()); - Shared.TokenRangeAccess = TokenRangeAccess; - var TokenValuesAccess = (function () { - function TokenValuesAccess(tks) { - this.tokens = tks && tks.length ? tks : []; - } - TokenValuesAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenValuesAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenValuesAccess; - }()); - Shared.TokenValuesAccess = TokenValuesAccess; - var TokenSingleValueAccess = (function () { - function TokenSingleValueAccess(token) { - this.token = token; - } - TokenSingleValueAccess.prototype.GetTokens = function () { - return [this.token]; - }; - TokenSingleValueAccess.prototype.Contains = function (tokenValue) { - return tokenValue === this.token; - }; - return TokenSingleValueAccess; - }()); - Shared.TokenSingleValueAccess = TokenSingleValueAccess; - var TokenAllAccess = (function () { - function TokenAllAccess() { - } - TokenAllAccess.prototype.GetTokens = function () { - var result = []; - for (var token = 0; token <= 135; token++) { - result.push(token); - } - return result; - }; - TokenAllAccess.prototype.Contains = function (tokenValue) { - return true; - }; - TokenAllAccess.prototype.toString = function () { - return "[allTokens]"; - }; - return TokenAllAccess; - }()); - Shared.TokenAllAccess = TokenAllAccess; - var TokenRange = (function () { - function TokenRange(tokenAccess) { - this.tokenAccess = tokenAccess; - } - TokenRange.FromToken = function (token) { - return new TokenRange(new TokenSingleValueAccess(token)); - }; - TokenRange.FromTokens = function (tokens) { - return new TokenRange(new TokenValuesAccess(tokens)); - }; - TokenRange.FromRange = function (f, to, except) { - if (except === void 0) { except = []; } - return new TokenRange(new TokenRangeAccess(f, to, except)); - }; - TokenRange.AllTokens = function () { - return new TokenRange(new TokenAllAccess()); - }; - TokenRange.prototype.GetTokens = function () { - return this.tokenAccess.GetTokens(); - }; - TokenRange.prototype.Contains = function (token) { - return this.tokenAccess.Contains(token); - }; - TokenRange.prototype.toString = function () { - return this.tokenAccess.toString(); - }; - TokenRange.Any = TokenRange.AllTokens(); - TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); - TokenRange.Keywords = TokenRange.FromRange(70, 135); - TokenRange.BinaryOperators = TokenRange.FromRange(25, 68); - TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90, 91, 135, 116, 124]); - TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41, 42, 50, 49]); - TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 69, 17, 19, 15, 97, 92]); - TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69, 17, 97, 92]); - TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69, 18, 20, 92]); - TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69, 17, 97, 92]); - TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69, 18, 20, 92]); - TokenRange.Comments = TokenRange.FromTokens([2, 3]); - TokenRange.TypeNames = TokenRange.FromTokens([69, 128, 130, 120, 131, 103, 117]); - return TokenRange; - }()); - Shared.TokenRange = TokenRange; - })(Shared = formatting.Shared || (formatting.Shared = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesProvider = (function () { - function RulesProvider() { - this.globalRules = new formatting.Rules(); - } - RulesProvider.prototype.getRuleName = function (rule) { - return this.globalRules.getRuleName(rule); - }; - RulesProvider.prototype.getRuleByName = function (name) { - return this.globalRules[name]; - }; - RulesProvider.prototype.getRulesMap = function () { - return this.rulesMap; - }; - RulesProvider.prototype.ensureUpToDate = function (options) { - if (this.options == null || !ts.compareDataObjects(this.options, options)) { - var activeRules = this.createActiveRules(options); - var rulesMap = formatting.RulesMap.create(activeRules); - this.activeRules = activeRules; - this.rulesMap = rulesMap; - this.options = ts.clone(options); - } - }; - RulesProvider.prototype.createActiveRules = function (options) { - var rules = this.globalRules.HighPriorityCommonRules.slice(0); - if (options.InsertSpaceAfterCommaDelimiter) { - rules.push(this.globalRules.SpaceAfterComma); - } - else { - rules.push(this.globalRules.NoSpaceAfterComma); - } - if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { - rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); - } - else { - rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); - } - if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { - rules.push(this.globalRules.SpaceAfterKeywordInControl); - } - else { - rules.push(this.globalRules.NoSpaceAfterKeywordInControl); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { - rules.push(this.globalRules.SpaceAfterOpenParen); - rules.push(this.globalRules.SpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenParen); - rules.push(this.globalRules.NoSpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { - rules.push(this.globalRules.SpaceAfterOpenBracket); - rules.push(this.globalRules.SpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBracket); - rules.push(this.globalRules.NoSpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { - rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); - } - else { - rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); - } - if (options.InsertSpaceAfterSemicolonInForStatements) { - rules.push(this.globalRules.SpaceAfterSemicolonInFor); - } - else { - rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); - } - if (options.InsertSpaceBeforeAndAfterBinaryOperators) { - rules.push(this.globalRules.SpaceBeforeBinaryOperator); - rules.push(this.globalRules.SpaceAfterBinaryOperator); - } - else { - rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); - rules.push(this.globalRules.NoSpaceAfterBinaryOperator); - } - if (options.PlaceOpenBraceOnNewLineForControlBlocks) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); - } - if (options.PlaceOpenBraceOnNewLineForFunctions) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); - rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); - } - rules = rules.concat(this.globalRules.LowPriorityCommonRules); - return rules; - }; - return RulesProvider; - }()); - formatting.RulesProvider = RulesProvider; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - function formatOnEnter(position, sourceFile, rulesProvider, options) { - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - if (line === 0) { - return []; - } - var span = { - pos: ts.getStartPositionOfLine(line - 1, sourceFile), - end: ts.getEndLinePosition(line, sourceFile) + 1 - }; - return formatSpan(span, sourceFile, options, rulesProvider, 2); - } - formatting.formatOnEnter = formatOnEnter; - function formatOnSemicolon(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 23, sourceFile, options, rulesProvider, 3); - } - formatting.formatOnSemicolon = formatOnSemicolon; - function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 16, sourceFile, options, rulesProvider, 4); - } - formatting.formatOnClosingCurly = formatOnClosingCurly; - function formatDocument(sourceFile, rulesProvider, options) { - var span = { - pos: 0, - end: sourceFile.text.length - }; - return formatSpan(span, sourceFile, options, rulesProvider, 0); - } - formatting.formatDocument = formatDocument; - function formatSelection(start, end, sourceFile, rulesProvider, options) { - var span = { - pos: ts.getLineStartPositionForPosition(start, sourceFile), - end: end - }; - return formatSpan(span, sourceFile, options, rulesProvider, 1); - } - formatting.formatSelection = formatSelection; - function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { - var parent = findOutermostParent(position, expectedLastToken, sourceFile); - if (!parent) { - return []; - } - var span = { - pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), - end: parent.end - }; - return formatSpan(span, sourceFile, options, rulesProvider, requestKind); - } - function findOutermostParent(position, expectedTokenKind, sourceFile) { - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken || - precedingToken.kind !== expectedTokenKind || - position !== precedingToken.getEnd()) { - return undefined; - } - var current = precedingToken; - while (current && - current.parent && - current.parent.end === precedingToken.end && - !isListElement(current.parent, current)) { - current = current.parent; - } - return current; - } - function isListElement(parent, node) { - switch (parent.kind) { - case 217: - case 218: - return ts.rangeContainsRange(parent.members, node); - case 221: - var body = parent.body; - return body && body.kind === 195 && ts.rangeContainsRange(body.statements, node); - case 251: - case 195: - case 222: - return ts.rangeContainsRange(parent.statements, node); - case 247: - return ts.rangeContainsRange(parent.block.statements, node); - } - return false; - } - function findEnclosingNode(range, sourceFile) { - return find(sourceFile); - function find(n) { - var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); - if (candidate) { - var result = find(candidate); - if (result) { - return result; - } - } - return n; - } - } - function prepareRangeContainsErrorFunction(errors, originalRange) { - if (!errors.length) { - return rangeHasNoErrors; - } - var sorted = errors - .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) - .sort(function (e1, e2) { return e1.start - e2.start; }); - if (!sorted.length) { - return rangeHasNoErrors; - } - var index = 0; - return function (r) { - while (true) { - if (index >= sorted.length) { - return false; - } - var error = sorted[index]; - if (r.end <= error.start) { - return false; - } - if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { - return true; - } - index++; - } - }; - function rangeHasNoErrors(r) { - return false; - } - } - function getScanStartPosition(enclosingNode, originalRange, sourceFile) { - var start = enclosingNode.getStart(sourceFile); - if (start === originalRange.pos && enclosingNode.end === originalRange.end) { - return start; - } - var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); - if (!precedingToken) { - return enclosingNode.pos; - } - if (precedingToken.end >= originalRange.pos) { - return enclosingNode.pos; - } - return precedingToken.end; - } - function getOwnOrInheritedDelta(n, options, sourceFile) { - var previousLine = -1; - var child; - while (n) { - var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; - if (previousLine !== -1 && line !== previousLine) { - break; - } - if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { - return options.IndentSize; - } - previousLine = line; - child = n; - n = n.parent; - } - return 0; - } - function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { - var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); - var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); - var enclosingNode = findEnclosingNode(originalRange, sourceFile); - var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); - var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); - var previousRangeHasError; - var previousRange; - var previousParent; - var previousRangeStartLine; - var lastIndentedLine; - var indentationOnLastIndentedLine; - var edits = []; - formattingScanner.advance(); - if (formattingScanner.isOnToken()) { - var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; - var undecoratedStartLine = startLine; - if (enclosingNode.decorators) { - undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; - } - var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); - processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); - } - if (!formattingScanner.isOnToken()) { - var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); - if (leadingTrivia) { - processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); - trimTrailingWhitespacesForRemainingRange(); - } - } - formattingScanner.close(); - return edits; - function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { - if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || - ts.rangeContainsStartEnd(range, startPos, endPos)) { - if (inheritedIndentation !== -1) { - return inheritedIndentation; - } - } - else { - var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; - var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); - var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); - if (startLine !== parentStartLine || startPos === column) { - return column; - } - } - return -1; - } - function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { - var indentation = inheritedIndentation; - var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; - if (effectiveParentStartLine === startLine) { - indentation = startLine === lastIndentedLine - ? indentationOnLastIndentedLine - : parentDynamicIndentation.getIndentation(); - delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); - } - else if (indentation === -1) { - if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { - indentation = parentDynamicIndentation.getIndentation(); - } - else { - indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); - } - } - return { - indentation: indentation, - delta: delta - }; - } - function getFirstNonDecoratorTokenOfNode(node) { - if (node.modifiers && node.modifiers.length) { - return node.modifiers[0].kind; - } - switch (node.kind) { - case 217: return 73; - case 218: return 107; - case 216: return 87; - case 220: return 220; - case 146: return 123; - case 147: return 129; - case 144: - if (node.asteriskToken) { - return 37; - } - case 142: - case 139: - return node.name.kind; - } - } - function getDynamicIndentation(node, nodeStartLine, indentation, delta) { - return { - getIndentationForComment: function (kind, tokenIndentation, container) { - switch (kind) { - case 16: - case 20: - case 18: - return indentation + getEffectiveDelta(delta, container); - } - return tokenIndentation !== -1 ? tokenIndentation : indentation; - }, - getIndentationForToken: function (line, kind, container) { - if (nodeStartLine !== line && node.decorators) { - if (kind === getFirstNonDecoratorTokenOfNode(node)) { - return indentation; - } - } - switch (kind) { - case 15: - case 16: - case 19: - case 20: - case 17: - case 18: - case 80: - case 104: - case 55: - return indentation; - default: - return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; - } - }, - getIndentation: function () { return indentation; }, - getDelta: function (child) { return getEffectiveDelta(delta, child); }, - recomputeIndentation: function (lineAdded) { - if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { - if (lineAdded) { - indentation += options.IndentSize; - } - else { - indentation -= options.IndentSize; - } - if (formatting.SmartIndenter.shouldIndentChildNode(node)) { - delta = options.IndentSize; - } - else { - delta = 0; - } - } - } - }; - function getEffectiveDelta(delta, child) { - return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; - } - } - function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { - if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { - return; - } - var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); - var childContextNode = contextNode; - ts.forEachChild(node, function (child) { - processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); - }, function (nodes) { - processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); - }); - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > node.end) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); - } - function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { - var childStartPos = child.getStart(sourceFile); - var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; - var undecoratedChildStartLine = childStartLine; - if (child.decorators) { - undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; - } - var childIndentationAmount = -1; - if (isListItem) { - childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); - if (childIndentationAmount !== -1) { - inheritedIndentation = childIndentationAmount; - } - } - if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { - return inheritedIndentation; - } - if (child.getFullWidth() === 0) { - return inheritedIndentation; - } - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > childStartPos) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); - } - if (!formattingScanner.isOnToken()) { - return inheritedIndentation; - } - if (ts.isToken(child)) { - var tokenInfo = formattingScanner.readTokenInfo(child); - ts.Debug.assert(tokenInfo.token.end === child.end); - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); - return inheritedIndentation; - } - var effectiveParentStartLine = child.kind === 140 ? childStartLine : undecoratedParentStartLine; - var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); - processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); - childContextNode = node; - return inheritedIndentation; - } - function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { - var listStartToken = getOpenTokenForList(parent, nodes); - var listEndToken = getCloseTokenForOpenToken(listStartToken); - var listDynamicIndentation = parentDynamicIndentation; - var startLine = parentStartLine; - if (listStartToken !== 0) { - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.end > nodes.pos) { - break; - } - else if (tokenInfo.token.kind === listStartToken) { - startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; - var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); - listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - else { - consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); - } - } - } - var inheritedIndentation = -1; - for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { - var child = nodes_6[_i]; - inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true); - } - if (listEndToken !== 0) { - if (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - } - } - } - function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { - ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); - var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); - var indentToken = false; - if (currentTokenInfo.leadingTrivia) { - processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); - } - var lineAdded; - var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); - var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); - if (isTokenInRange) { - var rangeHasError = rangeContainsError(currentTokenInfo.token); - var savePreviousRange = previousRange; - lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); - if (rangeHasError) { - indentToken = false; - } - else { - if (lineAdded !== undefined) { - indentToken = lineAdded; - } - else { - var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; - indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; - } - } - } - if (currentTokenInfo.trailingTrivia) { - processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); - } - if (indentToken) { - var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? - dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : - -1; - if (currentTokenInfo.leadingTrivia) { - var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); - var indentNextTokenOrTrivia = true; - for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { - var triviaItem = _a[_i]; - if (!ts.rangeContainsRange(originalRange, triviaItem)) { - continue; - } - switch (triviaItem.kind) { - case 3: - indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); - indentNextTokenOrTrivia = false; - break; - case 2: - if (indentNextTokenOrTrivia) { - insertIndentation(triviaItem.pos, commentIndentation, false); - indentNextTokenOrTrivia = false; - } - break; - case 4: - indentNextTokenOrTrivia = true; - break; - } - } - } - if (tokenIndentation !== -1) { - insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); - lastIndentedLine = tokenStart.line; - indentationOnLastIndentedLine = tokenIndentation; - } - } - formattingScanner.advance(); - childContextNode = parent; - } - } - function processTrivia(trivia, parent, contextNode, dynamicIndentation) { - for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { - var triviaItem = trivia_1[_i]; - if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { - var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); - processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); - } - } - } - function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { - var rangeHasError = rangeContainsError(range); - var lineAdded; - if (!rangeHasError && !previousRangeHasError) { - if (!previousRange) { - var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); - trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); - } - else { - lineAdded = - processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); - } - } - previousRange = range; - previousParent = parent; - previousRangeStartLine = rangeStart.line; - previousRangeHasError = rangeHasError; - return lineAdded; - } - function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { - formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); - var rule = rulesProvider.getRulesMap().GetRule(formattingContext); - var trimTrailingWhitespaces; - var lineAdded; - if (rule) { - applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); - if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { - lineAdded = false; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(false); - } - } - else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { - lineAdded = true; - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(true); - } - } - trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; - } - else { - trimTrailingWhitespaces = true; - } - if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { - trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); - } - return lineAdded; - } - function insertIndentation(pos, indentation, lineAdded) { - var indentationString = getIndentationString(indentation, options); - if (lineAdded) { - recordReplace(pos, 0, indentationString); - } - else { - var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); - if (indentation !== tokenStart.character) { - var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); - recordReplace(startLinePosition, tokenStart.character, indentationString); - } - } - } - function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { - var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; - var parts; - if (startLine === endLine) { - if (!firstLineIsIndented) { - insertIndentation(commentRange.pos, indentation, false); - } - return; - } - else { - parts = []; - var startPos = commentRange.pos; - for (var line = startLine; line < endLine; ++line) { - var endOfLine = ts.getEndLinePosition(line, sourceFile); - parts.push({ pos: startPos, end: endOfLine }); - startPos = ts.getStartPositionOfLine(line + 1, sourceFile); - } - parts.push({ pos: startPos, end: commentRange.end }); - } - var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); - if (indentation === nonWhitespaceColumnInFirstPart.column) { - return; - } - var startIndex = 0; - if (firstLineIsIndented) { - startIndex = 1; - startLine++; - } - var delta = indentation - nonWhitespaceColumnInFirstPart.column; - for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { - var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceCharacterAndColumn = i === 0 - ? nonWhitespaceColumnInFirstPart - : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); - var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; - if (newIndentation > 0) { - var indentationString = getIndentationString(newIndentation, options); - recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); - } - else { - recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); - } - } - } - function trimTrailingWhitespacesForLines(line1, line2, range) { - for (var line = line1; line < line2; ++line) { - var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); - var lineEndPosition = ts.getEndLinePosition(line, sourceFile); - if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { - continue; - } - var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); - if (whitespaceStart !== -1) { - ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); - recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); - } - } - } - function getTrailingWhitespaceStartPosition(start, end) { - var pos = end; - while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos--; - } - if (pos !== end) { - return pos + 1; - } - return -1; - } - function trimTrailingWhitespacesForRemainingRange() { - var startPosition = previousRange ? previousRange.end : originalRange.pos; - var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; - trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); - } - function newTextChange(start, len, newText) { - return { span: ts.createTextSpan(start, len), newText: newText }; - } - function recordDelete(start, len) { - if (len) { - edits.push(newTextChange(start, len, "")); - } - } - function recordReplace(start, len, newText) { - if (len || newText) { - edits.push(newTextChange(start, len, newText)); - } - } - function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { - var between; - switch (rule.Operation.Action) { - case 1: - return; - case 8: - if (previousRange.end !== currentRange.pos) { - recordDelete(previousRange.end, currentRange.pos - previousRange.end); - } - break; - case 4: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var lineDelta = currentStartLine - previousStartLine; - if (lineDelta !== 1) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); - } - break; - case 2: - if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { - return; - } - var posDelta = currentRange.pos - previousRange.end; - if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); - } - break; - } - } - } - function isSomeBlock(kind) { - switch (kind) { - case 195: - case 222: - return true; - } - return false; - } - function getOpenTokenForList(node, list) { - switch (node.kind) { - case 145: - case 216: - case 176: - case 144: - case 143: - case 177: - if (node.typeParameters === list) { - return 25; - } - else if (node.parameters === list) { - return 17; - } - break; - case 171: - case 172: - if (node.typeArguments === list) { - return 25; - } - else if (node.arguments === list) { - return 17; - } - break; - case 152: - if (node.typeArguments === list) { - return 25; - } - } - return 0; - } - function getCloseTokenForOpenToken(kind) { - switch (kind) { - case 17: - return 18; - case 25: - return 27; - } - return 0; - } - var internedSizes; - var internedTabsIndentation; - var internedSpacesIndentation; - function getIndentationString(indentation, options) { - var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); - if (resetInternedStrings) { - internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; - internedTabsIndentation = internedSpacesIndentation = undefined; - } - if (!options.ConvertTabsToSpaces) { - var tabs = Math.floor(indentation / options.TabSize); - var spaces = indentation - tabs * options.TabSize; - var tabString = void 0; - if (!internedTabsIndentation) { - internedTabsIndentation = []; - } - if (internedTabsIndentation[tabs] === undefined) { - internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); - } - else { - tabString = internedTabsIndentation[tabs]; - } - return spaces ? tabString + repeat(" ", spaces) : tabString; - } - else { - var spacesString = void 0; - var quotient = Math.floor(indentation / options.IndentSize); - var remainder = indentation % options.IndentSize; - if (!internedSpacesIndentation) { - internedSpacesIndentation = []; - } - if (internedSpacesIndentation[quotient] === undefined) { - spacesString = repeat(" ", options.IndentSize * quotient); - internedSpacesIndentation[quotient] = spacesString; - } - else { - spacesString = internedSpacesIndentation[quotient]; - } - return remainder ? spacesString + repeat(" ", remainder) : spacesString; - } - function repeat(value, count) { - var s = ""; - for (var i = 0; i < count; ++i) { - s += value; - } - return s; - } - } - formatting.getIndentationString = getIndentationString; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var SmartIndenter; - (function (SmartIndenter) { - function getIndentation(position, sourceFile, options) { - if (position > sourceFile.text.length) { - return 0; - } - if (options.IndentStyle === ts.IndentStyle.None) { - return 0; - } - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken) { - return 0; - } - var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); - if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { - return 0; - } - var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (options.IndentStyle === ts.IndentStyle.Block) { - var current_1 = position; - while (current_1 > 0) { - var char = sourceFile.text.charCodeAt(current_1); - if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { - break; - } - current_1--; - } - var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); - return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); - } - if (precedingToken.kind === 24 && precedingToken.parent.kind !== 184) { - var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } - } - var previous; - var current = precedingToken; - var currentStart; - var indentationDelta; - while (current) { - if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { - currentStart = getStartLineAndCharacterForNode(current, sourceFile); - if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { - indentationDelta = 0; - } - else { - indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; - } - break; - } - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + options.IndentSize; - } - previous = current; - current = current.parent; - } - if (!current) { - return 0; - } - return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); - } - SmartIndenter.getIndentation = getIndentation; - function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { - var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); - } - SmartIndenter.getIndentationForNode = getIndentationForNode; - function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { - var parent = current.parent; - var parentStart; - while (parent) { - var useActualIndentation = true; - if (ignoreActualIndentationRange) { - var start = current.getStart(sourceFile); - useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; - } - if (useActualIndentation) { - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } - } - parentStart = getParentStart(parent, current, sourceFile); - var parentAndChildShareLine = parentStart.line === currentStart.line || - childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); - if (useActualIndentation) { - var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1) { - return actualIndentation + indentationDelta; - } - } - if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { - indentationDelta += options.IndentSize; - } - current = parent; - currentStart = parentStart; - parent = current.parent; - } - return indentationDelta; - } - function getParentStart(parent, child, sourceFile) { - var containingList = getContainingList(child, sourceFile); - if (containingList) { - return sourceFile.getLineAndCharacterOfPosition(containingList.pos); - } - return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); - } - function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { - var commaItemInfo = ts.findListItemInfo(commaToken); - if (commaItemInfo && commaItemInfo.listItemIndex > 0) { - return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); - } - else { - return -1; - } - } - function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { - var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && - (parent.kind === 251 || !parentAndChildShareLine); - if (!useActualIndentation) { - return -1; - } - return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); - } - function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { - var nextToken = ts.findNextToken(precedingToken, current); - if (!nextToken) { - return false; - } - if (nextToken.kind === 15) { - return true; - } - else if (nextToken.kind === 16) { - var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; - return lineAtPosition === nextTokenStartLine; - } - return false; - } - function getStartLineAndCharacterForNode(n, sourceFile) { - return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - } - function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { - if (parent.kind === 199 && parent.elseStatement === child) { - var elseKeyword = ts.findChildOfKind(parent, 80, sourceFile); - ts.Debug.assert(elseKeyword !== undefined); - var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; - return elseKeywordStartLine === childStartLine; - } - return false; - } - SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; - function getContainingList(node, sourceFile) { - if (node.parent) { - switch (node.parent.kind) { - case 152: - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { - return node.parent.typeArguments; - } - break; - case 168: - return node.parent.properties; - case 167: - return node.parent.elements; - case 216: - case 176: - case 177: - case 144: - case 143: - case 148: - case 149: { - var start = node.getStart(sourceFile); - if (node.parent.typeParameters && - ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { - return node.parent.typeParameters; - } - if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { - return node.parent.parameters; - } - break; - } - case 172: - case 171: { - var start = node.getStart(sourceFile); - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { - return node.parent.typeArguments; - } - if (node.parent.arguments && - ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { - return node.parent.arguments; - } - break; - } - } - } - return undefined; - } - function getActualIndentationForListItem(node, sourceFile, options) { - var containingList = getContainingList(node, sourceFile); - return containingList ? getActualIndentationFromList(containingList) : -1; - function getActualIndentationFromList(list) { - var index = ts.indexOf(list, node); - return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; - } - } - function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { - if (node.kind === 18) { - return -1; - } - if (node.parent && (node.parent.kind === 171 || - node.parent.kind === 172) && - node.parent.expression !== node) { - var fullCallOrNewExpression = node.parent.expression; - var startingExpression = getStartingExpression(fullCallOrNewExpression); - if (fullCallOrNewExpression === startingExpression) { - return -1; - } - var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); - var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); - if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { - return -1; - } - return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); - } - return -1; - function getStartingExpression(node) { - while (true) { - switch (node.kind) { - case 171: - case 172: - case 169: - case 170: - node = node.expression; - break; - default: - return node; - } - } - } - } - function deriveActualIndentationFromList(list, index, sourceFile, options) { - ts.Debug.assert(index >= 0 && index < list.length); - var node = list[index]; - var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); - for (var i = index - 1; i >= 0; --i) { - if (list[i].kind === 24) { - continue; - } - var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; - if (prevEndLine !== lineAndCharacter.line) { - return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); - } - lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); - } - return -1; - } - function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { - var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); - return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); - } - function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { - var character = 0; - var column = 0; - for (var pos = startPos; pos < endPos; ++pos) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch)) { - break; - } - if (ch === 9) { - column += options.TabSize + (column % options.TabSize); - } - else { - column++; - } - character++; - } - return { column: column, character: character }; - } - SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; - function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { - return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; - } - SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; - function nodeContentIsAlwaysIndented(kind) { - switch (kind) { - case 198: - case 217: - case 189: - case 218: - case 220: - case 219: - case 167: - case 195: - case 222: - case 168: - case 156: - case 158: - case 223: - case 245: - case 244: - case 175: - case 169: - case 171: - case 172: - case 196: - case 214: - case 230: - case 207: - case 185: - case 165: - case 164: - case 238: - case 237: - case 243: - case 143: - case 148: - case 149: - case 139: - case 153: - case 154: - case 161: - case 173: - case 181: - case 228: - return true; - } - return false; - } - function nodeWillIndentChild(parent, child, indentByDefault) { - var childKind = child ? child.kind : 0; - switch (parent.kind) { - case 200: - case 201: - case 203: - case 204: - case 202: - case 199: - case 216: - case 176: - case 144: - case 177: - case 145: - case 146: - case 147: - return childKind !== 195; - case 236: - return childKind !== 240; - } - return indentByDefault; - } - SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; - function shouldIndentChildNode(parent, child) { - return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); - } - SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; - })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - ts.servicesVersion = "0.4"; - var ScriptSnapshot; - (function (ScriptSnapshot) { - var StringScriptSnapshot = (function () { - function StringScriptSnapshot(text) { - this.text = text; - } - StringScriptSnapshot.prototype.getText = function (start, end) { - return this.text.substring(start, end); - }; - StringScriptSnapshot.prototype.getLength = function () { - return this.text.length; - }; - StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { - return undefined; - }; - return StringScriptSnapshot; - }()); - function fromString(text) { - return new StringScriptSnapshot(text); - } - ScriptSnapshot.fromString = fromString; - })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); - var scanner = ts.createScanner(2, true); - var emptyArray = []; - var jsDocTagNames = [ - "augments", - "author", - "argument", - "borrows", - "class", - "constant", - "constructor", - "constructs", - "default", - "deprecated", - "description", - "event", - "example", - "extends", - "field", - "fileOverview", - "function", - "ignore", - "inner", - "lends", - "link", - "memberOf", - "name", - "namespace", - "param", - "private", - "property", - "public", - "requires", - "returns", - "see", - "since", - "static", - "throws", - "type", - "version" - ]; - var jsDocCompletionEntries; - function createNode(kind, pos, end, flags, parent) { - var node = new NodeObject(kind, pos, end); - node.flags = flags; - node.parent = parent; - return node; - } - var NodeObject = (function () { - function NodeObject(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0; - this.parent = undefined; - } - NodeObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - NodeObject.prototype.getStart = function (sourceFile) { - return ts.getTokenPosOfNode(this, sourceFile); - }; - NodeObject.prototype.getFullStart = function () { - return this.pos; - }; - NodeObject.prototype.getEnd = function () { - return this.end; - }; - NodeObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - NodeObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - NodeObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - NodeObject.prototype.getText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); - }; - NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { - scanner.setTextPos(pos); - while (pos < end) { - var token = scanner.scan(); - var textPos = scanner.getTextPos(); - nodes.push(createNode(token, pos, textPos, 2048, this)); - pos = textPos; - } - return pos; - }; - NodeObject.prototype.createSyntaxList = function (nodes) { - var list = createNode(274, nodes.pos, nodes.end, 2048, this); - list._children = []; - var pos = nodes.pos; - for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { - var node = nodes_7[_i]; - if (pos < node.pos) { - pos = this.addSyntheticNodes(list._children, pos, node.pos); - } - list._children.push(node); - pos = node.end; - } - if (pos < nodes.end) { - this.addSyntheticNodes(list._children, pos, nodes.end); - } - return list; - }; - NodeObject.prototype.createChildren = function (sourceFile) { - var _this = this; - var children; - if (this.kind >= 136) { - scanner.setText((sourceFile || this.getSourceFile()).text); - children = []; - var pos_3 = this.pos; - var processNode = function (node) { - if (pos_3 < node.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); - } - children.push(node); - pos_3 = node.end; - }; - var processNodes = function (nodes) { - if (pos_3 < nodes.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); - } - children.push(_this.createSyntaxList(nodes)); - pos_3 = nodes.end; - }; - ts.forEachChild(this, processNode, processNodes); - if (pos_3 < this.end) { - this.addSyntheticNodes(children, pos_3, this.end); - } - scanner.setText(undefined); - } - this._children = children || emptyArray; - }; - NodeObject.prototype.getChildCount = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children.length; - }; - NodeObject.prototype.getChildAt = function (index, sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children[index]; - }; - NodeObject.prototype.getChildren = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children; - }; - NodeObject.prototype.getFirstToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - if (!children.length) { - return undefined; - } - var child = children[0]; - return child.kind < 136 ? child : child.getFirstToken(sourceFile); - }; - NodeObject.prototype.getLastToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - var child = ts.lastOrUndefined(children); - if (!child) { - return undefined; - } - return child.kind < 136 ? child : child.getLastToken(sourceFile); - }; - return NodeObject; - }()); - var SymbolObject = (function () { - function SymbolObject(flags, name) { - this.flags = flags; - this.name = name; - } - SymbolObject.prototype.getFlags = function () { - return this.flags; - }; - SymbolObject.prototype.getName = function () { - return this.name; - }; - SymbolObject.prototype.getDeclarations = function () { - return this.declarations; - }; - SymbolObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4)); - } - return this.documentationComment; - }; - return SymbolObject; - }()); - function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { - var documentationComment = []; - var docComments = getJsDocCommentsSeparatedByNewLines(); - ts.forEach(docComments, function (docComment) { - if (documentationComment.length) { - documentationComment.push(ts.lineBreakPart()); - } - documentationComment.push(docComment); - }); - return documentationComment; - function getJsDocCommentsSeparatedByNewLines() { - var paramTag = "@param"; - var jsDocCommentParts = []; - ts.forEach(declarations, function (declaration, indexOfDeclaration) { - if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { - var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); - if (canUseParsedParamTagComments && declaration.kind === 139) { - ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedParamJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); - } - }); - } - if (declaration.kind === 221 && declaration.body.kind === 221) { - return; - } - while (declaration.kind === 221 && declaration.parent.kind === 221) { - declaration = declaration.parent; - } - ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedJsDocComment); - } - }); - } - }); - return jsDocCommentParts; - function getJsDocCommentTextRange(node, sourceFile) { - return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { - return { - pos: jsDocComment.pos + "/*".length, - end: jsDocComment.end - "*/".length - }; - }); - } - function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { - if (maxSpacesToRemove !== undefined) { - end = Math.min(end, pos + maxSpacesToRemove); - } - for (; pos < end; pos++) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { - return pos; - } - } - return end; - } - function consumeLineBreaks(pos, end, sourceFile) { - while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function isName(pos, end, sourceFile, name) { - return pos + name.length < end && - sourceFile.text.substr(pos, name.length) === name && - (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || - ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); - } - function isParamTag(pos, end, sourceFile) { - return isName(pos, end, sourceFile, paramTag); - } - function pushDocCommentLineText(docComments, text, blankLineCount) { - while (blankLineCount) { - blankLineCount--; - docComments.push(ts.textPart("")); - } - docComments.push(ts.textPart(text)); - } - function getCleanedJsDocComment(pos, end, sourceFile) { - var spacesToRemoveAfterAsterisk; - var docComments = []; - var blankLineCount = 0; - var isInParamTag = false; - while (pos < end) { - var docCommentTextOfLine = ""; - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); - if (pos < end && sourceFile.text.charCodeAt(pos) === 42) { - var lineStartPos = pos + 1; - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); - if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - spacesToRemoveAfterAsterisk = pos - lineStartPos; - } - } - else if (spacesToRemoveAfterAsterisk === undefined) { - spacesToRemoveAfterAsterisk = 0; - } - while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - var ch = sourceFile.text.charAt(pos); - if (ch === "@") { - if (isParamTag(pos, end, sourceFile)) { - isInParamTag = true; - pos += paramTag.length; - continue; - } - else { - isInParamTag = false; - } - } - if (!isInParamTag) { - docCommentTextOfLine += ch; - } - pos++; - } - pos = consumeLineBreaks(pos, end, sourceFile); - if (docCommentTextOfLine) { - pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); - blankLineCount = 0; - } - else if (!isInParamTag && docComments.length) { - blankLineCount++; - } - } - return docComments; - } - function getCleanedParamJsDocComment(pos, end, sourceFile) { - var paramHelpStringMargin; - var paramDocComments = []; - while (pos < end) { - if (isParamTag(pos, end, sourceFile)) { - var blankLineCount = 0; - var recordedParamTag = false; - pos = consumeWhiteSpaces(pos + paramTag.length); - if (pos >= end) { - break; - } - if (sourceFile.text.charCodeAt(pos) === 123) { - pos++; - for (var curlies = 1; pos < end; pos++) { - var charCode = sourceFile.text.charCodeAt(pos); - if (charCode === 123) { - curlies++; - continue; - } - if (charCode === 125) { - curlies--; - if (curlies === 0) { - pos++; - break; - } - else { - continue; - } - } - if (charCode === 64) { - break; - } - } - pos = consumeWhiteSpaces(pos); - if (pos >= end) { - break; - } - } - if (isName(pos, end, sourceFile, name)) { - pos = consumeWhiteSpaces(pos + name.length); - if (pos >= end) { - break; - } - var paramHelpString = ""; - var firstLineParamHelpStringPos = pos; - while (pos < end) { - var ch = sourceFile.text.charCodeAt(pos); - if (ts.isLineBreak(ch)) { - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - paramHelpString = ""; - blankLineCount = 0; - recordedParamTag = true; - } - else if (recordedParamTag) { - blankLineCount++; - } - setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); - continue; - } - if (ch === 64) { - break; - } - paramHelpString += sourceFile.text.charAt(pos); - pos++; - } - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - } - paramHelpStringMargin = undefined; - } - if (sourceFile.text.charCodeAt(pos) === 64) { - continue; - } - } - pos++; - } - return paramDocComments; - function consumeWhiteSpaces(pos) { - while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { - pos = consumeLineBreaks(pos, end, sourceFile); - if (pos >= end) { - return; - } - if (paramHelpStringMargin === undefined) { - paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; - } - var startOfLinePos = pos; - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); - if (pos >= end) { - return; - } - var consumedSpaces = pos - startOfLinePos; - if (consumedSpaces < paramHelpStringMargin) { - var ch = sourceFile.text.charCodeAt(pos); - if (ch === 42) { - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); - } - } - } - } - } - } - var TypeObject = (function () { - function TypeObject(checker, flags) { - this.checker = checker; - this.flags = flags; - } - TypeObject.prototype.getFlags = function () { - return this.flags; - }; - TypeObject.prototype.getSymbol = function () { - return this.symbol; - }; - TypeObject.prototype.getProperties = function () { - return this.checker.getPropertiesOfType(this); - }; - TypeObject.prototype.getProperty = function (propertyName) { - return this.checker.getPropertyOfType(this, propertyName); - }; - TypeObject.prototype.getApparentProperties = function () { - return this.checker.getAugmentedPropertiesOfType(this); - }; - TypeObject.prototype.getCallSignatures = function () { - return this.checker.getSignaturesOfType(this, 0); - }; - TypeObject.prototype.getConstructSignatures = function () { - return this.checker.getSignaturesOfType(this, 1); - }; - TypeObject.prototype.getStringIndexType = function () { - return this.checker.getIndexTypeOfType(this, 0); - }; - TypeObject.prototype.getNumberIndexType = function () { - return this.checker.getIndexTypeOfType(this, 1); - }; - TypeObject.prototype.getBaseTypes = function () { - return this.flags & (1024 | 2048) - ? this.checker.getBaseTypes(this) - : undefined; - }; - return TypeObject; - }()); - var SignatureObject = (function () { - function SignatureObject(checker) { - this.checker = checker; - } - SignatureObject.prototype.getDeclaration = function () { - return this.declaration; - }; - SignatureObject.prototype.getTypeParameters = function () { - return this.typeParameters; - }; - SignatureObject.prototype.getParameters = function () { - return this.parameters; - }; - SignatureObject.prototype.getReturnType = function () { - return this.checker.getReturnTypeOfSignature(this); - }; - SignatureObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], undefined, false) : []; - } - return this.documentationComment; - }; - return SignatureObject; - }()); - var SourceFileObject = (function (_super) { - __extends(SourceFileObject, _super); - function SourceFileObject(kind, pos, end) { - _super.call(this, kind, pos, end); - } - SourceFileObject.prototype.update = function (newText, textChangeRange) { - return ts.updateSourceFile(this, newText, textChangeRange); - }; - SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { - return ts.getLineAndCharacterOfPosition(this, position); - }; - SourceFileObject.prototype.getLineStarts = function () { - return ts.getLineStarts(this); - }; - SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { - return ts.getPositionOfLineAndCharacter(this, line, character); - }; - SourceFileObject.prototype.getNamedDeclarations = function () { - if (!this.namedDeclarations) { - this.namedDeclarations = this.computeNamedDeclarations(); - } - return this.namedDeclarations; - }; - SourceFileObject.prototype.computeNamedDeclarations = function () { - var result = {}; - ts.forEachChild(this, visit); - return result; - function addDeclaration(declaration) { - var name = getDeclarationName(declaration); - if (name) { - var declarations = getDeclarations(name); - declarations.push(declaration); - } - } - function getDeclarations(name) { - return ts.getProperty(result, name) || (result[name] = []); - } - function getDeclarationName(declaration) { - if (declaration.name) { - var result_3 = getTextOfIdentifierOrLiteral(declaration.name); - if (result_3 !== undefined) { - return result_3; - } - if (declaration.name.kind === 137) { - var expr = declaration.name.expression; - if (expr.kind === 169) { - return expr.name.text; - } - return getTextOfIdentifierOrLiteral(expr); - } - } - return undefined; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 || - node.kind === 9 || - node.kind === 8) { - return node.text; - } - } - return undefined; - } - function visit(node) { - switch (node.kind) { - case 216: - case 144: - case 143: - var functionDeclaration = node; - var declarationName = getDeclarationName(functionDeclaration); - if (declarationName) { - var declarations = getDeclarations(declarationName); - var lastDeclaration = ts.lastOrUndefined(declarations); - if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { - if (functionDeclaration.body && !lastDeclaration.body) { - declarations[declarations.length - 1] = functionDeclaration; - } - } - else { - declarations.push(functionDeclaration); - } - ts.forEachChild(node, visit); - } - break; - case 217: - case 218: - case 219: - case 220: - case 221: - case 224: - case 233: - case 229: - case 224: - case 226: - case 227: - case 146: - case 147: - case 156: - addDeclaration(node); - case 145: - case 196: - case 215: - case 164: - case 165: - case 222: - ts.forEachChild(node, visit); - break; - case 195: - if (ts.isFunctionBlock(node)) { - ts.forEachChild(node, visit); - } - break; - case 139: - if (!(node.flags & 56)) { - break; - } - case 214: - case 166: - if (ts.isBindingPattern(node.name)) { - ts.forEachChild(node.name, visit); - break; - } - case 250: - case 142: - case 141: - addDeclaration(node); - break; - case 231: - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225: - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - addDeclaration(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227) { - addDeclaration(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - } - } - }; - return SourceFileObject; - }(NodeObject)); - var TextChange = (function () { - function TextChange() { - } - return TextChange; - }()); - ts.TextChange = TextChange; - var HighlightSpanKind; - (function (HighlightSpanKind) { - HighlightSpanKind.none = "none"; - HighlightSpanKind.definition = "definition"; - HighlightSpanKind.reference = "reference"; - HighlightSpanKind.writtenReference = "writtenReference"; - })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); - (function (IndentStyle) { - IndentStyle[IndentStyle["None"] = 0] = "None"; - IndentStyle[IndentStyle["Block"] = 1] = "Block"; - IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; - })(ts.IndentStyle || (ts.IndentStyle = {})); - var IndentStyle = ts.IndentStyle; - (function (SymbolDisplayPartKind) { - SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; - SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; - SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; - SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; - SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; - SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; - SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; - })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); - var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; - (function (TokenClass) { - TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; - TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; - TokenClass[TokenClass["Operator"] = 2] = "Operator"; - TokenClass[TokenClass["Comment"] = 3] = "Comment"; - TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; - TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; - TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; - TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; - TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; - })(ts.TokenClass || (ts.TokenClass = {})); - var TokenClass = ts.TokenClass; - var ScriptElementKind; - (function (ScriptElementKind) { - ScriptElementKind.unknown = ""; - ScriptElementKind.warning = "warning"; - ScriptElementKind.keyword = "keyword"; - ScriptElementKind.scriptElement = "script"; - ScriptElementKind.moduleElement = "module"; - ScriptElementKind.classElement = "class"; - ScriptElementKind.localClassElement = "local class"; - ScriptElementKind.interfaceElement = "interface"; - ScriptElementKind.typeElement = "type"; - ScriptElementKind.enumElement = "enum"; - ScriptElementKind.variableElement = "var"; - ScriptElementKind.localVariableElement = "local var"; - ScriptElementKind.functionElement = "function"; - ScriptElementKind.localFunctionElement = "local function"; - ScriptElementKind.memberFunctionElement = "method"; - ScriptElementKind.memberGetAccessorElement = "getter"; - ScriptElementKind.memberSetAccessorElement = "setter"; - ScriptElementKind.memberVariableElement = "property"; - ScriptElementKind.constructorImplementationElement = "constructor"; - ScriptElementKind.callSignatureElement = "call"; - ScriptElementKind.indexSignatureElement = "index"; - ScriptElementKind.constructSignatureElement = "construct"; - ScriptElementKind.parameterElement = "parameter"; - ScriptElementKind.typeParameterElement = "type parameter"; - ScriptElementKind.primitiveType = "primitive type"; - ScriptElementKind.label = "label"; - ScriptElementKind.alias = "alias"; - ScriptElementKind.constElement = "const"; - ScriptElementKind.letElement = "let"; - })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); - var ScriptElementKindModifier; - (function (ScriptElementKindModifier) { - ScriptElementKindModifier.none = ""; - ScriptElementKindModifier.publicMemberModifier = "public"; - ScriptElementKindModifier.privateMemberModifier = "private"; - ScriptElementKindModifier.protectedMemberModifier = "protected"; - ScriptElementKindModifier.exportedModifier = "export"; - ScriptElementKindModifier.ambientModifier = "declare"; - ScriptElementKindModifier.staticModifier = "static"; - ScriptElementKindModifier.abstractModifier = "abstract"; - })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); - var ClassificationTypeNames = (function () { - function ClassificationTypeNames() { - } - ClassificationTypeNames.comment = "comment"; - ClassificationTypeNames.identifier = "identifier"; - ClassificationTypeNames.keyword = "keyword"; - ClassificationTypeNames.numericLiteral = "number"; - ClassificationTypeNames.operator = "operator"; - ClassificationTypeNames.stringLiteral = "string"; - ClassificationTypeNames.whiteSpace = "whitespace"; - ClassificationTypeNames.text = "text"; - ClassificationTypeNames.punctuation = "punctuation"; - ClassificationTypeNames.className = "class name"; - ClassificationTypeNames.enumName = "enum name"; - ClassificationTypeNames.interfaceName = "interface name"; - ClassificationTypeNames.moduleName = "module name"; - ClassificationTypeNames.typeParameterName = "type parameter name"; - ClassificationTypeNames.typeAliasName = "type alias name"; - ClassificationTypeNames.parameterName = "parameter name"; - ClassificationTypeNames.docCommentTagName = "doc comment tag name"; - ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; - ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; - ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; - ClassificationTypeNames.jsxAttribute = "jsx attribute"; - ClassificationTypeNames.jsxText = "jsx text"; - ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; - return ClassificationTypeNames; - }()); - ts.ClassificationTypeNames = ClassificationTypeNames; - function displayPartsToString(displayParts) { - if (displayParts) { - return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); - } - return ""; - } - ts.displayPartsToString = displayPartsToString; - function isLocalVariableOrFunction(symbol) { - if (symbol.parent) { - return false; - } - return ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 176) { - return true; - } - if (declaration.kind !== 214 && declaration.kind !== 216) { - return false; - } - for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { - if (parent_10.kind === 251 || parent_10.kind === 222) { - return false; - } - } - return true; - }); - } - function getDefaultCompilerOptions() { - return { - target: 1, - jsx: 1 - }; - } - ts.getDefaultCompilerOptions = getDefaultCompilerOptions; - var HostCache = (function () { - function HostCache(host, getCanonicalFileName) { - this.host = host; - this.getCanonicalFileName = getCanonicalFileName; - this.currentDirectory = host.getCurrentDirectory(); - this.fileNameToEntry = ts.createFileMap(); - var rootFileNames = host.getScriptFileNames(); - for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { - var fileName = rootFileNames_1[_i]; - this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); - } - this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); - } - HostCache.prototype.compilationSettings = function () { - return this._compilationSettings; - }; - HostCache.prototype.createEntry = function (fileName, path) { - var entry; - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (scriptSnapshot) { - entry = { - hostFileName: fileName, - version: this.host.getScriptVersion(fileName), - scriptSnapshot: scriptSnapshot - }; - } - this.fileNameToEntry.set(path, entry); - return entry; - }; - HostCache.prototype.getEntry = function (path) { - return this.fileNameToEntry.get(path); - }; - HostCache.prototype.contains = function (path) { - return this.fileNameToEntry.contains(path); - }; - HostCache.prototype.getOrCreateEntry = function (fileName) { - var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); - if (this.contains(path)) { - return this.getEntry(path); - } - return this.createEntry(fileName, path); - }; - HostCache.prototype.getRootFileNames = function () { - var fileNames = []; - this.fileNameToEntry.forEachValue(function (path, value) { - if (value) { - fileNames.push(value.hostFileName); - } - }); - return fileNames; - }; - HostCache.prototype.getVersion = function (path) { - var file = this.getEntry(path); - return file && file.version; - }; - HostCache.prototype.getScriptSnapshot = function (path) { - var file = this.getEntry(path); - return file && file.scriptSnapshot; - }; - return HostCache; - }()); - var SyntaxTreeCache = (function () { - function SyntaxTreeCache(host) { - this.host = host; - } - SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (!scriptSnapshot) { - throw new Error("Could not find file: '" + fileName + "'."); - } - var version = this.host.getScriptVersion(fileName); - var sourceFile; - if (this.currentFileName !== fileName) { - sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2, version, true); - } - else if (this.currentFileVersion !== version) { - var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); - sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); - } - if (sourceFile) { - this.currentFileVersion = version; - this.currentFileName = fileName; - this.currentFileScriptSnapshot = scriptSnapshot; - this.currentSourceFile = sourceFile; - } - return this.currentSourceFile; - }; - return SyntaxTreeCache; - }()); - function setSourceFileFields(sourceFile, scriptSnapshot, version) { - sourceFile.version = version; - sourceFile.scriptSnapshot = scriptSnapshot; - } - function transpileModule(input, transpileOptions) { - var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); - options.isolatedModules = true; - options.suppressOutputPathCheck = true; - options.allowNonTsExtensions = true; - options.noLib = true; - options.noResolve = true; - var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); - var sourceFile = ts.createSourceFile(inputFileName, input, options.target); - if (transpileOptions.moduleName) { - sourceFile.moduleName = transpileOptions.moduleName; - } - sourceFile.renamedDependencies = transpileOptions.renamedDependencies; - var newLine = ts.getNewLineCharacter(options); - var outputText; - var sourceMapText; - var compilerHost = { - getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, - writeFile: function (name, text, writeByteOrderMark) { - if (ts.fileExtensionIs(name, ".map")) { - ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); - sourceMapText = text; - } - else { - ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); - outputText = text; - } - }, - getDefaultLibFileName: function () { return "lib.d.ts"; }, - useCaseSensitiveFileNames: function () { return false; }, - getCanonicalFileName: function (fileName) { return fileName; }, - getCurrentDirectory: function () { return ""; }, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return fileName === inputFileName; }, - readFile: function (fileName) { return ""; }, - directoryExists: function (directoryExists) { return true; } - }; - var program = ts.createProgram([inputFileName], options, compilerHost); - var diagnostics; - if (transpileOptions.reportDiagnostics) { - diagnostics = []; - ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); - ts.addRange(diagnostics, program.getOptionsDiagnostics()); - } - program.emit(); - ts.Debug.assert(outputText !== undefined, "Output generation failed"); - return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; - } - ts.transpileModule = transpileModule; - function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { - var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); - ts.addRange(diagnostics, output.diagnostics); - return output.outputText; - } - ts.transpile = transpile; - function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { - var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); - var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); - setSourceFileFields(sourceFile, scriptSnapshot, version); - return sourceFile; - } - ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; - ts.disableIncrementalParsing = false; - function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { - if (textChangeRange) { - if (version !== sourceFile.version) { - if (!ts.disableIncrementalParsing) { - var newText = void 0; - var prefix = textChangeRange.span.start !== 0 - ? sourceFile.text.substr(0, textChangeRange.span.start) - : ""; - var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length - ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) - : ""; - if (textChangeRange.newLength === 0) { - newText = prefix && suffix ? prefix + suffix : prefix || suffix; - } - else { - var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); - newText = prefix && suffix - ? prefix + changedText + suffix - : prefix - ? (prefix + changedText) - : (changedText + suffix); - } - var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - setSourceFileFields(newSourceFile, scriptSnapshot, version); - newSourceFile.nameTable = undefined; - if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { - if (sourceFile.scriptSnapshot.dispose) { - sourceFile.scriptSnapshot.dispose(); - } - sourceFile.scriptSnapshot = undefined; - } - return newSourceFile; - } - } - } - return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true); - } - ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; - function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { - if (currentDirectory === void 0) { currentDirectory = ""; } - var buckets = {}; - var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); - function getKeyFromCompilationSettings(settings) { - return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; - } - function getBucketForCompilationSettings(settings, createIfMissing) { - var key = getKeyFromCompilationSettings(settings); - var bucket = ts.lookUp(buckets, key); - if (!bucket && createIfMissing) { - buckets[key] = bucket = ts.createFileMap(); - } - return bucket; - } - function reportStats() { - var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { - var entries = ts.lookUp(buckets, name); - var sourceFiles = []; - entries.forEachValue(function (key, entry) { - sourceFiles.push({ - name: key, - refCount: entry.languageServiceRefCount, - references: entry.owners.slice(0) - }); - }); - sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); - return { - bucket: name, - sourceFiles: sourceFiles - }; - }); - return JSON.stringify(bucketInfoArray, undefined, 2); - } - function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, true); - } - function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, false); - } - function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { - var bucket = getBucketForCompilationSettings(compilationSettings, true); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - if (!entry) { - ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); - var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false); - entry = { - sourceFile: sourceFile, - languageServiceRefCount: 0, - owners: [] - }; - bucket.set(path, entry); - } - else { - if (entry.sourceFile.version !== version) { - entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); - } - } - if (acquiring) { - entry.languageServiceRefCount++; - } - return entry.sourceFile; - } - function releaseDocument(fileName, compilationSettings) { - var bucket = getBucketForCompilationSettings(compilationSettings, false); - ts.Debug.assert(bucket !== undefined); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - entry.languageServiceRefCount--; - ts.Debug.assert(entry.languageServiceRefCount >= 0); - if (entry.languageServiceRefCount === 0) { - bucket.remove(path); - } - } - return { - acquireDocument: acquireDocument, - updateDocument: updateDocument, - releaseDocument: releaseDocument, - reportStats: reportStats - }; - } - ts.createDocumentRegistry = createDocumentRegistry; - function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { - if (readImportFiles === void 0) { readImportFiles = true; } - if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } - var referencedFiles = []; - var importedFiles = []; - var ambientExternalModules; - var isNoDefaultLib = false; - function processTripleSlashDirectives() { - var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); - ts.forEach(commentRanges, function (commentRange) { - var comment = sourceText.substring(commentRange.pos, commentRange.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); - if (referencePathMatchResult) { - isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var fileReference = referencePathMatchResult.fileReference; - if (fileReference) { - referencedFiles.push(fileReference); - } - } - }); - } - function recordAmbientExternalModule() { - if (!ambientExternalModules) { - ambientExternalModules = []; - } - ambientExternalModules.push(scanner.getTokenValue()); - } - function recordModuleName() { - var importPath = scanner.getTokenValue(); - var pos = scanner.getTokenPos(); - importedFiles.push({ - fileName: importPath, - pos: pos, - end: pos + importPath.length - }); - } - function tryConsumeDeclare() { - var token = scanner.getToken(); - if (token === 122) { - token = scanner.scan(); - if (token === 125) { - token = scanner.scan(); - if (token === 9) { - recordAmbientExternalModule(); - } - } - return true; - } - return false; - } - function tryConsumeImport() { - var token = scanner.getToken(); - if (token === 89) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - return true; - } - else { - if (token === 69 || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - return true; - } - } - else if (token === 56) { - if (tryConsumeRequireCall(true)) { - return true; - } - } - else if (token === 24) { - token = scanner.scan(); - } - else { - return true; - } - } - if (token === 15) { - token = scanner.scan(); - while (token !== 16 && token !== 1) { - token = scanner.scan(); - } - if (token === 16) { - token = scanner.scan(); - if (token === 133) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - } - } - } - } - else if (token === 37) { - token = scanner.scan(); - if (token === 116) { - token = scanner.scan(); - if (token === 69 || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - } - } - } - } - } - } - return true; - } - return false; - } - function tryConsumeExport() { - var token = scanner.getToken(); - if (token === 82) { - token = scanner.scan(); - if (token === 15) { - token = scanner.scan(); - while (token !== 16 && token !== 1) { - token = scanner.scan(); - } - if (token === 16) { - token = scanner.scan(); - if (token === 133) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - } - } - } - } - else if (token === 37) { - token = scanner.scan(); - if (token === 133) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - } - } - } - else if (token === 89) { - token = scanner.scan(); - if (token === 69 || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 56) { - if (tryConsumeRequireCall(true)) { - return true; - } - } - } - } - return true; - } - return false; - } - function tryConsumeRequireCall(skipCurrentToken) { - var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); - if (token === 127) { - token = scanner.scan(); - if (token === 17) { - token = scanner.scan(); - if (token === 9) { - recordModuleName(); - } - } - return true; - } - return false; - } - function tryConsumeDefine() { - var token = scanner.getToken(); - if (token === 69 && scanner.getTokenValue() === "define") { - token = scanner.scan(); - if (token !== 17) { - return true; - } - token = scanner.scan(); - if (token === 9) { - token = scanner.scan(); - if (token === 24) { - token = scanner.scan(); - } - else { - return true; - } - } - if (token !== 19) { - return true; - } - token = scanner.scan(); - var i = 0; - while (token !== 20 && token !== 1) { - if (token === 9) { - recordModuleName(); - i++; - } - token = scanner.scan(); - } - return true; - } - return false; - } - function processImports() { - scanner.setText(sourceText); - scanner.scan(); - while (true) { - if (scanner.getToken() === 1) { - break; - } - if (tryConsumeDeclare() || - tryConsumeImport() || - tryConsumeExport() || - (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { - continue; - } - else { - scanner.scan(); - } - } - scanner.setText(undefined); - } - if (readImportFiles) { - processImports(); - } - processTripleSlashDirectives(); - return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; - } - ts.preProcessFile = preProcessFile; - function getTargetLabel(referenceNode, labelName) { - while (referenceNode) { - if (referenceNode.kind === 210 && referenceNode.label.text === labelName) { - return referenceNode.label; - } - referenceNode = referenceNode.parent; - } - return undefined; - } - function isJumpStatementTarget(node) { - return node.kind === 69 && - (node.parent.kind === 206 || node.parent.kind === 205) && - node.parent.label === node; - } - function isLabelOfLabeledStatement(node) { - return node.kind === 69 && - node.parent.kind === 210 && - node.parent.label === node; - } - function isLabeledBy(node, labelName) { - for (var owner = node.parent; owner.kind === 210; owner = owner.parent) { - if (owner.label.text === labelName) { - return true; - } - } - return false; - } - function isLabelName(node) { - return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); - } - function isRightSideOfQualifiedName(node) { - return node.parent.kind === 136 && node.parent.right === node; - } - function isRightSideOfPropertyAccess(node) { - return node && node.parent && node.parent.kind === 169 && node.parent.name === node; - } - function isCallExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 171 && node.parent.expression === node; - } - function isNewExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 172 && node.parent.expression === node; - } - function isNameOfModuleDeclaration(node) { - return node.parent.kind === 221 && node.parent.name === node; - } - function isNameOfFunctionDeclaration(node) { - return node.kind === 69 && - ts.isFunctionLike(node.parent) && node.parent.name === node; - } - function isNameOfPropertyAssignment(node) { - return (node.kind === 69 || node.kind === 9 || node.kind === 8) && - (node.parent.kind === 248 || node.parent.kind === 249) && node.parent.name === node; - } - function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { - if (node.kind === 9 || node.kind === 8) { - switch (node.parent.kind) { - case 142: - case 141: - case 248: - case 250: - case 144: - case 143: - case 146: - case 147: - case 221: - return node.parent.name === node; - case 170: - return node.parent.argumentExpression === node; - } - } - return false; - } - function isNameOfExternalModuleImportOrDeclaration(node) { - if (node.kind === 9) { - return isNameOfModuleDeclaration(node) || - (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); - } - return false; - } - function isInsideComment(sourceFile, token, position) { - return position <= token.getStart(sourceFile) && - (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || - isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); - function isInsideCommentRange(comments) { - return ts.forEach(comments, function (comment) { - if (comment.pos < position && position < comment.end) { - return true; - } - else if (position === comment.end) { - var text = sourceFile.text; - var width = comment.end - comment.pos; - if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { - return true; - } - else { - return !(text.charCodeAt(comment.end - 1) === 47 && - text.charCodeAt(comment.end - 2) === 42); - } - } - return false; - }); - } - } - var keywordCompletions = []; - for (var i = 70; i <= 135; i++) { - keywordCompletions.push({ - name: ts.tokenToString(i), - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - sortText: "0" - }); - } - function getContainerNode(node) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 251: - case 144: - case 143: - case 216: - case 176: - case 146: - case 147: - case 217: - case 218: - case 220: - case 221: - return node; - } - } - } - ts.getContainerNode = getContainerNode; - function getNodeKind(node) { - switch (node.kind) { - case 221: return ScriptElementKind.moduleElement; - case 217: return ScriptElementKind.classElement; - case 218: return ScriptElementKind.interfaceElement; - case 219: return ScriptElementKind.typeElement; - case 220: return ScriptElementKind.enumElement; - case 214: - return ts.isConst(node) - ? ScriptElementKind.constElement - : ts.isLet(node) - ? ScriptElementKind.letElement - : ScriptElementKind.variableElement; - case 216: return ScriptElementKind.functionElement; - case 146: return ScriptElementKind.memberGetAccessorElement; - case 147: return ScriptElementKind.memberSetAccessorElement; - case 144: - case 143: - return ScriptElementKind.memberFunctionElement; - case 142: - case 141: - return ScriptElementKind.memberVariableElement; - case 150: return ScriptElementKind.indexSignatureElement; - case 149: return ScriptElementKind.constructSignatureElement; - case 148: return ScriptElementKind.callSignatureElement; - case 145: return ScriptElementKind.constructorImplementationElement; - case 138: return ScriptElementKind.typeParameterElement; - case 250: return ScriptElementKind.variableElement; - case 139: return (node.flags & 56) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; - case 224: - case 229: - case 226: - case 233: - case 227: - return ScriptElementKind.alias; - } - return ScriptElementKind.unknown; - } - ts.getNodeKind = getNodeKind; - var CancellationTokenObject = (function () { - function CancellationTokenObject(cancellationToken) { - this.cancellationToken = cancellationToken; - } - CancellationTokenObject.prototype.isCancellationRequested = function () { - return this.cancellationToken && this.cancellationToken.isCancellationRequested(); - }; - CancellationTokenObject.prototype.throwIfCancellationRequested = function () { - if (this.isCancellationRequested()) { - throw new ts.OperationCanceledException(); - } - }; - return CancellationTokenObject; - }()); - function createLanguageService(host, documentRegistry) { - if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - var syntaxTreeCache = new SyntaxTreeCache(host); - var ruleProvider; - var program; - var lastProjectVersion; - var useCaseSensitivefileNames = false; - var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); - var currentDirectory = host.getCurrentDirectory(); - if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { - ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); - } - function log(message) { - if (host.log) { - host.log(message); - } - } - var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); - function getValidSourceFile(fileName) { - var sourceFile = program.getSourceFile(fileName); - if (!sourceFile) { - throw new Error("Could not find file: '" + fileName + "'."); - } - return sourceFile; - } - function getRuleProvider(options) { - if (!ruleProvider) { - ruleProvider = new ts.formatting.RulesProvider(); - } - ruleProvider.ensureUpToDate(options); - return ruleProvider; - } - function synchronizeHostData() { - if (host.getProjectVersion) { - var hostProjectVersion = host.getProjectVersion(); - if (hostProjectVersion) { - if (lastProjectVersion === hostProjectVersion) { - return; - } - lastProjectVersion = hostProjectVersion; - } - } - var hostCache = new HostCache(host, getCanonicalFileName); - if (programUpToDate()) { - return; - } - var oldSettings = program && program.getCompilerOptions(); - var newSettings = hostCache.compilationSettings(); - var changesInCompilationSettingsAffectSyntax = oldSettings && - (oldSettings.target !== newSettings.target || - oldSettings.module !== newSettings.module || - oldSettings.noResolve !== newSettings.noResolve || - oldSettings.jsx !== newSettings.jsx || - oldSettings.allowJs !== newSettings.allowJs); - var compilerHost = { - getSourceFile: getOrCreateSourceFile, - getCancellationToken: function () { return cancellationToken; }, - getCanonicalFileName: getCanonicalFileName, - useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, - getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, - getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function (fileName, data, writeByteOrderMark) { }, - getCurrentDirectory: function () { return currentDirectory; }, - fileExists: function (fileName) { - ts.Debug.assert(!host.resolveModuleNames); - return hostCache.getOrCreateEntry(fileName) !== undefined; - }, - readFile: function (fileName) { - var entry = hostCache.getOrCreateEntry(fileName); - return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); - }, - directoryExists: function (directoryName) { - ts.Debug.assert(!host.resolveModuleNames); - return ts.directoryProbablyExists(directoryName, host); - } - }; - if (host.resolveModuleNames) { - compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; - } - var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); - if (program) { - var oldSourceFiles = program.getSourceFiles(); - for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { - var oldSourceFile = oldSourceFiles_1[_i]; - if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { - documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); - } - } - } - hostCache = undefined; - program = newProgram; - program.getTypeChecker(); - return; - function getOrCreateSourceFile(fileName) { - ts.Debug.assert(hostCache !== undefined); - var hostFileInformation = hostCache.getOrCreateEntry(fileName); - if (!hostFileInformation) { - return undefined; - } - if (!changesInCompilationSettingsAffectSyntax) { - var oldSourceFile = program && program.getSourceFile(fileName); - if (oldSourceFile) { - return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - } - return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - function sourceFileUpToDate(sourceFile) { - if (!sourceFile) { - return false; - } - var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); - return sourceFile.version === hostCache.getVersion(path); - } - function programUpToDate() { - if (!program) { - return false; - } - var rootFileNames = hostCache.getRootFileNames(); - if (program.getSourceFiles().length !== rootFileNames.length) { - return false; - } - for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { - var fileName = rootFileNames_2[_i]; - if (!sourceFileUpToDate(program.getSourceFile(fileName))) { - return false; - } - } - return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); - } - } - function getProgram() { - synchronizeHostData(); - return program; - } - function cleanupSemanticCache() { - } - function dispose() { - if (program) { - ts.forEach(program.getSourceFiles(), function (f) { - return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); - }); - } - } - function getSyntacticDiagnostics(fileName) { - synchronizeHostData(); - return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); - } - function getSemanticDiagnostics(fileName) { - synchronizeHostData(); - var targetSourceFile = getValidSourceFile(fileName); - var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); - if (!program.getCompilerOptions().declaration) { - return semanticDiagnostics; - } - var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); - return ts.concatenate(semanticDiagnostics, declarationDiagnostics); - } - function getCompilerOptionsDiagnostics() { - synchronizeHostData(); - return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); - } - function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { - var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); - if (displayName) { - var firstCharCode = displayName.charCodeAt(0); - if ((symbol.flags & 1536) && (firstCharCode === 39 || firstCharCode === 34)) { - return undefined; - } - } - return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); - } - function getCompletionEntryDisplayName(name, target, performCharacterChecks) { - if (!name) { - return undefined; - } - name = ts.stripQuotes(name); - if (!name) { - return undefined; - } - if (performCharacterChecks) { - if (!ts.isIdentifier(name, target)) { - return undefined; - } - } - return name; - } - function getCompletionData(fileName, position) { - var typeChecker = program.getTypeChecker(); - var sourceFile = getValidSourceFile(fileName); - var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); - var isJsDocTagName = false; - var start = new Date().getTime(); - var currentToken = ts.getTokenAtPosition(sourceFile, position); - log("getCompletionData: Get current token: " + (new Date().getTime() - start)); - start = new Date().getTime(); - var insideComment = isInsideComment(sourceFile, currentToken, position); - log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); - if (insideComment) { - if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { - isJsDocTagName = true; - } - var insideJsDocTagExpression = false; - var tag = ts.getJsDocTagAtPosition(sourceFile, position); - if (tag) { - if (tag.tagName.pos <= position && position <= tag.tagName.end) { - isJsDocTagName = true; - } - switch (tag.kind) { - case 272: - case 270: - case 271: - var tagWithExpression = tag; - if (tagWithExpression.typeExpression) { - insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; - } - break; - } - } - if (isJsDocTagName) { - return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; - } - if (!insideJsDocTagExpression) { - log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); - return undefined; - } - } - start = new Date().getTime(); - var previousToken = ts.findPrecedingToken(position, sourceFile); - log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); - var contextToken = previousToken; - if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { - var start_6 = new Date().getTime(); - contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); - log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); - } - var node = currentToken; - var isRightOfDot = false; - var isRightOfOpenTag = false; - var isStartingCloseTag = false; - var location = ts.getTouchingPropertyName(sourceFile, position); - if (contextToken) { - if (isCompletionListBlocker(contextToken)) { - log("Returning an empty list because completion was requested in an invalid position."); - return undefined; - } - var parent_11 = contextToken.parent, kind = contextToken.kind; - if (kind === 21) { - if (parent_11.kind === 169) { - node = contextToken.parent.expression; - isRightOfDot = true; - } - else if (parent_11.kind === 136) { - node = contextToken.parent.left; - isRightOfDot = true; - } - else { - return undefined; - } - } - else if (sourceFile.languageVariant === 1) { - if (kind === 25) { - isRightOfOpenTag = true; - location = contextToken; - } - else if (kind === 39 && contextToken.parent.kind === 240) { - isStartingCloseTag = true; - location = contextToken; - } - } - } - var semanticStart = new Date().getTime(); - var isMemberCompletion; - var isNewIdentifierLocation; - var symbols = []; - if (isRightOfDot) { - getTypeScriptMemberSymbols(); - } - else if (isRightOfOpenTag) { - var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); - if (tryGetGlobalSymbols()) { - symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455); })); - } - else { - symbols = tagSymbols; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else if (isStartingCloseTag) { - var tagName = contextToken.parent.parent.openingElement.tagName; - var tagSymbol = typeChecker.getSymbolAtLocation(tagName); - if (!typeChecker.isUnknownSymbol(tagSymbol)) { - symbols = [tagSymbol]; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else { - if (!tryGetGlobalSymbols()) { - return undefined; - } - } - log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); - return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; - function getTypeScriptMemberSymbols() { - isMemberCompletion = true; - isNewIdentifierLocation = false; - if (node.kind === 69 || node.kind === 136 || node.kind === 169) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol && symbol.flags & 8388608) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - if (symbol && symbol.flags & 1952) { - var exportedSymbols = typeChecker.getExportsOfModule(symbol); - ts.forEach(exportedSymbols, function (symbol) { - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - }); - } - } - var type = typeChecker.getTypeAtLocation(node); - addTypeProperties(type); - } - function addTypeProperties(type) { - if (type) { - for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { - var symbol = _a[_i]; - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - } - if (isJavaScriptFile && type.flags & 16384) { - var unionType = type; - for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { - var elementType = _c[_b]; - addTypeProperties(elementType); - } - } - } - } - function tryGetGlobalSymbols() { - var objectLikeContainer; - var namedImportsOrExports; - var jsxContainer; - if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { - return tryGetObjectLikeCompletionSymbols(objectLikeContainer); - } - if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { - return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); - } - if (jsxContainer = tryGetContainingJsxElement(contextToken)) { - var attrsType = void 0; - if ((jsxContainer.kind === 237) || (jsxContainer.kind === 238)) { - attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); - if (attrsType) { - symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); - isMemberCompletion = true; - isNewIdentifierLocation = false; - return true; - } - } - } - isMemberCompletion = false; - isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); - if (previousToken !== contextToken) { - ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); - } - var adjustedPosition = previousToken !== contextToken ? - previousToken.getStart() : - position; - var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; - var symbolMeanings = 793056 | 107455 | 1536 | 8388608; - symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); - return true; - } - function getScopeNode(initialToken, position, sourceFile) { - var scope = initialToken; - while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { - scope = scope.parent; - } - return scope; - } - function isCompletionListBlocker(contextToken) { - var start = new Date().getTime(); - var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || - isSolelyIdentifierDefinitionLocation(contextToken) || - isDotOfNumericLiteral(contextToken) || - isInJsxText(contextToken); - log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); - return result; - } - function isInJsxText(contextToken) { - if (contextToken.kind === 239) { - return true; - } - if (contextToken.kind === 27 && contextToken.parent) { - if (contextToken.parent.kind === 238) { - return true; - } - if (contextToken.parent.kind === 240 || contextToken.parent.kind === 237) { - return contextToken.parent.parent && contextToken.parent.parent.kind === 236; - } - } - return false; - } - function isNewIdentifierDefinitionLocation(previousToken) { - if (previousToken) { - var containingNodeKind = previousToken.parent.kind; - switch (previousToken.kind) { - case 24: - return containingNodeKind === 171 - || containingNodeKind === 145 - || containingNodeKind === 172 - || containingNodeKind === 167 - || containingNodeKind === 184 - || containingNodeKind === 153; - case 17: - return containingNodeKind === 171 - || containingNodeKind === 145 - || containingNodeKind === 172 - || containingNodeKind === 175 - || containingNodeKind === 161; - case 19: - return containingNodeKind === 167 - || containingNodeKind === 150 - || containingNodeKind === 137; - case 125: - case 126: - return true; - case 21: - return containingNodeKind === 221; - case 15: - return containingNodeKind === 217; - case 56: - return containingNodeKind === 214 - || containingNodeKind === 184; - case 12: - return containingNodeKind === 186; - case 13: - return containingNodeKind === 193; - case 112: - case 110: - case 111: - return containingNodeKind === 142; - } - switch (previousToken.getText()) { - case "public": - case "protected": - case "private": - return true; - } - } - return false; - } - function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { - if (contextToken.kind === 9 - || contextToken.kind === 163 - || contextToken.kind === 10 - || ts.isTemplateLiteralKind(contextToken.kind)) { - var start_7 = contextToken.getStart(); - var end = contextToken.getEnd(); - if (start_7 < position && position < end) { - return true; - } - if (position === end) { - return !!contextToken.isUnterminated - || contextToken.kind === 10; - } - } - return false; - } - function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { - isMemberCompletion = true; - var typeForObject; - var existingMembers; - if (objectLikeContainer.kind === 168) { - isNewIdentifierLocation = true; - typeForObject = typeChecker.getContextualType(objectLikeContainer); - existingMembers = objectLikeContainer.properties; - } - else if (objectLikeContainer.kind === 164) { - isNewIdentifierLocation = false; - var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); - if (ts.isVariableLike(rootDeclaration)) { - if (rootDeclaration.initializer || rootDeclaration.type) { - typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); - existingMembers = objectLikeContainer.elements; - } - } - else { - ts.Debug.fail("Root declaration is not variable-like."); - } - } - else { - ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); - } - if (!typeForObject) { - return false; - } - var typeMembers = typeChecker.getPropertiesOfType(typeForObject); - if (typeMembers && typeMembers.length > 0) { - symbols = filterObjectMembersList(typeMembers, existingMembers); - } - return true; - } - function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { - var declarationKind = namedImportsOrExports.kind === 228 ? - 225 : - 231; - var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); - var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; - if (!moduleSpecifier) { - return false; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - var exports; - var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); - if (moduleSpecifierSymbol) { - exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); - } - symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; - return true; - } - function tryGetObjectLikeCompletionContainer(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15: - case 24: - var parent_12 = contextToken.parent; - if (parent_12 && (parent_12.kind === 168 || parent_12.kind === 164)) { - return parent_12; - } - break; - } - } - return undefined; - } - function tryGetNamedImportsOrExportsForCompletion(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15: - case 24: - switch (contextToken.parent.kind) { - case 228: - case 232: - return contextToken.parent; - } - } - } - return undefined; - } - function tryGetContainingJsxElement(contextToken) { - if (contextToken) { - var parent_13 = contextToken.parent; - switch (contextToken.kind) { - case 26: - case 39: - case 69: - case 241: - case 242: - if (parent_13 && (parent_13.kind === 237 || parent_13.kind === 238)) { - return parent_13; - } - else if (parent_13.kind === 241) { - return parent_13.parent; - } - break; - case 9: - if (parent_13 && ((parent_13.kind === 241) || (parent_13.kind === 242))) { - return parent_13.parent; - } - break; - case 16: - if (parent_13 && - parent_13.kind === 243 && - parent_13.parent && - (parent_13.parent.kind === 241)) { - return parent_13.parent.parent; - } - if (parent_13 && parent_13.kind === 242) { - return parent_13.parent; - } - break; - } - } - return undefined; - } - function isFunction(kind) { - switch (kind) { - case 176: - case 177: - case 216: - case 144: - case 143: - case 146: - case 147: - case 148: - case 149: - case 150: - return true; - } - return false; - } - function isSolelyIdentifierDefinitionLocation(contextToken) { - var containingNodeKind = contextToken.parent.kind; - switch (contextToken.kind) { - case 24: - return containingNodeKind === 214 || - containingNodeKind === 215 || - containingNodeKind === 196 || - containingNodeKind === 220 || - isFunction(containingNodeKind) || - containingNodeKind === 217 || - containingNodeKind === 189 || - containingNodeKind === 218 || - containingNodeKind === 165 || - containingNodeKind === 219; - case 21: - return containingNodeKind === 165; - case 54: - return containingNodeKind === 166; - case 19: - return containingNodeKind === 165; - case 17: - return containingNodeKind === 247 || - isFunction(containingNodeKind); - case 15: - return containingNodeKind === 220 || - containingNodeKind === 218 || - containingNodeKind === 156; - case 23: - return containingNodeKind === 141 && - contextToken.parent && contextToken.parent.parent && - (contextToken.parent.parent.kind === 218 || - contextToken.parent.parent.kind === 156); - case 25: - return containingNodeKind === 217 || - containingNodeKind === 189 || - containingNodeKind === 218 || - containingNodeKind === 219 || - isFunction(containingNodeKind); - case 113: - return containingNodeKind === 142; - case 22: - return containingNodeKind === 139 || - (contextToken.parent && contextToken.parent.parent && - contextToken.parent.parent.kind === 165); - case 112: - case 110: - case 111: - return containingNodeKind === 139; - case 116: - return containingNodeKind === 229 || - containingNodeKind === 233 || - containingNodeKind === 227; - case 73: - case 81: - case 107: - case 87: - case 102: - case 123: - case 129: - case 89: - case 108: - case 74: - case 114: - case 132: - return true; - } - switch (contextToken.getText()) { - case "abstract": - case "async": - case "class": - case "const": - case "declare": - case "enum": - case "function": - case "interface": - case "let": - case "private": - case "protected": - case "public": - case "static": - case "var": - case "yield": - return true; - } - return false; - } - function isDotOfNumericLiteral(contextToken) { - if (contextToken.kind === 8) { - var text = contextToken.getFullText(); - return text.charAt(text.length - 1) === "."; - } - return false; - } - function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { - var exisingImportsOrExports = {}; - for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { - var element = namedImportsOrExports_1[_i]; - if (element.getStart() <= position && position <= element.getEnd()) { - continue; - } - var name_35 = element.propertyName || element.name; - exisingImportsOrExports[name_35.text] = true; - } - if (ts.isEmpty(exisingImportsOrExports)) { - return exportsOfModule; - } - return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); - } - function filterObjectMembersList(contextualMemberSymbols, existingMembers) { - if (!existingMembers || existingMembers.length === 0) { - return contextualMemberSymbols; - } - var existingMemberNames = {}; - for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { - var m = existingMembers_1[_i]; - if (m.kind !== 248 && - m.kind !== 249 && - m.kind !== 166 && - m.kind !== 144) { - continue; - } - if (m.getStart() <= position && position <= m.getEnd()) { - continue; - } - var existingName = void 0; - if (m.kind === 166 && m.propertyName) { - if (m.propertyName.kind === 69) { - existingName = m.propertyName.text; - } - } - else { - existingName = m.name.text; - } - existingMemberNames[existingName] = true; - } - return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); - } - function filterJsxAttributes(symbols, attributes) { - var seenNames = {}; - for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { - var attr = attributes_1[_i]; - if (attr.getStart() <= position && position <= attr.getEnd()) { - continue; - } - if (attr.kind === 241) { - seenNames[attr.name.text] = true; - } - } - return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); - } - } - function getCompletionsAtPosition(fileName, position) { - synchronizeHostData(); - var completionData = getCompletionData(fileName, position); - if (!completionData) { - return undefined; - } - var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; - if (isJsDocTagName) { - return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; - } - var sourceFile = getValidSourceFile(fileName); - var entries = []; - if (ts.isSourceFileJavaScript(sourceFile)) { - var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); - ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); - } - else { - if (!symbols || symbols.length === 0) { - if (sourceFile.languageVariant === 1 && - location.parent && location.parent.kind === 240) { - var tagName = location.parent.parent.openingElement.tagName; - entries.push({ - name: tagName.text, - kind: undefined, - kindModifiers: undefined, - sortText: "0" - }); - } - else { - return undefined; - } - } - getCompletionEntriesFromSymbols(symbols, entries); - } - if (!isMemberCompletion && !isJsDocTagName) { - ts.addRange(entries, keywordCompletions); - } - return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; - function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { - var entries = []; - var target = program.getCompilerOptions().target; - var nameTable = getNameTable(sourceFile); - for (var name_36 in nameTable) { - if (nameTable[name_36] === position) { - continue; - } - if (!uniqueNames[name_36]) { - uniqueNames[name_36] = name_36; - var displayName = getCompletionEntryDisplayName(name_36, target, true); - if (displayName) { - var entry = { - name: displayName, - kind: ScriptElementKind.warning, - kindModifiers: "", - sortText: "1" - }; - entries.push(entry); - } - } - } - return entries; - } - function getAllJsDocCompletionEntries() { - return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { - return { - name: tagName, - kind: ScriptElementKind.keyword, - kindModifiers: "", - sortText: "0" - }; - })); - } - function createCompletionEntry(symbol, location) { - var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, true, location); - if (!displayName) { - return undefined; - } - return { - name: displayName, - kind: getSymbolKind(symbol, location), - kindModifiers: getSymbolModifiers(symbol), - sortText: "0" - }; - } - function getCompletionEntriesFromSymbols(symbols, entries) { - var start = new Date().getTime(); - var uniqueNames = {}; - if (symbols) { - for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { - var symbol = symbols_4[_i]; - var entry = createCompletionEntry(symbol, location); - if (entry) { - var id = ts.escapeIdentifier(entry.name); - if (!ts.lookUp(uniqueNames, id)) { - entries.push(entry); - uniqueNames[id] = id; - } - } - } - } - log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); - return uniqueNames; - } - } - function getCompletionEntryDetails(fileName, position, entryName) { - synchronizeHostData(); - var completionData = getCompletionData(fileName, position); - if (completionData) { - var symbols = completionData.symbols, location_2 = completionData.location; - var target_2 = program.getCompilerOptions().target; - var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, false, location_2) === entryName ? s : undefined; }); - if (symbol) { - var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; - return { - name: entryName, - kindModifiers: getSymbolModifiers(symbol), - kind: symbolKind, - displayParts: displayParts, - documentation: documentation - }; - } - } - var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); - if (keywordCompletion) { - return { - name: entryName, - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], - documentation: undefined - }; - } - return undefined; - } - function getSymbolKind(symbol, location) { - var flags = symbol.getFlags(); - if (flags & 32) - return ts.getDeclarationOfKind(symbol, 189) ? - ScriptElementKind.localClassElement : ScriptElementKind.classElement; - if (flags & 384) - return ScriptElementKind.enumElement; - if (flags & 524288) - return ScriptElementKind.typeElement; - if (flags & 64) - return ScriptElementKind.interfaceElement; - if (flags & 262144) - return ScriptElementKind.typeParameterElement; - var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); - if (result === ScriptElementKind.unknown) { - if (flags & 262144) - return ScriptElementKind.typeParameterElement; - if (flags & 8) - return ScriptElementKind.variableElement; - if (flags & 8388608) - return ScriptElementKind.alias; - if (flags & 1536) - return ScriptElementKind.moduleElement; - } - return result; - } - function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { - var typeChecker = program.getTypeChecker(); - if (typeChecker.isUndefinedSymbol(symbol)) { - return ScriptElementKind.variableElement; - } - if (typeChecker.isArgumentsSymbol(symbol)) { - return ScriptElementKind.localVariableElement; - } - if (flags & 3) { - if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { - return ScriptElementKind.parameterElement; - } - else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { - return ScriptElementKind.constElement; - } - else if (ts.forEach(symbol.declarations, ts.isLet)) { - return ScriptElementKind.letElement; - } - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; - } - if (flags & 16) - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; - if (flags & 32768) - return ScriptElementKind.memberGetAccessorElement; - if (flags & 65536) - return ScriptElementKind.memberSetAccessorElement; - if (flags & 8192) - return ScriptElementKind.memberFunctionElement; - if (flags & 16384) - return ScriptElementKind.constructorImplementationElement; - if (flags & 4) { - if (flags & 268435456) { - var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - var rootSymbolFlags = rootSymbol.getFlags(); - if (rootSymbolFlags & (98308 | 3)) { - return ScriptElementKind.memberVariableElement; - } - ts.Debug.assert(!!(rootSymbolFlags & 8192)); - }); - if (!unionPropertyKind) { - var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (typeOfUnionProperty.getCallSignatures().length) { - return ScriptElementKind.memberFunctionElement; - } - return ScriptElementKind.memberVariableElement; - } - return unionPropertyKind; - } - return ScriptElementKind.memberVariableElement; - } - return ScriptElementKind.unknown; - } - function getSymbolModifiers(symbol) { - return symbol && symbol.declarations && symbol.declarations.length > 0 - ? ts.getNodeModifiers(symbol.declarations[0]) - : ScriptElementKindModifier.none; - } - function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { - if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } - var typeChecker = program.getTypeChecker(); - var displayParts = []; - var documentation; - var symbolFlags = symbol.flags; - var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); - var hasAddedSymbolInfo; - var type; - if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { - if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { - symbolKind = ScriptElementKind.memberVariableElement; - } - var signature = void 0; - type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (type) { - if (location.parent && location.parent.kind === 169) { - var right = location.parent.name; - if (right === location || (right && right.getFullWidth() === 0)) { - location = location.parent; - } - } - var callExpression = void 0; - if (location.kind === 171 || location.kind === 172) { - callExpression = location; - } - else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { - callExpression = location.parent; - } - if (callExpression) { - var candidateSignatures = []; - signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); - if (!signature && candidateSignatures.length) { - signature = candidateSignatures[0]; - } - var useConstructSignatures = callExpression.kind === 172 || callExpression.expression.kind === 95; - var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); - if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { - signature = allSignatures.length ? allSignatures[0] : undefined; - } - if (signature) { - if (useConstructSignatures && (symbolFlags & 32)) { - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else if (symbolFlags & 8388608) { - symbolKind = ScriptElementKind.alias; - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92)); - displayParts.push(ts.spacePart()); - } - addFullSymbolName(symbol); - } - else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - } - switch (symbolKind) { - case ScriptElementKind.memberVariableElement: - case ScriptElementKind.variableElement: - case ScriptElementKind.constElement: - case ScriptElementKind.letElement: - case ScriptElementKind.parameterElement: - case ScriptElementKind.localVariableElement: - displayParts.push(ts.punctuationPart(54)); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92)); - displayParts.push(ts.spacePart()); - } - if (!(type.flags & 65536)) { - ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); - } - addSignatureDisplayParts(signature, allSignatures, 8); - break; - default: - addSignatureDisplayParts(signature, allSignatures); - } - hasAddedSymbolInfo = true; - } - } - else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || - (location.kind === 121 && location.parent.kind === 145)) { - var functionDeclaration = location.parent; - var allSignatures = functionDeclaration.kind === 145 ? type.getConstructSignatures() : type.getCallSignatures(); - if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { - signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); - } - else { - signature = allSignatures[0]; - } - if (functionDeclaration.kind === 145) { - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else { - addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 && - !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); - } - addSignatureDisplayParts(signature, allSignatures); - hasAddedSymbolInfo = true; - } - } - } - if (symbolFlags & 32 && !hasAddedSymbolInfo) { - if (ts.getDeclarationOfKind(symbol, 189)) { - pushTypePart(ScriptElementKind.localClassElement); - } - else { - displayParts.push(ts.keywordPart(73)); - } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if ((symbolFlags & 64) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(107)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if (symbolFlags & 524288) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(132)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56)); - displayParts.push(ts.spacePart()); - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); - } - if (symbolFlags & 384) { - addNewLineIfDisplayPartsExist(); - if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { - displayParts.push(ts.keywordPart(74)); - displayParts.push(ts.spacePart()); - } - displayParts.push(ts.keywordPart(81)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if (symbolFlags & 1536) { - addNewLineIfDisplayPartsExist(); - var declaration = ts.getDeclarationOfKind(symbol, 221); - var isNamespace = declaration && declaration.name && declaration.name.kind === 69; - displayParts.push(ts.keywordPart(isNamespace ? 126 : 125)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if ((symbolFlags & 262144) && (semanticMeaning & 2)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.punctuationPart(17)); - displayParts.push(ts.textPart("type parameter")); - displayParts.push(ts.punctuationPart(18)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(90)); - displayParts.push(ts.spacePart()); - if (symbol.parent) { - addFullSymbolName(symbol.parent, enclosingDeclaration); - writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); - } - else { - var declaration = ts.getDeclarationOfKind(symbol, 138); - ts.Debug.assert(declaration !== undefined); - declaration = declaration.parent; - if (declaration) { - if (ts.isFunctionLikeKind(declaration.kind)) { - var signature = typeChecker.getSignatureFromDeclaration(declaration); - if (declaration.kind === 149) { - displayParts.push(ts.keywordPart(92)); - displayParts.push(ts.spacePart()); - } - else if (declaration.kind !== 148 && declaration.name) { - addFullSymbolName(declaration.symbol); - } - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); - } - else { - displayParts.push(ts.keywordPart(132)); - displayParts.push(ts.spacePart()); - addFullSymbolName(declaration.symbol); - writeTypeParametersOfSymbol(declaration.symbol, sourceFile); - } - } - } - } - if (symbolFlags & 8) { - addPrefixForAnyFunctionOrVar(symbol, "enum member"); - var declaration = symbol.declarations[0]; - if (declaration.kind === 250) { - var constantValue = typeChecker.getConstantValue(declaration); - if (constantValue !== undefined) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); - } - } - } - if (symbolFlags & 8388608) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(89)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 224) { - var importEqualsDeclaration = declaration; - if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(127)); - displayParts.push(ts.punctuationPart(17)); - displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); - displayParts.push(ts.punctuationPart(18)); - } - else { - var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); - if (internalAliasSymbol) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56)); - displayParts.push(ts.spacePart()); - addFullSymbolName(internalAliasSymbol, enclosingDeclaration); - } - } - return true; - } - }); - } - if (!hasAddedSymbolInfo) { - if (symbolKind !== ScriptElementKind.unknown) { - if (type) { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - if (symbolKind === ScriptElementKind.memberVariableElement || - symbolFlags & 3 || - symbolKind === ScriptElementKind.localVariableElement) { - displayParts.push(ts.punctuationPart(54)); - displayParts.push(ts.spacePart()); - if (type.symbol && type.symbol.flags & 262144) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - else { - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); - } - } - else if (symbolFlags & 16 || - symbolFlags & 8192 || - symbolFlags & 16384 || - symbolFlags & 131072 || - symbolFlags & 98304 || - symbolKind === ScriptElementKind.memberFunctionElement) { - var allSignatures = type.getCallSignatures(); - addSignatureDisplayParts(allSignatures[0], allSignatures); - } - } - } - else { - symbolKind = getSymbolKind(symbol, location); - } - } - if (!documentation) { - documentation = symbol.getDocumentationComment(); - } - return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; - function addNewLineIfDisplayPartsExist() { - if (displayParts.length) { - displayParts.push(ts.lineBreakPart()); - } - } - function addFullSymbolName(symbol, enclosingDeclaration) { - var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); - ts.addRange(displayParts, fullSymbolDisplayParts); - } - function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { - addNewLineIfDisplayPartsExist(); - if (symbolKind) { - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - } - function pushTypePart(symbolKind) { - switch (symbolKind) { - case ScriptElementKind.variableElement: - case ScriptElementKind.functionElement: - case ScriptElementKind.letElement: - case ScriptElementKind.constElement: - case ScriptElementKind.constructorImplementationElement: - displayParts.push(ts.textOrKeywordPart(symbolKind)); - return; - default: - displayParts.push(ts.punctuationPart(17)); - displayParts.push(ts.textOrKeywordPart(symbolKind)); - displayParts.push(ts.punctuationPart(18)); - return; - } - } - function addSignatureDisplayParts(signature, allSignatures, flags) { - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); - if (allSignatures.length > 1) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.punctuationPart(17)); - displayParts.push(ts.operatorPart(35)); - displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); - displayParts.push(ts.punctuationPart(18)); - } - documentation = signature.getDocumentationComment(); - } - function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - } - function getQuickInfoAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (isLabelName(node)) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol || typeChecker.isUnknownSymbol(symbol)) { - switch (node.kind) { - case 69: - case 169: - case 136: - case 97: - case 162: - case 95: - var type = typeChecker.getTypeAtLocation(node); - if (type) { - return { - kind: ScriptElementKind.unknown, - kindModifiers: ScriptElementKindModifier.none, - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), - documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined - }; - } - } - return undefined; - } - var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); - return { - kind: displayPartsDocumentationsAndKind.symbolKind, - kindModifiers: getSymbolModifiers(symbol), - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: displayPartsDocumentationsAndKind.displayParts, - documentation: displayPartsDocumentationsAndKind.documentation - }; - } - function createDefinitionInfo(node, symbolKind, symbolName, containerName) { - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), - kind: symbolKind, - name: symbolName, - containerKind: undefined, - containerName: containerName - }; - } - function getDefinitionFromSymbol(symbol, node) { - var typeChecker = program.getTypeChecker(); - var result = []; - var declarations = symbol.getDeclarations(); - var symbolName = typeChecker.symbolToString(symbol); - var symbolKind = getSymbolKind(symbol, node); - var containerSymbol = symbol.parent; - var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; - if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && - !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { - ts.forEach(declarations, function (declaration) { - result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); - }); - } - return result; - function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (isNewExpressionTarget(location) || location.kind === 121) { - if (symbol.flags & 32) { - for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.isClassLike(declaration)) { - return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); - } - } - ts.Debug.fail("Expected declaration to have at least one class-like declaration"); - } - } - return false; - } - function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { - return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); - } - return false; - } - function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { - var declarations = []; - var definition; - ts.forEach(signatureDeclarations, function (d) { - if ((selectConstructors && d.kind === 145) || - (!selectConstructors && (d.kind === 216 || d.kind === 144 || d.kind === 143))) { - declarations.push(d); - if (d.body) - definition = d; - } - }); - if (definition) { - result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); - return true; - } - else if (declarations.length) { - result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); - return true; - } - return false; - } - } - function getDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (isJumpStatementTarget(node)) { - var labelName = node.text; - var label = getTargetLabel(node.parent, node.text); - return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, undefined)] : undefined; - } - var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); - if (comment) { - var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); - if (referenceFile) { - return [{ - fileName: referenceFile.fileName, - textSpan: ts.createTextSpanFromBounds(0, 0), - kind: ScriptElementKind.scriptElement, - name: comment.fileName, - containerName: undefined, - containerKind: undefined - }]; - } - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - if (symbol.flags & 8388608) { - var declaration = symbol.declarations[0]; - if (node.kind === 69 && node.parent === declaration) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - } - if (node.parent.kind === 249) { - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); - if (!shorthandSymbol) { - return []; - } - var shorthandDeclarations = shorthandSymbol.getDeclarations(); - var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); - var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); - var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); - return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); - } - return getDefinitionFromSymbol(symbol, node); - } - function getTypeDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); - if (!type) { - return undefined; - } - if (type.flags & 16384) { - var result_4 = []; - ts.forEach(type.types, function (t) { - if (t.symbol) { - ts.addRange(result_4, getDefinitionFromSymbol(t.symbol, node)); - } - }); - return result_4; - } - if (!type.symbol) { - return undefined; - } - return getDefinitionFromSymbol(type.symbol, node); - } - function getOccurrencesAtPosition(fileName, position) { - var results = getOccurrencesAtPositionCore(fileName, position); - if (results) { - var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); - results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); - } - return results; - } - function getDocumentHighlights(fileName, position, filesToSearch) { - synchronizeHostData(); - filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); - var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingWord(sourceFile, position); - if (!node) { - return undefined; - } - return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); - function getHighlightSpanForNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - return { - fileName: sourceFile.fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - kind: HighlightSpanKind.none - }; - } - function getSemanticDocumentHighlights(node) { - if (node.kind === 69 || - node.kind === 97 || - node.kind === 162 || - node.kind === 95 || - isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, false, false); - return convertReferencedSymbols(referencedSymbols); - } - return undefined; - function convertReferencedSymbols(referencedSymbols) { - if (!referencedSymbols) { - return undefined; - } - var fileNameToDocumentHighlights = {}; - var result = []; - for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { - var referencedSymbol = referencedSymbols_1[_i]; - for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { - var referenceEntry = _b[_a]; - var fileName_1 = referenceEntry.fileName; - var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); - if (!documentHighlights) { - documentHighlights = { fileName: fileName_1, highlightSpans: [] }; - fileNameToDocumentHighlights[fileName_1] = documentHighlights; - result.push(documentHighlights); - } - documentHighlights.highlightSpans.push({ - textSpan: referenceEntry.textSpan, - kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference - }); - } - } - return result; - } - } - function getSyntacticDocumentHighlights(node) { - var fileName = sourceFile.fileName; - var highlightSpans = getHighlightSpans(node); - if (!highlightSpans || highlightSpans.length === 0) { - return undefined; - } - return [{ fileName: fileName, highlightSpans: highlightSpans }]; - function hasKind(node, kind) { - return node !== undefined && node.kind === kind; - } - function parent(node) { - return node && node.parent; - } - function getHighlightSpans(node) { - if (node) { - switch (node.kind) { - case 88: - case 80: - if (hasKind(node.parent, 199)) { - return getIfElseOccurrences(node.parent); - } - break; - case 94: - if (hasKind(node.parent, 207)) { - return getReturnOccurrences(node.parent); - } - break; - case 98: - if (hasKind(node.parent, 211)) { - return getThrowOccurrences(node.parent); - } - break; - case 72: - if (hasKind(parent(parent(node)), 212)) { - return getTryCatchFinallyOccurrences(node.parent.parent); - } - break; - case 100: - case 85: - if (hasKind(parent(node), 212)) { - return getTryCatchFinallyOccurrences(node.parent); - } - break; - case 96: - if (hasKind(node.parent, 209)) { - return getSwitchCaseDefaultOccurrences(node.parent); - } - break; - case 71: - case 77: - if (hasKind(parent(parent(parent(node))), 209)) { - return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); - } - break; - case 70: - case 75: - if (hasKind(node.parent, 206) || hasKind(node.parent, 205)) { - return getBreakOrContinueStatementOccurrences(node.parent); - } - break; - case 86: - if (hasKind(node.parent, 202) || - hasKind(node.parent, 203) || - hasKind(node.parent, 204)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 104: - case 79: - if (hasKind(node.parent, 201) || hasKind(node.parent, 200)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 121: - if (hasKind(node.parent, 145)) { - return getConstructorOccurrences(node.parent); - } - break; - case 123: - case 129: - if (hasKind(node.parent, 146) || hasKind(node.parent, 147)) { - return getGetAndSetOccurrences(node.parent); - } - break; - default: - if (ts.isModifierKind(node.kind) && node.parent && - (ts.isDeclaration(node.parent) || node.parent.kind === 196)) { - return getModifierOccurrences(node.kind, node.parent); - } - } - } - return undefined; - } - function aggregateOwnedThrowStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 211) { - statementAccumulator.push(node); - } - else if (node.kind === 212) { - var tryStatement = node; - if (tryStatement.catchClause) { - aggregate(tryStatement.catchClause); - } - else { - aggregate(tryStatement.tryBlock); - } - if (tryStatement.finallyBlock) { - aggregate(tryStatement.finallyBlock); - } - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - function getThrowStatementOwner(throwStatement) { - var child = throwStatement; - while (child.parent) { - var parent_14 = child.parent; - if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251) { - return parent_14; - } - if (parent_14.kind === 212) { - var tryStatement = parent_14; - if (tryStatement.tryBlock === child && tryStatement.catchClause) { - return child; - } - } - child = parent_14; - } - return undefined; - } - function aggregateAllBreakAndContinueStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 206 || node.kind === 205) { - statementAccumulator.push(node); - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - function ownsBreakOrContinueStatement(owner, statement) { - var actualOwner = getBreakOrContinueOwner(statement); - return actualOwner && actualOwner === owner; - } - function getBreakOrContinueOwner(statement) { - for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { - switch (node_2.kind) { - case 209: - if (statement.kind === 205) { - continue; - } - case 202: - case 203: - case 204: - case 201: - case 200: - if (!statement.label || isLabeledBy(node_2, statement.label.text)) { - return node_2; - } - break; - default: - if (ts.isFunctionLike(node_2)) { - return undefined; - } - break; - } - } - return undefined; - } - function getModifierOccurrences(modifier, declaration) { - var container = declaration.parent; - if (ts.isAccessibilityModifier(modifier)) { - if (!(container.kind === 217 || - container.kind === 189 || - (declaration.kind === 139 && hasKind(container, 145)))) { - return undefined; - } - } - else if (modifier === 113) { - if (!(container.kind === 217 || container.kind === 189)) { - return undefined; - } - } - else if (modifier === 82 || modifier === 122) { - if (!(container.kind === 222 || container.kind === 251)) { - return undefined; - } - } - else if (modifier === 115) { - if (!(container.kind === 217 || declaration.kind === 217)) { - return undefined; - } - } - else { - return undefined; - } - var keywords = []; - var modifierFlag = getFlagFromModifier(modifier); - var nodes; - switch (container.kind) { - case 222: - case 251: - if (modifierFlag & 128) { - nodes = declaration.members.concat(declaration); - } - else { - nodes = container.statements; - } - break; - case 145: - nodes = container.parameters.concat(container.parent.members); - break; - case 217: - case 189: - nodes = container.members; - if (modifierFlag & 56) { - var constructor = ts.forEach(container.members, function (member) { - return member.kind === 145 && member; - }); - if (constructor) { - nodes = nodes.concat(constructor.parameters); - } - } - else if (modifierFlag & 128) { - nodes = nodes.concat(container); - } - break; - default: - ts.Debug.fail("Invalid container kind."); - } - ts.forEach(nodes, function (node) { - if (node.modifiers && node.flags & modifierFlag) { - ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - function getFlagFromModifier(modifier) { - switch (modifier) { - case 112: - return 8; - case 110: - return 16; - case 111: - return 32; - case 113: - return 64; - case 82: - return 2; - case 122: - return 4; - case 115: - return 128; - default: - ts.Debug.fail(); - } - } - } - function pushKeywordIf(keywordList, token) { - var expected = []; - for (var _i = 2; _i < arguments.length; _i++) { - expected[_i - 2] = arguments[_i]; - } - if (token && ts.contains(expected, token.kind)) { - keywordList.push(token); - return true; - } - return false; - } - function getGetAndSetOccurrences(accessorDeclaration) { - var keywords = []; - tryPushAccessorKeyword(accessorDeclaration.symbol, 146); - tryPushAccessorKeyword(accessorDeclaration.symbol, 147); - return ts.map(keywords, getHighlightSpanForNode); - function tryPushAccessorKeyword(accessorSymbol, accessorKind) { - var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); - if (accessor) { - ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123, 129); }); - } - } - } - function getConstructorOccurrences(constructorDeclaration) { - var declarations = constructorDeclaration.symbol.getDeclarations(); - var keywords = []; - ts.forEach(declarations, function (declaration) { - ts.forEach(declaration.getChildren(), function (token) { - return pushKeywordIf(keywords, token, 121); - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getLoopBreakContinueOccurrences(loopNode) { - var keywords = []; - if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86, 104, 79)) { - if (loopNode.kind === 200) { - var loopTokens = loopNode.getChildren(); - for (var i = loopTokens.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, loopTokens[i], 104)) { - break; - } - } - } - } - var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(loopNode, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70, 75); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { - var owner = getBreakOrContinueOwner(breakOrContinueStatement); - if (owner) { - switch (owner.kind) { - case 202: - case 203: - case 204: - case 200: - case 201: - return getLoopBreakContinueOccurrences(owner); - case 209: - return getSwitchCaseDefaultOccurrences(owner); - } - } - return undefined; - } - function getSwitchCaseDefaultOccurrences(switchStatement) { - var keywords = []; - pushKeywordIf(keywords, switchStatement.getFirstToken(), 96); - ts.forEach(switchStatement.caseBlock.clauses, function (clause) { - pushKeywordIf(keywords, clause.getFirstToken(), 71, 77); - var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(switchStatement, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70); - } - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getTryCatchFinallyOccurrences(tryStatement) { - var keywords = []; - pushKeywordIf(keywords, tryStatement.getFirstToken(), 100); - if (tryStatement.catchClause) { - pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72); - } - if (tryStatement.finallyBlock) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85, sourceFile); - pushKeywordIf(keywords, finallyKeyword, 85); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getThrowOccurrences(throwStatement) { - var owner = getThrowStatementOwner(throwStatement); - if (!owner) { - return undefined; - } - var keywords = []; - ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98); - }); - if (ts.isFunctionBlock(owner)) { - ts.forEachReturnStatement(owner, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94); - }); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getReturnOccurrences(returnStatement) { - var func = ts.getContainingFunction(returnStatement); - if (!(func && hasKind(func.body, 195))) { - return undefined; - } - var keywords = []; - ts.forEachReturnStatement(func.body, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94); - }); - ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getIfElseOccurrences(ifStatement) { - var keywords = []; - while (hasKind(ifStatement.parent, 199) && ifStatement.parent.elseStatement === ifStatement) { - ifStatement = ifStatement.parent; - } - while (ifStatement) { - var children = ifStatement.getChildren(); - pushKeywordIf(keywords, children[0], 88); - for (var i = children.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, children[i], 80)) { - break; - } - } - if (!hasKind(ifStatement.elseStatement, 199)) { - break; - } - ifStatement = ifStatement.elseStatement; - } - var result = []; - for (var i = 0; i < keywords.length; i++) { - if (keywords[i].kind === 80 && i < keywords.length - 1) { - var elseKeyword = keywords[i]; - var ifKeyword = keywords[i + 1]; - var shouldCombindElseAndIf = true; - for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { - if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { - shouldCombindElseAndIf = false; - break; - } - } - if (shouldCombindElseAndIf) { - result.push({ - fileName: fileName, - textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), - kind: HighlightSpanKind.reference - }); - i++; - continue; - } - } - result.push(getHighlightSpanForNode(keywords[i])); - } - return result; - } - } - } - function getOccurrencesAtPositionCore(fileName, position) { - synchronizeHostData(); - return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); - function convertDocumentHighlights(documentHighlights) { - if (!documentHighlights) { - return undefined; - } - var result = []; - for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { - var entry = documentHighlights_1[_i]; - for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { - var highlightSpan = _b[_a]; - result.push({ - fileName: entry.fileName, - textSpan: highlightSpan.textSpan, - isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference - }); - } - } - return result; - } - } - function convertReferences(referenceSymbols) { - if (!referenceSymbols) { - return undefined; - } - var referenceEntries = []; - for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { - var referenceSymbol = referenceSymbols_1[_i]; - ts.addRange(referenceEntries, referenceSymbol.references); - } - return referenceEntries; - } - function findRenameLocations(fileName, position, findInStrings, findInComments) { - var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); - return convertReferences(referencedSymbols); - } - function getReferencesAtPosition(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return convertReferences(referencedSymbols); - } - function findReferences(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, false, false); - return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); - } - function findReferencedSymbols(fileName, position, findInStrings, findInComments) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (node.kind !== 69 && - !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && - !isNameOfExternalModuleImportOrDeclaration(node)) { - return undefined; - } - ts.Debug.assert(node.kind === 69 || node.kind === 8 || node.kind === 9); - return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); - } - function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { - var typeChecker = program.getTypeChecker(); - if (isLabelName(node)) { - if (isJumpStatementTarget(node)) { - var labelDefinition = getTargetLabel(node.parent, node.text); - return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; - } - else { - return getLabelReferencesInNode(node.parent, node); - } - } - if (node.kind === 97 || node.kind === 162) { - return getReferencesForThisKeyword(node, sourceFiles); - } - if (node.kind === 95) { - return getReferencesForSuperKeyword(node); - } - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var declarations = symbol.declarations; - if (!declarations || !declarations.length) { - return undefined; - } - var result; - var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); - var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var scope = getSymbolScope(symbol); - var symbolToIndex = []; - if (scope) { - result = []; - getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - else { - var internedName = getInternedName(symbol, node, declarations); - for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { - var sourceFile = sourceFiles_3[_i]; - cancellationToken.throwIfCancellationRequested(); - var nameTable = getNameTable(sourceFile); - if (ts.lookUp(nameTable, internedName) !== undefined) { - result = result || []; - getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - } - } - return result; - function getDefinition(symbol) { - var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); - var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); - var declarations = symbol.declarations; - if (!declarations || declarations.length === 0) { - return undefined; - } - return { - containerKind: "", - containerName: "", - name: name, - kind: info.symbolKind, - fileName: declarations[0].getSourceFile().fileName, - textSpan: ts.createTextSpan(declarations[0].getStart(), 0) - }; - } - function isImportSpecifierSymbol(symbol) { - return (symbol.flags & 8388608) && !!ts.getDeclarationOfKind(symbol, 229); - } - function getInternedName(symbol, location, declarations) { - if (ts.isImportOrExportSpecifierName(location)) { - return location.getText(); - } - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - symbol = localExportDefaultSymbol || symbol; - return ts.stripQuotes(symbol.name); - } - function getSymbolScope(symbol) { - var valueDeclaration = symbol.valueDeclaration; - if (valueDeclaration && (valueDeclaration.kind === 176 || valueDeclaration.kind === 189)) { - return valueDeclaration; - } - if (symbol.flags & (4 | 8192)) { - var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16) ? d : undefined; }); - if (privateDeclaration) { - return ts.getAncestor(privateDeclaration, 217); - } - } - if (symbol.flags & 8388608) { - return undefined; - } - if (symbol.parent || (symbol.flags & 268435456)) { - return undefined; - } - var scope; - var declarations = symbol.getDeclarations(); - if (declarations) { - for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { - var declaration = declarations_8[_i]; - var container = getContainerNode(declaration); - if (!container) { - return undefined; - } - if (scope && scope !== container) { - return undefined; - } - if (container.kind === 251 && !ts.isExternalModule(container)) { - return undefined; - } - scope = container; - } - } - return scope; - } - function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { - var positions = []; - if (!symbolName || !symbolName.length) { - return positions; - } - var text = sourceFile.text; - var sourceLength = text.length; - var symbolNameLength = symbolName.length; - var position = text.indexOf(symbolName, start); - while (position >= 0) { - cancellationToken.throwIfCancellationRequested(); - if (position > end) - break; - var endPosition = position + symbolNameLength; - if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2)) && - (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2))) { - positions.push(position); - } - position = text.indexOf(symbolName, position + symbolNameLength + 1); - } - return positions; - } - function getLabelReferencesInNode(container, targetLabel) { - var references = []; - var sourceFile = container.getSourceFile(); - var labelName = targetLabel.text; - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.getWidth() !== labelName.length) { - return; - } - if (node === targetLabel || - (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = { - containerKind: "", - containerName: "", - fileName: targetLabel.getSourceFile().fileName, - kind: ScriptElementKind.label, - name: labelName, - textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) - }; - return [{ definition: definition, references: references }]; - } - function isValidReferencePosition(node, searchSymbolName) { - if (node) { - switch (node.kind) { - case 69: - return node.getWidth() === searchSymbolName.length; - case 9: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - return node.getWidth() === searchSymbolName.length + 2; - } - break; - case 8: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - return node.getWidth() === searchSymbolName.length; - } - break; - } - } - return false; - } - function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { - var sourceFile = container.getSourceFile(); - var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { - var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); - referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); - } - } - }); - } - return; - function getReferencedSymbol(symbol) { - var symbolId = ts.getSymbolId(symbol); - var index = symbolToIndex[symbolId]; - if (index === undefined) { - index = result.length; - symbolToIndex[symbolId] = index; - result.push({ - definition: getDefinition(symbol), - references: [] - }); - } - return result[index]; - } - function isInNonReferenceComment(sourceFile, position) { - return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); - function isNonReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return !tripleSlashDirectivePrefixRegex.test(commentText); - } - } - } - function getReferencesForSuperKeyword(superKeyword) { - var searchSpaceNode = ts.getSuperContainer(superKeyword, false); - if (!searchSpaceNode) { - return undefined; - } - var staticFlag = 64; - switch (searchSpaceNode.kind) { - case 142: - case 141: - case 144: - case 143: - case 145: - case 146: - case 147: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; - break; - default: - return undefined; - } - var references = []; - var sourceFile = searchSpaceNode.getSourceFile(); - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.kind !== 95) { - return; - } - var container = ts.getSuperContainer(node, false); - if (container && (64 & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = getDefinition(searchSpaceNode.symbol); - return [{ definition: definition, references: references }]; - } - function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { - var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, false); - var staticFlag = 64; - switch (searchSpaceNode.kind) { - case 144: - case 143: - if (ts.isObjectLiteralMethod(searchSpaceNode)) { - break; - } - case 142: - case 141: - case 145: - case 146: - case 147: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; - break; - case 251: - if (ts.isExternalModule(searchSpaceNode)) { - return undefined; - } - case 216: - case 176: - break; - default: - return undefined; - } - var references = []; - var possiblePositions; - if (searchSpaceNode.kind === 251) { - ts.forEach(sourceFiles, function (sourceFile) { - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); - getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); - }); - } - else { - var sourceFile = searchSpaceNode.getSourceFile(); - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); - } - return [{ - definition: { - containerKind: "", - containerName: "", - fileName: node.getSourceFile().fileName, - kind: ScriptElementKind.variableElement, - name: "this", - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) - }, - references: references - }]; - function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || (node.kind !== 97 && node.kind !== 162)) { - return; - } - var container = ts.getThisContainer(node, false); - switch (searchSpaceNode.kind) { - case 176: - case 216: - if (searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 144: - case 143: - if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 189: - case 217: - if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64) === staticFlag) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 251: - if (container.kind === 251 && !ts.isExternalModule(container)) { - result.push(getReferenceEntryFromNode(node)); - } - break; - } - }); - } - } - function populateSearchSymbolSet(symbol, location) { - var result = [symbol]; - if (isImportSpecifierSymbol(symbol)) { - result.push(typeChecker.getAliasedSymbol(symbol)); - } - if (location.parent.kind === 233) { - result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); - } - if (isNameOfPropertyAssignment(location)) { - ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { - ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); - }); - var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); - if (shorthandValueSymbol) { - result.push(shorthandValueSymbol); - } - } - if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 && - ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { - result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); - } - ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - if (rootSymbol !== symbol) { - result.push(rootSymbol); - } - if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, {}); - } - }); - return result; - } - function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { - if (!symbol) { - return; - } - if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { - return; - } - if (symbol.flags & (32 | 64)) { - ts.forEach(symbol.getDeclarations(), function (declaration) { - if (declaration.kind === 217) { - getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); - ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); - } - else if (declaration.kind === 218) { - ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); - } - }); - } - return; - function getPropertySymbolFromTypeReference(typeReference) { - if (typeReference) { - var type = typeChecker.getTypeAtLocation(typeReference); - if (type) { - var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); - if (propertySymbol) { - result.push(propertySymbol); - } - previousIterationSymbolsCache[symbol.name] = symbol; - getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); - } - } - } - } - function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { - if (searchSymbols.indexOf(referenceSymbol) >= 0) { - return referenceSymbol; - } - if (isImportSpecifierSymbol(referenceSymbol)) { - var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - if (referenceLocation.parent.kind === 233) { - var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - if (isNameOfPropertyAssignment(referenceLocation)) { - return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { - return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - }); - } - return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { - if (searchSymbols.indexOf(rootSymbol) >= 0) { - return rootSymbol; - } - if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { - var result_5 = []; - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, {}); - return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - } - return undefined; - }); - } - function getPropertySymbolsFromContextualType(node) { - if (isNameOfPropertyAssignment(node)) { - var objectLiteral = node.parent.parent; - var contextualType = typeChecker.getContextualType(objectLiteral); - var name_37 = node.text; - if (contextualType) { - if (contextualType.flags & 16384) { - var unionProperty = contextualType.getProperty(name_37); - if (unionProperty) { - return [unionProperty]; - } - else { - var result_6 = []; - ts.forEach(contextualType.types, function (t) { - var symbol = t.getProperty(name_37); - if (symbol) { - result_6.push(symbol); - } - }); - return result_6; - } - } - else { - var symbol_1 = contextualType.getProperty(name_37); - if (symbol_1) { - return [symbol_1]; - } - } - } - } - return undefined; - } - function getIntersectingMeaningFromDeclarations(meaning, declarations) { - if (declarations) { - var lastIterationMeaning = void 0; - do { - lastIterationMeaning = meaning; - for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { - var declaration = declarations_9[_i]; - var declarationMeaning = getMeaningFromDeclaration(declaration); - if (declarationMeaning & meaning) { - meaning |= declarationMeaning; - } - } - } while (meaning !== lastIterationMeaning); - } - return meaning; - } - } - function getReferenceEntryFromNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - if (node.kind === 9) { - start += 1; - end -= 1; - } - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - isWriteAccess: isWriteAccess(node) - }; - } - function isWriteAccess(node) { - if (node.kind === 69 && ts.isDeclarationName(node)) { - return true; - } - var parent = node.parent; - if (parent) { - if (parent.kind === 183 || parent.kind === 182) { - return true; - } - else if (parent.kind === 184 && parent.left === node) { - var operator = parent.operatorToken.kind; - return 56 <= operator && operator <= 68; - } - } - return false; - } - function getNavigateToItems(searchValue, maxResultCount) { - synchronizeHostData(); - return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); - } - function getEmitOutput(fileName) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var outputFiles = []; - function writeFile(fileName, data, writeByteOrderMark) { - outputFiles.push({ - name: fileName, - writeByteOrderMark: writeByteOrderMark, - text: data - }); - } - var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); - return { - outputFiles: outputFiles, - emitSkipped: emitOutput.emitSkipped - }; - } - function getMeaningFromDeclaration(node) { - switch (node.kind) { - case 139: - case 214: - case 166: - case 142: - case 141: - case 248: - case 249: - case 250: - case 144: - case 143: - case 145: - case 146: - case 147: - case 216: - case 176: - case 177: - case 247: - return 1; - case 138: - case 218: - case 219: - case 156: - return 2; - case 217: - case 220: - return 1 | 2; - case 221: - if (ts.isAmbientModule(node)) { - return 4 | 1; - } - else if (ts.getModuleInstanceState(node) === 1) { - return 4 | 1; - } - else { - return 4; - } - case 228: - case 229: - case 224: - case 225: - case 230: - case 231: - return 1 | 2 | 4; - case 251: - return 4 | 1; - } - return 1 | 2 | 4; - } - function isTypeReference(node) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { - node = node.parent; - } - return node.parent.kind === 152 || - (node.parent.kind === 191 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || - (node.kind === 97 && !ts.isExpression(node)) || - node.kind === 162; - } - function isNamespaceReference(node) { - return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); - } - function isPropertyAccessNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 169) { - while (root.parent && root.parent.kind === 169) { - root = root.parent; - } - isLastClause = root.name === node; - } - if (!isLastClause && root.parent.kind === 191 && root.parent.parent.kind === 246) { - var decl = root.parent.parent.parent; - return (decl.kind === 217 && root.parent.parent.token === 106) || - (decl.kind === 218 && root.parent.parent.token === 83); - } - return false; - } - function isQualifiedNameNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 136) { - while (root.parent && root.parent.kind === 136) { - root = root.parent; - } - isLastClause = root.right === node; - } - return root.parent.kind === 152 && !isLastClause; - } - function isInRightSideOfImport(node) { - while (node.parent.kind === 136) { - node = node.parent; - } - return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; - } - function getMeaningFromRightHandSideOfImportEquals(node) { - ts.Debug.assert(node.kind === 69); - if (node.parent.kind === 136 && - node.parent.right === node && - node.parent.parent.kind === 224) { - return 1 | 2 | 4; - } - return 4; - } - function getMeaningFromLocation(node) { - if (node.parent.kind === 230) { - return 1 | 2 | 4; - } - else if (isInRightSideOfImport(node)) { - return getMeaningFromRightHandSideOfImportEquals(node); - } - else if (ts.isDeclarationName(node)) { - return getMeaningFromDeclaration(node.parent); - } - else if (isTypeReference(node)) { - return 2; - } - else if (isNamespaceReference(node)) { - return 4; - } - else { - return 1; - } - } - function getSignatureHelpItems(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); - } - function getSourceFile(fileName) { - return syntaxTreeCache.getCurrentSourceFile(fileName); - } - function getNameOrDottedNameSpan(fileName, startPos, endPos) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, startPos); - if (!node) { - return; - } - switch (node.kind) { - case 169: - case 136: - case 9: - case 163: - case 84: - case 99: - case 93: - case 95: - case 97: - case 162: - case 69: - break; - default: - return; - } - var nodeForStartPos = node; - while (true) { - if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { - nodeForStartPos = nodeForStartPos.parent; - } - else if (isNameOfModuleDeclaration(nodeForStartPos)) { - if (nodeForStartPos.parent.parent.kind === 221 && - nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { - nodeForStartPos = nodeForStartPos.parent.parent.name; - } - else { - break; - } - } - else { - break; - } - } - return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); - } - function getBreakpointStatementAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); - } - function getNavigationBarItems(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); - } - function getSemanticClassifications(fileName, span) { - return convertClassifications(getEncodedSemanticClassifications(fileName, span)); - } - function checkForClassificationCancellation(kind) { - switch (kind) { - case 221: - case 217: - case 218: - case 216: - cancellationToken.throwIfCancellationRequested(); - } - } - function getEncodedSemanticClassifications(fileName, span) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var result = []; - var classifiableNames = program.getClassifiableNames(); - processNode(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifySymbol(symbol, meaningAtPosition) { - var flags = symbol.getFlags(); - if ((flags & 788448) === 0) { - return; - } - if (flags & 32) { - return 11; - } - else if (flags & 384) { - return 12; - } - else if (flags & 524288) { - return 16; - } - else if (meaningAtPosition & 2) { - if (flags & 64) { - return 13; - } - else if (flags & 262144) { - return 15; - } - } - else if (flags & 1536) { - if (meaningAtPosition & 4 || - (meaningAtPosition & 1 && hasValueSideModule(symbol))) { - return 14; - } - } - return undefined; - function hasValueSideModule(symbol) { - return ts.forEach(symbol.declarations, function (declaration) { - return declaration.kind === 221 && - ts.getModuleInstanceState(declaration) === 1; - }); - } - } - function processNode(node) { - if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { - var kind = node.kind; - checkForClassificationCancellation(kind); - if (kind === 69 && !ts.nodeIsMissing(node)) { - var identifier = node; - if (classifiableNames[identifier.text]) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var type = classifySymbol(symbol, getMeaningFromLocation(node)); - if (type) { - pushClassification(node.getStart(), node.getWidth(), type); - } - } - } - } - ts.forEachChild(node, processNode); - } - } - } - function getClassificationTypeName(type) { - switch (type) { - case 1: return ClassificationTypeNames.comment; - case 2: return ClassificationTypeNames.identifier; - case 3: return ClassificationTypeNames.keyword; - case 4: return ClassificationTypeNames.numericLiteral; - case 5: return ClassificationTypeNames.operator; - case 6: return ClassificationTypeNames.stringLiteral; - case 8: return ClassificationTypeNames.whiteSpace; - case 9: return ClassificationTypeNames.text; - case 10: return ClassificationTypeNames.punctuation; - case 11: return ClassificationTypeNames.className; - case 12: return ClassificationTypeNames.enumName; - case 13: return ClassificationTypeNames.interfaceName; - case 14: return ClassificationTypeNames.moduleName; - case 15: return ClassificationTypeNames.typeParameterName; - case 16: return ClassificationTypeNames.typeAliasName; - case 17: return ClassificationTypeNames.parameterName; - case 18: return ClassificationTypeNames.docCommentTagName; - case 19: return ClassificationTypeNames.jsxOpenTagName; - case 20: return ClassificationTypeNames.jsxCloseTagName; - case 21: return ClassificationTypeNames.jsxSelfClosingTagName; - case 22: return ClassificationTypeNames.jsxAttribute; - case 23: return ClassificationTypeNames.jsxText; - case 24: return ClassificationTypeNames.jsxAttributeStringLiteralValue; - } - } - function convertClassifications(classifications) { - ts.Debug.assert(classifications.spans.length % 3 === 0); - var dense = classifications.spans; - var result = []; - for (var i = 0, n = dense.length; i < n; i += 3) { - result.push({ - textSpan: ts.createTextSpan(dense[i], dense[i + 1]), - classificationType: getClassificationTypeName(dense[i + 2]) - }); - } - return result; - } - function getSyntacticClassifications(fileName, span) { - return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); - } - function getEncodedSyntacticClassifications(fileName, span) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var spanStart = span.start; - var spanLength = span.length; - var triviaScanner = ts.createScanner(2, false, sourceFile.languageVariant, sourceFile.text); - var mergeConflictScanner = ts.createScanner(2, false, sourceFile.languageVariant, sourceFile.text); - var result = []; - processElement(sourceFile); - return { spans: result, endOfLineState: 0 }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifyLeadingTriviaAndGetTokenStart(token) { - triviaScanner.setTextPos(token.pos); - while (true) { - var start = triviaScanner.getTextPos(); - if (!ts.couldStartTrivia(sourceFile.text, start)) { - return start; - } - var kind = triviaScanner.scan(); - var end = triviaScanner.getTextPos(); - var width = end - start; - if (!ts.isTrivia(kind)) { - return start; - } - if (kind === 4 || kind === 5) { - continue; - } - if (ts.isComment(kind)) { - classifyComment(token, kind, start, width); - triviaScanner.setTextPos(end); - continue; - } - if (kind === 7) { - var text = sourceFile.text; - var ch = text.charCodeAt(start); - if (ch === 60 || ch === 62) { - pushClassification(start, width, 1); - continue; - } - ts.Debug.assert(ch === 61); - classifyDisabledMergeCode(text, start, end); - } - } - } - function classifyComment(token, kind, start, width) { - if (kind === 3) { - var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); - if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { - docCommentAndDiagnostics.jsDocComment.parent = token; - classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); - return; - } - } - pushCommentRange(start, width); - } - function pushCommentRange(start, width) { - pushClassification(start, width, 1); - } - function classifyJSDocComment(docComment) { - var pos = docComment.pos; - for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos !== pos) { - pushCommentRange(pos, tag.pos - pos); - } - pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); - pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); - pos = tag.tagName.end; - switch (tag.kind) { - case 270: - processJSDocParameterTag(tag); - break; - case 273: - processJSDocTemplateTag(tag); - break; - case 272: - processElement(tag.typeExpression); - break; - case 271: - processElement(tag.typeExpression); - break; - } - pos = tag.end; - } - if (pos !== docComment.end) { - pushCommentRange(pos, docComment.end - pos); - } - return; - function processJSDocParameterTag(tag) { - if (tag.preParameterName) { - pushCommentRange(pos, tag.preParameterName.pos - pos); - pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); - pos = tag.preParameterName.end; - } - if (tag.typeExpression) { - pushCommentRange(pos, tag.typeExpression.pos - pos); - processElement(tag.typeExpression); - pos = tag.typeExpression.end; - } - if (tag.postParameterName) { - pushCommentRange(pos, tag.postParameterName.pos - pos); - pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); - pos = tag.postParameterName.end; - } - } - } - function processJSDocTemplateTag(tag) { - for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { - var child = _a[_i]; - processElement(child); - } - } - function classifyDisabledMergeCode(text, start, end) { - var i; - for (i = start; i < end; i++) { - if (ts.isLineBreak(text.charCodeAt(i))) { - break; - } - } - pushClassification(start, i - start, 1); - mergeConflictScanner.setTextPos(i); - while (mergeConflictScanner.getTextPos() < end) { - classifyDisabledCodeToken(); - } - } - function classifyDisabledCodeToken() { - var start = mergeConflictScanner.getTextPos(); - var tokenKind = mergeConflictScanner.scan(); - var end = mergeConflictScanner.getTextPos(); - var type = classifyTokenType(tokenKind); - if (type) { - pushClassification(start, end - start, type); - } - } - function tryClassifyNode(node) { - if (ts.nodeIsMissing(node)) { - return true; - } - var classifiedElementName = tryClassifyJsxElementName(node); - if (!ts.isToken(node) && node.kind !== 239 && classifiedElementName === undefined) { - return false; - } - var tokenStart = node.kind === 239 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); - var tokenWidth = node.end - tokenStart; - ts.Debug.assert(tokenWidth >= 0); - if (tokenWidth > 0) { - var type = classifiedElementName || classifyTokenType(node.kind, node); - if (type) { - pushClassification(tokenStart, tokenWidth, type); - } - } - return true; - } - function tryClassifyJsxElementName(token) { - switch (token.parent && token.parent.kind) { - case 238: - if (token.parent.tagName === token) { - return 19; - } - break; - case 240: - if (token.parent.tagName === token) { - return 20; - } - break; - case 237: - if (token.parent.tagName === token) { - return 21; - } - break; - case 241: - if (token.parent.name === token) { - return 22; - } - break; - } - return undefined; - } - function classifyTokenType(tokenKind, token) { - if (ts.isKeyword(tokenKind)) { - return 3; - } - if (tokenKind === 25 || tokenKind === 27) { - if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { - return 10; - } - } - if (ts.isPunctuation(tokenKind)) { - if (token) { - if (tokenKind === 56) { - if (token.parent.kind === 214 || - token.parent.kind === 142 || - token.parent.kind === 139 || - token.parent.kind === 241) { - return 5; - } - } - if (token.parent.kind === 184 || - token.parent.kind === 182 || - token.parent.kind === 183 || - token.parent.kind === 185) { - return 5; - } - } - return 10; - } - else if (tokenKind === 8) { - return 4; - } - else if (tokenKind === 9 || tokenKind === 163) { - return token.parent.kind === 241 ? 24 : 6; - } - else if (tokenKind === 10) { - return 6; - } - else if (ts.isTemplateLiteralKind(tokenKind)) { - return 6; - } - else if (tokenKind === 239) { - return 23; - } - else if (tokenKind === 69) { - if (token) { - switch (token.parent.kind) { - case 217: - if (token.parent.name === token) { - return 11; - } - return; - case 138: - if (token.parent.name === token) { - return 15; - } - return; - case 218: - if (token.parent.name === token) { - return 13; - } - return; - case 220: - if (token.parent.name === token) { - return 12; - } - return; - case 221: - if (token.parent.name === token) { - return 14; - } - return; - case 139: - if (token.parent.name === token) { - return 17; - } - return; - } - } - return 2; - } - } - function processElement(element) { - if (!element) { - return; - } - if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { - checkForClassificationCancellation(element.kind); - var children = element.getChildren(sourceFile); - for (var i = 0, n = children.length; i < n; i++) { - var child = children[i]; - if (!tryClassifyNode(child)) { - processElement(child); - } - } - } - } - } - function getOutliningSpans(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.OutliningElementsCollector.collectElements(sourceFile); - } - function getBraceMatchingAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var result = []; - var token = ts.getTouchingToken(sourceFile, position); - if (token.getStart(sourceFile) === position) { - var matchKind = getMatchingTokenKind(token); - if (matchKind) { - var parentElement = token.parent; - var childNodes = parentElement.getChildren(sourceFile); - for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { - var current = childNodes_1[_i]; - if (current.kind === matchKind) { - var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); - var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); - if (range1.start < range2.start) { - result.push(range1, range2); - } - else { - result.push(range2, range1); - } - break; - } - } - } - } - return result; - function getMatchingTokenKind(token) { - switch (token.kind) { - case 15: return 16; - case 17: return 18; - case 19: return 20; - case 25: return 27; - case 16: return 15; - case 18: return 17; - case 20: return 19; - case 27: return 25; - } - return undefined; - } - } - function getIndentationAtPosition(fileName, position, editorOptions) { - var start = new Date().getTime(); - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); - start = new Date().getTime(); - var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); - log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); - return result; - } - function getFormattingEditsForRange(fileName, start, end, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsForDocument(fileName, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsAfterKeystroke(fileName, position, key, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (key === "}") { - return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); - } - else if (key === ";") { - return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); - } - else if (key === "\n") { - return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); - } - return []; - } - function getDocCommentTemplateAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { - return undefined; - } - var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); - var tokenStart = tokenAtPos.getStart(); - if (!tokenAtPos || tokenStart < position) { - return undefined; - } - var commentOwner; - findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { - switch (commentOwner.kind) { - case 216: - case 144: - case 145: - case 217: - case 196: - break findOwner; - case 251: - return undefined; - case 221: - if (commentOwner.parent.kind === 221) { - return undefined; - } - break findOwner; - } - } - if (!commentOwner || commentOwner.getStart() < position) { - return undefined; - } - var parameters = getParametersForJsDocOwningNode(commentOwner); - var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); - var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; - var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); - var newLine = ts.getNewLineOrDefaultFromHost(host); - var docParams = ""; - for (var i = 0, numParams = parameters.length; i < numParams; i++) { - var currentName = parameters[i].name; - var paramName = currentName.kind === 69 ? - currentName.text : - "param" + i; - docParams += indentationStr + " * @param " + paramName + newLine; - } - var preamble = "/**" + newLine + - indentationStr + " * "; - var result = preamble + newLine + - docParams + - indentationStr + " */" + - (tokenStart === position ? newLine + indentationStr : ""); - return { newText: result, caretOffset: preamble.length }; - } - function getParametersForJsDocOwningNode(commentOwner) { - if (ts.isFunctionLike(commentOwner)) { - return commentOwner.parameters; - } - if (commentOwner.kind === 196) { - var varStatement = commentOwner; - var varDeclarations = varStatement.declarationList.declarations; - if (varDeclarations.length === 1 && varDeclarations[0].initializer) { - return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); - } - } - return emptyArray; - } - function getParametersFromRightHandSideOfAssignment(rightHandSide) { - while (rightHandSide.kind === 175) { - rightHandSide = rightHandSide.expression; - } - switch (rightHandSide.kind) { - case 176: - case 177: - return rightHandSide.parameters; - case 189: - for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 145) { - return member.parameters; - } - } - break; - } - return emptyArray; - } - function getTodoComments(fileName, descriptors) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - cancellationToken.throwIfCancellationRequested(); - var fileContents = sourceFile.text; - var result = []; - if (descriptors.length > 0) { - var regExp = getTodoCommentsRegExp(); - var matchArray = void 0; - while (matchArray = regExp.exec(fileContents)) { - cancellationToken.throwIfCancellationRequested(); - var firstDescriptorCaptureIndex = 3; - ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); - var preamble = matchArray[1]; - var matchPosition = matchArray.index + preamble.length; - var token = ts.getTokenAtPosition(sourceFile, matchPosition); - if (!isInsideComment(sourceFile, token, matchPosition)) { - continue; - } - var descriptor = undefined; - for (var i = 0, n = descriptors.length; i < n; i++) { - if (matchArray[i + firstDescriptorCaptureIndex]) { - descriptor = descriptors[i]; - } - } - ts.Debug.assert(descriptor !== undefined); - if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { - continue; - } - var message = matchArray[2]; - result.push({ - descriptor: descriptor, - message: message, - position: matchPosition - }); - } - } - return result; - function escapeRegExp(str) { - return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); - } - function getTodoCommentsRegExp() { - var singleLineCommentStart = /(?:\/\/+\s*)/.source; - var multiLineCommentStart = /(?:\/\*+\s*)/.source; - var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; - var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; - var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; - var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; - var messageRemainder = /(?:.*?)/.source; - var messagePortion = "(" + literals + messageRemainder + ")"; - var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; - return new RegExp(regExpString, "gim"); - } - function isLetterOrDigit(char) { - return (char >= 97 && char <= 122) || - (char >= 65 && char <= 90) || - (char >= 48 && char <= 57); - } - } - function getRenameInfo(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var node = ts.getTouchingWord(sourceFile, position); - if (node && node.kind === 69) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var declarations = symbol.getDeclarations(); - if (declarations && declarations.length > 0) { - var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); - var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); - if (defaultLibFileName) { - for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { - var current = declarations_10[_i]; - var sourceFile_3 = current.getSourceFile(); - if (!sourceFile_3) { - continue; - } - var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); - if (canonicalName === canonicalDefaultLibName) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); - } - } - } - var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var kind = getSymbolKind(symbol, node); - if (kind) { - return { - canRename: true, - kind: kind, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: typeChecker.getFullyQualifiedName(symbol), - kindModifiers: getSymbolModifiers(symbol), - triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) - }; - } - } - } - } - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); - function getRenameInfoError(localizedErrorMessage) { - return { - canRename: false, - localizedErrorMessage: localizedErrorMessage, - displayName: undefined, - fullDisplayName: undefined, - kind: undefined, - kindModifiers: undefined, - triggerSpan: undefined - }; - } - } - return { - dispose: dispose, - cleanupSemanticCache: cleanupSemanticCache, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, - getSyntacticClassifications: getSyntacticClassifications, - getSemanticClassifications: getSemanticClassifications, - getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, - getEncodedSemanticClassifications: getEncodedSemanticClassifications, - getCompletionsAtPosition: getCompletionsAtPosition, - getCompletionEntryDetails: getCompletionEntryDetails, - getSignatureHelpItems: getSignatureHelpItems, - getQuickInfoAtPosition: getQuickInfoAtPosition, - getDefinitionAtPosition: getDefinitionAtPosition, - getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, - getReferencesAtPosition: getReferencesAtPosition, - findReferences: findReferences, - getOccurrencesAtPosition: getOccurrencesAtPosition, - getDocumentHighlights: getDocumentHighlights, - getNameOrDottedNameSpan: getNameOrDottedNameSpan, - getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, - getNavigateToItems: getNavigateToItems, - getRenameInfo: getRenameInfo, - findRenameLocations: findRenameLocations, - getNavigationBarItems: getNavigationBarItems, - getOutliningSpans: getOutliningSpans, - getTodoComments: getTodoComments, - getBraceMatchingAtPosition: getBraceMatchingAtPosition, - getIndentationAtPosition: getIndentationAtPosition, - getFormattingEditsForRange: getFormattingEditsForRange, - getFormattingEditsForDocument: getFormattingEditsForDocument, - getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, - getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, - getEmitOutput: getEmitOutput, - getSourceFile: getSourceFile, - getProgram: getProgram - }; - } - ts.createLanguageService = createLanguageService; - function getNameTable(sourceFile) { - if (!sourceFile.nameTable) { - initializeNameTable(sourceFile); - } - return sourceFile.nameTable; - } - ts.getNameTable = getNameTable; - function initializeNameTable(sourceFile) { - var nameTable = {}; - walk(sourceFile); - sourceFile.nameTable = nameTable; - function walk(node) { - switch (node.kind) { - case 69: - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - break; - case 9: - case 8: - if (ts.isDeclarationName(node) || - node.parent.kind === 235 || - isArgumentOfElementAccessExpression(node)) { - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - } - break; - default: - ts.forEachChild(node, walk); - } - } - } - function isArgumentOfElementAccessExpression(node) { - return node && - node.parent && - node.parent.kind === 170 && - node.parent.argumentExpression === node; - } - function createClassifier() { - var scanner = ts.createScanner(2, false); - var noRegexTable = []; - noRegexTable[69] = true; - noRegexTable[9] = true; - noRegexTable[8] = true; - noRegexTable[10] = true; - noRegexTable[97] = true; - noRegexTable[41] = true; - noRegexTable[42] = true; - noRegexTable[18] = true; - noRegexTable[20] = true; - noRegexTable[16] = true; - noRegexTable[99] = true; - noRegexTable[84] = true; - var templateStack = []; - function canFollow(keyword1, keyword2) { - if (ts.isAccessibilityModifier(keyword1)) { - if (keyword2 === 123 || - keyword2 === 129 || - keyword2 === 121 || - keyword2 === 113) { - return true; - } - return false; - } - return true; - } - function convertClassifications(classifications, text) { - var entries = []; - var dense = classifications.spans; - var lastEnd = 0; - for (var i = 0, n = dense.length; i < n; i += 3) { - var start = dense[i]; - var length_3 = dense[i + 1]; - var type = dense[i + 2]; - if (lastEnd >= 0) { - var whitespaceLength_1 = start - lastEnd; - if (whitespaceLength_1 > 0) { - entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); - } - } - entries.push({ length: length_3, classification: convertClassification(type) }); - lastEnd = start + length_3; - } - var whitespaceLength = text.length - lastEnd; - if (whitespaceLength > 0) { - entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); - } - return { entries: entries, finalLexState: classifications.endOfLineState }; - } - function convertClassification(type) { - switch (type) { - case 1: return TokenClass.Comment; - case 3: return TokenClass.Keyword; - case 4: return TokenClass.NumberLiteral; - case 5: return TokenClass.Operator; - case 6: return TokenClass.StringLiteral; - case 8: return TokenClass.Whitespace; - case 10: return TokenClass.Punctuation; - case 2: - case 11: - case 12: - case 13: - case 14: - case 15: - case 16: - case 9: - case 17: - default: - return TokenClass.Identifier; - } - } - function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { - return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); - } - function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { - var offset = 0; - var token = 0; - var lastNonTriviaToken = 0; - while (templateStack.length > 0) { - templateStack.pop(); - } - switch (lexState) { - case 3: - text = "\"\\\n" + text; - offset = 3; - break; - case 2: - text = "'\\\n" + text; - offset = 3; - break; - case 1: - text = "/*\n" + text; - offset = 3; - break; - case 4: - text = "`\n" + text; - offset = 2; - break; - case 5: - text = "}\n" + text; - offset = 2; - case 6: - templateStack.push(12); - break; - } - scanner.setText(text); - var result = { - endOfLineState: 0, - spans: [] - }; - var angleBracketStack = 0; - do { - token = scanner.scan(); - if (!ts.isTrivia(token)) { - if ((token === 39 || token === 61) && !noRegexTable[lastNonTriviaToken]) { - if (scanner.reScanSlashToken() === 10) { - token = 10; - } - } - else if (lastNonTriviaToken === 21 && isKeyword(token)) { - token = 69; - } - else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { - token = 69; - } - else if (lastNonTriviaToken === 69 && - token === 25) { - angleBracketStack++; - } - else if (token === 27 && angleBracketStack > 0) { - angleBracketStack--; - } - else if (token === 117 || - token === 130 || - token === 128 || - token === 120 || - token === 131) { - if (angleBracketStack > 0 && !syntacticClassifierAbsent) { - token = 69; - } - } - else if (token === 12) { - templateStack.push(token); - } - else if (token === 15) { - if (templateStack.length > 0) { - templateStack.push(token); - } - } - else if (token === 16) { - if (templateStack.length > 0) { - var lastTemplateStackToken = ts.lastOrUndefined(templateStack); - if (lastTemplateStackToken === 12) { - token = scanner.reScanTemplateToken(); - if (token === 14) { - templateStack.pop(); - } - else { - ts.Debug.assert(token === 13, "Should have been a template middle. Was " + token); - } - } - else { - ts.Debug.assert(lastTemplateStackToken === 15, "Should have been an open brace. Was: " + token); - templateStack.pop(); - } - } - } - lastNonTriviaToken = token; - } - processToken(); - } while (token !== 1); - return result; - function processToken() { - var start = scanner.getTokenPos(); - var end = scanner.getTextPos(); - addResult(start, end, classFromKind(token)); - if (end >= text.length) { - if (token === 9 || token === 163) { - var tokenText = scanner.getTokenText(); - if (scanner.isUnterminated()) { - var lastCharIndex = tokenText.length - 1; - var numBackslashes = 0; - while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { - numBackslashes++; - } - if (numBackslashes & 1) { - var quoteChar = tokenText.charCodeAt(0); - result.endOfLineState = quoteChar === 34 - ? 3 - : 2; - } - } - } - else if (token === 3) { - if (scanner.isUnterminated()) { - result.endOfLineState = 1; - } - } - else if (ts.isTemplateLiteralKind(token)) { - if (scanner.isUnterminated()) { - if (token === 14) { - result.endOfLineState = 5; - } - else if (token === 11) { - result.endOfLineState = 4; - } - else { - ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); - } - } - } - else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12) { - result.endOfLineState = 6; - } - } - } - function addResult(start, end, classification) { - if (classification === 8) { - return; - } - if (start === 0 && offset > 0) { - start += offset; - } - start -= offset; - end -= offset; - var length = end - start; - if (length > 0) { - result.spans.push(start); - result.spans.push(length); - result.spans.push(classification); - } - } - } - function isBinaryExpressionOperatorToken(token) { - switch (token) { - case 37: - case 39: - case 40: - case 35: - case 36: - case 43: - case 44: - case 45: - case 25: - case 27: - case 28: - case 29: - case 91: - case 90: - case 116: - case 30: - case 31: - case 32: - case 33: - case 46: - case 48: - case 47: - case 51: - case 52: - case 67: - case 66: - case 68: - case 63: - case 64: - case 65: - case 57: - case 58: - case 59: - case 61: - case 62: - case 56: - case 24: - return true; - default: - return false; - } - } - function isPrefixUnaryExpressionOperatorToken(token) { - switch (token) { - case 35: - case 36: - case 50: - case 49: - case 41: - case 42: - return true; - default: - return false; - } - } - function isKeyword(token) { - return token >= 70 && token <= 135; - } - function classFromKind(token) { - if (isKeyword(token)) { - return 3; - } - else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { - return 5; - } - else if (token >= 15 && token <= 68) { - return 10; - } - switch (token) { - case 8: - return 4; - case 9: - case 163: - return 6; - case 10: - return 7; - case 7: - case 3: - case 2: - return 1; - case 5: - case 4: - return 8; - case 69: - default: - if (ts.isTemplateLiteralKind(token)) { - return 6; - } - return 2; - } - } - return { - getClassificationsForLine: getClassificationsForLine, - getEncodedLexicalClassifications: getEncodedLexicalClassifications - }; - } - ts.createClassifier = createClassifier; - function getDefaultLibFilePath(options) { - if (typeof __dirname !== "undefined") { - return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); - } - throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); - } - ts.getDefaultLibFilePath = getDefaultLibFilePath; - function initializeServices() { - ts.objectAllocator = { - getNodeConstructor: function () { return NodeObject; }, - getSourceFileConstructor: function () { return SourceFileObject; }, - getSymbolConstructor: function () { return SymbolObject; }, - getTypeConstructor: function () { return TypeObject; }, - getSignatureConstructor: function () { return SignatureObject; } - }; - } - initializeServices(); -})(ts || (ts = {})); -var ts; -(function (ts) { - var server; - (function (server) { - var spaceCache = []; - function generateSpaces(n) { - if (!spaceCache[n]) { - var strBuilder = ""; - for (var i = 0; i < n; i++) { - strBuilder += " "; - } - spaceCache[n] = strBuilder; - } - return spaceCache[n]; - } - server.generateSpaces = generateSpaces; - function generateIndentString(n, editorOptions) { - if (editorOptions.ConvertTabsToSpaces) { - return generateSpaces(n); - } - else { - var result = ""; - for (var i = 0; i < Math.floor(n / editorOptions.TabSize); i++) { - result += "\t"; - } - for (var i = 0; i < n % editorOptions.TabSize; i++) { - result += " "; - } - return result; - } - } - server.generateIndentString = generateIndentString; - function compareNumber(a, b) { - if (a < b) { - return -1; - } - else if (a === b) { - return 0; - } - else - return 1; - } - function compareFileStart(a, b) { - if (a.file < b.file) { - return -1; - } - else if (a.file == b.file) { - var n = compareNumber(a.start.line, b.start.line); - if (n === 0) { - return compareNumber(a.start.offset, b.start.offset); - } - else - return n; - } - else { - return 1; - } - } - function formatDiag(fileName, project, diag) { - return { - start: project.compilerService.host.positionToLineOffset(fileName, diag.start), - end: project.compilerService.host.positionToLineOffset(fileName, diag.start + diag.length), - text: ts.flattenDiagnosticMessageText(diag.messageText, "\n") - }; - } - function allEditsBeforePos(edits, pos) { - for (var i = 0, len = edits.length; i < len; i++) { - if (ts.textSpanEnd(edits[i].span) >= pos) { - return false; - } - } - return true; - } - var CommandNames; - (function (CommandNames) { - CommandNames.Brace = "brace"; - CommandNames.Change = "change"; - CommandNames.Close = "close"; - CommandNames.Completions = "completions"; - CommandNames.CompletionDetails = "completionEntryDetails"; - CommandNames.Configure = "configure"; - CommandNames.Definition = "definition"; - CommandNames.Exit = "exit"; - CommandNames.Format = "format"; - CommandNames.Formatonkey = "formatonkey"; - CommandNames.Geterr = "geterr"; - CommandNames.GeterrForProject = "geterrForProject"; - CommandNames.NavBar = "navbar"; - CommandNames.Navto = "navto"; - CommandNames.Occurrences = "occurrences"; - CommandNames.DocumentHighlights = "documentHighlights"; - CommandNames.Open = "open"; - CommandNames.Quickinfo = "quickinfo"; - CommandNames.References = "references"; - CommandNames.Reload = "reload"; - CommandNames.Rename = "rename"; - CommandNames.Saveto = "saveto"; - CommandNames.SignatureHelp = "signatureHelp"; - CommandNames.TypeDefinition = "typeDefinition"; - CommandNames.ProjectInfo = "projectInfo"; - CommandNames.ReloadProjects = "reloadProjects"; - CommandNames.Unknown = "unknown"; - })(CommandNames = server.CommandNames || (server.CommandNames = {})); - var Errors; - (function (Errors) { - Errors.NoProject = new Error("No Project."); - })(Errors || (Errors = {})); - var Session = (function () { - function Session(host, byteLength, hrtime, logger) { - var _this = this; - this.host = host; - this.byteLength = byteLength; - this.hrtime = hrtime; - this.logger = logger; - this.changeSeq = 0; - this.handlers = (_a = {}, - _a[CommandNames.Exit] = function () { - _this.exit(); - return { responseRequired: false }; - }, - _a[CommandNames.Definition] = function (request) { - var defArgs = request.arguments; - return { response: _this.getDefinition(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; - }, - _a[CommandNames.TypeDefinition] = function (request) { - var defArgs = request.arguments; - return { response: _this.getTypeDefinition(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; - }, - _a[CommandNames.References] = function (request) { - var defArgs = request.arguments; - return { response: _this.getReferences(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; - }, - _a[CommandNames.Rename] = function (request) { - var renameArgs = request.arguments; - return { response: _this.getRenameLocations(renameArgs.line, renameArgs.offset, renameArgs.file, renameArgs.findInComments, renameArgs.findInStrings), responseRequired: true }; - }, - _a[CommandNames.Open] = function (request) { - var openArgs = request.arguments; - _this.openClientFile(openArgs.file, openArgs.fileContent); - return { responseRequired: false }; - }, - _a[CommandNames.Quickinfo] = function (request) { - var quickinfoArgs = request.arguments; - return { response: _this.getQuickInfo(quickinfoArgs.line, quickinfoArgs.offset, quickinfoArgs.file), responseRequired: true }; - }, - _a[CommandNames.Format] = function (request) { - var formatArgs = request.arguments; - return { response: _this.getFormattingEditsForRange(formatArgs.line, formatArgs.offset, formatArgs.endLine, formatArgs.endOffset, formatArgs.file), responseRequired: true }; - }, - _a[CommandNames.Formatonkey] = function (request) { - var formatOnKeyArgs = request.arguments; - return { response: _this.getFormattingEditsAfterKeystroke(formatOnKeyArgs.line, formatOnKeyArgs.offset, formatOnKeyArgs.key, formatOnKeyArgs.file), responseRequired: true }; - }, - _a[CommandNames.Completions] = function (request) { - var completionsArgs = request.arguments; - return { response: _this.getCompletions(completionsArgs.line, completionsArgs.offset, completionsArgs.prefix, completionsArgs.file), responseRequired: true }; - }, - _a[CommandNames.CompletionDetails] = function (request) { - var completionDetailsArgs = request.arguments; - return { response: _this.getCompletionEntryDetails(completionDetailsArgs.line, completionDetailsArgs.offset, completionDetailsArgs.entryNames, completionDetailsArgs.file), responseRequired: true }; - }, - _a[CommandNames.SignatureHelp] = function (request) { - var signatureHelpArgs = request.arguments; - return { response: _this.getSignatureHelpItems(signatureHelpArgs.line, signatureHelpArgs.offset, signatureHelpArgs.file), responseRequired: true }; - }, - _a[CommandNames.Geterr] = function (request) { - var geterrArgs = request.arguments; - return { response: _this.getDiagnostics(geterrArgs.delay, geterrArgs.files), responseRequired: false }; - }, - _a[CommandNames.GeterrForProject] = function (request) { - var _a = request.arguments, file = _a.file, delay = _a.delay; - return { response: _this.getDiagnosticsForProject(delay, file), responseRequired: false }; - }, - _a[CommandNames.Change] = function (request) { - var changeArgs = request.arguments; - _this.change(changeArgs.line, changeArgs.offset, changeArgs.endLine, changeArgs.endOffset, changeArgs.insertString, changeArgs.file); - return { responseRequired: false }; - }, - _a[CommandNames.Configure] = function (request) { - var configureArgs = request.arguments; - _this.projectService.setHostConfiguration(configureArgs); - _this.output(undefined, CommandNames.Configure, request.seq); - return { responseRequired: false }; - }, - _a[CommandNames.Reload] = function (request) { - var reloadArgs = request.arguments; - _this.reload(reloadArgs.file, reloadArgs.tmpfile, request.seq); - return { responseRequired: false }; - }, - _a[CommandNames.Saveto] = function (request) { - var savetoArgs = request.arguments; - _this.saveToTmp(savetoArgs.file, savetoArgs.tmpfile); - return { responseRequired: false }; - }, - _a[CommandNames.Close] = function (request) { - var closeArgs = request.arguments; - _this.closeClientFile(closeArgs.file); - return { responseRequired: false }; - }, - _a[CommandNames.Navto] = function (request) { - var navtoArgs = request.arguments; - return { response: _this.getNavigateToItems(navtoArgs.searchValue, navtoArgs.file, navtoArgs.maxResultCount), responseRequired: true }; - }, - _a[CommandNames.Brace] = function (request) { - var braceArguments = request.arguments; - return { response: _this.getBraceMatching(braceArguments.line, braceArguments.offset, braceArguments.file), responseRequired: true }; - }, - _a[CommandNames.NavBar] = function (request) { - var navBarArgs = request.arguments; - return { response: _this.getNavigationBarItems(navBarArgs.file), responseRequired: true }; - }, - _a[CommandNames.Occurrences] = function (request) { - var _a = request.arguments, line = _a.line, offset = _a.offset, fileName = _a.file; - return { response: _this.getOccurrences(line, offset, fileName), responseRequired: true }; - }, - _a[CommandNames.DocumentHighlights] = function (request) { - var _a = request.arguments, line = _a.line, offset = _a.offset, fileName = _a.file, filesToSearch = _a.filesToSearch; - return { response: _this.getDocumentHighlights(line, offset, fileName, filesToSearch), responseRequired: true }; - }, - _a[CommandNames.ProjectInfo] = function (request) { - var _a = request.arguments, file = _a.file, needFileNameList = _a.needFileNameList; - return { response: _this.getProjectInfo(file, needFileNameList), responseRequired: true }; - }, - _a[CommandNames.ReloadProjects] = function (request) { - _this.reloadProjects(); - return { responseRequired: false }; - }, - _a - ); - this.projectService = - new server.ProjectService(host, logger, function (eventName, project, fileName) { - _this.handleEvent(eventName, project, fileName); - }); - var _a; - } - Session.prototype.handleEvent = function (eventName, project, fileName) { - var _this = this; - if (eventName == "context") { - this.projectService.log("got context event, updating diagnostics for" + fileName, "Info"); - this.updateErrorCheck([{ fileName: fileName, project: project }], this.changeSeq, function (n) { return n === _this.changeSeq; }, 100); - } - }; - Session.prototype.logError = function (err, cmd) { - var typedErr = err; - var msg = "Exception on executing command " + cmd; - if (typedErr.message) { - msg += ":\n" + typedErr.message; - if (typedErr.stack) { - msg += "\n" + typedErr.stack; - } - } - this.projectService.log(msg); - }; - Session.prototype.sendLineToClient = function (line) { - this.host.write(line + this.host.newLine); - }; - Session.prototype.send = function (msg) { - var json = JSON.stringify(msg); - if (this.logger.isVerbose()) { - this.logger.info(msg.type + ": " + json); - } - this.sendLineToClient("Content-Length: " + (1 + this.byteLength(json, "utf8")) + - "\r\n\r\n" + json); - }; - Session.prototype.event = function (info, eventName) { - var ev = { - seq: 0, - type: "event", - event: eventName, - body: info - }; - this.send(ev); - }; - Session.prototype.response = function (info, cmdName, reqSeq, errorMsg) { - if (reqSeq === void 0) { reqSeq = 0; } - var res = { - seq: 0, - type: "response", - command: cmdName, - request_seq: reqSeq, - success: !errorMsg - }; - if (!errorMsg) { - res.body = info; - } - else { - res.message = errorMsg; - } - this.send(res); - }; - Session.prototype.output = function (body, commandName, requestSequence, errorMessage) { - if (requestSequence === void 0) { requestSequence = 0; } - this.response(body, commandName, requestSequence, errorMessage); - }; - Session.prototype.semanticCheck = function (file, project) { - try { - var diags = project.compilerService.languageService.getSemanticDiagnostics(file); - if (diags) { - var bakedDiags = diags.map(function (diag) { return formatDiag(file, project, diag); }); - this.event({ file: file, diagnostics: bakedDiags }, "semanticDiag"); - } - } - catch (err) { - this.logError(err, "semantic check"); - } - }; - Session.prototype.syntacticCheck = function (file, project) { - try { - var diags = project.compilerService.languageService.getSyntacticDiagnostics(file); - if (diags) { - var bakedDiags = diags.map(function (diag) { return formatDiag(file, project, diag); }); - this.event({ file: file, diagnostics: bakedDiags }, "syntaxDiag"); - } - } - catch (err) { - this.logError(err, "syntactic check"); - } - }; - Session.prototype.reloadProjects = function () { - this.projectService.reloadProjects(); - }; - Session.prototype.updateProjectStructure = function (seq, matchSeq, ms) { - var _this = this; - if (ms === void 0) { ms = 1500; } - setTimeout(function () { - if (matchSeq(seq)) { - _this.projectService.updateProjectStructure(); - } - }, ms); - }; - Session.prototype.updateErrorCheck = function (checkList, seq, matchSeq, ms, followMs, requireOpen) { - var _this = this; - if (ms === void 0) { ms = 1500; } - if (followMs === void 0) { followMs = 200; } - if (requireOpen === void 0) { requireOpen = true; } - if (followMs > ms) { - followMs = ms; - } - if (this.errorTimer) { - clearTimeout(this.errorTimer); - } - if (this.immediateId) { - clearImmediate(this.immediateId); - this.immediateId = undefined; - } - var index = 0; - var checkOne = function () { - if (matchSeq(seq)) { - var checkSpec_1 = checkList[index]; - index++; - if (checkSpec_1.project.getSourceFileFromName(checkSpec_1.fileName, requireOpen)) { - _this.syntacticCheck(checkSpec_1.fileName, checkSpec_1.project); - _this.immediateId = setImmediate(function () { - _this.semanticCheck(checkSpec_1.fileName, checkSpec_1.project); - _this.immediateId = undefined; - if (checkList.length > index) { - _this.errorTimer = setTimeout(checkOne, followMs); - } - else { - _this.errorTimer = undefined; - } - }); - } - } - }; - if ((checkList.length > index) && (matchSeq(seq))) { - this.errorTimer = setTimeout(checkOne, ms); - } - }; - Session.prototype.getDefinition = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var definitions = compilerService.languageService.getDefinitionAtPosition(file, position); - if (!definitions) { - return undefined; - } - return definitions.map(function (def) { return ({ - file: def.fileName, - start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start), - end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan)) - }); }); - }; - Session.prototype.getTypeDefinition = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var definitions = compilerService.languageService.getTypeDefinitionAtPosition(file, position); - if (!definitions) { - return undefined; - } - return definitions.map(function (def) { return ({ - file: def.fileName, - start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start), - end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan)) - }); }); - }; - Session.prototype.getOccurrences = function (line, offset, fileName) { - fileName = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(fileName); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(fileName, line, offset); - var occurrences = compilerService.languageService.getOccurrencesAtPosition(fileName, position); - if (!occurrences) { - return undefined; - } - return occurrences.map(function (occurrence) { - var fileName = occurrence.fileName, isWriteAccess = occurrence.isWriteAccess, textSpan = occurrence.textSpan; - var start = compilerService.host.positionToLineOffset(fileName, textSpan.start); - var end = compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(textSpan)); - return { - start: start, - end: end, - file: fileName, - isWriteAccess: isWriteAccess - }; - }); - }; - Session.prototype.getDocumentHighlights = function (line, offset, fileName, filesToSearch) { - fileName = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(fileName); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(fileName, line, offset); - var documentHighlights = compilerService.languageService.getDocumentHighlights(fileName, position, filesToSearch); - if (!documentHighlights) { - return undefined; - } - return documentHighlights.map(convertToDocumentHighlightsItem); - function convertToDocumentHighlightsItem(documentHighlights) { - var fileName = documentHighlights.fileName, highlightSpans = documentHighlights.highlightSpans; - return { - file: fileName, - highlightSpans: highlightSpans.map(convertHighlightSpan) - }; - function convertHighlightSpan(highlightSpan) { - var textSpan = highlightSpan.textSpan, kind = highlightSpan.kind; - var start = compilerService.host.positionToLineOffset(fileName, textSpan.start); - var end = compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(textSpan)); - return { start: start, end: end, kind: kind }; - } - } - }; - Session.prototype.getProjectInfo = function (fileName, needFileNameList) { - fileName = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(fileName); - var projectInfo = { - configFileName: project.projectFilename - }; - if (needFileNameList) { - projectInfo.fileNames = project.getFileNames(); - } - return projectInfo; - }; - Session.prototype.getRenameLocations = function (line, offset, fileName, findInComments, findInStrings) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var renameInfo = compilerService.languageService.getRenameInfo(file, position); - if (!renameInfo) { - return undefined; - } - if (!renameInfo.canRename) { - return { - info: renameInfo, - locs: [] - }; - } - var renameLocations = compilerService.languageService.findRenameLocations(file, position, findInStrings, findInComments); - if (!renameLocations) { - return undefined; - } - var bakedRenameLocs = renameLocations.map(function (location) { return ({ - file: location.fileName, - start: compilerService.host.positionToLineOffset(location.fileName, location.textSpan.start), - end: compilerService.host.positionToLineOffset(location.fileName, ts.textSpanEnd(location.textSpan)) - }); }).sort(function (a, b) { - if (a.file < b.file) { - return -1; - } - else if (a.file > b.file) { - return 1; - } - else { - if (a.start.line < b.start.line) { - return 1; - } - else if (a.start.line > b.start.line) { - return -1; - } - else { - return b.start.offset - a.start.offset; - } - } - }).reduce(function (accum, cur) { - var curFileAccum; - if (accum.length > 0) { - curFileAccum = accum[accum.length - 1]; - if (curFileAccum.file != cur.file) { - curFileAccum = undefined; - } - } - if (!curFileAccum) { - curFileAccum = { file: cur.file, locs: [] }; - accum.push(curFileAccum); - } - curFileAccum.locs.push({ start: cur.start, end: cur.end }); - return accum; - }, []); - return { info: renameInfo, locs: bakedRenameLocs }; - }; - Session.prototype.getReferences = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var references = compilerService.languageService.getReferencesAtPosition(file, position); - if (!references) { - return undefined; - } - var nameInfo = compilerService.languageService.getQuickInfoAtPosition(file, position); - if (!nameInfo) { - return undefined; - } - var displayString = ts.displayPartsToString(nameInfo.displayParts); - var nameSpan = nameInfo.textSpan; - var nameColStart = compilerService.host.positionToLineOffset(file, nameSpan.start).offset; - var nameText = compilerService.host.getScriptSnapshot(file).getText(nameSpan.start, ts.textSpanEnd(nameSpan)); - var bakedRefs = references.map(function (ref) { - var start = compilerService.host.positionToLineOffset(ref.fileName, ref.textSpan.start); - var refLineSpan = compilerService.host.lineToTextSpan(ref.fileName, start.line - 1); - var snap = compilerService.host.getScriptSnapshot(ref.fileName); - var lineText = snap.getText(refLineSpan.start, ts.textSpanEnd(refLineSpan)).replace(/\r|\n/g, ""); - return { - file: ref.fileName, - start: start, - lineText: lineText, - end: compilerService.host.positionToLineOffset(ref.fileName, ts.textSpanEnd(ref.textSpan)), - isWriteAccess: ref.isWriteAccess - }; - }).sort(compareFileStart); - return { - refs: bakedRefs, - symbolName: nameText, - symbolStartOffset: nameColStart, - symbolDisplayString: displayString - }; - }; - Session.prototype.openClientFile = function (fileName, fileContent) { - var file = ts.normalizePath(fileName); - this.projectService.openClientFile(file, fileContent); - }; - Session.prototype.getQuickInfo = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var quickInfo = compilerService.languageService.getQuickInfoAtPosition(file, position); - if (!quickInfo) { - return undefined; - } - var displayString = ts.displayPartsToString(quickInfo.displayParts); - var docString = ts.displayPartsToString(quickInfo.documentation); - return { - kind: quickInfo.kind, - kindModifiers: quickInfo.kindModifiers, - start: compilerService.host.positionToLineOffset(file, quickInfo.textSpan.start), - end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(quickInfo.textSpan)), - displayString: displayString, - documentation: docString - }; - }; - Session.prototype.getFormattingEditsForRange = function (line, offset, endLine, endOffset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var startPosition = compilerService.host.lineOffsetToPosition(file, line, offset); - var endPosition = compilerService.host.lineOffsetToPosition(file, endLine, endOffset); - var edits = compilerService.languageService.getFormattingEditsForRange(file, startPosition, endPosition, this.projectService.getFormatCodeOptions(file)); - if (!edits) { - return undefined; - } - return edits.map(function (edit) { - return { - start: compilerService.host.positionToLineOffset(file, edit.span.start), - end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(edit.span)), - newText: edit.newText ? edit.newText : "" - }; - }); - }; - Session.prototype.getFormattingEditsAfterKeystroke = function (line, offset, key, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var formatOptions = this.projectService.getFormatCodeOptions(file); - var edits = compilerService.languageService.getFormattingEditsAfterKeystroke(file, position, key, formatOptions); - if ((key == "\n") && ((!edits) || (edits.length === 0) || allEditsBeforePos(edits, position))) { - var scriptInfo = compilerService.host.getScriptInfo(file); - if (scriptInfo) { - var lineInfo = scriptInfo.getLineInfo(line); - if (lineInfo && (lineInfo.leaf) && (lineInfo.leaf.text)) { - var lineText = lineInfo.leaf.text; - if (lineText.search("\\S") < 0) { - var editorOptions = { - IndentSize: formatOptions.IndentSize, - TabSize: formatOptions.TabSize, - NewLineCharacter: "\n", - ConvertTabsToSpaces: formatOptions.ConvertTabsToSpaces, - IndentStyle: ts.IndentStyle.Smart - }; - var preferredIndent = compilerService.languageService.getIndentationAtPosition(file, position, editorOptions); - var hasIndent = 0; - var i = void 0, len = void 0; - for (i = 0, len = lineText.length; i < len; i++) { - if (lineText.charAt(i) == " ") { - hasIndent++; - } - else if (lineText.charAt(i) == "\t") { - hasIndent += editorOptions.TabSize; - } - else { - break; - } - } - if (preferredIndent !== hasIndent) { - var firstNoWhiteSpacePosition = lineInfo.offset + i; - edits.push({ - span: ts.createTextSpanFromBounds(lineInfo.offset, firstNoWhiteSpacePosition), - newText: generateIndentString(preferredIndent, editorOptions) - }); - } - } - } - } - } - if (!edits) { - return undefined; - } - return edits.map(function (edit) { - return { - start: compilerService.host.positionToLineOffset(file, edit.span.start), - end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(edit.span)), - newText: edit.newText ? edit.newText : "" - }; - }); - }; - Session.prototype.getCompletions = function (line, offset, prefix, fileName) { - if (!prefix) { - prefix = ""; - } - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var completions = compilerService.languageService.getCompletionsAtPosition(file, position); - if (!completions) { - return undefined; - } - return completions.entries.reduce(function (result, entry) { - if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) { - result.push(entry); - } - return result; - }, []).sort(function (a, b) { return a.name.localeCompare(b.name); }); - }; - Session.prototype.getCompletionEntryDetails = function (line, offset, entryNames, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - return entryNames.reduce(function (accum, entryName) { - var details = compilerService.languageService.getCompletionEntryDetails(file, position, entryName); - if (details) { - accum.push(details); - } - return accum; - }, []); - }; - Session.prototype.getSignatureHelpItems = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var helpItems = compilerService.languageService.getSignatureHelpItems(file, position); - if (!helpItems) { - return undefined; - } - var span = helpItems.applicableSpan; - var result = { - items: helpItems.items, - applicableSpan: { - start: compilerService.host.positionToLineOffset(file, span.start), - end: compilerService.host.positionToLineOffset(file, span.start + span.length) - }, - selectedItemIndex: helpItems.selectedItemIndex, - argumentIndex: helpItems.argumentIndex, - argumentCount: helpItems.argumentCount - }; - return result; - }; - Session.prototype.getDiagnostics = function (delay, fileNames) { - var _this = this; - var checkList = fileNames.reduce(function (accum, fileName) { - fileName = ts.normalizePath(fileName); - var project = _this.projectService.getProjectForFile(fileName); - if (project) { - accum.push({ fileName: fileName, project: project }); - } - return accum; - }, []); - if (checkList.length > 0) { - this.updateErrorCheck(checkList, this.changeSeq, function (n) { return n === _this.changeSeq; }, delay); - } - }; - Session.prototype.change = function (line, offset, endLine, endOffset, insertString, fileName) { - var _this = this; - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (project) { - var compilerService = project.compilerService; - var start = compilerService.host.lineOffsetToPosition(file, line, offset); - var end = compilerService.host.lineOffsetToPosition(file, endLine, endOffset); - if (start >= 0) { - compilerService.host.editScript(file, start, end, insertString); - this.changeSeq++; - } - this.updateProjectStructure(this.changeSeq, function (n) { return n === _this.changeSeq; }); - } - }; - Session.prototype.reload = function (fileName, tempFileName, reqSeq) { - var _this = this; - if (reqSeq === void 0) { reqSeq = 0; } - var file = ts.normalizePath(fileName); - var tmpfile = ts.normalizePath(tempFileName); - var project = this.projectService.getProjectForFile(file); - if (project) { - this.changeSeq++; - project.compilerService.host.reloadScript(file, tmpfile, function () { - _this.output(undefined, CommandNames.Reload, reqSeq); - }); - } - }; - Session.prototype.saveToTmp = function (fileName, tempFileName) { - var file = ts.normalizePath(fileName); - var tmpfile = ts.normalizePath(tempFileName); - var project = this.projectService.getProjectForFile(file); - if (project) { - project.compilerService.host.saveTo(file, tmpfile); - } - }; - Session.prototype.closeClientFile = function (fileName) { - if (!fileName) { - return; - } - var file = ts.normalizePath(fileName); - this.projectService.closeClientFile(file); - }; - Session.prototype.decorateNavigationBarItem = function (project, fileName, items) { - var _this = this; - if (!items) { - return undefined; - } - var compilerService = project.compilerService; - return items.map(function (item) { return ({ - text: item.text, - kind: item.kind, - kindModifiers: item.kindModifiers, - spans: item.spans.map(function (span) { return ({ - start: compilerService.host.positionToLineOffset(fileName, span.start), - end: compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(span)) - }); }), - childItems: _this.decorateNavigationBarItem(project, fileName, item.childItems) - }); }); - }; - Session.prototype.getNavigationBarItems = function (fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var items = compilerService.languageService.getNavigationBarItems(file); - if (!items) { - return undefined; - } - return this.decorateNavigationBarItem(project, fileName, items); - }; - Session.prototype.getNavigateToItems = function (searchValue, fileName, maxResultCount) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var navItems = compilerService.languageService.getNavigateToItems(searchValue, maxResultCount); - if (!navItems) { - return undefined; - } - return navItems.map(function (navItem) { - var start = compilerService.host.positionToLineOffset(navItem.fileName, navItem.textSpan.start); - var end = compilerService.host.positionToLineOffset(navItem.fileName, ts.textSpanEnd(navItem.textSpan)); - var bakedItem = { - name: navItem.name, - kind: navItem.kind, - file: navItem.fileName, - start: start, - end: end - }; - if (navItem.kindModifiers && (navItem.kindModifiers != "")) { - bakedItem.kindModifiers = navItem.kindModifiers; - } - if (navItem.matchKind !== "none") { - bakedItem.matchKind = navItem.matchKind; - } - if (navItem.containerName && (navItem.containerName.length > 0)) { - bakedItem.containerName = navItem.containerName; - } - if (navItem.containerKind && (navItem.containerKind.length > 0)) { - bakedItem.containerKind = navItem.containerKind; - } - return bakedItem; - }); - }; - Session.prototype.getBraceMatching = function (line, offset, fileName) { - var file = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(file); - if (!project) { - throw Errors.NoProject; - } - var compilerService = project.compilerService; - var position = compilerService.host.lineOffsetToPosition(file, line, offset); - var spans = compilerService.languageService.getBraceMatchingAtPosition(file, position); - if (!spans) { - return undefined; - } - return spans.map(function (span) { return ({ - start: compilerService.host.positionToLineOffset(file, span.start), - end: compilerService.host.positionToLineOffset(file, span.start + span.length) - }); }); - }; - Session.prototype.getDiagnosticsForProject = function (delay, fileName) { - var _this = this; - var fileNames = this.getProjectInfo(fileName, true).fileNames; - var fileNamesInProject = fileNames.filter(function (value, index, array) { return value.indexOf("lib.d.ts") < 0; }); - var highPriorityFiles = []; - var mediumPriorityFiles = []; - var lowPriorityFiles = []; - var veryLowPriorityFiles = []; - var normalizedFileName = ts.normalizePath(fileName); - var project = this.projectService.getProjectForFile(normalizedFileName); - for (var _i = 0, fileNamesInProject_1 = fileNamesInProject; _i < fileNamesInProject_1.length; _i++) { - var fileNameInProject = fileNamesInProject_1[_i]; - if (this.getCanonicalFileName(fileNameInProject) == this.getCanonicalFileName(fileName)) - highPriorityFiles.push(fileNameInProject); - else { - var info = this.projectService.getScriptInfo(fileNameInProject); - if (!info.isOpen) { - if (fileNameInProject.indexOf(".d.ts") > 0) - veryLowPriorityFiles.push(fileNameInProject); - else - lowPriorityFiles.push(fileNameInProject); - } - else - mediumPriorityFiles.push(fileNameInProject); - } - } - fileNamesInProject = highPriorityFiles.concat(mediumPriorityFiles).concat(lowPriorityFiles).concat(veryLowPriorityFiles); - if (fileNamesInProject.length > 0) { - var checkList = fileNamesInProject.map(function (fileName) { - var normalizedFileName = ts.normalizePath(fileName); - return { fileName: normalizedFileName, project: project }; - }); - this.updateErrorCheck(checkList, this.changeSeq, function (n) { return n == _this.changeSeq; }, delay, 200, false); - } - }; - Session.prototype.getCanonicalFileName = function (fileName) { - var name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - return ts.normalizePath(name); - }; - Session.prototype.exit = function () { - }; - Session.prototype.addProtocolHandler = function (command, handler) { - if (this.handlers[command]) { - throw new Error("Protocol handler already exists for command \"" + command + "\""); - } - this.handlers[command] = handler; - }; - Session.prototype.executeCommand = function (request) { - var handler = this.handlers[request.command]; - if (handler) { - return handler(request); - } - else { - this.projectService.log("Unrecognized JSON command: " + JSON.stringify(request)); - this.output(undefined, CommandNames.Unknown, request.seq, "Unrecognized JSON command: " + request.command); - return { responseRequired: false }; - } - }; - Session.prototype.onMessage = function (message) { - var start; - if (this.logger.isVerbose()) { - this.logger.info("request: " + message); - start = this.hrtime(); - } - var request; - try { - request = JSON.parse(message); - var _a = this.executeCommand(request), response = _a.response, responseRequired = _a.responseRequired; - if (this.logger.isVerbose()) { - var elapsed = this.hrtime(start); - var seconds = elapsed[0]; - var nanoseconds = elapsed[1]; - var elapsedMs = ((1e9 * seconds) + nanoseconds) / 1000000.0; - var leader = "Elapsed time (in milliseconds)"; - if (!responseRequired) { - leader = "Async elapsed time (in milliseconds)"; - } - this.logger.msg(leader + ": " + elapsedMs.toFixed(4).toString(), "Perf"); - } - if (response) { - this.output(response, request.command, request.seq); - } - else if (responseRequired) { - this.output(undefined, request.command, request.seq, "No content available."); - } - } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - } - this.logError(err, message); - this.output(undefined, request ? request.command : CommandNames.Unknown, request ? request.seq : 0, "Error processing request. " + err.message); - } - }; - return Session; - }()); - server.Session = Session; - })(server = ts.server || (ts.server = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var server; - (function (server) { - var lineCollectionCapacity = 4; - function mergeFormatOptions(formatCodeOptions, formatOptions) { - var hasOwnProperty = Object.prototype.hasOwnProperty; - Object.keys(formatOptions).forEach(function (key) { - var codeKey = key.charAt(0).toUpperCase() + key.substring(1); - if (hasOwnProperty.call(formatCodeOptions, codeKey)) { - formatCodeOptions[codeKey] = formatOptions[key]; - } - }); - } - var ScriptInfo = (function () { - function ScriptInfo(host, fileName, content, isOpen) { - if (isOpen === void 0) { isOpen = false; } - this.host = host; - this.fileName = fileName; - this.content = content; - this.isOpen = isOpen; - this.children = []; - this.formatCodeOptions = ts.clone(CompilerService.defaultFormatCodeOptions); - this.path = ts.toPath(fileName, host.getCurrentDirectory(), ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames)); - this.svc = ScriptVersionCache.fromString(host, content); - } - ScriptInfo.prototype.setFormatOptions = function (formatOptions) { - if (formatOptions) { - mergeFormatOptions(this.formatCodeOptions, formatOptions); - } - }; - ScriptInfo.prototype.close = function () { - this.isOpen = false; - }; - ScriptInfo.prototype.addChild = function (childInfo) { - this.children.push(childInfo); - }; - ScriptInfo.prototype.snap = function () { - return this.svc.getSnapshot(); - }; - ScriptInfo.prototype.getText = function () { - var snap = this.snap(); - return snap.getText(0, snap.getLength()); - }; - ScriptInfo.prototype.getLineInfo = function (line) { - var snap = this.snap(); - return snap.index.lineNumberToInfo(line); - }; - ScriptInfo.prototype.editContent = function (start, end, newText) { - this.svc.edit(start, end - start, newText); - }; - ScriptInfo.prototype.getTextChangeRangeBetweenVersions = function (startVersion, endVersion) { - return this.svc.getTextChangesBetweenVersions(startVersion, endVersion); - }; - ScriptInfo.prototype.getChangeRange = function (oldSnapshot) { - return this.snap().getChangeRange(oldSnapshot); - }; - return ScriptInfo; - }()); - server.ScriptInfo = ScriptInfo; - var LSHost = (function () { - function LSHost(host, project) { - var _this = this; - this.host = host; - this.project = project; - this.roots = []; - this.getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); - this.resolvedModuleNames = ts.createFileMap(); - this.filenameToScript = ts.createFileMap(); - this.moduleResolutionHost = { - fileExists: function (fileName) { return _this.fileExists(fileName); }, - readFile: function (fileName) { return _this.host.readFile(fileName); }, - directoryExists: function (directoryName) { return _this.host.directoryExists(directoryName); } - }; - } - LSHost.prototype.resolveModuleNames = function (moduleNames, containingFile) { - var path = ts.toPath(containingFile, this.host.getCurrentDirectory(), this.getCanonicalFileName); - var currentResolutionsInFile = this.resolvedModuleNames.get(path); - var newResolutions = {}; - var resolvedModules = []; - var compilerOptions = this.getCompilationSettings(); - for (var _i = 0, moduleNames_2 = moduleNames; _i < moduleNames_2.length; _i++) { - var moduleName = moduleNames_2[_i]; - var resolution = ts.lookUp(newResolutions, moduleName); - if (!resolution) { - var existingResolution = currentResolutionsInFile && ts.lookUp(currentResolutionsInFile, moduleName); - if (moduleResolutionIsValid(existingResolution)) { - resolution = existingResolution; - } - else { - resolution = ts.resolveModuleName(moduleName, containingFile, compilerOptions, this.moduleResolutionHost); - resolution.lastCheckTime = Date.now(); - newResolutions[moduleName] = resolution; - } - } - ts.Debug.assert(resolution !== undefined); - resolvedModules.push(resolution.resolvedModule); - } - this.resolvedModuleNames.set(path, newResolutions); - return resolvedModules; - function moduleResolutionIsValid(resolution) { - if (!resolution) { - return false; - } - if (resolution.resolvedModule) { - return true; - } - return resolution.failedLookupLocations.length === 0; - } - }; - LSHost.prototype.getDefaultLibFileName = function () { - var nodeModuleBinDir = ts.getDirectoryPath(ts.normalizePath(this.host.getExecutingFilePath())); - return ts.combinePaths(nodeModuleBinDir, ts.getDefaultLibFileName(this.compilationSettings)); - }; - LSHost.prototype.getScriptSnapshot = function (filename) { - var scriptInfo = this.getScriptInfo(filename); - if (scriptInfo) { - return scriptInfo.snap(); - } - }; - LSHost.prototype.setCompilationSettings = function (opt) { - this.compilationSettings = opt; - this.resolvedModuleNames.clear(); - }; - LSHost.prototype.lineAffectsRefs = function (filename, line) { - var info = this.getScriptInfo(filename); - var lineInfo = info.getLineInfo(line); - if (lineInfo && lineInfo.text) { - var regex = /reference|import|\/\*|\*\//; - return regex.test(lineInfo.text); - } - }; - LSHost.prototype.getCompilationSettings = function () { - return this.compilationSettings; - }; - LSHost.prototype.getScriptFileNames = function () { - return this.roots.map(function (root) { return root.fileName; }); - }; - LSHost.prototype.getScriptVersion = function (filename) { - return this.getScriptInfo(filename).svc.latestVersion().toString(); - }; - LSHost.prototype.getCurrentDirectory = function () { - return ""; - }; - LSHost.prototype.getScriptIsOpen = function (filename) { - return this.getScriptInfo(filename).isOpen; - }; - LSHost.prototype.removeReferencedFile = function (info) { - if (!info.isOpen) { - this.filenameToScript.remove(info.path); - this.resolvedModuleNames.remove(info.path); - } - }; - LSHost.prototype.getScriptInfo = function (filename) { - var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); - var scriptInfo = this.filenameToScript.get(path); - if (!scriptInfo) { - scriptInfo = this.project.openReferencedFile(filename); - if (scriptInfo) { - this.filenameToScript.set(path, scriptInfo); - } - } - return scriptInfo; - }; - LSHost.prototype.addRoot = function (info) { - if (!this.filenameToScript.contains(info.path)) { - this.filenameToScript.set(info.path, info); - this.roots.push(info); - } - }; - LSHost.prototype.removeRoot = function (info) { - if (!this.filenameToScript.contains(info.path)) { - this.filenameToScript.remove(info.path); - this.roots = copyListRemovingItem(info, this.roots); - this.resolvedModuleNames.remove(info.path); - } - }; - LSHost.prototype.saveTo = function (filename, tmpfilename) { - var script = this.getScriptInfo(filename); - if (script) { - var snap = script.snap(); - this.host.writeFile(tmpfilename, snap.getText(0, snap.getLength())); - } - }; - LSHost.prototype.reloadScript = function (filename, tmpfilename, cb) { - var script = this.getScriptInfo(filename); - if (script) { - script.svc.reloadFromFile(tmpfilename, cb); - } - }; - LSHost.prototype.editScript = function (filename, start, end, newText) { - var script = this.getScriptInfo(filename); - if (script) { - script.editContent(start, end, newText); - return; - } - throw new Error("No script with name '" + filename + "'"); - }; - LSHost.prototype.resolvePath = function (path) { - var result = this.host.resolvePath(path); - return result; - }; - LSHost.prototype.fileExists = function (path) { - var result = this.host.fileExists(path); - return result; - }; - LSHost.prototype.directoryExists = function (path) { - return this.host.directoryExists(path); - }; - LSHost.prototype.lineToTextSpan = function (filename, line) { - var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); - var script = this.filenameToScript.get(path); - var index = script.snap().index; - var lineInfo = index.lineNumberToInfo(line + 1); - var len; - if (lineInfo.leaf) { - len = lineInfo.leaf.text.length; - } - else { - var nextLineInfo = index.lineNumberToInfo(line + 2); - len = nextLineInfo.offset - lineInfo.offset; - } - return ts.createTextSpan(lineInfo.offset, len); - }; - LSHost.prototype.lineOffsetToPosition = function (filename, line, offset) { - var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); - var script = this.filenameToScript.get(path); - var index = script.snap().index; - var lineInfo = index.lineNumberToInfo(line); - return (lineInfo.offset + offset - 1); - }; - LSHost.prototype.positionToLineOffset = function (filename, position) { - var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); - var script = this.filenameToScript.get(path); - var index = script.snap().index; - var lineOffset = index.charOffsetToLineNumberAndPos(position); - return { line: lineOffset.line, offset: lineOffset.offset + 1 }; - }; - return LSHost; - }()); - server.LSHost = LSHost; - var Project = (function () { - function Project(projectService, projectOptions) { - this.projectService = projectService; - this.projectOptions = projectOptions; - this.directoriesWatchedForTsconfig = []; - this.filenameToSourceFile = {}; - this.updateGraphSeq = 0; - this.openRefCount = 0; - if (projectOptions && projectOptions.files) { - projectOptions.compilerOptions.allowNonTsExtensions = true; - } - this.compilerService = new CompilerService(this, projectOptions && projectOptions.compilerOptions); - } - Project.prototype.addOpenRef = function () { - this.openRefCount++; - }; - Project.prototype.deleteOpenRef = function () { - this.openRefCount--; - return this.openRefCount; - }; - Project.prototype.openReferencedFile = function (filename) { - return this.projectService.openFile(filename, false); - }; - Project.prototype.getRootFiles = function () { - return this.compilerService.host.roots.map(function (info) { return info.fileName; }); - }; - Project.prototype.getFileNames = function () { - var sourceFiles = this.program.getSourceFiles(); - return sourceFiles.map(function (sourceFile) { return sourceFile.fileName; }); - }; - Project.prototype.getSourceFile = function (info) { - return this.filenameToSourceFile[info.fileName]; - }; - Project.prototype.getSourceFileFromName = function (filename, requireOpen) { - var info = this.projectService.getScriptInfo(filename); - if (info) { - if ((!requireOpen) || info.isOpen) { - return this.getSourceFile(info); - } - } - }; - Project.prototype.isRoot = function (info) { - return this.compilerService.host.roots.some(function (root) { return root === info; }); - }; - Project.prototype.removeReferencedFile = function (info) { - this.compilerService.host.removeReferencedFile(info); - this.updateGraph(); - }; - Project.prototype.updateFileMap = function () { - this.filenameToSourceFile = {}; - var sourceFiles = this.program.getSourceFiles(); - for (var i = 0, len = sourceFiles.length; i < len; i++) { - var normFilename = ts.normalizePath(sourceFiles[i].fileName); - this.filenameToSourceFile[normFilename] = sourceFiles[i]; - } - }; - Project.prototype.finishGraph = function () { - this.updateGraph(); - this.compilerService.languageService.getNavigateToItems(".*"); - }; - Project.prototype.updateGraph = function () { - this.program = this.compilerService.languageService.getProgram(); - this.updateFileMap(); - }; - Project.prototype.isConfiguredProject = function () { - return this.projectFilename; - }; - Project.prototype.addRoot = function (info) { - this.compilerService.host.addRoot(info); - }; - Project.prototype.removeRoot = function (info) { - this.compilerService.host.removeRoot(info); - }; - Project.prototype.filesToString = function () { - var strBuilder = ""; - ts.forEachValue(this.filenameToSourceFile, function (sourceFile) { strBuilder += sourceFile.fileName + "\n"; }); - return strBuilder; - }; - Project.prototype.setProjectOptions = function (projectOptions) { - this.projectOptions = projectOptions; - if (projectOptions.compilerOptions) { - projectOptions.compilerOptions.allowNonTsExtensions = true; - this.compilerService.setCompilerOptions(projectOptions.compilerOptions); - } - }; - return Project; - }()); - server.Project = Project; - function copyListRemovingItem(item, list) { - var copiedList = []; - for (var i = 0, len = list.length; i < len; i++) { - if (list[i] != item) { - copiedList.push(list[i]); - } - } - return copiedList; - } - var ProjectService = (function () { - function ProjectService(host, psLogger, eventHandler) { - this.host = host; - this.psLogger = psLogger; - this.eventHandler = eventHandler; - this.filenameToScriptInfo = {}; - this.openFileRoots = []; - this.inferredProjects = []; - this.configuredProjects = []; - this.openFilesReferenced = []; - this.openFileRootsConfigured = []; - this.directoryWatchersForTsconfig = {}; - this.directoryWatchersRefCount = {}; - this.timerForDetectingProjectFileListChanges = {}; - this.addDefaultHostConfiguration(); - } - ProjectService.prototype.addDefaultHostConfiguration = function () { - this.hostConfiguration = { - formatCodeOptions: ts.clone(CompilerService.defaultFormatCodeOptions), - hostInfo: "Unknown host" - }; - }; - ProjectService.prototype.getFormatCodeOptions = function (file) { - if (file) { - var info = this.filenameToScriptInfo[file]; - if (info) { - return info.formatCodeOptions; - } - } - return this.hostConfiguration.formatCodeOptions; - }; - ProjectService.prototype.watchedFileChanged = function (fileName) { - var info = this.filenameToScriptInfo[fileName]; - if (!info) { - this.psLogger.info("Error: got watch notification for unknown file: " + fileName); - } - if (!this.host.fileExists(fileName)) { - this.fileDeletedInFilesystem(info); - } - else { - if (info && (!info.isOpen)) { - info.svc.reloadFromFile(info.fileName); - } - } - }; - ProjectService.prototype.directoryWatchedForSourceFilesChanged = function (project, fileName) { - if (fileName && !ts.isSupportedSourceFileName(fileName, project.projectOptions ? project.projectOptions.compilerOptions : undefined)) { - return; - } - this.log("Detected source file changes: " + fileName); - this.startTimerForDetectingProjectFileListChanges(project); - }; - ProjectService.prototype.startTimerForDetectingProjectFileListChanges = function (project) { - var _this = this; - if (this.timerForDetectingProjectFileListChanges[project.projectFilename]) { - clearTimeout(this.timerForDetectingProjectFileListChanges[project.projectFilename]); - } - this.timerForDetectingProjectFileListChanges[project.projectFilename] = setTimeout(function () { return _this.handleProjectFileListChanges(project); }, 250); - }; - ProjectService.prototype.handleProjectFileListChanges = function (project) { - var _this = this; - var projectOptions = this.configFileToProjectOptions(project.projectFilename).projectOptions; - var newRootFiles = projectOptions.files.map((function (f) { return _this.getCanonicalFileName(f); })); - var currentRootFiles = project.getRootFiles().map((function (f) { return _this.getCanonicalFileName(f); })); - if (!ts.arrayIsEqualTo(currentRootFiles && currentRootFiles.sort(), newRootFiles && newRootFiles.sort())) { - this.updateConfiguredProject(project); - this.updateProjectStructure(); - } - }; - ProjectService.prototype.directoryWatchedForTsconfigChanged = function (fileName) { - var _this = this; - if (ts.getBaseFileName(fileName) != "tsconfig.json") { - this.log(fileName + " is not tsconfig.json"); - return; - } - this.log("Detected newly added tsconfig file: " + fileName); - var projectOptions = this.configFileToProjectOptions(fileName).projectOptions; - var rootFilesInTsconfig = projectOptions.files.map(function (f) { return _this.getCanonicalFileName(f); }); - var openFileRoots = this.openFileRoots.map(function (s) { return _this.getCanonicalFileName(s.fileName); }); - for (var _i = 0, openFileRoots_1 = openFileRoots; _i < openFileRoots_1.length; _i++) { - var openFileRoot = openFileRoots_1[_i]; - if (rootFilesInTsconfig.indexOf(openFileRoot) >= 0) { - this.reloadProjects(); - return; - } - } - }; - ProjectService.prototype.getCanonicalFileName = function (fileName) { - var name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - return ts.normalizePath(name); - }; - ProjectService.prototype.watchedProjectConfigFileChanged = function (project) { - this.log("Config file changed: " + project.projectFilename); - this.updateConfiguredProject(project); - this.updateProjectStructure(); - }; - ProjectService.prototype.log = function (msg, type) { - if (type === void 0) { type = "Err"; } - this.psLogger.msg(msg, type); - }; - ProjectService.prototype.setHostConfiguration = function (args) { - if (args.file) { - var info = this.filenameToScriptInfo[args.file]; - if (info) { - info.setFormatOptions(args.formatOptions); - this.log("Host configuration update for file " + args.file, "Info"); - } - } - else { - if (args.hostInfo !== undefined) { - this.hostConfiguration.hostInfo = args.hostInfo; - this.log("Host information " + args.hostInfo, "Info"); - } - if (args.formatOptions) { - mergeFormatOptions(this.hostConfiguration.formatCodeOptions, args.formatOptions); - this.log("Format host information updated", "Info"); - } - } - }; - ProjectService.prototype.closeLog = function () { - this.psLogger.close(); - }; - ProjectService.prototype.createInferredProject = function (root) { - var _this = this; - var project = new Project(this); - project.addRoot(root); - var currentPath = ts.getDirectoryPath(root.fileName); - var parentPath = ts.getDirectoryPath(currentPath); - while (currentPath != parentPath) { - if (!project.projectService.directoryWatchersForTsconfig[currentPath]) { - this.log("Add watcher for: " + currentPath); - project.projectService.directoryWatchersForTsconfig[currentPath] = - this.host.watchDirectory(currentPath, function (fileName) { return _this.directoryWatchedForTsconfigChanged(fileName); }); - project.projectService.directoryWatchersRefCount[currentPath] = 1; - } - else { - project.projectService.directoryWatchersRefCount[currentPath] += 1; - } - project.directoriesWatchedForTsconfig.push(currentPath); - currentPath = parentPath; - parentPath = ts.getDirectoryPath(parentPath); - } - project.finishGraph(); - this.inferredProjects.push(project); - return project; - }; - ProjectService.prototype.fileDeletedInFilesystem = function (info) { - this.psLogger.info(info.fileName + " deleted"); - if (info.fileWatcher) { - info.fileWatcher.close(); - info.fileWatcher = undefined; - } - if (!info.isOpen) { - this.filenameToScriptInfo[info.fileName] = undefined; - var referencingProjects = this.findReferencingProjects(info); - if (info.defaultProject) { - info.defaultProject.removeRoot(info); - } - for (var i = 0, len = referencingProjects.length; i < len; i++) { - referencingProjects[i].removeReferencedFile(info); - } - for (var j = 0, flen = this.openFileRoots.length; j < flen; j++) { - var openFile = this.openFileRoots[j]; - if (this.eventHandler) { - this.eventHandler("context", openFile.defaultProject, openFile.fileName); - } - } - for (var j = 0, flen = this.openFilesReferenced.length; j < flen; j++) { - var openFile = this.openFilesReferenced[j]; - if (this.eventHandler) { - this.eventHandler("context", openFile.defaultProject, openFile.fileName); - } - } - } - this.printProjects(); - }; - ProjectService.prototype.updateConfiguredProjectList = function () { - var configuredProjects = []; - for (var i = 0, len = this.configuredProjects.length; i < len; i++) { - if (this.configuredProjects[i].openRefCount > 0) { - configuredProjects.push(this.configuredProjects[i]); - } - } - this.configuredProjects = configuredProjects; - }; - ProjectService.prototype.removeProject = function (project) { - this.log("remove project: " + project.getRootFiles().toString()); - if (project.isConfiguredProject()) { - project.projectFileWatcher.close(); - project.directoryWatcher.close(); - this.configuredProjects = copyListRemovingItem(project, this.configuredProjects); - } - else { - for (var _i = 0, _a = project.directoriesWatchedForTsconfig; _i < _a.length; _i++) { - var directory = _a[_i]; - project.projectService.directoryWatchersRefCount[directory]--; - if (!project.projectService.directoryWatchersRefCount[directory]) { - this.log("Close directory watcher for: " + directory); - project.projectService.directoryWatchersForTsconfig[directory].close(); - delete project.projectService.directoryWatchersForTsconfig[directory]; - } - } - this.inferredProjects = copyListRemovingItem(project, this.inferredProjects); - } - var fileNames = project.getFileNames(); - for (var _b = 0, fileNames_1 = fileNames; _b < fileNames_1.length; _b++) { - var fileName = fileNames_1[_b]; - var info = this.getScriptInfo(fileName); - if (info.defaultProject == project) { - info.defaultProject = undefined; - } - } - }; - ProjectService.prototype.setConfiguredProjectRoot = function (info) { - for (var i = 0, len = this.configuredProjects.length; i < len; i++) { - var configuredProject = this.configuredProjects[i]; - if (configuredProject.isRoot(info)) { - info.defaultProject = configuredProject; - configuredProject.addOpenRef(); - return true; - } - } - return false; - }; - ProjectService.prototype.addOpenFile = function (info) { - if (this.setConfiguredProjectRoot(info)) { - this.openFileRootsConfigured.push(info); - } - else { - this.findReferencingProjects(info); - if (info.defaultProject) { - this.openFilesReferenced.push(info); - } - else { - info.defaultProject = this.createInferredProject(info); - var openFileRoots = []; - for (var i = 0, len = this.openFileRoots.length; i < len; i++) { - var r = this.openFileRoots[i]; - if (info.defaultProject.getSourceFile(r)) { - this.removeProject(r.defaultProject); - this.openFilesReferenced.push(r); - r.defaultProject = info.defaultProject; - } - else { - openFileRoots.push(r); - } - } - this.openFileRoots = openFileRoots; - this.openFileRoots.push(info); - } - } - this.updateConfiguredProjectList(); - }; - ProjectService.prototype.closeOpenFile = function (info) { - info.svc.reloadFromFile(info.fileName); - var openFileRoots = []; - var removedProject; - for (var i = 0, len = this.openFileRoots.length; i < len; i++) { - if (info === this.openFileRoots[i]) { - removedProject = info.defaultProject; - } - else { - openFileRoots.push(this.openFileRoots[i]); - } - } - this.openFileRoots = openFileRoots; - if (!removedProject) { - var openFileRootsConfigured = []; - for (var i = 0, len = this.openFileRootsConfigured.length; i < len; i++) { - if (info === this.openFileRootsConfigured[i]) { - if (info.defaultProject.deleteOpenRef() === 0) { - removedProject = info.defaultProject; - } - } - else { - openFileRootsConfigured.push(this.openFileRootsConfigured[i]); - } - } - this.openFileRootsConfigured = openFileRootsConfigured; - } - if (removedProject) { - this.removeProject(removedProject); - var openFilesReferenced = []; - var orphanFiles = []; - for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { - var f = this.openFilesReferenced[i]; - if (f.defaultProject === removedProject || !f.defaultProject) { - f.defaultProject = undefined; - orphanFiles.push(f); - } - else { - openFilesReferenced.push(f); - } - } - this.openFilesReferenced = openFilesReferenced; - for (var i = 0, len = orphanFiles.length; i < len; i++) { - this.addOpenFile(orphanFiles[i]); - } - } - else { - this.openFilesReferenced = copyListRemovingItem(info, this.openFilesReferenced); - } - info.close(); - }; - ProjectService.prototype.findReferencingProjects = function (info, excludedProject) { - var referencingProjects = []; - info.defaultProject = undefined; - for (var i = 0, len = this.inferredProjects.length; i < len; i++) { - var inferredProject = this.inferredProjects[i]; - inferredProject.updateGraph(); - if (inferredProject !== excludedProject) { - if (inferredProject.getSourceFile(info)) { - info.defaultProject = inferredProject; - referencingProjects.push(inferredProject); - } - } - } - for (var i = 0, len = this.configuredProjects.length; i < len; i++) { - var configuredProject = this.configuredProjects[i]; - configuredProject.updateGraph(); - if (configuredProject.getSourceFile(info)) { - info.defaultProject = configuredProject; - } - } - return referencingProjects; - }; - ProjectService.prototype.reloadProjects = function () { - this.log("reload projects."); - for (var _i = 0, _a = this.openFileRoots; _i < _a.length; _i++) { - var info = _a[_i]; - this.openOrUpdateConfiguredProjectForFile(info.fileName); - } - this.updateProjectStructure(); - }; - ProjectService.prototype.updateProjectStructure = function () { - this.log("updating project structure from ...", "Info"); - this.printProjects(); - var unattachedOpenFiles = []; - var openFileRootsConfigured = []; - for (var _i = 0, _a = this.openFileRootsConfigured; _i < _a.length; _i++) { - var info = _a[_i]; - var project = info.defaultProject; - if (!project || !(project.getSourceFile(info))) { - info.defaultProject = undefined; - unattachedOpenFiles.push(info); - } - else { - openFileRootsConfigured.push(info); - } - } - this.openFileRootsConfigured = openFileRootsConfigured; - var openFilesReferenced = []; - for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { - var referencedFile = this.openFilesReferenced[i]; - referencedFile.defaultProject.updateGraph(); - var sourceFile = referencedFile.defaultProject.getSourceFile(referencedFile); - if (sourceFile) { - openFilesReferenced.push(referencedFile); - } - else { - unattachedOpenFiles.push(referencedFile); - } - } - this.openFilesReferenced = openFilesReferenced; - var openFileRoots = []; - for (var i = 0, len = this.openFileRoots.length; i < len; i++) { - var rootFile = this.openFileRoots[i]; - var rootedProject = rootFile.defaultProject; - var referencingProjects = this.findReferencingProjects(rootFile, rootedProject); - if (rootFile.defaultProject && rootFile.defaultProject.isConfiguredProject()) { - if (!rootedProject.isConfiguredProject()) { - this.removeProject(rootedProject); - } - this.openFileRootsConfigured.push(rootFile); - } - else { - if (referencingProjects.length === 0) { - rootFile.defaultProject = rootedProject; - openFileRoots.push(rootFile); - } - else { - this.removeProject(rootedProject); - this.openFilesReferenced.push(rootFile); - } - } - } - this.openFileRoots = openFileRoots; - for (var i = 0, len = unattachedOpenFiles.length; i < len; i++) { - this.addOpenFile(unattachedOpenFiles[i]); - } - this.printProjects(); - }; - ProjectService.prototype.getScriptInfo = function (filename) { - filename = ts.normalizePath(filename); - return ts.lookUp(this.filenameToScriptInfo, filename); - }; - ProjectService.prototype.openFile = function (fileName, openedByClient, fileContent) { - var _this = this; - fileName = ts.normalizePath(fileName); - var info = ts.lookUp(this.filenameToScriptInfo, fileName); - if (!info) { - var content = void 0; - if (this.host.fileExists(fileName)) { - content = fileContent || this.host.readFile(fileName); - } - if (!content) { - if (openedByClient) { - content = ""; - } - } - if (content !== undefined) { - info = new ScriptInfo(this.host, fileName, content, openedByClient); - info.setFormatOptions(this.getFormatCodeOptions()); - this.filenameToScriptInfo[fileName] = info; - if (!info.isOpen) { - info.fileWatcher = this.host.watchFile(ts.toPath(fileName, fileName, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), function (_) { _this.watchedFileChanged(fileName); }); - } - } - } - if (info) { - if (fileContent) { - info.svc.reload(fileContent); - } - if (openedByClient) { - info.isOpen = true; - } - } - return info; - }; - ProjectService.prototype.findConfigFile = function (searchPath) { - while (true) { - var tsconfigFileName = ts.combinePaths(searchPath, "tsconfig.json"); - if (this.host.fileExists(tsconfigFileName)) { - return tsconfigFileName; - } - var jsconfigFileName = ts.combinePaths(searchPath, "jsconfig.json"); - if (this.host.fileExists(jsconfigFileName)) { - return jsconfigFileName; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - } - return undefined; - }; - ProjectService.prototype.openClientFile = function (fileName, fileContent) { - this.openOrUpdateConfiguredProjectForFile(fileName); - var info = this.openFile(fileName, true, fileContent); - this.addOpenFile(info); - this.printProjects(); - return info; - }; - ProjectService.prototype.openOrUpdateConfiguredProjectForFile = function (fileName) { - var searchPath = ts.normalizePath(ts.getDirectoryPath(fileName)); - this.log("Search path: " + searchPath, "Info"); - var configFileName = this.findConfigFile(searchPath); - if (configFileName) { - this.log("Config file name: " + configFileName, "Info"); - var project = this.findConfiguredProjectByConfigFile(configFileName); - if (!project) { - var configResult = this.openConfigFile(configFileName, fileName); - if (!configResult.success) { - this.log("Error opening config file " + configFileName + " " + configResult.errorMsg); - } - else { - this.log("Opened configuration file " + configFileName, "Info"); - this.configuredProjects.push(configResult.project); - } - } - else { - this.updateConfiguredProject(project); - } - } - else { - this.log("No config files found."); - } - }; - ProjectService.prototype.closeClientFile = function (filename) { - var info = ts.lookUp(this.filenameToScriptInfo, filename); - if (info) { - this.closeOpenFile(info); - info.isOpen = false; - } - this.printProjects(); - }; - ProjectService.prototype.getProjectForFile = function (filename) { - var scriptInfo = ts.lookUp(this.filenameToScriptInfo, filename); - if (scriptInfo) { - return scriptInfo.defaultProject; - } - }; - ProjectService.prototype.printProjectsForFile = function (filename) { - var scriptInfo = ts.lookUp(this.filenameToScriptInfo, filename); - if (scriptInfo) { - this.psLogger.startGroup(); - this.psLogger.info("Projects for " + filename); - var projects = this.findReferencingProjects(scriptInfo); - for (var i = 0, len = projects.length; i < len; i++) { - this.psLogger.info("Project " + i.toString()); - } - this.psLogger.endGroup(); - } - else { - this.psLogger.info(filename + " not in any project"); - } - }; - ProjectService.prototype.printProjects = function () { - if (!this.psLogger.isVerbose()) { - return; - } - this.psLogger.startGroup(); - for (var i = 0, len = this.inferredProjects.length; i < len; i++) { - var project = this.inferredProjects[i]; - project.updateGraph(); - this.psLogger.info("Project " + i.toString()); - this.psLogger.info(project.filesToString()); - this.psLogger.info("-----------------------------------------------"); - } - for (var i = 0, len = this.configuredProjects.length; i < len; i++) { - var project = this.configuredProjects[i]; - project.updateGraph(); - this.psLogger.info("Project (configured) " + (i + this.inferredProjects.length).toString()); - this.psLogger.info(project.filesToString()); - this.psLogger.info("-----------------------------------------------"); - } - this.psLogger.info("Open file roots of inferred projects: "); - for (var i = 0, len = this.openFileRoots.length; i < len; i++) { - this.psLogger.info(this.openFileRoots[i].fileName); - } - this.psLogger.info("Open files referenced by inferred or configured projects: "); - for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { - var fileInfo = this.openFilesReferenced[i].fileName; - if (this.openFilesReferenced[i].defaultProject.isConfiguredProject()) { - fileInfo += " (configured)"; - } - this.psLogger.info(fileInfo); - } - this.psLogger.info("Open file roots of configured projects: "); - for (var i = 0, len = this.openFileRootsConfigured.length; i < len; i++) { - this.psLogger.info(this.openFileRootsConfigured[i].fileName); - } - this.psLogger.endGroup(); - }; - ProjectService.prototype.configProjectIsActive = function (fileName) { - return this.findConfiguredProjectByConfigFile(fileName) === undefined; - }; - ProjectService.prototype.findConfiguredProjectByConfigFile = function (configFileName) { - for (var i = 0, len = this.configuredProjects.length; i < len; i++) { - if (this.configuredProjects[i].projectFilename == configFileName) { - return this.configuredProjects[i]; - } - } - return undefined; - }; - ProjectService.prototype.configFileToProjectOptions = function (configFilename) { - configFilename = ts.normalizePath(configFilename); - var dirPath = ts.getDirectoryPath(configFilename); - var contents = this.host.readFile(configFilename); - var rawConfig = ts.parseConfigFileTextToJson(configFilename, contents); - if (rawConfig.error) { - return { succeeded: false, error: rawConfig.error }; - } - else { - var parsedCommandLine = ts.parseJsonConfigFileContent(rawConfig.config, this.host, dirPath, {}, configFilename); - ts.Debug.assert(!!parsedCommandLine.fileNames); - if (parsedCommandLine.errors && (parsedCommandLine.errors.length > 0)) { - return { succeeded: false, error: { errorMsg: "tsconfig option errors" } }; - } - else if (parsedCommandLine.fileNames.length === 0) { - return { succeeded: false, error: { errorMsg: "no files found" } }; - } - else { - var projectOptions = { - files: parsedCommandLine.fileNames, - compilerOptions: parsedCommandLine.options - }; - return { succeeded: true, projectOptions: projectOptions }; - } - } - }; - ProjectService.prototype.openConfigFile = function (configFilename, clientFileName) { - var _this = this; - var _a = this.configFileToProjectOptions(configFilename), succeeded = _a.succeeded, projectOptions = _a.projectOptions, error = _a.error; - if (!succeeded) { - return error; - } - else { - var project_1 = this.createProject(configFilename, projectOptions); - for (var _i = 0, _b = projectOptions.files; _i < _b.length; _i++) { - var rootFilename = _b[_i]; - if (this.host.fileExists(rootFilename)) { - var info = this.openFile(rootFilename, clientFileName == rootFilename); - project_1.addRoot(info); - } - else { - return { errorMsg: "specified file " + rootFilename + " not found" }; - } - } - project_1.finishGraph(); - project_1.projectFileWatcher = this.host.watchFile(ts.toPath(configFilename, configFilename, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), function (_) { return _this.watchedProjectConfigFileChanged(project_1); }); - this.log("Add recursive watcher for: " + ts.getDirectoryPath(configFilename)); - project_1.directoryWatcher = this.host.watchDirectory(ts.getDirectoryPath(configFilename), function (path) { return _this.directoryWatchedForSourceFilesChanged(project_1, path); }, true); - return { success: true, project: project_1 }; - } - }; - ProjectService.prototype.updateConfiguredProject = function (project) { - if (!this.host.fileExists(project.projectFilename)) { - this.log("Config file deleted"); - this.removeProject(project); - } - else { - var _a = this.configFileToProjectOptions(project.projectFilename), succeeded = _a.succeeded, projectOptions = _a.projectOptions, error = _a.error; - if (!succeeded) { - return error; - } - else { - var oldFileNames_1 = project.compilerService.host.roots.map(function (info) { return info.fileName; }); - var newFileNames_1 = projectOptions.files; - var fileNamesToRemove = oldFileNames_1.filter(function (f) { return newFileNames_1.indexOf(f) < 0; }); - var fileNamesToAdd = newFileNames_1.filter(function (f) { return oldFileNames_1.indexOf(f) < 0; }); - for (var _i = 0, fileNamesToRemove_1 = fileNamesToRemove; _i < fileNamesToRemove_1.length; _i++) { - var fileName = fileNamesToRemove_1[_i]; - var info = this.getScriptInfo(fileName); - if (info) { - project.removeRoot(info); - } - } - for (var _b = 0, fileNamesToAdd_1 = fileNamesToAdd; _b < fileNamesToAdd_1.length; _b++) { - var fileName = fileNamesToAdd_1[_b]; - var info = this.getScriptInfo(fileName); - if (!info) { - info = this.openFile(fileName, false); - } - else { - if (info.isOpen) { - if (this.openFileRoots.indexOf(info) >= 0) { - this.openFileRoots = copyListRemovingItem(info, this.openFileRoots); - if (info.defaultProject && !info.defaultProject.isConfiguredProject()) { - this.removeProject(info.defaultProject); - } - } - if (this.openFilesReferenced.indexOf(info) >= 0) { - this.openFilesReferenced = copyListRemovingItem(info, this.openFilesReferenced); - } - this.openFileRootsConfigured.push(info); - info.defaultProject = project; - } - } - project.addRoot(info); - } - project.setProjectOptions(projectOptions); - project.finishGraph(); - } - } - }; - ProjectService.prototype.createProject = function (projectFilename, projectOptions) { - var project = new Project(this, projectOptions); - project.projectFilename = projectFilename; - return project; - }; - return ProjectService; - }()); - server.ProjectService = ProjectService; - var CompilerService = (function () { - function CompilerService(project, opt) { - this.project = project; - this.documentRegistry = ts.createDocumentRegistry(); - this.host = new LSHost(project.projectService.host, project); - if (opt) { - this.setCompilerOptions(opt); - } - else { - var defaultOpts = ts.getDefaultCompilerOptions(); - defaultOpts.allowNonTsExtensions = true; - this.setCompilerOptions(defaultOpts); - } - this.languageService = ts.createLanguageService(this.host, this.documentRegistry); - this.classifier = ts.createClassifier(); - } - CompilerService.prototype.setCompilerOptions = function (opt) { - this.settings = opt; - this.host.setCompilationSettings(opt); - }; - CompilerService.prototype.isExternalModule = function (filename) { - var sourceFile = this.languageService.getSourceFile(filename); - return ts.isExternalModule(sourceFile); - }; - CompilerService.defaultFormatCodeOptions = { - IndentSize: 4, - TabSize: 4, - NewLineCharacter: ts.sys ? ts.sys.newLine : "\n", - ConvertTabsToSpaces: true, - IndentStyle: ts.IndentStyle.Smart, - InsertSpaceAfterCommaDelimiter: true, - InsertSpaceAfterSemicolonInForStatements: true, - InsertSpaceBeforeAndAfterBinaryOperators: true, - InsertSpaceAfterKeywordsInControlFlowStatements: true, - InsertSpaceAfterFunctionKeywordForAnonymousFunctions: false, - InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, - InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, - InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, - PlaceOpenBraceOnNewLineForFunctions: false, - PlaceOpenBraceOnNewLineForControlBlocks: false - }; - return CompilerService; - }()); - server.CompilerService = CompilerService; - (function (CharRangeSection) { - CharRangeSection[CharRangeSection["PreStart"] = 0] = "PreStart"; - CharRangeSection[CharRangeSection["Start"] = 1] = "Start"; - CharRangeSection[CharRangeSection["Entire"] = 2] = "Entire"; - CharRangeSection[CharRangeSection["Mid"] = 3] = "Mid"; - CharRangeSection[CharRangeSection["End"] = 4] = "End"; - CharRangeSection[CharRangeSection["PostEnd"] = 5] = "PostEnd"; - })(server.CharRangeSection || (server.CharRangeSection = {})); - var CharRangeSection = server.CharRangeSection; - var BaseLineIndexWalker = (function () { - function BaseLineIndexWalker() { - this.goSubtree = true; - this.done = false; - } - BaseLineIndexWalker.prototype.leaf = function (rangeStart, rangeLength, ll) { - }; - return BaseLineIndexWalker; - }()); - var EditWalker = (function (_super) { - __extends(EditWalker, _super); - function EditWalker() { - _super.call(this); - this.lineIndex = new LineIndex(); - this.endBranch = []; - this.state = CharRangeSection.Entire; - this.initialText = ""; - this.trailingText = ""; - this.suppressTrailingText = false; - this.lineIndex.root = new LineNode(); - this.startPath = [this.lineIndex.root]; - this.stack = [this.lineIndex.root]; - } - EditWalker.prototype.insertLines = function (insertedText) { - if (this.suppressTrailingText) { - this.trailingText = ""; - } - if (insertedText) { - insertedText = this.initialText + insertedText + this.trailingText; - } - else { - insertedText = this.initialText + this.trailingText; - } - var lm = LineIndex.linesFromText(insertedText); - var lines = lm.lines; - if (lines.length > 1) { - if (lines[lines.length - 1] == "") { - lines.length--; - } - } - var branchParent; - var lastZeroCount; - for (var k = this.endBranch.length - 1; k >= 0; k--) { - this.endBranch[k].updateCounts(); - if (this.endBranch[k].charCount() === 0) { - lastZeroCount = this.endBranch[k]; - if (k > 0) { - branchParent = this.endBranch[k - 1]; - } - else { - branchParent = this.branchNode; - } - } - } - if (lastZeroCount) { - branchParent.remove(lastZeroCount); - } - var insertionNode = this.startPath[this.startPath.length - 2]; - var leafNode = this.startPath[this.startPath.length - 1]; - var len = lines.length; - if (len > 0) { - leafNode.text = lines[0]; - if (len > 1) { - var insertedNodes = new Array(len - 1); - var startNode = leafNode; - for (var i = 1, len_1 = lines.length; i < len_1; i++) { - insertedNodes[i - 1] = new LineLeaf(lines[i]); - } - var pathIndex = this.startPath.length - 2; - while (pathIndex >= 0) { - insertionNode = this.startPath[pathIndex]; - insertedNodes = insertionNode.insertAt(startNode, insertedNodes); - pathIndex--; - startNode = insertionNode; - } - var insertedNodesLen = insertedNodes.length; - while (insertedNodesLen > 0) { - var newRoot = new LineNode(); - newRoot.add(this.lineIndex.root); - insertedNodes = newRoot.insertAt(this.lineIndex.root, insertedNodes); - insertedNodesLen = insertedNodes.length; - this.lineIndex.root = newRoot; - } - this.lineIndex.root.updateCounts(); - } - else { - for (var j = this.startPath.length - 2; j >= 0; j--) { - this.startPath[j].updateCounts(); - } - } - } - else { - insertionNode.remove(leafNode); - for (var j = this.startPath.length - 2; j >= 0; j--) { - this.startPath[j].updateCounts(); - } - } - return this.lineIndex; - }; - EditWalker.prototype.post = function (relativeStart, relativeLength, lineCollection, parent, nodeType) { - if (lineCollection === this.lineCollectionAtBranch) { - this.state = CharRangeSection.End; - } - this.stack.length--; - return undefined; - }; - EditWalker.prototype.pre = function (relativeStart, relativeLength, lineCollection, parent, nodeType) { - var currentNode = this.stack[this.stack.length - 1]; - if ((this.state === CharRangeSection.Entire) && (nodeType === CharRangeSection.Start)) { - this.state = CharRangeSection.Start; - this.branchNode = currentNode; - this.lineCollectionAtBranch = lineCollection; - } - var child; - function fresh(node) { - if (node.isLeaf()) { - return new LineLeaf(""); - } - else - return new LineNode(); - } - switch (nodeType) { - case CharRangeSection.PreStart: - this.goSubtree = false; - if (this.state !== CharRangeSection.End) { - currentNode.add(lineCollection); - } - break; - case CharRangeSection.Start: - if (this.state === CharRangeSection.End) { - this.goSubtree = false; - } - else { - child = fresh(lineCollection); - currentNode.add(child); - this.startPath[this.startPath.length] = child; - } - break; - case CharRangeSection.Entire: - if (this.state !== CharRangeSection.End) { - child = fresh(lineCollection); - currentNode.add(child); - this.startPath[this.startPath.length] = child; - } - else { - if (!lineCollection.isLeaf()) { - child = fresh(lineCollection); - currentNode.add(child); - this.endBranch[this.endBranch.length] = child; - } - } - break; - case CharRangeSection.Mid: - this.goSubtree = false; - break; - case CharRangeSection.End: - if (this.state !== CharRangeSection.End) { - this.goSubtree = false; - } - else { - if (!lineCollection.isLeaf()) { - child = fresh(lineCollection); - currentNode.add(child); - this.endBranch[this.endBranch.length] = child; - } - } - break; - case CharRangeSection.PostEnd: - this.goSubtree = false; - if (this.state !== CharRangeSection.Start) { - currentNode.add(lineCollection); - } - break; - } - if (this.goSubtree) { - this.stack[this.stack.length] = child; - } - return lineCollection; - }; - EditWalker.prototype.leaf = function (relativeStart, relativeLength, ll) { - if (this.state === CharRangeSection.Start) { - this.initialText = ll.text.substring(0, relativeStart); - } - else if (this.state === CharRangeSection.Entire) { - this.initialText = ll.text.substring(0, relativeStart); - this.trailingText = ll.text.substring(relativeStart + relativeLength); - } - else { - this.trailingText = ll.text.substring(relativeStart + relativeLength); - } - }; - return EditWalker; - }(BaseLineIndexWalker)); - var TextChange = (function () { - function TextChange(pos, deleteLen, insertedText) { - this.pos = pos; - this.deleteLen = deleteLen; - this.insertedText = insertedText; - } - TextChange.prototype.getTextChangeRange = function () { - return ts.createTextChangeRange(ts.createTextSpan(this.pos, this.deleteLen), this.insertedText ? this.insertedText.length : 0); - }; - return TextChange; - }()); - server.TextChange = TextChange; - var ScriptVersionCache = (function () { - function ScriptVersionCache() { - this.changes = []; - this.versions = []; - this.minVersion = 0; - this.currentVersion = 0; - } - ScriptVersionCache.prototype.edit = function (pos, deleteLen, insertedText) { - this.changes[this.changes.length] = new TextChange(pos, deleteLen, insertedText); - if ((this.changes.length > ScriptVersionCache.changeNumberThreshold) || - (deleteLen > ScriptVersionCache.changeLengthThreshold) || - (insertedText && (insertedText.length > ScriptVersionCache.changeLengthThreshold))) { - this.getSnapshot(); - } - }; - ScriptVersionCache.prototype.latest = function () { - return this.versions[this.currentVersion]; - }; - ScriptVersionCache.prototype.latestVersion = function () { - if (this.changes.length > 0) { - this.getSnapshot(); - } - return this.currentVersion; - }; - ScriptVersionCache.prototype.reloadFromFile = function (filename, cb) { - var content = this.host.readFile(filename); - this.reload(content); - if (cb) - cb(); - }; - ScriptVersionCache.prototype.reload = function (script) { - this.currentVersion++; - this.changes = []; - var snap = new LineIndexSnapshot(this.currentVersion, this); - this.versions[this.currentVersion] = snap; - snap.index = new LineIndex(); - var lm = LineIndex.linesFromText(script); - snap.index.load(lm.lines); - for (var i = this.minVersion; i < this.currentVersion; i++) { - this.versions[i] = undefined; - } - this.minVersion = this.currentVersion; - }; - ScriptVersionCache.prototype.getSnapshot = function () { - var snap = this.versions[this.currentVersion]; - if (this.changes.length > 0) { - var snapIndex = this.latest().index; - for (var i = 0, len = this.changes.length; i < len; i++) { - var change = this.changes[i]; - snapIndex = snapIndex.edit(change.pos, change.deleteLen, change.insertedText); - } - snap = new LineIndexSnapshot(this.currentVersion + 1, this); - snap.index = snapIndex; - snap.changesSincePreviousVersion = this.changes; - this.currentVersion = snap.version; - this.versions[snap.version] = snap; - this.changes = []; - if ((this.currentVersion - this.minVersion) >= ScriptVersionCache.maxVersions) { - var oldMin = this.minVersion; - this.minVersion = (this.currentVersion - ScriptVersionCache.maxVersions) + 1; - for (var j = oldMin; j < this.minVersion; j++) { - this.versions[j] = undefined; - } - } - } - return snap; - }; - ScriptVersionCache.prototype.getTextChangesBetweenVersions = function (oldVersion, newVersion) { - if (oldVersion < newVersion) { - if (oldVersion >= this.minVersion) { - var textChangeRanges = []; - for (var i = oldVersion + 1; i <= newVersion; i++) { - var snap = this.versions[i]; - for (var j = 0, len = snap.changesSincePreviousVersion.length; j < len; j++) { - var textChange = snap.changesSincePreviousVersion[j]; - textChangeRanges[textChangeRanges.length] = textChange.getTextChangeRange(); - } - } - return ts.collapseTextChangeRangesAcrossMultipleVersions(textChangeRanges); - } - else { - return undefined; - } - } - else { - return ts.unchangedTextChangeRange; - } - }; - ScriptVersionCache.fromString = function (host, script) { - var svc = new ScriptVersionCache(); - var snap = new LineIndexSnapshot(0, svc); - svc.versions[svc.currentVersion] = snap; - svc.host = host; - snap.index = new LineIndex(); - var lm = LineIndex.linesFromText(script); - snap.index.load(lm.lines); - return svc; - }; - ScriptVersionCache.changeNumberThreshold = 8; - ScriptVersionCache.changeLengthThreshold = 256; - ScriptVersionCache.maxVersions = 8; - return ScriptVersionCache; - }()); - server.ScriptVersionCache = ScriptVersionCache; - var LineIndexSnapshot = (function () { - function LineIndexSnapshot(version, cache) { - this.version = version; - this.cache = cache; - this.changesSincePreviousVersion = []; - } - LineIndexSnapshot.prototype.getText = function (rangeStart, rangeEnd) { - return this.index.getText(rangeStart, rangeEnd - rangeStart); - }; - LineIndexSnapshot.prototype.getLength = function () { - return this.index.root.charCount(); - }; - LineIndexSnapshot.prototype.getLineStartPositions = function () { - var starts = [-1]; - var count = 1; - var pos = 0; - this.index.every(function (ll, s, len) { - starts[count] = pos; - count++; - pos += ll.text.length; - return true; - }, 0); - return starts; - }; - LineIndexSnapshot.prototype.getLineMapper = function () { - var _this = this; - return function (line) { - return _this.index.lineNumberToInfo(line).offset; - }; - }; - LineIndexSnapshot.prototype.getTextChangeRangeSinceVersion = function (scriptVersion) { - if (this.version <= scriptVersion) { - return ts.unchangedTextChangeRange; - } - else { - return this.cache.getTextChangesBetweenVersions(scriptVersion, this.version); - } - }; - LineIndexSnapshot.prototype.getChangeRange = function (oldSnapshot) { - var oldSnap = oldSnapshot; - return this.getTextChangeRangeSinceVersion(oldSnap.version); - }; - return LineIndexSnapshot; - }()); - server.LineIndexSnapshot = LineIndexSnapshot; - var LineIndex = (function () { - function LineIndex() { - this.checkEdits = false; - } - LineIndex.prototype.charOffsetToLineNumberAndPos = function (charOffset) { - return this.root.charOffsetToLineNumberAndPos(1, charOffset); - }; - LineIndex.prototype.lineNumberToInfo = function (lineNumber) { - var lineCount = this.root.lineCount(); - if (lineNumber <= lineCount) { - var lineInfo = this.root.lineNumberToInfo(lineNumber, 0); - lineInfo.line = lineNumber; - return lineInfo; - } - else { - return { - line: lineNumber, - offset: this.root.charCount() - }; - } - }; - LineIndex.prototype.load = function (lines) { - if (lines.length > 0) { - var leaves = []; - for (var i = 0, len = lines.length; i < len; i++) { - leaves[i] = new LineLeaf(lines[i]); - } - this.root = LineIndex.buildTreeFromBottom(leaves); - } - else { - this.root = new LineNode(); - } - }; - LineIndex.prototype.walk = function (rangeStart, rangeLength, walkFns) { - this.root.walk(rangeStart, rangeLength, walkFns); - }; - LineIndex.prototype.getText = function (rangeStart, rangeLength) { - var accum = ""; - if ((rangeLength > 0) && (rangeStart < this.root.charCount())) { - this.walk(rangeStart, rangeLength, { - goSubtree: true, - done: false, - leaf: function (relativeStart, relativeLength, ll) { - accum = accum.concat(ll.text.substring(relativeStart, relativeStart + relativeLength)); - } - }); - } - return accum; - }; - LineIndex.prototype.getLength = function () { - return this.root.charCount(); - }; - LineIndex.prototype.every = function (f, rangeStart, rangeEnd) { - if (!rangeEnd) { - rangeEnd = this.root.charCount(); - } - var walkFns = { - goSubtree: true, - done: false, - leaf: function (relativeStart, relativeLength, ll) { - if (!f(ll, relativeStart, relativeLength)) { - this.done = true; - } - } - }; - this.walk(rangeStart, rangeEnd - rangeStart, walkFns); - return !walkFns.done; - }; - LineIndex.prototype.edit = function (pos, deleteLength, newText) { - function editFlat(source, s, dl, nt) { - if (nt === void 0) { nt = ""; } - return source.substring(0, s) + nt + source.substring(s + dl, source.length); - } - if (this.root.charCount() === 0) { - if (newText) { - this.load(LineIndex.linesFromText(newText).lines); - return this; - } - } - else { - var checkText = void 0; - if (this.checkEdits) { - checkText = editFlat(this.getText(0, this.root.charCount()), pos, deleteLength, newText); - } - var walker = new EditWalker(); - if (pos >= this.root.charCount()) { - pos = this.root.charCount() - 1; - var endString = this.getText(pos, 1); - if (newText) { - newText = endString + newText; - } - else { - newText = endString; - } - deleteLength = 0; - walker.suppressTrailingText = true; - } - else if (deleteLength > 0) { - var e = pos + deleteLength; - var lineInfo = this.charOffsetToLineNumberAndPos(e); - if ((lineInfo && (lineInfo.offset === 0))) { - deleteLength += lineInfo.text.length; - if (newText) { - newText = newText + lineInfo.text; - } - else { - newText = lineInfo.text; - } - } - } - if (pos < this.root.charCount()) { - this.root.walk(pos, deleteLength, walker); - walker.insertLines(newText); - } - if (this.checkEdits) { - var updatedText = this.getText(0, this.root.charCount()); - ts.Debug.assert(checkText == updatedText, "buffer edit mismatch"); - } - return walker.lineIndex; - } - }; - LineIndex.buildTreeFromBottom = function (nodes) { - var nodeCount = Math.ceil(nodes.length / lineCollectionCapacity); - var interiorNodes = []; - var nodeIndex = 0; - for (var i = 0; i < nodeCount; i++) { - interiorNodes[i] = new LineNode(); - var charCount = 0; - var lineCount = 0; - for (var j = 0; j < lineCollectionCapacity; j++) { - if (nodeIndex < nodes.length) { - interiorNodes[i].add(nodes[nodeIndex]); - charCount += nodes[nodeIndex].charCount(); - lineCount += nodes[nodeIndex].lineCount(); - } - else { - break; - } - nodeIndex++; - } - interiorNodes[i].totalChars = charCount; - interiorNodes[i].totalLines = lineCount; - } - if (interiorNodes.length === 1) { - return interiorNodes[0]; - } - else { - return this.buildTreeFromBottom(interiorNodes); - } - }; - LineIndex.linesFromText = function (text) { - var lineStarts = ts.computeLineStarts(text); - if (lineStarts.length === 0) { - return { lines: [], lineMap: lineStarts }; - } - var lines = new Array(lineStarts.length); - var lc = lineStarts.length - 1; - for (var lmi = 0; lmi < lc; lmi++) { - lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); - } - var endText = text.substring(lineStarts[lc]); - if (endText.length > 0) { - lines[lc] = endText; - } - else { - lines.length--; - } - return { lines: lines, lineMap: lineStarts }; - }; - return LineIndex; - }()); - server.LineIndex = LineIndex; - var LineNode = (function () { - function LineNode() { - this.totalChars = 0; - this.totalLines = 0; - this.children = []; - } - LineNode.prototype.isLeaf = function () { - return false; - }; - LineNode.prototype.updateCounts = function () { - this.totalChars = 0; - this.totalLines = 0; - for (var i = 0, len = this.children.length; i < len; i++) { - var child = this.children[i]; - this.totalChars += child.charCount(); - this.totalLines += child.lineCount(); - } - }; - LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { - if (walkFns.pre) { - walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); - } - if (walkFns.goSubtree) { - this.children[childIndex].walk(rangeStart, rangeLength, walkFns); - if (walkFns.post) { - walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); - } - } - else { - walkFns.goSubtree = true; - } - return walkFns.done; - }; - LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { - if (walkFns.pre && (!walkFns.done)) { - walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); - walkFns.goSubtree = true; - } - }; - LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { - var childIndex = 0; - var child = this.children[0]; - var childCharCount = child.charCount(); - var adjustedStart = rangeStart; - while (adjustedStart >= childCharCount) { - this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); - adjustedStart -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - } - if ((adjustedStart + rangeLength) <= childCharCount) { - if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { - return; - } - } - else { - if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { - return; - } - var adjustedLength = rangeLength - (childCharCount - adjustedStart); - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - while (adjustedLength > childCharCount) { - if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { - return; - } - adjustedLength -= childCharCount; - childIndex++; - child = this.children[childIndex]; - childCharCount = child.charCount(); - } - if (adjustedLength > 0) { - if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { - return; - } - } - } - if (walkFns.pre) { - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var ej = childIndex + 1; ej < clen; ej++) { - this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); - } - } - } - }; - LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { - var childInfo = this.childFromCharOffset(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset - }; - } - else if (childInfo.childIndex < this.children.length) { - if (childInfo.child.isLeaf()) { - return { - line: childInfo.lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); - } - } - else { - var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); - return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; - } - }; - LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { - var childInfo = this.childFromLineNumber(lineNumber, charOffset); - if (!childInfo.child) { - return { - line: lineNumber, - offset: charOffset - }; - } - else if (childInfo.child.isLeaf()) { - return { - line: lineNumber, - offset: childInfo.charOffset, - text: (childInfo.child).text, - leaf: (childInfo.child) - }; - } - else { - var lineNode = (childInfo.child); - return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); - } - }; - LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { - var child; - var relativeLineNumber = lineNumber; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - var childLineCount = child.lineCount(); - if (childLineCount >= relativeLineNumber) { - break; - } - else { - relativeLineNumber -= childLineCount; - charOffset += child.charCount(); - } - } - return { - child: child, - childIndex: i, - relativeLineNumber: relativeLineNumber, - charOffset: charOffset - }; - }; - LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { - var child; - var i; - var len; - for (i = 0, len = this.children.length; i < len; i++) { - child = this.children[i]; - if (child.charCount() > charOffset) { - break; - } - else { - charOffset -= child.charCount(); - lineNumber += child.lineCount(); - } - } - return { - child: child, - childIndex: i, - charOffset: charOffset, - lineNumber: lineNumber - }; - }; - LineNode.prototype.splitAfter = function (childIndex) { - var splitNode; - var clen = this.children.length; - childIndex++; - var endLength = childIndex; - if (childIndex < clen) { - splitNode = new LineNode(); - while (childIndex < clen) { - splitNode.add(this.children[childIndex]); - childIndex++; - } - splitNode.updateCounts(); - } - this.children.length = endLength; - return splitNode; - }; - LineNode.prototype.remove = function (child) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - if (childIndex < (clen - 1)) { - for (var i = childIndex; i < (clen - 1); i++) { - this.children[i] = this.children[i + 1]; - } - } - this.children.length--; - }; - LineNode.prototype.findChildIndex = function (child) { - var childIndex = 0; - var clen = this.children.length; - while ((this.children[childIndex] !== child) && (childIndex < clen)) - childIndex++; - return childIndex; - }; - LineNode.prototype.insertAt = function (child, nodes) { - var childIndex = this.findChildIndex(child); - var clen = this.children.length; - var nodeCount = nodes.length; - if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { - this.add(nodes[0]); - this.updateCounts(); - return []; - } - else { - var shiftNode = this.splitAfter(childIndex); - var nodeIndex = 0; - childIndex++; - while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { - this.children[childIndex] = nodes[nodeIndex]; - childIndex++; - nodeIndex++; - } - var splitNodes = []; - var splitNodeCount = 0; - if (nodeIndex < nodeCount) { - splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); - splitNodes = new Array(splitNodeCount); - var splitNodeIndex = 0; - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i] = new LineNode(); - } - var splitNode = splitNodes[0]; - while (nodeIndex < nodeCount) { - splitNode.add(nodes[nodeIndex]); - nodeIndex++; - if (splitNode.children.length === lineCollectionCapacity) { - splitNodeIndex++; - splitNode = splitNodes[splitNodeIndex]; - } - } - for (var i = splitNodes.length - 1; i >= 0; i--) { - if (splitNodes[i].children.length === 0) { - splitNodes.length--; - } - } - } - if (shiftNode) { - splitNodes[splitNodes.length] = shiftNode; - } - this.updateCounts(); - for (var i = 0; i < splitNodeCount; i++) { - splitNodes[i].updateCounts(); - } - return splitNodes; - } - }; - LineNode.prototype.add = function (collection) { - this.children[this.children.length] = collection; - return (this.children.length < lineCollectionCapacity); - }; - LineNode.prototype.charCount = function () { - return this.totalChars; - }; - LineNode.prototype.lineCount = function () { - return this.totalLines; - }; - return LineNode; - }()); - server.LineNode = LineNode; - var LineLeaf = (function () { - function LineLeaf(text) { - this.text = text; - } - LineLeaf.prototype.setUdata = function (data) { - this.udata = data; - }; - LineLeaf.prototype.getUdata = function () { - return this.udata; - }; - LineLeaf.prototype.isLeaf = function () { - return true; - }; - LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { - walkFns.leaf(rangeStart, rangeLength, this); - }; - LineLeaf.prototype.charCount = function () { - return this.text.length; - }; - LineLeaf.prototype.lineCount = function () { - return 1; - }; - return LineLeaf; - }()); - server.LineLeaf = LineLeaf; - })(server = ts.server || (ts.server = {})); -})(ts || (ts = {})); -var ts; -(function (ts) { - var server; - (function (server) { - var readline = require("readline"); - var fs = require("fs"); - var rl = readline.createInterface({ - input: process.stdin, - output: process.stdout, - terminal: false - }); - var Logger = (function () { - function Logger(logFilename, level) { - this.logFilename = logFilename; - this.level = level; - this.fd = -1; - this.seq = 0; - this.inGroup = false; - this.firstInGroup = true; - } - Logger.padStringRight = function (str, padding) { - return (str + padding).slice(0, padding.length); - }; - Logger.prototype.close = function () { - if (this.fd >= 0) { - fs.close(this.fd); - } - }; - Logger.prototype.perftrc = function (s) { - this.msg(s, "Perf"); - }; - Logger.prototype.info = function (s) { - this.msg(s, "Info"); - }; - Logger.prototype.startGroup = function () { - this.inGroup = true; - this.firstInGroup = true; - }; - Logger.prototype.endGroup = function () { - this.inGroup = false; - this.seq++; - this.firstInGroup = true; - }; - Logger.prototype.loggingEnabled = function () { - return !!this.logFilename; - }; - Logger.prototype.isVerbose = function () { - return this.loggingEnabled() && (this.level == "verbose"); - }; - Logger.prototype.msg = function (s, type) { - if (type === void 0) { type = "Err"; } - if (this.fd < 0) { - if (this.logFilename) { - this.fd = fs.openSync(this.logFilename, "w"); - } - } - if (this.fd >= 0) { - s = s + "\n"; - var prefix = Logger.padStringRight(type + " " + this.seq.toString(), " "); - if (this.firstInGroup) { - s = prefix + s; - this.firstInGroup = false; - } - if (!this.inGroup) { - this.seq++; - this.firstInGroup = true; - } - var buf = new Buffer(s); - fs.writeSync(this.fd, buf, 0, buf.length, null); - } - }; - return Logger; - }()); - var IOSession = (function (_super) { - __extends(IOSession, _super); - function IOSession(host, logger) { - _super.call(this, host, Buffer.byteLength, process.hrtime, logger); - } - IOSession.prototype.exit = function () { - this.projectService.log("Exiting...", "Info"); - this.projectService.closeLog(); - process.exit(0); - }; - IOSession.prototype.listen = function () { - var _this = this; - rl.on("line", function (input) { - var message = input.trim(); - _this.onMessage(message); - }); - rl.on("close", function () { - _this.exit(); - }); - }; - return IOSession; - }(server.Session)); - function parseLoggingEnvironmentString(logEnvStr) { - var logEnv = {}; - var args = logEnvStr.split(" "); - for (var i = 0, len = args.length; i < (len - 1); i += 2) { - var option = args[i]; - var value = args[i + 1]; - if (option && value) { - switch (option) { - case "-file": - logEnv.file = value; - break; - case "-level": - logEnv.detailLevel = value; - break; - } - } - } - return logEnv; - } - function createLoggerFromEnv() { - var fileName = undefined; - var detailLevel = "normal"; - var logEnvStr = process.env["TSS_LOG"]; - if (logEnvStr) { - var logEnv = parseLoggingEnvironmentString(logEnvStr); - if (logEnv.file) { - fileName = logEnv.file; - } - else { - fileName = __dirname + "/.log" + process.pid.toString(); - } - if (logEnv.detailLevel) { - detailLevel = logEnv.detailLevel; - } - } - return new Logger(fileName, detailLevel); - } - var logger = createLoggerFromEnv(); - var pending = []; - var canWrite = true; - function writeMessage(s) { - if (!canWrite) { - pending.push(s); - } - else { - canWrite = false; - process.stdout.write(new Buffer(s, "utf8"), setCanWriteFlagAndWriteMessageIfNecessary); - } - } - function setCanWriteFlagAndWriteMessageIfNecessary() { - canWrite = true; - if (pending.length) { - writeMessage(pending.shift()); - } - } - ts.sys.write = function (s) { return writeMessage(s); }; - var ioSession = new IOSession(ts.sys, logger); - process.on("uncaughtException", function (err) { - ioSession.logError(err, "unknown"); - }); - ioSession.listen(); - })(server = ts.server || (ts.server = {})); -})(ts || (ts = {})); -var debugObjectHost = this; -var ts; -(function (ts) { - function logInternalError(logger, err) { - if (logger) { - logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); - } - } - var ScriptSnapshotShimAdapter = (function () { - function ScriptSnapshotShimAdapter(scriptSnapshotShim) { - this.scriptSnapshotShim = scriptSnapshotShim; - } - ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { - return this.scriptSnapshotShim.getText(start, end); - }; - ScriptSnapshotShimAdapter.prototype.getLength = function () { - return this.scriptSnapshotShim.getLength(); - }; - ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { - var oldSnapshotShim = oldSnapshot; - var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); - if (encoded == null) { - return null; - } - var decoded = JSON.parse(encoded); - return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); - }; - ScriptSnapshotShimAdapter.prototype.dispose = function () { - if ("dispose" in this.scriptSnapshotShim) { - this.scriptSnapshotShim.dispose(); - } - }; - return ScriptSnapshotShimAdapter; - }()); - var LanguageServiceShimHostAdapter = (function () { - function LanguageServiceShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.loggingEnabled = false; - this.tracingEnabled = false; - if ("getModuleResolutionsForFile" in this.shimHost) { - this.resolveModuleNames = function (moduleNames, containingFile) { - var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); - return ts.map(moduleNames, function (name) { - var result = ts.lookUp(resolutionsInFile, name); - return result ? { resolvedFileName: result } : undefined; - }); - }; - } - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - LanguageServiceShimHostAdapter.prototype.log = function (s) { - if (this.loggingEnabled) { - this.shimHost.log(s); - } - }; - LanguageServiceShimHostAdapter.prototype.trace = function (s) { - if (this.tracingEnabled) { - this.shimHost.trace(s); - } - }; - LanguageServiceShimHostAdapter.prototype.error = function (s) { - this.shimHost.error(s); - }; - LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { - if (!this.shimHost.getProjectVersion) { - return undefined; - } - return this.shimHost.getProjectVersion(); - }; - LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { - return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; - }; - LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { - var settingsJson = this.shimHost.getCompilationSettings(); - if (settingsJson == null || settingsJson == "") { - throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); - } - return JSON.parse(settingsJson); - }; - LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { - var encoded = this.shimHost.getScriptFileNames(); - return this.files = JSON.parse(encoded); - }; - LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { - var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); - return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); - }; - LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { - return this.shimHost.getScriptVersion(fileName); - }; - LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { - var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); - if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { - return null; - } - try { - return JSON.parse(diagnosticMessagesJson); - } - catch (e) { - this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); - return null; - } - }; - LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { - var hostCancellationToken = this.shimHost.getCancellationToken(); - return new ThrottledCancellationToken(hostCancellationToken); - }; - LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { - return this.shimHost.getCurrentDirectory(); - }; - LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { - return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); - }; - return LanguageServiceShimHostAdapter; - }()); - ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; - var ThrottledCancellationToken = (function () { - function ThrottledCancellationToken(hostCancellationToken) { - this.hostCancellationToken = hostCancellationToken; - this.lastCancellationCheckTime = 0; - } - ThrottledCancellationToken.prototype.isCancellationRequested = function () { - var time = Date.now(); - var duration = Math.abs(time - this.lastCancellationCheckTime); - if (duration > 10) { - this.lastCancellationCheckTime = time; - return this.hostCancellationToken.isCancellationRequested(); - } - return false; - }; - return ThrottledCancellationToken; - }()); - var CoreServicesShimHostAdapter = (function () { - function CoreServicesShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { - var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); - return JSON.parse(encoded); - }; - CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { - return this.shimHost.fileExists(fileName); - }; - CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { - return this.shimHost.readFile(fileName); - }; - return CoreServicesShimHostAdapter; - }()); - ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; - function simpleForwardCall(logger, actionDescription, action, logPerformance) { - var start; - if (logPerformance) { - logger.log(actionDescription); - start = Date.now(); - } - var result = action(); - if (logPerformance) { - var end = Date.now(); - logger.log(actionDescription + " completed in " + (end - start) + " msec"); - if (typeof result === "string") { - var str = result; - if (str.length > 128) { - str = str.substring(0, 128) + "..."; - } - logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); - } - } - return result; - } - function forwardJSONCall(logger, actionDescription, action, logPerformance) { - try { - var result = simpleForwardCall(logger, actionDescription, action, logPerformance); - return JSON.stringify({ result: result }); - } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - return JSON.stringify({ canceled: true }); - } - logInternalError(logger, err); - err.description = actionDescription; - return JSON.stringify({ error: err }); - } - } - var ShimBase = (function () { - function ShimBase(factory) { - this.factory = factory; - factory.registerShim(this); - } - ShimBase.prototype.dispose = function (dummy) { - this.factory.unregisterShim(this); - }; - return ShimBase; - }()); - function realizeDiagnostics(diagnostics, newLine) { - return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); - } - ts.realizeDiagnostics = realizeDiagnostics; - function realizeDiagnostic(diagnostic, newLine) { - return { - message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), - start: diagnostic.start, - length: diagnostic.length, - category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), - code: diagnostic.code - }; - } - var LanguageServiceShimObject = (function (_super) { - __extends(LanguageServiceShimObject, _super); - function LanguageServiceShimObject(factory, host, languageService) { - _super.call(this, factory); - this.host = host; - this.languageService = languageService; - this.logPerformance = false; - this.logger = this.host; - } - LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - LanguageServiceShimObject.prototype.dispose = function (dummy) { - this.logger.log("dispose()"); - this.languageService.dispose(); - this.languageService = null; - if (debugObjectHost && debugObjectHost.CollectGarbage) { - debugObjectHost.CollectGarbage(); - this.logger.log("CollectGarbage()"); - } - this.logger = null; - _super.prototype.dispose.call(this, dummy); - }; - LanguageServiceShimObject.prototype.refresh = function (throwOnError) { - this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); - }; - LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { - var _this = this; - this.forwardJSONCall("cleanupSemanticCache()", function () { - _this.languageService.cleanupSemanticCache(); - return null; - }); - }; - LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { - var newLine = ts.getNewLineOrDefaultFromHost(this.host); - return ts.realizeDiagnostics(diagnostics, newLine); - }; - LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { - var _this = this; - return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { - var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { - var _this = this; - return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); - }; - LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { - var _this = this; - return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); - }; - LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { - var _this = this; - return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { - var _this = this; - return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { - var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); - var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); - return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); - }); - }; - LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { - var _this = this; - return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { - var _this = this; - return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); - }; - LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); - }; - LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { - var _this = this; - return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); - }; - LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { - var _this = this; - return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); - }; - LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { - var _this = this; - return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); - }; - return LanguageServiceShimObject; - }(ShimBase)); - function convertClassifications(classifications) { - return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; - } - var ClassifierShimObject = (function (_super) { - __extends(ClassifierShimObject, _super); - function ClassifierShimObject(factory, logger) { - _super.call(this, factory); - this.logger = logger; - this.logPerformance = false; - this.classifier = ts.createClassifier(); - } - ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { - var _this = this; - return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); - }; - ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { - var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); - var result = ""; - for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { - var item = _a[_i]; - result += item.length + "\n"; - result += item.classification + "\n"; - } - result += classification.finalLexState; - return result; - }; - return ClassifierShimObject; - }(ShimBase)); - var CoreServicesShimObject = (function (_super) { - __extends(CoreServicesShimObject, _super); - function CoreServicesShimObject(factory, logger, host) { - _super.call(this, factory); - this.logger = logger; - this.host = host; - this.logPerformance = false; - } - CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { - return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { - var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); - var convertResult = { - referencedFiles: [], - importedFiles: [], - ambientExternalModules: result.ambientExternalModules, - isLibFile: result.isLibFile - }; - ts.forEach(result.referencedFiles, function (refFile) { - convertResult.referencedFiles.push({ - path: ts.normalizePath(refFile.fileName), - position: refFile.pos, - length: refFile.end - refFile.pos - }); - }); - ts.forEach(result.importedFiles, function (importedFile) { - convertResult.importedFiles.push({ - path: ts.normalizeSlashes(importedFile.fileName), - position: importedFile.pos, - length: importedFile.end - importedFile.pos - }); - }); - return convertResult; - }); - }; - CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { - var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); - var result = ts.parseConfigFileTextToJson(fileName, text); - if (result.error) { - return { - options: {}, - files: [], - errors: [realizeDiagnostic(result.error, "\r\n")] - }; - } - var normalizedFileName = ts.normalizeSlashes(fileName); - var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); - return { - options: configFile.options, - files: configFile.fileNames, - errors: realizeDiagnostics(configFile.errors, "\r\n") - }; - }); - }; - CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { - return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); - }; - return CoreServicesShimObject; - }(ShimBase)); - var TypeScriptServicesFactory = (function () { - function TypeScriptServicesFactory() { - this._shims = []; - } - TypeScriptServicesFactory.prototype.getServicesVersion = function () { - return ts.servicesVersion; - }; - TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { - try { - if (this.documentRegistry === undefined) { - this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); - } - var hostAdapter = new LanguageServiceShimHostAdapter(host); - var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); - return new LanguageServiceShimObject(this, host, languageService); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { - try { - return new ClassifierShimObject(this, logger); - } - catch (err) { - logInternalError(logger, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { - try { - var adapter = new CoreServicesShimHostAdapter(host); - return new CoreServicesShimObject(this, host, adapter); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.close = function () { - this._shims = []; - this.documentRegistry = undefined; - }; - TypeScriptServicesFactory.prototype.registerShim = function (shim) { - this._shims.push(shim); - }; - TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { - for (var i = 0, n = this._shims.length; i < n; i++) { - if (this._shims[i] === shim) { - delete this._shims[i]; - return; - } - } - throw new Error("Invalid operation"); - }; - return TypeScriptServicesFactory; - }()); - ts.TypeScriptServicesFactory = TypeScriptServicesFactory; - if (typeof module !== "undefined" && module.exports) { - module.exports = ts; - } -})(ts || (ts = {})); -var TypeScript; -(function (TypeScript) { - var Services; - (function (Services) { - Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; - })(Services = TypeScript.Services || (TypeScript.Services = {})); -})(TypeScript || (TypeScript = {})); -var toolsVersion = "1.8"; +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var ts; +(function (ts) { + var OperationCanceledException = (function () { + function OperationCanceledException() { + } + return OperationCanceledException; + }()); + ts.OperationCanceledException = OperationCanceledException; + (function (ExitStatus) { + ExitStatus[ExitStatus["Success"] = 0] = "Success"; + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; + })(ts.ExitStatus || (ts.ExitStatus = {})); + var ExitStatus = ts.ExitStatus; + (function (TypeReferenceSerializationKind) { + TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; + })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); + var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; + (function (DiagnosticCategory) { + DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; + DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; + DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; + })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); + var DiagnosticCategory = ts.DiagnosticCategory; +})(ts || (ts = {})); +var ts; +(function (ts) { + function createFileMap(keyMapper) { + var files = {}; + return { + get: get, + set: set, + contains: contains, + remove: remove, + forEachValue: forEachValueInMap, + clear: clear + }; + function forEachValueInMap(f) { + for (var key in files) { + f(key, files[key]); + } + } + function get(path) { + return files[toKey(path)]; + } + function set(path, value) { + files[toKey(path)] = value; + } + function contains(path) { + return hasProperty(files, toKey(path)); + } + function remove(path) { + var key = toKey(path); + delete files[key]; + } + function clear() { + files = {}; + } + function toKey(path) { + return keyMapper ? keyMapper(path) : path; + } + } + ts.createFileMap = createFileMap; + function toPath(fileName, basePath, getCanonicalFileName) { + var nonCanonicalizedPath = isRootedDiskPath(fileName) + ? normalizePath(fileName) + : getNormalizedAbsolutePath(fileName, basePath); + return getCanonicalFileName(nonCanonicalizedPath); + } + ts.toPath = toPath; + function forEach(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + var result = callback(array[i], i); + if (result) { + return result; + } + } + } + return undefined; + } + ts.forEach = forEach; + function contains(array, value) { + if (array) { + for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { + var v = array_1[_i]; + if (v === value) { + return true; + } + } + } + return false; + } + ts.contains = contains; + function indexOf(array, value) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (array[i] === value) { + return i; + } + } + } + return -1; + } + ts.indexOf = indexOf; + function countWhere(array, predicate) { + var count = 0; + if (array) { + for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { + var v = array_2[_i]; + if (predicate(v)) { + count++; + } + } + } + return count; + } + ts.countWhere = countWhere; + function filter(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { + var item = array_3[_i]; + if (f(item)) { + result.push(item); + } + } + } + return result; + } + ts.filter = filter; + function map(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { + var v = array_4[_i]; + result.push(f(v)); + } + } + return result; + } + ts.map = map; + function concatenate(array1, array2) { + if (!array2 || !array2.length) + return array1; + if (!array1 || !array1.length) + return array2; + return array1.concat(array2); + } + ts.concatenate = concatenate; + function deduplicate(array) { + var result; + if (array) { + result = []; + for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { + var item = array_5[_i]; + if (!contains(result, item)) { + result.push(item); + } + } + } + return result; + } + ts.deduplicate = deduplicate; + function sum(array, prop) { + var result = 0; + for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { + var v = array_6[_i]; + result += v[prop]; + } + return result; + } + ts.sum = sum; + function addRange(to, from) { + if (to && from) { + for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { + var v = from_1[_i]; + to.push(v); + } + } + } + ts.addRange = addRange; + function rangeEquals(array1, array2, pos, end) { + while (pos < end) { + if (array1[pos] !== array2[pos]) { + return false; + } + pos++; + } + return true; + } + ts.rangeEquals = rangeEquals; + function lastOrUndefined(array) { + if (array.length === 0) { + return undefined; + } + return array[array.length - 1]; + } + ts.lastOrUndefined = lastOrUndefined; + function binarySearch(array, value) { + var low = 0; + var high = array.length - 1; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var midValue = array[middle]; + if (midValue === value) { + return middle; + } + else if (midValue > value) { + high = middle - 1; + } + else { + low = middle + 1; + } + } + return ~low; + } + ts.binarySearch = binarySearch; + function reduceLeft(array, f, initial) { + if (array) { + var count = array.length; + if (count > 0) { + var pos = 0; + var result = arguments.length <= 2 ? array[pos] : initial; + pos++; + while (pos < count) { + result = f(result, array[pos]); + pos++; + } + return result; + } + } + return initial; + } + ts.reduceLeft = reduceLeft; + function reduceRight(array, f, initial) { + if (array) { + var pos = array.length - 1; + if (pos >= 0) { + var result = arguments.length <= 2 ? array[pos] : initial; + pos--; + while (pos >= 0) { + result = f(result, array[pos]); + pos--; + } + return result; + } + } + return initial; + } + ts.reduceRight = reduceRight; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function hasProperty(map, key) { + return hasOwnProperty.call(map, key); + } + ts.hasProperty = hasProperty; + function getProperty(map, key) { + return hasOwnProperty.call(map, key) ? map[key] : undefined; + } + ts.getProperty = getProperty; + function isEmpty(map) { + for (var id in map) { + if (hasProperty(map, id)) { + return false; + } + } + return true; + } + ts.isEmpty = isEmpty; + function clone(object) { + var result = {}; + for (var id in object) { + result[id] = object[id]; + } + return result; + } + ts.clone = clone; + function extend(first, second) { + var result = {}; + for (var id in first) { + result[id] = first[id]; + } + for (var id in second) { + if (!hasProperty(result, id)) { + result[id] = second[id]; + } + } + return result; + } + ts.extend = extend; + function forEachValue(map, callback) { + var result; + for (var id in map) { + if (result = callback(map[id])) + break; + } + return result; + } + ts.forEachValue = forEachValue; + function forEachKey(map, callback) { + var result; + for (var id in map) { + if (result = callback(id)) + break; + } + return result; + } + ts.forEachKey = forEachKey; + function lookUp(map, key) { + return hasProperty(map, key) ? map[key] : undefined; + } + ts.lookUp = lookUp; + function copyMap(source, target) { + for (var p in source) { + target[p] = source[p]; + } + } + ts.copyMap = copyMap; + function arrayToMap(array, makeKey) { + var result = {}; + forEach(array, function (value) { + result[makeKey(value)] = value; + }); + return result; + } + ts.arrayToMap = arrayToMap; + function reduceProperties(map, callback, initial) { + var result = initial; + if (map) { + for (var key in map) { + if (hasProperty(map, key)) { + result = callback(result, map[key], String(key)); + } + } + } + return result; + } + ts.reduceProperties = reduceProperties; + function isArray(value) { + return Array.isArray ? Array.isArray(value) : value instanceof Array; + } + ts.isArray = isArray; + function memoize(callback) { + var value; + return function () { + if (callback) { + value = callback(); + callback = undefined; + } + return value; + }; + } + ts.memoize = memoize; + function formatStringFromArgs(text, args, baseIndex) { + baseIndex = baseIndex || 0; + return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); + } + ts.localizedDiagnosticMessages = undefined; + function getLocaleSpecificMessage(message) { + return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] + ? ts.localizedDiagnosticMessages[message.key] + : message.message; + } + ts.getLocaleSpecificMessage = getLocaleSpecificMessage; + function createFileDiagnostic(file, start, length, message) { + var end = start + length; + Debug.assert(start >= 0, "start must be non-negative, is " + start); + Debug.assert(length >= 0, "length must be non-negative, is " + length); + if (file) { + Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); + Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); + } + var text = getLocaleSpecificMessage(message); + if (arguments.length > 4) { + text = formatStringFromArgs(text, arguments, 4); + } + return { + file: file, + start: start, + length: length, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createFileDiagnostic = createFileDiagnostic; + function createCompilerDiagnostic(message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 1) { + text = formatStringFromArgs(text, arguments, 1); + } + return { + file: undefined, + start: undefined, + length: undefined, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createCompilerDiagnostic = createCompilerDiagnostic; + function chainDiagnosticMessages(details, message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 2) { + text = formatStringFromArgs(text, arguments, 2); + } + return { + messageText: text, + category: message.category, + code: message.code, + next: details + }; + } + ts.chainDiagnosticMessages = chainDiagnosticMessages; + function concatenateDiagnosticMessageChains(headChain, tailChain) { + var lastChain = headChain; + while (lastChain.next) { + lastChain = lastChain.next; + } + lastChain.next = tailChain; + return headChain; + } + ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; + function compareValues(a, b) { + if (a === b) + return 0; + if (a === undefined) + return -1; + if (b === undefined) + return 1; + return a < b ? -1 : 1; + } + ts.compareValues = compareValues; + function getDiagnosticFileName(diagnostic) { + return diagnostic.file ? diagnostic.file.fileName : undefined; + } + function compareDiagnostics(d1, d2) { + return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || + compareValues(d1.start, d2.start) || + compareValues(d1.length, d2.length) || + compareValues(d1.code, d2.code) || + compareMessageText(d1.messageText, d2.messageText) || + 0; + } + ts.compareDiagnostics = compareDiagnostics; + function compareMessageText(text1, text2) { + while (text1 && text2) { + var string1 = typeof text1 === "string" ? text1 : text1.messageText; + var string2 = typeof text2 === "string" ? text2 : text2.messageText; + var res = compareValues(string1, string2); + if (res) { + return res; + } + text1 = typeof text1 === "string" ? undefined : text1.next; + text2 = typeof text2 === "string" ? undefined : text2.next; + } + if (!text1 && !text2) { + return 0; + } + return text1 ? 1 : -1; + } + function sortAndDeduplicateDiagnostics(diagnostics) { + return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); + } + ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; + function deduplicateSortedDiagnostics(diagnostics) { + if (diagnostics.length < 2) { + return diagnostics; + } + var newDiagnostics = [diagnostics[0]]; + var previousDiagnostic = diagnostics[0]; + for (var i = 1; i < diagnostics.length; i++) { + var currentDiagnostic = diagnostics[i]; + var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0; + if (!isDupe) { + newDiagnostics.push(currentDiagnostic); + previousDiagnostic = currentDiagnostic; + } + } + return newDiagnostics; + } + ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; + function normalizeSlashes(path) { + return path.replace(/\\/g, "/"); + } + ts.normalizeSlashes = normalizeSlashes; + function getRootLength(path) { + if (path.charCodeAt(0) === 47) { + if (path.charCodeAt(1) !== 47) + return 1; + var p1 = path.indexOf("/", 2); + if (p1 < 0) + return 2; + var p2 = path.indexOf("/", p1 + 1); + if (p2 < 0) + return p1 + 1; + return p2 + 1; + } + if (path.charCodeAt(1) === 58) { + if (path.charCodeAt(2) === 47) + return 3; + return 2; + } + if (path.lastIndexOf("file:///", 0) === 0) { + return "file:///".length; + } + var idx = path.indexOf("://"); + if (idx !== -1) { + return idx + "://".length; + } + return 0; + } + ts.getRootLength = getRootLength; + ts.directorySeparator = "/"; + function getNormalizedParts(normalizedSlashedPath, rootLength) { + var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); + var normalized = []; + for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { + var part = parts_1[_i]; + if (part !== ".") { + if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { + normalized.pop(); + } + else { + if (part) { + normalized.push(part); + } + } + } + } + return normalized; + } + function normalizePath(path) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + var normalized = getNormalizedParts(path, rootLength); + return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); + } + ts.normalizePath = normalizePath; + function getDirectoryPath(path) { + return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); + } + ts.getDirectoryPath = getDirectoryPath; + function isUrl(path) { + return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; + } + ts.isUrl = isUrl; + function isRootedDiskPath(path) { + return getRootLength(path) !== 0; + } + ts.isRootedDiskPath = isRootedDiskPath; + function normalizedPathComponents(path, rootLength) { + var normalizedParts = getNormalizedParts(path, rootLength); + return [path.substr(0, rootLength)].concat(normalizedParts); + } + function getNormalizedPathComponents(path, currentDirectory) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + if (rootLength === 0) { + path = combinePaths(normalizeSlashes(currentDirectory), path); + rootLength = getRootLength(path); + } + return normalizedPathComponents(path, rootLength); + } + ts.getNormalizedPathComponents = getNormalizedPathComponents; + function getNormalizedAbsolutePath(fileName, currentDirectory) { + return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); + } + ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; + function getNormalizedPathFromPathComponents(pathComponents) { + if (pathComponents && pathComponents.length) { + return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); + } + } + ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; + function getNormalizedPathComponentsOfUrl(url) { + var urlLength = url.length; + var rootLength = url.indexOf("://") + "://".length; + while (rootLength < urlLength) { + if (url.charCodeAt(rootLength) === 47) { + rootLength++; + } + else { + break; + } + } + if (rootLength === urlLength) { + return [url]; + } + var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); + if (indexOfNextSlash !== -1) { + rootLength = indexOfNextSlash + 1; + return normalizedPathComponents(url, rootLength); + } + else { + return [url + ts.directorySeparator]; + } + } + function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { + if (isUrl(pathOrUrl)) { + return getNormalizedPathComponentsOfUrl(pathOrUrl); + } + else { + return getNormalizedPathComponents(pathOrUrl, currentDirectory); + } + } + function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { + var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); + var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); + if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { + directoryComponents.length--; + } + var joinStartIndex; + for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { + break; + } + } + if (joinStartIndex) { + var relativePath = ""; + var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); + for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (directoryComponents[joinStartIndex] !== "") { + relativePath = relativePath + ".." + ts.directorySeparator; + } + } + return relativePath + relativePathComponents.join(ts.directorySeparator); + } + var absolutePath = getNormalizedPathFromPathComponents(pathComponents); + if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { + absolutePath = "file:///" + absolutePath; + } + return absolutePath; + } + ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; + function getBaseFileName(path) { + if (path === undefined) { + return undefined; + } + var i = path.lastIndexOf(ts.directorySeparator); + return i < 0 ? path : path.substring(i + 1); + } + ts.getBaseFileName = getBaseFileName; + function combinePaths(path1, path2) { + if (!(path1 && path1.length)) + return path2; + if (!(path2 && path2.length)) + return path1; + if (getRootLength(path2) !== 0) + return path2; + if (path1.charAt(path1.length - 1) === ts.directorySeparator) + return path1 + path2; + return path1 + ts.directorySeparator + path2; + } + ts.combinePaths = combinePaths; + function fileExtensionIs(path, extension) { + var pathLen = path.length; + var extLen = extension.length; + return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; + } + ts.fileExtensionIs = fileExtensionIs; + ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; + ts.supportedJavascriptExtensions = [".js", ".jsx"]; + var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); + function getSupportedExtensions(options) { + return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; + } + ts.getSupportedExtensions = getSupportedExtensions; + function isSupportedSourceFileName(fileName, compilerOptions) { + if (!fileName) { + return false; + } + for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { + var extension = _a[_i]; + if (fileExtensionIs(fileName, extension)) { + return true; + } + } + return false; + } + ts.isSupportedSourceFileName = isSupportedSourceFileName; + var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; + function removeFileExtension(path) { + for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { + var ext = extensionsToRemove_1[_i]; + if (fileExtensionIs(path, ext)) { + return path.substr(0, path.length - ext.length); + } + } + return path; + } + ts.removeFileExtension = removeFileExtension; + function Symbol(flags, name) { + this.flags = flags; + this.name = name; + this.declarations = undefined; + } + function Type(checker, flags) { + this.flags = flags; + } + function Signature(checker) { + } + function Node(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0; + this.parent = undefined; + } + ts.objectAllocator = { + getNodeConstructor: function () { return Node; }, + getSourceFileConstructor: function () { return Node; }, + getSymbolConstructor: function () { return Symbol; }, + getTypeConstructor: function () { return Type; }, + getSignatureConstructor: function () { return Signature; } + }; + var Debug; + (function (Debug) { + var currentAssertionLevel = 0; + function shouldAssert(level) { + return currentAssertionLevel >= level; + } + Debug.shouldAssert = shouldAssert; + function assert(expression, message, verboseDebugInfo) { + if (!expression) { + var verboseDebugString = ""; + if (verboseDebugInfo) { + verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); + } + debugger; + throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); + } + } + Debug.assert = assert; + function fail(message) { + Debug.assert(false, message); + } + Debug.fail = fail; + })(Debug = ts.Debug || (ts.Debug = {})); + function copyListRemovingItem(item, list) { + var copiedList = []; + for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { + var e = list_1[_i]; + if (e !== item) { + copiedList.push(e); + } + } + return copiedList; + } + ts.copyListRemovingItem = copyListRemovingItem; + function createGetCanonicalFileName(useCaseSensitivefileNames) { + return useCaseSensitivefileNames + ? (function (fileName) { return fileName; }) + : (function (fileName) { return fileName.toLowerCase(); }); + } + ts.createGetCanonicalFileName = createGetCanonicalFileName; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.sys = (function () { + function getWScriptSystem() { + var fso = new ActiveXObject("Scripting.FileSystemObject"); + var fileStream = new ActiveXObject("ADODB.Stream"); + fileStream.Type = 2; + var binaryStream = new ActiveXObject("ADODB.Stream"); + binaryStream.Type = 1; + var args = []; + for (var i = 0; i < WScript.Arguments.length; i++) { + args[i] = WScript.Arguments.Item(i); + } + function readFile(fileName, encoding) { + if (!fso.FileExists(fileName)) { + return undefined; + } + fileStream.Open(); + try { + if (encoding) { + fileStream.Charset = encoding; + fileStream.LoadFromFile(fileName); + } + else { + fileStream.Charset = "x-ansi"; + fileStream.LoadFromFile(fileName); + var bom = fileStream.ReadText(2) || ""; + fileStream.Position = 0; + fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; + } + return fileStream.ReadText(); + } + catch (e) { + throw e; + } + finally { + fileStream.Close(); + } + } + function writeFile(fileName, data, writeByteOrderMark) { + fileStream.Open(); + binaryStream.Open(); + try { + fileStream.Charset = "utf-8"; + fileStream.WriteText(data); + if (writeByteOrderMark) { + fileStream.Position = 0; + } + else { + fileStream.Position = 3; + } + fileStream.CopyTo(binaryStream); + binaryStream.SaveToFile(fileName, 2); + } + finally { + binaryStream.Close(); + fileStream.Close(); + } + } + function getCanonicalPath(path) { + return path.toLowerCase(); + } + function getNames(collection) { + var result = []; + for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { + result.push(e.item().Name); + } + return result.sort(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var folder = fso.GetFolder(path || "."); + var files = getNames(folder.files); + for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { + var current = files_1[_i]; + var name_1 = ts.combinePaths(path, current); + if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { + result.push(name_1); + } + } + var subfolders = getNames(folder.subfolders); + for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { + var current = subfolders_1[_a]; + var name_2 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_2))) { + visitDirectory(name_2); + } + } + } + } + return { + args: args, + newLine: "\r\n", + useCaseSensitiveFileNames: false, + write: function (s) { + WScript.StdOut.Write(s); + }, + readFile: readFile, + writeFile: writeFile, + resolvePath: function (path) { + return fso.GetAbsolutePathName(path); + }, + fileExists: function (path) { + return fso.FileExists(path); + }, + directoryExists: function (path) { + return fso.FolderExists(path); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + fso.CreateFolder(directoryName); + } + }, + getExecutingFilePath: function () { + return WScript.ScriptFullName; + }, + getCurrentDirectory: function () { + return new ActiveXObject("WScript.Shell").CurrentDirectory; + }, + readDirectory: readDirectory, + exit: function (exitCode) { + try { + WScript.Quit(exitCode); + } + catch (e) { + } + } + }; + } + function getNodeSystem() { + var _fs = require("fs"); + var _path = require("path"); + var _os = require("os"); + function createPollingWatchedFileSet(interval, chunkSize) { + if (interval === void 0) { interval = 2500; } + if (chunkSize === void 0) { chunkSize = 30; } + var watchedFiles = []; + var nextFileToCheck = 0; + var watchTimer; + function getModifiedTime(fileName) { + return _fs.statSync(fileName).mtime; + } + function poll(checkedIndex) { + var watchedFile = watchedFiles[checkedIndex]; + if (!watchedFile) { + return; + } + _fs.stat(watchedFile.filePath, function (err, stats) { + if (err) { + watchedFile.callback(watchedFile.filePath); + } + else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { + watchedFile.mtime = getModifiedTime(watchedFile.filePath); + watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); + } + }); + } + function startWatchTimer() { + watchTimer = setInterval(function () { + var count = 0; + var nextToCheck = nextFileToCheck; + var firstCheck = -1; + while ((count < chunkSize) && (nextToCheck !== firstCheck)) { + poll(nextToCheck); + if (firstCheck < 0) { + firstCheck = nextToCheck; + } + nextToCheck++; + if (nextToCheck === watchedFiles.length) { + nextToCheck = 0; + } + count++; + } + nextFileToCheck = nextToCheck; + }, interval); + } + function addFile(filePath, callback) { + var file = { + filePath: filePath, + callback: callback, + mtime: getModifiedTime(filePath) + }; + watchedFiles.push(file); + if (watchedFiles.length === 1) { + startWatchTimer(); + } + return file; + } + function removeFile(file) { + watchedFiles = ts.copyListRemovingItem(file, watchedFiles); + } + return { + getModifiedTime: getModifiedTime, + poll: poll, + startWatchTimer: startWatchTimer, + addFile: addFile, + removeFile: removeFile + }; + } + function createWatchedFileSet() { + var dirWatchers = ts.createFileMap(); + var fileWatcherCallbacks = ts.createFileMap(); + return { addFile: addFile, removeFile: removeFile }; + function reduceDirWatcherRefCountForFile(filePath) { + var dirPath = ts.getDirectoryPath(filePath); + if (dirWatchers.contains(dirPath)) { + var watcher = dirWatchers.get(dirPath); + watcher.referenceCount -= 1; + if (watcher.referenceCount <= 0) { + watcher.close(); + dirWatchers.remove(dirPath); + } + } + } + function addDirWatcher(dirPath) { + if (dirWatchers.contains(dirPath)) { + var watcher_1 = dirWatchers.get(dirPath); + watcher_1.referenceCount += 1; + return; + } + var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); + watcher.referenceCount = 1; + dirWatchers.set(dirPath, watcher); + return; + } + function addFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + fileWatcherCallbacks.get(filePath).push(callback); + } + else { + fileWatcherCallbacks.set(filePath, [callback]); + } + } + function addFile(filePath, callback) { + addFileWatcherCallback(filePath, callback); + addDirWatcher(ts.getDirectoryPath(filePath)); + return { filePath: filePath, callback: callback }; + } + function removeFile(watchedFile) { + removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); + reduceDirWatcherRefCountForFile(watchedFile.filePath); + } + function removeFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); + if (newCallbacks.length === 0) { + fileWatcherCallbacks.remove(filePath); + } + else { + fileWatcherCallbacks.set(filePath, newCallbacks); + } + } + } + function fileEventHandler(eventName, relativeFileName, baseDirPath) { + var filePath = typeof relativeFileName !== "string" + ? undefined + : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { + for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { + var fileCallback = _a[_i]; + fileCallback(filePath); + } + } + } + } + var pollingWatchedFileSet = createPollingWatchedFileSet(); + var watchedFileSet = createWatchedFileSet(); + function isNode4OrLater() { + return parseInt(process.version.charAt(1)) >= 4; + } + var platform = _os.platform(); + var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; + function readFile(fileName, encoding) { + if (!_fs.existsSync(fileName)) { + return undefined; + } + var buffer = _fs.readFileSync(fileName); + var len = buffer.length; + if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { + len &= ~1; + for (var i = 0; i < len; i += 2) { + var temp = buffer[i]; + buffer[i] = buffer[i + 1]; + buffer[i + 1] = temp; + } + return buffer.toString("utf16le", 2); + } + if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { + return buffer.toString("utf16le", 2); + } + if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { + return buffer.toString("utf8", 3); + } + return buffer.toString("utf8"); + } + function writeFile(fileName, data, writeByteOrderMark) { + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + var fd; + try { + fd = _fs.openSync(fileName, "w"); + _fs.writeSync(fd, data, undefined, "utf8"); + } + finally { + if (fd !== undefined) { + _fs.closeSync(fd); + } + } + } + function getCanonicalPath(path) { + return useCaseSensitiveFileNames ? path : path.toLowerCase(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var files = _fs.readdirSync(path || ".").sort(); + var directories = []; + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var current = files_2[_i]; + var name_3 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_3))) { + var stat = _fs.statSync(name_3); + if (stat.isFile()) { + if (!extension || ts.fileExtensionIs(name_3, extension)) { + result.push(name_3); + } + } + else if (stat.isDirectory()) { + directories.push(name_3); + } + } + } + for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { + var current = directories_1[_a]; + visitDirectory(current); + } + } + } + return { + args: process.argv.slice(2), + newLine: _os.EOL, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + write: function (s) { + process.stdout.write(s); + }, + readFile: readFile, + writeFile: writeFile, + watchFile: function (filePath, callback) { + var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; + var watchedFile = watchSet.addFile(filePath, callback); + return { + close: function () { return watchSet.removeFile(watchedFile); } + }; + }, + watchDirectory: function (path, callback, recursive) { + var options; + if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { + options = { persistent: true, recursive: !!recursive }; + } + else { + options = { persistent: true }; + } + return _fs.watch(path, options, function (eventName, relativeFileName) { + if (eventName === "rename") { + callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); + } + ; + }); + }, + resolvePath: function (path) { + return _path.resolve(path); + }, + fileExists: function (path) { + return _fs.existsSync(path); + }, + directoryExists: function (path) { + return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + _fs.mkdirSync(directoryName); + } + }, + getExecutingFilePath: function () { + return __filename; + }, + getCurrentDirectory: function () { + return process.cwd(); + }, + readDirectory: readDirectory, + getMemoryUsage: function () { + if (global.gc) { + global.gc(); + } + return process.memoryUsage().heapUsed; + }, + exit: function (exitCode) { + process.exit(exitCode); + } + }; + } + function getChakraSystem() { + return { + newLine: ChakraHost.newLine || "\r\n", + args: ChakraHost.args, + useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, + write: ChakraHost.echo, + readFile: function (path, encoding) { + return ChakraHost.readFile(path); + }, + writeFile: function (path, data, writeByteOrderMark) { + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + ChakraHost.writeFile(path, data); + }, + resolvePath: ChakraHost.resolvePath, + fileExists: ChakraHost.fileExists, + directoryExists: ChakraHost.directoryExists, + createDirectory: ChakraHost.createDirectory, + getExecutingFilePath: function () { return ChakraHost.executingFile; }, + getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, + readDirectory: ChakraHost.readDirectory, + exit: ChakraHost.quit + }; + } + if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { + return getWScriptSystem(); + } + else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { + return getNodeSystem(); + } + else if (typeof ChakraHost !== "undefined") { + return getChakraSystem(); + } + else { + return undefined; + } + })(); +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.Diagnostics = { + Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, + Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, + _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, + A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, + Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, + Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, + Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, + A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, + Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, + A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, + An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, + An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, + An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, + An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, + An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, + An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, + An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, + Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, + _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, + _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, + _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, + super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, + Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, + Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, + A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, + Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, + _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, + _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, + _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, + _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, + _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, + A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, + A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, + A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, + A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, + A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, + A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, + A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, + A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, + A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, + Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, + Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, + An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, + Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, + Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, + Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, + Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, + _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, + An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, + The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, + In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, + Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, + A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, + Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, + Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, + An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, + _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, + _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, + Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, + Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, + An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, + A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, + An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, + _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, + Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, + Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, + Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, + with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, + delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, + A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, + A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, + Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, + A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, + Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, + Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, + A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, + A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, + Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, + A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, + A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, + An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, + An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, + An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, + An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, + Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, + A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, + Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, + Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, + Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, + Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, + Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, + Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, + Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, + case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, + Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, + Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, + Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, + Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, + Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, + Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, + Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, + Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, + Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, + String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, + Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, + or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, + Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, + Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, + Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, + Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, + File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, + new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, + const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, + const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, + let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, + Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, + Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, + An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, + A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, + Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, + A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, + A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, + A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, + extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, + extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, + Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, + implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, + Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, + Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, + Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, + Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, + Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, + Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, + A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, + An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, + Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, + Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, + A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, + A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, + The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, + The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, + An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, + Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, + An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, + Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, + Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, + Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, + Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, + An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, + Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, + Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, + Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, + Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, + Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, + Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, + Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, + Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, + Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, + Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, + A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, + Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, + Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, + Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, + Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, + Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, + An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, + _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, + Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, + Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, + Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, + Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, + A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, + A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, + A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, + An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, + An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, + An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, + An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, + A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, + The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, + The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, + Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, + Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, + Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, + Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, + abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, + _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, + Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, + Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, + An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, + A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, + A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, + A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, + with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, + await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, + Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, + can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, + The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, + Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, + Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, + Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, + Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, + Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, + Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, + File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, + Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, + Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, + An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, + Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, + A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, + An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, + Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, + Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, + Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, + Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, + Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, + Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, + Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, + Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, + Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, + Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, + Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, + Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, + Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, + Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, + Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, + Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, + Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, + Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, + this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, + this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, + this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, + this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, + super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, + super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, + Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, + super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, + Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, + Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, + Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, + An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, + Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, + Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, + Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, + Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, + Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, + Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, + Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, + Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, + Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, + Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, + No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, + A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, + An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, + The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, + The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, + The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, + The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, + The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, + The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, + Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, + Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, + A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, + A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, + A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, + Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, + Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, + Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, + Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, + A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, + Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, + A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, + Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, + get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, + A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, + Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, + Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, + Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, + Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, + Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, + Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, + Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, + Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, + Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, + Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, + Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, + Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, + Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, + Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, + Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, + Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, + Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, + Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, + Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, + Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, + Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, + The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, + The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, + Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, + The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, + Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, + Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, + All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, + Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, + Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, + Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, + Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, + Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, + Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, + Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, + Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, + A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, + Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, + Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, + Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, + All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, + Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, + Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, + In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, + A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, + A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, + Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, + Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, + Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, + Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, + Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, + Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, + Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, + Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, + Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, + Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, + Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, + The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, + Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, + The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, + Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, + Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, + An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, + The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, + Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, + Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, + Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, + An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, + Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, + Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, + Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, + A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, + A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, + A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, + this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, + super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, + A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, + Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, + The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, + Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, + A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, + Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, + Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, + In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, + const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, + A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, + const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, + const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, + Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, + let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, + Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, + The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, + Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, + The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, + Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, + Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, + An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, + The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, + Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, + Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, + Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, + Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, + The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, + Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, + Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, + An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, + A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, + A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, + _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, + Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, + No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, + A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, + _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, + Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, + No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, + Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, + Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, + Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, + Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, + Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, + Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, + Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, + All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, + Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, + A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, + Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, + Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, + The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, + yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, + await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, + Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, + A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, + The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, + A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, + JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, + The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, + JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, + Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, + JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, + JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, + Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, + JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, + The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, + Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, + A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, + Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, + Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, + Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, + Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, + JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, + Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, + super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, + super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, + Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, + Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, + Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, + Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, + Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, + Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, + Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, + export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, + Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, + Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, + Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, + Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, + Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, + Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, + Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, + Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, + Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, + Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, + Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, + Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, + Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, + Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, + Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, + The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, + Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, + Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, + Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, + Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, + Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, + Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, + Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, + Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, + Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, + Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, + Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, + Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, + A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, + Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, + Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, + Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, + The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, + Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, + Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, + Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, + Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, + Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, + Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, + Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, + Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, + Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, + Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, + Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, + Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, + Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, + Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, + Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, + Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, + Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, + Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, + options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, + file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, + Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, + Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, + Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, + Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, + File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, + KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, + FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, + VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, + LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, + DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, + Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, + Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, + Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, + Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, + Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, + Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, + Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, + Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, + Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, + Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, + Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, + File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, + File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, + Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, + Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, + Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, + File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, + Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, + NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, + Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, + Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, + Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, + Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, + Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, + Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, + Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, + Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, + Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, + Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, + Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, + Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, + Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, + Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, + Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, + Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, + Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, + Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, + Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, + Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, + Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, + Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, + Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, + Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, + new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, + _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, + Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, + Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, + Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, + Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, + Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, + Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, + Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, + _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, + JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, + Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, + Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, + Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, + Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, + You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, + You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, + import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, + export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, + type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, + implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, + interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, + module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, + type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, + _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, + types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, + type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, + parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, + property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, + enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, + type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, + Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, + class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, + JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, + JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, + Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, + JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, + Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, + A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, + An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, + super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } + }; +})(ts || (ts = {})); +var ts; +(function (ts) { + function tokenIsIdentifierOrKeyword(token) { + return token >= 69; + } + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = { + "abstract": 115, + "any": 117, + "as": 116, + "boolean": 120, + "break": 70, + "case": 71, + "catch": 72, + "class": 73, + "continue": 75, + "const": 74, + "constructor": 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2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + if (code < map[0]) { + return false; + } + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; + } + function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); + } + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); + } + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + if (source.hasOwnProperty(name_4)) { + result[source[name_4]] = name_4; + } + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13: + if (text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; + } + break; + } + } + result.push(lineStart); + return result; + } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); + } + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + } + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + return ch === 32 || + ch === 9 || + ch === 11 || + ch === 12 || + ch === 160 || + ch === 133 || + ch === 5760 || + ch >= 8192 && ch <= 8203 || + ch === 8239 || + ch === 8287 || + ch === 12288 || + ch === 65279; + } + ts.isWhiteSpace = isWhiteSpace; + function isLineBreak(ch) { + return ch === 10 || + ch === 13 || + ch === 8232 || + ch === 8233; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isOctalDigit(ch) { + return ch >= 48 && ch <= 55; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + case 10: + case 9: + case 11: + case 12: + case 32: + case 47: + case 60: + case 61: + case 62: + return true; + case 35: + return pos === 0; + default: + return ch > 127; + } + } + ts.couldStartTrivia = couldStartTrivia; + function skipTrivia(text, pos, stopAfterLineBreak) { + if (!(pos >= 0)) { + return pos; + } + while (true) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60: + case 61: + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { + pos++; + continue; + } + break; + } + return pos; + } + } + ts.skipTrivia = skipTrivia; + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; + } + } + return ch === 61 || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32; + } + } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 || ch === 62) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; + } + } + else { + ts.Debug.assert(ch === 61); + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; + } + } + return pos; + } + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + function getCommentRanges(text, pos, trailing) { + var result; + var collecting = trailing || pos === 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13: + if (text.charCodeAt(pos + 1) === 10) { + pos++; + } + case 10: + pos++; + if (trailing) { + return result; + } + collecting = true; + if (result && result.length) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + continue; + case 9: + case 11: + case 12: + case 32: + pos++; + continue; + case 47: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 || nextChar === 42) { + var kind = nextChar === 47 ? 2 : 3; + var startPos = pos; + pos += 2; + if (nextChar === 47) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (!result) { + result = []; + } + result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + } + continue; + } + break; + default: + if (ch > 127 && (isWhiteSpace(ch) || isLineBreak(ch))) { + if (result && result.length && isLineBreak(ch)) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + pos++; + continue; + } + break; + } + return result; + } + return result; + } + function getLeadingCommentRanges(text, pos) { + return getCommentRanges(text, pos, false); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return getCommentRanges(text, pos, true); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122 || + ch >= 48 && ch <= 57 || ch === 36 || ch === 95 || + ch > 127 && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + function isIdentifier(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; + } + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; + } + } + return true; + } + ts.isIdentifier = isIdentifier; + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0; } + var pos; + var end; + var startPos; + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 69 || token > 105; }, + isReservedWord: function () { return token >= 70 && token <= 105; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } + } + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + } + var end = pos; + if (text.charCodeAt(pos) === 69 || text.charCodeAt(pos) === 101) { + pos++; + if (text.charCodeAt(pos) === 43 || text.charCodeAt(pos) === 45) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } + } + return "" + +(text.substring(start, end)); + } + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); + } + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(count, false); + } + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(count, true); + } + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 && ch <= 57) { + value = value * 16 + ch - 48; + } + else if (ch >= 65 && ch <= 70) { + value = value * 16 + ch - 65 + 10; + } + else if (ch >= 97 && ch <= 102) { + value = value * 16 + ch - 97 + 10; + } + else { + break; + } + pos++; + digits++; + } + if (digits < minCount) { + value = -1; + } + return value; + } + function scanString() { + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; + } + return result; + } + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 11 : 14; + break; + } + var currChar = text.charCodeAt(pos); + if (currChar === 96) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 11 : 14; + break; + } + if (currChar === 36 && pos + 1 < end && text.charCodeAt(pos + 1) === 123) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 12 : 13; + break; + } + if (currChar === 92) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + if (currChar === 13) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + contents += "\n"; + start = pos; + continue; + } + pos++; + } + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; + } + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; + } + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48: + return "\0"; + case 98: + return "\b"; + case 116: + return "\t"; + case 110: + return "\n"; + case 118: + return "\v"; + case 102: + return "\f"; + case 114: + return "\r"; + case 39: + return "\'"; + case 34: + return "\""; + case 117: + if (pos < end && text.charCodeAt(pos) === 123) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + return scanHexadecimalEscape(4); + case 120: + return scanHexadecimalEscape(2); + case 13: + if (pos < end && text.charCodeAt(pos) === 10) { + pos++; + } + case 10: + case 8232: + case 8233: + return ""; + default: + return String.fromCharCode(ch); + } + } + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); + } + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; + } + } + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; + } + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; + } + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; + } + else if (text.charCodeAt(pos) === 125) { + pos++; + } + else { + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; + } + if (isInvalidExtendedEscape) { + return ""; + } + return utf16EncodeAsString(escapedValue); + } + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); + } + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; + } + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; + } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + pos += 6; + start = pos; + } + else { + break; + } + } + result += text.substring(start, pos); + return result; + } + function getIdentifierToken() { + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 && ch <= 122 && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; + } + } + return token = 69; + } + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); + var value = 0; + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; + } + if (numberOfDigits === 0) { + return -1; + } + return value; + } + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var ch = text.charCodeAt(pos); + if (ch === 35 && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6; + } + } + switch (ch) { + case 10: + case 13: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 && pos + 1 < end && text.charCodeAt(pos + 1) === 10) { + pos += 2; + } + else { + pos++; + } + return token = 4; + } + case 9: + case 11: + case 12: + case 32: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { + pos++; + } + return token = 5; + } + case 33: + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 33; + } + return pos += 2, token = 31; + } + pos++; + return token = 49; + case 34: + case 39: + tokenValue = scanString(); + return token = 9; + case 96: + return token = scanTemplateAndSetTokenValue(); + case 37: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 62; + } + pos++; + return token = 40; + case 38: + if (text.charCodeAt(pos + 1) === 38) { + return pos += 2, token = 51; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 66; + } + pos++; + return token = 46; + case 40: + pos++; + return token = 17; + case 41: + pos++; + return token = 18; + case 42: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 59; + } + if (text.charCodeAt(pos + 1) === 42) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 60; + } + return pos += 2, token = 38; + } + pos++; + return token = 37; + case 43: + if (text.charCodeAt(pos + 1) === 43) { + return pos += 2, token = 41; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 57; + } + pos++; + return token = 35; + case 44: + pos++; + return token = 24; + case 45: + if (text.charCodeAt(pos + 1) === 45) { + return pos += 2, token = 42; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 58; + } + pos++; + return token = 36; + case 46: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8; + } + if (text.charCodeAt(pos + 1) === 46 && text.charCodeAt(pos + 2) === 46) { + return pos += 3, token = 22; + } + pos++; + return token = 21; + case 47: + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2; + } + } + if (text.charCodeAt(pos + 1) === 42) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 && text.charCodeAt(pos + 1) === 47) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3; + } + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 61; + } + pos++; + return token = 39; + case 48: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 || text.charCodeAt(pos + 1) === 120)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 || text.charCodeAt(pos + 1) === 98)) { + pos += 2; + var value = scanBinaryOrOctalDigits(2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 || text.charCodeAt(pos + 1) === 111)) { + pos += 2; + var value = scanBinaryOrOctalDigits(8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8; + } + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8; + } + case 49: + case 50: + case 51: + case 52: + case 53: + case 54: + case 55: + case 56: + case 57: + tokenValue = scanNumber(); + return token = 8; + case 58: + pos++; + return token = 54; + case 59: + pos++; + return token = 23; + case 60: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 60) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 63; + } + return pos += 2, token = 43; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 28; + } + if (languageVariant === 1 && + text.charCodeAt(pos + 1) === 47 && + text.charCodeAt(pos + 2) !== 42) { + return pos += 2, token = 26; + } + pos++; + return token = 25; + case 61: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + if (text.charCodeAt(pos + 1) === 61) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 32; + } + return pos += 2, token = 30; + } + if (text.charCodeAt(pos + 1) === 62) { + return pos += 2, token = 34; + } + pos++; + return token = 56; + case 62: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7; + } + } + pos++; + return token = 27; + case 63: + pos++; + return token = 53; + case 91: + pos++; + return token = 19; + case 93: + pos++; + return token = 20; + case 94: + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 68; + } + pos++; + return token = 48; + case 123: + pos++; + return token = 15; + case 124: + if (text.charCodeAt(pos + 1) === 124) { + return pos += 2, token = 52; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 67; + } + pos++; + return token = 47; + case 125: + pos++; + return token = 16; + case 126: + pos++; + return token = 50; + case 64: + pos++; + return token = 55; + case 92: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpace(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0; + } + } + } + function reScanGreaterToken() { + if (token === 27) { + if (text.charCodeAt(pos) === 62) { + if (text.charCodeAt(pos + 1) === 62) { + if (text.charCodeAt(pos + 2) === 61) { + return pos += 3, token = 65; + } + return pos += 2, token = 45; + } + if (text.charCodeAt(pos + 1) === 61) { + return pos += 2, token = 64; + } + pos++; + return token = 44; + } + if (text.charCodeAt(pos) === 61) { + pos++; + return token = 29; + } + } + return token; + } + function reScanSlashToken() { + if (token === 39 || token === 61) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + inEscape = false; + } + else if (ch === 47 && !inCharacterClass) { + p++; + break; + } + else if (ch === 91) { + inCharacterClass = true; + } + else if (ch === 92) { + inEscape = true; + } + else if (ch === 93) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 10; + } + return token; + } + function reScanTemplateToken() { + ts.Debug.assert(token === 16, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); + } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); + } + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1; + } + var char = text.charCodeAt(pos); + if (char === 60) { + if (text.charCodeAt(pos + 1) === 47) { + pos += 2; + return token = 26; + } + pos++; + return token = 25; + } + if (char === 123) { + pos++; + return token = 15; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123) || (char === 60)) { + break; + } + } + return token = 239; + } + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; + } + function scanJSDocToken() { + if (pos >= end) { + return token = 1; + } + startPos = pos; + var ch = text.charCodeAt(pos); + while (pos < end) { + ch = text.charCodeAt(pos); + if (isWhiteSpace(ch)) { + pos++; + } + else { + break; + } + } + tokenPos = pos; + switch (ch) { + case 64: + return pos += 1, token = 55; + case 10: + case 13: + return pos += 1, token = 4; + case 42: + return pos += 1, token = 37; + case 123: + return pos += 1, token = 15; + case 125: + return pos += 1, token = 16; + case 91: + return pos += 1, token = 19; + case 93: + return pos += 1, token = 20; + case 61: + return pos += 1, token = 56; + case 44: + return pos += 1, token = 24; + } + if (isIdentifierStart(ch, 2)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 2) && pos < end) { + pos++; + } + return token = 69; + } + else { + return pos += 1, token = 0; + } + } + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; + } + return result; + } + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryScan(callback) { + return speculationHelper(callback, false); + } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); + } + function setOnError(errorCallback) { + onError = errorCallback; + } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; + } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; + } + } + ts.createScanner = createScanner; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.optionDeclarations = [ + { + name: "charset", + type: "string" + }, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file + }, + { + name: "diagnostics", + type: "boolean" + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file + }, + { + name: "inlineSourceMap", + type: "boolean" + }, + { + name: "inlineSources", + type: "boolean" + }, + { + name: "jsx", + type: { + "preserve": 1, + "react": 2 + }, + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean" + }, + { + name: "locale", + type: "string" + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "module", + shortName: "m", + type: { + "none": 0, + "commonjs": 1, + "amd": 2, + "system": 4, + "umd": 3, + "es6": 5, + "es2015": 5 + }, + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none + }, + { + name: "newLine", + type: { + "crlf": 0, + "lf": 1 + }, + description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type + }, + { + name: "noLib", + type: "boolean" + }, + { + name: "noResolve", + type: "boolean" + }, + { + name: "skipDefaultLibCheck", + type: "boolean" + }, + { + name: "out", + type: "string", + isFilePath: false, + paramType: ts.Diagnostics.FILE + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "isolatedModules", + type: "boolean" + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: { + "es3": 0, + "es5": 1, + "es6": 2, + "es2015": 2 + }, + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, + paramType: ts.Diagnostics.VERSION, + error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: { + "node": 2, + "classic": 1 + }, + description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "noCustomAsyncPromise", + type: "boolean", + experimental: true + } + ]; + var optionNameMapCache; + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; + } + var optionNameMap = {}; + var shortOptionNames = {}; + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; + } + ts.getOptionNameMap = getOptionNameMap; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64) { + parseResponseFile(s.slice(1)); + } + else if (s.charCodeAt(0) === 45) { + s = s.slice(s.charCodeAt(1) === 45 ? 2 : 1).toLowerCase(); + if (ts.hasProperty(shortOptionNames, s)) { + s = shortOptionNames[s]; + } + if (ts.hasProperty(optionNameMap, s)) { + var opt = optionNameMap[s]; + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + options[opt.name] = true; + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + default: + var map_1 = opt.type; + var key = (args[i] || "").toLowerCase(); + i++; + if (ts.hasProperty(map_1, key)) { + options[opt.name] = map_1[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + } + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); + } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); + } + } + ts.parseCommandLine = parseCommandLine; + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); + } + ts.readConfigFile = readConfigFile; + function parseConfigFileTextToJson(fileName, jsonText) { + try { + var jsonTextWithoutComments = removeComments(jsonText); + return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } + } + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1, false, 0, jsonText); + var token; + while ((token = scanner.scan()) !== 1) { + switch (token) { + case 2: + case 3: + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; + } + } + return output; + } + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { + if (existingOptions === void 0) { existingOptions = {}; } + var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; + var options = ts.extend(existingOptions, optionsFromJsonConfigFile); + return { + options: options, + fileNames: getFileNames(), + errors: errors + }; + function getFileNames() { + var fileNames = []; + if (ts.hasProperty(json, "files")) { + if (json["files"] instanceof Array) { + fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } + } + else { + var filesSeen = {}; + var exclude = []; + if (json["exclude"] instanceof Array) { + exclude = json["exclude"]; + } + else { + exclude = ["node_modules"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + exclude.push(outDir); + } + } + exclude = ts.map(exclude, ts.normalizeSlashes); + var supportedExtensions = ts.getSupportedExtensions(options); + ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); + for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { + var extension = supportedExtensions_1[_i]; + var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); + for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { + var fileName = filesInDirWithExtension_1[_a]; + if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { + continue; + } + if (/\.min\.js$/.test(fileName)) { + continue; + } + if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { + var baseName = fileName.substr(0, fileName.length - extension.length); + if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { + continue; + } + } + filesSeen[fileName] = true; + fileNames.push(fileName); + } + } + } + return fileNames; + } + } + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var options = {}; + var errors = []; + if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { + options.allowJs = true; + } + if (!jsonOptions) { + return { options: options, errors: errors }; + } + var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (ts.hasProperty(optionNameMap, id)) { + var opt = optionNameMap[id]; + var optType = opt.type; + var value = jsonOptions[id]; + var expectedType = typeof optType === "string" ? optType : "string"; + if (typeof value === expectedType) { + if (typeof optType !== "string") { + var key = value.toLowerCase(); + if (ts.hasProperty(optType, key)) { + value = optType[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + value = 0; + } + } + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } + options[opt.name] = value; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); + } + } + return { options: options, errors: errors }; + } + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; + } + } + } + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + writeLine: function () { return str_1 += " "; }, + increaseIndent: function () { }, + decreaseIndent: function () { }, + clear: function () { return str_1 = ""; }, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + } + return stringWriters.pop(); + } + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); + } + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; + } + ts.getFullWidth = getFullWidth; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function hasResolvedModule(sourceFile, moduleNameText) { + return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); + } + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; + } + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = {}; + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; + } + ts.setResolvedModule = setResolvedModule; + function containsParseError(node) { + aggregateChildData(node); + return (node.parserContextFlags & 64) !== 0; + } + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.parserContextFlags & 128)) { + var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16) !== 0) || + ts.forEachChild(node, containsParseError); + if (thisNodeOrAnySubNodesHasError) { + node.parserContextFlags |= 64; + } + node.parserContextFlags |= 128; + } + } + function getSourceFileOfNode(node) { + while (node && node.kind !== 251) { + node = node.parent; + } + return node; + } + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 195: + case 223: + case 202: + case 203: + case 204: + return true; + } + return false; + } + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; + } + ts.getStartPositionOfLine = getStartPositionOfLine; + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; + } + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; + } + ts.getStartPosOfNode = getStartPosOfNode; + function nodeIsMissing(node) { + if (!node) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1; + } + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); + } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node)) { + return node.pos; + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); + } + ts.getTokenPosOfNode = getTokenPosOfNode; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); + } + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); + } + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); + } + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); + } + ts.getTextOfNode = getTextOfNode; + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 ? "_" + identifier : identifier; + } + ts.escapeIdentifier = escapeIdentifier; + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 && identifier.charCodeAt(1) === 95 && identifier.charCodeAt(2) === 95 ? identifier.substr(1) : identifier; + } + ts.unescapeIdentifier = unescapeIdentifier; + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); + } + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (getCombinedNodeFlags(declaration) & 24576) !== 0 || + isCatchClauseVariableDeclaration(declaration); + } + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isAmbientModule(node) { + return node && node.kind === 221 && + (node.name.kind === 9 || isGlobalScopeAugmentation(node)); + } + ts.isAmbientModule = isAmbientModule; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 251 || + node.kind === 221 || + isFunctionLike(node) || + isFunctionBlock(node); + } + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 2097152); + } + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 251: + return isExternalModule(node.parent); + case 222: + return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); + } + return false; + } + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isFunctionLike(current)) { + return current; + } + switch (current.kind) { + case 251: + case 223: + case 247: + case 221: + case 202: + case 203: + case 204: + return current; + case 195: + if (!isFunctionLike(current.parent)) { + return current; + } + } + current = current.parent; + } + } + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function isCatchClauseVariableDeclaration(declaration) { + return declaration && + declaration.kind === 214 && + declaration.parent && + declaration.parent.kind === 247; + } + ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); + } + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); + } + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; + } + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, true, sourceFile.languageVariant, sourceFile.text, undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); + } + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 251: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, false); + if (pos_1 === sourceFile.text.length) { + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + case 214: + case 166: + case 217: + case 189: + case 218: + case 221: + case 220: + case 250: + case 216: + case 176: + case 144: + case 219: + errorNode = node.name; + break; + } + if (errorNode === undefined) { + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); + } + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; + } + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return (file.flags & 4096) !== 0; + } + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 220 && isConst(node); + } + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 166 || isBindingPattern(node))) { + node = node.parent; + } + return node; + } + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 214) { + node = node.parent; + } + if (node && node.kind === 215) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 196) { + flags |= node.flags; + } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; + function isConst(node) { + return !!(getCombinedNodeFlags(node) & 16384); + } + ts.isConst = isConst; + function isLet(node) { + return !!(getCombinedNodeFlags(node) & 8192); + } + ts.isLet = isLet; + function isSuperCallExpression(n) { + return n.kind === 171 && n.expression.kind === 95; + } + ts.isSuperCallExpression = isSuperCallExpression; + function isPrologueDirective(node) { + return node.kind === 198 && node.expression.kind === 9; + } + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); + } + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); + } + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); + } + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 139 || node.kind === 138) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 42 && + text.charCodeAt(comment.pos + 3) !== 47; + } + } + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isTypeNode(node) { + if (151 <= node.kind && node.kind <= 163) { + return true; + } + switch (node.kind) { + case 117: + case 128: + case 130: + case 120: + case 131: + return true; + case 103: + return node.parent.kind !== 180; + case 191: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + case 69: + if (node.parent.kind === 136 && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 169 && node.parent.name === node) { + node = node.parent; + } + ts.Debug.assert(node.kind === 69 || node.kind === 136 || node.kind === 169, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); + case 136: + case 169: + case 97: + var parent_1 = node.parent; + if (parent_1.kind === 155) { + return false; + } + if (151 <= parent_1.kind && parent_1.kind <= 163) { + return true; + } + switch (parent_1.kind) { + case 191: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); + case 138: + return node === parent_1.constraint; + case 142: + case 141: + case 139: + case 214: + return node === parent_1.type; + case 216: + case 176: + case 177: + case 145: + case 144: + case 143: + case 146: + case 147: + return node === parent_1.type; + case 148: + case 149: + case 150: + return node === parent_1.type; + case 174: + return node === parent_1.type; + case 171: + case 172: + return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; + case 173: + return false; + } + } + return false; + } + ts.isTypeNode = isTypeNode; + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 207: + return visitor(node); + case 223: + case 195: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 208: + case 209: + case 244: + case 245: + case 210: + case 212: + case 247: + return ts.forEachChild(node, traverse); + } + } + } + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 187: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 220: + case 218: + case 221: + case 219: + case 217: + case 189: + return; + default: + if (isFunctionLike(node)) { + var name_5 = node.name; + if (name_5 && name_5.kind === 137) { + traverse(name_5.expression); + return; + } + } + else if (!isTypeNode(node)) { + ts.forEachChild(node, traverse); + } + } + } + } + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 166: + case 250: + case 139: + case 248: + case 142: + case 141: + case 249: + case 214: + return true; + } + } + return false; + } + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 146 || node.kind === 147); + } + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 217 || node.kind === 189); + } + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); + } + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 145: + case 176: + case 216: + case 177: + case 144: + case 143: + case 146: + case 147: + case 148: + case 149: + case 150: + case 153: + case 154: + return true; + } + } + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 176: + return true; + } + return false; + } + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 202: + case 203: + case 204: + case 200: + case 201: + return true; + case 210: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; + } + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 195 && isFunctionLike(node.parent); + } + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 144 && node.parent.kind === 168; + } + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1; + } + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0; + } + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } + } + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } + } + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 137: + if (isClassLike(node.parent.parent)) { + return node; + } + node = node.parent; + break; + case 140: + if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + case 177: + if (!includeArrowFunctions) { + continue; + } + case 216: + case 176: + case 221: + case 142: + case 141: + case 144: + case 143: + case 145: + case 146: + case 147: + case 148: + case 149: + case 150: + case 220: + case 251: + return node; + } + } + } + ts.getThisContainer = getThisContainer; + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 137: + node = node.parent; + break; + case 216: + case 176: + case 177: + if (!stopOnFunctions) { + continue; + } + case 142: + case 141: + case 144: + case 143: + case 145: + case 146: + case 147: + return node; + case 140: + if (node.parent.kind === 139 && isClassElement(node.parent.parent)) { + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + node = node.parent; + } + break; + } + } + } + ts.getSuperContainer = getSuperContainer; + function isSuperPropertyOrElementAccess(node) { + return (node.kind === 169 + || node.kind === 170) + && node.expression.kind === 95; + } + ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 152: + return node.typeName; + case 191: + return node.expression; + case 69: + case 136: + return node; + } + } + return undefined; + } + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function getInvokedExpression(node) { + if (node.kind === 173) { + return node.tag; + } + return node.expression; + } + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 217: + return true; + case 142: + return node.parent.kind === 217; + case 146: + case 147: + case 144: + return node.body !== undefined + && node.parent.kind === 217; + case 139: + return node.parent.body !== undefined + && (node.parent.kind === 145 + || node.parent.kind === 144 + || node.parent.kind === 147) + && node.parent.parent.kind === 217; + } + return false; + } + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); + } + ts.nodeIsDecorated = nodeIsDecorated; + function isPropertyAccessExpression(node) { + return node.kind === 169; + } + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 170; + } + ts.isElementAccessExpression = isElementAccessExpression; + function isExpression(node) { + switch (node.kind) { + case 95: + case 93: + case 99: + case 84: + case 10: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 173: + case 192: + case 174: + case 175: + case 176: + case 189: + case 177: + case 180: + case 178: + case 179: + case 182: + case 183: + case 184: + case 185: + case 188: + case 186: + case 11: + case 190: + case 236: + case 237: + case 187: + case 181: + return true; + case 136: + while (node.parent.kind === 136) { + node = node.parent; + } + return node.parent.kind === 155; + case 69: + if (node.parent.kind === 155) { + return true; + } + case 8: + case 9: + case 97: + var parent_2 = node.parent; + switch (parent_2.kind) { + case 214: + case 139: + case 142: + case 141: + case 250: + case 248: + case 166: + return parent_2.initializer === node; + case 198: + case 199: + case 200: + case 201: + case 207: + case 208: + case 209: + case 244: + case 211: + case 209: + return parent_2.expression === node; + case 202: + var forStatement = parent_2; + return (forStatement.initializer === node && forStatement.initializer.kind !== 215) || + forStatement.condition === node || + forStatement.incrementor === node; + case 203: + case 204: + var forInStatement = parent_2; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215) || + forInStatement.expression === node; + case 174: + case 192: + return node === parent_2.expression; + case 193: + return node === parent_2.expression; + case 137: + return node === parent_2.expression; + case 140: + case 243: + case 242: + return true; + case 191: + return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + default: + if (isExpression(parent_2)) { + return true; + } + } + } + return false; + } + ts.isExpression = isExpression; + function isExternalModuleNameRelative(moduleName) { + return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; + } + ts.isExternalModuleNameRelative = isExternalModuleNameRelative; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 || + (preserveConstEnums && moduleState === 2); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 && node.moduleReference.kind === 235; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 && node.moduleReference.kind !== 235; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.parserContextFlags & 32); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + function isRequireCall(expression, checkArgumentIsStringLiteral) { + var isRequire = expression.kind === 171 && + expression.expression.kind === 69 && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9); + } + ts.isRequireCall = isRequireCall; + function getSpecialPropertyAssignmentKind(expression) { + if (expression.kind !== 184) { + return 0; + } + var expr = expression; + if (expr.operatorToken.kind !== 56 || expr.left.kind !== 169) { + return 0; + } + var lhs = expr.left; + if (lhs.expression.kind === 69) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + return 1; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + return 2; + } + } + else if (lhs.expression.kind === 97) { + return 4; + } + else if (lhs.expression.kind === 169) { + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 69 && innerPropertyAccess.name.text === "prototype") { + return 3; + } + } + return 0; + } + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 225) { + return node.moduleSpecifier; + } + if (node.kind === 224) { + var reference = node.moduleReference; + if (reference.kind === 235) { + return reference.expression; + } + } + if (node.kind === 231) { + return node.moduleSpecifier; + } + if (node.kind === 221 && node.name.kind === 9) { + return node.name; + } + } + ts.getExternalModuleName = getExternalModuleName; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 139: + case 144: + case 143: + case 249: + case 248: + case 142: + case 141: + return node.questionToken !== undefined; + } + } + return false; + } + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 264 && + node.parameters.length > 0 && + node.parameters[0].type.kind === 266; + } + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocComment = getJSDocComment(node, checkParentVariableStatement); + if (!jsDocComment) { + return undefined; + } + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === kind) { + return tag; + } + } + } + function getJSDocComment(node, checkParentVariableStatement) { + if (node.jsDocComment) { + return node.jsDocComment; + } + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 && + node.parent.initializer === node && + node.parent.parent.parent.kind === 196; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; + if (variableStatementNode) { + return variableStatementNode.jsDocComment; + } + var parent_3 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && + parent_3.kind === 184 && + parent_3.operatorToken.kind === 56 && + parent_3.parent.kind === 198; + if (isSourceOfAssignmentExpressionStatement) { + return parent_3.parent.jsDocComment; + } + var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248; + if (isPropertyAssignmentExpression) { + return parent_3.jsDocComment; + } + } + return undefined; + } + function getJSDocTypeTag(node) { + return getJSDocTag(node, 272, false); + } + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 271, true); + } + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 273, false); + } + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 69) { + var parameterName = parameter.name.text; + var jsDocComment = getJSDocComment(parameter.parent, true); + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === 270) { + var parameterTag = tag; + var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; + if (name_6.text === parameterName) { + return parameterTag; + } + } + } + } + } + return undefined; + } + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); + } + ts.hasRestParameter = hasRestParameter; + function isRestParameter(node) { + if (node) { + if (node.parserContextFlags & 32) { + if (node.type && node.type.kind === 265) { + return true; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 265; + } + } + return node.dotDotDotToken !== undefined; + } + return false; + } + ts.isRestParameter = isRestParameter; + function isLiteralKind(kind) { + return 8 <= kind && kind <= 11; + } + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 || kind === 11; + } + ts.isTextualLiteralKind = isTextualLiteralKind; + function isTemplateLiteralKind(kind) { + return 11 <= kind && kind <= 14; + } + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isBindingPattern(node) { + return !!node && (node.kind === 165 || node.kind === 164); + } + ts.isBindingPattern = isBindingPattern; + function isNodeDescendentOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendentOf = isNodeDescendentOf; + function isInAmbientContext(node) { + while (node) { + if (node.flags & (4 | 4096)) { + return true; + } + node = node.parent; + } + return false; + } + ts.isInAmbientContext = isInAmbientContext; + function isDeclaration(node) { + switch (node.kind) { + case 177: + case 166: + case 217: + case 189: + case 145: + case 220: + case 250: + case 233: + case 216: + case 176: + case 146: + case 226: + case 224: + case 229: + case 218: + case 144: + case 143: + case 221: + case 227: + case 139: + case 248: + case 142: + case 141: + case 147: + case 249: + case 219: + case 138: + case 214: + return true; + } + return false; + } + ts.isDeclaration = isDeclaration; + function isStatement(n) { + switch (n.kind) { + case 206: + case 205: + case 213: + case 200: + case 198: + case 197: + case 203: + case 204: + case 202: + case 199: + case 210: + case 207: + case 209: + case 211: + case 212: + case 196: + case 201: + case 208: + case 230: + return true; + default: + return false; + } + } + ts.isStatement = isStatement; + function isClassElement(n) { + switch (n.kind) { + case 145: + case 142: + case 144: + case 146: + case 147: + case 143: + case 150: + return true; + default: + return false; + } + } + ts.isClassElement = isClassElement; + function isDeclarationName(name) { + if (name.kind !== 69 && name.kind !== 9 && name.kind !== 8) { + return false; + } + var parent = name.parent; + if (parent.kind === 229 || parent.kind === 233) { + if (parent.propertyName) { + return true; + } + } + if (isDeclaration(parent)) { + return parent.name === name; + } + return false; + } + ts.isDeclarationName = isDeclarationName; + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 142: + case 141: + case 144: + case 143: + case 146: + case 147: + case 250: + case 248: + case 169: + return parent.name === node; + case 136: + if (parent.right === node) { + while (parent.kind === 136) { + parent = parent.parent; + } + return parent.kind === 155; + } + return false; + case 166: + case 229: + return parent.propertyName === node; + case 233: + return true; + } + return false; + } + ts.isIdentifierName = isIdentifierName; + function isAliasSymbolDeclaration(node) { + return node.kind === 224 || + node.kind === 226 && !!node.name || + node.kind === 227 || + node.kind === 229 || + node.kind === 233 || + node.kind === 230 && node.expression.kind === 69; + } + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; + } + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 106); + return heritageClause ? heritageClause.types : undefined; + } + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83); + return heritageClause ? heritageClause.types : undefined; + } + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } + } + } + return undefined; + } + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; + } + node = node.parent; + } + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; + } + else { + var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + if (matchResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: matchResult[3] + }, + isNoDefaultLib: false + }; + } + else { + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; + } + } + } + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 70 <= token && token <= 135; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 <= token && token <= 7; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && (node.flags & 256) !== 0 && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 || kind === 8; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 137 && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 69 || name.kind === 9 || name.kind === 8) { + return name.text; + } + if (name.kind === 137) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); + } + } + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + function isESSymbolIdentifier(node) { + return node.kind === 69 && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isModifierKind(token) { + switch (token) { + case 115: + case 118: + case 74: + case 122: + case 77: + case 82: + case 112: + case 110: + case 111: + case 113: + return true; + } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 139; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 166) { + node = node.parent.parent; + } + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(n) { + return isFunctionLike(n) || n.kind === 221 || n.kind === 251; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + function cloneNode(node, location, flags, parent) { + var clone = location !== undefined + ? ts.createNode(node.kind, location.pos, location.end) + : createSynthesizedNode(node.kind); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; + } + clone[key] = node[key]; + } + if (flags !== undefined) { + clone.flags = flags; + } + if (parent !== undefined) { + clone.parent = parent; + } + return clone; + } + ts.cloneNode = cloneNode; + function cloneEntityName(node, parent) { + var clone = cloneNode(node, node, node.flags, parent); + if (isQualifiedName(clone)) { + var left = clone.left, right = clone.right; + clone.left = cloneEntityName(left, clone); + clone.right = cloneNode(right, right, right.flags, parent); + } + return clone; + } + ts.cloneEntityName = cloneEntityName; + function isQualifiedName(node) { + return node.kind === 136; + } + ts.isQualifiedName = isQualifiedName; + function nodeIsSynthesized(node) { + return node.pos === -1; + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = ts.createNode(kind, -1, -1); + node.startsOnNewLine = startsOnNewLine; + return node; + } + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray() { + var array = []; + array.pos = -1; + array.end = -1; + return array; + } + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = {}; + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; + } + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; + } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; + } + } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; + } + } + else { + diagnostics = nonFileDiagnostics; + } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; + } + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; + } + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); + } + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); + } + } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + } + } + } + } + ts.createDiagnosticCollection = createDiagnosticCollection; + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = { + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" + }; + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); + } + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + } + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } + } + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; + } + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } + } + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } + } + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } + } + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); + } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + reset: reset + }; + } + ts.createTextWriter = createTextWriter; + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); + } + else { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); + } + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getEmitScriptTarget(compilerOptions) { + return compilerOptions.target || 0; + } + ts.getEmitScriptTarget = getEmitScriptTarget; + function getEmitModuleKind(compilerOptions) { + return typeof compilerOptions.module === "number" ? + compilerOptions.module : + getEmitScriptTarget(compilerOptions) === 2 ? 5 : 1; + } + ts.getEmitModuleKind = getEmitModuleKind; + function forEachExpectedEmitFile(host, action, targetSourceFile) { + var options = host.getCompilerOptions(); + if (options.outFile || options.out) { + onBundledEmit(host); + } + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + if (!isDeclarationFile(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } + } + function onSingleFileEmit(host, sourceFile) { + var extension = ".js"; + if (options.jsx === 1) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1) { + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined + }; + action(emitFileNames, [sourceFile], false); + } + function onBundledEmit(host) { + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + (!isExternalModule(sourceFile) || + (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) + }; + action(emitFileNames, bundledSources, true); + } + } + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; + } + function getDeclarationEmitFilePath(jsFilePath, options) { + return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + } + } + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); + return ts.combinePaths(newDirPath, sourceFilePath); + } + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }); + } + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + } + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + } + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 145 && nodeIsPresent(member.body)) { + return member; + } + }); + } + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; + } + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 146) { + getAccessor = accessor; + } + else if (accessor.kind === 147) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } + } + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 146 || member.kind === 147) + && (member.flags & 64) === (accessor.flags & 64)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 146 && !getAccessor) { + getAccessor = member; + } + if (member.kind === 147 && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; + } + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); + } + } + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { + var emitLeadingSpace = !trailingSeparator; + ts.forEach(comments, function (comment) { + if (emitLeadingSpace) { + writer.write(" "); + emitLeadingSpace = false; + } + writeComment(text, lineMap, writer, comment, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else if (trailingSeparator) { + writer.write(" "); + } + else { + emitLeadingSpace = true; + } + }); + } + ts.emitComments = emitComments; + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } + } + else { + leadingComments = ts.getLeadingCommentRanges(text, node.pos); + } + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } + } + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 && + text.charCodeAt(comment.pos + 2) === 33; + } + } + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, comment, newLine) { + if (text.charCodeAt(comment.pos + 1) === 42) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== comment.pos) { + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); + } + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + writer.rawWrite(indentSizeSpaceString); + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + writer.rawWrite(""); + } + } + writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } + } + else { + writer.write(text.substring(comment.pos, comment.end)); + } + } + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { + var end = Math.min(comment.end, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + writer.write(currentLineText); + if (end !== comment.end) { + writer.writeLine(); + } + } + else { + writer.writeLiteral(newLine); + } + } + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9) { + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + currentLineIndent++; + } + } + return currentLineIndent; + } + function modifierToFlag(token) { + switch (token) { + case 113: return 64; + case 112: return 8; + case 111: return 32; + case 110: return 16; + case 115: return 128; + case 82: return 2; + case 122: return 4; + case 74: return 16384; + case 77: return 512; + case 118: return 256; + } + return 0; + } + ts.modifierToFlag = modifierToFlag; + function isLeftHandSideExpression(expr) { + if (expr) { + switch (expr.kind) { + case 169: + case 170: + case 172: + case 171: + case 236: + case 237: + case 173: + case 167: + case 175: + case 168: + case 189: + case 176: + case 69: + case 10: + case 8: + case 9: + case 11: + case 186: + case 84: + case 93: + case 97: + case 99: + case 95: + return true; + } + } + return false; + } + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isAssignmentOperator(token) { + return token >= 56 && token <= 68; + } + ts.isAssignmentOperator = isAssignmentOperator; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return node.kind === 191 && + node.parent.token === 83 && + isClassLike(node.parent.parent); + } + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 69) { + return true; + } + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; + } + } + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 136 && node.parent.right === node) || + (node.parent.kind === 169 && node.parent.name === node); + } + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 168) { + return expression.properties.length === 0; + } + if (kind === 167) { + return expression.elements.length === 0; + } + return false; + } + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512) ? symbol.valueDeclaration.localSymbol : undefined; + } + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function hasJavaScriptFileExtension(fileName) { + return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } + } + return output; + } + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + function stringifyFallback(value) { + return value === undefined ? undefined : stringifyValue(value); + } + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; + } + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; + } + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + } + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); + } + function stringifyObject(value) { + return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; + } + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + } + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; + } + return result; + } + ts.convertToBase64 = convertToBase64; + function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { + return !ts.isRootedDiskPath(absoluteOrRelativePath) + ? absoluteOrRelativePath + : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, false); + } + ts.convertToRelativePath = convertToRelativePath; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0) { + return carriageReturnLineFeed; + } + else if (options.newLine === 1) { + return lineFeed; + } + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; + } + ts.getNewLineCharacter = getNewLineCharacter; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDefaultLibFileName(options) { + return options.target === 2 ? "lib.es6.d.ts" : "lib.d.ts"; + } + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; + } + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; + } + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); + } + ts.textSpanContainsPosition = textSpanContainsPosition; + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); + } + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; + } + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; + } + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + } + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; + } + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; + } + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; + } + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); + } + return undefined; + } + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); + } + if (length < 0) { + throw new Error("length < 0"); + } + return { start: start, length: length }; + } + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); + } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); + } + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); + } + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; + } + if (changes.length === 1) { + return changes[0]; + } + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), newEndN - oldStartN); + } + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 138) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218) { + return current; + } + } + } + } + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return node.flags & 56 && node.parent.kind === 145 && ts.isClassLike(node.parent.parent); + } + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.parseTime = 0; + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 251) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); + } + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + } + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); + } + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); + } + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } + } + } + } + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; + } + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 136: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 138: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 249: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 139: + case 142: + case 141: + case 248: + case 214: + case 166: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 153: + case 154: + case 148: + case 149: + case 150: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 144: + case 143: + case 145: + case 146: + case 147: + case 176: + case 216: + case 177: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 152: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 151: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 155: + return visitNode(cbNode, node.exprName); + case 156: + return visitNodes(cbNodes, node.members); + case 157: + return visitNode(cbNode, node.elementType); + case 158: + return visitNodes(cbNodes, node.elementTypes); + case 159: + case 160: + return visitNodes(cbNodes, node.types); + case 161: + return visitNode(cbNode, node.type); + case 164: + case 165: + return visitNodes(cbNodes, node.elements); + case 167: + return visitNodes(cbNodes, node.elements); + case 168: + return visitNodes(cbNodes, node.properties); + case 169: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.dotToken) || + visitNode(cbNode, node.name); + case 170: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 171: + case 172: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 173: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 174: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 175: + return visitNode(cbNode, node.expression); + case 178: + return visitNode(cbNode, node.expression); + case 179: + return visitNode(cbNode, node.expression); + case 180: + return visitNode(cbNode, node.expression); + case 182: + return visitNode(cbNode, node.operand); + case 187: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 181: + return visitNode(cbNode, node.expression); + case 183: + return visitNode(cbNode, node.operand); + case 184: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 192: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 185: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 188: + return visitNode(cbNode, node.expression); + case 195: + case 222: + return visitNodes(cbNodes, node.statements); + case 251: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 196: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 215: + return visitNodes(cbNodes, node.declarations); + case 198: + return visitNode(cbNode, node.expression); + case 199: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 200: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 201: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 202: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 203: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 204: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 205: + case 206: + return visitNode(cbNode, node.label); + case 207: + return visitNode(cbNode, node.expression); + case 208: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 223: + return visitNodes(cbNodes, node.clauses); + case 244: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 245: + return visitNodes(cbNodes, node.statements); + case 210: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 211: + return visitNode(cbNode, node.expression); + case 212: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 247: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 140: + return visitNode(cbNode, node.expression); + case 217: + case 189: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 218: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 219: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 220: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 250: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 221: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 224: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 225: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 226: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 227: + return visitNode(cbNode, node.name); + case 228: + case 232: + return visitNodes(cbNodes, node.elements); + case 231: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 229: + case 233: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 230: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 186: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 193: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 137: + return visitNode(cbNode, node.expression); + case 246: + return visitNodes(cbNodes, node.types); + case 191: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 235: + return visitNode(cbNode, node.expression); + case 234: + return visitNodes(cbNodes, node.decorators); + case 236: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 237: + case 238: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 241: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 242: + return visitNode(cbNode, node.expression); + case 243: + return visitNode(cbNode, node.expression); + case 240: + return visitNode(cbNode, node.tagName); + case 252: + return visitNode(cbNode, node.type); + case 256: + return visitNodes(cbNodes, node.types); + case 257: + return visitNodes(cbNodes, node.types); + case 255: + return visitNode(cbNode, node.elementType); + case 259: + return visitNode(cbNode, node.type); + case 258: + return visitNode(cbNode, node.type); + case 260: + return visitNodes(cbNodes, node.members); + case 262: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 263: + return visitNode(cbNode, node.type); + case 264: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 265: + return visitNode(cbNode, node.type); + case 266: + return visitNode(cbNode, node.type); + case 267: + return visitNode(cbNode, node.type); + case 261: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 268: + return visitNodes(cbNodes, node.tags); + case 270: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 271: + return visitNode(cbNode, node.typeExpression); + case 272: + return visitNode(cbNode, node.typeExpression); + case 273: + return visitNodes(cbNodes, node.typeParameters); + } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { + if (setParentNodes === void 0) { setParentNodes = false; } + var start = new Date().getTime(); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, undefined, setParentNodes); + ts.parseTime += new Date().getTime() - start; + return result; + } + ts.createSourceFile = createSourceFile; + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + function parseIsolatedJSDocComment(content, start, length) { + return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + var Parser; + (function (Parser) { + var scanner = ts.createScanner(2, true); + var disallowInAndDecoratorContext = 1 | 4; + var NodeConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var token; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + var contextFlags; + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { + var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; + initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); + clearState(); + return result; + } + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(fileName) { + return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 : 0; + } + function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = {}; + identifierCount = 0; + nodeCount = 0; + contextFlags = isJavaScriptFile ? 32 : 0; + parseErrorBeforeNextFinishedNode = false; + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(fileName)); + } + function clearState() { + scanner.setText(""); + scanner.setOnError(undefined); + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; + } + function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { + sourceFile = createSourceFile(fileName, languageVersion); + if (contextFlags & 32) { + sourceFile.parserContextFlags = 32; + } + token = nextToken(); + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0, parseStatement); + ts.Debug.assert(token === 1); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + if (contextFlags & 32) { + var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); + if (comments) { + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (jsDocComment) { + node.jsDocComment = jsDocComment; + } + } + } + } + return node; + } + function fixupParentReferences(sourceFile) { + var parent = sourceFile; + forEachChild(sourceFile, visitNode); + return; + function visitNode(n) { + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + parent = saveParent; + } + } + } + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion) { + var sourceFile = new SourceFileConstructor(251, 0, sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 : 0; + sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); + return sourceFile; + } + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; + } + else { + contextFlags &= ~flag; + } + } + function setDisallowInContext(val) { + setContextFlag(val, 1); + } + function setYieldContext(val) { + setContextFlag(val, 2); + } + function setDecoratorContext(val) { + setContextFlag(val, 4); + } + function setAwaitContext(val) { + setContextFlag(val, 8); + } + function doOutsideOfContext(context, func) { + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + setContextFlag(false, contextFlagsToClear); + var result = func(); + setContextFlag(true, contextFlagsToClear); + return result; + } + return func(); + } + function doInsideOfContext(context, func) { + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + setContextFlag(true, contextFlagsToSet); + var result = func(); + setContextFlag(false, contextFlagsToSet); + return result; + } + return func(); + } + function allowInAnd(func) { + return doOutsideOfContext(1, func); + } + function disallowInAnd(func) { + return doInsideOfContext(1, func); + } + function doInYieldContext(func) { + return doInsideOfContext(2, func); + } + function doInDecoratorContext(func) { + return doInsideOfContext(4, func); + } + function doInAwaitContext(func) { + return doInsideOfContext(8, func); + } + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(8, func); + } + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(2 | 8, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(2); + } + function inDisallowInContext() { + return inContext(1); + } + function inDecoratorContext() { + return inContext(4); + } + function inAwaitContext() { + return inContext(8); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); + } + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); + } + function nextToken() { + return token = scanner.scan(); + } + function reScanGreaterToken() { + return token = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return token = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return token = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return token = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return token = scanner.scanJsxToken(); + } + function speculationHelper(callback, isLookAhead) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var saveContextFlags = contextFlags; + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + if (!result || isLookAhead) { + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + } + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, true); + } + function tryParse(callback) { + return speculationHelper(callback, false); + } + function isIdentifier() { + if (token === 69) { + return true; + } + if (token === 114 && inYieldContext()) { + return false; + } + if (token === 119 && inAwaitContext()) { + return false; + } + return token > 105; + } + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token === kind) { + if (shouldAdvance) { + nextToken(); + } + return true; + } + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); + } + return false; + } + function parseOptional(t) { + if (token === t) { + nextToken(); + return true; + } + return false; + } + function parseOptionalToken(t) { + if (token === t) { + return parseTokenNode(); + } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + if (token === 23) { + return true; + } + return token === 16 || token === 1 || scanner.hasPrecedingLineBreak(); + } + function parseSemicolon() { + if (canParseSemicolon()) { + if (token === 23) { + nextToken(); + } + return true; + } + else { + return parseExpected(23); + } + } + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); + } + return new NodeConstructor(kind, pos, pos); + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.parserContextFlags = contextFlags; + } + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.parserContextFlags |= 16; + } + return node; + } + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); + } + else { + parseErrorAtCurrentToken(diagnosticMessage, arg0); + } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); + } + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); + } + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(69); + if (token !== 69) { + node.originalKeywordKind = token; + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); + } + return createMissingNode(69, false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token) || + token === 9 || + token === 8; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token === 9 || token === 8) { + return parseLiteralNode(true); + } + if (allowComputedPropertyNames && token === 19) { + return parseComputedPropertyName(); + } + return parseIdentifierName(); + } + function parsePropertyName() { + return parsePropertyNameWorker(true); + } + function parseSimplePropertyName() { + return parsePropertyNameWorker(false); + } + function isSimplePropertyName() { + return token === 9 || token === 8 || ts.tokenIsIdentifierOrKeyword(token); + } + function parseComputedPropertyName() { + var node = createNode(137); + parseExpected(19); + node.expression = allowInAnd(parseExpression); + parseExpected(20); + return finishNode(node); + } + function parseContextualModifier(t) { + return token === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token === 74) { + return nextToken() === 81; + } + if (token === 82) { + nextToken(); + if (token === 77) { + return lookAhead(nextTokenIsClassOrFunction); + } + return token !== 37 && token !== 15 && canFollowModifier(); + } + if (token === 77) { + return nextTokenIsClassOrFunction(); + } + if (token === 113) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); + } + function parseAnyContextualModifier() { + return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); + } + function canFollowModifier() { + return token === 19 + || token === 15 + || token === 37 + || isLiteralPropertyName(); + } + function nextTokenIsClassOrFunction() { + nextToken(); + return token === 73 || token === 87; + } + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0: + case 1: + case 3: + return !(token === 23 && inErrorRecovery) && isStartOfStatement(); + case 2: + return token === 71 || token === 77; + case 4: + return isStartOfTypeMember(); + case 5: + return lookAhead(isClassMemberStart) || (token === 23 && !inErrorRecovery); + case 6: + return token === 19 || isLiteralPropertyName(); + case 12: + return token === 19 || token === 37 || isLiteralPropertyName(); + case 9: + return token === 19 || isLiteralPropertyName(); + case 7: + if (token === 15) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + else { + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8: + return isIdentifierOrPattern(); + case 10: + return token === 24 || token === 22 || isIdentifierOrPattern(); + case 17: + return isIdentifier(); + case 11: + case 15: + return token === 24 || token === 22 || isStartOfExpression(); + case 16: + return isStartOfParameter(); + case 18: + case 19: + return token === 24 || isStartOfType(); + case 20: + return isHeritageClause(); + case 21: + return ts.tokenIsIdentifierOrKeyword(token); + case 13: + return ts.tokenIsIdentifierOrKeyword(token) || token === 15; + case 14: + return true; + case 22: + case 23: + case 25: + return JSDocParser.isJSDocType(); + case 24: + return isSimplePropertyName(); + } + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); + } + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token === 15); + if (nextToken() === 16) { + var next = nextToken(); + return next === 24 || next === 15 || next === 83 || next === 106; + } + return true; + } + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); + } + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token); + } + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token === 106 || + token === 83) { + return lookAhead(nextTokenIsStartOfExpression); + } + return false; + } + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + function isListTerminator(kind) { + if (token === 1) { + return true; + } + switch (kind) { + case 1: + case 2: + case 4: + case 5: + case 6: + case 12: + case 9: + case 21: + return token === 16; + case 3: + return token === 16 || token === 71 || token === 77; + case 7: + return token === 15 || token === 83 || token === 106; + case 8: + return isVariableDeclaratorListTerminator(); + case 17: + return token === 27 || token === 17 || token === 15 || token === 83 || token === 106; + case 11: + return token === 18 || token === 23; + case 15: + case 19: + case 10: + return token === 20; + case 16: + return token === 18 || token === 20; + case 18: + return token === 27 || token === 17; + case 20: + return token === 15 || token === 16; + case 13: + return token === 27 || token === 39; + case 14: + return token === 25 && lookAhead(nextTokenIsSlash); + case 22: + return token === 18 || token === 54 || token === 16; + case 23: + return token === 27 || token === 16; + case 25: + return token === 20 || token === 16; + case 24: + return token === 16; + } + } + function isVariableDeclaratorListTerminator() { + if (canParseSemicolon()) { + return true; + } + if (isInOrOfKeyword(token)) { + return true; + } + if (token === 34) { + return true; + } + return false; + } + function isInSomeParsingContext() { + for (var kind = 0; kind < 26; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, true) || isListTerminator(kind)) { + return true; + } + } + } + return false; + } + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + while (!isListTerminator(kind)) { + if (isListElement(kind, false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); + } + return parseElement(); + } + function currentNode(parsingContext) { + if (parseErrorBeforeNextFinishedNode) { + return undefined; + } + if (!syntaxCursor) { + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + if (ts.nodeIsMissing(node)) { + return undefined; + } + if (node.intersectsChange) { + return undefined; + } + if (ts.containsParseError(node)) { + return undefined; + } + var nodeContextFlags = node.parserContextFlags & 31; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; + } + function consumeNode(node) { + scanner.setTextPos(node.end); + nextToken(); + return node; + } + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5: + return isReusableClassMember(node); + case 2: + return isReusableSwitchClause(node); + case 0: + case 1: + case 3: + return isReusableStatement(node); + case 6: + return isReusableEnumMember(node); + case 4: + return isReusableTypeMember(node); + case 8: + return isReusableVariableDeclaration(node); + case 16: + return isReusableParameter(node); + case 20: + case 17: + case 19: + case 18: + case 11: + case 12: + case 7: + case 13: + case 14: + } + return false; + } + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 145: + case 150: + case 146: + case 147: + case 142: + case 194: + return true; + case 144: + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 69 && + methodDeclaration.name.originalKeywordKind === 121; + return !nameIsConstructor; + } + } + return false; + } + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 244: + case 245: + return true; + } + } + return false; + } + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 216: + case 196: + case 195: + case 199: + case 198: + case 211: + case 207: + case 209: + case 206: + case 205: + case 203: + case 204: + case 202: + case 201: + case 208: + case 197: + case 212: + case 210: + case 200: + case 213: + case 225: + case 224: + case 231: + case 230: + case 221: + case 217: + case 218: + case 220: + case 219: + return true; + } + } + return false; + } + function isReusableEnumMember(node) { + return node.kind === 250; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 149: + case 143: + case 150: + case 141: + case 148: + return true; + } + } + return false; + } + function isReusableVariableDeclaration(node) { + if (node.kind !== 214) { + return false; + } + var variableDeclarator = node; + return variableDeclarator.initializer === undefined; + } + function isReusableParameter(node) { + if (node.kind !== 139) { + return false; + } + var parameter = node; + return parameter.initializer === undefined; + } + function abortParsingListOrMoveToNextToken(kind) { + parseErrorAtCurrentToken(parsingContextErrors(kind)); + if (isInSomeParsingContext()) { + return true; + } + nextToken(); + return false; + } + function parsingContextErrors(context) { + switch (context) { + case 0: return ts.Diagnostics.Declaration_or_statement_expected; + case 1: return ts.Diagnostics.Declaration_or_statement_expected; + case 2: return ts.Diagnostics.case_or_default_expected; + case 3: return ts.Diagnostics.Statement_expected; + case 4: return ts.Diagnostics.Property_or_signature_expected; + case 5: return ts.Diagnostics.Unexpected_token_A_constructor_method_accessor_or_property_was_expected; + case 6: return ts.Diagnostics.Enum_member_expected; + case 7: return ts.Diagnostics.Expression_expected; + case 8: return ts.Diagnostics.Variable_declaration_expected; + case 9: return ts.Diagnostics.Property_destructuring_pattern_expected; + case 10: return ts.Diagnostics.Array_element_destructuring_pattern_expected; + case 11: return ts.Diagnostics.Argument_expression_expected; + case 12: return ts.Diagnostics.Property_assignment_expected; + case 15: return ts.Diagnostics.Expression_or_comma_expected; + case 16: return ts.Diagnostics.Parameter_declaration_expected; + case 17: return ts.Diagnostics.Type_parameter_declaration_expected; + case 18: return ts.Diagnostics.Type_argument_expected; + case 19: return ts.Diagnostics.Type_expected; + case 20: return ts.Diagnostics.Unexpected_token_expected; + case 21: return ts.Diagnostics.Identifier_expected; + case 13: return ts.Diagnostics.Identifier_expected; + case 14: return ts.Diagnostics.Identifier_expected; + case 22: return ts.Diagnostics.Parameter_declaration_expected; + case 23: return ts.Diagnostics.Type_argument_expected; + case 25: return ts.Diagnostics.Type_expected; + case 24: return ts.Diagnostics.Property_assignment_expected; + } + } + ; + function parseDelimitedList(kind, parseElement, considerSemicolonAsDelimeter) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + var commaStart = -1; + while (true) { + if (isListElement(kind, false)) { + result.push(parseListElement(kind, parseElement)); + commaStart = scanner.getTokenPos(); + if (parseOptional(24)) { + continue; + } + commaStart = -1; + if (isListTerminator(kind)) { + break; + } + parseExpected(24); + if (considerSemicolonAsDelimeter && token === 23 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + } + continue; + } + if (isListTerminator(kind)) { + break; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + if (commaStart >= 0) { + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function createMissingList() { + var pos = getNodePos(); + var result = []; + result.pos = pos; + result.end = pos; + return result; + } + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; + } + return createMissingList(); + } + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(21)) { + var node = createNode(136, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); + } + return entity; + } + function parseRightSideOfDot(allowIdentifierNames) { + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + return createMissingNode(69, true, ts.Diagnostics.Identifier_expected); + } + } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); + } + function parseTemplateExpression() { + var template = createNode(186); + template.head = parseTemplateLiteralFragment(); + ts.Debug.assert(template.head.kind === 12, "Template head has wrong token kind"); + var templateSpans = []; + templateSpans.pos = getNodePos(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 13); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(193); + span.expression = allowInAnd(parseExpression); + var literal; + if (token === 16) { + reScanTemplateToken(); + literal = parseTemplateLiteralFragment(); + } + else { + literal = parseExpectedToken(14, false, ts.Diagnostics._0_expected, ts.tokenToString(16)); + } + span.literal = literal; + return finishNode(span); + } + function parseStringLiteralTypeNode() { + return parseLiteralLikeNode(163, true); + } + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token, internName); + } + function parseTemplateLiteralFragment() { + return parseLiteralLikeNode(token, false); + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; + } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + if (node.kind === 8 + && sourceText.charCodeAt(tokenPos) === 48 + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.flags |= 32768; + } + return node; + } + function parseTypeReference() { + var typeName = parseEntityName(false, ts.Diagnostics.Type_expected); + var node = createNode(152, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token === 25) { + node.typeArguments = parseBracketedList(18, parseType, 25, 27); + } + return finishNode(node); + } + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(151, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(162); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(155); + parseExpected(101); + node.exprName = parseEntityName(true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(138); + node.name = parseIdentifier(); + if (parseOptional(83)) { + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); + } + else { + node.expression = parseUnaryExpressionOrHigher(); + } + } + return finishNode(node); + } + function parseTypeParameters() { + if (token === 25) { + return parseBracketedList(17, parseTypeParameter, 25, 27); + } + } + function parseParameterType() { + if (parseOptional(54)) { + return parseType(); + } + return undefined; + } + function isStartOfParameter() { + return token === 22 || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55; + } + function setModifiers(node, modifiers) { + if (modifiers) { + node.flags |= modifiers.flags; + node.modifiers = modifiers; + } + } + function parseParameter() { + var node = createNode(139); + node.decorators = parseDecorators(); + setModifiers(node, parseModifiers()); + node.dotDotDotToken = parseOptionalToken(22); + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { + nextToken(); + } + node.questionToken = parseOptionalToken(53); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(true); + return addJSDocComment(finishNode(node)); + } + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + } + function parseParameterInitializer() { + return parseInitializer(true); + } + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 34; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); + } + } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + if (parseExpected(17)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(18) && requireCompleteParameterList) { + return undefined; + } + return result; + } + return requireCompleteParameterList ? undefined : createMissingList(); + } + function parseTypeMemberSemicolon() { + if (parseOptional(24)) { + return; + } + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 149) { + parseExpected(92); + } + fillSignature(54, false, false, false, node); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function isIndexSignature() { + if (token !== 19) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + nextToken(); + if (token === 22 || token === 20) { + return true; + } + if (ts.isModifierKind(token)) { + nextToken(); + if (isIdentifier()) { + return true; + } + } + else if (!isIdentifier()) { + return false; + } + else { + nextToken(); + } + if (token === 54 || token === 24) { + return true; + } + if (token !== 53) { + return false; + } + nextToken(); + return token === 54 || token === 24 || token === 20; + } + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(150, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.parameters = parseBracketedList(16, parseParameter, 19, 20); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function parsePropertyOrMethodSignature() { + var fullStart = scanner.getStartPos(); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (token === 17 || token === 25) { + var method = createNode(143, fullStart); + method.name = name; + method.questionToken = questionToken; + fillSignature(54, false, false, false, method); + parseTypeMemberSemicolon(); + return finishNode(method); + } + else { + var property = createNode(141, fullStart); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token === 56) { + property.initializer = parseNonParameterInitializer(); + } + parseTypeMemberSemicolon(); + return finishNode(property); + } + } + function isStartOfTypeMember() { + switch (token) { + case 17: + case 25: + case 19: + return true; + default: + if (ts.isModifierKind(token)) { + var result = lookAhead(isStartOfIndexSignatureDeclaration); + if (result) { + return result; + } + } + return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); + } + } + function isStartOfIndexSignatureDeclaration() { + while (ts.isModifierKind(token)) { + nextToken(); + } + return isIndexSignature(); + } + function isTypeMemberWithLiteralPropertyName() { + nextToken(); + return token === 17 || + token === 25 || + token === 53 || + token === 54 || + canParseSemicolon(); + } + function parseTypeMember() { + switch (token) { + case 17: + case 25: + return parseSignatureMember(148); + case 19: + return isIndexSignature() + ? parseIndexSignatureDeclaration(scanner.getStartPos(), undefined, undefined) + : parsePropertyOrMethodSignature(); + case 92: + if (lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(149); + } + case 9: + case 8: + return parsePropertyOrMethodSignature(); + default: + if (ts.isModifierKind(token)) { + var result = tryParse(parseIndexSignatureWithModifiers); + if (result) { + return result; + } + } + if (ts.tokenIsIdentifierOrKeyword(token)) { + return parsePropertyOrMethodSignature(); + } + } + } + function parseIndexSignatureWithModifiers() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + return isIndexSignature() + ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) + : undefined; + } + function isStartOfConstructSignature() { + nextToken(); + return token === 17 || token === 25; + } + function parseTypeLiteral() { + var node = createNode(156); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseObjectTypeMembers() { + var members; + if (parseExpected(15)) { + members = parseList(4, parseTypeMember); + parseExpected(16); + } + else { + members = createMissingList(); + } + return members; + } + function parseTupleType() { + var node = createNode(158); + node.elementTypes = parseBracketedList(19, parseType, 19, 20); + return finishNode(node); + } + function parseParenthesizedType() { + var node = createNode(161); + parseExpected(17); + node.type = parseType(); + parseExpected(18); + return finishNode(node); + } + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 154) { + parseExpected(92); + } + fillSignature(34, false, false, false, node); + return finishNode(node); + } + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token === 21 ? undefined : node; + } + function parseNonArrayType() { + switch (token) { + case 117: + case 130: + case 128: + case 120: + case 131: + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9: + return parseStringLiteralTypeNode(); + case 103: + return parseTokenNode(); + case 97: { + var thisKeyword = parseThisTypeNode(); + if (token === 124 && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } + } + case 101: + return parseTypeQuery(); + case 15: + return parseTypeLiteral(); + case 19: + return parseTupleType(); + case 17: + return parseParenthesizedType(); + default: + return parseTypeReference(); + } + } + function isStartOfType() { + switch (token) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 97: + case 101: + case 15: + case 19: + case 25: + case 92: + case 9: + return true; + case 17: + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); + } + } + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token === 18 || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(19)) { + parseExpected(20); + var node = createNode(157, type.pos); + node.elementType = type; + type = finishNode(node); + } + return type; + } + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token === operator) { + var types = [type]; + types.pos = type.pos; + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); + } + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(160, parseArrayTypeOrHigher, 46); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(159, parseIntersectionTypeOrHigher, 47); + } + function isStartOfFunctionType() { + if (token === 25) { + return true; + } + return token === 17 && lookAhead(isUnambiguouslyStartOfFunctionType); + } + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token === 18 || token === 22) { + return true; + } + if (isIdentifier() || ts.isModifierKind(token)) { + nextToken(); + if (token === 54 || token === 24 || + token === 53 || token === 56 || + isIdentifier() || ts.isModifierKind(token)) { + return true; + } + if (token === 18) { + nextToken(); + if (token === 34) { + return true; + } + } + } + return false; + } + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(151, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; + } + } + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token === 124 && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } + } + function parseType() { + return doOutsideOfContext(10, parseTypeWorker); + } + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(153); + } + if (token === 92) { + return parseFunctionOrConstructorType(154); + } + return parseUnionTypeOrHigher(); + } + function parseTypeAnnotation() { + return parseOptional(54) ? parseType() : undefined; + } + function isStartOfLeftHandSideExpression() { + switch (token) { + case 97: + case 95: + case 93: + case 99: + case 84: + case 8: + case 9: + case 11: + case 12: + case 17: + case 19: + case 15: + case 87: + case 73: + case 92: + case 39: + case 61: + case 69: + return true; + default: + return isIdentifier(); + } + } + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; + } + switch (token) { + case 35: + case 36: + case 50: + case 49: + case 78: + case 101: + case 103: + case 41: + case 42: + case 25: + case 119: + case 114: + return true; + default: + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); + } + } + function isStartOfExpressionStatement() { + return token !== 15 && + token !== 87 && + token !== 73 && + token !== 55 && + isStartOfExpression(); + } + function parseExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(24))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); + } + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return expr; + } + function parseInitializer(inParameter) { + if (token !== 56) { + if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15) || !isStartOfExpression()) { + return undefined; + } + } + parseExpected(56); + return parseAssignmentExpressionOrHigher(); + } + function parseAssignmentExpressionOrHigher() { + if (isYieldExpression()) { + return parseYieldExpression(); + } + var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; + } + var expr = parseBinaryExpressionOrHigher(0); + if (expr.kind === 69 && token === 34) { + return parseSimpleArrowFunctionExpression(expr); + } + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); + } + return parseConditionalExpressionRest(expr); + } + function isYieldExpression() { + if (token === 114) { + if (inYieldContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); + } + return false; + } + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); + } + function parseYieldExpression() { + var node = createNode(187); + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token === 37 || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(37); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + return finishNode(node); + } + } + function parseSimpleArrowFunctionExpression(identifier) { + ts.Debug.assert(token === 34, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node = createNode(177, identifier.pos); + var parameter = createNode(139, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = [parameter]; + node.parameters.pos = parameter.pos; + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(false); + return finishNode(node); + } + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0) { + return undefined; + } + var arrowFunction = triState === 1 + ? parseParenthesizedArrowFunctionExpressionHead(true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + return undefined; + } + var isAsync = !!(arrowFunction.flags & 256); + var lastToken = token; + arrowFunction.equalsGreaterThanToken = parseExpectedToken(34, false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 34 || lastToken === 15) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return finishNode(arrowFunction); + } + function isParenthesizedArrowFunctionExpression() { + if (token === 17 || token === 25 || token === 118) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token === 34) { + return 1; + } + return 0; + } + function isParenthesizedArrowFunctionExpressionWorker() { + if (token === 118) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0; + } + if (token !== 17 && token !== 25) { + return 0; + } + } + var first = token; + var second = nextToken(); + if (first === 17) { + if (second === 18) { + var third = nextToken(); + switch (third) { + case 34: + case 54: + case 15: + return 1; + default: + return 0; + } + } + if (second === 19 || second === 15) { + return 2; + } + if (second === 22) { + return 1; + } + if (!isIdentifier()) { + return 0; + } + if (nextToken() === 54) { + return 1; + } + return 2; + } + else { + ts.Debug.assert(first === 25); + if (!isIdentifier()) { + return 0; + } + if (sourceFile.languageVariant === 1) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 83) { + var fourth = nextToken(); + switch (fourth) { + case 56: + case 27: + return false; + default: + return true; + } + } + else if (third === 24) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1; + } + return 0; + } + return 2; + } + } + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(false); + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(177); + setModifiers(node, parseModifiersForArrowFunction()); + var isAsync = !!(node.flags & 256); + fillSignature(54, false, isAsync, !allowAmbiguity, node); + if (!node.parameters) { + return undefined; + } + if (!allowAmbiguity && token !== 34 && token !== 15) { + return undefined; + } + return node; + } + function parseArrowFunctionExpressionBody(isAsync) { + if (token === 15) { + return parseFunctionBlock(false, isAsync, false); + } + if (token !== 23 && + token !== 87 && + token !== 73 && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + return parseFunctionBlock(false, isAsync, true); + } + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); + } + function parseConditionalExpressionRest(leftOperand) { + var questionToken = parseOptionalToken(53); + if (!questionToken) { + return leftOperand; + } + var node = createNode(185, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(54, false, ts.Diagnostics._0_expected, ts.tokenToString(54)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); + } + function isInOrOfKeyword(t) { + return t === 90 || t === 135; + } + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + var consumeCurrentOperator = token === 38 ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token === 90 && inDisallowInContext()) { + break; + } + if (token === 116) { + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); + } + } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } + } + return leftOperand; + } + function isBinaryOperator() { + if (inDisallowInContext() && token === 90) { + return false; + } + return getBinaryOperatorPrecedence() > 0; + } + function getBinaryOperatorPrecedence() { + switch (token) { + case 52: + return 1; + case 51: + return 2; + case 47: + return 3; + case 48: + return 4; + case 46: + return 5; + case 30: + case 31: + case 32: + case 33: + return 6; + case 25: + case 27: + case 28: + case 29: + case 91: + case 90: + case 116: + return 7; + case 43: + case 44: + case 45: + return 8; + case 35: + case 36: + return 9; + case 37: + case 39: + case 40: + return 10; + case 38: + return 11; + } + return -1; + } + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(184, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); + } + function makeAsExpression(left, right) { + var node = createNode(192, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); + } + function parsePrefixUnaryExpression() { + var node = createNode(182); + node.operator = token; + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseDeleteExpression() { + var node = createNode(178); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseTypeOfExpression() { + var node = createNode(179); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseVoidExpression() { + var node = createNode(180); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function isAwaitExpression() { + if (token === 119) { + if (inAwaitContext()) { + return true; + } + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; + } + function parseAwaitExpression() { + var node = createNode(181); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseUnaryExpressionOrHigher() { + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + if (isIncrementExpression()) { + var incrementExpression = parseIncrementExpression(); + return token === 38 ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token; + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token === 38) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 174) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; + } + function parseSimpleUnaryExpression() { + switch (token) { + case 35: + case 36: + case 50: + case 49: + return parsePrefixUnaryExpression(); + case 78: + return parseDeleteExpression(); + case 101: + return parseTypeOfExpression(); + case 103: + return parseVoidExpression(); + case 25: + return parseTypeAssertion(); + default: + return parseIncrementExpression(); + } + } + function isIncrementExpression() { + switch (token) { + case 35: + case 36: + case 50: + case 49: + case 78: + case 101: + case 103: + return false; + case 25: + if (sourceFile.languageVariant !== 1) { + return false; + } + default: + return true; + } + } + function parseIncrementExpression() { + if (token === 41 || token === 42) { + var node = createNode(182); + node.operator = token; + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); + } + else if (sourceFile.languageVariant === 1 && token === 25 && lookAhead(nextTokenIsIdentifierOrKeyword)) { + return parseJsxElementOrSelfClosingElement(true); + } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token === 41 || token === 42) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(183, expression.pos); + node.operand = expression; + node.operator = token; + nextToken(); + return finishNode(node); + } + return expression; + } + function parseLeftHandSideExpressionOrHigher() { + var expression = token === 95 + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + return parseCallExpressionRest(expression); + } + function parseMemberExpressionOrHigher() { + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); + } + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token === 17 || token === 21 || token === 19) { + return expression; + } + var node = createNode(169, expression.pos); + node.expression = expression; + node.dotToken = parseExpectedToken(21, false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(true); + return finishNode(node); + } + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 69) { + return lhs.text === rhs.text; + } + return lhs.right.text === rhs.right.text && + tagNamesAreEquivalent(lhs.left, rhs.left); + } + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 238) { + var node = createNode(236, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 237); + result = opening; + } + if (inExpressionContext && token === 25) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(184, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(24, false, undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; + } + function parseJsxText() { + var node = createNode(239, scanner.getStartPos()); + token = scanner.scanJsxToken(); + return finishNode(node); + } + function parseJsxChild() { + switch (token) { + case 239: + return parseJsxText(); + case 15: + return parseJsxExpression(false); + case 25: + return parseJsxElementOrSelfClosingElement(false); + } + ts.Debug.fail("Unknown JSX child kind " + token); + } + function parseJsxChildren(openingTagName) { + var result = []; + result.pos = scanner.getStartPos(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14; + while (true) { + token = scanner.reScanJsxToken(); + if (token === 26) { + break; + } + else if (token === 1) { + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; + } + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(25); + var tagName = parseJsxElementName(); + var attributes = parseList(13, parseJsxAttribute); + var node; + if (token === 27) { + node = createNode(238, fullStart); + scanJsxText(); + } + else { + parseExpected(39); + if (inExpressionContext) { + parseExpected(27); + } + else { + parseExpected(27, undefined, false); + scanJsxText(); + } + node = createNode(237, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); + } + function parseJsxElementName() { + scanJsxIdentifier(); + var elementName = parseIdentifierName(); + while (parseOptional(21)) { + scanJsxIdentifier(); + var node = createNode(136, elementName.pos); + node.left = elementName; + node.right = parseIdentifierName(); + elementName = finishNode(node); + } + return elementName; + } + function parseJsxExpression(inExpressionContext) { + var node = createNode(243); + parseExpected(15); + if (token !== 16) { + node.expression = parseAssignmentExpressionOrHigher(); + } + if (inExpressionContext) { + parseExpected(16); + } + else { + parseExpected(16, undefined, false); + scanJsxText(); + } + return finishNode(node); + } + function parseJsxAttribute() { + if (token === 15) { + return parseJsxSpreadAttribute(); + } + scanJsxIdentifier(); + var node = createNode(241); + node.name = parseIdentifierName(); + if (parseOptional(56)) { + switch (token) { + case 9: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(true); + break; + } + } + return finishNode(node); + } + function parseJsxSpreadAttribute() { + var node = createNode(242); + parseExpected(15); + parseExpected(22); + node.expression = parseExpression(); + parseExpected(16); + return finishNode(node); + } + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(240); + parseExpected(26); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(27); + } + else { + parseExpected(27, undefined, false); + scanJsxText(); + } + return finishNode(node); + } + function parseTypeAssertion() { + var node = createNode(174); + parseExpected(25); + node.type = parseType(); + parseExpected(27); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(21); + if (dotToken) { + var propertyAccess = createNode(169, expression.pos); + propertyAccess.expression = expression; + propertyAccess.dotToken = dotToken; + propertyAccess.name = parseRightSideOfDot(true); + expression = finishNode(propertyAccess); + continue; + } + if (!inDecoratorContext() && parseOptional(19)) { + var indexedAccess = createNode(170, expression.pos); + indexedAccess.expression = expression; + if (token !== 20) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 || indexedAccess.argumentExpression.kind === 8) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(20); + expression = finishNode(indexedAccess); + continue; + } + if (token === 11 || token === 12) { + var tagExpression = createNode(173, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token === 11 + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } + } + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token === 25) { + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(171, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token === 17) { + var callExpr = createNode(171, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } + } + function parseArgumentList() { + parseExpected(17); + var result = parseDelimitedList(11, parseArgumentExpression); + parseExpected(18); + return result; + } + function parseTypeArgumentsInExpression() { + if (!parseOptional(25)) { + return undefined; + } + var typeArguments = parseDelimitedList(18, parseType); + if (!parseExpected(27)) { + return undefined; + } + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; + } + function canFollowTypeArgumentsInExpression() { + switch (token) { + case 17: + case 21: + case 18: + case 20: + case 54: + case 23: + case 53: + case 30: + case 32: + case 31: + case 33: + case 51: + case 52: + case 48: + case 46: + case 47: + case 16: + case 1: + return true; + case 24: + case 15: + default: + return false; + } + } + function parsePrimaryExpression() { + switch (token) { + case 8: + case 9: + case 11: + return parseLiteralNode(); + case 97: + case 95: + case 93: + case 99: + case 84: + return parseTokenNode(); + case 17: + return parseParenthesizedExpression(); + case 19: + return parseArrayLiteralExpression(); + case 15: + return parseObjectLiteralExpression(); + case 118: + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 73: + return parseClassExpression(); + case 87: + return parseFunctionExpression(); + case 92: + return parseNewExpression(); + case 39: + case 61: + if (reScanSlashToken() === 10) { + return parseLiteralNode(); + } + break; + case 12: + return parseTemplateExpression(); + } + return parseIdentifier(ts.Diagnostics.Expression_expected); + } + function parseParenthesizedExpression() { + var node = createNode(175); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + return finishNode(node); + } + function parseSpreadElement() { + var node = createNode(188); + parseExpected(22); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseArgumentOrArrayLiteralElement() { + return token === 22 ? parseSpreadElement() : + token === 24 ? createNode(190) : + parseAssignmentExpressionOrHigher(); + } + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); + } + function parseArrayLiteralExpression() { + var node = createNode(167); + parseExpected(19); + if (scanner.hasPrecedingLineBreak()) + node.flags |= 1024; + node.elements = parseDelimitedList(15, parseArgumentOrArrayLiteralElement); + parseExpected(20); + return finishNode(node); + } + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(123)) { + return parseAccessorDeclaration(146, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(129)) { + return parseAccessorDeclaration(147, fullStart, decorators, modifiers); + } + return undefined; + } + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(37); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (asteriskToken || token === 17 || token === 25) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 || token === 16 || token === 56); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(249, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(56); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); + } + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(248, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(54); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } + } + function parseObjectLiteralExpression() { + var node = createNode(168); + parseExpected(15); + if (scanner.hasPrecedingLineBreak()) { + node.flags |= 1024; + } + node.properties = parseDelimitedList(12, parseObjectLiteralElement, true); + parseExpected(16); + return finishNode(node); + } + function parseFunctionExpression() { + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var node = createNode(176); + setModifiers(node, parseModifiers()); + parseExpected(87); + node.asteriskToken = parseOptionalToken(37); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(54, isGenerator, isAsync, false, node); + node.body = parseFunctionBlock(isGenerator, isAsync, false); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + return addJSDocComment(finishNode(node)); + } + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; + } + function parseNewExpression() { + var node = createNode(172); + parseExpected(92); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token === 17) { + node.arguments = parseArgumentList(); + } + return finishNode(node); + } + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(195); + if (parseExpected(15, diagnosticMessage) || ignoreMissingOpenBrace) { + node.statements = parseList(1, parseStatement); + parseExpected(16); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(false); + } + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; + } + function parseEmptyStatement() { + var node = createNode(197); + parseExpected(23); + return finishNode(node); + } + function parseIfStatement() { + var node = createNode(199); + parseExpected(88); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(80) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(200); + parseExpected(79); + node.statement = parseStatement(); + parseExpected(104); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + parseOptional(23); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(201); + parseExpected(104); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(86); + parseExpected(17); + var initializer = undefined; + if (token !== 23) { + if (token === 102 || token === 108 || token === 74) { + initializer = parseVariableDeclarationList(true); + } + else { + initializer = disallowInAnd(parseExpression); + } + } + var forOrForInOrForOfStatement; + if (parseOptional(90)) { + var forInStatement = createNode(203, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(18); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(135)) { + var forOfStatement = createNode(204, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(18); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(202, pos); + forStatement.initializer = initializer; + parseExpected(23); + if (token !== 23 && token !== 18) { + forStatement.condition = allowInAnd(parseExpression); + } + parseExpected(23); + if (token !== 18) { + forStatement.incrementor = allowInAnd(parseExpression); + } + parseExpected(18); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 206 ? 70 : 75); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(207); + parseExpected(94); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(208); + parseExpected(105); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(244); + parseExpected(71); + node.expression = allowInAnd(parseExpression); + parseExpected(54); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(245); + parseExpected(77); + parseExpected(54); + node.statements = parseList(3, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token === 71 ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(209); + parseExpected(96); + parseExpected(17); + node.expression = allowInAnd(parseExpression); + parseExpected(18); + var caseBlock = createNode(223, scanner.getStartPos()); + parseExpected(15); + caseBlock.clauses = parseList(2, parseCaseOrDefaultClause); + parseExpected(16); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + var node = createNode(211); + parseExpected(98); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + function parseTryStatement() { + var node = createNode(212); + parseExpected(100); + node.tryBlock = parseBlock(false); + node.catchClause = token === 72 ? parseCatchClause() : undefined; + if (!node.catchClause || token === 85) { + parseExpected(85); + node.finallyBlock = parseBlock(false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(247); + parseExpected(72); + if (parseExpected(17)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(18); + result.block = parseBlock(false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(213); + parseExpected(76); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 69 && parseOptional(54)) { + var labeledStatement = createNode(210, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); + } + else { + var expressionStatement = createNode(198, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); + } + } + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token === 87 && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token) || token === 8) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token) { + case 102: + case 108: + case 74: + case 87: + case 73: + case 81: + return true; + case 107: + case 132: + return nextTokenIsIdentifierOnSameLine(); + case 125: + case 126: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 115: + case 118: + case 122: + case 110: + case 111: + case 112: + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 134: + return nextToken() === 15; + case 89: + nextToken(); + return token === 9 || token === 37 || + token === 15 || ts.tokenIsIdentifierOrKeyword(token); + case 82: + nextToken(); + if (token === 56 || token === 37 || + token === 15 || token === 77) { + return true; + } + continue; + case 113: + nextToken(); + continue; + default: + return false; + } + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token) { + case 55: + case 23: + case 15: + case 102: + case 108: + case 87: + case 73: + case 81: + case 88: + case 79: + case 104: + case 86: + case 75: + case 70: + case 94: + case 105: + case 96: + case 98: + case 100: + case 76: + case 72: + case 85: + return true; + case 74: + case 82: + case 89: + return isStartOfDeclaration(); + case 118: + case 122: + case 107: + case 125: + case 126: + case 132: + case 134: + return true; + case 112: + case 110: + case 111: + case 113: + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token === 15 || token === 19; + } + function isLetDeclaration() { + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token) { + case 23: + return parseEmptyStatement(); + case 15: + return parseBlock(false); + case 102: + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + case 108: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), undefined, undefined); + } + break; + case 87: + return parseFunctionDeclaration(scanner.getStartPos(), undefined, undefined); + case 73: + return parseClassDeclaration(scanner.getStartPos(), undefined, undefined); + case 88: + return parseIfStatement(); + case 79: + return parseDoStatement(); + case 104: + return parseWhileStatement(); + case 86: + return parseForOrForInOrForOfStatement(); + case 75: + return parseBreakOrContinueStatement(205); + case 70: + return parseBreakOrContinueStatement(206); + case 94: + return parseReturnStatement(); + case 105: + return parseWithStatement(); + case 96: + return parseSwitchStatement(); + case 98: + return parseThrowStatement(); + case 100: + case 72: + case 85: + return parseTryStatement(); + case 76: + return parseDebuggerStatement(); + case 55: + return parseDeclaration(); + case 118: + case 107: + case 132: + case 125: + case 126: + case 122: + case 74: + case 81: + case 82: + case 89: + case 110: + case 111: + case 112: + case 115: + case 113: + case 134: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token) { + case 102: + case 108: + case 74: + return parseVariableStatement(fullStart, decorators, modifiers); + case 87: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 73: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 107: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 132: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 81: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 134: + case 125: + case 126: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 89: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 82: + nextToken(); + return token === 77 || token === 56 ? + parseExportAssignment(fullStart, decorators, modifiers) : + parseExportDeclaration(fullStart, decorators, modifiers); + default: + if (decorators || modifiers) { + var node = createMissingNode(234, true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + setModifiers(node, modifiers); + return finishNode(node); + } + } + } + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token !== 15 && canParseSemicolon()) { + parseSemicolon(); + return; + } + return parseFunctionBlock(isGenerator, isAsync, false, diagnosticMessage); + } + function parseArrayBindingElement() { + if (token === 24) { + return createNode(190); + } + var node = createNode(166); + node.dotDotDotToken = parseOptionalToken(22); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); + } + function parseObjectBindingElement() { + var node = createNode(166); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token !== 54) { + node.name = propertyName; + } + else { + parseExpected(54); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); + } + node.initializer = parseBindingElementInitializer(false); + return finishNode(node); + } + function parseObjectBindingPattern() { + var node = createNode(164); + parseExpected(15); + node.elements = parseDelimitedList(9, parseObjectBindingElement); + parseExpected(16); + return finishNode(node); + } + function parseArrayBindingPattern() { + var node = createNode(165); + parseExpected(19); + node.elements = parseDelimitedList(10, parseArrayBindingElement); + parseExpected(20); + return finishNode(node); + } + function isIdentifierOrPattern() { + return token === 15 || token === 19 || isIdentifier(); + } + function parseIdentifierOrPattern() { + if (token === 19) { + return parseArrayBindingPattern(); + } + if (token === 15) { + return parseObjectBindingPattern(); + } + return parseIdentifier(); + } + function parseVariableDeclaration() { + var node = createNode(214); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token)) { + node.initializer = parseInitializer(false); + } + return finishNode(node); + } + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(215); + switch (token) { + case 102: + break; + case 108: + node.flags |= 8192; + break; + case 74: + node.flags |= 16384; + break; + default: + ts.Debug.fail(); + } + nextToken(); + if (token === 135 && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); + } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); + } + return finishNode(node); + } + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 18; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(196, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.declarationList = parseVariableDeclarationList(false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(216, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(87); + node.asteriskToken = parseOptionalToken(37); + node.name = node.flags & 512 ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256); + fillSignature(54, isGenerator, isAsync, false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(145, pos); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(121); + fillSignature(54, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(144, fullStart); + method.decorators = decorators; + setModifiers(method, modifiers); + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = !!(method.flags & 256); + fillSignature(54, isGenerator, isAsync, false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(142, fullStart); + property.decorators = decorators; + setModifiers(property, modifiers); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + property.initializer = modifiers && modifiers.flags & 64 + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(2 | 1, parseNonParameterInitializer); + parseSemicolon(); + return finishNode(property); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(37); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53); + if (asteriskToken || token === 17 || token === 25) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); + } + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); + } + } + function parseNonParameterInitializer() { + return parseInitializer(false); + } + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.name = parsePropertyName(); + fillSignature(54, false, false, false, node); + node.body = parseFunctionBlockOrSemicolon(false, false); + return finishNode(node); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 112: + case 110: + case 111: + case 113: + return true; + default: + return false; + } + } + function isClassMemberStart() { + var idToken; + if (token === 55) { + return true; + } + while (ts.isModifierKind(token)) { + idToken = token; + if (isClassMemberModifier(idToken)) { + return true; + } + nextToken(); + } + if (token === 37) { + return true; + } + if (isLiteralPropertyName()) { + idToken = token; + nextToken(); + } + if (token === 19) { + return true; + } + if (idToken !== undefined) { + if (!ts.isKeyword(idToken) || idToken === 129 || idToken === 123) { + return true; + } + switch (token) { + case 17: + case 25: + case 54: + case 56: + case 53: + return true; + default: + return canParseSemicolon(); + } + } + return false; + } + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(55)) { + break; + } + if (!decorators) { + decorators = []; + decorators.pos = decoratorStart; + } + var decorator = createNode(140, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + decorators.push(finishNode(decorator)); + } + if (decorators) { + decorators.end = getNodeEnd(); + } + return decorators; + } + function parseModifiers(permitInvalidConstAsModifier) { + var flags = 0; + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + if (token === 74 && permitInvalidConstAsModifier) { + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } + } + else { + if (!parseAnyContextualModifier()) { + break; + } + } + if (!modifiers) { + modifiers = []; + modifiers.pos = modifierStart; + } + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + } + if (modifiers) { + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseModifiersForArrowFunction() { + var flags = 0; + var modifiers; + if (token === 118) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + nextToken(); + modifiers = []; + modifiers.pos = modifierStart; + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseClassElement() { + if (token === 23) { + var result = createNode(194); + nextToken(); + return finishNode(result); + } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + if (token === 121) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + if (ts.tokenIsIdentifierOrKeyword(token) || + token === 9 || + token === 8 || + token === 37 || + token === 19) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + var name_7 = createMissingNode(69, true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, undefined); + } + ts.Debug.fail("Should not have attempted to parse class member declaration."); + } + function parseClassExpression() { + return parseClassDeclarationOrExpression(scanner.getStartPos(), undefined, undefined, 189); + } + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217); + } + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(73); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(true); + if (parseExpected(15)) { + node.members = parseClassMembers(); + parseExpected(16); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseNameOfClassDeclarationOrExpression() { + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; + } + function isImplementsClause() { + return token === 106 && lookAhead(nextTokenIsIdentifierOrKeyword); + } + function parseHeritageClauses(isClassHeritageClause) { + if (isHeritageClause()) { + return parseList(20, parseHeritageClause); + } + return undefined; + } + function parseHeritageClause() { + if (token === 83 || token === 106) { + var node = createNode(246); + node.token = token; + nextToken(); + node.types = parseDelimitedList(7, parseExpressionWithTypeArguments); + return finishNode(node); + } + return undefined; + } + function parseExpressionWithTypeArguments() { + var node = createNode(191); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token === 25) { + node.typeArguments = parseBracketedList(18, parseType, 25, 27); + } + return finishNode(node); + } + function isHeritageClause() { + return token === 83 || token === 106; + } + function parseClassMembers() { + return parseList(5, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(218, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(107); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(false); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(219, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(132); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(56); + node.type = parseType(); + parseSemicolon(); + return finishNode(node); + } + function parseEnumMember() { + var node = createNode(250, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return finishNode(node); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(220, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(81); + node.name = parseIdentifier(); + if (parseExpected(15)) { + node.members = parseDelimitedList(6, parseEnumMember); + parseExpected(16); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseModuleBlock() { + var node = createNode(222, scanner.getStartPos()); + if (parseExpected(15)) { + node.statements = parseList(1, parseStatement); + parseExpected(16); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(221, fullStart); + var namespaceFlag = flags & 65536; + node.decorators = decorators; + setModifiers(node, modifiers); + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(21) + ? parseModuleOrNamespaceDeclaration(getNodePos(), undefined, undefined, 2 | namespaceFlag) + : parseModuleBlock(); + return finishNode(node); + } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (token === 134) { + node.name = parseIdentifier(); + node.flags |= 2097152; + } + else { + node.name = parseLiteralNode(true); + } + node.body = parseModuleBlock(); + return finishNode(node); + } + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = modifiers ? modifiers.flags : 0; + if (token === 134) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + else if (parseOptional(126)) { + flags |= 65536; + } + else { + parseExpected(125); + if (token === 9) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); + } + function isExternalModuleReference() { + return token === 127 && + lookAhead(nextTokenIsOpenParen); + } + function nextTokenIsOpenParen() { + return nextToken() === 17; + } + function nextTokenIsSlash() { + return nextToken() === 39; + } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(89); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token !== 24 && token !== 133) { + var importEqualsDeclaration = createNode(224, fullStart); + importEqualsDeclaration.decorators = decorators; + setModifiers(importEqualsDeclaration, modifiers); + importEqualsDeclaration.name = identifier; + parseExpected(56); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return finishNode(importEqualsDeclaration); + } + } + var importDeclaration = createNode(225, fullStart); + importDeclaration.decorators = decorators; + setModifiers(importDeclaration, modifiers); + if (identifier || + token === 37 || + token === 15) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(133); + } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); + } + function parseImportClause(identifier, fullStart) { + var importClause = createNode(226, fullStart); + if (identifier) { + importClause.name = identifier; + } + if (!importClause.name || + parseOptional(24)) { + importClause.namedBindings = token === 37 ? parseNamespaceImport() : parseNamedImportsOrExports(228); + } + return finishNode(importClause); + } + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(false); + } + function parseExternalModuleReference() { + var node = createNode(235); + parseExpected(127); + parseExpected(17); + node.expression = parseModuleSpecifier(); + parseExpected(18); + return finishNode(node); + } + function parseModuleSpecifier() { + if (token === 9) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; + } + else { + return parseExpression(); + } + } + function parseNamespaceImport() { + var namespaceImport = createNode(227); + parseExpected(37); + parseExpected(116); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); + } + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + node.elements = parseBracketedList(21, kind === 228 ? parseImportSpecifier : parseExportSpecifier, 15, 16); + return finishNode(node); + } + function parseExportSpecifier() { + return parseImportOrExportSpecifier(233); + } + function parseImportSpecifier() { + return parseImportOrExportSpecifier(229); + } + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token === 116) { + node.propertyName = identifierName; + parseExpected(116); + checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 229 && checkIdentifierIsKeyword) { + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); + } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(231, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(37)) { + parseExpected(133); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(232); + if (token === 133 || (token === 9 && !scanner.hasPrecedingLineBreak())) { + parseExpected(133); + node.moduleSpecifier = parseModuleSpecifier(); + } + } + parseSemicolon(); + return finishNode(node); + } + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(230, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(56)) { + node.isExportEquals = true; + } + else { + parseExpected(77); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); + } + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, false, 0, sourceText); + var referencedFiles = []; + var amdDependencies = []; + var amdModuleName; + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; + } + } + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + referencedFiles.push(fileReference); + } + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); + } + } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function parseQualifiedName(left) { + var result = createNode(136, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); + } + function parseJSDocRecordType() { + var result = createNode(260); + nextToken(); + result.members = parseDelimitedList(24, parseJSDocRecordMember); + checkForTrailingComma(result.members); + parseExpected(16); + return finishNode(result); + } + function parseJSDocRecordMember() { + var result = createNode(261); + result.name = parseSimplePropertyName(); + if (token === 54) { + nextToken(); + result.type = parseJSDocType(); + } + return finishNode(result); + } + function parseJSDocNonNullableType() { + var result = createNode(259); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); + } + function parseJSDocTupleType() { + var result = createNode(257); + nextToken(); + result.types = parseDelimitedList(25, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(20); + return finishNode(result); + } + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function parseJSDocUnionType() { + var result = createNode(256); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(18); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = []; + types.pos = firstType.pos; + types.push(firstType); + while (parseOptional(47)) { + types.push(parseJSDocType()); + } + types.end = scanner.getStartPos(); + return types; + } + function parseJSDocAllType() { + var result = createNode(253); + nextToken(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + nextToken(); + if (token === 24 || + token === 16 || + token === 18 || + token === 27 || + token === 56 || + token === 47) { + var result = createNode(254, pos); + return finishNode(result); + } + else { + var result = createNode(258, pos); + result.type = parseJSDocType(); + return finishNode(result); + } + } + function parseIsolatedJSDocComment(content, start, length) { + initializeState("file.js", content, 2, true, undefined); + sourceFile = { languageVariant: 0, text: content }; + var jsDocComment = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var result; + if (content.charCodeAt(start) === 47 && + content.charCodeAt(start + 1) === 42 && + content.charCodeAt(start + 2) === 42 && + content.charCodeAt(start + 3) !== 42) { + scanner.scanRange(start + 3, length - 5, function () { + var canParseTag = true; + var seenAsterisk = true; + nextJSDocToken(); + while (token !== 1) { + switch (token) { + case 55: + if (canParseTag) { + parseTag(); + } + seenAsterisk = false; + break; + case 4: + canParseTag = true; + seenAsterisk = false; + break; + case 37: + if (seenAsterisk) { + canParseTag = false; + } + seenAsterisk = true; + break; + case 69: + canParseTag = false; + break; + case 1: + break; + } + nextJSDocToken(); + } + result = createJSDocComment(); + }); + } + return result; + function createJSDocComment() { + if (!tags) { + return undefined; + } + var result = createNode(268, start); + result.tags = tags; + return finishNode(result, end); + } + function skipWhitespace() { + while (token === 5 || token === 4) { + nextJSDocToken(); + } + } + function parseTag() { + ts.Debug.assert(token === 55); + var atToken = createNode(55, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifier(); + if (!tagName) { + return; + } + var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); + addTag(tag); + } + function handleTag(atToken, tagName) { + if (tagName) { + switch (tagName.text) { + case "param": + return handleParamTag(atToken, tagName); + case "return": + case "returns": + return handleReturnTag(atToken, tagName); + case "template": + return handleTemplateTag(atToken, tagName); + case "type": + return handleTypeTag(atToken, tagName); + } + } + return undefined; + } + function handleUnknownTag(atToken, tagName) { + var result = createNode(269, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag) { + if (tag) { + if (!tags) { + tags = []; + tags.pos = tag.pos; + } + tags.push(tag); + tags.end = tag.end; + } + } + function tryParseTypeExpression() { + if (token !== 15) { + return undefined; + } + var typeExpression = parseJSDocTypeExpression(); + return typeExpression; + } + function handleParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + if (parseOptionalToken(19)) { + name = parseJSDocIdentifier(); + isBracketed = true; + if (parseOptionalToken(56)) { + parseExpression(); + } + parseExpected(20); + } + else if (token === 69) { + name = parseJSDocIdentifier(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; + } + else { + preName = name; + } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); + } + var result = createNode(270, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.isBracketed = isBracketed; + return finishNode(result); + } + function handleReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 271; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(271, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 272; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(272, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 273; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var typeParameters = []; + typeParameters.pos = scanner.getStartPos(); + while (true) { + var name_8 = parseJSDocIdentifier(); + if (!name_8) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(138, name_8.pos); + typeParameter.name = name_8; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token === 24) { + nextJSDocToken(); + } + else { + break; + } + } + var result = createNode(273, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; + } + function nextJSDocToken() { + return token = scanner.scanJSDocToken(); + } + function parseJSDocIdentifier() { + if (token !== 69) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(69, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; + } + } + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + return sourceFile; + } + if (sourceFile.statements.length === 0) { + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, undefined, true); + } + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, true); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); + } + if (node._children) { + node._children = undefined; + } + if (node.jsDocComment) { + node.jsDocComment = undefined; + } + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); + } + forEachChild(node, visitNode, visitArray); + checkNodePositions(node, aggressiveChecks); + } + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { + var node = array_7[_i]; + visitNode(node); + } + } + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9: + case 8: + case 69: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + element.pos = Math.min(element.pos, changeRangeNewEnd); + if (element.end >= changeRangeOldEnd) { + element.end += delta; + } + else { + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(child, false, delta, oldText, newText, aggressiveChecks); + return; + } + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; + } + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + moveElementEntirelyPastChangeRange(array, true, delta, oldText, newText, aggressiveChecks); + return; + } + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { + var node = array_8[_i]; + visitNode(node); + } + return; + } + ts.Debug.assert(fullEnd < changeStart); + } + } + function extendToAffectedRange(sourceFile, changeRange) { + var maxLookahead = 1; + var start = changeRange.span.start; + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); + } + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; + } + } + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; + } + else { + return node; + } + } + } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; + } + function visit(child) { + if (ts.nodeIsMissing(child)) { + return; + } + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + bestResult = child; + } + if (position < child.end) { + forEachChild(child, visit); + return true; + } + else { + ts.Debug.assert(child.end <= position); + lastNodeEntirelyBeforePosition = child; + } + } + else { + ts.Debug.assert(child.pos > position); + return true; + } + } + } + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); + } + } + } + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1; + return { + currentNode: function (position) { + if (position !== lastQueriedPosition) { + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); + } + } + lastQueriedPosition = position; + ts.Debug.assert(!current || current.pos === position); + return current; + } + }; + function findHighestListElementThatStartsAtPosition(position) { + currentArray = undefined; + currentArrayIndex = -1; + current = undefined; + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + forEachChild(node, visitNode, visitArray); + return true; + } + return false; + } + function visitArray(array) { + if (position >= array.pos && position < array.end) { + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + return false; + } + } + } + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.bindTime = 0; + function or(state1, state2) { + return (state1 | state2) & 2 + ? 2 + : (state1 & state2) & 8 + ? 8 + : 4; + } + function getModuleInstanceState(node) { + if (node.kind === 218 || node.kind === 219) { + return 0; + } + else if (ts.isConstEnumDeclaration(node)) { + return 2; + } + else if ((node.kind === 225 || node.kind === 224) && !(node.flags & 2)) { + return 0; + } + else if (node.kind === 222) { + var state_1 = 0; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0: + return false; + case 2: + state_1 = 2; + return false; + case 1: + state_1 = 1; + return true; + } + }); + return state_1; + } + else if (node.kind === 221) { + return getModuleInstanceState(node.body); + } + else { + return 1; + } + } + ts.getModuleInstanceState = getModuleInstanceState; + var binder = createBinder(); + function bindSourceFile(file, options) { + var start = new Date().getTime(); + binder(file, options); + ts.bindTime += new Date().getTime() - start; + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + var hasExplicitReturn; + var currentReachabilityState; + var labelStack; + var labelIndexMap; + var implicitLabels; + var hasClassExtends; + var hasAsyncFunctions; + var hasDecorators; + var hasParameterDecorators; + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + function bindSourceFile(f, opts) { + file = f; + options = opts; + inStrictMode = !!file.externalModuleIndicator; + classifiableNames = {}; + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + hasExplicitReturn = false; + labelStack = undefined; + labelIndexMap = undefined; + implicitLabels = undefined; + hasClassExtends = false; + hasAsyncFunctions = false; + hasDecorators = false; + hasParameterDecorators = false; + } + return bindSourceFile; + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; + } + symbol.declarations.push(node); + if (symbolFlags & 1952 && !symbol.exports) { + symbol.exports = {}; + } + if (symbolFlags & 6240 && !symbol.members) { + symbol.members = {}; + } + if (symbolFlags & 107455) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221)) { + symbol.valueDeclaration = node; + } + } + } + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; + } + if (node.name.kind === 137) { + var nameExpression = node.name.expression; + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + } + return node.name.text; + } + switch (node.kind) { + case 145: + return "__constructor"; + case 153: + case 148: + return "__call"; + case 154: + case 149: + return "__new"; + case 150: + return "__index"; + case 231: + return "__export"; + case 230: + return node.isExportEquals ? "export=" : "default"; + case 184: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2: + return "export="; + case 1: + case 4: + return node.left.name.text; + case 3: + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 216: + case 217: + return node.flags & 512 ? "default" : undefined; + case 264: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 139: + ts.Debug.assert(node.parent.kind === 264); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "p" + index; + } + } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + } + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = node.flags & 512; + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name !== undefined) { + symbol = ts.hasProperty(symbolTable, name) + ? symbolTable[name] + : (symbolTable[name] = createSymbol(0, name)); + if (name && (includes & 788448)) { + classifiableNames[name] = name; + } + if (symbol.flags & excludes) { + if (node.name) { + node.name.parent = node; + } + var message_1 = symbol.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.flags & 512) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + }); + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0, name); + } + } + else { + symbol = createSymbol(0, "__missing"); + } + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; + } + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedNodeFlags(node) & 2; + if (symbolFlags & 8388608) { + if (node.kind === 233 || (node.kind === 224 && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + else { + if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072)) { + var exportKind = (symbolFlags & 107455 ? 1048576 : 0) | + (symbolFlags & 793056 ? 2097152 : 0) | + (symbolFlags & 1536 ? 4194304 : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + } + function bindChildren(node) { + var saveParent = parent; + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + parent = node; + var containerFlags = getContainerFlags(node); + if (containerFlags & 1) { + container = blockScopeContainer = node; + if (containerFlags & 4) { + container.locals = {}; + } + addToContainerChain(container); + } + else if (containerFlags & 2) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; + } + var savedReachabilityState; + var savedLabelStack; + var savedLabels; + var savedImplicitLabels; + var savedHasExplicitReturn; + var kind = node.kind; + var flags = node.flags; + flags &= ~1572864; + flags &= ~62914560; + if (kind === 218) { + seenThisKeyword = false; + } + var saveState = kind === 251 || kind === 222 || ts.isFunctionLikeKind(kind); + if (saveState) { + savedReachabilityState = currentReachabilityState; + savedLabelStack = labelStack; + savedLabels = labelIndexMap; + savedImplicitLabels = implicitLabels; + savedHasExplicitReturn = hasExplicitReturn; + currentReachabilityState = 2; + hasExplicitReturn = false; + labelStack = labelIndexMap = implicitLabels = undefined; + } + if (ts.isInJavaScriptFile(node) && node.jsDocComment) { + bind(node.jsDocComment); + } + bindReachableStatement(node); + if (currentReachabilityState === 2 && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { + flags |= 524288; + if (hasExplicitReturn) { + flags |= 1048576; + } + } + if (kind === 218) { + flags = seenThisKeyword ? flags | 262144 : flags & ~262144; + } + if (kind === 251) { + if (hasClassExtends) { + flags |= 4194304; + } + if (hasDecorators) { + flags |= 8388608; + } + if (hasParameterDecorators) { + flags |= 16777216; + } + if (hasAsyncFunctions) { + flags |= 33554432; + } + } + node.flags = flags; + if (saveState) { + hasExplicitReturn = savedHasExplicitReturn; + currentReachabilityState = savedReachabilityState; + labelStack = savedLabelStack; + labelIndexMap = savedLabels; + implicitLabels = savedImplicitLabels; + } + container = saveContainer; + parent = saveParent; + blockScopeContainer = savedBlockScopeContainer; + } + function bindReachableStatement(node) { + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; + } + switch (node.kind) { + case 201: + bindWhileStatement(node); + break; + case 200: + bindDoStatement(node); + break; + case 202: + bindForStatement(node); + break; + case 203: + case 204: + bindForInOrForOfStatement(node); + break; + case 199: + bindIfStatement(node); + break; + case 207: + case 211: + bindReturnOrThrow(node); + break; + case 206: + case 205: + bindBreakOrContinueStatement(node); + break; + case 212: + bindTryStatement(node); + break; + case 209: + bindSwitchStatement(node); + break; + case 223: + bindCaseBlock(node); + break; + case 210: + bindLabeledStatement(node); + break; + default: + ts.forEachChild(node, bind); + break; + } + } + function bindWhileStatement(n) { + var preWhileState = n.expression.kind === 84 ? 4 : currentReachabilityState; + var postWhileState = n.expression.kind === 99 ? 4 : currentReachabilityState; + bind(n.expression); + currentReachabilityState = preWhileState; + var postWhileLabel = pushImplicitLabel(); + bind(n.statement); + popImplicitLabel(postWhileLabel, postWhileState); + } + function bindDoStatement(n) { + var preDoState = currentReachabilityState; + var postDoLabel = pushImplicitLabel(); + bind(n.statement); + var postDoState = n.expression.kind === 99 ? 4 : preDoState; + popImplicitLabel(postDoLabel, postDoState); + bind(n.expression); + } + function bindForStatement(n) { + var preForState = currentReachabilityState; + var postForLabel = pushImplicitLabel(); + bind(n.initializer); + bind(n.condition); + bind(n.incrementor); + bind(n.statement); + var isInfiniteLoop = (!n.condition || n.condition.kind === 99); + var postForState = isInfiniteLoop ? 4 : preForState; + popImplicitLabel(postForLabel, postForState); + } + function bindForInOrForOfStatement(n) { + var preStatementState = currentReachabilityState; + var postStatementLabel = pushImplicitLabel(); + bind(n.initializer); + bind(n.expression); + bind(n.statement); + popImplicitLabel(postStatementLabel, preStatementState); + } + function bindIfStatement(n) { + var ifTrueState = n.expression.kind === 84 ? 4 : currentReachabilityState; + var ifFalseState = n.expression.kind === 99 ? 4 : currentReachabilityState; + currentReachabilityState = ifTrueState; + bind(n.expression); + bind(n.thenStatement); + if (n.elseStatement) { + var preElseState = currentReachabilityState; + currentReachabilityState = ifFalseState; + bind(n.elseStatement); + currentReachabilityState = or(currentReachabilityState, preElseState); + } + else { + currentReachabilityState = or(currentReachabilityState, ifFalseState); + } + } + function bindReturnOrThrow(n) { + bind(n.expression); + if (n.kind === 207) { + hasExplicitReturn = true; + } + currentReachabilityState = 4; + } + function bindBreakOrContinueStatement(n) { + bind(n.label); + var isValidJump = jumpToLabel(n.label, n.kind === 206 ? currentReachabilityState : 4); + if (isValidJump) { + currentReachabilityState = 4; + } + } + function bindTryStatement(n) { + var preTryState = currentReachabilityState; + bind(n.tryBlock); + var postTryState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.catchClause); + var postCatchState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.finallyBlock); + currentReachabilityState = or(postTryState, postCatchState); + } + function bindSwitchStatement(n) { + var preSwitchState = currentReachabilityState; + var postSwitchLabel = pushImplicitLabel(); + bind(n.expression); + bind(n.caseBlock); + var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245; }); + var postSwitchState = hasDefault && currentReachabilityState !== 2 ? 4 : preSwitchState; + popImplicitLabel(postSwitchLabel, postSwitchState); + } + function bindCaseBlock(n) { + var startState = currentReachabilityState; + for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + currentReachabilityState = startState; + bind(clause); + if (clause.statements.length && currentReachabilityState === 2 && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + } + } + } + function bindLabeledStatement(n) { + bind(n.label); + var ok = pushNamedLabel(n.label); + bind(n.statement); + if (ok) { + popNamedLabel(n.label, currentReachabilityState); + } + } + function getContainerFlags(node) { + switch (node.kind) { + case 189: + case 217: + case 218: + case 220: + case 168: + case 156: + case 260: + return 1; + case 148: + case 149: + case 150: + case 144: + case 143: + case 216: + case 145: + case 146: + case 147: + case 153: + case 154: + case 176: + case 177: + case 221: + case 251: + case 219: + return 5; + case 247: + case 202: + case 203: + case 204: + case 223: + return 2; + case 195: + return ts.isFunctionLike(node.parent) ? 0 : 2; + } + return 0; + } + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; + } + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + } + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + case 221: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 251: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 189: + case 217: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 220: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 156: + case 168: + case 218: + case 260: + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 153: + case 154: + case 148: + case 149: + case 150: + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 176: + case 177: + case 264: + case 219: + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return node.flags & 64 + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 251 ? node : node.body; + if (body.kind === 251 || body.kind === 222) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 231 || stat.kind === 230) { + return true; + } + } + } + return false; + } + function setExportContextFlag(node) { + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 131072; + } + else { + node.flags &= ~131072; + } + } + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (node.flags & 2) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); + } + declareSymbolAndAddToSymbolTable(node, 512, 106639); + } + else { + var state = getModuleInstanceState(node); + if (state === 0) { + declareSymbolAndAddToSymbolTable(node, 1024, 0); + } + else { + declareSymbolAndAddToSymbolTable(node, 512, 106639); + if (node.symbol.flags & (16 | 32 | 256)) { + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2; + if (node.symbol.constEnumOnlyModule === undefined) { + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } + } + } + } + function bindFunctionOrConstructorType(node) { + var symbol = createSymbol(131072, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072); + var typeLiteralSymbol = createSymbol(2048, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048); + typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); + var _a; + } + function bindObjectLiteralExpression(node) { + if (inStrictMode) { + var seen = {}; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 69) { + continue; + } + var identifier = prop.name; + var currentKind = prop.kind === 248 || prop.kind === 249 || prop.kind === 144 + ? 1 + : 2; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 && existingKind === 1) { + var span = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); + } + } + } + return bindAnonymousDeclaration(node, 4096, "__object"); + } + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); + } + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 221: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 251: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = {}; + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2, 107455); + } + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 106 && + node.originalKeywordKind <= 114 && + !ts.isIdentifierName(node)) { + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } + } + } + function getStrictModeIdentifierMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + checkStrictModeEvalOrArguments(node, node.left); + } + } + function checkStrictModeCatchClause(node) { + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); + } + } + function checkStrictModeDeleteExpression(node) { + if (inStrictMode && node.expression.kind === 69) { + var span = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + } + } + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 69 && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 69) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + var span = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + } + } + } + function getStrictModeEvalOrArgumentsMessage(node) { + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; + } + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.flags & 32768) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + } + } + function checkStrictModePostfixUnaryExpression(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + function checkStrictModePrefixUnaryExpression(node) { + if (inStrictMode) { + if (node.operator === 41 || node.operator === 42) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + } + function checkStrictModeWithStatement(node) { + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + } + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; + } + node.parent = parent; + var savedInStrictMode = inStrictMode; + if (!savedInStrictMode) { + updateStrictMode(node); + } + bindWorker(node); + bindChildren(node); + inStrictMode = savedInStrictMode; + } + function updateStrictMode(node) { + switch (node.kind) { + case 251: + case 222: + updateStrictModeStatementList(node.statements); + return; + case 195: + if (ts.isFunctionLike(node.parent)) { + updateStrictModeStatementList(node.statements); + } + return; + case 217: + case 189: + inStrictMode = true; + return; + } + } + function updateStrictModeStatementList(statements) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } + } + } + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + return nodeText === "\"use strict\"" || nodeText === "'use strict'"; + } + function bindWorker(node) { + switch (node.kind) { + case 69: + return checkStrictModeIdentifier(node); + case 184: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1: + bindExportsPropertyAssignment(node); + break; + case 2: + bindModuleExportsAssignment(node); + break; + case 3: + bindPrototypePropertyAssignment(node); + break; + case 4: + bindThisPropertyAssignment(node); + break; + case 0: + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 247: + return checkStrictModeCatchClause(node); + case 178: + return checkStrictModeDeleteExpression(node); + case 8: + return checkStrictModeNumericLiteral(node); + case 183: + return checkStrictModePostfixUnaryExpression(node); + case 182: + return checkStrictModePrefixUnaryExpression(node); + case 208: + return checkStrictModeWithStatement(node); + case 162: + seenThisKeyword = true; + return; + case 151: + return checkTypePredicate(node); + case 138: + return declareSymbolAndAddToSymbolTable(node, 262144, 530912); + case 139: + return bindParameter(node); + case 214: + case 166: + return bindVariableDeclarationOrBindingElement(node); + case 142: + case 141: + case 261: + return bindPropertyOrMethodOrAccessor(node, 4 | (node.questionToken ? 536870912 : 0), 107455); + case 248: + case 249: + return bindPropertyOrMethodOrAccessor(node, 4, 107455); + case 250: + return bindPropertyOrMethodOrAccessor(node, 8, 107455); + case 148: + case 149: + case 150: + return declareSymbolAndAddToSymbolTable(node, 131072, 0); + case 144: + case 143: + return bindPropertyOrMethodOrAccessor(node, 8192 | (node.questionToken ? 536870912 : 0), ts.isObjectLiteralMethod(node) ? 107455 : 99263); + case 216: + return bindFunctionDeclaration(node); + case 145: + return declareSymbolAndAddToSymbolTable(node, 16384, 0); + case 146: + return bindPropertyOrMethodOrAccessor(node, 32768, 41919); + case 147: + return bindPropertyOrMethodOrAccessor(node, 65536, 74687); + case 153: + case 154: + case 264: + return bindFunctionOrConstructorType(node); + case 156: + case 260: + return bindAnonymousDeclaration(node, 2048, "__type"); + case 168: + return bindObjectLiteralExpression(node); + case 176: + case 177: + return bindFunctionExpression(node); + case 171: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + case 189: + case 217: + return bindClassLikeDeclaration(node); + case 218: + return bindBlockScopedDeclaration(node, 64, 792960); + case 219: + return bindBlockScopedDeclaration(node, 524288, 793056); + case 220: + return bindEnumDeclaration(node); + case 221: + return bindModuleDeclaration(node); + case 224: + case 227: + case 229: + case 233: + return declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + case 226: + return bindImportClause(node); + case 231: + return bindExportDeclaration(node); + case 230: + return bindExportAssignment(node); + case 251: + return bindSourceFileIfExternalModule(); + } + } + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 69) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 162) { + seenThisKeyword = true; + } + bind(type); + } + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); + } + } + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512, "\"" + ts.removeFileExtension(file.fileName) + "\""); + } + function bindExportAssignment(node) { + var boundExpression = node.kind === 230 ? node.expression : node.right; + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 8388608, getDeclarationName(node)); + } + else if (boundExpression.kind === 69 && node.kind === 230) { + declareSymbol(container.symbol.exports, container.symbol, node, 8388608, 107455 | 8388608); + } + else { + declareSymbol(container.symbol.exports, container.symbol, node, 4, 107455 | 8388608); + } + } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + bindAnonymousDeclaration(node, 1073741824, getDeclarationName(node)); + } + else if (!node.exportClause) { + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824, 0); + } + } + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608, 8388608); + } + } + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + bindSourceFileAsExternalModule(); + } + } + function bindExportsPropertyAssignment(node) { + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 | 7340032, 0); + } + function bindModuleExportsAssignment(node) { + setCommonJsModuleIndicator(node); + bindExportAssignment(node); + } + function bindThisPropertyAssignment(node) { + if (container.kind === 176 || container.kind === 216) { + container.symbol.members = container.symbol.members || {}; + declareSymbol(container.symbol.members, container.symbol, node, 4, 107455 & ~4); + } + } + function bindPrototypePropertyAssignment(node) { + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16)) { + return; + } + if (!funcSymbol.members) { + funcSymbol.members = {}; + } + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4, 107455); + } + function bindCallExpression(node) { + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + hasClassExtends = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + if (node.kind === 217) { + bindBlockScopedDeclaration(node, 32, 899519); + } + else { + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32, bindingName); + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } + } + var symbol = node.symbol; + var prototypeSymbol = createSymbol(4 | 134217728, "prototype"); + if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { + if (node.name) { + node.name.parent = node; + } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128, 899967) + : bindBlockScopedDeclaration(node, 256, 899327); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); + } + else if (ts.isParameterDeclaration(node)) { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + else { + declareSymbolAndAddToSymbolTable(node, 1, 107454); + } + } + } + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + hasDecorators = true; + hasParameterDecorators = true; + } + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1, getDestructuringParameterName(node)); + } + else { + declareSymbolAndAddToSymbolTable(node, 1, 107455); + } + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4, 107455); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + return declareSymbolAndAddToSymbolTable(node, 16, 106927); + } + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16, bindingName); + } + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + function pushNamedLabel(name) { + initializeReachabilityStateIfNecessary(); + if (ts.hasProperty(labelIndexMap, name.text)) { + return false; + } + labelIndexMap[name.text] = labelStack.push(1) - 1; + return true; + } + function pushImplicitLabel() { + initializeReachabilityStateIfNecessary(); + var index = labelStack.push(1) - 1; + implicitLabels.push(index); + return index; + } + function popNamedLabel(label, outerState) { + var index = labelIndexMap[label.text]; + ts.Debug.assert(index !== undefined); + ts.Debug.assert(labelStack.length == index + 1); + labelIndexMap[label.text] = undefined; + setCurrentStateAtLabel(labelStack.pop(), outerState, label); + } + function popImplicitLabel(implicitLabelIndex, outerState) { + if (labelStack.length !== implicitLabelIndex + 1) { + ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); + } + var i = implicitLabels.pop(); + if (implicitLabelIndex !== i) { + ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); + } + setCurrentStateAtLabel(labelStack.pop(), outerState, undefined); + } + function setCurrentStateAtLabel(innerMergedState, outerState, label) { + if (innerMergedState === 1) { + if (label && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); + } + currentReachabilityState = outerState; + } + else { + currentReachabilityState = or(innerMergedState, outerState); + } + } + function jumpToLabel(label, outerState) { + initializeReachabilityStateIfNecessary(); + var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); + if (index === undefined) { + return false; + } + var stateAtLabel = labelStack[index]; + labelStack[index] = stateAtLabel === 1 ? outerState : or(stateAtLabel, outerState); + return true; + } + function checkUnreachable(node) { + switch (currentReachabilityState) { + case 4: + var reportError = (ts.isStatement(node) && node.kind !== 197) || + node.kind === 217 || + (node.kind === 221 && shouldReportErrorOnModuleDeclaration(node)) || + (node.kind === 220 && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentReachabilityState = 8; + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 196 || + ts.getCombinedNodeFlags(node.declarationList) & 24576 || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + case 8: + return true; + default: + return false; + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 || (instanceState === 2 && options.preserveConstEnums); + } + } + function initializeReachabilityStateIfNecessary() { + if (labelIndexMap) { + return; + } + currentReachabilityState = 2; + labelIndexMap = {}; + labelStack = []; + implicitLabels = []; + } + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; + } + return node.id; + } + ts.getNodeId = getNodeId; + ts.checkTime = 0; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; + } + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = {}; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 | 67108864, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 | 67108864, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var unknownSymbol = createSymbol(4 | 67108864, "unknown"); + var resolvingSymbol = createSymbol(67108864, "__resolving__"); + var anyType = createIntrinsicType(1, "any"); + var stringType = createIntrinsicType(2, "string"); + var numberType = createIntrinsicType(4, "number"); + var booleanType = createIntrinsicType(8, "boolean"); + var esSymbolType = createIntrinsicType(16777216, "symbol"); + var voidType = createIntrinsicType(16, "void"); + var undefinedType = createIntrinsicType(32 | 2097152, "undefined"); + var nullType = createIntrinsicType(64 | 2097152, "null"); + var unknownType = createIntrinsicType(1, "unknown"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyUnionType = emptyObjectType; + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = {}; + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + anyFunctionType.flags |= 8388608; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, emptyArray, anyType, undefined, 0, false, false); + var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, undefined, 0, false, false); + var globals = {}; + var globalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var globalTemplateStringsArrayType; + var globalESSymbolType; + var globalIterableType; + var globalIteratorType; + var globalIterableIteratorType; + var anyArrayType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var tupleTypes = {}; + var unionTypes = {}; + var intersectionTypes = {}; + var stringLiteralTypes = {}; + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var primitiveTypeInfo = { + "string": { + type: stringType, + flags: 258 + }, + "number": { + type: numberType, + flags: 132 + }, + "boolean": { + type: booleanType, + flags: 8 + }, + "symbol": { + type: esSymbolType, + flags: 16777216 + }, + "undefined": { + type: undefinedType, + flags: 2097152 + } + }; + var jsxElementType; + var jsxTypes = {}; + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = {}; + var assignableRelation = {}; + var identityRelation = {}; + var _displayBuilder; + var builtinGlobals = (_a = {}, + _a[undefinedSymbol.name] = undefinedSymbol, + _a + ); + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; + } + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); + } + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2) + result |= 107455; + if (flags & 1) + result |= 107454; + if (flags & 4) + result |= 107455; + if (flags & 8) + result |= 107455; + if (flags & 16) + result |= 106927; + if (flags & 32) + result |= 899519; + if (flags & 64) + result |= 792960; + if (flags & 256) + result |= 899327; + if (flags & 128) + result |= 899967; + if (flags & 512) + result |= 106639; + if (flags & 8192) + result |= 99263; + if (flags & 32768) + result |= 41919; + if (flags & 65536) + result |= 74687; + if (flags & 262144) + result |= 530912; + if (flags & 524288) + result |= 793056; + if (flags & 8388608) + result |= 8388608; + return result; + } + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; + } + mergedSymbols[source.mergeId] = target; + } + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = cloneSymbolTable(symbol.members); + if (symbol.exports) + result.exports = cloneSymbolTable(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + target.constEnumOnlyModule = false; + } + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 221 && source.valueDeclaration.kind !== 221))) { + target.valueDeclaration = source.valueDeclaration; + } + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = {}; + mergeSymbolTable(target.members, source.members); + } + if (source.exports) { + if (!target.exports) + target.exports = {}; + mergeSymbolTable(target.exports, source.exports); + } + recordMergedSymbol(target, source); + } + else { + var message_2 = target.flags & 2 || source.flags & 2 + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + } + } + function cloneSymbolTable(symbolTable) { + var result = {}; + for (var id in symbolTable) { + if (ts.hasProperty(symbolTable, id)) { + result[id] = symbolTable[id]; + } + } + return result; + } + function mergeSymbolTable(target, source) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (!ts.hasProperty(target, id)) { + target[id] = source[id]; + } + else { + var symbol = target[id]; + if (!(symbol.flags & 33554432)) { + target[id] = symbol = cloneSymbol(symbol); + } + mergeSymbol(symbol, source[id]); + } + } + } + } + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + return; + } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); + } + else { + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); + if (!mainModule) { + return; + } + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1536) { + mainModule = mainModule.flags & 33554432 ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); + } + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); + } + } + } + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (ts.hasProperty(target, id)) { + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); + } + else { + target[id] = source[id]; + } + } + } + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } + } + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); + } + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); + } + function isGlobalSourceFile(node) { + return node.kind === 251 && !ts.isExternalOrCommonJsModule(node); + } + function getSymbol(symbols, name, meaning) { + if (meaning && ts.hasProperty(symbols, name)) { + var symbol = symbols[name]; + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608) { + var target = resolveAlias(symbol); + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } + } + } + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructoDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; + } + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + } + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); + } + if (declaration.pos <= usage.pos) { + return declaration.kind !== 214 || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); + } + return isUsedInFunctionOrNonStaticProperty(declaration, usage); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + if (declaration.parent.parent.kind === 196 || + declaration.parent.parent.kind === 202) { + return isSameScopeDescendentOf(usage, declaration, container); + } + else if (declaration.parent.parent.kind === 204 || + declaration.parent.parent.kind === 203) { + var expression = declaration.parent.parent.expression; + return isSameScopeDescendentOf(usage, expression, container); + } + } + function isUsedInFunctionOrNonStaticProperty(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 142 && + (current.parent.flags & 64) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; + } + } + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + loop: while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + if (meaning & result.flags & 793056 && lastLocation.kind !== 268) { + useResult = result.flags & 262144 + ? lastLocation === location.type || + lastLocation.kind === 139 || + lastLocation.kind === 138 + : false; + } + if (meaning & 107455 && result.flags & 1) { + useResult = + lastLocation.kind === 139 || + (lastLocation === location.type && + result.valueDeclaration.kind === 139); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location)) + break; + case 221: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 251 || ts.isAmbientModule(location)) { + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + if (ts.hasProperty(moduleExports, name) && + moduleExports[name].flags === 8388608 && + ts.getDeclarationOfKind(moduleExports[name], 233)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931)) { + break loop; + } + break; + case 220: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8)) { + break loop; + } + break; + case 142: + case 141: + if (ts.isClassLike(location.parent) && !(location.flags & 64)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455)) { + propertyWithInvalidInitializer = location; + } + } + } + break; + case 217: + case 189: + case 218: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056)) { + if (lastLocation && lastLocation.flags & 64) { + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 189 && meaning & 32) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + case 137: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 218) { + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 177: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + break; + case 176: + if (meaning & 3 && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; + } + } + break; + case 140: + if (location.parent && location.parent.kind === 139) { + location = location.parent; + } + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; + } + lastLocation = location; + location = location.parent; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } + } + return undefined; + } + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; + } + if (meaning & 2) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } + } + } + return result; + } + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if (!errorLocation || (errorLocation.kind === 69 && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { + return false; + } + var container = ts.getThisContainer(errorLocation, true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + if (location === container && !(location.flags & 64)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; + } + return false; + } + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2) !== 0); + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + } + } + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; + } + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; + } + } + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 224) { + return node; + } + while (node && node.kind !== 225) { + node = node.parent; + } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 235) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + } + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793056 | 1536)) { + return valueSymbol; + } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; + return result; + } + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536) { + var exports_1 = getExportsOfSymbol(symbol); + if (ts.hasProperty(exports_1, name)) { + return resolveSymbol(exports_1[name]); + } + } + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); + } + } + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_9 = specifier.propertyName || specifier.name; + if (name_9.text) { + var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); + var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); + } + return symbol; + } + } + } + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 | 793056 | 1536); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 224: + return getTargetOfImportEqualsDeclaration(node); + case 226: + return getTargetOfImportClause(node); + case 227: + return getTargetOfNamespaceImport(node); + case 229: + return getTargetOfImportSpecifier(node); + case 233: + return getTargetOfExportSpecifier(node); + case 230: + return getTargetOfExportAssignment(node); + } + } + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 && !(symbol.flags & (107455 | 793056 | 1536)) ? resolveAlias(symbol) : symbol; + } + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; + } + else { + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); + } + } + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; + } + return links.target; + } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || + (target !== unknownSymbol && (target.flags & 107455) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); + } + } + } + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + if (node.kind === 230) { + checkExpressionCached(node.expression); + } + else if (node.kind === 233) { + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + checkExpressionCached(node.moduleReference); + } + } + } + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { + if (!importDeclaration) { + importDeclaration = ts.getAncestor(entityName, 224); + ts.Debug.assert(importDeclaration !== undefined); + } + if (entityName.kind === 69 && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (entityName.kind === 69 || entityName.parent.kind === 136) { + return resolveEntityName(entityName, 1536); + } + else { + ts.Debug.assert(entityName.parent.kind === 224); + return resolveEntityName(entityName, 107455 | 793056 | 1536); + } + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + function resolveEntityName(name, meaning, ignoreErrors) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 69) { + var message = meaning === 1536 ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; + } + } + else if (name.kind === 136 || name.kind === 169) { + var left = name.kind === 136 ? name.left : name.expression; + var right = name.kind === 136 ? name.right : name.name; + var namespace = resolveEntityName(left, 1536, ignoreErrors); + if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { + return undefined; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } + } + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216) === 0, "Should never get an instantiated symbol here."); + return symbol.flags & meaning ? symbol : resolveAlias(symbol); + } + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9) { + return; + } + var moduleReferenceLiteral = moduleReferenceExpression; + var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); + if (moduleName === undefined) { + return; + } + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512); + if (symbol) { + return getMergedSymbol(symbol); + } + } + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + return getMergedSymbol(sourceFile.symbol); + } + if (moduleNotFoundError) { + error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); + } + return undefined; + } + if (moduleNotFoundError) { + error(moduleReferenceLiteral, moduleNotFoundError, moduleName); + } + return undefined; + } + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 | 3))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !ts.hasProperty(target, id)) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; + } + } + else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; + } + else { + lookupTable[id].exportsWithDuplicate.push(exportNode); + } + } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + return visit(moduleSymbol) || moduleSymbol.exports; + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 && !ts.contains(visitedSymbols, symbol))) { + return; + } + visitedSymbols.push(symbol); + var symbols = cloneSymbolTable(symbol.exports); + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = {}; + var lookupTable = {}; + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); + } + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); + } + } + extendExportSymbols(symbols, nestedSymbols); + } + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + if (symbol.flags & 16777216) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + if (symbol.flags & 107455) { + return true; + } + if (symbol.flags & 8388608) { + return (resolveAlias(symbol).flags & 107455) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 145 && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + result.id = typeCount; + typeCount++; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createObjectType(kind, symbol) { + var type = createType(kind); + type.symbol = symbol; + return type; + } + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 && + name.charCodeAt(1) === 95 && + name.charCodeAt(2) !== 95 && + name.charCodeAt(2) !== 64; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (ts.hasProperty(members, id)) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); + } + } + } + } + return result || emptyArray; + } + function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexType) + type.stringIndexType = stringIndexType; + if (numberIndexType) + type.numberIndexType = numberIndexType; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + return setObjectTypeMembers(createObjectType(65536, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; + } + } + switch (location_1.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 221: + if (result = callback(getSymbolOfNode(location_1).exports)) { + return result; + } + break; + case 217: + case 218: + if (result = callback(getSymbolOfNode(location_1).members)) { + return result; + } + break; + } + } + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + return rightMeaning === 107455 ? 107455 : 1536; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { + return true; + } + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; + } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); + } + } + if (isAccessible(ts.lookUp(symbols, symbol.name))) { + return [symbol]; + } + return ts.forEachValue(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) { + if (!useOnlyExternalAliasing || + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); + } + } + } + }); + } + if (symbol) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); + } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + if (!ts.hasProperty(symbolTable, symbol.name)) { + return false; + } + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (symbolFromSymbolTable === symbol) { + return true; + } + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; + } + return false; + }); + return qualify; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536) : undefined + }; + } + return hasAccessibleDeclarations; + } + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); + } + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + return { + accessibility: 2, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; + } + } + return { + accessibility: 1, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) + }; + } + return { accessibility: 0 }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); + } + } + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 251 && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(anyImportSyntax.flags & 2) && + isDeclarationVisible(anyImportSyntax.parent)) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); + } + } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } + return true; + } + return false; + } + return true; + } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + var meaning; + if (entityName.parent.kind === 155) { + meaning = 107455 | 1048576; + } + else if (entityName.kind === 136 || entityName.kind === 169 || + entityName.parent.kind === 224) { + meaning = 1536; + } + else { + meaning = 793056; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, undefined, undefined); + return (symbol && hasVisibleDeclarations(symbol)) || { + accessibility: 1, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 161) { + node = node.parent; + } + if (node.kind === 219) { + return getSymbolOfNode(node); + } + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 222 && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); + } + switch (declaration.kind) { + case 189: + return "(Anonymous class)"; + case 176: + case 177: + return "(Anonymous function)"; + } + } + return symbol.name; + } + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + if (flags & 1) { + if (symbol.flags & 16777216) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } + } + writePunctuation(writer, 21); + } + parentSymbol = symbol; + appendSymbolNameOnly(symbol, writer); + } + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning) { + if (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); + } + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } + } + else { + if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { + return; + } + if (symbol.flags & 2048 || symbol.flags & 4096) { + return; + } + appendParentTypeArgumentsAndSymbolName(symbol); + } + } + } + var isTypeParameter = symbol.flags & 262144; + var typeFormatFlag = 128 & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning); + return; + } + return appendParentTypeArgumentsAndSymbolName(symbol); + } + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + if (type.flags & 16777343) { + writer.writeKeyword(!(globalFlags & 16) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 33554432) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); + } + writer.writeKeyword("this"); + } + else if (type.flags & 4096) { + writeTypeReference(type, flags); + } + else if (type.flags & (1024 | 2048 | 128 | 512)) { + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056, 0, flags); + } + else if (type.flags & 8192) { + writeTupleType(type); + } + else if (type.flags & 49152) { + writeUnionOrIntersectionType(type, flags); + } + else if (type.flags & 65536) { + writeAnonymousType(type, flags); + } + else if (type.flags & 256) { + writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); + } + else { + writePunctuation(writer, 15); + writeSpace(writer); + writePunctuation(writer, 22); + writeSpace(writer); + writePunctuation(writer, 16); + } + } + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 24) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 24 ? 0 : 64); + } + } + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + if (symbol.flags & 32 || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056, 0, flags); + } + if (pos < end) { + writePunctuation(writer, 25); + writeType(typeArguments[pos], 0); + pos++; + while (pos < end) { + writePunctuation(writer, 24); + writeSpace(writer); + writeType(typeArguments[pos], 0); + pos++; + } + writePunctuation(writer, 27); + } + } + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1)) { + writeType(typeArguments[0], 64); + writePunctuation(writer, 19); + writePunctuation(writer, 20); + } + else { + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + var start = i; + var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); + writePunctuation(writer, 21); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } + } + function writeTupleType(type) { + writePunctuation(writer, 19); + writeTypeList(type.elementTypes, 24); + writePunctuation(writer, 20); + } + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64) { + writePunctuation(writer, 17); + } + writeTypeList(type.types, type.flags & 16384 ? 47 : 46); + if (flags & 64) { + writePunctuation(writer, 18); + } + } + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + if (symbol.flags & (32 | 384 | 512)) { + writeTypeofSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeofSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056, 0, flags); + } + else { + writeKeyword(writer, 117); + } + } + else { + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 && + ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 251 || declaration.parent.kind === 222; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + return !!(flags & 2) || + (ts.contains(symbolStack, symbol)); + } + } + } + function writeTypeofSymbol(type, typeFormatFlags) { + writeKeyword(writer, 101); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455, 0, typeFormatFlags); + } + function getIndexerParameterName(type, indexKind, fallbackName) { + var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); + if (!declaration) { + return fallbackName; + } + ts.Debug.assert(declaration.parameters.length !== 0); + return ts.declarationNameToString(declaration.parameters[0].name); + } + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 15); + writePunctuation(writer, 16); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 17); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 18); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64) { + writePunctuation(writer, 17); + } + writeKeyword(writer, 92); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8, undefined, symbolStack); + if (flags & 64) { + writePunctuation(writer, 18); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 15); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + if (resolved.stringIndexType) { + writePunctuation(writer, 19); + writer.writeParameter(getIndexerParameterName(resolved, 0, "x")); + writePunctuation(writer, 54); + writeSpace(writer); + writeKeyword(writer, 130); + writePunctuation(writer, 20); + writePunctuation(writer, 54); + writeSpace(writer); + writeType(resolved.stringIndexType, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + if (resolved.numberIndexType) { + writePunctuation(writer, 19); + writer.writeParameter(getIndexerParameterName(resolved, 1, "x")); + writePunctuation(writer, 54); + writeSpace(writer); + writeKeyword(writer, 128); + writePunctuation(writer, 20); + writePunctuation(writer, 54); + writeSpace(writer); + writeType(resolved.numberIndexType, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 | 8192) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + buildSymbolDisplay(p, writer); + if (p.flags & 536870912) { + writePunctuation(writer, 53); + } + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, undefined, symbolStack); + writePunctuation(writer, 23); + writer.writeLine(); + } + } + else { + buildSymbolDisplay(p, writer); + if (p.flags & 536870912) { + writePunctuation(writer, 53); + } + writePunctuation(writer, 54); + writeSpace(writer); + writeType(t, 0); + writePunctuation(writer, 23); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 16); + inObjectTypeLiteral = saveInObjectTypeLiteral; + } + } + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 || targetSymbol.flags & 64 || targetSymbol.flags & 524288) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } + } + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 83); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 22); + } + appendSymbolNameOnly(p, writer); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 53); + } + writePunctuation(writer, 54); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + } + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 27); + } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0); + } + writePunctuation(writer, 27); + } + } + function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 17); + for (var i = 0; i < parameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24); + writeSpace(writer); + } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 18); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); + } + else { + writeKeyword(writer, 97); + } + writeSpace(writer); + writeKeyword(writer, 124); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); + } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8) { + writeSpace(writer); + writePunctuation(writer, 34); + } + else { + writePunctuation(writer, 54); + } + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); + } + else { + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1) { + writeKeyword(writer, 92); + writeSpace(writer); + } + if (signature.target && (flags & 32)) { + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + } + buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); + } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); + } + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); + } + return links.isVisible; + } + return false; + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 166: + return isDeclarationVisible(node.parent.parent); + case 214: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + return false; + } + case 221: + case 217: + case 218: + case 219: + case 216: + case 220: + case 224: + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_5 = getDeclarationContainer(node); + if (!(ts.getCombinedNodeFlags(node) & 2) && + !(node.kind !== 224 && parent_5.kind !== 251 && ts.isInAmbientContext(parent_5))) { + return isGlobalSourceFile(parent_5); + } + return isDeclarationVisible(parent_5); + case 142: + case 141: + case 146: + case 147: + case 144: + case 143: + if (node.flags & (16 | 32)) { + return false; + } + case 145: + case 149: + case 148: + case 150: + case 139: + case 222: + case 153: + case 154: + case 156: + case 152: + case 157: + case 158: + case 159: + case 160: + case 161: + return isDeclarationVisible(node.parent); + case 226: + case 227: + case 229: + return false; + case 138: + case 251: + return true; + case 230: + return false; + default: + ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); + } + } + } + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 230) { + exportSymbol = resolveName(node.parent, node.text, 107455 | 793056 | 1536 | 8388608, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 233) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 | 793056 | 1536 | 8388608); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 | 793056 | 1536, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); + } + } + }); + } + } + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; + } + return false; + } + resolutionTargets.push(target); + resolutionResults.push(true); + resolutionPropertyNames.push(propertyName); + return true; + } + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } + } + return -1; + } + function hasType(target, propertyName) { + if (propertyName === 0) { + return getSymbolLinks(target).type; + } + if (propertyName === 2) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1) { + ts.Debug.assert(!!(target.flags & 1024)); + return target.resolvedBaseConstructorType; + } + if (propertyName === 3) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + } + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); + while (node) { + switch (node.kind) { + case 214: + case 215: + case 229: + case 228: + case 227: + case 226: + node = node.parent; + break; + default: + return node.parent; + } + } + } + function getTypeOfPrototypeProperty(prototype) { + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + } + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; + } + function isTypeAny(type) { + return type && (type.flags & 1) !== 0; + } + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); + } + function getTextOfPropertyName(name) { + switch (name.kind) { + case 69: + return name.text; + case 9: + case 8: + return name.text; + case 137: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } + } + return undefined; + } + function isComputedNonLiteralName(name) { + return name.kind === 137 && !ts.isStringOrNumericLiteral(name.expression.kind); + } + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + if (parentType === unknownType) { + return unknownType; + } + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + return parentType; + } + var type; + if (pattern.kind === 164) { + var name_10 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_10)) { + return anyType; + } + var text = getTextOfPropertyName(name_10); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1) || + getIndexTypeOfType(parentType, 0); + if (!type) { + error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); + return unknownType; + } + } + else { + var elementType = checkIteratedTypeOrElementType(parentType, pattern, false); + if (!declaration.dotDotDotToken) { + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; + } + } + else { + type = createArrayType(elementType); + } + } + return type; + } + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); + } + } + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; + } + if (declaration.kind === 214 && + declaration.parent.kind === 215 && + declaration.parent.parent.kind === 196) { + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; + } + } + else if (declaration.kind === 139) { + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; + } + } + return undefined; + } + function getTypeForVariableLikeDeclaration(declaration) { + if (declaration.parserContextFlags & 32) { + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } + } + if (declaration.parent.parent.kind === 203) { + return stringType; + } + if (declaration.parent.parent.kind === 204) { + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + } + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); + } + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139) { + var func = declaration.parent; + if (func.kind === 147 && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146); + if (getter) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); + } + } + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + if (declaration.kind === 249) { + return checkIdentifier(declaration.name); + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, false); + } + return undefined; + } + function getTypeFromBindingElement(element, includePatternInType) { + if (element.initializer) { + return getWidenedType(checkExpressionCached(element.initializer)); + } + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType); + } + return anyType; + } + function getTypeFromObjectBindingPattern(pattern, includePatternInType) { + var members = {}; + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 | 67108864 | (e.initializer ? 536870912 : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; + } + if (hasComputedProperties) { + result.flags |= 67108864; + } + return result; + } + function getTypeFromArrayBindingPattern(pattern, includePatternInType) { + var elements = pattern.elements; + if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { + return languageVersion >= 2 ? createIterableType(anyType) : anyArrayType; + } + var elementTypes = ts.map(elements, function (e) { return e.kind === 190 ? anyType : getTypeFromBindingElement(e, includePatternInType); }); + if (includePatternInType) { + var result = createNewTupleType(elementTypes); + result.pattern = pattern; + return result; + } + return createTupleType(elementTypes); + } + function getTypeFromBindingPattern(pattern, includePatternInType) { + return pattern.kind === 164 + ? getTypeFromObjectBindingPattern(pattern, includePatternInType) + : getTypeFromArrayBindingPattern(pattern, includePatternInType); + } + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + if (declaration.kind === 248) { + return type; + } + return getWidenedType(type); + } + type = declaration.dotDotDotToken ? anyArrayType : anyType; + if (reportErrors && compilerOptions.noImplicitAny) { + var root = ts.getRootDeclaration(declaration); + if (!isPrivateWithinAmbient(root) && !(root.kind === 139 && isPrivateWithinAmbient(root.parent))) { + reportImplicitAnyError(declaration, type); + } + } + return type; + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (symbol.flags & 134217728) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + var declaration = symbol.valueDeclaration; + if (declaration.parent.kind === 247) { + return links.type = anyType; + } + if (declaration.kind === 230) { + return links.type = checkExpression(declaration.expression); + } + if (declaration.kind === 184) { + return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); + } + if (declaration.kind === 169) { + if (declaration.parent.kind === 184) { + return links.type = checkExpressionCached(declaration.parent.right); + } + } + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var type = getWidenedTypeForVariableLikeDeclaration(declaration, true); + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; + } + return links.type; + } + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 146) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; + } + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (!pushTypeResolution(symbol, 0)) { + return unknownType; + } + var getter = ts.getDeclarationOfKind(symbol, 146); + var setter = ts.getDeclarationOfKind(symbol, 147); + var type = void 0; + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 146); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + } + } + links.type = type; + } + return links.type; + } + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = createObjectType(65536, symbol); + } + return links.type; + } + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + } + return links.type; + } + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + links.type = targetSymbol.flags & 107455 + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; + } + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; + } + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216) { + return getTypeOfInstantiatedSymbol(symbol); + } + if (symbol.flags & (3 | 4)) { + return getTypeOfVariableOrParameterOrProperty(symbol); + } + if (symbol.flags & (16 | 8192 | 32 | 384 | 512)) { + return getTypeOfFuncClassEnumModule(symbol); + } + if (symbol.flags & 8) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608) { + return getTypeOfAlias(symbol); + } + return unknownType; + } + function getTargetType(type) { + return type.flags & 4096 ? type.target : type; + } + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); + } + } + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; + } + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 217 || node.kind === 189 || + node.kind === 216 || node.kind === 176 || + node.kind === 144 || node.kind === 177) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } + } + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218); + return appendOuterTypeParameters(undefined, declaration); + } + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 218 || node.kind === 217 || + node.kind === 189 || node.kind === 219) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } + return result; + } + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + } + function isConstructorType(type) { + return type.flags & 80896 && getSignaturesOfType(type, 1).length > 0; + } + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + } + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + } + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; + } + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 80896) { + resolveStructuredTypeMembers(baseConstructorType); + } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; + } + return type.resolvedBaseConstructorType; + } + function getBaseTypes(type) { + var isClass = type.symbol.flags & 32; + var isInterface = type.symbol.flags & 64; + if (!type.resolvedBaseTypes) { + if (!isClass && !isInterface) { + ts.Debug.fail("type must be class or interface"); + } + if (isClass) { + resolveBaseTypesOfClass(type); + } + if (isInterface) { + resolveBaseTypesOfInterface(type); + } + } + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 80896)) { + return; + } + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 && + areAllOuterTypeParametersApplied(originalBaseType)) { + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + } + else { + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; + } + baseType = getReturnTypeOfSignature(constructors[0]); + } + if (baseType === unknownType) { + return; + } + if (!(getTargetType(baseType).flags & (1024 | 2048))) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getTargetType(baseType).flags & (1024 | 2048)) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, undefined, 1)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } + } + } + } + } + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218) { + if (declaration.flags & 262144) { + return false; + } + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isSupportedExpressionWithTypeArguments(node)) { + var baseSymbol = resolveEntityName(node.expression, 793056, true); + if (!baseSymbol || !(baseSymbol.flags & 64) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } + } + } + } + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 ? 1024 : 2048; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (outerTypeParameters || localTypeParameters || kind === 1024 || !isIndependentInterface(symbol)) { + type.flags |= 4096; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = {}; + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(512 | 33554432); + type.thisType.symbol = symbol; + type.thisType.constraint = type; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + if (!pushTypeResolution(symbol, 2)) { + return unknownType; + } + var declaration = ts.getDeclarationOfKind(symbol, 219); + var type = getTypeFromTypeNode(declaration.type); + if (popTypeResolution()) { + links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (links.typeParameters) { + links.instantiations = {}; + links.instantiations[getTypeListId(links.typeParameters)] = type; + } + } + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(128); + type.symbol = symbol; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(512); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 138).constraint) { + type.constraint = noConstraintType; + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216) === 0); + if (symbol.flags & (32 | 64)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 384) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 262144) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 8388608) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; + } + } + } + return true; + } + function isIndependentType(node) { + switch (node.kind) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 163: + return true; + case 157: + return isIndependentType(node.elementType); + case 152: + return isIndependentTypeReference(node); + } + return false; + } + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 145 && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; + } + } + return true; + } + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 142: + case 141: + return isIndependentVariableLikeDeclaration(declaration); + case 144: + case 143: + case 145: + return isIndependentFunctionLikeDeclaration(declaration); + } + } + } + return false; + } + function createSymbolTable(symbols) { + var result = {}; + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = {}; + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!ts.hasProperty(symbols, s.name)) { + symbols[s.name] = s; + } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0); + type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (type.flags & 4096) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper = identityMapper; + var members = source.symbol.members; + var callSignatures = source.declaredCallSignatures; + var constructSignatures = source.declaredConstructSignatures; + var stringIndexType = source.declaredStringIndexType; + var numberIndexType = source.declaredNumberIndexType; + if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexType = instantiateType(source.declaredStringIndexType, mapper); + numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); + } + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1)); + stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0); + numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1); + } + } + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasStringLiterals = hasStringLiterals; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, undefined, 0, false, false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); + } + } + return result; + } + function createTupleTypeMemberSymbols(memberTypes) { + var members = {}; + for (var i = 0; i < memberTypes.length; i++) { + var symbol = createSymbol(4 | 67108864, "" + i); + symbol.type = memberTypes[i]; + members[i] = symbol; + } + return members; + } + function resolveTupleTypeMembers(type) { + var arrayElementType = getUnionType(type.elementTypes, true); + var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); + var members = createTupleTypeMemberSymbols(type.elementTypes); + addInheritedMembers(members, arrayType.properties); + setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { + return s; + } + } + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + if (listIndex > 0) { + return undefined; + } + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, false, false)) { + return undefined; + } + } + return [signature]; + } + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, true, true); + if (!match) { + return undefined; + } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); + } + } + return result; + } + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + if (!result || !findMatchingSignature(result, signature, false, true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); + } + } + } + } + return result || emptyArray; + } + function getUnionIndexType(types, kind) { + var indexTypes = []; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexType = getIndexTypeOfType(type, kind); + if (!indexType) { + return undefined; + } + indexTypes.push(indexType); + } + return getUnionType(indexTypes); + } + function resolveUnionTypeMembers(type) { + var callSignatures = getUnionSignatures(type.types, 0); + var constructSignatures = getUnionSignatures(type.types, 1); + var stringIndexType = getUnionIndexType(type.types, 0); + var numberIndexType = getUnionIndexType(type.types, 1); + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function resolveIntersectionTypeMembers(type) { + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexType = undefined; + var numberIndexType = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1)); + stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0)); + numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1)); + } + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1), type.mapper, instantiateSignature); + var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0), type.mapper); + var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1), type.mapper); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else if (symbol.flags & 2048) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexType = getIndexTypeOfSymbol(symbol, 0); + var numberIndexType = getIndexTypeOfSymbol(symbol, 1); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else { + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952) { + members = getExportsOfSymbol(symbol); + } + if (symbol.flags & 32) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 80896) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); + } + } + var numberIndexType = (symbol.flags & 384) ? stringType : undefined; + setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); + if (symbol.flags & (16 | 8192)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } + } + } + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 4096) { + resolveTypeReferenceMembers(type); + } + else if (type.flags & (1024 | 2048)) { + resolveClassOrInterfaceMembers(type); + } + else if (type.flags & 65536) { + resolveAnonymousTypeMembers(type); + } + else if (type.flags & 8192) { + resolveTupleTypeMembers(type); + } + else if (type.flags & 16384) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 32768) { + resolveIntersectionTypeMembers(type); + } + } + return type; + } + function getPropertiesOfObjectType(type) { + if (type.flags & 80896) { + return resolveStructuredTypeMembers(type).properties; + } + return emptyArray; + } + function getPropertyOfObjectType(type, name) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + } + } + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getPropertyOfUnionOrIntersectionType(type, prop.name); + } + if (type.flags & 16384) { + break; + } + } + return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; + } + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 49152 ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + } + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 512) { + constraintType = getConstraintOfTypeParameter(constraintType); + } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + } + return type.resolvedApparentType; + } + function getApparentType(type) { + if (type.flags & 512) { + type = getApparentTypeOfTypeParameter(type); + } + if (type.flags & 258) { + type = globalStringType; + } + else if (type.flags & 132) { + type = globalNumberType; + } + else if (type.flags & 8) { + type = globalBooleanType; + } + else if (type.flags & 16777216) { + type = globalESSymbolType; + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + var commonFlags = (containingType.flags & 32768) ? 536870912 : 0; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 | 32))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; + } + else if (!ts.contains(props, prop)) { + props.push(prop); + } + } + else if (containingType.flags & 16384) { + return undefined; + } + } + } + if (!props) { + return undefined; + } + if (props.length === 1) { + return props[0]; + } + var propTypes = []; + var declarations = []; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + propTypes.push(getTypeOfSymbol(prop)); + } + var result = createSymbol(4 | + 67108864 | + 268435456 | + commonFlags, name); + result.containingType = containingType; + result.declarations = declarations; + result.type = containingType.flags & 16384 ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getPropertyOfUnionOrIntersectionType(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = {}); + if (ts.hasProperty(properties, name)) { + return properties[name]; + } + var property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } + return property; + } + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol = getPropertyOfObjectType(globalFunctionType, name); + if (symbol) { + return symbol; + } + } + return getPropertyOfObjectType(globalObjectType, name); + } + if (type.flags & 49152) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; + } + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 130048) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.callSignatures : resolved.constructSignatures; + } + return emptyArray; + } + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfStructuredType(type, kind) { + if (type.flags & 130048) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 ? resolved.stringIndexType : resolved.numberIndexType; + } + } + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.parserContextFlags & 32) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); + } + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); + } + } + return result; + } + function isOptionalParameter(node) { + if (node.parserContextFlags & 32) { + if (node.type && node.type.kind === 263) { + return true; + } + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 263; + } + } + } + if (ts.hasQuestionToken(node)) { + return true; + } + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; + } + return false; + } + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 69) { + var parameterName = node.parameterName; + return { + kind: 1, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; + } + else { + return { + kind: 0, + type: getTypeFromTypeNode(node.type) + }; + } + } + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var classType = declaration.kind === 145 ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var parameters = []; + var hasStringLiterals = false; + var minArgumentCount = -1; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + var returnType = undefined; + var typePredicate = undefined; + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + if (paramSymbol && !!(paramSymbol.flags & 4) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455, undefined, undefined); + paramSymbol = resolvedSymbol; + } + parameters.push(paramSymbol); + if (param.type && param.type.kind === 163) { + hasStringLiterals = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken) { + if (minArgumentCount < 0) { + minArgumentCount = i; + } + } + else { + minArgumentCount = -1; + } + } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length; + } + if (isJSConstructSignature) { + minArgumentCount--; + returnType = getTypeFromTypeNode(declaration.parameters[0].type); + } + else if (classType) { + returnType = classType; + } + else if (declaration.type) { + returnType = getTypeFromTypeNode(declaration.type); + if (declaration.type.kind === 151) { + typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); + } + } + else { + if (declaration.parserContextFlags & 32) { + var type = getReturnTypeFromJSDocComment(declaration); + if (type && type !== unknownType) { + returnType = type; + } + } + if (declaration.kind === 146 && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 147); + returnType = getAnnotatedAccessorType(setter); + } + if (!returnType && ts.nodeIsMissing(declaration.body)) { + returnType = anyType; + } + } + links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); + } + return links.resolvedSignature; + } + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 153: + case 154: + case 216: + case 144: + case 143: + case 145: + case 148: + case 149: + case 150: + case 146: + case 147: + case 176: + case 177: + case 264: + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); + } + } + return result; + } + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); + } + } + return anyType; + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3)) { + return unknownType; + } + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); + } + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); + } + else { + type = getReturnTypeFromBody(signature.declaration); + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } + } + signature.resolvedReturnType = type; + } + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (type.flags & 4096 && type.target === globalArrayType) { + return type.typeArguments[0]; + } + } + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + if (signature.target) { + signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); + } + else { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), true); + } + } + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 145 || signature.declaration.kind === 149; + var type = createObjectType(65536 | 262144); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; + } + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 ? 128 : 130; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; + } + } + } + } + return undefined; + } + function getIndexTypeOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + return declaration + ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType + : undefined; + } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 138).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && !(type.flags & 33554432) && type.flags & 512 && !ts.contains(checked, type)) { + if (type === target) { + return true; + } + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; + } + typeParameter.constraint = constraint; + } + } + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + } + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138).parent); + } + function getTypeListId(types) { + if (types) { + switch (types.length) { + case 1: + return "" + types[0].id; + case 2: + return types[0].id + "," + types[1].id; + default: + var result = ""; + for (var i = 0; i < types.length; i++) { + if (i > 0) { + result += ","; + } + result += types[i].id; + } + return result; + } + } + return ""; + } + function getPropagatingFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + result |= type.flags; + } + return result & 14680064; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + var flags = 4096 | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); + type = target.instantiations[id] = createObjectType(flags, target.symbol); + type.target = target; + type.typeArguments = typeArguments; + } + return type; + } + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, undefined, 1), typeParameters.length); + return unknownType; + } + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; + } + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; + } + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return type; + } + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return getDeclaredTypeOfSymbol(symbol); + } + function getTypeReferenceName(node) { + switch (node.kind) { + case 152: + return node.typeName; + case 262: + return node.name; + case 191: + if (ts.isSupportedExpressionWithTypeArguments(node)) { + return node.expression; + } + } + return undefined; + } + function resolveTypeReferenceName(node, typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; + } + return resolveEntityName(typeReferenceName, 793056) || unknownSymbol; + } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; + } + if (symbol.flags & (32 | 64)) { + return getTypeFromClassOrInterfaceReference(node, symbol); + } + if (symbol.flags & 524288) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 && node.kind === 262) { + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 262) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(node, typeReferenceName); + type = getTypeReferenceType(node, symbol); + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + else { + var typeNameOrExpression = node.kind === 152 ? node.typeName : + ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : + undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 | 64) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); + } + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + return links.resolvedType; + } + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getWidenedType(checkExpression(node.exprName)); + } + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 217: + case 218: + case 220: + return declaration; + } + } + } + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 80896)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; + } + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455, ts.Diagnostics.Cannot_find_global_value_0); + } + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793056, ts.Diagnostics.Cannot_find_global_type_0); + } + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); + } + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + } + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1536, undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function getGlobalESSymbolConstructorSymbol() { + return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); + } + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(globalIterableType, [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); + } + return links.resolvedType; + } + function createTupleType(elementTypes) { + var id = getTypeListId(elementTypes); + return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); + } + function createNewTupleType(elementTypes) { + var type = createObjectType(8192 | getPropagatingFlagsOfTypes(elementTypes)); + type.elementTypes = elementTypes; + return type; + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function addTypeToSet(typeSet, type, typeSetKind) { + if (type.flags & typeSetKind) { + addTypesToSet(typeSet, type.types, typeSetKind); + } + else if (!ts.contains(typeSet, type)) { + typeSet.push(type); + } + } + function addTypesToSet(typeSet, types, typeSetKind) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToSet(typeSet, type, typeSetKind); + } + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } + } + return false; + } + function removeSubtypes(types) { + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + types.splice(i, 1); + } + } + } + function containsTypeAny(types) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var type = types_5[_i]; + if (isTypeAny(type)) { + return true; + } + } + return false; + } + function removeAllButLast(types, typeToRemove) { + var i = types.length; + while (i > 0 && types.length > 1) { + i--; + if (types[i] === typeToRemove) { + types.splice(i, 1); + } + } + } + function getUnionType(types, noSubtypeReduction) { + if (types.length === 0) { + return emptyUnionType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 16384); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (noSubtypeReduction) { + removeAllButLast(typeSet, undefinedType); + removeAllButLast(typeSet, nullType); + } + else { + removeSubtypes(typeSet); + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = unionTypes[id]; + if (!type) { + type = unionTypes[id] = createObjectType(16384 | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromUnionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), true); + } + return links.resolvedType; + } + function getIntersectionType(types) { + if (types.length === 0) { + return emptyObjectType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 32768); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + type = intersectionTypes[id] = createObjectType(32768 | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromIntersectionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createObjectType(65536, node.symbol); + } + return links.resolvedType; + } + function getStringLiteralTypeForText(text) { + if (ts.hasProperty(stringLiteralTypes, text)) { + return stringLiteralTypes[text]; + } + var type = stringLiteralTypes[text] = createType(256); + type.text = text; + return type; + } + function getTypeFromStringLiteralTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getStringLiteralTypeForText(node.text); + } + return links.resolvedType; + } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; + } + return links.resolvedType; + } + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNode); + links.resolvedType = createTupleType(types); + } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 218)) { + if (!(container.flags & 64) && + (container.kind !== 145 || ts.isNodeDescendentOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + } + } + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); + } + return links.resolvedType; + } + function getTypeFromTypeNode(node) { + switch (node.kind) { + case 117: + case 253: + case 254: + return anyType; + case 130: + return stringType; + case 128: + return numberType; + case 120: + return booleanType; + case 131: + return esSymbolType; + case 103: + return voidType; + case 162: + return getTypeFromThisTypeNode(node); + case 163: + return getTypeFromStringLiteralTypeNode(node); + case 152: + case 262: + return getTypeFromTypeReference(node); + case 151: + return booleanType; + case 191: + return getTypeFromTypeReference(node); + case 155: + return getTypeFromTypeQueryNode(node); + case 157: + case 255: + return getTypeFromArrayTypeNode(node); + case 158: + return getTypeFromTupleTypeNode(node); + case 159: + case 256: + return getTypeFromUnionTypeNode(node); + case 160: + return getTypeFromIntersectionTypeNode(node); + case 161: + case 258: + case 259: + case 266: + case 267: + case 263: + return getTypeFromTypeNode(node.type); + case 153: + case 154: + case 156: + case 264: + case 260: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + case 69: + case 136: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 257: + return getTypeFromJSDocTupleType(node); + case 265: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; + } + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; + } + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createTypeMapper(sources, targets) { + switch (sources.length) { + case 1: return createUnaryTypeMapper(sources[0], targets[0]); + case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); + } + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets[i]; + } + } + return t; + }; + } + function createUnaryTypeEraser(source) { + return function (t) { return t === source ? anyType : t; }; + } + function createBinaryTypeEraser(source1, source2) { + return function (t) { return t === source1 || t === source2 ? anyType : t; }; + } + function createTypeEraser(sources) { + switch (sources.length) { + case 1: return createUnaryTypeEraser(sources[0]); + case 2: return createBinaryTypeEraser(sources[0], sources[1]); + } + return function (t) { + for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { + var source = sources_1[_i]; + if (t === source) { + return anyType; + } + } + return t; + }; + } + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); + } + } + return t; + }; + mapper.context = context; + context.mapper = mapper; + } + return context.mapper; + } + function identityMapper(type) { + return type; + } + function combineTypeMappers(mapper1, mapper2) { + return function (t) { return instantiateType(mapper1(t), mapper2); }; + } + function cloneTypeParameter(typeParameter) { + var result = createType(512); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; + } + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; + } + else { + return { + kind: 0, + type: instantiateType(predicate.type, mapper) + }; + } + } + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; + } + } + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); + result.target = signature; + result.mapper = mapper; + return result; + } + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216) { + var links = getSymbolLinks(symbol); + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); + } + var result = createSymbol(16777216 | 67108864 | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; + } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; + } + } + else { + mapper.instantiations = []; + } + var result = createObjectType(65536 | 131072, type.symbol); + result.target = type; + result.mapper = mapper; + mapper.instantiations[type.id] = result; + return result; + } + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 512) { + return mapper(type); + } + if (type.flags & 65536) { + return type.symbol && type.symbol.flags & (16 | 8192 | 32 | 2048 | 4096) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.flags & 4096) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + if (type.flags & 8192) { + return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); + } + if (type.flags & 16384) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), true); + } + if (type.flags & 32768) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); + } + } + return type; + } + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 176: + case 177: + return isContextSensitiveFunctionLikeDeclaration(node); + case 168: + return ts.forEach(node.properties, isContextSensitive); + case 167: + return ts.forEach(node.elements, isContextSensitive); + case 185: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 184: + return node.operatorToken.kind === 52 && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 248: + return isContextSensitive(node.initializer); + case 144: + case 143: + return isContextSensitiveFunctionLikeDeclaration(node); + case 175: + return isContextSensitive(node.expression); + } + return false; + } + function isContextSensitiveFunctionLikeDeclaration(node) { + return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(65536, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; + } + } + return type; + } + function isTypeIdenticalTo(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, undefined); + } + function compareTypesIdentical(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, undefined) ? -1 : 0; + } + function compareTypesAssignable(source, target) { + return checkTypeRelatedTo(source, target, assignableRelation, undefined) ? -1 : 0; + } + function isTypeSubtypeOf(source, target) { + return checkTypeSubtypeOf(source, target, undefined); + } + function isTypeAssignableTo(source, target) { + return checkTypeAssignableTo(source, target, undefined); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, false, undefined, compareTypesAssignable) !== 0; + } + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + if (source === target) { + return -1; + } + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0; + } + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(t, s, false) || compareTypes(s, t, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0; + } + result &= related; + } + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); + } + return 0; + } + } + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } + } + return result; + } + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; + } + if (source.kind === 1) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0; + } + } + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return related; + } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, undefined) + || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, undefined)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, true); + } + return false; + } + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + } + else { + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + } + } + else { + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; + } + } + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + } + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + } + return result !== 0; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + } + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, undefined, 128); + targetType = typeToString(target, undefined, 128); + } + reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); + } + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + if (source === target) + return -1; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isTypeAny(target)) + return -1; + if (source === undefinedType) + return -1; + if (source === nullType && target !== undefinedType) + return -1; + if (source.flags & 128 && target === numberType) + return -1; + if (source.flags & 128 && target.flags & 128) { + if (result = enumRelatedTo(source, target)) { + return result; + } + } + if (source.flags & 256 && target === stringType) + return -1; + if (relation === assignableRelation) { + if (isTypeAny(source)) + return -1; + if (source === numberType && target.flags & 128) + return -1; + } + if (source.flags & 8 && target.flags & 8) { + return -1; + } + if (source.flags & 1048576) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + if (target.flags & 49152) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + if (source.flags & 16384) { + if (result = eachTypeRelatedToType(source, target, reportErrors)) { + return result; + } + } + else if (target.flags & 32768) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else { + if (source.flags & 32768) { + if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384))) { + return result; + } + } + if (target.flags & 16384) { + if (result = typeRelatedToSomeType(source, target, reportErrors)) { + return result; + } + } + } + if (source.flags & 512) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1) { + constraint = emptyObjectType; + } + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + else { + if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + var apparentSource = getApparentType(source); + if (apparentSource.flags & (80896 | 32768) && target.flags & 80896) { + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + } + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0; + } + function isIdenticalTo(source, target) { + var result; + if (source.flags & 80896 && target.flags & 80896) { + if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + if (result = typeArgumentsRelatedTo(source, target, false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, false); + } + if (source.flags & 16384 && target.flags & 16384 || + source.flags & 32768 && target.flags & 32768) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } + } + return 0; + } + function isKnownProperty(type, name) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || + resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 49152) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } + } + return false; + } + function hasExcessProperties(source, target, reportErrors) { + if (!(target.flags & 67108864) && someConstituentTypeHasKind(target, 80896)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } + return false; + } + function eachTypeRelatedToSomeType(source, target) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, false); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + for (var i = 0, len = targetTypes.length; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; + } + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + for (var i = 0, len = sourceTypes.length; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0; + } + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2) { + relation[id] = 3; + } + else { + return related === 1 ? -1 : 0; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + if (maybeStack[i][id]) { + return 1; + } + } + if (depth === 100) { + overflow = true; + return 0; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = {}; + maybeStack[depth][id] = 1; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1, reportErrors); + if (result) { + result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); + if (result) { + result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); + } + } + } + } + } + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + var destinationCache = (result === -1 || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyMap(maybeCache, destinationCache); + } + else { + relation[id] = reportErrors ? 3 : 2; + } + return result; + } + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288); + for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { + var targetProp = properties_1[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0; + } + } + else if (!(targetProp.flags & 134217728)) { + var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); + if (sourcePropFlags & 16 || targetPropFlags & 16) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 16 && targetPropFlags & 16) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 ? source : target), typeToString(sourcePropFlags & 16 ? target : source)); + } + } + return 0; + } + } + else if (targetPropFlags & 32) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0; + } + } + else if (sourcePropFlags & 32) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0; + } + result &= related; + if (sourceProp.flags & 536870912 && !(targetProp.flags & 536870912)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0; + } + } + } + } + return result; + } + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 80896 && target.flags & 80896)) { + return 0; + } + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0; + } + var result = -1; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 && sourceSignatures.length && targetSignatures.length && + isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + return 0; + } + var result = -1; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + if (!t.hasStringLiterals || target.flags & 262144) { + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + if (!s.hasStringLiterals || source.flags & 262144) { + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + } + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, undefined, undefined, kind)); + } + return 0; + } + } + return result; + } + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, false, reportErrors, reportError, isRelatedTo); + } + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0; + } + var result = -1; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], false, false, isRelatedTo); + if (!related) { + return 0; + } + result &= related; + } + return result; + } + function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(0, source, target); + } + var targetType = getIndexTypeOfType(target, 0); + if (targetType) { + if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { + return -1; + } + var sourceType = getIndexTypeOfType(source, 0); + if (!sourceType) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; + } + var related = isRelatedTo(sourceType, targetType, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0; + } + return related; + } + return -1; + } + function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(1, source, target); + } + var targetType = getIndexTypeOfType(target, 1); + if (targetType) { + if ((targetType.flags & 1) && !(originalSource.flags & 16777726)) { + return -1; + } + var sourceStringType = getIndexTypeOfType(source, 0); + var sourceNumberType = getIndexTypeOfType(source, 1); + if (!(sourceStringType || sourceNumberType)) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0; + } + var related = void 0; + if (sourceStringType && sourceNumberType) { + related = isRelatedTo(sourceStringType, targetType, false) || isRelatedTo(sourceNumberType, targetType, reportErrors); + } + else { + related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); + } + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0; + } + return related; + } + return -1; + } + function indexTypesIdenticalTo(indexKind, source, target) { + var targetType = getIndexTypeOfType(target, indexKind); + var sourceType = getIndexTypeOfType(source, indexKind); + if (!sourceType && !targetType) { + return -1; + } + if (sourceType && targetType) { + return isRelatedTo(sourceType, targetType); + } + return 0; + } + function enumRelatedTo(source, target) { + if (source.symbol.name !== target.symbol.name || + source.symbol.flags & 128 || + target.symbol.flags & 128) { + return 0; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8)) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, undefined, 128)); + return 0; + } + } + } + return -1; + } + } + function isAbstractConstructorType(type) { + if (type.flags & 65536) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && declaration.flags & 128) { + return true; + } + } + } + return false; + } + function isDeeplyNestedGeneric(type, stack, depth) { + if (type.flags & (4096 | 131072) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (t.flags & (4096 | 131072) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } + } + return false; + } + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0; + } + function compareProperties(sourceProp, targetProp, compareTypes) { + if (sourceProp === targetProp) { + return -1; + } + var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 | 32); + var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 | 32); + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0; + } + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0; + } + } + else { + if ((sourceProp.flags & 536870912) !== (targetProp.flags & 536870912)) { + return 0; + } + } + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; + } + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || + source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { + return true; + } + return false; + } + function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { + if (source === target) { + return -1; + } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0; + } + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0; + } + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1; + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0; + } + result &= related; + } + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + return result; + } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + if (candidate !== type && !isTypeSubtypeOf(type, candidate)) + return false; + } + return true; + } + function getCommonSupertype(types) { + return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } + } + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; + } + if (bestSupertypeScore === types.length - 1) { + break; + } + } + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return type.flags & 4096 && type.target === globalArrayType; + } + function isArrayLikeType(type) { + return !(type.flags & (32 | 64)) && isTypeAssignableTo(type, anyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isStringLiteralType(type) { + return type.flags & 256; + } + function isTupleType(type) { + return !!(type.flags & 8192); + } + function getRegularTypeOfObjectLiteral(type) { + if (type.flags & 1048576) { + var regularType = type.regularType; + if (!regularType) { + regularType = createType(type.flags & ~1048576); + regularType.symbol = type.symbol; + regularType.members = type.members; + regularType.properties = type.properties; + regularType.callSignatures = type.callSignatures; + regularType.constructSignatures = type.constructSignatures; + regularType.stringIndexType = type.stringIndexType; + regularType.numberIndexType = type.numberIndexType; + type.regularType = regularType; + } + return regularType; + } + return type; + } + function getWidenedTypeOfObjectLiteral(type) { + var properties = getPropertiesOfObjectType(type); + var members = {}; + ts.forEach(properties, function (p) { + var propType = getTypeOfSymbol(p); + var widenedType = getWidenedType(propType); + if (propType !== widenedType) { + var symbol = createSymbol(p.flags | 67108864, p.name); + symbol.declarations = p.declarations; + symbol.parent = p.parent; + symbol.type = widenedType; + symbol.target = p; + if (p.valueDeclaration) + symbol.valueDeclaration = p.valueDeclaration; + p = symbol; + } + members[p.name] = p; + }); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType) + stringIndexType = getWidenedType(stringIndexType); + if (numberIndexType) + numberIndexType = getWidenedType(numberIndexType); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); + } + function getWidenedType(type) { + if (type.flags & 6291456) { + if (type.flags & (32 | 64)) { + return anyType; + } + if (type.flags & 524288) { + return getWidenedTypeOfObjectLiteral(type); + } + if (type.flags & 16384) { + return getUnionType(ts.map(type.types, getWidenedType), true); + } + if (isArrayType(type)) { + return createArrayType(getWidenedType(type.typeArguments[0])); + } + if (isTupleType(type)) { + return createTupleType(ts.map(type.elementTypes, getWidenedType)); + } + } + return type; + } + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 16384) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (isArrayType(type)) { + return reportWideningErrorsInType(type.typeArguments[0]); + } + if (isTupleType(type)) { + for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (type.flags & 524288) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 2097152) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); + } + errorReported = true; + } + } + } + return errorReported; + } + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { + case 142: + case 141: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 139: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 216: + case 144: + case 143: + case 146: + case 147: + case 176: + case 177: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; + } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); + } + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152) { + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } + } + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = sourceMax > targetMax ? sourceMax : targetMax; + sourceMax--; + targetMax--; + } + else if (source.hasRestParameter) { + sourceMax--; + count = targetMax; + } + else if (target.hasRestParameter) { + targetMax--; + count = sourceMax; + } + else { + count = sourceMax < targetMax ? sourceMax : targetMax; + } + for (var i = 0; i < count; i++) { + var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); + callback(s, t); + } + } + function createInferenceContext(typeParameters, inferUnionTypes) { + var inferences = ts.map(typeParameters, createTypeInferencesObject); + return { + typeParameters: typeParameters, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(typeParameters.length) + }; + } + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + isFixed: false + }; + } + function inferTypes(context, source, target) { + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + inferFromTypes(source, target); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; + } + function inferFromTypes(source, target) { + if (source.flags & 16384 && target.flags & 16384 || + source.flags & 32768 && target.flags & 32768) { + var matchingTypes = void 0; + for (var _i = 0, _a = target.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (typeIdenticalToSomeType(t, source.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + } + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 512) { + if (source.flags & 8388608) { + return; + } + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + } + return; + } + } + } + else if (source.flags & 4096 && target.flags & 4096 && source.target === target.target) { + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (source.flags & 8192 && target.flags & 8192 && source.elementTypes.length === target.elementTypes.length) { + var sourceTypes = source.elementTypes; + var targetTypes = target.elementTypes; + for (var i = 0; i < sourceTypes.length; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 49152) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { + var t = targetTypes_2[_b]; + if (t.flags & 512 && ts.contains(context.typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + if (target.flags & 16384 && typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 49152) { + var sourceTypes = source.types; + for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { + var sourceType = sourceTypes_3[_c]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 80896 && (target.flags & 4096 && target.typeArguments || + target.flags & 8192 || + target.flags & 65536 && target.symbol && target.symbol.flags & (8192 | 2048 | 32))) { + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0); + inferFromSignatures(source, target, 1); + inferFromIndexTypes(source, target, 0, 0); + inferFromIndexTypes(source, target, 1, 1); + inferFromIndexTypes(source, target, 0, 1); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target, sourceKind, targetKind) { + var targetIndexType = getIndexTypeOfType(target, targetKind); + if (targetIndexType) { + var sourceIndexType = getIndexTypeOfType(source, sourceKind); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetIndexType); + } + } + } + } + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } + } + return false; + } + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); + } + } + return type.flags & 16384 ? getUnionType(reducedTypes, true) : getIntersectionType(reducedTypes); + } + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; + } + else { + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } + } + } + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + context.failedTypeParameterIndex = index; + } + } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 | 1048576, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; + } + return links.resolvedSymbol; + } + function isInTypeQuery(node) { + while (node) { + switch (node.kind) { + case 155: + return true; + case 69: + case 136: + node = node.parent; + continue; + default: + return false; + } + } + ts.Debug.fail("should not get here"); + } + function hasInitializer(node) { + return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); + } + function isVariableAssignedWithin(symbol, node) { + var links = getNodeLinks(node); + if (links.assignmentChecks) { + var cachedResult = links.assignmentChecks[symbol.id]; + if (cachedResult !== undefined) { + return cachedResult; + } + } + else { + links.assignmentChecks = {}; + } + return links.assignmentChecks[symbol.id] = isAssignedIn(node); + function isAssignedInBinaryExpression(node) { + if (node.operatorToken.kind >= 56 && node.operatorToken.kind <= 68) { + var n = skipParenthesizedNodes(node.left); + if (n.kind === 69 && getResolvedSymbol(n) === symbol) { + return true; + } + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedInVariableDeclaration(node) { + if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { + return true; + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedIn(node) { + switch (node.kind) { + case 184: + return isAssignedInBinaryExpression(node); + case 214: + case 166: + return isAssignedInVariableDeclaration(node); + case 164: + case 165: + case 167: + case 168: + case 169: + case 170: + case 171: + case 172: + case 174: + case 192: + case 175: + case 182: + case 178: + case 181: + case 179: + case 180: + case 183: + case 187: + case 185: + case 188: + case 195: + case 196: + case 198: + case 199: + case 200: + case 201: + case 202: + case 203: + case 204: + case 207: + case 208: + case 209: + case 244: + case 245: + case 210: + case 211: + case 212: + case 247: + case 236: + case 237: + case 241: + case 242: + case 238: + case 243: + return ts.forEachChild(node, isAssignedIn); + } + return false; + } + } + function getNarrowedTypeOfSymbol(symbol, node) { + var type = getTypeOfSymbol(symbol); + if (node && symbol.flags & 3) { + if (isTypeAny(type) || type.flags & (80896 | 16384 | 512)) { + var declaration = ts.getDeclarationOfKind(symbol, 214); + var top_1 = declaration && getDeclarationContainer(declaration); + var originalType = type; + var nodeStack = []; + loop: while (node.parent) { + var child = node; + node = node.parent; + switch (node.kind) { + case 199: + case 185: + case 184: + nodeStack.push({ node: node, child: child }); + break; + case 251: + case 221: + break loop; + } + if (node === top_1) { + break; + } + } + var nodes = void 0; + while (nodes = nodeStack.pop()) { + var node_1 = nodes.node, child = nodes.child; + switch (node_1.kind) { + case 199: + if (child !== node_1.expression) { + type = narrowType(type, node_1.expression, child === node_1.thenStatement); + } + break; + case 185: + if (child !== node_1.condition) { + type = narrowType(type, node_1.condition, child === node_1.whenTrue); + } + break; + case 184: + if (child === node_1.right) { + if (node_1.operatorToken.kind === 51) { + type = narrowType(type, node_1.left, true); + } + else if (node_1.operatorToken.kind === 52) { + type = narrowType(type, node_1.left, false); + } + } + break; + default: + ts.Debug.fail("Unreachable!"); + } + if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { + type = originalType; + } + } + if (type === emptyUnionType) { + type = originalType; + } + } + } + return type; + function narrowTypeByEquality(type, expr, assumeTrue) { + if (expr.left.kind !== 179 || expr.right.kind !== 9) { + return type; + } + var left = expr.left; + var right = expr.right; + if (left.expression.kind !== 69 || getResolvedSymbol(left.expression) !== symbol) { + return type; + } + if (expr.operatorToken.kind === 33) { + assumeTrue = !assumeTrue; + } + var typeInfo = primitiveTypeInfo[right.text]; + if (typeInfo && typeInfo.type === undefinedType) { + return type; + } + var flags; + if (typeInfo) { + flags = typeInfo.flags; + } + else { + assumeTrue = !assumeTrue; + flags = 132 | 258 | 16777216 | 8; + } + if (!(type.flags & 16384)) { + if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { + return typeInfo.type; + } + return filterUnion(type) ? type : emptyUnionType; + } + return getUnionType(ts.filter(type.types, filterUnion), true); + function filterUnion(type) { + return assumeTrue === !!(type.flags & flags); + } + } + function narrowTypeByAnd(type, expr, assumeTrue) { + if (assumeTrue) { + return narrowType(narrowType(type, expr.left, true), expr.right, true); + } + else { + return getUnionType([ + narrowType(type, expr.left, false), + narrowType(type, expr.right, false) + ]); + } + } + function narrowTypeByOr(type, expr, assumeTrue) { + if (assumeTrue) { + return getUnionType([ + narrowType(type, expr.left, true), + narrowType(type, expr.right, true) + ]); + } + else { + return narrowType(narrowType(type, expr.left, false), expr.right, false); + } + } + function narrowTypeByInstanceof(type, expr, assumeTrue) { + if (isTypeAny(type) || expr.left.kind !== 69 || getResolvedSymbol(expr.left) !== symbol) { + return type; + } + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; + } + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; + } + } + if (!targetType) { + var constructSignatures = void 0; + if (rightType.flags & 2048) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (rightType.flags & 65536) { + constructSignatures = getSignaturesOfType(rightType, 1); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } + } + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; + } + function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { + if (!assumeTrue) { + if (originalType.flags & 16384) { + return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); + } + return originalType; + } + if (originalType.flags & 16384) { + var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); + if (assignableConstituents.length) { + return getUnionType(assignableConstituents); + } + } + if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { + return narrowedTypeCandidate; + } + return originalType; + } + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (type.flags & 1) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + if (callExpression.arguments[predicate.parameterIndex] && + getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); + } + return type; + } + function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { + if (invokedExpression.kind === 170 || invokedExpression.kind === 169) { + var accessExpression = invokedExpression; + var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); + if (possibleIdentifier.kind === 69 && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + return type; + } + function getSymbolAtTypePredicatePosition(expr) { + expr = skipParenthesizedNodes(expr); + switch (expr.kind) { + case 69: + case 169: + return getSymbolOfEntityNameOrPropertyAccessExpression(expr); + } + } + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 171: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 175: + return narrowType(type, expr.expression, assumeTrue); + case 184: + var operator = expr.operatorToken.kind; + if (operator === 32 || operator === 33) { + return narrowTypeByEquality(type, expr, assumeTrue); + } + else if (operator === 51) { + return narrowTypeByAnd(type, expr, assumeTrue); + } + else if (operator === 52) { + return narrowTypeByOr(type, expr, assumeTrue); + } + else if (operator === 91) { + return narrowTypeByInstanceof(type, expr, assumeTrue); + } + break; + case 182: + if (expr.operator === 49) { + return narrowType(type, expr.operand, !assumeTrue); + } + break; + } + return type; + } + } + function skipParenthesizedNodes(expression) { + while (expression.kind === 175) { + expression = expression.expression; + } + return expression; + } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (container.kind === 177) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); + } + } + if (node.parserContextFlags & 8) { + getNodeLinks(container).flags |= 8192; + } + } + if (symbol.flags & 8388608 && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + if (languageVersion === 2 + && localOrExportSymbol.flags & 32 + && localOrExportSymbol.valueDeclaration.kind === 217 + && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { + getNodeLinks(container).flags |= 524288; + getNodeLinks(node).flags |= 1048576; + break; + } + container = ts.getContainingClass(container); + } + } + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + return getNarrowedTypeOfSymbol(localOrExportSymbol, node); + } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; + } + current = current.parent; + } + return false; + } + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 || + (symbol.flags & (2 | 32)) === 0 || + symbol.valueDeclaration.parent.kind === 247) { + return; + } + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, false)) { + containedInIterationStatement = true; + break; + } + current = current.parent; + } + if (containedInIterationStatement) { + if (usedInFunction) { + getNodeLinks(current).flags |= 65536; + } + if (container.kind === 202 && + ts.getAncestor(symbol.valueDeclaration, 215).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152; + } + getNodeLinks(symbol.valueDeclaration).flags |= 262144; + } + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072; + } + } + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + while (current.parent.kind === 175) { + current = current.parent; + } + var isAssigned = false; + if (current.parent.kind === 184) { + isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); + } + if ((current.parent.kind === 182 || current.parent.kind === 183)) { + var expr = current.parent; + isAssigned = expr.operator === 41 || expr.operator === 42; + } + if (!isAssigned) { + return false; + } + while (current !== container) { + if (current === container.statement) { + return true; + } + else { + current = current.parent; + } + } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2; + if (container.kind === 142 || container.kind === 145) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4; + } + else { + getNodeLinks(container).flags |= 4; + } + } + function findFirstSuperCall(n) { + if (ts.isSuperCallExpression(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findFirstSuperCall); + } + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullType; + } + function checkThisExpression(node) { + var container = ts.getThisContainer(node, true); + var needToCaptureLexicalThis = false; + if (container.kind === 145) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + if (!superCall || superCall.end > node.pos) { + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + } + } + } + if (container.kind === 177) { + container = ts.getThisContainer(container, false); + needToCaptureLexicalThis = (languageVersion < 2); + } + switch (container.kind) { + case 221: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + break; + case 220: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + break; + case 145: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 142: + case 141: + if (container.flags & 64) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 137: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + return container.flags & 64 ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + } + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } + if (container.kind === 176) { + if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3) { + var className = container.parent + .left + .expression + .expression; + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16)) { + return getInferredClassType(classSymbol); + } + } + } + } + return anyType; + } + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } + } + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 139) { + return true; + } + } + return false; + } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 171 && node.parent.expression === node; + var container = ts.getSuperContainer(node, true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + while (container && container.kind === 177) { + container = ts.getSuperContainer(container, true); + needToCaptureLexicalThis = languageVersion < 2; + } + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + var current = node; + while (current && current !== container && current.kind !== 137) { + current = current.parent; + } + if (current && current.kind === 137) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); + } + return unknownType; + } + if ((container.flags & 64) || isCallExpression) { + nodeCheckFlag = 512; + } + else { + nodeCheckFlag = 256; + } + getNodeLinks(node).flags |= nodeCheckFlag; + if (container.kind === 144 && container.flags & 256) { + if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096; + } + else { + getNodeLinks(container).flags |= 2048; + } + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 168) { + if (languageVersion < 2) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + return anyType; + } + } + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; + } + if (container.kind === 145 && isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; + } + return nodeCheckFlag === 512 + ? getBaseConstructorTypeOfClass(classType) + : baseClassType; + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + return container.kind === 145; + } + else { + if (ts.isClassLike(container.parent) || container.parent.kind === 168) { + if (container.flags & 64) { + return container.kind === 144 || + container.kind === 143 || + container.kind === 146 || + container.kind === 147; + } + else { + return container.kind === 144 || + container.kind === 143 || + container.kind === 146 || + container.kind === 147 || + container.kind === 142 || + container.kind === 141 || + container.kind === 145; + } + } + } + return false; + } + } + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { + if (isContextSensitive(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); + } + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + } + } + } + } + return undefined; + } + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, true); + } + } + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); + } + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } + } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 139 && node.parent.initializer === node) { + return true; + } + node = node.parent; + } + return false; + } + function getContextualReturnType(functionDecl) { + if (functionDecl.type || + functionDecl.kind === 145 || + functionDecl.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + } + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); + } + return undefined; + } + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedSignature(callTarget); + return getTypeAtPosition(signature, argIndex); + } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 173) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 56 && operator <= 68) { + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); + } + } + else if (operator === 52) { + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); + } + return type; + } + else if (operator === 51 || operator === 24) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); + } + } + return undefined; + } + function applyToContextualType(type, mapper) { + if (!(type.flags & 16384)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var current = types_8[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); + } + } + } + return mappedTypes ? getUnionType(mappedTypes) : mappedType; + } + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 130048 ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); + } + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + } + function contextualTypeIsStringLiteralType(type) { + return !!(type.flags & 16384 ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); + } + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 16384 ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + } + function contextualTypeHasIndexSignature(type, kind) { + return !!(type.flags & 16384 ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); + } + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; + } + } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1) || + getIndexTypeOfContextualType(type, 0); + } + return undefined; + } + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1) + || (languageVersion >= 2 ? getElementTypeOfIterable(type, undefined) : undefined); + } + return undefined; + } + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 241) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); + } + else if (attribute.kind === 242) { + return attrsType; + } + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); + } + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 214: + case 139: + case 142: + case 141: + case 166: + return getContextualTypeForInitializerExpression(node); + case 177: + case 207: + return getContextualTypeForReturnExpression(node); + case 187: + return getContextualTypeForYieldOperand(parent); + case 171: + case 172: + return getContextualTypeForArgument(parent, node); + case 174: + case 192: + return getTypeFromTypeNode(parent.type); + case 184: + return getContextualTypeForBinaryOperand(node); + case 248: + return getContextualTypeForObjectLiteralElement(parent); + case 167: + return getContextualTypeForElementExpression(node); + case 185: + return getContextualTypeForConditionalOperand(node); + case 193: + ts.Debug.assert(parent.parent.kind === 186); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 175: + return getContextualType(parent); + case 243: + return getContextualType(parent); + case 241: + case 242: + return getContextualTypeForJsxAttribute(parent); + } + return undefined; + } + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; + } + } + } + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 176 || node.kind === 177; + } + function getContextualSignatureForFunctionLikeDeclaration(node) { + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; + } + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var type = ts.isObjectLiteralMethod(node) + ? getContextualTypeForObjectLiteralMethod(node) + : getApparentTypeOfContextualType(node); + if (!type) { + return undefined; + } + if (!(type.flags & 16384)) { + return getNonGenericSignature(type); + } + var signatureList; + var types = type.types; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var current = types_9[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, false, true, compareTypesIdentical)) { + return undefined; + } + else { + signatureList.push(signature); + } + } + } + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; + } + return result; + } + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + function isAssignmentTarget(node) { + var parent = node.parent; + if (parent.kind === 184 && parent.operatorToken.kind === 56 && parent.left === node) { + return true; + } + if (parent.kind === 248) { + return isAssignmentTarget(parent.parent); + } + if (parent.kind === 167) { + return isAssignmentTarget(parent); + } + return false; + } + function checkSpreadElementExpression(node, contextualMapper) { + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, false); + } + function hasDefaultValue(node) { + return (node.kind === 166 && !!node.initializer) || + (node.kind === 184 && node.operatorToken.kind === 56); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 188) { + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1) || + (languageVersion >= 2 ? getElementTypeOfIterable(restArrayType, undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); + } + } + else { + var type = checkExpression(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 188; + } + if (!hasSpreadElement) { + if (inDestructuringPattern && elementTypes.length) { + var type = createNewTupleType(elementTypes); + type.pattern = node; + return type; + } + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + if (pattern && (pattern.kind === 165 || pattern.kind === 167)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.elementTypes[i]); + } + else { + if (patternElement.kind !== 190) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } + } + } + return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); + } + function isNumericName(name) { + return name.kind === 137 ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); + } + function isNumericLiteralName(name) { + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 | 258 | 16777216)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, true); + } + } + return links.resolvedType; + } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = isAssignmentTarget(node); + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = {}; + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 164 || contextualType.pattern.kind === 168); + var typeFlags = 0; + var patternWithComputedProperties = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 248 || + memberDecl.kind === 249 || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 248) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 144) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 249); + type = checkExpression(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 | 67108864 | member.flags, member.name); + if (inDestructuringPattern) { + var isOptional = (memberDecl.kind === 248 && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 249 && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912; + } + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; + } + } + else if (contextualTypeHasPattern && !(contextualType.flags & 67108864)) { + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912; + } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); + } + } + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + ts.Debug.assert(memberDecl.kind === 146 || memberDecl.kind === 147); + checkAccessorDeclaration(memberDecl); + } + if (!ts.hasDynamicName(memberDecl)) { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); + } + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!ts.hasProperty(propertiesTable, prop.name)) { + if (!(prop.flags & 536870912)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); + } + } + } + var stringIndexType = getIndexType(0); + var numberIndexType = getIndexType(1); + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576; + result.flags |= 524288 | 4194304 | freshObjectLiteralFlag | (typeFlags & 14680064) | (patternWithComputedProperties ? 67108864 : 0); + if (inDestructuringPattern) { + result.pattern = node; + } + return result; + function getIndexType(kind) { + if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { + var propTypes = []; + for (var i = 0; i < propertiesArray.length; i++) { + var propertyDecl = node.properties[i]; + if (kind === 0 || isNumericName(propertyDecl.name)) { + var type = getTypeOfSymbol(propertiesArray[i]); + if (!ts.contains(propTypes, type)) { + propTypes.push(type); + } + } + } + var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; + typeFlags |= result_1.flags; + return result_1; + } + return undefined; + } + } + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; + } + function checkJsxElement(node) { + checkJsxOpeningLikeElement(node.openingElement); + getJsxElementTagSymbol(node.closingElement); + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 243: + checkJsxExpression(child); + break; + case 236: + checkJsxElement(child); + break; + case 237: + checkJsxSelfClosingElement(child); + break; + } + } + return jsxElementType || anyType; + } + function isUnhyphenatedJsxName(name) { + return name.indexOf("-") < 0; + } + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 136) { + return false; + } + else { + return ts.isIntrinsicJsxName(tagName.text); + } + } + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + var indexerType = getIndexTypeOfType(elementAttributesType, 0); + if (indexerType) { + correspondingPropType = indexerType; + } + else { + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } + } + } + } + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); + } + else { + exprType = booleanType; + } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); + } + nameTable[node.name.text] = true; + return exprType; + } + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } + } + return type; + } + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; + } + return jsxTypes[name]; + } + function getJsxElementTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + links.resolvedSymbol = lookupIntrinsicTag(node); + } + else { + links.resolvedSymbol = lookupClassTag(node); + } + } + return links.resolvedSymbol; + function lookupIntrinsicTag(node) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1; + return intrinsicProp; + } + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0); + if (indexSignatureType) { + links.jsxFlags |= 2; + return intrinsicElementsType.symbol; + } + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); + } + return unknownSymbol; + } + } + function lookupClassTag(node) { + var valueSymbol = resolveJsxTagName(node); + if (valueSymbol && valueSymbol !== unknownSymbol) { + links.jsxFlags |= 4; + if (valueSymbol.flags & 8388608) { + markAliasSymbolAsReferenced(valueSymbol); + } + } + return valueSymbol || unknownSymbol; + } + function resolveJsxTagName(node) { + if (node.tagName.kind === 69) { + var tag = node.tagName; + var sym = getResolvedSymbol(tag); + return sym.exportSymbol || sym; + } + else { + return checkQualifiedName(node.tagName).symbol; + } + } + } + function getJsxElementInstanceType(node) { + ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4), "Should not call getJsxElementInstanceType on non-class Element"); + var classSymbol = getJsxElementTagSymbol(node); + if (classSymbol === unknownSymbol) { + return anyType; + } + var valueType = getTypeOfSymbol(classSymbol); + if (isTypeAny(valueType)) { + return anyType; + } + var signatures = getSignaturesOfType(valueType, 1); + if (signatures.length === 0) { + signatures = getSignaturesOfType(valueType, 0); + if (signatures.length === 0) { + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; + } + } + return getUnionType(signatures.map(getReturnTypeOfSignature)); + } + function getJsxElementPropertiesName() { + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536, undefined); + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056); + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + if (attribProperties.length === 0) { + return ""; + } + else if (attribProperties.length === 1) { + return attribProperties[0].name; + } + else { + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; + } + } + else { + return undefined; + } + } + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + var sym = getJsxElementTagSymbol(node); + if (links.jsxFlags & 4) { + var elemInstanceType = getJsxElementInstanceType(node); + var elemClassType = getJsxGlobalElementClassType(); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + var elemType = getTypeOfSymbol(sym); + var callSignatures = elemType && getSignaturesOfType(elemType, 0); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return links.resolvedJsxType = paramType; + } + } + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); + } + if (isTypeAny(elemInstanceType)) { + return links.resolvedJsxType = elemInstanceType; + } + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + return links.resolvedJsxType = anyType; + } + else if (propsName === "") { + return links.resolvedJsxType = elemInstanceType; + } + else { + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + return links.resolvedJsxType = emptyObjectType; + } + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + return links.resolvedJsxType = attributesType; + } + else if (attributesType.flags & 16384) { + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return links.resolvedJsxType = anyType; + } + else { + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return links.resolvedJsxType = apparentAttributesType; + } + } + } + else if (links.jsxFlags & 1) { + return links.resolvedJsxType = getTypeOfSymbol(sym); + } + else if (links.jsxFlags & 2) { + return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0); + } + else { + return links.resolvedJsxType = anyType; + } + } + return links.resolvedJsxType; + } + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; + } + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; + } + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; + } + function checkJsxPreconditions(errorNode) { + if ((compilerOptions.jsx || 0) === 0) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); + } + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + } + } + } + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + var reactRefErr = compilerOptions.jsx === 2 ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455, reactRefErr, reactNamespace); + if (reactSym) { + getSymbolLinks(reactSym).referenced = true; + } + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = {}; + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 241) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); + } + else { + ts.Debug.assert(node.attributes[i].kind === 242); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; + } + } + } + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912) && + nameTable[targetProperties[i].name] === undefined) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } + } + } + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); + } + else { + return unknownType; + } + } + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 142; + } + function getDeclarationFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 ? 8 | 64 : 0; + } + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + if (left.kind === 95) { + var errorNode = node.kind === 169 ? + node.name : + node.right; + if (languageVersion < 2 && getDeclarationKindFromSymbol(prop) !== 144) { + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; + } + if (flags & 128) { + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; + } + } + if (!(flags & (16 | 32))) { + return true; + } + var enclosingClassDeclaration = ts.getContainingClass(node); + var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; + if (flags & 16) { + if (declaringClass !== enclosingClass) { + error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; + } + return true; + } + if (left.kind === 95) { + return true; + } + if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + if (flags & 64) { + return true; + } + if (type.flags & 33554432) { + type = getConstraintOfTypeParameter(type); + } + if (!(getTargetType(type).flags & (1024 | 2048) && hasBaseType(type, enclosingClass))) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; + } + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + } + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkExpression(left); + if (isTypeAny(type)) { + return type; + } + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType) { + return unknownType; + } + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text) { + error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 ? apparentType : type)); + } + return unknownType; + } + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32) { + checkClassPropertyAccess(node, left, apparentType, prop); + } + return getTypeOfSymbol(prop); + } + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 169 + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32) { + return checkClassPropertyAccess(node, left, type, prop); + } + } + return true; + } + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 215) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); + } + } + else if (initializer.kind === 69) { + return getResolvedSymbol(initializer); + } + return undefined; + } + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1) && !getIndexTypeOfType(type, 0); + } + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 69) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 203 && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; + } + child = node; + node = node.parent; + } + } + } + return false; + } + function checkIndexedAccess(node) { + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 172 && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } + } + var objectType = getApparentType(checkExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType) { + return unknownType; + } + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; + } + if (node.argumentExpression) { + var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_11 !== undefined) { + var prop = getPropertyOfType(objectType, name_11); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); + return unknownType; + } + } + } + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 | 132 | 16777216)) { + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexType = getIndexTypeOfType(objectType, 1); + if (numberIndexType) { + return numberIndexType; + } + } + var stringIndexType = getIndexTypeOfType(objectType, 0); + if (stringIndexType) { + return stringIndexType; + } + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + } + return anyType; + } + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 || indexArgumentExpression.kind === 8) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 170 || indexArgumentExpression.kind === 169) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); + } + } + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; + } + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + return false; + } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + if ((expressionType.flags & 16777216) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + } + return false; + } + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + } + return false; + } + return true; + } + function resolveUntypedCall(node) { + if (node.kind === 173) { + checkExpression(node.template); + } + else if (node.kind !== 140) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); + } + return anySignature; + } + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_6 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_6 === lastParent) { + index++; + } + else { + lastParent = parent_6; + index = cutoffIndex; + } + } + else { + index = cutoffIndex = result.length; + lastParent = parent_6; + } + lastSymbol = symbol; + if (signature.hasStringLiterals) { + specializedIndex++; + spliceIndex = specializedIndex; + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); + } + } + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 188) { + return i; + } + } + return -1; + } + function hasCorrectArity(node, args, signature) { + var adjustedArgCount; + var typeArguments; + var callIsIncomplete; + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 173) { + var tagExpression = node; + adjustedArgCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 186) { + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 11); + callIsIncomplete = !!templateLiteral.isUnterminated; + } + } + else if (node.kind === 140) { + isDecorator = true; + typeArguments = undefined; + adjustedArgCount = getEffectiveArgumentCount(node, undefined, signature); + } + else { + var callExpression = node; + if (!callExpression.arguments) { + ts.Debug.assert(callExpression.kind === 172); + return signature.minArgumentCount === 0; + } + adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); + } + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { + return false; + } + var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; + } + function getSingleCallSignature(type) { + if (type.flags & 80896) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { + return resolved.callSignatures[0]; + } + } + return undefined; + } + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature.typeParameters, true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + for (var i = 0; i < typeParameters.length; i++) { + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; + } + } + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; + } + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 190) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + if (argType === undefined) { + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); + } + } + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } + } + getInferredTypes(context); + } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; + } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); + } + } + } + return typeArgumentsAreAssignable; + } + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + if (arg === undefined || arg.kind !== 190) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + if (argType === undefined) { + argType = arg.kind === 9 && !reportErrors + ? getStringLiteralTypeForText(arg.text) + : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); + } + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; + } + } + } + return true; + } + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 173) { + var template = node.template; + args = [undefined]; + if (template.kind === 186) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 140) { + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; + } + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 140) { + switch (node.parent.kind) { + case 217: + case 189: + return 1; + case 142: + return 2; + case 144: + case 146: + case 147: + if (languageVersion === 0) { + return 2; + } + return signature.parameters.length >= 3 ? 3 : 2; + case 139: + return 3; + } + } + else { + return args.length; + } + } + function getEffectiveDecoratorFirstArgumentType(node) { + if (node.kind === 217) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + if (node.kind === 139) { + node = node.parent; + if (node.kind === 145) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + } + if (node.kind === 142 || + node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorSecondArgumentType(node) { + if (node.kind === 217) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 139) { + node = node.parent; + if (node.kind === 145) { + return anyType; + } + } + if (node.kind === 142 || + node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + var element = node; + switch (element.name.kind) { + case 69: + case 8: + case 9: + return getStringLiteralTypeForText(element.name.text); + case 137: + var nameType = checkComputedPropertyName(element.name); + if (allConstituentTypesHaveKind(nameType, 16777216)) { + return nameType; + } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; + } + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorThirdArgumentType(node) { + if (node.kind === 217) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 139) { + return numberType; + } + if (node.kind === 142) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 144 || + node.kind === 146 || + node.kind === 147) { + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); + } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; + } + function getEffectiveArgumentType(node, argIndex, arg) { + if (node.kind === 140) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 173) { + return globalTemplateStringsArrayType; + } + return undefined; + } + function getEffectiveArgument(node, args, argIndex) { + if (node.kind === 140 || + (argIndex === 0 && node.kind === 173)) { + return undefined; + } + return args[argIndex]; + } + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 140) { + return node.expression; + } + else if (argIndex === 0 && node.kind === 173) { + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 173; + var isDecorator = node.kind === 140; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + if (node.expression.kind !== 95) { + ts.forEach(typeArguments, checkSourceElement); + } + } + var candidates = candidatesOutArray || []; + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + var excludeArgument; + if (!isDecorator) { + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); + } + excludeArgument[i] = true; + } + } + } + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation); + } + if (!result) { + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation); + } + if (result) { + return result; + } + if (candidateForArgumentError) { + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, undefined, true); + } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); + } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); + } + } + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); + } + return candidate; + } + } + } + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + } + function chooseOverload(candidates, relation) { + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate)) { + continue; + } + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate.typeParameters, false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); + } + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, false)) { + break; + } + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; + } + excludeArgument[index] = false; + } + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; + } + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } + } + } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } + } + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 95) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); + } + return resolveUntypedCall(node); + } + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + var constructSignatures = getSignaturesOfType(apparentType, 1); + if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + } + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); + } + } + var expressionType = checkExpression(node.expression); + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + return resolveErrorCall(node); + } + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && valueDecl.flags & 128) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); + } + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + var constructSignatures = getSignaturesOfType(expressionType, 1); + if (constructSignatures.length) { + return resolveCall(node, constructSignatures, candidatesOutArray); + } + var callSignatures = getSignaturesOfType(expressionType, 0); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + } + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384) && isTypeAssignableTo(tagType, globalFunctionType))) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { + case 217: + case 189: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 139: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 142: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 144: + case 146: + case 147: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + } + } + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0); + if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384) && isTypeAssignableTo(funcType, globalFunctionType))) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + if (!links.resolvedSignature || candidatesOutArray) { + links.resolvedSignature = anySignature; + if (node.kind === 171) { + links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); + } + else if (node.kind === 172) { + links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); + } + else if (node.kind === 173) { + links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); + } + else if (node.kind === 140) { + links.resolvedSignature = resolveDecorator(node, candidatesOutArray); + } + else { + ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); + } + } + return links.resolvedSignature; + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, undefined, undefined); + } + return links.inferredClassType; + } + function checkCallExpression(node) { + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 95) { + return voidType; + } + if (node.kind === 172) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 145 && + declaration.kind !== 149 && + declaration.kind !== 154 && + !ts.isJSDocConstructSignature(declaration)) { + var funcSymbol = checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16)) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, true)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + var bothAreStringLike = someConstituentTypeHasKind(targetType, 258) && + someConstituentTypeHasKind(widenedType, 258); + if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { + checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); + } + } + return targetType; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190) { + if (element.name.kind === 69) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); + } + assignBindingElementTypes(element); + } + } + } + } + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); + } + return emptyObjectType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 195) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); + } + return iterableIteratorAny; + } + } + else { + types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); + if (types.length === 0) { + if (isAsync) { + var promiseType = createPromiseType(voidType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return voidType; + } + } + } + type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); + if (!type) { + if (funcIsGenerator) { + error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); + return createIterableIteratorType(unknownType); + } + else { + error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); + return getUnionType(types); + } + } + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } + } + if (!contextualSignature) { + reportErrorsFromWidening(func, type); + } + var widenedType = getWidenedType(type); + if (isAsync) { + var promiseType = createPromiseType(widenedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return widenedType; + } + } + function checkAndAggregateYieldOperandTypes(body, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + type = checkElementTypeOfIterable(type, yieldExpression.expression); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { + var aggregatedTypes = []; + ts.forEachReturnStatement(body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { + return; + } + if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384) && someConstituentTypeHasKind(returnType, 1 | 16))) { + return; + } + if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 || !(func.flags & 524288)) { + return; + } + var hasExplicitReturn = func.flags & 1048576; + if (returnType && !hasExplicitReturn) { + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); + } + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + var inferredReturnType = hasExplicitReturn + ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) + : voidType; + if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { + return; + } + } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 176) { + checkGrammarForGenerator(node); + } + if (contextualMapper === identityMapper && isContextSensitive(node)) { + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + if (mightFixTypeParameters || !(links.flags & 1024)) { + var contextualSignature = getContextualSignature(node); + var contextChecked = !!(links.flags & 1024); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; + } + } + } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } + } + } + if (produceDiagnostics && node.kind !== 144 && node.kind !== 143) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + } + return type; + } + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 144 || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (node.body) { + if (!node.type) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 195) { + checkSourceElement(node.body); + } + else { + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } + } + } + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132)) { + error(operand, diagnostic); + return false; + } + return true; + } + function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { + function findSymbol(n) { + var symbol = getNodeLinks(n).resolvedSymbol; + return symbol && getExportSymbolOfValueSymbolIfExported(symbol); + } + function isReferenceOrErrorExpression(n) { + switch (n.kind) { + case 69: { + var symbol = findSymbol(n); + return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3) !== 0; + } + case 169: { + var symbol = findSymbol(n); + return !symbol || symbol === unknownSymbol || (symbol.flags & ~8) !== 0; + } + case 170: + return true; + case 175: + return isReferenceOrErrorExpression(n.expression); + default: + return false; + } + } + function isConstVariableReference(n) { + switch (n.kind) { + case 69: + case 169: { + var symbol = findSymbol(n); + return symbol && (symbol.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384) !== 0; + } + case 170: { + var index = n.argumentExpression; + var symbol = findSymbol(n.expression); + if (symbol && index && index.kind === 9) { + var name_12 = index.text; + var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); + return prop && (prop.flags & 3) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384) !== 0; + } + return false; + } + case 175: + return isConstVariableReference(n.expression); + default: + return false; + } + } + if (!isReferenceOrErrorExpression(n)) { + error(n, invalidReferenceMessage); + return false; + } + if (isConstVariableReference(n)) { + error(n, constantVariableMessage); + return false; + } + return true; + } + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; + } + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedType; + } + function checkAwaitExpression(node) { + if (produceDiagnostics) { + if (!(node.parserContextFlags & 8)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); + } + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + switch (node.operator) { + case 35: + case 36: + case 50: + if (someConstituentTypeHasKind(operandType, 16777216)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 49: + return booleanType; + case 41: + case 42: + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + return unknownType; + } + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + function someConstituentTypeHasKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152) { + var types = type.types; + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var current = types_10[_i]; + if (current.flags & kind) { + return true; + } + } + return false; + } + return false; + } + function allConstituentTypesHaveKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152) { + var types = type.types; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var current = types_11[_i]; + if (!(current.flags & kind)) { + return false; + } + } + return true; + } + return false; + } + function isConstEnumObjectType(type) { + return type.flags & (80896 | 65536) && type.symbol && isConstEnumSymbol(type.symbol); + } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128) !== 0; + } + function checkInstanceOfExpression(left, right, leftType, rightType) { + if (allConstituentTypesHaveKind(leftType, 16777726)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + } + return booleanType; + } + function checkInExpression(left, right, leftType, rightType) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 | 132 | 16777216)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); + } + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + return booleanType; + } + function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { + var properties = node.properties; + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var p = properties_3[_i]; + if (p.kind === 248 || p.kind === 249) { + var name_13 = p.name; + if (name_13.kind === 137) { + checkComputedPropertyName(name_13); + } + if (isComputedNonLiteralName(name_13)) { + continue; + } + var text = getTextOfPropertyName(name_13); + var type = isTypeAny(sourceType) + ? sourceType + : getTypeOfPropertyOfType(sourceType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1) || + getIndexTypeOfType(sourceType, 0); + if (type) { + if (p.kind === 249) { + checkDestructuringAssignment(p, type); + } + else { + checkDestructuringAssignment(p.initializer, type); + } + } + else { + error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); + } + } + else { + error(p, ts.Diagnostics.Property_assignment_expected); + } + } + return sourceType; + } + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + var elementType = checkIteratedTypeOrElementType(sourceType, node, false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190) { + if (e.kind !== 188) { + var propName = "" + i; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + checkDestructuringAssignment(e, type, contextualMapper); + } + else { + if (isTupleType(sourceType)) { + error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); + } + else { + error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + } + } + } + else { + if (i < elements.length - 1) { + error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + else { + var restExpression = e.expression; + if (restExpression.kind === 184 && restExpression.operatorToken.kind === 56) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } + } + } + } + } + return sourceType; + } + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 249) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; + } + else { + target = exprOrAssignment; + } + if (target.kind === 184 && target.operatorToken.kind === 56) { + checkBinaryExpression(target, contextualMapper); + target = target.left; + } + if (target.kind === 168) { + return checkObjectLiteralAssignment(target, sourceType, contextualMapper); + } + if (target.kind === 167) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + } + return checkReferenceAssignment(target, sourceType, contextualMapper); + } + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { + checkTypeAssignableTo(sourceType, targetType, target, undefined); + } + return sourceType; + } + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); + } + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 56 && (left.kind === 168 || left.kind === 167)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 37: + case 38: + case 59: + case 60: + case 39: + case 61: + case 40: + case 62: + case 36: + case 58: + case 43: + case 63: + case 44: + case 64: + case 45: + case 65: + case 47: + case 67: + case 48: + case 68: + case 46: + case 66: + if (leftType.flags & (32 | 64)) + leftType = rightType; + if (rightType.flags & (32 | 64)) + rightType = leftType; + var suggestedOperator = void 0; + if ((leftType.flags & 8) && + (rightType.flags & 8) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); + } + } + return numberType; + case 35: + case 57: + if (leftType.flags & (32 | 64)) + leftType = rightType; + if (rightType.flags & (32 | 64)) + rightType = leftType; + var resultType = void 0; + if (allConstituentTypesHaveKind(leftType, 132) && allConstituentTypesHaveKind(rightType, 132)) { + resultType = numberType; + } + else { + if (allConstituentTypesHaveKind(leftType, 258) || allConstituentTypesHaveKind(rightType, 258)) { + resultType = stringType; + } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 57) { + checkAssignmentOperator(resultType); + } + return resultType; + case 25: + case 27: + case 28: + case 29: + if (!checkForDisallowedESSymbolOperand(operator)) { + return booleanType; + } + case 30: + case 31: + case 32: + case 33: + if (someConstituentTypeHasKind(leftType, 258) && someConstituentTypeHasKind(rightType, 258)) { + return booleanType; + } + if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 91: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 90: + return checkInExpression(left, right, leftType, rightType); + case 51: + return rightType; + case 52: + return getUnionType([leftType, rightType]); + case 56: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 24: + return rightType; + } + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216) ? left : + someConstituentTypeHasKind(rightType, 16777216) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; + } + return true; + } + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 47: + case 67: + return 52; + case 48: + case 68: + return 33; + case 46: + case 66: + return 51; + default: + return undefined; + } + } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 56 && operator <= 68) { + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); + if (ok) { + checkTypeAssignableTo(valueType, leftType, left, undefined); + } + } + } + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } + } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; + } + current = parent; + parent = parent.parent; + } + return false; + } + function checkYieldExpression(node) { + if (produceDiagnostics) { + if (!(node.parserContextFlags & 2) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, undefined); + } + } + } + } + return anyType; + } + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getUnionType([type1, type2]); + } + function checkStringLiteralExpression(node) { + var contextualType = getContextualType(node); + if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { + return getStringLiteralTypeForText(node.text); + } + return stringType; + } + function checkTemplateExpression(node) { + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; + } + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node, contextualMapper); + } + return links.resolvedType; + } + function checkPropertyAssignment(node, contextualMapper) { + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + return checkExpression(node.initializer, contextualMapper); + } + function checkObjectLiteralMethod(node, contextualMapper) { + checkGrammarMethod(node); + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; + } + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 136) { + type = checkQualifiedName(node); + } + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + var ok = (node.parent.kind === 169 && node.parent.expression === node) || + (node.parent.kind === 170 && node.parent.expression === node) || + ((node.kind === 69 || node.kind === 136) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + } + } + return type; + } + function checkNumericLiteral(node) { + checkGrammarNumericLiteral(node); + return numberType; + } + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 69: + return checkIdentifier(node); + case 97: + return checkThisExpression(node); + case 95: + return checkSuperExpression(node); + case 93: + return nullType; + case 99: + case 84: + return booleanType; + case 8: + return checkNumericLiteral(node); + case 186: + return checkTemplateExpression(node); + case 9: + return checkStringLiteralExpression(node); + case 11: + return stringType; + case 10: + return globalRegExpType; + case 167: + return checkArrayLiteral(node, contextualMapper); + case 168: + return checkObjectLiteral(node, contextualMapper); + case 169: + return checkPropertyAccessExpression(node); + case 170: + return checkIndexedAccess(node); + case 171: + case 172: + return checkCallExpression(node); + case 173: + return checkTaggedTemplateExpression(node); + case 175: + return checkExpression(node.expression, contextualMapper); + case 189: + return checkClassExpression(node); + case 176: + case 177: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 179: + return checkTypeOfExpression(node); + case 174: + case 192: + return checkAssertion(node); + case 178: + return checkDeleteExpression(node); + case 180: + return checkVoidExpression(node); + case 181: + return checkAwaitExpression(node); + case 182: + return checkPrefixUnaryExpression(node); + case 183: + return checkPostfixUnaryExpression(node); + case 184: + return checkBinaryExpression(node, contextualMapper); + case 185: + return checkConditionalExpression(node, contextualMapper); + case 188: + return checkSpreadElementExpression(node, contextualMapper); + case 190: + return undefinedType; + case 187: + return checkYieldExpression(node); + case 243: + return checkJsxExpression(node); + case 236: + return checkJsxElement(node); + case 237: + return checkJsxSelfClosingElement(node); + case 238: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + } + return unknownType; + } + function checkTypeParameter(node) { + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); + } + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + } + } + function checkParameter(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (node.flags & 56) { + func = ts.getContainingFunction(node); + if (!(func.kind === 145 && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + } + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); + } + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); + } + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; + } + return node.kind === 144 || + node.kind === 216 || + node.kind === 176; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 69 && + param.name.text === parameter.text) { + return i; + } + } + } + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; + } + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; + } + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); + } + else { + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_14 = _a[_i].name; + if (ts.isBindingPattern(name_14) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } + } + } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 177: + case 148: + case 216: + case 176: + case 153: + case 144: + case 143: + var parent_7 = node.parent; + if (node === parent_7.type) { + return parent_7; + } + } + } + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var name_15 = _a[_i].name; + if (name_15.kind === 69 && + name_15.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_15.kind === 165 || + name_15.kind === 164) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { + return true; + } + } + } + } + function checkSignatureDeclaration(node) { + if (node.kind === 150) { + checkGrammarIndexSignature(node); + } + else if (node.kind === 153 || node.kind === 216 || node.kind === 154 || + node.kind === 148 || node.kind === 145 || + node.kind === 149) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 149: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 148: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + } + } + if (node.type) { + if (languageVersion >= 2 && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } + } + } + checkSpecializedSignatureDeclaration(node); + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 218) { + var nodeSymbol = getSymbolOfNode(node); + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; + } + } + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 130: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 128: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } + } + } + } + } + function checkPropertyDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + checkFunctionOrMethodDeclaration(node); + if (node.flags & 128 && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + } + function checkConstructorDeclaration(node) { + checkSignatureDeclaration(node); + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); + } + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function markThisReferencesAsErrors(n) { + if (n.kind === 97) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 176 && n.kind !== 216) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 142 && + !(n.flags & 64) && + !!n.initializer; + } + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return p.flags & (8 | 16 | 32); }); + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 198 && ts.isSuperCallExpression(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); + } + } + } + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 146) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288)) { + if (node.flags & 1048576) { + if (compilerOptions.noImplicitReturns) { + error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + else { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); + } + } + } + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var otherKind = node.kind === 146 ? 147 : 146; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if (((node.flags & 56) !== (otherAccessor.flags & 56))) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + var currentAccessorType = getAnnotatedAccessorType(node); + var otherAccessorType = getAnnotatedAccessorType(otherAccessor); + if (currentAccessorType && otherAccessorType) { + if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { + error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + } + } + } + } + getTypeOfAccessors(getSymbolOfNode(node)); + } + if (node.parent.kind !== 168) { + checkSourceElement(node.body); + } + else { + checkNodeDeferred(node); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); + mapper = createTypeMapper(typeParameters, typeArguments); + } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + } + return result; + } + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType && node.typeArguments) { + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + } + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkArrayType(node) { + checkSourceElement(node.elementType); + } + function checkTupleType(node) { + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + } + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (node.flags & 16) && ts.isInAmbientContext(node); + } + function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { + if (!produceDiagnostics) { + return; + } + var signature = getSignatureFromDeclaration(signatureDeclarationNode); + if (!signature.hasStringLiterals) { + return; + } + if (ts.nodeIsPresent(signatureDeclarationNode.body)) { + error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); + return; + } + var signaturesToCheck; + if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218) { + ts.Debug.assert(signatureDeclarationNode.kind === 148 || signatureDeclarationNode.kind === 149); + var signatureKind = signatureDeclarationNode.kind === 148 ? 0 : 1; + var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); + var containingType = getDeclaredTypeOfSymbol(containingSymbol); + signaturesToCheck = getSignaturesOfType(containingType, signatureKind); + } + else { + signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); + } + for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { + var otherSignature = signaturesToCheck_1[_i]; + if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, false)) { + return; + } + } + error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedNodeFlags(n); + if (n.parent.kind !== 218 && + n.parent.kind !== 217 && + n.parent.kind !== 189 && + ts.isInAmbientContext(n)) { + if (!(flags & 4)) { + flags |= 2; + } + flags |= 4; + } + return flags & flagsToCheck; + } + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; + } + function getCanonicalOverload(overloads, implementation) { + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 2) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); + } + else if (deviation & 4) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); + } + else if (deviation & (16 | 32)) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + } + else if (deviation & 128) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); + } + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); + } + }); + } + } + var flagsToCheck = 2 | 4 | 16 | 32 | 128; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 144 || node.kind === 143) && + (node.flags & 64) !== (subsequentNode.flags & 64); + if (reportError) { + var diagnostic = node.flags & 64 ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); + } + return; + } + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; + } + } + } + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); + } + else { + if (node.flags & 128) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } + } + } + var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536; + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 218 || node.parent.kind === 156 || inAmbientContext; + if (inAmbientContextOrInterface) { + previousDeclaration = undefined; + } + if (node.kind === 216 || node.kind === 144 || node.kind === 143 || node.kind === 145) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } + } + } + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); + } + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); + } + if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(lastSeenNonAmbientDeclaration.flags & 128)) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + } + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + if (!bodySignature.hasStringLiterals) { + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } + } + } + } + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + var symbol = node.localSymbol; + if (!symbol) { + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032)) { + return; + } + } + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + var exportedDeclarationSpaces = 0; + var nonExportedDeclarationSpaces = 0; + var defaultExportedDeclarationSpaces = 0; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 | 512); + if (effectiveDeclarationFlags & 2) { + if (effectiveDeclarationFlags & 512) { + defaultExportedDeclarationSpaces |= declarationSpaces; + } + else { + exportedDeclarationSpaces |= declarationSpaces; + } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } + } + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); + } + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 218: + return 2097152; + case 221: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 + ? 4194304 | 1048576 + : 4194304; + case 217: + case 220: + return 2097152 | 1048576; + case 224: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576; + } + } + } + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; + } + return type; + } + function getPromisedType(promise) { + if (promise.flags & 1) { + return undefined; + } + if ((promise.flags & 4096) && promise.target === tryGetGlobalPromiseType()) { + return promise.typeArguments[0]; + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (thenFunction && (thenFunction.flags & 1)) { + return undefined; + } + var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0) : emptyArray; + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); + if (onfulfilledParameterType.flags & 1) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; + } + var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); + return valueParameterType; + } + function getTypeOfFirstParameterOfSignature(signature) { + return getTypeAtPosition(signature, 0); + } + function getAwaitedType(type) { + return checkAwaitedType(type, undefined, undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 16384) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); + } + return getUnionType(types); + } + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; + } + } + } + } + function checkCorrectPromiseType(returnType, location) { + if (returnType === unknownType) { + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + return unknownType; + } + function checkAsyncFunctionReturnType(node) { + if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + return unknownType; + } + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + return unknownType; + } + checkReturnTypeAnnotationAsExpression(node); + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 217: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 139: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 142: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 144: + case 146: + case 147: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + function checkTypeNodeAsExpression(node) { + if (node && node.kind === 152) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 152 ? 793056 : 1536; + var rootSymbol = resolveName(root, root.text, meaning | 8388608, undefined, undefined); + if (rootSymbol && rootSymbol.flags & 8388608) { + var aliasTarget = resolveAlias(rootSymbol); + if (aliasTarget.flags & 107455 && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } + } + } + } + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkParameterTypeAnnotationsAsExpressions(node) { + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); + } + } + function checkDecorators(node) { + if (!node.decorators) { + return; + } + if (!ts.nodeCanBeDecorated(node)) { + return; + } + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + } + if (compilerOptions.emitDecoratorMetadata) { + switch (node.kind) { + case 217: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 144: + case 146: + case 147: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 142: + case 139: + checkTypeAnnotationAsExpression(node); + break; + } + } + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + if (node.name && node.name.kind === 137) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + var firstDeclaration = ts.forEach(localSymbol.declarations, function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + checkFunctionOrConstructorSymbol(symbol); + } + } + } + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + } + } + function checkBlock(node) { + if (node.kind === 195) { + checkGrammarStatementInAmbientContext(node); + } + ts.forEach(node.statements, checkSourceElement); + } + function checkCollisionWithArgumentsInGeneratedCode(node) { + if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); + } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 142 || + node.kind === 141 || + node.kind === 144 || + node.kind === 143 || + node.kind === 146 || + node.kind === 147) { + return false; + } + if (ts.isInAmbientContext(node)) { + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 139 && ts.nodeIsMissing(root.parent.body)) { + return false; + } + return true; + } + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); + } + } + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4) { + var isDeclaration_1 = node.kind !== 69; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + } + return; + } + current = current.parent; + } + } + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + var enclosingClass = ts.getContainingClass(node); + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 69; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); + } + } + } + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent)) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!compilerOptions.noCustomAsyncPromise) { + return; + } + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + if (node.kind === 221 && ts.getModuleInstanceState(node) !== 1) { + return; + } + var parent = getDeclarationContainer(node); + if (parent.kind === 251 && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432) { + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + if ((ts.getCombinedNodeFlags(node) & 24576) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + if (node.kind === 214 && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3, undefined, undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2) { + if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215); + var container = varDeclList.parent.kind === 196 && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + var namesShareScope = container && + (container.kind === 195 && ts.isFunctionLike(container.parent) || + container.kind === 222 || + container.kind === 221 || + container.kind === 251); + if (!namesShareScope) { + var name_16 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); + } + } + } + } + } + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 139) { + return; + } + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (n.kind === 69) { + var referencedSymbol = getNodeLinks(n).resolvedSymbol; + if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455) === referencedSymbol) { + if (referencedSymbol.valueDeclaration.kind === 139) { + if (referencedSymbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; + } + if (referencedSymbol.valueDeclaration.pos < node.pos) { + return; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); + } + } + else { + ts.forEachChild(n, visit); + } + } + } + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + if (node.name.kind === 137) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); + } + } + if (node.kind === 166) { + if (node.propertyName && node.propertyName.kind === 137) { + checkComputedPropertyName(node.propertyName); + } + } + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); + } + if (node.initializer && ts.getRootDeclaration(node).kind === 139 && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; + } + if (ts.isBindingPattern(node.name)) { + if (node.initializer && node.parent.parent.kind !== 203) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, undefined); + checkParameterInitializer(node); + } + return; + } + var symbol = getSymbolOfNode(node); + var type = getTypeOfVariableOrParameterOrProperty(symbol); + if (node === symbol.valueDeclaration) { + if (node.initializer && node.parent.parent.kind !== 203) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, undefined); + checkParameterInitializer(node); + } + } + else { + var declarationType = getWidenedTypeForVariableLikeDeclaration(node); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + } + if (node.initializer) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, undefined); + } + } + if (node.kind !== 142 && node.kind !== 141) { + checkExportsOnMergedDeclarations(node); + if (node.kind === 214 || node.kind === 166) { + checkVarDeclaredNamesNotShadowed(node); + } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); + } + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + if (node.modifiers && node.parent.kind === 168) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + } + function checkExpressionStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + } + function checkIfStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 197) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); + } + checkSourceElement(node.elseStatement); + } + function checkDoStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); + } + function checkWhileStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); + } + function checkForStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 215) { + checkGrammarVariableDeclarationList(node.initializer); + } + } + if (node.initializer) { + if (node.initializer.kind === 215) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 215) { + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + if (varExpr.kind === 167 || varExpr.kind === 168) { + checkDestructuringAssignment(varExpr, iteratedType || unknownType); + } + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, undefined); + } + } + } + checkSourceElement(node.statement); + } + function checkForInStatement(node) { + checkGrammarForInOrForOfStatement(node); + if (node.initializer.kind === 215) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 167 || varExpr.kind === 168) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); + } + } + var rightType = checkExpression(node.expression); + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 | 512)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + } + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); + } + } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = getTypeOfExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1); + if (indexType) { + return indexType; + } + } + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + return unknownType; + } + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; + } + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + if ((type.flags & 4096) && type.target === globalIterableType) { + typeAsIterable.iterableElementType = type.typeArguments[0]; + } + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; + } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + if ((type.flags & 4096) && type.target === globalIteratorType) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; + } + else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; + } + } + return typeAsIterator.iteratorElementType; + } + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; + } + if ((type.flags & 4096) && type.target === globalIterableIteratorType) { + return type.typeArguments[0]; + } + return getElementTypeOfIterable(type, undefined) || + getElementTypeOfIterator(type, undefined); + } + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2); + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 16384) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258); })); + } + else if (arrayOrStringType.flags & 258) { + arrayType = emptyUnionType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + if (arrayType === emptyObjectType) { + return stringType; + } + } + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1) || unknownType; + if (hasStringConstituent) { + if (arrayElementType.flags & 258) { + return stringType; + } + return getUnionType([arrayElementType, stringType]); + } + return arrayElementType; + } + function checkBreakOrContinueStatement(node) { + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); + } + function isGetAccessorWithAnnotatatedSetAccessor(node) { + return !!(node.kind === 146 && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147))); + } + function checkReturnStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + var exprType = checkExpressionCached(node.expression); + if (func.asteriskToken) { + return; + } + if (func.kind === 147) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + else if (func.kind === 145) { + if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + checkTypeAssignableTo(awaitedType, promisedType, node.expression); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression); + } + } + } + } + } + function checkWithStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.parserContextFlags & 8) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); + } + function checkSwitchStatement(node) { + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258); + ts.forEach(node.caseBlock.clauses, function (clause) { + if (clause.kind === 245 && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 244) { + var caseClause = clause; + var caseType = checkExpression(caseClause.expression); + var expressionTypeIsAssignableToCaseType = (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258)) || + isTypeAssignableTo(expressionType, caseType); + if (!expressionTypeIsAssignableToCaseType) { + checkTypeAssignableTo(caseType, expressionType, caseClause.expression, undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + } + function checkLabeledStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 210 && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } + } + checkSourceElement(node.statement); + } + function checkThrowStatement(node) { + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } + } + function checkTryStatement(node) { + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.name.kind !== 69) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); + } + else if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var identifierName = catchClause.variableDeclaration.name.text; + var locals = catchClause.block.locals; + if (locals && ts.hasProperty(locals, identifierName)) { + var localSymbol = locals[identifierName]; + if (localSymbol && (localSymbol.flags & 2) !== 0) { + grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } + } + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0); + var stringIndexType = getIndexTypeOfType(type, 0); + var numberIndexType = getIndexTypeOfType(type, 1); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1); + }); + if (type.flags & 1024 && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (!(member.flags & 64) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + if (!errorNode && (type.flags & 2048)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0) && getIndexTypeOfType(base, 1); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + if (indexKind === 1 && !isNumericName(prop.valueDeclaration.name)) { + return; + } + var errorNode; + if (prop.valueDeclaration.name.kind === 137 || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (containingType.flags & 2048) { + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } + } + function checkTypeNameIsReserved(name, message) { + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } + } + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } + } + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + } + function checkClassDeclaration(node) { + if (!node.name && !(node.flags & 512)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32)) { + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); + } + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = (t.flags & 4096) ? t.target : t; + if (declaredType.flags & (1024 | 2048)) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function getTargetSymbol(s) { + return s.flags & 16777216 ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + if (derived === base) { + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + if (baseDeclarationFlags & 128 && (!derivedClassDecl || !(derivedClassDecl.flags & 128))) { + if (derivedClassDecl.kind === 189) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } + } + } + else { + var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 16) || (derivedDeclarationFlags & 16)) { + continue; + } + if ((baseDeclarationFlags & 64) !== (derivedDeclarationFlags & 64)) { + continue; + } + if ((base.flags & derived.flags & 8192) || ((base.flags & 98308) && (derived.flags & 98308))) { + continue; + } + var errorMessage = void 0; + if (base.flags & 8192) { + if (derived.flags & 98304) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4) { + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304) !== 0); + ts.Debug.assert((derived.flags & 8192) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 146 || kind === 147; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = {}; + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { + var prop = properties_4[_a]; + if (!ts.hasProperty(seen, prop.name)) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var existing = seen[prop.name]; + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218); + if (symbol.declarations.length > 1) { + if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); + } + } + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkTypeAliasDeclaration(node) { + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; + } + } + nodeLinks.flags |= 16384; + } + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 182: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 35: return value_1; + case 36: return -value_1; + case 50: return ~value_1; + } + return undefined; + case 184: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 47: return left | right; + case 46: return left & right; + case 44: return left >> right; + case 45: return left >>> right; + case 43: return left << right; + case 48: return left ^ right; + case 37: return left * right; + case 39: return left / right; + case 35: return left + right; + case 36: return left - right; + case 40: return left % right; + } + return undefined; + case 8: + return +e.text; + case 175: + return evalConstant(e.expression); + case 69: + case 170: + case 169: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 69) { + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 170) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; + } + else { + expression = e.expression; + propertyName = e.name.text; + } + var current = expression; + while (current) { + if (current.kind === 69) { + break; + } + else if (current.kind === 169) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384))) { + return undefined; + } + } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + if (member === propertyDecl) { + return undefined; + } + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; + } + } + } + } + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + if (declaration.kind !== 220) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); + } + } + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 217 || + (declaration.kind === 216 && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; + } + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); + } + else if (isGlobalSourceFile(container2)) { + return false; + } + else { + return container1 === container2; + } + } + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + if (symbol.flags & 512 + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + var mergedClass = ts.getDeclarationOfKind(symbol, 217); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432); + if (checkBody) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } + } + checkSourceElement(node.body); + } + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 196: + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 230: + case 231: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 224: + if (node.moduleReference.kind !== 9) { + error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + break; + } + case 225: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 166: + case 214: + var name_17 = node.name; + if (ts.isBindingPattern(name_17)) { + for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { + var el = _c[_b]; + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + case 217: + case 220: + case 216: + case 218: + case 221: + case 219: + var symbol = getSymbolOfNode(node); + if (symbol) { + var reportError = !(symbol.flags & 33554432); + if (!reportError) { + if (isGlobalAugmentation) { + reportError = symbol.parent !== undefined; + } + else { + reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); + } + } + if (reportError) { + error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + } + } + break; + } + } + function getFirstIdentifier(node) { + while (true) { + if (node.kind === 136) { + node = node.left; + } + else if (node.kind === 169) { + node = node.expression; + } + else { + break; + } + } + ts.Debug.assert(node.kind === 69); + return node; + } + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 && !inAmbientExternalModule) { + error(moduleName, node.kind === 231 ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + if (!isTopLevelInExternalModuleAugmentation(node)) { + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; + } + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & 107455 ? 107455 : 0) | + (symbol.flags & 793056 ? 793056 : 0) | + (symbol.flags & 1536 ? 1536 : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 233 ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } + } + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); + } + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } + } + } + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (node.flags & 2) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455) { + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 | 1536).flags & 1536)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793056) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } + } + else { + if (modulekind === 5 && !ts.isInAmbientContext(node)) { + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } + } + } + } + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 222 && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } + } + function checkGrammarModuleElementContext(node, errorMessage) { + if (node.parent.kind !== 251 && node.parent.kind !== 222 && node.parent.kind !== 221) { + return grammarErrorOnFirstToken(node, errorMessage); + } + } + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + var symbol = resolveName(exportedName, exportedName.text, 107455 | 793056 | 1536 | 8388608, undefined, undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); + } + else { + markExportAsReferenced(node); + } + } + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + return; + } + var container = node.parent.kind === 251 ? node.parent : node.parent.parent; + if (container.kind === 221 && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + } + if (node.expression.kind === 69) { + markExportAsReferenced(node); + } + else { + checkExpressionCached(node.expression); + } + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === 5) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === 4) { + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); + } + } + } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; + } + } + return false; + } + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } + } + var exports_2 = getExportsOfModule(moduleSymbol); + for (var id in exports_2) { + if (id === "__export") { + continue; + } + var _a = exports_2[id], declarations = _a.declarations, flags = _a.flags; + if (!(flags & (1536 | 64 | 384)) && (flags & 524288 ? declarations.length - 1 : declarations.length) > 1) { + var exportedDeclarations = ts.filter(declarations, isNotOverload); + if (exportedDeclarations.length > 1) { + for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { + var declaration = exportedDeclarations_1[_i]; + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } + } + } + } + links.exportsChecked = true; + } + function isNotOverload(declaration) { + return declaration.kind !== 216 || !!declaration.body; + } + } + function checkSourceElement(node) { + if (!node) { + return; + } + var kind = node.kind; + if (cancellationToken) { + switch (kind) { + case 221: + case 217: + case 218: + case 216: + cancellationToken.throwIfCancellationRequested(); + } + } + switch (kind) { + case 138: + return checkTypeParameter(node); + case 139: + return checkParameter(node); + case 142: + case 141: + return checkPropertyDeclaration(node); + case 153: + case 154: + case 148: + case 149: + return checkSignatureDeclaration(node); + case 150: + return checkSignatureDeclaration(node); + case 144: + case 143: + return checkMethodDeclaration(node); + case 145: + return checkConstructorDeclaration(node); + case 146: + case 147: + return checkAccessorDeclaration(node); + case 152: + return checkTypeReferenceNode(node); + case 151: + return checkTypePredicate(node); + case 155: + return checkTypeQuery(node); + case 156: + return checkTypeLiteral(node); + case 157: + return checkArrayType(node); + case 158: + return checkTupleType(node); + case 159: + case 160: + return checkUnionOrIntersectionType(node); + case 161: + return checkSourceElement(node.type); + case 216: + return checkFunctionDeclaration(node); + case 195: + case 222: + return checkBlock(node); + case 196: + return checkVariableStatement(node); + case 198: + return checkExpressionStatement(node); + case 199: + return checkIfStatement(node); + case 200: + return checkDoStatement(node); + case 201: + return checkWhileStatement(node); + case 202: + return checkForStatement(node); + case 203: + return checkForInStatement(node); + case 204: + return checkForOfStatement(node); + case 205: + case 206: + return checkBreakOrContinueStatement(node); + case 207: + return checkReturnStatement(node); + case 208: + return checkWithStatement(node); + case 209: + return checkSwitchStatement(node); + case 210: + return checkLabeledStatement(node); + case 211: + return checkThrowStatement(node); + case 212: + return checkTryStatement(node); + case 214: + return checkVariableDeclaration(node); + case 166: + return checkBindingElement(node); + case 217: + return checkClassDeclaration(node); + case 218: + return checkInterfaceDeclaration(node); + case 219: + return checkTypeAliasDeclaration(node); + case 220: + return checkEnumDeclaration(node); + case 221: + return checkModuleDeclaration(node); + case 225: + return checkImportDeclaration(node); + case 224: + return checkImportEqualsDeclaration(node); + case 231: + return checkExportDeclaration(node); + case 230: + return checkExportAssignment(node); + case 197: + checkGrammarStatementInAmbientContext(node); + return; + case 213: + checkGrammarStatementInAmbientContext(node); + return; + case 234: + return checkMissingDeclaration(node); + } + } + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); + } + } + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 176: + case 177: + case 144: + case 143: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 146: + case 147: + checkAccessorDeferred(node); + break; + case 189: + checkClassExpressionDeferred(node); + break; + } + } + } + function checkSourceFile(node) { + var start = new Date().getTime(); + checkSourceFileWorker(node); + ts.checkTime += new Date().getTime() - start; + } + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1)) { + if (compilerOptions.skipDefaultLibCheck) { + if (node.hasNoDefaultLib) { + return; + } + } + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + deferredNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1; + } + } + function getDiagnostics(sourceFile, ct) { + try { + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); + } + finally { + cancellationToken = undefined; + } + } + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); + } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); + } + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); + } + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + } + } + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 208 && node.parent.statement === node) { + return true; + } + node = node.parent; + } + } + return false; + } + function getSymbolsInScope(location, meaning) { + var symbols = {}; + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + return []; + } + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 251: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 221: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931); + break; + case 220: + copySymbols(getSymbolOfNode(location).exports, meaning & 8); + break; + case 189: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + case 217: + case 218: + if (!(memberFlags & 64)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793056); + } + break; + case 176: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = location.flags; + location = location.parent; + } + copySymbols(globals, meaning); + } + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + if (!ts.hasProperty(symbols, id)) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } + } + } + function isTypeDeclarationName(name) { + return name.kind === 69 && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 138: + case 217: + case 218: + case 219: + case 220: + return true; + } + } + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 136) { + node = node.parent; + } + return node.parent && node.parent.kind === 152; + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 169) { + node = node.parent; + } + return node.parent && node.parent.kind === 191; + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 136) { + nodeOnRightSide = nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 224) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 230) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; + } + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + } + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); + } + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1: + case 3: + return getSymbolOfNode(entityName.parent); + case 4: + case 2: + return getSymbolOfNode(entityName.parent.parent); + default: + } + } + if (entityName.parent.kind === 230) { + return resolveEntityName(entityName, 107455 | 793056 | 1536 | 8388608); + } + if (entityName.kind !== 169) { + if (isInRightSideOfImportOrExportAssignment(entityName)) { + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); + } + } + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0; + if (entityName.parent.kind === 191) { + meaning = 793056; + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455; + } + } + else { + meaning = 1536; + } + meaning |= 8388608; + return resolveEntityName(entityName, meaning); + } + else if ((entityName.parent.kind === 238) || + (entityName.parent.kind === 237) || + (entityName.parent.kind === 240)) { + return getJsxElementTagSymbol(entityName.parent); + } + else if (ts.isExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + return undefined; + } + if (entityName.kind === 69) { + var meaning = 107455 | 8388608; + return resolveEntityName(entityName, meaning); + } + else if (entityName.kind === 169) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 136) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + } + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = entityName.parent.kind === 152 ? 793056 : 1536; + meaning |= 8388608; + return resolveEntityName(entityName, meaning); + } + else if (entityName.parent.kind === 241) { + return getJsxAttributePropertySymbol(entityName.parent); + } + if (entityName.parent.kind === 151) { + return resolveEntityName(entityName, 1); + } + return undefined; + } + function getSymbolAtLocation(node) { + if (isInsideWithStatementBody(node)) { + return undefined; + } + if (ts.isDeclarationName(node)) { + return getSymbolOfNode(node.parent); + } + if (node.kind === 69) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return node.parent.kind === 230 + ? getSymbolOfEntityNameOrPropertyAccessExpression(node) + : getSymbolOfPartOfRightHandSideOfImportEquals(node); + } + else if (node.parent.kind === 166 && + node.parent.parent.kind === 164 && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } + } + } + switch (node.kind) { + case 69: + case 169: + case 136: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 97: + case 95: + var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 162: + return getTypeFromTypeNode(node).symbol; + case 121: + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 145) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9: + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 225 || node.parent.kind === 231) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + case 8: + if (node.parent.kind === 170 && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; + } + return undefined; + } + function getShorthandAssignmentValueSymbol(location) { + if (location && location.kind === 249) { + return resolveEntityName(location.name, 107455 | 8388608); + } + return undefined; + } + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 | 793056 | 1536 | 8388608); + } + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + return unknownType; + } + if (ts.isTypeNode(node)) { + return getTypeFromTypeNode(node); + } + if (ts.isExpression(node)) { + return getTypeOfExpression(node); + } + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; + } + if (isTypeDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; + } + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return checkExpression(expr); + } + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return node.flags & 64 + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + } + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0).length || getSignaturesOfType(type, 1).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!ts.hasProperty(propsByName, p.name)) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); + } + function getRootSymbols(symbol) { + if (symbol.flags & 268435456) { + var symbols_3 = []; + var name_18 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_18); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864) { + var target = getSymbolLinks(symbol).target; + if (target) { + return [target]; + } + } + return [symbol]; + } + function isArgumentsLocalBinding(node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol) { + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455) + : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455); + } + } + function getReferencedExportContainer(node) { + var symbol = getReferencedValueSymbol(node); + if (symbol) { + if (symbol.flags & 1048576) { + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (exportSymbol.flags & 944) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 && parentSymbol.valueDeclaration.kind === 251) { + return parentSymbol.valueDeclaration; + } + for (var n = node.parent; n; n = n.parent) { + if ((n.kind === 221 || n.kind === 220) && getSymbolOfNode(n) === parentSymbol) { + return n; + } + } + } + } + } + function getReferencedImportDeclaration(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && symbol.flags & 8388608 ? getDeclarationOfAliasSymbol(symbol) : undefined; + } + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418) { + var links = getSymbolLinks(symbol); + if (links.isDeclaratonWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455, undefined, undefined)) { + links.isDeclaratonWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072) { + var isDeclaredInLoop = nodeLinks_1.flags & 262144; + var inLoopInitializer = ts.isIterationStatement(container, false); + var inLoopBodyBlock = container.kind === 195 && ts.isIterationStatement(container.parent, false); + links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclaratonWithCollidingName = false; + } + } + } + return links.isDeclaratonWithCollidingName; + } + return false; + } + function getReferencedDeclarationWithCollidingName(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; + } + function isDeclarationWithCollidingName(node) { + return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); + } + function isValueAliasDeclaration(node) { + switch (node.kind) { + case 224: + case 226: + case 227: + case 229: + case 233: + return isAliasResolvedToValue(getSymbolOfNode(node)); + case 231: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 230: + return node.expression && node.expression.kind === 69 ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; + } + return false; + } + function isTopLevelValueImportEqualsWithEntityName(node) { + if (node.parent.kind !== 251 || !ts.isInternalModuleImportEqualsDeclaration(node)) { + return false; + } + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + } + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol && compilerOptions.isolatedModules) { + return true; + } + return target !== unknownSymbol && + target && + target.flags & 107455 && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + } + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; + } + function isReferencedAliasDeclaration(node, checkChildren) { + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (getSymbolLinks(symbol).referenced) { + return true; + } + } + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + } + return false; + } + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + return signaturesOfSymbol.length > 1 || + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + } + return false; + } + function getNodeCheckFlags(node) { + return getNodeLinks(node).flags; + } + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; + } + function getConstantValue(node) { + if (node.kind === 250) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8)) { + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); + } + } + return undefined; + } + function isFunctionType(type) { + return type.flags & 80896 && getSignaturesOfType(type, 0).length > 0; + } + function getTypeReferenceSerializationKind(typeName) { + var valueSymbol = resolveEntityName(typeName, 107455, true); + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + var typeSymbol = resolveEntityName(typeName, 793056, true); + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (allConstituentTypesHaveKind(type, 16)) { + return ts.TypeReferenceSerializationKind.VoidType; + } + else if (allConstituentTypesHaveKind(type, 8)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (allConstituentTypesHaveKind(type, 132)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (allConstituentTypesHaveKind(type, 258)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (allConstituentTypesHaveKind(type, 8192)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (allConstituentTypesHaveKind(type, 16777216)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else { + return ts.TypeReferenceSerializationKind.ObjectType; + } + } + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 | 131072)) + ? getTypeOfSymbol(symbol) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getTypeOfExpression(expr); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return ts.hasProperty(globals, name); + } + function getReferencedValueSymbol(reference) { + return getNodeLinks(reference).resolvedSymbol || + resolveName(reference, reference.text, 107455 | 1048576 | 8388608, undefined, undefined); + } + function getReferencedValueDeclaration(reference) { + ts.Debug.assert(!ts.nodeIsSynthesized(reference)); + var symbol = getReferencedValueSymbol(reference); + return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } + function createResolver() { + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration + }; + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, undefined); + if (!moduleSymbol) { + return undefined; + } + return ts.getDeclarationOfKind(moduleSymbol, 251); + } + function initializeTypeChecker() { + ts.forEach(host.getSourceFiles(), function (file) { + ts.bindSourceFile(file, compilerOptions); + }); + var augmentations; + ts.forEach(host.getSourceFiles(), function (file) { + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + }); + if (augmentations) { + for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { + var list = augmentations_1[_i]; + for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { + var augmentation = list_2[_a]; + mergeModuleAugmentation(augmentation); + } + } + } + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + globalArrayType = getGlobalType("Array", 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", 1); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056, undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + if (languageVersion >= 2) { + globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); + globalESSymbolType = getGlobalType("Symbol"); + globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); + globalIterableType = getGlobalType("Iterable", 1); + globalIteratorType = getGlobalType("Iterator", 1); + globalIterableIteratorType = getGlobalType("IterableIterator", 1); + } + else { + globalTemplateStringsArrayType = unknownType; + globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + globalESSymbolConstructorSymbol = undefined; + globalIterableType = emptyGenericType; + globalIteratorType = emptyGenericType; + globalIterableIteratorType = emptyGenericType; + } + anyArrayType = createArrayType(anyType); + } + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); + } + return emptyObjectType; + } + function createThenableType() { + var thenPropertySymbol = createSymbol(67108864 | 4, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(65536); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; + } + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 144 && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } + } + else if (node.kind === 146 || node.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } + } + return false; + } + function checkGrammarModifiers(node) { + switch (node.kind) { + case 146: + case 147: + case 145: + case 142: + case 141: + case 144: + case 143: + case 150: + case 221: + case 225: + case 224: + case 231: + case 230: + case 139: + break; + case 216: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118) && + node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 217: + case 218: + case 196: + case 219: + if (node.modifiers && node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 220: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74) && + node.parent.kind !== 222 && node.parent.kind !== 251) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + default: + return false; + } + if (!node.modifiers) { + return; + } + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + switch (modifier.kind) { + case 74: + if (node.kind !== 220 && node.parent.kind === 217) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74)); + } + break; + case 112: + case 111: + case 110: + var text = void 0; + if (modifier.kind === 112) { + text = "public"; + } + else if (modifier.kind === 111) { + text = "protected"; + lastProtected = modifier; + } + else { + text = "private"; + lastPrivate = modifier; + } + if (flags & 56) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 222 || node.parent.kind === 251) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); + } + else if (flags & 128) { + if (modifier.kind === 110) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 113: + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 222 || node.parent.kind === 251) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 64; + lastStatic = modifier; + break; + case 82: + if (flags & 2) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 4) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 217) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 2; + break; + case 122: + if (flags & 4) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 217) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 4; + lastDeclare = modifier; + break; + case 115: + if (flags & 128) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 217) { + if (node.kind !== 144) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); + } + if (!(node.parent.kind === 217 && node.parent.flags & 128)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 64) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 16) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128; + break; + case 118: + if (flags & 256) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 4 || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 139) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256; + lastAsync = modifier; + break; + } + } + if (node.kind === 145) { + if (flags & 64) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 32) { + return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); + } + else if (flags & 16) { + return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); + } + else if (flags & 256) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + return; + } + else if ((node.kind === 225 || node.kind === 224) && flags & 4) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + } + else if (node.kind === 139 && (flags & 56) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); + } + if (flags & 256) { + return checkGrammarAsyncModifier(node, lastAsync); + } + } + function checkGrammarAsyncModifier(node, asyncModifier) { + if (languageVersion < 2) { + return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); + } + switch (node.kind) { + case 144: + case 216: + case 176: + case 177: + if (!node.asteriskToken) { + return false; + } + break; + } + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); + } + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function checkGrammarTypeParameterList(node, typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; + } + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + } + } + function checkGrammarParameterList(parameters) { + if (checkGrammarForDisallowedTrailingComma(parameters)) { + return true; + } + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } + } + } + function checkGrammarFunctionLikeDeclaration(node) { + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + } + function checkGrammarArrowFunction(node, file) { + if (node.kind === 177) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } + } + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + } + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + if (parameter.flags & 1022) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + } + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + } + if (parameter.type.kind !== 130 && parameter.type.kind !== 128) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + } + } + function checkGrammarForIndexSignatureModifier(node) { + if (node.flags & 1022) { + grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); + } + } + function checkGrammarIndexSignature(node) { + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); + } + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + } + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { + var arg = args_1[_i]; + if (arg.kind === 190) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } + } + function checkGrammarArguments(node, args) { + return checkGrammarForDisallowedTrailingComma(args) || + checkGrammarForOmittedArgument(node, args); + } + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; + } + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + checkGrammarHeritageClause(heritageClause); + } + } + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + checkGrammarHeritageClause(heritageClause); + } + } + return false; + } + function checkGrammarComputedPropertyName(node) { + if (node.kind !== 137) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 184 && computedPropertyName.expression.operatorToken.kind === 24) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } + } + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 216 || + node.kind === 176 || + node.kind === 144); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); + } + } + } + function checkGrammarForInvalidQuestionMark(node, questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); + } + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = {}; + var Property = 1; + var GetAccessor = 2; + var SetAccesor = 4; + var GetOrSetAccessor = GetAccessor | SetAccesor; + var _loop_1 = function(prop) { + var name_19 = prop.name; + if (prop.kind === 190 || + name_19.kind === 137) { + checkGrammarComputedPropertyName(name_19); + return "continue"; + } + if (prop.kind === 249 && !inDestructuring && prop.objectAssignmentInitializer) { + return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; + } + ts.forEach(prop.modifiers, function (mod) { + if (mod.kind !== 118 || prop.kind !== 144) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + }); + var currentKind = void 0; + if (prop.kind === 248 || prop.kind === 249) { + checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_19.kind === 8) { + checkGrammarNumericLiteral(name_19); + } + currentKind = Property; + } + else if (prop.kind === 144) { + currentKind = Property; + } + else if (prop.kind === 146) { + currentKind = GetAccessor; + } + else if (prop.kind === 147) { + currentKind = SetAccesor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + if (!ts.hasProperty(seen, name_19.text)) { + seen[name_19.text] = currentKind; + } + else { + var existingKind = seen[name_19.text]; + if (currentKind === Property && existingKind === Property) { + return "continue"; + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[name_19.text] = currentKind | existingKind; + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; + } + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; + } + } + }; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var state_2 = _loop_1(prop); + if (typeof state_2 === "object") return state_2.value; + if (state_2 === "continue") continue; + } + } + function checkGrammarJsxElement(node) { + var seen = {}; + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 242) { + continue; + } + var jsxAttr = attr; + var name_20 = jsxAttr.name; + if (!ts.hasProperty(seen, name_20.text)) { + seen[name_20.text] = true; + } + else { + return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 243 && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + } + } + } + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 215) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 203 + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } + } + } + return false; + } + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); + } + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); + } + else if (accessor.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); + } + else if (kind === 146 && accessor.parameters.length) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); + } + else if (kind === 147) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else if (accessor.parameters.length !== 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + } + else if (parameter.flags & 1022) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + } + } + } + } + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } + } + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; + } + if (node.parent.kind === 168) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } + } + else if (node.parent.kind === 218) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + } + else if (node.parent.kind === 156) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + } + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 210: + if (node.label && current.label.text === node.label.text) { + var isMisplacedContinueLabel = node.kind === 205 + && !ts.isIterationStatement(current.statement, true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 209: + if (node.kind === 206 && !node.label) { + return false; + } + break; + default: + if (ts.isIterationStatement(current, false) && !node.label) { + return false; + } + break; + } + current = current.parent; + } + if (node.label) { + var message = node.kind === 206 + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + else { + var message = node.kind === 206 + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + } + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 165 || node.name.kind === 164) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } + } + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 203 && node.parent.parent.kind !== 204) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); + } + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 69) { + if (name.originalKeywordKind === 108) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (element.kind !== 190) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } + } + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } + } + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 199: + case 200: + case 201: + case 208: + case 202: + case 203: + case 204: + return false; + case 210: + return allowLetAndConstDeclarations(parent.parent); + } + return true; + } + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } + } + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; + } + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } + } + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || + checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + } + else if (node.parent.kind === 218) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 156) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + } + } + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + if (node.kind === 218 || + node.kind === 219 || + node.kind === 225 || + node.kind === 224 || + node.kind === 231 || + node.kind === 230 || + (node.flags & 4) || + (node.flags & (2 | 512))) { + return false; + } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); + } + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 196) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } + } + } + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + } + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + if (node.parent.kind === 195 || node.parent.kind === 222 || node.parent.kind === 251) { + var links_1 = getNodeLinks(node.parent); + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } + } + } + function checkGrammarNumericLiteral(node) { + if (node.flags & 32768 && languageVersion >= 1) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + } + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), 0, message, arg0, arg1, arg2)); + return true; + } + } + var _a; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +var ts; +(function (ts) { + var nullSourceMapWriter; + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function getNullSourceMapWriter() { + if (nullSourceMapWriter === undefined) { + nullSourceMapWriter = { + getSourceMapData: function () { return undefined; }, + setSourceFile: function (sourceFile) { }, + emitStart: function (range) { }, + emitEnd: function (range, stopOverridingSpan) { }, + emitPos: function (pos) { }, + changeEmitSourcePos: function () { }, + getText: function () { return undefined; }, + getSourceMappingURL: function () { return undefined; }, + initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, + reset: function () { } + }; + } + return nullSourceMapWriter; + } + ts.getNullSourceMapWriter = getNullSourceMapWriter; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var currentSourceFile; + var sourceMapDir; + var stopOverridingSpan = false; + var modifyLastSourcePos = false; + var sourceMapSourceIndex; + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + var sourceMapData; + return { + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitStart: emitStart, + emitEnd: emitEnd, + changeEmitSourcePos: changeEmitSourcePos, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + initialize: initialize, + reset: reset + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (sourceMapData) { + reset(); + } + currentSourceFile = undefined; + sourceMapSourceIndex = -1; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; + } + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); + } + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), host.getCurrentDirectory(), host.getCanonicalFileName, true); + } + else { + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); + } + } + else { + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + } + } + function reset() { + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; + } + function updateLastEncodedAndRecordedSpans() { + if (modifyLastSourcePos) { + modifyLastSourcePos = false; + lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; + lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; + sourceMapData.sourceMapDecodedMappings.pop(); + lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? + sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : + defaultLastEncodedSourceMapSpan; + var sourceMapMappings = sourceMapData.sourceMapMappings; + var lenthToSet = sourceMapMappings.length - 1; + for (; lenthToSet >= 0; lenthToSet--) { + var currentChar = sourceMapMappings.charAt(lenthToSet); + if (currentChar === ",") { + break; + } + if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { + break; + } + } + sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); + } + } + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; + } + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; + } + } + else { + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; + } + prevEncodedEmittedColumn = 1; + } + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; + } + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); + } + function emitPos(pos) { + if (pos === -1) { + return; + } + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + encodeLastRecordedSourceMapSpan(); + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; + stopOverridingSpan = false; + } + else if (!stopOverridingSpan) { + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; + } + updateLastEncodedAndRecordedSpans(); + } + function getStartPos(range) { + var rangeHasDecorators = !!range.decorators; + return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; + } + function emitStart(range) { + emitPos(getStartPos(range)); + } + function emitEnd(range, stopOverridingEnd) { + emitPos(range.end); + stopOverridingSpan = stopOverridingEnd; + } + function changeEmitSourcePos() { + ts.Debug.assert(!modifyLastSourcePos); + modifyLastSourcePos = true; + } + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + sourceMapData.inputSourceFileNames.push(sourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(sourceFile.text); + } + } + } + function getText() { + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent + }); + } + function getSourceMappingURL() { + if (compilerOptions.inlineSourceMap) { + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + else { + return sourceMapData.jsSourceMappingURL; + } + } + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); + } + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; + } + else { + inValue = inValue << 1; + } + var encodedStr = ""; + do { + var currentDigit = inValue & 31; + inValue = inValue >> 5; + if (inValue > 0) { + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); + } + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer = createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + var referencePathsOutput = ""; + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 225); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + write("export {};"); + writeLine(); + } + }); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencePathsOutput: referencePathsOutput + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; + } + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } + } + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); + return writer; + } + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; + } + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 214) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 228 || declaration.kind === 229 || declaration.kind === 226) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 225) { + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 221) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 221) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); + } + function handleSymbolAccessibilityError(symbolAccesibilityResult) { + if (symbolAccesibilityResult.accessibility === 0) { + if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); + } + } + else { + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + } + } + } + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); + } + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } + } + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2, writer); + errorNameNode = undefined; + } + } + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2, writer); + errorNameNode = undefined; + } + } + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } + } + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } + } + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + } + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, true, newLine, ts.writeCommentRange); + } + } + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); + } + function emitType(type) { + switch (type.kind) { + case 117: + case 130: + case 128: + case 120: + case 131: + case 103: + case 162: + case 163: + return writeTextOfNode(currentText, type); + case 191: + return emitExpressionWithTypeArguments(type); + case 152: + return emitTypeReference(type); + case 155: + return emitTypeQuery(type); + case 157: + return emitArrayType(type); + case 158: + return emitTupleType(type); + case 159: + return emitUnionType(type); + case 160: + return emitIntersectionType(type); + case 161: + return emitParenType(type); + case 153: + case 154: + return emitSignatureDeclarationWithJsDocComments(type); + case 156: + return emitTypeLiteral(type); + case 69: + return emitEntityName(type); + case 136: + return emitEntityName(type); + case 151: + return emitTypePredicate(type); + } + function writeEntityName(entityName) { + if (entityName.kind === 69) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 136 ? entityName.left : entityName.expression; + var right = entityName.kind === 136 ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } + } + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, entityName.parent.kind === 224 ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + ts.Debug.assert(node.expression.kind === 69 || node.expression.kind === 169); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); + write("[]"); + } + function emitTupleType(type) { + write("["); + emitCommaList(type.elementTypes, emitType); + write("]"); + } + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); + } + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); + } + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); + } + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); + increaseIndent(); + emitLines(type.members); + decreaseIndent(); + } + write("}"); + } + } + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true); + emitLines(node.statements); + } + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!ts.hasProperty(currentIdentifiers, baseName)) { + return baseName; + } + var count = 0; + while (true) { + count++; + var name_21 = baseName + "_" + count; + if (!ts.hasProperty(currentIdentifiers, name_21)) { + return name_21; + } + } + } + function emitExportAssignment(node) { + if (node.expression.kind === 69) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); + } + else { + var tempVarName = getExportDefaultTempVariableName(); + write("declare var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); + } + write(";"); + writeLine(); + if (node.expression.kind === 69) { + var nodes = resolver.collectLinkedAliases(node.expression); + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic(diagnostic) { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; + } + } + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); + } + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); + } + else if (node.kind === 224 || + (node.parent.kind === 251 && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251) { + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 225) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + } + } + function writeModuleElement(node) { + switch (node.kind) { + case 216: + return writeFunctionDeclaration(node); + case 196: + return writeVariableStatement(node); + case 218: + return writeInterfaceDeclaration(node); + case 217: + return writeClassDeclaration(node); + case 219: + return writeTypeAliasDeclaration(node); + case 220: + return writeEnumDeclaration(node); + case 221: + return writeModuleDeclaration(node); + case 224: + return writeImportEqualsDeclaration(node); + case 225: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); + } + } + function emitModuleElementDeclarationFlags(node) { + if (node.parent.kind === 251) { + if (node.flags & 2) { + write("export "); + } + if (node.flags & 512) { + write("default "); + } + else if (node.kind !== 218 && !noDeclare) { + write("declare "); + } + } + } + function emitClassMemberDeclarationFlags(node) { + if (node.flags & 16) { + write("private "); + } + else if (node.flags & 32) { + write("protected "); + } + if (node.flags & 64) { + write("static "); + } + if (node.flags & 128) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); + } + else { + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; + } + } + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 227) { + return resolver.isDeclarationVisible(namedBindings); + } + else { + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + } + } + } + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2) { + write("export "); + } + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + write(", "); + } + if (node.importClause.namedBindings.kind === 227) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); + } + else { + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); + } + } + write(" from "); + } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); + } + function emitExternalModuleSpecifier(parent) { + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221; + var moduleSpecifier; + if (parent.kind === 224) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); + } + else if (parent.kind === 221) { + moduleSpecifier = parent.name; + } + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; + } + if (moduleSpecifier.kind === 9 && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write("\""); + write(moduleName); + write("\""); + return; + } + } + writeTextOfNode(currentText, moduleSpecifier); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); + } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + writeAsynchronousModuleElements(nodes); + } + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); + } + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); + } + else { + if (node.flags & 65536) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body.kind !== 222) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("type "); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); + write(" = "); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); + write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } + } + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } + write("enum "); + writeTextOfNode(currentText, node.name); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + } + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); + } + write(","); + writeLine(); + } + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 144 && (node.parent.flags & 16); + } + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 153 || + node.parent.kind === 154 || + (node.parent.parent && node.parent.parent.kind === 156)) { + ts.Debug.assert(node.parent.kind === 144 || + node.parent.kind === 143 || + node.parent.kind === 153 || + node.parent.kind === 154 || + node.parent.kind === 148 || + node.parent.kind === 149); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.parent.kind) { + case 217: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 218: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 149: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 144: + case 143: + if (node.parent.flags & 64) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 216: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } + } + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); + } + } + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 93) { + write("null"); + } + function getHeritageClauseVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (node.parent.parent.kind === 217) { + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } + } + } + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (param.flags & 56) { + emitPropertyDeclaration(param); + } + }); + } + } + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (node.flags & 128) { + write("abstract "); + } + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], false); + } + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(node); + emitVariableDeclaration(node); + write(";"); + writeLine(); + } + function emitVariableDeclaration(node) { + if (node.kind !== 214 || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + if ((node.kind === 142 || node.kind === 141) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 142 || node.kind === 141) && node.parent.kind === 156) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.flags & 16)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } + } + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + if (node.kind === 214) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 142 || node.kind === 141) { + if (node.flags & 64) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 217) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, undefined, getBindingElementTypeVisibilityError); + } + } + } + } + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + if (node.type) { + write(": "); + emitType(node.type); + } + } + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + } + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); + } + else { + write("var "); + } + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); + writeLine(); + } + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(node); + writeTextOfNode(currentText, node.name); + if (!(node.flags & 16)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + var anotherAccessor = node.kind === 146 ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); + } + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 146 + ? accessor.type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 147) { + if (accessorWithTypeAnnotation.parent.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + typeName: accessorWithTypeAnnotation.name + }; + } + else { + if (accessorWithTypeAnnotation.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; + } + } + } + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 216) { + emitModuleElementDeclarationFlags(node); + } + else if (node.kind === 144) { + emitClassMemberDeclarationFlags(node); + } + if (node.kind === 216) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 145) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } + } + emitSignatureDeclaration(node); + } + } + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + if (node.kind === 149 || node.kind === 154) { + write("new "); + } + emitTypeParameters(node.typeParameters); + if (node.kind === 150) { + write("["); + } + else { + write("("); + } + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 150) { + write("]"); + } + else { + write(")"); + } + var isFunctionTypeOrConstructorType = node.kind === 153 || node.kind === 154; + if (isFunctionTypeOrConstructorType || node.parent.kind === 156) { + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 145 && !(node.flags & 16)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); + writeLine(); + } + function getReturnTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 149: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 150: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 144: + case 143: + if (node.flags & 64) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 217) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 216: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; + } + } + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + } + if (resolver.isOptionalParameter(node)) { + write("?"); + } + decreaseIndent(); + if (node.parent.kind === 153 || + node.parent.kind === 154 || + node.parent.parent.kind === 156) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.parent.flags & 16)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + } + function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + switch (node.parent.kind) { + case 145: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 149: + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148: + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 144: + case 143: + if (node.parent.flags & 64) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 216: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } + } + function emitBindingPattern(bindingPattern) { + if (bindingPattern.kind === 164) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); + } + else if (bindingPattern.kind === 165) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); + } + } + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 190) { + write(" "); + } + else if (bindingElement.kind === 166) { + if (bindingElement.propertyName) { + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + ts.Debug.assert(bindingElement.name.kind === 69); + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); + } + } + } + } + } + function emitNode(node) { + switch (node.kind) { + case 216: + case 221: + case 224: + case 218: + case 217: + case 219: + case 220: + return emitModuleElement(node, isModuleElementVisible(node)); + case 196: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 225: + return emitModuleElement(node, !node.importClause); + case 231: + return emitExportDeclaration(node); + case 145: + case 144: + case 143: + return writeFunctionDeclaration(node); + case 149: + case 148: + case 150: + return emitSignatureDeclarationWithJsDocComments(node); + case 146: + case 147: + return emitAccessorDeclaration(node); + case 142: + case 141: + return emitPropertyDeclaration(node); + case 250: + return emitEnumMemberDeclaration(node); + case 230: + return emitExportAssignment(node); + case 251: + return emitSourceFile(node); + } + } + function writeReferencePath(referencedFile, addBundledFileReference) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + declFileName = referencedFile.fileName; + } + else { + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); + } + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, false); + referencePathsOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; + } + } + } + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencePathsOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getResolvedExternalModuleName(host, file) { + return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); + } + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || ts.isDeclarationFile(file)) { + return undefined; + } + return getResolvedExternalModuleName(host, file); + } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + var entities = { + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }; + function emitFiles(resolver, host, targetSourceFile) { + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var modulekind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emitSkipped = false; + var newLine = host.getNewLine(); + var emitJavaScript = createFileEmitter(); + ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + sourceMaps: sourceMapDataList + }; + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + if (node.locals[name].flags & (107455 | 1048576 | 8388608)) { + return false; + } + } + } + return true; + } + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = {}; + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = {}; + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } + } + function hoistVariableDeclarationFromLoop(state, declaration) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(declaration.name); + function visit(node) { + if (node.kind === 69) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { + var element = _b[_a]; + visit(element.name); + } + } + } + } + function createFileEmitter() { + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); + var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; + var currentSourceFile; + var currentText; + var currentLineMap; + var currentFileIdentifiers; + var renamedDependencies; + var isEs6Module; + var isCurrentFileExternalModule; + var exportFunctionForFile; + var contextObjectForFile; + var generatedNameSet; + var nodeToGeneratedName; + var computedPropertyNamesToGeneratedNames; + var decoratedClassAliases; + var convertedLoopState; + var extendsEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var tempFlags = 0; + var tempVariables; + var tempParameters; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var detachedCommentsInfo; + var sourceMapData; + var isOwnFileEmit; + var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; + var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; + var moduleEmitDelegates = (_a = {}, + _a[5] = emitES6Module, + _a[2] = emitAMDModule, + _a[4] = emitSystemModule, + _a[3] = emitUMDModule, + _a[1] = emitCommonJSModule, + _a + ); + var bundleEmitDelegates = (_b = {}, + _b[5] = function () { }, + _b[2] = emitAMDModule, + _b[4] = emitSystemModule, + _b[3] = function () { }, + _b[1] = function () { }, + _b + ); + return doEmit; + function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + generatedNameSet = {}; + nodeToGeneratedName = []; + decoratedClassAliases = []; + isOwnFileEmit = !isBundledEmit; + if (isBundledEmit && modulekind) { + ts.forEach(sourceFiles, emitEmitHelpers); + } + ts.forEach(sourceFiles, emitSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# sourceMappingURL=" + sourceMappingURL); + } + writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, compilerOptions.emitBOM); + sourceMap.reset(); + writer.reset(); + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + generatedNameSet = undefined; + nodeToGeneratedName = undefined; + decoratedClassAliases = undefined; + computedPropertyNamesToGeneratedNames = undefined; + convertedLoopState = undefined; + extendsEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = undefined; + detachedCommentsInfo = undefined; + sourceMapData = undefined; + isEs6Module = false; + renamedDependencies = undefined; + isCurrentFileExternalModule = false; + } + function emitSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = sourceFile.text; + currentLineMap = ts.getLineStarts(sourceFile); + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; + renamedDependencies = sourceFile.renamedDependencies; + currentFileIdentifiers = sourceFile.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(sourceFile); + setSourceFile(sourceFile); + emitNodeWithCommentsAndWithoutSourcemap(sourceFile); + } + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_22 = flags === 268435456 ? "_i" : "_n"; + if (isUniqueName(name_22)) { + tempFlags |= flags; + return name_22; + } + } + while (true) { + var count = tempFlags & 268435455; + tempFlags++; + if (count !== 8 && count !== 13) { + var name_23 = count < 26 ? "_" + String.fromCharCode(97 + count) : "_" + (count - 26); + if (isUniqueName(name_23)) { + return name_23; + } + } + } + } + function makeUniqueName(baseName) { + if (baseName.charCodeAt(baseName.length - 1) !== 95) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; + } + i++; + } + } + function generateNameForModuleOrEnum(node) { + var name = node.name.text; + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 69: + return makeUniqueName(node.text); + case 221: + case 220: + return generateNameForModuleOrEnum(node); + case 225: + case 231: + return generateNameForImportOrExportDeclaration(node); + case 216: + case 217: + case 230: + return generateNameForExportDefault(); + case 189: + return generateNameForClassExpression(); + } + } + function getGeneratedNameForNode(node) { + var id = ts.getNodeId(node); + return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); + } + function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); + } + function createTempVariable(flags) { + var result = ts.createSynthesizedNode(69); + result.text = makeTempVariableName(flags); + return result; + } + function recordTempDeclaration(name) { + if (!tempVariables) { + tempVariables = []; + } + tempVariables.push(name); + } + function createAndRecordTempVariable(flags) { + var temp = createTempVariable(flags); + recordTempDeclaration(temp); + return temp; + } + function emitTempDeclarations(newLine) { + if (tempVariables) { + if (newLine) { + writeLine(); + } + else { + write(" "); + } + write("var "); + emitCommaList(tempVariables); + write(";"); + } + } + function emitToken(tokenKind, startPos, emitFn) { + var tokenStartPos = ts.skipTrivia(currentText, startPos); + emitPos(tokenStartPos); + var tokenString = ts.tokenToString(tokenKind); + if (emitFn) { + emitFn(); + } + else { + write(tokenString); + } + var tokenEndPos = tokenStartPos + tokenString.length; + emitPos(tokenEndPos); + return tokenEndPos; + } + function emitOptional(prefix, node) { + if (node) { + write(prefix); + emit(node); + } + } + function emitParenthesizedIf(node, parenthesized) { + if (parenthesized) { + write("("); + } + emit(node); + if (parenthesized) { + write(")"); + } + } + function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { + ts.Debug.assert(nodes.length > 0); + increaseIndent(); + if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + for (var i = 0, n = nodes.length; i < n; i++) { + if (i) { + if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { + write(", "); + } + else { + write(","); + writeLine(); + } + } + emit(nodes[i]); + } + if (nodes.hasTrailingComma && allowTrailingComma) { + write(","); + } + decreaseIndent(); + if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + } + function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { + if (!emitNode) { + emitNode = emit; + } + for (var i = 0; i < count; i++) { + if (multiLine) { + if (i || leadingComma) { + write(","); + } + writeLine(); + } + else { + if (i || leadingComma) { + write(", "); + } + } + var node = nodes[start + i]; + emitTrailingCommentsOfPosition(node.pos); + emitNode(node); + leadingComma = true; + } + if (trailingComma) { + write(","); + } + if (multiLine && !noTrailingNewLine) { + writeLine(); + } + return count; + } + function emitCommaList(nodes) { + if (nodes) { + emitList(nodes, 0, nodes.length, false, false); + } + } + function emitLines(nodes) { + emitLinesStartingAt(nodes, 0); + } + function emitLinesStartingAt(nodes, startIndex) { + for (var i = startIndex; i < nodes.length; i++) { + writeLine(); + emit(nodes[i]); + } + } + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98: + case 66: + case 111: + case 79: + return true; + } + } + return false; + } + function emitLiteral(node) { + var text = getLiteralText(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else if (languageVersion < 2 && isBinaryOrOctalIntegerLiteral(node, text)) { + write(node.text); + } + else { + write(text); + } + } + function getLiteralText(node) { + if (languageVersion < 2 && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText("\"", node.text, "\""); + } + if (node.parent) { + return ts.getTextOfNodeFromSourceText(currentText, node); + } + switch (node.kind) { + case 9: + return getQuotedEscapedLiteralText("\"", node.text, "\""); + case 11: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 12: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 13: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 14: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); + } + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; + } + function emitDownlevelRawTemplateLiteral(node) { + var text = ts.getTextOfNodeFromSourceText(currentText, node); + var isLast = node.kind === 11 || node.kind === 14; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + text = text.replace(/\r\n?/g, "\n"); + text = ts.escapeString(text); + write("\"" + text + "\""); + } + function emitDownlevelTaggedTemplateArray(node, literalEmitter) { + write("["); + if (node.template.kind === 11) { + literalEmitter(node.template); + } + else { + literalEmitter(node.template.head); + ts.forEach(node.template.templateSpans, function (child) { + write(", "); + literalEmitter(child.literal); + }); + } + write("]"); + } + function emitDownlevelTaggedTemplate(node) { + var tempVariable = createAndRecordTempVariable(0); + write("("); + emit(tempVariable); + write(" = "); + emitDownlevelTaggedTemplateArray(node, emit); + write(", "); + emit(tempVariable); + write(".raw = "); + emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); + write(", "); + emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); + write("("); + emit(tempVariable); + if (node.template.kind === 186) { + ts.forEach(node.template.templateSpans, function (templateSpan) { + write(", "); + var needsParens = templateSpan.expression.kind === 184 + && templateSpan.expression.operatorToken.kind === 24; + emitParenthesizedIf(templateSpan.expression, needsParens); + }); + } + write("))"); + } + function emitTemplateExpression(node) { + if (languageVersion >= 2) { + ts.forEachChild(node, emit); + return; + } + var emitOuterParens = ts.isExpression(node.parent) + && templateNeedsParens(node, node.parent); + if (emitOuterParens) { + write("("); + } + var headEmitted = false; + if (shouldEmitTemplateHead()) { + emitLiteral(node.head); + headEmitted = true; + } + for (var i = 0, n = node.templateSpans.length; i < n; i++) { + var templateSpan = node.templateSpans[i]; + var needsParens = templateSpan.expression.kind !== 175 + && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1; + if (i > 0 || headEmitted) { + write(" + "); + } + emitParenthesizedIf(templateSpan.expression, needsParens); + if (templateSpan.literal.text.length !== 0) { + write(" + "); + emitLiteral(templateSpan.literal); + } + } + if (emitOuterParens) { + write(")"); + } + function shouldEmitTemplateHead() { + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function templateNeedsParens(template, parent) { + switch (parent.kind) { + case 171: + case 172: + return parent.expression === template; + case 173: + case 175: + return false; + default: + return comparePrecedenceToBinaryPlus(parent) !== -1; + } + } + function comparePrecedenceToBinaryPlus(expression) { + switch (expression.kind) { + case 184: + switch (expression.operatorToken.kind) { + case 37: + case 39: + case 40: + return 1; + case 35: + case 36: + return 0; + default: + return -1; + } + case 187: + case 185: + return -1; + default: + return 1; + } + } + } + function emitTemplateSpan(span) { + emit(span.expression); + emit(span.literal); + } + function jsxEmitReact(node) { + function emitTagName(name) { + if (name.kind === 69 && ts.isIntrinsicJsxName(name.text)) { + write("\""); + emit(name); + write("\""); + } + else { + emit(name); + } + } + function emitAttributeName(name) { + if (/^[A-Za-z_]\w*$/.test(name.text)) { + emit(name); + } + else { + write("\""); + emit(name); + write("\""); + } + } + function emitJsxAttribute(node) { + emitAttributeName(node.name); + write(": "); + if (node.initializer) { + emit(node.initializer); + } + else { + write("true"); + } + } + function emitJsxElement(openingNode, children) { + var syntheticReactRef = ts.createSynthesizedNode(69); + syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + syntheticReactRef.parent = openingNode; + emitLeadingComments(openingNode); + emitExpressionIdentifier(syntheticReactRef); + write(".createElement("); + emitTagName(openingNode.tagName); + write(", "); + if (openingNode.attributes.length === 0) { + write("null"); + } + else { + var attrs = openingNode.attributes; + if (ts.forEach(attrs, function (attr) { return attr.kind === 242; })) { + emitExpressionIdentifier(syntheticReactRef); + write(".__spread("); + var haveOpenedObjectLiteral = false; + for (var i = 0; i < attrs.length; i++) { + if (attrs[i].kind === 242) { + if (i === 0) { + write("{}, "); + } + if (haveOpenedObjectLiteral) { + write("}"); + haveOpenedObjectLiteral = false; + } + if (i > 0) { + write(", "); + } + emit(attrs[i].expression); + } + else { + ts.Debug.assert(attrs[i].kind === 241); + if (haveOpenedObjectLiteral) { + write(", "); + } + else { + haveOpenedObjectLiteral = true; + if (i > 0) { + write(", "); + } + write("{"); + } + emitJsxAttribute(attrs[i]); + } + } + if (haveOpenedObjectLiteral) + write("}"); + write(")"); + } + else { + write("{"); + for (var i = 0, n = attrs.length; i < n; i++) { + if (i > 0) { + write(", "); + } + emitJsxAttribute(attrs[i]); + } + write("}"); + } + } + if (children) { + for (var i = 0; i < children.length; i++) { + if (children[i].kind === 243 && !(children[i].expression)) { + continue; + } + if (children[i].kind === 239) { + var text = getTextToEmit(children[i]); + if (text !== undefined) { + write(", \""); + write(text); + write("\""); + } + } + else { + write(", "); + emit(children[i]); + } + } + } + write(")"); + emitTrailingComments(openingNode); + } + if (node.kind === 236) { + emitJsxElement(node.openingElement, node.children); + } + else { + ts.Debug.assert(node.kind === 237); + emitJsxElement(node); + } + } + function jsxEmitPreserve(node) { + function emitJsxAttribute(node) { + emit(node.name); + if (node.initializer) { + write("="); + emit(node.initializer); + } + } + function emitJsxSpreadAttribute(node) { + write("{..."); + emit(node.expression); + write("}"); + } + function emitAttributes(attribs) { + for (var i = 0, n = attribs.length; i < n; i++) { + if (i > 0) { + write(" "); + } + if (attribs[i].kind === 242) { + emitJsxSpreadAttribute(attribs[i]); + } + else { + ts.Debug.assert(attribs[i].kind === 241); + emitJsxAttribute(attribs[i]); + } + } + } + function emitJsxOpeningOrSelfClosingElement(node) { + write("<"); + emit(node.tagName); + if (node.attributes.length > 0 || (node.kind === 237)) { + write(" "); + } + emitAttributes(node.attributes); + if (node.kind === 237) { + write("/>"); + } + else { + write(">"); + } + } + function emitJsxClosingElement(node) { + write(""); + } + function emitJsxElement(node) { + emitJsxOpeningOrSelfClosingElement(node.openingElement); + for (var i = 0, n = node.children.length; i < n; i++) { + emit(node.children[i]); + } + emitJsxClosingElement(node.closingElement); + } + if (node.kind === 236) { + emitJsxElement(node); + } + else { + ts.Debug.assert(node.kind === 237); + emitJsxOpeningOrSelfClosingElement(node); + } + } + function emitExpressionForPropertyName(node) { + ts.Debug.assert(node.kind !== 166); + if (node.kind === 9) { + emitLiteral(node); + } + else if (node.kind === 137) { + if (ts.nodeIsDecorated(node.parent)) { + if (!computedPropertyNamesToGeneratedNames) { + computedPropertyNamesToGeneratedNames = []; + } + var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; + if (generatedName) { + write(generatedName); + return; + } + generatedName = createAndRecordTempVariable(0).text; + computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; + write(generatedName); + write(" = "); + } + emit(node.expression); + } + else { + write("\""); + if (node.kind === 8) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + write("\""); + } + } + function isExpressionIdentifier(node) { + var parent = node.parent; + switch (parent.kind) { + case 167: + case 192: + case 184: + case 171: + case 244: + case 137: + case 185: + case 140: + case 178: + case 200: + case 170: + case 230: + case 198: + case 191: + case 202: + case 203: + case 204: + case 199: + case 240: + case 237: + case 238: + case 242: + case 243: + case 172: + case 175: + case 183: + case 182: + case 207: + case 249: + case 188: + case 209: + case 173: + case 193: + case 211: + case 174: + case 179: + case 180: + case 201: + case 208: + case 187: + return true; + case 166: + case 250: + case 139: + case 248: + case 142: + case 214: + return parent.initializer === node; + case 169: + return parent.expression === node; + case 177: + case 176: + return parent.body === node; + case 224: + return parent.moduleReference === node; + case 136: + return parent.left === node; + } + return false; + } + function emitExpressionIdentifier(node) { + var container = resolver.getReferencedExportContainer(node); + if (container) { + if (container.kind === 251) { + if (modulekind !== 5 && modulekind !== 4) { + write("exports."); + } + } + else { + write(getGeneratedNameForNode(container)); + write("."); + } + } + else { + if (modulekind !== 5) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (declaration.kind === 226) { + write(getGeneratedNameForNode(declaration.parent)); + write(languageVersion === 0 ? "[\"default\"]" : ".default"); + return; + } + else if (declaration.kind === 229) { + write(getGeneratedNameForNode(declaration.parent.parent.parent)); + var name_24 = declaration.propertyName || declaration.name; + var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); + if (languageVersion === 0 && identifier === "default") { + write("[\"default\"]"); + } + else { + write("."); + write(identifier); + } + return; + } + } + } + if (languageVersion < 2) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + write(getGeneratedNameForNode(declaration.name)); + return; + } + } + else if (resolver.getNodeCheckFlags(node) & 1048576) { + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; + if (classAlias !== undefined) { + write(classAlias); + return; + } + } + } + } + if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { + if (languageVersion < 2) { + var parent_8 = node.parent; + switch (parent_8.kind) { + case 166: + case 217: + case 220: + case 214: + return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); + } + } + return false; + } + function emitIdentifier(node) { + if (convertedLoopState) { + if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { + var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); + write(name_25); + return; + } + } + if (!node.parent) { + write(node.text); + } + else if (isExpressionIdentifier(node)) { + emitExpressionIdentifier(node); + } + else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { + write(getGeneratedNameForNode(node)); + } + else if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function emitThis(node) { + if (resolver.getNodeCheckFlags(node) & 2) { + write("_this"); + } + else if (convertedLoopState) { + write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); + } + else { + write("this"); + } + } + function emitSuper(node) { + if (languageVersion >= 2) { + write("super"); + } + else { + var flags = resolver.getNodeCheckFlags(node); + if (flags & 256) { + write("_super.prototype"); + } + else { + write("_super"); + } + } + } + function emitObjectBindingPattern(node) { + write("{ "); + var elements = node.elements; + emitList(elements, 0, elements.length, false, elements.hasTrailingComma); + write(" }"); + } + function emitArrayBindingPattern(node) { + write("["); + var elements = node.elements; + emitList(elements, 0, elements.length, false, elements.hasTrailingComma); + write("]"); + } + function emitBindingElement(node) { + if (node.propertyName) { + emit(node.propertyName); + write(": "); + } + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emit(node.name); + } + else { + emitModuleMemberName(node); + } + emitOptional(" = ", node.initializer); + } + function emitSpreadElementExpression(node) { + write("..."); + emit(node.expression); + } + function emitYieldExpression(node) { + write(ts.tokenToString(114)); + if (node.asteriskToken) { + write("*"); + } + if (node.expression) { + write(" "); + emit(node.expression); + } + } + function emitAwaitExpression(node) { + var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); + if (needsParenthesis) { + write("("); + } + write(ts.tokenToString(114)); + write(" "); + emit(node.expression); + if (needsParenthesis) { + write(")"); + } + } + function needsParenthesisForAwaitExpressionAsYield(node) { + if (node.parent.kind === 184 && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { + return true; + } + else if (node.parent.kind === 185 && node.parent.condition === node) { + return true; + } + return false; + } + function needsParenthesisForPropertyAccessOrInvocation(node) { + switch (node.kind) { + case 69: + case 167: + case 169: + case 170: + case 171: + case 175: + return false; + } + return true; + } + function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { + var pos = 0; + var group = 0; + var length = elements.length; + while (pos < length) { + if (group === 1 && useConcat) { + write(".concat("); + } + else if (group > 0) { + write(", "); + } + var e = elements[pos]; + if (e.kind === 188) { + e = e.expression; + emitParenthesizedIf(e, group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); + pos++; + if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167) { + write(".slice()"); + } + } + else { + var i = pos; + while (i < length && elements[i].kind !== 188) { + i++; + } + write("["); + if (multiLine) { + increaseIndent(); + } + emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); + if (multiLine) { + decreaseIndent(); + } + write("]"); + pos = i; + } + group++; + } + if (group > 1) { + if (useConcat) { + write(")"); + } + } + } + function isSpreadElementExpression(node) { + return node.kind === 188; + } + function emitArrayLiteral(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); + } + else if (languageVersion >= 2 || !ts.forEach(elements, isSpreadElementExpression)) { + write("["); + emitLinePreservingList(node, node.elements, elements.hasTrailingComma, false); + write("]"); + } + else { + emitListWithSpread(elements, true, (node.flags & 1024) !== 0, elements.hasTrailingComma, true); + } + } + function emitObjectLiteralBody(node, numElements) { + if (numElements === 0) { + write("{}"); + return; + } + write("{"); + if (numElements > 0) { + var properties = node.properties; + if (numElements === properties.length) { + emitLinePreservingList(node, properties, languageVersion >= 1, true); + } + else { + var multiLine = (node.flags & 1024) !== 0; + if (!multiLine) { + write(" "); + } + else { + increaseIndent(); + } + emitList(properties, 0, numElements, multiLine, false); + if (!multiLine) { + write(" "); + } + else { + decreaseIndent(); + } + } + } + write("}"); + } + function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { + var multiLine = (node.flags & 1024) !== 0; + var properties = node.properties; + write("("); + if (multiLine) { + increaseIndent(); + } + var tempVar = createAndRecordTempVariable(0); + emit(tempVar); + write(" = "); + emitObjectLiteralBody(node, firstComputedPropertyIndex); + for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { + writeComma(); + var property = properties[i]; + emitStart(property); + if (property.kind === 146 || property.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property !== accessors.firstAccessor) { + continue; + } + write("Object.defineProperty("); + emit(tempVar); + write(", "); + emitStart(node.name); + emitExpressionForPropertyName(property.name); + emitEnd(property.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("})"); + emitEnd(property); + } + else { + emitLeadingComments(property); + emitStart(property.name); + emit(tempVar); + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + if (property.kind === 248) { + emit(property.initializer); + } + else if (property.kind === 249) { + emitExpressionIdentifier(property.name); + } + else if (property.kind === 144) { + emitFunctionDeclaration(property); + } + else { + ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); + } + } + emitEnd(property); + } + writeComma(); + emit(tempVar); + if (multiLine) { + decreaseIndent(); + writeLine(); + } + write(")"); + function writeComma() { + if (multiLine) { + write(","); + writeLine(); + } + else { + write(", "); + } + } + } + function emitObjectLiteral(node) { + var properties = node.properties; + if (languageVersion < 2) { + var numProperties = properties.length; + var numInitialNonComputedProperties = numProperties; + for (var i = 0, n = properties.length; i < n; i++) { + if (properties[i].name.kind === 137) { + numInitialNonComputedProperties = i; + break; + } + } + var hasComputedProperty = numInitialNonComputedProperties !== properties.length; + if (hasComputedProperty) { + emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); + return; + } + } + emitObjectLiteralBody(node, properties.length); + } + function createBinaryExpression(left, operator, right, startsOnNewLine) { + var result = ts.createSynthesizedNode(184, startsOnNewLine); + result.operatorToken = ts.createSynthesizedNode(operator); + result.left = left; + result.right = right; + return result; + } + function createPropertyAccessExpression(expression, name) { + var result = ts.createSynthesizedNode(169); + result.expression = parenthesizeForAccess(expression); + result.dotToken = ts.createSynthesizedNode(21); + result.name = name; + return result; + } + function createElementAccessExpression(expression, argumentExpression) { + var result = ts.createSynthesizedNode(170); + result.expression = parenthesizeForAccess(expression); + result.argumentExpression = argumentExpression; + return result; + } + function parenthesizeForAccess(expr) { + while (expr.kind === 174 || expr.kind === 192) { + expr = expr.expression; + } + if (ts.isLeftHandSideExpression(expr) && + expr.kind !== 172 && + expr.kind !== 8) { + return expr; + } + var node = ts.createSynthesizedNode(175); + node.expression = expr; + return node; + } + function emitComputedPropertyName(node) { + write("["); + emitExpressionForPropertyName(node); + write("]"); + } + function emitMethod(node) { + if (languageVersion >= 2 && node.asteriskToken) { + write("*"); + } + emit(node.name); + if (languageVersion < 2) { + write(": function "); + } + emitSignatureAndBody(node); + } + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + emitTrailingCommentsOfPosition(node.initializer.pos); + emit(node.initializer); + } + function isNamespaceExportReference(node) { + var container = resolver.getReferencedExportContainer(node); + return container && container.kind !== 251; + } + function emitShorthandPropertyAssignment(node) { + writeTextOfNode(currentText, node.name); + if (modulekind !== 5 || isNamespaceExportReference(node.name)) { + write(": "); + emit(node.name); + } + if (languageVersion >= 2 && node.objectAssignmentInitializer) { + write(" = "); + emit(node.objectAssignmentInitializer); + } + } + function tryEmitConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + write(constantValue.toString()); + if (!compilerOptions.removeComments) { + var propertyName = node.kind === 169 ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); + write(" /* " + propertyName + " */"); + } + return true; + } + return false; + } + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; + } + return node.kind === 169 || node.kind === 170 + ? resolver.getConstantValue(node) + : undefined; + } + function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { + var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); + var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); + if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { + increaseIndent(); + writeLine(); + return true; + } + else { + if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + return false; + } + } + function emitPropertyAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 && + node.expression.kind === 95 && + isInAsyncMethodWithSuperInES6(node)) { + var name_26 = ts.createSynthesizedNode(9); + name_26.text = node.name.text; + emitSuperAccessInAsyncMethod(node.expression, name_26); + return; + } + emit(node.expression); + var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); + var shouldEmitSpace = false; + if (!indentedBeforeDot) { + if (node.expression.kind === 8) { + var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); + shouldEmitSpace = text.indexOf(ts.tokenToString(21)) < 0; + } + else { + var constantValue = tryGetConstEnumValue(node.expression); + shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; + } + } + if (shouldEmitSpace) { + write(" ."); + } + else { + write("."); + } + var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); + emit(node.name); + decreaseIndentIf(indentedBeforeDot, indentedAfterDot); + } + function emitQualifiedName(node) { + emit(node.left); + write("."); + emit(node.right); + } + function emitQualifiedNameAsExpression(node, useFallback) { + if (node.left.kind === 69) { + emitEntityNameAsExpression(node.left, useFallback); + } + else if (useFallback) { + var temp = createAndRecordTempVariable(0); + write("("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(node.left, true); + write(") && "); + emitNodeWithoutSourceMap(temp); + } + else { + emitEntityNameAsExpression(node.left, false); + } + write("."); + emit(node.right); + } + function emitEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 69: + if (useFallback) { + write("typeof "); + emitExpressionIdentifier(node); + write(" !== 'undefined' && "); + } + emitExpressionIdentifier(node); + break; + case 136: + emitQualifiedNameAsExpression(node, useFallback); + break; + default: + emitNodeWithoutSourceMap(node); + break; + } + } + function emitIndexedAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 && + node.expression.kind === 95 && + isInAsyncMethodWithSuperInES6(node)) { + emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); + return; + } + emit(node.expression); + write("["); + emit(node.argumentExpression); + write("]"); + } + function hasSpreadElement(elements) { + return ts.forEach(elements, function (e) { return e.kind === 188; }); + } + function skipParentheses(node) { + while (node.kind === 175 || node.kind === 174 || node.kind === 192) { + node = node.expression; + } + return node; + } + function emitCallTarget(node) { + if (node.kind === 69 || node.kind === 97 || node.kind === 95) { + emit(node); + return node; + } + var temp = createAndRecordTempVariable(0); + write("("); + emit(temp); + write(" = "); + emit(node); + write(")"); + return temp; + } + function emitCallWithSpread(node) { + var target; + var expr = skipParentheses(node.expression); + if (expr.kind === 169) { + target = emitCallTarget(expr.expression); + write("."); + emit(expr.name); + } + else if (expr.kind === 170) { + target = emitCallTarget(expr.expression); + write("["); + emit(expr.argumentExpression); + write("]"); + } + else if (expr.kind === 95) { + target = expr; + write("_super"); + } + else { + emit(node.expression); + } + write(".apply("); + if (target) { + if (target.kind === 95) { + emitThis(target); + } + else { + emit(target); + } + } + else { + write("void 0"); + } + write(", "); + emitListWithSpread(node.arguments, false, false, false, true); + write(")"); + } + function isInAsyncMethodWithSuperInES6(node) { + if (languageVersion === 2) { + var container = ts.getSuperContainer(node, false); + if (container && resolver.getNodeCheckFlags(container) & (2048 | 4096)) { + return true; + } + } + return false; + } + function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { + var container = ts.getSuperContainer(superNode, false); + var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096; + write("_super("); + emit(argumentExpression); + write(isSuperBinding ? ").value" : ")"); + } + function emitCallExpression(node) { + if (languageVersion < 2 && hasSpreadElement(node.arguments)) { + emitCallWithSpread(node); + return; + } + var expression = node.expression; + var superCall = false; + var isAsyncMethodWithSuper = false; + if (expression.kind === 95) { + emitSuper(expression); + superCall = true; + } + else { + superCall = ts.isSuperPropertyOrElementAccess(expression); + isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); + emit(expression); + } + if (superCall && (languageVersion < 2 || isAsyncMethodWithSuper)) { + write(".call("); + emitThis(expression); + if (node.arguments.length) { + write(", "); + emitCommaList(node.arguments); + } + write(")"); + } + else { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + function emitNewExpression(node) { + write("new "); + if (languageVersion === 1 && + node.arguments && + hasSpreadElement(node.arguments)) { + write("("); + var target = emitCallTarget(node.expression); + write(".bind.apply("); + emit(target); + write(", [void 0].concat("); + emitListWithSpread(node.arguments, false, false, false, false); + write(")))"); + write("()"); + } + else { + emit(node.expression); + if (node.arguments) { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + } + function emitTaggedTemplateExpression(node) { + if (languageVersion >= 2) { + emit(node.tag); + write(" "); + emit(node.template); + } + else { + emitDownlevelTaggedTemplate(node); + } + } + function emitParenExpression(node) { + if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177) { + if (node.expression.kind === 174 || node.expression.kind === 192) { + var operand = node.expression.expression; + while (operand.kind === 174 || operand.kind === 192) { + operand = operand.expression; + } + if (operand.kind !== 182 && + operand.kind !== 180 && + operand.kind !== 179 && + operand.kind !== 178 && + operand.kind !== 183 && + operand.kind !== 172 && + !(operand.kind === 171 && node.parent.kind === 172) && + !(operand.kind === 176 && node.parent.kind === 171) && + !(operand.kind === 8 && node.parent.kind === 169)) { + emit(operand); + return; + } + } + } + write("("); + emit(node.expression); + write(")"); + } + function emitDeleteExpression(node) { + write(ts.tokenToString(78)); + write(" "); + emit(node.expression); + } + function emitVoidExpression(node) { + write(ts.tokenToString(103)); + write(" "); + emit(node.expression); + } + function emitTypeOfExpression(node) { + write(ts.tokenToString(101)); + write(" "); + emit(node.expression); + } + function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { + if (!isCurrentFileSystemExternalModule() || node.kind !== 69 || ts.nodeIsSynthesized(node)) { + return false; + } + var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 || node.parent.kind === 166); + var targetDeclaration = isVariableDeclarationOrBindingElement + ? node.parent + : resolver.getReferencedValueDeclaration(node); + return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, true); + } + function emitPrefixUnaryExpression(node) { + var exportChanged = (node.operator === 41 || node.operator === 42) && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + } + write(ts.tokenToString(node.operator)); + if (node.operand.kind === 182) { + var operand = node.operand; + if (node.operator === 35 && (operand.operator === 35 || operand.operator === 41)) { + write(" "); + } + else if (node.operator === 36 && (operand.operator === 36 || operand.operator === 42)) { + write(" "); + } + } + emit(node.operand); + if (exportChanged) { + write(")"); + } + } + function emitPostfixUnaryExpression(node) { + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + write("(" + exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + write(ts.tokenToString(node.operator)); + emit(node.operand); + if (node.operator === 41) { + write(") - 1)"); + } + else { + write(") + 1)"); + } + } + else { + emit(node.operand); + write(ts.tokenToString(node.operator)); + } + } + function shouldHoistDeclarationInSystemJsModule(node) { + return isSourceFileLevelDeclarationInSystemJsModule(node, false); + } + function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { + if (!node || !isCurrentFileSystemExternalModule()) { + return false; + } + var current = ts.getRootDeclaration(node).parent; + while (current) { + if (current.kind === 251) { + return !isExported || ((ts.getCombinedNodeFlags(node) & 2) !== 0); + } + else if (ts.isDeclaration(current)) { + return false; + } + else { + current = current.parent; + } + } + } + function emitExponentiationOperator(node) { + var leftHandSideExpression = node.left; + if (node.operatorToken.kind === 60) { + var synthesizedLHS = void 0; + var shouldEmitParentheses = false; + if (ts.isElementAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(170, false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); + synthesizedLHS.expression = identifier; + if (leftHandSideExpression.argumentExpression.kind !== 8 && + leftHandSideExpression.argumentExpression.kind !== 9) { + var tempArgumentExpression = createAndRecordTempVariable(268435456); + synthesizedLHS.argumentExpression = tempArgumentExpression; + emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, true, leftHandSideExpression.expression); + } + else { + synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; + } + write(", "); + } + else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(169, false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, false, false); + synthesizedLHS.expression = identifier; + synthesizedLHS.dotToken = leftHandSideExpression.dotToken; + synthesizedLHS.name = leftHandSideExpression.name; + write(", "); + } + emit(synthesizedLHS || leftHandSideExpression); + write(" = "); + write("Math.pow("); + emit(synthesizedLHS || leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + if (shouldEmitParentheses) { + write(")"); + } + } + else { + write("Math.pow("); + emit(leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + } + } + function emitBinaryExpression(node) { + if (languageVersion < 2 && node.operatorToken.kind === 56 && + (node.left.kind === 168 || node.left.kind === 167)) { + emitDestructuring(node, node.parent.kind === 198); + } + else { + var exportChanged = node.operatorToken.kind >= 56 && + node.operatorToken.kind <= 68 && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.left); + write("\", "); + } + if (node.operatorToken.kind === 38 || node.operatorToken.kind === 60) { + emitExponentiationOperator(node); + } + else { + emit(node.left); + var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 ? " " : undefined); + write(ts.tokenToString(node.operatorToken.kind)); + var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); + emit(node.right); + decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); + } + if (exportChanged) { + write(")"); + } + } + } + function synthesizedNodeStartsOnNewLine(node) { + return ts.nodeIsSynthesized(node) && node.startsOnNewLine; + } + function emitConditionalExpression(node) { + emit(node.condition); + var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); + write("?"); + var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); + emit(node.whenTrue); + decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); + var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); + write(":"); + var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); + emit(node.whenFalse); + decreaseIndentIf(indentedBeforeColon, indentedAfterColon); + } + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function isSingleLineEmptyBlock(node) { + if (node && node.kind === 195) { + var block = node; + return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); + } + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + emitToken(15, node.pos); + write(" "); + emitToken(16, node.statements.end); + return; + } + emitToken(15, node.pos); + increaseIndent(); + if (node.kind === 222) { + ts.Debug.assert(node.parent.kind === 221); + emitCaptureThisForNodeIfNecessary(node.parent); + } + emitLines(node.statements); + if (node.kind === 222) { + emitTempDeclarations(true); + } + decreaseIndent(); + writeLine(); + emitToken(16, node.statements.end); + } + function emitEmbeddedStatement(node) { + if (node.kind === 195) { + write(" "); + emit(node); + } + else { + increaseIndent(); + writeLine(); + emit(node); + decreaseIndent(); + } + } + function emitExpressionStatement(node) { + emitParenthesizedIf(node.expression, node.expression.kind === 177); + write(";"); + } + function emitIfStatement(node) { + var endPos = emitToken(88, node.pos); + write(" "); + endPos = emitToken(17, endPos); + emit(node.expression); + emitToken(18, node.expression.end); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + emitToken(80, node.thenStatement.end); + if (node.elseStatement.kind === 199) { + write(" "); + emit(node.elseStatement); + } + else { + emitEmbeddedStatement(node.elseStatement); + } + } + } + function emitDoStatement(node) { + emitLoop(node, emitDoStatementWorker); + } + function emitDoStatementWorker(node, loop) { + write("do"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + if (node.statement.kind === 195) { + write(" "); + } + else { + writeLine(); + } + write("while ("); + emit(node.expression); + write(");"); + } + function emitWhileStatement(node) { + emitLoop(node, emitWhileStatementWorker); + } + function emitWhileStatementWorker(node, loop) { + write("while ("); + emit(node.expression); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function tryEmitStartOfVariableDeclarationList(decl) { + if (shouldHoistVariable(decl, true)) { + return false; + } + if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576) === 0) { + for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { + var varDecl = _b[_a]; + hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); + } + return false; + } + emitStart(decl); + if (decl && languageVersion >= 2) { + if (ts.isLet(decl)) { + write("let "); + } + else if (ts.isConst(decl)) { + write("const "); + } + else { + write("var "); + } + } + else { + write("var "); + } + return true; + } + function emitVariableDeclarationListSkippingUninitializedEntries(list) { + var started = false; + for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { + var decl = _b[_a]; + if (!decl.initializer) { + continue; + } + if (!started) { + started = true; + } + else { + write(", "); + } + emit(decl); + } + return started; + } + function shouldConvertLoopBody(node) { + return languageVersion < 2 && + (resolver.getNodeCheckFlags(node) & 65536) !== 0; + } + function emitLoop(node, loopEmitter) { + var shouldConvert = shouldConvertLoopBody(node); + if (!shouldConvert) { + loopEmitter(node, undefined); + } + else { + var loop = convertLoopBody(node); + if (node.parent.kind === 210) { + emitLabelAndColon(node.parent); + } + loopEmitter(node, loop); + } + } + function convertLoopBody(node) { + var functionName = makeUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 202: + case 203: + case 204: + var initializer = node.initializer; + if (initializer && initializer.kind === 215) { + loopInitializer = node.initializer; + } + break; + } + var loopParameters; + var loopOutParameters; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576)) { + loopParameters = []; + for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { + var varDeclaration = _b[_a]; + processVariableDeclaration(varDeclaration.name); + } + } + var bodyIsBlock = node.statement.kind === 195; + var paramList = loopParameters ? loopParameters.join(", ") : ""; + writeLine(); + write("var " + functionName + " = function(" + paramList + ")"); + var convertedOuterLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (convertedOuterLoopState) { + if (convertedOuterLoopState.argumentsName) { + convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; + } + if (convertedOuterLoopState.thisName) { + convertedLoopState.thisName = convertedOuterLoopState.thisName; + } + if (convertedOuterLoopState.hoistedLocalVariables) { + convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; + } + } + write(" {"); + writeLine(); + increaseIndent(); + if (bodyIsBlock) { + emitLines(node.statement.statements); + } + else { + emit(node.statement); + } + writeLine(); + copyLoopOutParameters(convertedLoopState, 1, true); + decreaseIndent(); + writeLine(); + write("};"); + writeLine(); + if (loopOutParameters) { + write("var "); + for (var i = 0; i < loopOutParameters.length; i++) { + if (i !== 0) { + write(", "); + } + write(loopOutParameters[i].outParamName); + } + write(";"); + writeLine(); + } + if (convertedLoopState.argumentsName) { + if (convertedOuterLoopState) { + convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; + } + else { + write("var " + convertedLoopState.argumentsName + " = arguments;"); + writeLine(); + } + } + if (convertedLoopState.thisName) { + if (convertedOuterLoopState) { + convertedOuterLoopState.thisName = convertedLoopState.thisName; + } + else { + write("var " + convertedLoopState.thisName + " = this;"); + writeLine(); + } + } + if (convertedLoopState.hoistedLocalVariables) { + if (convertedOuterLoopState) { + convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; + } + else { + write("var "); + var seen = void 0; + for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { + var id = _d[_c]; + if (!seen) { + seen = {}; + } + else { + write(", "); + } + if (!ts.hasProperty(seen, id.text)) { + emit(id); + seen[id.text] = id.text; + } + } + write(";"); + writeLine(); + } + } + var currentLoopState = convertedLoopState; + convertedLoopState = convertedOuterLoopState; + return { functionName: functionName, paramList: paramList, state: currentLoopState }; + function processVariableDeclaration(name) { + if (name.kind === 69) { + var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) + ? getGeneratedNameForNode(name) + : name.text; + loopParameters.push(nameText); + if (resolver.getNodeCheckFlags(name.parent) & 2097152) { + var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; + (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); + } + } + else { + for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { + var element = _b[_a]; + processVariableDeclaration(element.name); + } + } + } + } + function emitNormalLoopBody(node, emitAsEmbeddedStatement) { + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 | 4; + } + if (emitAsEmbeddedStatement) { + emitEmbeddedStatement(node.statement); + } + else if (node.statement.kind === 195) { + emitLines(node.statement.statements); + } + else { + writeLine(); + emit(node.statement); + } + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function copyLoopOutParameters(state, copyDirection, emitAsStatements) { + if (state.loopOutParameters) { + for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { + var outParam = _b[_a]; + if (copyDirection === 0) { + emitIdentifier(outParam.originalName); + write(" = " + outParam.outParamName); + } + else { + write(outParam.outParamName + " = "); + emitIdentifier(outParam.originalName); + } + if (emitAsStatements) { + write(";"); + writeLine(); + } + else { + write(", "); + } + } + } + } + function emitConvertedLoopCall(loop, emitAsBlock) { + if (emitAsBlock) { + write(" {"); + writeLine(); + increaseIndent(); + } + var isSimpleLoop = !loop.state.nonLocalJumps && + !loop.state.labeledNonLocalBreaks && + !loop.state.labeledNonLocalContinues; + var loopResult = makeUniqueName("state"); + if (!isSimpleLoop) { + write("var " + loopResult + " = "); + } + write(loop.functionName + "(" + loop.paramList + ");"); + writeLine(); + copyLoopOutParameters(loop.state, 0, true); + if (!isSimpleLoop) { + writeLine(); + if (loop.state.nonLocalJumps & 8) { + write("if (typeof " + loopResult + " === \"object\") "); + if (convertedLoopState) { + write("return " + loopResult + ";"); + convertedLoopState.nonLocalJumps |= 8; + } + else { + write("return " + loopResult + ".value;"); + } + writeLine(); + } + if (loop.state.nonLocalJumps & 2) { + write("if (" + loopResult + " === \"break\") break;"); + writeLine(); + } + if (loop.state.nonLocalJumps & 4) { + write("if (" + loopResult + " === \"continue\") continue;"); + writeLine(); + } + emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); + } + if (emitAsBlock) { + writeLine(); + decreaseIndent(); + write("}"); + } + function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { + if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { + return; + } + write("switch(" + loopResultVariable + ") {"); + increaseIndent(); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, true, loopResultVariable, outerLoop); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, false, loopResultVariable, outerLoop); + decreaseIndent(); + writeLine(); + write("}"); + } + function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + writeLine(); + write("case \"" + labelMarker + "\": "); + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + if (isBreak) { + write("break "); + } + else { + write("continue "); + } + write(labelText + ";"); + } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + write("return " + loopResultVariable + ";"); + } + } + } + } + function emitForStatement(node) { + emitLoop(node, emitForStatementWorker); + } + function emitForStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + if (node.initializer && node.initializer.kind === 215) { + var variableDeclarationList = node.initializer; + var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); + if (startIsEmitted) { + emitCommaList(variableDeclarationList.declarations); + } + else { + emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); + } + } + else if (node.initializer) { + emit(node.initializer); + } + write(";"); + emitOptional(" ", node.condition); + write(";"); + emitOptional(" ", node.incrementor); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function emitForInOrForOfStatement(node) { + if (languageVersion < 2 && node.kind === 204) { + emitLoop(node, emitDownLevelForOfStatementWorker); + } + else { + emitLoop(node, emitForInOrForOfStatementWorker); + } + } + function emitForInOrForOfStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + if (node.initializer.kind === 215) { + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length >= 1) { + tryEmitStartOfVariableDeclarationList(variableDeclarationList); + emit(variableDeclarationList.declarations[0]); + } + } + else { + emit(node.initializer); + } + if (node.kind === 203) { + write(" in "); + } + else { + write(" of "); + } + emit(node.expression); + emitToken(18, node.expression.end); + if (loop) { + emitConvertedLoopCall(loop, true); + } + else { + emitNormalLoopBody(node, true); + } + } + function emitDownLevelForOfStatementWorker(node, loop) { + var endPos = emitToken(86, node.pos); + write(" "); + endPos = emitToken(17, endPos); + var counter = createTempVariable(268435456); + var rhsReference = ts.createSynthesizedNode(69); + rhsReference.text = node.expression.kind === 69 ? + makeUniqueName(node.expression.text) : + makeTempVariableName(0); + emitStart(node.expression); + write("var "); + emitNodeWithoutSourceMap(counter); + write(" = 0"); + emitEnd(node.expression); + write(", "); + emitStart(node.expression); + emitNodeWithoutSourceMap(rhsReference); + write(" = "); + emitNodeWithoutSourceMap(node.expression); + emitEnd(node.expression); + write("; "); + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write(" < "); + emitNodeWithCommentsAndWithoutSourcemap(rhsReference); + write(".length"); + emitEnd(node.expression); + write("; "); + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write("++"); + emitEnd(node.expression); + emitToken(18, node.expression.end); + write(" {"); + writeLine(); + increaseIndent(); + var rhsIterationValue = createElementAccessExpression(rhsReference, counter); + emitStart(node.initializer); + if (node.initializer.kind === 215) { + write("var "); + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length > 0) { + var declaration = variableDeclarationList.declarations[0]; + if (ts.isBindingPattern(declaration.name)) { + emitDestructuring(declaration, false, rhsIterationValue); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(declaration); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + emitNodeWithoutSourceMap(createTempVariable(0)); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + var assignmentExpression = createBinaryExpression(node.initializer, 56, rhsIterationValue, false); + if (node.initializer.kind === 167 || node.initializer.kind === 168) { + emitDestructuring(assignmentExpression, true, undefined); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); + } + } + emitEnd(node.initializer); + write(";"); + if (loop) { + writeLine(); + emitConvertedLoopCall(loop, false); + } + else { + emitNormalLoopBody(node, false); + } + writeLine(); + decreaseIndent(); + write("}"); + } + function emitBreakOrContinueStatement(node) { + if (convertedLoopState) { + var jump = node.kind === 206 ? 2 : 4; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + write("return "); + copyLoopOutParameters(convertedLoopState, 1, false); + if (!node.label) { + if (node.kind === 206) { + convertedLoopState.nonLocalJumps |= 2; + write("\"break\";"); + } + else { + convertedLoopState.nonLocalJumps |= 4; + write("\"continue\";"); + } + } + else { + var labelMarker = void 0; + if (node.kind === 206) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, false, node.label.text, labelMarker); + } + write("\"" + labelMarker + "\";"); + } + return; + } + } + emitToken(node.kind === 206 ? 70 : 75, node.pos); + emitOptional(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + if (convertedLoopState) { + convertedLoopState.nonLocalJumps |= 8; + write("return { value: "); + if (node.expression) { + emit(node.expression); + } + else { + write("void 0"); + } + write(" };"); + return; + } + emitToken(94, node.pos); + emitOptional(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emit(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var endPos = emitToken(96, node.pos); + write(" "); + emitToken(17, endPos); + emit(node.expression); + endPos = emitToken(18, node.expression.end); + write(" "); + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps |= 2; + } + emitCaseBlock(node.caseBlock, endPos); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function emitCaseBlock(node, startPos) { + emitToken(15, startPos); + increaseIndent(); + emitLines(node.clauses); + decreaseIndent(); + writeLine(); + emitToken(16, node.clauses.end); + } + function nodeStartPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function nodeEndPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); + } + function nodeEndIsOnSameLineAsNodeStart(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function emitCaseOrDefaultClause(node) { + if (node.kind === 244) { + write("case "); + emit(node.expression); + write(":"); + } + else { + write("default:"); + } + if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { + write(" "); + emit(node.statements[0]); + } + else { + increaseIndent(); + emitLines(node.statements); + decreaseIndent(); + } + } + function emitThrowStatement(node) { + write("throw "); + emit(node.expression); + write(";"); + } + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); + } + } + function emitCatchClause(node) { + writeLine(); + var endPos = emitToken(72, node.pos); + write(" "); + emitToken(17, endPos); + emit(node.variableDeclaration); + emitToken(18, node.variableDeclaration ? node.variableDeclaration.end : endPos); + write(" "); + emitBlock(node.block); + } + function emitDebuggerStatement(node) { + emitToken(76, node.pos); + write(";"); + } + function emitLabelAndColon(node) { + emit(node.label); + write(": "); + } + function emitLabeledStatement(node) { + if (!ts.isIterationStatement(node.statement, false) || !shouldConvertLoopBody(node.statement)) { + emitLabelAndColon(node); + } + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = {}; + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + emit(node.statement); + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + } + function getContainingModule(node) { + do { + node = node.parent; + } while (node && node.kind !== 221); + return node; + } + function emitContainingModuleName(node) { + var container = getContainingModule(node); + write(container ? getGeneratedNameForNode(container) : "exports"); + } + function emitModuleMemberName(node) { + emitStart(node.name); + if (ts.getCombinedNodeFlags(node) & 2) { + var container = getContainingModule(node); + if (container) { + write(getGeneratedNameForNode(container)); + write("."); + } + else if (modulekind !== 5 && modulekind !== 4) { + write("exports."); + } + } + emitNodeWithCommentsAndWithoutSourcemap(node.name); + emitEnd(node.name); + } + function createVoidZero() { + var zero = ts.createSynthesizedNode(8); + zero.text = "0"; + var result = ts.createSynthesizedNode(180); + result.expression = zero; + return result; + } + function emitEs6ExportDefaultCompat(node) { + if (node.parent.kind === 251) { + ts.Debug.assert(!!(node.flags & 512) || node.kind === 230); + if (modulekind === 1 || modulekind === 2 || modulekind === 3) { + if (!isEs6Module) { + if (languageVersion !== 0) { + write("Object.defineProperty(exports, \"__esModule\", { value: true });"); + writeLine(); + } + else { + write("exports.__esModule = true;"); + writeLine(); + } + } + } + } + } + function emitExportMemberAssignment(node) { + if (node.flags & 2) { + writeLine(); + emitStart(node); + if (modulekind === 4 && node.parent === currentSourceFile) { + write(exportFunctionForFile + "(\""); + if (node.flags & 512) { + write("default"); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + write("\", "); + emitDeclarationName(node); + write(")"); + } + else { + if (node.flags & 512) { + emitEs6ExportDefaultCompat(node); + if (languageVersion === 0) { + write("exports[\"default\"]"); + } + else { + write("exports.default"); + } + } + else { + emitModuleMemberName(node); + } + write(" = "); + emitDeclarationName(node); + } + emitEnd(node); + write(";"); + } + } + function emitExportMemberAssignments(name) { + if (modulekind === 4) { + return; + } + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { + var specifier = _b[_a]; + writeLine(); + emitStart(specifier.name); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + emitEnd(specifier.name); + write(" = "); + emitExpressionIdentifier(name); + write(";"); + } + } + } + function emitExportSpecifierInSystemModule(specifier) { + ts.Debug.assert(modulekind === 4); + if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { + return; + } + writeLine(); + emitStart(specifier.name); + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write("\", "); + emitExpressionIdentifier(specifier.propertyName || specifier.name); + write(")"); + emitEnd(specifier.name); + write(";"); + } + function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { + if (shouldEmitCommaBeforeAssignment) { + write(", "); + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(name); + write("\", "); + } + var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 || name.parent.kind === 166); + emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); + withTemporaryNoSourceMap(function () { + if (isVariableDeclarationOrBindingElement) { + emitModuleMemberName(name.parent); + } + else { + emit(name); + } + write(" = "); + emit(value); + }); + emitEnd(nodeForSourceMap, true); + if (exportChanged) { + write(")"); + } + } + function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { + var identifier = createTempVariable(0); + if (!canDefineTempVariablesInPlace) { + recordTempDeclaration(identifier); + } + emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); + return identifier; + } + function isFirstVariableDeclaration(root) { + return root.kind === 214 && + root.parent.kind === 215 && + root.parent.declarations[0] === root; + } + function emitDestructuring(root, isAssignmentExpressionStatement, value) { + var emitCount = 0; + var canDefineTempVariablesInPlace = false; + if (root.kind === 214) { + var isExported = ts.getCombinedNodeFlags(root) & 2; + var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); + canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; + } + else if (root.kind === 139) { + canDefineTempVariablesInPlace = true; + } + if (root.kind === 184) { + emitAssignmentExpression(root); + } + else { + ts.Debug.assert(!isAssignmentExpressionStatement); + if (isFirstVariableDeclaration(root)) { + sourceMap.changeEmitSourcePos(); + } + emitBindingElement(root, value); + } + function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { + if (expr.kind === 69 && reuseIdentifierExpressions) { + return expr; + } + var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); + emitCount++; + return identifier; + } + function createDefaultValueCheck(value, defaultValue, sourceMapNode) { + value = ensureIdentifier(value, true, sourceMapNode); + var equals = ts.createSynthesizedNode(184); + equals.left = value; + equals.operatorToken = ts.createSynthesizedNode(32); + equals.right = createVoidZero(); + return createConditionalExpression(equals, defaultValue, value); + } + function createConditionalExpression(condition, whenTrue, whenFalse) { + var cond = ts.createSynthesizedNode(185); + cond.condition = condition; + cond.questionToken = ts.createSynthesizedNode(53); + cond.whenTrue = whenTrue; + cond.colonToken = ts.createSynthesizedNode(54); + cond.whenFalse = whenFalse; + return cond; + } + function createNumericLiteral(value) { + var node = ts.createSynthesizedNode(8); + node.text = "" + value; + return node; + } + function createPropertyAccessForDestructuringProperty(object, propName) { + var index; + var nameIsComputed = propName.kind === 137; + if (nameIsComputed) { + index = ensureIdentifier(propName.expression, false, propName); + } + else { + index = ts.createSynthesizedNode(propName.kind); + index.text = ts.unescapeIdentifier(propName.text); + } + return !nameIsComputed && index.kind === 69 + ? createPropertyAccessExpression(object, index) + : createElementAccessExpression(object, index); + } + function createSliceCall(value, sliceIndex) { + var call = ts.createSynthesizedNode(171); + var sliceIdentifier = ts.createSynthesizedNode(69); + sliceIdentifier.text = "slice"; + call.expression = createPropertyAccessExpression(value, sliceIdentifier); + call.arguments = ts.createSynthesizedNodeArray(); + call.arguments[0] = createNumericLiteral(sliceIndex); + return call; + } + function emitObjectLiteralAssignment(target, value, sourceMapNode) { + var properties = target.properties; + if (properties.length !== 1) { + value = ensureIdentifier(value, true, sourceMapNode); + } + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var p = properties_5[_a]; + if (p.kind === 248 || p.kind === 249) { + var propName = p.name; + var target_1 = p.kind === 249 ? p : p.initializer || propName; + emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); + } + } + } + function emitArrayLiteralAssignment(target, value, sourceMapNode) { + var elements = target.elements; + if (elements.length !== 1) { + value = ensureIdentifier(value, true, sourceMapNode); + } + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190) { + if (e.kind !== 188) { + emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); + } + else if (i === elements.length - 1) { + emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); + } + } + } + } + function emitDestructuringAssignment(target, value, sourceMapNode) { + if (target.kind === 249) { + if (target.objectAssignmentInitializer) { + value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); + } + target = target.name; + } + else if (target.kind === 184 && target.operatorToken.kind === 56) { + value = createDefaultValueCheck(value, target.right, sourceMapNode); + target = target.left; + } + if (target.kind === 168) { + emitObjectLiteralAssignment(target, value, sourceMapNode); + } + else if (target.kind === 167) { + emitArrayLiteralAssignment(target, value, sourceMapNode); + } + else { + emitAssignment(target, value, emitCount > 0, sourceMapNode); + emitCount++; + } + } + function emitAssignmentExpression(root) { + var target = root.left; + var value = root.right; + if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { + emit(value); + } + else if (isAssignmentExpressionStatement) { + emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); + } + else { + if (root.parent.kind !== 175) { + write("("); + } + value = ensureIdentifier(value, true, root); + emitDestructuringAssignment(target, value, root); + write(", "); + emit(value); + if (root.parent.kind !== 175) { + write(")"); + } + } + } + function emitBindingElement(target, value) { + if (target.initializer) { + value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; + } + else if (!value) { + value = createVoidZero(); + } + if (ts.isBindingPattern(target.name)) { + var pattern = target.name; + var elements = pattern.elements; + var numElements = elements.length; + if (numElements !== 1) { + value = ensureIdentifier(value, numElements !== 0, target); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (pattern.kind === 164) { + var propName = element.propertyName || element.name; + emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); + } + else if (element.kind !== 190) { + if (!element.dotDotDotToken) { + emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); + } + else if (i === numElements - 1) { + emitBindingElement(element, createSliceCall(value, i)); + } + } + } + } + else { + emitAssignment(target.name, value, emitCount > 0, target); + emitCount++; + } + } + } + function emitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + if (languageVersion < 2) { + emitDestructuring(node, false); + } + else { + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + else { + var initializer = node.initializer; + if (!initializer && + languageVersion < 2 && + node.name.kind === 69) { + var container = ts.getEnclosingBlockScopeContainer(node); + var flags = resolver.getNodeCheckFlags(node); + var isCapturedInFunction = flags & 131072; + var isDeclaredInLoop = flags & 262144; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || + (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 && ts.isIterationStatement(container.parent, false)); + var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 && + !emittedAsTopLevel; + var emitExplicitInitializer = emittedAsNestedLetDeclaration && + container.kind !== 203 && + container.kind !== 204 && + (!resolver.isDeclarationWithCollidingName(node) || + (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, false))); + if (emitExplicitInitializer) { + initializer = createVoidZero(); + } + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(node.name); + write("\", "); + } + emitModuleMemberName(node); + emitOptional(" = ", initializer); + if (exportChanged) { + write(")"); + } + } + } + function emitExportVariableAssignments(node) { + if (node.kind === 190) { + return; + } + var name = node.name; + if (name.kind === 69) { + emitExportMemberAssignments(name); + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, emitExportVariableAssignments); + } + } + function isES6ExportedDeclaration(node) { + return !!(node.flags & 2) && + modulekind === 5 && + node.parent.kind === 251; + } + function emitVariableStatement(node) { + var startIsEmitted = false; + if (node.flags & 2) { + if (isES6ExportedDeclaration(node)) { + write("export "); + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + } + else { + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + if (startIsEmitted) { + emitCommaList(node.declarationList.declarations); + write(";"); + } + else { + var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); + if (atLeastOneItem) { + write(";"); + } + } + if (modulekind !== 5 && node.parent === currentSourceFile) { + ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); + } + } + function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { + if (!(node.flags & 2)) { + return true; + } + if (isES6ExportedDeclaration(node)) { + return true; + } + for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { + var declaration = _b[_a]; + if (declaration.initializer) { + return true; + } + } + return false; + } + function emitParameter(node) { + if (languageVersion < 2) { + if (ts.isBindingPattern(node.name)) { + var name_27 = createTempVariable(0); + if (!tempParameters) { + tempParameters = []; + } + tempParameters.push(name_27); + emit(name_27); + } + else { + emit(node.name); + } + } + else { + if (node.dotDotDotToken) { + write("..."); + } + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + function emitDefaultValueAssignments(node) { + if (languageVersion < 2) { + var tempIndex_1 = 0; + ts.forEach(node.parameters, function (parameter) { + if (parameter.dotDotDotToken) { + return; + } + var paramName = parameter.name, initializer = parameter.initializer; + if (ts.isBindingPattern(paramName)) { + var hasBindingElements = paramName.elements.length > 0; + if (hasBindingElements || initializer) { + writeLine(); + write("var "); + if (hasBindingElements) { + emitDestructuring(parameter, false, tempParameters[tempIndex_1]); + } + else { + emit(tempParameters[tempIndex_1]); + write(" = "); + emit(initializer); + } + write(";"); + tempIndex_1++; + } + } + else if (initializer) { + writeLine(); + emitStart(parameter); + write("if ("); + emitNodeWithoutSourceMap(paramName); + write(" === void 0)"); + emitEnd(parameter); + write(" { "); + emitStart(parameter); + emitNodeWithCommentsAndWithoutSourcemap(paramName); + write(" = "); + emitNodeWithCommentsAndWithoutSourcemap(initializer); + emitEnd(parameter); + write("; }"); + } + }); + } + } + function emitRestParameter(node) { + if (languageVersion < 2 && ts.hasRestParameter(node)) { + var restIndex = node.parameters.length - 1; + var restParam = node.parameters[restIndex]; + if (ts.isBindingPattern(restParam.name)) { + return; + } + var tempName = createTempVariable(268435456).text; + writeLine(); + emitLeadingComments(restParam); + emitStart(restParam); + write("var "); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write(" = [];"); + emitEnd(restParam); + emitTrailingComments(restParam); + writeLine(); + write("for ("); + emitStart(restParam); + write("var " + tempName + " = " + restIndex + ";"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + " < arguments.length;"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + "++"); + emitEnd(restParam); + write(") {"); + increaseIndent(); + writeLine(); + emitStart(restParam); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); + emitEnd(restParam); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitAccessor(node) { + write(node.kind === 146 ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node); + } + function shouldEmitAsArrowFunction(node) { + return node.kind === 177 && languageVersion >= 2; + } + function emitDeclarationName(node) { + if (node.name) { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + else { + write(getGeneratedNameForNode(node)); + } + } + function shouldEmitFunctionName(node) { + if (node.kind === 176) { + return !!node.name; + } + if (node.kind === 216) { + return !!node.name || modulekind !== 5; + } + } + function emitFunctionDeclaration(node) { + if (ts.nodeIsMissing(node.body)) { + return emitCommentsOnNotEmittedNode(node); + } + var kind = node.kind, parent = node.parent; + if (kind !== 144 && + kind !== 143 && + parent && + parent.kind !== 248 && + parent.kind !== 171 && + parent.kind !== 167) { + emitLeadingComments(node); + } + emitStart(node); + if (!shouldEmitAsArrowFunction(node)) { + if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512) { + write("default "); + } + } + write("function"); + if (languageVersion >= 2 && node.asteriskToken) { + write("*"); + } + write(" "); + } + if (shouldEmitFunctionName(node)) { + emitDeclarationName(node); + } + emitSignatureAndBody(node); + if (modulekind !== 5 && kind === 216 && parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + emitEnd(node); + if (kind !== 144 && kind !== 143) { + emitTrailingComments(node); + } + } + function emitCaptureThisForNodeIfNecessary(node) { + if (resolver.getNodeCheckFlags(node) & 4) { + writeLine(); + emitStart(node); + write("var _this = this;"); + emitEnd(node); + } + } + function emitSignatureParameters(node) { + increaseIndent(); + write("("); + if (node) { + var parameters = node.parameters; + var omitCount = languageVersion < 2 && ts.hasRestParameter(node) ? 1 : 0; + emitList(parameters, 0, parameters.length - omitCount, false, false); + } + write(")"); + decreaseIndent(); + } + function emitSignatureParametersForArrow(node) { + if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { + emit(node.parameters[0]); + return; + } + emitSignatureParameters(node); + } + function emitAsyncFunctionBodyForES6(node) { + var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); + var isArrowFunction = node.kind === 177; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192) !== 0; + if (!isArrowFunction) { + write(" {"); + increaseIndent(); + writeLine(); + if (resolver.getNodeCheckFlags(node) & 4096) { + writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); + writeLine(); + } + else if (resolver.getNodeCheckFlags(node) & 2048) { + write("const _super = name => super[name];"); + writeLine(); + } + write("return"); + } + write(" __awaiter(this"); + if (hasLexicalArguments) { + write(", arguments, "); + } + else { + write(", void 0, "); + } + if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2)) { + write("void 0"); + } + else { + emitEntityNameAsExpression(promiseConstructor, false); + } + write(", function* ()"); + emitFunctionBody(node); + write(")"); + if (!isArrowFunction) { + write(";"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitFunctionBody(node) { + if (!node.body) { + write(" { }"); + } + else { + if (node.body.kind === 195) { + emitBlockFunctionBody(node, node.body); + } + else { + emitExpressionFunctionBody(node, node.body); + } + } + } + function emitSignatureAndBody(node) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + if (shouldEmitAsArrowFunction(node)) { + emitSignatureParametersForArrow(node); + write(" =>"); + } + else { + emitSignatureParameters(node); + } + var isAsync = ts.isAsyncFunctionLike(node); + if (isAsync) { + emitAsyncFunctionBodyForES6(node); + } + else { + emitFunctionBody(node); + } + if (!isES6ExportedDeclaration(node)) { + emitExportMemberAssignment(node); + } + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitFunctionBodyPreamble(node) { + emitCaptureThisForNodeIfNecessary(node); + emitDefaultValueAssignments(node); + emitRestParameter(node); + } + function emitExpressionFunctionBody(node, body) { + if (languageVersion < 2 || node.flags & 256) { + emitDownLevelExpressionFunctionBody(node, body); + return; + } + write(" "); + var current = body; + while (current.kind === 174) { + current = current.expression; + } + emitParenthesizedIf(body, current.kind === 168); + } + function emitDownLevelExpressionFunctionBody(node, body) { + write(" {"); + increaseIndent(); + var outPos = writer.getTextPos(); + emitDetachedCommentsAndUpdateCommentsInfo(node.body); + emitFunctionBodyPreamble(node); + var preambleEmitted = writer.getTextPos() !== outPos; + decreaseIndent(); + if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { + write(" "); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTempDeclarations(false); + write(" "); + } + else { + increaseIndent(); + writeLine(); + emitLeadingComments(node.body); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTrailingComments(node.body); + emitTempDeclarations(true); + decreaseIndent(); + writeLine(); + } + emitStart(node.body); + write("}"); + emitEnd(node.body); + } + function emitBlockFunctionBody(node, body) { + write(" {"); + var initialTextPos = writer.getTextPos(); + increaseIndent(); + emitDetachedCommentsAndUpdateCommentsInfo(body.statements); + var startIndex = emitDirectivePrologues(body.statements, true); + emitFunctionBodyPreamble(node); + decreaseIndent(); + var preambleEmitted = writer.getTextPos() !== initialTextPos; + if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + write(" "); + emit(statement); + } + emitTempDeclarations(false); + write(" "); + emitLeadingCommentsOfPosition(body.statements.end); + } + else { + increaseIndent(); + emitLinesStartingAt(body.statements, startIndex); + emitTempDeclarations(true); + writeLine(); + emitLeadingCommentsOfPosition(body.statements.end); + decreaseIndent(); + } + emitToken(16, body.statements.end); + } + function getSuperCallAtGivenIndex(ctor, index) { + if (!ctor.body) { + return undefined; + } + var statements = ctor.body.statements; + if (!statements || index >= statements.length) { + return undefined; + } + var statement = statements[index]; + if (statement.kind === 198) { + return ts.isSuperCallExpression(statement.expression) ? statement : undefined; + } + } + function emitParameterPropertyAssignments(node) { + ts.forEach(node.parameters, function (param) { + if (param.flags & 56) { + writeLine(); + emitStart(param); + emitStart(param.name); + write("this."); + emitNodeWithoutSourceMap(param.name); + emitEnd(param.name); + write(" = "); + emit(param.name); + write(";"); + emitEnd(param); + } + }); + } + function emitMemberAccessForPropertyName(memberName) { + if (memberName.kind === 9 || memberName.kind === 8) { + write("["); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + write("]"); + } + else if (memberName.kind === 137) { + emitComputedPropertyName(memberName); + } + else { + write("."); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + } + } + function getInitializedProperties(node, isStatic) { + var properties = []; + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if (member.kind === 142 && isStatic === ((member.flags & 64) !== 0) && member.initializer) { + properties.push(member); + } + } + return properties; + } + function emitPropertyDeclarations(node, properties) { + for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { + var property = properties_6[_a]; + emitPropertyDeclaration(node, property); + } + } + function emitPropertyDeclaration(node, property, receiver, isExpression) { + writeLine(); + emitLeadingComments(property); + emitStart(property); + emitStart(property.name); + if (receiver) { + emit(receiver); + } + else { + if (property.flags & 64) { + emitDeclarationName(node); + } + else { + write("this"); + } + } + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + emit(property.initializer); + if (!isExpression) { + write(";"); + } + emitEnd(property); + emitTrailingComments(property); + } + function emitMemberFunctionsForES5AndLower(node) { + ts.forEach(node.members, function (member) { + if (member.kind === 194) { + writeLine(); + write(";"); + } + else if (member.kind === 144 || node.kind === 143) { + if (!member.body) { + return emitCommentsOnNotEmittedNode(member); + } + writeLine(); + emitLeadingComments(member); + emitStart(member); + emitStart(member.name); + emitClassMemberPrefix(node, member); + emitMemberAccessForPropertyName(member.name); + emitEnd(member.name); + write(" = "); + emitFunctionDeclaration(member); + emitEnd(member); + write(";"); + emitTrailingComments(member); + } + else if (member.kind === 146 || member.kind === 147) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + writeLine(); + emitStart(member); + write("Object.defineProperty("); + emitStart(member.name); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + emitEnd(member.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("});"); + emitEnd(member); + } + } + }); + } + function emitMemberFunctionsForES6AndHigher(node) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.kind === 144 || node.kind === 143) && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + else if (member.kind === 144 || + member.kind === 146 || + member.kind === 147) { + writeLine(); + emitLeadingComments(member); + emitStart(member); + if (member.flags & 64) { + write("static "); + } + if (member.kind === 146) { + write("get "); + } + else if (member.kind === 147) { + write("set "); + } + if (member.asteriskToken) { + write("*"); + } + emit(member.name); + emitSignatureAndBody(member); + emitEnd(member); + emitTrailingComments(member); + } + else if (member.kind === 194) { + writeLine(); + write(";"); + } + } + } + function emitConstructor(node, baseTypeElement) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + emitConstructorWorker(node, baseTypeElement); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitConstructorWorker(node, baseTypeElement) { + var hasInstancePropertyWithInitializer = false; + ts.forEach(node.members, function (member) { + if (member.kind === 145 && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + if (member.kind === 142 && member.initializer && (member.flags & 64) === 0) { + hasInstancePropertyWithInitializer = true; + } + }); + var ctor = ts.getFirstConstructorWithBody(node); + if (languageVersion >= 2 && !ctor && !hasInstancePropertyWithInitializer) { + return; + } + if (ctor) { + emitLeadingComments(ctor); + } + emitStart(ctor || node); + if (languageVersion < 2) { + write("function "); + emitDeclarationName(node); + emitSignatureParameters(ctor); + } + else { + write("constructor"); + if (ctor) { + emitSignatureParameters(ctor); + } + else { + if (baseTypeElement) { + write("(...args)"); + } + else { + write("()"); + } + } + } + var startIndex = 0; + write(" {"); + increaseIndent(); + if (ctor) { + startIndex = emitDirectivePrologues(ctor.body.statements, true); + emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); + } + emitCaptureThisForNodeIfNecessary(node); + var superCall; + if (ctor) { + emitDefaultValueAssignments(ctor); + emitRestParameter(ctor); + if (baseTypeElement) { + superCall = getSuperCallAtGivenIndex(ctor, startIndex); + if (superCall) { + writeLine(); + emit(superCall); + } + } + emitParameterPropertyAssignments(ctor); + } + else { + if (baseTypeElement) { + writeLine(); + emitStart(baseTypeElement); + if (languageVersion < 2) { + write("_super.apply(this, arguments);"); + } + else { + write("super(...args);"); + } + emitEnd(baseTypeElement); + } + } + emitPropertyDeclarations(node, getInitializedProperties(node, false)); + if (ctor) { + var statements = ctor.body.statements; + if (superCall) { + statements = statements.slice(1); + } + emitLinesStartingAt(statements, startIndex); + } + emitTempDeclarations(true); + writeLine(); + if (ctor) { + emitLeadingCommentsOfPosition(ctor.body.statements.end); + } + decreaseIndent(); + emitToken(16, ctor ? ctor.body.statements.end : node.members.end); + emitEnd(ctor || node); + if (ctor) { + emitTrailingComments(ctor); + } + } + function emitClassExpression(node) { + return emitClassLikeDeclaration(node); + } + function emitClassDeclaration(node) { + return emitClassLikeDeclaration(node); + } + function emitClassLikeDeclaration(node) { + if (languageVersion < 2) { + emitClassLikeDeclarationBelowES6(node); + } + else { + emitClassLikeDeclarationForES6AndHigher(node); + } + if (modulekind !== 5 && node.parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + } + function emitClassLikeDeclarationForES6AndHigher(node) { + var decoratedClassAlias; + var thisNodeIsDecorated = ts.nodeIsDecorated(node); + if (node.kind === 217) { + if (thisNodeIsDecorated) { + if (resolver.getNodeCheckFlags(node) & 524288) { + decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); + decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; + write("let " + decoratedClassAlias + ";"); + writeLine(); + } + if (isES6ExportedDeclaration(node) && !(node.flags & 512)) { + write("export "); + } + write("let "); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = "); + } + else if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512) { + write("default "); + } + } + } + var staticProperties = getInitializedProperties(node, true); + var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189; + var tempVariable; + if (isClassExpressionWithStaticProperties) { + tempVariable = createAndRecordTempVariable(0); + write("("); + increaseIndent(); + emit(tempVariable); + write(" = "); + } + write("class"); + if (node.name || (node.flags & 512 && (staticProperties.length > 0 || modulekind !== 5) && !thisNodeIsDecorated)) { + write(" "); + emitDeclarationName(node); + } + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write(" extends "); + emit(baseTypeNode.expression); + } + write(" {"); + increaseIndent(); + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES6AndHigher(node); + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + if (thisNodeIsDecorated) { + decoratedClassAliases[ts.getNodeId(node)] = undefined; + write(";"); + } + if (isClassExpressionWithStaticProperties) { + for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { + var property = staticProperties_1[_a]; + write(","); + writeLine(); + emitPropertyDeclaration(node, property, tempVariable, true); + } + write(","); + writeLine(); + emit(tempVariable); + decreaseIndent(); + write(")"); + } + else { + writeLine(); + emitPropertyDeclarations(node, staticProperties); + emitDecoratorsOfClass(node, decoratedClassAlias); + } + if (!(node.flags & 2)) { + return; + } + if (modulekind !== 5) { + emitExportMemberAssignment(node); + } + else { + if (node.flags & 512) { + if (thisNodeIsDecorated) { + writeLine(); + write("export default "); + emitDeclarationName(node); + write(";"); + } + } + else if (node.parent.kind !== 251) { + writeLine(); + emitStart(node); + emitModuleMemberName(node); + write(" = "); + emitDeclarationName(node); + emitEnd(node); + write(";"); + } + } + } + function emitClassLikeDeclarationBelowES6(node) { + if (node.kind === 217) { + if (!shouldHoistDeclarationInSystemJsModule(node)) { + write("var "); + } + emitDeclarationName(node); + write(" = "); + } + write("(function ("); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write("_super"); + } + write(") {"); + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; + var saveConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + computedPropertyNamesToGeneratedNames = undefined; + increaseIndent(); + if (baseTypeNode) { + writeLine(); + emitStart(baseTypeNode); + write("__extends("); + emitDeclarationName(node); + write(", _super);"); + emitEnd(baseTypeNode); + } + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES5AndLower(node); + emitPropertyDeclarations(node, getInitializedProperties(node, true)); + writeLine(); + emitDecoratorsOfClass(node, undefined); + writeLine(); + emitToken(16, node.members.end, function () { + write("return "); + emitDeclarationName(node); + }); + write(";"); + emitTempDeclarations(true); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + emitStart(node); + write("("); + if (baseTypeNode) { + emit(baseTypeNode.expression); + } + write("))"); + if (node.kind === 217) { + write(";"); + } + emitEnd(node); + if (node.kind === 217) { + emitExportMemberAssignment(node); + } + } + function emitClassMemberPrefix(node, member) { + emitDeclarationName(node); + if (!(member.flags & 64)) { + write(".prototype"); + } + } + function emitDecoratorsOfClass(node, decoratedClassAlias) { + emitDecoratorsOfMembers(node, 0); + emitDecoratorsOfMembers(node, 64); + emitDecoratorsOfConstructor(node, decoratedClassAlias); + } + function emitDecoratorsOfConstructor(node, decoratedClassAlias) { + var decorators = node.decorators; + var constructor = ts.getFirstConstructorWithBody(node); + var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); + if (!decorators && !firstParameterDecorator) { + return; + } + writeLine(); + emitStart(node.decorators || firstParameterDecorator); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = __decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(constructor, argumentsWritten > 0); + } + emitSerializedTypeMetadata(node, argumentsWritten >= 0); + decreaseIndent(); + writeLine(); + write("], "); + emitDeclarationName(node); + write(")"); + emitEnd(node.decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + function emitDecoratorsOfMembers(node, staticFlag) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.flags & 64) !== staticFlag) { + continue; + } + if (!ts.nodeCanBeDecorated(member)) { + continue; + } + var decorators = void 0; + var functionLikeMember = void 0; + if (ts.isAccessor(member)) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member !== accessors.firstAccessor) { + continue; + } + decorators = accessors.firstAccessor.decorators; + if (!decorators && accessors.secondAccessor) { + decorators = accessors.secondAccessor.decorators; + } + functionLikeMember = accessors.setAccessor; + } + else { + decorators = member.decorators; + if (member.kind === 144) { + functionLikeMember = member; + } + } + var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); + if (!decorators && !firstParameterDecorator) { + continue; + } + writeLine(); + emitStart(decorators || firstParameterDecorator); + write("__decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, true, false, false, true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); + } + emitSerializedTypeMetadata(member, argumentsWritten > 0); + decreaseIndent(); + writeLine(); + write("], "); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + if (languageVersion > 0) { + if (member.kind !== 142) { + write(", null"); + } + else { + write(", void 0"); + } + } + write(")"); + emitEnd(decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + } + function emitDecoratorsOfParameters(node, leadingComma) { + var argumentsWritten = 0; + if (node) { + var parameterIndex_1 = 0; + for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { + var parameter = _b[_a]; + if (ts.nodeIsDecorated(parameter)) { + var decorators = parameter.decorators; + argumentsWritten += emitList(decorators, 0, decorators.length, true, false, leadingComma, true, function (decorator) { + write("__param(" + parameterIndex_1 + ", "); + emit(decorator.expression); + write(")"); + }); + leadingComma = true; + } + parameterIndex_1++; + } + } + return argumentsWritten; + } + function shouldEmitTypeMetadata(node) { + switch (node.kind) { + case 144: + case 146: + case 147: + case 142: + return true; + } + return false; + } + function shouldEmitReturnTypeMetadata(node) { + switch (node.kind) { + case 144: + return true; + } + return false; + } + function shouldEmitParamTypesMetadata(node) { + switch (node.kind) { + case 217: + case 144: + case 147: + return true; + } + return false; + } + function emitSerializedTypeOfNode(node) { + switch (node.kind) { + case 217: + write("Function"); + return; + case 142: + emitSerializedTypeNode(node.type); + return; + case 139: + emitSerializedTypeNode(node.type); + return; + case 146: + emitSerializedTypeNode(node.type); + return; + case 147: + emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + return; + } + if (ts.isFunctionLike(node)) { + write("Function"); + return; + } + write("void 0"); + } + function emitSerializedTypeNode(node) { + if (node) { + switch (node.kind) { + case 103: + write("void 0"); + return; + case 161: + emitSerializedTypeNode(node.type); + return; + case 153: + case 154: + write("Function"); + return; + case 157: + case 158: + write("Array"); + return; + case 151: + case 120: + write("Boolean"); + return; + case 130: + case 163: + write("String"); + return; + case 128: + write("Number"); + return; + case 131: + write("Symbol"); + return; + case 152: + emitSerializedTypeReferenceNode(node); + return; + case 155: + case 156: + case 159: + case 160: + case 117: + case 162: + break; + default: + ts.Debug.fail("Cannot serialize unexpected type node."); + break; + } + } + write("Object"); + } + function emitSerializedTypeReferenceNode(node) { + var location = node.parent; + while (ts.isDeclaration(location) || ts.isTypeNode(location)) { + location = location.parent; + } + var typeName = ts.cloneEntityName(node.typeName, location); + var result = resolver.getTypeReferenceSerializationKind(typeName); + switch (result) { + case ts.TypeReferenceSerializationKind.Unknown: + var temp = createAndRecordTempVariable(0); + write("(typeof ("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(typeName, true); + write(") === 'function' && "); + emitNodeWithoutSourceMap(temp); + write(") || Object"); + break; + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + emitEntityNameAsExpression(typeName, false); + break; + case ts.TypeReferenceSerializationKind.VoidType: + write("void 0"); + break; + case ts.TypeReferenceSerializationKind.BooleanType: + write("Boolean"); + break; + case ts.TypeReferenceSerializationKind.NumberLikeType: + write("Number"); + break; + case ts.TypeReferenceSerializationKind.StringLikeType: + write("String"); + break; + case ts.TypeReferenceSerializationKind.ArrayLikeType: + write("Array"); + break; + case ts.TypeReferenceSerializationKind.ESSymbolType: + if (languageVersion < 2) { + write("typeof Symbol === 'function' ? Symbol : Object"); + } + else { + write("Symbol"); + } + break; + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + write("Function"); + break; + case ts.TypeReferenceSerializationKind.ObjectType: + write("Object"); + break; + } + } + function emitSerializedParameterTypesOfNode(node) { + if (node) { + var valueDeclaration = void 0; + if (node.kind === 217) { + valueDeclaration = ts.getFirstConstructorWithBody(node); + } + else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { + valueDeclaration = node; + } + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var parameterCount = parameters.length; + if (parameterCount > 0) { + for (var i = 0; i < parameterCount; i++) { + if (i > 0) { + write(", "); + } + if (parameters[i].dotDotDotToken) { + var parameterType = parameters[i].type; + if (parameterType.kind === 157) { + parameterType = parameterType.elementType; + } + else if (parameterType.kind === 152 && parameterType.typeArguments && parameterType.typeArguments.length === 1) { + parameterType = parameterType.typeArguments[0]; + } + else { + parameterType = undefined; + } + emitSerializedTypeNode(parameterType); + } + else { + emitSerializedTypeOfNode(parameters[i]); + } + } + } + } + } + } + function emitSerializedReturnTypeOfNode(node) { + if (node && ts.isFunctionLike(node) && node.type) { + emitSerializedTypeNode(node.type); + return; + } + write("void 0"); + } + function emitSerializedTypeMetadata(node, writeComma) { + var argumentsWritten = 0; + if (compilerOptions.emitDecoratorMetadata) { + if (shouldEmitTypeMetadata(node)) { + if (writeComma) { + write(", "); + } + writeLine(); + write("__metadata('design:type', "); + emitSerializedTypeOfNode(node); + write(")"); + argumentsWritten++; + } + if (shouldEmitParamTypesMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:paramtypes', ["); + emitSerializedParameterTypesOfNode(node); + write("])"); + argumentsWritten++; + } + if (shouldEmitReturnTypeMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:returntype', "); + emitSerializedReturnTypeOfNode(node); + write(")"); + argumentsWritten++; + } + } + return argumentsWritten; + } + function emitInterfaceDeclaration(node) { + emitCommentsOnNotEmittedNode(node); + } + function shouldEmitEnumDeclaration(node) { + var isConstEnum = ts.isConst(node); + return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; + } + function emitEnumDeclaration(node) { + if (!shouldEmitEnumDeclaration(node)) { + return; + } + if (!shouldHoistDeclarationInSystemJsModule(node)) { + var isES6ExportedEnum = isES6ExportedDeclaration(node); + if (!(node.flags & 2) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220))) { + emitStart(node); + if (isES6ExportedEnum) { + write("export "); + } + write("var "); + emit(node.name); + emitEnd(node); + write(";"); + } + } + writeLine(); + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") {"); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + writeLine(); + emitToken(16, node.members.end); + write(")("); + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.flags & 2 && !shouldHoistDeclarationInSystemJsModule(node)) { + writeLine(); + emitStart(node); + write("var "); + emit(node.name); + write(" = "); + emitModuleMemberName(node); + emitEnd(node); + write(";"); + } + if (modulekind !== 5 && node.parent === currentSourceFile) { + if (modulekind === 4 && (node.flags & 2)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function emitEnumMember(node) { + var enumParent = node.parent; + emitStart(node); + write(getGeneratedNameForNode(enumParent)); + write("["); + write(getGeneratedNameForNode(enumParent)); + write("["); + emitExpressionForPropertyName(node.name); + write("] = "); + writeEnumMemberDeclarationValue(node); + write("] = "); + emitExpressionForPropertyName(node.name); + emitEnd(node); + write(";"); + } + function writeEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + write(value.toString()); + return; + } + else if (member.initializer) { + emit(member.initializer); + } + else { + write("undefined"); + } + } + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 221) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; + } + } + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isModuleMergedWithES6Class(node) { + return languageVersion === 2 && !!(resolver.getNodeCheckFlags(node) & 32768); + } + function isFirstDeclarationOfKind(node, declarations, kind) { + return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); + } + function emitModuleDeclaration(node) { + var shouldEmit = shouldEmitModuleDeclaration(node); + if (!shouldEmit) { + return emitCommentsOnNotEmittedNode(node); + } + var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); + var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); + if (emitVarForModule) { + var isES6ExportedNamespace = isES6ExportedDeclaration(node); + if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221)) { + emitStart(node); + if (isES6ExportedNamespace) { + write("export "); + } + write("var "); + emit(node.name); + write(";"); + emitEnd(node); + writeLine(); + } + } + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") "); + if (node.body.kind === 222) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + emit(node.body); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + } + else { + write("{"); + increaseIndent(); + emitCaptureThisForNodeIfNecessary(node); + writeLine(); + emit(node.body); + decreaseIndent(); + writeLine(); + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + emitToken(16, moduleBlock.statements.end); + } + write(")("); + if ((node.flags & 2) && !isES6ExportedDeclaration(node)) { + emit(node.name); + write(" = "); + } + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.name.kind === 69 && node.parent === currentSourceFile) { + if (modulekind === 4 && (node.flags & 2)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function tryRenameExternalModule(moduleName) { + if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { + return "\"" + renamedDependencies[moduleName.text] + "\""; + } + return undefined; + } + function emitRequire(moduleName) { + if (moduleName.kind === 9) { + write("require("); + var text = tryRenameExternalModule(moduleName); + if (text) { + write(text); + } + else { + emitStart(moduleName); + emitLiteral(moduleName); + emitEnd(moduleName); + } + emitToken(18, moduleName.end); + } + else { + write("require()"); + } + } + function getNamespaceDeclarationNode(node) { + if (node.kind === 224) { + return node; + } + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227) { + return importClause.namedBindings; + } + } + function isDefaultImport(node) { + return node.kind === 225 && node.importClause && !!node.importClause.name; + } + function emitExportImportAssignments(node) { + if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + emitExportMemberAssignments(node.name); + } + ts.forEachChild(node, emitExportImportAssignments); + } + function emitImportDeclaration(node) { + if (modulekind !== 5) { + return emitExternalImportDeclaration(node); + } + if (node.importClause) { + var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); + var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, true); + if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { + write("import "); + emitStart(node.importClause); + if (shouldEmitDefaultBindings) { + emit(node.importClause.name); + if (shouldEmitNamedBindings) { + write(", "); + } + } + if (shouldEmitNamedBindings) { + emitLeadingComments(node.importClause.namedBindings); + emitStart(node.importClause.namedBindings); + if (node.importClause.namedBindings.kind === 227) { + write("* as "); + emit(node.importClause.namedBindings.name); + } + else { + write("{ "); + emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); + write(" }"); + } + emitEnd(node.importClause.namedBindings); + emitTrailingComments(node.importClause.namedBindings); + } + emitEnd(node.importClause); + write(" from "); + emit(node.moduleSpecifier); + write(";"); + } + } + else { + write("import "); + emit(node.moduleSpecifier); + write(";"); + } + } + function emitExternalImportDeclaration(node) { + if (ts.contains(externalImports, node)) { + var isExportedImport = node.kind === 224 && (node.flags & 2) !== 0; + var namespaceDeclaration = getNamespaceDeclarationNode(node); + var varOrConst = (languageVersion <= 1) ? "var " : "const "; + if (modulekind !== 2) { + emitLeadingComments(node); + emitStart(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + if (!isExportedImport) { + write(varOrConst); + } + ; + emitModuleMemberName(namespaceDeclaration); + write(" = "); + } + else { + var isNakedImport = 225 && !node.importClause; + if (!isNakedImport) { + write(varOrConst); + write(getGeneratedNameForNode(node)); + write(" = "); + } + } + emitRequire(ts.getExternalModuleName(node)); + if (namespaceDeclaration && isDefaultImport(node)) { + write(", "); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + else { + if (isExportedImport) { + emitModuleMemberName(namespaceDeclaration); + write(" = "); + emit(namespaceDeclaration.name); + write(";"); + } + else if (namespaceDeclaration && isDefaultImport(node)) { + write(varOrConst); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + write(";"); + } + emitExportImportAssignments(node); + } + } + } + function emitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + emitExternalImportDeclaration(node); + return; + } + if (resolver.isReferencedAliasDeclaration(node) || + (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { + emitLeadingComments(node); + emitStart(node); + var variableDeclarationIsHoisted = shouldHoistVariable(node, true); + var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, true); + if (!variableDeclarationIsHoisted) { + ts.Debug.assert(!isExported); + if (isES6ExportedDeclaration(node)) { + write("export "); + write("var "); + } + else if (!(node.flags & 2)) { + write("var "); + } + } + if (isExported) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.name); + write("\", "); + } + emitModuleMemberName(node); + write(" = "); + emit(node.moduleReference); + if (isExported) { + write(")"); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + } + function emitExportDeclaration(node) { + ts.Debug.assert(modulekind !== 4); + if (modulekind !== 5) { + if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { + emitStart(node); + var generatedName = getGeneratedNameForNode(node); + if (node.exportClause) { + if (modulekind !== 2) { + write("var "); + write(generatedName); + write(" = "); + emitRequire(ts.getExternalModuleName(node)); + write(";"); + } + for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { + var specifier = _b[_a]; + if (resolver.isValueAliasDeclaration(specifier)) { + writeLine(); + emitStart(specifier); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write(" = "); + write(generatedName); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); + write(";"); + emitEnd(specifier); + } + } + } + else { + if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + writeLine(); + write("__export("); + if (modulekind !== 2) { + emitRequire(ts.getExternalModuleName(node)); + } + else { + write(generatedName); + } + write(");"); + } + } + emitEnd(node); + } + } + else { + if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { + write("export "); + if (node.exportClause) { + write("{ "); + emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emit(node.moduleSpecifier); + } + write(";"); + } + } + } + function emitExportOrImportSpecifierList(specifiers, shouldEmit) { + ts.Debug.assert(modulekind === 5); + var needsComma = false; + for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { + var specifier = specifiers_1[_a]; + if (shouldEmit(specifier)) { + if (needsComma) { + write(", "); + } + if (specifier.propertyName) { + emit(specifier.propertyName); + write(" as "); + } + emit(specifier.name); + needsComma = true; + } + } + } + function emitExportAssignment(node) { + if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { + if (modulekind === 5) { + writeLine(); + emitStart(node); + write("export default "); + var expression = node.expression; + emit(expression); + if (expression.kind !== 216 && + expression.kind !== 217) { + write(";"); + } + emitEnd(node); + } + else { + writeLine(); + emitStart(node); + if (modulekind === 4) { + write(exportFunctionForFile + "(\"default\","); + emit(node.expression); + write(")"); + } + else { + emitEs6ExportDefaultCompat(node); + emitContainingModuleName(node); + if (languageVersion === 0) { + write("[\"default\"] = "); + } + else { + write(".default = "); + } + emit(node.expression); + } + write(";"); + emitEnd(node); + } + } + } + function collectExternalModuleInfo(sourceFile) { + externalImports = []; + exportSpecifiers = {}; + exportEquals = undefined; + hasExportStarsToExportValues = false; + for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { + var node = _b[_a]; + switch (node.kind) { + case 225: + if (!node.importClause || + resolver.isReferencedAliasDeclaration(node.importClause, true)) { + externalImports.push(node); + } + break; + case 224: + if (node.moduleReference.kind === 235 && resolver.isReferencedAliasDeclaration(node)) { + externalImports.push(node); + } + break; + case 231: + if (node.moduleSpecifier) { + if (!node.exportClause) { + if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + } + else if (resolver.isValueAliasDeclaration(node)) { + externalImports.push(node); + } + } + else { + for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { + var specifier = _d[_c]; + var name_28 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); + } + } + break; + case 230: + if (node.isExportEquals && !exportEquals) { + exportEquals = node; + } + break; + } + } + } + function emitExportStarHelper() { + if (hasExportStarsToExportValues) { + writeLine(); + write("function __export(m) {"); + increaseIndent(); + writeLine(); + write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function getLocalNameForExternalImport(node) { + var namespaceDeclaration = getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); + } + if (node.kind === 225 && node.importClause) { + return getGeneratedNameForNode(node); + } + if (node.kind === 231 && node.moduleSpecifier) { + return getGeneratedNameForNode(node); + } + } + function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { + if (emitRelativePathAsModuleName) { + var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); + if (name_29) { + return "\"" + name_29 + "\""; + } + } + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9) { + return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); + } + return undefined; + } + function emitVariableDeclarationsForImports() { + if (externalImports.length === 0) { + return; + } + writeLine(); + var started = false; + for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { + var importNode = externalImports_1[_a]; + var skipNode = importNode.kind === 231 || + (importNode.kind === 225 && !importNode.importClause); + if (skipNode) { + continue; + } + if (!started) { + write("var "); + started = true; + } + else { + write(", "); + } + write(getLocalNameForExternalImport(importNode)); + } + if (started) { + write(";"); + } + } + function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { + if (!hasExportStarsToExportValues) { + return undefined; + } + if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { + var hasExportDeclarationWithExportClause = false; + for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { + var externalImport = externalImports_2[_a]; + if (externalImport.kind === 231 && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } + } + if (!hasExportDeclarationWithExportClause) { + return emitExportStarFunction(undefined); + } + } + var exportedNamesStorageRef = makeUniqueName("exportedNames"); + writeLine(); + write("var " + exportedNamesStorageRef + " = {"); + increaseIndent(); + var started = false; + if (exportedDeclarations) { + for (var i = 0; i < exportedDeclarations.length; i++) { + writeExportedName(exportedDeclarations[i]); + } + } + if (exportSpecifiers) { + for (var n in exportSpecifiers) { + for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { + var specifier = _c[_b]; + writeExportedName(specifier.name); + } + } + } + for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { + var externalImport = externalImports_3[_d]; + if (externalImport.kind !== 231) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + continue; + } + for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { + var element = _f[_e]; + writeExportedName(element.name || element.propertyName); + } + } + decreaseIndent(); + writeLine(); + write("};"); + return emitExportStarFunction(exportedNamesStorageRef); + function emitExportStarFunction(localNames) { + var exportStarFunction = makeUniqueName("exportStar"); + writeLine(); + write("function " + exportStarFunction + "(m) {"); + increaseIndent(); + writeLine(); + write("var exports = {};"); + writeLine(); + write("for(var n in m) {"); + increaseIndent(); + writeLine(); + write("if (n !== \"default\""); + if (localNames) { + write("&& !" + localNames + ".hasOwnProperty(n)"); + } + write(") exports[n] = m[n];"); + decreaseIndent(); + writeLine(); + write("}"); + writeLine(); + write(exportFunctionForFile + "(exports);"); + decreaseIndent(); + writeLine(); + write("}"); + return exportStarFunction; + } + function writeExportedName(node) { + if (node.kind !== 69 && node.flags & 512) { + return; + } + if (started) { + write(","); + } + else { + started = true; + } + writeLine(); + write("'"); + if (node.kind === 69) { + emitNodeWithCommentsAndWithoutSourcemap(node); + } + else { + emitDeclarationName(node); + } + write("': true"); + } + } + function processTopLevelVariableAndFunctionDeclarations(node) { + var hoistedVars; + var hoistedFunctionDeclarations; + var exportedDeclarations; + visit(node); + if (hoistedVars) { + writeLine(); + write("var "); + var seen = {}; + for (var i = 0; i < hoistedVars.length; i++) { + var local = hoistedVars[i]; + var name_30 = local.kind === 69 + ? local + : local.name; + if (name_30) { + var text = ts.unescapeIdentifier(name_30.text); + if (ts.hasProperty(seen, text)) { + continue; + } + else { + seen[text] = text; + } + } + if (i !== 0) { + write(", "); + } + if (local.kind === 217 || local.kind === 221 || local.kind === 220) { + emitDeclarationName(local); + } + else { + emit(local); + } + var flags = ts.getCombinedNodeFlags(local.kind === 69 ? local.parent : local); + if (flags & 2) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(local); + } + } + write(";"); + } + if (hoistedFunctionDeclarations) { + for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { + var f = hoistedFunctionDeclarations_1[_a]; + writeLine(); + emit(f); + if (f.flags & 2) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(f); + } + } + } + return exportedDeclarations; + function visit(node) { + if (node.flags & 4) { + return; + } + if (node.kind === 216) { + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = []; + } + hoistedFunctionDeclarations.push(node); + return; + } + if (node.kind === 217) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + return; + } + if (node.kind === 220) { + if (shouldEmitEnumDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 221) { + if (shouldEmitModuleDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 214 || node.kind === 166) { + if (shouldHoistVariable(node, false)) { + var name_31 = node.name; + if (name_31.kind === 69) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(name_31); + } + else { + ts.forEachChild(name_31, visit); + } + } + return; + } + if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node.name); + return; + } + if (ts.isBindingPattern(node)) { + ts.forEach(node.elements, visit); + return; + } + if (!ts.isDeclaration(node)) { + ts.forEachChild(node, visit); + } + } + } + function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { + if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { + return false; + } + return (ts.getCombinedNodeFlags(node) & 24576) === 0 || + ts.getEnclosingBlockScopeContainer(node).kind === 251; + } + function isCurrentFileSystemExternalModule() { + return modulekind === 4 && isCurrentFileExternalModule; + } + function emitSystemModuleBody(node, dependencyGroups, startIndex) { + emitVariableDeclarationsForImports(); + writeLine(); + var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); + var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); + writeLine(); + write("return {"); + increaseIndent(); + writeLine(); + emitSetters(exportStarFunction, dependencyGroups); + writeLine(); + emitExecute(node, startIndex); + decreaseIndent(); + writeLine(); + write("}"); + emitTempDeclarations(true); + } + function emitSetters(exportStarFunction, dependencyGroups) { + write("setters:["); + for (var i = 0; i < dependencyGroups.length; i++) { + if (i !== 0) { + write(","); + } + writeLine(); + increaseIndent(); + var group = dependencyGroups[i]; + var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); + write("function (" + parameterName + ") {"); + increaseIndent(); + for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { + var entry = group_1[_a]; + var importVariableName = getLocalNameForExternalImport(entry) || ""; + switch (entry.kind) { + case 225: + if (!entry.importClause) { + break; + } + case 224: + ts.Debug.assert(importVariableName !== ""); + writeLine(); + write(importVariableName + " = " + parameterName + ";"); + writeLine(); + break; + case 231: + ts.Debug.assert(importVariableName !== ""); + if (entry.exportClause) { + writeLine(); + write(exportFunctionForFile + "({"); + writeLine(); + increaseIndent(); + for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { + if (i_1 !== 0) { + write(","); + writeLine(); + } + var e = entry.exportClause.elements[i_1]; + write("\""); + emitNodeWithCommentsAndWithoutSourcemap(e.name); + write("\": " + parameterName + "[\""); + emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); + write("\"]"); + } + decreaseIndent(); + writeLine(); + write("});"); + } + else { + writeLine(); + write(exportStarFunction + "(" + parameterName + ");"); + } + writeLine(); + break; + } + } + decreaseIndent(); + write("}"); + decreaseIndent(); + } + write("],"); + } + function emitExecute(node, startIndex) { + write("execute: function() {"); + increaseIndent(); + writeLine(); + for (var i = startIndex; i < node.statements.length; i++) { + var statement = node.statements[i]; + switch (statement.kind) { + case 216: + case 225: + continue; + case 231: + if (!statement.moduleSpecifier) { + for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { + var element = _b[_a]; + emitExportSpecifierInSystemModule(element); + } + } + continue; + case 224: + if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { + continue; + } + default: + writeLine(); + emit(statement); + } + } + decreaseIndent(); + writeLine(); + write("}"); + } + function writeModuleName(node, emitRelativePathAsModuleName) { + var moduleName = node.moduleName; + if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { + write("\"" + moduleName + "\", "); + } + } + function emitSystemModule(node, emitRelativePathAsModuleName) { + collectExternalModuleInfo(node); + ts.Debug.assert(!exportFunctionForFile); + exportFunctionForFile = makeUniqueName("exports"); + contextObjectForFile = makeUniqueName("context"); + writeLine(); + write("System.register("); + writeModuleName(node, emitRelativePathAsModuleName); + write("["); + var groupIndices = {}; + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); + if (text === undefined) { + continue; + } + var key = text.substr(1, text.length - 2); + if (ts.hasProperty(groupIndices, key)) { + var groupIndex = groupIndices[key]; + dependencyGroups[groupIndex].push(externalImports[i]); + continue; + } + else { + groupIndices[key] = dependencyGroups.length; + dependencyGroups.push([externalImports[i]]); + } + if (i !== 0) { + write(", "); + } + write(text); + } + write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); + writeLine(); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + writeLine(); + write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); + writeLine(); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitSystemModuleBody(node, dependencyGroups, startIndex); + decreaseIndent(); + writeLine(); + write("});"); + } + function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + var aliasedModuleNames = []; + var unaliasedModuleNames = []; + var importAliasNames = []; + for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { + var amdDependency = _b[_a]; + if (amdDependency.name) { + aliasedModuleNames.push("\"" + amdDependency.path + "\""); + importAliasNames.push(amdDependency.name); + } + else { + unaliasedModuleNames.push("\"" + amdDependency.path + "\""); + } + } + for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { + var importNode = externalImports_4[_c]; + var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); + var importAliasName = getLocalNameForExternalImport(importNode); + if (includeNonAmdDependencies && importAliasName) { + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(importAliasName); + } + else { + unaliasedModuleNames.push(externalModuleName); + } + } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); + emitAMDDependencyList(dependencyNames); + write(", "); + emitAMDFactoryHeader(dependencyNames); + } + function emitAMDDependencyList(_a) { + var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; + write("[\"require\", \"exports\""); + if (aliasedModuleNames.length) { + write(", "); + write(aliasedModuleNames.join(", ")); + } + if (unaliasedModuleNames.length) { + write(", "); + write(unaliasedModuleNames.join(", ")); + } + write("]"); + } + function emitAMDFactoryHeader(_a) { + var importAliasNames = _a.importAliasNames; + write("function (require, exports"); + if (importAliasNames.length) { + write(", "); + write(importAliasNames.join(", ")); + } + write(") {"); + } + function emitAMDModule(node, emitRelativePathAsModuleName) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + writeLine(); + write("define("); + writeModuleName(node, emitRelativePathAsModuleName); + emitAMDDependencies(node, true, emitRelativePathAsModuleName); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitCommonJSModule(node) { + var startIndex = emitDirectivePrologues(node.statements, false, !compilerOptions.noImplicitUseStrict); + emitEmitHelpers(node); + collectExternalModuleInfo(node); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(false); + } + function emitUMDModule(node) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + var dependencyNames = getAMDDependencyNames(node, false); + writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); + emitAMDDependencyList(dependencyNames); + write(", factory);"); + writeLines(" }\n})("); + emitAMDFactoryHeader(dependencyNames); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, true, !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + emitExportEquals(true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitES6Module(node) { + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + var startIndex = emitDirectivePrologues(node.statements, false); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + } + function emitExportEquals(emitAsReturn) { + if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { + writeLine(); + emitStart(exportEquals); + write(emitAsReturn ? "return " : "module.exports = "); + emit(exportEquals.expression); + write(";"); + emitEnd(exportEquals); + } + } + function emitJsxElement(node) { + switch (compilerOptions.jsx) { + case 2: + jsxEmitReact(node); + break; + case 1: + default: + jsxEmitPreserve(node); + break; + } + } + function trimReactWhitespaceAndApplyEntities(node) { + var result = undefined; + var text = ts.getTextOfNode(node, true); + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + if (result) { + result = result.replace(/&(\w+);/g, function (s, m) { + if (entities[m] !== undefined) { + var ch = String.fromCharCode(entities[m]); + return ch === "\"" ? "\\\"" : ch; + } + else { + return s; + } + }); + } + return result; + } + function getTextToEmit(node) { + switch (compilerOptions.jsx) { + case 2: + var text = trimReactWhitespaceAndApplyEntities(node); + if (text === undefined || text.length === 0) { + return undefined; + } + else { + return text; + } + case 1: + default: + return ts.getTextOfNode(node, true); + } + } + function emitJsxText(node) { + switch (compilerOptions.jsx) { + case 2: + write("\""); + write(trimReactWhitespaceAndApplyEntities(node)); + write("\""); + break; + case 1: + default: + writer.writeLiteral(ts.getTextOfNode(node, true)); + break; + } + } + function emitJsxExpression(node) { + if (node.expression) { + switch (compilerOptions.jsx) { + case 1: + default: + write("{"); + emit(node.expression); + write("}"); + break; + case 2: + emit(node.expression); + break; + } + } + } + function isUseStrictPrologue(node) { + return !!node.expression.text.match(/use strict/); + } + function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { + if (writeUseStrict) { + if (startWithNewLine) { + writeLine(); + } + write("\"use strict\";"); + } + } + function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { + var foundUseStrict = false; + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (isUseStrictPrologue(statements[i])) { + foundUseStrict = true; + } + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); + } + else { + ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); + return i; + } + } + ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); + return statements.length; + } + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + writeLine(); + write(line); + } + } + } + function emitEmitHelpers(node) { + if (!compilerOptions.noEmitHelpers) { + if ((languageVersion < 2) && (!extendsEmitted && node.flags & 4194304)) { + writeLines(extendsHelper); + extendsEmitted = true; + } + if (!decorateEmitted && node.flags & 8388608) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + } + if (!paramEmitted && node.flags & 16777216) { + writeLines(paramHelper); + paramEmitted = true; + } + if (!awaiterEmitted && node.flags & 33554432) { + writeLines(awaiterHelper); + awaiterEmitted = true; + } + } + } + function emitSourceFileNode(node) { + writeLine(); + emitShebang(); + emitDetachedCommentsAndUpdateCommentsInfo(node); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { + var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1]; + emitModule(node); + } + else { + bundleEmitDelegates[modulekind](node, true); + } + } + else { + var startIndex = emitDirectivePrologues(node.statements, false); + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(true); + } + emitLeadingComments(node.endOfFileToken); + } + function emit(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); + } + function emitNodeWithCommentsAndWithoutSourcemap(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); + } + function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { + if (node) { + if (node.flags & 4) { + return emitCommentsOnNotEmittedNode(node); + } + if (isSpecializedCommentHandling(node)) { + return emitNodeWithoutSourceMap(node); + } + var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); + if (emitComments_1) { + emitLeadingComments(node); + } + emitNodeConsideringSourcemap(node); + if (emitComments_1) { + emitTrailingComments(node); + } + } + } + function emitNodeWithSourceMap(node) { + if (node) { + emitStart(node); + emitNodeWithoutSourceMap(node); + emitEnd(node); + } + } + function emitNodeWithoutSourceMap(node) { + if (node) { + emitJavaScriptWorker(node); + } + } + function changeSourceMapEmit(writer) { + sourceMap = writer; + emitStart = writer.emitStart; + emitEnd = writer.emitEnd; + emitPos = writer.emitPos; + setSourceFile = writer.setSourceFile; + } + function withTemporaryNoSourceMap(callback) { + var prevSourceMap = sourceMap; + setSourceMapWriterEmit(ts.getNullSourceMapWriter()); + callback(); + setSourceMapWriterEmit(prevSourceMap); + } + function isSpecializedCommentHandling(node) { + switch (node.kind) { + case 218: + case 216: + case 225: + case 224: + case 219: + case 230: + return true; + } + } + function shouldEmitLeadingAndTrailingComments(node) { + switch (node.kind) { + case 196: + return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); + case 221: + return shouldEmitModuleDeclaration(node); + case 220: + return shouldEmitEnumDeclaration(node); + } + ts.Debug.assert(!isSpecializedCommentHandling(node)); + if (node.kind !== 195 && + node.parent && + node.parent.kind === 177 && + node.parent.body === node && + compilerOptions.target <= 1) { + return false; + } + return true; + } + function emitJavaScriptWorker(node) { + switch (node.kind) { + case 69: + return emitIdentifier(node); + case 139: + return emitParameter(node); + case 144: + case 143: + return emitMethod(node); + case 146: + case 147: + return emitAccessor(node); + case 97: + return emitThis(node); + case 95: + return emitSuper(node); + case 93: + return write("null"); + case 99: + return write("true"); + case 84: + return write("false"); + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + case 14: + return emitLiteral(node); + case 186: + return emitTemplateExpression(node); + case 193: + return emitTemplateSpan(node); + case 236: + case 237: + return emitJsxElement(node); + case 239: + return emitJsxText(node); + case 243: + return emitJsxExpression(node); + case 136: + return emitQualifiedName(node); + case 164: + return emitObjectBindingPattern(node); + case 165: + return emitArrayBindingPattern(node); + case 166: + return emitBindingElement(node); + case 167: + return emitArrayLiteral(node); + case 168: + return emitObjectLiteral(node); + case 248: + return emitPropertyAssignment(node); + case 249: + return emitShorthandPropertyAssignment(node); + case 137: + return emitComputedPropertyName(node); + case 169: + return emitPropertyAccess(node); + case 170: + return emitIndexedAccess(node); + case 171: + return emitCallExpression(node); + case 172: + return emitNewExpression(node); + case 173: + return emitTaggedTemplateExpression(node); + case 174: + return emit(node.expression); + case 192: + return emit(node.expression); + case 175: + return emitParenExpression(node); + case 216: + case 176: + case 177: + return emitFunctionDeclaration(node); + case 178: + return emitDeleteExpression(node); + case 179: + return emitTypeOfExpression(node); + case 180: + return emitVoidExpression(node); + case 181: + return emitAwaitExpression(node); + case 182: + return emitPrefixUnaryExpression(node); + case 183: + return emitPostfixUnaryExpression(node); + case 184: + return emitBinaryExpression(node); + case 185: + return emitConditionalExpression(node); + case 188: + return emitSpreadElementExpression(node); + case 187: + return emitYieldExpression(node); + case 190: + return; + case 195: + case 222: + return emitBlock(node); + case 196: + return emitVariableStatement(node); + case 197: + return write(";"); + case 198: + return emitExpressionStatement(node); + case 199: + return emitIfStatement(node); + case 200: + return emitDoStatement(node); + case 201: + return emitWhileStatement(node); + case 202: + return emitForStatement(node); + case 204: + case 203: + return emitForInOrForOfStatement(node); + case 205: + case 206: + return emitBreakOrContinueStatement(node); + case 207: + return emitReturnStatement(node); + case 208: + return emitWithStatement(node); + case 209: + return emitSwitchStatement(node); + case 244: + case 245: + return emitCaseOrDefaultClause(node); + case 210: + return emitLabeledStatement(node); + case 211: + return emitThrowStatement(node); + case 212: + return emitTryStatement(node); + case 247: + return emitCatchClause(node); + case 213: + return emitDebuggerStatement(node); + case 214: + return emitVariableDeclaration(node); + case 189: + return emitClassExpression(node); + case 217: + return emitClassDeclaration(node); + case 218: + return emitInterfaceDeclaration(node); + case 220: + return emitEnumDeclaration(node); + case 250: + return emitEnumMember(node); + case 221: + return emitModuleDeclaration(node); + case 225: + return emitImportDeclaration(node); + case 224: + return emitImportEqualsDeclaration(node); + case 231: + return emitExportDeclaration(node); + case 230: + return emitExportAssignment(node); + case 251: + return emitSourceFileNode(node); + } + } + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + } + function getLeadingCommentsWithoutDetachedComments() { + var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); + } + else { + detachedCommentsInfo = undefined; + } + return leadingComments; + } + function isTripleSlashComment(comment) { + if (currentText.charCodeAt(comment.pos + 1) === 47 && + comment.pos + 2 < comment.end && + currentText.charCodeAt(comment.pos + 2) === 47) { + var textSubStr = currentText.substring(comment.pos, comment.end); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; + } + return false; + } + function getLeadingCommentsToEmit(node) { + if (node.parent) { + if (node.parent.kind === 251 || node.pos !== node.parent.pos) { + if (hasDetachedComments(node.pos)) { + return getLeadingCommentsWithoutDetachedComments(); + } + else { + return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); + } + } + } + } + function getTrailingCommentsToEmit(node) { + if (node.parent) { + if (node.parent.kind === 251 || node.end !== node.parent.end) { + return ts.getTrailingCommentRanges(currentText, node.end); + } + } + } + function emitCommentsOnNotEmittedNode(node) { + emitLeadingCommentsWorker(node, false); + } + function emitLeadingComments(node) { + return emitLeadingCommentsWorker(node, true); + } + function emitLeadingCommentsWorker(node, isEmittedNode) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (isEmittedNode) { + leadingComments = getLeadingCommentsToEmit(node); + } + else { + if (node.pos === 0) { + leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); + } + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); + ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); + } + function emitTrailingComments(node) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = getTrailingCommentsToEmit(node); + ts.emitComments(currentText, currentLineMap, writer, trailingComments, false, newLine, writeComment); + } + function emitTrailingCommentsOfPosition(pos) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = ts.getTrailingCommentRanges(currentText, pos); + ts.emitComments(currentText, currentLineMap, writer, trailingComments, true, newLine, writeComment); + } + function emitLeadingCommentsOfPositionWorker(pos) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (hasDetachedComments(pos)) { + leadingComments = getLeadingCommentsWithoutDetachedComments(); + } + else { + leadingComments = ts.getLeadingCommentRanges(currentText, pos); + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); + ts.emitComments(currentText, currentLineMap, writer, leadingComments, true, newLine, writeComment); + } + function emitDetachedCommentsAndUpdateCommentsInfo(node) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); + } + else { + detachedCommentsInfo = [currentDetachedCommentInfo]; + } + } + } + function writeComment(text, lineMap, writer, comment, newLine) { + emitPos(comment.pos); + ts.writeCommentRange(text, lineMap, writer, comment, newLine); + emitPos(comment.end); + } + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } + } + var _a, _b; + } + function emitFile(_a, sourceFiles, isBundledEmit) { + var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; + } + } + } + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.programTime = 0; + ts.emitTime = 0; + ts.ioReadTime = 0; + ts.ioWriteTime = 0; + var emptyArray = []; + ts.version = "1.8.2"; + function findConfigFile(searchPath, fileExists) { + var fileName = "tsconfig.json"; + while (true) { + if (fileExists(fileName)) { + return fileName; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + fileName = "../" + fileName; + } + return undefined; + } + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); + } + ts.resolveTripleslashReference = resolveTripleslashReference; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var moduleResolution = compilerOptions.moduleResolution !== undefined + ? compilerOptions.moduleResolution + : ts.getEmitModuleKind(compilerOptions) === 1 ? 2 : 1; + switch (moduleResolution) { + case 2: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + case 1: return classicNameResolver(moduleName, containingFile, compilerOptions, host); + } + } + ts.resolveModuleName = resolveModuleName; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { + var failedLookupLocations = []; + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, false, host); + if (resolvedFileName) { + return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; + } + resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, false, host); + return resolvedFileName + ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + else { + return loadModuleFromNodeModules(moduleName, containingDirectory, host); + } + } + ts.nodeModuleNameResolver = nodeModuleNameResolver; + function directoryProbablyExists(directoryName, host) { + return !host.directoryExists || host.directoryExists(directoryName); + } + ts.directoryProbablyExists = directoryProbablyExists; + function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + return ts.forEach(extensions, tryLoad); + function tryLoad(ext) { + var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; + if (!onlyRecordFailures && host.fileExists(fileName)) { + return fileName; + } + else { + failedLookupLocation.push(fileName); + return undefined; + } + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + var packageJsonPath = ts.combinePaths(candidate, "package.json"); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); + if (directoryExists && host.fileExists(packageJsonPath)) { + var jsonContent = void 0; + try { + var jsonText = host.readFile(packageJsonPath); + jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; + } + catch (e) { + jsonContent = { typings: undefined }; + } + if (typeof jsonContent.typings === "string") { + var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); + var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); + if (result) { + return result; + } + } + } + else { + failedLookupLocation.push(packageJsonPath); + } + return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); + } + function loadModuleFromNodeModules(moduleName, directory, host) { + var failedLookupLocations = []; + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + } + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory) { + break; + } + directory = parentPath; + } + return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + function nameStartsWithDotSlashOrDotDotSlash(name) { + var i = name.lastIndexOf("./", 1); + return i === 0 || (i === 1 && name.charCodeAt(0) === 46); + } + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + if (moduleName.indexOf("!") != -1) { + return { resolvedModule: undefined, failedLookupLocations: [] }; + } + var searchPath = ts.getDirectoryPath(containingFile); + var searchName; + var failedLookupLocations = []; + var referencedSourceFile; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + while (true) { + searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); + referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { + if (extension === ".tsx" && !compilerOptions.jsx) { + return undefined; + } + var candidate = searchName + extension; + if (host.fileExists(candidate)) { + return candidate; + } + else { + failedLookupLocations.push(candidate); + } + }); + if (referencedSourceFile) { + break; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + } + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + ts.classicNameResolver = classicNameResolver; + ts.defaultInitCompilerOptions = { + module: 1, + target: 1, + noImplicitAny: false, + sourceMap: false + }; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = {}; + function getCanonicalFileName(fileName) { + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + } + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + var start = new Date().getTime(); + text = ts.sys.readFile(fileName, options.charset); + ts.ioReadTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; + } + function directoryExists(directoryPath) { + if (ts.hasProperty(existingDirectories, directoryPath)) { + return true; + } + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; + return true; + } + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); + } + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + var start = new Date().getTime(); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + ts.sys.writeFile(fileName, data, writeByteOrderMark); + ts.ioWriteTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + var newLine = ts.getNewLineCharacter(options); + return { + getSourceFile: getSourceFile, + getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } + }; + } + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); + } + return ts.sortAndDeduplicateDiagnostics(diagnostics); + } + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } + } + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; + } + return result; + } + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var programDiagnostics = ts.createDiagnosticCollection(); + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var skipDefaultLib = options.noLib; + var supportedExtensions = ts.getSupportedExtensions(options); + var start = new Date().getTime(); + host = host || createCompilerHost(options); + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var currentDirectory = host.getCurrentDirectory(); + var resolveModuleNamesWorker = host.resolveModuleNames + ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) + : (function (moduleNames, containingFile) { + var resolvedModuleNames = []; + var lookup = {}; + for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { + var moduleName = moduleNames_1[_i]; + var resolvedName = void 0; + if (ts.hasProperty(lookup, moduleName)) { + resolvedName = lookup[moduleName]; + } + else { + resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; + lookup[moduleName] = resolvedName; + } + resolvedModuleNames.push(resolvedName); + } + return resolvedModuleNames; + }); + var filesByName = ts.createFileMap(); + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (oldProgram) { + var oldOptions = oldProgram.getCompilerOptions(); + if ((oldOptions.module !== options.module) || + (oldOptions.noResolve !== options.noResolve) || + (oldOptions.target !== options.target) || + (oldOptions.noLib !== options.noLib) || + (oldOptions.jsx !== options.jsx) || + (oldOptions.allowJs !== options.allowJs)) { + oldProgram = undefined; + } + } + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, false); }); + if (!skipDefaultLib) { + processRootFile(host.getDefaultLibFileName(options), true); + } + } + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } + }; + verifyCompilerOptions(); + ts.programTime += new Date().getTime() - start; + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + commonSourceDirectory += ts.directorySeparator; + } + } + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + getTypeChecker(); + classifiableNames = {}; + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var sourceFile = files_3[_i]; + ts.copyMap(sourceFile.classifiableNames, classifiableNames); + } + } + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; + } + ts.Debug.assert(!oldProgram.structureIsReused); + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; + } + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + return false; + } + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + return false; + } + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var newResolution = resolutions[i]; + var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); + var resolutionChanged = oldResolution + ? !newResolution || + oldResolution.resolvedFileName !== newResolution.resolvedFileName || + !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport + : newResolution; + if (resolutionChanged) { + return false; + } + } + } + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + modifiedSourceFiles.push(newSourceFile); + } + else { + newSourceFile = oldSourceFile; + } + newSourceFiles.push(newSourceFile); + } + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); + } + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + } + oldProgram.structureIsReused = true; + return true; + } + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFiles: program.getSourceFiles, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), + isEmitBlocked: isEmitBlocked + }; + } + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, true)); + } + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, false)); + } + function emit(sourceFile, writeFileCallback, cancellationToken) { + var _this = this; + return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); + } + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + } + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + var declarationDiagnostics = []; + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emitSkipped: true }; + } + } + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + var start = new Date().getTime(); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); + ts.emitTime += new Date().getTime() - start; + return emitResult; + } + function getSourceFile(fileName) { + return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); + } + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + } + function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); + } + catch (e) { + if (e instanceof ts.OperationCanceledException) { + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; + } + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } + switch (node.kind) { + case 224: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 230: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 217: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 246: + var heritageClause = node; + if (heritageClause.token === 106) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 218: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 221: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 219: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; + case 144: + case 143: + case 145: + case 146: + case 147: + case 176: + case 216: + case 177: + case 216: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; + } + break; + case 196: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; + } + break; + case 214: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; + } + break; + case 171: + case 172: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start_2 = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 139: + var parameter = node; + if (parameter.modifiers) { + var start_3 = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; + } + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 142: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 220: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 174: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 140: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); + } + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start_4 = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 112: + case 110: + case 111: + case 122: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + case 113: + case 82: + case 74: + case 77: + case 115: + } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + if (!ts.isDeclarationFile(sourceFile)) { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + var writeFile_1 = function () { }; + return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); + } + }); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 225: + case 224: + case 231: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9) { + break; + } + if (!moduleNameExpr.text) { + break; + } + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 221: + if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 || ts.isDeclarationFile(file))) { + var moduleName = node.name; + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); + } + else if (!inAmbientModule) { + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, true); + } + } + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + return file_1; + } + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + file.path = path; + if (host.useCaseSensitiveFileNames()) { + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); + } + } + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + var basePath = ts.getDirectoryPath(fileName); + if (!options.noResolve) { + processReferencedFiles(file, basePath); + } + processImportedModules(file, basePath); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, basePath) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, false, file, ref.pos, ref.end); + }); + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file, basePath) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = {}; + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + var shouldAddFile = resolution && + !options.noResolve && + i < file.imports.length; + if (shouldAddFile) { + var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); + if (importedFile && resolution.isExternalLibraryImport) { + if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { + var start_5 = ts.getTokenPosOfNode(file.imports[i], file); + fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); + } + else if (importedFile.referencedFiles.length) { + var firstRef = importedFile.referencedFiles[0]; + fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); + } + } + } + } + } + else { + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var commonPathComponents; + var failed = ts.forEach(files, function (sourceFile) { + if (ts.isDeclarationFile(sourceFile)) { + return; + } + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); + sourcePathComponents.pop(); + if (!commonPathComponents) { + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + return true; + } + commonPathComponents.length = i; + break; + } + } + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + if (failed) { + return ""; + } + if (!commonPathComponents) { + return currentDirectory; + } + return ts.getNormalizedPathFromPathComponents(commonPathComponents); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } + } + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.inlineSources) { + if (!options.sourceMap && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.sourceRoot && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); + } + } + var languageVersion = options.target || 0; + var outFile = options.outFile || options.out; + var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === 0 && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstExternalModuleSourceFile && languageVersion < 2 && options.module === 0) { + var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); + } + if (options.module === 5 && languageVersion < 2) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); + } + if (outFile && options.module && !(options.module === 2 || options.module === 4)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + var dir = getCommonSourceDirectory(); + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (options.noEmit) { + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); + } + if (options.outDir) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); + } + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); + } + } + else if (options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + if (emitFilesSeen.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + function spanInSourceFileAtLocation(sourceFile, position) { + if (sourceFile.flags & 4096) { + return undefined; + } + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { + return undefined; + } + } + if (ts.isInAmbientContext(tokenAtLocation)) { + return undefined; + } + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); + } + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); + } + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); + } + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + } + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent)); + } + function spanInNode(node) { + if (node) { + switch (node.kind) { + case 196: + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 214: + case 142: + case 141: + return spanInVariableDeclaration(node); + case 139: + return spanInParameterDeclaration(node); + case 216: + case 144: + case 143: + case 146: + case 147: + case 145: + case 176: + case 177: + return spanInFunctionDeclaration(node); + case 195: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + case 222: + return spanInBlock(node); + case 247: + return spanInBlock(node.block); + case 198: + return textSpan(node.expression); + case 207: + return textSpan(node.getChildAt(0), node.expression); + case 201: + return textSpanEndingAtNextToken(node, node.expression); + case 200: + return spanInNode(node.statement); + case 213: + return textSpan(node.getChildAt(0)); + case 199: + return textSpanEndingAtNextToken(node, node.expression); + case 210: + return spanInNode(node.statement); + case 206: + case 205: + return textSpan(node.getChildAt(0), node.label); + case 202: + return spanInForStatement(node); + case 203: + return textSpanEndingAtNextToken(node, node.expression); + case 204: + return spanInInitializerOfForLike(node); + case 209: + return textSpanEndingAtNextToken(node, node.expression); + case 244: + case 245: + return spanInNode(node.statements[0]); + case 212: + return spanInBlock(node.tryBlock); + case 211: + return textSpan(node, node.expression); + case 230: + return textSpan(node, node.expression); + case 224: + return textSpan(node, node.moduleReference); + case 225: + return textSpan(node, node.moduleSpecifier); + case 231: + return textSpan(node, node.moduleSpecifier); + case 221: + if (ts.getModuleInstanceState(node) !== 1) { + return undefined; + } + case 217: + case 220: + case 250: + case 166: + return textSpan(node); + case 208: + return spanInNode(node.statement); + case 140: + return spanInNodeArray(node.parent.decorators); + case 164: + case 165: + return spanInBindingPattern(node); + case 218: + case 219: + return undefined; + case 23: + case 1: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 24: + return spanInPreviousNode(node); + case 15: + return spanInOpenBraceToken(node); + case 16: + return spanInCloseBraceToken(node); + case 20: + return spanInCloseBracketToken(node); + case 17: + return spanInOpenParenToken(node); + case 18: + return spanInCloseParenToken(node); + case 54: + return spanInColonToken(node); + case 27: + case 25: + return spanInGreaterThanOrLessThanToken(node); + case 104: + return spanInWhileKeyword(node); + case 80: + case 72: + case 85: + return spanInNextNode(node); + case 135: + return spanInOfKeyword(node); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + } + if ((node.kind === 69 || + node.kind == 188 || + node.kind === 248 || + node.kind === 249) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + return textSpan(node); + } + if (node.kind === 184) { + var binaryExpression = node; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); + } + if (binaryExpression.operatorToken.kind === 56 && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { + return textSpan(node); + } + if (binaryExpression.operatorToken.kind === 24) { + return spanInNode(binaryExpression.left); + } + } + if (ts.isExpression(node)) { + switch (node.parent.kind) { + case 200: + return spanInPreviousNode(node); + case 140: + return spanInNode(node.parent); + case 202: + case 204: + return textSpan(node); + case 184: + if (node.parent.operatorToken.kind === 24) { + return textSpan(node); + } + break; + case 177: + if (node.parent.body === node) { + return textSpan(node); + } + break; + } + } + if (node.parent.kind === 248 && + node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); + } + if (node.parent.kind === 174 && node.parent.type === node) { + return spanInNextNode(node.parent.type); + } + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); + } + if ((node.parent.kind === 214 || + node.parent.kind === 139)) { + var paramOrVarDecl = node.parent; + if (paramOrVarDecl.initializer === node || + paramOrVarDecl.type === node || + ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } + } + if (node.parent.kind === 184) { + var binaryExpression = node.parent; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && + (binaryExpression.right === node || + binaryExpression.operatorToken === node)) { + return spanInPreviousNode(node); + } + } + return spanInNode(node.parent); + } + } + function textSpanFromVariableDeclaration(variableDeclaration) { + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] === variableDeclaration) { + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + } + else { + return textSpan(variableDeclaration); + } + } + function spanInVariableDeclaration(variableDeclaration) { + if (variableDeclaration.parent.parent.kind === 203) { + return spanInNode(variableDeclaration.parent.parent); + } + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); + } + if (variableDeclaration.initializer || + (variableDeclaration.flags & 2) || + variableDeclaration.parent.parent.kind === 204) { + return textSpanFromVariableDeclaration(variableDeclaration); + } + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] !== variableDeclaration) { + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + } + } + function canHaveSpanInParameterDeclaration(parameter) { + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + !!(parameter.flags & 8) || !!(parameter.flags & 16); + } + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + return spanInBindingPattern(parameter.name); + } + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); + } + else { + var functionDeclaration = parameter.parent; + var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); + if (indexOfParameter) { + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + return spanInNode(functionDeclaration.body); + } + } + } + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return !!(functionDeclaration.flags & 2) || + (functionDeclaration.parent.kind === 217 && functionDeclaration.kind !== 145); + } + function spanInFunctionDeclaration(functionDeclaration) { + if (!functionDeclaration.body) { + return undefined; + } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + return textSpan(functionDeclaration); + } + return spanInNode(functionDeclaration.body); + } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); + } + return spanInNode(nodeForSpanInBlock); + } + function spanInBlock(block) { + switch (block.parent.kind) { + case 221: + if (ts.getModuleInstanceState(block.parent) !== 1) { + return undefined; + } + case 201: + case 199: + case 203: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + case 202: + case 204: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); + } + return spanInNode(block.statements[0]); + } + function spanInInitializerOfForLike(forLikeStaement) { + if (forLikeStaement.initializer.kind === 215) { + var variableDeclarationList = forLikeStaement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); + } + } + else { + return spanInNode(forLikeStaement.initializer); + } + } + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); + } + } + function spanInBindingPattern(bindingPattern) { + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + if (bindingPattern.parent.kind === 166) { + return textSpan(bindingPattern.parent); + } + return textSpanFromVariableDeclaration(bindingPattern.parent); + } + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 165 && node.kind !== 164); + var elements = node.kind === 167 ? + node.elements : + node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + return textSpan(node.parent.kind === 184 ? node.parent : node); + } + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 220: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 217: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 223: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); + } + return spanInNode(node.parent); + } + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 222: + if (ts.getModuleInstanceState(node.parent.parent) !== 1) { + return undefined; + } + case 220: + case 217: + return textSpan(node); + case 195: + if (ts.isFunctionBlock(node.parent)) { + return textSpan(node); + } + case 247: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 223: + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 164: + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); + } + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 165: + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + return spanInNode(node.parent); + } + } + function spanInOpenParenToken(node) { + if (node.parent.kind === 200 || + node.parent.kind === 171 || + node.parent.kind === 172) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 175) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + function spanInCloseParenToken(node) { + switch (node.parent.kind) { + case 176: + case 216: + case 177: + case 144: + case 143: + case 146: + case 147: + case 145: + case 201: + case 200: + case 202: + case 204: + case 171: + case 172: + case 175: + return spanInPreviousNode(node); + default: + return spanInNode(node.parent); + } + } + function spanInColonToken(node) { + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 248 || + node.parent.kind === 139) { + return spanInPreviousNode(node); + } + return spanInNode(node.parent); + } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 174) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 200) { + return textSpanEndingAtNextToken(node, node.parent.expression); + } + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 204) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + } + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile) { + var elements = []; + var collapseText = "..."; + function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { + if (hintSpanNode && startElement && endElement) { + var span = { + textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), + hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningSpanComments(commentSpan, autoCollapse) { + if (commentSpan) { + var span = { + textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningForLeadingCommentsForNode(n) { + var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); + if (comments) { + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var isFirstSingleLineComment = true; + var singleLineCommentCount = 0; + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var currentComment = comments_2[_i]; + if (currentComment.kind === 2) { + if (isFirstSingleLineComment) { + firstSingleLineCommentStart = currentComment.pos; + } + isFirstSingleLineComment = false; + lastSingleLineCommentEnd = currentComment.end; + singleLineCommentCount++; + } + else if (currentComment.kind === 3) { + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + addOutliningSpanComments(currentComment, false); + singleLineCommentCount = 0; + lastSingleLineCommentEnd = -1; + isFirstSingleLineComment = true; + } + } + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + } + } + function combineAndAddMultipleSingleLineComments(count, start, end) { + if (count > 1) { + var multipleSingleLineComments = { + pos: start, + end: end, + kind: 2 + }; + addOutliningSpanComments(multipleSingleLineComments, false); + } + } + function autoCollapse(node) { + return ts.isFunctionBlock(node) && node.parent.kind !== 177; + } + var depth = 0; + var maxDepth = 20; + function walk(n) { + if (depth > maxDepth) { + return; + } + if (ts.isDeclaration(n)) { + addOutliningForLeadingCommentsForNode(n); + } + switch (n.kind) { + case 195: + if (!ts.isFunctionBlock(n)) { + var parent_9 = n.parent; + var openBrace = ts.findChildOfKind(n, 15, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16, sourceFile); + if (parent_9.kind === 200 || + parent_9.kind === 203 || + parent_9.kind === 204 || + parent_9.kind === 202 || + parent_9.kind === 199 || + parent_9.kind === 201 || + parent_9.kind === 208 || + parent_9.kind === 247) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + if (parent_9.kind === 212) { + var tryStatement = parent_9; + if (tryStatement.tryBlock === n) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + else if (tryStatement.finallyBlock === n) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85, sourceFile); + if (finallyKeyword) { + addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); + break; + } + } + } + var span = ts.createTextSpanFromBounds(n.getStart(), n.end); + elements.push({ + textSpan: span, + hintSpan: span, + bannerText: collapseText, + autoCollapse: autoCollapse(n) + }); + break; + } + case 222: { + var openBrace = ts.findChildOfKind(n, 15, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16, sourceFile); + addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 217: + case 218: + case 220: + case 168: + case 223: { + var openBrace = ts.findChildOfKind(n, 15, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16, sourceFile); + addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 167: + var openBracket = ts.findChildOfKind(n, 19, sourceFile); + var closeBracket = ts.findChildOfKind(n, 20, sourceFile); + addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); + break; + } + depth++; + ts.forEachChild(n, walk); + depth--; + } + walk(sourceFile); + return elements; + } + OutliningElementsCollector.collectElements = collectElements; + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { + var patternMatcher = ts.createPatternMatcher(searchValue); + var rawItems = []; + var baseSensitivity = { sensitivity: "base" }; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + var nameToDeclarations = sourceFile.getNamedDeclarations(); + for (var name_32 in nameToDeclarations) { + var declarations = ts.getProperty(nameToDeclarations, name_32); + if (declarations) { + var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); + if (!matches) { + continue; + } + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + if (patternMatcher.patternContainsDots) { + var containers = getContainers(declaration); + if (!containers) { + return undefined; + } + matches = patternMatcher.getMatches(containers, name_32); + if (!matches) { + continue; + } + } + var fileName = sourceFile.fileName; + var matchKind = bestMatchKind(matches); + rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); + } + } + } + }); + rawItems.sort(compareNavigateToItems); + if (maxResultCount !== undefined) { + rawItems = rawItems.slice(0, maxResultCount); + } + var items = ts.map(rawItems, createNavigateToItem); + return items; + function allMatchesAreCaseSensitive(matches) { + ts.Debug.assert(matches.length > 0); + for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { + var match = matches_1[_i]; + if (!match.isCaseSensitive) { + return false; + } + } + return true; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } + } + return undefined; + } + function tryAddSingleDeclarationName(declaration, containers) { + if (declaration && declaration.name) { + var text = getTextOfIdentifierOrLiteral(declaration.name); + if (text !== undefined) { + containers.unshift(text); + } + else if (declaration.name.kind === 137) { + return tryAddComputedPropertyName(declaration.name.expression, containers, true); + } + else { + return false; + } + } + return true; + } + function tryAddComputedPropertyName(expression, containers, includeLastPortion) { + var text = getTextOfIdentifierOrLiteral(expression); + if (text !== undefined) { + if (includeLastPortion) { + containers.unshift(text); + } + return true; + } + if (expression.kind === 169) { + var propertyAccess = expression; + if (includeLastPortion) { + containers.unshift(propertyAccess.name.text); + } + return tryAddComputedPropertyName(propertyAccess.expression, containers, true); + } + return false; + } + function getContainers(declaration) { + var containers = []; + if (declaration.name.kind === 137) { + if (!tryAddComputedPropertyName(declaration.name.expression, containers, false)) { + return undefined; + } + } + declaration = ts.getContainerNode(declaration); + while (declaration) { + if (!tryAddSingleDeclarationName(declaration, containers)) { + return undefined; + } + declaration = ts.getContainerNode(declaration); + } + return containers; + } + function bestMatchKind(matches) { + ts.Debug.assert(matches.length > 0); + var bestMatchKind = ts.PatternMatchKind.camelCase; + for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { + var match = matches_2[_i]; + var kind = match.kind; + if (kind < bestMatchKind) { + bestMatchKind = kind; + } + } + return bestMatchKind; + } + function compareNavigateToItems(i1, i2) { + return i1.matchKind - i2.matchKind || + i1.name.localeCompare(i2.name, undefined, baseSensitivity) || + i1.name.localeCompare(i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), + containerName: container && container.name ? container.name.text : "", + containerKind: container && container.name ? ts.getNodeKind(container) : "" + }; + } + } + NavigateTo.getNavigateToItems = getNavigateToItems; + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var NavigationBar; + (function (NavigationBar) { + function getNavigationBarItems(sourceFile, compilerOptions) { + var hasGlobalNode = false; + return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); + function getIndent(node) { + var indent = hasGlobalNode ? 1 : 0; + var current = node.parent; + while (current) { + switch (current.kind) { + case 221: + do { + current = current.parent; + } while (current.kind === 221); + case 217: + case 220: + case 218: + case 216: + indent++; + } + current = current.parent; + } + return indent; + } + function getChildNodes(nodes) { + var childNodes = []; + function visit(node) { + switch (node.kind) { + case 196: + ts.forEach(node.declarationList.declarations, visit); + break; + case 164: + case 165: + ts.forEach(node.elements, visit); + break; + case 231: + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225: + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + childNodes.push(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227) { + childNodes.push(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + case 166: + case 214: + if (ts.isBindingPattern(node.name)) { + visit(node.name); + break; + } + case 217: + case 220: + case 218: + case 221: + case 216: + case 224: + case 229: + case 233: + childNodes.push(node); + break; + } + } + ts.forEach(nodes, visit); + return sortNodes(childNodes); + } + function getTopLevelNodes(node) { + var topLevelNodes = []; + topLevelNodes.push(node); + addTopLevelNodes(node.statements, topLevelNodes); + return topLevelNodes; + } + function sortNodes(nodes) { + return nodes.slice(0).sort(function (n1, n2) { + if (n1.name && n2.name) { + return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); + } + else if (n1.name) { + return 1; + } + else if (n2.name) { + return -1; + } + else { + return n1.kind - n2.kind; + } + }); + } + function addTopLevelNodes(nodes, topLevelNodes) { + nodes = sortNodes(nodes); + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + switch (node.kind) { + case 217: + case 220: + case 218: + topLevelNodes.push(node); + break; + case 221: + var moduleDeclaration = node; + topLevelNodes.push(node); + addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); + break; + case 216: + var functionDeclaration = node; + if (isTopLevelFunctionDeclaration(functionDeclaration)) { + topLevelNodes.push(node); + addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); + } + break; + } + } + } + function isTopLevelFunctionDeclaration(functionDeclaration) { + if (functionDeclaration.kind === 216) { + if (functionDeclaration.body && functionDeclaration.body.kind === 195) { + if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 && !isEmpty(s.name.text); })) { + return true; + } + if (!ts.isFunctionBlock(functionDeclaration.parent)) { + return true; + } + } + } + return false; + } + function getItemsWorker(nodes, createItem) { + var items = []; + var keyToItem = {}; + for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { + var child = nodes_5[_i]; + var item = createItem(child); + if (item !== undefined) { + if (item.text.length > 0) { + var key = item.text + "-" + item.kind + "-" + item.indent; + var itemWithSameName = keyToItem[key]; + if (itemWithSameName) { + merge(itemWithSameName, item); + } + else { + keyToItem[key] = item; + items.push(item); + } + } + } + } + return items; + } + function merge(target, source) { + ts.addRange(target.spans, source.spans); + if (source.childItems) { + if (!target.childItems) { + target.childItems = []; + } + outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { + var sourceChild = _a[_i]; + for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { + var targetChild = _c[_b]; + if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { + merge(targetChild, sourceChild); + continue outer; + } + } + target.childItems.push(sourceChild); + } + } + } + function createChildItem(node) { + switch (node.kind) { + case 139: + if (ts.isBindingPattern(node.name)) { + break; + } + if ((node.flags & 1022) === 0) { + return undefined; + } + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 144: + case 143: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); + case 146: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); + case 147: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); + case 150: + return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); + case 250: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 148: + return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); + case 149: + return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); + case 142: + case 141: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 216: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); + case 214: + case 166: + var variableDeclarationNode = void 0; + var name_33; + if (node.kind === 166) { + name_33 = node.name; + variableDeclarationNode = node; + while (variableDeclarationNode && variableDeclarationNode.kind !== 214) { + variableDeclarationNode = variableDeclarationNode.parent; + } + ts.Debug.assert(variableDeclarationNode !== undefined); + } + else { + ts.Debug.assert(!ts.isBindingPattern(node.name)); + variableDeclarationNode = node; + name_33 = node.name; + } + if (ts.isConst(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); + } + else if (ts.isLet(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); + } + else { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); + } + case 145: + return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); + case 233: + case 229: + case 224: + case 226: + case 227: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); + } + return undefined; + function createItem(node, name, scriptElementKind) { + return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); + } + } + function isEmpty(text) { + return !text || text.trim() === ""; + } + function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { + if (childItems === void 0) { childItems = []; } + if (indent === void 0) { indent = 0; } + if (isEmpty(text)) { + return undefined; + } + return { + text: text, + kind: kind, + kindModifiers: kindModifiers, + spans: spans, + childItems: childItems, + indent: indent, + bolded: false, + grayed: false + }; + } + function createTopLevelItem(node) { + switch (node.kind) { + case 251: + return createSourceFileItem(node); + case 217: + return createClassItem(node); + case 220: + return createEnumItem(node); + case 218: + return createIterfaceItem(node); + case 221: + return createModuleItem(node); + case 216: + return createFunctionItem(node); + } + return undefined; + function getModuleName(moduleDeclaration) { + if (ts.isAmbientModule(moduleDeclaration)) { + return getTextOfNode(moduleDeclaration.name); + } + var result = []; + result.push(moduleDeclaration.name.text); + while (moduleDeclaration.body && moduleDeclaration.body.kind === 221) { + moduleDeclaration = moduleDeclaration.body; + result.push(moduleDeclaration.name.text); + } + return result.join("."); + } + function createModuleItem(node) { + var moduleName = getModuleName(node); + var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); + return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createFunctionItem(node) { + if (node.body && node.body.kind === 195) { + var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); + return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + return undefined; + } + function createSourceFileItem(node) { + var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); + if (childItems === undefined || childItems.length === 0) { + return undefined; + } + hasGlobalNode = true; + var rootName = ts.isExternalModule(node) + ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" + : ""; + return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); + } + function createClassItem(node) { + var childItems; + if (node.members) { + var constructor = ts.forEach(node.members, function (member) { + return member.kind === 145 && member; + }); + var nodes = removeDynamicallyNamedProperties(node); + if (constructor) { + ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); + } + childItems = getItemsWorker(sortNodes(nodes), createChildItem); + } + var nodeName = !node.name ? "default" : node.name.text; + return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createEnumItem(node) { + var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createIterfaceItem(node) { + var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + } + function removeComputedProperties(node) { + return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137; }); + } + function removeDynamicallyNamedProperties(node) { + return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); + } + function getInnermostModule(node) { + while (node.body.kind === 221) { + node = node.body; + } + return node; + } + function getNodeSpan(node) { + return node.kind === 251 + ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) + : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); + } + function getTextOfNode(node) { + return ts.getTextOfNodeFromSourceText(sourceFile.text, node); + } + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); + var PatternMatchKind = ts.PatternMatchKind; + function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { + return { + kind: kind, + punctuationStripped: punctuationStripped, + isCaseSensitive: isCaseSensitive, + camelCaseWeight: camelCaseWeight + }; + } + function createPatternMatcher(pattern) { + var stringToWordSpans = {}; + pattern = pattern.trim(); + var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); + var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); + return { + getMatches: getMatches, + getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + function skipMatch(candidate) { + return invalidPattern || !candidate; + } + function getMatchesForLastSegmentOfPattern(candidate) { + if (skipMatch(candidate)) { + return undefined; + } + return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + } + function getMatches(candidateContainers, candidate) { + if (skipMatch(candidate)) { + return undefined; + } + var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + if (!candidateMatch) { + return undefined; + } + candidateContainers = candidateContainers || []; + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + return undefined; + } + var totalMatch = candidateMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + var segment = dotSeparatedSegments[i]; + var containerName = candidateContainers[j]; + var containerMatch = matchSegment(containerName, segment); + if (!containerMatch) { + return undefined; + } + ts.addRange(totalMatch, containerMatch); + } + return totalMatch; + } + function getWordSpans(word) { + if (!ts.hasProperty(stringToWordSpans, word)) { + stringToWordSpans[word] = breakIntoWordSpans(word); + } + return stringToWordSpans[word]; + } + function matchTextChunk(candidate, chunk, punctuationStripped) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + if (chunk.text.length === candidate.length) { + return createPatternMatch(PatternMatchKind.exact, punctuationStripped, candidate === chunk.text); + } + else { + return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, startsWith(candidate, chunk.text)); + } + } + var isLowercase = chunk.isLowerCase; + if (isLowercase) { + if (index > 0) { + var wordSpans = getWordSpans(candidate); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span = wordSpans_1[_i]; + if (partStartsWith(candidate, span, chunk.text, true)) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, partStartsWith(candidate, span, chunk.text, false)); + } + } + } + } + else { + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, true); + } + } + if (!isLowercase) { + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate); + var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, false); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, true, camelCaseWeight); + } + camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, true); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, false, camelCaseWeight); + } + } + } + if (isLowercase) { + if (chunk.text.length < candidate.length) { + if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, false); + } + } + } + return undefined; + } + function containsSpaceOrAsterisk(text) { + for (var i = 0; i < text.length; i++) { + var ch = text.charCodeAt(i); + if (ch === 32 || ch === 42) { + return true; + } + } + return false; + } + function matchSegment(candidate, segment) { + if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { + var match = matchTextChunk(candidate, segment.totalTextChunk, false); + if (match) { + return [match]; + } + } + var subWordTextChunks = segment.subWordTextChunks; + var matches = undefined; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + var result = matchTextChunk(candidate, subWordTextChunk, true); + if (!result) { + return undefined; + } + matches = matches || []; + matches.push(result); + } + return matches; + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + var patternPartStart = patternSpan ? patternSpan.start : 0; + var patternPartLength = patternSpan ? patternSpan.length : pattern.length; + if (patternPartLength > candidateSpan.length) { + return false; + } + if (ignoreCase) { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (toLowerCase(ch1) !== toLowerCase(ch2)) { + return false; + } + } + } + else { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (ch1 !== ch2) { + return false; + } + } + } + return true; + } + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch = undefined; + var contiguous = undefined; + while (true) { + if (currentChunkSpan === chunkCharacterSpans.length) { + var weight = 0; + if (contiguous) { + weight += 1; + } + if (firstMatch === 0) { + weight += 2; + } + return weight; + } + else if (currentCandidate === candidateParts.length) { + return undefined; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; + } + } + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; + } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); + } + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; + } + currentCandidate++; + } + } + } + ts.createPatternMatcher = createPatternMatcher; + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + function segmentIsInvalid(segment) { + return segment.subWordTextChunks.length === 0; + } + function isUpperCaseLetter(ch) { + if (ch >= 65 && ch <= 90) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 2)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + if (ch >= 97 && ch <= 122) { + return true; + } + if (ch < 127 || !ts.isUnicodeIdentifierStart(ch, 2)) { + return false; + } + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + function startsWith(string, search) { + for (var i = 0, n = search.length; i < n; i++) { + if (string.charCodeAt(i) !== search.charCodeAt(i)) { + return false; + } + } + return true; + } + function indexOfIgnoringCase(string, value) { + for (var i = 0, n = string.length - value.length; i <= n; i++) { + if (startsWithIgnoringCase(string, value, i)) { + return i; + } + } + return -1; + } + function startsWithIgnoringCase(string, value, start) { + for (var i = 0, n = value.length; i < n; i++) { + var ch1 = toLowerCase(string.charCodeAt(i + start)); + var ch2 = value.charCodeAt(i); + if (ch1 !== ch2) { + return false; + } + } + return true; + } + function toLowerCase(ch) { + if (ch >= 65 && ch <= 90) { + return 97 + (ch - 65); + } + if (ch < 127) { + return ch; + } + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + return ch >= 48 && ch <= 57; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 || ch === 36; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; + } + wordLength++; + } + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } + } + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1, n = identifier.length; i < n; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); + } + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33: + case 34: + case 35: + case 37: + case 38: + case 39: + case 40: + case 41: + case 42: + case 44: + case 45: + case 46: + case 47: + case 58: + case 59: + case 63: + case 64: + case 91: + case 92: + case 93: + case 95: + case 123: + case 125: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + for (var i = start; i < end; i++) { + var ch = identifier.charCodeAt(i); + if (!charIsPunctuation(ch) || ch === 95 || ch === 36) { + return false; + } + } + return true; + } + function transitionFromUpperToLower(identifier, word, index, wordStart) { + if (word) { + if (index !== wordStart && + index + 1 < identifier.length) { + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); + if (currentIsUpper && nextIsLower) { + for (var i = wordStart; i < index; i++) { + if (!isUpperCaseLetter(identifier.charCodeAt(i))) { + return false; + } + } + return true; + } + } + } + return false; + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var transition = word + ? (currentIsUpper && !lastIsUpper) + : currentIsUpper; + return transition; + } +})(ts || (ts = {})); +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + var emptyArray = []; + function getSignatureHelpItems(program, sourceFile, position, cancellationToken) { + var typeChecker = program.getTypeChecker(); + var startingToken = ts.findTokenOnLeftOfPosition(sourceFile, position); + if (!startingToken) { + return undefined; + } + var argumentInfo = getContainingArgumentInfo(startingToken); + cancellationToken.throwIfCancellationRequested(); + if (!argumentInfo) { + return undefined; + } + var call = argumentInfo.invocation; + var candidates = []; + var resolvedSignature = typeChecker.getResolvedSignature(call, candidates); + cancellationToken.throwIfCancellationRequested(); + if (!candidates.length) { + if (ts.isSourceFileJavaScript(sourceFile)) { + return createJavaScriptSignatureHelpItems(argumentInfo); + } + return undefined; + } + return createSignatureHelpItems(candidates, resolvedSignature, argumentInfo); + function createJavaScriptSignatureHelpItems(argumentInfo) { + if (argumentInfo.invocation.kind !== 171) { + return undefined; + } + var callExpression = argumentInfo.invocation; + var expression = callExpression.expression; + var name = expression.kind === 69 + ? expression + : expression.kind === 169 + ? expression.name + : undefined; + if (!name || !name.text) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + for (var _i = 0, _a = program.getSourceFiles(); _i < _a.length; _i++) { + var sourceFile_1 = _a[_i]; + var nameToDeclarations = sourceFile_1.getNamedDeclarations(); + var declarations = ts.getProperty(nameToDeclarations, name.text); + if (declarations) { + for (var _b = 0, declarations_7 = declarations; _b < declarations_7.length; _b++) { + var declaration = declarations_7[_b]; + var symbol = declaration.symbol; + if (symbol) { + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, declaration); + if (type) { + var callSignatures = type.getCallSignatures(); + if (callSignatures && callSignatures.length) { + return createSignatureHelpItems(callSignatures, callSignatures[0], argumentInfo); + } + } + } + } + } + } + } + function getImmediatelyContainingArgumentInfo(node) { + if (node.parent.kind === 171 || node.parent.kind === 172) { + var callExpression = node.parent; + if (node.kind === 25 || + node.kind === 17) { + var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + ts.Debug.assert(list !== undefined); + return { + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: 0, + argumentCount: getArgumentCount(list) + }; + } + var listItemInfo = ts.findListItemInfo(node); + if (listItemInfo) { + var list = listItemInfo.list; + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + var argumentIndex = getArgumentIndex(list, node); + var argumentCount = getArgumentCount(list); + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: isTypeArgList ? 0 : 1, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + } + else if (node.kind === 11 && node.parent.kind === 173) { + if (ts.isInsideTemplateLiteral(node, position)) { + return getArgumentListInfoForTemplate(node.parent, 0); + } + } + else if (node.kind === 12 && node.parent.parent.kind === 173) { + var templateExpression = node.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186); + var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + else if (node.parent.kind === 193 && node.parent.parent.parent.kind === 173) { + var templateSpan = node.parent; + var templateExpression = templateSpan.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186); + if (node.kind === 14 && !ts.isInsideTemplateLiteral(node, position)) { + return undefined; + } + var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + return undefined; + } + function getArgumentIndex(argumentsList, node) { + var argumentIndex = 0; + var listChildren = argumentsList.getChildren(); + for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { + var child = listChildren_1[_i]; + if (child === node) { + break; + } + if (child.kind !== 24) { + argumentIndex++; + } + } + return argumentIndex; + } + function getArgumentCount(argumentsList) { + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24; }); + if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24) { + argumentCount++; + } + return argumentCount; + } + function getArgumentIndexForTemplatePiece(spanIndex, node) { + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralKind(node.kind)) { + if (ts.isInsideTemplateLiteral(node, position)) { + return 0; + } + return spanIndex + 2; + } + return spanIndex + 1; + } + function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { + var argumentCount = tagExpression.template.kind === 11 + ? 1 + : tagExpression.template.templateSpans.length + 1; + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: 2, + invocation: tagExpression, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + function getApplicableSpanForArguments(argumentsList) { + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + if (template.kind === 186) { + var lastSpan = ts.lastOrUndefined(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, false); + } + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node) { + for (var n = node; n.kind !== 251; n = n.parent) { + if (ts.isFunctionBlock(n)) { + return undefined; + } + if (n.pos < n.parent.pos || n.end > n.parent.end) { + ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); + } + var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); + if (argumentInfo_1) { + return argumentInfo_1; + } + } + return undefined; + } + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + function selectBestInvalidOverloadIndex(candidates, argumentCount) { + var maxParamsSignatureIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { + return i; + } + if (candidate.parameters.length > maxParams) { + maxParams = candidate.parameters.length; + maxParamsSignatureIndex = i; + } + } + return maxParamsSignatureIndex; + } + function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { + var applicableSpan = argumentListInfo.argumentsSpan; + var isTypeParameterList = argumentListInfo.kind === 0; + var invocation = argumentListInfo.invocation; + var callTarget = ts.getInvokedExpression(invocation); + var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); + var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, undefined, undefined); + var items = ts.map(candidates, function (candidateSignature) { + var signatureHelpParameters; + var prefixDisplayParts = []; + var suffixDisplayParts = []; + if (callTargetDisplayParts) { + ts.addRange(prefixDisplayParts, callTargetDisplayParts); + } + if (isTypeParameterList) { + prefixDisplayParts.push(ts.punctuationPart(25)); + var typeParameters = candidateSignature.typeParameters; + signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(27)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); + }); + ts.addRange(suffixDisplayParts, parameterParts); + } + else { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); + }); + ts.addRange(prefixDisplayParts, typeParameterParts); + prefixDisplayParts.push(ts.punctuationPart(17)); + var parameters = candidateSignature.parameters; + signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(18)); + } + var returnTypeParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); + }); + ts.addRange(suffixDisplayParts, returnTypeParts); + return { + isVariadic: candidateSignature.hasRestParameter, + prefixDisplayParts: prefixDisplayParts, + suffixDisplayParts: suffixDisplayParts, + separatorDisplayParts: [ts.punctuationPart(24), ts.spacePart()], + parameters: signatureHelpParameters, + documentation: candidateSignature.getDocumentationComment() + }; + }); + var argumentIndex = argumentListInfo.argumentIndex; + var argumentCount = argumentListInfo.argumentCount; + var selectedItemIndex = candidates.indexOf(bestSignature); + if (selectedItemIndex < 0) { + selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); + } + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + items: items, + applicableSpan: applicableSpan, + selectedItemIndex: selectedItemIndex, + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + function createSignatureHelpParameterForParameter(parameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); + }); + return { + name: parameter.name, + documentation: parameter.getDocumentationComment(), + displayParts: displayParts, + isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) + }; + } + function createSignatureHelpParameterForTypeParameter(typeParameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); + }); + return { + name: typeParameter.symbol.name, + documentation: emptyArray, + displayParts: displayParts, + isOptional: false + }; + } + } + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + function getEndLinePosition(line, sourceFile) { + ts.Debug.assert(line >= 0); + var lineStarts = sourceFile.getLineStarts(); + var lineIndex = line; + if (lineIndex + 1 === lineStarts.length) { + return sourceFile.text.length - 1; + } + else { + var start = lineStarts[lineIndex]; + var pos = lineStarts[lineIndex + 1] - 1; + ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); + while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos--; + } + return pos; + } + } + ts.getEndLinePosition = getEndLinePosition; + function getLineStartPositionForPosition(position, sourceFile) { + var lineStarts = sourceFile.getLineStarts(); + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + return lineStarts[line]; + } + ts.getLineStartPositionForPosition = getLineStartPositionForPosition; + function rangeContainsRange(r1, r2) { + return startEndContainsRange(r1.pos, r1.end, r2); + } + ts.rangeContainsRange = rangeContainsRange; + function startEndContainsRange(start, end, range) { + return start <= range.pos && end >= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + function positionBelongsToNode(candidate, position, sourceFile) { + return candidate.end > position || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 217: + case 218: + case 220: + case 168: + case 164: + case 156: + case 195: + case 222: + case 223: + return nodeEndsWith(n, 16, sourceFile); + case 247: + return isCompletedNode(n.block, sourceFile); + case 172: + if (!n.arguments) { + return true; + } + case 171: + case 175: + case 161: + return nodeEndsWith(n, 18, sourceFile); + case 153: + case 154: + return isCompletedNode(n.type, sourceFile); + case 145: + case 146: + case 147: + case 216: + case 176: + case 144: + case 143: + case 149: + case 148: + case 177: + if (n.body) { + return isCompletedNode(n.body, sourceFile); + } + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + return hasChildOfKind(n, 18, sourceFile); + case 221: + return n.body && isCompletedNode(n.body, sourceFile); + case 199: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); + } + return isCompletedNode(n.thenStatement, sourceFile); + case 198: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 23); + case 167: + case 165: + case 170: + case 137: + case 158: + return nodeEndsWith(n, 20, sourceFile); + case 150: + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + return hasChildOfKind(n, 20, sourceFile); + case 244: + case 245: + return false; + case 202: + case 203: + case 204: + case 201: + return isCompletedNode(n.statement, sourceFile); + case 200: + var hasWhileKeyword = findChildOfKind(n, 104, sourceFile); + if (hasWhileKeyword) { + return nodeEndsWith(n, 18, sourceFile); + } + return isCompletedNode(n.statement, sourceFile); + case 155: + return isCompletedNode(n.exprName, sourceFile); + case 179: + case 178: + case 180: + case 187: + case 188: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 173: + return isCompletedNode(n.template, sourceFile); + case 186: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 193: + return ts.nodeIsPresent(n.literal); + case 182: + return isCompletedNode(n.operand, sourceFile); + case 184: + return isCompletedNode(n.right, sourceFile); + case 185: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; + } + } + ts.isCompletedNode = isCompletedNode; + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var last = ts.lastOrUndefined(children); + if (last.kind === expectedLastToken) { + return true; + } + else if (last.kind === 23 && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; + } + } + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + if (!list) { + return undefined; + } + var children = list.getChildren(); + var listItemIndex = ts.indexOf(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { + if (c.kind === 274 && c.pos <= node.pos && c.end >= node.end) { + return c; + } + }); + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + function getTouchingWord(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); + } + ts.getTouchingWord = getTouchingWord; + function getTouchingPropertyName(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { + return getTokenAtPositionWorker(sourceFile, position, false, includeItemAtEndPosition); + } + ts.getTouchingToken = getTouchingToken; + function getTokenAtPosition(sourceFile, position) { + return getTokenAtPositionWorker(sourceFile, position, true, undefined); + } + ts.getTokenAtPosition = getTokenAtPosition; + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { + var current = sourceFile; + outer: while (true) { + if (isToken(current)) { + return current; + } + for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { + var child = current.getChildAt(i); + var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); + if (start <= position) { + var end = child.getEnd(); + if (position < end || (position === end && child.kind === 1)) { + current = child; + continue outer; + } + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, child); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; + } + } + } + } + return current; + } + } + function findTokenOnLeftOfPosition(file, position) { + var tokenAtPosition = getTokenAtPosition(file, position); + if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; + } + return findPrecedingToken(position, file); + } + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent) { + return find(parent); + function find(n) { + if (isToken(n) && n.pos === previousToken.end) { + return n; + } + var children = n.getChildren(); + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + var shouldDiveInChildNode = (child.pos <= previousToken.pos && child.end > previousToken.end) || + (child.pos === previousToken.end); + if (shouldDiveInChildNode && nodeHasTokens(child)) { + return find(child); + } + } + return undefined; + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode) { + return find(startNode || sourceFile); + function findRightmostToken(n) { + if (isToken(n) || n.kind === 239) { + return n; + } + var children = n.getChildren(); + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + function find(n) { + if (isToken(n) || n.kind === 239) { + return n; + } + var children = n.getChildren(); + for (var i = 0, len = children.length; i < len; i++) { + var child = children[i]; + if (position < child.end && (nodeHasTokens(child) || child.kind === 239)) { + var start = child.getStart(sourceFile); + var lookInPreviousChild = (start >= position) || + (child.kind === 239 && start === child.end); + if (lookInPreviousChild) { + var candidate = findRightmostChildNodeWithTokens(children, i); + return candidate && findRightmostToken(candidate); + } + else { + return find(child); + } + } + } + ts.Debug.assert(startNode !== undefined || n.kind === 251); + if (children.length) { + var candidate = findRightmostChildNodeWithTokens(children, children.length); + return candidate && findRightmostToken(candidate); + } + } + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { + for (var i = exclusiveStartPosition - 1; i >= 0; --i) { + if (nodeHasTokens(children[i])) { + return children[i]; + } + } + } + } + ts.findPrecedingToken = findPrecedingToken; + function isInString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return token && (token.kind === 9 || token.kind === 163) && position > token.getStart(); + } + ts.isInString = isInString; + function isInComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, undefined); + } + ts.isInComment = isInComment; + function isInCommentHelper(sourceFile, position, predicate) { + var token = getTokenAtPosition(sourceFile, position); + if (token && position <= token.getStart()) { + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return predicate ? + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end) && + predicate(c); }) : + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 ? position <= c.end : position < c.end); }); + } + return false; + } + ts.isInCommentHelper = isInCommentHelper; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return ts.forEach(commentRanges, jsDocPrefix); + function jsDocPrefix(c) { + var text = sourceFile.text; + return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; + } + } + ts.hasDocComment = hasDocComment; + function getJsDocTagAtPosition(sourceFile, position) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (isToken(node)) { + switch (node.kind) { + case 102: + case 108: + case 74: + node = node.parent === undefined ? undefined : node.parent.parent; + break; + default: + node = node.parent; + break; + } + } + if (node) { + var jsDocComment = node.jsDocComment; + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos <= position && position <= tag.end) { + return tag; + } + } + } + } + return undefined; + } + ts.getJsDocTagAtPosition = getJsDocTagAtPosition; + function nodeHasTokens(n) { + return n.getWidth() !== 0; + } + function getNodeModifiers(node) { + var flags = ts.getCombinedNodeFlags(node); + var result = []; + if (flags & 16) + result.push(ts.ScriptElementKindModifier.privateMemberModifier); + if (flags & 32) + result.push(ts.ScriptElementKindModifier.protectedMemberModifier); + if (flags & 8) + result.push(ts.ScriptElementKindModifier.publicMemberModifier); + if (flags & 64) + result.push(ts.ScriptElementKindModifier.staticModifier); + if (flags & 128) + result.push(ts.ScriptElementKindModifier.abstractModifier); + if (flags & 2) + result.push(ts.ScriptElementKindModifier.exportedModifier); + if (ts.isInAmbientContext(node)) + result.push(ts.ScriptElementKindModifier.ambientModifier); + return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 152 || node.kind === 171) { + return node.typeArguments; + } + if (ts.isFunctionLike(node) || node.kind === 217 || node.kind === 218) { + return node.typeParameters; + } + return undefined; + } + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isToken(n) { + return n.kind >= 0 && n.kind <= 135; + } + ts.isToken = isToken; + function isWord(kind) { + return kind === 69 || ts.isKeyword(kind); + } + ts.isWord = isWord; + function isPropertyName(kind) { + return kind === 9 || kind === 8 || isWord(kind); + } + function isComment(kind) { + return kind === 2 || kind === 3; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 9 + || kind === 163 + || kind === 10 + || ts.isTemplateLiteralKind(kind)) { + return true; + } + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 15 <= kind && kind <= 68; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 112: + case 110: + case 111: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function compareDataObjects(dst, src) { + for (var e in dst) { + if (typeof dst[e] === "object") { + if (!compareDataObjects(dst[e], src[e])) { + return false; + } + } + else if (typeof dst[e] !== "function") { + if (dst[e] !== src[e]) { + return false; + } + } + } + return true; + } + ts.compareDataObjects = compareDataObjects; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 167 || + node.kind === 168) { + if (node.parent.kind === 184 && + node.parent.left === node && + node.parent.operatorToken.kind === 56) { + return true; + } + if (node.parent.kind === 204 && + node.parent.initializer === node) { + return true; + } + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; +})(ts || (ts = {})); +var ts; +(function (ts) { + function isFirstDeclarationOfSymbolParameter(symbol) { + return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139; + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var displayParts; + var lineStart; + var indent; + resetWriter(); + return { + displayParts: function () { return displayParts; }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + function writeIndent() { + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + } + lineStart = false; + } + } + function writeKind(text, kind) { + writeIndent(); + displayParts.push(displayPart(text, kind)); + } + function writeSymbol(text, symbol) { + writeIndent(); + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol), symbol); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; + } + else if (flags & 4) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 32768) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 65536) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 8) { + return ts.SymbolDisplayPartKind.enumMemberName; + } + else if (flags & 16) { + return ts.SymbolDisplayPartKind.functionName; + } + else if (flags & 32) { + return ts.SymbolDisplayPartKind.className; + } + else if (flags & 64) { + return ts.SymbolDisplayPartKind.interfaceName; + } + else if (flags & 384) { + return ts.SymbolDisplayPartKind.enumName; + } + else if (flags & 1536) { + return ts.SymbolDisplayPartKind.moduleName; + } + else if (flags & 8192) { + return ts.SymbolDisplayPartKind.methodName; + } + else if (flags & 262144) { + return ts.SymbolDisplayPartKind.typeParameterName; + } + else if (flags & 524288) { + return ts.SymbolDisplayPartKind.aliasName; + } + else if (flags & 8388608) { + return ts.SymbolDisplayPartKind.aliasName; + } + return ts.SymbolDisplayPartKind.text; + } + } + ts.symbolPart = symbolPart; + function displayPart(text, kind, symbol) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[kind] + }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + var carriageReturnLineFeed = "\r\n"; + function getNewLineOrDefaultFromHost(host) { + return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + writeDisplayParts(displayPartWriter); + var result = displayPartWriter.displayParts(); + displayPartWriter.clear(); + return result; + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + return mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function getDeclaredName(typeChecker, symbol, location) { + if (isImportOrExportSpecifierName(location)) { + return location.getText(); + } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); + return name; + } + ts.getDeclaredName = getDeclaredName; + function isImportOrExportSpecifierName(location) { + return location.parent && + (location.parent.kind === 229 || location.parent.kind === 233) && + location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + function stripQuotes(name) { + var length = name.length; + if (length >= 2 && + name.charCodeAt(0) === name.charCodeAt(length - 1) && + (name.charCodeAt(0) === 34 || name.charCodeAt(0) === 39)) { + return name.substring(1, length - 1); + } + ; + return name; + } + ts.stripQuotes = stripQuotes; +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var standardScanner = ts.createScanner(2, false, 0); + var jsxScanner = ts.createScanner(2, false, 1); + var scanner; + function getFormattingScanner(sourceFile, startPos, endPos) { + ts.Debug.assert(scanner === undefined); + scanner = sourceFile.languageVariant === 1 ? jsxScanner : standardScanner; + scanner.setText(sourceFile.text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + return { + advance: advance, + readTokenInfo: readTokenInfo, + isOnToken: isOnToken, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + close: function () { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + scanner.setText(undefined); + scanner = undefined; + } + }; + function advance() { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + if (trailingTrivia) { + ts.Debug.assert(trailingTrivia.length !== 0); + wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4; + } + else { + wasNewLine = false; + } + } + leadingTrivia = undefined; + trailingTrivia = undefined; + if (!isStarted) { + scanner.scan(); + } + var t; + var pos = scanner.getStartPos(); + while (pos < endPos) { + var t_1 = scanner.getToken(); + if (!ts.isTrivia(t_1)) { + break; + } + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t_1 + }; + pos = scanner.getStartPos(); + if (!leadingTrivia) { + leadingTrivia = []; + } + leadingTrivia.push(item); + } + savedPos = scanner.getStartPos(); + } + function shouldRescanGreaterThanToken(node) { + if (node) { + switch (node.kind) { + case 29: + case 64: + case 65: + case 45: + case 44: + return true; + } + } + return false; + } + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 241: + case 238: + case 240: + case 237: + return node.kind === 69; + } + } + return false; + } + function shouldRescanSlashToken(container) { + return container.kind === 10; + } + function shouldRescanTemplateToken(container) { + return container.kind === 13 || + container.kind === 14; + } + function startsWithSlashToken(t) { + return t === 39 || t === 61; + } + function readTokenInfo(n) { + ts.Debug.assert(scanner !== undefined); + if (!isOnToken()) { + return { + leadingTrivia: leadingTrivia, + trailingTrivia: undefined, + token: undefined + }; + } + var expectedScanAction = shouldRescanGreaterThanToken(n) + ? 1 + : shouldRescanSlashToken(n) + ? 2 + : shouldRescanTemplateToken(n) + ? 3 + : shouldRescanJsxIdentifier(n) + ? 4 + : 0; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + return fixTokenKind(lastTokenInfo, n); + } + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + scanner.setTextPos(savedPos); + scanner.scan(); + } + var currentToken = scanner.getToken(); + if (expectedScanAction === 1 && currentToken === 27) { + currentToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 1; + } + else if (expectedScanAction === 2 && startsWithSlashToken(currentToken)) { + currentToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 2; + } + else if (expectedScanAction === 3 && currentToken === 16) { + currentToken = scanner.reScanTemplateToken(); + lastScanAction = 3; + } + else if (expectedScanAction === 4 && currentToken === 69) { + currentToken = scanner.scanJsxIdentifier(); + lastScanAction = 4; + } + else { + lastScanAction = 0; + } + var token = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (trailingTrivia) { + trailingTrivia = undefined; + } + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4) { + scanner.scan(); + break; + } + } + lastTokenInfo = { + leadingTrivia: leadingTrivia, + trailingTrivia: trailingTrivia, + token: token + }; + return fixTokenKind(lastTokenInfo, n); + } + function isOnToken() { + ts.Debug.assert(scanner !== undefined); + var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); + var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); + return startPos < endPos && current !== 1 && !ts.isTrivia(current); + } + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + } + formatting.getFormattingScanner = getFormattingScanner; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var FormattingContext = (function () { + function FormattingContext(sourceFile, formattingRequestKind) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; + } + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); + ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); + ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); + ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); + ts.Debug.assert(commonParent !== undefined, "commonParent is null"); + this.currentTokenSpan = currentRange; + this.currentTokenParent = currentTokenParent; + this.nextTokenSpan = nextRange; + this.nextTokenParent = nextTokenParent; + this.contextNode = commonParent; + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; + }; + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + return this.contextNodeAllOnSameLine; + }; + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); + } + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + } + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 15, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 16, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; + } + return false; + }; + return FormattingContext; + }()); + formatting.FormattingContext = FormattingContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rule = (function () { + function Rule(Descriptor, Operation, Flag) { + if (Flag === void 0) { Flag = 0; } + this.Descriptor = Descriptor; + this.Operation = Operation; + this.Flag = Flag; + } + Rule.prototype.toString = function () { + return "[desc=" + this.Descriptor + "," + + "operation=" + this.Operation + "," + + "flag=" + this.Flag + "]"; + }; + return Rule; + }()); + formatting.Rule = Rule; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleDescriptor = (function () { + function RuleDescriptor(LeftTokenRange, RightTokenRange) { + this.LeftTokenRange = LeftTokenRange; + this.RightTokenRange = RightTokenRange; + } + RuleDescriptor.prototype.toString = function () { + return "[leftRange=" + this.LeftTokenRange + "," + + "rightRange=" + this.RightTokenRange + "]"; + }; + RuleDescriptor.create1 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create2 = function (left, right) { + return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create3 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); + }; + RuleDescriptor.create4 = function (left, right) { + return new RuleDescriptor(left, right); + }; + return RuleDescriptor; + }()); + formatting.RuleDescriptor = RuleDescriptor; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperation = (function () { + function RuleOperation() { + this.Context = null; + this.Action = null; + } + RuleOperation.prototype.toString = function () { + return "[context=" + this.Context + "," + + "action=" + this.Action + "]"; + }; + RuleOperation.create1 = function (action) { + return RuleOperation.create2(formatting.RuleOperationContext.Any, action); + }; + RuleOperation.create2 = function (context, action) { + var result = new RuleOperation(); + result.Context = context; + result.Action = action; + return result; + }; + return RuleOperation; + }()); + formatting.RuleOperation = RuleOperation; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperationContext = (function () { + function RuleOperationContext() { + var funcs = []; + for (var _i = 0; _i < arguments.length; _i++) { + funcs[_i - 0] = arguments[_i]; + } + this.customContextChecks = funcs; + } + RuleOperationContext.prototype.IsAny = function () { + return this === RuleOperationContext.Any; + }; + RuleOperationContext.prototype.InContext = function (context) { + if (this.IsAny()) { + return true; + } + for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { + var check = _a[_i]; + if (!check(context)) { + return false; + } + } + return true; + }; + RuleOperationContext.Any = new RuleOperationContext(); + return RuleOperationContext; + }()); + formatting.RuleOperationContext = RuleOperationContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rules = (function () { + function Rules() { + this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1)); + this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1)); + this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2)); + this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2)); + this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2)); + this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16, 80), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16, 104), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16, formatting.Shared.TokenRange.FromTokens([18, 20, 24, 23])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8)); + this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; + this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69, 3, 73]); + this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18, 3, 79, 100, 85, 80]); + this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2), 1); + this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2)); + this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8)); + this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4)); + this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35, 35), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35, 41), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36, 36), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36, 42), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102, 98, 92, 78, 94, 101, 119]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108, 74]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2)); + this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8)); + this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8)); + this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2)); + this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94, 23), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18, 79, 80, 71]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2)); + this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100, 85]), 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123, 129]), 69), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125, 127]), 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115, 73, 122, 77, 81, 82, 83, 123, 106, 89, 107, 125, 126, 110, 112, 111, 129, 113, 132]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83, 106])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2)); + this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22, 69), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53, formatting.Shared.TokenRange.FromTokens([18, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8)); + this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18, 25), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27, formatting.Shared.TokenRange.FromTokens([17, 19, 27, 24])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8)); + this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8)); + this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15, 16), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8)); + this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115, 69, 82, 77, 73, 113, 112, 110, 111, 123, 129, 19, 37])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2)); + this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8)); + this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37, formatting.Shared.TokenRange.FromTokens([69, 17])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2)); + this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114, 37), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8)); + this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114, 37]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2)); + this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2)); + this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118, 87), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69, formatting.Shared.TokenRange.FromTokens([11, 12])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.HighPriorityCommonRules = [ + this.IgnoreBeforeComment, this.IgnoreAfterLineComment, + this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, + this.NoSpaceAfterQuestionMark, + this.NoSpaceBeforeDot, this.NoSpaceAfterDot, + this.NoSpaceAfterUnaryPrefixOperator, + this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, + this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, + this.SpaceAfterPostincrementWhenFollowedByAdd, + this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, + this.SpaceAfterPostdecrementWhenFollowedBySubtract, + this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, + this.NoSpaceAfterCloseBrace, + this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, + this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, + this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, + this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, + this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, + this.NoSpaceBetweenReturnAndSemicolon, + this.SpaceAfterCertainKeywords, + this.SpaceAfterLetConstInVariableDeclaration, + this.NoSpaceBeforeOpenParenInFuncCall, + this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, + this.SpaceAfterVoidOperator, + this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, + this.NoSpaceBetweenTagAndTemplateString, + this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, + this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, + this.SpaceAfterModuleName, + this.SpaceBeforeArrow, this.SpaceAfterArrow, + this.NoSpaceAfterEllipsis, + this.NoSpaceAfterOptionalParameters, + this.NoSpaceBetweenEmptyInterfaceBraceBrackets, + this.NoSpaceBeforeOpenAngularBracket, + this.NoSpaceBetweenCloseParenAndAngularBracket, + this.NoSpaceAfterOpenAngularBracket, + this.NoSpaceBeforeCloseAngularBracket, + this.NoSpaceAfterCloseAngularBracket, + this.NoSpaceAfterTypeAssertion, + this.SpaceBeforeAt, + this.NoSpaceAfterAt, + this.SpaceAfterDecorator, + ]; + this.LowPriorityCommonRules = [ + this.NoSpaceBeforeSemicolon, + this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, + this.NoSpaceBeforeComma, + this.NoSpaceBeforeOpenBracket, + this.NoSpaceAfterCloseBracket, + this.SpaceAfterSemicolon, + this.NoSpaceBeforeOpenParenInFuncDecl, + this.SpaceBetweenStatements, this.SpaceAfterTryFinally + ]; + this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2)); + this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2)); + this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8)); + this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2)); + this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8)); + this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4), 1); + this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2)); + this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8)); + this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12, 13]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12, 13]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13, 14])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8)); + this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13, 14])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2)); + this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2)); + this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87, 17), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8)); + } + Rules.prototype.getRuleName = function (rule) { + var o = this; + for (var name_34 in o) { + if (o[name_34] === rule) { + return name_34; + } + } + throw new Error("Unknown rule"); + }; + Rules.IsForContext = function (context) { + return context.contextNode.kind === 202; + }; + Rules.IsNotForContext = function (context) { + return !Rules.IsForContext(context); + }; + Rules.IsBinaryOpContext = function (context) { + switch (context.contextNode.kind) { + case 184: + case 185: + case 192: + case 151: + case 159: + case 160: + return true; + case 166: + case 219: + case 224: + case 214: + case 139: + case 250: + case 142: + case 141: + return context.currentTokenSpan.kind === 56 || context.nextTokenSpan.kind === 56; + case 203: + return context.currentTokenSpan.kind === 90 || context.nextTokenSpan.kind === 90; + case 204: + return context.currentTokenSpan.kind === 135 || context.nextTokenSpan.kind === 135; + } + return false; + }; + Rules.IsNotBinaryOpContext = function (context) { + return !Rules.IsBinaryOpContext(context); + }; + Rules.IsConditionalOperatorContext = function (context) { + return context.contextNode.kind === 185; + }; + Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { + return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); + }; + Rules.IsBeforeMultilineBlockContext = function (context) { + return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + }; + Rules.IsMultilineBlockContext = function (context) { + return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsSingleLineBlockContext = function (context) { + return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.contextNode); + }; + Rules.IsBeforeBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.nextTokenParent); + }; + Rules.NodeIsBlockContext = function (node) { + if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { + return true; + } + switch (node.kind) { + case 195: + case 223: + case 168: + case 222: + return true; + } + return false; + }; + Rules.IsFunctionDeclContext = function (context) { + switch (context.contextNode.kind) { + case 216: + case 144: + case 143: + case 146: + case 147: + case 148: + case 176: + case 145: + case 177: + case 218: + return true; + } + return false; + }; + Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { + return context.contextNode.kind === 216 || context.contextNode.kind === 176; + }; + Rules.IsTypeScriptDeclWithBlockContext = function (context) { + return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); + }; + Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { + switch (node.kind) { + case 217: + case 189: + case 218: + case 220: + case 156: + case 221: + return true; + } + return false; + }; + Rules.IsAfterCodeBlockContext = function (context) { + switch (context.currentTokenParent.kind) { + case 217: + case 221: + case 220: + case 195: + case 247: + case 222: + case 209: + return true; + } + return false; + }; + Rules.IsControlDeclContext = function (context) { + switch (context.contextNode.kind) { + case 199: + case 209: + case 202: + case 203: + case 204: + case 201: + case 212: + case 200: + case 208: + case 247: + return true; + default: + return false; + } + }; + Rules.IsObjectContext = function (context) { + return context.contextNode.kind === 168; + }; + Rules.IsFunctionCallContext = function (context) { + return context.contextNode.kind === 171; + }; + Rules.IsNewContext = function (context) { + return context.contextNode.kind === 172; + }; + Rules.IsFunctionCallOrNewContext = function (context) { + return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); + }; + Rules.IsPreviousTokenNotComma = function (context) { + return context.currentTokenSpan.kind !== 24; + }; + Rules.IsNextTokenNotCloseBracket = function (context) { + return context.nextTokenSpan.kind !== 20; + }; + Rules.IsArrowFunctionContext = function (context) { + return context.contextNode.kind === 177; + }; + Rules.IsSameLineTokenContext = function (context) { + return context.TokensAreOnSameLine(); + }; + Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { + return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); + }; + Rules.IsEndOfDecoratorContextOnSameLine = function (context) { + return context.TokensAreOnSameLine() && + context.contextNode.decorators && + Rules.NodeIsInDecoratorContext(context.currentTokenParent) && + !Rules.NodeIsInDecoratorContext(context.nextTokenParent); + }; + Rules.NodeIsInDecoratorContext = function (node) { + while (ts.isExpression(node)) { + node = node.parent; + } + return node.kind === 140; + }; + Rules.IsStartOfVariableDeclarationList = function (context) { + return context.currentTokenParent.kind === 215 && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + }; + Rules.IsNotFormatOnEnter = function (context) { + return context.formattingRequestKind !== 2; + }; + Rules.IsModuleDeclContext = function (context) { + return context.contextNode.kind === 221; + }; + Rules.IsObjectTypeContext = function (context) { + return context.contextNode.kind === 156; + }; + Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { + if (token.kind !== 25 && token.kind !== 27) { + return false; + } + switch (parent.kind) { + case 152: + case 174: + case 217: + case 189: + case 218: + case 216: + case 176: + case 177: + case 144: + case 143: + case 148: + case 149: + case 171: + case 172: + case 191: + return true; + default: + return false; + } + }; + Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { + return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + }; + Rules.IsTypeAssertionContext = function (context) { + return context.contextNode.kind === 174; + }; + Rules.IsVoidOpContext = function (context) { + return context.currentTokenSpan.kind === 103 && context.currentTokenParent.kind === 180; + }; + Rules.IsYieldOrYieldStarWithOperand = function (context) { + return context.contextNode.kind === 187 && context.contextNode.expression !== undefined; + }; + return Rules; + }()); + formatting.Rules = Rules; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesMap = (function () { + function RulesMap() { + this.map = []; + this.mapRowLength = 0; + } + RulesMap.create = function (rules) { + var result = new RulesMap(); + result.Initialize(rules); + return result; + }; + RulesMap.prototype.Initialize = function (rules) { + this.mapRowLength = 135 + 1; + this.map = new Array(this.mapRowLength * this.mapRowLength); + var rulesBucketConstructionStateList = new Array(this.map.length); + this.FillRules(rules, rulesBucketConstructionStateList); + return this.map; + }; + RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { + var _this = this; + rules.forEach(function (rule) { + _this.FillRule(rule, rulesBucketConstructionStateList); + }); + }; + RulesMap.prototype.GetRuleBucketIndex = function (row, column) { + var rulesBucketIndex = (row * this.mapRowLength) + column; + return rulesBucketIndex; + }; + RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { + var _this = this; + var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && + rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; + rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { + rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { + var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); + var rulesBucket = _this.map[rulesBucketIndex]; + if (rulesBucket === undefined) { + rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); + } + rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); + }); + }); + }; + RulesMap.prototype.GetRule = function (context) { + var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); + var bucket = this.map[bucketIndex]; + if (bucket != null) { + for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { + var rule = _a[_i]; + if (rule.Operation.Context.InContext(context)) { + return rule; + } + } + } + return null; + }; + return RulesMap; + }()); + formatting.RulesMap = RulesMap; + var MaskBitSize = 5; + var Mask = 0x1f; + (function (RulesPosition) { + RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; + RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; + })(formatting.RulesPosition || (formatting.RulesPosition = {})); + var RulesPosition = formatting.RulesPosition; + var RulesBucketConstructionState = (function () { + function RulesBucketConstructionState() { + this.rulesInsertionIndexBitmap = 0; + } + RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { + var index = 0; + var pos = 0; + var indexBitmap = this.rulesInsertionIndexBitmap; + while (pos <= maskPosition) { + index += (indexBitmap & Mask); + indexBitmap >>= MaskBitSize; + pos += MaskBitSize; + } + return index; + }; + RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { + var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; + value++; + ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); + temp |= value << maskPosition; + this.rulesInsertionIndexBitmap = temp; + }; + return RulesBucketConstructionState; + }()); + formatting.RulesBucketConstructionState = RulesBucketConstructionState; + var RulesBucket = (function () { + function RulesBucket() { + this.rules = []; + } + RulesBucket.prototype.Rules = function () { + return this.rules; + }; + RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { + var position; + if (rule.Operation.Action === 1) { + position = specificTokens ? + RulesPosition.IgnoreRulesSpecific : + RulesPosition.IgnoreRulesAny; + } + else if (!rule.Operation.Context.IsAny()) { + position = specificTokens ? + RulesPosition.ContextRulesSpecific : + RulesPosition.ContextRulesAny; + } + else { + position = specificTokens ? + RulesPosition.NoContextRulesSpecific : + RulesPosition.NoContextRulesAny; + } + var state = constructionState[rulesBucketIndex]; + if (state === undefined) { + state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); + } + var index = state.GetInsertionIndex(position); + this.rules.splice(index, 0, rule); + state.IncreaseInsertionIndex(position); + }; + return RulesBucket; + }()); + formatting.RulesBucket = RulesBucket; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Shared; + (function (Shared) { + var TokenRangeAccess = (function () { + function TokenRangeAccess(from, to, except) { + this.tokens = []; + for (var token = from; token <= to; token++) { + if (ts.indexOf(except, token) < 0) { + this.tokens.push(token); + } + } + } + TokenRangeAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenRangeAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenRangeAccess; + }()); + Shared.TokenRangeAccess = TokenRangeAccess; + var TokenValuesAccess = (function () { + function TokenValuesAccess(tks) { + this.tokens = tks && tks.length ? tks : []; + } + TokenValuesAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenValuesAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenValuesAccess; + }()); + Shared.TokenValuesAccess = TokenValuesAccess; + var TokenSingleValueAccess = (function () { + function TokenSingleValueAccess(token) { + this.token = token; + } + TokenSingleValueAccess.prototype.GetTokens = function () { + return [this.token]; + }; + TokenSingleValueAccess.prototype.Contains = function (tokenValue) { + return tokenValue === this.token; + }; + return TokenSingleValueAccess; + }()); + Shared.TokenSingleValueAccess = TokenSingleValueAccess; + var TokenAllAccess = (function () { + function TokenAllAccess() { + } + TokenAllAccess.prototype.GetTokens = function () { + var result = []; + for (var token = 0; token <= 135; token++) { + result.push(token); + } + return result; + }; + TokenAllAccess.prototype.Contains = function (tokenValue) { + return true; + }; + TokenAllAccess.prototype.toString = function () { + return "[allTokens]"; + }; + return TokenAllAccess; + }()); + Shared.TokenAllAccess = TokenAllAccess; + var TokenRange = (function () { + function TokenRange(tokenAccess) { + this.tokenAccess = tokenAccess; + } + TokenRange.FromToken = function (token) { + return new TokenRange(new TokenSingleValueAccess(token)); + }; + TokenRange.FromTokens = function (tokens) { + return new TokenRange(new TokenValuesAccess(tokens)); + }; + TokenRange.FromRange = function (f, to, except) { + if (except === void 0) { except = []; } + return new TokenRange(new TokenRangeAccess(f, to, except)); + }; + TokenRange.AllTokens = function () { + return new TokenRange(new TokenAllAccess()); + }; + TokenRange.prototype.GetTokens = function () { + return this.tokenAccess.GetTokens(); + }; + TokenRange.prototype.Contains = function (token) { + return this.tokenAccess.Contains(token); + }; + TokenRange.prototype.toString = function () { + return this.tokenAccess.toString(); + }; + TokenRange.Any = TokenRange.AllTokens(); + TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3])); + TokenRange.Keywords = TokenRange.FromRange(70, 135); + TokenRange.BinaryOperators = TokenRange.FromRange(25, 68); + TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90, 91, 135, 116, 124]); + TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41, 42, 50, 49]); + TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8, 69, 17, 19, 15, 97, 92]); + TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69, 17, 97, 92]); + TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69, 18, 20, 92]); + TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69, 17, 97, 92]); + TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69, 18, 20, 92]); + TokenRange.Comments = TokenRange.FromTokens([2, 3]); + TokenRange.TypeNames = TokenRange.FromTokens([69, 128, 130, 120, 131, 103, 117]); + return TokenRange; + }()); + Shared.TokenRange = TokenRange; + })(Shared = formatting.Shared || (formatting.Shared = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesProvider = (function () { + function RulesProvider() { + this.globalRules = new formatting.Rules(); + } + RulesProvider.prototype.getRuleName = function (rule) { + return this.globalRules.getRuleName(rule); + }; + RulesProvider.prototype.getRuleByName = function (name) { + return this.globalRules[name]; + }; + RulesProvider.prototype.getRulesMap = function () { + return this.rulesMap; + }; + RulesProvider.prototype.ensureUpToDate = function (options) { + if (this.options == null || !ts.compareDataObjects(this.options, options)) { + var activeRules = this.createActiveRules(options); + var rulesMap = formatting.RulesMap.create(activeRules); + this.activeRules = activeRules; + this.rulesMap = rulesMap; + this.options = ts.clone(options); + } + }; + RulesProvider.prototype.createActiveRules = function (options) { + var rules = this.globalRules.HighPriorityCommonRules.slice(0); + if (options.InsertSpaceAfterCommaDelimiter) { + rules.push(this.globalRules.SpaceAfterComma); + } + else { + rules.push(this.globalRules.NoSpaceAfterComma); + } + if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { + rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); + } + else { + rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); + } + if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { + rules.push(this.globalRules.SpaceAfterKeywordInControl); + } + else { + rules.push(this.globalRules.NoSpaceAfterKeywordInControl); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { + rules.push(this.globalRules.SpaceAfterOpenParen); + rules.push(this.globalRules.SpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenParen); + rules.push(this.globalRules.NoSpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { + rules.push(this.globalRules.SpaceAfterOpenBracket); + rules.push(this.globalRules.SpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenBracket); + rules.push(this.globalRules.NoSpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { + rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); + } + else { + rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); + } + if (options.InsertSpaceAfterSemicolonInForStatements) { + rules.push(this.globalRules.SpaceAfterSemicolonInFor); + } + else { + rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); + } + if (options.InsertSpaceBeforeAndAfterBinaryOperators) { + rules.push(this.globalRules.SpaceBeforeBinaryOperator); + rules.push(this.globalRules.SpaceAfterBinaryOperator); + } + else { + rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); + rules.push(this.globalRules.NoSpaceAfterBinaryOperator); + } + if (options.PlaceOpenBraceOnNewLineForControlBlocks) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); + } + if (options.PlaceOpenBraceOnNewLineForFunctions) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); + rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); + } + rules = rules.concat(this.globalRules.LowPriorityCommonRules); + return rules; + }; + return RulesProvider; + }()); + formatting.RulesProvider = RulesProvider; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + function formatOnEnter(position, sourceFile, rulesProvider, options) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; + } + var span = { + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + end: ts.getEndLinePosition(line, sourceFile) + 1 + }; + return formatSpan(span, sourceFile, options, rulesProvider, 2); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 23, sourceFile, options, rulesProvider, 3); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 16, sourceFile, options, rulesProvider, 4); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, rulesProvider, options) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, options, rulesProvider, 0); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, rulesProvider, options) { + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end + }; + return formatSpan(span, sourceFile, options, rulesProvider, 1); + } + formatting.formatSelection = formatSelection; + function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { + var parent = findOutermostParent(position, expectedLastToken, sourceFile); + if (!parent) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), + end: parent.end + }; + return formatSpan(span, sourceFile, options, rulesProvider, requestKind); + } + function findOutermostParent(position, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken || + precedingToken.kind !== expectedTokenKind || + position !== precedingToken.getEnd()) { + return undefined; + } + var current = precedingToken; + while (current && + current.parent && + current.parent.end === precedingToken.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + function isListElement(parent, node) { + switch (parent.kind) { + case 217: + case 218: + return ts.rangeContainsRange(parent.members, node); + case 221: + var body = parent.body; + return body && body.kind === 195 && ts.rangeContainsRange(body.statements, node); + case 251: + case 195: + case 222: + return ts.rangeContainsRange(parent.statements, node); + case 247: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; + } + } + return n; + } + } + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + while (true) { + if (index >= sorted.length) { + return false; + } + var error = sorted[index]; + if (r.end <= error.start) { + return false; + } + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + return true; + } + index++; + } + }; + function rangeHasNoErrors(r) { + return false; + } + } + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + return enclosingNode.pos; + } + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 && line !== previousLine) { + break; + } + if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { + return options.IndentSize; + } + previousLine = line; + child = n; + n = n.parent; + } + return 0; + } + function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { + var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); + var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); + var previousRangeHasError; + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; + } + var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); + trimTrailingWhitespacesForRemainingRange(); + } + } + formattingScanner.close(); + return edits; + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos)) { + if (inheritedIndentation !== -1) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + return column; + } + } + return -1; + } + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var indentation = inheritedIndentation; + var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; + if (effectiveParentStartLine === startLine) { + indentation = startLine === lastIndentedLine + ? indentationOnLastIndentedLine + : parentDynamicIndentation.getIndentation(); + delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); + } + else if (indentation === -1) { + if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { + indentation = parentDynamicIndentation.getIndentation(); + } + else { + indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); + } + } + return { + indentation: indentation, + delta: delta + }; + } + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 217: return 73; + case 218: return 107; + case 216: return 87; + case 220: return 220; + case 146: return 123; + case 147: return 129; + case 144: + if (node.asteriskToken) { + return 37; + } + case 142: + case 139: + return node.name.kind; + } + } + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + case 16: + case 20: + case 18: + return indentation + getEffectiveDelta(delta, container); + } + return tokenIndentation !== -1 ? tokenIndentation : indentation; + }, + getIndentationForToken: function (line, kind, container) { + if (nodeStartLine !== line && node.decorators) { + if (kind === getFirstNonDecoratorTokenOfNode(node)) { + return indentation; + } + } + switch (kind) { + case 15: + case 16: + case 19: + case 20: + case 17: + case 18: + case 80: + case 104: + case 55: + return indentation; + default: + return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; + } + }, + getIndentation: function () { return indentation; }, + getDelta: function (child) { return getEffectiveDelta(delta, child); }, + recomputeIndentation: function (lineAdded) { + if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { + if (lineAdded) { + indentation += options.IndentSize; + } + else { + indentation -= options.IndentSize; + } + if (formatting.SmartIndenter.shouldIndentChildNode(node)) { + delta = options.IndentSize; + } + else { + delta = 0; + } + } + } + }; + function getEffectiveDelta(delta, child) { + return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; + } + } + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; + } + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + var childContextNode = contextNode; + ts.forEachChild(node, function (child) { + processChildNode(child, -1, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > node.end) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); + } + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; + } + var childIndentationAmount = -1; + if (isListItem) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1) { + inheritedIndentation = childIndentationAmount; + } + } + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > childStartPos) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); + } + if (!formattingScanner.isOnToken()) { + return inheritedIndentation; + } + if (ts.isToken(child)) { + var tokenInfo = formattingScanner.readTokenInfo(child); + ts.Debug.assert(tokenInfo.token.end === child.end); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + var effectiveParentStartLine = child.kind === 140 ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + return inheritedIndentation; + } + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + var listStartToken = getOpenTokenForList(parent, nodes); + var listEndToken = getCloseTokenForOpenToken(listStartToken); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + if (listStartToken !== 0) { + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { + break; + } + else if (tokenInfo.token.kind === listStartToken) { + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1, parent, parentDynamicIndentation, parentStartLine); + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + else { + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); + } + } + } + var inheritedIndentation = -1; + for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { + var child = nodes_6[_i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, true); + } + if (listEndToken !== 0) { + if (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + } + } + } + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); + } + var lineAdded; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + var savePreviousRange = previousRange; + lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + if (rangeHasError) { + indentToken = false; + } + else { + if (lineAdded !== undefined) { + indentToken = lineAdded; + } + else { + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + } + } + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); + } + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : + -1; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + var indentNextTokenOrTrivia = true; + for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { + var triviaItem = _a[_i]; + if (!ts.rangeContainsRange(originalRange, triviaItem)) { + continue; + } + switch (triviaItem.kind) { + case 3: + indentMultilineComment(triviaItem, commentIndentation, !indentNextTokenOrTrivia); + indentNextTokenOrTrivia = false; + break; + case 2: + if (indentNextTokenOrTrivia) { + insertIndentation(triviaItem.pos, commentIndentation, false); + indentNextTokenOrTrivia = false; + } + break; + case 4: + indentNextTokenOrTrivia = true; + break; + } + } + } + if (tokenIndentation !== -1) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; + } + } + formattingScanner.advance(); + childContextNode = parent; + } + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); + } + } + } + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAdded; + if (!rangeHasError && !previousRangeHasError) { + if (!previousRange) { + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAdded = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + previousRangeHasError = rangeHasError; + return lineAdded; + } + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rule = rulesProvider.getRulesMap().GetRule(formattingContext); + var trimTrailingWhitespaces; + var lineAdded; + if (rule) { + applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (rule.Operation.Action & (2 | 8) && currentStartLine !== previousStartLine) { + lineAdded = false; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(false); + } + } + else if (rule.Operation.Action & 4 && currentStartLine === previousStartLine) { + lineAdded = true; + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(true); + } + } + trimTrailingWhitespaces = !(rule.Operation.Action & 8) && rule.Flag !== 1; + } + else { + trimTrailingWhitespaces = true; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAdded; + } + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + if (indentation !== tokenStart.character) { + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + recordReplace(startLinePosition, tokenStart.character, indentationString); + } + } + } + function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + var parts; + if (startLine === endLine) { + if (!firstLineIsIndented) { + insertIndentation(commentRange.pos, indentation, false); + } + return; + } + else { + parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; ++line) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + } + parts.push({ pos: startPos, end: commentRange.end }); + } + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + if (indentation === nonWhitespaceColumnInFirstPart.column) { + return; + } + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); + } + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); + } + } + } + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; ++line) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } + } + } + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; + } + function trimTrailingWhitespacesForRemainingRange() { + var startPosition = previousRange ? previousRange.end : originalRange.pos; + var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function newTextChange(start, len, newText) { + return { span: ts.createTextSpan(start, len), newText: newText }; + } + function recordDelete(start, len) { + if (len) { + edits.push(newTextChange(start, len, "")); + } + } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(newTextChange(start, len, newText)); + } + } + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + var between; + switch (rule.Operation.Action) { + case 1: + return; + case 8: + if (previousRange.end !== currentRange.pos) { + recordDelete(previousRange.end, currentRange.pos - previousRange.end); + } + break; + case 4: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; + } + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); + } + break; + case 2: + if (rule.Flag !== 1 && previousStartLine !== currentStartLine) { + return; + } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); + } + break; + } + } + } + function isSomeBlock(kind) { + switch (kind) { + case 195: + case 222: + return true; + } + return false; + } + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 145: + case 216: + case 176: + case 144: + case 143: + case 177: + if (node.typeParameters === list) { + return 25; + } + else if (node.parameters === list) { + return 17; + } + break; + case 171: + case 172: + if (node.typeArguments === list) { + return 25; + } + else if (node.arguments === list) { + return 17; + } + break; + case 152: + if (node.typeArguments === list) { + return 25; + } + } + return 0; + } + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 17: + return 18; + case 25: + return 27; + } + return 0; + } + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; + } + if (!options.ConvertTabsToSpaces) { + var tabs = Math.floor(indentation / options.TabSize); + var spaces = indentation - tabs * options.TabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; + } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + repeat(" ", spaces) : tabString; + } + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.IndentSize); + var remainder = indentation % options.IndentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = repeat(" ", options.IndentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + repeat(" ", remainder) : spacesString; + } + function repeat(value, count) { + var s = ""; + for (var i = 0; i < count; ++i) { + s += value; + } + return s; + } + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + function getIndentation(position, sourceFile, options) { + if (position > sourceFile.text.length) { + return 0; + } + if (options.IndentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken) { + return 0; + } + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (options.IndentStyle === ts.IndentStyle.Block) { + var current_1 = position; + while (current_1 > 0) { + var char = sourceFile.text.charCodeAt(current_1); + if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { + break; + } + current_1--; + } + var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); + return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); + } + if (precedingToken.kind === 24 && precedingToken.parent.kind !== 184) { + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + } + var previous; + var current = precedingToken; + var currentStart; + var indentationDelta; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { + currentStart = getStartLineAndCharacterForNode(current, sourceFile); + if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { + indentationDelta = 0; + } + else { + indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; + } + break; + } + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + options.IndentSize; + } + previous = current; + current = current.parent; + } + if (!current) { + return 0; + } + return getIndentationForNodeWorker(current, currentStart, undefined, indentationDelta, sourceFile, options); + } + SmartIndenter.getIndentation = getIndentation; + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, 0, sourceFile, options); + } + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { + var parent = current.parent; + var parentStart; + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + if (useActualIndentation) { + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + parentStart = getParentStart(parent, current, sourceFile); + var parentAndChildShareLine = parentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1) { + return actualIndentation + indentationDelta; + } + } + if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { + indentationDelta += options.IndentSize; + } + current = parent; + currentStart = parentStart; + parent = current.parent; + } + return indentationDelta; + } + function getParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + if (containingList) { + return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); + } + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + } + else { + return -1; + } + } + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && + (parent.kind === 251 || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1; + } + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + } + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current); + if (!nextToken) { + return false; + } + if (nextToken.kind === 15) { + return true; + } + else if (nextToken.kind === 16) { + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine; + } + return false; + } + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + } + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 199 && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 80, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; + } + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + function getContainingList(node, sourceFile) { + if (node.parent) { + switch (node.parent.kind) { + case 152: + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { + return node.parent.typeArguments; + } + break; + case 168: + return node.parent.properties; + case 167: + return node.parent.elements; + case 216: + case 176: + case 177: + case 144: + case 143: + case 148: + case 149: { + var start = node.getStart(sourceFile); + if (node.parent.typeParameters && + ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { + return node.parent.typeParameters; + } + if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { + return node.parent.parameters; + } + break; + } + case 172: + case 171: { + var start = node.getStart(sourceFile); + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { + return node.parent.typeArguments; + } + if (node.parent.arguments && + ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { + return node.parent.arguments; + } + break; + } + } + } + return undefined; + } + function getActualIndentationForListItem(node, sourceFile, options) { + var containingList = getContainingList(node, sourceFile); + return containingList ? getActualIndentationFromList(containingList) : -1; + function getActualIndentationFromList(list) { + var index = ts.indexOf(list, node); + return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1; + } + } + function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { + if (node.kind === 18) { + return -1; + } + if (node.parent && (node.parent.kind === 171 || + node.parent.kind === 172) && + node.parent.expression !== node) { + var fullCallOrNewExpression = node.parent.expression; + var startingExpression = getStartingExpression(fullCallOrNewExpression); + if (fullCallOrNewExpression === startingExpression) { + return -1; + } + var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); + var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); + if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { + return -1; + } + return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); + } + return -1; + function getStartingExpression(node) { + while (true) { + switch (node.kind) { + case 171: + case 172: + case 169: + case 170: + node = node.expression; + break; + default: + return node; + } + } + } + } + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; --i) { + if (list[i].kind === 24) { + continue; + } + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); + } + return -1; + } + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); + } + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; ++pos) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch)) { + break; + } + if (ch === 9) { + column += options.TabSize + (column % options.TabSize); + } + else { + column++; + } + character++; + } + return { column: column, character: character }; + } + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; + } + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeContentIsAlwaysIndented(kind) { + switch (kind) { + case 198: + case 217: + case 189: + case 218: + case 220: + case 219: + case 167: + case 195: + case 222: + case 168: + case 156: + case 158: + case 223: + case 245: + case 244: + case 175: + case 169: + case 171: + case 172: + case 196: + case 214: + case 230: + case 207: + case 185: + case 165: + case 164: + case 238: + case 237: + case 243: + case 143: + case 148: + case 149: + case 139: + case 153: + case 154: + case 161: + case 173: + case 181: + case 228: + return true; + } + return false; + } + function nodeWillIndentChild(parent, child, indentByDefault) { + var childKind = child ? child.kind : 0; + switch (parent.kind) { + case 200: + case 201: + case 203: + case 204: + case 202: + case 199: + case 216: + case 176: + case 144: + case 177: + case 145: + case 146: + case 147: + return childKind !== 195; + case 236: + return childKind !== 240; + } + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + function shouldIndentChildNode(parent, child) { + return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); + } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + ts.servicesVersion = "0.4"; + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + var scanner = ts.createScanner(2, true); + var emptyArray = []; + var jsDocTagNames = [ + "augments", + "author", + "argument", + "borrows", + "class", + "constant", + "constructor", + "constructs", + "default", + "deprecated", + "description", + "event", + "example", + "extends", + "field", + "fileOverview", + "function", + "ignore", + "inner", + "lends", + "link", + "memberOf", + "name", + "namespace", + "param", + "private", + "property", + "public", + "requires", + "returns", + "see", + "since", + "static", + "throws", + "type", + "version" + ]; + var jsDocCompletionEntries; + function createNode(kind, pos, end, flags, parent) { + var node = new NodeObject(kind, pos, end); + node.flags = flags; + node.parent = parent; + return node; + } + var NodeObject = (function () { + function NodeObject(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0; + this.parent = undefined; + } + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); + }; + NodeObject.prototype.getStart = function (sourceFile) { + return ts.getTokenPosOfNode(this, sourceFile); + }; + NodeObject.prototype.getFullStart = function () { + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); + }; + NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { + scanner.setTextPos(pos); + while (pos < end) { + var token = scanner.scan(); + var textPos = scanner.getTextPos(); + nodes.push(createNode(token, pos, textPos, 2048, this)); + pos = textPos; + } + return pos; + }; + NodeObject.prototype.createSyntaxList = function (nodes) { + var list = createNode(274, nodes.pos, nodes.end, 2048, this); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { + var node = nodes_7[_i]; + if (pos < node.pos) { + pos = this.addSyntheticNodes(list._children, pos, node.pos); + } + list._children.push(node); + pos = node.end; + } + if (pos < nodes.end) { + this.addSyntheticNodes(list._children, pos, nodes.end); + } + return list; + }; + NodeObject.prototype.createChildren = function (sourceFile) { + var _this = this; + var children; + if (this.kind >= 136) { + scanner.setText((sourceFile || this.getSourceFile()).text); + children = []; + var pos_3 = this.pos; + var processNode = function (node) { + if (pos_3 < node.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); + } + children.push(node); + pos_3 = node.end; + }; + var processNodes = function (nodes) { + if (pos_3 < nodes.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); + } + children.push(_this.createSyntaxList(nodes)); + pos_3 = nodes.end; + }; + ts.forEachChild(this, processNode, processNodes); + if (pos_3 < this.end) { + this.addSyntheticNodes(children, pos_3, this.end); + } + scanner.setText(undefined); + } + this._children = children || emptyArray; + }; + NodeObject.prototype.getChildCount = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children.length; + }; + NodeObject.prototype.getChildAt = function (index, sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children[index]; + }; + NodeObject.prototype.getChildren = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children; + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + if (!children.length) { + return undefined; + } + var child = children[0]; + return child.kind < 136 ? child : child.getFirstToken(sourceFile); + }; + NodeObject.prototype.getLastToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; + } + return child.kind < 136 ? child : child.getLastToken(sourceFile); + }; + return NodeObject; + }()); + var SymbolObject = (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.name = name; + } + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4)); + } + return this.documentationComment; + }; + return SymbolObject; + }()); + function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { + var documentationComment = []; + var docComments = getJsDocCommentsSeparatedByNewLines(); + ts.forEach(docComments, function (docComment) { + if (documentationComment.length) { + documentationComment.push(ts.lineBreakPart()); + } + documentationComment.push(docComment); + }); + return documentationComment; + function getJsDocCommentsSeparatedByNewLines() { + var paramTag = "@param"; + var jsDocCommentParts = []; + ts.forEach(declarations, function (declaration, indexOfDeclaration) { + if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { + var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); + if (canUseParsedParamTagComments && declaration.kind === 139) { + ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedParamJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); + } + }); + } + if (declaration.kind === 221 && declaration.body.kind === 221) { + return; + } + while (declaration.kind === 221 && declaration.parent.kind === 221) { + declaration = declaration.parent; + } + ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedJsDocComment); + } + }); + } + }); + return jsDocCommentParts; + function getJsDocCommentTextRange(node, sourceFile) { + return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { + return { + pos: jsDocComment.pos + "/*".length, + end: jsDocComment.end - "*/".length + }; + }); + } + function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { + if (maxSpacesToRemove !== undefined) { + end = Math.min(end, pos + maxSpacesToRemove); + } + for (; pos < end; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { + return pos; + } + } + return end; + } + function consumeLineBreaks(pos, end, sourceFile) { + while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function isName(pos, end, sourceFile, name) { + return pos + name.length < end && + sourceFile.text.substr(pos, name.length) === name && + (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || + ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); + } + function isParamTag(pos, end, sourceFile) { + return isName(pos, end, sourceFile, paramTag); + } + function pushDocCommentLineText(docComments, text, blankLineCount) { + while (blankLineCount) { + blankLineCount--; + docComments.push(ts.textPart("")); + } + docComments.push(ts.textPart(text)); + } + function getCleanedJsDocComment(pos, end, sourceFile) { + var spacesToRemoveAfterAsterisk; + var docComments = []; + var blankLineCount = 0; + var isInParamTag = false; + while (pos < end) { + var docCommentTextOfLine = ""; + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); + if (pos < end && sourceFile.text.charCodeAt(pos) === 42) { + var lineStartPos = pos + 1; + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); + if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + spacesToRemoveAfterAsterisk = pos - lineStartPos; + } + } + else if (spacesToRemoveAfterAsterisk === undefined) { + spacesToRemoveAfterAsterisk = 0; + } + while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + var ch = sourceFile.text.charAt(pos); + if (ch === "@") { + if (isParamTag(pos, end, sourceFile)) { + isInParamTag = true; + pos += paramTag.length; + continue; + } + else { + isInParamTag = false; + } + } + if (!isInParamTag) { + docCommentTextOfLine += ch; + } + pos++; + } + pos = consumeLineBreaks(pos, end, sourceFile); + if (docCommentTextOfLine) { + pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); + blankLineCount = 0; + } + else if (!isInParamTag && docComments.length) { + blankLineCount++; + } + } + return docComments; + } + function getCleanedParamJsDocComment(pos, end, sourceFile) { + var paramHelpStringMargin; + var paramDocComments = []; + while (pos < end) { + if (isParamTag(pos, end, sourceFile)) { + var blankLineCount = 0; + var recordedParamTag = false; + pos = consumeWhiteSpaces(pos + paramTag.length); + if (pos >= end) { + break; + } + if (sourceFile.text.charCodeAt(pos) === 123) { + pos++; + for (var curlies = 1; pos < end; pos++) { + var charCode = sourceFile.text.charCodeAt(pos); + if (charCode === 123) { + curlies++; + continue; + } + if (charCode === 125) { + curlies--; + if (curlies === 0) { + pos++; + break; + } + else { + continue; + } + } + if (charCode === 64) { + break; + } + } + pos = consumeWhiteSpaces(pos); + if (pos >= end) { + break; + } + } + if (isName(pos, end, sourceFile, name)) { + pos = consumeWhiteSpaces(pos + name.length); + if (pos >= end) { + break; + } + var paramHelpString = ""; + var firstLineParamHelpStringPos = pos; + while (pos < end) { + var ch = sourceFile.text.charCodeAt(pos); + if (ts.isLineBreak(ch)) { + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + paramHelpString = ""; + blankLineCount = 0; + recordedParamTag = true; + } + else if (recordedParamTag) { + blankLineCount++; + } + setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); + continue; + } + if (ch === 64) { + break; + } + paramHelpString += sourceFile.text.charAt(pos); + pos++; + } + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + } + paramHelpStringMargin = undefined; + } + if (sourceFile.text.charCodeAt(pos) === 64) { + continue; + } + } + pos++; + } + return paramDocComments; + function consumeWhiteSpaces(pos) { + while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { + pos = consumeLineBreaks(pos, end, sourceFile); + if (pos >= end) { + return; + } + if (paramHelpStringMargin === undefined) { + paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; + } + var startOfLinePos = pos; + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); + if (pos >= end) { + return; + } + var consumedSpaces = pos - startOfLinePos; + if (consumedSpaces < paramHelpStringMargin) { + var ch = sourceFile.text.charCodeAt(pos); + if (ch === 42) { + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); + } + } + } + } + } + } + var TypeObject = (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; + }; + TypeObject.prototype.getSymbol = function () { + return this.symbol; + }; + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); + }; + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); + }; + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); + }; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.flags & (1024 | 2048) + ? this.checker.getBaseTypes(this) + : undefined; + }; + return TypeObject; + }()); + var SignatureObject = (function () { + function SignatureObject(checker) { + this.checker = checker; + } + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], undefined, false) : []; + } + return this.documentationComment; + }; + return SignatureObject; + }()); + var SourceFileObject = (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + _super.call(this, kind, pos, end); + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { + return ts.getPositionOfLineAndCharacter(this, line, character); + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = {}; + ts.forEachChild(this, visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + var declarations = getDeclarations(name); + declarations.push(declaration); + } + } + function getDeclarations(name) { + return ts.getProperty(result, name) || (result[name] = []); + } + function getDeclarationName(declaration) { + if (declaration.name) { + var result_3 = getTextOfIdentifierOrLiteral(declaration.name); + if (result_3 !== undefined) { + return result_3; + } + if (declaration.name.kind === 137) { + var expr = declaration.name.expression; + if (expr.kind === 169) { + return expr.name.text; + } + return getTextOfIdentifierOrLiteral(expr); + } + } + return undefined; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 || + node.kind === 9 || + node.kind === 8) { + return node.text; + } + } + return undefined; + } + function visit(node) { + switch (node.kind) { + case 216: + case 144: + case 143: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + ts.forEachChild(node, visit); + } + break; + case 217: + case 218: + case 219: + case 220: + case 221: + case 224: + case 233: + case 229: + case 224: + case 226: + case 227: + case 146: + case 147: + case 156: + addDeclaration(node); + case 145: + case 196: + case 215: + case 164: + case 165: + case 222: + ts.forEachChild(node, visit); + break; + case 195: + if (ts.isFunctionBlock(node)) { + ts.forEachChild(node, visit); + } + break; + case 139: + if (!(node.flags & 56)) { + break; + } + case 214: + case 166: + if (ts.isBindingPattern(node.name)) { + ts.forEachChild(node.name, visit); + break; + } + case 250: + case 142: + case 141: + addDeclaration(node); + break; + case 231: + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225: + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + addDeclaration(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + } + } + }; + return SourceFileObject; + }(NodeObject)); + var TextChange = (function () { + function TextChange() { + } + return TextChange; + }()); + ts.TextChange = TextChange; + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind.none = "none"; + HighlightSpanKind.definition = "definition"; + HighlightSpanKind.reference = "reference"; + HighlightSpanKind.writtenReference = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(ts.IndentStyle || (ts.IndentStyle = {})); + var IndentStyle = ts.IndentStyle; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; + })(ts.TokenClass || (ts.TokenClass = {})); + var TokenClass = ts.TokenClass; + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind.unknown = ""; + ScriptElementKind.warning = "warning"; + ScriptElementKind.keyword = "keyword"; + ScriptElementKind.scriptElement = "script"; + ScriptElementKind.moduleElement = "module"; + ScriptElementKind.classElement = "class"; + ScriptElementKind.localClassElement = "local class"; + ScriptElementKind.interfaceElement = "interface"; + ScriptElementKind.typeElement = "type"; + ScriptElementKind.enumElement = "enum"; + ScriptElementKind.variableElement = "var"; + ScriptElementKind.localVariableElement = "local var"; + ScriptElementKind.functionElement = "function"; + ScriptElementKind.localFunctionElement = "local function"; + ScriptElementKind.memberFunctionElement = "method"; + ScriptElementKind.memberGetAccessorElement = "getter"; + ScriptElementKind.memberSetAccessorElement = "setter"; + ScriptElementKind.memberVariableElement = "property"; + ScriptElementKind.constructorImplementationElement = "constructor"; + ScriptElementKind.callSignatureElement = "call"; + ScriptElementKind.indexSignatureElement = "index"; + ScriptElementKind.constructSignatureElement = "construct"; + ScriptElementKind.parameterElement = "parameter"; + ScriptElementKind.typeParameterElement = "type parameter"; + ScriptElementKind.primitiveType = "primitive type"; + ScriptElementKind.label = "label"; + ScriptElementKind.alias = "alias"; + ScriptElementKind.constElement = "const"; + ScriptElementKind.letElement = "let"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier.none = ""; + ScriptElementKindModifier.publicMemberModifier = "public"; + ScriptElementKindModifier.privateMemberModifier = "private"; + ScriptElementKindModifier.protectedMemberModifier = "protected"; + ScriptElementKindModifier.exportedModifier = "export"; + ScriptElementKindModifier.ambientModifier = "declare"; + ScriptElementKindModifier.staticModifier = "static"; + ScriptElementKindModifier.abstractModifier = "abstract"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames = (function () { + function ClassificationTypeNames() { + } + ClassificationTypeNames.comment = "comment"; + ClassificationTypeNames.identifier = "identifier"; + ClassificationTypeNames.keyword = "keyword"; + ClassificationTypeNames.numericLiteral = "number"; + ClassificationTypeNames.operator = "operator"; + ClassificationTypeNames.stringLiteral = "string"; + ClassificationTypeNames.whiteSpace = "whitespace"; + ClassificationTypeNames.text = "text"; + ClassificationTypeNames.punctuation = "punctuation"; + ClassificationTypeNames.className = "class name"; + ClassificationTypeNames.enumName = "enum name"; + ClassificationTypeNames.interfaceName = "interface name"; + ClassificationTypeNames.moduleName = "module name"; + ClassificationTypeNames.typeParameterName = "type parameter name"; + ClassificationTypeNames.typeAliasName = "type alias name"; + ClassificationTypeNames.parameterName = "parameter name"; + ClassificationTypeNames.docCommentTagName = "doc comment tag name"; + ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; + ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; + ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; + ClassificationTypeNames.jsxAttribute = "jsx attribute"; + ClassificationTypeNames.jsxText = "jsx text"; + ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; + return ClassificationTypeNames; + }()); + ts.ClassificationTypeNames = ClassificationTypeNames; + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); + } + return ""; + } + ts.displayPartsToString = displayPartsToString; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; + } + return ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 176) { + return true; + } + if (declaration.kind !== 214 && declaration.kind !== 216) { + return false; + } + for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { + if (parent_10.kind === 251 || parent_10.kind === 222) { + return false; + } + } + return true; + }); + } + function getDefaultCompilerOptions() { + return { + target: 1, + jsx: 1 + }; + } + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + var HostCache = (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + this.getCanonicalFileName = getCanonicalFileName; + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = ts.createFileMap(); + var rootFileNames = host.getScriptFileNames(); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); + } + HostCache.prototype.compilationSettings = function () { + return this._compilationSettings; + }; + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot + }; + } + this.fileNameToEntry.set(path, entry); + return entry; + }; + HostCache.prototype.getEntry = function (path) { + return this.fileNameToEntry.get(path); + }; + HostCache.prototype.contains = function (path) { + return this.fileNameToEntry.contains(path); + }; + HostCache.prototype.getOrCreateEntry = function (fileName) { + var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); + if (this.contains(path)) { + return this.getEntry(path); + } + return this.createEntry(fileName, path); + }; + HostCache.prototype.getRootFileNames = function () { + var fileNames = []; + this.fileNameToEntry.forEachValue(function (path, value) { + if (value) { + fileNames.push(value.hostFileName); + } + }); + return fileNames; + }; + HostCache.prototype.getVersion = function (path) { + var file = this.getEntry(path); + return file && file.version; + }; + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getEntry(path); + return file && file.scriptSnapshot; + }; + return HostCache; + }()); + var SyntaxTreeCache = (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + throw new Error("Could not find file: '" + fileName + "'."); + } + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2, version, true); + } + else if (this.currentFileVersion !== version) { + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; + }; + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + function transpileModule(input, transpileOptions) { + var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); + options.isolatedModules = true; + options.suppressOutputPathCheck = true; + options.allowNonTsExtensions = true; + options.noLib = true; + options.noResolve = true; + var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, options.target); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + sourceFile.renamedDependencies = transpileOptions.renamedDependencies; + var newLine = ts.getNewLineCharacter(options); + var outputText; + var sourceMapText; + var compilerHost = { + getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text, writeByteOrderMark) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); + sourceMapText = text; + } + else { + ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); + outputText = text; + } + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function (fileName) { return ""; }, + directoryExists: function (directoryExists) { return true; } + }; + var program = ts.createProgram([inputFileName], options, compilerHost); + var diagnostics; + if (transpileOptions.reportDiagnostics) { + diagnostics = []; + ts.addRange(diagnostics, program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(diagnostics, program.getOptionsDiagnostics()); + } + program.emit(); + ts.Debug.assert(outputText !== undefined, "Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { + var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); + var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + ts.disableIncrementalParsing = false; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + if (textChangeRange) { + if (version !== sourceFile.version) { + if (!ts.disableIncrementalParsing) { + var newText = void 0; + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + newSourceFile.nameTable = undefined; + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + } + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, true); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + if (currentDirectory === void 0) { currentDirectory = ""; } + var buckets = {}; + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function getKeyFromCompilationSettings(settings) { + return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; + } + function getBucketForCompilationSettings(settings, createIfMissing) { + var key = getKeyFromCompilationSettings(settings); + var bucket = ts.lookUp(buckets, key); + if (!bucket && createIfMissing) { + buckets[key] = bucket = ts.createFileMap(); + } + return bucket; + } + function reportStats() { + var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = ts.lookUp(buckets, name); + var sourceFiles = []; + entries.forEachValue(function (key, entry) { + sourceFiles.push({ + name: key, + refCount: entry.languageServiceRefCount, + references: entry.owners.slice(0) + }); + }); + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); + } + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, true); + } + function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, false); + } + function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { + var bucket = getBucketForCompilationSettings(compilationSettings, true); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + if (!entry) { + ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); + var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, false); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0, + owners: [] + }; + bucket.set(path, entry); + } + else { + if (entry.sourceFile.version !== version) { + entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + } + } + if (acquiring) { + entry.languageServiceRefCount++; + } + return entry.sourceFile; + } + function releaseDocument(fileName, compilationSettings) { + var bucket = getBucketForCompilationSettings(compilationSettings, false); + ts.Debug.assert(bucket !== undefined); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + bucket.remove(path); + } + } + return { + acquireDocument: acquireDocument, + updateDocument: updateDocument, + releaseDocument: releaseDocument, + reportStats: reportStats + }; + } + ts.createDocumentRegistry = createDocumentRegistry; + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var referencedFiles = []; + var importedFiles = []; + var ambientExternalModules; + var isNoDefaultLib = false; + function processTripleSlashDirectives() { + var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); + ts.forEach(commentRanges, function (commentRange) { + var comment = sourceText.substring(commentRange.pos, commentRange.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); + if (referencePathMatchResult) { + isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var fileReference = referencePathMatchResult.fileReference; + if (fileReference) { + referencedFiles.push(fileReference); + } + } + }); + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; + } + ambientExternalModules.push(scanner.getTokenValue()); + } + function recordModuleName() { + var importPath = scanner.getTokenValue(); + var pos = scanner.getTokenPos(); + importedFiles.push({ + fileName: importPath, + pos: pos, + end: pos + importPath.length + }); + } + function tryConsumeDeclare() { + var token = scanner.getToken(); + if (token === 122) { + token = scanner.scan(); + if (token === 125) { + token = scanner.scan(); + if (token === 9) { + recordAmbientExternalModule(); + } + } + return true; + } + return false; + } + function tryConsumeImport() { + var token = scanner.getToken(); + if (token === 89) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + return true; + } + else { + if (token === 69 || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + return true; + } + } + else if (token === 56) { + if (tryConsumeRequireCall(true)) { + return true; + } + } + else if (token === 24) { + token = scanner.scan(); + } + else { + return true; + } + } + if (token === 15) { + token = scanner.scan(); + while (token !== 16 && token !== 1) { + token = scanner.scan(); + } + if (token === 16) { + token = scanner.scan(); + if (token === 133) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + } + } + } + } + else if (token === 37) { + token = scanner.scan(); + if (token === 116) { + token = scanner.scan(); + if (token === 69 || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + } + } + } + } + } + } + return true; + } + return false; + } + function tryConsumeExport() { + var token = scanner.getToken(); + if (token === 82) { + token = scanner.scan(); + if (token === 15) { + token = scanner.scan(); + while (token !== 16 && token !== 1) { + token = scanner.scan(); + } + if (token === 16) { + token = scanner.scan(); + if (token === 133) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + } + } + } + } + else if (token === 37) { + token = scanner.scan(); + if (token === 133) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + } + } + } + else if (token === 89) { + token = scanner.scan(); + if (token === 69 || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 56) { + if (tryConsumeRequireCall(true)) { + return true; + } + } + } + } + return true; + } + return false; + } + function tryConsumeRequireCall(skipCurrentToken) { + var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); + if (token === 127) { + token = scanner.scan(); + if (token === 17) { + token = scanner.scan(); + if (token === 9) { + recordModuleName(); + } + } + return true; + } + return false; + } + function tryConsumeDefine() { + var token = scanner.getToken(); + if (token === 69 && scanner.getTokenValue() === "define") { + token = scanner.scan(); + if (token !== 17) { + return true; + } + token = scanner.scan(); + if (token === 9) { + token = scanner.scan(); + if (token === 24) { + token = scanner.scan(); + } + else { + return true; + } + } + if (token !== 19) { + return true; + } + token = scanner.scan(); + var i = 0; + while (token !== 20 && token !== 1) { + if (token === 9) { + recordModuleName(); + i++; + } + token = scanner.scan(); + } + return true; + } + return false; + } + function processImports() { + scanner.setText(sourceText); + scanner.scan(); + while (true) { + if (scanner.getToken() === 1) { + break; + } + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(false) || tryConsumeDefine()))) { + continue; + } + else { + scanner.scan(); + } + } + scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + processTripleSlashDirectives(); + return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; + } + ts.preProcessFile = preProcessFile; + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 210 && referenceNode.label.text === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + function isJumpStatementTarget(node) { + return node.kind === 69 && + (node.parent.kind === 206 || node.parent.kind === 205) && + node.parent.label === node; + } + function isLabelOfLabeledStatement(node) { + return node.kind === 69 && + node.parent.kind === 210 && + node.parent.label === node; + } + function isLabeledBy(node, labelName) { + for (var owner = node.parent; owner.kind === 210; owner = owner.parent) { + if (owner.label.text === labelName) { + return true; + } + } + return false; + } + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + function isRightSideOfQualifiedName(node) { + return node.parent.kind === 136 && node.parent.right === node; + } + function isRightSideOfPropertyAccess(node) { + return node && node.parent && node.parent.kind === 169 && node.parent.name === node; + } + function isCallExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 171 && node.parent.expression === node; + } + function isNewExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 172 && node.parent.expression === node; + } + function isNameOfModuleDeclaration(node) { + return node.parent.kind === 221 && node.parent.name === node; + } + function isNameOfFunctionDeclaration(node) { + return node.kind === 69 && + ts.isFunctionLike(node.parent) && node.parent.name === node; + } + function isNameOfPropertyAssignment(node) { + return (node.kind === 69 || node.kind === 9 || node.kind === 8) && + (node.parent.kind === 248 || node.parent.kind === 249) && node.parent.name === node; + } + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + if (node.kind === 9 || node.kind === 8) { + switch (node.parent.kind) { + case 142: + case 141: + case 248: + case 250: + case 144: + case 143: + case 146: + case 147: + case 221: + return node.parent.name === node; + case 170: + return node.parent.argumentExpression === node; + } + } + return false; + } + function isNameOfExternalModuleImportOrDeclaration(node) { + if (node.kind === 9) { + return isNameOfModuleDeclaration(node) || + (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); + } + return false; + } + function isInsideComment(sourceFile, token, position) { + return position <= token.getStart(sourceFile) && + (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || + isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); + function isInsideCommentRange(comments) { + return ts.forEach(comments, function (comment) { + if (comment.pos < position && position < comment.end) { + return true; + } + else if (position === comment.end) { + var text = sourceFile.text; + var width = comment.end - comment.pos; + if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47) { + return true; + } + else { + return !(text.charCodeAt(comment.end - 1) === 47 && + text.charCodeAt(comment.end - 2) === 42); + } + } + return false; + }); + } + } + var keywordCompletions = []; + for (var i = 70; i <= 135; i++) { + keywordCompletions.push({ + name: ts.tokenToString(i), + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + sortText: "0" + }); + } + function getContainerNode(node) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 251: + case 144: + case 143: + case 216: + case 176: + case 146: + case 147: + case 217: + case 218: + case 220: + case 221: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + function getNodeKind(node) { + switch (node.kind) { + case 221: return ScriptElementKind.moduleElement; + case 217: return ScriptElementKind.classElement; + case 218: return ScriptElementKind.interfaceElement; + case 219: return ScriptElementKind.typeElement; + case 220: return ScriptElementKind.enumElement; + case 214: + return ts.isConst(node) + ? ScriptElementKind.constElement + : ts.isLet(node) + ? ScriptElementKind.letElement + : ScriptElementKind.variableElement; + case 216: return ScriptElementKind.functionElement; + case 146: return ScriptElementKind.memberGetAccessorElement; + case 147: return ScriptElementKind.memberSetAccessorElement; + case 144: + case 143: + return ScriptElementKind.memberFunctionElement; + case 142: + case 141: + return ScriptElementKind.memberVariableElement; + case 150: return ScriptElementKind.indexSignatureElement; + case 149: return ScriptElementKind.constructSignatureElement; + case 148: return ScriptElementKind.callSignatureElement; + case 145: return ScriptElementKind.constructorImplementationElement; + case 138: return ScriptElementKind.typeParameterElement; + case 250: return ScriptElementKind.variableElement; + case 139: return (node.flags & 56) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; + case 224: + case 229: + case 226: + case 233: + case 227: + return ScriptElementKind.alias; + } + return ScriptElementKind.unknown; + } + ts.getNodeKind = getNodeKind; + var CancellationTokenObject = (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken && this.cancellationToken.isCancellationRequested(); + }; + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + throw new ts.OperationCanceledException(); + } + }; + return CancellationTokenObject; + }()); + function createLanguageService(host, documentRegistry) { + if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var syntaxTreeCache = new SyntaxTreeCache(host); + var ruleProvider; + var program; + var lastProjectVersion; + var useCaseSensitivefileNames = false; + var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); + var currentDirectory = host.getCurrentDirectory(); + if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { + ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); + } + function log(message) { + if (host.log) { + host.log(message); + } + } + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + throw new Error("Could not find file: '" + fileName + "'."); + } + return sourceFile; + } + function getRuleProvider(options) { + if (!ruleProvider) { + ruleProvider = new ts.formatting.RulesProvider(); + } + ruleProvider.ensureUpToDate(options); + return ruleProvider; + } + function synchronizeHostData() { + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + var hostCache = new HostCache(host, getCanonicalFileName); + if (programUpToDate()) { + return; + } + var oldSettings = program && program.getCompilerOptions(); + var newSettings = hostCache.compilationSettings(); + var changesInCompilationSettingsAffectSyntax = oldSettings && + (oldSettings.target !== newSettings.target || + oldSettings.module !== newSettings.module || + oldSettings.noResolve !== newSettings.noResolve || + oldSettings.jsx !== newSettings.jsx || + oldSettings.allowJs !== newSettings.allowJs); + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, + getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: function (fileName, data, writeByteOrderMark) { }, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: function (fileName) { + ts.Debug.assert(!host.resolveModuleNames); + return hostCache.getOrCreateEntry(fileName) !== undefined; + }, + readFile: function (fileName) { + var entry = hostCache.getOrCreateEntry(fileName); + return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); + }, + directoryExists: function (directoryName) { + ts.Debug.assert(!host.resolveModuleNames); + return ts.directoryProbablyExists(directoryName, host); + } + }; + if (host.resolveModuleNames) { + compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + } + var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); + if (program) { + var oldSourceFiles = program.getSourceFiles(); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { + documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); + } + } + } + hostCache = undefined; + program = newProgram; + program.getTypeChecker(); + return; + function getOrCreateSourceFile(fileName) { + ts.Debug.assert(hostCache !== undefined); + var hostFileInformation = hostCache.getOrCreateEntry(fileName); + if (!hostFileInformation) { + return undefined; + } + if (!changesInCompilationSettingsAffectSyntax) { + var oldSourceFile = program && program.getSourceFile(fileName); + if (oldSourceFile) { + return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + } + return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + function sourceFileUpToDate(sourceFile) { + if (!sourceFile) { + return false; + } + var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); + return sourceFile.version === hostCache.getVersion(path); + } + function programUpToDate() { + if (!program) { + return false; + } + var rootFileNames = hostCache.getRootFileNames(); + if (program.getSourceFiles().length !== rootFileNames.length) { + return false; + } + for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { + var fileName = rootFileNames_2[_i]; + if (!sourceFileUpToDate(program.getSourceFile(fileName))) { + return false; + } + } + return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); + } + } + function getProgram() { + synchronizeHostData(); + return program; + } + function cleanupSemanticCache() { + } + function dispose() { + if (program) { + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); + }); + } + } + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); + } + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!program.getCompilerOptions().declaration) { + return semanticDiagnostics; + } + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return ts.concatenate(semanticDiagnostics, declarationDiagnostics); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); + } + function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { + var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); + if (displayName) { + var firstCharCode = displayName.charCodeAt(0); + if ((symbol.flags & 1536) && (firstCharCode === 39 || firstCharCode === 34)) { + return undefined; + } + } + return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); + } + function getCompletionEntryDisplayName(name, target, performCharacterChecks) { + if (!name) { + return undefined; + } + name = ts.stripQuotes(name); + if (!name) { + return undefined; + } + if (performCharacterChecks) { + if (!ts.isIdentifier(name, target)) { + return undefined; + } + } + return name; + } + function getCompletionData(fileName, position) { + var typeChecker = program.getTypeChecker(); + var sourceFile = getValidSourceFile(fileName); + var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); + var isJsDocTagName = false; + var start = new Date().getTime(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); + log("getCompletionData: Get current token: " + (new Date().getTime() - start)); + start = new Date().getTime(); + var insideComment = isInsideComment(sourceFile, currentToken, position); + log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); + if (insideComment) { + if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64) { + isJsDocTagName = true; + } + var insideJsDocTagExpression = false; + var tag = ts.getJsDocTagAtPosition(sourceFile, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + isJsDocTagName = true; + } + switch (tag.kind) { + case 272: + case 270: + case 271: + var tagWithExpression = tag; + if (tagWithExpression.typeExpression) { + insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; + } + break; + } + } + if (isJsDocTagName) { + return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; + } + if (!insideJsDocTagExpression) { + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; + } + } + start = new Date().getTime(); + var previousToken = ts.findPrecedingToken(position, sourceFile); + log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); + var contextToken = previousToken; + if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { + var start_6 = new Date().getTime(); + contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); + log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); + } + var node = currentToken; + var isRightOfDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var location = ts.getTouchingPropertyName(sourceFile, position); + if (contextToken) { + if (isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return undefined; + } + var parent_11 = contextToken.parent, kind = contextToken.kind; + if (kind === 21) { + if (parent_11.kind === 169) { + node = contextToken.parent.expression; + isRightOfDot = true; + } + else if (parent_11.kind === 136) { + node = contextToken.parent.left; + isRightOfDot = true; + } + else { + return undefined; + } + } + else if (sourceFile.languageVariant === 1) { + if (kind === 25) { + isRightOfOpenTag = true; + location = contextToken; + } + else if (kind === 39 && contextToken.parent.kind === 240) { + isStartingCloseTag = true; + location = contextToken; + } + } + } + var semanticStart = new Date().getTime(); + var isMemberCompletion; + var isNewIdentifierLocation; + var symbols = []; + if (isRightOfDot) { + getTypeScriptMemberSymbols(); + } + else if (isRightOfOpenTag) { + var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); + if (tryGetGlobalSymbols()) { + symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455); })); + } + else { + symbols = tagSymbols; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (!typeChecker.isUnknownSymbol(tagSymbol)) { + symbols = [tagSymbol]; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else { + if (!tryGetGlobalSymbols()) { + return undefined; + } + } + log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); + return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; + function getTypeScriptMemberSymbols() { + isMemberCompletion = true; + isNewIdentifierLocation = false; + if (node.kind === 69 || node.kind === 136 || node.kind === 169) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol && symbol.flags & 8388608) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + if (symbol && symbol.flags & 1952) { + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.forEach(exportedSymbols, function (symbol) { + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + }); + } + } + var type = typeChecker.getTypeAtLocation(node); + addTypeProperties(type); + } + function addTypeProperties(type) { + if (type) { + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + } + if (isJavaScriptFile && type.flags & 16384) { + var unionType = type; + for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { + var elementType = _c[_b]; + addTypeProperties(elementType); + } + } + } + } + function tryGetGlobalSymbols() { + var objectLikeContainer; + var namedImportsOrExports; + var jsxContainer; + if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { + return tryGetObjectLikeCompletionSymbols(objectLikeContainer); + } + if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { + return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); + } + if (jsxContainer = tryGetContainingJsxElement(contextToken)) { + var attrsType = void 0; + if ((jsxContainer.kind === 237) || (jsxContainer.kind === 238)) { + attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); + if (attrsType) { + symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); + isMemberCompletion = true; + isNewIdentifierLocation = false; + return true; + } + } + } + isMemberCompletion = false; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + var symbolMeanings = 793056 | 107455 | 1536 | 8388608; + symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); + return true; + } + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; + } + return scope; + } + function isCompletionListBlocker(contextToken) { + var start = new Date().getTime(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 239) { + return true; + } + if (contextToken.kind === 27 && contextToken.parent) { + if (contextToken.parent.kind === 238) { + return true; + } + if (contextToken.parent.kind === 240 || contextToken.parent.kind === 237) { + return contextToken.parent.parent && contextToken.parent.parent.kind === 236; + } + } + return false; + } + function isNewIdentifierDefinitionLocation(previousToken) { + if (previousToken) { + var containingNodeKind = previousToken.parent.kind; + switch (previousToken.kind) { + case 24: + return containingNodeKind === 171 + || containingNodeKind === 145 + || containingNodeKind === 172 + || containingNodeKind === 167 + || containingNodeKind === 184 + || containingNodeKind === 153; + case 17: + return containingNodeKind === 171 + || containingNodeKind === 145 + || containingNodeKind === 172 + || containingNodeKind === 175 + || containingNodeKind === 161; + case 19: + return containingNodeKind === 167 + || containingNodeKind === 150 + || containingNodeKind === 137; + case 125: + case 126: + return true; + case 21: + return containingNodeKind === 221; + case 15: + return containingNodeKind === 217; + case 56: + return containingNodeKind === 214 + || containingNodeKind === 184; + case 12: + return containingNodeKind === 186; + case 13: + return containingNodeKind === 193; + case 112: + case 110: + case 111: + return containingNodeKind === 142; + } + switch (previousToken.getText()) { + case "public": + case "protected": + case "private": + return true; + } + } + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + if (contextToken.kind === 9 + || contextToken.kind === 163 + || contextToken.kind === 10 + || ts.isTemplateLiteralKind(contextToken.kind)) { + var start_7 = contextToken.getStart(); + var end = contextToken.getEnd(); + if (start_7 < position && position < end) { + return true; + } + if (position === end) { + return !!contextToken.isUnterminated + || contextToken.kind === 10; + } + } + return false; + } + function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { + isMemberCompletion = true; + var typeForObject; + var existingMembers; + if (objectLikeContainer.kind === 168) { + isNewIdentifierLocation = true; + typeForObject = typeChecker.getContextualType(objectLikeContainer); + existingMembers = objectLikeContainer.properties; + } + else if (objectLikeContainer.kind === 164) { + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (ts.isVariableLike(rootDeclaration)) { + if (rootDeclaration.initializer || rootDeclaration.type) { + typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); + existingMembers = objectLikeContainer.elements; + } + } + else { + ts.Debug.fail("Root declaration is not variable-like."); + } + } + else { + ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); + } + if (!typeForObject) { + return false; + } + var typeMembers = typeChecker.getPropertiesOfType(typeForObject); + if (typeMembers && typeMembers.length > 0) { + symbols = filterObjectMembersList(typeMembers, existingMembers); + } + return true; + } + function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { + var declarationKind = namedImportsOrExports.kind === 228 ? + 225 : + 231; + var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); + var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; + if (!moduleSpecifier) { + return false; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + var exports; + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); + if (moduleSpecifierSymbol) { + exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); + } + symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; + return true; + } + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15: + case 24: + var parent_12 = contextToken.parent; + if (parent_12 && (parent_12.kind === 168 || parent_12.kind === 164)) { + return parent_12; + } + break; + } + } + return undefined; + } + function tryGetNamedImportsOrExportsForCompletion(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15: + case 24: + switch (contextToken.parent.kind) { + case 228: + case 232: + return contextToken.parent; + } + } + } + return undefined; + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent_13 = contextToken.parent; + switch (contextToken.kind) { + case 26: + case 39: + case 69: + case 241: + case 242: + if (parent_13 && (parent_13.kind === 237 || parent_13.kind === 238)) { + return parent_13; + } + else if (parent_13.kind === 241) { + return parent_13.parent; + } + break; + case 9: + if (parent_13 && ((parent_13.kind === 241) || (parent_13.kind === 242))) { + return parent_13.parent; + } + break; + case 16: + if (parent_13 && + parent_13.kind === 243 && + parent_13.parent && + (parent_13.parent.kind === 241)) { + return parent_13.parent.parent; + } + if (parent_13 && parent_13.kind === 242) { + return parent_13.parent; + } + break; + } + } + return undefined; + } + function isFunction(kind) { + switch (kind) { + case 176: + case 177: + case 216: + case 144: + case 143: + case 146: + case 147: + case 148: + case 149: + case 150: + return true; + } + return false; + } + function isSolelyIdentifierDefinitionLocation(contextToken) { + var containingNodeKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 24: + return containingNodeKind === 214 || + containingNodeKind === 215 || + containingNodeKind === 196 || + containingNodeKind === 220 || + isFunction(containingNodeKind) || + containingNodeKind === 217 || + containingNodeKind === 189 || + containingNodeKind === 218 || + containingNodeKind === 165 || + containingNodeKind === 219; + case 21: + return containingNodeKind === 165; + case 54: + return containingNodeKind === 166; + case 19: + return containingNodeKind === 165; + case 17: + return containingNodeKind === 247 || + isFunction(containingNodeKind); + case 15: + return containingNodeKind === 220 || + containingNodeKind === 218 || + containingNodeKind === 156; + case 23: + return containingNodeKind === 141 && + contextToken.parent && contextToken.parent.parent && + (contextToken.parent.parent.kind === 218 || + contextToken.parent.parent.kind === 156); + case 25: + return containingNodeKind === 217 || + containingNodeKind === 189 || + containingNodeKind === 218 || + containingNodeKind === 219 || + isFunction(containingNodeKind); + case 113: + return containingNodeKind === 142; + case 22: + return containingNodeKind === 139 || + (contextToken.parent && contextToken.parent.parent && + contextToken.parent.parent.kind === 165); + case 112: + case 110: + case 111: + return containingNodeKind === 139; + case 116: + return containingNodeKind === 229 || + containingNodeKind === 233 || + containingNodeKind === 227; + case 73: + case 81: + case 107: + case 87: + case 102: + case 123: + case 129: + case 89: + case 108: + case 74: + case 114: + case 132: + return true; + } + switch (contextToken.getText()) { + case "abstract": + case "async": + case "class": + case "const": + case "declare": + case "enum": + case "function": + case "interface": + case "let": + case "private": + case "protected": + case "public": + case "static": + case "var": + case "yield": + return true; + } + return false; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { + var exisingImportsOrExports = {}; + for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { + var element = namedImportsOrExports_1[_i]; + if (element.getStart() <= position && position <= element.getEnd()) { + continue; + } + var name_35 = element.propertyName || element.name; + exisingImportsOrExports[name_35.text] = true; + } + if (ts.isEmpty(exisingImportsOrExports)) { + return exportsOfModule; + } + return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); + } + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (!existingMembers || existingMembers.length === 0) { + return contextualMemberSymbols; + } + var existingMemberNames = {}; + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + if (m.kind !== 248 && + m.kind !== 249 && + m.kind !== 166 && + m.kind !== 144) { + continue; + } + if (m.getStart() <= position && position <= m.getEnd()) { + continue; + } + var existingName = void 0; + if (m.kind === 166 && m.propertyName) { + if (m.propertyName.kind === 69) { + existingName = m.propertyName.text; + } + } + else { + existingName = m.name.text; + } + existingMemberNames[existingName] = true; + } + return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); + } + function filterJsxAttributes(symbols, attributes) { + var seenNames = {}; + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + if (attr.getStart() <= position && position <= attr.getEnd()) { + continue; + } + if (attr.kind === 241) { + seenNames[attr.name.text] = true; + } + } + return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); + } + } + function getCompletionsAtPosition(fileName, position) { + synchronizeHostData(); + var completionData = getCompletionData(fileName, position); + if (!completionData) { + return undefined; + } + var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; + if (isJsDocTagName) { + return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; + } + var sourceFile = getValidSourceFile(fileName); + var entries = []; + if (ts.isSourceFileJavaScript(sourceFile)) { + var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); + ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); + } + else { + if (!symbols || symbols.length === 0) { + if (sourceFile.languageVariant === 1 && + location.parent && location.parent.kind === 240) { + var tagName = location.parent.parent.openingElement.tagName; + entries.push({ + name: tagName.text, + kind: undefined, + kindModifiers: undefined, + sortText: "0" + }); + } + else { + return undefined; + } + } + getCompletionEntriesFromSymbols(symbols, entries); + } + if (!isMemberCompletion && !isJsDocTagName) { + ts.addRange(entries, keywordCompletions); + } + return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; + function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { + var entries = []; + var target = program.getCompilerOptions().target; + var nameTable = getNameTable(sourceFile); + for (var name_36 in nameTable) { + if (nameTable[name_36] === position) { + continue; + } + if (!uniqueNames[name_36]) { + uniqueNames[name_36] = name_36; + var displayName = getCompletionEntryDisplayName(name_36, target, true); + if (displayName) { + var entry = { + name: displayName, + kind: ScriptElementKind.warning, + kindModifiers: "", + sortText: "1" + }; + entries.push(entry); + } + } + } + return entries; + } + function getAllJsDocCompletionEntries() { + return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: ScriptElementKind.keyword, + kindModifiers: "", + sortText: "0" + }; + })); + } + function createCompletionEntry(symbol, location) { + var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, true, location); + if (!displayName) { + return undefined; + } + return { + name: displayName, + kind: getSymbolKind(symbol, location), + kindModifiers: getSymbolModifiers(symbol), + sortText: "0" + }; + } + function getCompletionEntriesFromSymbols(symbols, entries) { + var start = new Date().getTime(); + var uniqueNames = {}; + if (symbols) { + for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { + var symbol = symbols_4[_i]; + var entry = createCompletionEntry(symbol, location); + if (entry) { + var id = ts.escapeIdentifier(entry.name); + if (!ts.lookUp(uniqueNames, id)) { + entries.push(entry); + uniqueNames[id] = id; + } + } + } + } + log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); + return uniqueNames; + } + } + function getCompletionEntryDetails(fileName, position, entryName) { + synchronizeHostData(); + var completionData = getCompletionData(fileName, position); + if (completionData) { + var symbols = completionData.symbols, location_2 = completionData.location; + var target_2 = program.getCompilerOptions().target; + var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, false, location_2) === entryName ? s : undefined; }); + if (symbol) { + var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; + return { + name: entryName, + kindModifiers: getSymbolModifiers(symbol), + kind: symbolKind, + displayParts: displayParts, + documentation: documentation + }; + } + } + var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); + if (keywordCompletion) { + return { + name: entryName, + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], + documentation: undefined + }; + } + return undefined; + } + function getSymbolKind(symbol, location) { + var flags = symbol.getFlags(); + if (flags & 32) + return ts.getDeclarationOfKind(symbol, 189) ? + ScriptElementKind.localClassElement : ScriptElementKind.classElement; + if (flags & 384) + return ScriptElementKind.enumElement; + if (flags & 524288) + return ScriptElementKind.typeElement; + if (flags & 64) + return ScriptElementKind.interfaceElement; + if (flags & 262144) + return ScriptElementKind.typeParameterElement; + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); + if (result === ScriptElementKind.unknown) { + if (flags & 262144) + return ScriptElementKind.typeParameterElement; + if (flags & 8) + return ScriptElementKind.variableElement; + if (flags & 8388608) + return ScriptElementKind.alias; + if (flags & 1536) + return ScriptElementKind.moduleElement; + } + return result; + } + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { + var typeChecker = program.getTypeChecker(); + if (typeChecker.isUndefinedSymbol(symbol)) { + return ScriptElementKind.variableElement; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return ScriptElementKind.localVariableElement; + } + if (flags & 3) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return ScriptElementKind.parameterElement; + } + else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { + return ScriptElementKind.constElement; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return ScriptElementKind.letElement; + } + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; + } + if (flags & 16) + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; + if (flags & 32768) + return ScriptElementKind.memberGetAccessorElement; + if (flags & 65536) + return ScriptElementKind.memberSetAccessorElement; + if (flags & 8192) + return ScriptElementKind.memberFunctionElement; + if (flags & 16384) + return ScriptElementKind.constructorImplementationElement; + if (flags & 4) { + if (flags & 268435456) { + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 | 3)) { + return ScriptElementKind.memberVariableElement; + } + ts.Debug.assert(!!(rootSymbolFlags & 8192)); + }); + if (!unionPropertyKind) { + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return ScriptElementKind.memberFunctionElement; + } + return ScriptElementKind.memberVariableElement; + } + return unionPropertyKind; + } + return ScriptElementKind.memberVariableElement; + } + return ScriptElementKind.unknown; + } + function getSymbolModifiers(symbol) { + return symbol && symbol.declarations && symbol.declarations.length > 0 + ? ts.getNodeModifiers(symbol.declarations[0]) + : ScriptElementKindModifier.none; + } + function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { + if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } + var typeChecker = program.getTypeChecker(); + var displayParts = []; + var documentation; + var symbolFlags = symbol.flags; + var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); + var hasAddedSymbolInfo; + var type; + if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 || symbolFlags & 8388608) { + if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { + symbolKind = ScriptElementKind.memberVariableElement; + } + var signature = void 0; + type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (type) { + if (location.parent && location.parent.kind === 169) { + var right = location.parent.name; + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + var callExpression = void 0; + if (location.kind === 171 || location.kind === 172) { + callExpression = location; + } + else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { + callExpression = location.parent; + } + if (callExpression) { + var candidateSignatures = []; + signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); + if (!signature && candidateSignatures.length) { + signature = candidateSignatures[0]; + } + var useConstructSignatures = callExpression.kind === 172 || callExpression.expression.kind === 95; + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32)) { + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 8388608) { + symbolKind = ScriptElementKind.alias; + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case ScriptElementKind.memberVariableElement: + case ScriptElementKind.variableElement: + case ScriptElementKind.constElement: + case ScriptElementKind.letElement: + case ScriptElementKind.parameterElement: + case ScriptElementKind.localVariableElement: + displayParts.push(ts.punctuationPart(54)); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92)); + displayParts.push(ts.spacePart()); + } + if (!(type.flags & 65536)) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, undefined, 1)); + } + addSignatureDisplayParts(signature, allSignatures, 8); + break; + default: + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + } + } + else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304)) || + (location.kind === 121 && location.parent.kind === 145)) { + var functionDeclaration = location.parent; + var allSignatures = functionDeclaration.kind === 145 ? type.getConstructSignatures() : type.getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration.kind === 145) { + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 && + !(type.symbol.flags & 2048 || type.symbol.flags & 4096) ? type.symbol : symbol, symbolKind); + } + addSignatureDisplayParts(signature, allSignatures); + hasAddedSymbolInfo = true; + } + } + } + if (symbolFlags & 32 && !hasAddedSymbolInfo) { + if (ts.getDeclarationOfKind(symbol, 189)) { + pushTypePart(ScriptElementKind.localClassElement); + } + else { + displayParts.push(ts.keywordPart(73)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(107)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if (symbolFlags & 524288) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(132)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); + } + if (symbolFlags & 384) { + addNewLineIfDisplayPartsExist(); + if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { + displayParts.push(ts.keywordPart(74)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(81)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536) { + addNewLineIfDisplayPartsExist(); + var declaration = ts.getDeclarationOfKind(symbol, 221); + var isNamespace = declaration && declaration.name && declaration.name.kind === 69; + displayParts.push(ts.keywordPart(isNamespace ? 126 : 125)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144) && (semanticMeaning & 2)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.punctuationPart(17)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(18)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(90)); + displayParts.push(ts.spacePart()); + if (symbol.parent) { + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + var declaration = ts.getDeclarationOfKind(symbol, 138); + ts.Debug.assert(declaration !== undefined); + declaration = declaration.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + var signature = typeChecker.getSignatureFromDeclaration(declaration); + if (declaration.kind === 149) { + displayParts.push(ts.keywordPart(92)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 148 && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32)); + } + else { + displayParts.push(ts.keywordPart(132)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } + } + } + } + if (symbolFlags & 8) { + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = symbol.declarations[0]; + if (declaration.kind === 250) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); + } + } + } + if (symbolFlags & 8388608) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(89)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 224) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(127)); + displayParts.push(ts.punctuationPart(17)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(18)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } + return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== ScriptElementKind.unknown) { + if (type) { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + if (symbolKind === ScriptElementKind.memberVariableElement || + symbolFlags & 3 || + symbolKind === ScriptElementKind.localVariableElement) { + displayParts.push(ts.punctuationPart(54)); + displayParts.push(ts.spacePart()); + if (type.symbol && type.symbol.flags & 262144) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + } + else if (symbolFlags & 16 || + symbolFlags & 8192 || + symbolFlags & 16384 || + symbolFlags & 131072 || + symbolFlags & 98304 || + symbolKind === ScriptElementKind.memberFunctionElement) { + var allSignatures = type.getCallSignatures(); + addSignatureDisplayParts(allSignatures[0], allSignatures); + } + } + } + else { + symbolKind = getSymbolKind(symbol, location); + } + } + if (!documentation) { + documentation = symbol.getDocumentationComment(); + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; + function addNewLineIfDisplayPartsExist() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + } + function addFullSymbolName(symbol, enclosingDeclaration) { + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, undefined, 1 | 2); + ts.addRange(displayParts, fullSymbolDisplayParts); + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + addNewLineIfDisplayPartsExist(); + if (symbolKind) { + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + function pushTypePart(symbolKind) { + switch (symbolKind) { + case ScriptElementKind.variableElement: + case ScriptElementKind.functionElement: + case ScriptElementKind.letElement: + case ScriptElementKind.constElement: + case ScriptElementKind.constructorImplementationElement: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; + default: + displayParts.push(ts.punctuationPart(17)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(18)); + return; + } + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(17)); + displayParts.push(ts.operatorPart(35)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(18)); + } + documentation = signature.getDocumentationComment(); + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (isLabelName(node)) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + switch (node.kind) { + case 69: + case 169: + case 136: + case 97: + case 162: + case 95: + var type = typeChecker.getTypeAtLocation(node); + if (type) { + return { + kind: ScriptElementKind.unknown, + kindModifiers: ScriptElementKindModifier.none, + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), + documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined + }; + } + } + return undefined; + } + var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); + return { + kind: displayPartsDocumentationsAndKind.symbolKind, + kindModifiers: getSymbolModifiers(symbol), + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: displayPartsDocumentationsAndKind.displayParts, + documentation: displayPartsDocumentationsAndKind.documentation + }; + } + function createDefinitionInfo(node, symbolKind, symbolName, containerName) { + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + kind: symbolKind, + name: symbolName, + containerKind: undefined, + containerName: containerName + }; + } + function getDefinitionFromSymbol(symbol, node) { + var typeChecker = program.getTypeChecker(); + var result = []; + var declarations = symbol.getDeclarations(); + var symbolName = typeChecker.symbolToString(symbol); + var symbolKind = getSymbolKind(symbol, node); + var containerSymbol = symbol.parent; + var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; + if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && + !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { + ts.forEach(declarations, function (declaration) { + result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); + }); + } + return result; + function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (isNewExpressionTarget(location) || location.kind === 121) { + if (symbol.flags & 32) { + for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isClassLike(declaration)) { + return tryAddSignature(declaration.members, true, symbolKind, symbolName, containerName, result); + } + } + ts.Debug.fail("Expected declaration to have at least one class-like declaration"); + } + } + return false; + } + function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { + return tryAddSignature(symbol.declarations, false, symbolKind, symbolName, containerName, result); + } + return false; + } + function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { + var declarations = []; + var definition; + ts.forEach(signatureDeclarations, function (d) { + if ((selectConstructors && d.kind === 145) || + (!selectConstructors && (d.kind === 216 || d.kind === 144 || d.kind === 143))) { + declarations.push(d); + if (d.body) + definition = d; + } + }); + if (definition) { + result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); + return true; + } + else if (declarations.length) { + result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); + return true; + } + return false; + } + } + function getDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (isJumpStatementTarget(node)) { + var labelName = node.text; + var label = getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, undefined)] : undefined; + } + var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); + if (comment) { + var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); + if (referenceFile) { + return [{ + fileName: referenceFile.fileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: ScriptElementKind.scriptElement, + name: comment.fileName, + containerName: undefined, + containerKind: undefined + }]; + } + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + if (symbol.flags & 8388608) { + var declaration = symbol.declarations[0]; + if (node.kind === 69 && node.parent === declaration) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + } + if (node.parent.kind === 249) { + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + if (!shorthandSymbol) { + return []; + } + var shorthandDeclarations = shorthandSymbol.getDeclarations(); + var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); + var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); + var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); + return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); + } + return getDefinitionFromSymbol(symbol, node); + } + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + if (!type) { + return undefined; + } + if (type.flags & 16384) { + var result_4 = []; + ts.forEach(type.types, function (t) { + if (t.symbol) { + ts.addRange(result_4, getDefinitionFromSymbol(t.symbol, node)); + } + }); + return result_4; + } + if (!type.symbol) { + return undefined; + } + return getDefinitionFromSymbol(type.symbol, node); + } + function getOccurrencesAtPosition(fileName, position) { + var results = getOccurrencesAtPositionCore(fileName, position); + if (results) { + var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); + results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); + } + return results; + } + function getDocumentHighlights(fileName, position, filesToSearch) { + synchronizeHostData(); + filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); + var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingWord(sourceFile, position); + if (!node) { + return undefined; + } + return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); + function getHighlightSpanForNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + return { + fileName: sourceFile.fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + kind: HighlightSpanKind.none + }; + } + function getSemanticDocumentHighlights(node) { + if (node.kind === 69 || + node.kind === 97 || + node.kind === 162 || + node.kind === 95 || + isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, false, false); + return convertReferencedSymbols(referencedSymbols); + } + return undefined; + function convertReferencedSymbols(referencedSymbols) { + if (!referencedSymbols) { + return undefined; + } + var fileNameToDocumentHighlights = {}; + var result = []; + for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { + var referencedSymbol = referencedSymbols_1[_i]; + for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { + var referenceEntry = _b[_a]; + var fileName_1 = referenceEntry.fileName; + var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); + if (!documentHighlights) { + documentHighlights = { fileName: fileName_1, highlightSpans: [] }; + fileNameToDocumentHighlights[fileName_1] = documentHighlights; + result.push(documentHighlights); + } + documentHighlights.highlightSpans.push({ + textSpan: referenceEntry.textSpan, + kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference + }); + } + } + return result; + } + } + function getSyntacticDocumentHighlights(node) { + var fileName = sourceFile.fileName; + var highlightSpans = getHighlightSpans(node); + if (!highlightSpans || highlightSpans.length === 0) { + return undefined; + } + return [{ fileName: fileName, highlightSpans: highlightSpans }]; + function hasKind(node, kind) { + return node !== undefined && node.kind === kind; + } + function parent(node) { + return node && node.parent; + } + function getHighlightSpans(node) { + if (node) { + switch (node.kind) { + case 88: + case 80: + if (hasKind(node.parent, 199)) { + return getIfElseOccurrences(node.parent); + } + break; + case 94: + if (hasKind(node.parent, 207)) { + return getReturnOccurrences(node.parent); + } + break; + case 98: + if (hasKind(node.parent, 211)) { + return getThrowOccurrences(node.parent); + } + break; + case 72: + if (hasKind(parent(parent(node)), 212)) { + return getTryCatchFinallyOccurrences(node.parent.parent); + } + break; + case 100: + case 85: + if (hasKind(parent(node), 212)) { + return getTryCatchFinallyOccurrences(node.parent); + } + break; + case 96: + if (hasKind(node.parent, 209)) { + return getSwitchCaseDefaultOccurrences(node.parent); + } + break; + case 71: + case 77: + if (hasKind(parent(parent(parent(node))), 209)) { + return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); + } + break; + case 70: + case 75: + if (hasKind(node.parent, 206) || hasKind(node.parent, 205)) { + return getBreakOrContinueStatementOccurrences(node.parent); + } + break; + case 86: + if (hasKind(node.parent, 202) || + hasKind(node.parent, 203) || + hasKind(node.parent, 204)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 104: + case 79: + if (hasKind(node.parent, 201) || hasKind(node.parent, 200)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 121: + if (hasKind(node.parent, 145)) { + return getConstructorOccurrences(node.parent); + } + break; + case 123: + case 129: + if (hasKind(node.parent, 146) || hasKind(node.parent, 147)) { + return getGetAndSetOccurrences(node.parent); + } + break; + default: + if (ts.isModifierKind(node.kind) && node.parent && + (ts.isDeclaration(node.parent) || node.parent.kind === 196)) { + return getModifierOccurrences(node.kind, node.parent); + } + } + } + return undefined; + } + function aggregateOwnedThrowStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 211) { + statementAccumulator.push(node); + } + else if (node.kind === 212) { + var tryStatement = node; + if (tryStatement.catchClause) { + aggregate(tryStatement.catchClause); + } + else { + aggregate(tryStatement.tryBlock); + } + if (tryStatement.finallyBlock) { + aggregate(tryStatement.finallyBlock); + } + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + function getThrowStatementOwner(throwStatement) { + var child = throwStatement; + while (child.parent) { + var parent_14 = child.parent; + if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251) { + return parent_14; + } + if (parent_14.kind === 212) { + var tryStatement = parent_14; + if (tryStatement.tryBlock === child && tryStatement.catchClause) { + return child; + } + } + child = parent_14; + } + return undefined; + } + function aggregateAllBreakAndContinueStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 206 || node.kind === 205) { + statementAccumulator.push(node); + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + function ownsBreakOrContinueStatement(owner, statement) { + var actualOwner = getBreakOrContinueOwner(statement); + return actualOwner && actualOwner === owner; + } + function getBreakOrContinueOwner(statement) { + for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { + switch (node_2.kind) { + case 209: + if (statement.kind === 205) { + continue; + } + case 202: + case 203: + case 204: + case 201: + case 200: + if (!statement.label || isLabeledBy(node_2, statement.label.text)) { + return node_2; + } + break; + default: + if (ts.isFunctionLike(node_2)) { + return undefined; + } + break; + } + } + return undefined; + } + function getModifierOccurrences(modifier, declaration) { + var container = declaration.parent; + if (ts.isAccessibilityModifier(modifier)) { + if (!(container.kind === 217 || + container.kind === 189 || + (declaration.kind === 139 && hasKind(container, 145)))) { + return undefined; + } + } + else if (modifier === 113) { + if (!(container.kind === 217 || container.kind === 189)) { + return undefined; + } + } + else if (modifier === 82 || modifier === 122) { + if (!(container.kind === 222 || container.kind === 251)) { + return undefined; + } + } + else if (modifier === 115) { + if (!(container.kind === 217 || declaration.kind === 217)) { + return undefined; + } + } + else { + return undefined; + } + var keywords = []; + var modifierFlag = getFlagFromModifier(modifier); + var nodes; + switch (container.kind) { + case 222: + case 251: + if (modifierFlag & 128) { + nodes = declaration.members.concat(declaration); + } + else { + nodes = container.statements; + } + break; + case 145: + nodes = container.parameters.concat(container.parent.members); + break; + case 217: + case 189: + nodes = container.members; + if (modifierFlag & 56) { + var constructor = ts.forEach(container.members, function (member) { + return member.kind === 145 && member; + }); + if (constructor) { + nodes = nodes.concat(constructor.parameters); + } + } + else if (modifierFlag & 128) { + nodes = nodes.concat(container); + } + break; + default: + ts.Debug.fail("Invalid container kind."); + } + ts.forEach(nodes, function (node) { + if (node.modifiers && node.flags & modifierFlag) { + ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + function getFlagFromModifier(modifier) { + switch (modifier) { + case 112: + return 8; + case 110: + return 16; + case 111: + return 32; + case 113: + return 64; + case 82: + return 2; + case 122: + return 4; + case 115: + return 128; + default: + ts.Debug.fail(); + } + } + } + function pushKeywordIf(keywordList, token) { + var expected = []; + for (var _i = 2; _i < arguments.length; _i++) { + expected[_i - 2] = arguments[_i]; + } + if (token && ts.contains(expected, token.kind)) { + keywordList.push(token); + return true; + } + return false; + } + function getGetAndSetOccurrences(accessorDeclaration) { + var keywords = []; + tryPushAccessorKeyword(accessorDeclaration.symbol, 146); + tryPushAccessorKeyword(accessorDeclaration.symbol, 147); + return ts.map(keywords, getHighlightSpanForNode); + function tryPushAccessorKeyword(accessorSymbol, accessorKind) { + var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); + if (accessor) { + ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123, 129); }); + } + } + } + function getConstructorOccurrences(constructorDeclaration) { + var declarations = constructorDeclaration.symbol.getDeclarations(); + var keywords = []; + ts.forEach(declarations, function (declaration) { + ts.forEach(declaration.getChildren(), function (token) { + return pushKeywordIf(keywords, token, 121); + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getLoopBreakContinueOccurrences(loopNode) { + var keywords = []; + if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86, 104, 79)) { + if (loopNode.kind === 200) { + var loopTokens = loopNode.getChildren(); + for (var i = loopTokens.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 104)) { + break; + } + } + } + } + var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70, 75); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 202: + case 203: + case 204: + case 200: + case 201: + return getLoopBreakContinueOccurrences(owner); + case 209: + return getSwitchCaseDefaultOccurrences(owner); + } + } + return undefined; + } + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 96); + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 71, 77); + var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70); + } + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getTryCatchFinallyOccurrences(tryStatement) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 100); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72); + } + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 85); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getThrowOccurrences(throwStatement) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; + } + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98); + }); + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94); + }); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getReturnOccurrences(returnStatement) { + var func = ts.getContainingFunction(returnStatement); + if (!(func && hasKind(func.body, 195))) { + return undefined; + } + var keywords = []; + ts.forEachReturnStatement(func.body, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94); + }); + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getIfElseOccurrences(ifStatement) { + var keywords = []; + while (hasKind(ifStatement.parent, 199) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; + } + while (ifStatement) { + var children = ifStatement.getChildren(); + pushKeywordIf(keywords, children[0], 88); + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 80)) { + break; + } + } + if (!hasKind(ifStatement.elseStatement, 199)) { + break; + } + ifStatement = ifStatement.elseStatement; + } + var result = []; + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 80 && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; + var shouldCombindElseAndIf = true; + for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { + shouldCombindElseAndIf = false; + break; + } + } + if (shouldCombindElseAndIf) { + result.push({ + fileName: fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: HighlightSpanKind.reference + }); + i++; + continue; + } + } + result.push(getHighlightSpanForNode(keywords[i])); + } + return result; + } + } + } + function getOccurrencesAtPositionCore(fileName, position) { + synchronizeHostData(); + return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); + function convertDocumentHighlights(documentHighlights) { + if (!documentHighlights) { + return undefined; + } + var result = []; + for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { + var entry = documentHighlights_1[_i]; + for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { + var highlightSpan = _b[_a]; + result.push({ + fileName: entry.fileName, + textSpan: highlightSpan.textSpan, + isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference + }); + } + } + return result; + } + } + function convertReferences(referenceSymbols) { + if (!referenceSymbols) { + return undefined; + } + var referenceEntries = []; + for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { + var referenceSymbol = referenceSymbols_1[_i]; + ts.addRange(referenceEntries, referenceSymbol.references); + } + return referenceEntries; + } + function findRenameLocations(fileName, position, findInStrings, findInComments) { + var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); + return convertReferences(referencedSymbols); + } + function getReferencesAtPosition(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return convertReferences(referencedSymbols); + } + function findReferences(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, false, false); + return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); + } + function findReferencedSymbols(fileName, position, findInStrings, findInComments) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (node.kind !== 69 && + !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && + !isNameOfExternalModuleImportOrDeclaration(node)) { + return undefined; + } + ts.Debug.assert(node.kind === 69 || node.kind === 8 || node.kind === 9); + return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); + } + function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { + var typeChecker = program.getTypeChecker(); + if (isLabelName(node)) { + if (isJumpStatementTarget(node)) { + var labelDefinition = getTargetLabel(node.parent, node.text); + return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + } + else { + return getLabelReferencesInNode(node.parent, node); + } + } + if (node.kind === 97 || node.kind === 162) { + return getReferencesForThisKeyword(node, sourceFiles); + } + if (node.kind === 95) { + return getReferencesForSuperKeyword(node); + } + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + var declarations = symbol.declarations; + if (!declarations || !declarations.length) { + return undefined; + } + var result; + var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); + var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var scope = getSymbolScope(symbol); + var symbolToIndex = []; + if (scope) { + result = []; + getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + else { + var internedName = getInternedName(symbol, node, declarations); + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + cancellationToken.throwIfCancellationRequested(); + var nameTable = getNameTable(sourceFile); + if (ts.lookUp(nameTable, internedName) !== undefined) { + result = result || []; + getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + } + } + return result; + function getDefinition(symbol) { + var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); + var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) { + return undefined; + } + return { + containerKind: "", + containerName: "", + name: name, + kind: info.symbolKind, + fileName: declarations[0].getSourceFile().fileName, + textSpan: ts.createTextSpan(declarations[0].getStart(), 0) + }; + } + function isImportSpecifierSymbol(symbol) { + return (symbol.flags & 8388608) && !!ts.getDeclarationOfKind(symbol, 229); + } + function getInternedName(symbol, location, declarations) { + if (ts.isImportOrExportSpecifierName(location)) { + return location.getText(); + } + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + symbol = localExportDefaultSymbol || symbol; + return ts.stripQuotes(symbol.name); + } + function getSymbolScope(symbol) { + var valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 176 || valueDeclaration.kind === 189)) { + return valueDeclaration; + } + if (symbol.flags & (4 | 8192)) { + var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16) ? d : undefined; }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 217); + } + } + if (symbol.flags & 8388608) { + return undefined; + } + if (symbol.parent || (symbol.flags & 268435456)) { + return undefined; + } + var scope; + var declarations = symbol.getDeclarations(); + if (declarations) { + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + var container = getContainerNode(declaration); + if (!container) { + return undefined; + } + if (scope && scope !== container) { + return undefined; + } + if (container.kind === 251 && !ts.isExternalModule(container)) { + return undefined; + } + scope = container; + } + } + return scope; + } + function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { + var positions = []; + if (!symbolName || !symbolName.length) { + return positions; + } + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, start); + while (position >= 0) { + cancellationToken.throwIfCancellationRequested(); + if (position > end) + break; + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2))) { + positions.push(position); + } + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var references = []; + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.getWidth() !== labelName.length) { + return; + } + if (node === targetLabel || + (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = { + containerKind: "", + containerName: "", + fileName: targetLabel.getSourceFile().fileName, + kind: ScriptElementKind.label, + name: labelName, + textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) + }; + return [{ definition: definition, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + if (node) { + switch (node.kind) { + case 69: + return node.getWidth() === searchSymbolName.length; + case 9: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + return node.getWidth() === searchSymbolName.length + 2; + } + break; + case 8: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + return node.getWidth() === searchSymbolName.length; + } + break; + } + } + return false; + } + function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { + var sourceFile = container.getSourceFile(); + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { + var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); + referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); + } + } + }); + } + return; + function getReferencedSymbol(symbol) { + var symbolId = ts.getSymbolId(symbol); + var index = symbolToIndex[symbolId]; + if (index === undefined) { + index = result.length; + symbolToIndex[symbolId] = index; + result.push({ + definition: getDefinition(symbol), + references: [] + }); + } + return result[index]; + } + function isInNonReferenceComment(sourceFile, position) { + return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); + function isNonReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return !tripleSlashDirectivePrefixRegex.test(commentText); + } + } + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, false); + if (!searchSpaceNode) { + return undefined; + } + var staticFlag = 64; + switch (searchSpaceNode.kind) { + case 142: + case 141: + case 144: + case 143: + case 145: + case 146: + case 147: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; + break; + default: + return undefined; + } + var references = []; + var sourceFile = searchSpaceNode.getSourceFile(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.kind !== 95) { + return; + } + var container = ts.getSuperContainer(node, false); + if (container && (64 & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = getDefinition(searchSpaceNode.symbol); + return [{ definition: definition, references: references }]; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, false); + var staticFlag = 64; + switch (searchSpaceNode.kind) { + case 144: + case 143: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + break; + } + case 142: + case 141: + case 145: + case 146: + case 147: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; + break; + case 251: + if (ts.isExternalModule(searchSpaceNode)) { + return undefined; + } + case 216: + case 176: + break; + default: + return undefined; + } + var references = []; + var possiblePositions; + if (searchSpaceNode.kind === 251) { + ts.forEach(sourceFiles, function (sourceFile) { + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); + getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); + }); + } + else { + var sourceFile = searchSpaceNode.getSourceFile(); + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); + } + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ScriptElementKind.variableElement, + name: "this", + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) + }, + references: references + }]; + function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || (node.kind !== 97 && node.kind !== 162)) { + return; + } + var container = ts.getThisContainer(node, false); + switch (searchSpaceNode.kind) { + case 176: + case 216: + if (searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 144: + case 143: + if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 189: + case 217: + if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64) === staticFlag) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 251: + if (container.kind === 251 && !ts.isExternalModule(container)) { + result.push(getReferenceEntryFromNode(node)); + } + break; + } + }); + } + } + function populateSearchSymbolSet(symbol, location) { + var result = [symbol]; + if (isImportSpecifierSymbol(symbol)) { + result.push(typeChecker.getAliasedSymbol(symbol)); + } + if (location.parent.kind === 233) { + result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); + } + if (isNameOfPropertyAssignment(location)) { + ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { + ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); + }); + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); + if (shorthandValueSymbol) { + result.push(shorthandValueSymbol); + } + } + if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 && + ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { + result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); + } + ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + if (rootSymbol !== symbol) { + result.push(rootSymbol); + } + if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, {}); + } + }); + return result; + } + function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { + if (!symbol) { + return; + } + if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { + return; + } + if (symbol.flags & (32 | 64)) { + ts.forEach(symbol.getDeclarations(), function (declaration) { + if (declaration.kind === 217) { + getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); + ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); + } + else if (declaration.kind === 218) { + ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); + } + }); + } + return; + function getPropertySymbolFromTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type) { + var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); + if (propertySymbol) { + result.push(propertySymbol); + } + previousIterationSymbolsCache[symbol.name] = symbol; + getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + } + } + } + } + function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { + if (searchSymbols.indexOf(referenceSymbol) >= 0) { + return referenceSymbol; + } + if (isImportSpecifierSymbol(referenceSymbol)) { + var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + if (referenceLocation.parent.kind === 233) { + var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + if (isNameOfPropertyAssignment(referenceLocation)) { + return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { + return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + }); + } + return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { + if (searchSymbols.indexOf(rootSymbol) >= 0) { + return rootSymbol; + } + if (rootSymbol.parent && rootSymbol.parent.flags & (32 | 64)) { + var result_5 = []; + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, {}); + return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + } + return undefined; + }); + } + function getPropertySymbolsFromContextualType(node) { + if (isNameOfPropertyAssignment(node)) { + var objectLiteral = node.parent.parent; + var contextualType = typeChecker.getContextualType(objectLiteral); + var name_37 = node.text; + if (contextualType) { + if (contextualType.flags & 16384) { + var unionProperty = contextualType.getProperty(name_37); + if (unionProperty) { + return [unionProperty]; + } + else { + var result_6 = []; + ts.forEach(contextualType.types, function (t) { + var symbol = t.getProperty(name_37); + if (symbol) { + result_6.push(symbol); + } + }); + return result_6; + } + } + else { + var symbol_1 = contextualType.getProperty(name_37); + if (symbol_1) { + return [symbol_1]; + } + } + } + } + return undefined; + } + function getIntersectingMeaningFromDeclarations(meaning, declarations) { + if (declarations) { + var lastIterationMeaning = void 0; + do { + lastIterationMeaning = meaning; + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + var declarationMeaning = getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } + } + } while (meaning !== lastIterationMeaning); + } + return meaning; + } + } + function getReferenceEntryFromNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + if (node.kind === 9) { + start += 1; + end -= 1; + } + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + isWriteAccess: isWriteAccess(node) + }; + } + function isWriteAccess(node) { + if (node.kind === 69 && ts.isDeclarationName(node)) { + return true; + } + var parent = node.parent; + if (parent) { + if (parent.kind === 183 || parent.kind === 182) { + return true; + } + else if (parent.kind === 184 && parent.left === node) { + var operator = parent.operatorToken.kind; + return 56 <= operator && operator <= 68; + } + } + return false; + } + function getNavigateToItems(searchValue, maxResultCount) { + synchronizeHostData(); + return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); + } + function getEmitOutput(fileName) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var outputFiles = []; + function writeFile(fileName, data, writeByteOrderMark) { + outputFiles.push({ + name: fileName, + writeByteOrderMark: writeByteOrderMark, + text: data + }); + } + var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); + return { + outputFiles: outputFiles, + emitSkipped: emitOutput.emitSkipped + }; + } + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 139: + case 214: + case 166: + case 142: + case 141: + case 248: + case 249: + case 250: + case 144: + case 143: + case 145: + case 146: + case 147: + case 216: + case 176: + case 177: + case 247: + return 1; + case 138: + case 218: + case 219: + case 156: + return 2; + case 217: + case 220: + return 1 | 2; + case 221: + if (ts.isAmbientModule(node)) { + return 4 | 1; + } + else if (ts.getModuleInstanceState(node) === 1) { + return 4 | 1; + } + else { + return 4; + } + case 228: + case 229: + case 224: + case 225: + case 230: + case 231: + return 1 | 2 | 4; + case 251: + return 4 | 1; + } + return 1 | 2 | 4; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return node.parent.kind === 152 || + (node.parent.kind === 191 && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || + (node.kind === 97 && !ts.isExpression(node)) || + node.kind === 162; + } + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 169) { + while (root.parent && root.parent.kind === 169) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 191 && root.parent.parent.kind === 246) { + var decl = root.parent.parent.parent; + return (decl.kind === 217 && root.parent.parent.token === 106) || + (decl.kind === 218 && root.parent.parent.token === 83); + } + return false; + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 136) { + while (root.parent && root.parent.kind === 136) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 152 && !isLastClause; + } + function isInRightSideOfImport(node) { + while (node.parent.kind === 136) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + function getMeaningFromRightHandSideOfImportEquals(node) { + ts.Debug.assert(node.kind === 69); + if (node.parent.kind === 136 && + node.parent.right === node && + node.parent.parent.kind === 224) { + return 1 | 2 | 4; + } + return 4; + } + function getMeaningFromLocation(node) { + if (node.parent.kind === 230) { + return 1 | 2 | 4; + } + else if (isInRightSideOfImport(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(node.parent); + } + else if (isTypeReference(node)) { + return 2; + } + else if (isNamespaceReference(node)) { + return 4; + } + else { + return 1; + } + } + function getSignatureHelpItems(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); + } + function getSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (!node) { + return; + } + switch (node.kind) { + case 169: + case 136: + case 9: + case 163: + case 84: + case 99: + case 93: + case 95: + case 97: + case 162: + case 69: + break; + default: + return; + } + var nodeForStartPos = node; + while (true) { + if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { + nodeForStartPos = nodeForStartPos.parent; + } + else if (isNameOfModuleDeclaration(nodeForStartPos)) { + if (nodeForStartPos.parent.parent.kind === 221 && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + break; + } + } + else { + break; + } + } + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); + } + function getSemanticClassifications(fileName, span) { + return convertClassifications(getEncodedSemanticClassifications(fileName, span)); + } + function checkForClassificationCancellation(kind) { + switch (kind) { + case 221: + case 217: + case 218: + case 216: + cancellationToken.throwIfCancellationRequested(); + } + } + function getEncodedSemanticClassifications(fileName, span) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var result = []; + var classifiableNames = program.getClassifiableNames(); + processNode(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifySymbol(symbol, meaningAtPosition) { + var flags = symbol.getFlags(); + if ((flags & 788448) === 0) { + return; + } + if (flags & 32) { + return 11; + } + else if (flags & 384) { + return 12; + } + else if (flags & 524288) { + return 16; + } + else if (meaningAtPosition & 2) { + if (flags & 64) { + return 13; + } + else if (flags & 262144) { + return 15; + } + } + else if (flags & 1536) { + if (meaningAtPosition & 4 || + (meaningAtPosition & 1 && hasValueSideModule(symbol))) { + return 14; + } + } + return undefined; + function hasValueSideModule(symbol) { + return ts.forEach(symbol.declarations, function (declaration) { + return declaration.kind === 221 && + ts.getModuleInstanceState(declaration) === 1; + }); + } + } + function processNode(node) { + if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { + var kind = node.kind; + checkForClassificationCancellation(kind); + if (kind === 69 && !ts.nodeIsMissing(node)) { + var identifier = node; + if (classifiableNames[identifier.text]) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var type = classifySymbol(symbol, getMeaningFromLocation(node)); + if (type) { + pushClassification(node.getStart(), node.getWidth(), type); + } + } + } + } + ts.forEachChild(node, processNode); + } + } + } + function getClassificationTypeName(type) { + switch (type) { + case 1: return ClassificationTypeNames.comment; + case 2: return ClassificationTypeNames.identifier; + case 3: return ClassificationTypeNames.keyword; + case 4: return ClassificationTypeNames.numericLiteral; + case 5: return ClassificationTypeNames.operator; + case 6: return ClassificationTypeNames.stringLiteral; + case 8: return ClassificationTypeNames.whiteSpace; + case 9: return ClassificationTypeNames.text; + case 10: return ClassificationTypeNames.punctuation; + case 11: return ClassificationTypeNames.className; + case 12: return ClassificationTypeNames.enumName; + case 13: return ClassificationTypeNames.interfaceName; + case 14: return ClassificationTypeNames.moduleName; + case 15: return ClassificationTypeNames.typeParameterName; + case 16: return ClassificationTypeNames.typeAliasName; + case 17: return ClassificationTypeNames.parameterName; + case 18: return ClassificationTypeNames.docCommentTagName; + case 19: return ClassificationTypeNames.jsxOpenTagName; + case 20: return ClassificationTypeNames.jsxCloseTagName; + case 21: return ClassificationTypeNames.jsxSelfClosingTagName; + case 22: return ClassificationTypeNames.jsxAttribute; + case 23: return ClassificationTypeNames.jsxText; + case 24: return ClassificationTypeNames.jsxAttributeStringLiteralValue; + } + } + function convertClassifications(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0, n = dense.length; i < n; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + function getSyntacticClassifications(fileName, span) { + return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); + } + function getEncodedSyntacticClassifications(fileName, span) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var spanStart = span.start; + var spanLength = span.length; + var triviaScanner = ts.createScanner(2, false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(2, false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; + } + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + if (!ts.isTrivia(kind)) { + return start; + } + if (kind === 4 || kind === 5) { + continue; + } + if (ts.isComment(kind)) { + classifyComment(token, kind, start, width); + triviaScanner.setTextPos(end); + continue; + } + if (kind === 7) { + var text = sourceFile.text; + var ch = text.charCodeAt(start); + if (ch === 60 || ch === 62) { + pushClassification(start, width, 1); + continue; + } + ts.Debug.assert(ch === 61); + classifyDisabledMergeCode(text, start, end); + } + } + } + function classifyComment(token, kind, start, width) { + if (kind === 3) { + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { + docCommentAndDiagnostics.jsDocComment.parent = token; + classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); + return; + } + } + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1); + } + function classifyJSDocComment(docComment) { + var pos = docComment.pos; + for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10); + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18); + pos = tag.tagName.end; + switch (tag.kind) { + case 270: + processJSDocParameterTag(tag); + break; + case 273: + processJSDocTemplateTag(tag); + break; + case 272: + processElement(tag.typeExpression); + break; + case 271: + processElement(tag.typeExpression); + break; + } + pos = tag.end; + } + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); + } + return; + function processJSDocParameterTag(tag) { + if (tag.preParameterName) { + pushCommentRange(pos, tag.preParameterName.pos - pos); + pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17); + pos = tag.preParameterName.end; + } + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (tag.postParameterName) { + pushCommentRange(pos, tag.postParameterName.pos - pos); + pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17); + pos = tag.postParameterName.end; + } + } + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; + } + } + pushClassification(start, i - start, 1); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + function tryClassifyNode(node) { + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 239 && classifiedElementName === undefined) { + return false; + } + var tokenStart = node.kind === 239 ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); + } + } + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 238: + if (token.parent.tagName === token) { + return 19; + } + break; + case 240: + if (token.parent.tagName === token) { + return 20; + } + break; + case 237: + if (token.parent.tagName === token) { + return 21; + } + break; + case 241: + if (token.parent.name === token) { + return 22; + } + break; + } + return undefined; + } + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3; + } + if (tokenKind === 25 || tokenKind === 27) { + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10; + } + } + if (ts.isPunctuation(tokenKind)) { + if (token) { + if (tokenKind === 56) { + if (token.parent.kind === 214 || + token.parent.kind === 142 || + token.parent.kind === 139 || + token.parent.kind === 241) { + return 5; + } + } + if (token.parent.kind === 184 || + token.parent.kind === 182 || + token.parent.kind === 183 || + token.parent.kind === 185) { + return 5; + } + } + return 10; + } + else if (tokenKind === 8) { + return 4; + } + else if (tokenKind === 9 || tokenKind === 163) { + return token.parent.kind === 241 ? 24 : 6; + } + else if (tokenKind === 10) { + return 6; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + return 6; + } + else if (tokenKind === 239) { + return 23; + } + else if (tokenKind === 69) { + if (token) { + switch (token.parent.kind) { + case 217: + if (token.parent.name === token) { + return 11; + } + return; + case 138: + if (token.parent.name === token) { + return 15; + } + return; + case 218: + if (token.parent.name === token) { + return 13; + } + return; + case 220: + if (token.parent.name === token) { + return 12; + } + return; + case 221: + if (token.parent.name === token) { + return 14; + } + return; + case 139: + if (token.parent.name === token) { + return 17; + } + return; + } + } + return 2; + } + } + function processElement(element) { + if (!element) { + return; + } + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(element.kind); + var children = element.getChildren(sourceFile); + for (var i = 0, n = children.length; i < n; i++) { + var child = children[i]; + if (!tryClassifyNode(child)) { + processElement(child); + } + } + } + } + } + function getOutliningSpans(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile); + } + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var result = []; + var token = ts.getTouchingToken(sourceFile, position); + if (token.getStart(sourceFile) === position) { + var matchKind = getMatchingTokenKind(token); + if (matchKind) { + var parentElement = token.parent; + var childNodes = parentElement.getChildren(sourceFile); + for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { + var current = childNodes_1[_i]; + if (current.kind === matchKind) { + var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); + var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); + if (range1.start < range2.start) { + result.push(range1, range2); + } + else { + result.push(range2, range1); + } + break; + } + } + } + } + return result; + function getMatchingTokenKind(token) { + switch (token.kind) { + case 15: return 16; + case 17: return 18; + case 19: return 20; + case 25: return 27; + case 16: return 15; + case 18: return 17; + case 20: return 19; + case 27: return 25; + } + return undefined; + } + } + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = new Date().getTime(); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); + start = new Date().getTime(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); + log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); + return result; + } + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsForDocument(fileName, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (key === "}") { + return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); + } + else if (key === ";") { + return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); + } + else if (key === "\n") { + return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); + } + return []; + } + function getDocCommentTemplateAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { + return undefined; + } + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var tokenStart = tokenAtPos.getStart(); + if (!tokenAtPos || tokenStart < position) { + return undefined; + } + var commentOwner; + findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { + switch (commentOwner.kind) { + case 216: + case 144: + case 145: + case 217: + case 196: + break findOwner; + case 251: + return undefined; + case 221: + if (commentOwner.parent.kind === 221) { + return undefined; + } + break findOwner; + } + } + if (!commentOwner || commentOwner.getStart() < position) { + return undefined; + } + var parameters = getParametersForJsDocOwningNode(commentOwner); + var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); + var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; + var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); + var newLine = ts.getNewLineOrDefaultFromHost(host); + var docParams = ""; + for (var i = 0, numParams = parameters.length; i < numParams; i++) { + var currentName = parameters[i].name; + var paramName = currentName.kind === 69 ? + currentName.text : + "param" + i; + docParams += indentationStr + " * @param " + paramName + newLine; + } + var preamble = "/**" + newLine + + indentationStr + " * "; + var result = preamble + newLine + + docParams + + indentationStr + " */" + + (tokenStart === position ? newLine + indentationStr : ""); + return { newText: result, caretOffset: preamble.length }; + } + function getParametersForJsDocOwningNode(commentOwner) { + if (ts.isFunctionLike(commentOwner)) { + return commentOwner.parameters; + } + if (commentOwner.kind === 196) { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + if (varDeclarations.length === 1 && varDeclarations[0].initializer) { + return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + } + } + return emptyArray; + } + function getParametersFromRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 175) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 176: + case 177: + return rightHandSide.parameters; + case 189: + for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 145) { + return member.parameters; + } + } + break; + } + return emptyArray; + } + function getTodoComments(fileName, descriptors) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + if (descriptors.length > 0) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + var token = ts.getTokenAtPosition(sourceFile, matchPosition); + if (!isInsideComment(sourceFile, token, matchPosition)) { + continue; + } + var descriptor = undefined; + for (var i = 0, n = descriptors.length; i < n; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + ts.Debug.assert(descriptor !== undefined); + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ + descriptor: descriptor, + message: message, + position: matchPosition + }); + } + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 && char <= 122) || + (char >= 65 && char <= 90) || + (char >= 48 && char <= 57); + } + } + function getRenameInfo(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var node = ts.getTouchingWord(sourceFile, position); + if (node && node.kind === 69) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var declarations = symbol.getDeclarations(); + if (declarations && declarations.length > 0) { + var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); + var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); + if (defaultLibFileName) { + for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { + var current = declarations_10[_i]; + var sourceFile_3 = current.getSourceFile(); + if (!sourceFile_3) { + continue; + } + var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); + if (canonicalName === canonicalDefaultLibName) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + } + } + var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var kind = getSymbolKind(symbol, node); + if (kind) { + return { + canRename: true, + kind: kind, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: typeChecker.getFullyQualifiedName(symbol), + kindModifiers: getSymbolModifiers(symbol), + triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) + }; + } + } + } + } + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); + function getRenameInfoError(localizedErrorMessage) { + return { + canRename: false, + localizedErrorMessage: localizedErrorMessage, + displayName: undefined, + fullDisplayName: undefined, + kind: undefined, + kindModifiers: undefined, + triggerSpan: undefined + }; + } + } + return { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + getEmitOutput: getEmitOutput, + getSourceFile: getSourceFile, + getProgram: getProgram + }; + } + ts.createLanguageService = createLanguageService; + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); + } + return sourceFile.nameTable; + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = {}; + walk(sourceFile); + sourceFile.nameTable = nameTable; + function walk(node) { + switch (node.kind) { + case 69: + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + break; + case 9: + case 8: + if (ts.isDeclarationName(node) || + node.parent.kind === 235 || + isArgumentOfElementAccessExpression(node)) { + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + } + break; + default: + ts.forEachChild(node, walk); + } + } + } + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 170 && + node.parent.argumentExpression === node; + } + function createClassifier() { + var scanner = ts.createScanner(2, false); + var noRegexTable = []; + noRegexTable[69] = true; + noRegexTable[9] = true; + noRegexTable[8] = true; + noRegexTable[10] = true; + noRegexTable[97] = true; + noRegexTable[41] = true; + noRegexTable[42] = true; + noRegexTable[18] = true; + noRegexTable[20] = true; + noRegexTable[16] = true; + noRegexTable[99] = true; + noRegexTable[84] = true; + var templateStack = []; + function canFollow(keyword1, keyword2) { + if (ts.isAccessibilityModifier(keyword1)) { + if (keyword2 === 123 || + keyword2 === 129 || + keyword2 === 121 || + keyword2 === 113) { + return true; + } + return false; + } + return true; + } + function convertClassifications(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0, n = dense.length; i < n; i += 3) { + var start = dense[i]; + var length_3 = dense[i + 1]; + var type = dense[i + 2]; + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); + } + } + entries.push({ length: length_3, classification: convertClassification(type) }); + lastEnd = start + length_3; + } + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); + } + return { entries: entries, finalLexState: classifications.endOfLineState }; + } + function convertClassification(type) { + switch (type) { + case 1: return TokenClass.Comment; + case 3: return TokenClass.Keyword; + case 4: return TokenClass.NumberLiteral; + case 5: return TokenClass.Operator; + case 6: return TokenClass.StringLiteral; + case 8: return TokenClass.Whitespace; + case 10: return TokenClass.Punctuation; + case 2: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 9: + case 17: + default: + return TokenClass.Identifier; + } + } + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var offset = 0; + var token = 0; + var lastNonTriviaToken = 0; + while (templateStack.length > 0) { + templateStack.pop(); + } + switch (lexState) { + case 3: + text = "\"\\\n" + text; + offset = 3; + break; + case 2: + text = "'\\\n" + text; + offset = 3; + break; + case 1: + text = "/*\n" + text; + offset = 3; + break; + case 4: + text = "`\n" + text; + offset = 2; + break; + case 5: + text = "}\n" + text; + offset = 2; + case 6: + templateStack.push(12); + break; + } + scanner.setText(text); + var result = { + endOfLineState: 0, + spans: [] + }; + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + if ((token === 39 || token === 61) && !noRegexTable[lastNonTriviaToken]) { + if (scanner.reScanSlashToken() === 10) { + token = 10; + } + } + else if (lastNonTriviaToken === 21 && isKeyword(token)) { + token = 69; + } + else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + token = 69; + } + else if (lastNonTriviaToken === 69 && + token === 25) { + angleBracketStack++; + } + else if (token === 27 && angleBracketStack > 0) { + angleBracketStack--; + } + else if (token === 117 || + token === 130 || + token === 128 || + token === 120 || + token === 131) { + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + token = 69; + } + } + else if (token === 12) { + templateStack.push(token); + } + else if (token === 15) { + if (templateStack.length > 0) { + templateStack.push(token); + } + } + else if (token === 16) { + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 12) { + token = scanner.reScanTemplateToken(); + if (token === 14) { + templateStack.pop(); + } + else { + ts.Debug.assert(token === 13, "Should have been a template middle. Was " + token); + } + } + else { + ts.Debug.assert(lastTemplateStackToken === 15, "Should have been an open brace. Was: " + token); + templateStack.pop(); + } + } + } + lastNonTriviaToken = token; + } + processToken(); + } while (token !== 1); + return result; + function processToken() { + var start = scanner.getTokenPos(); + var end = scanner.getTextPos(); + addResult(start, end, classFromKind(token)); + if (end >= text.length) { + if (token === 9 || token === 163) { + var tokenText = scanner.getTokenText(); + if (scanner.isUnterminated()) { + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92) { + numBackslashes++; + } + if (numBackslashes & 1) { + var quoteChar = tokenText.charCodeAt(0); + result.endOfLineState = quoteChar === 34 + ? 3 + : 2; + } + } + } + else if (token === 3) { + if (scanner.isUnterminated()) { + result.endOfLineState = 1; + } + } + else if (ts.isTemplateLiteralKind(token)) { + if (scanner.isUnterminated()) { + if (token === 14) { + result.endOfLineState = 5; + } + else if (token === 11) { + result.endOfLineState = 4; + } + else { + ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } + } + } + else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12) { + result.endOfLineState = 6; + } + } + } + function addResult(start, end, classification) { + if (classification === 8) { + return; + } + if (start === 0 && offset > 0) { + start += offset; + } + start -= offset; + end -= offset; + var length = end - start; + if (length > 0) { + result.spans.push(start); + result.spans.push(length); + result.spans.push(classification); + } + } + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 37: + case 39: + case 40: + case 35: + case 36: + case 43: + case 44: + case 45: + case 25: + case 27: + case 28: + case 29: + case 91: + case 90: + case 116: + case 30: + case 31: + case 32: + case 33: + case 46: + case 48: + case 47: + case 51: + case 52: + case 67: + case 66: + case 68: + case 63: + case 64: + case 65: + case 57: + case 58: + case 59: + case 61: + case 62: + case 56: + case 24: + return true; + default: + return false; + } + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 35: + case 36: + case 50: + case 49: + case 41: + case 42: + return true; + default: + return false; + } + } + function isKeyword(token) { + return token >= 70 && token <= 135; + } + function classFromKind(token) { + if (isKeyword(token)) { + return 3; + } + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5; + } + else if (token >= 15 && token <= 68) { + return 10; + } + switch (token) { + case 8: + return 4; + case 9: + case 163: + return 6; + case 10: + return 7; + case 7: + case 3: + case 2: + return 1; + case 5: + case 4: + return 8; + case 69: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6; + } + return 2; + } + } + return { + getClassificationsForLine: getClassificationsForLine, + getEncodedLexicalClassifications: getEncodedLexicalClassifications + }; + } + ts.createClassifier = createClassifier; + function getDefaultLibFilePath(options) { + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + function initializeServices() { + ts.objectAllocator = { + getNodeConstructor: function () { return NodeObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; } + }; + } + initializeServices(); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + var spaceCache = []; + function generateSpaces(n) { + if (!spaceCache[n]) { + var strBuilder = ""; + for (var i = 0; i < n; i++) { + strBuilder += " "; + } + spaceCache[n] = strBuilder; + } + return spaceCache[n]; + } + server.generateSpaces = generateSpaces; + function generateIndentString(n, editorOptions) { + if (editorOptions.ConvertTabsToSpaces) { + return generateSpaces(n); + } + else { + var result = ""; + for (var i = 0; i < Math.floor(n / editorOptions.TabSize); i++) { + result += "\t"; + } + for (var i = 0; i < n % editorOptions.TabSize; i++) { + result += " "; + } + return result; + } + } + server.generateIndentString = generateIndentString; + function compareNumber(a, b) { + if (a < b) { + return -1; + } + else if (a === b) { + return 0; + } + else + return 1; + } + function compareFileStart(a, b) { + if (a.file < b.file) { + return -1; + } + else if (a.file == b.file) { + var n = compareNumber(a.start.line, b.start.line); + if (n === 0) { + return compareNumber(a.start.offset, b.start.offset); + } + else + return n; + } + else { + return 1; + } + } + function formatDiag(fileName, project, diag) { + return { + start: project.compilerService.host.positionToLineOffset(fileName, diag.start), + end: project.compilerService.host.positionToLineOffset(fileName, diag.start + diag.length), + text: ts.flattenDiagnosticMessageText(diag.messageText, "\n") + }; + } + function allEditsBeforePos(edits, pos) { + for (var i = 0, len = edits.length; i < len; i++) { + if (ts.textSpanEnd(edits[i].span) >= pos) { + return false; + } + } + return true; + } + var CommandNames; + (function (CommandNames) { + CommandNames.Brace = "brace"; + CommandNames.Change = "change"; + CommandNames.Close = "close"; + CommandNames.Completions = "completions"; + CommandNames.CompletionDetails = "completionEntryDetails"; + CommandNames.Configure = "configure"; + CommandNames.Definition = "definition"; + CommandNames.Exit = "exit"; + CommandNames.Format = "format"; + CommandNames.Formatonkey = "formatonkey"; + CommandNames.Geterr = "geterr"; + CommandNames.GeterrForProject = "geterrForProject"; + CommandNames.NavBar = "navbar"; + CommandNames.Navto = "navto"; + CommandNames.Occurrences = "occurrences"; + CommandNames.DocumentHighlights = "documentHighlights"; + CommandNames.Open = "open"; + CommandNames.Quickinfo = "quickinfo"; + CommandNames.References = "references"; + CommandNames.Reload = "reload"; + CommandNames.Rename = "rename"; + CommandNames.Saveto = "saveto"; + CommandNames.SignatureHelp = "signatureHelp"; + CommandNames.TypeDefinition = "typeDefinition"; + CommandNames.ProjectInfo = "projectInfo"; + CommandNames.ReloadProjects = "reloadProjects"; + CommandNames.Unknown = "unknown"; + })(CommandNames = server.CommandNames || (server.CommandNames = {})); + var Errors; + (function (Errors) { + Errors.NoProject = new Error("No Project."); + })(Errors || (Errors = {})); + var Session = (function () { + function Session(host, byteLength, hrtime, logger) { + var _this = this; + this.host = host; + this.byteLength = byteLength; + this.hrtime = hrtime; + this.logger = logger; + this.changeSeq = 0; + this.handlers = (_a = {}, + _a[CommandNames.Exit] = function () { + _this.exit(); + return { responseRequired: false }; + }, + _a[CommandNames.Definition] = function (request) { + var defArgs = request.arguments; + return { response: _this.getDefinition(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; + }, + _a[CommandNames.TypeDefinition] = function (request) { + var defArgs = request.arguments; + return { response: _this.getTypeDefinition(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; + }, + _a[CommandNames.References] = function (request) { + var defArgs = request.arguments; + return { response: _this.getReferences(defArgs.line, defArgs.offset, defArgs.file), responseRequired: true }; + }, + _a[CommandNames.Rename] = function (request) { + var renameArgs = request.arguments; + return { response: _this.getRenameLocations(renameArgs.line, renameArgs.offset, renameArgs.file, renameArgs.findInComments, renameArgs.findInStrings), responseRequired: true }; + }, + _a[CommandNames.Open] = function (request) { + var openArgs = request.arguments; + _this.openClientFile(openArgs.file, openArgs.fileContent); + return { responseRequired: false }; + }, + _a[CommandNames.Quickinfo] = function (request) { + var quickinfoArgs = request.arguments; + return { response: _this.getQuickInfo(quickinfoArgs.line, quickinfoArgs.offset, quickinfoArgs.file), responseRequired: true }; + }, + _a[CommandNames.Format] = function (request) { + var formatArgs = request.arguments; + return { response: _this.getFormattingEditsForRange(formatArgs.line, formatArgs.offset, formatArgs.endLine, formatArgs.endOffset, formatArgs.file), responseRequired: true }; + }, + _a[CommandNames.Formatonkey] = function (request) { + var formatOnKeyArgs = request.arguments; + return { response: _this.getFormattingEditsAfterKeystroke(formatOnKeyArgs.line, formatOnKeyArgs.offset, formatOnKeyArgs.key, formatOnKeyArgs.file), responseRequired: true }; + }, + _a[CommandNames.Completions] = function (request) { + var completionsArgs = request.arguments; + return { response: _this.getCompletions(completionsArgs.line, completionsArgs.offset, completionsArgs.prefix, completionsArgs.file), responseRequired: true }; + }, + _a[CommandNames.CompletionDetails] = function (request) { + var completionDetailsArgs = request.arguments; + return { response: _this.getCompletionEntryDetails(completionDetailsArgs.line, completionDetailsArgs.offset, completionDetailsArgs.entryNames, completionDetailsArgs.file), responseRequired: true }; + }, + _a[CommandNames.SignatureHelp] = function (request) { + var signatureHelpArgs = request.arguments; + return { response: _this.getSignatureHelpItems(signatureHelpArgs.line, signatureHelpArgs.offset, signatureHelpArgs.file), responseRequired: true }; + }, + _a[CommandNames.Geterr] = function (request) { + var geterrArgs = request.arguments; + return { response: _this.getDiagnostics(geterrArgs.delay, geterrArgs.files), responseRequired: false }; + }, + _a[CommandNames.GeterrForProject] = function (request) { + var _a = request.arguments, file = _a.file, delay = _a.delay; + return { response: _this.getDiagnosticsForProject(delay, file), responseRequired: false }; + }, + _a[CommandNames.Change] = function (request) { + var changeArgs = request.arguments; + _this.change(changeArgs.line, changeArgs.offset, changeArgs.endLine, changeArgs.endOffset, changeArgs.insertString, changeArgs.file); + return { responseRequired: false }; + }, + _a[CommandNames.Configure] = function (request) { + var configureArgs = request.arguments; + _this.projectService.setHostConfiguration(configureArgs); + _this.output(undefined, CommandNames.Configure, request.seq); + return { responseRequired: false }; + }, + _a[CommandNames.Reload] = function (request) { + var reloadArgs = request.arguments; + _this.reload(reloadArgs.file, reloadArgs.tmpfile, request.seq); + return { responseRequired: false }; + }, + _a[CommandNames.Saveto] = function (request) { + var savetoArgs = request.arguments; + _this.saveToTmp(savetoArgs.file, savetoArgs.tmpfile); + return { responseRequired: false }; + }, + _a[CommandNames.Close] = function (request) { + var closeArgs = request.arguments; + _this.closeClientFile(closeArgs.file); + return { responseRequired: false }; + }, + _a[CommandNames.Navto] = function (request) { + var navtoArgs = request.arguments; + return { response: _this.getNavigateToItems(navtoArgs.searchValue, navtoArgs.file, navtoArgs.maxResultCount), responseRequired: true }; + }, + _a[CommandNames.Brace] = function (request) { + var braceArguments = request.arguments; + return { response: _this.getBraceMatching(braceArguments.line, braceArguments.offset, braceArguments.file), responseRequired: true }; + }, + _a[CommandNames.NavBar] = function (request) { + var navBarArgs = request.arguments; + return { response: _this.getNavigationBarItems(navBarArgs.file), responseRequired: true }; + }, + _a[CommandNames.Occurrences] = function (request) { + var _a = request.arguments, line = _a.line, offset = _a.offset, fileName = _a.file; + return { response: _this.getOccurrences(line, offset, fileName), responseRequired: true }; + }, + _a[CommandNames.DocumentHighlights] = function (request) { + var _a = request.arguments, line = _a.line, offset = _a.offset, fileName = _a.file, filesToSearch = _a.filesToSearch; + return { response: _this.getDocumentHighlights(line, offset, fileName, filesToSearch), responseRequired: true }; + }, + _a[CommandNames.ProjectInfo] = function (request) { + var _a = request.arguments, file = _a.file, needFileNameList = _a.needFileNameList; + return { response: _this.getProjectInfo(file, needFileNameList), responseRequired: true }; + }, + _a[CommandNames.ReloadProjects] = function (request) { + _this.reloadProjects(); + return { responseRequired: false }; + }, + _a + ); + this.projectService = + new server.ProjectService(host, logger, function (eventName, project, fileName) { + _this.handleEvent(eventName, project, fileName); + }); + var _a; + } + Session.prototype.handleEvent = function (eventName, project, fileName) { + var _this = this; + if (eventName == "context") { + this.projectService.log("got context event, updating diagnostics for" + fileName, "Info"); + this.updateErrorCheck([{ fileName: fileName, project: project }], this.changeSeq, function (n) { return n === _this.changeSeq; }, 100); + } + }; + Session.prototype.logError = function (err, cmd) { + var typedErr = err; + var msg = "Exception on executing command " + cmd; + if (typedErr.message) { + msg += ":\n" + typedErr.message; + if (typedErr.stack) { + msg += "\n" + typedErr.stack; + } + } + this.projectService.log(msg); + }; + Session.prototype.sendLineToClient = function (line) { + this.host.write(line + this.host.newLine); + }; + Session.prototype.send = function (msg) { + var json = JSON.stringify(msg); + if (this.logger.isVerbose()) { + this.logger.info(msg.type + ": " + json); + } + this.sendLineToClient("Content-Length: " + (1 + this.byteLength(json, "utf8")) + + "\r\n\r\n" + json); + }; + Session.prototype.event = function (info, eventName) { + var ev = { + seq: 0, + type: "event", + event: eventName, + body: info + }; + this.send(ev); + }; + Session.prototype.response = function (info, cmdName, reqSeq, errorMsg) { + if (reqSeq === void 0) { reqSeq = 0; } + var res = { + seq: 0, + type: "response", + command: cmdName, + request_seq: reqSeq, + success: !errorMsg + }; + if (!errorMsg) { + res.body = info; + } + else { + res.message = errorMsg; + } + this.send(res); + }; + Session.prototype.output = function (body, commandName, requestSequence, errorMessage) { + if (requestSequence === void 0) { requestSequence = 0; } + this.response(body, commandName, requestSequence, errorMessage); + }; + Session.prototype.semanticCheck = function (file, project) { + try { + var diags = project.compilerService.languageService.getSemanticDiagnostics(file); + if (diags) { + var bakedDiags = diags.map(function (diag) { return formatDiag(file, project, diag); }); + this.event({ file: file, diagnostics: bakedDiags }, "semanticDiag"); + } + } + catch (err) { + this.logError(err, "semantic check"); + } + }; + Session.prototype.syntacticCheck = function (file, project) { + try { + var diags = project.compilerService.languageService.getSyntacticDiagnostics(file); + if (diags) { + var bakedDiags = diags.map(function (diag) { return formatDiag(file, project, diag); }); + this.event({ file: file, diagnostics: bakedDiags }, "syntaxDiag"); + } + } + catch (err) { + this.logError(err, "syntactic check"); + } + }; + Session.prototype.reloadProjects = function () { + this.projectService.reloadProjects(); + }; + Session.prototype.updateProjectStructure = function (seq, matchSeq, ms) { + var _this = this; + if (ms === void 0) { ms = 1500; } + setTimeout(function () { + if (matchSeq(seq)) { + _this.projectService.updateProjectStructure(); + } + }, ms); + }; + Session.prototype.updateErrorCheck = function (checkList, seq, matchSeq, ms, followMs, requireOpen) { + var _this = this; + if (ms === void 0) { ms = 1500; } + if (followMs === void 0) { followMs = 200; } + if (requireOpen === void 0) { requireOpen = true; } + if (followMs > ms) { + followMs = ms; + } + if (this.errorTimer) { + clearTimeout(this.errorTimer); + } + if (this.immediateId) { + clearImmediate(this.immediateId); + this.immediateId = undefined; + } + var index = 0; + var checkOne = function () { + if (matchSeq(seq)) { + var checkSpec_1 = checkList[index]; + index++; + if (checkSpec_1.project.getSourceFileFromName(checkSpec_1.fileName, requireOpen)) { + _this.syntacticCheck(checkSpec_1.fileName, checkSpec_1.project); + _this.immediateId = setImmediate(function () { + _this.semanticCheck(checkSpec_1.fileName, checkSpec_1.project); + _this.immediateId = undefined; + if (checkList.length > index) { + _this.errorTimer = setTimeout(checkOne, followMs); + } + else { + _this.errorTimer = undefined; + } + }); + } + } + }; + if ((checkList.length > index) && (matchSeq(seq))) { + this.errorTimer = setTimeout(checkOne, ms); + } + }; + Session.prototype.getDefinition = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var definitions = compilerService.languageService.getDefinitionAtPosition(file, position); + if (!definitions) { + return undefined; + } + return definitions.map(function (def) { return ({ + file: def.fileName, + start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start), + end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan)) + }); }); + }; + Session.prototype.getTypeDefinition = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var definitions = compilerService.languageService.getTypeDefinitionAtPosition(file, position); + if (!definitions) { + return undefined; + } + return definitions.map(function (def) { return ({ + file: def.fileName, + start: compilerService.host.positionToLineOffset(def.fileName, def.textSpan.start), + end: compilerService.host.positionToLineOffset(def.fileName, ts.textSpanEnd(def.textSpan)) + }); }); + }; + Session.prototype.getOccurrences = function (line, offset, fileName) { + fileName = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(fileName); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(fileName, line, offset); + var occurrences = compilerService.languageService.getOccurrencesAtPosition(fileName, position); + if (!occurrences) { + return undefined; + } + return occurrences.map(function (occurrence) { + var fileName = occurrence.fileName, isWriteAccess = occurrence.isWriteAccess, textSpan = occurrence.textSpan; + var start = compilerService.host.positionToLineOffset(fileName, textSpan.start); + var end = compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(textSpan)); + return { + start: start, + end: end, + file: fileName, + isWriteAccess: isWriteAccess + }; + }); + }; + Session.prototype.getDocumentHighlights = function (line, offset, fileName, filesToSearch) { + fileName = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(fileName); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(fileName, line, offset); + var documentHighlights = compilerService.languageService.getDocumentHighlights(fileName, position, filesToSearch); + if (!documentHighlights) { + return undefined; + } + return documentHighlights.map(convertToDocumentHighlightsItem); + function convertToDocumentHighlightsItem(documentHighlights) { + var fileName = documentHighlights.fileName, highlightSpans = documentHighlights.highlightSpans; + return { + file: fileName, + highlightSpans: highlightSpans.map(convertHighlightSpan) + }; + function convertHighlightSpan(highlightSpan) { + var textSpan = highlightSpan.textSpan, kind = highlightSpan.kind; + var start = compilerService.host.positionToLineOffset(fileName, textSpan.start); + var end = compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(textSpan)); + return { start: start, end: end, kind: kind }; + } + } + }; + Session.prototype.getProjectInfo = function (fileName, needFileNameList) { + fileName = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(fileName); + var projectInfo = { + configFileName: project.projectFilename + }; + if (needFileNameList) { + projectInfo.fileNames = project.getFileNames(); + } + return projectInfo; + }; + Session.prototype.getRenameLocations = function (line, offset, fileName, findInComments, findInStrings) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var renameInfo = compilerService.languageService.getRenameInfo(file, position); + if (!renameInfo) { + return undefined; + } + if (!renameInfo.canRename) { + return { + info: renameInfo, + locs: [] + }; + } + var renameLocations = compilerService.languageService.findRenameLocations(file, position, findInStrings, findInComments); + if (!renameLocations) { + return undefined; + } + var bakedRenameLocs = renameLocations.map(function (location) { return ({ + file: location.fileName, + start: compilerService.host.positionToLineOffset(location.fileName, location.textSpan.start), + end: compilerService.host.positionToLineOffset(location.fileName, ts.textSpanEnd(location.textSpan)) + }); }).sort(function (a, b) { + if (a.file < b.file) { + return -1; + } + else if (a.file > b.file) { + return 1; + } + else { + if (a.start.line < b.start.line) { + return 1; + } + else if (a.start.line > b.start.line) { + return -1; + } + else { + return b.start.offset - a.start.offset; + } + } + }).reduce(function (accum, cur) { + var curFileAccum; + if (accum.length > 0) { + curFileAccum = accum[accum.length - 1]; + if (curFileAccum.file != cur.file) { + curFileAccum = undefined; + } + } + if (!curFileAccum) { + curFileAccum = { file: cur.file, locs: [] }; + accum.push(curFileAccum); + } + curFileAccum.locs.push({ start: cur.start, end: cur.end }); + return accum; + }, []); + return { info: renameInfo, locs: bakedRenameLocs }; + }; + Session.prototype.getReferences = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var references = compilerService.languageService.getReferencesAtPosition(file, position); + if (!references) { + return undefined; + } + var nameInfo = compilerService.languageService.getQuickInfoAtPosition(file, position); + if (!nameInfo) { + return undefined; + } + var displayString = ts.displayPartsToString(nameInfo.displayParts); + var nameSpan = nameInfo.textSpan; + var nameColStart = compilerService.host.positionToLineOffset(file, nameSpan.start).offset; + var nameText = compilerService.host.getScriptSnapshot(file).getText(nameSpan.start, ts.textSpanEnd(nameSpan)); + var bakedRefs = references.map(function (ref) { + var start = compilerService.host.positionToLineOffset(ref.fileName, ref.textSpan.start); + var refLineSpan = compilerService.host.lineToTextSpan(ref.fileName, start.line - 1); + var snap = compilerService.host.getScriptSnapshot(ref.fileName); + var lineText = snap.getText(refLineSpan.start, ts.textSpanEnd(refLineSpan)).replace(/\r|\n/g, ""); + return { + file: ref.fileName, + start: start, + lineText: lineText, + end: compilerService.host.positionToLineOffset(ref.fileName, ts.textSpanEnd(ref.textSpan)), + isWriteAccess: ref.isWriteAccess + }; + }).sort(compareFileStart); + return { + refs: bakedRefs, + symbolName: nameText, + symbolStartOffset: nameColStart, + symbolDisplayString: displayString + }; + }; + Session.prototype.openClientFile = function (fileName, fileContent) { + var file = ts.normalizePath(fileName); + this.projectService.openClientFile(file, fileContent); + }; + Session.prototype.getQuickInfo = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var quickInfo = compilerService.languageService.getQuickInfoAtPosition(file, position); + if (!quickInfo) { + return undefined; + } + var displayString = ts.displayPartsToString(quickInfo.displayParts); + var docString = ts.displayPartsToString(quickInfo.documentation); + return { + kind: quickInfo.kind, + kindModifiers: quickInfo.kindModifiers, + start: compilerService.host.positionToLineOffset(file, quickInfo.textSpan.start), + end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(quickInfo.textSpan)), + displayString: displayString, + documentation: docString + }; + }; + Session.prototype.getFormattingEditsForRange = function (line, offset, endLine, endOffset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var startPosition = compilerService.host.lineOffsetToPosition(file, line, offset); + var endPosition = compilerService.host.lineOffsetToPosition(file, endLine, endOffset); + var edits = compilerService.languageService.getFormattingEditsForRange(file, startPosition, endPosition, this.projectService.getFormatCodeOptions(file)); + if (!edits) { + return undefined; + } + return edits.map(function (edit) { + return { + start: compilerService.host.positionToLineOffset(file, edit.span.start), + end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(edit.span)), + newText: edit.newText ? edit.newText : "" + }; + }); + }; + Session.prototype.getFormattingEditsAfterKeystroke = function (line, offset, key, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var formatOptions = this.projectService.getFormatCodeOptions(file); + var edits = compilerService.languageService.getFormattingEditsAfterKeystroke(file, position, key, formatOptions); + if ((key == "\n") && ((!edits) || (edits.length === 0) || allEditsBeforePos(edits, position))) { + var scriptInfo = compilerService.host.getScriptInfo(file); + if (scriptInfo) { + var lineInfo = scriptInfo.getLineInfo(line); + if (lineInfo && (lineInfo.leaf) && (lineInfo.leaf.text)) { + var lineText = lineInfo.leaf.text; + if (lineText.search("\\S") < 0) { + var editorOptions = { + IndentSize: formatOptions.IndentSize, + TabSize: formatOptions.TabSize, + NewLineCharacter: "\n", + ConvertTabsToSpaces: formatOptions.ConvertTabsToSpaces, + IndentStyle: ts.IndentStyle.Smart + }; + var preferredIndent = compilerService.languageService.getIndentationAtPosition(file, position, editorOptions); + var hasIndent = 0; + var i = void 0, len = void 0; + for (i = 0, len = lineText.length; i < len; i++) { + if (lineText.charAt(i) == " ") { + hasIndent++; + } + else if (lineText.charAt(i) == "\t") { + hasIndent += editorOptions.TabSize; + } + else { + break; + } + } + if (preferredIndent !== hasIndent) { + var firstNoWhiteSpacePosition = lineInfo.offset + i; + edits.push({ + span: ts.createTextSpanFromBounds(lineInfo.offset, firstNoWhiteSpacePosition), + newText: generateIndentString(preferredIndent, editorOptions) + }); + } + } + } + } + } + if (!edits) { + return undefined; + } + return edits.map(function (edit) { + return { + start: compilerService.host.positionToLineOffset(file, edit.span.start), + end: compilerService.host.positionToLineOffset(file, ts.textSpanEnd(edit.span)), + newText: edit.newText ? edit.newText : "" + }; + }); + }; + Session.prototype.getCompletions = function (line, offset, prefix, fileName) { + if (!prefix) { + prefix = ""; + } + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var completions = compilerService.languageService.getCompletionsAtPosition(file, position); + if (!completions) { + return undefined; + } + return completions.entries.reduce(function (result, entry) { + if (completions.isMemberCompletion || (entry.name.toLowerCase().indexOf(prefix.toLowerCase()) === 0)) { + result.push(entry); + } + return result; + }, []).sort(function (a, b) { return a.name.localeCompare(b.name); }); + }; + Session.prototype.getCompletionEntryDetails = function (line, offset, entryNames, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + return entryNames.reduce(function (accum, entryName) { + var details = compilerService.languageService.getCompletionEntryDetails(file, position, entryName); + if (details) { + accum.push(details); + } + return accum; + }, []); + }; + Session.prototype.getSignatureHelpItems = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var helpItems = compilerService.languageService.getSignatureHelpItems(file, position); + if (!helpItems) { + return undefined; + } + var span = helpItems.applicableSpan; + var result = { + items: helpItems.items, + applicableSpan: { + start: compilerService.host.positionToLineOffset(file, span.start), + end: compilerService.host.positionToLineOffset(file, span.start + span.length) + }, + selectedItemIndex: helpItems.selectedItemIndex, + argumentIndex: helpItems.argumentIndex, + argumentCount: helpItems.argumentCount + }; + return result; + }; + Session.prototype.getDiagnostics = function (delay, fileNames) { + var _this = this; + var checkList = fileNames.reduce(function (accum, fileName) { + fileName = ts.normalizePath(fileName); + var project = _this.projectService.getProjectForFile(fileName); + if (project) { + accum.push({ fileName: fileName, project: project }); + } + return accum; + }, []); + if (checkList.length > 0) { + this.updateErrorCheck(checkList, this.changeSeq, function (n) { return n === _this.changeSeq; }, delay); + } + }; + Session.prototype.change = function (line, offset, endLine, endOffset, insertString, fileName) { + var _this = this; + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (project) { + var compilerService = project.compilerService; + var start = compilerService.host.lineOffsetToPosition(file, line, offset); + var end = compilerService.host.lineOffsetToPosition(file, endLine, endOffset); + if (start >= 0) { + compilerService.host.editScript(file, start, end, insertString); + this.changeSeq++; + } + this.updateProjectStructure(this.changeSeq, function (n) { return n === _this.changeSeq; }); + } + }; + Session.prototype.reload = function (fileName, tempFileName, reqSeq) { + var _this = this; + if (reqSeq === void 0) { reqSeq = 0; } + var file = ts.normalizePath(fileName); + var tmpfile = ts.normalizePath(tempFileName); + var project = this.projectService.getProjectForFile(file); + if (project) { + this.changeSeq++; + project.compilerService.host.reloadScript(file, tmpfile, function () { + _this.output(undefined, CommandNames.Reload, reqSeq); + }); + } + }; + Session.prototype.saveToTmp = function (fileName, tempFileName) { + var file = ts.normalizePath(fileName); + var tmpfile = ts.normalizePath(tempFileName); + var project = this.projectService.getProjectForFile(file); + if (project) { + project.compilerService.host.saveTo(file, tmpfile); + } + }; + Session.prototype.closeClientFile = function (fileName) { + if (!fileName) { + return; + } + var file = ts.normalizePath(fileName); + this.projectService.closeClientFile(file); + }; + Session.prototype.decorateNavigationBarItem = function (project, fileName, items) { + var _this = this; + if (!items) { + return undefined; + } + var compilerService = project.compilerService; + return items.map(function (item) { return ({ + text: item.text, + kind: item.kind, + kindModifiers: item.kindModifiers, + spans: item.spans.map(function (span) { return ({ + start: compilerService.host.positionToLineOffset(fileName, span.start), + end: compilerService.host.positionToLineOffset(fileName, ts.textSpanEnd(span)) + }); }), + childItems: _this.decorateNavigationBarItem(project, fileName, item.childItems) + }); }); + }; + Session.prototype.getNavigationBarItems = function (fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var items = compilerService.languageService.getNavigationBarItems(file); + if (!items) { + return undefined; + } + return this.decorateNavigationBarItem(project, fileName, items); + }; + Session.prototype.getNavigateToItems = function (searchValue, fileName, maxResultCount) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var navItems = compilerService.languageService.getNavigateToItems(searchValue, maxResultCount); + if (!navItems) { + return undefined; + } + return navItems.map(function (navItem) { + var start = compilerService.host.positionToLineOffset(navItem.fileName, navItem.textSpan.start); + var end = compilerService.host.positionToLineOffset(navItem.fileName, ts.textSpanEnd(navItem.textSpan)); + var bakedItem = { + name: navItem.name, + kind: navItem.kind, + file: navItem.fileName, + start: start, + end: end + }; + if (navItem.kindModifiers && (navItem.kindModifiers != "")) { + bakedItem.kindModifiers = navItem.kindModifiers; + } + if (navItem.matchKind !== "none") { + bakedItem.matchKind = navItem.matchKind; + } + if (navItem.containerName && (navItem.containerName.length > 0)) { + bakedItem.containerName = navItem.containerName; + } + if (navItem.containerKind && (navItem.containerKind.length > 0)) { + bakedItem.containerKind = navItem.containerKind; + } + return bakedItem; + }); + }; + Session.prototype.getBraceMatching = function (line, offset, fileName) { + var file = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(file); + if (!project) { + throw Errors.NoProject; + } + var compilerService = project.compilerService; + var position = compilerService.host.lineOffsetToPosition(file, line, offset); + var spans = compilerService.languageService.getBraceMatchingAtPosition(file, position); + if (!spans) { + return undefined; + } + return spans.map(function (span) { return ({ + start: compilerService.host.positionToLineOffset(file, span.start), + end: compilerService.host.positionToLineOffset(file, span.start + span.length) + }); }); + }; + Session.prototype.getDiagnosticsForProject = function (delay, fileName) { + var _this = this; + var fileNames = this.getProjectInfo(fileName, true).fileNames; + var fileNamesInProject = fileNames.filter(function (value, index, array) { return value.indexOf("lib.d.ts") < 0; }); + var highPriorityFiles = []; + var mediumPriorityFiles = []; + var lowPriorityFiles = []; + var veryLowPriorityFiles = []; + var normalizedFileName = ts.normalizePath(fileName); + var project = this.projectService.getProjectForFile(normalizedFileName); + for (var _i = 0, fileNamesInProject_1 = fileNamesInProject; _i < fileNamesInProject_1.length; _i++) { + var fileNameInProject = fileNamesInProject_1[_i]; + if (this.getCanonicalFileName(fileNameInProject) == this.getCanonicalFileName(fileName)) + highPriorityFiles.push(fileNameInProject); + else { + var info = this.projectService.getScriptInfo(fileNameInProject); + if (!info.isOpen) { + if (fileNameInProject.indexOf(".d.ts") > 0) + veryLowPriorityFiles.push(fileNameInProject); + else + lowPriorityFiles.push(fileNameInProject); + } + else + mediumPriorityFiles.push(fileNameInProject); + } + } + fileNamesInProject = highPriorityFiles.concat(mediumPriorityFiles).concat(lowPriorityFiles).concat(veryLowPriorityFiles); + if (fileNamesInProject.length > 0) { + var checkList = fileNamesInProject.map(function (fileName) { + var normalizedFileName = ts.normalizePath(fileName); + return { fileName: normalizedFileName, project: project }; + }); + this.updateErrorCheck(checkList, this.changeSeq, function (n) { return n == _this.changeSeq; }, delay, 200, false); + } + }; + Session.prototype.getCanonicalFileName = function (fileName) { + var name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + return ts.normalizePath(name); + }; + Session.prototype.exit = function () { + }; + Session.prototype.addProtocolHandler = function (command, handler) { + if (this.handlers[command]) { + throw new Error("Protocol handler already exists for command \"" + command + "\""); + } + this.handlers[command] = handler; + }; + Session.prototype.executeCommand = function (request) { + var handler = this.handlers[request.command]; + if (handler) { + return handler(request); + } + else { + this.projectService.log("Unrecognized JSON command: " + JSON.stringify(request)); + this.output(undefined, CommandNames.Unknown, request.seq, "Unrecognized JSON command: " + request.command); + return { responseRequired: false }; + } + }; + Session.prototype.onMessage = function (message) { + var start; + if (this.logger.isVerbose()) { + this.logger.info("request: " + message); + start = this.hrtime(); + } + var request; + try { + request = JSON.parse(message); + var _a = this.executeCommand(request), response = _a.response, responseRequired = _a.responseRequired; + if (this.logger.isVerbose()) { + var elapsed = this.hrtime(start); + var seconds = elapsed[0]; + var nanoseconds = elapsed[1]; + var elapsedMs = ((1e9 * seconds) + nanoseconds) / 1000000.0; + var leader = "Elapsed time (in milliseconds)"; + if (!responseRequired) { + leader = "Async elapsed time (in milliseconds)"; + } + this.logger.msg(leader + ": " + elapsedMs.toFixed(4).toString(), "Perf"); + } + if (response) { + this.output(response, request.command, request.seq); + } + else if (responseRequired) { + this.output(undefined, request.command, request.seq, "No content available."); + } + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + } + this.logError(err, message); + this.output(undefined, request ? request.command : CommandNames.Unknown, request ? request.seq : 0, "Error processing request. " + err.message); + } + }; + return Session; + }()); + server.Session = Session; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + var lineCollectionCapacity = 4; + function mergeFormatOptions(formatCodeOptions, formatOptions) { + var hasOwnProperty = Object.prototype.hasOwnProperty; + Object.keys(formatOptions).forEach(function (key) { + var codeKey = key.charAt(0).toUpperCase() + key.substring(1); + if (hasOwnProperty.call(formatCodeOptions, codeKey)) { + formatCodeOptions[codeKey] = formatOptions[key]; + } + }); + } + var ScriptInfo = (function () { + function ScriptInfo(host, fileName, content, isOpen) { + if (isOpen === void 0) { isOpen = false; } + this.host = host; + this.fileName = fileName; + this.content = content; + this.isOpen = isOpen; + this.children = []; + this.formatCodeOptions = ts.clone(CompilerService.defaultFormatCodeOptions); + this.path = ts.toPath(fileName, host.getCurrentDirectory(), ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames)); + this.svc = ScriptVersionCache.fromString(host, content); + } + ScriptInfo.prototype.setFormatOptions = function (formatOptions) { + if (formatOptions) { + mergeFormatOptions(this.formatCodeOptions, formatOptions); + } + }; + ScriptInfo.prototype.close = function () { + this.isOpen = false; + }; + ScriptInfo.prototype.addChild = function (childInfo) { + this.children.push(childInfo); + }; + ScriptInfo.prototype.snap = function () { + return this.svc.getSnapshot(); + }; + ScriptInfo.prototype.getText = function () { + var snap = this.snap(); + return snap.getText(0, snap.getLength()); + }; + ScriptInfo.prototype.getLineInfo = function (line) { + var snap = this.snap(); + return snap.index.lineNumberToInfo(line); + }; + ScriptInfo.prototype.editContent = function (start, end, newText) { + this.svc.edit(start, end - start, newText); + }; + ScriptInfo.prototype.getTextChangeRangeBetweenVersions = function (startVersion, endVersion) { + return this.svc.getTextChangesBetweenVersions(startVersion, endVersion); + }; + ScriptInfo.prototype.getChangeRange = function (oldSnapshot) { + return this.snap().getChangeRange(oldSnapshot); + }; + return ScriptInfo; + }()); + server.ScriptInfo = ScriptInfo; + var LSHost = (function () { + function LSHost(host, project) { + var _this = this; + this.host = host; + this.project = project; + this.roots = []; + this.getCanonicalFileName = ts.createGetCanonicalFileName(host.useCaseSensitiveFileNames); + this.resolvedModuleNames = ts.createFileMap(); + this.filenameToScript = ts.createFileMap(); + this.moduleResolutionHost = { + fileExists: function (fileName) { return _this.fileExists(fileName); }, + readFile: function (fileName) { return _this.host.readFile(fileName); }, + directoryExists: function (directoryName) { return _this.host.directoryExists(directoryName); } + }; + } + LSHost.prototype.resolveModuleNames = function (moduleNames, containingFile) { + var path = ts.toPath(containingFile, this.host.getCurrentDirectory(), this.getCanonicalFileName); + var currentResolutionsInFile = this.resolvedModuleNames.get(path); + var newResolutions = {}; + var resolvedModules = []; + var compilerOptions = this.getCompilationSettings(); + for (var _i = 0, moduleNames_2 = moduleNames; _i < moduleNames_2.length; _i++) { + var moduleName = moduleNames_2[_i]; + var resolution = ts.lookUp(newResolutions, moduleName); + if (!resolution) { + var existingResolution = currentResolutionsInFile && ts.lookUp(currentResolutionsInFile, moduleName); + if (moduleResolutionIsValid(existingResolution)) { + resolution = existingResolution; + } + else { + resolution = ts.resolveModuleName(moduleName, containingFile, compilerOptions, this.moduleResolutionHost); + resolution.lastCheckTime = Date.now(); + newResolutions[moduleName] = resolution; + } + } + ts.Debug.assert(resolution !== undefined); + resolvedModules.push(resolution.resolvedModule); + } + this.resolvedModuleNames.set(path, newResolutions); + return resolvedModules; + function moduleResolutionIsValid(resolution) { + if (!resolution) { + return false; + } + if (resolution.resolvedModule) { + return true; + } + return resolution.failedLookupLocations.length === 0; + } + }; + LSHost.prototype.getDefaultLibFileName = function () { + var nodeModuleBinDir = ts.getDirectoryPath(ts.normalizePath(this.host.getExecutingFilePath())); + return ts.combinePaths(nodeModuleBinDir, ts.getDefaultLibFileName(this.compilationSettings)); + }; + LSHost.prototype.getScriptSnapshot = function (filename) { + var scriptInfo = this.getScriptInfo(filename); + if (scriptInfo) { + return scriptInfo.snap(); + } + }; + LSHost.prototype.setCompilationSettings = function (opt) { + this.compilationSettings = opt; + this.resolvedModuleNames.clear(); + }; + LSHost.prototype.lineAffectsRefs = function (filename, line) { + var info = this.getScriptInfo(filename); + var lineInfo = info.getLineInfo(line); + if (lineInfo && lineInfo.text) { + var regex = /reference|import|\/\*|\*\//; + return regex.test(lineInfo.text); + } + }; + LSHost.prototype.getCompilationSettings = function () { + return this.compilationSettings; + }; + LSHost.prototype.getScriptFileNames = function () { + return this.roots.map(function (root) { return root.fileName; }); + }; + LSHost.prototype.getScriptVersion = function (filename) { + return this.getScriptInfo(filename).svc.latestVersion().toString(); + }; + LSHost.prototype.getCurrentDirectory = function () { + return ""; + }; + LSHost.prototype.getScriptIsOpen = function (filename) { + return this.getScriptInfo(filename).isOpen; + }; + LSHost.prototype.removeReferencedFile = function (info) { + if (!info.isOpen) { + this.filenameToScript.remove(info.path); + this.resolvedModuleNames.remove(info.path); + } + }; + LSHost.prototype.getScriptInfo = function (filename) { + var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); + var scriptInfo = this.filenameToScript.get(path); + if (!scriptInfo) { + scriptInfo = this.project.openReferencedFile(filename); + if (scriptInfo) { + this.filenameToScript.set(path, scriptInfo); + } + } + return scriptInfo; + }; + LSHost.prototype.addRoot = function (info) { + if (!this.filenameToScript.contains(info.path)) { + this.filenameToScript.set(info.path, info); + this.roots.push(info); + } + }; + LSHost.prototype.removeRoot = function (info) { + if (!this.filenameToScript.contains(info.path)) { + this.filenameToScript.remove(info.path); + this.roots = copyListRemovingItem(info, this.roots); + this.resolvedModuleNames.remove(info.path); + } + }; + LSHost.prototype.saveTo = function (filename, tmpfilename) { + var script = this.getScriptInfo(filename); + if (script) { + var snap = script.snap(); + this.host.writeFile(tmpfilename, snap.getText(0, snap.getLength())); + } + }; + LSHost.prototype.reloadScript = function (filename, tmpfilename, cb) { + var script = this.getScriptInfo(filename); + if (script) { + script.svc.reloadFromFile(tmpfilename, cb); + } + }; + LSHost.prototype.editScript = function (filename, start, end, newText) { + var script = this.getScriptInfo(filename); + if (script) { + script.editContent(start, end, newText); + return; + } + throw new Error("No script with name '" + filename + "'"); + }; + LSHost.prototype.resolvePath = function (path) { + var result = this.host.resolvePath(path); + return result; + }; + LSHost.prototype.fileExists = function (path) { + var result = this.host.fileExists(path); + return result; + }; + LSHost.prototype.directoryExists = function (path) { + return this.host.directoryExists(path); + }; + LSHost.prototype.lineToTextSpan = function (filename, line) { + var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); + var script = this.filenameToScript.get(path); + var index = script.snap().index; + var lineInfo = index.lineNumberToInfo(line + 1); + var len; + if (lineInfo.leaf) { + len = lineInfo.leaf.text.length; + } + else { + var nextLineInfo = index.lineNumberToInfo(line + 2); + len = nextLineInfo.offset - lineInfo.offset; + } + return ts.createTextSpan(lineInfo.offset, len); + }; + LSHost.prototype.lineOffsetToPosition = function (filename, line, offset) { + var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); + var script = this.filenameToScript.get(path); + var index = script.snap().index; + var lineInfo = index.lineNumberToInfo(line); + return (lineInfo.offset + offset - 1); + }; + LSHost.prototype.positionToLineOffset = function (filename, position) { + var path = ts.toPath(filename, this.host.getCurrentDirectory(), this.getCanonicalFileName); + var script = this.filenameToScript.get(path); + var index = script.snap().index; + var lineOffset = index.charOffsetToLineNumberAndPos(position); + return { line: lineOffset.line, offset: lineOffset.offset + 1 }; + }; + return LSHost; + }()); + server.LSHost = LSHost; + var Project = (function () { + function Project(projectService, projectOptions) { + this.projectService = projectService; + this.projectOptions = projectOptions; + this.directoriesWatchedForTsconfig = []; + this.filenameToSourceFile = {}; + this.updateGraphSeq = 0; + this.openRefCount = 0; + if (projectOptions && projectOptions.files) { + projectOptions.compilerOptions.allowNonTsExtensions = true; + } + this.compilerService = new CompilerService(this, projectOptions && projectOptions.compilerOptions); + } + Project.prototype.addOpenRef = function () { + this.openRefCount++; + }; + Project.prototype.deleteOpenRef = function () { + this.openRefCount--; + return this.openRefCount; + }; + Project.prototype.openReferencedFile = function (filename) { + return this.projectService.openFile(filename, false); + }; + Project.prototype.getRootFiles = function () { + return this.compilerService.host.roots.map(function (info) { return info.fileName; }); + }; + Project.prototype.getFileNames = function () { + var sourceFiles = this.program.getSourceFiles(); + return sourceFiles.map(function (sourceFile) { return sourceFile.fileName; }); + }; + Project.prototype.getSourceFile = function (info) { + return this.filenameToSourceFile[info.fileName]; + }; + Project.prototype.getSourceFileFromName = function (filename, requireOpen) { + var info = this.projectService.getScriptInfo(filename); + if (info) { + if ((!requireOpen) || info.isOpen) { + return this.getSourceFile(info); + } + } + }; + Project.prototype.isRoot = function (info) { + return this.compilerService.host.roots.some(function (root) { return root === info; }); + }; + Project.prototype.removeReferencedFile = function (info) { + this.compilerService.host.removeReferencedFile(info); + this.updateGraph(); + }; + Project.prototype.updateFileMap = function () { + this.filenameToSourceFile = {}; + var sourceFiles = this.program.getSourceFiles(); + for (var i = 0, len = sourceFiles.length; i < len; i++) { + var normFilename = ts.normalizePath(sourceFiles[i].fileName); + this.filenameToSourceFile[normFilename] = sourceFiles[i]; + } + }; + Project.prototype.finishGraph = function () { + this.updateGraph(); + this.compilerService.languageService.getNavigateToItems(".*"); + }; + Project.prototype.updateGraph = function () { + this.program = this.compilerService.languageService.getProgram(); + this.updateFileMap(); + }; + Project.prototype.isConfiguredProject = function () { + return this.projectFilename; + }; + Project.prototype.addRoot = function (info) { + this.compilerService.host.addRoot(info); + }; + Project.prototype.removeRoot = function (info) { + this.compilerService.host.removeRoot(info); + }; + Project.prototype.filesToString = function () { + var strBuilder = ""; + ts.forEachValue(this.filenameToSourceFile, function (sourceFile) { strBuilder += sourceFile.fileName + "\n"; }); + return strBuilder; + }; + Project.prototype.setProjectOptions = function (projectOptions) { + this.projectOptions = projectOptions; + if (projectOptions.compilerOptions) { + projectOptions.compilerOptions.allowNonTsExtensions = true; + this.compilerService.setCompilerOptions(projectOptions.compilerOptions); + } + }; + return Project; + }()); + server.Project = Project; + function copyListRemovingItem(item, list) { + var copiedList = []; + for (var i = 0, len = list.length; i < len; i++) { + if (list[i] != item) { + copiedList.push(list[i]); + } + } + return copiedList; + } + var ProjectService = (function () { + function ProjectService(host, psLogger, eventHandler) { + this.host = host; + this.psLogger = psLogger; + this.eventHandler = eventHandler; + this.filenameToScriptInfo = {}; + this.openFileRoots = []; + this.inferredProjects = []; + this.configuredProjects = []; + this.openFilesReferenced = []; + this.openFileRootsConfigured = []; + this.directoryWatchersForTsconfig = {}; + this.directoryWatchersRefCount = {}; + this.timerForDetectingProjectFileListChanges = {}; + this.addDefaultHostConfiguration(); + } + ProjectService.prototype.addDefaultHostConfiguration = function () { + this.hostConfiguration = { + formatCodeOptions: ts.clone(CompilerService.defaultFormatCodeOptions), + hostInfo: "Unknown host" + }; + }; + ProjectService.prototype.getFormatCodeOptions = function (file) { + if (file) { + var info = this.filenameToScriptInfo[file]; + if (info) { + return info.formatCodeOptions; + } + } + return this.hostConfiguration.formatCodeOptions; + }; + ProjectService.prototype.watchedFileChanged = function (fileName) { + var info = this.filenameToScriptInfo[fileName]; + if (!info) { + this.psLogger.info("Error: got watch notification for unknown file: " + fileName); + } + if (!this.host.fileExists(fileName)) { + this.fileDeletedInFilesystem(info); + } + else { + if (info && (!info.isOpen)) { + info.svc.reloadFromFile(info.fileName); + } + } + }; + ProjectService.prototype.directoryWatchedForSourceFilesChanged = function (project, fileName) { + if (fileName && !ts.isSupportedSourceFileName(fileName, project.projectOptions ? project.projectOptions.compilerOptions : undefined)) { + return; + } + this.log("Detected source file changes: " + fileName); + this.startTimerForDetectingProjectFileListChanges(project); + }; + ProjectService.prototype.startTimerForDetectingProjectFileListChanges = function (project) { + var _this = this; + if (this.timerForDetectingProjectFileListChanges[project.projectFilename]) { + clearTimeout(this.timerForDetectingProjectFileListChanges[project.projectFilename]); + } + this.timerForDetectingProjectFileListChanges[project.projectFilename] = setTimeout(function () { return _this.handleProjectFileListChanges(project); }, 250); + }; + ProjectService.prototype.handleProjectFileListChanges = function (project) { + var _this = this; + var projectOptions = this.configFileToProjectOptions(project.projectFilename).projectOptions; + var newRootFiles = projectOptions.files.map((function (f) { return _this.getCanonicalFileName(f); })); + var currentRootFiles = project.getRootFiles().map((function (f) { return _this.getCanonicalFileName(f); })); + if (!ts.arrayIsEqualTo(currentRootFiles && currentRootFiles.sort(), newRootFiles && newRootFiles.sort())) { + this.updateConfiguredProject(project); + this.updateProjectStructure(); + } + }; + ProjectService.prototype.directoryWatchedForTsconfigChanged = function (fileName) { + var _this = this; + if (ts.getBaseFileName(fileName) != "tsconfig.json") { + this.log(fileName + " is not tsconfig.json"); + return; + } + this.log("Detected newly added tsconfig file: " + fileName); + var projectOptions = this.configFileToProjectOptions(fileName).projectOptions; + var rootFilesInTsconfig = projectOptions.files.map(function (f) { return _this.getCanonicalFileName(f); }); + var openFileRoots = this.openFileRoots.map(function (s) { return _this.getCanonicalFileName(s.fileName); }); + for (var _i = 0, openFileRoots_1 = openFileRoots; _i < openFileRoots_1.length; _i++) { + var openFileRoot = openFileRoots_1[_i]; + if (rootFilesInTsconfig.indexOf(openFileRoot) >= 0) { + this.reloadProjects(); + return; + } + } + }; + ProjectService.prototype.getCanonicalFileName = function (fileName) { + var name = this.host.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + return ts.normalizePath(name); + }; + ProjectService.prototype.watchedProjectConfigFileChanged = function (project) { + this.log("Config file changed: " + project.projectFilename); + this.updateConfiguredProject(project); + this.updateProjectStructure(); + }; + ProjectService.prototype.log = function (msg, type) { + if (type === void 0) { type = "Err"; } + this.psLogger.msg(msg, type); + }; + ProjectService.prototype.setHostConfiguration = function (args) { + if (args.file) { + var info = this.filenameToScriptInfo[args.file]; + if (info) { + info.setFormatOptions(args.formatOptions); + this.log("Host configuration update for file " + args.file, "Info"); + } + } + else { + if (args.hostInfo !== undefined) { + this.hostConfiguration.hostInfo = args.hostInfo; + this.log("Host information " + args.hostInfo, "Info"); + } + if (args.formatOptions) { + mergeFormatOptions(this.hostConfiguration.formatCodeOptions, args.formatOptions); + this.log("Format host information updated", "Info"); + } + } + }; + ProjectService.prototype.closeLog = function () { + this.psLogger.close(); + }; + ProjectService.prototype.createInferredProject = function (root) { + var _this = this; + var project = new Project(this); + project.addRoot(root); + var currentPath = ts.getDirectoryPath(root.fileName); + var parentPath = ts.getDirectoryPath(currentPath); + while (currentPath != parentPath) { + if (!project.projectService.directoryWatchersForTsconfig[currentPath]) { + this.log("Add watcher for: " + currentPath); + project.projectService.directoryWatchersForTsconfig[currentPath] = + this.host.watchDirectory(currentPath, function (fileName) { return _this.directoryWatchedForTsconfigChanged(fileName); }); + project.projectService.directoryWatchersRefCount[currentPath] = 1; + } + else { + project.projectService.directoryWatchersRefCount[currentPath] += 1; + } + project.directoriesWatchedForTsconfig.push(currentPath); + currentPath = parentPath; + parentPath = ts.getDirectoryPath(parentPath); + } + project.finishGraph(); + this.inferredProjects.push(project); + return project; + }; + ProjectService.prototype.fileDeletedInFilesystem = function (info) { + this.psLogger.info(info.fileName + " deleted"); + if (info.fileWatcher) { + info.fileWatcher.close(); + info.fileWatcher = undefined; + } + if (!info.isOpen) { + this.filenameToScriptInfo[info.fileName] = undefined; + var referencingProjects = this.findReferencingProjects(info); + if (info.defaultProject) { + info.defaultProject.removeRoot(info); + } + for (var i = 0, len = referencingProjects.length; i < len; i++) { + referencingProjects[i].removeReferencedFile(info); + } + for (var j = 0, flen = this.openFileRoots.length; j < flen; j++) { + var openFile = this.openFileRoots[j]; + if (this.eventHandler) { + this.eventHandler("context", openFile.defaultProject, openFile.fileName); + } + } + for (var j = 0, flen = this.openFilesReferenced.length; j < flen; j++) { + var openFile = this.openFilesReferenced[j]; + if (this.eventHandler) { + this.eventHandler("context", openFile.defaultProject, openFile.fileName); + } + } + } + this.printProjects(); + }; + ProjectService.prototype.updateConfiguredProjectList = function () { + var configuredProjects = []; + for (var i = 0, len = this.configuredProjects.length; i < len; i++) { + if (this.configuredProjects[i].openRefCount > 0) { + configuredProjects.push(this.configuredProjects[i]); + } + } + this.configuredProjects = configuredProjects; + }; + ProjectService.prototype.removeProject = function (project) { + this.log("remove project: " + project.getRootFiles().toString()); + if (project.isConfiguredProject()) { + project.projectFileWatcher.close(); + project.directoryWatcher.close(); + this.configuredProjects = copyListRemovingItem(project, this.configuredProjects); + } + else { + for (var _i = 0, _a = project.directoriesWatchedForTsconfig; _i < _a.length; _i++) { + var directory = _a[_i]; + project.projectService.directoryWatchersRefCount[directory]--; + if (!project.projectService.directoryWatchersRefCount[directory]) { + this.log("Close directory watcher for: " + directory); + project.projectService.directoryWatchersForTsconfig[directory].close(); + delete project.projectService.directoryWatchersForTsconfig[directory]; + } + } + this.inferredProjects = copyListRemovingItem(project, this.inferredProjects); + } + var fileNames = project.getFileNames(); + for (var _b = 0, fileNames_1 = fileNames; _b < fileNames_1.length; _b++) { + var fileName = fileNames_1[_b]; + var info = this.getScriptInfo(fileName); + if (info.defaultProject == project) { + info.defaultProject = undefined; + } + } + }; + ProjectService.prototype.setConfiguredProjectRoot = function (info) { + for (var i = 0, len = this.configuredProjects.length; i < len; i++) { + var configuredProject = this.configuredProjects[i]; + if (configuredProject.isRoot(info)) { + info.defaultProject = configuredProject; + configuredProject.addOpenRef(); + return true; + } + } + return false; + }; + ProjectService.prototype.addOpenFile = function (info) { + if (this.setConfiguredProjectRoot(info)) { + this.openFileRootsConfigured.push(info); + } + else { + this.findReferencingProjects(info); + if (info.defaultProject) { + this.openFilesReferenced.push(info); + } + else { + info.defaultProject = this.createInferredProject(info); + var openFileRoots = []; + for (var i = 0, len = this.openFileRoots.length; i < len; i++) { + var r = this.openFileRoots[i]; + if (info.defaultProject.getSourceFile(r)) { + this.removeProject(r.defaultProject); + this.openFilesReferenced.push(r); + r.defaultProject = info.defaultProject; + } + else { + openFileRoots.push(r); + } + } + this.openFileRoots = openFileRoots; + this.openFileRoots.push(info); + } + } + this.updateConfiguredProjectList(); + }; + ProjectService.prototype.closeOpenFile = function (info) { + info.svc.reloadFromFile(info.fileName); + var openFileRoots = []; + var removedProject; + for (var i = 0, len = this.openFileRoots.length; i < len; i++) { + if (info === this.openFileRoots[i]) { + removedProject = info.defaultProject; + } + else { + openFileRoots.push(this.openFileRoots[i]); + } + } + this.openFileRoots = openFileRoots; + if (!removedProject) { + var openFileRootsConfigured = []; + for (var i = 0, len = this.openFileRootsConfigured.length; i < len; i++) { + if (info === this.openFileRootsConfigured[i]) { + if (info.defaultProject.deleteOpenRef() === 0) { + removedProject = info.defaultProject; + } + } + else { + openFileRootsConfigured.push(this.openFileRootsConfigured[i]); + } + } + this.openFileRootsConfigured = openFileRootsConfigured; + } + if (removedProject) { + this.removeProject(removedProject); + var openFilesReferenced = []; + var orphanFiles = []; + for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { + var f = this.openFilesReferenced[i]; + if (f.defaultProject === removedProject || !f.defaultProject) { + f.defaultProject = undefined; + orphanFiles.push(f); + } + else { + openFilesReferenced.push(f); + } + } + this.openFilesReferenced = openFilesReferenced; + for (var i = 0, len = orphanFiles.length; i < len; i++) { + this.addOpenFile(orphanFiles[i]); + } + } + else { + this.openFilesReferenced = copyListRemovingItem(info, this.openFilesReferenced); + } + info.close(); + }; + ProjectService.prototype.findReferencingProjects = function (info, excludedProject) { + var referencingProjects = []; + info.defaultProject = undefined; + for (var i = 0, len = this.inferredProjects.length; i < len; i++) { + var inferredProject = this.inferredProjects[i]; + inferredProject.updateGraph(); + if (inferredProject !== excludedProject) { + if (inferredProject.getSourceFile(info)) { + info.defaultProject = inferredProject; + referencingProjects.push(inferredProject); + } + } + } + for (var i = 0, len = this.configuredProjects.length; i < len; i++) { + var configuredProject = this.configuredProjects[i]; + configuredProject.updateGraph(); + if (configuredProject.getSourceFile(info)) { + info.defaultProject = configuredProject; + } + } + return referencingProjects; + }; + ProjectService.prototype.reloadProjects = function () { + this.log("reload projects."); + for (var _i = 0, _a = this.openFileRoots; _i < _a.length; _i++) { + var info = _a[_i]; + this.openOrUpdateConfiguredProjectForFile(info.fileName); + } + this.updateProjectStructure(); + }; + ProjectService.prototype.updateProjectStructure = function () { + this.log("updating project structure from ...", "Info"); + this.printProjects(); + var unattachedOpenFiles = []; + var openFileRootsConfigured = []; + for (var _i = 0, _a = this.openFileRootsConfigured; _i < _a.length; _i++) { + var info = _a[_i]; + var project = info.defaultProject; + if (!project || !(project.getSourceFile(info))) { + info.defaultProject = undefined; + unattachedOpenFiles.push(info); + } + else { + openFileRootsConfigured.push(info); + } + } + this.openFileRootsConfigured = openFileRootsConfigured; + var openFilesReferenced = []; + for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { + var referencedFile = this.openFilesReferenced[i]; + referencedFile.defaultProject.updateGraph(); + var sourceFile = referencedFile.defaultProject.getSourceFile(referencedFile); + if (sourceFile) { + openFilesReferenced.push(referencedFile); + } + else { + unattachedOpenFiles.push(referencedFile); + } + } + this.openFilesReferenced = openFilesReferenced; + var openFileRoots = []; + for (var i = 0, len = this.openFileRoots.length; i < len; i++) { + var rootFile = this.openFileRoots[i]; + var rootedProject = rootFile.defaultProject; + var referencingProjects = this.findReferencingProjects(rootFile, rootedProject); + if (rootFile.defaultProject && rootFile.defaultProject.isConfiguredProject()) { + if (!rootedProject.isConfiguredProject()) { + this.removeProject(rootedProject); + } + this.openFileRootsConfigured.push(rootFile); + } + else { + if (referencingProjects.length === 0) { + rootFile.defaultProject = rootedProject; + openFileRoots.push(rootFile); + } + else { + this.removeProject(rootedProject); + this.openFilesReferenced.push(rootFile); + } + } + } + this.openFileRoots = openFileRoots; + for (var i = 0, len = unattachedOpenFiles.length; i < len; i++) { + this.addOpenFile(unattachedOpenFiles[i]); + } + this.printProjects(); + }; + ProjectService.prototype.getScriptInfo = function (filename) { + filename = ts.normalizePath(filename); + return ts.lookUp(this.filenameToScriptInfo, filename); + }; + ProjectService.prototype.openFile = function (fileName, openedByClient, fileContent) { + var _this = this; + fileName = ts.normalizePath(fileName); + var info = ts.lookUp(this.filenameToScriptInfo, fileName); + if (!info) { + var content = void 0; + if (this.host.fileExists(fileName)) { + content = fileContent || this.host.readFile(fileName); + } + if (!content) { + if (openedByClient) { + content = ""; + } + } + if (content !== undefined) { + info = new ScriptInfo(this.host, fileName, content, openedByClient); + info.setFormatOptions(this.getFormatCodeOptions()); + this.filenameToScriptInfo[fileName] = info; + if (!info.isOpen) { + info.fileWatcher = this.host.watchFile(ts.toPath(fileName, fileName, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), function (_) { _this.watchedFileChanged(fileName); }); + } + } + } + if (info) { + if (fileContent) { + info.svc.reload(fileContent); + } + if (openedByClient) { + info.isOpen = true; + } + } + return info; + }; + ProjectService.prototype.findConfigFile = function (searchPath) { + while (true) { + var tsconfigFileName = ts.combinePaths(searchPath, "tsconfig.json"); + if (this.host.fileExists(tsconfigFileName)) { + return tsconfigFileName; + } + var jsconfigFileName = ts.combinePaths(searchPath, "jsconfig.json"); + if (this.host.fileExists(jsconfigFileName)) { + return jsconfigFileName; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + } + return undefined; + }; + ProjectService.prototype.openClientFile = function (fileName, fileContent) { + this.openOrUpdateConfiguredProjectForFile(fileName); + var info = this.openFile(fileName, true, fileContent); + this.addOpenFile(info); + this.printProjects(); + return info; + }; + ProjectService.prototype.openOrUpdateConfiguredProjectForFile = function (fileName) { + var searchPath = ts.normalizePath(ts.getDirectoryPath(fileName)); + this.log("Search path: " + searchPath, "Info"); + var configFileName = this.findConfigFile(searchPath); + if (configFileName) { + this.log("Config file name: " + configFileName, "Info"); + var project = this.findConfiguredProjectByConfigFile(configFileName); + if (!project) { + var configResult = this.openConfigFile(configFileName, fileName); + if (!configResult.success) { + this.log("Error opening config file " + configFileName + " " + configResult.errorMsg); + } + else { + this.log("Opened configuration file " + configFileName, "Info"); + this.configuredProjects.push(configResult.project); + } + } + else { + this.updateConfiguredProject(project); + } + } + else { + this.log("No config files found."); + } + }; + ProjectService.prototype.closeClientFile = function (filename) { + var info = ts.lookUp(this.filenameToScriptInfo, filename); + if (info) { + this.closeOpenFile(info); + info.isOpen = false; + } + this.printProjects(); + }; + ProjectService.prototype.getProjectForFile = function (filename) { + var scriptInfo = ts.lookUp(this.filenameToScriptInfo, filename); + if (scriptInfo) { + return scriptInfo.defaultProject; + } + }; + ProjectService.prototype.printProjectsForFile = function (filename) { + var scriptInfo = ts.lookUp(this.filenameToScriptInfo, filename); + if (scriptInfo) { + this.psLogger.startGroup(); + this.psLogger.info("Projects for " + filename); + var projects = this.findReferencingProjects(scriptInfo); + for (var i = 0, len = projects.length; i < len; i++) { + this.psLogger.info("Project " + i.toString()); + } + this.psLogger.endGroup(); + } + else { + this.psLogger.info(filename + " not in any project"); + } + }; + ProjectService.prototype.printProjects = function () { + if (!this.psLogger.isVerbose()) { + return; + } + this.psLogger.startGroup(); + for (var i = 0, len = this.inferredProjects.length; i < len; i++) { + var project = this.inferredProjects[i]; + project.updateGraph(); + this.psLogger.info("Project " + i.toString()); + this.psLogger.info(project.filesToString()); + this.psLogger.info("-----------------------------------------------"); + } + for (var i = 0, len = this.configuredProjects.length; i < len; i++) { + var project = this.configuredProjects[i]; + project.updateGraph(); + this.psLogger.info("Project (configured) " + (i + this.inferredProjects.length).toString()); + this.psLogger.info(project.filesToString()); + this.psLogger.info("-----------------------------------------------"); + } + this.psLogger.info("Open file roots of inferred projects: "); + for (var i = 0, len = this.openFileRoots.length; i < len; i++) { + this.psLogger.info(this.openFileRoots[i].fileName); + } + this.psLogger.info("Open files referenced by inferred or configured projects: "); + for (var i = 0, len = this.openFilesReferenced.length; i < len; i++) { + var fileInfo = this.openFilesReferenced[i].fileName; + if (this.openFilesReferenced[i].defaultProject.isConfiguredProject()) { + fileInfo += " (configured)"; + } + this.psLogger.info(fileInfo); + } + this.psLogger.info("Open file roots of configured projects: "); + for (var i = 0, len = this.openFileRootsConfigured.length; i < len; i++) { + this.psLogger.info(this.openFileRootsConfigured[i].fileName); + } + this.psLogger.endGroup(); + }; + ProjectService.prototype.configProjectIsActive = function (fileName) { + return this.findConfiguredProjectByConfigFile(fileName) === undefined; + }; + ProjectService.prototype.findConfiguredProjectByConfigFile = function (configFileName) { + for (var i = 0, len = this.configuredProjects.length; i < len; i++) { + if (this.configuredProjects[i].projectFilename == configFileName) { + return this.configuredProjects[i]; + } + } + return undefined; + }; + ProjectService.prototype.configFileToProjectOptions = function (configFilename) { + configFilename = ts.normalizePath(configFilename); + var dirPath = ts.getDirectoryPath(configFilename); + var contents = this.host.readFile(configFilename); + var rawConfig = ts.parseConfigFileTextToJson(configFilename, contents); + if (rawConfig.error) { + return { succeeded: false, error: rawConfig.error }; + } + else { + var parsedCommandLine = ts.parseJsonConfigFileContent(rawConfig.config, this.host, dirPath, {}, configFilename); + ts.Debug.assert(!!parsedCommandLine.fileNames); + if (parsedCommandLine.errors && (parsedCommandLine.errors.length > 0)) { + return { succeeded: false, error: { errorMsg: "tsconfig option errors" } }; + } + else if (parsedCommandLine.fileNames.length === 0) { + return { succeeded: false, error: { errorMsg: "no files found" } }; + } + else { + var projectOptions = { + files: parsedCommandLine.fileNames, + compilerOptions: parsedCommandLine.options + }; + return { succeeded: true, projectOptions: projectOptions }; + } + } + }; + ProjectService.prototype.openConfigFile = function (configFilename, clientFileName) { + var _this = this; + var _a = this.configFileToProjectOptions(configFilename), succeeded = _a.succeeded, projectOptions = _a.projectOptions, error = _a.error; + if (!succeeded) { + return error; + } + else { + var project_1 = this.createProject(configFilename, projectOptions); + for (var _i = 0, _b = projectOptions.files; _i < _b.length; _i++) { + var rootFilename = _b[_i]; + if (this.host.fileExists(rootFilename)) { + var info = this.openFile(rootFilename, clientFileName == rootFilename); + project_1.addRoot(info); + } + else { + return { errorMsg: "specified file " + rootFilename + " not found" }; + } + } + project_1.finishGraph(); + project_1.projectFileWatcher = this.host.watchFile(ts.toPath(configFilename, configFilename, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)), function (_) { return _this.watchedProjectConfigFileChanged(project_1); }); + this.log("Add recursive watcher for: " + ts.getDirectoryPath(configFilename)); + project_1.directoryWatcher = this.host.watchDirectory(ts.getDirectoryPath(configFilename), function (path) { return _this.directoryWatchedForSourceFilesChanged(project_1, path); }, true); + return { success: true, project: project_1 }; + } + }; + ProjectService.prototype.updateConfiguredProject = function (project) { + if (!this.host.fileExists(project.projectFilename)) { + this.log("Config file deleted"); + this.removeProject(project); + } + else { + var _a = this.configFileToProjectOptions(project.projectFilename), succeeded = _a.succeeded, projectOptions = _a.projectOptions, error = _a.error; + if (!succeeded) { + return error; + } + else { + var oldFileNames_1 = project.compilerService.host.roots.map(function (info) { return info.fileName; }); + var newFileNames_1 = projectOptions.files; + var fileNamesToRemove = oldFileNames_1.filter(function (f) { return newFileNames_1.indexOf(f) < 0; }); + var fileNamesToAdd = newFileNames_1.filter(function (f) { return oldFileNames_1.indexOf(f) < 0; }); + for (var _i = 0, fileNamesToRemove_1 = fileNamesToRemove; _i < fileNamesToRemove_1.length; _i++) { + var fileName = fileNamesToRemove_1[_i]; + var info = this.getScriptInfo(fileName); + if (info) { + project.removeRoot(info); + } + } + for (var _b = 0, fileNamesToAdd_1 = fileNamesToAdd; _b < fileNamesToAdd_1.length; _b++) { + var fileName = fileNamesToAdd_1[_b]; + var info = this.getScriptInfo(fileName); + if (!info) { + info = this.openFile(fileName, false); + } + else { + if (info.isOpen) { + if (this.openFileRoots.indexOf(info) >= 0) { + this.openFileRoots = copyListRemovingItem(info, this.openFileRoots); + if (info.defaultProject && !info.defaultProject.isConfiguredProject()) { + this.removeProject(info.defaultProject); + } + } + if (this.openFilesReferenced.indexOf(info) >= 0) { + this.openFilesReferenced = copyListRemovingItem(info, this.openFilesReferenced); + } + this.openFileRootsConfigured.push(info); + info.defaultProject = project; + } + } + project.addRoot(info); + } + project.setProjectOptions(projectOptions); + project.finishGraph(); + } + } + }; + ProjectService.prototype.createProject = function (projectFilename, projectOptions) { + var project = new Project(this, projectOptions); + project.projectFilename = projectFilename; + return project; + }; + return ProjectService; + }()); + server.ProjectService = ProjectService; + var CompilerService = (function () { + function CompilerService(project, opt) { + this.project = project; + this.documentRegistry = ts.createDocumentRegistry(); + this.host = new LSHost(project.projectService.host, project); + if (opt) { + this.setCompilerOptions(opt); + } + else { + var defaultOpts = ts.getDefaultCompilerOptions(); + defaultOpts.allowNonTsExtensions = true; + this.setCompilerOptions(defaultOpts); + } + this.languageService = ts.createLanguageService(this.host, this.documentRegistry); + this.classifier = ts.createClassifier(); + } + CompilerService.prototype.setCompilerOptions = function (opt) { + this.settings = opt; + this.host.setCompilationSettings(opt); + }; + CompilerService.prototype.isExternalModule = function (filename) { + var sourceFile = this.languageService.getSourceFile(filename); + return ts.isExternalModule(sourceFile); + }; + CompilerService.defaultFormatCodeOptions = { + IndentSize: 4, + TabSize: 4, + NewLineCharacter: ts.sys ? ts.sys.newLine : "\n", + ConvertTabsToSpaces: true, + IndentStyle: ts.IndentStyle.Smart, + InsertSpaceAfterCommaDelimiter: true, + InsertSpaceAfterSemicolonInForStatements: true, + InsertSpaceBeforeAndAfterBinaryOperators: true, + InsertSpaceAfterKeywordsInControlFlowStatements: true, + InsertSpaceAfterFunctionKeywordForAnonymousFunctions: false, + InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false, + InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false, + InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false, + PlaceOpenBraceOnNewLineForFunctions: false, + PlaceOpenBraceOnNewLineForControlBlocks: false + }; + return CompilerService; + }()); + server.CompilerService = CompilerService; + (function (CharRangeSection) { + CharRangeSection[CharRangeSection["PreStart"] = 0] = "PreStart"; + CharRangeSection[CharRangeSection["Start"] = 1] = "Start"; + CharRangeSection[CharRangeSection["Entire"] = 2] = "Entire"; + CharRangeSection[CharRangeSection["Mid"] = 3] = "Mid"; + CharRangeSection[CharRangeSection["End"] = 4] = "End"; + CharRangeSection[CharRangeSection["PostEnd"] = 5] = "PostEnd"; + })(server.CharRangeSection || (server.CharRangeSection = {})); + var CharRangeSection = server.CharRangeSection; + var BaseLineIndexWalker = (function () { + function BaseLineIndexWalker() { + this.goSubtree = true; + this.done = false; + } + BaseLineIndexWalker.prototype.leaf = function (rangeStart, rangeLength, ll) { + }; + return BaseLineIndexWalker; + }()); + var EditWalker = (function (_super) { + __extends(EditWalker, _super); + function EditWalker() { + _super.call(this); + this.lineIndex = new LineIndex(); + this.endBranch = []; + this.state = CharRangeSection.Entire; + this.initialText = ""; + this.trailingText = ""; + this.suppressTrailingText = false; + this.lineIndex.root = new LineNode(); + this.startPath = [this.lineIndex.root]; + this.stack = [this.lineIndex.root]; + } + EditWalker.prototype.insertLines = function (insertedText) { + if (this.suppressTrailingText) { + this.trailingText = ""; + } + if (insertedText) { + insertedText = this.initialText + insertedText + this.trailingText; + } + else { + insertedText = this.initialText + this.trailingText; + } + var lm = LineIndex.linesFromText(insertedText); + var lines = lm.lines; + if (lines.length > 1) { + if (lines[lines.length - 1] == "") { + lines.length--; + } + } + var branchParent; + var lastZeroCount; + for (var k = this.endBranch.length - 1; k >= 0; k--) { + this.endBranch[k].updateCounts(); + if (this.endBranch[k].charCount() === 0) { + lastZeroCount = this.endBranch[k]; + if (k > 0) { + branchParent = this.endBranch[k - 1]; + } + else { + branchParent = this.branchNode; + } + } + } + if (lastZeroCount) { + branchParent.remove(lastZeroCount); + } + var insertionNode = this.startPath[this.startPath.length - 2]; + var leafNode = this.startPath[this.startPath.length - 1]; + var len = lines.length; + if (len > 0) { + leafNode.text = lines[0]; + if (len > 1) { + var insertedNodes = new Array(len - 1); + var startNode = leafNode; + for (var i = 1, len_1 = lines.length; i < len_1; i++) { + insertedNodes[i - 1] = new LineLeaf(lines[i]); + } + var pathIndex = this.startPath.length - 2; + while (pathIndex >= 0) { + insertionNode = this.startPath[pathIndex]; + insertedNodes = insertionNode.insertAt(startNode, insertedNodes); + pathIndex--; + startNode = insertionNode; + } + var insertedNodesLen = insertedNodes.length; + while (insertedNodesLen > 0) { + var newRoot = new LineNode(); + newRoot.add(this.lineIndex.root); + insertedNodes = newRoot.insertAt(this.lineIndex.root, insertedNodes); + insertedNodesLen = insertedNodes.length; + this.lineIndex.root = newRoot; + } + this.lineIndex.root.updateCounts(); + } + else { + for (var j = this.startPath.length - 2; j >= 0; j--) { + this.startPath[j].updateCounts(); + } + } + } + else { + insertionNode.remove(leafNode); + for (var j = this.startPath.length - 2; j >= 0; j--) { + this.startPath[j].updateCounts(); + } + } + return this.lineIndex; + }; + EditWalker.prototype.post = function (relativeStart, relativeLength, lineCollection, parent, nodeType) { + if (lineCollection === this.lineCollectionAtBranch) { + this.state = CharRangeSection.End; + } + this.stack.length--; + return undefined; + }; + EditWalker.prototype.pre = function (relativeStart, relativeLength, lineCollection, parent, nodeType) { + var currentNode = this.stack[this.stack.length - 1]; + if ((this.state === CharRangeSection.Entire) && (nodeType === CharRangeSection.Start)) { + this.state = CharRangeSection.Start; + this.branchNode = currentNode; + this.lineCollectionAtBranch = lineCollection; + } + var child; + function fresh(node) { + if (node.isLeaf()) { + return new LineLeaf(""); + } + else + return new LineNode(); + } + switch (nodeType) { + case CharRangeSection.PreStart: + this.goSubtree = false; + if (this.state !== CharRangeSection.End) { + currentNode.add(lineCollection); + } + break; + case CharRangeSection.Start: + if (this.state === CharRangeSection.End) { + this.goSubtree = false; + } + else { + child = fresh(lineCollection); + currentNode.add(child); + this.startPath[this.startPath.length] = child; + } + break; + case CharRangeSection.Entire: + if (this.state !== CharRangeSection.End) { + child = fresh(lineCollection); + currentNode.add(child); + this.startPath[this.startPath.length] = child; + } + else { + if (!lineCollection.isLeaf()) { + child = fresh(lineCollection); + currentNode.add(child); + this.endBranch[this.endBranch.length] = child; + } + } + break; + case CharRangeSection.Mid: + this.goSubtree = false; + break; + case CharRangeSection.End: + if (this.state !== CharRangeSection.End) { + this.goSubtree = false; + } + else { + if (!lineCollection.isLeaf()) { + child = fresh(lineCollection); + currentNode.add(child); + this.endBranch[this.endBranch.length] = child; + } + } + break; + case CharRangeSection.PostEnd: + this.goSubtree = false; + if (this.state !== CharRangeSection.Start) { + currentNode.add(lineCollection); + } + break; + } + if (this.goSubtree) { + this.stack[this.stack.length] = child; + } + return lineCollection; + }; + EditWalker.prototype.leaf = function (relativeStart, relativeLength, ll) { + if (this.state === CharRangeSection.Start) { + this.initialText = ll.text.substring(0, relativeStart); + } + else if (this.state === CharRangeSection.Entire) { + this.initialText = ll.text.substring(0, relativeStart); + this.trailingText = ll.text.substring(relativeStart + relativeLength); + } + else { + this.trailingText = ll.text.substring(relativeStart + relativeLength); + } + }; + return EditWalker; + }(BaseLineIndexWalker)); + var TextChange = (function () { + function TextChange(pos, deleteLen, insertedText) { + this.pos = pos; + this.deleteLen = deleteLen; + this.insertedText = insertedText; + } + TextChange.prototype.getTextChangeRange = function () { + return ts.createTextChangeRange(ts.createTextSpan(this.pos, this.deleteLen), this.insertedText ? this.insertedText.length : 0); + }; + return TextChange; + }()); + server.TextChange = TextChange; + var ScriptVersionCache = (function () { + function ScriptVersionCache() { + this.changes = []; + this.versions = []; + this.minVersion = 0; + this.currentVersion = 0; + } + ScriptVersionCache.prototype.edit = function (pos, deleteLen, insertedText) { + this.changes[this.changes.length] = new TextChange(pos, deleteLen, insertedText); + if ((this.changes.length > ScriptVersionCache.changeNumberThreshold) || + (deleteLen > ScriptVersionCache.changeLengthThreshold) || + (insertedText && (insertedText.length > ScriptVersionCache.changeLengthThreshold))) { + this.getSnapshot(); + } + }; + ScriptVersionCache.prototype.latest = function () { + return this.versions[this.currentVersion]; + }; + ScriptVersionCache.prototype.latestVersion = function () { + if (this.changes.length > 0) { + this.getSnapshot(); + } + return this.currentVersion; + }; + ScriptVersionCache.prototype.reloadFromFile = function (filename, cb) { + var content = this.host.readFile(filename); + this.reload(content); + if (cb) + cb(); + }; + ScriptVersionCache.prototype.reload = function (script) { + this.currentVersion++; + this.changes = []; + var snap = new LineIndexSnapshot(this.currentVersion, this); + this.versions[this.currentVersion] = snap; + snap.index = new LineIndex(); + var lm = LineIndex.linesFromText(script); + snap.index.load(lm.lines); + for (var i = this.minVersion; i < this.currentVersion; i++) { + this.versions[i] = undefined; + } + this.minVersion = this.currentVersion; + }; + ScriptVersionCache.prototype.getSnapshot = function () { + var snap = this.versions[this.currentVersion]; + if (this.changes.length > 0) { + var snapIndex = this.latest().index; + for (var i = 0, len = this.changes.length; i < len; i++) { + var change = this.changes[i]; + snapIndex = snapIndex.edit(change.pos, change.deleteLen, change.insertedText); + } + snap = new LineIndexSnapshot(this.currentVersion + 1, this); + snap.index = snapIndex; + snap.changesSincePreviousVersion = this.changes; + this.currentVersion = snap.version; + this.versions[snap.version] = snap; + this.changes = []; + if ((this.currentVersion - this.minVersion) >= ScriptVersionCache.maxVersions) { + var oldMin = this.minVersion; + this.minVersion = (this.currentVersion - ScriptVersionCache.maxVersions) + 1; + for (var j = oldMin; j < this.minVersion; j++) { + this.versions[j] = undefined; + } + } + } + return snap; + }; + ScriptVersionCache.prototype.getTextChangesBetweenVersions = function (oldVersion, newVersion) { + if (oldVersion < newVersion) { + if (oldVersion >= this.minVersion) { + var textChangeRanges = []; + for (var i = oldVersion + 1; i <= newVersion; i++) { + var snap = this.versions[i]; + for (var j = 0, len = snap.changesSincePreviousVersion.length; j < len; j++) { + var textChange = snap.changesSincePreviousVersion[j]; + textChangeRanges[textChangeRanges.length] = textChange.getTextChangeRange(); + } + } + return ts.collapseTextChangeRangesAcrossMultipleVersions(textChangeRanges); + } + else { + return undefined; + } + } + else { + return ts.unchangedTextChangeRange; + } + }; + ScriptVersionCache.fromString = function (host, script) { + var svc = new ScriptVersionCache(); + var snap = new LineIndexSnapshot(0, svc); + svc.versions[svc.currentVersion] = snap; + svc.host = host; + snap.index = new LineIndex(); + var lm = LineIndex.linesFromText(script); + snap.index.load(lm.lines); + return svc; + }; + ScriptVersionCache.changeNumberThreshold = 8; + ScriptVersionCache.changeLengthThreshold = 256; + ScriptVersionCache.maxVersions = 8; + return ScriptVersionCache; + }()); + server.ScriptVersionCache = ScriptVersionCache; + var LineIndexSnapshot = (function () { + function LineIndexSnapshot(version, cache) { + this.version = version; + this.cache = cache; + this.changesSincePreviousVersion = []; + } + LineIndexSnapshot.prototype.getText = function (rangeStart, rangeEnd) { + return this.index.getText(rangeStart, rangeEnd - rangeStart); + }; + LineIndexSnapshot.prototype.getLength = function () { + return this.index.root.charCount(); + }; + LineIndexSnapshot.prototype.getLineStartPositions = function () { + var starts = [-1]; + var count = 1; + var pos = 0; + this.index.every(function (ll, s, len) { + starts[count] = pos; + count++; + pos += ll.text.length; + return true; + }, 0); + return starts; + }; + LineIndexSnapshot.prototype.getLineMapper = function () { + var _this = this; + return function (line) { + return _this.index.lineNumberToInfo(line).offset; + }; + }; + LineIndexSnapshot.prototype.getTextChangeRangeSinceVersion = function (scriptVersion) { + if (this.version <= scriptVersion) { + return ts.unchangedTextChangeRange; + } + else { + return this.cache.getTextChangesBetweenVersions(scriptVersion, this.version); + } + }; + LineIndexSnapshot.prototype.getChangeRange = function (oldSnapshot) { + var oldSnap = oldSnapshot; + return this.getTextChangeRangeSinceVersion(oldSnap.version); + }; + return LineIndexSnapshot; + }()); + server.LineIndexSnapshot = LineIndexSnapshot; + var LineIndex = (function () { + function LineIndex() { + this.checkEdits = false; + } + LineIndex.prototype.charOffsetToLineNumberAndPos = function (charOffset) { + return this.root.charOffsetToLineNumberAndPos(1, charOffset); + }; + LineIndex.prototype.lineNumberToInfo = function (lineNumber) { + var lineCount = this.root.lineCount(); + if (lineNumber <= lineCount) { + var lineInfo = this.root.lineNumberToInfo(lineNumber, 0); + lineInfo.line = lineNumber; + return lineInfo; + } + else { + return { + line: lineNumber, + offset: this.root.charCount() + }; + } + }; + LineIndex.prototype.load = function (lines) { + if (lines.length > 0) { + var leaves = []; + for (var i = 0, len = lines.length; i < len; i++) { + leaves[i] = new LineLeaf(lines[i]); + } + this.root = LineIndex.buildTreeFromBottom(leaves); + } + else { + this.root = new LineNode(); + } + }; + LineIndex.prototype.walk = function (rangeStart, rangeLength, walkFns) { + this.root.walk(rangeStart, rangeLength, walkFns); + }; + LineIndex.prototype.getText = function (rangeStart, rangeLength) { + var accum = ""; + if ((rangeLength > 0) && (rangeStart < this.root.charCount())) { + this.walk(rangeStart, rangeLength, { + goSubtree: true, + done: false, + leaf: function (relativeStart, relativeLength, ll) { + accum = accum.concat(ll.text.substring(relativeStart, relativeStart + relativeLength)); + } + }); + } + return accum; + }; + LineIndex.prototype.getLength = function () { + return this.root.charCount(); + }; + LineIndex.prototype.every = function (f, rangeStart, rangeEnd) { + if (!rangeEnd) { + rangeEnd = this.root.charCount(); + } + var walkFns = { + goSubtree: true, + done: false, + leaf: function (relativeStart, relativeLength, ll) { + if (!f(ll, relativeStart, relativeLength)) { + this.done = true; + } + } + }; + this.walk(rangeStart, rangeEnd - rangeStart, walkFns); + return !walkFns.done; + }; + LineIndex.prototype.edit = function (pos, deleteLength, newText) { + function editFlat(source, s, dl, nt) { + if (nt === void 0) { nt = ""; } + return source.substring(0, s) + nt + source.substring(s + dl, source.length); + } + if (this.root.charCount() === 0) { + if (newText) { + this.load(LineIndex.linesFromText(newText).lines); + return this; + } + } + else { + var checkText = void 0; + if (this.checkEdits) { + checkText = editFlat(this.getText(0, this.root.charCount()), pos, deleteLength, newText); + } + var walker = new EditWalker(); + if (pos >= this.root.charCount()) { + pos = this.root.charCount() - 1; + var endString = this.getText(pos, 1); + if (newText) { + newText = endString + newText; + } + else { + newText = endString; + } + deleteLength = 0; + walker.suppressTrailingText = true; + } + else if (deleteLength > 0) { + var e = pos + deleteLength; + var lineInfo = this.charOffsetToLineNumberAndPos(e); + if ((lineInfo && (lineInfo.offset === 0))) { + deleteLength += lineInfo.text.length; + if (newText) { + newText = newText + lineInfo.text; + } + else { + newText = lineInfo.text; + } + } + } + if (pos < this.root.charCount()) { + this.root.walk(pos, deleteLength, walker); + walker.insertLines(newText); + } + if (this.checkEdits) { + var updatedText = this.getText(0, this.root.charCount()); + ts.Debug.assert(checkText == updatedText, "buffer edit mismatch"); + } + return walker.lineIndex; + } + }; + LineIndex.buildTreeFromBottom = function (nodes) { + var nodeCount = Math.ceil(nodes.length / lineCollectionCapacity); + var interiorNodes = []; + var nodeIndex = 0; + for (var i = 0; i < nodeCount; i++) { + interiorNodes[i] = new LineNode(); + var charCount = 0; + var lineCount = 0; + for (var j = 0; j < lineCollectionCapacity; j++) { + if (nodeIndex < nodes.length) { + interiorNodes[i].add(nodes[nodeIndex]); + charCount += nodes[nodeIndex].charCount(); + lineCount += nodes[nodeIndex].lineCount(); + } + else { + break; + } + nodeIndex++; + } + interiorNodes[i].totalChars = charCount; + interiorNodes[i].totalLines = lineCount; + } + if (interiorNodes.length === 1) { + return interiorNodes[0]; + } + else { + return this.buildTreeFromBottom(interiorNodes); + } + }; + LineIndex.linesFromText = function (text) { + var lineStarts = ts.computeLineStarts(text); + if (lineStarts.length === 0) { + return { lines: [], lineMap: lineStarts }; + } + var lines = new Array(lineStarts.length); + var lc = lineStarts.length - 1; + for (var lmi = 0; lmi < lc; lmi++) { + lines[lmi] = text.substring(lineStarts[lmi], lineStarts[lmi + 1]); + } + var endText = text.substring(lineStarts[lc]); + if (endText.length > 0) { + lines[lc] = endText; + } + else { + lines.length--; + } + return { lines: lines, lineMap: lineStarts }; + }; + return LineIndex; + }()); + server.LineIndex = LineIndex; + var LineNode = (function () { + function LineNode() { + this.totalChars = 0; + this.totalLines = 0; + this.children = []; + } + LineNode.prototype.isLeaf = function () { + return false; + }; + LineNode.prototype.updateCounts = function () { + this.totalChars = 0; + this.totalLines = 0; + for (var i = 0, len = this.children.length; i < len; i++) { + var child = this.children[i]; + this.totalChars += child.charCount(); + this.totalLines += child.lineCount(); + } + }; + LineNode.prototype.execWalk = function (rangeStart, rangeLength, walkFns, childIndex, nodeType) { + if (walkFns.pre) { + walkFns.pre(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + } + if (walkFns.goSubtree) { + this.children[childIndex].walk(rangeStart, rangeLength, walkFns); + if (walkFns.post) { + walkFns.post(rangeStart, rangeLength, this.children[childIndex], this, nodeType); + } + } + else { + walkFns.goSubtree = true; + } + return walkFns.done; + }; + LineNode.prototype.skipChild = function (relativeStart, relativeLength, childIndex, walkFns, nodeType) { + if (walkFns.pre && (!walkFns.done)) { + walkFns.pre(relativeStart, relativeLength, this.children[childIndex], this, nodeType); + walkFns.goSubtree = true; + } + }; + LineNode.prototype.walk = function (rangeStart, rangeLength, walkFns) { + var childIndex = 0; + var child = this.children[0]; + var childCharCount = child.charCount(); + var adjustedStart = rangeStart; + while (adjustedStart >= childCharCount) { + this.skipChild(adjustedStart, rangeLength, childIndex, walkFns, CharRangeSection.PreStart); + adjustedStart -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if ((adjustedStart + rangeLength) <= childCharCount) { + if (this.execWalk(adjustedStart, rangeLength, walkFns, childIndex, CharRangeSection.Entire)) { + return; + } + } + else { + if (this.execWalk(adjustedStart, childCharCount - adjustedStart, walkFns, childIndex, CharRangeSection.Start)) { + return; + } + var adjustedLength = rangeLength - (childCharCount - adjustedStart); + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + while (adjustedLength > childCharCount) { + if (this.execWalk(0, childCharCount, walkFns, childIndex, CharRangeSection.Mid)) { + return; + } + adjustedLength -= childCharCount; + childIndex++; + child = this.children[childIndex]; + childCharCount = child.charCount(); + } + if (adjustedLength > 0) { + if (this.execWalk(0, adjustedLength, walkFns, childIndex, CharRangeSection.End)) { + return; + } + } + } + if (walkFns.pre) { + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var ej = childIndex + 1; ej < clen; ej++) { + this.skipChild(0, 0, ej, walkFns, CharRangeSection.PostEnd); + } + } + } + }; + LineNode.prototype.charOffsetToLineNumberAndPos = function (lineNumber, charOffset) { + var childInfo = this.childFromCharOffset(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset + }; + } + else if (childInfo.childIndex < this.children.length) { + if (childInfo.child.isLeaf()) { + return { + line: childInfo.lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.charOffsetToLineNumberAndPos(childInfo.lineNumber, childInfo.charOffset); + } + } + else { + var lineInfo = this.lineNumberToInfo(this.lineCount(), 0); + return { line: this.lineCount(), offset: lineInfo.leaf.charCount() }; + } + }; + LineNode.prototype.lineNumberToInfo = function (lineNumber, charOffset) { + var childInfo = this.childFromLineNumber(lineNumber, charOffset); + if (!childInfo.child) { + return { + line: lineNumber, + offset: charOffset + }; + } + else if (childInfo.child.isLeaf()) { + return { + line: lineNumber, + offset: childInfo.charOffset, + text: (childInfo.child).text, + leaf: (childInfo.child) + }; + } + else { + var lineNode = (childInfo.child); + return lineNode.lineNumberToInfo(childInfo.relativeLineNumber, childInfo.charOffset); + } + }; + LineNode.prototype.childFromLineNumber = function (lineNumber, charOffset) { + var child; + var relativeLineNumber = lineNumber; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + var childLineCount = child.lineCount(); + if (childLineCount >= relativeLineNumber) { + break; + } + else { + relativeLineNumber -= childLineCount; + charOffset += child.charCount(); + } + } + return { + child: child, + childIndex: i, + relativeLineNumber: relativeLineNumber, + charOffset: charOffset + }; + }; + LineNode.prototype.childFromCharOffset = function (lineNumber, charOffset) { + var child; + var i; + var len; + for (i = 0, len = this.children.length; i < len; i++) { + child = this.children[i]; + if (child.charCount() > charOffset) { + break; + } + else { + charOffset -= child.charCount(); + lineNumber += child.lineCount(); + } + } + return { + child: child, + childIndex: i, + charOffset: charOffset, + lineNumber: lineNumber + }; + }; + LineNode.prototype.splitAfter = function (childIndex) { + var splitNode; + var clen = this.children.length; + childIndex++; + var endLength = childIndex; + if (childIndex < clen) { + splitNode = new LineNode(); + while (childIndex < clen) { + splitNode.add(this.children[childIndex]); + childIndex++; + } + splitNode.updateCounts(); + } + this.children.length = endLength; + return splitNode; + }; + LineNode.prototype.remove = function (child) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + if (childIndex < (clen - 1)) { + for (var i = childIndex; i < (clen - 1); i++) { + this.children[i] = this.children[i + 1]; + } + } + this.children.length--; + }; + LineNode.prototype.findChildIndex = function (child) { + var childIndex = 0; + var clen = this.children.length; + while ((this.children[childIndex] !== child) && (childIndex < clen)) + childIndex++; + return childIndex; + }; + LineNode.prototype.insertAt = function (child, nodes) { + var childIndex = this.findChildIndex(child); + var clen = this.children.length; + var nodeCount = nodes.length; + if ((clen < lineCollectionCapacity) && (childIndex === (clen - 1)) && (nodeCount === 1)) { + this.add(nodes[0]); + this.updateCounts(); + return []; + } + else { + var shiftNode = this.splitAfter(childIndex); + var nodeIndex = 0; + childIndex++; + while ((childIndex < lineCollectionCapacity) && (nodeIndex < nodeCount)) { + this.children[childIndex] = nodes[nodeIndex]; + childIndex++; + nodeIndex++; + } + var splitNodes = []; + var splitNodeCount = 0; + if (nodeIndex < nodeCount) { + splitNodeCount = Math.ceil((nodeCount - nodeIndex) / lineCollectionCapacity); + splitNodes = new Array(splitNodeCount); + var splitNodeIndex = 0; + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i] = new LineNode(); + } + var splitNode = splitNodes[0]; + while (nodeIndex < nodeCount) { + splitNode.add(nodes[nodeIndex]); + nodeIndex++; + if (splitNode.children.length === lineCollectionCapacity) { + splitNodeIndex++; + splitNode = splitNodes[splitNodeIndex]; + } + } + for (var i = splitNodes.length - 1; i >= 0; i--) { + if (splitNodes[i].children.length === 0) { + splitNodes.length--; + } + } + } + if (shiftNode) { + splitNodes[splitNodes.length] = shiftNode; + } + this.updateCounts(); + for (var i = 0; i < splitNodeCount; i++) { + splitNodes[i].updateCounts(); + } + return splitNodes; + } + }; + LineNode.prototype.add = function (collection) { + this.children[this.children.length] = collection; + return (this.children.length < lineCollectionCapacity); + }; + LineNode.prototype.charCount = function () { + return this.totalChars; + }; + LineNode.prototype.lineCount = function () { + return this.totalLines; + }; + return LineNode; + }()); + server.LineNode = LineNode; + var LineLeaf = (function () { + function LineLeaf(text) { + this.text = text; + } + LineLeaf.prototype.setUdata = function (data) { + this.udata = data; + }; + LineLeaf.prototype.getUdata = function () { + return this.udata; + }; + LineLeaf.prototype.isLeaf = function () { + return true; + }; + LineLeaf.prototype.walk = function (rangeStart, rangeLength, walkFns) { + walkFns.leaf(rangeStart, rangeLength, this); + }; + LineLeaf.prototype.charCount = function () { + return this.text.length; + }; + LineLeaf.prototype.lineCount = function () { + return 1; + }; + return LineLeaf; + }()); + server.LineLeaf = LineLeaf; + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var ts; +(function (ts) { + var server; + (function (server) { + var readline = require("readline"); + var fs = require("fs"); + var rl = readline.createInterface({ + input: process.stdin, + output: process.stdout, + terminal: false + }); + var Logger = (function () { + function Logger(logFilename, level) { + this.logFilename = logFilename; + this.level = level; + this.fd = -1; + this.seq = 0; + this.inGroup = false; + this.firstInGroup = true; + } + Logger.padStringRight = function (str, padding) { + return (str + padding).slice(0, padding.length); + }; + Logger.prototype.close = function () { + if (this.fd >= 0) { + fs.close(this.fd); + } + }; + Logger.prototype.perftrc = function (s) { + this.msg(s, "Perf"); + }; + Logger.prototype.info = function (s) { + this.msg(s, "Info"); + }; + Logger.prototype.startGroup = function () { + this.inGroup = true; + this.firstInGroup = true; + }; + Logger.prototype.endGroup = function () { + this.inGroup = false; + this.seq++; + this.firstInGroup = true; + }; + Logger.prototype.loggingEnabled = function () { + return !!this.logFilename; + }; + Logger.prototype.isVerbose = function () { + return this.loggingEnabled() && (this.level == "verbose"); + }; + Logger.prototype.msg = function (s, type) { + if (type === void 0) { type = "Err"; } + if (this.fd < 0) { + if (this.logFilename) { + this.fd = fs.openSync(this.logFilename, "w"); + } + } + if (this.fd >= 0) { + s = s + "\n"; + var prefix = Logger.padStringRight(type + " " + this.seq.toString(), " "); + if (this.firstInGroup) { + s = prefix + s; + this.firstInGroup = false; + } + if (!this.inGroup) { + this.seq++; + this.firstInGroup = true; + } + var buf = new Buffer(s); + fs.writeSync(this.fd, buf, 0, buf.length, null); + } + }; + return Logger; + }()); + var IOSession = (function (_super) { + __extends(IOSession, _super); + function IOSession(host, logger) { + _super.call(this, host, Buffer.byteLength, process.hrtime, logger); + } + IOSession.prototype.exit = function () { + this.projectService.log("Exiting...", "Info"); + this.projectService.closeLog(); + process.exit(0); + }; + IOSession.prototype.listen = function () { + var _this = this; + rl.on("line", function (input) { + var message = input.trim(); + _this.onMessage(message); + }); + rl.on("close", function () { + _this.exit(); + }); + }; + return IOSession; + }(server.Session)); + function parseLoggingEnvironmentString(logEnvStr) { + var logEnv = {}; + var args = logEnvStr.split(" "); + for (var i = 0, len = args.length; i < (len - 1); i += 2) { + var option = args[i]; + var value = args[i + 1]; + if (option && value) { + switch (option) { + case "-file": + logEnv.file = value; + break; + case "-level": + logEnv.detailLevel = value; + break; + } + } + } + return logEnv; + } + function createLoggerFromEnv() { + var fileName = undefined; + var detailLevel = "normal"; + var logEnvStr = process.env["TSS_LOG"]; + if (logEnvStr) { + var logEnv = parseLoggingEnvironmentString(logEnvStr); + if (logEnv.file) { + fileName = logEnv.file; + } + else { + fileName = __dirname + "/.log" + process.pid.toString(); + } + if (logEnv.detailLevel) { + detailLevel = logEnv.detailLevel; + } + } + return new Logger(fileName, detailLevel); + } + var logger = createLoggerFromEnv(); + var pending = []; + var canWrite = true; + function writeMessage(s) { + if (!canWrite) { + pending.push(s); + } + else { + canWrite = false; + process.stdout.write(new Buffer(s, "utf8"), setCanWriteFlagAndWriteMessageIfNecessary); + } + } + function setCanWriteFlagAndWriteMessageIfNecessary() { + canWrite = true; + if (pending.length) { + writeMessage(pending.shift()); + } + } + ts.sys.write = function (s) { return writeMessage(s); }; + var ioSession = new IOSession(ts.sys, logger); + process.on("uncaughtException", function (err) { + ioSession.logError(err, "unknown"); + }); + ioSession.listen(); + })(server = ts.server || (ts.server = {})); +})(ts || (ts = {})); +var debugObjectHost = this; +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + if (encoded == null) { + return null; + } + var decoded = JSON.parse(encoded); + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); + return ts.map(moduleNames, function (name) { + var result = ts.lookUp(resolutionsInFile, name); + return result ? { resolvedFileName: result } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + return undefined; + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + if (settingsJson == null || settingsJson == "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + return JSON.parse(settingsJson); + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return this.files = JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + var ThrottledCancellationToken = (function () { + function ThrottledCancellationToken(hostCancellationToken) { + this.hostCancellationToken = hostCancellationToken; + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = Date.now(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration > 10) { + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); + } + return false; + }; + return ThrottledCancellationToken; + }()); + var CoreServicesShimHostAdapter = (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { + var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); + return JSON.parse(encoded); + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = Date.now(); + } + var result = action(); + if (logPerformance) { + var end = Date.now(); + logger.log(actionDescription + " completed in " + (end - start) + " msec"); + if (typeof result === "string") { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; + } + logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); + } + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return JSON.stringify({ result: result }); + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); + } + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), + code: diagnostic.code + }; + } + var LanguageServiceShimObject = (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + _super.call(this, factory); + this.host = host; + this.languageService = languageService; + this.logPerformance = false; + this.logger = this.host; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; + _super.prototype.dispose.call(this, dummy); + }; + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return ts.realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); + }; + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); + return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); + }); + }; + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + _super.call(this, factory); + this.logger = logger; + this.logPerformance = false; + this.classifier = ts.createClassifier(); + } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; + } + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + _super.call(this, factory); + this.logger = logger; + this.host = host; + this.logPerformance = false; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { + var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), true, true); + var convertResult = { + referencedFiles: [], + importedFiles: [], + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile + }; + ts.forEach(result.referencedFiles, function (refFile) { + convertResult.referencedFiles.push({ + path: ts.normalizePath(refFile.fileName), + position: refFile.pos, + length: refFile.end - refFile.pos + }); + }); + ts.forEach(result.importedFiles, function (importedFile) { + convertResult.importedFiles.push({ + path: ts.normalizeSlashes(importedFile.fileName), + position: importedFile.pos, + length: importedFile.end - importedFile.pos + }); + }); + return convertResult; + }); + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { + var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); + var result = ts.parseConfigFileTextToJson(fileName, text); + if (result.error) { + return { + options: {}, + files: [], + errors: [realizeDiagnostic(result.error, "\r\n")] + }; + } + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), {}, normalizedFileName); + return { + options: configFile.options, + files: configFile.fileNames, + errors: realizeDiagnostics(configFile.errors, "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = (function () { + function TypeScriptServicesFactory() { + this._shims = []; + } + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + } + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); + return new LanguageServiceShimObject(this, host, languageService); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); + } + catch (err) { + logInternalError(logger, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.close = function () { + this._shims = []; + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0, n = this._shims.length; i < n; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; + } + } + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; + if (typeof module !== "undefined" && module.exports) { + module.exports = ts; + } +})(ts || (ts = {})); +var TypeScript; +(function (TypeScript) { + var Services; + (function (Services) { + Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + })(Services = TypeScript.Services || (TypeScript.Services = {})); +})(TypeScript || (TypeScript = {})); +var toolsVersion = "1.8"; diff --git a/lib/typescript.d.ts b/lib/typescript.d.ts index 5f196d68bb56c..dd32085e5c1ed 100644 --- a/lib/typescript.d.ts +++ b/lib/typescript.d.ts @@ -13,2309 +13,2309 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -declare namespace ts { - interface Map { - [index: string]: T; - } - type Path = string & { - __pathBrand: any; - }; - interface FileMap { - get(fileName: Path): T; - set(fileName: Path, value: T): void; - contains(fileName: Path): boolean; - remove(fileName: Path): void; - forEachValue(f: (key: Path, v: T) => void): void; - clear(): void; - } - interface TextRange { - pos: number; - end: number; - } - enum SyntaxKind { - Unknown = 0, - EndOfFileToken = 1, - SingleLineCommentTrivia = 2, - MultiLineCommentTrivia = 3, - NewLineTrivia = 4, - WhitespaceTrivia = 5, - ShebangTrivia = 6, - ConflictMarkerTrivia = 7, - NumericLiteral = 8, - StringLiteral = 9, - RegularExpressionLiteral = 10, - NoSubstitutionTemplateLiteral = 11, - TemplateHead = 12, - TemplateMiddle = 13, - TemplateTail = 14, - OpenBraceToken = 15, - CloseBraceToken = 16, - OpenParenToken = 17, - CloseParenToken = 18, - OpenBracketToken = 19, - CloseBracketToken = 20, - DotToken = 21, - DotDotDotToken = 22, - SemicolonToken = 23, - CommaToken = 24, - LessThanToken = 25, - LessThanSlashToken = 26, - GreaterThanToken = 27, - LessThanEqualsToken = 28, - GreaterThanEqualsToken = 29, - EqualsEqualsToken = 30, - ExclamationEqualsToken = 31, - EqualsEqualsEqualsToken = 32, - ExclamationEqualsEqualsToken = 33, - EqualsGreaterThanToken = 34, - PlusToken = 35, - MinusToken = 36, - AsteriskToken = 37, - AsteriskAsteriskToken = 38, - SlashToken = 39, - PercentToken = 40, - PlusPlusToken = 41, - MinusMinusToken = 42, - LessThanLessThanToken = 43, - GreaterThanGreaterThanToken = 44, - GreaterThanGreaterThanGreaterThanToken = 45, - AmpersandToken = 46, - BarToken = 47, - CaretToken = 48, - ExclamationToken = 49, - TildeToken = 50, - AmpersandAmpersandToken = 51, - BarBarToken = 52, - QuestionToken = 53, - ColonToken = 54, - AtToken = 55, - EqualsToken = 56, - PlusEqualsToken = 57, - MinusEqualsToken = 58, - AsteriskEqualsToken = 59, - AsteriskAsteriskEqualsToken = 60, - SlashEqualsToken = 61, - PercentEqualsToken = 62, - LessThanLessThanEqualsToken = 63, - GreaterThanGreaterThanEqualsToken = 64, - GreaterThanGreaterThanGreaterThanEqualsToken = 65, - AmpersandEqualsToken = 66, - BarEqualsToken = 67, - CaretEqualsToken = 68, - Identifier = 69, - BreakKeyword = 70, - CaseKeyword = 71, - CatchKeyword = 72, - ClassKeyword = 73, - ConstKeyword = 74, - ContinueKeyword = 75, - DebuggerKeyword = 76, - DefaultKeyword = 77, - DeleteKeyword = 78, - DoKeyword = 79, - ElseKeyword = 80, - EnumKeyword = 81, - ExportKeyword = 82, - ExtendsKeyword = 83, - FalseKeyword = 84, - FinallyKeyword = 85, - ForKeyword = 86, - FunctionKeyword = 87, - IfKeyword = 88, - ImportKeyword = 89, - InKeyword = 90, - InstanceOfKeyword = 91, - NewKeyword = 92, - NullKeyword = 93, - ReturnKeyword = 94, - SuperKeyword = 95, - SwitchKeyword = 96, - ThisKeyword = 97, - ThrowKeyword = 98, - TrueKeyword = 99, - TryKeyword = 100, - TypeOfKeyword = 101, - VarKeyword = 102, - VoidKeyword = 103, - WhileKeyword = 104, - WithKeyword = 105, - ImplementsKeyword = 106, - InterfaceKeyword = 107, - LetKeyword = 108, - PackageKeyword = 109, - PrivateKeyword = 110, - ProtectedKeyword = 111, - PublicKeyword = 112, - StaticKeyword = 113, - YieldKeyword = 114, - AbstractKeyword = 115, - AsKeyword = 116, - AnyKeyword = 117, - AsyncKeyword = 118, - AwaitKeyword = 119, - BooleanKeyword = 120, - ConstructorKeyword = 121, - DeclareKeyword = 122, - GetKeyword = 123, - IsKeyword = 124, - ModuleKeyword = 125, - NamespaceKeyword = 126, - RequireKeyword = 127, - NumberKeyword = 128, - SetKeyword = 129, - StringKeyword = 130, - SymbolKeyword = 131, - TypeKeyword = 132, - FromKeyword = 133, - GlobalKeyword = 134, - OfKeyword = 135, - QualifiedName = 136, - ComputedPropertyName = 137, - TypeParameter = 138, - Parameter = 139, - Decorator = 140, - PropertySignature = 141, - PropertyDeclaration = 142, - MethodSignature = 143, - MethodDeclaration = 144, - Constructor = 145, - GetAccessor = 146, - SetAccessor = 147, - CallSignature = 148, - ConstructSignature = 149, - IndexSignature = 150, - TypePredicate = 151, - TypeReference = 152, - FunctionType = 153, - ConstructorType = 154, - TypeQuery = 155, - TypeLiteral = 156, - ArrayType = 157, - TupleType = 158, - UnionType = 159, - IntersectionType = 160, - ParenthesizedType = 161, - ThisType = 162, - StringLiteralType = 163, - ObjectBindingPattern = 164, - ArrayBindingPattern = 165, - BindingElement = 166, - ArrayLiteralExpression = 167, - ObjectLiteralExpression = 168, - PropertyAccessExpression = 169, - ElementAccessExpression = 170, - CallExpression = 171, - NewExpression = 172, - TaggedTemplateExpression = 173, - TypeAssertionExpression = 174, - ParenthesizedExpression = 175, - FunctionExpression = 176, - ArrowFunction = 177, - DeleteExpression = 178, - TypeOfExpression = 179, - VoidExpression = 180, - AwaitExpression = 181, - PrefixUnaryExpression = 182, - PostfixUnaryExpression = 183, - BinaryExpression = 184, - ConditionalExpression = 185, - TemplateExpression = 186, - YieldExpression = 187, - SpreadElementExpression = 188, - ClassExpression = 189, - OmittedExpression = 190, - ExpressionWithTypeArguments = 191, - AsExpression = 192, - TemplateSpan = 193, - SemicolonClassElement = 194, - Block = 195, - VariableStatement = 196, - EmptyStatement = 197, - ExpressionStatement = 198, - IfStatement = 199, - DoStatement = 200, - WhileStatement = 201, - ForStatement = 202, - ForInStatement = 203, - ForOfStatement = 204, - ContinueStatement = 205, - BreakStatement = 206, - ReturnStatement = 207, - WithStatement = 208, - SwitchStatement = 209, - LabeledStatement = 210, - ThrowStatement = 211, - TryStatement = 212, - DebuggerStatement = 213, - VariableDeclaration = 214, - VariableDeclarationList = 215, - FunctionDeclaration = 216, - ClassDeclaration = 217, - InterfaceDeclaration = 218, - TypeAliasDeclaration = 219, - EnumDeclaration = 220, - ModuleDeclaration = 221, - ModuleBlock = 222, - CaseBlock = 223, - ImportEqualsDeclaration = 224, - ImportDeclaration = 225, - ImportClause = 226, - NamespaceImport = 227, - NamedImports = 228, - ImportSpecifier = 229, - ExportAssignment = 230, - ExportDeclaration = 231, - NamedExports = 232, - ExportSpecifier = 233, - MissingDeclaration = 234, - ExternalModuleReference = 235, - JsxElement = 236, - JsxSelfClosingElement = 237, - JsxOpeningElement = 238, - JsxText = 239, - JsxClosingElement = 240, - JsxAttribute = 241, - JsxSpreadAttribute = 242, - JsxExpression = 243, - CaseClause = 244, - DefaultClause = 245, - HeritageClause = 246, - CatchClause = 247, - PropertyAssignment = 248, - ShorthandPropertyAssignment = 249, - EnumMember = 250, - SourceFile = 251, - JSDocTypeExpression = 252, - JSDocAllType = 253, - JSDocUnknownType = 254, - JSDocArrayType = 255, - JSDocUnionType = 256, - JSDocTupleType = 257, - JSDocNullableType = 258, - JSDocNonNullableType = 259, - JSDocRecordType = 260, - JSDocRecordMember = 261, - JSDocTypeReference = 262, - JSDocOptionalType = 263, - JSDocFunctionType = 264, - JSDocVariadicType = 265, - JSDocConstructorType = 266, - JSDocThisType = 267, - JSDocComment = 268, - JSDocTag = 269, - JSDocParameterTag = 270, - JSDocReturnTag = 271, - JSDocTypeTag = 272, - JSDocTemplateTag = 273, - SyntaxList = 274, - Count = 275, - FirstAssignment = 56, - LastAssignment = 68, - FirstReservedWord = 70, - LastReservedWord = 105, - FirstKeyword = 70, - LastKeyword = 135, - FirstFutureReservedWord = 106, - LastFutureReservedWord = 114, - FirstTypeNode = 151, - LastTypeNode = 163, - FirstPunctuation = 15, - LastPunctuation = 68, - FirstToken = 0, - LastToken = 135, - FirstTriviaToken = 2, - LastTriviaToken = 7, - FirstLiteralToken = 8, - LastLiteralToken = 11, - FirstTemplateToken = 11, - LastTemplateToken = 14, - FirstBinaryOperator = 25, - LastBinaryOperator = 68, - FirstNode = 136, - } - enum NodeFlags { - None = 0, - Export = 2, - Ambient = 4, - Public = 8, - Private = 16, - Protected = 32, - Static = 64, - Abstract = 128, - Async = 256, - Default = 512, - MultiLine = 1024, - Synthetic = 2048, - DeclarationFile = 4096, - Let = 8192, - Const = 16384, - OctalLiteral = 32768, - Namespace = 65536, - ExportContext = 131072, - ContainsThis = 262144, - HasImplicitReturn = 524288, - HasExplicitReturn = 1048576, - GlobalAugmentation = 2097152, - HasClassExtends = 4194304, - HasDecorators = 8388608, - HasParamDecorators = 16777216, - HasAsyncFunctions = 33554432, - Modifier = 1022, - AccessibilityModifier = 56, - BlockScoped = 24576, - ReachabilityCheckFlags = 1572864, - EmitHelperFlags = 62914560, - } - enum JsxFlags { - None = 0, - /** An element from a named property of the JSX.IntrinsicElements interface */ - IntrinsicNamedElement = 1, - /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ - IntrinsicIndexedElement = 2, - /** An element backed by a class, class-like, or function value */ - ValueElement = 4, - /** Element resolution failed */ - UnknownElement = 16, - IntrinsicElement = 3, - } - interface Node extends TextRange { - kind: SyntaxKind; - flags: NodeFlags; - decorators?: NodeArray; - modifiers?: ModifiersArray; - parent?: Node; - } - interface NodeArray extends Array, TextRange { - hasTrailingComma?: boolean; - } - interface ModifiersArray extends NodeArray { - flags: number; - } - interface Modifier extends Node { - } - interface Identifier extends PrimaryExpression { - text: string; - originalKeywordKind?: SyntaxKind; - } - interface QualifiedName extends Node { - left: EntityName; - right: Identifier; - } - type EntityName = Identifier | QualifiedName; - type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; - type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; - interface Declaration extends Node { - _declarationBrand: any; - name?: DeclarationName; - } - interface DeclarationStatement extends Declaration, Statement { - name?: Identifier; - } - interface ComputedPropertyName extends Node { - expression: Expression; - } - interface Decorator extends Node { - expression: LeftHandSideExpression; - } - interface TypeParameterDeclaration extends Declaration { - name: Identifier; - constraint?: TypeNode; - expression?: Expression; - } - interface SignatureDeclaration extends Declaration { - name?: PropertyName; - typeParameters?: NodeArray; - parameters: NodeArray; - type?: TypeNode; - } - interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { - } - interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { - } - interface VariableDeclaration extends Declaration { - parent?: VariableDeclarationList; - name: Identifier | BindingPattern; - type?: TypeNode; - initializer?: Expression; - } - interface VariableDeclarationList extends Node { - declarations: NodeArray; - } - interface ParameterDeclaration extends Declaration { - dotDotDotToken?: Node; - name: Identifier | BindingPattern; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface BindingElement extends Declaration { - propertyName?: PropertyName; - dotDotDotToken?: Node; - name: Identifier | BindingPattern; - initializer?: Expression; - } - interface PropertySignature extends TypeElement { - name: PropertyName; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface PropertyDeclaration extends ClassElement { - questionToken?: Node; - name: PropertyName; - type?: TypeNode; - initializer?: Expression; - } - interface ObjectLiteralElement extends Declaration { - _objectLiteralBrandBrand: any; - name?: PropertyName; - } - interface PropertyAssignment extends ObjectLiteralElement { - _propertyAssignmentBrand: any; - name: PropertyName; - questionToken?: Node; - initializer: Expression; - } - interface ShorthandPropertyAssignment extends ObjectLiteralElement { - name: Identifier; - questionToken?: Node; - equalsToken?: Node; - objectAssignmentInitializer?: Expression; - } - interface VariableLikeDeclaration extends Declaration { - propertyName?: PropertyName; - dotDotDotToken?: Node; - name: DeclarationName; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface PropertyLikeDeclaration extends Declaration { - name: PropertyName; - } - interface BindingPattern extends Node { - elements: NodeArray; - } - interface ObjectBindingPattern extends BindingPattern { - } - interface ArrayBindingPattern extends BindingPattern { - } - /** - * Several node kinds share function-like features such as a signature, - * a name, and a body. These nodes should extend FunctionLikeDeclaration. - * Examples: - * - FunctionDeclaration - * - MethodDeclaration - * - AccessorDeclaration - */ - interface FunctionLikeDeclaration extends SignatureDeclaration { - _functionLikeDeclarationBrand: any; - asteriskToken?: Node; - questionToken?: Node; - body?: Block | Expression; - } - interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { - name?: Identifier; - body?: FunctionBody; - } - interface MethodSignature extends SignatureDeclaration, TypeElement { - name: PropertyName; - } - interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - name: PropertyName; - body?: FunctionBody; - } - interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { - body?: FunctionBody; - } - interface SemicolonClassElement extends ClassElement { - _semicolonClassElementBrand: any; - } - interface AccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - _accessorDeclarationBrand: any; - name: PropertyName; - body: FunctionBody; - } - interface GetAccessorDeclaration extends AccessorDeclaration { - } - interface SetAccessorDeclaration extends AccessorDeclaration { - } - interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { - _indexSignatureDeclarationBrand: any; - } - interface TypeNode extends Node { - _typeNodeBrand: any; - } - interface ThisTypeNode extends TypeNode { - _thisTypeNodeBrand: any; - } - interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { - _functionOrConstructorTypeNodeBrand: any; - } - interface FunctionTypeNode extends FunctionOrConstructorTypeNode { - } - interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { - } - interface TypeReferenceNode extends TypeNode { - typeName: EntityName; - typeArguments?: NodeArray; - } - interface TypePredicateNode extends TypeNode { - parameterName: Identifier | ThisTypeNode; - type: TypeNode; - } - interface TypeQueryNode extends TypeNode { - exprName: EntityName; - } - interface TypeLiteralNode extends TypeNode, Declaration { - members: NodeArray; - } - interface ArrayTypeNode extends TypeNode { - elementType: TypeNode; - } - interface TupleTypeNode extends TypeNode { - elementTypes: NodeArray; - } - interface UnionOrIntersectionTypeNode extends TypeNode { - types: NodeArray; - } - interface UnionTypeNode extends UnionOrIntersectionTypeNode { - } - interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { - } - interface ParenthesizedTypeNode extends TypeNode { - type: TypeNode; - } - interface StringLiteralTypeNode extends LiteralLikeNode, TypeNode { - _stringLiteralTypeBrand: any; - } - interface StringLiteral extends LiteralExpression { - _stringLiteralBrand: any; - } - interface Expression extends Node { - _expressionBrand: any; - contextualType?: Type; - } - interface OmittedExpression extends Expression { - } - interface UnaryExpression extends Expression { - _unaryExpressionBrand: any; - } - interface IncrementExpression extends UnaryExpression { - _incrementExpressionBrand: any; - } - interface PrefixUnaryExpression extends IncrementExpression { - operator: SyntaxKind; - operand: UnaryExpression; - } - interface PostfixUnaryExpression extends IncrementExpression { - operand: LeftHandSideExpression; - operator: SyntaxKind; - } - interface PostfixExpression extends UnaryExpression { - _postfixExpressionBrand: any; - } - interface LeftHandSideExpression extends IncrementExpression { - _leftHandSideExpressionBrand: any; - } - interface MemberExpression extends LeftHandSideExpression { - _memberExpressionBrand: any; - } - interface PrimaryExpression extends MemberExpression { - _primaryExpressionBrand: any; - } - interface DeleteExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface TypeOfExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface VoidExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface AwaitExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface YieldExpression extends Expression { - asteriskToken?: Node; - expression?: Expression; - } - interface BinaryExpression extends Expression, Declaration { - left: Expression; - operatorToken: Node; - right: Expression; - } - interface ConditionalExpression extends Expression { - condition: Expression; - questionToken: Node; - whenTrue: Expression; - colonToken: Node; - whenFalse: Expression; - } - type FunctionBody = Block; - type ConciseBody = FunctionBody | Expression; - interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { - name?: Identifier; - body: FunctionBody; - } - interface ArrowFunction extends Expression, FunctionLikeDeclaration { - equalsGreaterThanToken: Node; - body: ConciseBody; - } - interface LiteralLikeNode extends Node { - text: string; - isUnterminated?: boolean; - hasExtendedUnicodeEscape?: boolean; - } - interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { - _literalExpressionBrand: any; - } - interface TemplateLiteralFragment extends LiteralLikeNode { - _templateLiteralFragmentBrand: any; - } - interface TemplateExpression extends PrimaryExpression { - head: TemplateLiteralFragment; - templateSpans: NodeArray; - } - interface TemplateSpan extends Node { - expression: Expression; - literal: TemplateLiteralFragment; - } - interface ParenthesizedExpression extends PrimaryExpression { - expression: Expression; - } - interface ArrayLiteralExpression extends PrimaryExpression { - elements: NodeArray; - } - interface SpreadElementExpression extends Expression { - expression: Expression; - } - interface ObjectLiteralExpression extends PrimaryExpression, Declaration { - properties: NodeArray; - } - interface PropertyAccessExpression extends MemberExpression, Declaration { - expression: LeftHandSideExpression; - dotToken: Node; - name: Identifier; - } - interface ElementAccessExpression extends MemberExpression { - expression: LeftHandSideExpression; - argumentExpression?: Expression; - } - interface CallExpression extends LeftHandSideExpression, Declaration { - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - arguments: NodeArray; - } - interface ExpressionWithTypeArguments extends TypeNode { - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - } - interface NewExpression extends CallExpression, PrimaryExpression { - } - interface TaggedTemplateExpression extends MemberExpression { - tag: LeftHandSideExpression; - template: LiteralExpression | TemplateExpression; - } - type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; - interface AsExpression extends Expression { - expression: Expression; - type: TypeNode; - } - interface TypeAssertion extends UnaryExpression { - type: TypeNode; - expression: UnaryExpression; - } - type AssertionExpression = TypeAssertion | AsExpression; - interface JsxElement extends PrimaryExpression { - openingElement: JsxOpeningElement; - children: NodeArray; - closingElement: JsxClosingElement; - } - interface JsxOpeningElement extends Expression { - _openingElementBrand?: any; - tagName: EntityName; - attributes: NodeArray; - } - interface JsxSelfClosingElement extends PrimaryExpression, JsxOpeningElement { - _selfClosingElementBrand?: any; - } - type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; - interface JsxAttribute extends Node { - name: Identifier; - initializer?: Expression; - } - interface JsxSpreadAttribute extends Node { - expression: Expression; - } - interface JsxClosingElement extends Node { - tagName: EntityName; - } - interface JsxExpression extends Expression { - expression?: Expression; - } - interface JsxText extends Node { - _jsxTextExpressionBrand: any; - } - type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; - interface Statement extends Node { - _statementBrand: any; - } - interface EmptyStatement extends Statement { - } - interface DebuggerStatement extends Statement { - } - interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { - name?: Identifier; - } - type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; - interface Block extends Statement { - statements: NodeArray; - } - interface VariableStatement extends Statement { - declarationList: VariableDeclarationList; - } - interface ExpressionStatement extends Statement { - expression: Expression; - } - interface IfStatement extends Statement { - expression: Expression; - thenStatement: Statement; - elseStatement?: Statement; - } - interface IterationStatement extends Statement { - statement: Statement; - } - interface DoStatement extends IterationStatement { - expression: Expression; - } - interface WhileStatement extends IterationStatement { - expression: Expression; - } - interface ForStatement extends IterationStatement { - initializer?: VariableDeclarationList | Expression; - condition?: Expression; - incrementor?: Expression; - } - interface ForInStatement extends IterationStatement { - initializer: VariableDeclarationList | Expression; - expression: Expression; - } - interface ForOfStatement extends IterationStatement { - initializer: VariableDeclarationList | Expression; - expression: Expression; - } - interface BreakStatement extends Statement { - label?: Identifier; - } - interface ContinueStatement extends Statement { - label?: Identifier; - } - type BreakOrContinueStatement = BreakStatement | ContinueStatement; - interface ReturnStatement extends Statement { - expression?: Expression; - } - interface WithStatement extends Statement { - expression: Expression; - statement: Statement; - } - interface SwitchStatement extends Statement { - expression: Expression; - caseBlock: CaseBlock; - } - interface CaseBlock extends Node { - clauses: NodeArray; - } - interface CaseClause extends Node { - expression: Expression; - statements: NodeArray; - } - interface DefaultClause extends Node { - statements: NodeArray; - } - type CaseOrDefaultClause = CaseClause | DefaultClause; - interface LabeledStatement extends Statement { - label: Identifier; - statement: Statement; - } - interface ThrowStatement extends Statement { - expression: Expression; - } - interface TryStatement extends Statement { - tryBlock: Block; - catchClause?: CatchClause; - finallyBlock?: Block; - } - interface CatchClause extends Node { - variableDeclaration: VariableDeclaration; - block: Block; - } - interface ClassLikeDeclaration extends Declaration { - name?: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; - } - interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { - name?: Identifier; - } - interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { - } - interface ClassElement extends Declaration { - _classElementBrand: any; - name?: PropertyName; - } - interface TypeElement extends Declaration { - _typeElementBrand: any; - name?: PropertyName; - questionToken?: Node; - } - interface InterfaceDeclaration extends DeclarationStatement { - name: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; - } - interface HeritageClause extends Node { - token: SyntaxKind; - types?: NodeArray; - } - interface TypeAliasDeclaration extends DeclarationStatement { - name: Identifier; - typeParameters?: NodeArray; - type: TypeNode; - } - interface EnumMember extends Declaration { - name: DeclarationName; - initializer?: Expression; - } - interface EnumDeclaration extends DeclarationStatement { - name: Identifier; - members: NodeArray; - } - type ModuleBody = ModuleBlock | ModuleDeclaration; - interface ModuleDeclaration extends DeclarationStatement { - name: Identifier | LiteralExpression; - body: ModuleBlock | ModuleDeclaration; - } - interface ModuleBlock extends Node, Statement { - statements: NodeArray; - } - interface ImportEqualsDeclaration extends DeclarationStatement { - name: Identifier; - moduleReference: EntityName | ExternalModuleReference; - } - interface ExternalModuleReference extends Node { - expression?: Expression; - } - interface ImportDeclaration extends Statement { - importClause?: ImportClause; - moduleSpecifier: Expression; - } - interface ImportClause extends Declaration { - name?: Identifier; - namedBindings?: NamespaceImport | NamedImports; - } - interface NamespaceImport extends Declaration { - name: Identifier; - } - interface ExportDeclaration extends DeclarationStatement { - exportClause?: NamedExports; - moduleSpecifier?: Expression; - } - interface NamedImports extends Node { - elements: NodeArray; - } - interface NamedExports extends Node { - elements: NodeArray; - } - type NamedImportsOrExports = NamedImports | NamedExports; - interface ImportSpecifier extends Declaration { - propertyName?: Identifier; - name: Identifier; - } - interface ExportSpecifier extends Declaration { - propertyName?: Identifier; - name: Identifier; - } - type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; - interface ExportAssignment extends DeclarationStatement { - isExportEquals?: boolean; - expression: Expression; - } - interface FileReference extends TextRange { - fileName: string; - } - interface CommentRange extends TextRange { - hasTrailingNewLine?: boolean; - kind: SyntaxKind; - } - interface JSDocTypeExpression extends Node { - type: JSDocType; - } - interface JSDocType extends TypeNode { - _jsDocTypeBrand: any; - } - interface JSDocAllType extends JSDocType { - _JSDocAllTypeBrand: any; - } - interface JSDocUnknownType extends JSDocType { - _JSDocUnknownTypeBrand: any; - } - interface JSDocArrayType extends JSDocType { - elementType: JSDocType; - } - interface JSDocUnionType extends JSDocType { - types: NodeArray; - } - interface JSDocTupleType extends JSDocType { - types: NodeArray; - } - interface JSDocNonNullableType extends JSDocType { - type: JSDocType; - } - interface JSDocNullableType extends JSDocType { - type: JSDocType; - } - interface JSDocRecordType extends JSDocType, TypeLiteralNode { - members: NodeArray; - } - interface JSDocTypeReference extends JSDocType { - name: EntityName; - typeArguments: NodeArray; - } - interface JSDocOptionalType extends JSDocType { - type: JSDocType; - } - interface JSDocFunctionType extends JSDocType, SignatureDeclaration { - parameters: NodeArray; - type: JSDocType; - } - interface JSDocVariadicType extends JSDocType { - type: JSDocType; - } - interface JSDocConstructorType extends JSDocType { - type: JSDocType; - } - interface JSDocThisType extends JSDocType { - type: JSDocType; - } - type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; - interface JSDocRecordMember extends PropertySignature { - name: Identifier | LiteralExpression; - type?: JSDocType; - } - interface JSDocComment extends Node { - tags: NodeArray; - } - interface JSDocTag extends Node { - atToken: Node; - tagName: Identifier; - } - interface JSDocTemplateTag extends JSDocTag { - typeParameters: NodeArray; - } - interface JSDocReturnTag extends JSDocTag { - typeExpression: JSDocTypeExpression; - } - interface JSDocTypeTag extends JSDocTag { - typeExpression: JSDocTypeExpression; - } - interface JSDocParameterTag extends JSDocTag { - preParameterName?: Identifier; - typeExpression?: JSDocTypeExpression; - postParameterName?: Identifier; - isBracketed: boolean; - } - interface AmdDependency { - path: string; - name: string; - } - interface SourceFile extends Declaration { - statements: NodeArray; - endOfFileToken: Node; - fileName: string; - path: Path; - text: string; - amdDependencies: AmdDependency[]; - moduleName: string; - referencedFiles: FileReference[]; - languageVariant: LanguageVariant; - /** - * lib.d.ts should have a reference comment like - * - * /// - * - * If any other file has this comment, it signals not to include lib.d.ts - * because this containing file is intended to act as a default library. - */ - hasNoDefaultLib: boolean; - languageVersion: ScriptTarget; - } - interface ScriptReferenceHost { - getCompilerOptions(): CompilerOptions; - getSourceFile(fileName: string): SourceFile; - getCurrentDirectory(): string; - } - interface ParseConfigHost { - readDirectory(rootDir: string, extension: string, exclude: string[]): string[]; - } - interface WriteFileCallback { - (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void; - } - class OperationCanceledException { - } - interface CancellationToken { - isCancellationRequested(): boolean; - /** @throws OperationCanceledException if isCancellationRequested is true */ - throwIfCancellationRequested(): void; - } - interface Program extends ScriptReferenceHost { - /** - * Get a list of root file names that were passed to a 'createProgram' - */ - getRootFileNames(): string[]; - /** - * Get a list of files in the program - */ - getSourceFiles(): SourceFile[]; - /** - * Emits the JavaScript and declaration files. If targetSourceFile is not specified, then - * the JavaScript and declaration files will be produced for all the files in this program. - * If targetSourceFile is specified, then only the JavaScript and declaration for that - * specific file will be generated. - * - * If writeFile is not specified then the writeFile callback from the compiler host will be - * used for writing the JavaScript and declaration files. Otherwise, the writeFile parameter - * will be invoked when writing the JavaScript and declaration files. - */ - emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken): EmitResult; - getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - /** - * Gets a type checker that can be used to semantically analyze source fils in the program. - */ - getTypeChecker(): TypeChecker; - } - interface SourceMapSpan { - /** Line number in the .js file. */ - emittedLine: number; - /** Column number in the .js file. */ - emittedColumn: number; - /** Line number in the .ts file. */ - sourceLine: number; - /** Column number in the .ts file. */ - sourceColumn: number; - /** Optional name (index into names array) associated with this span. */ - nameIndex?: number; - /** .ts file (index into sources array) associated with this span */ - sourceIndex: number; - } - interface SourceMapData { - sourceMapFilePath: string; - jsSourceMappingURL: string; - sourceMapFile: string; - sourceMapSourceRoot: string; - sourceMapSources: string[]; - sourceMapSourcesContent?: string[]; - inputSourceFileNames: string[]; - sourceMapNames?: string[]; - sourceMapMappings: string; - sourceMapDecodedMappings: SourceMapSpan[]; - } - /** Return code used by getEmitOutput function to indicate status of the function */ - enum ExitStatus { - Success = 0, - DiagnosticsPresent_OutputsSkipped = 1, - DiagnosticsPresent_OutputsGenerated = 2, - } - interface EmitResult { - emitSkipped: boolean; - diagnostics: Diagnostic[]; - } - interface TypeChecker { - getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; - getDeclaredTypeOfSymbol(symbol: Symbol): Type; - getPropertiesOfType(type: Type): Symbol[]; - getPropertyOfType(type: Type, propertyName: string): Symbol; - getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; - getIndexTypeOfType(type: Type, kind: IndexKind): Type; - getBaseTypes(type: InterfaceType): ObjectType[]; - getReturnTypeOfSignature(signature: Signature): Type; - getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; - getSymbolAtLocation(node: Node): Symbol; - getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; - getShorthandAssignmentValueSymbol(location: Node): Symbol; - getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; - getTypeAtLocation(node: Node): Type; - typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; - symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; - getSymbolDisplayBuilder(): SymbolDisplayBuilder; - getFullyQualifiedName(symbol: Symbol): string; - getAugmentedPropertiesOfType(type: Type): Symbol[]; - getRootSymbols(symbol: Symbol): Symbol[]; - getContextualType(node: Expression): Type; - getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; - getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; - isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; - isUndefinedSymbol(symbol: Symbol): boolean; - isArgumentsSymbol(symbol: Symbol): boolean; - isUnknownSymbol(symbol: Symbol): boolean; - getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; - isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; - getAliasedSymbol(symbol: Symbol): Symbol; - getExportsOfModule(moduleSymbol: Symbol): Symbol[]; - getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; - getJsxIntrinsicTagNames(): Symbol[]; - isOptionalParameter(node: ParameterDeclaration): boolean; - } - interface SymbolDisplayBuilder { - buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; - buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; - buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForParametersAndDelimiters(parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - } - interface SymbolWriter { - writeKeyword(text: string): void; - writeOperator(text: string): void; - writePunctuation(text: string): void; - writeSpace(text: string): void; - writeStringLiteral(text: string): void; - writeParameter(text: string): void; - writeSymbol(text: string, symbol: Symbol): void; - writeLine(): void; - increaseIndent(): void; - decreaseIndent(): void; - clear(): void; - trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; - reportInaccessibleThisError(): void; - } - enum TypeFormatFlags { - None = 0, - WriteArrayAsGenericType = 1, - UseTypeOfFunction = 2, - NoTruncation = 4, - WriteArrowStyleSignature = 8, - WriteOwnNameForAnyLike = 16, - WriteTypeArgumentsOfSignature = 32, - InElementType = 64, - UseFullyQualifiedType = 128, - } - enum SymbolFormatFlags { - None = 0, - WriteTypeParametersOrArguments = 1, - UseOnlyExternalAliasing = 2, - } - enum TypePredicateKind { - This = 0, - Identifier = 1, - } - interface TypePredicateBase { - kind: TypePredicateKind; - type: Type; - } - interface ThisTypePredicate extends TypePredicateBase { - _thisTypePredicateBrand: any; - } - interface IdentifierTypePredicate extends TypePredicateBase { - parameterName: string; - parameterIndex: number; - } - type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; - enum SymbolFlags { - None = 0, - FunctionScopedVariable = 1, - BlockScopedVariable = 2, - Property = 4, - EnumMember = 8, - Function = 16, - Class = 32, - Interface = 64, - ConstEnum = 128, - RegularEnum = 256, - ValueModule = 512, - NamespaceModule = 1024, - TypeLiteral = 2048, - ObjectLiteral = 4096, - Method = 8192, - Constructor = 16384, - GetAccessor = 32768, - SetAccessor = 65536, - Signature = 131072, - TypeParameter = 262144, - TypeAlias = 524288, - ExportValue = 1048576, - ExportType = 2097152, - ExportNamespace = 4194304, - Alias = 8388608, - Instantiated = 16777216, - Merged = 33554432, - Transient = 67108864, - Prototype = 134217728, - SyntheticProperty = 268435456, - Optional = 536870912, - ExportStar = 1073741824, - Enum = 384, - Variable = 3, - Value = 107455, - Type = 793056, - Namespace = 1536, - Module = 1536, - Accessor = 98304, - FunctionScopedVariableExcludes = 107454, - BlockScopedVariableExcludes = 107455, - ParameterExcludes = 107455, - PropertyExcludes = 107455, - EnumMemberExcludes = 107455, - FunctionExcludes = 106927, - ClassExcludes = 899519, - InterfaceExcludes = 792960, - RegularEnumExcludes = 899327, - ConstEnumExcludes = 899967, - ValueModuleExcludes = 106639, - NamespaceModuleExcludes = 0, - MethodExcludes = 99263, - GetAccessorExcludes = 41919, - SetAccessorExcludes = 74687, - TypeParameterExcludes = 530912, - TypeAliasExcludes = 793056, - AliasExcludes = 8388608, - ModuleMember = 8914931, - ExportHasLocal = 944, - HasExports = 1952, - HasMembers = 6240, - BlockScoped = 418, - PropertyOrAccessor = 98308, - Export = 7340032, - } - interface Symbol { - flags: SymbolFlags; - name: string; - declarations?: Declaration[]; - valueDeclaration?: Declaration; - members?: SymbolTable; - exports?: SymbolTable; - } - interface SymbolTable { - [index: string]: Symbol; - } - enum TypeFlags { - Any = 1, - String = 2, - Number = 4, - Boolean = 8, - Void = 16, - Undefined = 32, - Null = 64, - Enum = 128, - StringLiteral = 256, - TypeParameter = 512, - Class = 1024, - Interface = 2048, - Reference = 4096, - Tuple = 8192, - Union = 16384, - Intersection = 32768, - Anonymous = 65536, - Instantiated = 131072, - ObjectLiteral = 524288, - ESSymbol = 16777216, - ThisType = 33554432, - ObjectLiteralPatternWithComputedProperties = 67108864, - StringLike = 258, - NumberLike = 132, - ObjectType = 80896, - UnionOrIntersection = 49152, - StructuredType = 130048, - } - type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; - interface Type { - flags: TypeFlags; - symbol?: Symbol; - pattern?: DestructuringPattern; - } - interface StringLiteralType extends Type { - text: string; - } - interface ObjectType extends Type { - } - interface InterfaceType extends ObjectType { - typeParameters: TypeParameter[]; - outerTypeParameters: TypeParameter[]; - localTypeParameters: TypeParameter[]; - thisType: TypeParameter; - } - interface InterfaceTypeWithDeclaredMembers extends InterfaceType { - declaredProperties: Symbol[]; - declaredCallSignatures: Signature[]; - declaredConstructSignatures: Signature[]; - declaredStringIndexType: Type; - declaredNumberIndexType: Type; - } - interface TypeReference extends ObjectType { - target: GenericType; - typeArguments: Type[]; - } - interface GenericType extends InterfaceType, TypeReference { - } - interface TupleType extends ObjectType { - elementTypes: Type[]; - } - interface UnionOrIntersectionType extends Type { - types: Type[]; - } - interface UnionType extends UnionOrIntersectionType { - } - interface IntersectionType extends UnionOrIntersectionType { - } - interface TypeParameter extends Type { - constraint: Type; - } - enum SignatureKind { - Call = 0, - Construct = 1, - } - interface Signature { - declaration: SignatureDeclaration; - typeParameters: TypeParameter[]; - parameters: Symbol[]; - } - enum IndexKind { - String = 0, - Number = 1, - } - interface DiagnosticMessage { - key: string; - category: DiagnosticCategory; - code: number; - message: string; - } - /** - * A linked list of formatted diagnostic messages to be used as part of a multiline message. - * It is built from the bottom up, leaving the head to be the "main" diagnostic. - * While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage, - * the difference is that messages are all preformatted in DMC. - */ - interface DiagnosticMessageChain { - messageText: string; - category: DiagnosticCategory; - code: number; - next?: DiagnosticMessageChain; - } - interface Diagnostic { - file: SourceFile; - start: number; - length: number; - messageText: string | DiagnosticMessageChain; - category: DiagnosticCategory; - code: number; - } - enum DiagnosticCategory { - Warning = 0, - Error = 1, - Message = 2, - } - enum ModuleResolutionKind { - Classic = 1, - NodeJs = 2, - } - interface CompilerOptions { - allowNonTsExtensions?: boolean; - charset?: string; - declaration?: boolean; - diagnostics?: boolean; - emitBOM?: boolean; - help?: boolean; - init?: boolean; - inlineSourceMap?: boolean; - inlineSources?: boolean; - jsx?: JsxEmit; - reactNamespace?: string; - listFiles?: boolean; - locale?: string; - mapRoot?: string; - module?: ModuleKind; - newLine?: NewLineKind; - noEmit?: boolean; - noEmitHelpers?: boolean; - noEmitOnError?: boolean; - noErrorTruncation?: boolean; - noImplicitAny?: boolean; - noLib?: boolean; - noResolve?: boolean; - out?: string; - outFile?: string; - outDir?: string; - preserveConstEnums?: boolean; - project?: string; - removeComments?: boolean; - rootDir?: string; - sourceMap?: boolean; - sourceRoot?: string; - suppressExcessPropertyErrors?: boolean; - suppressImplicitAnyIndexErrors?: boolean; - target?: ScriptTarget; - version?: boolean; - watch?: boolean; - isolatedModules?: boolean; - experimentalDecorators?: boolean; - emitDecoratorMetadata?: boolean; - moduleResolution?: ModuleResolutionKind; - allowUnusedLabels?: boolean; - allowUnreachableCode?: boolean; - noImplicitReturns?: boolean; - noFallthroughCasesInSwitch?: boolean; - forceConsistentCasingInFileNames?: boolean; - allowSyntheticDefaultImports?: boolean; - allowJs?: boolean; - noImplicitUseStrict?: boolean; - [option: string]: string | number | boolean; - } - enum ModuleKind { - None = 0, - CommonJS = 1, - AMD = 2, - UMD = 3, - System = 4, - ES6 = 5, - ES2015 = 5, - } - enum JsxEmit { - None = 0, - Preserve = 1, - React = 2, - } - enum NewLineKind { - CarriageReturnLineFeed = 0, - LineFeed = 1, - } - interface LineAndCharacter { - line: number; - character: number; - } - enum ScriptTarget { - ES3 = 0, - ES5 = 1, - ES6 = 2, - ES2015 = 2, - Latest = 2, - } - enum LanguageVariant { - Standard = 0, - JSX = 1, - } - interface ParsedCommandLine { - options: CompilerOptions; - fileNames: string[]; - errors: Diagnostic[]; - } - interface ModuleResolutionHost { - fileExists(fileName: string): boolean; - readFile(fileName: string): string; - directoryExists?(directoryName: string): boolean; - } - interface ResolvedModule { - resolvedFileName: string; - isExternalLibraryImport?: boolean; - } - interface ResolvedModuleWithFailedLookupLocations { - resolvedModule: ResolvedModule; - failedLookupLocations: string[]; - } - interface CompilerHost extends ModuleResolutionHost { - getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; - getCancellationToken?(): CancellationToken; - getDefaultLibFileName(options: CompilerOptions): string; - writeFile: WriteFileCallback; - getCurrentDirectory(): string; - getCanonicalFileName(fileName: string): string; - useCaseSensitiveFileNames(): boolean; - getNewLine(): string; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - } - interface TextSpan { - start: number; - length: number; - } - interface TextChangeRange { - span: TextSpan; - newLength: number; - } -} -declare namespace ts { - type FileWatcherCallback = (path: string, removed?: boolean) => void; - type DirectoryWatcherCallback = (path: string) => void; - interface System { - args: string[]; - newLine: string; - useCaseSensitiveFileNames: boolean; - write(s: string): void; - readFile(path: string, encoding?: string): string; - writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; - watchFile?(path: Path, callback: FileWatcherCallback): FileWatcher; - watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; - resolvePath(path: string): string; - fileExists(path: string): boolean; - directoryExists(path: string): boolean; - createDirectory(path: string): void; - getExecutingFilePath(): string; - getCurrentDirectory(): string; - readDirectory(path: string, extension?: string, exclude?: string[]): string[]; - getMemoryUsage?(): number; - exit(exitCode?: number): void; - } - interface FileWatcher { - close(): void; - } - interface DirectoryWatcher extends FileWatcher { - directoryPath: Path; - referenceCount: number; - } - var sys: System; -} -declare namespace ts { - interface ErrorCallback { - (message: DiagnosticMessage, length: number): void; - } - interface Scanner { - getStartPos(): number; - getToken(): SyntaxKind; - getTextPos(): number; - getTokenPos(): number; - getTokenText(): string; - getTokenValue(): string; - hasExtendedUnicodeEscape(): boolean; - hasPrecedingLineBreak(): boolean; - isIdentifier(): boolean; - isReservedWord(): boolean; - isUnterminated(): boolean; - reScanGreaterToken(): SyntaxKind; - reScanSlashToken(): SyntaxKind; - reScanTemplateToken(): SyntaxKind; - scanJsxIdentifier(): SyntaxKind; - reScanJsxToken(): SyntaxKind; - scanJsxToken(): SyntaxKind; - scanJSDocToken(): SyntaxKind; - scan(): SyntaxKind; - setText(text: string, start?: number, length?: number): void; - setOnError(onError: ErrorCallback): void; - setScriptTarget(scriptTarget: ScriptTarget): void; - setLanguageVariant(variant: LanguageVariant): void; - setTextPos(textPos: number): void; - lookAhead(callback: () => T): T; - scanRange(start: number, length: number, callback: () => T): T; - tryScan(callback: () => T): T; - } - function tokenToString(t: SyntaxKind): string; - function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; - function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; - function isWhiteSpace(ch: number): boolean; - function isLineBreak(ch: number): boolean; - function couldStartTrivia(text: string, pos: number): boolean; - function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; - function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; - /** Optionally, get the shebang */ - function getShebang(text: string): string; - function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; - function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; - function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; -} -declare namespace ts { - function getDefaultLibFileName(options: CompilerOptions): string; - function textSpanEnd(span: TextSpan): number; - function textSpanIsEmpty(span: TextSpan): boolean; - function textSpanContainsPosition(span: TextSpan, position: number): boolean; - function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; - function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; - function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; - function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; - function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; - function createTextSpan(start: number, length: number): TextSpan; - function createTextSpanFromBounds(start: number, end: number): TextSpan; - function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; - function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; - function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; - let unchangedTextChangeRange: TextChangeRange; - /** - * Called to merge all the changes that occurred across several versions of a script snapshot - * into a single change. i.e. if a user keeps making successive edits to a script we will - * have a text change from V1 to V2, V2 to V3, ..., Vn. - * - * This function will then merge those changes into a single change range valid between V1 and - * Vn. - */ - function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; - function getTypeParameterOwner(d: Declaration): Declaration; - function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; -} -declare namespace ts { - function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; - function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; - function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile; - function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; -} -declare namespace ts { - const version: string; - function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean): string; - function resolveTripleslashReference(moduleName: string, containingFile: string): string; - function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; - function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; - function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; -} -declare namespace ts { - function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine; - /** - * Read tsconfig.json file - * @param fileName The path to the config file - */ - function readConfigFile(fileName: string, readFile: (path: string) => string): { - config?: any; - error?: Diagnostic; - }; - /** - * Parse the text of the tsconfig.json file - * @param fileName The path to the config file - * @param jsonText The text of the config file - */ - function parseConfigFileTextToJson(fileName: string, jsonText: string): { - config?: any; - error?: Diagnostic; - }; - /** - * Parse the contents of a config file (tsconfig.json). - * @param json The contents of the config file to parse - * @param host Instance of ParseConfigHost used to enumerate files in folder. - * @param basePath A root directory to resolve relative path entries in the config - * file to. e.g. outDir - */ - function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string): ParsedCommandLine; - function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { - options: CompilerOptions; - errors: Diagnostic[]; - }; -} -declare namespace ts { - /** The version of the language service API */ - const servicesVersion: string; - interface Node { - getSourceFile(): SourceFile; - getChildCount(sourceFile?: SourceFile): number; - getChildAt(index: number, sourceFile?: SourceFile): Node; - getChildren(sourceFile?: SourceFile): Node[]; - getStart(sourceFile?: SourceFile): number; - getFullStart(): number; - getEnd(): number; - getWidth(sourceFile?: SourceFile): number; - getFullWidth(): number; - getLeadingTriviaWidth(sourceFile?: SourceFile): number; - getFullText(sourceFile?: SourceFile): string; - getText(sourceFile?: SourceFile): string; - getFirstToken(sourceFile?: SourceFile): Node; - getLastToken(sourceFile?: SourceFile): Node; - } - interface Symbol { - getFlags(): SymbolFlags; - getName(): string; - getDeclarations(): Declaration[]; - getDocumentationComment(): SymbolDisplayPart[]; - } - interface Type { - getFlags(): TypeFlags; - getSymbol(): Symbol; - getProperties(): Symbol[]; - getProperty(propertyName: string): Symbol; - getApparentProperties(): Symbol[]; - getCallSignatures(): Signature[]; - getConstructSignatures(): Signature[]; - getStringIndexType(): Type; - getNumberIndexType(): Type; - getBaseTypes(): ObjectType[]; - } - interface Signature { - getDeclaration(): SignatureDeclaration; - getTypeParameters(): Type[]; - getParameters(): Symbol[]; - getReturnType(): Type; - getDocumentationComment(): SymbolDisplayPart[]; - } - interface SourceFile { - getLineAndCharacterOfPosition(pos: number): LineAndCharacter; - getLineStarts(): number[]; - getPositionOfLineAndCharacter(line: number, character: number): number; - update(newText: string, textChangeRange: TextChangeRange): SourceFile; - } - /** - * Represents an immutable snapshot of a script at a specified time.Once acquired, the - * snapshot is observably immutable. i.e. the same calls with the same parameters will return - * the same values. - */ - interface IScriptSnapshot { - /** Gets a portion of the script snapshot specified by [start, end). */ - getText(start: number, end: number): string; - /** Gets the length of this script snapshot. */ - getLength(): number; - /** - * Gets the TextChangeRange that describe how the text changed between this text and - * an older version. This information is used by the incremental parser to determine - * what sections of the script need to be re-parsed. 'undefined' can be returned if the - * change range cannot be determined. However, in that case, incremental parsing will - * not happen and the entire document will be re - parsed. - */ - getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange; - /** Releases all resources held by this script snapshot */ - dispose?(): void; - } - namespace ScriptSnapshot { - function fromString(text: string): IScriptSnapshot; - } - interface PreProcessedFileInfo { - referencedFiles: FileReference[]; - importedFiles: FileReference[]; - ambientExternalModules: string[]; - isLibFile: boolean; - } - interface HostCancellationToken { - isCancellationRequested(): boolean; - } - interface LanguageServiceHost { - getCompilationSettings(): CompilerOptions; - getNewLine?(): string; - getProjectVersion?(): string; - getScriptFileNames(): string[]; - getScriptVersion(fileName: string): string; - getScriptSnapshot(fileName: string): IScriptSnapshot; - getLocalizedDiagnosticMessages?(): any; - getCancellationToken?(): HostCancellationToken; - getCurrentDirectory(): string; - getDefaultLibFileName(options: CompilerOptions): string; - log?(s: string): void; - trace?(s: string): void; - error?(s: string): void; - useCaseSensitiveFileNames?(): boolean; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - directoryExists?(directoryName: string): boolean; - } - interface LanguageService { - cleanupSemanticCache(): void; - getSyntacticDiagnostics(fileName: string): Diagnostic[]; - getSemanticDiagnostics(fileName: string): Diagnostic[]; - getCompilerOptionsDiagnostics(): Diagnostic[]; - /** - * @deprecated Use getEncodedSyntacticClassifications instead. - */ - getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - /** - * @deprecated Use getEncodedSemanticClassifications instead. - */ - getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; - getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; - getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; - getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; - getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; - getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; - getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; - getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; - getRenameInfo(fileName: string, position: number): RenameInfo; - findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; - getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - findReferences(fileName: string, position: number): ReferencedSymbol[]; - getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; - /** @deprecated */ - getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - getNavigateToItems(searchValue: string, maxResultCount?: number): NavigateToItem[]; - getNavigationBarItems(fileName: string): NavigationBarItem[]; - getOutliningSpans(fileName: string): OutliningSpan[]; - getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; - getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; - getIndentationAtPosition(fileName: string, position: number, options: EditorOptions): number; - getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions): TextChange[]; - getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions): TextChange[]; - getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions): TextChange[]; - getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; - getEmitOutput(fileName: string): EmitOutput; - getProgram(): Program; - getSourceFile(fileName: string): SourceFile; - dispose(): void; - } - interface Classifications { - spans: number[]; - endOfLineState: EndOfLineState; - } - interface ClassifiedSpan { - textSpan: TextSpan; - classificationType: string; - } - interface NavigationBarItem { - text: string; - kind: string; - kindModifiers: string; - spans: TextSpan[]; - childItems: NavigationBarItem[]; - indent: number; - bolded: boolean; - grayed: boolean; - } - interface TodoCommentDescriptor { - text: string; - priority: number; - } - interface TodoComment { - descriptor: TodoCommentDescriptor; - message: string; - position: number; - } - class TextChange { - span: TextSpan; - newText: string; - } - interface TextInsertion { - newText: string; - /** The position in newText the caret should point to after the insertion. */ - caretOffset: number; - } - interface RenameLocation { - textSpan: TextSpan; - fileName: string; - } - interface ReferenceEntry { - textSpan: TextSpan; - fileName: string; - isWriteAccess: boolean; - } - interface DocumentHighlights { - fileName: string; - highlightSpans: HighlightSpan[]; - } - namespace HighlightSpanKind { - const none: string; - const definition: string; - const reference: string; - const writtenReference: string; - } - interface HighlightSpan { - fileName?: string; - textSpan: TextSpan; - kind: string; - } - interface NavigateToItem { - name: string; - kind: string; - kindModifiers: string; - matchKind: string; - isCaseSensitive: boolean; - fileName: string; - textSpan: TextSpan; - containerName: string; - containerKind: string; - } - interface EditorOptions { - IndentSize: number; - TabSize: number; - NewLineCharacter: string; - ConvertTabsToSpaces: boolean; - IndentStyle: IndentStyle; - } - enum IndentStyle { - None = 0, - Block = 1, - Smart = 2, - } - interface FormatCodeOptions extends EditorOptions { - InsertSpaceAfterCommaDelimiter: boolean; - InsertSpaceAfterSemicolonInForStatements: boolean; - InsertSpaceBeforeAndAfterBinaryOperators: boolean; - InsertSpaceAfterKeywordsInControlFlowStatements: boolean; - InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; - InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; - PlaceOpenBraceOnNewLineForFunctions: boolean; - PlaceOpenBraceOnNewLineForControlBlocks: boolean; - [s: string]: boolean | number | string; - } - interface DefinitionInfo { - fileName: string; - textSpan: TextSpan; - kind: string; - name: string; - containerKind: string; - containerName: string; - } - interface ReferencedSymbol { - definition: DefinitionInfo; - references: ReferenceEntry[]; - } - enum SymbolDisplayPartKind { - aliasName = 0, - className = 1, - enumName = 2, - fieldName = 3, - interfaceName = 4, - keyword = 5, - lineBreak = 6, - numericLiteral = 7, - stringLiteral = 8, - localName = 9, - methodName = 10, - moduleName = 11, - operator = 12, - parameterName = 13, - propertyName = 14, - punctuation = 15, - space = 16, - text = 17, - typeParameterName = 18, - enumMemberName = 19, - functionName = 20, - regularExpressionLiteral = 21, - } - interface SymbolDisplayPart { - text: string; - kind: string; - } - interface QuickInfo { - kind: string; - kindModifiers: string; - textSpan: TextSpan; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; - } - interface RenameInfo { - canRename: boolean; - localizedErrorMessage: string; - displayName: string; - fullDisplayName: string; - kind: string; - kindModifiers: string; - triggerSpan: TextSpan; - } - interface SignatureHelpParameter { - name: string; - documentation: SymbolDisplayPart[]; - displayParts: SymbolDisplayPart[]; - isOptional: boolean; - } - /** - * Represents a single signature to show in signature help. - * The id is used for subsequent calls into the language service to ask questions about the - * signature help item in the context of any documents that have been updated. i.e. after - * an edit has happened, while signature help is still active, the host can ask important - * questions like 'what parameter is the user currently contained within?'. - */ - interface SignatureHelpItem { - isVariadic: boolean; - prefixDisplayParts: SymbolDisplayPart[]; - suffixDisplayParts: SymbolDisplayPart[]; - separatorDisplayParts: SymbolDisplayPart[]; - parameters: SignatureHelpParameter[]; - documentation: SymbolDisplayPart[]; - } - /** - * Represents a set of signature help items, and the preferred item that should be selected. - */ - interface SignatureHelpItems { - items: SignatureHelpItem[]; - applicableSpan: TextSpan; - selectedItemIndex: number; - argumentIndex: number; - argumentCount: number; - } - interface CompletionInfo { - isMemberCompletion: boolean; - isNewIdentifierLocation: boolean; - entries: CompletionEntry[]; - } - interface CompletionEntry { - name: string; - kind: string; - kindModifiers: string; - sortText: string; - } - interface CompletionEntryDetails { - name: string; - kind: string; - kindModifiers: string; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; - } - interface OutliningSpan { - /** The span of the document to actually collapse. */ - textSpan: TextSpan; - /** The span of the document to display when the user hovers over the collapsed span. */ - hintSpan: TextSpan; - /** The text to display in the editor for the collapsed region. */ - bannerText: string; - /** - * Whether or not this region should be automatically collapsed when - * the 'Collapse to Definitions' command is invoked. - */ - autoCollapse: boolean; - } - interface EmitOutput { - outputFiles: OutputFile[]; - emitSkipped: boolean; - } - enum OutputFileType { - JavaScript = 0, - SourceMap = 1, - Declaration = 2, - } - interface OutputFile { - name: string; - writeByteOrderMark: boolean; - text: string; - } - enum EndOfLineState { - None = 0, - InMultiLineCommentTrivia = 1, - InSingleQuoteStringLiteral = 2, - InDoubleQuoteStringLiteral = 3, - InTemplateHeadOrNoSubstitutionTemplate = 4, - InTemplateMiddleOrTail = 5, - InTemplateSubstitutionPosition = 6, - } - enum TokenClass { - Punctuation = 0, - Keyword = 1, - Operator = 2, - Comment = 3, - Whitespace = 4, - Identifier = 5, - NumberLiteral = 6, - StringLiteral = 7, - RegExpLiteral = 8, - } - interface ClassificationResult { - finalLexState: EndOfLineState; - entries: ClassificationInfo[]; - } - interface ClassificationInfo { - length: number; - classification: TokenClass; - } - interface Classifier { - /** - * Gives lexical classifications of tokens on a line without any syntactic context. - * For instance, a token consisting of the text 'string' can be either an identifier - * named 'string' or the keyword 'string', however, because this classifier is not aware, - * it relies on certain heuristics to give acceptable results. For classifications where - * speed trumps accuracy, this function is preferable; however, for true accuracy, the - * syntactic classifier is ideal. In fact, in certain editing scenarios, combining the - * lexical, syntactic, and semantic classifiers may issue the best user experience. - * - * @param text The text of a line to classify. - * @param lexState The state of the lexical classifier at the end of the previous line. - * @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier. - * If there is no syntactic classifier (syntacticClassifierAbsent=true), - * certain heuristics may be used in its place; however, if there is a - * syntactic classifier (syntacticClassifierAbsent=false), certain - * classifications which may be incorrectly categorized will be given - * back as Identifiers in order to allow the syntactic classifier to - * subsume the classification. - * @deprecated Use getLexicalClassifications instead. - */ - getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; - getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; - } - /** - * The document registry represents a store of SourceFile objects that can be shared between - * multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST) - * of files in the context. - * SourceFile objects account for most of the memory usage by the language service. Sharing - * the same DocumentRegistry instance between different instances of LanguageService allow - * for more efficient memory utilization since all projects will share at least the library - * file (lib.d.ts). - * - * A more advanced use of the document registry is to serialize sourceFile objects to disk - * and re-hydrate them when needed. - * - * To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it - * to all subsequent createLanguageService calls. - */ - interface DocumentRegistry { - /** - * Request a stored SourceFile with a given fileName and compilationSettings. - * The first call to acquire will call createLanguageServiceSourceFile to generate - * the SourceFile if was not found in the registry. - * - * @param fileName The name of the file requested - * @param compilationSettings Some compilation settings like target affects the - * shape of a the resulting SourceFile. This allows the DocumentRegistry to store - * multiple copies of the same file for different compilation settings. - * @parm scriptSnapshot Text of the file. Only used if the file was not found - * in the registry and a new one was created. - * @parm version Current version of the file. Only used if the file was not found - * in the registry and a new one was created. - */ - acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; - /** - * Request an updated version of an already existing SourceFile with a given fileName - * and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile - * to get an updated SourceFile. - * - * @param fileName The name of the file requested - * @param compilationSettings Some compilation settings like target affects the - * shape of a the resulting SourceFile. This allows the DocumentRegistry to store - * multiple copies of the same file for different compilation settings. - * @param scriptSnapshot Text of the file. - * @param version Current version of the file. - */ - updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; - /** - * Informs the DocumentRegistry that a file is not needed any longer. - * - * Note: It is not allowed to call release on a SourceFile that was not acquired from - * this registry originally. - * - * @param fileName The name of the file to be released - * @param compilationSettings The compilation settings used to acquire the file - */ - releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; - reportStats(): string; - } - namespace ScriptElementKind { - const unknown: string; - const warning: string; - const keyword: string; - const scriptElement: string; - const moduleElement: string; - const classElement: string; - const localClassElement: string; - const interfaceElement: string; - const typeElement: string; - const enumElement: string; - const variableElement: string; - const localVariableElement: string; - const functionElement: string; - const localFunctionElement: string; - const memberFunctionElement: string; - const memberGetAccessorElement: string; - const memberSetAccessorElement: string; - const memberVariableElement: string; - const constructorImplementationElement: string; - const callSignatureElement: string; - const indexSignatureElement: string; - const constructSignatureElement: string; - const parameterElement: string; - const typeParameterElement: string; - const primitiveType: string; - const label: string; - const alias: string; - const constElement: string; - const letElement: string; - } - namespace ScriptElementKindModifier { - const none: string; - const publicMemberModifier: string; - const privateMemberModifier: string; - const protectedMemberModifier: string; - const exportedModifier: string; - const ambientModifier: string; - const staticModifier: string; - const abstractModifier: string; - } - class ClassificationTypeNames { - static comment: string; - static identifier: string; - static keyword: string; - static numericLiteral: string; - static operator: string; - static stringLiteral: string; - static whiteSpace: string; - static text: string; - static punctuation: string; - static className: string; - static enumName: string; - static interfaceName: string; - static moduleName: string; - static typeParameterName: string; - static typeAliasName: string; - static parameterName: string; - static docCommentTagName: string; - static jsxOpenTagName: string; - static jsxCloseTagName: string; - static jsxSelfClosingTagName: string; - static jsxAttribute: string; - static jsxText: string; - static jsxAttributeStringLiteralValue: string; - } - enum ClassificationType { - comment = 1, - identifier = 2, - keyword = 3, - numericLiteral = 4, - operator = 5, - stringLiteral = 6, - regularExpressionLiteral = 7, - whiteSpace = 8, - text = 9, - punctuation = 10, - className = 11, - enumName = 12, - interfaceName = 13, - moduleName = 14, - typeParameterName = 15, - typeAliasName = 16, - parameterName = 17, - docCommentTagName = 18, - jsxOpenTagName = 19, - jsxCloseTagName = 20, - jsxSelfClosingTagName = 21, - jsxAttribute = 22, - jsxText = 23, - jsxAttributeStringLiteralValue = 24, - } - interface DisplayPartsSymbolWriter extends SymbolWriter { - displayParts(): SymbolDisplayPart[]; - } - function displayPartsToString(displayParts: SymbolDisplayPart[]): string; - function getDefaultCompilerOptions(): CompilerOptions; - interface TranspileOptions { - compilerOptions?: CompilerOptions; - fileName?: string; - reportDiagnostics?: boolean; - moduleName?: string; - renamedDependencies?: Map; - } - interface TranspileOutput { - outputText: string; - diagnostics?: Diagnostic[]; - sourceMapText?: string; - } - function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; - function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; - function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean): SourceFile; - let disableIncrementalParsing: boolean; - function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; - function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; - function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; - function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; - function createClassifier(): Classifier; - /** - * Get the path of the default library files (lib.d.ts) as distributed with the typescript - * node package. - * The functionality is not supported if the ts module is consumed outside of a node module. - */ - function getDefaultLibFilePath(options: CompilerOptions): string; -} +declare namespace ts { + interface Map { + [index: string]: T; + } + type Path = string & { + __pathBrand: any; + }; + interface FileMap { + get(fileName: Path): T; + set(fileName: Path, value: T): void; + contains(fileName: Path): boolean; + remove(fileName: Path): void; + forEachValue(f: (key: Path, v: T) => void): void; + clear(): void; + } + interface TextRange { + pos: number; + end: number; + } + enum SyntaxKind { + Unknown = 0, + EndOfFileToken = 1, + SingleLineCommentTrivia = 2, + MultiLineCommentTrivia = 3, + NewLineTrivia = 4, + WhitespaceTrivia = 5, + ShebangTrivia = 6, + ConflictMarkerTrivia = 7, + NumericLiteral = 8, + StringLiteral = 9, + RegularExpressionLiteral = 10, + NoSubstitutionTemplateLiteral = 11, + TemplateHead = 12, + TemplateMiddle = 13, + TemplateTail = 14, + OpenBraceToken = 15, + CloseBraceToken = 16, + OpenParenToken = 17, + CloseParenToken = 18, + OpenBracketToken = 19, + CloseBracketToken = 20, + DotToken = 21, + DotDotDotToken = 22, + SemicolonToken = 23, + CommaToken = 24, + LessThanToken = 25, + LessThanSlashToken = 26, + GreaterThanToken = 27, + LessThanEqualsToken = 28, + GreaterThanEqualsToken = 29, + EqualsEqualsToken = 30, + ExclamationEqualsToken = 31, + EqualsEqualsEqualsToken = 32, + ExclamationEqualsEqualsToken = 33, + EqualsGreaterThanToken = 34, + PlusToken = 35, + MinusToken = 36, + AsteriskToken = 37, + AsteriskAsteriskToken = 38, + SlashToken = 39, + PercentToken = 40, + PlusPlusToken = 41, + MinusMinusToken = 42, + LessThanLessThanToken = 43, + GreaterThanGreaterThanToken = 44, + GreaterThanGreaterThanGreaterThanToken = 45, + AmpersandToken = 46, + BarToken = 47, + CaretToken = 48, + ExclamationToken = 49, + TildeToken = 50, + AmpersandAmpersandToken = 51, + BarBarToken = 52, + QuestionToken = 53, + ColonToken = 54, + AtToken = 55, + EqualsToken = 56, + PlusEqualsToken = 57, + MinusEqualsToken = 58, + AsteriskEqualsToken = 59, + AsteriskAsteriskEqualsToken = 60, + SlashEqualsToken = 61, + PercentEqualsToken = 62, + LessThanLessThanEqualsToken = 63, + GreaterThanGreaterThanEqualsToken = 64, + GreaterThanGreaterThanGreaterThanEqualsToken = 65, + AmpersandEqualsToken = 66, + BarEqualsToken = 67, + CaretEqualsToken = 68, + Identifier = 69, + BreakKeyword = 70, + CaseKeyword = 71, + CatchKeyword = 72, + ClassKeyword = 73, + ConstKeyword = 74, + ContinueKeyword = 75, + DebuggerKeyword = 76, + DefaultKeyword = 77, + DeleteKeyword = 78, + DoKeyword = 79, + ElseKeyword = 80, + EnumKeyword = 81, + ExportKeyword = 82, + ExtendsKeyword = 83, + FalseKeyword = 84, + FinallyKeyword = 85, + ForKeyword = 86, + FunctionKeyword = 87, + IfKeyword = 88, + ImportKeyword = 89, + InKeyword = 90, + InstanceOfKeyword = 91, + NewKeyword = 92, + NullKeyword = 93, + ReturnKeyword = 94, + SuperKeyword = 95, + SwitchKeyword = 96, + ThisKeyword = 97, + ThrowKeyword = 98, + TrueKeyword = 99, + TryKeyword = 100, + TypeOfKeyword = 101, + VarKeyword = 102, + VoidKeyword = 103, + WhileKeyword = 104, + WithKeyword = 105, + ImplementsKeyword = 106, + InterfaceKeyword = 107, + LetKeyword = 108, + PackageKeyword = 109, + PrivateKeyword = 110, + ProtectedKeyword = 111, + PublicKeyword = 112, + StaticKeyword = 113, + YieldKeyword = 114, + AbstractKeyword = 115, + AsKeyword = 116, + AnyKeyword = 117, + AsyncKeyword = 118, + AwaitKeyword = 119, + BooleanKeyword = 120, + ConstructorKeyword = 121, + DeclareKeyword = 122, + GetKeyword = 123, + IsKeyword = 124, + ModuleKeyword = 125, + NamespaceKeyword = 126, + RequireKeyword = 127, + NumberKeyword = 128, + SetKeyword = 129, + StringKeyword = 130, + SymbolKeyword = 131, + TypeKeyword = 132, + FromKeyword = 133, + GlobalKeyword = 134, + OfKeyword = 135, + QualifiedName = 136, + ComputedPropertyName = 137, + TypeParameter = 138, + Parameter = 139, + Decorator = 140, + PropertySignature = 141, + PropertyDeclaration = 142, + MethodSignature = 143, + MethodDeclaration = 144, + Constructor = 145, + GetAccessor = 146, + SetAccessor = 147, + CallSignature = 148, + ConstructSignature = 149, + IndexSignature = 150, + TypePredicate = 151, + TypeReference = 152, + FunctionType = 153, + ConstructorType = 154, + TypeQuery = 155, + TypeLiteral = 156, + ArrayType = 157, + TupleType = 158, + UnionType = 159, + IntersectionType = 160, + ParenthesizedType = 161, + ThisType = 162, + StringLiteralType = 163, + ObjectBindingPattern = 164, + ArrayBindingPattern = 165, + BindingElement = 166, + ArrayLiteralExpression = 167, + ObjectLiteralExpression = 168, + PropertyAccessExpression = 169, + ElementAccessExpression = 170, + CallExpression = 171, + NewExpression = 172, + TaggedTemplateExpression = 173, + TypeAssertionExpression = 174, + ParenthesizedExpression = 175, + FunctionExpression = 176, + ArrowFunction = 177, + DeleteExpression = 178, + TypeOfExpression = 179, + VoidExpression = 180, + AwaitExpression = 181, + PrefixUnaryExpression = 182, + PostfixUnaryExpression = 183, + BinaryExpression = 184, + ConditionalExpression = 185, + TemplateExpression = 186, + YieldExpression = 187, + SpreadElementExpression = 188, + ClassExpression = 189, + OmittedExpression = 190, + ExpressionWithTypeArguments = 191, + AsExpression = 192, + TemplateSpan = 193, + SemicolonClassElement = 194, + Block = 195, + VariableStatement = 196, + EmptyStatement = 197, + ExpressionStatement = 198, + IfStatement = 199, + DoStatement = 200, + WhileStatement = 201, + ForStatement = 202, + ForInStatement = 203, + ForOfStatement = 204, + ContinueStatement = 205, + BreakStatement = 206, + ReturnStatement = 207, + WithStatement = 208, + SwitchStatement = 209, + LabeledStatement = 210, + ThrowStatement = 211, + TryStatement = 212, + DebuggerStatement = 213, + VariableDeclaration = 214, + VariableDeclarationList = 215, + FunctionDeclaration = 216, + ClassDeclaration = 217, + InterfaceDeclaration = 218, + TypeAliasDeclaration = 219, + EnumDeclaration = 220, + ModuleDeclaration = 221, + ModuleBlock = 222, + CaseBlock = 223, + ImportEqualsDeclaration = 224, + ImportDeclaration = 225, + ImportClause = 226, + NamespaceImport = 227, + NamedImports = 228, + ImportSpecifier = 229, + ExportAssignment = 230, + ExportDeclaration = 231, + NamedExports = 232, + ExportSpecifier = 233, + MissingDeclaration = 234, + ExternalModuleReference = 235, + JsxElement = 236, + JsxSelfClosingElement = 237, + JsxOpeningElement = 238, + JsxText = 239, + JsxClosingElement = 240, + JsxAttribute = 241, + JsxSpreadAttribute = 242, + JsxExpression = 243, + CaseClause = 244, + DefaultClause = 245, + HeritageClause = 246, + CatchClause = 247, + PropertyAssignment = 248, + ShorthandPropertyAssignment = 249, + EnumMember = 250, + SourceFile = 251, + JSDocTypeExpression = 252, + JSDocAllType = 253, + JSDocUnknownType = 254, + JSDocArrayType = 255, + JSDocUnionType = 256, + JSDocTupleType = 257, + JSDocNullableType = 258, + JSDocNonNullableType = 259, + JSDocRecordType = 260, + JSDocRecordMember = 261, + JSDocTypeReference = 262, + JSDocOptionalType = 263, + JSDocFunctionType = 264, + JSDocVariadicType = 265, + JSDocConstructorType = 266, + JSDocThisType = 267, + JSDocComment = 268, + JSDocTag = 269, + JSDocParameterTag = 270, + JSDocReturnTag = 271, + JSDocTypeTag = 272, + JSDocTemplateTag = 273, + SyntaxList = 274, + Count = 275, + FirstAssignment = 56, + LastAssignment = 68, + FirstReservedWord = 70, + LastReservedWord = 105, + FirstKeyword = 70, + LastKeyword = 135, + FirstFutureReservedWord = 106, + LastFutureReservedWord = 114, + FirstTypeNode = 151, + LastTypeNode = 163, + FirstPunctuation = 15, + LastPunctuation = 68, + FirstToken = 0, + LastToken = 135, + FirstTriviaToken = 2, + LastTriviaToken = 7, + FirstLiteralToken = 8, + LastLiteralToken = 11, + FirstTemplateToken = 11, + LastTemplateToken = 14, + FirstBinaryOperator = 25, + LastBinaryOperator = 68, + FirstNode = 136, + } + enum NodeFlags { + None = 0, + Export = 2, + Ambient = 4, + Public = 8, + Private = 16, + Protected = 32, + Static = 64, + Abstract = 128, + Async = 256, + Default = 512, + MultiLine = 1024, + Synthetic = 2048, + DeclarationFile = 4096, + Let = 8192, + Const = 16384, + OctalLiteral = 32768, + Namespace = 65536, + ExportContext = 131072, + ContainsThis = 262144, + HasImplicitReturn = 524288, + HasExplicitReturn = 1048576, + GlobalAugmentation = 2097152, + HasClassExtends = 4194304, + HasDecorators = 8388608, + HasParamDecorators = 16777216, + HasAsyncFunctions = 33554432, + Modifier = 1022, + AccessibilityModifier = 56, + BlockScoped = 24576, + ReachabilityCheckFlags = 1572864, + EmitHelperFlags = 62914560, + } + enum JsxFlags { + None = 0, + /** An element from a named property of the JSX.IntrinsicElements interface */ + IntrinsicNamedElement = 1, + /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ + IntrinsicIndexedElement = 2, + /** An element backed by a class, class-like, or function value */ + ValueElement = 4, + /** Element resolution failed */ + UnknownElement = 16, + IntrinsicElement = 3, + } + interface Node extends TextRange { + kind: SyntaxKind; + flags: NodeFlags; + decorators?: NodeArray; + modifiers?: ModifiersArray; + parent?: Node; + } + interface NodeArray extends Array, TextRange { + hasTrailingComma?: boolean; + } + interface ModifiersArray extends NodeArray { + flags: number; + } + interface Modifier extends Node { + } + interface Identifier extends PrimaryExpression { + text: string; + originalKeywordKind?: SyntaxKind; + } + interface QualifiedName extends Node { + left: EntityName; + right: Identifier; + } + type EntityName = Identifier | QualifiedName; + type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; + type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; + interface Declaration extends Node { + _declarationBrand: any; + name?: DeclarationName; + } + interface DeclarationStatement extends Declaration, Statement { + name?: Identifier; + } + interface ComputedPropertyName extends Node { + expression: Expression; + } + interface Decorator extends Node { + expression: LeftHandSideExpression; + } + interface TypeParameterDeclaration extends Declaration { + name: Identifier; + constraint?: TypeNode; + expression?: Expression; + } + interface SignatureDeclaration extends Declaration { + name?: PropertyName; + typeParameters?: NodeArray; + parameters: NodeArray; + type?: TypeNode; + } + interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { + } + interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { + } + interface VariableDeclaration extends Declaration { + parent?: VariableDeclarationList; + name: Identifier | BindingPattern; + type?: TypeNode; + initializer?: Expression; + } + interface VariableDeclarationList extends Node { + declarations: NodeArray; + } + interface ParameterDeclaration extends Declaration { + dotDotDotToken?: Node; + name: Identifier | BindingPattern; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface BindingElement extends Declaration { + propertyName?: PropertyName; + dotDotDotToken?: Node; + name: Identifier | BindingPattern; + initializer?: Expression; + } + interface PropertySignature extends TypeElement { + name: PropertyName; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyDeclaration extends ClassElement { + questionToken?: Node; + name: PropertyName; + type?: TypeNode; + initializer?: Expression; + } + interface ObjectLiteralElement extends Declaration { + _objectLiteralBrandBrand: any; + name?: PropertyName; + } + interface PropertyAssignment extends ObjectLiteralElement { + _propertyAssignmentBrand: any; + name: PropertyName; + questionToken?: Node; + initializer: Expression; + } + interface ShorthandPropertyAssignment extends ObjectLiteralElement { + name: Identifier; + questionToken?: Node; + equalsToken?: Node; + objectAssignmentInitializer?: Expression; + } + interface VariableLikeDeclaration extends Declaration { + propertyName?: PropertyName; + dotDotDotToken?: Node; + name: DeclarationName; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyLikeDeclaration extends Declaration { + name: PropertyName; + } + interface BindingPattern extends Node { + elements: NodeArray; + } + interface ObjectBindingPattern extends BindingPattern { + } + interface ArrayBindingPattern extends BindingPattern { + } + /** + * Several node kinds share function-like features such as a signature, + * a name, and a body. These nodes should extend FunctionLikeDeclaration. + * Examples: + * - FunctionDeclaration + * - MethodDeclaration + * - AccessorDeclaration + */ + interface FunctionLikeDeclaration extends SignatureDeclaration { + _functionLikeDeclarationBrand: any; + asteriskToken?: Node; + questionToken?: Node; + body?: Block | Expression; + } + interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { + name?: Identifier; + body?: FunctionBody; + } + interface MethodSignature extends SignatureDeclaration, TypeElement { + name: PropertyName; + } + interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + name: PropertyName; + body?: FunctionBody; + } + interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { + body?: FunctionBody; + } + interface SemicolonClassElement extends ClassElement { + _semicolonClassElementBrand: any; + } + interface AccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + _accessorDeclarationBrand: any; + name: PropertyName; + body: FunctionBody; + } + interface GetAccessorDeclaration extends AccessorDeclaration { + } + interface SetAccessorDeclaration extends AccessorDeclaration { + } + interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { + _indexSignatureDeclarationBrand: any; + } + interface TypeNode extends Node { + _typeNodeBrand: any; + } + interface ThisTypeNode extends TypeNode { + _thisTypeNodeBrand: any; + } + interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { + _functionOrConstructorTypeNodeBrand: any; + } + interface FunctionTypeNode extends FunctionOrConstructorTypeNode { + } + interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { + } + interface TypeReferenceNode extends TypeNode { + typeName: EntityName; + typeArguments?: NodeArray; + } + interface TypePredicateNode extends TypeNode { + parameterName: Identifier | ThisTypeNode; + type: TypeNode; + } + interface TypeQueryNode extends TypeNode { + exprName: EntityName; + } + interface TypeLiteralNode extends TypeNode, Declaration { + members: NodeArray; + } + interface ArrayTypeNode extends TypeNode { + elementType: TypeNode; + } + interface TupleTypeNode extends TypeNode { + elementTypes: NodeArray; + } + interface UnionOrIntersectionTypeNode extends TypeNode { + types: NodeArray; + } + interface UnionTypeNode extends UnionOrIntersectionTypeNode { + } + interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { + } + interface ParenthesizedTypeNode extends TypeNode { + type: TypeNode; + } + interface StringLiteralTypeNode extends LiteralLikeNode, TypeNode { + _stringLiteralTypeBrand: any; + } + interface StringLiteral extends LiteralExpression { + _stringLiteralBrand: any; + } + interface Expression extends Node { + _expressionBrand: any; + contextualType?: Type; + } + interface OmittedExpression extends Expression { + } + interface UnaryExpression extends Expression { + _unaryExpressionBrand: any; + } + interface IncrementExpression extends UnaryExpression { + _incrementExpressionBrand: any; + } + interface PrefixUnaryExpression extends IncrementExpression { + operator: SyntaxKind; + operand: UnaryExpression; + } + interface PostfixUnaryExpression extends IncrementExpression { + operand: LeftHandSideExpression; + operator: SyntaxKind; + } + interface PostfixExpression extends UnaryExpression { + _postfixExpressionBrand: any; + } + interface LeftHandSideExpression extends IncrementExpression { + _leftHandSideExpressionBrand: any; + } + interface MemberExpression extends LeftHandSideExpression { + _memberExpressionBrand: any; + } + interface PrimaryExpression extends MemberExpression { + _primaryExpressionBrand: any; + } + interface DeleteExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface TypeOfExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface VoidExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface AwaitExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface YieldExpression extends Expression { + asteriskToken?: Node; + expression?: Expression; + } + interface BinaryExpression extends Expression, Declaration { + left: Expression; + operatorToken: Node; + right: Expression; + } + interface ConditionalExpression extends Expression { + condition: Expression; + questionToken: Node; + whenTrue: Expression; + colonToken: Node; + whenFalse: Expression; + } + type FunctionBody = Block; + type ConciseBody = FunctionBody | Expression; + interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { + name?: Identifier; + body: FunctionBody; + } + interface ArrowFunction extends Expression, FunctionLikeDeclaration { + equalsGreaterThanToken: Node; + body: ConciseBody; + } + interface LiteralLikeNode extends Node { + text: string; + isUnterminated?: boolean; + hasExtendedUnicodeEscape?: boolean; + } + interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { + _literalExpressionBrand: any; + } + interface TemplateLiteralFragment extends LiteralLikeNode { + _templateLiteralFragmentBrand: any; + } + interface TemplateExpression extends PrimaryExpression { + head: TemplateLiteralFragment; + templateSpans: NodeArray; + } + interface TemplateSpan extends Node { + expression: Expression; + literal: TemplateLiteralFragment; + } + interface ParenthesizedExpression extends PrimaryExpression { + expression: Expression; + } + interface ArrayLiteralExpression extends PrimaryExpression { + elements: NodeArray; + } + interface SpreadElementExpression extends Expression { + expression: Expression; + } + interface ObjectLiteralExpression extends PrimaryExpression, Declaration { + properties: NodeArray; + } + interface PropertyAccessExpression extends MemberExpression, Declaration { + expression: LeftHandSideExpression; + dotToken: Node; + name: Identifier; + } + interface ElementAccessExpression extends MemberExpression { + expression: LeftHandSideExpression; + argumentExpression?: Expression; + } + interface CallExpression extends LeftHandSideExpression, Declaration { + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + arguments: NodeArray; + } + interface ExpressionWithTypeArguments extends TypeNode { + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + } + interface NewExpression extends CallExpression, PrimaryExpression { + } + interface TaggedTemplateExpression extends MemberExpression { + tag: LeftHandSideExpression; + template: LiteralExpression | TemplateExpression; + } + type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; + interface AsExpression extends Expression { + expression: Expression; + type: TypeNode; + } + interface TypeAssertion extends UnaryExpression { + type: TypeNode; + expression: UnaryExpression; + } + type AssertionExpression = TypeAssertion | AsExpression; + interface JsxElement extends PrimaryExpression { + openingElement: JsxOpeningElement; + children: NodeArray; + closingElement: JsxClosingElement; + } + interface JsxOpeningElement extends Expression { + _openingElementBrand?: any; + tagName: EntityName; + attributes: NodeArray; + } + interface JsxSelfClosingElement extends PrimaryExpression, JsxOpeningElement { + _selfClosingElementBrand?: any; + } + type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; + interface JsxAttribute extends Node { + name: Identifier; + initializer?: Expression; + } + interface JsxSpreadAttribute extends Node { + expression: Expression; + } + interface JsxClosingElement extends Node { + tagName: EntityName; + } + interface JsxExpression extends Expression { + expression?: Expression; + } + interface JsxText extends Node { + _jsxTextExpressionBrand: any; + } + type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; + interface Statement extends Node { + _statementBrand: any; + } + interface EmptyStatement extends Statement { + } + interface DebuggerStatement extends Statement { + } + interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { + name?: Identifier; + } + type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; + interface Block extends Statement { + statements: NodeArray; + } + interface VariableStatement extends Statement { + declarationList: VariableDeclarationList; + } + interface ExpressionStatement extends Statement { + expression: Expression; + } + interface IfStatement extends Statement { + expression: Expression; + thenStatement: Statement; + elseStatement?: Statement; + } + interface IterationStatement extends Statement { + statement: Statement; + } + interface DoStatement extends IterationStatement { + expression: Expression; + } + interface WhileStatement extends IterationStatement { + expression: Expression; + } + interface ForStatement extends IterationStatement { + initializer?: VariableDeclarationList | Expression; + condition?: Expression; + incrementor?: Expression; + } + interface ForInStatement extends IterationStatement { + initializer: VariableDeclarationList | Expression; + expression: Expression; + } + interface ForOfStatement extends IterationStatement { + initializer: VariableDeclarationList | Expression; + expression: Expression; + } + interface BreakStatement extends Statement { + label?: Identifier; + } + interface ContinueStatement extends Statement { + label?: Identifier; + } + type BreakOrContinueStatement = BreakStatement | ContinueStatement; + interface ReturnStatement extends Statement { + expression?: Expression; + } + interface WithStatement extends Statement { + expression: Expression; + statement: Statement; + } + interface SwitchStatement extends Statement { + expression: Expression; + caseBlock: CaseBlock; + } + interface CaseBlock extends Node { + clauses: NodeArray; + } + interface CaseClause extends Node { + expression: Expression; + statements: NodeArray; + } + interface DefaultClause extends Node { + statements: NodeArray; + } + type CaseOrDefaultClause = CaseClause | DefaultClause; + interface LabeledStatement extends Statement { + label: Identifier; + statement: Statement; + } + interface ThrowStatement extends Statement { + expression: Expression; + } + interface TryStatement extends Statement { + tryBlock: Block; + catchClause?: CatchClause; + finallyBlock?: Block; + } + interface CatchClause extends Node { + variableDeclaration: VariableDeclaration; + block: Block; + } + interface ClassLikeDeclaration extends Declaration { + name?: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; + } + interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { + name?: Identifier; + } + interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { + } + interface ClassElement extends Declaration { + _classElementBrand: any; + name?: PropertyName; + } + interface TypeElement extends Declaration { + _typeElementBrand: any; + name?: PropertyName; + questionToken?: Node; + } + interface InterfaceDeclaration extends DeclarationStatement { + name: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; + } + interface HeritageClause extends Node { + token: SyntaxKind; + types?: NodeArray; + } + interface TypeAliasDeclaration extends DeclarationStatement { + name: Identifier; + typeParameters?: NodeArray; + type: TypeNode; + } + interface EnumMember extends Declaration { + name: DeclarationName; + initializer?: Expression; + } + interface EnumDeclaration extends DeclarationStatement { + name: Identifier; + members: NodeArray; + } + type ModuleBody = ModuleBlock | ModuleDeclaration; + interface ModuleDeclaration extends DeclarationStatement { + name: Identifier | LiteralExpression; + body: ModuleBlock | ModuleDeclaration; + } + interface ModuleBlock extends Node, Statement { + statements: NodeArray; + } + interface ImportEqualsDeclaration extends DeclarationStatement { + name: Identifier; + moduleReference: EntityName | ExternalModuleReference; + } + interface ExternalModuleReference extends Node { + expression?: Expression; + } + interface ImportDeclaration extends Statement { + importClause?: ImportClause; + moduleSpecifier: Expression; + } + interface ImportClause extends Declaration { + name?: Identifier; + namedBindings?: NamespaceImport | NamedImports; + } + interface NamespaceImport extends Declaration { + name: Identifier; + } + interface ExportDeclaration extends DeclarationStatement { + exportClause?: NamedExports; + moduleSpecifier?: Expression; + } + interface NamedImports extends Node { + elements: NodeArray; + } + interface NamedExports extends Node { + elements: NodeArray; + } + type NamedImportsOrExports = NamedImports | NamedExports; + interface ImportSpecifier extends Declaration { + propertyName?: Identifier; + name: Identifier; + } + interface ExportSpecifier extends Declaration { + propertyName?: Identifier; + name: Identifier; + } + type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; + interface ExportAssignment extends DeclarationStatement { + isExportEquals?: boolean; + expression: Expression; + } + interface FileReference extends TextRange { + fileName: string; + } + interface CommentRange extends TextRange { + hasTrailingNewLine?: boolean; + kind: SyntaxKind; + } + interface JSDocTypeExpression extends Node { + type: JSDocType; + } + interface JSDocType extends TypeNode { + _jsDocTypeBrand: any; + } + interface JSDocAllType extends JSDocType { + _JSDocAllTypeBrand: any; + } + interface JSDocUnknownType extends JSDocType { + _JSDocUnknownTypeBrand: any; + } + interface JSDocArrayType extends JSDocType { + elementType: JSDocType; + } + interface JSDocUnionType extends JSDocType { + types: NodeArray; + } + interface JSDocTupleType extends JSDocType { + types: NodeArray; + } + interface JSDocNonNullableType extends JSDocType { + type: JSDocType; + } + interface JSDocNullableType extends JSDocType { + type: JSDocType; + } + interface JSDocRecordType extends JSDocType, TypeLiteralNode { + members: NodeArray; + } + interface JSDocTypeReference extends JSDocType { + name: EntityName; + typeArguments: NodeArray; + } + interface JSDocOptionalType extends JSDocType { + type: JSDocType; + } + interface JSDocFunctionType extends JSDocType, SignatureDeclaration { + parameters: NodeArray; + type: JSDocType; + } + interface JSDocVariadicType extends JSDocType { + type: JSDocType; + } + interface JSDocConstructorType extends JSDocType { + type: JSDocType; + } + interface JSDocThisType extends JSDocType { + type: JSDocType; + } + type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; + interface JSDocRecordMember extends PropertySignature { + name: Identifier | LiteralExpression; + type?: JSDocType; + } + interface JSDocComment extends Node { + tags: NodeArray; + } + interface JSDocTag extends Node { + atToken: Node; + tagName: Identifier; + } + interface JSDocTemplateTag extends JSDocTag { + typeParameters: NodeArray; + } + interface JSDocReturnTag extends JSDocTag { + typeExpression: JSDocTypeExpression; + } + interface JSDocTypeTag extends JSDocTag { + typeExpression: JSDocTypeExpression; + } + interface JSDocParameterTag extends JSDocTag { + preParameterName?: Identifier; + typeExpression?: JSDocTypeExpression; + postParameterName?: Identifier; + isBracketed: boolean; + } + interface AmdDependency { + path: string; + name: string; + } + interface SourceFile extends Declaration { + statements: NodeArray; + endOfFileToken: Node; + fileName: string; + path: Path; + text: string; + amdDependencies: AmdDependency[]; + moduleName: string; + referencedFiles: FileReference[]; + languageVariant: LanguageVariant; + /** + * lib.d.ts should have a reference comment like + * + * /// + * + * If any other file has this comment, it signals not to include lib.d.ts + * because this containing file is intended to act as a default library. + */ + hasNoDefaultLib: boolean; + languageVersion: ScriptTarget; + } + interface ScriptReferenceHost { + getCompilerOptions(): CompilerOptions; + getSourceFile(fileName: string): SourceFile; + getCurrentDirectory(): string; + } + interface ParseConfigHost { + readDirectory(rootDir: string, extension: string, exclude: string[]): string[]; + } + interface WriteFileCallback { + (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void; + } + class OperationCanceledException { + } + interface CancellationToken { + isCancellationRequested(): boolean; + /** @throws OperationCanceledException if isCancellationRequested is true */ + throwIfCancellationRequested(): void; + } + interface Program extends ScriptReferenceHost { + /** + * Get a list of root file names that were passed to a 'createProgram' + */ + getRootFileNames(): string[]; + /** + * Get a list of files in the program + */ + getSourceFiles(): SourceFile[]; + /** + * Emits the JavaScript and declaration files. If targetSourceFile is not specified, then + * the JavaScript and declaration files will be produced for all the files in this program. + * If targetSourceFile is specified, then only the JavaScript and declaration for that + * specific file will be generated. + * + * If writeFile is not specified then the writeFile callback from the compiler host will be + * used for writing the JavaScript and declaration files. Otherwise, the writeFile parameter + * will be invoked when writing the JavaScript and declaration files. + */ + emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken): EmitResult; + getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + /** + * Gets a type checker that can be used to semantically analyze source fils in the program. + */ + getTypeChecker(): TypeChecker; + } + interface SourceMapSpan { + /** Line number in the .js file. */ + emittedLine: number; + /** Column number in the .js file. */ + emittedColumn: number; + /** Line number in the .ts file. */ + sourceLine: number; + /** Column number in the .ts file. */ + sourceColumn: number; + /** Optional name (index into names array) associated with this span. */ + nameIndex?: number; + /** .ts file (index into sources array) associated with this span */ + sourceIndex: number; + } + interface SourceMapData { + sourceMapFilePath: string; + jsSourceMappingURL: string; + sourceMapFile: string; + sourceMapSourceRoot: string; + sourceMapSources: string[]; + sourceMapSourcesContent?: string[]; + inputSourceFileNames: string[]; + sourceMapNames?: string[]; + sourceMapMappings: string; + sourceMapDecodedMappings: SourceMapSpan[]; + } + /** Return code used by getEmitOutput function to indicate status of the function */ + enum ExitStatus { + Success = 0, + DiagnosticsPresent_OutputsSkipped = 1, + DiagnosticsPresent_OutputsGenerated = 2, + } + interface EmitResult { + emitSkipped: boolean; + diagnostics: Diagnostic[]; + } + interface TypeChecker { + getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; + getDeclaredTypeOfSymbol(symbol: Symbol): Type; + getPropertiesOfType(type: Type): Symbol[]; + getPropertyOfType(type: Type, propertyName: string): Symbol; + getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; + getIndexTypeOfType(type: Type, kind: IndexKind): Type; + getBaseTypes(type: InterfaceType): ObjectType[]; + getReturnTypeOfSignature(signature: Signature): Type; + getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; + getSymbolAtLocation(node: Node): Symbol; + getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; + getShorthandAssignmentValueSymbol(location: Node): Symbol; + getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; + getTypeAtLocation(node: Node): Type; + typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; + symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; + getSymbolDisplayBuilder(): SymbolDisplayBuilder; + getFullyQualifiedName(symbol: Symbol): string; + getAugmentedPropertiesOfType(type: Type): Symbol[]; + getRootSymbols(symbol: Symbol): Symbol[]; + getContextualType(node: Expression): Type; + getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; + getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; + isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; + isUndefinedSymbol(symbol: Symbol): boolean; + isArgumentsSymbol(symbol: Symbol): boolean; + isUnknownSymbol(symbol: Symbol): boolean; + getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; + isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; + getAliasedSymbol(symbol: Symbol): Symbol; + getExportsOfModule(moduleSymbol: Symbol): Symbol[]; + getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; + getJsxIntrinsicTagNames(): Symbol[]; + isOptionalParameter(node: ParameterDeclaration): boolean; + } + interface SymbolDisplayBuilder { + buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; + buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; + buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForParametersAndDelimiters(parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + } + interface SymbolWriter { + writeKeyword(text: string): void; + writeOperator(text: string): void; + writePunctuation(text: string): void; + writeSpace(text: string): void; + writeStringLiteral(text: string): void; + writeParameter(text: string): void; + writeSymbol(text: string, symbol: Symbol): void; + writeLine(): void; + increaseIndent(): void; + decreaseIndent(): void; + clear(): void; + trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; + reportInaccessibleThisError(): void; + } + enum TypeFormatFlags { + None = 0, + WriteArrayAsGenericType = 1, + UseTypeOfFunction = 2, + NoTruncation = 4, + WriteArrowStyleSignature = 8, + WriteOwnNameForAnyLike = 16, + WriteTypeArgumentsOfSignature = 32, + InElementType = 64, + UseFullyQualifiedType = 128, + } + enum SymbolFormatFlags { + None = 0, + WriteTypeParametersOrArguments = 1, + UseOnlyExternalAliasing = 2, + } + enum TypePredicateKind { + This = 0, + Identifier = 1, + } + interface TypePredicateBase { + kind: TypePredicateKind; + type: Type; + } + interface ThisTypePredicate extends TypePredicateBase { + _thisTypePredicateBrand: any; + } + interface IdentifierTypePredicate extends TypePredicateBase { + parameterName: string; + parameterIndex: number; + } + type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; + enum SymbolFlags { + None = 0, + FunctionScopedVariable = 1, + BlockScopedVariable = 2, + Property = 4, + EnumMember = 8, + Function = 16, + Class = 32, + Interface = 64, + ConstEnum = 128, + RegularEnum = 256, + ValueModule = 512, + NamespaceModule = 1024, + TypeLiteral = 2048, + ObjectLiteral = 4096, + Method = 8192, + Constructor = 16384, + GetAccessor = 32768, + SetAccessor = 65536, + Signature = 131072, + TypeParameter = 262144, + TypeAlias = 524288, + ExportValue = 1048576, + ExportType = 2097152, + ExportNamespace = 4194304, + Alias = 8388608, + Instantiated = 16777216, + Merged = 33554432, + Transient = 67108864, + Prototype = 134217728, + SyntheticProperty = 268435456, + Optional = 536870912, + ExportStar = 1073741824, + Enum = 384, + Variable = 3, + Value = 107455, + Type = 793056, + Namespace = 1536, + Module = 1536, + Accessor = 98304, + FunctionScopedVariableExcludes = 107454, + BlockScopedVariableExcludes = 107455, + ParameterExcludes = 107455, + PropertyExcludes = 107455, + EnumMemberExcludes = 107455, + FunctionExcludes = 106927, + ClassExcludes = 899519, + InterfaceExcludes = 792960, + RegularEnumExcludes = 899327, + ConstEnumExcludes = 899967, + ValueModuleExcludes = 106639, + NamespaceModuleExcludes = 0, + MethodExcludes = 99263, + GetAccessorExcludes = 41919, + SetAccessorExcludes = 74687, + TypeParameterExcludes = 530912, + TypeAliasExcludes = 793056, + AliasExcludes = 8388608, + ModuleMember = 8914931, + ExportHasLocal = 944, + HasExports = 1952, + HasMembers = 6240, + BlockScoped = 418, + PropertyOrAccessor = 98308, + Export = 7340032, + } + interface Symbol { + flags: SymbolFlags; + name: string; + declarations?: Declaration[]; + valueDeclaration?: Declaration; + members?: SymbolTable; + exports?: SymbolTable; + } + interface SymbolTable { + [index: string]: Symbol; + } + enum TypeFlags { + Any = 1, + String = 2, + Number = 4, + Boolean = 8, + Void = 16, + Undefined = 32, + Null = 64, + Enum = 128, + StringLiteral = 256, + TypeParameter = 512, + Class = 1024, + Interface = 2048, + Reference = 4096, + Tuple = 8192, + Union = 16384, + Intersection = 32768, + Anonymous = 65536, + Instantiated = 131072, + ObjectLiteral = 524288, + ESSymbol = 16777216, + ThisType = 33554432, + ObjectLiteralPatternWithComputedProperties = 67108864, + StringLike = 258, + NumberLike = 132, + ObjectType = 80896, + UnionOrIntersection = 49152, + StructuredType = 130048, + } + type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; + interface Type { + flags: TypeFlags; + symbol?: Symbol; + pattern?: DestructuringPattern; + } + interface StringLiteralType extends Type { + text: string; + } + interface ObjectType extends Type { + } + interface InterfaceType extends ObjectType { + typeParameters: TypeParameter[]; + outerTypeParameters: TypeParameter[]; + localTypeParameters: TypeParameter[]; + thisType: TypeParameter; + } + interface InterfaceTypeWithDeclaredMembers extends InterfaceType { + declaredProperties: Symbol[]; + declaredCallSignatures: Signature[]; + declaredConstructSignatures: Signature[]; + declaredStringIndexType: Type; + declaredNumberIndexType: Type; + } + interface TypeReference extends ObjectType { + target: GenericType; + typeArguments: Type[]; + } + interface GenericType extends InterfaceType, TypeReference { + } + interface TupleType extends ObjectType { + elementTypes: Type[]; + } + interface UnionOrIntersectionType extends Type { + types: Type[]; + } + interface UnionType extends UnionOrIntersectionType { + } + interface IntersectionType extends UnionOrIntersectionType { + } + interface TypeParameter extends Type { + constraint: Type; + } + enum SignatureKind { + Call = 0, + Construct = 1, + } + interface Signature { + declaration: SignatureDeclaration; + typeParameters: TypeParameter[]; + parameters: Symbol[]; + } + enum IndexKind { + String = 0, + Number = 1, + } + interface DiagnosticMessage { + key: string; + category: DiagnosticCategory; + code: number; + message: string; + } + /** + * A linked list of formatted diagnostic messages to be used as part of a multiline message. + * It is built from the bottom up, leaving the head to be the "main" diagnostic. + * While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage, + * the difference is that messages are all preformatted in DMC. + */ + interface DiagnosticMessageChain { + messageText: string; + category: DiagnosticCategory; + code: number; + next?: DiagnosticMessageChain; + } + interface Diagnostic { + file: SourceFile; + start: number; + length: number; + messageText: string | DiagnosticMessageChain; + category: DiagnosticCategory; + code: number; + } + enum DiagnosticCategory { + Warning = 0, + Error = 1, + Message = 2, + } + enum ModuleResolutionKind { + Classic = 1, + NodeJs = 2, + } + interface CompilerOptions { + allowNonTsExtensions?: boolean; + charset?: string; + declaration?: boolean; + diagnostics?: boolean; + emitBOM?: boolean; + help?: boolean; + init?: boolean; + inlineSourceMap?: boolean; + inlineSources?: boolean; + jsx?: JsxEmit; + reactNamespace?: string; + listFiles?: boolean; + locale?: string; + mapRoot?: string; + module?: ModuleKind; + newLine?: NewLineKind; + noEmit?: boolean; + noEmitHelpers?: boolean; + noEmitOnError?: boolean; + noErrorTruncation?: boolean; + noImplicitAny?: boolean; + noLib?: boolean; + noResolve?: boolean; + out?: string; + outFile?: string; + outDir?: string; + preserveConstEnums?: boolean; + project?: string; + removeComments?: boolean; + rootDir?: string; + sourceMap?: boolean; + sourceRoot?: string; + suppressExcessPropertyErrors?: boolean; + suppressImplicitAnyIndexErrors?: boolean; + target?: ScriptTarget; + version?: boolean; + watch?: boolean; + isolatedModules?: boolean; + experimentalDecorators?: boolean; + emitDecoratorMetadata?: boolean; + moduleResolution?: ModuleResolutionKind; + allowUnusedLabels?: boolean; + allowUnreachableCode?: boolean; + noImplicitReturns?: boolean; + noFallthroughCasesInSwitch?: boolean; + forceConsistentCasingInFileNames?: boolean; + allowSyntheticDefaultImports?: boolean; + allowJs?: boolean; + noImplicitUseStrict?: boolean; + [option: string]: string | number | boolean; + } + enum ModuleKind { + None = 0, + CommonJS = 1, + AMD = 2, + UMD = 3, + System = 4, + ES6 = 5, + ES2015 = 5, + } + enum JsxEmit { + None = 0, + Preserve = 1, + React = 2, + } + enum NewLineKind { + CarriageReturnLineFeed = 0, + LineFeed = 1, + } + interface LineAndCharacter { + line: number; + character: number; + } + enum ScriptTarget { + ES3 = 0, + ES5 = 1, + ES6 = 2, + ES2015 = 2, + Latest = 2, + } + enum LanguageVariant { + Standard = 0, + JSX = 1, + } + interface ParsedCommandLine { + options: CompilerOptions; + fileNames: string[]; + errors: Diagnostic[]; + } + interface ModuleResolutionHost { + fileExists(fileName: string): boolean; + readFile(fileName: string): string; + directoryExists?(directoryName: string): boolean; + } + interface ResolvedModule { + resolvedFileName: string; + isExternalLibraryImport?: boolean; + } + interface ResolvedModuleWithFailedLookupLocations { + resolvedModule: ResolvedModule; + failedLookupLocations: string[]; + } + interface CompilerHost extends ModuleResolutionHost { + getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; + getCancellationToken?(): CancellationToken; + getDefaultLibFileName(options: CompilerOptions): string; + writeFile: WriteFileCallback; + getCurrentDirectory(): string; + getCanonicalFileName(fileName: string): string; + useCaseSensitiveFileNames(): boolean; + getNewLine(): string; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + } + interface TextSpan { + start: number; + length: number; + } + interface TextChangeRange { + span: TextSpan; + newLength: number; + } +} +declare namespace ts { + type FileWatcherCallback = (path: string, removed?: boolean) => void; + type DirectoryWatcherCallback = (path: string) => void; + interface System { + args: string[]; + newLine: string; + useCaseSensitiveFileNames: boolean; + write(s: string): void; + readFile(path: string, encoding?: string): string; + writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; + watchFile?(path: Path, callback: FileWatcherCallback): FileWatcher; + watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; + resolvePath(path: string): string; + fileExists(path: string): boolean; + directoryExists(path: string): boolean; + createDirectory(path: string): void; + getExecutingFilePath(): string; + getCurrentDirectory(): string; + readDirectory(path: string, extension?: string, exclude?: string[]): string[]; + getMemoryUsage?(): number; + exit(exitCode?: number): void; + } + interface FileWatcher { + close(): void; + } + interface DirectoryWatcher extends FileWatcher { + directoryPath: Path; + referenceCount: number; + } + var sys: System; +} +declare namespace ts { + interface ErrorCallback { + (message: DiagnosticMessage, length: number): void; + } + interface Scanner { + getStartPos(): number; + getToken(): SyntaxKind; + getTextPos(): number; + getTokenPos(): number; + getTokenText(): string; + getTokenValue(): string; + hasExtendedUnicodeEscape(): boolean; + hasPrecedingLineBreak(): boolean; + isIdentifier(): boolean; + isReservedWord(): boolean; + isUnterminated(): boolean; + reScanGreaterToken(): SyntaxKind; + reScanSlashToken(): SyntaxKind; + reScanTemplateToken(): SyntaxKind; + scanJsxIdentifier(): SyntaxKind; + reScanJsxToken(): SyntaxKind; + scanJsxToken(): SyntaxKind; + scanJSDocToken(): SyntaxKind; + scan(): SyntaxKind; + setText(text: string, start?: number, length?: number): void; + setOnError(onError: ErrorCallback): void; + setScriptTarget(scriptTarget: ScriptTarget): void; + setLanguageVariant(variant: LanguageVariant): void; + setTextPos(textPos: number): void; + lookAhead(callback: () => T): T; + scanRange(start: number, length: number, callback: () => T): T; + tryScan(callback: () => T): T; + } + function tokenToString(t: SyntaxKind): string; + function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; + function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; + function isWhiteSpace(ch: number): boolean; + function isLineBreak(ch: number): boolean; + function couldStartTrivia(text: string, pos: number): boolean; + function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; + function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; + /** Optionally, get the shebang */ + function getShebang(text: string): string; + function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; + function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; + function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; +} +declare namespace ts { + function getDefaultLibFileName(options: CompilerOptions): string; + function textSpanEnd(span: TextSpan): number; + function textSpanIsEmpty(span: TextSpan): boolean; + function textSpanContainsPosition(span: TextSpan, position: number): boolean; + function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; + function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; + function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; + function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; + function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; + function createTextSpan(start: number, length: number): TextSpan; + function createTextSpanFromBounds(start: number, end: number): TextSpan; + function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; + function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; + function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; + let unchangedTextChangeRange: TextChangeRange; + /** + * Called to merge all the changes that occurred across several versions of a script snapshot + * into a single change. i.e. if a user keeps making successive edits to a script we will + * have a text change from V1 to V2, V2 to V3, ..., Vn. + * + * This function will then merge those changes into a single change range valid between V1 and + * Vn. + */ + function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; + function getTypeParameterOwner(d: Declaration): Declaration; + function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; +} +declare namespace ts { + function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; + function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; + function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile; + function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; +} +declare namespace ts { + const version: string; + function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean): string; + function resolveTripleslashReference(moduleName: string, containingFile: string): string; + function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; + function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; + function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; +} +declare namespace ts { + function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readConfigFile(fileName: string, readFile: (path: string) => string): { + config?: any; + error?: Diagnostic; + }; + /** + * Parse the text of the tsconfig.json file + * @param fileName The path to the config file + * @param jsonText The text of the config file + */ + function parseConfigFileTextToJson(fileName: string, jsonText: string): { + config?: any; + error?: Diagnostic; + }; + /** + * Parse the contents of a config file (tsconfig.json). + * @param json The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string): ParsedCommandLine; + function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { + options: CompilerOptions; + errors: Diagnostic[]; + }; +} +declare namespace ts { + /** The version of the language service API */ + const servicesVersion: string; + interface Node { + getSourceFile(): SourceFile; + getChildCount(sourceFile?: SourceFile): number; + getChildAt(index: number, sourceFile?: SourceFile): Node; + getChildren(sourceFile?: SourceFile): Node[]; + getStart(sourceFile?: SourceFile): number; + getFullStart(): number; + getEnd(): number; + getWidth(sourceFile?: SourceFile): number; + getFullWidth(): number; + getLeadingTriviaWidth(sourceFile?: SourceFile): number; + getFullText(sourceFile?: SourceFile): string; + getText(sourceFile?: SourceFile): string; + getFirstToken(sourceFile?: SourceFile): Node; + getLastToken(sourceFile?: SourceFile): Node; + } + interface Symbol { + getFlags(): SymbolFlags; + getName(): string; + getDeclarations(): Declaration[]; + getDocumentationComment(): SymbolDisplayPart[]; + } + interface Type { + getFlags(): TypeFlags; + getSymbol(): Symbol; + getProperties(): Symbol[]; + getProperty(propertyName: string): Symbol; + getApparentProperties(): Symbol[]; + getCallSignatures(): Signature[]; + getConstructSignatures(): Signature[]; + getStringIndexType(): Type; + getNumberIndexType(): Type; + getBaseTypes(): ObjectType[]; + } + interface Signature { + getDeclaration(): SignatureDeclaration; + getTypeParameters(): Type[]; + getParameters(): Symbol[]; + getReturnType(): Type; + getDocumentationComment(): SymbolDisplayPart[]; + } + interface SourceFile { + getLineAndCharacterOfPosition(pos: number): LineAndCharacter; + getLineStarts(): number[]; + getPositionOfLineAndCharacter(line: number, character: number): number; + update(newText: string, textChangeRange: TextChangeRange): SourceFile; + } + /** + * Represents an immutable snapshot of a script at a specified time.Once acquired, the + * snapshot is observably immutable. i.e. the same calls with the same parameters will return + * the same values. + */ + interface IScriptSnapshot { + /** Gets a portion of the script snapshot specified by [start, end). */ + getText(start: number, end: number): string; + /** Gets the length of this script snapshot. */ + getLength(): number; + /** + * Gets the TextChangeRange that describe how the text changed between this text and + * an older version. This information is used by the incremental parser to determine + * what sections of the script need to be re-parsed. 'undefined' can be returned if the + * change range cannot be determined. However, in that case, incremental parsing will + * not happen and the entire document will be re - parsed. + */ + getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange; + /** Releases all resources held by this script snapshot */ + dispose?(): void; + } + namespace ScriptSnapshot { + function fromString(text: string): IScriptSnapshot; + } + interface PreProcessedFileInfo { + referencedFiles: FileReference[]; + importedFiles: FileReference[]; + ambientExternalModules: string[]; + isLibFile: boolean; + } + interface HostCancellationToken { + isCancellationRequested(): boolean; + } + interface LanguageServiceHost { + getCompilationSettings(): CompilerOptions; + getNewLine?(): string; + getProjectVersion?(): string; + getScriptFileNames(): string[]; + getScriptVersion(fileName: string): string; + getScriptSnapshot(fileName: string): IScriptSnapshot; + getLocalizedDiagnosticMessages?(): any; + getCancellationToken?(): HostCancellationToken; + getCurrentDirectory(): string; + getDefaultLibFileName(options: CompilerOptions): string; + log?(s: string): void; + trace?(s: string): void; + error?(s: string): void; + useCaseSensitiveFileNames?(): boolean; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + directoryExists?(directoryName: string): boolean; + } + interface LanguageService { + cleanupSemanticCache(): void; + getSyntacticDiagnostics(fileName: string): Diagnostic[]; + getSemanticDiagnostics(fileName: string): Diagnostic[]; + getCompilerOptionsDiagnostics(): Diagnostic[]; + /** + * @deprecated Use getEncodedSyntacticClassifications instead. + */ + getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + /** + * @deprecated Use getEncodedSemanticClassifications instead. + */ + getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; + getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; + getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; + getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; + getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; + getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; + getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; + getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; + getRenameInfo(fileName: string, position: number): RenameInfo; + findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; + getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + findReferences(fileName: string, position: number): ReferencedSymbol[]; + getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; + /** @deprecated */ + getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + getNavigateToItems(searchValue: string, maxResultCount?: number): NavigateToItem[]; + getNavigationBarItems(fileName: string): NavigationBarItem[]; + getOutliningSpans(fileName: string): OutliningSpan[]; + getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; + getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; + getIndentationAtPosition(fileName: string, position: number, options: EditorOptions): number; + getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions): TextChange[]; + getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions): TextChange[]; + getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions): TextChange[]; + getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; + getEmitOutput(fileName: string): EmitOutput; + getProgram(): Program; + getSourceFile(fileName: string): SourceFile; + dispose(): void; + } + interface Classifications { + spans: number[]; + endOfLineState: EndOfLineState; + } + interface ClassifiedSpan { + textSpan: TextSpan; + classificationType: string; + } + interface NavigationBarItem { + text: string; + kind: string; + kindModifiers: string; + spans: TextSpan[]; + childItems: NavigationBarItem[]; + indent: number; + bolded: boolean; + grayed: boolean; + } + interface TodoCommentDescriptor { + text: string; + priority: number; + } + interface TodoComment { + descriptor: TodoCommentDescriptor; + message: string; + position: number; + } + class TextChange { + span: TextSpan; + newText: string; + } + interface TextInsertion { + newText: string; + /** The position in newText the caret should point to after the insertion. */ + caretOffset: number; + } + interface RenameLocation { + textSpan: TextSpan; + fileName: string; + } + interface ReferenceEntry { + textSpan: TextSpan; + fileName: string; + isWriteAccess: boolean; + } + interface DocumentHighlights { + fileName: string; + highlightSpans: HighlightSpan[]; + } + namespace HighlightSpanKind { + const none: string; + const definition: string; + const reference: string; + const writtenReference: string; + } + interface HighlightSpan { + fileName?: string; + textSpan: TextSpan; + kind: string; + } + interface NavigateToItem { + name: string; + kind: string; + kindModifiers: string; + matchKind: string; + isCaseSensitive: boolean; + fileName: string; + textSpan: TextSpan; + containerName: string; + containerKind: string; + } + interface EditorOptions { + IndentSize: number; + TabSize: number; + NewLineCharacter: string; + ConvertTabsToSpaces: boolean; + IndentStyle: IndentStyle; + } + enum IndentStyle { + None = 0, + Block = 1, + Smart = 2, + } + interface FormatCodeOptions extends EditorOptions { + InsertSpaceAfterCommaDelimiter: boolean; + InsertSpaceAfterSemicolonInForStatements: boolean; + InsertSpaceBeforeAndAfterBinaryOperators: boolean; + InsertSpaceAfterKeywordsInControlFlowStatements: boolean; + InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; + InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; + PlaceOpenBraceOnNewLineForFunctions: boolean; + PlaceOpenBraceOnNewLineForControlBlocks: boolean; + [s: string]: boolean | number | string; + } + interface DefinitionInfo { + fileName: string; + textSpan: TextSpan; + kind: string; + name: string; + containerKind: string; + containerName: string; + } + interface ReferencedSymbol { + definition: DefinitionInfo; + references: ReferenceEntry[]; + } + enum SymbolDisplayPartKind { + aliasName = 0, + className = 1, + enumName = 2, + fieldName = 3, + interfaceName = 4, + keyword = 5, + lineBreak = 6, + numericLiteral = 7, + stringLiteral = 8, + localName = 9, + methodName = 10, + moduleName = 11, + operator = 12, + parameterName = 13, + propertyName = 14, + punctuation = 15, + space = 16, + text = 17, + typeParameterName = 18, + enumMemberName = 19, + functionName = 20, + regularExpressionLiteral = 21, + } + interface SymbolDisplayPart { + text: string; + kind: string; + } + interface QuickInfo { + kind: string; + kindModifiers: string; + textSpan: TextSpan; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; + } + interface RenameInfo { + canRename: boolean; + localizedErrorMessage: string; + displayName: string; + fullDisplayName: string; + kind: string; + kindModifiers: string; + triggerSpan: TextSpan; + } + interface SignatureHelpParameter { + name: string; + documentation: SymbolDisplayPart[]; + displayParts: SymbolDisplayPart[]; + isOptional: boolean; + } + /** + * Represents a single signature to show in signature help. + * The id is used for subsequent calls into the language service to ask questions about the + * signature help item in the context of any documents that have been updated. i.e. after + * an edit has happened, while signature help is still active, the host can ask important + * questions like 'what parameter is the user currently contained within?'. + */ + interface SignatureHelpItem { + isVariadic: boolean; + prefixDisplayParts: SymbolDisplayPart[]; + suffixDisplayParts: SymbolDisplayPart[]; + separatorDisplayParts: SymbolDisplayPart[]; + parameters: SignatureHelpParameter[]; + documentation: SymbolDisplayPart[]; + } + /** + * Represents a set of signature help items, and the preferred item that should be selected. + */ + interface SignatureHelpItems { + items: SignatureHelpItem[]; + applicableSpan: TextSpan; + selectedItemIndex: number; + argumentIndex: number; + argumentCount: number; + } + interface CompletionInfo { + isMemberCompletion: boolean; + isNewIdentifierLocation: boolean; + entries: CompletionEntry[]; + } + interface CompletionEntry { + name: string; + kind: string; + kindModifiers: string; + sortText: string; + } + interface CompletionEntryDetails { + name: string; + kind: string; + kindModifiers: string; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; + } + interface OutliningSpan { + /** The span of the document to actually collapse. */ + textSpan: TextSpan; + /** The span of the document to display when the user hovers over the collapsed span. */ + hintSpan: TextSpan; + /** The text to display in the editor for the collapsed region. */ + bannerText: string; + /** + * Whether or not this region should be automatically collapsed when + * the 'Collapse to Definitions' command is invoked. + */ + autoCollapse: boolean; + } + interface EmitOutput { + outputFiles: OutputFile[]; + emitSkipped: boolean; + } + enum OutputFileType { + JavaScript = 0, + SourceMap = 1, + Declaration = 2, + } + interface OutputFile { + name: string; + writeByteOrderMark: boolean; + text: string; + } + enum EndOfLineState { + None = 0, + InMultiLineCommentTrivia = 1, + InSingleQuoteStringLiteral = 2, + InDoubleQuoteStringLiteral = 3, + InTemplateHeadOrNoSubstitutionTemplate = 4, + InTemplateMiddleOrTail = 5, + InTemplateSubstitutionPosition = 6, + } + enum TokenClass { + Punctuation = 0, + Keyword = 1, + Operator = 2, + Comment = 3, + Whitespace = 4, + Identifier = 5, + NumberLiteral = 6, + StringLiteral = 7, + RegExpLiteral = 8, + } + interface ClassificationResult { + finalLexState: EndOfLineState; + entries: ClassificationInfo[]; + } + interface ClassificationInfo { + length: number; + classification: TokenClass; + } + interface Classifier { + /** + * Gives lexical classifications of tokens on a line without any syntactic context. + * For instance, a token consisting of the text 'string' can be either an identifier + * named 'string' or the keyword 'string', however, because this classifier is not aware, + * it relies on certain heuristics to give acceptable results. For classifications where + * speed trumps accuracy, this function is preferable; however, for true accuracy, the + * syntactic classifier is ideal. In fact, in certain editing scenarios, combining the + * lexical, syntactic, and semantic classifiers may issue the best user experience. + * + * @param text The text of a line to classify. + * @param lexState The state of the lexical classifier at the end of the previous line. + * @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier. + * If there is no syntactic classifier (syntacticClassifierAbsent=true), + * certain heuristics may be used in its place; however, if there is a + * syntactic classifier (syntacticClassifierAbsent=false), certain + * classifications which may be incorrectly categorized will be given + * back as Identifiers in order to allow the syntactic classifier to + * subsume the classification. + * @deprecated Use getLexicalClassifications instead. + */ + getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; + getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; + } + /** + * The document registry represents a store of SourceFile objects that can be shared between + * multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST) + * of files in the context. + * SourceFile objects account for most of the memory usage by the language service. Sharing + * the same DocumentRegistry instance between different instances of LanguageService allow + * for more efficient memory utilization since all projects will share at least the library + * file (lib.d.ts). + * + * A more advanced use of the document registry is to serialize sourceFile objects to disk + * and re-hydrate them when needed. + * + * To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it + * to all subsequent createLanguageService calls. + */ + interface DocumentRegistry { + /** + * Request a stored SourceFile with a given fileName and compilationSettings. + * The first call to acquire will call createLanguageServiceSourceFile to generate + * the SourceFile if was not found in the registry. + * + * @param fileName The name of the file requested + * @param compilationSettings Some compilation settings like target affects the + * shape of a the resulting SourceFile. This allows the DocumentRegistry to store + * multiple copies of the same file for different compilation settings. + * @parm scriptSnapshot Text of the file. Only used if the file was not found + * in the registry and a new one was created. + * @parm version Current version of the file. Only used if the file was not found + * in the registry and a new one was created. + */ + acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; + /** + * Request an updated version of an already existing SourceFile with a given fileName + * and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile + * to get an updated SourceFile. + * + * @param fileName The name of the file requested + * @param compilationSettings Some compilation settings like target affects the + * shape of a the resulting SourceFile. This allows the DocumentRegistry to store + * multiple copies of the same file for different compilation settings. + * @param scriptSnapshot Text of the file. + * @param version Current version of the file. + */ + updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; + /** + * Informs the DocumentRegistry that a file is not needed any longer. + * + * Note: It is not allowed to call release on a SourceFile that was not acquired from + * this registry originally. + * + * @param fileName The name of the file to be released + * @param compilationSettings The compilation settings used to acquire the file + */ + releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; + reportStats(): string; + } + namespace ScriptElementKind { + const unknown: string; + const warning: string; + const keyword: string; + const scriptElement: string; + const moduleElement: string; + const classElement: string; + const localClassElement: string; + const interfaceElement: string; + const typeElement: string; + const enumElement: string; + const variableElement: string; + const localVariableElement: string; + const functionElement: string; + const localFunctionElement: string; + const memberFunctionElement: string; + const memberGetAccessorElement: string; + const memberSetAccessorElement: string; + const memberVariableElement: string; + const constructorImplementationElement: string; + const callSignatureElement: string; + const indexSignatureElement: string; + const constructSignatureElement: string; + const parameterElement: string; + const typeParameterElement: string; + const primitiveType: string; + const label: string; + const alias: string; + const constElement: string; + const letElement: string; + } + namespace ScriptElementKindModifier { + const none: string; + const publicMemberModifier: string; + const privateMemberModifier: string; + const protectedMemberModifier: string; + const exportedModifier: string; + const ambientModifier: string; + const staticModifier: string; + const abstractModifier: string; + } + class ClassificationTypeNames { + static comment: string; + static identifier: string; + static keyword: string; + static numericLiteral: string; + static operator: string; + static stringLiteral: string; + static whiteSpace: string; + static text: string; + static punctuation: string; + static className: string; + static enumName: string; + static interfaceName: string; + static moduleName: string; + static typeParameterName: string; + static typeAliasName: string; + static parameterName: string; + static docCommentTagName: string; + static jsxOpenTagName: string; + static jsxCloseTagName: string; + static jsxSelfClosingTagName: string; + static jsxAttribute: string; + static jsxText: string; + static jsxAttributeStringLiteralValue: string; + } + enum ClassificationType { + comment = 1, + identifier = 2, + keyword = 3, + numericLiteral = 4, + operator = 5, + stringLiteral = 6, + regularExpressionLiteral = 7, + whiteSpace = 8, + text = 9, + punctuation = 10, + className = 11, + enumName = 12, + interfaceName = 13, + moduleName = 14, + typeParameterName = 15, + typeAliasName = 16, + parameterName = 17, + docCommentTagName = 18, + jsxOpenTagName = 19, + jsxCloseTagName = 20, + jsxSelfClosingTagName = 21, + jsxAttribute = 22, + jsxText = 23, + jsxAttributeStringLiteralValue = 24, + } + interface DisplayPartsSymbolWriter extends SymbolWriter { + displayParts(): SymbolDisplayPart[]; + } + function displayPartsToString(displayParts: SymbolDisplayPart[]): string; + function getDefaultCompilerOptions(): CompilerOptions; + interface TranspileOptions { + compilerOptions?: CompilerOptions; + fileName?: string; + reportDiagnostics?: boolean; + moduleName?: string; + renamedDependencies?: Map; + } + interface TranspileOutput { + outputText: string; + diagnostics?: Diagnostic[]; + sourceMapText?: string; + } + function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; + function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; + function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean): SourceFile; + let disableIncrementalParsing: boolean; + function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; + function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; + function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; + function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; + function createClassifier(): Classifier; + /** + * Get the path of the default library files (lib.d.ts) as distributed with the typescript + * node package. + * The functionality is not supported if the ts module is consumed outside of a node module. + */ + function getDefaultLibFilePath(options: CompilerOptions): string; +} export = ts; \ No newline at end of file diff --git a/lib/typescript.js b/lib/typescript.js index 16cfdd54e3403..b388d96b07837 100644 --- a/lib/typescript.js +++ b/lib/typescript.js @@ -13,54169 +13,54173 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -var __extends = (this && this.__extends) || function (d, b) { - for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; - function __() { this.constructor = d; } - d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); -}; -var ts; -(function (ts) { - // token > SyntaxKind.Identifer => token is a keyword - // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - // We detect and preserve #! on the first line - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - // We detect and provide better error recovery when we encounter a git merge marker. This - // allows us to edit files with git-conflict markers in them in a much more pleasant manner. - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - // Literals - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 10] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 11] = "NoSubstitutionTemplateLiteral"; - // Pseudo-literals - SyntaxKind[SyntaxKind["TemplateHead"] = 12] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 13] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 14] = "TemplateTail"; - // Punctuation - SyntaxKind[SyntaxKind["OpenBraceToken"] = 15] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 16] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 17] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 18] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 19] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 20] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 21] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 22] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 23] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 24] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 25] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 26] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 27] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 28] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 29] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 30] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 31] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 32] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 33] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 34] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 35] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 36] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 37] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 38] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 39] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 40] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 41] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 42] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 43] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 44] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 46] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 47] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 48] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 49] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 50] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 51] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 52] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 53] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 54] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 55] = "AtToken"; - // Assignments - SyntaxKind[SyntaxKind["EqualsToken"] = 56] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 57] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 58] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 59] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 60] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 61] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 62] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 63] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 64] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 66] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 67] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 68] = "CaretEqualsToken"; - // Identifiers - SyntaxKind[SyntaxKind["Identifier"] = 69] = "Identifier"; - // Reserved words - SyntaxKind[SyntaxKind["BreakKeyword"] = 70] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 71] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 72] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 73] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 74] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 75] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 76] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 77] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 78] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 79] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 80] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 81] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 82] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 83] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 84] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 85] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 86] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 87] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 88] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 89] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 90] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 91] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 92] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 93] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 94] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 95] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 96] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 97] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 98] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 99] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 100] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 101] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 102] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 103] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 104] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 105] = "WithKeyword"; - // Strict mode reserved words - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 106] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 107] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 108] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 109] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 110] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 111] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 112] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 113] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 114] = "YieldKeyword"; - // Contextual keywords - SyntaxKind[SyntaxKind["AbstractKeyword"] = 115] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 116] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 117] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 118] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 119] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 120] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 121] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 122] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 123] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 124] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 125] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 126] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 127] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 128] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 129] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 130] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 131] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 132] = "TypeKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 133] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 134] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 135] = "OfKeyword"; - // Parse tree nodes - // Names - SyntaxKind[SyntaxKind["QualifiedName"] = 136] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 137] = "ComputedPropertyName"; - // Signature elements - SyntaxKind[SyntaxKind["TypeParameter"] = 138] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 139] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 140] = "Decorator"; - // TypeMember - SyntaxKind[SyntaxKind["PropertySignature"] = 141] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 142] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 143] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 144] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 145] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 146] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 147] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 148] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 149] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 150] = "IndexSignature"; - // Type - SyntaxKind[SyntaxKind["TypePredicate"] = 151] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 152] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 153] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 154] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 155] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 156] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 157] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 158] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 159] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 160] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 161] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 162] = "ThisType"; - SyntaxKind[SyntaxKind["StringLiteralType"] = 163] = "StringLiteralType"; - // Binding patterns - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 164] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 165] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 166] = "BindingElement"; - // Expression - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 167] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 168] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 169] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 170] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 171] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 172] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 173] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 174] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 175] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 176] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 177] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 178] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 179] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 180] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 181] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 182] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 183] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 184] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 185] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 186] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 187] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 188] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 189] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 190] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 191] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 192] = "AsExpression"; - // Misc - SyntaxKind[SyntaxKind["TemplateSpan"] = 193] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 194] = "SemicolonClassElement"; - // Element - SyntaxKind[SyntaxKind["Block"] = 195] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 196] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 197] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 198] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 199] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 200] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 201] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 202] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 203] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 204] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 205] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 206] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 207] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 208] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 209] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 210] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 211] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 212] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 213] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 214] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 215] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 216] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 217] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 218] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 219] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 220] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 221] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 222] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 223] = "CaseBlock"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 224] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 225] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 226] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 227] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 228] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 229] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 230] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 231] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 232] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 233] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 234] = "MissingDeclaration"; - // Module references - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 235] = "ExternalModuleReference"; - // JSX - SyntaxKind[SyntaxKind["JsxElement"] = 236] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 237] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 238] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxText"] = 239] = "JsxText"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 240] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 241] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 242] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 243] = "JsxExpression"; - // Clauses - SyntaxKind[SyntaxKind["CaseClause"] = 244] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 245] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 246] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 247] = "CatchClause"; - // Property assignments - SyntaxKind[SyntaxKind["PropertyAssignment"] = 248] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 249] = "ShorthandPropertyAssignment"; - // Enum - SyntaxKind[SyntaxKind["EnumMember"] = 250] = "EnumMember"; - // Top-level nodes - SyntaxKind[SyntaxKind["SourceFile"] = 251] = "SourceFile"; - // JSDoc nodes - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 252] = "JSDocTypeExpression"; - // The * type - SyntaxKind[SyntaxKind["JSDocAllType"] = 253] = "JSDocAllType"; - // The ? type - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 254] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 255] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 256] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 257] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 258] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 259] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 260] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 261] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 262] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 263] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 264] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 265] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 266] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 267] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 268] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 269] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 270] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 271] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 272] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 273] = "JSDocTemplateTag"; - // Synthesized list - SyntaxKind[SyntaxKind["SyntaxList"] = 274] = "SyntaxList"; - // Enum value count - SyntaxKind[SyntaxKind["Count"] = 275] = "Count"; - // Markers - SyntaxKind[SyntaxKind["FirstAssignment"] = 56] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 68] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 70] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 105] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 70] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 135] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 106] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 114] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 151] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 163] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 15] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 68] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 135] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 11] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 11] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 14] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 25] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 68] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 136] = "FirstNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Export"] = 2] = "Export"; - NodeFlags[NodeFlags["Ambient"] = 4] = "Ambient"; - NodeFlags[NodeFlags["Public"] = 8] = "Public"; - NodeFlags[NodeFlags["Private"] = 16] = "Private"; - NodeFlags[NodeFlags["Protected"] = 32] = "Protected"; - NodeFlags[NodeFlags["Static"] = 64] = "Static"; - NodeFlags[NodeFlags["Abstract"] = 128] = "Abstract"; - NodeFlags[NodeFlags["Async"] = 256] = "Async"; - NodeFlags[NodeFlags["Default"] = 512] = "Default"; - NodeFlags[NodeFlags["MultiLine"] = 1024] = "MultiLine"; - NodeFlags[NodeFlags["Synthetic"] = 2048] = "Synthetic"; - NodeFlags[NodeFlags["DeclarationFile"] = 4096] = "DeclarationFile"; - NodeFlags[NodeFlags["Let"] = 8192] = "Let"; - NodeFlags[NodeFlags["Const"] = 16384] = "Const"; - NodeFlags[NodeFlags["OctalLiteral"] = 32768] = "OctalLiteral"; - NodeFlags[NodeFlags["Namespace"] = 65536] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 131072] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 262144] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 524288] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 1048576] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 2097152] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 4194304] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 8388608] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 16777216] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 33554432] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["Modifier"] = 1022] = "Modifier"; - NodeFlags[NodeFlags["AccessibilityModifier"] = 56] = "AccessibilityModifier"; - NodeFlags[NodeFlags["BlockScoped"] = 24576] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 1572864] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 62914560] = "EmitHelperFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - /* @internal */ - (function (ParserContextFlags) { - ParserContextFlags[ParserContextFlags["None"] = 0] = "None"; - // If this node was parsed in a context where 'in-expressions' are not allowed. - ParserContextFlags[ParserContextFlags["DisallowIn"] = 1] = "DisallowIn"; - // If this node was parsed in the 'yield' context created when parsing a generator. - ParserContextFlags[ParserContextFlags["Yield"] = 2] = "Yield"; - // If this node was parsed as part of a decorator - ParserContextFlags[ParserContextFlags["Decorator"] = 4] = "Decorator"; - // If this node was parsed in the 'await' context created when parsing an async function. - ParserContextFlags[ParserContextFlags["Await"] = 8] = "Await"; - // If the parser encountered an error when parsing the code that created this node. Note - // the parser only sets this directly on the node it creates right after encountering the - // error. - ParserContextFlags[ParserContextFlags["ThisNodeHasError"] = 16] = "ThisNodeHasError"; - // This node was parsed in a JavaScript file and can be processed differently. For example - // its type can be specified usign a JSDoc comment. - ParserContextFlags[ParserContextFlags["JavaScriptFile"] = 32] = "JavaScriptFile"; - // Context flags set directly by the parser. - ParserContextFlags[ParserContextFlags["ParserGeneratedFlags"] = 31] = "ParserGeneratedFlags"; - // Exclude these flags when parsing a Type - ParserContextFlags[ParserContextFlags["TypeExcludesFlags"] = 10] = "TypeExcludesFlags"; - // Context flags computed by aggregating child flags upwards. - // Used during incremental parsing to determine if this node or any of its children had an - // error. Computed only once and then cached. - ParserContextFlags[ParserContextFlags["ThisNodeOrAnySubNodesHasError"] = 64] = "ThisNodeOrAnySubNodesHasError"; - // Used to know if we've computed data from children and cached it in this node. - ParserContextFlags[ParserContextFlags["HasAggregatedChildData"] = 128] = "HasAggregatedChildData"; - })(ts.ParserContextFlags || (ts.ParserContextFlags = {})); - var ParserContextFlags = ts.ParserContextFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - /** An element from a named property of the JSX.IntrinsicElements interface */ - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - /** An element backed by a class, class-like, or function value */ - JsxFlags[JsxFlags["ValueElement"] = 4] = "ValueElement"; - /** Element resolution failed */ - JsxFlags[JsxFlags["UnknownElement"] = 16] = "UnknownElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - /* @internal */ - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - var OperationCanceledException = (function () { - function OperationCanceledException() { - } - return OperationCanceledException; - }()); - ts.OperationCanceledException = OperationCanceledException; - /** Return code used by getEmitOutput function to indicate status of the function */ - (function (ExitStatus) { - // Compiler ran successfully. Either this was a simple do-nothing compilation (for example, - // when -version or -help was provided, or this was a normal compilation, no diagnostics - // were produced, and all outputs were generated successfully. - ExitStatus[ExitStatus["Success"] = 0] = "Success"; - // Diagnostics were produced and because of them no code was generated. - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; - // Diagnostics were produced and outputs were generated in spite of them. - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; - })(ts.ExitStatus || (ts.ExitStatus = {})); - var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - // Write symbols's type argument if it is instantiated symbol - // eg. class C { p: T } <-- Show p as C.p here - // var a: C; - // var p = a.p; <--- Here p is property of C so show it as C.p instead of just C.p - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - // Use only external alias information to get the symbol name in the given context - // eg. module m { export class c { } } import x = m.c; - // When this flag is specified m.c will be used to refer to the class instead of alias symbol x - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - /* @internal */ - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; - /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator - * metadata */ - /* @internal */ - (function (TypeReferenceSerializationKind) { - TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; - // should be emitted using a safe fallback. - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; - // function that can be reached at runtime (e.g. a `class` - // declaration or a `var` declaration for the static side - // of a type, such as the global `Promise` type in lib.d.ts). - TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; - // with call signatures. - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; - })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); - var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793056] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1536] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - // Variables can be redeclared, but can not redeclare a block-scoped declaration with the - // same name, or any other value that is not a variable, e.g. ValueModule or Class - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - // Block-scoped declarations are not allowed to be re-declared - // they can not merge with anything in the value space - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 107455] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 107455] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792960] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530912] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793056] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - /* @internal */ - // The set of things we consider semantically classifiable. Used to speed up the LS during - // classification. - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - /* @internal */ - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - // Values for enum members have been computed, and any errors have been reported for them. - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Void"] = 16] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 32] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 64] = "Null"; - TypeFlags[TypeFlags["Enum"] = 128] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 256] = "StringLiteral"; - TypeFlags[TypeFlags["TypeParameter"] = 512] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 1024] = "Class"; - TypeFlags[TypeFlags["Interface"] = 2048] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 4096] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 8192] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 16384] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 32768] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 65536] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 131072] = "Instantiated"; - /* @internal */ - TypeFlags[TypeFlags["FromSignature"] = 262144] = "FromSignature"; - TypeFlags[TypeFlags["ObjectLiteral"] = 524288] = "ObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["FreshObjectLiteral"] = 1048576] = "FreshObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsUndefinedOrNull"] = 2097152] = "ContainsUndefinedOrNull"; - /* @internal */ - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 4194304] = "ContainsObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 8388608] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["ESSymbol"] = 16777216] = "ESSymbol"; - TypeFlags[TypeFlags["ThisType"] = 33554432] = "ThisType"; - TypeFlags[TypeFlags["ObjectLiteralPatternWithComputedProperties"] = 67108864] = "ObjectLiteralPatternWithComputedProperties"; - /* @internal */ - TypeFlags[TypeFlags["Intrinsic"] = 16777343] = "Intrinsic"; - /* @internal */ - TypeFlags[TypeFlags["Primitive"] = 16777726] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 258] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 132] = "NumberLike"; - TypeFlags[TypeFlags["ObjectType"] = 80896] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 49152] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 130048] = "StructuredType"; - /* @internal */ - TypeFlags[TypeFlags["RequiresWidening"] = 6291456] = "RequiresWidening"; - /* @internal */ - TypeFlags[TypeFlags["PropagatingFlags"] = 14680064] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - /* @internal */ - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - /// exports.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - /// module.exports = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - /// className.prototype.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - /// this.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; - (function (DiagnosticCategory) { - DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; - DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; - DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; - })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); - var DiagnosticCategory = ts.DiagnosticCategory; - (function (ModuleResolutionKind) { - ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic"; - ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs"; - })(ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {})); - var ModuleResolutionKind = ts.ModuleResolutionKind; - (function (ModuleKind) { - ModuleKind[ModuleKind["None"] = 0] = "None"; - ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS"; - ModuleKind[ModuleKind["AMD"] = 2] = "AMD"; - ModuleKind[ModuleKind["UMD"] = 3] = "UMD"; - ModuleKind[ModuleKind["System"] = 4] = "System"; - ModuleKind[ModuleKind["ES6"] = 5] = "ES6"; - ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; - })(ts.ModuleKind || (ts.ModuleKind = {})); - var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES6"] = 2] = "ES6"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["Latest"] = 2] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - /* @internal */ - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - /* @internal */ - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - // Unicode 3.0 space characters - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - /** - * Ternary values are defined such that - * x & y is False if either x or y is False. - * x & y is Maybe if either x or y is Maybe, but neither x or y is False. - * x & y is True if both x and y are True. - * x | y is False if both x and y are False. - * x | y is Maybe if either x or y is Maybe, but neither x or y is True. - * x | y is True if either x or y is True. - */ - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; - function createFileMap(keyMapper) { - var files = {}; - return { - get: get, - set: set, - contains: contains, - remove: remove, - forEachValue: forEachValueInMap, - clear: clear - }; - function forEachValueInMap(f) { - for (var key in files) { - f(key, files[key]); - } - } - // path should already be well-formed so it does not need to be normalized - function get(path) { - return files[toKey(path)]; - } - function set(path, value) { - files[toKey(path)] = value; - } - function contains(path) { - return hasProperty(files, toKey(path)); - } - function remove(path) { - var key = toKey(path); - delete files[key]; - } - function clear() { - files = {}; - } - function toKey(path) { - return keyMapper ? keyMapper(path) : path; - } - } - ts.createFileMap = createFileMap; - function toPath(fileName, basePath, getCanonicalFileName) { - var nonCanonicalizedPath = isRootedDiskPath(fileName) - ? normalizePath(fileName) - : getNormalizedAbsolutePath(fileName, basePath); - return getCanonicalFileName(nonCanonicalizedPath); - } - ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; - /** - * Iterates through 'array' by index and performs the callback on each element of array until the callback - * returns a truthy value, then returns that value. - * If no such value is found, the callback is applied to each element of array and undefined is returned. - */ - function forEach(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - var result = callback(array[i], i); - if (result) { - return result; - } - } - } - return undefined; - } - ts.forEach = forEach; - function contains(array, value) { - if (array) { - for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { - var v = array_1[_i]; - if (v === value) { - return true; - } - } - } - return false; - } - ts.contains = contains; - function indexOf(array, value) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (array[i] === value) { - return i; - } - } - } - return -1; - } - ts.indexOf = indexOf; - function countWhere(array, predicate) { - var count = 0; - if (array) { - for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { - var v = array_2[_i]; - if (predicate(v)) { - count++; - } - } - } - return count; - } - ts.countWhere = countWhere; - function filter(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { - var item = array_3[_i]; - if (f(item)) { - result.push(item); - } - } - } - return result; - } - ts.filter = filter; - function map(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { - var v = array_4[_i]; - result.push(f(v)); - } - } - return result; - } - ts.map = map; - function concatenate(array1, array2) { - if (!array2 || !array2.length) - return array1; - if (!array1 || !array1.length) - return array2; - return array1.concat(array2); - } - ts.concatenate = concatenate; - function deduplicate(array) { - var result; - if (array) { - result = []; - for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { - var item = array_5[_i]; - if (!contains(result, item)) { - result.push(item); - } - } - } - return result; - } - ts.deduplicate = deduplicate; - function sum(array, prop) { - var result = 0; - for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { - var v = array_6[_i]; - result += v[prop]; - } - return result; - } - ts.sum = sum; - function addRange(to, from) { - if (to && from) { - for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { - var v = from_1[_i]; - to.push(v); - } - } - } - ts.addRange = addRange; - function rangeEquals(array1, array2, pos, end) { - while (pos < end) { - if (array1[pos] !== array2[pos]) { - return false; - } - pos++; - } - return true; - } - ts.rangeEquals = rangeEquals; - /** - * Returns the last element of an array if non-empty, undefined otherwise. - */ - function lastOrUndefined(array) { - if (array.length === 0) { - return undefined; - } - return array[array.length - 1]; - } - ts.lastOrUndefined = lastOrUndefined; - /** - * Performs a binary search, finding the index at which 'value' occurs in 'array'. - * If no such index is found, returns the 2's-complement of first index at which - * number[index] exceeds number. - * @param array A sorted array whose first element must be no larger than number - * @param number The value to be searched for in the array. - */ - function binarySearch(array, value) { - var low = 0; - var high = array.length - 1; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var midValue = array[middle]; - if (midValue === value) { - return middle; - } - else if (midValue > value) { - high = middle - 1; - } - else { - low = middle + 1; - } - } - return ~low; - } - ts.binarySearch = binarySearch; - function reduceLeft(array, f, initial) { - if (array) { - var count = array.length; - if (count > 0) { - var pos = 0; - var result = arguments.length <= 2 ? array[pos] : initial; - pos++; - while (pos < count) { - result = f(result, array[pos]); - pos++; - } - return result; - } - } - return initial; - } - ts.reduceLeft = reduceLeft; - function reduceRight(array, f, initial) { - if (array) { - var pos = array.length - 1; - if (pos >= 0) { - var result = arguments.length <= 2 ? array[pos] : initial; - pos--; - while (pos >= 0) { - result = f(result, array[pos]); - pos--; - } - return result; - } - } - return initial; - } - ts.reduceRight = reduceRight; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function hasProperty(map, key) { - return hasOwnProperty.call(map, key); - } - ts.hasProperty = hasProperty; - function getProperty(map, key) { - return hasOwnProperty.call(map, key) ? map[key] : undefined; - } - ts.getProperty = getProperty; - function isEmpty(map) { - for (var id in map) { - if (hasProperty(map, id)) { - return false; - } - } - return true; - } - ts.isEmpty = isEmpty; - function clone(object) { - var result = {}; - for (var id in object) { - result[id] = object[id]; - } - return result; - } - ts.clone = clone; - function extend(first, second) { - var result = {}; - for (var id in first) { - result[id] = first[id]; - } - for (var id in second) { - if (!hasProperty(result, id)) { - result[id] = second[id]; - } - } - return result; - } - ts.extend = extend; - function forEachValue(map, callback) { - var result; - for (var id in map) { - if (result = callback(map[id])) - break; - } - return result; - } - ts.forEachValue = forEachValue; - function forEachKey(map, callback) { - var result; - for (var id in map) { - if (result = callback(id)) - break; - } - return result; - } - ts.forEachKey = forEachKey; - function lookUp(map, key) { - return hasProperty(map, key) ? map[key] : undefined; - } - ts.lookUp = lookUp; - function copyMap(source, target) { - for (var p in source) { - target[p] = source[p]; - } - } - ts.copyMap = copyMap; - /** - * Creates a map from the elements of an array. - * - * @param array the array of input elements. - * @param makeKey a function that produces a key for a given element. - * - * This function makes no effort to avoid collisions; if any two elements produce - * the same key with the given 'makeKey' function, then the element with the higher - * index in the array will be the one associated with the produced key. - */ - function arrayToMap(array, makeKey) { - var result = {}; - forEach(array, function (value) { - result[makeKey(value)] = value; - }); - return result; - } - ts.arrayToMap = arrayToMap; - /** - * Reduce the properties of a map. - * - * @param map The map to reduce - * @param callback An aggregation function that is called for each entry in the map - * @param initial The initial value for the reduction. - */ - function reduceProperties(map, callback, initial) { - var result = initial; - if (map) { - for (var key in map) { - if (hasProperty(map, key)) { - result = callback(result, map[key], String(key)); - } - } - } - return result; - } - ts.reduceProperties = reduceProperties; - /** - * Tests whether a value is an array. - */ - function isArray(value) { - return Array.isArray ? Array.isArray(value) : value instanceof Array; - } - ts.isArray = isArray; - function memoize(callback) { - var value; - return function () { - if (callback) { - value = callback(); - callback = undefined; - } - return value; - }; - } - ts.memoize = memoize; - function formatStringFromArgs(text, args, baseIndex) { - baseIndex = baseIndex || 0; - return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); - } - ts.localizedDiagnosticMessages = undefined; - function getLocaleSpecificMessage(message) { - return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] - ? ts.localizedDiagnosticMessages[message.key] - : message.message; - } - ts.getLocaleSpecificMessage = getLocaleSpecificMessage; - function createFileDiagnostic(file, start, length, message) { - var end = start + length; - Debug.assert(start >= 0, "start must be non-negative, is " + start); - Debug.assert(length >= 0, "length must be non-negative, is " + length); - if (file) { - Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); - Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); - } - var text = getLocaleSpecificMessage(message); - if (arguments.length > 4) { - text = formatStringFromArgs(text, arguments, 4); - } - return { - file: file, - start: start, - length: length, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createFileDiagnostic = createFileDiagnostic; - function createCompilerDiagnostic(message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 1) { - text = formatStringFromArgs(text, arguments, 1); - } - return { - file: undefined, - start: undefined, - length: undefined, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createCompilerDiagnostic = createCompilerDiagnostic; - function chainDiagnosticMessages(details, message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 2) { - text = formatStringFromArgs(text, arguments, 2); - } - return { - messageText: text, - category: message.category, - code: message.code, - next: details - }; - } - ts.chainDiagnosticMessages = chainDiagnosticMessages; - function concatenateDiagnosticMessageChains(headChain, tailChain) { - var lastChain = headChain; - while (lastChain.next) { - lastChain = lastChain.next; - } - lastChain.next = tailChain; - return headChain; - } - ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; - function compareValues(a, b) { - if (a === b) - return 0 /* EqualTo */; - if (a === undefined) - return -1 /* LessThan */; - if (b === undefined) - return 1 /* GreaterThan */; - return a < b ? -1 /* LessThan */ : 1 /* GreaterThan */; - } - ts.compareValues = compareValues; - function getDiagnosticFileName(diagnostic) { - return diagnostic.file ? diagnostic.file.fileName : undefined; - } - function compareDiagnostics(d1, d2) { - return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || - compareValues(d1.start, d2.start) || - compareValues(d1.length, d2.length) || - compareValues(d1.code, d2.code) || - compareMessageText(d1.messageText, d2.messageText) || - 0 /* EqualTo */; - } - ts.compareDiagnostics = compareDiagnostics; - function compareMessageText(text1, text2) { - while (text1 && text2) { - // We still have both chains. - var string1 = typeof text1 === "string" ? text1 : text1.messageText; - var string2 = typeof text2 === "string" ? text2 : text2.messageText; - var res = compareValues(string1, string2); - if (res) { - return res; - } - text1 = typeof text1 === "string" ? undefined : text1.next; - text2 = typeof text2 === "string" ? undefined : text2.next; - } - if (!text1 && !text2) { - // if the chains are done, then these messages are the same. - return 0 /* EqualTo */; - } - // We still have one chain remaining. The shorter chain should come first. - return text1 ? 1 /* GreaterThan */ : -1 /* LessThan */; - } - function sortAndDeduplicateDiagnostics(diagnostics) { - return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); - } - ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; - function deduplicateSortedDiagnostics(diagnostics) { - if (diagnostics.length < 2) { - return diagnostics; - } - var newDiagnostics = [diagnostics[0]]; - var previousDiagnostic = diagnostics[0]; - for (var i = 1; i < diagnostics.length; i++) { - var currentDiagnostic = diagnostics[i]; - var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0 /* EqualTo */; - if (!isDupe) { - newDiagnostics.push(currentDiagnostic); - previousDiagnostic = currentDiagnostic; - } - } - return newDiagnostics; - } - ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; - function normalizeSlashes(path) { - return path.replace(/\\/g, "/"); - } - ts.normalizeSlashes = normalizeSlashes; - // Returns length of path root (i.e. length of "/", "x:/", "//server/share/, file:///user/files") - function getRootLength(path) { - if (path.charCodeAt(0) === 47 /* slash */) { - if (path.charCodeAt(1) !== 47 /* slash */) - return 1; - var p1 = path.indexOf("/", 2); - if (p1 < 0) - return 2; - var p2 = path.indexOf("/", p1 + 1); - if (p2 < 0) - return p1 + 1; - return p2 + 1; - } - if (path.charCodeAt(1) === 58 /* colon */) { - if (path.charCodeAt(2) === 47 /* slash */) - return 3; - return 2; - } - // Per RFC 1738 'file' URI schema has the shape file:/// - // if is omitted then it is assumed that host value is 'localhost', - // however slash after the omitted is not removed. - // file:///folder1/file1 - this is a correct URI - // file://folder2/file2 - this is an incorrect URI - if (path.lastIndexOf("file:///", 0) === 0) { - return "file:///".length; - } - var idx = path.indexOf("://"); - if (idx !== -1) { - return idx + "://".length; - } - return 0; - } - ts.getRootLength = getRootLength; - ts.directorySeparator = "/"; - function getNormalizedParts(normalizedSlashedPath, rootLength) { - var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); - var normalized = []; - for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { - var part = parts_1[_i]; - if (part !== ".") { - if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { - normalized.pop(); - } - else { - // A part may be an empty string (which is 'falsy') if the path had consecutive slashes, - // e.g. "path//file.ts". Drop these before re-joining the parts. - if (part) { - normalized.push(part); - } - } - } - } - return normalized; - } - function normalizePath(path) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - var normalized = getNormalizedParts(path, rootLength); - return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); - } - ts.normalizePath = normalizePath; - function getDirectoryPath(path) { - return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); - } - ts.getDirectoryPath = getDirectoryPath; - function isUrl(path) { - return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; - } - ts.isUrl = isUrl; - function isRootedDiskPath(path) { - return getRootLength(path) !== 0; - } - ts.isRootedDiskPath = isRootedDiskPath; - function normalizedPathComponents(path, rootLength) { - var normalizedParts = getNormalizedParts(path, rootLength); - return [path.substr(0, rootLength)].concat(normalizedParts); - } - function getNormalizedPathComponents(path, currentDirectory) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - if (rootLength === 0) { - // If the path is not rooted it is relative to current directory - path = combinePaths(normalizeSlashes(currentDirectory), path); - rootLength = getRootLength(path); - } - return normalizedPathComponents(path, rootLength); - } - ts.getNormalizedPathComponents = getNormalizedPathComponents; - function getNormalizedAbsolutePath(fileName, currentDirectory) { - return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); - } - ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; - function getNormalizedPathFromPathComponents(pathComponents) { - if (pathComponents && pathComponents.length) { - return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); - } - } - ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; - function getNormalizedPathComponentsOfUrl(url) { - // Get root length of http://www.website.com/folder1/foler2/ - // In this example the root is: http://www.website.com/ - // normalized path components should be ["http://www.website.com/", "folder1", "folder2"] - var urlLength = url.length; - // Initial root length is http:// part - var rootLength = url.indexOf("://") + "://".length; - while (rootLength < urlLength) { - // Consume all immediate slashes in the protocol - // eg.initial rootlength is just file:// but it needs to consume another "/" in file:/// - if (url.charCodeAt(rootLength) === 47 /* slash */) { - rootLength++; - } - else { - // non slash character means we continue proceeding to next component of root search - break; - } - } - // there are no parts after http:// just return current string as the pathComponent - if (rootLength === urlLength) { - return [url]; - } - // Find the index of "/" after website.com so the root can be http://www.website.com/ (from existing http://) - var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); - if (indexOfNextSlash !== -1) { - // Found the "/" after the website.com so the root is length of http://www.website.com/ - // and get components afetr the root normally like any other folder components - rootLength = indexOfNextSlash + 1; - return normalizedPathComponents(url, rootLength); - } - else { - // Can't find the host assume the rest of the string as component - // but make sure we append "/" to it as root is not joined using "/" - // eg. if url passed in was http://website.com we want to use root as [http://website.com/] - // so that other path manipulations will be correct and it can be merged with relative paths correctly - return [url + ts.directorySeparator]; - } - } - function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { - if (isUrl(pathOrUrl)) { - return getNormalizedPathComponentsOfUrl(pathOrUrl); - } - else { - return getNormalizedPathComponents(pathOrUrl, currentDirectory); - } - } - function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { - var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); - var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); - if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { - // If the directory path given was of type test/cases/ then we really need components of directory to be only till its name - // that is ["test", "cases", ""] needs to be actually ["test", "cases"] - directoryComponents.length--; - } - // Find the component that differs - var joinStartIndex; - for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { - break; - } - } - // Get the relative path - if (joinStartIndex) { - var relativePath = ""; - var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); - for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (directoryComponents[joinStartIndex] !== "") { - relativePath = relativePath + ".." + ts.directorySeparator; - } - } - return relativePath + relativePathComponents.join(ts.directorySeparator); - } - // Cant find the relative path, get the absolute path - var absolutePath = getNormalizedPathFromPathComponents(pathComponents); - if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { - absolutePath = "file:///" + absolutePath; - } - return absolutePath; - } - ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; - function getBaseFileName(path) { - if (path === undefined) { - return undefined; - } - var i = path.lastIndexOf(ts.directorySeparator); - return i < 0 ? path : path.substring(i + 1); - } - ts.getBaseFileName = getBaseFileName; - function combinePaths(path1, path2) { - if (!(path1 && path1.length)) - return path2; - if (!(path2 && path2.length)) - return path1; - if (getRootLength(path2) !== 0) - return path2; - if (path1.charAt(path1.length - 1) === ts.directorySeparator) - return path1 + path2; - return path1 + ts.directorySeparator + path2; - } - ts.combinePaths = combinePaths; - function fileExtensionIs(path, extension) { - var pathLen = path.length; - var extLen = extension.length; - return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; - } - ts.fileExtensionIs = fileExtensionIs; - /** - * List of supported extensions in order of file resolution precedence. - */ - ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; - ts.supportedJavascriptExtensions = [".js", ".jsx"]; - var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); - function getSupportedExtensions(options) { - return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; - } - ts.getSupportedExtensions = getSupportedExtensions; - function isSupportedSourceFileName(fileName, compilerOptions) { - if (!fileName) { - return false; - } - for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { - var extension = _a[_i]; - if (fileExtensionIs(fileName, extension)) { - return true; - } - } - return false; - } - ts.isSupportedSourceFileName = isSupportedSourceFileName; - var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; - function removeFileExtension(path) { - for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { - var ext = extensionsToRemove_1[_i]; - if (fileExtensionIs(path, ext)) { - return path.substr(0, path.length - ext.length); - } - } - return path; - } - ts.removeFileExtension = removeFileExtension; - function Symbol(flags, name) { - this.flags = flags; - this.name = name; - this.declarations = undefined; - } - function Type(checker, flags) { - this.flags = flags; - } - function Signature(checker) { - } - function Node(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0 /* None */; - this.parent = undefined; - } - ts.objectAllocator = { - getNodeConstructor: function () { return Node; }, - getSourceFileConstructor: function () { return Node; }, - getSymbolConstructor: function () { return Symbol; }, - getTypeConstructor: function () { return Type; }, - getSignatureConstructor: function () { return Signature; } - }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; - var Debug; - (function (Debug) { - var currentAssertionLevel = 0 /* None */; - function shouldAssert(level) { - return currentAssertionLevel >= level; - } - Debug.shouldAssert = shouldAssert; - function assert(expression, message, verboseDebugInfo) { - if (!expression) { - var verboseDebugString = ""; - if (verboseDebugInfo) { - verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); - } - debugger; - throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); - } - } - Debug.assert = assert; - function fail(message) { - Debug.assert(/*expression*/ false, message); - } - Debug.fail = fail; - })(Debug = ts.Debug || (ts.Debug = {})); - function copyListRemovingItem(item, list) { - var copiedList = []; - for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { - var e = list_1[_i]; - if (e !== item) { - copiedList.push(e); - } - } - return copiedList; - } - ts.copyListRemovingItem = copyListRemovingItem; - function createGetCanonicalFileName(useCaseSensitivefileNames) { - return useCaseSensitivefileNames - ? (function (fileName) { return fileName; }) - : (function (fileName) { return fileName.toLowerCase(); }); - } - ts.createGetCanonicalFileName = createGetCanonicalFileName; -})(ts || (ts = {})); -/// -var ts; -(function (ts) { - ts.sys = (function () { - function getWScriptSystem() { - var fso = new ActiveXObject("Scripting.FileSystemObject"); - var fileStream = new ActiveXObject("ADODB.Stream"); - fileStream.Type = 2 /*text*/; - var binaryStream = new ActiveXObject("ADODB.Stream"); - binaryStream.Type = 1 /*binary*/; - var args = []; - for (var i = 0; i < WScript.Arguments.length; i++) { - args[i] = WScript.Arguments.Item(i); - } - function readFile(fileName, encoding) { - if (!fso.FileExists(fileName)) { - return undefined; - } - fileStream.Open(); - try { - if (encoding) { - fileStream.Charset = encoding; - fileStream.LoadFromFile(fileName); - } - else { - // Load file and read the first two bytes into a string with no interpretation - fileStream.Charset = "x-ansi"; - fileStream.LoadFromFile(fileName); - var bom = fileStream.ReadText(2) || ""; - // Position must be at 0 before encoding can be changed - fileStream.Position = 0; - // [0xFF,0xFE] and [0xFE,0xFF] mean utf-16 (little or big endian), otherwise default to utf-8 - fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; - } - // ReadText method always strips byte order mark from resulting string - return fileStream.ReadText(); - } - catch (e) { - throw e; - } - finally { - fileStream.Close(); - } - } - function writeFile(fileName, data, writeByteOrderMark) { - fileStream.Open(); - binaryStream.Open(); - try { - // Write characters in UTF-8 encoding - fileStream.Charset = "utf-8"; - fileStream.WriteText(data); - // If we don't want the BOM, then skip it by setting the starting location to 3 (size of BOM). - // If not, start from position 0, as the BOM will be added automatically when charset==utf8. - if (writeByteOrderMark) { - fileStream.Position = 0; - } - else { - fileStream.Position = 3; - } - fileStream.CopyTo(binaryStream); - binaryStream.SaveToFile(fileName, 2 /*overwrite*/); - } - finally { - binaryStream.Close(); - fileStream.Close(); - } - } - function getCanonicalPath(path) { - return path.toLowerCase(); - } - function getNames(collection) { - var result = []; - for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { - result.push(e.item().Name); - } - return result.sort(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var folder = fso.GetFolder(path || "."); - var files = getNames(folder.files); - for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { - var current = files_1[_i]; - var name_1 = ts.combinePaths(path, current); - if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { - result.push(name_1); - } - } - var subfolders = getNames(folder.subfolders); - for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { - var current = subfolders_1[_a]; - var name_2 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_2))) { - visitDirectory(name_2); - } - } - } - } - return { - args: args, - newLine: "\r\n", - useCaseSensitiveFileNames: false, - write: function (s) { - WScript.StdOut.Write(s); - }, - readFile: readFile, - writeFile: writeFile, - resolvePath: function (path) { - return fso.GetAbsolutePathName(path); - }, - fileExists: function (path) { - return fso.FileExists(path); - }, - directoryExists: function (path) { - return fso.FolderExists(path); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - fso.CreateFolder(directoryName); - } - }, - getExecutingFilePath: function () { - return WScript.ScriptFullName; - }, - getCurrentDirectory: function () { - return new ActiveXObject("WScript.Shell").CurrentDirectory; - }, - readDirectory: readDirectory, - exit: function (exitCode) { - try { - WScript.Quit(exitCode); - } - catch (e) { - } - } - }; - } - function getNodeSystem() { - var _fs = require("fs"); - var _path = require("path"); - var _os = require("os"); - // average async stat takes about 30 microseconds - // set chunk size to do 30 files in < 1 millisecond - function createPollingWatchedFileSet(interval, chunkSize) { - if (interval === void 0) { interval = 2500; } - if (chunkSize === void 0) { chunkSize = 30; } - var watchedFiles = []; - var nextFileToCheck = 0; - var watchTimer; - function getModifiedTime(fileName) { - return _fs.statSync(fileName).mtime; - } - function poll(checkedIndex) { - var watchedFile = watchedFiles[checkedIndex]; - if (!watchedFile) { - return; - } - _fs.stat(watchedFile.filePath, function (err, stats) { - if (err) { - watchedFile.callback(watchedFile.filePath); - } - else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { - watchedFile.mtime = getModifiedTime(watchedFile.filePath); - watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); - } - }); - } - // this implementation uses polling and - // stat due to inconsistencies of fs.watch - // and efficiency of stat on modern filesystems - function startWatchTimer() { - watchTimer = setInterval(function () { - var count = 0; - var nextToCheck = nextFileToCheck; - var firstCheck = -1; - while ((count < chunkSize) && (nextToCheck !== firstCheck)) { - poll(nextToCheck); - if (firstCheck < 0) { - firstCheck = nextToCheck; - } - nextToCheck++; - if (nextToCheck === watchedFiles.length) { - nextToCheck = 0; - } - count++; - } - nextFileToCheck = nextToCheck; - }, interval); - } - function addFile(filePath, callback) { - var file = { - filePath: filePath, - callback: callback, - mtime: getModifiedTime(filePath) - }; - watchedFiles.push(file); - if (watchedFiles.length === 1) { - startWatchTimer(); - } - return file; - } - function removeFile(file) { - watchedFiles = ts.copyListRemovingItem(file, watchedFiles); - } - return { - getModifiedTime: getModifiedTime, - poll: poll, - startWatchTimer: startWatchTimer, - addFile: addFile, - removeFile: removeFile - }; - } - function createWatchedFileSet() { - var dirWatchers = ts.createFileMap(); - // One file can have multiple watchers - var fileWatcherCallbacks = ts.createFileMap(); - return { addFile: addFile, removeFile: removeFile }; - function reduceDirWatcherRefCountForFile(filePath) { - var dirPath = ts.getDirectoryPath(filePath); - if (dirWatchers.contains(dirPath)) { - var watcher = dirWatchers.get(dirPath); - watcher.referenceCount -= 1; - if (watcher.referenceCount <= 0) { - watcher.close(); - dirWatchers.remove(dirPath); - } - } - } - function addDirWatcher(dirPath) { - if (dirWatchers.contains(dirPath)) { - var watcher_1 = dirWatchers.get(dirPath); - watcher_1.referenceCount += 1; - return; - } - var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); - watcher.referenceCount = 1; - dirWatchers.set(dirPath, watcher); - return; - } - function addFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - fileWatcherCallbacks.get(filePath).push(callback); - } - else { - fileWatcherCallbacks.set(filePath, [callback]); - } - } - function addFile(filePath, callback) { - addFileWatcherCallback(filePath, callback); - addDirWatcher(ts.getDirectoryPath(filePath)); - return { filePath: filePath, callback: callback }; - } - function removeFile(watchedFile) { - removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); - reduceDirWatcherRefCountForFile(watchedFile.filePath); - } - function removeFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); - if (newCallbacks.length === 0) { - fileWatcherCallbacks.remove(filePath); - } - else { - fileWatcherCallbacks.set(filePath, newCallbacks); - } - } - } - /** - * @param watcherPath is the path from which the watcher is triggered. - */ - function fileEventHandler(eventName, relativeFileName, baseDirPath) { - // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined" - var filePath = typeof relativeFileName !== "string" - ? undefined - : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - // Some applications save a working file via rename operations - if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { - for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { - var fileCallback = _a[_i]; - fileCallback(filePath); - } - } - } - } - // REVIEW: for now this implementation uses polling. - // The advantage of polling is that it works reliably - // on all os and with network mounted files. - // For 90 referenced files, the average time to detect - // changes is 2*msInterval (by default 5 seconds). - // The overhead of this is .04 percent (1/2500) with - // average pause of < 1 millisecond (and max - // pause less than 1.5 milliseconds); question is - // do we anticipate reference sets in the 100s and - // do we care about waiting 10-20 seconds to detect - // changes for large reference sets? If so, do we want - // to increase the chunk size or decrease the interval - // time dynamically to match the large reference set? - var pollingWatchedFileSet = createPollingWatchedFileSet(); - var watchedFileSet = createWatchedFileSet(); - function isNode4OrLater() { - return parseInt(process.version.charAt(1)) >= 4; - } - var platform = _os.platform(); - // win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive - var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; - function readFile(fileName, encoding) { - if (!_fs.existsSync(fileName)) { - return undefined; - } - var buffer = _fs.readFileSync(fileName); - var len = buffer.length; - if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { - // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js, - // flip all byte pairs and treat as little endian. - len &= ~1; - for (var i = 0; i < len; i += 2) { - var temp = buffer[i]; - buffer[i] = buffer[i + 1]; - buffer[i + 1] = temp; - } - return buffer.toString("utf16le", 2); - } - if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { - // Little endian UTF-16 byte order mark detected - return buffer.toString("utf16le", 2); - } - if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { - // UTF-8 byte order mark detected - return buffer.toString("utf8", 3); - } - // Default is UTF-8 with no byte order mark - return buffer.toString("utf8"); - } - function writeFile(fileName, data, writeByteOrderMark) { - // If a BOM is required, emit one - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - var fd; - try { - fd = _fs.openSync(fileName, "w"); - _fs.writeSync(fd, data, undefined, "utf8"); - } - finally { - if (fd !== undefined) { - _fs.closeSync(fd); - } - } - } - function getCanonicalPath(path) { - return useCaseSensitiveFileNames ? path : path.toLowerCase(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var files = _fs.readdirSync(path || ".").sort(); - var directories = []; - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var current = files_2[_i]; - var name_3 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_3))) { - var stat = _fs.statSync(name_3); - if (stat.isFile()) { - if (!extension || ts.fileExtensionIs(name_3, extension)) { - result.push(name_3); - } - } - else if (stat.isDirectory()) { - directories.push(name_3); - } - } - } - for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { - var current = directories_1[_a]; - visitDirectory(current); - } - } - } - return { - args: process.argv.slice(2), - newLine: _os.EOL, - useCaseSensitiveFileNames: useCaseSensitiveFileNames, - write: function (s) { - process.stdout.write(s); - }, - readFile: readFile, - writeFile: writeFile, - watchFile: function (filePath, callback) { - // Node 4.0 stablized the `fs.watch` function on Windows which avoids polling - // and is more efficient than `fs.watchFile` (ref: https://github.com/nodejs/node/pull/2649 - // and https://github.com/Microsoft/TypeScript/issues/4643), therefore - // if the current node.js version is newer than 4, use `fs.watch` instead. - var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; - var watchedFile = watchSet.addFile(filePath, callback); - return { - close: function () { return watchSet.removeFile(watchedFile); } - }; - }, - watchDirectory: function (path, callback, recursive) { - // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows - // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643) - var options; - if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { - options = { persistent: true, recursive: !!recursive }; - } - else { - options = { persistent: true }; - } - return _fs.watch(path, options, function (eventName, relativeFileName) { - // In watchDirectory we only care about adding and removing files (when event name is - // "rename"); changes made within files are handled by corresponding fileWatchers (when - // event name is "change") - if (eventName === "rename") { - // When deleting a file, the passed baseFileName is null - callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); - } - ; - }); - }, - resolvePath: function (path) { - return _path.resolve(path); - }, - fileExists: function (path) { - return _fs.existsSync(path); - }, - directoryExists: function (path) { - return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - _fs.mkdirSync(directoryName); - } - }, - getExecutingFilePath: function () { - return __filename; - }, - getCurrentDirectory: function () { - return process.cwd(); - }, - readDirectory: readDirectory, - getMemoryUsage: function () { - if (global.gc) { - global.gc(); - } - return process.memoryUsage().heapUsed; - }, - exit: function (exitCode) { - process.exit(exitCode); - } - }; - } - function getChakraSystem() { - return { - newLine: ChakraHost.newLine || "\r\n", - args: ChakraHost.args, - useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, - write: ChakraHost.echo, - readFile: function (path, encoding) { - // encoding is automatically handled by the implementation in ChakraHost - return ChakraHost.readFile(path); - }, - writeFile: function (path, data, writeByteOrderMark) { - // If a BOM is required, emit one - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - ChakraHost.writeFile(path, data); - }, - resolvePath: ChakraHost.resolvePath, - fileExists: ChakraHost.fileExists, - directoryExists: ChakraHost.directoryExists, - createDirectory: ChakraHost.createDirectory, - getExecutingFilePath: function () { return ChakraHost.executingFile; }, - getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, - readDirectory: ChakraHost.readDirectory, - exit: ChakraHost.quit - }; - } - if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { - return getWScriptSystem(); - } - else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { - // process and process.nextTick checks if current environment is node-like - // process.browser check excludes webpack and browserify - return getNodeSystem(); - } - else if (typeof ChakraHost !== "undefined") { - return getChakraSystem(); - } - else { - return undefined; // Unsupported host - } - })(); -})(ts || (ts = {})); -// -/// -/* @internal */ -var ts; -(function (ts) { - ts.Diagnostics = { - Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, - Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, - _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, - A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, - Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, - Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, - Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, - A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, - Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, - A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, - An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, - An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, - An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, - An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, - An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, - An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, - An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, - Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, - _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, - _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, - _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, - super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, - Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, - Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, - A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, - Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, - _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, - _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, - _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, - _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, - _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, - A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, - A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, - A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, - A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, - A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, - A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, - A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, - A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, - A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, - Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, - Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, - An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, - Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, - Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, - Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, - Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, - _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, - An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, - The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, - In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, - Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, - A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, - Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, - Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, - An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, - _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, - _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, - Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, - Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, - An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, - A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, - An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, - _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, - Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, - Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, - Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, - with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, - delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, - A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, - A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, - Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, - A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, - Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, - Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, - A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, - A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, - Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, - A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, - A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, - An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, - An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, - An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, - An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, - Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, - A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, - Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, - Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, - Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, - Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, - Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, - Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, - Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, - case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, - Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, - Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, - Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, - Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, - Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, - Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, - Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, - Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, - Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, - String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, - Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, - or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, - Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, - Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, - Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, - Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, - File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, - new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, - const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, - const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, - let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, - Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, - Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, - An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, - A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, - Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, - A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, - A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, - A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, - extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, - extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, - Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, - implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, - Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, - Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, - Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, - Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, - Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, - Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, - A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, - An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, - Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, - Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, - A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, - A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, - The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, - The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, - An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, - Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, - An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, - Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, - Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, - Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, - An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, - Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, - Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, - Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, - Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, - Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, - Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, - Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, - Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, - Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, - Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, - A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, - Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, - Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, - Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, - Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, - Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, - An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, - _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, - Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, - Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, - Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, - Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, - A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, - A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, - A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, - An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, - An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, - An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, - An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, - A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, - The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, - The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, - Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, - Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, - Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, - Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, - abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, - _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, - Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, - Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, - An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, - A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, - A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, - A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, - with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, - await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, - Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, - can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, - The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, - Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, - Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, - Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, - Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, - Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, - Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, - File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, - Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, - Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, - An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, - Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, - A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, - An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, - Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, - Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, - Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, - Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, - Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, - Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, - Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, - Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, - Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, - Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, - Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, - Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, - Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, - Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, - Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, - Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, - Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, - Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, - this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, - this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, - this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, - this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, - super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, - super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, - Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, - super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, - Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, - Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, - Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, - An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, - Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, - Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, - Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, - Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, - Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, - Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, - Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, - Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, - Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, - Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, - No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, - A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, - An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, - The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, - The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, - The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, - The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, - The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, - The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, - Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, - Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, - A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, - A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, - A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, - Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, - Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, - Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, - Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, - A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, - Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, - A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, - Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, - get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, - A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, - Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, - Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, - Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, - Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, - Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, - Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, - Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, - Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, - Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, - Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, - Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, - Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, - Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, - Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, - Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, - Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, - Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, - Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, - Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, - Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, - Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, - The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, - The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, - Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, - The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, - Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, - Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, - All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, - Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, - Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, - Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, - Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, - Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, - Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, - Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, - Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, - A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, - Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, - Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, - Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, - All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, - Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, - Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, - In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, - A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, - A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, - Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, - Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, - Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, - Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, - Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, - Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, - Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, - Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, - Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, - Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, - Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, - The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, - Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, - The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, - Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, - Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, - An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, - The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, - Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, - Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, - Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, - An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, - Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, - Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, - Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, - A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, - A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, - A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, - this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, - super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, - A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, - Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, - The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, - Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, - A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, - Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, - Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, - In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, - const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, - A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, - const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, - const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, - Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, - let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, - Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, - The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, - Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, - The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, - Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, - Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, - An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, - The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, - Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, - Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, - Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, - Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, - The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, - Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, - Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, - An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, - A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, - A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, - _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, - Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, - No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, - A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, - _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, - Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, - No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, - Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, - Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, - Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, - Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, - Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, - Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, - Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, - All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, - Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, - A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, - Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, - Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, - The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, - yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, - await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, - Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, - A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, - The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, - A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, - JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, - The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, - JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, - Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, - JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, - JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, - Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, - JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, - The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, - Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, - A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, - Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, - Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, - Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, - Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, - JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, - Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, - super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, - super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, - Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, - Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, - Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, - Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, - Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, - Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, - Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, - export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, - Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, - Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, - Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, - Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, - Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, - Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, - Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, - Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, - Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, - Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, - Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, - Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, - Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, - Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, - Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, - The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, - Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, - Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, - Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, - Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, - Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, - Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, - Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, - Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, - Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, - Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, - Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, - Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, - A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, - Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, - Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, - Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, - The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, - Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, - Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, - Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, - Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, - Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, - Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, - Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, - Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, - Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, - Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, - Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, - Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, - Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, - Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, - Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, - Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, - Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, - Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, - options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, - file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, - Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, - Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, - Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, - Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, - File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, - KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, - FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, - VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, - LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, - DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, - Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, - Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, - Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, - Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, - Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, - Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, - Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, - Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, - Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, - Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, - Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, - File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, - File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, - Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, - Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, - Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, - File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, - Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, - NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, - Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, - Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, - Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, - Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, - Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, - Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, - Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, - Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, - Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, - Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, - Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, - Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, - Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, - Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, - Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, - Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, - Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, - Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, - Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, - Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, - Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, - Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, - Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, - Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, - new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, - _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, - Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, - Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, - Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, - Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, - Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, - Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, - Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, - _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, - JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, - Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, - Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, - Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, - Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, - You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, - You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, - import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, - export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, - type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, - implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, - interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, - module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, - type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, - _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, - types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, - type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, - parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, - property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, - enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, - type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, - Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, - class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, - JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, - JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, - Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, - JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, - Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, - A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, - An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, - super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } - }; -})(ts || (ts = {})); -/// -/// -var ts; -(function (ts) { - /* @internal */ - function tokenIsIdentifierOrKeyword(token) { - return token >= 69 /* Identifier */; - } - ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; - var textToToken = { - "abstract": 115 /* AbstractKeyword */, - "any": 117 /* AnyKeyword */, - "as": 116 /* AsKeyword */, - "boolean": 120 /* BooleanKeyword */, - "break": 70 /* BreakKeyword */, - "case": 71 /* CaseKeyword */, - "catch": 72 /* CatchKeyword */, - "class": 73 /* ClassKeyword */, - "continue": 75 /* ContinueKeyword */, - "const": 74 /* ConstKeyword */, - "constructor": 121 /* ConstructorKeyword */, - "debugger": 76 /* DebuggerKeyword */, - "declare": 122 /* DeclareKeyword */, - "default": 77 /* DefaultKeyword */, - "delete": 78 /* DeleteKeyword */, - "do": 79 /* DoKeyword */, - "else": 80 /* ElseKeyword */, - "enum": 81 /* EnumKeyword */, - "export": 82 /* ExportKeyword */, - "extends": 83 /* ExtendsKeyword */, - "false": 84 /* FalseKeyword */, - "finally": 85 /* FinallyKeyword */, - "for": 86 /* ForKeyword */, - "from": 133 /* FromKeyword */, - "function": 87 /* FunctionKeyword */, - "get": 123 /* GetKeyword */, - "if": 88 /* IfKeyword */, - "implements": 106 /* ImplementsKeyword */, - "import": 89 /* ImportKeyword */, - "in": 90 /* InKeyword */, - "instanceof": 91 /* InstanceOfKeyword */, - "interface": 107 /* InterfaceKeyword */, - "is": 124 /* IsKeyword */, - "let": 108 /* LetKeyword */, - "module": 125 /* ModuleKeyword */, - "namespace": 126 /* NamespaceKeyword */, - "new": 92 /* NewKeyword */, - "null": 93 /* NullKeyword */, - "number": 128 /* NumberKeyword */, - "package": 109 /* PackageKeyword */, - "private": 110 /* PrivateKeyword */, - "protected": 111 /* ProtectedKeyword */, - "public": 112 /* PublicKeyword */, - "require": 127 /* RequireKeyword */, - "global": 134 /* GlobalKeyword */, - "return": 94 /* ReturnKeyword */, - "set": 129 /* SetKeyword */, - "static": 113 /* StaticKeyword */, - "string": 130 /* StringKeyword */, - "super": 95 /* SuperKeyword */, - "switch": 96 /* SwitchKeyword */, - "symbol": 131 /* SymbolKeyword */, - "this": 97 /* ThisKeyword */, - "throw": 98 /* ThrowKeyword */, - "true": 99 /* TrueKeyword */, - "try": 100 /* TryKeyword */, - "type": 132 /* TypeKeyword */, - "typeof": 101 /* TypeOfKeyword */, - "var": 102 /* VarKeyword */, - "void": 103 /* VoidKeyword */, - "while": 104 /* WhileKeyword */, - "with": 105 /* WithKeyword */, - "yield": 114 /* YieldKeyword */, - "async": 118 /* AsyncKeyword */, - "await": 119 /* AwaitKeyword */, - "of": 135 /* OfKeyword */, - "{": 15 /* OpenBraceToken */, - "}": 16 /* CloseBraceToken */, - "(": 17 /* OpenParenToken */, - ")": 18 /* CloseParenToken */, - "[": 19 /* OpenBracketToken */, - "]": 20 /* CloseBracketToken */, - ".": 21 /* DotToken */, - "...": 22 /* DotDotDotToken */, - ";": 23 /* SemicolonToken */, - ",": 24 /* CommaToken */, - "<": 25 /* LessThanToken */, - ">": 27 /* GreaterThanToken */, - "<=": 28 /* LessThanEqualsToken */, - ">=": 29 /* GreaterThanEqualsToken */, - "==": 30 /* EqualsEqualsToken */, - "!=": 31 /* ExclamationEqualsToken */, - "===": 32 /* EqualsEqualsEqualsToken */, - "!==": 33 /* ExclamationEqualsEqualsToken */, - "=>": 34 /* EqualsGreaterThanToken */, - "+": 35 /* PlusToken */, - "-": 36 /* MinusToken */, - "**": 38 /* AsteriskAsteriskToken */, - "*": 37 /* AsteriskToken */, - "/": 39 /* SlashToken */, - "%": 40 /* PercentToken */, - "++": 41 /* PlusPlusToken */, - "--": 42 /* MinusMinusToken */, - "<<": 43 /* LessThanLessThanToken */, - ">": 44 /* GreaterThanGreaterThanToken */, - ">>>": 45 /* GreaterThanGreaterThanGreaterThanToken */, - "&": 46 /* AmpersandToken */, - "|": 47 /* BarToken */, - "^": 48 /* CaretToken */, - "!": 49 /* ExclamationToken */, - "~": 50 /* TildeToken */, - "&&": 51 /* AmpersandAmpersandToken */, - "||": 52 /* BarBarToken */, - "?": 53 /* QuestionToken */, - ":": 54 /* ColonToken */, - "=": 56 /* EqualsToken */, - "+=": 57 /* PlusEqualsToken */, - "-=": 58 /* MinusEqualsToken */, - "*=": 59 /* AsteriskEqualsToken */, - "**=": 60 /* AsteriskAsteriskEqualsToken */, - "/=": 61 /* SlashEqualsToken */, - "%=": 62 /* PercentEqualsToken */, - "<<=": 63 /* LessThanLessThanEqualsToken */, - ">>=": 64 /* GreaterThanGreaterThanEqualsToken */, - ">>>=": 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */, - "&=": 66 /* AmpersandEqualsToken */, - "|=": 67 /* BarEqualsToken */, - "^=": 68 /* CaretEqualsToken */, - "@": 55 /* AtToken */ - }; - /* - As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers - IdentifierStart :: - Can contain Unicode 3.0.0 categories: - Uppercase letter (Lu), - Lowercase letter (Ll), - Titlecase letter (Lt), - Modifier letter (Lm), - Other letter (Lo), or - Letter number (Nl). - IdentifierPart :: = - Can contain IdentifierStart + Unicode 3.0.0 categories: - Non-spacing mark (Mn), - Combining spacing mark (Mc), - Decimal number (Nd), or - Connector punctuation (Pc). - - Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at: - http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt - */ - var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 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7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 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65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - /* - As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers - IdentifierStart :: - Can contain Unicode 6.2 categories: - Uppercase letter (Lu), - Lowercase letter (Ll), - Titlecase letter (Lt), - Modifier letter (Lm), - Other letter (Lo), or - Letter number (Nl). - IdentifierPart :: - Can contain IdentifierStart + Unicode 6.2 categories: - Non-spacing mark (Mn), - Combining spacing mark (Mc), - Decimal number (Nd), - Connector punctuation (Pc), - , or - . - - Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at: - http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt - */ - var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 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43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - // Bail out quickly if it couldn't possibly be in the map. - if (code < map[0]) { - return false; - } - // Perform binary search in one of the Unicode range maps - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - // mid has to be even to catch a range's beginning - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; - } - } - return false; - } - /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 /* ES5 */ ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); - } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 /* ES5 */ ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); - } - function makeReverseMap(source) { - var result = []; - for (var name_4 in source) { - if (source.hasOwnProperty(name_4)) { - result[source[name_4]] = name_4; - } - } - return result; - } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; - } - ts.tokenToString = tokenToString; - /* @internal */ - function stringToToken(s) { - return textToToken[s]; - } - ts.stringToToken = stringToToken; - /* @internal */ - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; - } - } - result.push(lineStart); - return result; - } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - /* @internal */ - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - /* @internal */ - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - /* @internal */ - /** - * We assume the first line starts at position 0 and 'position' is non-negative. - */ - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - // If the actual position was not found, - // the binary search returns the 2's-complement of the next line start - // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20 - // then the search will return -2. - // - // We want the index of the previous line start, so we subtract 1. - // Review 2's-complement if this is confusing. - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); - } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; - } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); - } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - // Note: nextLine is in the Zs space, and should be considered to be a whitespace. - // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript. - return ch === 32 /* space */ || - ch === 9 /* tab */ || - ch === 11 /* verticalTab */ || - ch === 12 /* formFeed */ || - ch === 160 /* nonBreakingSpace */ || - ch === 133 /* nextLine */ || - ch === 5760 /* ogham */ || - ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ || - ch === 8239 /* narrowNoBreakSpace */ || - ch === 8287 /* mathematicalSpace */ || - ch === 12288 /* ideographicSpace */ || - ch === 65279 /* byteOrderMark */; - } - ts.isWhiteSpace = isWhiteSpace; - function isLineBreak(ch) { - // ES5 7.3: - // The ECMAScript line terminator characters are listed in Table 3. - // Table 3: Line Terminator Characters - // Code Unit Value Name Formal Name - // \u000A Line Feed - // \u000D Carriage Return - // \u2028 Line separator - // \u2029 Paragraph separator - // Only the characters in Table 3 are treated as line terminators. Other new line or line - // breaking characters are treated as white space but not as line terminators. - return ch === 10 /* lineFeed */ || - ch === 13 /* carriageReturn */ || - ch === 8232 /* lineSeparator */ || - ch === 8233 /* paragraphSeparator */; - } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; - } - /* @internal */ - function isOctalDigit(ch) { - return ch >= 48 /* _0 */ && ch <= 55 /* _7 */; - } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - // Keep in sync with skipTrivia - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - case 10 /* lineFeed */: - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - case 47 /* slash */: - // starts of normal trivia - case 60 /* lessThan */: - case 61 /* equals */: - case 62 /* greaterThan */: - // Starts of conflict marker trivia - return true; - case 35 /* hash */: - // Only if its the beginning can we have #! trivia - return pos === 0; - default: - return ch > 127 /* maxAsciiCharacter */; - } - } - ts.couldStartTrivia = couldStartTrivia; - /* @internal */ - function skipTrivia(text, pos, stopAfterLineBreak) { - // Using ! with a greater than test is a fast way of testing the following conditions: - // pos === undefined || pos === null || isNaN(pos) || pos < 0; - if (!(pos >= 0)) { - return pos; - } - // Keep in sync with couldStartTrivia - while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - pos++; - continue; - case 47 /* slash */: - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60 /* lessThan */: - case 61 /* equals */: - case 62 /* greaterThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35 /* hash */: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { - pos++; - continue; - } - break; - } - return pos; - } - } - ts.skipTrivia = skipTrivia; - // All conflict markers consist of the same character repeated seven times. If it is - // a <<<<<<< or >>>>>>> marker then it is also followd by a space. - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - // Conflict markers must be at the start of a line. - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 /* equals */ || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* space */; - } - } - return false; - } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); - } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; - } - } - else { - ts.Debug.assert(ch === 61 /* equals */); - // Consume everything from the start of the mid-conlict marker to the start of the next - // end-conflict marker. - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 /* greaterThan */ && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } - } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - // Shebangs check must only be done at the start of the file - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); - } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; - } - /** - * Extract comments from text prefixing the token closest following `pos`. - * The return value is an array containing a TextRange for each comment. - * Single-line comment ranges include the beginning '//' characters but not the ending line break. - * Multi - line comment ranges include the beginning '/* and ending '/' characters. - * The return value is undefined if no comments were found. - * @param trailing - * If false, whitespace is skipped until the first line break and comments between that location - * and the next token are returned. - * If true, comments occurring between the given position and the next line break are returned. - */ - function getCommentRanges(text, pos, trailing) { - var result; - var collecting = trailing || pos === 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - pos++; - if (trailing) { - return result; - } - collecting = true; - if (result && result.length) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - continue; - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - pos++; - continue; - case 47 /* slash */: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) { - var kind = nextChar === 47 /* slash */ ? 2 /* SingleLineCommentTrivia */ : 3 /* MultiLineCommentTrivia */; - var startPos = pos; - pos += 2; - if (nextChar === 47 /* slash */) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (!result) { - result = []; - } - result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - } - continue; - } - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { - if (result && result.length && isLineBreak(ch)) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - pos++; - continue; - } - break; - } - return result; - } - return result; - } - function getLeadingCommentRanges(text, pos) { - return getCommentRanges(text, pos, /*trailing*/ false); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return getCommentRanges(text, pos, /*trailing*/ true); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - /** Optionally, get the shebang */ - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || - ch === 36 /* $ */ || ch === 95 /* _ */ || - ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || - ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || - ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - /* @internal */ - function isIdentifier(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; - } - } - return true; - } - ts.isIdentifier = isIdentifier; - // Creates a scanner over a (possibly unspecified) range of a piece of text. - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0 /* Standard */; } - // Current position (end position of text of current token) - var pos; - // end of text - var end; - // Start position of whitespace before current token - var startPos; - // Start position of text of current token - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 69 /* Identifier */ || token > 105 /* LastReservedWord */; }, - isReservedWord: function () { return token >= 70 /* FirstReservedWord */ && token <= 105 /* LastReservedWord */; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); - } - } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46 /* dot */) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - } - var end = pos; - if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) { - pos++; - if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); - } - } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); - } - /** - * Scans the given number of hexadecimal digits in the text, - * returning -1 if the given number is unavailable. - */ - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false); - } - /** - * Scans as many hexadecimal digits as are available in the text, - * returning -1 if the given number of digits was unavailable. - */ - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true); - } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 /* _0 */ && ch <= 57 /* _9 */) { - value = value * 16 + ch - 48 /* _0 */; - } - else if (ch >= 65 /* A */ && ch <= 70 /* F */) { - value = value * 16 + ch - 65 /* A */ + 10; - } - else if (ch >= 97 /* a */ && ch <= 102 /* f */) { - value = value * 16 + ch - 97 /* a */ + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; - } - return value; - } - function scanString() { - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92 /* backslash */) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; - } - return result; - } - /** - * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or - * a literal component of a TemplateExpression. - */ - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; - break; - } - var currChar = text.charCodeAt(pos); - // '`' - if (currChar === 96 /* backtick */) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; - break; - } - // '${' - if (currChar === 36 /* $ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* openBrace */) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 12 /* TemplateHead */ : 13 /* TemplateMiddle */; - break; - } - // Escape character - if (currChar === 92 /* backslash */) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - // Speculated ECMAScript 6 Spec 11.8.6.1: - // and LineTerminatorSequences are normalized to for Template Values - if (currChar === 13 /* carriageReturn */) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; - } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48 /* _0 */: - return "\0"; - case 98 /* b */: - return "\b"; - case 116 /* t */: - return "\t"; - case 110 /* n */: - return "\n"; - case 118 /* v */: - return "\v"; - case 102 /* f */: - return "\f"; - case 114 /* r */: - return "\r"; - case 39 /* singleQuote */: - return "\'"; - case 34 /* doubleQuote */: - return "\""; - case 117 /* u */: - // '\u{DDDDDDDD}' - if (pos < end && text.charCodeAt(pos) === 123 /* openBrace */) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - // '\uDDDD' - return scanHexadecimalEscape(/*numDigits*/ 4); - case 120 /* x */: - // '\xDD' - return scanHexadecimalEscape(/*numDigits*/ 2); - // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence), - // the line terminator is interpreted to be "the empty code unit sequence". - case 13 /* carriageReturn */: - if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - // fall through - case 10 /* lineFeed */: - case 8232 /* lineSeparator */: - case 8233 /* paragraphSeparator */: - return ""; - default: - return String.fromCharCode(ch); - } - } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; - } - } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - // Validate the value of the digit - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125 /* closeBrace */) { - // Only swallow the following character up if it's a '}'. - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); - } - // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec. - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); - } - // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX' - // and return code point value if valid Unicode escape is found. Otherwise return -1. - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* u */) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; - } - return -1; - } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92 /* backslash */) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - // Valid Unicode escape is always six characters - pos += 6; - start = pos; - } - else { - break; - } - } - result += text.substring(start, pos); - return result; - } - function getIdentifierToken() { - // Reserved words are between 2 and 11 characters long and start with a lowercase letter - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 /* a */ && ch <= 122 /* z */ && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 69 /* Identifier */; - } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); - var value = 0; - // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b. - // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O. - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48 /* _0 */; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - // Invalid binaryIntegerLiteral or octalIntegerLiteral - if (numberOfDigits === 0) { - return -1; - } - return value; - } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - var ch = text.charCodeAt(pos); - // Special handling for shebang - if (ch === 35 /* hash */ && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6 /* ShebangTrivia */; - } - } - switch (ch) { - case 10 /* lineFeed */: - case 13 /* carriageReturn */: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 /* carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - // consume both CR and LF - pos += 2; - } - else { - pos++; - } - return token = 4 /* NewLineTrivia */; - } - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { - pos++; - } - return token = 5 /* WhitespaceTrivia */; - } - case 33 /* exclamation */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 33 /* ExclamationEqualsEqualsToken */; - } - return pos += 2, token = 31 /* ExclamationEqualsToken */; - } - pos++; - return token = 49 /* ExclamationToken */; - case 34 /* doubleQuote */: - case 39 /* singleQuote */: - tokenValue = scanString(); - return token = 9 /* StringLiteral */; - case 96 /* backtick */: - return token = scanTemplateAndSetTokenValue(); - case 37 /* percent */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 62 /* PercentEqualsToken */; - } - pos++; - return token = 40 /* PercentToken */; - case 38 /* ampersand */: - if (text.charCodeAt(pos + 1) === 38 /* ampersand */) { - return pos += 2, token = 51 /* AmpersandAmpersandToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 66 /* AmpersandEqualsToken */; - } - pos++; - return token = 46 /* AmpersandToken */; - case 40 /* openParen */: - pos++; - return token = 17 /* OpenParenToken */; - case 41 /* closeParen */: - pos++; - return token = 18 /* CloseParenToken */; - case 42 /* asterisk */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 59 /* AsteriskEqualsToken */; - } - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 60 /* AsteriskAsteriskEqualsToken */; - } - return pos += 2, token = 38 /* AsteriskAsteriskToken */; - } - pos++; - return token = 37 /* AsteriskToken */; - case 43 /* plus */: - if (text.charCodeAt(pos + 1) === 43 /* plus */) { - return pos += 2, token = 41 /* PlusPlusToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 57 /* PlusEqualsToken */; - } - pos++; - return token = 35 /* PlusToken */; - case 44 /* comma */: - pos++; - return token = 24 /* CommaToken */; - case 45 /* minus */: - if (text.charCodeAt(pos + 1) === 45 /* minus */) { - return pos += 2, token = 42 /* MinusMinusToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 58 /* MinusEqualsToken */; - } - pos++; - return token = 36 /* MinusToken */; - case 46 /* dot */: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8 /* NumericLiteral */; - } - if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) { - return pos += 3, token = 22 /* DotDotDotToken */; - } - pos++; - return token = 21 /* DotToken */; - case 47 /* slash */: - // Single-line comment - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2 /* SingleLineCommentTrivia */; - } - } - // Multi-line comment - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3 /* MultiLineCommentTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 61 /* SlashEqualsToken */; - } - pos++; - return token = 39 /* SlashToken */; - case 48 /* _0 */: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) { - pos += 2; - var value = scanBinaryOrOctalDigits(/* base */ 2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) { - pos += 2; - var value = scanBinaryOrOctalDigits(/* base */ 8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - // Try to parse as an octal - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8 /* NumericLiteral */; - } - // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero - // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being - // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do). - case 49 /* _1 */: - case 50 /* _2 */: - case 51 /* _3 */: - case 52 /* _4 */: - case 53 /* _5 */: - case 54 /* _6 */: - case 55 /* _7 */: - case 56 /* _8 */: - case 57 /* _9 */: - tokenValue = scanNumber(); - return token = 8 /* NumericLiteral */; - case 58 /* colon */: - pos++; - return token = 54 /* ColonToken */; - case 59 /* semicolon */: - pos++; - return token = 23 /* SemicolonToken */; - case 60 /* lessThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 60 /* lessThan */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 63 /* LessThanLessThanEqualsToken */; - } - return pos += 2, token = 43 /* LessThanLessThanToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 28 /* LessThanEqualsToken */; - } - if (languageVariant === 1 /* JSX */ && - text.charCodeAt(pos + 1) === 47 /* slash */ && - text.charCodeAt(pos + 2) !== 42 /* asterisk */) { - return pos += 2, token = 26 /* LessThanSlashToken */; - } - pos++; - return token = 25 /* LessThanToken */; - case 61 /* equals */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 32 /* EqualsEqualsEqualsToken */; - } - return pos += 2, token = 30 /* EqualsEqualsToken */; - } - if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { - return pos += 2, token = 34 /* EqualsGreaterThanToken */; - } - pos++; - return token = 56 /* EqualsToken */; - case 62 /* greaterThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - pos++; - return token = 27 /* GreaterThanToken */; - case 63 /* question */: - pos++; - return token = 53 /* QuestionToken */; - case 91 /* openBracket */: - pos++; - return token = 19 /* OpenBracketToken */; - case 93 /* closeBracket */: - pos++; - return token = 20 /* CloseBracketToken */; - case 94 /* caret */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 68 /* CaretEqualsToken */; - } - pos++; - return token = 48 /* CaretToken */; - case 123 /* openBrace */: - pos++; - return token = 15 /* OpenBraceToken */; - case 124 /* bar */: - if (text.charCodeAt(pos + 1) === 124 /* bar */) { - return pos += 2, token = 52 /* BarBarToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 67 /* BarEqualsToken */; - } - pos++; - return token = 47 /* BarToken */; - case 125 /* closeBrace */: - pos++; - return token = 16 /* CloseBraceToken */; - case 126 /* tilde */: - pos++; - return token = 50 /* TildeToken */; - case 64 /* at */: - pos++; - return token = 55 /* AtToken */; - case 92 /* backslash */: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0 /* Unknown */; - default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92 /* backslash */) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpace(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0 /* Unknown */; - } - } - } - function reScanGreaterToken() { - if (token === 27 /* GreaterThanToken */) { - if (text.charCodeAt(pos) === 62 /* greaterThan */) { - if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */; - } - return pos += 2, token = 45 /* GreaterThanGreaterThanGreaterThanToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 64 /* GreaterThanGreaterThanEqualsToken */; - } - pos++; - return token = 44 /* GreaterThanGreaterThanToken */; - } - if (text.charCodeAt(pos) === 61 /* equals */) { - pos++; - return token = 29 /* GreaterThanEqualsToken */; - } - } - return token; - } - function reScanSlashToken() { - if (token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - // If we reach the end of a file, or hit a newline, then this is an unterminated - // regex. Report error and return what we have so far. - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - // Parsing an escape character; - // reset the flag and just advance to the next char. - inEscape = false; - } - else if (ch === 47 /* slash */ && !inCharacterClass) { - // A slash within a character class is permissible, - // but in general it signals the end of the regexp literal. - p++; - break; - } - else if (ch === 91 /* openBracket */) { - inCharacterClass = true; - } - else if (ch === 92 /* backslash */) { - inEscape = true; - } - else if (ch === 93 /* closeBracket */) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; - } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 10 /* RegularExpressionLiteral */; - } - return token; - } - /** - * Unconditionally back up and scan a template expression portion. - */ - function reScanTemplateToken() { - ts.Debug.assert(token === 16 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); - } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); - } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - var char = text.charCodeAt(pos); - if (char === 60 /* lessThan */) { - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - return token = 26 /* LessThanSlashToken */; - } - pos++; - return token = 25 /* LessThanToken */; - } - if (char === 123 /* openBrace */) { - pos++; - return token = 15 /* OpenBraceToken */; - } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123 /* openBrace */) || (char === 60 /* lessThan */)) { - break; - } - } - return token = 239 /* JsxText */; - } - // Scans a JSX identifier; these differ from normal identifiers in that - // they allow dashes - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 /* minus */ || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } - } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); - } - return token; - } - function scanJSDocToken() { - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - startPos = pos; - // Eat leading whitespace - var ch = text.charCodeAt(pos); - while (pos < end) { - ch = text.charCodeAt(pos); - if (isWhiteSpace(ch)) { - pos++; - } - else { - break; - } - } - tokenPos = pos; - switch (ch) { - case 64 /* at */: - return pos += 1, token = 55 /* AtToken */; - case 10 /* lineFeed */: - case 13 /* carriageReturn */: - return pos += 1, token = 4 /* NewLineTrivia */; - case 42 /* asterisk */: - return pos += 1, token = 37 /* AsteriskToken */; - case 123 /* openBrace */: - return pos += 1, token = 15 /* OpenBraceToken */; - case 125 /* closeBrace */: - return pos += 1, token = 16 /* CloseBraceToken */; - case 91 /* openBracket */: - return pos += 1, token = 19 /* OpenBracketToken */; - case 93 /* closeBracket */: - return pos += 1, token = 20 /* CloseBracketToken */; - case 61 /* equals */: - return pos += 1, token = 56 /* EqualsToken */; - case 44 /* comma */: - return pos += 1, token = 24 /* CommaToken */; - } - if (isIdentifierStart(ch, 2 /* Latest */)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 2 /* Latest */) && pos < end) { - pos++; - } - return token = 69 /* Identifier */; - } - else { - return pos += 1, token = 0 /* Unknown */; - } - } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - // If our callback returned something 'falsy' or we're just looking ahead, - // then unconditionally restore us to where we were. - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; - } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, /*isLookahead*/ true); - } - function tryScan(callback) { - return speculationHelper(callback, /*isLookahead*/ false); - } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); - } - function setOnError(errorCallback) { - onError = errorCallback; - } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; - } - function setLanguageVariant(variant) { - languageVariant = variant; - } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0 /* Unknown */; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; - } - } - ts.createScanner = createScanner; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; - } - } - } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - // Pool writers to avoid needing to allocate them for every symbol we write. - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - // Completely ignore indentation for string writers. And map newlines to - // a single space. - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = {}; - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - // Returns true if this node contains a parse error anywhere underneath it. - function containsParseError(node) { - aggregateChildData(node); - return (node.parserContextFlags & 64 /* ThisNodeOrAnySubNodesHasError */) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.parserContextFlags & 128 /* HasAggregatedChildData */)) { - // A node is considered to contain a parse error if: - // a) the parser explicitly marked that it had an error - // b) any of it's children reported that it had an error. - var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16 /* ThisNodeHasError */) !== 0) || - ts.forEachChild(node, containsParseError); - // If so, mark ourselves accordingly. - if (thisNodeOrAnySubNodesHasError) { - node.parserContextFlags |= 64 /* ThisNodeOrAnySubNodesHasError */; - } - // Also mark that we've propogated the child information to this node. This way we can - // always consult the bit directly on this node without needing to check its children - // again. - node.parserContextFlags |= 128 /* HasAggregatedChildData */; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 251 /* SourceFile */) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 195 /* Block */: - case 223 /* CaseBlock */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - // This is a useful function for debugging purposes. - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - // Returns true if this node is missing from the actual source code. A 'missing' node is different - // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes - // in the tree), it is definitely missing. However, a node may be defined, but still be - // missing. This happens whenever the parser knows it needs to parse something, but can't - // get anything in the source code that it expects at that location. For example: - // - // let a: ; - // - // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source - // code). So the parser will attempt to parse out a type, and will create an actual node. - // However, this node will be 'missing' in the sense that no actual source-code/tokens are - // contained within it. - function nodeIsMissing(node) { - if (!node) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* EndOfFileToken */; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile) { - // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't* - // want to skip trivia because this will launch us forward to the next token. - if (nodeIsMissing(node)) { - return node.pos; - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; - } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - // Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - // Remove extra underscore from escaped identifier - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ && identifier.charCodeAt(2) === 95 /* _ */ ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - // Make an identifier from an external module name by extracting the string after the last "/" and replacing - // all non-alphanumeric characters with underscores - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (getCombinedNodeFlags(declaration) & 24576 /* BlockScoped */) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 221 /* ModuleDeclaration */ && - (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isBlockScopedContainerTopLevel(node) { - return node.kind === 251 /* SourceFile */ || - node.kind === 221 /* ModuleDeclaration */ || - isFunctionLike(node) || - isFunctionBlock(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 2097152 /* GlobalAugmentation */); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - // external module augmentation is a ambient module declaration that is either: - // - defined in the top level scope and source file is an external module - // - defined inside ambient module declaration located in the top level scope and source file not an external module - if (!node || !isAmbientModule(node)) { - return false; - } - switch (node.parent.kind) { - case 251 /* SourceFile */: - return isExternalModule(node.parent); - case 222 /* ModuleBlock */: - return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); - } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - // Gets the nearest enclosing block scope container that has the provided node - // as a descendant, that is not the provided node. - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isFunctionLike(current)) { - return current; - } - switch (current.kind) { - case 251 /* SourceFile */: - case 223 /* CaseBlock */: - case 247 /* CatchClause */: - case 221 /* ModuleDeclaration */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return current; - case 195 /* Block */: - // function block is not considered block-scope container - // see comment in binder.ts: bind(...), case for SyntaxKind.Block - if (!isFunctionLike(current.parent)) { - return current; - } - } - current = current.parent; - } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 214 /* VariableDeclaration */ && - declaration.parent && - declaration.parent.kind === 247 /* CatchClause */; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - // Return display name of an identifier - // Computed property names will just be emitted as "[]", where is the source - // text of the expression in the computed property. - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 251 /* SourceFile */: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false); - if (pos_1 === sourceFile.text.length) { - // file is empty - return span for the beginning of the file - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - // This list is a work in progress. Add missing node kinds to improve their error - // spans. - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 219 /* TypeAliasDeclaration */: - errorNode = node.name; - break; - } - if (errorNode === undefined) { - // If we don't have a better node, then just set the error on the first token of - // construct. - return getSpanOfTokenAtPosition(sourceFile, node.pos); - } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; - } - ts.isExternalModule = isExternalModule; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return (file.flags & 4096 /* DeclarationFile */) !== 0; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 220 /* EnumDeclaration */ && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 166 /* BindingElement */ || isBindingPattern(node))) { - node = node.parent; - } - return node; - } - // Returns the node flags for this node and all relevant parent nodes. This is done so that - // nodes like variable declarations and binding elements can returned a view of their flags - // that includes the modifiers from their container. i.e. flags like export/declare aren't - // stored on the variable declaration directly, but on the containing variable statement - // (if it has one). Similarly, flags for let/const are store on the variable declaration - // list. By calling this function, all those flags are combined so that the client can treat - // the node as if it actually had those flags. - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 214 /* VariableDeclaration */) { - node = node.parent; - } - if (node && node.kind === 215 /* VariableDeclarationList */) { - flags |= node.flags; - node = node.parent; - } - if (node && node.kind === 196 /* VariableStatement */) { - flags |= node.flags; - } - return flags; - } - ts.getCombinedNodeFlags = getCombinedNodeFlags; - function isConst(node) { - return !!(getCombinedNodeFlags(node) & 16384 /* Const */); - } - ts.isConst = isConst; - function isLet(node) { - return !!(getCombinedNodeFlags(node) & 8192 /* Let */); - } - ts.isLet = isLet; - function isSuperCallExpression(n) { - return n.kind === 171 /* CallExpression */ && n.expression.kind === 95 /* SuperKeyword */; - } - ts.isSuperCallExpression = isSuperCallExpression; - function isPrologueDirective(node) { - return node.kind === 198 /* ExpressionStatement */ && node.expression.kind === 9 /* StringLiteral */; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 139 /* Parameter */ || node.kind === 138 /* TypeParameter */) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - // True if the comment starts with '/**' but not if it is '/**/' - return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 3) !== 47 /* slash */; - } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isTypeNode(node) { - if (151 /* FirstTypeNode */ <= node.kind && node.kind <= 163 /* LastTypeNode */) { - return true; - } - switch (node.kind) { - case 117 /* AnyKeyword */: - case 128 /* NumberKeyword */: - case 130 /* StringKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - return true; - case 103 /* VoidKeyword */: - return node.parent.kind !== 180 /* VoidExpression */; - case 191 /* ExpressionWithTypeArguments */: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - // Identifiers and qualified names may be type nodes, depending on their context. Climb - // above them to find the lowest container - case 69 /* Identifier */: - // If the identifier is the RHS of a qualified name, then it's a type iff its parent is. - if (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node) { - node = node.parent; - } - // At this point, node is either a qualified name or an identifier - ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); - case 136 /* QualifiedName */: - case 169 /* PropertyAccessExpression */: - case 97 /* ThisKeyword */: - var parent_1 = node.parent; - if (parent_1.kind === 155 /* TypeQuery */) { - return false; - } - // Do not recursively call isTypeNode on the parent. In the example: - // - // let a: A.B.C; - // - // Calling isTypeNode would consider the qualified name A.B a type node. Only C or - // A.B.C is a type node. - if (151 /* FirstTypeNode */ <= parent_1.kind && parent_1.kind <= 163 /* LastTypeNode */) { - return true; - } - switch (parent_1.kind) { - case 191 /* ExpressionWithTypeArguments */: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); - case 138 /* TypeParameter */: - return node === parent_1.constraint; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 139 /* Parameter */: - case 214 /* VariableDeclaration */: - return node === parent_1.type; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 145 /* Constructor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return node === parent_1.type; - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return node === parent_1.type; - case 174 /* TypeAssertionExpression */: - return node === parent_1.type; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; - case 173 /* TaggedTemplateExpression */: - // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments. - return false; - } - } - return false; - } - ts.isTypeNode = isTypeNode; - // Warning: This has the same semantics as the forEach family of functions, - // in that traversal terminates in the event that 'visitor' supplies a truthy value. - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 207 /* ReturnStatement */: - return visitor(node); - case 223 /* CaseBlock */: - case 195 /* Block */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - case 210 /* LabeledStatement */: - case 212 /* TryStatement */: - case 247 /* CatchClause */: - return ts.forEachChild(node, traverse); - } - } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 187 /* YieldExpression */: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // These are not allowed inside a generator now, but eventually they may be allowed - // as local types. Regardless, any yield statements contained within them should be - // skipped in this traversal. - return; - default: - if (isFunctionLike(node)) { - var name_5 = node.name; - if (name_5 && name_5.kind === 137 /* ComputedPropertyName */) { - // Note that we will not include methods/accessors of a class because they would require - // first descending into the class. This is by design. - traverse(name_5.expression); - return; - } - } - else if (!isTypeNode(node)) { - // This is the general case, which should include mostly expressions and statements. - // Also includes NodeArrays. - ts.forEachChild(node, traverse); - } - } - } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 166 /* BindingElement */: - case 250 /* EnumMember */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 249 /* ShorthandPropertyAssignment */: - case 214 /* VariableDeclaration */: - return true; - } - } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */); - } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 145 /* Constructor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return true; - } - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - return true; - case 210 /* LabeledStatement */: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 195 /* Block */ && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 144 /* MethodDeclaration */ && node.parent.kind === 168 /* ObjectLiteralExpression */; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1 /* Identifier */; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0 /* This */; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 137 /* ComputedPropertyName */: - // If the grandparent node is an object literal (as opposed to a class), - // then the computed property is not a 'this' container. - // A computed property name in a class needs to be a this container - // so that we can error on it. - if (isClassLike(node.parent.parent)) { - return node; - } - // If this is a computed property, then the parent should not - // make it a this container. The parent might be a property - // in an object literal, like a method or accessor. But in order for - // such a parent to be a this container, the reference must be in - // the *body* of the container. - node = node.parent; - break; - case 140 /* Decorator */: - // Decorators are always applied outside of the body of a class or method. - if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { - // If the decorator's parent is a Parameter, we resolve the this container from - // the grandparent class declaration. - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - // If the decorator's parent is a class element, we resolve the 'this' container - // from the parent class declaration. - node = node.parent; - } - break; - case 177 /* ArrowFunction */: - if (!includeArrowFunctions) { - continue; - } - // Fall through - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 221 /* ModuleDeclaration */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 220 /* EnumDeclaration */: - case 251 /* SourceFile */: - return node; - } - } - } - ts.getThisContainer = getThisContainer; - /** - * Given an super call\property node returns a closest node where either - * - super call\property is legal in the node and not legal in the parent node the node. - * i.e. super call is legal in constructor but not legal in the class body. - * - node is arrow function (so caller might need to call getSuperContainer in case it needs to climb higher) - * - super call\property is definitely illegal in the node (but might be legal in some subnode) - * i.e. super property access is illegal in function declaration but can be legal in the statement list - */ - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 137 /* ComputedPropertyName */: - node = node.parent; - break; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!stopOnFunctions) { - continue; - } - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return node; - case 140 /* Decorator */: - // Decorators are always applied outside of the body of a class or method. - if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { - // If the decorator's parent is a Parameter, we resolve the this container from - // the grandparent class declaration. - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - // If the decorator's parent is a class element, we resolve the 'this' container - // from the parent class declaration. - node = node.parent; - } - break; - } - } - } - ts.getSuperContainer = getSuperContainer; - /** - * Determines whether a node is a property or element access expression for super. - */ - function isSuperPropertyOrElementAccess(node) { - return (node.kind === 169 /* PropertyAccessExpression */ - || node.kind === 170 /* ElementAccessExpression */) - && node.expression.kind === 95 /* SuperKeyword */; - } - ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 152 /* TypeReference */: - return node.typeName; - case 191 /* ExpressionWithTypeArguments */: - return node.expression; - case 69 /* Identifier */: - case 136 /* QualifiedName */: - return node; - } - } - return undefined; - } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function getInvokedExpression(node) { - if (node.kind === 173 /* TaggedTemplateExpression */) { - return node.tag; - } - // Will either be a CallExpression, NewExpression, or Decorator. - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 217 /* ClassDeclaration */: - // classes are valid targets - return true; - case 142 /* PropertyDeclaration */: - // property declarations are valid if their parent is a class declaration. - return node.parent.kind === 217 /* ClassDeclaration */; - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 144 /* MethodDeclaration */: - // if this method has a body and its parent is a class declaration, this is a valid target. - return node.body !== undefined - && node.parent.kind === 217 /* ClassDeclaration */; - case 139 /* Parameter */: - // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target; - return node.parent.body !== undefined - && (node.parent.kind === 145 /* Constructor */ - || node.parent.kind === 144 /* MethodDeclaration */ - || node.parent.kind === 147 /* SetAccessor */) - && node.parent.parent.kind === 217 /* ClassDeclaration */; - } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); - } - ts.nodeIsDecorated = nodeIsDecorated; - function isPropertyAccessExpression(node) { - return node.kind === 169 /* PropertyAccessExpression */; - } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 170 /* ElementAccessExpression */; - } - ts.isElementAccessExpression = isElementAccessExpression; - function isExpression(node) { - switch (node.kind) { - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - case 10 /* RegularExpressionLiteral */: - case 167 /* ArrayLiteralExpression */: - case 168 /* ObjectLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 173 /* TaggedTemplateExpression */: - case 192 /* AsExpression */: - case 174 /* TypeAssertionExpression */: - case 175 /* ParenthesizedExpression */: - case 176 /* FunctionExpression */: - case 189 /* ClassExpression */: - case 177 /* ArrowFunction */: - case 180 /* VoidExpression */: - case 178 /* DeleteExpression */: - case 179 /* TypeOfExpression */: - case 182 /* PrefixUnaryExpression */: - case 183 /* PostfixUnaryExpression */: - case 184 /* BinaryExpression */: - case 185 /* ConditionalExpression */: - case 188 /* SpreadElementExpression */: - case 186 /* TemplateExpression */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 190 /* OmittedExpression */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 187 /* YieldExpression */: - case 181 /* AwaitExpression */: - return true; - case 136 /* QualifiedName */: - while (node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return node.parent.kind === 155 /* TypeQuery */; - case 69 /* Identifier */: - if (node.parent.kind === 155 /* TypeQuery */) { - return true; - } - // fall through - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 97 /* ThisKeyword */: - var parent_2 = node.parent; - switch (parent_2.kind) { - case 214 /* VariableDeclaration */: - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 250 /* EnumMember */: - case 248 /* PropertyAssignment */: - case 166 /* BindingElement */: - return parent_2.initializer === node; - case 198 /* ExpressionStatement */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 207 /* ReturnStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 211 /* ThrowStatement */: - case 209 /* SwitchStatement */: - return parent_2.expression === node; - case 202 /* ForStatement */: - var forStatement = parent_2; - return (forStatement.initializer === node && forStatement.initializer.kind !== 215 /* VariableDeclarationList */) || - forStatement.condition === node || - forStatement.incrementor === node; - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - var forInStatement = parent_2; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215 /* VariableDeclarationList */) || - forInStatement.expression === node; - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return node === parent_2.expression; - case 193 /* TemplateSpan */: - return node === parent_2.expression; - case 137 /* ComputedPropertyName */: - return node === parent_2.expression; - case 140 /* Decorator */: - case 243 /* JsxExpression */: - case 242 /* JsxSpreadAttribute */: - return true; - case 191 /* ExpressionWithTypeArguments */: - return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - default: - if (isExpression(parent_2)) { - return true; - } - } - } - return false; - } - ts.isExpression = isExpression; - function isExternalModuleNameRelative(moduleName) { - // TypeScript 1.0 spec (April 2014): 11.2.1 - // An external module name is "relative" if the first term is "." or "..". - return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; - } - ts.isExternalModuleNameRelative = isExternalModuleNameRelative; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 /* Instantiated */ || - (preserveConstEnums && moduleState === 2 /* ConstEnumOnly */); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 235 /* ExternalModuleReference */; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind !== 235 /* ExternalModuleReference */; - } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); - } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.parserContextFlags & 32 /* JavaScriptFile */); - } - ts.isInJavaScriptFile = isInJavaScriptFile; - /** - * Returns true if the node is a CallExpression to the identifier 'require' with - * exactly one argument. - * This function does not test if the node is in a JavaScript file or not. - */ - function isRequireCall(expression, checkArgumentIsStringLiteral) { - // of the form 'require("name")' - var isRequire = expression.kind === 171 /* CallExpression */ && - expression.expression.kind === 69 /* Identifier */ && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9 /* StringLiteral */); - } - ts.isRequireCall = isRequireCall; - /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property - /// assignments we treat as special in the binder - function getSpecialPropertyAssignmentKind(expression) { - if (expression.kind !== 184 /* BinaryExpression */) { - return 0 /* None */; - } - var expr = expression; - if (expr.operatorToken.kind !== 56 /* EqualsToken */ || expr.left.kind !== 169 /* PropertyAccessExpression */) { - return 0 /* None */; - } - var lhs = expr.left; - if (lhs.expression.kind === 69 /* Identifier */) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - // exports.name = expr - return 1 /* ExportsProperty */; - } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - // module.exports = expr - return 2 /* ModuleExports */; - } - } - else if (lhs.expression.kind === 97 /* ThisKeyword */) { - return 4 /* ThisProperty */; - } - else if (lhs.expression.kind === 169 /* PropertyAccessExpression */) { - // chained dot, e.g. x.y.z = expr; this var is the 'x.y' part - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 69 /* Identifier */ && innerPropertyAccess.name.text === "prototype") { - return 3 /* PrototypeProperty */; - } - } - return 0 /* None */; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 225 /* ImportDeclaration */) { - return node.moduleSpecifier; - } - if (node.kind === 224 /* ImportEqualsDeclaration */) { - var reference = node.moduleReference; - if (reference.kind === 235 /* ExternalModuleReference */) { - return reference.expression; - } - } - if (node.kind === 231 /* ExportDeclaration */) { - return node.moduleSpecifier; - } - if (node.kind === 221 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 139 /* Parameter */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 249 /* ShorthandPropertyAssignment */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return node.questionToken !== undefined; - } - } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 264 /* JSDocFunctionType */ && - node.parameters.length > 0 && - node.parameters[0].type.kind === 266 /* JSDocConstructorType */; - } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocComment = getJSDocComment(node, checkParentVariableStatement); - if (!jsDocComment) { - return undefined; - } - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === kind) { - return tag; - } - } - } - function getJSDocComment(node, checkParentVariableStatement) { - if (node.jsDocComment) { - return node.jsDocComment; - } - // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement. - // /** - // * @param {number} name - // * @returns {number} - // */ - // var x = function(name) { return name.length; } - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 /* VariableDeclaration */ && - node.parent.initializer === node && - node.parent.parent.parent.kind === 196 /* VariableStatement */; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; - if (variableStatementNode) { - return variableStatementNode.jsDocComment; - } - // Also recognize when the node is the RHS of an assignment expression - var parent_3 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && - parent_3.kind === 184 /* BinaryExpression */ && - parent_3.operatorToken.kind === 56 /* EqualsToken */ && - parent_3.parent.kind === 198 /* ExpressionStatement */; - if (isSourceOfAssignmentExpressionStatement) { - return parent_3.parent.jsDocComment; - } - var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248 /* PropertyAssignment */; - if (isPropertyAssignmentExpression) { - return parent_3.jsDocComment; - } - } - return undefined; - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 272 /* JSDocTypeTag */, /*checkParentVariableStatement*/ false); - } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 271 /* JSDocReturnTag */, /*checkParentVariableStatement*/ true); - } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 273 /* JSDocTemplateTag */, /*checkParentVariableStatement*/ false); - } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 69 /* Identifier */) { - // If it's a parameter, see if the parent has a jsdoc comment with an @param - // annotation. - var parameterName = parameter.name.text; - var jsDocComment = getJSDocComment(parameter.parent, /*checkParentVariableStatement*/ true); - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === 270 /* JSDocParameterTag */) { - var parameterTag = tag; - var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; - if (name_6.text === parameterName) { - return parameterTag; - } - } - } - } - } - return undefined; - } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); - } - ts.hasRestParameter = hasRestParameter; - function isRestParameter(node) { - if (node) { - if (node.parserContextFlags & 32 /* JavaScriptFile */) { - if (node.type && node.type.kind === 265 /* JSDocVariadicType */) { - return true; - } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 265 /* JSDocVariadicType */; - } - } - return node.dotDotDotToken !== undefined; - } - return false; - } - ts.isRestParameter = isRestParameter; - function isLiteralKind(kind) { - return 8 /* FirstLiteralToken */ <= kind && kind <= 11 /* LastLiteralToken */; - } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 /* StringLiteral */ || kind === 11 /* NoSubstitutionTemplateLiteral */; - } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isTemplateLiteralKind(kind) { - return 11 /* FirstTemplateToken */ <= kind && kind <= 14 /* LastTemplateToken */; - } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isBindingPattern(node) { - return !!node && (node.kind === 165 /* ArrayBindingPattern */ || node.kind === 164 /* ObjectBindingPattern */); - } - ts.isBindingPattern = isBindingPattern; - function isNodeDescendentOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; - } - return false; - } - ts.isNodeDescendentOf = isNodeDescendentOf; - function isInAmbientContext(node) { - while (node) { - if (node.flags & (4 /* Ambient */ | 4096 /* DeclarationFile */)) { - return true; - } - node = node.parent; - } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclaration(node) { - switch (node.kind) { - case 177 /* ArrowFunction */: - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 145 /* Constructor */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 233 /* ExportSpecifier */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 146 /* GetAccessor */: - case 226 /* ImportClause */: - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 218 /* InterfaceDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 221 /* ModuleDeclaration */: - case 227 /* NamespaceImport */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 147 /* SetAccessor */: - case 249 /* ShorthandPropertyAssignment */: - case 219 /* TypeAliasDeclaration */: - case 138 /* TypeParameter */: - case 214 /* VariableDeclaration */: - return true; - } - return false; - } - ts.isDeclaration = isDeclaration; - function isStatement(n) { - switch (n.kind) { - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - case 213 /* DebuggerStatement */: - case 200 /* DoStatement */: - case 198 /* ExpressionStatement */: - case 197 /* EmptyStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 199 /* IfStatement */: - case 210 /* LabeledStatement */: - case 207 /* ReturnStatement */: - case 209 /* SwitchStatement */: - case 211 /* ThrowStatement */: - case 212 /* TryStatement */: - case 196 /* VariableStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 230 /* ExportAssignment */: - return true; - default: - return false; - } - } - ts.isStatement = isStatement; - function isClassElement(n) { - switch (n.kind) { - case 145 /* Constructor */: - case 142 /* PropertyDeclaration */: - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - return true; - default: - return false; - } - } - ts.isClassElement = isClassElement; - // True if the given identifier, string literal, or number literal is the name of a declaration node - function isDeclarationName(name) { - if (name.kind !== 69 /* Identifier */ && name.kind !== 9 /* StringLiteral */ && name.kind !== 8 /* NumericLiteral */) { - return false; - } - var parent = name.parent; - if (parent.kind === 229 /* ImportSpecifier */ || parent.kind === 233 /* ExportSpecifier */) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - // Return true if the given identifier is classified as an IdentifierName - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 250 /* EnumMember */: - case 248 /* PropertyAssignment */: - case 169 /* PropertyAccessExpression */: - // Name in member declaration or property name in property access - return parent.name === node; - case 136 /* QualifiedName */: - // Name on right hand side of dot in a type query - if (parent.right === node) { - while (parent.kind === 136 /* QualifiedName */) { - parent = parent.parent; - } - return parent.kind === 155 /* TypeQuery */; - } - return false; - case 166 /* BindingElement */: - case 229 /* ImportSpecifier */: - // Property name in binding element or import specifier - return parent.propertyName === node; - case 233 /* ExportSpecifier */: - // Any name in an export specifier - return true; - } - return false; - } - ts.isIdentifierName = isIdentifierName; - // An alias symbol is created by one of the following declarations: - // import = ... - // import from ... - // import * as from ... - // import { x as } from ... - // export { x as } from ... - // export = ... - // export default ... - function isAliasSymbolDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ || - node.kind === 226 /* ImportClause */ && !!node.name || - node.kind === 227 /* NamespaceImport */ || - node.kind === 229 /* ImportSpecifier */ || - node.kind === 233 /* ExportSpecifier */ || - node.kind === 230 /* ExportAssignment */ && node.expression.kind === 69 /* Identifier */; - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; - } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 106 /* ImplementsKeyword */); - return heritageClause ? heritageClause.types : undefined; - } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); - return heritageClause ? heritageClause.types : undefined; - } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } - } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); - } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; - } - node = node.parent; - } - return undefined; - } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; - } - else { - var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - if (matchResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: matchResult[3] - }, - isNoDefaultLib: false - }; - } - else { - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; - } - } - } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 70 /* FirstKeyword */ <= token && token <= 135 /* LastKeyword */; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 /* FirstTriviaToken */ <= token && token <= 7 /* LastTriviaToken */; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && (node.flags & 256 /* Async */) !== 0 && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - /** - * A declaration has a dynamic name if both of the following are true: - * 1. The declaration has a computed property name - * 2. The computed name is *not* expressed as Symbol., where name - * is a property of the Symbol constructor that denotes a built in - * Symbol. - */ - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 137 /* ComputedPropertyName */ && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - /** - * Checks if the expression is of the form: - * Symbol.name - * where Symbol is literally the word "Symbol", and name is any identifierName - */ - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); - } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 69 /* Identifier */ || name.kind === 9 /* StringLiteral */ || name.kind === 8 /* NumericLiteral */) { - return name.text; - } - if (name.kind === 137 /* ComputedPropertyName */) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); - } - } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - /** - * Includes the word "Symbol" with unicode escapes - */ - function isESSymbolIdentifier(node) { - return node.kind === 69 /* Identifier */ && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isModifierKind(token) { - switch (token) { - case 115 /* AbstractKeyword */: - case 118 /* AsyncKeyword */: - case 74 /* ConstKeyword */: - case 122 /* DeclareKeyword */: - case 77 /* DefaultKeyword */: - case 82 /* ExportKeyword */: - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - return true; - } - return false; - } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 139 /* Parameter */; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 166 /* BindingElement */) { - node = node.parent.parent; - } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(n) { - return isFunctionLike(n) || n.kind === 221 /* ModuleDeclaration */ || n.kind === 251 /* SourceFile */; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - /** - * Creates a shallow, memberwise clone of a node. The "kind", "pos", "end", "flags", and "parent" - * properties are excluded by default, and can be provided via the "location", "flags", and - * "parent" parameters. - * @param node The node to clone. - * @param location An optional TextRange to use to supply the new position. - * @param flags The NodeFlags to use for the cloned node. - * @param parent The parent for the new node. - */ - function cloneNode(node, location, flags, parent) { - // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of - // the original node. We also need to exclude specific properties and only include own- - // properties (to skip members already defined on the shared prototype). - var clone = location !== undefined - ? ts.createNode(node.kind, location.pos, location.end) - : createSynthesizedNode(node.kind); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - if (flags !== undefined) { - clone.flags = flags; - } - if (parent !== undefined) { - clone.parent = parent; - } - return clone; - } - ts.cloneNode = cloneNode; - /** - * Creates a deep clone of an EntityName, with new parent pointers. - * @param node The EntityName to clone. - * @param parent The parent for the cloned node. - */ - function cloneEntityName(node, parent) { - var clone = cloneNode(node, node, node.flags, parent); - if (isQualifiedName(clone)) { - var left = clone.left, right = clone.right; - clone.left = cloneEntityName(left, clone); - clone.right = cloneNode(right, right, right.flags, parent); - } - return clone; - } - ts.cloneEntityName = cloneEntityName; - function isQualifiedName(node) { - return node.kind === 136 /* QualifiedName */; - } - ts.isQualifiedName = isQualifiedName; - function nodeIsSynthesized(node) { - return node.pos === -1; - } - ts.nodeIsSynthesized = nodeIsSynthesized; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = ts.createNode(kind, /* pos */ -1, /* end */ -1); - node.startsOnNewLine = startsOnNewLine; - return node; - } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray() { - var array = []; - array.pos = -1; - array.end = -1; - return array; - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = {}; - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; - } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; - } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; - } - } - else { - diagnostics = nonFileDiagnostics; - } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; - } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); - } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); - } - } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); - } - } - } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator, - // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in - // the language service. These characters should be escaped when printing, and if any characters are added, - // the map below must be updated. Note that this regexp *does not* include the 'delete' character. - // There is no reason for this other than that JSON.stringify does not handle it either. - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = { - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" // nextLine - }; - /** - * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2), - * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine) - * Note that this doesn't actually wrap the input in double quotes. - */ - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - // Replace non-ASCII characters with '\uNNNN' escapes if any exist. - // Otherwise just return the original string. - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; - } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; - } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; - } - } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); - } - } - } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; - } - } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - /** - * Resolves a local path to a path which is absolute to the base of the emit - */ - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getEmitScriptTarget(compilerOptions) { - return compilerOptions.target || 0 /* ES3 */; - } - ts.getEmitScriptTarget = getEmitScriptTarget; - function getEmitModuleKind(compilerOptions) { - return typeof compilerOptions.module === "number" ? - compilerOptions.module : - getEmitScriptTarget(compilerOptions) === 2 /* ES6 */ ? 5 /* ES6 */ : 1 /* CommonJS */; - } - ts.getEmitModuleKind = getEmitModuleKind; - function forEachExpectedEmitFile(host, action, targetSourceFile) { - var options = host.getCompilerOptions(); - // Emit on each source file - if (options.outFile || options.out) { - onBundledEmit(host); - } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - if (!isDeclarationFile(sourceFile)) { - onSingleFileEmit(host, sourceFile); - } - } - } - function onSingleFileEmit(host, sourceFile) { - // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also. - // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve. - // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve - var extension = ".js"; - if (options.jsx === 1 /* Preserve */) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1 /* JSX */) { - // TypeScript source file preserving JSX syntax - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined - }; - action(emitFileNames, [sourceFile], /*isBundledEmit*/ false); - } - function onBundledEmit(host) { - // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - (!isExternalModule(sourceFile) || - (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); // module that can emit - note falsy value from getEmitModuleKind means the module kind that shouldn't be emitted - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) - }; - action(emitFileNames, bundledSources, /*isBundledEmit*/ true); - } - } - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function getDeclarationEmitFilePath(jsFilePath, options) { - return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); - return ts.combinePaths(newDirPath, sourceFilePath); - } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }); - } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; - } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; - } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 145 /* Constructor */ && nodeIsPresent(member.body)) { - return member; - } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 146 /* GetAccessor */) { - getAccessor = accessor; - } - else if (accessor.kind === 147 /* SetAccessor */) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } - } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) - && (member.flags & 64 /* Static */) === (accessor.flags & 64 /* Static */)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 146 /* GetAccessor */ && !getAccessor) { - getAccessor = member; - } - if (member.kind === 147 /* SetAccessor */ && !setAccessor) { - setAccessor = member; - } - } - } - }); - } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; - } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - // If the leading comments start on different line than the start of node, write new line - if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); - } - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { - var emitLeadingSpace = !trailingSeparator; - ts.forEach(comments, function (comment) { - if (emitLeadingSpace) { - writer.write(" "); - emitLeadingSpace = false; - } - writeComment(text, lineMap, writer, comment, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); - } - else if (trailingSeparator) { - writer.write(" "); - } - else { - // Emit leading space to separate comment during next comment emit - emitLeadingSpace = true; - } - }); - } - ts.emitComments = emitComments; - /** - * Detached comment is a comment at the top of file or function body that is separated from - * the next statement by space. - */ - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - // removeComments is true, only reserve pinned comment at the top of file - // For example: - // /*! Pinned Comment */ - // - // var x = 10; - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); - } - } - else { - // removeComments is false, just get detached as normal and bypass the process to filter comment - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - // There was a blank line between the last comment and this comment. This - // comment is not part of the copyright comments. Return what we have so - // far. - break; - } - } - detachedComments.push(comment); - lastComment = comment; - } - if (detachedComments.length) { - // All comments look like they could have been part of the copyright header. Make - // sure there is at least one blank line between it and the node. If not, it's not - // a copyright header. - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - // Valid detachedComments - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, /*trailingSeparator*/ true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } - } - } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 2) === 33 /* exclamation */; - } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, comment, newLine) { - if (text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== comment.pos) { - // If we are not emitting first line, we need to write the spaces to adjust the alignment - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); - } - // These are number of spaces writer is going to write at current indent - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - // Number of spaces we want to be writing - // eg: Assume writer indent - // module m { - // /* starts at character 9 this is line 1 - // * starts at character pos 4 line --1 = 8 - 8 + 3 - // More left indented comment */ --2 = 8 - 8 + 2 - // class c { } - // } - // module m { - // /* this is line 1 -- Assume current writer indent 8 - // * line --3 = 8 - 4 + 5 - // More right indented comment */ --4 = 8 - 4 + 11 - // class c { } - // } - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces - writer.rawWrite(indentSizeSpaceString); - // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces) - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - // No spaces to emit write empty string - writer.rawWrite(""); - } - } - // Write the comment line text - writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); - pos = nextLineStart; - } - } - else { - // Single line comment of style //.... - writer.write(text.substring(comment.pos, comment.end)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { - var end = Math.min(comment.end, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - // trimmed forward and ending spaces text - writer.write(currentLineText); - if (end !== comment.end) { - writer.writeLine(); - } - } - else { - // Empty string - make sure we write empty line - writer.writeLiteral(newLine); - } - } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9 /* tab */) { - // Tabs = TabSize = indent size and go to next tabStop - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); - } - else { - // Single space - currentLineIndent++; - } - } - return currentLineIndent; - } - function modifierToFlag(token) { - switch (token) { - case 113 /* StaticKeyword */: return 64 /* Static */; - case 112 /* PublicKeyword */: return 8 /* Public */; - case 111 /* ProtectedKeyword */: return 32 /* Protected */; - case 110 /* PrivateKeyword */: return 16 /* Private */; - case 115 /* AbstractKeyword */: return 128 /* Abstract */; - case 82 /* ExportKeyword */: return 2 /* Export */; - case 122 /* DeclareKeyword */: return 4 /* Ambient */; - case 74 /* ConstKeyword */: return 16384 /* Const */; - case 77 /* DefaultKeyword */: return 512 /* Default */; - case 118 /* AsyncKeyword */: return 256 /* Async */; - } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLeftHandSideExpression(expr) { - if (expr) { - switch (expr.kind) { - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 172 /* NewExpression */: - case 171 /* CallExpression */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 173 /* TaggedTemplateExpression */: - case 167 /* ArrayLiteralExpression */: - case 175 /* ParenthesizedExpression */: - case 168 /* ObjectLiteralExpression */: - case 189 /* ClassExpression */: - case 176 /* FunctionExpression */: - case 69 /* Identifier */: - case 10 /* RegularExpressionLiteral */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 186 /* TemplateExpression */: - case 84 /* FalseKeyword */: - case 93 /* NullKeyword */: - case 97 /* ThisKeyword */: - case 99 /* TrueKeyword */: - case 95 /* SuperKeyword */: - return true; - } - } - return false; - } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isAssignmentOperator(token) { - return token >= 56 /* FirstAssignment */ && token <= 68 /* LastAssignment */; - } - ts.isAssignmentOperator = isAssignmentOperator; - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return node.kind === 191 /* ExpressionWithTypeArguments */ && - node.parent.token === 83 /* ExtendsKeyword */ && - isClassLike(node.parent.parent); - } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - // Returns false if this heritage clause element's expression contains something unsupported - // (i.e. not a name or dotted name). - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 69 /* Identifier */) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - else { - return false; - } - } - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) || - (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node); - } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 168 /* ObjectLiteralExpression */) { - return expression.properties.length === 0; - } - if (kind === 167 /* ArrayLiteralExpression */) { - return expression.elements.length === 0; - } - return false; - } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512 /* Default */) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function hasJavaScriptFileExtension(fileName) { - return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); - } - ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; - /** - * Replace each instance of non-ascii characters by one, two, three, or four escape sequences - * representing the UTF-8 encoding of the character, and return the expanded char code list. - */ - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - // handel utf8 - if (charCode < 0x80) { - output.push(charCode); - } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else { - ts.Debug.assert(false, "Unexpected code point"); - } - } - return output; - } - /** - * Serialize an object graph into a JSON string. This is intended only for use on an acyclic graph - * as the fallback implementation does not check for circular references by default. - */ - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - /** - * Serialize an object graph into a JSON string. - */ - function stringifyFallback(value) { - // JSON.stringify returns `undefined` here, instead of the string "undefined". - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; - } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; - } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); - } - function stringifyObject(value) { - return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; - } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); - } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - /** - * Converts a string to a base-64 encoded ASCII string. - */ - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - // Convert every 6-bits in the input 3 character points - // into a base64 digit - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - // We are out of characters in the input, set the extra - // digits to 64 (padding character). - if (i + 1 >= length) { - byte3 = byte4 = 64; - } - else if (i + 2 >= length) { - byte4 = 64; - } - // Write to the ouput - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; - } - return result; - } - ts.convertToBase64 = convertToBase64; - function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { - return !ts.isRootedDiskPath(absoluteOrRelativePath) - ? absoluteOrRelativePath - : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /* isAbsolutePathAnUrl */ false); - } - ts.convertToRelativePath = convertToRelativePath; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0 /* CarriageReturnLineFeed */) { - return carriageReturnLineFeed; - } - else if (options.newLine === 1 /* LineFeed */) { - return lineFeed; - } - else if (ts.sys) { - return ts.sys.newLine; - } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDefaultLibFileName(options) { - return options.target === 2 /* ES6 */ ? "lib.es6.d.ts" : "lib.d.ts"; - } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - // Returns true if 'span' contains 'other'. - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); - } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; - } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; - } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; - } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; - } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); - } - return undefined; - } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); - } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); - } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; - } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); - } - return { span: span, newLength: newLength }; - } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - /** - * Called to merge all the changes that occurred across several versions of a script snapshot - * into a single change. i.e. if a user keeps making successive edits to a script we will - * have a text change from V1 to V2, V2 to V3, ..., Vn. - * - * This function will then merge those changes into a single change range valid between V1 and - * Vn. - */ - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; - } - if (changes.length === 1) { - return changes[0]; - } - // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd } - // as it makes things much easier to reason about. - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - // Consider the following case: - // i.e. two edits. The first represents the text change range { { 10, 50 }, 30 }. i.e. The span starting - // at 10, with length 50 is reduced to length 30. The second represents the text change range { { 30, 30 }, 40 }. - // i.e. the span starting at 30 with length 30 is increased to length 40. - // - // 0 10 20 30 40 50 60 70 80 90 100 - // ------------------------------------------------------------------------------------------------------- - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ------------------------------------------------------------------------------------------------------- - // | \ - // | \ - // T2 | \ - // | \ - // | \ - // ------------------------------------------------------------------------------------------------------- - // - // Merging these turns out to not be too difficult. First, determining the new start of the change is trivial - // it's just the min of the old and new starts. i.e.: - // - // 0 10 20 30 40 50 60 70 80 90 100 - // ------------------------------------------------------------*------------------------------------------ - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ----------------------------------------$-------------------$------------------------------------------ - // . | \ - // . | \ - // T2 . | \ - // . | \ - // . | \ - // ----------------------------------------------------------------------*-------------------------------- - // - // (Note the dots represent the newly inferrred start. - // Determining the new and old end is also pretty simple. Basically it boils down to paying attention to the - // absolute positions at the asterixes, and the relative change between the dollar signs. Basically, we see - // which if the two $'s precedes the other, and we move that one forward until they line up. in this case that - // means: - // - // 0 10 20 30 40 50 60 70 80 90 100 - // --------------------------------------------------------------------------------*---------------------- - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ------------------------------------------------------------$------------------------------------------ - // . | \ - // . | \ - // T2 . | \ - // . | \ - // . | \ - // ----------------------------------------------------------------------*-------------------------------- - // - // In other words (in this case), we're recognizing that the second edit happened after where the first edit - // ended with a delta of 20 characters (60 - 40). Thus, if we go back in time to where the first edit started - // that's the same as if we started at char 80 instead of 60. - // - // As it so happens, the same logic applies if the second edit precedes the first edit. In that case rahter - // than pusing the first edit forward to match the second, we'll push the second edit forward to match the - // first. - // - // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange - // semantics: { { start: 10, length: 70 }, newLength: 60 } - // - // The math then works out as follows. - // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the - // final result like so: - // - // { - // oldStart3: Min(oldStart1, oldStart2), - // oldEnd3 : Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)), - // newEnd3 : Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)) - // } - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); - } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength:*/ newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 138 /* TypeParameter */) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218 /* InterfaceDeclaration */) { - return current; - } - } - } - } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return node.flags & 56 /* AccessibilityModifier */ && node.parent.kind === 145 /* Constructor */ && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; -})(ts || (ts = {})); -/// -/// -var ts; -(function (ts) { - /* @internal */ ts.parseTime = 0; - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 251 /* SourceFile */) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); - } - } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); - } - } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); - } - } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } - } - } - // Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes - // stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise, - // embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns - // a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned. - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; - } - // The visitXXX functions could be written as local functions that close over the cbNode and cbNodeArray - // callback parameters, but that causes a closure allocation for each invocation with noticeable effects - // on performance. - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 136 /* QualifiedName */: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 138 /* TypeParameter */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 249 /* ShorthandPropertyAssignment */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 152 /* TypeReference */: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 151 /* TypePredicate */: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 155 /* TypeQuery */: - return visitNode(cbNode, node.exprName); - case 156 /* TypeLiteral */: - return visitNodes(cbNodes, node.members); - case 157 /* ArrayType */: - return visitNode(cbNode, node.elementType); - case 158 /* TupleType */: - return visitNodes(cbNodes, node.elementTypes); - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return visitNodes(cbNodes, node.types); - case 161 /* ParenthesizedType */: - return visitNode(cbNode, node.type); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - return visitNodes(cbNodes, node.elements); - case 167 /* ArrayLiteralExpression */: - return visitNodes(cbNodes, node.elements); - case 168 /* ObjectLiteralExpression */: - return visitNodes(cbNodes, node.properties); - case 169 /* PropertyAccessExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.dotToken) || - visitNode(cbNode, node.name); - case 170 /* ElementAccessExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 173 /* TaggedTemplateExpression */: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 174 /* TypeAssertionExpression */: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 175 /* ParenthesizedExpression */: - return visitNode(cbNode, node.expression); - case 178 /* DeleteExpression */: - return visitNode(cbNode, node.expression); - case 179 /* TypeOfExpression */: - return visitNode(cbNode, node.expression); - case 180 /* VoidExpression */: - return visitNode(cbNode, node.expression); - case 182 /* PrefixUnaryExpression */: - return visitNode(cbNode, node.operand); - case 187 /* YieldExpression */: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 181 /* AwaitExpression */: - return visitNode(cbNode, node.expression); - case 183 /* PostfixUnaryExpression */: - return visitNode(cbNode, node.operand); - case 184 /* BinaryExpression */: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 192 /* AsExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 185 /* ConditionalExpression */: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 188 /* SpreadElementExpression */: - return visitNode(cbNode, node.expression); - case 195 /* Block */: - case 222 /* ModuleBlock */: - return visitNodes(cbNodes, node.statements); - case 251 /* SourceFile */: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 196 /* VariableStatement */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 215 /* VariableDeclarationList */: - return visitNodes(cbNodes, node.declarations); - case 198 /* ExpressionStatement */: - return visitNode(cbNode, node.expression); - case 199 /* IfStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 200 /* DoStatement */: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 201 /* WhileStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 202 /* ForStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 203 /* ForInStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 204 /* ForOfStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return visitNode(cbNode, node.label); - case 207 /* ReturnStatement */: - return visitNode(cbNode, node.expression); - case 208 /* WithStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209 /* SwitchStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 223 /* CaseBlock */: - return visitNodes(cbNodes, node.clauses); - case 244 /* CaseClause */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 245 /* DefaultClause */: - return visitNodes(cbNodes, node.statements); - case 210 /* LabeledStatement */: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 211 /* ThrowStatement */: - return visitNode(cbNode, node.expression); - case 212 /* TryStatement */: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 247 /* CatchClause */: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 140 /* Decorator */: - return visitNode(cbNode, node.expression); - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 218 /* InterfaceDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 219 /* TypeAliasDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 220 /* EnumDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 250 /* EnumMember */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 221 /* ModuleDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 224 /* ImportEqualsDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 225 /* ImportDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 226 /* ImportClause */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 227 /* NamespaceImport */: - return visitNode(cbNode, node.name); - case 228 /* NamedImports */: - case 232 /* NamedExports */: - return visitNodes(cbNodes, node.elements); - case 231 /* ExportDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 230 /* ExportAssignment */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 186 /* TemplateExpression */: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 193 /* TemplateSpan */: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 137 /* ComputedPropertyName */: - return visitNode(cbNode, node.expression); - case 246 /* HeritageClause */: - return visitNodes(cbNodes, node.types); - case 191 /* ExpressionWithTypeArguments */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 235 /* ExternalModuleReference */: - return visitNode(cbNode, node.expression); - case 234 /* MissingDeclaration */: - return visitNodes(cbNodes, node.decorators); - case 236 /* JsxElement */: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 237 /* JsxSelfClosingElement */: - case 238 /* JsxOpeningElement */: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 241 /* JsxAttribute */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 242 /* JsxSpreadAttribute */: - return visitNode(cbNode, node.expression); - case 243 /* JsxExpression */: - return visitNode(cbNode, node.expression); - case 240 /* JsxClosingElement */: - return visitNode(cbNode, node.tagName); - case 252 /* JSDocTypeExpression */: - return visitNode(cbNode, node.type); - case 256 /* JSDocUnionType */: - return visitNodes(cbNodes, node.types); - case 257 /* JSDocTupleType */: - return visitNodes(cbNodes, node.types); - case 255 /* JSDocArrayType */: - return visitNode(cbNode, node.elementType); - case 259 /* JSDocNonNullableType */: - return visitNode(cbNode, node.type); - case 258 /* JSDocNullableType */: - return visitNode(cbNode, node.type); - case 260 /* JSDocRecordType */: - return visitNodes(cbNodes, node.members); - case 262 /* JSDocTypeReference */: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 263 /* JSDocOptionalType */: - return visitNode(cbNode, node.type); - case 264 /* JSDocFunctionType */: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 265 /* JSDocVariadicType */: - return visitNode(cbNode, node.type); - case 266 /* JSDocConstructorType */: - return visitNode(cbNode, node.type); - case 267 /* JSDocThisType */: - return visitNode(cbNode, node.type); - case 261 /* JSDocRecordMember */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 268 /* JSDocComment */: - return visitNodes(cbNodes, node.tags); - case 270 /* JSDocParameterTag */: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 271 /* JSDocReturnTag */: - return visitNode(cbNode, node.typeExpression); - case 272 /* JSDocTypeTag */: - return visitNode(cbNode, node.typeExpression); - case 273 /* JSDocTemplateTag */: - return visitNodes(cbNodes, node.typeParameters); - } - } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { - if (setParentNodes === void 0) { setParentNodes = false; } - var start = new Date().getTime(); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes); - ts.parseTime += new Date().getTime() - start; - return result; - } - ts.createSourceFile = createSourceFile; - // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter - // indicates what changed between the 'text' that this SourceFile has and the 'newText'. - // The SourceFile will be created with the compiler attempting to reuse as many nodes from - // this file as possible. - // - // Note: this function mutates nodes from this SourceFile. That means any existing nodes - // from this SourceFile that are being held onto may change as a result (including - // becoming detached from any SourceFile). It is recommended that this SourceFile not - // be used once 'update' is called on it. - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - } - ts.updateSourceFile = updateSourceFile; - /* @internal */ - function parseIsolatedJSDocComment(content, start, length) { - return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - /* @internal */ - // Exposed only for testing. - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); - } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - // Implement the parser as a singleton module. We do this for perf reasons because creating - // parser instances can actually be expensive enough to impact us on projects with many source - // files. - var Parser; - (function (Parser) { - // Share a single scanner across all calls to parse a source file. This helps speed things - // up by avoiding the cost of creating/compiling scanners over and over again. - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); - var disallowInAndDecoratorContext = 1 /* DisallowIn */ | 4 /* Decorator */; - // capture constructors in 'initializeState' to avoid null checks - var NodeConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var token; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - // Flags that dictate what parsing context we're in. For example: - // Whether or not we are in strict parsing mode. All that changes in strict parsing mode is - // that some tokens that would be considered identifiers may be considered keywords. - // - // When adding more parser context flags, consider which is the more common case that the - // flag will be in. This should be the 'false' state for that flag. The reason for this is - // that we don't store data in our nodes unless the value is in the *non-default* state. So, - // for example, more often than code 'allows-in' (or doesn't 'disallow-in'). We opt for - // 'disallow-in' set to 'false'. Otherwise, if we had 'allowsIn' set to 'true', then almost - // all nodes would need extra state on them to store this info. - // - // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6 - // grammar specification. - // - // An important thing about these context concepts. By default they are effectively inherited - // while parsing through every grammar production. i.e. if you don't change them, then when - // you parse a sub-production, it will have the same context values as the parent production. - // This is great most of the time. After all, consider all the 'expression' grammar productions - // and how nearly all of them pass along the 'in' and 'yield' context values: - // - // EqualityExpression[In, Yield] : - // RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield] - // - // Where you have to be careful is then understanding what the points are in the grammar - // where the values are *not* passed along. For example: - // - // SingleNameBinding[Yield,GeneratorParameter] - // [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt - // [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt - // - // Here this is saying that if the GeneratorParameter context flag is set, that we should - // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier - // and we should explicitly unset the 'yield' context flag before calling into the Initializer. - // production. Conversely, if the GeneratorParameter context flag is not set, then we - // should leave the 'yield' context flag alone. - // - // Getting this all correct is tricky and requires careful reading of the grammar to - // understand when these values should be changed versus when they should be inherited. - // - // Note: it should not be necessary to save/restore these flags during speculative/lookahead - // parsing. These context flags are naturally stored and restored through normal recursive - // descent parsing and unwinding. - var contextFlags; - // Whether or not we've had a parse error since creating the last AST node. If we have - // encountered an error, it will be stored on the next AST node we create. Parse errors - // can be broken down into three categories: - // - // 1) An error that occurred during scanning. For example, an unterminated literal, or a - // character that was completely not understood. - // - // 2) A token was expected, but was not present. This type of error is commonly produced - // by the 'parseExpected' function. - // - // 3) A token was present that no parsing function was able to consume. This type of error - // only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser - // decides to skip the token. - // - // In all of these cases, we want to mark the next node as having had an error before it. - // With this mark, we can know in incremental settings if this node can be reused, or if - // we have to reparse it. If we don't keep this information around, we may just reuse the - // node. in that event we would then not produce the same errors as we did before, causing - // significant confusion problems. - // - // Note: it is necessary that this value be saved/restored during speculative/lookahead - // parsing. During lookahead parsing, we will often create a node. That node will have - // this value attached, and then this value will be set back to 'false'. If we decide to - // rewind, we must get back to the same value we had prior to the lookahead. - // - // Note: any errors at the end of the file that do not precede a regular node, should get - // attached to the EOF token. - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { - var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; - initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); - clearState(); - return result; - } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(fileName) { - // .tsx and .jsx files are treated as jsx language variant. - return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 /* JSX */ : 0 /* Standard */; - } - function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = {}; - identifierCount = 0; - nodeCount = 0; - contextFlags = isJavaScriptFile ? 32 /* JavaScriptFile */ : 0 /* None */; - parseErrorBeforeNextFinishedNode = false; - // Initialize and prime the scanner before parsing the source elements. - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(fileName)); - } - function clearState() { - // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily. - scanner.setText(""); - scanner.setOnError(undefined); - // Clear any data. We don't want to accidently hold onto it for too long. - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { - sourceFile = createSourceFile(fileName, languageVersion); - if (contextFlags & 32 /* JavaScriptFile */) { - sourceFile.parserContextFlags = 32 /* JavaScriptFile */; - } - // Prime the scanner. - token = nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0 /* SourceElements */, parseStatement); - ts.Debug.assert(token === 1 /* EndOfFileToken */); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - if (contextFlags & 32 /* JavaScriptFile */) { - var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); - if (comments) { - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (jsDocComment) { - node.jsDocComment = jsDocComment; - } - } - } - } - return node; - } - function fixupParentReferences(sourceFile) { - // normally parent references are set during binding. However, for clients that only need - // a syntax tree, and no semantic features, then the binding process is an unnecessary - // overhead. This functions allows us to set all the parents, without all the expense of - // binding. - var parent = sourceFile; - forEachChild(sourceFile, visitNode); - return; - function visitNode(n) { - // walk down setting parents that differ from the parent we think it should be. This - // allows us to quickly bail out of setting parents for subtrees during incremental - // parsing - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - parent = saveParent; - } - } - } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion) { - // code from createNode is inlined here so createNode won't have to deal with special case of creating source files - // this is quite rare comparing to other nodes and createNode should be as fast as possible - var sourceFile = new SourceFileConstructor(251 /* SourceFile */, /*pos*/ 0, /* end */ sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 /* DeclarationFile */ : 0; - sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); - return sourceFile; - } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } - } - function setDisallowInContext(val) { - setContextFlag(val, 1 /* DisallowIn */); - } - function setYieldContext(val) { - setContextFlag(val, 2 /* Yield */); - } - function setDecoratorContext(val) { - setContextFlag(val, 4 /* Decorator */); - } - function setAwaitContext(val) { - setContextFlag(val, 8 /* Await */); - } - function doOutsideOfContext(context, func) { - // contextFlagsToClear will contain only the context flags that are - // currently set that we need to temporarily clear - // We don't just blindly reset to the previous flags to ensure - // that we do not mutate cached flags for the incremental - // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and - // HasAggregatedChildData). - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - // clear the requested context flags - setContextFlag(/*val*/ false, contextFlagsToClear); - var result = func(); - // restore the context flags we just cleared - setContextFlag(/*val*/ true, contextFlagsToClear); - return result; - } - // no need to do anything special as we are not in any of the requested contexts - return func(); - } - function doInsideOfContext(context, func) { - // contextFlagsToSet will contain only the context flags that - // are not currently set that we need to temporarily enable. - // We don't just blindly reset to the previous flags to ensure - // that we do not mutate cached flags for the incremental - // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and - // HasAggregatedChildData). - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - // set the requested context flags - setContextFlag(/*val*/ true, contextFlagsToSet); - var result = func(); - // reset the context flags we just set - setContextFlag(/*val*/ false, contextFlagsToSet); - return result; - } - // no need to do anything special as we are already in all of the requested contexts - return func(); - } - function allowInAnd(func) { - return doOutsideOfContext(1 /* DisallowIn */, func); - } - function disallowInAnd(func) { - return doInsideOfContext(1 /* DisallowIn */, func); - } - function doInYieldContext(func) { - return doInsideOfContext(2 /* Yield */, func); - } - function doInDecoratorContext(func) { - return doInsideOfContext(4 /* Decorator */, func); - } - function doInAwaitContext(func) { - return doInsideOfContext(8 /* Await */, func); - } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(8 /* Await */, func); - } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(2 /* Yield */ | 8 /* Await */, func); - } - function inContext(flags) { - return (contextFlags & flags) !== 0; - } - function inYieldContext() { - return inContext(2 /* Yield */); - } - function inDisallowInContext() { - return inContext(1 /* DisallowIn */); - } - function inDecoratorContext() { - return inContext(4 /* Decorator */); - } - function inAwaitContext() { - return inContext(8 /* Await */); - } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); - } - function parseErrorAtPosition(start, length, message, arg0) { - // Don't report another error if it would just be at the same position as the last error. - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - // Mark that we've encountered an error. We'll set an appropriate bit on the next - // node we finish so that it can't be reused incrementally. - parseErrorBeforeNextFinishedNode = true; - } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); - } - function getNodePos() { - return scanner.getStartPos(); - } - function getNodeEnd() { - return scanner.getStartPos(); - } - function nextToken() { - return token = scanner.scan(); - } - function reScanGreaterToken() { - return token = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return token = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return token = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return token = scanner.scanJsxIdentifier(); - } - function scanJsxText() { - return token = scanner.scanJsxToken(); - } - function speculationHelper(callback, isLookAhead) { - // Keep track of the state we'll need to rollback to if lookahead fails (or if the - // caller asked us to always reset our state). - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - // Note: it is not actually necessary to save/restore the context flags here. That's - // because the saving/restoring of these flags happens naturally through the recursive - // descent nature of our parser. However, we still store this here just so we can - // assert that that invariant holds. - var saveContextFlags = contextFlags; - // If we're only looking ahead, then tell the scanner to only lookahead as well. - // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the - // same. - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - // If our callback returned something 'falsy' or we're just looking ahead, - // then unconditionally restore us to where we were. - if (!result || isLookAhead) { - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; - } - /** Invokes the provided callback then unconditionally restores the parser to the state it - * was in immediately prior to invoking the callback. The result of invoking the callback - * is returned from this function. - */ - function lookAhead(callback) { - return speculationHelper(callback, /*isLookAhead*/ true); - } - /** Invokes the provided callback. If the callback returns something falsy, then it restores - * the parser to the state it was in immediately prior to invoking the callback. If the - * callback returns something truthy, then the parser state is not rolled back. The result - * of invoking the callback is returned from this function. - */ - function tryParse(callback) { - return speculationHelper(callback, /*isLookAhead*/ false); - } - // Ignore strict mode flag because we will report an error in type checker instead. - function isIdentifier() { - if (token === 69 /* Identifier */) { - return true; - } - // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is - // considered a keyword and is not an identifier. - if (token === 114 /* YieldKeyword */ && inYieldContext()) { - return false; - } - // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is - // considered a keyword and is not an identifier. - if (token === 119 /* AwaitKeyword */ && inAwaitContext()) { - return false; - } - return token > 105 /* LastReservedWord */; - } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - // Report specific message if provided with one. Otherwise, report generic fallback message. - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; - } - function parseOptional(t) { - if (token === t) { - nextToken(); - return true; - } - return false; - } - function parseOptionalToken(t) { - if (token === t) { - return parseTokenNode(); - } - return undefined; - } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); - } - function parseTokenNode() { - var node = createNode(token); - nextToken(); - return finishNode(node); - } - function canParseSemicolon() { - // If there's a real semicolon, then we can always parse it out. - if (token === 23 /* SemicolonToken */) { - return true; - } - // We can parse out an optional semicolon in ASI cases in the following cases. - return token === 16 /* CloseBraceToken */ || token === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak(); - } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token === 23 /* SemicolonToken */) { - // consume the semicolon if it was explicitly provided. - nextToken(); - } - return true; - } - else { - return parseExpected(23 /* SemicolonToken */); - } - } - // note: this function creates only node - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return new NodeConstructor(kind, pos, pos); - } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.parserContextFlags = contextFlags; - } - // Keep track on the node if we encountered an error while parsing it. If we did, then - // we cannot reuse the node incrementally. Once we've marked this node, clear out the - // flag so that we don't mark any subsequent nodes. - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.parserContextFlags |= 16 /* ThisNodeHasError */; - } - return node; - } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); - } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); - } - // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues - // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for - // each identifier in order to reduce memory consumption. - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(69 /* Identifier */); - // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker - if (token !== 69 /* Identifier */) { - node.originalKeywordKind = token; - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics.Identifier_expected); - } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); - } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); - } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token) || - token === 9 /* StringLiteral */ || - token === 8 /* NumericLiteral */; - } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */) { - return parseLiteralNode(/*internName*/ true); - } - if (allowComputedPropertyNames && token === 19 /* OpenBracketToken */) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); - } - function parsePropertyName() { - return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true); - } - function parseSimplePropertyName() { - return parsePropertyNameWorker(/*allowComputedPropertyNames*/ false); - } - function isSimplePropertyName() { - return token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */ || ts.tokenIsIdentifierOrKeyword(token); - } - function parseComputedPropertyName() { - // PropertyName [Yield]: - // LiteralPropertyName - // ComputedPropertyName[?Yield] - var node = createNode(137 /* ComputedPropertyName */); - parseExpected(19 /* OpenBracketToken */); - // We parse any expression (including a comma expression). But the grammar - // says that only an assignment expression is allowed, so the grammar checker - // will error if it sees a comma expression. - node.expression = allowInAnd(parseExpression); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function parseContextualModifier(t) { - return token === t && tryParse(nextTokenCanFollowModifier); - } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); - } - function nextTokenCanFollowModifier() { - if (token === 74 /* ConstKeyword */) { - // 'const' is only a modifier if followed by 'enum'. - return nextToken() === 81 /* EnumKeyword */; - } - if (token === 82 /* ExportKeyword */) { - nextToken(); - if (token === 77 /* DefaultKeyword */) { - return lookAhead(nextTokenIsClassOrFunction); - } - return token !== 37 /* AsteriskToken */ && token !== 15 /* OpenBraceToken */ && canFollowModifier(); - } - if (token === 77 /* DefaultKeyword */) { - return nextTokenIsClassOrFunction(); - } - if (token === 113 /* StaticKeyword */) { - nextToken(); - return canFollowModifier(); - } - return nextTokenIsOnSameLineAndCanFollowModifier(); - } - function parseAnyContextualModifier() { - return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); - } - function canFollowModifier() { - return token === 19 /* OpenBracketToken */ - || token === 15 /* OpenBraceToken */ - || token === 37 /* AsteriskToken */ - || isLiteralPropertyName(); - } - function nextTokenIsClassOrFunction() { - nextToken(); - return token === 73 /* ClassKeyword */ || token === 87 /* FunctionKeyword */; - } - // True if positioned at the start of a list element - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0 /* SourceElements */: - case 1 /* BlockStatements */: - case 3 /* SwitchClauseStatements */: - // If we're in error recovery, then we don't want to treat ';' as an empty statement. - // The problem is that ';' can show up in far too many contexts, and if we see one - // and assume it's a statement, then we may bail out inappropriately from whatever - // we're parsing. For example, if we have a semicolon in the middle of a class, then - // we really don't want to assume the class is over and we're on a statement in the - // outer module. We just want to consume and move on. - return !(token === 23 /* SemicolonToken */ && inErrorRecovery) && isStartOfStatement(); - case 2 /* SwitchClauses */: - return token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; - case 4 /* TypeMembers */: - return isStartOfTypeMember(); - case 5 /* ClassMembers */: - // We allow semicolons as class elements (as specified by ES6) as long as we're - // not in error recovery. If we're in error recovery, we don't want an errant - // semicolon to be treated as a class member (since they're almost always used - // for statements. - return lookAhead(isClassMemberStart) || (token === 23 /* SemicolonToken */ && !inErrorRecovery); - case 6 /* EnumMembers */: - // Include open bracket computed properties. This technically also lets in indexers, - // which would be a candidate for improved error reporting. - return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); - case 12 /* ObjectLiteralMembers */: - return token === 19 /* OpenBracketToken */ || token === 37 /* AsteriskToken */ || isLiteralPropertyName(); - case 9 /* ObjectBindingElements */: - return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); - case 7 /* HeritageClauseElement */: - // If we see { } then only consume it as an expression if it is followed by , or { - // That way we won't consume the body of a class in its heritage clause. - if (token === 15 /* OpenBraceToken */) { - return lookAhead(isValidHeritageClauseObjectLiteral); - } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - else { - // If we're in error recovery we tighten up what we're willing to match. - // That way we don't treat something like "this" as a valid heritage clause - // element during recovery. - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - case 8 /* VariableDeclarations */: - return isIdentifierOrPattern(); - case 10 /* ArrayBindingElements */: - return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isIdentifierOrPattern(); - case 17 /* TypeParameters */: - return isIdentifier(); - case 11 /* ArgumentExpressions */: - case 15 /* ArrayLiteralMembers */: - return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isStartOfExpression(); - case 16 /* Parameters */: - return isStartOfParameter(); - case 18 /* TypeArguments */: - case 19 /* TupleElementTypes */: - return token === 24 /* CommaToken */ || isStartOfType(); - case 20 /* HeritageClauses */: - return isHeritageClause(); - case 21 /* ImportOrExportSpecifiers */: - return ts.tokenIsIdentifierOrKeyword(token); - case 13 /* JsxAttributes */: - return ts.tokenIsIdentifierOrKeyword(token) || token === 15 /* OpenBraceToken */; - case 14 /* JsxChildren */: - return true; - case 22 /* JSDocFunctionParameters */: - case 23 /* JSDocTypeArguments */: - case 25 /* JSDocTupleTypes */: - return JSDocParser.isJSDocType(); - case 24 /* JSDocRecordMembers */: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token === 15 /* OpenBraceToken */); - if (nextToken() === 16 /* CloseBraceToken */) { - // if we see "extends {}" then only treat the {} as what we're extending (and not - // the class body) if we have: - // - // extends {} { - // extends {}, - // extends {} extends - // extends {} implements - var next = nextToken(); - return next === 24 /* CommaToken */ || next === 15 /* OpenBraceToken */ || next === 83 /* ExtendsKeyword */ || next === 106 /* ImplementsKeyword */; - } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token); - } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token === 106 /* ImplementsKeyword */ || - token === 83 /* ExtendsKeyword */) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; - } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); - } - // True if positioned at a list terminator - function isListTerminator(kind) { - if (token === 1 /* EndOfFileToken */) { - // Being at the end of the file ends all lists. - return true; - } - switch (kind) { - case 1 /* BlockStatements */: - case 2 /* SwitchClauses */: - case 4 /* TypeMembers */: - case 5 /* ClassMembers */: - case 6 /* EnumMembers */: - case 12 /* ObjectLiteralMembers */: - case 9 /* ObjectBindingElements */: - case 21 /* ImportOrExportSpecifiers */: - return token === 16 /* CloseBraceToken */; - case 3 /* SwitchClauseStatements */: - return token === 16 /* CloseBraceToken */ || token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; - case 7 /* HeritageClauseElement */: - return token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - case 8 /* VariableDeclarations */: - return isVariableDeclaratorListTerminator(); - case 17 /* TypeParameters */: - // Tokens other than '>' are here for better error recovery - return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */ || token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - case 11 /* ArgumentExpressions */: - // Tokens other than ')' are here for better error recovery - return token === 18 /* CloseParenToken */ || token === 23 /* SemicolonToken */; - case 15 /* ArrayLiteralMembers */: - case 19 /* TupleElementTypes */: - case 10 /* ArrayBindingElements */: - return token === 20 /* CloseBracketToken */; - case 16 /* Parameters */: - // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery - return token === 18 /* CloseParenToken */ || token === 20 /* CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/; - case 18 /* TypeArguments */: - // Tokens other than '>' are here for better error recovery - return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */; - case 20 /* HeritageClauses */: - return token === 15 /* OpenBraceToken */ || token === 16 /* CloseBraceToken */; - case 13 /* JsxAttributes */: - return token === 27 /* GreaterThanToken */ || token === 39 /* SlashToken */; - case 14 /* JsxChildren */: - return token === 25 /* LessThanToken */ && lookAhead(nextTokenIsSlash); - case 22 /* JSDocFunctionParameters */: - return token === 18 /* CloseParenToken */ || token === 54 /* ColonToken */ || token === 16 /* CloseBraceToken */; - case 23 /* JSDocTypeArguments */: - return token === 27 /* GreaterThanToken */ || token === 16 /* CloseBraceToken */; - case 25 /* JSDocTupleTypes */: - return token === 20 /* CloseBracketToken */ || token === 16 /* CloseBraceToken */; - case 24 /* JSDocRecordMembers */: - return token === 16 /* CloseBraceToken */; - } - } - function isVariableDeclaratorListTerminator() { - // If we can consume a semicolon (either explicitly, or with ASI), then consider us done - // with parsing the list of variable declarators. - if (canParseSemicolon()) { - return true; - } - // in the case where we're parsing the variable declarator of a 'for-in' statement, we - // are done if we see an 'in' keyword in front of us. Same with for-of - if (isInOrOfKeyword(token)) { - return true; - } - // ERROR RECOVERY TWEAK: - // For better error recovery, if we see an '=>' then we just stop immediately. We've got an - // arrow function here and it's going to be very unlikely that we'll resynchronize and get - // another variable declaration. - if (token === 34 /* EqualsGreaterThanToken */) { - return true; - } - // Keep trying to parse out variable declarators. - return false; - } - // True if positioned at element or terminator of the current list or any enclosing list - function isInSomeParsingContext() { - for (var kind = 0; kind < 26 /* Count */; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) { - return true; - } - } - } - return false; - } - // Parses a list of elements - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - while (!isListTerminator(kind)) { - if (isListElement(kind, /*inErrorRecovery*/ false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); - } - function currentNode(parsingContext) { - // If there is an outstanding parse error that we've encountered, but not attached to - // some node, then we cannot get a node from the old source tree. This is because we - // want to mark the next node we encounter as being unusable. - // - // Note: This may be too conservative. Perhaps we could reuse the node and set the bit - // on it (or its leftmost child) as having the error. For now though, being conservative - // is nice and likely won't ever affect perf. - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - // if we don't have a cursor, we could never return a node from the old tree. - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - // Can't reuse a missing node. - if (ts.nodeIsMissing(node)) { - return undefined; - } - // Can't reuse a node that intersected the change range. - if (node.intersectsChange) { - return undefined; - } - // Can't reuse a node that contains a parse error. This is necessary so that we - // produce the same set of errors again. - if (ts.containsParseError(node)) { - return undefined; - } - // We can only reuse a node if it was parsed under the same strict mode that we're - // currently in. i.e. if we originally parsed a node in non-strict mode, but then - // the user added 'using strict' at the top of the file, then we can't use that node - // again as the presense of strict mode may cause us to parse the tokens in the file - // differetly. - // - // Note: we *can* reuse tokens when the strict mode changes. That's because tokens - // are unaffected by strict mode. It's just the parser will decide what to do with it - // differently depending on what mode it is in. - // - // This also applies to all our other context flags as well. - var nodeContextFlags = node.parserContextFlags & 31 /* ParserGeneratedFlags */; - if (nodeContextFlags !== contextFlags) { - return undefined; - } - // Ok, we have a node that looks like it could be reused. Now verify that it is valid - // in the currest list parsing context that we're currently at. - if (!canReuseNode(node, parsingContext)) { - return undefined; - } - return node; - } - function consumeNode(node) { - // Move the scanner so it is after the node we just consumed. - scanner.setTextPos(node.end); - nextToken(); - return node; - } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5 /* ClassMembers */: - return isReusableClassMember(node); - case 2 /* SwitchClauses */: - return isReusableSwitchClause(node); - case 0 /* SourceElements */: - case 1 /* BlockStatements */: - case 3 /* SwitchClauseStatements */: - return isReusableStatement(node); - case 6 /* EnumMembers */: - return isReusableEnumMember(node); - case 4 /* TypeMembers */: - return isReusableTypeMember(node); - case 8 /* VariableDeclarations */: - return isReusableVariableDeclaration(node); - case 16 /* Parameters */: - return isReusableParameter(node); - // Any other lists we do not care about reusing nodes in. But feel free to add if - // you can do so safely. Danger areas involve nodes that may involve speculative - // parsing. If speculative parsing is involved with the node, then the range the - // parser reached while looking ahead might be in the edited range (see the example - // in canReuseVariableDeclaratorNode for a good case of this). - case 20 /* HeritageClauses */: - // This would probably be safe to reuse. There is no speculative parsing with - // heritage clauses. - case 17 /* TypeParameters */: - // This would probably be safe to reuse. There is no speculative parsing with - // type parameters. Note that that's because type *parameters* only occur in - // unambiguous *type* contexts. While type *arguments* occur in very ambiguous - // *expression* contexts. - case 19 /* TupleElementTypes */: - // This would probably be safe to reuse. There is no speculative parsing with - // tuple types. - // Technically, type argument list types are probably safe to reuse. While - // speculative parsing is involved with them (since type argument lists are only - // produced from speculative parsing a < as a type argument list), we only have - // the types because speculative parsing succeeded. Thus, the lookahead never - // went past the end of the list and rewound. - case 18 /* TypeArguments */: - // Note: these are almost certainly not safe to ever reuse. Expressions commonly - // need a large amount of lookahead, and we should not reuse them as they may - // have actually intersected the edit. - case 11 /* ArgumentExpressions */: - // This is not safe to reuse for the same reason as the 'AssignmentExpression' - // cases. i.e. a property assignment may end with an expression, and thus might - // have lookahead far beyond it's old node. - case 12 /* ObjectLiteralMembers */: - // This is probably not safe to reuse. There can be speculative parsing with - // type names in a heritage clause. There can be generic names in the type - // name list, and there can be left hand side expressions (which can have type - // arguments.) - case 7 /* HeritageClauseElement */: - // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes - // on any given element. Same for children. - case 13 /* JsxAttributes */: - case 14 /* JsxChildren */: - } - return false; - } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 145 /* Constructor */: - case 150 /* IndexSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 142 /* PropertyDeclaration */: - case 194 /* SemicolonClassElement */: - return true; - case 144 /* MethodDeclaration */: - // Method declarations are not necessarily reusable. An object-literal - // may have a method calls "constructor(...)" and we must reparse that - // into an actual .ConstructorDeclaration. - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 69 /* Identifier */ && - methodDeclaration.name.originalKeywordKind === 121 /* ConstructorKeyword */; - return !nameIsConstructor; - } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - return true; - } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 196 /* VariableStatement */: - case 195 /* Block */: - case 199 /* IfStatement */: - case 198 /* ExpressionStatement */: - case 211 /* ThrowStatement */: - case 207 /* ReturnStatement */: - case 209 /* SwitchStatement */: - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 197 /* EmptyStatement */: - case 212 /* TryStatement */: - case 210 /* LabeledStatement */: - case 200 /* DoStatement */: - case 213 /* DebuggerStatement */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - case 230 /* ExportAssignment */: - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 219 /* TypeAliasDeclaration */: - return true; - } - } - return false; - } - function isReusableEnumMember(node) { - return node.kind === 250 /* EnumMember */; - } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 149 /* ConstructSignature */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - case 141 /* PropertySignature */: - case 148 /* CallSignature */: - return true; - } - } - return false; - } - function isReusableVariableDeclaration(node) { - if (node.kind !== 214 /* VariableDeclaration */) { - return false; - } - // Very subtle incremental parsing bug. Consider the following code: - // - // let v = new List < A, B - // - // This is actually legal code. It's a list of variable declarators "v = new List() - // - // then we have a problem. "v = new List= 0) { - // Always preserve a trailing comma by marking it on the NodeArray - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - var pos = getNodePos(); - var result = []; - result.pos = pos; - result.end = pos; - return result; - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; - } - return createMissingList(); - } - // The allowReservedWords parameter controls whether reserved words are permitted after the first dot - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(21 /* DotToken */)) { - var node = createNode(136 /* QualifiedName */, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; - } - function parseRightSideOfDot(allowIdentifierNames) { - // Technically a keyword is valid here as all identifiers and keywords are identifier names. - // However, often we'll encounter this in error situations when the identifier or keyword - // is actually starting another valid construct. - // - // So, we check for the following specific case: - // - // name. - // identifierOrKeyword identifierNameOrKeyword - // - // Note: the newlines are important here. For example, if that above code - // were rewritten into: - // - // name.identifierOrKeyword - // identifierNameOrKeyword - // - // Then we would consider it valid. That's because ASI would take effect and - // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword". - // In the first case though, ASI will not take effect because there is not a - // line terminator after the identifier or keyword. - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - // Report that we need an identifier. However, report it right after the dot, - // and not on the next token. This is because the next token might actually - // be an identifier and the error would be quite confusing. - return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected); - } - } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(186 /* TemplateExpression */); - template.head = parseTemplateLiteralFragment(); - ts.Debug.assert(template.head.kind === 12 /* TemplateHead */, "Template head has wrong token kind"); - var templateSpans = []; - templateSpans.pos = getNodePos(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 13 /* TemplateMiddle */); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(193 /* TemplateSpan */); - span.expression = allowInAnd(parseExpression); - var literal; - if (token === 16 /* CloseBraceToken */) { - reScanTemplateToken(); - literal = parseTemplateLiteralFragment(); - } - else { - literal = parseExpectedToken(14 /* TemplateTail */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(16 /* CloseBraceToken */)); - } - span.literal = literal; - return finishNode(span); - } - function parseStringLiteralTypeNode() { - return parseLiteralLikeNode(163 /* StringLiteralType */, /*internName*/ true); - } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token, internName); - } - function parseTemplateLiteralFragment() { - return parseLiteralLikeNode(token, /*internName*/ false); - } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - // Octal literals are not allowed in strict mode or ES5 - // Note that theoretically the following condition would hold true literals like 009, - // which is not octal.But because of how the scanner separates the tokens, we would - // never get a token like this. Instead, we would get 00 and 9 as two separate tokens. - // We also do not need to check for negatives because any prefix operator would be part of a - // parent unary expression. - if (node.kind === 8 /* NumericLiteral */ - && sourceText.charCodeAt(tokenPos) === 48 /* _0 */ - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.flags |= 32768 /* OctalLiteral */; - } - return node; - } - // TYPES - function parseTypeReference() { - var typeName = parseEntityName(/*allowReservedWords*/ false, ts.Diagnostics.Type_expected); - var node = createNode(152 /* TypeReference */, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token === 25 /* LessThanToken */) { - node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - return finishNode(node); - } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(151 /* TypePredicate */, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); - } - function parseThisTypeNode() { - var node = createNode(162 /* ThisType */); - nextToken(); - return finishNode(node); - } - function parseTypeQuery() { - var node = createNode(155 /* TypeQuery */); - parseExpected(101 /* TypeOfKeyword */); - node.exprName = parseEntityName(/*allowReservedWords*/ true); - return finishNode(node); - } - function parseTypeParameter() { - var node = createNode(138 /* TypeParameter */); - node.name = parseIdentifier(); - if (parseOptional(83 /* ExtendsKeyword */)) { - // It's not uncommon for people to write improper constraints to a generic. If the - // user writes a constraint that is an expression and not an actual type, then parse - // it out as an expression (so we can recover well), but report that a type is needed - // instead. - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - // It was not a type, and it looked like an expression. Parse out an expression - // here so we recover well. Note: it is important that we call parseUnaryExpression - // and not parseExpression here. If the user has: - // - // - // - // We do *not* want to consume the > as we're consuming the expression for "". - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); - } - function parseTypeParameters() { - if (token === 25 /* LessThanToken */) { - return parseBracketedList(17 /* TypeParameters */, parseTypeParameter, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - } - function parseParameterType() { - if (parseOptional(54 /* ColonToken */)) { - return parseType(); - } - return undefined; - } - function isStartOfParameter() { - return token === 22 /* DotDotDotToken */ || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55 /* AtToken */; - } - function setModifiers(node, modifiers) { - if (modifiers) { - node.flags |= modifiers.flags; - node.modifiers = modifiers; - } - } - function parseParameter() { - var node = createNode(139 /* Parameter */); - node.decorators = parseDecorators(); - setModifiers(node, parseModifiers()); - node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); - // FormalParameter [Yield,Await]: - // BindingElement[?Yield,?Await] - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { - // in cases like - // 'use strict' - // function foo(static) - // isParameter('static') === true, because of isModifier('static') - // however 'static' is not a legal identifier in a strict mode. - // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined) - // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM) - // to avoid this we'll advance cursor to the next token. - nextToken(); - } - node.questionToken = parseOptionalToken(53 /* QuestionToken */); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(/*inParameter*/ true); - // Do not check for initializers in an ambient context for parameters. This is not - // a grammar error because the grammar allows arbitrary call signatures in - // an ambient context. - // It is actually not necessary for this to be an error at all. The reason is that - // function/constructor implementations are syntactically disallowed in ambient - // contexts. In addition, parameter initializers are semantically disallowed in - // overload signatures. So parameter initializers are transitively disallowed in - // ambient contexts. - return addJSDocComment(finishNode(node)); - } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); - } - function parseParameterInitializer() { - return parseInitializer(/*inParameter*/ true); - } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 34 /* EqualsGreaterThanToken */; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } - } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - // FormalParameters [Yield,Await]: (modified) - // [empty] - // FormalParameterList[?Yield,Await] - // - // FormalParameter[Yield,Await]: (modified) - // BindingElement[?Yield,Await] - // - // BindingElement [Yield,Await]: (modified) - // SingleNameBinding[?Yield,?Await] - // BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt - // - // SingleNameBinding [Yield,Await]: - // BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt - if (parseExpected(17 /* OpenParenToken */)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16 /* Parameters */, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(18 /* CloseParenToken */) && requireCompleteParameterList) { - // Caller insisted that we had to end with a ) We didn't. So just return - // undefined here. - return undefined; - } - return result; - } - // We didn't even have an open paren. If the caller requires a complete parameter list, - // we definitely can't provide that. However, if they're ok with an incomplete one, - // then just return an empty set of parameters. - return requireCompleteParameterList ? undefined : createMissingList(); - } - function parseTypeMemberSemicolon() { - // We allow type members to be separated by commas or (possibly ASI) semicolons. - // First check if it was a comma. If so, we're done with the member. - if (parseOptional(24 /* CommaToken */)) { - return; - } - // Didn't have a comma. We must have a (possible ASI) semicolon. - parseSemicolon(); - } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 149 /* ConstructSignature */) { - parseExpected(92 /* NewKeyword */); - } - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function isIndexSignature() { - if (token !== 19 /* OpenBracketToken */) { - return false; - } - return lookAhead(isUnambiguouslyIndexSignature); - } - function isUnambiguouslyIndexSignature() { - // The only allowed sequence is: - // - // [id: - // - // However, for error recovery, we also check the following cases: - // - // [... - // [id, - // [id?, - // [id?: - // [id?] - // [public id - // [private id - // [protected id - // [] - // - nextToken(); - if (token === 22 /* DotDotDotToken */ || token === 20 /* CloseBracketToken */) { - return true; - } - if (ts.isModifierKind(token)) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - // Skip the identifier - nextToken(); - } - // A colon signifies a well formed indexer - // A comma should be a badly formed indexer because comma expressions are not allowed - // in computed properties. - if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */) { - return true; - } - // Question mark could be an indexer with an optional property, - // or it could be a conditional expression in a computed property. - if (token !== 53 /* QuestionToken */) { - return false; - } - // If any of the following tokens are after the question mark, it cannot - // be a conditional expression, so treat it as an indexer. - nextToken(); - return token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || token === 20 /* CloseBracketToken */; - } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(150 /* IndexSignature */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.parameters = parseBracketedList(16 /* Parameters */, parseParameter, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function parsePropertyOrMethodSignature() { - var fullStart = scanner.getStartPos(); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - var method = createNode(143 /* MethodSignature */, fullStart); - method.name = name; - method.questionToken = questionToken; - // Method signatues don't exist in expression contexts. So they have neither - // [Yield] nor [Await] - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, method); - parseTypeMemberSemicolon(); - return finishNode(method); - } - else { - var property = createNode(141 /* PropertySignature */, fullStart); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token === 56 /* EqualsToken */) { - // Although type literal properties cannot not have initializers, we attempt - // to parse an initializer so we can report in the checker that an interface - // property or type literal property cannot have an initializer. - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return finishNode(property); - } - } - function isStartOfTypeMember() { - switch (token) { - case 17 /* OpenParenToken */: - case 25 /* LessThanToken */: - case 19 /* OpenBracketToken */: - return true; - default: - if (ts.isModifierKind(token)) { - var result = lookAhead(isStartOfIndexSignatureDeclaration); - if (result) { - return result; - } - } - return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); - } - } - function isStartOfIndexSignatureDeclaration() { - while (ts.isModifierKind(token)) { - nextToken(); - } - return isIndexSignature(); - } - function isTypeMemberWithLiteralPropertyName() { - nextToken(); - return token === 17 /* OpenParenToken */ || - token === 25 /* LessThanToken */ || - token === 53 /* QuestionToken */ || - token === 54 /* ColonToken */ || - canParseSemicolon(); - } - function parseTypeMember() { - switch (token) { - case 17 /* OpenParenToken */: - case 25 /* LessThanToken */: - return parseSignatureMember(148 /* CallSignature */); - case 19 /* OpenBracketToken */: - // Indexer or computed property - return isIndexSignature() - ? parseIndexSignatureDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined) - : parsePropertyOrMethodSignature(); - case 92 /* NewKeyword */: - if (lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(149 /* ConstructSignature */); - } - // fall through. - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - return parsePropertyOrMethodSignature(); - default: - // Index declaration as allowed as a type member. But as per the grammar, - // they also allow modifiers. So we have to check for an index declaration - // that might be following modifiers. This ensures that things work properly - // when incrementally parsing as the parser will produce the Index declaration - // if it has the same text regardless of whether it is inside a class or an - // object type. - if (ts.isModifierKind(token)) { - var result = tryParse(parseIndexSignatureWithModifiers); - if (result) { - return result; - } - } - if (ts.tokenIsIdentifierOrKeyword(token)) { - return parsePropertyOrMethodSignature(); - } - } - } - function parseIndexSignatureWithModifiers() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - return isIndexSignature() - ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) - : undefined; - } - function isStartOfConstructSignature() { - nextToken(); - return token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */; - } - function parseTypeLiteral() { - var node = createNode(156 /* TypeLiteral */); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(15 /* OpenBraceToken */)) { - members = parseList(4 /* TypeMembers */, parseTypeMember); - parseExpected(16 /* CloseBraceToken */); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(158 /* TupleType */); - node.elementTypes = parseBracketedList(19 /* TupleElementTypes */, parseType, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(161 /* ParenthesizedType */); - parseExpected(17 /* OpenParenToken */); - node.type = parseType(); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 154 /* ConstructorType */) { - parseExpected(92 /* NewKeyword */); - } - fillSignature(34 /* EqualsGreaterThanToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token === 21 /* DotToken */ ? undefined : node; - } - function parseNonArrayType() { - switch (token) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - // If these are followed by a dot, then parse these out as a dotted type reference instead. - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9 /* StringLiteral */: - return parseStringLiteralTypeNode(); - case 103 /* VoidKeyword */: - return parseTokenNode(); - case 97 /* ThisKeyword */: { - var thisKeyword = parseThisTypeNode(); - if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 101 /* TypeOfKeyword */: - return parseTypeQuery(); - case 15 /* OpenBraceToken */: - return parseTypeLiteral(); - case 19 /* OpenBracketToken */: - return parseTupleType(); - case 17 /* OpenParenToken */: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 97 /* ThisKeyword */: - case 101 /* TypeOfKeyword */: - case 15 /* OpenBraceToken */: - case 19 /* OpenBracketToken */: - case 25 /* LessThanToken */: - case 92 /* NewKeyword */: - case 9 /* StringLiteral */: - return true; - case 17 /* OpenParenToken */: - // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier, - // or something that starts a type. We don't want to consider things like '(1)' a type. - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token === 18 /* CloseParenToken */ || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(19 /* OpenBracketToken */)) { - parseExpected(20 /* CloseBracketToken */); - var node = createNode(157 /* ArrayType */, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token === operator) { - var types = [type]; - types.pos = type.pos; - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(160 /* IntersectionType */, parseArrayTypeOrHigher, 46 /* AmpersandToken */); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(159 /* UnionType */, parseIntersectionTypeOrHigher, 47 /* BarToken */); - } - function isStartOfFunctionType() { - if (token === 25 /* LessThanToken */) { - return true; - } - return token === 17 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token === 18 /* CloseParenToken */ || token === 22 /* DotDotDotToken */) { - // ( ) - // ( ... - return true; - } - if (isIdentifier() || ts.isModifierKind(token)) { - nextToken(); - if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || - token === 53 /* QuestionToken */ || token === 56 /* EqualsToken */ || - isIdentifier() || ts.isModifierKind(token)) { - // ( id : - // ( id , - // ( id ? - // ( id = - // ( modifier id - return true; - } - if (token === 18 /* CloseParenToken */) { - nextToken(); - if (token === 34 /* EqualsGreaterThanToken */) { - // ( id ) => - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(151 /* TypePredicate */, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - // The rules about 'yield' only apply to actual code/expression contexts. They don't - // apply to 'type' contexts. So we disable these parameters here before moving on. - return doOutsideOfContext(10 /* TypeExcludesFlags */, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(153 /* FunctionType */); - } - if (token === 92 /* NewKeyword */) { - return parseFunctionOrConstructorType(154 /* ConstructorType */); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(54 /* ColonToken */) ? parseType() : undefined; - } - // EXPRESSIONS - function isStartOfLeftHandSideExpression() { - switch (token) { - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 12 /* TemplateHead */: - case 17 /* OpenParenToken */: - case 19 /* OpenBracketToken */: - case 15 /* OpenBraceToken */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 92 /* NewKeyword */: - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - case 69 /* Identifier */: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 78 /* DeleteKeyword */: - case 101 /* TypeOfKeyword */: - case 103 /* VoidKeyword */: - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - case 25 /* LessThanToken */: - case 119 /* AwaitKeyword */: - case 114 /* YieldKeyword */: - // Yield/await always starts an expression. Either it is an identifier (in which case - // it is definitely an expression). Or it's a keyword (either because we're in - // a generator or async function, or in strict mode (or both)) and it started a yield or await expression. - return true; - default: - // Error tolerance. If we see the start of some binary operator, we consider - // that the start of an expression. That way we'll parse out a missing identifier, - // give a good message about an identifier being missing, and then consume the - // rest of the binary expression. - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement. - return token !== 15 /* OpenBraceToken */ && - token !== 87 /* FunctionKeyword */ && - token !== 73 /* ClassKeyword */ && - token !== 55 /* AtToken */ && - isStartOfExpression(); - } - function parseExpression() { - // Expression[in]: - // AssignmentExpression[in] - // Expression[in] , AssignmentExpression[in] - // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(24 /* CommaToken */))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token !== 56 /* EqualsToken */) { - // It's not uncommon during typing for the user to miss writing the '=' token. Check if - // there is no newline after the last token and if we're on an expression. If so, parse - // this as an equals-value clause with a missing equals. - // NOTE: There are two places where we allow equals-value clauses. The first is in a - // variable declarator. The second is with a parameter. For variable declarators - // it's more likely that a { would be a allowed (as an object literal). While this - // is also allowed for parameters, the risk is that we consume the { as an object - // literal when it really will be for the block following the parameter. - if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15 /* OpenBraceToken */) || !isStartOfExpression()) { - // preceding line break, open brace in a parameter (likely a function body) or current token is not an expression - - // do not try to parse initializer - return undefined; - } - } - // Initializer[In, Yield] : - // = AssignmentExpression[?In, ?Yield] - parseExpected(56 /* EqualsToken */); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - // AssignmentExpression[in,yield]: - // 1) ConditionalExpression[?in,?yield] - // 2) LeftHandSideExpression = AssignmentExpression[?in,?yield] - // 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield] - // 4) ArrowFunctionExpression[?in,?yield] - // 5) [+Yield] YieldExpression[?In] - // - // Note: for ease of implementation we treat productions '2' and '3' as the same thing. - // (i.e. they're both BinaryExpressions with an assignment operator in it). - // First, do the simple check if we have a YieldExpression (production '5'). - if (isYieldExpression()) { - return parseYieldExpression(); - } - // Then, check if we have an arrow function (production '4') that starts with a parenthesized - // parameter list. If we do, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is - // not a LeftHandSideExpression, nor does it start a ConditionalExpression. So we are done - // with AssignmentExpression if we see one. - var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - // Now try to see if we're in production '1', '2' or '3'. A conditional expression can - // start with a LogicalOrExpression, while the assignment productions can only start with - // LeftHandSideExpressions. - // - // So, first, we try to just parse out a BinaryExpression. If we get something that is a - // LeftHandSide or higher, then we can try to parse out the assignment expression part. - // Otherwise, we try to parse out the conditional expression bit. We want to allow any - // binary expression here, so we pass in the 'lowest' precedence here so that it matches - // and consumes anything. - var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0); - // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized - // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single - // identifier and the current token is an arrow. - if (expr.kind === 69 /* Identifier */ && token === 34 /* EqualsGreaterThanToken */) { - return parseSimpleArrowFunctionExpression(expr); - } - // Now see if we might be in cases '2' or '3'. - // If the expression was a LHS expression, and we have an assignment operator, then - // we're in '2' or '3'. Consume the assignment and return. - // - // Note: we call reScanGreaterToken so that we get an appropriately merged token - // for cases like > > = becoming >>= - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - // It wasn't an assignment or a lambda. This is a conditional expression: - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token === 114 /* YieldKeyword */) { - // If we have a 'yield' keyword, and htis is a context where yield expressions are - // allowed, then definitely parse out a yield expression. - if (inYieldContext()) { - return true; - } - // We're in a context where 'yield expr' is not allowed. However, if we can - // definitely tell that the user was trying to parse a 'yield expr' and not - // just a normal expr that start with a 'yield' identifier, then parse out - // a 'yield expr'. We can then report an error later that they are only - // allowed in generator expressions. - // - // for example, if we see 'yield(foo)', then we'll have to treat that as an - // invocation expression of something called 'yield'. However, if we have - // 'yield foo' then that is not legal as a normal expression, so we can - // definitely recognize this as a yield expression. - // - // for now we just check if the next token is an identifier. More heuristics - // can be added here later as necessary. We just need to make sure that we - // don't accidently consume something legal. - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; - } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); - } - function parseYieldExpression() { - var node = createNode(187 /* YieldExpression */); - // YieldExpression[In] : - // yield - // yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] - // yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] - nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token === 37 /* AsteriskToken */ || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - // if the next token is not on the same line as yield. or we don't have an '*' or - // the start of an expressin, then this is just a simple "yield" expression. - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier) { - ts.Debug.assert(token === 34 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node = createNode(177 /* ArrowFunction */, identifier.pos); - var parameter = createNode(139 /* Parameter */, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = [parameter]; - node.parameters.pos = parameter.pos; - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(/*isAsync*/ false); - return finishNode(node); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0 /* False */) { - // It's definitely not a parenthesized arrow function expression. - return undefined; - } - // If we definitely have an arrow function, then we can just parse one, not requiring a - // following => or { token. Otherwise, we *might* have an arrow function. Try to parse - // it out, but don't allow any ambiguity, and return 'undefined' if this could be an - // expression instead. - var arrowFunction = triState === 1 /* True */ - ? parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - // Didn't appear to actually be a parenthesized arrow function. Just bail out. - return undefined; - } - var isAsync = !!(arrowFunction.flags & 256 /* Async */); - // If we have an arrow, then try to parse the body. Even if not, try to parse if we - // have an opening brace, just in case we're in an error state. - var lastToken = token; - arrowFunction.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 34 /* EqualsGreaterThanToken */ || lastToken === 15 /* OpenBraceToken */) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return finishNode(arrowFunction); - } - // True -> We definitely expect a parenthesized arrow function here. - // False -> There *cannot* be a parenthesized arrow function here. - // Unknown -> There *might* be a parenthesized arrow function here. - // Speculatively look ahead to be sure, and rollback if not. - function isParenthesizedArrowFunctionExpression() { - if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */ || token === 118 /* AsyncKeyword */) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token === 34 /* EqualsGreaterThanToken */) { - // ERROR RECOVERY TWEAK: - // If we see a standalone => try to parse it as an arrow function expression as that's - // likely what the user intended to write. - return 1 /* True */; - } - // Definitely not a parenthesized arrow function. - return 0 /* False */; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token === 118 /* AsyncKeyword */) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0 /* False */; - } - if (token !== 17 /* OpenParenToken */ && token !== 25 /* LessThanToken */) { - return 0 /* False */; - } - } - var first = token; - var second = nextToken(); - if (first === 17 /* OpenParenToken */) { - if (second === 18 /* CloseParenToken */) { - // Simple cases: "() =>", "(): ", and "() {". - // This is an arrow function with no parameters. - // The last one is not actually an arrow function, - // but this is probably what the user intended. - var third = nextToken(); - switch (third) { - case 34 /* EqualsGreaterThanToken */: - case 54 /* ColonToken */: - case 15 /* OpenBraceToken */: - return 1 /* True */; - default: - return 0 /* False */; - } - } - // If encounter "([" or "({", this could be the start of a binding pattern. - // Examples: - // ([ x ]) => { } - // ({ x }) => { } - // ([ x ]) - // ({ x }) - if (second === 19 /* OpenBracketToken */ || second === 15 /* OpenBraceToken */) { - return 2 /* Unknown */; - } - // Simple case: "(..." - // This is an arrow function with a rest parameter. - if (second === 22 /* DotDotDotToken */) { - return 1 /* True */; - } - // If we had "(" followed by something that's not an identifier, - // then this definitely doesn't look like a lambda. - // Note: we could be a little more lenient and allow - // "(public" or "(private". These would not ever actually be allowed, - // but we could provide a good error message instead of bailing out. - if (!isIdentifier()) { - return 0 /* False */; - } - // If we have something like "(a:", then we must have a - // type-annotated parameter in an arrow function expression. - if (nextToken() === 54 /* ColonToken */) { - return 1 /* True */; - } - // This *could* be a parenthesized arrow function. - // Return Unknown to let the caller know. - return 2 /* Unknown */; - } - else { - ts.Debug.assert(first === 25 /* LessThanToken */); - // If we have "<" not followed by an identifier, - // then this definitely is not an arrow function. - if (!isIdentifier()) { - return 0 /* False */; - } - // JSX overrides - if (sourceFile.languageVariant === 1 /* JSX */) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 83 /* ExtendsKeyword */) { - var fourth = nextToken(); - switch (fourth) { - case 56 /* EqualsToken */: - case 27 /* GreaterThanToken */: - return false; - default: - return true; - } - } - else if (third === 24 /* CommaToken */) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1 /* True */; - } - return 0 /* False */; - } - // This *could* be a parenthesized arrow function. - return 2 /* Unknown */; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ false); - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(177 /* ArrowFunction */); - setModifiers(node, parseModifiersForArrowFunction()); - var isAsync = !!(node.flags & 256 /* Async */); - // Arrow functions are never generators. - // - // If we're speculatively parsing a signature for a parenthesized arrow function, then - // we have to have a complete parameter list. Otherwise we might see something like - // a => (b => c) - // And think that "(b =>" was actually a parenthesized arrow function with a missing - // close paren. - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ !allowAmbiguity, node); - // If we couldn't get parameters, we definitely could not parse out an arrow function. - if (!node.parameters) { - return undefined; - } - // Parsing a signature isn't enough. - // Parenthesized arrow signatures often look like other valid expressions. - // For instance: - // - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value. - // - "(x,y)" is a comma expression parsed as a signature with two parameters. - // - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation. - // - // So we need just a bit of lookahead to ensure that it can only be a signature. - if (!allowAmbiguity && token !== 34 /* EqualsGreaterThanToken */ && token !== 15 /* OpenBraceToken */) { - // Returning undefined here will cause our caller to rewind to where we started from. - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token === 15 /* OpenBraceToken */) { - return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); - } - if (token !== 23 /* SemicolonToken */ && - token !== 87 /* FunctionKeyword */ && - token !== 73 /* ClassKeyword */ && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations) - // - // Here we try to recover from a potential error situation in the case where the - // user meant to supply a block. For example, if the user wrote: - // - // a => - // let v = 0; - // } - // - // they may be missing an open brace. Check to see if that's the case so we can - // try to recover better. If we don't do this, then the next close curly we see may end - // up preemptively closing the containing construct. - // - // Note: even when 'ignoreMissingOpenBrace' is passed as true, parseBody will still error. - return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (!questionToken) { - return leftOperand; - } - // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and - // we do not that for the 'whenFalse' part. - var node = createNode(185 /* ConditionalExpression */, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(54 /* ColonToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(54 /* ColonToken */)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 90 /* InKeyword */ || t === 135 /* OfKeyword */; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - // We either have a binary operator here, or we're finished. We call - // reScanGreaterToken so that we merge token sequences like > and = into >= - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - // Check the precedence to see if we should "take" this operator - // - For left associative operator (all operator but **), consume the operator, - // recursively call the function below, and parse binaryExpression as a rightOperand - // of the caller if the new precendence of the operator is greater then or equal to the current precendence. - // For example: - // a - b - c; - // ^token; leftOperand = b. Return b to the caller as a rightOperand - // a * b - c - // ^token; leftOperand = b. Return b to the caller as a rightOperand - // a - b * c; - // ^token; leftOperand = b. Return b * c to the caller as a rightOperand - // - For right associative operator (**), consume the operator, recursively call the function - // and parse binaryExpression as a rightOperand of the caller if the new precendence of - // the operator is strictly grater than the current precendence - // For example: - // a ** b ** c; - // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand - // a - b ** c; - // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand - // a ** b - c - // ^token; leftOperand = b. Return b to the caller as a rightOperand - var consumeCurrentOperator = token === 38 /* AsteriskAsteriskToken */ ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token === 90 /* InKeyword */ && inDisallowInContext()) { - break; - } - if (token === 116 /* AsKeyword */) { - // Make sure we *do* perform ASI for constructs like this: - // var x = foo - // as (Bar) - // This should be parsed as an initialized variable, followed - // by a function call to 'as' with the argument 'Bar' - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token === 90 /* InKeyword */) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token) { - case 52 /* BarBarToken */: - return 1; - case 51 /* AmpersandAmpersandToken */: - return 2; - case 47 /* BarToken */: - return 3; - case 48 /* CaretToken */: - return 4; - case 46 /* AmpersandToken */: - return 5; - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - return 6; - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - case 91 /* InstanceOfKeyword */: - case 90 /* InKeyword */: - case 116 /* AsKeyword */: - return 7; - case 43 /* LessThanLessThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - return 8; - case 35 /* PlusToken */: - case 36 /* MinusToken */: - return 9; - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - return 10; - case 38 /* AsteriskAsteriskToken */: - return 11; - } - // -1 is lower than all other precedences. Returning it will cause binary expression - // parsing to stop. - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(184 /* BinaryExpression */, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(192 /* AsExpression */, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(182 /* PrefixUnaryExpression */); - node.operator = token; - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(178 /* DeleteExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(179 /* TypeOfExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(180 /* VoidExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token === 119 /* AwaitKeyword */) { - if (inAwaitContext()) { - return true; - } - // here we are using similar heuristics as 'isYieldExpression' - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(181 /* AwaitExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - /** - * Parse ES7 unary expression and await expression - * - * ES7 UnaryExpression: - * 1) SimpleUnaryExpression[?yield] - * 2) IncrementExpression[?yield] ** UnaryExpression[?yield] - */ - function parseUnaryExpressionOrHigher() { - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - if (isIncrementExpression()) { - var incrementExpression = parseIncrementExpression(); - return token === 38 /* AsteriskAsteriskToken */ ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token; - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token === 38 /* AsteriskAsteriskToken */) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 174 /* TypeAssertionExpression */) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - /** - * Parse ES7 simple-unary expression or higher: - * - * ES7 SimpleUnaryExpression: - * 1) IncrementExpression[?yield] - * 2) delete UnaryExpression[?yield] - * 3) void UnaryExpression[?yield] - * 4) typeof UnaryExpression[?yield] - * 5) + UnaryExpression[?yield] - * 6) - UnaryExpression[?yield] - * 7) ~ UnaryExpression[?yield] - * 8) ! UnaryExpression[?yield] - */ - function parseSimpleUnaryExpression() { - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - return parsePrefixUnaryExpression(); - case 78 /* DeleteKeyword */: - return parseDeleteExpression(); - case 101 /* TypeOfKeyword */: - return parseTypeOfExpression(); - case 103 /* VoidKeyword */: - return parseVoidExpression(); - case 25 /* LessThanToken */: - // This is modified UnaryExpression grammar in TypeScript - // UnaryExpression (modified): - // < type > UnaryExpression - return parseTypeAssertion(); - default: - return parseIncrementExpression(); - } - } - /** - * Check if the current token can possibly be an ES7 increment expression. - * - * ES7 IncrementExpression: - * LeftHandSideExpression[?Yield] - * LeftHandSideExpression[?Yield][no LineTerminator here]++ - * LeftHandSideExpression[?Yield][no LineTerminator here]-- - * ++LeftHandSideExpression[?Yield] - * --LeftHandSideExpression[?Yield] - */ - function isIncrementExpression() { - // This function is called inside parseUnaryExpression to decide - // whether to call parseSimpleUnaryExpression or call parseIncrmentExpression directly - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 78 /* DeleteKeyword */: - case 101 /* TypeOfKeyword */: - case 103 /* VoidKeyword */: - return false; - case 25 /* LessThanToken */: - // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression - if (sourceFile.languageVariant !== 1 /* JSX */) { - return false; - } - // We are in JSX context and the token is part of JSXElement. - // Fall through - default: - return true; - } - } - /** - * Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. - * - * ES7 IncrementExpression[yield]: - * 1) LeftHandSideExpression[?yield] - * 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ - * 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- - * 4) ++LeftHandSideExpression[?yield] - * 5) --LeftHandSideExpression[?yield] - * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression - */ - function parseIncrementExpression() { - if (token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) { - var node = createNode(182 /* PrefixUnaryExpression */); - node.operator = token; - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 /* JSX */ && token === 25 /* LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeyword)) { - // JSXElement is part of primaryExpression - return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(183 /* PostfixUnaryExpression */, expression.pos); - node.operand = expression; - node.operator = token; - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - // Original Ecma: - // LeftHandSideExpression: See 11.2 - // NewExpression - // CallExpression - // - // Our simplification: - // - // LeftHandSideExpression: See 11.2 - // MemberExpression - // CallExpression - // - // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with - // MemberExpression to make our lives easier. - // - // to best understand the below code, it's important to see how CallExpression expands - // out into its own productions: - // - // CallExpression: - // MemberExpression Arguments - // CallExpression Arguments - // CallExpression[Expression] - // CallExpression.IdentifierName - // super ( ArgumentListopt ) - // super.IdentifierName - // - // Because of the recursion in these calls, we need to bottom out first. There are two - // bottom out states we can run into. Either we see 'super' which must start either of - // the last two CallExpression productions. Or we have a MemberExpression which either - // completes the LeftHandSideExpression, or starts the beginning of the first four - // CallExpression productions. - var expression = token === 95 /* SuperKeyword */ - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - // Now, we *may* be complete. However, we might have consumed the start of a - // CallExpression. As such, we need to consume the rest of it here to be complete. - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - // Note: to make our lives simpler, we decompose the the NewExpression productions and - // place ObjectCreationExpression and FunctionExpression into PrimaryExpression. - // like so: - // - // PrimaryExpression : See 11.1 - // this - // Identifier - // Literal - // ArrayLiteral - // ObjectLiteral - // (Expression) - // FunctionExpression - // new MemberExpression Arguments? - // - // MemberExpression : See 11.2 - // PrimaryExpression - // MemberExpression[Expression] - // MemberExpression.IdentifierName - // - // CallExpression : See 11.2 - // MemberExpression - // CallExpression Arguments - // CallExpression[Expression] - // CallExpression.IdentifierName - // - // Technically this is ambiguous. i.e. CallExpression defines: - // - // CallExpression: - // CallExpression Arguments - // - // If you see: "new Foo()" - // - // Then that could be treated as a single ObjectCreationExpression, or it could be - // treated as the invocation of "new Foo". We disambiguate that in code (to match - // the original grammar) by making sure that if we see an ObjectCreationExpression - // we always consume arguments if they are there. So we treat "new Foo()" as an - // object creation only, and not at all as an invocation) Another way to think - // about this is that for every "new" that we see, we will consume an argument list if - // it is there as part of the *associated* object creation node. Any additional - // argument lists we see, will become invocation expressions. - // - // Because there are no other places in the grammar now that refer to FunctionExpression - // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression - // production. - // - // Because CallExpression and MemberExpression are left recursive, we need to bottom out - // of the recursion immediately. So we parse out a primary expression to start with. - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token === 17 /* OpenParenToken */ || token === 21 /* DotToken */ || token === 19 /* OpenBracketToken */) { - return expression; - } - // If we have seen "super" it must be followed by '(' or '.'. - // If it wasn't then just try to parse out a '.' and report an error. - var node = createNode(169 /* PropertyAccessExpression */, expression.pos); - node.expression = expression; - node.dotToken = parseExpectedToken(21 /* DotToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 69 /* Identifier */) { - return lhs.text === rhs.text; - } - return lhs.right.text === rhs.right.text && - tagNamesAreEquivalent(lhs.left, rhs.left); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 238 /* JsxOpeningElement */) { - var node = createNode(236 /* JsxElement */, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 237 /* JsxSelfClosingElement */); - // Nothing else to do for self-closing elements - result = opening; - } - // If the user writes the invalid code '
' in an expression context (i.e. not wrapped in - // an enclosing tag), we'll naively try to parse ^ this as a 'less than' operator and the remainder of the tag - // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX - // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter - // does less damage and we can report a better error. - // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios - // of one sort or another. - if (inExpressionContext && token === 25 /* LessThanToken */) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(184 /* BinaryExpression */, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(24 /* CommaToken */, /*reportAtCurrentPosition*/ false, /*diagnosticMessage*/ undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(239 /* JsxText */, scanner.getStartPos()); - token = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token) { - case 239 /* JsxText */: - return parseJsxText(); - case 15 /* OpenBraceToken */: - return parseJsxExpression(/*inExpressionContext*/ false); - case 25 /* LessThanToken */: - return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ false); - } - ts.Debug.fail("Unknown JSX child kind " + token); - } - function parseJsxChildren(openingTagName) { - var result = []; - result.pos = scanner.getStartPos(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14 /* JsxChildren */; - while (true) { - token = scanner.reScanJsxToken(); - if (token === 26 /* LessThanSlashToken */) { - // Closing tag - break; - } - else if (token === 1 /* EndOfFileToken */) { - // If we hit EOF, issue the error at the tag that lacks the closing element - // rather than at the end of the file (which is useless) - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(25 /* LessThanToken */); - var tagName = parseJsxElementName(); - var attributes = parseList(13 /* JsxAttributes */, parseJsxAttribute); - var node; - if (token === 27 /* GreaterThanToken */) { - // Closing tag, so scan the immediately-following text with the JSX scanning instead - // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate - // scanning errors - node = createNode(238 /* JsxOpeningElement */, fullStart); - scanJsxText(); - } - else { - parseExpected(39 /* SlashToken */); - if (inExpressionContext) { - parseExpected(27 /* GreaterThanToken */); - } - else { - parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - node = createNode(237 /* JsxSelfClosingElement */, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var elementName = parseIdentifierName(); - while (parseOptional(21 /* DotToken */)) { - scanJsxIdentifier(); - var node = createNode(136 /* QualifiedName */, elementName.pos); - node.left = elementName; - node.right = parseIdentifierName(); - elementName = finishNode(node); - } - return elementName; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(243 /* JsxExpression */); - parseExpected(15 /* OpenBraceToken */); - if (token !== 16 /* CloseBraceToken */) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(16 /* CloseBraceToken */); - } - else { - parseExpected(16 /* CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token === 15 /* OpenBraceToken */) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(241 /* JsxAttribute */); - node.name = parseIdentifierName(); - if (parseOptional(56 /* EqualsToken */)) { - switch (token) { - case 9 /* StringLiteral */: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(/*inExpressionContext*/ true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(242 /* JsxSpreadAttribute */); - parseExpected(15 /* OpenBraceToken */); - parseExpected(22 /* DotDotDotToken */); - node.expression = parseExpression(); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(240 /* JsxClosingElement */); - parseExpected(26 /* LessThanSlashToken */); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(27 /* GreaterThanToken */); - } - else { - parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(174 /* TypeAssertionExpression */); - parseExpected(25 /* LessThanToken */); - node.type = parseType(); - parseExpected(27 /* GreaterThanToken */); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(21 /* DotToken */); - if (dotToken) { - var propertyAccess = createNode(169 /* PropertyAccessExpression */, expression.pos); - propertyAccess.expression = expression; - propertyAccess.dotToken = dotToken; - propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); - expression = finishNode(propertyAccess); - continue; - } - // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName - if (!inDecoratorContext() && parseOptional(19 /* OpenBracketToken */)) { - var indexedAccess = createNode(170 /* ElementAccessExpression */, expression.pos); - indexedAccess.expression = expression; - // It's not uncommon for a user to write: "new Type[]". - // Check for that common pattern and report a better error message. - if (token !== 20 /* CloseBracketToken */) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 /* StringLiteral */ || indexedAccess.argumentExpression.kind === 8 /* NumericLiteral */) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(20 /* CloseBracketToken */); - expression = finishNode(indexedAccess); - continue; - } - if (token === 11 /* NoSubstitutionTemplateLiteral */ || token === 12 /* TemplateHead */) { - var tagExpression = createNode(173 /* TaggedTemplateExpression */, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token === 11 /* NoSubstitutionTemplateLiteral */ - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token === 25 /* LessThanToken */) { - // See if this is the start of a generic invocation. If so, consume it and - // keep checking for postfix expressions. Otherwise, it's just a '<' that's - // part of an arithmetic expression. Break out so we consume it higher in the - // stack. - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(171 /* CallExpression */, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token === 17 /* OpenParenToken */) { - var callExpr = createNode(171 /* CallExpression */, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(17 /* OpenParenToken */); - var result = parseDelimitedList(11 /* ArgumentExpressions */, parseArgumentExpression); - parseExpected(18 /* CloseParenToken */); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(25 /* LessThanToken */)) { - return undefined; - } - var typeArguments = parseDelimitedList(18 /* TypeArguments */, parseType); - if (!parseExpected(27 /* GreaterThanToken */)) { - // If it doesn't have the closing > then it's definitely not an type argument list. - return undefined; - } - // If we have a '<', then only parse this as a arugment list if the type arguments - // are complete and we have an open paren. if we don't, rewind and return nothing. - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token) { - case 17 /* OpenParenToken */: // foo( - // this case are the only case where this token can legally follow a type argument - // list. So we definitely want to treat this as a type arg list. - case 21 /* DotToken */: // foo. - case 18 /* CloseParenToken */: // foo) - case 20 /* CloseBracketToken */: // foo] - case 54 /* ColonToken */: // foo: - case 23 /* SemicolonToken */: // foo; - case 53 /* QuestionToken */: // foo? - case 30 /* EqualsEqualsToken */: // foo == - case 32 /* EqualsEqualsEqualsToken */: // foo === - case 31 /* ExclamationEqualsToken */: // foo != - case 33 /* ExclamationEqualsEqualsToken */: // foo !== - case 51 /* AmpersandAmpersandToken */: // foo && - case 52 /* BarBarToken */: // foo || - case 48 /* CaretToken */: // foo ^ - case 46 /* AmpersandToken */: // foo & - case 47 /* BarToken */: // foo | - case 16 /* CloseBraceToken */: // foo } - case 1 /* EndOfFileToken */: - // these cases can't legally follow a type arg list. However, they're not legal - // expressions either. The user is probably in the middle of a generic type. So - // treat it as such. - return true; - case 24 /* CommaToken */: // foo, - case 15 /* OpenBraceToken */: // foo { - // We don't want to treat these as type arguments. Otherwise we'll parse this - // as an invocation expression. Instead, we want to parse out the expression - // in isolation from the type arguments. - default: - // Anything else treat as an expression. - return false; - } - } - function parsePrimaryExpression() { - switch (token) { - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - return parseLiteralNode(); - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - return parseTokenNode(); - case 17 /* OpenParenToken */: - return parseParenthesizedExpression(); - case 19 /* OpenBracketToken */: - return parseArrayLiteralExpression(); - case 15 /* OpenBraceToken */: - return parseObjectLiteralExpression(); - case 118 /* AsyncKeyword */: - // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher. - // If we encounter `async [no LineTerminator here] function` then this is an async - // function; otherwise, its an identifier. - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 73 /* ClassKeyword */: - return parseClassExpression(); - case 87 /* FunctionKeyword */: - return parseFunctionExpression(); - case 92 /* NewKeyword */: - return parseNewExpression(); - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - if (reScanSlashToken() === 10 /* RegularExpressionLiteral */) { - return parseLiteralNode(); - } - break; - case 12 /* TemplateHead */: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(175 /* ParenthesizedExpression */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(188 /* SpreadElementExpression */); - parseExpected(22 /* DotDotDotToken */); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token === 22 /* DotDotDotToken */ ? parseSpreadElement() : - token === 24 /* CommaToken */ ? createNode(190 /* OmittedExpression */) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(167 /* ArrayLiteralExpression */); - parseExpected(19 /* OpenBracketToken */); - if (scanner.hasPrecedingLineBreak()) - node.flags |= 1024 /* MultiLine */; - node.elements = parseDelimitedList(15 /* ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(123 /* GetKeyword */)) { - return parseAccessorDeclaration(146 /* GetAccessor */, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(129 /* SetKeyword */)) { - return parseAccessorDeclaration(147 /* SetAccessor */, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - // Disallowing of optional property assignments happens in the grammar checker. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - // check if it is short-hand property assignment or normal property assignment - // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production - // CoverInitializedName[Yield] : - // IdentifierReference[?Yield] Initializer[In, ?Yield] - // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern - var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 /* CommaToken */ || token === 16 /* CloseBraceToken */ || token === 56 /* EqualsToken */); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(249 /* ShorthandPropertyAssignment */, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(56 /* EqualsToken */); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(248 /* PropertyAssignment */, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(54 /* ColonToken */); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(168 /* ObjectLiteralExpression */); - parseExpected(15 /* OpenBraceToken */); - if (scanner.hasPrecedingLineBreak()) { - node.flags |= 1024 /* MultiLine */; - } - node.properties = parseDelimitedList(12 /* ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimeter*/ true); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseFunctionExpression() { - // GeneratorExpression: - // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody } - // - // FunctionExpression: - // function BindingIdentifier[opt](FormalParameters){ FunctionBody } - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var node = createNode(176 /* FunctionExpression */); - setModifiers(node, parseModifiers()); - parseExpected(87 /* FunctionKeyword */); - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256 /* Async */); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlock(/*allowYield*/ isGenerator, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(172 /* NewExpression */); - parseExpected(92 /* NewKeyword */); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token === 17 /* OpenParenToken */) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - // STATEMENTS - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(195 /* Block */); - if (parseExpected(15 /* OpenBraceToken */, diagnosticMessage) || ignoreMissingOpenBrace) { - node.statements = parseList(1 /* BlockStatements */, parseStatement); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - // We may be in a [Decorator] context when parsing a function expression or - // arrow function. The body of the function is not in [Decorator] context. - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(197 /* EmptyStatement */); - parseExpected(23 /* SemicolonToken */); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(199 /* IfStatement */); - parseExpected(88 /* IfKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(80 /* ElseKeyword */) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(200 /* DoStatement */); - parseExpected(79 /* DoKeyword */); - node.statement = parseStatement(); - parseExpected(104 /* WhileKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html - // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in - // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby - // do;while(0)x will have a semicolon inserted before x. - parseOptional(23 /* SemicolonToken */); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(201 /* WhileStatement */); - parseExpected(104 /* WhileKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(86 /* ForKeyword */); - parseExpected(17 /* OpenParenToken */); - var initializer = undefined; - if (token !== 23 /* SemicolonToken */) { - if (token === 102 /* VarKeyword */ || token === 108 /* LetKeyword */ || token === 74 /* ConstKeyword */) { - initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(90 /* InKeyword */)) { - var forInStatement = createNode(203 /* ForInStatement */, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(135 /* OfKeyword */)) { - var forOfStatement = createNode(204 /* ForOfStatement */, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(202 /* ForStatement */, pos); - forStatement.initializer = initializer; - parseExpected(23 /* SemicolonToken */); - if (token !== 23 /* SemicolonToken */ && token !== 18 /* CloseParenToken */) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(23 /* SemicolonToken */); - if (token !== 18 /* CloseParenToken */) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(207 /* ReturnStatement */); - parseExpected(94 /* ReturnKeyword */); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(208 /* WithStatement */); - parseExpected(105 /* WithKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(244 /* CaseClause */); - parseExpected(71 /* CaseKeyword */); - node.expression = allowInAnd(parseExpression); - parseExpected(54 /* ColonToken */); - node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(245 /* DefaultClause */); - parseExpected(77 /* DefaultKeyword */); - parseExpected(54 /* ColonToken */); - node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token === 71 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(209 /* SwitchStatement */); - parseExpected(96 /* SwitchKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - var caseBlock = createNode(223 /* CaseBlock */, scanner.getStartPos()); - parseExpected(15 /* OpenBraceToken */); - caseBlock.clauses = parseList(2 /* SwitchClauses */, parseCaseOrDefaultClause); - parseExpected(16 /* CloseBraceToken */); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - // ThrowStatement[Yield] : - // throw [no LineTerminator here]Expression[In, ?Yield]; - // Because of automatic semicolon insertion, we need to report error if this - // throw could be terminated with a semicolon. Note: we can't call 'parseExpression' - // directly as that might consume an expression on the following line. - // We just return 'undefined' in that case. The actual error will be reported in the - // grammar walker. - var node = createNode(211 /* ThrowStatement */); - parseExpected(98 /* ThrowKeyword */); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - // TODO: Review for error recovery - function parseTryStatement() { - var node = createNode(212 /* TryStatement */); - parseExpected(100 /* TryKeyword */); - node.tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); - node.catchClause = token === 72 /* CatchKeyword */ ? parseCatchClause() : undefined; - // If we don't have a catch clause, then we must have a finally clause. Try to parse - // one out no matter what. - if (!node.catchClause || token === 85 /* FinallyKeyword */) { - parseExpected(85 /* FinallyKeyword */); - node.finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(247 /* CatchClause */); - parseExpected(72 /* CatchKeyword */); - if (parseExpected(17 /* OpenParenToken */)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(18 /* CloseParenToken */); - result.block = parseBlock(/*ignoreMissingOpenBrace*/ false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(213 /* DebuggerStatement */); - parseExpected(76 /* DebuggerKeyword */); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - // Avoiding having to do the lookahead for a labeled statement by just trying to parse - // out an expression, seeing if it is identifier and then seeing if it is followed by - // a colon. - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 69 /* Identifier */ && parseOptional(54 /* ColonToken */)) { - var labeledStatement = createNode(210 /* LabeledStatement */, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(198 /* ExpressionStatement */, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token === 87 /* FunctionKeyword */ && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token) || token === 8 /* NumericLiteral */) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - return true; - // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers; - // however, an identifier cannot be followed by another identifier on the same line. This is what we - // count on to parse out the respective declarations. For instance, we exploit this to say that - // - // namespace n - // - // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees - // - // namespace - // n - // - // as the identifier 'namespace' on one line followed by the identifier 'n' on another. - // We need to look one token ahead to see if it permissible to try parsing a declaration. - // - // *Note*: 'interface' is actually a strict mode reserved word. So while - // - // "use strict" - // interface - // I {} - // - // could be legal, it would add complexity for very little gain. - case 107 /* InterfaceKeyword */: - case 132 /* TypeKeyword */: - return nextTokenIsIdentifierOnSameLine(); - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 115 /* AbstractKeyword */: - case 118 /* AsyncKeyword */: - case 122 /* DeclareKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 112 /* PublicKeyword */: - nextToken(); - // ASI takes effect for this modifier. - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 134 /* GlobalKeyword */: - return nextToken() === 15 /* OpenBraceToken */; - case 89 /* ImportKeyword */: - nextToken(); - return token === 9 /* StringLiteral */ || token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token); - case 82 /* ExportKeyword */: - nextToken(); - if (token === 56 /* EqualsToken */ || token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */ || token === 77 /* DefaultKeyword */) { - return true; - } - continue; - case 113 /* StaticKeyword */: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token) { - case 55 /* AtToken */: - case 23 /* SemicolonToken */: - case 15 /* OpenBraceToken */: - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - case 88 /* IfKeyword */: - case 79 /* DoKeyword */: - case 104 /* WhileKeyword */: - case 86 /* ForKeyword */: - case 75 /* ContinueKeyword */: - case 70 /* BreakKeyword */: - case 94 /* ReturnKeyword */: - case 105 /* WithKeyword */: - case 96 /* SwitchKeyword */: - case 98 /* ThrowKeyword */: - case 100 /* TryKeyword */: - case 76 /* DebuggerKeyword */: - // 'catch' and 'finally' do not actually indicate that the code is part of a statement, - // however, we say they are here so that we may gracefully parse them and error later. - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return true; - case 74 /* ConstKeyword */: - case 82 /* ExportKeyword */: - case 89 /* ImportKeyword */: - return isStartOfDeclaration(); - case 118 /* AsyncKeyword */: - case 122 /* DeclareKeyword */: - case 107 /* InterfaceKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - case 132 /* TypeKeyword */: - case 134 /* GlobalKeyword */: - // When these don't start a declaration, they're an identifier in an expression statement - return true; - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - // When these don't start a declaration, they may be the start of a class member if an identifier - // immediately follows. Otherwise they're an identifier in an expression statement. - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */; - } - function isLetDeclaration() { - // In ES6 'let' always starts a lexical declaration if followed by an identifier or { - // or [. - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token) { - case 23 /* SemicolonToken */: - return parseEmptyStatement(); - case 15 /* OpenBraceToken */: - return parseBlock(/*ignoreMissingOpenBrace*/ false); - case 102 /* VarKeyword */: - return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 108 /* LetKeyword */: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - } - break; - case 87 /* FunctionKeyword */: - return parseFunctionDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 73 /* ClassKeyword */: - return parseClassDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 88 /* IfKeyword */: - return parseIfStatement(); - case 79 /* DoKeyword */: - return parseDoStatement(); - case 104 /* WhileKeyword */: - return parseWhileStatement(); - case 86 /* ForKeyword */: - return parseForOrForInOrForOfStatement(); - case 75 /* ContinueKeyword */: - return parseBreakOrContinueStatement(205 /* ContinueStatement */); - case 70 /* BreakKeyword */: - return parseBreakOrContinueStatement(206 /* BreakStatement */); - case 94 /* ReturnKeyword */: - return parseReturnStatement(); - case 105 /* WithKeyword */: - return parseWithStatement(); - case 96 /* SwitchKeyword */: - return parseSwitchStatement(); - case 98 /* ThrowKeyword */: - return parseThrowStatement(); - case 100 /* TryKeyword */: - // Include 'catch' and 'finally' for error recovery. - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return parseTryStatement(); - case 76 /* DebuggerKeyword */: - return parseDebuggerStatement(); - case 55 /* AtToken */: - return parseDeclaration(); - case 118 /* AsyncKeyword */: - case 107 /* InterfaceKeyword */: - case 132 /* TypeKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - case 122 /* DeclareKeyword */: - case 74 /* ConstKeyword */: - case 81 /* EnumKeyword */: - case 82 /* ExportKeyword */: - case 89 /* ImportKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 112 /* PublicKeyword */: - case 115 /* AbstractKeyword */: - case 113 /* StaticKeyword */: - case 134 /* GlobalKeyword */: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - return parseVariableStatement(fullStart, decorators, modifiers); - case 87 /* FunctionKeyword */: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 73 /* ClassKeyword */: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 107 /* InterfaceKeyword */: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 132 /* TypeKeyword */: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 81 /* EnumKeyword */: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 134 /* GlobalKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 89 /* ImportKeyword */: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 82 /* ExportKeyword */: - nextToken(); - return token === 77 /* DefaultKeyword */ || token === 56 /* EqualsToken */ ? - parseExportAssignment(fullStart, decorators, modifiers) : - parseExportDeclaration(fullStart, decorators, modifiers); - default: - if (decorators || modifiers) { - // We reached this point because we encountered decorators and/or modifiers and assumed a declaration - // would follow. For recovery and error reporting purposes, return an incomplete declaration. - var node = createMissingNode(234 /* MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - setModifiers(node, modifiers); - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9 /* StringLiteral */); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token !== 15 /* OpenBraceToken */ && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, /*ignoreMissingOpenBrace*/ false, diagnosticMessage); - } - // DECLARATIONS - function parseArrayBindingElement() { - if (token === 24 /* CommaToken */) { - return createNode(190 /* OmittedExpression */); - } - var node = createNode(166 /* BindingElement */); - node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(/*inParameter*/ false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(166 /* BindingElement */); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token !== 54 /* ColonToken */) { - node.name = propertyName; - } - else { - parseExpected(54 /* ColonToken */); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(/*inParameter*/ false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(164 /* ObjectBindingPattern */); - parseExpected(15 /* OpenBraceToken */); - node.elements = parseDelimitedList(9 /* ObjectBindingElements */, parseObjectBindingElement); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(165 /* ArrayBindingPattern */); - parseExpected(19 /* OpenBracketToken */); - node.elements = parseDelimitedList(10 /* ArrayBindingElements */, parseArrayBindingElement); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */ || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token === 19 /* OpenBracketToken */) { - return parseArrayBindingPattern(); - } - if (token === 15 /* OpenBraceToken */) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(214 /* VariableDeclaration */); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token)) { - node.initializer = parseInitializer(/*inParameter*/ false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(215 /* VariableDeclarationList */); - switch (token) { - case 102 /* VarKeyword */: - break; - case 108 /* LetKeyword */: - node.flags |= 8192 /* Let */; - break; - case 74 /* ConstKeyword */: - node.flags |= 16384 /* Const */; - break; - default: - ts.Debug.fail(); - } - nextToken(); - // The user may have written the following: - // - // for (let of X) { } - // - // In this case, we want to parse an empty declaration list, and then parse 'of' - // as a keyword. The reason this is not automatic is that 'of' is a valid identifier. - // So we need to look ahead to determine if 'of' should be treated as a keyword in - // this context. - // The checker will then give an error that there is an empty declaration list. - if (token === 135 /* OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8 /* VariableDeclarations */, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 18 /* CloseParenToken */; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(196 /* VariableStatement */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(216 /* FunctionDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(87 /* FunctionKeyword */); - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - node.name = node.flags & 512 /* Default */ ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256 /* Async */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(145 /* Constructor */, pos); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(121 /* ConstructorKeyword */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(144 /* MethodDeclaration */, fullStart); - method.decorators = decorators; - setModifiers(method, modifiers); - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = !!(method.flags & 256 /* Async */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(142 /* PropertyDeclaration */, fullStart); - property.decorators = decorators; - setModifiers(property, modifiers); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - // For instance properties specifically, since they are evaluated inside the constructor, - // we do *not * want to parse yield expressions, so we specifically turn the yield context - // off. The grammar would look something like this: - // - // MemberVariableDeclaration[Yield]: - // AccessibilityModifier_opt PropertyName TypeAnnotation_opt Initialiser_opt[In]; - // AccessibilityModifier_opt static_opt PropertyName TypeAnnotation_opt Initialiser_opt[In, ?Yield]; - // - // The checker may still error in the static case to explicitly disallow the yield expression. - property.initializer = modifiers && modifiers.flags & 64 /* Static */ - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(2 /* Yield */ | 1 /* DisallowIn */, parseNonParameterInitializer); - parseSemicolon(); - return finishNode(property); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var name = parsePropertyName(); - // Note: this is not legal as per the grammar. But we allow it in the parser and - // report an error in the grammar checker. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(/*inParameter*/ false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.name = parsePropertyName(); - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false); - return finishNode(node); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token === 55 /* AtToken */) { - return true; - } - // Eat up all modifiers, but hold on to the last one in case it is actually an identifier. - while (ts.isModifierKind(token)) { - idToken = token; - // If the idToken is a class modifier (protected, private, public, and static), it is - // certain that we are starting to parse class member. This allows better error recovery - // Example: - // public foo() ... // true - // public @dec blah ... // true; we will then report an error later - // export public ... // true; we will then report an error later - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token === 37 /* AsteriskToken */) { - return true; - } - // Try to get the first property-like token following all modifiers. - // This can either be an identifier or the 'get' or 'set' keywords. - if (isLiteralPropertyName()) { - idToken = token; - nextToken(); - } - // Index signatures and computed properties are class members; we can parse. - if (token === 19 /* OpenBracketToken */) { - return true; - } - // If we were able to get any potential identifier... - if (idToken !== undefined) { - // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse. - if (!ts.isKeyword(idToken) || idToken === 129 /* SetKeyword */ || idToken === 123 /* GetKeyword */) { - return true; - } - // If it *is* a keyword, but not an accessor, check a little farther along - // to see if it should actually be parsed as a class member. - switch (token) { - case 17 /* OpenParenToken */: // Method declaration - case 25 /* LessThanToken */: // Generic Method declaration - case 54 /* ColonToken */: // Type Annotation for declaration - case 56 /* EqualsToken */: // Initializer for declaration - case 53 /* QuestionToken */: - return true; - default: - // Covers - // - Semicolons (declaration termination) - // - Closing braces (end-of-class, must be declaration) - // - End-of-files (not valid, but permitted so that it gets caught later on) - // - Line-breaks (enabling *automatic semicolon insertion*) - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(55 /* AtToken */)) { - break; - } - if (!decorators) { - decorators = []; - decorators.pos = decoratorStart; - } - var decorator = createNode(140 /* Decorator */, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - decorators.push(finishNode(decorator)); - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - /* - * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member. - * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect - * and turns it into a standalone declaration), then it is better to parse it and report an error later. - * - * In such situations, 'permitInvalidConstAsModifier' should be set to true. - */ - function parseModifiers(permitInvalidConstAsModifier) { - var flags = 0; - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - if (token === 74 /* ConstKeyword */ && permitInvalidConstAsModifier) { - // We need to ensure that any subsequent modifiers appear on the same line - // so that when 'const' is a standalone declaration, we don't issue an error. - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - if (!modifiers) { - modifiers = []; - modifiers.pos = modifierStart; - } - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - } - if (modifiers) { - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var flags = 0; - var modifiers; - if (token === 118 /* AsyncKeyword */) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - nextToken(); - modifiers = []; - modifiers.pos = modifierStart; - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token === 23 /* SemicolonToken */) { - var result = createNode(194 /* SemicolonClassElement */); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token === 121 /* ConstructorKeyword */) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - // It is very important that we check this *after* checking indexers because - // the [ token can start an index signature or a computed property name - if (ts.tokenIsIdentifierOrKeyword(token) || - token === 9 /* StringLiteral */ || - token === 8 /* NumericLiteral */ || - token === 37 /* AsteriskToken */ || - token === 19 /* OpenBracketToken */) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - // treat this as a property declaration with a missing name. - var name_7 = createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, /*questionToken*/ undefined); - } - // 'isClassMemberStart' should have hinted not to attempt parsing. - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression( - /*fullStart*/ scanner.getStartPos(), - /*decorators*/ undefined, - /*modifiers*/ undefined, 189 /* ClassExpression */); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217 /* ClassDeclaration */); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(73 /* ClassKeyword */); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ true); - if (parseExpected(15 /* OpenBraceToken */)) { - // ClassTail[Yield,Await] : (Modified) See 14.5 - // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } - node.members = parseClassMembers(); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseNameOfClassDeclarationOrExpression() { - // implements is a future reserved word so - // 'class implements' might mean either - // - class expression with omitted name, 'implements' starts heritage clause - // - class with name 'implements' - // 'isImplementsClause' helps to disambiguate between these two cases - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token === 106 /* ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses(isClassHeritageClause) { - // ClassTail[Yield,Await] : (Modified) See 14.5 - // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } - if (isHeritageClause()) { - return parseList(20 /* HeritageClauses */, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */) { - var node = createNode(246 /* HeritageClause */); - node.token = token; - nextToken(); - node.types = parseDelimitedList(7 /* HeritageClauseElement */, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(191 /* ExpressionWithTypeArguments */); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token === 25 /* LessThanToken */) { - node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - return finishNode(node); - } - function isHeritageClause() { - return token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - } - function parseClassMembers() { - return parseList(5 /* ClassMembers */, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(218 /* InterfaceDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(107 /* InterfaceKeyword */); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ false); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(219 /* TypeAliasDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(132 /* TypeKeyword */); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(56 /* EqualsToken */); - node.type = parseType(); - parseSemicolon(); - return finishNode(node); - } - // In an ambient declaration, the grammar only allows integer literals as initializers. - // In a non-ambient declaration, the grammar allows uninitialized members only in a - // ConstantEnumMemberSection, which starts at the beginning of an enum declaration - // or any time an integer literal initializer is encountered. - function parseEnumMember() { - var node = createNode(250 /* EnumMember */, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return finishNode(node); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(220 /* EnumDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(81 /* EnumKeyword */); - node.name = parseIdentifier(); - if (parseExpected(15 /* OpenBraceToken */)) { - node.members = parseDelimitedList(6 /* EnumMembers */, parseEnumMember); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseModuleBlock() { - var node = createNode(222 /* ModuleBlock */, scanner.getStartPos()); - if (parseExpected(15 /* OpenBraceToken */)) { - node.statements = parseList(1 /* BlockStatements */, parseStatement); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(221 /* ModuleDeclaration */, fullStart); - // If we are parsing a dotted namespace name, we want to - // propagate the 'Namespace' flag across the names if set. - var namespaceFlag = flags & 65536 /* Namespace */; - node.decorators = decorators; - setModifiers(node, modifiers); - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(21 /* DotToken */) - ? parseModuleOrNamespaceDeclaration(getNodePos(), /*decorators*/ undefined, /*modifiers*/ undefined, 2 /* Export */ | namespaceFlag) - : parseModuleBlock(); - return finishNode(node); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221 /* ModuleDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (token === 134 /* GlobalKeyword */) { - // parse 'global' as name of global scope augmentation - node.name = parseIdentifier(); - node.flags |= 2097152 /* GlobalAugmentation */; - } - else { - node.name = parseLiteralNode(/*internName*/ true); - } - node.body = parseModuleBlock(); - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = modifiers ? modifiers.flags : 0; - if (token === 134 /* GlobalKeyword */) { - // global augmentation - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(126 /* NamespaceKeyword */)) { - flags |= 65536 /* Namespace */; - } - else { - parseExpected(125 /* ModuleKeyword */); - if (token === 9 /* StringLiteral */) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token === 127 /* RequireKeyword */ && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 17 /* OpenParenToken */; - } - function nextTokenIsSlash() { - return nextToken() === 39 /* SlashToken */; - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(89 /* ImportKeyword */); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token !== 24 /* CommaToken */ && token !== 133 /* FromKeyword */) { - // ImportEquals declaration of type: - // import x = require("mod"); or - // import x = M.x; - var importEqualsDeclaration = createNode(224 /* ImportEqualsDeclaration */, fullStart); - importEqualsDeclaration.decorators = decorators; - setModifiers(importEqualsDeclaration, modifiers); - importEqualsDeclaration.name = identifier; - parseExpected(56 /* EqualsToken */); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return finishNode(importEqualsDeclaration); - } - } - // Import statement - var importDeclaration = createNode(225 /* ImportDeclaration */, fullStart); - importDeclaration.decorators = decorators; - setModifiers(importDeclaration, modifiers); - // ImportDeclaration: - // import ImportClause from ModuleSpecifier ; - // import ModuleSpecifier; - if (identifier || - token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(133 /* FromKeyword */); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - // ImportClause: - // ImportedDefaultBinding - // NameSpaceImport - // NamedImports - // ImportedDefaultBinding, NameSpaceImport - // ImportedDefaultBinding, NamedImports - var importClause = createNode(226 /* ImportClause */, fullStart); - if (identifier) { - // ImportedDefaultBinding: - // ImportedBinding - importClause.name = identifier; - } - // If there was no default import or if there is comma token after default import - // parse namespace or named imports - if (!importClause.name || - parseOptional(24 /* CommaToken */)) { - importClause.namedBindings = token === 37 /* AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(228 /* NamedImports */); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(/*allowReservedWords*/ false); - } - function parseExternalModuleReference() { - var node = createNode(235 /* ExternalModuleReference */); - parseExpected(127 /* RequireKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = parseModuleSpecifier(); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token === 9 /* StringLiteral */) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - // We allow arbitrary expressions here, even though the grammar only allows string - // literals. We check to ensure that it is only a string literal later in the grammar - // check pass. - return parseExpression(); - } - } - function parseNamespaceImport() { - // NameSpaceImport: - // * as ImportedBinding - var namespaceImport = createNode(227 /* NamespaceImport */); - parseExpected(37 /* AsteriskToken */); - parseExpected(116 /* AsKeyword */); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - // NamedImports: - // { } - // { ImportsList } - // { ImportsList, } - // ImportsList: - // ImportSpecifier - // ImportsList, ImportSpecifier - node.elements = parseBracketedList(21 /* ImportOrExportSpecifiers */, kind === 228 /* NamedImports */ ? parseImportSpecifier : parseExportSpecifier, 15 /* OpenBraceToken */, 16 /* CloseBraceToken */); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(233 /* ExportSpecifier */); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(229 /* ImportSpecifier */); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - // ImportSpecifier: - // BindingIdentifier - // IdentifierName as BindingIdentifier - // ExportSpecififer: - // IdentifierName - // IdentifierName as IdentifierName - var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token === 116 /* AsKeyword */) { - node.propertyName = identifierName; - parseExpected(116 /* AsKeyword */); - checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 229 /* ImportSpecifier */ && checkIdentifierIsKeyword) { - // Report error identifier expected - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(231 /* ExportDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(37 /* AsteriskToken */)) { - parseExpected(133 /* FromKeyword */); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(232 /* NamedExports */); - // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios, - // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`) - // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect. - if (token === 133 /* FromKeyword */ || (token === 9 /* StringLiteral */ && !scanner.hasPrecedingLineBreak())) { - parseExpected(133 /* FromKeyword */); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(230 /* ExportAssignment */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(56 /* EqualsToken */)) { - node.isExportEquals = true; - } - else { - parseExpected(77 /* DefaultKeyword */); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ false, 0 /* Standard */, sourceText); - var referencedFiles = []; - var amdDependencies = []; - var amdModuleName; - // Keep scanning all the leading trivia in the file until we get to something that - // isn't trivia. Any single line comment will be analyzed to see if it is a - // reference comment. - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2 /* SingleLineCommentTrivia */) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - referencedFiles.push(fileReference); - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(136 /* QualifiedName */, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(260 /* JSDocRecordType */); - nextToken(); - result.members = parseDelimitedList(24 /* JSDocRecordMembers */, parseJSDocRecordMember); - checkForTrailingComma(result.members); - parseExpected(16 /* CloseBraceToken */); - return finishNode(result); - } - function parseJSDocRecordMember() { - var result = createNode(261 /* JSDocRecordMember */); - result.name = parseSimplePropertyName(); - if (token === 54 /* ColonToken */) { - nextToken(); - result.type = parseJSDocType(); - } - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(259 /* JSDocNonNullableType */); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(257 /* JSDocTupleType */); - nextToken(); - result.types = parseDelimitedList(25 /* JSDocTupleTypes */, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(20 /* CloseBracketToken */); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(256 /* JSDocUnionType */); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(18 /* CloseParenToken */); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = []; - types.pos = firstType.pos; - types.push(firstType); - while (parseOptional(47 /* BarToken */)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(253 /* JSDocAllType */); - nextToken(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - // skip the ? - nextToken(); - // Need to lookahead to decide if this is a nullable or unknown type. - // Here are cases where we'll pick the unknown type: - // - // Foo(?, - // { a: ? } - // Foo(?) - // Foo - // Foo(?= - // (?| - if (token === 24 /* CommaToken */ || - token === 16 /* CloseBraceToken */ || - token === 18 /* CloseParenToken */ || - token === 27 /* GreaterThanToken */ || - token === 56 /* EqualsToken */ || - token === 47 /* BarToken */) { - var result = createNode(254 /* JSDocUnknownType */, pos); - return finishNode(result); - } - else { - var result = createNode(258 /* JSDocNullableType */, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); - sourceFile = { languageVariant: 0 /* Standard */, text: content }; - var jsDocComment = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var result; - // Check for /** (JSDoc opening part) - if (content.charCodeAt(start) === 47 /* slash */ && - content.charCodeAt(start + 1) === 42 /* asterisk */ && - content.charCodeAt(start + 2) === 42 /* asterisk */ && - content.charCodeAt(start + 3) !== 42 /* asterisk */) { - // + 3 for leading /**, - 5 in total for /** */ - scanner.scanRange(start + 3, length - 5, function () { - // Initially we can parse out a tag. We also have seen a starting asterisk. - // This is so that /** * @type */ doesn't parse. - var canParseTag = true; - var seenAsterisk = true; - nextJSDocToken(); - while (token !== 1 /* EndOfFileToken */) { - switch (token) { - case 55 /* AtToken */: - if (canParseTag) { - parseTag(); - } - // This will take us to the end of the line, so it's OK to parse a tag on the next pass through the loop - seenAsterisk = false; - break; - case 4 /* NewLineTrivia */: - // After a line break, we can parse a tag, and we haven't seen an asterisk on the next line yet - canParseTag = true; - seenAsterisk = false; - break; - case 37 /* AsteriskToken */: - if (seenAsterisk) { - // If we've already seen an asterisk, then we can no longer parse a tag on this line - canParseTag = false; - } - // Ignore the first asterisk on a line - seenAsterisk = true; - break; - case 69 /* Identifier */: - // Anything else is doc comment text. We can't do anything with it. Because it - // wasn't a tag, we can no longer parse a tag on this line until we hit the next - // line break. - canParseTag = false; - break; - case 1 /* EndOfFileToken */: - break; - } - nextJSDocToken(); - } - result = createJSDocComment(); - }); - } - return result; - function createJSDocComment() { - if (!tags) { - return undefined; - } - var result = createNode(268 /* JSDocComment */, start); - result.tags = tags; - return finishNode(result, end); - } - function skipWhitespace() { - while (token === 5 /* WhitespaceTrivia */ || token === 4 /* NewLineTrivia */) { - nextJSDocToken(); - } - } - function parseTag() { - ts.Debug.assert(token === 55 /* AtToken */); - var atToken = createNode(55 /* AtToken */, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifier(); - if (!tagName) { - return; - } - var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); - addTag(tag); - } - function handleTag(atToken, tagName) { - if (tagName) { - switch (tagName.text) { - case "param": - return handleParamTag(atToken, tagName); - case "return": - case "returns": - return handleReturnTag(atToken, tagName); - case "template": - return handleTemplateTag(atToken, tagName); - case "type": - return handleTypeTag(atToken, tagName); - } - } - return undefined; - } - function handleUnknownTag(atToken, tagName) { - var result = createNode(269 /* JSDocTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag) { - if (tag) { - if (!tags) { - tags = []; - tags.pos = tag.pos; - } - tags.push(tag); - tags.end = tag.end; - } - } - function tryParseTypeExpression() { - if (token !== 15 /* OpenBraceToken */) { - return undefined; - } - var typeExpression = parseJSDocTypeExpression(); - return typeExpression; - } - function handleParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - // Looking for something like '[foo]' or 'foo' - if (parseOptionalToken(19 /* OpenBracketToken */)) { - name = parseJSDocIdentifier(); - isBracketed = true; - // May have an optional default, e.g. '[foo = 42]' - if (parseOptionalToken(56 /* EqualsToken */)) { - parseExpression(); - } - parseExpected(20 /* CloseBracketToken */); - } - else if (token === 69 /* Identifier */) { - name = parseJSDocIdentifier(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(270 /* JSDocParameterTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function handleReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 271 /* JSDocReturnTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(271 /* JSDocReturnTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 272 /* JSDocTypeTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(272 /* JSDocTypeTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 273 /* JSDocTemplateTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - // Type parameter list looks like '@template T,U,V' - var typeParameters = []; - typeParameters.pos = scanner.getStartPos(); - while (true) { - var name_8 = parseJSDocIdentifier(); - if (!name_8) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(138 /* TypeParameter */, name_8.pos); - typeParameter.name = name_8; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token === 24 /* CommaToken */) { - nextJSDocToken(); - } - else { - break; - } - } - var result = createNode(273 /* JSDocTemplateTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return token = scanner.scanJSDocToken(); - } - function parseJSDocIdentifier() { - if (token !== 69 /* Identifier */) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; - } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(69 /* Identifier */, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; - } - } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - // if the text didn't change, then we can just return our current source file as-is. - return sourceFile; - } - if (sourceFile.statements.length === 0) { - // If we don't have any statements in the current source file, then there's no real - // way to incrementally parse. So just do a full parse instead. - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true); - } - // Make sure we're not trying to incrementally update a source file more than once. Once - // we do an update the original source file is considered unusbale from that point onwards. - // - // This is because we do incremental parsing in-place. i.e. we take nodes from the old - // tree and give them new positions and parents. From that point on, trusting the old - // tree at all is not possible as far too much of it may violate invariants. - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - // Make the actual change larger so that we know to reparse anything whose lookahead - // might have intersected the change. - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - // Ensure that extending the affected range only moved the start of the change range - // earlier in the file. - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - // The is the amount the nodes after the edit range need to be adjusted. It can be - // positive (if the edit added characters), negative (if the edit deleted characters) - // or zero (if this was a pure overwrite with nothing added/removed). - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - // If we added or removed characters during the edit, then we need to go and adjust all - // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they - // may move backward (if we deleted chars). - // - // Doing this helps us out in two ways. First, it means that any nodes/tokens we want - // to reuse are already at the appropriate position in the new text. That way when we - // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes - // it very easy to determine if we can reuse a node. If the node's position is at where - // we are in the text, then we can reuse it. Otherwise we can't. If the node's position - // is ahead of us, then we'll need to rescan tokens. If the node's position is behind - // us, then we'll need to skip it or crumble it as appropriate - // - // We will also adjust the positions of nodes that intersect the change range as well. - // By doing this, we ensure that all the positions in the old tree are consistent, not - // just the positions of nodes entirely before/after the change range. By being - // consistent, we can then easily map from positions to nodes in the old tree easily. - // - // Also, mark any syntax elements that intersect the changed span. We know, up front, - // that we cannot reuse these elements. - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - // Now that we've set up our internal incremental state just proceed and parse the - // source file in the normal fashion. When possible the parser will retrieve and - // reuse nodes from the old tree. - // - // Note: passing in 'true' for setNodeParents is very important. When incrementally - // parsing, we will be reusing nodes from the old tree, and placing it into new - // parents. If we don't set the parents now, we'll end up with an observably - // inconsistent tree. Setting the parents on the new tree should be very fast. We - // will immediately bail out of walking any subtrees when we can see that their parents - // are already correct. - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true); - return result; - } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } - return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - // Ditch any existing LS children we may have created. This way we can avoid - // moving them forward. - if (node._children) { - node._children = undefined; - } - if (node.jsDocComment) { - node.jsDocComment = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { - var node = array_7[_i]; - visitNode(node); - } - } - } - function shouldCheckNode(node) { - switch (node.kind) { - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - case 69 /* Identifier */: - return true; - } - return false; - } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - // We have an element that intersects the change range in some way. It may have its - // start, or its end (or both) in the changed range. We want to adjust any part - // that intersects such that the final tree is in a consistent state. i.e. all - // chlidren have spans within the span of their parent, and all siblings are ordered - // properly. - // We may need to update both the 'pos' and the 'end' of the element. - // If the 'pos' is before the start of the change, then we don't need to touch it. - // If it isn't, then the 'pos' must be inside the change. How we update it will - // depend if delta is positive or negative. If delta is positive then we have - // something like: - // - // -------------------AAA----------------- - // -------------------BBBCCCCCCC----------------- - // - // In this case, we consider any node that started in the change range to still be - // starting at the same position. - // - // however, if the delta is negative, then we instead have something like this: - // - // -------------------XXXYYYYYYY----------------- - // -------------------ZZZ----------------- - // - // In this case, any element that started in the 'X' range will keep its position. - // However any element htat started after that will have their pos adjusted to be - // at the end of the new range. i.e. any node that started in the 'Y' range will - // be adjusted to have their start at the end of the 'Z' range. - // - // The element will keep its position if possible. Or Move backward to the new-end - // if it's in the 'Y' range. - element.pos = Math.min(element.pos, changeRangeNewEnd); - // If the 'end' is after the change range, then we always adjust it by the delta - // amount. However, if the end is in the change range, then how we adjust it - // will depend on if delta is positive or negative. If delta is positive then we - // have something like: - // - // -------------------AAA----------------- - // -------------------BBBCCCCCCC----------------- - // - // In this case, we consider any node that ended inside the change range to keep its - // end position. - // - // however, if the delta is negative, then we instead have something like this: - // - // -------------------XXXYYYYYYY----------------- - // -------------------ZZZ----------------- - // - // In this case, any element that ended in the 'X' range will keep its position. - // However any element htat ended after that will have their pos adjusted to be - // at the end of the new range. i.e. any node that ended in the 'Y' range will - // be adjusted to have their end at the end of the 'Z' range. - if (element.end >= changeRangeOldEnd) { - // Element ends after the change range. Always adjust the end pos. - element.end += delta; - } - else { - // Element ends in the change range. The element will keep its position if - // possible. Or Move backward to the new-end if it's in the 'Y' range. - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); - } - } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } - } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - // Node is entirely past the change range. We need to move both its pos and - // end, forward or backward appropriately. - moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); - return; - } - // Check if the element intersects the change range. If it does, then it is not - // reusable. Also, we'll need to recurse to see what constituent portions we may - // be able to use. - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - // Adjust the pos or end (or both) of the intersecting element accordingly. - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - // Otherwise, the node is entirely before the change range. No need to do anything with it. - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - // Array is entirely after the change range. We need to move it, and move any of - // its children. - moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); - return; - } - // Check if the element intersects the change range. If it does, then it is not - // reusable. Also, we'll need to recurse to see what constituent portions we may - // be able to use. - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - // Adjust the pos or end (or both) of the intersecting array accordingly. - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { - var node = array_8[_i]; - visitNode(node); - } - return; - } - // Otherwise, the array is entirely before the change range. No need to do anything with it. - ts.Debug.assert(fullEnd < changeStart); - } - } - function extendToAffectedRange(sourceFile, changeRange) { - // Consider the following code: - // void foo() { /; } - // - // If the text changes with an insertion of / just before the semicolon then we end up with: - // void foo() { //; } - // - // If we were to just use the changeRange a is, then we would not rescan the { token - // (as it does not intersect the actual original change range). Because an edit may - // change the token touching it, we actually need to look back *at least* one token so - // that the prior token sees that change. - var maxLookahead = 1; - var start = changeRange.span.start; - // the first iteration aligns us with the change start. subsequent iteration move us to - // the left by maxLookahead tokens. We only need to do this as long as we're not at the - // start of the tree. - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); - } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - // Missing nodes are effectively invisible to us. We never even consider them - // When trying to find the nearest node before us. - return; - } - // If the child intersects this position, then this node is currently the nearest - // node that starts before the position. - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - // This node starts before the position, and is closer to the position than - // the previous best node we found. It is now the new best node. - bestResult = child; - } - // Now, the node may overlap the position, or it may end entirely before the - // position. If it overlaps with the position, then either it, or one of its - // children must be the nearest node before the position. So we can just - // recurse into this child to see if we can find something better. - if (position < child.end) { - // The nearest node is either this child, or one of the children inside - // of it. We've already marked this child as the best so far. Recurse - // in case one of the children is better. - forEachChild(child, visit); - // Once we look at the children of this node, then there's no need to - // continue any further. - return true; - } - else { - ts.Debug.assert(child.end <= position); - // The child ends entirely before this position. Say you have the following - // (where $ is the position) - // - // ? $ : <...> <...> - // - // We would want to find the nearest preceding node in "complex expr 2". - // To support that, we keep track of this node, and once we're done searching - // for a best node, we recurse down this node to see if we can find a good - // result in it. - // - // This approach allows us to quickly skip over nodes that are entirely - // before the position, while still allowing us to find any nodes in the - // last one that might be what we want. - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - // We're now at a node that is entirely past the position we're searching for. - // This node (and all following nodes) could never contribute to the result, - // so just skip them by returning 'true' here. - return true; - } - } - } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } - } - } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1 /* Value */; - return { - currentNode: function (position) { - // Only compute the current node if the position is different than the last time - // we were asked. The parser commonly asks for the node at the same position - // twice. Once to know if can read an appropriate list element at a certain point, - // and then to actually read and consume the node. - if (position !== lastQueriedPosition) { - // Much of the time the parser will need the very next node in the array that - // we just returned a node from.So just simply check for that case and move - // forward in the array instead of searching for the node again. - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - // If we don't have a node, or the node we have isn't in the right position, - // then try to find a viable node at the position requested. - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - // Cache this query so that we don't do any extra work if the parser calls back - // into us. Note: this is very common as the parser will make pairs of calls like - // 'isListElement -> parseListElement'. If we were unable to find a node when - // called with 'isListElement', we don't want to redo the work when parseListElement - // is called immediately after. - lastQueriedPosition = position; - // Either we don'd have a node, or we have a node at the position being asked for. - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - // Finds the highest element in the tree we can find that starts at the provided position. - // The element must be a direct child of some node list in the tree. This way after we - // return it, we can easily return its next sibling in the list. - function findHighestListElementThatStartsAtPosition(position) { - // Clear out any cached state about the last node we found. - currentArray = undefined; - currentArrayIndex = -1 /* Value */; - current = undefined; - // Recurse into the source file to find the highest node at this position. - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - // Position was within this node. Keep searching deeper to find the node. - forEachChild(node, visitNode, visitArray); - // don't procede any futher in the search. - return true; - } - // position wasn't in this node, have to keep searching. - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - // position was in this array. Search through this array to see if we find a - // viable element. - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - // Found the right node. We're done. - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - // Position in somewhere within this child. Search in it and - // stop searching in this array. - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - // position wasn't in this array, have to keep searching. - return false; - } - } - } - var InvalidPosition; - (function (InvalidPosition) { - InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; - })(InvalidPosition || (InvalidPosition = {})); - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -/// -/// -/* @internal */ -var ts; -(function (ts) { - ts.bindTime = 0; - (function (ModuleInstanceState) { - ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; - ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; - ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; - })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); - var ModuleInstanceState = ts.ModuleInstanceState; - var Reachability; - (function (Reachability) { - Reachability[Reachability["Unintialized"] = 1] = "Unintialized"; - Reachability[Reachability["Reachable"] = 2] = "Reachable"; - Reachability[Reachability["Unreachable"] = 4] = "Unreachable"; - Reachability[Reachability["ReportedUnreachable"] = 8] = "ReportedUnreachable"; - })(Reachability || (Reachability = {})); - function or(state1, state2) { - return (state1 | state2) & 2 /* Reachable */ - ? 2 /* Reachable */ - : (state1 & state2) & 8 /* ReportedUnreachable */ - ? 8 /* ReportedUnreachable */ - : 4 /* Unreachable */; - } - function getModuleInstanceState(node) { - // A module is uninstantiated if it contains only - // 1. interface declarations, type alias declarations - if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 219 /* TypeAliasDeclaration */) { - return 0 /* NonInstantiated */; - } - else if (ts.isConstEnumDeclaration(node)) { - return 2 /* ConstEnumOnly */; - } - else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && !(node.flags & 2 /* Export */)) { - return 0 /* NonInstantiated */; - } - else if (node.kind === 222 /* ModuleBlock */) { - var state_1 = 0 /* NonInstantiated */; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0 /* NonInstantiated */: - // child is non-instantiated - continue searching - return false; - case 2 /* ConstEnumOnly */: - // child is const enum only - record state and continue searching - state_1 = 2 /* ConstEnumOnly */; - return false; - case 1 /* Instantiated */: - // child is instantiated - record state and stop - state_1 = 1 /* Instantiated */; - return true; - } - }); - return state_1; - } - else if (node.kind === 221 /* ModuleDeclaration */) { - return getModuleInstanceState(node.body); - } - else { - return 1 /* Instantiated */; - } - } - ts.getModuleInstanceState = getModuleInstanceState; - var ContainerFlags; - (function (ContainerFlags) { - // The current node is not a container, and no container manipulation should happen before - // recursing into it. - ContainerFlags[ContainerFlags["None"] = 0] = "None"; - // The current node is a container. It should be set as the current container (and block- - // container) before recursing into it. The current node does not have locals. Examples: - // - // Classes, ObjectLiterals, TypeLiterals, Interfaces... - ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; - // The current node is a block-scoped-container. It should be set as the current block- - // container before recursing into it. Examples: - // - // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements... - ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; - ContainerFlags[ContainerFlags["HasLocals"] = 4] = "HasLocals"; - // If the current node is a container that also container that also contains locals. Examples: - // - // Functions, Methods, Modules, Source-files. - ContainerFlags[ContainerFlags["IsContainerWithLocals"] = 5] = "IsContainerWithLocals"; - })(ContainerFlags || (ContainerFlags = {})); - var binder = createBinder(); - function bindSourceFile(file, options) { - var start = new Date().getTime(); - binder(file, options); - ts.bindTime += new Date().getTime() - start; - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - // state used by reachability checks - var hasExplicitReturn; - var currentReachabilityState; - var labelStack; - var labelIndexMap; - var implicitLabels; - // state used for emit helpers - var hasClassExtends; - var hasAsyncFunctions; - var hasDecorators; - var hasParameterDecorators; - // If this file is an external module, then it is automatically in strict-mode according to - // ES6. If it is not an external module, then we'll determine if it is in strict mode or - // not depending on if we see "use strict" in certain places (or if we hit a class/namespace). - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - function bindSourceFile(f, opts) { - file = f; - options = opts; - inStrictMode = !!file.externalModuleIndicator; - classifiableNames = {}; - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; - } - file = undefined; - options = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - hasExplicitReturn = false; - labelStack = undefined; - labelIndexMap = undefined; - implicitLabels = undefined; - hasClassExtends = false; - hasAsyncFunctions = false; - hasDecorators = false; - hasParameterDecorators = false; - } - return bindSourceFile; - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; - } - symbol.declarations.push(node); - if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { - symbol.exports = {}; - } - if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { - symbol.members = {}; - } - if (symbolFlags & 107455 /* Value */) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221 /* ModuleDeclaration */)) { - // other kinds of value declarations take precedence over modules - symbol.valueDeclaration = node; - } - } - } - // Should not be called on a declaration with a computed property name, - // unless it is a well known Symbol. - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 137 /* ComputedPropertyName */) { - var nameExpression = node.name.expression; - // treat computed property names where expression is string/numeric literal as just string/numeric literal - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); - } - return node.name.text; - } - switch (node.kind) { - case 145 /* Constructor */: - return "__constructor"; - case 153 /* FunctionType */: - case 148 /* CallSignature */: - return "__call"; - case 154 /* ConstructorType */: - case 149 /* ConstructSignature */: - return "__new"; - case 150 /* IndexSignature */: - return "__index"; - case 231 /* ExportDeclaration */: - return "__export"; - case 230 /* ExportAssignment */: - return node.isExportEquals ? "export=" : "default"; - case 184 /* BinaryExpression */: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2 /* ModuleExports */: - // module.exports = ... - return "export="; - case 1 /* ExportsProperty */: - case 4 /* ThisProperty */: - // exports.x = ... or this.y = ... - return node.left.name.text; - case 3 /* PrototypeProperty */: - // className.prototype.methodName = ... - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 216 /* FunctionDeclaration */: - case 217 /* ClassDeclaration */: - return node.flags & 512 /* Default */ ? "default" : undefined; - case 264 /* JSDocFunctionType */: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 139 /* Parameter */: - // Parameters with names are handled at the top of this function. Parameters - // without names can only come from JSDocFunctionTypes. - ts.Debug.assert(node.parent.kind === 264 /* JSDocFunctionType */); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "p" + index; - } - } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); - } - /** - * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. - * @param symbolTable - The symbol table which node will be added to. - * @param parent - node's parent declaration. - * @param node - The declaration to be added to the symbol table - * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) - * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. - */ - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = node.flags & 512 /* Default */; - // The exported symbol for an export default function/class node is always named "default" - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name !== undefined) { - // Check and see if the symbol table already has a symbol with this name. If not, - // create a new symbol with this name and add it to the table. Note that we don't - // give the new symbol any flags *yet*. This ensures that it will not conflict - // with the 'excludes' flags we pass in. - // - // If we do get an existing symbol, see if it conflicts with the new symbol we're - // creating. For example, a 'var' symbol and a 'class' symbol will conflict within - // the same symbol table. If we have a conflict, report the issue on each - // declaration we have for this symbol, and then create a new symbol for this - // declaration. - // - // If we created a new symbol, either because we didn't have a symbol with this name - // in the symbol table, or we conflicted with an existing symbol, then just add this - // node as the sole declaration of the new symbol. - // - // Otherwise, we'll be merging into a compatible existing symbol (for example when - // you have multiple 'vars' with the same name in the same container). In this case - // just add this node into the declarations list of the symbol. - symbol = ts.hasProperty(symbolTable, name) - ? symbolTable[name] - : (symbolTable[name] = createSymbol(0 /* None */, name)); - if (name && (includes & 788448 /* Classifiable */)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (node.name) { - node.name.parent = node; - } - // Report errors every position with duplicate declaration - // Report errors on previous encountered declarations - var message_1 = symbol.flags & 2 /* BlockScopedVariable */ - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.flags & 512 /* Default */) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - }); - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0 /* None */, name); - } - } - else { - symbol = createSymbol(0 /* None */, "__missing"); - } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; - } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; - if (symbolFlags & 8388608 /* Alias */) { - if (node.kind === 233 /* ExportSpecifier */ || (node.kind === 224 /* ImportEqualsDeclaration */ && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - else { - // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, - // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set - // on it. There are 2 main reasons: - // - // 1. We treat locals and exports of the same name as mutually exclusive within a container. - // That means the binder will issue a Duplicate Identifier error if you mix locals and exports - // with the same name in the same container. - // TODO: Make this a more specific error and decouple it from the exclusion logic. - // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, - // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way - // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. - // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge - // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation - // and this case is specially handled. Module augmentations should only be merged with original module definition - // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072 /* ExportContext */)) { - var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | - (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | - (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - } - // All container nodes are kept on a linked list in declaration order. This list is used by - // the getLocalNameOfContainer function in the type checker to validate that the local name - // used for a container is unique. - function bindChildren(node) { - // Before we recurse into a node's chilren, we first save the existing parent, container - // and block-container. Then after we pop out of processing the children, we restore - // these saved values. - var saveParent = parent; - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - // This node will now be set as the parent of all of its children as we recurse into them. - parent = node; - // Depending on what kind of node this is, we may have to adjust the current container - // and block-container. If the current node is a container, then it is automatically - // considered the current block-container as well. Also, for containers that we know - // may contain locals, we proactively initialize the .locals field. We do this because - // it's highly likely that the .locals will be needed to place some child in (for example, - // a parameter, or variable declaration). - // - // However, we do not proactively create the .locals for block-containers because it's - // totally normal and common for block-containers to never actually have a block-scoped - // variable in them. We don't want to end up allocating an object for every 'block' we - // run into when most of them won't be necessary. - // - // Finally, if this is a block-container, then we clear out any existing .locals object - // it may contain within it. This happens in incremental scenarios. Because we can be - // reusing a node from a previous compilation, that node may have had 'locals' created - // for it. We must clear this so we don't accidently move any stale data forward from - // a previous compilation. - var containerFlags = getContainerFlags(node); - if (containerFlags & 1 /* IsContainer */) { - container = blockScopeContainer = node; - if (containerFlags & 4 /* HasLocals */) { - container.locals = {}; - } - addToContainerChain(container); - } - else if (containerFlags & 2 /* IsBlockScopedContainer */) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; - } - var savedReachabilityState; - var savedLabelStack; - var savedLabels; - var savedImplicitLabels; - var savedHasExplicitReturn; - var kind = node.kind; - var flags = node.flags; - // reset all reachability check related flags on node (for incremental scenarios) - flags &= ~1572864 /* ReachabilityCheckFlags */; - // reset all emit helper flags on node (for incremental scenarios) - flags &= ~62914560 /* EmitHelperFlags */; - if (kind === 218 /* InterfaceDeclaration */) { - seenThisKeyword = false; - } - var saveState = kind === 251 /* SourceFile */ || kind === 222 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); - if (saveState) { - savedReachabilityState = currentReachabilityState; - savedLabelStack = labelStack; - savedLabels = labelIndexMap; - savedImplicitLabels = implicitLabels; - savedHasExplicitReturn = hasExplicitReturn; - currentReachabilityState = 2 /* Reachable */; - hasExplicitReturn = false; - labelStack = labelIndexMap = implicitLabels = undefined; - } - if (ts.isInJavaScriptFile(node) && node.jsDocComment) { - bind(node.jsDocComment); - } - bindReachableStatement(node); - if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { - flags |= 524288 /* HasImplicitReturn */; - if (hasExplicitReturn) { - flags |= 1048576 /* HasExplicitReturn */; - } - } - if (kind === 218 /* InterfaceDeclaration */) { - flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; - } - if (kind === 251 /* SourceFile */) { - if (hasClassExtends) { - flags |= 4194304 /* HasClassExtends */; - } - if (hasDecorators) { - flags |= 8388608 /* HasDecorators */; - } - if (hasParameterDecorators) { - flags |= 16777216 /* HasParamDecorators */; - } - if (hasAsyncFunctions) { - flags |= 33554432 /* HasAsyncFunctions */; - } - } - node.flags = flags; - if (saveState) { - hasExplicitReturn = savedHasExplicitReturn; - currentReachabilityState = savedReachabilityState; - labelStack = savedLabelStack; - labelIndexMap = savedLabels; - implicitLabels = savedImplicitLabels; - } - container = saveContainer; - parent = saveParent; - blockScopeContainer = savedBlockScopeContainer; - } - /** - * Returns true if node and its subnodes were successfully traversed. - * Returning false means that node was not examined and caller needs to dive into the node himself. - */ - function bindReachableStatement(node) { - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; - } - switch (node.kind) { - case 201 /* WhileStatement */: - bindWhileStatement(node); - break; - case 200 /* DoStatement */: - bindDoStatement(node); - break; - case 202 /* ForStatement */: - bindForStatement(node); - break; - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - bindForInOrForOfStatement(node); - break; - case 199 /* IfStatement */: - bindIfStatement(node); - break; - case 207 /* ReturnStatement */: - case 211 /* ThrowStatement */: - bindReturnOrThrow(node); - break; - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - bindBreakOrContinueStatement(node); - break; - case 212 /* TryStatement */: - bindTryStatement(node); - break; - case 209 /* SwitchStatement */: - bindSwitchStatement(node); - break; - case 223 /* CaseBlock */: - bindCaseBlock(node); - break; - case 210 /* LabeledStatement */: - bindLabeledStatement(node); - break; - default: - ts.forEachChild(node, bind); - break; - } - } - function bindWhileStatement(n) { - var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - // bind expressions (don't affect reachability) - bind(n.expression); - currentReachabilityState = preWhileState; - var postWhileLabel = pushImplicitLabel(); - bind(n.statement); - popImplicitLabel(postWhileLabel, postWhileState); - } - function bindDoStatement(n) { - var preDoState = currentReachabilityState; - var postDoLabel = pushImplicitLabel(); - bind(n.statement); - var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; - popImplicitLabel(postDoLabel, postDoState); - // bind expressions (don't affect reachability) - bind(n.expression); - } - function bindForStatement(n) { - var preForState = currentReachabilityState; - var postForLabel = pushImplicitLabel(); - // bind expressions (don't affect reachability) - bind(n.initializer); - bind(n.condition); - bind(n.incrementor); - bind(n.statement); - // for statement is considered infinite when it condition is either omitted or is true keyword - // - for(..;;..) - // - for(..;true;..) - var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); - var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; - popImplicitLabel(postForLabel, postForState); - } - function bindForInOrForOfStatement(n) { - var preStatementState = currentReachabilityState; - var postStatementLabel = pushImplicitLabel(); - // bind expressions (don't affect reachability) - bind(n.initializer); - bind(n.expression); - bind(n.statement); - popImplicitLabel(postStatementLabel, preStatementState); - } - function bindIfStatement(n) { - // denotes reachability state when entering 'thenStatement' part of the if statement: - // i.e. if condition is false then thenStatement is unreachable - var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - // denotes reachability state when entering 'elseStatement': - // i.e. if condition is true then elseStatement is unreachable - var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - currentReachabilityState = ifTrueState; - // bind expression (don't affect reachability) - bind(n.expression); - bind(n.thenStatement); - if (n.elseStatement) { - var preElseState = currentReachabilityState; - currentReachabilityState = ifFalseState; - bind(n.elseStatement); - currentReachabilityState = or(currentReachabilityState, preElseState); - } - else { - currentReachabilityState = or(currentReachabilityState, ifFalseState); - } - } - function bindReturnOrThrow(n) { - // bind expression (don't affect reachability) - bind(n.expression); - if (n.kind === 207 /* ReturnStatement */) { - hasExplicitReturn = true; - } - currentReachabilityState = 4 /* Unreachable */; - } - function bindBreakOrContinueStatement(n) { - // call bind on label (don't affect reachability) - bind(n.label); - // for continue case touch label so it will be marked a used - var isValidJump = jumpToLabel(n.label, n.kind === 206 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); - if (isValidJump) { - currentReachabilityState = 4 /* Unreachable */; - } - } - function bindTryStatement(n) { - // catch\finally blocks has the same reachability as try block - var preTryState = currentReachabilityState; - bind(n.tryBlock); - var postTryState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.catchClause); - var postCatchState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.finallyBlock); - // post catch/finally state is reachable if - // - post try state is reachable - control flow can fall out of try block - // - post catch state is reachable - control flow can fall out of catch block - currentReachabilityState = or(postTryState, postCatchState); - } - function bindSwitchStatement(n) { - var preSwitchState = currentReachabilityState; - var postSwitchLabel = pushImplicitLabel(); - // bind expression (don't affect reachability) - bind(n.expression); - bind(n.caseBlock); - var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245 /* DefaultClause */; }); - // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case - var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; - popImplicitLabel(postSwitchLabel, postSwitchState); - } - function bindCaseBlock(n) { - var startState = currentReachabilityState; - for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { - var clause = _a[_i]; - currentReachabilityState = startState; - bind(clause); - if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); - } - } - } - function bindLabeledStatement(n) { - // call bind on label (don't affect reachability) - bind(n.label); - var ok = pushNamedLabel(n.label); - bind(n.statement); - if (ok) { - popNamedLabel(n.label, currentReachabilityState); - } - } - function getContainerFlags(node) { - switch (node.kind) { - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 156 /* TypeLiteral */: - case 260 /* JSDocRecordType */: - return 1 /* IsContainer */; - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 216 /* FunctionDeclaration */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 221 /* ModuleDeclaration */: - case 251 /* SourceFile */: - case 219 /* TypeAliasDeclaration */: - return 5 /* IsContainerWithLocals */; - case 247 /* CatchClause */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 223 /* CaseBlock */: - return 2 /* IsBlockScopedContainer */; - case 195 /* Block */: - // do not treat blocks directly inside a function as a block-scoped-container. - // Locals that reside in this block should go to the function locals. Othewise 'x' - // would not appear to be a redeclaration of a block scoped local in the following - // example: - // - // function foo() { - // var x; - // let x; - // } - // - // If we placed 'var x' into the function locals and 'let x' into the locals of - // the block, then there would be no collision. - // - // By not creating a new block-scoped-container here, we ensure that both 'var x' - // and 'let x' go into the Function-container's locals, and we do get a collision - // conflict. - return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; - } - return 0 /* None */; - } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; - } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - // Just call this directly so that the return type of this function stays "void". - declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); - } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - // Modules, source files, and classes need specialized handling for how their - // members are declared (for example, a member of a class will go into a specific - // symbol table depending on if it is static or not). We defer to specialized - // handlers to take care of declaring these child members. - case 221 /* ModuleDeclaration */: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 251 /* SourceFile */: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 220 /* EnumDeclaration */: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 156 /* TypeLiteral */: - case 168 /* ObjectLiteralExpression */: - case 218 /* InterfaceDeclaration */: - case 260 /* JSDocRecordType */: - // Interface/Object-types always have their children added to the 'members' of - // their container. They are only accessible through an instance of their - // container, and are never in scope otherwise (even inside the body of the - // object / type / interface declaring them). An exception is type parameters, - // which are in scope without qualification (similar to 'locals'). - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 264 /* JSDocFunctionType */: - case 219 /* TypeAliasDeclaration */: - // All the children of these container types are never visible through another - // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, - // they're only accessed 'lexically' (i.e. from code that exists underneath - // their container in the tree. To accomplish this, we simply add their declared - // symbol to the 'locals' of the container. These symbols can then be found as - // the type checker walks up the containers, checking them for matching names. - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return node.flags & 64 /* Static */ - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 251 /* SourceFile */ ? node : node.body; - if (body.kind === 251 /* SourceFile */ || body.kind === 222 /* ModuleBlock */) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 231 /* ExportDeclaration */ || stat.kind === 230 /* ExportAssignment */) { - return true; - } - } - } - return false; - } - function setExportContextFlag(node) { - // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular - // declarations with export modifiers) is an export context in which declarations are implicitly exported. - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 131072 /* ExportContext */; - } - else { - node.flags &= ~131072 /* ExportContext */; - } - } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (node.flags & 2 /* Export */) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); - } - else { - var state = getModuleInstanceState(node); - if (state === 0 /* NonInstantiated */) { - declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); - } - else { - declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); - if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { - // if module was already merged with some function, class or non-const enum - // treat is a non-const-enum-only - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; - if (node.symbol.constEnumOnlyModule === undefined) { - // non-merged case - use the current state - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - // merged case: module is const enum only if all its pieces are non-instantiated or const enum - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } - } - } - function bindFunctionOrConstructorType(node) { - // For a given function symbol "<...>(...) => T" we want to generate a symbol identical - // to the one we would get for: { <...>(...): T } - // - // We do that by making an anonymous type literal symbol, and then setting the function - // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable - // from an actual type literal symbol you would have gotten had you used the long form. - var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072 /* Signature */); - var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); - typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); - var _a; - } - function bindObjectLiteralExpression(node) { - var ElementKind; - (function (ElementKind) { - ElementKind[ElementKind["Property"] = 1] = "Property"; - ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; - })(ElementKind || (ElementKind = {})); - if (inStrictMode) { - var seen = {}; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 69 /* Identifier */) { - continue; - } - var identifier = prop.name; - // ECMA-262 11.1.5 Object Initialiser - // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true - // a.This production is contained in strict code and IsDataDescriptor(previous) is true and - // IsDataDescriptor(propId.descriptor) is true. - // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. - // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. - // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true - // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields - var currentKind = prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */ || prop.kind === 144 /* MethodDeclaration */ - ? 1 /* Property */ - : 2 /* Accessor */; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { - var span = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } - } - } - return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); - } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); - } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 221 /* ModuleDeclaration */: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 251 /* SourceFile */: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - // fall through. - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = {}; - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); - } - // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized - // check for reserved words used as identifiers in strict mode code. - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && - node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && - !ts.isIdentifierName(node)) { - // Report error only if there are no parse errors in file - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } - } - function getStrictModeIdentifierMessage(node) { - // Provide specialized messages to help the user understand why we think they're in - // strict mode. - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; - } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an - // Assignment operator(11.13) or of a PostfixExpression(11.3) - checkStrictModeEvalOrArguments(node, node.left); - } - } - function checkStrictModeCatchClause(node) { - // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the - // Catch production is eval or arguments - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } - } - function checkStrictModeDeleteExpression(node) { - // Grammar checking - if (inStrictMode && node.expression.kind === 69 /* Identifier */) { - // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its - // UnaryExpression is a direct reference to a variable, function argument, or function name - var span = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); - } - } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 69 /* Identifier */ && - (node.text === "eval" || node.text === "arguments"); - } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 69 /* Identifier */) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - // We check first if the name is inside class declaration or class expression; if so give explicit message - // otherwise report generic error message. - var span = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); - } - } - } - function getStrictModeEvalOrArgumentsMessage(node) { - // Provide specialized messages to help the user understand why we think they're in - // strict mode. - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; - } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) - checkStrictModeEvalOrArguments(node, node.name); - } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.flags & 32768 /* OctalLiteral */) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); - } - } - function checkStrictModePostfixUnaryExpression(node) { - // Grammar checking - // The identifier eval or arguments may not appear as the LeftHandSideExpression of an - // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression - // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - function checkStrictModePrefixUnaryExpression(node) { - // Grammar checking - if (inStrictMode) { - if (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - } - function checkStrictModeWithStatement(node) { - // Grammar checking for withStatement - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); - } - } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); - } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); - } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var savedInStrictMode = inStrictMode; - if (!savedInStrictMode) { - updateStrictMode(node); - } - // First we bind declaration nodes to a symbol if possible. We'll both create a symbol - // and then potentially add the symbol to an appropriate symbol table. Possible - // destination symbol tables are: - // - // 1) The 'exports' table of the current container's symbol. - // 2) The 'members' table of the current container's symbol. - // 3) The 'locals' table of the current container. - // - // However, not all symbols will end up in any of these tables. 'Anonymous' symbols - // (like TypeLiterals for example) will not be put in any table. - bindWorker(node); - // Then we recurse into the children of the node to bind them as well. For certain - // symbols we do specialized work when we recurse. For example, we'll keep track of - // the current 'container' node when it changes. This helps us know which symbol table - // a local should go into for example. - bindChildren(node); - inStrictMode = savedInStrictMode; - } - function updateStrictMode(node) { - switch (node.kind) { - case 251 /* SourceFile */: - case 222 /* ModuleBlock */: - updateStrictModeStatementList(node.statements); - return; - case 195 /* Block */: - if (ts.isFunctionLike(node.parent)) { - updateStrictModeStatementList(node.statements); - } - return; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // All classes are automatically in strict mode in ES6. - inStrictMode = true; - return; - } - } - function updateStrictModeStatementList(statements) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } - } - /// Should be called only on prologue directives (isPrologueDirective(node) should be true) - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the - // string to contain unicode escapes (as per ES5). - return nodeText === "\"use strict\"" || nodeText === "'use strict'"; - } - function bindWorker(node) { - switch (node.kind) { - /* Strict mode checks */ - case 69 /* Identifier */: - return checkStrictModeIdentifier(node); - case 184 /* BinaryExpression */: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1 /* ExportsProperty */: - bindExportsPropertyAssignment(node); - break; - case 2 /* ModuleExports */: - bindModuleExportsAssignment(node); - break; - case 3 /* PrototypeProperty */: - bindPrototypePropertyAssignment(node); - break; - case 4 /* ThisProperty */: - bindThisPropertyAssignment(node); - break; - case 0 /* None */: - // Nothing to do - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 247 /* CatchClause */: - return checkStrictModeCatchClause(node); - case 178 /* DeleteExpression */: - return checkStrictModeDeleteExpression(node); - case 8 /* NumericLiteral */: - return checkStrictModeNumericLiteral(node); - case 183 /* PostfixUnaryExpression */: - return checkStrictModePostfixUnaryExpression(node); - case 182 /* PrefixUnaryExpression */: - return checkStrictModePrefixUnaryExpression(node); - case 208 /* WithStatement */: - return checkStrictModeWithStatement(node); - case 162 /* ThisType */: - seenThisKeyword = true; - return; - case 151 /* TypePredicate */: - return checkTypePredicate(node); - case 138 /* TypeParameter */: - return declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 530912 /* TypeParameterExcludes */); - case 139 /* Parameter */: - return bindParameter(node); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return bindVariableDeclarationOrBindingElement(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 261 /* JSDocRecordMember */: - return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), 107455 /* PropertyExcludes */); - case 248 /* PropertyAssignment */: - case 249 /* ShorthandPropertyAssignment */: - return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 107455 /* PropertyExcludes */); - case 250 /* EnumMember */: - return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */); - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - // If this is an ObjectLiteralExpression method, then it sits in the same space - // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes - // so that it will conflict with any other object literal members with the same - // name. - return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */); - case 216 /* FunctionDeclaration */: - return bindFunctionDeclaration(node); - case 145 /* Constructor */: - return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */); - case 146 /* GetAccessor */: - return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */); - case 147 /* SetAccessor */: - return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 264 /* JSDocFunctionType */: - return bindFunctionOrConstructorType(node); - case 156 /* TypeLiteral */: - case 260 /* JSDocRecordType */: - return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type"); - case 168 /* ObjectLiteralExpression */: - return bindObjectLiteralExpression(node); - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return bindFunctionExpression(node); - case 171 /* CallExpression */: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - // Members of classes, interfaces, and modules - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - return bindClassLikeDeclaration(node); - case 218 /* InterfaceDeclaration */: - return bindBlockScopedDeclaration(node, 64 /* Interface */, 792960 /* InterfaceExcludes */); - case 219 /* TypeAliasDeclaration */: - return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793056 /* TypeAliasExcludes */); - case 220 /* EnumDeclaration */: - return bindEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return bindModuleDeclaration(node); - // Imports and exports - case 224 /* ImportEqualsDeclaration */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); - case 226 /* ImportClause */: - return bindImportClause(node); - case 231 /* ExportDeclaration */: - return bindExportDeclaration(node); - case 230 /* ExportAssignment */: - return bindExportAssignment(node); - case 251 /* SourceFile */: - return bindSourceFileIfExternalModule(); - } - } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 69 /* Identifier */) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 162 /* ThisType */) { - seenThisKeyword = true; - } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); - } - } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\""); - } - function bindExportAssignment(node) { - var boundExpression = node.kind === 230 /* ExportAssignment */ ? node.expression : node.right; - if (!container.symbol || !container.symbol.exports) { - // Export assignment in some sort of block construct - bindAnonymousDeclaration(node, 8388608 /* Alias */, getDeclarationName(node)); - } - else if (boundExpression.kind === 69 /* Identifier */ && node.kind === 230 /* ExportAssignment */) { - // An export default clause with an identifier exports all meanings of that identifier - declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* Alias */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); - } - else { - // An export default clause with an expression exports a value - declareSymbol(container.symbol.exports, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); - } - } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - // Export * in some sort of block construct - bindAnonymousDeclaration(node, 1073741824 /* ExportStar */, getDeclarationName(node)); - } - else if (!node.exportClause) { - // All export * declarations are collected in an __export symbol - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824 /* ExportStar */, 0 /* None */); - } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); - } - } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - bindSourceFileAsExternalModule(); - } - } - function bindExportsPropertyAssignment(node) { - // When we create a property via 'exports.foo = bar', the 'exports.foo' property access - // expression is the declaration - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 /* Property */ | 7340032 /* Export */, 0 /* None */); - } - function bindModuleExportsAssignment(node) { - // 'module.exports = expr' assignment - setCommonJsModuleIndicator(node); - bindExportAssignment(node); - } - function bindThisPropertyAssignment(node) { - // Declare a 'member' in case it turns out the container was an ES5 class - if (container.kind === 176 /* FunctionExpression */ || container.kind === 216 /* FunctionDeclaration */) { - container.symbol.members = container.symbol.members || {}; - // It's acceptable for multiple 'this' assignments of the same identifier to occur - declareSymbol(container.symbol.members, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ & ~4 /* Property */); - } - } - function bindPrototypePropertyAssignment(node) { - // We saw a node of the form 'x.prototype.y = z'. Declare a 'member' y on x if x was a function. - // Look up the function in the local scope, since prototype assignments should - // follow the function declaration - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - // Fix up parent pointers since we're going to use these nodes before we bind into them - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16 /* Function */)) { - return; - } - // Set up the members collection if it doesn't exist already - if (!funcSymbol.members) { - funcSymbol.members = {}; - } - // Declare the method/property - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4 /* Property */, 107455 /* PropertyExcludes */); - } - function bindCallExpression(node) { - // We're only inspecting call expressions to detect CommonJS modules, so we can skip - // this check if we've already seen the module indicator - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ false)) { - setCommonJsModuleIndicator(node); - } - } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - hasClassExtends = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - if (node.kind === 217 /* ClassDeclaration */) { - bindBlockScopedDeclaration(node, 32 /* Class */, 899519 /* ClassExcludes */); - } - else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32 /* Class */, bindingName); - // Add name of class expression into the map for semantic classifier - if (node.name) { - classifiableNames[node.name.text] = node.name.text; - } - } - var symbol = node.symbol; - // TypeScript 1.0 spec (April 2014): 8.4 - // Every class automatically contains a static property member named 'prototype', the - // type of which is an instantiation of the class type with type Any supplied as a type - // argument for each type parameter. It is an error to explicitly declare a static - // property member with the name 'prototype'. - // - // Note: we check for this here because this class may be merging into a module. The - // module might have an exported variable called 'prototype'. We can't allow that as - // that would clash with the built-in 'prototype' for the class. - var prototypeSymbol = createSymbol(4 /* Property */ | 134217728 /* Prototype */, "prototype"); - if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { - if (node.name) { - node.name.parent = node; - } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); - } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; - } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */) - : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */); - } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - // It is safe to walk up parent chain to find whether the node is a destructing parameter declaration - // because its parent chain has already been set up, since parents are set before descending into children. - // - // If node is a binding element in parameter declaration, we need to use ParameterExcludes. - // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration - // For example: - // function foo([a,a]) {} // Duplicate Identifier error - // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter - // // which correctly set excluded symbols - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); - } - else { - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */); - } - } - } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - hasDecorators = true; - hasParameterDecorators = true; - } - if (inStrictMode) { - // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a - // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); - } - // If this is a property-parameter, then also declare the property symbol into the - // containing class. - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - return declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 106927 /* FunctionExcludes */); - } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16 /* Function */, bindingName); - } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); - } - // reachability checks - function pushNamedLabel(name) { - initializeReachabilityStateIfNecessary(); - if (ts.hasProperty(labelIndexMap, name.text)) { - return false; - } - labelIndexMap[name.text] = labelStack.push(1 /* Unintialized */) - 1; - return true; - } - function pushImplicitLabel() { - initializeReachabilityStateIfNecessary(); - var index = labelStack.push(1 /* Unintialized */) - 1; - implicitLabels.push(index); - return index; - } - function popNamedLabel(label, outerState) { - var index = labelIndexMap[label.text]; - ts.Debug.assert(index !== undefined); - ts.Debug.assert(labelStack.length == index + 1); - labelIndexMap[label.text] = undefined; - setCurrentStateAtLabel(labelStack.pop(), outerState, label); - } - function popImplicitLabel(implicitLabelIndex, outerState) { - if (labelStack.length !== implicitLabelIndex + 1) { - ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); - } - var i = implicitLabels.pop(); - if (implicitLabelIndex !== i) { - ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); - } - setCurrentStateAtLabel(labelStack.pop(), outerState, /*name*/ undefined); - } - function setCurrentStateAtLabel(innerMergedState, outerState, label) { - if (innerMergedState === 1 /* Unintialized */) { - if (label && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); - } - currentReachabilityState = outerState; - } - else { - currentReachabilityState = or(innerMergedState, outerState); - } - } - function jumpToLabel(label, outerState) { - initializeReachabilityStateIfNecessary(); - var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); - if (index === undefined) { - // reference to unknown label or - // break/continue used outside of loops - return false; - } - var stateAtLabel = labelStack[index]; - labelStack[index] = stateAtLabel === 1 /* Unintialized */ ? outerState : or(stateAtLabel, outerState); - return true; - } - function checkUnreachable(node) { - switch (currentReachabilityState) { - case 4 /* Unreachable */: - var reportError = - // report error on all statements except empty ones - (ts.isStatement(node) && node.kind !== 197 /* EmptyStatement */) || - // report error on class declarations - node.kind === 217 /* ClassDeclaration */ || - // report error on instantiated modules or const-enums only modules if preserveConstEnums is set - (node.kind === 221 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)) || - // report error on regular enums and const enums if preserveConstEnums is set - (node.kind === 220 /* EnumDeclaration */ && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentReachabilityState = 8 /* ReportedUnreachable */; - // unreachable code is reported if - // - user has explicitly asked about it AND - // - statement is in not ambient context (statements in ambient context is already an error - // so we should not report extras) AND - // - node is not variable statement OR - // - node is block scoped variable statement OR - // - node is not block scoped variable statement and at least one variable declaration has initializer - // Rationale: we don't want to report errors on non-initialized var's since they are hoisted - // On the other side we do want to report errors on non-initialized 'lets' because of TDZ - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 196 /* VariableStatement */ || - ts.getCombinedNodeFlags(node.declarationList) & 24576 /* BlockScoped */ || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); - } - } - case 8 /* ReportedUnreachable */: - return true; - default: - return false; - } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && options.preserveConstEnums); - } - } - function initializeReachabilityStateIfNecessary() { - if (labelIndexMap) { - return; - } - currentReachabilityState = 2 /* Reachable */; - labelIndexMap = {}; - labelStack = []; - implicitLabels = []; - } - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; - } - return node.id; - } - ts.getNodeId = getNodeId; - ts.checkTime = 0; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; - } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - // Cancellation that controls whether or not we can cancel in the middle of type checking. - // In general cancelling is *not* safe for the type checker. We might be in the middle of - // computing something, and we will leave our internals in an inconsistent state. Callers - // who set the cancellation token should catch if a cancellation exception occurs, and - // should throw away and create a new TypeChecker. - // - // Currently we only support setting the cancellation token when getting diagnostics. This - // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if - // they no longer need the information (for example, if the user started editing again). - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = {}; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0 /* ES3 */; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4 /* System */; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - // The language service will always care about the narrowed type of a symbol, because that is - // the type the language says the symbol should have. - getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var unknownSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "unknown"); - var resolvingSymbol = createSymbol(67108864 /* Transient */, "__resolving__"); - var anyType = createIntrinsicType(1 /* Any */, "any"); - var stringType = createIntrinsicType(2 /* String */, "string"); - var numberType = createIntrinsicType(4 /* Number */, "number"); - var booleanType = createIntrinsicType(8 /* Boolean */, "boolean"); - var esSymbolType = createIntrinsicType(16777216 /* ESSymbol */, "symbol"); - var voidType = createIntrinsicType(16 /* Void */, "void"); - var undefinedType = createIntrinsicType(32 /* Undefined */ | 2097152 /* ContainsUndefinedOrNull */, "undefined"); - var nullType = createIntrinsicType(64 /* Null */ | 2097152 /* ContainsUndefinedOrNull */, "null"); - var unknownType = createIntrinsicType(1 /* Any */, "unknown"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyUnionType = emptyObjectType; - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = {}; - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated - // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. - anyFunctionType.flags |= 8388608 /* ContainsAnyFunctionType */; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); - var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); - var globals = {}; - var globalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var globalTemplateStringsArrayType; - var globalESSymbolType; - var globalIterableType; - var globalIteratorType; - var globalIterableIteratorType; - var anyArrayType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var tupleTypes = {}; - var unionTypes = {}; - var intersectionTypes = {}; - var stringLiteralTypes = {}; - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var primitiveTypeInfo = { - "string": { - type: stringType, - flags: 258 /* StringLike */ - }, - "number": { - type: numberType, - flags: 132 /* NumberLike */ - }, - "boolean": { - type: booleanType, - flags: 8 /* Boolean */ - }, - "symbol": { - type: esSymbolType, - flags: 16777216 /* ESSymbol */ - }, - "undefined": { - type: undefinedType, - flags: 2097152 /* ContainsUndefinedOrNull */ - } - }; - var jsxElementType; - /** Things we lazy load from the JSX namespace */ - var jsxTypes = {}; - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = {}; - var assignableRelation = {}; - var identityRelation = {}; - // This is for caching the result of getSymbolDisplayBuilder. Do not access directly. - var _displayBuilder; - var TypeSystemPropertyName; - (function (TypeSystemPropertyName) { - TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; - TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; - })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); - var builtinGlobals = (_a = {}, - _a[undefinedSymbol.name] = undefinedSymbol, - _a - ); - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - // Ensure we have all the type information in place for this file so that all the - // emitter questions of this resolver will return the right information. - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; - } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); - } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2 /* BlockScopedVariable */) - result |= 107455 /* BlockScopedVariableExcludes */; - if (flags & 1 /* FunctionScopedVariable */) - result |= 107454 /* FunctionScopedVariableExcludes */; - if (flags & 4 /* Property */) - result |= 107455 /* PropertyExcludes */; - if (flags & 8 /* EnumMember */) - result |= 107455 /* EnumMemberExcludes */; - if (flags & 16 /* Function */) - result |= 106927 /* FunctionExcludes */; - if (flags & 32 /* Class */) - result |= 899519 /* ClassExcludes */; - if (flags & 64 /* Interface */) - result |= 792960 /* InterfaceExcludes */; - if (flags & 256 /* RegularEnum */) - result |= 899327 /* RegularEnumExcludes */; - if (flags & 128 /* ConstEnum */) - result |= 899967 /* ConstEnumExcludes */; - if (flags & 512 /* ValueModule */) - result |= 106639 /* ValueModuleExcludes */; - if (flags & 8192 /* Method */) - result |= 99263 /* MethodExcludes */; - if (flags & 32768 /* GetAccessor */) - result |= 41919 /* GetAccessorExcludes */; - if (flags & 65536 /* SetAccessor */) - result |= 74687 /* SetAccessorExcludes */; - if (flags & 262144 /* TypeParameter */) - result |= 530912 /* TypeParameterExcludes */; - if (flags & 524288 /* TypeAlias */) - result |= 793056 /* TypeAliasExcludes */; - if (flags & 8388608 /* Alias */) - result |= 8388608 /* AliasExcludes */; - return result; - } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; - } - mergedSymbols[source.mergeId] = target; - } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432 /* Merged */, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = cloneSymbolTable(symbol.members); - if (symbol.exports) - result.exports = cloneSymbolTable(symbol.exports); - recordMergedSymbol(result, symbol); - return result; - } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - // reset flag when merging instantiated module into value module that has only const enums - target.constEnumOnlyModule = false; - } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 221 /* ModuleDeclaration */ && source.valueDeclaration.kind !== 221 /* ModuleDeclaration */))) { - // other kinds of value declarations take precedence over modules - target.valueDeclaration = source.valueDeclaration; - } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = {}; - mergeSymbolTable(target.members, source.members); - } - if (source.exports) { - if (!target.exports) - target.exports = {}; - mergeSymbolTable(target.exports, source.exports); - } - recordMergedSymbol(target, source); - } - else { - var message_2 = target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */ - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - } - } - function cloneSymbolTable(symbolTable) { - var result = {}; - for (var id in symbolTable) { - if (ts.hasProperty(symbolTable, id)) { - result[id] = symbolTable[id]; - } - } - return result; - } - function mergeSymbolTable(target, source) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (!ts.hasProperty(target, id)) { - target[id] = source[id]; - } - else { - var symbol = target[id]; - if (!(symbol.flags & 33554432 /* Merged */)) { - target[id] = symbol = cloneSymbol(symbol); - } - mergeSymbol(symbol, source[id]); - } - } - } - } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { - // this is a combined symbol for multiple augmentations within the same file. - // its symbol already has accumulated information for all declarations - // so we need to add it just once - do the work only for first declaration - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); - return; - } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - // find a module that about to be augmented - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); - if (!mainModule) { - return; - } - // obtain item referenced by 'export=' - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1536 /* Namespace */) { - // if module symbol has already been merged - it is safe to use it. - // otherwise clone it - mainModule = mainModule.flags & 33554432 /* Merged */ ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } - } - } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (ts.hasProperty(target, id)) { - // Error on redeclarations - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } - } - } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; - } - } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864 /* Transient */) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); - } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); - } - function isGlobalSourceFile(node) { - return node.kind === 251 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); - } - function getSymbol(symbols, name, meaning) { - if (meaning && ts.hasProperty(symbols, name)) { - var symbol = symbols[name]; - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608 /* Alias */) { - var target = resolveAlias(symbol); - // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } - // return undefined if we can't find a symbol. - } - /** - * Get symbols that represent parameter-property-declaration as parameter and as property declaration - * @param parameter a parameterDeclaration node - * @param parameterName a name of the parameter to get the symbols for. - * @return a tuple of two symbols - */ - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructoDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455 /* Value */); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455 /* Value */); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; - } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); - } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { - // nodes are in different files and order cannot be determines - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - // declaration is before usage - // still might be illegal if usage is in the initializer of the variable declaration - return declaration.kind !== 214 /* VariableDeclaration */ || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - // declaration is after usage - // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - if (declaration.parent.parent.kind === 196 /* VariableStatement */ || - declaration.parent.parent.kind === 202 /* ForStatement */) { - // variable statement/for statement case, - // use site should not be inside variable declaration (initializer of declaration or binding element) - return isSameScopeDescendentOf(usage, declaration, container); - } - else if (declaration.parent.parent.kind === 204 /* ForOfStatement */ || - declaration.parent.parent.kind === 203 /* ForInStatement */) { - // ForIn/ForOf case - use site should not be used in expression part - var expression = declaration.parent.parent.expression; - return isSameScopeDescendentOf(usage, expression, container); - } - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 142 /* PropertyDeclaration */ && - (current.parent.flags & 64 /* Static */) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; - } - } - // Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and - // the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with - // the given name can be found. - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - loop: while (location) { - // Locals of a source file are not in scope (because they get merged into the global symbol table) - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - // symbol lookup restrictions for function-like declarations - // - Type parameters of a function are in scope in the entire function declaration, including the parameter - // list and return type. However, local types are only in scope in the function body. - // - parameters are only in the scope of function body - // This restriction does not apply to JSDoc comment types because they are parented - // at a higher level than type parameters would normally be - if (meaning & result.flags & 793056 /* Type */ && lastLocation.kind !== 268 /* JSDocComment */) { - useResult = result.flags & 262144 /* TypeParameter */ - ? lastLocation === location.type || - lastLocation.kind === 139 /* Parameter */ || - lastLocation.kind === 138 /* TypeParameter */ - : false; - } - if (meaning & 107455 /* Value */ && result.flags & 1 /* FunctionScopedVariable */) { - // parameters are visible only inside function body, parameter list and return type - // technically for parameter list case here we might mix parameters and variables declared in function, - // however it is detected separately when checking initializers of parameters - // to make sure that they reference no variables declared after them. - useResult = - lastLocation.kind === 139 /* Parameter */ || - (lastLocation === location.type && - result.valueDeclaration.kind === 139 /* Parameter */); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location)) - break; - case 221 /* ModuleDeclaration */: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 251 /* SourceFile */ || ts.isAmbientModule(location)) { - // It's an external module. First see if the module has an export default and if the local - // name of that export default matches. - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - // Because of module/namespace merging, a module's exports are in scope, - // yet we never want to treat an export specifier as putting a member in scope. - // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope. - // Two things to note about this: - // 1. We have to check this without calling getSymbol. The problem with calling getSymbol - // on an export specifier is that it might find the export specifier itself, and try to - // resolve it as an alias. This will cause the checker to consider the export specifier - // a circular alias reference when it might not be. - // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely* - // an alias. If we used &, we'd be throwing out symbols that have non alias aspects, - // which is not the desired behavior. - if (ts.hasProperty(moduleExports, name) && - moduleExports[name].flags === 8388608 /* Alias */ && - ts.getDeclarationOfKind(moduleExports[name], 233 /* ExportSpecifier */)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931 /* ModuleMember */)) { - break loop; - } - break; - case 220 /* EnumDeclaration */: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) { - break loop; - } - break; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - // TypeScript 1.0 spec (April 2014): 8.4.1 - // Initializer expressions for instance member variables are evaluated in the scope - // of the class constructor body but are not permitted to reference parameters or - // local variables of the constructor. This effectively means that entities from outer scopes - // by the same name as a constructor parameter or local variable are inaccessible - // in initializer expressions for instance member variables. - if (ts.isClassLike(location.parent) && !(location.flags & 64 /* Static */)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455 /* Value */)) { - // Remember the property node, it will be used later to report appropriate error - propertyWithInvalidInitializer = location; - } - } - } - break; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056 /* Type */)) { - if (lastLocation && lastLocation.flags & 64 /* Static */) { - // TypeScript 1.0 spec (April 2014): 3.4.1 - // The scope of a type parameter extends over the entire declaration with which the type - // parameter list is associated, with the exception of static member declarations in classes. - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 189 /* ClassExpression */ && meaning & 32 /* Class */) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - // It is not legal to reference a class's own type parameters from a computed property name that - // belongs to the class. For example: - // - // function foo() { return '' } - // class C { // <-- Class's own type parameter T - // [foo()]() { } // <-- Reference to T from class's own computed property - // } - // - case 137 /* ComputedPropertyName */: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 218 /* InterfaceDeclaration */) { - // A reference to this grandparent's type parameters would be an error - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056 /* Type */)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - if (meaning & 3 /* Variable */ && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 176 /* FunctionExpression */: - if (meaning & 3 /* Variable */ && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16 /* Function */) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 140 /* Decorator */: - // Decorators are resolved at the class declaration. Resolving at the parameter - // or member would result in looking up locals in the method. - // - // function y() {} - // class C { - // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. - // } - // - if (location.parent && location.parent.kind === 139 /* Parameter */) { - location = location.parent; - } - // - // function y() {} - // class C { - // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method. - // } - // - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (!result) { - result = getSymbol(globals, name, meaning); - } - if (!result) { - if (nameNotFoundMessage) { - if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; - } - // Perform extra checks only if error reporting was requested - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - // We have a match, but the reference occurred within a property initializer and the identifier also binds - // to a local variable in the constructor where the code will be emitted. - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - // Only check for block-scoped variable if we are looking for the - // name with variable meaning - // For example, - // declare module foo { - // interface bar {} - // } - // const foo/*1*/: foo/*2*/.bar; - // The foo at /*1*/ and /*2*/ will share same symbol with two meaning - // block - scope variable and namespace module. However, only when we - // try to resolve name in /*1*/ which is used in variable position, - // we want to check for block- scoped - if (meaning & 2 /* BlockScopedVariable */) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2 /* BlockScopedVariable */) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - } - return result; - } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if (!errorLocation || (errorLocation.kind === 69 /* Identifier */ && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; - } - var container = ts.getThisContainer(errorLocation, /* includeArrowFunctions */ true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - // Check to see if a static member exists. - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - // No static member is present. - // Check if we're in an instance method and look for a relevant instance member. - if (location === container && !(location.flags & 64 /* Static */)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; - } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2 /* BlockScopedVariable */) !== 0); - // Block-scoped variables cannot be used before their definition - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214 /* VariableDeclaration */), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); - } - } - /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached. - * If at any point current node is equal to 'parent' node - return true. - * Return false if 'stopAt' node is reached or isFunctionLike(current) === true. - */ - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; - } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { - return true; - } - } - return false; - } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 224 /* ImportEqualsDeclaration */) { - return node; - } - while (node && node.kind !== 225 /* ImportDeclaration */) { - node = node.parent; - } - return node; - } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 235 /* ExternalModuleReference */) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); - } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); - } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); - } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - return exportDefaultSymbol; - } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - // This function creates a synthetic symbol that combines the value side of one symbol with the - // type/namespace side of another symbol. Consider this example: - // - // declare module graphics { - // interface Point { - // x: number; - // y: number; - // } - // } - // declare var graphics: { - // Point: new (x: number, y: number) => graphics.Point; - // } - // declare module "graphics" { - // export = graphics; - // } - // - // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point' - // property with the type/namespace side interface 'Point'. - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793056 /* Type */ | 1536 /* Namespace */)) { - return valueSymbol; - } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; - } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536 /* Module */) { - var exports = getExportsOfSymbol(symbol); - if (ts.hasProperty(exports, name)) { - return resolveSymbol(exports[name]); - } - } - } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3 /* Variable */) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } - } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_9 = specifier.propertyName || specifier.name; - if (name_9.text) { - var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); - var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); - } - return symbol; - } - } - } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - return getTargetOfImportEqualsDeclaration(node); - case 226 /* ImportClause */: - return getTargetOfImportClause(node); - case 227 /* NamespaceImport */: - return getTargetOfNamespaceImport(node); - case 229 /* ImportSpecifier */: - return getTargetOfImportSpecifier(node); - case 233 /* ExportSpecifier */: - return getTargetOfExportSpecifier(node); - case 230 /* ExportAssignment */: - return getTargetOfExportAssignment(node); - } - } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 /* Alias */ && !(symbol.flags & (107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */)) ? resolveAlias(symbol) : symbol; - } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608 /* Alias */) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; - } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || - (target !== unknownSymbol && (target.flags & 107455 /* Value */) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } - } - } - // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until - // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of - // the alias as an expression (which recursively takes us back here if the target references another alias). - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - if (node.kind === 230 /* ExportAssignment */) { - // export default - checkExpressionCached(node.expression); - } - else if (node.kind === 233 /* ExportSpecifier */) { - // export { } or export { as foo } - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - // import foo = - checkExpressionCached(node.moduleReference); - } - } - } - // This function is only for imports with entity names - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { - if (!importDeclaration) { - importDeclaration = ts.getAncestor(entityName, 224 /* ImportEqualsDeclaration */); - ts.Debug.assert(importDeclaration !== undefined); - } - // There are three things we might try to look for. In the following examples, - // the search term is enclosed in |...|: - // - // import a = |b|; // Namespace - // import a = |b.c|; // Value, type, namespace - // import a = |b.c|.d; // Namespace - if (entityName.kind === 69 /* Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - // Check for case 1 and 3 in the above example - if (entityName.kind === 69 /* Identifier */ || entityName.parent.kind === 136 /* QualifiedName */) { - return resolveEntityName(entityName, 1536 /* Namespace */); - } - else { - // Case 2 in above example - // entityName.kind could be a QualifiedName or a Missing identifier - ts.Debug.assert(entityName.parent.kind === 224 /* ImportEqualsDeclaration */); - return resolveEntityName(entityName, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); - } - // Resolves a qualified name and any involved aliases - function resolveEntityName(name, meaning, ignoreErrors) { - if (ts.nodeIsMissing(name)) { - return undefined; - } - var symbol; - if (name.kind === 69 /* Identifier */) { - var message = meaning === 1536 /* Namespace */ ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } - } - else if (name.kind === 136 /* QualifiedName */ || name.kind === 169 /* PropertyAccessExpression */) { - var left = name.kind === 136 /* QualifiedName */ ? name.left : name.expression; - var right = name.kind === 136 /* QualifiedName */ ? name.right : name.name; - var namespace = resolveEntityName(left, 1536 /* Namespace */, ignoreErrors); - if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { - return undefined; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } - } - else { - ts.Debug.fail("Unknown entity name kind."); - } - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); - return symbol.flags & meaning ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); - } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9 /* StringLiteral */) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - // Module names are escaped in our symbol table. However, string literal values aren't. - // Escape the name in the "require(...)" clause to ensure we find the right symbol. - var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512 /* ValueModule */); - if (symbol) { - // merged symbol is module declaration symbol combined with all augmentations - return getMergedSymbol(symbol); - } - } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - // merged symbol is module declaration symbol combined with all augmentations - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - // report errors only if it was requested - error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; - } - if (moduleNotFoundError) { - // report errors only if it was requested - error(moduleReferenceLiteral, moduleNotFoundError, moduleName); - } - return undefined; - } - // An external module with an 'export =' declaration resolves to the target of the 'export =' declaration, - // and an external module with no 'export =' declaration resolves to the module itself. - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; - } - // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export =' - // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may - // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable). - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 /* Module */ | 3 /* Variable */))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; - } - return symbol; - } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; - } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); - } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 /* Module */ ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; - } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); - } - /** - * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument - * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables - */ - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !ts.hasProperty(target, id)) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } - } - } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - return visit(moduleSymbol) || moduleSymbol.exports; - // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example, - // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error. - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 /* HasExports */ && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = cloneSymbolTable(symbol.exports); - // All export * declarations are collected in an __export symbol by the binder - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = {}; - var lookupTable = {}; - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; - } - } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); - } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); - } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576 /* ExportValue */) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; - } - function symbolIsValue(symbol) { - // If it is an instantiated symbol, then it is a value if the symbol it is an - // instantiation of is a value. - if (symbol.flags & 16777216 /* Instantiated */) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - // If the symbol has the value flag, it is trivially a value. - if (symbol.flags & 107455 /* Value */) { - return true; - } - // If it is an alias, then it is a value if the symbol it resolves to is a value. - if (symbol.flags & 8388608 /* Alias */) { - return (resolveAlias(symbol).flags & 107455 /* Value */) !== 0; - } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 145 /* Constructor */ && ts.nodeIsPresent(member.body)) { - return member; - } - } - } - function createType(flags) { - var result = new Type(checker, flags); - result.id = typeCount; - typeCount++; - return result; - } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; - } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; - } - // A reserved member name starts with two underscores, but the third character cannot be an underscore - // or the @ symbol. A third underscore indicates an escaped form of an identifer that started - // with at least two underscores. The @ character indicates that the name is denoted by a well known ES - // Symbol instance. - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 /* _ */ && - name.charCodeAt(1) === 95 /* _ */ && - name.charCodeAt(2) !== 95 /* _ */ && - name.charCodeAt(2) !== 64 /* at */; - } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (ts.hasProperty(members, id)) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } - } - } - } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexType) - type.stringIndexType = stringIndexType; - if (numberIndexType) - type.numberIndexType = numberIndexType; - return type; - } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - return setObjectTypeMembers(createObjectType(65536 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - // Locals of a source file are not in scope (because they get merged into the global symbol table) - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; - } - } - switch (location_1.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; - } - case 221 /* ModuleDeclaration */: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - if (result = callback(getSymbolOfNode(location_1).members)) { - return result; - } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - // If we are looking in value space, the parent meaning is value, other wise it is namespace - return rightMeaning === 107455 /* Value */ ? 107455 /* Value */ : 1536 /* Namespace */; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; - } - // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table) - // and if symbolfrom symbolTable or alias resolution matches the symbol, - // check the symbol can be qualified, it is only then this symbol is accessible - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); - } - } - // If symbol is directly available by its name in the symbol table - if (isAccessible(ts.lookUp(symbols, symbol.name))) { - return [symbol]; - } - // Check if symbol is any of the alias - return ts.forEachValue(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 /* Alias */ - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) { - if (!useOnlyExternalAliasing || - // Is this external alias, then use it to name - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain - // but only if the symbolFromSymbolTable can be qualified - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } - } - } - }); - } - if (symbol) { - return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); - } - } - function needsQualification(symbol, enclosingDeclaration, meaning) { - var qualify = false; - forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { - // If symbol of this name is not available in the symbol table we are ok - if (!ts.hasProperty(symbolTable, symbol.name)) { - // Continue to the next symbol table - return false; - } - // If the symbol with this name is present it should refer to the symbol - var symbolFromSymbolTable = symbolTable[symbol.name]; - if (symbolFromSymbolTable === symbol) { - // No need to qualify - return true; - } - // Qualify if the symbol from symbol table has same meaning as expected - symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 /* Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; - if (symbolFromSymbolTable.flags & meaning) { - qualify = true; - return true; - } - // Continue to the next symbol table - return false; - }); - return qualify; - } - function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { - if (symbol && enclosingDeclaration && !(symbol.flags & 262144 /* TypeParameter */)) { - var initialSymbol = symbol; - var meaningToLook = meaning; - while (symbol) { - // Symbol is accessible if it by itself is accessible - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, /*useOnlyExternalAliasing*/ false); - if (accessibleSymbolChain) { - var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); - if (!hasAccessibleDeclarations) { - return { - accessibility: 1 /* NotAccessible */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536 /* Namespace */) : undefined - }; - } - return hasAccessibleDeclarations; - } - // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible. - // It could be a qualified symbol and hence verify the path - // e.g.: - // module m { - // export class c { - // } - // } - // const x: typeof m.c - // In the above example when we start with checking if typeof m.c symbol is accessible, - // we are going to see if c can be accessed in scope directly. - // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible - // It is accessible if the parent m is accessible because then m.c can be accessed through qualification - meaningToLook = getQualifiedLeftMeaning(meaning); - symbol = getParentOfSymbol(symbol); - } - // This could be a symbol that is not exported in the external module - // or it could be a symbol from different external module that is not aliased and hence cannot be named - var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); - if (symbolExternalModule) { - var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); - if (symbolExternalModule !== enclosingExternalModule) { - // name from different external module that is not visible - return { - accessibility: 2 /* CannotBeNamed */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbolToString(symbolExternalModule) - }; - } - } - // Just a local name that is not accessible - return { - accessibility: 1 /* NotAccessible */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) - }; - } - return { accessibility: 0 /* Accessible */ }; - function getExternalModuleContainer(declaration) { - for (; declaration; declaration = declaration.parent) { - if (hasExternalModuleSymbol(declaration)) { - return getSymbolOfNode(declaration); - } - } - } - } - function hasExternalModuleSymbol(declaration) { - return ts.isAmbientModule(declaration) || (declaration.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); - } - function hasVisibleDeclarations(symbol) { - var aliasesToMakeVisible; - if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { - return undefined; - } - return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible }; - function getIsDeclarationVisible(declaration) { - if (!isDeclarationVisible(declaration)) { - // Mark the unexported alias as visible if its parent is visible - // because these kind of aliases can be used to name types in declaration file - var anyImportSyntax = getAnyImportSyntax(declaration); - if (anyImportSyntax && - !(anyImportSyntax.flags & 2 /* Export */) && - isDeclarationVisible(anyImportSyntax.parent)) { - getNodeLinks(declaration).isVisible = true; - if (aliasesToMakeVisible) { - if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { - aliasesToMakeVisible.push(anyImportSyntax); - } - } - else { - aliasesToMakeVisible = [anyImportSyntax]; - } - return true; - } - // Declaration is not visible - return false; - } - return true; - } - } - function isEntityNameVisible(entityName, enclosingDeclaration) { - // get symbol of the first identifier of the entityName - var meaning; - if (entityName.parent.kind === 155 /* TypeQuery */) { - // Typeof value - meaning = 107455 /* Value */ | 1048576 /* ExportValue */; - } - else if (entityName.kind === 136 /* QualifiedName */ || entityName.kind === 169 /* PropertyAccessExpression */ || - entityName.parent.kind === 224 /* ImportEqualsDeclaration */) { - // Left identifier from type reference or TypeAlias - // Entity name of the import declaration - meaning = 1536 /* Namespace */; - } - else { - // Type Reference or TypeAlias entity = Identifier - meaning = 793056 /* Type */; - } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); - // Verify if the symbol is accessible - return (symbol && hasVisibleDeclarations(symbol)) || { - accessibility: 1 /* NotAccessible */, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 /* NoTruncation */ ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; - } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 161 /* ParenthesizedType */) { - node = node.parent; - } - if (node.kind === 219 /* TypeAliasDeclaration */) { - return getSymbolOfNode(node); - } - } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 222 /* ModuleBlock */ && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 189 /* ClassExpression */: - return "(Anonymous class)"; - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return "(Anonymous function)"; - } - } - return symbol.name; - } - /** - * Writes only the name of the symbol out to the writer. Uses the original source text - * for the name of the symbol if it is available to match how the user inputted the name. - */ - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); - } - /** - * Enclosing declaration is optional when we don't want to get qualified name in the enclosing declaration scope - * Meaning needs to be specified if the enclosing declaration is given - */ - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - // Write type arguments of instantiated class/interface here - if (flags & 1 /* WriteTypeParametersOrArguments */) { - if (symbol.flags & 16777216 /* Instantiated */) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } - } - writePunctuation(writer, 21 /* DotToken */); - } - parentSymbol = symbol; - appendSymbolNameOnly(symbol, writer); - } - // const the writer know we just wrote out a symbol. The declaration emitter writer uses - // this to determine if an import it has previously seen (and not written out) needs - // to be written to the file once the walk of the tree is complete. - // - // NOTE(cyrusn): This approach feels somewhat unfortunate. A simple pass over the tree - // up front (for example, during checking) could determine if we need to emit the imports - // and we could then access that data during declaration emit. - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning) { - if (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2 /* UseOnlyExternalAliasing */)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - // Go up and add our parent. - walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); - } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); - } - } - else { - // If we didn't find accessible symbol chain for this symbol, break if this is external module - if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { - return; - } - // if this is anonymous type break - if (symbol.flags & 2048 /* TypeLiteral */ || symbol.flags & 4096 /* ObjectLiteral */) { - return; - } - appendParentTypeArgumentsAndSymbolName(symbol); - } - } - } - // Get qualified name if the symbol is not a type parameter - // and there is an enclosing declaration or we specifically - // asked for it - var isTypeParameter = symbol.flags & 262144 /* TypeParameter */; - var typeFormatFlag = 128 /* UseFullyQualifiedType */ & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning); - return; - } - return appendParentTypeArgumentsAndSymbolName(symbol); - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16 /* WriteOwnNameForAnyLike */; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - // Write undefined/null type as any - if (type.flags & 16777343 /* Intrinsic */) { - // Special handling for unknown / resolving types, they should show up as any and not unknown or __resolving - writer.writeKeyword(!(globalFlags & 16 /* WriteOwnNameForAnyLike */) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 33554432 /* ThisType */) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 4096 /* Reference */) { - writeTypeReference(type, flags); - } - else if (type.flags & (1024 /* Class */ | 2048 /* Interface */ | 128 /* Enum */ | 512 /* TypeParameter */)) { - // The specified symbol flags need to be reinterpreted as type flags - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - else if (type.flags & 8192 /* Tuple */) { - writeTupleType(type); - } - else if (type.flags & 49152 /* UnionOrIntersection */) { - writeUnionOrIntersectionType(type, flags); - } - else if (type.flags & 65536 /* Anonymous */) { - writeAnonymousType(type, flags); - } - else if (type.flags & 256 /* StringLiteral */) { - writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); - } - else { - // Should never get here - // { ... } - writePunctuation(writer, 15 /* OpenBraceToken */); - writeSpace(writer); - writePunctuation(writer, 22 /* DotDotDotToken */); - writeSpace(writer); - writePunctuation(writer, 16 /* CloseBraceToken */); - } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 24 /* CommaToken */) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 24 /* CommaToken */ ? 0 /* None */ : 64 /* InElementType */); - } - } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - // Unnamed function expressions and arrow functions have reserved names that we don't want to display - if (symbol.flags & 32 /* Class */ || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - if (pos < end) { - writePunctuation(writer, 25 /* LessThanToken */); - writeType(typeArguments[pos], 0 /* None */); - pos++; - while (pos < end) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - writeType(typeArguments[pos], 0 /* None */); - pos++; - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1 /* WriteArrayAsGenericType */)) { - writeType(typeArguments[0], 64 /* InElementType */); - writePunctuation(writer, 19 /* OpenBracketToken */); - writePunctuation(writer, 20 /* CloseBracketToken */); - } - else { - // Write the type reference in the format f.g.C where A and B are type arguments - // for outer type parameters, and f and g are the respective declaring containers of those - // type parameters. - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - // Find group of type arguments for type parameters with the same declaring container. - var start = i; - var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); - // When type parameters are their own type arguments for the whole group (i.e. we have - // the default outer type arguments), we don't show the group. - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); - writePunctuation(writer, 21 /* DotToken */); - } - } - } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); - } - } - function writeTupleType(type) { - writePunctuation(writer, 19 /* OpenBracketToken */); - writeTypeList(type.elementTypes, 24 /* CommaToken */); - writePunctuation(writer, 20 /* CloseBracketToken */); - } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - writeTypeList(type.types, type.flags & 16384 /* Union */ ? 47 /* BarToken */ : 46 /* AmpersandToken */); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - // Always use 'typeof T' for type of class, enum, and module objects - if (symbol.flags & (32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { - writeTypeofSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeofSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - // If type is an anonymous type literal in a type alias declaration, use type alias name - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - // The specified symbol flags need to be reinterpreted as type flags - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - else { - // Recursive usage, use any - writeKeyword(writer, 117 /* AnyKeyword */); - } - } - else { - // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead - // of types allows us to catch circular references to instantiations of the same anonymous type - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); - } - } - else { - // Anonymous types with no symbol are never circular - writeLiteralType(type, flags); - } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 /* Method */ && - ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64 /* Static */; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* Function */) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 251 /* SourceFile */ || declaration.parent.kind === 222 /* ModuleBlock */; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - // typeof is allowed only for static/non local functions - return !!(flags & 2 /* UseTypeOfFunction */) || - (ts.contains(symbolStack, symbol)); // it is type of the symbol uses itself recursively - } - } - } - function writeTypeofSymbol(type, typeFormatFlags) { - writeKeyword(writer, 101 /* TypeOfKeyword */); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455 /* Value */, 0 /* None */, typeFormatFlags); - } - function getIndexerParameterName(type, indexKind, fallbackName) { - var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); - if (!declaration) { - // declaration might not be found if indexer was added from the contextual type. - // in this case use fallback name - return fallbackName; - } - ts.Debug.assert(declaration.parameters.length !== 0); - return ts.declarationNameToString(declaration.parameters[0].name); - } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 15 /* OpenBraceToken */); - writePunctuation(writer, 16 /* CloseBraceToken */); - return; - } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - return; - } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - writeKeyword(writer, 92 /* NewKeyword */); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - return; - } - } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 15 /* OpenBraceToken */); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1 /* Construct */, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - if (resolved.stringIndexType) { - // [x: string]: - writePunctuation(writer, 19 /* OpenBracketToken */); - writer.writeParameter(getIndexerParameterName(resolved, 0 /* String */, /*fallbackName*/ "x")); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeKeyword(writer, 130 /* StringKeyword */); - writePunctuation(writer, 20 /* CloseBracketToken */); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(resolved.stringIndexType, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - if (resolved.numberIndexType) { - // [x: number]: - writePunctuation(writer, 19 /* OpenBracketToken */); - writer.writeParameter(getIndexerParameterName(resolved, 1 /* Number */, /*fallbackName*/ "x")); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeKeyword(writer, 128 /* NumberKeyword */); - writePunctuation(writer, 20 /* CloseBracketToken */); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(resolved.numberIndexType, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0 /* Call */); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - buildSymbolDisplay(p, writer); - if (p.flags & 536870912 /* Optional */) { - writePunctuation(writer, 53 /* QuestionToken */); - } - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - } - else { - buildSymbolDisplay(p, writer); - if (p.flags & 536870912 /* Optional */) { - writePunctuation(writer, 53 /* QuestionToken */); - } - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(t, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - } - writer.decreaseIndent(); - writePunctuation(writer, 16 /* CloseBraceToken */); - inObjectTypeLiteral = saveInObjectTypeLiteral; - } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 /* Class */ || targetSymbol.flags & 64 /* Interface */ || targetSymbol.flags & 524288 /* TypeAlias */) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); - } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 83 /* ExtendsKeyword */); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 22 /* DotDotDotToken */); - } - appendSymbolNameOnly(p, writer); - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 53 /* QuestionToken */); - } - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); - } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25 /* LessThanToken */); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25 /* LessThanToken */); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0 /* None */); - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 17 /* OpenParenToken */); - for (var i = 0; i < parameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 18 /* CloseParenToken */); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 97 /* ThisKeyword */); - } - writeSpace(writer); - writeKeyword(writer, 124 /* IsKeyword */); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); - } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8 /* WriteArrowStyleSignature */) { - writeSpace(writer); - writePunctuation(writer, 34 /* EqualsGreaterThanToken */); - } - else { - writePunctuation(writer, 54 /* ColonToken */); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1 /* Construct */) { - writeKeyword(writer, 92 /* NewKeyword */); - writeSpace(writer); - } - if (signature.target && (flags & 32 /* WriteTypeArgumentsOfSignature */)) { - // Instantiated signature, write type arguments instead - // This is achieved by passing in the mapper separately - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); - } - else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); - } - buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); - } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); - } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 166 /* BindingElement */: - return isDeclarationVisible(node.parent.parent); - case 214 /* VariableDeclaration */: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - // If the binding pattern is empty, this variable declaration is not visible - return false; - } - // Otherwise fall through - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 216 /* FunctionDeclaration */: - case 220 /* EnumDeclaration */: - case 224 /* ImportEqualsDeclaration */: - // external module augmentation is always visible - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_5 = getDeclarationContainer(node); - // If the node is not exported or it is not ambient module element (except import declaration) - if (!(ts.getCombinedNodeFlags(node) & 2 /* Export */) && - !(node.kind !== 224 /* ImportEqualsDeclaration */ && parent_5.kind !== 251 /* SourceFile */ && ts.isInAmbientContext(parent_5))) { - return isGlobalSourceFile(parent_5); - } - // Exported members/ambient module elements (exception import declaration) are visible if parent is visible - return isDeclarationVisible(parent_5); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.flags & (16 /* Private */ | 32 /* Protected */)) { - // Private/protected properties/methods are not visible - return false; - } - // Public properties/methods are visible if its parents are visible, so const it fall into next case statement - case 145 /* Constructor */: - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 150 /* IndexSignature */: - case 139 /* Parameter */: - case 222 /* ModuleBlock */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 156 /* TypeLiteral */: - case 152 /* TypeReference */: - case 157 /* ArrayType */: - case 158 /* TupleType */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - case 161 /* ParenthesizedType */: - return isDeclarationVisible(node.parent); - // Default binding, import specifier and namespace import is visible - // only on demand so by default it is not visible - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - return false; - // Type parameters are always visible - case 138 /* TypeParameter */: - // Source file is always visible - case 251 /* SourceFile */: - return true; - // Export assignments do not create name bindings outside the module - case 230 /* ExportAssignment */: - return false; - default: - ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); - } - } - } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 230 /* ExportAssignment */) { - exportSymbol = resolveName(node.parent, node.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 233 /* ExportSpecifier */) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - // Add the referenced top container visible - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); - } - } - }); - } - } - /** - * Push an entry on the type resolution stack. If an entry with the given target and the given property name - * is already on the stack, and no entries in between already have a type, then a circularity has occurred. - * In this case, the result values of the existing entry and all entries pushed after it are changed to false, - * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned. - * In order to see if the same query has already been done before, the target object and the propertyName both - * must match the one passed in. - * - * @param target The symbol, type, or signature whose type is being queried - * @param propertyName The property name that should be used to query the target for its type - */ - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - // A cycle was found - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; - } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(/*items*/ true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; - } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; - } - } - return -1; - } - function hasType(target, propertyName) { - if (propertyName === 0 /* Type */) { - return getSymbolLinks(target).type; - } - if (propertyName === 2 /* DeclaredType */) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1 /* ResolvedBaseConstructorType */) { - ts.Debug.assert(!!(target.flags & 1024 /* Class */)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3 /* ResolvedReturnType */) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); - } - // Pop an entry from the type resolution stack and return its associated result value. The result value will - // be true if no circularities were detected, or false if a circularity was found. - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); - } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 214 /* VariableDeclaration */: - case 215 /* VariableDeclarationList */: - case 229 /* ImportSpecifier */: - case 228 /* NamedImports */: - case 227 /* NamespaceImport */: - case 226 /* ImportClause */: - node = node.parent; - break; - default: - return node.parent; - } - } - } - function getTypeOfPrototypeProperty(prototype) { - // TypeScript 1.0 spec (April 2014): 8.4 - // Every class automatically contains a static property member named 'prototype', - // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter. - // It is an error to explicitly declare a static property member with the name 'prototype'. - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; - } - // Return the type of the given property in the given type, or undefined if no such property exists - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; - } - function isTypeAny(type) { - return type && (type.flags & 1 /* Any */) !== 0; - } - // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been - // assigned by contextual typing. - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); - } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 69 /* Identifier */: - return name.text; - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - return name.text; - case 137 /* ComputedPropertyName */: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } - } - return undefined; - } - function isComputedNonLiteralName(name) { - return name.kind === 137 /* ComputedPropertyName */ && !ts.isStringOrNumericLiteral(name.expression.kind); - } - // Return the inferred type for a binding element - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - // If parent has the unknown (error) type, then so does this binding element - if (parentType === unknownType) { - return unknownType; - } - // If no type was specified or inferred for parent, or if the specified or inferred type is any, - // infer from the initializer of the binding element if one is present. Otherwise, go with the - // undefined or any type of the parent. - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - return parentType; - } - var type; - if (pattern.kind === 164 /* ObjectBindingPattern */) { - // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form) - var name_10 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_10)) { - // computed properties with non-literal names are treated as 'any' - return anyType; - } - // Use type of the specified property, or otherwise, for a numeric name, the type of the numeric index signature, - // or otherwise the type of the string index signature. - var text = getTextOfPropertyName(name_10); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1 /* Number */) || - getIndexTypeOfType(parentType, 0 /* String */); - if (!type) { - error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); - return unknownType; - } - } - else { - // This elementType will be used if the specific property corresponding to this index is not - // present (aka the tuple element property). This call also checks that the parentType is in - // fact an iterable or array (depending on target language). - var elementType = checkIteratedTypeOrElementType(parentType, pattern, /*allowStringInput*/ false); - if (!declaration.dotDotDotToken) { - // Use specific property type when parent is a tuple or numeric index type when parent is an array - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); - } - return unknownType; - } - } - else { - // Rest element has an array type with the same element type as the parent type - type = createArrayType(elementType); - } - } - return type; - } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } - } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - // First, see if this node has an @type annotation on it directly. - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; - } - if (declaration.kind === 214 /* VariableDeclaration */ && - declaration.parent.kind === 215 /* VariableDeclarationList */ && - declaration.parent.parent.kind === 196 /* VariableStatement */) { - // @type annotation might have been on the variable statement, try that instead. - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; - } - } - else if (declaration.kind === 139 /* Parameter */) { - // If it's a parameter, see if the parent has a jsdoc comment with an @param - // annotation. - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; - } - } - return undefined; - } - // Return the inferred type for a variable, parameter, or property declaration - function getTypeForVariableLikeDeclaration(declaration) { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - // If this is a variable in a JavaScript file, then use the JSDoc type (if it has - // one as its type), otherwise fallback to the below standard TS codepaths to - // try to figure it out. - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; - } - } - // A variable declared in a for..in statement is always of type string - if (declaration.parent.parent.kind === 203 /* ForInStatement */) { - return stringType; - } - if (declaration.parent.parent.kind === 204 /* ForOfStatement */) { - // checkRightHandSideOfForOf will return undefined if the for-of expression type was - // missing properties/signatures required to get its iteratedType (like - // [Symbol.iterator] or next). This may be because we accessed properties from anyType, - // or it may have led to an error inside getElementTypeOfIterable. - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; - } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); - } - // Use type from type annotation if one is present - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139 /* Parameter */) { - var func = declaration.parent; - // For a parameter of a set accessor, use the type of the get accessor if one is present - if (func.kind === 147 /* SetAccessor */ && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146 /* GetAccessor */); - if (getter) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); - } - } - // Use contextual parameter type if one is available - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - // Use the type of the initializer expression if one is present - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - // If it is a short-hand property assignment, use the type of the identifier - if (declaration.kind === 249 /* ShorthandPropertyAssignment */) { - return checkIdentifier(declaration.name); - } - // If the declaration specifies a binding pattern, use the type implied by the binding pattern - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false); - } - // No type specified and nothing can be inferred - return undefined; - } - // Return the type implied by a binding pattern element. This is the type of the initializer of the element if - // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding - // pattern. Otherwise, it is the type any. - function getTypeFromBindingElement(element, includePatternInType) { - if (element.initializer) { - return getWidenedType(checkExpressionCached(element.initializer)); - } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType); - } - return anyType; - } - // Return the type implied by an object binding pattern - function getTypeFromObjectBindingPattern(pattern, includePatternInType) { - var members = {}; - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - // do not include computed properties in the implied type - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 /* Property */ | 67108864 /* Transient */ | (e.initializer ? 536870912 /* Optional */ : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.flags |= 67108864 /* ObjectLiteralPatternWithComputedProperties */; - } - return result; - } - // Return the type implied by an array binding pattern - function getTypeFromArrayBindingPattern(pattern, includePatternInType) { - var elements = pattern.elements; - if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { - return languageVersion >= 2 /* ES6 */ ? createIterableType(anyType) : anyArrayType; - } - // If the pattern has at least one element, and no rest element, then it should imply a tuple type. - var elementTypes = ts.map(elements, function (e) { return e.kind === 190 /* OmittedExpression */ ? anyType : getTypeFromBindingElement(e, includePatternInType); }); - if (includePatternInType) { - var result = createNewTupleType(elementTypes); - result.pattern = pattern; - return result; - } - return createTupleType(elementTypes); - } - // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself - // and without regard to its context (i.e. without regard any type annotation or initializer associated with the - // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any] - // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is - // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring - // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of - // the parameter. - function getTypeFromBindingPattern(pattern, includePatternInType) { - return pattern.kind === 164 /* ObjectBindingPattern */ - ? getTypeFromObjectBindingPattern(pattern, includePatternInType) - : getTypeFromArrayBindingPattern(pattern, includePatternInType); - } - // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type - // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it - // is a bit more involved. For example: - // - // var [x, s = ""] = [1, "one"]; - // - // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the - // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the - // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string. - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - // During a normal type check we'll never get to here with a property assignment (the check of the containing - // object literal uses a different path). We exclude widening only so that language services and type verification - // tools see the actual type. - if (declaration.kind === 248 /* PropertyAssignment */) { - return type; - } - return getWidenedType(type); - } - // Rest parameters default to type any[], other parameters default to type any - type = declaration.dotDotDotToken ? anyArrayType : anyType; - // Report implicit any errors unless this is a private property within an ambient declaration - if (reportErrors && compilerOptions.noImplicitAny) { - var root = ts.getRootDeclaration(declaration); - if (!isPrivateWithinAmbient(root) && !(root.kind === 139 /* Parameter */ && isPrivateWithinAmbient(root.parent))) { - reportImplicitAnyError(declaration, type); - } - } - return type; - } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - // Handle prototype property - if (symbol.flags & 134217728 /* Prototype */) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - // Handle catch clause variables - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 247 /* CatchClause */) { - return links.type = anyType; - } - // Handle export default expressions - if (declaration.kind === 230 /* ExportAssignment */) { - return links.type = checkExpression(declaration.expression); - } - // Handle module.exports = expr - if (declaration.kind === 184 /* BinaryExpression */) { - return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); - } - if (declaration.kind === 169 /* PropertyAccessExpression */) { - // Declarations only exist for property access expressions for certain - // special assignment kinds - if (declaration.parent.kind === 184 /* BinaryExpression */) { - // Handle exports.p = expr or this.p = expr or className.prototype.method = expr - return links.type = checkExpressionCached(declaration.parent.right); - } - } - // Handle variable, parameter or property - if (!pushTypeResolution(symbol, 0 /* Type */)) { - return unknownType; - } - var type = getWidenedTypeForVariableLikeDeclaration(declaration, /*reportErrors*/ true); - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - // Variable has type annotation that circularly references the variable itself - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - // Variable has initializer that circularly references the variable itself - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } - } - } - links.type = type; - } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 146 /* GetAccessor */) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } - } - return undefined; - } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (!pushTypeResolution(symbol, 0 /* Type */)) { - return unknownType; - } - var getter = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); - var setter = ts.getDeclarationOfKind(symbol, 147 /* SetAccessor */); - var type = void 0; - // First try to see if the user specified a return type on the get-accessor. - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - // If the user didn't specify a return type, try to use the set-accessor's parameter type. - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - // If there are no specified types, try to infer it from the body of the get accessor if it exists. - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); - } - } - links.type = type; - } - return links.type; - } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = createObjectType(65536 /* Anonymous */, symbol); - } - return links.type; - } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - } - return links.type; - } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - // It only makes sense to get the type of a value symbol. If the result of resolving - // the alias is not a value, then it has no type. To get the type associated with a - // type symbol, call getDeclaredTypeOfSymbol. - // This check is important because without it, a call to getTypeOfSymbol could end - // up recursively calling getTypeOfAlias, causing a stack overflow. - links.type = targetSymbol.flags & 107455 /* Value */ - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; - } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); - } - return links.type; - } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216 /* Instantiated */) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) { - return getTypeOfVariableOrParameterOrProperty(symbol); - } - if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { - return getTypeOfFuncClassEnumModule(symbol); - } - if (symbol.flags & 8 /* EnumMember */) { - return getTypeOfEnumMember(symbol); - } - if (symbol.flags & 98304 /* Accessor */) { - return getTypeOfAccessors(symbol); - } - if (symbol.flags & 8388608 /* Alias */) { - return getTypeOfAlias(symbol); - } - return unknownType; - } - function getTargetType(type) { - return type.flags & 4096 /* Reference */ ? type.target : type; - } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); - } - } - // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set. - // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set - // in-place and returns the same array. - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } - } - return typeParameters; - } - // Appends the outer type parameters of a node to a set of type parameters and returns the resulting set. The function - // allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set in-place and - // returns the same array. - function appendOuterTypeParameters(typeParameters, node) { - while (true) { - node = node.parent; - if (!node) { - return typeParameters; - } - if (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */ || - node.kind === 216 /* FunctionDeclaration */ || node.kind === 176 /* FunctionExpression */ || - node.kind === 144 /* MethodDeclaration */ || node.kind === 177 /* ArrowFunction */) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } - } - } - } - // The outer type parameters are those defined by enclosing generic classes, methods, or functions. - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 /* Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); - return appendOuterTypeParameters(undefined, declaration); - } - // The local type parameters are the combined set of type parameters from all declarations of the class, - // interface, or type alias. - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 217 /* ClassDeclaration */ || - node.kind === 189 /* ClassExpression */ || node.kind === 219 /* TypeAliasDeclaration */) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } - } - return result; - } - // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus - // its locally declared type parameters. - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); - } - function isConstructorType(type) { - return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; - } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); - } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1 /* Construct */), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); - } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); - } - return signatures; - } - // The base constructor of a class can resolve to - // undefinedType if the class has no extends clause, - // unknownType if an error occurred during resolution of the extends expression, - // nullType if the extends expression is the null value, or - // an object type with at least one construct signature. - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1 /* ResolvedBaseConstructorType */)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 80896 /* ObjectType */) { - // Resolving the members of a class requires us to resolve the base class of that class. - // We force resolution here such that we catch circularities now. - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; - } - type.resolvedBaseConstructorType = baseConstructorType; - } - return type.resolvedBaseConstructorType; - } - function getBaseTypes(type) { - var isClass = type.symbol.flags & 32 /* Class */; - var isInterface = type.symbol.flags & 64 /* Interface */; - if (!type.resolvedBaseTypes) { - if (!isClass && !isInterface) { - ts.Debug.fail("type must be class or interface"); - } - if (isClass) { - resolveBaseTypesOfClass(type); - } - if (isInterface) { - resolveBaseTypesOfInterface(type); - } - } - return type.resolvedBaseTypes; - } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 80896 /* ObjectType */)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* Class */ && - areAllOuterTypeParametersApplied(originalBaseType)) { - // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the - // class and all return the instance type of the class. There is no need for further checks and we can apply the - // type arguments in the same manner as a type reference to get the same error reporting experience. - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); - } - else { - // The class derives from a "class-like" constructor function, check that we have at least one construct signature - // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere - // we check that all instantiated signatures return the same type. - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; - } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - // An unapplied type parameter has its symbol still the same as the matching argument symbol. - // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked. - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; - } - return true; - } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } - } - } - // Returns true if the interface given by the symbol is free of "this" references. Specifically, the result is - // true if the interface itself contains no references to "this" in its body, if all base types are interfaces, - // and if none of the base interfaces have a "this" type. - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 /* InterfaceDeclaration */) { - if (declaration.flags & 262144 /* ContainsThis */) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isSupportedExpressionWithTypeArguments(node)) { - var baseSymbol = resolveEntityName(node.expression, 793056 /* Type */, /*ignoreErrors*/ true); - if (!baseSymbol || !(baseSymbol.flags & 64 /* Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } - } - } - } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 /* Class */ ? 1024 /* Class */ : 2048 /* Interface */; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type - // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular, - // property types inferred from initializers and method return types inferred from return statements are very hard - // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of - // "this" references. - if (outerTypeParameters || localTypeParameters || kind === 1024 /* Class */ || !isIndependentInterface(symbol)) { - type.flags |= 4096 /* Reference */; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = {}; - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(512 /* TypeParameter */ | 33554432 /* ThisType */); - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - // Note that we use the links object as the target here because the symbol object is used as the unique - // identity for resolution of the 'type' property in SymbolLinks. - if (!pushTypeResolution(symbol, 2 /* DeclaredType */)) { - return unknownType; - } - var declaration = ts.getDeclarationOfKind(symbol, 219 /* TypeAliasDeclaration */); - var type = getTypeFromTypeNode(declaration.type); - if (popTypeResolution()) { - links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (links.typeParameters) { - // Initialize the instantiation cache for generic type aliases. The declared type corresponds to - // an instantiation of the type alias with the type parameters supplied as type arguments. - links.instantiations = {}; - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(128 /* Enum */); - type.symbol = symbol; - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(512 /* TypeParameter */); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; - } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0); - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288 /* TypeAlias */) { - return getDeclaredTypeOfTypeAlias(symbol); - } - if (symbol.flags & 384 /* Enum */) { - return getDeclaredTypeOfEnum(symbol); - } - if (symbol.flags & 262144 /* TypeParameter */) { - return getDeclaredTypeOfTypeParameter(symbol); - } - if (symbol.flags & 8388608 /* Alias */) { - return getDeclaredTypeOfAlias(symbol); - } - return unknownType; - } - // A type reference is considered independent if each type argument is considered independent. - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; - } - } - } - return true; - } - // A type is considered independent if it the any, string, number, boolean, symbol, or void keyword, a string - // literal type, an array with an element type that is considered independent, or a type reference that is - // considered independent. - function isIndependentType(node) { - switch (node.kind) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 163 /* StringLiteralType */: - return true; - case 157 /* ArrayType */: - return isIndependentType(node.elementType); - case 152 /* TypeReference */: - return isIndependentTypeReference(node); - } - return false; - } - // A variable-like declaration is considered independent (free of this references) if it has a type annotation - // that specifies an independent type, or if it has no type annotation and no initializer (and thus of type any). - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; - } - // A function-like declaration is considered independent (free of this references) if it has a return type - // annotation that is considered independent and if each parameter is considered independent. - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 145 /* Constructor */ && (!node.type || !isIndependentType(node.type))) { - return false; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; - } - } - return true; - } - // Returns true if the class or interface member given by the symbol is free of "this" references. The - // function may return false for symbols that are actually free of "this" references because it is not - // feasible to perform a complete analysis in all cases. In particular, property members with types - // inferred from their initializers and function members with inferred return types are convervatively - // assumed not to be free of "this" references. - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return isIndependentVariableLikeDeclaration(declaration); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - return isIndependentFunctionLikeDeclaration(declaration); - } - } - } - return false; - } - function createSymbolTable(symbols) { - var result = {}; - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; - } - return result; - } - // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true, - // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation. - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = {}; - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; - } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!ts.hasProperty(symbols, s.name)) { - symbols[s.name] = s; - } - } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); - type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); - } - return type; - } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 4096 /* Reference */) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); - } - return type; - } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper = identityMapper; - var members = source.symbol.members; - var callSignatures = source.declaredCallSignatures; - var constructSignatures = source.declaredConstructSignatures; - var stringIndexType = source.declaredStringIndexType; - var numberIndexType = source.declaredNumberIndexType; - if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexType = instantiateType(source.declaredStringIndexType, mapper); - numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); - } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */)); - stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0 /* String */); - numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1 /* Number */); - } - } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); - } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); - } - function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasStringLiterals = hasStringLiterals; - return sig; - } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); - } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* Construct */); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false)]; - } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); - } - } - return result; - } - function createTupleTypeMemberSymbols(memberTypes) { - var members = {}; - for (var i = 0; i < memberTypes.length; i++) { - var symbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "" + i); - symbol.type = memberTypes[i]; - members[i] = symbol; - } - return members; - } - function resolveTupleTypeMembers(type) { - var arrayElementType = getUnionType(type.elementTypes, /*noSubtypeReduction*/ true); - // Make the tuple type itself the 'this' type by including an extra type argument - var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); - var members = createTupleTypeMemberSymbols(type.elementTypes); - addInheritedMembers(members, arrayType.properties); - setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); - } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } - } - } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - // We require an exact match for generic signatures, so we only return signatures from the first - // signature list and only if they have exact matches in the other signature lists. - if (listIndex > 0) { - return undefined; - } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ false)) { - return undefined; - } - } - return [signature]; - } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - // Allow matching non-generic signatures to have excess parameters and different return types - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreReturnTypes*/ true); - if (!match) { - return undefined; - } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); - } - } - return result; - } - // The signatures of a union type are those signatures that are present in each of the constituent types. - // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional - // parameters and may differ in return types. When signatures differ in return types, the resulting return - // type is the union of the constituent return types. - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - // Only process signatures with parameter lists that aren't already in the result list - if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - // Union the result types when more than one signature matches - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - // Clear resolved return type we possibly got from cloneSignature - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } - } - } - } - return result || emptyArray; - } - function getUnionIndexType(types, kind) { - var indexTypes = []; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexType = getIndexTypeOfType(type, kind); - if (!indexType) { - return undefined; - } - indexTypes.push(indexType); - } - return getUnionType(indexTypes); - } - function resolveUnionTypeMembers(type) { - // The members and properties collections are empty for union types. To get all properties of a union - // type use getPropertiesOfType (only the language service uses this). - var callSignatures = getUnionSignatures(type.types, 0 /* Call */); - var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); - var stringIndexType = getUnionIndexType(type.types, 0 /* String */); - var numberIndexType = getUnionIndexType(type.types, 1 /* Number */); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); - } - function resolveIntersectionTypeMembers(type) { - // The members and properties collections are empty for intersection types. To get all properties of an - // intersection type use getPropertiesOfType (only the language service uses this). - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexType = undefined; - var numberIndexType = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0 /* Call */)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1 /* Construct */)); - stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0 /* String */)); - numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1 /* Number */)); - } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0 /* Call */), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); - var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0 /* String */), type.mapper); - var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1 /* Number */), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else if (symbol.flags & 2048 /* TypeLiteral */) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); - var numberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else { - // Combinations of function, class, enum and module - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952 /* HasExports */) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32 /* Class */) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 80896 /* ObjectType */) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexType = (symbol.flags & 384 /* Enum */) ? stringType : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); - // We resolve the members before computing the signatures because a signature may use - // typeof with a qualified name expression that circularly references the type we are - // in the process of resolving (see issue #6072). The temporarily empty signature list - // will never be observed because a qualified name can't reference signatures. - if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } - } - } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 4096 /* Reference */) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (1024 /* Class */ | 2048 /* Interface */)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 65536 /* Anonymous */) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 8192 /* Tuple */) { - resolveTupleTypeMembers(type); - } - else if (type.flags & 16384 /* Union */) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 32768 /* Intersection */) { - resolveIntersectionTypeMembers(type); - } - } - return type; - } - /** Return properties of an object type or an empty array for other types */ - function getPropertiesOfObjectType(type) { - if (type.flags & 80896 /* ObjectType */) { - return resolveStructuredTypeMembers(type).properties; - } - return emptyArray; - } - /** If the given type is an object type and that type has a property by the given name, - * return the symbol for that property. Otherwise return undefined. */ - function getPropertyOfObjectType(type, name) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - } - } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getPropertyOfUnionOrIntersectionType(type, prop.name); - } - // The properties of a union type are those that are present in all constituent types, so - // we only need to check the properties of the first type - if (type.flags & 16384 /* Union */) { - break; - } - } - return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 49152 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); - } - /** - * The apparent type of a type parameter is the base constraint instantiated with the type parameter - * as the type argument for the 'this' type. - */ - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 512 /* TypeParameter */) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); - } - return type.resolvedApparentType; - } - /** - * For a type parameter, return the base constraint of the type parameter. For the string, number, - * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the - * type itself. Note that the apparent type of a union type is the union type itself. - */ - function getApparentType(type) { - if (type.flags & 512 /* TypeParameter */) { - type = getApparentTypeOfTypeParameter(type); - } - if (type.flags & 258 /* StringLike */) { - type = globalStringType; - } - else if (type.flags & 132 /* NumberLike */) { - type = globalNumberType; - } - else if (type.flags & 8 /* Boolean */) { - type = globalBooleanType; - } - else if (type.flags & 16777216 /* ESSymbol */) { - type = globalESSymbolType; - } - return type; - } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - // Flags we want to propagate to the result if they exist in all source symbols - var commonFlags = (containingType.flags & 32768 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 /* Private */ | 32 /* Protected */))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - } - else if (containingType.flags & 16384 /* Union */) { - // A union type requires the property to be present in all constituent types - return undefined; - } - } - } - if (!props) { - return undefined; - } - if (props.length === 1) { - return props[0]; - } - var propTypes = []; - var declarations = []; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - propTypes.push(getTypeOfSymbol(prop)); - } - var result = createSymbol(4 /* Property */ | - 67108864 /* Transient */ | - 268435456 /* SyntheticProperty */ | - commonFlags, name); - result.containingType = containingType; - result.declarations = declarations; - result.type = containingType.flags & 16384 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; - } - function getPropertyOfUnionOrIntersectionType(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = {}); - if (ts.hasProperty(properties, name)) { - return properties[name]; - } - var property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; - } - return property; - } - // Return the symbol for the property with the given name in the given type. Creates synthetic union properties when - // necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from - // Object and Function as appropriate. - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol = getPropertyOfObjectType(globalFunctionType, name); - if (symbol) { - return symbol; - } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 49152 /* UnionOrIntersection */) { - return getPropertyOfUnionOrIntersectionType(type, name); - } - return undefined; - } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 130048 /* StructuredType */) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; - } - return emptyArray; - } - /** - * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and - * maps primitive types and type parameters are to their apparent types. - */ - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); - } - function getIndexTypeOfStructuredType(type, kind) { - if (type.flags & 130048 /* StructuredType */) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 /* String */ ? resolved.stringIndexType : resolved.numberIndexType; - } - } - // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and - // maps primitive types and type parameters are to their apparent types. - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); - } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } - } - return undefined; - } - // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual - // type checking functions). - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; - } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); - } - } - return result; - } - function isOptionalParameter(node) { - if (node.parserContextFlags & 32 /* JavaScriptFile */) { - if (node.type && node.type.kind === 263 /* JSDocOptionalType */) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 263 /* JSDocOptionalType */; - } - } - } - if (ts.hasQuestionToken(node)) { - return true; - } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; - } - return false; - } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 69 /* Identifier */) { - var parameterName = node.parameterName; - return { - kind: 1 /* Identifier */, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; - } - else { - return { - kind: 0 /* This */, - type: getTypeFromTypeNode(node.type) - }; - } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var classType = declaration.kind === 145 /* Constructor */ ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var parameters = []; - var hasStringLiterals = false; - var minArgumentCount = -1; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - var returnType = undefined; - var typePredicate = undefined; - // If this is a JSDoc construct signature, then skip the first parameter in the - // parameter list. The first parameter represents the return type of the construct - // signature. - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - // Include parameter symbol instead of property symbol in the signature - if (paramSymbol && !!(paramSymbol.flags & 4 /* Property */) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455 /* Value */, undefined, undefined); - paramSymbol = resolvedSymbol; - } - parameters.push(paramSymbol); - if (param.type && param.type.kind === 163 /* StringLiteralType */) { - hasStringLiterals = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken) { - if (minArgumentCount < 0) { - minArgumentCount = i; - } - } - else { - // If we see any required parameters, it means the prior ones were not in fact optional. - minArgumentCount = -1; - } - } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length; - } - if (isJSConstructSignature) { - minArgumentCount--; - returnType = getTypeFromTypeNode(declaration.parameters[0].type); - } - else if (classType) { - returnType = classType; - } - else if (declaration.type) { - returnType = getTypeFromTypeNode(declaration.type); - if (declaration.type.kind === 151 /* TypePredicate */) { - typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); - } - } - else { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - returnType = type; - } - } - // TypeScript 1.0 spec (April 2014): - // If only one accessor includes a type annotation, the other behaves as if it had the same type annotation. - if (declaration.kind === 146 /* GetAccessor */ && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 147 /* SetAccessor */); - returnType = getAnnotatedAccessorType(setter); - } - if (!returnType && ts.nodeIsMissing(declaration.body)) { - returnType = anyType; - } - } - links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); - } - return links.resolvedSignature; - } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 264 /* JSDocFunctionType */: - // Don't include signature if node is the implementation of an overloaded function. A node is considered - // an implementation node if it has a body and the previous node is of the same kind and immediately - // precedes the implementation node (i.e. has the same parent and ends where the implementation starts). - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); - } - } - return result; - } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); - } - } - return anyType; - } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3 /* ResolvedReturnType */)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; - } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 4096 /* Reference */ && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; - } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), /*eraseTypeParameters*/ true); - } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - if (signature.target) { - signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); - } - else { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true); - } - } - return signature.erasedSignatureCache; - } - function getOrCreateTypeFromSignature(signature) { - // There are two ways to declare a construct signature, one is by declaring a class constructor - // using the constructor keyword, and the other is declaring a bare construct signature in an - // object type literal or interface (using the new keyword). Each way of declaring a constructor - // will result in a different declaration kind. - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 145 /* Constructor */ || signature.declaration.kind === 149 /* ConstructSignature */; - var type = createObjectType(65536 /* Anonymous */ | 262144 /* FromSignature */); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; - } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; - } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 /* Number */ ? 128 /* NumberKeyword */ : 130 /* StringKeyword */; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } - } - return undefined; - } - function getIndexTypeOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - return declaration - ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType - : undefined; - } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 138 /* TypeParameter */).constraint; - } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && !(type.flags & 33554432 /* ThisType */) && type.flags & 512 /* TypeParameter */ && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; - } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; - } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138 /* TypeParameter */).parent); - } - function getTypeListId(types) { - if (types) { - switch (types.length) { - case 1: - return "" + types[0].id; - case 2: - return types[0].id + "," + types[1].id; - default: - var result = ""; - for (var i = 0; i < types.length; i++) { - if (i > 0) { - result += ","; - } - result += types[i].id; - } - return result; - } - } - return ""; - } - // This function is used to propagate certain flags when creating new object type references and union types. - // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type - // of an object literal or the anyFunctionType. This is because there are operations in the type checker - // that care about the presence of such types at arbitrary depth in a containing type. - function getPropagatingFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - result |= type.flags; - } - return result & 14680064 /* PropagatingFlags */; - } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var flags = 4096 /* Reference */ | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; - } - // Get type from reference to class or interface - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */), typeParameters.length); - return unknownType; - } - // In a type reference, the outer type parameters of the referenced class or interface are automatically - // supplied as type arguments and the type reference only specifies arguments for the local type parameters - // of the class or interface. - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; - } - return type; - } - // Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include - // references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the - // declared type. Instantiations are cached using the type identities of the type arguments as the key. - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return type; - } - // Get type from reference to named type that cannot be generic (enum or type parameter) - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return getDeclaredTypeOfSymbol(symbol); - } - function getTypeReferenceName(node) { - switch (node.kind) { - case 152 /* TypeReference */: - return node.typeName; - case 262 /* JSDocTypeReference */: - return node.name; - case 191 /* ExpressionWithTypeArguments */: - // We only support expressions that are simple qualified names. For other - // expressions this produces undefined. - if (ts.isSupportedExpressionWithTypeArguments(node)) { - return node.expression; - } - } - return undefined; - } - function resolveTypeReferenceName(node, typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793056 /* Type */) || unknownSymbol; - } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288 /* TypeAlias */) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 /* Value */ && node.kind === 262 /* JSDocTypeReference */) { - // A JSDocTypeReference may have resolved to a value (as opposed to a type). In - // that case, the type of this reference is just the type of the value we resolved - // to. - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); - } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 262 /* JSDocTypeReference */) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(node, typeReferenceName); - type = getTypeReferenceType(node, symbol); - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - else { - // We only support expressions that are simple qualified names. For other expressions this produces undefined. - var typeNameOrExpression = node.kind === 152 /* TypeReference */ ? node.typeName : - ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : - undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056 /* Type */) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 /* Class */ | 64 /* Interface */) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 /* TypeAlias */ ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - // Cache both the resolved symbol and the resolved type. The resolved symbol is needed in when we check the - // type reference in checkTypeReferenceOrExpressionWithTypeArguments. - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; - } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - // TypeScript 1.0 spec (April 2014): 3.6.3 - // The expression is processed as an identifier expression (section 4.3) - // or property access expression(section 4.10), - // the widened type(section 3.9) of which becomes the result. - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; - } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 80896 /* ObjectType */)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; - } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; - } - return type; - } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455 /* Value */, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793056 /* Type */, ts.Diagnostics.Cannot_find_global_type_0); - } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); - } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); - } - /** - * Returns a type that is inside a namespace at the global scope, e.g. - * getExportedTypeFromNamespace('JSX', 'Element') returns the JSX.Element type - */ - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056 /* Type */); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); - } - function getGlobalESSymbolConstructorSymbol() { - return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); - } - /** - * Creates a TypeReference for a generic `TypedPropertyDescriptor`. - */ - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; - } - /** - * Instantiates a global type that is generic with some element type, and returns that instantiation. - */ - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; - } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(globalIterableType, [elementType]); - } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); - } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); - } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; - } - function createTupleType(elementTypes) { - var id = getTypeListId(elementTypes); - return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); - } - function createNewTupleType(elementTypes) { - var type = createObjectType(8192 /* Tuple */ | getPropagatingFlagsOfTypes(elementTypes)); - type.elementTypes = elementTypes; - return type; - } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function addTypeToSet(typeSet, type, typeSetKind) { - if (type.flags & typeSetKind) { - addTypesToSet(typeSet, type.types, typeSetKind); - } - else if (!ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - // Add the given types to the given type set. Order is preserved, duplicates are removed, - // and nested types of the given kind are flattened into the set. - function addTypesToSet(typeSet, types, typeSetKind) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToSet(typeSet, type, typeSetKind); - } - } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; - } - } - return false; - } - function removeSubtypes(types) { - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - types.splice(i, 1); - } - } - } - function containsTypeAny(types) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var type = types_5[_i]; - if (isTypeAny(type)) { - return true; - } - } - return false; - } - function removeAllButLast(types, typeToRemove) { - var i = types.length; - while (i > 0 && types.length > 1) { - i--; - if (types[i] === typeToRemove) { - types.splice(i, 1); - } - } - } - // We reduce the constituent type set to only include types that aren't subtypes of other types, unless - // the noSubtypeReduction flag is specified, in which case we perform a simple deduplication based on - // object identity. Subtype reduction is possible only when union types are known not to circularly - // reference themselves (as is the case with union types created by expression constructs such as array - // literals and the || and ?: operators). Named types can circularly reference themselves and therefore - // cannot be deduplicated during their declaration. For example, "type Item = string | (() => Item" is - // a named type that circularly references itself. - function getUnionType(types, noSubtypeReduction) { - if (types.length === 0) { - return emptyUnionType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 16384 /* Union */); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (noSubtypeReduction) { - removeAllButLast(typeSet, undefinedType); - removeAllButLast(typeSet, nullType); - } - else { - removeSubtypes(typeSet); - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = unionTypes[id]; - if (!type) { - type = unionTypes[id] = createObjectType(16384 /* Union */ | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromUnionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), /*noSubtypeReduction*/ true); - } - return links.resolvedType; - } - // We do not perform structural deduplication on intersection types. Intersection types are created only by the & - // type operator and we can't reduce those because we want to support recursive intersection types. For example, - // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. - // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution - // for intersections of types with signatures can be deterministic. - function getIntersectionType(types) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 32768 /* Intersection */); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - type = intersectionTypes[id] = createObjectType(32768 /* Intersection */ | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromIntersectionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - // Deferred resolution of members is handled by resolveObjectTypeMembers - links.resolvedType = createObjectType(65536 /* Anonymous */, node.symbol); - } - return links.resolvedType; - } - function getStringLiteralTypeForText(text) { - if (ts.hasProperty(stringLiteralTypes, text)) { - return stringLiteralTypes[text]; - } - var type = stringLiteralTypes[text] = createType(256 /* StringLiteral */); - type.text = text; - return type; - } - function getTypeFromStringLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getStringLiteralTypeForText(node.text); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNode); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 218 /* InterfaceDeclaration */)) { - if (!(container.flags & 64 /* Static */) && - (container.kind !== 145 /* Constructor */ || ts.isNodeDescendentOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; - } - } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNode(node) { - switch (node.kind) { - case 117 /* AnyKeyword */: - case 253 /* JSDocAllType */: - case 254 /* JSDocUnknownType */: - return anyType; - case 130 /* StringKeyword */: - return stringType; - case 128 /* NumberKeyword */: - return numberType; - case 120 /* BooleanKeyword */: - return booleanType; - case 131 /* SymbolKeyword */: - return esSymbolType; - case 103 /* VoidKeyword */: - return voidType; - case 162 /* ThisType */: - return getTypeFromThisTypeNode(node); - case 163 /* StringLiteralType */: - return getTypeFromStringLiteralTypeNode(node); - case 152 /* TypeReference */: - case 262 /* JSDocTypeReference */: - return getTypeFromTypeReference(node); - case 151 /* TypePredicate */: - return booleanType; - case 191 /* ExpressionWithTypeArguments */: - return getTypeFromTypeReference(node); - case 155 /* TypeQuery */: - return getTypeFromTypeQueryNode(node); - case 157 /* ArrayType */: - case 255 /* JSDocArrayType */: - return getTypeFromArrayTypeNode(node); - case 158 /* TupleType */: - return getTypeFromTupleTypeNode(node); - case 159 /* UnionType */: - case 256 /* JSDocUnionType */: - return getTypeFromUnionTypeNode(node); - case 160 /* IntersectionType */: - return getTypeFromIntersectionTypeNode(node); - case 161 /* ParenthesizedType */: - case 258 /* JSDocNullableType */: - case 259 /* JSDocNonNullableType */: - case 266 /* JSDocConstructorType */: - case 267 /* JSDocThisType */: - case 263 /* JSDocOptionalType */: - return getTypeFromTypeNode(node.type); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 156 /* TypeLiteral */: - case 264 /* JSDocFunctionType */: - case 260 /* JSDocRecordType */: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - // This function assumes that an identifier or qualified name is a type expression - // Callers should first ensure this by calling isTypeNode - case 69 /* Identifier */: - case 136 /* QualifiedName */: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 257 /* JSDocTupleType */: - return getTypeFromJSDocTupleType(node); - case 265 /* JSDocVariadicType */: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } - } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); - } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createTypeMapper(sources, targets) { - switch (sources.length) { - case 1: return createUnaryTypeMapper(sources[0], targets[0]); - case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); - } - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets[i]; - } - } - return t; - }; - } - function createUnaryTypeEraser(source) { - return function (t) { return t === source ? anyType : t; }; - } - function createBinaryTypeEraser(source1, source2) { - return function (t) { return t === source1 || t === source2 ? anyType : t; }; - } - function createTypeEraser(sources) { - switch (sources.length) { - case 1: return createUnaryTypeEraser(sources[0]); - case 2: return createBinaryTypeEraser(sources[0], sources[1]); - } - return function (t) { - for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { - var source = sources_1[_i]; - if (t === source) { - return anyType; - } - } - return t; - }; - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.context = context; - context.mapper = mapper; - } - return context.mapper; - } - function identityMapper(type) { - return type; - } - function combineTypeMappers(mapper1, mapper2) { - return function (t) { return instantiateType(mapper1(t), mapper2); }; - } - function cloneTypeParameter(typeParameter) { - var result = createType(512 /* TypeParameter */); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; - } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1 /* Identifier */, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0 /* This */, - type: instantiateType(predicate.type, mapper) - }; - } - } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - // First create a fresh set of type parameters, then include a mapping from the old to the - // new type parameters in the mapper function. Finally store this mapper in the new type - // parameters such that we can use it when instantiating constraints. - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; - } - } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); - } - var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); - result.target = signature; - result.mapper = mapper; - return result; - } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216 /* Instantiated */) { - var links = getSymbolLinks(symbol); - // If symbol being instantiated is itself a instantiation, fetch the original target and combine the - // type mappers. This ensures that original type identities are properly preserved and that aliases - // always reference a non-aliases. - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); - } - // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and - // also transient so that we can just store data on it directly. - var result = createSymbol(16777216 /* Instantiated */ | 67108864 /* Transient */ | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; - } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; - } - } - else { - mapper.instantiations = []; - } - // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it - var result = createObjectType(65536 /* Anonymous */ | 131072 /* Instantiated */, type.symbol); - result.target = type; - result.mapper = mapper; - mapper.instantiations[type.id] = result; - return result; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 512 /* TypeParameter */) { - return mapper(type); - } - if (type.flags & 65536 /* Anonymous */) { - return type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 4096 /* Reference */) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 8192 /* Tuple */) { - return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); - } - if (type.flags & 16384 /* Union */) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), /*noSubtypeReduction*/ true); - } - if (type.flags & 32768 /* Intersection */) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); - } - } - return type; - } - // Returns true if the given expression contains (at any level of nesting) a function or arrow expression - // that is subject to contextual typing. - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return isContextSensitiveFunctionLikeDeclaration(node); - case 168 /* ObjectLiteralExpression */: - return ts.forEach(node.properties, isContextSensitive); - case 167 /* ArrayLiteralExpression */: - return ts.forEach(node.elements, isContextSensitive); - case 185 /* ConditionalExpression */: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 184 /* BinaryExpression */: - return node.operatorToken.kind === 52 /* BarBarToken */ && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 248 /* PropertyAssignment */: - return isContextSensitive(node.initializer); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return isContextSensitiveFunctionLikeDeclaration(node); - case 175 /* ParenthesizedExpression */: - return isContextSensitive(node.expression); - } - return false; - } - function isContextSensitiveFunctionLikeDeclaration(node) { - return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); - } - function getTypeWithoutSignatures(type) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(65536 /* Anonymous */, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; - } - } - return type; - } - // TYPE CHECKING - function isTypeIdenticalTo(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined); - } - function compareTypesIdentical(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; - } - function compareTypesAssignable(source, target) { - return checkTypeRelatedTo(source, target, assignableRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; - } - function isTypeSubtypeOf(source, target) { - return checkTypeSubtypeOf(source, target, /*errorNode*/ undefined); - } - function isTypeAssignableTo(source, target) { - return checkTypeAssignableTo(source, target, /*errorNode*/ undefined); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, /*reportErrors*/ false, /*errorReporter*/ undefined, compareTypesAssignable) !== 0 /* False */; - } - /** - * See signatureRelatedTo, compareSignaturesIdentical - */ - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - // TODO (drosen): De-duplicate code between related functions. - if (source === target) { - return -1 /* True */; - } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0 /* False */; - } - // Spec 1.0 Section 3.8.3 & 3.8.4: - // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1 /* True */; - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(t, s, /*reportErrors*/ false) || compareTypes(s, t, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0 /* False */; - } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; - } - var sourceReturnType = getReturnTypeOfSignature(source); - // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0 /* False */; - } - } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); - } - } - return result; - } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0 /* False */; - } - if (source.kind === 1 /* Identifier */) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0 /* False */; - } - } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 /* False */ && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return related; - } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - // First see if the return types are compatible in either direction. - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, /*errorNode*/ undefined) - || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, /*errorNode*/ undefined)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true); - } - return false; - } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; - } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - // If both have rest parameters, get the max and add 1 to - // compensate for the rest parameter. - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; - } - else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); - } - } - else { - // Return the count for whichever signature doesn't have rest parameters. - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; - } - } - /** - * Checks if 'source' is related to 'target' (e.g.: is a assignable to). - * @param source The left-hand-side of the relation. - * @param target The right-hand-side of the relation. - * @param relation The relation considered. One of 'identityRelation', 'assignableRelation', or 'subTypeRelation'. - * Used as both to determine which checks are performed and as a cache of previously computed results. - * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used. - * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used. - * @param containingMessageChain A chain of errors to prepend any new errors found. - */ - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, /*reportErrors*/ !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); - } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); - } - return result !== 0 /* False */; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); - targetType = typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); - } - reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); - } - // Compare two types and return - // Ternary.True if they are related with no assumptions, - // Ternary.Maybe if they are related with assumptions of other relationships, or - // Ternary.False if they are not related. - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases - if (source === target) - return -1 /* True */; - if (relation === identityRelation) { - return isIdenticalTo(source, target); - } - if (isTypeAny(target)) - return -1 /* True */; - if (source === undefinedType) - return -1 /* True */; - if (source === nullType && target !== undefinedType) - return -1 /* True */; - if (source.flags & 128 /* Enum */ && target === numberType) - return -1 /* True */; - if (source.flags & 128 /* Enum */ && target.flags & 128 /* Enum */) { - if (result = enumRelatedTo(source, target)) { - return result; - } - } - if (source.flags & 256 /* StringLiteral */ && target === stringType) - return -1 /* True */; - if (relation === assignableRelation) { - if (isTypeAny(source)) - return -1 /* True */; - if (source === numberType && target.flags & 128 /* Enum */) - return -1 /* True */; - } - if (source.flags & 8 /* Boolean */ && target.flags & 8 /* Boolean */) { - return -1 /* True */; - } - if (source.flags & 1048576 /* FreshObjectLiteral */) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0 /* False */; - } - // Above we check for excess properties with respect to the entire target type. When union - // and intersection types are further deconstructed on the target side, we don't want to - // make the check again (as it might fail for a partial target type). Therefore we obtain - // the regular source type and proceed with that. - if (target.flags & 49152 /* UnionOrIntersection */) { - source = getRegularTypeOfObjectLiteral(source); - } - } - var saveErrorInfo = errorInfo; - // Note that the "each" checks must precede the "some" checks to produce the correct results - if (source.flags & 16384 /* Union */) { - if (result = eachTypeRelatedToType(source, target, reportErrors)) { - return result; - } - } - else if (target.flags & 32768 /* Intersection */) { - if (result = typeRelatedToEachType(source, target, reportErrors)) { - return result; - } - } - else { - // It is necessary to try "some" checks on both sides because there may be nested "each" checks - // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or - // A & B = (A & B) | (C & D). - if (source.flags & 32768 /* Intersection */) { - // If target is a union type the following check will report errors so we suppress them here - if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384 /* Union */))) { - return result; - } - } - if (target.flags & 16384 /* Union */) { - if (result = typeRelatedToSomeType(source, target, reportErrors)) { - return result; - } - } - } - if (source.flags & 512 /* TypeParameter */) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1 /* Any */) { - constraint = emptyObjectType; - } - // Report constraint errors only if the constraint is not the empty object type - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - else { - if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // We have type references to same target type, see if relationship holds for all type arguments - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } - } - // Even if relationship doesn't hold for unions, intersections, or generic type references, - // it may hold in a structural comparison. - var apparentSource = getApparentType(source); - // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates - // to X. Failing both of those we want to check if the aggregation of A and B's members structurally - // relates to X. Thus, we include intersection types on the source side here. - if (apparentSource.flags & (80896 /* ObjectType */ | 32768 /* Intersection */) && target.flags & 80896 /* ObjectType */) { - // Report structural errors only if we haven't reported any errors yet - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726 /* Primitive */); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - } - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0 /* False */; - } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */) { - if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // We have type references to same target type, see if all type arguments are identical - if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { - return result; - } - } - return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); - } - if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || - source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { - return result; - } - } - } - return 0 /* False */; - } - // Check if a property with the given name is known anywhere in the given type. In an object type, a property - // is considered known if the object type is empty and the check is for assignability, if the object type has - // index signatures, or if the property is actually declared in the object type. In a union or intersection - // type, a property is considered known if it is known in any constituent type. - function isKnownProperty(type, name) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || - resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { - return true; - } - } - else if (type.flags & 49152 /* UnionOrIntersection */) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } - } - } - return false; - } - function hasExcessProperties(source, target, reportErrors) { - if (!(target.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */) && someConstituentTypeHasKind(target, 80896 /* ObjectType */)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - // We know *exactly* where things went wrong when comparing the types. - // Use this property as the error node as this will be more helpful in - // reasoning about what went wrong. - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); - } - return true; - } - } - } - return false; - } - function eachTypeRelatedToSomeType(source, target) { - var result = -1 /* True */; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - for (var i = 0, len = targetTypes.length; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0 /* False */; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1 /* True */; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - for (var i = 0, len = sourceTypes.length; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0 /* False */; - } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1 /* True */; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0 /* False */; - } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1 /* True */; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - // Determine if two object types are related by structure. First, check if the result is already available in the global cache. - // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true. - // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are - // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion - // and issue an error. Otherwise, actually compare the structure of the two types. - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0 /* False */; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2 /* Failed */) { - // We are elaborating errors and the cached result is an unreported failure. Record the result as a reported - // failure and continue computing the relation such that errors get reported. - relation[id] = 3 /* FailedAndReported */; - } - else { - return related === 1 /* Succeeded */ ? -1 /* True */ : 0 /* False */; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - // If source and target are already being compared, consider them related with assumptions - if (maybeStack[i][id]) { - return 1 /* Maybe */; - } - } - if (depth === 100) { - overflow = true; - return 0 /* False */; - } - } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = {}; - maybeStack[depth][id] = 1 /* Succeeded */; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1 /* Maybe */; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0 /* Call */, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportErrors); - if (result) { - result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); - if (result) { - result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); - } - } - } - } - } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - // If result is definitely true, copy assumptions to global cache, else copy to next level up - var destinationCache = (result === -1 /* True */ || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyMap(maybeCache, destinationCache); - } - else { - // A false result goes straight into global cache (when something is false under assumptions it - // will also be false without assumptions) - relation[id] = reportErrors ? 3 /* FailedAndReported */ : 2 /* Failed */; - } - return result; - } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1 /* True */; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288 /* ObjectLiteral */); - for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { - var targetProp = properties_1[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912 /* Optional */) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0 /* False */; - } - } - else if (!(targetProp.flags & 134217728 /* Prototype */)) { - var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); - if (sourcePropFlags & 16 /* Private */ || targetPropFlags & 16 /* Private */) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 16 /* Private */ && targetPropFlags & 16 /* Private */) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 /* Private */ ? source : target), typeToString(sourcePropFlags & 16 /* Private */ ? target : source)); - } - } - return 0 /* False */; - } - } - else if (targetPropFlags & 32 /* Protected */) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32 /* Class */; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0 /* False */; - } - } - else if (sourcePropFlags & 32 /* Protected */) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0 /* False */; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0 /* False */; - } - result &= related; - if (sourceProp.flags & 536870912 /* Optional */ && !(targetProp.flags & 536870912 /* Optional */)) { - // TypeScript 1.0 spec (April 2014): 3.8.3 - // S is a subtype of a type T, and T is a supertype of S if ... - // S' and T are object types and, for each member M in T.. - // M is a property and S' contains a property N where - // if M is a required property, N is also a required property - // (M - property in T) - // (N - property in S) - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0 /* False */; - } - } - } - } - return result; - } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */)) { - return 0 /* False */; - } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0 /* False */; - } - var result = -1 /* True */; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0 /* False */; - } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); - } - if (target === anyFunctionType || source === anyFunctionType) { - return -1 /* True */; - } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 /* Construct */ && sourceSignatures.length && targetSignatures.length && - isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - // An abstract constructor type is not assignable to a non-abstract constructor type - // as it would otherwise be possible to new an abstract class. Note that the assignablity - // check we perform for an extends clause excludes construct signatures from the target, - // so this check never proceeds. - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); - } - return 0 /* False */; - } - var result = -1 /* True */; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - if (!t.hasStringLiterals || target.flags & 262144 /* FromSignature */) { - // Only elaborate errors from the first failure - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - if (!s.hasStringLiterals || source.flags & 262144 /* FromSignature */) { - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; - } - shouldElaborateErrors = false; - } - } - // don't elaborate the primitive apparent types (like Number) - // because the actual primitives will have already been reported. - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind)); - } - return 0 /* False */; - } - } - return result; - } - /** - * See signatureAssignableTo, compareSignaturesIdentical - */ - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, /*ignoreReturnTypes*/ false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0 /* False */; - } - var result = -1 /* True */; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreReturnTypes*/ false, isRelatedTo); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(0 /* String */, source, target); - } - var targetType = getIndexTypeOfType(target, 0 /* String */); - if (targetType) { - if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { - // non-primitive assignment to any is always allowed, eg - // `var x: { [index: string]: any } = { property: 12 };` - return -1 /* True */; - } - var sourceType = getIndexTypeOfType(source, 0 /* String */); - if (!sourceType) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0 /* False */; - } - var related = isRelatedTo(sourceType, targetType, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0 /* False */; - } - return related; - } - return -1 /* True */; - } - function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(1 /* Number */, source, target); - } - var targetType = getIndexTypeOfType(target, 1 /* Number */); - if (targetType) { - if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { - // non-primitive assignment to any is always allowed, eg - // `var x: { [index: number]: any } = { property: 12 };` - return -1 /* True */; - } - var sourceStringType = getIndexTypeOfType(source, 0 /* String */); - var sourceNumberType = getIndexTypeOfType(source, 1 /* Number */); - if (!(sourceStringType || sourceNumberType)) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0 /* False */; - } - var related = void 0; - if (sourceStringType && sourceNumberType) { - // If we know for sure we're testing both string and numeric index types then only report errors from the second one - related = isRelatedTo(sourceStringType, targetType, /*reportErrors*/ false) || isRelatedTo(sourceNumberType, targetType, reportErrors); - } - else { - related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); - } - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0 /* False */; - } - return related; - } - return -1 /* True */; - } - function indexTypesIdenticalTo(indexKind, source, target) { - var targetType = getIndexTypeOfType(target, indexKind); - var sourceType = getIndexTypeOfType(source, indexKind); - if (!sourceType && !targetType) { - return -1 /* True */; - } - if (sourceType && targetType) { - return isRelatedTo(sourceType, targetType); - } - return 0 /* False */; - } - function enumRelatedTo(source, target) { - if (source.symbol.name !== target.symbol.name || - source.symbol.flags & 128 /* ConstEnum */ || - target.symbol.flags & 128 /* ConstEnum */) { - return 0 /* False */; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8 /* EnumMember */) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8 /* EnumMember */)) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */)); - return 0 /* False */; - } - } - } - return -1 /* True */; - } - } - // Return true if the given type is the constructor type for an abstract class - function isAbstractConstructorType(type) { - if (type.flags & 65536 /* Anonymous */) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32 /* Class */) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && declaration.flags & 128 /* Abstract */) { - return true; - } - } - } - return false; - } - // Return true if the given type is part of a deeply nested chain of generic instantiations. We consider this to be the case - // when structural type comparisons have been started for 10 or more instantiations of the same generic type. It is possible, - // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely expanding. - // Effectively, we will generate a false positive when two types are structurally equal to at least 10 levels, but unequal at - // some level beyond that. - function isDeeplyNestedGeneric(type, stack, depth) { - // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) - if (type.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; - } - } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* False */; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - // Two members are considered identical when - // - they are public properties with identical names, optionality, and types, - // - they are private or protected properties originating in the same declaration and having identical types - if (sourceProp === targetProp) { - return -1 /* True */; - } - var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 /* Private */ | 32 /* Protected */); - var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 /* Private */ | 32 /* Protected */); - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0 /* False */; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0 /* False */; - } - } - else { - if ((sourceProp.flags & 536870912 /* Optional */) !== (targetProp.flags & 536870912 /* Optional */)) { - return 0 /* False */; - } - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - // A source signature matches a target signature if the two signatures have the same number of required, - // optional, and rest parameters. - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - // A source signature partially matches a target signature if the target signature has no fewer required - // parameters and no more overall parameters than the source signature (where a signature with a rest - // parameter is always considered to have more overall parameters than one without). - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || - source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - /** - * See signatureRelatedTo, compareSignaturesIdentical - */ - function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { - // TODO (drosen): De-duplicate code between related functions. - if (source === target) { - return -1 /* True */; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0 /* False */; - } - // Check that the two signatures have the same number of type parameters. We might consider - // also checking that any type parameter constraints match, but that would require instantiating - // the constraints with a common set of type arguments to get relatable entities in places where - // type parameters occur in the constraints. The complexity of doing that doesn't seem worthwhile, - // particularly as we're comparing erased versions of the signatures below. - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0 /* False */; - } - // Spec 1.0 Section 3.8.3 & 3.8.4: - // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1 /* True */; - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0 /* False */; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - if (candidate !== type && !isTypeSubtypeOf(type, candidate)) - return false; - } - return true; - } - function getCommonSupertype(types) { - return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - // The downfallType/bestSupertypeDownfallType is the first type that caused a particular candidate - // to not be the common supertype. So if it weren't for this one downfallType (and possibly others), - // the type in question could have been the common supertype. - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; - } - else if (!downfallType) { - downfallType = types[j]; - } - } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; - } - // types.length - 1 is the maximum score, given that getCommonSupertype returned false - if (bestSupertypeScore === types.length - 1) { - break; - } - } - // In the following errors, the {1} slot is before the {0} slot because checkTypeSubtypeOf supplies the - // subtype as the first argument to the error - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 4096 /* Reference */ && type.target === globalArrayType; - } - function isArrayLikeType(type) { - // A type is array-like if it is not the undefined or null type and if it is assignable to any[] - return !(type.flags & (32 /* Undefined */ | 64 /* Null */)) && isTypeAssignableTo(type, anyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isStringLiteralType(type) { - return type.flags & 256 /* StringLiteral */; - } - /** - * Check if a Type was written as a tuple type literal. - * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. - */ - function isTupleType(type) { - return !!(type.flags & 8192 /* Tuple */); - } - function getRegularTypeOfObjectLiteral(type) { - if (type.flags & 1048576 /* FreshObjectLiteral */) { - var regularType = type.regularType; - if (!regularType) { - regularType = createType(type.flags & ~1048576 /* FreshObjectLiteral */); - regularType.symbol = type.symbol; - regularType.members = type.members; - regularType.properties = type.properties; - regularType.callSignatures = type.callSignatures; - regularType.constructSignatures = type.constructSignatures; - regularType.stringIndexType = type.stringIndexType; - regularType.numberIndexType = type.numberIndexType; - type.regularType = regularType; - } - return regularType; - } - return type; - } - function getWidenedTypeOfObjectLiteral(type) { - var properties = getPropertiesOfObjectType(type); - var members = {}; - ts.forEach(properties, function (p) { - var propType = getTypeOfSymbol(p); - var widenedType = getWidenedType(propType); - if (propType !== widenedType) { - var symbol = createSymbol(p.flags | 67108864 /* Transient */, p.name); - symbol.declarations = p.declarations; - symbol.parent = p.parent; - symbol.type = widenedType; - symbol.target = p; - if (p.valueDeclaration) - symbol.valueDeclaration = p.valueDeclaration; - p = symbol; - } - members[p.name] = p; - }); - var stringIndexType = getIndexTypeOfType(type, 0 /* String */); - var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); - if (stringIndexType) - stringIndexType = getWidenedType(stringIndexType); - if (numberIndexType) - numberIndexType = getWidenedType(numberIndexType); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); - } - function getWidenedType(type) { - if (type.flags & 6291456 /* RequiresWidening */) { - if (type.flags & (32 /* Undefined */ | 64 /* Null */)) { - return anyType; - } - if (type.flags & 524288 /* ObjectLiteral */) { - return getWidenedTypeOfObjectLiteral(type); - } - if (type.flags & 16384 /* Union */) { - return getUnionType(ts.map(type.types, getWidenedType), /*noSubtypeReduction*/ true); - } - if (isArrayType(type)) { - return createArrayType(getWidenedType(type.typeArguments[0])); - } - if (isTupleType(type)) { - return createTupleType(ts.map(type.elementTypes, getWidenedType)); - } - } - return type; - } - /** - * Reports implicit any errors that occur as a result of widening 'null' and 'undefined' - * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to - * getWidenedType. But in some cases getWidenedType is called without reporting errors - * (type argument inference is an example). - * - * The return value indicates whether an error was in fact reported. The particular circumstances - * are on a best effort basis. Currently, if the null or undefined that causes widening is inside - * an object literal property (arbitrarily deeply), this function reports an error. If no error is - * reported, reportImplicitAnyError is a suitable fallback to report a general error. - */ - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 16384 /* Union */) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (isArrayType(type)) { - return reportWideningErrorsInType(type.typeArguments[0]); - } - if (isTupleType(type)) { - for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (type.flags & 524288 /* ObjectLiteral */) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 2097152 /* ContainsUndefinedOrNull */) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } - } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 139 /* Parameter */: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152 /* ContainsUndefinedOrNull */) { - // Report implicit any error within type if possible, otherwise report error on declaration - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); - } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = sourceMax > targetMax ? sourceMax : targetMax; - sourceMax--; - targetMax--; - } - else if (source.hasRestParameter) { - sourceMax--; - count = targetMax; - } - else if (target.hasRestParameter) { - targetMax--; - count = sourceMax; - } - else { - count = sourceMax < targetMax ? sourceMax : targetMax; - } - for (var i = 0; i < count; i++) { - var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); - callback(s, t); - } - } - function createInferenceContext(typeParameters, inferUnionTypes) { - var inferences = ts.map(typeParameters, createTypeInferencesObject); - return { - typeParameters: typeParameters, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(typeParameters.length) - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - isFixed: false - }; - } - function inferTypes(context, source, target) { - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - inferFromTypes(source, target); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; - } - } - return false; - } - function inferFromTypes(source, target) { - if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || - source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { - // Source and target are both unions or both intersections. First, find each - // target constituent type that has an identically matching source constituent - // type, and for each such target constituent type infer from the type to itself. - // When inferring from a type to itself we effectively find all type parameter - // occurrences within that type and infer themselves as their type arguments. - var matchingTypes = void 0; - for (var _i = 0, _a = target.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (typeIdenticalToSomeType(t, source.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - } - // Next, to improve the quality of inferences, reduce the source and target types by - // removing the identically matched constituents. For example, when inferring from - // 'string | string[]' to 'string | T' we reduce the types to 'string[]' and 'T'. - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); - } - } - if (target.flags & 512 /* TypeParameter */) { - // If target is a type parameter, make an inference, unless the source type contains - // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions). - // Because the anyFunctionType is internal, it should not be exposed to the user by adding - // it as an inference candidate. Hopefully, a better candidate will come along that does - // not contain anyFunctionType when we come back to this argument for its second round - // of inference. - if (source.flags & 8388608 /* ContainsAnyFunctionType */) { - return; - } - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - // Any inferences that are made to a type parameter in a union type are inferior - // to inferences made to a flat (non-union) type. This is because if we infer to - // T | string[], we really don't know if we should be inferring to T or not (because - // the correct constituent on the target side could be string[]). Therefore, we put - // such inferior inferences into a secondary bucket, and only use them if the primary - // bucket is empty. - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - } - return; - } - } - } - else if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // If source and target are references to the same generic type, infer from type arguments - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (source.flags & 8192 /* Tuple */ && target.flags & 8192 /* Tuple */ && source.elementTypes.length === target.elementTypes.length) { - // If source and target are tuples of the same size, infer from element types - var sourceTypes = source.elementTypes; - var targetTypes = target.elementTypes; - for (var i = 0; i < sourceTypes.length; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (target.flags & 49152 /* UnionOrIntersection */) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - // First infer to each type in union or intersection that isn't a type parameter - for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { - var t = targetTypes_2[_b]; - if (t.flags & 512 /* TypeParameter */ && ts.contains(context.typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - // Next, if target is a union type containing a single naked type parameter, make a - // secondary inference to that type parameter. We don't do this for intersection types - // because in a target type like Foo & T we don't know how which parts of the source type - // should be matched by Foo and which should be inferred to T. - if (target.flags & 16384 /* Union */ && typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; - } - } - else if (source.flags & 49152 /* UnionOrIntersection */) { - // Source is a union or intersection type, infer from each consituent type - var sourceTypes = source.types; - for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { - var sourceType = sourceTypes_3[_c]; - inferFromTypes(sourceType, target); - } - } - else { - source = getApparentType(source); - if (source.flags & 80896 /* ObjectType */ && (target.flags & 4096 /* Reference */ && target.typeArguments || - target.flags & 8192 /* Tuple */ || - target.flags & 65536 /* Anonymous */ && target.symbol && target.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */))) { - // If source is an object type, and target is a type reference with type arguments, a tuple type, - // the type of a method, or a type literal, infer from members - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0 /* Call */); - inferFromSignatures(source, target, 1 /* Construct */); - inferFromIndexTypes(source, target, 0 /* String */, 0 /* String */); - inferFromIndexTypes(source, target, 1 /* Number */, 1 /* Number */); - inferFromIndexTypes(source, target, 0 /* String */, 1 /* Number */); - depth--; - } - } - } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); - } - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); - } - else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - } - function inferFromIndexTypes(source, target, sourceKind, targetKind) { - var targetIndexType = getIndexTypeOfType(target, targetKind); - if (targetIndexType) { - var sourceIndexType = getIndexTypeOfType(source, sourceKind); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetIndexType); - } - } - } - } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } - } - return false; - } - /** - * Return a new union or intersection type computed by removing a given set of types - * from a given union or intersection type. - */ - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); - } - } - return type.flags & 16384 /* Union */ ? getUnionType(reducedTypes, /*noSubtypeReduction*/ true) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - // Infer widened union or supertype, or the unknown type for no common supertype - var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - // Infer the empty object type when no inferences were made. It is important to remember that - // in this case, inference still succeeds, meaning there is no error for not having inference - // candidates. An inference error only occurs when there are *conflicting* candidates, i.e. - // candidates with no common supertype. - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - // Only do the constraint check if inference succeeded (to prevent cascading errors) - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; - } - } - } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - // If inference failed, it is necessary to record the index of the failed type parameter (the one we are on). - // It might be that inference has already failed on a later type parameter on a previous call to inferTypeArguments. - // So if this failure is on preceding type parameter, this type parameter is the new failure index. - context.failedTypeParameterIndex = index; - } - } - return inferredType; - } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); - } - return context.inferredTypes; - } - // EXPRESSION TYPE CHECKING - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 /* Value */ | 1048576 /* ExportValue */, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; - } - return links.resolvedSymbol; - } - function isInTypeQuery(node) { - // TypeScript 1.0 spec (April 2014): 3.6.3 - // A type query consists of the keyword typeof followed by an expression. - // The expression is restricted to a single identifier or a sequence of identifiers separated by periods - while (node) { - switch (node.kind) { - case 155 /* TypeQuery */: - return true; - case 69 /* Identifier */: - case 136 /* QualifiedName */: - node = node.parent; - continue; - default: - return false; - } - } - ts.Debug.fail("should not get here"); - } - function hasInitializer(node) { - return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); - } - // Check if a given variable is assigned within a given syntax node - function isVariableAssignedWithin(symbol, node) { - var links = getNodeLinks(node); - if (links.assignmentChecks) { - var cachedResult = links.assignmentChecks[symbol.id]; - if (cachedResult !== undefined) { - return cachedResult; - } - } - else { - links.assignmentChecks = {}; - } - return links.assignmentChecks[symbol.id] = isAssignedIn(node); - function isAssignedInBinaryExpression(node) { - if (node.operatorToken.kind >= 56 /* FirstAssignment */ && node.operatorToken.kind <= 68 /* LastAssignment */) { - var n = skipParenthesizedNodes(node.left); - if (n.kind === 69 /* Identifier */ && getResolvedSymbol(n) === symbol) { - return true; - } - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedInVariableDeclaration(node) { - if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { - return true; - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedIn(node) { - switch (node.kind) { - case 184 /* BinaryExpression */: - return isAssignedInBinaryExpression(node); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return isAssignedInVariableDeclaration(node); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - case 167 /* ArrayLiteralExpression */: - case 168 /* ObjectLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - case 175 /* ParenthesizedExpression */: - case 182 /* PrefixUnaryExpression */: - case 178 /* DeleteExpression */: - case 181 /* AwaitExpression */: - case 179 /* TypeOfExpression */: - case 180 /* VoidExpression */: - case 183 /* PostfixUnaryExpression */: - case 187 /* YieldExpression */: - case 185 /* ConditionalExpression */: - case 188 /* SpreadElementExpression */: - case 195 /* Block */: - case 196 /* VariableStatement */: - case 198 /* ExpressionStatement */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 207 /* ReturnStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - case 210 /* LabeledStatement */: - case 211 /* ThrowStatement */: - case 212 /* TryStatement */: - case 247 /* CatchClause */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - case 238 /* JsxOpeningElement */: - case 243 /* JsxExpression */: - return ts.forEachChild(node, isAssignedIn); - } - return false; - } - } - // Get the narrowed type of a given symbol at a given location - function getNarrowedTypeOfSymbol(symbol, node) { - var type = getTypeOfSymbol(symbol); - // Only narrow when symbol is variable of type any or an object, union, or type parameter type - if (node && symbol.flags & 3 /* Variable */) { - if (isTypeAny(type) || type.flags & (80896 /* ObjectType */ | 16384 /* Union */ | 512 /* TypeParameter */)) { - var declaration = ts.getDeclarationOfKind(symbol, 214 /* VariableDeclaration */); - var top_1 = declaration && getDeclarationContainer(declaration); - var originalType = type; - var nodeStack = []; - loop: while (node.parent) { - var child = node; - node = node.parent; - switch (node.kind) { - case 199 /* IfStatement */: - case 185 /* ConditionalExpression */: - case 184 /* BinaryExpression */: - nodeStack.push({ node: node, child: child }); - break; - case 251 /* SourceFile */: - case 221 /* ModuleDeclaration */: - // Stop at the first containing file or module declaration - break loop; - } - if (node === top_1) { - break; - } - } - var nodes = void 0; - while (nodes = nodeStack.pop()) { - var node_1 = nodes.node, child = nodes.child; - switch (node_1.kind) { - case 199 /* IfStatement */: - // In a branch of an if statement, narrow based on controlling expression - if (child !== node_1.expression) { - type = narrowType(type, node_1.expression, /*assumeTrue*/ child === node_1.thenStatement); - } - break; - case 185 /* ConditionalExpression */: - // In a branch of a conditional expression, narrow based on controlling condition - if (child !== node_1.condition) { - type = narrowType(type, node_1.condition, /*assumeTrue*/ child === node_1.whenTrue); - } - break; - case 184 /* BinaryExpression */: - // In the right operand of an && or ||, narrow based on left operand - if (child === node_1.right) { - if (node_1.operatorToken.kind === 51 /* AmpersandAmpersandToken */) { - type = narrowType(type, node_1.left, /*assumeTrue*/ true); - } - else if (node_1.operatorToken.kind === 52 /* BarBarToken */) { - type = narrowType(type, node_1.left, /*assumeTrue*/ false); - } - } - break; - default: - ts.Debug.fail("Unreachable!"); - } - // Use original type if construct contains assignments to variable - if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { - type = originalType; - } - } - // Preserve old top-level behavior - if the branch is really an empty set, revert to prior type - if (type === emptyUnionType) { - type = originalType; - } - } - } - return type; - function narrowTypeByEquality(type, expr, assumeTrue) { - // Check that we have 'typeof ' on the left and string literal on the right - if (expr.left.kind !== 179 /* TypeOfExpression */ || expr.right.kind !== 9 /* StringLiteral */) { - return type; - } - var left = expr.left; - var right = expr.right; - if (left.expression.kind !== 69 /* Identifier */ || getResolvedSymbol(left.expression) !== symbol) { - return type; - } - if (expr.operatorToken.kind === 33 /* ExclamationEqualsEqualsToken */) { - assumeTrue = !assumeTrue; - } - var typeInfo = primitiveTypeInfo[right.text]; - // Don't narrow `undefined` - if (typeInfo && typeInfo.type === undefinedType) { - return type; - } - var flags; - if (typeInfo) { - flags = typeInfo.flags; - } - else { - assumeTrue = !assumeTrue; - flags = 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */ | 8 /* Boolean */; - } - // At this point we can bail if it's not a union - if (!(type.flags & 16384 /* Union */)) { - // If we're on the true branch and the type is a subtype, we should return the primitive type - if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { - return typeInfo.type; - } - // If the active non-union type would be removed from a union by this type guard, return an empty union - return filterUnion(type) ? type : emptyUnionType; - } - return getUnionType(ts.filter(type.types, filterUnion), /*noSubtypeReduction*/ true); - function filterUnion(type) { - return assumeTrue === !!(type.flags & flags); - } - } - function narrowTypeByAnd(type, expr, assumeTrue) { - if (assumeTrue) { - // The assumed result is true, therefore we narrow assuming each operand to be true. - return narrowType(narrowType(type, expr.left, /*assumeTrue*/ true), expr.right, /*assumeTrue*/ true); - } - else { - // The assumed result is false. This means either the first operand was false, or the first operand was true - // and the second operand was false. We narrow with those assumptions and union the two resulting types. - return getUnionType([ - narrowType(type, expr.left, /*assumeTrue*/ false), - narrowType(type, expr.right, /*assumeTrue*/ false) - ]); - } - } - function narrowTypeByOr(type, expr, assumeTrue) { - if (assumeTrue) { - // The assumed result is true. This means either the first operand was true, or the first operand was false - // and the second operand was true. We narrow with those assumptions and union the two resulting types. - return getUnionType([ - narrowType(type, expr.left, /*assumeTrue*/ true), - narrowType(type, expr.right, /*assumeTrue*/ true) - ]); - } - else { - // The assumed result is false, therefore we narrow assuming each operand to be false. - return narrowType(narrowType(type, expr.left, /*assumeTrue*/ false), expr.right, /*assumeTrue*/ false); - } - } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - // Check that type is not any, assumed result is true, and we have variable symbol on the left - if (isTypeAny(type) || expr.left.kind !== 69 /* Identifier */ || getResolvedSymbol(expr.left) !== symbol) { - return type; - } - // Check that right operand is a function type with a prototype property - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; - } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - // Target type is type of the prototype property - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } - } - if (!targetType) { - // Target type is type of construct signature - var constructSignatures = void 0; - if (rightType.flags & 2048 /* Interface */) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 65536 /* Anonymous */) { - constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } - } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); - } - return type; - } - function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { - if (!assumeTrue) { - if (originalType.flags & 16384 /* Union */) { - return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); - } - return originalType; - } - // If the current type is a union type, remove all constituents that aren't assignable to target. If that produces - // 0 candidates, fall back to the assignability check - if (originalType.flags & 16384 /* Union */) { - var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); - if (assignableConstituents.length) { - return getUnionType(assignableConstituents); - } - } - if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { - // Narrow to the target type if it's assignable to the current type - return narrowedTypeCandidate; - } - return originalType; - } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (type.flags & 1 /* Any */) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (ts.isIdentifierTypePredicate(predicate)) { - if (callExpression.arguments[predicate.parameterIndex] && - getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); - } - return type; - } - function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { - if (invokedExpression.kind === 170 /* ElementAccessExpression */ || invokedExpression.kind === 169 /* PropertyAccessExpression */) { - var accessExpression = invokedExpression; - var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); - if (possibleIdentifier.kind === 69 /* Identifier */ && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - return type; - } - function getSymbolAtTypePredicatePosition(expr) { - expr = skipParenthesizedNodes(expr); - switch (expr.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - return getSymbolOfEntityNameOrPropertyAccessExpression(expr); - } - } - // Narrow the given type based on the given expression having the assumed boolean value. The returned type - // will be a subtype or the same type as the argument. - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 171 /* CallExpression */: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 175 /* ParenthesizedExpression */: - return narrowType(type, expr.expression, assumeTrue); - case 184 /* BinaryExpression */: - var operator = expr.operatorToken.kind; - if (operator === 32 /* EqualsEqualsEqualsToken */ || operator === 33 /* ExclamationEqualsEqualsToken */) { - return narrowTypeByEquality(type, expr, assumeTrue); - } - else if (operator === 51 /* AmpersandAmpersandToken */) { - return narrowTypeByAnd(type, expr, assumeTrue); - } - else if (operator === 52 /* BarBarToken */) { - return narrowTypeByOr(type, expr, assumeTrue); - } - else if (operator === 91 /* InstanceOfKeyword */) { - return narrowTypeByInstanceof(type, expr, assumeTrue); - } - break; - case 182 /* PrefixUnaryExpression */: - if (expr.operator === 49 /* ExclamationToken */) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; - } - return type; - } - } - function skipParenthesizedNodes(expression) { - while (expression.kind === 175 /* ParenthesizedExpression */) { - expression = expression.expression; - } - return expression; - } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects. - // Although in down-level emit of arrow function, we emit it using function expression which means that - // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects - // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior. - // To avoid that we will give an error to users if they use arguments objects in arrow function so that they - // can explicitly bound arguments objects - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (container.kind === 177 /* ArrowFunction */) { - if (languageVersion < 2 /* ES6 */) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - } - if (node.parserContextFlags & 8 /* Await */) { - getNodeLinks(container).flags |= 8192 /* CaptureArguments */; - } - } - if (symbol.flags & 8388608 /* Alias */ && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); - } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - // Due to the emit for class decorators, any reference to the class from inside of the class body - // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind - // behavior of class names in ES6. - if (languageVersion === 2 /* ES6 */ - && localOrExportSymbol.flags & 32 /* Class */ - && localOrExportSymbol.valueDeclaration.kind === 217 /* ClassDeclaration */ - && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { - getNodeLinks(container).flags |= 524288 /* ClassWithBodyScopedClassBinding */; - getNodeLinks(node).flags |= 1048576 /* BodyScopedClassBinding */; - break; - } - container = ts.getContainingClass(container); - } - } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - return getNarrowedTypeOfSymbol(localOrExportSymbol, node); - } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; - } - current = current.parent; - } - return false; - } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 /* ES6 */ || - (symbol.flags & (2 /* BlockScopedVariable */ | 32 /* Class */)) === 0 || - symbol.valueDeclaration.parent.kind === 247 /* CatchClause */) { - return; - } - // 1. walk from the use site up to the declaration and check - // if there is anything function like between declaration and use-site (is binding/class is captured in function). - // 2. walk from the declaration up to the boundary of lexical environment and check - // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement) - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, /*lookInLabeledStatements*/ false)) { - containedInIterationStatement = true; - break; - } - current = current.parent; - } - if (containedInIterationStatement) { - if (usedInFunction) { - // mark iteration statement as containing block-scoped binding captured in some function - getNodeLinks(current).flags |= 65536 /* LoopWithCapturedBlockScopedBinding */; - } - // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement. - // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back. - if (container.kind === 202 /* ForStatement */ && - ts.getAncestor(symbol.valueDeclaration, 215 /* VariableDeclarationList */).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152 /* NeedsLoopOutParameter */; - } - // set 'declared inside loop' bit on the block-scoped binding - getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* BlockScopedBindingInLoop */; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072 /* CapturedBlockScopedBinding */; - } - } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - // skip parenthesized nodes - while (current.parent.kind === 175 /* ParenthesizedExpression */) { - current = current.parent; - } - // check if node is used as LHS in some assignment expression - var isAssigned = false; - if (current.parent.kind === 184 /* BinaryExpression */) { - isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); - } - if ((current.parent.kind === 182 /* PrefixUnaryExpression */ || current.parent.kind === 183 /* PostfixUnaryExpression */)) { - var expr = current.parent; - isAssigned = expr.operator === 41 /* PlusPlusToken */ || expr.operator === 42 /* MinusMinusToken */; - } - if (!isAssigned) { - return false; - } - // at this point we know that node is the target of assignment - // now check that modification happens inside the statement part of the ForStatement - while (current !== container) { - if (current === container.statement) { - return true; - } - else { - current = current.parent; - } - } - return false; - } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2 /* LexicalThis */; - if (container.kind === 142 /* PropertyDeclaration */ || container.kind === 145 /* Constructor */) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4 /* CaptureThis */; - } - else { - getNodeLinks(container).flags |= 4 /* CaptureThis */; - } - } - function findFirstSuperCall(n) { - if (ts.isSuperCallExpression(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; - } - return ts.forEachChild(n, findFirstSuperCall); - } - /** - * Return a cached result if super-statement is already found. - * Otherwise, find a super statement in a given constructor function and cache the result in the node-links of the constructor - * - * @param constructor constructor-function to look for super statement - */ - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - // Only trying to find super-call if we haven't yet tried to find one. Once we try, we will record the result - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; - } - return links.superCall; - } - /** - * Check if the given class-declaration extends null then return true. - * Otherwise, return false - * @param classDecl a class declaration to check if it extends null - */ - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullType; - } - function checkThisExpression(node) { - // Stop at the first arrow function so that we can - // tell whether 'this' needs to be captured. - var container = ts.getThisContainer(node, /* includeArrowFunctions */ true); - var needToCaptureLexicalThis = false; - if (container.kind === 145 /* Constructor */) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - // If a containing class does not have extends clause or the class extends null - // skip checking whether super statement is called before "this" accessing. - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - // We should give an error in the following cases: - // - No super-call - // - "this" is accessing before super-call. - // i.e super(this) - // this.x; super(); - // We want to make sure that super-call is done before accessing "this" so that - // "this" is not accessed as a parameter of the super-call. - if (!superCall || superCall.end > node.pos) { - // In ES6, super inside constructor of class-declaration has to precede "this" accessing - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); - } - } - } - // Now skip arrow functions to get the "real" owner of 'this'. - if (container.kind === 177 /* ArrowFunction */) { - container = ts.getThisContainer(container, /* includeArrowFunctions */ false); - // When targeting es6, arrow function lexically bind "this" so we do not need to do the work of binding "this" in emitted code - needToCaptureLexicalThis = (languageVersion < 2 /* ES6 */); - } - switch (container.kind) { - case 221 /* ModuleDeclaration */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks - break; - case 220 /* EnumDeclaration */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks - break; - case 145 /* Constructor */: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); - } - break; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - if (container.flags & 64 /* Static */) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); - } - break; - case 137 /* ComputedPropertyName */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - return container.flags & 64 /* Static */ ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); - if (type && type !== unknownType) { - return type; - } - // If this is a function in a JS file, it might be a class method. Check if it's the RHS - // of a x.prototype.y = function [name]() { .... } - if (container.kind === 176 /* FunctionExpression */) { - if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3 /* PrototypeProperty */) { - // Get the 'x' of 'x.prototype.y = f' (here, 'f' is 'container') - var className = container.parent // x.protoype.y = f - .left // x.prototype.y - .expression // x.prototype - .expression; // x - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* Function */)) { - return getInferredClassType(classSymbol); - } - } - } - } - return anyType; - } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264 /* JSDocFunctionType */) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267 /* JSDocThisType */) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); - } - } - } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 139 /* Parameter */) { - return true; - } - } - return false; - } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; - var container = ts.getSuperContainer(node, /*stopOnFunctions*/ true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - // adjust the container reference in case if super is used inside arrow functions with arbitrary deep nesting - while (container && container.kind === 177 /* ArrowFunction */) { - container = ts.getSuperContainer(container, /*stopOnFunctions*/ true); - needToCaptureLexicalThis = languageVersion < 2 /* ES6 */; - } - } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - // issue more specific error if super is used in computed property name - // class A { foo() { return "1" }} - // class B { - // [super.foo()]() {} - // } - var current = node; - while (current && current !== container && current.kind !== 137 /* ComputedPropertyName */) { - current = current.parent; - } - if (current && current.kind === 137 /* ComputedPropertyName */) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); - } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); - } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); - } - else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((container.flags & 64 /* Static */) || isCallExpression) { - nodeCheckFlag = 512 /* SuperStatic */; - } - else { - nodeCheckFlag = 256 /* SuperInstance */; - } - getNodeLinks(node).flags |= nodeCheckFlag; - // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference. - // This is due to the fact that we emit the body of an async function inside of a generator function. As generator - // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper - // uses an arrow function, which is permitted to reference `super`. - // - // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property - // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value - // of a property or indexed access, either as part of an assignment expression or destructuring assignment. - // - // The simplest case is reading a value, in which case we will emit something like the following: - // - // // ts - // ... - // async asyncMethod() { - // let x = await super.asyncMethod(); - // return x; - // } - // ... - // - // // js - // ... - // asyncMethod() { - // const _super = name => super[name]; - // return __awaiter(this, arguments, Promise, function *() { - // let x = yield _super("asyncMethod").call(this); - // return x; - // }); - // } - // ... - // - // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases - // are legal in ES6, but also likely less frequent, we emit the same more complex helper for both scenarios: - // - // // ts - // ... - // async asyncMethod(ar: Promise) { - // [super.a, super.b] = await ar; - // } - // ... - // - // // js - // ... - // asyncMethod(ar) { - // const _super = (function (geti, seti) { - // const cache = Object.create(null); - // return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } }); - // })(name => super[name], (name, value) => super[name] = value); - // return __awaiter(this, arguments, Promise, function *() { - // [_super("a").value, _super("b").value] = yield ar; - // }); - // } - // ... - // - // This helper creates an object with a "value" property that wraps the `super` property or indexed access for both get and set. - // This is required for destructuring assignments, as a call expression cannot be used as the target of a destructuring assignment - // while a property access can. - if (container.kind === 144 /* MethodDeclaration */ && container.flags & 256 /* Async */) { - if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096 /* AsyncMethodWithSuperBinding */; - } - else { - getNodeLinks(container).flags |= 2048 /* AsyncMethodWithSuper */; - } - } - if (needToCaptureLexicalThis) { - // call expressions are allowed only in constructors so they should always capture correct 'this' - // super property access expressions can also appear in arrow functions - - // in this case they should also use correct lexical this - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 168 /* ObjectLiteralExpression */) { - if (languageVersion < 2 /* ES6 */) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - // for object literal assume that type of 'super' is 'any' - return anyType; - } - } - // at this point the only legal case for parent is ClassLikeDeclaration - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; - } - if (container.kind === 145 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) { - // issue custom error message for super property access in constructor arguments (to be aligned with old compiler) - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; - } - return nodeCheckFlag === 512 /* SuperStatic */ - ? getBaseConstructorTypeOfClass(classType) - : baseClassType; - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - // TS 1.0 SPEC (April 2014): 4.8.1 - // Super calls are only permitted in constructors of derived classes - return container.kind === 145 /* Constructor */; - } - else { - // TS 1.0 SPEC (April 2014) - // 'super' property access is allowed - // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance - // - In a static member function or static member accessor - // topmost container must be something that is directly nested in the class declaration\object literal expression - if (ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */) { - if (container.flags & 64 /* Static */) { - return container.kind === 144 /* MethodDeclaration */ || - container.kind === 143 /* MethodSignature */ || - container.kind === 146 /* GetAccessor */ || - container.kind === 147 /* SetAccessor */; - } - else { - return container.kind === 144 /* MethodDeclaration */ || - container.kind === 143 /* MethodSignature */ || - container.kind === 146 /* GetAccessor */ || - container.kind === 147 /* SetAccessor */ || - container.kind === 142 /* PropertyDeclaration */ || - container.kind === 141 /* PropertySignature */ || - container.kind === 145 /* Constructor */; - } - } - } - return false; - } - } - // Return contextual type of parameter or undefined if no contextual type is available - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { - if (isContextSensitive(func)) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - // If last parameter is contextually rest parameter get its type - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); - } - } - } - } - return undefined; - } - // In a variable, parameter or property declaration with a type annotation, the contextual type of an initializer - // expression is the type of the variable, parameter or property. Otherwise, in a parameter declaration of a - // contextually typed function expression, the contextual type of an initializer expression is the contextual type - // of the parameter. Otherwise, in a variable or parameter declaration with a binding pattern name, the contextual - // type of an initializer expression is the type implied by the binding pattern. - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139 /* Parameter */) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true); - } - } - return undefined; - } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (func && !func.asteriskToken) { - return getContextualReturnType(func); - } - return undefined; - } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); - } - } - return undefined; - } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 139 /* Parameter */ && node.parent.initializer === node) { - return true; - } - node = node.parent; - } - return false; - } - function getContextualReturnType(functionDecl) { - // If the containing function has a return type annotation, is a constructor, or is a get accessor whose - // corresponding set accessor has a type annotation, return statements in the function are contextually typed - if (functionDecl.type || - functionDecl.kind === 145 /* Constructor */ || - functionDecl.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147 /* SetAccessor */))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); - } - // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature - // and that call signature is non-generic, return statements are contextually typed by the return type of the signature - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); - } - return undefined; - } - // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter. - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedSignature(callTarget); - return getTypeAtPosition(signature, argIndex); - } - return undefined; - } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 173 /* TaggedTemplateExpression */) { - return getContextualTypeForArgument(template.parent, substitutionExpression); - } - return undefined; - } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { - // In an assignment expression, the right operand is contextually typed by the type of the left operand. - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } - } - else if (operator === 52 /* BarBarToken */) { - // When an || expression has a contextual type, the operands are contextually typed by that type. When an || - // expression has no contextual type, the right operand is contextually typed by the type of the left operand. - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; - } - else if (operator === 51 /* AmpersandAmpersandToken */ || operator === 24 /* CommaToken */) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); - } - } - return undefined; - } - // Apply a mapping function to a contextual type and return the resulting type. If the contextual type - // is a union type, the mapping function is applied to each constituent type and a union of the resulting - // types is returned. - function applyToContextualType(type, mapper) { - if (!(type.flags & 16384 /* Union */)) { - return mapper(type); - } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var current = types_8[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); - } - } - } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; - } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 130048 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); - } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); - } - function contextualTypeIsStringLiteralType(type) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); - } - // Return true if the given contextual type is a tuple-like type - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); - } - // Return true if the given contextual type provides an index signature of the given kind - function contextualTypeHasIndexSignature(type, kind) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); - } - // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of - // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one - // exists. Otherwise, it is the type of the string index signature in T, if one exists. - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); - } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - // For a (non-symbol) computed property, there is no reason to look up the name - // in the type. It will just be "__computed", which does not appear in any - // SymbolTable. - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1 /* Number */) || - getIndexTypeOfContextualType(type, 0 /* String */); - } - return undefined; - } - // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is - // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature, - // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated - // type of T. - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1 /* Number */) - || (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(type, /*errorNode*/ undefined) : undefined); - } - return undefined; - } - // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type. - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; - } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 241 /* JsxAttribute */) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; - } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); - } - else if (attribute.kind === 242 /* JsxSpreadAttribute */) { - return attrsType; - } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); - } - // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily - // be "pushed" onto a node using the contextualType property. - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); - } - /** - * Woah! Do you really want to use this function? - * - * Unless you're trying to get the *non-apparent* type for a - * value-literal type or you're authoring relevant portions of this algorithm, - * you probably meant to use 'getApparentTypeOfContextualType'. - * Otherwise this may not be very useful. - * - * In cases where you *are* working on this function, you should understand - * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContetxualType'. - * - * - Use 'getContextualType' when you are simply going to propagate the result to the expression. - * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type. - * - * @param node the expression whose contextual type will be returned. - * @returns the contextual type of an expression. - */ - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - if (node.contextualType) { - return node.contextualType; - } - var parent = node.parent; - switch (parent.kind) { - case 214 /* VariableDeclaration */: - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 166 /* BindingElement */: - return getContextualTypeForInitializerExpression(node); - case 177 /* ArrowFunction */: - case 207 /* ReturnStatement */: - return getContextualTypeForReturnExpression(node); - case 187 /* YieldExpression */: - return getContextualTypeForYieldOperand(parent); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return getContextualTypeForArgument(parent, node); - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return getTypeFromTypeNode(parent.type); - case 184 /* BinaryExpression */: - return getContextualTypeForBinaryOperand(node); - case 248 /* PropertyAssignment */: - return getContextualTypeForObjectLiteralElement(parent); - case 167 /* ArrayLiteralExpression */: - return getContextualTypeForElementExpression(node); - case 185 /* ConditionalExpression */: - return getContextualTypeForConditionalOperand(node); - case 193 /* TemplateSpan */: - ts.Debug.assert(parent.parent.kind === 186 /* TemplateExpression */); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 175 /* ParenthesizedExpression */: - return getContextualType(parent); - case 243 /* JsxExpression */: - return getContextualType(parent); - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - return getContextualTypeForJsxAttribute(parent); - } - return undefined; - } - // If the given type is an object or union type, if that type has a single signature, and if - // that signature is non-generic, return the signature. Otherwise return undefined. - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; - } - } - } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 176 /* FunctionExpression */ || node.kind === 177 /* ArrowFunction */; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - // Only function expressions, arrow functions, and object literal methods are contextually typed. - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - // Return the contextual signature for a given expression node. A contextual type provides a - // contextual signature if it has a single call signature and if that call signature is non-generic. - // If the contextual type is a union type, get the signature from each type possible and if they are - // all identical ignoring their return type, the result is same signature but with return type as - // union type of return types from these signatures - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - var type = ts.isObjectLiteralMethod(node) - ? getContextualTypeForObjectLiteralMethod(node) - : getApparentTypeOfContextualType(node); - if (!type) { - return undefined; - } - if (!(type.flags & 16384 /* Union */)) { - return getNonGenericSignature(type); - } - var signatureList; - var types = type.types; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var current = types_9[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - // This signature will contribute to contextual union signature - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { - // Signatures aren't identical, do not use - return undefined; - } - else { - // Use this signature for contextual union signature - signatureList.push(signature); - } - } - } - // Result is union of signatures collected (return type is union of return types of this signature set) - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - // Clear resolved return type we possibly got from cloneSignature - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; - } - return result; - } - /** - * Detect if the mapper implies an inference context. Specifically, there are 4 possible values - * for a mapper. Let's go through each one of them: - * - * 1. undefined - this means we are not doing inferential typing, but we may do contextual typing, - * which could cause us to assign a parameter a type - * 2. identityMapper - means we want to avoid assigning a parameter a type, whether or not we are in - * inferential typing (context is undefined for the identityMapper) - * 3. a mapper created by createInferenceMapper - we are doing inferential typing, we want to assign - * types to parameters and fix type parameters (context is defined) - * 4. an instantiation mapper created by createTypeMapper or createTypeEraser - this should never be - * passed as the contextual mapper when checking an expression (context is undefined for these) - * - * isInferentialContext is detecting if we are in case 3 - */ - function isInferentialContext(mapper) { - return mapper && mapper.context; - } - // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property - // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is - // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ p: a}] = xxx'. - function isAssignmentTarget(node) { - var parent = node.parent; - if (parent.kind === 184 /* BinaryExpression */ && parent.operatorToken.kind === 56 /* EqualsToken */ && parent.left === node) { - return true; - } - if (parent.kind === 248 /* PropertyAssignment */) { - return isAssignmentTarget(parent.parent); - } - if (parent.kind === 167 /* ArrayLiteralExpression */) { - return isAssignmentTarget(parent); - } - return false; - } - function checkSpreadElementExpression(node, contextualMapper) { - // It is usually not safe to call checkExpressionCached if we can be contextually typing. - // You can tell that we are contextually typing because of the contextualMapper parameter. - // While it is true that a spread element can have a contextual type, it does not do anything - // with this type. It is neither affected by it, nor does it propagate it to its operand. - // So the fact that contextualMapper is passed is not important, because the operand of a spread - // element is not contextually typed. - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, /*allowStringInput*/ false); - } - function hasDefaultValue(node) { - return (node.kind === 166 /* BindingElement */ && !!node.initializer) || - (node.kind === 184 /* BinaryExpression */ && node.operatorToken.kind === 56 /* EqualsToken */); - } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 188 /* SpreadElementExpression */) { - // Given the following situation: - // var c: {}; - // [...c] = ["", 0]; - // - // c is represented in the tree as a spread element in an array literal. - // But c really functions as a rest element, and its purpose is to provide - // a contextual type for the right hand side of the assignment. Therefore, - // instead of calling checkExpression on "...c", which will give an error - // if c is not iterable/array-like, we need to act as if we are trying to - // get the contextual element type from it. So we do something similar to - // getContextualTypeForElementExpression, which will crucially not error - // if there is no index type / iterated type. - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1 /* Number */) || - (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(restArrayType, /*errorNode*/ undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpression(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 188 /* SpreadElementExpression */; - } - if (!hasSpreadElement) { - // If array literal is actually a destructuring pattern, mark it as an implied type. We do this such - // that we get the same behavior for "var [x, y] = []" and "[x, y] = []". - if (inDestructuringPattern && elementTypes.length) { - var type = createNewTupleType(elementTypes); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - // If array literal is contextually typed by a binding pattern or an assignment pattern, pad the resulting - // tuple type with the corresponding binding or assignment element types to make the lengths equal. - if (pattern && (pattern.kind === 165 /* ArrayBindingPattern */ || pattern.kind === 167 /* ArrayLiteralExpression */)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.elementTypes[i]); - } - else { - if (patternElement.kind !== 190 /* OmittedExpression */) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } - } - } - return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); - } - function isNumericName(name) { - return name.kind === 137 /* ComputedPropertyName */ ? isNumericComputedName(name) : isNumericLiteralName(name.text); - } - function isNumericComputedName(name) { - // It seems odd to consider an expression of type Any to result in a numeric name, - // but this behavior is consistent with checkIndexedAccess - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132 /* NumberLike */); - } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); - } - function isNumericLiteralName(name) { - // The intent of numeric names is that - // - they are names with text in a numeric form, and that - // - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit', - // acquired by applying the abstract 'ToNumber' operation on the name's text. - // - // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name. - // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold. - // - // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)' - // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'. - // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names - // because their 'ToString' representation is not equal to their original text. - // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1. - // - // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'. - // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation. - // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number. - // - // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional. - // This is desired behavior, because when indexing with them as numeric entities, you are indexing - // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively. - return (+name).toString() === name; - } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - // This will allow types number, string, symbol or any. It will also allow enums, the unknown - // type, and any union of these types (like string | number). - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, /*reportError*/ true); - } - } - return links.resolvedType; - } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = isAssignmentTarget(node); - // Grammar checking - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = {}; - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 164 /* ObjectBindingPattern */ || contextualType.pattern.kind === 168 /* ObjectLiteralExpression */); - var typeFlags = 0; - var patternWithComputedProperties = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 248 /* PropertyAssignment */ || - memberDecl.kind === 249 /* ShorthandPropertyAssignment */ || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 248 /* PropertyAssignment */) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 144 /* MethodDeclaration */) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 249 /* ShorthandPropertyAssignment */); - type = checkExpression(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 /* Property */ | 67108864 /* Transient */ | member.flags, member.name); - if (inDestructuringPattern) { - // If object literal is an assignment pattern and if the assignment pattern specifies a default value - // for the property, make the property optional. - var isOptional = (memberDecl.kind === 248 /* PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 249 /* ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912 /* Optional */; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && !(contextualType.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */)) { - // If object literal is contextually typed by the implied type of a binding pattern, and if the - // binding pattern specifies a default value for the property, make the property optional. - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912 /* Optional */; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - // TypeScript 1.0 spec (April 2014) - // A get accessor declaration is processed in the same manner as - // an ordinary function declaration(section 6.1) with no parameters. - // A set accessor declaration is processed in the same manner - // as an ordinary function declaration with a single parameter and a Void return type. - ts.Debug.assert(memberDecl.kind === 146 /* GetAccessor */ || memberDecl.kind === 147 /* SetAccessor */); - checkAccessorDeclaration(memberDecl); - } - if (!ts.hasDynamicName(memberDecl)) { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); - } - // If object literal is contextually typed by the implied type of a binding pattern, augment the result - // type with those properties for which the binding pattern specifies a default value. - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!ts.hasProperty(propertiesTable, prop.name)) { - if (!(prop.flags & 536870912 /* Optional */)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } - } - } - var stringIndexType = getIndexType(0 /* String */); - var numberIndexType = getIndexType(1 /* Number */); - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576 /* FreshObjectLiteral */; - result.flags |= 524288 /* ObjectLiteral */ | 4194304 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 14680064 /* PropagatingFlags */) | (patternWithComputedProperties ? 67108864 /* ObjectLiteralPatternWithComputedProperties */ : 0); - if (inDestructuringPattern) { - result.pattern = node; - } - return result; - function getIndexType(kind) { - if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { - var propTypes = []; - for (var i = 0; i < propertiesArray.length; i++) { - var propertyDecl = node.properties[i]; - if (kind === 0 /* String */ || isNumericName(propertyDecl.name)) { - // Do not call getSymbolOfNode(propertyDecl), as that will get the - // original symbol for the node. We actually want to get the symbol - // created by checkObjectLiteral, since that will be appropriately - // contextually typed and resolved. - var type = getTypeOfSymbol(propertiesArray[i]); - if (!ts.contains(propTypes, type)) { - propTypes.push(type); - } - } - } - var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; - typeFlags |= result_1.flags; - return result_1; - } - return undefined; - } - } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; - } - function checkJsxElement(node) { - // Check attributes - checkJsxOpeningLikeElement(node.openingElement); - // Perform resolution on the closing tag so that rename/go to definition/etc work - getJsxElementTagSymbol(node.closingElement); - // Check children - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 243 /* JsxExpression */: - checkJsxExpression(child); - break; - case 236 /* JsxElement */: - checkJsxElement(child); - break; - case 237 /* JsxSelfClosingElement */: - checkJsxSelfClosingElement(child); - break; - } - } - return jsxElementType || anyType; - } - /** - * Returns true iff the JSX element name would be a valid JS identifier, ignoring restrictions about keywords not being identifiers - */ - function isUnhyphenatedJsxName(name) { - // - is the only character supported in JSX attribute names that isn't valid in JavaScript identifiers - return name.indexOf("-") < 0; - } - /** - * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name - */ - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 136 /* QualifiedName */) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } - } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - // Look up the corresponding property for this attribute - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - // If there is no 'props' property, you may not have non-"data-" attributes - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - // Maybe there's a string indexer? - var indexerType = getIndexTypeOfType(elementAttributesType, 0 /* String */); - if (indexerType) { - correspondingPropType = indexerType; - } - else { - // If there's no corresponding property with this name, error - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; - } - } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - // is sugar for - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); - } - nameTable[node.name.text] = true; - return exprType; - } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - // Is there a corresponding property in the element attributes type? Skip checking of properties - // that have already been assigned to, as these are not actually pushed into the resulting type - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } - return type; - } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; - } - /// Given a JSX opening element or self-closing element, return the symbol of the property that the tag name points to if - /// this is an intrinsic tag. This might be a named - /// property of the IntrinsicElements interface, or its string indexer. - /// If this is a class-based tag (otherwise returns undefined), returns the symbol of the class - /// type or factory function. - /// Otherwise, returns unknownSymbol. - function getJsxElementTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - links.resolvedSymbol = lookupIntrinsicTag(node); - } - else { - links.resolvedSymbol = lookupClassTag(node); - } - } - return links.resolvedSymbol; - function lookupIntrinsicTag(node) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - // Property case - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1 /* IntrinsicNamedElement */; - return intrinsicProp; - } - // Intrinsic string indexer case - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */); - if (indexSignatureType) { - links.jsxFlags |= 2 /* IntrinsicIndexedElement */; - return intrinsicElementsType.symbol; - } - // Wasn't found - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return unknownSymbol; - } - } - function lookupClassTag(node) { - var valueSymbol = resolveJsxTagName(node); - // Look up the value in the current scope - if (valueSymbol && valueSymbol !== unknownSymbol) { - links.jsxFlags |= 4 /* ValueElement */; - if (valueSymbol.flags & 8388608 /* Alias */) { - markAliasSymbolAsReferenced(valueSymbol); - } - } - return valueSymbol || unknownSymbol; - } - function resolveJsxTagName(node) { - if (node.tagName.kind === 69 /* Identifier */) { - var tag = node.tagName; - var sym = getResolvedSymbol(tag); - return sym.exportSymbol || sym; - } - else { - return checkQualifiedName(node.tagName).symbol; - } - } - } - /** - * Given a JSX element that is a class element, finds the Element Instance Type. If the - * element is not a class element, or the class element type cannot be determined, returns 'undefined'. - * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). - */ - function getJsxElementInstanceType(node) { - // There is no such thing as an instance type for a non-class element. This - // line shouldn't be hit. - ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4 /* ValueElement */), "Should not call getJsxElementInstanceType on non-class Element"); - var classSymbol = getJsxElementTagSymbol(node); - if (classSymbol === unknownSymbol) { - // Couldn't find the class instance type. Error has already been issued - return anyType; - } - var valueType = getTypeOfSymbol(classSymbol); - if (isTypeAny(valueType)) { - // Short-circuit if the class tag is using an element type 'any' - return anyType; - } - // Resolve the signatures, preferring constructors - var signatures = getSignaturesOfType(valueType, 1 /* Construct */); - if (signatures.length === 0) { - // No construct signatures, try call signatures - signatures = getSignaturesOfType(valueType, 0 /* Call */); - if (signatures.length === 0) { - // We found no signatures at all, which is an error - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } - } - return getUnionType(signatures.map(getReturnTypeOfSignature)); - } - /// e.g. "props" for React.d.ts, - /// or 'undefined' if ElementAttributesPropery doesn't exist (which means all - /// non-intrinsic elements' attributes type is 'any'), - /// or '' if it has 0 properties (which means every - /// non-instrinsic elements' attributes type is the element instance type) - function getJsxElementPropertiesName() { - // JSX - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); - // JSX.ElementAttributesProperty [symbol] - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056 /* Type */); - // JSX.ElementAttributesProperty [type] - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - // The properites of JSX.ElementAttributesProperty - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - // Element Attributes has zero properties, so the element attributes type will be the class instance type - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; - } - } - else { - // No interface exists, so the element attributes type will be an implicit any - return undefined; - } - } - /** - * Given an opening/self-closing element, get the 'element attributes type', i.e. the type that tells - * us which attributes are valid on a given element. - */ - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - var sym = getJsxElementTagSymbol(node); - if (links.jsxFlags & 4 /* ValueElement */) { - // Get the element instance type (the result of newing or invoking this tag) - var elemInstanceType = getJsxElementInstanceType(node); - var elemClassType = getJsxGlobalElementClassType(); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - // Is this is a stateless function component? See if its single signature's return type is - // assignable to the JSX Element Type - var elemType = getTypeOfSymbol(sym); - var callSignatures = elemType && getSignaturesOfType(elemType, 0 /* Call */); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - // Intersect in JSX.IntrinsicAttributes if it exists - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return links.resolvedJsxType = paramType; - } - } - // Issue an error if this return type isn't assignable to JSX.ElementClass - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return links.resolvedJsxType = elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - // There is no type ElementAttributesProperty, return 'any' - return links.resolvedJsxType = anyType; - } - else if (propsName === "") { - // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead - return links.resolvedJsxType = elemInstanceType; - } - else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - // There is no property named 'props' on this instance type - return links.resolvedJsxType = emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - // Props is of type 'any' or unknown - return links.resolvedJsxType = attributesType; - } - else if (attributesType.flags & 16384 /* Union */) { - // Props cannot be a union type - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return links.resolvedJsxType = anyType; - } - else { - // Normal case -- add in IntrinsicClassElements and IntrinsicElements - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); - } - } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); - } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return links.resolvedJsxType = apparentAttributesType; - } - } - } - else if (links.jsxFlags & 1 /* IntrinsicNamedElement */) { - return links.resolvedJsxType = getTypeOfSymbol(sym); - } - else if (links.jsxFlags & 2 /* IntrinsicIndexedElement */) { - return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0 /* String */); - } - else { - // Resolution failed, so we don't know - return links.resolvedJsxType = anyType; - } - } - return links.resolvedJsxType; - } - /** - * Given a JSX attribute, returns the symbol for the corresponds property - * of the element attributes type. Will return unknownSymbol for attributes - * that have no matching element attributes type property. - */ - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - /// Returns all the properties of the Jsx.IntrinsicElements interface - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - // Preconditions for using JSX - if ((compilerOptions.jsx || 0 /* None */) === 0 /* None */) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); - } - } - } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - // The reactNamespace symbol should be marked as 'used' so we don't incorrectly elide its import. And if there - // is no reactNamespace symbol in scope when targeting React emit, we should issue an error. - var reactRefErr = compilerOptions.jsx === 2 /* React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = {}; - // Process this array in right-to-left order so we know which - // attributes (mostly from spreads) are being overwritten and - // thus should have their types ignored - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 241 /* JsxAttribute */) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 242 /* JsxSpreadAttribute */); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - // Check that all required properties have been provided. If an 'any' - // was spreaded in, though, assume that it provided all required properties - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912 /* Optional */) && - nameTable[targetProperties[i].name] === undefined) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } - } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; - } - } - // If a symbol is a synthesized symbol with no value declaration, we assume it is a property. Example of this are the synthesized - // '.prototype' property as well as synthesized tuple index properties. - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 142 /* PropertyDeclaration */; - } - function getDeclarationFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 /* Prototype */ ? 8 /* Public */ | 64 /* Static */ : 0; - } - /** - * Check whether the requested property access is valid. - * Returns true if node is a valid property access, and false otherwise. - * @param node The node to be checked. - * @param left The left hand side of the property access (e.g.: the super in `super.foo`). - * @param type The type of left. - * @param prop The symbol for the right hand side of the property access. - */ - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - if (left.kind === 95 /* SuperKeyword */) { - var errorNode = node.kind === 169 /* PropertyAccessExpression */ ? - node.name : - node.right; - // TS 1.0 spec (April 2014): 4.8.2 - // - In a constructor, instance member function, instance member accessor, or - // instance member variable initializer where this references a derived class instance, - // a super property access is permitted and must specify a public instance member function of the base class. - // - In a static member function or static member accessor - // where this references the constructor function object of a derived class, - // a super property access is permitted and must specify a public static member function of the base class. - if (languageVersion < 2 /* ES6 */ && getDeclarationKindFromSymbol(prop) !== 144 /* MethodDeclaration */) { - // `prop` refers to a *property* declared in the super class - // rather than a *method*, so it does not satisfy the above criteria. - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128 /* Abstract */) { - // A method cannot be accessed in a super property access if the method is abstract. - // This error could mask a private property access error. But, a member - // cannot simultaneously be private and abstract, so this will trigger an - // additional error elsewhere. - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - // Public properties are otherwise accessible. - if (!(flags & (16 /* Private */ | 32 /* Protected */))) { - return true; - } - // Property is known to be private or protected at this point - // Get the declaring and enclosing class instance types - var enclosingClassDeclaration = ts.getContainingClass(node); - var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; - // Private property is accessible if declaring and enclosing class are the same - if (flags & 16 /* Private */) { - if (declaringClass !== enclosingClass) { - error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - // Property is known to be protected at this point - // All protected properties of a supertype are accessible in a super access - if (left.kind === 95 /* SuperKeyword */) { - return true; - } - // A protected property is accessible in the declaring class and classes derived from it - if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); - return false; - } - // No further restrictions for static properties - if (flags & 64 /* Static */) { - return true; - } - // An instance property must be accessed through an instance of the enclosing class - if (type.flags & 33554432 /* ThisType */) { - // get the original type -- represented as the type constraint of the 'this' type - type = getConstraintOfTypeParameter(type); - } - // TODO: why is the first part of this check here? - if (!(getTargetType(type).flags & (1024 /* Class */ | 2048 /* Interface */) && hasBaseType(type, enclosingClass))) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); - return false; - } - return true; - } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); - } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); - } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkExpression(left); - if (isTypeAny(type)) { - return type; - } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType) { - // handle cases when type is Type parameter with invalid constraint - return unknownType; - } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text) { - error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 /* ThisType */ ? apparentType : type)); - } - return unknownType; - } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32 /* Class */) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - return getTypeOfSymbol(prop); - } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 169 /* PropertyAccessExpression */ - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32 /* Class */) { - return checkClassPropertyAccess(node, left, type, prop); - } - } - return true; - } - /** - * Return the symbol of the for-in variable declared or referenced by the given for-in statement. - */ - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 215 /* VariableDeclarationList */) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); - } - } - else if (initializer.kind === 69 /* Identifier */) { - return getResolvedSymbol(initializer); - } - return undefined; - } - /** - * Return true if the given type is considered to have numeric property names. - */ - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1 /* Number */) && !getIndexTypeOfType(type, 0 /* String */); - } - /** - * Return true if given node is an expression consisting of an identifier (possibly parenthesized) - * that references a for-in variable for an object with numeric property names. - */ - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 69 /* Identifier */) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3 /* Variable */) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 203 /* ForInStatement */ && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } - } - return false; - } - function checkIndexedAccess(node) { - // Grammar checking - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); - } - else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); - } - } - // Obtain base constraint such that we can bail out if the constraint is an unknown type - var objectType = getApparentType(checkExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType) { - return unknownType; - } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9 /* StringLiteral */)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; - } - // TypeScript 1.0 spec (April 2014): 4.10 Property Access - // - If IndexExpr is a string literal or a numeric literal and ObjExpr's apparent type has a property with the name - // given by that literal(converted to its string representation in the case of a numeric literal), the property access is of the type of that property. - // - Otherwise, if ObjExpr's apparent type has a numeric index signature and IndexExpr is of type Any, the Number primitive type, or an enum type, - // the property access is of the type of that index signature. - // - Otherwise, if ObjExpr's apparent type has a string index signature and IndexExpr is of type Any, the String or Number primitive type, or an enum type, - // the property access is of the type of that index signature. - // - Otherwise, if IndexExpr is of type Any, the String or Number primitive type, or an enum type, the property access is of type Any. - // See if we can index as a property. - if (node.argumentExpression) { - var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_11 !== undefined) { - var prop = getPropertyOfType(objectType, name_11); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); - return unknownType; - } - } - } - // Check for compatible indexer types. - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { - // Try to use a number indexer. - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132 /* NumberLike */) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexType = getIndexTypeOfType(objectType, 1 /* Number */); - if (numberIndexType) { - return numberIndexType; - } - } - // Try to use string indexing. - var stringIndexType = getIndexTypeOfType(objectType, 0 /* String */); - if (stringIndexType) { - return stringIndexType; - } - // Fall back to any. - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1 /* Number */) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); - } - return anyType; - } - // REVIEW: Users should know the type that was actually used. - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; - } - /** - * If indexArgumentExpression is a string literal or number literal, returns its text. - * If indexArgumentExpression is a constant value, returns its string value. - * If indexArgumentExpression is a well known symbol, returns the property name corresponding - * to this symbol, as long as it is a proper symbol reference. - * Otherwise, returns undefined. - */ - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 /* StringLiteral */ || indexArgumentExpression.kind === 8 /* NumericLiteral */) { - return indexArgumentExpression.text; - } - if (indexArgumentExpression.kind === 170 /* ElementAccessExpression */ || indexArgumentExpression.kind === 169 /* PropertyAccessExpression */) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); - } - } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, /*reportError*/ false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); - } - return undefined; - } - /** - * A proper symbol reference requires the following: - * 1. The property access denotes a property that exists - * 2. The expression is of the form Symbol. - * 3. The property access is of the primitive type symbol. - * 4. Symbol in this context resolves to the global Symbol object - */ - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - // There is already an error, so no need to report one. - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; - } - // Make sure the property type is the primitive symbol type - if ((expressionType.flags & 16777216 /* ESSymbol */) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); - } - return false; - } - // The name is Symbol., so make sure Symbol actually resolves to the - // global Symbol object - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; - } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - // Already errored when we tried to look up the symbol - return false; - } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); - } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 173 /* TaggedTemplateExpression */) { - checkExpression(node.template); - } - else if (node.kind !== 140 /* Decorator */) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); - } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - // Re-order candidate signatures into the result array. Assumes the result array to be empty. - // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order - // A nit here is that we reorder only signatures that belong to the same symbol, - // so order how inherited signatures are processed is still preserved. - // interface A { (x: string): void } - // interface B extends A { (x: 'foo'): string } - // const b: B; - // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void] - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_6 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_6 === lastParent) { - index++; - } - else { - lastParent = parent_6; - index = cutoffIndex; - } - } - else { - // current declaration belongs to a different symbol - // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex - index = cutoffIndex = result.length; - lastParent = parent_6; - } - lastSymbol = symbol; - // specialized signatures always need to be placed before non-specialized signatures regardless - // of the cutoff position; see GH#1133 - if (signature.hasStringLiterals) { - specializedIndex++; - spliceIndex = specializedIndex; - // The cutoff index always needs to be greater than or equal to the specialized signature index - // in order to prevent non-specialized signatures from being added before a specialized - // signature. - cutoffIndex++; - } - else { - spliceIndex = index; - } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 188 /* SpreadElementExpression */) { - return i; - } - } - return -1; - } - function hasCorrectArity(node, args, signature) { - var adjustedArgCount; // Apparent number of arguments we will have in this call - var typeArguments; // Type arguments (undefined if none) - var callIsIncomplete; // In incomplete call we want to be lenient when we have too few arguments - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 173 /* TaggedTemplateExpression */) { - var tagExpression = node; - // Even if the call is incomplete, we'll have a missing expression as our last argument, - // so we can say the count is just the arg list length - adjustedArgCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 186 /* TemplateExpression */) { - // If a tagged template expression lacks a tail literal, the call is incomplete. - // Specifically, a template only can end in a TemplateTail or a Missing literal. - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); // we should always have at least one span. - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; - } - else { - // If the template didn't end in a backtick, or its beginning occurred right prior to EOF, - // then this might actually turn out to be a TemplateHead in the future; - // so we consider the call to be incomplete. - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 11 /* NoSubstitutionTemplateLiteral */); - callIsIncomplete = !!templateLiteral.isUnterminated; - } - } - else if (node.kind === 140 /* Decorator */) { - isDecorator = true; - typeArguments = undefined; - adjustedArgCount = getEffectiveArgumentCount(node, /*args*/ undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - // This only happens when we have something of the form: 'new C' - ts.Debug.assert(callExpression.kind === 172 /* NewExpression */); - return signature.minArgumentCount === 0; - } - // For IDE scenarios we may have an incomplete call, so a trailing comma is tantamount to adding another argument. - adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; - // If we are missing the close paren, the call is incomplete. - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - // If the user supplied type arguments, but the number of type arguments does not match - // the declared number of type parameters, the call has an incorrect arity. - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { - return false; - } - // If spread arguments are present, check that they correspond to a rest parameter. If so, no - // further checking is necessary. - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); - } - // Too many arguments implies incorrect arity. - if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { - return false; - } - // If the call is incomplete, we should skip the lower bound check. - var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. - function getSingleCallSignature(type) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { - return resolved.callSignatures[0]; - } - } - return undefined; - } - // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec) - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature.typeParameters, /*inferUnionTypes*/ true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - // Type parameters from outer context referenced by source type are fixed by instantiation of the source type - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - // Clear out all the inference results from the last time inferTypeArguments was called on this context - for (var i = 0; i < typeParameters.length; i++) { - // As an optimization, we don't have to clear (and later recompute) inferred types - // for type parameters that have already been fixed on the previous call to inferTypeArguments. - // It would be just as correct to reset all of them. But then we'd be repeating the same work - // for the type parameters that were fixed, namely the work done by getInferredType. - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; - } - } - // On this call to inferTypeArguments, we may get more inferences for certain type parameters that were not - // fixed last time. This means that a type parameter that failed inference last time may succeed this time, - // or vice versa. Therefore, the failedTypeParameterIndex is useless if it points to an unfixed type parameter, - // because it may change. So here we reset it. However, getInferredType will not revisit any type parameters - // that were previously fixed. So if a fixed type parameter failed previously, it will fail again because - // it will contain the exact same set of inferences. So if we reset the index from a fixed type parameter, - // we will lose information that we won't recover this time around. - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; - } - // We perform two passes over the arguments. In the first pass we infer from all arguments, but use - // wildcards for all context sensitive function expressions. - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. - if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - // If the effective argument type is 'undefined', there is no synthetic type - // for the argument. In that case, we should check the argument. - if (argType === undefined) { - // For context sensitive arguments we pass the identityMapper, which is a signal to treat all - // context sensitive function expressions as wildcards - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); - } - inferTypes(context, argType, paramType); - } - } - // In the second pass we visit only context sensitive arguments, and only those that aren't excluded, this - // time treating function expressions normally (which may cause previously inferred type arguments to be fixed - // as we construct types for contextually typed parameters) - // Decorators will not have `excludeArgument`, as their arguments cannot be contextually typed. - // Tagged template expressions will always have `undefined` for `excludeArgument[0]`. - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - // No need to check for omitted args and template expressions, their exlusion value is always undefined - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); - } - } - } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable /* so far */) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; - } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); - } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); - } - } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. - if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { - // Check spread elements against rest type (from arity check we know spread argument corresponds to a rest parameter) - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - // If the effective argument type is 'undefined', there is no synthetic type - // for the argument. In that case, we should check the argument. - if (argType === undefined) { - argType = arg.kind === 9 /* StringLiteral */ && !reportErrors - ? getStringLiteralTypeForText(arg.text) - : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - // Use argument expression as error location when reporting errors - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; - } - } - } - return true; - } - /** - * Returns the effective arguments for an expression that works like a function invocation. - * - * If 'node' is a CallExpression or a NewExpression, then its argument list is returned. - * If 'node' is a TaggedTemplateExpression, a new argument list is constructed from the substitution - * expressions, where the first element of the list is `undefined`. - * If 'node' is a Decorator, the argument list will be `undefined`, and its arguments and types - * will be supplied from calls to `getEffectiveArgumentCount` and `getEffectiveArgumentType`. - */ - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 173 /* TaggedTemplateExpression */) { - var template = node.template; - args = [undefined]; - if (template.kind === 186 /* TemplateExpression */) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); - } - } - else if (node.kind === 140 /* Decorator */) { - // For a decorator, we return undefined as we will determine - // the number and types of arguments for a decorator using - // `getEffectiveArgumentCount` and `getEffectiveArgumentType` below. - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - /** - * Returns the effective argument count for a node that works like a function invocation. - * If 'node' is a Decorator, the number of arguments is derived from the decoration - * target and the signature: - * If 'node.target' is a class declaration or class expression, the effective argument - * count is 1. - * If 'node.target' is a parameter declaration, the effective argument count is 3. - * If 'node.target' is a property declaration, the effective argument count is 2. - * If 'node.target' is a method or accessor declaration, the effective argument count - * is 3, although it can be 2 if the signature only accepts two arguments, allowing - * us to match a property decorator. - * Otherwise, the argument count is the length of the 'args' array. - */ - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 140 /* Decorator */) { - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // A class decorator will have one argument (see `ClassDecorator` in core.d.ts) - return 1; - case 142 /* PropertyDeclaration */: - // A property declaration decorator will have two arguments (see - // `PropertyDecorator` in core.d.ts) - return 2; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - // A method or accessor declaration decorator will have two or three arguments (see - // `PropertyDecorator` and `MethodDecorator` in core.d.ts) - // If we are emitting decorators for ES3, we will only pass two arguments. - if (languageVersion === 0 /* ES3 */) { - return 2; - } - // If the method decorator signature only accepts a target and a key, we will only - // type check those arguments. - return signature.parameters.length >= 3 ? 3 : 2; - case 139 /* Parameter */: - // A parameter declaration decorator will have three arguments (see - // `ParameterDecorator` in core.d.ts) - return 3; - } - } - else { - return args.length; - } - } - /** - * Returns the effective type of the first argument to a decorator. - * If 'node' is a class declaration or class expression, the effective argument type - * is the type of the static side of the class. - * If 'node' is a parameter declaration, the effective argument type is either the type - * of the static or instance side of the class for the parameter's parent method, - * depending on whether the method is declared static. - * For a constructor, the type is always the type of the static side of the class. - * If 'node' is a property, method, or accessor declaration, the effective argument - * type is the type of the static or instance side of the parent class for class - * element, depending on whether the element is declared static. - */ - function getEffectiveDecoratorFirstArgumentType(node) { - // The first argument to a decorator is its `target`. - if (node.kind === 217 /* ClassDeclaration */) { - // For a class decorator, the `target` is the type of the class (e.g. the - // "static" or "constructor" side of the class) - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 139 /* Parameter */) { - // For a parameter decorator, the `target` is the parent type of the - // parameter's containing method. - node = node.parent; - if (node.kind === 145 /* Constructor */) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // For a property or method decorator, the `target` is the - // "static"-side type of the parent of the member if the member is - // declared "static"; otherwise, it is the "instance"-side type of the - // parent of the member. - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective type for the second argument to a decorator. - * If 'node' is a parameter, its effective argument type is one of the following: - * If 'node.parent' is a constructor, the effective argument type is 'any', as we - * will emit `undefined`. - * If 'node.parent' is a member with an identifier, numeric, or string literal name, - * the effective argument type will be a string literal type for the member name. - * If 'node.parent' is a computed property name, the effective argument type will - * either be a symbol type or the string type. - * If 'node' is a member with an identifier, numeric, or string literal name, the - * effective argument type will be a string literal type for the member name. - * If 'node' is a computed property name, the effective argument type will either - * be a symbol type or the string type. - * A class decorator does not have a second argument type. - */ - function getEffectiveDecoratorSecondArgumentType(node) { - // The second argument to a decorator is its `propertyKey` - if (node.kind === 217 /* ClassDeclaration */) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; - } - if (node.kind === 139 /* Parameter */) { - node = node.parent; - if (node.kind === 145 /* Constructor */) { - // For a constructor parameter decorator, the `propertyKey` will be `undefined`. - return anyType; - } - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // The `propertyKey` for a property or method decorator will be a - // string literal type if the member name is an identifier, number, or string; - // otherwise, if the member name is a computed property name it will - // be either string or symbol. - var element = node; - switch (element.name.kind) { - case 69 /* Identifier */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - return getStringLiteralTypeForText(element.name.text); - case 137 /* ComputedPropertyName */: - var nameType = checkComputedPropertyName(element.name); - if (allConstituentTypesHaveKind(nameType, 16777216 /* ESSymbol */)) { - return nameType; - } - else { - return stringType; - } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; - } - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective argument type for the third argument to a decorator. - * If 'node' is a parameter, the effective argument type is the number type. - * If 'node' is a method or accessor, the effective argument type is a - * `TypedPropertyDescriptor` instantiated with the type of the member. - * Class and property decorators do not have a third effective argument. - */ - function getEffectiveDecoratorThirdArgumentType(node) { - // The third argument to a decorator is either its `descriptor` for a method decorator - // or its `parameterIndex` for a paramter decorator - if (node.kind === 217 /* ClassDeclaration */) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 139 /* Parameter */) { - // The `parameterIndex` for a parameter decorator is always a number - return numberType; - } - if (node.kind === 142 /* PropertyDeclaration */) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // The `descriptor` for a method decorator will be a `TypedPropertyDescriptor` - // for the type of the member. - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective argument type for the provided argument to a decorator. - */ - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); - } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; - } - /** - * Gets the effective argument type for an argument in a call expression. - */ - function getEffectiveArgumentType(node, argIndex, arg) { - // Decorators provide special arguments, a tagged template expression provides - // a special first argument, and string literals get string literal types - // unless we're reporting errors - if (node.kind === 140 /* Decorator */) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { - return globalTemplateStringsArrayType; - } - // This is not a synthetic argument, so we return 'undefined' - // to signal that the caller needs to check the argument. - return undefined; - } - /** - * Gets the effective argument expression for an argument in a call expression. - */ - function getEffectiveArgument(node, args, argIndex) { - // For a decorator or the first argument of a tagged template expression we return undefined. - if (node.kind === 140 /* Decorator */ || - (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */)) { - return undefined; - } - return args[argIndex]; - } - /** - * Gets the error node to use when reporting errors for an effective argument. - */ - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 140 /* Decorator */) { - // For a decorator, we use the expression of the decorator for error reporting. - return node.expression; - } - else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { - // For a the first argument of a tagged template expression, we use the template of the tag for error reporting. - return node.template; - } - else { - return arg; - } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 173 /* TaggedTemplateExpression */; - var isDecorator = node.kind === 140 /* Decorator */; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - // We already perform checking on the type arguments on the class declaration itself. - if (node.expression.kind !== 95 /* SuperKeyword */) { - ts.forEach(typeArguments, checkSourceElement); - } - } - var candidates = candidatesOutArray || []; - // reorderCandidates fills up the candidates array directly - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - // The following applies to any value of 'excludeArgument[i]': - // - true: the argument at 'i' is susceptible to a one-time permanent contextual typing. - // - undefined: the argument at 'i' is *not* susceptible to permanent contextual typing. - // - false: the argument at 'i' *was* and *has been* permanently contextually typed. - // - // The idea is that we will perform type argument inference & assignability checking once - // without using the susceptible parameters that are functions, and once more for each of those - // parameters, contextually typing each as we go along. - // - // For a tagged template, then the first argument be 'undefined' if necessary - // because it represents a TemplateStringsArray. - // - // For a decorator, no arguments are susceptible to contextual typing due to the fact - // decorators are applied to a declaration by the emitter, and not to an expression. - var excludeArgument; - if (!isDecorator) { - // We do not need to call `getEffectiveArgumentCount` here as it only - // applies when calculating the number of arguments for a decorator. - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } - } - } - // The following variables are captured and modified by calls to chooseOverload. - // If overload resolution or type argument inference fails, we want to report the - // best error possible. The best error is one which says that an argument was not - // assignable to a parameter. This implies that everything else about the overload - // was fine. So if there is any overload that is only incorrect because of an - // argument, we will report an error on that one. - // - // function foo(s: string) {} - // function foo(n: number) {} // Report argument error on this overload - // function foo() {} - // foo(true); - // - // If none of the overloads even made it that far, there are two possibilities. - // There was a problem with type arguments for some overload, in which case - // report an error on that. Or none of the overloads even had correct arity, - // in which case give an arity error. - // - // function foo(x: T, y: T) {} // Report type argument inference error - // function foo() {} - // foo(0, true); - // - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - // Section 4.12.1: - // if the candidate list contains one or more signatures for which the type of each argument - // expression is a subtype of each corresponding parameter type, the return type of the first - // of those signatures becomes the return type of the function call. - // Otherwise, the return type of the first signature in the candidate list becomes the return - // type of the function call. - // - // Whether the call is an error is determined by assignability of the arguments. The subtype pass - // is just important for choosing the best signature. So in the case where there is only one - // signature, the subtype pass is useless. So skipping it is an optimization. - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation); - } - if (!result) { - // Reinitialize these pointers for round two - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation); - } - if (result) { - return result; - } - // No signatures were applicable. Now report errors based on the last applicable signature with - // no arguments excluded from assignability checks. - // If candidate is undefined, it means that no candidates had a suitable arity. In that case, - // skip the checkApplicableSignature check. - if (candidateForArgumentError) { - // excludeArgument is undefined, in this case also equivalent to [undefined, undefined, ...] - // The importance of excludeArgument is to prevent us from typing function expression parameters - // in arguments too early. If possible, we'd like to only type them once we know the correct - // overload. However, this matters for the case where the call is correct. When the call is - // an error, we don't need to exclude any arguments, although it would cause no harm to do so. - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true); - } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), /*reportErrors*/ true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(/*details*/ undefined, // details will be provided by call to reportNoCommonSupertypeError - ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } - } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - } - // No signature was applicable. We have already reported the errors for the invalid signature. - // If this is a type resolution session, e.g. Language Service, try to get better information that anySignature. - // Pick the first candidate that matches the arity. This way we can get a contextual type for cases like: - // declare function f(a: { xa: number; xb: number; }); - // f({ | - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); - } - return candidate; - } - } - } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - } - function chooseOverload(candidates, relation) { - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate.typeParameters, /*inferUnionTypes*/ false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, /*reportErrors*/ false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, /*reportErrors*/ false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - // A post-mortem of this iteration of the loop. The signature was not applicable, - // so we want to track it as a candidate for reporting an error. If the candidate - // had no type parameters, or had no issues related to type arguments, we can - // report an error based on the arguments. If there was an issue with type - // arguments, then we can only report an error based on the type arguments. - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; - } - } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 95 /* SuperKeyword */) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated - // with the type arguments specified in the extends clause. - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } - return resolveUntypedCall(node); - } - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - // Technically, this signatures list may be incomplete. We are taking the apparent type, - // but we are not including call signatures that may have been added to the Object or - // Function interface, since they have none by default. This is a bit of a leap of faith - // that the user will not add any. - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - var constructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */); - // TS 1.0 spec: 4.12 - // If FuncExpr is of type Any, or of an object type that has no call or construct signatures - // but is a subtype of the Function interface, the call is an untyped function call. In an - // untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual - // types are provided for the argument expressions, and the result is always of type Any. - // We exclude union types because we may have a union of function types that happen to have - // no common signatures. - if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { - // The unknownType indicates that an error already occured (and was reported). No - // need to report another error in this case. - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call. - // TypeScript employs overload resolution in typed function calls in order to support functions - // with multiple call signatures. - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); - } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - } - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1 /* ES5 */) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } - } - var expressionType = checkExpression(node.expression); - // If expressionType's apparent type(section 3.8.1) is an object type with one or - // more construct signatures, the expression is processed in the same manner as a - // function call, but using the construct signatures as the initial set of candidate - // signatures for overload resolution. The result type of the function call becomes - // the result type of the operation. - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - // If the expression is a class of abstract type, then it cannot be instantiated. - // Note, only class declarations can be declared abstract. - // In the case of a merged class-module or class-interface declaration, - // only the class declaration node will have the Abstract flag set. - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && valueDecl.flags & 128 /* Abstract */) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); - } - // TS 1.0 spec: 4.11 - // If expressionType is of type Any, Args can be any argument - // list and the result of the operation is of type Any. - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - // Technically, this signatures list may be incomplete. We are taking the apparent type, - // but we are not including construct signatures that may have been added to the Object or - // Function interface, since they have none by default. This is a bit of a leap of faith - // that the user will not add any. - var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */); - if (constructSignatures.length) { - return resolveCall(node, constructSignatures, candidatesOutArray); - } - // If expressionType's apparent type is an object type with no construct signatures but - // one or more call signatures, the expression is processed as a function call. A compile-time - // error occurs if the result of the function call is not Void. The type of the result of the - // operation is Any. - var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); - } - return signature; - } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384 /* Union */) && isTypeAssignableTo(tagType, globalFunctionType))) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - /** - * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression. - */ - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 139 /* Parameter */: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; - case 142 /* PropertyDeclaration */: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; - } - } - /** - * Resolves a decorator as if it were a call expression. - */ - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { - return resolveUntypedCall(node); - } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - // candidatesOutArray is passed by signature help in the language service, and collectCandidates - // must fill it up with the appropriate candidate signatures - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - // If getResolvedSignature has already been called, we will have cached the resolvedSignature. - // However, it is possible that either candidatesOutArray was not passed in the first time, - // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work - // to correctly fill the candidatesOutArray. - if (!links.resolvedSignature || candidatesOutArray) { - links.resolvedSignature = anySignature; - if (node.kind === 171 /* CallExpression */) { - links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); - } - else if (node.kind === 172 /* NewExpression */) { - links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); - } - else if (node.kind === 173 /* TaggedTemplateExpression */) { - links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); - } - else if (node.kind === 140 /* Decorator */) { - links.resolvedSignature = resolveDecorator(node, candidatesOutArray); - } - else { - ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); - } - } - return links.resolvedSignature; - } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, /*stringIndexType*/ undefined, /*numberIndexType*/ undefined); - } - return links.inferredClassType; - } - /** - * Syntactically and semantically checks a call or new expression. - * @param node The call/new expression to be checked. - * @returns On success, the expression's signature's return type. On failure, anyType. - */ - function checkCallExpression(node) { - // Grammar checking; stop grammar-checking if checkGrammarTypeArguments return true - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 95 /* SuperKeyword */) { - return voidType; - } - if (node.kind === 172 /* NewExpression */) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 145 /* Constructor */ && - declaration.kind !== 149 /* ConstructSignature */ && - declaration.kind !== 154 /* ConstructorType */ && - !ts.isJSDocConstructSignature(declaration)) { - // When resolved signature is a call signature (and not a construct signature) the result type is any, unless - // the declaring function had members created through 'x.prototype.y = expr' or 'this.y = expr' psuedodeclarations - // in a JS file - var funcSymbol = checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 /* Function */)) { - return getInferredClassType(funcSymbol); - } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); - } - return anyType; - } - } - // In JavaScript files, calls to any identifier 'require' are treated as external module imports - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); - } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - // Permit 'number[] | "foo"' to be asserted to 'string'. - var bothAreStringLike = someConstituentTypeHasKind(targetType, 258 /* StringLike */) && - someConstituentTypeHasKind(widenedType, 258 /* StringLike */); - if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { - checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); - } - } - return targetType; - } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; - } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - } - // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push - // the destructured type into the contained binding elements. - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - if (element.name.kind === 69 /* Identifier */) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } - } - } - } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - assignBindingElementTypes(parameter.valueDeclaration); - } - else if (isInferentialContext(mapper)) { - // Even if the parameter already has a type, it might be because it was given a type while - // processing the function as an argument to a prior signature during overload resolution. - // If this was the case, it may have caused some type parameters to be fixed. So here, - // we need to ensure that type parameters at the same positions get fixed again. This is - // done by calling instantiateType to attach the mapper to the contextualType, and then - // calling inferTypes to force a walk of contextualType so that all the correct fixing - // happens. The choice to pass in links.type may seem kind of arbitrary, but it serves - // to make sure that all the correct positions in contextualType are reached by the walk. - // Here is an example: - // - // interface Base { - // baseProp; - // } - // interface Derived extends Base { - // toBase(): Base; - // } - // - // var derived: Derived; - // - // declare function foo(x: T, func: (p: T) => T): T; - // declare function foo(x: T, func: (p: T) => T): T; - // - // var result = foo(derived, d => d.toBase()); - // - // We are typing d while checking the second overload. But we've already given d - // a type (Derived) from the first overload. However, we still want to fix the - // T in the second overload so that we do not infer Base as a candidate for T - // (inferring Base would make type argument inference inconsistent between the two - // overloads). - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); - } - } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); - } - return undefined; - } - function createPromiseType(promisedType) { - // creates a `Promise` type where `T` is the promisedType argument - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); - } - return emptyObjectType; - } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; - } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 195 /* Block */) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body should be unwrapped to its awaited type, which we will wrap in - // the native Promise type later in this function. - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); - if (types.length === 0) { - if (isAsync) { - // For an async function, the return type will not be void, but rather a Promise for void. - var promiseType = createPromiseType(voidType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return voidType; - } - } - } - // When yield/return statements are contextually typed we allow the return type to be a union type. - // Otherwise we require the yield/return expressions to have a best common supertype. - type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); - if (!type) { - if (funcIsGenerator) { - error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); - return createIterableIteratorType(unknownType); - } - else { - error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); - // Defer to unioning the return types so we get a) downstream errors earlier and b) better Salsa experience - return getUnionType(types); - } - } - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); - } - var widenedType = getWidenedType(type); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body is awaited type of the body, wrapped in a native Promise type. - var promiseType = createPromiseType(widenedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return widenedType; - } - } - function checkAndAggregateYieldOperandTypes(body, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - // A yield* expression effectively yields everything that its operand yields - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { - var aggregatedTypes = []; - ts.forEachReturnStatement(body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body should be unwrapped to its awaited type, which should be wrapped in - // the native Promise type by the caller. - type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - /** - * TypeScript Specification 1.0 (6.3) - July 2014 - * An explicitly typed function whose return type isn't the Void type, - * the Any type, or a union type containing the Void or Any type as a constituent - * must have at least one return statement somewhere in its body. - * An exception to this rule is if the function implementation consists of a single 'throw' statement. - * - * @param returnType - return type of the function, can be undefined if return type is not explicitly specified - */ - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions. - if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384 /* Union */) && someConstituentTypeHasKind(returnType, 1 /* Any */ | 16 /* Void */))) { - return; - } - // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check. - // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw - if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 /* Block */ || !(func.flags & 524288 /* HasImplicitReturn */)) { - return; - } - var hasExplicitReturn = func.flags & 1048576 /* HasExplicitReturn */; - if (returnType && !hasExplicitReturn) { - // minimal check: function has syntactic return type annotation and no explicit return statements in the body - // this function does not conform to the specification. - // NOTE: having returnType !== undefined is a precondition for entering this branch so func.type will always be present - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - // If return type annotation is omitted check if function has any explicit return statements. - // If it does not have any - its inferred return type is void - don't do any checks. - // Otherwise get inferred return type from function body and report error only if it is not void / anytype - var inferredReturnType = hasExplicitReturn - ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) - : voidType; - if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - // Grammar checking - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 176 /* FunctionExpression */) { - checkGrammarForGenerator(node); - } - // The identityMapper object is used to indicate that function expressions are wildcards - if (contextualMapper === identityMapper && isContextSensitive(node)) { - return anyFunctionType; - } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - // Check if function expression is contextually typed and assign parameter types if so. - // See the comment in assignTypeToParameterAndFixTypeParameters to understand why we need to - // check mightFixTypeParameters. - if (mightFixTypeParameters || !(links.flags & 1024 /* ContextChecked */)) { - var contextualSignature = getContextualSignature(node); - // If a type check is started at a function expression that is an argument of a function call, obtaining the - // contextual type may recursively get back to here during overload resolution of the call. If so, we will have - // already assigned contextual types. - var contextChecked = !!(links.flags & 1024 /* ContextChecked */); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024 /* ContextChecked */; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0 /* Call */)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } - } - if (produceDiagnostics && node.kind !== 144 /* MethodDeclaration */ && node.kind !== 143 /* MethodSignature */) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - // return is not necessary in the body of generators - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (node.body) { - if (!node.type) { - // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors - // we need. An example is the noImplicitAny errors resulting from widening the return expression - // of a function. Because checking of function expression bodies is deferred, there was never an - // appropriate time to do this during the main walk of the file (see the comment at the top of - // checkFunctionExpressionBodies). So it must be done now. - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 195 /* Block */) { - checkSourceElement(node.body); - } - else { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so we - // should not be checking assignability of a promise to the return type. Instead, we need to - // check assignability of the awaited type of the expression body against the promised type of - // its return type annotation. - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132 /* NumberLike */)) { - error(operand, diagnostic); - return false; - } - return true; - } - function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { - function findSymbol(n) { - var symbol = getNodeLinks(n).resolvedSymbol; - // Because we got the symbol from the resolvedSymbol property, it might be of kind - // SymbolFlags.ExportValue. In this case it is necessary to get the actual export - // symbol, which will have the correct flags set on it. - return symbol && getExportSymbolOfValueSymbolIfExported(symbol); - } - function isReferenceOrErrorExpression(n) { - // TypeScript 1.0 spec (April 2014): - // Expressions are classified as values or references. - // References are the subset of expressions that are permitted as the target of an assignment. - // Specifically, references are combinations of identifiers(section 4.3), parentheses(section 4.7), - // and property accesses(section 4.10). - // All other expression constructs described in this chapter are classified as values. - switch (n.kind) { - case 69 /* Identifier */: { - var symbol = findSymbol(n); - // TypeScript 1.0 spec (April 2014): 4.3 - // An identifier expression that references a variable or parameter is classified as a reference. - // An identifier expression that references any other kind of entity is classified as a value(and therefore cannot be the target of an assignment). - return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3 /* Variable */) !== 0; - } - case 169 /* PropertyAccessExpression */: { - var symbol = findSymbol(n); - // TypeScript 1.0 spec (April 2014): 4.10 - // A property access expression is always classified as a reference. - // NOTE (not in spec): assignment to enum members should not be allowed - return !symbol || symbol === unknownSymbol || (symbol.flags & ~8 /* EnumMember */) !== 0; - } - case 170 /* ElementAccessExpression */: - // old compiler doesn't check indexed access - return true; - case 175 /* ParenthesizedExpression */: - return isReferenceOrErrorExpression(n.expression); - default: - return false; - } - } - function isConstVariableReference(n) { - switch (n.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: { - var symbol = findSymbol(n); - return symbol && (symbol.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384 /* Const */) !== 0; - } - case 170 /* ElementAccessExpression */: { - var index = n.argumentExpression; - var symbol = findSymbol(n.expression); - if (symbol && index && index.kind === 9 /* StringLiteral */) { - var name_12 = index.text; - var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); - return prop && (prop.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384 /* Const */) !== 0; - } - return false; - } - case 175 /* ParenthesizedExpression */: - return isConstVariableReference(n.expression); - default: - return false; - } - } - if (!isReferenceOrErrorExpression(n)) { - error(n, invalidReferenceMessage); - return false; - } - if (isConstVariableReference(n)) { - error(n, constantVariableMessage); - return false; - } - return true; - } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; - } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; - } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedType; - } - function checkAwaitExpression(node) { - // Grammar checking - if (produceDiagnostics) { - if (!(node.parserContextFlags & 8 /* Await */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); - } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - switch (node.operator) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - if (someConstituentTypeHasKind(operandType, 16777216 /* ESSymbol */)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 49 /* ExclamationToken */: - return booleanType; - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - // run check only if former checks succeeded to avoid reporting cascading errors - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - return unknownType; - } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - // run check only if former checks succeeded to avoid reporting cascading errors - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - // Just like isTypeOfKind below, except that it returns true if *any* constituent - // has this kind. - function someConstituentTypeHasKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152 /* UnionOrIntersection */) { - var types = type.types; - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var current = types_10[_i]; - if (current.flags & kind) { - return true; - } - } - return false; - } - return false; - } - // Return true if type has the given flags, or is a union or intersection type composed of types that all have those flags. - function allConstituentTypesHaveKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152 /* UnionOrIntersection */) { - var types = type.types; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var current = types_11[_i]; - if (!(current.flags & kind)) { - return false; - } - } - return true; - } - return false; - } - function isConstEnumObjectType(type) { - return type.flags & (80896 /* ObjectType */ | 65536 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); - } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128 /* ConstEnum */) !== 0; - } - function checkInstanceOfExpression(left, right, leftType, rightType) { - // TypeScript 1.0 spec (April 2014): 4.15.4 - // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, - // and the right operand to be of type Any or a subtype of the 'Function' interface type. - // The result is always of the Boolean primitive type. - // NOTE: do not raise error if leftType is unknown as related error was already reported - if (allConstituentTypesHaveKind(leftType, 16777726 /* Primitive */)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - // NOTE: do not raise error if right is unknown as related error was already reported - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); - } - return booleanType; - } - function checkInExpression(left, right, leftType, rightType) { - // TypeScript 1.0 spec (April 2014): 4.15.5 - // The in operator requires the left operand to be of type Any, the String primitive type, or the Number primitive type, - // and the right operand to be of type Any, an object type, or a type parameter type. - // The result is always of the Boolean primitive type. - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; - } - function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { - var properties = node.properties; - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var p = properties_3[_i]; - if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { - var name_13 = p.name; - if (name_13.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(name_13); - } - if (isComputedNonLiteralName(name_13)) { - continue; - } - var text = getTextOfPropertyName(name_13); - var type = isTypeAny(sourceType) - ? sourceType - : getTypeOfPropertyOfType(sourceType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1 /* Number */) || - getIndexTypeOfType(sourceType, 0 /* String */); - if (type) { - if (p.kind === 249 /* ShorthandPropertyAssignment */) { - checkDestructuringAssignment(p, type); - } - else { - // non-shorthand property assignments should always have initializers - checkDestructuringAssignment(p.initializer, type); - } - } - else { - error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); - } - } - else { - error(p, ts.Diagnostics.Property_assignment_expected); - } - } - return sourceType; - } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - // This elementType will be used if the specific property corresponding to this index is not - // present (aka the tuple element property). This call also checks that the parentType is in - // fact an iterable or array (depending on target language). - var elementType = checkIteratedTypeOrElementType(sourceType, node, /*allowStringInput*/ false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190 /* OmittedExpression */) { - if (e.kind !== 188 /* SpreadElementExpression */) { - var propName = "" + i; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - checkDestructuringAssignment(e, type, contextualMapper); - } - else { - if (isTupleType(sourceType)) { - error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); - } - else { - error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); - } - } - } - else { - if (i < elements.length - 1) { - error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - else { - var restExpression = e.expression; - if (restExpression.kind === 184 /* BinaryExpression */ && restExpression.operatorToken.kind === 56 /* EqualsToken */) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - else { - checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); - } - } - } - } - } - return sourceType; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 249 /* ShorthandPropertyAssignment */) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); - } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 168 /* ObjectLiteralExpression */) { - return checkObjectLiteralAssignment(target, sourceType, contextualMapper); - } - if (target.kind === 167 /* ArrayLiteralExpression */) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); - } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { - checkTypeAssignableTo(sourceType, targetType, target, /*headMessage*/ undefined); - } - return sourceType; - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 56 /* EqualsToken */ && (left.kind === 168 /* ObjectLiteralExpression */ || left.kind === 167 /* ArrayLiteralExpression */)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); - } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 37 /* AsteriskToken */: - case 38 /* AsteriskAsteriskToken */: - case 59 /* AsteriskEqualsToken */: - case 60 /* AsteriskAsteriskEqualsToken */: - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - case 40 /* PercentToken */: - case 62 /* PercentEqualsToken */: - case 36 /* MinusToken */: - case 58 /* MinusEqualsToken */: - case 43 /* LessThanLessThanToken */: - case 63 /* LessThanLessThanEqualsToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 47 /* BarToken */: - case 67 /* BarEqualsToken */: - case 48 /* CaretToken */: - case 68 /* CaretEqualsToken */: - case 46 /* AmpersandToken */: - case 66 /* AmpersandEqualsToken */: - // TypeScript 1.0 spec (April 2014): 4.19.1 - // These operators require their operands to be of type Any, the Number primitive type, - // or an enum type. Operands of an enum type are treated - // as having the primitive type Number. If one operand is the null or undefined value, - // it is treated as having the type of the other operand. - // The result is always of the Number primitive type. - if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) - leftType = rightType; - if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) - rightType = leftType; - var suggestedOperator = void 0; - // if a user tries to apply a bitwise operator to 2 boolean operands - // try and return them a helpful suggestion - if ((leftType.flags & 8 /* Boolean */) && - (rightType.flags & 8 /* Boolean */) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); - } - else { - // otherwise just check each operand separately and report errors as normal - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } - } - return numberType; - case 35 /* PlusToken */: - case 57 /* PlusEqualsToken */: - // TypeScript 1.0 spec (April 2014): 4.19.2 - // The binary + operator requires both operands to be of the Number primitive type or an enum type, - // or at least one of the operands to be of type Any or the String primitive type. - // If one operand is the null or undefined value, it is treated as having the type of the other operand. - if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) - leftType = rightType; - if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) - rightType = leftType; - var resultType = void 0; - if (allConstituentTypesHaveKind(leftType, 132 /* NumberLike */) && allConstituentTypesHaveKind(rightType, 132 /* NumberLike */)) { - // Operands of an enum type are treated as having the primitive type Number. - // If both operands are of the Number primitive type, the result is of the Number primitive type. - resultType = numberType; - } - else { - if (allConstituentTypesHaveKind(leftType, 258 /* StringLike */) || allConstituentTypesHaveKind(rightType, 258 /* StringLike */)) { - // If one or both operands are of the String primitive type, the result is of the String primitive type. - resultType = stringType; - } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - // Otherwise, the result is of type Any. - // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we. - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; - } - // Symbols are not allowed at all in arithmetic expressions - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; - } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 57 /* PlusEqualsToken */) { - checkAssignmentOperator(resultType); - } - return resultType; - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - if (!checkForDisallowedESSymbolOperand(operator)) { - return booleanType; - } - // Fall through - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - // Permit 'number[] | "foo"' to be asserted to 'string'. - if (someConstituentTypeHasKind(leftType, 258 /* StringLike */) && someConstituentTypeHasKind(rightType, 258 /* StringLike */)) { - return booleanType; - } - if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { - reportOperatorError(); - } - return booleanType; - case 91 /* InstanceOfKeyword */: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 90 /* InKeyword */: - return checkInExpression(left, right, leftType, rightType); - case 51 /* AmpersandAmpersandToken */: - return rightType; - case 52 /* BarBarToken */: - return getUnionType([leftType, rightType]); - case 56 /* EqualsToken */: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 24 /* CommaToken */: - return rightType; - } - // Return true if there was no error, false if there was an error. - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216 /* ESSymbol */) ? left : - someConstituentTypeHasKind(rightType, 16777216 /* ESSymbol */) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; - } - return true; - } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 47 /* BarToken */: - case 67 /* BarEqualsToken */: - return 52 /* BarBarToken */; - case 48 /* CaretToken */: - case 68 /* CaretEqualsToken */: - return 33 /* ExclamationEqualsEqualsToken */; - case 46 /* AmpersandToken */: - case 66 /* AmpersandEqualsToken */: - return 51 /* AmpersandAmpersandToken */; - default: - return undefined; - } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { - // TypeScript 1.0 spec (April 2014): 4.17 - // An assignment of the form - // VarExpr = ValueExpr - // requires VarExpr to be classified as a reference - // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1) - // and the type of the non - compound operation to be assignable to the type of VarExpr. - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); - // Use default messages - if (ok) { - // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported - checkTypeAssignableTo(valueType, leftType, left, /*headMessage*/ undefined); - } - } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; - } - else if (ts.isClassLike(current)) { - return true; - } - current = parent; - parent = parent.parent; - } - return false; - } - function checkYieldExpression(node) { - // Grammar checking - if (produceDiagnostics) { - if (!(node.parserContextFlags & 2 /* Yield */) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - // If the user's code is syntactically correct, the func should always have a star. After all, - // we are in a yield context. - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, /*contextualMapper*/ undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - // There is no point in doing an assignability check if the function - // has no explicit return type because the return type is directly computed - // from the yield expressions. - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, /*headMessage*/ undefined); - } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, /*headMessage*/ undefined); - } - } - } - } - // Both yield and yield* expressions have type 'any' - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getUnionType([type1, type2]); - } - function checkStringLiteralExpression(node) { - var contextualType = getContextualType(node); - if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { - return getStringLiteralTypeForText(node.text); - } - return stringType; - } - function checkTemplateExpression(node) { - // We just want to check each expressions, but we are unconcerned with - // the type of each expression, as any value may be coerced into a string. - // It is worth asking whether this is what we really want though. - // A place where we actually *are* concerned with the expressions' types are - // in tagged templates. - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node, contextualMapper); - } - return links.resolvedType; - } - function checkPropertyAssignment(node, contextualMapper) { - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - return checkExpression(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - // Grammar checking - checkGrammarMethod(node); - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); - } - } - } - } - return type; - } - // Checks an expression and returns its type. The contextualMapper parameter serves two purposes: When - // contextualMapper is not undefined and not equal to the identityMapper function object it indicates that the - // expression is being inferentially typed (section 4.12.2 in spec) and provides the type mapper to use in - // conjunction with the generic contextual type. When contextualMapper is equal to the identityMapper function - // object, it serves as an indicator that all contained function and arrow expressions should be considered to - // have the wildcard function type; this form of type check is used during overload resolution to exclude - // contextually typed function and arrow expressions in the initial phase. - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 136 /* QualifiedName */) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - // enum object type for const enums are only permitted in: - // - 'left' in property access - // - 'object' in indexed access - // - target in rhs of import statement - var ok = (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.expression === node) || - (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.expression === node) || - ((node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); - } - } - return type; - } - function checkNumericLiteral(node) { - // Grammar checking - checkGrammarNumericLiteral(node); - return numberType; - } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 69 /* Identifier */: - return checkIdentifier(node); - case 97 /* ThisKeyword */: - return checkThisExpression(node); - case 95 /* SuperKeyword */: - return checkSuperExpression(node); - case 93 /* NullKeyword */: - return nullType; - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - return booleanType; - case 8 /* NumericLiteral */: - return checkNumericLiteral(node); - case 186 /* TemplateExpression */: - return checkTemplateExpression(node); - case 9 /* StringLiteral */: - return checkStringLiteralExpression(node); - case 11 /* NoSubstitutionTemplateLiteral */: - return stringType; - case 10 /* RegularExpressionLiteral */: - return globalRegExpType; - case 167 /* ArrayLiteralExpression */: - return checkArrayLiteral(node, contextualMapper); - case 168 /* ObjectLiteralExpression */: - return checkObjectLiteral(node, contextualMapper); - case 169 /* PropertyAccessExpression */: - return checkPropertyAccessExpression(node); - case 170 /* ElementAccessExpression */: - return checkIndexedAccess(node); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return checkCallExpression(node); - case 173 /* TaggedTemplateExpression */: - return checkTaggedTemplateExpression(node); - case 175 /* ParenthesizedExpression */: - return checkExpression(node.expression, contextualMapper); - case 189 /* ClassExpression */: - return checkClassExpression(node); - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 179 /* TypeOfExpression */: - return checkTypeOfExpression(node); - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return checkAssertion(node); - case 178 /* DeleteExpression */: - return checkDeleteExpression(node); - case 180 /* VoidExpression */: - return checkVoidExpression(node); - case 181 /* AwaitExpression */: - return checkAwaitExpression(node); - case 182 /* PrefixUnaryExpression */: - return checkPrefixUnaryExpression(node); - case 183 /* PostfixUnaryExpression */: - return checkPostfixUnaryExpression(node); - case 184 /* BinaryExpression */: - return checkBinaryExpression(node, contextualMapper); - case 185 /* ConditionalExpression */: - return checkConditionalExpression(node, contextualMapper); - case 188 /* SpreadElementExpression */: - return checkSpreadElementExpression(node, contextualMapper); - case 190 /* OmittedExpression */: - return undefinedType; - case 187 /* YieldExpression */: - return checkYieldExpression(node); - case 243 /* JsxExpression */: - return checkJsxExpression(node); - case 236 /* JsxElement */: - return checkJsxElement(node); - case 237 /* JsxSelfClosingElement */: - return checkJsxSelfClosingElement(node); - case 238 /* JsxOpeningElement */: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); - } - return unknownType; - } - // DECLARATION AND STATEMENT TYPE CHECKING - function checkTypeParameter(node) { - // Grammar Checking - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); - } - } - function checkParameter(node) { - // Grammar checking - // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the - // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code - // or if its FunctionBody is strict code(11.1.5). - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (node.flags & 56 /* AccessibilityModifier */) { - func = ts.getContainingFunction(node); - if (!(func.kind === 145 /* Constructor */ && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - // Only check rest parameter type if it's not a binding pattern. Since binding patterns are - // not allowed in a rest parameter, we already have an error from checkGrammarParameterList. - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } - } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 144 /* MethodDeclaration */ || - node.kind === 216 /* FunctionDeclaration */ || - node.kind === 176 /* FunctionExpression */; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 69 /* Identifier */ && - param.name.text === parameter.text) { - return i; - } - } - } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - // The parent must not be valid. - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } - else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_14 = _a[_i].name; - if (ts.isBindingPattern(name_14) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 177 /* ArrowFunction */: - case 148 /* CallSignature */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 153 /* FunctionType */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - var parent_7 = node.parent; - if (node === parent_7.type) { - return parent_7; - } - } - } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var name_15 = _a[_i].name; - if (name_15.kind === 69 /* Identifier */ && - name_15.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_15.kind === 165 /* ArrayBindingPattern */ || - name_15.kind === 164 /* ObjectBindingPattern */) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } - } - function checkSignatureDeclaration(node) { - // Grammar checking - if (node.kind === 150 /* IndexSignature */) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 153 /* FunctionType */ || node.kind === 216 /* FunctionDeclaration */ || node.kind === 154 /* ConstructorType */ || - node.kind === 148 /* CallSignature */ || node.kind === 145 /* Constructor */ || - node.kind === 149 /* ConstructSignature */) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 149 /* ConstructSignature */: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 148 /* CallSignature */: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 /* ES6 */ && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - // Naively, one could check that IterableIterator is assignable to the return type annotation. - // However, that would not catch the error in the following case. - // - // interface BadGenerator extends Iterable, Iterator { } - // function* g(): BadGenerator { } // Iterable and Iterator have different types! - // - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } - } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); - } - } - } - checkSpecializedSignatureDeclaration(node); - } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 218 /* InterfaceDeclaration */) { - var nodeSymbol = getSymbolOfNode(node); - // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration - // to prevent this run check only for the first declaration of a given kind - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; - } - } - // TypeScript 1.0 spec (April 2014) - // 3.7.4: An object type can contain at most one string index signature and one numeric index signature. - // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 130 /* StringKeyword */: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 128 /* NumberKeyword */: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } - } - } - } - function checkPropertyDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - // Grammar checking - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration - checkFunctionOrMethodDeclaration(node); - // Abstract methods cannot have an implementation. - // Extra checks are to avoid reporting multiple errors relating to the "abstractness" of the node. - if (node.flags & 128 /* Abstract */ && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); - } - } - function checkConstructorDeclaration(node) { - // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function. - checkSignatureDeclaration(node); - // Grammar check for checking only related to constructoDeclaration - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - // Only type check the symbol once - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); - } - // exit early in the case of signature - super checks are not relevant to them - if (ts.nodeIsMissing(node.body)) { - return; - } - if (!produceDiagnostics) { - return; - } - function markThisReferencesAsErrors(n) { - if (n.kind === 97 /* ThisKeyword */) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 176 /* FunctionExpression */ && n.kind !== 216 /* FunctionDeclaration */) { - ts.forEachChild(n, markThisReferencesAsErrors); - } - } - function isInstancePropertyWithInitializer(n) { - return n.kind === 142 /* PropertyDeclaration */ && - !(n.flags & 64 /* Static */) && - !!n.initializer; - } - // TS 1.0 spec (April 2014): 8.3.2 - // Constructors of classes with no extends clause may not contain super calls, whereas - // constructors of derived classes must contain at least one super call somewhere in their function body. - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - // The first statement in the body of a constructor (excluding prologue directives) must be a super call - // if both of the following are true: - // - The containing class is a derived class. - // - The constructor declares parameter properties - // or the containing class declares instance member variables with initializers. - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return p.flags & (8 /* Public */ | 16 /* Private */ | 32 /* Protected */); }); - // Skip past any prologue directives to find the first statement - // to ensure that it was a super call. - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 198 /* ExpressionStatement */ && ts.isSuperCallExpression(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } - } - } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - // Grammar checking accessors - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 146 /* GetAccessor */) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288 /* HasImplicitReturn */)) { - if (node.flags & 1048576 /* HasExplicitReturn */) { - if (compilerOptions.noImplicitReturns) { - error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - else { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } - } - } - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - // TypeScript 1.0 spec (April 2014): 8.4.3 - // Accessors for the same member name must specify the same accessibility. - var otherKind = node.kind === 146 /* GetAccessor */ ? 147 /* SetAccessor */ : 146 /* GetAccessor */; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if (((node.flags & 56 /* AccessibilityModifier */) !== (otherAccessor.flags & 56 /* AccessibilityModifier */))) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - var currentAccessorType = getAnnotatedAccessorType(node); - var otherAccessorType = getAnnotatedAccessorType(otherAccessor); - // TypeScript 1.0 spec (April 2014): 4.5 - // If both accessors include type annotations, the specified types must be identical. - if (currentAccessorType && otherAccessorType) { - if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { - error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - } - } - } - } - getTypeOfAccessors(getSymbolOfNode(node)); - } - if (node.parent.kind !== 168 /* ObjectLiteralExpression */) { - checkSourceElement(node.body); - } - else { - checkNodeDeferred(node); - } - } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - } - function checkMissingDeclaration(node) { - checkDecorators(node); - } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); - } - } - return result; - } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType && node.typeArguments) { - // Do type argument local checks only if referenced type is successfully resolved - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 /* TypeAlias */ ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } - } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - // Grammar checking - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); - } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (node.flags & 16 /* Private */) && ts.isInAmbientContext(node); - } - function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { - if (!produceDiagnostics) { - return; - } - var signature = getSignatureFromDeclaration(signatureDeclarationNode); - if (!signature.hasStringLiterals) { - return; - } - // TypeScript 1.0 spec (April 2014): 3.7.2.2 - // Specialized signatures are not permitted in conjunction with a function body - if (ts.nodeIsPresent(signatureDeclarationNode.body)) { - error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); - return; - } - // TypeScript 1.0 spec (April 2014): 3.7.2.4 - // Every specialized call or construct signature in an object type must be assignable - // to at least one non-specialized call or construct signature in the same object type - var signaturesToCheck; - // Unnamed (call\construct) signatures in interfaces are inherited and not shadowed so examining just node symbol won't give complete answer. - // Use declaring type to obtain full list of signatures. - if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218 /* InterfaceDeclaration */) { - ts.Debug.assert(signatureDeclarationNode.kind === 148 /* CallSignature */ || signatureDeclarationNode.kind === 149 /* ConstructSignature */); - var signatureKind = signatureDeclarationNode.kind === 148 /* CallSignature */ ? 0 /* Call */ : 1 /* Construct */; - var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); - var containingType = getDeclaredTypeOfSymbol(containingSymbol); - signaturesToCheck = getSignaturesOfType(containingType, signatureKind); - } - else { - signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); - } - for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { - var otherSignature = signaturesToCheck_1[_i]; - if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, /*ignoreReturnTypes*/ false)) { - return; - } - } - error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedNodeFlags(n); - // children of classes (even ambient classes) should not be marked as ambient or export - // because those flags have no useful semantics there. - if (n.parent.kind !== 218 /* InterfaceDeclaration */ && - n.parent.kind !== 217 /* ClassDeclaration */ && - n.parent.kind !== 189 /* ClassExpression */ && - ts.isInAmbientContext(n)) { - if (!(flags & 4 /* Ambient */)) { - // It is nested in an ambient context, which means it is automatically exported - flags |= 2 /* Export */; - } - flags |= 4 /* Ambient */; - } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; - } - function getCanonicalOverload(overloads, implementation) { - // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration - // Error on all deviations from this canonical set of flags - // The caveat is that if some overloads are defined in lib.d.ts, we don't want to - // report the errors on those. To achieve this, we will say that the implementation is - // the canonical signature only if it is in the same container as the first overload - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; - } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - // Error if some overloads have a flag that is not shared by all overloads. To find the - // deviations, we XOR someOverloadFlags with allOverloadFlags - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 2 /* Export */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); - } - else if (deviation & 4 /* Ambient */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (16 /* Private */ | 32 /* Protected */)) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); - } - else if (deviation & 128 /* Abstract */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); - } - }); - } - } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); - } - } - var flagsToCheck = 2 /* Export */ | 4 /* Ambient */ | 16 /* Private */ | 32 /* Protected */ | 128 /* Abstract */; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - // We may be here because of some extra junk between overloads that could not be parsed into a valid node. - // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here. - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - // TODO(jfreeman): These are methods, so handle computed name case - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && - (node.flags & 64 /* Static */) !== (subsequentNode.flags & 64 /* Static */); - // we can get here in two cases - // 1. mixed static and instance class members - // 2. something with the same name was defined before the set of overloads that prevents them from merging - // here we'll report error only for the first case since for second we should already report error in binder - if (reportError) { - var diagnostic = node.flags & 64 /* Static */ ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); - } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; - } - } - } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - // Report different errors regarding non-consecutive blocks of declarations depending on whether - // the node in question is abstract. - if (node.flags & 128 /* Abstract */) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); - } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); - } - } - } - // when checking exported function declarations across modules check only duplicate implementations - // names and consistency of modifiers are verified when we check local symbol - var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536 /* Module */; - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 218 /* InterfaceDeclaration */ || node.parent.kind === 156 /* TypeLiteral */ || inAmbientContext; - if (inAmbientContextOrInterface) { - // check if declarations are consecutive only if they are non-ambient - // 1. ambient declarations can be interleaved - // i.e. this is legal - // declare function foo(); - // declare function bar(); - // declare function foo(); - // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one - previousDeclaration = undefined; - } - if (node.kind === 216 /* FunctionDeclaration */ || node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */ || node.kind === 145 /* Constructor */) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); - } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; - } - } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } - } - } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); - } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); - } - // Abstract methods can't have an implementation -- in particular, they don't need one. - if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(lastSeenNonAmbientDeclaration.flags & 128 /* Abstract */)) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); - } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - // If the implementation signature has string literals, we will have reported an error in - // checkSpecializedSignatureDeclaration - if (!bodySignature.hasStringLiterals) { - // TypeScript 1.0 spec (April 2014): 6.1 - // If a function declaration includes overloads, the overloads determine the call - // signatures of the type given to the function object - // and the function implementation signature must be assignable to that type - // - // TypeScript 1.0 spec (April 2014): 3.8.4 - // Note that specialized call and construct signatures (section 3.7.2.4) are not significant when determining assignment compatibility - // Consider checking against specialized signatures too. Not doing so creates a type hole: - // - // function g(x: "hi", y: boolean); - // function g(x: string, y: {}); - // function g(x: string, y: string) { } - // - // The implementation is completely unrelated to the specialized signature, yet we do not check this. - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } - } - } - } - } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; - } - // if localSymbol is defined on node then node itself is exported - check is required - var symbol = node.localSymbol; - if (!symbol) { - // local symbol is undefined => this declaration is non-exported. - // however symbol might contain other declarations that are exported - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032 /* Export */)) { - // this is a pure local symbol (all declarations are non-exported) - no need to check anything - return; - } - } - // run the check only for the first declaration in the list - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; - } - // we use SymbolFlags.ExportValue, SymbolFlags.ExportType and SymbolFlags.ExportNamespace - // to denote disjoint declarationSpaces (without making new enum type). - var exportedDeclarationSpaces = 0 /* None */; - var nonExportedDeclarationSpaces = 0 /* None */; - var defaultExportedDeclarationSpaces = 0 /* None */; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 /* Export */ | 512 /* Default */); - if (effectiveDeclarationFlags & 2 /* Export */) { - if (effectiveDeclarationFlags & 512 /* Default */) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } - } - else { - nonExportedDeclarationSpaces |= declarationSpaces; - } - } - // Spaces for anyting not declared a 'default export'. - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - // declaration spaces for exported and non-exported declarations intersect - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - // Only error on the declarations that conributed to the intersecting spaces. - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } - } - } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 218 /* InterfaceDeclaration */: - return 2097152 /* ExportType */; - case 221 /* ModuleDeclaration */: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */ - ? 4194304 /* ExportNamespace */ | 1048576 /* ExportValue */ - : 4194304 /* ExportNamespace */; - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - return 2097152 /* ExportType */ | 1048576 /* ExportValue */; - case 224 /* ImportEqualsDeclaration */: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576 /* ExportValue */; - } - } - } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; - } - error(location, message); - } - return unknownType; - } - return type; - } - /** - * Gets the "promised type" of a promise. - * @param type The type of the promise. - * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback. - */ - function getPromisedType(promise) { - // - // { // promise - // then( // thenFunction - // onfulfilled: ( // onfulfilledParameterType - // value: T // valueParameterType - // ) => any - // ): any; - // } - // - if (promise.flags & 1 /* Any */) { - return undefined; - } - if ((promise.flags & 4096 /* Reference */) && promise.target === tryGetGlobalPromiseType()) { - return promise.typeArguments[0]; - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (thenFunction && (thenFunction.flags & 1 /* Any */)) { - return undefined; - } - var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* Call */) : emptyArray; - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); - if (onfulfilledParameterType.flags & 1 /* Any */) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* Call */); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); - return valueParameterType; - } - function getTypeOfFirstParameterOfSignature(signature) { - return getTypeAtPosition(signature, 0); - } - /** - * Gets the "awaited type" of a type. - * @param type The type to await. - * @remarks The "awaited type" of an expression is its "promised type" if the expression is a - * Promise-like type; otherwise, it is the type of the expression. This is used to reflect - * The runtime behavior of the `await` keyword. - */ - function getAwaitedType(type) { - return checkAwaitedType(type, /*location*/ undefined, /*message*/ undefined); - } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 16384 /* Union */) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - // The type was not a PromiseLike, so it could not be unwrapped any further. - // As long as the type does not have a callable "then" property, it is - // safe to return the type; otherwise, an error will have been reported in - // the call to checkNonThenableType and we will return unknownType. - // - // An example of a non-promise "thenable" might be: - // - // await { then(): void {} } - // - // The "thenable" does not match the minimal definition for a PromiseLike. When - // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise - // will never settle. We treat this as an error to help flag an early indicator - // of a runtime problem. If the user wants to return this value from an async - // function, they would need to wrap it in some other value. If they want it to - // be treated as a promise, they can cast to . - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { - // We have a bad actor in the form of a promise whose promised type is - // the same promise type, or a mutually recursive promise. Return the - // unknown type as we cannot guess the shape. If this were the actual - // case in the JavaScript, this Promise would never resolve. - // - // An example of a bad actor with a singly-recursive promise type might - // be: - // - // interface BadPromise { - // then( - // onfulfilled: (value: BadPromise) => any, - // onrejected: (error: any) => any): BadPromise; - // } - // - // The above interface will pass the PromiseLike check, and return a - // promised type of `BadPromise`. Since this is a self reference, we - // don't want to keep recursing ad infinitum. - // - // An example of a bad actor in the form of a mutually-recursive - // promise type might be: - // - // interface BadPromiseA { - // then( - // onfulfilled: (value: BadPromiseB) => any, - // onrejected: (error: any) => any): BadPromiseB; - // } - // - // interface BadPromiseB { - // then( - // onfulfilled: (value: BadPromiseA) => any, - // onrejected: (error: any) => any): BadPromiseA; - // } - // - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - // Keep track of the type we're about to unwrap to avoid bad recursive promise types. - // See the comments above for more information. - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; - } - } - } - } - /** - * Checks that the return type provided is an instantiation of the global Promise type - * and returns the awaited type of the return type. - * - * @param returnType The return type of a FunctionLikeDeclaration - * @param location The node on which to report the error. - */ - function checkCorrectPromiseType(returnType, location) { - if (returnType === unknownType) { - // The return type already had some other error, so we ignore and return - // the unknown type. - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - // Either we couldn't resolve the global promise type, which would have already - // reported an error, or we could resolve it and the return type is a valid type - // reference to the global type. In either case, we return the awaited type for - // the return type. - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - // The promise type was not a valid type reference to the global promise type, so we - // report an error and return the unknown type. - error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - return unknownType; - } - /** - * Checks the return type of an async function to ensure it is a compatible - * Promise implementation. - * @param node The signature to check - * @param returnType The return type for the function - * @remarks - * This checks that an async function has a valid Promise-compatible return type, - * and returns the *awaited type* of the promise. An async function has a valid - * Promise-compatible return type if the resolved value of the return type has a - * construct signature that takes in an `initializer` function that in turn supplies - * a `resolve` function as one of its arguments and results in an object with a - * callable `then` signature. - */ - function checkAsyncFunctionReturnType(node) { - if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - // If we couldn't resolve the global PromiseConstructorLike type we cannot verify - // compatibility with __awaiter. - return unknownType; - } - // As part of our emit for an async function, we will need to emit the entity name of - // the return type annotation as an expression. To meet the necessary runtime semantics - // for __awaiter, we must also check that the type of the declaration (e.g. the static - // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`. - // - // An example might be (from lib.es6.d.ts): - // - // interface Promise { ... } - // interface PromiseConstructor { - // new (...): Promise; - // } - // declare var Promise: PromiseConstructor; - // - // When an async function declares a return type annotation of `Promise`, we - // need to get the type of the `Promise` variable declaration above, which would - // be `PromiseConstructor`. - // - // The same case applies to a class: - // - // declare class Promise { - // constructor(...); - // then(...): Promise; - // } - // - // When we get the type of the `Promise` symbol here, we get the type of the static - // side of the `Promise` class, which would be `{ new (...): Promise }`. - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - // If we are compiling with isolatedModules, we may not be able to resolve the - // type as a value. As such, we will just return unknownType; - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - return unknownType; - } - // If the Promise constructor, resolved locally, is an alias symbol we should mark it as referenced. - checkReturnTypeAnnotationAsExpression(node); - // Validate the promise constructor type. - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; - } - // Verify there is no local declaration that could collide with the promise constructor. - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455 /* Value */); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; - } - // Get and return the awaited type of the return type. - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - /** Check a decorator */ - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1 /* Any */) { - return; - } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; - case 139 /* Parameter */: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; - case 142 /* PropertyDeclaration */: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; - } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); - } - /** Checks a type reference node as an expression. */ - function checkTypeNodeAsExpression(node) { - // When we are emitting type metadata for decorators, we need to try to check the type - // as if it were an expression so that we can emit the type in a value position when we - // serialize the type metadata. - if (node && node.kind === 152 /* TypeReference */) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; - // Resolve type so we know which symbol is referenced - var rootSymbol = resolveName(root, root.text, meaning | 8388608 /* Alias */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); - // Resolved symbol is alias - if (rootSymbol && rootSymbol.flags & 8388608 /* Alias */) { - var aliasTarget = resolveAlias(rootSymbol); - // If alias has value symbol - mark alias as referenced - if (aliasTarget.flags & 107455 /* Value */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } - } - } - } - /** - * Checks the type annotation of an accessor declaration or property declaration as - * an expression if it is a type reference to a type with a value declaration. - */ - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - /** Checks the type annotation of the parameters of a function/method or the constructor of a class as expressions */ - function checkParameterTypeAnnotationsAsExpressions(node) { - // ensure all type annotations with a value declaration are checked as an expression - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } - } - /** Check the decorators of a node */ - function checkDecorators(node) { - if (!node.decorators) { - return; - } - // skip this check for nodes that cannot have decorators. These should have already had an error reported by - // checkGrammarDecorators. - if (!ts.nodeCanBeDecorated(node)) { - return; - } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); - } - if (compilerOptions.emitDecoratorMetadata) { - // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator. - switch (node.kind) { - case 217 /* ClassDeclaration */: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 142 /* PropertyDeclaration */: - case 139 /* Parameter */: - checkTypeAnnotationAsExpression(node); - break; - } - } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name && node.name.kind === 137 /* ComputedPropertyName */) { - // This check will account for methods in class/interface declarations, - // as well as accessors in classes/object literals - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - // first we want to check the local symbol that contain this declaration - // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol - // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - // Since the javascript won't do semantic analysis like typescript, - // if the javascript file comes before the typescript file and both contain same name functions, - // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function. - var firstDeclaration = ts.forEach(localSymbol.declarations, - // Get first non javascript function declaration - function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - // Only type check the symbol once - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - // run check once for the first declaration - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - // run check on export symbol to check that modifiers agree across all exported declarations - checkFunctionOrConstructorSymbol(symbol); - } - } - } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - // Report an implicit any error if there is no body, no explicit return type, and node is not a private method - // in an ambient context - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); - } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - // A generator with a body and no type annotation can still cause errors. It can error if the - // yielded values have no common supertype, or it can give an implicit any error if it has no - // yielded values. The only way to trigger these errors is to try checking its return type. - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - } - } - function checkBlock(node) { - // Grammar checking for SyntaxKind.Block - if (node.kind === 195 /* Block */) { - checkGrammarStatementInAmbientContext(node); - } - ts.forEach(node.statements, checkSourceElement); - } - function checkCollisionWithArgumentsInGeneratedCode(node) { - // no rest parameters \ declaration context \ overload - no codegen impact - if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); - } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 141 /* PropertySignature */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 143 /* MethodSignature */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // it is ok to have member named '_super' or '_this' - member access is always qualified - return false; - } - if (ts.isInAmbientContext(node)) { - // ambient context - no codegen impact - return false; - } - var root = ts.getRootDeclaration(node); - if (root.kind === 139 /* Parameter */ && ts.nodeIsMissing(root.parent.body)) { - // just an overload - no codegen impact - return false; - } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); - } - } - // this function will run after checking the source file so 'CaptureThis' is correct for all nodes - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4 /* CaptureThis */) { - var isDeclaration_1 = node.kind !== 69 /* Identifier */; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); - } - return; - } - current = current.parent; - } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; - } - // bubble up and find containing type - var enclosingClass = ts.getContainingClass(node); - // if containing type was not found or it is ambient - exit (no codegen) - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; - } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 69 /* Identifier */; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } - } - } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - // Uninstantiated modules shouldnt do this check - if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return; - } - // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent - var parent = getDeclarationContainer(node); - if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent)) { - // If the declaration happens to be in external module, report error that require and exports are reserved keywords - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!compilerOptions.noCustomAsyncPromise) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - // Uninstantiated modules shouldnt do this check - if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return; - } - // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent - var parent = getDeclarationContainer(node); - if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432 /* HasAsyncFunctions */) { - // If the declaration happens to be in external module, report error that Promise is a reserved identifier. - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkVarDeclaredNamesNotShadowed(node) { - // - ScriptBody : StatementList - // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList - // also occurs in the VarDeclaredNames of StatementList. - // - Block : { StatementList } - // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList - // also occurs in the VarDeclaredNames of StatementList. - // Variable declarations are hoisted to the top of their function scope. They can shadow - // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition - // by the binder as the declaration scope is different. - // A non-initialized declaration is a no-op as the block declaration will resolve before the var - // declaration. the problem is if the declaration has an initializer. this will act as a write to the - // block declared value. this is fine for let, but not const. - // Only consider declarations with initializers, uninitialized const declarations will not - // step on a let/const variable. - // Do not consider const and const declarations, as duplicate block-scoped declarations - // are handled by the binder. - // We are only looking for const declarations that step on let\const declarations from a - // different scope. e.g.: - // { - // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration - // const x = 0; // symbol for this declaration will be 'symbol' - // } - // skip block-scoped variables and parameters - if ((ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - // skip variable declarations that don't have initializers - // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern - // so we'll always treat binding elements as initialized - if (node.kind === 214 /* VariableDeclaration */ && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1 /* FunctionScopedVariable */) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3 /* Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) { - if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576 /* BlockScoped */) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215 /* VariableDeclarationList */); - var container = varDeclList.parent.kind === 196 /* VariableStatement */ && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - // names of block-scoped and function scoped variables can collide only - // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting) - var namesShareScope = container && - (container.kind === 195 /* Block */ && ts.isFunctionLike(container.parent) || - container.kind === 222 /* ModuleBlock */ || - container.kind === 221 /* ModuleDeclaration */ || - container.kind === 251 /* SourceFile */); - // here we know that function scoped variable is shadowed by block scoped one - // if they are defined in the same scope - binder has already reported redeclaration error - // otherwise if variable has an initializer - show error that initialization will fail - // since LHS will be block scoped name instead of function scoped - if (!namesShareScope) { - var name_16 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); - } - } - } - } - } - // Check that a parameter initializer contains no references to parameters declared to the right of itself - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 139 /* Parameter */) { - return; - } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (n.kind === 69 /* Identifier */) { - var referencedSymbol = getNodeLinks(n).resolvedSymbol; - // check FunctionLikeDeclaration.locals (stores parameters\function local variable) - // if it contains entry with a specified name and if this entry matches the resolved symbol - if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455 /* Value */) === referencedSymbol) { - if (referencedSymbol.valueDeclaration.kind === 139 /* Parameter */) { - if (referencedSymbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - if (referencedSymbol.valueDeclaration.pos < node.pos) { - // legal case - parameter initializer references some parameter strictly on left of current parameter declaration - return; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } - } - else { - ts.forEachChild(n, visit); - } - } - } - // Check variable, parameter, or property declaration - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - // For a computed property, just check the initializer and exit - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } - } - if (node.kind === 166 /* BindingElement */) { - // check computed properties inside property names of binding elements - if (node.propertyName && node.propertyName.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.propertyName); - } - } - // For a binding pattern, check contained binding elements - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); - } - // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body - if (node.initializer && ts.getRootDeclaration(node).kind === 139 /* Parameter */ && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; - } - // For a binding pattern, validate the initializer and exit - if (ts.isBindingPattern(node.name)) { - // Don't validate for-in initializer as it is already an error - if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, /*headMessage*/ undefined); - checkParameterInitializer(node); - } - return; - } - var symbol = getSymbolOfNode(node); - var type = getTypeOfVariableOrParameterOrProperty(symbol); - if (node === symbol.valueDeclaration) { - // Node is the primary declaration of the symbol, just validate the initializer - // Don't validate for-in initializer as it is already an error - if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, /*headMessage*/ undefined); - checkParameterInitializer(node); - } - } - else { - // Node is a secondary declaration, check that type is identical to primary declaration and check that - // initializer is consistent with type associated with the node - var declarationType = getWidenedTypeForVariableLikeDeclaration(node); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); - } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, /*headMessage*/ undefined); - } - } - if (node.kind !== 142 /* PropertyDeclaration */ && node.kind !== 141 /* PropertySignature */) { - // We know we don't have a binding pattern or computed name here - checkExportsOnMergedDeclarations(node); - if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { - checkVarDeclaredNamesNotShadowed(node); - } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); - } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - // We only disallow modifier on a method declaration if it is a property of object-literal-expression - if (node.modifiers && node.parent.kind === 168 /* ObjectLiteralExpression */) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - } - function checkExpressionStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 197 /* EmptyStatement */) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); - } - function checkDoStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); - } - function checkWhileStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); - } - function checkForStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { - checkGrammarVariableDeclarationList(node.initializer); - } - } - if (node.initializer) { - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); - } - } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - // Check the LHS and RHS - // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS - // via checkRightHandSideOfForOf. - // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference. - // Then check that the RHS is assignable to it. - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - // There may be a destructuring assignment on the left side - if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { - // iteratedType may be undefined. In this case, we still want to check the structure of - // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like - // to short circuit the type relation checking as much as possible, so we pass the unknownType. - checkDestructuringAssignment(varExpr, iteratedType || unknownType); - } - else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, /*invalidReferenceMessage*/ ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, - /*constantVariableMessage*/ ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); - // iteratedType will be undefined if the rightType was missing properties/signatures - // required to get its iteratedType (like [Symbol.iterator] or next). This may be - // because we accessed properties from anyType, or it may have led to an error inside - // getElementTypeOfIterable. - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, /*headMessage*/ undefined); - } - } - } - checkSourceElement(node.statement); - } - function checkForInStatement(node) { - // Grammar checking - checkGrammarForInOrForOfStatement(node); - // TypeScript 1.0 spec (April 2014): 5.4 - // In a 'for-in' statement of the form - // for (let VarDecl in Expr) Statement - // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any, - // and Expr must be an expression of type Any, an object type, or a type parameter type. - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); - } - else { - // In a 'for-in' statement of the form - // for (Var in Expr) Statement - // Var must be an expression classified as a reference of type Any or the String primitive type, - // and Expr must be an expression of type Any, an object type, or a type parameter type. - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); - } - else { - // run check only former check succeeded to avoid cascading errors - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); - } - } - var rightType = checkExpression(node.expression); - // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved - // in this case error about missing name is already reported - do not report extra one - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - checkSourceElement(node.statement); - } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - // checkGrammarForInOrForOfStatement will check that there is exactly one declaration. - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); - } - } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = getTypeOfExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, /*allowStringInput*/ true); - } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2 /* ES6 */) { - return checkElementTypeOfIterable(inputType, errorNode); - } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); - } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1 /* Number */); - if (indexType) { - return indexType; - } - } - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); - return unknownType; - } - /** - * When errorNode is undefined, it means we should not report any errors. - */ - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - // Now even though we have extracted the iteratedType, we will have to validate that the type - // passed in is actually an Iterable. - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); - } - return elementType || anyType; - } - /** - * We want to treat type as an iterable, and get the type it is an iterable of. The iterable - * must have the following structure (annotated with the names of the variables below): - * - * { // iterable - * [Symbol.iterator]: { // iteratorFunction - * (): Iterator - * } - * } - * - * T is the type we are after. At every level that involves analyzing return types - * of signatures, we union the return types of all the signatures. - * - * Another thing to note is that at any step of this process, we could run into a dead end, - * meaning either the property is missing, or we run into the anyType. If either of these things - * happens, we return undefined to signal that we could not find the iterated type. If a property - * is missing, and the previous step did not result in 'any', then we also give an error if the - * caller requested it. Then the caller can decide what to do in the case where there is no iterated - * type. This is different from returning anyType, because that would signify that we have matched the - * whole pattern and that T (above) is 'any'. - */ - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIterableType) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0 /* Call */) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); - } - return undefined; - } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); - } - } - return typeAsIterable.iterableElementType; - } - /** - * This function has very similar logic as getElementTypeOfIterable, except that it operates on - * Iterators instead of Iterables. Here is the structure: - * - * { // iterator - * next: { // iteratorNextFunction - * (): { // iteratorNextResult - * value: T // iteratorNextValue - * } - * } - * } - * - */ - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIteratorType) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; - } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0 /* Call */) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); - } - return undefined; - } - typeAsIterator.iteratorElementType = iteratorNextValue; - } - } - return typeAsIterator.iteratorElementType; - } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; - } - // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIterableIteratorType) { - return type.typeArguments[0]; - } - return getElementTypeOfIterable(type, /*errorNode*/ undefined) || - getElementTypeOfIterator(type, /*errorNode*/ undefined); - } - /** - * This function does the following steps: - * 1. Break up arrayOrStringType (possibly a union) into its string constituents and array constituents. - * 2. Take the element types of the array constituents. - * 3. Return the union of the element types, and string if there was a string constitutent. - * - * For example: - * string -> string - * number[] -> number - * string[] | number[] -> string | number - * string | number[] -> string | number - * string | string[] | number[] -> string | number - * - * It also errors if: - * 1. Some constituent is neither a string nor an array. - * 2. Some constituent is a string and target is less than ES5 (because in ES3 string is not indexable). - */ - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2 /* ES6 */); - // After we remove all types that are StringLike, we will know if there was a string constituent - // based on whether the remaining type is the same as the initial type. - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 16384 /* Union */) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258 /* StringLike */); })); - } - else if (arrayOrStringType.flags & 258 /* StringLike */) { - arrayType = emptyUnionType; - } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1 /* ES5 */) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; - } - // Now that we've removed all the StringLike types, if no constituents remain, then the entire - // arrayOrStringType was a string. - if (arrayType === emptyObjectType) { - return stringType; - } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - // Which error we report depends on whether there was a string constituent. For example, - // if the input type is number | string, we want to say that number is not an array type. - // But if the input was just number, we want to say that number is not an array type - // or a string type. - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); - } - return hasStringConstituent ? stringType : unknownType; - } - var arrayElementType = getIndexTypeOfType(arrayType, 1 /* Number */) || unknownType; - if (hasStringConstituent) { - // This is just an optimization for the case where arrayOrStringType is string | string[] - if (arrayElementType.flags & 258 /* StringLike */) { - return stringType; - } - return getUnionType([arrayElementType, stringType]); - } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - // TODO: Check that target label is valid - } - function isGetAccessorWithAnnotatatedSetAccessor(node) { - return !!(node.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147 /* SetAccessor */))); - } - function checkReturnStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - var exprType = checkExpressionCached(node.expression); - if (func.asteriskToken) { - // A generator does not need its return expressions checked against its return type. - // Instead, the yield expressions are checked against the element type. - // TODO: Check return expressions of generators when return type tracking is added - // for generators. - return; - } - if (func.kind === 147 /* SetAccessor */) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - else if (func.kind === 145 /* Constructor */) { - if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - // If the function has a return type, but promisedType is - // undefined, an error will be reported in checkAsyncFunctionReturnType - // so we don't need to report one here. - checkTypeAssignableTo(awaitedType, promisedType, node.expression); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression); - } - } - } - } - } - function checkWithStatement(node) { - // Grammar checking for withStatement - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.parserContextFlags & 8 /* Await */) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } - } - checkExpression(node.expression); - error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); - } - function checkSwitchStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258 /* StringLike */); - ts.forEach(node.caseBlock.clauses, function (clause) { - // Grammar check for duplicate default clauses, skip if we already report duplicate default clause - if (clause.kind === 245 /* DefaultClause */ && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; - } - else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; - } - } - if (produceDiagnostics && clause.kind === 244 /* CaseClause */) { - var caseClause = clause; - // TypeScript 1.0 spec (April 2014):5.9 - // In a 'switch' statement, each 'case' expression must be of a type that is assignable to or from the type of the 'switch' expression. - var caseType = checkExpression(caseClause.expression); - var expressionTypeIsAssignableToCaseType = - // Permit 'number[] | "foo"' to be asserted to 'string'. - (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258 /* StringLike */)) || - isTypeAssignableTo(expressionType, caseType); - if (!expressionTypeIsAssignableToCaseType) { - // 'expressionType is not assignable to caseType', try the reversed check and report errors if it fails - checkTypeAssignableTo(caseType, expressionType, caseClause.expression, /*headMessage*/ undefined); - } - } - ts.forEach(clause.statements, checkSourceElement); - }); - } - function checkLabeledStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 210 /* LabeledStatement */ && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; - } - } - // ensure that label is unique - checkSourceElement(node.statement); - } - function checkThrowStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); - } - } - if (node.expression) { - checkExpression(node.expression); - } - } - function checkTryStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - // Grammar checking - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 69 /* Identifier */) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals && ts.hasProperty(locals, identifierName)) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } - } - checkBlock(catchClause.block); - } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); - } - } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */); - var stringIndexType = getIndexTypeOfType(type, 0 /* String */); - var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); - }); - if (type.flags & 1024 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - // Only process instance properties with computed names here. - // Static properties cannot be in conflict with indexers, - // and properties with literal names were already checked. - if (!(member.flags & 64 /* Static */) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); - } - } - } - } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer - if (!errorNode && (type.flags & 2048 /* Interface */)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; - } - } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); - } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - // index is numeric and property name is not valid numeric literal - if (indexKind === 1 /* Number */ && !isNumericName(prop.valueDeclaration.name)) { - return; - } - // perform property check if property or indexer is declared in 'type' - // this allows to rule out cases when both property and indexer are inherited from the base class - var errorNode; - if (prop.valueDeclaration.name.kind === 137 /* ComputedPropertyName */ || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 2048 /* Interface */) { - // for interfaces property and indexer might be inherited from different bases - // check if any base class already has both property and indexer. - // check should be performed only if 'type' is the first type that brings property\indexer together - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 /* String */ - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); - } - } - } - function checkTypeNameIsReserved(name, message) { - // TS 1.0 spec (April 2014): 3.6.1 - // The predefined type keywords are reserved and cannot be used as names of user defined types. - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); - } - } - // Check each type parameter and check that list has no duplicate type parameter declarations - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } - } - } - } - } - } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); - } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - } - function checkClassDeclaration(node) { - if (!node.name && !(node.flags & 512 /* Default */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); - } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* Class */)) { - // When the static base type is a "class-like" constructor function (but not actually a class), we verify - // that all instantiated base constructor signatures return the same type. We can simply compare the type - // references (as opposed to checking the structure of the types) because elsewhere we have already checked - // that the base type is a class or interface type (and not, for example, an anonymous object type). - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); - } - } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 4096 /* Reference */) ? t.target : t; - if (declaredType.flags & (1024 /* Class */ | 2048 /* Interface */)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } - } - } - } - } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function getTargetSymbol(s) { - // if symbol is instantiated its flags are not copied from the 'target' - // so we'll need to get back original 'target' symbol to work with correct set of flags - return s.flags & 16777216 /* Instantiated */ ? getSymbolLinks(s).target : s; - } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); - } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - // TypeScript 1.0 spec (April 2014): 8.2.3 - // A derived class inherits all members from its base class it doesn't override. - // Inheritance means that a derived class implicitly contains all non - overridden members of the base class. - // Both public and private property members are inherited, but only public property members can be overridden. - // A property member in a derived class is said to override a property member in a base class - // when the derived class property member has the same name and kind(instance or static) - // as the base class property member. - // The type of an overriding property member must be assignable(section 3.8.4) - // to the type of the overridden property member, or otherwise a compile - time error occurs. - // Base class instance member functions can be overridden by derived class instance member functions, - // but not by other kinds of members. - // Base class instance member variables and accessors can be overridden by - // derived class instance member variables and accessors, but not by other kinds of members. - // NOTE: assignability is checked in checkClassDeclaration - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728 /* Prototype */) { - continue; - } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - // In order to resolve whether the inherited method was overriden in the base class or not, - // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated* - // type declaration, derived and base resolve to the same symbol even in the case of generic classes. - if (derived === base) { - // derived class inherits base without override/redeclaration - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - // It is an error to inherit an abstract member without implementing it or being declared abstract. - // If there is no declaration for the derived class (as in the case of class expressions), - // then the class cannot be declared abstract. - if (baseDeclarationFlags & 128 /* Abstract */ && (!derivedClassDecl || !(derivedClassDecl.flags & 128 /* Abstract */))) { - if (derivedClassDecl.kind === 189 /* ClassExpression */) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - // derived overrides base. - var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 16 /* Private */) || (derivedDeclarationFlags & 16 /* Private */)) { - // either base or derived property is private - not override, skip it - continue; - } - if ((baseDeclarationFlags & 64 /* Static */) !== (derivedDeclarationFlags & 64 /* Static */)) { - // value of 'static' is not the same for properties - not override, skip it - continue; - } - if ((base.flags & derived.flags & 8192 /* Method */) || ((base.flags & 98308 /* PropertyOrAccessor */) && (derived.flags & 98308 /* PropertyOrAccessor */))) { - // method is overridden with method or property/accessor is overridden with property/accessor - correct case - continue; - } - var errorMessage = void 0; - if (base.flags & 8192 /* Method */) { - if (derived.flags & 98304 /* Accessor */) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4 /* Property */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4 /* Property */) { - ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304 /* Accessor */) !== 0); - ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; - } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); - } - } - } - } - function isAccessor(kind) { - return kind === 146 /* GetAccessor */ || kind === 147 /* SetAccessor */; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; - } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; - } - // TypeScript 1.0 spec (April 2014): - // When a generic interface has multiple declarations, all declarations must have identical type parameter - // lists, i.e. identical type parameter names with identical constraints in identical order. - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } - } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; - } - var seen = {}; - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { - var prop = properties_4[_a]; - if (!ts.hasProperty(seen, prop.name)) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var existing = seen[prop.name]; - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } - } - } - } - return ok; - } - function checkInterfaceDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); - if (symbol.declarations.length > 1) { - if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); - } - } - // Only check this symbol once - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - // run subsequent checks only if first set succeeded - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); - } - checkIndexConstraints(type); - } - } - } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkTypeAliasDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384 /* EnumValuesComputed */)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; // set to undefined when enum member is non-constant - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - // In ambient enum declarations that specify no const modifier, enum member declarations - // that omit a value are considered computed members (as opposed to having auto-incremented values assigned). - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - // If the member declaration specifies no value, the member is considered a constant enum member. - // If the member is the first member in the enum declaration, it is assigned the value zero. - // Otherwise, it is assigned the value of the immediately preceding member plus one, - // and an error occurs if the immediately preceding member is not a constant enum member - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; - } - } - nodeLinks.flags |= 16384 /* EnumValuesComputed */; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - // Controls if error should be reported after evaluation of constant value is completed - // Can be false if another more precise error was already reported during evaluation. - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); - } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); - } - else { - // Only here do we need to check that the initializer is assignable to the enum type. - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, /*headMessage*/ undefined); - } - } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); - } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); - } - } - } - return value; - function evalConstant(e) { - switch (e.kind) { - case 182 /* PrefixUnaryExpression */: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 35 /* PlusToken */: return value_1; - case 36 /* MinusToken */: return -value_1; - case 50 /* TildeToken */: return ~value_1; - } - return undefined; - case 184 /* BinaryExpression */: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 47 /* BarToken */: return left | right; - case 46 /* AmpersandToken */: return left & right; - case 44 /* GreaterThanGreaterThanToken */: return left >> right; - case 45 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right; - case 43 /* LessThanLessThanToken */: return left << right; - case 48 /* CaretToken */: return left ^ right; - case 37 /* AsteriskToken */: return left * right; - case 39 /* SlashToken */: return left / right; - case 35 /* PlusToken */: return left + right; - case 36 /* MinusToken */: return left - right; - case 40 /* PercentToken */: return left % right; - } - return undefined; - case 8 /* NumericLiteral */: - return +e.text; - case 175 /* ParenthesizedExpression */: - return evalConstant(e.expression); - case 69 /* Identifier */: - case 170 /* ElementAccessExpression */: - case 169 /* PropertyAccessExpression */: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 69 /* Identifier */) { - // unqualified names can refer to member that reside in different declaration of the enum so just doing name resolution won't work. - // instead pick current enum type and later try to fetch member from the type - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 170 /* ElementAccessExpression */) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9 /* StringLiteral */) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - // expression part in ElementAccess\PropertyAccess should be either identifier or dottedName - var current = expression; - while (current) { - if (current.kind === 69 /* Identifier */) { - break; - } - else if (current.kind === 169 /* PropertyAccessExpression */) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - // allow references to constant members of other enums - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384 /* Enum */))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8 /* EnumMember */)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - // self references are illegal - if (member === propertyDecl) { - return undefined; - } - // illegal case: forward reference - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; - } - } - } - } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; - } - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); - } - // Spec 2014 - Section 9.3: - // It isn't possible for one enum declaration to continue the automatic numbering sequence of another, - // and when an enum type has multiple declarations, only one declaration is permitted to omit a value - // for the first member. - // - // Only perform this check once per symbol - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - // check that const is placed\omitted on all enum declarations - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); - } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - // return true if we hit a violation of the rule, false otherwise - if (declaration.kind !== 220 /* EnumDeclaration */) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); - } - } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 217 /* ClassDeclaration */ || - (declaration.kind === 216 /* FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; - } - } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); - } - else if (isGlobalSourceFile(container2)) { - return false; - } - else { - return container1 === container2; - } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - // Grammar checking - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); - } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9 /* StringLiteral */) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } - } - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - // The following checks only apply on a non-ambient instantiated module declaration. - if (symbol.flags & 512 /* ValueModule */ - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); - } - } - // if the module merges with a class declaration in the same lexical scope, - // we need to track this to ensure the correct emit. - var mergedClass = ts.getDeclarationOfKind(symbol, 217 /* ClassDeclaration */); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768 /* LexicalModuleMergesWithClass */; - } - } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module) - // otherwise we'll be swamped in cascading errors. - // We can detect if augmentation was applied using following rules: - // - augmentation for a global scope is always applied - // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module). - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* Merged */); - if (checkBody) { - // body of ambient external module is always a module block - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - // Node is not an augmentation and is not located on the script level. - // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited. - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } - } - } - checkSourceElement(node.body); - } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 196 /* VariableStatement */: - // error each individual name in variable statement instead of marking the entire variable statement - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 230 /* ExportAssignment */: - case 231 /* ExportDeclaration */: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 224 /* ImportEqualsDeclaration */: - if (node.moduleReference.kind !== 9 /* StringLiteral */) { - error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - break; - } - // fallthrough - case 225 /* ImportDeclaration */: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 166 /* BindingElement */: - case 214 /* VariableDeclaration */: - var name_17 = node.name; - if (ts.isBindingPattern(name_17)) { - for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { - var el = _c[_b]; - // mark individual names in binding pattern - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } - // fallthrough - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 216 /* FunctionDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 219 /* TypeAliasDeclaration */: - var symbol = getSymbolOfNode(node); - if (symbol) { - // module augmentations cannot introduce new names on the top level scope of the module - // this is done it two steps - // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error - // 2. main check - report error if value declaration of the parent symbol is module augmentation) - var reportError = !(symbol.flags & 33554432 /* Merged */); - if (!reportError) { - if (isGlobalAugmentation) { - // global symbol should not have parent since it is not explicitly exported - reportError = symbol.parent !== undefined; - } - else { - // symbol should not originate in augmentation - reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); - } - } - if (reportError) { - error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - } - } - break; - } - } - function getFirstIdentifier(node) { - while (true) { - if (node.kind === 136 /* QualifiedName */) { - node = node.left; - } - else if (node.kind === 169 /* PropertyAccessExpression */) { - node = node.expression; - } - else { - break; - } - } - ts.Debug.assert(node.kind === 69 /* Identifier */); - return node; - } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9 /* StringLiteral */) { - error(moduleName, ts.Diagnostics.String_literal_expected); - return false; - } - var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { - error(moduleName, node.kind === 231 /* ExportDeclaration */ ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); - return false; - } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - // we have already reported errors on top level imports\exports in external module augmentations in checkModuleDeclaration - // no need to do this again. - if (!isTopLevelInExternalModuleAugmentation(node)) { - // TypeScript 1.0 spec (April 2013): 12.1.6 - // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference - // other external modules only through top - level external module names. - // Relative external module names are not permitted. - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } - } - return true; - } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & 107455 /* Value */ ? 107455 /* Value */ : 0) | - (symbol.flags & 793056 /* Type */ ? 793056 /* Type */ : 0) | - (symbol.flags & 1536 /* Namespace */ ? 1536 /* Namespace */ : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 233 /* ExportSpecifier */ ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); - } - } - } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); - } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); - } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); - } - } - } - } - } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (node.flags & 2 /* Export */) { - markExportAsReferenced(node); - } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455 /* Value */) { - // Target is a value symbol, check that it is not hidden by a local declaration with the same name - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 /* Value */ | 1536 /* Namespace */).flags & 1536 /* Namespace */)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793056 /* Type */) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); - } - } - } - else { - if (modulekind === 5 /* ES6 */ && !ts.isInAmbientContext(node)) { - // Import equals declaration is deprecated in es6 or above - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); - } - } - } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - // If we hit an export in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); - } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - // export { x, y } - // export { x, y } from "foo" - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); - } - } - else { - // export * from "foo" - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); - } - } - } - } - function checkGrammarModuleElementContext(node, errorMessage) { - if (node.parent.kind !== 251 /* SourceFile */ && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 221 /* ModuleDeclaration */) { - return grammarErrorOnFirstToken(node, errorMessage); - } - } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases) - var symbol = resolveName(exportedName, exportedName.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, - /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); - } - else { - markExportAsReferenced(node); - } - } - } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { - // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors. - return; - } - var container = node.parent.kind === 251 /* SourceFile */ ? node.parent : node.parent.parent; - if (container.kind === 221 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); - return; - } - // Grammar checking - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); - } - if (node.expression.kind === 69 /* Identifier */) { - markExportAsReferenced(node); - } - else { - checkExpressionCached(node.expression); - } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === 5 /* ES6 */) { - // export assignment is not supported in es6 modules - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === 4 /* System */) { - // system modules does not support export assignment - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } - } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; - } - } - return false; - } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - // Checks for export * conflicts - var exports = getExportsOfModule(moduleSymbol); - for (var id in exports) { - if (id === "__export") { - continue; - } - var _a = exports[id], declarations = _a.declarations, flags = _a.flags; - // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. (TS Exceptions: namespaces, function overloads, enums, and interfaces) - if (!(flags & (1536 /* Namespace */ | 64 /* Interface */ | 384 /* Enum */)) && (flags & 524288 /* TypeAlias */ ? declarations.length - 1 : declarations.length) > 1) { - var exportedDeclarations = ts.filter(declarations, isNotOverload); - if (exportedDeclarations.length > 1) { - for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { - var declaration = exportedDeclarations_1[_i]; - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); - } - } - } - } - links.exportsChecked = true; - } - function isNotOverload(declaration) { - return declaration.kind !== 216 /* FunctionDeclaration */ || !!declaration.body; - } - } - function checkSourceElement(node) { - if (!node) { - return; - } - var kind = node.kind; - if (cancellationToken) { - // Only bother checking on a few construct kinds. We don't want to be excessivly - // hitting the cancellation token on every node we check. - switch (kind) { - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - cancellationToken.throwIfCancellationRequested(); - } - } - switch (kind) { - case 138 /* TypeParameter */: - return checkTypeParameter(node); - case 139 /* Parameter */: - return checkParameter(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return checkPropertyDeclaration(node); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - return checkSignatureDeclaration(node); - case 150 /* IndexSignature */: - return checkSignatureDeclaration(node); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return checkMethodDeclaration(node); - case 145 /* Constructor */: - return checkConstructorDeclaration(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return checkAccessorDeclaration(node); - case 152 /* TypeReference */: - return checkTypeReferenceNode(node); - case 151 /* TypePredicate */: - return checkTypePredicate(node); - case 155 /* TypeQuery */: - return checkTypeQuery(node); - case 156 /* TypeLiteral */: - return checkTypeLiteral(node); - case 157 /* ArrayType */: - return checkArrayType(node); - case 158 /* TupleType */: - return checkTupleType(node); - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return checkUnionOrIntersectionType(node); - case 161 /* ParenthesizedType */: - return checkSourceElement(node.type); - case 216 /* FunctionDeclaration */: - return checkFunctionDeclaration(node); - case 195 /* Block */: - case 222 /* ModuleBlock */: - return checkBlock(node); - case 196 /* VariableStatement */: - return checkVariableStatement(node); - case 198 /* ExpressionStatement */: - return checkExpressionStatement(node); - case 199 /* IfStatement */: - return checkIfStatement(node); - case 200 /* DoStatement */: - return checkDoStatement(node); - case 201 /* WhileStatement */: - return checkWhileStatement(node); - case 202 /* ForStatement */: - return checkForStatement(node); - case 203 /* ForInStatement */: - return checkForInStatement(node); - case 204 /* ForOfStatement */: - return checkForOfStatement(node); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return checkBreakOrContinueStatement(node); - case 207 /* ReturnStatement */: - return checkReturnStatement(node); - case 208 /* WithStatement */: - return checkWithStatement(node); - case 209 /* SwitchStatement */: - return checkSwitchStatement(node); - case 210 /* LabeledStatement */: - return checkLabeledStatement(node); - case 211 /* ThrowStatement */: - return checkThrowStatement(node); - case 212 /* TryStatement */: - return checkTryStatement(node); - case 214 /* VariableDeclaration */: - return checkVariableDeclaration(node); - case 166 /* BindingElement */: - return checkBindingElement(node); - case 217 /* ClassDeclaration */: - return checkClassDeclaration(node); - case 218 /* InterfaceDeclaration */: - return checkInterfaceDeclaration(node); - case 219 /* TypeAliasDeclaration */: - return checkTypeAliasDeclaration(node); - case 220 /* EnumDeclaration */: - return checkEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return checkModuleDeclaration(node); - case 225 /* ImportDeclaration */: - return checkImportDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return checkImportEqualsDeclaration(node); - case 231 /* ExportDeclaration */: - return checkExportDeclaration(node); - case 230 /* ExportAssignment */: - return checkExportAssignment(node); - case 197 /* EmptyStatement */: - checkGrammarStatementInAmbientContext(node); - return; - case 213 /* DebuggerStatement */: - checkGrammarStatementInAmbientContext(node); - return; - case 234 /* MissingDeclaration */: - return checkMissingDeclaration(node); - } - } - // Function and class expression bodies are checked after all statements in the enclosing body. This is - // to ensure constructs like the following are permitted: - // const foo = function () { - // const s = foo(); - // return "hello"; - // } - // Here, performing a full type check of the body of the function expression whilst in the process of - // determining the type of foo would cause foo to be given type any because of the recursive reference. - // Delaying the type check of the body ensures foo has been assigned a type. - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); - } - } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - checkAccessorDeferred(node); - break; - case 189 /* ClassExpression */: - checkClassExpressionDeferred(node); - break; - } - } - } - function checkSourceFile(node) { - var start = new Date().getTime(); - checkSourceFileWorker(node); - ts.checkTime += new Date().getTime() - start; - } - // Fully type check a source file and collect the relevant diagnostics. - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1 /* TypeChecked */)) { - // Check whether the file has declared it is the default lib, - // and whether the user has specifically chosen to avoid checking it. - if (compilerOptions.skipDefaultLibCheck) { - // If the user specified '--noLib' and a file has a '/// ', - // then we should treat that file as a default lib. - if (node.hasNoDefaultLib) { - return; - } - } - // Grammar checking - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - deferredNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); - } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; - } - links.flags |= 1 /* TypeChecked */; - } - } - function getDiagnostics(sourceFile, ct) { - try { - // Record the cancellation token so it can be checked later on during checkSourceElement. - // Do this in a finally block so we can ensure that it gets reset back to nothing after - // this call is done. - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); - } - finally { - cancellationToken = undefined; - } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); - } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); - } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); - } - } - // Language service support - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 208 /* WithStatement */ && node.parent.statement === node) { - return true; - } - node = node.parent; - } - } - return false; - } - function getSymbolsInScope(location, meaning) { - var symbols = {}; - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 221 /* ModuleDeclaration */: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931 /* ModuleMember */); - break; - case 220 /* EnumDeclaration */: - copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */); - break; - case 189 /* ClassExpression */: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - // fall through; this fall-through is necessary because we would like to handle - // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - // If we didn't come from static member of class or interface, - // add the type parameters into the symbol table - // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol. - // Note: that the memberFlags come from previous iteration. - if (!(memberFlags & 64 /* Static */)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793056 /* Type */); - } - break; - case 176 /* FunctionExpression */: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = location.flags; - location = location.parent; - } - copySymbols(globals, meaning); - } - /** - * Copy the given symbol into symbol tables if the symbol has the given meaning - * and it doesn't already existed in the symbol table - * @param key a key for storing in symbol table; if undefined, use symbol.name - * @param symbol the symbol to be added into symbol table - * @param meaning meaning of symbol to filter by before adding to symbol table - */ - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - // We will copy all symbol regardless of its reserved name because - // symbolsToArray will check whether the key is a reserved name and - // it will not copy symbol with reserved name to the array - if (!ts.hasProperty(symbols, id)) { - symbols[id] = symbol; - } - } - } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); - } - } - } - } - function isTypeDeclarationName(name) { - return name.kind === 69 /* Identifier */ && - isTypeDeclaration(name.parent) && - name.parent.name === name; - } - function isTypeDeclaration(node) { - switch (node.kind) { - case 138 /* TypeParameter */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - return true; - } - } - // True if the given identifier is part of a type reference - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return node.parent && node.parent.kind === 152 /* TypeReference */; - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 169 /* PropertyAccessExpression */) { - node = node.parent; - } - return node.parent && node.parent.kind === 191 /* ExpressionWithTypeArguments */; - } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 136 /* QualifiedName */) { - nodeOnRightSide = nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 224 /* ImportEqualsDeclaration */) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 230 /* ExportAssignment */) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; - } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; - } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169 /* PropertyAccessExpression */) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1 /* ExportsProperty */: - case 3 /* PrototypeProperty */: - return getSymbolOfNode(entityName.parent); - case 4 /* ThisProperty */: - case 2 /* ModuleExports */: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 230 /* ExportAssignment */) { - return resolveEntityName(entityName, - /*all meanings*/ 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - if (entityName.kind !== 169 /* PropertyAccessExpression */) { - if (isInRightSideOfImportOrExportAssignment(entityName)) { - // Since we already checked for ExportAssignment, this really could only be an Import - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); - } - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0 /* None */; - // In an interface or class, we're definitely interested in a type. - if (entityName.parent.kind === 191 /* ExpressionWithTypeArguments */) { - meaning = 793056 /* Type */; - // In a class 'extends' clause we are also looking for a value. - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455 /* Value */; - } - } - else { - meaning = 1536 /* Namespace */; - } - meaning |= 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if ((entityName.parent.kind === 238 /* JsxOpeningElement */) || - (entityName.parent.kind === 237 /* JsxSelfClosingElement */) || - (entityName.parent.kind === 240 /* JsxClosingElement */)) { - return getJsxElementTagSymbol(entityName.parent); - } - else if (ts.isExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { - // Missing entity name. - return undefined; - } - if (entityName.kind === 69 /* Identifier */) { - // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead - // return the alias symbol. - var meaning = 107455 /* Value */ | 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if (entityName.kind === 169 /* PropertyAccessExpression */) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - else if (entityName.kind === 136 /* QualifiedName */) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = entityName.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; - // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead - // return the alias symbol. - meaning |= 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if (entityName.parent.kind === 241 /* JsxAttribute */) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 151 /* TypePredicate */) { - return resolveEntityName(entityName, /*meaning*/ 1 /* FunctionScopedVariable */); - } - // Do we want to return undefined here? - return undefined; - } - function getSymbolAtLocation(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - if (ts.isDeclarationName(node)) { - // This is a declaration, call getSymbolOfNode - return getSymbolOfNode(node.parent); - } - if (node.kind === 69 /* Identifier */) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return node.parent.kind === 230 /* ExportAssignment */ - ? getSymbolOfEntityNameOrPropertyAccessExpression(node) - : getSymbolOfPartOfRightHandSideOfImportEquals(node); - } - else if (node.parent.kind === 166 /* BindingElement */ && - node.parent.parent.kind === 164 /* ObjectBindingPattern */ && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; - } - } - } - switch (node.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 162 /* ThisType */: - return getTypeFromTypeNode(node).symbol; - case 121 /* ConstructorKeyword */: - // constructor keyword for an overload, should take us to the definition if it exist - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 145 /* Constructor */) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9 /* StringLiteral */: - // External module name in an import declaration - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 225 /* ImportDeclaration */ || node.parent.kind === 231 /* ExportDeclaration */) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - // Fall through - case 8 /* NumericLiteral */: - // index access - if (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); - } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - // The function returns a value symbol of an identifier in the short-hand property assignment. - // This is necessary as an identifier in short-hand property assignment can contains two meaning: - // property name and property value. - if (location && location.kind === 249 /* ShorthandPropertyAssignment */) { - return resolveEntityName(location.name, 107455 /* Value */ | 8388608 /* Alias */); - } - return undefined; - } - /** Returns the target of an export specifier without following aliases */ - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return unknownType; - } - if (ts.isTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the - // extends clause of a class. We handle that case here. - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent); - } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); - } - return unknownType; - } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; - } - return checkExpression(expr); - } - /** - * Gets either the static or instance type of a class element, based on - * whether the element is declared as "static". - */ - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return node.flags & 64 /* Static */ - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); - } - // Return the list of properties of the given type, augmented with properties from Function - // if the type has call or construct signatures - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0 /* Call */).length || getSignaturesOfType(type, 1 /* Construct */).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!ts.hasProperty(propsByName, p.name)) { - propsByName[p.name] = p; - } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456 /* SyntheticProperty */) { - var symbols_3 = []; - var name_18 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_18); - if (symbol) { - symbols_3.push(symbol); - } - }); - return symbols_3; - } - else if (symbol.flags & 67108864 /* Transient */) { - var target = getSymbolLinks(symbol).target; - if (target) { - return [target]; - } - } - return [symbol]; - } - // Emitter support - function isArgumentsLocalBinding(node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol) { - // module not found - be conservative - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment - // otherwise it will return moduleSymbol itself - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - // for export assignments - check if resolved symbol for RHS is itself a value - // otherwise - check if at least one export is value - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455 /* Value */) - : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455 /* Value */); - } - } - // When resolved as an expression identifier, if the given node references an exported entity, return the declaration - // node of the exported entity's container. Otherwise, return undefined. - function getReferencedExportContainer(node) { - var symbol = getReferencedValueSymbol(node); - if (symbol) { - if (symbol.flags & 1048576 /* ExportValue */) { - // If we reference an exported entity within the same module declaration, then whether - // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the - // kinds that we do NOT prefix. - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (exportSymbol.flags & 944 /* ExportHasLocal */) { - return undefined; - } - symbol = exportSymbol; - } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 /* ValueModule */ && parentSymbol.valueDeclaration.kind === 251 /* SourceFile */) { - return parentSymbol.valueDeclaration; - } - for (var n = node.parent; n; n = n.parent) { - if ((n.kind === 221 /* ModuleDeclaration */ || n.kind === 220 /* EnumDeclaration */) && getSymbolOfNode(n) === parentSymbol) { - return n; - } - } - } - } - } - // When resolved as an expression identifier, if the given node references an import, return the declaration of - // that import. Otherwise, return undefined. - function getReferencedImportDeclaration(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && symbol.flags & 8388608 /* Alias */ ? getDeclarationOfAliasSymbol(symbol) : undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418 /* BlockScoped */) { - var links = getSymbolLinks(symbol); - if (links.isDeclaratonWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { - // redeclaration - always should be renamed - links.isDeclaratonWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072 /* CapturedBlockScopedBinding */) { - // binding is captured in the function - // should be renamed if: - // - binding is not top level - top level bindings never collide with anything - // AND - // - binding is not declared in loop, should be renamed to avoid name reuse across siblings - // let a, b - // { let x = 1; a = () => x; } - // { let x = 100; b = () => x; } - // console.log(a()); // should print '1' - // console.log(b()); // should print '100' - // OR - // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body - // * variables from initializer are passed to rewritted loop body as parameters so they are not captured directly - // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus - // they will not collide with anything - var isDeclaredInLoop = nodeLinks_1.flags & 262144 /* BlockScopedBindingInLoop */; - var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false); - var inLoopBodyBlock = container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false); - links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclaratonWithCollidingName = false; - } - } - } - return links.isDeclaratonWithCollidingName; - } - return false; - } - // When resolved as an expression identifier, if the given node references a nested block scoped entity with - // a name that either hides an existing name or might hide it when compiled downlevel, - // return the declaration of that entity. Otherwise, return undefined. - function getReferencedDeclarationWithCollidingName(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; - } - // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an - // existing name or might hide a name when compiled downlevel - function isDeclarationWithCollidingName(node) { - return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); - } - function isValueAliasDeclaration(node) { - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return isAliasResolvedToValue(getSymbolOfNode(node)); - case 231 /* ExportDeclaration */: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 230 /* ExportAssignment */: - return node.expression && node.expression.kind === 69 /* Identifier */ ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; - } - return false; - } - function isTopLevelValueImportEqualsWithEntityName(node) { - if (node.parent.kind !== 251 /* SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) { - // parent is not source file or it is not reference to internal module - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); - } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol && compilerOptions.isolatedModules) { - return true; - } - // const enums and modules that contain only const enums are not considered values from the emit perespective - // unless 'preserveConstEnums' option is set to true - return target !== unknownSymbol && - target && - target.flags & 107455 /* Value */ && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); - } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; - } - function isReferencedAliasDeclaration(node, checkChildren) { - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (getSymbolLinks(symbol).referenced) { - return true; - } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); - } - return false; - } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - // If this function body corresponds to function with multiple signature, it is implementation of overload - // e.g.: function foo(a: string): string; - // function foo(a: number): number; - // function foo(a: any) { // This is implementation of the overloads - // return a; - // } - return signaturesOfSymbol.length > 1 || - // If there is single signature for the symbol, it is overload if that signature isn't coming from the node - // e.g.: function foo(a: string): string; - // function foo(a: any) { // This is implementation of the overloads - // return a; - // } - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); - } - return false; - } - function getNodeCheckFlags(node) { - return getNodeLinks(node).flags; - } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; - } - function getConstantValue(node) { - if (node.kind === 250 /* EnumMember */) { - return getEnumMemberValue(node); - } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8 /* EnumMember */)) { - // inline property\index accesses only for const enums - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); - } - } - return undefined; - } - function isFunctionType(type) { - return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; - } - function getTypeReferenceSerializationKind(typeName) { - // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. - var valueSymbol = resolveEntityName(typeName, 107455 /* Value */, /*ignoreErrors*/ true); - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; - } - // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer. - var typeSymbol = resolveEntityName(typeName, 793056 /* Type */, /*ignoreErrors*/ true); - // We might not be able to resolve type symbol so use unknown type in that case (eg error case) - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; - } - else if (type.flags & 1 /* Any */) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - else if (allConstituentTypesHaveKind(type, 16 /* Void */)) { - return ts.TypeReferenceSerializationKind.VoidType; - } - else if (allConstituentTypesHaveKind(type, 8 /* Boolean */)) { - return ts.TypeReferenceSerializationKind.BooleanType; - } - else if (allConstituentTypesHaveKind(type, 132 /* NumberLike */)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; - } - else if (allConstituentTypesHaveKind(type, 258 /* StringLike */)) { - return ts.TypeReferenceSerializationKind.StringLikeType; - } - else if (allConstituentTypesHaveKind(type, 8192 /* Tuple */)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else if (allConstituentTypesHaveKind(type, 16777216 /* ESSymbol */)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; - } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; - } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else { - return ts.TypeReferenceSerializationKind.ObjectType; - } - } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - // Get type of the symbol if this is the valid symbol otherwise get type at location - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* Signature */)) - ? getTypeOfSymbol(symbol) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getTypeOfExpression(expr); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return ts.hasProperty(globals, name); - } - function getReferencedValueSymbol(reference) { - return getNodeLinks(reference).resolvedSymbol || - resolveName(reference, reference.text, 107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */, - /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined); - } - function getReferencedValueDeclaration(reference) { - ts.Debug.assert(!ts.nodeIsSynthesized(reference)); - var symbol = getReferencedValueSymbol(reference); - return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; - } - function createResolver() { - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration - }; - } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); - if (!moduleSymbol) { - return undefined; - } - return ts.getDeclarationOfKind(moduleSymbol, 251 /* SourceFile */); - } - function initializeTypeChecker() { - // Bind all source files and propagate errors - ts.forEach(host.getSourceFiles(), function (file) { - ts.bindSourceFile(file, compilerOptions); - }); - var augmentations; - // Initialize global symbol table - ts.forEach(host.getSourceFiles(), function (file) { - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); - } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); - } - }); - if (augmentations) { - // merge module augmentations. - // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed - for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { - var list = augmentations_1[_i]; - for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { - var augmentation = list_2[_a]; - mergeModuleAugmentation(augmentation); - } - } - } - // Setup global builtins - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - // Initialize special types - globalArrayType = getGlobalType("Array", /*arity*/ 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", /*arity*/ 1); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", /*arity*/ 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056 /* Type */, /*diagnostic*/ undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", /*arity*/ 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - // If we're in ES6 mode, load the TemplateStringsArray. - // Otherwise, default to 'unknown' for the purposes of type checking in LS scenarios. - if (languageVersion >= 2 /* ES6 */) { - globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); - globalESSymbolType = getGlobalType("Symbol"); - globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); - globalIterableType = getGlobalType("Iterable", /*arity*/ 1); - globalIteratorType = getGlobalType("Iterator", /*arity*/ 1); - globalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1); - } - else { - globalTemplateStringsArrayType = unknownType; - // Consider putting Symbol interface in lib.d.ts. On the plus side, putting it in lib.d.ts would make it - // extensible for Polyfilling Symbols. But putting it into lib.d.ts could also break users that have - // a global Symbol already, particularly if it is a class. - globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - globalESSymbolConstructorSymbol = undefined; - globalIterableType = emptyGenericType; - globalIteratorType = emptyGenericType; - globalIterableIteratorType = emptyGenericType; - } - anyArrayType = createArrayType(anyType); - } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); - } - return emptyObjectType; - } - function createThenableType() { - // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. - var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(65536 /* Anonymous */); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; - } - // GRAMMAR CHECKING - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 144 /* MethodDeclaration */ && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } - } - else if (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); - } - } - return false; - } - function checkGrammarModifiers(node) { - switch (node.kind) { - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - case 221 /* ModuleDeclaration */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - case 230 /* ExportAssignment */: - case 139 /* Parameter */: - break; - case 216 /* FunctionDeclaration */: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118 /* AsyncKeyword */) && - node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 196 /* VariableStatement */: - case 219 /* TypeAliasDeclaration */: - if (node.modifiers && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 220 /* EnumDeclaration */: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74 /* ConstKeyword */) && - node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - default: - return false; - } - if (!node.modifiers) { - return; - } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - switch (modifier.kind) { - case 74 /* ConstKeyword */: - if (node.kind !== 220 /* EnumDeclaration */ && node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74 /* ConstKeyword */)); - } - break; - case 112 /* PublicKeyword */: - case 111 /* ProtectedKeyword */: - case 110 /* PrivateKeyword */: - var text = void 0; - if (modifier.kind === 112 /* PublicKeyword */) { - text = "public"; - } - else if (modifier.kind === 111 /* ProtectedKeyword */) { - text = "protected"; - lastProtected = modifier; - } - else { - text = "private"; - lastPrivate = modifier; - } - if (flags & 56 /* AccessibilityModifier */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); - } - else if (flags & 128 /* Abstract */) { - if (modifier.kind === 110 /* PrivateKeyword */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 113 /* StaticKeyword */: - if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 64 /* Static */; - lastStatic = modifier; - break; - case 82 /* ExportKeyword */: - if (flags & 2 /* Export */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 4 /* Ambient */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 2 /* Export */; - break; - case 122 /* DeclareKeyword */: - if (flags & 4 /* Ambient */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); - } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222 /* ModuleBlock */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); - } - flags |= 4 /* Ambient */; - lastDeclare = modifier; - break; - case 115 /* AbstractKeyword */: - if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); - } - if (node.kind !== 217 /* ClassDeclaration */) { - if (node.kind !== 144 /* MethodDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); - } - if (!(node.parent.kind === 217 /* ClassDeclaration */ && node.parent.flags & 128 /* Abstract */)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 16 /* Private */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); - } - } - flags |= 128 /* Abstract */; - break; - case 118 /* AsyncKeyword */: - if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 4 /* Ambient */ || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); - } - flags |= 256 /* Async */; - lastAsync = modifier; - break; - } - } - if (node.kind === 145 /* Constructor */) { - if (flags & 64 /* Static */) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); - } - if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); - } - else if (flags & 32 /* Protected */) { - return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); - } - else if (flags & 16 /* Private */) { - return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); - } - return; - } - else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && flags & 4 /* Ambient */) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); - } - else if (node.kind === 139 /* Parameter */ && (flags & 56 /* AccessibilityModifier */) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); - } - if (flags & 256 /* Async */) { - return checkGrammarAsyncModifier(node, lastAsync); - } - } - function checkGrammarAsyncModifier(node, asyncModifier) { - if (languageVersion < 2 /* ES6 */) { - return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); - } - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!node.asteriskToken) { - return false; - } - break; - } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); - } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function checkGrammarTypeParameterList(node, typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; - } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); - } - } - function checkGrammarParameterList(parameters) { - if (checkGrammarForDisallowedTrailingComma(parameters)) { - return true; - } - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); - } - } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); - } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); - } - } - } - function checkGrammarFunctionLikeDeclaration(node) { - // Prevent cascading error by short-circuit - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); - } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 177 /* ArrowFunction */) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); - } - } - return false; - } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); - } - if (parameter.flags & 1022 /* Modifier */) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); - } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); - } - if (parameter.type.kind !== 130 /* StringKeyword */ && parameter.type.kind !== 128 /* NumberKeyword */) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); - } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); - } - } - function checkGrammarForIndexSignatureModifier(node) { - if (node.flags & 1022 /* Modifier */) { - grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); - } - } - function checkGrammarIndexSignature(node) { - // Prevent cascading error by short-circuit - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); - } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { - var arg = args_1[_i]; - if (arg.kind === 190 /* OmittedExpression */) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); - } - } - } - } - function checkGrammarArguments(node, args) { - return checkGrammarForDisallowedTrailingComma(args) || - checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; - } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); - } - } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83 /* ExtendsKeyword */) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); - } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); - } - seenImplementsClause = true; - } - // Grammar checking heritageClause inside class declaration - checkGrammarHeritageClause(heritageClause); - } - } - } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83 /* ExtendsKeyword */) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); - } - // Grammar checking heritageClause inside class declaration - checkGrammarHeritageClause(heritageClause); - } - } - return false; - } - function checkGrammarComputedPropertyName(node) { - // If node is not a computedPropertyName, just skip the grammar checking - if (node.kind !== 137 /* ComputedPropertyName */) { - return false; - } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 184 /* BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 24 /* CommaToken */) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); - } - } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 216 /* FunctionDeclaration */ || - node.kind === 176 /* FunctionExpression */ || - node.kind === 144 /* MethodDeclaration */); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2 /* ES6 */) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); - } - } - } - function checkGrammarForInvalidQuestionMark(node, questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); - } - } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = {}; - var Property = 1; - var GetAccessor = 2; - var SetAccesor = 4; - var GetOrSetAccessor = GetAccessor | SetAccesor; - var _loop_1 = function(prop) { - var name_19 = prop.name; - if (prop.kind === 190 /* OmittedExpression */ || - name_19.kind === 137 /* ComputedPropertyName */) { - // If the name is not a ComputedPropertyName, the grammar checking will skip it - checkGrammarComputedPropertyName(name_19); - return "continue"; - } - if (prop.kind === 249 /* ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) { - // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern - // outside of destructuring it is a syntax error - return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; - } - // Modifiers are never allowed on properties except for 'async' on a method declaration - ts.forEach(prop.modifiers, function (mod) { - if (mod.kind !== 118 /* AsyncKeyword */ || prop.kind !== 144 /* MethodDeclaration */) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - }); - // ECMA-262 11.1.5 Object Initialiser - // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true - // a.This production is contained in strict code and IsDataDescriptor(previous) is true and - // IsDataDescriptor(propId.descriptor) is true. - // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. - // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. - // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true - // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields - var currentKind = void 0; - if (prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */) { - // Grammar checking for computedPropertName and shorthandPropertyAssignment - checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_19.kind === 8 /* NumericLiteral */) { - checkGrammarNumericLiteral(name_19); - } - currentKind = Property; - } - else if (prop.kind === 144 /* MethodDeclaration */) { - currentKind = Property; - } - else if (prop.kind === 146 /* GetAccessor */) { - currentKind = GetAccessor; - } - else if (prop.kind === 147 /* SetAccessor */) { - currentKind = SetAccesor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - if (!ts.hasProperty(seen, name_19.text)) { - seen[name_19.text] = currentKind; - } - else { - var existingKind = seen[name_19.text]; - if (currentKind === Property && existingKind === Property) { - return "continue"; - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[name_19.text] = currentKind | existingKind; - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; - } - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; - } - } - }; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var state_2 = _loop_1(prop); - if (typeof state_2 === "object") return state_2.value; - if (state_2 === "continue") continue; - } - } - function checkGrammarJsxElement(node) { - var seen = {}; - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 242 /* JsxSpreadAttribute */) { - continue; - } - var jsxAttr = attr; - var name_20 = jsxAttr.name; - if (!ts.hasProperty(seen, name_20.text)) { - seen[name_20.text] = true; - } - else { - return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 243 /* JsxExpression */ && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); - } - } - } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; - } - if (forInOrOfStatement.initializer.kind === 215 /* VariableDeclarationList */) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - // declarations.length can be zero if there is an error in variable declaration in for-of or for-in - // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details - // For example: - // var let = 10; - // for (let of [1,2,3]) {} // this is invalid ES6 syntax - // for (let in [1,2,3]) {} // this is invalid ES6 syntax - // We will then want to skip on grammar checking on variableList declaration - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); - } - } - } - return false; - } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1 /* ES5 */) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (kind === 146 /* GetAccessor */ && accessor.parameters.length) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); - } - else if (kind === 147 /* SetAccessor */) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); - } - else if (accessor.parameters.length !== 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); - } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); - } - else if (parameter.flags & 1022 /* Modifier */) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); - } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); - } - } - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } - } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 168 /* ObjectLiteralExpression */) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - } - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - // Technically, computed properties in ambient contexts is disallowed - // for property declarations and accessors too, not just methods. - // However, property declarations disallow computed names in general, - // and accessors are not allowed in ambient contexts in general, - // so this error only really matters for methods. - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); - } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); - } - } - else if (node.parent.kind === 218 /* InterfaceDeclaration */) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); - } - else if (node.parent.kind === 156 /* TypeLiteral */) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); - } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 210 /* LabeledStatement */: - if (node.label && current.label.text === node.label.text) { - // found matching label - verify that label usage is correct - // continue can only target labels that are on iteration statements - var isMisplacedContinueLabel = node.kind === 205 /* ContinueStatement */ - && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 209 /* SwitchStatement */: - if (node.kind === 206 /* BreakStatement */ && !node.label) { - // unlabeled break within switch statement - ok - return false; - } - break; - default: - if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) { - // unlabeled break or continue within iteration statement - ok - return false; - } - break; - } - current = current.parent; - } - if (node.label) { - var message = node.kind === 206 /* BreakStatement */ - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - else { - var message = node.kind === 206 /* BreakStatement */ - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 165 /* ArrayBindingPattern */ || node.name.kind === 164 /* ObjectBindingPattern */) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (node.initializer) { - // Error on equals token which immediate precedes the initializer - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 203 /* ForInStatement */ && node.parent.parent.kind !== 204 /* ForOfStatement */) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - // Error on equals token which immediate precedes the initializer - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } - } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - // 1. LexicalDeclaration : LetOrConst BindingList ; - // It is a Syntax Error if the BoundNames of BindingList contains "let". - // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding - // It is a Syntax Error if the BoundNames of ForDeclaration contains "let". - // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code - // and its Identifier is eval or arguments - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 69 /* Identifier */) { - if (name.originalKeywordKind === 108 /* LetKeyword */) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); - } - } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } - } - } - } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { - return true; - } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); - } - } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return false; - case 210 /* LabeledStatement */: - return allowLetAndConstDeclarations(parent.parent); - } - return true; - } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); - } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); - } - } - } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; - } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } - } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || - checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - } - else if (node.parent.kind === 218 /* InterfaceDeclaration */) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); - } - } - else if (node.parent.kind === 156 /* TypeLiteral */) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); - } - } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - // A declare modifier is required for any top level .d.ts declaration except export=, export default, - // interfaces and imports categories: - // - // DeclarationElement: - // ExportAssignment - // export_opt InterfaceDeclaration - // export_opt TypeAliasDeclaration - // export_opt ImportDeclaration - // export_opt ExternalImportDeclaration - // export_opt AmbientDeclaration - // - // TODO: The spec needs to be amended to reflect this grammar. - if (node.kind === 218 /* InterfaceDeclaration */ || - node.kind === 219 /* TypeAliasDeclaration */ || - node.kind === 225 /* ImportDeclaration */ || - node.kind === 224 /* ImportEqualsDeclaration */ || - node.kind === 231 /* ExportDeclaration */ || - node.kind === 230 /* ExportAssignment */ || - (node.flags & 4 /* Ambient */) || - (node.flags & (2 /* Export */ | 512 /* Default */))) { - return false; - } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); - } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 196 /* VariableStatement */) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } - } - } - } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); - } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - // An accessors is already reported about the ambient context - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - // Find containing block which is either Block, ModuleBlock, SourceFile - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); - } - // We are either parented by another statement, or some sort of block. - // If we're in a block, we only want to really report an error once - // to prevent noisyness. So use a bit on the block to indicate if - // this has already been reported, and don't report if it has. - // - if (node.parent.kind === 195 /* Block */ || node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - var links_1 = getNodeLinks(node.parent); - // Check if the containing block ever report this error - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); - } - } - else { - } - } - } - function checkGrammarNumericLiteral(node) { - // Grammar checking - if (node.flags & 32768 /* OctalLiteral */ && languageVersion >= 1 /* ES5 */) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); - } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2)); - return true; - } - } - var _a; - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var nullSourceMapWriter; - // Used for initialize lastEncodedSourceMapSpan and reset lastEncodedSourceMapSpan when updateLastEncodedAndRecordedSpans - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function getNullSourceMapWriter() { - if (nullSourceMapWriter === undefined) { - nullSourceMapWriter = { - getSourceMapData: function () { return undefined; }, - setSourceFile: function (sourceFile) { }, - emitStart: function (range) { }, - emitEnd: function (range, stopOverridingSpan) { }, - emitPos: function (pos) { }, - changeEmitSourcePos: function () { }, - getText: function () { return undefined; }, - getSourceMappingURL: function () { return undefined; }, - initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, - reset: function () { } - }; - } - return nullSourceMapWriter; - } - ts.getNullSourceMapWriter = getNullSourceMapWriter; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var currentSourceFile; - var sourceMapDir; // The directory in which sourcemap will be - var stopOverridingSpan = false; - var modifyLastSourcePos = false; - // Current source map file and its index in the sources list - var sourceMapSourceIndex; - // Last recorded and encoded spans - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - // Source map data - var sourceMapData; - return { - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitStart: emitStart, - emitEnd: emitEnd, - changeEmitSourcePos: changeEmitSourcePos, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - initialize: initialize, - reset: reset - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - // Current source map file and its index in the sources list - sourceMapSourceIndex = -1; - // Last recorded and encoded spans - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - // Initialize source map data - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the - // relative paths of the sources list in the sourcemap - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47 /* slash */) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - // For modules or multiple emit files the mapRoot will have directory structure like the sources - // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - // The relative paths are relative to the common directory - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath - ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), // this is where user expects to see sourceMap - host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } - } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); - } - } - function reset() { - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; - } - function updateLastEncodedAndRecordedSpans() { - if (modifyLastSourcePos) { - // Reset the source pos - modifyLastSourcePos = false; - // Change Last recorded Map with last encoded emit line and character - lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; - lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; - // Pop sourceMapDecodedMappings to remove last entry - sourceMapData.sourceMapDecodedMappings.pop(); - // Point the lastEncodedSourceMapSpace to the previous encoded sourceMapSpan - // If the list is empty which indicates that we are at the beginning of the file, - // we have to reset it to default value (same value when we first initialize sourceMapWriter) - lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? - sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : - defaultLastEncodedSourceMapSpan; - // TODO: Update lastEncodedNameIndex - // Since we dont support this any more, lets not worry about it right now. - // When we start supporting nameIndex, we will get back to this - // Change the encoded source map - var sourceMapMappings = sourceMapData.sourceMapMappings; - var lenthToSet = sourceMapMappings.length - 1; - for (; lenthToSet >= 0; lenthToSet--) { - var currentChar = sourceMapMappings.charAt(lenthToSet); - if (currentChar === ",") { - // Separator for the entry found - break; - } - if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { - // Last line separator found - break; - } - } - sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); - } - } - // Encoding for sourcemap span - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { - return; - } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - // Line/Comma delimiters - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - // Emit comma to separate the entry - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; - } - } - else { - // Emit line delimiters - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; - } - prevEncodedEmittedColumn = 1; - } - // 1. Relative Column 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - // 2. Relative sourceIndex - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - // 3. Relative sourceLine 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - // 4. Relative sourceColumn 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - // 5. Relative namePosition 0 based - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (pos === -1) { - return; - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - // Convert the location to be one-based. - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - // If this location wasn't recorded or the location in source is going backwards, record the span - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - // Encode the last recordedSpan before assigning new - encodeLastRecordedSourceMapSpan(); - // New span - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - stopOverridingSpan = false; - } - else if (!stopOverridingSpan) { - // Take the new pos instead since there is no change in emittedLine and column since last location - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - updateLastEncodedAndRecordedSpans(); - } - function getStartPos(range) { - var rangeHasDecorators = !!range.decorators; - return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; - } - function emitStart(range) { - emitPos(getStartPos(range)); - } - function emitEnd(range, stopOverridingEnd) { - emitPos(range.end); - stopOverridingSpan = stopOverridingEnd; - } - function changeEmitSourcePos() { - ts.Debug.assert(!modifyLastSourcePos); - modifyLastSourcePos = true; - } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - // Add the file to tsFilePaths - // If sourceroot option: Use the relative path corresponding to the common directory path - // otherwise source locations relative to map file location - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - // The one that can be used from program to get the actual source file - sourceMapData.inputSourceFileNames.push(sourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(sourceFile.text); - } - } - } - function getText() { - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent - }); - } - function getSourceMappingURL() { - if (compilerOptions.inlineSourceMap) { - // Encode the sourceMap into the sourceMap url - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; - } - else { - return sourceMapData.jsSourceMappingURL; - } - } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); - } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - // Add a new least significant bit that has the sign of the value. - // if negative number the least significant bit that gets added to the number has value 1 - // else least significant bit value that gets added is 0 - // eg. -1 changes to binary : 01 [1] => 3 - // +1 changes to binary : 01 [0] => 2 - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; - } - else { - inValue = inValue << 1; - } - // Encode 5 bits at a time starting from least significant bits - var encodedStr = ""; - do { - var currentDigit = inValue & 31; // 11111 - inValue = inValue >> 5; - if (inValue > 0) { - // There are still more digits to decode, set the msb (6th bit) - currentDigit = currentDigit | 32; - } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); - } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer = createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - // Contains the reference paths that needs to go in the declaration file. - // Collecting this separately because reference paths need to be first thing in the declaration file - // and we could be collecting these paths from multiple files into single one with --out option - var referencePathsOutput = ""; - // Emit references corresponding to each file - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - // Dont emit for javascript file - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - // Check what references need to be added - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - // Emit reference in dts, if the file reference was not already emitted - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - // Add a reference to generated dts file, - // global file reference is added only - // - if it is not bundled emit (because otherwise it would be self reference) - // - and it is not already added - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); - } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); - } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); - } - // create asynchronous output for the importDeclarations - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 225 /* ImportDeclaration */); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); - } - } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; - } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - // if file was external module with augmentations - this fact should be preserved in .d.ts as well. - // in case if we didn't write any external module specifiers in .d.ts we need to emit something - // that will force compiler to think that this file is an external module - 'export {}' is a reasonable choice here. - write("export {};"); - writeLine(); - } - }); - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencePathsOutput: referencePathsOutput - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; - } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); - } - } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); - return writer; - } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; - } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 214 /* VariableDeclaration */) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 228 /* NamedImports */ || declaration.kind === 229 /* ImportSpecifier */ || declaration.kind === 226 /* ImportClause */) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - // If the alias was marked as not visible when we saw its declaration, we would have saved the aliasEmitInfo, but if we haven't yet visited the alias declaration - // then we don't need to write it at this point. We will write it when we actually see its declaration - // Eg. - // export function bar(a: foo.Foo) { } - // import foo = require("foo"); - // Writing of function bar would mark alias declaration foo as visible but we haven't yet visited that declaration so do nothing, - // we would write alias foo declaration when we visit it since it would now be marked as visible - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 225 /* ImportDeclaration */) { - // we have to create asynchronous output only after we have collected complete information - // because it is possible to enable multiple bindings as asynchronously visible - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } - }); - setWriter(oldWriter); - } - function handleSymbolAccessibilityError(symbolAccesibilityResult) { - if (symbolAccesibilityResult.accessibility === 0 /* Accessible */) { - // write the aliases - if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); - } - } - else { - // Report error - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - } - } - } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); - } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); - } - } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - // Write the type - emitType(type); - } - else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - errorNameNode = undefined; - } - } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - // Write the type - emitType(signature.type); - } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - errorNameNode = undefined; - } - } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } - } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } - } - } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); - } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - // jsDoc comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, /*trailingSeparator*/ true, newLine, ts.writeCommentRange); - } - } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); - } - function emitType(type) { - switch (type.kind) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 162 /* ThisType */: - case 163 /* StringLiteralType */: - return writeTextOfNode(currentText, type); - case 191 /* ExpressionWithTypeArguments */: - return emitExpressionWithTypeArguments(type); - case 152 /* TypeReference */: - return emitTypeReference(type); - case 155 /* TypeQuery */: - return emitTypeQuery(type); - case 157 /* ArrayType */: - return emitArrayType(type); - case 158 /* TupleType */: - return emitTupleType(type); - case 159 /* UnionType */: - return emitUnionType(type); - case 160 /* IntersectionType */: - return emitIntersectionType(type); - case 161 /* ParenthesizedType */: - return emitParenType(type); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return emitSignatureDeclarationWithJsDocComments(type); - case 156 /* TypeLiteral */: - return emitTypeLiteral(type); - case 69 /* Identifier */: - return emitEntityName(type); - case 136 /* QualifiedName */: - return emitEntityName(type); - case 151 /* TypePredicate */: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 69 /* Identifier */) { - writeTextOfNode(currentText, entityName); - } - else { - var left = entityName.kind === 136 /* QualifiedName */ ? entityName.left : entityName.expression; - var right = entityName.kind === 136 /* QualifiedName */ ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); - } - } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, - // Aliases can be written asynchronously so use correct enclosing declaration - entityName.parent.kind === 224 /* ImportEqualsDeclaration */ ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - ts.Debug.assert(node.expression.kind === 69 /* Identifier */ || node.expression.kind === 169 /* PropertyAccessExpression */); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); - } - } - } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); - } - } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); - } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - // write members - emitLines(type.members); - decreaseIndent(); - } - write("}"); - } - } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true /* remove comments */); - emitLines(node.statements); - } - // Return a temp variable name to be used in `export default` statements. - // The temp name will be of the form _default_counter. - // Note that export default is only allowed at most once in a module, so we - // do not need to keep track of created temp names. - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!ts.hasProperty(currentIdentifiers, baseName)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_21 = baseName + "_" + count; - if (!ts.hasProperty(currentIdentifiers, name_21)) { - return name_21; - } - } - } - function emitExportAssignment(node) { - if (node.expression.kind === 69 /* Identifier */) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); - } - else { - // Expression - var tempVarName = getExportDefaultTempVariableName(); - write("declare var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - // Make all the declarations visible for the export name - if (node.expression.kind === 69 /* Identifier */) { - var nodes = resolver.collectLinkedAliases(node.expression); - // write each of these declarations asynchronously - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic(diagnostic) { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; - } - } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); - } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); - } - else if (node.kind === 224 /* ImportEqualsDeclaration */ || - (node.parent.kind === 251 /* SourceFile */ && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251 /* SourceFile */) { - // Import declaration of another module that is visited async so lets put it in right spot - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 225 /* ImportDeclaration */) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - } - } - function writeModuleElement(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - return writeFunctionDeclaration(node); - case 196 /* VariableStatement */: - return writeVariableStatement(node); - case 218 /* InterfaceDeclaration */: - return writeInterfaceDeclaration(node); - case 217 /* ClassDeclaration */: - return writeClassDeclaration(node); - case 219 /* TypeAliasDeclaration */: - return writeTypeAliasDeclaration(node); - case 220 /* EnumDeclaration */: - return writeEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return writeModuleDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return writeImportEqualsDeclaration(node); - case 225 /* ImportDeclaration */: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } - } - function emitModuleElementDeclarationFlags(node) { - // If the node is parented in the current source file we need to emit export declare or just export - if (node.parent.kind === 251 /* SourceFile */) { - // If the node is exported - if (node.flags & 2 /* Export */) { - write("export "); - } - if (node.flags & 512 /* Default */) { - write("default "); - } - else if (node.kind !== 218 /* InterfaceDeclaration */ && !noDeclare) { - write("declare "); - } - } - } - function emitClassMemberDeclarationFlags(node) { - if (node.flags & 16 /* Private */) { - write("private "); - } - else if (node.flags & 32 /* Protected */) { - write("protected "); - } - if (node.flags & 64 /* Static */) { - write("static "); - } - if (node.flags & 128 /* Abstract */) { - write("abstract "); - } - } - function writeImportEqualsDeclaration(node) { - // note usage of writer. methods instead of aliases created, just to make sure we are using - // correct writer especially to handle asynchronous alias writing - emitJsDocComments(node); - if (node.flags & 2 /* Export */) { - write("export "); - } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); - } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); - } - writer.writeLine(); - function getImportEntityNameVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; - } - } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 227 /* NamespaceImport */) { - return resolver.isDeclarationVisible(namedBindings); - } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); - } - } - } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2 /* Export */) { - write("export "); - } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - // If the default binding was emitted, write the separated - write(", "); - } - if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); - } - else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); - } - } - write(" from "); - } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); - } - function emitExternalModuleSpecifier(parent) { - // emitExternalModuleSpecifier is usually called when we emit something in the.d.ts file that will make it an external module (i.e. import/export declarations). - // the only case when it is not true is when we call it to emit correct name for module augmentation - d.ts files with just module augmentations are not considered - // external modules since they are indistingushable from script files with ambient modules. To fix this in such d.ts files we'll emit top level 'export {}' - // so compiler will treat them as external modules. - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221 /* ModuleDeclaration */; - var moduleSpecifier; - if (parent.kind === 224 /* ImportEqualsDeclaration */) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 221 /* ModuleDeclaration */) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 /* StringLiteral */ && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write("\""); - write(moduleName); - write("\""); - return; - } - } - writeTextOfNode(currentText, moduleSpecifier); - } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); - } - writeTextOfNode(currentText, node.name); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - // Make all the declarations visible for the export name - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - // write each of these declarations asynchronously - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); - } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); - } - else { - if (node.flags & 65536 /* Namespace */) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); - } - else { - writeTextOfNode(currentText, node.name); - } - } - while (node.body.kind !== 222 /* ModuleBlock */) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); - } - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; - } - } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); - } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); - } - write(","); - writeLine(); - } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 144 /* MethodDeclaration */ && (node.parent.flags & 16 /* Private */); - } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - // If there is constraint present and this is not a type parameter of the private method emit the constraint - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - (node.parent.parent && node.parent.parent.kind === 156 /* TypeLiteral */)) { - ts.Debug.assert(node.parent.kind === 144 /* MethodDeclaration */ || - node.parent.kind === 143 /* MethodSignature */ || - node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - node.parent.kind === 148 /* CallSignature */ || - node.parent.kind === 149 /* ConstructSignature */); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { - // Type parameter constraints are named by user so we should always be able to name it - var diagnosticMessage; - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 218 /* InterfaceDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 149 /* ConstructSignature */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148 /* CallSignature */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.parent.flags & 64 /* Static */) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 216 /* FunctionDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; - } - } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); - } - } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); - } - function emitTypeOfTypeReference(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 93 /* NullKeyword */) { - write("null"); - } - function getHeritageClauseVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - // Heritage clause is written by user so it can always be named - if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - // Class or Interface implemented/extended is inaccessible - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; - } - else { - // interface is inaccessible - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (param.flags & 56 /* AccessibilityModifier */) { - emitPropertyDeclaration(param); - } - }); - } - } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (node.flags & 128 /* Abstract */) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], /*isImplementsList*/ false); - } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), /*isImplementsList*/ true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), /*isImplementsList*/ false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(node); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - // If we are emitting property it isn't moduleElement and hence we already know it needs to be emitted - // so there is no check needed to see if declaration is visible - if (node.kind !== 214 /* VariableDeclaration */ || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - // If this node is a computed name, it can only be a symbol, because we've already skipped - // it if it's not a well known symbol. In that case, the text of the name will be exactly - // what we want, namely the name expression enclosed in brackets. - writeTextOfNode(currentText, node.name); - // If optional property emit ? - if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && node.parent.kind === 156 /* TypeLiteral */) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.flags & 16 /* Private */)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } - } - } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - if (node.kind === 214 /* VariableDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) { - // TODO(jfreeman): Deal with computed properties in error reporting. - if (node.flags & 64 /* Static */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - // Interfaces cannot have types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } - } - } - function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - // Only select non-omitted expression from the bindingPattern's elements. - // We have to do this to avoid emitting trailing commas. - // For example: - // original: var [, c,,] = [ 2,3,4] - // emitted: declare var c: number; // instead of declare var c:number, ; - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); - } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, /*type*/ undefined, getBindingElementTypeVisibilityError); - } - } - } - } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - // if this is property of type literal, - // or is parameter of method/call/construct/index signature of type literal - // emit only if type is specified - if (node.type) { - write(": "); - emitType(node.type); - } - } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); - } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); - } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); - } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(node); - writeTextOfNode(currentText, node.name); - if (!(node.flags & 16 /* Private */)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - // couldn't get type for the first accessor, try the another one - var anotherAccessor = node.kind === 146 /* GetAccessor */ ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); - } - write(";"); - writeLine(); - } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 146 /* GetAccessor */ - ? accessor.type // Getter - return type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type // Setter parameter type - : undefined; - } - } - function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 147 /* SetAccessor */) { - // Setters have to have type named and cannot infer it so, the type should always be named - if (accessorWithTypeAnnotation.parent.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - // TODO(jfreeman): Investigate why we are passing node.name instead of node.parameters[0].name - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (accessorWithTypeAnnotation.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; - } - } - } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - // If we are emitting Method/Constructor it isn't moduleElement and hence already determined to be emitting - // so no need to verify if the declaration is visible - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 216 /* FunctionDeclaration */) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 144 /* MethodDeclaration */) { - emitClassMemberDeclarationFlags(node); - } - if (node.kind === 216 /* FunctionDeclaration */) { - write("function "); - writeTextOfNode(currentText, node.name); - } - else if (node.kind === 145 /* Constructor */) { - write("constructor"); - } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); - } - } - emitSignatureDeclaration(node); - } - } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - // Construct signature or constructor type write new Signature - if (node.kind === 149 /* ConstructSignature */ || node.kind === 154 /* ConstructorType */) { - write("new "); - } - emitTypeParameters(node.typeParameters); - if (node.kind === 150 /* IndexSignature */) { - write("["); - } - else { - write("("); - } - // Parameters - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 150 /* IndexSignature */) { - write("]"); - } - else { - write(")"); - } - // If this is not a constructor and is not private, emit the return type - var isFunctionTypeOrConstructorType = node.kind === 153 /* FunctionType */ || node.kind === 154 /* ConstructorType */; - if (isFunctionTypeOrConstructorType || node.parent.kind === 156 /* TypeLiteral */) { - // Emit type literal signature return type only if specified - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } - } - else if (node.kind !== 145 /* Constructor */ && !(node.flags & 16 /* Private */)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); - } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); - } - function getReturnTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 149 /* ConstructSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148 /* CallSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 150 /* IndexSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 216 /* FunctionDeclaration */: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; - } - } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - // For bindingPattern, we can't simply writeTextOfNode from the source file - // because we want to omit the initializer and using writeTextOfNode will result in initializer get emitted. - // Therefore, we will have to recursively emit each element in the bindingPattern. - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - } - if (resolver.isOptionalParameter(node)) { - write("?"); - } - decreaseIndent(); - if (node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - node.parent.parent.kind === 156 /* TypeLiteral */) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.parent.flags & 16 /* Private */)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); - } - function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - switch (node.parent.kind) { - case 145 /* Constructor */: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 149 /* ConstructSignature */: - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148 /* CallSignature */: - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.parent.flags & 64 /* Static */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 216 /* FunctionDeclaration */: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); - } - } - function emitBindingPattern(bindingPattern) { - // We have to explicitly emit square bracket and bracket because these tokens are not store inside the node. - if (bindingPattern.kind === 164 /* ObjectBindingPattern */) { - write("{"); - emitCommaList(bindingPattern.elements, emitBindingElement); - write("}"); - } - else if (bindingPattern.kind === 165 /* ArrayBindingPattern */) { - write("["); - var elements = bindingPattern.elements; - emitCommaList(elements, emitBindingElement); - if (elements && elements.hasTrailingComma) { - write(", "); - } - write("]"); - } - } - function emitBindingElement(bindingElement) { - if (bindingElement.kind === 190 /* OmittedExpression */) { - // If bindingElement is an omittedExpression (i.e. containing elision), - // we will emit blank space (although this may differ from users' original code, - // it allows emitSeparatedList to write separator appropriately) - // Example: - // original: function foo([, x, ,]) {} - // emit : function foo([ , x, , ]) {} - write(" "); - } - else if (bindingElement.kind === 166 /* BindingElement */) { - if (bindingElement.propertyName) { - // bindingElement has propertyName property in the following case: - // { y: [a,b,c] ...} -> bindingPattern will have a property called propertyName for "y" - // We have to explicitly emit the propertyName before descending into its binding elements. - // Example: - // original: function foo({y: [a,b,c]}) {} - // emit : declare function foo({y: [a, b, c]}: { y: [any, any, any] }) void; - writeTextOfNode(currentText, bindingElement.propertyName); - write(": "); - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - // If it is a nested binding pattern, we will recursively descend into each element and emit each one separately. - // In the case of rest element, we will omit rest element. - // Example: - // original: function foo([a, [[b]], c] = [1,[["string"]], 3]) {} - // emit : declare function foo([a, [[b]], c]: [number, [[string]], number]): void; - // original with rest: function foo([a, ...c]) {} - // emit : declare function foo([a, ...c]): void; - emitBindingPattern(bindingElement.name); - } - else { - ts.Debug.assert(bindingElement.name.kind === 69 /* Identifier */); - // If the node is just an identifier, we will simply emit the text associated with the node's name - // Example: - // original: function foo({y = 10, x}) {} - // emit : declare function foo({y, x}: {number, any}): void; - if (bindingElement.dotDotDotToken) { - write("..."); - } - writeTextOfNode(currentText, bindingElement.name); - } - } - } - } - } - function emitNode(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 221 /* ModuleDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 218 /* InterfaceDeclaration */: - case 217 /* ClassDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - return emitModuleElement(node, isModuleElementVisible(node)); - case 196 /* VariableStatement */: - return emitModuleElement(node, isVariableStatementVisible(node)); - case 225 /* ImportDeclaration */: - // Import declaration without import clause is visible, otherwise it is not visible - return emitModuleElement(node, /*isModuleElementVisible*/ !node.importClause); - case 231 /* ExportDeclaration */: - return emitExportDeclaration(node); - case 145 /* Constructor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return writeFunctionDeclaration(node); - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 150 /* IndexSignature */: - return emitSignatureDeclarationWithJsDocComments(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return emitAccessorDeclaration(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return emitPropertyDeclaration(node); - case 250 /* EnumMember */: - return emitEnumMemberDeclaration(node); - case 230 /* ExportAssignment */: - return emitExportAssignment(node); - case 251 /* SourceFile */: - return emitSourceFile(node); - } - } - /** - * Adds the reference to referenced file, returns true if global file reference was emitted - * @param referencedFile - * @param addBundledFileReference Determines if global file reference corresponding to bundled file should be emitted or not - */ - function writeReferencePath(referencedFile, addBundledFileReference) { - var declFileName; - var addedBundledEmitReference = false; - if (ts.isDeclarationFile(referencedFile)) { - // Declaration file, use declaration file name - declFileName = referencedFile.fileName; - } - else { - // Get the declaration file path - ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); - } - if (declFileName) { - declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ false); - referencePathsOutput += "/// " + newLine; - } - return addedBundledEmitReference; - function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { - // Dont add reference path to this file if it is a bundled emit and caller asked not emit bundled file path - if (isBundledEmit && !addBundledFileReference) { - return; - } - ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); - declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; - addedBundledEmitReference = isBundledEmit; - } - } - } - /* @internal */ - function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { - var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); - var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; - if (!emitSkipped) { - var declarationOutput = emitDeclarationResult.referencePathsOutput - + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); - ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); - } - return emitSkipped; - function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { - var appliedSyncOutputPos = 0; - var declarationOutput = ""; - // apply asynchronous additions to the synchronous output - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.asynchronousOutput) { - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); - declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); - appliedSyncOutputPos = aliasEmitInfo.outputPos; - } - }); - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); - return declarationOutput; - } - } - ts.writeDeclarationFile = writeDeclarationFile; -})(ts || (ts = {})); -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - function getResolvedExternalModuleName(host, file) { - return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); - } - ts.getResolvedExternalModuleName = getResolvedExternalModuleName; - function getExternalModuleNameFromDeclaration(host, resolver, declaration) { - var file = resolver.getExternalModuleFileFromDeclaration(declaration); - if (!file || ts.isDeclarationFile(file)) { - return undefined; - } - return getResolvedExternalModuleName(host, file); - } - ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - 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"minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }; - // Flags enum to track count of temp variables and a few dedicated names - var TempFlags; - (function (TempFlags) { - TempFlags[TempFlags["Auto"] = 0] = "Auto"; - TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; - TempFlags[TempFlags["_i"] = 268435456] = "_i"; - })(TempFlags || (TempFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature - function emitFiles(resolver, host, targetSourceFile) { - // emit output for the __extends helper function - var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; - // emit output for the __decorate helper function - var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; - // emit output for the __metadata helper function - var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; - // emit output for the __param helper function - var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; - var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var modulekind = ts.getEmitModuleKind(compilerOptions); - var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; - var emitterDiagnostics = ts.createDiagnosticCollection(); - var emitSkipped = false; - var newLine = host.getNewLine(); - var emitJavaScript = createFileEmitter(); - ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); - return { - emitSkipped: emitSkipped, - diagnostics: emitterDiagnostics.getDiagnostics(), - sourceMaps: sourceMapDataList - }; - function isUniqueLocalName(name, container) { - for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { - if (node.locals && ts.hasProperty(node.locals, name)) { - // We conservatively include alias symbols to cover cases where they're emitted as locals - if (node.locals[name].flags & (107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */)) { - return false; - } - } - } - return true; - } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = {}; - } - state.labeledNonLocalBreaks[labelText] = labelMarker; - } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = {}; - } - state.labeledNonLocalContinues[labelText] = labelMarker; - } - } - function hoistVariableDeclarationFromLoop(state, declaration) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(declaration.name); - function visit(node) { - if (node.kind === 69 /* Identifier */) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { - var element = _b[_a]; - visit(element.name); - } - } - } - } - function createFileEmitter() { - var writer = ts.createTextWriter(newLine); - var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; - var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); - var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; - var currentSourceFile; - var currentText; - var currentLineMap; - var currentFileIdentifiers; - var renamedDependencies; - var isEs6Module; - var isCurrentFileExternalModule; - // name of an exporter function if file is a System external module - // System.register([...], function () {...}) - // exporting in System modules looks like: - // export var x; ... x = 1 - // => - // var x;... exporter("x", x = 1) - var exportFunctionForFile; - var contextObjectForFile; - var generatedNameSet; - var nodeToGeneratedName; - var computedPropertyNamesToGeneratedNames; - var decoratedClassAliases; - var convertedLoopState; - var extendsEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var tempFlags = 0; - var tempVariables; - var tempParameters; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var detachedCommentsInfo; - /** Sourcemap data that will get encoded */ - var sourceMapData; - /** Is the file being emitted into its own file */ - var isOwnFileEmit; - /** If removeComments is true, no leading-comments needed to be emitted **/ - var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; - var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; - var moduleEmitDelegates = (_a = {}, - _a[5 /* ES6 */] = emitES6Module, - _a[2 /* AMD */] = emitAMDModule, - _a[4 /* System */] = emitSystemModule, - _a[3 /* UMD */] = emitUMDModule, - _a[1 /* CommonJS */] = emitCommonJSModule, - _a - ); - var bundleEmitDelegates = (_b = {}, - _b[5 /* ES6 */] = function () { }, - _b[2 /* AMD */] = emitAMDModule, - _b[4 /* System */] = emitSystemModule, - _b[3 /* UMD */] = function () { }, - _b[1 /* CommonJS */] = function () { }, - _b - ); - return doEmit; - function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - generatedNameSet = {}; - nodeToGeneratedName = []; - decoratedClassAliases = []; - isOwnFileEmit = !isBundledEmit; - // Emit helpers from all the files - if (isBundledEmit && modulekind) { - ts.forEach(sourceFiles, emitEmitHelpers); - } - // Do not call emit directly. It does not set the currentSourceFile. - ts.forEach(sourceFiles, emitSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# sourceMappingURL=" + sourceMappingURL); - } - writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, /*writeByteOrderMark*/ compilerOptions.emitBOM); - // reset the state - sourceMap.reset(); - writer.reset(); - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - generatedNameSet = undefined; - nodeToGeneratedName = undefined; - decoratedClassAliases = undefined; - computedPropertyNamesToGeneratedNames = undefined; - convertedLoopState = undefined; - extendsEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = undefined; - detachedCommentsInfo = undefined; - sourceMapData = undefined; - isEs6Module = false; - renamedDependencies = undefined; - isCurrentFileExternalModule = false; - } - function emitSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = sourceFile.text; - currentLineMap = ts.getLineStarts(sourceFile); - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; - renamedDependencies = sourceFile.renamedDependencies; - currentFileIdentifiers = sourceFile.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(sourceFile); - setSourceFile(sourceFile); - emitNodeWithCommentsAndWithoutSourcemap(sourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - // Return the next available name in the pattern _a ... _z, _0, _1, ... - // TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name. - // Note that names generated by makeTempVariableName and makeUniqueName will never conflict. - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_22 = flags === 268435456 /* _i */ ? "_i" : "_n"; - if (isUniqueName(name_22)) { - tempFlags |= flags; - return name_22; - } - } - while (true) { - var count = tempFlags & 268435455 /* CountMask */; - tempFlags++; - // Skip over 'i' and 'n' - if (count !== 8 && count !== 13) { - var name_23 = count < 26 ? "_" + String.fromCharCode(97 /* a */ + count) : "_" + (count - 26); - if (isUniqueName(name_23)) { - return name_23; - } - } - } - } - // Generate a name that is unique within the current file and doesn't conflict with any names - // in global scope. The name is formed by adding an '_n' suffix to the specified base name, - // where n is a positive integer. Note that names generated by makeTempVariableName and - // makeUniqueName are guaranteed to never conflict. - function makeUniqueName(baseName) { - // Find the first unique 'name_n', where n is a positive number - if (baseName.charCodeAt(baseName.length - 1) !== 95 /* _ */) { - baseName += "_"; - } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; - } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = node.name.text; - // Use module/enum name itself if it is unique, otherwise make a unique variation - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 /* StringLiteral */ ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 69 /* Identifier */: - return makeUniqueName(node.text); - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - return generateNameForModuleOrEnum(node); - case 225 /* ImportDeclaration */: - case 231 /* ExportDeclaration */: - return generateNameForImportOrExportDeclaration(node); - case 216 /* FunctionDeclaration */: - case 217 /* ClassDeclaration */: - case 230 /* ExportAssignment */: - return generateNameForExportDefault(); - case 189 /* ClassExpression */: - return generateNameForClassExpression(); - } - } - function getGeneratedNameForNode(node) { - var id = ts.getNodeId(node); - return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); - } - /** Write emitted output to disk */ - function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), /*writeByteOrderMark*/ false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); - } - // Create a temporary variable with a unique unused name. - function createTempVariable(flags) { - var result = ts.createSynthesizedNode(69 /* Identifier */); - result.text = makeTempVariableName(flags); - return result; - } - function recordTempDeclaration(name) { - if (!tempVariables) { - tempVariables = []; - } - tempVariables.push(name); - } - function createAndRecordTempVariable(flags) { - var temp = createTempVariable(flags); - recordTempDeclaration(temp); - return temp; - } - function emitTempDeclarations(newLine) { - if (tempVariables) { - if (newLine) { - writeLine(); - } - else { - write(" "); - } - write("var "); - emitCommaList(tempVariables); - write(";"); - } - } - /** Emit the text for the given token that comes after startPos - * This by default writes the text provided with the given tokenKind - * but if optional emitFn callback is provided the text is emitted using the callback instead of default text - * @param tokenKind the kind of the token to search and emit - * @param startPos the position in the source to start searching for the token - * @param emitFn if given will be invoked to emit the text instead of actual token emit */ - function emitToken(tokenKind, startPos, emitFn) { - var tokenStartPos = ts.skipTrivia(currentText, startPos); - emitPos(tokenStartPos); - var tokenString = ts.tokenToString(tokenKind); - if (emitFn) { - emitFn(); - } - else { - write(tokenString); - } - var tokenEndPos = tokenStartPos + tokenString.length; - emitPos(tokenEndPos); - return tokenEndPos; - } - function emitOptional(prefix, node) { - if (node) { - write(prefix); - emit(node); - } - } - function emitParenthesizedIf(node, parenthesized) { - if (parenthesized) { - write("("); - } - emit(node); - if (parenthesized) { - write(")"); - } - } - function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { - ts.Debug.assert(nodes.length > 0); - increaseIndent(); - if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - for (var i = 0, n = nodes.length; i < n; i++) { - if (i) { - if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { - write(", "); - } - else { - write(","); - writeLine(); - } - } - emit(nodes[i]); - } - if (nodes.hasTrailingComma && allowTrailingComma) { - write(","); - } - decreaseIndent(); - if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - } - function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { - if (!emitNode) { - emitNode = emit; - } - for (var i = 0; i < count; i++) { - if (multiLine) { - if (i || leadingComma) { - write(","); - } - writeLine(); - } - else { - if (i || leadingComma) { - write(", "); - } - } - var node = nodes[start + i]; - // This emitting is to make sure we emit following comment properly - // ...(x, /*comment1*/ y)... - // ^ => node.pos - // "comment1" is not considered leading comment for "y" but rather - // considered as trailing comment of the previous node. - emitTrailingCommentsOfPosition(node.pos); - emitNode(node); - leadingComma = true; - } - if (trailingComma) { - write(","); - } - if (multiLine && !noTrailingNewLine) { - writeLine(); - } - return count; - } - function emitCommaList(nodes) { - if (nodes) { - emitList(nodes, 0, nodes.length, /*multiLine*/ false, /*trailingComma*/ false); - } - } - function emitLines(nodes) { - emitLinesStartingAt(nodes, /*startIndex*/ 0); - } - function emitLinesStartingAt(nodes, startIndex) { - for (var i = startIndex; i < nodes.length; i++) { - writeLine(); - emit(nodes[i]); - } - } - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 /* NumericLiteral */ && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98 /* b */: - case 66 /* B */: - case 111 /* o */: - case 79 /* O */: - return true; - } - } - return false; - } - function emitLiteral(node) { - var text = getLiteralText(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); - } - else if (languageVersion < 2 /* ES6 */ && isBinaryOrOctalIntegerLiteral(node, text)) { - write(node.text); - } - else { - write(text); - } - } - function getLiteralText(node) { - // Any template literal or string literal with an extended escape - // (e.g. "\u{0067}") will need to be downleveled as a escaped string literal. - if (languageVersion < 2 /* ES6 */ && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText("\"", node.text, "\""); - } - // If we don't need to downlevel and we can reach the original source text using - // the node's parent reference, then simply get the text as it was originally written. - if (node.parent) { - return ts.getTextOfNodeFromSourceText(currentText, node); - } - // If we can't reach the original source text, use the canonical form if it's a number, - // or an escaped quoted form of the original text if it's string-like. - switch (node.kind) { - case 9 /* StringLiteral */: - return getQuotedEscapedLiteralText("\"", node.text, "\""); - case 11 /* NoSubstitutionTemplateLiteral */: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 12 /* TemplateHead */: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 13 /* TemplateMiddle */: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 14 /* TemplateTail */: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8 /* NumericLiteral */: - return node.text; - } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; - } - function emitDownlevelRawTemplateLiteral(node) { - // Find original source text, since we need to emit the raw strings of the tagged template. - // The raw strings contain the (escaped) strings of what the user wrote. - // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". - var text = ts.getTextOfNodeFromSourceText(currentText, node); - // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), - // thus we need to remove those characters. - // First template piece starts with "`", others with "}" - // Last template piece ends with "`", others with "${" - var isLast = node.kind === 11 /* NoSubstitutionTemplateLiteral */ || node.kind === 14 /* TemplateTail */; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - // Newline normalization: - // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's - // and LineTerminatorSequences are normalized to for both TV and TRV. - text = text.replace(/\r\n?/g, "\n"); - text = ts.escapeString(text); - write("\"" + text + "\""); - } - function emitDownlevelTaggedTemplateArray(node, literalEmitter) { - write("["); - if (node.template.kind === 11 /* NoSubstitutionTemplateLiteral */) { - literalEmitter(node.template); - } - else { - literalEmitter(node.template.head); - ts.forEach(node.template.templateSpans, function (child) { - write(", "); - literalEmitter(child.literal); - }); - } - write("]"); - } - function emitDownlevelTaggedTemplate(node) { - var tempVariable = createAndRecordTempVariable(0 /* Auto */); - write("("); - emit(tempVariable); - write(" = "); - emitDownlevelTaggedTemplateArray(node, emit); - write(", "); - emit(tempVariable); - write(".raw = "); - emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); - write(", "); - emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); - write("("); - emit(tempVariable); - // Now we emit the expressions - if (node.template.kind === 186 /* TemplateExpression */) { - ts.forEach(node.template.templateSpans, function (templateSpan) { - write(", "); - var needsParens = templateSpan.expression.kind === 184 /* BinaryExpression */ - && templateSpan.expression.operatorToken.kind === 24 /* CommaToken */; - emitParenthesizedIf(templateSpan.expression, needsParens); - }); - } - write("))"); - } - function emitTemplateExpression(node) { - // In ES6 mode and above, we can simply emit each portion of a template in order, but in - // ES3 & ES5 we must convert the template expression into a series of string concatenations. - if (languageVersion >= 2 /* ES6 */) { - ts.forEachChild(node, emit); - return; - } - var emitOuterParens = ts.isExpression(node.parent) - && templateNeedsParens(node, node.parent); - if (emitOuterParens) { - write("("); - } - var headEmitted = false; - if (shouldEmitTemplateHead()) { - emitLiteral(node.head); - headEmitted = true; - } - for (var i = 0, n = node.templateSpans.length; i < n; i++) { - var templateSpan = node.templateSpans[i]; - // Check if the expression has operands and binds its operands less closely than binary '+'. - // If it does, we need to wrap the expression in parentheses. Otherwise, something like - // `abc${ 1 << 2 }` - // becomes - // "abc" + 1 << 2 + "" - // which is really - // ("abc" + 1) << (2 + "") - // rather than - // "abc" + (1 << 2) + "" - var needsParens = templateSpan.expression.kind !== 175 /* ParenthesizedExpression */ - && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1 /* GreaterThan */; - if (i > 0 || headEmitted) { - // If this is the first span and the head was not emitted, then this templateSpan's - // expression will be the first to be emitted. Don't emit the preceding ' + ' in that - // case. - write(" + "); - } - emitParenthesizedIf(templateSpan.expression, needsParens); - // Only emit if the literal is non-empty. - // The binary '+' operator is left-associative, so the first string concatenation - // with the head will force the result up to this point to be a string. - // Emitting a '+ ""' has no semantic effect for middles and tails. - if (templateSpan.literal.text.length !== 0) { - write(" + "); - emitLiteral(templateSpan.literal); - } - } - if (emitOuterParens) { - write(")"); - } - function shouldEmitTemplateHead() { - // If this expression has an empty head literal and the first template span has a non-empty - // literal, then emitting the empty head literal is not necessary. - // `${ foo } and ${ bar }` - // can be emitted as - // foo + " and " + bar - // This is because it is only required that one of the first two operands in the emit - // output must be a string literal, so that the other operand and all following operands - // are forced into strings. - // - // If the first template span has an empty literal, then the head must still be emitted. - // `${ foo }${ bar }` - // must still be emitted as - // "" + foo + bar - // There is always atleast one templateSpan in this code path, since - // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - function templateNeedsParens(template, parent) { - switch (parent.kind) { - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return parent.expression === template; - case 173 /* TaggedTemplateExpression */: - case 175 /* ParenthesizedExpression */: - return false; - default: - return comparePrecedenceToBinaryPlus(parent) !== -1 /* LessThan */; - } - } - /** - * Returns whether the expression has lesser, greater, - * or equal precedence to the binary '+' operator - */ - function comparePrecedenceToBinaryPlus(expression) { - // All binary expressions have lower precedence than '+' apart from '*', '/', and '%' - // which have greater precedence and '-' which has equal precedence. - // All unary operators have a higher precedence apart from yield. - // Arrow functions and conditionals have a lower precedence, - // although we convert the former into regular function expressions in ES5 mode, - // and in ES6 mode this function won't get called anyway. - // - // TODO (drosen): Note that we need to account for the upcoming 'yield' and - // spread ('...') unary operators that are anticipated for ES6. - switch (expression.kind) { - case 184 /* BinaryExpression */: - switch (expression.operatorToken.kind) { - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - return 1 /* GreaterThan */; - case 35 /* PlusToken */: - case 36 /* MinusToken */: - return 0 /* EqualTo */; - default: - return -1 /* LessThan */; - } - case 187 /* YieldExpression */: - case 185 /* ConditionalExpression */: - return -1 /* LessThan */; - default: - return 1 /* GreaterThan */; - } - } - } - function emitTemplateSpan(span) { - emit(span.expression); - emit(span.literal); - } - function jsxEmitReact(node) { - /// Emit a tag name, which is either '"div"' for lower-cased names, or - /// 'Div' for upper-cased or dotted names - function emitTagName(name) { - if (name.kind === 69 /* Identifier */ && ts.isIntrinsicJsxName(name.text)) { - write("\""); - emit(name); - write("\""); - } - else { - emit(name); - } - } - /// Emit an attribute name, which is quoted if it needs to be quoted. Because - /// these emit into an object literal property name, we don't need to be worried - /// about keywords, just non-identifier characters - function emitAttributeName(name) { - if (/^[A-Za-z_]\w*$/.test(name.text)) { - emit(name); - } - else { - write("\""); - emit(name); - write("\""); - } - } - /// Emit an name/value pair for an attribute (e.g. "x: 3") - function emitJsxAttribute(node) { - emitAttributeName(node.name); - write(": "); - if (node.initializer) { - emit(node.initializer); - } - else { - write("true"); - } - } - function emitJsxElement(openingNode, children) { - var syntheticReactRef = ts.createSynthesizedNode(69 /* Identifier */); - syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - syntheticReactRef.parent = openingNode; - // Call React.createElement(tag, ... - emitLeadingComments(openingNode); - emitExpressionIdentifier(syntheticReactRef); - write(".createElement("); - emitTagName(openingNode.tagName); - write(", "); - // Attribute list - if (openingNode.attributes.length === 0) { - // When there are no attributes, React wants "null" - write("null"); - } - else { - // Either emit one big object literal (no spread attribs), or - // a call to React.__spread - var attrs = openingNode.attributes; - if (ts.forEach(attrs, function (attr) { return attr.kind === 242 /* JsxSpreadAttribute */; })) { - emitExpressionIdentifier(syntheticReactRef); - write(".__spread("); - var haveOpenedObjectLiteral = false; - for (var i = 0; i < attrs.length; i++) { - if (attrs[i].kind === 242 /* JsxSpreadAttribute */) { - // If this is the first argument, we need to emit a {} as the first argument - if (i === 0) { - write("{}, "); - } - if (haveOpenedObjectLiteral) { - write("}"); - haveOpenedObjectLiteral = false; - } - if (i > 0) { - write(", "); - } - emit(attrs[i].expression); - } - else { - ts.Debug.assert(attrs[i].kind === 241 /* JsxAttribute */); - if (haveOpenedObjectLiteral) { - write(", "); - } - else { - haveOpenedObjectLiteral = true; - if (i > 0) { - write(", "); - } - write("{"); - } - emitJsxAttribute(attrs[i]); - } - } - if (haveOpenedObjectLiteral) - write("}"); - write(")"); // closing paren to React.__spread( - } - else { - // One object literal with all the attributes in them - write("{"); - for (var i = 0, n = attrs.length; i < n; i++) { - if (i > 0) { - write(", "); - } - emitJsxAttribute(attrs[i]); - } - write("}"); - } - } - // Children - if (children) { - for (var i = 0; i < children.length; i++) { - // Don't emit empty expressions - if (children[i].kind === 243 /* JsxExpression */ && !(children[i].expression)) { - continue; - } - // Don't emit empty strings - if (children[i].kind === 239 /* JsxText */) { - var text = getTextToEmit(children[i]); - if (text !== undefined) { - write(", \""); - write(text); - write("\""); - } - } - else { - write(", "); - emit(children[i]); - } - } - } - // Closing paren - write(")"); // closes "React.createElement(" - emitTrailingComments(openingNode); - } - if (node.kind === 236 /* JsxElement */) { - emitJsxElement(node.openingElement, node.children); - } - else { - ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); - emitJsxElement(node); - } - } - function jsxEmitPreserve(node) { - function emitJsxAttribute(node) { - emit(node.name); - if (node.initializer) { - write("="); - emit(node.initializer); - } - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emit(node.expression); - write("}"); - } - function emitAttributes(attribs) { - for (var i = 0, n = attribs.length; i < n; i++) { - if (i > 0) { - write(" "); - } - if (attribs[i].kind === 242 /* JsxSpreadAttribute */) { - emitJsxSpreadAttribute(attribs[i]); - } - else { - ts.Debug.assert(attribs[i].kind === 241 /* JsxAttribute */); - emitJsxAttribute(attribs[i]); - } - } - } - function emitJsxOpeningOrSelfClosingElement(node) { - write("<"); - emit(node.tagName); - if (node.attributes.length > 0 || (node.kind === 237 /* JsxSelfClosingElement */)) { - write(" "); - } - emitAttributes(node.attributes); - if (node.kind === 237 /* JsxSelfClosingElement */) { - write("/>"); - } - else { - write(">"); - } - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxElement(node) { - emitJsxOpeningOrSelfClosingElement(node.openingElement); - for (var i = 0, n = node.children.length; i < n; i++) { - emit(node.children[i]); - } - emitJsxClosingElement(node.closingElement); - } - if (node.kind === 236 /* JsxElement */) { - emitJsxElement(node); - } - else { - ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); - emitJsxOpeningOrSelfClosingElement(node); - } - } - // This function specifically handles numeric/string literals for enum and accessor 'identifiers'. - // In a sense, it does not actually emit identifiers as much as it declares a name for a specific property. - // For example, this is utilized when feeding in a result to Object.defineProperty. - function emitExpressionForPropertyName(node) { - ts.Debug.assert(node.kind !== 166 /* BindingElement */); - if (node.kind === 9 /* StringLiteral */) { - emitLiteral(node); - } - else if (node.kind === 137 /* ComputedPropertyName */) { - // if this is a decorated computed property, we will need to capture the result - // of the property expression so that we can apply decorators later. This is to ensure - // we don't introduce unintended side effects: - // - // class C { - // [_a = x]() { } - // } - // - // The emit for the decorated computed property decorator is: - // - // __decorate([dec], C.prototype, _a, Object.getOwnPropertyDescriptor(C.prototype, _a)); - // - if (ts.nodeIsDecorated(node.parent)) { - if (!computedPropertyNamesToGeneratedNames) { - computedPropertyNamesToGeneratedNames = []; - } - var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; - if (generatedName) { - // we have already generated a variable for this node, write that value instead. - write(generatedName); - return; - } - generatedName = createAndRecordTempVariable(0 /* Auto */).text; - computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; - write(generatedName); - write(" = "); - } - emit(node.expression); - } - else { - write("\""); - if (node.kind === 8 /* NumericLiteral */) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - write("\""); - } - } - function isExpressionIdentifier(node) { - var parent = node.parent; - switch (parent.kind) { - case 167 /* ArrayLiteralExpression */: - case 192 /* AsExpression */: - case 184 /* BinaryExpression */: - case 171 /* CallExpression */: - case 244 /* CaseClause */: - case 137 /* ComputedPropertyName */: - case 185 /* ConditionalExpression */: - case 140 /* Decorator */: - case 178 /* DeleteExpression */: - case 200 /* DoStatement */: - case 170 /* ElementAccessExpression */: - case 230 /* ExportAssignment */: - case 198 /* ExpressionStatement */: - case 191 /* ExpressionWithTypeArguments */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 199 /* IfStatement */: - case 240 /* JsxClosingElement */: - case 237 /* JsxSelfClosingElement */: - case 238 /* JsxOpeningElement */: - case 242 /* JsxSpreadAttribute */: - case 243 /* JsxExpression */: - case 172 /* NewExpression */: - case 175 /* ParenthesizedExpression */: - case 183 /* PostfixUnaryExpression */: - case 182 /* PrefixUnaryExpression */: - case 207 /* ReturnStatement */: - case 249 /* ShorthandPropertyAssignment */: - case 188 /* SpreadElementExpression */: - case 209 /* SwitchStatement */: - case 173 /* TaggedTemplateExpression */: - case 193 /* TemplateSpan */: - case 211 /* ThrowStatement */: - case 174 /* TypeAssertionExpression */: - case 179 /* TypeOfExpression */: - case 180 /* VoidExpression */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 187 /* YieldExpression */: - return true; - case 166 /* BindingElement */: - case 250 /* EnumMember */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 214 /* VariableDeclaration */: - return parent.initializer === node; - case 169 /* PropertyAccessExpression */: - return parent.expression === node; - case 177 /* ArrowFunction */: - case 176 /* FunctionExpression */: - return parent.body === node; - case 224 /* ImportEqualsDeclaration */: - return parent.moduleReference === node; - case 136 /* QualifiedName */: - return parent.left === node; - } - return false; - } - function emitExpressionIdentifier(node) { - var container = resolver.getReferencedExportContainer(node); - if (container) { - if (container.kind === 251 /* SourceFile */) { - // Identifier references module export - if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { - write("exports."); - } - } - else { - // Identifier references namespace export - write(getGeneratedNameForNode(container)); - write("."); - } - } - else { - if (modulekind !== 5 /* ES6 */) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (declaration.kind === 226 /* ImportClause */) { - // Identifier references default import - write(getGeneratedNameForNode(declaration.parent)); - write(languageVersion === 0 /* ES3 */ ? "[\"default\"]" : ".default"); - return; - } - else if (declaration.kind === 229 /* ImportSpecifier */) { - // Identifier references named import - write(getGeneratedNameForNode(declaration.parent.parent.parent)); - var name_24 = declaration.propertyName || declaration.name; - var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); - if (languageVersion === 0 /* ES3 */ && identifier === "default") { - write("[\"default\"]"); - } - else { - write("."); - write(identifier); - } - return; - } - } - } - if (languageVersion < 2 /* ES6 */) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - write(getGeneratedNameForNode(declaration.name)); - return; - } - } - else if (resolver.getNodeCheckFlags(node) & 1048576 /* BodyScopedClassBinding */) { - // Due to the emit for class decorators, any reference to the class from inside of the class body - // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind - // behavior of class names in ES6. - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; - if (classAlias !== undefined) { - write(classAlias); - return; - } - } - } - } - if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { - if (languageVersion < 2 /* ES6 */) { - var parent_8 = node.parent; - switch (parent_8.kind) { - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 214 /* VariableDeclaration */: - return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); - } - } - return false; - } - function emitIdentifier(node) { - if (convertedLoopState) { - if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { - // in converted loop body arguments cannot be used directly. - var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); - write(name_25); - return; - } - } - if (!node.parent) { - write(node.text); - } - else if (isExpressionIdentifier(node)) { - emitExpressionIdentifier(node); - } - else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { - write(getGeneratedNameForNode(node)); - } - else if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function emitThis(node) { - if (resolver.getNodeCheckFlags(node) & 2 /* LexicalThis */) { - write("_this"); - } - else if (convertedLoopState) { - write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); - } - else { - write("this"); - } - } - function emitSuper(node) { - if (languageVersion >= 2 /* ES6 */) { - write("super"); - } - else { - var flags = resolver.getNodeCheckFlags(node); - if (flags & 256 /* SuperInstance */) { - write("_super.prototype"); - } - else { - write("_super"); - } - } - } - function emitObjectBindingPattern(node) { - write("{ "); - var elements = node.elements; - emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); - write(" }"); - } - function emitArrayBindingPattern(node) { - write("["); - var elements = node.elements; - emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); - write("]"); - } - function emitBindingElement(node) { - if (node.propertyName) { - emit(node.propertyName); - write(": "); - } - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emit(node.name); - } - else { - emitModuleMemberName(node); - } - emitOptional(" = ", node.initializer); - } - function emitSpreadElementExpression(node) { - write("..."); - emit(node.expression); - } - function emitYieldExpression(node) { - write(ts.tokenToString(114 /* YieldKeyword */)); - if (node.asteriskToken) { - write("*"); - } - if (node.expression) { - write(" "); - emit(node.expression); - } - } - function emitAwaitExpression(node) { - var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); - if (needsParenthesis) { - write("("); - } - write(ts.tokenToString(114 /* YieldKeyword */)); - write(" "); - emit(node.expression); - if (needsParenthesis) { - write(")"); - } - } - function needsParenthesisForAwaitExpressionAsYield(node) { - if (node.parent.kind === 184 /* BinaryExpression */ && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { - return true; - } - else if (node.parent.kind === 185 /* ConditionalExpression */ && node.parent.condition === node) { - return true; - } - return false; - } - function needsParenthesisForPropertyAccessOrInvocation(node) { - switch (node.kind) { - case 69 /* Identifier */: - case 167 /* ArrayLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 175 /* ParenthesizedExpression */: - // This list is not exhaustive and only includes those cases that are relevant - // to the check in emitArrayLiteral. More cases can be added as needed. - return false; - } - return true; - } - function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { - var pos = 0; - var group = 0; - var length = elements.length; - while (pos < length) { - // Emit using the pattern .concat(, , ...) - if (group === 1 && useConcat) { - write(".concat("); - } - else if (group > 0) { - write(", "); - } - var e = elements[pos]; - if (e.kind === 188 /* SpreadElementExpression */) { - e = e.expression; - emitParenthesizedIf(e, /*parenthesized*/ group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); - pos++; - if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167 /* ArrayLiteralExpression */) { - write(".slice()"); - } - } - else { - var i = pos; - while (i < length && elements[i].kind !== 188 /* SpreadElementExpression */) { - i++; - } - write("["); - if (multiLine) { - increaseIndent(); - } - emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); - if (multiLine) { - decreaseIndent(); - } - write("]"); - pos = i; - } - group++; - } - if (group > 1) { - if (useConcat) { - write(")"); - } - } - } - function isSpreadElementExpression(node) { - return node.kind === 188 /* SpreadElementExpression */; - } - function emitArrayLiteral(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); - } - else if (languageVersion >= 2 /* ES6 */ || !ts.forEach(elements, isSpreadElementExpression)) { - write("["); - emitLinePreservingList(node, node.elements, elements.hasTrailingComma, /*spacesBetweenBraces*/ false); - write("]"); - } - else { - emitListWithSpread(elements, /*needsUniqueCopy*/ true, /*multiLine*/ (node.flags & 1024 /* MultiLine */) !== 0, - /*trailingComma*/ elements.hasTrailingComma, /*useConcat*/ true); - } - } - function emitObjectLiteralBody(node, numElements) { - if (numElements === 0) { - write("{}"); - return; - } - write("{"); - if (numElements > 0) { - var properties = node.properties; - // If we are not doing a downlevel transformation for object literals, - // then try to preserve the original shape of the object literal. - // Otherwise just try to preserve the formatting. - if (numElements === properties.length) { - emitLinePreservingList(node, properties, /*allowTrailingComma*/ languageVersion >= 1 /* ES5 */, /*spacesBetweenBraces*/ true); - } - else { - var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; - if (!multiLine) { - write(" "); - } - else { - increaseIndent(); - } - emitList(properties, 0, numElements, /*multiLine*/ multiLine, /*trailingComma*/ false); - if (!multiLine) { - write(" "); - } - else { - decreaseIndent(); - } - } - } - write("}"); - } - function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { - var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; - var properties = node.properties; - write("("); - if (multiLine) { - increaseIndent(); - } - // For computed properties, we need to create a unique handle to the object - // literal so we can modify it without risking internal assignments tainting the object. - var tempVar = createAndRecordTempVariable(0 /* Auto */); - // Write out the first non-computed properties - // (or all properties if none of them are computed), - // then emit the rest through indexing on the temp variable. - emit(tempVar); - write(" = "); - emitObjectLiteralBody(node, firstComputedPropertyIndex); - for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { - writeComma(); - var property = properties[i]; - emitStart(property); - if (property.kind === 146 /* GetAccessor */ || property.kind === 147 /* SetAccessor */) { - // TODO (drosen): Reconcile with 'emitMemberFunctions'. - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property !== accessors.firstAccessor) { - continue; - } - write("Object.defineProperty("); - emit(tempVar); - write(", "); - emitStart(node.name); - emitExpressionForPropertyName(property.name); - emitEnd(property.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("})"); - emitEnd(property); - } - else { - emitLeadingComments(property); - emitStart(property.name); - emit(tempVar); - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - if (property.kind === 248 /* PropertyAssignment */) { - emit(property.initializer); - } - else if (property.kind === 249 /* ShorthandPropertyAssignment */) { - emitExpressionIdentifier(property.name); - } - else if (property.kind === 144 /* MethodDeclaration */) { - emitFunctionDeclaration(property); - } - else { - ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); - } - } - emitEnd(property); - } - writeComma(); - emit(tempVar); - if (multiLine) { - decreaseIndent(); - writeLine(); - } - write(")"); - function writeComma() { - if (multiLine) { - write(","); - writeLine(); - } - else { - write(", "); - } - } - } - function emitObjectLiteral(node) { - var properties = node.properties; - if (languageVersion < 2 /* ES6 */) { - var numProperties = properties.length; - // Find the first computed property. - // Everything until that point can be emitted as part of the initial object literal. - var numInitialNonComputedProperties = numProperties; - for (var i = 0, n = properties.length; i < n; i++) { - if (properties[i].name.kind === 137 /* ComputedPropertyName */) { - numInitialNonComputedProperties = i; - break; - } - } - var hasComputedProperty = numInitialNonComputedProperties !== properties.length; - if (hasComputedProperty) { - emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); - return; - } - } - // Ordinary case: either the object has no computed properties - // or we're compiling with an ES6+ target. - emitObjectLiteralBody(node, properties.length); - } - function createBinaryExpression(left, operator, right, startsOnNewLine) { - var result = ts.createSynthesizedNode(184 /* BinaryExpression */, startsOnNewLine); - result.operatorToken = ts.createSynthesizedNode(operator); - result.left = left; - result.right = right; - return result; - } - function createPropertyAccessExpression(expression, name) { - var result = ts.createSynthesizedNode(169 /* PropertyAccessExpression */); - result.expression = parenthesizeForAccess(expression); - result.dotToken = ts.createSynthesizedNode(21 /* DotToken */); - result.name = name; - return result; - } - function createElementAccessExpression(expression, argumentExpression) { - var result = ts.createSynthesizedNode(170 /* ElementAccessExpression */); - result.expression = parenthesizeForAccess(expression); - result.argumentExpression = argumentExpression; - return result; - } - function parenthesizeForAccess(expr) { - // When diagnosing whether the expression needs parentheses, the decision should be based - // on the innermost expression in a chain of nested type assertions. - while (expr.kind === 174 /* TypeAssertionExpression */ || expr.kind === 192 /* AsExpression */) { - expr = expr.expression; - } - // isLeftHandSideExpression is almost the correct criterion for when it is not necessary - // to parenthesize the expression before a dot. The known exceptions are: - // - // NewExpression: - // new C.x -> not the same as (new C).x - // NumberLiteral - // 1.x -> not the same as (1).x - // - if (ts.isLeftHandSideExpression(expr) && - expr.kind !== 172 /* NewExpression */ && - expr.kind !== 8 /* NumericLiteral */) { - return expr; - } - var node = ts.createSynthesizedNode(175 /* ParenthesizedExpression */); - node.expression = expr; - return node; - } - function emitComputedPropertyName(node) { - write("["); - emitExpressionForPropertyName(node); - write("]"); - } - function emitMethod(node) { - if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { - write("*"); - } - emit(node.name); - if (languageVersion < 2 /* ES6 */) { - write(": function "); - } - emitSignatureAndBody(node); - } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - // This is to ensure that we emit comment in the following case: - // For example: - // obj = { - // id: /*comment1*/ ()=>void - // } - // "comment1" is not considered to be leading comment for node.initializer - // but rather a trailing comment on the previous node. - emitTrailingCommentsOfPosition(node.initializer.pos); - emit(node.initializer); - } - // Return true if identifier resolves to an exported member of a namespace - function isNamespaceExportReference(node) { - var container = resolver.getReferencedExportContainer(node); - return container && container.kind !== 251 /* SourceFile */; - } - function emitShorthandPropertyAssignment(node) { - // The name property of a short-hand property assignment is considered an expression position, so here - // we manually emit the identifier to avoid rewriting. - writeTextOfNode(currentText, node.name); - // If emitting pre-ES6 code, or if the name requires rewriting when resolved as an expression identifier, - // we emit a normal property assignment. For example: - // module m { - // export let y; - // } - // module m { - // let obj = { y }; - // } - // Here we need to emit obj = { y : m.y } regardless of the output target. - if (modulekind !== 5 /* ES6 */ || isNamespaceExportReference(node.name)) { - // Emit identifier as an identifier - write(": "); - emit(node.name); - } - if (languageVersion >= 2 /* ES6 */ && node.objectAssignmentInitializer) { - write(" = "); - emit(node.objectAssignmentInitializer); - } - } - function tryEmitConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - write(constantValue.toString()); - if (!compilerOptions.removeComments) { - var propertyName = node.kind === 169 /* PropertyAccessExpression */ ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); - write(" /* " + propertyName + " */"); - } - return true; - } - return false; - } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return node.kind === 169 /* PropertyAccessExpression */ || node.kind === 170 /* ElementAccessExpression */ - ? resolver.getConstantValue(node) - : undefined; - } - // Returns 'true' if the code was actually indented, false otherwise. - // If the code is not indented, an optional valueToWriteWhenNotIndenting will be - // emitted instead. - function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { - var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); - // Always use a newline for synthesized code if the synthesizer desires it. - var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); - if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { - increaseIndent(); - writeLine(); - return true; - } - else { - if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); - } - return false; - } - } - function emitPropertyAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 /* ES6 */ && - node.expression.kind === 95 /* SuperKeyword */ && - isInAsyncMethodWithSuperInES6(node)) { - var name_26 = ts.createSynthesizedNode(9 /* StringLiteral */); - name_26.text = node.name.text; - emitSuperAccessInAsyncMethod(node.expression, name_26); - return; - } - emit(node.expression); - var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); - // 1 .toString is a valid property access, emit a space after the literal - // Also emit a space if expression is a integer const enum value - it will appear in generated code as numeric literal - var shouldEmitSpace = false; - if (!indentedBeforeDot) { - if (node.expression.kind === 8 /* NumericLiteral */) { - // check if numeric literal was originally written with a dot - var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); - shouldEmitSpace = text.indexOf(ts.tokenToString(21 /* DotToken */)) < 0; - } - else { - // check if constant enum value is integer - var constantValue = tryGetConstEnumValue(node.expression); - // isFinite handles cases when constantValue is undefined - shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; - } - } - if (shouldEmitSpace) { - write(" ."); - } - else { - write("."); - } - var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); - emit(node.name); - decreaseIndentIf(indentedBeforeDot, indentedAfterDot); - } - function emitQualifiedName(node) { - emit(node.left); - write("."); - emit(node.right); - } - function emitQualifiedNameAsExpression(node, useFallback) { - if (node.left.kind === 69 /* Identifier */) { - emitEntityNameAsExpression(node.left, useFallback); - } - else if (useFallback) { - var temp = createAndRecordTempVariable(0 /* Auto */); - write("("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(node.left, /*useFallback*/ true); - write(") && "); - emitNodeWithoutSourceMap(temp); - } - else { - emitEntityNameAsExpression(node.left, /*useFallback*/ false); - } - write("."); - emit(node.right); - } - function emitEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 69 /* Identifier */: - if (useFallback) { - write("typeof "); - emitExpressionIdentifier(node); - write(" !== 'undefined' && "); - } - emitExpressionIdentifier(node); - break; - case 136 /* QualifiedName */: - emitQualifiedNameAsExpression(node, useFallback); - break; - default: - emitNodeWithoutSourceMap(node); - break; - } - } - function emitIndexedAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 /* ES6 */ && - node.expression.kind === 95 /* SuperKeyword */ && - isInAsyncMethodWithSuperInES6(node)) { - emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); - return; - } - emit(node.expression); - write("["); - emit(node.argumentExpression); - write("]"); - } - function hasSpreadElement(elements) { - return ts.forEach(elements, function (e) { return e.kind === 188 /* SpreadElementExpression */; }); - } - function skipParentheses(node) { - while (node.kind === 175 /* ParenthesizedExpression */ || node.kind === 174 /* TypeAssertionExpression */ || node.kind === 192 /* AsExpression */) { - node = node.expression; - } - return node; - } - function emitCallTarget(node) { - if (node.kind === 69 /* Identifier */ || node.kind === 97 /* ThisKeyword */ || node.kind === 95 /* SuperKeyword */) { - emit(node); - return node; - } - var temp = createAndRecordTempVariable(0 /* Auto */); - write("("); - emit(temp); - write(" = "); - emit(node); - write(")"); - return temp; - } - function emitCallWithSpread(node) { - var target; - var expr = skipParentheses(node.expression); - if (expr.kind === 169 /* PropertyAccessExpression */) { - // Target will be emitted as "this" argument - target = emitCallTarget(expr.expression); - write("."); - emit(expr.name); - } - else if (expr.kind === 170 /* ElementAccessExpression */) { - // Target will be emitted as "this" argument - target = emitCallTarget(expr.expression); - write("["); - emit(expr.argumentExpression); - write("]"); - } - else if (expr.kind === 95 /* SuperKeyword */) { - target = expr; - write("_super"); - } - else { - emit(node.expression); - } - write(".apply("); - if (target) { - if (target.kind === 95 /* SuperKeyword */) { - // Calls of form super(...) and super.foo(...) - emitThis(target); - } - else { - // Calls of form obj.foo(...) - emit(target); - } - } - else { - // Calls of form foo(...) - write("void 0"); - } - write(", "); - emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ true); - write(")"); - } - function isInAsyncMethodWithSuperInES6(node) { - if (languageVersion === 2 /* ES6 */) { - var container = ts.getSuperContainer(node, /*includeFunctions*/ false); - if (container && resolver.getNodeCheckFlags(container) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */)) { - return true; - } - } - return false; - } - function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { - var container = ts.getSuperContainer(superNode, /*includeFunctions*/ false); - var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096 /* AsyncMethodWithSuperBinding */; - write("_super("); - emit(argumentExpression); - write(isSuperBinding ? ").value" : ")"); - } - function emitCallExpression(node) { - if (languageVersion < 2 /* ES6 */ && hasSpreadElement(node.arguments)) { - emitCallWithSpread(node); - return; - } - var expression = node.expression; - var superCall = false; - var isAsyncMethodWithSuper = false; - if (expression.kind === 95 /* SuperKeyword */) { - emitSuper(expression); - superCall = true; - } - else { - superCall = ts.isSuperPropertyOrElementAccess(expression); - isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); - emit(expression); - } - if (superCall && (languageVersion < 2 /* ES6 */ || isAsyncMethodWithSuper)) { - write(".call("); - emitThis(expression); - if (node.arguments.length) { - write(", "); - emitCommaList(node.arguments); - } - write(")"); - } - else { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - function emitNewExpression(node) { - write("new "); - // Spread operator logic is supported in new expressions in ES5 using a combination - // of Function.prototype.bind() and Function.prototype.apply(). - // - // Example: - // - // var args = [1, 2, 3, 4, 5]; - // new Array(...args); - // - // is compiled into the following ES5: - // - // var args = [1, 2, 3, 4, 5]; - // new (Array.bind.apply(Array, [void 0].concat(args))); - // - // The 'thisArg' to 'bind' is ignored when invoking the result of 'bind' with 'new', - // Thus, we set it to undefined ('void 0'). - if (languageVersion === 1 /* ES5 */ && - node.arguments && - hasSpreadElement(node.arguments)) { - write("("); - var target = emitCallTarget(node.expression); - write(".bind.apply("); - emit(target); - write(", [void 0].concat("); - emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ false); - write(")))"); - write("()"); - } - else { - emit(node.expression); - if (node.arguments) { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - } - function emitTaggedTemplateExpression(node) { - if (languageVersion >= 2 /* ES6 */) { - emit(node.tag); - write(" "); - emit(node.template); - } - else { - emitDownlevelTaggedTemplate(node); - } - } - function emitParenExpression(node) { - // If the node is synthesized, it means the emitter put the parentheses there, - // not the user. If we didn't want them, the emitter would not have put them - // there. - if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177 /* ArrowFunction */) { - if (node.expression.kind === 174 /* TypeAssertionExpression */ || node.expression.kind === 192 /* AsExpression */) { - var operand = node.expression.expression; - // Make sure we consider all nested cast expressions, e.g.: - // (-A).x; - while (operand.kind === 174 /* TypeAssertionExpression */ || operand.kind === 192 /* AsExpression */) { - operand = operand.expression; - } - // We have an expression of the form: (SubExpr) - // Emitting this as (SubExpr) is really not desirable. We would like to emit the subexpr as is. - // Omitting the parentheses, however, could cause change in the semantics of the generated - // code if the casted expression has a lower precedence than the rest of the expression, e.g.: - // (new A).foo should be emitted as (new A).foo and not new A.foo - // (typeof A).toString() should be emitted as (typeof A).toString() and not typeof A.toString() - // new (A()) should be emitted as new (A()) and not new A() - // (function foo() { })() should be emitted as an IIF (function foo(){})() and not declaration function foo(){} () - if (operand.kind !== 182 /* PrefixUnaryExpression */ && - operand.kind !== 180 /* VoidExpression */ && - operand.kind !== 179 /* TypeOfExpression */ && - operand.kind !== 178 /* DeleteExpression */ && - operand.kind !== 183 /* PostfixUnaryExpression */ && - operand.kind !== 172 /* NewExpression */ && - !(operand.kind === 171 /* CallExpression */ && node.parent.kind === 172 /* NewExpression */) && - !(operand.kind === 176 /* FunctionExpression */ && node.parent.kind === 171 /* CallExpression */) && - !(operand.kind === 8 /* NumericLiteral */ && node.parent.kind === 169 /* PropertyAccessExpression */)) { - emit(operand); - return; - } - } - } - write("("); - emit(node.expression); - write(")"); - } - function emitDeleteExpression(node) { - write(ts.tokenToString(78 /* DeleteKeyword */)); - write(" "); - emit(node.expression); - } - function emitVoidExpression(node) { - write(ts.tokenToString(103 /* VoidKeyword */)); - write(" "); - emit(node.expression); - } - function emitTypeOfExpression(node) { - write(ts.tokenToString(101 /* TypeOfKeyword */)); - write(" "); - emit(node.expression); - } - function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { - if (!isCurrentFileSystemExternalModule() || node.kind !== 69 /* Identifier */ || ts.nodeIsSynthesized(node)) { - return false; - } - var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 /* VariableDeclaration */ || node.parent.kind === 166 /* BindingElement */); - var targetDeclaration = isVariableDeclarationOrBindingElement - ? node.parent - : resolver.getReferencedValueDeclaration(node); - return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, /*isExported*/ true); - } - function emitPrefixUnaryExpression(node) { - var exportChanged = (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - // emit - // ++x - // as - // exports('x', ++x) - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - } - write(ts.tokenToString(node.operator)); - // In some cases, we need to emit a space between the operator and the operand. One obvious case - // is when the operator is an identifier, like delete or typeof. We also need to do this for plus - // and minus expressions in certain cases. Specifically, consider the following two cases (parens - // are just for clarity of exposition, and not part of the source code): - // - // (+(+1)) - // (+(++1)) - // - // We need to emit a space in both cases. In the first case, the absence of a space will make - // the resulting expression a prefix increment operation. And in the second, it will make the resulting - // expression a prefix increment whose operand is a plus expression - (++(+x)) - // The same is true of minus of course. - if (node.operand.kind === 182 /* PrefixUnaryExpression */) { - var operand = node.operand; - if (node.operator === 35 /* PlusToken */ && (operand.operator === 35 /* PlusToken */ || operand.operator === 41 /* PlusPlusToken */)) { - write(" "); - } - else if (node.operator === 36 /* MinusToken */ && (operand.operator === 36 /* MinusToken */ || operand.operator === 42 /* MinusMinusToken */)) { - write(" "); - } - } - emit(node.operand); - if (exportChanged) { - write(")"); - } - } - function emitPostfixUnaryExpression(node) { - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - // export function returns the value that was passes as the second argument - // however for postfix unary expressions result value should be the value before modification. - // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' - write("(" + exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - write(ts.tokenToString(node.operator)); - emit(node.operand); - if (node.operator === 41 /* PlusPlusToken */) { - write(") - 1)"); - } - else { - write(") + 1)"); - } - } - else { - emit(node.operand); - write(ts.tokenToString(node.operator)); - } - } - function shouldHoistDeclarationInSystemJsModule(node) { - return isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ false); - } - /* - * Checks if given node is a source file level declaration (not nested in module/function). - * If 'isExported' is true - then declaration must also be exported. - * This function is used in two cases: - * - check if node is a exported source file level value to determine - * if we should also export the value after its it changed - * - check if node is a source level declaration to emit it differently, - * i.e non-exported variable statement 'var x = 1' is hoisted so - * we we emit variable statement 'var' should be dropped. - */ - function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { - if (!node || !isCurrentFileSystemExternalModule()) { - return false; - } - var current = ts.getRootDeclaration(node).parent; - while (current) { - if (current.kind === 251 /* SourceFile */) { - return !isExported || ((ts.getCombinedNodeFlags(node) & 2 /* Export */) !== 0); - } - else if (ts.isDeclaration(current)) { - return false; - } - else { - current = current.parent; - } - } - } - /** - * Emit ES7 exponentiation operator downlevel using Math.pow - * @param node a binary expression node containing exponentiationOperator (**, **=) - */ - function emitExponentiationOperator(node) { - var leftHandSideExpression = node.left; - if (node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { - var synthesizedLHS = void 0; - var shouldEmitParentheses = false; - if (ts.isElementAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(170 /* ElementAccessExpression */, /*startsOnNewLine*/ false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); - synthesizedLHS.expression = identifier; - if (leftHandSideExpression.argumentExpression.kind !== 8 /* NumericLiteral */ && - leftHandSideExpression.argumentExpression.kind !== 9 /* StringLiteral */) { - var tempArgumentExpression = createAndRecordTempVariable(268435456 /* _i */); - synthesizedLHS.argumentExpression = tempArgumentExpression; - emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, /*shouldEmitCommaBeforeAssignment*/ true, leftHandSideExpression.expression); - } - else { - synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; - } - write(", "); - } - else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(169 /* PropertyAccessExpression */, /*startsOnNewLine*/ false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); - synthesizedLHS.expression = identifier; - synthesizedLHS.dotToken = leftHandSideExpression.dotToken; - synthesizedLHS.name = leftHandSideExpression.name; - write(", "); - } - emit(synthesizedLHS || leftHandSideExpression); - write(" = "); - write("Math.pow("); - emit(synthesizedLHS || leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - if (shouldEmitParentheses) { - write(")"); - } - } - else { - write("Math.pow("); - emit(leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - } - } - function emitBinaryExpression(node) { - if (languageVersion < 2 /* ES6 */ && node.operatorToken.kind === 56 /* EqualsToken */ && - (node.left.kind === 168 /* ObjectLiteralExpression */ || node.left.kind === 167 /* ArrayLiteralExpression */)) { - emitDestructuring(node, node.parent.kind === 198 /* ExpressionStatement */); - } - else { - var exportChanged = node.operatorToken.kind >= 56 /* FirstAssignment */ && - node.operatorToken.kind <= 68 /* LastAssignment */ && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); - if (exportChanged) { - // emit assignment 'x y' as 'exports("x", x y)' - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.left); - write("\", "); - } - if (node.operatorToken.kind === 38 /* AsteriskAsteriskToken */ || node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { - // Downleveled emit exponentiation operator using Math.pow - emitExponentiationOperator(node); - } - else { - emit(node.left); - // Add indentation before emit the operator if the operator is on different line - // For example: - // 3 - // + 2; - // emitted as - // 3 - // + 2; - var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 /* CommaToken */ ? " " : undefined); - write(ts.tokenToString(node.operatorToken.kind)); - var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); - emit(node.right); - decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); - } - if (exportChanged) { - write(")"); - } - } - } - function synthesizedNodeStartsOnNewLine(node) { - return ts.nodeIsSynthesized(node) && node.startsOnNewLine; - } - function emitConditionalExpression(node) { - emit(node.condition); - var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); - write("?"); - var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); - emit(node.whenTrue); - decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); - var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); - write(":"); - var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); - emit(node.whenFalse); - decreaseIndentIf(indentedBeforeColon, indentedAfterColon); - } - // Helper function to decrease the indent if we previously indented. Allows multiple - // previous indent values to be considered at a time. This also allows caller to just - // call this once, passing in all their appropriate indent values, instead of needing - // to call this helper function multiple times. - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); - } - if (value2) { - decreaseIndent(); - } - } - function isSingleLineEmptyBlock(node) { - if (node && node.kind === 195 /* Block */) { - var block = node; - return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); - } - } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - emitToken(15 /* OpenBraceToken */, node.pos); - write(" "); - emitToken(16 /* CloseBraceToken */, node.statements.end); - return; - } - emitToken(15 /* OpenBraceToken */, node.pos); - increaseIndent(); - if (node.kind === 222 /* ModuleBlock */) { - ts.Debug.assert(node.parent.kind === 221 /* ModuleDeclaration */); - emitCaptureThisForNodeIfNecessary(node.parent); - } - emitLines(node.statements); - if (node.kind === 222 /* ModuleBlock */) { - emitTempDeclarations(/*newLine*/ true); - } - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.statements.end); - } - function emitEmbeddedStatement(node) { - if (node.kind === 195 /* Block */) { - write(" "); - emit(node); - } - else { - increaseIndent(); - writeLine(); - emit(node); - decreaseIndent(); - } - } - function emitExpressionStatement(node) { - emitParenthesizedIf(node.expression, /*parenthesized*/ node.expression.kind === 177 /* ArrowFunction */); - write(";"); - } - function emitIfStatement(node) { - var endPos = emitToken(88 /* IfKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - emit(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - emitToken(80 /* ElseKeyword */, node.thenStatement.end); - if (node.elseStatement.kind === 199 /* IfStatement */) { - write(" "); - emit(node.elseStatement); - } - else { - emitEmbeddedStatement(node.elseStatement); - } - } - } - function emitDoStatement(node) { - emitLoop(node, emitDoStatementWorker); - } - function emitDoStatementWorker(node, loop) { - write("do"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - if (node.statement.kind === 195 /* Block */) { - write(" "); - } - else { - writeLine(); - } - write("while ("); - emit(node.expression); - write(");"); - } - function emitWhileStatement(node) { - emitLoop(node, emitWhileStatementWorker); - } - function emitWhileStatementWorker(node, loop) { - write("while ("); - emit(node.expression); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - /** - * Returns true if start of variable declaration list was emitted. - * Returns false if nothing was written - this can happen for source file level variable declarations - * in system modules where such variable declarations are hoisted. - */ - function tryEmitStartOfVariableDeclarationList(decl) { - if (shouldHoistVariable(decl, /*checkIfSourceFileLevelDecl*/ true)) { - // variables in variable declaration list were already hoisted - return false; - } - if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576 /* BlockScoped */) === 0) { - // we are inside a converted loop - this can only happen in downlevel scenarios - // record names for all variable declarations - for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { - var varDecl = _b[_a]; - hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); - } - return false; - } - emitStart(decl); - if (decl && languageVersion >= 2 /* ES6 */) { - if (ts.isLet(decl)) { - write("let "); - } - else if (ts.isConst(decl)) { - write("const "); - } - else { - write("var "); - } - } - else { - write("var "); - } - // Note here we specifically dont emit end so that if we are going to emit binding pattern - // we can alter the source map correctly - return true; - } - function emitVariableDeclarationListSkippingUninitializedEntries(list) { - var started = false; - for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { - var decl = _b[_a]; - if (!decl.initializer) { - continue; - } - if (!started) { - started = true; - } - else { - write(", "); - } - emit(decl); - } - return started; - } - function shouldConvertLoopBody(node) { - return languageVersion < 2 /* ES6 */ && - (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; - } - function emitLoop(node, loopEmitter) { - var shouldConvert = shouldConvertLoopBody(node); - if (!shouldConvert) { - loopEmitter(node, /* convertedLoop*/ undefined); - } - else { - var loop = convertLoopBody(node); - if (node.parent.kind === 210 /* LabeledStatement */) { - // if parent of the loop was labeled statement - attach the label to loop skipping converted loop body - emitLabelAndColon(node.parent); - } - loopEmitter(node, loop); - } - } - function convertLoopBody(node) { - var functionName = makeUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - var initializer = node.initializer; - if (initializer && initializer.kind === 215 /* VariableDeclarationList */) { - loopInitializer = node.initializer; - } - break; - } - var loopParameters; - var loopOutParameters; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576 /* BlockScoped */)) { - // if loop initializer contains block scoped variables - they should be passed to converted loop body as parameters - loopParameters = []; - for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { - var varDeclaration = _b[_a]; - processVariableDeclaration(varDeclaration.name); - } - } - var bodyIsBlock = node.statement.kind === 195 /* Block */; - var paramList = loopParameters ? loopParameters.join(", ") : ""; - writeLine(); - write("var " + functionName + " = function(" + paramList + ")"); - var convertedOuterLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (convertedOuterLoopState) { - // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. - // if outer converted loop has already accumulated some state - pass it through - if (convertedOuterLoopState.argumentsName) { - // outer loop has already used 'arguments' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; - } - if (convertedOuterLoopState.thisName) { - // outer loop has already used 'this' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.thisName = convertedOuterLoopState.thisName; - } - if (convertedOuterLoopState.hoistedLocalVariables) { - // we've already collected some non-block scoped variable declarations in enclosing loop - // use the same storage in nested loop - convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; - } - } - write(" {"); - writeLine(); - increaseIndent(); - if (bodyIsBlock) { - emitLines(node.statement.statements); - } - else { - emit(node.statement); - } - writeLine(); - // end of loop body -> copy out parameter - copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ true); - decreaseIndent(); - writeLine(); - write("};"); - writeLine(); - if (loopOutParameters) { - // declare variables to hold out params for loop body - write("var "); - for (var i = 0; i < loopOutParameters.length; i++) { - if (i !== 0) { - write(", "); - } - write(loopOutParameters[i].outParamName); - } - write(";"); - writeLine(); - } - if (convertedLoopState.argumentsName) { - // if alias for arguments is set - if (convertedOuterLoopState) { - // pass it to outer converted loop - convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; - } - else { - // this is top level converted loop and we need to create an alias for 'arguments' object - write("var " + convertedLoopState.argumentsName + " = arguments;"); - writeLine(); - } - } - if (convertedLoopState.thisName) { - // if alias for this is set - if (convertedOuterLoopState) { - // pass it to outer converted loop - convertedOuterLoopState.thisName = convertedLoopState.thisName; - } - else { - // this is top level converted loop so we need to create an alias for 'this' here - // NOTE: - // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. - // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. - write("var " + convertedLoopState.thisName + " = this;"); - writeLine(); - } - } - if (convertedLoopState.hoistedLocalVariables) { - // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later - if (convertedOuterLoopState) { - // pass them to outer converted loop - convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; - } - else { - // deduplicate and hoist collected variable declarations - write("var "); - var seen = void 0; - for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { - var id = _d[_c]; - // Don't initialize seen unless we have at least one element. - // Emit a comma to separate for all but the first element. - if (!seen) { - seen = {}; - } - else { - write(", "); - } - if (!ts.hasProperty(seen, id.text)) { - emit(id); - seen[id.text] = id.text; - } - } - write(";"); - writeLine(); - } - } - var currentLoopState = convertedLoopState; - convertedLoopState = convertedOuterLoopState; - return { functionName: functionName, paramList: paramList, state: currentLoopState }; - function processVariableDeclaration(name) { - if (name.kind === 69 /* Identifier */) { - var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) - ? getGeneratedNameForNode(name) - : name.text; - loopParameters.push(nameText); - if (resolver.getNodeCheckFlags(name.parent) & 2097152 /* NeedsLoopOutParameter */) { - var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; - (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); - } - } - else { - for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { - var element = _b[_a]; - processVariableDeclaration(element.name); - } - } - } - } - function emitNormalLoopBody(node, emitAsEmbeddedStatement) { - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - // we get here if we are trying to emit normal loop loop inside converted loop - // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; - } - if (emitAsEmbeddedStatement) { - emitEmbeddedStatement(node.statement); - } - else if (node.statement.kind === 195 /* Block */) { - emitLines(node.statement.statements); - } - else { - writeLine(); - emit(node.statement); - } - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function copyLoopOutParameters(state, copyDirection, emitAsStatements) { - if (state.loopOutParameters) { - for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { - var outParam = _b[_a]; - if (copyDirection === 0 /* ToOriginal */) { - emitIdentifier(outParam.originalName); - write(" = " + outParam.outParamName); - } - else { - write(outParam.outParamName + " = "); - emitIdentifier(outParam.originalName); - } - if (emitAsStatements) { - write(";"); - writeLine(); - } - else { - write(", "); - } - } - } - } - function emitConvertedLoopCall(loop, emitAsBlock) { - if (emitAsBlock) { - write(" {"); - writeLine(); - increaseIndent(); - } - // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop - // simple loops are emitted as just 'loop()'; - var isSimpleLoop = !loop.state.nonLocalJumps && - !loop.state.labeledNonLocalBreaks && - !loop.state.labeledNonLocalContinues; - var loopResult = makeUniqueName("state"); - if (!isSimpleLoop) { - write("var " + loopResult + " = "); - } - write(loop.functionName + "(" + loop.paramList + ");"); - writeLine(); - copyLoopOutParameters(loop.state, 0 /* ToOriginal */, /*emitAsStatements*/ true); - if (!isSimpleLoop) { - // for non simple loops we need to store result returned from converted loop function and use it to do dispatching - // converted loop function can return: - // - object - used when body of the converted loop contains return statement. Property "value" of this object stores retuned value - // - string - used to dispatch jumps. "break" and "continue" are used to non-labeled jumps, other values are used to transfer control to - // different labels - writeLine(); - if (loop.state.nonLocalJumps & 8 /* Return */) { - write("if (typeof " + loopResult + " === \"object\") "); - if (convertedLoopState) { - // we are currently nested in another converted loop - return unwrapped result - write("return " + loopResult + ";"); - // propagate 'hasReturn' flag to outer loop - convertedLoopState.nonLocalJumps |= 8 /* Return */; - } - else { - // top level converted loop - return unwrapped value - write("return " + loopResult + ".value;"); - } - writeLine(); - } - if (loop.state.nonLocalJumps & 2 /* Break */) { - write("if (" + loopResult + " === \"break\") break;"); - writeLine(); - } - if (loop.state.nonLocalJumps & 4 /* Continue */) { - write("if (" + loopResult + " === \"continue\") continue;"); - writeLine(); - } - // in case of labeled breaks emit code that either breaks to some known label inside outer loop or delegates jump decision to outer loop - emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); - } - if (emitAsBlock) { - writeLine(); - decreaseIndent(); - write("}"); - } - function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { - if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { - return; - } - write("switch(" + loopResultVariable + ") {"); - increaseIndent(); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, /*isBreak*/ true, loopResultVariable, outerLoop); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, /*isBreak*/ false, loopResultVariable, outerLoop); - decreaseIndent(); - writeLine(); - write("}"); - } - function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - writeLine(); - write("case \"" + labelMarker + "\": "); - // if there are no outer converted loop or outer label in question is located inside outer converted loop - // then emit labeled break\continue - // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - if (isBreak) { - write("break "); - } - else { - write("continue "); - } - write(labelText + ";"); - } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - write("return " + loopResultVariable + ";"); - } - } - } - } - function emitForStatement(node) { - emitLoop(node, emitForStatementWorker); - } - function emitForStatementWorker(node, loop) { - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { - var variableDeclarationList = node.initializer; - var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); - if (startIsEmitted) { - emitCommaList(variableDeclarationList.declarations); - } - else { - emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); - } - } - else if (node.initializer) { - emit(node.initializer); - } - write(";"); - emitOptional(" ", node.condition); - write(";"); - emitOptional(" ", node.incrementor); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - function emitForInOrForOfStatement(node) { - if (languageVersion < 2 /* ES6 */ && node.kind === 204 /* ForOfStatement */) { - emitLoop(node, emitDownLevelForOfStatementWorker); - } - else { - emitLoop(node, emitForInOrForOfStatementWorker); - } - } - function emitForInOrForOfStatementWorker(node, loop) { - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length >= 1) { - tryEmitStartOfVariableDeclarationList(variableDeclarationList); - emit(variableDeclarationList.declarations[0]); - } - } - else { - emit(node.initializer); - } - if (node.kind === 203 /* ForInStatement */) { - write(" in "); - } - else { - write(" of "); - } - emit(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - function emitDownLevelForOfStatementWorker(node, loop) { - // The following ES6 code: - // - // for (let v of expr) { } - // - // should be emitted as - // - // for (let _i = 0, _a = expr; _i < _a.length; _i++) { - // let v = _a[_i]; - // } - // - // where _a and _i are temps emitted to capture the RHS and the counter, - // respectively. - // When the left hand side is an expression instead of a let declaration, - // the "let v" is not emitted. - // When the left hand side is a let/const, the v is renamed if there is - // another v in scope. - // Note that all assignments to the LHS are emitted in the body, including - // all destructuring. - // Note also that because an extra statement is needed to assign to the LHS, - // for-of bodies are always emitted as blocks. - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - // Do not emit the LHS let declaration yet, because it might contain destructuring. - // Do not call recordTempDeclaration because we are declaring the temps - // right here. Recording means they will be declared later. - // In the case where the user wrote an identifier as the RHS, like this: - // - // for (let v of arr) { } - // - // we can't reuse 'arr' because it might be modified within the body of the loop. - var counter = createTempVariable(268435456 /* _i */); - var rhsReference = ts.createSynthesizedNode(69 /* Identifier */); - rhsReference.text = node.expression.kind === 69 /* Identifier */ ? - makeUniqueName(node.expression.text) : - makeTempVariableName(0 /* Auto */); - // This is the let keyword for the counter and rhsReference. The let keyword for - // the LHS will be emitted inside the body. - emitStart(node.expression); - write("var "); - // _i = 0 - emitNodeWithoutSourceMap(counter); - write(" = 0"); - emitEnd(node.expression); - // , _a = expr - write(", "); - emitStart(node.expression); - emitNodeWithoutSourceMap(rhsReference); - write(" = "); - emitNodeWithoutSourceMap(node.expression); - emitEnd(node.expression); - write("; "); - // _i < _a.length; - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write(" < "); - emitNodeWithCommentsAndWithoutSourcemap(rhsReference); - write(".length"); - emitEnd(node.expression); - write("; "); - // _i++) - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write("++"); - emitEnd(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - // Body - write(" {"); - writeLine(); - increaseIndent(); - // Initialize LHS - // let v = _a[_i]; - var rhsIterationValue = createElementAccessExpression(rhsReference, counter); - emitStart(node.initializer); - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - write("var "); - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length > 0) { - var declaration = variableDeclarationList.declarations[0]; - if (ts.isBindingPattern(declaration.name)) { - // This works whether the declaration is a var, let, or const. - // It will use rhsIterationValue _a[_i] as the initializer. - emitDestructuring(declaration, /*isAssignmentExpressionStatement*/ false, rhsIterationValue); - } - else { - // The following call does not include the initializer, so we have - // to emit it separately. - emitNodeWithCommentsAndWithoutSourcemap(declaration); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - // It's an empty declaration list. This can only happen in an error case, if the user wrote - // for (let of []) {} - emitNodeWithoutSourceMap(createTempVariable(0 /* Auto */)); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - // Initializer is an expression. Emit the expression in the body, so that it's - // evaluated on every iteration. - var assignmentExpression = createBinaryExpression(node.initializer, 56 /* EqualsToken */, rhsIterationValue, /*startsOnNewLine*/ false); - if (node.initializer.kind === 167 /* ArrayLiteralExpression */ || node.initializer.kind === 168 /* ObjectLiteralExpression */) { - // This is a destructuring pattern, so call emitDestructuring instead of emit. Calling emit will not work, because it will cause - // the BinaryExpression to be passed in instead of the expression statement, which will cause emitDestructuring to crash. - emitDestructuring(assignmentExpression, /*isAssignmentExpressionStatement*/ true, /*value*/ undefined); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); - } - } - emitEnd(node.initializer); - write(";"); - if (loop) { - writeLine(); - emitConvertedLoopCall(loop, /*emitAsBlock*/ false); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ false); - } - writeLine(); - decreaseIndent(); - write("}"); - } - function emitBreakOrContinueStatement(node) { - if (convertedLoopState) { - // check if we can emit break\continue as is - // it is possible if either - // - break\continue is statement labeled and label is located inside the converted loop - // - break\continue is non-labeled and located in non-converted loop\switch statement - var jump = node.kind === 206 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - write("return "); - // explicit exit from loop -> copy out parameters - copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ false); - if (!node.label) { - if (node.kind === 206 /* BreakStatement */) { - convertedLoopState.nonLocalJumps |= 2 /* Break */; - write("\"break\";"); - } - else { - convertedLoopState.nonLocalJumps |= 4 /* Continue */; - write("\"continue\";"); - } - } - else { - var labelMarker = void 0; - if (node.kind === 206 /* BreakStatement */) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); - } - write("\"" + labelMarker + "\";"); - } - return; - } - } - emitToken(node.kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */, node.pos); - emitOptional(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - if (convertedLoopState) { - convertedLoopState.nonLocalJumps |= 8 /* Return */; - write("return { value: "); - if (node.expression) { - emit(node.expression); - } - else { - write("void 0"); - } - write(" };"); - return; - } - emitToken(94 /* ReturnKeyword */, node.pos); - emitOptional(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emit(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var endPos = emitToken(96 /* SwitchKeyword */, node.pos); - write(" "); - emitToken(17 /* OpenParenToken */, endPos); - emit(node.expression); - endPos = emitToken(18 /* CloseParenToken */, node.expression.end); - write(" "); - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - // for switch statement allow only non-labeled break - convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; - } - emitCaseBlock(node.caseBlock, endPos); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function emitCaseBlock(node, startPos) { - emitToken(15 /* OpenBraceToken */, startPos); - increaseIndent(); - emitLines(node.clauses); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.clauses.end); - } - function nodeStartPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function nodeEndPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); - } - function nodeEndIsOnSameLineAsNodeStart(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function emitCaseOrDefaultClause(node) { - if (node.kind === 244 /* CaseClause */) { - write("case "); - emit(node.expression); - write(":"); - } - else { - write("default:"); - } - if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { - write(" "); - emit(node.statements[0]); - } - else { - increaseIndent(); - emitLines(node.statements); - decreaseIndent(); - } - } - function emitThrowStatement(node) { - write("throw "); - emit(node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); - } - } - function emitCatchClause(node) { - writeLine(); - var endPos = emitToken(72 /* CatchKeyword */, node.pos); - write(" "); - emitToken(17 /* OpenParenToken */, endPos); - emit(node.variableDeclaration); - emitToken(18 /* CloseParenToken */, node.variableDeclaration ? node.variableDeclaration.end : endPos); - write(" "); - emitBlock(node.block); - } - function emitDebuggerStatement(node) { - emitToken(76 /* DebuggerKeyword */, node.pos); - write(";"); - } - function emitLabelAndColon(node) { - emit(node.label); - write(": "); - } - function emitLabeledStatement(node) { - if (!ts.isIterationStatement(node.statement, /* lookInLabeledStatements */ false) || !shouldConvertLoopBody(node.statement)) { - emitLabelAndColon(node); - } - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = {}; - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - emit(node.statement); - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; - } - } - function getContainingModule(node) { - do { - node = node.parent; - } while (node && node.kind !== 221 /* ModuleDeclaration */); - return node; - } - function emitContainingModuleName(node) { - var container = getContainingModule(node); - write(container ? getGeneratedNameForNode(container) : "exports"); - } - function emitModuleMemberName(node) { - emitStart(node.name); - if (ts.getCombinedNodeFlags(node) & 2 /* Export */) { - var container = getContainingModule(node); - if (container) { - write(getGeneratedNameForNode(container)); - write("."); - } - else if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { - write("exports."); - } - } - emitNodeWithCommentsAndWithoutSourcemap(node.name); - emitEnd(node.name); - } - function createVoidZero() { - var zero = ts.createSynthesizedNode(8 /* NumericLiteral */); - zero.text = "0"; - var result = ts.createSynthesizedNode(180 /* VoidExpression */); - result.expression = zero; - return result; - } - function emitEs6ExportDefaultCompat(node) { - if (node.parent.kind === 251 /* SourceFile */) { - ts.Debug.assert(!!(node.flags & 512 /* Default */) || node.kind === 230 /* ExportAssignment */); - // only allow export default at a source file level - if (modulekind === 1 /* CommonJS */ || modulekind === 2 /* AMD */ || modulekind === 3 /* UMD */) { - if (!isEs6Module) { - if (languageVersion !== 0 /* ES3 */) { - // default value of configurable, enumerable, writable are `false`. - write("Object.defineProperty(exports, \"__esModule\", { value: true });"); - writeLine(); - } - else { - write("exports.__esModule = true;"); - writeLine(); - } - } - } - } - } - function emitExportMemberAssignment(node) { - if (node.flags & 2 /* Export */) { - writeLine(); - emitStart(node); - // emit call to exporter only for top level nodes - if (modulekind === 4 /* System */ && node.parent === currentSourceFile) { - // emit export default as - // export("default", ) - write(exportFunctionForFile + "(\""); - if (node.flags & 512 /* Default */) { - write("default"); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - write("\", "); - emitDeclarationName(node); - write(")"); - } - else { - if (node.flags & 512 /* Default */) { - emitEs6ExportDefaultCompat(node); - if (languageVersion === 0 /* ES3 */) { - write("exports[\"default\"]"); - } - else { - write("exports.default"); - } - } - else { - emitModuleMemberName(node); - } - write(" = "); - emitDeclarationName(node); - } - emitEnd(node); - write(";"); - } - } - function emitExportMemberAssignments(name) { - if (modulekind === 4 /* System */) { - return; - } - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { - var specifier = _b[_a]; - writeLine(); - emitStart(specifier.name); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - emitEnd(specifier.name); - write(" = "); - emitExpressionIdentifier(name); - write(";"); - } - } - } - function emitExportSpecifierInSystemModule(specifier) { - ts.Debug.assert(modulekind === 4 /* System */); - if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { - return; - } - writeLine(); - emitStart(specifier.name); - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write("\", "); - emitExpressionIdentifier(specifier.propertyName || specifier.name); - write(")"); - emitEnd(specifier.name); - write(";"); - } - /** - * Emit an assignment to a given identifier, 'name', with a given expression, 'value'. - * @param name an identifier as a left-hand-side operand of the assignment - * @param value an expression as a right-hand-side operand of the assignment - * @param shouldEmitCommaBeforeAssignment a boolean indicating whether to prefix an assignment with comma - */ - function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { - if (shouldEmitCommaBeforeAssignment) { - write(", "); - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(name); - write("\", "); - } - var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 /* VariableDeclaration */ || name.parent.kind === 166 /* BindingElement */); - // If this is first var declaration, we need to start at var/let/const keyword instead - // otherwise use nodeForSourceMap as the start position - emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); - withTemporaryNoSourceMap(function () { - if (isVariableDeclarationOrBindingElement) { - emitModuleMemberName(name.parent); - } - else { - emit(name); - } - write(" = "); - emit(value); - }); - emitEnd(nodeForSourceMap, /*stopOverridingSpan*/ true); - if (exportChanged) { - write(")"); - } - } - /** - * Create temporary variable, emit an assignment of the variable the given expression - * @param expression an expression to assign to the newly created temporary variable - * @param canDefineTempVariablesInPlace a boolean indicating whether you can define the temporary variable at an assignment location - * @param shouldEmitCommaBeforeAssignment a boolean indicating whether an assignment should prefix with comma - */ - function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { - var identifier = createTempVariable(0 /* Auto */); - if (!canDefineTempVariablesInPlace) { - recordTempDeclaration(identifier); - } - emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); - return identifier; - } - function isFirstVariableDeclaration(root) { - return root.kind === 214 /* VariableDeclaration */ && - root.parent.kind === 215 /* VariableDeclarationList */ && - root.parent.declarations[0] === root; - } - function emitDestructuring(root, isAssignmentExpressionStatement, value) { - var emitCount = 0; - // An exported declaration is actually emitted as an assignment (to a property on the module object), so - // temporary variables in an exported declaration need to have real declarations elsewhere - // Also temporary variables should be explicitly allocated for source level declarations when module target is system - // because actual variable declarations are hoisted - var canDefineTempVariablesInPlace = false; - if (root.kind === 214 /* VariableDeclaration */) { - var isExported = ts.getCombinedNodeFlags(root) & 2 /* Export */; - var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); - canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; - } - else if (root.kind === 139 /* Parameter */) { - canDefineTempVariablesInPlace = true; - } - if (root.kind === 184 /* BinaryExpression */) { - emitAssignmentExpression(root); - } - else { - ts.Debug.assert(!isAssignmentExpressionStatement); - // If first variable declaration of variable statement correct the start location - if (isFirstVariableDeclaration(root)) { - // Use emit location of "var " as next emit start entry - sourceMap.changeEmitSourcePos(); - } - emitBindingElement(root, value); - } - /** - * Ensures that there exists a declared identifier whose value holds the given expression. - * This function is useful to ensure that the expression's value can be read from in subsequent expressions. - * Unless 'reuseIdentifierExpressions' is false, 'expr' will be returned if it is just an identifier. - * - * @param expr the expression whose value needs to be bound. - * @param reuseIdentifierExpressions true if identifier expressions can simply be returned; - * false if it is necessary to always emit an identifier. - */ - function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { - if (expr.kind === 69 /* Identifier */ && reuseIdentifierExpressions) { - return expr; - } - var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); - emitCount++; - return identifier; - } - function createDefaultValueCheck(value, defaultValue, sourceMapNode) { - // The value expression will be evaluated twice, so for anything but a simple identifier - // we need to generate a temporary variable - // If the temporary variable needs to be emitted use the source Map node for assignment of that statement - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - // Return the expression 'value === void 0 ? defaultValue : value' - var equals = ts.createSynthesizedNode(184 /* BinaryExpression */); - equals.left = value; - equals.operatorToken = ts.createSynthesizedNode(32 /* EqualsEqualsEqualsToken */); - equals.right = createVoidZero(); - return createConditionalExpression(equals, defaultValue, value); - } - function createConditionalExpression(condition, whenTrue, whenFalse) { - var cond = ts.createSynthesizedNode(185 /* ConditionalExpression */); - cond.condition = condition; - cond.questionToken = ts.createSynthesizedNode(53 /* QuestionToken */); - cond.whenTrue = whenTrue; - cond.colonToken = ts.createSynthesizedNode(54 /* ColonToken */); - cond.whenFalse = whenFalse; - return cond; - } - function createNumericLiteral(value) { - var node = ts.createSynthesizedNode(8 /* NumericLiteral */); - node.text = "" + value; - return node; - } - function createPropertyAccessForDestructuringProperty(object, propName) { - var index; - var nameIsComputed = propName.kind === 137 /* ComputedPropertyName */; - if (nameIsComputed) { - // TODO to handle when we look into sourcemaps for computed properties, for now use propName - index = ensureIdentifier(propName.expression, /*reuseIdentifierExpressions*/ false, propName); - } - else { - // We create a synthetic copy of the identifier in order to avoid the rewriting that might - // otherwise occur when the identifier is emitted. - index = ts.createSynthesizedNode(propName.kind); - // We need to unescape identifier here because when parsing an identifier prefixing with "__" - // the parser need to append "_" in order to escape colliding with magic identifiers such as "__proto__" - // Therefore, in order to correctly emit identifiers that are written in original TypeScript file, - // we will unescapeIdentifier to remove additional underscore (if no underscore is added, the function will return original input string) - index.text = ts.unescapeIdentifier(propName.text); - } - return !nameIsComputed && index.kind === 69 /* Identifier */ - ? createPropertyAccessExpression(object, index) - : createElementAccessExpression(object, index); - } - function createSliceCall(value, sliceIndex) { - var call = ts.createSynthesizedNode(171 /* CallExpression */); - var sliceIdentifier = ts.createSynthesizedNode(69 /* Identifier */); - sliceIdentifier.text = "slice"; - call.expression = createPropertyAccessExpression(value, sliceIdentifier); - call.arguments = ts.createSynthesizedNodeArray(); - call.arguments[0] = createNumericLiteral(sliceIndex); - return call; - } - function emitObjectLiteralAssignment(target, value, sourceMapNode) { - var properties = target.properties; - if (properties.length !== 1) { - // For anything but a single element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. - // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - } - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var p = properties_5[_a]; - if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { - var propName = p.name; - var target_1 = p.kind === 249 /* ShorthandPropertyAssignment */ ? p : p.initializer || propName; - // Assignment for target = value.propName should highligh whole property, hence use p as source map node - emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); - } - } - } - function emitArrayLiteralAssignment(target, value, sourceMapNode) { - var elements = target.elements; - if (elements.length !== 1) { - // For anything but a single element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. - // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - } - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190 /* OmittedExpression */) { - // Assignment for target = value.propName should highligh whole property, hence use e as source map node - if (e.kind !== 188 /* SpreadElementExpression */) { - emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); - } - else if (i === elements.length - 1) { - emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); - } - } - } - } - function emitDestructuringAssignment(target, value, sourceMapNode) { - // When emitting target = value use source map node to highlight, including any temporary assignments needed for this - if (target.kind === 249 /* ShorthandPropertyAssignment */) { - if (target.objectAssignmentInitializer) { - value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); - } - target = target.name; - } - else if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { - value = createDefaultValueCheck(value, target.right, sourceMapNode); - target = target.left; - } - if (target.kind === 168 /* ObjectLiteralExpression */) { - emitObjectLiteralAssignment(target, value, sourceMapNode); - } - else if (target.kind === 167 /* ArrayLiteralExpression */) { - emitArrayLiteralAssignment(target, value, sourceMapNode); - } - else { - emitAssignment(target, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, sourceMapNode); - emitCount++; - } - } - function emitAssignmentExpression(root) { - var target = root.left; - var value = root.right; - if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { - emit(value); - } - else if (isAssignmentExpressionStatement) { - // Source map node for root.left = root.right is root - // but if root is synthetic, which could be in below case, use the target which is { a } - // for ({a} of {a: string}) { - // } - emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); - } - else { - if (root.parent.kind !== 175 /* ParenthesizedExpression */) { - write("("); - } - // Temporary assignment needed to emit root should highlight whole binary expression - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, root); - // Source map node for root.left = root.right is root - emitDestructuringAssignment(target, value, root); - write(", "); - emit(value); - if (root.parent.kind !== 175 /* ParenthesizedExpression */) { - write(")"); - } - } - } - function emitBindingElement(target, value) { - // Any temporary assignments needed to emit target = value should point to target - if (target.initializer) { - // Combine value and initializer - value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; - } - else if (!value) { - // Use 'void 0' in absence of value and initializer - value = createVoidZero(); - } - if (ts.isBindingPattern(target.name)) { - var pattern = target.name; - var elements = pattern.elements; - var numElements = elements.length; - if (numElements !== 1) { - // For anything other than a single-element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. Additionally, if we have zero elements - // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, - // so in that case, we'll intentionally create that temporary. - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ numElements !== 0, target); - } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (pattern.kind === 164 /* ObjectBindingPattern */) { - // Rewrite element to a declaration with an initializer that fetches property - var propName = element.propertyName || element.name; - emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); - } - else if (element.kind !== 190 /* OmittedExpression */) { - if (!element.dotDotDotToken) { - // Rewrite element to a declaration that accesses array element at index i - emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); - } - else if (i === numElements - 1) { - emitBindingElement(element, createSliceCall(value, i)); - } - } - } - } - else { - emitAssignment(target.name, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, target); - emitCount++; - } - } - } - function emitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - if (languageVersion < 2 /* ES6 */) { - emitDestructuring(node, /*isAssignmentExpressionStatement*/ false); - } - else { - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - else { - var initializer = node.initializer; - if (!initializer && - languageVersion < 2 /* ES6 */ && - // for names - binding patterns that lack initializer there is no point to emit explicit initializer - // since downlevel codegen for destructuring will fail in the absence of initializer so all binding elements will say uninitialized - node.name.kind === 69 /* Identifier */) { - var container = ts.getEnclosingBlockScopeContainer(node); - var flags = resolver.getNodeCheckFlags(node); - // nested let bindings might need to be initialized explicitly to preserve ES6 semantic - // { let x = 1; } - // { let x; } // x here should be undefined. not 1 - // NOTES: - // Top level bindings never collide with anything and thus don't require explicit initialization. - // As for nested let bindings there are two cases: - // - nested let bindings that were not renamed definitely should be initialized explicitly - // { let x = 1; } - // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } - // Without explicit initialization code in /*1*/ can be executed even if some-condition is evaluated to false - // - renaming introduces fresh name that should not collide with any existing names, however renamed bindings sometimes also should be - // explicitly initialized. One particular case: non-captured binding declared inside loop body (but not in loop initializer) - // let x; - // for (;;) { - // let x; - // } - // in downlevel codegen inner 'x' will be renamed so it won't collide with outer 'x' however it will should be reset on every iteration - // as if it was declared anew. - // * Why non-captured binding - because if loop contains block scoped binding captured in some function then loop body will be rewritten - // to have a fresh scope on every iteration so everything will just work. - // * Why loop initializer is excluded - since we've introduced a fresh name it already will be undefined. - var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; - var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || - (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false)); - var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 /* Let */ && - !emittedAsTopLevel; - var emitExplicitInitializer = emittedAsNestedLetDeclaration && - container.kind !== 203 /* ForInStatement */ && - container.kind !== 204 /* ForOfStatement */ && - (!resolver.isDeclarationWithCollidingName(node) || - (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, /*lookInLabeledStatements*/ false))); - if (emitExplicitInitializer) { - initializer = createVoidZero(); - } - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(node.name); - write("\", "); - } - emitModuleMemberName(node); - emitOptional(" = ", initializer); - if (exportChanged) { - write(")"); - } - } - } - function emitExportVariableAssignments(node) { - if (node.kind === 190 /* OmittedExpression */) { - return; - } - var name = node.name; - if (name.kind === 69 /* Identifier */) { - emitExportMemberAssignments(name); - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, emitExportVariableAssignments); - } - } - function isES6ExportedDeclaration(node) { - return !!(node.flags & 2 /* Export */) && - modulekind === 5 /* ES6 */ && - node.parent.kind === 251 /* SourceFile */; - } - function emitVariableStatement(node) { - var startIsEmitted = false; - if (node.flags & 2 /* Export */) { - if (isES6ExportedDeclaration(node)) { - // Exported ES6 module member - write("export "); - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - } - else { - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - if (startIsEmitted) { - emitCommaList(node.declarationList.declarations); - write(";"); - } - else { - var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); - if (atLeastOneItem) { - write(";"); - } - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { - ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); - } - } - function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { - // If we're not exporting the variables, there's nothing special here. - // Always emit comments for these nodes. - if (!(node.flags & 2 /* Export */)) { - return true; - } - // If we are exporting, but it's a top-level ES6 module exports, - // we'll emit the declaration list verbatim, so emit comments too. - if (isES6ExportedDeclaration(node)) { - return true; - } - // Otherwise, only emit if we have at least one initializer present. - for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { - var declaration = _b[_a]; - if (declaration.initializer) { - return true; - } - } - return false; - } - function emitParameter(node) { - if (languageVersion < 2 /* ES6 */) { - if (ts.isBindingPattern(node.name)) { - var name_27 = createTempVariable(0 /* Auto */); - if (!tempParameters) { - tempParameters = []; - } - tempParameters.push(name_27); - emit(name_27); - } - else { - emit(node.name); - } - } - else { - if (node.dotDotDotToken) { - write("..."); - } - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - function emitDefaultValueAssignments(node) { - if (languageVersion < 2 /* ES6 */) { - var tempIndex_1 = 0; - ts.forEach(node.parameters, function (parameter) { - // A rest parameter cannot have a binding pattern or an initializer, - // so let's just ignore it. - if (parameter.dotDotDotToken) { - return; - } - var paramName = parameter.name, initializer = parameter.initializer; - if (ts.isBindingPattern(paramName)) { - // In cases where a binding pattern is simply '[]' or '{}', - // we usually don't want to emit a var declaration; however, in the presence - // of an initializer, we must emit that expression to preserve side effects. - var hasBindingElements = paramName.elements.length > 0; - if (hasBindingElements || initializer) { - writeLine(); - write("var "); - if (hasBindingElements) { - emitDestructuring(parameter, /*isAssignmentExpressionStatement*/ false, tempParameters[tempIndex_1]); - } - else { - emit(tempParameters[tempIndex_1]); - write(" = "); - emit(initializer); - } - write(";"); - tempIndex_1++; - } - } - else if (initializer) { - writeLine(); - emitStart(parameter); - write("if ("); - emitNodeWithoutSourceMap(paramName); - write(" === void 0)"); - emitEnd(parameter); - write(" { "); - emitStart(parameter); - emitNodeWithCommentsAndWithoutSourcemap(paramName); - write(" = "); - emitNodeWithCommentsAndWithoutSourcemap(initializer); - emitEnd(parameter); - write("; }"); - } - }); - } - } - function emitRestParameter(node) { - if (languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node)) { - var restIndex = node.parameters.length - 1; - var restParam = node.parameters[restIndex]; - // A rest parameter cannot have a binding pattern, so let's just ignore it if it does. - if (ts.isBindingPattern(restParam.name)) { - return; - } - var tempName = createTempVariable(268435456 /* _i */).text; - writeLine(); - emitLeadingComments(restParam); - emitStart(restParam); - write("var "); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write(" = [];"); - emitEnd(restParam); - emitTrailingComments(restParam); - writeLine(); - write("for ("); - emitStart(restParam); - write("var " + tempName + " = " + restIndex + ";"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + " < arguments.length;"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + "++"); - emitEnd(restParam); - write(") {"); - increaseIndent(); - writeLine(); - emitStart(restParam); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); - emitEnd(restParam); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitAccessor(node) { - write(node.kind === 146 /* GetAccessor */ ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node); - } - function shouldEmitAsArrowFunction(node) { - return node.kind === 177 /* ArrowFunction */ && languageVersion >= 2 /* ES6 */; - } - function emitDeclarationName(node) { - if (node.name) { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - else { - write(getGeneratedNameForNode(node)); - } - } - function shouldEmitFunctionName(node) { - if (node.kind === 176 /* FunctionExpression */) { - // Emit name if one is present - return !!node.name; - } - if (node.kind === 216 /* FunctionDeclaration */) { - // Emit name if one is present, or emit generated name in down-level case (for export default case) - return !!node.name || modulekind !== 5 /* ES6 */; - } - } - function emitFunctionDeclaration(node) { - if (ts.nodeIsMissing(node.body)) { - return emitCommentsOnNotEmittedNode(node); - } - // TODO (yuisu) : we should not have special cases to condition emitting comments - // but have one place to fix check for these conditions. - var kind = node.kind, parent = node.parent; - if (kind !== 144 /* MethodDeclaration */ && - kind !== 143 /* MethodSignature */ && - parent && - parent.kind !== 248 /* PropertyAssignment */ && - parent.kind !== 171 /* CallExpression */ && - parent.kind !== 167 /* ArrayLiteralExpression */) { - // 1. Methods will emit comments at their assignment declaration sites. - // - // 2. If the function is a property of object literal, emitting leading-comments - // is done by emitNodeWithoutSourceMap which then call this function. - // In particular, we would like to avoid emit comments twice in following case: - // - // var obj = { - // id: - // /*comment*/ () => void - // } - // - // 3. If the function is an argument in call expression, emitting of comments will be - // taken care of in emit list of arguments inside of 'emitCallExpression'. - // - // 4. If the function is in an array literal, 'emitLinePreservingList' will take care - // of leading comments. - emitLeadingComments(node); - } - emitStart(node); - // For targeting below es6, emit functions-like declaration including arrow function using function keyword. - // When targeting ES6, emit arrow function natively in ES6 by omitting function keyword and using fat arrow instead - if (!shouldEmitAsArrowFunction(node)) { - if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512 /* Default */) { - write("default "); - } - } - write("function"); - if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { - write("*"); - } - write(" "); - } - if (shouldEmitFunctionName(node)) { - emitDeclarationName(node); - } - emitSignatureAndBody(node); - if (modulekind !== 5 /* ES6 */ && kind === 216 /* FunctionDeclaration */ && parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - emitEnd(node); - if (kind !== 144 /* MethodDeclaration */ && kind !== 143 /* MethodSignature */) { - emitTrailingComments(node); - } - } - function emitCaptureThisForNodeIfNecessary(node) { - if (resolver.getNodeCheckFlags(node) & 4 /* CaptureThis */) { - writeLine(); - emitStart(node); - write("var _this = this;"); - emitEnd(node); - } - } - function emitSignatureParameters(node) { - increaseIndent(); - write("("); - if (node) { - var parameters = node.parameters; - var omitCount = languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node) ? 1 : 0; - emitList(parameters, 0, parameters.length - omitCount, /*multiLine*/ false, /*trailingComma*/ false); - } - write(")"); - decreaseIndent(); - } - function emitSignatureParametersForArrow(node) { - // Check whether the parameter list needs parentheses and preserve no-parenthesis - if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { - emit(node.parameters[0]); - return; - } - emitSignatureParameters(node); - } - function emitAsyncFunctionBodyForES6(node) { - var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); - var isArrowFunction = node.kind === 177 /* ArrowFunction */; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; - // An async function is emit as an outer function that calls an inner - // generator function. To preserve lexical bindings, we pass the current - // `this` and `arguments` objects to `__awaiter`. The generator function - // passed to `__awaiter` is executed inside of the callback to the - // promise constructor. - // - // The emit for an async arrow without a lexical `arguments` binding might be: - // - // // input - // let a = async (b) => { await b; } - // - // // output - // let a = (b) => __awaiter(this, void 0, void 0, function* () { - // yield b; - // }); - // - // The emit for an async arrow with a lexical `arguments` binding might be: - // - // // input - // let a = async (b) => { await arguments[0]; } - // - // // output - // let a = (b) => __awaiter(this, arguments, void 0, function* (arguments) { - // yield arguments[0]; - // }); - // - // The emit for an async function expression without a lexical `arguments` binding - // might be: - // - // // input - // let a = async function (b) { - // await b; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, void 0, void 0, function* () { - // yield b; - // }); - // } - // - // The emit for an async function expression with a lexical `arguments` binding - // might be: - // - // // input - // let a = async function (b) { - // await arguments[0]; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, arguments, void 0, function* (_arguments) { - // yield _arguments[0]; - // }); - // } - // - // The emit for an async function expression with a lexical `arguments` binding - // and a return type annotation might be: - // - // // input - // let a = async function (b): MyPromise { - // await arguments[0]; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, arguments, MyPromise, function* (_arguments) { - // yield _arguments[0]; - // }); - // } - // - // If this is not an async arrow, emit the opening brace of the function body - // and the start of the return statement. - if (!isArrowFunction) { - write(" {"); - increaseIndent(); - writeLine(); - if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { - writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); - writeLine(); - } - else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { - write("const _super = name => super[name];"); - writeLine(); - } - write("return"); - } - write(" __awaiter(this"); - if (hasLexicalArguments) { - write(", arguments, "); - } - else { - write(", void 0, "); - } - if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */)) { - write("void 0"); - } - else { - emitEntityNameAsExpression(promiseConstructor, /*useFallback*/ false); - } - // Emit the call to __awaiter. - write(", function* ()"); - // Emit the signature and body for the inner generator function. - emitFunctionBody(node); - write(")"); - // If this is not an async arrow, emit the closing brace of the outer function body. - if (!isArrowFunction) { - write(";"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitFunctionBody(node) { - if (!node.body) { - // There can be no body when there are parse errors. Just emit an empty block - // in that case. - write(" { }"); - } - else { - if (node.body.kind === 195 /* Block */) { - emitBlockFunctionBody(node, node.body); - } - else { - emitExpressionFunctionBody(node, node.body); - } - } - } - function emitSignatureAndBody(node) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - // When targeting ES6, emit arrow function natively in ES6 - if (shouldEmitAsArrowFunction(node)) { - emitSignatureParametersForArrow(node); - write(" =>"); - } - else { - emitSignatureParameters(node); - } - var isAsync = ts.isAsyncFunctionLike(node); - if (isAsync) { - emitAsyncFunctionBodyForES6(node); - } - else { - emitFunctionBody(node); - } - if (!isES6ExportedDeclaration(node)) { - emitExportMemberAssignment(node); - } - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - // Returns true if any preamble code was emitted. - function emitFunctionBodyPreamble(node) { - emitCaptureThisForNodeIfNecessary(node); - emitDefaultValueAssignments(node); - emitRestParameter(node); - } - function emitExpressionFunctionBody(node, body) { - if (languageVersion < 2 /* ES6 */ || node.flags & 256 /* Async */) { - emitDownLevelExpressionFunctionBody(node, body); - return; - } - // For es6 and higher we can emit the expression as is. However, in the case - // where the expression might end up looking like a block when emitted, we'll - // also wrap it in parentheses first. For example if you have: a => {} - // then we need to generate: a => ({}) - write(" "); - // Unwrap all type assertions. - var current = body; - while (current.kind === 174 /* TypeAssertionExpression */) { - current = current.expression; - } - emitParenthesizedIf(body, current.kind === 168 /* ObjectLiteralExpression */); - } - function emitDownLevelExpressionFunctionBody(node, body) { - write(" {"); - increaseIndent(); - var outPos = writer.getTextPos(); - emitDetachedCommentsAndUpdateCommentsInfo(node.body); - emitFunctionBodyPreamble(node); - var preambleEmitted = writer.getTextPos() !== outPos; - decreaseIndent(); - // If we didn't have to emit any preamble code, then attempt to keep the arrow - // function on one line. - if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { - write(" "); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTempDeclarations(/*newLine*/ false); - write(" "); - } - else { - increaseIndent(); - writeLine(); - emitLeadingComments(node.body); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTrailingComments(node.body); - emitTempDeclarations(/*newLine*/ true); - decreaseIndent(); - writeLine(); - } - emitStart(node.body); - write("}"); - emitEnd(node.body); - } - function emitBlockFunctionBody(node, body) { - write(" {"); - var initialTextPos = writer.getTextPos(); - increaseIndent(); - emitDetachedCommentsAndUpdateCommentsInfo(body.statements); - // Emit all the directive prologues (like "use strict"). These have to come before - // any other preamble code we write (like parameter initializers). - var startIndex = emitDirectivePrologues(body.statements, /*startWithNewLine*/ true); - emitFunctionBodyPreamble(node); - decreaseIndent(); - var preambleEmitted = writer.getTextPos() !== initialTextPos; - if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - write(" "); - emit(statement); - } - emitTempDeclarations(/*newLine*/ false); - write(" "); - emitLeadingCommentsOfPosition(body.statements.end); - } - else { - increaseIndent(); - emitLinesStartingAt(body.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - writeLine(); - emitLeadingCommentsOfPosition(body.statements.end); - decreaseIndent(); - } - emitToken(16 /* CloseBraceToken */, body.statements.end); - } - /** - * Return the statement at a given index if it is a super-call statement - * @param ctor a constructor declaration - * @param index an index to constructor's body to check - */ - function getSuperCallAtGivenIndex(ctor, index) { - if (!ctor.body) { - return undefined; - } - var statements = ctor.body.statements; - if (!statements || index >= statements.length) { - return undefined; - } - var statement = statements[index]; - if (statement.kind === 198 /* ExpressionStatement */) { - return ts.isSuperCallExpression(statement.expression) ? statement : undefined; - } - } - function emitParameterPropertyAssignments(node) { - ts.forEach(node.parameters, function (param) { - if (param.flags & 56 /* AccessibilityModifier */) { - writeLine(); - emitStart(param); - emitStart(param.name); - write("this."); - emitNodeWithoutSourceMap(param.name); - emitEnd(param.name); - write(" = "); - emit(param.name); - write(";"); - emitEnd(param); - } - }); - } - function emitMemberAccessForPropertyName(memberName) { - // This does not emit source map because it is emitted by caller as caller - // is aware how the property name changes to the property access - // eg. public x = 10; becomes this.x and static x = 10 becomes className.x - if (memberName.kind === 9 /* StringLiteral */ || memberName.kind === 8 /* NumericLiteral */) { - write("["); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - write("]"); - } - else if (memberName.kind === 137 /* ComputedPropertyName */) { - emitComputedPropertyName(memberName); - } - else { - write("."); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - } - } - function getInitializedProperties(node, isStatic) { - var properties = []; - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if (member.kind === 142 /* PropertyDeclaration */ && isStatic === ((member.flags & 64 /* Static */) !== 0) && member.initializer) { - properties.push(member); - } - } - return properties; - } - function emitPropertyDeclarations(node, properties) { - for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { - var property = properties_6[_a]; - emitPropertyDeclaration(node, property); - } - } - function emitPropertyDeclaration(node, property, receiver, isExpression) { - writeLine(); - emitLeadingComments(property); - emitStart(property); - emitStart(property.name); - if (receiver) { - emit(receiver); - } - else { - if (property.flags & 64 /* Static */) { - emitDeclarationName(node); - } - else { - write("this"); - } - } - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - emit(property.initializer); - if (!isExpression) { - write(";"); - } - emitEnd(property); - emitTrailingComments(property); - } - function emitMemberFunctionsForES5AndLower(node) { - ts.forEach(node.members, function (member) { - if (member.kind === 194 /* SemicolonClassElement */) { - writeLine(); - write(";"); - } - else if (member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) { - if (!member.body) { - return emitCommentsOnNotEmittedNode(member); - } - writeLine(); - emitLeadingComments(member); - emitStart(member); - emitStart(member.name); - emitClassMemberPrefix(node, member); - emitMemberAccessForPropertyName(member.name); - emitEnd(member.name); - write(" = "); - emitFunctionDeclaration(member); - emitEnd(member); - write(";"); - emitTrailingComments(member); - } - else if (member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - writeLine(); - emitStart(member); - write("Object.defineProperty("); - emitStart(member.name); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - emitEnd(member.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("});"); - emitEnd(member); - } - } - }); - } - function emitMemberFunctionsForES6AndHigher(node) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - else if (member.kind === 144 /* MethodDeclaration */ || - member.kind === 146 /* GetAccessor */ || - member.kind === 147 /* SetAccessor */) { - writeLine(); - emitLeadingComments(member); - emitStart(member); - if (member.flags & 64 /* Static */) { - write("static "); - } - if (member.kind === 146 /* GetAccessor */) { - write("get "); - } - else if (member.kind === 147 /* SetAccessor */) { - write("set "); - } - if (member.asteriskToken) { - write("*"); - } - emit(member.name); - emitSignatureAndBody(member); - emitEnd(member); - emitTrailingComments(member); - } - else if (member.kind === 194 /* SemicolonClassElement */) { - writeLine(); - write(";"); - } - } - } - function emitConstructor(node, baseTypeElement) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - emitConstructorWorker(node, baseTypeElement); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitConstructorWorker(node, baseTypeElement) { - // Check if we have property assignment inside class declaration. - // If there is property assignment, we need to emit constructor whether users define it or not - // If there is no property assignment, we can omit constructor if users do not define it - var hasInstancePropertyWithInitializer = false; - // Emit the constructor overload pinned comments - ts.forEach(node.members, function (member) { - if (member.kind === 145 /* Constructor */ && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - // Check if there is any non-static property assignment - if (member.kind === 142 /* PropertyDeclaration */ && member.initializer && (member.flags & 64 /* Static */) === 0) { - hasInstancePropertyWithInitializer = true; - } - }); - var ctor = ts.getFirstConstructorWithBody(node); - // For target ES6 and above, if there is no user-defined constructor and there is no property assignment - // do not emit constructor in class declaration. - if (languageVersion >= 2 /* ES6 */ && !ctor && !hasInstancePropertyWithInitializer) { - return; - } - if (ctor) { - emitLeadingComments(ctor); - } - emitStart(ctor || node); - if (languageVersion < 2 /* ES6 */) { - write("function "); - emitDeclarationName(node); - emitSignatureParameters(ctor); - } - else { - write("constructor"); - if (ctor) { - emitSignatureParameters(ctor); - } - else { - // Based on EcmaScript6 section 14.5.14: Runtime Semantics: ClassDefinitionEvaluation. - // If constructor is empty, then, - // If ClassHeritageopt is present, then - // Let constructor be the result of parsing the String "constructor(... args){ super (...args);}" using the syntactic grammar with the goal symbol MethodDefinition. - // Else, - // Let constructor be the result of parsing the String "constructor( ){ }" using the syntactic grammar with the goal symbol MethodDefinition - if (baseTypeElement) { - write("(...args)"); - } - else { - write("()"); - } - } - } - var startIndex = 0; - write(" {"); - increaseIndent(); - if (ctor) { - // Emit all the directive prologues (like "use strict"). These have to come before - // any other preamble code we write (like parameter initializers). - startIndex = emitDirectivePrologues(ctor.body.statements, /*startWithNewLine*/ true); - emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); - } - emitCaptureThisForNodeIfNecessary(node); - var superCall; - if (ctor) { - emitDefaultValueAssignments(ctor); - emitRestParameter(ctor); - if (baseTypeElement) { - superCall = getSuperCallAtGivenIndex(ctor, startIndex); - if (superCall) { - writeLine(); - emit(superCall); - } - } - emitParameterPropertyAssignments(ctor); - } - else { - if (baseTypeElement) { - writeLine(); - emitStart(baseTypeElement); - if (languageVersion < 2 /* ES6 */) { - write("_super.apply(this, arguments);"); - } - else { - write("super(...args);"); - } - emitEnd(baseTypeElement); - } - } - emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ false)); - if (ctor) { - var statements = ctor.body.statements; - if (superCall) { - statements = statements.slice(1); - } - emitLinesStartingAt(statements, startIndex); - } - emitTempDeclarations(/*newLine*/ true); - writeLine(); - if (ctor) { - emitLeadingCommentsOfPosition(ctor.body.statements.end); - } - decreaseIndent(); - emitToken(16 /* CloseBraceToken */, ctor ? ctor.body.statements.end : node.members.end); - emitEnd(ctor || node); - if (ctor) { - emitTrailingComments(ctor); - } - } - function emitClassExpression(node) { - return emitClassLikeDeclaration(node); - } - function emitClassDeclaration(node) { - return emitClassLikeDeclaration(node); - } - function emitClassLikeDeclaration(node) { - if (languageVersion < 2 /* ES6 */) { - emitClassLikeDeclarationBelowES6(node); - } - else { - emitClassLikeDeclarationForES6AndHigher(node); - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - } - function emitClassLikeDeclarationForES6AndHigher(node) { - var decoratedClassAlias; - var thisNodeIsDecorated = ts.nodeIsDecorated(node); - if (node.kind === 217 /* ClassDeclaration */) { - if (thisNodeIsDecorated) { - // When we emit an ES6 class that has a class decorator, we must tailor the - // emit to certain specific cases. - // - // In the simplest case, we emit the class declaration as a let declaration, and - // evaluate decorators after the close of the class body: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C = class C { - // class C { | } - // } | C = __decorate([dec], C); - // --------------------------------|------------------------------------ - // @dec | export let C = class C { - // export class C { | } - // } | C = __decorate([dec], C); - // --------------------------------------------------------------------- - // [Example 1] - // - // If a class declaration contains a reference to itself *inside* of the class body, - // this introduces two bindings to the class: One outside of the class body, and one - // inside of the class body. If we apply decorators as in [Example 1] above, there - // is the possibility that the decorator `dec` will return a new value for the - // constructor, which would result in the binding inside of the class no longer - // pointing to the same reference as the binding outside of the class. - // - // As a result, we must instead rewrite all references to the class *inside* of the - // class body to instead point to a local temporary alias for the class: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C_1; - // class C { | let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // --------------------------------|------------------------------------ - // @dec | let C_1; - // export class C { | export let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // --------------------------------------------------------------------- - // [Example 2] - // - // If a class declaration is the default export of a module, we instead emit - // the export after the decorated declaration: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let default_1 = class { - // export default class { | } - // } | default_1 = __decorate([dec], default_1); - // | export default default_1; - // --------------------------------|------------------------------------ - // @dec | let C = class C { - // export default class { | } - // } | C = __decorate([dec], C); - // | export default C; - // --------------------------------------------------------------------- - // [Example 3] - // - // If the class declaration is the default export and a reference to itself - // inside of the class body, we must emit both an alias for the class *and* - // move the export after the declaration: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C_1; - // export default class C { | let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // | export default C; - // --------------------------------------------------------------------- - // [Example 4] - // - if (resolver.getNodeCheckFlags(node) & 524288 /* ClassWithBodyScopedClassBinding */) { - decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); - decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; - write("let " + decoratedClassAlias + ";"); - writeLine(); - } - if (isES6ExportedDeclaration(node) && !(node.flags & 512 /* Default */)) { - write("export "); - } - write("let "); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = "); - } - else if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512 /* Default */) { - write("default "); - } - } - } - // If the class has static properties, and it's a class expression, then we'll need - // to specialize the emit a bit. for a class expression of the form: - // - // class C { static a = 1; static b = 2; ... } - // - // We'll emit: - // - // (_temp = class C { ... }, _temp.a = 1, _temp.b = 2, _temp) - // - // This keeps the expression as an expression, while ensuring that the static parts - // of it have been initialized by the time it is used. - var staticProperties = getInitializedProperties(node, /*isStatic*/ true); - var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189 /* ClassExpression */; - var tempVariable; - if (isClassExpressionWithStaticProperties) { - tempVariable = createAndRecordTempVariable(0 /* Auto */); - write("("); - increaseIndent(); - emit(tempVariable); - write(" = "); - } - write("class"); - // emit name if - // - node has a name - // - this is default export with static initializers - if (node.name || (node.flags & 512 /* Default */ && (staticProperties.length > 0 || modulekind !== 5 /* ES6 */) && !thisNodeIsDecorated)) { - write(" "); - emitDeclarationName(node); - } - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write(" extends "); - emit(baseTypeNode.expression); - } - write(" {"); - increaseIndent(); - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES6AndHigher(node); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - if (thisNodeIsDecorated) { - decoratedClassAliases[ts.getNodeId(node)] = undefined; - write(";"); - } - // Emit static property assignment. Because classDeclaration is lexically evaluated, - // it is safe to emit static property assignment after classDeclaration - // From ES6 specification: - // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using - // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration. - if (isClassExpressionWithStaticProperties) { - for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { - var property = staticProperties_1[_a]; - write(","); - writeLine(); - emitPropertyDeclaration(node, property, /*receiver*/ tempVariable, /*isExpression*/ true); - } - write(","); - writeLine(); - emit(tempVariable); - decreaseIndent(); - write(")"); - } - else { - writeLine(); - emitPropertyDeclarations(node, staticProperties); - emitDecoratorsOfClass(node, decoratedClassAlias); - } - if (!(node.flags & 2 /* Export */)) { - return; - } - if (modulekind !== 5 /* ES6 */) { - emitExportMemberAssignment(node); - } - else { - // If this is an exported class, but not on the top level (i.e. on an internal - // module), export it - if (node.flags & 512 /* Default */) { - // if this is a top level default export of decorated class, write the export after the declaration. - if (thisNodeIsDecorated) { - writeLine(); - write("export default "); - emitDeclarationName(node); - write(";"); - } - } - else if (node.parent.kind !== 251 /* SourceFile */) { - writeLine(); - emitStart(node); - emitModuleMemberName(node); - write(" = "); - emitDeclarationName(node); - emitEnd(node); - write(";"); - } - } - } - function emitClassLikeDeclarationBelowES6(node) { - if (node.kind === 217 /* ClassDeclaration */) { - // source file level classes in system modules are hoisted so 'var's for them are already defined - if (!shouldHoistDeclarationInSystemJsModule(node)) { - write("var "); - } - emitDeclarationName(node); - write(" = "); - } - write("(function ("); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write("_super"); - } - write(") {"); - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; - var saveConvertedLoopState = convertedLoopState; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - computedPropertyNamesToGeneratedNames = undefined; - increaseIndent(); - if (baseTypeNode) { - writeLine(); - emitStart(baseTypeNode); - write("__extends("); - emitDeclarationName(node); - write(", _super);"); - emitEnd(baseTypeNode); - } - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES5AndLower(node); - emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ true)); - writeLine(); - emitDecoratorsOfClass(node, /*decoratedClassAlias*/ undefined); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end, function () { - write("return "); - emitDeclarationName(node); - }); - write(";"); - emitTempDeclarations(/*newLine*/ true); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - emitStart(node); - write("("); - if (baseTypeNode) { - emit(baseTypeNode.expression); - } - write("))"); - if (node.kind === 217 /* ClassDeclaration */) { - write(";"); - } - emitEnd(node); - if (node.kind === 217 /* ClassDeclaration */) { - emitExportMemberAssignment(node); - } - } - function emitClassMemberPrefix(node, member) { - emitDeclarationName(node); - if (!(member.flags & 64 /* Static */)) { - write(".prototype"); - } - } - function emitDecoratorsOfClass(node, decoratedClassAlias) { - emitDecoratorsOfMembers(node, /*staticFlag*/ 0); - emitDecoratorsOfMembers(node, 64 /* Static */); - emitDecoratorsOfConstructor(node, decoratedClassAlias); - } - function emitDecoratorsOfConstructor(node, decoratedClassAlias) { - var decorators = node.decorators; - var constructor = ts.getFirstConstructorWithBody(node); - var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); - // skip decoration of the constructor if neither it nor its parameters are decorated - if (!decorators && !firstParameterDecorator) { - return; - } - // Emit the call to __decorate. Given the class: - // - // @dec - // class C { - // } - // - // The emit for the class is: - // - // C = __decorate([dec], C); - // - writeLine(); - emitStart(node.decorators || firstParameterDecorator); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = __decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(constructor, /*leadingComma*/ argumentsWritten > 0); - } - emitSerializedTypeMetadata(node, /*leadingComma*/ argumentsWritten >= 0); - decreaseIndent(); - writeLine(); - write("], "); - emitDeclarationName(node); - write(")"); - emitEnd(node.decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - function emitDecoratorsOfMembers(node, staticFlag) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - // only emit members in the correct group - if ((member.flags & 64 /* Static */) !== staticFlag) { - continue; - } - // skip members that cannot be decorated (such as the constructor) - if (!ts.nodeCanBeDecorated(member)) { - continue; - } - // skip an accessor declaration if it is not the first accessor - var decorators = void 0; - var functionLikeMember = void 0; - if (ts.isAccessor(member)) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member !== accessors.firstAccessor) { - continue; - } - // get the decorators from the first accessor with decorators - decorators = accessors.firstAccessor.decorators; - if (!decorators && accessors.secondAccessor) { - decorators = accessors.secondAccessor.decorators; - } - // we only decorate parameters of the set accessor - functionLikeMember = accessors.setAccessor; - } - else { - decorators = member.decorators; - // we only decorate the parameters here if this is a method - if (member.kind === 144 /* MethodDeclaration */) { - functionLikeMember = member; - } - } - var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); - // skip a member if it or any of its parameters are not decorated - if (!decorators && !firstParameterDecorator) { - continue; - } - // Emit the call to __decorate. Given the following: - // - // class C { - // @dec method(@dec2 x) {} - // @dec get accessor() {} - // @dec prop; - // } - // - // The emit for a method is: - // - // __decorate([ - // dec, - // __param(0, dec2), - // __metadata("design:type", Function), - // __metadata("design:paramtypes", [Object]), - // __metadata("design:returntype", void 0) - // ], C.prototype, "method", undefined); - // - // The emit for an accessor is: - // - // __decorate([ - // dec - // ], C.prototype, "accessor", undefined); - // - // The emit for a property is: - // - // __decorate([ - // dec - // ], C.prototype, "prop"); - // - writeLine(); - emitStart(decorators || firstParameterDecorator); - write("__decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); - } - emitSerializedTypeMetadata(member, argumentsWritten > 0); - decreaseIndent(); - writeLine(); - write("], "); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - if (languageVersion > 0 /* ES3 */) { - if (member.kind !== 142 /* PropertyDeclaration */) { - // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly. - // We have this extra argument here so that we can inject an explicit property descriptor at a later date. - write(", null"); - } - else { - // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it - // should not invoke `Object.getOwnPropertyDescriptor`. - write(", void 0"); - } - } - write(")"); - emitEnd(decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - } - function emitDecoratorsOfParameters(node, leadingComma) { - var argumentsWritten = 0; - if (node) { - var parameterIndex_1 = 0; - for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { - var parameter = _b[_a]; - if (ts.nodeIsDecorated(parameter)) { - var decorators = parameter.decorators; - argumentsWritten += emitList(decorators, 0, decorators.length, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ leadingComma, /*noTrailingNewLine*/ true, function (decorator) { - write("__param(" + parameterIndex_1 + ", "); - emit(decorator.expression); - write(")"); - }); - leadingComma = true; - } - parameterIndex_1++; - } - } - return argumentsWritten; - } - function shouldEmitTypeMetadata(node) { - // This method determines whether to emit the "design:type" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 142 /* PropertyDeclaration */: - return true; - } - return false; - } - function shouldEmitReturnTypeMetadata(node) { - // This method determines whether to emit the "design:returntype" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 144 /* MethodDeclaration */: - return true; - } - return false; - } - function shouldEmitParamTypesMetadata(node) { - // This method determines whether to emit the "design:paramtypes" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 144 /* MethodDeclaration */: - case 147 /* SetAccessor */: - return true; - } - return false; - } - /** Serializes the type of a declaration to an appropriate JS constructor value. Used by the __metadata decorator for a class member. */ - function emitSerializedTypeOfNode(node) { - // serialization of the type of a declaration uses the following rules: - // - // * The serialized type of a ClassDeclaration is "Function" - // * The serialized type of a ParameterDeclaration is the serialized type of its type annotation. - // * The serialized type of a PropertyDeclaration is the serialized type of its type annotation. - // * The serialized type of an AccessorDeclaration is the serialized type of the return type annotation of its getter or parameter type annotation of its setter. - // * The serialized type of any other FunctionLikeDeclaration is "Function". - // * The serialized type of any other node is "void 0". - // - // For rules on serializing type annotations, see `serializeTypeNode`. - switch (node.kind) { - case 217 /* ClassDeclaration */: - write("Function"); - return; - case 142 /* PropertyDeclaration */: - emitSerializedTypeNode(node.type); - return; - case 139 /* Parameter */: - emitSerializedTypeNode(node.type); - return; - case 146 /* GetAccessor */: - emitSerializedTypeNode(node.type); - return; - case 147 /* SetAccessor */: - emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - return; - } - if (ts.isFunctionLike(node)) { - write("Function"); - return; - } - write("void 0"); - } - function emitSerializedTypeNode(node) { - if (node) { - switch (node.kind) { - case 103 /* VoidKeyword */: - write("void 0"); - return; - case 161 /* ParenthesizedType */: - emitSerializedTypeNode(node.type); - return; - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - write("Function"); - return; - case 157 /* ArrayType */: - case 158 /* TupleType */: - write("Array"); - return; - case 151 /* TypePredicate */: - case 120 /* BooleanKeyword */: - write("Boolean"); - return; - case 130 /* StringKeyword */: - case 163 /* StringLiteralType */: - write("String"); - return; - case 128 /* NumberKeyword */: - write("Number"); - return; - case 131 /* SymbolKeyword */: - write("Symbol"); - return; - case 152 /* TypeReference */: - emitSerializedTypeReferenceNode(node); - return; - case 155 /* TypeQuery */: - case 156 /* TypeLiteral */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - case 117 /* AnyKeyword */: - case 162 /* ThisType */: - break; - default: - ts.Debug.fail("Cannot serialize unexpected type node."); - break; - } - } - write("Object"); - } - /** Serializes a TypeReferenceNode to an appropriate JS constructor value. Used by the __metadata decorator. */ - function emitSerializedTypeReferenceNode(node) { - var location = node.parent; - while (ts.isDeclaration(location) || ts.isTypeNode(location)) { - location = location.parent; - } - // Clone the type name and parent it to a location outside of the current declaration. - var typeName = ts.cloneEntityName(node.typeName, location); - var result = resolver.getTypeReferenceSerializationKind(typeName); - switch (result) { - case ts.TypeReferenceSerializationKind.Unknown: - var temp = createAndRecordTempVariable(0 /* Auto */); - write("(typeof ("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(typeName, /*useFallback*/ true); - write(") === 'function' && "); - emitNodeWithoutSourceMap(temp); - write(") || Object"); - break; - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - emitEntityNameAsExpression(typeName, /*useFallback*/ false); - break; - case ts.TypeReferenceSerializationKind.VoidType: - write("void 0"); - break; - case ts.TypeReferenceSerializationKind.BooleanType: - write("Boolean"); - break; - case ts.TypeReferenceSerializationKind.NumberLikeType: - write("Number"); - break; - case ts.TypeReferenceSerializationKind.StringLikeType: - write("String"); - break; - case ts.TypeReferenceSerializationKind.ArrayLikeType: - write("Array"); - break; - case ts.TypeReferenceSerializationKind.ESSymbolType: - if (languageVersion < 2 /* ES6 */) { - write("typeof Symbol === 'function' ? Symbol : Object"); - } - else { - write("Symbol"); - } - break; - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - write("Function"); - break; - case ts.TypeReferenceSerializationKind.ObjectType: - write("Object"); - break; - } - } - /** Serializes the parameter types of a function or the constructor of a class. Used by the __metadata decorator for a method or set accessor. */ - function emitSerializedParameterTypesOfNode(node) { - // serialization of parameter types uses the following rules: - // - // * If the declaration is a class, the parameters of the first constructor with a body are used. - // * If the declaration is function-like and has a body, the parameters of the function are used. - // - // For the rules on serializing the type of each parameter declaration, see `serializeTypeOfDeclaration`. - if (node) { - var valueDeclaration = void 0; - if (node.kind === 217 /* ClassDeclaration */) { - valueDeclaration = ts.getFirstConstructorWithBody(node); - } - else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { - valueDeclaration = node; - } - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var parameterCount = parameters.length; - if (parameterCount > 0) { - for (var i = 0; i < parameterCount; i++) { - if (i > 0) { - write(", "); - } - if (parameters[i].dotDotDotToken) { - var parameterType = parameters[i].type; - if (parameterType.kind === 157 /* ArrayType */) { - parameterType = parameterType.elementType; - } - else if (parameterType.kind === 152 /* TypeReference */ && parameterType.typeArguments && parameterType.typeArguments.length === 1) { - parameterType = parameterType.typeArguments[0]; - } - else { - parameterType = undefined; - } - emitSerializedTypeNode(parameterType); - } - else { - emitSerializedTypeOfNode(parameters[i]); - } - } - } - } - } - } - /** Serializes the return type of function. Used by the __metadata decorator for a method. */ - function emitSerializedReturnTypeOfNode(node) { - if (node && ts.isFunctionLike(node) && node.type) { - emitSerializedTypeNode(node.type); - return; - } - write("void 0"); - } - function emitSerializedTypeMetadata(node, writeComma) { - // This method emits the serialized type metadata for a decorator target. - // The caller should have already tested whether the node has decorators. - var argumentsWritten = 0; - if (compilerOptions.emitDecoratorMetadata) { - if (shouldEmitTypeMetadata(node)) { - if (writeComma) { - write(", "); - } - writeLine(); - write("__metadata('design:type', "); - emitSerializedTypeOfNode(node); - write(")"); - argumentsWritten++; - } - if (shouldEmitParamTypesMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:paramtypes', ["); - emitSerializedParameterTypesOfNode(node); - write("])"); - argumentsWritten++; - } - if (shouldEmitReturnTypeMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:returntype', "); - emitSerializedReturnTypeOfNode(node); - write(")"); - argumentsWritten++; - } - } - return argumentsWritten; - } - function emitInterfaceDeclaration(node) { - emitCommentsOnNotEmittedNode(node); - } - function shouldEmitEnumDeclaration(node) { - var isConstEnum = ts.isConst(node); - return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; - } - function emitEnumDeclaration(node) { - // const enums are completely erased during compilation. - if (!shouldEmitEnumDeclaration(node)) { - return; - } - if (!shouldHoistDeclarationInSystemJsModule(node)) { - // do not emit var if variable was already hoisted - var isES6ExportedEnum = isES6ExportedDeclaration(node); - if (!(node.flags & 2 /* Export */) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220 /* EnumDeclaration */))) { - emitStart(node); - if (isES6ExportedEnum) { - write("export "); - } - write("var "); - emit(node.name); - emitEnd(node); - write(";"); - } - } - writeLine(); - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") {"); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - write(")("); - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.flags & 2 /* Export */ && !shouldHoistDeclarationInSystemJsModule(node)) { - // do not emit var if variable was already hoisted - writeLine(); - emitStart(node); - write("var "); - emit(node.name); - write(" = "); - emitModuleMemberName(node); - emitEnd(node); - write(";"); - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { - if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { - // write the call to exporter for enum - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function emitEnumMember(node) { - var enumParent = node.parent; - emitStart(node); - write(getGeneratedNameForNode(enumParent)); - write("["); - write(getGeneratedNameForNode(enumParent)); - write("["); - emitExpressionForPropertyName(node.name); - write("] = "); - writeEnumMemberDeclarationValue(node); - write("] = "); - emitExpressionForPropertyName(node.name); - emitEnd(node); - write(";"); - } - function writeEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - write(value.toString()); - return; - } - else if (member.initializer) { - emit(member.initializer); - } - else { - write("undefined"); - } - } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } - } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isModuleMergedWithES6Class(node) { - return languageVersion === 2 /* ES6 */ && !!(resolver.getNodeCheckFlags(node) & 32768 /* LexicalModuleMergesWithClass */); - } - function isFirstDeclarationOfKind(node, declarations, kind) { - return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); - } - function emitModuleDeclaration(node) { - // Emit only if this module is non-ambient. - var shouldEmit = shouldEmitModuleDeclaration(node); - if (!shouldEmit) { - return emitCommentsOnNotEmittedNode(node); - } - var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); - var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); - if (emitVarForModule) { - var isES6ExportedNamespace = isES6ExportedDeclaration(node); - if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221 /* ModuleDeclaration */)) { - emitStart(node); - if (isES6ExportedNamespace) { - write("export "); - } - write("var "); - emit(node.name); - write(";"); - emitEnd(node); - writeLine(); - } - } - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") "); - if (node.body.kind === 222 /* ModuleBlock */) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - emit(node.body); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - } - else { - write("{"); - increaseIndent(); - emitCaptureThisForNodeIfNecessary(node); - writeLine(); - emit(node.body); - decreaseIndent(); - writeLine(); - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - emitToken(16 /* CloseBraceToken */, moduleBlock.statements.end); - } - write(")("); - // write moduleDecl = containingModule.m only if it is not exported es6 module member - if ((node.flags & 2 /* Export */) && !isES6ExportedDeclaration(node)) { - emit(node.name); - write(" = "); - } - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.name.kind === 69 /* Identifier */ && node.parent === currentSourceFile) { - if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - /* - * Some bundlers (SystemJS builder) sometimes want to rename dependencies. - * Here we check if alternative name was provided for a given moduleName and return it if possible. - */ - function tryRenameExternalModule(moduleName) { - if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { - return "\"" + renamedDependencies[moduleName.text] + "\""; - } - return undefined; - } - function emitRequire(moduleName) { - if (moduleName.kind === 9 /* StringLiteral */) { - write("require("); - var text = tryRenameExternalModule(moduleName); - if (text) { - write(text); - } - else { - emitStart(moduleName); - emitLiteral(moduleName); - emitEnd(moduleName); - } - emitToken(18 /* CloseParenToken */, moduleName.end); - } - else { - write("require()"); - } - } - function getNamespaceDeclarationNode(node) { - if (node.kind === 224 /* ImportEqualsDeclaration */) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227 /* NamespaceImport */) { - return importClause.namedBindings; - } - } - function isDefaultImport(node) { - return node.kind === 225 /* ImportDeclaration */ && node.importClause && !!node.importClause.name; - } - function emitExportImportAssignments(node) { - if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - emitExportMemberAssignments(node.name); - } - ts.forEachChild(node, emitExportImportAssignments); - } - function emitImportDeclaration(node) { - if (modulekind !== 5 /* ES6 */) { - return emitExternalImportDeclaration(node); - } - // ES6 import - if (node.importClause) { - var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); - var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, /* checkChildren */ true); - if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { - write("import "); - emitStart(node.importClause); - if (shouldEmitDefaultBindings) { - emit(node.importClause.name); - if (shouldEmitNamedBindings) { - write(", "); - } - } - if (shouldEmitNamedBindings) { - emitLeadingComments(node.importClause.namedBindings); - emitStart(node.importClause.namedBindings); - if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { - write("* as "); - emit(node.importClause.namedBindings.name); - } - else { - write("{ "); - emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); - write(" }"); - } - emitEnd(node.importClause.namedBindings); - emitTrailingComments(node.importClause.namedBindings); - } - emitEnd(node.importClause); - write(" from "); - emit(node.moduleSpecifier); - write(";"); - } - } - else { - write("import "); - emit(node.moduleSpecifier); - write(";"); - } - } - function emitExternalImportDeclaration(node) { - if (ts.contains(externalImports, node)) { - var isExportedImport = node.kind === 224 /* ImportEqualsDeclaration */ && (node.flags & 2 /* Export */) !== 0; - var namespaceDeclaration = getNamespaceDeclarationNode(node); - var varOrConst = (languageVersion <= 1 /* ES5 */) ? "var " : "const "; - if (modulekind !== 2 /* AMD */) { - emitLeadingComments(node); - emitStart(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - // import x = require("foo") - // import * as x from "foo" - if (!isExportedImport) { - write(varOrConst); - } - ; - emitModuleMemberName(namespaceDeclaration); - write(" = "); - } - else { - // import "foo" - // import x from "foo" - // import { x, y } from "foo" - // import d, * as x from "foo" - // import d, { x, y } from "foo" - var isNakedImport = 225 /* ImportDeclaration */ && !node.importClause; - if (!isNakedImport) { - write(varOrConst); - write(getGeneratedNameForNode(node)); - write(" = "); - } - } - emitRequire(ts.getExternalModuleName(node)); - if (namespaceDeclaration && isDefaultImport(node)) { - // import d, * as x from "foo" - write(", "); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - else { - if (isExportedImport) { - emitModuleMemberName(namespaceDeclaration); - write(" = "); - emit(namespaceDeclaration.name); - write(";"); - } - else if (namespaceDeclaration && isDefaultImport(node)) { - // import d, * as x from "foo" - write(varOrConst); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - write(";"); - } - emitExportImportAssignments(node); - } - } - } - function emitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - emitExternalImportDeclaration(node); - return; - } - // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when - // - current file is not external module - // - import declaration is top level and target is value imported by entity name - if (resolver.isReferencedAliasDeclaration(node) || - (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { - emitLeadingComments(node); - emitStart(node); - // variable declaration for import-equals declaration can be hoisted in system modules - // in this case 'var' should be omitted and emit should contain only initialization - var variableDeclarationIsHoisted = shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ true); - // is it top level export import v = a.b.c in system module? - // if yes - it needs to be rewritten as exporter('v', v = a.b.c) - var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ true); - if (!variableDeclarationIsHoisted) { - ts.Debug.assert(!isExported); - if (isES6ExportedDeclaration(node)) { - write("export "); - write("var "); - } - else if (!(node.flags & 2 /* Export */)) { - write("var "); - } - } - if (isExported) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.name); - write("\", "); - } - emitModuleMemberName(node); - write(" = "); - emit(node.moduleReference); - if (isExported) { - write(")"); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - } - function emitExportDeclaration(node) { - ts.Debug.assert(modulekind !== 4 /* System */); - if (modulekind !== 5 /* ES6 */) { - if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { - emitStart(node); - var generatedName = getGeneratedNameForNode(node); - if (node.exportClause) { - // export { x, y, ... } from "foo" - if (modulekind !== 2 /* AMD */) { - write("var "); - write(generatedName); - write(" = "); - emitRequire(ts.getExternalModuleName(node)); - write(";"); - } - for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { - var specifier = _b[_a]; - if (resolver.isValueAliasDeclaration(specifier)) { - writeLine(); - emitStart(specifier); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write(" = "); - write(generatedName); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); - write(";"); - emitEnd(specifier); - } - } - } - else { - // export * from "foo" - if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - writeLine(); - write("__export("); - if (modulekind !== 2 /* AMD */) { - emitRequire(ts.getExternalModuleName(node)); - } - else { - write(generatedName); - } - write(");"); - } - } - emitEnd(node); - } - } - else { - if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { - write("export "); - if (node.exportClause) { - // export { x, y, ... } - write("{ "); - emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emit(node.moduleSpecifier); - } - write(";"); - } - } - } - function emitExportOrImportSpecifierList(specifiers, shouldEmit) { - ts.Debug.assert(modulekind === 5 /* ES6 */); - var needsComma = false; - for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { - var specifier = specifiers_1[_a]; - if (shouldEmit(specifier)) { - if (needsComma) { - write(", "); - } - if (specifier.propertyName) { - emit(specifier.propertyName); - write(" as "); - } - emit(specifier.name); - needsComma = true; - } - } - } - function emitExportAssignment(node) { - if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { - if (modulekind === 5 /* ES6 */) { - writeLine(); - emitStart(node); - write("export default "); - var expression = node.expression; - emit(expression); - if (expression.kind !== 216 /* FunctionDeclaration */ && - expression.kind !== 217 /* ClassDeclaration */) { - write(";"); - } - emitEnd(node); - } - else { - writeLine(); - emitStart(node); - if (modulekind === 4 /* System */) { - write(exportFunctionForFile + "(\"default\","); - emit(node.expression); - write(")"); - } - else { - emitEs6ExportDefaultCompat(node); - emitContainingModuleName(node); - if (languageVersion === 0 /* ES3 */) { - write("[\"default\"] = "); - } - else { - write(".default = "); - } - emit(node.expression); - } - write(";"); - emitEnd(node); - } - } - } - function collectExternalModuleInfo(sourceFile) { - externalImports = []; - exportSpecifiers = {}; - exportEquals = undefined; - hasExportStarsToExportValues = false; - for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { - var node = _b[_a]; - switch (node.kind) { - case 225 /* ImportDeclaration */: - if (!node.importClause || - resolver.isReferencedAliasDeclaration(node.importClause, /*checkChildren*/ true)) { - // import "mod" - // import x from "mod" where x is referenced - // import * as x from "mod" where x is referenced - // import { x, y } from "mod" where at least one import is referenced - externalImports.push(node); - } - break; - case 224 /* ImportEqualsDeclaration */: - if (node.moduleReference.kind === 235 /* ExternalModuleReference */ && resolver.isReferencedAliasDeclaration(node)) { - // import x = require("mod") where x is referenced - externalImports.push(node); - } - break; - case 231 /* ExportDeclaration */: - if (node.moduleSpecifier) { - if (!node.exportClause) { - // export * from "mod" - if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - } - else if (resolver.isValueAliasDeclaration(node)) { - // export { x, y } from "mod" where at least one export is a value symbol - externalImports.push(node); - } - } - else { - // export { x, y } - for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { - var specifier = _d[_c]; - var name_28 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); - } - } - break; - case 230 /* ExportAssignment */: - if (node.isExportEquals && !exportEquals) { - // export = x - exportEquals = node; - } - break; - } - } - } - function emitExportStarHelper() { - if (hasExportStarsToExportValues) { - writeLine(); - write("function __export(m) {"); - increaseIndent(); - writeLine(); - write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function getLocalNameForExternalImport(node) { - var namespaceDeclaration = getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); - } - if (node.kind === 225 /* ImportDeclaration */ && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 231 /* ExportDeclaration */ && node.moduleSpecifier) { - return getGeneratedNameForNode(node); - } - } - function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { - if (emitRelativePathAsModuleName) { - var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); - if (name_29) { - return "\"" + name_29 + "\""; - } - } - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9 /* StringLiteral */) { - return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); - } - return undefined; - } - function emitVariableDeclarationsForImports() { - if (externalImports.length === 0) { - return; - } - writeLine(); - var started = false; - for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { - var importNode = externalImports_1[_a]; - // do not create variable declaration for exports and imports that lack import clause - var skipNode = importNode.kind === 231 /* ExportDeclaration */ || - (importNode.kind === 225 /* ImportDeclaration */ && !importNode.importClause); - if (skipNode) { - continue; - } - if (!started) { - write("var "); - started = true; - } - else { - write(", "); - } - write(getLocalNameForExternalImport(importNode)); - } - if (started) { - write(";"); - } - } - function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { - // when resolving exports local exported entries/indirect exported entries in the module - // should always win over entries with similar names that were added via star exports - // to support this we store names of local/indirect exported entries in a set. - // this set is used to filter names brought by star expors. - if (!hasExportStarsToExportValues) { - // local names set is needed only in presence of star exports - return undefined; - } - // local names set should only be added if we have anything exported - if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { - // no exported declarations (export var ...) or export specifiers (export {x}) - // check if we have any non star export declarations. - var hasExportDeclarationWithExportClause = false; - for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { - var externalImport = externalImports_2[_a]; - if (externalImport.kind === 231 /* ExportDeclaration */ && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - // we still need to emit exportStar helper - return emitExportStarFunction(/*localNames*/ undefined); - } - } - var exportedNamesStorageRef = makeUniqueName("exportedNames"); - writeLine(); - write("var " + exportedNamesStorageRef + " = {"); - increaseIndent(); - var started = false; - if (exportedDeclarations) { - for (var i = 0; i < exportedDeclarations.length; i++) { - // write name of exported declaration, i.e 'export var x...' - writeExportedName(exportedDeclarations[i]); - } - } - if (exportSpecifiers) { - for (var n in exportSpecifiers) { - for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { - var specifier = _c[_b]; - // write name of export specified, i.e. 'export {x}' - writeExportedName(specifier.name); - } - } - } - for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { - var externalImport = externalImports_3[_d]; - if (externalImport.kind !== 231 /* ExportDeclaration */) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - // export * from ... - continue; - } - for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { - var element = _f[_e]; - // write name of indirectly exported entry, i.e. 'export {x} from ...' - writeExportedName(element.name || element.propertyName); - } - } - decreaseIndent(); - writeLine(); - write("};"); - return emitExportStarFunction(exportedNamesStorageRef); - function emitExportStarFunction(localNames) { - var exportStarFunction = makeUniqueName("exportStar"); - writeLine(); - // define an export star helper function - write("function " + exportStarFunction + "(m) {"); - increaseIndent(); - writeLine(); - write("var exports = {};"); - writeLine(); - write("for(var n in m) {"); - increaseIndent(); - writeLine(); - write("if (n !== \"default\""); - if (localNames) { - write("&& !" + localNames + ".hasOwnProperty(n)"); - } - write(") exports[n] = m[n];"); - decreaseIndent(); - writeLine(); - write("}"); - writeLine(); - write(exportFunctionForFile + "(exports);"); - decreaseIndent(); - writeLine(); - write("}"); - return exportStarFunction; - } - function writeExportedName(node) { - // do not record default exports - // they are local to module and never overwritten (explicitly skipped) by star export - if (node.kind !== 69 /* Identifier */ && node.flags & 512 /* Default */) { - return; - } - if (started) { - write(","); - } - else { - started = true; - } - writeLine(); - write("'"); - if (node.kind === 69 /* Identifier */) { - emitNodeWithCommentsAndWithoutSourcemap(node); - } - else { - emitDeclarationName(node); - } - write("': true"); - } - } - function processTopLevelVariableAndFunctionDeclarations(node) { - // per ES6 spec: - // 15.2.1.16.4 ModuleDeclarationInstantiation() Concrete Method - // - var declarations are initialized to undefined - 14.a.ii - // - function/generator declarations are instantiated - 16.a.iv - // this means that after module is instantiated but before its evaluation - // exported functions are already accessible at import sites - // in theory we should hoist only exported functions and its dependencies - // in practice to simplify things we'll hoist all source level functions and variable declaration - // including variables declarations for module and class declarations - var hoistedVars; - var hoistedFunctionDeclarations; - var exportedDeclarations; - visit(node); - if (hoistedVars) { - writeLine(); - write("var "); - var seen = {}; - for (var i = 0; i < hoistedVars.length; i++) { - var local = hoistedVars[i]; - var name_30 = local.kind === 69 /* Identifier */ - ? local - : local.name; - if (name_30) { - // do not emit duplicate entries (in case of declaration merging) in the list of hoisted variables - var text = ts.unescapeIdentifier(name_30.text); - if (ts.hasProperty(seen, text)) { - continue; - } - else { - seen[text] = text; - } - } - if (i !== 0) { - write(", "); - } - if (local.kind === 217 /* ClassDeclaration */ || local.kind === 221 /* ModuleDeclaration */ || local.kind === 220 /* EnumDeclaration */) { - emitDeclarationName(local); - } - else { - emit(local); - } - var flags = ts.getCombinedNodeFlags(local.kind === 69 /* Identifier */ ? local.parent : local); - if (flags & 2 /* Export */) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(local); - } - } - write(";"); - } - if (hoistedFunctionDeclarations) { - for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { - var f = hoistedFunctionDeclarations_1[_a]; - writeLine(); - emit(f); - if (f.flags & 2 /* Export */) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(f); - } - } - } - return exportedDeclarations; - function visit(node) { - if (node.flags & 4 /* Ambient */) { - return; - } - if (node.kind === 216 /* FunctionDeclaration */) { - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = []; - } - hoistedFunctionDeclarations.push(node); - return; - } - if (node.kind === 217 /* ClassDeclaration */) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - return; - } - if (node.kind === 220 /* EnumDeclaration */) { - if (shouldEmitEnumDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 221 /* ModuleDeclaration */) { - if (shouldEmitModuleDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { - if (shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ false)) { - var name_31 = node.name; - if (name_31.kind === 69 /* Identifier */) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(name_31); - } - else { - ts.forEachChild(name_31, visit); - } - } - return; - } - if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node.name); - return; - } - if (ts.isBindingPattern(node)) { - ts.forEach(node.elements, visit); - return; - } - if (!ts.isDeclaration(node)) { - ts.forEachChild(node, visit); - } - } - } - function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { - if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { - return false; - } - // hoist variable if - // - it is not block scoped - // - it is top level block scoped - // if block scoped variables are nested in some another block then - // no other functions can use them except ones that are defined at least in the same block - return (ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) === 0 || - ts.getEnclosingBlockScopeContainer(node).kind === 251 /* SourceFile */; - } - function isCurrentFileSystemExternalModule() { - return modulekind === 4 /* System */ && isCurrentFileExternalModule; - } - function emitSystemModuleBody(node, dependencyGroups, startIndex) { - // shape of the body in system modules: - // function (exports) { - // - // - // - // return { - // setters: [ - // - // ], - // execute: function() { - // - // } - // } - // - // } - // I.e: - // import {x} from 'file1' - // var y = 1; - // export function foo() { return y + x(); } - // console.log(y); - // will be transformed to - // function(exports) { - // var file1; // local alias - // var y; - // function foo() { return y + file1.x(); } - // exports("foo", foo); - // return { - // setters: [ - // function(v) { file1 = v } - // ], - // execute(): function() { - // y = 1; - // console.log(y); - // } - // }; - // } - emitVariableDeclarationsForImports(); - writeLine(); - var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); - var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); - writeLine(); - write("return {"); - increaseIndent(); - writeLine(); - emitSetters(exportStarFunction, dependencyGroups); - writeLine(); - emitExecute(node, startIndex); - decreaseIndent(); - writeLine(); - write("}"); // return - emitTempDeclarations(/*newLine*/ true); - } - function emitSetters(exportStarFunction, dependencyGroups) { - write("setters:["); - for (var i = 0; i < dependencyGroups.length; i++) { - if (i !== 0) { - write(","); - } - writeLine(); - increaseIndent(); - var group = dependencyGroups[i]; - // derive a unique name for parameter from the first named entry in the group - var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); - write("function (" + parameterName + ") {"); - increaseIndent(); - for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { - var entry = group_1[_a]; - var importVariableName = getLocalNameForExternalImport(entry) || ""; - switch (entry.kind) { - case 225 /* ImportDeclaration */: - if (!entry.importClause) { - // 'import "..."' case - // module is imported only for side-effects, no emit required - break; - } - // fall-through - case 224 /* ImportEqualsDeclaration */: - ts.Debug.assert(importVariableName !== ""); - writeLine(); - // save import into the local - write(importVariableName + " = " + parameterName + ";"); - writeLine(); - break; - case 231 /* ExportDeclaration */: - ts.Debug.assert(importVariableName !== ""); - if (entry.exportClause) { - // export {a, b as c} from 'foo' - // emit as: - // exports_({ - // "a": _["a"], - // "c": _["b"] - // }); - writeLine(); - write(exportFunctionForFile + "({"); - writeLine(); - increaseIndent(); - for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { - if (i_1 !== 0) { - write(","); - writeLine(); - } - var e = entry.exportClause.elements[i_1]; - write("\""); - emitNodeWithCommentsAndWithoutSourcemap(e.name); - write("\": " + parameterName + "[\""); - emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); - write("\"]"); - } - decreaseIndent(); - writeLine(); - write("});"); - } - else { - // collectExternalModuleInfo prefilters star exports to keep only ones that export values - // this means that check 'resolver.moduleExportsSomeValue' is redundant and can be omitted here - writeLine(); - // export * from 'foo' - // emit as: - // exportStar(_foo); - write(exportStarFunction + "(" + parameterName + ");"); - } - writeLine(); - break; - } - } - decreaseIndent(); - write("}"); - decreaseIndent(); - } - write("],"); - } - function emitExecute(node, startIndex) { - write("execute: function() {"); - increaseIndent(); - writeLine(); - for (var i = startIndex; i < node.statements.length; i++) { - var statement = node.statements[i]; - switch (statement.kind) { - // - function declarations are not emitted because they were already hoisted - // - import declarations are not emitted since they are already handled in setters - // - export declarations with module specifiers are not emitted since they were already written in setters - // - export declarations without module specifiers are emitted preserving the order - case 216 /* FunctionDeclaration */: - case 225 /* ImportDeclaration */: - continue; - case 231 /* ExportDeclaration */: - if (!statement.moduleSpecifier) { - for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { - var element = _b[_a]; - // write call to exporter function for every export specifier in exports list - emitExportSpecifierInSystemModule(element); - } - } - continue; - case 224 /* ImportEqualsDeclaration */: - if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { - // - import equals declarations that import external modules are not emitted - continue; - } - // fall-though for import declarations that import internal modules - default: - writeLine(); - emit(statement); - } - } - decreaseIndent(); - writeLine(); - write("}"); // execute - } - function writeModuleName(node, emitRelativePathAsModuleName) { - var moduleName = node.moduleName; - if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { - write("\"" + moduleName + "\", "); - } - } - function emitSystemModule(node, emitRelativePathAsModuleName) { - collectExternalModuleInfo(node); - // System modules has the following shape - // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) - // 'exports' here is a function 'exports(name: string, value: T): T' that is used to publish exported values. - // 'exports' returns its 'value' argument so in most cases expressions - // that mutate exported values can be rewritten as: - // expr -> exports('name', expr). - // The only exception in this rule is postfix unary operators, - // see comment to 'emitPostfixUnaryExpression' for more details - ts.Debug.assert(!exportFunctionForFile); - // make sure that name of 'exports' function does not conflict with existing identifiers - exportFunctionForFile = makeUniqueName("exports"); - contextObjectForFile = makeUniqueName("context"); - writeLine(); - write("System.register("); - writeModuleName(node, emitRelativePathAsModuleName); - write("["); - var groupIndices = {}; - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); - if (text === undefined) { - continue; - } - // text should be quoted string - // for deduplication purposes in key remove leading and trailing quotes so 'a' and "a" will be considered the same - var key = text.substr(1, text.length - 2); - if (ts.hasProperty(groupIndices, key)) { - // deduplicate/group entries in dependency list by the dependency name - var groupIndex = groupIndices[key]; - dependencyGroups[groupIndex].push(externalImports[i]); - continue; - } - else { - groupIndices[key] = dependencyGroups.length; - dependencyGroups.push([externalImports[i]]); - } - if (i !== 0) { - write(", "); - } - write(text); - } - write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); - writeLine(); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - writeLine(); - write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); - writeLine(); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitSystemModuleBody(node, dependencyGroups, startIndex); - decreaseIndent(); - writeLine(); - write("});"); - } - function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - // names of modules with corresponding parameter in the factory function - var aliasedModuleNames = []; - // names of modules with no corresponding parameters in factory function - var unaliasedModuleNames = []; - var importAliasNames = []; // names of the parameters in the factory function; these - // parameters need to match the indexes of the corresponding - // module names in aliasedModuleNames. - // Fill in amd-dependency tags - for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { - var amdDependency = _b[_a]; - if (amdDependency.name) { - aliasedModuleNames.push("\"" + amdDependency.path + "\""); - importAliasNames.push(amdDependency.name); - } - else { - unaliasedModuleNames.push("\"" + amdDependency.path + "\""); - } - } - for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { - var importNode = externalImports_4[_c]; - // Find the name of the external module - var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); - // Find the name of the module alias, if there is one - var importAliasName = getLocalNameForExternalImport(importNode); - if (includeNonAmdDependencies && importAliasName) { - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(importAliasName); - } - else { - unaliasedModuleNames.push(externalModuleName); - } - } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - // An AMD define function has the following shape: - // define(id?, dependencies?, factory); - // - // This has the shape of - // define(name, ["module1", "module2"], function (module1Alias) { - // The location of the alias in the parameter list in the factory function needs to - // match the position of the module name in the dependency list. - // - // To ensure this is true in cases of modules with no aliases, e.g.: - // `import "module"` or `` - // we need to add modules without alias names to the end of the dependencies list - var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); - emitAMDDependencyList(dependencyNames); - write(", "); - emitAMDFactoryHeader(dependencyNames); - } - function emitAMDDependencyList(_a) { - var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; - write("[\"require\", \"exports\""); - if (aliasedModuleNames.length) { - write(", "); - write(aliasedModuleNames.join(", ")); - } - if (unaliasedModuleNames.length) { - write(", "); - write(unaliasedModuleNames.join(", ")); - } - write("]"); - } - function emitAMDFactoryHeader(_a) { - var importAliasNames = _a.importAliasNames; - write("function (require, exports"); - if (importAliasNames.length) { - write(", "); - write(importAliasNames.join(", ")); - } - write(") {"); - } - function emitAMDModule(node, emitRelativePathAsModuleName) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - writeLine(); - write("define("); - writeModuleName(node, emitRelativePathAsModuleName); - emitAMDDependencies(node, /*includeNonAmdDependencies*/ true, emitRelativePathAsModuleName); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitCommonJSModule(node) { - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitEmitHelpers(node); - collectExternalModuleInfo(node); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ false); - } - function emitUMDModule(node) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - var dependencyNames = getAMDDependencyNames(node, /*includeNonAmdDependencies*/ false); - // Module is detected first to support Browserify users that load into a browser with an AMD loader - writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); - emitAMDDependencyList(dependencyNames); - write(", factory);"); - writeLines(" }\n})("); - emitAMDFactoryHeader(dependencyNames); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitES6Module(node) { - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - // Emit exportDefault if it exists will happen as part - // or normal statement emit. - } - function emitExportEquals(emitAsReturn) { - if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { - writeLine(); - emitStart(exportEquals); - write(emitAsReturn ? "return " : "module.exports = "); - emit(exportEquals.expression); - write(";"); - emitEnd(exportEquals); - } - } - function emitJsxElement(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - jsxEmitReact(node); - break; - case 1 /* Preserve */: - // Fall back to preserve if None was specified (we'll error earlier) - default: - jsxEmitPreserve(node); - break; - } - } - function trimReactWhitespaceAndApplyEntities(node) { - var result = undefined; - var text = ts.getTextOfNode(node, /*includeTrivia*/ true); - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - // JSX trims whitespace at the end and beginning of lines, except that the - // start/end of a tag is considered a start/end of a line only if that line is - // on the same line as the closing tag. See examples in tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - if (result) { - // Replace entities like   - result = result.replace(/&(\w+);/g, function (s, m) { - if (entities[m] !== undefined) { - var ch = String.fromCharCode(entities[m]); - // " needs to be escaped - return ch === "\"" ? "\\\"" : ch; - } - else { - return s; - } - }); - } - return result; - } - function getTextToEmit(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - var text = trimReactWhitespaceAndApplyEntities(node); - if (text === undefined || text.length === 0) { - return undefined; - } - else { - return text; - } - case 1 /* Preserve */: - default: - return ts.getTextOfNode(node, /*includeTrivia*/ true); - } - } - function emitJsxText(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - write("\""); - write(trimReactWhitespaceAndApplyEntities(node)); - write("\""); - break; - case 1 /* Preserve */: - default: - writer.writeLiteral(ts.getTextOfNode(node, /*includeTrivia*/ true)); - break; - } - } - function emitJsxExpression(node) { - if (node.expression) { - switch (compilerOptions.jsx) { - case 1 /* Preserve */: - default: - write("{"); - emit(node.expression); - write("}"); - break; - case 2 /* React */: - emit(node.expression); - break; - } - } - } - function isUseStrictPrologue(node) { - return !!node.expression.text.match(/use strict/); - } - function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { - if (writeUseStrict) { - if (startWithNewLine) { - writeLine(); - } - write("\"use strict\";"); - } - } - function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { - var foundUseStrict = false; - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (isUseStrictPrologue(statements[i])) { - foundUseStrict = true; - } - if (startWithNewLine || i > 0) { - writeLine(); - } - emit(statements[i]); - } - else { - ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); - // return index of the first non prologue directive - return i; - } - } - ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); - return statements.length; - } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - writeLine(); - write(line); - } - } - } - function emitEmitHelpers(node) { - // Only emit helpers if the user did not say otherwise. - if (!compilerOptions.noEmitHelpers) { - // Only Emit __extends function when target ES5. - // For target ES6 and above, we can emit classDeclaration as is. - if ((languageVersion < 2 /* ES6 */) && (!extendsEmitted && node.flags & 4194304 /* HasClassExtends */)) { - writeLines(extendsHelper); - extendsEmitted = true; - } - if (!decorateEmitted && node.flags & 8388608 /* HasDecorators */) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); - } - decorateEmitted = true; - } - if (!paramEmitted && node.flags & 16777216 /* HasParamDecorators */) { - writeLines(paramHelper); - paramEmitted = true; - } - if (!awaiterEmitted && node.flags & 33554432 /* HasAsyncFunctions */) { - writeLines(awaiterHelper); - awaiterEmitted = true; - } - } - } - function emitSourceFileNode(node) { - // Start new file on new line - writeLine(); - emitShebang(); - emitDetachedCommentsAndUpdateCommentsInfo(node); - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { - var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1 /* CommonJS */]; - emitModule(node); - } - else { - bundleEmitDelegates[modulekind](node, /*emitRelativePathAsModuleName*/ true); - } - } - else { - // emit prologue directives prior to __extends - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - } - emitLeadingComments(node.endOfFileToken); - } - function emit(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); - } - function emitNodeWithCommentsAndWithoutSourcemap(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); - } - function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { - if (node) { - if (node.flags & 4 /* Ambient */) { - return emitCommentsOnNotEmittedNode(node); - } - if (isSpecializedCommentHandling(node)) { - // This is the node that will handle its own comments and sourcemap - return emitNodeWithoutSourceMap(node); - } - var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); - if (emitComments_1) { - emitLeadingComments(node); - } - emitNodeConsideringSourcemap(node); - if (emitComments_1) { - emitTrailingComments(node); - } - } - } - function emitNodeWithSourceMap(node) { - if (node) { - emitStart(node); - emitNodeWithoutSourceMap(node); - emitEnd(node); - } - } - function emitNodeWithoutSourceMap(node) { - if (node) { - emitJavaScriptWorker(node); - } - } - function changeSourceMapEmit(writer) { - sourceMap = writer; - emitStart = writer.emitStart; - emitEnd = writer.emitEnd; - emitPos = writer.emitPos; - setSourceFile = writer.setSourceFile; - } - function withTemporaryNoSourceMap(callback) { - var prevSourceMap = sourceMap; - setSourceMapWriterEmit(ts.getNullSourceMapWriter()); - callback(); - setSourceMapWriterEmit(prevSourceMap); - } - function isSpecializedCommentHandling(node) { - switch (node.kind) { - // All of these entities are emitted in a specialized fashion. As such, we allow - // the specialized methods for each to handle the comments on the nodes. - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 230 /* ExportAssignment */: - return true; - } - } - function shouldEmitLeadingAndTrailingComments(node) { - switch (node.kind) { - case 196 /* VariableStatement */: - return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); - case 221 /* ModuleDeclaration */: - // Only emit the leading/trailing comments for a module if we're actually - // emitting the module as well. - return shouldEmitModuleDeclaration(node); - case 220 /* EnumDeclaration */: - // Only emit the leading/trailing comments for an enum if we're actually - // emitting the module as well. - return shouldEmitEnumDeclaration(node); - } - // If the node is emitted in specialized fashion, dont emit comments as this node will handle - // emitting comments when emitting itself - ts.Debug.assert(!isSpecializedCommentHandling(node)); - // If this is the expression body of an arrow function that we're down-leveling, - // then we don't want to emit comments when we emit the body. It will have already - // been taken care of when we emitted the 'return' statement for the function - // expression body. - if (node.kind !== 195 /* Block */ && - node.parent && - node.parent.kind === 177 /* ArrowFunction */ && - node.parent.body === node && - compilerOptions.target <= 1 /* ES5 */) { - return false; - } - // Emit comments for everything else. - return true; - } - function emitJavaScriptWorker(node) { - // Check if the node can be emitted regardless of the ScriptTarget - switch (node.kind) { - case 69 /* Identifier */: - return emitIdentifier(node); - case 139 /* Parameter */: - return emitParameter(node); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return emitMethod(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return emitAccessor(node); - case 97 /* ThisKeyword */: - return emitThis(node); - case 95 /* SuperKeyword */: - return emitSuper(node); - case 93 /* NullKeyword */: - return write("null"); - case 99 /* TrueKeyword */: - return write("true"); - case 84 /* FalseKeyword */: - return write("false"); - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 10 /* RegularExpressionLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 12 /* TemplateHead */: - case 13 /* TemplateMiddle */: - case 14 /* TemplateTail */: - return emitLiteral(node); - case 186 /* TemplateExpression */: - return emitTemplateExpression(node); - case 193 /* TemplateSpan */: - return emitTemplateSpan(node); - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - return emitJsxElement(node); - case 239 /* JsxText */: - return emitJsxText(node); - case 243 /* JsxExpression */: - return emitJsxExpression(node); - case 136 /* QualifiedName */: - return emitQualifiedName(node); - case 164 /* ObjectBindingPattern */: - return emitObjectBindingPattern(node); - case 165 /* ArrayBindingPattern */: - return emitArrayBindingPattern(node); - case 166 /* BindingElement */: - return emitBindingElement(node); - case 167 /* ArrayLiteralExpression */: - return emitArrayLiteral(node); - case 168 /* ObjectLiteralExpression */: - return emitObjectLiteral(node); - case 248 /* PropertyAssignment */: - return emitPropertyAssignment(node); - case 249 /* ShorthandPropertyAssignment */: - return emitShorthandPropertyAssignment(node); - case 137 /* ComputedPropertyName */: - return emitComputedPropertyName(node); - case 169 /* PropertyAccessExpression */: - return emitPropertyAccess(node); - case 170 /* ElementAccessExpression */: - return emitIndexedAccess(node); - case 171 /* CallExpression */: - return emitCallExpression(node); - case 172 /* NewExpression */: - return emitNewExpression(node); - case 173 /* TaggedTemplateExpression */: - return emitTaggedTemplateExpression(node); - case 174 /* TypeAssertionExpression */: - return emit(node.expression); - case 192 /* AsExpression */: - return emit(node.expression); - case 175 /* ParenthesizedExpression */: - return emitParenExpression(node); - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return emitFunctionDeclaration(node); - case 178 /* DeleteExpression */: - return emitDeleteExpression(node); - case 179 /* TypeOfExpression */: - return emitTypeOfExpression(node); - case 180 /* VoidExpression */: - return emitVoidExpression(node); - case 181 /* AwaitExpression */: - return emitAwaitExpression(node); - case 182 /* PrefixUnaryExpression */: - return emitPrefixUnaryExpression(node); - case 183 /* PostfixUnaryExpression */: - return emitPostfixUnaryExpression(node); - case 184 /* BinaryExpression */: - return emitBinaryExpression(node); - case 185 /* ConditionalExpression */: - return emitConditionalExpression(node); - case 188 /* SpreadElementExpression */: - return emitSpreadElementExpression(node); - case 187 /* YieldExpression */: - return emitYieldExpression(node); - case 190 /* OmittedExpression */: - return; - case 195 /* Block */: - case 222 /* ModuleBlock */: - return emitBlock(node); - case 196 /* VariableStatement */: - return emitVariableStatement(node); - case 197 /* EmptyStatement */: - return write(";"); - case 198 /* ExpressionStatement */: - return emitExpressionStatement(node); - case 199 /* IfStatement */: - return emitIfStatement(node); - case 200 /* DoStatement */: - return emitDoStatement(node); - case 201 /* WhileStatement */: - return emitWhileStatement(node); - case 202 /* ForStatement */: - return emitForStatement(node); - case 204 /* ForOfStatement */: - case 203 /* ForInStatement */: - return emitForInOrForOfStatement(node); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return emitBreakOrContinueStatement(node); - case 207 /* ReturnStatement */: - return emitReturnStatement(node); - case 208 /* WithStatement */: - return emitWithStatement(node); - case 209 /* SwitchStatement */: - return emitSwitchStatement(node); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - return emitCaseOrDefaultClause(node); - case 210 /* LabeledStatement */: - return emitLabeledStatement(node); - case 211 /* ThrowStatement */: - return emitThrowStatement(node); - case 212 /* TryStatement */: - return emitTryStatement(node); - case 247 /* CatchClause */: - return emitCatchClause(node); - case 213 /* DebuggerStatement */: - return emitDebuggerStatement(node); - case 214 /* VariableDeclaration */: - return emitVariableDeclaration(node); - case 189 /* ClassExpression */: - return emitClassExpression(node); - case 217 /* ClassDeclaration */: - return emitClassDeclaration(node); - case 218 /* InterfaceDeclaration */: - return emitInterfaceDeclaration(node); - case 220 /* EnumDeclaration */: - return emitEnumDeclaration(node); - case 250 /* EnumMember */: - return emitEnumMember(node); - case 221 /* ModuleDeclaration */: - return emitModuleDeclaration(node); - case 225 /* ImportDeclaration */: - return emitImportDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return emitImportEqualsDeclaration(node); - case 231 /* ExportDeclaration */: - return emitExportDeclaration(node); - case 230 /* ExportAssignment */: - return emitExportAssignment(node); - case 251 /* SourceFile */: - return emitSourceFileNode(node); - } - } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; - } - function getLeadingCommentsWithoutDetachedComments() { - // get the leading comments from detachedPos - var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); - } - else { - detachedCommentsInfo = undefined; - } - return leadingComments; - } - /** - * Determine if the given comment is a triple-slash - * - * @return true if the comment is a triple-slash comment else false - **/ - function isTripleSlashComment(comment) { - // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text - // so that we don't end up computing comment string and doing match for all // comments - if (currentText.charCodeAt(comment.pos + 1) === 47 /* slash */ && - comment.pos + 2 < comment.end && - currentText.charCodeAt(comment.pos + 2) === 47 /* slash */) { - var textSubStr = currentText.substring(comment.pos, comment.end); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; - } - return false; - } - function getLeadingCommentsToEmit(node) { - // Emit the leading comments only if the parent's pos doesn't match because parent should take care of emitting these comments - if (node.parent) { - if (node.parent.kind === 251 /* SourceFile */ || node.pos !== node.parent.pos) { - if (hasDetachedComments(node.pos)) { - // get comments without detached comments - return getLeadingCommentsWithoutDetachedComments(); - } - else { - // get the leading comments from the node - return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); - } - } - } - } - function getTrailingCommentsToEmit(node) { - // Emit the trailing comments only if the parent's pos doesn't match because parent should take care of emitting these comments - if (node.parent) { - if (node.parent.kind === 251 /* SourceFile */ || node.end !== node.parent.end) { - return ts.getTrailingCommentRanges(currentText, node.end); - } - } - } - /** - * Emit comments associated with node that will not be emitted into JS file - */ - function emitCommentsOnNotEmittedNode(node) { - emitLeadingCommentsWorker(node, /*isEmittedNode*/ false); - } - function emitLeadingComments(node) { - return emitLeadingCommentsWorker(node, /*isEmittedNode*/ true); - } - function emitLeadingCommentsWorker(node, isEmittedNode) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (isEmittedNode) { - leadingComments = getLeadingCommentsToEmit(node); - } - else { - // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node, - // unless it is a triple slash comment at the top of the file. - // For Example: - // /// - // declare var x; - // /// - // interface F {} - // The first /// will NOT be removed while the second one will be removed eventhough both node will not be emitted - if (node.pos === 0) { - leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); - } - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); - // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitTrailingComments(node) { - if (compilerOptions.removeComments) { - return; - } - // Emit the trailing comments only if the parent's end doesn't match - var trailingComments = getTrailingCommentsToEmit(node); - // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ - ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ false, newLine, writeComment); - } - /** - * Emit trailing comments at the position. The term trailing comment is used here to describe following comment: - * x, /comment1/ y - * ^ => pos; the function will emit "comment1" in the emitJS - */ - function emitTrailingCommentsOfPosition(pos) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = ts.getTrailingCommentRanges(currentText, pos); - // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ - ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitLeadingCommentsOfPositionWorker(pos) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (hasDetachedComments(pos)) { - // get comments without detached comments - leadingComments = getLeadingCommentsWithoutDetachedComments(); - } - else { - // get the leading comments from the node - leadingComments = ts.getLeadingCommentRanges(currentText, pos); - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); - // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitDetachedCommentsAndUpdateCommentsInfo(node) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } - } - } - function writeComment(text, lineMap, writer, comment, newLine) { - emitPos(comment.pos); - ts.writeCommentRange(text, lineMap, writer, comment, newLine); - emitPos(comment.end); - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); - writeLine(); - } - } - var _a, _b; - } - function emitFile(_a, sourceFiles, isBundledEmit) { - var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; - // Make sure not to write js File and source map file if any of them cannot be written - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - } - else { - emitSkipped = true; - } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; - } - } - } - ts.emitFiles = emitFiles; -})(ts || (ts = {})); -/// -/// -/// -var ts; -(function (ts) { - /* @internal */ ts.programTime = 0; - /* @internal */ ts.emitTime = 0; - /* @internal */ ts.ioReadTime = 0; - /* @internal */ ts.ioWriteTime = 0; - /** The version of the TypeScript compiler release */ - var emptyArray = []; - ts.version = "1.8.2"; - function findConfigFile(searchPath, fileExists) { - var fileName = "tsconfig.json"; - while (true) { - if (fileExists(fileName)) { - return fileName; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - fileName = "../" + fileName; - } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var moduleResolution = compilerOptions.moduleResolution !== undefined - ? compilerOptions.moduleResolution - : ts.getEmitModuleKind(compilerOptions) === 1 /* CommonJS */ ? 2 /* NodeJs */ : 1 /* Classic */; - switch (moduleResolution) { - case 2 /* NodeJs */: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - case 1 /* Classic */: return classicNameResolver(moduleName, containingFile, compilerOptions, host); - } - } - ts.resolveModuleName = resolveModuleName; - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { - var failedLookupLocations = []; - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); - if (resolvedFileName) { - return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; - } - resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); - return resolvedFileName - ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - else { - return loadModuleFromNodeModules(moduleName, containingDirectory, host); - } - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - /* @internal */ - function directoryProbablyExists(directoryName, host) { - // if host does not support 'directoryExists' assume that directory will exist - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - /** - * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary - * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations. - */ - function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - return ts.forEach(extensions, tryLoad); - function tryLoad(ext) { - var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; - if (!onlyRecordFailures && host.fileExists(fileName)) { - return fileName; - } - else { - failedLookupLocation.push(fileName); - return undefined; - } - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - var packageJsonPath = ts.combinePaths(candidate, "package.json"); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); - if (directoryExists && host.fileExists(packageJsonPath)) { - var jsonContent = void 0; - try { - var jsonText = host.readFile(packageJsonPath); - jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; - } - catch (e) { - // gracefully handle if readFile fails or returns not JSON - jsonContent = { typings: undefined }; - } - if (typeof jsonContent.typings === "string") { - var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); - var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); - if (result) { - return result; - } - } - } - else { - // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results - failedLookupLocation.push(packageJsonPath); - } - return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); - } - function loadModuleFromNodeModules(moduleName, directory, host) { - var failedLookupLocations = []; - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - // Load only typescript files irrespective of allowJs option if loading from node modules - var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory) { - break; - } - directory = parentPath; - } - return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - function nameStartsWithDotSlashOrDotDotSlash(name) { - var i = name.lastIndexOf("./", 1); - return i === 0 || (i === 1 && name.charCodeAt(0) === 46 /* dot */); - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - // module names that contain '!' are used to reference resources and are not resolved to actual files on disk - if (moduleName.indexOf("!") != -1) { - return { resolvedModule: undefined, failedLookupLocations: [] }; - } - var searchPath = ts.getDirectoryPath(containingFile); - var searchName; - var failedLookupLocations = []; - var referencedSourceFile; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - while (true) { - searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); - referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { - if (extension === ".tsx" && !compilerOptions.jsx) { - // resolve .tsx files only if jsx support is enabled - // 'logical not' handles both undefined and None cases - return undefined; - } - var candidate = searchName + extension; - if (host.fileExists(candidate)) { - return candidate; - } - else { - failedLookupLocations.push(candidate); - } - }); - if (referencedSourceFile) { - break; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - /* @internal */ - ts.defaultInitCompilerOptions = { - module: 1 /* CommonJS */, - target: 1 /* ES5 */, - noImplicitAny: false, - sourceMap: false - }; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = {}; - function getCanonicalFileName(fileName) { - // if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form. - // otherwise use toLowerCase as a canonical form. - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - } - // returned by CScript sys environment - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - var start = new Date().getTime(); - text = ts.sys.readFile(fileName, options.charset); - ts.ioReadTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; - } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; - } - function directoryExists(directoryPath) { - if (ts.hasProperty(existingDirectories, directoryPath)) { - return true; - } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; - } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); - } - } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - var start = new Date().getTime(); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - ts.sys.writeFile(fileName, data, writeByteOrderMark); - ts.ioWriteTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.message); - } - } - } - var newLine = ts.getNewLineCharacter(options); - return { - getSourceFile: getSourceFile, - getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; - } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var programDiagnostics = ts.createDiagnosticCollection(); - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var skipDefaultLib = options.noLib; - var supportedExtensions = ts.getSupportedExtensions(options); - var start = new Date().getTime(); - host = host || createCompilerHost(options); - // Map storing if there is emit blocking diagnostics for given input - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var currentDirectory = host.getCurrentDirectory(); - var resolveModuleNamesWorker = host.resolveModuleNames - ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) - : (function (moduleNames, containingFile) { - var resolvedModuleNames = []; - // resolveModuleName does not store any results between calls. - // lookup is a local cache to avoid resolving the same module name several times - var lookup = {}; - for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { - var moduleName = moduleNames_1[_i]; - var resolvedName = void 0; - if (ts.hasProperty(lookup, moduleName)) { - resolvedName = lookup[moduleName]; - } - else { - resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; - lookup[moduleName] = resolvedName; - } - resolvedModuleNames.push(resolvedName); - } - return resolvedModuleNames; - }); - var filesByName = ts.createFileMap(); - // stores 'filename -> file association' ignoring case - // used to track cases when two file names differ only in casing - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (oldProgram) { - // check properties that can affect structure of the program or module resolution strategy - // if any of these properties has changed - structure cannot be reused - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs)) { - oldProgram = undefined; - } - } - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, /*isDefaultLib*/ false); }); - // Do not process the default library if: - // - The '--noLib' flag is used. - // - A 'no-default-lib' reference comment is encountered in - // processing the root files. - if (!skipDefaultLib) { - processRootFile(host.getDefaultLibFileName(options), /*isDefaultLib*/ true); - } - } - // unconditionally set oldProgram to undefined to prevent it from being captured in closure - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } - }; - verifyCompilerOptions(); - ts.programTime += new Date().getTime() - start; - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - // If a rootDir is specified and is valid use it as the commonSourceDirectory - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); - } - else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - // Make sure directory path ends with directory separator so this string can directly - // used to replace with "" to get the relative path of the source file and the relative path doesn't - // start with / making it rooted path - commonSourceDirectory += ts.directorySeparator; - } - } - return commonSourceDirectory; - } - function getClassifiableNames() { - if (!classifiableNames) { - // Initialize a checker so that all our files are bound. - getTypeChecker(); - classifiableNames = {}; - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var sourceFile = files_3[_i]; - ts.copyMap(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; - } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - // there is an old program, check if we can reuse its structure - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - // check if program source files has changed in the way that can affect structure of the program - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - // value of no-default-lib has changed - // this will affect if default library is injected into the list of files - return false; - } - // check tripleslash references - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - // tripleslash references has changed - return false; - } - // check imports and module augmentations - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - // imports has changed - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - // moduleAugmentations has changed - return false; - } - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); - // ensure that module resolution results are still correct - for (var i = 0; i < moduleNames.length; i++) { - var newResolution = resolutions[i]; - var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); - var resolutionChanged = oldResolution - ? !newResolution || - oldResolution.resolvedFileName !== newResolution.resolvedFileName || - !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport - : newResolution; - if (resolutionChanged) { - return false; - } - } - } - // pass the cache of module resolutions from the old source file - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - modifiedSourceFiles.push(newSourceFile); - } - else { - // file has no changes - use it as is - newSourceFile = oldSourceFile; - } - // if file has passed all checks it should be safe to reuse it - newSourceFiles.push(newSourceFile); - } - // update fileName -> file mapping - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); - } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); - } - oldProgram.structureIsReused = true; - return true; - } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFiles: program.getSourceFiles, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), - isEmitBlocked: isEmitBlocked - }; - } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ true)); - } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ false)); - } - function emit(sourceFile, writeFileCallback, cancellationToken) { - var _this = this; - return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); - } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); - } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { - // If the noEmitOnError flag is set, then check if we have any errors so far. If so, - // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we - // get any preEmit diagnostics, not just the ones - if (options.noEmitOnError) { - var preEmitDiagnostics = getPreEmitDiagnostics(program, /*sourceFile:*/ undefined, cancellationToken); - if (preEmitDiagnostics.length > 0) { - return { diagnostics: preEmitDiagnostics, sourceMaps: undefined, emitSkipped: true }; - } - } - // Create the emit resolver outside of the "emitTime" tracking code below. That way - // any cost associated with it (like type checking) are appropriate associated with - // the type-checking counter. - // - // If the -out option is specified, we should not pass the source file to getEmitResolver. - // This is because in the -out scenario all files need to be emitted, and therefore all - // files need to be type checked. And the way to specify that all files need to be type - // checked is to not pass the file to getEmitResolver. - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - var start = new Date().getTime(); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); - ts.emitTime += new Date().getTime() - start; - return emitResult; - } - function getSourceFile(fileName) { - return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); - } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); - } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); - } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); - } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); - } - function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { - return sourceFile.parseDiagnostics; - } - function runWithCancellationToken(func) { - try { - return func(); - } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - // We were canceled while performing the operation. Because our type checker - // might be a bad state, we need to throw it away. - // - // Note: we are overly agressive here. We do not actually *have* to throw away - // the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep - // the lifetimes of these two TypeCheckers the same. Also, we generally only - // cancel when the user has made a change anyways. And, in that case, we (the - // program instance) will get thrown away anyways. So trying to keep one of - // these type checkers alive doesn't serve much purpose. - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; - } - } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - // For JavaScript files, we don't want to report the normal typescript semantic errors. - // Instead, we just report errors for using TypeScript-only constructs from within a - // JavaScript file. - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); - }); - } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 230 /* ExportAssignment */: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 217 /* ClassDeclaration */: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 246 /* HeritageClause */: - var heritageClause = node; - if (heritageClause.token === 106 /* ImplementsKeyword */) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 218 /* InterfaceDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 221 /* ModuleDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 219 /* TypeAliasDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 216 /* FunctionDeclaration */: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 196 /* VariableStatement */: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 214 /* VariableDeclaration */: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start_2 = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 139 /* Parameter */: - var parameter = node; - if (parameter.modifiers) { - var start_3 = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 142 /* PropertyDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 220 /* EnumDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 174 /* TypeAssertionExpression */: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 140 /* Decorator */: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start_4 = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 122 /* DeclareKeyword */: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - // These are all legal modifiers. - case 113 /* StaticKeyword */: - case 82 /* ExportKeyword */: - case 74 /* ConstKeyword */: - case 77 /* DefaultKeyword */: - case 115 /* AbstractKeyword */: - } - } - } - return false; - } - }); - } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - if (!ts.isDeclarationFile(sourceFile)) { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - // Don't actually write any files since we're just getting diagnostics. - var writeFile_1 = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); - } - }); - } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; - } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); - } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; - } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; - } - function getTextOfLiteral(literal) { - return literal.text; - } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, /*inAmbientModule*/ false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9 /* StringLiteral */) { - break; - } - if (!moduleNameExpr.text) { - break; - } - // TypeScript 1.0 spec (April 2014): 12.1.6 - // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules - // only through top - level external module names. Relative external module names are not permitted. - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 221 /* ModuleDeclaration */: - if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 /* Ambient */ || ts.isDeclarationFile(file))) { - var moduleName = node.name; - // Ambient module declarations can be interpreted as augmentations for some existing external modules. - // This will happen in two cases: - // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope - // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name - // immediately nested in top level ambient module declaration . - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - // An AmbientExternalModuleDeclaration declares an external module. - // This type of declaration is permitted only in the global module. - // The StringLiteral must specify a top - level external module name. - // Relative external module names are not permitted - // NOTE: body of ambient module is always a module block - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, /*inAmbientModule*/ true); - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } - } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } - } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - } - // Get source file from normalized fileName - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - // try to check if we've already seen this file but with a different casing in path - // NOTE: this only makes sense for case-insensitive file systems - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - return file_1; - } - // We haven't looked for this file, do so now and cache result - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - file.path = path; - if (host.useCaseSensitiveFileNames()) { - // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - var basePath = ts.getDirectoryPath(fileName); - if (!options.noResolve) { - processReferencedFiles(file, basePath); - } - // always process imported modules to record module name resolutions - processImportedModules(file, basePath); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; - } - function processReferencedFiles(file, basePath) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, /*isDefaultLib*/ false, file, ref.pos, ref.end); - }); - } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); - } - function processImportedModules(file, basePath) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = {}; - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - // add file to program only if: - // - resolution was successfull - // - noResolve is falsy - // - module name come from the list fo imports - var shouldAddFile = resolution && - !options.noResolve && - i < file.imports.length; - if (shouldAddFile) { - var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), /*isDefaultLib*/ false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - if (importedFile && resolution.isExternalLibraryImport) { - // Since currently irrespective of allowJs, we only look for supportedTypeScript extension external module files, - // this check is ok. Otherwise this would be never true for javascript file - if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { - var start_5 = ts.getTokenPosOfNode(file.imports[i], file); - fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); - } - else if (importedFile.referencedFiles.length) { - var firstRef = importedFile.referencedFiles[0]; - fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); - } - } - } - } - } - else { - // no imports - drop cached module resolutions - file.resolvedModules = undefined; - } - return; - } - function computeCommonSourceDirectory(sourceFiles) { - var commonPathComponents; - var failed = ts.forEach(files, function (sourceFile) { - // Each file contributes into common source file path - if (ts.isDeclarationFile(sourceFile)) { - return; - } - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); - sourcePathComponents.pop(); // The base file name is not part of the common directory path - if (!commonPathComponents) { - // first file - commonPathComponents = sourcePathComponents; - return; - } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - // Failed to find any common path component - return true; - } - // New common path found that is 0 -> i-1 - commonPathComponents.length = i; - break; - } - } - // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; - } - }); - // A common path can not be found when paths span multiple drives on windows, for example - if (failed) { - return ""; - } - if (!commonPathComponents) { - return currentDirectory; - } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } - } - } - return allFilesBelongToPath; - } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } - } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } - } - if (options.inlineSources) { - if (!options.sourceMap && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); - } - } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); - } - if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { - // Error to specify --mapRoot or --sourceRoot without mapSourceFiles - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); - } - if (options.sourceRoot && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); - } - } - var languageVersion = options.target || 0 /* ES3 */; - var outFile = options.outFile || options.out; - var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === 0 /* None */ && languageVersion < 2 /* ES6 */) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); - } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); - } - } - else if (firstExternalModuleSourceFile && languageVersion < 2 /* ES6 */ && options.module === 0 /* None */) { - // We cannot use createDiagnosticFromNode because nodes do not have parents yet - var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); - } - // Cannot specify module gen target of es6 when below es6 - if (options.module === 5 /* ES6 */ && languageVersion < 2 /* ES6 */) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); - } - // Cannot specify module gen that isn't amd or system with --out - if (outFile && options.module && !(options.module === 2 /* AMD */ || options.module === 4 /* System */)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - // there has to be common source directory if user specified --outdir || --sourceRoot - // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - // Precalculate and cache the common source directory - var dir = getCommonSourceDirectory(); - // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); - } - } - if (options.noEmit) { - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); - } - if (options.outDir) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); - } - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); - } - } - else if (options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - // Verify that all the emit files are unique and don't overwrite input files - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - // Report error if the output overwrites input file - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - // Report error if multiple files write into same file - if (emitFilesSeen.contains(emitFilePath)) { - // Already seen the same emit file - report error - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } - } - } - } - function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); - } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -/// -/// -/// -/// -/// -var ts; -(function (ts) { - /* @internal */ - ts.optionDeclarations = [ - { - name: "charset", - type: "string" - }, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file - }, - { - name: "diagnostics", - type: "boolean" - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file - }, - { - name: "inlineSourceMap", - type: "boolean" - }, - { - name: "inlineSources", - type: "boolean" - }, - { - name: "jsx", - type: { - "preserve": 1 /* Preserve */, - "react": 2 /* React */ - }, - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean" - }, - { - name: "locale", - type: "string" - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "module", - shortName: "m", - type: { - "none": 0 /* None */, - "commonjs": 1 /* CommonJS */, - "amd": 2 /* AMD */, - "system": 4 /* System */, - "umd": 3 /* UMD */, - "es6": 5 /* ES6 */, - "es2015": 5 /* ES2015 */ - }, - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none - }, - { - name: "newLine", - type: { - "crlf": 0 /* CarriageReturnLineFeed */, - "lf": 1 /* LineFeed */ - }, - description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type - }, - { - name: "noLib", - type: "boolean" - }, - { - name: "noResolve", - type: "boolean" - }, - { - name: "skipDefaultLibCheck", - type: "boolean" - }, - { - name: "out", - type: "string", - isFilePath: false, - // for correct behaviour, please use outFile - paramType: ts.Diagnostics.FILE - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "isolatedModules", - type: "boolean" - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: { - "es3": 0 /* ES3 */, - "es5": 1 /* ES5 */, - "es6": 2 /* ES6 */, - "es2015": 2 /* ES2015 */ - }, - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, - paramType: ts.Diagnostics.VERSION, - error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: { - "node": 2 /* NodeJs */, - "classic": 1 /* Classic */ - }, - description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "noCustomAsyncPromise", - type: "boolean", - experimental: true - } - ]; - var optionNameMapCache; - /* @internal */ - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; - } - var optionNameMap = {}; - var shortOptionNames = {}; - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; - } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64 /* at */) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45 /* minus */) { - s = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1).toLowerCase(); - // Try to translate short option names to their full equivalents. - if (ts.hasProperty(shortOptionNames, s)) { - s = shortOptionNames[s]; - } - if (ts.hasProperty(optionNameMap, s)) { - var opt = optionNameMap[s]; - // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument). - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - // If not a primitive, the possible types are specified in what is effectively a map of options. - default: - var map_1 = opt.type; - var key = (args[i] || "").toLowerCase(); - i++; - if (ts.hasProperty(map_1, key)) { - options[opt.name] = map_1[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - } - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34 /* doubleQuote */) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); - } - } - else { - while (text.charCodeAt(pos) > 32 /* space */) - pos++; - args.push(text.substring(start, pos)); - } - } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - /** - * Read tsconfig.json file - * @param fileName The path to the config file - */ - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - /** - * Parse the text of the tsconfig.json file - * @param fileName The path to the config file - * @param jsonText The text of the config file - */ - function parseConfigFileTextToJson(fileName, jsonText) { - try { - var jsonTextWithoutComments = removeComments(jsonText); - return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; - } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - /** - * Remove the comments from a json like text. - * Comments can be single line comments (starting with # or //) or multiline comments using / * * / - * - * This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate. - */ - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1 /* ES5 */, /* skipTrivia */ false, 0 /* Standard */, jsonText); - var token; - while ((token = scanner.scan()) !== 1 /* EndOfFileToken */) { - switch (token) { - case 2 /* SingleLineCommentTrivia */: - case 3 /* MultiLineCommentTrivia */: - // replace comments with whitespace to preserve original character positions - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } - } - return output; - } - /** - * Parse the contents of a config file (tsconfig.json). - * @param json The contents of the config file to parse - * @param host Instance of ParseConfigHost used to enumerate files in folder. - * @param basePath A root directory to resolve relative path entries in the config - * file to. e.g. outDir - */ - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { - if (existingOptions === void 0) { existingOptions = {}; } - var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; - var options = ts.extend(existingOptions, optionsFromJsonConfigFile); - return { - options: options, - fileNames: getFileNames(), - errors: errors - }; - function getFileNames() { - var fileNames = []; - if (ts.hasProperty(json, "files")) { - if (json["files"] instanceof Array) { - fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - else { - var filesSeen = {}; - var exclude = []; - if (json["exclude"] instanceof Array) { - exclude = json["exclude"]; - } - else { - // by default exclude node_modules, and any specificied output directory - exclude = ["node_modules"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - exclude.push(outDir); - } - } - exclude = ts.map(exclude, ts.normalizeSlashes); - var supportedExtensions = ts.getSupportedExtensions(options); - ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); - // Get files of supported extensions in their order of resolution - for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { - var extension = supportedExtensions_1[_i]; - var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); - for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { - var fileName = filesInDirWithExtension_1[_a]; - // .ts extension would read the .d.ts extension files too but since .d.ts is lower priority extension, - // lets pick them when its turn comes up - if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { - continue; - } - // Skip over any minified JavaScript files (ending in ".min.js") - if (/\.min\.js$/.test(fileName)) { - continue; - } - // If this is one of the output extension (which would be .d.ts and .js if we are allowing compilation of js files) - // do not include this file if we included .ts or .tsx file with same base name as it could be output of the earlier compilation - if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { - var baseName = fileName.substr(0, fileName.length - extension.length); - if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { - continue; - } - } - filesSeen[fileName] = true; - fileNames.push(fileName); - } - } - } - return fileNames; - } - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var options = {}; - var errors = []; - if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { - options.allowJs = true; - } - if (!jsonOptions) { - return { options: options, errors: errors }; - } - var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (ts.hasProperty(optionNameMap, id)) { - var opt = optionNameMap[id]; - var optType = opt.type; - var value = jsonOptions[id]; - var expectedType = typeof optType === "string" ? optType : "string"; - if (typeof value === expectedType) { - if (typeof optType !== "string") { - var key = value.toLowerCase(); - if (ts.hasProperty(optType, key)) { - value = optType[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - value = 0; - } - } - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } - options[opt.name] = value; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); - } - } - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - var OutliningElementsCollector; - (function (OutliningElementsCollector) { - function collectElements(sourceFile) { - var elements = []; - var collapseText = "..."; - function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { - if (hintSpanNode && startElement && endElement) { - var span = { - textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), - hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningSpanComments(commentSpan, autoCollapse) { - if (commentSpan) { - var span = { - textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningForLeadingCommentsForNode(n) { - var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); - if (comments) { - var firstSingleLineCommentStart = -1; - var lastSingleLineCommentEnd = -1; - var isFirstSingleLineComment = true; - var singleLineCommentCount = 0; - for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { - var currentComment = comments_2[_i]; - // For single line comments, combine consecutive ones (2 or more) into - // a single span from the start of the first till the end of the last - if (currentComment.kind === 2 /* SingleLineCommentTrivia */) { - if (isFirstSingleLineComment) { - firstSingleLineCommentStart = currentComment.pos; - } - isFirstSingleLineComment = false; - lastSingleLineCommentEnd = currentComment.end; - singleLineCommentCount++; - } - else if (currentComment.kind === 3 /* MultiLineCommentTrivia */) { - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - addOutliningSpanComments(currentComment, /*autoCollapse*/ false); - singleLineCommentCount = 0; - lastSingleLineCommentEnd = -1; - isFirstSingleLineComment = true; - } - } - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - } - } - function combineAndAddMultipleSingleLineComments(count, start, end) { - // Only outline spans of two or more consecutive single line comments - if (count > 1) { - var multipleSingleLineComments = { - pos: start, - end: end, - kind: 2 /* SingleLineCommentTrivia */ - }; - addOutliningSpanComments(multipleSingleLineComments, /*autoCollapse*/ false); - } - } - function autoCollapse(node) { - return ts.isFunctionBlock(node) && node.parent.kind !== 177 /* ArrowFunction */; - } - var depth = 0; - var maxDepth = 20; - function walk(n) { - if (depth > maxDepth) { - return; - } - if (ts.isDeclaration(n)) { - addOutliningForLeadingCommentsForNode(n); - } - switch (n.kind) { - case 195 /* Block */: - if (!ts.isFunctionBlock(n)) { - var parent_9 = n.parent; - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - // Check if the block is standalone, or 'attached' to some parent statement. - // If the latter, we want to collaps the block, but consider its hint span - // to be the entire span of the parent. - if (parent_9.kind === 200 /* DoStatement */ || - parent_9.kind === 203 /* ForInStatement */ || - parent_9.kind === 204 /* ForOfStatement */ || - parent_9.kind === 202 /* ForStatement */ || - parent_9.kind === 199 /* IfStatement */ || - parent_9.kind === 201 /* WhileStatement */ || - parent_9.kind === 208 /* WithStatement */ || - parent_9.kind === 247 /* CatchClause */) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - if (parent_9.kind === 212 /* TryStatement */) { - // Could be the try-block, or the finally-block. - var tryStatement = parent_9; - if (tryStatement.tryBlock === n) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - else if (tryStatement.finallyBlock === n) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); - if (finallyKeyword) { - addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); - break; - } - } - } - // Block was a standalone block. In this case we want to only collapse - // the span of the block, independent of any parent span. - var span = ts.createTextSpanFromBounds(n.getStart(), n.end); - elements.push({ - textSpan: span, - hintSpan: span, - bannerText: collapseText, - autoCollapse: autoCollapse(n) - }); - break; - } - // Fallthrough. - case 222 /* ModuleBlock */: { - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 223 /* CaseBlock */: { - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 167 /* ArrayLiteralExpression */: - var openBracket = ts.findChildOfKind(n, 19 /* OpenBracketToken */, sourceFile); - var closeBracket = ts.findChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); - addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); - break; - } - depth++; - ts.forEachChild(n, walk); - depth--; - } - walk(sourceFile); - return elements; - } - OutliningElementsCollector.collectElements = collectElements; - })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - var NavigateTo; - (function (NavigateTo) { - function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { - var patternMatcher = ts.createPatternMatcher(searchValue); - var rawItems = []; - // This means "compare in a case insensitive manner." - var baseSensitivity = { sensitivity: "base" }; - // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[] - ts.forEach(program.getSourceFiles(), function (sourceFile) { - cancellationToken.throwIfCancellationRequested(); - var nameToDeclarations = sourceFile.getNamedDeclarations(); - for (var name_32 in nameToDeclarations) { - var declarations = ts.getProperty(nameToDeclarations, name_32); - if (declarations) { - // First do a quick check to see if the name of the declaration matches the - // last portion of the (possibly) dotted name they're searching for. - var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); - if (!matches) { - continue; - } - for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { - var declaration = declarations_6[_i]; - // It was a match! If the pattern has dots in it, then also see if the - // declaration container matches as well. - if (patternMatcher.patternContainsDots) { - var containers = getContainers(declaration); - if (!containers) { - return undefined; - } - matches = patternMatcher.getMatches(containers, name_32); - if (!matches) { - continue; - } - } - var fileName = sourceFile.fileName; - var matchKind = bestMatchKind(matches); - rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); - } - } - } - }); - rawItems.sort(compareNavigateToItems); - if (maxResultCount !== undefined) { - rawItems = rawItems.slice(0, maxResultCount); - } - var items = ts.map(rawItems, createNavigateToItem); - return items; - function allMatchesAreCaseSensitive(matches) { - ts.Debug.assert(matches.length > 0); - // This is a case sensitive match, only if all the submatches were case sensitive. - for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { - var match = matches_1[_i]; - if (!match.isCaseSensitive) { - return false; - } - } - return true; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 9 /* StringLiteral */ || - node.kind === 8 /* NumericLiteral */) { - return node.text; - } - } - return undefined; - } - function tryAddSingleDeclarationName(declaration, containers) { - if (declaration && declaration.name) { - var text = getTextOfIdentifierOrLiteral(declaration.name); - if (text !== undefined) { - containers.unshift(text); - } - else if (declaration.name.kind === 137 /* ComputedPropertyName */) { - return tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ true); - } - else { - // Don't know how to add this. - return false; - } - } - return true; - } - // Only added the names of computed properties if they're simple dotted expressions, like: - // - // [X.Y.Z]() { } - function tryAddComputedPropertyName(expression, containers, includeLastPortion) { - var text = getTextOfIdentifierOrLiteral(expression); - if (text !== undefined) { - if (includeLastPortion) { - containers.unshift(text); - } - return true; - } - if (expression.kind === 169 /* PropertyAccessExpression */) { - var propertyAccess = expression; - if (includeLastPortion) { - containers.unshift(propertyAccess.name.text); - } - return tryAddComputedPropertyName(propertyAccess.expression, containers, /*includeLastPortion*/ true); - } - return false; - } - function getContainers(declaration) { - var containers = []; - // First, if we started with a computed property name, then add all but the last - // portion into the container array. - if (declaration.name.kind === 137 /* ComputedPropertyName */) { - if (!tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ false)) { - return undefined; - } - } - // Now, walk up our containers, adding all their names to the container array. - declaration = ts.getContainerNode(declaration); - while (declaration) { - if (!tryAddSingleDeclarationName(declaration, containers)) { - return undefined; - } - declaration = ts.getContainerNode(declaration); - } - return containers; - } - function bestMatchKind(matches) { - ts.Debug.assert(matches.length > 0); - var bestMatchKind = ts.PatternMatchKind.camelCase; - for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { - var match = matches_2[_i]; - var kind = match.kind; - if (kind < bestMatchKind) { - bestMatchKind = kind; - } - } - return bestMatchKind; - } - function compareNavigateToItems(i1, i2) { - // TODO(cyrusn): get the gamut of comparisons that VS already uses here. - // Right now we just sort by kind first, and then by name of the item. - // We first sort case insensitively. So "Aaa" will come before "bar". - // Then we sort case sensitively, so "aaa" will come before "Aaa". - return i1.matchKind - i2.matchKind || - i1.name.localeCompare(i2.name, undefined, baseSensitivity) || - i1.name.localeCompare(i2.name); - } - function createNavigateToItem(rawItem) { - var declaration = rawItem.declaration; - var container = ts.getContainerNode(declaration); - return { - name: rawItem.name, - kind: ts.getNodeKind(declaration), - kindModifiers: ts.getNodeModifiers(declaration), - matchKind: ts.PatternMatchKind[rawItem.matchKind], - isCaseSensitive: rawItem.isCaseSensitive, - fileName: rawItem.fileName, - textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), - // TODO(jfreeman): What should be the containerName when the container has a computed name? - containerName: container && container.name ? container.name.text : "", - containerKind: container && container.name ? ts.getNodeKind(container) : "" - }; - } - } - NavigateTo.getNavigateToItems = getNavigateToItems; - })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var NavigationBar; - (function (NavigationBar) { - function getNavigationBarItems(sourceFile, compilerOptions) { - // If the source file has any child items, then it included in the tree - // and takes lexical ownership of all other top-level items. - var hasGlobalNode = false; - return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); - function getIndent(node) { - // If we have a global node in the tree, - // then it adds an extra layer of depth to all subnodes. - var indent = hasGlobalNode ? 1 : 0; - var current = node.parent; - while (current) { - switch (current.kind) { - case 221 /* ModuleDeclaration */: - // If we have a module declared as A.B.C, it is more "intuitive" - // to say it only has a single layer of depth - do { - current = current.parent; - } while (current.kind === 221 /* ModuleDeclaration */); - // fall through - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - indent++; - } - current = current.parent; - } - return indent; - } - function getChildNodes(nodes) { - var childNodes = []; - function visit(node) { - switch (node.kind) { - case 196 /* VariableStatement */: - ts.forEach(node.declarationList.declarations, visit); - break; - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - ts.forEach(node.elements, visit); - break; - case 231 /* ExportDeclaration */: - // Handle named exports case e.g.: - // export {a, b as B} from "mod"; - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225 /* ImportDeclaration */: - var importClause = node.importClause; - if (importClause) { - // Handle default import case e.g.: - // import d from "mod"; - if (importClause.name) { - childNodes.push(importClause); - } - // Handle named bindings in imports e.g.: - // import * as NS from "mod"; - // import {a, b as B} from "mod"; - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - childNodes.push(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - case 166 /* BindingElement */: - case 214 /* VariableDeclaration */: - if (ts.isBindingPattern(node.name)) { - visit(node.name); - break; - } - // Fall through - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 216 /* FunctionDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - childNodes.push(node); - break; - } - } - //for (let i = 0, n = nodes.length; i < n; i++) { - // let node = nodes[i]; - // if (node.kind === SyntaxKind.ClassDeclaration || - // node.kind === SyntaxKind.EnumDeclaration || - // node.kind === SyntaxKind.InterfaceDeclaration || - // node.kind === SyntaxKind.ModuleDeclaration || - // node.kind === SyntaxKind.FunctionDeclaration) { - // childNodes.push(node); - // } - // else if (node.kind === SyntaxKind.VariableStatement) { - // childNodes.push.apply(childNodes, (node).declarations); - // } - //} - ts.forEach(nodes, visit); - return sortNodes(childNodes); - } - function getTopLevelNodes(node) { - var topLevelNodes = []; - topLevelNodes.push(node); - addTopLevelNodes(node.statements, topLevelNodes); - return topLevelNodes; - } - function sortNodes(nodes) { - return nodes.slice(0).sort(function (n1, n2) { - if (n1.name && n2.name) { - return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); - } - else if (n1.name) { - return 1; - } - else if (n2.name) { - return -1; - } - else { - return n1.kind - n2.kind; - } - }); - } - function addTopLevelNodes(nodes, topLevelNodes) { - nodes = sortNodes(nodes); - for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { - var node = nodes_4[_i]; - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - topLevelNodes.push(node); - break; - case 221 /* ModuleDeclaration */: - var moduleDeclaration = node; - topLevelNodes.push(node); - addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); - break; - case 216 /* FunctionDeclaration */: - var functionDeclaration = node; - if (isTopLevelFunctionDeclaration(functionDeclaration)) { - topLevelNodes.push(node); - addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); - } - break; - } - } - } - function isTopLevelFunctionDeclaration(functionDeclaration) { - if (functionDeclaration.kind === 216 /* FunctionDeclaration */) { - // A function declaration is 'top level' if it contains any function declarations - // within it. - if (functionDeclaration.body && functionDeclaration.body.kind === 195 /* Block */) { - // Proper function declarations can only have identifier names - if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 /* FunctionDeclaration */ && !isEmpty(s.name.text); })) { - return true; - } - // Or if it is not parented by another function. i.e all functions - // at module scope are 'top level'. - if (!ts.isFunctionBlock(functionDeclaration.parent)) { - return true; - } - } - } - return false; - } - function getItemsWorker(nodes, createItem) { - var items = []; - var keyToItem = {}; - for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { - var child = nodes_5[_i]; - var item = createItem(child); - if (item !== undefined) { - if (item.text.length > 0) { - var key = item.text + "-" + item.kind + "-" + item.indent; - var itemWithSameName = keyToItem[key]; - if (itemWithSameName) { - // We had an item with the same name. Merge these items together. - merge(itemWithSameName, item); - } - else { - keyToItem[key] = item; - items.push(item); - } - } - } - } - return items; - } - function merge(target, source) { - // First, add any spans in the source to the target. - ts.addRange(target.spans, source.spans); - if (source.childItems) { - if (!target.childItems) { - target.childItems = []; - } - // Next, recursively merge or add any children in the source as appropriate. - outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { - var sourceChild = _a[_i]; - for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { - var targetChild = _c[_b]; - if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { - // Found a match. merge them. - merge(targetChild, sourceChild); - continue outer; - } - } - // Didn't find a match, just add this child to the list. - target.childItems.push(sourceChild); - } - } - } - function createChildItem(node) { - switch (node.kind) { - case 139 /* Parameter */: - if (ts.isBindingPattern(node.name)) { - break; - } - if ((node.flags & 1022 /* Modifier */) === 0) { - return undefined; - } - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); - case 146 /* GetAccessor */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); - case 147 /* SetAccessor */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); - case 150 /* IndexSignature */: - return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); - case 250 /* EnumMember */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 148 /* CallSignature */: - return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); - case 149 /* ConstructSignature */: - return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 216 /* FunctionDeclaration */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - var variableDeclarationNode = void 0; - var name_33; - if (node.kind === 166 /* BindingElement */) { - name_33 = node.name; - variableDeclarationNode = node; - // binding elements are added only for variable declarations - // bubble up to the containing variable declaration - while (variableDeclarationNode && variableDeclarationNode.kind !== 214 /* VariableDeclaration */) { - variableDeclarationNode = variableDeclarationNode.parent; - } - ts.Debug.assert(variableDeclarationNode !== undefined); - } - else { - ts.Debug.assert(!ts.isBindingPattern(node.name)); - variableDeclarationNode = node; - name_33 = node.name; - } - if (ts.isConst(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); - } - else if (ts.isLet(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); - } - else { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); - } - case 145 /* Constructor */: - return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); - case 233 /* ExportSpecifier */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); - } - return undefined; - function createItem(node, name, scriptElementKind) { - return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); - } - } - function isEmpty(text) { - return !text || text.trim() === ""; - } - function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { - if (childItems === void 0) { childItems = []; } - if (indent === void 0) { indent = 0; } - if (isEmpty(text)) { - return undefined; - } - return { - text: text, - kind: kind, - kindModifiers: kindModifiers, - spans: spans, - childItems: childItems, - indent: indent, - bolded: false, - grayed: false - }; - } - function createTopLevelItem(node) { - switch (node.kind) { - case 251 /* SourceFile */: - return createSourceFileItem(node); - case 217 /* ClassDeclaration */: - return createClassItem(node); - case 220 /* EnumDeclaration */: - return createEnumItem(node); - case 218 /* InterfaceDeclaration */: - return createIterfaceItem(node); - case 221 /* ModuleDeclaration */: - return createModuleItem(node); - case 216 /* FunctionDeclaration */: - return createFunctionItem(node); - } - return undefined; - function getModuleName(moduleDeclaration) { - // We want to maintain quotation marks. - if (ts.isAmbientModule(moduleDeclaration)) { - return getTextOfNode(moduleDeclaration.name); - } - // Otherwise, we need to aggregate each identifier to build up the qualified name. - var result = []; - result.push(moduleDeclaration.name.text); - while (moduleDeclaration.body && moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { - moduleDeclaration = moduleDeclaration.body; - result.push(moduleDeclaration.name.text); - } - return result.join("."); - } - function createModuleItem(node) { - var moduleName = getModuleName(node); - var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); - return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createFunctionItem(node) { - if (node.body && node.body.kind === 195 /* Block */) { - var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); - return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - return undefined; - } - function createSourceFileItem(node) { - var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); - if (childItems === undefined || childItems.length === 0) { - return undefined; - } - hasGlobalNode = true; - var rootName = ts.isExternalModule(node) - ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" - : ""; - return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); - } - function createClassItem(node) { - var childItems; - if (node.members) { - var constructor = ts.forEach(node.members, function (member) { - return member.kind === 145 /* Constructor */ && member; - }); - // Add the constructor parameters in as children of the class (for property parameters). - // Note that *all non-binding pattern named* parameters will be added to the nodes array, but parameters that - // are not properties will be filtered out later by createChildItem. - var nodes = removeDynamicallyNamedProperties(node); - if (constructor) { - ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); - } - childItems = getItemsWorker(sortNodes(nodes), createChildItem); - } - var nodeName = !node.name ? "default" : node.name.text; - return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createEnumItem(node) { - var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createIterfaceItem(node) { - var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - } - function removeComputedProperties(node) { - return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137 /* ComputedPropertyName */; }); - } - /** - * Like removeComputedProperties, but retains the properties with well known symbol names - */ - function removeDynamicallyNamedProperties(node) { - return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); - } - function getInnermostModule(node) { - while (node.body.kind === 221 /* ModuleDeclaration */) { - node = node.body; - } - return node; - } - function getNodeSpan(node) { - return node.kind === 251 /* SourceFile */ - ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) - : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); - } - function getTextOfNode(node) { - return ts.getTextOfNodeFromSourceText(sourceFile.text, node); - } - } - NavigationBar.getNavigationBarItems = getNavigationBarItems; - })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - // Note(cyrusn): this enum is ordered from strongest match type to weakest match type. - (function (PatternMatchKind) { - PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; - PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; - PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; - PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; - })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); - var PatternMatchKind = ts.PatternMatchKind; - function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { - return { - kind: kind, - punctuationStripped: punctuationStripped, - isCaseSensitive: isCaseSensitive, - camelCaseWeight: camelCaseWeight - }; - } - function createPatternMatcher(pattern) { - // We'll often see the same candidate string many times when searching (For example, when - // we see the name of a module that is used everywhere, or the name of an overload). As - // such, we cache the information we compute about the candidate for the life of this - // pattern matcher so we don't have to compute it multiple times. - var stringToWordSpans = {}; - pattern = pattern.trim(); - var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); - var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); - return { - getMatches: getMatches, - getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, - patternContainsDots: dotSeparatedSegments.length > 1 - }; - // Quick checks so we can bail out when asked to match a candidate. - function skipMatch(candidate) { - return invalidPattern || !candidate; - } - function getMatchesForLastSegmentOfPattern(candidate) { - if (skipMatch(candidate)) { - return undefined; - } - return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - } - function getMatches(candidateContainers, candidate) { - if (skipMatch(candidate)) { - return undefined; - } - // First, check that the last part of the dot separated pattern matches the name of the - // candidate. If not, then there's no point in proceeding and doing the more - // expensive work. - var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - if (!candidateMatch) { - return undefined; - } - candidateContainers = candidateContainers || []; - // -1 because the last part was checked against the name, and only the rest - // of the parts are checked against the container. - if (dotSeparatedSegments.length - 1 > candidateContainers.length) { - // There weren't enough container parts to match against the pattern parts. - // So this definitely doesn't match. - return undefined; - } - // So far so good. Now break up the container for the candidate and check if all - // the dotted parts match up correctly. - var totalMatch = candidateMatch; - for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { - var segment = dotSeparatedSegments[i]; - var containerName = candidateContainers[j]; - var containerMatch = matchSegment(containerName, segment); - if (!containerMatch) { - // This container didn't match the pattern piece. So there's no match at all. - return undefined; - } - ts.addRange(totalMatch, containerMatch); - } - // Success, this symbol's full name matched against the dotted name the user was asking - // about. - return totalMatch; - } - function getWordSpans(word) { - if (!ts.hasProperty(stringToWordSpans, word)) { - stringToWordSpans[word] = breakIntoWordSpans(word); - } - return stringToWordSpans[word]; - } - function matchTextChunk(candidate, chunk, punctuationStripped) { - var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); - if (index === 0) { - if (chunk.text.length === candidate.length) { - // a) Check if the part matches the candidate entirely, in an case insensitive or - // sensitive manner. If it does, return that there was an exact match. - return createPatternMatch(PatternMatchKind.exact, punctuationStripped, /*isCaseSensitive:*/ candidate === chunk.text); - } - else { - // b) Check if the part is a prefix of the candidate, in a case insensitive or sensitive - // manner. If it does, return that there was a prefix match. - return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, /*isCaseSensitive:*/ startsWith(candidate, chunk.text)); - } - } - var isLowercase = chunk.isLowerCase; - if (isLowercase) { - if (index > 0) { - // c) If the part is entirely lowercase, then check if it is contained anywhere in the - // candidate in a case insensitive manner. If so, return that there was a substring - // match. - // - // Note: We only have a substring match if the lowercase part is prefix match of some - // word part. That way we don't match something like 'Class' when the user types 'a'. - // But we would match 'FooAttribute' (since 'Attribute' starts with 'a'). - var wordSpans = getWordSpans(candidate); - for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { - var span = wordSpans_1[_i]; - if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, - /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false)); - } - } - } - } - else { - // d) If the part was not entirely lowercase, then check if it is contained in the - // candidate in a case *sensitive* manner. If so, return that there was a substring - // match. - if (candidate.indexOf(chunk.text) > 0) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ true); - } - } - if (!isLowercase) { - // e) If the part was not entirely lowercase, then attempt a camel cased match as well. - if (chunk.characterSpans.length > 0) { - var candidateParts = getWordSpans(candidate); - var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ true, /*camelCaseWeight:*/ camelCaseWeight); - } - camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ false, /*camelCaseWeight:*/ camelCaseWeight); - } - } - } - if (isLowercase) { - // f) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries? - // We could check every character boundary start of the candidate for the pattern. However, that's - // an m * n operation in the wost case. Instead, find the first instance of the pattern - // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to - // filter the list based on a substring that starts on a capital letter and also with a lowercase one. - // (Pattern: fogbar, Candidate: quuxfogbarFogBar). - if (chunk.text.length < candidate.length) { - if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ false); - } - } - } - return undefined; - } - function containsSpaceOrAsterisk(text) { - for (var i = 0; i < text.length; i++) { - var ch = text.charCodeAt(i); - if (ch === 32 /* space */ || ch === 42 /* asterisk */) { - return true; - } - } - return false; - } - function matchSegment(candidate, segment) { - // First check if the segment matches as is. This is also useful if the segment contains - // characters we would normally strip when splitting into parts that we also may want to - // match in the candidate. For example if the segment is "@int" and the candidate is - // "@int", then that will show up as an exact match here. - // - // Note: if the segment contains a space or an asterisk then we must assume that it's a - // multi-word segment. - if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { - var match = matchTextChunk(candidate, segment.totalTextChunk, /*punctuationStripped:*/ false); - if (match) { - return [match]; - } - } - // The logic for pattern matching is now as follows: - // - // 1) Break the segment passed in into words. Breaking is rather simple and a - // good way to think about it that if gives you all the individual alphanumeric words - // of the pattern. - // - // 2) For each word try to match the word against the candidate value. - // - // 3) Matching is as follows: - // - // a) Check if the word matches the candidate entirely, in an case insensitive or - // sensitive manner. If it does, return that there was an exact match. - // - // b) Check if the word is a prefix of the candidate, in a case insensitive or - // sensitive manner. If it does, return that there was a prefix match. - // - // c) If the word is entirely lowercase, then check if it is contained anywhere in the - // candidate in a case insensitive manner. If so, return that there was a substring - // match. - // - // Note: We only have a substring match if the lowercase part is prefix match of - // some word part. That way we don't match something like 'Class' when the user - // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with - // 'a'). - // - // d) If the word was not entirely lowercase, then check if it is contained in the - // candidate in a case *sensitive* manner. If so, return that there was a substring - // match. - // - // e) If the word was not entirely lowercase, then attempt a camel cased match as - // well. - // - // f) The word is all lower case. Is it a case insensitive substring of the candidate starting - // on a part boundary of the candidate? - // - // Only if all words have some sort of match is the pattern considered matched. - var subWordTextChunks = segment.subWordTextChunks; - var matches = undefined; - for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { - var subWordTextChunk = subWordTextChunks_1[_i]; - // Try to match the candidate with this word - var result = matchTextChunk(candidate, subWordTextChunk, /*punctuationStripped:*/ true); - if (!result) { - return undefined; - } - matches = matches || []; - matches.push(result); - } - return matches; - } - function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { - var patternPartStart = patternSpan ? patternSpan.start : 0; - var patternPartLength = patternSpan ? patternSpan.length : pattern.length; - if (patternPartLength > candidateSpan.length) { - // Pattern part is longer than the candidate part. There can never be a match. - return false; - } - if (ignoreCase) { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (toLowerCase(ch1) !== toLowerCase(ch2)) { - return false; - } - } - } - else { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (ch1 !== ch2) { - return false; - } - } - } - return true; - } - function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { - var chunkCharacterSpans = chunk.characterSpans; - // Note: we may have more pattern parts than candidate parts. This is because multiple - // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI". - // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U - // and I will both match in UI. - var currentCandidate = 0; - var currentChunkSpan = 0; - var firstMatch = undefined; - var contiguous = undefined; - while (true) { - // Let's consider our termination cases - if (currentChunkSpan === chunkCharacterSpans.length) { - // We did match! We shall assign a weight to this - var weight = 0; - // Was this contiguous? - if (contiguous) { - weight += 1; - } - // Did we start at the beginning of the candidate? - if (firstMatch === 0) { - weight += 2; - } - return weight; - } - else if (currentCandidate === candidateParts.length) { - // No match, since we still have more of the pattern to hit - return undefined; - } - var candidatePart = candidateParts[currentCandidate]; - var gotOneMatchThisCandidate = false; - // Consider the case of matching SiUI against SimpleUIElement. The candidate parts - // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si' - // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to - // still keep matching pattern parts against that candidate part. - for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { - var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; - if (gotOneMatchThisCandidate) { - // We've already gotten one pattern part match in this candidate. We will - // only continue trying to consumer pattern parts if the last part and this - // part are both upper case. - if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || - !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { - break; - } - } - if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { - break; - } - gotOneMatchThisCandidate = true; - firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; - // If we were contiguous, then keep that value. If we weren't, then keep that - // value. If we don't know, then set the value to 'true' as an initial match is - // obviously contiguous. - contiguous = contiguous === undefined ? true : contiguous; - candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); - } - // Check if we matched anything at all. If we didn't, then we need to unset the - // contiguous bit if we currently had it set. - // If we haven't set the bit yet, then that means we haven't matched anything so - // far, and we don't want to change that. - if (!gotOneMatchThisCandidate && contiguous !== undefined) { - contiguous = false; - } - // Move onto the next candidate. - currentCandidate++; - } - } - } - ts.createPatternMatcher = createPatternMatcher; - function createSegment(text) { - return { - totalTextChunk: createTextChunk(text), - subWordTextChunks: breakPatternIntoTextChunks(text) - }; - } - // A segment is considered invalid if we couldn't find any words in it. - function segmentIsInvalid(segment) { - return segment.subWordTextChunks.length === 0; - } - function isUpperCaseLetter(ch) { - // Fast check for the ascii range. - if (ch >= 65 /* A */ && ch <= 90 /* Z */) { - return true; - } - if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { - return false; - } - // TODO: find a way to determine this for any unicode characters in a - // non-allocating manner. - var str = String.fromCharCode(ch); - return str === str.toUpperCase(); - } - function isLowerCaseLetter(ch) { - // Fast check for the ascii range. - if (ch >= 97 /* a */ && ch <= 122 /* z */) { - return true; - } - if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { - return false; - } - // TODO: find a way to determine this for any unicode characters in a - // non-allocating manner. - var str = String.fromCharCode(ch); - return str === str.toLowerCase(); - } - function startsWith(string, search) { - for (var i = 0, n = search.length; i < n; i++) { - if (string.charCodeAt(i) !== search.charCodeAt(i)) { - return false; - } - } - return true; - } - // Assumes 'value' is already lowercase. - function indexOfIgnoringCase(string, value) { - for (var i = 0, n = string.length - value.length; i <= n; i++) { - if (startsWithIgnoringCase(string, value, i)) { - return i; - } - } - return -1; - } - // Assumes 'value' is already lowercase. - function startsWithIgnoringCase(string, value, start) { - for (var i = 0, n = value.length; i < n; i++) { - var ch1 = toLowerCase(string.charCodeAt(i + start)); - var ch2 = value.charCodeAt(i); - if (ch1 !== ch2) { - return false; - } - } - return true; - } - function toLowerCase(ch) { - // Fast convert for the ascii range. - if (ch >= 65 /* A */ && ch <= 90 /* Z */) { - return 97 /* a */ + (ch - 65 /* A */); - } - if (ch < 127 /* maxAsciiCharacter */) { - return ch; - } - // TODO: find a way to compute this for any unicode characters in a - // non-allocating manner. - return String.fromCharCode(ch).toLowerCase().charCodeAt(0); - } - function isDigit(ch) { - // TODO(cyrusn): Find a way to support this for unicode digits. - return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; - } - function isWordChar(ch) { - return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* _ */ || ch === 36 /* $ */; - } - function breakPatternIntoTextChunks(pattern) { - var result = []; - var wordStart = 0; - var wordLength = 0; - for (var i = 0; i < pattern.length; i++) { - var ch = pattern.charCodeAt(i); - if (isWordChar(ch)) { - if (wordLength === 0) { - wordStart = i; - } - wordLength++; - } - else { - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - wordLength = 0; - } - } - } - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - } - return result; - } - function createTextChunk(text) { - var textLowerCase = text.toLowerCase(); - return { - text: text, - textLowerCase: textLowerCase, - isLowerCase: text === textLowerCase, - characterSpans: breakIntoCharacterSpans(text) - }; - } - /* @internal */ function breakIntoCharacterSpans(identifier) { - return breakIntoSpans(identifier, /*word:*/ false); - } - ts.breakIntoCharacterSpans = breakIntoCharacterSpans; - /* @internal */ function breakIntoWordSpans(identifier) { - return breakIntoSpans(identifier, /*word:*/ true); - } - ts.breakIntoWordSpans = breakIntoWordSpans; - function breakIntoSpans(identifier, word) { - var result = []; - var wordStart = 0; - for (var i = 1, n = identifier.length; i < n; i++) { - var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); - var currentIsDigit = isDigit(identifier.charCodeAt(i)); - var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); - var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); - if (charIsPunctuation(identifier.charCodeAt(i - 1)) || - charIsPunctuation(identifier.charCodeAt(i)) || - lastIsDigit !== currentIsDigit || - hasTransitionFromLowerToUpper || - hasTransitionFromUpperToLower) { - if (!isAllPunctuation(identifier, wordStart, i)) { - result.push(ts.createTextSpan(wordStart, i - wordStart)); - } - wordStart = i; - } - } - if (!isAllPunctuation(identifier, wordStart, identifier.length)) { - result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); - } - return result; - } - function charIsPunctuation(ch) { - switch (ch) { - case 33 /* exclamation */: - case 34 /* doubleQuote */: - case 35 /* hash */: - case 37 /* percent */: - case 38 /* ampersand */: - case 39 /* singleQuote */: - case 40 /* openParen */: - case 41 /* closeParen */: - case 42 /* asterisk */: - case 44 /* comma */: - case 45 /* minus */: - case 46 /* dot */: - case 47 /* slash */: - case 58 /* colon */: - case 59 /* semicolon */: - case 63 /* question */: - case 64 /* at */: - case 91 /* openBracket */: - case 92 /* backslash */: - case 93 /* closeBracket */: - case 95 /* _ */: - case 123 /* openBrace */: - case 125 /* closeBrace */: - return true; - } - return false; - } - function isAllPunctuation(identifier, start, end) { - for (var i = start; i < end; i++) { - var ch = identifier.charCodeAt(i); - // We don't consider _ or $ as punctuation as there may be things with that name. - if (!charIsPunctuation(ch) || ch === 95 /* _ */ || ch === 36 /* $ */) { - return false; - } - } - return true; - } - function transitionFromUpperToLower(identifier, word, index, wordStart) { - if (word) { - // Cases this supports: - // 1) IDisposable -> I, Disposable - // 2) UIElement -> UI, Element - // 3) HTMLDocument -> HTML, Document - // - // etc. - if (index !== wordStart && - index + 1 < identifier.length) { - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); - if (currentIsUpper && nextIsLower) { - // We have a transition from an upper to a lower letter here. But we only - // want to break if all the letters that preceded are uppercase. i.e. if we - // have "Foo" we don't want to break that into "F, oo". But if we have - // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI, - // Foo". i.e. the last uppercase letter belongs to the lowercase letters - // that follows. Note: this will make the following not split properly: - // "HELLOthere". However, these sorts of names do not show up in .Net - // programs. - for (var i = wordStart; i < index; i++) { - if (!isUpperCaseLetter(identifier.charCodeAt(i))) { - return false; - } - } - return true; - } - } - } - return false; - } - function transitionFromLowerToUpper(identifier, word, index) { - var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - // See if the casing indicates we're starting a new word. Note: if we're breaking on - // words, then just seeing an upper case character isn't enough. Instead, it has to - // be uppercase and the previous character can't be uppercase. - // - // For example, breaking "AddMetadata" on words would make: Add Metadata - // - // on characters would be: A dd M etadata - // - // Break "AM" on words would be: AM - // - // on characters would be: A M - // - // We break the search string on characters. But we break the symbol name on words. - var transition = word - ? (currentIsUpper && !lastIsUpper) - : currentIsUpper; - return transition; - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var SignatureHelp; - (function (SignatureHelp) { - // A partially written generic type expression is not guaranteed to have the correct syntax tree. the expression could be parsed as less than/greater than expression or a comma expression - // or some other combination depending on what the user has typed so far. For the purposes of signature help we need to consider any location after "<" as a possible generic type reference. - // To do this, the method will back parse the expression starting at the position required. it will try to parse the current expression as a generic type expression, if it did succeed it - // will return the generic identifier that started the expression (e.g. "foo" in "foo(#a, b) -> The token introduces a list, and should begin a sig help session - // Case 2: - // fo#o#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end - // Case 3: - // foo(a#, #b#) -> The token is buried inside a list, and should give sig help - // Find out if 'node' is an argument, a type argument, or neither - if (node.kind === 25 /* LessThanToken */ || - node.kind === 17 /* OpenParenToken */) { - // Find the list that starts right *after* the < or ( token. - // If the user has just opened a list, consider this item 0. - var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - ts.Debug.assert(list !== undefined); - return { - kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: 0, - argumentCount: getArgumentCount(list) - }; - } - // findListItemInfo can return undefined if we are not in parent's argument list - // or type argument list. This includes cases where the cursor is: - // - To the right of the closing paren, non-substitution template, or template tail. - // - Between the type arguments and the arguments (greater than token) - // - On the target of the call (parent.func) - // - On the 'new' keyword in a 'new' expression - var listItemInfo = ts.findListItemInfo(node); - if (listItemInfo) { - var list = listItemInfo.list; - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - var argumentIndex = getArgumentIndex(list, node); - var argumentCount = getArgumentCount(list); - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - } - else if (node.kind === 11 /* NoSubstitutionTemplateLiteral */ && node.parent.kind === 173 /* TaggedTemplateExpression */) { - // Check if we're actually inside the template; - // otherwise we'll fall out and return undefined. - if (ts.isInsideTemplateLiteral(node, position)) { - return getArgumentListInfoForTemplate(node.parent, /*argumentIndex*/ 0); - } - } - else if (node.kind === 12 /* TemplateHead */ && node.parent.parent.kind === 173 /* TaggedTemplateExpression */) { - var templateExpression = node.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); - var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - else if (node.parent.kind === 193 /* TemplateSpan */ && node.parent.parent.parent.kind === 173 /* TaggedTemplateExpression */) { - var templateSpan = node.parent; - var templateExpression = templateSpan.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); - // If we're just after a template tail, don't show signature help. - if (node.kind === 14 /* TemplateTail */ && !ts.isInsideTemplateLiteral(node, position)) { - return undefined; - } - var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); - var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - return undefined; - } - function getArgumentIndex(argumentsList, node) { - // The list we got back can include commas. In the presence of errors it may - // also just have nodes without commas. For example "Foo(a b c)" will have 3 - // args without commas. We want to find what index we're at. So we count - // forward until we hit ourselves, only incrementing the index if it isn't a - // comma. - // - // Note: the subtlety around trailing commas (in getArgumentCount) does not apply - // here. That's because we're only walking forward until we hit the node we're - // on. In that case, even if we're after the trailing comma, we'll still see - // that trailing comma in the list, and we'll have generated the appropriate - // arg index. - var argumentIndex = 0; - var listChildren = argumentsList.getChildren(); - for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { - var child = listChildren_1[_i]; - if (child === node) { - break; - } - if (child.kind !== 24 /* CommaToken */) { - argumentIndex++; - } - } - return argumentIndex; - } - function getArgumentCount(argumentsList) { - // The argument count for a list is normally the number of non-comma children it has. - // For example, if you have "Foo(a,b)" then there will be three children of the arg - // list 'a' '' 'b'. So, in this case the arg count will be 2. However, there - // is a small subtlety. If you have "Foo(a,)", then the child list will just have - // 'a' ''. So, in the case where the last child is a comma, we increase the - // arg count by one to compensate. - // - // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then - // we'll have: 'a' '' '' - // That will give us 2 non-commas. We then add one for the last comma, givin us an - // arg count of 3. - var listChildren = argumentsList.getChildren(); - var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24 /* CommaToken */; }); - if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24 /* CommaToken */) { - argumentCount++; - } - return argumentCount; - } - // spanIndex is either the index for a given template span. - // This does not give appropriate results for a NoSubstitutionTemplateLiteral - function getArgumentIndexForTemplatePiece(spanIndex, node) { - // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1. - // There are three cases we can encounter: - // 1. We are precisely in the template literal (argIndex = 0). - // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1). - // 3. We are directly to the right of the template literal, but because we look for the token on the left, - // not enough to put us in the substitution expression; we should consider ourselves part of - // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1). - // - // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # ` - // ^ ^ ^ ^ ^ ^ ^ ^ ^ - // Case: 1 1 3 2 1 3 2 2 1 - ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); - if (ts.isTemplateLiteralKind(node.kind)) { - if (ts.isInsideTemplateLiteral(node, position)) { - return 0; - } - return spanIndex + 2; - } - return spanIndex + 1; - } - function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { - // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument. - var argumentCount = tagExpression.template.kind === 11 /* NoSubstitutionTemplateLiteral */ - ? 1 - : tagExpression.template.templateSpans.length + 1; - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: 2 /* TaggedTemplateArguments */, - invocation: tagExpression, - argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - function getApplicableSpanForArguments(argumentsList) { - // We use full start and skip trivia on the end because we want to include trivia on - // both sides. For example, - // - // foo( /*comment */ a, b, c /*comment*/ ) - // | | - // - // The applicable span is from the first bar to the second bar (inclusive, - // but not including parentheses) - var applicableSpanStart = argumentsList.getFullStart(); - var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false); - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getApplicableSpanForTaggedTemplate(taggedTemplate) { - var template = taggedTemplate.template; - var applicableSpanStart = template.getStart(); - var applicableSpanEnd = template.getEnd(); - // We need to adjust the end position for the case where the template does not have a tail. - // Otherwise, we will not show signature help past the expression. - // For example, - // - // ` ${ 1 + 1 foo(10) - // | | - // - // This is because a Missing node has no width. However, what we actually want is to include trivia - // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail. - if (template.kind === 186 /* TemplateExpression */) { - var lastSpan = ts.lastOrUndefined(template.templateSpans); - if (lastSpan.literal.getFullWidth() === 0) { - applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false); - } - } - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getContainingArgumentInfo(node) { - for (var n = node; n.kind !== 251 /* SourceFile */; n = n.parent) { - if (ts.isFunctionBlock(n)) { - return undefined; - } - // If the node is not a subspan of its parent, this is a big problem. - // There have been crashes that might be caused by this violation. - if (n.pos < n.parent.pos || n.end > n.parent.end) { - ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); - } - var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); - if (argumentInfo_1) { - return argumentInfo_1; - } - } - return undefined; - } - function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { - var children = parent.getChildren(sourceFile); - var indexOfOpenerToken = children.indexOf(openerToken); - ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); - return children[indexOfOpenerToken + 1]; - } - /** - * The selectedItemIndex could be negative for several reasons. - * 1. There are too many arguments for all of the overloads - * 2. None of the overloads were type compatible - * The solution here is to try to pick the best overload by picking - * either the first one that has an appropriate number of parameters, - * or the one with the most parameters. - */ - function selectBestInvalidOverloadIndex(candidates, argumentCount) { - var maxParamsSignatureIndex = -1; - var maxParams = -1; - for (var i = 0; i < candidates.length; i++) { - var candidate = candidates[i]; - if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { - return i; - } - if (candidate.parameters.length > maxParams) { - maxParams = candidate.parameters.length; - maxParamsSignatureIndex = i; - } - } - return maxParamsSignatureIndex; - } - function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { - var applicableSpan = argumentListInfo.argumentsSpan; - var isTypeParameterList = argumentListInfo.kind === 0 /* TypeArguments */; - var invocation = argumentListInfo.invocation; - var callTarget = ts.getInvokedExpression(invocation); - var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); - var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, /*enclosingDeclaration*/ undefined, /*meaning*/ undefined); - var items = ts.map(candidates, function (candidateSignature) { - var signatureHelpParameters; - var prefixDisplayParts = []; - var suffixDisplayParts = []; - if (callTargetDisplayParts) { - ts.addRange(prefixDisplayParts, callTargetDisplayParts); - } - if (isTypeParameterList) { - prefixDisplayParts.push(ts.punctuationPart(25 /* LessThanToken */)); - var typeParameters = candidateSignature.typeParameters; - signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(27 /* GreaterThanToken */)); - var parameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); - }); - ts.addRange(suffixDisplayParts, parameterParts); - } - else { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); - }); - ts.addRange(prefixDisplayParts, typeParameterParts); - prefixDisplayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - var parameters = candidateSignature.parameters; - signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - var returnTypeParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); - }); - ts.addRange(suffixDisplayParts, returnTypeParts); - return { - isVariadic: candidateSignature.hasRestParameter, - prefixDisplayParts: prefixDisplayParts, - suffixDisplayParts: suffixDisplayParts, - separatorDisplayParts: [ts.punctuationPart(24 /* CommaToken */), ts.spacePart()], - parameters: signatureHelpParameters, - documentation: candidateSignature.getDocumentationComment() - }; - }); - var argumentIndex = argumentListInfo.argumentIndex; - // argumentCount is the *apparent* number of arguments. - var argumentCount = argumentListInfo.argumentCount; - var selectedItemIndex = candidates.indexOf(bestSignature); - if (selectedItemIndex < 0) { - selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); - } - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - items: items, - applicableSpan: applicableSpan, - selectedItemIndex: selectedItemIndex, - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - function createSignatureHelpParameterForParameter(parameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); - }); - return { - name: parameter.name, - documentation: parameter.getDocumentationComment(), - displayParts: displayParts, - isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) - }; - } - function createSignatureHelpParameterForTypeParameter(typeParameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); - }); - return { - name: typeParameter.symbol.name, - documentation: emptyArray, - displayParts: displayParts, - isOptional: false - }; - } - } - } - SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; - })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); -})(ts || (ts = {})); -// These utilities are common to multiple language service features. -/* @internal */ -var ts; -(function (ts) { - function getEndLinePosition(line, sourceFile) { - ts.Debug.assert(line >= 0); - var lineStarts = sourceFile.getLineStarts(); - var lineIndex = line; - if (lineIndex + 1 === lineStarts.length) { - // last line - return EOF - return sourceFile.text.length - 1; - } - else { - // current line start - var start = lineStarts[lineIndex]; - // take the start position of the next line -1 = it should be some line break - var pos = lineStarts[lineIndex + 1] - 1; - ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); - // walk backwards skipping line breaks, stop the the beginning of current line. - // i.e: - // - // $ <- end of line for this position should match the start position - while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos--; - } - return pos; - } - } - ts.getEndLinePosition = getEndLinePosition; - function getLineStartPositionForPosition(position, sourceFile) { - var lineStarts = sourceFile.getLineStarts(); - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - return lineStarts[line]; - } - ts.getLineStartPositionForPosition = getLineStartPositionForPosition; - function rangeContainsRange(r1, r2) { - return startEndContainsRange(r1.pos, r1.end, r2); - } - ts.rangeContainsRange = rangeContainsRange; - function startEndContainsRange(start, end, range) { - return start <= range.pos && end >= range.end; - } - ts.startEndContainsRange = startEndContainsRange; - function rangeContainsStartEnd(range, start, end) { - return range.pos <= start && range.end >= end; - } - ts.rangeContainsStartEnd = rangeContainsStartEnd; - function rangeOverlapsWithStartEnd(r1, start, end) { - return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); - } - ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; - function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { - var start = Math.max(start1, start2); - var end = Math.min(end1, end2); - return start < end; - } - ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; - function positionBelongsToNode(candidate, position, sourceFile) { - return candidate.end > position || !isCompletedNode(candidate, sourceFile); - } - ts.positionBelongsToNode = positionBelongsToNode; - function isCompletedNode(n, sourceFile) { - if (ts.nodeIsMissing(n)) { - return false; - } - switch (n.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 164 /* ObjectBindingPattern */: - case 156 /* TypeLiteral */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - case 223 /* CaseBlock */: - return nodeEndsWith(n, 16 /* CloseBraceToken */, sourceFile); - case 247 /* CatchClause */: - return isCompletedNode(n.block, sourceFile); - case 172 /* NewExpression */: - if (!n.arguments) { - return true; - } - // fall through - case 171 /* CallExpression */: - case 175 /* ParenthesizedExpression */: - case 161 /* ParenthesizedType */: - return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return isCompletedNode(n.type, sourceFile); - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 177 /* ArrowFunction */: - if (n.body) { - return isCompletedNode(n.body, sourceFile); - } - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - // Even though type parameters can be unclosed, we can get away with - // having at least a closing paren. - return hasChildOfKind(n, 18 /* CloseParenToken */, sourceFile); - case 221 /* ModuleDeclaration */: - return n.body && isCompletedNode(n.body, sourceFile); - case 199 /* IfStatement */: - if (n.elseStatement) { - return isCompletedNode(n.elseStatement, sourceFile); - } - return isCompletedNode(n.thenStatement, sourceFile); - case 198 /* ExpressionStatement */: - return isCompletedNode(n.expression, sourceFile) || - hasChildOfKind(n, 23 /* SemicolonToken */); - case 167 /* ArrayLiteralExpression */: - case 165 /* ArrayBindingPattern */: - case 170 /* ElementAccessExpression */: - case 137 /* ComputedPropertyName */: - case 158 /* TupleType */: - return nodeEndsWith(n, 20 /* CloseBracketToken */, sourceFile); - case 150 /* IndexSignature */: - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - return hasChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicitly always consider them non-completed - return false; - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - return isCompletedNode(n.statement, sourceFile); - case 200 /* DoStatement */: - // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')'; - var hasWhileKeyword = findChildOfKind(n, 104 /* WhileKeyword */, sourceFile); - if (hasWhileKeyword) { - return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); - } - return isCompletedNode(n.statement, sourceFile); - case 155 /* TypeQuery */: - return isCompletedNode(n.exprName, sourceFile); - case 179 /* TypeOfExpression */: - case 178 /* DeleteExpression */: - case 180 /* VoidExpression */: - case 187 /* YieldExpression */: - case 188 /* SpreadElementExpression */: - var unaryWordExpression = n; - return isCompletedNode(unaryWordExpression.expression, sourceFile); - case 173 /* TaggedTemplateExpression */: - return isCompletedNode(n.template, sourceFile); - case 186 /* TemplateExpression */: - var lastSpan = ts.lastOrUndefined(n.templateSpans); - return isCompletedNode(lastSpan, sourceFile); - case 193 /* TemplateSpan */: - return ts.nodeIsPresent(n.literal); - case 182 /* PrefixUnaryExpression */: - return isCompletedNode(n.operand, sourceFile); - case 184 /* BinaryExpression */: - return isCompletedNode(n.right, sourceFile); - case 185 /* ConditionalExpression */: - return isCompletedNode(n.whenFalse, sourceFile); - default: - return true; - } - } - ts.isCompletedNode = isCompletedNode; - /* - * Checks if node ends with 'expectedLastToken'. - * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'. - */ - function nodeEndsWith(n, expectedLastToken, sourceFile) { - var children = n.getChildren(sourceFile); - if (children.length) { - var last = ts.lastOrUndefined(children); - if (last.kind === expectedLastToken) { - return true; - } - else if (last.kind === 23 /* SemicolonToken */ && children.length !== 1) { - return children[children.length - 2].kind === expectedLastToken; - } - } - return false; - } - function findListItemInfo(node) { - var list = findContainingList(node); - // It is possible at this point for syntaxList to be undefined, either if - // node.parent had no list child, or if none of its list children contained - // the span of node. If this happens, return undefined. The caller should - // handle this case. - if (!list) { - return undefined; - } - var children = list.getChildren(); - var listItemIndex = ts.indexOf(children, node); - return { - listItemIndex: listItemIndex, - list: list - }; - } - ts.findListItemInfo = findListItemInfo; - function hasChildOfKind(n, kind, sourceFile) { - return !!findChildOfKind(n, kind, sourceFile); - } - ts.hasChildOfKind = hasChildOfKind; - function findChildOfKind(n, kind, sourceFile) { - return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); - } - ts.findChildOfKind = findChildOfKind; - function findContainingList(node) { - // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will - // be parented by the container of the SyntaxList, not the SyntaxList itself. - // In order to find the list item index, we first need to locate SyntaxList itself and then search - // for the position of the relevant node (or comma). - var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { - // find syntax list that covers the span of the node - if (c.kind === 274 /* SyntaxList */ && c.pos <= node.pos && c.end >= node.end) { - return c; - } - }); - // Either we didn't find an appropriate list, or the list must contain us. - ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); - return syntaxList; - } - ts.findContainingList = findContainingList; - /* Gets the token whose text has range [start, end) and - * position >= start and (position < end or (position === end && token is keyword or identifier)) - */ - function getTouchingWord(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); - } - ts.getTouchingWord = getTouchingWord; - /* Gets the token whose text has range [start, end) and position >= start - * and (position < end or (position === end && token is keyword or identifier or numeric\string litera)) - */ - function getTouchingPropertyName(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); - } - ts.getTouchingPropertyName = getTouchingPropertyName; - /** Returns the token if position is in [start, end) or if position === end and includeItemAtEndPosition(token) === true */ - function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { - return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includeItemAtEndPosition); - } - ts.getTouchingToken = getTouchingToken; - /** Returns a token if position is in [start-of-leading-trivia, end) */ - function getTokenAtPosition(sourceFile, position) { - return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includeItemAtEndPosition*/ undefined); - } - ts.getTokenAtPosition = getTokenAtPosition; - /** Get the token whose text contains the position */ - function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { - var current = sourceFile; - outer: while (true) { - if (isToken(current)) { - // exit early - return current; - } - // find the child that contains 'position' - for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { - var child = current.getChildAt(i); - var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); - if (start <= position) { - var end = child.getEnd(); - if (position < end || (position === end && child.kind === 1 /* EndOfFileToken */)) { - current = child; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, child); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } - } - } - return current; - } - } - /** - * The token on the left of the position is the token that strictly includes the position - * or sits to the left of the cursor if it is on a boundary. For example - * - * fo|o -> will return foo - * foo |bar -> will return foo - * - */ - function findTokenOnLeftOfPosition(file, position) { - // Ideally, getTokenAtPosition should return a token. However, it is currently - // broken, so we do a check to make sure the result was indeed a token. - var tokenAtPosition = getTokenAtPosition(file, position); - if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { - return tokenAtPosition; - } - return findPrecedingToken(position, file); - } - ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; - function findNextToken(previousToken, parent) { - return find(parent); - function find(n) { - if (isToken(n) && n.pos === previousToken.end) { - // this is token that starts at the end of previous token - return it - return n; - } - var children = n.getChildren(); - for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { - var child = children_1[_i]; - var shouldDiveInChildNode = - // previous token is enclosed somewhere in the child - (child.pos <= previousToken.pos && child.end > previousToken.end) || - // previous token ends exactly at the beginning of child - (child.pos === previousToken.end); - if (shouldDiveInChildNode && nodeHasTokens(child)) { - return find(child); - } - } - return undefined; - } - } - ts.findNextToken = findNextToken; - function findPrecedingToken(position, sourceFile, startNode) { - return find(startNode || sourceFile); - function findRightmostToken(n) { - if (isToken(n) || n.kind === 239 /* JsxText */) { - return n; - } - var children = n.getChildren(); - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); - return candidate && findRightmostToken(candidate); - } - function find(n) { - if (isToken(n) || n.kind === 239 /* JsxText */) { - return n; - } - var children = n.getChildren(); - for (var i = 0, len = children.length; i < len; i++) { - var child = children[i]; - // condition 'position < child.end' checks if child node end after the position - // in the example below this condition will be false for 'aaaa' and 'bbbb' and true for 'ccc' - // aaaa___bbbb___$__ccc - // after we found child node with end after the position we check if start of the node is after the position. - // if yes - then position is in the trivia and we need to look into the previous child to find the token in question. - // if no - position is in the node itself so we should recurse in it. - // NOTE: JsxText is a weird kind of node that can contain only whitespaces (since they are not counted as trivia). - // if this is the case - then we should assume that token in question is located in previous child. - if (position < child.end && (nodeHasTokens(child) || child.kind === 239 /* JsxText */)) { - var start = child.getStart(sourceFile); - var lookInPreviousChild = (start >= position) || - (child.kind === 239 /* JsxText */ && start === child.end); // whitespace only JsxText - if (lookInPreviousChild) { - // actual start of the node is past the position - previous token should be at the end of previous child - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i); - return candidate && findRightmostToken(candidate); - } - else { - // candidate should be in this node - return find(child); - } - } - } - ts.Debug.assert(startNode !== undefined || n.kind === 251 /* SourceFile */); - // Here we know that none of child token nodes embrace the position, - // the only known case is when position is at the end of the file. - // Try to find the rightmost token in the file without filtering. - // Namely we are skipping the check: 'position < node.end' - if (children.length) { - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); - return candidate && findRightmostToken(candidate); - } - } - /// finds last node that is considered as candidate for search (isCandidate(node) === true) starting from 'exclusiveStartPosition' - function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { - for (var i = exclusiveStartPosition - 1; i >= 0; --i) { - if (nodeHasTokens(children[i])) { - return children[i]; - } - } - } - } - ts.findPrecedingToken = findPrecedingToken; - function isInString(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - return token && (token.kind === 9 /* StringLiteral */ || token.kind === 163 /* StringLiteralType */) && position > token.getStart(); - } - ts.isInString = isInString; - function isInComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, /*predicate*/ undefined); - } - ts.isInComment = isInComment; - /** - * Returns true if the cursor at position in sourceFile is within a comment that additionally - * satisfies predicate, and false otherwise. - */ - function isInCommentHelper(sourceFile, position, predicate) { - var token = getTokenAtPosition(sourceFile, position); - if (token && position <= token.getStart()) { - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - // The end marker of a single-line comment does not include the newline character. - // In the following case, we are inside a comment (^ denotes the cursor position): - // - // // asdf ^\n - // - // But for multi-line comments, we don't want to be inside the comment in the following case: - // - // /* asdf */^ - // - // Internally, we represent the end of the comment at the newline and closing '/', respectively. - return predicate ? - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end) && - predicate(c); }) : - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end); }); - } - return false; - } - ts.isInCommentHelper = isInCommentHelper; - function hasDocComment(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - // First, we have to see if this position actually landed in a comment. - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return ts.forEach(commentRanges, jsDocPrefix); - function jsDocPrefix(c) { - var text = sourceFile.text; - return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; - } - } - ts.hasDocComment = hasDocComment; - /** - * Get the corresponding JSDocTag node if the position is in a jsDoc comment - */ - function getJsDocTagAtPosition(sourceFile, position) { - var node = ts.getTokenAtPosition(sourceFile, position); - if (isToken(node)) { - switch (node.kind) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - // if the current token is var, let or const, skip the VariableDeclarationList - node = node.parent === undefined ? undefined : node.parent.parent; - break; - default: - node = node.parent; - break; - } - } - if (node) { - var jsDocComment = node.jsDocComment; - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos <= position && position <= tag.end) { - return tag; - } - } - } - } - return undefined; - } - ts.getJsDocTagAtPosition = getJsDocTagAtPosition; - function nodeHasTokens(n) { - // If we have a token or node that has a non-zero width, it must have tokens. - // Note, that getWidth() does not take trivia into account. - return n.getWidth() !== 0; - } - function getNodeModifiers(node) { - var flags = ts.getCombinedNodeFlags(node); - var result = []; - if (flags & 16 /* Private */) - result.push(ts.ScriptElementKindModifier.privateMemberModifier); - if (flags & 32 /* Protected */) - result.push(ts.ScriptElementKindModifier.protectedMemberModifier); - if (flags & 8 /* Public */) - result.push(ts.ScriptElementKindModifier.publicMemberModifier); - if (flags & 64 /* Static */) - result.push(ts.ScriptElementKindModifier.staticModifier); - if (flags & 128 /* Abstract */) - result.push(ts.ScriptElementKindModifier.abstractModifier); - if (flags & 2 /* Export */) - result.push(ts.ScriptElementKindModifier.exportedModifier); - if (ts.isInAmbientContext(node)) - result.push(ts.ScriptElementKindModifier.ambientModifier); - return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; - } - ts.getNodeModifiers = getNodeModifiers; - function getTypeArgumentOrTypeParameterList(node) { - if (node.kind === 152 /* TypeReference */ || node.kind === 171 /* CallExpression */) { - return node.typeArguments; - } - if (ts.isFunctionLike(node) || node.kind === 217 /* ClassDeclaration */ || node.kind === 218 /* InterfaceDeclaration */) { - return node.typeParameters; - } - return undefined; - } - ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; - function isToken(n) { - return n.kind >= 0 /* FirstToken */ && n.kind <= 135 /* LastToken */; - } - ts.isToken = isToken; - function isWord(kind) { - return kind === 69 /* Identifier */ || ts.isKeyword(kind); - } - ts.isWord = isWord; - function isPropertyName(kind) { - return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */ || isWord(kind); - } - function isComment(kind) { - return kind === 2 /* SingleLineCommentTrivia */ || kind === 3 /* MultiLineCommentTrivia */; - } - ts.isComment = isComment; - function isStringOrRegularExpressionOrTemplateLiteral(kind) { - if (kind === 9 /* StringLiteral */ - || kind === 163 /* StringLiteralType */ - || kind === 10 /* RegularExpressionLiteral */ - || ts.isTemplateLiteralKind(kind)) { - return true; - } - return false; - } - ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; - function isPunctuation(kind) { - return 15 /* FirstPunctuation */ <= kind && kind <= 68 /* LastPunctuation */; - } - ts.isPunctuation = isPunctuation; - function isInsideTemplateLiteral(node, position) { - return ts.isTemplateLiteralKind(node.kind) - && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); - } - ts.isInsideTemplateLiteral = isInsideTemplateLiteral; - function isAccessibilityModifier(kind) { - switch (kind) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return true; - } - return false; - } - ts.isAccessibilityModifier = isAccessibilityModifier; - function compareDataObjects(dst, src) { - for (var e in dst) { - if (typeof dst[e] === "object") { - if (!compareDataObjects(dst[e], src[e])) { - return false; - } - } - else if (typeof dst[e] !== "function") { - if (dst[e] !== src[e]) { - return false; - } - } - } - return true; - } - ts.compareDataObjects = compareDataObjects; - function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { - if (node.kind === 167 /* ArrayLiteralExpression */ || - node.kind === 168 /* ObjectLiteralExpression */) { - // [a,b,c] from: - // [a, b, c] = someExpression; - if (node.parent.kind === 184 /* BinaryExpression */ && - node.parent.left === node && - node.parent.operatorToken.kind === 56 /* EqualsToken */) { - return true; - } - // [a, b, c] from: - // for([a, b, c] of expression) - if (node.parent.kind === 204 /* ForOfStatement */ && - node.parent.initializer === node) { - return true; - } - // [a, b, c] of - // [x, [a, b, c] ] = someExpression - // or - // {x, a: {a, b, c} } = someExpression - if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 /* PropertyAssignment */ ? node.parent.parent : node.parent)) { - return true; - } - } - return false; - } - ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; -})(ts || (ts = {})); -// Display-part writer helpers -/* @internal */ -var ts; -(function (ts) { - function isFirstDeclarationOfSymbolParameter(symbol) { - return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139 /* Parameter */; - } - ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; - var displayPartWriter = getDisplayPartWriter(); - function getDisplayPartWriter() { - var displayParts; - var lineStart; - var indent; - resetWriter(); - return { - displayParts: function () { return displayParts; }, - writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, - writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, - writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, - writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, - writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, - writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, - writeSymbol: writeSymbol, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - function writeIndent() { - if (lineStart) { - var indentString = ts.getIndentString(indent); - if (indentString) { - displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); - } - lineStart = false; - } - } - function writeKind(text, kind) { - writeIndent(); - displayParts.push(displayPart(text, kind)); - } - function writeSymbol(text, symbol) { - writeIndent(); - displayParts.push(symbolPart(text, symbol)); - } - function writeLine() { - displayParts.push(lineBreakPart()); - lineStart = true; - } - function resetWriter() { - displayParts = []; - lineStart = true; - indent = 0; - } - } - function symbolPart(text, symbol) { - return displayPart(text, displayPartKind(symbol), symbol); - function displayPartKind(symbol) { - var flags = symbol.flags; - if (flags & 3 /* Variable */) { - return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; - } - else if (flags & 4 /* Property */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 32768 /* GetAccessor */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 65536 /* SetAccessor */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 8 /* EnumMember */) { - return ts.SymbolDisplayPartKind.enumMemberName; - } - else if (flags & 16 /* Function */) { - return ts.SymbolDisplayPartKind.functionName; - } - else if (flags & 32 /* Class */) { - return ts.SymbolDisplayPartKind.className; - } - else if (flags & 64 /* Interface */) { - return ts.SymbolDisplayPartKind.interfaceName; - } - else if (flags & 384 /* Enum */) { - return ts.SymbolDisplayPartKind.enumName; - } - else if (flags & 1536 /* Module */) { - return ts.SymbolDisplayPartKind.moduleName; - } - else if (flags & 8192 /* Method */) { - return ts.SymbolDisplayPartKind.methodName; - } - else if (flags & 262144 /* TypeParameter */) { - return ts.SymbolDisplayPartKind.typeParameterName; - } - else if (flags & 524288 /* TypeAlias */) { - return ts.SymbolDisplayPartKind.aliasName; - } - else if (flags & 8388608 /* Alias */) { - return ts.SymbolDisplayPartKind.aliasName; - } - return ts.SymbolDisplayPartKind.text; - } - } - ts.symbolPart = symbolPart; - function displayPart(text, kind, symbol) { - return { - text: text, - kind: ts.SymbolDisplayPartKind[kind] - }; - } - ts.displayPart = displayPart; - function spacePart() { - return displayPart(" ", ts.SymbolDisplayPartKind.space); - } - ts.spacePart = spacePart; - function keywordPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); - } - ts.keywordPart = keywordPart; - function punctuationPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); - } - ts.punctuationPart = punctuationPart; - function operatorPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); - } - ts.operatorPart = operatorPart; - function textOrKeywordPart(text) { - var kind = ts.stringToToken(text); - return kind === undefined - ? textPart(text) - : keywordPart(kind); - } - ts.textOrKeywordPart = textOrKeywordPart; - function textPart(text) { - return displayPart(text, ts.SymbolDisplayPartKind.text); - } - ts.textPart = textPart; - var carriageReturnLineFeed = "\r\n"; - /** - * The default is CRLF. - */ - function getNewLineOrDefaultFromHost(host) { - return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; - } - ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; - function lineBreakPart() { - return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); - } - ts.lineBreakPart = lineBreakPart; - function mapToDisplayParts(writeDisplayParts) { - writeDisplayParts(displayPartWriter); - var result = displayPartWriter.displayParts(); - displayPartWriter.clear(); - return result; - } - ts.mapToDisplayParts = mapToDisplayParts; - function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - }); - } - ts.typeToDisplayParts = typeToDisplayParts; - function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { - return mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); - }); - } - ts.symbolToDisplayParts = symbolToDisplayParts; - function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); - }); - } - ts.signatureToDisplayParts = signatureToDisplayParts; - function getDeclaredName(typeChecker, symbol, location) { - // If this is an export or import specifier it could have been renamed using the 'as' syntax. - // If so we want to search for whatever is under the cursor. - if (isImportOrExportSpecifierName(location)) { - return location.getText(); - } - // Try to get the local symbol if we're dealing with an 'export default' - // since that symbol has the "true" name. - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); - return name; - } - ts.getDeclaredName = getDeclaredName; - function isImportOrExportSpecifierName(location) { - return location.parent && - (location.parent.kind === 229 /* ImportSpecifier */ || location.parent.kind === 233 /* ExportSpecifier */) && - location.parent.propertyName === location; - } - ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; - /** - * Strip off existed single quotes or double quotes from a given string - * - * @return non-quoted string - */ - function stripQuotes(name) { - var length = name.length; - if (length >= 2 && - name.charCodeAt(0) === name.charCodeAt(length - 1) && - (name.charCodeAt(0) === 34 /* doubleQuote */ || name.charCodeAt(0) === 39 /* singleQuote */)) { - return name.substring(1, length - 1); - } - ; - return name; - } - ts.stripQuotes = stripQuotes; -})(ts || (ts = {})); -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var standardScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */); - var jsxScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 1 /* JSX */); - /** - * Scanner that is currently used for formatting - */ - var scanner; - var ScanAction; - (function (ScanAction) { - ScanAction[ScanAction["Scan"] = 0] = "Scan"; - ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; - ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; - ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; - ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; - })(ScanAction || (ScanAction = {})); - function getFormattingScanner(sourceFile, startPos, endPos) { - ts.Debug.assert(scanner === undefined); - scanner = sourceFile.languageVariant === 1 /* JSX */ ? jsxScanner : standardScanner; - scanner.setText(sourceFile.text); - scanner.setTextPos(startPos); - var wasNewLine = true; - var leadingTrivia; - var trailingTrivia; - var savedPos; - var lastScanAction; - var lastTokenInfo; - return { - advance: advance, - readTokenInfo: readTokenInfo, - isOnToken: isOnToken, - getCurrentLeadingTrivia: function () { return leadingTrivia; }, - lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, - close: function () { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - scanner.setText(undefined); - scanner = undefined; - } - }; - function advance() { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - var isStarted = scanner.getStartPos() !== startPos; - if (isStarted) { - if (trailingTrivia) { - ts.Debug.assert(trailingTrivia.length !== 0); - wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4 /* NewLineTrivia */; - } - else { - wasNewLine = false; - } - } - leadingTrivia = undefined; - trailingTrivia = undefined; - if (!isStarted) { - scanner.scan(); - } - var t; - var pos = scanner.getStartPos(); - // Read leading trivia and token - while (pos < endPos) { - var t_1 = scanner.getToken(); - if (!ts.isTrivia(t_1)) { - break; - } - // consume leading trivia - scanner.scan(); - var item = { - pos: pos, - end: scanner.getStartPos(), - kind: t_1 - }; - pos = scanner.getStartPos(); - if (!leadingTrivia) { - leadingTrivia = []; - } - leadingTrivia.push(item); - } - savedPos = scanner.getStartPos(); - } - function shouldRescanGreaterThanToken(node) { - if (node) { - switch (node.kind) { - case 29 /* GreaterThanEqualsToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - return true; - } - } - return false; - } - function shouldRescanJsxIdentifier(node) { - if (node.parent) { - switch (node.parent.kind) { - case 241 /* JsxAttribute */: - case 238 /* JsxOpeningElement */: - case 240 /* JsxClosingElement */: - case 237 /* JsxSelfClosingElement */: - return node.kind === 69 /* Identifier */; - } - } - return false; - } - function shouldRescanSlashToken(container) { - return container.kind === 10 /* RegularExpressionLiteral */; - } - function shouldRescanTemplateToken(container) { - return container.kind === 13 /* TemplateMiddle */ || - container.kind === 14 /* TemplateTail */; - } - function startsWithSlashToken(t) { - return t === 39 /* SlashToken */ || t === 61 /* SlashEqualsToken */; - } - function readTokenInfo(n) { - ts.Debug.assert(scanner !== undefined); - if (!isOnToken()) { - // scanner is not on the token (either advance was not called yet or scanner is already past the end position) - return { - leadingTrivia: leadingTrivia, - trailingTrivia: undefined, - token: undefined - }; - } - // normally scanner returns the smallest available token - // check the kind of context node to determine if scanner should have more greedy behavior and consume more text. - var expectedScanAction = shouldRescanGreaterThanToken(n) - ? 1 /* RescanGreaterThanToken */ - : shouldRescanSlashToken(n) - ? 2 /* RescanSlashToken */ - : shouldRescanTemplateToken(n) - ? 3 /* RescanTemplateToken */ - : shouldRescanJsxIdentifier(n) - ? 4 /* RescanJsxIdentifier */ - : 0 /* Scan */; - if (lastTokenInfo && expectedScanAction === lastScanAction) { - // readTokenInfo was called before with the same expected scan action. - // No need to re-scan text, return existing 'lastTokenInfo' - // it is ok to call fixTokenKind here since it does not affect - // what portion of text is consumed. In opposize rescanning can change it, - // i.e. for '>=' when originally scanner eats just one character - // and rescanning forces it to consume more. - return fixTokenKind(lastTokenInfo, n); - } - if (scanner.getStartPos() !== savedPos) { - ts.Debug.assert(lastTokenInfo !== undefined); - // readTokenInfo was called before but scan action differs - rescan text - scanner.setTextPos(savedPos); - scanner.scan(); - } - var currentToken = scanner.getToken(); - if (expectedScanAction === 1 /* RescanGreaterThanToken */ && currentToken === 27 /* GreaterThanToken */) { - currentToken = scanner.reScanGreaterToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 1 /* RescanGreaterThanToken */; - } - else if (expectedScanAction === 2 /* RescanSlashToken */ && startsWithSlashToken(currentToken)) { - currentToken = scanner.reScanSlashToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 2 /* RescanSlashToken */; - } - else if (expectedScanAction === 3 /* RescanTemplateToken */ && currentToken === 16 /* CloseBraceToken */) { - currentToken = scanner.reScanTemplateToken(); - lastScanAction = 3 /* RescanTemplateToken */; - } - else if (expectedScanAction === 4 /* RescanJsxIdentifier */ && currentToken === 69 /* Identifier */) { - currentToken = scanner.scanJsxIdentifier(); - lastScanAction = 4 /* RescanJsxIdentifier */; - } - else { - lastScanAction = 0 /* Scan */; - } - var token = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - // consume trailing trivia - if (trailingTrivia) { - trailingTrivia = undefined; - } - while (scanner.getStartPos() < endPos) { - currentToken = scanner.scan(); - if (!ts.isTrivia(currentToken)) { - break; - } - var trivia = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (!trailingTrivia) { - trailingTrivia = []; - } - trailingTrivia.push(trivia); - if (currentToken === 4 /* NewLineTrivia */) { - // move past new line - scanner.scan(); - break; - } - } - lastTokenInfo = { - leadingTrivia: leadingTrivia, - trailingTrivia: trailingTrivia, - token: token - }; - return fixTokenKind(lastTokenInfo, n); - } - function isOnToken() { - ts.Debug.assert(scanner !== undefined); - var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); - var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); - return startPos < endPos && current !== 1 /* EndOfFileToken */ && !ts.isTrivia(current); - } - // when containing node in the tree is token - // but its kind differs from the kind that was returned by the scanner, - // then kind needs to be fixed. This might happen in cases - // when parser interprets token differently, i.e keyword treated as identifier - function fixTokenKind(tokenInfo, container) { - if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { - tokenInfo.token.kind = container.kind; - } - return tokenInfo; - } - } - formatting.getFormattingScanner = getFormattingScanner; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var FormattingContext = (function () { - function FormattingContext(sourceFile, formattingRequestKind) { - this.sourceFile = sourceFile; - this.formattingRequestKind = formattingRequestKind; - } - FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { - ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); - ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); - ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); - ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); - ts.Debug.assert(commonParent !== undefined, "commonParent is null"); - this.currentTokenSpan = currentRange; - this.currentTokenParent = currentTokenParent; - this.nextTokenSpan = nextRange; - this.nextTokenParent = nextTokenParent; - this.contextNode = commonParent; - // drop cached results - this.contextNodeAllOnSameLine = undefined; - this.nextNodeAllOnSameLine = undefined; - this.tokensAreOnSameLine = undefined; - this.contextNodeBlockIsOnOneLine = undefined; - this.nextNodeBlockIsOnOneLine = undefined; - }; - FormattingContext.prototype.ContextNodeAllOnSameLine = function () { - if (this.contextNodeAllOnSameLine === undefined) { - this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); - } - return this.contextNodeAllOnSameLine; - }; - FormattingContext.prototype.NextNodeAllOnSameLine = function () { - if (this.nextNodeAllOnSameLine === undefined) { - this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeAllOnSameLine; - }; - FormattingContext.prototype.TokensAreOnSameLine = function () { - if (this.tokensAreOnSameLine === undefined) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; - this.tokensAreOnSameLine = (startLine === endLine); - } - return this.tokensAreOnSameLine; - }; - FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { - if (this.contextNodeBlockIsOnOneLine === undefined) { - this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); - } - return this.contextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { - if (this.nextNodeBlockIsOnOneLine === undefined) { - this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NodeIsOnOneLine = function (node) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; - return startLine === endLine; - }; - FormattingContext.prototype.BlockIsOnOneLine = function (node) { - var openBrace = ts.findChildOfKind(node, 15 /* OpenBraceToken */, this.sourceFile); - var closeBrace = ts.findChildOfKind(node, 16 /* CloseBraceToken */, this.sourceFile); - if (openBrace && closeBrace) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; - return startLine === endLine; - } - return false; - }; - return FormattingContext; - }()); - formatting.FormattingContext = FormattingContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (FormattingRequestKind) { - FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; - FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; - FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; - FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; - FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; - })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); - var FormattingRequestKind = formatting.FormattingRequestKind; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rule = (function () { - function Rule(Descriptor, Operation, Flag) { - if (Flag === void 0) { Flag = 0 /* None */; } - this.Descriptor = Descriptor; - this.Operation = Operation; - this.Flag = Flag; - } - Rule.prototype.toString = function () { - return "[desc=" + this.Descriptor + "," + - "operation=" + this.Operation + "," + - "flag=" + this.Flag + "]"; - }; - return Rule; - }()); - formatting.Rule = Rule; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleAction) { - RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; - RuleAction[RuleAction["Space"] = 2] = "Space"; - RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; - RuleAction[RuleAction["Delete"] = 8] = "Delete"; - })(formatting.RuleAction || (formatting.RuleAction = {})); - var RuleAction = formatting.RuleAction; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleDescriptor = (function () { - function RuleDescriptor(LeftTokenRange, RightTokenRange) { - this.LeftTokenRange = LeftTokenRange; - this.RightTokenRange = RightTokenRange; - } - RuleDescriptor.prototype.toString = function () { - return "[leftRange=" + this.LeftTokenRange + "," + - "rightRange=" + this.RightTokenRange + "]"; - }; - RuleDescriptor.create1 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create2 = function (left, right) { - return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create3 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); - }; - RuleDescriptor.create4 = function (left, right) { - return new RuleDescriptor(left, right); - }; - return RuleDescriptor; - }()); - formatting.RuleDescriptor = RuleDescriptor; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleFlags) { - RuleFlags[RuleFlags["None"] = 0] = "None"; - RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; - })(formatting.RuleFlags || (formatting.RuleFlags = {})); - var RuleFlags = formatting.RuleFlags; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperation = (function () { - function RuleOperation() { - this.Context = null; - this.Action = null; - } - RuleOperation.prototype.toString = function () { - return "[context=" + this.Context + "," + - "action=" + this.Action + "]"; - }; - RuleOperation.create1 = function (action) { - return RuleOperation.create2(formatting.RuleOperationContext.Any, action); - }; - RuleOperation.create2 = function (context, action) { - var result = new RuleOperation(); - result.Context = context; - result.Action = action; - return result; - }; - return RuleOperation; - }()); - formatting.RuleOperation = RuleOperation; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperationContext = (function () { - function RuleOperationContext() { - var funcs = []; - for (var _i = 0; _i < arguments.length; _i++) { - funcs[_i - 0] = arguments[_i]; - } - this.customContextChecks = funcs; - } - RuleOperationContext.prototype.IsAny = function () { - return this === RuleOperationContext.Any; - }; - RuleOperationContext.prototype.InContext = function (context) { - if (this.IsAny()) { - return true; - } - for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { - var check = _a[_i]; - if (!check(context)) { - return false; - } - } - return true; - }; - RuleOperationContext.Any = new RuleOperationContext(); - return RuleOperationContext; - }()); - formatting.RuleOperationContext = RuleOperationContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rules = (function () { - function Rules() { - /// - /// Common Rules - /// - // Leave comments alone - this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1 /* Ignore */)); - this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2 /* SingleLineCommentTrivia */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1 /* Ignore */)); - // Space after keyword but not before ; or : or ? - this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54 /* ColonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53 /* QuestionToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54 /* ColonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2 /* Space */)); - this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2 /* Space */)); - this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Space after }. - this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2 /* Space */)); - // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied - this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 80 /* ElseKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 104 /* WhileKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 20 /* CloseBracketToken */, 24 /* CommaToken */, 23 /* SemicolonToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // No space for dot - this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21 /* DotToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21 /* DotToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // No space before and after indexer - this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19 /* OpenBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20 /* CloseBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8 /* Delete */)); - // Place a space before open brace in a function declaration - this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; - this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc) - this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 3 /* MultiLineCommentTrivia */, 73 /* ClassKeyword */]); - this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Place a space before open brace in a control flow construct - this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 3 /* MultiLineCommentTrivia */, 79 /* DoKeyword */, 100 /* TryKeyword */, 85 /* FinallyKeyword */, 80 /* ElseKeyword */]); - this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}. - this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); - this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); - this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8 /* Delete */)); - // Insert new line after { and before } in multi-line contexts. - this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); - // For functions and control block place } on a new line [multi-line rule] - this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); - // Special handling of unary operators. - // Prefix operators generally shouldn't have a space between - // them and their target unary expression. - this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41 /* PlusPlusToken */, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42 /* MinusMinusToken */, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // More unary operator special-casing. - // DevDiv 181814: Be careful when removing leading whitespace - // around unary operators. Examples: - // 1 - -2 --X--> 1--2 - // a + ++b --X--> a+++b - this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41 /* PlusPlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42 /* MinusMinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24 /* CommaToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102 /* VarKeyword */, 98 /* ThrowKeyword */, 92 /* NewKeyword */, 78 /* DeleteKeyword */, 94 /* ReturnKeyword */, 101 /* TypeOfKeyword */, 119 /* AwaitKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108 /* LetKeyword */, 74 /* ConstKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2 /* Space */)); - this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8 /* Delete */)); - this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87 /* FunctionKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8 /* Delete */)); - this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103 /* VoidKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2 /* Space */)); - this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94 /* ReturnKeyword */, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Add a space between statements. All keywords except (do,else,case) has open/close parens after them. - // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any] - this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 79 /* DoKeyword */, 80 /* ElseKeyword */, 71 /* CaseKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2 /* Space */)); - // This low-pri rule takes care of "try {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter. - this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100 /* TryKeyword */, 85 /* FinallyKeyword */]), 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // get x() {} - // set x(val) {} - this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123 /* GetKeyword */, 129 /* SetKeyword */]), 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options. - this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - // TypeScript-specific higher priority rules - // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses - this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121 /* ConstructorKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Use of module as a function call. e.g.: import m2 = module("m2"); - this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125 /* ModuleKeyword */, 127 /* RequireKeyword */]), 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Add a space around certain TypeScript keywords - this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 73 /* ClassKeyword */, 122 /* DeclareKeyword */, 77 /* DefaultKeyword */, 81 /* EnumKeyword */, 82 /* ExportKeyword */, 83 /* ExtendsKeyword */, 123 /* GetKeyword */, 106 /* ImplementsKeyword */, 89 /* ImportKeyword */, 107 /* InterfaceKeyword */, 125 /* ModuleKeyword */, 126 /* NamespaceKeyword */, 110 /* PrivateKeyword */, 112 /* PublicKeyword */, 111 /* ProtectedKeyword */, 129 /* SetKeyword */, 113 /* StaticKeyword */, 132 /* TypeKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83 /* ExtendsKeyword */, 106 /* ImplementsKeyword */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" { - this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9 /* StringLiteral */, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2 /* Space */)); - // Lambda expressions - this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34 /* EqualsGreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34 /* EqualsGreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Optional parameters and let args - this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22 /* DotDotDotToken */, 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - // generics and type assertions - this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18 /* CloseParenToken */, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25 /* LessThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27 /* GreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.FromTokens([17 /* OpenParenToken */, 19 /* OpenBracketToken */, 27 /* GreaterThanToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8 /* Delete */)); - // Remove spaces in empty interface literals. e.g.: x: {} - this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8 /* Delete */)); - // decorators - this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55 /* AtToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55 /* AtToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 69 /* Identifier */, 82 /* ExportKeyword */, 77 /* DefaultKeyword */, 73 /* ClassKeyword */, 113 /* StaticKeyword */, 112 /* PublicKeyword */, 110 /* PrivateKeyword */, 111 /* ProtectedKeyword */, 123 /* GetKeyword */, 129 /* SetKeyword */, 19 /* OpenBracketToken */, 37 /* AsteriskToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2 /* Space */)); - this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8 /* Delete */)); - this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37 /* AsteriskToken */, formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2 /* Space */)); - this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114 /* YieldKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8 /* Delete */)); - this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114 /* YieldKeyword */, 37 /* AsteriskToken */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2 /* Space */)); - // Async-await - this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 87 /* FunctionKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // template string - this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69 /* Identifier */, formatting.Shared.TokenRange.FromTokens([11 /* NoSubstitutionTemplateLiteral */, 12 /* TemplateHead */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // These rules are higher in priority than user-configurable rules. - this.HighPriorityCommonRules = [ - this.IgnoreBeforeComment, this.IgnoreAfterLineComment, - this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, - this.NoSpaceAfterQuestionMark, - this.NoSpaceBeforeDot, this.NoSpaceAfterDot, - this.NoSpaceAfterUnaryPrefixOperator, - this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, - this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, - this.SpaceAfterPostincrementWhenFollowedByAdd, - this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, - this.SpaceAfterPostdecrementWhenFollowedBySubtract, - this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, - this.NoSpaceAfterCloseBrace, - this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, - this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, - this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, - this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, - this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, - this.NoSpaceBetweenReturnAndSemicolon, - this.SpaceAfterCertainKeywords, - this.SpaceAfterLetConstInVariableDeclaration, - this.NoSpaceBeforeOpenParenInFuncCall, - this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, - this.SpaceAfterVoidOperator, - this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, - this.NoSpaceBetweenTagAndTemplateString, - // TypeScript-specific rules - this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, - this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, - this.SpaceAfterModuleName, - this.SpaceBeforeArrow, this.SpaceAfterArrow, - this.NoSpaceAfterEllipsis, - this.NoSpaceAfterOptionalParameters, - this.NoSpaceBetweenEmptyInterfaceBraceBrackets, - this.NoSpaceBeforeOpenAngularBracket, - this.NoSpaceBetweenCloseParenAndAngularBracket, - this.NoSpaceAfterOpenAngularBracket, - this.NoSpaceBeforeCloseAngularBracket, - this.NoSpaceAfterCloseAngularBracket, - this.NoSpaceAfterTypeAssertion, - this.SpaceBeforeAt, - this.NoSpaceAfterAt, - this.SpaceAfterDecorator, - ]; - // These rules are lower in priority than user-configurable rules. - this.LowPriorityCommonRules = [ - this.NoSpaceBeforeSemicolon, - this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, - this.NoSpaceBeforeComma, - this.NoSpaceBeforeOpenBracket, - this.NoSpaceAfterCloseBracket, - this.SpaceAfterSemicolon, - this.NoSpaceBeforeOpenParenInFuncDecl, - this.SpaceBetweenStatements, this.SpaceAfterTryFinally - ]; - /// - /// Rules controlled by user options - /// - // Insert space after comma delimiter - this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2 /* Space */)); - this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space before and after binary operators - this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); - this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); - // Insert space after keywords in control flow statements - this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2 /* Space */)); - this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8 /* Delete */)); - // Open Brace braces after function - //TypeScript: Function can have return types, which can be made of tons of different token kinds - this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Open Brace braces after TypeScript module/class/interface - this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Open Brace braces after control block - this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Insert space after semicolon in for statement - this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2 /* Space */)); - this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8 /* Delete */)); - // Insert space after opening and before closing nonempty parenthesis - this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17 /* OpenParenToken */, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space after opening and before closing nonempty brackets - this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19 /* OpenBracketToken */, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space after opening and before closing template string braces - this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Insert space after function keyword for anonymous functions - this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8 /* Delete */)); - } - Rules.prototype.getRuleName = function (rule) { - var o = this; - for (var name_34 in o) { - if (o[name_34] === rule) { - return name_34; - } - } - throw new Error("Unknown rule"); - }; - /// - /// Contexts - /// - Rules.IsForContext = function (context) { - return context.contextNode.kind === 202 /* ForStatement */; - }; - Rules.IsNotForContext = function (context) { - return !Rules.IsForContext(context); - }; - Rules.IsBinaryOpContext = function (context) { - switch (context.contextNode.kind) { - case 184 /* BinaryExpression */: - case 185 /* ConditionalExpression */: - case 192 /* AsExpression */: - case 151 /* TypePredicate */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return true; - // equals in binding elements: function foo([[x, y] = [1, 2]]) - case 166 /* BindingElement */: - // equals in type X = ... - case 219 /* TypeAliasDeclaration */: - // equal in import a = module('a'); - case 224 /* ImportEqualsDeclaration */: - // equal in let a = 0; - case 214 /* VariableDeclaration */: - // equal in p = 0; - case 139 /* Parameter */: - case 250 /* EnumMember */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return context.currentTokenSpan.kind === 56 /* EqualsToken */ || context.nextTokenSpan.kind === 56 /* EqualsToken */; - // "in" keyword in for (let x in []) { } - case 203 /* ForInStatement */: - return context.currentTokenSpan.kind === 90 /* InKeyword */ || context.nextTokenSpan.kind === 90 /* InKeyword */; - // Technically, "of" is not a binary operator, but format it the same way as "in" - case 204 /* ForOfStatement */: - return context.currentTokenSpan.kind === 135 /* OfKeyword */ || context.nextTokenSpan.kind === 135 /* OfKeyword */; - } - return false; - }; - Rules.IsNotBinaryOpContext = function (context) { - return !Rules.IsBinaryOpContext(context); - }; - Rules.IsConditionalOperatorContext = function (context) { - return context.contextNode.kind === 185 /* ConditionalExpression */; - }; - Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { - //// This check is mainly used inside SpaceBeforeOpenBraceInControl and SpaceBeforeOpenBraceInFunction. - //// - //// Ex: - //// if (1) { .... - //// * ) and { are on the same line so apply the rule. Here we don't care whether it's same or multi block context - //// - //// Ex: - //// if (1) - //// { ... } - //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we don't format. - //// - //// Ex: - //// if (1) - //// { ... - //// } - //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we format. - return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); - }; - // This check is done before an open brace in a control construct, a function, or a typescript block declaration - Rules.IsBeforeMultilineBlockContext = function (context) { - return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); - }; - Rules.IsMultilineBlockContext = function (context) { - return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsSingleLineBlockContext = function (context) { - return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.contextNode); - }; - Rules.IsBeforeBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.nextTokenParent); - }; - // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children - Rules.NodeIsBlockContext = function (node) { - if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { - // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc). - return true; - } - switch (node.kind) { - case 195 /* Block */: - case 223 /* CaseBlock */: - case 168 /* ObjectLiteralExpression */: - case 222 /* ModuleBlock */: - return true; - } - return false; - }; - Rules.IsFunctionDeclContext = function (context) { - switch (context.contextNode.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - //case SyntaxKind.MemberFunctionDeclaration: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - ///case SyntaxKind.MethodSignature: - case 148 /* CallSignature */: - case 176 /* FunctionExpression */: - case 145 /* Constructor */: - case 177 /* ArrowFunction */: - //case SyntaxKind.ConstructorDeclaration: - //case SyntaxKind.SimpleArrowFunctionExpression: - //case SyntaxKind.ParenthesizedArrowFunctionExpression: - case 218 /* InterfaceDeclaration */: - return true; - } - return false; - }; - Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { - return context.contextNode.kind === 216 /* FunctionDeclaration */ || context.contextNode.kind === 176 /* FunctionExpression */; - }; - Rules.IsTypeScriptDeclWithBlockContext = function (context) { - return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); - }; - Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 156 /* TypeLiteral */: - case 221 /* ModuleDeclaration */: - return true; - } - return false; - }; - Rules.IsAfterCodeBlockContext = function (context) { - switch (context.currentTokenParent.kind) { - case 217 /* ClassDeclaration */: - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - case 195 /* Block */: - case 247 /* CatchClause */: - case 222 /* ModuleBlock */: - case 209 /* SwitchStatement */: - return true; - } - return false; - }; - Rules.IsControlDeclContext = function (context) { - switch (context.contextNode.kind) { - case 199 /* IfStatement */: - case 209 /* SwitchStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - case 212 /* TryStatement */: - case 200 /* DoStatement */: - case 208 /* WithStatement */: - // TODO - // case SyntaxKind.ElseClause: - case 247 /* CatchClause */: - return true; - default: - return false; - } - }; - Rules.IsObjectContext = function (context) { - return context.contextNode.kind === 168 /* ObjectLiteralExpression */; - }; - Rules.IsFunctionCallContext = function (context) { - return context.contextNode.kind === 171 /* CallExpression */; - }; - Rules.IsNewContext = function (context) { - return context.contextNode.kind === 172 /* NewExpression */; - }; - Rules.IsFunctionCallOrNewContext = function (context) { - return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); - }; - Rules.IsPreviousTokenNotComma = function (context) { - return context.currentTokenSpan.kind !== 24 /* CommaToken */; - }; - Rules.IsNextTokenNotCloseBracket = function (context) { - return context.nextTokenSpan.kind !== 20 /* CloseBracketToken */; - }; - Rules.IsArrowFunctionContext = function (context) { - return context.contextNode.kind === 177 /* ArrowFunction */; - }; - Rules.IsSameLineTokenContext = function (context) { - return context.TokensAreOnSameLine(); - }; - Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { - return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); - }; - Rules.IsEndOfDecoratorContextOnSameLine = function (context) { - return context.TokensAreOnSameLine() && - context.contextNode.decorators && - Rules.NodeIsInDecoratorContext(context.currentTokenParent) && - !Rules.NodeIsInDecoratorContext(context.nextTokenParent); - }; - Rules.NodeIsInDecoratorContext = function (node) { - while (ts.isExpression(node)) { - node = node.parent; - } - return node.kind === 140 /* Decorator */; - }; - Rules.IsStartOfVariableDeclarationList = function (context) { - return context.currentTokenParent.kind === 215 /* VariableDeclarationList */ && - context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; - }; - Rules.IsNotFormatOnEnter = function (context) { - return context.formattingRequestKind !== 2 /* FormatOnEnter */; - }; - Rules.IsModuleDeclContext = function (context) { - return context.contextNode.kind === 221 /* ModuleDeclaration */; - }; - Rules.IsObjectTypeContext = function (context) { - return context.contextNode.kind === 156 /* TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration; - }; - Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { - if (token.kind !== 25 /* LessThanToken */ && token.kind !== 27 /* GreaterThanToken */) { - return false; - } - switch (parent.kind) { - case 152 /* TypeReference */: - case 174 /* TypeAssertionExpression */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 191 /* ExpressionWithTypeArguments */: - return true; - default: - return false; - } - }; - Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { - return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || - Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); - }; - Rules.IsTypeAssertionContext = function (context) { - return context.contextNode.kind === 174 /* TypeAssertionExpression */; - }; - Rules.IsVoidOpContext = function (context) { - return context.currentTokenSpan.kind === 103 /* VoidKeyword */ && context.currentTokenParent.kind === 180 /* VoidExpression */; - }; - Rules.IsYieldOrYieldStarWithOperand = function (context) { - return context.contextNode.kind === 187 /* YieldExpression */ && context.contextNode.expression !== undefined; - }; - return Rules; - }()); - formatting.Rules = Rules; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesMap = (function () { - function RulesMap() { - this.map = []; - this.mapRowLength = 0; - } - RulesMap.create = function (rules) { - var result = new RulesMap(); - result.Initialize(rules); - return result; - }; - RulesMap.prototype.Initialize = function (rules) { - this.mapRowLength = 135 /* LastToken */ + 1; - this.map = new Array(this.mapRowLength * this.mapRowLength); //new Array(this.mapRowLength * this.mapRowLength); - // This array is used only during construction of the rulesbucket in the map - var rulesBucketConstructionStateList = new Array(this.map.length); //new Array(this.map.length); - this.FillRules(rules, rulesBucketConstructionStateList); - return this.map; - }; - RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { - var _this = this; - rules.forEach(function (rule) { - _this.FillRule(rule, rulesBucketConstructionStateList); - }); - }; - RulesMap.prototype.GetRuleBucketIndex = function (row, column) { - var rulesBucketIndex = (row * this.mapRowLength) + column; - //Debug.Assert(rulesBucketIndex < this.map.Length, "Trying to access an index outside the array."); - return rulesBucketIndex; - }; - RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { - var _this = this; - var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && - rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; - rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { - rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { - var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); - var rulesBucket = _this.map[rulesBucketIndex]; - if (rulesBucket === undefined) { - rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); - } - rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); - }); - }); - }; - RulesMap.prototype.GetRule = function (context) { - var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); - var bucket = this.map[bucketIndex]; - if (bucket != null) { - for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { - var rule = _a[_i]; - if (rule.Operation.Context.InContext(context)) { - return rule; - } - } - } - return null; - }; - return RulesMap; - }()); - formatting.RulesMap = RulesMap; - var MaskBitSize = 5; - var Mask = 0x1f; - (function (RulesPosition) { - RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; - RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; - RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; - RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; - RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; - RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; - })(formatting.RulesPosition || (formatting.RulesPosition = {})); - var RulesPosition = formatting.RulesPosition; - var RulesBucketConstructionState = (function () { - function RulesBucketConstructionState() { - //// The Rules list contains all the inserted rules into a rulebucket in the following order: - //// 1- Ignore rules with specific token combination - //// 2- Ignore rules with any token combination - //// 3- Context rules with specific token combination - //// 4- Context rules with any token combination - //// 5- Non-context rules with specific token combination - //// 6- Non-context rules with any token combination - //// - //// The member rulesInsertionIndexBitmap is used to describe the number of rules - //// in each sub-bucket (above) hence can be used to know the index of where to insert - //// the next rule. It's a bitmap which contains 6 different sections each is given 5 bits. - //// - //// Example: - //// In order to insert a rule to the end of sub-bucket (3), we get the index by adding - //// the values in the bitmap segments 3rd, 2nd, and 1st. - this.rulesInsertionIndexBitmap = 0; - } - RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { - var index = 0; - var pos = 0; - var indexBitmap = this.rulesInsertionIndexBitmap; - while (pos <= maskPosition) { - index += (indexBitmap & Mask); - indexBitmap >>= MaskBitSize; - pos += MaskBitSize; - } - return index; - }; - RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { - var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; - value++; - ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); - var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); - temp |= value << maskPosition; - this.rulesInsertionIndexBitmap = temp; - }; - return RulesBucketConstructionState; - }()); - formatting.RulesBucketConstructionState = RulesBucketConstructionState; - var RulesBucket = (function () { - function RulesBucket() { - this.rules = []; - } - RulesBucket.prototype.Rules = function () { - return this.rules; - }; - RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { - var position; - if (rule.Operation.Action === 1 /* Ignore */) { - position = specificTokens ? - RulesPosition.IgnoreRulesSpecific : - RulesPosition.IgnoreRulesAny; - } - else if (!rule.Operation.Context.IsAny()) { - position = specificTokens ? - RulesPosition.ContextRulesSpecific : - RulesPosition.ContextRulesAny; - } - else { - position = specificTokens ? - RulesPosition.NoContextRulesSpecific : - RulesPosition.NoContextRulesAny; - } - var state = constructionState[rulesBucketIndex]; - if (state === undefined) { - state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); - } - var index = state.GetInsertionIndex(position); - this.rules.splice(index, 0, rule); - state.IncreaseInsertionIndex(position); - }; - return RulesBucket; - }()); - formatting.RulesBucket = RulesBucket; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Shared; - (function (Shared) { - var TokenRangeAccess = (function () { - function TokenRangeAccess(from, to, except) { - this.tokens = []; - for (var token = from; token <= to; token++) { - if (ts.indexOf(except, token) < 0) { - this.tokens.push(token); - } - } - } - TokenRangeAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenRangeAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenRangeAccess; - }()); - Shared.TokenRangeAccess = TokenRangeAccess; - var TokenValuesAccess = (function () { - function TokenValuesAccess(tks) { - this.tokens = tks && tks.length ? tks : []; - } - TokenValuesAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenValuesAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenValuesAccess; - }()); - Shared.TokenValuesAccess = TokenValuesAccess; - var TokenSingleValueAccess = (function () { - function TokenSingleValueAccess(token) { - this.token = token; - } - TokenSingleValueAccess.prototype.GetTokens = function () { - return [this.token]; - }; - TokenSingleValueAccess.prototype.Contains = function (tokenValue) { - return tokenValue === this.token; - }; - return TokenSingleValueAccess; - }()); - Shared.TokenSingleValueAccess = TokenSingleValueAccess; - var TokenAllAccess = (function () { - function TokenAllAccess() { - } - TokenAllAccess.prototype.GetTokens = function () { - var result = []; - for (var token = 0 /* FirstToken */; token <= 135 /* LastToken */; token++) { - result.push(token); - } - return result; - }; - TokenAllAccess.prototype.Contains = function (tokenValue) { - return true; - }; - TokenAllAccess.prototype.toString = function () { - return "[allTokens]"; - }; - return TokenAllAccess; - }()); - Shared.TokenAllAccess = TokenAllAccess; - var TokenRange = (function () { - function TokenRange(tokenAccess) { - this.tokenAccess = tokenAccess; - } - TokenRange.FromToken = function (token) { - return new TokenRange(new TokenSingleValueAccess(token)); - }; - TokenRange.FromTokens = function (tokens) { - return new TokenRange(new TokenValuesAccess(tokens)); - }; - TokenRange.FromRange = function (f, to, except) { - if (except === void 0) { except = []; } - return new TokenRange(new TokenRangeAccess(f, to, except)); - }; - TokenRange.AllTokens = function () { - return new TokenRange(new TokenAllAccess()); - }; - TokenRange.prototype.GetTokens = function () { - return this.tokenAccess.GetTokens(); - }; - TokenRange.prototype.Contains = function (token) { - return this.tokenAccess.Contains(token); - }; - TokenRange.prototype.toString = function () { - return this.tokenAccess.toString(); - }; - TokenRange.Any = TokenRange.AllTokens(); - TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3 /* MultiLineCommentTrivia */])); - TokenRange.Keywords = TokenRange.FromRange(70 /* FirstKeyword */, 135 /* LastKeyword */); - TokenRange.BinaryOperators = TokenRange.FromRange(25 /* FirstBinaryOperator */, 68 /* LastBinaryOperator */); - TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90 /* InKeyword */, 91 /* InstanceOfKeyword */, 135 /* OfKeyword */, 116 /* AsKeyword */, 124 /* IsKeyword */]); - TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41 /* PlusPlusToken */, 42 /* MinusMinusToken */, 50 /* TildeToken */, 49 /* ExclamationToken */]); - TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8 /* NumericLiteral */, 69 /* Identifier */, 17 /* OpenParenToken */, 19 /* OpenBracketToken */, 15 /* OpenBraceToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); - TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); - TokenRange.Comments = TokenRange.FromTokens([2 /* SingleLineCommentTrivia */, 3 /* MultiLineCommentTrivia */]); - TokenRange.TypeNames = TokenRange.FromTokens([69 /* Identifier */, 128 /* NumberKeyword */, 130 /* StringKeyword */, 120 /* BooleanKeyword */, 131 /* SymbolKeyword */, 103 /* VoidKeyword */, 117 /* AnyKeyword */]); - return TokenRange; - }()); - Shared.TokenRange = TokenRange; - })(Shared = formatting.Shared || (formatting.Shared = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesProvider = (function () { - function RulesProvider() { - this.globalRules = new formatting.Rules(); - } - RulesProvider.prototype.getRuleName = function (rule) { - return this.globalRules.getRuleName(rule); - }; - RulesProvider.prototype.getRuleByName = function (name) { - return this.globalRules[name]; - }; - RulesProvider.prototype.getRulesMap = function () { - return this.rulesMap; - }; - RulesProvider.prototype.ensureUpToDate = function (options) { - // TODO: Should this be '==='? - if (this.options == null || !ts.compareDataObjects(this.options, options)) { - var activeRules = this.createActiveRules(options); - var rulesMap = formatting.RulesMap.create(activeRules); - this.activeRules = activeRules; - this.rulesMap = rulesMap; - this.options = ts.clone(options); - } - }; - RulesProvider.prototype.createActiveRules = function (options) { - var rules = this.globalRules.HighPriorityCommonRules.slice(0); - if (options.InsertSpaceAfterCommaDelimiter) { - rules.push(this.globalRules.SpaceAfterComma); - } - else { - rules.push(this.globalRules.NoSpaceAfterComma); - } - if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { - rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); - } - else { - rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); - } - if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { - rules.push(this.globalRules.SpaceAfterKeywordInControl); - } - else { - rules.push(this.globalRules.NoSpaceAfterKeywordInControl); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { - rules.push(this.globalRules.SpaceAfterOpenParen); - rules.push(this.globalRules.SpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenParen); - rules.push(this.globalRules.NoSpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { - rules.push(this.globalRules.SpaceAfterOpenBracket); - rules.push(this.globalRules.SpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBracket); - rules.push(this.globalRules.NoSpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { - rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); - } - else { - rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); - } - if (options.InsertSpaceAfterSemicolonInForStatements) { - rules.push(this.globalRules.SpaceAfterSemicolonInFor); - } - else { - rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); - } - if (options.InsertSpaceBeforeAndAfterBinaryOperators) { - rules.push(this.globalRules.SpaceBeforeBinaryOperator); - rules.push(this.globalRules.SpaceAfterBinaryOperator); - } - else { - rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); - rules.push(this.globalRules.NoSpaceAfterBinaryOperator); - } - if (options.PlaceOpenBraceOnNewLineForControlBlocks) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); - } - if (options.PlaceOpenBraceOnNewLineForFunctions) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); - rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); - } - rules = rules.concat(this.globalRules.LowPriorityCommonRules); - return rules; - }; - return RulesProvider; - }()); - formatting.RulesProvider = RulesProvider; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Constants; - (function (Constants) { - Constants[Constants["Unknown"] = -1] = "Unknown"; - })(Constants || (Constants = {})); - function formatOnEnter(position, sourceFile, rulesProvider, options) { - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - if (line === 0) { - return []; - } - // get the span for the previous\current line - var span = { - // get start position for the previous line - pos: ts.getStartPositionOfLine(line - 1, sourceFile), - // get end position for the current line (end value is exclusive so add 1 to the result) - end: ts.getEndLinePosition(line, sourceFile) + 1 - }; - return formatSpan(span, sourceFile, options, rulesProvider, 2 /* FormatOnEnter */); - } - formatting.formatOnEnter = formatOnEnter; - function formatOnSemicolon(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 23 /* SemicolonToken */, sourceFile, options, rulesProvider, 3 /* FormatOnSemicolon */); - } - formatting.formatOnSemicolon = formatOnSemicolon; - function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 16 /* CloseBraceToken */, sourceFile, options, rulesProvider, 4 /* FormatOnClosingCurlyBrace */); - } - formatting.formatOnClosingCurly = formatOnClosingCurly; - function formatDocument(sourceFile, rulesProvider, options) { - var span = { - pos: 0, - end: sourceFile.text.length - }; - return formatSpan(span, sourceFile, options, rulesProvider, 0 /* FormatDocument */); - } - formatting.formatDocument = formatDocument; - function formatSelection(start, end, sourceFile, rulesProvider, options) { - // format from the beginning of the line - var span = { - pos: ts.getLineStartPositionForPosition(start, sourceFile), - end: end - }; - return formatSpan(span, sourceFile, options, rulesProvider, 1 /* FormatSelection */); - } - formatting.formatSelection = formatSelection; - function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { - var parent = findOutermostParent(position, expectedLastToken, sourceFile); - if (!parent) { - return []; - } - var span = { - pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), - end: parent.end - }; - return formatSpan(span, sourceFile, options, rulesProvider, requestKind); - } - function findOutermostParent(position, expectedTokenKind, sourceFile) { - var precedingToken = ts.findPrecedingToken(position, sourceFile); - // when it is claimed that trigger character was typed at given position - // we verify that there is a token with a matching kind whose end is equal to position (because the character was just typed). - // If this condition is not hold - then trigger character was typed in some other context, - // i.e.in comment and thus should not trigger autoformatting - if (!precedingToken || - precedingToken.kind !== expectedTokenKind || - position !== precedingToken.getEnd()) { - return undefined; - } - // walk up and search for the parent node that ends at the same position with precedingToken. - // for cases like this - // - // let x = 1; - // while (true) { - // } - // after typing close curly in while statement we want to reformat just the while statement. - // However if we just walk upwards searching for the parent that has the same end value - - // we'll end up with the whole source file. isListElement allows to stop on the list element level - var current = precedingToken; - while (current && - current.parent && - current.parent.end === precedingToken.end && - !isListElement(current.parent, current)) { - current = current.parent; - } - return current; - } - // Returns true if node is a element in some list in parent - // i.e. parent is class declaration with the list of members and node is one of members. - function isListElement(parent, node) { - switch (parent.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - return ts.rangeContainsRange(parent.members, node); - case 221 /* ModuleDeclaration */: - var body = parent.body; - return body && body.kind === 195 /* Block */ && ts.rangeContainsRange(body.statements, node); - case 251 /* SourceFile */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - return ts.rangeContainsRange(parent.statements, node); - case 247 /* CatchClause */: - return ts.rangeContainsRange(parent.block.statements, node); - } - return false; - } - /** find node that fully contains given text range */ - function findEnclosingNode(range, sourceFile) { - return find(sourceFile); - function find(n) { - var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); - if (candidate) { - var result = find(candidate); - if (result) { - return result; - } - } - return n; - } - } - /** formatting is not applied to ranges that contain parse errors. - * This function will return a predicate that for a given text range will tell - * if there are any parse errors that overlap with the range. - */ - function prepareRangeContainsErrorFunction(errors, originalRange) { - if (!errors.length) { - return rangeHasNoErrors; - } - // pick only errors that fall in range - var sorted = errors - .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) - .sort(function (e1, e2) { return e1.start - e2.start; }); - if (!sorted.length) { - return rangeHasNoErrors; - } - var index = 0; - return function (r) { - // in current implementation sequence of arguments [r1, r2...] is monotonically increasing. - // 'index' tracks the index of the most recent error that was checked. - while (true) { - if (index >= sorted.length) { - // all errors in the range were already checked -> no error in specified range - return false; - } - var error = sorted[index]; - if (r.end <= error.start) { - // specified range ends before the error refered by 'index' - no error in range - return false; - } - if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { - // specified range overlaps with error range - return true; - } - index++; - } - }; - function rangeHasNoErrors(r) { - return false; - } - } - /** - * Start of the original range might fall inside the comment - scanner will not yield appropriate results - * This function will look for token that is located before the start of target range - * and return its end as start position for the scanner. - */ - function getScanStartPosition(enclosingNode, originalRange, sourceFile) { - var start = enclosingNode.getStart(sourceFile); - if (start === originalRange.pos && enclosingNode.end === originalRange.end) { - return start; - } - var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); - if (!precedingToken) { - // no preceding token found - start from the beginning of enclosing node - return enclosingNode.pos; - } - // preceding token ends after the start of original range (i.e when originaRange.pos falls in the middle of literal) - // start from the beginning of enclosingNode to handle the entire 'originalRange' - if (precedingToken.end >= originalRange.pos) { - return enclosingNode.pos; - } - return precedingToken.end; - } - /* - * For cases like - * if (a || - * b ||$ - * c) {...} - * If we hit Enter at $ we want line ' b ||' to be indented. - * Formatting will be applied to the last two lines. - * Node that fully encloses these lines is binary expression 'a ||...'. - * Initial indentation for this node will be 0. - * Binary expressions don't introduce new indentation scopes, however it is possible - * that some parent node on the same line does - like if statement in this case. - * Note that we are considering parents only from the same line with initial node - - * if parent is on the different line - its delta was already contributed - * to the initial indentation. - */ - function getOwnOrInheritedDelta(n, options, sourceFile) { - var previousLine = -1 /* Unknown */; - var child; - while (n) { - var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; - if (previousLine !== -1 /* Unknown */ && line !== previousLine) { - break; - } - if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { - return options.IndentSize; - } - previousLine = line; - child = n; - n = n.parent; - } - return 0; - } - function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { - var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); - // formatting context is used by rules provider - var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); - // find the smallest node that fully wraps the range and compute the initial indentation for the node - var enclosingNode = findEnclosingNode(originalRange, sourceFile); - var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); - var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); - var previousRangeHasError; - var previousRange; - var previousParent; - var previousRangeStartLine; - var lastIndentedLine; - var indentationOnLastIndentedLine; - var edits = []; - formattingScanner.advance(); - if (formattingScanner.isOnToken()) { - var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; - var undecoratedStartLine = startLine; - if (enclosingNode.decorators) { - undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; - } - var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); - processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); - } - if (!formattingScanner.isOnToken()) { - var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); - if (leadingTrivia) { - processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); - trimTrailingWhitespacesForRemainingRange(); - } - } - formattingScanner.close(); - return edits; - // local functions - /** Tries to compute the indentation for a list element. - * If list element is not in range then - * function will pick its actual indentation - * so it can be pushed downstream as inherited indentation. - * If list element is in the range - its indentation will be equal - * to inherited indentation from its predecessors. - */ - function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { - if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || - ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) { - if (inheritedIndentation !== -1 /* Unknown */) { - return inheritedIndentation; - } - } - else { - var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; - var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); - var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); - if (startLine !== parentStartLine || startPos === column) { - return column; - } - } - return -1 /* Unknown */; - } - function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { - var indentation = inheritedIndentation; - var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; - if (effectiveParentStartLine === startLine) { - // if node is located on the same line with the parent - // - inherit indentation from the parent - // - push children if either parent of node itself has non-zero delta - indentation = startLine === lastIndentedLine - ? indentationOnLastIndentedLine - : parentDynamicIndentation.getIndentation(); - delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); - } - else if (indentation === -1 /* Unknown */) { - if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { - indentation = parentDynamicIndentation.getIndentation(); - } - else { - indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); - } - } - return { - indentation: indentation, - delta: delta - }; - } - function getFirstNonDecoratorTokenOfNode(node) { - if (node.modifiers && node.modifiers.length) { - return node.modifiers[0].kind; - } - switch (node.kind) { - case 217 /* ClassDeclaration */: return 73 /* ClassKeyword */; - case 218 /* InterfaceDeclaration */: return 107 /* InterfaceKeyword */; - case 216 /* FunctionDeclaration */: return 87 /* FunctionKeyword */; - case 220 /* EnumDeclaration */: return 220 /* EnumDeclaration */; - case 146 /* GetAccessor */: return 123 /* GetKeyword */; - case 147 /* SetAccessor */: return 129 /* SetKeyword */; - case 144 /* MethodDeclaration */: - if (node.asteriskToken) { - return 37 /* AsteriskToken */; - } - // fall-through - case 142 /* PropertyDeclaration */: - case 139 /* Parameter */: - return node.name.kind; - } - } - function getDynamicIndentation(node, nodeStartLine, indentation, delta) { - return { - getIndentationForComment: function (kind, tokenIndentation, container) { - switch (kind) { - // preceding comment to the token that closes the indentation scope inherits the indentation from the scope - // .. { - // // comment - // } - case 16 /* CloseBraceToken */: - case 20 /* CloseBracketToken */: - case 18 /* CloseParenToken */: - return indentation + getEffectiveDelta(delta, container); - } - return tokenIndentation !== -1 /* Unknown */ ? tokenIndentation : indentation; - }, - getIndentationForToken: function (line, kind, container) { - if (nodeStartLine !== line && node.decorators) { - if (kind === getFirstNonDecoratorTokenOfNode(node)) { - // if this token is the first token following the list of decorators, we do not need to indent - return indentation; - } - } - switch (kind) { - // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent - case 15 /* OpenBraceToken */: - case 16 /* CloseBraceToken */: - case 19 /* OpenBracketToken */: - case 20 /* CloseBracketToken */: - case 17 /* OpenParenToken */: - case 18 /* CloseParenToken */: - case 80 /* ElseKeyword */: - case 104 /* WhileKeyword */: - case 55 /* AtToken */: - return indentation; - default: - // if token line equals to the line of containing node (this is a first token in the node) - use node indentation - return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; - } - }, - getIndentation: function () { return indentation; }, - getDelta: function (child) { return getEffectiveDelta(delta, child); }, - recomputeIndentation: function (lineAdded) { - if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { - if (lineAdded) { - indentation += options.IndentSize; - } - else { - indentation -= options.IndentSize; - } - if (formatting.SmartIndenter.shouldIndentChildNode(node)) { - delta = options.IndentSize; - } - else { - delta = 0; - } - } - } - }; - function getEffectiveDelta(delta, child) { - // Delta value should be zero when the node explicitly prevents indentation of the child node - return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; - } - } - function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { - if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { - return; - } - var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); - // a useful observations when tracking context node - // / - // [a] - // / | \ - // [b] [c] [d] - // node 'a' is a context node for nodes 'b', 'c', 'd' - // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a' - // this rule can be applied recursively to child nodes of 'a'. - // - // context node is set to parent node value after processing every child node - // context node is set to parent of the token after processing every token - var childContextNode = contextNode; - // if there are any tokens that logically belong to node and interleave child nodes - // such tokens will be consumed in processChildNode for for the child that follows them - ts.forEachChild(node, function (child) { - processChildNode(child, /*inheritedIndentation*/ -1 /* Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListElement*/ false); - }, function (nodes) { - processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); - }); - // proceed any tokens in the node that are located after child nodes - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > node.end) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); - } - function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { - var childStartPos = child.getStart(sourceFile); - var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; - var undecoratedChildStartLine = childStartLine; - if (child.decorators) { - undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; - } - // if child is a list item - try to get its indentation - var childIndentationAmount = -1 /* Unknown */; - if (isListItem) { - childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); - if (childIndentationAmount !== -1 /* Unknown */) { - inheritedIndentation = childIndentationAmount; - } - } - // child node is outside the target range - do not dive inside - if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { - return inheritedIndentation; - } - if (child.getFullWidth() === 0) { - return inheritedIndentation; - } - while (formattingScanner.isOnToken()) { - // proceed any parent tokens that are located prior to child.getStart() - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > childStartPos) { - // stop when formatting scanner advances past the beginning of the child - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); - } - if (!formattingScanner.isOnToken()) { - return inheritedIndentation; - } - if (ts.isToken(child)) { - // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules - var tokenInfo = formattingScanner.readTokenInfo(child); - ts.Debug.assert(tokenInfo.token.end === child.end); - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); - return inheritedIndentation; - } - var effectiveParentStartLine = child.kind === 140 /* Decorator */ ? childStartLine : undecoratedParentStartLine; - var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); - processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); - childContextNode = node; - return inheritedIndentation; - } - function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { - var listStartToken = getOpenTokenForList(parent, nodes); - var listEndToken = getCloseTokenForOpenToken(listStartToken); - var listDynamicIndentation = parentDynamicIndentation; - var startLine = parentStartLine; - if (listStartToken !== 0 /* Unknown */) { - // introduce a new indentation scope for lists (including list start and end tokens) - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.end > nodes.pos) { - // stop when formatting scanner moves past the beginning of node list - break; - } - else if (tokenInfo.token.kind === listStartToken) { - // consume list start token - startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; - var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1 /* Unknown */, parent, parentDynamicIndentation, parentStartLine); - listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - else { - // consume any tokens that precede the list as child elements of 'node' using its indentation scope - consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); - } - } - } - var inheritedIndentation = -1 /* Unknown */; - for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { - var child = nodes_6[_i]; - inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListElement*/ true); - } - if (listEndToken !== 0 /* Unknown */) { - if (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - // consume the list end token only if it is still belong to the parent - // there might be the case when current token matches end token but does not considered as one - // function (x: function) <-- - // without this check close paren will be interpreted as list end token for function expression which is wrong - if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { - // consume list end token - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - } - } - } - function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { - ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); - var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); - var indentToken = false; - if (currentTokenInfo.leadingTrivia) { - processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); - } - var lineAdded; - var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); - var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); - if (isTokenInRange) { - var rangeHasError = rangeContainsError(currentTokenInfo.token); - // save previousRange since processRange will overwrite this value with current one - var savePreviousRange = previousRange; - lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); - if (rangeHasError) { - // do not indent comments\token if token range overlaps with some error - indentToken = false; - } - else { - if (lineAdded !== undefined) { - indentToken = lineAdded; - } - else { - // indent token only if end line of previous range does not match start line of the token - var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; - indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; - } - } - } - if (currentTokenInfo.trailingTrivia) { - processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); - } - if (indentToken) { - var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? - dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : - -1 /* Unknown */; - if (currentTokenInfo.leadingTrivia) { - var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); - var indentNextTokenOrTrivia = true; - for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { - var triviaItem = _a[_i]; - if (!ts.rangeContainsRange(originalRange, triviaItem)) { - continue; - } - switch (triviaItem.kind) { - case 3 /* MultiLineCommentTrivia */: - indentMultilineComment(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia); - indentNextTokenOrTrivia = false; - break; - case 2 /* SingleLineCommentTrivia */: - if (indentNextTokenOrTrivia) { - insertIndentation(triviaItem.pos, commentIndentation, /*lineAdded*/ false); - indentNextTokenOrTrivia = false; - } - break; - case 4 /* NewLineTrivia */: - indentNextTokenOrTrivia = true; - break; - } - } - } - // indent token only if is it is in target range and does not overlap with any error ranges - if (tokenIndentation !== -1 /* Unknown */) { - insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); - lastIndentedLine = tokenStart.line; - indentationOnLastIndentedLine = tokenIndentation; - } - } - formattingScanner.advance(); - childContextNode = parent; - } - } - function processTrivia(trivia, parent, contextNode, dynamicIndentation) { - for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { - var triviaItem = trivia_1[_i]; - if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { - var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); - processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); - } - } - } - function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { - var rangeHasError = rangeContainsError(range); - var lineAdded; - if (!rangeHasError && !previousRangeHasError) { - if (!previousRange) { - // trim whitespaces starting from the beginning of the span up to the current line - var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); - trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); - } - else { - lineAdded = - processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); - } - } - previousRange = range; - previousParent = parent; - previousRangeStartLine = rangeStart.line; - previousRangeHasError = rangeHasError; - return lineAdded; - } - function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { - formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); - var rule = rulesProvider.getRulesMap().GetRule(formattingContext); - var trimTrailingWhitespaces; - var lineAdded; - if (rule) { - applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); - if (rule.Operation.Action & (2 /* Space */ | 8 /* Delete */) && currentStartLine !== previousStartLine) { - lineAdded = false; - // Handle the case where the next line is moved to be the end of this line. - // In this case we don't indent the next line in the next pass. - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(/*lineAdded*/ false); - } - } - else if (rule.Operation.Action & 4 /* NewLine */ && currentStartLine === previousStartLine) { - lineAdded = true; - // Handle the case where token2 is moved to the new line. - // In this case we indent token2 in the next pass but we set - // sameLineIndent flag to notify the indenter that the indentation is within the line. - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(/*lineAdded*/ true); - } - } - // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line - trimTrailingWhitespaces = !(rule.Operation.Action & 8 /* Delete */) && rule.Flag !== 1 /* CanDeleteNewLines */; - } - else { - trimTrailingWhitespaces = true; - } - if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { - // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line - trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); - } - return lineAdded; - } - function insertIndentation(pos, indentation, lineAdded) { - var indentationString = getIndentationString(indentation, options); - if (lineAdded) { - // new line is added before the token by the formatting rules - // insert indentation string at the very beginning of the token - recordReplace(pos, 0, indentationString); - } - else { - var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); - if (indentation !== tokenStart.character) { - var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); - recordReplace(startLinePosition, tokenStart.character, indentationString); - } - } - } - function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { - // split comment in lines - var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; - var parts; - if (startLine === endLine) { - if (!firstLineIsIndented) { - // treat as single line comment - insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false); - } - return; - } - else { - parts = []; - var startPos = commentRange.pos; - for (var line = startLine; line < endLine; ++line) { - var endOfLine = ts.getEndLinePosition(line, sourceFile); - parts.push({ pos: startPos, end: endOfLine }); - startPos = ts.getStartPositionOfLine(line + 1, sourceFile); - } - parts.push({ pos: startPos, end: commentRange.end }); - } - var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); - if (indentation === nonWhitespaceColumnInFirstPart.column) { - return; - } - var startIndex = 0; - if (firstLineIsIndented) { - startIndex = 1; - startLine++; - } - // shift all parts on the delta size - var delta = indentation - nonWhitespaceColumnInFirstPart.column; - for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { - var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceCharacterAndColumn = i === 0 - ? nonWhitespaceColumnInFirstPart - : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); - var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; - if (newIndentation > 0) { - var indentationString = getIndentationString(newIndentation, options); - recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); - } - else { - recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); - } - } - } - function trimTrailingWhitespacesForLines(line1, line2, range) { - for (var line = line1; line < line2; ++line) { - var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); - var lineEndPosition = ts.getEndLinePosition(line, sourceFile); - // do not trim whitespaces in comments or template expression - if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { - continue; - } - var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); - if (whitespaceStart !== -1) { - ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); - recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); - } - } - } - /** - * @param start The position of the first character in range - * @param end The position of the last character in range - */ - function getTrailingWhitespaceStartPosition(start, end) { - var pos = end; - while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos--; - } - if (pos !== end) { - return pos + 1; - } - return -1; - } - /** - * Trimming will be done for lines after the previous range - */ - function trimTrailingWhitespacesForRemainingRange() { - var startPosition = previousRange ? previousRange.end : originalRange.pos; - var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; - trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); - } - function newTextChange(start, len, newText) { - return { span: ts.createTextSpan(start, len), newText: newText }; - } - function recordDelete(start, len) { - if (len) { - edits.push(newTextChange(start, len, "")); - } - } - function recordReplace(start, len, newText) { - if (len || newText) { - edits.push(newTextChange(start, len, newText)); - } - } - function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { - var between; - switch (rule.Operation.Action) { - case 1 /* Ignore */: - // no action required - return; - case 8 /* Delete */: - if (previousRange.end !== currentRange.pos) { - // delete characters starting from t1.end up to t2.pos exclusive - recordDelete(previousRange.end, currentRange.pos - previousRange.end); - } - break; - case 4 /* NewLine */: - // exit early if we on different lines and rule cannot change number of newlines - // if line1 and line2 are on subsequent lines then no edits are required - ok to exit - // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines - if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { - return; - } - // edit should not be applied only if we have one line feed between elements - var lineDelta = currentStartLine - previousStartLine; - if (lineDelta !== 1) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); - } - break; - case 2 /* Space */: - // exit early if we on different lines and rule cannot change number of newlines - if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { - return; - } - var posDelta = currentRange.pos - previousRange.end; - if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* space */) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); - } - break; - } - } - } - function isSomeBlock(kind) { - switch (kind) { - case 195 /* Block */: - case 222 /* ModuleBlock */: - return true; - } - return false; - } - function getOpenTokenForList(node, list) { - switch (node.kind) { - case 145 /* Constructor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 177 /* ArrowFunction */: - if (node.typeParameters === list) { - return 25 /* LessThanToken */; - } - else if (node.parameters === list) { - return 17 /* OpenParenToken */; - } - break; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - if (node.typeArguments === list) { - return 25 /* LessThanToken */; - } - else if (node.arguments === list) { - return 17 /* OpenParenToken */; - } - break; - case 152 /* TypeReference */: - if (node.typeArguments === list) { - return 25 /* LessThanToken */; - } - } - return 0 /* Unknown */; - } - function getCloseTokenForOpenToken(kind) { - switch (kind) { - case 17 /* OpenParenToken */: - return 18 /* CloseParenToken */; - case 25 /* LessThanToken */: - return 27 /* GreaterThanToken */; - } - return 0 /* Unknown */; - } - var internedSizes; - var internedTabsIndentation; - var internedSpacesIndentation; - function getIndentationString(indentation, options) { - // reset interned strings if FormatCodeOptions were changed - var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); - if (resetInternedStrings) { - internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; - internedTabsIndentation = internedSpacesIndentation = undefined; - } - if (!options.ConvertTabsToSpaces) { - var tabs = Math.floor(indentation / options.TabSize); - var spaces = indentation - tabs * options.TabSize; - var tabString = void 0; - if (!internedTabsIndentation) { - internedTabsIndentation = []; - } - if (internedTabsIndentation[tabs] === undefined) { - internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); - } - else { - tabString = internedTabsIndentation[tabs]; - } - return spaces ? tabString + repeat(" ", spaces) : tabString; - } - else { - var spacesString = void 0; - var quotient = Math.floor(indentation / options.IndentSize); - var remainder = indentation % options.IndentSize; - if (!internedSpacesIndentation) { - internedSpacesIndentation = []; - } - if (internedSpacesIndentation[quotient] === undefined) { - spacesString = repeat(" ", options.IndentSize * quotient); - internedSpacesIndentation[quotient] = spacesString; - } - else { - spacesString = internedSpacesIndentation[quotient]; - } - return remainder ? spacesString + repeat(" ", remainder) : spacesString; - } - function repeat(value, count) { - var s = ""; - for (var i = 0; i < count; ++i) { - s += value; - } - return s; - } - } - formatting.getIndentationString = getIndentationString; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var SmartIndenter; - (function (SmartIndenter) { - var Value; - (function (Value) { - Value[Value["Unknown"] = -1] = "Unknown"; - })(Value || (Value = {})); - function getIndentation(position, sourceFile, options) { - if (position > sourceFile.text.length) { - return 0; // past EOF - } - // no indentation when the indent style is set to none, - // so we can return fast - if (options.IndentStyle === ts.IndentStyle.None) { - return 0; - } - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken) { - return 0; - } - // no indentation in string \regex\template literals - var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); - if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { - return 0; - } - var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - // indentation is first non-whitespace character in a previous line - // for block indentation, we should look for a line which contains something that's not - // whitespace. - if (options.IndentStyle === ts.IndentStyle.Block) { - // move backwards until we find a line with a non-whitespace character, - // then find the first non-whitespace character for that line. - var current_1 = position; - while (current_1 > 0) { - var char = sourceFile.text.charCodeAt(current_1); - if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { - break; - } - current_1--; - } - var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); - return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); - } - if (precedingToken.kind === 24 /* CommaToken */ && precedingToken.parent.kind !== 184 /* BinaryExpression */) { - // previous token is comma that separates items in list - find the previous item and try to derive indentation from it - var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation; - } - } - // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken' - // if such node is found - compute initial indentation for 'position' inside this node - var previous; - var current = precedingToken; - var currentStart; - var indentationDelta; - while (current) { - if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { - currentStart = getStartLineAndCharacterForNode(current, sourceFile); - if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { - indentationDelta = 0; - } - else { - indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; - } - break; - } - // check if current node is a list item - if yes, take indentation from it - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + options.IndentSize; - } - previous = current; - current = current.parent; - } - if (!current) { - // no parent was found - return 0 to be indented on the level of SourceFile - return 0; - } - return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, options); - } - SmartIndenter.getIndentation = getIndentation; - function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { - var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, options); - } - SmartIndenter.getIndentationForNode = getIndentationForNode; - function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { - var parent = current.parent; - var parentStart; - // walk upwards and collect indentations for pairs of parent-child nodes - // indentation is not added if parent and child nodes start on the same line or if parent is IfStatement and child starts on the same line with 'else clause' - while (parent) { - var useActualIndentation = true; - if (ignoreActualIndentationRange) { - var start = current.getStart(sourceFile); - useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; - } - if (useActualIndentation) { - // check if current node is a list item - if yes, take indentation from it - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - } - parentStart = getParentStart(parent, current, sourceFile); - var parentAndChildShareLine = parentStart.line === currentStart.line || - childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); - if (useActualIndentation) { - // try to fetch actual indentation for current node from source text - var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - } - // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line - if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { - indentationDelta += options.IndentSize; - } - current = parent; - currentStart = parentStart; - parent = current.parent; - } - return indentationDelta; - } - function getParentStart(parent, child, sourceFile) { - var containingList = getContainingList(child, sourceFile); - if (containingList) { - return sourceFile.getLineAndCharacterOfPosition(containingList.pos); - } - return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); - } - /* - * Function returns Value.Unknown if indentation cannot be determined - */ - function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { - // previous token is comma that separates items in list - find the previous item and try to derive indentation from it - var commaItemInfo = ts.findListItemInfo(commaToken); - if (commaItemInfo && commaItemInfo.listItemIndex > 0) { - return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); - } - else { - // handle broken code gracefully - return -1 /* Unknown */; - } - } - /* - * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression) - */ - function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { - // actual indentation is used for statements\declarations if one of cases below is true: - // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually - // - parent and child are not on the same line - var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && - (parent.kind === 251 /* SourceFile */ || !parentAndChildShareLine); - if (!useActualIndentation) { - return -1 /* Unknown */; - } - return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); - } - function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { - var nextToken = ts.findNextToken(precedingToken, current); - if (!nextToken) { - return false; - } - if (nextToken.kind === 15 /* OpenBraceToken */) { - // open braces are always indented at the parent level - return true; - } - else if (nextToken.kind === 16 /* CloseBraceToken */) { - // close braces are indented at the parent level if they are located on the same line with cursor - // this means that if new line will be added at $ position, this case will be indented - // class A { - // $ - // } - /// and this one - not - // class A { - // $} - var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; - return lineAtPosition === nextTokenStartLine; - } - return false; - } - function getStartLineAndCharacterForNode(n, sourceFile) { - return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - } - function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { - if (parent.kind === 199 /* IfStatement */ && parent.elseStatement === child) { - var elseKeyword = ts.findChildOfKind(parent, 80 /* ElseKeyword */, sourceFile); - ts.Debug.assert(elseKeyword !== undefined); - var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; - return elseKeywordStartLine === childStartLine; - } - return false; - } - SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; - function getContainingList(node, sourceFile) { - if (node.parent) { - switch (node.parent.kind) { - case 152 /* TypeReference */: - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { - return node.parent.typeArguments; - } - break; - case 168 /* ObjectLiteralExpression */: - return node.parent.properties; - case 167 /* ArrayLiteralExpression */: - return node.parent.elements; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: { - var start = node.getStart(sourceFile); - if (node.parent.typeParameters && - ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { - return node.parent.typeParameters; - } - if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { - return node.parent.parameters; - } - break; - } - case 172 /* NewExpression */: - case 171 /* CallExpression */: { - var start = node.getStart(sourceFile); - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { - return node.parent.typeArguments; - } - if (node.parent.arguments && - ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { - return node.parent.arguments; - } - break; - } - } - } - return undefined; - } - function getActualIndentationForListItem(node, sourceFile, options) { - var containingList = getContainingList(node, sourceFile); - return containingList ? getActualIndentationFromList(containingList) : -1 /* Unknown */; - function getActualIndentationFromList(list) { - var index = ts.indexOf(list, node); - return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1 /* Unknown */; - } - } - function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { - // actual indentation should not be used when: - // - node is close parenthesis - this is the end of the expression - if (node.kind === 18 /* CloseParenToken */) { - return -1 /* Unknown */; - } - if (node.parent && (node.parent.kind === 171 /* CallExpression */ || - node.parent.kind === 172 /* NewExpression */) && - node.parent.expression !== node) { - var fullCallOrNewExpression = node.parent.expression; - var startingExpression = getStartingExpression(fullCallOrNewExpression); - if (fullCallOrNewExpression === startingExpression) { - return -1 /* Unknown */; - } - var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); - var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); - if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { - return -1 /* Unknown */; - } - return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); - } - return -1 /* Unknown */; - function getStartingExpression(node) { - while (true) { - switch (node.kind) { - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - node = node.expression; - break; - default: - return node; - } - } - } - } - function deriveActualIndentationFromList(list, index, sourceFile, options) { - ts.Debug.assert(index >= 0 && index < list.length); - var node = list[index]; - // walk toward the start of the list starting from current node and check if the line is the same for all items. - // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i] - var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); - for (var i = index - 1; i >= 0; --i) { - if (list[i].kind === 24 /* CommaToken */) { - continue; - } - // skip list items that ends on the same line with the current list element - var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; - if (prevEndLine !== lineAndCharacter.line) { - return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); - } - lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); - } - return -1 /* Unknown */; - } - function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { - var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); - return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); - } - /* - Character is the actual index of the character since the beginning of the line. - Column - position of the character after expanding tabs to spaces - "0\t2$" - value of 'character' for '$' is 3 - value of 'column' for '$' is 6 (assuming that tab size is 4) - */ - function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { - var character = 0; - var column = 0; - for (var pos = startPos; pos < endPos; ++pos) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch)) { - break; - } - if (ch === 9 /* tab */) { - column += options.TabSize + (column % options.TabSize); - } - else { - column++; - } - character++; - } - return { column: column, character: character }; - } - SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; - function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { - return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; - } - SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; - function nodeContentIsAlwaysIndented(kind) { - switch (kind) { - case 198 /* ExpressionStatement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 167 /* ArrayLiteralExpression */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - case 168 /* ObjectLiteralExpression */: - case 156 /* TypeLiteral */: - case 158 /* TupleType */: - case 223 /* CaseBlock */: - case 245 /* DefaultClause */: - case 244 /* CaseClause */: - case 175 /* ParenthesizedExpression */: - case 169 /* PropertyAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 196 /* VariableStatement */: - case 214 /* VariableDeclaration */: - case 230 /* ExportAssignment */: - case 207 /* ReturnStatement */: - case 185 /* ConditionalExpression */: - case 165 /* ArrayBindingPattern */: - case 164 /* ObjectBindingPattern */: - case 238 /* JsxOpeningElement */: - case 237 /* JsxSelfClosingElement */: - case 243 /* JsxExpression */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 139 /* Parameter */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 161 /* ParenthesizedType */: - case 173 /* TaggedTemplateExpression */: - case 181 /* AwaitExpression */: - case 228 /* NamedImports */: - return true; - } - return false; - } - /* @internal */ - function nodeWillIndentChild(parent, child, indentByDefault) { - var childKind = child ? child.kind : 0 /* Unknown */; - switch (parent.kind) { - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 199 /* IfStatement */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 177 /* ArrowFunction */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return childKind !== 195 /* Block */; - case 236 /* JsxElement */: - return childKind !== 240 /* JsxClosingElement */; - } - // No explicit rule for given nodes so the result will follow the default value argument - return indentByDefault; - } - SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; - /* - Function returns true when the parent node should indent the given child by an explicit rule - */ - function shouldIndentChildNode(parent, child) { - return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); - } - SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; - })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -var ts; -(function (ts) { - /** The version of the language service API */ - ts.servicesVersion = "0.4"; - var ScriptSnapshot; - (function (ScriptSnapshot) { - var StringScriptSnapshot = (function () { - function StringScriptSnapshot(text) { - this.text = text; - } - StringScriptSnapshot.prototype.getText = function (start, end) { - return this.text.substring(start, end); - }; - StringScriptSnapshot.prototype.getLength = function () { - return this.text.length; - }; - StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { - // Text-based snapshots do not support incremental parsing. Return undefined - // to signal that to the caller. - return undefined; - }; - return StringScriptSnapshot; - }()); - function fromString(text) { - return new StringScriptSnapshot(text); - } - ScriptSnapshot.fromString = fromString; - })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); - var emptyArray = []; - var jsDocTagNames = [ - "augments", - "author", - "argument", - "borrows", - "class", - "constant", - "constructor", - "constructs", - "default", - "deprecated", - "description", - "event", - "example", - "extends", - "field", - "fileOverview", - "function", - "ignore", - "inner", - "lends", - "link", - "memberOf", - "name", - "namespace", - "param", - "private", - "property", - "public", - "requires", - "returns", - "see", - "since", - "static", - "throws", - "type", - "version" - ]; - var jsDocCompletionEntries; - function createNode(kind, pos, end, flags, parent) { - var node = new NodeObject(kind, pos, end); - node.flags = flags; - node.parent = parent; - return node; - } - var NodeObject = (function () { - function NodeObject(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0 /* None */; - this.parent = undefined; - } - NodeObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - NodeObject.prototype.getStart = function (sourceFile) { - return ts.getTokenPosOfNode(this, sourceFile); - }; - NodeObject.prototype.getFullStart = function () { - return this.pos; - }; - NodeObject.prototype.getEnd = function () { - return this.end; - }; - NodeObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - NodeObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - NodeObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - NodeObject.prototype.getText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); - }; - NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { - scanner.setTextPos(pos); - while (pos < end) { - var token = scanner.scan(); - var textPos = scanner.getTextPos(); - nodes.push(createNode(token, pos, textPos, 2048 /* Synthetic */, this)); - pos = textPos; - } - return pos; - }; - NodeObject.prototype.createSyntaxList = function (nodes) { - var list = createNode(274 /* SyntaxList */, nodes.pos, nodes.end, 2048 /* Synthetic */, this); - list._children = []; - var pos = nodes.pos; - for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { - var node = nodes_7[_i]; - if (pos < node.pos) { - pos = this.addSyntheticNodes(list._children, pos, node.pos); - } - list._children.push(node); - pos = node.end; - } - if (pos < nodes.end) { - this.addSyntheticNodes(list._children, pos, nodes.end); - } - return list; - }; - NodeObject.prototype.createChildren = function (sourceFile) { - var _this = this; - var children; - if (this.kind >= 136 /* FirstNode */) { - scanner.setText((sourceFile || this.getSourceFile()).text); - children = []; - var pos_3 = this.pos; - var processNode = function (node) { - if (pos_3 < node.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); - } - children.push(node); - pos_3 = node.end; - }; - var processNodes = function (nodes) { - if (pos_3 < nodes.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); - } - children.push(_this.createSyntaxList(nodes)); - pos_3 = nodes.end; - }; - ts.forEachChild(this, processNode, processNodes); - if (pos_3 < this.end) { - this.addSyntheticNodes(children, pos_3, this.end); - } - scanner.setText(undefined); - } - this._children = children || emptyArray; - }; - NodeObject.prototype.getChildCount = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children.length; - }; - NodeObject.prototype.getChildAt = function (index, sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children[index]; - }; - NodeObject.prototype.getChildren = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children; - }; - NodeObject.prototype.getFirstToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - if (!children.length) { - return undefined; - } - var child = children[0]; - return child.kind < 136 /* FirstNode */ ? child : child.getFirstToken(sourceFile); - }; - NodeObject.prototype.getLastToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - var child = ts.lastOrUndefined(children); - if (!child) { - return undefined; - } - return child.kind < 136 /* FirstNode */ ? child : child.getLastToken(sourceFile); - }; - return NodeObject; - }()); - var SymbolObject = (function () { - function SymbolObject(flags, name) { - this.flags = flags; - this.name = name; - } - SymbolObject.prototype.getFlags = function () { - return this.flags; - }; - SymbolObject.prototype.getName = function () { - return this.name; - }; - SymbolObject.prototype.getDeclarations = function () { - return this.declarations; - }; - SymbolObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4 /* Property */)); - } - return this.documentationComment; - }; - return SymbolObject; - }()); - function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { - var documentationComment = []; - var docComments = getJsDocCommentsSeparatedByNewLines(); - ts.forEach(docComments, function (docComment) { - if (documentationComment.length) { - documentationComment.push(ts.lineBreakPart()); - } - documentationComment.push(docComment); - }); - return documentationComment; - function getJsDocCommentsSeparatedByNewLines() { - var paramTag = "@param"; - var jsDocCommentParts = []; - ts.forEach(declarations, function (declaration, indexOfDeclaration) { - // Make sure we are collecting doc comment from declaration once, - // In case of union property there might be same declaration multiple times - // which only varies in type parameter - // Eg. const a: Array | Array; a.length - // The property length will have two declarations of property length coming - // from Array - Array and Array - if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { - var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); - // If it is parameter - try and get the jsDoc comment with @param tag from function declaration's jsDoc comments - if (canUseParsedParamTagComments && declaration.kind === 139 /* Parameter */) { - ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedParamJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); - } - }); - } - // If this is left side of dotted module declaration, there is no doc comments associated with this node - if (declaration.kind === 221 /* ModuleDeclaration */ && declaration.body.kind === 221 /* ModuleDeclaration */) { - return; - } - // If this is dotted module name, get the doc comments from the parent - while (declaration.kind === 221 /* ModuleDeclaration */ && declaration.parent.kind === 221 /* ModuleDeclaration */) { - declaration = declaration.parent; - } - // Get the cleaned js doc comment text from the declaration - ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 /* VariableDeclaration */ ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedJsDocComment); - } - }); - } - }); - return jsDocCommentParts; - function getJsDocCommentTextRange(node, sourceFile) { - return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { - return { - pos: jsDocComment.pos + "/*".length, - end: jsDocComment.end - "*/".length // Trim off comment end indicator - }; - }); - } - function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { - if (maxSpacesToRemove !== undefined) { - end = Math.min(end, pos + maxSpacesToRemove); - } - for (; pos < end; pos++) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { - // Either found lineBreak or non whiteSpace - return pos; - } - } - return end; - } - function consumeLineBreaks(pos, end, sourceFile) { - while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function isName(pos, end, sourceFile, name) { - return pos + name.length < end && - sourceFile.text.substr(pos, name.length) === name && - (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || - ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); - } - function isParamTag(pos, end, sourceFile) { - // If it is @param tag - return isName(pos, end, sourceFile, paramTag); - } - function pushDocCommentLineText(docComments, text, blankLineCount) { - // Add the empty lines in between texts - while (blankLineCount) { - blankLineCount--; - docComments.push(ts.textPart("")); - } - docComments.push(ts.textPart(text)); - } - function getCleanedJsDocComment(pos, end, sourceFile) { - var spacesToRemoveAfterAsterisk; - var docComments = []; - var blankLineCount = 0; - var isInParamTag = false; - while (pos < end) { - var docCommentTextOfLine = ""; - // First consume leading white space - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); - // If the comment starts with '*' consume the spaces on this line - if (pos < end && sourceFile.text.charCodeAt(pos) === 42 /* asterisk */) { - var lineStartPos = pos + 1; - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); - // Set the spaces to remove after asterisk as margin if not already set - if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - spacesToRemoveAfterAsterisk = pos - lineStartPos; - } - } - else if (spacesToRemoveAfterAsterisk === undefined) { - spacesToRemoveAfterAsterisk = 0; - } - // Analyse text on this line - while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - var ch = sourceFile.text.charAt(pos); - if (ch === "@") { - // If it is @param tag - if (isParamTag(pos, end, sourceFile)) { - isInParamTag = true; - pos += paramTag.length; - continue; - } - else { - isInParamTag = false; - } - } - // Add the ch to doc text if we arent in param tag - if (!isInParamTag) { - docCommentTextOfLine += ch; - } - // Scan next character - pos++; - } - // Continue with next line - pos = consumeLineBreaks(pos, end, sourceFile); - if (docCommentTextOfLine) { - pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); - blankLineCount = 0; - } - else if (!isInParamTag && docComments.length) { - // This is blank line when there is text already parsed - blankLineCount++; - } - } - return docComments; - } - function getCleanedParamJsDocComment(pos, end, sourceFile) { - var paramHelpStringMargin; - var paramDocComments = []; - while (pos < end) { - if (isParamTag(pos, end, sourceFile)) { - var blankLineCount = 0; - var recordedParamTag = false; - // Consume leading spaces - pos = consumeWhiteSpaces(pos + paramTag.length); - if (pos >= end) { - break; - } - // Ignore type expression - if (sourceFile.text.charCodeAt(pos) === 123 /* openBrace */) { - pos++; - for (var curlies = 1; pos < end; pos++) { - var charCode = sourceFile.text.charCodeAt(pos); - // { character means we need to find another } to match the found one - if (charCode === 123 /* openBrace */) { - curlies++; - continue; - } - // } char - if (charCode === 125 /* closeBrace */) { - curlies--; - if (curlies === 0) { - // We do not have any more } to match the type expression is ignored completely - pos++; - break; - } - else { - // there are more { to be matched with } - continue; - } - } - // Found start of another tag - if (charCode === 64 /* at */) { - break; - } - } - // Consume white spaces - pos = consumeWhiteSpaces(pos); - if (pos >= end) { - break; - } - } - // Parameter name - if (isName(pos, end, sourceFile, name)) { - // Found the parameter we are looking for consume white spaces - pos = consumeWhiteSpaces(pos + name.length); - if (pos >= end) { - break; - } - var paramHelpString = ""; - var firstLineParamHelpStringPos = pos; - while (pos < end) { - var ch = sourceFile.text.charCodeAt(pos); - // at line break, set this comment line text and go to next line - if (ts.isLineBreak(ch)) { - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - paramHelpString = ""; - blankLineCount = 0; - recordedParamTag = true; - } - else if (recordedParamTag) { - blankLineCount++; - } - // Get the pos after cleaning start of the line - setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); - continue; - } - // Done scanning param help string - next tag found - if (ch === 64 /* at */) { - break; - } - paramHelpString += sourceFile.text.charAt(pos); - // Go to next character - pos++; - } - // If there is param help text, add it top the doc comments - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - } - paramHelpStringMargin = undefined; - } - // If this is the start of another tag, continue with the loop in seach of param tag with symbol name - if (sourceFile.text.charCodeAt(pos) === 64 /* at */) { - continue; - } - } - // Next character - pos++; - } - return paramDocComments; - function consumeWhiteSpaces(pos) { - while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { - // Get the pos after consuming line breaks - pos = consumeLineBreaks(pos, end, sourceFile); - if (pos >= end) { - return; - } - if (paramHelpStringMargin === undefined) { - paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; - } - // Now consume white spaces max - var startOfLinePos = pos; - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); - if (pos >= end) { - return; - } - var consumedSpaces = pos - startOfLinePos; - if (consumedSpaces < paramHelpStringMargin) { - var ch = sourceFile.text.charCodeAt(pos); - if (ch === 42 /* asterisk */) { - // Consume more spaces after asterisk - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); - } - } - } - } - } - } - var TypeObject = (function () { - function TypeObject(checker, flags) { - this.checker = checker; - this.flags = flags; - } - TypeObject.prototype.getFlags = function () { - return this.flags; - }; - TypeObject.prototype.getSymbol = function () { - return this.symbol; - }; - TypeObject.prototype.getProperties = function () { - return this.checker.getPropertiesOfType(this); - }; - TypeObject.prototype.getProperty = function (propertyName) { - return this.checker.getPropertyOfType(this, propertyName); - }; - TypeObject.prototype.getApparentProperties = function () { - return this.checker.getAugmentedPropertiesOfType(this); - }; - TypeObject.prototype.getCallSignatures = function () { - return this.checker.getSignaturesOfType(this, 0 /* Call */); - }; - TypeObject.prototype.getConstructSignatures = function () { - return this.checker.getSignaturesOfType(this, 1 /* Construct */); - }; - TypeObject.prototype.getStringIndexType = function () { - return this.checker.getIndexTypeOfType(this, 0 /* String */); - }; - TypeObject.prototype.getNumberIndexType = function () { - return this.checker.getIndexTypeOfType(this, 1 /* Number */); - }; - TypeObject.prototype.getBaseTypes = function () { - return this.flags & (1024 /* Class */ | 2048 /* Interface */) - ? this.checker.getBaseTypes(this) - : undefined; - }; - return TypeObject; - }()); - var SignatureObject = (function () { - function SignatureObject(checker) { - this.checker = checker; - } - SignatureObject.prototype.getDeclaration = function () { - return this.declaration; - }; - SignatureObject.prototype.getTypeParameters = function () { - return this.typeParameters; - }; - SignatureObject.prototype.getParameters = function () { - return this.parameters; - }; - SignatureObject.prototype.getReturnType = function () { - return this.checker.getReturnTypeOfSignature(this); - }; - SignatureObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], - /*name*/ undefined, - /*canUseParsedParamTagComments*/ false) : []; - } - return this.documentationComment; - }; - return SignatureObject; - }()); - var SourceFileObject = (function (_super) { - __extends(SourceFileObject, _super); - function SourceFileObject(kind, pos, end) { - _super.call(this, kind, pos, end); - } - SourceFileObject.prototype.update = function (newText, textChangeRange) { - return ts.updateSourceFile(this, newText, textChangeRange); - }; - SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { - return ts.getLineAndCharacterOfPosition(this, position); - }; - SourceFileObject.prototype.getLineStarts = function () { - return ts.getLineStarts(this); - }; - SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { - return ts.getPositionOfLineAndCharacter(this, line, character); - }; - SourceFileObject.prototype.getNamedDeclarations = function () { - if (!this.namedDeclarations) { - this.namedDeclarations = this.computeNamedDeclarations(); - } - return this.namedDeclarations; - }; - SourceFileObject.prototype.computeNamedDeclarations = function () { - var result = {}; - ts.forEachChild(this, visit); - return result; - function addDeclaration(declaration) { - var name = getDeclarationName(declaration); - if (name) { - var declarations = getDeclarations(name); - declarations.push(declaration); - } - } - function getDeclarations(name) { - return ts.getProperty(result, name) || (result[name] = []); - } - function getDeclarationName(declaration) { - if (declaration.name) { - var result_3 = getTextOfIdentifierOrLiteral(declaration.name); - if (result_3 !== undefined) { - return result_3; - } - if (declaration.name.kind === 137 /* ComputedPropertyName */) { - var expr = declaration.name.expression; - if (expr.kind === 169 /* PropertyAccessExpression */) { - return expr.name.text; - } - return getTextOfIdentifierOrLiteral(expr); - } - } - return undefined; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 9 /* StringLiteral */ || - node.kind === 8 /* NumericLiteral */) { - return node.text; - } - } - return undefined; - } - function visit(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - var functionDeclaration = node; - var declarationName = getDeclarationName(functionDeclaration); - if (declarationName) { - var declarations = getDeclarations(declarationName); - var lastDeclaration = ts.lastOrUndefined(declarations); - // Check whether this declaration belongs to an "overload group". - if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { - // Overwrite the last declaration if it was an overload - // and this one is an implementation. - if (functionDeclaration.body && !lastDeclaration.body) { - declarations[declarations.length - 1] = functionDeclaration; - } - } - else { - declarations.push(functionDeclaration); - } - ts.forEachChild(node, visit); - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - case 221 /* ModuleDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 233 /* ExportSpecifier */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 156 /* TypeLiteral */: - addDeclaration(node); - // fall through - case 145 /* Constructor */: - case 196 /* VariableStatement */: - case 215 /* VariableDeclarationList */: - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - case 222 /* ModuleBlock */: - ts.forEachChild(node, visit); - break; - case 195 /* Block */: - if (ts.isFunctionBlock(node)) { - ts.forEachChild(node, visit); - } - break; - case 139 /* Parameter */: - // Only consider properties defined as constructor parameters - if (!(node.flags & 56 /* AccessibilityModifier */)) { - break; - } - // fall through - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - if (ts.isBindingPattern(node.name)) { - ts.forEachChild(node.name, visit); - break; - } - case 250 /* EnumMember */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - addDeclaration(node); - break; - case 231 /* ExportDeclaration */: - // Handle named exports case e.g.: - // export {a, b as B} from "mod"; - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225 /* ImportDeclaration */: - var importClause = node.importClause; - if (importClause) { - // Handle default import case e.g.: - // import d from "mod"; - if (importClause.name) { - addDeclaration(importClause); - } - // Handle named bindings in imports e.g.: - // import * as NS from "mod"; - // import {a, b as B} from "mod"; - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - addDeclaration(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - } - } - }; - return SourceFileObject; - }(NodeObject)); - var TextChange = (function () { - function TextChange() { - } - return TextChange; - }()); - ts.TextChange = TextChange; - var HighlightSpanKind; - (function (HighlightSpanKind) { - HighlightSpanKind.none = "none"; - HighlightSpanKind.definition = "definition"; - HighlightSpanKind.reference = "reference"; - HighlightSpanKind.writtenReference = "writtenReference"; - })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); - (function (IndentStyle) { - IndentStyle[IndentStyle["None"] = 0] = "None"; - IndentStyle[IndentStyle["Block"] = 1] = "Block"; - IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; - })(ts.IndentStyle || (ts.IndentStyle = {})); - var IndentStyle = ts.IndentStyle; - (function (SymbolDisplayPartKind) { - SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; - SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; - SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; - SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; - SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; - SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; - SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; - })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); - var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; - (function (OutputFileType) { - OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; - OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; - OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; - })(ts.OutputFileType || (ts.OutputFileType = {})); - var OutputFileType = ts.OutputFileType; - (function (EndOfLineState) { - EndOfLineState[EndOfLineState["None"] = 0] = "None"; - EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; - EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; - EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; - EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; - })(ts.EndOfLineState || (ts.EndOfLineState = {})); - var EndOfLineState = ts.EndOfLineState; - (function (TokenClass) { - TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; - TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; - TokenClass[TokenClass["Operator"] = 2] = "Operator"; - TokenClass[TokenClass["Comment"] = 3] = "Comment"; - TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; - TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; - TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; - TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; - TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; - })(ts.TokenClass || (ts.TokenClass = {})); - var TokenClass = ts.TokenClass; - // TODO: move these to enums - var ScriptElementKind; - (function (ScriptElementKind) { - ScriptElementKind.unknown = ""; - ScriptElementKind.warning = "warning"; - // predefined type (void) or keyword (class) - ScriptElementKind.keyword = "keyword"; - // top level script node - ScriptElementKind.scriptElement = "script"; - // module foo {} - ScriptElementKind.moduleElement = "module"; - // class X {} - ScriptElementKind.classElement = "class"; - // var x = class X {} - ScriptElementKind.localClassElement = "local class"; - // interface Y {} - ScriptElementKind.interfaceElement = "interface"; - // type T = ... - ScriptElementKind.typeElement = "type"; - // enum E - ScriptElementKind.enumElement = "enum"; - // Inside module and script only - // const v = .. - ScriptElementKind.variableElement = "var"; - // Inside function - ScriptElementKind.localVariableElement = "local var"; - // Inside module and script only - // function f() { } - ScriptElementKind.functionElement = "function"; - // Inside function - ScriptElementKind.localFunctionElement = "local function"; - // class X { [public|private]* foo() {} } - ScriptElementKind.memberFunctionElement = "method"; - // class X { [public|private]* [get|set] foo:number; } - ScriptElementKind.memberGetAccessorElement = "getter"; - ScriptElementKind.memberSetAccessorElement = "setter"; - // class X { [public|private]* foo:number; } - // interface Y { foo:number; } - ScriptElementKind.memberVariableElement = "property"; - // class X { constructor() { } } - ScriptElementKind.constructorImplementationElement = "constructor"; - // interface Y { ():number; } - ScriptElementKind.callSignatureElement = "call"; - // interface Y { []:number; } - ScriptElementKind.indexSignatureElement = "index"; - // interface Y { new():Y; } - ScriptElementKind.constructSignatureElement = "construct"; - // function foo(*Y*: string) - ScriptElementKind.parameterElement = "parameter"; - ScriptElementKind.typeParameterElement = "type parameter"; - ScriptElementKind.primitiveType = "primitive type"; - ScriptElementKind.label = "label"; - ScriptElementKind.alias = "alias"; - ScriptElementKind.constElement = "const"; - ScriptElementKind.letElement = "let"; - })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); - var ScriptElementKindModifier; - (function (ScriptElementKindModifier) { - ScriptElementKindModifier.none = ""; - ScriptElementKindModifier.publicMemberModifier = "public"; - ScriptElementKindModifier.privateMemberModifier = "private"; - ScriptElementKindModifier.protectedMemberModifier = "protected"; - ScriptElementKindModifier.exportedModifier = "export"; - ScriptElementKindModifier.ambientModifier = "declare"; - ScriptElementKindModifier.staticModifier = "static"; - ScriptElementKindModifier.abstractModifier = "abstract"; - })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); - var ClassificationTypeNames = (function () { - function ClassificationTypeNames() { - } - ClassificationTypeNames.comment = "comment"; - ClassificationTypeNames.identifier = "identifier"; - ClassificationTypeNames.keyword = "keyword"; - ClassificationTypeNames.numericLiteral = "number"; - ClassificationTypeNames.operator = "operator"; - ClassificationTypeNames.stringLiteral = "string"; - ClassificationTypeNames.whiteSpace = "whitespace"; - ClassificationTypeNames.text = "text"; - ClassificationTypeNames.punctuation = "punctuation"; - ClassificationTypeNames.className = "class name"; - ClassificationTypeNames.enumName = "enum name"; - ClassificationTypeNames.interfaceName = "interface name"; - ClassificationTypeNames.moduleName = "module name"; - ClassificationTypeNames.typeParameterName = "type parameter name"; - ClassificationTypeNames.typeAliasName = "type alias name"; - ClassificationTypeNames.parameterName = "parameter name"; - ClassificationTypeNames.docCommentTagName = "doc comment tag name"; - ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; - ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; - ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; - ClassificationTypeNames.jsxAttribute = "jsx attribute"; - ClassificationTypeNames.jsxText = "jsx text"; - ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; - return ClassificationTypeNames; - }()); - ts.ClassificationTypeNames = ClassificationTypeNames; - (function (ClassificationType) { - ClassificationType[ClassificationType["comment"] = 1] = "comment"; - ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; - ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; - ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; - ClassificationType[ClassificationType["operator"] = 5] = "operator"; - ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; - ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; - ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; - ClassificationType[ClassificationType["text"] = 9] = "text"; - ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; - ClassificationType[ClassificationType["className"] = 11] = "className"; - ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; - ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; - ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; - ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; - ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; - ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; - ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; - ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; - ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; - ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; - ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; - ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; - ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; - })(ts.ClassificationType || (ts.ClassificationType = {})); - var ClassificationType = ts.ClassificationType; - function displayPartsToString(displayParts) { - if (displayParts) { - return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); - } - return ""; - } - ts.displayPartsToString = displayPartsToString; - function isLocalVariableOrFunction(symbol) { - if (symbol.parent) { - return false; // This is exported symbol - } - return ts.forEach(symbol.declarations, function (declaration) { - // Function expressions are local - if (declaration.kind === 176 /* FunctionExpression */) { - return true; - } - if (declaration.kind !== 214 /* VariableDeclaration */ && declaration.kind !== 216 /* FunctionDeclaration */) { - return false; - } - // If the parent is not sourceFile or module block it is local variable - for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { - // Reached source file or module block - if (parent_10.kind === 251 /* SourceFile */ || parent_10.kind === 222 /* ModuleBlock */) { - return false; - } - } - // parent is in function block - return true; - }); - } - function getDefaultCompilerOptions() { - // Always default to "ScriptTarget.ES5" for the language service - return { - target: 1 /* ES5 */, - jsx: 1 /* Preserve */ - }; - } - ts.getDefaultCompilerOptions = getDefaultCompilerOptions; - // Cache host information about scrip Should be refreshed - // at each language service public entry point, since we don't know when - // set of scripts handled by the host changes. - var HostCache = (function () { - function HostCache(host, getCanonicalFileName) { - this.host = host; - this.getCanonicalFileName = getCanonicalFileName; - // script id => script index - this.currentDirectory = host.getCurrentDirectory(); - this.fileNameToEntry = ts.createFileMap(); - // Initialize the list with the root file names - var rootFileNames = host.getScriptFileNames(); - for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { - var fileName = rootFileNames_1[_i]; - this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); - } - // store the compilation settings - this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); - } - HostCache.prototype.compilationSettings = function () { - return this._compilationSettings; - }; - HostCache.prototype.createEntry = function (fileName, path) { - var entry; - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (scriptSnapshot) { - entry = { - hostFileName: fileName, - version: this.host.getScriptVersion(fileName), - scriptSnapshot: scriptSnapshot - }; - } - this.fileNameToEntry.set(path, entry); - return entry; - }; - HostCache.prototype.getEntry = function (path) { - return this.fileNameToEntry.get(path); - }; - HostCache.prototype.contains = function (path) { - return this.fileNameToEntry.contains(path); - }; - HostCache.prototype.getOrCreateEntry = function (fileName) { - var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); - if (this.contains(path)) { - return this.getEntry(path); - } - return this.createEntry(fileName, path); - }; - HostCache.prototype.getRootFileNames = function () { - var fileNames = []; - this.fileNameToEntry.forEachValue(function (path, value) { - if (value) { - fileNames.push(value.hostFileName); - } - }); - return fileNames; - }; - HostCache.prototype.getVersion = function (path) { - var file = this.getEntry(path); - return file && file.version; - }; - HostCache.prototype.getScriptSnapshot = function (path) { - var file = this.getEntry(path); - return file && file.scriptSnapshot; - }; - return HostCache; - }()); - var SyntaxTreeCache = (function () { - function SyntaxTreeCache(host) { - this.host = host; - } - SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (!scriptSnapshot) { - // The host does not know about this file. - throw new Error("Could not find file: '" + fileName + "'."); - } - var version = this.host.getScriptVersion(fileName); - var sourceFile; - if (this.currentFileName !== fileName) { - // This is a new file, just parse it - sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2 /* Latest */, version, /*setNodeParents*/ true); - } - else if (this.currentFileVersion !== version) { - // This is the same file, just a newer version. Incrementally parse the file. - var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); - sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); - } - if (sourceFile) { - // All done, ensure state is up to date - this.currentFileVersion = version; - this.currentFileName = fileName; - this.currentFileScriptSnapshot = scriptSnapshot; - this.currentSourceFile = sourceFile; - } - return this.currentSourceFile; - }; - return SyntaxTreeCache; - }()); - function setSourceFileFields(sourceFile, scriptSnapshot, version) { - sourceFile.version = version; - sourceFile.scriptSnapshot = scriptSnapshot; - } - /* - * This function will compile source text from 'input' argument using specified compiler options. - * If not options are provided - it will use a set of default compiler options. - * Extra compiler options that will unconditionally be used by this function are: - * - isolatedModules = true - * - allowNonTsExtensions = true - * - noLib = true - * - noResolve = true - */ - function transpileModule(input, transpileOptions) { - var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); - options.isolatedModules = true; - // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths. - options.suppressOutputPathCheck = true; - // Filename can be non-ts file. - options.allowNonTsExtensions = true; - // We are not returning a sourceFile for lib file when asked by the program, - // so pass --noLib to avoid reporting a file not found error. - options.noLib = true; - // We are not doing a full typecheck, we are not resolving the whole context, - // so pass --noResolve to avoid reporting missing file errors. - options.noResolve = true; - // if jsx is specified then treat file as .tsx - var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); - var sourceFile = ts.createSourceFile(inputFileName, input, options.target); - if (transpileOptions.moduleName) { - sourceFile.moduleName = transpileOptions.moduleName; - } - sourceFile.renamedDependencies = transpileOptions.renamedDependencies; - var newLine = ts.getNewLineCharacter(options); - // Output - var outputText; - var sourceMapText; - // Create a compilerHost object to allow the compiler to read and write files - var compilerHost = { - getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, - writeFile: function (name, text, writeByteOrderMark) { - if (ts.fileExtensionIs(name, ".map")) { - ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); - sourceMapText = text; - } - else { - ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); - outputText = text; - } - }, - getDefaultLibFileName: function () { return "lib.d.ts"; }, - useCaseSensitiveFileNames: function () { return false; }, - getCanonicalFileName: function (fileName) { return fileName; }, - getCurrentDirectory: function () { return ""; }, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return fileName === inputFileName; }, - readFile: function (fileName) { return ""; }, - directoryExists: function (directoryExists) { return true; } - }; - var program = ts.createProgram([inputFileName], options, compilerHost); - var diagnostics; - if (transpileOptions.reportDiagnostics) { - diagnostics = []; - ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile)); - ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics()); - } - // Emit - program.emit(); - ts.Debug.assert(outputText !== undefined, "Output generation failed"); - return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; - } - ts.transpileModule = transpileModule; - /* - * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result. - */ - function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { - var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); - // addRange correctly handles cases when wither 'from' or 'to' argument is missing - ts.addRange(diagnostics, output.diagnostics); - return output.outputText; - } - ts.transpile = transpile; - function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { - var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); - var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); - setSourceFileFields(sourceFile, scriptSnapshot, version); - return sourceFile; - } - ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; - ts.disableIncrementalParsing = false; - function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { - // If we were given a text change range, and our version or open-ness changed, then - // incrementally parse this file. - if (textChangeRange) { - if (version !== sourceFile.version) { - // Once incremental parsing is ready, then just call into this function. - if (!ts.disableIncrementalParsing) { - var newText = void 0; - // grab the fragment from the beginning of the original text to the beginning of the span - var prefix = textChangeRange.span.start !== 0 - ? sourceFile.text.substr(0, textChangeRange.span.start) - : ""; - // grab the fragment from the end of the span till the end of the original text - var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length - ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) - : ""; - if (textChangeRange.newLength === 0) { - // edit was a deletion - just combine prefix and suffix - newText = prefix && suffix ? prefix + suffix : prefix || suffix; - } - else { - // it was actual edit, fetch the fragment of new text that correspond to new span - var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); - // combine prefix, changed text and suffix - newText = prefix && suffix - ? prefix + changedText + suffix - : prefix - ? (prefix + changedText) - : (changedText + suffix); - } - var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - setSourceFileFields(newSourceFile, scriptSnapshot, version); - // after incremental parsing nameTable might not be up-to-date - // drop it so it can be lazily recreated later - newSourceFile.nameTable = undefined; - // dispose all resources held by old script snapshot - if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { - if (sourceFile.scriptSnapshot.dispose) { - sourceFile.scriptSnapshot.dispose(); - } - sourceFile.scriptSnapshot = undefined; - } - return newSourceFile; - } - } - } - // Otherwise, just create a new source file. - return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true); - } - ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; - function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { - if (currentDirectory === void 0) { currentDirectory = ""; } - // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have - // for those settings. - var buckets = {}; - var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); - function getKeyFromCompilationSettings(settings) { - return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; - } - function getBucketForCompilationSettings(settings, createIfMissing) { - var key = getKeyFromCompilationSettings(settings); - var bucket = ts.lookUp(buckets, key); - if (!bucket && createIfMissing) { - buckets[key] = bucket = ts.createFileMap(); - } - return bucket; - } - function reportStats() { - var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { - var entries = ts.lookUp(buckets, name); - var sourceFiles = []; - entries.forEachValue(function (key, entry) { - sourceFiles.push({ - name: key, - refCount: entry.languageServiceRefCount, - references: entry.owners.slice(0) - }); - }); - sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); - return { - bucket: name, - sourceFiles: sourceFiles - }; - }); - return JSON.stringify(bucketInfoArray, undefined, 2); - } - function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ true); - } - function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ false); - } - function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { - var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ true); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - if (!entry) { - ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); - // Have never seen this file with these settings. Create a new source file for it. - var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, /*setNodeParents*/ false); - entry = { - sourceFile: sourceFile, - languageServiceRefCount: 0, - owners: [] - }; - bucket.set(path, entry); - } - else { - // We have an entry for this file. However, it may be for a different version of - // the script snapshot. If so, update it appropriately. Otherwise, we can just - // return it as is. - if (entry.sourceFile.version !== version) { - entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); - } - } - // If we're acquiring, then this is the first time this LS is asking for this document. - // Increase our ref count so we know there's another LS using the document. If we're - // not acquiring, then that means the LS is 'updating' the file instead, and that means - // it has already acquired the document previously. As such, we do not need to increase - // the ref count. - if (acquiring) { - entry.languageServiceRefCount++; - } - return entry.sourceFile; - } - function releaseDocument(fileName, compilationSettings) { - var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ false); - ts.Debug.assert(bucket !== undefined); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - entry.languageServiceRefCount--; - ts.Debug.assert(entry.languageServiceRefCount >= 0); - if (entry.languageServiceRefCount === 0) { - bucket.remove(path); - } - } - return { - acquireDocument: acquireDocument, - updateDocument: updateDocument, - releaseDocument: releaseDocument, - reportStats: reportStats - }; - } - ts.createDocumentRegistry = createDocumentRegistry; - function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { - if (readImportFiles === void 0) { readImportFiles = true; } - if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } - var referencedFiles = []; - var importedFiles = []; - var ambientExternalModules; - var isNoDefaultLib = false; - function processTripleSlashDirectives() { - var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); - ts.forEach(commentRanges, function (commentRange) { - var comment = sourceText.substring(commentRange.pos, commentRange.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); - if (referencePathMatchResult) { - isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var fileReference = referencePathMatchResult.fileReference; - if (fileReference) { - referencedFiles.push(fileReference); - } - } - }); - } - function recordAmbientExternalModule() { - if (!ambientExternalModules) { - ambientExternalModules = []; - } - ambientExternalModules.push(scanner.getTokenValue()); - } - function recordModuleName() { - var importPath = scanner.getTokenValue(); - var pos = scanner.getTokenPos(); - importedFiles.push({ - fileName: importPath, - pos: pos, - end: pos + importPath.length - }); - } - /** - * Returns true if at least one token was consumed from the stream - */ - function tryConsumeDeclare() { - var token = scanner.getToken(); - if (token === 122 /* DeclareKeyword */) { - // declare module "mod" - token = scanner.scan(); - if (token === 125 /* ModuleKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - recordAmbientExternalModule(); - } - } - return true; - } - return false; - } - /** - * Returns true if at least one token was consumed from the stream - */ - function tryConsumeImport() { - var token = scanner.getToken(); - if (token === 89 /* ImportKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import "mod"; - recordModuleName(); - return true; - } - else { - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import d from "mod"; - recordModuleName(); - return true; - } - } - else if (token === 56 /* EqualsToken */) { - if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { - return true; - } - } - else if (token === 24 /* CommaToken */) { - // consume comma and keep going - token = scanner.scan(); - } - else { - // unknown syntax - return true; - } - } - if (token === 15 /* OpenBraceToken */) { - token = scanner.scan(); - // consume "{ a as B, c, d as D}" clauses - // make sure that it stops on EOF - while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { - token = scanner.scan(); - } - if (token === 16 /* CloseBraceToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import {a as A} from "mod"; - // import d, {a, b as B} from "mod" - recordModuleName(); - } - } - } - } - else if (token === 37 /* AsteriskToken */) { - token = scanner.scan(); - if (token === 116 /* AsKeyword */) { - token = scanner.scan(); - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import * as NS from "mod" - // import d, * as NS from "mod" - recordModuleName(); - } - } - } - } - } - } - return true; - } - return false; - } - function tryConsumeExport() { - var token = scanner.getToken(); - if (token === 82 /* ExportKeyword */) { - token = scanner.scan(); - if (token === 15 /* OpenBraceToken */) { - token = scanner.scan(); - // consume "{ a as B, c, d as D}" clauses - // make sure it stops on EOF - while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { - token = scanner.scan(); - } - if (token === 16 /* CloseBraceToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // export {a as A} from "mod"; - // export {a, b as B} from "mod" - recordModuleName(); - } - } - } - } - else if (token === 37 /* AsteriskToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // export * from "mod" - recordModuleName(); - } - } - } - else if (token === 89 /* ImportKeyword */) { - token = scanner.scan(); - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 56 /* EqualsToken */) { - if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { - return true; - } - } - } - } - return true; - } - return false; - } - function tryConsumeRequireCall(skipCurrentToken) { - var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); - if (token === 127 /* RequireKeyword */) { - token = scanner.scan(); - if (token === 17 /* OpenParenToken */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // require("mod"); - recordModuleName(); - } - } - return true; - } - return false; - } - function tryConsumeDefine() { - var token = scanner.getToken(); - if (token === 69 /* Identifier */ && scanner.getTokenValue() === "define") { - token = scanner.scan(); - if (token !== 17 /* OpenParenToken */) { - return true; - } - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // looks like define ("modname", ... - skip string literal and comma - token = scanner.scan(); - if (token === 24 /* CommaToken */) { - token = scanner.scan(); - } - else { - // unexpected token - return true; - } - } - // should be start of dependency list - if (token !== 19 /* OpenBracketToken */) { - return true; - } - // skip open bracket - token = scanner.scan(); - var i = 0; - // scan until ']' or EOF - while (token !== 20 /* CloseBracketToken */ && token !== 1 /* EndOfFileToken */) { - // record string literals as module names - if (token === 9 /* StringLiteral */) { - recordModuleName(); - i++; - } - token = scanner.scan(); - } - return true; - } - return false; - } - function processImports() { - scanner.setText(sourceText); - scanner.scan(); - // Look for: - // import "mod"; - // import d from "mod" - // import {a as A } from "mod"; - // import * as NS from "mod" - // import d, {a, b as B} from "mod" - // import i = require("mod"); - // - // export * from "mod" - // export {a as b} from "mod" - // export import i = require("mod") - // (for JavaScript files) require("mod") - while (true) { - if (scanner.getToken() === 1 /* EndOfFileToken */) { - break; - } - // check if at least one of alternative have moved scanner forward - if (tryConsumeDeclare() || - tryConsumeImport() || - tryConsumeExport() || - (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false) || tryConsumeDefine()))) { - continue; - } - else { - scanner.scan(); - } - } - scanner.setText(undefined); - } - if (readImportFiles) { - processImports(); - } - processTripleSlashDirectives(); - return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; - } - ts.preProcessFile = preProcessFile; - /// Helpers - function getTargetLabel(referenceNode, labelName) { - while (referenceNode) { - if (referenceNode.kind === 210 /* LabeledStatement */ && referenceNode.label.text === labelName) { - return referenceNode.label; - } - referenceNode = referenceNode.parent; - } - return undefined; - } - function isJumpStatementTarget(node) { - return node.kind === 69 /* Identifier */ && - (node.parent.kind === 206 /* BreakStatement */ || node.parent.kind === 205 /* ContinueStatement */) && - node.parent.label === node; - } - function isLabelOfLabeledStatement(node) { - return node.kind === 69 /* Identifier */ && - node.parent.kind === 210 /* LabeledStatement */ && - node.parent.label === node; - } - /** - * Whether or not a 'node' is preceded by a label of the given string. - * Note: 'node' cannot be a SourceFile. - */ - function isLabeledBy(node, labelName) { - for (var owner = node.parent; owner.kind === 210 /* LabeledStatement */; owner = owner.parent) { - if (owner.label.text === labelName) { - return true; - } - } - return false; - } - function isLabelName(node) { - return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); - } - function isRightSideOfQualifiedName(node) { - return node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node; - } - function isRightSideOfPropertyAccess(node) { - return node && node.parent && node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node; - } - function isCallExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; - } - function isNewExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node; - } - function isNameOfModuleDeclaration(node) { - return node.parent.kind === 221 /* ModuleDeclaration */ && node.parent.name === node; - } - function isNameOfFunctionDeclaration(node) { - return node.kind === 69 /* Identifier */ && - ts.isFunctionLike(node.parent) && node.parent.name === node; - } - /** Returns true if node is a name of an object literal property, e.g. "a" in x = { "a": 1 } */ - function isNameOfPropertyAssignment(node) { - return (node.kind === 69 /* Identifier */ || node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) && - (node.parent.kind === 248 /* PropertyAssignment */ || node.parent.kind === 249 /* ShorthandPropertyAssignment */) && node.parent.name === node; - } - function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { - if (node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) { - switch (node.parent.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 250 /* EnumMember */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 221 /* ModuleDeclaration */: - return node.parent.name === node; - case 170 /* ElementAccessExpression */: - return node.parent.argumentExpression === node; - } - } - return false; - } - function isNameOfExternalModuleImportOrDeclaration(node) { - if (node.kind === 9 /* StringLiteral */) { - return isNameOfModuleDeclaration(node) || - (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); - } - return false; - } - /** Returns true if the position is within a comment */ - function isInsideComment(sourceFile, token, position) { - // The position has to be: 1. in the leading trivia (before token.getStart()), and 2. within a comment - return position <= token.getStart(sourceFile) && - (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || - isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); - function isInsideCommentRange(comments) { - return ts.forEach(comments, function (comment) { - // either we are 1. completely inside the comment, or 2. at the end of the comment - if (comment.pos < position && position < comment.end) { - return true; - } - else if (position === comment.end) { - var text = sourceFile.text; - var width = comment.end - comment.pos; - // is single line comment or just /* - if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47 /* slash */) { - return true; - } - else { - // is unterminated multi-line comment - return !(text.charCodeAt(comment.end - 1) === 47 /* slash */ && - text.charCodeAt(comment.end - 2) === 42 /* asterisk */); - } - } - return false; - }); - } - } - var SemanticMeaning; - (function (SemanticMeaning) { - SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; - SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; - SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; - SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; - SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; - })(SemanticMeaning || (SemanticMeaning = {})); - var BreakContinueSearchType; - (function (BreakContinueSearchType) { - BreakContinueSearchType[BreakContinueSearchType["None"] = 0] = "None"; - BreakContinueSearchType[BreakContinueSearchType["Unlabeled"] = 1] = "Unlabeled"; - BreakContinueSearchType[BreakContinueSearchType["Labeled"] = 2] = "Labeled"; - BreakContinueSearchType[BreakContinueSearchType["All"] = 3] = "All"; - })(BreakContinueSearchType || (BreakContinueSearchType = {})); - // A cache of completion entries for keywords, these do not change between sessions - var keywordCompletions = []; - for (var i = 70 /* FirstKeyword */; i <= 135 /* LastKeyword */; i++) { - keywordCompletions.push({ - name: ts.tokenToString(i), - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - sortText: "0" - }); - } - /* @internal */ function getContainerNode(node) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 251 /* SourceFile */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 221 /* ModuleDeclaration */: - return node; - } - } - } - ts.getContainerNode = getContainerNode; - /* @internal */ function getNodeKind(node) { - switch (node.kind) { - case 221 /* ModuleDeclaration */: return ScriptElementKind.moduleElement; - case 217 /* ClassDeclaration */: return ScriptElementKind.classElement; - case 218 /* InterfaceDeclaration */: return ScriptElementKind.interfaceElement; - case 219 /* TypeAliasDeclaration */: return ScriptElementKind.typeElement; - case 220 /* EnumDeclaration */: return ScriptElementKind.enumElement; - case 214 /* VariableDeclaration */: - return ts.isConst(node) - ? ScriptElementKind.constElement - : ts.isLet(node) - ? ScriptElementKind.letElement - : ScriptElementKind.variableElement; - case 216 /* FunctionDeclaration */: return ScriptElementKind.functionElement; - case 146 /* GetAccessor */: return ScriptElementKind.memberGetAccessorElement; - case 147 /* SetAccessor */: return ScriptElementKind.memberSetAccessorElement; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return ScriptElementKind.memberFunctionElement; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return ScriptElementKind.memberVariableElement; - case 150 /* IndexSignature */: return ScriptElementKind.indexSignatureElement; - case 149 /* ConstructSignature */: return ScriptElementKind.constructSignatureElement; - case 148 /* CallSignature */: return ScriptElementKind.callSignatureElement; - case 145 /* Constructor */: return ScriptElementKind.constructorImplementationElement; - case 138 /* TypeParameter */: return ScriptElementKind.typeParameterElement; - case 250 /* EnumMember */: return ScriptElementKind.variableElement; - case 139 /* Parameter */: return (node.flags & 56 /* AccessibilityModifier */) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 226 /* ImportClause */: - case 233 /* ExportSpecifier */: - case 227 /* NamespaceImport */: - return ScriptElementKind.alias; - } - return ScriptElementKind.unknown; - } - ts.getNodeKind = getNodeKind; - var CancellationTokenObject = (function () { - function CancellationTokenObject(cancellationToken) { - this.cancellationToken = cancellationToken; - } - CancellationTokenObject.prototype.isCancellationRequested = function () { - return this.cancellationToken && this.cancellationToken.isCancellationRequested(); - }; - CancellationTokenObject.prototype.throwIfCancellationRequested = function () { - if (this.isCancellationRequested()) { - throw new ts.OperationCanceledException(); - } - }; - return CancellationTokenObject; - }()); - function createLanguageService(host, documentRegistry) { - if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - var syntaxTreeCache = new SyntaxTreeCache(host); - var ruleProvider; - var program; - var lastProjectVersion; - var useCaseSensitivefileNames = false; - var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); - var currentDirectory = host.getCurrentDirectory(); - // Check if the localized messages json is set, otherwise query the host for it - if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { - ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); - } - function log(message) { - if (host.log) { - host.log(message); - } - } - var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); - function getValidSourceFile(fileName) { - var sourceFile = program.getSourceFile(fileName); - if (!sourceFile) { - throw new Error("Could not find file: '" + fileName + "'."); - } - return sourceFile; - } - function getRuleProvider(options) { - // Ensure rules are initialized and up to date wrt to formatting options - if (!ruleProvider) { - ruleProvider = new ts.formatting.RulesProvider(); - } - ruleProvider.ensureUpToDate(options); - return ruleProvider; - } - function synchronizeHostData() { - // perform fast check if host supports it - if (host.getProjectVersion) { - var hostProjectVersion = host.getProjectVersion(); - if (hostProjectVersion) { - if (lastProjectVersion === hostProjectVersion) { - return; - } - lastProjectVersion = hostProjectVersion; - } - } - // Get a fresh cache of the host information - var hostCache = new HostCache(host, getCanonicalFileName); - // If the program is already up-to-date, we can reuse it - if (programUpToDate()) { - return; - } - // IMPORTANT - It is critical from this moment onward that we do not check - // cancellation tokens. We are about to mutate source files from a previous program - // instance. If we cancel midway through, we may end up in an inconsistent state where - // the program points to old source files that have been invalidated because of - // incremental parsing. - var oldSettings = program && program.getCompilerOptions(); - var newSettings = hostCache.compilationSettings(); - var changesInCompilationSettingsAffectSyntax = oldSettings && - (oldSettings.target !== newSettings.target || - oldSettings.module !== newSettings.module || - oldSettings.noResolve !== newSettings.noResolve || - oldSettings.jsx !== newSettings.jsx || - oldSettings.allowJs !== newSettings.allowJs); - // Now create a new compiler - var compilerHost = { - getSourceFile: getOrCreateSourceFile, - getCancellationToken: function () { return cancellationToken; }, - getCanonicalFileName: getCanonicalFileName, - useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, - getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, - getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function (fileName, data, writeByteOrderMark) { }, - getCurrentDirectory: function () { return currentDirectory; }, - fileExists: function (fileName) { - // stub missing host functionality - ts.Debug.assert(!host.resolveModuleNames); - return hostCache.getOrCreateEntry(fileName) !== undefined; - }, - readFile: function (fileName) { - // stub missing host functionality - var entry = hostCache.getOrCreateEntry(fileName); - return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); - }, - directoryExists: function (directoryName) { - ts.Debug.assert(!host.resolveModuleNames); - return ts.directoryProbablyExists(directoryName, host); - } - }; - if (host.resolveModuleNames) { - compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; - } - var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); - // Release any files we have acquired in the old program but are - // not part of the new program. - if (program) { - var oldSourceFiles = program.getSourceFiles(); - for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { - var oldSourceFile = oldSourceFiles_1[_i]; - if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { - documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); - } - } - } - // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point. - // It needs to be cleared to allow all collected snapshots to be released - hostCache = undefined; - program = newProgram; - // Make sure all the nodes in the program are both bound, and have their parent - // pointers set property. - program.getTypeChecker(); - return; - function getOrCreateSourceFile(fileName) { - ts.Debug.assert(hostCache !== undefined); - // The program is asking for this file, check first if the host can locate it. - // If the host can not locate the file, then it does not exist. return undefined - // to the program to allow reporting of errors for missing files. - var hostFileInformation = hostCache.getOrCreateEntry(fileName); - if (!hostFileInformation) { - return undefined; - } - // Check if the language version has changed since we last created a program; if they are the same, - // it is safe to reuse the souceFiles; if not, then the shape of the AST can change, and the oldSourceFile - // can not be reused. we have to dump all syntax trees and create new ones. - if (!changesInCompilationSettingsAffectSyntax) { - // Check if the old program had this file already - var oldSourceFile = program && program.getSourceFile(fileName); - if (oldSourceFile) { - // We already had a source file for this file name. Go to the registry to - // ensure that we get the right up to date version of it. We need this to - // address the following 'race'. Specifically, say we have the following: - // - // LS1 - // \ - // DocumentRegistry - // / - // LS2 - // - // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates - // it's version of 'foo.ts' to version 2. This will cause LS2 and the - // DocumentRegistry to have version 2 of the document. HOwever, LS1 will - // have version 1. And *importantly* this source file will be *corrupt*. - // The act of creating version 2 of the file irrevocably damages the version - // 1 file. - // - // So, later when we call into LS1, we need to make sure that it doesn't use - // it's source file any more, and instead defers to DocumentRegistry to get - // either version 1, version 2 (or some other version) depending on what the - // host says should be used. - return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - } - // Could not find this file in the old program, create a new SourceFile for it. - return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - function sourceFileUpToDate(sourceFile) { - if (!sourceFile) { - return false; - } - var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); - return sourceFile.version === hostCache.getVersion(path); - } - function programUpToDate() { - // If we haven't create a program yet, then it is not up-to-date - if (!program) { - return false; - } - // If number of files in the program do not match, it is not up-to-date - var rootFileNames = hostCache.getRootFileNames(); - if (program.getSourceFiles().length !== rootFileNames.length) { - return false; - } - // If any file is not up-to-date, then the whole program is not up-to-date - for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { - var fileName = rootFileNames_2[_i]; - if (!sourceFileUpToDate(program.getSourceFile(fileName))) { - return false; - } - } - // If the compilation settings do no match, then the program is not up-to-date - return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); - } - } - function getProgram() { - synchronizeHostData(); - return program; - } - function cleanupSemanticCache() { - // TODO: Should we jettison the program (or it's type checker) here? - } - function dispose() { - if (program) { - ts.forEach(program.getSourceFiles(), function (f) { - return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); - }); - } - } - /// Diagnostics - function getSyntacticDiagnostics(fileName) { - synchronizeHostData(); - return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); - } - /** - * getSemanticDiagnostiscs return array of Diagnostics. If '-d' is not enabled, only report semantic errors - * If '-d' enabled, report both semantic and emitter errors - */ - function getSemanticDiagnostics(fileName) { - synchronizeHostData(); - var targetSourceFile = getValidSourceFile(fileName); - // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file. - // Therefore only get diagnostics for given file. - var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); - if (!program.getCompilerOptions().declaration) { - return semanticDiagnostics; - } - // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface - var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); - return ts.concatenate(semanticDiagnostics, declarationDiagnostics); - } - function getCompilerOptionsDiagnostics() { - synchronizeHostData(); - return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); - } - /** - * Get the name to be display in completion from a given symbol. - * - * @return undefined if the name is of external module otherwise a name with striped of any quote - */ - function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { - var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); - if (displayName) { - var firstCharCode = displayName.charCodeAt(0); - // First check of the displayName is not external module; if it is an external module, it is not valid entry - if ((symbol.flags & 1536 /* Namespace */) && (firstCharCode === 39 /* singleQuote */ || firstCharCode === 34 /* doubleQuote */)) { - // If the symbol is external module, don't show it in the completion list - // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there) - return undefined; - } - } - return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); - } - /** - * Get a displayName from a given for completion list, performing any necessary quotes stripping - * and checking whether the name is valid identifier name. - */ - function getCompletionEntryDisplayName(name, target, performCharacterChecks) { - if (!name) { - return undefined; - } - name = ts.stripQuotes(name); - if (!name) { - return undefined; - } - // If the user entered name for the symbol was quoted, removing the quotes is not enough, as the name could be an - // invalid identifier name. We need to check if whatever was inside the quotes is actually a valid identifier name. - // e.g "b a" is valid quoted name but when we strip off the quotes, it is invalid. - // We, thus, need to check if whatever was inside the quotes is actually a valid identifier name. - if (performCharacterChecks) { - if (!ts.isIdentifier(name, target)) { - return undefined; - } - } - return name; - } - function getCompletionData(fileName, position) { - var typeChecker = program.getTypeChecker(); - var sourceFile = getValidSourceFile(fileName); - var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); - var isJsDocTagName = false; - var start = new Date().getTime(); - var currentToken = ts.getTokenAtPosition(sourceFile, position); - log("getCompletionData: Get current token: " + (new Date().getTime() - start)); - start = new Date().getTime(); - // Completion not allowed inside comments, bail out if this is the case - var insideComment = isInsideComment(sourceFile, currentToken, position); - log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); - if (insideComment) { - // The current position is next to the '@' sign, when no tag name being provided yet. - // Provide a full list of tag names - if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64 /* at */) { - isJsDocTagName = true; - } - // Completion should work inside certain JsDoc tags. For example: - // /** @type {number | string} */ - // Completion should work in the brackets - var insideJsDocTagExpression = false; - var tag = ts.getJsDocTagAtPosition(sourceFile, position); - if (tag) { - if (tag.tagName.pos <= position && position <= tag.tagName.end) { - isJsDocTagName = true; - } - switch (tag.kind) { - case 272 /* JSDocTypeTag */: - case 270 /* JSDocParameterTag */: - case 271 /* JSDocReturnTag */: - var tagWithExpression = tag; - if (tagWithExpression.typeExpression) { - insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; - } - break; - } - } - if (isJsDocTagName) { - return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; - } - if (!insideJsDocTagExpression) { - // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal - // comment or the plain text part of a jsDoc comment, so no completion should be available - log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); - return undefined; - } - } - start = new Date().getTime(); - var previousToken = ts.findPrecedingToken(position, sourceFile); - log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); - // The decision to provide completion depends on the contextToken, which is determined through the previousToken. - // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file - var contextToken = previousToken; - // Check if the caret is at the end of an identifier; this is a partial identifier that we want to complete: e.g. a.toS| - // Skip this partial identifier and adjust the contextToken to the token that precedes it. - if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { - var start_6 = new Date().getTime(); - contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); - log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); - } - // Find the node where completion is requested on. - // Also determine whether we are trying to complete with members of that node - // or attributes of a JSX tag. - var node = currentToken; - var isRightOfDot = false; - var isRightOfOpenTag = false; - var isStartingCloseTag = false; - var location = ts.getTouchingPropertyName(sourceFile, position); - if (contextToken) { - // Bail out if this is a known invalid completion location - if (isCompletionListBlocker(contextToken)) { - log("Returning an empty list because completion was requested in an invalid position."); - return undefined; - } - var parent_11 = contextToken.parent, kind = contextToken.kind; - if (kind === 21 /* DotToken */) { - if (parent_11.kind === 169 /* PropertyAccessExpression */) { - node = contextToken.parent.expression; - isRightOfDot = true; - } - else if (parent_11.kind === 136 /* QualifiedName */) { - node = contextToken.parent.left; - isRightOfDot = true; - } - else { - // There is nothing that precedes the dot, so this likely just a stray character - // or leading into a '...' token. Just bail out instead. - return undefined; - } - } - else if (sourceFile.languageVariant === 1 /* JSX */) { - if (kind === 25 /* LessThanToken */) { - isRightOfOpenTag = true; - location = contextToken; - } - else if (kind === 39 /* SlashToken */ && contextToken.parent.kind === 240 /* JsxClosingElement */) { - isStartingCloseTag = true; - location = contextToken; - } - } - } - var semanticStart = new Date().getTime(); - var isMemberCompletion; - var isNewIdentifierLocation; - var symbols = []; - if (isRightOfDot) { - getTypeScriptMemberSymbols(); - } - else if (isRightOfOpenTag) { - var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); - if (tryGetGlobalSymbols()) { - symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455 /* Value */); })); - } - else { - symbols = tagSymbols; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else if (isStartingCloseTag) { - var tagName = contextToken.parent.parent.openingElement.tagName; - var tagSymbol = typeChecker.getSymbolAtLocation(tagName); - if (!typeChecker.isUnknownSymbol(tagSymbol)) { - symbols = [tagSymbol]; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else { - // For JavaScript or TypeScript, if we're not after a dot, then just try to get the - // global symbols in scope. These results should be valid for either language as - // the set of symbols that can be referenced from this location. - if (!tryGetGlobalSymbols()) { - return undefined; - } - } - log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); - return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; - function getTypeScriptMemberSymbols() { - // Right of dot member completion list - isMemberCompletion = true; - isNewIdentifierLocation = false; - if (node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */) { - var symbol = typeChecker.getSymbolAtLocation(node); - // This is an alias, follow what it aliases - if (symbol && symbol.flags & 8388608 /* Alias */) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - if (symbol && symbol.flags & 1952 /* HasExports */) { - // Extract module or enum members - var exportedSymbols = typeChecker.getExportsOfModule(symbol); - ts.forEach(exportedSymbols, function (symbol) { - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - }); - } - } - var type = typeChecker.getTypeAtLocation(node); - addTypeProperties(type); - } - function addTypeProperties(type) { - if (type) { - // Filter private properties - for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { - var symbol = _a[_i]; - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - } - if (isJavaScriptFile && type.flags & 16384 /* Union */) { - // In javascript files, for union types, we don't just get the members that - // the individual types have in common, we also include all the members that - // each individual type has. This is because we're going to add all identifiers - // anyways. So we might as well elevate the members that were at least part - // of the individual types to a higher status since we know what they are. - var unionType = type; - for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { - var elementType = _c[_b]; - addTypeProperties(elementType); - } - } - } - } - function tryGetGlobalSymbols() { - var objectLikeContainer; - var namedImportsOrExports; - var jsxContainer; - if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { - return tryGetObjectLikeCompletionSymbols(objectLikeContainer); - } - if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { - // cursor is in an import clause - // try to show exported member for imported module - return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); - } - if (jsxContainer = tryGetContainingJsxElement(contextToken)) { - var attrsType = void 0; - if ((jsxContainer.kind === 237 /* JsxSelfClosingElement */) || (jsxContainer.kind === 238 /* JsxOpeningElement */)) { - // Cursor is inside a JSX self-closing element or opening element - attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); - if (attrsType) { - symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); - isMemberCompletion = true; - isNewIdentifierLocation = false; - return true; - } - } - } - // Get all entities in the current scope. - isMemberCompletion = false; - isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); - if (previousToken !== contextToken) { - ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); - } - // We need to find the node that will give us an appropriate scope to begin - // aggregating completion candidates. This is achieved in 'getScopeNode' - // by finding the first node that encompasses a position, accounting for whether a node - // is "complete" to decide whether a position belongs to the node. - // - // However, at the end of an identifier, we are interested in the scope of the identifier - // itself, but fall outside of the identifier. For instance: - // - // xyz => x$ - // - // the cursor is outside of both the 'x' and the arrow function 'xyz => x', - // so 'xyz' is not returned in our results. - // - // We define 'adjustedPosition' so that we may appropriately account for - // being at the end of an identifier. The intention is that if requesting completion - // at the end of an identifier, it should be effectively equivalent to requesting completion - // anywhere inside/at the beginning of the identifier. So in the previous case, the - // 'adjustedPosition' will work as if requesting completion in the following: - // - // xyz => $x - // - // If previousToken !== contextToken, then - // - 'contextToken' was adjusted to the token prior to 'previousToken' - // because we were at the end of an identifier. - // - 'previousToken' is defined. - var adjustedPosition = previousToken !== contextToken ? - previousToken.getStart() : - position; - var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; - /// TODO filter meaning based on the current context - var symbolMeanings = 793056 /* Type */ | 107455 /* Value */ | 1536 /* Namespace */ | 8388608 /* Alias */; - symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); - return true; - } - /** - * Finds the first node that "embraces" the position, so that one may - * accurately aggregate locals from the closest containing scope. - */ - function getScopeNode(initialToken, position, sourceFile) { - var scope = initialToken; - while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { - scope = scope.parent; - } - return scope; - } - function isCompletionListBlocker(contextToken) { - var start = new Date().getTime(); - var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || - isSolelyIdentifierDefinitionLocation(contextToken) || - isDotOfNumericLiteral(contextToken) || - isInJsxText(contextToken); - log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); - return result; - } - function isInJsxText(contextToken) { - if (contextToken.kind === 239 /* JsxText */) { - return true; - } - if (contextToken.kind === 27 /* GreaterThanToken */ && contextToken.parent) { - if (contextToken.parent.kind === 238 /* JsxOpeningElement */) { - return true; - } - if (contextToken.parent.kind === 240 /* JsxClosingElement */ || contextToken.parent.kind === 237 /* JsxSelfClosingElement */) { - return contextToken.parent.parent && contextToken.parent.parent.kind === 236 /* JsxElement */; - } - } - return false; - } - function isNewIdentifierDefinitionLocation(previousToken) { - if (previousToken) { - var containingNodeKind = previousToken.parent.kind; - switch (previousToken.kind) { - case 24 /* CommaToken */: - return containingNodeKind === 171 /* CallExpression */ // func( a, | - || containingNodeKind === 145 /* Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */ - || containingNodeKind === 172 /* NewExpression */ // new C(a, | - || containingNodeKind === 167 /* ArrayLiteralExpression */ // [a, | - || containingNodeKind === 184 /* BinaryExpression */ // const x = (a, | - || containingNodeKind === 153 /* FunctionType */; // var x: (s: string, list| - case 17 /* OpenParenToken */: - return containingNodeKind === 171 /* CallExpression */ // func( | - || containingNodeKind === 145 /* Constructor */ // constructor( | - || containingNodeKind === 172 /* NewExpression */ // new C(a| - || containingNodeKind === 175 /* ParenthesizedExpression */ // const x = (a| - || containingNodeKind === 161 /* ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */ - case 19 /* OpenBracketToken */: - return containingNodeKind === 167 /* ArrayLiteralExpression */ // [ | - || containingNodeKind === 150 /* IndexSignature */ // [ | : string ] - || containingNodeKind === 137 /* ComputedPropertyName */; // [ | /* this can become an index signature */ - case 125 /* ModuleKeyword */: // module | - case 126 /* NamespaceKeyword */: - return true; - case 21 /* DotToken */: - return containingNodeKind === 221 /* ModuleDeclaration */; // module A.| - case 15 /* OpenBraceToken */: - return containingNodeKind === 217 /* ClassDeclaration */; // class A{ | - case 56 /* EqualsToken */: - return containingNodeKind === 214 /* VariableDeclaration */ // const x = a| - || containingNodeKind === 184 /* BinaryExpression */; // x = a| - case 12 /* TemplateHead */: - return containingNodeKind === 186 /* TemplateExpression */; // `aa ${| - case 13 /* TemplateMiddle */: - return containingNodeKind === 193 /* TemplateSpan */; // `aa ${10} dd ${| - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return containingNodeKind === 142 /* PropertyDeclaration */; // class A{ public | - } - // Previous token may have been a keyword that was converted to an identifier. - switch (previousToken.getText()) { - case "public": - case "protected": - case "private": - return true; - } - } - return false; - } - function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { - if (contextToken.kind === 9 /* StringLiteral */ - || contextToken.kind === 163 /* StringLiteralType */ - || contextToken.kind === 10 /* RegularExpressionLiteral */ - || ts.isTemplateLiteralKind(contextToken.kind)) { - var start_7 = contextToken.getStart(); - var end = contextToken.getEnd(); - // To be "in" one of these literals, the position has to be: - // 1. entirely within the token text. - // 2. at the end position of an unterminated token. - // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). - if (start_7 < position && position < end) { - return true; - } - if (position === end) { - return !!contextToken.isUnterminated - || contextToken.kind === 10 /* RegularExpressionLiteral */; - } - } - return false; - } - /** - * Aggregates relevant symbols for completion in object literals and object binding patterns. - * Relevant symbols are stored in the captured 'symbols' variable. - * - * @returns true if 'symbols' was successfully populated; false otherwise. - */ - function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { - // We're looking up possible property names from contextual/inferred/declared type. - isMemberCompletion = true; - var typeForObject; - var existingMembers; - if (objectLikeContainer.kind === 168 /* ObjectLiteralExpression */) { - // We are completing on contextual types, but may also include properties - // other than those within the declared type. - isNewIdentifierLocation = true; - typeForObject = typeChecker.getContextualType(objectLikeContainer); - existingMembers = objectLikeContainer.properties; - } - else if (objectLikeContainer.kind === 164 /* ObjectBindingPattern */) { - // We are *only* completing on properties from the type being destructured. - isNewIdentifierLocation = false; - var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); - if (ts.isVariableLike(rootDeclaration)) { - // We don't want to complete using the type acquired by the shape - // of the binding pattern; we are only interested in types acquired - // through type declaration or inference. - if (rootDeclaration.initializer || rootDeclaration.type) { - typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); - existingMembers = objectLikeContainer.elements; - } - } - else { - ts.Debug.fail("Root declaration is not variable-like."); - } - } - else { - ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); - } - if (!typeForObject) { - return false; - } - var typeMembers = typeChecker.getPropertiesOfType(typeForObject); - if (typeMembers && typeMembers.length > 0) { - // Add filtered items to the completion list - symbols = filterObjectMembersList(typeMembers, existingMembers); - } - return true; - } - /** - * Aggregates relevant symbols for completion in import clauses and export clauses - * whose declarations have a module specifier; for instance, symbols will be aggregated for - * - * import { | } from "moduleName"; - * export { a as foo, | } from "moduleName"; - * - * but not for - * - * export { | }; - * - * Relevant symbols are stored in the captured 'symbols' variable. - * - * @returns true if 'symbols' was successfully populated; false otherwise. - */ - function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { - var declarationKind = namedImportsOrExports.kind === 228 /* NamedImports */ ? - 225 /* ImportDeclaration */ : - 231 /* ExportDeclaration */; - var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); - var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; - if (!moduleSpecifier) { - return false; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - var exports; - var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); - if (moduleSpecifierSymbol) { - exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); - } - symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; - return true; - } - /** - * Returns the immediate owning object literal or binding pattern of a context token, - * on the condition that one exists and that the context implies completion should be given. - */ - function tryGetObjectLikeCompletionContainer(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15 /* OpenBraceToken */: // const x = { | - case 24 /* CommaToken */: - var parent_12 = contextToken.parent; - if (parent_12 && (parent_12.kind === 168 /* ObjectLiteralExpression */ || parent_12.kind === 164 /* ObjectBindingPattern */)) { - return parent_12; - } - break; - } - } - return undefined; - } - /** - * Returns the containing list of named imports or exports of a context token, - * on the condition that one exists and that the context implies completion should be given. - */ - function tryGetNamedImportsOrExportsForCompletion(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15 /* OpenBraceToken */: // import { | - case 24 /* CommaToken */: - switch (contextToken.parent.kind) { - case 228 /* NamedImports */: - case 232 /* NamedExports */: - return contextToken.parent; - } - } - } - return undefined; - } - function tryGetContainingJsxElement(contextToken) { - if (contextToken) { - var parent_13 = contextToken.parent; - switch (contextToken.kind) { - case 26 /* LessThanSlashToken */: - case 39 /* SlashToken */: - case 69 /* Identifier */: - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - if (parent_13 && (parent_13.kind === 237 /* JsxSelfClosingElement */ || parent_13.kind === 238 /* JsxOpeningElement */)) { - return parent_13; - } - else if (parent_13.kind === 241 /* JsxAttribute */) { - return parent_13.parent; - } - break; - // The context token is the closing } or " of an attribute, which means - // its parent is a JsxExpression, whose parent is a JsxAttribute, - // whose parent is a JsxOpeningLikeElement - case 9 /* StringLiteral */: - if (parent_13 && ((parent_13.kind === 241 /* JsxAttribute */) || (parent_13.kind === 242 /* JsxSpreadAttribute */))) { - return parent_13.parent; - } - break; - case 16 /* CloseBraceToken */: - if (parent_13 && - parent_13.kind === 243 /* JsxExpression */ && - parent_13.parent && - (parent_13.parent.kind === 241 /* JsxAttribute */)) { - return parent_13.parent.parent; - } - if (parent_13 && parent_13.kind === 242 /* JsxSpreadAttribute */) { - return parent_13.parent; - } - break; - } - } - return undefined; - } - function isFunction(kind) { - switch (kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return true; - } - return false; - } - /** - * @returns true if we are certain that the currently edited location must define a new location; false otherwise. - */ - function isSolelyIdentifierDefinitionLocation(contextToken) { - var containingNodeKind = contextToken.parent.kind; - switch (contextToken.kind) { - case 24 /* CommaToken */: - return containingNodeKind === 214 /* VariableDeclaration */ || - containingNodeKind === 215 /* VariableDeclarationList */ || - containingNodeKind === 196 /* VariableStatement */ || - containingNodeKind === 220 /* EnumDeclaration */ || - isFunction(containingNodeKind) || - containingNodeKind === 217 /* ClassDeclaration */ || - containingNodeKind === 189 /* ClassExpression */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 165 /* ArrayBindingPattern */ || - containingNodeKind === 219 /* TypeAliasDeclaration */; // type Map, K, | - case 21 /* DotToken */: - return containingNodeKind === 165 /* ArrayBindingPattern */; // var [.| - case 54 /* ColonToken */: - return containingNodeKind === 166 /* BindingElement */; // var {x :html| - case 19 /* OpenBracketToken */: - return containingNodeKind === 165 /* ArrayBindingPattern */; // var [x| - case 17 /* OpenParenToken */: - return containingNodeKind === 247 /* CatchClause */ || - isFunction(containingNodeKind); - case 15 /* OpenBraceToken */: - return containingNodeKind === 220 /* EnumDeclaration */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 156 /* TypeLiteral */; // const x : { | - case 23 /* SemicolonToken */: - return containingNodeKind === 141 /* PropertySignature */ && - contextToken.parent && contextToken.parent.parent && - (contextToken.parent.parent.kind === 218 /* InterfaceDeclaration */ || - contextToken.parent.parent.kind === 156 /* TypeLiteral */); // const x : { a; | - case 25 /* LessThanToken */: - return containingNodeKind === 217 /* ClassDeclaration */ || - containingNodeKind === 189 /* ClassExpression */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 219 /* TypeAliasDeclaration */ || - isFunction(containingNodeKind); - case 113 /* StaticKeyword */: - return containingNodeKind === 142 /* PropertyDeclaration */; - case 22 /* DotDotDotToken */: - return containingNodeKind === 139 /* Parameter */ || - (contextToken.parent && contextToken.parent.parent && - contextToken.parent.parent.kind === 165 /* ArrayBindingPattern */); // var [...z| - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return containingNodeKind === 139 /* Parameter */; - case 116 /* AsKeyword */: - return containingNodeKind === 229 /* ImportSpecifier */ || - containingNodeKind === 233 /* ExportSpecifier */ || - containingNodeKind === 227 /* NamespaceImport */; - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - case 107 /* InterfaceKeyword */: - case 87 /* FunctionKeyword */: - case 102 /* VarKeyword */: - case 123 /* GetKeyword */: - case 129 /* SetKeyword */: - case 89 /* ImportKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - case 114 /* YieldKeyword */: - case 132 /* TypeKeyword */: - return true; - } - // Previous token may have been a keyword that was converted to an identifier. - switch (contextToken.getText()) { - case "abstract": - case "async": - case "class": - case "const": - case "declare": - case "enum": - case "function": - case "interface": - case "let": - case "private": - case "protected": - case "public": - case "static": - case "var": - case "yield": - return true; - } - return false; - } - function isDotOfNumericLiteral(contextToken) { - if (contextToken.kind === 8 /* NumericLiteral */) { - var text = contextToken.getFullText(); - return text.charAt(text.length - 1) === "."; - } - return false; - } - /** - * Filters out completion suggestions for named imports or exports. - * - * @param exportsOfModule The list of symbols which a module exposes. - * @param namedImportsOrExports The list of existing import/export specifiers in the import/export clause. - * - * @returns Symbols to be suggested at an import/export clause, barring those whose named imports/exports - * do not occur at the current position and have not otherwise been typed. - */ - function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { - var exisingImportsOrExports = {}; - for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { - var element = namedImportsOrExports_1[_i]; - // If this is the current item we are editing right now, do not filter it out - if (element.getStart() <= position && position <= element.getEnd()) { - continue; - } - var name_35 = element.propertyName || element.name; - exisingImportsOrExports[name_35.text] = true; - } - if (ts.isEmpty(exisingImportsOrExports)) { - return exportsOfModule; - } - return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); - } - /** - * Filters out completion suggestions for named imports or exports. - * - * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations - * do not occur at the current position and have not otherwise been typed. - */ - function filterObjectMembersList(contextualMemberSymbols, existingMembers) { - if (!existingMembers || existingMembers.length === 0) { - return contextualMemberSymbols; - } - var existingMemberNames = {}; - for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { - var m = existingMembers_1[_i]; - // Ignore omitted expressions for missing members - if (m.kind !== 248 /* PropertyAssignment */ && - m.kind !== 249 /* ShorthandPropertyAssignment */ && - m.kind !== 166 /* BindingElement */ && - m.kind !== 144 /* MethodDeclaration */) { - continue; - } - // If this is the current item we are editing right now, do not filter it out - if (m.getStart() <= position && position <= m.getEnd()) { - continue; - } - var existingName = void 0; - if (m.kind === 166 /* BindingElement */ && m.propertyName) { - // include only identifiers in completion list - if (m.propertyName.kind === 69 /* Identifier */) { - existingName = m.propertyName.text; - } - } - else { - // TODO(jfreeman): Account for computed property name - // NOTE: if one only performs this step when m.name is an identifier, - // things like '__proto__' are not filtered out. - existingName = m.name.text; - } - existingMemberNames[existingName] = true; - } - return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); - } - /** - * Filters out completion suggestions from 'symbols' according to existing JSX attributes. - * - * @returns Symbols to be suggested in a JSX element, barring those whose attributes - * do not occur at the current position and have not otherwise been typed. - */ - function filterJsxAttributes(symbols, attributes) { - var seenNames = {}; - for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { - var attr = attributes_1[_i]; - // If this is the current item we are editing right now, do not filter it out - if (attr.getStart() <= position && position <= attr.getEnd()) { - continue; - } - if (attr.kind === 241 /* JsxAttribute */) { - seenNames[attr.name.text] = true; - } - } - return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); - } - } - function getCompletionsAtPosition(fileName, position) { - synchronizeHostData(); - var completionData = getCompletionData(fileName, position); - if (!completionData) { - return undefined; - } - var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; - if (isJsDocTagName) { - // If the current position is a jsDoc tag name, only tag names should be provided for completion - return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; - } - var sourceFile = getValidSourceFile(fileName); - var entries = []; - if (ts.isSourceFileJavaScript(sourceFile)) { - var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); - ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); - } - else { - if (!symbols || symbols.length === 0) { - if (sourceFile.languageVariant === 1 /* JSX */ && - location.parent && location.parent.kind === 240 /* JsxClosingElement */) { - // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag, - // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element. - // For example: - // var x =
completion list at "1" will contain "div" with type any - var tagName = location.parent.parent.openingElement.tagName; - entries.push({ - name: tagName.text, - kind: undefined, - kindModifiers: undefined, - sortText: "0" - }); - } - else { - return undefined; - } - } - getCompletionEntriesFromSymbols(symbols, entries); - } - // Add keywords if this is not a member completion list - if (!isMemberCompletion && !isJsDocTagName) { - ts.addRange(entries, keywordCompletions); - } - return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; - function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { - var entries = []; - var target = program.getCompilerOptions().target; - var nameTable = getNameTable(sourceFile); - for (var name_36 in nameTable) { - // Skip identifiers produced only from the current location - if (nameTable[name_36] === position) { - continue; - } - if (!uniqueNames[name_36]) { - uniqueNames[name_36] = name_36; - var displayName = getCompletionEntryDisplayName(name_36, target, /*performCharacterChecks*/ true); - if (displayName) { - var entry = { - name: displayName, - kind: ScriptElementKind.warning, - kindModifiers: "", - sortText: "1" - }; - entries.push(entry); - } - } - } - return entries; - } - function getAllJsDocCompletionEntries() { - return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { - return { - name: tagName, - kind: ScriptElementKind.keyword, - kindModifiers: "", - sortText: "0" - }; - })); - } - function createCompletionEntry(symbol, location) { - // Try to get a valid display name for this symbol, if we could not find one, then ignore it. - // We would like to only show things that can be added after a dot, so for instance numeric properties can - // not be accessed with a dot (a.1 <- invalid) - var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, /*performCharacterChecks*/ true, location); - if (!displayName) { - return undefined; - } - // TODO(drosen): Right now we just permit *all* semantic meanings when calling - // 'getSymbolKind' which is permissible given that it is backwards compatible; but - // really we should consider passing the meaning for the node so that we don't report - // that a suggestion for a value is an interface. We COULD also just do what - // 'getSymbolModifiers' does, which is to use the first declaration. - // Use a 'sortText' of 0' so that all symbol completion entries come before any other - // entries (like JavaScript identifier entries). - return { - name: displayName, - kind: getSymbolKind(symbol, location), - kindModifiers: getSymbolModifiers(symbol), - sortText: "0" - }; - } - function getCompletionEntriesFromSymbols(symbols, entries) { - var start = new Date().getTime(); - var uniqueNames = {}; - if (symbols) { - for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { - var symbol = symbols_4[_i]; - var entry = createCompletionEntry(symbol, location); - if (entry) { - var id = ts.escapeIdentifier(entry.name); - if (!ts.lookUp(uniqueNames, id)) { - entries.push(entry); - uniqueNames[id] = id; - } - } - } - } - log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); - return uniqueNames; - } - } - function getCompletionEntryDetails(fileName, position, entryName) { - synchronizeHostData(); - // Compute all the completion symbols again. - var completionData = getCompletionData(fileName, position); - if (completionData) { - var symbols = completionData.symbols, location_2 = completionData.location; - // Find the symbol with the matching entry name. - var target_2 = program.getCompilerOptions().target; - // We don't need to perform character checks here because we're only comparing the - // name against 'entryName' (which is known to be good), not building a new - // completion entry. - var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, /*performCharacterChecks*/ false, location_2) === entryName ? s : undefined; }); - if (symbol) { - var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7 /* All */), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; - return { - name: entryName, - kindModifiers: getSymbolModifiers(symbol), - kind: symbolKind, - displayParts: displayParts, - documentation: documentation - }; - } - } - // Didn't find a symbol with this name. See if we can find a keyword instead. - var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); - if (keywordCompletion) { - return { - name: entryName, - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], - documentation: undefined - }; - } - return undefined; - } - // TODO(drosen): use contextual SemanticMeaning. - function getSymbolKind(symbol, location) { - var flags = symbol.getFlags(); - if (flags & 32 /* Class */) - return ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */) ? - ScriptElementKind.localClassElement : ScriptElementKind.classElement; - if (flags & 384 /* Enum */) - return ScriptElementKind.enumElement; - if (flags & 524288 /* TypeAlias */) - return ScriptElementKind.typeElement; - if (flags & 64 /* Interface */) - return ScriptElementKind.interfaceElement; - if (flags & 262144 /* TypeParameter */) - return ScriptElementKind.typeParameterElement; - var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); - if (result === ScriptElementKind.unknown) { - if (flags & 262144 /* TypeParameter */) - return ScriptElementKind.typeParameterElement; - if (flags & 8 /* EnumMember */) - return ScriptElementKind.variableElement; - if (flags & 8388608 /* Alias */) - return ScriptElementKind.alias; - if (flags & 1536 /* Module */) - return ScriptElementKind.moduleElement; - } - return result; - } - function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { - var typeChecker = program.getTypeChecker(); - if (typeChecker.isUndefinedSymbol(symbol)) { - return ScriptElementKind.variableElement; - } - if (typeChecker.isArgumentsSymbol(symbol)) { - return ScriptElementKind.localVariableElement; - } - if (flags & 3 /* Variable */) { - if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { - return ScriptElementKind.parameterElement; - } - else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { - return ScriptElementKind.constElement; - } - else if (ts.forEach(symbol.declarations, ts.isLet)) { - return ScriptElementKind.letElement; - } - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; - } - if (flags & 16 /* Function */) - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; - if (flags & 32768 /* GetAccessor */) - return ScriptElementKind.memberGetAccessorElement; - if (flags & 65536 /* SetAccessor */) - return ScriptElementKind.memberSetAccessorElement; - if (flags & 8192 /* Method */) - return ScriptElementKind.memberFunctionElement; - if (flags & 16384 /* Constructor */) - return ScriptElementKind.constructorImplementationElement; - if (flags & 4 /* Property */) { - if (flags & 268435456 /* SyntheticProperty */) { - // If union property is result of union of non method (property/accessors/variables), it is labeled as property - var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - var rootSymbolFlags = rootSymbol.getFlags(); - if (rootSymbolFlags & (98308 /* PropertyOrAccessor */ | 3 /* Variable */)) { - return ScriptElementKind.memberVariableElement; - } - ts.Debug.assert(!!(rootSymbolFlags & 8192 /* Method */)); - }); - if (!unionPropertyKind) { - // If this was union of all methods, - // make sure it has call signatures before we can label it as method - var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (typeOfUnionProperty.getCallSignatures().length) { - return ScriptElementKind.memberFunctionElement; - } - return ScriptElementKind.memberVariableElement; - } - return unionPropertyKind; - } - return ScriptElementKind.memberVariableElement; - } - return ScriptElementKind.unknown; - } - function getSymbolModifiers(symbol) { - return symbol && symbol.declarations && symbol.declarations.length > 0 - ? ts.getNodeModifiers(symbol.declarations[0]) - : ScriptElementKindModifier.none; - } - // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location - function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { - if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } - var typeChecker = program.getTypeChecker(); - var displayParts = []; - var documentation; - var symbolFlags = symbol.flags; - var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); - var hasAddedSymbolInfo; - var type; - // Class at constructor site need to be shown as constructor apart from property,method, vars - if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 /* Class */ || symbolFlags & 8388608 /* Alias */) { - // If it is accessor they are allowed only if location is at name of the accessor - if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { - symbolKind = ScriptElementKind.memberVariableElement; - } - var signature = void 0; - type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (type) { - if (location.parent && location.parent.kind === 169 /* PropertyAccessExpression */) { - var right = location.parent.name; - // Either the location is on the right of a property access, or on the left and the right is missing - if (right === location || (right && right.getFullWidth() === 0)) { - location = location.parent; - } - } - // try get the call/construct signature from the type if it matches - var callExpression = void 0; - if (location.kind === 171 /* CallExpression */ || location.kind === 172 /* NewExpression */) { - callExpression = location; - } - else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { - callExpression = location.parent; - } - if (callExpression) { - var candidateSignatures = []; - signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); - if (!signature && candidateSignatures.length) { - // Use the first candidate: - signature = candidateSignatures[0]; - } - var useConstructSignatures = callExpression.kind === 172 /* NewExpression */ || callExpression.expression.kind === 95 /* SuperKeyword */; - var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); - if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { - // Get the first signature if there is one -- allSignatures may contain - // either the original signature or its target, so check for either - signature = allSignatures.length ? allSignatures[0] : undefined; - } - if (signature) { - if (useConstructSignatures && (symbolFlags & 32 /* Class */)) { - // Constructor - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else if (symbolFlags & 8388608 /* Alias */) { - symbolKind = ScriptElementKind.alias; - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - addFullSymbolName(symbol); - } - else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - } - switch (symbolKind) { - case ScriptElementKind.memberVariableElement: - case ScriptElementKind.variableElement: - case ScriptElementKind.constElement: - case ScriptElementKind.letElement: - case ScriptElementKind.parameterElement: - case ScriptElementKind.localVariableElement: - // If it is call or construct signature of lambda's write type name - displayParts.push(ts.punctuationPart(54 /* ColonToken */)); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - if (!(type.flags & 65536 /* Anonymous */)) { - ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); - } - addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); - break; - default: - // Just signature - addSignatureDisplayParts(signature, allSignatures); - } - hasAddedSymbolInfo = true; - } - } - else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304 /* Accessor */)) || - (location.kind === 121 /* ConstructorKeyword */ && location.parent.kind === 145 /* Constructor */)) { - // get the signature from the declaration and write it - var functionDeclaration = location.parent; - var allSignatures = functionDeclaration.kind === 145 /* Constructor */ ? type.getConstructSignatures() : type.getCallSignatures(); - if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { - signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); - } - else { - signature = allSignatures[0]; - } - if (functionDeclaration.kind === 145 /* Constructor */) { - // show (constructor) Type(...) signature - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else { - // (function/method) symbol(..signature) - addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 /* CallSignature */ && - !(type.symbol.flags & 2048 /* TypeLiteral */ || type.symbol.flags & 4096 /* ObjectLiteral */) ? type.symbol : symbol, symbolKind); - } - addSignatureDisplayParts(signature, allSignatures); - hasAddedSymbolInfo = true; - } - } - } - if (symbolFlags & 32 /* Class */ && !hasAddedSymbolInfo) { - if (ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */)) { - // Special case for class expressions because we would like to indicate that - // the class name is local to the class body (similar to function expression) - // (local class) class - pushTypePart(ScriptElementKind.localClassElement); - } - else { - // Class declaration has name which is not local. - displayParts.push(ts.keywordPart(73 /* ClassKeyword */)); - } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if ((symbolFlags & 64 /* Interface */) && (semanticMeaning & 2 /* Type */)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(107 /* InterfaceKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if (symbolFlags & 524288 /* TypeAlias */) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); - } - if (symbolFlags & 384 /* Enum */) { - addNewLineIfDisplayPartsExist(); - if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { - displayParts.push(ts.keywordPart(74 /* ConstKeyword */)); - displayParts.push(ts.spacePart()); - } - displayParts.push(ts.keywordPart(81 /* EnumKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if (symbolFlags & 1536 /* Module */) { - addNewLineIfDisplayPartsExist(); - var declaration = ts.getDeclarationOfKind(symbol, 221 /* ModuleDeclaration */); - var isNamespace = declaration && declaration.name && declaration.name.kind === 69 /* Identifier */; - displayParts.push(ts.keywordPart(isNamespace ? 126 /* NamespaceKeyword */ : 125 /* ModuleKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if ((symbolFlags & 262144 /* TypeParameter */) && (semanticMeaning & 2 /* Type */)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.textPart("type parameter")); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(90 /* InKeyword */)); - displayParts.push(ts.spacePart()); - if (symbol.parent) { - // Class/Interface type parameter - addFullSymbolName(symbol.parent, enclosingDeclaration); - writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); - } - else { - // Method/function type parameter - var declaration = ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */); - ts.Debug.assert(declaration !== undefined); - declaration = declaration.parent; - if (declaration) { - if (ts.isFunctionLikeKind(declaration.kind)) { - var signature = typeChecker.getSignatureFromDeclaration(declaration); - if (declaration.kind === 149 /* ConstructSignature */) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - else if (declaration.kind !== 148 /* CallSignature */ && declaration.name) { - addFullSymbolName(declaration.symbol); - } - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* WriteTypeArgumentsOfSignature */)); - } - else { - // Type alias type parameter - // For example - // type list = T[]; // Both T will go through same code path - displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(declaration.symbol); - writeTypeParametersOfSymbol(declaration.symbol, sourceFile); - } - } - } - } - if (symbolFlags & 8 /* EnumMember */) { - addPrefixForAnyFunctionOrVar(symbol, "enum member"); - var declaration = symbol.declarations[0]; - if (declaration.kind === 250 /* EnumMember */) { - var constantValue = typeChecker.getConstantValue(declaration); - if (constantValue !== undefined) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); - } - } - } - if (symbolFlags & 8388608 /* Alias */) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(89 /* ImportKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 224 /* ImportEqualsDeclaration */) { - var importEqualsDeclaration = declaration; - if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(127 /* RequireKeyword */)); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - else { - var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); - if (internalAliasSymbol) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(internalAliasSymbol, enclosingDeclaration); - } - } - return true; - } - }); - } - if (!hasAddedSymbolInfo) { - if (symbolKind !== ScriptElementKind.unknown) { - if (type) { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - // For properties, variables and local vars: show the type - if (symbolKind === ScriptElementKind.memberVariableElement || - symbolFlags & 3 /* Variable */ || - symbolKind === ScriptElementKind.localVariableElement) { - displayParts.push(ts.punctuationPart(54 /* ColonToken */)); - displayParts.push(ts.spacePart()); - // If the type is type parameter, format it specially - if (type.symbol && type.symbol.flags & 262144 /* TypeParameter */) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - else { - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); - } - } - else if (symbolFlags & 16 /* Function */ || - symbolFlags & 8192 /* Method */ || - symbolFlags & 16384 /* Constructor */ || - symbolFlags & 131072 /* Signature */ || - symbolFlags & 98304 /* Accessor */ || - symbolKind === ScriptElementKind.memberFunctionElement) { - var allSignatures = type.getCallSignatures(); - addSignatureDisplayParts(allSignatures[0], allSignatures); - } - } - } - else { - symbolKind = getSymbolKind(symbol, location); - } - } - if (!documentation) { - documentation = symbol.getDocumentationComment(); - } - return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; - function addNewLineIfDisplayPartsExist() { - if (displayParts.length) { - displayParts.push(ts.lineBreakPart()); - } - } - function addFullSymbolName(symbol, enclosingDeclaration) { - var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */ | 2 /* UseOnlyExternalAliasing */); - ts.addRange(displayParts, fullSymbolDisplayParts); - } - function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { - addNewLineIfDisplayPartsExist(); - if (symbolKind) { - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - } - function pushTypePart(symbolKind) { - switch (symbolKind) { - case ScriptElementKind.variableElement: - case ScriptElementKind.functionElement: - case ScriptElementKind.letElement: - case ScriptElementKind.constElement: - case ScriptElementKind.constructorImplementationElement: - displayParts.push(ts.textOrKeywordPart(symbolKind)); - return; - default: - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.textOrKeywordPart(symbolKind)); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - return; - } - } - function addSignatureDisplayParts(signature, allSignatures, flags) { - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* WriteTypeArgumentsOfSignature */)); - if (allSignatures.length > 1) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.operatorPart(35 /* PlusToken */)); - displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - documentation = signature.getDocumentationComment(); - } - function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - } - function getQuickInfoAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (isLabelName(node)) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol || typeChecker.isUnknownSymbol(symbol)) { - // Try getting just type at this position and show - switch (node.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - case 97 /* ThisKeyword */: - case 162 /* ThisType */: - case 95 /* SuperKeyword */: - // For the identifiers/this/super etc get the type at position - var type = typeChecker.getTypeAtLocation(node); - if (type) { - return { - kind: ScriptElementKind.unknown, - kindModifiers: ScriptElementKindModifier.none, - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), - documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined - }; - } - } - return undefined; - } - var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); - return { - kind: displayPartsDocumentationsAndKind.symbolKind, - kindModifiers: getSymbolModifiers(symbol), - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: displayPartsDocumentationsAndKind.displayParts, - documentation: displayPartsDocumentationsAndKind.documentation - }; - } - function createDefinitionInfo(node, symbolKind, symbolName, containerName) { - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), - kind: symbolKind, - name: symbolName, - containerKind: undefined, - containerName: containerName - }; - } - function getDefinitionFromSymbol(symbol, node) { - var typeChecker = program.getTypeChecker(); - var result = []; - var declarations = symbol.getDeclarations(); - var symbolName = typeChecker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol - var symbolKind = getSymbolKind(symbol, node); - var containerSymbol = symbol.parent; - var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; - if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && - !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { - // Just add all the declarations. - ts.forEach(declarations, function (declaration) { - result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); - }); - } - return result; - function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { - // Applicable only if we are in a new expression, or we are on a constructor declaration - // and in either case the symbol has a construct signature definition, i.e. class - if (isNewExpressionTarget(location) || location.kind === 121 /* ConstructorKeyword */) { - if (symbol.flags & 32 /* Class */) { - // Find the first class-like declaration and try to get the construct signature. - for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.isClassLike(declaration)) { - return tryAddSignature(declaration.members, - /*selectConstructors*/ true, symbolKind, symbolName, containerName, result); - } - } - ts.Debug.fail("Expected declaration to have at least one class-like declaration"); - } - } - return false; - } - function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { - return tryAddSignature(symbol.declarations, /*selectConstructors*/ false, symbolKind, symbolName, containerName, result); - } - return false; - } - function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { - var declarations = []; - var definition; - ts.forEach(signatureDeclarations, function (d) { - if ((selectConstructors && d.kind === 145 /* Constructor */) || - (!selectConstructors && (d.kind === 216 /* FunctionDeclaration */ || d.kind === 144 /* MethodDeclaration */ || d.kind === 143 /* MethodSignature */))) { - declarations.push(d); - if (d.body) - definition = d; - } - }); - if (definition) { - result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); - return true; - } - else if (declarations.length) { - result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); - return true; - } - return false; - } - } - /// Goto definition - function getDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - // Labels - if (isJumpStatementTarget(node)) { - var labelName = node.text; - var label = getTargetLabel(node.parent, node.text); - return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, /*containerName*/ undefined)] : undefined; - } - /// Triple slash reference comments - var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); - if (comment) { - var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); - if (referenceFile) { - return [{ - fileName: referenceFile.fileName, - textSpan: ts.createTextSpanFromBounds(0, 0), - kind: ScriptElementKind.scriptElement, - name: comment.fileName, - containerName: undefined, - containerKind: undefined - }]; - } - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - // Could not find a symbol e.g. node is string or number keyword, - // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol - if (!symbol) { - return undefined; - } - // If this is an alias, and the request came at the declaration location - // get the aliased symbol instead. This allows for goto def on an import e.g. - // import {A, B} from "mod"; - // to jump to the implementation directly. - if (symbol.flags & 8388608 /* Alias */) { - var declaration = symbol.declarations[0]; - if (node.kind === 69 /* Identifier */ && node.parent === declaration) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - } - // Because name in short-hand property assignment has two different meanings: property name and property value, - // using go-to-definition at such position should go to the variable declaration of the property value rather than - // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition - // is performed at the location of property access, we would like to go to definition of the property in the short-hand - // assignment. This case and others are handled by the following code. - if (node.parent.kind === 249 /* ShorthandPropertyAssignment */) { - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); - if (!shorthandSymbol) { - return []; - } - var shorthandDeclarations = shorthandSymbol.getDeclarations(); - var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); - var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); - var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); - return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); - } - return getDefinitionFromSymbol(symbol, node); - } - /// Goto type - function getTypeDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); - if (!type) { - return undefined; - } - if (type.flags & 16384 /* Union */) { - var result_4 = []; - ts.forEach(type.types, function (t) { - if (t.symbol) { - ts.addRange(/*to*/ result_4, /*from*/ getDefinitionFromSymbol(t.symbol, node)); - } - }); - return result_4; - } - if (!type.symbol) { - return undefined; - } - return getDefinitionFromSymbol(type.symbol, node); - } - function getOccurrencesAtPosition(fileName, position) { - var results = getOccurrencesAtPositionCore(fileName, position); - if (results) { - var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); - // Get occurrences only supports reporting occurrences for the file queried. So - // filter down to that list. - results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); - } - return results; - } - function getDocumentHighlights(fileName, position, filesToSearch) { - synchronizeHostData(); - filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); - var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingWord(sourceFile, position); - if (!node) { - return undefined; - } - return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); - function getHighlightSpanForNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - return { - fileName: sourceFile.fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - kind: HighlightSpanKind.none - }; - } - function getSemanticDocumentHighlights(node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 97 /* ThisKeyword */ || - node.kind === 162 /* ThisType */ || - node.kind === 95 /* SuperKeyword */ || - isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, /*findInStrings*/ false, /*findInComments*/ false); - return convertReferencedSymbols(referencedSymbols); - } - return undefined; - function convertReferencedSymbols(referencedSymbols) { - if (!referencedSymbols) { - return undefined; - } - var fileNameToDocumentHighlights = {}; - var result = []; - for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { - var referencedSymbol = referencedSymbols_1[_i]; - for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { - var referenceEntry = _b[_a]; - var fileName_1 = referenceEntry.fileName; - var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); - if (!documentHighlights) { - documentHighlights = { fileName: fileName_1, highlightSpans: [] }; - fileNameToDocumentHighlights[fileName_1] = documentHighlights; - result.push(documentHighlights); - } - documentHighlights.highlightSpans.push({ - textSpan: referenceEntry.textSpan, - kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference - }); - } - } - return result; - } - } - function getSyntacticDocumentHighlights(node) { - var fileName = sourceFile.fileName; - var highlightSpans = getHighlightSpans(node); - if (!highlightSpans || highlightSpans.length === 0) { - return undefined; - } - return [{ fileName: fileName, highlightSpans: highlightSpans }]; - // returns true if 'node' is defined and has a matching 'kind'. - function hasKind(node, kind) { - return node !== undefined && node.kind === kind; - } - // Null-propagating 'parent' function. - function parent(node) { - return node && node.parent; - } - function getHighlightSpans(node) { - if (node) { - switch (node.kind) { - case 88 /* IfKeyword */: - case 80 /* ElseKeyword */: - if (hasKind(node.parent, 199 /* IfStatement */)) { - return getIfElseOccurrences(node.parent); - } - break; - case 94 /* ReturnKeyword */: - if (hasKind(node.parent, 207 /* ReturnStatement */)) { - return getReturnOccurrences(node.parent); - } - break; - case 98 /* ThrowKeyword */: - if (hasKind(node.parent, 211 /* ThrowStatement */)) { - return getThrowOccurrences(node.parent); - } - break; - case 72 /* CatchKeyword */: - if (hasKind(parent(parent(node)), 212 /* TryStatement */)) { - return getTryCatchFinallyOccurrences(node.parent.parent); - } - break; - case 100 /* TryKeyword */: - case 85 /* FinallyKeyword */: - if (hasKind(parent(node), 212 /* TryStatement */)) { - return getTryCatchFinallyOccurrences(node.parent); - } - break; - case 96 /* SwitchKeyword */: - if (hasKind(node.parent, 209 /* SwitchStatement */)) { - return getSwitchCaseDefaultOccurrences(node.parent); - } - break; - case 71 /* CaseKeyword */: - case 77 /* DefaultKeyword */: - if (hasKind(parent(parent(parent(node))), 209 /* SwitchStatement */)) { - return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); - } - break; - case 70 /* BreakKeyword */: - case 75 /* ContinueKeyword */: - if (hasKind(node.parent, 206 /* BreakStatement */) || hasKind(node.parent, 205 /* ContinueStatement */)) { - return getBreakOrContinueStatementOccurrences(node.parent); - } - break; - case 86 /* ForKeyword */: - if (hasKind(node.parent, 202 /* ForStatement */) || - hasKind(node.parent, 203 /* ForInStatement */) || - hasKind(node.parent, 204 /* ForOfStatement */)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 104 /* WhileKeyword */: - case 79 /* DoKeyword */: - if (hasKind(node.parent, 201 /* WhileStatement */) || hasKind(node.parent, 200 /* DoStatement */)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 121 /* ConstructorKeyword */: - if (hasKind(node.parent, 145 /* Constructor */)) { - return getConstructorOccurrences(node.parent); - } - break; - case 123 /* GetKeyword */: - case 129 /* SetKeyword */: - if (hasKind(node.parent, 146 /* GetAccessor */) || hasKind(node.parent, 147 /* SetAccessor */)) { - return getGetAndSetOccurrences(node.parent); - } - break; - default: - if (ts.isModifierKind(node.kind) && node.parent && - (ts.isDeclaration(node.parent) || node.parent.kind === 196 /* VariableStatement */)) { - return getModifierOccurrences(node.kind, node.parent); - } - } - } - return undefined; - } - /** - * Aggregates all throw-statements within this node *without* crossing - * into function boundaries and try-blocks with catch-clauses. - */ - function aggregateOwnedThrowStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 211 /* ThrowStatement */) { - statementAccumulator.push(node); - } - else if (node.kind === 212 /* TryStatement */) { - var tryStatement = node; - if (tryStatement.catchClause) { - aggregate(tryStatement.catchClause); - } - else { - // Exceptions thrown within a try block lacking a catch clause - // are "owned" in the current context. - aggregate(tryStatement.tryBlock); - } - if (tryStatement.finallyBlock) { - aggregate(tryStatement.finallyBlock); - } - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - /** - * For lack of a better name, this function takes a throw statement and returns the - * nearest ancestor that is a try-block (whose try statement has a catch clause), - * function-block, or source file. - */ - function getThrowStatementOwner(throwStatement) { - var child = throwStatement; - while (child.parent) { - var parent_14 = child.parent; - if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251 /* SourceFile */) { - return parent_14; - } - // A throw-statement is only owned by a try-statement if the try-statement has - // a catch clause, and if the throw-statement occurs within the try block. - if (parent_14.kind === 212 /* TryStatement */) { - var tryStatement = parent_14; - if (tryStatement.tryBlock === child && tryStatement.catchClause) { - return child; - } - } - child = parent_14; - } - return undefined; - } - function aggregateAllBreakAndContinueStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 206 /* BreakStatement */ || node.kind === 205 /* ContinueStatement */) { - statementAccumulator.push(node); - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - function ownsBreakOrContinueStatement(owner, statement) { - var actualOwner = getBreakOrContinueOwner(statement); - return actualOwner && actualOwner === owner; - } - function getBreakOrContinueOwner(statement) { - for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { - switch (node_2.kind) { - case 209 /* SwitchStatement */: - if (statement.kind === 205 /* ContinueStatement */) { - continue; - } - // Fall through. - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - case 200 /* DoStatement */: - if (!statement.label || isLabeledBy(node_2, statement.label.text)) { - return node_2; - } - break; - default: - // Don't cross function boundaries. - if (ts.isFunctionLike(node_2)) { - return undefined; - } - break; - } - } - return undefined; - } - function getModifierOccurrences(modifier, declaration) { - var container = declaration.parent; - // Make sure we only highlight the keyword when it makes sense to do so. - if (ts.isAccessibilityModifier(modifier)) { - if (!(container.kind === 217 /* ClassDeclaration */ || - container.kind === 189 /* ClassExpression */ || - (declaration.kind === 139 /* Parameter */ && hasKind(container, 145 /* Constructor */)))) { - return undefined; - } - } - else if (modifier === 113 /* StaticKeyword */) { - if (!(container.kind === 217 /* ClassDeclaration */ || container.kind === 189 /* ClassExpression */)) { - return undefined; - } - } - else if (modifier === 82 /* ExportKeyword */ || modifier === 122 /* DeclareKeyword */) { - if (!(container.kind === 222 /* ModuleBlock */ || container.kind === 251 /* SourceFile */)) { - return undefined; - } - } - else if (modifier === 115 /* AbstractKeyword */) { - if (!(container.kind === 217 /* ClassDeclaration */ || declaration.kind === 217 /* ClassDeclaration */)) { - return undefined; - } - } - else { - // unsupported modifier - return undefined; - } - var keywords = []; - var modifierFlag = getFlagFromModifier(modifier); - var nodes; - switch (container.kind) { - case 222 /* ModuleBlock */: - case 251 /* SourceFile */: - // Container is either a class declaration or the declaration is a classDeclaration - if (modifierFlag & 128 /* Abstract */) { - nodes = declaration.members.concat(declaration); - } - else { - nodes = container.statements; - } - break; - case 145 /* Constructor */: - nodes = container.parameters.concat(container.parent.members); - break; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - nodes = container.members; - // If we're an accessibility modifier, we're in an instance member and should search - // the constructor's parameter list for instance members as well. - if (modifierFlag & 56 /* AccessibilityModifier */) { - var constructor = ts.forEach(container.members, function (member) { - return member.kind === 145 /* Constructor */ && member; - }); - if (constructor) { - nodes = nodes.concat(constructor.parameters); - } - } - else if (modifierFlag & 128 /* Abstract */) { - nodes = nodes.concat(container); - } - break; - default: - ts.Debug.fail("Invalid container kind."); - } - ts.forEach(nodes, function (node) { - if (node.modifiers && node.flags & modifierFlag) { - ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - function getFlagFromModifier(modifier) { - switch (modifier) { - case 112 /* PublicKeyword */: - return 8 /* Public */; - case 110 /* PrivateKeyword */: - return 16 /* Private */; - case 111 /* ProtectedKeyword */: - return 32 /* Protected */; - case 113 /* StaticKeyword */: - return 64 /* Static */; - case 82 /* ExportKeyword */: - return 2 /* Export */; - case 122 /* DeclareKeyword */: - return 4 /* Ambient */; - case 115 /* AbstractKeyword */: - return 128 /* Abstract */; - default: - ts.Debug.fail(); - } - } - } - function pushKeywordIf(keywordList, token) { - var expected = []; - for (var _i = 2; _i < arguments.length; _i++) { - expected[_i - 2] = arguments[_i]; - } - if (token && ts.contains(expected, token.kind)) { - keywordList.push(token); - return true; - } - return false; - } - function getGetAndSetOccurrences(accessorDeclaration) { - var keywords = []; - tryPushAccessorKeyword(accessorDeclaration.symbol, 146 /* GetAccessor */); - tryPushAccessorKeyword(accessorDeclaration.symbol, 147 /* SetAccessor */); - return ts.map(keywords, getHighlightSpanForNode); - function tryPushAccessorKeyword(accessorSymbol, accessorKind) { - var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); - if (accessor) { - ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123 /* GetKeyword */, 129 /* SetKeyword */); }); - } - } - } - function getConstructorOccurrences(constructorDeclaration) { - var declarations = constructorDeclaration.symbol.getDeclarations(); - var keywords = []; - ts.forEach(declarations, function (declaration) { - ts.forEach(declaration.getChildren(), function (token) { - return pushKeywordIf(keywords, token, 121 /* ConstructorKeyword */); - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getLoopBreakContinueOccurrences(loopNode) { - var keywords = []; - if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86 /* ForKeyword */, 104 /* WhileKeyword */, 79 /* DoKeyword */)) { - // If we succeeded and got a do-while loop, then start looking for a 'while' keyword. - if (loopNode.kind === 200 /* DoStatement */) { - var loopTokens = loopNode.getChildren(); - for (var i = loopTokens.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, loopTokens[i], 104 /* WhileKeyword */)) { - break; - } - } - } - } - var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(loopNode, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */, 75 /* ContinueKeyword */); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { - var owner = getBreakOrContinueOwner(breakOrContinueStatement); - if (owner) { - switch (owner.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - return getLoopBreakContinueOccurrences(owner); - case 209 /* SwitchStatement */: - return getSwitchCaseDefaultOccurrences(owner); - } - } - return undefined; - } - function getSwitchCaseDefaultOccurrences(switchStatement) { - var keywords = []; - pushKeywordIf(keywords, switchStatement.getFirstToken(), 96 /* SwitchKeyword */); - // Go through each clause in the switch statement, collecting the 'case'/'default' keywords. - ts.forEach(switchStatement.caseBlock.clauses, function (clause) { - pushKeywordIf(keywords, clause.getFirstToken(), 71 /* CaseKeyword */, 77 /* DefaultKeyword */); - var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(switchStatement, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */); - } - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getTryCatchFinallyOccurrences(tryStatement) { - var keywords = []; - pushKeywordIf(keywords, tryStatement.getFirstToken(), 100 /* TryKeyword */); - if (tryStatement.catchClause) { - pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72 /* CatchKeyword */); - } - if (tryStatement.finallyBlock) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); - pushKeywordIf(keywords, finallyKeyword, 85 /* FinallyKeyword */); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getThrowOccurrences(throwStatement) { - var owner = getThrowStatementOwner(throwStatement); - if (!owner) { - return undefined; - } - var keywords = []; - ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); - }); - // If the "owner" is a function, then we equate 'return' and 'throw' statements in their - // ability to "jump out" of the function, and include occurrences for both. - if (ts.isFunctionBlock(owner)) { - ts.forEachReturnStatement(owner, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); - }); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getReturnOccurrences(returnStatement) { - var func = ts.getContainingFunction(returnStatement); - // If we didn't find a containing function with a block body, bail out. - if (!(func && hasKind(func.body, 195 /* Block */))) { - return undefined; - } - var keywords = []; - ts.forEachReturnStatement(func.body, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); - }); - // Include 'throw' statements that do not occur within a try block. - ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getIfElseOccurrences(ifStatement) { - var keywords = []; - // Traverse upwards through all parent if-statements linked by their else-branches. - while (hasKind(ifStatement.parent, 199 /* IfStatement */) && ifStatement.parent.elseStatement === ifStatement) { - ifStatement = ifStatement.parent; - } - // Now traverse back down through the else branches, aggregating if/else keywords of if-statements. - while (ifStatement) { - var children = ifStatement.getChildren(); - pushKeywordIf(keywords, children[0], 88 /* IfKeyword */); - // Generally the 'else' keyword is second-to-last, so we traverse backwards. - for (var i = children.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, children[i], 80 /* ElseKeyword */)) { - break; - } - } - if (!hasKind(ifStatement.elseStatement, 199 /* IfStatement */)) { - break; - } - ifStatement = ifStatement.elseStatement; - } - var result = []; - // We'd like to highlight else/ifs together if they are only separated by whitespace - // (i.e. the keywords are separated by no comments, no newlines). - for (var i = 0; i < keywords.length; i++) { - if (keywords[i].kind === 80 /* ElseKeyword */ && i < keywords.length - 1) { - var elseKeyword = keywords[i]; - var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword. - var shouldCombindElseAndIf = true; - // Avoid recalculating getStart() by iterating backwards. - for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { - if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { - shouldCombindElseAndIf = false; - break; - } - } - if (shouldCombindElseAndIf) { - result.push({ - fileName: fileName, - textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), - kind: HighlightSpanKind.reference - }); - i++; // skip the next keyword - continue; - } - } - // Ordinary case: just highlight the keyword. - result.push(getHighlightSpanForNode(keywords[i])); - } - return result; - } - } - } - /// References and Occurrences - function getOccurrencesAtPositionCore(fileName, position) { - synchronizeHostData(); - return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); - function convertDocumentHighlights(documentHighlights) { - if (!documentHighlights) { - return undefined; - } - var result = []; - for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { - var entry = documentHighlights_1[_i]; - for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { - var highlightSpan = _b[_a]; - result.push({ - fileName: entry.fileName, - textSpan: highlightSpan.textSpan, - isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference - }); - } - } - return result; - } - } - function convertReferences(referenceSymbols) { - if (!referenceSymbols) { - return undefined; - } - var referenceEntries = []; - for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { - var referenceSymbol = referenceSymbols_1[_i]; - ts.addRange(referenceEntries, referenceSymbol.references); - } - return referenceEntries; - } - function findRenameLocations(fileName, position, findInStrings, findInComments) { - var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); - return convertReferences(referencedSymbols); - } - function getReferencesAtPosition(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); - return convertReferences(referencedSymbols); - } - function findReferences(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); - // Only include referenced symbols that have a valid definition. - return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); - } - function findReferencedSymbols(fileName, position, findInStrings, findInComments) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (node.kind !== 69 /* Identifier */ && - // TODO (drosen): This should be enabled in a later release - currently breaks rename. - // node.kind !== SyntaxKind.ThisKeyword && - // node.kind !== SyntaxKind.SuperKeyword && - !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && - !isNameOfExternalModuleImportOrDeclaration(node)) { - return undefined; - } - ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 8 /* NumericLiteral */ || node.kind === 9 /* StringLiteral */); - return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); - } - function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { - var typeChecker = program.getTypeChecker(); - // Labels - if (isLabelName(node)) { - if (isJumpStatementTarget(node)) { - var labelDefinition = getTargetLabel(node.parent, node.text); - // if we have a label definition, look within its statement for references, if not, then - // the label is undefined and we have no results.. - return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; - } - else { - // it is a label definition and not a target, search within the parent labeledStatement - return getLabelReferencesInNode(node.parent, node); - } - } - if (node.kind === 97 /* ThisKeyword */ || node.kind === 162 /* ThisType */) { - return getReferencesForThisKeyword(node, sourceFiles); - } - if (node.kind === 95 /* SuperKeyword */) { - return getReferencesForSuperKeyword(node); - } - var symbol = typeChecker.getSymbolAtLocation(node); - // Could not find a symbol e.g. unknown identifier - if (!symbol) { - // Can't have references to something that we have no symbol for. - return undefined; - } - var declarations = symbol.declarations; - // The symbol was an internal symbol and does not have a declaration e.g. undefined symbol - if (!declarations || !declarations.length) { - return undefined; - } - var result; - // Compute the meaning from the location and the symbol it references - var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); - // Get the text to search for. - // Note: if this is an external module symbol, the name doesn't include quotes. - var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - // Try to get the smallest valid scope that we can limit our search to; - // otherwise we'll need to search globally (i.e. include each file). - var scope = getSymbolScope(symbol); - // Maps from a symbol ID to the ReferencedSymbol entry in 'result'. - var symbolToIndex = []; - if (scope) { - result = []; - getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - else { - var internedName = getInternedName(symbol, node, declarations); - for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { - var sourceFile = sourceFiles_3[_i]; - cancellationToken.throwIfCancellationRequested(); - var nameTable = getNameTable(sourceFile); - if (ts.lookUp(nameTable, internedName) !== undefined) { - result = result || []; - getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - } - } - return result; - function getDefinition(symbol) { - var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); - var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); - var declarations = symbol.declarations; - if (!declarations || declarations.length === 0) { - return undefined; - } - return { - containerKind: "", - containerName: "", - name: name, - kind: info.symbolKind, - fileName: declarations[0].getSourceFile().fileName, - textSpan: ts.createTextSpan(declarations[0].getStart(), 0) - }; - } - function isImportSpecifierSymbol(symbol) { - return (symbol.flags & 8388608 /* Alias */) && !!ts.getDeclarationOfKind(symbol, 229 /* ImportSpecifier */); - } - function getInternedName(symbol, location, declarations) { - // If this is an export or import specifier it could have been renamed using the 'as' syntax. - // If so we want to search for whatever under the cursor. - if (ts.isImportOrExportSpecifierName(location)) { - return location.getText(); - } - // Try to get the local symbol if we're dealing with an 'export default' - // since that symbol has the "true" name. - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - symbol = localExportDefaultSymbol || symbol; - return ts.stripQuotes(symbol.name); - } - /** - * Determines the smallest scope in which a symbol may have named references. - * Note that not every construct has been accounted for. This function can - * probably be improved. - * - * @returns undefined if the scope cannot be determined, implying that - * a reference to a symbol can occur anywhere. - */ - function getSymbolScope(symbol) { - // If this is the symbol of a named function expression or named class expression, - // then named references are limited to its own scope. - var valueDeclaration = symbol.valueDeclaration; - if (valueDeclaration && (valueDeclaration.kind === 176 /* FunctionExpression */ || valueDeclaration.kind === 189 /* ClassExpression */)) { - return valueDeclaration; - } - // If this is private property or method, the scope is the containing class - if (symbol.flags & (4 /* Property */ | 8192 /* Method */)) { - var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16 /* Private */) ? d : undefined; }); - if (privateDeclaration) { - return ts.getAncestor(privateDeclaration, 217 /* ClassDeclaration */); - } - } - // If the symbol is an import we would like to find it if we are looking for what it imports. - // So consider it visibile outside its declaration scope. - if (symbol.flags & 8388608 /* Alias */) { - return undefined; - } - // if this symbol is visible from its parent container, e.g. exported, then bail out - // if symbol correspond to the union property - bail out - if (symbol.parent || (symbol.flags & 268435456 /* SyntheticProperty */)) { - return undefined; - } - var scope; - var declarations = symbol.getDeclarations(); - if (declarations) { - for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { - var declaration = declarations_8[_i]; - var container = getContainerNode(declaration); - if (!container) { - return undefined; - } - if (scope && scope !== container) { - // Different declarations have different containers, bail out - return undefined; - } - if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { - // This is a global variable and not an external module, any declaration defined - // within this scope is visible outside the file - return undefined; - } - // The search scope is the container node - scope = container; - } - } - return scope; - } - function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { - var positions = []; - /// TODO: Cache symbol existence for files to save text search - // Also, need to make this work for unicode escapes. - // Be resilient in the face of a symbol with no name or zero length name - if (!symbolName || !symbolName.length) { - return positions; - } - var text = sourceFile.text; - var sourceLength = text.length; - var symbolNameLength = symbolName.length; - var position = text.indexOf(symbolName, start); - while (position >= 0) { - cancellationToken.throwIfCancellationRequested(); - // If we are past the end, stop looking - if (position > end) - break; - // We found a match. Make sure it's not part of a larger word (i.e. the char - // before and after it have to be a non-identifier char). - var endPosition = position + symbolNameLength; - if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2 /* Latest */)) && - (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2 /* Latest */))) { - // Found a real match. Keep searching. - positions.push(position); - } - position = text.indexOf(symbolName, position + symbolNameLength + 1); - } - return positions; - } - function getLabelReferencesInNode(container, targetLabel) { - var references = []; - var sourceFile = container.getSourceFile(); - var labelName = targetLabel.text; - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.getWidth() !== labelName.length) { - return; - } - // Only pick labels that are either the target label, or have a target that is the target label - if (node === targetLabel || - (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = { - containerKind: "", - containerName: "", - fileName: targetLabel.getSourceFile().fileName, - kind: ScriptElementKind.label, - name: labelName, - textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) - }; - return [{ definition: definition, references: references }]; - } - function isValidReferencePosition(node, searchSymbolName) { - if (node) { - // Compare the length so we filter out strict superstrings of the symbol we are looking for - switch (node.kind) { - case 69 /* Identifier */: - return node.getWidth() === searchSymbolName.length; - case 9 /* StringLiteral */: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - // For string literals we have two additional chars for the quotes - return node.getWidth() === searchSymbolName.length + 2; - } - break; - case 8 /* NumericLiteral */: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - return node.getWidth() === searchSymbolName.length; - } - break; - } - } - return false; - } - /** Search within node "container" for references for a search value, where the search value is defined as a - * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning). - * searchLocation: a node where the search value - */ - function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { - var sourceFile = container.getSourceFile(); - var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { - var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); - referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); - } - } - }); - } - return; - function getReferencedSymbol(symbol) { - var symbolId = ts.getSymbolId(symbol); - var index = symbolToIndex[symbolId]; - if (index === undefined) { - index = result.length; - symbolToIndex[symbolId] = index; - result.push({ - definition: getDefinition(symbol), - references: [] - }); - } - return result[index]; - } - function isInNonReferenceComment(sourceFile, position) { - return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); - function isNonReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return !tripleSlashDirectivePrefixRegex.test(commentText); - } - } - } - function getReferencesForSuperKeyword(superKeyword) { - var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false); - if (!searchSpaceNode) { - return undefined; - } - // Whether 'super' occurs in a static context within a class. - var staticFlag = 64 /* Static */; - switch (searchSpaceNode.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class - break; - default: - return undefined; - } - var references = []; - var sourceFile = searchSpaceNode.getSourceFile(); - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.kind !== 95 /* SuperKeyword */) { - return; - } - var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false); - // If we have a 'super' container, we must have an enclosing class. - // Now make sure the owning class is the same as the search-space - // and has the same static qualifier as the original 'super's owner. - if (container && (64 /* Static */ & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = getDefinition(searchSpaceNode.symbol); - return [{ definition: definition, references: references }]; - } - function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { - var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false); - // Whether 'this' occurs in a static context within a class. - var staticFlag = 64 /* Static */; - switch (searchSpaceNode.kind) { - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (ts.isObjectLiteralMethod(searchSpaceNode)) { - break; - } - // fall through - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class - break; - case 251 /* SourceFile */: - if (ts.isExternalModule(searchSpaceNode)) { - return undefined; - } - // Fall through - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - break; - // Computed properties in classes are not handled here because references to this are illegal, - // so there is no point finding references to them. - default: - return undefined; - } - var references = []; - var possiblePositions; - if (searchSpaceNode.kind === 251 /* SourceFile */) { - ts.forEach(sourceFiles, function (sourceFile) { - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); - getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); - }); - } - else { - var sourceFile = searchSpaceNode.getSourceFile(); - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); - } - return [{ - definition: { - containerKind: "", - containerName: "", - fileName: node.getSourceFile().fileName, - kind: ScriptElementKind.variableElement, - name: "this", - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) - }, - references: references - }]; - function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || (node.kind !== 97 /* ThisKeyword */ && node.kind !== 162 /* ThisType */)) { - return; - } - var container = ts.getThisContainer(node, /* includeArrowFunctions */ false); - switch (searchSpaceNode.kind) { - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - if (searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - // Make sure the container belongs to the same class - // and has the appropriate static modifier from the original container. - if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64 /* Static */) === staticFlag) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 251 /* SourceFile */: - if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { - result.push(getReferenceEntryFromNode(node)); - } - break; - } - }); - } - } - function populateSearchSymbolSet(symbol, location) { - // The search set contains at least the current symbol - var result = [symbol]; - // If the symbol is an alias, add what it alaises to the list - if (isImportSpecifierSymbol(symbol)) { - result.push(typeChecker.getAliasedSymbol(symbol)); - } - // For export specifiers, the exported name can be refering to a local symbol, e.g.: - // import {a} from "mod"; - // export {a as somethingElse} - // We want the *local* declaration of 'a' as declared in the import, - // *not* as declared within "mod" (or farther) - if (location.parent.kind === 233 /* ExportSpecifier */) { - result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); - } - // If the location is in a context sensitive location (i.e. in an object literal) try - // to get a contextual type for it, and add the property symbol from the contextual - // type to the search set - if (isNameOfPropertyAssignment(location)) { - ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { - ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); - }); - /* Because in short-hand property assignment, location has two meaning : property name and as value of the property - * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of - * property name and variable declaration of the identifier. - * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service - * should show both 'name' in 'obj' and 'name' in variable declaration - * const name = "Foo"; - * const obj = { name }; - * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment - * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration - * will be included correctly. - */ - var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); - if (shorthandValueSymbol) { - result.push(shorthandValueSymbol); - } - } - // If the symbol.valueDeclaration is a property parameter declaration, - // we should include both parameter declaration symbol and property declaration symbol - // Parameter Declaration symbol is only visible within function scope, so the symbol is stored in contructor.locals. - // Property Declaration symbol is a member of the class, so the symbol is stored in its class Declaration.symbol.members - if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 /* Parameter */ && - ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { - result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); - } - // If this is a union property, add all the symbols from all its source symbols in all unioned types. - // If the symbol is an instantiation from a another symbol (e.g. widened symbol) , add the root the list - ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - if (rootSymbol !== symbol) { - result.push(rootSymbol); - } - // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions - if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, /*previousIterationSymbolsCache*/ {}); - } - }); - return result; - } - /** - * Find symbol of the given property-name and add the symbol to the given result array - * @param symbol a symbol to start searching for the given propertyName - * @param propertyName a name of property to serach for - * @param result an array of symbol of found property symbols - * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisitng of the same symbol. - * The value of previousIterationSymbol is undefined when the function is first called. - */ - function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { - if (!symbol) { - return; - } - // If the current symbol is the same as the previous-iteration symbol, we can just return the symbol that has already been visited - // This is particularly important for the following cases, so that we do not infinitely visit the same symbol. - // For example: - // interface C extends C { - // /*findRef*/propName: string; - // } - // The first time getPropertySymbolsFromBaseTypes is called when finding-all-references at propName, - // the symbol argument will be the symbol of an interface "C" and previousIterationSymbol is undefined, - // the function will add any found symbol of the property-name, then its sub-routine will call - // getPropertySymbolsFromBaseTypes again to walk up any base types to prevent revisiting already - // visited symbol, interface "C", the sub-routine will pass the current symbol as previousIterationSymbol. - if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { - return; - } - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - ts.forEach(symbol.getDeclarations(), function (declaration) { - if (declaration.kind === 217 /* ClassDeclaration */) { - getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); - ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); - } - else if (declaration.kind === 218 /* InterfaceDeclaration */) { - ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); - } - }); - } - return; - function getPropertySymbolFromTypeReference(typeReference) { - if (typeReference) { - var type = typeChecker.getTypeAtLocation(typeReference); - if (type) { - var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); - if (propertySymbol) { - result.push(propertySymbol); - } - // Visit the typeReference as well to see if it directly or indirectly use that property - previousIterationSymbolsCache[symbol.name] = symbol; - getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); - } - } - } - } - function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { - if (searchSymbols.indexOf(referenceSymbol) >= 0) { - return referenceSymbol; - } - // If the reference symbol is an alias, check if what it is aliasing is one of the search - // symbols. - if (isImportSpecifierSymbol(referenceSymbol)) { - var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - // For export specifiers, it can be a local symbol, e.g. - // import {a} from "mod"; - // export {a as somethingElse} - // We want the local target of the export (i.e. the import symbol) and not the final target (i.e. "mod".a) - if (referenceLocation.parent.kind === 233 /* ExportSpecifier */) { - var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - // If the reference location is in an object literal, try to get the contextual type for the - // object literal, lookup the property symbol in the contextual type, and use this symbol to - // compare to our searchSymbol - if (isNameOfPropertyAssignment(referenceLocation)) { - return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { - return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - }); - } - // Unwrap symbols to get to the root (e.g. transient symbols as a result of widening) - // Or a union property, use its underlying unioned symbols - return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { - // if it is in the list, then we are done - if (searchSymbols.indexOf(rootSymbol) >= 0) { - return rootSymbol; - } - // Finally, try all properties with the same name in any type the containing type extended or implemented, and - // see if any is in the list - if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { - var result_5 = []; - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, /*previousIterationSymbolsCache*/ {}); - return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - } - return undefined; - }); - } - function getPropertySymbolsFromContextualType(node) { - if (isNameOfPropertyAssignment(node)) { - var objectLiteral = node.parent.parent; - var contextualType = typeChecker.getContextualType(objectLiteral); - var name_37 = node.text; - if (contextualType) { - if (contextualType.flags & 16384 /* Union */) { - // This is a union type, first see if the property we are looking for is a union property (i.e. exists in all types) - // if not, search the constituent types for the property - var unionProperty = contextualType.getProperty(name_37); - if (unionProperty) { - return [unionProperty]; - } - else { - var result_6 = []; - ts.forEach(contextualType.types, function (t) { - var symbol = t.getProperty(name_37); - if (symbol) { - result_6.push(symbol); - } - }); - return result_6; - } - } - else { - var symbol_1 = contextualType.getProperty(name_37); - if (symbol_1) { - return [symbol_1]; - } - } - } - } - return undefined; - } - /** Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations - * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class - * then we need to widen the search to include type positions as well. - * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated - * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module) - * do not intersect in any of the three spaces. - */ - function getIntersectingMeaningFromDeclarations(meaning, declarations) { - if (declarations) { - var lastIterationMeaning = void 0; - do { - // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module] - // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module - // intersects with the class in the value space. - // To achieve that we will keep iterating until the result stabilizes. - // Remember the last meaning - lastIterationMeaning = meaning; - for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { - var declaration = declarations_9[_i]; - var declarationMeaning = getMeaningFromDeclaration(declaration); - if (declarationMeaning & meaning) { - meaning |= declarationMeaning; - } - } - } while (meaning !== lastIterationMeaning); - } - return meaning; - } - } - function getReferenceEntryFromNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - if (node.kind === 9 /* StringLiteral */) { - start += 1; - end -= 1; - } - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - isWriteAccess: isWriteAccess(node) - }; - } - /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */ - function isWriteAccess(node) { - if (node.kind === 69 /* Identifier */ && ts.isDeclarationName(node)) { - return true; - } - var parent = node.parent; - if (parent) { - if (parent.kind === 183 /* PostfixUnaryExpression */ || parent.kind === 182 /* PrefixUnaryExpression */) { - return true; - } - else if (parent.kind === 184 /* BinaryExpression */ && parent.left === node) { - var operator = parent.operatorToken.kind; - return 56 /* FirstAssignment */ <= operator && operator <= 68 /* LastAssignment */; - } - } - return false; - } - /// NavigateTo - function getNavigateToItems(searchValue, maxResultCount) { - synchronizeHostData(); - return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); - } - function getEmitOutput(fileName) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var outputFiles = []; - function writeFile(fileName, data, writeByteOrderMark) { - outputFiles.push({ - name: fileName, - writeByteOrderMark: writeByteOrderMark, - text: data - }); - } - var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); - return { - outputFiles: outputFiles, - emitSkipped: emitOutput.emitSkipped - }; - } - function getMeaningFromDeclaration(node) { - switch (node.kind) { - case 139 /* Parameter */: - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 249 /* ShorthandPropertyAssignment */: - case 250 /* EnumMember */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 247 /* CatchClause */: - return 1 /* Value */; - case 138 /* TypeParameter */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 156 /* TypeLiteral */: - return 2 /* Type */; - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - return 1 /* Value */ | 2 /* Type */; - case 221 /* ModuleDeclaration */: - if (ts.isAmbientModule(node)) { - return 4 /* Namespace */ | 1 /* Value */; - } - else if (ts.getModuleInstanceState(node) === 1 /* Instantiated */) { - return 4 /* Namespace */ | 1 /* Value */; - } - else { - return 4 /* Namespace */; - } - case 228 /* NamedImports */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 225 /* ImportDeclaration */: - case 230 /* ExportAssignment */: - case 231 /* ExportDeclaration */: - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - // An external module can be a Value - case 251 /* SourceFile */: - return 4 /* Namespace */ | 1 /* Value */; - } - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - function isTypeReference(node) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { - node = node.parent; - } - return node.parent.kind === 152 /* TypeReference */ || - (node.parent.kind === 191 /* ExpressionWithTypeArguments */ && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || - (node.kind === 97 /* ThisKeyword */ && !ts.isExpression(node)) || - node.kind === 162 /* ThisType */; - } - function isNamespaceReference(node) { - return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); - } - function isPropertyAccessNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 169 /* PropertyAccessExpression */) { - while (root.parent && root.parent.kind === 169 /* PropertyAccessExpression */) { - root = root.parent; - } - isLastClause = root.name === node; - } - if (!isLastClause && root.parent.kind === 191 /* ExpressionWithTypeArguments */ && root.parent.parent.kind === 246 /* HeritageClause */) { - var decl = root.parent.parent.parent; - return (decl.kind === 217 /* ClassDeclaration */ && root.parent.parent.token === 106 /* ImplementsKeyword */) || - (decl.kind === 218 /* InterfaceDeclaration */ && root.parent.parent.token === 83 /* ExtendsKeyword */); - } - return false; - } - function isQualifiedNameNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 136 /* QualifiedName */) { - while (root.parent && root.parent.kind === 136 /* QualifiedName */) { - root = root.parent; - } - isLastClause = root.right === node; - } - return root.parent.kind === 152 /* TypeReference */ && !isLastClause; - } - function isInRightSideOfImport(node) { - while (node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; - } - function getMeaningFromRightHandSideOfImportEquals(node) { - ts.Debug.assert(node.kind === 69 /* Identifier */); - // import a = |b|; // Namespace - // import a = |b.c|; // Value, type, namespace - // import a = |b.c|.d; // Namespace - if (node.parent.kind === 136 /* QualifiedName */ && - node.parent.right === node && - node.parent.parent.kind === 224 /* ImportEqualsDeclaration */) { - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - return 4 /* Namespace */; - } - function getMeaningFromLocation(node) { - if (node.parent.kind === 230 /* ExportAssignment */) { - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - else if (isInRightSideOfImport(node)) { - return getMeaningFromRightHandSideOfImportEquals(node); - } - else if (ts.isDeclarationName(node)) { - return getMeaningFromDeclaration(node.parent); - } - else if (isTypeReference(node)) { - return 2 /* Type */; - } - else if (isNamespaceReference(node)) { - return 4 /* Namespace */; - } - else { - return 1 /* Value */; - } - } - // Signature help - /** - * This is a semantic operation. - */ - function getSignatureHelpItems(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); - } - /// Syntactic features - function getSourceFile(fileName) { - return syntaxTreeCache.getCurrentSourceFile(fileName); - } - function getNameOrDottedNameSpan(fileName, startPos, endPos) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - // Get node at the location - var node = ts.getTouchingPropertyName(sourceFile, startPos); - if (!node) { - return; - } - switch (node.kind) { - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - case 9 /* StringLiteral */: - case 163 /* StringLiteralType */: - case 84 /* FalseKeyword */: - case 99 /* TrueKeyword */: - case 93 /* NullKeyword */: - case 95 /* SuperKeyword */: - case 97 /* ThisKeyword */: - case 162 /* ThisType */: - case 69 /* Identifier */: - break; - // Cant create the text span - default: - return; - } - var nodeForStartPos = node; - while (true) { - if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { - // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node - nodeForStartPos = nodeForStartPos.parent; - } - else if (isNameOfModuleDeclaration(nodeForStartPos)) { - // If this is name of a module declarations, check if this is right side of dotted module name - // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of - // Then this name is name from dotted module - if (nodeForStartPos.parent.parent.kind === 221 /* ModuleDeclaration */ && - nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { - // Use parent module declarations name for start pos - nodeForStartPos = nodeForStartPos.parent.parent.name; - } - else { - // We have to use this name for start pos - break; - } - } - else { - // Is not a member expression so we have found the node for start pos - break; - } - } - return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); - } - function getBreakpointStatementAtPosition(fileName, position) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); - } - function getNavigationBarItems(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); - } - function getSemanticClassifications(fileName, span) { - return convertClassifications(getEncodedSemanticClassifications(fileName, span)); - } - function checkForClassificationCancellation(kind) { - // We don't want to actually call back into our host on every node to find out if we've - // been canceled. That would be an enormous amount of chattyness, along with the all - // the overhead of marshalling the data to/from the host. So instead we pick a few - // reasonable node kinds to bother checking on. These node kinds represent high level - // constructs that we would expect to see commonly, but just at a far less frequent - // interval. - // - // For example, in checker.ts (around 750k) we only have around 600 of these constructs. - // That means we're calling back into the host around every 1.2k of the file we process. - // Lib.d.ts has similar numbers. - switch (kind) { - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - cancellationToken.throwIfCancellationRequested(); - } - } - function getEncodedSemanticClassifications(fileName, span) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var result = []; - var classifiableNames = program.getClassifiableNames(); - processNode(sourceFile); - return { spans: result, endOfLineState: 0 /* None */ }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifySymbol(symbol, meaningAtPosition) { - var flags = symbol.getFlags(); - if ((flags & 788448 /* Classifiable */) === 0 /* None */) { - return; - } - if (flags & 32 /* Class */) { - return 11 /* className */; - } - else if (flags & 384 /* Enum */) { - return 12 /* enumName */; - } - else if (flags & 524288 /* TypeAlias */) { - return 16 /* typeAliasName */; - } - else if (meaningAtPosition & 2 /* Type */) { - if (flags & 64 /* Interface */) { - return 13 /* interfaceName */; - } - else if (flags & 262144 /* TypeParameter */) { - return 15 /* typeParameterName */; - } - } - else if (flags & 1536 /* Module */) { - // Only classify a module as such if - // - It appears in a namespace context. - // - There exists a module declaration which actually impacts the value side. - if (meaningAtPosition & 4 /* Namespace */ || - (meaningAtPosition & 1 /* Value */ && hasValueSideModule(symbol))) { - return 14 /* moduleName */; - } - } - return undefined; - /** - * Returns true if there exists a module that introduces entities on the value side. - */ - function hasValueSideModule(symbol) { - return ts.forEach(symbol.declarations, function (declaration) { - return declaration.kind === 221 /* ModuleDeclaration */ && - ts.getModuleInstanceState(declaration) === 1 /* Instantiated */; - }); - } - } - function processNode(node) { - // Only walk into nodes that intersect the requested span. - if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { - var kind = node.kind; - checkForClassificationCancellation(kind); - if (kind === 69 /* Identifier */ && !ts.nodeIsMissing(node)) { - var identifier = node; - // Only bother calling into the typechecker if this is an identifier that - // could possibly resolve to a type name. This makes classification run - // in a third of the time it would normally take. - if (classifiableNames[identifier.text]) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var type = classifySymbol(symbol, getMeaningFromLocation(node)); - if (type) { - pushClassification(node.getStart(), node.getWidth(), type); - } - } - } - } - ts.forEachChild(node, processNode); - } - } - } - function getClassificationTypeName(type) { - switch (type) { - case 1 /* comment */: return ClassificationTypeNames.comment; - case 2 /* identifier */: return ClassificationTypeNames.identifier; - case 3 /* keyword */: return ClassificationTypeNames.keyword; - case 4 /* numericLiteral */: return ClassificationTypeNames.numericLiteral; - case 5 /* operator */: return ClassificationTypeNames.operator; - case 6 /* stringLiteral */: return ClassificationTypeNames.stringLiteral; - case 8 /* whiteSpace */: return ClassificationTypeNames.whiteSpace; - case 9 /* text */: return ClassificationTypeNames.text; - case 10 /* punctuation */: return ClassificationTypeNames.punctuation; - case 11 /* className */: return ClassificationTypeNames.className; - case 12 /* enumName */: return ClassificationTypeNames.enumName; - case 13 /* interfaceName */: return ClassificationTypeNames.interfaceName; - case 14 /* moduleName */: return ClassificationTypeNames.moduleName; - case 15 /* typeParameterName */: return ClassificationTypeNames.typeParameterName; - case 16 /* typeAliasName */: return ClassificationTypeNames.typeAliasName; - case 17 /* parameterName */: return ClassificationTypeNames.parameterName; - case 18 /* docCommentTagName */: return ClassificationTypeNames.docCommentTagName; - case 19 /* jsxOpenTagName */: return ClassificationTypeNames.jsxOpenTagName; - case 20 /* jsxCloseTagName */: return ClassificationTypeNames.jsxCloseTagName; - case 21 /* jsxSelfClosingTagName */: return ClassificationTypeNames.jsxSelfClosingTagName; - case 22 /* jsxAttribute */: return ClassificationTypeNames.jsxAttribute; - case 23 /* jsxText */: return ClassificationTypeNames.jsxText; - case 24 /* jsxAttributeStringLiteralValue */: return ClassificationTypeNames.jsxAttributeStringLiteralValue; - } - } - function convertClassifications(classifications) { - ts.Debug.assert(classifications.spans.length % 3 === 0); - var dense = classifications.spans; - var result = []; - for (var i = 0, n = dense.length; i < n; i += 3) { - result.push({ - textSpan: ts.createTextSpan(dense[i], dense[i + 1]), - classificationType: getClassificationTypeName(dense[i + 2]) - }); - } - return result; - } - function getSyntacticClassifications(fileName, span) { - return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); - } - function getEncodedSyntacticClassifications(fileName, span) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var spanStart = span.start; - var spanLength = span.length; - // Make a scanner we can get trivia from. - var triviaScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); - var mergeConflictScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); - var result = []; - processElement(sourceFile); - return { spans: result, endOfLineState: 0 /* None */ }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifyLeadingTriviaAndGetTokenStart(token) { - triviaScanner.setTextPos(token.pos); - while (true) { - var start = triviaScanner.getTextPos(); - // only bother scanning if we have something that could be trivia. - if (!ts.couldStartTrivia(sourceFile.text, start)) { - return start; - } - var kind = triviaScanner.scan(); - var end = triviaScanner.getTextPos(); - var width = end - start; - // The moment we get something that isn't trivia, then stop processing. - if (!ts.isTrivia(kind)) { - return start; - } - // Don't bother with newlines/whitespace. - if (kind === 4 /* NewLineTrivia */ || kind === 5 /* WhitespaceTrivia */) { - continue; - } - // Only bother with the trivia if it at least intersects the span of interest. - if (ts.isComment(kind)) { - classifyComment(token, kind, start, width); - // Classifying a comment might cause us to reuse the trivia scanner - // (because of jsdoc comments). So after we classify the comment make - // sure we set the scanner position back to where it needs to be. - triviaScanner.setTextPos(end); - continue; - } - if (kind === 7 /* ConflictMarkerTrivia */) { - var text = sourceFile.text; - var ch = text.charCodeAt(start); - // for the <<<<<<< and >>>>>>> markers, we just add them in as comments - // in the classification stream. - if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { - pushClassification(start, width, 1 /* comment */); - continue; - } - // for the ======== add a comment for the first line, and then lex all - // subsequent lines up until the end of the conflict marker. - ts.Debug.assert(ch === 61 /* equals */); - classifyDisabledMergeCode(text, start, end); - } - } - } - function classifyComment(token, kind, start, width) { - if (kind === 3 /* MultiLineCommentTrivia */) { - // See if this is a doc comment. If so, we'll classify certain portions of it - // specially. - var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); - if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { - docCommentAndDiagnostics.jsDocComment.parent = token; - classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); - return; - } - } - // Simple comment. Just add as is. - pushCommentRange(start, width); - } - function pushCommentRange(start, width) { - pushClassification(start, width, 1 /* comment */); - } - function classifyJSDocComment(docComment) { - var pos = docComment.pos; - for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - // As we walk through each tag, classify the portion of text from the end of - // the last tag (or the start of the entire doc comment) as 'comment'. - if (tag.pos !== pos) { - pushCommentRange(pos, tag.pos - pos); - } - pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10 /* punctuation */); - pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* docCommentTagName */); - pos = tag.tagName.end; - switch (tag.kind) { - case 270 /* JSDocParameterTag */: - processJSDocParameterTag(tag); - break; - case 273 /* JSDocTemplateTag */: - processJSDocTemplateTag(tag); - break; - case 272 /* JSDocTypeTag */: - processElement(tag.typeExpression); - break; - case 271 /* JSDocReturnTag */: - processElement(tag.typeExpression); - break; - } - pos = tag.end; - } - if (pos !== docComment.end) { - pushCommentRange(pos, docComment.end - pos); - } - return; - function processJSDocParameterTag(tag) { - if (tag.preParameterName) { - pushCommentRange(pos, tag.preParameterName.pos - pos); - pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17 /* parameterName */); - pos = tag.preParameterName.end; - } - if (tag.typeExpression) { - pushCommentRange(pos, tag.typeExpression.pos - pos); - processElement(tag.typeExpression); - pos = tag.typeExpression.end; - } - if (tag.postParameterName) { - pushCommentRange(pos, tag.postParameterName.pos - pos); - pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17 /* parameterName */); - pos = tag.postParameterName.end; - } - } - } - function processJSDocTemplateTag(tag) { - for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { - var child = _a[_i]; - processElement(child); - } - } - function classifyDisabledMergeCode(text, start, end) { - // Classify the line that the ======= marker is on as a comment. Then just lex - // all further tokens and add them to the result. - var i; - for (i = start; i < end; i++) { - if (ts.isLineBreak(text.charCodeAt(i))) { - break; - } - } - pushClassification(start, i - start, 1 /* comment */); - mergeConflictScanner.setTextPos(i); - while (mergeConflictScanner.getTextPos() < end) { - classifyDisabledCodeToken(); - } - } - function classifyDisabledCodeToken() { - var start = mergeConflictScanner.getTextPos(); - var tokenKind = mergeConflictScanner.scan(); - var end = mergeConflictScanner.getTextPos(); - var type = classifyTokenType(tokenKind); - if (type) { - pushClassification(start, end - start, type); - } - } - /** - * Returns true if node should be treated as classified and no further processing is required. - * False will mean that node is not classified and traverse routine should recurse into node contents. - */ - function tryClassifyNode(node) { - if (ts.nodeIsMissing(node)) { - return true; - } - var classifiedElementName = tryClassifyJsxElementName(node); - if (!ts.isToken(node) && node.kind !== 239 /* JsxText */ && classifiedElementName === undefined) { - return false; - } - var tokenStart = node.kind === 239 /* JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); - var tokenWidth = node.end - tokenStart; - ts.Debug.assert(tokenWidth >= 0); - if (tokenWidth > 0) { - var type = classifiedElementName || classifyTokenType(node.kind, node); - if (type) { - pushClassification(tokenStart, tokenWidth, type); - } - } - return true; - } - function tryClassifyJsxElementName(token) { - switch (token.parent && token.parent.kind) { - case 238 /* JsxOpeningElement */: - if (token.parent.tagName === token) { - return 19 /* jsxOpenTagName */; - } - break; - case 240 /* JsxClosingElement */: - if (token.parent.tagName === token) { - return 20 /* jsxCloseTagName */; - } - break; - case 237 /* JsxSelfClosingElement */: - if (token.parent.tagName === token) { - return 21 /* jsxSelfClosingTagName */; - } - break; - case 241 /* JsxAttribute */: - if (token.parent.name === token) { - return 22 /* jsxAttribute */; - } - break; - } - return undefined; - } - // for accurate classification, the actual token should be passed in. however, for - // cases like 'disabled merge code' classification, we just get the token kind and - // classify based on that instead. - function classifyTokenType(tokenKind, token) { - if (ts.isKeyword(tokenKind)) { - return 3 /* keyword */; - } - // Special case < and > If they appear in a generic context they are punctuation, - // not operators. - if (tokenKind === 25 /* LessThanToken */ || tokenKind === 27 /* GreaterThanToken */) { - // If the node owning the token has a type argument list or type parameter list, then - // we can effectively assume that a '<' and '>' belong to those lists. - if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { - return 10 /* punctuation */; - } - } - if (ts.isPunctuation(tokenKind)) { - if (token) { - if (tokenKind === 56 /* EqualsToken */) { - // the '=' in a variable declaration is special cased here. - if (token.parent.kind === 214 /* VariableDeclaration */ || - token.parent.kind === 142 /* PropertyDeclaration */ || - token.parent.kind === 139 /* Parameter */ || - token.parent.kind === 241 /* JsxAttribute */) { - return 5 /* operator */; - } - } - if (token.parent.kind === 184 /* BinaryExpression */ || - token.parent.kind === 182 /* PrefixUnaryExpression */ || - token.parent.kind === 183 /* PostfixUnaryExpression */ || - token.parent.kind === 185 /* ConditionalExpression */) { - return 5 /* operator */; - } - } - return 10 /* punctuation */; - } - else if (tokenKind === 8 /* NumericLiteral */) { - return 4 /* numericLiteral */; - } - else if (tokenKind === 9 /* StringLiteral */ || tokenKind === 163 /* StringLiteralType */) { - return token.parent.kind === 241 /* JsxAttribute */ ? 24 /* jsxAttributeStringLiteralValue */ : 6 /* stringLiteral */; - } - else if (tokenKind === 10 /* RegularExpressionLiteral */) { - // TODO: we should get another classification type for these literals. - return 6 /* stringLiteral */; - } - else if (ts.isTemplateLiteralKind(tokenKind)) { - // TODO (drosen): we should *also* get another classification type for these literals. - return 6 /* stringLiteral */; - } - else if (tokenKind === 239 /* JsxText */) { - return 23 /* jsxText */; - } - else if (tokenKind === 69 /* Identifier */) { - if (token) { - switch (token.parent.kind) { - case 217 /* ClassDeclaration */: - if (token.parent.name === token) { - return 11 /* className */; - } - return; - case 138 /* TypeParameter */: - if (token.parent.name === token) { - return 15 /* typeParameterName */; - } - return; - case 218 /* InterfaceDeclaration */: - if (token.parent.name === token) { - return 13 /* interfaceName */; - } - return; - case 220 /* EnumDeclaration */: - if (token.parent.name === token) { - return 12 /* enumName */; - } - return; - case 221 /* ModuleDeclaration */: - if (token.parent.name === token) { - return 14 /* moduleName */; - } - return; - case 139 /* Parameter */: - if (token.parent.name === token) { - return 17 /* parameterName */; - } - return; - } - } - return 2 /* identifier */; - } - } - function processElement(element) { - if (!element) { - return; - } - // Ignore nodes that don't intersect the original span to classify. - if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { - checkForClassificationCancellation(element.kind); - var children = element.getChildren(sourceFile); - for (var i = 0, n = children.length; i < n; i++) { - var child = children[i]; - if (!tryClassifyNode(child)) { - // Recurse into our child nodes. - processElement(child); - } - } - } - } - } - function getOutliningSpans(fileName) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.OutliningElementsCollector.collectElements(sourceFile); - } - function getBraceMatchingAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var result = []; - var token = ts.getTouchingToken(sourceFile, position); - if (token.getStart(sourceFile) === position) { - var matchKind = getMatchingTokenKind(token); - // Ensure that there is a corresponding token to match ours. - if (matchKind) { - var parentElement = token.parent; - var childNodes = parentElement.getChildren(sourceFile); - for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { - var current = childNodes_1[_i]; - if (current.kind === matchKind) { - var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); - var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); - // We want to order the braces when we return the result. - if (range1.start < range2.start) { - result.push(range1, range2); - } - else { - result.push(range2, range1); - } - break; - } - } - } - } - return result; - function getMatchingTokenKind(token) { - switch (token.kind) { - case 15 /* OpenBraceToken */: return 16 /* CloseBraceToken */; - case 17 /* OpenParenToken */: return 18 /* CloseParenToken */; - case 19 /* OpenBracketToken */: return 20 /* CloseBracketToken */; - case 25 /* LessThanToken */: return 27 /* GreaterThanToken */; - case 16 /* CloseBraceToken */: return 15 /* OpenBraceToken */; - case 18 /* CloseParenToken */: return 17 /* OpenParenToken */; - case 20 /* CloseBracketToken */: return 19 /* OpenBracketToken */; - case 27 /* GreaterThanToken */: return 25 /* LessThanToken */; - } - return undefined; - } - } - function getIndentationAtPosition(fileName, position, editorOptions) { - var start = new Date().getTime(); - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); - start = new Date().getTime(); - var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); - log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); - return result; - } - function getFormattingEditsForRange(fileName, start, end, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsForDocument(fileName, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsAfterKeystroke(fileName, position, key, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (key === "}") { - return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); - } - else if (key === ";") { - return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); - } - else if (key === "\n") { - return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); - } - return []; - } - /** - * Checks if position points to a valid position to add JSDoc comments, and if so, - * returns the appropriate template. Otherwise returns an empty string. - * Valid positions are - * - outside of comments, statements, and expressions, and - * - preceding a: - * - function/constructor/method declaration - * - class declarations - * - variable statements - * - namespace declarations - * - * Hosts should ideally check that: - * - The line is all whitespace up to 'position' before performing the insertion. - * - If the keystroke sequence "/\*\*" induced the call, we also check that the next - * non-whitespace character is '*', which (approximately) indicates whether we added - * the second '*' to complete an existing (JSDoc) comment. - * @param fileName The file in which to perform the check. - * @param position The (character-indexed) position in the file where the check should - * be performed. - */ - function getDocCommentTemplateAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - // Check if in a context where we don't want to perform any insertion - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { - return undefined; - } - var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); - var tokenStart = tokenAtPos.getStart(); - if (!tokenAtPos || tokenStart < position) { - return undefined; - } - // TODO: add support for: - // - enums/enum members - // - interfaces - // - property declarations - // - potentially property assignments - var commentOwner; - findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { - switch (commentOwner.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 145 /* Constructor */: - case 217 /* ClassDeclaration */: - case 196 /* VariableStatement */: - break findOwner; - case 251 /* SourceFile */: - return undefined; - case 221 /* ModuleDeclaration */: - // If in walking up the tree, we hit a a nested namespace declaration, - // then we must be somewhere within a dotted namespace name; however we don't - // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'. - if (commentOwner.parent.kind === 221 /* ModuleDeclaration */) { - return undefined; - } - break findOwner; - } - } - if (!commentOwner || commentOwner.getStart() < position) { - return undefined; - } - var parameters = getParametersForJsDocOwningNode(commentOwner); - var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); - var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; - var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); - var newLine = ts.getNewLineOrDefaultFromHost(host); - var docParams = ""; - for (var i = 0, numParams = parameters.length; i < numParams; i++) { - var currentName = parameters[i].name; - var paramName = currentName.kind === 69 /* Identifier */ ? - currentName.text : - "param" + i; - docParams += indentationStr + " * @param " + paramName + newLine; - } - // A doc comment consists of the following - // * The opening comment line - // * the first line (without a param) for the object's untagged info (this is also where the caret ends up) - // * the '@param'-tagged lines - // * TODO: other tags. - // * the closing comment line - // * if the caret was directly in front of the object, then we add an extra line and indentation. - var preamble = "/**" + newLine + - indentationStr + " * "; - var result = preamble + newLine + - docParams + - indentationStr + " */" + - (tokenStart === position ? newLine + indentationStr : ""); - return { newText: result, caretOffset: preamble.length }; - } - function getParametersForJsDocOwningNode(commentOwner) { - if (ts.isFunctionLike(commentOwner)) { - return commentOwner.parameters; - } - if (commentOwner.kind === 196 /* VariableStatement */) { - var varStatement = commentOwner; - var varDeclarations = varStatement.declarationList.declarations; - if (varDeclarations.length === 1 && varDeclarations[0].initializer) { - return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); - } - } - return emptyArray; - } - /** - * Digs into an an initializer or RHS operand of an assignment operation - * to get the parameters of an apt signature corresponding to a - * function expression or a class expression. - * - * @param rightHandSide the expression which may contain an appropriate set of parameters - * @returns the parameters of a signature found on the RHS if one exists; otherwise 'emptyArray'. - */ - function getParametersFromRightHandSideOfAssignment(rightHandSide) { - while (rightHandSide.kind === 175 /* ParenthesizedExpression */) { - rightHandSide = rightHandSide.expression; - } - switch (rightHandSide.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return rightHandSide.parameters; - case 189 /* ClassExpression */: - for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 145 /* Constructor */) { - return member.parameters; - } - } - break; - } - return emptyArray; - } - function getTodoComments(fileName, descriptors) { - // Note: while getting todo comments seems like a syntactic operation, we actually - // treat it as a semantic operation here. This is because we expect our host to call - // this on every single file. If we treat this syntactically, then that will cause - // us to populate and throw away the tree in our syntax tree cache for each file. By - // treating this as a semantic operation, we can access any tree without throwing - // anything away. - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - cancellationToken.throwIfCancellationRequested(); - var fileContents = sourceFile.text; - var result = []; - if (descriptors.length > 0) { - var regExp = getTodoCommentsRegExp(); - var matchArray = void 0; - while (matchArray = regExp.exec(fileContents)) { - cancellationToken.throwIfCancellationRequested(); - // If we got a match, here is what the match array will look like. Say the source text is: - // - // " // hack 1" - // - // The result array with the regexp: will be: - // - // ["// hack 1", "// ", "hack 1", undefined, "hack"] - // - // Here are the relevant capture groups: - // 0) The full match for the entire regexp. - // 1) The preamble to the message portion. - // 2) The message portion. - // 3...N) The descriptor that was matched - by index. 'undefined' for each - // descriptor that didn't match. an actual value if it did match. - // - // i.e. 'undefined' in position 3 above means TODO(jason) didn't match. - // "hack" in position 4 means HACK did match. - var firstDescriptorCaptureIndex = 3; - ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); - var preamble = matchArray[1]; - var matchPosition = matchArray.index + preamble.length; - // OK, we have found a match in the file. This is only an acceptable match if - // it is contained within a comment. - var token = ts.getTokenAtPosition(sourceFile, matchPosition); - if (!isInsideComment(sourceFile, token, matchPosition)) { - continue; - } - var descriptor = undefined; - for (var i = 0, n = descriptors.length; i < n; i++) { - if (matchArray[i + firstDescriptorCaptureIndex]) { - descriptor = descriptors[i]; - } - } - ts.Debug.assert(descriptor !== undefined); - // We don't want to match something like 'TODOBY', so we make sure a non - // letter/digit follows the match. - if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { - continue; - } - var message = matchArray[2]; - result.push({ - descriptor: descriptor, - message: message, - position: matchPosition - }); - } - } - return result; - function escapeRegExp(str) { - return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); - } - function getTodoCommentsRegExp() { - // NOTE: ?: means 'non-capture group'. It allows us to have groups without having to - // filter them out later in the final result array. - // TODO comments can appear in one of the following forms: - // - // 1) // TODO or /////////// TODO - // - // 2) /* TODO or /********** TODO - // - // 3) /* - // * TODO - // */ - // - // The following three regexps are used to match the start of the text up to the TODO - // comment portion. - var singleLineCommentStart = /(?:\/\/+\s*)/.source; - var multiLineCommentStart = /(?:\/\*+\s*)/.source; - var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; - // Match any of the above three TODO comment start regexps. - // Note that the outermost group *is* a capture group. We want to capture the preamble - // so that we can determine the starting position of the TODO comment match. - var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; - // Takes the descriptors and forms a regexp that matches them as if they were literals. - // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be: - // - // (?:(TODO\(jason\))|(HACK)) - // - // Note that the outermost group is *not* a capture group, but the innermost groups - // *are* capture groups. By capturing the inner literals we can determine after - // matching which descriptor we are dealing with. - var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; - // After matching a descriptor literal, the following regexp matches the rest of the - // text up to the end of the line (or */). - var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; - var messageRemainder = /(?:.*?)/.source; - // This is the portion of the match we'll return as part of the TODO comment result. We - // match the literal portion up to the end of the line or end of comment. - var messagePortion = "(" + literals + messageRemainder + ")"; - var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; - // The final regexp will look like this: - // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim - // The flags of the regexp are important here. - // 'g' is so that we are doing a global search and can find matches several times - // in the input. - // - // 'i' is for case insensitivity (We do this to match C# TODO comment code). - // - // 'm' is so we can find matches in a multi-line input. - return new RegExp(regExpString, "gim"); - } - function isLetterOrDigit(char) { - return (char >= 97 /* a */ && char <= 122 /* z */) || - (char >= 65 /* A */ && char <= 90 /* Z */) || - (char >= 48 /* _0 */ && char <= 57 /* _9 */); - } - } - function getRenameInfo(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var node = ts.getTouchingWord(sourceFile, position); - // Can only rename an identifier. - if (node && node.kind === 69 /* Identifier */) { - var symbol = typeChecker.getSymbolAtLocation(node); - // Only allow a symbol to be renamed if it actually has at least one declaration. - if (symbol) { - var declarations = symbol.getDeclarations(); - if (declarations && declarations.length > 0) { - // Disallow rename for elements that are defined in the standard TypeScript library. - var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); - var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); - if (defaultLibFileName) { - for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { - var current = declarations_10[_i]; - var sourceFile_3 = current.getSourceFile(); - // TODO (drosen): When is there no source file? - if (!sourceFile_3) { - continue; - } - var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); - if (canonicalName === canonicalDefaultLibName) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); - } - } - } - var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var kind = getSymbolKind(symbol, node); - if (kind) { - return { - canRename: true, - kind: kind, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: typeChecker.getFullyQualifiedName(symbol), - kindModifiers: getSymbolModifiers(symbol), - triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) - }; - } - } - } - } - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); - function getRenameInfoError(localizedErrorMessage) { - return { - canRename: false, - localizedErrorMessage: localizedErrorMessage, - displayName: undefined, - fullDisplayName: undefined, - kind: undefined, - kindModifiers: undefined, - triggerSpan: undefined - }; - } - } - return { - dispose: dispose, - cleanupSemanticCache: cleanupSemanticCache, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, - getSyntacticClassifications: getSyntacticClassifications, - getSemanticClassifications: getSemanticClassifications, - getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, - getEncodedSemanticClassifications: getEncodedSemanticClassifications, - getCompletionsAtPosition: getCompletionsAtPosition, - getCompletionEntryDetails: getCompletionEntryDetails, - getSignatureHelpItems: getSignatureHelpItems, - getQuickInfoAtPosition: getQuickInfoAtPosition, - getDefinitionAtPosition: getDefinitionAtPosition, - getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, - getReferencesAtPosition: getReferencesAtPosition, - findReferences: findReferences, - getOccurrencesAtPosition: getOccurrencesAtPosition, - getDocumentHighlights: getDocumentHighlights, - getNameOrDottedNameSpan: getNameOrDottedNameSpan, - getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, - getNavigateToItems: getNavigateToItems, - getRenameInfo: getRenameInfo, - findRenameLocations: findRenameLocations, - getNavigationBarItems: getNavigationBarItems, - getOutliningSpans: getOutliningSpans, - getTodoComments: getTodoComments, - getBraceMatchingAtPosition: getBraceMatchingAtPosition, - getIndentationAtPosition: getIndentationAtPosition, - getFormattingEditsForRange: getFormattingEditsForRange, - getFormattingEditsForDocument: getFormattingEditsForDocument, - getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, - getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, - getEmitOutput: getEmitOutput, - getSourceFile: getSourceFile, - getProgram: getProgram - }; - } - ts.createLanguageService = createLanguageService; - /* @internal */ - function getNameTable(sourceFile) { - if (!sourceFile.nameTable) { - initializeNameTable(sourceFile); - } - return sourceFile.nameTable; - } - ts.getNameTable = getNameTable; - function initializeNameTable(sourceFile) { - var nameTable = {}; - walk(sourceFile); - sourceFile.nameTable = nameTable; - function walk(node) { - switch (node.kind) { - case 69 /* Identifier */: - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - break; - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - // We want to store any numbers/strings if they were a name that could be - // related to a declaration. So, if we have 'import x = require("something")' - // then we want 'something' to be in the name table. Similarly, if we have - // "a['propname']" then we want to store "propname" in the name table. - if (ts.isDeclarationName(node) || - node.parent.kind === 235 /* ExternalModuleReference */ || - isArgumentOfElementAccessExpression(node)) { - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - } - break; - default: - ts.forEachChild(node, walk); - } - } - } - function isArgumentOfElementAccessExpression(node) { - return node && - node.parent && - node.parent.kind === 170 /* ElementAccessExpression */ && - node.parent.argumentExpression === node; - } - /// Classifier - function createClassifier() { - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false); - /// We do not have a full parser support to know when we should parse a regex or not - /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where - /// we have a series of divide operator. this list allows us to be more accurate by ruling out - /// locations where a regexp cannot exist. - var noRegexTable = []; - noRegexTable[69 /* Identifier */] = true; - noRegexTable[9 /* StringLiteral */] = true; - noRegexTable[8 /* NumericLiteral */] = true; - noRegexTable[10 /* RegularExpressionLiteral */] = true; - noRegexTable[97 /* ThisKeyword */] = true; - noRegexTable[41 /* PlusPlusToken */] = true; - noRegexTable[42 /* MinusMinusToken */] = true; - noRegexTable[18 /* CloseParenToken */] = true; - noRegexTable[20 /* CloseBracketToken */] = true; - noRegexTable[16 /* CloseBraceToken */] = true; - noRegexTable[99 /* TrueKeyword */] = true; - noRegexTable[84 /* FalseKeyword */] = true; - // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact) - // classification on template strings. Because of the context free nature of templates, - // the only precise way to classify a template portion would be by propagating the stack across - // lines, just as we do with the end-of-line state. However, this is a burden for implementers, - // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead - // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state. - // Situations in which this fails are - // 1) When template strings are nested across different lines: - // `hello ${ `world - // ` }` - // - // Where on the second line, you will get the closing of a template, - // a closing curly, and a new template. - // - // 2) When substitution expressions have curly braces and the curly brace falls on the next line: - // `hello ${ () => { - // return "world" } } ` - // - // Where on the second line, you will get the 'return' keyword, - // a string literal, and a template end consisting of '} } `'. - var templateStack = []; - /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */ - function canFollow(keyword1, keyword2) { - if (ts.isAccessibilityModifier(keyword1)) { - if (keyword2 === 123 /* GetKeyword */ || - keyword2 === 129 /* SetKeyword */ || - keyword2 === 121 /* ConstructorKeyword */ || - keyword2 === 113 /* StaticKeyword */) { - // Allow things like "public get", "public constructor" and "public static". - // These are all legal. - return true; - } - // Any other keyword following "public" is actually an identifier an not a real - // keyword. - return false; - } - // Assume any other keyword combination is legal. This can be refined in the future - // if there are more cases we want the classifier to be better at. - return true; - } - function convertClassifications(classifications, text) { - var entries = []; - var dense = classifications.spans; - var lastEnd = 0; - for (var i = 0, n = dense.length; i < n; i += 3) { - var start = dense[i]; - var length_3 = dense[i + 1]; - var type = dense[i + 2]; - // Make a whitespace entry between the last item and this one. - if (lastEnd >= 0) { - var whitespaceLength_1 = start - lastEnd; - if (whitespaceLength_1 > 0) { - entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); - } - } - entries.push({ length: length_3, classification: convertClassification(type) }); - lastEnd = start + length_3; - } - var whitespaceLength = text.length - lastEnd; - if (whitespaceLength > 0) { - entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); - } - return { entries: entries, finalLexState: classifications.endOfLineState }; - } - function convertClassification(type) { - switch (type) { - case 1 /* comment */: return TokenClass.Comment; - case 3 /* keyword */: return TokenClass.Keyword; - case 4 /* numericLiteral */: return TokenClass.NumberLiteral; - case 5 /* operator */: return TokenClass.Operator; - case 6 /* stringLiteral */: return TokenClass.StringLiteral; - case 8 /* whiteSpace */: return TokenClass.Whitespace; - case 10 /* punctuation */: return TokenClass.Punctuation; - case 2 /* identifier */: - case 11 /* className */: - case 12 /* enumName */: - case 13 /* interfaceName */: - case 14 /* moduleName */: - case 15 /* typeParameterName */: - case 16 /* typeAliasName */: - case 9 /* text */: - case 17 /* parameterName */: - default: - return TokenClass.Identifier; - } - } - function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { - return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); - } - // If there is a syntactic classifier ('syntacticClassifierAbsent' is false), - // we will be more conservative in order to avoid conflicting with the syntactic classifier. - function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { - var offset = 0; - var token = 0 /* Unknown */; - var lastNonTriviaToken = 0 /* Unknown */; - // Empty out the template stack for reuse. - while (templateStack.length > 0) { - templateStack.pop(); - } - // If we're in a string literal, then prepend: "\ - // (and a newline). That way when we lex we'll think we're still in a string literal. - // - // If we're in a multiline comment, then prepend: /* - // (and a newline). That way when we lex we'll think we're still in a multiline comment. - switch (lexState) { - case 3 /* InDoubleQuoteStringLiteral */: - text = "\"\\\n" + text; - offset = 3; - break; - case 2 /* InSingleQuoteStringLiteral */: - text = "'\\\n" + text; - offset = 3; - break; - case 1 /* InMultiLineCommentTrivia */: - text = "/*\n" + text; - offset = 3; - break; - case 4 /* InTemplateHeadOrNoSubstitutionTemplate */: - text = "`\n" + text; - offset = 2; - break; - case 5 /* InTemplateMiddleOrTail */: - text = "}\n" + text; - offset = 2; - // fallthrough - case 6 /* InTemplateSubstitutionPosition */: - templateStack.push(12 /* TemplateHead */); - break; - } - scanner.setText(text); - var result = { - endOfLineState: 0 /* None */, - spans: [] - }; - // We can run into an unfortunate interaction between the lexical and syntactic classifier - // when the user is typing something generic. Consider the case where the user types: - // - // Foo tokens. It's a weak heuristic, but should - // work well enough in practice. - var angleBracketStack = 0; - do { - token = scanner.scan(); - if (!ts.isTrivia(token)) { - if ((token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) && !noRegexTable[lastNonTriviaToken]) { - if (scanner.reScanSlashToken() === 10 /* RegularExpressionLiteral */) { - token = 10 /* RegularExpressionLiteral */; - } - } - else if (lastNonTriviaToken === 21 /* DotToken */ && isKeyword(token)) { - token = 69 /* Identifier */; - } - else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { - // We have two keywords in a row. Only treat the second as a keyword if - // it's a sequence that could legally occur in the language. Otherwise - // treat it as an identifier. This way, if someone writes "private var" - // we recognize that 'var' is actually an identifier here. - token = 69 /* Identifier */; - } - else if (lastNonTriviaToken === 69 /* Identifier */ && - token === 25 /* LessThanToken */) { - // Could be the start of something generic. Keep track of that by bumping - // up the current count of generic contexts we may be in. - angleBracketStack++; - } - else if (token === 27 /* GreaterThanToken */ && angleBracketStack > 0) { - // If we think we're currently in something generic, then mark that that - // generic entity is complete. - angleBracketStack--; - } - else if (token === 117 /* AnyKeyword */ || - token === 130 /* StringKeyword */ || - token === 128 /* NumberKeyword */ || - token === 120 /* BooleanKeyword */ || - token === 131 /* SymbolKeyword */) { - if (angleBracketStack > 0 && !syntacticClassifierAbsent) { - // If it looks like we're could be in something generic, don't classify this - // as a keyword. We may just get overwritten by the syntactic classifier, - // causing a noisy experience for the user. - token = 69 /* Identifier */; - } - } - else if (token === 12 /* TemplateHead */) { - templateStack.push(token); - } - else if (token === 15 /* OpenBraceToken */) { - // If we don't have anything on the template stack, - // then we aren't trying to keep track of a previously scanned template head. - if (templateStack.length > 0) { - templateStack.push(token); - } - } - else if (token === 16 /* CloseBraceToken */) { - // If we don't have anything on the template stack, - // then we aren't trying to keep track of a previously scanned template head. - if (templateStack.length > 0) { - var lastTemplateStackToken = ts.lastOrUndefined(templateStack); - if (lastTemplateStackToken === 12 /* TemplateHead */) { - token = scanner.reScanTemplateToken(); - // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us. - if (token === 14 /* TemplateTail */) { - templateStack.pop(); - } - else { - ts.Debug.assert(token === 13 /* TemplateMiddle */, "Should have been a template middle. Was " + token); - } - } - else { - ts.Debug.assert(lastTemplateStackToken === 15 /* OpenBraceToken */, "Should have been an open brace. Was: " + token); - templateStack.pop(); - } - } - } - lastNonTriviaToken = token; - } - processToken(); - } while (token !== 1 /* EndOfFileToken */); - return result; - function processToken() { - var start = scanner.getTokenPos(); - var end = scanner.getTextPos(); - addResult(start, end, classFromKind(token)); - if (end >= text.length) { - if (token === 9 /* StringLiteral */ || token === 163 /* StringLiteralType */) { - // Check to see if we finished up on a multiline string literal. - var tokenText = scanner.getTokenText(); - if (scanner.isUnterminated()) { - var lastCharIndex = tokenText.length - 1; - var numBackslashes = 0; - while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* backslash */) { - numBackslashes++; - } - // If we have an odd number of backslashes, then the multiline string is unclosed - if (numBackslashes & 1) { - var quoteChar = tokenText.charCodeAt(0); - result.endOfLineState = quoteChar === 34 /* doubleQuote */ - ? 3 /* InDoubleQuoteStringLiteral */ - : 2 /* InSingleQuoteStringLiteral */; - } - } - } - else if (token === 3 /* MultiLineCommentTrivia */) { - // Check to see if the multiline comment was unclosed. - if (scanner.isUnterminated()) { - result.endOfLineState = 1 /* InMultiLineCommentTrivia */; - } - } - else if (ts.isTemplateLiteralKind(token)) { - if (scanner.isUnterminated()) { - if (token === 14 /* TemplateTail */) { - result.endOfLineState = 5 /* InTemplateMiddleOrTail */; - } - else if (token === 11 /* NoSubstitutionTemplateLiteral */) { - result.endOfLineState = 4 /* InTemplateHeadOrNoSubstitutionTemplate */; - } - else { - ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); - } - } - } - else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12 /* TemplateHead */) { - result.endOfLineState = 6 /* InTemplateSubstitutionPosition */; - } - } - } - function addResult(start, end, classification) { - if (classification === 8 /* whiteSpace */) { - // Don't bother with whitespace classifications. They're not needed. - return; - } - if (start === 0 && offset > 0) { - // We're classifying the first token, and this was a case where we prepended - // text. We should consider the start of this token to be at the start of - // the original text. - start += offset; - } - // All our tokens are in relation to the augmented text. Move them back to be - // relative to the original text. - start -= offset; - end -= offset; - var length = end - start; - if (length > 0) { - result.spans.push(start); - result.spans.push(length); - result.spans.push(classification); - } - } - } - function isBinaryExpressionOperatorToken(token) { - switch (token) { - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 43 /* LessThanLessThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - case 91 /* InstanceOfKeyword */: - case 90 /* InKeyword */: - case 116 /* AsKeyword */: - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - case 46 /* AmpersandToken */: - case 48 /* CaretToken */: - case 47 /* BarToken */: - case 51 /* AmpersandAmpersandToken */: - case 52 /* BarBarToken */: - case 67 /* BarEqualsToken */: - case 66 /* AmpersandEqualsToken */: - case 68 /* CaretEqualsToken */: - case 63 /* LessThanLessThanEqualsToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 57 /* PlusEqualsToken */: - case 58 /* MinusEqualsToken */: - case 59 /* AsteriskEqualsToken */: - case 61 /* SlashEqualsToken */: - case 62 /* PercentEqualsToken */: - case 56 /* EqualsToken */: - case 24 /* CommaToken */: - return true; - default: - return false; - } - } - function isPrefixUnaryExpressionOperatorToken(token) { - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - return true; - default: - return false; - } - } - function isKeyword(token) { - return token >= 70 /* FirstKeyword */ && token <= 135 /* LastKeyword */; - } - function classFromKind(token) { - if (isKeyword(token)) { - return 3 /* keyword */; - } - else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { - return 5 /* operator */; - } - else if (token >= 15 /* FirstPunctuation */ && token <= 68 /* LastPunctuation */) { - return 10 /* punctuation */; - } - switch (token) { - case 8 /* NumericLiteral */: - return 4 /* numericLiteral */; - case 9 /* StringLiteral */: - case 163 /* StringLiteralType */: - return 6 /* stringLiteral */; - case 10 /* RegularExpressionLiteral */: - return 7 /* regularExpressionLiteral */; - case 7 /* ConflictMarkerTrivia */: - case 3 /* MultiLineCommentTrivia */: - case 2 /* SingleLineCommentTrivia */: - return 1 /* comment */; - case 5 /* WhitespaceTrivia */: - case 4 /* NewLineTrivia */: - return 8 /* whiteSpace */; - case 69 /* Identifier */: - default: - if (ts.isTemplateLiteralKind(token)) { - return 6 /* stringLiteral */; - } - return 2 /* identifier */; - } - } - return { - getClassificationsForLine: getClassificationsForLine, - getEncodedLexicalClassifications: getEncodedLexicalClassifications - }; - } - ts.createClassifier = createClassifier; - /** - * Get the path of the default library files (lib.d.ts) as distributed with the typescript - * node package. - * The functionality is not supported if the ts module is consumed outside of a node module. - */ - function getDefaultLibFilePath(options) { - // Check __dirname is defined and that we are on a node.js system. - if (typeof __dirname !== "undefined") { - return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); - } - throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); - } - ts.getDefaultLibFilePath = getDefaultLibFilePath; - function initializeServices() { - ts.objectAllocator = { - getNodeConstructor: function () { return NodeObject; }, - getSourceFileConstructor: function () { return SourceFileObject; }, - getSymbolConstructor: function () { return SymbolObject; }, - getTypeConstructor: function () { return TypeObject; }, - getSignatureConstructor: function () { return SignatureObject; } - }; - } - initializeServices(); -})(ts || (ts = {})); -// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0. -// See LICENSE.txt in the project root for complete license information. -/// -/* @internal */ -var ts; -(function (ts) { - var BreakpointResolver; - (function (BreakpointResolver) { - /** - * Get the breakpoint span in given sourceFile - */ - function spanInSourceFileAtLocation(sourceFile, position) { - // Cannot set breakpoint in dts file - if (sourceFile.flags & 4096 /* DeclarationFile */) { - return undefined; - } - var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); - var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { - // Get previous token if the token is returned starts on new line - // eg: let x =10; |--- cursor is here - // let y = 10; - // token at position will return let keyword on second line as the token but we would like to use - // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line - tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); - // Its a blank line - if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { - return undefined; - } - } - // Cannot set breakpoint in ambient declarations - if (ts.isInAmbientContext(tokenAtLocation)) { - return undefined; - } - // Get the span in the node based on its syntax - return spanInNode(tokenAtLocation); - function textSpan(startNode, endNode) { - var start = startNode.decorators ? - ts.skipTrivia(sourceFile.text, startNode.decorators.end) : - startNode.getStart(sourceFile); - return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); - } - function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { - return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); - } - function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { - if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { - return spanInNode(node); - } - return spanInNode(otherwiseOnNode); - } - function spanInNodeArray(nodeArray) { - return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); - } - function spanInPreviousNode(node) { - return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); - } - function spanInNextNode(node) { - return spanInNode(ts.findNextToken(node, node.parent)); - } - function spanInNode(node) { - if (node) { - switch (node.kind) { - case 196 /* VariableStatement */: - // Span on first variable declaration - return spanInVariableDeclaration(node.declarationList.declarations[0]); - case 214 /* VariableDeclaration */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return spanInVariableDeclaration(node); - case 139 /* Parameter */: - return spanInParameterDeclaration(node); - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return spanInFunctionDeclaration(node); - case 195 /* Block */: - if (ts.isFunctionBlock(node)) { - return spanInFunctionBlock(node); - } - // Fall through - case 222 /* ModuleBlock */: - return spanInBlock(node); - case 247 /* CatchClause */: - return spanInBlock(node.block); - case 198 /* ExpressionStatement */: - // span on the expression - return textSpan(node.expression); - case 207 /* ReturnStatement */: - // span on return keyword and expression if present - return textSpan(node.getChildAt(0), node.expression); - case 201 /* WhileStatement */: - // Span on while(...) - return textSpanEndingAtNextToken(node, node.expression); - case 200 /* DoStatement */: - // span in statement of the do statement - return spanInNode(node.statement); - case 213 /* DebuggerStatement */: - // span on debugger keyword - return textSpan(node.getChildAt(0)); - case 199 /* IfStatement */: - // set on if(..) span - return textSpanEndingAtNextToken(node, node.expression); - case 210 /* LabeledStatement */: - // span in statement - return spanInNode(node.statement); - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - // On break or continue keyword and label if present - return textSpan(node.getChildAt(0), node.label); - case 202 /* ForStatement */: - return spanInForStatement(node); - case 203 /* ForInStatement */: - // span of for (a in ...) - return textSpanEndingAtNextToken(node, node.expression); - case 204 /* ForOfStatement */: - // span in initializer - return spanInInitializerOfForLike(node); - case 209 /* SwitchStatement */: - // span on switch(...) - return textSpanEndingAtNextToken(node, node.expression); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - // span in first statement of the clause - return spanInNode(node.statements[0]); - case 212 /* TryStatement */: - // span in try block - return spanInBlock(node.tryBlock); - case 211 /* ThrowStatement */: - // span in throw ... - return textSpan(node, node.expression); - case 230 /* ExportAssignment */: - // span on export = id - return textSpan(node, node.expression); - case 224 /* ImportEqualsDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleReference); - case 225 /* ImportDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleSpecifier); - case 231 /* ExportDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleSpecifier); - case 221 /* ModuleDeclaration */: - // span on complete module if it is instantiated - if (ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return undefined; - } - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 166 /* BindingElement */: - // span on complete node - return textSpan(node); - case 208 /* WithStatement */: - // span in statement - return spanInNode(node.statement); - case 140 /* Decorator */: - return spanInNodeArray(node.parent.decorators); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - return spanInBindingPattern(node); - // No breakpoint in interface, type alias - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - return undefined; - // Tokens: - case 23 /* SemicolonToken */: - case 1 /* EndOfFileToken */: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); - case 24 /* CommaToken */: - return spanInPreviousNode(node); - case 15 /* OpenBraceToken */: - return spanInOpenBraceToken(node); - case 16 /* CloseBraceToken */: - return spanInCloseBraceToken(node); - case 20 /* CloseBracketToken */: - return spanInCloseBracketToken(node); - case 17 /* OpenParenToken */: - return spanInOpenParenToken(node); - case 18 /* CloseParenToken */: - return spanInCloseParenToken(node); - case 54 /* ColonToken */: - return spanInColonToken(node); - case 27 /* GreaterThanToken */: - case 25 /* LessThanToken */: - return spanInGreaterThanOrLessThanToken(node); - // Keywords: - case 104 /* WhileKeyword */: - return spanInWhileKeyword(node); - case 80 /* ElseKeyword */: - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return spanInNextNode(node); - case 135 /* OfKeyword */: - return spanInOfKeyword(node); - default: - // Destructuring pattern in destructuring assignment - // [a, b, c] of - // [a, b, c] = expression - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); - } - // Set breakpoint on identifier element of destructuring pattern - // a or ...c or d: x from - // [a, b, ...c] or { a, b } or { d: x } from destructuring pattern - if ((node.kind === 69 /* Identifier */ || - node.kind == 188 /* SpreadElementExpression */ || - node.kind === 248 /* PropertyAssignment */ || - node.kind === 249 /* ShorthandPropertyAssignment */) && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - return textSpan(node); - } - if (node.kind === 184 /* BinaryExpression */) { - var binaryExpression = node; - // Set breakpoint in destructuring pattern if its destructuring assignment - // [a, b, c] or {a, b, c} of - // [a, b, c] = expression or - // {a, b, c} = expression - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); - } - if (binaryExpression.operatorToken.kind === 56 /* EqualsToken */ && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { - // Set breakpoint on assignment expression element of destructuring pattern - // a = expression of - // [a = expression, b, c] = someExpression or - // { a = expression, b, c } = someExpression - return textSpan(node); - } - if (binaryExpression.operatorToken.kind === 24 /* CommaToken */) { - return spanInNode(binaryExpression.left); - } - } - if (ts.isExpression(node)) { - switch (node.parent.kind) { - case 200 /* DoStatement */: - // Set span as if on while keyword - return spanInPreviousNode(node); - case 140 /* Decorator */: - // Set breakpoint on the decorator emit - return spanInNode(node.parent); - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - return textSpan(node); - case 184 /* BinaryExpression */: - if (node.parent.operatorToken.kind === 24 /* CommaToken */) { - // if this is comma expression, the breakpoint is possible in this expression - return textSpan(node); - } - break; - case 177 /* ArrowFunction */: - if (node.parent.body === node) { - // If this is body of arrow function, it is allowed to have the breakpoint - return textSpan(node); - } - break; - } - } - // If this is name of property assignment, set breakpoint in the initializer - if (node.parent.kind === 248 /* PropertyAssignment */ && - node.parent.name === node && - !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { - return spanInNode(node.parent.initializer); - } - // Breakpoint in type assertion goes to its operand - if (node.parent.kind === 174 /* TypeAssertionExpression */ && node.parent.type === node) { - return spanInNextNode(node.parent.type); - } - // return type of function go to previous token - if (ts.isFunctionLike(node.parent) && node.parent.type === node) { - return spanInPreviousNode(node); - } - // initializer of variable/parameter declaration go to previous node - if ((node.parent.kind === 214 /* VariableDeclaration */ || - node.parent.kind === 139 /* Parameter */)) { - var paramOrVarDecl = node.parent; - if (paramOrVarDecl.initializer === node || - paramOrVarDecl.type === node || - ts.isAssignmentOperator(node.kind)) { - return spanInPreviousNode(node); - } - } - if (node.parent.kind === 184 /* BinaryExpression */) { - var binaryExpression = node.parent; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && - (binaryExpression.right === node || - binaryExpression.operatorToken === node)) { - // If initializer of destructuring assignment move to previous token - return spanInPreviousNode(node); - } - } - // Default go to parent to set the breakpoint - return spanInNode(node.parent); - } - } - function textSpanFromVariableDeclaration(variableDeclaration) { - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] === variableDeclaration) { - // First declaration - include let keyword - return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); - } - else { - // Span only on this declaration - return textSpan(variableDeclaration); - } - } - function spanInVariableDeclaration(variableDeclaration) { - // If declaration of for in statement, just set the span in parent - if (variableDeclaration.parent.parent.kind === 203 /* ForInStatement */) { - return spanInNode(variableDeclaration.parent.parent); - } - // If this is a destructuring pattern set breakpoint in binding pattern - if (ts.isBindingPattern(variableDeclaration.name)) { - return spanInBindingPattern(variableDeclaration.name); - } - // Breakpoint is possible in variableDeclaration only if there is initialization - // or its declaration from 'for of' - if (variableDeclaration.initializer || - (variableDeclaration.flags & 2 /* Export */) || - variableDeclaration.parent.parent.kind === 204 /* ForOfStatement */) { - return textSpanFromVariableDeclaration(variableDeclaration); - } - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] !== variableDeclaration) { - // If we cant set breakpoint on this declaration, set it on previous one - // Because the variable declaration may be binding pattern and - // we would like to set breakpoint in last binding element if thats the case, - // use preceding token instead - return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); - } - } - function canHaveSpanInParameterDeclaration(parameter) { - // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier - return !!parameter.initializer || parameter.dotDotDotToken !== undefined || - !!(parameter.flags & 8 /* Public */) || !!(parameter.flags & 16 /* Private */); - } - function spanInParameterDeclaration(parameter) { - if (ts.isBindingPattern(parameter.name)) { - // set breakpoint in binding pattern - return spanInBindingPattern(parameter.name); - } - else if (canHaveSpanInParameterDeclaration(parameter)) { - return textSpan(parameter); - } - else { - var functionDeclaration = parameter.parent; - var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); - if (indexOfParameter) { - // Not a first parameter, go to previous parameter - return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); - } - else { - // Set breakpoint in the function declaration body - return spanInNode(functionDeclaration.body); - } - } - } - function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { - return !!(functionDeclaration.flags & 2 /* Export */) || - (functionDeclaration.parent.kind === 217 /* ClassDeclaration */ && functionDeclaration.kind !== 145 /* Constructor */); - } - function spanInFunctionDeclaration(functionDeclaration) { - // No breakpoints in the function signature - if (!functionDeclaration.body) { - return undefined; - } - if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { - // Set the span on whole function declaration - return textSpan(functionDeclaration); - } - // Set span in function body - return spanInNode(functionDeclaration.body); - } - function spanInFunctionBlock(block) { - var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); - if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { - return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); - } - return spanInNode(nodeForSpanInBlock); - } - function spanInBlock(block) { - switch (block.parent.kind) { - case 221 /* ModuleDeclaration */: - if (ts.getModuleInstanceState(block.parent) !== 1 /* Instantiated */) { - return undefined; - } - // Set on parent if on same line otherwise on first statement - case 201 /* WhileStatement */: - case 199 /* IfStatement */: - case 203 /* ForInStatement */: - return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); - // Set span on previous token if it starts on same line otherwise on the first statement of the block - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); - } - // Default action is to set on first statement - return spanInNode(block.statements[0]); - } - function spanInInitializerOfForLike(forLikeStaement) { - if (forLikeStaement.initializer.kind === 215 /* VariableDeclarationList */) { - // declaration list, set breakpoint in first declaration - var variableDeclarationList = forLikeStaement.initializer; - if (variableDeclarationList.declarations.length > 0) { - return spanInNode(variableDeclarationList.declarations[0]); - } - } - else { - // Expression - set breakpoint in it - return spanInNode(forLikeStaement.initializer); - } - } - function spanInForStatement(forStatement) { - if (forStatement.initializer) { - return spanInInitializerOfForLike(forStatement); - } - if (forStatement.condition) { - return textSpan(forStatement.condition); - } - if (forStatement.incrementor) { - return textSpan(forStatement.incrementor); - } - } - function spanInBindingPattern(bindingPattern) { - // Set breakpoint in first binding element - var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - // Empty binding pattern of binding element, set breakpoint on binding element - if (bindingPattern.parent.kind === 166 /* BindingElement */) { - return textSpan(bindingPattern.parent); - } - // Variable declaration is used as the span - return textSpanFromVariableDeclaration(bindingPattern.parent); - } - function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { - ts.Debug.assert(node.kind !== 165 /* ArrayBindingPattern */ && node.kind !== 164 /* ObjectBindingPattern */); - var elements = node.kind === 167 /* ArrayLiteralExpression */ ? - node.elements : - node.properties; - var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - // Could be ArrayLiteral from destructuring assignment or - // just nested element in another destructuring assignment - // set breakpoint on assignment when parent is destructuring assignment - // Otherwise set breakpoint for this element - return textSpan(node.parent.kind === 184 /* BinaryExpression */ ? node.parent : node); - } - // Tokens: - function spanInOpenBraceToken(node) { - switch (node.parent.kind) { - case 220 /* EnumDeclaration */: - var enumDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); - case 217 /* ClassDeclaration */: - var classDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); - case 223 /* CaseBlock */: - return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInCloseBraceToken(node) { - switch (node.parent.kind) { - case 222 /* ModuleBlock */: - // If this is not instantiated module block no bp span - if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* Instantiated */) { - return undefined; - } - case 220 /* EnumDeclaration */: - case 217 /* ClassDeclaration */: - // Span on close brace token - return textSpan(node); - case 195 /* Block */: - if (ts.isFunctionBlock(node.parent)) { - // Span on close brace token - return textSpan(node); - } - // fall through. - case 247 /* CatchClause */: - return spanInNode(ts.lastOrUndefined(node.parent.statements)); - case 223 /* CaseBlock */: - // breakpoint in last statement of the last clause - var caseBlock = node.parent; - var lastClause = ts.lastOrUndefined(caseBlock.clauses); - if (lastClause) { - return spanInNode(ts.lastOrUndefined(lastClause.statements)); - } - return undefined; - case 164 /* ObjectBindingPattern */: - // Breakpoint in last binding element or binding pattern if it contains no elements - var bindingPattern = node.parent; - return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - // Default to parent node - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - // Breakpoint in last binding element or binding pattern if it contains no elements - var objectLiteral = node.parent; - return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); - } - return spanInNode(node.parent); - } - } - function spanInCloseBracketToken(node) { - switch (node.parent.kind) { - case 165 /* ArrayBindingPattern */: - // Breakpoint in last binding element or binding pattern if it contains no elements - var bindingPattern = node.parent; - return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - // Breakpoint in last binding element or binding pattern if it contains no elements - var arrayLiteral = node.parent; - return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); - } - // Default to parent node - return spanInNode(node.parent); - } - } - function spanInOpenParenToken(node) { - if (node.parent.kind === 200 /* DoStatement */ || - node.parent.kind === 171 /* CallExpression */ || - node.parent.kind === 172 /* NewExpression */) { - return spanInPreviousNode(node); - } - if (node.parent.kind === 175 /* ParenthesizedExpression */) { - return spanInNextNode(node); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInCloseParenToken(node) { - // Is this close paren token of parameter list, set span in previous token - switch (node.parent.kind) { - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 201 /* WhileStatement */: - case 200 /* DoStatement */: - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 175 /* ParenthesizedExpression */: - return spanInPreviousNode(node); - // Default to parent node - default: - return spanInNode(node.parent); - } - } - function spanInColonToken(node) { - // Is this : specifying return annotation of the function declaration - if (ts.isFunctionLike(node.parent) || - node.parent.kind === 248 /* PropertyAssignment */ || - node.parent.kind === 139 /* Parameter */) { - return spanInPreviousNode(node); - } - return spanInNode(node.parent); - } - function spanInGreaterThanOrLessThanToken(node) { - if (node.parent.kind === 174 /* TypeAssertionExpression */) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInWhileKeyword(node) { - if (node.parent.kind === 200 /* DoStatement */) { - // Set span on while expression - return textSpanEndingAtNextToken(node, node.parent.expression); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInOfKeyword(node) { - if (node.parent.kind === 204 /* ForOfStatement */) { - // set using next token - return spanInNextNode(node); - } - // Default to parent node - return spanInNode(node.parent); - } - } - } - BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; - })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); -})(ts || (ts = {})); -// -// Copyright (c) Microsoft Corporation. All rights reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -// -/// -/* @internal */ -var debugObjectHost = this; -// We need to use 'null' to interface with the managed side. -/* tslint:disable:no-null */ -/* tslint:disable:no-in-operator */ -/* @internal */ -var ts; -(function (ts) { - function logInternalError(logger, err) { - if (logger) { - logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); - } - } - var ScriptSnapshotShimAdapter = (function () { - function ScriptSnapshotShimAdapter(scriptSnapshotShim) { - this.scriptSnapshotShim = scriptSnapshotShim; - } - ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { - return this.scriptSnapshotShim.getText(start, end); - }; - ScriptSnapshotShimAdapter.prototype.getLength = function () { - return this.scriptSnapshotShim.getLength(); - }; - ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { - var oldSnapshotShim = oldSnapshot; - var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); - // TODO: should this be '==='? - if (encoded == null) { - return null; - } - var decoded = JSON.parse(encoded); - return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); - }; - ScriptSnapshotShimAdapter.prototype.dispose = function () { - // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments - // 'in' does not have this effect - if ("dispose" in this.scriptSnapshotShim) { - this.scriptSnapshotShim.dispose(); - } - }; - return ScriptSnapshotShimAdapter; - }()); - var LanguageServiceShimHostAdapter = (function () { - function LanguageServiceShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.loggingEnabled = false; - this.tracingEnabled = false; - // if shimHost is a COM object then property check will become method call with no arguments. - // 'in' does not have this effect. - if ("getModuleResolutionsForFile" in this.shimHost) { - this.resolveModuleNames = function (moduleNames, containingFile) { - var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); - return ts.map(moduleNames, function (name) { - var result = ts.lookUp(resolutionsInFile, name); - return result ? { resolvedFileName: result } : undefined; - }); - }; - } - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - LanguageServiceShimHostAdapter.prototype.log = function (s) { - if (this.loggingEnabled) { - this.shimHost.log(s); - } - }; - LanguageServiceShimHostAdapter.prototype.trace = function (s) { - if (this.tracingEnabled) { - this.shimHost.trace(s); - } - }; - LanguageServiceShimHostAdapter.prototype.error = function (s) { - this.shimHost.error(s); - }; - LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { - if (!this.shimHost.getProjectVersion) { - // shimmed host does not support getProjectVersion - return undefined; - } - return this.shimHost.getProjectVersion(); - }; - LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { - return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; - }; - LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { - var settingsJson = this.shimHost.getCompilationSettings(); - // TODO: should this be '==='? - if (settingsJson == null || settingsJson == "") { - throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); - } - return JSON.parse(settingsJson); - }; - LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { - var encoded = this.shimHost.getScriptFileNames(); - return this.files = JSON.parse(encoded); - }; - LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { - var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); - return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); - }; - LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { - return this.shimHost.getScriptVersion(fileName); - }; - LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { - var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); - if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { - return null; - } - try { - return JSON.parse(diagnosticMessagesJson); - } - catch (e) { - this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); - return null; - } - }; - LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { - var hostCancellationToken = this.shimHost.getCancellationToken(); - return new ThrottledCancellationToken(hostCancellationToken); - }; - LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { - return this.shimHost.getCurrentDirectory(); - }; - LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { - return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); - }; - return LanguageServiceShimHostAdapter; - }()); - ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; - /** A cancellation that throttles calls to the host */ - var ThrottledCancellationToken = (function () { - function ThrottledCancellationToken(hostCancellationToken) { - this.hostCancellationToken = hostCancellationToken; - // Store when we last tried to cancel. Checking cancellation can be expensive (as we have - // to marshall over to the host layer). So we only bother actually checking once enough - // time has passed. - this.lastCancellationCheckTime = 0; - } - ThrottledCancellationToken.prototype.isCancellationRequested = function () { - var time = Date.now(); - var duration = Math.abs(time - this.lastCancellationCheckTime); - if (duration > 10) { - // Check no more than once every 10 ms. - this.lastCancellationCheckTime = time; - return this.hostCancellationToken.isCancellationRequested(); - } - return false; - }; - return ThrottledCancellationToken; - }()); - var CoreServicesShimHostAdapter = (function () { - function CoreServicesShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { - var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); - return JSON.parse(encoded); - }; - CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { - return this.shimHost.fileExists(fileName); - }; - CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { - return this.shimHost.readFile(fileName); - }; - return CoreServicesShimHostAdapter; - }()); - ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; - function simpleForwardCall(logger, actionDescription, action, logPerformance) { - var start; - if (logPerformance) { - logger.log(actionDescription); - start = Date.now(); - } - var result = action(); - if (logPerformance) { - var end = Date.now(); - logger.log(actionDescription + " completed in " + (end - start) + " msec"); - if (typeof result === "string") { - var str = result; - if (str.length > 128) { - str = str.substring(0, 128) + "..."; - } - logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); - } - } - return result; - } - function forwardJSONCall(logger, actionDescription, action, logPerformance) { - try { - var result = simpleForwardCall(logger, actionDescription, action, logPerformance); - return JSON.stringify({ result: result }); - } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - return JSON.stringify({ canceled: true }); - } - logInternalError(logger, err); - err.description = actionDescription; - return JSON.stringify({ error: err }); - } - } - var ShimBase = (function () { - function ShimBase(factory) { - this.factory = factory; - factory.registerShim(this); - } - ShimBase.prototype.dispose = function (dummy) { - this.factory.unregisterShim(this); - }; - return ShimBase; - }()); - function realizeDiagnostics(diagnostics, newLine) { - return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); - } - ts.realizeDiagnostics = realizeDiagnostics; - function realizeDiagnostic(diagnostic, newLine) { - return { - message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), - start: diagnostic.start, - length: diagnostic.length, - /// TODO: no need for the tolowerCase call - category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), - code: diagnostic.code - }; - } - var LanguageServiceShimObject = (function (_super) { - __extends(LanguageServiceShimObject, _super); - function LanguageServiceShimObject(factory, host, languageService) { - _super.call(this, factory); - this.host = host; - this.languageService = languageService; - this.logPerformance = false; - this.logger = this.host; - } - LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - /// DISPOSE - /** - * Ensure (almost) deterministic release of internal Javascript resources when - * some external native objects holds onto us (e.g. Com/Interop). - */ - LanguageServiceShimObject.prototype.dispose = function (dummy) { - this.logger.log("dispose()"); - this.languageService.dispose(); - this.languageService = null; - // force a GC - if (debugObjectHost && debugObjectHost.CollectGarbage) { - debugObjectHost.CollectGarbage(); - this.logger.log("CollectGarbage()"); - } - this.logger = null; - _super.prototype.dispose.call(this, dummy); - }; - /// REFRESH - /** - * Update the list of scripts known to the compiler - */ - LanguageServiceShimObject.prototype.refresh = function (throwOnError) { - this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); - }; - LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { - var _this = this; - this.forwardJSONCall("cleanupSemanticCache()", function () { - _this.languageService.cleanupSemanticCache(); - return null; - }); - }; - LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { - var newLine = ts.getNewLineOrDefaultFromHost(this.host); - return ts.realizeDiagnostics(diagnostics, newLine); - }; - LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", - // directly serialize the spans out to a string. This is much faster to decode - // on the managed side versus a full JSON array. - function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", - // directly serialize the spans out to a string. This is much faster to decode - // on the managed side versus a full JSON array. - function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { - var _this = this; - return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { - var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); - return _this.realizeDiagnostics(diagnostics); - }); - }; - /// QUICKINFO - /** - * Computes a string representation of the type at the requested position - * in the active file. - */ - LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); - }; - /// NAMEORDOTTEDNAMESPAN - /** - * Computes span information of the name or dotted name at the requested position - * in the active file. - */ - LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { - var _this = this; - return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); - }; - /** - * STATEMENTSPAN - * Computes span information of statement at the requested position in the active file. - */ - LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); - }; - /// SIGNATUREHELP - LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); - }; - /// GOTO DEFINITION - /** - * Computes the definition location and file for the symbol - * at the requested position. - */ - LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); - }; - /// GOTO Type - /** - * Computes the definition location of the type of the symbol - * at the requested position. - */ - LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { - var _this = this; - return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); - }; - /// GET BRACE MATCHING - LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); - }; - /// GET SMART INDENT - LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) { - var _this = this; - return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); - }); - }; - /// GET REFERENCES - LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { - var _this = this; - return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { - var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); - // workaround for VS document higlighting issue - keep only items from the initial file - var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); - return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); - }); - }; - /// COMPLETION LISTS - /** - * Get a string based representation of the completions - * to provide at the given source position and providing a member completion - * list if requested. - */ - LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); - }; - /** Get a string based representation of a completion list entry details */ - LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { - var _this = this; - return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); - }; - /// NAVIGATE TO - /** Return a list of symbols that are interesting to navigate to */ - LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { - var _this = this; - return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); - }; - LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); - }; - LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { - var _this = this; - return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); - }; - LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { - var _this = this; - return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); - }; - /// Emit - LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { - var _this = this; - return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); - }; - return LanguageServiceShimObject; - }(ShimBase)); - function convertClassifications(classifications) { - return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; - } - var ClassifierShimObject = (function (_super) { - __extends(ClassifierShimObject, _super); - function ClassifierShimObject(factory, logger) { - _super.call(this, factory); - this.logger = logger; - this.logPerformance = false; - this.classifier = ts.createClassifier(); - } - ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { - var _this = this; - return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); - }; - /// COLORIZATION - ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { - var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); - var result = ""; - for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { - var item = _a[_i]; - result += item.length + "\n"; - result += item.classification + "\n"; - } - result += classification.finalLexState; - return result; - }; - return ClassifierShimObject; - }(ShimBase)); - var CoreServicesShimObject = (function (_super) { - __extends(CoreServicesShimObject, _super); - function CoreServicesShimObject(factory, logger, host) { - _super.call(this, factory); - this.logger = logger; - this.host = host; - this.logPerformance = false; - } - CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { - return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { - // for now treat files as JavaScript - var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true); - var convertResult = { - referencedFiles: [], - importedFiles: [], - ambientExternalModules: result.ambientExternalModules, - isLibFile: result.isLibFile - }; - ts.forEach(result.referencedFiles, function (refFile) { - convertResult.referencedFiles.push({ - path: ts.normalizePath(refFile.fileName), - position: refFile.pos, - length: refFile.end - refFile.pos - }); - }); - ts.forEach(result.importedFiles, function (importedFile) { - convertResult.importedFiles.push({ - path: ts.normalizeSlashes(importedFile.fileName), - position: importedFile.pos, - length: importedFile.end - importedFile.pos - }); - }); - return convertResult; - }); - }; - CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { - var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); - var result = ts.parseConfigFileTextToJson(fileName, text); - if (result.error) { - return { - options: {}, - files: [], - errors: [realizeDiagnostic(result.error, "\r\n")] - }; - } - var normalizedFileName = ts.normalizeSlashes(fileName); - var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName); - return { - options: configFile.options, - files: configFile.fileNames, - errors: realizeDiagnostics(configFile.errors, "\r\n") - }; - }); - }; - CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { - return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); - }; - return CoreServicesShimObject; - }(ShimBase)); - var TypeScriptServicesFactory = (function () { - function TypeScriptServicesFactory() { - this._shims = []; - } - /* - * Returns script API version. - */ - TypeScriptServicesFactory.prototype.getServicesVersion = function () { - return ts.servicesVersion; - }; - TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { - try { - if (this.documentRegistry === undefined) { - this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); - } - var hostAdapter = new LanguageServiceShimHostAdapter(host); - var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); - return new LanguageServiceShimObject(this, host, languageService); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { - try { - return new ClassifierShimObject(this, logger); - } - catch (err) { - logInternalError(logger, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { - try { - var adapter = new CoreServicesShimHostAdapter(host); - return new CoreServicesShimObject(this, host, adapter); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.close = function () { - // Forget all the registered shims - this._shims = []; - this.documentRegistry = undefined; - }; - TypeScriptServicesFactory.prototype.registerShim = function (shim) { - this._shims.push(shim); - }; - TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { - for (var i = 0, n = this._shims.length; i < n; i++) { - if (this._shims[i] === shim) { - delete this._shims[i]; - return; - } - } - throw new Error("Invalid operation"); - }; - return TypeScriptServicesFactory; - }()); - ts.TypeScriptServicesFactory = TypeScriptServicesFactory; - if (typeof module !== "undefined" && module.exports) { - module.exports = ts; - } -})(ts || (ts = {})); -/* tslint:enable:no-in-operator */ -/* tslint:enable:no-null */ -/// TODO: this is used by VS, clean this up on both sides of the interface -/* @internal */ -var TypeScript; -(function (TypeScript) { - var Services; - (function (Services) { - Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; - })(Services = TypeScript.Services || (TypeScript.Services = {})); -})(TypeScript || (TypeScript = {})); -/* tslint:disable:no-unused-variable */ -// 'toolsVersion' gets consumed by the managed side, so it's not unused. -// TODO: it should be moved into a namespace though. -/* @internal */ -var toolsVersion = "1.8"; -/* tslint:enable:no-unused-variable */ +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var ts; +(function (ts) { + // token > SyntaxKind.Identifer => token is a keyword + // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync + (function (SyntaxKind) { + SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; + SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; + SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; + SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; + SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; + SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; + // We detect and preserve #! on the first line + SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; + // We detect and provide better error recovery when we encounter a git merge marker. This + // allows us to edit files with git-conflict markers in them in a much more pleasant manner. + SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; + // Literals + SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; + SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; + SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 10] = "RegularExpressionLiteral"; + SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 11] = "NoSubstitutionTemplateLiteral"; + // Pseudo-literals + SyntaxKind[SyntaxKind["TemplateHead"] = 12] = "TemplateHead"; + SyntaxKind[SyntaxKind["TemplateMiddle"] = 13] = "TemplateMiddle"; + SyntaxKind[SyntaxKind["TemplateTail"] = 14] = "TemplateTail"; + // Punctuation + SyntaxKind[SyntaxKind["OpenBraceToken"] = 15] = "OpenBraceToken"; + SyntaxKind[SyntaxKind["CloseBraceToken"] = 16] = "CloseBraceToken"; + SyntaxKind[SyntaxKind["OpenParenToken"] = 17] = "OpenParenToken"; + SyntaxKind[SyntaxKind["CloseParenToken"] = 18] = "CloseParenToken"; + SyntaxKind[SyntaxKind["OpenBracketToken"] = 19] = "OpenBracketToken"; + SyntaxKind[SyntaxKind["CloseBracketToken"] = 20] = "CloseBracketToken"; + SyntaxKind[SyntaxKind["DotToken"] = 21] = "DotToken"; + SyntaxKind[SyntaxKind["DotDotDotToken"] = 22] = "DotDotDotToken"; + SyntaxKind[SyntaxKind["SemicolonToken"] = 23] = "SemicolonToken"; + SyntaxKind[SyntaxKind["CommaToken"] = 24] = "CommaToken"; + SyntaxKind[SyntaxKind["LessThanToken"] = 25] = "LessThanToken"; + SyntaxKind[SyntaxKind["LessThanSlashToken"] = 26] = "LessThanSlashToken"; + SyntaxKind[SyntaxKind["GreaterThanToken"] = 27] = "GreaterThanToken"; + SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 28] = "LessThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 29] = "GreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 30] = "EqualsEqualsToken"; + SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 31] = "ExclamationEqualsToken"; + SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 32] = "EqualsEqualsEqualsToken"; + SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 33] = "ExclamationEqualsEqualsToken"; + SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 34] = "EqualsGreaterThanToken"; + SyntaxKind[SyntaxKind["PlusToken"] = 35] = "PlusToken"; + SyntaxKind[SyntaxKind["MinusToken"] = 36] = "MinusToken"; + SyntaxKind[SyntaxKind["AsteriskToken"] = 37] = "AsteriskToken"; + SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 38] = "AsteriskAsteriskToken"; + SyntaxKind[SyntaxKind["SlashToken"] = 39] = "SlashToken"; + SyntaxKind[SyntaxKind["PercentToken"] = 40] = "PercentToken"; + SyntaxKind[SyntaxKind["PlusPlusToken"] = 41] = "PlusPlusToken"; + SyntaxKind[SyntaxKind["MinusMinusToken"] = 42] = "MinusMinusToken"; + SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 43] = "LessThanLessThanToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 44] = "GreaterThanGreaterThanToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanGreaterThanToken"; + SyntaxKind[SyntaxKind["AmpersandToken"] = 46] = "AmpersandToken"; + SyntaxKind[SyntaxKind["BarToken"] = 47] = "BarToken"; + SyntaxKind[SyntaxKind["CaretToken"] = 48] = "CaretToken"; + SyntaxKind[SyntaxKind["ExclamationToken"] = 49] = "ExclamationToken"; + SyntaxKind[SyntaxKind["TildeToken"] = 50] = "TildeToken"; + SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 51] = "AmpersandAmpersandToken"; + SyntaxKind[SyntaxKind["BarBarToken"] = 52] = "BarBarToken"; + SyntaxKind[SyntaxKind["QuestionToken"] = 53] = "QuestionToken"; + SyntaxKind[SyntaxKind["ColonToken"] = 54] = "ColonToken"; + SyntaxKind[SyntaxKind["AtToken"] = 55] = "AtToken"; + // Assignments + SyntaxKind[SyntaxKind["EqualsToken"] = 56] = "EqualsToken"; + SyntaxKind[SyntaxKind["PlusEqualsToken"] = 57] = "PlusEqualsToken"; + SyntaxKind[SyntaxKind["MinusEqualsToken"] = 58] = "MinusEqualsToken"; + SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 59] = "AsteriskEqualsToken"; + SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 60] = "AsteriskAsteriskEqualsToken"; + SyntaxKind[SyntaxKind["SlashEqualsToken"] = 61] = "SlashEqualsToken"; + SyntaxKind[SyntaxKind["PercentEqualsToken"] = 62] = "PercentEqualsToken"; + SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 63] = "LessThanLessThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 64] = "GreaterThanGreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanGreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 66] = "AmpersandEqualsToken"; + SyntaxKind[SyntaxKind["BarEqualsToken"] = 67] = "BarEqualsToken"; + SyntaxKind[SyntaxKind["CaretEqualsToken"] = 68] = "CaretEqualsToken"; + // Identifiers + SyntaxKind[SyntaxKind["Identifier"] = 69] = "Identifier"; + // Reserved words + SyntaxKind[SyntaxKind["BreakKeyword"] = 70] = "BreakKeyword"; + SyntaxKind[SyntaxKind["CaseKeyword"] = 71] = "CaseKeyword"; + SyntaxKind[SyntaxKind["CatchKeyword"] = 72] = "CatchKeyword"; + SyntaxKind[SyntaxKind["ClassKeyword"] = 73] = "ClassKeyword"; + SyntaxKind[SyntaxKind["ConstKeyword"] = 74] = "ConstKeyword"; + SyntaxKind[SyntaxKind["ContinueKeyword"] = 75] = "ContinueKeyword"; + SyntaxKind[SyntaxKind["DebuggerKeyword"] = 76] = "DebuggerKeyword"; + SyntaxKind[SyntaxKind["DefaultKeyword"] = 77] = "DefaultKeyword"; + SyntaxKind[SyntaxKind["DeleteKeyword"] = 78] = "DeleteKeyword"; + SyntaxKind[SyntaxKind["DoKeyword"] = 79] = "DoKeyword"; + SyntaxKind[SyntaxKind["ElseKeyword"] = 80] = "ElseKeyword"; + SyntaxKind[SyntaxKind["EnumKeyword"] = 81] = "EnumKeyword"; + SyntaxKind[SyntaxKind["ExportKeyword"] = 82] = "ExportKeyword"; + SyntaxKind[SyntaxKind["ExtendsKeyword"] = 83] = "ExtendsKeyword"; + SyntaxKind[SyntaxKind["FalseKeyword"] = 84] = "FalseKeyword"; + SyntaxKind[SyntaxKind["FinallyKeyword"] = 85] = "FinallyKeyword"; + SyntaxKind[SyntaxKind["ForKeyword"] = 86] = "ForKeyword"; + SyntaxKind[SyntaxKind["FunctionKeyword"] = 87] = "FunctionKeyword"; + SyntaxKind[SyntaxKind["IfKeyword"] = 88] = "IfKeyword"; + SyntaxKind[SyntaxKind["ImportKeyword"] = 89] = "ImportKeyword"; + SyntaxKind[SyntaxKind["InKeyword"] = 90] = "InKeyword"; + SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 91] = "InstanceOfKeyword"; + SyntaxKind[SyntaxKind["NewKeyword"] = 92] = "NewKeyword"; + SyntaxKind[SyntaxKind["NullKeyword"] = 93] = "NullKeyword"; + SyntaxKind[SyntaxKind["ReturnKeyword"] = 94] = "ReturnKeyword"; + SyntaxKind[SyntaxKind["SuperKeyword"] = 95] = "SuperKeyword"; + SyntaxKind[SyntaxKind["SwitchKeyword"] = 96] = "SwitchKeyword"; + SyntaxKind[SyntaxKind["ThisKeyword"] = 97] = "ThisKeyword"; + SyntaxKind[SyntaxKind["ThrowKeyword"] = 98] = "ThrowKeyword"; + SyntaxKind[SyntaxKind["TrueKeyword"] = 99] = "TrueKeyword"; + SyntaxKind[SyntaxKind["TryKeyword"] = 100] = "TryKeyword"; + SyntaxKind[SyntaxKind["TypeOfKeyword"] = 101] = "TypeOfKeyword"; + SyntaxKind[SyntaxKind["VarKeyword"] = 102] = "VarKeyword"; + SyntaxKind[SyntaxKind["VoidKeyword"] = 103] = "VoidKeyword"; + SyntaxKind[SyntaxKind["WhileKeyword"] = 104] = "WhileKeyword"; + SyntaxKind[SyntaxKind["WithKeyword"] = 105] = "WithKeyword"; + // Strict mode reserved words + SyntaxKind[SyntaxKind["ImplementsKeyword"] = 106] = "ImplementsKeyword"; + SyntaxKind[SyntaxKind["InterfaceKeyword"] = 107] = "InterfaceKeyword"; + SyntaxKind[SyntaxKind["LetKeyword"] = 108] = "LetKeyword"; + SyntaxKind[SyntaxKind["PackageKeyword"] = 109] = "PackageKeyword"; + SyntaxKind[SyntaxKind["PrivateKeyword"] = 110] = "PrivateKeyword"; + SyntaxKind[SyntaxKind["ProtectedKeyword"] = 111] = "ProtectedKeyword"; + SyntaxKind[SyntaxKind["PublicKeyword"] = 112] = "PublicKeyword"; + SyntaxKind[SyntaxKind["StaticKeyword"] = 113] = "StaticKeyword"; + SyntaxKind[SyntaxKind["YieldKeyword"] = 114] = "YieldKeyword"; + // Contextual keywords + SyntaxKind[SyntaxKind["AbstractKeyword"] = 115] = "AbstractKeyword"; + SyntaxKind[SyntaxKind["AsKeyword"] = 116] = "AsKeyword"; + SyntaxKind[SyntaxKind["AnyKeyword"] = 117] = "AnyKeyword"; + SyntaxKind[SyntaxKind["AsyncKeyword"] = 118] = "AsyncKeyword"; + SyntaxKind[SyntaxKind["AwaitKeyword"] = 119] = "AwaitKeyword"; + SyntaxKind[SyntaxKind["BooleanKeyword"] = 120] = "BooleanKeyword"; + SyntaxKind[SyntaxKind["ConstructorKeyword"] = 121] = "ConstructorKeyword"; + SyntaxKind[SyntaxKind["DeclareKeyword"] = 122] = "DeclareKeyword"; + SyntaxKind[SyntaxKind["GetKeyword"] = 123] = "GetKeyword"; + SyntaxKind[SyntaxKind["IsKeyword"] = 124] = "IsKeyword"; + SyntaxKind[SyntaxKind["ModuleKeyword"] = 125] = "ModuleKeyword"; + SyntaxKind[SyntaxKind["NamespaceKeyword"] = 126] = "NamespaceKeyword"; + SyntaxKind[SyntaxKind["RequireKeyword"] = 127] = "RequireKeyword"; + SyntaxKind[SyntaxKind["NumberKeyword"] = 128] = "NumberKeyword"; + SyntaxKind[SyntaxKind["SetKeyword"] = 129] = "SetKeyword"; + SyntaxKind[SyntaxKind["StringKeyword"] = 130] = "StringKeyword"; + SyntaxKind[SyntaxKind["SymbolKeyword"] = 131] = "SymbolKeyword"; + SyntaxKind[SyntaxKind["TypeKeyword"] = 132] = "TypeKeyword"; + SyntaxKind[SyntaxKind["FromKeyword"] = 133] = "FromKeyword"; + SyntaxKind[SyntaxKind["GlobalKeyword"] = 134] = "GlobalKeyword"; + SyntaxKind[SyntaxKind["OfKeyword"] = 135] = "OfKeyword"; + // Parse tree nodes + // Names + SyntaxKind[SyntaxKind["QualifiedName"] = 136] = "QualifiedName"; + SyntaxKind[SyntaxKind["ComputedPropertyName"] = 137] = "ComputedPropertyName"; + // Signature elements + SyntaxKind[SyntaxKind["TypeParameter"] = 138] = "TypeParameter"; + SyntaxKind[SyntaxKind["Parameter"] = 139] = "Parameter"; + SyntaxKind[SyntaxKind["Decorator"] = 140] = "Decorator"; + // TypeMember + SyntaxKind[SyntaxKind["PropertySignature"] = 141] = "PropertySignature"; + SyntaxKind[SyntaxKind["PropertyDeclaration"] = 142] = "PropertyDeclaration"; + SyntaxKind[SyntaxKind["MethodSignature"] = 143] = "MethodSignature"; + SyntaxKind[SyntaxKind["MethodDeclaration"] = 144] = "MethodDeclaration"; + SyntaxKind[SyntaxKind["Constructor"] = 145] = "Constructor"; + SyntaxKind[SyntaxKind["GetAccessor"] = 146] = "GetAccessor"; + SyntaxKind[SyntaxKind["SetAccessor"] = 147] = "SetAccessor"; + SyntaxKind[SyntaxKind["CallSignature"] = 148] = "CallSignature"; + SyntaxKind[SyntaxKind["ConstructSignature"] = 149] = "ConstructSignature"; + SyntaxKind[SyntaxKind["IndexSignature"] = 150] = "IndexSignature"; + // Type + SyntaxKind[SyntaxKind["TypePredicate"] = 151] = "TypePredicate"; + SyntaxKind[SyntaxKind["TypeReference"] = 152] = "TypeReference"; + SyntaxKind[SyntaxKind["FunctionType"] = 153] = "FunctionType"; + SyntaxKind[SyntaxKind["ConstructorType"] = 154] = "ConstructorType"; + SyntaxKind[SyntaxKind["TypeQuery"] = 155] = "TypeQuery"; + SyntaxKind[SyntaxKind["TypeLiteral"] = 156] = "TypeLiteral"; + SyntaxKind[SyntaxKind["ArrayType"] = 157] = "ArrayType"; + SyntaxKind[SyntaxKind["TupleType"] = 158] = "TupleType"; + SyntaxKind[SyntaxKind["UnionType"] = 159] = "UnionType"; + SyntaxKind[SyntaxKind["IntersectionType"] = 160] = "IntersectionType"; + SyntaxKind[SyntaxKind["ParenthesizedType"] = 161] = "ParenthesizedType"; + SyntaxKind[SyntaxKind["ThisType"] = 162] = "ThisType"; + SyntaxKind[SyntaxKind["StringLiteralType"] = 163] = "StringLiteralType"; + // Binding patterns + SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 164] = "ObjectBindingPattern"; + SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 165] = "ArrayBindingPattern"; + SyntaxKind[SyntaxKind["BindingElement"] = 166] = "BindingElement"; + // Expression + SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 167] = "ArrayLiteralExpression"; + SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 168] = "ObjectLiteralExpression"; + SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 169] = "PropertyAccessExpression"; + SyntaxKind[SyntaxKind["ElementAccessExpression"] = 170] = "ElementAccessExpression"; + SyntaxKind[SyntaxKind["CallExpression"] = 171] = "CallExpression"; + SyntaxKind[SyntaxKind["NewExpression"] = 172] = "NewExpression"; + SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 173] = "TaggedTemplateExpression"; + SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 174] = "TypeAssertionExpression"; + SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 175] = "ParenthesizedExpression"; + SyntaxKind[SyntaxKind["FunctionExpression"] = 176] = "FunctionExpression"; + SyntaxKind[SyntaxKind["ArrowFunction"] = 177] = "ArrowFunction"; + SyntaxKind[SyntaxKind["DeleteExpression"] = 178] = "DeleteExpression"; + SyntaxKind[SyntaxKind["TypeOfExpression"] = 179] = "TypeOfExpression"; + SyntaxKind[SyntaxKind["VoidExpression"] = 180] = "VoidExpression"; + SyntaxKind[SyntaxKind["AwaitExpression"] = 181] = "AwaitExpression"; + SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 182] = "PrefixUnaryExpression"; + SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 183] = "PostfixUnaryExpression"; + SyntaxKind[SyntaxKind["BinaryExpression"] = 184] = "BinaryExpression"; + SyntaxKind[SyntaxKind["ConditionalExpression"] = 185] = "ConditionalExpression"; + SyntaxKind[SyntaxKind["TemplateExpression"] = 186] = "TemplateExpression"; + SyntaxKind[SyntaxKind["YieldExpression"] = 187] = "YieldExpression"; + SyntaxKind[SyntaxKind["SpreadElementExpression"] = 188] = "SpreadElementExpression"; + SyntaxKind[SyntaxKind["ClassExpression"] = 189] = "ClassExpression"; + SyntaxKind[SyntaxKind["OmittedExpression"] = 190] = "OmittedExpression"; + SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 191] = "ExpressionWithTypeArguments"; + SyntaxKind[SyntaxKind["AsExpression"] = 192] = "AsExpression"; + // Misc + SyntaxKind[SyntaxKind["TemplateSpan"] = 193] = "TemplateSpan"; + SyntaxKind[SyntaxKind["SemicolonClassElement"] = 194] = "SemicolonClassElement"; + // Element + SyntaxKind[SyntaxKind["Block"] = 195] = "Block"; + SyntaxKind[SyntaxKind["VariableStatement"] = 196] = "VariableStatement"; + SyntaxKind[SyntaxKind["EmptyStatement"] = 197] = "EmptyStatement"; + SyntaxKind[SyntaxKind["ExpressionStatement"] = 198] = "ExpressionStatement"; + SyntaxKind[SyntaxKind["IfStatement"] = 199] = "IfStatement"; + SyntaxKind[SyntaxKind["DoStatement"] = 200] = "DoStatement"; + SyntaxKind[SyntaxKind["WhileStatement"] = 201] = "WhileStatement"; + SyntaxKind[SyntaxKind["ForStatement"] = 202] = "ForStatement"; + SyntaxKind[SyntaxKind["ForInStatement"] = 203] = "ForInStatement"; + SyntaxKind[SyntaxKind["ForOfStatement"] = 204] = "ForOfStatement"; + SyntaxKind[SyntaxKind["ContinueStatement"] = 205] = "ContinueStatement"; + SyntaxKind[SyntaxKind["BreakStatement"] = 206] = "BreakStatement"; + SyntaxKind[SyntaxKind["ReturnStatement"] = 207] = "ReturnStatement"; + SyntaxKind[SyntaxKind["WithStatement"] = 208] = "WithStatement"; + SyntaxKind[SyntaxKind["SwitchStatement"] = 209] = "SwitchStatement"; + SyntaxKind[SyntaxKind["LabeledStatement"] = 210] = "LabeledStatement"; + SyntaxKind[SyntaxKind["ThrowStatement"] = 211] = "ThrowStatement"; + SyntaxKind[SyntaxKind["TryStatement"] = 212] = "TryStatement"; + SyntaxKind[SyntaxKind["DebuggerStatement"] = 213] = "DebuggerStatement"; + SyntaxKind[SyntaxKind["VariableDeclaration"] = 214] = "VariableDeclaration"; + SyntaxKind[SyntaxKind["VariableDeclarationList"] = 215] = "VariableDeclarationList"; + SyntaxKind[SyntaxKind["FunctionDeclaration"] = 216] = "FunctionDeclaration"; + SyntaxKind[SyntaxKind["ClassDeclaration"] = 217] = "ClassDeclaration"; + SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 218] = "InterfaceDeclaration"; + SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 219] = "TypeAliasDeclaration"; + SyntaxKind[SyntaxKind["EnumDeclaration"] = 220] = "EnumDeclaration"; + SyntaxKind[SyntaxKind["ModuleDeclaration"] = 221] = "ModuleDeclaration"; + SyntaxKind[SyntaxKind["ModuleBlock"] = 222] = "ModuleBlock"; + SyntaxKind[SyntaxKind["CaseBlock"] = 223] = "CaseBlock"; + SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 224] = "ImportEqualsDeclaration"; + SyntaxKind[SyntaxKind["ImportDeclaration"] = 225] = "ImportDeclaration"; + SyntaxKind[SyntaxKind["ImportClause"] = 226] = "ImportClause"; + SyntaxKind[SyntaxKind["NamespaceImport"] = 227] = "NamespaceImport"; + SyntaxKind[SyntaxKind["NamedImports"] = 228] = "NamedImports"; + SyntaxKind[SyntaxKind["ImportSpecifier"] = 229] = "ImportSpecifier"; + SyntaxKind[SyntaxKind["ExportAssignment"] = 230] = "ExportAssignment"; + SyntaxKind[SyntaxKind["ExportDeclaration"] = 231] = "ExportDeclaration"; + SyntaxKind[SyntaxKind["NamedExports"] = 232] = "NamedExports"; + SyntaxKind[SyntaxKind["ExportSpecifier"] = 233] = "ExportSpecifier"; + SyntaxKind[SyntaxKind["MissingDeclaration"] = 234] = "MissingDeclaration"; + // Module references + SyntaxKind[SyntaxKind["ExternalModuleReference"] = 235] = "ExternalModuleReference"; + // JSX + SyntaxKind[SyntaxKind["JsxElement"] = 236] = "JsxElement"; + SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 237] = "JsxSelfClosingElement"; + SyntaxKind[SyntaxKind["JsxOpeningElement"] = 238] = "JsxOpeningElement"; + SyntaxKind[SyntaxKind["JsxText"] = 239] = "JsxText"; + SyntaxKind[SyntaxKind["JsxClosingElement"] = 240] = "JsxClosingElement"; + SyntaxKind[SyntaxKind["JsxAttribute"] = 241] = "JsxAttribute"; + SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 242] = "JsxSpreadAttribute"; + SyntaxKind[SyntaxKind["JsxExpression"] = 243] = "JsxExpression"; + // Clauses + SyntaxKind[SyntaxKind["CaseClause"] = 244] = "CaseClause"; + SyntaxKind[SyntaxKind["DefaultClause"] = 245] = "DefaultClause"; + SyntaxKind[SyntaxKind["HeritageClause"] = 246] = "HeritageClause"; + SyntaxKind[SyntaxKind["CatchClause"] = 247] = "CatchClause"; + // Property assignments + SyntaxKind[SyntaxKind["PropertyAssignment"] = 248] = "PropertyAssignment"; + SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 249] = "ShorthandPropertyAssignment"; + // Enum + SyntaxKind[SyntaxKind["EnumMember"] = 250] = "EnumMember"; + // Top-level nodes + SyntaxKind[SyntaxKind["SourceFile"] = 251] = "SourceFile"; + // JSDoc nodes + SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 252] = "JSDocTypeExpression"; + // The * type + SyntaxKind[SyntaxKind["JSDocAllType"] = 253] = "JSDocAllType"; + // The ? type + SyntaxKind[SyntaxKind["JSDocUnknownType"] = 254] = "JSDocUnknownType"; + SyntaxKind[SyntaxKind["JSDocArrayType"] = 255] = "JSDocArrayType"; + SyntaxKind[SyntaxKind["JSDocUnionType"] = 256] = "JSDocUnionType"; + SyntaxKind[SyntaxKind["JSDocTupleType"] = 257] = "JSDocTupleType"; + SyntaxKind[SyntaxKind["JSDocNullableType"] = 258] = "JSDocNullableType"; + SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 259] = "JSDocNonNullableType"; + SyntaxKind[SyntaxKind["JSDocRecordType"] = 260] = "JSDocRecordType"; + SyntaxKind[SyntaxKind["JSDocRecordMember"] = 261] = "JSDocRecordMember"; + SyntaxKind[SyntaxKind["JSDocTypeReference"] = 262] = "JSDocTypeReference"; + SyntaxKind[SyntaxKind["JSDocOptionalType"] = 263] = "JSDocOptionalType"; + SyntaxKind[SyntaxKind["JSDocFunctionType"] = 264] = "JSDocFunctionType"; + SyntaxKind[SyntaxKind["JSDocVariadicType"] = 265] = "JSDocVariadicType"; + SyntaxKind[SyntaxKind["JSDocConstructorType"] = 266] = "JSDocConstructorType"; + SyntaxKind[SyntaxKind["JSDocThisType"] = 267] = "JSDocThisType"; + SyntaxKind[SyntaxKind["JSDocComment"] = 268] = "JSDocComment"; + SyntaxKind[SyntaxKind["JSDocTag"] = 269] = "JSDocTag"; + SyntaxKind[SyntaxKind["JSDocParameterTag"] = 270] = "JSDocParameterTag"; + SyntaxKind[SyntaxKind["JSDocReturnTag"] = 271] = "JSDocReturnTag"; + SyntaxKind[SyntaxKind["JSDocTypeTag"] = 272] = "JSDocTypeTag"; + SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 273] = "JSDocTemplateTag"; + // Synthesized list + SyntaxKind[SyntaxKind["SyntaxList"] = 274] = "SyntaxList"; + // Enum value count + SyntaxKind[SyntaxKind["Count"] = 275] = "Count"; + // Markers + SyntaxKind[SyntaxKind["FirstAssignment"] = 56] = "FirstAssignment"; + SyntaxKind[SyntaxKind["LastAssignment"] = 68] = "LastAssignment"; + SyntaxKind[SyntaxKind["FirstReservedWord"] = 70] = "FirstReservedWord"; + SyntaxKind[SyntaxKind["LastReservedWord"] = 105] = "LastReservedWord"; + SyntaxKind[SyntaxKind["FirstKeyword"] = 70] = "FirstKeyword"; + SyntaxKind[SyntaxKind["LastKeyword"] = 135] = "LastKeyword"; + SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 106] = "FirstFutureReservedWord"; + SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 114] = "LastFutureReservedWord"; + SyntaxKind[SyntaxKind["FirstTypeNode"] = 151] = "FirstTypeNode"; + SyntaxKind[SyntaxKind["LastTypeNode"] = 163] = "LastTypeNode"; + SyntaxKind[SyntaxKind["FirstPunctuation"] = 15] = "FirstPunctuation"; + SyntaxKind[SyntaxKind["LastPunctuation"] = 68] = "LastPunctuation"; + SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; + SyntaxKind[SyntaxKind["LastToken"] = 135] = "LastToken"; + SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; + SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; + SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; + SyntaxKind[SyntaxKind["LastLiteralToken"] = 11] = "LastLiteralToken"; + SyntaxKind[SyntaxKind["FirstTemplateToken"] = 11] = "FirstTemplateToken"; + SyntaxKind[SyntaxKind["LastTemplateToken"] = 14] = "LastTemplateToken"; + SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 25] = "FirstBinaryOperator"; + SyntaxKind[SyntaxKind["LastBinaryOperator"] = 68] = "LastBinaryOperator"; + SyntaxKind[SyntaxKind["FirstNode"] = 136] = "FirstNode"; + })(ts.SyntaxKind || (ts.SyntaxKind = {})); + var SyntaxKind = ts.SyntaxKind; + (function (NodeFlags) { + NodeFlags[NodeFlags["None"] = 0] = "None"; + NodeFlags[NodeFlags["Export"] = 2] = "Export"; + NodeFlags[NodeFlags["Ambient"] = 4] = "Ambient"; + NodeFlags[NodeFlags["Public"] = 8] = "Public"; + NodeFlags[NodeFlags["Private"] = 16] = "Private"; + NodeFlags[NodeFlags["Protected"] = 32] = "Protected"; + NodeFlags[NodeFlags["Static"] = 64] = "Static"; + NodeFlags[NodeFlags["Abstract"] = 128] = "Abstract"; + NodeFlags[NodeFlags["Async"] = 256] = "Async"; + NodeFlags[NodeFlags["Default"] = 512] = "Default"; + NodeFlags[NodeFlags["MultiLine"] = 1024] = "MultiLine"; + NodeFlags[NodeFlags["Synthetic"] = 2048] = "Synthetic"; + NodeFlags[NodeFlags["DeclarationFile"] = 4096] = "DeclarationFile"; + NodeFlags[NodeFlags["Let"] = 8192] = "Let"; + NodeFlags[NodeFlags["Const"] = 16384] = "Const"; + NodeFlags[NodeFlags["OctalLiteral"] = 32768] = "OctalLiteral"; + NodeFlags[NodeFlags["Namespace"] = 65536] = "Namespace"; + NodeFlags[NodeFlags["ExportContext"] = 131072] = "ExportContext"; + NodeFlags[NodeFlags["ContainsThis"] = 262144] = "ContainsThis"; + NodeFlags[NodeFlags["HasImplicitReturn"] = 524288] = "HasImplicitReturn"; + NodeFlags[NodeFlags["HasExplicitReturn"] = 1048576] = "HasExplicitReturn"; + NodeFlags[NodeFlags["GlobalAugmentation"] = 2097152] = "GlobalAugmentation"; + NodeFlags[NodeFlags["HasClassExtends"] = 4194304] = "HasClassExtends"; + NodeFlags[NodeFlags["HasDecorators"] = 8388608] = "HasDecorators"; + NodeFlags[NodeFlags["HasParamDecorators"] = 16777216] = "HasParamDecorators"; + NodeFlags[NodeFlags["HasAsyncFunctions"] = 33554432] = "HasAsyncFunctions"; + NodeFlags[NodeFlags["Modifier"] = 1022] = "Modifier"; + NodeFlags[NodeFlags["AccessibilityModifier"] = 56] = "AccessibilityModifier"; + NodeFlags[NodeFlags["BlockScoped"] = 24576] = "BlockScoped"; + NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 1572864] = "ReachabilityCheckFlags"; + NodeFlags[NodeFlags["EmitHelperFlags"] = 62914560] = "EmitHelperFlags"; + })(ts.NodeFlags || (ts.NodeFlags = {})); + var NodeFlags = ts.NodeFlags; + /* @internal */ + (function (ParserContextFlags) { + ParserContextFlags[ParserContextFlags["None"] = 0] = "None"; + // If this node was parsed in a context where 'in-expressions' are not allowed. + ParserContextFlags[ParserContextFlags["DisallowIn"] = 1] = "DisallowIn"; + // If this node was parsed in the 'yield' context created when parsing a generator. + ParserContextFlags[ParserContextFlags["Yield"] = 2] = "Yield"; + // If this node was parsed as part of a decorator + ParserContextFlags[ParserContextFlags["Decorator"] = 4] = "Decorator"; + // If this node was parsed in the 'await' context created when parsing an async function. + ParserContextFlags[ParserContextFlags["Await"] = 8] = "Await"; + // If the parser encountered an error when parsing the code that created this node. Note + // the parser only sets this directly on the node it creates right after encountering the + // error. + ParserContextFlags[ParserContextFlags["ThisNodeHasError"] = 16] = "ThisNodeHasError"; + // This node was parsed in a JavaScript file and can be processed differently. For example + // its type can be specified usign a JSDoc comment. + ParserContextFlags[ParserContextFlags["JavaScriptFile"] = 32] = "JavaScriptFile"; + // Context flags set directly by the parser. + ParserContextFlags[ParserContextFlags["ParserGeneratedFlags"] = 31] = "ParserGeneratedFlags"; + // Exclude these flags when parsing a Type + ParserContextFlags[ParserContextFlags["TypeExcludesFlags"] = 10] = "TypeExcludesFlags"; + // Context flags computed by aggregating child flags upwards. + // Used during incremental parsing to determine if this node or any of its children had an + // error. Computed only once and then cached. + ParserContextFlags[ParserContextFlags["ThisNodeOrAnySubNodesHasError"] = 64] = "ThisNodeOrAnySubNodesHasError"; + // Used to know if we've computed data from children and cached it in this node. + ParserContextFlags[ParserContextFlags["HasAggregatedChildData"] = 128] = "HasAggregatedChildData"; + })(ts.ParserContextFlags || (ts.ParserContextFlags = {})); + var ParserContextFlags = ts.ParserContextFlags; + (function (JsxFlags) { + JsxFlags[JsxFlags["None"] = 0] = "None"; + /** An element from a named property of the JSX.IntrinsicElements interface */ + JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; + /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ + JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; + /** An element backed by a class, class-like, or function value */ + JsxFlags[JsxFlags["ValueElement"] = 4] = "ValueElement"; + /** Element resolution failed */ + JsxFlags[JsxFlags["UnknownElement"] = 16] = "UnknownElement"; + JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; + })(ts.JsxFlags || (ts.JsxFlags = {})); + var JsxFlags = ts.JsxFlags; + /* @internal */ + (function (RelationComparisonResult) { + RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; + RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; + RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; + })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); + var RelationComparisonResult = ts.RelationComparisonResult; + var OperationCanceledException = (function () { + function OperationCanceledException() { + } + return OperationCanceledException; + }()); + ts.OperationCanceledException = OperationCanceledException; + /** Return code used by getEmitOutput function to indicate status of the function */ + (function (ExitStatus) { + // Compiler ran successfully. Either this was a simple do-nothing compilation (for example, + // when -version or -help was provided, or this was a normal compilation, no diagnostics + // were produced, and all outputs were generated successfully. + ExitStatus[ExitStatus["Success"] = 0] = "Success"; + // Diagnostics were produced and because of them no code was generated. + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; + // Diagnostics were produced and outputs were generated in spite of them. + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; + })(ts.ExitStatus || (ts.ExitStatus = {})); + var ExitStatus = ts.ExitStatus; + (function (TypeFormatFlags) { + TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; + TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; + TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; + TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; + TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; + TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; + TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; + TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; + TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; + })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); + var TypeFormatFlags = ts.TypeFormatFlags; + (function (SymbolFormatFlags) { + SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; + // Write symbols's type argument if it is instantiated symbol + // eg. class C { p: T } <-- Show p as C.p here + // var a: C; + // var p = a.p; <--- Here p is property of C so show it as C.p instead of just C.p + SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; + // Use only external alias information to get the symbol name in the given context + // eg. module m { export class c { } } import x = m.c; + // When this flag is specified m.c will be used to refer to the class instead of alias symbol x + SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; + })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); + var SymbolFormatFlags = ts.SymbolFormatFlags; + /* @internal */ + (function (SymbolAccessibility) { + SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; + SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; + SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; + })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); + var SymbolAccessibility = ts.SymbolAccessibility; + (function (TypePredicateKind) { + TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; + TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; + })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); + var TypePredicateKind = ts.TypePredicateKind; + /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator + * metadata */ + /* @internal */ + (function (TypeReferenceSerializationKind) { + TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; + // should be emitted using a safe fallback. + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; + // function that can be reached at runtime (e.g. a `class` + // declaration or a `var` declaration for the static side + // of a type, such as the global `Promise` type in lib.d.ts). + TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; + // with call signatures. + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; + })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); + var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; + (function (SymbolFlags) { + SymbolFlags[SymbolFlags["None"] = 0] = "None"; + SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; + SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; + SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; + SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; + SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; + SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; + SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; + SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; + SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; + SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; + SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; + SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; + SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; + SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; + SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; + SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; + SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; + SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; + SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; + SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; + SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; + SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; + SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; + SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; + SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; + SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; + SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; + SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; + SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; + SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; + SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; + SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; + SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; + SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; + SymbolFlags[SymbolFlags["Type"] = 793056] = "Type"; + SymbolFlags[SymbolFlags["Namespace"] = 1536] = "Namespace"; + SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; + SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; + // Variables can be redeclared, but can not redeclare a block-scoped declaration with the + // same name, or any other value that is not a variable, e.g. ValueModule or Class + SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; + // Block-scoped declarations are not allowed to be re-declared + // they can not merge with anything in the value space + SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; + SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; + SymbolFlags[SymbolFlags["PropertyExcludes"] = 107455] = "PropertyExcludes"; + SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 107455] = "EnumMemberExcludes"; + SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; + SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; + SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792960] = "InterfaceExcludes"; + SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; + SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; + SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; + SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; + SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; + SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; + SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; + SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530912] = "TypeParameterExcludes"; + SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793056] = "TypeAliasExcludes"; + SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; + SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; + SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; + SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; + SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; + SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; + SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; + SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; + /* @internal */ + // The set of things we consider semantically classifiable. Used to speed up the LS during + // classification. + SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; + })(ts.SymbolFlags || (ts.SymbolFlags = {})); + var SymbolFlags = ts.SymbolFlags; + /* @internal */ + (function (NodeCheckFlags) { + NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; + NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; + NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; + NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; + NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; + NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; + NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; + NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; + NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; + // Values for enum members have been computed, and any errors have been reported for them. + NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; + NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; + NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; + NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; + NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; + NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; + NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; + NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; + })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); + var NodeCheckFlags = ts.NodeCheckFlags; + (function (TypeFlags) { + TypeFlags[TypeFlags["Any"] = 1] = "Any"; + TypeFlags[TypeFlags["String"] = 2] = "String"; + TypeFlags[TypeFlags["Number"] = 4] = "Number"; + TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; + TypeFlags[TypeFlags["Void"] = 16] = "Void"; + TypeFlags[TypeFlags["Undefined"] = 32] = "Undefined"; + TypeFlags[TypeFlags["Null"] = 64] = "Null"; + TypeFlags[TypeFlags["Enum"] = 128] = "Enum"; + TypeFlags[TypeFlags["StringLiteral"] = 256] = "StringLiteral"; + TypeFlags[TypeFlags["TypeParameter"] = 512] = "TypeParameter"; + TypeFlags[TypeFlags["Class"] = 1024] = "Class"; + TypeFlags[TypeFlags["Interface"] = 2048] = "Interface"; + TypeFlags[TypeFlags["Reference"] = 4096] = "Reference"; + TypeFlags[TypeFlags["Tuple"] = 8192] = "Tuple"; + TypeFlags[TypeFlags["Union"] = 16384] = "Union"; + TypeFlags[TypeFlags["Intersection"] = 32768] = "Intersection"; + TypeFlags[TypeFlags["Anonymous"] = 65536] = "Anonymous"; + TypeFlags[TypeFlags["Instantiated"] = 131072] = "Instantiated"; + /* @internal */ + TypeFlags[TypeFlags["FromSignature"] = 262144] = "FromSignature"; + TypeFlags[TypeFlags["ObjectLiteral"] = 524288] = "ObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["FreshObjectLiteral"] = 1048576] = "FreshObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["ContainsUndefinedOrNull"] = 2097152] = "ContainsUndefinedOrNull"; + /* @internal */ + TypeFlags[TypeFlags["ContainsObjectLiteral"] = 4194304] = "ContainsObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 8388608] = "ContainsAnyFunctionType"; + TypeFlags[TypeFlags["ESSymbol"] = 16777216] = "ESSymbol"; + TypeFlags[TypeFlags["ThisType"] = 33554432] = "ThisType"; + TypeFlags[TypeFlags["ObjectLiteralPatternWithComputedProperties"] = 67108864] = "ObjectLiteralPatternWithComputedProperties"; + /* @internal */ + TypeFlags[TypeFlags["Intrinsic"] = 16777343] = "Intrinsic"; + /* @internal */ + TypeFlags[TypeFlags["Primitive"] = 16777726] = "Primitive"; + TypeFlags[TypeFlags["StringLike"] = 258] = "StringLike"; + TypeFlags[TypeFlags["NumberLike"] = 132] = "NumberLike"; + TypeFlags[TypeFlags["ObjectType"] = 80896] = "ObjectType"; + TypeFlags[TypeFlags["UnionOrIntersection"] = 49152] = "UnionOrIntersection"; + TypeFlags[TypeFlags["StructuredType"] = 130048] = "StructuredType"; + /* @internal */ + TypeFlags[TypeFlags["RequiresWidening"] = 6291456] = "RequiresWidening"; + /* @internal */ + TypeFlags[TypeFlags["PropagatingFlags"] = 14680064] = "PropagatingFlags"; + })(ts.TypeFlags || (ts.TypeFlags = {})); + var TypeFlags = ts.TypeFlags; + (function (SignatureKind) { + SignatureKind[SignatureKind["Call"] = 0] = "Call"; + SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; + })(ts.SignatureKind || (ts.SignatureKind = {})); + var SignatureKind = ts.SignatureKind; + (function (IndexKind) { + IndexKind[IndexKind["String"] = 0] = "String"; + IndexKind[IndexKind["Number"] = 1] = "Number"; + })(ts.IndexKind || (ts.IndexKind = {})); + var IndexKind = ts.IndexKind; + /* @internal */ + (function (SpecialPropertyAssignmentKind) { + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; + /// exports.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; + /// module.exports = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; + /// className.prototype.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; + /// this.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; + })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); + var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; + (function (DiagnosticCategory) { + DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; + DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; + DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; + })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); + var DiagnosticCategory = ts.DiagnosticCategory; + (function (ModuleResolutionKind) { + ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic"; + ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs"; + })(ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {})); + var ModuleResolutionKind = ts.ModuleResolutionKind; + (function (ModuleKind) { + ModuleKind[ModuleKind["None"] = 0] = "None"; + ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS"; + ModuleKind[ModuleKind["AMD"] = 2] = "AMD"; + ModuleKind[ModuleKind["UMD"] = 3] = "UMD"; + ModuleKind[ModuleKind["System"] = 4] = "System"; + ModuleKind[ModuleKind["ES6"] = 5] = "ES6"; + ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; + })(ts.ModuleKind || (ts.ModuleKind = {})); + var ModuleKind = ts.ModuleKind; + (function (JsxEmit) { + JsxEmit[JsxEmit["None"] = 0] = "None"; + JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; + JsxEmit[JsxEmit["React"] = 2] = "React"; + })(ts.JsxEmit || (ts.JsxEmit = {})); + var JsxEmit = ts.JsxEmit; + (function (NewLineKind) { + NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; + NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; + })(ts.NewLineKind || (ts.NewLineKind = {})); + var NewLineKind = ts.NewLineKind; + (function (ScriptTarget) { + ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; + ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; + ScriptTarget[ScriptTarget["ES6"] = 2] = "ES6"; + ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; + ScriptTarget[ScriptTarget["Latest"] = 2] = "Latest"; + })(ts.ScriptTarget || (ts.ScriptTarget = {})); + var ScriptTarget = ts.ScriptTarget; + (function (LanguageVariant) { + LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; + LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; + })(ts.LanguageVariant || (ts.LanguageVariant = {})); + var LanguageVariant = ts.LanguageVariant; + /* @internal */ + (function (DiagnosticStyle) { + DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; + DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; + })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); + var DiagnosticStyle = ts.DiagnosticStyle; + /* @internal */ + (function (CharacterCodes) { + CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; + CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; + CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; + CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; + CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; + CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; + CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; + // Unicode 3.0 space characters + CharacterCodes[CharacterCodes["space"] = 32] = "space"; + CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; + CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; + CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; + CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; + CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; + CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; + CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; + CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; + CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; + CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; + CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; + CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; + CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; + CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; + CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; + CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; + CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; + CharacterCodes[CharacterCodes["_"] = 95] = "_"; + CharacterCodes[CharacterCodes["$"] = 36] = "$"; + CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; + CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; + CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; + CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; + CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; + CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; + CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; + CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; + CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; + CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; + CharacterCodes[CharacterCodes["a"] = 97] = "a"; + CharacterCodes[CharacterCodes["b"] = 98] = "b"; + CharacterCodes[CharacterCodes["c"] = 99] = "c"; + CharacterCodes[CharacterCodes["d"] = 100] = "d"; + CharacterCodes[CharacterCodes["e"] = 101] = "e"; + CharacterCodes[CharacterCodes["f"] = 102] = "f"; + CharacterCodes[CharacterCodes["g"] = 103] = "g"; + CharacterCodes[CharacterCodes["h"] = 104] = "h"; + CharacterCodes[CharacterCodes["i"] = 105] = "i"; + CharacterCodes[CharacterCodes["j"] = 106] = "j"; + CharacterCodes[CharacterCodes["k"] = 107] = "k"; + CharacterCodes[CharacterCodes["l"] = 108] = "l"; + CharacterCodes[CharacterCodes["m"] = 109] = "m"; + CharacterCodes[CharacterCodes["n"] = 110] = "n"; + CharacterCodes[CharacterCodes["o"] = 111] = "o"; + CharacterCodes[CharacterCodes["p"] = 112] = "p"; + CharacterCodes[CharacterCodes["q"] = 113] = "q"; + CharacterCodes[CharacterCodes["r"] = 114] = "r"; + CharacterCodes[CharacterCodes["s"] = 115] = "s"; + CharacterCodes[CharacterCodes["t"] = 116] = "t"; + CharacterCodes[CharacterCodes["u"] = 117] = "u"; + CharacterCodes[CharacterCodes["v"] = 118] = "v"; + CharacterCodes[CharacterCodes["w"] = 119] = "w"; + CharacterCodes[CharacterCodes["x"] = 120] = "x"; + CharacterCodes[CharacterCodes["y"] = 121] = "y"; + CharacterCodes[CharacterCodes["z"] = 122] = "z"; + CharacterCodes[CharacterCodes["A"] = 65] = "A"; + CharacterCodes[CharacterCodes["B"] = 66] = "B"; + CharacterCodes[CharacterCodes["C"] = 67] = "C"; + CharacterCodes[CharacterCodes["D"] = 68] = "D"; + CharacterCodes[CharacterCodes["E"] = 69] = "E"; + CharacterCodes[CharacterCodes["F"] = 70] = "F"; + CharacterCodes[CharacterCodes["G"] = 71] = "G"; + CharacterCodes[CharacterCodes["H"] = 72] = "H"; + CharacterCodes[CharacterCodes["I"] = 73] = "I"; + CharacterCodes[CharacterCodes["J"] = 74] = "J"; + CharacterCodes[CharacterCodes["K"] = 75] = "K"; + CharacterCodes[CharacterCodes["L"] = 76] = "L"; + CharacterCodes[CharacterCodes["M"] = 77] = "M"; + CharacterCodes[CharacterCodes["N"] = 78] = "N"; + CharacterCodes[CharacterCodes["O"] = 79] = "O"; + CharacterCodes[CharacterCodes["P"] = 80] = "P"; + CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; + CharacterCodes[CharacterCodes["R"] = 82] = "R"; + CharacterCodes[CharacterCodes["S"] = 83] = "S"; + CharacterCodes[CharacterCodes["T"] = 84] = "T"; + CharacterCodes[CharacterCodes["U"] = 85] = "U"; + CharacterCodes[CharacterCodes["V"] = 86] = "V"; + CharacterCodes[CharacterCodes["W"] = 87] = "W"; + CharacterCodes[CharacterCodes["X"] = 88] = "X"; + CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; + CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; + CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; + CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; + CharacterCodes[CharacterCodes["at"] = 64] = "at"; + CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; + CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; + CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; + CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; + CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; + CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; + CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; + CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; + CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; + CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; + CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; + CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; + CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; + CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; + CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; + CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; + CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; + CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; + CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; + CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; + CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; + CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; + CharacterCodes[CharacterCodes["question"] = 63] = "question"; + CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; + CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; + CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; + CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; + CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; + CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; + CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; + CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; + CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; + })(ts.CharacterCodes || (ts.CharacterCodes = {})); + var CharacterCodes = ts.CharacterCodes; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + /** + * Ternary values are defined such that + * x & y is False if either x or y is False. + * x & y is Maybe if either x or y is Maybe, but neither x or y is False. + * x & y is True if both x and y are True. + * x | y is False if both x and y are False. + * x | y is Maybe if either x or y is Maybe, but neither x or y is True. + * x | y is True if either x or y is True. + */ + (function (Ternary) { + Ternary[Ternary["False"] = 0] = "False"; + Ternary[Ternary["Maybe"] = 1] = "Maybe"; + Ternary[Ternary["True"] = -1] = "True"; + })(ts.Ternary || (ts.Ternary = {})); + var Ternary = ts.Ternary; + function createFileMap(keyMapper) { + var files = {}; + return { + get: get, + set: set, + contains: contains, + remove: remove, + forEachValue: forEachValueInMap, + clear: clear + }; + function forEachValueInMap(f) { + for (var key in files) { + f(key, files[key]); + } + } + // path should already be well-formed so it does not need to be normalized + function get(path) { + return files[toKey(path)]; + } + function set(path, value) { + files[toKey(path)] = value; + } + function contains(path) { + return hasProperty(files, toKey(path)); + } + function remove(path) { + var key = toKey(path); + delete files[key]; + } + function clear() { + files = {}; + } + function toKey(path) { + return keyMapper ? keyMapper(path) : path; + } + } + ts.createFileMap = createFileMap; + function toPath(fileName, basePath, getCanonicalFileName) { + var nonCanonicalizedPath = isRootedDiskPath(fileName) + ? normalizePath(fileName) + : getNormalizedAbsolutePath(fileName, basePath); + return getCanonicalFileName(nonCanonicalizedPath); + } + ts.toPath = toPath; + (function (Comparison) { + Comparison[Comparison["LessThan"] = -1] = "LessThan"; + Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; + Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; + })(ts.Comparison || (ts.Comparison = {})); + var Comparison = ts.Comparison; + /** + * Iterates through 'array' by index and performs the callback on each element of array until the callback + * returns a truthy value, then returns that value. + * If no such value is found, the callback is applied to each element of array and undefined is returned. + */ + function forEach(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + var result = callback(array[i], i); + if (result) { + return result; + } + } + } + return undefined; + } + ts.forEach = forEach; + function contains(array, value) { + if (array) { + for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { + var v = array_1[_i]; + if (v === value) { + return true; + } + } + } + return false; + } + ts.contains = contains; + function indexOf(array, value) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (array[i] === value) { + return i; + } + } + } + return -1; + } + ts.indexOf = indexOf; + function countWhere(array, predicate) { + var count = 0; + if (array) { + for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { + var v = array_2[_i]; + if (predicate(v)) { + count++; + } + } + } + return count; + } + ts.countWhere = countWhere; + function filter(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { + var item = array_3[_i]; + if (f(item)) { + result.push(item); + } + } + } + return result; + } + ts.filter = filter; + function map(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { + var v = array_4[_i]; + result.push(f(v)); + } + } + return result; + } + ts.map = map; + function concatenate(array1, array2) { + if (!array2 || !array2.length) + return array1; + if (!array1 || !array1.length) + return array2; + return array1.concat(array2); + } + ts.concatenate = concatenate; + function deduplicate(array) { + var result; + if (array) { + result = []; + for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { + var item = array_5[_i]; + if (!contains(result, item)) { + result.push(item); + } + } + } + return result; + } + ts.deduplicate = deduplicate; + function sum(array, prop) { + var result = 0; + for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { + var v = array_6[_i]; + result += v[prop]; + } + return result; + } + ts.sum = sum; + function addRange(to, from) { + if (to && from) { + for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { + var v = from_1[_i]; + to.push(v); + } + } + } + ts.addRange = addRange; + function rangeEquals(array1, array2, pos, end) { + while (pos < end) { + if (array1[pos] !== array2[pos]) { + return false; + } + pos++; + } + return true; + } + ts.rangeEquals = rangeEquals; + /** + * Returns the last element of an array if non-empty, undefined otherwise. + */ + function lastOrUndefined(array) { + if (array.length === 0) { + return undefined; + } + return array[array.length - 1]; + } + ts.lastOrUndefined = lastOrUndefined; + /** + * Performs a binary search, finding the index at which 'value' occurs in 'array'. + * If no such index is found, returns the 2's-complement of first index at which + * number[index] exceeds number. + * @param array A sorted array whose first element must be no larger than number + * @param number The value to be searched for in the array. + */ + function binarySearch(array, value) { + var low = 0; + var high = array.length - 1; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var midValue = array[middle]; + if (midValue === value) { + return middle; + } + else if (midValue > value) { + high = middle - 1; + } + else { + low = middle + 1; + } + } + return ~low; + } + ts.binarySearch = binarySearch; + function reduceLeft(array, f, initial) { + if (array) { + var count = array.length; + if (count > 0) { + var pos = 0; + var result = arguments.length <= 2 ? array[pos] : initial; + pos++; + while (pos < count) { + result = f(result, array[pos]); + pos++; + } + return result; + } + } + return initial; + } + ts.reduceLeft = reduceLeft; + function reduceRight(array, f, initial) { + if (array) { + var pos = array.length - 1; + if (pos >= 0) { + var result = arguments.length <= 2 ? array[pos] : initial; + pos--; + while (pos >= 0) { + result = f(result, array[pos]); + pos--; + } + return result; + } + } + return initial; + } + ts.reduceRight = reduceRight; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function hasProperty(map, key) { + return hasOwnProperty.call(map, key); + } + ts.hasProperty = hasProperty; + function getProperty(map, key) { + return hasOwnProperty.call(map, key) ? map[key] : undefined; + } + ts.getProperty = getProperty; + function isEmpty(map) { + for (var id in map) { + if (hasProperty(map, id)) { + return false; + } + } + return true; + } + ts.isEmpty = isEmpty; + function clone(object) { + var result = {}; + for (var id in object) { + result[id] = object[id]; + } + return result; + } + ts.clone = clone; + function extend(first, second) { + var result = {}; + for (var id in first) { + result[id] = first[id]; + } + for (var id in second) { + if (!hasProperty(result, id)) { + result[id] = second[id]; + } + } + return result; + } + ts.extend = extend; + function forEachValue(map, callback) { + var result; + for (var id in map) { + if (result = callback(map[id])) + break; + } + return result; + } + ts.forEachValue = forEachValue; + function forEachKey(map, callback) { + var result; + for (var id in map) { + if (result = callback(id)) + break; + } + return result; + } + ts.forEachKey = forEachKey; + function lookUp(map, key) { + return hasProperty(map, key) ? map[key] : undefined; + } + ts.lookUp = lookUp; + function copyMap(source, target) { + for (var p in source) { + target[p] = source[p]; + } + } + ts.copyMap = copyMap; + /** + * Creates a map from the elements of an array. + * + * @param array the array of input elements. + * @param makeKey a function that produces a key for a given element. + * + * This function makes no effort to avoid collisions; if any two elements produce + * the same key with the given 'makeKey' function, then the element with the higher + * index in the array will be the one associated with the produced key. + */ + function arrayToMap(array, makeKey) { + var result = {}; + forEach(array, function (value) { + result[makeKey(value)] = value; + }); + return result; + } + ts.arrayToMap = arrayToMap; + /** + * Reduce the properties of a map. + * + * @param map The map to reduce + * @param callback An aggregation function that is called for each entry in the map + * @param initial The initial value for the reduction. + */ + function reduceProperties(map, callback, initial) { + var result = initial; + if (map) { + for (var key in map) { + if (hasProperty(map, key)) { + result = callback(result, map[key], String(key)); + } + } + } + return result; + } + ts.reduceProperties = reduceProperties; + /** + * Tests whether a value is an array. + */ + function isArray(value) { + return Array.isArray ? Array.isArray(value) : value instanceof Array; + } + ts.isArray = isArray; + function memoize(callback) { + var value; + return function () { + if (callback) { + value = callback(); + callback = undefined; + } + return value; + }; + } + ts.memoize = memoize; + function formatStringFromArgs(text, args, baseIndex) { + baseIndex = baseIndex || 0; + return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); + } + ts.localizedDiagnosticMessages = undefined; + function getLocaleSpecificMessage(message) { + return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] + ? ts.localizedDiagnosticMessages[message.key] + : message.message; + } + ts.getLocaleSpecificMessage = getLocaleSpecificMessage; + function createFileDiagnostic(file, start, length, message) { + var end = start + length; + Debug.assert(start >= 0, "start must be non-negative, is " + start); + Debug.assert(length >= 0, "length must be non-negative, is " + length); + if (file) { + Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); + Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); + } + var text = getLocaleSpecificMessage(message); + if (arguments.length > 4) { + text = formatStringFromArgs(text, arguments, 4); + } + return { + file: file, + start: start, + length: length, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createFileDiagnostic = createFileDiagnostic; + function createCompilerDiagnostic(message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 1) { + text = formatStringFromArgs(text, arguments, 1); + } + return { + file: undefined, + start: undefined, + length: undefined, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createCompilerDiagnostic = createCompilerDiagnostic; + function chainDiagnosticMessages(details, message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 2) { + text = formatStringFromArgs(text, arguments, 2); + } + return { + messageText: text, + category: message.category, + code: message.code, + next: details + }; + } + ts.chainDiagnosticMessages = chainDiagnosticMessages; + function concatenateDiagnosticMessageChains(headChain, tailChain) { + var lastChain = headChain; + while (lastChain.next) { + lastChain = lastChain.next; + } + lastChain.next = tailChain; + return headChain; + } + ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; + function compareValues(a, b) { + if (a === b) + return 0 /* EqualTo */; + if (a === undefined) + return -1 /* LessThan */; + if (b === undefined) + return 1 /* GreaterThan */; + return a < b ? -1 /* LessThan */ : 1 /* GreaterThan */; + } + ts.compareValues = compareValues; + function getDiagnosticFileName(diagnostic) { + return diagnostic.file ? diagnostic.file.fileName : undefined; + } + function compareDiagnostics(d1, d2) { + return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || + compareValues(d1.start, d2.start) || + compareValues(d1.length, d2.length) || + compareValues(d1.code, d2.code) || + compareMessageText(d1.messageText, d2.messageText) || + 0 /* EqualTo */; + } + ts.compareDiagnostics = compareDiagnostics; + function compareMessageText(text1, text2) { + while (text1 && text2) { + // We still have both chains. + var string1 = typeof text1 === "string" ? text1 : text1.messageText; + var string2 = typeof text2 === "string" ? text2 : text2.messageText; + var res = compareValues(string1, string2); + if (res) { + return res; + } + text1 = typeof text1 === "string" ? undefined : text1.next; + text2 = typeof text2 === "string" ? undefined : text2.next; + } + if (!text1 && !text2) { + // if the chains are done, then these messages are the same. + return 0 /* EqualTo */; + } + // We still have one chain remaining. The shorter chain should come first. + return text1 ? 1 /* GreaterThan */ : -1 /* LessThan */; + } + function sortAndDeduplicateDiagnostics(diagnostics) { + return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); + } + ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; + function deduplicateSortedDiagnostics(diagnostics) { + if (diagnostics.length < 2) { + return diagnostics; + } + var newDiagnostics = [diagnostics[0]]; + var previousDiagnostic = diagnostics[0]; + for (var i = 1; i < diagnostics.length; i++) { + var currentDiagnostic = diagnostics[i]; + var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0 /* EqualTo */; + if (!isDupe) { + newDiagnostics.push(currentDiagnostic); + previousDiagnostic = currentDiagnostic; + } + } + return newDiagnostics; + } + ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; + function normalizeSlashes(path) { + return path.replace(/\\/g, "/"); + } + ts.normalizeSlashes = normalizeSlashes; + // Returns length of path root (i.e. length of "/", "x:/", "//server/share/, file:///user/files") + function getRootLength(path) { + if (path.charCodeAt(0) === 47 /* slash */) { + if (path.charCodeAt(1) !== 47 /* slash */) + return 1; + var p1 = path.indexOf("/", 2); + if (p1 < 0) + return 2; + var p2 = path.indexOf("/", p1 + 1); + if (p2 < 0) + return p1 + 1; + return p2 + 1; + } + if (path.charCodeAt(1) === 58 /* colon */) { + if (path.charCodeAt(2) === 47 /* slash */) + return 3; + return 2; + } + // Per RFC 1738 'file' URI schema has the shape file:/// + // if is omitted then it is assumed that host value is 'localhost', + // however slash after the omitted is not removed. + // file:///folder1/file1 - this is a correct URI + // file://folder2/file2 - this is an incorrect URI + if (path.lastIndexOf("file:///", 0) === 0) { + return "file:///".length; + } + var idx = path.indexOf("://"); + if (idx !== -1) { + return idx + "://".length; + } + return 0; + } + ts.getRootLength = getRootLength; + ts.directorySeparator = "/"; + function getNormalizedParts(normalizedSlashedPath, rootLength) { + var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); + var normalized = []; + for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { + var part = parts_1[_i]; + if (part !== ".") { + if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { + normalized.pop(); + } + else { + // A part may be an empty string (which is 'falsy') if the path had consecutive slashes, + // e.g. "path//file.ts". Drop these before re-joining the parts. + if (part) { + normalized.push(part); + } + } + } + } + return normalized; + } + function normalizePath(path) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + var normalized = getNormalizedParts(path, rootLength); + return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); + } + ts.normalizePath = normalizePath; + function getDirectoryPath(path) { + return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); + } + ts.getDirectoryPath = getDirectoryPath; + function isUrl(path) { + return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; + } + ts.isUrl = isUrl; + function isRootedDiskPath(path) { + return getRootLength(path) !== 0; + } + ts.isRootedDiskPath = isRootedDiskPath; + function normalizedPathComponents(path, rootLength) { + var normalizedParts = getNormalizedParts(path, rootLength); + return [path.substr(0, rootLength)].concat(normalizedParts); + } + function getNormalizedPathComponents(path, currentDirectory) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + if (rootLength === 0) { + // If the path is not rooted it is relative to current directory + path = combinePaths(normalizeSlashes(currentDirectory), path); + rootLength = getRootLength(path); + } + return normalizedPathComponents(path, rootLength); + } + ts.getNormalizedPathComponents = getNormalizedPathComponents; + function getNormalizedAbsolutePath(fileName, currentDirectory) { + return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); + } + ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; + function getNormalizedPathFromPathComponents(pathComponents) { + if (pathComponents && pathComponents.length) { + return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); + } + } + ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; + function getNormalizedPathComponentsOfUrl(url) { + // Get root length of http://www.website.com/folder1/foler2/ + // In this example the root is: http://www.website.com/ + // normalized path components should be ["http://www.website.com/", "folder1", "folder2"] + var urlLength = url.length; + // Initial root length is http:// part + var rootLength = url.indexOf("://") + "://".length; + while (rootLength < urlLength) { + // Consume all immediate slashes in the protocol + // eg.initial rootlength is just file:// but it needs to consume another "/" in file:/// + if (url.charCodeAt(rootLength) === 47 /* slash */) { + rootLength++; + } + else { + // non slash character means we continue proceeding to next component of root search + break; + } + } + // there are no parts after http:// just return current string as the pathComponent + if (rootLength === urlLength) { + return [url]; + } + // Find the index of "/" after website.com so the root can be http://www.website.com/ (from existing http://) + var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); + if (indexOfNextSlash !== -1) { + // Found the "/" after the website.com so the root is length of http://www.website.com/ + // and get components afetr the root normally like any other folder components + rootLength = indexOfNextSlash + 1; + return normalizedPathComponents(url, rootLength); + } + else { + // Can't find the host assume the rest of the string as component + // but make sure we append "/" to it as root is not joined using "/" + // eg. if url passed in was http://website.com we want to use root as [http://website.com/] + // so that other path manipulations will be correct and it can be merged with relative paths correctly + return [url + ts.directorySeparator]; + } + } + function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { + if (isUrl(pathOrUrl)) { + return getNormalizedPathComponentsOfUrl(pathOrUrl); + } + else { + return getNormalizedPathComponents(pathOrUrl, currentDirectory); + } + } + function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { + var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); + var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); + if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { + // If the directory path given was of type test/cases/ then we really need components of directory to be only till its name + // that is ["test", "cases", ""] needs to be actually ["test", "cases"] + directoryComponents.length--; + } + // Find the component that differs + var joinStartIndex; + for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { + break; + } + } + // Get the relative path + if (joinStartIndex) { + var relativePath = ""; + var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); + for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (directoryComponents[joinStartIndex] !== "") { + relativePath = relativePath + ".." + ts.directorySeparator; + } + } + return relativePath + relativePathComponents.join(ts.directorySeparator); + } + // Cant find the relative path, get the absolute path + var absolutePath = getNormalizedPathFromPathComponents(pathComponents); + if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { + absolutePath = "file:///" + absolutePath; + } + return absolutePath; + } + ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; + function getBaseFileName(path) { + if (path === undefined) { + return undefined; + } + var i = path.lastIndexOf(ts.directorySeparator); + return i < 0 ? path : path.substring(i + 1); + } + ts.getBaseFileName = getBaseFileName; + function combinePaths(path1, path2) { + if (!(path1 && path1.length)) + return path2; + if (!(path2 && path2.length)) + return path1; + if (getRootLength(path2) !== 0) + return path2; + if (path1.charAt(path1.length - 1) === ts.directorySeparator) + return path1 + path2; + return path1 + ts.directorySeparator + path2; + } + ts.combinePaths = combinePaths; + function fileExtensionIs(path, extension) { + var pathLen = path.length; + var extLen = extension.length; + return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; + } + ts.fileExtensionIs = fileExtensionIs; + /** + * List of supported extensions in order of file resolution precedence. + */ + ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; + ts.supportedJavascriptExtensions = [".js", ".jsx"]; + var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); + function getSupportedExtensions(options) { + return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; + } + ts.getSupportedExtensions = getSupportedExtensions; + function isSupportedSourceFileName(fileName, compilerOptions) { + if (!fileName) { + return false; + } + for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { + var extension = _a[_i]; + if (fileExtensionIs(fileName, extension)) { + return true; + } + } + return false; + } + ts.isSupportedSourceFileName = isSupportedSourceFileName; + var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; + function removeFileExtension(path) { + for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { + var ext = extensionsToRemove_1[_i]; + if (fileExtensionIs(path, ext)) { + return path.substr(0, path.length - ext.length); + } + } + return path; + } + ts.removeFileExtension = removeFileExtension; + function Symbol(flags, name) { + this.flags = flags; + this.name = name; + this.declarations = undefined; + } + function Type(checker, flags) { + this.flags = flags; + } + function Signature(checker) { + } + function Node(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0 /* None */; + this.parent = undefined; + } + ts.objectAllocator = { + getNodeConstructor: function () { return Node; }, + getSourceFileConstructor: function () { return Node; }, + getSymbolConstructor: function () { return Symbol; }, + getTypeConstructor: function () { return Type; }, + getSignatureConstructor: function () { return Signature; } + }; + (function (AssertionLevel) { + AssertionLevel[AssertionLevel["None"] = 0] = "None"; + AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; + AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; + AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; + })(ts.AssertionLevel || (ts.AssertionLevel = {})); + var AssertionLevel = ts.AssertionLevel; + var Debug; + (function (Debug) { + var currentAssertionLevel = 0 /* None */; + function shouldAssert(level) { + return currentAssertionLevel >= level; + } + Debug.shouldAssert = shouldAssert; + function assert(expression, message, verboseDebugInfo) { + if (!expression) { + var verboseDebugString = ""; + if (verboseDebugInfo) { + verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); + } + debugger; + throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); + } + } + Debug.assert = assert; + function fail(message) { + Debug.assert(/*expression*/ false, message); + } + Debug.fail = fail; + })(Debug = ts.Debug || (ts.Debug = {})); + function copyListRemovingItem(item, list) { + var copiedList = []; + for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { + var e = list_1[_i]; + if (e !== item) { + copiedList.push(e); + } + } + return copiedList; + } + ts.copyListRemovingItem = copyListRemovingItem; + function createGetCanonicalFileName(useCaseSensitivefileNames) { + return useCaseSensitivefileNames + ? (function (fileName) { return fileName; }) + : (function (fileName) { return fileName.toLowerCase(); }); + } + ts.createGetCanonicalFileName = createGetCanonicalFileName; +})(ts || (ts = {})); +/// +var ts; +(function (ts) { + ts.sys = (function () { + function getWScriptSystem() { + var fso = new ActiveXObject("Scripting.FileSystemObject"); + var fileStream = new ActiveXObject("ADODB.Stream"); + fileStream.Type = 2 /*text*/; + var binaryStream = new ActiveXObject("ADODB.Stream"); + binaryStream.Type = 1 /*binary*/; + var args = []; + for (var i = 0; i < WScript.Arguments.length; i++) { + args[i] = WScript.Arguments.Item(i); + } + function readFile(fileName, encoding) { + if (!fso.FileExists(fileName)) { + return undefined; + } + fileStream.Open(); + try { + if (encoding) { + fileStream.Charset = encoding; + fileStream.LoadFromFile(fileName); + } + else { + // Load file and read the first two bytes into a string with no interpretation + fileStream.Charset = "x-ansi"; + fileStream.LoadFromFile(fileName); + var bom = fileStream.ReadText(2) || ""; + // Position must be at 0 before encoding can be changed + fileStream.Position = 0; + // [0xFF,0xFE] and [0xFE,0xFF] mean utf-16 (little or big endian), otherwise default to utf-8 + fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; + } + // ReadText method always strips byte order mark from resulting string + return fileStream.ReadText(); + } + catch (e) { + throw e; + } + finally { + fileStream.Close(); + } + } + function writeFile(fileName, data, writeByteOrderMark) { + fileStream.Open(); + binaryStream.Open(); + try { + // Write characters in UTF-8 encoding + fileStream.Charset = "utf-8"; + fileStream.WriteText(data); + // If we don't want the BOM, then skip it by setting the starting location to 3 (size of BOM). + // If not, start from position 0, as the BOM will be added automatically when charset==utf8. + if (writeByteOrderMark) { + fileStream.Position = 0; + } + else { + fileStream.Position = 3; + } + fileStream.CopyTo(binaryStream); + binaryStream.SaveToFile(fileName, 2 /*overwrite*/); + } + finally { + binaryStream.Close(); + fileStream.Close(); + } + } + function getCanonicalPath(path) { + return path.toLowerCase(); + } + function getNames(collection) { + var result = []; + for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { + result.push(e.item().Name); + } + return result.sort(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var folder = fso.GetFolder(path || "."); + var files = getNames(folder.files); + for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { + var current = files_1[_i]; + var name_1 = ts.combinePaths(path, current); + if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { + result.push(name_1); + } + } + var subfolders = getNames(folder.subfolders); + for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { + var current = subfolders_1[_a]; + var name_2 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_2))) { + visitDirectory(name_2); + } + } + } + } + return { + args: args, + newLine: "\r\n", + useCaseSensitiveFileNames: false, + write: function (s) { + WScript.StdOut.Write(s); + }, + readFile: readFile, + writeFile: writeFile, + resolvePath: function (path) { + return fso.GetAbsolutePathName(path); + }, + fileExists: function (path) { + return fso.FileExists(path); + }, + directoryExists: function (path) { + return fso.FolderExists(path); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + fso.CreateFolder(directoryName); + } + }, + getExecutingFilePath: function () { + return WScript.ScriptFullName; + }, + getCurrentDirectory: function () { + return new ActiveXObject("WScript.Shell").CurrentDirectory; + }, + readDirectory: readDirectory, + exit: function (exitCode) { + try { + WScript.Quit(exitCode); + } + catch (e) { + } + } + }; + } + function getNodeSystem() { + var _fs = require("fs"); + var _path = require("path"); + var _os = require("os"); + // average async stat takes about 30 microseconds + // set chunk size to do 30 files in < 1 millisecond + function createPollingWatchedFileSet(interval, chunkSize) { + if (interval === void 0) { interval = 2500; } + if (chunkSize === void 0) { chunkSize = 30; } + var watchedFiles = []; + var nextFileToCheck = 0; + var watchTimer; + function getModifiedTime(fileName) { + return _fs.statSync(fileName).mtime; + } + function poll(checkedIndex) { + var watchedFile = watchedFiles[checkedIndex]; + if (!watchedFile) { + return; + } + _fs.stat(watchedFile.filePath, function (err, stats) { + if (err) { + watchedFile.callback(watchedFile.filePath); + } + else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { + watchedFile.mtime = getModifiedTime(watchedFile.filePath); + watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); + } + }); + } + // this implementation uses polling and + // stat due to inconsistencies of fs.watch + // and efficiency of stat on modern filesystems + function startWatchTimer() { + watchTimer = setInterval(function () { + var count = 0; + var nextToCheck = nextFileToCheck; + var firstCheck = -1; + while ((count < chunkSize) && (nextToCheck !== firstCheck)) { + poll(nextToCheck); + if (firstCheck < 0) { + firstCheck = nextToCheck; + } + nextToCheck++; + if (nextToCheck === watchedFiles.length) { + nextToCheck = 0; + } + count++; + } + nextFileToCheck = nextToCheck; + }, interval); + } + function addFile(filePath, callback) { + var file = { + filePath: filePath, + callback: callback, + mtime: getModifiedTime(filePath) + }; + watchedFiles.push(file); + if (watchedFiles.length === 1) { + startWatchTimer(); + } + return file; + } + function removeFile(file) { + watchedFiles = ts.copyListRemovingItem(file, watchedFiles); + } + return { + getModifiedTime: getModifiedTime, + poll: poll, + startWatchTimer: startWatchTimer, + addFile: addFile, + removeFile: removeFile + }; + } + function createWatchedFileSet() { + var dirWatchers = ts.createFileMap(); + // One file can have multiple watchers + var fileWatcherCallbacks = ts.createFileMap(); + return { addFile: addFile, removeFile: removeFile }; + function reduceDirWatcherRefCountForFile(filePath) { + var dirPath = ts.getDirectoryPath(filePath); + if (dirWatchers.contains(dirPath)) { + var watcher = dirWatchers.get(dirPath); + watcher.referenceCount -= 1; + if (watcher.referenceCount <= 0) { + watcher.close(); + dirWatchers.remove(dirPath); + } + } + } + function addDirWatcher(dirPath) { + if (dirWatchers.contains(dirPath)) { + var watcher_1 = dirWatchers.get(dirPath); + watcher_1.referenceCount += 1; + return; + } + var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); + watcher.referenceCount = 1; + dirWatchers.set(dirPath, watcher); + return; + } + function addFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + fileWatcherCallbacks.get(filePath).push(callback); + } + else { + fileWatcherCallbacks.set(filePath, [callback]); + } + } + function addFile(filePath, callback) { + addFileWatcherCallback(filePath, callback); + addDirWatcher(ts.getDirectoryPath(filePath)); + return { filePath: filePath, callback: callback }; + } + function removeFile(watchedFile) { + removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); + reduceDirWatcherRefCountForFile(watchedFile.filePath); + } + function removeFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); + if (newCallbacks.length === 0) { + fileWatcherCallbacks.remove(filePath); + } + else { + fileWatcherCallbacks.set(filePath, newCallbacks); + } + } + } + /** + * @param watcherPath is the path from which the watcher is triggered. + */ + function fileEventHandler(eventName, relativeFileName, baseDirPath) { + // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined" + var filePath = typeof relativeFileName !== "string" + ? undefined + : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + // Some applications save a working file via rename operations + if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { + for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { + var fileCallback = _a[_i]; + fileCallback(filePath); + } + } + } + } + // REVIEW: for now this implementation uses polling. + // The advantage of polling is that it works reliably + // on all os and with network mounted files. + // For 90 referenced files, the average time to detect + // changes is 2*msInterval (by default 5 seconds). + // The overhead of this is .04 percent (1/2500) with + // average pause of < 1 millisecond (and max + // pause less than 1.5 milliseconds); question is + // do we anticipate reference sets in the 100s and + // do we care about waiting 10-20 seconds to detect + // changes for large reference sets? If so, do we want + // to increase the chunk size or decrease the interval + // time dynamically to match the large reference set? + var pollingWatchedFileSet = createPollingWatchedFileSet(); + var watchedFileSet = createWatchedFileSet(); + function isNode4OrLater() { + return parseInt(process.version.charAt(1)) >= 4; + } + var platform = _os.platform(); + // win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive + var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; + function readFile(fileName, encoding) { + if (!_fs.existsSync(fileName)) { + return undefined; + } + var buffer = _fs.readFileSync(fileName); + var len = buffer.length; + if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { + // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js, + // flip all byte pairs and treat as little endian. + len &= ~1; + for (var i = 0; i < len; i += 2) { + var temp = buffer[i]; + buffer[i] = buffer[i + 1]; + buffer[i + 1] = temp; + } + return buffer.toString("utf16le", 2); + } + if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { + // Little endian UTF-16 byte order mark detected + return buffer.toString("utf16le", 2); + } + if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { + // UTF-8 byte order mark detected + return buffer.toString("utf8", 3); + } + // Default is UTF-8 with no byte order mark + return buffer.toString("utf8"); + } + function writeFile(fileName, data, writeByteOrderMark) { + // If a BOM is required, emit one + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + var fd; + try { + fd = _fs.openSync(fileName, "w"); + _fs.writeSync(fd, data, undefined, "utf8"); + } + finally { + if (fd !== undefined) { + _fs.closeSync(fd); + } + } + } + function getCanonicalPath(path) { + return useCaseSensitiveFileNames ? path : path.toLowerCase(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var files = _fs.readdirSync(path || ".").sort(); + var directories = []; + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var current = files_2[_i]; + var name_3 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_3))) { + var stat = _fs.statSync(name_3); + if (stat.isFile()) { + if (!extension || ts.fileExtensionIs(name_3, extension)) { + result.push(name_3); + } + } + else if (stat.isDirectory()) { + directories.push(name_3); + } + } + } + for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { + var current = directories_1[_a]; + visitDirectory(current); + } + } + } + return { + args: process.argv.slice(2), + newLine: _os.EOL, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + write: function (s) { + process.stdout.write(s); + }, + readFile: readFile, + writeFile: writeFile, + watchFile: function (filePath, callback) { + // Node 4.0 stablized the `fs.watch` function on Windows which avoids polling + // and is more efficient than `fs.watchFile` (ref: https://github.com/nodejs/node/pull/2649 + // and https://github.com/Microsoft/TypeScript/issues/4643), therefore + // if the current node.js version is newer than 4, use `fs.watch` instead. + var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; + var watchedFile = watchSet.addFile(filePath, callback); + return { + close: function () { return watchSet.removeFile(watchedFile); } + }; + }, + watchDirectory: function (path, callback, recursive) { + // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows + // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643) + var options; + if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { + options = { persistent: true, recursive: !!recursive }; + } + else { + options = { persistent: true }; + } + return _fs.watch(path, options, function (eventName, relativeFileName) { + // In watchDirectory we only care about adding and removing files (when event name is + // "rename"); changes made within files are handled by corresponding fileWatchers (when + // event name is "change") + if (eventName === "rename") { + // When deleting a file, the passed baseFileName is null + callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); + } + ; + }); + }, + resolvePath: function (path) { + return _path.resolve(path); + }, + fileExists: function (path) { + return _fs.existsSync(path); + }, + directoryExists: function (path) { + return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + _fs.mkdirSync(directoryName); + } + }, + getExecutingFilePath: function () { + return __filename; + }, + getCurrentDirectory: function () { + return process.cwd(); + }, + readDirectory: readDirectory, + getMemoryUsage: function () { + if (global.gc) { + global.gc(); + } + return process.memoryUsage().heapUsed; + }, + exit: function (exitCode) { + process.exit(exitCode); + } + }; + } + function getChakraSystem() { + return { + newLine: ChakraHost.newLine || "\r\n", + args: ChakraHost.args, + useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, + write: ChakraHost.echo, + readFile: function (path, encoding) { + // encoding is automatically handled by the implementation in ChakraHost + return ChakraHost.readFile(path); + }, + writeFile: function (path, data, writeByteOrderMark) { + // If a BOM is required, emit one + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + ChakraHost.writeFile(path, data); + }, + resolvePath: ChakraHost.resolvePath, + fileExists: ChakraHost.fileExists, + directoryExists: ChakraHost.directoryExists, + createDirectory: ChakraHost.createDirectory, + getExecutingFilePath: function () { return ChakraHost.executingFile; }, + getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, + readDirectory: ChakraHost.readDirectory, + exit: ChakraHost.quit + }; + } + if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { + return getWScriptSystem(); + } + else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { + // process and process.nextTick checks if current environment is node-like + // process.browser check excludes webpack and browserify + return getNodeSystem(); + } + else if (typeof ChakraHost !== "undefined") { + return getChakraSystem(); + } + else { + return undefined; // Unsupported host + } + })(); +})(ts || (ts = {})); +// +/// +/* @internal */ +var ts; +(function (ts) { + ts.Diagnostics = { + Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, + Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, + _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, + A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, + Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, + Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, + Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, + A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, + Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, + A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, + An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, + An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, + An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, + An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, + An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, + An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, + An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, + Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, + _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, + _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, + _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, + super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, + Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, + Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, + A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, + Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, + _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, + _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, + _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, + _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, + _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, + A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, + A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, + A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, + A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, + A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, + A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, + A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, + A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, + A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, + Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, + Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, + An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, + Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, + Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, + Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, + Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, + _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, + An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, + The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, + In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, + Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, + A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, + Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, + Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, + An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, + _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, + _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, + Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, + Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, + An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, + A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, + An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, + _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, + Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, + Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, + Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, + with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, + delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, + A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, + A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, + Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, + A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, + Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, + Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, + A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, + A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, + Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, + A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, + A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, + An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, + An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, + An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, + An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, + Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, + A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, + Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, + Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, + Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, + Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, + Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, + Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, + Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, + case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, + Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, + Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, + Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, + Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, + Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, + Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, + Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, + Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, + Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, + String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, + Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, + or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, + Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, + Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, + Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, + Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, + File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, + new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, + const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, + const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, + let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, + Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, + Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, + An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, + A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, + Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, + A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, + A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, + A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, + extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, + extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, + Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, + implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, + Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, + Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, + Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, + Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, + Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, + Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, + A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, + An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, + Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, + Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, + A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, + A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, + The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, + The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, + An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, + Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, + An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, + Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, + Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, + Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, + Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, + An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, + Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, + Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, + Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, + Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, + Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, + Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, + Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, + Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, + Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, + Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, + A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, + Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, + Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, + Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, + Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, + Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, + An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, + _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, + Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, + Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, + Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, + Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, + A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, + A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, + A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, + An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, + An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, + An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, + An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, + A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, + The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, + The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, + Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, + Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, + Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, + Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, + abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, + _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, + Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, + Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, + An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, + A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, + A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, + A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, + with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, + await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, + Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, + can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, + The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, + Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, + Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, + Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, + Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, + Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, + Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, + File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, + Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, + Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, + An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, + Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, + A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, + An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, + Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, + Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, + Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, + Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, + Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, + Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, + Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, + Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, + Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, + Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, + Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, + Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, + Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, + Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, + Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, + Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, + Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, + Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, + this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, + this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, + this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, + this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, + super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, + super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, + Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, + super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, + Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, + Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, + Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, + An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, + Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, + Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, + Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, + Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, + Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, + Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, + Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, + Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, + Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, + Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, + No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, + A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, + An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, + The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, + The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, + The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, + The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, + The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, + The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, + Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, + Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, + A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, + A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, + A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, + Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, + Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, + Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, + Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, + A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, + Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, + A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, + Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, + get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, + A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, + Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, + Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, + Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, + Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, + Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, + Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, + Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, + Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, + Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, + Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, + Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, + Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, + Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, + Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, + Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, + Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, + Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, + Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, + Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, + Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, + Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, + The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, + The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, + Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, + The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, + Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, + Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, + All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, + Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, + Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, + Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, + Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, + Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, + Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, + Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, + Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, + A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, + Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, + Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, + Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, + All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, + Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, + Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, + In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, + A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, + A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, + Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, + Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, + Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, + Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, + Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, + Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, + Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, + Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, + Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, + Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, + Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, + The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, + Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, + The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, + Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, + Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, + An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, + The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, + Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, + Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, + Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, + An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, + Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, + Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, + Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, + A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, + A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, + A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, + this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, + super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, + A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, + Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, + The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, + Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, + A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, + Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, + Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, + In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, + const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, + A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, + const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, + const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, + Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, + let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, + Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, + The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, + Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, + The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, + Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, + Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, + An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, + The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, + Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, + Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, + Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, + Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, + The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, + Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, + Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, + An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, + A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, + A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, + _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, + Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, + No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, + A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, + _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, + Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, + No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, + Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, + Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, + Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, + Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, + Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, + Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, + Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, + All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, + Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, + A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, + Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, + Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, + The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, + yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, + await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, + Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, + A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, + The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, + A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, + JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, + The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, + JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, + Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, + JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, + JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, + Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, + JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, + The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, + Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, + A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, + Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, + Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, + Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, + Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, + JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, + Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, + super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, + super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, + Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, + Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, + Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, + Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, + Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, + Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, + Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, + export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, + Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, + Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, + Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, + Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, + Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, + Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, + Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, + Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, + Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, + Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, + Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, + Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, + Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, + Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, + Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, + The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, + Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, + Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, + Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, + Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, + Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, + Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, + Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, + Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, + Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, + Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, + Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, + Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, + A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, + Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, + Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, + Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, + The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, + Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, + Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, + Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, + Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, + Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, + Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, + Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, + Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, + Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, + Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, + Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, + Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, + Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, + Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, + Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, + Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, + Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, + Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, + options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, + file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, + Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, + Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, + Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, + Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, + File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, + KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, + FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, + VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, + LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, + DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, + Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, + Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, + Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, + Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, + Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, + Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, + Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, + Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, + Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, + Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, + Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, + File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, + File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, + Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, + Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, + Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, + File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, + Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, + NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, + Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, + Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, + Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, + Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, + Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, + Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, + Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, + Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, + Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, + Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, + Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, + Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, + Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, + Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, + Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, + Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, + Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, + Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, + Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, + Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, + Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, + Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, + Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, + Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, + new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, + _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, + Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, + Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, + Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, + Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, + Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, + Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, + Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, + _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, + JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, + Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, + Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, + Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, + Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, + You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, + You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, + import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, + export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, + type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, + implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, + interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, + module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, + type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, + _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, + types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, + type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, + parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, + property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, + enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, + type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, + Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, + class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, + JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, + JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, + Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, + JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, + Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, + A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, + An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, + super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } + }; +})(ts || (ts = {})); +/// +/// +var ts; +(function (ts) { + /* @internal */ + function tokenIsIdentifierOrKeyword(token) { + return token >= 69 /* Identifier */; + } + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = { + "abstract": 115 /* AbstractKeyword */, + "any": 117 /* AnyKeyword */, + "as": 116 /* AsKeyword */, + "boolean": 120 /* BooleanKeyword */, + "break": 70 /* BreakKeyword */, + "case": 71 /* CaseKeyword */, + "catch": 72 /* CatchKeyword */, + "class": 73 /* ClassKeyword */, + "continue": 75 /* ContinueKeyword */, + "const": 74 /* ConstKeyword */, + "constructor": 121 /* ConstructorKeyword */, + "debugger": 76 /* DebuggerKeyword */, + "declare": 122 /* DeclareKeyword */, + "default": 77 /* DefaultKeyword */, + "delete": 78 /* DeleteKeyword */, + "do": 79 /* DoKeyword */, + "else": 80 /* ElseKeyword */, + "enum": 81 /* EnumKeyword */, + "export": 82 /* ExportKeyword */, + "extends": 83 /* ExtendsKeyword */, + "false": 84 /* FalseKeyword */, + "finally": 85 /* FinallyKeyword */, + "for": 86 /* ForKeyword */, + "from": 133 /* FromKeyword */, + "function": 87 /* FunctionKeyword */, + "get": 123 /* GetKeyword */, + "if": 88 /* IfKeyword */, + "implements": 106 /* ImplementsKeyword */, + "import": 89 /* ImportKeyword */, + "in": 90 /* InKeyword */, + "instanceof": 91 /* InstanceOfKeyword */, + "interface": 107 /* InterfaceKeyword */, + "is": 124 /* IsKeyword */, + "let": 108 /* LetKeyword */, + "module": 125 /* ModuleKeyword */, + "namespace": 126 /* NamespaceKeyword */, + "new": 92 /* NewKeyword */, + "null": 93 /* NullKeyword */, + "number": 128 /* NumberKeyword */, + "package": 109 /* PackageKeyword */, + "private": 110 /* PrivateKeyword */, + "protected": 111 /* ProtectedKeyword */, + "public": 112 /* PublicKeyword */, + "require": 127 /* RequireKeyword */, + "global": 134 /* GlobalKeyword */, + "return": 94 /* ReturnKeyword */, + "set": 129 /* SetKeyword */, + "static": 113 /* StaticKeyword */, + "string": 130 /* StringKeyword */, + "super": 95 /* SuperKeyword */, + "switch": 96 /* SwitchKeyword */, + "symbol": 131 /* SymbolKeyword */, + "this": 97 /* ThisKeyword */, + "throw": 98 /* ThrowKeyword */, + "true": 99 /* TrueKeyword */, + "try": 100 /* TryKeyword */, + "type": 132 /* TypeKeyword */, + "typeof": 101 /* TypeOfKeyword */, + "var": 102 /* VarKeyword */, + "void": 103 /* VoidKeyword */, + "while": 104 /* WhileKeyword */, + "with": 105 /* WithKeyword */, + "yield": 114 /* YieldKeyword */, + "async": 118 /* AsyncKeyword */, + "await": 119 /* AwaitKeyword */, + "of": 135 /* OfKeyword */, + "{": 15 /* OpenBraceToken */, + "}": 16 /* CloseBraceToken */, + "(": 17 /* OpenParenToken */, + ")": 18 /* CloseParenToken */, + "[": 19 /* OpenBracketToken */, + "]": 20 /* CloseBracketToken */, + ".": 21 /* DotToken */, + "...": 22 /* DotDotDotToken */, + ";": 23 /* SemicolonToken */, + ",": 24 /* CommaToken */, + "<": 25 /* LessThanToken */, + ">": 27 /* GreaterThanToken */, + "<=": 28 /* LessThanEqualsToken */, + ">=": 29 /* GreaterThanEqualsToken */, + "==": 30 /* EqualsEqualsToken */, + "!=": 31 /* ExclamationEqualsToken */, + "===": 32 /* EqualsEqualsEqualsToken */, + "!==": 33 /* ExclamationEqualsEqualsToken */, + "=>": 34 /* EqualsGreaterThanToken */, + "+": 35 /* PlusToken */, + "-": 36 /* MinusToken */, + "**": 38 /* AsteriskAsteriskToken */, + "*": 37 /* AsteriskToken */, + "/": 39 /* SlashToken */, + "%": 40 /* PercentToken */, + "++": 41 /* PlusPlusToken */, + "--": 42 /* MinusMinusToken */, + "<<": 43 /* LessThanLessThanToken */, + ">": 44 /* GreaterThanGreaterThanToken */, + ">>>": 45 /* GreaterThanGreaterThanGreaterThanToken */, + "&": 46 /* AmpersandToken */, + "|": 47 /* BarToken */, + "^": 48 /* CaretToken */, + "!": 49 /* ExclamationToken */, + "~": 50 /* TildeToken */, + "&&": 51 /* AmpersandAmpersandToken */, + "||": 52 /* BarBarToken */, + "?": 53 /* QuestionToken */, + ":": 54 /* ColonToken */, + "=": 56 /* EqualsToken */, + "+=": 57 /* PlusEqualsToken */, + "-=": 58 /* MinusEqualsToken */, + "*=": 59 /* AsteriskEqualsToken */, + "**=": 60 /* AsteriskAsteriskEqualsToken */, + "/=": 61 /* SlashEqualsToken */, + "%=": 62 /* PercentEqualsToken */, + "<<=": 63 /* LessThanLessThanEqualsToken */, + ">>=": 64 /* GreaterThanGreaterThanEqualsToken */, + ">>>=": 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */, + "&=": 66 /* AmpersandEqualsToken */, + "|=": 67 /* BarEqualsToken */, + "^=": 68 /* CaretEqualsToken */, + "@": 55 /* AtToken */ + }; + /* + As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers + IdentifierStart :: + Can contain Unicode 3.0.0 categories: + Uppercase letter (Lu), + Lowercase letter (Ll), + Titlecase letter (Lt), + Modifier letter (Lm), + Other letter (Lo), or + Letter number (Nl). + IdentifierPart :: = + Can contain IdentifierStart + Unicode 3.0.0 categories: + Non-spacing mark (Mn), + Combining spacing mark (Mc), + Decimal number (Nd), or + Connector punctuation (Pc). + + Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at: + http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt + */ + var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1610, 1649, 1747, 1749, 1749, 1765, 1766, 1786, 1788, 1808, 1808, 1810, 1836, 1920, 1957, 2309, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2784, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 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65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + /* + As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers + IdentifierStart :: + Can contain Unicode 6.2 categories: + Uppercase letter (Lu), + Lowercase letter (Ll), + Titlecase letter (Lt), + Modifier letter (Lm), + Other letter (Lo), or + Letter number (Nl). + IdentifierPart :: + Can contain IdentifierStart + Unicode 6.2 categories: + Non-spacing mark (Mn), + Combining spacing mark (Mc), + Decimal number (Nd), + Connector punctuation (Pc), + , or + . + + Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at: + http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt + */ + var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 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43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 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8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + // Bail out quickly if it couldn't possibly be in the map. + if (code < map[0]) { + return false; + } + // Perform binary search in one of the Unicode range maps + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + // mid has to be even to catch a range's beginning + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; + } + /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 /* ES5 */ ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); + } + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 /* ES5 */ ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); + } + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + if (source.hasOwnProperty(name_4)) { + result[source[name_4]] = name_4; + } + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + /* @internal */ + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + /* @internal */ + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; + } + break; + } + } + result.push(lineStart); + return result; + } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); + } + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + /* @internal */ + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + /* @internal */ + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + /* @internal */ + /** + * We assume the first line starts at position 0 and 'position' is non-negative. + */ + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + // If the actual position was not found, + // the binary search returns the 2's-complement of the next line start + // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20 + // then the search will return -2. + // + // We want the index of the previous line start, so we subtract 1. + // Review 2's-complement if this is confusing. + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + } + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + // Note: nextLine is in the Zs space, and should be considered to be a whitespace. + // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript. + return ch === 32 /* space */ || + ch === 9 /* tab */ || + ch === 11 /* verticalTab */ || + ch === 12 /* formFeed */ || + ch === 160 /* nonBreakingSpace */ || + ch === 133 /* nextLine */ || + ch === 5760 /* ogham */ || + ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ || + ch === 8239 /* narrowNoBreakSpace */ || + ch === 8287 /* mathematicalSpace */ || + ch === 12288 /* ideographicSpace */ || + ch === 65279 /* byteOrderMark */; + } + ts.isWhiteSpace = isWhiteSpace; + function isLineBreak(ch) { + // ES5 7.3: + // The ECMAScript line terminator characters are listed in Table 3. + // Table 3: Line Terminator Characters + // Code Unit Value Name Formal Name + // \u000A Line Feed + // \u000D Carriage Return + // \u2028 Line separator + // \u2029 Paragraph separator + // Only the characters in Table 3 are treated as line terminators. Other new line or line + // breaking characters are treated as white space but not as line terminators. + return ch === 10 /* lineFeed */ || + ch === 13 /* carriageReturn */ || + ch === 8232 /* lineSeparator */ || + ch === 8233 /* paragraphSeparator */; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; + } + /* @internal */ + function isOctalDigit(ch) { + return ch >= 48 /* _0 */ && ch <= 55 /* _7 */; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + // Keep in sync with skipTrivia + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + case 10 /* lineFeed */: + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + case 47 /* slash */: + // starts of normal trivia + case 60 /* lessThan */: + case 61 /* equals */: + case 62 /* greaterThan */: + // Starts of conflict marker trivia + return true; + case 35 /* hash */: + // Only if its the beginning can we have #! trivia + return pos === 0; + default: + return ch > 127 /* maxAsciiCharacter */; + } + } + ts.couldStartTrivia = couldStartTrivia; + /* @internal */ + function skipTrivia(text, pos, stopAfterLineBreak) { + // Using ! with a greater than test is a fast way of testing the following conditions: + // pos === undefined || pos === null || isNaN(pos) || pos < 0; + if (!(pos >= 0)) { + return pos; + } + // Keep in sync with couldStartTrivia + while (true) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + pos++; + continue; + case 47 /* slash */: + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60 /* lessThan */: + case 61 /* equals */: + case 62 /* greaterThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35 /* hash */: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { + pos++; + continue; + } + break; + } + return pos; + } + } + ts.skipTrivia = skipTrivia; + // All conflict markers consist of the same character repeated seven times. If it is + // a <<<<<<< or >>>>>>> marker then it is also followd by a space. + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + // Conflict markers must be at the start of a line. + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; + } + } + return ch === 61 /* equals */ || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* space */; + } + } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; + } + } + else { + ts.Debug.assert(ch === 61 /* equals */); + // Consume everything from the start of the mid-conlict marker to the start of the next + // end-conflict marker. + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 /* greaterThan */ && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; + } + } + return pos; + } + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + // Shebangs check must only be done at the start of the file + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + /** + * Extract comments from text prefixing the token closest following `pos`. + * The return value is an array containing a TextRange for each comment. + * Single-line comment ranges include the beginning '//' characters but not the ending line break. + * Multi - line comment ranges include the beginning '/* and ending '/' characters. + * The return value is undefined if no comments were found. + * @param trailing + * If false, whitespace is skipped until the first line break and comments between that location + * and the next token are returned. + * If true, comments occurring between the given position and the next line break are returned. + */ + function getCommentRanges(text, pos, trailing) { + var result; + var collecting = trailing || pos === 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + pos++; + if (trailing) { + return result; + } + collecting = true; + if (result && result.length) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + continue; + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + pos++; + continue; + case 47 /* slash */: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) { + var kind = nextChar === 47 /* slash */ ? 2 /* SingleLineCommentTrivia */ : 3 /* MultiLineCommentTrivia */; + var startPos = pos; + pos += 2; + if (nextChar === 47 /* slash */) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (!result) { + result = []; + } + result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + } + continue; + } + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { + if (result && result.length && isLineBreak(ch)) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + pos++; + continue; + } + break; + } + return result; + } + return result; + } + function getLeadingCommentRanges(text, pos) { + return getCommentRanges(text, pos, /*trailing*/ false); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return getCommentRanges(text, pos, /*trailing*/ true); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + /** Optionally, get the shebang */ + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || + ch === 36 /* $ */ || ch === 95 /* _ */ || + ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || + ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || + ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + /* @internal */ + function isIdentifier(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; + } + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; + } + } + return true; + } + ts.isIdentifier = isIdentifier; + // Creates a scanner over a (possibly unspecified) range of a piece of text. + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0 /* Standard */; } + // Current position (end position of text of current token) + var pos; + // end of text + var end; + // Start position of whitespace before current token + var startPos; + // Start position of text of current token + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 69 /* Identifier */ || token > 105 /* LastReservedWord */; }, + isReservedWord: function () { return token >= 70 /* FirstReservedWord */ && token <= 105 /* LastReservedWord */; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } + } + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46 /* dot */) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + } + var end = pos; + if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) { + pos++; + if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } + } + return "" + +(text.substring(start, end)); + } + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); + } + /** + * Scans the given number of hexadecimal digits in the text, + * returning -1 if the given number is unavailable. + */ + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false); + } + /** + * Scans as many hexadecimal digits as are available in the text, + * returning -1 if the given number of digits was unavailable. + */ + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true); + } + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 /* _0 */ && ch <= 57 /* _9 */) { + value = value * 16 + ch - 48 /* _0 */; + } + else if (ch >= 65 /* A */ && ch <= 70 /* F */) { + value = value * 16 + ch - 65 /* A */ + 10; + } + else if (ch >= 97 /* a */ && ch <= 102 /* f */) { + value = value * 16 + ch - 97 /* a */ + 10; + } + else { + break; + } + pos++; + digits++; + } + if (digits < minCount) { + value = -1; + } + return value; + } + function scanString() { + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92 /* backslash */) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; + } + return result; + } + /** + * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or + * a literal component of a TemplateExpression. + */ + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; + break; + } + var currChar = text.charCodeAt(pos); + // '`' + if (currChar === 96 /* backtick */) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; + break; + } + // '${' + if (currChar === 36 /* $ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* openBrace */) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 12 /* TemplateHead */ : 13 /* TemplateMiddle */; + break; + } + // Escape character + if (currChar === 92 /* backslash */) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + // Speculated ECMAScript 6 Spec 11.8.6.1: + // and LineTerminatorSequences are normalized to for Template Values + if (currChar === 13 /* carriageReturn */) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + contents += "\n"; + start = pos; + continue; + } + pos++; + } + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; + } + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; + } + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48 /* _0 */: + return "\0"; + case 98 /* b */: + return "\b"; + case 116 /* t */: + return "\t"; + case 110 /* n */: + return "\n"; + case 118 /* v */: + return "\v"; + case 102 /* f */: + return "\f"; + case 114 /* r */: + return "\r"; + case 39 /* singleQuote */: + return "\'"; + case 34 /* doubleQuote */: + return "\""; + case 117 /* u */: + // '\u{DDDDDDDD}' + if (pos < end && text.charCodeAt(pos) === 123 /* openBrace */) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + // '\uDDDD' + return scanHexadecimalEscape(/*numDigits*/ 4); + case 120 /* x */: + // '\xDD' + return scanHexadecimalEscape(/*numDigits*/ 2); + // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence), + // the line terminator is interpreted to be "the empty code unit sequence". + case 13 /* carriageReturn */: + if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + // fall through + case 10 /* lineFeed */: + case 8232 /* lineSeparator */: + case 8233 /* paragraphSeparator */: + return ""; + default: + return String.fromCharCode(ch); + } + } + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); + } + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; + } + } + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + // Validate the value of the digit + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; + } + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; + } + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; + } + else if (text.charCodeAt(pos) === 125 /* closeBrace */) { + // Only swallow the following character up if it's a '}'. + pos++; + } + else { + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; + } + if (isInvalidExtendedEscape) { + return ""; + } + return utf16EncodeAsString(escapedValue); + } + // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec. + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); + } + // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX' + // and return code point value if valid Unicode escape is found. Otherwise return -1. + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* u */) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; + } + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92 /* backslash */) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; + } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + // Valid Unicode escape is always six characters + pos += 6; + start = pos; + } + else { + break; + } + } + result += text.substring(start, pos); + return result; + } + function getIdentifierToken() { + // Reserved words are between 2 and 11 characters long and start with a lowercase letter + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 /* a */ && ch <= 122 /* z */ && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; + } + } + return token = 69 /* Identifier */; + } + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); + var value = 0; + // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b. + // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O. + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48 /* _0 */; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; + } + // Invalid binaryIntegerLiteral or octalIntegerLiteral + if (numberOfDigits === 0) { + return -1; + } + return value; + } + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + var ch = text.charCodeAt(pos); + // Special handling for shebang + if (ch === 35 /* hash */ && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6 /* ShebangTrivia */; + } + } + switch (ch) { + case 10 /* lineFeed */: + case 13 /* carriageReturn */: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 /* carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + // consume both CR and LF + pos += 2; + } + else { + pos++; + } + return token = 4 /* NewLineTrivia */; + } + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { + pos++; + } + return token = 5 /* WhitespaceTrivia */; + } + case 33 /* exclamation */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 33 /* ExclamationEqualsEqualsToken */; + } + return pos += 2, token = 31 /* ExclamationEqualsToken */; + } + pos++; + return token = 49 /* ExclamationToken */; + case 34 /* doubleQuote */: + case 39 /* singleQuote */: + tokenValue = scanString(); + return token = 9 /* StringLiteral */; + case 96 /* backtick */: + return token = scanTemplateAndSetTokenValue(); + case 37 /* percent */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 62 /* PercentEqualsToken */; + } + pos++; + return token = 40 /* PercentToken */; + case 38 /* ampersand */: + if (text.charCodeAt(pos + 1) === 38 /* ampersand */) { + return pos += 2, token = 51 /* AmpersandAmpersandToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 66 /* AmpersandEqualsToken */; + } + pos++; + return token = 46 /* AmpersandToken */; + case 40 /* openParen */: + pos++; + return token = 17 /* OpenParenToken */; + case 41 /* closeParen */: + pos++; + return token = 18 /* CloseParenToken */; + case 42 /* asterisk */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 59 /* AsteriskEqualsToken */; + } + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 60 /* AsteriskAsteriskEqualsToken */; + } + return pos += 2, token = 38 /* AsteriskAsteriskToken */; + } + pos++; + return token = 37 /* AsteriskToken */; + case 43 /* plus */: + if (text.charCodeAt(pos + 1) === 43 /* plus */) { + return pos += 2, token = 41 /* PlusPlusToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 57 /* PlusEqualsToken */; + } + pos++; + return token = 35 /* PlusToken */; + case 44 /* comma */: + pos++; + return token = 24 /* CommaToken */; + case 45 /* minus */: + if (text.charCodeAt(pos + 1) === 45 /* minus */) { + return pos += 2, token = 42 /* MinusMinusToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 58 /* MinusEqualsToken */; + } + pos++; + return token = 36 /* MinusToken */; + case 46 /* dot */: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8 /* NumericLiteral */; + } + if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) { + return pos += 3, token = 22 /* DotDotDotToken */; + } + pos++; + return token = 21 /* DotToken */; + case 47 /* slash */: + // Single-line comment + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2 /* SingleLineCommentTrivia */; + } + } + // Multi-line comment + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3 /* MultiLineCommentTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 61 /* SlashEqualsToken */; + } + pos++; + return token = 39 /* SlashToken */; + case 48 /* _0 */: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) { + pos += 2; + var value = scanBinaryOrOctalDigits(/* base */ 2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) { + pos += 2; + var value = scanBinaryOrOctalDigits(/* base */ 8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + // Try to parse as an octal + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8 /* NumericLiteral */; + } + // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero + // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being + // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do). + case 49 /* _1 */: + case 50 /* _2 */: + case 51 /* _3 */: + case 52 /* _4 */: + case 53 /* _5 */: + case 54 /* _6 */: + case 55 /* _7 */: + case 56 /* _8 */: + case 57 /* _9 */: + tokenValue = scanNumber(); + return token = 8 /* NumericLiteral */; + case 58 /* colon */: + pos++; + return token = 54 /* ColonToken */; + case 59 /* semicolon */: + pos++; + return token = 23 /* SemicolonToken */; + case 60 /* lessThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 60 /* lessThan */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 63 /* LessThanLessThanEqualsToken */; + } + return pos += 2, token = 43 /* LessThanLessThanToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 28 /* LessThanEqualsToken */; + } + if (languageVariant === 1 /* JSX */ && + text.charCodeAt(pos + 1) === 47 /* slash */ && + text.charCodeAt(pos + 2) !== 42 /* asterisk */) { + return pos += 2, token = 26 /* LessThanSlashToken */; + } + pos++; + return token = 25 /* LessThanToken */; + case 61 /* equals */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 32 /* EqualsEqualsEqualsToken */; + } + return pos += 2, token = 30 /* EqualsEqualsToken */; + } + if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { + return pos += 2, token = 34 /* EqualsGreaterThanToken */; + } + pos++; + return token = 56 /* EqualsToken */; + case 62 /* greaterThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + pos++; + return token = 27 /* GreaterThanToken */; + case 63 /* question */: + pos++; + return token = 53 /* QuestionToken */; + case 91 /* openBracket */: + pos++; + return token = 19 /* OpenBracketToken */; + case 93 /* closeBracket */: + pos++; + return token = 20 /* CloseBracketToken */; + case 94 /* caret */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 68 /* CaretEqualsToken */; + } + pos++; + return token = 48 /* CaretToken */; + case 123 /* openBrace */: + pos++; + return token = 15 /* OpenBraceToken */; + case 124 /* bar */: + if (text.charCodeAt(pos + 1) === 124 /* bar */) { + return pos += 2, token = 52 /* BarBarToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 67 /* BarEqualsToken */; + } + pos++; + return token = 47 /* BarToken */; + case 125 /* closeBrace */: + pos++; + return token = 16 /* CloseBraceToken */; + case 126 /* tilde */: + pos++; + return token = 50 /* TildeToken */; + case 64 /* at */: + pos++; + return token = 55 /* AtToken */; + case 92 /* backslash */: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0 /* Unknown */; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92 /* backslash */) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpace(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0 /* Unknown */; + } + } + } + function reScanGreaterToken() { + if (token === 27 /* GreaterThanToken */) { + if (text.charCodeAt(pos) === 62 /* greaterThan */) { + if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */; + } + return pos += 2, token = 45 /* GreaterThanGreaterThanGreaterThanToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 64 /* GreaterThanGreaterThanEqualsToken */; + } + pos++; + return token = 44 /* GreaterThanGreaterThanToken */; + } + if (text.charCodeAt(pos) === 61 /* equals */) { + pos++; + return token = 29 /* GreaterThanEqualsToken */; + } + } + return token; + } + function reScanSlashToken() { + if (token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + // If we reach the end of a file, or hit a newline, then this is an unterminated + // regex. Report error and return what we have so far. + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + // Parsing an escape character; + // reset the flag and just advance to the next char. + inEscape = false; + } + else if (ch === 47 /* slash */ && !inCharacterClass) { + // A slash within a character class is permissible, + // but in general it signals the end of the regexp literal. + p++; + break; + } + else if (ch === 91 /* openBracket */) { + inCharacterClass = true; + } + else if (ch === 92 /* backslash */) { + inEscape = true; + } + else if (ch === 93 /* closeBracket */) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 10 /* RegularExpressionLiteral */; + } + return token; + } + /** + * Unconditionally back up and scan a template expression portion. + */ + function reScanTemplateToken() { + ts.Debug.assert(token === 16 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); + } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); + } + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + var char = text.charCodeAt(pos); + if (char === 60 /* lessThan */) { + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + return token = 26 /* LessThanSlashToken */; + } + pos++; + return token = 25 /* LessThanToken */; + } + if (char === 123 /* openBrace */) { + pos++; + return token = 15 /* OpenBraceToken */; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123 /* openBrace */) || (char === 60 /* lessThan */)) { + break; + } + } + return token = 239 /* JsxText */; + } + // Scans a JSX identifier; these differ from normal identifiers in that + // they allow dashes + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 /* minus */ || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; + } + function scanJSDocToken() { + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + startPos = pos; + // Eat leading whitespace + var ch = text.charCodeAt(pos); + while (pos < end) { + ch = text.charCodeAt(pos); + if (isWhiteSpace(ch)) { + pos++; + } + else { + break; + } + } + tokenPos = pos; + switch (ch) { + case 64 /* at */: + return pos += 1, token = 55 /* AtToken */; + case 10 /* lineFeed */: + case 13 /* carriageReturn */: + return pos += 1, token = 4 /* NewLineTrivia */; + case 42 /* asterisk */: + return pos += 1, token = 37 /* AsteriskToken */; + case 123 /* openBrace */: + return pos += 1, token = 15 /* OpenBraceToken */; + case 125 /* closeBrace */: + return pos += 1, token = 16 /* CloseBraceToken */; + case 91 /* openBracket */: + return pos += 1, token = 19 /* OpenBracketToken */; + case 93 /* closeBracket */: + return pos += 1, token = 20 /* CloseBracketToken */; + case 61 /* equals */: + return pos += 1, token = 56 /* EqualsToken */; + case 44 /* comma */: + return pos += 1, token = 24 /* CommaToken */; + } + if (isIdentifierStart(ch, 2 /* Latest */)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 2 /* Latest */) && pos < end) { + pos++; + } + return token = 69 /* Identifier */; + } + else { + return pos += 1, token = 0 /* Unknown */; + } + } + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + // If our callback returned something 'falsy' or we're just looking ahead, + // then unconditionally restore us to where we were. + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; + } + return result; + } + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, /*isLookahead*/ true); + } + function tryScan(callback) { + return speculationHelper(callback, /*isLookahead*/ false); + } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); + } + function setOnError(errorCallback) { + onError = errorCallback; + } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; + } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0 /* Unknown */; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; + } + } + ts.createScanner = createScanner; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; + } + } + } + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + // Pool writers to avoid needing to allocate them for every symbol we write. + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + // Completely ignore indentation for string writers. And map newlines to + // a single space. + writeLine: function () { return str_1 += " "; }, + increaseIndent: function () { }, + decreaseIndent: function () { }, + clear: function () { return str_1 = ""; }, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + } + return stringWriters.pop(); + } + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); + } + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; + } + ts.getFullWidth = getFullWidth; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function hasResolvedModule(sourceFile, moduleNameText) { + return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); + } + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; + } + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = {}; + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; + } + ts.setResolvedModule = setResolvedModule; + // Returns true if this node contains a parse error anywhere underneath it. + function containsParseError(node) { + aggregateChildData(node); + return (node.parserContextFlags & 64 /* ThisNodeOrAnySubNodesHasError */) !== 0; + } + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.parserContextFlags & 128 /* HasAggregatedChildData */)) { + // A node is considered to contain a parse error if: + // a) the parser explicitly marked that it had an error + // b) any of it's children reported that it had an error. + var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16 /* ThisNodeHasError */) !== 0) || + ts.forEachChild(node, containsParseError); + // If so, mark ourselves accordingly. + if (thisNodeOrAnySubNodesHasError) { + node.parserContextFlags |= 64 /* ThisNodeOrAnySubNodesHasError */; + } + // Also mark that we've propogated the child information to this node. This way we can + // always consult the bit directly on this node without needing to check its children + // again. + node.parserContextFlags |= 128 /* HasAggregatedChildData */; + } + } + function getSourceFileOfNode(node) { + while (node && node.kind !== 251 /* SourceFile */) { + node = node.parent; + } + return node; + } + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 195 /* Block */: + case 223 /* CaseBlock */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return true; + } + return false; + } + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; + } + ts.getStartPositionOfLine = getStartPositionOfLine; + // This is a useful function for debugging purposes. + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; + } + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; + } + ts.getStartPosOfNode = getStartPosOfNode; + // Returns true if this node is missing from the actual source code. A 'missing' node is different + // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes + // in the tree), it is definitely missing. However, a node may be defined, but still be + // missing. This happens whenever the parser knows it needs to parse something, but can't + // get anything in the source code that it expects at that location. For example: + // + // let a: ; + // + // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source + // code). So the parser will attempt to parse out a type, and will create an actual node. + // However, this node will be 'missing' in the sense that no actual source-code/tokens are + // contained within it. + function nodeIsMissing(node) { + if (!node) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* EndOfFileToken */; + } + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); + } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile) { + // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't* + // want to skip trivia because this will launch us forward to the next token. + if (nodeIsMissing(node)) { + return node.pos; + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); + } + ts.getTokenPosOfNode = getTokenPosOfNode; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); + } + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); + } + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); + } + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); + } + ts.getTextOfNode = getTextOfNode; + // Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier; + } + ts.escapeIdentifier = escapeIdentifier; + // Remove extra underscore from escaped identifier + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ && identifier.charCodeAt(2) === 95 /* _ */ ? identifier.substr(1) : identifier; + } + ts.unescapeIdentifier = unescapeIdentifier; + // Make an identifier from an external module name by extracting the string after the last "/" and replacing + // all non-alphanumeric characters with underscores + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); + } + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (getCombinedNodeFlags(declaration) & 24576 /* BlockScoped */) !== 0 || + isCatchClauseVariableDeclaration(declaration); + } + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isAmbientModule(node) { + return node && node.kind === 221 /* ModuleDeclaration */ && + (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); + } + ts.isAmbientModule = isAmbientModule; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 251 /* SourceFile */ || + node.kind === 221 /* ModuleDeclaration */ || + isFunctionLike(node) || + isFunctionBlock(node); + } + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 2097152 /* GlobalAugmentation */); + } + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + // external module augmentation is a ambient module declaration that is either: + // - defined in the top level scope and source file is an external module + // - defined inside ambient module declaration located in the top level scope and source file not an external module + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 251 /* SourceFile */: + return isExternalModule(node.parent); + case 222 /* ModuleBlock */: + return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); + } + return false; + } + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + // Gets the nearest enclosing block scope container that has the provided node + // as a descendant, that is not the provided node. + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isFunctionLike(current)) { + return current; + } + switch (current.kind) { + case 251 /* SourceFile */: + case 223 /* CaseBlock */: + case 247 /* CatchClause */: + case 221 /* ModuleDeclaration */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return current; + case 195 /* Block */: + // function block is not considered block-scope container + // see comment in binder.ts: bind(...), case for SyntaxKind.Block + if (!isFunctionLike(current.parent)) { + return current; + } + } + current = current.parent; + } + } + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function isCatchClauseVariableDeclaration(declaration) { + return declaration && + declaration.kind === 214 /* VariableDeclaration */ && + declaration.parent && + declaration.parent.kind === 247 /* CatchClause */; + } + ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; + // Return display name of an identifier + // Computed property names will just be emitted as "[]", where is the source + // text of the expression in the computed property. + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); + } + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); + } + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; + } + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); + } + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 251 /* SourceFile */: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false); + if (pos_1 === sourceFile.text.length) { + // file is empty - return span for the beginning of the file + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + // This list is a work in progress. Add missing node kinds to improve their error + // spans. + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 219 /* TypeAliasDeclaration */: + errorNode = node.name; + break; + } + if (errorNode === undefined) { + // If we don't have a better node, then just set the error on the first token of + // construct. + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); + } + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; + } + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return (file.flags & 4096 /* DeclarationFile */) !== 0; + } + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 220 /* EnumDeclaration */ && isConst(node); + } + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 166 /* BindingElement */ || isBindingPattern(node))) { + node = node.parent; + } + return node; + } + // Returns the node flags for this node and all relevant parent nodes. This is done so that + // nodes like variable declarations and binding elements can returned a view of their flags + // that includes the modifiers from their container. i.e. flags like export/declare aren't + // stored on the variable declaration directly, but on the containing variable statement + // (if it has one). Similarly, flags for let/const are store on the variable declaration + // list. By calling this function, all those flags are combined so that the client can treat + // the node as if it actually had those flags. + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 214 /* VariableDeclaration */) { + node = node.parent; + } + if (node && node.kind === 215 /* VariableDeclarationList */) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 196 /* VariableStatement */) { + flags |= node.flags; + } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; + function isConst(node) { + return !!(getCombinedNodeFlags(node) & 16384 /* Const */); + } + ts.isConst = isConst; + function isLet(node) { + return !!(getCombinedNodeFlags(node) & 8192 /* Let */); + } + ts.isLet = isLet; + function isSuperCallExpression(n) { + return n.kind === 171 /* CallExpression */ && n.expression.kind === 95 /* SuperKeyword */; + } + ts.isSuperCallExpression = isSuperCallExpression; + function isPrologueDirective(node) { + return node.kind === 198 /* ExpressionStatement */ && node.expression.kind === 9 /* StringLiteral */; + } + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); + } + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); + } + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); + } + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 139 /* Parameter */ || node.kind === 138 /* TypeParameter */) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + // True if the comment starts with '/**' but not if it is '/**/' + return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 3) !== 47 /* slash */; + } + } + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isTypeNode(node) { + if (151 /* FirstTypeNode */ <= node.kind && node.kind <= 163 /* LastTypeNode */) { + return true; + } + switch (node.kind) { + case 117 /* AnyKeyword */: + case 128 /* NumberKeyword */: + case 130 /* StringKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + return true; + case 103 /* VoidKeyword */: + return node.parent.kind !== 180 /* VoidExpression */; + case 191 /* ExpressionWithTypeArguments */: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + // Identifiers and qualified names may be type nodes, depending on their context. Climb + // above them to find the lowest container + case 69 /* Identifier */: + // If the identifier is the RHS of a qualified name, then it's a type iff its parent is. + if (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node) { + node = node.parent; + } + // At this point, node is either a qualified name or an identifier + ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); + case 136 /* QualifiedName */: + case 169 /* PropertyAccessExpression */: + case 97 /* ThisKeyword */: + var parent_1 = node.parent; + if (parent_1.kind === 155 /* TypeQuery */) { + return false; + } + // Do not recursively call isTypeNode on the parent. In the example: + // + // let a: A.B.C; + // + // Calling isTypeNode would consider the qualified name A.B a type node. Only C or + // A.B.C is a type node. + if (151 /* FirstTypeNode */ <= parent_1.kind && parent_1.kind <= 163 /* LastTypeNode */) { + return true; + } + switch (parent_1.kind) { + case 191 /* ExpressionWithTypeArguments */: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); + case 138 /* TypeParameter */: + return node === parent_1.constraint; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 139 /* Parameter */: + case 214 /* VariableDeclaration */: + return node === parent_1.type; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 145 /* Constructor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return node === parent_1.type; + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return node === parent_1.type; + case 174 /* TypeAssertionExpression */: + return node === parent_1.type; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; + case 173 /* TaggedTemplateExpression */: + // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments. + return false; + } + } + return false; + } + ts.isTypeNode = isTypeNode; + // Warning: This has the same semantics as the forEach family of functions, + // in that traversal terminates in the event that 'visitor' supplies a truthy value. + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 207 /* ReturnStatement */: + return visitor(node); + case 223 /* CaseBlock */: + case 195 /* Block */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + case 210 /* LabeledStatement */: + case 212 /* TryStatement */: + case 247 /* CatchClause */: + return ts.forEachChild(node, traverse); + } + } + } + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 187 /* YieldExpression */: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // These are not allowed inside a generator now, but eventually they may be allowed + // as local types. Regardless, any yield statements contained within them should be + // skipped in this traversal. + return; + default: + if (isFunctionLike(node)) { + var name_5 = node.name; + if (name_5 && name_5.kind === 137 /* ComputedPropertyName */) { + // Note that we will not include methods/accessors of a class because they would require + // first descending into the class. This is by design. + traverse(name_5.expression); + return; + } + } + else if (!isTypeNode(node)) { + // This is the general case, which should include mostly expressions and statements. + // Also includes NodeArrays. + ts.forEachChild(node, traverse); + } + } + } + } + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 166 /* BindingElement */: + case 250 /* EnumMember */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 249 /* ShorthandPropertyAssignment */: + case 214 /* VariableDeclaration */: + return true; + } + } + return false; + } + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */); + } + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */); + } + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); + } + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 145 /* Constructor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return true; + } + } + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + return true; + } + return false; + } + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + return true; + case 210 /* LabeledStatement */: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; + } + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 195 /* Block */ && isFunctionLike(node.parent); + } + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 144 /* MethodDeclaration */ && node.parent.kind === 168 /* ObjectLiteralExpression */; + } + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1 /* Identifier */; + } + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0 /* This */; + } + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } + } + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } + } + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 137 /* ComputedPropertyName */: + // If the grandparent node is an object literal (as opposed to a class), + // then the computed property is not a 'this' container. + // A computed property name in a class needs to be a this container + // so that we can error on it. + if (isClassLike(node.parent.parent)) { + return node; + } + // If this is a computed property, then the parent should not + // make it a this container. The parent might be a property + // in an object literal, like a method or accessor. But in order for + // such a parent to be a this container, the reference must be in + // the *body* of the container. + node = node.parent; + break; + case 140 /* Decorator */: + // Decorators are always applied outside of the body of a class or method. + if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { + // If the decorator's parent is a Parameter, we resolve the this container from + // the grandparent class declaration. + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + // If the decorator's parent is a class element, we resolve the 'this' container + // from the parent class declaration. + node = node.parent; + } + break; + case 177 /* ArrowFunction */: + if (!includeArrowFunctions) { + continue; + } + // Fall through + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 221 /* ModuleDeclaration */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 220 /* EnumDeclaration */: + case 251 /* SourceFile */: + return node; + } + } + } + ts.getThisContainer = getThisContainer; + /** + * Given an super call\property node returns a closest node where either + * - super call\property is legal in the node and not legal in the parent node the node. + * i.e. super call is legal in constructor but not legal in the class body. + * - node is arrow function (so caller might need to call getSuperContainer in case it needs to climb higher) + * - super call\property is definitely illegal in the node (but might be legal in some subnode) + * i.e. super property access is illegal in function declaration but can be legal in the statement list + */ + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 137 /* ComputedPropertyName */: + node = node.parent; + break; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!stopOnFunctions) { + continue; + } + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return node; + case 140 /* Decorator */: + // Decorators are always applied outside of the body of a class or method. + if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { + // If the decorator's parent is a Parameter, we resolve the this container from + // the grandparent class declaration. + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + // If the decorator's parent is a class element, we resolve the 'this' container + // from the parent class declaration. + node = node.parent; + } + break; + } + } + } + ts.getSuperContainer = getSuperContainer; + /** + * Determines whether a node is a property or element access expression for super. + */ + function isSuperPropertyOrElementAccess(node) { + return (node.kind === 169 /* PropertyAccessExpression */ + || node.kind === 170 /* ElementAccessExpression */) + && node.expression.kind === 95 /* SuperKeyword */; + } + ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 152 /* TypeReference */: + return node.typeName; + case 191 /* ExpressionWithTypeArguments */: + return node.expression; + case 69 /* Identifier */: + case 136 /* QualifiedName */: + return node; + } + } + return undefined; + } + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function getInvokedExpression(node) { + if (node.kind === 173 /* TaggedTemplateExpression */) { + return node.tag; + } + // Will either be a CallExpression, NewExpression, or Decorator. + return node.expression; + } + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 217 /* ClassDeclaration */: + // classes are valid targets + return true; + case 142 /* PropertyDeclaration */: + // property declarations are valid if their parent is a class declaration. + return node.parent.kind === 217 /* ClassDeclaration */; + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 144 /* MethodDeclaration */: + // if this method has a body and its parent is a class declaration, this is a valid target. + return node.body !== undefined + && node.parent.kind === 217 /* ClassDeclaration */; + case 139 /* Parameter */: + // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target; + return node.parent.body !== undefined + && (node.parent.kind === 145 /* Constructor */ + || node.parent.kind === 144 /* MethodDeclaration */ + || node.parent.kind === 147 /* SetAccessor */) + && node.parent.parent.kind === 217 /* ClassDeclaration */; + } + return false; + } + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); + } + ts.nodeIsDecorated = nodeIsDecorated; + function isPropertyAccessExpression(node) { + return node.kind === 169 /* PropertyAccessExpression */; + } + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 170 /* ElementAccessExpression */; + } + ts.isElementAccessExpression = isElementAccessExpression; + function isExpression(node) { + switch (node.kind) { + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + case 10 /* RegularExpressionLiteral */: + case 167 /* ArrayLiteralExpression */: + case 168 /* ObjectLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 173 /* TaggedTemplateExpression */: + case 192 /* AsExpression */: + case 174 /* TypeAssertionExpression */: + case 175 /* ParenthesizedExpression */: + case 176 /* FunctionExpression */: + case 189 /* ClassExpression */: + case 177 /* ArrowFunction */: + case 180 /* VoidExpression */: + case 178 /* DeleteExpression */: + case 179 /* TypeOfExpression */: + case 182 /* PrefixUnaryExpression */: + case 183 /* PostfixUnaryExpression */: + case 184 /* BinaryExpression */: + case 185 /* ConditionalExpression */: + case 188 /* SpreadElementExpression */: + case 186 /* TemplateExpression */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 190 /* OmittedExpression */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 187 /* YieldExpression */: + case 181 /* AwaitExpression */: + return true; + case 136 /* QualifiedName */: + while (node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return node.parent.kind === 155 /* TypeQuery */; + case 69 /* Identifier */: + if (node.parent.kind === 155 /* TypeQuery */) { + return true; + } + // fall through + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 97 /* ThisKeyword */: + var parent_2 = node.parent; + switch (parent_2.kind) { + case 214 /* VariableDeclaration */: + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 250 /* EnumMember */: + case 248 /* PropertyAssignment */: + case 166 /* BindingElement */: + return parent_2.initializer === node; + case 198 /* ExpressionStatement */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 207 /* ReturnStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 211 /* ThrowStatement */: + case 209 /* SwitchStatement */: + return parent_2.expression === node; + case 202 /* ForStatement */: + var forStatement = parent_2; + return (forStatement.initializer === node && forStatement.initializer.kind !== 215 /* VariableDeclarationList */) || + forStatement.condition === node || + forStatement.incrementor === node; + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + var forInStatement = parent_2; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215 /* VariableDeclarationList */) || + forInStatement.expression === node; + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return node === parent_2.expression; + case 193 /* TemplateSpan */: + return node === parent_2.expression; + case 137 /* ComputedPropertyName */: + return node === parent_2.expression; + case 140 /* Decorator */: + case 243 /* JsxExpression */: + case 242 /* JsxSpreadAttribute */: + return true; + case 191 /* ExpressionWithTypeArguments */: + return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + default: + if (isExpression(parent_2)) { + return true; + } + } + } + return false; + } + ts.isExpression = isExpression; + function isExternalModuleNameRelative(moduleName) { + // TypeScript 1.0 spec (April 2014): 11.2.1 + // An external module name is "relative" if the first term is "." or "..". + return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; + } + ts.isExternalModuleNameRelative = isExternalModuleNameRelative; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 /* Instantiated */ || + (preserveConstEnums && moduleState === 2 /* ConstEnumOnly */); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 235 /* ExternalModuleReference */; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind !== 235 /* ExternalModuleReference */; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.parserContextFlags & 32 /* JavaScriptFile */); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + /** + * Returns true if the node is a CallExpression to the identifier 'require' with + * exactly one argument. + * This function does not test if the node is in a JavaScript file or not. + */ + function isRequireCall(expression, checkArgumentIsStringLiteral) { + // of the form 'require("name")' + var isRequire = expression.kind === 171 /* CallExpression */ && + expression.expression.kind === 69 /* Identifier */ && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9 /* StringLiteral */); + } + ts.isRequireCall = isRequireCall; + /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property + /// assignments we treat as special in the binder + function getSpecialPropertyAssignmentKind(expression) { + if (expression.kind !== 184 /* BinaryExpression */) { + return 0 /* None */; + } + var expr = expression; + if (expr.operatorToken.kind !== 56 /* EqualsToken */ || expr.left.kind !== 169 /* PropertyAccessExpression */) { + return 0 /* None */; + } + var lhs = expr.left; + if (lhs.expression.kind === 69 /* Identifier */) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + // exports.name = expr + return 1 /* ExportsProperty */; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + // module.exports = expr + return 2 /* ModuleExports */; + } + } + else if (lhs.expression.kind === 97 /* ThisKeyword */) { + return 4 /* ThisProperty */; + } + else if (lhs.expression.kind === 169 /* PropertyAccessExpression */) { + // chained dot, e.g. x.y.z = expr; this var is the 'x.y' part + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 69 /* Identifier */ && innerPropertyAccess.name.text === "prototype") { + return 3 /* PrototypeProperty */; + } + } + return 0 /* None */; + } + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 225 /* ImportDeclaration */) { + return node.moduleSpecifier; + } + if (node.kind === 224 /* ImportEqualsDeclaration */) { + var reference = node.moduleReference; + if (reference.kind === 235 /* ExternalModuleReference */) { + return reference.expression; + } + } + if (node.kind === 231 /* ExportDeclaration */) { + return node.moduleSpecifier; + } + if (node.kind === 221 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { + return node.name; + } + } + ts.getExternalModuleName = getExternalModuleName; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 139 /* Parameter */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 249 /* ShorthandPropertyAssignment */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return node.questionToken !== undefined; + } + } + return false; + } + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 264 /* JSDocFunctionType */ && + node.parameters.length > 0 && + node.parameters[0].type.kind === 266 /* JSDocConstructorType */; + } + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocComment = getJSDocComment(node, checkParentVariableStatement); + if (!jsDocComment) { + return undefined; + } + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === kind) { + return tag; + } + } + } + function getJSDocComment(node, checkParentVariableStatement) { + if (node.jsDocComment) { + return node.jsDocComment; + } + // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement. + // /** + // * @param {number} name + // * @returns {number} + // */ + // var x = function(name) { return name.length; } + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 /* VariableDeclaration */ && + node.parent.initializer === node && + node.parent.parent.parent.kind === 196 /* VariableStatement */; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; + if (variableStatementNode) { + return variableStatementNode.jsDocComment; + } + // Also recognize when the node is the RHS of an assignment expression + var parent_3 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && + parent_3.kind === 184 /* BinaryExpression */ && + parent_3.operatorToken.kind === 56 /* EqualsToken */ && + parent_3.parent.kind === 198 /* ExpressionStatement */; + if (isSourceOfAssignmentExpressionStatement) { + return parent_3.parent.jsDocComment; + } + var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248 /* PropertyAssignment */; + if (isPropertyAssignmentExpression) { + return parent_3.jsDocComment; + } + } + return undefined; + } + function getJSDocTypeTag(node) { + return getJSDocTag(node, 272 /* JSDocTypeTag */, /*checkParentVariableStatement*/ false); + } + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 271 /* JSDocReturnTag */, /*checkParentVariableStatement*/ true); + } + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 273 /* JSDocTemplateTag */, /*checkParentVariableStatement*/ false); + } + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 69 /* Identifier */) { + // If it's a parameter, see if the parent has a jsdoc comment with an @param + // annotation. + var parameterName = parameter.name.text; + var jsDocComment = getJSDocComment(parameter.parent, /*checkParentVariableStatement*/ true); + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === 270 /* JSDocParameterTag */) { + var parameterTag = tag; + var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; + if (name_6.text === parameterName) { + return parameterTag; + } + } + } + } + } + return undefined; + } + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); + } + ts.hasRestParameter = hasRestParameter; + function isRestParameter(node) { + if (node) { + if (node.parserContextFlags & 32 /* JavaScriptFile */) { + if (node.type && node.type.kind === 265 /* JSDocVariadicType */) { + return true; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 265 /* JSDocVariadicType */; + } + } + return node.dotDotDotToken !== undefined; + } + return false; + } + ts.isRestParameter = isRestParameter; + function isLiteralKind(kind) { + return 8 /* FirstLiteralToken */ <= kind && kind <= 11 /* LastLiteralToken */; + } + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 /* StringLiteral */ || kind === 11 /* NoSubstitutionTemplateLiteral */; + } + ts.isTextualLiteralKind = isTextualLiteralKind; + function isTemplateLiteralKind(kind) { + return 11 /* FirstTemplateToken */ <= kind && kind <= 14 /* LastTemplateToken */; + } + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isBindingPattern(node) { + return !!node && (node.kind === 165 /* ArrayBindingPattern */ || node.kind === 164 /* ObjectBindingPattern */); + } + ts.isBindingPattern = isBindingPattern; + function isNodeDescendentOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendentOf = isNodeDescendentOf; + function isInAmbientContext(node) { + while (node) { + if (node.flags & (4 /* Ambient */ | 4096 /* DeclarationFile */)) { + return true; + } + node = node.parent; + } + return false; + } + ts.isInAmbientContext = isInAmbientContext; + function isDeclaration(node) { + switch (node.kind) { + case 177 /* ArrowFunction */: + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 145 /* Constructor */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 233 /* ExportSpecifier */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 146 /* GetAccessor */: + case 226 /* ImportClause */: + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 218 /* InterfaceDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 221 /* ModuleDeclaration */: + case 227 /* NamespaceImport */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 147 /* SetAccessor */: + case 249 /* ShorthandPropertyAssignment */: + case 219 /* TypeAliasDeclaration */: + case 138 /* TypeParameter */: + case 214 /* VariableDeclaration */: + return true; + } + return false; + } + ts.isDeclaration = isDeclaration; + function isStatement(n) { + switch (n.kind) { + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + case 213 /* DebuggerStatement */: + case 200 /* DoStatement */: + case 198 /* ExpressionStatement */: + case 197 /* EmptyStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 199 /* IfStatement */: + case 210 /* LabeledStatement */: + case 207 /* ReturnStatement */: + case 209 /* SwitchStatement */: + case 211 /* ThrowStatement */: + case 212 /* TryStatement */: + case 196 /* VariableStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 230 /* ExportAssignment */: + return true; + default: + return false; + } + } + ts.isStatement = isStatement; + function isClassElement(n) { + switch (n.kind) { + case 145 /* Constructor */: + case 142 /* PropertyDeclaration */: + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + return true; + default: + return false; + } + } + ts.isClassElement = isClassElement; + // True if the given identifier, string literal, or number literal is the name of a declaration node + function isDeclarationName(name) { + if (name.kind !== 69 /* Identifier */ && name.kind !== 9 /* StringLiteral */ && name.kind !== 8 /* NumericLiteral */) { + return false; + } + var parent = name.parent; + if (parent.kind === 229 /* ImportSpecifier */ || parent.kind === 233 /* ExportSpecifier */) { + if (parent.propertyName) { + return true; + } + } + if (isDeclaration(parent)) { + return parent.name === name; + } + return false; + } + ts.isDeclarationName = isDeclarationName; + // Return true if the given identifier is classified as an IdentifierName + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 250 /* EnumMember */: + case 248 /* PropertyAssignment */: + case 169 /* PropertyAccessExpression */: + // Name in member declaration or property name in property access + return parent.name === node; + case 136 /* QualifiedName */: + // Name on right hand side of dot in a type query + if (parent.right === node) { + while (parent.kind === 136 /* QualifiedName */) { + parent = parent.parent; + } + return parent.kind === 155 /* TypeQuery */; + } + return false; + case 166 /* BindingElement */: + case 229 /* ImportSpecifier */: + // Property name in binding element or import specifier + return parent.propertyName === node; + case 233 /* ExportSpecifier */: + // Any name in an export specifier + return true; + } + return false; + } + ts.isIdentifierName = isIdentifierName; + // An alias symbol is created by one of the following declarations: + // import = ... + // import from ... + // import * as from ... + // import { x as } from ... + // export { x as } from ... + // export = ... + // export default ... + function isAliasSymbolDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ || + node.kind === 226 /* ImportClause */ && !!node.name || + node.kind === 227 /* NamespaceImport */ || + node.kind === 229 /* ImportSpecifier */ || + node.kind === 233 /* ExportSpecifier */ || + node.kind === 230 /* ExportAssignment */ && node.expression.kind === 69 /* Identifier */; + } + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; + } + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 106 /* ImplementsKeyword */); + return heritageClause ? heritageClause.types : undefined; + } + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); + return heritageClause ? heritageClause.types : undefined; + } + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } + } + } + return undefined; + } + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; + } + node = node.parent; + } + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; + } + else { + var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + if (matchResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: matchResult[3] + }, + isNoDefaultLib: false + }; + } + else { + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; + } + } + } + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 70 /* FirstKeyword */ <= token && token <= 135 /* LastKeyword */; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 /* FirstTriviaToken */ <= token && token <= 7 /* LastTriviaToken */; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && (node.flags & 256 /* Async */) !== 0 && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + /** + * A declaration has a dynamic name if both of the following are true: + * 1. The declaration has a computed property name + * 2. The computed name is *not* expressed as Symbol., where name + * is a property of the Symbol constructor that denotes a built in + * Symbol. + */ + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 137 /* ComputedPropertyName */ && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + /** + * Checks if the expression is of the form: + * Symbol.name + * where Symbol is literally the word "Symbol", and name is any identifierName + */ + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 69 /* Identifier */ || name.kind === 9 /* StringLiteral */ || name.kind === 8 /* NumericLiteral */) { + return name.text; + } + if (name.kind === 137 /* ComputedPropertyName */) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); + } + } + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + /** + * Includes the word "Symbol" with unicode escapes + */ + function isESSymbolIdentifier(node) { + return node.kind === 69 /* Identifier */ && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isModifierKind(token) { + switch (token) { + case 115 /* AbstractKeyword */: + case 118 /* AsyncKeyword */: + case 74 /* ConstKeyword */: + case 122 /* DeclareKeyword */: + case 77 /* DefaultKeyword */: + case 82 /* ExportKeyword */: + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + return true; + } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 139 /* Parameter */; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 166 /* BindingElement */) { + node = node.parent.parent; + } + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(n) { + return isFunctionLike(n) || n.kind === 221 /* ModuleDeclaration */ || n.kind === 251 /* SourceFile */; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + /** + * Creates a shallow, memberwise clone of a node. The "kind", "pos", "end", "flags", and "parent" + * properties are excluded by default, and can be provided via the "location", "flags", and + * "parent" parameters. + * @param node The node to clone. + * @param location An optional TextRange to use to supply the new position. + * @param flags The NodeFlags to use for the cloned node. + * @param parent The parent for the new node. + */ + function cloneNode(node, location, flags, parent) { + // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of + // the original node. We also need to exclude specific properties and only include own- + // properties (to skip members already defined on the shared prototype). + var clone = location !== undefined + ? ts.createNode(node.kind, location.pos, location.end) + : createSynthesizedNode(node.kind); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; + } + clone[key] = node[key]; + } + if (flags !== undefined) { + clone.flags = flags; + } + if (parent !== undefined) { + clone.parent = parent; + } + return clone; + } + ts.cloneNode = cloneNode; + /** + * Creates a deep clone of an EntityName, with new parent pointers. + * @param node The EntityName to clone. + * @param parent The parent for the cloned node. + */ + function cloneEntityName(node, parent) { + var clone = cloneNode(node, node, node.flags, parent); + if (isQualifiedName(clone)) { + var left = clone.left, right = clone.right; + clone.left = cloneEntityName(left, clone); + clone.right = cloneNode(right, right, right.flags, parent); + } + return clone; + } + ts.cloneEntityName = cloneEntityName; + function isQualifiedName(node) { + return node.kind === 136 /* QualifiedName */; + } + ts.isQualifiedName = isQualifiedName; + function nodeIsSynthesized(node) { + return node.pos === -1; + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = ts.createNode(kind, /* pos */ -1, /* end */ -1); + node.startsOnNewLine = startsOnNewLine; + return node; + } + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray() { + var array = []; + array.pos = -1; + array.end = -1; + return array; + } + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = {}; + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; + } + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; + } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; + } + } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; + } + } + else { + diagnostics = nonFileDiagnostics; + } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; + } + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; + } + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); + } + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); + } + } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + } + } + } + } + ts.createDiagnosticCollection = createDiagnosticCollection; + // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator, + // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in + // the language service. These characters should be escaped when printing, and if any characters are added, + // the map below must be updated. Note that this regexp *does not* include the 'delete' character. + // There is no reason for this other than that JSON.stringify does not handle it either. + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = { + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" // nextLine + }; + /** + * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2), + * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine) + * Note that this doesn't actually wrap the input in double quotes. + */ + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); + } + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + // Replace non-ASCII characters with '\uNNNN' escapes if any exist. + // Otherwise just return the original string. + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + } + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } + } + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; + } + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } + } + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } + } + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } + } + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); + } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + reset: reset + }; + } + ts.createTextWriter = createTextWriter; + /** + * Resolves a local path to a path which is absolute to the base of the emit + */ + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); + } + else { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); + } + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getEmitScriptTarget(compilerOptions) { + return compilerOptions.target || 0 /* ES3 */; + } + ts.getEmitScriptTarget = getEmitScriptTarget; + function getEmitModuleKind(compilerOptions) { + return typeof compilerOptions.module === "number" ? + compilerOptions.module : + getEmitScriptTarget(compilerOptions) === 2 /* ES6 */ ? 5 /* ES6 */ : 1 /* CommonJS */; + } + ts.getEmitModuleKind = getEmitModuleKind; + function forEachExpectedEmitFile(host, action, targetSourceFile) { + var options = host.getCompilerOptions(); + // Emit on each source file + if (options.outFile || options.out) { + onBundledEmit(host); + } + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + if (!isDeclarationFile(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } + } + function onSingleFileEmit(host, sourceFile) { + // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also. + // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve. + // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve + var extension = ".js"; + if (options.jsx === 1 /* Preserve */) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1 /* JSX */) { + // TypeScript source file preserving JSX syntax + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined + }; + action(emitFileNames, [sourceFile], /*isBundledEmit*/ false); + } + function onBundledEmit(host) { + // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + (!isExternalModule(sourceFile) || + (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); // module that can emit - note falsy value from getEmitModuleKind means the module kind that shouldn't be emitted + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) + }; + action(emitFileNames, bundledSources, /*isBundledEmit*/ true); + } + } + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; + } + function getDeclarationEmitFilePath(jsFilePath, options) { + return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + } + } + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); + return ts.combinePaths(newDirPath, sourceFilePath); + } + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }); + } + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + } + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + } + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 145 /* Constructor */ && nodeIsPresent(member.body)) { + return member; + } + }); + } + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; + } + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 146 /* GetAccessor */) { + getAccessor = accessor; + } + else if (accessor.kind === 147 /* SetAccessor */) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } + } + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) + && (member.flags & 64 /* Static */) === (accessor.flags & 64 /* Static */)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 146 /* GetAccessor */ && !getAccessor) { + getAccessor = member; + } + if (member.kind === 147 /* SetAccessor */ && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; + } + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + // If the leading comments start on different line than the start of node, write new line + if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); + } + } + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { + var emitLeadingSpace = !trailingSeparator; + ts.forEach(comments, function (comment) { + if (emitLeadingSpace) { + writer.write(" "); + emitLeadingSpace = false; + } + writeComment(text, lineMap, writer, comment, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else if (trailingSeparator) { + writer.write(" "); + } + else { + // Emit leading space to separate comment during next comment emit + emitLeadingSpace = true; + } + }); + } + ts.emitComments = emitComments; + /** + * Detached comment is a comment at the top of file or function body that is separated from + * the next statement by space. + */ + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + // removeComments is true, only reserve pinned comment at the top of file + // For example: + // /*! Pinned Comment */ + // + // var x = 10; + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } + } + else { + // removeComments is false, just get detached as normal and bypass the process to filter comment + leadingComments = ts.getLeadingCommentRanges(text, node.pos); + } + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + // There was a blank line between the last comment and this comment. This + // comment is not part of the copyright comments. Return what we have so + // far. + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + // All comments look like they could have been part of the copyright header. Make + // sure there is at least one blank line between it and the node. If not, it's not + // a copyright header. + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + // Valid detachedComments + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, /*trailingSeparator*/ true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } + } + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 2) === 33 /* exclamation */; + } + } + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, comment, newLine) { + if (text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== comment.pos) { + // If we are not emitting first line, we need to write the spaces to adjust the alignment + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); + } + // These are number of spaces writer is going to write at current indent + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + // Number of spaces we want to be writing + // eg: Assume writer indent + // module m { + // /* starts at character 9 this is line 1 + // * starts at character pos 4 line --1 = 8 - 8 + 3 + // More left indented comment */ --2 = 8 - 8 + 2 + // class c { } + // } + // module m { + // /* this is line 1 -- Assume current writer indent 8 + // * line --3 = 8 - 4 + 5 + // More right indented comment */ --4 = 8 - 4 + 11 + // class c { } + // } + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces + writer.rawWrite(indentSizeSpaceString); + // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces) + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + // No spaces to emit write empty string + writer.rawWrite(""); + } + } + // Write the comment line text + writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } + } + else { + // Single line comment of style //.... + writer.write(text.substring(comment.pos, comment.end)); + } + } + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { + var end = Math.min(comment.end, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + // trimmed forward and ending spaces text + writer.write(currentLineText); + if (end !== comment.end) { + writer.writeLine(); + } + } + else { + // Empty string - make sure we write empty line + writer.writeLiteral(newLine); + } + } + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9 /* tab */) { + // Tabs = TabSize = indent size and go to next tabStop + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + // Single space + currentLineIndent++; + } + } + return currentLineIndent; + } + function modifierToFlag(token) { + switch (token) { + case 113 /* StaticKeyword */: return 64 /* Static */; + case 112 /* PublicKeyword */: return 8 /* Public */; + case 111 /* ProtectedKeyword */: return 32 /* Protected */; + case 110 /* PrivateKeyword */: return 16 /* Private */; + case 115 /* AbstractKeyword */: return 128 /* Abstract */; + case 82 /* ExportKeyword */: return 2 /* Export */; + case 122 /* DeclareKeyword */: return 4 /* Ambient */; + case 74 /* ConstKeyword */: return 16384 /* Const */; + case 77 /* DefaultKeyword */: return 512 /* Default */; + case 118 /* AsyncKeyword */: return 256 /* Async */; + } + return 0; + } + ts.modifierToFlag = modifierToFlag; + function isLeftHandSideExpression(expr) { + if (expr) { + switch (expr.kind) { + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 172 /* NewExpression */: + case 171 /* CallExpression */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 173 /* TaggedTemplateExpression */: + case 167 /* ArrayLiteralExpression */: + case 175 /* ParenthesizedExpression */: + case 168 /* ObjectLiteralExpression */: + case 189 /* ClassExpression */: + case 176 /* FunctionExpression */: + case 69 /* Identifier */: + case 10 /* RegularExpressionLiteral */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 186 /* TemplateExpression */: + case 84 /* FalseKeyword */: + case 93 /* NullKeyword */: + case 97 /* ThisKeyword */: + case 99 /* TrueKeyword */: + case 95 /* SuperKeyword */: + return true; + } + } + return false; + } + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isAssignmentOperator(token) { + return token >= 56 /* FirstAssignment */ && token <= 68 /* LastAssignment */; + } + ts.isAssignmentOperator = isAssignmentOperator; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return node.kind === 191 /* ExpressionWithTypeArguments */ && + node.parent.token === 83 /* ExtendsKeyword */ && + isClassLike(node.parent.parent); + } + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + // Returns false if this heritage clause element's expression contains something unsupported + // (i.e. not a name or dotted name). + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 69 /* Identifier */) { + return true; + } + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; + } + } + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) || + (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node); + } + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 168 /* ObjectLiteralExpression */) { + return expression.properties.length === 0; + } + if (kind === 167 /* ArrayLiteralExpression */) { + return expression.elements.length === 0; + } + return false; + } + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512 /* Default */) ? symbol.valueDeclaration.localSymbol : undefined; + } + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function hasJavaScriptFileExtension(fileName) { + return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; + /** + * Replace each instance of non-ascii characters by one, two, three, or four escape sequences + * representing the UTF-8 encoding of the character, and return the expanded char code list. + */ + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + // handel utf8 + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } + } + return output; + } + /** + * Serialize an object graph into a JSON string. This is intended only for use on an acyclic graph + * as the fallback implementation does not check for circular references by default. + */ + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + /** + * Serialize an object graph into a JSON string. + */ + function stringifyFallback(value) { + // JSON.stringify returns `undefined` here, instead of the string "undefined". + return value === undefined ? undefined : stringifyValue(value); + } + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; + } + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; + } + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + } + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); + } + function stringifyObject(value) { + return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; + } + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + } + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + /** + * Converts a string to a base-64 encoded ASCII string. + */ + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + // Convert every 6-bits in the input 3 character points + // into a base64 digit + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + // We are out of characters in the input, set the extra + // digits to 64 (padding character). + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + // Write to the ouput + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; + } + return result; + } + ts.convertToBase64 = convertToBase64; + function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { + return !ts.isRootedDiskPath(absoluteOrRelativePath) + ? absoluteOrRelativePath + : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /* isAbsolutePathAnUrl */ false); + } + ts.convertToRelativePath = convertToRelativePath; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0 /* CarriageReturnLineFeed */) { + return carriageReturnLineFeed; + } + else if (options.newLine === 1 /* LineFeed */) { + return lineFeed; + } + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; + } + ts.getNewLineCharacter = getNewLineCharacter; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDefaultLibFileName(options) { + return options.target === 2 /* ES6 */ ? "lib.es6.d.ts" : "lib.d.ts"; + } + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; + } + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; + } + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); + } + ts.textSpanContainsPosition = textSpanContainsPosition; + // Returns true if 'span' contains 'other'. + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); + } + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; + } + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; + } + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + } + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; + } + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; + } + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; + } + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); + } + return undefined; + } + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); + } + if (length < 0) { + throw new Error("length < 0"); + } + return { start: start, length: length }; + } + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); + } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); + } + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); + } + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + /** + * Called to merge all the changes that occurred across several versions of a script snapshot + * into a single change. i.e. if a user keeps making successive edits to a script we will + * have a text change from V1 to V2, V2 to V3, ..., Vn. + * + * This function will then merge those changes into a single change range valid between V1 and + * Vn. + */ + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; + } + if (changes.length === 1) { + return changes[0]; + } + // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd } + // as it makes things much easier to reason about. + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + // Consider the following case: + // i.e. two edits. The first represents the text change range { { 10, 50 }, 30 }. i.e. The span starting + // at 10, with length 50 is reduced to length 30. The second represents the text change range { { 30, 30 }, 40 }. + // i.e. the span starting at 30 with length 30 is increased to length 40. + // + // 0 10 20 30 40 50 60 70 80 90 100 + // ------------------------------------------------------------------------------------------------------- + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ------------------------------------------------------------------------------------------------------- + // | \ + // | \ + // T2 | \ + // | \ + // | \ + // ------------------------------------------------------------------------------------------------------- + // + // Merging these turns out to not be too difficult. First, determining the new start of the change is trivial + // it's just the min of the old and new starts. i.e.: + // + // 0 10 20 30 40 50 60 70 80 90 100 + // ------------------------------------------------------------*------------------------------------------ + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ----------------------------------------$-------------------$------------------------------------------ + // . | \ + // . | \ + // T2 . | \ + // . | \ + // . | \ + // ----------------------------------------------------------------------*-------------------------------- + // + // (Note the dots represent the newly inferrred start. + // Determining the new and old end is also pretty simple. Basically it boils down to paying attention to the + // absolute positions at the asterixes, and the relative change between the dollar signs. Basically, we see + // which if the two $'s precedes the other, and we move that one forward until they line up. in this case that + // means: + // + // 0 10 20 30 40 50 60 70 80 90 100 + // --------------------------------------------------------------------------------*---------------------- + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ------------------------------------------------------------$------------------------------------------ + // . | \ + // . | \ + // T2 . | \ + // . | \ + // . | \ + // ----------------------------------------------------------------------*-------------------------------- + // + // In other words (in this case), we're recognizing that the second edit happened after where the first edit + // ended with a delta of 20 characters (60 - 40). Thus, if we go back in time to where the first edit started + // that's the same as if we started at char 80 instead of 60. + // + // As it so happens, the same logic applies if the second edit precedes the first edit. In that case rahter + // than pusing the first edit forward to match the second, we'll push the second edit forward to match the + // first. + // + // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange + // semantics: { { start: 10, length: 70 }, newLength: 60 } + // + // The math then works out as follows. + // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the + // final result like so: + // + // { + // oldStart3: Min(oldStart1, oldStart2), + // oldEnd3 : Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)), + // newEnd3 : Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)) + // } + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength:*/ newEndN - oldStartN); + } + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 138 /* TypeParameter */) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218 /* InterfaceDeclaration */) { + return current; + } + } + } + } + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return node.flags & 56 /* AccessibilityModifier */ && node.parent.kind === 145 /* Constructor */ && ts.isClassLike(node.parent.parent); + } + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; +})(ts || (ts = {})); +/// +/// +var ts; +(function (ts) { + /* @internal */ ts.parseTime = 0; + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 251 /* SourceFile */) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); + } + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + } + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); + } + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); + } + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } + } + } + } + // Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes + // stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise, + // embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns + // a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned. + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; + } + // The visitXXX functions could be written as local functions that close over the cbNode and cbNodeArray + // callback parameters, but that causes a closure allocation for each invocation with noticeable effects + // on performance. + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 136 /* QualifiedName */: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 138 /* TypeParameter */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 249 /* ShorthandPropertyAssignment */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 152 /* TypeReference */: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 151 /* TypePredicate */: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 155 /* TypeQuery */: + return visitNode(cbNode, node.exprName); + case 156 /* TypeLiteral */: + return visitNodes(cbNodes, node.members); + case 157 /* ArrayType */: + return visitNode(cbNode, node.elementType); + case 158 /* TupleType */: + return visitNodes(cbNodes, node.elementTypes); + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return visitNodes(cbNodes, node.types); + case 161 /* ParenthesizedType */: + return visitNode(cbNode, node.type); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + return visitNodes(cbNodes, node.elements); + case 167 /* ArrayLiteralExpression */: + return visitNodes(cbNodes, node.elements); + case 168 /* ObjectLiteralExpression */: + return visitNodes(cbNodes, node.properties); + case 169 /* PropertyAccessExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.dotToken) || + visitNode(cbNode, node.name); + case 170 /* ElementAccessExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 173 /* TaggedTemplateExpression */: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 174 /* TypeAssertionExpression */: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 175 /* ParenthesizedExpression */: + return visitNode(cbNode, node.expression); + case 178 /* DeleteExpression */: + return visitNode(cbNode, node.expression); + case 179 /* TypeOfExpression */: + return visitNode(cbNode, node.expression); + case 180 /* VoidExpression */: + return visitNode(cbNode, node.expression); + case 182 /* PrefixUnaryExpression */: + return visitNode(cbNode, node.operand); + case 187 /* YieldExpression */: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 181 /* AwaitExpression */: + return visitNode(cbNode, node.expression); + case 183 /* PostfixUnaryExpression */: + return visitNode(cbNode, node.operand); + case 184 /* BinaryExpression */: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 192 /* AsExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 185 /* ConditionalExpression */: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 188 /* SpreadElementExpression */: + return visitNode(cbNode, node.expression); + case 195 /* Block */: + case 222 /* ModuleBlock */: + return visitNodes(cbNodes, node.statements); + case 251 /* SourceFile */: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 196 /* VariableStatement */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 215 /* VariableDeclarationList */: + return visitNodes(cbNodes, node.declarations); + case 198 /* ExpressionStatement */: + return visitNode(cbNode, node.expression); + case 199 /* IfStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 200 /* DoStatement */: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 201 /* WhileStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 202 /* ForStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 203 /* ForInStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 204 /* ForOfStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return visitNode(cbNode, node.label); + case 207 /* ReturnStatement */: + return visitNode(cbNode, node.expression); + case 208 /* WithStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209 /* SwitchStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 223 /* CaseBlock */: + return visitNodes(cbNodes, node.clauses); + case 244 /* CaseClause */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 245 /* DefaultClause */: + return visitNodes(cbNodes, node.statements); + case 210 /* LabeledStatement */: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 211 /* ThrowStatement */: + return visitNode(cbNode, node.expression); + case 212 /* TryStatement */: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 247 /* CatchClause */: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 140 /* Decorator */: + return visitNode(cbNode, node.expression); + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 218 /* InterfaceDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 219 /* TypeAliasDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 220 /* EnumDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 250 /* EnumMember */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 221 /* ModuleDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 224 /* ImportEqualsDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 225 /* ImportDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 226 /* ImportClause */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 227 /* NamespaceImport */: + return visitNode(cbNode, node.name); + case 228 /* NamedImports */: + case 232 /* NamedExports */: + return visitNodes(cbNodes, node.elements); + case 231 /* ExportDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 230 /* ExportAssignment */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 186 /* TemplateExpression */: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 193 /* TemplateSpan */: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 137 /* ComputedPropertyName */: + return visitNode(cbNode, node.expression); + case 246 /* HeritageClause */: + return visitNodes(cbNodes, node.types); + case 191 /* ExpressionWithTypeArguments */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 235 /* ExternalModuleReference */: + return visitNode(cbNode, node.expression); + case 234 /* MissingDeclaration */: + return visitNodes(cbNodes, node.decorators); + case 236 /* JsxElement */: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 237 /* JsxSelfClosingElement */: + case 238 /* JsxOpeningElement */: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 241 /* JsxAttribute */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 242 /* JsxSpreadAttribute */: + return visitNode(cbNode, node.expression); + case 243 /* JsxExpression */: + return visitNode(cbNode, node.expression); + case 240 /* JsxClosingElement */: + return visitNode(cbNode, node.tagName); + case 252 /* JSDocTypeExpression */: + return visitNode(cbNode, node.type); + case 256 /* JSDocUnionType */: + return visitNodes(cbNodes, node.types); + case 257 /* JSDocTupleType */: + return visitNodes(cbNodes, node.types); + case 255 /* JSDocArrayType */: + return visitNode(cbNode, node.elementType); + case 259 /* JSDocNonNullableType */: + return visitNode(cbNode, node.type); + case 258 /* JSDocNullableType */: + return visitNode(cbNode, node.type); + case 260 /* JSDocRecordType */: + return visitNodes(cbNodes, node.members); + case 262 /* JSDocTypeReference */: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 263 /* JSDocOptionalType */: + return visitNode(cbNode, node.type); + case 264 /* JSDocFunctionType */: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 265 /* JSDocVariadicType */: + return visitNode(cbNode, node.type); + case 266 /* JSDocConstructorType */: + return visitNode(cbNode, node.type); + case 267 /* JSDocThisType */: + return visitNode(cbNode, node.type); + case 261 /* JSDocRecordMember */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 268 /* JSDocComment */: + return visitNodes(cbNodes, node.tags); + case 270 /* JSDocParameterTag */: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 271 /* JSDocReturnTag */: + return visitNode(cbNode, node.typeExpression); + case 272 /* JSDocTypeTag */: + return visitNode(cbNode, node.typeExpression); + case 273 /* JSDocTemplateTag */: + return visitNodes(cbNodes, node.typeParameters); + } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { + if (setParentNodes === void 0) { setParentNodes = false; } + var start = new Date().getTime(); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes); + ts.parseTime += new Date().getTime() - start; + return result; + } + ts.createSourceFile = createSourceFile; + // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter + // indicates what changed between the 'text' that this SourceFile has and the 'newText'. + // The SourceFile will be created with the compiler attempting to reuse as many nodes from + // this file as possible. + // + // Note: this function mutates nodes from this SourceFile. That means any existing nodes + // from this SourceFile that are being held onto may change as a result (including + // becoming detached from any SourceFile). It is recommended that this SourceFile not + // be used once 'update' is called on it. + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + /* @internal */ + function parseIsolatedJSDocComment(content, start, length) { + return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + /* @internal */ + // Exposed only for testing. + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + // Implement the parser as a singleton module. We do this for perf reasons because creating + // parser instances can actually be expensive enough to impact us on projects with many source + // files. + var Parser; + (function (Parser) { + // Share a single scanner across all calls to parse a source file. This helps speed things + // up by avoiding the cost of creating/compiling scanners over and over again. + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); + var disallowInAndDecoratorContext = 1 /* DisallowIn */ | 4 /* Decorator */; + // capture constructors in 'initializeState' to avoid null checks + var NodeConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var token; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + // Flags that dictate what parsing context we're in. For example: + // Whether or not we are in strict parsing mode. All that changes in strict parsing mode is + // that some tokens that would be considered identifiers may be considered keywords. + // + // When adding more parser context flags, consider which is the more common case that the + // flag will be in. This should be the 'false' state for that flag. The reason for this is + // that we don't store data in our nodes unless the value is in the *non-default* state. So, + // for example, more often than code 'allows-in' (or doesn't 'disallow-in'). We opt for + // 'disallow-in' set to 'false'. Otherwise, if we had 'allowsIn' set to 'true', then almost + // all nodes would need extra state on them to store this info. + // + // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6 + // grammar specification. + // + // An important thing about these context concepts. By default they are effectively inherited + // while parsing through every grammar production. i.e. if you don't change them, then when + // you parse a sub-production, it will have the same context values as the parent production. + // This is great most of the time. After all, consider all the 'expression' grammar productions + // and how nearly all of them pass along the 'in' and 'yield' context values: + // + // EqualityExpression[In, Yield] : + // RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield] + // + // Where you have to be careful is then understanding what the points are in the grammar + // where the values are *not* passed along. For example: + // + // SingleNameBinding[Yield,GeneratorParameter] + // [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt + // [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt + // + // Here this is saying that if the GeneratorParameter context flag is set, that we should + // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier + // and we should explicitly unset the 'yield' context flag before calling into the Initializer. + // production. Conversely, if the GeneratorParameter context flag is not set, then we + // should leave the 'yield' context flag alone. + // + // Getting this all correct is tricky and requires careful reading of the grammar to + // understand when these values should be changed versus when they should be inherited. + // + // Note: it should not be necessary to save/restore these flags during speculative/lookahead + // parsing. These context flags are naturally stored and restored through normal recursive + // descent parsing and unwinding. + var contextFlags; + // Whether or not we've had a parse error since creating the last AST node. If we have + // encountered an error, it will be stored on the next AST node we create. Parse errors + // can be broken down into three categories: + // + // 1) An error that occurred during scanning. For example, an unterminated literal, or a + // character that was completely not understood. + // + // 2) A token was expected, but was not present. This type of error is commonly produced + // by the 'parseExpected' function. + // + // 3) A token was present that no parsing function was able to consume. This type of error + // only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser + // decides to skip the token. + // + // In all of these cases, we want to mark the next node as having had an error before it. + // With this mark, we can know in incremental settings if this node can be reused, or if + // we have to reparse it. If we don't keep this information around, we may just reuse the + // node. in that event we would then not produce the same errors as we did before, causing + // significant confusion problems. + // + // Note: it is necessary that this value be saved/restored during speculative/lookahead + // parsing. During lookahead parsing, we will often create a node. That node will have + // this value attached, and then this value will be set back to 'false'. If we decide to + // rewind, we must get back to the same value we had prior to the lookahead. + // + // Note: any errors at the end of the file that do not precede a regular node, should get + // attached to the EOF token. + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { + var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; + initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); + clearState(); + return result; + } + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(fileName) { + // .tsx and .jsx files are treated as jsx language variant. + return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 /* JSX */ : 0 /* Standard */; + } + function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = {}; + identifierCount = 0; + nodeCount = 0; + contextFlags = isJavaScriptFile ? 32 /* JavaScriptFile */ : 0 /* None */; + parseErrorBeforeNextFinishedNode = false; + // Initialize and prime the scanner before parsing the source elements. + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(fileName)); + } + function clearState() { + // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily. + scanner.setText(""); + scanner.setOnError(undefined); + // Clear any data. We don't want to accidently hold onto it for too long. + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; + } + function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { + sourceFile = createSourceFile(fileName, languageVersion); + if (contextFlags & 32 /* JavaScriptFile */) { + sourceFile.parserContextFlags = 32 /* JavaScriptFile */; + } + // Prime the scanner. + token = nextToken(); + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0 /* SourceElements */, parseStatement); + ts.Debug.assert(token === 1 /* EndOfFileToken */); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + if (contextFlags & 32 /* JavaScriptFile */) { + var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); + if (comments) { + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (jsDocComment) { + node.jsDocComment = jsDocComment; + } + } + } + } + return node; + } + function fixupParentReferences(sourceFile) { + // normally parent references are set during binding. However, for clients that only need + // a syntax tree, and no semantic features, then the binding process is an unnecessary + // overhead. This functions allows us to set all the parents, without all the expense of + // binding. + var parent = sourceFile; + forEachChild(sourceFile, visitNode); + return; + function visitNode(n) { + // walk down setting parents that differ from the parent we think it should be. This + // allows us to quickly bail out of setting parents for subtrees during incremental + // parsing + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + parent = saveParent; + } + } + } + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion) { + // code from createNode is inlined here so createNode won't have to deal with special case of creating source files + // this is quite rare comparing to other nodes and createNode should be as fast as possible + var sourceFile = new SourceFileConstructor(251 /* SourceFile */, /*pos*/ 0, /* end */ sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 /* DeclarationFile */ : 0; + sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); + return sourceFile; + } + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; + } + else { + contextFlags &= ~flag; + } + } + function setDisallowInContext(val) { + setContextFlag(val, 1 /* DisallowIn */); + } + function setYieldContext(val) { + setContextFlag(val, 2 /* Yield */); + } + function setDecoratorContext(val) { + setContextFlag(val, 4 /* Decorator */); + } + function setAwaitContext(val) { + setContextFlag(val, 8 /* Await */); + } + function doOutsideOfContext(context, func) { + // contextFlagsToClear will contain only the context flags that are + // currently set that we need to temporarily clear + // We don't just blindly reset to the previous flags to ensure + // that we do not mutate cached flags for the incremental + // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and + // HasAggregatedChildData). + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + // clear the requested context flags + setContextFlag(/*val*/ false, contextFlagsToClear); + var result = func(); + // restore the context flags we just cleared + setContextFlag(/*val*/ true, contextFlagsToClear); + return result; + } + // no need to do anything special as we are not in any of the requested contexts + return func(); + } + function doInsideOfContext(context, func) { + // contextFlagsToSet will contain only the context flags that + // are not currently set that we need to temporarily enable. + // We don't just blindly reset to the previous flags to ensure + // that we do not mutate cached flags for the incremental + // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and + // HasAggregatedChildData). + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + // set the requested context flags + setContextFlag(/*val*/ true, contextFlagsToSet); + var result = func(); + // reset the context flags we just set + setContextFlag(/*val*/ false, contextFlagsToSet); + return result; + } + // no need to do anything special as we are already in all of the requested contexts + return func(); + } + function allowInAnd(func) { + return doOutsideOfContext(1 /* DisallowIn */, func); + } + function disallowInAnd(func) { + return doInsideOfContext(1 /* DisallowIn */, func); + } + function doInYieldContext(func) { + return doInsideOfContext(2 /* Yield */, func); + } + function doInDecoratorContext(func) { + return doInsideOfContext(4 /* Decorator */, func); + } + function doInAwaitContext(func) { + return doInsideOfContext(8 /* Await */, func); + } + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(8 /* Await */, func); + } + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(2 /* Yield */ | 8 /* Await */, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(2 /* Yield */); + } + function inDisallowInContext() { + return inContext(1 /* DisallowIn */); + } + function inDecoratorContext() { + return inContext(4 /* Decorator */); + } + function inAwaitContext() { + return inContext(8 /* Await */); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + // Don't report another error if it would just be at the same position as the last error. + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); + } + // Mark that we've encountered an error. We'll set an appropriate bit on the next + // node we finish so that it can't be reused incrementally. + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); + } + function nextToken() { + return token = scanner.scan(); + } + function reScanGreaterToken() { + return token = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return token = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return token = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return token = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return token = scanner.scanJsxToken(); + } + function speculationHelper(callback, isLookAhead) { + // Keep track of the state we'll need to rollback to if lookahead fails (or if the + // caller asked us to always reset our state). + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + // Note: it is not actually necessary to save/restore the context flags here. That's + // because the saving/restoring of these flags happens naturally through the recursive + // descent nature of our parser. However, we still store this here just so we can + // assert that that invariant holds. + var saveContextFlags = contextFlags; + // If we're only looking ahead, then tell the scanner to only lookahead as well. + // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the + // same. + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + // If our callback returned something 'falsy' or we're just looking ahead, + // then unconditionally restore us to where we were. + if (!result || isLookAhead) { + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + } + return result; + } + /** Invokes the provided callback then unconditionally restores the parser to the state it + * was in immediately prior to invoking the callback. The result of invoking the callback + * is returned from this function. + */ + function lookAhead(callback) { + return speculationHelper(callback, /*isLookAhead*/ true); + } + /** Invokes the provided callback. If the callback returns something falsy, then it restores + * the parser to the state it was in immediately prior to invoking the callback. If the + * callback returns something truthy, then the parser state is not rolled back. The result + * of invoking the callback is returned from this function. + */ + function tryParse(callback) { + return speculationHelper(callback, /*isLookAhead*/ false); + } + // Ignore strict mode flag because we will report an error in type checker instead. + function isIdentifier() { + if (token === 69 /* Identifier */) { + return true; + } + // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is + // considered a keyword and is not an identifier. + if (token === 114 /* YieldKeyword */ && inYieldContext()) { + return false; + } + // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is + // considered a keyword and is not an identifier. + if (token === 119 /* AwaitKeyword */ && inAwaitContext()) { + return false; + } + return token > 105 /* LastReservedWord */; + } + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token === kind) { + if (shouldAdvance) { + nextToken(); + } + return true; + } + // Report specific message if provided with one. Otherwise, report generic fallback message. + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); + } + return false; + } + function parseOptional(t) { + if (token === t) { + nextToken(); + return true; + } + return false; + } + function parseOptionalToken(t) { + if (token === t) { + return parseTokenNode(); + } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + // If there's a real semicolon, then we can always parse it out. + if (token === 23 /* SemicolonToken */) { + return true; + } + // We can parse out an optional semicolon in ASI cases in the following cases. + return token === 16 /* CloseBraceToken */ || token === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak(); + } + function parseSemicolon() { + if (canParseSemicolon()) { + if (token === 23 /* SemicolonToken */) { + // consume the semicolon if it was explicitly provided. + nextToken(); + } + return true; + } + else { + return parseExpected(23 /* SemicolonToken */); + } + } + // note: this function creates only node + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); + } + return new NodeConstructor(kind, pos, pos); + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.parserContextFlags = contextFlags; + } + // Keep track on the node if we encountered an error while parsing it. If we did, then + // we cannot reuse the node incrementally. Once we've marked this node, clear out the + // flag so that we don't mark any subsequent nodes. + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.parserContextFlags |= 16 /* ThisNodeHasError */; + } + return node; + } + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); + } + else { + parseErrorAtCurrentToken(diagnosticMessage, arg0); + } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); + } + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); + } + // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues + // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for + // each identifier in order to reduce memory consumption. + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(69 /* Identifier */); + // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker + if (token !== 69 /* Identifier */) { + node.originalKeywordKind = token; + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); + } + return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token) || + token === 9 /* StringLiteral */ || + token === 8 /* NumericLiteral */; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */) { + return parseLiteralNode(/*internName*/ true); + } + if (allowComputedPropertyNames && token === 19 /* OpenBracketToken */) { + return parseComputedPropertyName(); + } + return parseIdentifierName(); + } + function parsePropertyName() { + return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true); + } + function parseSimplePropertyName() { + return parsePropertyNameWorker(/*allowComputedPropertyNames*/ false); + } + function isSimplePropertyName() { + return token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */ || ts.tokenIsIdentifierOrKeyword(token); + } + function parseComputedPropertyName() { + // PropertyName [Yield]: + // LiteralPropertyName + // ComputedPropertyName[?Yield] + var node = createNode(137 /* ComputedPropertyName */); + parseExpected(19 /* OpenBracketToken */); + // We parse any expression (including a comma expression). But the grammar + // says that only an assignment expression is allowed, so the grammar checker + // will error if it sees a comma expression. + node.expression = allowInAnd(parseExpression); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function parseContextualModifier(t) { + return token === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token === 74 /* ConstKeyword */) { + // 'const' is only a modifier if followed by 'enum'. + return nextToken() === 81 /* EnumKeyword */; + } + if (token === 82 /* ExportKeyword */) { + nextToken(); + if (token === 77 /* DefaultKeyword */) { + return lookAhead(nextTokenIsClassOrFunction); + } + return token !== 37 /* AsteriskToken */ && token !== 15 /* OpenBraceToken */ && canFollowModifier(); + } + if (token === 77 /* DefaultKeyword */) { + return nextTokenIsClassOrFunction(); + } + if (token === 113 /* StaticKeyword */) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); + } + function parseAnyContextualModifier() { + return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); + } + function canFollowModifier() { + return token === 19 /* OpenBracketToken */ + || token === 15 /* OpenBraceToken */ + || token === 37 /* AsteriskToken */ + || isLiteralPropertyName(); + } + function nextTokenIsClassOrFunction() { + nextToken(); + return token === 73 /* ClassKeyword */ || token === 87 /* FunctionKeyword */; + } + // True if positioned at the start of a list element + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0 /* SourceElements */: + case 1 /* BlockStatements */: + case 3 /* SwitchClauseStatements */: + // If we're in error recovery, then we don't want to treat ';' as an empty statement. + // The problem is that ';' can show up in far too many contexts, and if we see one + // and assume it's a statement, then we may bail out inappropriately from whatever + // we're parsing. For example, if we have a semicolon in the middle of a class, then + // we really don't want to assume the class is over and we're on a statement in the + // outer module. We just want to consume and move on. + return !(token === 23 /* SemicolonToken */ && inErrorRecovery) && isStartOfStatement(); + case 2 /* SwitchClauses */: + return token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; + case 4 /* TypeMembers */: + return isStartOfTypeMember(); + case 5 /* ClassMembers */: + // We allow semicolons as class elements (as specified by ES6) as long as we're + // not in error recovery. If we're in error recovery, we don't want an errant + // semicolon to be treated as a class member (since they're almost always used + // for statements. + return lookAhead(isClassMemberStart) || (token === 23 /* SemicolonToken */ && !inErrorRecovery); + case 6 /* EnumMembers */: + // Include open bracket computed properties. This technically also lets in indexers, + // which would be a candidate for improved error reporting. + return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); + case 12 /* ObjectLiteralMembers */: + return token === 19 /* OpenBracketToken */ || token === 37 /* AsteriskToken */ || isLiteralPropertyName(); + case 9 /* ObjectBindingElements */: + return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); + case 7 /* HeritageClauseElement */: + // If we see { } then only consume it as an expression if it is followed by , or { + // That way we won't consume the body of a class in its heritage clause. + if (token === 15 /* OpenBraceToken */) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + else { + // If we're in error recovery we tighten up what we're willing to match. + // That way we don't treat something like "this" as a valid heritage clause + // element during recovery. + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8 /* VariableDeclarations */: + return isIdentifierOrPattern(); + case 10 /* ArrayBindingElements */: + return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isIdentifierOrPattern(); + case 17 /* TypeParameters */: + return isIdentifier(); + case 11 /* ArgumentExpressions */: + case 15 /* ArrayLiteralMembers */: + return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isStartOfExpression(); + case 16 /* Parameters */: + return isStartOfParameter(); + case 18 /* TypeArguments */: + case 19 /* TupleElementTypes */: + return token === 24 /* CommaToken */ || isStartOfType(); + case 20 /* HeritageClauses */: + return isHeritageClause(); + case 21 /* ImportOrExportSpecifiers */: + return ts.tokenIsIdentifierOrKeyword(token); + case 13 /* JsxAttributes */: + return ts.tokenIsIdentifierOrKeyword(token) || token === 15 /* OpenBraceToken */; + case 14 /* JsxChildren */: + return true; + case 22 /* JSDocFunctionParameters */: + case 23 /* JSDocTypeArguments */: + case 25 /* JSDocTupleTypes */: + return JSDocParser.isJSDocType(); + case 24 /* JSDocRecordMembers */: + return isSimplePropertyName(); + } + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); + } + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token === 15 /* OpenBraceToken */); + if (nextToken() === 16 /* CloseBraceToken */) { + // if we see "extends {}" then only treat the {} as what we're extending (and not + // the class body) if we have: + // + // extends {} { + // extends {}, + // extends {} extends + // extends {} implements + var next = nextToken(); + return next === 24 /* CommaToken */ || next === 15 /* OpenBraceToken */ || next === 83 /* ExtendsKeyword */ || next === 106 /* ImplementsKeyword */; + } + return true; + } + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); + } + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token); + } + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token === 106 /* ImplementsKeyword */ || + token === 83 /* ExtendsKeyword */) { + return lookAhead(nextTokenIsStartOfExpression); + } + return false; + } + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + // True if positioned at a list terminator + function isListTerminator(kind) { + if (token === 1 /* EndOfFileToken */) { + // Being at the end of the file ends all lists. + return true; + } + switch (kind) { + case 1 /* BlockStatements */: + case 2 /* SwitchClauses */: + case 4 /* TypeMembers */: + case 5 /* ClassMembers */: + case 6 /* EnumMembers */: + case 12 /* ObjectLiteralMembers */: + case 9 /* ObjectBindingElements */: + case 21 /* ImportOrExportSpecifiers */: + return token === 16 /* CloseBraceToken */; + case 3 /* SwitchClauseStatements */: + return token === 16 /* CloseBraceToken */ || token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; + case 7 /* HeritageClauseElement */: + return token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + case 8 /* VariableDeclarations */: + return isVariableDeclaratorListTerminator(); + case 17 /* TypeParameters */: + // Tokens other than '>' are here for better error recovery + return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */ || token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + case 11 /* ArgumentExpressions */: + // Tokens other than ')' are here for better error recovery + return token === 18 /* CloseParenToken */ || token === 23 /* SemicolonToken */; + case 15 /* ArrayLiteralMembers */: + case 19 /* TupleElementTypes */: + case 10 /* ArrayBindingElements */: + return token === 20 /* CloseBracketToken */; + case 16 /* Parameters */: + // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery + return token === 18 /* CloseParenToken */ || token === 20 /* CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/; + case 18 /* TypeArguments */: + // Tokens other than '>' are here for better error recovery + return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */; + case 20 /* HeritageClauses */: + return token === 15 /* OpenBraceToken */ || token === 16 /* CloseBraceToken */; + case 13 /* JsxAttributes */: + return token === 27 /* GreaterThanToken */ || token === 39 /* SlashToken */; + case 14 /* JsxChildren */: + return token === 25 /* LessThanToken */ && lookAhead(nextTokenIsSlash); + case 22 /* JSDocFunctionParameters */: + return token === 18 /* CloseParenToken */ || token === 54 /* ColonToken */ || token === 16 /* CloseBraceToken */; + case 23 /* JSDocTypeArguments */: + return token === 27 /* GreaterThanToken */ || token === 16 /* CloseBraceToken */; + case 25 /* JSDocTupleTypes */: + return token === 20 /* CloseBracketToken */ || token === 16 /* CloseBraceToken */; + case 24 /* JSDocRecordMembers */: + return token === 16 /* CloseBraceToken */; + } + } + function isVariableDeclaratorListTerminator() { + // If we can consume a semicolon (either explicitly, or with ASI), then consider us done + // with parsing the list of variable declarators. + if (canParseSemicolon()) { + return true; + } + // in the case where we're parsing the variable declarator of a 'for-in' statement, we + // are done if we see an 'in' keyword in front of us. Same with for-of + if (isInOrOfKeyword(token)) { + return true; + } + // ERROR RECOVERY TWEAK: + // For better error recovery, if we see an '=>' then we just stop immediately. We've got an + // arrow function here and it's going to be very unlikely that we'll resynchronize and get + // another variable declaration. + if (token === 34 /* EqualsGreaterThanToken */) { + return true; + } + // Keep trying to parse out variable declarators. + return false; + } + // True if positioned at element or terminator of the current list or any enclosing list + function isInSomeParsingContext() { + for (var kind = 0; kind < 26 /* Count */; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) { + return true; + } + } + } + return false; + } + // Parses a list of elements + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + while (!isListTerminator(kind)) { + if (isListElement(kind, /*inErrorRecovery*/ false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); + } + return parseElement(); + } + function currentNode(parsingContext) { + // If there is an outstanding parse error that we've encountered, but not attached to + // some node, then we cannot get a node from the old source tree. This is because we + // want to mark the next node we encounter as being unusable. + // + // Note: This may be too conservative. Perhaps we could reuse the node and set the bit + // on it (or its leftmost child) as having the error. For now though, being conservative + // is nice and likely won't ever affect perf. + if (parseErrorBeforeNextFinishedNode) { + return undefined; + } + if (!syntaxCursor) { + // if we don't have a cursor, we could never return a node from the old tree. + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + // Can't reuse a missing node. + if (ts.nodeIsMissing(node)) { + return undefined; + } + // Can't reuse a node that intersected the change range. + if (node.intersectsChange) { + return undefined; + } + // Can't reuse a node that contains a parse error. This is necessary so that we + // produce the same set of errors again. + if (ts.containsParseError(node)) { + return undefined; + } + // We can only reuse a node if it was parsed under the same strict mode that we're + // currently in. i.e. if we originally parsed a node in non-strict mode, but then + // the user added 'using strict' at the top of the file, then we can't use that node + // again as the presense of strict mode may cause us to parse the tokens in the file + // differetly. + // + // Note: we *can* reuse tokens when the strict mode changes. That's because tokens + // are unaffected by strict mode. It's just the parser will decide what to do with it + // differently depending on what mode it is in. + // + // This also applies to all our other context flags as well. + var nodeContextFlags = node.parserContextFlags & 31 /* ParserGeneratedFlags */; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + // Ok, we have a node that looks like it could be reused. Now verify that it is valid + // in the currest list parsing context that we're currently at. + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; + } + function consumeNode(node) { + // Move the scanner so it is after the node we just consumed. + scanner.setTextPos(node.end); + nextToken(); + return node; + } + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5 /* ClassMembers */: + return isReusableClassMember(node); + case 2 /* SwitchClauses */: + return isReusableSwitchClause(node); + case 0 /* SourceElements */: + case 1 /* BlockStatements */: + case 3 /* SwitchClauseStatements */: + return isReusableStatement(node); + case 6 /* EnumMembers */: + return isReusableEnumMember(node); + case 4 /* TypeMembers */: + return isReusableTypeMember(node); + case 8 /* VariableDeclarations */: + return isReusableVariableDeclaration(node); + case 16 /* Parameters */: + return isReusableParameter(node); + // Any other lists we do not care about reusing nodes in. But feel free to add if + // you can do so safely. Danger areas involve nodes that may involve speculative + // parsing. If speculative parsing is involved with the node, then the range the + // parser reached while looking ahead might be in the edited range (see the example + // in canReuseVariableDeclaratorNode for a good case of this). + case 20 /* HeritageClauses */: + // This would probably be safe to reuse. There is no speculative parsing with + // heritage clauses. + case 17 /* TypeParameters */: + // This would probably be safe to reuse. There is no speculative parsing with + // type parameters. Note that that's because type *parameters* only occur in + // unambiguous *type* contexts. While type *arguments* occur in very ambiguous + // *expression* contexts. + case 19 /* TupleElementTypes */: + // This would probably be safe to reuse. There is no speculative parsing with + // tuple types. + // Technically, type argument list types are probably safe to reuse. While + // speculative parsing is involved with them (since type argument lists are only + // produced from speculative parsing a < as a type argument list), we only have + // the types because speculative parsing succeeded. Thus, the lookahead never + // went past the end of the list and rewound. + case 18 /* TypeArguments */: + // Note: these are almost certainly not safe to ever reuse. Expressions commonly + // need a large amount of lookahead, and we should not reuse them as they may + // have actually intersected the edit. + case 11 /* ArgumentExpressions */: + // This is not safe to reuse for the same reason as the 'AssignmentExpression' + // cases. i.e. a property assignment may end with an expression, and thus might + // have lookahead far beyond it's old node. + case 12 /* ObjectLiteralMembers */: + // This is probably not safe to reuse. There can be speculative parsing with + // type names in a heritage clause. There can be generic names in the type + // name list, and there can be left hand side expressions (which can have type + // arguments.) + case 7 /* HeritageClauseElement */: + // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes + // on any given element. Same for children. + case 13 /* JsxAttributes */: + case 14 /* JsxChildren */: + } + return false; + } + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 145 /* Constructor */: + case 150 /* IndexSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 142 /* PropertyDeclaration */: + case 194 /* SemicolonClassElement */: + return true; + case 144 /* MethodDeclaration */: + // Method declarations are not necessarily reusable. An object-literal + // may have a method calls "constructor(...)" and we must reparse that + // into an actual .ConstructorDeclaration. + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 69 /* Identifier */ && + methodDeclaration.name.originalKeywordKind === 121 /* ConstructorKeyword */; + return !nameIsConstructor; + } + } + return false; + } + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + return true; + } + } + return false; + } + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 196 /* VariableStatement */: + case 195 /* Block */: + case 199 /* IfStatement */: + case 198 /* ExpressionStatement */: + case 211 /* ThrowStatement */: + case 207 /* ReturnStatement */: + case 209 /* SwitchStatement */: + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 197 /* EmptyStatement */: + case 212 /* TryStatement */: + case 210 /* LabeledStatement */: + case 200 /* DoStatement */: + case 213 /* DebuggerStatement */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + case 230 /* ExportAssignment */: + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 219 /* TypeAliasDeclaration */: + return true; + } + } + return false; + } + function isReusableEnumMember(node) { + return node.kind === 250 /* EnumMember */; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 149 /* ConstructSignature */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + case 141 /* PropertySignature */: + case 148 /* CallSignature */: + return true; + } + } + return false; + } + function isReusableVariableDeclaration(node) { + if (node.kind !== 214 /* VariableDeclaration */) { + return false; + } + // Very subtle incremental parsing bug. Consider the following code: + // + // let v = new List < A, B + // + // This is actually legal code. It's a list of variable declarators "v = new List() + // + // then we have a problem. "v = new List= 0) { + // Always preserve a trailing comma by marking it on the NodeArray + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function createMissingList() { + var pos = getNodePos(); + var result = []; + result.pos = pos; + result.end = pos; + return result; + } + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; + } + return createMissingList(); + } + // The allowReservedWords parameter controls whether reserved words are permitted after the first dot + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(21 /* DotToken */)) { + var node = createNode(136 /* QualifiedName */, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); + } + return entity; + } + function parseRightSideOfDot(allowIdentifierNames) { + // Technically a keyword is valid here as all identifiers and keywords are identifier names. + // However, often we'll encounter this in error situations when the identifier or keyword + // is actually starting another valid construct. + // + // So, we check for the following specific case: + // + // name. + // identifierOrKeyword identifierNameOrKeyword + // + // Note: the newlines are important here. For example, if that above code + // were rewritten into: + // + // name.identifierOrKeyword + // identifierNameOrKeyword + // + // Then we would consider it valid. That's because ASI would take effect and + // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword". + // In the first case though, ASI will not take effect because there is not a + // line terminator after the identifier or keyword. + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + // Report that we need an identifier. However, report it right after the dot, + // and not on the next token. This is because the next token might actually + // be an identifier and the error would be quite confusing. + return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected); + } + } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); + } + function parseTemplateExpression() { + var template = createNode(186 /* TemplateExpression */); + template.head = parseTemplateLiteralFragment(); + ts.Debug.assert(template.head.kind === 12 /* TemplateHead */, "Template head has wrong token kind"); + var templateSpans = []; + templateSpans.pos = getNodePos(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 13 /* TemplateMiddle */); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(193 /* TemplateSpan */); + span.expression = allowInAnd(parseExpression); + var literal; + if (token === 16 /* CloseBraceToken */) { + reScanTemplateToken(); + literal = parseTemplateLiteralFragment(); + } + else { + literal = parseExpectedToken(14 /* TemplateTail */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(16 /* CloseBraceToken */)); + } + span.literal = literal; + return finishNode(span); + } + function parseStringLiteralTypeNode() { + return parseLiteralLikeNode(163 /* StringLiteralType */, /*internName*/ true); + } + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token, internName); + } + function parseTemplateLiteralFragment() { + return parseLiteralLikeNode(token, /*internName*/ false); + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; + } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + // Octal literals are not allowed in strict mode or ES5 + // Note that theoretically the following condition would hold true literals like 009, + // which is not octal.But because of how the scanner separates the tokens, we would + // never get a token like this. Instead, we would get 00 and 9 as two separate tokens. + // We also do not need to check for negatives because any prefix operator would be part of a + // parent unary expression. + if (node.kind === 8 /* NumericLiteral */ + && sourceText.charCodeAt(tokenPos) === 48 /* _0 */ + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.flags |= 32768 /* OctalLiteral */; + } + return node; + } + // TYPES + function parseTypeReference() { + var typeName = parseEntityName(/*allowReservedWords*/ false, ts.Diagnostics.Type_expected); + var node = createNode(152 /* TypeReference */, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token === 25 /* LessThanToken */) { + node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + return finishNode(node); + } + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(151 /* TypePredicate */, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(162 /* ThisType */); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(155 /* TypeQuery */); + parseExpected(101 /* TypeOfKeyword */); + node.exprName = parseEntityName(/*allowReservedWords*/ true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(138 /* TypeParameter */); + node.name = parseIdentifier(); + if (parseOptional(83 /* ExtendsKeyword */)) { + // It's not uncommon for people to write improper constraints to a generic. If the + // user writes a constraint that is an expression and not an actual type, then parse + // it out as an expression (so we can recover well), but report that a type is needed + // instead. + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); + } + else { + // It was not a type, and it looked like an expression. Parse out an expression + // here so we recover well. Note: it is important that we call parseUnaryExpression + // and not parseExpression here. If the user has: + // + // + // + // We do *not* want to consume the > as we're consuming the expression for "". + node.expression = parseUnaryExpressionOrHigher(); + } + } + return finishNode(node); + } + function parseTypeParameters() { + if (token === 25 /* LessThanToken */) { + return parseBracketedList(17 /* TypeParameters */, parseTypeParameter, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + } + function parseParameterType() { + if (parseOptional(54 /* ColonToken */)) { + return parseType(); + } + return undefined; + } + function isStartOfParameter() { + return token === 22 /* DotDotDotToken */ || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55 /* AtToken */; + } + function setModifiers(node, modifiers) { + if (modifiers) { + node.flags |= modifiers.flags; + node.modifiers = modifiers; + } + } + function parseParameter() { + var node = createNode(139 /* Parameter */); + node.decorators = parseDecorators(); + setModifiers(node, parseModifiers()); + node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); + // FormalParameter [Yield,Await]: + // BindingElement[?Yield,?Await] + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { + // in cases like + // 'use strict' + // function foo(static) + // isParameter('static') === true, because of isModifier('static') + // however 'static' is not a legal identifier in a strict mode. + // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined) + // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM) + // to avoid this we'll advance cursor to the next token. + nextToken(); + } + node.questionToken = parseOptionalToken(53 /* QuestionToken */); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(/*inParameter*/ true); + // Do not check for initializers in an ambient context for parameters. This is not + // a grammar error because the grammar allows arbitrary call signatures in + // an ambient context. + // It is actually not necessary for this to be an error at all. The reason is that + // function/constructor implementations are syntactically disallowed in ambient + // contexts. In addition, parameter initializers are semantically disallowed in + // overload signatures. So parameter initializers are transitively disallowed in + // ambient contexts. + return addJSDocComment(finishNode(node)); + } + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + } + function parseParameterInitializer() { + return parseInitializer(/*inParameter*/ true); + } + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 34 /* EqualsGreaterThanToken */; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); + } + } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + // FormalParameters [Yield,Await]: (modified) + // [empty] + // FormalParameterList[?Yield,Await] + // + // FormalParameter[Yield,Await]: (modified) + // BindingElement[?Yield,Await] + // + // BindingElement [Yield,Await]: (modified) + // SingleNameBinding[?Yield,?Await] + // BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt + // + // SingleNameBinding [Yield,Await]: + // BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt + if (parseExpected(17 /* OpenParenToken */)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16 /* Parameters */, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(18 /* CloseParenToken */) && requireCompleteParameterList) { + // Caller insisted that we had to end with a ) We didn't. So just return + // undefined here. + return undefined; + } + return result; + } + // We didn't even have an open paren. If the caller requires a complete parameter list, + // we definitely can't provide that. However, if they're ok with an incomplete one, + // then just return an empty set of parameters. + return requireCompleteParameterList ? undefined : createMissingList(); + } + function parseTypeMemberSemicolon() { + // We allow type members to be separated by commas or (possibly ASI) semicolons. + // First check if it was a comma. If so, we're done with the member. + if (parseOptional(24 /* CommaToken */)) { + return; + } + // Didn't have a comma. We must have a (possible ASI) semicolon. + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 149 /* ConstructSignature */) { + parseExpected(92 /* NewKeyword */); + } + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function isIndexSignature() { + if (token !== 19 /* OpenBracketToken */) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + // The only allowed sequence is: + // + // [id: + // + // However, for error recovery, we also check the following cases: + // + // [... + // [id, + // [id?, + // [id?: + // [id?] + // [public id + // [private id + // [protected id + // [] + // + nextToken(); + if (token === 22 /* DotDotDotToken */ || token === 20 /* CloseBracketToken */) { + return true; + } + if (ts.isModifierKind(token)) { + nextToken(); + if (isIdentifier()) { + return true; + } + } + else if (!isIdentifier()) { + return false; + } + else { + // Skip the identifier + nextToken(); + } + // A colon signifies a well formed indexer + // A comma should be a badly formed indexer because comma expressions are not allowed + // in computed properties. + if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */) { + return true; + } + // Question mark could be an indexer with an optional property, + // or it could be a conditional expression in a computed property. + if (token !== 53 /* QuestionToken */) { + return false; + } + // If any of the following tokens are after the question mark, it cannot + // be a conditional expression, so treat it as an indexer. + nextToken(); + return token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || token === 20 /* CloseBracketToken */; + } + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(150 /* IndexSignature */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.parameters = parseBracketedList(16 /* Parameters */, parseParameter, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function parsePropertyOrMethodSignature() { + var fullStart = scanner.getStartPos(); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + var method = createNode(143 /* MethodSignature */, fullStart); + method.name = name; + method.questionToken = questionToken; + // Method signatues don't exist in expression contexts. So they have neither + // [Yield] nor [Await] + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, method); + parseTypeMemberSemicolon(); + return finishNode(method); + } + else { + var property = createNode(141 /* PropertySignature */, fullStart); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token === 56 /* EqualsToken */) { + // Although type literal properties cannot not have initializers, we attempt + // to parse an initializer so we can report in the checker that an interface + // property or type literal property cannot have an initializer. + property.initializer = parseNonParameterInitializer(); + } + parseTypeMemberSemicolon(); + return finishNode(property); + } + } + function isStartOfTypeMember() { + switch (token) { + case 17 /* OpenParenToken */: + case 25 /* LessThanToken */: + case 19 /* OpenBracketToken */: + return true; + default: + if (ts.isModifierKind(token)) { + var result = lookAhead(isStartOfIndexSignatureDeclaration); + if (result) { + return result; + } + } + return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); + } + } + function isStartOfIndexSignatureDeclaration() { + while (ts.isModifierKind(token)) { + nextToken(); + } + return isIndexSignature(); + } + function isTypeMemberWithLiteralPropertyName() { + nextToken(); + return token === 17 /* OpenParenToken */ || + token === 25 /* LessThanToken */ || + token === 53 /* QuestionToken */ || + token === 54 /* ColonToken */ || + canParseSemicolon(); + } + function parseTypeMember() { + switch (token) { + case 17 /* OpenParenToken */: + case 25 /* LessThanToken */: + return parseSignatureMember(148 /* CallSignature */); + case 19 /* OpenBracketToken */: + // Indexer or computed property + return isIndexSignature() + ? parseIndexSignatureDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined) + : parsePropertyOrMethodSignature(); + case 92 /* NewKeyword */: + if (lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(149 /* ConstructSignature */); + } + // fall through. + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + return parsePropertyOrMethodSignature(); + default: + // Index declaration as allowed as a type member. But as per the grammar, + // they also allow modifiers. So we have to check for an index declaration + // that might be following modifiers. This ensures that things work properly + // when incrementally parsing as the parser will produce the Index declaration + // if it has the same text regardless of whether it is inside a class or an + // object type. + if (ts.isModifierKind(token)) { + var result = tryParse(parseIndexSignatureWithModifiers); + if (result) { + return result; + } + } + if (ts.tokenIsIdentifierOrKeyword(token)) { + return parsePropertyOrMethodSignature(); + } + } + } + function parseIndexSignatureWithModifiers() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + return isIndexSignature() + ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) + : undefined; + } + function isStartOfConstructSignature() { + nextToken(); + return token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */; + } + function parseTypeLiteral() { + var node = createNode(156 /* TypeLiteral */); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseObjectTypeMembers() { + var members; + if (parseExpected(15 /* OpenBraceToken */)) { + members = parseList(4 /* TypeMembers */, parseTypeMember); + parseExpected(16 /* CloseBraceToken */); + } + else { + members = createMissingList(); + } + return members; + } + function parseTupleType() { + var node = createNode(158 /* TupleType */); + node.elementTypes = parseBracketedList(19 /* TupleElementTypes */, parseType, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); + return finishNode(node); + } + function parseParenthesizedType() { + var node = createNode(161 /* ParenthesizedType */); + parseExpected(17 /* OpenParenToken */); + node.type = parseType(); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 154 /* ConstructorType */) { + parseExpected(92 /* NewKeyword */); + } + fillSignature(34 /* EqualsGreaterThanToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + return finishNode(node); + } + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token === 21 /* DotToken */ ? undefined : node; + } + function parseNonArrayType() { + switch (token) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + // If these are followed by a dot, then parse these out as a dotted type reference instead. + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9 /* StringLiteral */: + return parseStringLiteralTypeNode(); + case 103 /* VoidKeyword */: + return parseTokenNode(); + case 97 /* ThisKeyword */: { + var thisKeyword = parseThisTypeNode(); + if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } + } + case 101 /* TypeOfKeyword */: + return parseTypeQuery(); + case 15 /* OpenBraceToken */: + return parseTypeLiteral(); + case 19 /* OpenBracketToken */: + return parseTupleType(); + case 17 /* OpenParenToken */: + return parseParenthesizedType(); + default: + return parseTypeReference(); + } + } + function isStartOfType() { + switch (token) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 97 /* ThisKeyword */: + case 101 /* TypeOfKeyword */: + case 15 /* OpenBraceToken */: + case 19 /* OpenBracketToken */: + case 25 /* LessThanToken */: + case 92 /* NewKeyword */: + case 9 /* StringLiteral */: + return true; + case 17 /* OpenParenToken */: + // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier, + // or something that starts a type. We don't want to consider things like '(1)' a type. + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); + } + } + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token === 18 /* CloseParenToken */ || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(19 /* OpenBracketToken */)) { + parseExpected(20 /* CloseBracketToken */); + var node = createNode(157 /* ArrayType */, type.pos); + node.elementType = type; + type = finishNode(node); + } + return type; + } + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token === operator) { + var types = [type]; + types.pos = type.pos; + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); + } + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(160 /* IntersectionType */, parseArrayTypeOrHigher, 46 /* AmpersandToken */); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(159 /* UnionType */, parseIntersectionTypeOrHigher, 47 /* BarToken */); + } + function isStartOfFunctionType() { + if (token === 25 /* LessThanToken */) { + return true; + } + return token === 17 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType); + } + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token === 18 /* CloseParenToken */ || token === 22 /* DotDotDotToken */) { + // ( ) + // ( ... + return true; + } + if (isIdentifier() || ts.isModifierKind(token)) { + nextToken(); + if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || + token === 53 /* QuestionToken */ || token === 56 /* EqualsToken */ || + isIdentifier() || ts.isModifierKind(token)) { + // ( id : + // ( id , + // ( id ? + // ( id = + // ( modifier id + return true; + } + if (token === 18 /* CloseParenToken */) { + nextToken(); + if (token === 34 /* EqualsGreaterThanToken */) { + // ( id ) => + return true; + } + } + } + return false; + } + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(151 /* TypePredicate */, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; + } + } + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } + } + function parseType() { + // The rules about 'yield' only apply to actual code/expression contexts. They don't + // apply to 'type' contexts. So we disable these parameters here before moving on. + return doOutsideOfContext(10 /* TypeExcludesFlags */, parseTypeWorker); + } + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(153 /* FunctionType */); + } + if (token === 92 /* NewKeyword */) { + return parseFunctionOrConstructorType(154 /* ConstructorType */); + } + return parseUnionTypeOrHigher(); + } + function parseTypeAnnotation() { + return parseOptional(54 /* ColonToken */) ? parseType() : undefined; + } + // EXPRESSIONS + function isStartOfLeftHandSideExpression() { + switch (token) { + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 12 /* TemplateHead */: + case 17 /* OpenParenToken */: + case 19 /* OpenBracketToken */: + case 15 /* OpenBraceToken */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 92 /* NewKeyword */: + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + case 69 /* Identifier */: + return true; + default: + return isIdentifier(); + } + } + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; + } + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 78 /* DeleteKeyword */: + case 101 /* TypeOfKeyword */: + case 103 /* VoidKeyword */: + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + case 25 /* LessThanToken */: + case 119 /* AwaitKeyword */: + case 114 /* YieldKeyword */: + // Yield/await always starts an expression. Either it is an identifier (in which case + // it is definitely an expression). Or it's a keyword (either because we're in + // a generator or async function, or in strict mode (or both)) and it started a yield or await expression. + return true; + default: + // Error tolerance. If we see the start of some binary operator, we consider + // that the start of an expression. That way we'll parse out a missing identifier, + // give a good message about an identifier being missing, and then consume the + // rest of the binary expression. + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); + } + } + function isStartOfExpressionStatement() { + // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement. + return token !== 15 /* OpenBraceToken */ && + token !== 87 /* FunctionKeyword */ && + token !== 73 /* ClassKeyword */ && + token !== 55 /* AtToken */ && + isStartOfExpression(); + } + function parseExpression() { + // Expression[in]: + // AssignmentExpression[in] + // Expression[in] , AssignmentExpression[in] + // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(24 /* CommaToken */))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); + } + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + return expr; + } + function parseInitializer(inParameter) { + if (token !== 56 /* EqualsToken */) { + // It's not uncommon during typing for the user to miss writing the '=' token. Check if + // there is no newline after the last token and if we're on an expression. If so, parse + // this as an equals-value clause with a missing equals. + // NOTE: There are two places where we allow equals-value clauses. The first is in a + // variable declarator. The second is with a parameter. For variable declarators + // it's more likely that a { would be a allowed (as an object literal). While this + // is also allowed for parameters, the risk is that we consume the { as an object + // literal when it really will be for the block following the parameter. + if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15 /* OpenBraceToken */) || !isStartOfExpression()) { + // preceding line break, open brace in a parameter (likely a function body) or current token is not an expression - + // do not try to parse initializer + return undefined; + } + } + // Initializer[In, Yield] : + // = AssignmentExpression[?In, ?Yield] + parseExpected(56 /* EqualsToken */); + return parseAssignmentExpressionOrHigher(); + } + function parseAssignmentExpressionOrHigher() { + // AssignmentExpression[in,yield]: + // 1) ConditionalExpression[?in,?yield] + // 2) LeftHandSideExpression = AssignmentExpression[?in,?yield] + // 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield] + // 4) ArrowFunctionExpression[?in,?yield] + // 5) [+Yield] YieldExpression[?In] + // + // Note: for ease of implementation we treat productions '2' and '3' as the same thing. + // (i.e. they're both BinaryExpressions with an assignment operator in it). + // First, do the simple check if we have a YieldExpression (production '5'). + if (isYieldExpression()) { + return parseYieldExpression(); + } + // Then, check if we have an arrow function (production '4') that starts with a parenthesized + // parameter list. If we do, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is + // not a LeftHandSideExpression, nor does it start a ConditionalExpression. So we are done + // with AssignmentExpression if we see one. + var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; + } + // Now try to see if we're in production '1', '2' or '3'. A conditional expression can + // start with a LogicalOrExpression, while the assignment productions can only start with + // LeftHandSideExpressions. + // + // So, first, we try to just parse out a BinaryExpression. If we get something that is a + // LeftHandSide or higher, then we can try to parse out the assignment expression part. + // Otherwise, we try to parse out the conditional expression bit. We want to allow any + // binary expression here, so we pass in the 'lowest' precedence here so that it matches + // and consumes anything. + var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0); + // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized + // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single + // identifier and the current token is an arrow. + if (expr.kind === 69 /* Identifier */ && token === 34 /* EqualsGreaterThanToken */) { + return parseSimpleArrowFunctionExpression(expr); + } + // Now see if we might be in cases '2' or '3'. + // If the expression was a LHS expression, and we have an assignment operator, then + // we're in '2' or '3'. Consume the assignment and return. + // + // Note: we call reScanGreaterToken so that we get an appropriately merged token + // for cases like > > = becoming >>= + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); + } + // It wasn't an assignment or a lambda. This is a conditional expression: + return parseConditionalExpressionRest(expr); + } + function isYieldExpression() { + if (token === 114 /* YieldKeyword */) { + // If we have a 'yield' keyword, and htis is a context where yield expressions are + // allowed, then definitely parse out a yield expression. + if (inYieldContext()) { + return true; + } + // We're in a context where 'yield expr' is not allowed. However, if we can + // definitely tell that the user was trying to parse a 'yield expr' and not + // just a normal expr that start with a 'yield' identifier, then parse out + // a 'yield expr'. We can then report an error later that they are only + // allowed in generator expressions. + // + // for example, if we see 'yield(foo)', then we'll have to treat that as an + // invocation expression of something called 'yield'. However, if we have + // 'yield foo' then that is not legal as a normal expression, so we can + // definitely recognize this as a yield expression. + // + // for now we just check if the next token is an identifier. More heuristics + // can be added here later as necessary. We just need to make sure that we + // don't accidently consume something legal. + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); + } + return false; + } + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); + } + function parseYieldExpression() { + var node = createNode(187 /* YieldExpression */); + // YieldExpression[In] : + // yield + // yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] + // yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token === 37 /* AsteriskToken */ || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + // if the next token is not on the same line as yield. or we don't have an '*' or + // the start of an expressin, then this is just a simple "yield" expression. + return finishNode(node); + } + } + function parseSimpleArrowFunctionExpression(identifier) { + ts.Debug.assert(token === 34 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node = createNode(177 /* ArrowFunction */, identifier.pos); + var parameter = createNode(139 /* Parameter */, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = [parameter]; + node.parameters.pos = parameter.pos; + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(/*isAsync*/ false); + return finishNode(node); + } + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0 /* False */) { + // It's definitely not a parenthesized arrow function expression. + return undefined; + } + // If we definitely have an arrow function, then we can just parse one, not requiring a + // following => or { token. Otherwise, we *might* have an arrow function. Try to parse + // it out, but don't allow any ambiguity, and return 'undefined' if this could be an + // expression instead. + var arrowFunction = triState === 1 /* True */ + ? parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + // Didn't appear to actually be a parenthesized arrow function. Just bail out. + return undefined; + } + var isAsync = !!(arrowFunction.flags & 256 /* Async */); + // If we have an arrow, then try to parse the body. Even if not, try to parse if we + // have an opening brace, just in case we're in an error state. + var lastToken = token; + arrowFunction.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 34 /* EqualsGreaterThanToken */ || lastToken === 15 /* OpenBraceToken */) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return finishNode(arrowFunction); + } + // True -> We definitely expect a parenthesized arrow function here. + // False -> There *cannot* be a parenthesized arrow function here. + // Unknown -> There *might* be a parenthesized arrow function here. + // Speculatively look ahead to be sure, and rollback if not. + function isParenthesizedArrowFunctionExpression() { + if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */ || token === 118 /* AsyncKeyword */) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token === 34 /* EqualsGreaterThanToken */) { + // ERROR RECOVERY TWEAK: + // If we see a standalone => try to parse it as an arrow function expression as that's + // likely what the user intended to write. + return 1 /* True */; + } + // Definitely not a parenthesized arrow function. + return 0 /* False */; + } + function isParenthesizedArrowFunctionExpressionWorker() { + if (token === 118 /* AsyncKeyword */) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0 /* False */; + } + if (token !== 17 /* OpenParenToken */ && token !== 25 /* LessThanToken */) { + return 0 /* False */; + } + } + var first = token; + var second = nextToken(); + if (first === 17 /* OpenParenToken */) { + if (second === 18 /* CloseParenToken */) { + // Simple cases: "() =>", "(): ", and "() {". + // This is an arrow function with no parameters. + // The last one is not actually an arrow function, + // but this is probably what the user intended. + var third = nextToken(); + switch (third) { + case 34 /* EqualsGreaterThanToken */: + case 54 /* ColonToken */: + case 15 /* OpenBraceToken */: + return 1 /* True */; + default: + return 0 /* False */; + } + } + // If encounter "([" or "({", this could be the start of a binding pattern. + // Examples: + // ([ x ]) => { } + // ({ x }) => { } + // ([ x ]) + // ({ x }) + if (second === 19 /* OpenBracketToken */ || second === 15 /* OpenBraceToken */) { + return 2 /* Unknown */; + } + // Simple case: "(..." + // This is an arrow function with a rest parameter. + if (second === 22 /* DotDotDotToken */) { + return 1 /* True */; + } + // If we had "(" followed by something that's not an identifier, + // then this definitely doesn't look like a lambda. + // Note: we could be a little more lenient and allow + // "(public" or "(private". These would not ever actually be allowed, + // but we could provide a good error message instead of bailing out. + if (!isIdentifier()) { + return 0 /* False */; + } + // If we have something like "(a:", then we must have a + // type-annotated parameter in an arrow function expression. + if (nextToken() === 54 /* ColonToken */) { + return 1 /* True */; + } + // This *could* be a parenthesized arrow function. + // Return Unknown to let the caller know. + return 2 /* Unknown */; + } + else { + ts.Debug.assert(first === 25 /* LessThanToken */); + // If we have "<" not followed by an identifier, + // then this definitely is not an arrow function. + if (!isIdentifier()) { + return 0 /* False */; + } + // JSX overrides + if (sourceFile.languageVariant === 1 /* JSX */) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 83 /* ExtendsKeyword */) { + var fourth = nextToken(); + switch (fourth) { + case 56 /* EqualsToken */: + case 27 /* GreaterThanToken */: + return false; + default: + return true; + } + } + else if (third === 24 /* CommaToken */) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1 /* True */; + } + return 0 /* False */; + } + // This *could* be a parenthesized arrow function. + return 2 /* Unknown */; + } + } + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ false); + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(177 /* ArrowFunction */); + setModifiers(node, parseModifiersForArrowFunction()); + var isAsync = !!(node.flags & 256 /* Async */); + // Arrow functions are never generators. + // + // If we're speculatively parsing a signature for a parenthesized arrow function, then + // we have to have a complete parameter list. Otherwise we might see something like + // a => (b => c) + // And think that "(b =>" was actually a parenthesized arrow function with a missing + // close paren. + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ !allowAmbiguity, node); + // If we couldn't get parameters, we definitely could not parse out an arrow function. + if (!node.parameters) { + return undefined; + } + // Parsing a signature isn't enough. + // Parenthesized arrow signatures often look like other valid expressions. + // For instance: + // - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value. + // - "(x,y)" is a comma expression parsed as a signature with two parameters. + // - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation. + // + // So we need just a bit of lookahead to ensure that it can only be a signature. + if (!allowAmbiguity && token !== 34 /* EqualsGreaterThanToken */ && token !== 15 /* OpenBraceToken */) { + // Returning undefined here will cause our caller to rewind to where we started from. + return undefined; + } + return node; + } + function parseArrowFunctionExpressionBody(isAsync) { + if (token === 15 /* OpenBraceToken */) { + return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); + } + if (token !== 23 /* SemicolonToken */ && + token !== 87 /* FunctionKeyword */ && + token !== 73 /* ClassKeyword */ && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations) + // + // Here we try to recover from a potential error situation in the case where the + // user meant to supply a block. For example, if the user wrote: + // + // a => + // let v = 0; + // } + // + // they may be missing an open brace. Check to see if that's the case so we can + // try to recover better. If we don't do this, then the next close curly we see may end + // up preemptively closing the containing construct. + // + // Note: even when 'ignoreMissingOpenBrace' is passed as true, parseBody will still error. + return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ true); + } + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); + } + function parseConditionalExpressionRest(leftOperand) { + // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (!questionToken) { + return leftOperand; + } + // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and + // we do not that for the 'whenFalse' part. + var node = createNode(185 /* ConditionalExpression */, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(54 /* ColonToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(54 /* ColonToken */)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); + } + function isInOrOfKeyword(t) { + return t === 90 /* InKeyword */ || t === 135 /* OfKeyword */; + } + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + // We either have a binary operator here, or we're finished. We call + // reScanGreaterToken so that we merge token sequences like > and = into >= + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + // Check the precedence to see if we should "take" this operator + // - For left associative operator (all operator but **), consume the operator, + // recursively call the function below, and parse binaryExpression as a rightOperand + // of the caller if the new precendence of the operator is greater then or equal to the current precendence. + // For example: + // a - b - c; + // ^token; leftOperand = b. Return b to the caller as a rightOperand + // a * b - c + // ^token; leftOperand = b. Return b to the caller as a rightOperand + // a - b * c; + // ^token; leftOperand = b. Return b * c to the caller as a rightOperand + // - For right associative operator (**), consume the operator, recursively call the function + // and parse binaryExpression as a rightOperand of the caller if the new precendence of + // the operator is strictly grater than the current precendence + // For example: + // a ** b ** c; + // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand + // a - b ** c; + // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand + // a ** b - c + // ^token; leftOperand = b. Return b to the caller as a rightOperand + var consumeCurrentOperator = token === 38 /* AsteriskAsteriskToken */ ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token === 90 /* InKeyword */ && inDisallowInContext()) { + break; + } + if (token === 116 /* AsKeyword */) { + // Make sure we *do* perform ASI for constructs like this: + // var x = foo + // as (Bar) + // This should be parsed as an initialized variable, followed + // by a function call to 'as' with the argument 'Bar' + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); + } + } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } + } + return leftOperand; + } + function isBinaryOperator() { + if (inDisallowInContext() && token === 90 /* InKeyword */) { + return false; + } + return getBinaryOperatorPrecedence() > 0; + } + function getBinaryOperatorPrecedence() { + switch (token) { + case 52 /* BarBarToken */: + return 1; + case 51 /* AmpersandAmpersandToken */: + return 2; + case 47 /* BarToken */: + return 3; + case 48 /* CaretToken */: + return 4; + case 46 /* AmpersandToken */: + return 5; + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + return 6; + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + case 91 /* InstanceOfKeyword */: + case 90 /* InKeyword */: + case 116 /* AsKeyword */: + return 7; + case 43 /* LessThanLessThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + return 8; + case 35 /* PlusToken */: + case 36 /* MinusToken */: + return 9; + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + return 10; + case 38 /* AsteriskAsteriskToken */: + return 11; + } + // -1 is lower than all other precedences. Returning it will cause binary expression + // parsing to stop. + return -1; + } + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(184 /* BinaryExpression */, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); + } + function makeAsExpression(left, right) { + var node = createNode(192 /* AsExpression */, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); + } + function parsePrefixUnaryExpression() { + var node = createNode(182 /* PrefixUnaryExpression */); + node.operator = token; + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseDeleteExpression() { + var node = createNode(178 /* DeleteExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseTypeOfExpression() { + var node = createNode(179 /* TypeOfExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseVoidExpression() { + var node = createNode(180 /* VoidExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function isAwaitExpression() { + if (token === 119 /* AwaitKeyword */) { + if (inAwaitContext()) { + return true; + } + // here we are using similar heuristics as 'isYieldExpression' + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; + } + function parseAwaitExpression() { + var node = createNode(181 /* AwaitExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + /** + * Parse ES7 unary expression and await expression + * + * ES7 UnaryExpression: + * 1) SimpleUnaryExpression[?yield] + * 2) IncrementExpression[?yield] ** UnaryExpression[?yield] + */ + function parseUnaryExpressionOrHigher() { + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + if (isIncrementExpression()) { + var incrementExpression = parseIncrementExpression(); + return token === 38 /* AsteriskAsteriskToken */ ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token; + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token === 38 /* AsteriskAsteriskToken */) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 174 /* TypeAssertionExpression */) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; + } + /** + * Parse ES7 simple-unary expression or higher: + * + * ES7 SimpleUnaryExpression: + * 1) IncrementExpression[?yield] + * 2) delete UnaryExpression[?yield] + * 3) void UnaryExpression[?yield] + * 4) typeof UnaryExpression[?yield] + * 5) + UnaryExpression[?yield] + * 6) - UnaryExpression[?yield] + * 7) ~ UnaryExpression[?yield] + * 8) ! UnaryExpression[?yield] + */ + function parseSimpleUnaryExpression() { + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + return parsePrefixUnaryExpression(); + case 78 /* DeleteKeyword */: + return parseDeleteExpression(); + case 101 /* TypeOfKeyword */: + return parseTypeOfExpression(); + case 103 /* VoidKeyword */: + return parseVoidExpression(); + case 25 /* LessThanToken */: + // This is modified UnaryExpression grammar in TypeScript + // UnaryExpression (modified): + // < type > UnaryExpression + return parseTypeAssertion(); + default: + return parseIncrementExpression(); + } + } + /** + * Check if the current token can possibly be an ES7 increment expression. + * + * ES7 IncrementExpression: + * LeftHandSideExpression[?Yield] + * LeftHandSideExpression[?Yield][no LineTerminator here]++ + * LeftHandSideExpression[?Yield][no LineTerminator here]-- + * ++LeftHandSideExpression[?Yield] + * --LeftHandSideExpression[?Yield] + */ + function isIncrementExpression() { + // This function is called inside parseUnaryExpression to decide + // whether to call parseSimpleUnaryExpression or call parseIncrmentExpression directly + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 78 /* DeleteKeyword */: + case 101 /* TypeOfKeyword */: + case 103 /* VoidKeyword */: + return false; + case 25 /* LessThanToken */: + // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression + if (sourceFile.languageVariant !== 1 /* JSX */) { + return false; + } + // We are in JSX context and the token is part of JSXElement. + // Fall through + default: + return true; + } + } + /** + * Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. + * + * ES7 IncrementExpression[yield]: + * 1) LeftHandSideExpression[?yield] + * 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ + * 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- + * 4) ++LeftHandSideExpression[?yield] + * 5) --LeftHandSideExpression[?yield] + * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression + */ + function parseIncrementExpression() { + if (token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) { + var node = createNode(182 /* PrefixUnaryExpression */); + node.operator = token; + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); + } + else if (sourceFile.languageVariant === 1 /* JSX */ && token === 25 /* LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeyword)) { + // JSXElement is part of primaryExpression + return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); + } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(183 /* PostfixUnaryExpression */, expression.pos); + node.operand = expression; + node.operator = token; + nextToken(); + return finishNode(node); + } + return expression; + } + function parseLeftHandSideExpressionOrHigher() { + // Original Ecma: + // LeftHandSideExpression: See 11.2 + // NewExpression + // CallExpression + // + // Our simplification: + // + // LeftHandSideExpression: See 11.2 + // MemberExpression + // CallExpression + // + // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with + // MemberExpression to make our lives easier. + // + // to best understand the below code, it's important to see how CallExpression expands + // out into its own productions: + // + // CallExpression: + // MemberExpression Arguments + // CallExpression Arguments + // CallExpression[Expression] + // CallExpression.IdentifierName + // super ( ArgumentListopt ) + // super.IdentifierName + // + // Because of the recursion in these calls, we need to bottom out first. There are two + // bottom out states we can run into. Either we see 'super' which must start either of + // the last two CallExpression productions. Or we have a MemberExpression which either + // completes the LeftHandSideExpression, or starts the beginning of the first four + // CallExpression productions. + var expression = token === 95 /* SuperKeyword */ + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + // Now, we *may* be complete. However, we might have consumed the start of a + // CallExpression. As such, we need to consume the rest of it here to be complete. + return parseCallExpressionRest(expression); + } + function parseMemberExpressionOrHigher() { + // Note: to make our lives simpler, we decompose the the NewExpression productions and + // place ObjectCreationExpression and FunctionExpression into PrimaryExpression. + // like so: + // + // PrimaryExpression : See 11.1 + // this + // Identifier + // Literal + // ArrayLiteral + // ObjectLiteral + // (Expression) + // FunctionExpression + // new MemberExpression Arguments? + // + // MemberExpression : See 11.2 + // PrimaryExpression + // MemberExpression[Expression] + // MemberExpression.IdentifierName + // + // CallExpression : See 11.2 + // MemberExpression + // CallExpression Arguments + // CallExpression[Expression] + // CallExpression.IdentifierName + // + // Technically this is ambiguous. i.e. CallExpression defines: + // + // CallExpression: + // CallExpression Arguments + // + // If you see: "new Foo()" + // + // Then that could be treated as a single ObjectCreationExpression, or it could be + // treated as the invocation of "new Foo". We disambiguate that in code (to match + // the original grammar) by making sure that if we see an ObjectCreationExpression + // we always consume arguments if they are there. So we treat "new Foo()" as an + // object creation only, and not at all as an invocation) Another way to think + // about this is that for every "new" that we see, we will consume an argument list if + // it is there as part of the *associated* object creation node. Any additional + // argument lists we see, will become invocation expressions. + // + // Because there are no other places in the grammar now that refer to FunctionExpression + // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression + // production. + // + // Because CallExpression and MemberExpression are left recursive, we need to bottom out + // of the recursion immediately. So we parse out a primary expression to start with. + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); + } + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token === 17 /* OpenParenToken */ || token === 21 /* DotToken */ || token === 19 /* OpenBracketToken */) { + return expression; + } + // If we have seen "super" it must be followed by '(' or '.'. + // If it wasn't then just try to parse out a '.' and report an error. + var node = createNode(169 /* PropertyAccessExpression */, expression.pos); + node.expression = expression; + node.dotToken = parseExpectedToken(21 /* DotToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); + return finishNode(node); + } + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 69 /* Identifier */) { + return lhs.text === rhs.text; + } + return lhs.right.text === rhs.right.text && + tagNamesAreEquivalent(lhs.left, rhs.left); + } + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 238 /* JsxOpeningElement */) { + var node = createNode(236 /* JsxElement */, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 237 /* JsxSelfClosingElement */); + // Nothing else to do for self-closing elements + result = opening; + } + // If the user writes the invalid code '
' in an expression context (i.e. not wrapped in + // an enclosing tag), we'll naively try to parse ^ this as a 'less than' operator and the remainder of the tag + // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX + // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter + // does less damage and we can report a better error. + // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios + // of one sort or another. + if (inExpressionContext && token === 25 /* LessThanToken */) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(184 /* BinaryExpression */, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(24 /* CommaToken */, /*reportAtCurrentPosition*/ false, /*diagnosticMessage*/ undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; + } + function parseJsxText() { + var node = createNode(239 /* JsxText */, scanner.getStartPos()); + token = scanner.scanJsxToken(); + return finishNode(node); + } + function parseJsxChild() { + switch (token) { + case 239 /* JsxText */: + return parseJsxText(); + case 15 /* OpenBraceToken */: + return parseJsxExpression(/*inExpressionContext*/ false); + case 25 /* LessThanToken */: + return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ false); + } + ts.Debug.fail("Unknown JSX child kind " + token); + } + function parseJsxChildren(openingTagName) { + var result = []; + result.pos = scanner.getStartPos(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14 /* JsxChildren */; + while (true) { + token = scanner.reScanJsxToken(); + if (token === 26 /* LessThanSlashToken */) { + // Closing tag + break; + } + else if (token === 1 /* EndOfFileToken */) { + // If we hit EOF, issue the error at the tag that lacks the closing element + // rather than at the end of the file (which is useless) + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; + } + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(25 /* LessThanToken */); + var tagName = parseJsxElementName(); + var attributes = parseList(13 /* JsxAttributes */, parseJsxAttribute); + var node; + if (token === 27 /* GreaterThanToken */) { + // Closing tag, so scan the immediately-following text with the JSX scanning instead + // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate + // scanning errors + node = createNode(238 /* JsxOpeningElement */, fullStart); + scanJsxText(); + } + else { + parseExpected(39 /* SlashToken */); + if (inExpressionContext) { + parseExpected(27 /* GreaterThanToken */); + } + else { + parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + node = createNode(237 /* JsxSelfClosingElement */, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); + } + function parseJsxElementName() { + scanJsxIdentifier(); + var elementName = parseIdentifierName(); + while (parseOptional(21 /* DotToken */)) { + scanJsxIdentifier(); + var node = createNode(136 /* QualifiedName */, elementName.pos); + node.left = elementName; + node.right = parseIdentifierName(); + elementName = finishNode(node); + } + return elementName; + } + function parseJsxExpression(inExpressionContext) { + var node = createNode(243 /* JsxExpression */); + parseExpected(15 /* OpenBraceToken */); + if (token !== 16 /* CloseBraceToken */) { + node.expression = parseAssignmentExpressionOrHigher(); + } + if (inExpressionContext) { + parseExpected(16 /* CloseBraceToken */); + } + else { + parseExpected(16 /* CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + return finishNode(node); + } + function parseJsxAttribute() { + if (token === 15 /* OpenBraceToken */) { + return parseJsxSpreadAttribute(); + } + scanJsxIdentifier(); + var node = createNode(241 /* JsxAttribute */); + node.name = parseIdentifierName(); + if (parseOptional(56 /* EqualsToken */)) { + switch (token) { + case 9 /* StringLiteral */: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(/*inExpressionContext*/ true); + break; + } + } + return finishNode(node); + } + function parseJsxSpreadAttribute() { + var node = createNode(242 /* JsxSpreadAttribute */); + parseExpected(15 /* OpenBraceToken */); + parseExpected(22 /* DotDotDotToken */); + node.expression = parseExpression(); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(240 /* JsxClosingElement */); + parseExpected(26 /* LessThanSlashToken */); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(27 /* GreaterThanToken */); + } + else { + parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + return finishNode(node); + } + function parseTypeAssertion() { + var node = createNode(174 /* TypeAssertionExpression */); + parseExpected(25 /* LessThanToken */); + node.type = parseType(); + parseExpected(27 /* GreaterThanToken */); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(21 /* DotToken */); + if (dotToken) { + var propertyAccess = createNode(169 /* PropertyAccessExpression */, expression.pos); + propertyAccess.expression = expression; + propertyAccess.dotToken = dotToken; + propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); + expression = finishNode(propertyAccess); + continue; + } + // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName + if (!inDecoratorContext() && parseOptional(19 /* OpenBracketToken */)) { + var indexedAccess = createNode(170 /* ElementAccessExpression */, expression.pos); + indexedAccess.expression = expression; + // It's not uncommon for a user to write: "new Type[]". + // Check for that common pattern and report a better error message. + if (token !== 20 /* CloseBracketToken */) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 /* StringLiteral */ || indexedAccess.argumentExpression.kind === 8 /* NumericLiteral */) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(20 /* CloseBracketToken */); + expression = finishNode(indexedAccess); + continue; + } + if (token === 11 /* NoSubstitutionTemplateLiteral */ || token === 12 /* TemplateHead */) { + var tagExpression = createNode(173 /* TaggedTemplateExpression */, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token === 11 /* NoSubstitutionTemplateLiteral */ + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } + } + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token === 25 /* LessThanToken */) { + // See if this is the start of a generic invocation. If so, consume it and + // keep checking for postfix expressions. Otherwise, it's just a '<' that's + // part of an arithmetic expression. Break out so we consume it higher in the + // stack. + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(171 /* CallExpression */, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token === 17 /* OpenParenToken */) { + var callExpr = createNode(171 /* CallExpression */, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } + } + function parseArgumentList() { + parseExpected(17 /* OpenParenToken */); + var result = parseDelimitedList(11 /* ArgumentExpressions */, parseArgumentExpression); + parseExpected(18 /* CloseParenToken */); + return result; + } + function parseTypeArgumentsInExpression() { + if (!parseOptional(25 /* LessThanToken */)) { + return undefined; + } + var typeArguments = parseDelimitedList(18 /* TypeArguments */, parseType); + if (!parseExpected(27 /* GreaterThanToken */)) { + // If it doesn't have the closing > then it's definitely not an type argument list. + return undefined; + } + // If we have a '<', then only parse this as a arugment list if the type arguments + // are complete and we have an open paren. if we don't, rewind and return nothing. + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; + } + function canFollowTypeArgumentsInExpression() { + switch (token) { + case 17 /* OpenParenToken */: // foo( + // this case are the only case where this token can legally follow a type argument + // list. So we definitely want to treat this as a type arg list. + case 21 /* DotToken */: // foo. + case 18 /* CloseParenToken */: // foo) + case 20 /* CloseBracketToken */: // foo] + case 54 /* ColonToken */: // foo: + case 23 /* SemicolonToken */: // foo; + case 53 /* QuestionToken */: // foo? + case 30 /* EqualsEqualsToken */: // foo == + case 32 /* EqualsEqualsEqualsToken */: // foo === + case 31 /* ExclamationEqualsToken */: // foo != + case 33 /* ExclamationEqualsEqualsToken */: // foo !== + case 51 /* AmpersandAmpersandToken */: // foo && + case 52 /* BarBarToken */: // foo || + case 48 /* CaretToken */: // foo ^ + case 46 /* AmpersandToken */: // foo & + case 47 /* BarToken */: // foo | + case 16 /* CloseBraceToken */: // foo } + case 1 /* EndOfFileToken */: + // these cases can't legally follow a type arg list. However, they're not legal + // expressions either. The user is probably in the middle of a generic type. So + // treat it as such. + return true; + case 24 /* CommaToken */: // foo, + case 15 /* OpenBraceToken */: // foo { + // We don't want to treat these as type arguments. Otherwise we'll parse this + // as an invocation expression. Instead, we want to parse out the expression + // in isolation from the type arguments. + default: + // Anything else treat as an expression. + return false; + } + } + function parsePrimaryExpression() { + switch (token) { + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + return parseLiteralNode(); + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + return parseTokenNode(); + case 17 /* OpenParenToken */: + return parseParenthesizedExpression(); + case 19 /* OpenBracketToken */: + return parseArrayLiteralExpression(); + case 15 /* OpenBraceToken */: + return parseObjectLiteralExpression(); + case 118 /* AsyncKeyword */: + // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher. + // If we encounter `async [no LineTerminator here] function` then this is an async + // function; otherwise, its an identifier. + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 73 /* ClassKeyword */: + return parseClassExpression(); + case 87 /* FunctionKeyword */: + return parseFunctionExpression(); + case 92 /* NewKeyword */: + return parseNewExpression(); + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + if (reScanSlashToken() === 10 /* RegularExpressionLiteral */) { + return parseLiteralNode(); + } + break; + case 12 /* TemplateHead */: + return parseTemplateExpression(); + } + return parseIdentifier(ts.Diagnostics.Expression_expected); + } + function parseParenthesizedExpression() { + var node = createNode(175 /* ParenthesizedExpression */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseSpreadElement() { + var node = createNode(188 /* SpreadElementExpression */); + parseExpected(22 /* DotDotDotToken */); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseArgumentOrArrayLiteralElement() { + return token === 22 /* DotDotDotToken */ ? parseSpreadElement() : + token === 24 /* CommaToken */ ? createNode(190 /* OmittedExpression */) : + parseAssignmentExpressionOrHigher(); + } + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); + } + function parseArrayLiteralExpression() { + var node = createNode(167 /* ArrayLiteralExpression */); + parseExpected(19 /* OpenBracketToken */); + if (scanner.hasPrecedingLineBreak()) + node.flags |= 1024 /* MultiLine */; + node.elements = parseDelimitedList(15 /* ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(123 /* GetKeyword */)) { + return parseAccessorDeclaration(146 /* GetAccessor */, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(129 /* SetKeyword */)) { + return parseAccessorDeclaration(147 /* SetAccessor */, fullStart, decorators, modifiers); + } + return undefined; + } + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + // Disallowing of optional property assignments happens in the grammar checker. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + // check if it is short-hand property assignment or normal property assignment + // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production + // CoverInitializedName[Yield] : + // IdentifierReference[?Yield] Initializer[In, ?Yield] + // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern + var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 /* CommaToken */ || token === 16 /* CloseBraceToken */ || token === 56 /* EqualsToken */); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(249 /* ShorthandPropertyAssignment */, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(56 /* EqualsToken */); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); + } + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(248 /* PropertyAssignment */, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(54 /* ColonToken */); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } + } + function parseObjectLiteralExpression() { + var node = createNode(168 /* ObjectLiteralExpression */); + parseExpected(15 /* OpenBraceToken */); + if (scanner.hasPrecedingLineBreak()) { + node.flags |= 1024 /* MultiLine */; + } + node.properties = parseDelimitedList(12 /* ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimeter*/ true); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseFunctionExpression() { + // GeneratorExpression: + // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody } + // + // FunctionExpression: + // function BindingIdentifier[opt](FormalParameters){ FunctionBody } + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var node = createNode(176 /* FunctionExpression */); + setModifiers(node, parseModifiers()); + parseExpected(87 /* FunctionKeyword */); + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256 /* Async */); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlock(/*allowYield*/ isGenerator, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + return addJSDocComment(finishNode(node)); + } + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; + } + function parseNewExpression() { + var node = createNode(172 /* NewExpression */); + parseExpected(92 /* NewKeyword */); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token === 17 /* OpenParenToken */) { + node.arguments = parseArgumentList(); + } + return finishNode(node); + } + // STATEMENTS + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(195 /* Block */); + if (parseExpected(15 /* OpenBraceToken */, diagnosticMessage) || ignoreMissingOpenBrace) { + node.statements = parseList(1 /* BlockStatements */, parseStatement); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + // We may be in a [Decorator] context when parsing a function expression or + // arrow function. The body of the function is not in [Decorator] context. + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; + } + function parseEmptyStatement() { + var node = createNode(197 /* EmptyStatement */); + parseExpected(23 /* SemicolonToken */); + return finishNode(node); + } + function parseIfStatement() { + var node = createNode(199 /* IfStatement */); + parseExpected(88 /* IfKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(80 /* ElseKeyword */) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(200 /* DoStatement */); + parseExpected(79 /* DoKeyword */); + node.statement = parseStatement(); + parseExpected(104 /* WhileKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html + // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in + // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby + // do;while(0)x will have a semicolon inserted before x. + parseOptional(23 /* SemicolonToken */); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(201 /* WhileStatement */); + parseExpected(104 /* WhileKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(86 /* ForKeyword */); + parseExpected(17 /* OpenParenToken */); + var initializer = undefined; + if (token !== 23 /* SemicolonToken */) { + if (token === 102 /* VarKeyword */ || token === 108 /* LetKeyword */ || token === 74 /* ConstKeyword */) { + initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true); + } + else { + initializer = disallowInAnd(parseExpression); + } + } + var forOrForInOrForOfStatement; + if (parseOptional(90 /* InKeyword */)) { + var forInStatement = createNode(203 /* ForInStatement */, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(135 /* OfKeyword */)) { + var forOfStatement = createNode(204 /* ForOfStatement */, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(202 /* ForStatement */, pos); + forStatement.initializer = initializer; + parseExpected(23 /* SemicolonToken */); + if (token !== 23 /* SemicolonToken */ && token !== 18 /* CloseParenToken */) { + forStatement.condition = allowInAnd(parseExpression); + } + parseExpected(23 /* SemicolonToken */); + if (token !== 18 /* CloseParenToken */) { + forStatement.incrementor = allowInAnd(parseExpression); + } + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(207 /* ReturnStatement */); + parseExpected(94 /* ReturnKeyword */); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(208 /* WithStatement */); + parseExpected(105 /* WithKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(244 /* CaseClause */); + parseExpected(71 /* CaseKeyword */); + node.expression = allowInAnd(parseExpression); + parseExpected(54 /* ColonToken */); + node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(245 /* DefaultClause */); + parseExpected(77 /* DefaultKeyword */); + parseExpected(54 /* ColonToken */); + node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token === 71 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(209 /* SwitchStatement */); + parseExpected(96 /* SwitchKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + var caseBlock = createNode(223 /* CaseBlock */, scanner.getStartPos()); + parseExpected(15 /* OpenBraceToken */); + caseBlock.clauses = parseList(2 /* SwitchClauses */, parseCaseOrDefaultClause); + parseExpected(16 /* CloseBraceToken */); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + // ThrowStatement[Yield] : + // throw [no LineTerminator here]Expression[In, ?Yield]; + // Because of automatic semicolon insertion, we need to report error if this + // throw could be terminated with a semicolon. Note: we can't call 'parseExpression' + // directly as that might consume an expression on the following line. + // We just return 'undefined' in that case. The actual error will be reported in the + // grammar walker. + var node = createNode(211 /* ThrowStatement */); + parseExpected(98 /* ThrowKeyword */); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + // TODO: Review for error recovery + function parseTryStatement() { + var node = createNode(212 /* TryStatement */); + parseExpected(100 /* TryKeyword */); + node.tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + node.catchClause = token === 72 /* CatchKeyword */ ? parseCatchClause() : undefined; + // If we don't have a catch clause, then we must have a finally clause. Try to parse + // one out no matter what. + if (!node.catchClause || token === 85 /* FinallyKeyword */) { + parseExpected(85 /* FinallyKeyword */); + node.finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(247 /* CatchClause */); + parseExpected(72 /* CatchKeyword */); + if (parseExpected(17 /* OpenParenToken */)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(18 /* CloseParenToken */); + result.block = parseBlock(/*ignoreMissingOpenBrace*/ false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(213 /* DebuggerStatement */); + parseExpected(76 /* DebuggerKeyword */); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + // Avoiding having to do the lookahead for a labeled statement by just trying to parse + // out an expression, seeing if it is identifier and then seeing if it is followed by + // a colon. + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 69 /* Identifier */ && parseOptional(54 /* ColonToken */)) { + var labeledStatement = createNode(210 /* LabeledStatement */, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); + } + else { + var expressionStatement = createNode(198 /* ExpressionStatement */, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); + } + } + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token === 87 /* FunctionKeyword */ && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token) || token === 8 /* NumericLiteral */) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + return true; + // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers; + // however, an identifier cannot be followed by another identifier on the same line. This is what we + // count on to parse out the respective declarations. For instance, we exploit this to say that + // + // namespace n + // + // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees + // + // namespace + // n + // + // as the identifier 'namespace' on one line followed by the identifier 'n' on another. + // We need to look one token ahead to see if it permissible to try parsing a declaration. + // + // *Note*: 'interface' is actually a strict mode reserved word. So while + // + // "use strict" + // interface + // I {} + // + // could be legal, it would add complexity for very little gain. + case 107 /* InterfaceKeyword */: + case 132 /* TypeKeyword */: + return nextTokenIsIdentifierOnSameLine(); + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 115 /* AbstractKeyword */: + case 118 /* AsyncKeyword */: + case 122 /* DeclareKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 112 /* PublicKeyword */: + nextToken(); + // ASI takes effect for this modifier. + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 134 /* GlobalKeyword */: + return nextToken() === 15 /* OpenBraceToken */; + case 89 /* ImportKeyword */: + nextToken(); + return token === 9 /* StringLiteral */ || token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token); + case 82 /* ExportKeyword */: + nextToken(); + if (token === 56 /* EqualsToken */ || token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */ || token === 77 /* DefaultKeyword */) { + return true; + } + continue; + case 113 /* StaticKeyword */: + nextToken(); + continue; + default: + return false; + } + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token) { + case 55 /* AtToken */: + case 23 /* SemicolonToken */: + case 15 /* OpenBraceToken */: + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + case 88 /* IfKeyword */: + case 79 /* DoKeyword */: + case 104 /* WhileKeyword */: + case 86 /* ForKeyword */: + case 75 /* ContinueKeyword */: + case 70 /* BreakKeyword */: + case 94 /* ReturnKeyword */: + case 105 /* WithKeyword */: + case 96 /* SwitchKeyword */: + case 98 /* ThrowKeyword */: + case 100 /* TryKeyword */: + case 76 /* DebuggerKeyword */: + // 'catch' and 'finally' do not actually indicate that the code is part of a statement, + // however, we say they are here so that we may gracefully parse them and error later. + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return true; + case 74 /* ConstKeyword */: + case 82 /* ExportKeyword */: + case 89 /* ImportKeyword */: + return isStartOfDeclaration(); + case 118 /* AsyncKeyword */: + case 122 /* DeclareKeyword */: + case 107 /* InterfaceKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + case 132 /* TypeKeyword */: + case 134 /* GlobalKeyword */: + // When these don't start a declaration, they're an identifier in an expression statement + return true; + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + // When these don't start a declaration, they may be the start of a class member if an identifier + // immediately follows. Otherwise they're an identifier in an expression statement. + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */; + } + function isLetDeclaration() { + // In ES6 'let' always starts a lexical declaration if followed by an identifier or { + // or [. + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token) { + case 23 /* SemicolonToken */: + return parseEmptyStatement(); + case 15 /* OpenBraceToken */: + return parseBlock(/*ignoreMissingOpenBrace*/ false); + case 102 /* VarKeyword */: + return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 108 /* LetKeyword */: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + } + break; + case 87 /* FunctionKeyword */: + return parseFunctionDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 73 /* ClassKeyword */: + return parseClassDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 88 /* IfKeyword */: + return parseIfStatement(); + case 79 /* DoKeyword */: + return parseDoStatement(); + case 104 /* WhileKeyword */: + return parseWhileStatement(); + case 86 /* ForKeyword */: + return parseForOrForInOrForOfStatement(); + case 75 /* ContinueKeyword */: + return parseBreakOrContinueStatement(205 /* ContinueStatement */); + case 70 /* BreakKeyword */: + return parseBreakOrContinueStatement(206 /* BreakStatement */); + case 94 /* ReturnKeyword */: + return parseReturnStatement(); + case 105 /* WithKeyword */: + return parseWithStatement(); + case 96 /* SwitchKeyword */: + return parseSwitchStatement(); + case 98 /* ThrowKeyword */: + return parseThrowStatement(); + case 100 /* TryKeyword */: + // Include 'catch' and 'finally' for error recovery. + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return parseTryStatement(); + case 76 /* DebuggerKeyword */: + return parseDebuggerStatement(); + case 55 /* AtToken */: + return parseDeclaration(); + case 118 /* AsyncKeyword */: + case 107 /* InterfaceKeyword */: + case 132 /* TypeKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + case 122 /* DeclareKeyword */: + case 74 /* ConstKeyword */: + case 81 /* EnumKeyword */: + case 82 /* ExportKeyword */: + case 89 /* ImportKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 112 /* PublicKeyword */: + case 115 /* AbstractKeyword */: + case 113 /* StaticKeyword */: + case 134 /* GlobalKeyword */: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + return parseVariableStatement(fullStart, decorators, modifiers); + case 87 /* FunctionKeyword */: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 73 /* ClassKeyword */: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 107 /* InterfaceKeyword */: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 132 /* TypeKeyword */: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 81 /* EnumKeyword */: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 134 /* GlobalKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 89 /* ImportKeyword */: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 82 /* ExportKeyword */: + nextToken(); + return token === 77 /* DefaultKeyword */ || token === 56 /* EqualsToken */ ? + parseExportAssignment(fullStart, decorators, modifiers) : + parseExportDeclaration(fullStart, decorators, modifiers); + default: + if (decorators || modifiers) { + // We reached this point because we encountered decorators and/or modifiers and assumed a declaration + // would follow. For recovery and error reporting purposes, return an incomplete declaration. + var node = createMissingNode(234 /* MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + setModifiers(node, modifiers); + return finishNode(node); + } + } + } + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9 /* StringLiteral */); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token !== 15 /* OpenBraceToken */ && canParseSemicolon()) { + parseSemicolon(); + return; + } + return parseFunctionBlock(isGenerator, isAsync, /*ignoreMissingOpenBrace*/ false, diagnosticMessage); + } + // DECLARATIONS + function parseArrayBindingElement() { + if (token === 24 /* CommaToken */) { + return createNode(190 /* OmittedExpression */); + } + var node = createNode(166 /* BindingElement */); + node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(/*inParameter*/ false); + return finishNode(node); + } + function parseObjectBindingElement() { + var node = createNode(166 /* BindingElement */); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token !== 54 /* ColonToken */) { + node.name = propertyName; + } + else { + parseExpected(54 /* ColonToken */); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); + } + node.initializer = parseBindingElementInitializer(/*inParameter*/ false); + return finishNode(node); + } + function parseObjectBindingPattern() { + var node = createNode(164 /* ObjectBindingPattern */); + parseExpected(15 /* OpenBraceToken */); + node.elements = parseDelimitedList(9 /* ObjectBindingElements */, parseObjectBindingElement); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseArrayBindingPattern() { + var node = createNode(165 /* ArrayBindingPattern */); + parseExpected(19 /* OpenBracketToken */); + node.elements = parseDelimitedList(10 /* ArrayBindingElements */, parseArrayBindingElement); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function isIdentifierOrPattern() { + return token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */ || isIdentifier(); + } + function parseIdentifierOrPattern() { + if (token === 19 /* OpenBracketToken */) { + return parseArrayBindingPattern(); + } + if (token === 15 /* OpenBraceToken */) { + return parseObjectBindingPattern(); + } + return parseIdentifier(); + } + function parseVariableDeclaration() { + var node = createNode(214 /* VariableDeclaration */); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token)) { + node.initializer = parseInitializer(/*inParameter*/ false); + } + return finishNode(node); + } + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(215 /* VariableDeclarationList */); + switch (token) { + case 102 /* VarKeyword */: + break; + case 108 /* LetKeyword */: + node.flags |= 8192 /* Let */; + break; + case 74 /* ConstKeyword */: + node.flags |= 16384 /* Const */; + break; + default: + ts.Debug.fail(); + } + nextToken(); + // The user may have written the following: + // + // for (let of X) { } + // + // In this case, we want to parse an empty declaration list, and then parse 'of' + // as a keyword. The reason this is not automatic is that 'of' is a valid identifier. + // So we need to look ahead to determine if 'of' should be treated as a keyword in + // this context. + // The checker will then give an error that there is an empty declaration list. + if (token === 135 /* OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); + } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8 /* VariableDeclarations */, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); + } + return finishNode(node); + } + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 18 /* CloseParenToken */; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(196 /* VariableStatement */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(216 /* FunctionDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(87 /* FunctionKeyword */); + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + node.name = node.flags & 512 /* Default */ ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256 /* Async */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(145 /* Constructor */, pos); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(121 /* ConstructorKeyword */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(144 /* MethodDeclaration */, fullStart); + method.decorators = decorators; + setModifiers(method, modifiers); + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = !!(method.flags & 256 /* Async */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(142 /* PropertyDeclaration */, fullStart); + property.decorators = decorators; + setModifiers(property, modifiers); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + // For instance properties specifically, since they are evaluated inside the constructor, + // we do *not * want to parse yield expressions, so we specifically turn the yield context + // off. The grammar would look something like this: + // + // MemberVariableDeclaration[Yield]: + // AccessibilityModifier_opt PropertyName TypeAnnotation_opt Initialiser_opt[In]; + // AccessibilityModifier_opt static_opt PropertyName TypeAnnotation_opt Initialiser_opt[In, ?Yield]; + // + // The checker may still error in the static case to explicitly disallow the yield expression. + property.initializer = modifiers && modifiers.flags & 64 /* Static */ + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(2 /* Yield */ | 1 /* DisallowIn */, parseNonParameterInitializer); + parseSemicolon(); + return finishNode(property); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var name = parsePropertyName(); + // Note: this is not legal as per the grammar. But we allow it in the parser and + // report an error in the grammar checker. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); + } + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); + } + } + function parseNonParameterInitializer() { + return parseInitializer(/*inParameter*/ false); + } + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.name = parsePropertyName(); + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false); + return finishNode(node); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + return true; + default: + return false; + } + } + function isClassMemberStart() { + var idToken; + if (token === 55 /* AtToken */) { + return true; + } + // Eat up all modifiers, but hold on to the last one in case it is actually an identifier. + while (ts.isModifierKind(token)) { + idToken = token; + // If the idToken is a class modifier (protected, private, public, and static), it is + // certain that we are starting to parse class member. This allows better error recovery + // Example: + // public foo() ... // true + // public @dec blah ... // true; we will then report an error later + // export public ... // true; we will then report an error later + if (isClassMemberModifier(idToken)) { + return true; + } + nextToken(); + } + if (token === 37 /* AsteriskToken */) { + return true; + } + // Try to get the first property-like token following all modifiers. + // This can either be an identifier or the 'get' or 'set' keywords. + if (isLiteralPropertyName()) { + idToken = token; + nextToken(); + } + // Index signatures and computed properties are class members; we can parse. + if (token === 19 /* OpenBracketToken */) { + return true; + } + // If we were able to get any potential identifier... + if (idToken !== undefined) { + // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse. + if (!ts.isKeyword(idToken) || idToken === 129 /* SetKeyword */ || idToken === 123 /* GetKeyword */) { + return true; + } + // If it *is* a keyword, but not an accessor, check a little farther along + // to see if it should actually be parsed as a class member. + switch (token) { + case 17 /* OpenParenToken */: // Method declaration + case 25 /* LessThanToken */: // Generic Method declaration + case 54 /* ColonToken */: // Type Annotation for declaration + case 56 /* EqualsToken */: // Initializer for declaration + case 53 /* QuestionToken */: + return true; + default: + // Covers + // - Semicolons (declaration termination) + // - Closing braces (end-of-class, must be declaration) + // - End-of-files (not valid, but permitted so that it gets caught later on) + // - Line-breaks (enabling *automatic semicolon insertion*) + return canParseSemicolon(); + } + } + return false; + } + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(55 /* AtToken */)) { + break; + } + if (!decorators) { + decorators = []; + decorators.pos = decoratorStart; + } + var decorator = createNode(140 /* Decorator */, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + decorators.push(finishNode(decorator)); + } + if (decorators) { + decorators.end = getNodeEnd(); + } + return decorators; + } + /* + * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member. + * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect + * and turns it into a standalone declaration), then it is better to parse it and report an error later. + * + * In such situations, 'permitInvalidConstAsModifier' should be set to true. + */ + function parseModifiers(permitInvalidConstAsModifier) { + var flags = 0; + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + if (token === 74 /* ConstKeyword */ && permitInvalidConstAsModifier) { + // We need to ensure that any subsequent modifiers appear on the same line + // so that when 'const' is a standalone declaration, we don't issue an error. + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } + } + else { + if (!parseAnyContextualModifier()) { + break; + } + } + if (!modifiers) { + modifiers = []; + modifiers.pos = modifierStart; + } + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + } + if (modifiers) { + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseModifiersForArrowFunction() { + var flags = 0; + var modifiers; + if (token === 118 /* AsyncKeyword */) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + nextToken(); + modifiers = []; + modifiers.pos = modifierStart; + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseClassElement() { + if (token === 23 /* SemicolonToken */) { + var result = createNode(194 /* SemicolonClassElement */); + nextToken(); + return finishNode(result); + } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + if (token === 121 /* ConstructorKeyword */) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + // It is very important that we check this *after* checking indexers because + // the [ token can start an index signature or a computed property name + if (ts.tokenIsIdentifierOrKeyword(token) || + token === 9 /* StringLiteral */ || + token === 8 /* NumericLiteral */ || + token === 37 /* AsteriskToken */ || + token === 19 /* OpenBracketToken */) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + // treat this as a property declaration with a missing name. + var name_7 = createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, /*questionToken*/ undefined); + } + // 'isClassMemberStart' should have hinted not to attempt parsing. + ts.Debug.fail("Should not have attempted to parse class member declaration."); + } + function parseClassExpression() { + return parseClassDeclarationOrExpression( + /*fullStart*/ scanner.getStartPos(), + /*decorators*/ undefined, + /*modifiers*/ undefined, 189 /* ClassExpression */); + } + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217 /* ClassDeclaration */); + } + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(73 /* ClassKeyword */); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ true); + if (parseExpected(15 /* OpenBraceToken */)) { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + node.members = parseClassMembers(); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseNameOfClassDeclarationOrExpression() { + // implements is a future reserved word so + // 'class implements' might mean either + // - class expression with omitted name, 'implements' starts heritage clause + // - class with name 'implements' + // 'isImplementsClause' helps to disambiguate between these two cases + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; + } + function isImplementsClause() { + return token === 106 /* ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword); + } + function parseHeritageClauses(isClassHeritageClause) { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + if (isHeritageClause()) { + return parseList(20 /* HeritageClauses */, parseHeritageClause); + } + return undefined; + } + function parseHeritageClause() { + if (token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */) { + var node = createNode(246 /* HeritageClause */); + node.token = token; + nextToken(); + node.types = parseDelimitedList(7 /* HeritageClauseElement */, parseExpressionWithTypeArguments); + return finishNode(node); + } + return undefined; + } + function parseExpressionWithTypeArguments() { + var node = createNode(191 /* ExpressionWithTypeArguments */); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token === 25 /* LessThanToken */) { + node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + return finishNode(node); + } + function isHeritageClause() { + return token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + } + function parseClassMembers() { + return parseList(5 /* ClassMembers */, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(218 /* InterfaceDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(107 /* InterfaceKeyword */); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ false); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(219 /* TypeAliasDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(132 /* TypeKeyword */); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(56 /* EqualsToken */); + node.type = parseType(); + parseSemicolon(); + return finishNode(node); + } + // In an ambient declaration, the grammar only allows integer literals as initializers. + // In a non-ambient declaration, the grammar allows uninitialized members only in a + // ConstantEnumMemberSection, which starts at the beginning of an enum declaration + // or any time an integer literal initializer is encountered. + function parseEnumMember() { + var node = createNode(250 /* EnumMember */, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return finishNode(node); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(220 /* EnumDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(81 /* EnumKeyword */); + node.name = parseIdentifier(); + if (parseExpected(15 /* OpenBraceToken */)) { + node.members = parseDelimitedList(6 /* EnumMembers */, parseEnumMember); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseModuleBlock() { + var node = createNode(222 /* ModuleBlock */, scanner.getStartPos()); + if (parseExpected(15 /* OpenBraceToken */)) { + node.statements = parseList(1 /* BlockStatements */, parseStatement); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(221 /* ModuleDeclaration */, fullStart); + // If we are parsing a dotted namespace name, we want to + // propagate the 'Namespace' flag across the names if set. + var namespaceFlag = flags & 65536 /* Namespace */; + node.decorators = decorators; + setModifiers(node, modifiers); + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(21 /* DotToken */) + ? parseModuleOrNamespaceDeclaration(getNodePos(), /*decorators*/ undefined, /*modifiers*/ undefined, 2 /* Export */ | namespaceFlag) + : parseModuleBlock(); + return finishNode(node); + } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221 /* ModuleDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (token === 134 /* GlobalKeyword */) { + // parse 'global' as name of global scope augmentation + node.name = parseIdentifier(); + node.flags |= 2097152 /* GlobalAugmentation */; + } + else { + node.name = parseLiteralNode(/*internName*/ true); + } + node.body = parseModuleBlock(); + return finishNode(node); + } + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = modifiers ? modifiers.flags : 0; + if (token === 134 /* GlobalKeyword */) { + // global augmentation + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + else if (parseOptional(126 /* NamespaceKeyword */)) { + flags |= 65536 /* Namespace */; + } + else { + parseExpected(125 /* ModuleKeyword */); + if (token === 9 /* StringLiteral */) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); + } + function isExternalModuleReference() { + return token === 127 /* RequireKeyword */ && + lookAhead(nextTokenIsOpenParen); + } + function nextTokenIsOpenParen() { + return nextToken() === 17 /* OpenParenToken */; + } + function nextTokenIsSlash() { + return nextToken() === 39 /* SlashToken */; + } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(89 /* ImportKeyword */); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token !== 24 /* CommaToken */ && token !== 133 /* FromKeyword */) { + // ImportEquals declaration of type: + // import x = require("mod"); or + // import x = M.x; + var importEqualsDeclaration = createNode(224 /* ImportEqualsDeclaration */, fullStart); + importEqualsDeclaration.decorators = decorators; + setModifiers(importEqualsDeclaration, modifiers); + importEqualsDeclaration.name = identifier; + parseExpected(56 /* EqualsToken */); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return finishNode(importEqualsDeclaration); + } + } + // Import statement + var importDeclaration = createNode(225 /* ImportDeclaration */, fullStart); + importDeclaration.decorators = decorators; + setModifiers(importDeclaration, modifiers); + // ImportDeclaration: + // import ImportClause from ModuleSpecifier ; + // import ModuleSpecifier; + if (identifier || + token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(133 /* FromKeyword */); + } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); + } + function parseImportClause(identifier, fullStart) { + // ImportClause: + // ImportedDefaultBinding + // NameSpaceImport + // NamedImports + // ImportedDefaultBinding, NameSpaceImport + // ImportedDefaultBinding, NamedImports + var importClause = createNode(226 /* ImportClause */, fullStart); + if (identifier) { + // ImportedDefaultBinding: + // ImportedBinding + importClause.name = identifier; + } + // If there was no default import or if there is comma token after default import + // parse namespace or named imports + if (!importClause.name || + parseOptional(24 /* CommaToken */)) { + importClause.namedBindings = token === 37 /* AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(228 /* NamedImports */); + } + return finishNode(importClause); + } + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(/*allowReservedWords*/ false); + } + function parseExternalModuleReference() { + var node = createNode(235 /* ExternalModuleReference */); + parseExpected(127 /* RequireKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = parseModuleSpecifier(); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseModuleSpecifier() { + if (token === 9 /* StringLiteral */) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; + } + else { + // We allow arbitrary expressions here, even though the grammar only allows string + // literals. We check to ensure that it is only a string literal later in the grammar + // check pass. + return parseExpression(); + } + } + function parseNamespaceImport() { + // NameSpaceImport: + // * as ImportedBinding + var namespaceImport = createNode(227 /* NamespaceImport */); + parseExpected(37 /* AsteriskToken */); + parseExpected(116 /* AsKeyword */); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); + } + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + // NamedImports: + // { } + // { ImportsList } + // { ImportsList, } + // ImportsList: + // ImportSpecifier + // ImportsList, ImportSpecifier + node.elements = parseBracketedList(21 /* ImportOrExportSpecifiers */, kind === 228 /* NamedImports */ ? parseImportSpecifier : parseExportSpecifier, 15 /* OpenBraceToken */, 16 /* CloseBraceToken */); + return finishNode(node); + } + function parseExportSpecifier() { + return parseImportOrExportSpecifier(233 /* ExportSpecifier */); + } + function parseImportSpecifier() { + return parseImportOrExportSpecifier(229 /* ImportSpecifier */); + } + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + // ImportSpecifier: + // BindingIdentifier + // IdentifierName as BindingIdentifier + // ExportSpecififer: + // IdentifierName + // IdentifierName as IdentifierName + var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token === 116 /* AsKeyword */) { + node.propertyName = identifierName; + parseExpected(116 /* AsKeyword */); + checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 229 /* ImportSpecifier */ && checkIdentifierIsKeyword) { + // Report error identifier expected + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); + } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(231 /* ExportDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(37 /* AsteriskToken */)) { + parseExpected(133 /* FromKeyword */); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(232 /* NamedExports */); + // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios, + // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`) + // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect. + if (token === 133 /* FromKeyword */ || (token === 9 /* StringLiteral */ && !scanner.hasPrecedingLineBreak())) { + parseExpected(133 /* FromKeyword */); + node.moduleSpecifier = parseModuleSpecifier(); + } + } + parseSemicolon(); + return finishNode(node); + } + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(230 /* ExportAssignment */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(56 /* EqualsToken */)) { + node.isExportEquals = true; + } + else { + parseExpected(77 /* DefaultKeyword */); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); + } + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ false, 0 /* Standard */, sourceText); + var referencedFiles = []; + var amdDependencies = []; + var amdModuleName; + // Keep scanning all the leading trivia in the file until we get to something that + // isn't trivia. Any single line comment will be analyzed to see if it is a + // reference comment. + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2 /* SingleLineCommentTrivia */) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; + } + } + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + referencedFiles.push(fileReference); + } + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); + } + } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function parseQualifiedName(left) { + var result = createNode(136 /* QualifiedName */, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); + } + function parseJSDocRecordType() { + var result = createNode(260 /* JSDocRecordType */); + nextToken(); + result.members = parseDelimitedList(24 /* JSDocRecordMembers */, parseJSDocRecordMember); + checkForTrailingComma(result.members); + parseExpected(16 /* CloseBraceToken */); + return finishNode(result); + } + function parseJSDocRecordMember() { + var result = createNode(261 /* JSDocRecordMember */); + result.name = parseSimplePropertyName(); + if (token === 54 /* ColonToken */) { + nextToken(); + result.type = parseJSDocType(); + } + return finishNode(result); + } + function parseJSDocNonNullableType() { + var result = createNode(259 /* JSDocNonNullableType */); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); + } + function parseJSDocTupleType() { + var result = createNode(257 /* JSDocTupleType */); + nextToken(); + result.types = parseDelimitedList(25 /* JSDocTupleTypes */, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(20 /* CloseBracketToken */); + return finishNode(result); + } + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function parseJSDocUnionType() { + var result = createNode(256 /* JSDocUnionType */); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(18 /* CloseParenToken */); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = []; + types.pos = firstType.pos; + types.push(firstType); + while (parseOptional(47 /* BarToken */)) { + types.push(parseJSDocType()); + } + types.end = scanner.getStartPos(); + return types; + } + function parseJSDocAllType() { + var result = createNode(253 /* JSDocAllType */); + nextToken(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + // skip the ? + nextToken(); + // Need to lookahead to decide if this is a nullable or unknown type. + // Here are cases where we'll pick the unknown type: + // + // Foo(?, + // { a: ? } + // Foo(?) + // Foo + // Foo(?= + // (?| + if (token === 24 /* CommaToken */ || + token === 16 /* CloseBraceToken */ || + token === 18 /* CloseParenToken */ || + token === 27 /* GreaterThanToken */ || + token === 56 /* EqualsToken */ || + token === 47 /* BarToken */) { + var result = createNode(254 /* JSDocUnknownType */, pos); + return finishNode(result); + } + else { + var result = createNode(258 /* JSDocNullableType */, pos); + result.type = parseJSDocType(); + return finishNode(result); + } + } + function parseIsolatedJSDocComment(content, start, length) { + initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); + sourceFile = { languageVariant: 0 /* Standard */, text: content }; + var jsDocComment = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var result; + // Check for /** (JSDoc opening part) + if (content.charCodeAt(start) === 47 /* slash */ && + content.charCodeAt(start + 1) === 42 /* asterisk */ && + content.charCodeAt(start + 2) === 42 /* asterisk */ && + content.charCodeAt(start + 3) !== 42 /* asterisk */) { + // + 3 for leading /**, - 5 in total for /** */ + scanner.scanRange(start + 3, length - 5, function () { + // Initially we can parse out a tag. We also have seen a starting asterisk. + // This is so that /** * @type */ doesn't parse. + var canParseTag = true; + var seenAsterisk = true; + nextJSDocToken(); + while (token !== 1 /* EndOfFileToken */) { + switch (token) { + case 55 /* AtToken */: + if (canParseTag) { + parseTag(); + } + // This will take us to the end of the line, so it's OK to parse a tag on the next pass through the loop + seenAsterisk = false; + break; + case 4 /* NewLineTrivia */: + // After a line break, we can parse a tag, and we haven't seen an asterisk on the next line yet + canParseTag = true; + seenAsterisk = false; + break; + case 37 /* AsteriskToken */: + if (seenAsterisk) { + // If we've already seen an asterisk, then we can no longer parse a tag on this line + canParseTag = false; + } + // Ignore the first asterisk on a line + seenAsterisk = true; + break; + case 69 /* Identifier */: + // Anything else is doc comment text. We can't do anything with it. Because it + // wasn't a tag, we can no longer parse a tag on this line until we hit the next + // line break. + canParseTag = false; + break; + case 1 /* EndOfFileToken */: + break; + } + nextJSDocToken(); + } + result = createJSDocComment(); + }); + } + return result; + function createJSDocComment() { + if (!tags) { + return undefined; + } + var result = createNode(268 /* JSDocComment */, start); + result.tags = tags; + return finishNode(result, end); + } + function skipWhitespace() { + while (token === 5 /* WhitespaceTrivia */ || token === 4 /* NewLineTrivia */) { + nextJSDocToken(); + } + } + function parseTag() { + ts.Debug.assert(token === 55 /* AtToken */); + var atToken = createNode(55 /* AtToken */, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifier(); + if (!tagName) { + return; + } + var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); + addTag(tag); + } + function handleTag(atToken, tagName) { + if (tagName) { + switch (tagName.text) { + case "param": + return handleParamTag(atToken, tagName); + case "return": + case "returns": + return handleReturnTag(atToken, tagName); + case "template": + return handleTemplateTag(atToken, tagName); + case "type": + return handleTypeTag(atToken, tagName); + } + } + return undefined; + } + function handleUnknownTag(atToken, tagName) { + var result = createNode(269 /* JSDocTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag) { + if (tag) { + if (!tags) { + tags = []; + tags.pos = tag.pos; + } + tags.push(tag); + tags.end = tag.end; + } + } + function tryParseTypeExpression() { + if (token !== 15 /* OpenBraceToken */) { + return undefined; + } + var typeExpression = parseJSDocTypeExpression(); + return typeExpression; + } + function handleParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + // Looking for something like '[foo]' or 'foo' + if (parseOptionalToken(19 /* OpenBracketToken */)) { + name = parseJSDocIdentifier(); + isBracketed = true; + // May have an optional default, e.g. '[foo = 42]' + if (parseOptionalToken(56 /* EqualsToken */)) { + parseExpression(); + } + parseExpected(20 /* CloseBracketToken */); + } + else if (token === 69 /* Identifier */) { + name = parseJSDocIdentifier(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; + } + else { + preName = name; + } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); + } + var result = createNode(270 /* JSDocParameterTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.isBracketed = isBracketed; + return finishNode(result); + } + function handleReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 271 /* JSDocReturnTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(271 /* JSDocReturnTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 272 /* JSDocTypeTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(272 /* JSDocTypeTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 273 /* JSDocTemplateTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + // Type parameter list looks like '@template T,U,V' + var typeParameters = []; + typeParameters.pos = scanner.getStartPos(); + while (true) { + var name_8 = parseJSDocIdentifier(); + if (!name_8) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(138 /* TypeParameter */, name_8.pos); + typeParameter.name = name_8; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token === 24 /* CommaToken */) { + nextJSDocToken(); + } + else { + break; + } + } + var result = createNode(273 /* JSDocTemplateTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; + } + function nextJSDocToken() { + return token = scanner.scanJSDocToken(); + } + function parseJSDocIdentifier() { + if (token !== 69 /* Identifier */) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(69 /* Identifier */, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; + } + } + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + // if the text didn't change, then we can just return our current source file as-is. + return sourceFile; + } + if (sourceFile.statements.length === 0) { + // If we don't have any statements in the current source file, then there's no real + // way to incrementally parse. So just do a full parse instead. + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true); + } + // Make sure we're not trying to incrementally update a source file more than once. Once + // we do an update the original source file is considered unusbale from that point onwards. + // + // This is because we do incremental parsing in-place. i.e. we take nodes from the old + // tree and give them new positions and parents. From that point on, trusting the old + // tree at all is not possible as far too much of it may violate invariants. + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + // Make the actual change larger so that we know to reparse anything whose lookahead + // might have intersected the change. + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + // Ensure that extending the affected range only moved the start of the change range + // earlier in the file. + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + // The is the amount the nodes after the edit range need to be adjusted. It can be + // positive (if the edit added characters), negative (if the edit deleted characters) + // or zero (if this was a pure overwrite with nothing added/removed). + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + // If we added or removed characters during the edit, then we need to go and adjust all + // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they + // may move backward (if we deleted chars). + // + // Doing this helps us out in two ways. First, it means that any nodes/tokens we want + // to reuse are already at the appropriate position in the new text. That way when we + // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes + // it very easy to determine if we can reuse a node. If the node's position is at where + // we are in the text, then we can reuse it. Otherwise we can't. If the node's position + // is ahead of us, then we'll need to rescan tokens. If the node's position is behind + // us, then we'll need to skip it or crumble it as appropriate + // + // We will also adjust the positions of nodes that intersect the change range as well. + // By doing this, we ensure that all the positions in the old tree are consistent, not + // just the positions of nodes entirely before/after the change range. By being + // consistent, we can then easily map from positions to nodes in the old tree easily. + // + // Also, mark any syntax elements that intersect the changed span. We know, up front, + // that we cannot reuse these elements. + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + // Now that we've set up our internal incremental state just proceed and parse the + // source file in the normal fashion. When possible the parser will retrieve and + // reuse nodes from the old tree. + // + // Note: passing in 'true' for setNodeParents is very important. When incrementally + // parsing, we will be reusing nodes from the old tree, and placing it into new + // parents. If we don't set the parents now, we'll end up with an observably + // inconsistent tree. Setting the parents on the new tree should be very fast. We + // will immediately bail out of walking any subtrees when we can see that their parents + // are already correct. + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); + } + // Ditch any existing LS children we may have created. This way we can avoid + // moving them forward. + if (node._children) { + node._children = undefined; + } + if (node.jsDocComment) { + node.jsDocComment = undefined; + } + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); + } + forEachChild(node, visitNode, visitArray); + checkNodePositions(node, aggressiveChecks); + } + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { + var node = array_7[_i]; + visitNode(node); + } + } + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + case 69 /* Identifier */: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + // We have an element that intersects the change range in some way. It may have its + // start, or its end (or both) in the changed range. We want to adjust any part + // that intersects such that the final tree is in a consistent state. i.e. all + // chlidren have spans within the span of their parent, and all siblings are ordered + // properly. + // We may need to update both the 'pos' and the 'end' of the element. + // If the 'pos' is before the start of the change, then we don't need to touch it. + // If it isn't, then the 'pos' must be inside the change. How we update it will + // depend if delta is positive or negative. If delta is positive then we have + // something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that started in the change range to still be + // starting at the same position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that started in the 'X' range will keep its position. + // However any element htat started after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that started in the 'Y' range will + // be adjusted to have their start at the end of the 'Z' range. + // + // The element will keep its position if possible. Or Move backward to the new-end + // if it's in the 'Y' range. + element.pos = Math.min(element.pos, changeRangeNewEnd); + // If the 'end' is after the change range, then we always adjust it by the delta + // amount. However, if the end is in the change range, then how we adjust it + // will depend on if delta is positive or negative. If delta is positive then we + // have something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that ended inside the change range to keep its + // end position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that ended in the 'X' range will keep its position. + // However any element htat ended after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that ended in the 'Y' range will + // be adjusted to have their end at the end of the 'Z' range. + if (element.end >= changeRangeOldEnd) { + // Element ends after the change range. Always adjust the end pos. + element.end += delta; + } + else { + // Element ends in the change range. The element will keep its position if + // possible. Or Move backward to the new-end if it's in the 'Y' range. + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + // Node is entirely past the change range. We need to move both its pos and + // end, forward or backward appropriately. + moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + // Adjust the pos or end (or both) of the intersecting element accordingly. + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; + } + // Otherwise, the node is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + // Array is entirely after the change range. We need to move it, and move any of + // its children. + moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + // Adjust the pos or end (or both) of the intersecting array accordingly. + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { + var node = array_8[_i]; + visitNode(node); + } + return; + } + // Otherwise, the array is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + } + function extendToAffectedRange(sourceFile, changeRange) { + // Consider the following code: + // void foo() { /; } + // + // If the text changes with an insertion of / just before the semicolon then we end up with: + // void foo() { //; } + // + // If we were to just use the changeRange a is, then we would not rescan the { token + // (as it does not intersect the actual original change range). Because an edit may + // change the token touching it, we actually need to look back *at least* one token so + // that the prior token sees that change. + var maxLookahead = 1; + var start = changeRange.span.start; + // the first iteration aligns us with the change start. subsequent iteration move us to + // the left by maxLookahead tokens. We only need to do this as long as we're not at the + // start of the tree. + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); + } + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; + } + } + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; + } + else { + return node; + } + } + } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; + } + function visit(child) { + if (ts.nodeIsMissing(child)) { + // Missing nodes are effectively invisible to us. We never even consider them + // When trying to find the nearest node before us. + return; + } + // If the child intersects this position, then this node is currently the nearest + // node that starts before the position. + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + // This node starts before the position, and is closer to the position than + // the previous best node we found. It is now the new best node. + bestResult = child; + } + // Now, the node may overlap the position, or it may end entirely before the + // position. If it overlaps with the position, then either it, or one of its + // children must be the nearest node before the position. So we can just + // recurse into this child to see if we can find something better. + if (position < child.end) { + // The nearest node is either this child, or one of the children inside + // of it. We've already marked this child as the best so far. Recurse + // in case one of the children is better. + forEachChild(child, visit); + // Once we look at the children of this node, then there's no need to + // continue any further. + return true; + } + else { + ts.Debug.assert(child.end <= position); + // The child ends entirely before this position. Say you have the following + // (where $ is the position) + // + // ? $ : <...> <...> + // + // We would want to find the nearest preceding node in "complex expr 2". + // To support that, we keep track of this node, and once we're done searching + // for a best node, we recurse down this node to see if we can find a good + // result in it. + // + // This approach allows us to quickly skip over nodes that are entirely + // before the position, while still allowing us to find any nodes in the + // last one that might be what we want. + lastNodeEntirelyBeforePosition = child; + } + } + else { + ts.Debug.assert(child.pos > position); + // We're now at a node that is entirely past the position we're searching for. + // This node (and all following nodes) could never contribute to the result, + // so just skip them by returning 'true' here. + return true; + } + } + } + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); + } + } + } + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1 /* Value */; + return { + currentNode: function (position) { + // Only compute the current node if the position is different than the last time + // we were asked. The parser commonly asks for the node at the same position + // twice. Once to know if can read an appropriate list element at a certain point, + // and then to actually read and consume the node. + if (position !== lastQueriedPosition) { + // Much of the time the parser will need the very next node in the array that + // we just returned a node from.So just simply check for that case and move + // forward in the array instead of searching for the node again. + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + // If we don't have a node, or the node we have isn't in the right position, + // then try to find a viable node at the position requested. + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); + } + } + // Cache this query so that we don't do any extra work if the parser calls back + // into us. Note: this is very common as the parser will make pairs of calls like + // 'isListElement -> parseListElement'. If we were unable to find a node when + // called with 'isListElement', we don't want to redo the work when parseListElement + // is called immediately after. + lastQueriedPosition = position; + // Either we don'd have a node, or we have a node at the position being asked for. + ts.Debug.assert(!current || current.pos === position); + return current; + } + }; + // Finds the highest element in the tree we can find that starts at the provided position. + // The element must be a direct child of some node list in the tree. This way after we + // return it, we can easily return its next sibling in the list. + function findHighestListElementThatStartsAtPosition(position) { + // Clear out any cached state about the last node we found. + currentArray = undefined; + currentArrayIndex = -1 /* Value */; + current = undefined; + // Recurse into the source file to find the highest node at this position. + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + // Position was within this node. Keep searching deeper to find the node. + forEachChild(node, visitNode, visitArray); + // don't procede any futher in the search. + return true; + } + // position wasn't in this node, have to keep searching. + return false; + } + function visitArray(array) { + if (position >= array.pos && position < array.end) { + // position was in this array. Search through this array to see if we find a + // viable element. + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + // Found the right node. We're done. + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + // Position in somewhere within this child. Search in it and + // stop searching in this array. + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + // position wasn't in this array, have to keep searching. + return false; + } + } + } + var InvalidPosition; + (function (InvalidPosition) { + InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; + })(InvalidPosition || (InvalidPosition = {})); + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +/// +/// +/* @internal */ +var ts; +(function (ts) { + ts.bindTime = 0; + (function (ModuleInstanceState) { + ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; + ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; + ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; + })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); + var ModuleInstanceState = ts.ModuleInstanceState; + var Reachability; + (function (Reachability) { + Reachability[Reachability["Unintialized"] = 1] = "Unintialized"; + Reachability[Reachability["Reachable"] = 2] = "Reachable"; + Reachability[Reachability["Unreachable"] = 4] = "Unreachable"; + Reachability[Reachability["ReportedUnreachable"] = 8] = "ReportedUnreachable"; + })(Reachability || (Reachability = {})); + function or(state1, state2) { + return (state1 | state2) & 2 /* Reachable */ + ? 2 /* Reachable */ + : (state1 & state2) & 8 /* ReportedUnreachable */ + ? 8 /* ReportedUnreachable */ + : 4 /* Unreachable */; + } + function getModuleInstanceState(node) { + // A module is uninstantiated if it contains only + // 1. interface declarations, type alias declarations + if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 219 /* TypeAliasDeclaration */) { + return 0 /* NonInstantiated */; + } + else if (ts.isConstEnumDeclaration(node)) { + return 2 /* ConstEnumOnly */; + } + else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && !(node.flags & 2 /* Export */)) { + return 0 /* NonInstantiated */; + } + else if (node.kind === 222 /* ModuleBlock */) { + var state_1 = 0 /* NonInstantiated */; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0 /* NonInstantiated */: + // child is non-instantiated - continue searching + return false; + case 2 /* ConstEnumOnly */: + // child is const enum only - record state and continue searching + state_1 = 2 /* ConstEnumOnly */; + return false; + case 1 /* Instantiated */: + // child is instantiated - record state and stop + state_1 = 1 /* Instantiated */; + return true; + } + }); + return state_1; + } + else if (node.kind === 221 /* ModuleDeclaration */) { + return getModuleInstanceState(node.body); + } + else { + return 1 /* Instantiated */; + } + } + ts.getModuleInstanceState = getModuleInstanceState; + var ContainerFlags; + (function (ContainerFlags) { + // The current node is not a container, and no container manipulation should happen before + // recursing into it. + ContainerFlags[ContainerFlags["None"] = 0] = "None"; + // The current node is a container. It should be set as the current container (and block- + // container) before recursing into it. The current node does not have locals. Examples: + // + // Classes, ObjectLiterals, TypeLiterals, Interfaces... + ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; + // The current node is a block-scoped-container. It should be set as the current block- + // container before recursing into it. Examples: + // + // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements... + ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; + ContainerFlags[ContainerFlags["HasLocals"] = 4] = "HasLocals"; + // If the current node is a container that also container that also contains locals. Examples: + // + // Functions, Methods, Modules, Source-files. + ContainerFlags[ContainerFlags["IsContainerWithLocals"] = 5] = "IsContainerWithLocals"; + })(ContainerFlags || (ContainerFlags = {})); + var binder = createBinder(); + function bindSourceFile(file, options) { + var start = new Date().getTime(); + binder(file, options); + ts.bindTime += new Date().getTime() - start; + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + // state used by reachability checks + var hasExplicitReturn; + var currentReachabilityState; + var labelStack; + var labelIndexMap; + var implicitLabels; + // state used for emit helpers + var hasClassExtends; + var hasAsyncFunctions; + var hasDecorators; + var hasParameterDecorators; + // If this file is an external module, then it is automatically in strict-mode according to + // ES6. If it is not an external module, then we'll determine if it is in strict mode or + // not depending on if we see "use strict" in certain places (or if we hit a class/namespace). + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + function bindSourceFile(f, opts) { + file = f; + options = opts; + inStrictMode = !!file.externalModuleIndicator; + classifiableNames = {}; + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + hasExplicitReturn = false; + labelStack = undefined; + labelIndexMap = undefined; + implicitLabels = undefined; + hasClassExtends = false; + hasAsyncFunctions = false; + hasDecorators = false; + hasParameterDecorators = false; + } + return bindSourceFile; + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; + } + symbol.declarations.push(node); + if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { + symbol.exports = {}; + } + if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { + symbol.members = {}; + } + if (symbolFlags & 107455 /* Value */) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221 /* ModuleDeclaration */)) { + // other kinds of value declarations take precedence over modules + symbol.valueDeclaration = node; + } + } + } + // Should not be called on a declaration with a computed property name, + // unless it is a well known Symbol. + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; + } + if (node.name.kind === 137 /* ComputedPropertyName */) { + var nameExpression = node.name.expression; + // treat computed property names where expression is string/numeric literal as just string/numeric literal + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + } + return node.name.text; + } + switch (node.kind) { + case 145 /* Constructor */: + return "__constructor"; + case 153 /* FunctionType */: + case 148 /* CallSignature */: + return "__call"; + case 154 /* ConstructorType */: + case 149 /* ConstructSignature */: + return "__new"; + case 150 /* IndexSignature */: + return "__index"; + case 231 /* ExportDeclaration */: + return "__export"; + case 230 /* ExportAssignment */: + return node.isExportEquals ? "export=" : "default"; + case 184 /* BinaryExpression */: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2 /* ModuleExports */: + // module.exports = ... + return "export="; + case 1 /* ExportsProperty */: + case 4 /* ThisProperty */: + // exports.x = ... or this.y = ... + return node.left.name.text; + case 3 /* PrototypeProperty */: + // className.prototype.methodName = ... + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 216 /* FunctionDeclaration */: + case 217 /* ClassDeclaration */: + return node.flags & 512 /* Default */ ? "default" : undefined; + case 264 /* JSDocFunctionType */: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 139 /* Parameter */: + // Parameters with names are handled at the top of this function. Parameters + // without names can only come from JSDocFunctionTypes. + ts.Debug.assert(node.parent.kind === 264 /* JSDocFunctionType */); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "p" + index; + } + } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + } + /** + * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. + * @param symbolTable - The symbol table which node will be added to. + * @param parent - node's parent declaration. + * @param node - The declaration to be added to the symbol table + * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) + * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. + */ + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = node.flags & 512 /* Default */; + // The exported symbol for an export default function/class node is always named "default" + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name !== undefined) { + // Check and see if the symbol table already has a symbol with this name. If not, + // create a new symbol with this name and add it to the table. Note that we don't + // give the new symbol any flags *yet*. This ensures that it will not conflict + // with the 'excludes' flags we pass in. + // + // If we do get an existing symbol, see if it conflicts with the new symbol we're + // creating. For example, a 'var' symbol and a 'class' symbol will conflict within + // the same symbol table. If we have a conflict, report the issue on each + // declaration we have for this symbol, and then create a new symbol for this + // declaration. + // + // If we created a new symbol, either because we didn't have a symbol with this name + // in the symbol table, or we conflicted with an existing symbol, then just add this + // node as the sole declaration of the new symbol. + // + // Otherwise, we'll be merging into a compatible existing symbol (for example when + // you have multiple 'vars' with the same name in the same container). In this case + // just add this node into the declarations list of the symbol. + symbol = ts.hasProperty(symbolTable, name) + ? symbolTable[name] + : (symbolTable[name] = createSymbol(0 /* None */, name)); + if (name && (includes & 788448 /* Classifiable */)) { + classifiableNames[name] = name; + } + if (symbol.flags & excludes) { + if (node.name) { + node.name.parent = node; + } + // Report errors every position with duplicate declaration + // Report errors on previous encountered declarations + var message_1 = symbol.flags & 2 /* BlockScopedVariable */ + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.flags & 512 /* Default */) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + }); + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0 /* None */, name); + } + } + else { + symbol = createSymbol(0 /* None */, "__missing"); + } + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; + } + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; + if (symbolFlags & 8388608 /* Alias */) { + if (node.kind === 233 /* ExportSpecifier */ || (node.kind === 224 /* ImportEqualsDeclaration */ && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + else { + // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, + // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set + // on it. There are 2 main reasons: + // + // 1. We treat locals and exports of the same name as mutually exclusive within a container. + // That means the binder will issue a Duplicate Identifier error if you mix locals and exports + // with the same name in the same container. + // TODO: Make this a more specific error and decouple it from the exclusion logic. + // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, + // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way + // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. + // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge + // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation + // and this case is specially handled. Module augmentations should only be merged with original module definition + // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. + if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072 /* ExportContext */)) { + var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | + (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | + (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + } + // All container nodes are kept on a linked list in declaration order. This list is used by + // the getLocalNameOfContainer function in the type checker to validate that the local name + // used for a container is unique. + function bindChildren(node) { + // Before we recurse into a node's chilren, we first save the existing parent, container + // and block-container. Then after we pop out of processing the children, we restore + // these saved values. + var saveParent = parent; + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + // This node will now be set as the parent of all of its children as we recurse into them. + parent = node; + // Depending on what kind of node this is, we may have to adjust the current container + // and block-container. If the current node is a container, then it is automatically + // considered the current block-container as well. Also, for containers that we know + // may contain locals, we proactively initialize the .locals field. We do this because + // it's highly likely that the .locals will be needed to place some child in (for example, + // a parameter, or variable declaration). + // + // However, we do not proactively create the .locals for block-containers because it's + // totally normal and common for block-containers to never actually have a block-scoped + // variable in them. We don't want to end up allocating an object for every 'block' we + // run into when most of them won't be necessary. + // + // Finally, if this is a block-container, then we clear out any existing .locals object + // it may contain within it. This happens in incremental scenarios. Because we can be + // reusing a node from a previous compilation, that node may have had 'locals' created + // for it. We must clear this so we don't accidently move any stale data forward from + // a previous compilation. + var containerFlags = getContainerFlags(node); + if (containerFlags & 1 /* IsContainer */) { + container = blockScopeContainer = node; + if (containerFlags & 4 /* HasLocals */) { + container.locals = {}; + } + addToContainerChain(container); + } + else if (containerFlags & 2 /* IsBlockScopedContainer */) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; + } + var savedReachabilityState; + var savedLabelStack; + var savedLabels; + var savedImplicitLabels; + var savedHasExplicitReturn; + var kind = node.kind; + var flags = node.flags; + // reset all reachability check related flags on node (for incremental scenarios) + flags &= ~1572864 /* ReachabilityCheckFlags */; + // reset all emit helper flags on node (for incremental scenarios) + flags &= ~62914560 /* EmitHelperFlags */; + if (kind === 218 /* InterfaceDeclaration */) { + seenThisKeyword = false; + } + var saveState = kind === 251 /* SourceFile */ || kind === 222 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); + if (saveState) { + savedReachabilityState = currentReachabilityState; + savedLabelStack = labelStack; + savedLabels = labelIndexMap; + savedImplicitLabels = implicitLabels; + savedHasExplicitReturn = hasExplicitReturn; + currentReachabilityState = 2 /* Reachable */; + hasExplicitReturn = false; + labelStack = labelIndexMap = implicitLabels = undefined; + } + if (ts.isInJavaScriptFile(node) && node.jsDocComment) { + bind(node.jsDocComment); + } + bindReachableStatement(node); + if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { + flags |= 524288 /* HasImplicitReturn */; + if (hasExplicitReturn) { + flags |= 1048576 /* HasExplicitReturn */; + } + } + if (kind === 218 /* InterfaceDeclaration */) { + flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; + } + if (kind === 251 /* SourceFile */) { + if (hasClassExtends) { + flags |= 4194304 /* HasClassExtends */; + } + if (hasDecorators) { + flags |= 8388608 /* HasDecorators */; + } + if (hasParameterDecorators) { + flags |= 16777216 /* HasParamDecorators */; + } + if (hasAsyncFunctions) { + flags |= 33554432 /* HasAsyncFunctions */; + } + } + node.flags = flags; + if (saveState) { + hasExplicitReturn = savedHasExplicitReturn; + currentReachabilityState = savedReachabilityState; + labelStack = savedLabelStack; + labelIndexMap = savedLabels; + implicitLabels = savedImplicitLabels; + } + container = saveContainer; + parent = saveParent; + blockScopeContainer = savedBlockScopeContainer; + } + /** + * Returns true if node and its subnodes were successfully traversed. + * Returning false means that node was not examined and caller needs to dive into the node himself. + */ + function bindReachableStatement(node) { + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; + } + switch (node.kind) { + case 201 /* WhileStatement */: + bindWhileStatement(node); + break; + case 200 /* DoStatement */: + bindDoStatement(node); + break; + case 202 /* ForStatement */: + bindForStatement(node); + break; + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + bindForInOrForOfStatement(node); + break; + case 199 /* IfStatement */: + bindIfStatement(node); + break; + case 207 /* ReturnStatement */: + case 211 /* ThrowStatement */: + bindReturnOrThrow(node); + break; + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + bindBreakOrContinueStatement(node); + break; + case 212 /* TryStatement */: + bindTryStatement(node); + break; + case 209 /* SwitchStatement */: + bindSwitchStatement(node); + break; + case 223 /* CaseBlock */: + bindCaseBlock(node); + break; + case 210 /* LabeledStatement */: + bindLabeledStatement(node); + break; + default: + ts.forEachChild(node, bind); + break; + } + } + function bindWhileStatement(n) { + var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + // bind expressions (don't affect reachability) + bind(n.expression); + currentReachabilityState = preWhileState; + var postWhileLabel = pushImplicitLabel(); + bind(n.statement); + popImplicitLabel(postWhileLabel, postWhileState); + } + function bindDoStatement(n) { + var preDoState = currentReachabilityState; + var postDoLabel = pushImplicitLabel(); + bind(n.statement); + var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; + popImplicitLabel(postDoLabel, postDoState); + // bind expressions (don't affect reachability) + bind(n.expression); + } + function bindForStatement(n) { + var preForState = currentReachabilityState; + var postForLabel = pushImplicitLabel(); + // bind expressions (don't affect reachability) + bind(n.initializer); + bind(n.condition); + bind(n.incrementor); + bind(n.statement); + // for statement is considered infinite when it condition is either omitted or is true keyword + // - for(..;;..) + // - for(..;true;..) + var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); + var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; + popImplicitLabel(postForLabel, postForState); + } + function bindForInOrForOfStatement(n) { + var preStatementState = currentReachabilityState; + var postStatementLabel = pushImplicitLabel(); + // bind expressions (don't affect reachability) + bind(n.initializer); + bind(n.expression); + bind(n.statement); + popImplicitLabel(postStatementLabel, preStatementState); + } + function bindIfStatement(n) { + // denotes reachability state when entering 'thenStatement' part of the if statement: + // i.e. if condition is false then thenStatement is unreachable + var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + // denotes reachability state when entering 'elseStatement': + // i.e. if condition is true then elseStatement is unreachable + var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + currentReachabilityState = ifTrueState; + // bind expression (don't affect reachability) + bind(n.expression); + bind(n.thenStatement); + if (n.elseStatement) { + var preElseState = currentReachabilityState; + currentReachabilityState = ifFalseState; + bind(n.elseStatement); + currentReachabilityState = or(currentReachabilityState, preElseState); + } + else { + currentReachabilityState = or(currentReachabilityState, ifFalseState); + } + } + function bindReturnOrThrow(n) { + // bind expression (don't affect reachability) + bind(n.expression); + if (n.kind === 207 /* ReturnStatement */) { + hasExplicitReturn = true; + } + currentReachabilityState = 4 /* Unreachable */; + } + function bindBreakOrContinueStatement(n) { + // call bind on label (don't affect reachability) + bind(n.label); + // for continue case touch label so it will be marked a used + var isValidJump = jumpToLabel(n.label, n.kind === 206 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); + if (isValidJump) { + currentReachabilityState = 4 /* Unreachable */; + } + } + function bindTryStatement(n) { + // catch\finally blocks has the same reachability as try block + var preTryState = currentReachabilityState; + bind(n.tryBlock); + var postTryState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.catchClause); + var postCatchState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.finallyBlock); + // post catch/finally state is reachable if + // - post try state is reachable - control flow can fall out of try block + // - post catch state is reachable - control flow can fall out of catch block + currentReachabilityState = or(postTryState, postCatchState); + } + function bindSwitchStatement(n) { + var preSwitchState = currentReachabilityState; + var postSwitchLabel = pushImplicitLabel(); + // bind expression (don't affect reachability) + bind(n.expression); + bind(n.caseBlock); + var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245 /* DefaultClause */; }); + // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case + var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; + popImplicitLabel(postSwitchLabel, postSwitchState); + } + function bindCaseBlock(n) { + var startState = currentReachabilityState; + for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + currentReachabilityState = startState; + bind(clause); + if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + } + } + } + function bindLabeledStatement(n) { + // call bind on label (don't affect reachability) + bind(n.label); + var ok = pushNamedLabel(n.label); + bind(n.statement); + if (ok) { + popNamedLabel(n.label, currentReachabilityState); + } + } + function getContainerFlags(node) { + switch (node.kind) { + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 156 /* TypeLiteral */: + case 260 /* JSDocRecordType */: + return 1 /* IsContainer */; + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 216 /* FunctionDeclaration */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 221 /* ModuleDeclaration */: + case 251 /* SourceFile */: + case 219 /* TypeAliasDeclaration */: + return 5 /* IsContainerWithLocals */; + case 247 /* CatchClause */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 223 /* CaseBlock */: + return 2 /* IsBlockScopedContainer */; + case 195 /* Block */: + // do not treat blocks directly inside a function as a block-scoped-container. + // Locals that reside in this block should go to the function locals. Othewise 'x' + // would not appear to be a redeclaration of a block scoped local in the following + // example: + // + // function foo() { + // var x; + // let x; + // } + // + // If we placed 'var x' into the function locals and 'let x' into the locals of + // the block, then there would be no collision. + // + // By not creating a new block-scoped-container here, we ensure that both 'var x' + // and 'let x' go into the Function-container's locals, and we do get a collision + // conflict. + return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; + } + return 0 /* None */; + } + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; + } + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + // Just call this directly so that the return type of this function stays "void". + declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + } + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + // Modules, source files, and classes need specialized handling for how their + // members are declared (for example, a member of a class will go into a specific + // symbol table depending on if it is static or not). We defer to specialized + // handlers to take care of declaring these child members. + case 221 /* ModuleDeclaration */: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 251 /* SourceFile */: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 220 /* EnumDeclaration */: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 156 /* TypeLiteral */: + case 168 /* ObjectLiteralExpression */: + case 218 /* InterfaceDeclaration */: + case 260 /* JSDocRecordType */: + // Interface/Object-types always have their children added to the 'members' of + // their container. They are only accessible through an instance of their + // container, and are never in scope otherwise (even inside the body of the + // object / type / interface declaring them). An exception is type parameters, + // which are in scope without qualification (similar to 'locals'). + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 264 /* JSDocFunctionType */: + case 219 /* TypeAliasDeclaration */: + // All the children of these container types are never visible through another + // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, + // they're only accessed 'lexically' (i.e. from code that exists underneath + // their container in the tree. To accomplish this, we simply add their declared + // symbol to the 'locals' of the container. These symbols can then be found as + // the type checker walks up the containers, checking them for matching names. + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return node.flags & 64 /* Static */ + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 251 /* SourceFile */ ? node : node.body; + if (body.kind === 251 /* SourceFile */ || body.kind === 222 /* ModuleBlock */) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 231 /* ExportDeclaration */ || stat.kind === 230 /* ExportAssignment */) { + return true; + } + } + } + return false; + } + function setExportContextFlag(node) { + // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular + // declarations with export modifiers) is an export context in which declarations are implicitly exported. + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 131072 /* ExportContext */; + } + else { + node.flags &= ~131072 /* ExportContext */; + } + } + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (node.flags & 2 /* Export */) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); + } + declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); + } + else { + var state = getModuleInstanceState(node); + if (state === 0 /* NonInstantiated */) { + declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); + if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { + // if module was already merged with some function, class or non-const enum + // treat is a non-const-enum-only + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; + if (node.symbol.constEnumOnlyModule === undefined) { + // non-merged case - use the current state + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + // merged case: module is const enum only if all its pieces are non-instantiated or const enum + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } + } + } + } + function bindFunctionOrConstructorType(node) { + // For a given function symbol "<...>(...) => T" we want to generate a symbol identical + // to the one we would get for: { <...>(...): T } + // + // We do that by making an anonymous type literal symbol, and then setting the function + // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable + // from an actual type literal symbol you would have gotten had you used the long form. + var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072 /* Signature */); + var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); + typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); + var _a; + } + function bindObjectLiteralExpression(node) { + var ElementKind; + (function (ElementKind) { + ElementKind[ElementKind["Property"] = 1] = "Property"; + ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; + })(ElementKind || (ElementKind = {})); + if (inStrictMode) { + var seen = {}; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 69 /* Identifier */) { + continue; + } + var identifier = prop.name; + // ECMA-262 11.1.5 Object Initialiser + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */ || prop.kind === 144 /* MethodDeclaration */ + ? 1 /* Property */ + : 2 /* Accessor */; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { + var span = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); + } + } + } + return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); + } + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); + } + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 221 /* ModuleDeclaration */: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 251 /* SourceFile */: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + // fall through. + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = {}; + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); + } + // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized + // check for reserved words used as identifiers in strict mode code. + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && + node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && + !ts.isIdentifierName(node)) { + // Report error only if there are no parse errors in file + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } + } + } + function getStrictModeIdentifierMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) + checkStrictModeEvalOrArguments(node, node.left); + } + } + function checkStrictModeCatchClause(node) { + // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the + // Catch production is eval or arguments + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); + } + } + function checkStrictModeDeleteExpression(node) { + // Grammar checking + if (inStrictMode && node.expression.kind === 69 /* Identifier */) { + // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its + // UnaryExpression is a direct reference to a variable, function argument, or function name + var span = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + } + } + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 69 /* Identifier */ && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 69 /* Identifier */) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + // We check first if the name is inside class declaration or class expression; if so give explicit message + // otherwise report generic error message. + var span = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + } + } + } + function getStrictModeEvalOrArgumentsMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; + } + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) + checkStrictModeEvalOrArguments(node, node.name); + } + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.flags & 32768 /* OctalLiteral */) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + } + } + function checkStrictModePostfixUnaryExpression(node) { + // Grammar checking + // The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression + // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + function checkStrictModePrefixUnaryExpression(node) { + // Grammar checking + if (inStrictMode) { + if (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + } + function checkStrictModeWithStatement(node) { + // Grammar checking for withStatement + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + } + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; + } + node.parent = parent; + var savedInStrictMode = inStrictMode; + if (!savedInStrictMode) { + updateStrictMode(node); + } + // First we bind declaration nodes to a symbol if possible. We'll both create a symbol + // and then potentially add the symbol to an appropriate symbol table. Possible + // destination symbol tables are: + // + // 1) The 'exports' table of the current container's symbol. + // 2) The 'members' table of the current container's symbol. + // 3) The 'locals' table of the current container. + // + // However, not all symbols will end up in any of these tables. 'Anonymous' symbols + // (like TypeLiterals for example) will not be put in any table. + bindWorker(node); + // Then we recurse into the children of the node to bind them as well. For certain + // symbols we do specialized work when we recurse. For example, we'll keep track of + // the current 'container' node when it changes. This helps us know which symbol table + // a local should go into for example. + bindChildren(node); + inStrictMode = savedInStrictMode; + } + function updateStrictMode(node) { + switch (node.kind) { + case 251 /* SourceFile */: + case 222 /* ModuleBlock */: + updateStrictModeStatementList(node.statements); + return; + case 195 /* Block */: + if (ts.isFunctionLike(node.parent)) { + updateStrictModeStatementList(node.statements); + } + return; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // All classes are automatically in strict mode in ES6. + inStrictMode = true; + return; + } + } + function updateStrictModeStatementList(statements) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } + } + } + /// Should be called only on prologue directives (isPrologueDirective(node) should be true) + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the + // string to contain unicode escapes (as per ES5). + return nodeText === "\"use strict\"" || nodeText === "'use strict'"; + } + function bindWorker(node) { + switch (node.kind) { + /* Strict mode checks */ + case 69 /* Identifier */: + return checkStrictModeIdentifier(node); + case 184 /* BinaryExpression */: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1 /* ExportsProperty */: + bindExportsPropertyAssignment(node); + break; + case 2 /* ModuleExports */: + bindModuleExportsAssignment(node); + break; + case 3 /* PrototypeProperty */: + bindPrototypePropertyAssignment(node); + break; + case 4 /* ThisProperty */: + bindThisPropertyAssignment(node); + break; + case 0 /* None */: + // Nothing to do + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 247 /* CatchClause */: + return checkStrictModeCatchClause(node); + case 178 /* DeleteExpression */: + return checkStrictModeDeleteExpression(node); + case 8 /* NumericLiteral */: + return checkStrictModeNumericLiteral(node); + case 183 /* PostfixUnaryExpression */: + return checkStrictModePostfixUnaryExpression(node); + case 182 /* PrefixUnaryExpression */: + return checkStrictModePrefixUnaryExpression(node); + case 208 /* WithStatement */: + return checkStrictModeWithStatement(node); + case 162 /* ThisType */: + seenThisKeyword = true; + return; + case 151 /* TypePredicate */: + return checkTypePredicate(node); + case 138 /* TypeParameter */: + return declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 530912 /* TypeParameterExcludes */); + case 139 /* Parameter */: + return bindParameter(node); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return bindVariableDeclarationOrBindingElement(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 261 /* JSDocRecordMember */: + return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), 107455 /* PropertyExcludes */); + case 248 /* PropertyAssignment */: + case 249 /* ShorthandPropertyAssignment */: + return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 107455 /* PropertyExcludes */); + case 250 /* EnumMember */: + return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */); + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + // If this is an ObjectLiteralExpression method, then it sits in the same space + // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes + // so that it will conflict with any other object literal members with the same + // name. + return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */); + case 216 /* FunctionDeclaration */: + return bindFunctionDeclaration(node); + case 145 /* Constructor */: + return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */); + case 146 /* GetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */); + case 147 /* SetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 264 /* JSDocFunctionType */: + return bindFunctionOrConstructorType(node); + case 156 /* TypeLiteral */: + case 260 /* JSDocRecordType */: + return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type"); + case 168 /* ObjectLiteralExpression */: + return bindObjectLiteralExpression(node); + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return bindFunctionExpression(node); + case 171 /* CallExpression */: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + // Members of classes, interfaces, and modules + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + return bindClassLikeDeclaration(node); + case 218 /* InterfaceDeclaration */: + return bindBlockScopedDeclaration(node, 64 /* Interface */, 792960 /* InterfaceExcludes */); + case 219 /* TypeAliasDeclaration */: + return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793056 /* TypeAliasExcludes */); + case 220 /* EnumDeclaration */: + return bindEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return bindModuleDeclaration(node); + // Imports and exports + case 224 /* ImportEqualsDeclaration */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); + case 226 /* ImportClause */: + return bindImportClause(node); + case 231 /* ExportDeclaration */: + return bindExportDeclaration(node); + case 230 /* ExportAssignment */: + return bindExportAssignment(node); + case 251 /* SourceFile */: + return bindSourceFileIfExternalModule(); + } + } + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 69 /* Identifier */) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 162 /* ThisType */) { + seenThisKeyword = true; + } + bind(type); + } + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); + } + } + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\""); + } + function bindExportAssignment(node) { + var boundExpression = node.kind === 230 /* ExportAssignment */ ? node.expression : node.right; + if (!container.symbol || !container.symbol.exports) { + // Export assignment in some sort of block construct + bindAnonymousDeclaration(node, 8388608 /* Alias */, getDeclarationName(node)); + } + else if (boundExpression.kind === 69 /* Identifier */ && node.kind === 230 /* ExportAssignment */) { + // An export default clause with an identifier exports all meanings of that identifier + declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* Alias */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); + } + else { + // An export default clause with an expression exports a value + declareSymbol(container.symbol.exports, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); + } + } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + // Export * in some sort of block construct + bindAnonymousDeclaration(node, 1073741824 /* ExportStar */, getDeclarationName(node)); + } + else if (!node.exportClause) { + // All export * declarations are collected in an __export symbol + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824 /* ExportStar */, 0 /* None */); + } + } + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); + } + } + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + bindSourceFileAsExternalModule(); + } + } + function bindExportsPropertyAssignment(node) { + // When we create a property via 'exports.foo = bar', the 'exports.foo' property access + // expression is the declaration + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 /* Property */ | 7340032 /* Export */, 0 /* None */); + } + function bindModuleExportsAssignment(node) { + // 'module.exports = expr' assignment + setCommonJsModuleIndicator(node); + bindExportAssignment(node); + } + function bindThisPropertyAssignment(node) { + // Declare a 'member' in case it turns out the container was an ES5 class + if (container.kind === 176 /* FunctionExpression */ || container.kind === 216 /* FunctionDeclaration */) { + container.symbol.members = container.symbol.members || {}; + // It's acceptable for multiple 'this' assignments of the same identifier to occur + declareSymbol(container.symbol.members, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ & ~4 /* Property */); + } + } + function bindPrototypePropertyAssignment(node) { + // We saw a node of the form 'x.prototype.y = z'. Declare a 'member' y on x if x was a function. + // Look up the function in the local scope, since prototype assignments should + // follow the function declaration + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + // Fix up parent pointers since we're going to use these nodes before we bind into them + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16 /* Function */)) { + return; + } + // Set up the members collection if it doesn't exist already + if (!funcSymbol.members) { + funcSymbol.members = {}; + } + // Declare the method/property + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4 /* Property */, 107455 /* PropertyExcludes */); + } + function bindCallExpression(node) { + // We're only inspecting call expressions to detect CommonJS modules, so we can skip + // this check if we've already seen the module indicator + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + hasClassExtends = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + if (node.kind === 217 /* ClassDeclaration */) { + bindBlockScopedDeclaration(node, 32 /* Class */, 899519 /* ClassExcludes */); + } + else { + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32 /* Class */, bindingName); + // Add name of class expression into the map for semantic classifier + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } + } + var symbol = node.symbol; + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', the + // type of which is an instantiation of the class type with type Any supplied as a type + // argument for each type parameter. It is an error to explicitly declare a static + // property member with the name 'prototype'. + // + // Note: we check for this here because this class may be merging into a module. The + // module might have an exported variable called 'prototype'. We can't allow that as + // that would clash with the built-in 'prototype' for the class. + var prototypeSymbol = createSymbol(4 /* Property */ | 134217728 /* Prototype */, "prototype"); + if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { + if (node.name) { + node.name.parent = node; + } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */) + : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); + } + else if (ts.isParameterDeclaration(node)) { + // It is safe to walk up parent chain to find whether the node is a destructing parameter declaration + // because its parent chain has already been set up, since parents are set before descending into children. + // + // If node is a binding element in parameter declaration, we need to use ParameterExcludes. + // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration + // For example: + // function foo([a,a]) {} // Duplicate Identifier error + // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter + // // which correctly set excluded symbols + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */); + } + } + } + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + hasDecorators = true; + hasParameterDecorators = true; + } + if (inStrictMode) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a + // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) + checkStrictModeEvalOrArguments(node, node.name); + } + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, getDestructuringParameterName(node)); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); + } + // If this is a property-parameter, then also declare the property symbol into the + // containing class. + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + return declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 106927 /* FunctionExcludes */); + } + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16 /* Function */, bindingName); + } + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + // reachability checks + function pushNamedLabel(name) { + initializeReachabilityStateIfNecessary(); + if (ts.hasProperty(labelIndexMap, name.text)) { + return false; + } + labelIndexMap[name.text] = labelStack.push(1 /* Unintialized */) - 1; + return true; + } + function pushImplicitLabel() { + initializeReachabilityStateIfNecessary(); + var index = labelStack.push(1 /* Unintialized */) - 1; + implicitLabels.push(index); + return index; + } + function popNamedLabel(label, outerState) { + var index = labelIndexMap[label.text]; + ts.Debug.assert(index !== undefined); + ts.Debug.assert(labelStack.length == index + 1); + labelIndexMap[label.text] = undefined; + setCurrentStateAtLabel(labelStack.pop(), outerState, label); + } + function popImplicitLabel(implicitLabelIndex, outerState) { + if (labelStack.length !== implicitLabelIndex + 1) { + ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); + } + var i = implicitLabels.pop(); + if (implicitLabelIndex !== i) { + ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); + } + setCurrentStateAtLabel(labelStack.pop(), outerState, /*name*/ undefined); + } + function setCurrentStateAtLabel(innerMergedState, outerState, label) { + if (innerMergedState === 1 /* Unintialized */) { + if (label && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); + } + currentReachabilityState = outerState; + } + else { + currentReachabilityState = or(innerMergedState, outerState); + } + } + function jumpToLabel(label, outerState) { + initializeReachabilityStateIfNecessary(); + var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); + if (index === undefined) { + // reference to unknown label or + // break/continue used outside of loops + return false; + } + var stateAtLabel = labelStack[index]; + labelStack[index] = stateAtLabel === 1 /* Unintialized */ ? outerState : or(stateAtLabel, outerState); + return true; + } + function checkUnreachable(node) { + switch (currentReachabilityState) { + case 4 /* Unreachable */: + var reportError = + // report error on all statements except empty ones + (ts.isStatement(node) && node.kind !== 197 /* EmptyStatement */) || + // report error on class declarations + node.kind === 217 /* ClassDeclaration */ || + // report error on instantiated modules or const-enums only modules if preserveConstEnums is set + (node.kind === 221 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)) || + // report error on regular enums and const enums if preserveConstEnums is set + (node.kind === 220 /* EnumDeclaration */ && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentReachabilityState = 8 /* ReportedUnreachable */; + // unreachable code is reported if + // - user has explicitly asked about it AND + // - statement is in not ambient context (statements in ambient context is already an error + // so we should not report extras) AND + // - node is not variable statement OR + // - node is block scoped variable statement OR + // - node is not block scoped variable statement and at least one variable declaration has initializer + // Rationale: we don't want to report errors on non-initialized var's since they are hoisted + // On the other side we do want to report errors on non-initialized 'lets' because of TDZ + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 196 /* VariableStatement */ || + ts.getCombinedNodeFlags(node.declarationList) & 24576 /* BlockScoped */ || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + case 8 /* ReportedUnreachable */: + return true; + default: + return false; + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && options.preserveConstEnums); + } + } + function initializeReachabilityStateIfNecessary() { + if (labelIndexMap) { + return; + } + currentReachabilityState = 2 /* Reachable */; + labelIndexMap = {}; + labelStack = []; + implicitLabels = []; + } + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; + } + return node.id; + } + ts.getNodeId = getNodeId; + ts.checkTime = 0; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; + } + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + // Cancellation that controls whether or not we can cancel in the middle of type checking. + // In general cancelling is *not* safe for the type checker. We might be in the middle of + // computing something, and we will leave our internals in an inconsistent state. Callers + // who set the cancellation token should catch if a cancellation exception occurs, and + // should throw away and create a new TypeChecker. + // + // Currently we only support setting the cancellation token when getting diagnostics. This + // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if + // they no longer need the information (for example, if the user started editing again). + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = {}; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0 /* ES3 */; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4 /* System */; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + // The language service will always care about the narrowed type of a symbol, because that is + // the type the language says the symbol should have. + getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var unknownSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "unknown"); + var resolvingSymbol = createSymbol(67108864 /* Transient */, "__resolving__"); + var anyType = createIntrinsicType(1 /* Any */, "any"); + var stringType = createIntrinsicType(2 /* String */, "string"); + var numberType = createIntrinsicType(4 /* Number */, "number"); + var booleanType = createIntrinsicType(8 /* Boolean */, "boolean"); + var esSymbolType = createIntrinsicType(16777216 /* ESSymbol */, "symbol"); + var voidType = createIntrinsicType(16 /* Void */, "void"); + var undefinedType = createIntrinsicType(32 /* Undefined */ | 2097152 /* ContainsUndefinedOrNull */, "undefined"); + var nullType = createIntrinsicType(64 /* Null */ | 2097152 /* ContainsUndefinedOrNull */, "null"); + var unknownType = createIntrinsicType(1 /* Any */, "unknown"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyUnionType = emptyObjectType; + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = {}; + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated + // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. + anyFunctionType.flags |= 8388608 /* ContainsAnyFunctionType */; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); + var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); + var globals = {}; + var globalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var globalTemplateStringsArrayType; + var globalESSymbolType; + var globalIterableType; + var globalIteratorType; + var globalIterableIteratorType; + var anyArrayType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var tupleTypes = {}; + var unionTypes = {}; + var intersectionTypes = {}; + var stringLiteralTypes = {}; + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var primitiveTypeInfo = { + "string": { + type: stringType, + flags: 258 /* StringLike */ + }, + "number": { + type: numberType, + flags: 132 /* NumberLike */ + }, + "boolean": { + type: booleanType, + flags: 8 /* Boolean */ + }, + "symbol": { + type: esSymbolType, + flags: 16777216 /* ESSymbol */ + }, + "undefined": { + type: undefinedType, + flags: 2097152 /* ContainsUndefinedOrNull */ + } + }; + var jsxElementType; + /** Things we lazy load from the JSX namespace */ + var jsxTypes = {}; + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = {}; + var assignableRelation = {}; + var identityRelation = {}; + // This is for caching the result of getSymbolDisplayBuilder. Do not access directly. + var _displayBuilder; + var TypeSystemPropertyName; + (function (TypeSystemPropertyName) { + TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; + TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; + })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); + var builtinGlobals = (_a = {}, + _a[undefinedSymbol.name] = undefinedSymbol, + _a + ); + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + // Ensure we have all the type information in place for this file so that all the + // emitter questions of this resolver will return the right information. + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; + } + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); + } + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2 /* BlockScopedVariable */) + result |= 107455 /* BlockScopedVariableExcludes */; + if (flags & 1 /* FunctionScopedVariable */) + result |= 107454 /* FunctionScopedVariableExcludes */; + if (flags & 4 /* Property */) + result |= 107455 /* PropertyExcludes */; + if (flags & 8 /* EnumMember */) + result |= 107455 /* EnumMemberExcludes */; + if (flags & 16 /* Function */) + result |= 106927 /* FunctionExcludes */; + if (flags & 32 /* Class */) + result |= 899519 /* ClassExcludes */; + if (flags & 64 /* Interface */) + result |= 792960 /* InterfaceExcludes */; + if (flags & 256 /* RegularEnum */) + result |= 899327 /* RegularEnumExcludes */; + if (flags & 128 /* ConstEnum */) + result |= 899967 /* ConstEnumExcludes */; + if (flags & 512 /* ValueModule */) + result |= 106639 /* ValueModuleExcludes */; + if (flags & 8192 /* Method */) + result |= 99263 /* MethodExcludes */; + if (flags & 32768 /* GetAccessor */) + result |= 41919 /* GetAccessorExcludes */; + if (flags & 65536 /* SetAccessor */) + result |= 74687 /* SetAccessorExcludes */; + if (flags & 262144 /* TypeParameter */) + result |= 530912 /* TypeParameterExcludes */; + if (flags & 524288 /* TypeAlias */) + result |= 793056 /* TypeAliasExcludes */; + if (flags & 8388608 /* Alias */) + result |= 8388608 /* AliasExcludes */; + return result; + } + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; + } + mergedSymbols[source.mergeId] = target; + } + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432 /* Merged */, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = cloneSymbolTable(symbol.members); + if (symbol.exports) + result.exports = cloneSymbolTable(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + // reset flag when merging instantiated module into value module that has only const enums + target.constEnumOnlyModule = false; + } + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 221 /* ModuleDeclaration */ && source.valueDeclaration.kind !== 221 /* ModuleDeclaration */))) { + // other kinds of value declarations take precedence over modules + target.valueDeclaration = source.valueDeclaration; + } + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = {}; + mergeSymbolTable(target.members, source.members); + } + if (source.exports) { + if (!target.exports) + target.exports = {}; + mergeSymbolTable(target.exports, source.exports); + } + recordMergedSymbol(target, source); + } + else { + var message_2 = target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */ + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + } + } + function cloneSymbolTable(symbolTable) { + var result = {}; + for (var id in symbolTable) { + if (ts.hasProperty(symbolTable, id)) { + result[id] = symbolTable[id]; + } + } + return result; + } + function mergeSymbolTable(target, source) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (!ts.hasProperty(target, id)) { + target[id] = source[id]; + } + else { + var symbol = target[id]; + if (!(symbol.flags & 33554432 /* Merged */)) { + target[id] = symbol = cloneSymbol(symbol); + } + mergeSymbol(symbol, source[id]); + } + } + } + } + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { + // this is a combined symbol for multiple augmentations within the same file. + // its symbol already has accumulated information for all declarations + // so we need to add it just once - do the work only for first declaration + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + return; + } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); + } + else { + // find a module that about to be augmented + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); + if (!mainModule) { + return; + } + // obtain item referenced by 'export=' + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1536 /* Namespace */) { + // if module symbol has already been merged - it is safe to use it. + // otherwise clone it + mainModule = mainModule.flags & 33554432 /* Merged */ ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); + } + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); + } + } + } + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (ts.hasProperty(target, id)) { + // Error on redeclarations + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); + } + else { + target[id] = source[id]; + } + } + } + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } + } + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864 /* Transient */) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); + } + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); + } + function isGlobalSourceFile(node) { + return node.kind === 251 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); + } + function getSymbol(symbols, name, meaning) { + if (meaning && ts.hasProperty(symbols, name)) { + var symbol = symbols[name]; + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608 /* Alias */) { + var target = resolveAlias(symbol); + // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } + } + // return undefined if we can't find a symbol. + } + /** + * Get symbols that represent parameter-property-declaration as parameter and as property declaration + * @param parameter a parameterDeclaration node + * @param parameterName a name of the parameter to get the symbols for. + * @return a tuple of two symbols + */ + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructoDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455 /* Value */); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455 /* Value */); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; + } + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + } + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { + // nodes are in different files and order cannot be determines + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); + } + if (declaration.pos <= usage.pos) { + // declaration is before usage + // still might be illegal if usage is in the initializer of the variable declaration + return declaration.kind !== 214 /* VariableDeclaration */ || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); + } + // declaration is after usage + // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) + return isUsedInFunctionOrNonStaticProperty(declaration, usage); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + if (declaration.parent.parent.kind === 196 /* VariableStatement */ || + declaration.parent.parent.kind === 202 /* ForStatement */) { + // variable statement/for statement case, + // use site should not be inside variable declaration (initializer of declaration or binding element) + return isSameScopeDescendentOf(usage, declaration, container); + } + else if (declaration.parent.parent.kind === 204 /* ForOfStatement */ || + declaration.parent.parent.kind === 203 /* ForInStatement */) { + // ForIn/ForOf case - use site should not be used in expression part + var expression = declaration.parent.parent.expression; + return isSameScopeDescendentOf(usage, expression, container); + } + } + function isUsedInFunctionOrNonStaticProperty(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 142 /* PropertyDeclaration */ && + (current.parent.flags & 64 /* Static */) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; + } + } + // Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and + // the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with + // the given name can be found. + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + loop: while (location) { + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + // symbol lookup restrictions for function-like declarations + // - Type parameters of a function are in scope in the entire function declaration, including the parameter + // list and return type. However, local types are only in scope in the function body. + // - parameters are only in the scope of function body + // This restriction does not apply to JSDoc comment types because they are parented + // at a higher level than type parameters would normally be + if (meaning & result.flags & 793056 /* Type */ && lastLocation.kind !== 268 /* JSDocComment */) { + useResult = result.flags & 262144 /* TypeParameter */ + ? lastLocation === location.type || + lastLocation.kind === 139 /* Parameter */ || + lastLocation.kind === 138 /* TypeParameter */ + : false; + } + if (meaning & 107455 /* Value */ && result.flags & 1 /* FunctionScopedVariable */) { + // parameters are visible only inside function body, parameter list and return type + // technically for parameter list case here we might mix parameters and variables declared in function, + // however it is detected separately when checking initializers of parameters + // to make sure that they reference no variables declared after them. + useResult = + lastLocation.kind === 139 /* Parameter */ || + (lastLocation === location.type && + result.valueDeclaration.kind === 139 /* Parameter */); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) + break; + case 221 /* ModuleDeclaration */: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 251 /* SourceFile */ || ts.isAmbientModule(location)) { + // It's an external module. First see if the module has an export default and if the local + // name of that export default matches. + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + // Because of module/namespace merging, a module's exports are in scope, + // yet we never want to treat an export specifier as putting a member in scope. + // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope. + // Two things to note about this: + // 1. We have to check this without calling getSymbol. The problem with calling getSymbol + // on an export specifier is that it might find the export specifier itself, and try to + // resolve it as an alias. This will cause the checker to consider the export specifier + // a circular alias reference when it might not be. + // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely* + // an alias. If we used &, we'd be throwing out symbols that have non alias aspects, + // which is not the desired behavior. + if (ts.hasProperty(moduleExports, name) && + moduleExports[name].flags === 8388608 /* Alias */ && + ts.getDeclarationOfKind(moduleExports[name], 233 /* ExportSpecifier */)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931 /* ModuleMember */)) { + break loop; + } + break; + case 220 /* EnumDeclaration */: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) { + break loop; + } + break; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + // TypeScript 1.0 spec (April 2014): 8.4.1 + // Initializer expressions for instance member variables are evaluated in the scope + // of the class constructor body but are not permitted to reference parameters or + // local variables of the constructor. This effectively means that entities from outer scopes + // by the same name as a constructor parameter or local variable are inaccessible + // in initializer expressions for instance member variables. + if (ts.isClassLike(location.parent) && !(location.flags & 64 /* Static */)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455 /* Value */)) { + // Remember the property node, it will be used later to report appropriate error + propertyWithInvalidInitializer = location; + } + } + } + break; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056 /* Type */)) { + if (lastLocation && lastLocation.flags & 64 /* Static */) { + // TypeScript 1.0 spec (April 2014): 3.4.1 + // The scope of a type parameter extends over the entire declaration with which the type + // parameter list is associated, with the exception of static member declarations in classes. + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 189 /* ClassExpression */ && meaning & 32 /* Class */) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + // It is not legal to reference a class's own type parameters from a computed property name that + // belongs to the class. For example: + // + // function foo() { return '' } + // class C { // <-- Class's own type parameter T + // [foo()]() { } // <-- Reference to T from class's own computed property + // } + // + case 137 /* ComputedPropertyName */: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 218 /* InterfaceDeclaration */) { + // A reference to this grandparent's type parameters would be an error + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056 /* Type */)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + if (meaning & 3 /* Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + break; + case 176 /* FunctionExpression */: + if (meaning & 3 /* Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16 /* Function */) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; + } + } + break; + case 140 /* Decorator */: + // Decorators are resolved at the class declaration. Resolving at the parameter + // or member would result in looking up locals in the method. + // + // function y() {} + // class C { + // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. + // } + // + if (location.parent && location.parent.kind === 139 /* Parameter */) { + location = location.parent; + } + // + // function y() {} + // class C { + // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method. + // } + // + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; + } + lastLocation = location; + location = location.parent; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } + } + return undefined; + } + // Perform extra checks only if error reporting was requested + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + // We have a match, but the reference occurred within a property initializer and the identifier also binds + // to a local variable in the constructor where the code will be emitted. + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; + } + // Only check for block-scoped variable if we are looking for the + // name with variable meaning + // For example, + // declare module foo { + // interface bar {} + // } + // const foo/*1*/: foo/*2*/.bar; + // The foo at /*1*/ and /*2*/ will share same symbol with two meaning + // block - scope variable and namespace module. However, only when we + // try to resolve name in /*1*/ which is used in variable position, + // we want to check for block- scoped + if (meaning & 2 /* BlockScopedVariable */) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2 /* BlockScopedVariable */) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } + } + } + return result; + } + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if (!errorLocation || (errorLocation.kind === 69 /* Identifier */ && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { + return false; + } + var container = ts.getThisContainer(errorLocation, /* includeArrowFunctions */ true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + // Check to see if a static member exists. + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + // No static member is present. + // Check if we're in an instance method and look for a relevant instance member. + if (location === container && !(location.flags & 64 /* Static */)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; + } + return false; + } + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2 /* BlockScopedVariable */) !== 0); + // Block-scoped variables cannot be used before their definition + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214 /* VariableDeclaration */), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + } + } + /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached. + * If at any point current node is equal to 'parent' node - return true. + * Return false if 'stopAt' node is reached or isFunctionLike(current) === true. + */ + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; + } + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; + } + } + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 224 /* ImportEqualsDeclaration */) { + return node; + } + while (node && node.kind !== 225 /* ImportDeclaration */) { + node = node.parent; + } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 235 /* ExternalModuleReference */) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + } + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + // This function creates a synthetic symbol that combines the value side of one symbol with the + // type/namespace side of another symbol. Consider this example: + // + // declare module graphics { + // interface Point { + // x: number; + // y: number; + // } + // } + // declare var graphics: { + // Point: new (x: number, y: number) => graphics.Point; + // } + // declare module "graphics" { + // export = graphics; + // } + // + // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point' + // property with the type/namespace side interface 'Point'. + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793056 /* Type */ | 1536 /* Namespace */)) { + return valueSymbol; + } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; + return result; + } + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536 /* Module */) { + var exports = getExportsOfSymbol(symbol); + if (ts.hasProperty(exports, name)) { + return resolveSymbol(exports[name]); + } + } + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3 /* Variable */) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); + } + } + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_9 = specifier.propertyName || specifier.name; + if (name_9.text) { + var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); + var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); + } + return symbol; + } + } + } + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + return getTargetOfImportEqualsDeclaration(node); + case 226 /* ImportClause */: + return getTargetOfImportClause(node); + case 227 /* NamespaceImport */: + return getTargetOfNamespaceImport(node); + case 229 /* ImportSpecifier */: + return getTargetOfImportSpecifier(node); + case 233 /* ExportSpecifier */: + return getTargetOfExportSpecifier(node); + case 230 /* ExportAssignment */: + return getTargetOfExportAssignment(node); + } + } + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 /* Alias */ && !(symbol.flags & (107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */)) ? resolveAlias(symbol) : symbol; + } + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608 /* Alias */) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; + } + else { + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); + } + } + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; + } + return links.target; + } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || + (target !== unknownSymbol && (target.flags & 107455 /* Value */) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); + } + } + } + // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until + // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of + // the alias as an expression (which recursively takes us back here if the target references another alias). + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + if (node.kind === 230 /* ExportAssignment */) { + // export default + checkExpressionCached(node.expression); + } + else if (node.kind === 233 /* ExportSpecifier */) { + // export { } or export { as foo } + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + // import foo = + checkExpressionCached(node.moduleReference); + } + } + } + // This function is only for imports with entity names + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { + if (!importDeclaration) { + importDeclaration = ts.getAncestor(entityName, 224 /* ImportEqualsDeclaration */); + ts.Debug.assert(importDeclaration !== undefined); + } + // There are three things we might try to look for. In the following examples, + // the search term is enclosed in |...|: + // + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + if (entityName.kind === 69 /* Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + // Check for case 1 and 3 in the above example + if (entityName.kind === 69 /* Identifier */ || entityName.parent.kind === 136 /* QualifiedName */) { + return resolveEntityName(entityName, 1536 /* Namespace */); + } + else { + // Case 2 in above example + // entityName.kind could be a QualifiedName or a Missing identifier + ts.Debug.assert(entityName.parent.kind === 224 /* ImportEqualsDeclaration */); + return resolveEntityName(entityName, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + // Resolves a qualified name and any involved aliases + function resolveEntityName(name, meaning, ignoreErrors) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 69 /* Identifier */) { + var message = meaning === 1536 /* Namespace */ ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; + } + } + else if (name.kind === 136 /* QualifiedName */ || name.kind === 169 /* PropertyAccessExpression */) { + var left = name.kind === 136 /* QualifiedName */ ? name.left : name.expression; + var right = name.kind === 136 /* QualifiedName */ ? name.right : name.name; + var namespace = resolveEntityName(left, 1536 /* Namespace */, ignoreErrors); + if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { + return undefined; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } + } + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); + return symbol.flags & meaning ? symbol : resolveAlias(symbol); + } + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9 /* StringLiteral */) { + return; + } + var moduleReferenceLiteral = moduleReferenceExpression; + // Module names are escaped in our symbol table. However, string literal values aren't. + // Escape the name in the "require(...)" clause to ensure we find the right symbol. + var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); + if (moduleName === undefined) { + return; + } + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512 /* ValueModule */); + if (symbol) { + // merged symbol is module declaration symbol combined with all augmentations + return getMergedSymbol(symbol); + } + } + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + // merged symbol is module declaration symbol combined with all augmentations + return getMergedSymbol(sourceFile.symbol); + } + if (moduleNotFoundError) { + // report errors only if it was requested + error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); + } + return undefined; + } + if (moduleNotFoundError) { + // report errors only if it was requested + error(moduleReferenceLiteral, moduleNotFoundError, moduleName); + } + return undefined; + } + // An external module with an 'export =' declaration resolves to the target of the 'export =' declaration, + // and an external module with no 'export =' declaration resolves to the module itself. + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export =' + // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may + // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable). + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 /* Module */ | 3 /* Variable */))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 /* Module */ ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + /** + * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument + * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables + */ + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !ts.hasProperty(target, id)) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; + } + } + else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; + } + else { + lookupTable[id].exportsWithDuplicate.push(exportNode); + } + } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + return visit(moduleSymbol) || moduleSymbol.exports; + // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example, + // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error. + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 /* HasExports */ && !ts.contains(visitedSymbols, symbol))) { + return; + } + visitedSymbols.push(symbol); + var symbols = cloneSymbolTable(symbol.exports); + // All export * declarations are collected in an __export symbol by the binder + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = {}; + var lookupTable = {}; + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); + } + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); + } + } + extendExportSymbols(symbols, nestedSymbols); + } + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576 /* ExportValue */) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + // If it is an instantiated symbol, then it is a value if the symbol it is an + // instantiation of is a value. + if (symbol.flags & 16777216 /* Instantiated */) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + // If the symbol has the value flag, it is trivially a value. + if (symbol.flags & 107455 /* Value */) { + return true; + } + // If it is an alias, then it is a value if the symbol it resolves to is a value. + if (symbol.flags & 8388608 /* Alias */) { + return (resolveAlias(symbol).flags & 107455 /* Value */) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 145 /* Constructor */ && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + result.id = typeCount; + typeCount++; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createObjectType(kind, symbol) { + var type = createType(kind); + type.symbol = symbol; + return type; + } + // A reserved member name starts with two underscores, but the third character cannot be an underscore + // or the @ symbol. A third underscore indicates an escaped form of an identifer that started + // with at least two underscores. The @ character indicates that the name is denoted by a well known ES + // Symbol instance. + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 /* _ */ && + name.charCodeAt(1) === 95 /* _ */ && + name.charCodeAt(2) !== 95 /* _ */ && + name.charCodeAt(2) !== 64 /* at */; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (ts.hasProperty(members, id)) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); + } + } + } + } + return result || emptyArray; + } + function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexType) + type.stringIndexType = stringIndexType; + if (numberIndexType) + type.numberIndexType = numberIndexType; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + return setObjectTypeMembers(createObjectType(65536 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; + } + } + switch (location_1.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 221 /* ModuleDeclaration */: + if (result = callback(getSymbolOfNode(location_1).exports)) { + return result; + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + if (result = callback(getSymbolOfNode(location_1).members)) { + return result; + } + break; + } + } + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + // If we are looking in value space, the parent meaning is value, other wise it is namespace + return rightMeaning === 107455 /* Value */ ? 107455 /* Value */ : 1536 /* Namespace */; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { + return true; + } + // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; + } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table) + // and if symbolfrom symbolTable or alias resolution matches the symbol, + // check the symbol can be qualified, it is only then this symbol is accessible + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); + } + } + // If symbol is directly available by its name in the symbol table + if (isAccessible(ts.lookUp(symbols, symbol.name))) { + return [symbol]; + } + // Check if symbol is any of the alias + return ts.forEachValue(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 /* Alias */ + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) { + if (!useOnlyExternalAliasing || + // Is this external alias, then use it to name + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain + // but only if the symbolFromSymbolTable can be qualified + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); + } + } + } + }); + } + if (symbol) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); + } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + // If symbol of this name is not available in the symbol table we are ok + if (!ts.hasProperty(symbolTable, symbol.name)) { + // Continue to the next symbol table + return false; + } + // If the symbol with this name is present it should refer to the symbol + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (symbolFromSymbolTable === symbol) { + // No need to qualify + return true; + } + // Qualify if the symbol from symbol table has same meaning as expected + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 /* Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; + } + // Continue to the next symbol table + return false; + }); + return qualify; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144 /* TypeParameter */)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + // Symbol is accessible if it by itself is accessible + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, /*useOnlyExternalAliasing*/ false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1 /* NotAccessible */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536 /* Namespace */) : undefined + }; + } + return hasAccessibleDeclarations; + } + // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible. + // It could be a qualified symbol and hence verify the path + // e.g.: + // module m { + // export class c { + // } + // } + // const x: typeof m.c + // In the above example when we start with checking if typeof m.c symbol is accessible, + // we are going to see if c can be accessed in scope directly. + // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible + // It is accessible if the parent m is accessible because then m.c can be accessed through qualification + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); + } + // This could be a symbol that is not exported in the external module + // or it could be a symbol from different external module that is not aliased and hence cannot be named + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + // name from different external module that is not visible + return { + accessibility: 2 /* CannotBeNamed */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; + } + } + // Just a local name that is not accessible + return { + accessibility: 1 /* NotAccessible */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) + }; + } + return { accessibility: 0 /* Accessible */ }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); + } + } + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + // Mark the unexported alias as visible if its parent is visible + // because these kind of aliases can be used to name types in declaration file + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(anyImportSyntax.flags & 2 /* Export */) && + isDeclarationVisible(anyImportSyntax.parent)) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); + } + } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } + return true; + } + // Declaration is not visible + return false; + } + return true; + } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + // get symbol of the first identifier of the entityName + var meaning; + if (entityName.parent.kind === 155 /* TypeQuery */) { + // Typeof value + meaning = 107455 /* Value */ | 1048576 /* ExportValue */; + } + else if (entityName.kind === 136 /* QualifiedName */ || entityName.kind === 169 /* PropertyAccessExpression */ || + entityName.parent.kind === 224 /* ImportEqualsDeclaration */) { + // Left identifier from type reference or TypeAlias + // Entity name of the import declaration + meaning = 1536 /* Namespace */; + } + else { + // Type Reference or TypeAlias entity = Identifier + meaning = 793056 /* Type */; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); + // Verify if the symbol is accessible + return (symbol && hasVisibleDeclarations(symbol)) || { + accessibility: 1 /* NotAccessible */, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 /* NoTruncation */ ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 161 /* ParenthesizedType */) { + node = node.parent; + } + if (node.kind === 219 /* TypeAliasDeclaration */) { + return getSymbolOfNode(node); + } + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 222 /* ModuleBlock */ && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); + } + switch (declaration.kind) { + case 189 /* ClassExpression */: + return "(Anonymous class)"; + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return "(Anonymous function)"; + } + } + return symbol.name; + } + /** + * Writes only the name of the symbol out to the writer. Uses the original source text + * for the name of the symbol if it is available to match how the user inputted the name. + */ + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + /** + * Enclosing declaration is optional when we don't want to get qualified name in the enclosing declaration scope + * Meaning needs to be specified if the enclosing declaration is given + */ + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + // Write type arguments of instantiated class/interface here + if (flags & 1 /* WriteTypeParametersOrArguments */) { + if (symbol.flags & 16777216 /* Instantiated */) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } + } + writePunctuation(writer, 21 /* DotToken */); + } + parentSymbol = symbol; + appendSymbolNameOnly(symbol, writer); + } + // const the writer know we just wrote out a symbol. The declaration emitter writer uses + // this to determine if an import it has previously seen (and not written out) needs + // to be written to the file once the walk of the tree is complete. + // + // NOTE(cyrusn): This approach feels somewhat unfortunate. A simple pass over the tree + // up front (for example, during checking) could determine if we need to emit the imports + // and we could then access that data during declaration emit. + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning) { + if (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2 /* UseOnlyExternalAliasing */)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + // Go up and add our parent. + walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); + } + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } + } + else { + // If we didn't find accessible symbol chain for this symbol, break if this is external module + if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { + return; + } + // if this is anonymous type break + if (symbol.flags & 2048 /* TypeLiteral */ || symbol.flags & 4096 /* ObjectLiteral */) { + return; + } + appendParentTypeArgumentsAndSymbolName(symbol); + } + } + } + // Get qualified name if the symbol is not a type parameter + // and there is an enclosing declaration or we specifically + // asked for it + var isTypeParameter = symbol.flags & 262144 /* TypeParameter */; + var typeFormatFlag = 128 /* UseFullyQualifiedType */ & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning); + return; + } + return appendParentTypeArgumentsAndSymbolName(symbol); + } + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16 /* WriteOwnNameForAnyLike */; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + // Write undefined/null type as any + if (type.flags & 16777343 /* Intrinsic */) { + // Special handling for unknown / resolving types, they should show up as any and not unknown or __resolving + writer.writeKeyword(!(globalFlags & 16 /* WriteOwnNameForAnyLike */) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 33554432 /* ThisType */) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); + } + writer.writeKeyword("this"); + } + else if (type.flags & 4096 /* Reference */) { + writeTypeReference(type, flags); + } + else if (type.flags & (1024 /* Class */ | 2048 /* Interface */ | 128 /* Enum */ | 512 /* TypeParameter */)) { + // The specified symbol flags need to be reinterpreted as type flags + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + else if (type.flags & 8192 /* Tuple */) { + writeTupleType(type); + } + else if (type.flags & 49152 /* UnionOrIntersection */) { + writeUnionOrIntersectionType(type, flags); + } + else if (type.flags & 65536 /* Anonymous */) { + writeAnonymousType(type, flags); + } + else if (type.flags & 256 /* StringLiteral */) { + writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); + } + else { + // Should never get here + // { ... } + writePunctuation(writer, 15 /* OpenBraceToken */); + writeSpace(writer); + writePunctuation(writer, 22 /* DotDotDotToken */); + writeSpace(writer); + writePunctuation(writer, 16 /* CloseBraceToken */); + } + } + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 24 /* CommaToken */) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 24 /* CommaToken */ ? 0 /* None */ : 64 /* InElementType */); + } + } + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + // Unnamed function expressions and arrow functions have reserved names that we don't want to display + if (symbol.flags & 32 /* Class */ || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + if (pos < end) { + writePunctuation(writer, 25 /* LessThanToken */); + writeType(typeArguments[pos], 0 /* None */); + pos++; + while (pos < end) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + writeType(typeArguments[pos], 0 /* None */); + pos++; + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1 /* WriteArrayAsGenericType */)) { + writeType(typeArguments[0], 64 /* InElementType */); + writePunctuation(writer, 19 /* OpenBracketToken */); + writePunctuation(writer, 20 /* CloseBracketToken */); + } + else { + // Write the type reference in the format f.g.C where A and B are type arguments + // for outer type parameters, and f and g are the respective declaring containers of those + // type parameters. + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + // Find group of type arguments for type parameters with the same declaring container. + var start = i; + var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); + // When type parameters are their own type arguments for the whole group (i.e. we have + // the default outer type arguments), we don't show the group. + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); + writePunctuation(writer, 21 /* DotToken */); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } + } + function writeTupleType(type) { + writePunctuation(writer, 19 /* OpenBracketToken */); + writeTypeList(type.elementTypes, 24 /* CommaToken */); + writePunctuation(writer, 20 /* CloseBracketToken */); + } + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + writeTypeList(type.types, type.flags & 16384 /* Union */ ? 47 /* BarToken */ : 46 /* AmpersandToken */); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + } + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + // Always use 'typeof T' for type of class, enum, and module objects + if (symbol.flags & (32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { + writeTypeofSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeofSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + // If type is an anonymous type literal in a type alias declaration, use type alias name + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + // The specified symbol flags need to be reinterpreted as type flags + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + else { + // Recursive usage, use any + writeKeyword(writer, 117 /* AnyKeyword */); + } + } + else { + // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead + // of types allows us to catch circular references to instantiations of the same anonymous type + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + // Anonymous types with no symbol are never circular + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 /* Method */ && + ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64 /* Static */; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* Function */) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 251 /* SourceFile */ || declaration.parent.kind === 222 /* ModuleBlock */; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + // typeof is allowed only for static/non local functions + return !!(flags & 2 /* UseTypeOfFunction */) || + (ts.contains(symbolStack, symbol)); // it is type of the symbol uses itself recursively + } + } + } + function writeTypeofSymbol(type, typeFormatFlags) { + writeKeyword(writer, 101 /* TypeOfKeyword */); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455 /* Value */, 0 /* None */, typeFormatFlags); + } + function getIndexerParameterName(type, indexKind, fallbackName) { + var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); + if (!declaration) { + // declaration might not be found if indexer was added from the contextual type. + // in this case use fallback name + return fallbackName; + } + ts.Debug.assert(declaration.parameters.length !== 0); + return ts.declarationNameToString(declaration.parameters[0].name); + } + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 15 /* OpenBraceToken */); + writePunctuation(writer, 16 /* CloseBraceToken */); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + writeKeyword(writer, 92 /* NewKeyword */); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 15 /* OpenBraceToken */); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1 /* Construct */, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + if (resolved.stringIndexType) { + // [x: string]: + writePunctuation(writer, 19 /* OpenBracketToken */); + writer.writeParameter(getIndexerParameterName(resolved, 0 /* String */, /*fallbackName*/ "x")); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeKeyword(writer, 130 /* StringKeyword */); + writePunctuation(writer, 20 /* CloseBracketToken */); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(resolved.stringIndexType, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + if (resolved.numberIndexType) { + // [x: number]: + writePunctuation(writer, 19 /* OpenBracketToken */); + writer.writeParameter(getIndexerParameterName(resolved, 1 /* Number */, /*fallbackName*/ "x")); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeKeyword(writer, 128 /* NumberKeyword */); + writePunctuation(writer, 20 /* CloseBracketToken */); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(resolved.numberIndexType, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0 /* Call */); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + buildSymbolDisplay(p, writer); + if (p.flags & 536870912 /* Optional */) { + writePunctuation(writer, 53 /* QuestionToken */); + } + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + } + else { + buildSymbolDisplay(p, writer); + if (p.flags & 536870912 /* Optional */) { + writePunctuation(writer, 53 /* QuestionToken */); + } + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(t, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 16 /* CloseBraceToken */); + inObjectTypeLiteral = saveInObjectTypeLiteral; + } + } + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 /* Class */ || targetSymbol.flags & 64 /* Interface */ || targetSymbol.flags & 524288 /* TypeAlias */) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } + } + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 83 /* ExtendsKeyword */); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 22 /* DotDotDotToken */); + } + appendSymbolNameOnly(p, writer); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 53 /* QuestionToken */); + } + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + } + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25 /* LessThanToken */); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25 /* LessThanToken */); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0 /* None */); + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 17 /* OpenParenToken */); + for (var i = 0; i < parameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 18 /* CloseParenToken */); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); + } + else { + writeKeyword(writer, 97 /* ThisKeyword */); + } + writeSpace(writer); + writeKeyword(writer, 124 /* IsKeyword */); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); + } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8 /* WriteArrowStyleSignature */) { + writeSpace(writer); + writePunctuation(writer, 34 /* EqualsGreaterThanToken */); + } + else { + writePunctuation(writer, 54 /* ColonToken */); + } + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); + } + else { + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1 /* Construct */) { + writeKeyword(writer, 92 /* NewKeyword */); + writeSpace(writer); + } + if (signature.target && (flags & 32 /* WriteTypeArgumentsOfSignature */)) { + // Instantiated signature, write type arguments instead + // This is achieved by passing in the mapper separately + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + } + buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); + } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); + } + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); + } + return links.isVisible; + } + return false; + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 166 /* BindingElement */: + return isDeclarationVisible(node.parent.parent); + case 214 /* VariableDeclaration */: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + // If the binding pattern is empty, this variable declaration is not visible + return false; + } + // Otherwise fall through + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 216 /* FunctionDeclaration */: + case 220 /* EnumDeclaration */: + case 224 /* ImportEqualsDeclaration */: + // external module augmentation is always visible + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_5 = getDeclarationContainer(node); + // If the node is not exported or it is not ambient module element (except import declaration) + if (!(ts.getCombinedNodeFlags(node) & 2 /* Export */) && + !(node.kind !== 224 /* ImportEqualsDeclaration */ && parent_5.kind !== 251 /* SourceFile */ && ts.isInAmbientContext(parent_5))) { + return isGlobalSourceFile(parent_5); + } + // Exported members/ambient module elements (exception import declaration) are visible if parent is visible + return isDeclarationVisible(parent_5); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.flags & (16 /* Private */ | 32 /* Protected */)) { + // Private/protected properties/methods are not visible + return false; + } + // Public properties/methods are visible if its parents are visible, so const it fall into next case statement + case 145 /* Constructor */: + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 150 /* IndexSignature */: + case 139 /* Parameter */: + case 222 /* ModuleBlock */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 156 /* TypeLiteral */: + case 152 /* TypeReference */: + case 157 /* ArrayType */: + case 158 /* TupleType */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + case 161 /* ParenthesizedType */: + return isDeclarationVisible(node.parent); + // Default binding, import specifier and namespace import is visible + // only on demand so by default it is not visible + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + return false; + // Type parameters are always visible + case 138 /* TypeParameter */: + // Source file is always visible + case 251 /* SourceFile */: + return true; + // Export assignments do not create name bindings outside the module + case 230 /* ExportAssignment */: + return false; + default: + ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); + } + } + } + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 230 /* ExportAssignment */) { + exportSymbol = resolveName(node.parent, node.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 233 /* ExportSpecifier */) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + // Add the referenced top container visible + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); + } + } + }); + } + } + /** + * Push an entry on the type resolution stack. If an entry with the given target and the given property name + * is already on the stack, and no entries in between already have a type, then a circularity has occurred. + * In this case, the result values of the existing entry and all entries pushed after it are changed to false, + * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned. + * In order to see if the same query has already been done before, the target object and the propertyName both + * must match the one passed in. + * + * @param target The symbol, type, or signature whose type is being queried + * @param propertyName The property name that should be used to query the target for its type + */ + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + // A cycle was found + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; + } + return false; + } + resolutionTargets.push(target); + resolutionResults.push(/*items*/ true); + resolutionPropertyNames.push(propertyName); + return true; + } + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } + } + return -1; + } + function hasType(target, propertyName) { + if (propertyName === 0 /* Type */) { + return getSymbolLinks(target).type; + } + if (propertyName === 2 /* DeclaredType */) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1 /* ResolvedBaseConstructorType */) { + ts.Debug.assert(!!(target.flags & 1024 /* Class */)); + return target.resolvedBaseConstructorType; + } + if (propertyName === 3 /* ResolvedReturnType */) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + } + // Pop an entry from the type resolution stack and return its associated result value. The result value will + // be true if no circularities were detected, or false if a circularity was found. + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); + while (node) { + switch (node.kind) { + case 214 /* VariableDeclaration */: + case 215 /* VariableDeclarationList */: + case 229 /* ImportSpecifier */: + case 228 /* NamedImports */: + case 227 /* NamespaceImport */: + case 226 /* ImportClause */: + node = node.parent; + break; + default: + return node.parent; + } + } + } + function getTypeOfPrototypeProperty(prototype) { + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', + // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter. + // It is an error to explicitly declare a static property member with the name 'prototype'. + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + } + // Return the type of the given property in the given type, or undefined if no such property exists + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; + } + function isTypeAny(type) { + return type && (type.flags & 1 /* Any */) !== 0; + } + // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been + // assigned by contextual typing. + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); + } + function getTextOfPropertyName(name) { + switch (name.kind) { + case 69 /* Identifier */: + return name.text; + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + return name.text; + case 137 /* ComputedPropertyName */: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } + } + return undefined; + } + function isComputedNonLiteralName(name) { + return name.kind === 137 /* ComputedPropertyName */ && !ts.isStringOrNumericLiteral(name.expression.kind); + } + // Return the inferred type for a binding element + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + // If parent has the unknown (error) type, then so does this binding element + if (parentType === unknownType) { + return unknownType; + } + // If no type was specified or inferred for parent, or if the specified or inferred type is any, + // infer from the initializer of the binding element if one is present. Otherwise, go with the + // undefined or any type of the parent. + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + return parentType; + } + var type; + if (pattern.kind === 164 /* ObjectBindingPattern */) { + // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form) + var name_10 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_10)) { + // computed properties with non-literal names are treated as 'any' + return anyType; + } + // Use type of the specified property, or otherwise, for a numeric name, the type of the numeric index signature, + // or otherwise the type of the string index signature. + var text = getTextOfPropertyName(name_10); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1 /* Number */) || + getIndexTypeOfType(parentType, 0 /* String */); + if (!type) { + error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); + return unknownType; + } + } + else { + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var elementType = checkIteratedTypeOrElementType(parentType, pattern, /*allowStringInput*/ false); + if (!declaration.dotDotDotToken) { + // Use specific property type when parent is a tuple or numeric index type when parent is an array + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; + } + } + else { + // Rest element has an array type with the same element type as the parent type + type = createArrayType(elementType); + } + } + return type; + } + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); + } + } + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + // First, see if this node has an @type annotation on it directly. + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; + } + if (declaration.kind === 214 /* VariableDeclaration */ && + declaration.parent.kind === 215 /* VariableDeclarationList */ && + declaration.parent.parent.kind === 196 /* VariableStatement */) { + // @type annotation might have been on the variable statement, try that instead. + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; + } + } + else if (declaration.kind === 139 /* Parameter */) { + // If it's a parameter, see if the parent has a jsdoc comment with an @param + // annotation. + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; + } + } + return undefined; + } + // Return the inferred type for a variable, parameter, or property declaration + function getTypeForVariableLikeDeclaration(declaration) { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + // If this is a variable in a JavaScript file, then use the JSDoc type (if it has + // one as its type), otherwise fallback to the below standard TS codepaths to + // try to figure it out. + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } + } + // A variable declared in a for..in statement is always of type string + if (declaration.parent.parent.kind === 203 /* ForInStatement */) { + return stringType; + } + if (declaration.parent.parent.kind === 204 /* ForOfStatement */) { + // checkRightHandSideOfForOf will return undefined if the for-of expression type was + // missing properties/signatures required to get its iteratedType (like + // [Symbol.iterator] or next). This may be because we accessed properties from anyType, + // or it may have led to an error inside getElementTypeOfIterable. + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + } + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); + } + // Use type from type annotation if one is present + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139 /* Parameter */) { + var func = declaration.parent; + // For a parameter of a set accessor, use the type of the get accessor if one is present + if (func.kind === 147 /* SetAccessor */ && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146 /* GetAccessor */); + if (getter) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); + } + } + // Use contextual parameter type if one is available + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + // Use the type of the initializer expression if one is present + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + // If it is a short-hand property assignment, use the type of the identifier + if (declaration.kind === 249 /* ShorthandPropertyAssignment */) { + return checkIdentifier(declaration.name); + } + // If the declaration specifies a binding pattern, use the type implied by the binding pattern + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false); + } + // No type specified and nothing can be inferred + return undefined; + } + // Return the type implied by a binding pattern element. This is the type of the initializer of the element if + // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding + // pattern. Otherwise, it is the type any. + function getTypeFromBindingElement(element, includePatternInType) { + if (element.initializer) { + return getWidenedType(checkExpressionCached(element.initializer)); + } + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType); + } + return anyType; + } + // Return the type implied by an object binding pattern + function getTypeFromObjectBindingPattern(pattern, includePatternInType) { + var members = {}; + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + // do not include computed properties in the implied type + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 /* Property */ | 67108864 /* Transient */ | (e.initializer ? 536870912 /* Optional */ : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; + } + if (hasComputedProperties) { + result.flags |= 67108864 /* ObjectLiteralPatternWithComputedProperties */; + } + return result; + } + // Return the type implied by an array binding pattern + function getTypeFromArrayBindingPattern(pattern, includePatternInType) { + var elements = pattern.elements; + if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { + return languageVersion >= 2 /* ES6 */ ? createIterableType(anyType) : anyArrayType; + } + // If the pattern has at least one element, and no rest element, then it should imply a tuple type. + var elementTypes = ts.map(elements, function (e) { return e.kind === 190 /* OmittedExpression */ ? anyType : getTypeFromBindingElement(e, includePatternInType); }); + if (includePatternInType) { + var result = createNewTupleType(elementTypes); + result.pattern = pattern; + return result; + } + return createTupleType(elementTypes); + } + // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself + // and without regard to its context (i.e. without regard any type annotation or initializer associated with the + // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any] + // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is + // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring + // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of + // the parameter. + function getTypeFromBindingPattern(pattern, includePatternInType) { + return pattern.kind === 164 /* ObjectBindingPattern */ + ? getTypeFromObjectBindingPattern(pattern, includePatternInType) + : getTypeFromArrayBindingPattern(pattern, includePatternInType); + } + // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type + // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it + // is a bit more involved. For example: + // + // var [x, s = ""] = [1, "one"]; + // + // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the + // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the + // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string. + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + // During a normal type check we'll never get to here with a property assignment (the check of the containing + // object literal uses a different path). We exclude widening only so that language services and type verification + // tools see the actual type. + if (declaration.kind === 248 /* PropertyAssignment */) { + return type; + } + return getWidenedType(type); + } + // Rest parameters default to type any[], other parameters default to type any + type = declaration.dotDotDotToken ? anyArrayType : anyType; + // Report implicit any errors unless this is a private property within an ambient declaration + if (reportErrors && compilerOptions.noImplicitAny) { + var root = ts.getRootDeclaration(declaration); + if (!isPrivateWithinAmbient(root) && !(root.kind === 139 /* Parameter */ && isPrivateWithinAmbient(root.parent))) { + reportImplicitAnyError(declaration, type); + } + } + return type; + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + // Handle prototype property + if (symbol.flags & 134217728 /* Prototype */) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + // Handle catch clause variables + var declaration = symbol.valueDeclaration; + if (declaration.parent.kind === 247 /* CatchClause */) { + return links.type = anyType; + } + // Handle export default expressions + if (declaration.kind === 230 /* ExportAssignment */) { + return links.type = checkExpression(declaration.expression); + } + // Handle module.exports = expr + if (declaration.kind === 184 /* BinaryExpression */) { + return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); + } + if (declaration.kind === 169 /* PropertyAccessExpression */) { + // Declarations only exist for property access expressions for certain + // special assignment kinds + if (declaration.parent.kind === 184 /* BinaryExpression */) { + // Handle exports.p = expr or this.p = expr or className.prototype.method = expr + return links.type = checkExpressionCached(declaration.parent.right); + } + } + // Handle variable, parameter or property + if (!pushTypeResolution(symbol, 0 /* Type */)) { + return unknownType; + } + var type = getWidenedTypeForVariableLikeDeclaration(declaration, /*reportErrors*/ true); + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + // Variable has type annotation that circularly references the variable itself + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + // Variable has initializer that circularly references the variable itself + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; + } + return links.type; + } + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 146 /* GetAccessor */) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; + } + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (!pushTypeResolution(symbol, 0 /* Type */)) { + return unknownType; + } + var getter = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); + var setter = ts.getDeclarationOfKind(symbol, 147 /* SetAccessor */); + var type = void 0; + // First try to see if the user specified a return type on the get-accessor. + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + // If the user didn't specify a return type, try to use the set-accessor's parameter type. + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + // If there are no specified types, try to infer it from the body of the get accessor if it exists. + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + } + } + links.type = type; + } + return links.type; + } + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = createObjectType(65536 /* Anonymous */, symbol); + } + return links.type; + } + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + } + return links.type; + } + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + // It only makes sense to get the type of a value symbol. If the result of resolving + // the alias is not a value, then it has no type. To get the type associated with a + // type symbol, call getDeclaredTypeOfSymbol. + // This check is important because without it, a call to getTypeOfSymbol could end + // up recursively calling getTypeOfAlias, causing a stack overflow. + links.type = targetSymbol.flags & 107455 /* Value */ + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; + } + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; + } + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216 /* Instantiated */) { + return getTypeOfInstantiatedSymbol(symbol); + } + if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) { + return getTypeOfVariableOrParameterOrProperty(symbol); + } + if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + if (symbol.flags & 8 /* EnumMember */) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304 /* Accessor */) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608 /* Alias */) { + return getTypeOfAlias(symbol); + } + return unknownType; + } + function getTargetType(type) { + return type.flags & 4096 /* Reference */ ? type.target : type; + } + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); + } + } + // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set. + // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set + // in-place and returns the same array. + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; + } + // Appends the outer type parameters of a node to a set of type parameters and returns the resulting set. The function + // allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set in-place and + // returns the same array. + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */ || + node.kind === 216 /* FunctionDeclaration */ || node.kind === 176 /* FunctionExpression */ || + node.kind === 144 /* MethodDeclaration */ || node.kind === 177 /* ArrowFunction */) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } + } + // The outer type parameters are those defined by enclosing generic classes, methods, or functions. + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 /* Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); + return appendOuterTypeParameters(undefined, declaration); + } + // The local type parameters are the combined set of type parameters from all declarations of the class, + // interface, or type alias. + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 217 /* ClassDeclaration */ || + node.kind === 189 /* ClassExpression */ || node.kind === 219 /* TypeAliasDeclaration */) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } + return result; + } + // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus + // its locally declared type parameters. + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + } + function isConstructorType(type) { + return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; + } + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + } + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1 /* Construct */), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + } + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; + } + // The base constructor of a class can resolve to + // undefinedType if the class has no extends clause, + // unknownType if an error occurred during resolution of the extends expression, + // nullType if the extends expression is the null value, or + // an object type with at least one construct signature. + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1 /* ResolvedBaseConstructorType */)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 80896 /* ObjectType */) { + // Resolving the members of a class requires us to resolve the base class of that class. + // We force resolution here such that we catch circularities now. + resolveStructuredTypeMembers(baseConstructorType); + } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; + } + return type.resolvedBaseConstructorType; + } + function getBaseTypes(type) { + var isClass = type.symbol.flags & 32 /* Class */; + var isInterface = type.symbol.flags & 64 /* Interface */; + if (!type.resolvedBaseTypes) { + if (!isClass && !isInterface) { + ts.Debug.fail("type must be class or interface"); + } + if (isClass) { + resolveBaseTypesOfClass(type); + } + if (isInterface) { + resolveBaseTypesOfInterface(type); + } + } + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 80896 /* ObjectType */)) { + return; + } + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* Class */ && + areAllOuterTypeParametersApplied(originalBaseType)) { + // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the + // class and all return the instance type of the class. There is no need for further checks and we can apply the + // type arguments in the same manner as a type reference to get the same error reporting experience. + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + } + else { + // The class derives from a "class-like" constructor function, check that we have at least one construct signature + // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere + // we check that all instantiated signatures return the same type. + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; + } + baseType = getReturnTypeOfSignature(constructors[0]); + } + if (baseType === unknownType) { + return; + } + if (!(getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */))) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + // An unapplied type parameter has its symbol still the same as the matching argument symbol. + // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked. + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */)) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } + } + } + } + } + // Returns true if the interface given by the symbol is free of "this" references. Specifically, the result is + // true if the interface itself contains no references to "this" in its body, if all base types are interfaces, + // and if none of the base interfaces have a "this" type. + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 /* InterfaceDeclaration */) { + if (declaration.flags & 262144 /* ContainsThis */) { + return false; + } + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isSupportedExpressionWithTypeArguments(node)) { + var baseSymbol = resolveEntityName(node.expression, 793056 /* Type */, /*ignoreErrors*/ true); + if (!baseSymbol || !(baseSymbol.flags & 64 /* Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } + } + } + } + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 /* Class */ ? 1024 /* Class */ : 2048 /* Interface */; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type + // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular, + // property types inferred from initializers and method return types inferred from return statements are very hard + // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of + // "this" references. + if (outerTypeParameters || localTypeParameters || kind === 1024 /* Class */ || !isIndependentInterface(symbol)) { + type.flags |= 4096 /* Reference */; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = {}; + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(512 /* TypeParameter */ | 33554432 /* ThisType */); + type.thisType.symbol = symbol; + type.thisType.constraint = type; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + // Note that we use the links object as the target here because the symbol object is used as the unique + // identity for resolution of the 'type' property in SymbolLinks. + if (!pushTypeResolution(symbol, 2 /* DeclaredType */)) { + return unknownType; + } + var declaration = ts.getDeclarationOfKind(symbol, 219 /* TypeAliasDeclaration */); + var type = getTypeFromTypeNode(declaration.type); + if (popTypeResolution()) { + links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (links.typeParameters) { + // Initialize the instantiation cache for generic type aliases. The declared type corresponds to + // an instantiation of the type alias with the type parameters supplied as type arguments. + links.instantiations = {}; + links.instantiations[getTypeListId(links.typeParameters)] = type; + } + } + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(128 /* Enum */); + type.symbol = symbol; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(512 /* TypeParameter */); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */).constraint) { + type.constraint = noConstraintType; + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0); + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288 /* TypeAlias */) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 384 /* Enum */) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 262144 /* TypeParameter */) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 8388608 /* Alias */) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + // A type reference is considered independent if each type argument is considered independent. + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; + } + } + } + return true; + } + // A type is considered independent if it the any, string, number, boolean, symbol, or void keyword, a string + // literal type, an array with an element type that is considered independent, or a type reference that is + // considered independent. + function isIndependentType(node) { + switch (node.kind) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 163 /* StringLiteralType */: + return true; + case 157 /* ArrayType */: + return isIndependentType(node.elementType); + case 152 /* TypeReference */: + return isIndependentTypeReference(node); + } + return false; + } + // A variable-like declaration is considered independent (free of this references) if it has a type annotation + // that specifies an independent type, or if it has no type annotation and no initializer (and thus of type any). + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + // A function-like declaration is considered independent (free of this references) if it has a return type + // annotation that is considered independent and if each parameter is considered independent. + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 145 /* Constructor */ && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; + } + } + return true; + } + // Returns true if the class or interface member given by the symbol is free of "this" references. The + // function may return false for symbols that are actually free of "this" references because it is not + // feasible to perform a complete analysis in all cases. In particular, property members with types + // inferred from their initializers and function members with inferred return types are convervatively + // assumed not to be free of "this" references. + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return isIndependentVariableLikeDeclaration(declaration); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + return isIndependentFunctionLikeDeclaration(declaration); + } + } + } + return false; + } + function createSymbolTable(symbols) { + var result = {}; + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true, + // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation. + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = {}; + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!ts.hasProperty(symbols, s.name)) { + symbols[s.name] = s; + } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); + type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (type.flags & 4096 /* Reference */) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper = identityMapper; + var members = source.symbol.members; + var callSignatures = source.declaredCallSignatures; + var constructSignatures = source.declaredConstructSignatures; + var stringIndexType = source.declaredStringIndexType; + var numberIndexType = source.declaredNumberIndexType; + if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexType = instantiateType(source.declaredStringIndexType, mapper); + numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); + } + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */)); + stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0 /* String */); + numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1 /* Number */); + } + } + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasStringLiterals = hasStringLiterals; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* Construct */); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); + } + } + return result; + } + function createTupleTypeMemberSymbols(memberTypes) { + var members = {}; + for (var i = 0; i < memberTypes.length; i++) { + var symbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "" + i); + symbol.type = memberTypes[i]; + members[i] = symbol; + } + return members; + } + function resolveTupleTypeMembers(type) { + var arrayElementType = getUnionType(type.elementTypes, /*noSubtypeReduction*/ true); + // Make the tuple type itself the 'this' type by including an extra type argument + var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); + var members = createTupleTypeMemberSymbols(type.elementTypes); + addInheritedMembers(members, arrayType.properties); + setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { + return s; + } + } + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + // We require an exact match for generic signatures, so we only return signatures from the first + // signature list and only if they have exact matches in the other signature lists. + if (listIndex > 0) { + return undefined; + } + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ false)) { + return undefined; + } + } + return [signature]; + } + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + // Allow matching non-generic signatures to have excess parameters and different return types + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreReturnTypes*/ true); + if (!match) { + return undefined; + } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); + } + } + return result; + } + // The signatures of a union type are those signatures that are present in each of the constituent types. + // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional + // parameters and may differ in return types. When signatures differ in return types, the resulting return + // type is the union of the constituent return types. + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + // Only process signatures with parameter lists that aren't already in the result list + if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + // Union the result types when more than one signature matches + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + // Clear resolved return type we possibly got from cloneSignature + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); + } + } + } + } + return result || emptyArray; + } + function getUnionIndexType(types, kind) { + var indexTypes = []; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexType = getIndexTypeOfType(type, kind); + if (!indexType) { + return undefined; + } + indexTypes.push(indexType); + } + return getUnionType(indexTypes); + } + function resolveUnionTypeMembers(type) { + // The members and properties collections are empty for union types. To get all properties of a union + // type use getPropertiesOfType (only the language service uses this). + var callSignatures = getUnionSignatures(type.types, 0 /* Call */); + var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); + var stringIndexType = getUnionIndexType(type.types, 0 /* String */); + var numberIndexType = getUnionIndexType(type.types, 1 /* Number */); + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function resolveIntersectionTypeMembers(type) { + // The members and properties collections are empty for intersection types. To get all properties of an + // intersection type use getPropertiesOfType (only the language service uses this). + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexType = undefined; + var numberIndexType = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0 /* Call */)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1 /* Construct */)); + stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0 /* String */)); + numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1 /* Number */)); + } + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0 /* Call */), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); + var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0 /* String */), type.mapper); + var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1 /* Number */), type.mapper); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else if (symbol.flags & 2048 /* TypeLiteral */) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); + var numberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else { + // Combinations of function, class, enum and module + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952 /* HasExports */) { + members = getExportsOfSymbol(symbol); + } + if (symbol.flags & 32 /* Class */) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 80896 /* ObjectType */) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); + } + } + var numberIndexType = (symbol.flags & 384 /* Enum */) ? stringType : undefined; + setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); + // We resolve the members before computing the signatures because a signature may use + // typeof with a qualified name expression that circularly references the type we are + // in the process of resolving (see issue #6072). The temporarily empty signature list + // will never be observed because a qualified name can't reference signatures. + if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } + } + } + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 4096 /* Reference */) { + resolveTypeReferenceMembers(type); + } + else if (type.flags & (1024 /* Class */ | 2048 /* Interface */)) { + resolveClassOrInterfaceMembers(type); + } + else if (type.flags & 65536 /* Anonymous */) { + resolveAnonymousTypeMembers(type); + } + else if (type.flags & 8192 /* Tuple */) { + resolveTupleTypeMembers(type); + } + else if (type.flags & 16384 /* Union */) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 32768 /* Intersection */) { + resolveIntersectionTypeMembers(type); + } + } + return type; + } + /** Return properties of an object type or an empty array for other types */ + function getPropertiesOfObjectType(type) { + if (type.flags & 80896 /* ObjectType */) { + return resolveStructuredTypeMembers(type).properties; + } + return emptyArray; + } + /** If the given type is an object type and that type has a property by the given name, + * return the symbol for that property. Otherwise return undefined. */ + function getPropertyOfObjectType(type, name) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + } + } + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getPropertyOfUnionOrIntersectionType(type, prop.name); + } + // The properties of a union type are those that are present in all constituent types, so + // we only need to check the properties of the first type + if (type.flags & 16384 /* Union */) { + break; + } + } + return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; + } + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 49152 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + } + /** + * The apparent type of a type parameter is the base constraint instantiated with the type parameter + * as the type argument for the 'this' type. + */ + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 512 /* TypeParameter */) { + constraintType = getConstraintOfTypeParameter(constraintType); + } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + } + return type.resolvedApparentType; + } + /** + * For a type parameter, return the base constraint of the type parameter. For the string, number, + * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the + * type itself. Note that the apparent type of a union type is the union type itself. + */ + function getApparentType(type) { + if (type.flags & 512 /* TypeParameter */) { + type = getApparentTypeOfTypeParameter(type); + } + if (type.flags & 258 /* StringLike */) { + type = globalStringType; + } + else if (type.flags & 132 /* NumberLike */) { + type = globalNumberType; + } + else if (type.flags & 8 /* Boolean */) { + type = globalBooleanType; + } + else if (type.flags & 16777216 /* ESSymbol */) { + type = globalESSymbolType; + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + // Flags we want to propagate to the result if they exist in all source symbols + var commonFlags = (containingType.flags & 32768 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 /* Private */ | 32 /* Protected */))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; + } + else if (!ts.contains(props, prop)) { + props.push(prop); + } + } + else if (containingType.flags & 16384 /* Union */) { + // A union type requires the property to be present in all constituent types + return undefined; + } + } + } + if (!props) { + return undefined; + } + if (props.length === 1) { + return props[0]; + } + var propTypes = []; + var declarations = []; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + propTypes.push(getTypeOfSymbol(prop)); + } + var result = createSymbol(4 /* Property */ | + 67108864 /* Transient */ | + 268435456 /* SyntheticProperty */ | + commonFlags, name); + result.containingType = containingType; + result.declarations = declarations; + result.type = containingType.flags & 16384 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getPropertyOfUnionOrIntersectionType(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = {}); + if (ts.hasProperty(properties, name)) { + return properties[name]; + } + var property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } + return property; + } + // Return the symbol for the property with the given name in the given type. Creates synthetic union properties when + // necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from + // Object and Function as appropriate. + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol = getPropertyOfObjectType(globalFunctionType, name); + if (symbol) { + return symbol; + } + } + return getPropertyOfObjectType(globalObjectType, name); + } + if (type.flags & 49152 /* UnionOrIntersection */) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; + } + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 130048 /* StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; + } + return emptyArray; + } + /** + * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and + * maps primitive types and type parameters are to their apparent types. + */ + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfStructuredType(type, kind) { + if (type.flags & 130048 /* StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 /* String */ ? resolved.stringIndexType : resolved.numberIndexType; + } + } + // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and + // maps primitive types and type parameters are to their apparent types. + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual + // type checking functions). + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); + } + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); + } + } + return result; + } + function isOptionalParameter(node) { + if (node.parserContextFlags & 32 /* JavaScriptFile */) { + if (node.type && node.type.kind === 263 /* JSDocOptionalType */) { + return true; + } + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 263 /* JSDocOptionalType */; + } + } + } + if (ts.hasQuestionToken(node)) { + return true; + } + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; + } + return false; + } + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 69 /* Identifier */) { + var parameterName = node.parameterName; + return { + kind: 1 /* Identifier */, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; + } + else { + return { + kind: 0 /* This */, + type: getTypeFromTypeNode(node.type) + }; + } + } + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var classType = declaration.kind === 145 /* Constructor */ ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var parameters = []; + var hasStringLiterals = false; + var minArgumentCount = -1; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + var returnType = undefined; + var typePredicate = undefined; + // If this is a JSDoc construct signature, then skip the first parameter in the + // parameter list. The first parameter represents the return type of the construct + // signature. + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + // Include parameter symbol instead of property symbol in the signature + if (paramSymbol && !!(paramSymbol.flags & 4 /* Property */) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455 /* Value */, undefined, undefined); + paramSymbol = resolvedSymbol; + } + parameters.push(paramSymbol); + if (param.type && param.type.kind === 163 /* StringLiteralType */) { + hasStringLiterals = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken) { + if (minArgumentCount < 0) { + minArgumentCount = i; + } + } + else { + // If we see any required parameters, it means the prior ones were not in fact optional. + minArgumentCount = -1; + } + } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length; + } + if (isJSConstructSignature) { + minArgumentCount--; + returnType = getTypeFromTypeNode(declaration.parameters[0].type); + } + else if (classType) { + returnType = classType; + } + else if (declaration.type) { + returnType = getTypeFromTypeNode(declaration.type); + if (declaration.type.kind === 151 /* TypePredicate */) { + typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); + } + } + else { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + var type = getReturnTypeFromJSDocComment(declaration); + if (type && type !== unknownType) { + returnType = type; + } + } + // TypeScript 1.0 spec (April 2014): + // If only one accessor includes a type annotation, the other behaves as if it had the same type annotation. + if (declaration.kind === 146 /* GetAccessor */ && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 147 /* SetAccessor */); + returnType = getAnnotatedAccessorType(setter); + } + if (!returnType && ts.nodeIsMissing(declaration.body)) { + returnType = anyType; + } + } + links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); + } + return links.resolvedSignature; + } + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 264 /* JSDocFunctionType */: + // Don't include signature if node is the implementation of an overloaded function. A node is considered + // an implementation node if it has a body and the previous node is of the same kind and immediately + // precedes the implementation node (i.e. has the same parent and ends where the implementation starts). + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); + } + } + return result; + } + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); + } + } + return anyType; + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3 /* ResolvedReturnType */)) { + return unknownType; + } + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); + } + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); + } + else { + type = getReturnTypeFromBody(signature.declaration); + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } + } + signature.resolvedReturnType = type; + } + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (type.flags & 4096 /* Reference */ && type.target === globalArrayType) { + return type.typeArguments[0]; + } + } + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), /*eraseTypeParameters*/ true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + if (signature.target) { + signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); + } + else { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true); + } + } + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + // There are two ways to declare a construct signature, one is by declaring a class constructor + // using the constructor keyword, and the other is declaring a bare construct signature in an + // object type literal or interface (using the new keyword). Each way of declaring a constructor + // will result in a different declaration kind. + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 145 /* Constructor */ || signature.declaration.kind === 149 /* ConstructSignature */; + var type = createObjectType(65536 /* Anonymous */ | 262144 /* FromSignature */); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; + } + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 /* Number */ ? 128 /* NumberKeyword */ : 130 /* StringKeyword */; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; + } + } + } + } + return undefined; + } + function getIndexTypeOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + return declaration + ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType + : undefined; + } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 138 /* TypeParameter */).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && !(type.flags & 33554432 /* ThisType */) && type.flags & 512 /* TypeParameter */ && !ts.contains(checked, type)) { + if (type === target) { + return true; + } + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; + } + typeParameter.constraint = constraint; + } + } + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + } + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138 /* TypeParameter */).parent); + } + function getTypeListId(types) { + if (types) { + switch (types.length) { + case 1: + return "" + types[0].id; + case 2: + return types[0].id + "," + types[1].id; + default: + var result = ""; + for (var i = 0; i < types.length; i++) { + if (i > 0) { + result += ","; + } + result += types[i].id; + } + return result; + } + } + return ""; + } + // This function is used to propagate certain flags when creating new object type references and union types. + // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type + // of an object literal or the anyFunctionType. This is because there are operations in the type checker + // that care about the presence of such types at arbitrary depth in a containing type. + function getPropagatingFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + result |= type.flags; + } + return result & 14680064 /* PropagatingFlags */; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + var flags = 4096 /* Reference */ | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); + type = target.instantiations[id] = createObjectType(flags, target.symbol); + type.target = target; + type.typeArguments = typeArguments; + } + return type; + } + // Get type from reference to class or interface + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */), typeParameters.length); + return unknownType; + } + // In a type reference, the outer type parameters of the referenced class or interface are automatically + // supplied as type arguments and the type reference only specifies arguments for the local type parameters + // of the class or interface. + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; + } + // Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include + // references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the + // declared type. Instantiations are cached using the type identities of the type arguments as the key. + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; + } + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return type; + } + // Get type from reference to named type that cannot be generic (enum or type parameter) + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return getDeclaredTypeOfSymbol(symbol); + } + function getTypeReferenceName(node) { + switch (node.kind) { + case 152 /* TypeReference */: + return node.typeName; + case 262 /* JSDocTypeReference */: + return node.name; + case 191 /* ExpressionWithTypeArguments */: + // We only support expressions that are simple qualified names. For other + // expressions this produces undefined. + if (ts.isSupportedExpressionWithTypeArguments(node)) { + return node.expression; + } + } + return undefined; + } + function resolveTypeReferenceName(node, typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; + } + return resolveEntityName(typeReferenceName, 793056 /* Type */) || unknownSymbol; + } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; + } + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + return getTypeFromClassOrInterfaceReference(node, symbol); + } + if (symbol.flags & 524288 /* TypeAlias */) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 /* Value */ && node.kind === 262 /* JSDocTypeReference */) { + // A JSDocTypeReference may have resolved to a value (as opposed to a type). In + // that case, the type of this reference is just the type of the value we resolved + // to. + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 262 /* JSDocTypeReference */) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(node, typeReferenceName); + type = getTypeReferenceType(node, symbol); + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + else { + // We only support expressions that are simple qualified names. For other expressions this produces undefined. + var typeNameOrExpression = node.kind === 152 /* TypeReference */ ? node.typeName : + ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : + undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056 /* Type */) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 /* Class */ | 64 /* Interface */) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 /* TypeAlias */ ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); + } + // Cache both the resolved symbol and the resolved type. The resolved symbol is needed in when we check the + // type reference in checkTypeReferenceOrExpressionWithTypeArguments. + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + return links.resolvedType; + } + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // The expression is processed as an identifier expression (section 4.3) + // or property access expression(section 4.10), + // the widened type(section 3.9) of which becomes the result. + links.resolvedType = getWidenedType(checkExpression(node.exprName)); + } + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + return declaration; + } + } + } + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 80896 /* ObjectType */)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; + } + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455 /* Value */, ts.Diagnostics.Cannot_find_global_value_0); + } + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793056 /* Type */, ts.Diagnostics.Cannot_find_global_type_0); + } + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); + } + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + } + /** + * Returns a type that is inside a namespace at the global scope, e.g. + * getExportedTypeFromNamespace('JSX', 'Element') returns the JSX.Element type + */ + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056 /* Type */); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function getGlobalESSymbolConstructorSymbol() { + return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); + } + /** + * Creates a TypeReference for a generic `TypedPropertyDescriptor`. + */ + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + /** + * Instantiates a global type that is generic with some element type, and returns that instantiation. + */ + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(globalIterableType, [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); + } + return links.resolvedType; + } + function createTupleType(elementTypes) { + var id = getTypeListId(elementTypes); + return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); + } + function createNewTupleType(elementTypes) { + var type = createObjectType(8192 /* Tuple */ | getPropagatingFlagsOfTypes(elementTypes)); + type.elementTypes = elementTypes; + return type; + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function addTypeToSet(typeSet, type, typeSetKind) { + if (type.flags & typeSetKind) { + addTypesToSet(typeSet, type.types, typeSetKind); + } + else if (!ts.contains(typeSet, type)) { + typeSet.push(type); + } + } + // Add the given types to the given type set. Order is preserved, duplicates are removed, + // and nested types of the given kind are flattened into the set. + function addTypesToSet(typeSet, types, typeSetKind) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToSet(typeSet, type, typeSetKind); + } + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } + } + return false; + } + function removeSubtypes(types) { + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + types.splice(i, 1); + } + } + } + function containsTypeAny(types) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var type = types_5[_i]; + if (isTypeAny(type)) { + return true; + } + } + return false; + } + function removeAllButLast(types, typeToRemove) { + var i = types.length; + while (i > 0 && types.length > 1) { + i--; + if (types[i] === typeToRemove) { + types.splice(i, 1); + } + } + } + // We reduce the constituent type set to only include types that aren't subtypes of other types, unless + // the noSubtypeReduction flag is specified, in which case we perform a simple deduplication based on + // object identity. Subtype reduction is possible only when union types are known not to circularly + // reference themselves (as is the case with union types created by expression constructs such as array + // literals and the || and ?: operators). Named types can circularly reference themselves and therefore + // cannot be deduplicated during their declaration. For example, "type Item = string | (() => Item" is + // a named type that circularly references itself. + function getUnionType(types, noSubtypeReduction) { + if (types.length === 0) { + return emptyUnionType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 16384 /* Union */); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (noSubtypeReduction) { + removeAllButLast(typeSet, undefinedType); + removeAllButLast(typeSet, nullType); + } + else { + removeSubtypes(typeSet); + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = unionTypes[id]; + if (!type) { + type = unionTypes[id] = createObjectType(16384 /* Union */ | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromUnionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), /*noSubtypeReduction*/ true); + } + return links.resolvedType; + } + // We do not perform structural deduplication on intersection types. Intersection types are created only by the & + // type operator and we can't reduce those because we want to support recursive intersection types. For example, + // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. + // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution + // for intersections of types with signatures can be deterministic. + function getIntersectionType(types) { + if (types.length === 0) { + return emptyObjectType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 32768 /* Intersection */); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + type = intersectionTypes[id] = createObjectType(32768 /* Intersection */ | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromIntersectionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // Deferred resolution of members is handled by resolveObjectTypeMembers + links.resolvedType = createObjectType(65536 /* Anonymous */, node.symbol); + } + return links.resolvedType; + } + function getStringLiteralTypeForText(text) { + if (ts.hasProperty(stringLiteralTypes, text)) { + return stringLiteralTypes[text]; + } + var type = stringLiteralTypes[text] = createType(256 /* StringLiteral */); + type.text = text; + return type; + } + function getTypeFromStringLiteralTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getStringLiteralTypeForText(node.text); + } + return links.resolvedType; + } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; + } + return links.resolvedType; + } + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNode); + links.resolvedType = createTupleType(types); + } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 218 /* InterfaceDeclaration */)) { + if (!(container.flags & 64 /* Static */) && + (container.kind !== 145 /* Constructor */ || ts.isNodeDescendentOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + } + } + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); + } + return links.resolvedType; + } + function getTypeFromTypeNode(node) { + switch (node.kind) { + case 117 /* AnyKeyword */: + case 253 /* JSDocAllType */: + case 254 /* JSDocUnknownType */: + return anyType; + case 130 /* StringKeyword */: + return stringType; + case 128 /* NumberKeyword */: + return numberType; + case 120 /* BooleanKeyword */: + return booleanType; + case 131 /* SymbolKeyword */: + return esSymbolType; + case 103 /* VoidKeyword */: + return voidType; + case 162 /* ThisType */: + return getTypeFromThisTypeNode(node); + case 163 /* StringLiteralType */: + return getTypeFromStringLiteralTypeNode(node); + case 152 /* TypeReference */: + case 262 /* JSDocTypeReference */: + return getTypeFromTypeReference(node); + case 151 /* TypePredicate */: + return booleanType; + case 191 /* ExpressionWithTypeArguments */: + return getTypeFromTypeReference(node); + case 155 /* TypeQuery */: + return getTypeFromTypeQueryNode(node); + case 157 /* ArrayType */: + case 255 /* JSDocArrayType */: + return getTypeFromArrayTypeNode(node); + case 158 /* TupleType */: + return getTypeFromTupleTypeNode(node); + case 159 /* UnionType */: + case 256 /* JSDocUnionType */: + return getTypeFromUnionTypeNode(node); + case 160 /* IntersectionType */: + return getTypeFromIntersectionTypeNode(node); + case 161 /* ParenthesizedType */: + case 258 /* JSDocNullableType */: + case 259 /* JSDocNonNullableType */: + case 266 /* JSDocConstructorType */: + case 267 /* JSDocThisType */: + case 263 /* JSDocOptionalType */: + return getTypeFromTypeNode(node.type); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 156 /* TypeLiteral */: + case 264 /* JSDocFunctionType */: + case 260 /* JSDocRecordType */: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + // This function assumes that an identifier or qualified name is a type expression + // Callers should first ensure this by calling isTypeNode + case 69 /* Identifier */: + case 136 /* QualifiedName */: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 257 /* JSDocTupleType */: + return getTypeFromJSDocTupleType(node); + case 265 /* JSDocVariadicType */: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; + } + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; + } + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createTypeMapper(sources, targets) { + switch (sources.length) { + case 1: return createUnaryTypeMapper(sources[0], targets[0]); + case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); + } + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets[i]; + } + } + return t; + }; + } + function createUnaryTypeEraser(source) { + return function (t) { return t === source ? anyType : t; }; + } + function createBinaryTypeEraser(source1, source2) { + return function (t) { return t === source1 || t === source2 ? anyType : t; }; + } + function createTypeEraser(sources) { + switch (sources.length) { + case 1: return createUnaryTypeEraser(sources[0]); + case 2: return createBinaryTypeEraser(sources[0], sources[1]); + } + return function (t) { + for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { + var source = sources_1[_i]; + if (t === source) { + return anyType; + } + } + return t; + }; + } + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); + } + } + return t; + }; + mapper.context = context; + context.mapper = mapper; + } + return context.mapper; + } + function identityMapper(type) { + return type; + } + function combineTypeMappers(mapper1, mapper2) { + return function (t) { return instantiateType(mapper1(t), mapper2); }; + } + function cloneTypeParameter(typeParameter) { + var result = createType(512 /* TypeParameter */); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; + } + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1 /* Identifier */, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; + } + else { + return { + kind: 0 /* This */, + type: instantiateType(predicate.type, mapper) + }; + } + } + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + // First create a fresh set of type parameters, then include a mapping from the old to the + // new type parameters in the mapper function. Finally store this mapper in the new type + // parameters such that we can use it when instantiating constraints. + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; + } + } + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); + result.target = signature; + result.mapper = mapper; + return result; + } + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216 /* Instantiated */) { + var links = getSymbolLinks(symbol); + // If symbol being instantiated is itself a instantiation, fetch the original target and combine the + // type mappers. This ensures that original type identities are properly preserved and that aliases + // always reference a non-aliases. + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); + } + // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and + // also transient so that we can just store data on it directly. + var result = createSymbol(16777216 /* Instantiated */ | 67108864 /* Transient */ | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; + } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; + } + } + else { + mapper.instantiations = []; + } + // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it + var result = createObjectType(65536 /* Anonymous */ | 131072 /* Instantiated */, type.symbol); + result.target = type; + result.mapper = mapper; + mapper.instantiations[type.id] = result; + return result; + } + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 512 /* TypeParameter */) { + return mapper(type); + } + if (type.flags & 65536 /* Anonymous */) { + return type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.flags & 4096 /* Reference */) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + if (type.flags & 8192 /* Tuple */) { + return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); + } + if (type.flags & 16384 /* Union */) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), /*noSubtypeReduction*/ true); + } + if (type.flags & 32768 /* Intersection */) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); + } + } + return type; + } + // Returns true if the given expression contains (at any level of nesting) a function or arrow expression + // that is subject to contextual typing. + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return isContextSensitiveFunctionLikeDeclaration(node); + case 168 /* ObjectLiteralExpression */: + return ts.forEach(node.properties, isContextSensitive); + case 167 /* ArrayLiteralExpression */: + return ts.forEach(node.elements, isContextSensitive); + case 185 /* ConditionalExpression */: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 184 /* BinaryExpression */: + return node.operatorToken.kind === 52 /* BarBarToken */ && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 248 /* PropertyAssignment */: + return isContextSensitive(node.initializer); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return isContextSensitiveFunctionLikeDeclaration(node); + case 175 /* ParenthesizedExpression */: + return isContextSensitive(node.expression); + } + return false; + } + function isContextSensitiveFunctionLikeDeclaration(node) { + return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(65536 /* Anonymous */, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; + } + } + return type; + } + // TYPE CHECKING + function isTypeIdenticalTo(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined); + } + function compareTypesIdentical(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; + } + function compareTypesAssignable(source, target) { + return checkTypeRelatedTo(source, target, assignableRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; + } + function isTypeSubtypeOf(source, target) { + return checkTypeSubtypeOf(source, target, /*errorNode*/ undefined); + } + function isTypeAssignableTo(source, target) { + return checkTypeAssignableTo(source, target, /*errorNode*/ undefined); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, /*reportErrors*/ false, /*errorReporter*/ undefined, compareTypesAssignable) !== 0 /* False */; + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* True */; + } + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0 /* False */; + } + // Spec 1.0 Section 3.8.3 & 3.8.4: + // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1 /* True */; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(t, s, /*reportErrors*/ false) || compareTypes(s, t, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0 /* False */; + } + result &= related; + } + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); + } + return 0 /* False */; + } + } + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } + } + return result; + } + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* False */; + } + if (source.kind === 1 /* Identifier */) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* False */; + } + } + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 /* False */ && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return related; + } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + // First see if the return types are compatible in either direction. + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, /*errorNode*/ undefined) + || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, /*errorNode*/ undefined)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true); + } + return false; + } + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + // If both have rest parameters, get the max and add 1 to + // compensate for the rest parameter. + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + } + else { + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + } + } + else { + // Return the count for whichever signature doesn't have rest parameters. + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; + } + } + /** + * Checks if 'source' is related to 'target' (e.g.: is a assignable to). + * @param source The left-hand-side of the relation. + * @param target The right-hand-side of the relation. + * @param relation The relation considered. One of 'identityRelation', 'assignableRelation', or 'subTypeRelation'. + * Used as both to determine which checks are performed and as a cache of previously computed results. + * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used. + * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used. + * @param containingMessageChain A chain of errors to prepend any new errors found. + */ + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, /*reportErrors*/ !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + } + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + } + return result !== 0 /* False */; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + } + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); + targetType = typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); + } + reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); + } + // Compare two types and return + // Ternary.True if they are related with no assumptions, + // Ternary.Maybe if they are related with assumptions of other relationships, or + // Ternary.False if they are not related. + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases + if (source === target) + return -1 /* True */; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isTypeAny(target)) + return -1 /* True */; + if (source === undefinedType) + return -1 /* True */; + if (source === nullType && target !== undefinedType) + return -1 /* True */; + if (source.flags & 128 /* Enum */ && target === numberType) + return -1 /* True */; + if (source.flags & 128 /* Enum */ && target.flags & 128 /* Enum */) { + if (result = enumRelatedTo(source, target)) { + return result; + } + } + if (source.flags & 256 /* StringLiteral */ && target === stringType) + return -1 /* True */; + if (relation === assignableRelation) { + if (isTypeAny(source)) + return -1 /* True */; + if (source === numberType && target.flags & 128 /* Enum */) + return -1 /* True */; + } + if (source.flags & 8 /* Boolean */ && target.flags & 8 /* Boolean */) { + return -1 /* True */; + } + if (source.flags & 1048576 /* FreshObjectLiteral */) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0 /* False */; + } + // Above we check for excess properties with respect to the entire target type. When union + // and intersection types are further deconstructed on the target side, we don't want to + // make the check again (as it might fail for a partial target type). Therefore we obtain + // the regular source type and proceed with that. + if (target.flags & 49152 /* UnionOrIntersection */) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + // Note that the "each" checks must precede the "some" checks to produce the correct results + if (source.flags & 16384 /* Union */) { + if (result = eachTypeRelatedToType(source, target, reportErrors)) { + return result; + } + } + else if (target.flags & 32768 /* Intersection */) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else { + // It is necessary to try "some" checks on both sides because there may be nested "each" checks + // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or + // A & B = (A & B) | (C & D). + if (source.flags & 32768 /* Intersection */) { + // If target is a union type the following check will report errors so we suppress them here + if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384 /* Union */))) { + return result; + } + } + if (target.flags & 16384 /* Union */) { + if (result = typeRelatedToSomeType(source, target, reportErrors)) { + return result; + } + } + } + if (source.flags & 512 /* TypeParameter */) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1 /* Any */) { + constraint = emptyObjectType; + } + // Report constraint errors only if the constraint is not the empty object type + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + else { + if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // We have type references to same target type, see if relationship holds for all type arguments + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + // Even if relationship doesn't hold for unions, intersections, or generic type references, + // it may hold in a structural comparison. + var apparentSource = getApparentType(source); + // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates + // to X. Failing both of those we want to check if the aggregation of A and B's members structurally + // relates to X. Thus, we include intersection types on the source side here. + if (apparentSource.flags & (80896 /* ObjectType */ | 32768 /* Intersection */) && target.flags & 80896 /* ObjectType */) { + // Report structural errors only if we haven't reported any errors yet + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726 /* Primitive */); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + } + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0 /* False */; + } + function isIdenticalTo(source, target) { + var result; + if (source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */) { + if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // We have type references to same target type, see if all type arguments are identical + if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); + } + if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || + source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } + } + return 0 /* False */; + } + // Check if a property with the given name is known anywhere in the given type. In an object type, a property + // is considered known if the object type is empty and the check is for assignability, if the object type has + // index signatures, or if the property is actually declared in the object type. In a union or intersection + // type, a property is considered known if it is known in any constituent type. + function isKnownProperty(type, name) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || + resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 49152 /* UnionOrIntersection */) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } + } + return false; + } + function hasExcessProperties(source, target, reportErrors) { + if (!(target.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */) && someConstituentTypeHasKind(target, 80896 /* ObjectType */)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + // We know *exactly* where things went wrong when comparing the types. + // Use this property as the error node as this will be more helpful in + // reasoning about what went wrong. + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } + return false; + } + function eachTypeRelatedToSomeType(source, target) { + var result = -1 /* True */; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + for (var i = 0, len = targetTypes.length; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0 /* False */; + } + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1 /* True */; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + for (var i = 0, len = sourceTypes.length; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0 /* False */; + } + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1 /* True */; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0 /* False */; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1 /* True */; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + // Determine if two object types are related by structure. First, check if the result is already available in the global cache. + // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true. + // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are + // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion + // and issue an error. Otherwise, actually compare the structure of the two types. + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0 /* False */; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2 /* Failed */) { + // We are elaborating errors and the cached result is an unreported failure. Record the result as a reported + // failure and continue computing the relation such that errors get reported. + relation[id] = 3 /* FailedAndReported */; + } + else { + return related === 1 /* Succeeded */ ? -1 /* True */ : 0 /* False */; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + // If source and target are already being compared, consider them related with assumptions + if (maybeStack[i][id]) { + return 1 /* Maybe */; + } + } + if (depth === 100) { + overflow = true; + return 0 /* False */; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = {}; + maybeStack[depth][id] = 1 /* Succeeded */; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1 /* Maybe */; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0 /* Call */, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportErrors); + if (result) { + result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); + if (result) { + result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); + } + } + } + } + } + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + // If result is definitely true, copy assumptions to global cache, else copy to next level up + var destinationCache = (result === -1 /* True */ || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyMap(maybeCache, destinationCache); + } + else { + // A false result goes straight into global cache (when something is false under assumptions it + // will also be false without assumptions) + relation[id] = reportErrors ? 3 /* FailedAndReported */ : 2 /* Failed */; + } + return result; + } + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1 /* True */; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288 /* ObjectLiteral */); + for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { + var targetProp = properties_1[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912 /* Optional */) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0 /* False */; + } + } + else if (!(targetProp.flags & 134217728 /* Prototype */)) { + var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); + if (sourcePropFlags & 16 /* Private */ || targetPropFlags & 16 /* Private */) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 16 /* Private */ && targetPropFlags & 16 /* Private */) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 /* Private */ ? source : target), typeToString(sourcePropFlags & 16 /* Private */ ? target : source)); + } + } + return 0 /* False */; + } + } + else if (targetPropFlags & 32 /* Protected */) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32 /* Class */; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0 /* False */; + } + } + else if (sourcePropFlags & 32 /* Protected */) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* False */; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0 /* False */; + } + result &= related; + if (sourceProp.flags & 536870912 /* Optional */ && !(targetProp.flags & 536870912 /* Optional */)) { + // TypeScript 1.0 spec (April 2014): 3.8.3 + // S is a subtype of a type T, and T is a supertype of S if ... + // S' and T are object types and, for each member M in T.. + // M is a property and S' contains a property N where + // if M is a required property, N is also a required property + // (M - property in T) + // (N - property in S) + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* False */; + } + } + } + } + return result; + } + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */)) { + return 0 /* False */; + } + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0 /* False */; + } + var result = -1 /* True */; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0 /* False */; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1 /* True */; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 /* Construct */ && sourceSignatures.length && targetSignatures.length && + isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + // An abstract constructor type is not assignable to a non-abstract constructor type + // as it would otherwise be possible to new an abstract class. Note that the assignablity + // check we perform for an extends clause excludes construct signatures from the target, + // so this check never proceeds. + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + return 0 /* False */; + } + var result = -1 /* True */; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + if (!t.hasStringLiterals || target.flags & 262144 /* FromSignature */) { + // Only elaborate errors from the first failure + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + if (!s.hasStringLiterals || source.flags & 262144 /* FromSignature */) { + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + } + // don't elaborate the primitive apparent types (like Number) + // because the actual primitives will have already been reported. + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind)); + } + return 0 /* False */; + } + } + return result; + } + /** + * See signatureAssignableTo, compareSignaturesIdentical + */ + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, /*ignoreReturnTypes*/ false, reportErrors, reportError, isRelatedTo); + } + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0 /* False */; + } + var result = -1 /* True */; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreReturnTypes*/ false, isRelatedTo); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(0 /* String */, source, target); + } + var targetType = getIndexTypeOfType(target, 0 /* String */); + if (targetType) { + if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { + // non-primitive assignment to any is always allowed, eg + // `var x: { [index: string]: any } = { property: 12 };` + return -1 /* True */; + } + var sourceType = getIndexTypeOfType(source, 0 /* String */); + if (!sourceType) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0 /* False */; + } + var related = isRelatedTo(sourceType, targetType, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0 /* False */; + } + return related; + } + return -1 /* True */; + } + function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(1 /* Number */, source, target); + } + var targetType = getIndexTypeOfType(target, 1 /* Number */); + if (targetType) { + if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { + // non-primitive assignment to any is always allowed, eg + // `var x: { [index: number]: any } = { property: 12 };` + return -1 /* True */; + } + var sourceStringType = getIndexTypeOfType(source, 0 /* String */); + var sourceNumberType = getIndexTypeOfType(source, 1 /* Number */); + if (!(sourceStringType || sourceNumberType)) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0 /* False */; + } + var related = void 0; + if (sourceStringType && sourceNumberType) { + // If we know for sure we're testing both string and numeric index types then only report errors from the second one + related = isRelatedTo(sourceStringType, targetType, /*reportErrors*/ false) || isRelatedTo(sourceNumberType, targetType, reportErrors); + } + else { + related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); + } + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0 /* False */; + } + return related; + } + return -1 /* True */; + } + function indexTypesIdenticalTo(indexKind, source, target) { + var targetType = getIndexTypeOfType(target, indexKind); + var sourceType = getIndexTypeOfType(source, indexKind); + if (!sourceType && !targetType) { + return -1 /* True */; + } + if (sourceType && targetType) { + return isRelatedTo(sourceType, targetType); + } + return 0 /* False */; + } + function enumRelatedTo(source, target) { + if (source.symbol.name !== target.symbol.name || + source.symbol.flags & 128 /* ConstEnum */ || + target.symbol.flags & 128 /* ConstEnum */) { + return 0 /* False */; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8 /* EnumMember */) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8 /* EnumMember */)) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */)); + return 0 /* False */; + } + } + } + return -1 /* True */; + } + } + // Return true if the given type is the constructor type for an abstract class + function isAbstractConstructorType(type) { + if (type.flags & 65536 /* Anonymous */) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32 /* Class */) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && declaration.flags & 128 /* Abstract */) { + return true; + } + } + } + return false; + } + // Return true if the given type is part of a deeply nested chain of generic instantiations. We consider this to be the case + // when structural type comparisons have been started for 10 or more instantiations of the same generic type. It is possible, + // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely expanding. + // Effectively, we will generate a false positive when two types are structurally equal to at least 10 levels, but unequal at + // some level beyond that. + function isDeeplyNestedGeneric(type, stack, depth) { + // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) + if (type.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (t.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } + } + return false; + } + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* False */; + } + function compareProperties(sourceProp, targetProp, compareTypes) { + // Two members are considered identical when + // - they are public properties with identical names, optionality, and types, + // - they are private or protected properties originating in the same declaration and having identical types + if (sourceProp === targetProp) { + return -1 /* True */; + } + var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 /* Private */ | 32 /* Protected */); + var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 /* Private */ | 32 /* Protected */); + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0 /* False */; + } + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0 /* False */; + } + } + else { + if ((sourceProp.flags & 536870912 /* Optional */) !== (targetProp.flags & 536870912 /* Optional */)) { + return 0 /* False */; + } + } + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + // A source signature matches a target signature if the two signatures have the same number of required, + // optional, and rest parameters. + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; + } + // A source signature partially matches a target signature if the target signature has no fewer required + // parameters and no more overall parameters than the source signature (where a signature with a rest + // parameter is always considered to have more overall parameters than one without). + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || + source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { + return true; + } + return false; + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* True */; + } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0 /* False */; + } + // Check that the two signatures have the same number of type parameters. We might consider + // also checking that any type parameter constraints match, but that would require instantiating + // the constraints with a common set of type arguments to get relatable entities in places where + // type parameters occur in the constraints. The complexity of doing that doesn't seem worthwhile, + // particularly as we're comparing erased versions of the signatures below. + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0 /* False */; + } + // Spec 1.0 Section 3.8.3 & 3.8.4: + // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1 /* True */; + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0 /* False */; + } + result &= related; + } + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + return result; + } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + if (candidate !== type && !isTypeSubtypeOf(type, candidate)) + return false; + } + return true; + } + function getCommonSupertype(types) { + return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + // The downfallType/bestSupertypeDownfallType is the first type that caused a particular candidate + // to not be the common supertype. So if it weren't for this one downfallType (and possibly others), + // the type in question could have been the common supertype. + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } + } + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; + } + // types.length - 1 is the maximum score, given that getCommonSupertype returned false + if (bestSupertypeScore === types.length - 1) { + break; + } + } + // In the following errors, the {1} slot is before the {0} slot because checkTypeSubtypeOf supplies the + // subtype as the first argument to the error + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return type.flags & 4096 /* Reference */ && type.target === globalArrayType; + } + function isArrayLikeType(type) { + // A type is array-like if it is not the undefined or null type and if it is assignable to any[] + return !(type.flags & (32 /* Undefined */ | 64 /* Null */)) && isTypeAssignableTo(type, anyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isStringLiteralType(type) { + return type.flags & 256 /* StringLiteral */; + } + /** + * Check if a Type was written as a tuple type literal. + * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. + */ + function isTupleType(type) { + return !!(type.flags & 8192 /* Tuple */); + } + function getRegularTypeOfObjectLiteral(type) { + if (type.flags & 1048576 /* FreshObjectLiteral */) { + var regularType = type.regularType; + if (!regularType) { + regularType = createType(type.flags & ~1048576 /* FreshObjectLiteral */); + regularType.symbol = type.symbol; + regularType.members = type.members; + regularType.properties = type.properties; + regularType.callSignatures = type.callSignatures; + regularType.constructSignatures = type.constructSignatures; + regularType.stringIndexType = type.stringIndexType; + regularType.numberIndexType = type.numberIndexType; + type.regularType = regularType; + } + return regularType; + } + return type; + } + function getWidenedTypeOfObjectLiteral(type) { + var properties = getPropertiesOfObjectType(type); + var members = {}; + ts.forEach(properties, function (p) { + var propType = getTypeOfSymbol(p); + var widenedType = getWidenedType(propType); + if (propType !== widenedType) { + var symbol = createSymbol(p.flags | 67108864 /* Transient */, p.name); + symbol.declarations = p.declarations; + symbol.parent = p.parent; + symbol.type = widenedType; + symbol.target = p; + if (p.valueDeclaration) + symbol.valueDeclaration = p.valueDeclaration; + p = symbol; + } + members[p.name] = p; + }); + var stringIndexType = getIndexTypeOfType(type, 0 /* String */); + var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); + if (stringIndexType) + stringIndexType = getWidenedType(stringIndexType); + if (numberIndexType) + numberIndexType = getWidenedType(numberIndexType); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); + } + function getWidenedType(type) { + if (type.flags & 6291456 /* RequiresWidening */) { + if (type.flags & (32 /* Undefined */ | 64 /* Null */)) { + return anyType; + } + if (type.flags & 524288 /* ObjectLiteral */) { + return getWidenedTypeOfObjectLiteral(type); + } + if (type.flags & 16384 /* Union */) { + return getUnionType(ts.map(type.types, getWidenedType), /*noSubtypeReduction*/ true); + } + if (isArrayType(type)) { + return createArrayType(getWidenedType(type.typeArguments[0])); + } + if (isTupleType(type)) { + return createTupleType(ts.map(type.elementTypes, getWidenedType)); + } + } + return type; + } + /** + * Reports implicit any errors that occur as a result of widening 'null' and 'undefined' + * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to + * getWidenedType. But in some cases getWidenedType is called without reporting errors + * (type argument inference is an example). + * + * The return value indicates whether an error was in fact reported. The particular circumstances + * are on a best effort basis. Currently, if the null or undefined that causes widening is inside + * an object literal property (arbitrarily deeply), this function reports an error. If no error is + * reported, reportImplicitAnyError is a suitable fallback to report a general error. + */ + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 16384 /* Union */) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (isArrayType(type)) { + return reportWideningErrorsInType(type.typeArguments[0]); + } + if (isTupleType(type)) { + for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (type.flags & 524288 /* ObjectLiteral */) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 2097152 /* ContainsUndefinedOrNull */) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); + } + errorReported = true; + } + } + } + return errorReported; + } + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 139 /* Parameter */: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; + } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); + } + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152 /* ContainsUndefinedOrNull */) { + // Report implicit any error within type if possible, otherwise report error on declaration + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } + } + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = sourceMax > targetMax ? sourceMax : targetMax; + sourceMax--; + targetMax--; + } + else if (source.hasRestParameter) { + sourceMax--; + count = targetMax; + } + else if (target.hasRestParameter) { + targetMax--; + count = sourceMax; + } + else { + count = sourceMax < targetMax ? sourceMax : targetMax; + } + for (var i = 0; i < count; i++) { + var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); + callback(s, t); + } + } + function createInferenceContext(typeParameters, inferUnionTypes) { + var inferences = ts.map(typeParameters, createTypeInferencesObject); + return { + typeParameters: typeParameters, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(typeParameters.length) + }; + } + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + isFixed: false + }; + } + function inferTypes(context, source, target) { + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + inferFromTypes(source, target); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; + } + function inferFromTypes(source, target) { + if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || + source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { + // Source and target are both unions or both intersections. First, find each + // target constituent type that has an identically matching source constituent + // type, and for each such target constituent type infer from the type to itself. + // When inferring from a type to itself we effectively find all type parameter + // occurrences within that type and infer themselves as their type arguments. + var matchingTypes = void 0; + for (var _i = 0, _a = target.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (typeIdenticalToSomeType(t, source.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + } + // Next, to improve the quality of inferences, reduce the source and target types by + // removing the identically matched constituents. For example, when inferring from + // 'string | string[]' to 'string | T' we reduce the types to 'string[]' and 'T'. + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 512 /* TypeParameter */) { + // If target is a type parameter, make an inference, unless the source type contains + // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions). + // Because the anyFunctionType is internal, it should not be exposed to the user by adding + // it as an inference candidate. Hopefully, a better candidate will come along that does + // not contain anyFunctionType when we come back to this argument for its second round + // of inference. + if (source.flags & 8388608 /* ContainsAnyFunctionType */) { + return; + } + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + // Any inferences that are made to a type parameter in a union type are inferior + // to inferences made to a flat (non-union) type. This is because if we infer to + // T | string[], we really don't know if we should be inferring to T or not (because + // the correct constituent on the target side could be string[]). Therefore, we put + // such inferior inferences into a secondary bucket, and only use them if the primary + // bucket is empty. + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + } + return; + } + } + } + else if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // If source and target are references to the same generic type, infer from type arguments + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (source.flags & 8192 /* Tuple */ && target.flags & 8192 /* Tuple */ && source.elementTypes.length === target.elementTypes.length) { + // If source and target are tuples of the same size, infer from element types + var sourceTypes = source.elementTypes; + var targetTypes = target.elementTypes; + for (var i = 0; i < sourceTypes.length; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 49152 /* UnionOrIntersection */) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + // First infer to each type in union or intersection that isn't a type parameter + for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { + var t = targetTypes_2[_b]; + if (t.flags & 512 /* TypeParameter */ && ts.contains(context.typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + // Next, if target is a union type containing a single naked type parameter, make a + // secondary inference to that type parameter. We don't do this for intersection types + // because in a target type like Foo & T we don't know how which parts of the source type + // should be matched by Foo and which should be inferred to T. + if (target.flags & 16384 /* Union */ && typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 49152 /* UnionOrIntersection */) { + // Source is a union or intersection type, infer from each consituent type + var sourceTypes = source.types; + for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { + var sourceType = sourceTypes_3[_c]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 80896 /* ObjectType */ && (target.flags & 4096 /* Reference */ && target.typeArguments || + target.flags & 8192 /* Tuple */ || + target.flags & 65536 /* Anonymous */ && target.symbol && target.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */))) { + // If source is an object type, and target is a type reference with type arguments, a tuple type, + // the type of a method, or a type literal, infer from members + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0 /* Call */); + inferFromSignatures(source, target, 1 /* Construct */); + inferFromIndexTypes(source, target, 0 /* String */, 0 /* String */); + inferFromIndexTypes(source, target, 1 /* Number */, 1 /* Number */); + inferFromIndexTypes(source, target, 0 /* String */, 1 /* Number */); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target, sourceKind, targetKind) { + var targetIndexType = getIndexTypeOfType(target, targetKind); + if (targetIndexType) { + var sourceIndexType = getIndexTypeOfType(source, sourceKind); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetIndexType); + } + } + } + } + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } + } + return false; + } + /** + * Return a new union or intersection type computed by removing a given set of types + * from a given union or intersection type. + */ + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); + } + } + return type.flags & 16384 /* Union */ ? getUnionType(reducedTypes, /*noSubtypeReduction*/ true) : getIntersectionType(reducedTypes); + } + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + // Infer widened union or supertype, or the unknown type for no common supertype + var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; + } + else { + // Infer the empty object type when no inferences were made. It is important to remember that + // in this case, inference still succeeds, meaning there is no error for not having inference + // candidates. An inference error only occurs when there are *conflicting* candidates, i.e. + // candidates with no common supertype. + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + // Only do the constraint check if inference succeeded (to prevent cascading errors) + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } + } + } + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + // If inference failed, it is necessary to record the index of the failed type parameter (the one we are on). + // It might be that inference has already failed on a later type parameter on a previous call to inferTypeArguments. + // So if this failure is on preceding type parameter, this type parameter is the new failure index. + context.failedTypeParameterIndex = index; + } + } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + // EXPRESSION TYPE CHECKING + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 /* Value */ | 1048576 /* ExportValue */, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; + } + return links.resolvedSymbol; + } + function isInTypeQuery(node) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // A type query consists of the keyword typeof followed by an expression. + // The expression is restricted to a single identifier or a sequence of identifiers separated by periods + while (node) { + switch (node.kind) { + case 155 /* TypeQuery */: + return true; + case 69 /* Identifier */: + case 136 /* QualifiedName */: + node = node.parent; + continue; + default: + return false; + } + } + ts.Debug.fail("should not get here"); + } + function hasInitializer(node) { + return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); + } + // Check if a given variable is assigned within a given syntax node + function isVariableAssignedWithin(symbol, node) { + var links = getNodeLinks(node); + if (links.assignmentChecks) { + var cachedResult = links.assignmentChecks[symbol.id]; + if (cachedResult !== undefined) { + return cachedResult; + } + } + else { + links.assignmentChecks = {}; + } + return links.assignmentChecks[symbol.id] = isAssignedIn(node); + function isAssignedInBinaryExpression(node) { + if (node.operatorToken.kind >= 56 /* FirstAssignment */ && node.operatorToken.kind <= 68 /* LastAssignment */) { + var n = skipParenthesizedNodes(node.left); + if (n.kind === 69 /* Identifier */ && getResolvedSymbol(n) === symbol) { + return true; + } + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedInVariableDeclaration(node) { + if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { + return true; + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedIn(node) { + switch (node.kind) { + case 184 /* BinaryExpression */: + return isAssignedInBinaryExpression(node); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return isAssignedInVariableDeclaration(node); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + case 167 /* ArrayLiteralExpression */: + case 168 /* ObjectLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + case 175 /* ParenthesizedExpression */: + case 182 /* PrefixUnaryExpression */: + case 178 /* DeleteExpression */: + case 181 /* AwaitExpression */: + case 179 /* TypeOfExpression */: + case 180 /* VoidExpression */: + case 183 /* PostfixUnaryExpression */: + case 187 /* YieldExpression */: + case 185 /* ConditionalExpression */: + case 188 /* SpreadElementExpression */: + case 195 /* Block */: + case 196 /* VariableStatement */: + case 198 /* ExpressionStatement */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 207 /* ReturnStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + case 210 /* LabeledStatement */: + case 211 /* ThrowStatement */: + case 212 /* TryStatement */: + case 247 /* CatchClause */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + case 238 /* JsxOpeningElement */: + case 243 /* JsxExpression */: + return ts.forEachChild(node, isAssignedIn); + } + return false; + } + } + // Get the narrowed type of a given symbol at a given location + function getNarrowedTypeOfSymbol(symbol, node) { + var type = getTypeOfSymbol(symbol); + // Only narrow when symbol is variable of type any or an object, union, or type parameter type + if (node && symbol.flags & 3 /* Variable */) { + if (isTypeAny(type) || type.flags & (80896 /* ObjectType */ | 16384 /* Union */ | 512 /* TypeParameter */)) { + var declaration = ts.getDeclarationOfKind(symbol, 214 /* VariableDeclaration */); + var top_1 = declaration && getDeclarationContainer(declaration); + var originalType = type; + var nodeStack = []; + loop: while (node.parent) { + var child = node; + node = node.parent; + switch (node.kind) { + case 199 /* IfStatement */: + case 185 /* ConditionalExpression */: + case 184 /* BinaryExpression */: + nodeStack.push({ node: node, child: child }); + break; + case 251 /* SourceFile */: + case 221 /* ModuleDeclaration */: + // Stop at the first containing file or module declaration + break loop; + } + if (node === top_1) { + break; + } + } + var nodes = void 0; + while (nodes = nodeStack.pop()) { + var node_1 = nodes.node, child = nodes.child; + switch (node_1.kind) { + case 199 /* IfStatement */: + // In a branch of an if statement, narrow based on controlling expression + if (child !== node_1.expression) { + type = narrowType(type, node_1.expression, /*assumeTrue*/ child === node_1.thenStatement); + } + break; + case 185 /* ConditionalExpression */: + // In a branch of a conditional expression, narrow based on controlling condition + if (child !== node_1.condition) { + type = narrowType(type, node_1.condition, /*assumeTrue*/ child === node_1.whenTrue); + } + break; + case 184 /* BinaryExpression */: + // In the right operand of an && or ||, narrow based on left operand + if (child === node_1.right) { + if (node_1.operatorToken.kind === 51 /* AmpersandAmpersandToken */) { + type = narrowType(type, node_1.left, /*assumeTrue*/ true); + } + else if (node_1.operatorToken.kind === 52 /* BarBarToken */) { + type = narrowType(type, node_1.left, /*assumeTrue*/ false); + } + } + break; + default: + ts.Debug.fail("Unreachable!"); + } + // Use original type if construct contains assignments to variable + if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { + type = originalType; + } + } + // Preserve old top-level behavior - if the branch is really an empty set, revert to prior type + if (type === emptyUnionType) { + type = originalType; + } + } + } + return type; + function narrowTypeByEquality(type, expr, assumeTrue) { + // Check that we have 'typeof ' on the left and string literal on the right + if (expr.left.kind !== 179 /* TypeOfExpression */ || expr.right.kind !== 9 /* StringLiteral */) { + return type; + } + var left = expr.left; + var right = expr.right; + if (left.expression.kind !== 69 /* Identifier */ || getResolvedSymbol(left.expression) !== symbol) { + return type; + } + if (expr.operatorToken.kind === 33 /* ExclamationEqualsEqualsToken */) { + assumeTrue = !assumeTrue; + } + var typeInfo = primitiveTypeInfo[right.text]; + // Don't narrow `undefined` + if (typeInfo && typeInfo.type === undefinedType) { + return type; + } + var flags; + if (typeInfo) { + flags = typeInfo.flags; + } + else { + assumeTrue = !assumeTrue; + flags = 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */ | 8 /* Boolean */; + } + // At this point we can bail if it's not a union + if (!(type.flags & 16384 /* Union */)) { + // If we're on the true branch and the type is a subtype, we should return the primitive type + if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { + return typeInfo.type; + } + // If the active non-union type would be removed from a union by this type guard, return an empty union + return filterUnion(type) ? type : emptyUnionType; + } + return getUnionType(ts.filter(type.types, filterUnion), /*noSubtypeReduction*/ true); + function filterUnion(type) { + return assumeTrue === !!(type.flags & flags); + } + } + function narrowTypeByAnd(type, expr, assumeTrue) { + if (assumeTrue) { + // The assumed result is true, therefore we narrow assuming each operand to be true. + return narrowType(narrowType(type, expr.left, /*assumeTrue*/ true), expr.right, /*assumeTrue*/ true); + } + else { + // The assumed result is false. This means either the first operand was false, or the first operand was true + // and the second operand was false. We narrow with those assumptions and union the two resulting types. + return getUnionType([ + narrowType(type, expr.left, /*assumeTrue*/ false), + narrowType(type, expr.right, /*assumeTrue*/ false) + ]); + } + } + function narrowTypeByOr(type, expr, assumeTrue) { + if (assumeTrue) { + // The assumed result is true. This means either the first operand was true, or the first operand was false + // and the second operand was true. We narrow with those assumptions and union the two resulting types. + return getUnionType([ + narrowType(type, expr.left, /*assumeTrue*/ true), + narrowType(type, expr.right, /*assumeTrue*/ true) + ]); + } + else { + // The assumed result is false, therefore we narrow assuming each operand to be false. + return narrowType(narrowType(type, expr.left, /*assumeTrue*/ false), expr.right, /*assumeTrue*/ false); + } + } + function narrowTypeByInstanceof(type, expr, assumeTrue) { + // Check that type is not any, assumed result is true, and we have variable symbol on the left + if (isTypeAny(type) || expr.left.kind !== 69 /* Identifier */ || getResolvedSymbol(expr.left) !== symbol) { + return type; + } + // Check that right operand is a function type with a prototype property + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; + } + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + // Target type is type of the prototype property + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; + } + } + if (!targetType) { + // Target type is type of construct signature + var constructSignatures = void 0; + if (rightType.flags & 2048 /* Interface */) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (rightType.flags & 65536 /* Anonymous */) { + constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } + } + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; + } + function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { + if (!assumeTrue) { + if (originalType.flags & 16384 /* Union */) { + return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); + } + return originalType; + } + // If the current type is a union type, remove all constituents that aren't assignable to target. If that produces + // 0 candidates, fall back to the assignability check + if (originalType.flags & 16384 /* Union */) { + var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); + if (assignableConstituents.length) { + return getUnionType(assignableConstituents); + } + } + if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { + // Narrow to the target type if it's assignable to the current type + return narrowedTypeCandidate; + } + return originalType; + } + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (type.flags & 1 /* Any */) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + if (callExpression.arguments[predicate.parameterIndex] && + getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); + } + return type; + } + function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { + if (invokedExpression.kind === 170 /* ElementAccessExpression */ || invokedExpression.kind === 169 /* PropertyAccessExpression */) { + var accessExpression = invokedExpression; + var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); + if (possibleIdentifier.kind === 69 /* Identifier */ && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + return type; + } + function getSymbolAtTypePredicatePosition(expr) { + expr = skipParenthesizedNodes(expr); + switch (expr.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + return getSymbolOfEntityNameOrPropertyAccessExpression(expr); + } + } + // Narrow the given type based on the given expression having the assumed boolean value. The returned type + // will be a subtype or the same type as the argument. + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 171 /* CallExpression */: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 175 /* ParenthesizedExpression */: + return narrowType(type, expr.expression, assumeTrue); + case 184 /* BinaryExpression */: + var operator = expr.operatorToken.kind; + if (operator === 32 /* EqualsEqualsEqualsToken */ || operator === 33 /* ExclamationEqualsEqualsToken */) { + return narrowTypeByEquality(type, expr, assumeTrue); + } + else if (operator === 51 /* AmpersandAmpersandToken */) { + return narrowTypeByAnd(type, expr, assumeTrue); + } + else if (operator === 52 /* BarBarToken */) { + return narrowTypeByOr(type, expr, assumeTrue); + } + else if (operator === 91 /* InstanceOfKeyword */) { + return narrowTypeByInstanceof(type, expr, assumeTrue); + } + break; + case 182 /* PrefixUnaryExpression */: + if (expr.operator === 49 /* ExclamationToken */) { + return narrowType(type, expr.operand, !assumeTrue); + } + break; + } + return type; + } + } + function skipParenthesizedNodes(expression) { + while (expression.kind === 175 /* ParenthesizedExpression */) { + expression = expression.expression; + } + return expression; + } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects. + // Although in down-level emit of arrow function, we emit it using function expression which means that + // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects + // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior. + // To avoid that we will give an error to users if they use arguments objects in arrow function so that they + // can explicitly bound arguments objects + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (container.kind === 177 /* ArrowFunction */) { + if (languageVersion < 2 /* ES6 */) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); + } + } + if (node.parserContextFlags & 8 /* Await */) { + getNodeLinks(container).flags |= 8192 /* CaptureArguments */; + } + } + if (symbol.flags & 8388608 /* Alias */ && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + if (languageVersion === 2 /* ES6 */ + && localOrExportSymbol.flags & 32 /* Class */ + && localOrExportSymbol.valueDeclaration.kind === 217 /* ClassDeclaration */ + && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { + getNodeLinks(container).flags |= 524288 /* ClassWithBodyScopedClassBinding */; + getNodeLinks(node).flags |= 1048576 /* BodyScopedClassBinding */; + break; + } + container = ts.getContainingClass(container); + } + } + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + return getNarrowedTypeOfSymbol(localOrExportSymbol, node); + } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; + } + current = current.parent; + } + return false; + } + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 /* ES6 */ || + (symbol.flags & (2 /* BlockScopedVariable */ | 32 /* Class */)) === 0 || + symbol.valueDeclaration.parent.kind === 247 /* CatchClause */) { + return; + } + // 1. walk from the use site up to the declaration and check + // if there is anything function like between declaration and use-site (is binding/class is captured in function). + // 2. walk from the declaration up to the boundary of lexical environment and check + // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement) + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, /*lookInLabeledStatements*/ false)) { + containedInIterationStatement = true; + break; + } + current = current.parent; + } + if (containedInIterationStatement) { + if (usedInFunction) { + // mark iteration statement as containing block-scoped binding captured in some function + getNodeLinks(current).flags |= 65536 /* LoopWithCapturedBlockScopedBinding */; + } + // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement. + // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back. + if (container.kind === 202 /* ForStatement */ && + ts.getAncestor(symbol.valueDeclaration, 215 /* VariableDeclarationList */).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152 /* NeedsLoopOutParameter */; + } + // set 'declared inside loop' bit on the block-scoped binding + getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* BlockScopedBindingInLoop */; + } + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072 /* CapturedBlockScopedBinding */; + } + } + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + // skip parenthesized nodes + while (current.parent.kind === 175 /* ParenthesizedExpression */) { + current = current.parent; + } + // check if node is used as LHS in some assignment expression + var isAssigned = false; + if (current.parent.kind === 184 /* BinaryExpression */) { + isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); + } + if ((current.parent.kind === 182 /* PrefixUnaryExpression */ || current.parent.kind === 183 /* PostfixUnaryExpression */)) { + var expr = current.parent; + isAssigned = expr.operator === 41 /* PlusPlusToken */ || expr.operator === 42 /* MinusMinusToken */; + } + if (!isAssigned) { + return false; + } + // at this point we know that node is the target of assignment + // now check that modification happens inside the statement part of the ForStatement + while (current !== container) { + if (current === container.statement) { + return true; + } + else { + current = current.parent; + } + } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2 /* LexicalThis */; + if (container.kind === 142 /* PropertyDeclaration */ || container.kind === 145 /* Constructor */) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4 /* CaptureThis */; + } + else { + getNodeLinks(container).flags |= 4 /* CaptureThis */; + } + } + function findFirstSuperCall(n) { + if (ts.isSuperCallExpression(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findFirstSuperCall); + } + /** + * Return a cached result if super-statement is already found. + * Otherwise, find a super statement in a given constructor function and cache the result in the node-links of the constructor + * + * @param constructor constructor-function to look for super statement + */ + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + // Only trying to find super-call if we haven't yet tried to find one. Once we try, we will record the result + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + /** + * Check if the given class-declaration extends null then return true. + * Otherwise, return false + * @param classDecl a class declaration to check if it extends null + */ + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullType; + } + function checkThisExpression(node) { + // Stop at the first arrow function so that we can + // tell whether 'this' needs to be captured. + var container = ts.getThisContainer(node, /* includeArrowFunctions */ true); + var needToCaptureLexicalThis = false; + if (container.kind === 145 /* Constructor */) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + // If a containing class does not have extends clause or the class extends null + // skip checking whether super statement is called before "this" accessing. + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + // We should give an error in the following cases: + // - No super-call + // - "this" is accessing before super-call. + // i.e super(this) + // this.x; super(); + // We want to make sure that super-call is done before accessing "this" so that + // "this" is not accessed as a parameter of the super-call. + if (!superCall || superCall.end > node.pos) { + // In ES6, super inside constructor of class-declaration has to precede "this" accessing + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + } + } + } + // Now skip arrow functions to get the "real" owner of 'this'. + if (container.kind === 177 /* ArrowFunction */) { + container = ts.getThisContainer(container, /* includeArrowFunctions */ false); + // When targeting es6, arrow function lexically bind "this" so we do not need to do the work of binding "this" in emitted code + needToCaptureLexicalThis = (languageVersion < 2 /* ES6 */); + } + switch (container.kind) { + case 221 /* ModuleDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 220 /* EnumDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 145 /* Constructor */: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + if (container.flags & 64 /* Static */) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 137 /* ComputedPropertyName */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + return container.flags & 64 /* Static */ ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + } + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } + // If this is a function in a JS file, it might be a class method. Check if it's the RHS + // of a x.prototype.y = function [name]() { .... } + if (container.kind === 176 /* FunctionExpression */) { + if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3 /* PrototypeProperty */) { + // Get the 'x' of 'x.prototype.y = f' (here, 'f' is 'container') + var className = container.parent // x.protoype.y = f + .left // x.prototype.y + .expression // x.prototype + .expression; // x + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* Function */)) { + return getInferredClassType(classSymbol); + } + } + } + } + return anyType; + } + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264 /* JSDocFunctionType */) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267 /* JSDocThisType */) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } + } + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 139 /* Parameter */) { + return true; + } + } + return false; + } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; + var container = ts.getSuperContainer(node, /*stopOnFunctions*/ true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + // adjust the container reference in case if super is used inside arrow functions with arbitrary deep nesting + while (container && container.kind === 177 /* ArrowFunction */) { + container = ts.getSuperContainer(container, /*stopOnFunctions*/ true); + needToCaptureLexicalThis = languageVersion < 2 /* ES6 */; + } + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + // issue more specific error if super is used in computed property name + // class A { foo() { return "1" }} + // class B { + // [super.foo()]() {} + // } + var current = node; + while (current && current !== container && current.kind !== 137 /* ComputedPropertyName */) { + current = current.parent; + } + if (current && current.kind === 137 /* ComputedPropertyName */) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); + } + return unknownType; + } + if ((container.flags & 64 /* Static */) || isCallExpression) { + nodeCheckFlag = 512 /* SuperStatic */; + } + else { + nodeCheckFlag = 256 /* SuperInstance */; + } + getNodeLinks(node).flags |= nodeCheckFlag; + // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference. + // This is due to the fact that we emit the body of an async function inside of a generator function. As generator + // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper + // uses an arrow function, which is permitted to reference `super`. + // + // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property + // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value + // of a property or indexed access, either as part of an assignment expression or destructuring assignment. + // + // The simplest case is reading a value, in which case we will emit something like the following: + // + // // ts + // ... + // async asyncMethod() { + // let x = await super.asyncMethod(); + // return x; + // } + // ... + // + // // js + // ... + // asyncMethod() { + // const _super = name => super[name]; + // return __awaiter(this, arguments, Promise, function *() { + // let x = yield _super("asyncMethod").call(this); + // return x; + // }); + // } + // ... + // + // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases + // are legal in ES6, but also likely less frequent, we emit the same more complex helper for both scenarios: + // + // // ts + // ... + // async asyncMethod(ar: Promise) { + // [super.a, super.b] = await ar; + // } + // ... + // + // // js + // ... + // asyncMethod(ar) { + // const _super = (function (geti, seti) { + // const cache = Object.create(null); + // return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } }); + // })(name => super[name], (name, value) => super[name] = value); + // return __awaiter(this, arguments, Promise, function *() { + // [_super("a").value, _super("b").value] = yield ar; + // }); + // } + // ... + // + // This helper creates an object with a "value" property that wraps the `super` property or indexed access for both get and set. + // This is required for destructuring assignments, as a call expression cannot be used as the target of a destructuring assignment + // while a property access can. + if (container.kind === 144 /* MethodDeclaration */ && container.flags & 256 /* Async */) { + if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096 /* AsyncMethodWithSuperBinding */; + } + else { + getNodeLinks(container).flags |= 2048 /* AsyncMethodWithSuper */; + } + } + if (needToCaptureLexicalThis) { + // call expressions are allowed only in constructors so they should always capture correct 'this' + // super property access expressions can also appear in arrow functions - + // in this case they should also use correct lexical this + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 168 /* ObjectLiteralExpression */) { + if (languageVersion < 2 /* ES6 */) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + // for object literal assume that type of 'super' is 'any' + return anyType; + } + } + // at this point the only legal case for parent is ClassLikeDeclaration + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; + } + if (container.kind === 145 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) { + // issue custom error message for super property access in constructor arguments (to be aligned with old compiler) + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; + } + return nodeCheckFlag === 512 /* SuperStatic */ + ? getBaseConstructorTypeOfClass(classType) + : baseClassType; + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + // TS 1.0 SPEC (April 2014): 4.8.1 + // Super calls are only permitted in constructors of derived classes + return container.kind === 145 /* Constructor */; + } + else { + // TS 1.0 SPEC (April 2014) + // 'super' property access is allowed + // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance + // - In a static member function or static member accessor + // topmost container must be something that is directly nested in the class declaration\object literal expression + if (ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */) { + if (container.flags & 64 /* Static */) { + return container.kind === 144 /* MethodDeclaration */ || + container.kind === 143 /* MethodSignature */ || + container.kind === 146 /* GetAccessor */ || + container.kind === 147 /* SetAccessor */; + } + else { + return container.kind === 144 /* MethodDeclaration */ || + container.kind === 143 /* MethodSignature */ || + container.kind === 146 /* GetAccessor */ || + container.kind === 147 /* SetAccessor */ || + container.kind === 142 /* PropertyDeclaration */ || + container.kind === 141 /* PropertySignature */ || + container.kind === 145 /* Constructor */; + } + } + } + return false; + } + } + // Return contextual type of parameter or undefined if no contextual type is available + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { + if (isContextSensitive(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); + } + // If last parameter is contextually rest parameter get its type + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + } + } + } + } + return undefined; + } + // In a variable, parameter or property declaration with a type annotation, the contextual type of an initializer + // expression is the type of the variable, parameter or property. Otherwise, in a parameter declaration of a + // contextually typed function expression, the contextual type of an initializer expression is the contextual type + // of the parameter. Otherwise, in a variable or parameter declaration with a binding pattern name, the contextual + // type of an initializer expression is the type implied by the binding pattern. + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139 /* Parameter */) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true); + } + } + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); + } + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } + } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 139 /* Parameter */ && node.parent.initializer === node) { + return true; + } + node = node.parent; + } + return false; + } + function getContextualReturnType(functionDecl) { + // If the containing function has a return type annotation, is a constructor, or is a get accessor whose + // corresponding set accessor has a type annotation, return statements in the function are contextually typed + if (functionDecl.type || + functionDecl.kind === 145 /* Constructor */ || + functionDecl.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147 /* SetAccessor */))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + } + // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature + // and that call signature is non-generic, return statements are contextually typed by the return type of the signature + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); + } + return undefined; + } + // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter. + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedSignature(callTarget); + return getTypeAtPosition(signature, argIndex); + } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 173 /* TaggedTemplateExpression */) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { + // In an assignment expression, the right operand is contextually typed by the type of the left operand. + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); + } + } + else if (operator === 52 /* BarBarToken */) { + // When an || expression has a contextual type, the operands are contextually typed by that type. When an || + // expression has no contextual type, the right operand is contextually typed by the type of the left operand. + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); + } + return type; + } + else if (operator === 51 /* AmpersandAmpersandToken */ || operator === 24 /* CommaToken */) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); + } + } + return undefined; + } + // Apply a mapping function to a contextual type and return the resulting type. If the contextual type + // is a union type, the mapping function is applied to each constituent type and a union of the resulting + // types is returned. + function applyToContextualType(type, mapper) { + if (!(type.flags & 16384 /* Union */)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var current = types_8[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); + } + } + } + return mappedTypes ? getUnionType(mappedTypes) : mappedType; + } + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 130048 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); + } + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + } + function contextualTypeIsStringLiteralType(type) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); + } + // Return true if the given contextual type is a tuple-like type + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + } + // Return true if the given contextual type provides an index signature of the given kind + function contextualTypeHasIndexSignature(type, kind) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); + } + // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of + // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one + // exists. Otherwise, it is the type of the string index signature in T, if one exists. + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + // For a (non-symbol) computed property, there is no reason to look up the name + // in the type. It will just be "__computed", which does not appear in any + // SymbolTable. + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; + } + } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1 /* Number */) || + getIndexTypeOfContextualType(type, 0 /* String */); + } + return undefined; + } + // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is + // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature, + // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated + // type of T. + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1 /* Number */) + || (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(type, /*errorNode*/ undefined) : undefined); + } + return undefined; + } + // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type. + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 241 /* JsxAttribute */) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); + } + else if (attribute.kind === 242 /* JsxSpreadAttribute */) { + return attrsType; + } + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); + } + // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily + // be "pushed" onto a node using the contextualType property. + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + /** + * Woah! Do you really want to use this function? + * + * Unless you're trying to get the *non-apparent* type for a + * value-literal type or you're authoring relevant portions of this algorithm, + * you probably meant to use 'getApparentTypeOfContextualType'. + * Otherwise this may not be very useful. + * + * In cases where you *are* working on this function, you should understand + * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContetxualType'. + * + * - Use 'getContextualType' when you are simply going to propagate the result to the expression. + * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type. + * + * @param node the expression whose contextual type will be returned. + * @returns the contextual type of an expression. + */ + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 214 /* VariableDeclaration */: + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 166 /* BindingElement */: + return getContextualTypeForInitializerExpression(node); + case 177 /* ArrowFunction */: + case 207 /* ReturnStatement */: + return getContextualTypeForReturnExpression(node); + case 187 /* YieldExpression */: + return getContextualTypeForYieldOperand(parent); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return getContextualTypeForArgument(parent, node); + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return getTypeFromTypeNode(parent.type); + case 184 /* BinaryExpression */: + return getContextualTypeForBinaryOperand(node); + case 248 /* PropertyAssignment */: + return getContextualTypeForObjectLiteralElement(parent); + case 167 /* ArrayLiteralExpression */: + return getContextualTypeForElementExpression(node); + case 185 /* ConditionalExpression */: + return getContextualTypeForConditionalOperand(node); + case 193 /* TemplateSpan */: + ts.Debug.assert(parent.parent.kind === 186 /* TemplateExpression */); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 175 /* ParenthesizedExpression */: + return getContextualType(parent); + case 243 /* JsxExpression */: + return getContextualType(parent); + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + return getContextualTypeForJsxAttribute(parent); + } + return undefined; + } + // If the given type is an object or union type, if that type has a single signature, and if + // that signature is non-generic, return the signature. Otherwise return undefined. + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; + } + } + } + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 176 /* FunctionExpression */ || node.kind === 177 /* ArrowFunction */; + } + function getContextualSignatureForFunctionLikeDeclaration(node) { + // Only function expressions, arrow functions, and object literal methods are contextually typed. + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; + } + // Return the contextual signature for a given expression node. A contextual type provides a + // contextual signature if it has a single call signature and if that call signature is non-generic. + // If the contextual type is a union type, get the signature from each type possible and if they are + // all identical ignoring their return type, the result is same signature but with return type as + // union type of return types from these signatures + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var type = ts.isObjectLiteralMethod(node) + ? getContextualTypeForObjectLiteralMethod(node) + : getApparentTypeOfContextualType(node); + if (!type) { + return undefined; + } + if (!(type.flags & 16384 /* Union */)) { + return getNonGenericSignature(type); + } + var signatureList; + var types = type.types; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var current = types_9[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + // This signature will contribute to contextual union signature + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { + // Signatures aren't identical, do not use + return undefined; + } + else { + // Use this signature for contextual union signature + signatureList.push(signature); + } + } + } + // Result is union of signatures collected (return type is union of return types of this signature set) + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + // Clear resolved return type we possibly got from cloneSignature + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; + } + return result; + } + /** + * Detect if the mapper implies an inference context. Specifically, there are 4 possible values + * for a mapper. Let's go through each one of them: + * + * 1. undefined - this means we are not doing inferential typing, but we may do contextual typing, + * which could cause us to assign a parameter a type + * 2. identityMapper - means we want to avoid assigning a parameter a type, whether or not we are in + * inferential typing (context is undefined for the identityMapper) + * 3. a mapper created by createInferenceMapper - we are doing inferential typing, we want to assign + * types to parameters and fix type parameters (context is defined) + * 4. an instantiation mapper created by createTypeMapper or createTypeEraser - this should never be + * passed as the contextual mapper when checking an expression (context is undefined for these) + * + * isInferentialContext is detecting if we are in case 3 + */ + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property + // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is + // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ p: a}] = xxx'. + function isAssignmentTarget(node) { + var parent = node.parent; + if (parent.kind === 184 /* BinaryExpression */ && parent.operatorToken.kind === 56 /* EqualsToken */ && parent.left === node) { + return true; + } + if (parent.kind === 248 /* PropertyAssignment */) { + return isAssignmentTarget(parent.parent); + } + if (parent.kind === 167 /* ArrayLiteralExpression */) { + return isAssignmentTarget(parent); + } + return false; + } + function checkSpreadElementExpression(node, contextualMapper) { + // It is usually not safe to call checkExpressionCached if we can be contextually typing. + // You can tell that we are contextually typing because of the contextualMapper parameter. + // While it is true that a spread element can have a contextual type, it does not do anything + // with this type. It is neither affected by it, nor does it propagate it to its operand. + // So the fact that contextualMapper is passed is not important, because the operand of a spread + // element is not contextually typed. + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, /*allowStringInput*/ false); + } + function hasDefaultValue(node) { + return (node.kind === 166 /* BindingElement */ && !!node.initializer) || + (node.kind === 184 /* BinaryExpression */ && node.operatorToken.kind === 56 /* EqualsToken */); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 188 /* SpreadElementExpression */) { + // Given the following situation: + // var c: {}; + // [...c] = ["", 0]; + // + // c is represented in the tree as a spread element in an array literal. + // But c really functions as a rest element, and its purpose is to provide + // a contextual type for the right hand side of the assignment. Therefore, + // instead of calling checkExpression on "...c", which will give an error + // if c is not iterable/array-like, we need to act as if we are trying to + // get the contextual element type from it. So we do something similar to + // getContextualTypeForElementExpression, which will crucially not error + // if there is no index type / iterated type. + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1 /* Number */) || + (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(restArrayType, /*errorNode*/ undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); + } + } + else { + var type = checkExpression(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 188 /* SpreadElementExpression */; + } + if (!hasSpreadElement) { + // If array literal is actually a destructuring pattern, mark it as an implied type. We do this such + // that we get the same behavior for "var [x, y] = []" and "[x, y] = []". + if (inDestructuringPattern && elementTypes.length) { + var type = createNewTupleType(elementTypes); + type.pattern = node; + return type; + } + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + // If array literal is contextually typed by a binding pattern or an assignment pattern, pad the resulting + // tuple type with the corresponding binding or assignment element types to make the lengths equal. + if (pattern && (pattern.kind === 165 /* ArrayBindingPattern */ || pattern.kind === 167 /* ArrayLiteralExpression */)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.elementTypes[i]); + } + else { + if (patternElement.kind !== 190 /* OmittedExpression */) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } + } + } + return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); + } + function isNumericName(name) { + return name.kind === 137 /* ComputedPropertyName */ ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + // It seems odd to consider an expression of type Any to result in a numeric name, + // but this behavior is consistent with checkIndexedAccess + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132 /* NumberLike */); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); + } + function isNumericLiteralName(name) { + // The intent of numeric names is that + // - they are names with text in a numeric form, and that + // - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit', + // acquired by applying the abstract 'ToNumber' operation on the name's text. + // + // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name. + // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold. + // + // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)' + // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'. + // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names + // because their 'ToString' representation is not equal to their original text. + // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1. + // + // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'. + // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation. + // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number. + // + // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional. + // This is desired behavior, because when indexing with them as numeric entities, you are indexing + // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively. + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + // This will allow types number, string, symbol or any. It will also allow enums, the unknown + // type, and any union of these types (like string | number). + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, /*reportError*/ true); + } + } + return links.resolvedType; + } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = isAssignmentTarget(node); + // Grammar checking + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = {}; + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 164 /* ObjectBindingPattern */ || contextualType.pattern.kind === 168 /* ObjectLiteralExpression */); + var typeFlags = 0; + var patternWithComputedProperties = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 248 /* PropertyAssignment */ || + memberDecl.kind === 249 /* ShorthandPropertyAssignment */ || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 248 /* PropertyAssignment */) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 144 /* MethodDeclaration */) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 249 /* ShorthandPropertyAssignment */); + type = checkExpression(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 /* Property */ | 67108864 /* Transient */ | member.flags, member.name); + if (inDestructuringPattern) { + // If object literal is an assignment pattern and if the assignment pattern specifies a default value + // for the property, make the property optional. + var isOptional = (memberDecl.kind === 248 /* PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 249 /* ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912 /* Optional */; + } + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; + } + } + else if (contextualTypeHasPattern && !(contextualType.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */)) { + // If object literal is contextually typed by the implied type of a binding pattern, and if the + // binding pattern specifies a default value for the property, make the property optional. + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912 /* Optional */; + } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); + } + } + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + // TypeScript 1.0 spec (April 2014) + // A get accessor declaration is processed in the same manner as + // an ordinary function declaration(section 6.1) with no parameters. + // A set accessor declaration is processed in the same manner + // as an ordinary function declaration with a single parameter and a Void return type. + ts.Debug.assert(memberDecl.kind === 146 /* GetAccessor */ || memberDecl.kind === 147 /* SetAccessor */); + checkAccessorDeclaration(memberDecl); + } + if (!ts.hasDynamicName(memberDecl)) { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); + } + // If object literal is contextually typed by the implied type of a binding pattern, augment the result + // type with those properties for which the binding pattern specifies a default value. + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!ts.hasProperty(propertiesTable, prop.name)) { + if (!(prop.flags & 536870912 /* Optional */)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); + } + } + } + var stringIndexType = getIndexType(0 /* String */); + var numberIndexType = getIndexType(1 /* Number */); + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576 /* FreshObjectLiteral */; + result.flags |= 524288 /* ObjectLiteral */ | 4194304 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 14680064 /* PropagatingFlags */) | (patternWithComputedProperties ? 67108864 /* ObjectLiteralPatternWithComputedProperties */ : 0); + if (inDestructuringPattern) { + result.pattern = node; + } + return result; + function getIndexType(kind) { + if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { + var propTypes = []; + for (var i = 0; i < propertiesArray.length; i++) { + var propertyDecl = node.properties[i]; + if (kind === 0 /* String */ || isNumericName(propertyDecl.name)) { + // Do not call getSymbolOfNode(propertyDecl), as that will get the + // original symbol for the node. We actually want to get the symbol + // created by checkObjectLiteral, since that will be appropriately + // contextually typed and resolved. + var type = getTypeOfSymbol(propertiesArray[i]); + if (!ts.contains(propTypes, type)) { + propTypes.push(type); + } + } + } + var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; + typeFlags |= result_1.flags; + return result_1; + } + return undefined; + } + } + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; + } + function checkJsxElement(node) { + // Check attributes + checkJsxOpeningLikeElement(node.openingElement); + // Perform resolution on the closing tag so that rename/go to definition/etc work + getJsxElementTagSymbol(node.closingElement); + // Check children + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 243 /* JsxExpression */: + checkJsxExpression(child); + break; + case 236 /* JsxElement */: + checkJsxElement(child); + break; + case 237 /* JsxSelfClosingElement */: + checkJsxSelfClosingElement(child); + break; + } + } + return jsxElementType || anyType; + } + /** + * Returns true iff the JSX element name would be a valid JS identifier, ignoring restrictions about keywords not being identifiers + */ + function isUnhyphenatedJsxName(name) { + // - is the only character supported in JSX attribute names that isn't valid in JavaScript identifiers + return name.indexOf("-") < 0; + } + /** + * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name + */ + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 136 /* QualifiedName */) { + return false; + } + else { + return ts.isIntrinsicJsxName(tagName.text); + } + } + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + // Look up the corresponding property for this attribute + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + // If there is no 'props' property, you may not have non-"data-" attributes + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + // Maybe there's a string indexer? + var indexerType = getIndexTypeOfType(elementAttributesType, 0 /* String */); + if (indexerType) { + correspondingPropType = indexerType; + } + else { + // If there's no corresponding property with this name, error + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } + } + } + } + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); + } + else { + // is sugar for + exprType = booleanType; + } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); + } + nameTable[node.name.text] = true; + return exprType; + } + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + // Is there a corresponding property in the element attributes type? Skip checking of properties + // that have already been assigned to, as these are not actually pushed into the resulting type + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } + } + return type; + } + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; + } + return jsxTypes[name]; + } + /// Given a JSX opening element or self-closing element, return the symbol of the property that the tag name points to if + /// this is an intrinsic tag. This might be a named + /// property of the IntrinsicElements interface, or its string indexer. + /// If this is a class-based tag (otherwise returns undefined), returns the symbol of the class + /// type or factory function. + /// Otherwise, returns unknownSymbol. + function getJsxElementTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + links.resolvedSymbol = lookupIntrinsicTag(node); + } + else { + links.resolvedSymbol = lookupClassTag(node); + } + } + return links.resolvedSymbol; + function lookupIntrinsicTag(node) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + // Property case + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1 /* IntrinsicNamedElement */; + return intrinsicProp; + } + // Intrinsic string indexer case + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */); + if (indexSignatureType) { + links.jsxFlags |= 2 /* IntrinsicIndexedElement */; + return intrinsicElementsType.symbol; + } + // Wasn't found + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); + } + return unknownSymbol; + } + } + function lookupClassTag(node) { + var valueSymbol = resolveJsxTagName(node); + // Look up the value in the current scope + if (valueSymbol && valueSymbol !== unknownSymbol) { + links.jsxFlags |= 4 /* ValueElement */; + if (valueSymbol.flags & 8388608 /* Alias */) { + markAliasSymbolAsReferenced(valueSymbol); + } + } + return valueSymbol || unknownSymbol; + } + function resolveJsxTagName(node) { + if (node.tagName.kind === 69 /* Identifier */) { + var tag = node.tagName; + var sym = getResolvedSymbol(tag); + return sym.exportSymbol || sym; + } + else { + return checkQualifiedName(node.tagName).symbol; + } + } + } + /** + * Given a JSX element that is a class element, finds the Element Instance Type. If the + * element is not a class element, or the class element type cannot be determined, returns 'undefined'. + * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). + */ + function getJsxElementInstanceType(node) { + // There is no such thing as an instance type for a non-class element. This + // line shouldn't be hit. + ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4 /* ValueElement */), "Should not call getJsxElementInstanceType on non-class Element"); + var classSymbol = getJsxElementTagSymbol(node); + if (classSymbol === unknownSymbol) { + // Couldn't find the class instance type. Error has already been issued + return anyType; + } + var valueType = getTypeOfSymbol(classSymbol); + if (isTypeAny(valueType)) { + // Short-circuit if the class tag is using an element type 'any' + return anyType; + } + // Resolve the signatures, preferring constructors + var signatures = getSignaturesOfType(valueType, 1 /* Construct */); + if (signatures.length === 0) { + // No construct signatures, try call signatures + signatures = getSignaturesOfType(valueType, 0 /* Call */); + if (signatures.length === 0) { + // We found no signatures at all, which is an error + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; + } + } + return getUnionType(signatures.map(getReturnTypeOfSignature)); + } + /// e.g. "props" for React.d.ts, + /// or 'undefined' if ElementAttributesPropery doesn't exist (which means all + /// non-intrinsic elements' attributes type is 'any'), + /// or '' if it has 0 properties (which means every + /// non-instrinsic elements' attributes type is the element instance type) + function getJsxElementPropertiesName() { + // JSX + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); + // JSX.ElementAttributesProperty [symbol] + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056 /* Type */); + // JSX.ElementAttributesProperty [type] + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + // The properites of JSX.ElementAttributesProperty + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + // Element Attributes has zero properties, so the element attributes type will be the class instance type + if (attribProperties.length === 0) { + return ""; + } + else if (attribProperties.length === 1) { + return attribProperties[0].name; + } + else { + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; + } + } + else { + // No interface exists, so the element attributes type will be an implicit any + return undefined; + } + } + /** + * Given an opening/self-closing element, get the 'element attributes type', i.e. the type that tells + * us which attributes are valid on a given element. + */ + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + var sym = getJsxElementTagSymbol(node); + if (links.jsxFlags & 4 /* ValueElement */) { + // Get the element instance type (the result of newing or invoking this tag) + var elemInstanceType = getJsxElementInstanceType(node); + var elemClassType = getJsxGlobalElementClassType(); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + // Is this is a stateless function component? See if its single signature's return type is + // assignable to the JSX Element Type + var elemType = getTypeOfSymbol(sym); + var callSignatures = elemType && getSignaturesOfType(elemType, 0 /* Call */); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + // Intersect in JSX.IntrinsicAttributes if it exists + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return links.resolvedJsxType = paramType; + } + } + // Issue an error if this return type isn't assignable to JSX.ElementClass + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); + } + if (isTypeAny(elemInstanceType)) { + return links.resolvedJsxType = elemInstanceType; + } + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + // There is no type ElementAttributesProperty, return 'any' + return links.resolvedJsxType = anyType; + } + else if (propsName === "") { + // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead + return links.resolvedJsxType = elemInstanceType; + } + else { + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + // There is no property named 'props' on this instance type + return links.resolvedJsxType = emptyObjectType; + } + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + // Props is of type 'any' or unknown + return links.resolvedJsxType = attributesType; + } + else if (attributesType.flags & 16384 /* Union */) { + // Props cannot be a union type + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return links.resolvedJsxType = anyType; + } + else { + // Normal case -- add in IntrinsicClassElements and IntrinsicElements + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return links.resolvedJsxType = apparentAttributesType; + } + } + } + else if (links.jsxFlags & 1 /* IntrinsicNamedElement */) { + return links.resolvedJsxType = getTypeOfSymbol(sym); + } + else if (links.jsxFlags & 2 /* IntrinsicIndexedElement */) { + return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0 /* String */); + } + else { + // Resolution failed, so we don't know + return links.resolvedJsxType = anyType; + } + } + return links.resolvedJsxType; + } + /** + * Given a JSX attribute, returns the symbol for the corresponds property + * of the element attributes type. Will return unknownSymbol for attributes + * that have no matching element attributes type property. + */ + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; + } + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; + } + /// Returns all the properties of the Jsx.IntrinsicElements interface + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; + } + function checkJsxPreconditions(errorNode) { + // Preconditions for using JSX + if ((compilerOptions.jsx || 0 /* None */) === 0 /* None */) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); + } + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + } + } + } + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + // The reactNamespace symbol should be marked as 'used' so we don't incorrectly elide its import. And if there + // is no reactNamespace symbol in scope when targeting React emit, we should issue an error. + var reactRefErr = compilerOptions.jsx === 2 /* React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); + if (reactSym) { + getSymbolLinks(reactSym).referenced = true; + } + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = {}; + // Process this array in right-to-left order so we know which + // attributes (mostly from spreads) are being overwritten and + // thus should have their types ignored + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 241 /* JsxAttribute */) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); + } + else { + ts.Debug.assert(node.attributes[i].kind === 242 /* JsxSpreadAttribute */); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; + } + } + } + // Check that all required properties have been provided. If an 'any' + // was spreaded in, though, assume that it provided all required properties + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912 /* Optional */) && + nameTable[targetProperties[i].name] === undefined) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } + } + } + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); + } + else { + return unknownType; + } + } + // If a symbol is a synthesized symbol with no value declaration, we assume it is a property. Example of this are the synthesized + // '.prototype' property as well as synthesized tuple index properties. + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 142 /* PropertyDeclaration */; + } + function getDeclarationFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 /* Prototype */ ? 8 /* Public */ | 64 /* Static */ : 0; + } + /** + * Check whether the requested property access is valid. + * Returns true if node is a valid property access, and false otherwise. + * @param node The node to be checked. + * @param left The left hand side of the property access (e.g.: the super in `super.foo`). + * @param type The type of left. + * @param prop The symbol for the right hand side of the property access. + */ + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + if (left.kind === 95 /* SuperKeyword */) { + var errorNode = node.kind === 169 /* PropertyAccessExpression */ ? + node.name : + node.right; + // TS 1.0 spec (April 2014): 4.8.2 + // - In a constructor, instance member function, instance member accessor, or + // instance member variable initializer where this references a derived class instance, + // a super property access is permitted and must specify a public instance member function of the base class. + // - In a static member function or static member accessor + // where this references the constructor function object of a derived class, + // a super property access is permitted and must specify a public static member function of the base class. + if (languageVersion < 2 /* ES6 */ && getDeclarationKindFromSymbol(prop) !== 144 /* MethodDeclaration */) { + // `prop` refers to a *property* declared in the super class + // rather than a *method*, so it does not satisfy the above criteria. + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; + } + if (flags & 128 /* Abstract */) { + // A method cannot be accessed in a super property access if the method is abstract. + // This error could mask a private property access error. But, a member + // cannot simultaneously be private and abstract, so this will trigger an + // additional error elsewhere. + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; + } + } + // Public properties are otherwise accessible. + if (!(flags & (16 /* Private */ | 32 /* Protected */))) { + return true; + } + // Property is known to be private or protected at this point + // Get the declaring and enclosing class instance types + var enclosingClassDeclaration = ts.getContainingClass(node); + var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; + // Private property is accessible if declaring and enclosing class are the same + if (flags & 16 /* Private */) { + if (declaringClass !== enclosingClass) { + error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; + } + return true; + } + // Property is known to be protected at this point + // All protected properties of a supertype are accessible in a super access + if (left.kind === 95 /* SuperKeyword */) { + return true; + } + // A protected property is accessible in the declaring class and classes derived from it + if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + // No further restrictions for static properties + if (flags & 64 /* Static */) { + return true; + } + // An instance property must be accessed through an instance of the enclosing class + if (type.flags & 33554432 /* ThisType */) { + // get the original type -- represented as the type constraint of the 'this' type + type = getConstraintOfTypeParameter(type); + } + // TODO: why is the first part of this check here? + if (!(getTargetType(type).flags & (1024 /* Class */ | 2048 /* Interface */) && hasBaseType(type, enclosingClass))) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; + } + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + } + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkExpression(left); + if (isTypeAny(type)) { + return type; + } + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType) { + // handle cases when type is Type parameter with invalid constraint + return unknownType; + } + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text) { + error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 /* ThisType */ ? apparentType : type)); + } + return unknownType; + } + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32 /* Class */) { + checkClassPropertyAccess(node, left, apparentType, prop); + } + return getTypeOfSymbol(prop); + } + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 169 /* PropertyAccessExpression */ + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32 /* Class */) { + return checkClassPropertyAccess(node, left, type, prop); + } + } + return true; + } + /** + * Return the symbol of the for-in variable declared or referenced by the given for-in statement. + */ + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 215 /* VariableDeclarationList */) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); + } + } + else if (initializer.kind === 69 /* Identifier */) { + return getResolvedSymbol(initializer); + } + return undefined; + } + /** + * Return true if the given type is considered to have numeric property names. + */ + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1 /* Number */) && !getIndexTypeOfType(type, 0 /* String */); + } + /** + * Return true if given node is an expression consisting of an identifier (possibly parenthesized) + * that references a for-in variable for an object with numeric property names. + */ + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 69 /* Identifier */) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3 /* Variable */) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 203 /* ForInStatement */ && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; + } + child = node; + node = node.parent; + } + } + } + return false; + } + function checkIndexedAccess(node) { + // Grammar checking + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } + } + // Obtain base constraint such that we can bail out if the constraint is an unknown type + var objectType = getApparentType(checkExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType) { + return unknownType; + } + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9 /* StringLiteral */)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; + } + // TypeScript 1.0 spec (April 2014): 4.10 Property Access + // - If IndexExpr is a string literal or a numeric literal and ObjExpr's apparent type has a property with the name + // given by that literal(converted to its string representation in the case of a numeric literal), the property access is of the type of that property. + // - Otherwise, if ObjExpr's apparent type has a numeric index signature and IndexExpr is of type Any, the Number primitive type, or an enum type, + // the property access is of the type of that index signature. + // - Otherwise, if ObjExpr's apparent type has a string index signature and IndexExpr is of type Any, the String or Number primitive type, or an enum type, + // the property access is of the type of that index signature. + // - Otherwise, if IndexExpr is of type Any, the String or Number primitive type, or an enum type, the property access is of type Any. + // See if we can index as a property. + if (node.argumentExpression) { + var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_11 !== undefined) { + var prop = getPropertyOfType(objectType, name_11); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); + return unknownType; + } + } + } + // Check for compatible indexer types. + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { + // Try to use a number indexer. + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132 /* NumberLike */) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexType = getIndexTypeOfType(objectType, 1 /* Number */); + if (numberIndexType) { + return numberIndexType; + } + } + // Try to use string indexing. + var stringIndexType = getIndexTypeOfType(objectType, 0 /* String */); + if (stringIndexType) { + return stringIndexType; + } + // Fall back to any. + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1 /* Number */) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + } + return anyType; + } + // REVIEW: Users should know the type that was actually used. + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + /** + * If indexArgumentExpression is a string literal or number literal, returns its text. + * If indexArgumentExpression is a constant value, returns its string value. + * If indexArgumentExpression is a well known symbol, returns the property name corresponding + * to this symbol, as long as it is a proper symbol reference. + * Otherwise, returns undefined. + */ + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 /* StringLiteral */ || indexArgumentExpression.kind === 8 /* NumericLiteral */) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 170 /* ElementAccessExpression */ || indexArgumentExpression.kind === 169 /* PropertyAccessExpression */) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); + } + } + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, /*reportError*/ false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; + } + /** + * A proper symbol reference requires the following: + * 1. The property access denotes a property that exists + * 2. The expression is of the form Symbol. + * 3. The property access is of the primitive type symbol. + * 4. Symbol in this context resolves to the global Symbol object + */ + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + // There is already an error, so no need to report one. + return false; + } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + // Make sure the property type is the primitive symbol type + if ((expressionType.flags & 16777216 /* ESSymbol */) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + } + return false; + } + // The name is Symbol., so make sure Symbol actually resolves to the + // global Symbol object + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + // Already errored when we tried to look up the symbol + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + } + return false; + } + return true; + } + function resolveUntypedCall(node) { + if (node.kind === 173 /* TaggedTemplateExpression */) { + checkExpression(node.template); + } + else if (node.kind !== 140 /* Decorator */) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); + } + return anySignature; + } + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + // Re-order candidate signatures into the result array. Assumes the result array to be empty. + // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order + // A nit here is that we reorder only signatures that belong to the same symbol, + // so order how inherited signatures are processed is still preserved. + // interface A { (x: string): void } + // interface B extends A { (x: 'foo'): string } + // const b: B; + // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void] + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_6 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_6 === lastParent) { + index++; + } + else { + lastParent = parent_6; + index = cutoffIndex; + } + } + else { + // current declaration belongs to a different symbol + // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex + index = cutoffIndex = result.length; + lastParent = parent_6; + } + lastSymbol = symbol; + // specialized signatures always need to be placed before non-specialized signatures regardless + // of the cutoff position; see GH#1133 + if (signature.hasStringLiterals) { + specializedIndex++; + spliceIndex = specializedIndex; + // The cutoff index always needs to be greater than or equal to the specialized signature index + // in order to prevent non-specialized signatures from being added before a specialized + // signature. + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); + } + } + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 188 /* SpreadElementExpression */) { + return i; + } + } + return -1; + } + function hasCorrectArity(node, args, signature) { + var adjustedArgCount; // Apparent number of arguments we will have in this call + var typeArguments; // Type arguments (undefined if none) + var callIsIncomplete; // In incomplete call we want to be lenient when we have too few arguments + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 173 /* TaggedTemplateExpression */) { + var tagExpression = node; + // Even if the call is incomplete, we'll have a missing expression as our last argument, + // so we can say the count is just the arg list length + adjustedArgCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 186 /* TemplateExpression */) { + // If a tagged template expression lacks a tail literal, the call is incomplete. + // Specifically, a template only can end in a TemplateTail or a Missing literal. + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); // we should always have at least one span. + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + // If the template didn't end in a backtick, or its beginning occurred right prior to EOF, + // then this might actually turn out to be a TemplateHead in the future; + // so we consider the call to be incomplete. + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 11 /* NoSubstitutionTemplateLiteral */); + callIsIncomplete = !!templateLiteral.isUnterminated; + } + } + else if (node.kind === 140 /* Decorator */) { + isDecorator = true; + typeArguments = undefined; + adjustedArgCount = getEffectiveArgumentCount(node, /*args*/ undefined, signature); + } + else { + var callExpression = node; + if (!callExpression.arguments) { + // This only happens when we have something of the form: 'new C' + ts.Debug.assert(callExpression.kind === 172 /* NewExpression */); + return signature.minArgumentCount === 0; + } + // For IDE scenarios we may have an incomplete call, so a trailing comma is tantamount to adding another argument. + adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; + // If we are missing the close paren, the call is incomplete. + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); + } + // If the user supplied type arguments, but the number of type arguments does not match + // the declared number of type parameters, the call has an incorrect arity. + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + // If spread arguments are present, check that they correspond to a rest parameter. If so, no + // further checking is necessary. + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + // Too many arguments implies incorrect arity. + if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { + return false; + } + // If the call is incomplete, we should skip the lower bound check. + var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; + } + // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. + function getSingleCallSignature(type) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { + return resolved.callSignatures[0]; + } + } + return undefined; + } + // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec) + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature.typeParameters, /*inferUnionTypes*/ true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + // Type parameters from outer context referenced by source type are fixed by instantiation of the source type + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + // Clear out all the inference results from the last time inferTypeArguments was called on this context + for (var i = 0; i < typeParameters.length; i++) { + // As an optimization, we don't have to clear (and later recompute) inferred types + // for type parameters that have already been fixed on the previous call to inferTypeArguments. + // It would be just as correct to reset all of them. But then we'd be repeating the same work + // for the type parameters that were fixed, namely the work done by getInferredType. + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; + } + } + // On this call to inferTypeArguments, we may get more inferences for certain type parameters that were not + // fixed last time. This means that a type parameter that failed inference last time may succeed this time, + // or vice versa. Therefore, the failedTypeParameterIndex is useless if it points to an unfixed type parameter, + // because it may change. So here we reset it. However, getInferredType will not revisit any type parameters + // that were previously fixed. So if a fixed type parameter failed previously, it will fail again because + // it will contain the exact same set of inferences. So if we reset the index from a fixed type parameter, + // we will lose information that we won't recover this time around. + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; + } + // We perform two passes over the arguments. In the first pass we infer from all arguments, but use + // wildcards for all context sensitive function expressions. + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. + if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + // If the effective argument type is 'undefined', there is no synthetic type + // for the argument. In that case, we should check the argument. + if (argType === undefined) { + // For context sensitive arguments we pass the identityMapper, which is a signal to treat all + // context sensitive function expressions as wildcards + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); + } + } + // In the second pass we visit only context sensitive arguments, and only those that aren't excluded, this + // time treating function expressions normally (which may cause previously inferred type arguments to be fixed + // as we construct types for contextually typed parameters) + // Decorators will not have `excludeArgument`, as their arguments cannot be contextually typed. + // Tagged template expressions will always have `undefined` for `excludeArgument[0]`. + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + // No need to check for omitted args and template expressions, their exlusion value is always undefined + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } + } + getInferredTypes(context); + } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable /* so far */) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; + } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); + } + } + } + return typeArgumentsAreAssignable; + } + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. + if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { + // Check spread elements against rest type (from arity check we know spread argument corresponds to a rest parameter) + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + // If the effective argument type is 'undefined', there is no synthetic type + // for the argument. In that case, we should check the argument. + if (argType === undefined) { + argType = arg.kind === 9 /* StringLiteral */ && !reportErrors + ? getStringLiteralTypeForText(arg.text) + : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); + } + // Use argument expression as error location when reporting errors + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; + } + } + } + return true; + } + /** + * Returns the effective arguments for an expression that works like a function invocation. + * + * If 'node' is a CallExpression or a NewExpression, then its argument list is returned. + * If 'node' is a TaggedTemplateExpression, a new argument list is constructed from the substitution + * expressions, where the first element of the list is `undefined`. + * If 'node' is a Decorator, the argument list will be `undefined`, and its arguments and types + * will be supplied from calls to `getEffectiveArgumentCount` and `getEffectiveArgumentType`. + */ + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 173 /* TaggedTemplateExpression */) { + var template = node.template; + args = [undefined]; + if (template.kind === 186 /* TemplateExpression */) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 140 /* Decorator */) { + // For a decorator, we return undefined as we will determine + // the number and types of arguments for a decorator using + // `getEffectiveArgumentCount` and `getEffectiveArgumentType` below. + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; + } + /** + * Returns the effective argument count for a node that works like a function invocation. + * If 'node' is a Decorator, the number of arguments is derived from the decoration + * target and the signature: + * If 'node.target' is a class declaration or class expression, the effective argument + * count is 1. + * If 'node.target' is a parameter declaration, the effective argument count is 3. + * If 'node.target' is a property declaration, the effective argument count is 2. + * If 'node.target' is a method or accessor declaration, the effective argument count + * is 3, although it can be 2 if the signature only accepts two arguments, allowing + * us to match a property decorator. + * Otherwise, the argument count is the length of the 'args' array. + */ + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 140 /* Decorator */) { + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // A class decorator will have one argument (see `ClassDecorator` in core.d.ts) + return 1; + case 142 /* PropertyDeclaration */: + // A property declaration decorator will have two arguments (see + // `PropertyDecorator` in core.d.ts) + return 2; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + // A method or accessor declaration decorator will have two or three arguments (see + // `PropertyDecorator` and `MethodDecorator` in core.d.ts) + // If we are emitting decorators for ES3, we will only pass two arguments. + if (languageVersion === 0 /* ES3 */) { + return 2; + } + // If the method decorator signature only accepts a target and a key, we will only + // type check those arguments. + return signature.parameters.length >= 3 ? 3 : 2; + case 139 /* Parameter */: + // A parameter declaration decorator will have three arguments (see + // `ParameterDecorator` in core.d.ts) + return 3; + } + } + else { + return args.length; + } + } + /** + * Returns the effective type of the first argument to a decorator. + * If 'node' is a class declaration or class expression, the effective argument type + * is the type of the static side of the class. + * If 'node' is a parameter declaration, the effective argument type is either the type + * of the static or instance side of the class for the parameter's parent method, + * depending on whether the method is declared static. + * For a constructor, the type is always the type of the static side of the class. + * If 'node' is a property, method, or accessor declaration, the effective argument + * type is the type of the static or instance side of the parent class for class + * element, depending on whether the element is declared static. + */ + function getEffectiveDecoratorFirstArgumentType(node) { + // The first argument to a decorator is its `target`. + if (node.kind === 217 /* ClassDeclaration */) { + // For a class decorator, the `target` is the type of the class (e.g. the + // "static" or "constructor" side of the class) + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + if (node.kind === 139 /* Parameter */) { + // For a parameter decorator, the `target` is the parent type of the + // parameter's containing method. + node = node.parent; + if (node.kind === 145 /* Constructor */) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // For a property or method decorator, the `target` is the + // "static"-side type of the parent of the member if the member is + // declared "static"; otherwise, it is the "instance"-side type of the + // parent of the member. + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective type for the second argument to a decorator. + * If 'node' is a parameter, its effective argument type is one of the following: + * If 'node.parent' is a constructor, the effective argument type is 'any', as we + * will emit `undefined`. + * If 'node.parent' is a member with an identifier, numeric, or string literal name, + * the effective argument type will be a string literal type for the member name. + * If 'node.parent' is a computed property name, the effective argument type will + * either be a symbol type or the string type. + * If 'node' is a member with an identifier, numeric, or string literal name, the + * effective argument type will be a string literal type for the member name. + * If 'node' is a computed property name, the effective argument type will either + * be a symbol type or the string type. + * A class decorator does not have a second argument type. + */ + function getEffectiveDecoratorSecondArgumentType(node) { + // The second argument to a decorator is its `propertyKey` + if (node.kind === 217 /* ClassDeclaration */) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 139 /* Parameter */) { + node = node.parent; + if (node.kind === 145 /* Constructor */) { + // For a constructor parameter decorator, the `propertyKey` will be `undefined`. + return anyType; + } + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // The `propertyKey` for a property or method decorator will be a + // string literal type if the member name is an identifier, number, or string; + // otherwise, if the member name is a computed property name it will + // be either string or symbol. + var element = node; + switch (element.name.kind) { + case 69 /* Identifier */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + return getStringLiteralTypeForText(element.name.text); + case 137 /* ComputedPropertyName */: + var nameType = checkComputedPropertyName(element.name); + if (allConstituentTypesHaveKind(nameType, 16777216 /* ESSymbol */)) { + return nameType; + } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; + } + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective argument type for the third argument to a decorator. + * If 'node' is a parameter, the effective argument type is the number type. + * If 'node' is a method or accessor, the effective argument type is a + * `TypedPropertyDescriptor` instantiated with the type of the member. + * Class and property decorators do not have a third effective argument. + */ + function getEffectiveDecoratorThirdArgumentType(node) { + // The third argument to a decorator is either its `descriptor` for a method decorator + // or its `parameterIndex` for a paramter decorator + if (node.kind === 217 /* ClassDeclaration */) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 139 /* Parameter */) { + // The `parameterIndex` for a parameter decorator is always a number + return numberType; + } + if (node.kind === 142 /* PropertyDeclaration */) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // The `descriptor` for a method decorator will be a `TypedPropertyDescriptor` + // for the type of the member. + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective argument type for the provided argument to a decorator. + */ + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); + } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; + } + /** + * Gets the effective argument type for an argument in a call expression. + */ + function getEffectiveArgumentType(node, argIndex, arg) { + // Decorators provide special arguments, a tagged template expression provides + // a special first argument, and string literals get string literal types + // unless we're reporting errors + if (node.kind === 140 /* Decorator */) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { + return globalTemplateStringsArrayType; + } + // This is not a synthetic argument, so we return 'undefined' + // to signal that the caller needs to check the argument. + return undefined; + } + /** + * Gets the effective argument expression for an argument in a call expression. + */ + function getEffectiveArgument(node, args, argIndex) { + // For a decorator or the first argument of a tagged template expression we return undefined. + if (node.kind === 140 /* Decorator */ || + (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */)) { + return undefined; + } + return args[argIndex]; + } + /** + * Gets the error node to use when reporting errors for an effective argument. + */ + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 140 /* Decorator */) { + // For a decorator, we use the expression of the decorator for error reporting. + return node.expression; + } + else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { + // For a the first argument of a tagged template expression, we use the template of the tag for error reporting. + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 173 /* TaggedTemplateExpression */; + var isDecorator = node.kind === 140 /* Decorator */; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + // We already perform checking on the type arguments on the class declaration itself. + if (node.expression.kind !== 95 /* SuperKeyword */) { + ts.forEach(typeArguments, checkSourceElement); + } + } + var candidates = candidatesOutArray || []; + // reorderCandidates fills up the candidates array directly + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + // The following applies to any value of 'excludeArgument[i]': + // - true: the argument at 'i' is susceptible to a one-time permanent contextual typing. + // - undefined: the argument at 'i' is *not* susceptible to permanent contextual typing. + // - false: the argument at 'i' *was* and *has been* permanently contextually typed. + // + // The idea is that we will perform type argument inference & assignability checking once + // without using the susceptible parameters that are functions, and once more for each of those + // parameters, contextually typing each as we go along. + // + // For a tagged template, then the first argument be 'undefined' if necessary + // because it represents a TemplateStringsArray. + // + // For a decorator, no arguments are susceptible to contextual typing due to the fact + // decorators are applied to a declaration by the emitter, and not to an expression. + var excludeArgument; + if (!isDecorator) { + // We do not need to call `getEffectiveArgumentCount` here as it only + // applies when calculating the number of arguments for a decorator. + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); + } + excludeArgument[i] = true; + } + } + } + // The following variables are captured and modified by calls to chooseOverload. + // If overload resolution or type argument inference fails, we want to report the + // best error possible. The best error is one which says that an argument was not + // assignable to a parameter. This implies that everything else about the overload + // was fine. So if there is any overload that is only incorrect because of an + // argument, we will report an error on that one. + // + // function foo(s: string) {} + // function foo(n: number) {} // Report argument error on this overload + // function foo() {} + // foo(true); + // + // If none of the overloads even made it that far, there are two possibilities. + // There was a problem with type arguments for some overload, in which case + // report an error on that. Or none of the overloads even had correct arity, + // in which case give an arity error. + // + // function foo(x: T, y: T) {} // Report type argument inference error + // function foo() {} + // foo(0, true); + // + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + // Section 4.12.1: + // if the candidate list contains one or more signatures for which the type of each argument + // expression is a subtype of each corresponding parameter type, the return type of the first + // of those signatures becomes the return type of the function call. + // Otherwise, the return type of the first signature in the candidate list becomes the return + // type of the function call. + // + // Whether the call is an error is determined by assignability of the arguments. The subtype pass + // is just important for choosing the best signature. So in the case where there is only one + // signature, the subtype pass is useless. So skipping it is an optimization. + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation); + } + if (!result) { + // Reinitialize these pointers for round two + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation); + } + if (result) { + return result; + } + // No signatures were applicable. Now report errors based on the last applicable signature with + // no arguments excluded from assignability checks. + // If candidate is undefined, it means that no candidates had a suitable arity. In that case, + // skip the checkApplicableSignature check. + if (candidateForArgumentError) { + // excludeArgument is undefined, in this case also equivalent to [undefined, undefined, ...] + // The importance of excludeArgument is to prevent us from typing function expression parameters + // in arguments too early. If possible, we'd like to only type them once we know the correct + // overload. However, this matters for the case where the call is correct. When the call is + // an error, we don't need to exclude any arguments, although it would cause no harm to do so. + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true); + } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), /*reportErrors*/ true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(/*details*/ undefined, // details will be provided by call to reportNoCommonSupertypeError + ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); + } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); + } + } + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + // No signature was applicable. We have already reported the errors for the invalid signature. + // If this is a type resolution session, e.g. Language Service, try to get better information that anySignature. + // Pick the first candidate that matches the arity. This way we can get a contextual type for cases like: + // declare function f(a: { xa: number; xb: number; }); + // f({ | + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); + } + return candidate; + } + } + } + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + } + function chooseOverload(candidates, relation) { + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate)) { + continue; + } + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate.typeParameters, /*inferUnionTypes*/ false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, /*reportErrors*/ false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); + } + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, /*reportErrors*/ false)) { + break; + } + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; + } + excludeArgument[index] = false; + } + // A post-mortem of this iteration of the loop. The signature was not applicable, + // so we want to track it as a candidate for reporting an error. If the candidate + // had no type parameters, or had no issues related to type arguments, we can + // report an error based on the arguments. If there was an issue with type + // arguments, then we can only report an error based on the type arguments. + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; + } + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } + } + } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } + } + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 95 /* SuperKeyword */) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated + // with the type arguments specified in the extends clause. + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); + } + return resolveUntypedCall(node); + } + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including call signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + var constructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */); + // TS 1.0 spec: 4.12 + // If FuncExpr is of type Any, or of an object type that has no call or construct signatures + // but is a subtype of the Function interface, the call is an untyped function call. In an + // untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual + // types are provided for the argument expressions, and the result is always of type Any. + // We exclude union types because we may have a union of function types that happen to have + // no common signatures. + if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { + // The unknownType indicates that an error already occured (and was reported). No + // need to report another error in this case. + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call. + // TypeScript employs overload resolution in typed function calls in order to support functions + // with multiple call signatures. + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + } + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1 /* ES5 */) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); + } + } + var expressionType = checkExpression(node.expression); + // If expressionType's apparent type(section 3.8.1) is an object type with one or + // more construct signatures, the expression is processed in the same manner as a + // function call, but using the construct signatures as the initial set of candidate + // signatures for overload resolution. The result type of the function call becomes + // the result type of the operation. + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + // If the expression is a class of abstract type, then it cannot be instantiated. + // Note, only class declarations can be declared abstract. + // In the case of a merged class-module or class-interface declaration, + // only the class declaration node will have the Abstract flag set. + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && valueDecl.flags & 128 /* Abstract */) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); + } + // TS 1.0 spec: 4.11 + // If expressionType is of type Any, Args can be any argument + // list and the result of the operation is of type Any. + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including construct signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */); + if (constructSignatures.length) { + return resolveCall(node, constructSignatures, candidatesOutArray); + } + // If expressionType's apparent type is an object type with no construct signatures but + // one or more call signatures, the expression is processed as a function call. A compile-time + // error occurs if the result of the function call is not Void. The type of the result of the + // operation is Any. + var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + } + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384 /* Union */) && isTypeAssignableTo(tagType, globalFunctionType))) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + /** + * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression. + */ + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 139 /* Parameter */: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 142 /* PropertyDeclaration */: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + } + } + /** + * Resolves a decorator as if it were a call expression. + */ + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + // candidatesOutArray is passed by signature help in the language service, and collectCandidates + // must fill it up with the appropriate candidate signatures + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + // If getResolvedSignature has already been called, we will have cached the resolvedSignature. + // However, it is possible that either candidatesOutArray was not passed in the first time, + // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work + // to correctly fill the candidatesOutArray. + if (!links.resolvedSignature || candidatesOutArray) { + links.resolvedSignature = anySignature; + if (node.kind === 171 /* CallExpression */) { + links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); + } + else if (node.kind === 172 /* NewExpression */) { + links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); + } + else if (node.kind === 173 /* TaggedTemplateExpression */) { + links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); + } + else if (node.kind === 140 /* Decorator */) { + links.resolvedSignature = resolveDecorator(node, candidatesOutArray); + } + else { + ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); + } + } + return links.resolvedSignature; + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, /*stringIndexType*/ undefined, /*numberIndexType*/ undefined); + } + return links.inferredClassType; + } + /** + * Syntactically and semantically checks a call or new expression. + * @param node The call/new expression to be checked. + * @returns On success, the expression's signature's return type. On failure, anyType. + */ + function checkCallExpression(node) { + // Grammar checking; stop grammar-checking if checkGrammarTypeArguments return true + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 95 /* SuperKeyword */) { + return voidType; + } + if (node.kind === 172 /* NewExpression */) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 145 /* Constructor */ && + declaration.kind !== 149 /* ConstructSignature */ && + declaration.kind !== 154 /* ConstructorType */ && + !ts.isJSDocConstructSignature(declaration)) { + // When resolved signature is a call signature (and not a construct signature) the result type is any, unless + // the declaring function had members created through 'x.prototype.y = expr' or 'this.y = expr' psuedodeclarations + // in a JS file + var funcSymbol = checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 /* Function */)) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + // In JavaScript files, calls to any identifier 'require' are treated as external module imports + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + // Permit 'number[] | "foo"' to be asserted to 'string'. + var bothAreStringLike = someConstituentTypeHasKind(targetType, 258 /* StringLike */) && + someConstituentTypeHasKind(widenedType, 258 /* StringLike */); + if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { + checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); + } + } + return targetType; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push + // the destructured type into the contained binding elements. + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + if (element.name.kind === 69 /* Identifier */) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); + } + assignBindingElementTypes(element); + } + } + } + } + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + // Even if the parameter already has a type, it might be because it was given a type while + // processing the function as an argument to a prior signature during overload resolution. + // If this was the case, it may have caused some type parameters to be fixed. So here, + // we need to ensure that type parameters at the same positions get fixed again. This is + // done by calling instantiateType to attach the mapper to the contextualType, and then + // calling inferTypes to force a walk of contextualType so that all the correct fixing + // happens. The choice to pass in links.type may seem kind of arbitrary, but it serves + // to make sure that all the correct positions in contextualType are reached by the walk. + // Here is an example: + // + // interface Base { + // baseProp; + // } + // interface Derived extends Base { + // toBase(): Base; + // } + // + // var derived: Derived; + // + // declare function foo(x: T, func: (p: T) => T): T; + // declare function foo(x: T, func: (p: T) => T): T; + // + // var result = foo(derived, d => d.toBase()); + // + // We are typing d while checking the second overload. But we've already given d + // a type (Derived) from the first overload. However, we still want to fix the + // T in the second overload so that we do not infer Base as a candidate for T + // (inferring Base would make type argument inference inconsistent between the two + // overloads). + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + // creates a `Promise` type where `T` is the promisedType argument + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); + } + return emptyObjectType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 195 /* Block */) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which we will wrap in + // the native Promise type later in this function. + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); + } + return iterableIteratorAny; + } + } + else { + types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); + if (types.length === 0) { + if (isAsync) { + // For an async function, the return type will not be void, but rather a Promise for void. + var promiseType = createPromiseType(voidType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return voidType; + } + } + } + // When yield/return statements are contextually typed we allow the return type to be a union type. + // Otherwise we require the yield/return expressions to have a best common supertype. + type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); + if (!type) { + if (funcIsGenerator) { + error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); + return createIterableIteratorType(unknownType); + } + else { + error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); + // Defer to unioning the return types so we get a) downstream errors earlier and b) better Salsa experience + return getUnionType(types); + } + } + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } + } + if (!contextualSignature) { + reportErrorsFromWidening(func, type); + } + var widenedType = getWidenedType(type); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body is awaited type of the body, wrapped in a native Promise type. + var promiseType = createPromiseType(widenedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return widenedType; + } + } + function checkAndAggregateYieldOperandTypes(body, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + // A yield* expression effectively yields everything that its operand yields + type = checkElementTypeOfIterable(type, yieldExpression.expression); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { + var aggregatedTypes = []; + ts.forEachReturnStatement(body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which should be wrapped in + // the native Promise type by the caller. + type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + /** + * TypeScript Specification 1.0 (6.3) - July 2014 + * An explicitly typed function whose return type isn't the Void type, + * the Any type, or a union type containing the Void or Any type as a constituent + * must have at least one return statement somewhere in its body. + * An exception to this rule is if the function implementation consists of a single 'throw' statement. + * + * @param returnType - return type of the function, can be undefined if return type is not explicitly specified + */ + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { + return; + } + // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions. + if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384 /* Union */) && someConstituentTypeHasKind(returnType, 1 /* Any */ | 16 /* Void */))) { + return; + } + // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check. + // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw + if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 /* Block */ || !(func.flags & 524288 /* HasImplicitReturn */)) { + return; + } + var hasExplicitReturn = func.flags & 1048576 /* HasExplicitReturn */; + if (returnType && !hasExplicitReturn) { + // minimal check: function has syntactic return type annotation and no explicit return statements in the body + // this function does not conform to the specification. + // NOTE: having returnType !== undefined is a precondition for entering this branch so func.type will always be present + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); + } + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + // If return type annotation is omitted check if function has any explicit return statements. + // If it does not have any - its inferred return type is void - don't do any checks. + // Otherwise get inferred return type from function body and report error only if it is not void / anytype + var inferredReturnType = hasExplicitReturn + ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) + : voidType; + if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { + return; + } + } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + // Grammar checking + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 176 /* FunctionExpression */) { + checkGrammarForGenerator(node); + } + // The identityMapper object is used to indicate that function expressions are wildcards + if (contextualMapper === identityMapper && isContextSensitive(node)) { + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + // Check if function expression is contextually typed and assign parameter types if so. + // See the comment in assignTypeToParameterAndFixTypeParameters to understand why we need to + // check mightFixTypeParameters. + if (mightFixTypeParameters || !(links.flags & 1024 /* ContextChecked */)) { + var contextualSignature = getContextualSignature(node); + // If a type check is started at a function expression that is an argument of a function call, obtaining the + // contextual type may recursively get back to here during overload resolution of the call. If so, we will have + // already assigned contextual types. + var contextChecked = !!(links.flags & 1024 /* ContextChecked */); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024 /* ContextChecked */; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0 /* Call */)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; + } + } + } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } + } + } + if (produceDiagnostics && node.kind !== 144 /* MethodDeclaration */ && node.kind !== 143 /* MethodSignature */) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + } + return type; + } + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + // return is not necessary in the body of generators + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (node.body) { + if (!node.type) { + // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors + // we need. An example is the noImplicitAny errors resulting from widening the return expression + // of a function. Because checking of function expression bodies is deferred, there was never an + // appropriate time to do this during the main walk of the file (see the comment at the top of + // checkFunctionExpressionBodies). So it must be done now. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 195 /* Block */) { + checkSourceElement(node.body); + } + else { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so we + // should not be checking assignability of a promise to the return type. Instead, we need to + // check assignability of the awaited type of the expression body against the promised type of + // its return type annotation. + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } + } + } + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132 /* NumberLike */)) { + error(operand, diagnostic); + return false; + } + return true; + } + function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { + function findSymbol(n) { + var symbol = getNodeLinks(n).resolvedSymbol; + // Because we got the symbol from the resolvedSymbol property, it might be of kind + // SymbolFlags.ExportValue. In this case it is necessary to get the actual export + // symbol, which will have the correct flags set on it. + return symbol && getExportSymbolOfValueSymbolIfExported(symbol); + } + function isReferenceOrErrorExpression(n) { + // TypeScript 1.0 spec (April 2014): + // Expressions are classified as values or references. + // References are the subset of expressions that are permitted as the target of an assignment. + // Specifically, references are combinations of identifiers(section 4.3), parentheses(section 4.7), + // and property accesses(section 4.10). + // All other expression constructs described in this chapter are classified as values. + switch (n.kind) { + case 69 /* Identifier */: { + var symbol = findSymbol(n); + // TypeScript 1.0 spec (April 2014): 4.3 + // An identifier expression that references a variable or parameter is classified as a reference. + // An identifier expression that references any other kind of entity is classified as a value(and therefore cannot be the target of an assignment). + return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3 /* Variable */) !== 0; + } + case 169 /* PropertyAccessExpression */: { + var symbol = findSymbol(n); + // TypeScript 1.0 spec (April 2014): 4.10 + // A property access expression is always classified as a reference. + // NOTE (not in spec): assignment to enum members should not be allowed + return !symbol || symbol === unknownSymbol || (symbol.flags & ~8 /* EnumMember */) !== 0; + } + case 170 /* ElementAccessExpression */: + // old compiler doesn't check indexed access + return true; + case 175 /* ParenthesizedExpression */: + return isReferenceOrErrorExpression(n.expression); + default: + return false; + } + } + function isConstVariableReference(n) { + switch (n.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: { + var symbol = findSymbol(n); + return symbol && (symbol.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384 /* Const */) !== 0; + } + case 170 /* ElementAccessExpression */: { + var index = n.argumentExpression; + var symbol = findSymbol(n.expression); + if (symbol && index && index.kind === 9 /* StringLiteral */) { + var name_12 = index.text; + var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); + return prop && (prop.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384 /* Const */) !== 0; + } + return false; + } + case 175 /* ParenthesizedExpression */: + return isConstVariableReference(n.expression); + default: + return false; + } + } + if (!isReferenceOrErrorExpression(n)) { + error(n, invalidReferenceMessage); + return false; + } + if (isConstVariableReference(n)) { + error(n, constantVariableMessage); + return false; + } + return true; + } + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; + } + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedType; + } + function checkAwaitExpression(node) { + // Grammar checking + if (produceDiagnostics) { + if (!(node.parserContextFlags & 8 /* Await */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); + } + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + switch (node.operator) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + if (someConstituentTypeHasKind(operandType, 16777216 /* ESSymbol */)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 49 /* ExclamationToken */: + return booleanType; + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + return unknownType; + } + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + // Just like isTypeOfKind below, except that it returns true if *any* constituent + // has this kind. + function someConstituentTypeHasKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152 /* UnionOrIntersection */) { + var types = type.types; + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var current = types_10[_i]; + if (current.flags & kind) { + return true; + } + } + return false; + } + return false; + } + // Return true if type has the given flags, or is a union or intersection type composed of types that all have those flags. + function allConstituentTypesHaveKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152 /* UnionOrIntersection */) { + var types = type.types; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var current = types_11[_i]; + if (!(current.flags & kind)) { + return false; + } + } + return true; + } + return false; + } + function isConstEnumObjectType(type) { + return type.flags & (80896 /* ObjectType */ | 65536 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); + } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128 /* ConstEnum */) !== 0; + } + function checkInstanceOfExpression(left, right, leftType, rightType) { + // TypeScript 1.0 spec (April 2014): 4.15.4 + // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, + // and the right operand to be of type Any or a subtype of the 'Function' interface type. + // The result is always of the Boolean primitive type. + // NOTE: do not raise error if leftType is unknown as related error was already reported + if (allConstituentTypesHaveKind(leftType, 16777726 /* Primitive */)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + // NOTE: do not raise error if right is unknown as related error was already reported + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + } + return booleanType; + } + function checkInExpression(left, right, leftType, rightType) { + // TypeScript 1.0 spec (April 2014): 4.15.5 + // The in operator requires the left operand to be of type Any, the String primitive type, or the Number primitive type, + // and the right operand to be of type Any, an object type, or a type parameter type. + // The result is always of the Boolean primitive type. + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); + } + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + return booleanType; + } + function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { + var properties = node.properties; + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var p = properties_3[_i]; + if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { + var name_13 = p.name; + if (name_13.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(name_13); + } + if (isComputedNonLiteralName(name_13)) { + continue; + } + var text = getTextOfPropertyName(name_13); + var type = isTypeAny(sourceType) + ? sourceType + : getTypeOfPropertyOfType(sourceType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1 /* Number */) || + getIndexTypeOfType(sourceType, 0 /* String */); + if (type) { + if (p.kind === 249 /* ShorthandPropertyAssignment */) { + checkDestructuringAssignment(p, type); + } + else { + // non-shorthand property assignments should always have initializers + checkDestructuringAssignment(p.initializer, type); + } + } + else { + error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); + } + } + else { + error(p, ts.Diagnostics.Property_assignment_expected); + } + } + return sourceType; + } + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var elementType = checkIteratedTypeOrElementType(sourceType, node, /*allowStringInput*/ false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190 /* OmittedExpression */) { + if (e.kind !== 188 /* SpreadElementExpression */) { + var propName = "" + i; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + checkDestructuringAssignment(e, type, contextualMapper); + } + else { + if (isTupleType(sourceType)) { + error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); + } + else { + error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + } + } + } + else { + if (i < elements.length - 1) { + error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + else { + var restExpression = e.expression; + if (restExpression.kind === 184 /* BinaryExpression */ && restExpression.operatorToken.kind === 56 /* EqualsToken */) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } + } + } + } + } + return sourceType; + } + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 249 /* ShorthandPropertyAssignment */) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; + } + else { + target = exprOrAssignment; + } + if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { + checkBinaryExpression(target, contextualMapper); + target = target.left; + } + if (target.kind === 168 /* ObjectLiteralExpression */) { + return checkObjectLiteralAssignment(target, sourceType, contextualMapper); + } + if (target.kind === 167 /* ArrayLiteralExpression */) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + } + return checkReferenceAssignment(target, sourceType, contextualMapper); + } + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { + checkTypeAssignableTo(sourceType, targetType, target, /*headMessage*/ undefined); + } + return sourceType; + } + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); + } + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 56 /* EqualsToken */ && (left.kind === 168 /* ObjectLiteralExpression */ || left.kind === 167 /* ArrayLiteralExpression */)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 37 /* AsteriskToken */: + case 38 /* AsteriskAsteriskToken */: + case 59 /* AsteriskEqualsToken */: + case 60 /* AsteriskAsteriskEqualsToken */: + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + case 40 /* PercentToken */: + case 62 /* PercentEqualsToken */: + case 36 /* MinusToken */: + case 58 /* MinusEqualsToken */: + case 43 /* LessThanLessThanToken */: + case 63 /* LessThanLessThanEqualsToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 47 /* BarToken */: + case 67 /* BarEqualsToken */: + case 48 /* CaretToken */: + case 68 /* CaretEqualsToken */: + case 46 /* AmpersandToken */: + case 66 /* AmpersandEqualsToken */: + // TypeScript 1.0 spec (April 2014): 4.19.1 + // These operators require their operands to be of type Any, the Number primitive type, + // or an enum type. Operands of an enum type are treated + // as having the primitive type Number. If one operand is the null or undefined value, + // it is treated as having the type of the other operand. + // The result is always of the Number primitive type. + if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) + leftType = rightType; + if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) + rightType = leftType; + var suggestedOperator = void 0; + // if a user tries to apply a bitwise operator to 2 boolean operands + // try and return them a helpful suggestion + if ((leftType.flags & 8 /* Boolean */) && + (rightType.flags & 8 /* Boolean */) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + // otherwise just check each operand separately and report errors as normal + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); + } + } + return numberType; + case 35 /* PlusToken */: + case 57 /* PlusEqualsToken */: + // TypeScript 1.0 spec (April 2014): 4.19.2 + // The binary + operator requires both operands to be of the Number primitive type or an enum type, + // or at least one of the operands to be of type Any or the String primitive type. + // If one operand is the null or undefined value, it is treated as having the type of the other operand. + if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) + leftType = rightType; + if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) + rightType = leftType; + var resultType = void 0; + if (allConstituentTypesHaveKind(leftType, 132 /* NumberLike */) && allConstituentTypesHaveKind(rightType, 132 /* NumberLike */)) { + // Operands of an enum type are treated as having the primitive type Number. + // If both operands are of the Number primitive type, the result is of the Number primitive type. + resultType = numberType; + } + else { + if (allConstituentTypesHaveKind(leftType, 258 /* StringLike */) || allConstituentTypesHaveKind(rightType, 258 /* StringLike */)) { + // If one or both operands are of the String primitive type, the result is of the String primitive type. + resultType = stringType; + } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + // Otherwise, the result is of type Any. + // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we. + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + // Symbols are not allowed at all in arithmetic expressions + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 57 /* PlusEqualsToken */) { + checkAssignmentOperator(resultType); + } + return resultType; + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + if (!checkForDisallowedESSymbolOperand(operator)) { + return booleanType; + } + // Fall through + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + // Permit 'number[] | "foo"' to be asserted to 'string'. + if (someConstituentTypeHasKind(leftType, 258 /* StringLike */) && someConstituentTypeHasKind(rightType, 258 /* StringLike */)) { + return booleanType; + } + if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 91 /* InstanceOfKeyword */: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 90 /* InKeyword */: + return checkInExpression(left, right, leftType, rightType); + case 51 /* AmpersandAmpersandToken */: + return rightType; + case 52 /* BarBarToken */: + return getUnionType([leftType, rightType]); + case 56 /* EqualsToken */: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 24 /* CommaToken */: + return rightType; + } + // Return true if there was no error, false if there was an error. + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216 /* ESSymbol */) ? left : + someConstituentTypeHasKind(rightType, 16777216 /* ESSymbol */) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; + } + return true; + } + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 47 /* BarToken */: + case 67 /* BarEqualsToken */: + return 52 /* BarBarToken */; + case 48 /* CaretToken */: + case 68 /* CaretEqualsToken */: + return 33 /* ExclamationEqualsEqualsToken */; + case 46 /* AmpersandToken */: + case 66 /* AmpersandEqualsToken */: + return 51 /* AmpersandAmpersandToken */; + default: + return undefined; + } + } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { + // TypeScript 1.0 spec (April 2014): 4.17 + // An assignment of the form + // VarExpr = ValueExpr + // requires VarExpr to be classified as a reference + // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1) + // and the type of the non - compound operation to be assignable to the type of VarExpr. + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); + // Use default messages + if (ok) { + // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported + checkTypeAssignableTo(valueType, leftType, left, /*headMessage*/ undefined); + } + } + } + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } + } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; + } + current = parent; + parent = parent.parent; + } + return false; + } + function checkYieldExpression(node) { + // Grammar checking + if (produceDiagnostics) { + if (!(node.parserContextFlags & 2 /* Yield */) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + // If the user's code is syntactically correct, the func should always have a star. After all, + // we are in a yield context. + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, /*contextualMapper*/ undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + // There is no point in doing an assignability check if the function + // has no explicit return type because the return type is directly computed + // from the yield expressions. + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, /*headMessage*/ undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, /*headMessage*/ undefined); + } + } + } + } + // Both yield and yield* expressions have type 'any' + return anyType; + } + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getUnionType([type1, type2]); + } + function checkStringLiteralExpression(node) { + var contextualType = getContextualType(node); + if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { + return getStringLiteralTypeForText(node.text); + } + return stringType; + } + function checkTemplateExpression(node) { + // We just want to check each expressions, but we are unconcerned with + // the type of each expression, as any value may be coerced into a string. + // It is worth asking whether this is what we really want though. + // A place where we actually *are* concerned with the expressions' types are + // in tagged templates. + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; + } + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node, contextualMapper); + } + return links.resolvedType; + } + function checkPropertyAssignment(node, contextualMapper) { + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + return checkExpression(node.initializer, contextualMapper); + } + function checkObjectLiteralMethod(node, contextualMapper) { + // Grammar checking + checkGrammarMethod(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; + } + // Checks an expression and returns its type. The contextualMapper parameter serves two purposes: When + // contextualMapper is not undefined and not equal to the identityMapper function object it indicates that the + // expression is being inferentially typed (section 4.12.2 in spec) and provides the type mapper to use in + // conjunction with the generic contextual type. When contextualMapper is equal to the identityMapper function + // object, it serves as an indicator that all contained function and arrow expressions should be considered to + // have the wildcard function type; this form of type check is used during overload resolution to exclude + // contextually typed function and arrow expressions in the initial phase. + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 136 /* QualifiedName */) { + type = checkQualifiedName(node); + } + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + // enum object type for const enums are only permitted in: + // - 'left' in property access + // - 'object' in indexed access + // - target in rhs of import statement + var ok = (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.expression === node) || + (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.expression === node) || + ((node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + } + } + return type; + } + function checkNumericLiteral(node) { + // Grammar checking + checkGrammarNumericLiteral(node); + return numberType; + } + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 69 /* Identifier */: + return checkIdentifier(node); + case 97 /* ThisKeyword */: + return checkThisExpression(node); + case 95 /* SuperKeyword */: + return checkSuperExpression(node); + case 93 /* NullKeyword */: + return nullType; + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + return booleanType; + case 8 /* NumericLiteral */: + return checkNumericLiteral(node); + case 186 /* TemplateExpression */: + return checkTemplateExpression(node); + case 9 /* StringLiteral */: + return checkStringLiteralExpression(node); + case 11 /* NoSubstitutionTemplateLiteral */: + return stringType; + case 10 /* RegularExpressionLiteral */: + return globalRegExpType; + case 167 /* ArrayLiteralExpression */: + return checkArrayLiteral(node, contextualMapper); + case 168 /* ObjectLiteralExpression */: + return checkObjectLiteral(node, contextualMapper); + case 169 /* PropertyAccessExpression */: + return checkPropertyAccessExpression(node); + case 170 /* ElementAccessExpression */: + return checkIndexedAccess(node); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return checkCallExpression(node); + case 173 /* TaggedTemplateExpression */: + return checkTaggedTemplateExpression(node); + case 175 /* ParenthesizedExpression */: + return checkExpression(node.expression, contextualMapper); + case 189 /* ClassExpression */: + return checkClassExpression(node); + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 179 /* TypeOfExpression */: + return checkTypeOfExpression(node); + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return checkAssertion(node); + case 178 /* DeleteExpression */: + return checkDeleteExpression(node); + case 180 /* VoidExpression */: + return checkVoidExpression(node); + case 181 /* AwaitExpression */: + return checkAwaitExpression(node); + case 182 /* PrefixUnaryExpression */: + return checkPrefixUnaryExpression(node); + case 183 /* PostfixUnaryExpression */: + return checkPostfixUnaryExpression(node); + case 184 /* BinaryExpression */: + return checkBinaryExpression(node, contextualMapper); + case 185 /* ConditionalExpression */: + return checkConditionalExpression(node, contextualMapper); + case 188 /* SpreadElementExpression */: + return checkSpreadElementExpression(node, contextualMapper); + case 190 /* OmittedExpression */: + return undefinedType; + case 187 /* YieldExpression */: + return checkYieldExpression(node); + case 243 /* JsxExpression */: + return checkJsxExpression(node); + case 236 /* JsxElement */: + return checkJsxElement(node); + case 237 /* JsxSelfClosingElement */: + return checkJsxSelfClosingElement(node); + case 238 /* JsxOpeningElement */: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + } + return unknownType; + } + // DECLARATION AND STATEMENT TYPE CHECKING + function checkTypeParameter(node) { + // Grammar Checking + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); + } + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + } + } + function checkParameter(node) { + // Grammar checking + // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the + // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code + // or if its FunctionBody is strict code(11.1.5). + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (node.flags & 56 /* AccessibilityModifier */) { + func = ts.getContainingFunction(node); + if (!(func.kind === 145 /* Constructor */ && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + } + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); + } + // Only check rest parameter type if it's not a binding pattern. Since binding patterns are + // not allowed in a rest parameter, we already have an error from checkGrammarParameterList. + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); + } + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; + } + return node.kind === 144 /* MethodDeclaration */ || + node.kind === 216 /* FunctionDeclaration */ || + node.kind === 176 /* FunctionExpression */; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 69 /* Identifier */ && + param.name.text === parameter.text) { + return i; + } + } + } + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + // The parent must not be valid. + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; + } + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; + } + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); + } + else { + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_14 = _a[_i].name; + if (ts.isBindingPattern(name_14) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } + } + } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 177 /* ArrowFunction */: + case 148 /* CallSignature */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 153 /* FunctionType */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + var parent_7 = node.parent; + if (node === parent_7.type) { + return parent_7; + } + } + } + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var name_15 = _a[_i].name; + if (name_15.kind === 69 /* Identifier */ && + name_15.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_15.kind === 165 /* ArrayBindingPattern */ || + name_15.kind === 164 /* ObjectBindingPattern */) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { + return true; + } + } + } + } + function checkSignatureDeclaration(node) { + // Grammar checking + if (node.kind === 150 /* IndexSignature */) { + checkGrammarIndexSignature(node); + } + else if (node.kind === 153 /* FunctionType */ || node.kind === 216 /* FunctionDeclaration */ || node.kind === 154 /* ConstructorType */ || + node.kind === 148 /* CallSignature */ || node.kind === 145 /* Constructor */ || + node.kind === 149 /* ConstructSignature */) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 149 /* ConstructSignature */: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 148 /* CallSignature */: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + } + } + if (node.type) { + if (languageVersion >= 2 /* ES6 */ && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + // Naively, one could check that IterableIterator is assignable to the return type annotation. + // However, that would not catch the error in the following case. + // + // interface BadGenerator extends Iterable, Iterator { } + // function* g(): BadGenerator { } // Iterable and Iterator have different types! + // + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } + } + } + checkSpecializedSignatureDeclaration(node); + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 218 /* InterfaceDeclaration */) { + var nodeSymbol = getSymbolOfNode(node); + // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration + // to prevent this run check only for the first declaration of a given kind + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; + } + } + // TypeScript 1.0 spec (April 2014) + // 3.7.4: An object type can contain at most one string index signature and one numeric index signature. + // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 130 /* StringKeyword */: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 128 /* NumberKeyword */: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } + } + } + } + } + function checkPropertyDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + // Grammar checking + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration + checkFunctionOrMethodDeclaration(node); + // Abstract methods cannot have an implementation. + // Extra checks are to avoid reporting multiple errors relating to the "abstractness" of the node. + if (node.flags & 128 /* Abstract */ && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + } + function checkConstructorDeclaration(node) { + // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function. + checkSignatureDeclaration(node); + // Grammar check for checking only related to constructoDeclaration + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); + } + // exit early in the case of signature - super checks are not relevant to them + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function markThisReferencesAsErrors(n) { + if (n.kind === 97 /* ThisKeyword */) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 176 /* FunctionExpression */ && n.kind !== 216 /* FunctionDeclaration */) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 142 /* PropertyDeclaration */ && + !(n.flags & 64 /* Static */) && + !!n.initializer; + } + // TS 1.0 spec (April 2014): 8.3.2 + // Constructors of classes with no extends clause may not contain super calls, whereas + // constructors of derived classes must contain at least one super call somewhere in their function body. + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + // The first statement in the body of a constructor (excluding prologue directives) must be a super call + // if both of the following are true: + // - The containing class is a derived class. + // - The constructor declares parameter properties + // or the containing class declares instance member variables with initializers. + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return p.flags & (8 /* Public */ | 16 /* Private */ | 32 /* Protected */); }); + // Skip past any prologue directives to find the first statement + // to ensure that it was a super call. + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 198 /* ExpressionStatement */ && ts.isSuperCallExpression(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); + } + } + } + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + // Grammar checking accessors + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 146 /* GetAccessor */) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288 /* HasImplicitReturn */)) { + if (node.flags & 1048576 /* HasExplicitReturn */) { + if (compilerOptions.noImplicitReturns) { + error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + else { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); + } + } + } + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + // TypeScript 1.0 spec (April 2014): 8.4.3 + // Accessors for the same member name must specify the same accessibility. + var otherKind = node.kind === 146 /* GetAccessor */ ? 147 /* SetAccessor */ : 146 /* GetAccessor */; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if (((node.flags & 56 /* AccessibilityModifier */) !== (otherAccessor.flags & 56 /* AccessibilityModifier */))) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + var currentAccessorType = getAnnotatedAccessorType(node); + var otherAccessorType = getAnnotatedAccessorType(otherAccessor); + // TypeScript 1.0 spec (April 2014): 4.5 + // If both accessors include type annotations, the specified types must be identical. + if (currentAccessorType && otherAccessorType) { + if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { + error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + } + } + } + } + getTypeOfAccessors(getSymbolOfNode(node)); + } + if (node.parent.kind !== 168 /* ObjectLiteralExpression */) { + checkSourceElement(node.body); + } + else { + checkNodeDeferred(node); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); + mapper = createTypeMapper(typeParameters, typeArguments); + } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + } + return result; + } + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType && node.typeArguments) { + // Do type argument local checks only if referenced type is successfully resolved + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 /* TypeAlias */ ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + } + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkArrayType(node) { + checkSourceElement(node.elementType); + } + function checkTupleType(node) { + // Grammar checking + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + } + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (node.flags & 16 /* Private */) && ts.isInAmbientContext(node); + } + function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { + if (!produceDiagnostics) { + return; + } + var signature = getSignatureFromDeclaration(signatureDeclarationNode); + if (!signature.hasStringLiterals) { + return; + } + // TypeScript 1.0 spec (April 2014): 3.7.2.2 + // Specialized signatures are not permitted in conjunction with a function body + if (ts.nodeIsPresent(signatureDeclarationNode.body)) { + error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); + return; + } + // TypeScript 1.0 spec (April 2014): 3.7.2.4 + // Every specialized call or construct signature in an object type must be assignable + // to at least one non-specialized call or construct signature in the same object type + var signaturesToCheck; + // Unnamed (call\construct) signatures in interfaces are inherited and not shadowed so examining just node symbol won't give complete answer. + // Use declaring type to obtain full list of signatures. + if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218 /* InterfaceDeclaration */) { + ts.Debug.assert(signatureDeclarationNode.kind === 148 /* CallSignature */ || signatureDeclarationNode.kind === 149 /* ConstructSignature */); + var signatureKind = signatureDeclarationNode.kind === 148 /* CallSignature */ ? 0 /* Call */ : 1 /* Construct */; + var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); + var containingType = getDeclaredTypeOfSymbol(containingSymbol); + signaturesToCheck = getSignaturesOfType(containingType, signatureKind); + } + else { + signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); + } + for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { + var otherSignature = signaturesToCheck_1[_i]; + if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, /*ignoreReturnTypes*/ false)) { + return; + } + } + error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedNodeFlags(n); + // children of classes (even ambient classes) should not be marked as ambient or export + // because those flags have no useful semantics there. + if (n.parent.kind !== 218 /* InterfaceDeclaration */ && + n.parent.kind !== 217 /* ClassDeclaration */ && + n.parent.kind !== 189 /* ClassExpression */ && + ts.isInAmbientContext(n)) { + if (!(flags & 4 /* Ambient */)) { + // It is nested in an ambient context, which means it is automatically exported + flags |= 2 /* Export */; + } + flags |= 4 /* Ambient */; + } + return flags & flagsToCheck; + } + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; + } + function getCanonicalOverload(overloads, implementation) { + // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration + // Error on all deviations from this canonical set of flags + // The caveat is that if some overloads are defined in lib.d.ts, we don't want to + // report the errors on those. To achieve this, we will say that the implementation is + // the canonical signature only if it is in the same container as the first overload + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + // Error if some overloads have a flag that is not shared by all overloads. To find the + // deviations, we XOR someOverloadFlags with allOverloadFlags + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 2 /* Export */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); + } + else if (deviation & 4 /* Ambient */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); + } + else if (deviation & (16 /* Private */ | 32 /* Protected */)) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + } + else if (deviation & 128 /* Abstract */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); + } + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); + } + }); + } + } + var flagsToCheck = 2 /* Export */ | 4 /* Ambient */ | 16 /* Private */ | 32 /* Protected */ | 128 /* Abstract */; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + // We may be here because of some extra junk between overloads that could not be parsed into a valid node. + // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here. + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + // TODO(jfreeman): These are methods, so handle computed name case + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && + (node.flags & 64 /* Static */) !== (subsequentNode.flags & 64 /* Static */); + // we can get here in two cases + // 1. mixed static and instance class members + // 2. something with the same name was defined before the set of overloads that prevents them from merging + // here we'll report error only for the first case since for second we should already report error in binder + if (reportError) { + var diagnostic = node.flags & 64 /* Static */ ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); + } + return; + } + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; + } + } + } + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); + } + else { + // Report different errors regarding non-consecutive blocks of declarations depending on whether + // the node in question is abstract. + if (node.flags & 128 /* Abstract */) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } + } + } + // when checking exported function declarations across modules check only duplicate implementations + // names and consistency of modifiers are verified when we check local symbol + var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536 /* Module */; + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 218 /* InterfaceDeclaration */ || node.parent.kind === 156 /* TypeLiteral */ || inAmbientContext; + if (inAmbientContextOrInterface) { + // check if declarations are consecutive only if they are non-ambient + // 1. ambient declarations can be interleaved + // i.e. this is legal + // declare function foo(); + // declare function bar(); + // declare function foo(); + // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one + previousDeclaration = undefined; + } + if (node.kind === 216 /* FunctionDeclaration */ || node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */ || node.kind === 145 /* Constructor */) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } + } + } + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); + } + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); + } + // Abstract methods can't have an implementation -- in particular, they don't need one. + if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(lastSeenNonAmbientDeclaration.flags & 128 /* Abstract */)) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + } + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + // If the implementation signature has string literals, we will have reported an error in + // checkSpecializedSignatureDeclaration + if (!bodySignature.hasStringLiterals) { + // TypeScript 1.0 spec (April 2014): 6.1 + // If a function declaration includes overloads, the overloads determine the call + // signatures of the type given to the function object + // and the function implementation signature must be assignable to that type + // + // TypeScript 1.0 spec (April 2014): 3.8.4 + // Note that specialized call and construct signatures (section 3.7.2.4) are not significant when determining assignment compatibility + // Consider checking against specialized signatures too. Not doing so creates a type hole: + // + // function g(x: "hi", y: boolean); + // function g(x: string, y: {}); + // function g(x: string, y: string) { } + // + // The implementation is completely unrelated to the specialized signature, yet we do not check this. + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } + } + } + } + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + // if localSymbol is defined on node then node itself is exported - check is required + var symbol = node.localSymbol; + if (!symbol) { + // local symbol is undefined => this declaration is non-exported. + // however symbol might contain other declarations that are exported + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032 /* Export */)) { + // this is a pure local symbol (all declarations are non-exported) - no need to check anything + return; + } + } + // run the check only for the first declaration in the list + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + // we use SymbolFlags.ExportValue, SymbolFlags.ExportType and SymbolFlags.ExportNamespace + // to denote disjoint declarationSpaces (without making new enum type). + var exportedDeclarationSpaces = 0 /* None */; + var nonExportedDeclarationSpaces = 0 /* None */; + var defaultExportedDeclarationSpaces = 0 /* None */; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 /* Export */ | 512 /* Default */); + if (effectiveDeclarationFlags & 2 /* Export */) { + if (effectiveDeclarationFlags & 512 /* Default */) { + defaultExportedDeclarationSpaces |= declarationSpaces; + } + else { + exportedDeclarationSpaces |= declarationSpaces; + } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } + } + // Spaces for anyting not declared a 'default export'. + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + // declaration spaces for exported and non-exported declarations intersect + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + // Only error on the declarations that conributed to the intersecting spaces. + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); + } + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 218 /* InterfaceDeclaration */: + return 2097152 /* ExportType */; + case 221 /* ModuleDeclaration */: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */ + ? 4194304 /* ExportNamespace */ | 1048576 /* ExportValue */ + : 4194304 /* ExportNamespace */; + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + return 2097152 /* ExportType */ | 1048576 /* ExportValue */; + case 224 /* ImportEqualsDeclaration */: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576 /* ExportValue */; + } + } + } + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; + } + return type; + } + /** + * Gets the "promised type" of a promise. + * @param type The type of the promise. + * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback. + */ + function getPromisedType(promise) { + // + // { // promise + // then( // thenFunction + // onfulfilled: ( // onfulfilledParameterType + // value: T // valueParameterType + // ) => any + // ): any; + // } + // + if (promise.flags & 1 /* Any */) { + return undefined; + } + if ((promise.flags & 4096 /* Reference */) && promise.target === tryGetGlobalPromiseType()) { + return promise.typeArguments[0]; + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (thenFunction && (thenFunction.flags & 1 /* Any */)) { + return undefined; + } + var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* Call */) : emptyArray; + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); + if (onfulfilledParameterType.flags & 1 /* Any */) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* Call */); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; + } + var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); + return valueParameterType; + } + function getTypeOfFirstParameterOfSignature(signature) { + return getTypeAtPosition(signature, 0); + } + /** + * Gets the "awaited type" of a type. + * @param type The type to await. + * @remarks The "awaited type" of an expression is its "promised type" if the expression is a + * Promise-like type; otherwise, it is the type of the expression. This is used to reflect + * The runtime behavior of the `await` keyword. + */ + function getAwaitedType(type) { + return checkAwaitedType(type, /*location*/ undefined, /*message*/ undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 16384 /* Union */) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); + } + return getUnionType(types); + } + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + // The type was not a PromiseLike, so it could not be unwrapped any further. + // As long as the type does not have a callable "then" property, it is + // safe to return the type; otherwise, an error will have been reported in + // the call to checkNonThenableType and we will return unknownType. + // + // An example of a non-promise "thenable" might be: + // + // await { then(): void {} } + // + // The "thenable" does not match the minimal definition for a PromiseLike. When + // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise + // will never settle. We treat this as an error to help flag an early indicator + // of a runtime problem. If the user wants to return this value from an async + // function, they would need to wrap it in some other value. If they want it to + // be treated as a promise, they can cast to . + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { + // We have a bad actor in the form of a promise whose promised type is + // the same promise type, or a mutually recursive promise. Return the + // unknown type as we cannot guess the shape. If this were the actual + // case in the JavaScript, this Promise would never resolve. + // + // An example of a bad actor with a singly-recursive promise type might + // be: + // + // interface BadPromise { + // then( + // onfulfilled: (value: BadPromise) => any, + // onrejected: (error: any) => any): BadPromise; + // } + // + // The above interface will pass the PromiseLike check, and return a + // promised type of `BadPromise`. Since this is a self reference, we + // don't want to keep recursing ad infinitum. + // + // An example of a bad actor in the form of a mutually-recursive + // promise type might be: + // + // interface BadPromiseA { + // then( + // onfulfilled: (value: BadPromiseB) => any, + // onrejected: (error: any) => any): BadPromiseB; + // } + // + // interface BadPromiseB { + // then( + // onfulfilled: (value: BadPromiseA) => any, + // onrejected: (error: any) => any): BadPromiseA; + // } + // + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + // Keep track of the type we're about to unwrap to avoid bad recursive promise types. + // See the comments above for more information. + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; + } + } + } + } + /** + * Checks that the return type provided is an instantiation of the global Promise type + * and returns the awaited type of the return type. + * + * @param returnType The return type of a FunctionLikeDeclaration + * @param location The node on which to report the error. + */ + function checkCorrectPromiseType(returnType, location) { + if (returnType === unknownType) { + // The return type already had some other error, so we ignore and return + // the unknown type. + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + // Either we couldn't resolve the global promise type, which would have already + // reported an error, or we could resolve it and the return type is a valid type + // reference to the global type. In either case, we return the awaited type for + // the return type. + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + // The promise type was not a valid type reference to the global promise type, so we + // report an error and return the unknown type. + error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + return unknownType; + } + /** + * Checks the return type of an async function to ensure it is a compatible + * Promise implementation. + * @param node The signature to check + * @param returnType The return type for the function + * @remarks + * This checks that an async function has a valid Promise-compatible return type, + * and returns the *awaited type* of the promise. An async function has a valid + * Promise-compatible return type if the resolved value of the return type has a + * construct signature that takes in an `initializer` function that in turn supplies + * a `resolve` function as one of its arguments and results in an object with a + * callable `then` signature. + */ + function checkAsyncFunctionReturnType(node) { + if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + // If we couldn't resolve the global PromiseConstructorLike type we cannot verify + // compatibility with __awaiter. + return unknownType; + } + // As part of our emit for an async function, we will need to emit the entity name of + // the return type annotation as an expression. To meet the necessary runtime semantics + // for __awaiter, we must also check that the type of the declaration (e.g. the static + // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`. + // + // An example might be (from lib.es6.d.ts): + // + // interface Promise { ... } + // interface PromiseConstructor { + // new (...): Promise; + // } + // declare var Promise: PromiseConstructor; + // + // When an async function declares a return type annotation of `Promise`, we + // need to get the type of the `Promise` variable declaration above, which would + // be `PromiseConstructor`. + // + // The same case applies to a class: + // + // declare class Promise { + // constructor(...); + // then(...): Promise; + // } + // + // When we get the type of the `Promise` symbol here, we get the type of the static + // side of the `Promise` class, which would be `{ new (...): Promise }`. + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + // If we are compiling with isolatedModules, we may not be able to resolve the + // type as a value. As such, we will just return unknownType; + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + return unknownType; + } + // If the Promise constructor, resolved locally, is an alias symbol we should mark it as referenced. + checkReturnTypeAnnotationAsExpression(node); + // Validate the promise constructor type. + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + // Verify there is no local declaration that could collide with the promise constructor. + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455 /* Value */); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + // Get and return the awaited type of the return type. + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + /** Check a decorator */ + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1 /* Any */) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 139 /* Parameter */: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 142 /* PropertyDeclaration */: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + /** Checks a type reference node as an expression. */ + function checkTypeNodeAsExpression(node) { + // When we are emitting type metadata for decorators, we need to try to check the type + // as if it were an expression so that we can emit the type in a value position when we + // serialize the type metadata. + if (node && node.kind === 152 /* TypeReference */) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; + // Resolve type so we know which symbol is referenced + var rootSymbol = resolveName(root, root.text, meaning | 8388608 /* Alias */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + // Resolved symbol is alias + if (rootSymbol && rootSymbol.flags & 8388608 /* Alias */) { + var aliasTarget = resolveAlias(rootSymbol); + // If alias has value symbol - mark alias as referenced + if (aliasTarget.flags & 107455 /* Value */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } + } + } + } + /** + * Checks the type annotation of an accessor declaration or property declaration as + * an expression if it is a type reference to a type with a value declaration. + */ + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + /** Checks the type annotation of the parameters of a function/method or the constructor of a class as expressions */ + function checkParameterTypeAnnotationsAsExpressions(node) { + // ensure all type annotations with a value declaration are checked as an expression + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); + } + } + /** Check the decorators of a node */ + function checkDecorators(node) { + if (!node.decorators) { + return; + } + // skip this check for nodes that cannot have decorators. These should have already had an error reported by + // checkGrammarDecorators. + if (!ts.nodeCanBeDecorated(node)) { + return; + } + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + } + if (compilerOptions.emitDecoratorMetadata) { + // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator. + switch (node.kind) { + case 217 /* ClassDeclaration */: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 142 /* PropertyDeclaration */: + case 139 /* Parameter */: + checkTypeAnnotationAsExpression(node); + break; + } + } + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name && node.name.kind === 137 /* ComputedPropertyName */) { + // This check will account for methods in class/interface declarations, + // as well as accessors in classes/object literals + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + // first we want to check the local symbol that contain this declaration + // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol + // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + // Since the javascript won't do semantic analysis like typescript, + // if the javascript file comes before the typescript file and both contain same name functions, + // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function. + var firstDeclaration = ts.forEach(localSymbol.declarations, + // Get first non javascript function declaration + function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + // run check once for the first declaration + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + // run check on export symbol to check that modifiers agree across all exported declarations + checkFunctionOrConstructorSymbol(symbol); + } + } + } + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + // Report an implicit any error if there is no body, no explicit return type, and node is not a private method + // in an ambient context + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + // A generator with a body and no type annotation can still cause errors. It can error if the + // yielded values have no common supertype, or it can give an implicit any error if it has no + // yielded values. The only way to trigger these errors is to try checking its return type. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + } + } + function checkBlock(node) { + // Grammar checking for SyntaxKind.Block + if (node.kind === 195 /* Block */) { + checkGrammarStatementInAmbientContext(node); + } + ts.forEach(node.statements, checkSourceElement); + } + function checkCollisionWithArgumentsInGeneratedCode(node) { + // no rest parameters \ declaration context \ overload - no codegen impact + if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); + } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 141 /* PropertySignature */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 143 /* MethodSignature */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // it is ok to have member named '_super' or '_this' - member access is always qualified + return false; + } + if (ts.isInAmbientContext(node)) { + // ambient context - no codegen impact + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 139 /* Parameter */ && ts.nodeIsMissing(root.parent.body)) { + // just an overload - no codegen impact + return false; + } + return true; + } + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); + } + } + // this function will run after checking the source file so 'CaptureThis' is correct for all nodes + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4 /* CaptureThis */) { + var isDeclaration_1 = node.kind !== 69 /* Identifier */; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + } + return; + } + current = current.parent; + } + } + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + // bubble up and find containing type + var enclosingClass = ts.getContainingClass(node); + // if containing type was not found or it is ambient - exit (no codegen) + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 69 /* Identifier */; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); + } + } + } + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent)) { + // If the declaration happens to be in external module, report error that require and exports are reserved keywords + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!compilerOptions.noCustomAsyncPromise) { + return; + } + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432 /* HasAsyncFunctions */) { + // If the declaration happens to be in external module, report error that Promise is a reserved identifier. + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + // - ScriptBody : StatementList + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // - Block : { StatementList } + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // Variable declarations are hoisted to the top of their function scope. They can shadow + // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition + // by the binder as the declaration scope is different. + // A non-initialized declaration is a no-op as the block declaration will resolve before the var + // declaration. the problem is if the declaration has an initializer. this will act as a write to the + // block declared value. this is fine for let, but not const. + // Only consider declarations with initializers, uninitialized const declarations will not + // step on a let/const variable. + // Do not consider const and const declarations, as duplicate block-scoped declarations + // are handled by the binder. + // We are only looking for const declarations that step on let\const declarations from a + // different scope. e.g.: + // { + // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration + // const x = 0; // symbol for this declaration will be 'symbol' + // } + // skip block-scoped variables and parameters + if ((ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + // skip variable declarations that don't have initializers + // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern + // so we'll always treat binding elements as initialized + if (node.kind === 214 /* VariableDeclaration */ && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1 /* FunctionScopedVariable */) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3 /* Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) { + if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576 /* BlockScoped */) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215 /* VariableDeclarationList */); + var container = varDeclList.parent.kind === 196 /* VariableStatement */ && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + // names of block-scoped and function scoped variables can collide only + // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting) + var namesShareScope = container && + (container.kind === 195 /* Block */ && ts.isFunctionLike(container.parent) || + container.kind === 222 /* ModuleBlock */ || + container.kind === 221 /* ModuleDeclaration */ || + container.kind === 251 /* SourceFile */); + // here we know that function scoped variable is shadowed by block scoped one + // if they are defined in the same scope - binder has already reported redeclaration error + // otherwise if variable has an initializer - show error that initialization will fail + // since LHS will be block scoped name instead of function scoped + if (!namesShareScope) { + var name_16 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); + } + } + } + } + } + // Check that a parameter initializer contains no references to parameters declared to the right of itself + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 139 /* Parameter */) { + return; + } + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (n.kind === 69 /* Identifier */) { + var referencedSymbol = getNodeLinks(n).resolvedSymbol; + // check FunctionLikeDeclaration.locals (stores parameters\function local variable) + // if it contains entry with a specified name and if this entry matches the resolved symbol + if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455 /* Value */) === referencedSymbol) { + if (referencedSymbol.valueDeclaration.kind === 139 /* Parameter */) { + if (referencedSymbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; + } + if (referencedSymbol.valueDeclaration.pos < node.pos) { + // legal case - parameter initializer references some parameter strictly on left of current parameter declaration + return; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); + } + } + else { + ts.forEachChild(n, visit); + } + } + } + // Check variable, parameter, or property declaration + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + // For a computed property, just check the initializer and exit + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); + } + } + if (node.kind === 166 /* BindingElement */) { + // check computed properties inside property names of binding elements + if (node.propertyName && node.propertyName.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.propertyName); + } + } + // For a binding pattern, check contained binding elements + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); + } + // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body + if (node.initializer && ts.getRootDeclaration(node).kind === 139 /* Parameter */ && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; + } + // For a binding pattern, validate the initializer and exit + if (ts.isBindingPattern(node.name)) { + // Don't validate for-in initializer as it is already an error + if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, /*headMessage*/ undefined); + checkParameterInitializer(node); + } + return; + } + var symbol = getSymbolOfNode(node); + var type = getTypeOfVariableOrParameterOrProperty(symbol); + if (node === symbol.valueDeclaration) { + // Node is the primary declaration of the symbol, just validate the initializer + // Don't validate for-in initializer as it is already an error + if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, /*headMessage*/ undefined); + checkParameterInitializer(node); + } + } + else { + // Node is a secondary declaration, check that type is identical to primary declaration and check that + // initializer is consistent with type associated with the node + var declarationType = getWidenedTypeForVariableLikeDeclaration(node); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + } + if (node.initializer) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, /*headMessage*/ undefined); + } + } + if (node.kind !== 142 /* PropertyDeclaration */ && node.kind !== 141 /* PropertySignature */) { + // We know we don't have a binding pattern or computed name here + checkExportsOnMergedDeclarations(node); + if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { + checkVarDeclaredNamesNotShadowed(node); + } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); + } + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + // We only disallow modifier on a method declaration if it is a property of object-literal-expression + if (node.modifiers && node.parent.kind === 168 /* ObjectLiteralExpression */) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + } + function checkExpressionStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + } + function checkIfStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 197 /* EmptyStatement */) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); + } + checkSourceElement(node.elseStatement); + } + function checkDoStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); + } + function checkWhileStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); + } + function checkForStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { + checkGrammarVariableDeclarationList(node.initializer); + } + } + if (node.initializer) { + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + // Check the LHS and RHS + // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS + // via checkRightHandSideOfForOf. + // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference. + // Then check that the RHS is assignable to it. + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + // There may be a destructuring assignment on the left side + if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { + // iteratedType may be undefined. In this case, we still want to check the structure of + // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like + // to short circuit the type relation checking as much as possible, so we pass the unknownType. + checkDestructuringAssignment(varExpr, iteratedType || unknownType); + } + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, /*invalidReferenceMessage*/ ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, + /*constantVariableMessage*/ ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); + // iteratedType will be undefined if the rightType was missing properties/signatures + // required to get its iteratedType (like [Symbol.iterator] or next). This may be + // because we accessed properties from anyType, or it may have led to an error inside + // getElementTypeOfIterable. + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, /*headMessage*/ undefined); + } + } + } + checkSourceElement(node.statement); + } + function checkForInStatement(node) { + // Grammar checking + checkGrammarForInOrForOfStatement(node); + // TypeScript 1.0 spec (April 2014): 5.4 + // In a 'for-in' statement of the form + // for (let VarDecl in Expr) Statement + // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + checkForInOrForOfVariableDeclaration(node); + } + else { + // In a 'for-in' statement of the form + // for (Var in Expr) Statement + // Var must be an expression classified as a reference of type Any or the String primitive type, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + // run check only former check succeeded to avoid cascading errors + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); + } + } + var rightType = checkExpression(node.expression); + // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved + // in this case error about missing name is already reported - do not report extra one + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + } + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + // checkGrammarForInOrForOfStatement will check that there is exactly one declaration. + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); + } + } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = getTypeOfExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, /*allowStringInput*/ true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2 /* ES6 */) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1 /* Number */); + if (indexType) { + return indexType; + } + } + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + return unknownType; + } + /** + * When errorNode is undefined, it means we should not report any errors. + */ + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + // Now even though we have extracted the iteratedType, we will have to validate that the type + // passed in is actually an Iterable. + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; + } + /** + * We want to treat type as an iterable, and get the type it is an iterable of. The iterable + * must have the following structure (annotated with the names of the variables below): + * + * { // iterable + * [Symbol.iterator]: { // iteratorFunction + * (): Iterator + * } + * } + * + * T is the type we are after. At every level that involves analyzing return types + * of signatures, we union the return types of all the signatures. + * + * Another thing to note is that at any step of this process, we could run into a dead end, + * meaning either the property is missing, or we run into the anyType. If either of these things + * happens, we return undefined to signal that we could not find the iterated type. If a property + * is missing, and the previous step did not result in 'any', then we also give an error if the + * caller requested it. Then the caller can decide what to do in the case where there is no iterated + * type. This is different from returning anyType, because that would signify that we have matched the + * whole pattern and that T (above) is 'any'. + */ + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIterableType) { + typeAsIterable.iterableElementType = type.typeArguments[0]; + } + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0 /* Call */) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; + } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + /** + * This function has very similar logic as getElementTypeOfIterable, except that it operates on + * Iterators instead of Iterables. Here is the structure: + * + * { // iterator + * next: { // iteratorNextFunction + * (): { // iteratorNextResult + * value: T // iteratorNextValue + * } + * } + * } + * + */ + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIteratorType) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; + } + else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0 /* Call */) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; + } + } + return typeAsIterator.iteratorElementType; + } + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; + } + // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIterableIteratorType) { + return type.typeArguments[0]; + } + return getElementTypeOfIterable(type, /*errorNode*/ undefined) || + getElementTypeOfIterator(type, /*errorNode*/ undefined); + } + /** + * This function does the following steps: + * 1. Break up arrayOrStringType (possibly a union) into its string constituents and array constituents. + * 2. Take the element types of the array constituents. + * 3. Return the union of the element types, and string if there was a string constitutent. + * + * For example: + * string -> string + * number[] -> number + * string[] | number[] -> string | number + * string | number[] -> string | number + * string | string[] | number[] -> string | number + * + * It also errors if: + * 1. Some constituent is neither a string nor an array. + * 2. Some constituent is a string and target is less than ES5 (because in ES3 string is not indexable). + */ + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2 /* ES6 */); + // After we remove all types that are StringLike, we will know if there was a string constituent + // based on whether the remaining type is the same as the initial type. + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 16384 /* Union */) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258 /* StringLike */); })); + } + else if (arrayOrStringType.flags & 258 /* StringLike */) { + arrayType = emptyUnionType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1 /* ES5 */) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + // Now that we've removed all the StringLike types, if no constituents remain, then the entire + // arrayOrStringType was a string. + if (arrayType === emptyObjectType) { + return stringType; + } + } + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + // Which error we report depends on whether there was a string constituent. For example, + // if the input type is number | string, we want to say that number is not an array type. + // But if the input was just number, we want to say that number is not an array type + // or a string type. + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1 /* Number */) || unknownType; + if (hasStringConstituent) { + // This is just an optimization for the case where arrayOrStringType is string | string[] + if (arrayElementType.flags & 258 /* StringLike */) { + return stringType; + } + return getUnionType([arrayElementType, stringType]); + } + return arrayElementType; + } + function checkBreakOrContinueStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); + // TODO: Check that target label is valid + } + function isGetAccessorWithAnnotatatedSetAccessor(node) { + return !!(node.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147 /* SetAccessor */))); + } + function checkReturnStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + var exprType = checkExpressionCached(node.expression); + if (func.asteriskToken) { + // A generator does not need its return expressions checked against its return type. + // Instead, the yield expressions are checked against the element type. + // TODO: Check return expressions of generators when return type tracking is added + // for generators. + return; + } + if (func.kind === 147 /* SetAccessor */) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + else if (func.kind === 145 /* Constructor */) { + if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + // If the function has a return type, but promisedType is + // undefined, an error will be reported in checkAsyncFunctionReturnType + // so we don't need to report one here. + checkTypeAssignableTo(awaitedType, promisedType, node.expression); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression); + } + } + } + } + } + function checkWithStatement(node) { + // Grammar checking for withStatement + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.parserContextFlags & 8 /* Await */) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); + } + function checkSwitchStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258 /* StringLike */); + ts.forEach(node.caseBlock.clauses, function (clause) { + // Grammar check for duplicate default clauses, skip if we already report duplicate default clause + if (clause.kind === 245 /* DefaultClause */ && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 244 /* CaseClause */) { + var caseClause = clause; + // TypeScript 1.0 spec (April 2014):5.9 + // In a 'switch' statement, each 'case' expression must be of a type that is assignable to or from the type of the 'switch' expression. + var caseType = checkExpression(caseClause.expression); + var expressionTypeIsAssignableToCaseType = + // Permit 'number[] | "foo"' to be asserted to 'string'. + (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258 /* StringLike */)) || + isTypeAssignableTo(expressionType, caseType); + if (!expressionTypeIsAssignableToCaseType) { + // 'expressionType is not assignable to caseType', try the reversed check and report errors if it fails + checkTypeAssignableTo(caseType, expressionType, caseClause.expression, /*headMessage*/ undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + } + function checkLabeledStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 210 /* LabeledStatement */ && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } + } + // ensure that label is unique + checkSourceElement(node.statement); + } + function checkThrowStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } + } + function checkTryStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + // Grammar checking + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.name.kind !== 69 /* Identifier */) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); + } + else if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var identifierName = catchClause.variableDeclaration.name.text; + var locals = catchClause.block.locals; + if (locals && ts.hasProperty(locals, identifierName)) { + var localSymbol = locals[identifierName]; + if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { + grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } + } + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */); + var stringIndexType = getIndexTypeOfType(type, 0 /* String */); + var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); + }); + if (type.flags & 1024 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + // Only process instance properties with computed names here. + // Static properties cannot be in conflict with indexers, + // and properties with literal names were already checked. + if (!(member.flags & 64 /* Static */) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer + if (!errorNode && (type.flags & 2048 /* Interface */)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + // index is numeric and property name is not valid numeric literal + if (indexKind === 1 /* Number */ && !isNumericName(prop.valueDeclaration.name)) { + return; + } + // perform property check if property or indexer is declared in 'type' + // this allows to rule out cases when both property and indexer are inherited from the base class + var errorNode; + if (prop.valueDeclaration.name.kind === 137 /* ComputedPropertyName */ || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (containingType.flags & 2048 /* Interface */) { + // for interfaces property and indexer might be inherited from different bases + // check if any base class already has both property and indexer. + // check should be performed only if 'type' is the first type that brings property\indexer together + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 /* String */ + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } + } + function checkTypeNameIsReserved(name, message) { + // TS 1.0 spec (April 2014): 3.6.1 + // The predefined type keywords are reserved and cannot be used as names of user defined types. + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } + } + // Check each type parameter and check that list has no duplicate type parameter declarations + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } + } + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + } + function checkClassDeclaration(node) { + if (!node.name && !(node.flags & 512 /* Default */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* Class */)) { + // When the static base type is a "class-like" constructor function (but not actually a class), we verify + // that all instantiated base constructor signatures return the same type. We can simply compare the type + // references (as opposed to checking the structure of the types) because elsewhere we have already checked + // that the base type is a class or interface type (and not, for example, an anonymous object type). + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); + } + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = (t.flags & 4096 /* Reference */) ? t.target : t; + if (declaredType.flags & (1024 /* Class */ | 2048 /* Interface */)) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function getTargetSymbol(s) { + // if symbol is instantiated its flags are not copied from the 'target' + // so we'll need to get back original 'target' symbol to work with correct set of flags + return s.flags & 16777216 /* Instantiated */ ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + // TypeScript 1.0 spec (April 2014): 8.2.3 + // A derived class inherits all members from its base class it doesn't override. + // Inheritance means that a derived class implicitly contains all non - overridden members of the base class. + // Both public and private property members are inherited, but only public property members can be overridden. + // A property member in a derived class is said to override a property member in a base class + // when the derived class property member has the same name and kind(instance or static) + // as the base class property member. + // The type of an overriding property member must be assignable(section 3.8.4) + // to the type of the overridden property member, or otherwise a compile - time error occurs. + // Base class instance member functions can be overridden by derived class instance member functions, + // but not by other kinds of members. + // Base class instance member variables and accessors can be overridden by + // derived class instance member variables and accessors, but not by other kinds of members. + // NOTE: assignability is checked in checkClassDeclaration + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728 /* Prototype */) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + // In order to resolve whether the inherited method was overriden in the base class or not, + // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated* + // type declaration, derived and base resolve to the same symbol even in the case of generic classes. + if (derived === base) { + // derived class inherits base without override/redeclaration + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + // It is an error to inherit an abstract member without implementing it or being declared abstract. + // If there is no declaration for the derived class (as in the case of class expressions), + // then the class cannot be declared abstract. + if (baseDeclarationFlags & 128 /* Abstract */ && (!derivedClassDecl || !(derivedClassDecl.flags & 128 /* Abstract */))) { + if (derivedClassDecl.kind === 189 /* ClassExpression */) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } + } + } + else { + // derived overrides base. + var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 16 /* Private */) || (derivedDeclarationFlags & 16 /* Private */)) { + // either base or derived property is private - not override, skip it + continue; + } + if ((baseDeclarationFlags & 64 /* Static */) !== (derivedDeclarationFlags & 64 /* Static */)) { + // value of 'static' is not the same for properties - not override, skip it + continue; + } + if ((base.flags & derived.flags & 8192 /* Method */) || ((base.flags & 98308 /* PropertyOrAccessor */) && (derived.flags & 98308 /* PropertyOrAccessor */))) { + // method is overridden with method or property/accessor is overridden with property/accessor - correct case + continue; + } + var errorMessage = void 0; + if (base.flags & 8192 /* Method */) { + if (derived.flags & 98304 /* Accessor */) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4 /* Property */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4 /* Property */) { + ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304 /* Accessor */) !== 0); + ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 146 /* GetAccessor */ || kind === 147 /* SetAccessor */; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + // TypeScript 1.0 spec (April 2014): + // When a generic interface has multiple declarations, all declarations must have identical type parameter + // lists, i.e. identical type parameter names with identical constraints in identical order. + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = {}; + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { + var prop = properties_4[_a]; + if (!ts.hasProperty(seen, prop.name)) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var existing = seen[prop.name]; + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); + if (symbol.declarations.length > 1) { + if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); + } + } + // Only check this symbol once + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + // run subsequent checks only if first set succeeded + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkTypeAliasDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384 /* EnumValuesComputed */)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; // set to undefined when enum member is non-constant + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + // In ambient enum declarations that specify no const modifier, enum member declarations + // that omit a value are considered computed members (as opposed to having auto-incremented values assigned). + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + // If the member declaration specifies no value, the member is considered a constant enum member. + // If the member is the first member in the enum declaration, it is assigned the value zero. + // Otherwise, it is assigned the value of the immediately preceding member plus one, + // and an error occurs if the immediately preceding member is not a constant enum member + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; + } + } + nodeLinks.flags |= 16384 /* EnumValuesComputed */; + } + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + // Controls if error should be reported after evaluation of constant value is completed + // Can be false if another more precise error was already reported during evaluation. + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + // Only here do we need to check that the initializer is assignable to the enum type. + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, /*headMessage*/ undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 182 /* PrefixUnaryExpression */: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 35 /* PlusToken */: return value_1; + case 36 /* MinusToken */: return -value_1; + case 50 /* TildeToken */: return ~value_1; + } + return undefined; + case 184 /* BinaryExpression */: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 47 /* BarToken */: return left | right; + case 46 /* AmpersandToken */: return left & right; + case 44 /* GreaterThanGreaterThanToken */: return left >> right; + case 45 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right; + case 43 /* LessThanLessThanToken */: return left << right; + case 48 /* CaretToken */: return left ^ right; + case 37 /* AsteriskToken */: return left * right; + case 39 /* SlashToken */: return left / right; + case 35 /* PlusToken */: return left + right; + case 36 /* MinusToken */: return left - right; + case 40 /* PercentToken */: return left % right; + } + return undefined; + case 8 /* NumericLiteral */: + return +e.text; + case 175 /* ParenthesizedExpression */: + return evalConstant(e.expression); + case 69 /* Identifier */: + case 170 /* ElementAccessExpression */: + case 169 /* PropertyAccessExpression */: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 69 /* Identifier */) { + // unqualified names can refer to member that reside in different declaration of the enum so just doing name resolution won't work. + // instead pick current enum type and later try to fetch member from the type + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 170 /* ElementAccessExpression */) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9 /* StringLiteral */) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; + } + else { + expression = e.expression; + propertyName = e.name.text; + } + // expression part in ElementAccess\PropertyAccess should be either identifier or dottedName + var current = expression; + while (current) { + if (current.kind === 69 /* Identifier */) { + break; + } + else if (current.kind === 169 /* PropertyAccessExpression */) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + // allow references to constant members of other enums + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384 /* Enum */))) { + return undefined; + } + } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8 /* EnumMember */)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + // self references are illegal + if (member === propertyDecl) { + return undefined; + } + // illegal case: forward reference + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; + } + } + } + } + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; + } + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + // Spec 2014 - Section 9.3: + // It isn't possible for one enum declaration to continue the automatic numbering sequence of another, + // and when an enum type has multiple declarations, only one declaration is permitted to omit a value + // for the first member. + // + // Only perform this check once per symbol + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + // check that const is placed\omitted on all enum declarations + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + // return true if we hit a violation of the rule, false otherwise + if (declaration.kind !== 220 /* EnumDeclaration */) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); + } + } + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 217 /* ClassDeclaration */ || + (declaration.kind === 216 /* FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; + } + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); + } + else if (isGlobalSourceFile(container2)) { + return false; + } + else { + return container1 === container2; + } + } + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + // Grammar checking + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9 /* StringLiteral */) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + // The following checks only apply on a non-ambient instantiated module declaration. + if (symbol.flags & 512 /* ValueModule */ + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + // if the module merges with a class declaration in the same lexical scope, + // we need to track this to ensure the correct emit. + var mergedClass = ts.getDeclarationOfKind(symbol, 217 /* ClassDeclaration */); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768 /* LexicalModuleMergesWithClass */; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module) + // otherwise we'll be swamped in cascading errors. + // We can detect if augmentation was applied using following rules: + // - augmentation for a global scope is always applied + // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module). + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* Merged */); + if (checkBody) { + // body of ambient external module is always a module block + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + // Node is not an augmentation and is not located on the script level. + // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited. + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } + } + checkSourceElement(node.body); + } + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 196 /* VariableStatement */: + // error each individual name in variable statement instead of marking the entire variable statement + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 230 /* ExportAssignment */: + case 231 /* ExportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 224 /* ImportEqualsDeclaration */: + if (node.moduleReference.kind !== 9 /* StringLiteral */) { + error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + break; + } + // fallthrough + case 225 /* ImportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 166 /* BindingElement */: + case 214 /* VariableDeclaration */: + var name_17 = node.name; + if (ts.isBindingPattern(name_17)) { + for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { + var el = _c[_b]; + // mark individual names in binding pattern + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + // fallthrough + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 216 /* FunctionDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 219 /* TypeAliasDeclaration */: + var symbol = getSymbolOfNode(node); + if (symbol) { + // module augmentations cannot introduce new names on the top level scope of the module + // this is done it two steps + // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error + // 2. main check - report error if value declaration of the parent symbol is module augmentation) + var reportError = !(symbol.flags & 33554432 /* Merged */); + if (!reportError) { + if (isGlobalAugmentation) { + // global symbol should not have parent since it is not explicitly exported + reportError = symbol.parent !== undefined; + } + else { + // symbol should not originate in augmentation + reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); + } + } + if (reportError) { + error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + } + } + break; + } + } + function getFirstIdentifier(node) { + while (true) { + if (node.kind === 136 /* QualifiedName */) { + node = node.left; + } + else if (node.kind === 169 /* PropertyAccessExpression */) { + node = node.expression; + } + else { + break; + } + } + ts.Debug.assert(node.kind === 69 /* Identifier */); + return node; + } + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9 /* StringLiteral */) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { + error(moduleName, node.kind === 231 /* ExportDeclaration */ ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + // we have already reported errors on top level imports\exports in external module augmentations in checkModuleDeclaration + // no need to do this again. + if (!isTopLevelInExternalModuleAugmentation(node)) { + // TypeScript 1.0 spec (April 2013): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference + // other external modules only through top - level external module names. + // Relative external module names are not permitted. + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; + } + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & 107455 /* Value */ ? 107455 /* Value */ : 0) | + (symbol.flags & 793056 /* Type */ ? 793056 /* Type */ : 0) | + (symbol.flags & 1536 /* Namespace */ ? 1536 /* Namespace */ : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 233 /* ExportSpecifier */ ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } + } + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); + } + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } + } + } + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (node.flags & 2 /* Export */) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455 /* Value */) { + // Target is a value symbol, check that it is not hidden by a local declaration with the same name + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 /* Value */ | 1536 /* Namespace */).flags & 1536 /* Namespace */)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793056 /* Type */) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } + } + else { + if (modulekind === 5 /* ES6 */ && !ts.isInAmbientContext(node)) { + // Import equals declaration is deprecated in es6 or above + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } + } + } + } + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + // If we hit an export in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + // export { x, y } + // export { x, y } from "foo" + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + // export * from "foo" + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } + } + function checkGrammarModuleElementContext(node, errorMessage) { + if (node.parent.kind !== 251 /* SourceFile */ && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 221 /* ModuleDeclaration */) { + return grammarErrorOnFirstToken(node, errorMessage); + } + } + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases) + var symbol = resolveName(exportedName, exportedName.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, + /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); + } + else { + markExportAsReferenced(node); + } + } + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors. + return; + } + var container = node.parent.kind === 251 /* SourceFile */ ? node.parent : node.parent.parent; + if (container.kind === 221 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; + } + // Grammar checking + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + } + if (node.expression.kind === 69 /* Identifier */) { + markExportAsReferenced(node); + } + else { + checkExpressionCached(node.expression); + } + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === 5 /* ES6 */) { + // export assignment is not supported in es6 modules + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === 4 /* System */) { + // system modules does not support export assignment + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); + } + } + } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; + } + } + return false; + } + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } + } + // Checks for export * conflicts + var exports = getExportsOfModule(moduleSymbol); + for (var id in exports) { + if (id === "__export") { + continue; + } + var _a = exports[id], declarations = _a.declarations, flags = _a.flags; + // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. (TS Exceptions: namespaces, function overloads, enums, and interfaces) + if (!(flags & (1536 /* Namespace */ | 64 /* Interface */ | 384 /* Enum */)) && (flags & 524288 /* TypeAlias */ ? declarations.length - 1 : declarations.length) > 1) { + var exportedDeclarations = ts.filter(declarations, isNotOverload); + if (exportedDeclarations.length > 1) { + for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { + var declaration = exportedDeclarations_1[_i]; + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } + } + } + } + links.exportsChecked = true; + } + function isNotOverload(declaration) { + return declaration.kind !== 216 /* FunctionDeclaration */ || !!declaration.body; + } + } + function checkSourceElement(node) { + if (!node) { + return; + } + var kind = node.kind; + if (cancellationToken) { + // Only bother checking on a few construct kinds. We don't want to be excessivly + // hitting the cancellation token on every node we check. + switch (kind) { + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + cancellationToken.throwIfCancellationRequested(); + } + } + switch (kind) { + case 138 /* TypeParameter */: + return checkTypeParameter(node); + case 139 /* Parameter */: + return checkParameter(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return checkPropertyDeclaration(node); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + return checkSignatureDeclaration(node); + case 150 /* IndexSignature */: + return checkSignatureDeclaration(node); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return checkMethodDeclaration(node); + case 145 /* Constructor */: + return checkConstructorDeclaration(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return checkAccessorDeclaration(node); + case 152 /* TypeReference */: + return checkTypeReferenceNode(node); + case 151 /* TypePredicate */: + return checkTypePredicate(node); + case 155 /* TypeQuery */: + return checkTypeQuery(node); + case 156 /* TypeLiteral */: + return checkTypeLiteral(node); + case 157 /* ArrayType */: + return checkArrayType(node); + case 158 /* TupleType */: + return checkTupleType(node); + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return checkUnionOrIntersectionType(node); + case 161 /* ParenthesizedType */: + return checkSourceElement(node.type); + case 216 /* FunctionDeclaration */: + return checkFunctionDeclaration(node); + case 195 /* Block */: + case 222 /* ModuleBlock */: + return checkBlock(node); + case 196 /* VariableStatement */: + return checkVariableStatement(node); + case 198 /* ExpressionStatement */: + return checkExpressionStatement(node); + case 199 /* IfStatement */: + return checkIfStatement(node); + case 200 /* DoStatement */: + return checkDoStatement(node); + case 201 /* WhileStatement */: + return checkWhileStatement(node); + case 202 /* ForStatement */: + return checkForStatement(node); + case 203 /* ForInStatement */: + return checkForInStatement(node); + case 204 /* ForOfStatement */: + return checkForOfStatement(node); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return checkBreakOrContinueStatement(node); + case 207 /* ReturnStatement */: + return checkReturnStatement(node); + case 208 /* WithStatement */: + return checkWithStatement(node); + case 209 /* SwitchStatement */: + return checkSwitchStatement(node); + case 210 /* LabeledStatement */: + return checkLabeledStatement(node); + case 211 /* ThrowStatement */: + return checkThrowStatement(node); + case 212 /* TryStatement */: + return checkTryStatement(node); + case 214 /* VariableDeclaration */: + return checkVariableDeclaration(node); + case 166 /* BindingElement */: + return checkBindingElement(node); + case 217 /* ClassDeclaration */: + return checkClassDeclaration(node); + case 218 /* InterfaceDeclaration */: + return checkInterfaceDeclaration(node); + case 219 /* TypeAliasDeclaration */: + return checkTypeAliasDeclaration(node); + case 220 /* EnumDeclaration */: + return checkEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return checkModuleDeclaration(node); + case 225 /* ImportDeclaration */: + return checkImportDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return checkImportEqualsDeclaration(node); + case 231 /* ExportDeclaration */: + return checkExportDeclaration(node); + case 230 /* ExportAssignment */: + return checkExportAssignment(node); + case 197 /* EmptyStatement */: + checkGrammarStatementInAmbientContext(node); + return; + case 213 /* DebuggerStatement */: + checkGrammarStatementInAmbientContext(node); + return; + case 234 /* MissingDeclaration */: + return checkMissingDeclaration(node); + } + } + // Function and class expression bodies are checked after all statements in the enclosing body. This is + // to ensure constructs like the following are permitted: + // const foo = function () { + // const s = foo(); + // return "hello"; + // } + // Here, performing a full type check of the body of the function expression whilst in the process of + // determining the type of foo would cause foo to be given type any because of the recursive reference. + // Delaying the type check of the body ensures foo has been assigned a type. + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); + } + } + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + checkAccessorDeferred(node); + break; + case 189 /* ClassExpression */: + checkClassExpressionDeferred(node); + break; + } + } + } + function checkSourceFile(node) { + var start = new Date().getTime(); + checkSourceFileWorker(node); + ts.checkTime += new Date().getTime() - start; + } + // Fully type check a source file and collect the relevant diagnostics. + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1 /* TypeChecked */)) { + // Check whether the file has declared it is the default lib, + // and whether the user has specifically chosen to avoid checking it. + if (compilerOptions.skipDefaultLibCheck) { + // If the user specified '--noLib' and a file has a '/// ', + // then we should treat that file as a default lib. + if (node.hasNoDefaultLib) { + return; + } + } + // Grammar checking + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + deferredNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1 /* TypeChecked */; + } + } + function getDiagnostics(sourceFile, ct) { + try { + // Record the cancellation token so it can be checked later on during checkSourceElement. + // Do this in a finally block so we can ensure that it gets reset back to nothing after + // this call is done. + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); + } + finally { + cancellationToken = undefined; + } + } + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); + } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); + } + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); + } + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + } + } + // Language service support + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 208 /* WithStatement */ && node.parent.statement === node) { + return true; + } + node = node.parent; + } + } + return false; + } + function getSymbolsInScope(location, meaning) { + var symbols = {}; + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return []; + } + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 221 /* ModuleDeclaration */: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931 /* ModuleMember */); + break; + case 220 /* EnumDeclaration */: + copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */); + break; + case 189 /* ClassExpression */: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + // fall through; this fall-through is necessary because we would like to handle + // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + // If we didn't come from static member of class or interface, + // add the type parameters into the symbol table + // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol. + // Note: that the memberFlags come from previous iteration. + if (!(memberFlags & 64 /* Static */)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793056 /* Type */); + } + break; + case 176 /* FunctionExpression */: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = location.flags; + location = location.parent; + } + copySymbols(globals, meaning); + } + /** + * Copy the given symbol into symbol tables if the symbol has the given meaning + * and it doesn't already existed in the symbol table + * @param key a key for storing in symbol table; if undefined, use symbol.name + * @param symbol the symbol to be added into symbol table + * @param meaning meaning of symbol to filter by before adding to symbol table + */ + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + // We will copy all symbol regardless of its reserved name because + // symbolsToArray will check whether the key is a reserved name and + // it will not copy symbol with reserved name to the array + if (!ts.hasProperty(symbols, id)) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } + } + } + function isTypeDeclarationName(name) { + return name.kind === 69 /* Identifier */ && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 138 /* TypeParameter */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + return true; + } + } + // True if the given identifier is part of a type reference + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return node.parent && node.parent.kind === 152 /* TypeReference */; + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 169 /* PropertyAccessExpression */) { + node = node.parent; + } + return node.parent && node.parent.kind === 191 /* ExpressionWithTypeArguments */; + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 136 /* QualifiedName */) { + nodeOnRightSide = nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 224 /* ImportEqualsDeclaration */) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 230 /* ExportAssignment */) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; + } + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + } + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); + } + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169 /* PropertyAccessExpression */) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1 /* ExportsProperty */: + case 3 /* PrototypeProperty */: + return getSymbolOfNode(entityName.parent); + case 4 /* ThisProperty */: + case 2 /* ModuleExports */: + return getSymbolOfNode(entityName.parent.parent); + default: + } + } + if (entityName.parent.kind === 230 /* ExportAssignment */) { + return resolveEntityName(entityName, + /*all meanings*/ 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + if (entityName.kind !== 169 /* PropertyAccessExpression */) { + if (isInRightSideOfImportOrExportAssignment(entityName)) { + // Since we already checked for ExportAssignment, this really could only be an Import + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); + } + } + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0 /* None */; + // In an interface or class, we're definitely interested in a type. + if (entityName.parent.kind === 191 /* ExpressionWithTypeArguments */) { + meaning = 793056 /* Type */; + // In a class 'extends' clause we are also looking for a value. + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455 /* Value */; + } + } + else { + meaning = 1536 /* Namespace */; + } + meaning |= 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if ((entityName.parent.kind === 238 /* JsxOpeningElement */) || + (entityName.parent.kind === 237 /* JsxSelfClosingElement */) || + (entityName.parent.kind === 240 /* JsxClosingElement */)) { + return getJsxElementTagSymbol(entityName.parent); + } + else if (ts.isExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + // Missing entity name. + return undefined; + } + if (entityName.kind === 69 /* Identifier */) { + // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead + // return the alias symbol. + var meaning = 107455 /* Value */ | 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if (entityName.kind === 169 /* PropertyAccessExpression */) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 136 /* QualifiedName */) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + } + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = entityName.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; + // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead + // return the alias symbol. + meaning |= 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if (entityName.parent.kind === 241 /* JsxAttribute */) { + return getJsxAttributePropertySymbol(entityName.parent); + } + if (entityName.parent.kind === 151 /* TypePredicate */) { + return resolveEntityName(entityName, /*meaning*/ 1 /* FunctionScopedVariable */); + } + // Do we want to return undefined here? + return undefined; + } + function getSymbolAtLocation(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (ts.isDeclarationName(node)) { + // This is a declaration, call getSymbolOfNode + return getSymbolOfNode(node.parent); + } + if (node.kind === 69 /* Identifier */) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return node.parent.kind === 230 /* ExportAssignment */ + ? getSymbolOfEntityNameOrPropertyAccessExpression(node) + : getSymbolOfPartOfRightHandSideOfImportEquals(node); + } + else if (node.parent.kind === 166 /* BindingElement */ && + node.parent.parent.kind === 164 /* ObjectBindingPattern */ && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } + } + } + switch (node.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 162 /* ThisType */: + return getTypeFromTypeNode(node).symbol; + case 121 /* ConstructorKeyword */: + // constructor keyword for an overload, should take us to the definition if it exist + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 145 /* Constructor */) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9 /* StringLiteral */: + // External module name in an import declaration + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 225 /* ImportDeclaration */ || node.parent.kind === 231 /* ExportDeclaration */) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + // Fall through + case 8 /* NumericLiteral */: + // index access + if (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; + } + return undefined; + } + function getShorthandAssignmentValueSymbol(location) { + // The function returns a value symbol of an identifier in the short-hand property assignment. + // This is necessary as an identifier in short-hand property assignment can contains two meaning: + // property name and property value. + if (location && location.kind === 249 /* ShorthandPropertyAssignment */) { + return resolveEntityName(location.name, 107455 /* Value */ | 8388608 /* Alias */); + } + return undefined; + } + /** Returns the target of an export specifier without following aliases */ + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return unknownType; + } + if (ts.isTypeNode(node)) { + return getTypeFromTypeNode(node); + } + if (ts.isExpression(node)) { + return getTypeOfExpression(node); + } + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the + // extends clause of a class. We handle that case here. + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; + } + if (isTypeDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; + } + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return checkExpression(expr); + } + /** + * Gets either the static or instance type of a class element, based on + * whether the element is declared as "static". + */ + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return node.flags & 64 /* Static */ + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + } + // Return the list of properties of the given type, augmented with properties from Function + // if the type has call or construct signatures + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0 /* Call */).length || getSignaturesOfType(type, 1 /* Construct */).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!ts.hasProperty(propsByName, p.name)) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); + } + function getRootSymbols(symbol) { + if (symbol.flags & 268435456 /* SyntheticProperty */) { + var symbols_3 = []; + var name_18 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_18); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864 /* Transient */) { + var target = getSymbolLinks(symbol).target; + if (target) { + return [target]; + } + } + return [symbol]; + } + // Emitter support + function isArgumentsLocalBinding(node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol) { + // module not found - be conservative + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment + // otherwise it will return moduleSymbol itself + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + // for export assignments - check if resolved symbol for RHS is itself a value + // otherwise - check if at least one export is value + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455 /* Value */) + : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455 /* Value */); + } + } + // When resolved as an expression identifier, if the given node references an exported entity, return the declaration + // node of the exported entity's container. Otherwise, return undefined. + function getReferencedExportContainer(node) { + var symbol = getReferencedValueSymbol(node); + if (symbol) { + if (symbol.flags & 1048576 /* ExportValue */) { + // If we reference an exported entity within the same module declaration, then whether + // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the + // kinds that we do NOT prefix. + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (exportSymbol.flags & 944 /* ExportHasLocal */) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 /* ValueModule */ && parentSymbol.valueDeclaration.kind === 251 /* SourceFile */) { + return parentSymbol.valueDeclaration; + } + for (var n = node.parent; n; n = n.parent) { + if ((n.kind === 221 /* ModuleDeclaration */ || n.kind === 220 /* EnumDeclaration */) && getSymbolOfNode(n) === parentSymbol) { + return n; + } + } + } + } + } + // When resolved as an expression identifier, if the given node references an import, return the declaration of + // that import. Otherwise, return undefined. + function getReferencedImportDeclaration(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && symbol.flags & 8388608 /* Alias */ ? getDeclarationOfAliasSymbol(symbol) : undefined; + } + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418 /* BlockScoped */) { + var links = getSymbolLinks(symbol); + if (links.isDeclaratonWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { + // redeclaration - always should be renamed + links.isDeclaratonWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072 /* CapturedBlockScopedBinding */) { + // binding is captured in the function + // should be renamed if: + // - binding is not top level - top level bindings never collide with anything + // AND + // - binding is not declared in loop, should be renamed to avoid name reuse across siblings + // let a, b + // { let x = 1; a = () => x; } + // { let x = 100; b = () => x; } + // console.log(a()); // should print '1' + // console.log(b()); // should print '100' + // OR + // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body + // * variables from initializer are passed to rewritted loop body as parameters so they are not captured directly + // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus + // they will not collide with anything + var isDeclaredInLoop = nodeLinks_1.flags & 262144 /* BlockScopedBindingInLoop */; + var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false); + var inLoopBodyBlock = container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false); + links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclaratonWithCollidingName = false; + } + } + } + return links.isDeclaratonWithCollidingName; + } + return false; + } + // When resolved as an expression identifier, if the given node references a nested block scoped entity with + // a name that either hides an existing name or might hide it when compiled downlevel, + // return the declaration of that entity. Otherwise, return undefined. + function getReferencedDeclarationWithCollidingName(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; + } + // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an + // existing name or might hide a name when compiled downlevel + function isDeclarationWithCollidingName(node) { + return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); + } + function isValueAliasDeclaration(node) { + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return isAliasResolvedToValue(getSymbolOfNode(node)); + case 231 /* ExportDeclaration */: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 230 /* ExportAssignment */: + return node.expression && node.expression.kind === 69 /* Identifier */ ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; + } + return false; + } + function isTopLevelValueImportEqualsWithEntityName(node) { + if (node.parent.kind !== 251 /* SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) { + // parent is not source file or it is not reference to internal module + return false; + } + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + } + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol && compilerOptions.isolatedModules) { + return true; + } + // const enums and modules that contain only const enums are not considered values from the emit perespective + // unless 'preserveConstEnums' option is set to true + return target !== unknownSymbol && + target && + target.flags & 107455 /* Value */ && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + } + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; + } + function isReferencedAliasDeclaration(node, checkChildren) { + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (getSymbolLinks(symbol).referenced) { + return true; + } + } + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + } + return false; + } + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + // If this function body corresponds to function with multiple signature, it is implementation of overload + // e.g.: function foo(a: string): string; + // function foo(a: number): number; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + return signaturesOfSymbol.length > 1 || + // If there is single signature for the symbol, it is overload if that signature isn't coming from the node + // e.g.: function foo(a: string): string; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + } + return false; + } + function getNodeCheckFlags(node) { + return getNodeLinks(node).flags; + } + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; + } + function getConstantValue(node) { + if (node.kind === 250 /* EnumMember */) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8 /* EnumMember */)) { + // inline property\index accesses only for const enums + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); + } + } + return undefined; + } + function isFunctionType(type) { + return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; + } + function getTypeReferenceSerializationKind(typeName) { + // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. + var valueSymbol = resolveEntityName(typeName, 107455 /* Value */, /*ignoreErrors*/ true); + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer. + var typeSymbol = resolveEntityName(typeName, 793056 /* Type */, /*ignoreErrors*/ true); + // We might not be able to resolve type symbol so use unknown type in that case (eg error case) + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1 /* Any */) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (allConstituentTypesHaveKind(type, 16 /* Void */)) { + return ts.TypeReferenceSerializationKind.VoidType; + } + else if (allConstituentTypesHaveKind(type, 8 /* Boolean */)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (allConstituentTypesHaveKind(type, 132 /* NumberLike */)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (allConstituentTypesHaveKind(type, 258 /* StringLike */)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (allConstituentTypesHaveKind(type, 8192 /* Tuple */)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (allConstituentTypesHaveKind(type, 16777216 /* ESSymbol */)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else { + return ts.TypeReferenceSerializationKind.ObjectType; + } + } + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + // Get type of the symbol if this is the valid symbol otherwise get type at location + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* Signature */)) + ? getTypeOfSymbol(symbol) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getTypeOfExpression(expr); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return ts.hasProperty(globals, name); + } + function getReferencedValueSymbol(reference) { + return getNodeLinks(reference).resolvedSymbol || + resolveName(reference, reference.text, 107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */, + /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined); + } + function getReferencedValueDeclaration(reference) { + ts.Debug.assert(!ts.nodeIsSynthesized(reference)); + var symbol = getReferencedValueSymbol(reference); + return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } + function createResolver() { + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration + }; + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); + if (!moduleSymbol) { + return undefined; + } + return ts.getDeclarationOfKind(moduleSymbol, 251 /* SourceFile */); + } + function initializeTypeChecker() { + // Bind all source files and propagate errors + ts.forEach(host.getSourceFiles(), function (file) { + ts.bindSourceFile(file, compilerOptions); + }); + var augmentations; + // Initialize global symbol table + ts.forEach(host.getSourceFiles(), function (file) { + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + }); + if (augmentations) { + // merge module augmentations. + // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed + for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { + var list = augmentations_1[_i]; + for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { + var augmentation = list_2[_a]; + mergeModuleAugmentation(augmentation); + } + } + } + // Setup global builtins + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + // Initialize special types + globalArrayType = getGlobalType("Array", /*arity*/ 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", /*arity*/ 1); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", /*arity*/ 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056 /* Type */, /*diagnostic*/ undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", /*arity*/ 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + // If we're in ES6 mode, load the TemplateStringsArray. + // Otherwise, default to 'unknown' for the purposes of type checking in LS scenarios. + if (languageVersion >= 2 /* ES6 */) { + globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); + globalESSymbolType = getGlobalType("Symbol"); + globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); + globalIterableType = getGlobalType("Iterable", /*arity*/ 1); + globalIteratorType = getGlobalType("Iterator", /*arity*/ 1); + globalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1); + } + else { + globalTemplateStringsArrayType = unknownType; + // Consider putting Symbol interface in lib.d.ts. On the plus side, putting it in lib.d.ts would make it + // extensible for Polyfilling Symbols. But putting it into lib.d.ts could also break users that have + // a global Symbol already, particularly if it is a class. + globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + globalESSymbolConstructorSymbol = undefined; + globalIterableType = emptyGenericType; + globalIteratorType = emptyGenericType; + globalIterableIteratorType = emptyGenericType; + } + anyArrayType = createArrayType(anyType); + } + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); + } + return emptyObjectType; + } + function createThenableType() { + // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. + var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(65536 /* Anonymous */); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + // GRAMMAR CHECKING + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; + } + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 144 /* MethodDeclaration */ && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } + } + else if (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } + } + return false; + } + function checkGrammarModifiers(node) { + switch (node.kind) { + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + case 221 /* ModuleDeclaration */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + case 230 /* ExportAssignment */: + case 139 /* Parameter */: + break; + case 216 /* FunctionDeclaration */: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118 /* AsyncKeyword */) && + node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 196 /* VariableStatement */: + case 219 /* TypeAliasDeclaration */: + if (node.modifiers && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 220 /* EnumDeclaration */: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74 /* ConstKeyword */) && + node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + default: + return false; + } + if (!node.modifiers) { + return; + } + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + switch (modifier.kind) { + case 74 /* ConstKeyword */: + if (node.kind !== 220 /* EnumDeclaration */ && node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74 /* ConstKeyword */)); + } + break; + case 112 /* PublicKeyword */: + case 111 /* ProtectedKeyword */: + case 110 /* PrivateKeyword */: + var text = void 0; + if (modifier.kind === 112 /* PublicKeyword */) { + text = "public"; + } + else if (modifier.kind === 111 /* ProtectedKeyword */) { + text = "protected"; + lastProtected = modifier; + } + else { + text = "private"; + lastPrivate = modifier; + } + if (flags & 56 /* AccessibilityModifier */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); + } + else if (flags & 128 /* Abstract */) { + if (modifier.kind === 110 /* PrivateKeyword */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 113 /* StaticKeyword */: + if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 64 /* Static */; + lastStatic = modifier; + break; + case 82 /* ExportKeyword */: + if (flags & 2 /* Export */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 4 /* Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 2 /* Export */; + break; + case 122 /* DeclareKeyword */: + if (flags & 4 /* Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222 /* ModuleBlock */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 4 /* Ambient */; + lastDeclare = modifier; + break; + case 115 /* AbstractKeyword */: + if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 217 /* ClassDeclaration */) { + if (node.kind !== 144 /* MethodDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); + } + if (!(node.parent.kind === 217 /* ClassDeclaration */ && node.parent.flags & 128 /* Abstract */)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 16 /* Private */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128 /* Abstract */; + break; + case 118 /* AsyncKeyword */: + if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 4 /* Ambient */ || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256 /* Async */; + lastAsync = modifier; + break; + } + } + if (node.kind === 145 /* Constructor */) { + if (flags & 64 /* Static */) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 32 /* Protected */) { + return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); + } + else if (flags & 16 /* Private */) { + return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + return; + } + else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && flags & 4 /* Ambient */) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + } + else if (node.kind === 139 /* Parameter */ && (flags & 56 /* AccessibilityModifier */) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); + } + if (flags & 256 /* Async */) { + return checkGrammarAsyncModifier(node, lastAsync); + } + } + function checkGrammarAsyncModifier(node, asyncModifier) { + if (languageVersion < 2 /* ES6 */) { + return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); + } + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!node.asteriskToken) { + return false; + } + break; + } + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); + } + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function checkGrammarTypeParameterList(node, typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; + } + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + } + } + function checkGrammarParameterList(parameters) { + if (checkGrammarForDisallowedTrailingComma(parameters)) { + return true; + } + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } + } + } + function checkGrammarFunctionLikeDeclaration(node) { + // Prevent cascading error by short-circuit + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + } + function checkGrammarArrowFunction(node, file) { + if (node.kind === 177 /* ArrowFunction */) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } + } + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + } + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + if (parameter.flags & 1022 /* Modifier */) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + } + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + } + if (parameter.type.kind !== 130 /* StringKeyword */ && parameter.type.kind !== 128 /* NumberKeyword */) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + } + } + function checkGrammarForIndexSignatureModifier(node) { + if (node.flags & 1022 /* Modifier */) { + grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); + } + } + function checkGrammarIndexSignature(node) { + // Prevent cascading error by short-circuit + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); + } + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + } + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { + var arg = args_1[_i]; + if (arg.kind === 190 /* OmittedExpression */) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } + } + function checkGrammarArguments(node, args) { + return checkGrammarForDisallowedTrailingComma(args) || + checkGrammarForOmittedArgument(node, args); + } + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; + } + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83 /* ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83 /* ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + return false; + } + function checkGrammarComputedPropertyName(node) { + // If node is not a computedPropertyName, just skip the grammar checking + if (node.kind !== 137 /* ComputedPropertyName */) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 184 /* BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 24 /* CommaToken */) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } + } + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 216 /* FunctionDeclaration */ || + node.kind === 176 /* FunctionExpression */ || + node.kind === 144 /* MethodDeclaration */); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2 /* ES6 */) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); + } + } + } + function checkGrammarForInvalidQuestionMark(node, questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); + } + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = {}; + var Property = 1; + var GetAccessor = 2; + var SetAccesor = 4; + var GetOrSetAccessor = GetAccessor | SetAccesor; + var _loop_1 = function(prop) { + var name_19 = prop.name; + if (prop.kind === 190 /* OmittedExpression */ || + name_19.kind === 137 /* ComputedPropertyName */) { + // If the name is not a ComputedPropertyName, the grammar checking will skip it + checkGrammarComputedPropertyName(name_19); + return "continue"; + } + if (prop.kind === 249 /* ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) { + // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern + // outside of destructuring it is a syntax error + return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; + } + // Modifiers are never allowed on properties except for 'async' on a method declaration + ts.forEach(prop.modifiers, function (mod) { + if (mod.kind !== 118 /* AsyncKeyword */ || prop.kind !== 144 /* MethodDeclaration */) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + }); + // ECMA-262 11.1.5 Object Initialiser + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = void 0; + if (prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */) { + // Grammar checking for computedPropertName and shorthandPropertyAssignment + checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_19.kind === 8 /* NumericLiteral */) { + checkGrammarNumericLiteral(name_19); + } + currentKind = Property; + } + else if (prop.kind === 144 /* MethodDeclaration */) { + currentKind = Property; + } + else if (prop.kind === 146 /* GetAccessor */) { + currentKind = GetAccessor; + } + else if (prop.kind === 147 /* SetAccessor */) { + currentKind = SetAccesor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + if (!ts.hasProperty(seen, name_19.text)) { + seen[name_19.text] = currentKind; + } + else { + var existingKind = seen[name_19.text]; + if (currentKind === Property && existingKind === Property) { + return "continue"; + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[name_19.text] = currentKind | existingKind; + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; + } + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; + } + } + }; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var state_2 = _loop_1(prop); + if (typeof state_2 === "object") return state_2.value; + if (state_2 === "continue") continue; + } + } + function checkGrammarJsxElement(node) { + var seen = {}; + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 242 /* JsxSpreadAttribute */) { + continue; + } + var jsxAttr = attr; + var name_20 = jsxAttr.name; + if (!ts.hasProperty(seen, name_20.text)) { + seen[name_20.text] = true; + } + else { + return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 243 /* JsxExpression */ && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + } + } + } + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 215 /* VariableDeclarationList */) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + // declarations.length can be zero if there is an error in variable declaration in for-of or for-in + // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details + // For example: + // var let = 10; + // for (let of [1,2,3]) {} // this is invalid ES6 syntax + // for (let in [1,2,3]) {} // this is invalid ES6 syntax + // We will then want to skip on grammar checking on variableList declaration + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } + } + } + return false; + } + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1 /* ES5 */) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); + } + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); + } + else if (accessor.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); + } + else if (kind === 146 /* GetAccessor */ && accessor.parameters.length) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); + } + else if (kind === 147 /* SetAccessor */) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else if (accessor.parameters.length !== 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + } + else if (parameter.flags & 1022 /* Modifier */) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + } + } + } + } + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } + } + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; + } + if (node.parent.kind === 168 /* ObjectLiteralExpression */) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + // Technically, computed properties in ambient contexts is disallowed + // for property declarations and accessors too, not just methods. + // However, property declarations disallow computed names in general, + // and accessors are not allowed in ambient contexts in general, + // so this error only really matters for methods. + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } + } + else if (node.parent.kind === 218 /* InterfaceDeclaration */) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + } + else if (node.parent.kind === 156 /* TypeLiteral */) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + } + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 210 /* LabeledStatement */: + if (node.label && current.label.text === node.label.text) { + // found matching label - verify that label usage is correct + // continue can only target labels that are on iteration statements + var isMisplacedContinueLabel = node.kind === 205 /* ContinueStatement */ + && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 209 /* SwitchStatement */: + if (node.kind === 206 /* BreakStatement */ && !node.label) { + // unlabeled break within switch statement - ok + return false; + } + break; + default: + if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) { + // unlabeled break or continue within iteration statement - ok + return false; + } + break; + } + current = current.parent; + } + if (node.label) { + var message = node.kind === 206 /* BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + else { + var message = node.kind === 206 /* BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + } + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 165 /* ArrayBindingPattern */ || node.name.kind === 164 /* ObjectBindingPattern */) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + // Error on equals token which immediate precedes the initializer + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } + } + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 203 /* ForInStatement */ && node.parent.parent.kind !== 204 /* ForOfStatement */) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + // Error on equals token which immediate precedes the initializer + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + // 1. LexicalDeclaration : LetOrConst BindingList ; + // It is a Syntax Error if the BoundNames of BindingList contains "let". + // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding + // It is a Syntax Error if the BoundNames of ForDeclaration contains "let". + // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code + // and its Identifier is eval or arguments + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); + } + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 69 /* Identifier */) { + if (name.originalKeywordKind === 108 /* LetKeyword */) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } + } + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } + } + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return false; + case 210 /* LabeledStatement */: + return allowLetAndConstDeclarations(parent.parent); + } + return true; + } + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } + } + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; + } + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } + } + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || + checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + } + else if (node.parent.kind === 218 /* InterfaceDeclaration */) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 156 /* TypeLiteral */) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + } + } + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + // A declare modifier is required for any top level .d.ts declaration except export=, export default, + // interfaces and imports categories: + // + // DeclarationElement: + // ExportAssignment + // export_opt InterfaceDeclaration + // export_opt TypeAliasDeclaration + // export_opt ImportDeclaration + // export_opt ExternalImportDeclaration + // export_opt AmbientDeclaration + // + // TODO: The spec needs to be amended to reflect this grammar. + if (node.kind === 218 /* InterfaceDeclaration */ || + node.kind === 219 /* TypeAliasDeclaration */ || + node.kind === 225 /* ImportDeclaration */ || + node.kind === 224 /* ImportEqualsDeclaration */ || + node.kind === 231 /* ExportDeclaration */ || + node.kind === 230 /* ExportAssignment */ || + (node.flags & 4 /* Ambient */) || + (node.flags & (2 /* Export */ | 512 /* Default */))) { + return false; + } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); + } + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 196 /* VariableStatement */) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } + } + } + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + } + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + // An accessors is already reported about the ambient context + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + // Find containing block which is either Block, ModuleBlock, SourceFile + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + // We are either parented by another statement, or some sort of block. + // If we're in a block, we only want to really report an error once + // to prevent noisyness. So use a bit on the block to indicate if + // this has already been reported, and don't report if it has. + // + if (node.parent.kind === 195 /* Block */ || node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + var links_1 = getNodeLinks(node.parent); + // Check if the containing block ever report this error + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } + } + } + function checkGrammarNumericLiteral(node) { + // Grammar checking + if (node.flags & 32768 /* OctalLiteral */ && languageVersion >= 1 /* ES5 */) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + } + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2)); + return true; + } + } + var _a; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var nullSourceMapWriter; + // Used for initialize lastEncodedSourceMapSpan and reset lastEncodedSourceMapSpan when updateLastEncodedAndRecordedSpans + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function getNullSourceMapWriter() { + if (nullSourceMapWriter === undefined) { + nullSourceMapWriter = { + getSourceMapData: function () { return undefined; }, + setSourceFile: function (sourceFile) { }, + emitStart: function (range) { }, + emitEnd: function (range, stopOverridingSpan) { }, + emitPos: function (pos) { }, + changeEmitSourcePos: function () { }, + getText: function () { return undefined; }, + getSourceMappingURL: function () { return undefined; }, + initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, + reset: function () { } + }; + } + return nullSourceMapWriter; + } + ts.getNullSourceMapWriter = getNullSourceMapWriter; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var currentSourceFile; + var sourceMapDir; // The directory in which sourcemap will be + var stopOverridingSpan = false; + var modifyLastSourcePos = false; + // Current source map file and its index in the sources list + var sourceMapSourceIndex; + // Last recorded and encoded spans + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + // Source map data + var sourceMapData; + return { + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitStart: emitStart, + emitEnd: emitEnd, + changeEmitSourcePos: changeEmitSourcePos, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + initialize: initialize, + reset: reset + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (sourceMapData) { + reset(); + } + currentSourceFile = undefined; + // Current source map file and its index in the sources list + sourceMapSourceIndex = -1; + // Last recorded and encoded spans + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + // Initialize source map data + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the + // relative paths of the sources list in the sourcemap + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47 /* slash */) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; + } + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + // For modules or multiple emit files the mapRoot will have directory structure like the sources + // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); + } + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + // The relative paths are relative to the common directory + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath + ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), // this is where user expects to see sourceMap + host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true); + } + else { + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); + } + } + else { + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + } + } + function reset() { + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; + } + function updateLastEncodedAndRecordedSpans() { + if (modifyLastSourcePos) { + // Reset the source pos + modifyLastSourcePos = false; + // Change Last recorded Map with last encoded emit line and character + lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; + lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; + // Pop sourceMapDecodedMappings to remove last entry + sourceMapData.sourceMapDecodedMappings.pop(); + // Point the lastEncodedSourceMapSpace to the previous encoded sourceMapSpan + // If the list is empty which indicates that we are at the beginning of the file, + // we have to reset it to default value (same value when we first initialize sourceMapWriter) + lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? + sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : + defaultLastEncodedSourceMapSpan; + // TODO: Update lastEncodedNameIndex + // Since we dont support this any more, lets not worry about it right now. + // When we start supporting nameIndex, we will get back to this + // Change the encoded source map + var sourceMapMappings = sourceMapData.sourceMapMappings; + var lenthToSet = sourceMapMappings.length - 1; + for (; lenthToSet >= 0; lenthToSet--) { + var currentChar = sourceMapMappings.charAt(lenthToSet); + if (currentChar === ",") { + // Separator for the entry found + break; + } + if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { + // Last line separator found + break; + } + } + sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); + } + } + // Encoding for sourcemap span + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; + } + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + // Line/Comma delimiters + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + // Emit comma to separate the entry + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; + } + } + else { + // Emit line delimiters + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; + } + prevEncodedEmittedColumn = 1; + } + // 1. Relative Column 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + // 2. Relative sourceIndex + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + // 3. Relative sourceLine 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + // 4. Relative sourceColumn 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + // 5. Relative namePosition 0 based + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; + } + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); + } + function emitPos(pos) { + if (pos === -1) { + return; + } + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + // Convert the location to be one-based. + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + // If this location wasn't recorded or the location in source is going backwards, record the span + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + // Encode the last recordedSpan before assigning new + encodeLastRecordedSourceMapSpan(); + // New span + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; + stopOverridingSpan = false; + } + else if (!stopOverridingSpan) { + // Take the new pos instead since there is no change in emittedLine and column since last location + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; + } + updateLastEncodedAndRecordedSpans(); + } + function getStartPos(range) { + var rangeHasDecorators = !!range.decorators; + return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; + } + function emitStart(range) { + emitPos(getStartPos(range)); + } + function emitEnd(range, stopOverridingEnd) { + emitPos(range.end); + stopOverridingSpan = stopOverridingEnd; + } + function changeEmitSourcePos() { + ts.Debug.assert(!modifyLastSourcePos); + modifyLastSourcePos = true; + } + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + // Add the file to tsFilePaths + // If sourceroot option: Use the relative path corresponding to the common directory path + // otherwise source locations relative to map file location + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + // The one that can be used from program to get the actual source file + sourceMapData.inputSourceFileNames.push(sourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(sourceFile.text); + } + } + } + function getText() { + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent + }); + } + function getSourceMappingURL() { + if (compilerOptions.inlineSourceMap) { + // Encode the sourceMap into the sourceMap url + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + else { + return sourceMapData.jsSourceMappingURL; + } + } + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); + } + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + // Add a new least significant bit that has the sign of the value. + // if negative number the least significant bit that gets added to the number has value 1 + // else least significant bit value that gets added is 0 + // eg. -1 changes to binary : 01 [1] => 3 + // +1 changes to binary : 01 [0] => 2 + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; + } + else { + inValue = inValue << 1; + } + // Encode 5 bits at a time starting from least significant bits + var encodedStr = ""; + do { + var currentDigit = inValue & 31; // 11111 + inValue = inValue >> 5; + if (inValue > 0) { + // There are still more digits to decode, set the msb (6th bit) + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); + } + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer = createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + // Contains the reference paths that needs to go in the declaration file. + // Collecting this separately because reference paths need to be first thing in the declaration file + // and we could be collecting these paths from multiple files into single one with --out option + var referencePathsOutput = ""; + // Emit references corresponding to each file + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + // Dont emit for javascript file + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + // Check what references need to be added + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + // Emit reference in dts, if the file reference was not already emitted + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + // Add a reference to generated dts file, + // global file reference is added only + // - if it is not bundled emit (because otherwise it would be self reference) + // - and it is not already added + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + // create asynchronous output for the importDeclarations + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 225 /* ImportDeclaration */); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + // if file was external module with augmentations - this fact should be preserved in .d.ts as well. + // in case if we didn't write any external module specifiers in .d.ts we need to emit something + // that will force compiler to think that this file is an external module - 'export {}' is a reasonable choice here. + write("export {};"); + writeLine(); + } + }); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencePathsOutput: referencePathsOutput + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; + } + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } + } + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); + return writer; + } + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; + } + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 214 /* VariableDeclaration */) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 228 /* NamedImports */ || declaration.kind === 229 /* ImportSpecifier */ || declaration.kind === 226 /* ImportClause */) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + // If the alias was marked as not visible when we saw its declaration, we would have saved the aliasEmitInfo, but if we haven't yet visited the alias declaration + // then we don't need to write it at this point. We will write it when we actually see its declaration + // Eg. + // export function bar(a: foo.Foo) { } + // import foo = require("foo"); + // Writing of function bar would mark alias declaration foo as visible but we haven't yet visited that declaration so do nothing, + // we would write alias foo declaration when we visit it since it would now be marked as visible + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 225 /* ImportDeclaration */) { + // we have to create asynchronous output only after we have collected complete information + // because it is possible to enable multiple bindings as asynchronously visible + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); + } + function handleSymbolAccessibilityError(symbolAccesibilityResult) { + if (symbolAccesibilityResult.accessibility === 0 /* Accessible */) { + // write the aliases + if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); + } + } + else { + // Report error + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + } + } + } + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); + } + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } + } + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + // Write the type + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + errorNameNode = undefined; + } + } + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + // Write the type + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + errorNameNode = undefined; + } + } + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } + } + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } + } + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + } + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + // jsDoc comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, /*trailingSeparator*/ true, newLine, ts.writeCommentRange); + } + } + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); + } + function emitType(type) { + switch (type.kind) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 162 /* ThisType */: + case 163 /* StringLiteralType */: + return writeTextOfNode(currentText, type); + case 191 /* ExpressionWithTypeArguments */: + return emitExpressionWithTypeArguments(type); + case 152 /* TypeReference */: + return emitTypeReference(type); + case 155 /* TypeQuery */: + return emitTypeQuery(type); + case 157 /* ArrayType */: + return emitArrayType(type); + case 158 /* TupleType */: + return emitTupleType(type); + case 159 /* UnionType */: + return emitUnionType(type); + case 160 /* IntersectionType */: + return emitIntersectionType(type); + case 161 /* ParenthesizedType */: + return emitParenType(type); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return emitSignatureDeclarationWithJsDocComments(type); + case 156 /* TypeLiteral */: + return emitTypeLiteral(type); + case 69 /* Identifier */: + return emitEntityName(type); + case 136 /* QualifiedName */: + return emitEntityName(type); + case 151 /* TypePredicate */: + return emitTypePredicate(type); + } + function writeEntityName(entityName) { + if (entityName.kind === 69 /* Identifier */) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 136 /* QualifiedName */ ? entityName.left : entityName.expression; + var right = entityName.kind === 136 /* QualifiedName */ ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } + } + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, + // Aliases can be written asynchronously so use correct enclosing declaration + entityName.parent.kind === 224 /* ImportEqualsDeclaration */ ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + ts.Debug.assert(node.expression.kind === 69 /* Identifier */ || node.expression.kind === 169 /* PropertyAccessExpression */); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); + write("[]"); + } + function emitTupleType(type) { + write("["); + emitCommaList(type.elementTypes, emitType); + write("]"); + } + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); + } + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); + } + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); + } + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); + increaseIndent(); + // write members + emitLines(type.members); + decreaseIndent(); + } + write("}"); + } + } + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true /* remove comments */); + emitLines(node.statements); + } + // Return a temp variable name to be used in `export default` statements. + // The temp name will be of the form _default_counter. + // Note that export default is only allowed at most once in a module, so we + // do not need to keep track of created temp names. + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!ts.hasProperty(currentIdentifiers, baseName)) { + return baseName; + } + var count = 0; + while (true) { + count++; + var name_21 = baseName + "_" + count; + if (!ts.hasProperty(currentIdentifiers, name_21)) { + return name_21; + } + } + } + function emitExportAssignment(node) { + if (node.expression.kind === 69 /* Identifier */) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); + } + else { + // Expression + var tempVarName = getExportDefaultTempVariableName(); + write("declare var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); + } + write(";"); + writeLine(); + // Make all the declarations visible for the export name + if (node.expression.kind === 69 /* Identifier */) { + var nodes = resolver.collectLinkedAliases(node.expression); + // write each of these declarations asynchronously + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic(diagnostic) { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; + } + } + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); + } + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); + } + else if (node.kind === 224 /* ImportEqualsDeclaration */ || + (node.parent.kind === 251 /* SourceFile */ && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251 /* SourceFile */) { + // Import declaration of another module that is visited async so lets put it in right spot + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 225 /* ImportDeclaration */) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + } + } + function writeModuleElement(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + return writeFunctionDeclaration(node); + case 196 /* VariableStatement */: + return writeVariableStatement(node); + case 218 /* InterfaceDeclaration */: + return writeInterfaceDeclaration(node); + case 217 /* ClassDeclaration */: + return writeClassDeclaration(node); + case 219 /* TypeAliasDeclaration */: + return writeTypeAliasDeclaration(node); + case 220 /* EnumDeclaration */: + return writeEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return writeModuleDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return writeImportEqualsDeclaration(node); + case 225 /* ImportDeclaration */: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); + } + } + function emitModuleElementDeclarationFlags(node) { + // If the node is parented in the current source file we need to emit export declare or just export + if (node.parent.kind === 251 /* SourceFile */) { + // If the node is exported + if (node.flags & 2 /* Export */) { + write("export "); + } + if (node.flags & 512 /* Default */) { + write("default "); + } + else if (node.kind !== 218 /* InterfaceDeclaration */ && !noDeclare) { + write("declare "); + } + } + } + function emitClassMemberDeclarationFlags(node) { + if (node.flags & 16 /* Private */) { + write("private "); + } + else if (node.flags & 32 /* Protected */) { + write("protected "); + } + if (node.flags & 64 /* Static */) { + write("static "); + } + if (node.flags & 128 /* Abstract */) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + // note usage of writer. methods instead of aliases created, just to make sure we are using + // correct writer especially to handle asynchronous alias writing + emitJsDocComments(node); + if (node.flags & 2 /* Export */) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); + } + else { + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; + } + } + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 227 /* NamespaceImport */) { + return resolver.isDeclarationVisible(namedBindings); + } + else { + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + } + } + } + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2 /* Export */) { + write("export "); + } + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + // If the default binding was emitted, write the separated + write(", "); + } + if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); + } + else { + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); + } + } + write(" from "); + } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); + } + function emitExternalModuleSpecifier(parent) { + // emitExternalModuleSpecifier is usually called when we emit something in the.d.ts file that will make it an external module (i.e. import/export declarations). + // the only case when it is not true is when we call it to emit correct name for module augmentation - d.ts files with just module augmentations are not considered + // external modules since they are indistingushable from script files with ambient modules. To fix this in such d.ts files we'll emit top level 'export {}' + // so compiler will treat them as external modules. + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221 /* ModuleDeclaration */; + var moduleSpecifier; + if (parent.kind === 224 /* ImportEqualsDeclaration */) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); + } + else if (parent.kind === 221 /* ModuleDeclaration */) { + moduleSpecifier = parent.name; + } + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; + } + if (moduleSpecifier.kind === 9 /* StringLiteral */ && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write("\""); + write(moduleName); + write("\""); + return; + } + } + writeTextOfNode(currentText, moduleSpecifier); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); + } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + // Make all the declarations visible for the export name + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + // write each of these declarations asynchronously + writeAsynchronousModuleElements(nodes); + } + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); + } + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); + } + else { + if (node.flags & 65536 /* Namespace */) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body.kind !== 222 /* ModuleBlock */) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("type "); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); + write(" = "); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); + write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } + } + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } + write("enum "); + writeTextOfNode(currentText, node.name); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + } + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); + } + write(","); + writeLine(); + } + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 144 /* MethodDeclaration */ && (node.parent.flags & 16 /* Private */); + } + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + // If there is constraint present and this is not a type parameter of the private method emit the constraint + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + (node.parent.parent && node.parent.parent.kind === 156 /* TypeLiteral */)) { + ts.Debug.assert(node.parent.kind === 144 /* MethodDeclaration */ || + node.parent.kind === 143 /* MethodSignature */ || + node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + node.parent.kind === 148 /* CallSignature */ || + node.parent.kind === 149 /* ConstructSignature */); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { + // Type parameter constraints are named by user so we should always be able to name it + var diagnosticMessage; + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 218 /* InterfaceDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 149 /* ConstructSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148 /* CallSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.parent.flags & 64 /* Static */) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 216 /* FunctionDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } + } + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); + } + } + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 93 /* NullKeyword */) { + write("null"); + } + function getHeritageClauseVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + // Heritage clause is written by user so it can always be named + if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + // Class or Interface implemented/extended is inaccessible + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + // interface is inaccessible + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } + } + } + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (param.flags & 56 /* AccessibilityModifier */) { + emitPropertyDeclaration(param); + } + }); + } + } + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (node.flags & 128 /* Abstract */) { + write("abstract "); + } + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], /*isImplementsList*/ false); + } + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), /*isImplementsList*/ true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), /*isImplementsList*/ false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(node); + emitVariableDeclaration(node); + write(";"); + writeLine(); + } + function emitVariableDeclaration(node) { + // If we are emitting property it isn't moduleElement and hence we already know it needs to be emitted + // so there is no check needed to see if declaration is visible + if (node.kind !== 214 /* VariableDeclaration */ || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + // If this node is a computed name, it can only be a symbol, because we've already skipped + // it if it's not a well known symbol. In that case, the text of the name will be exactly + // what we want, namely the name expression enclosed in brackets. + writeTextOfNode(currentText, node.name); + // If optional property emit ? + if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && node.parent.kind === 156 /* TypeLiteral */) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.flags & 16 /* Private */)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } + } + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + if (node.kind === 214 /* VariableDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) { + // TODO(jfreeman): Deal with computed properties in error reporting. + if (node.flags & 64 /* Static */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + // Only select non-omitted expression from the bindingPattern's elements. + // We have to do this to avoid emitting trailing commas. + // For example: + // original: var [, c,,] = [ 2,3,4] + // emitted: declare var c: number; // instead of declare var c:number, ; + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, /*type*/ undefined, getBindingElementTypeVisibilityError); + } + } + } + } + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + // if this is property of type literal, + // or is parameter of method/call/construct/index signature of type literal + // emit only if type is specified + if (node.type) { + write(": "); + emitType(node.type); + } + } + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + } + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); + } + else { + write("var "); + } + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); + writeLine(); + } + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(node); + writeTextOfNode(currentText, node.name); + if (!(node.flags & 16 /* Private */)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + // couldn't get type for the first accessor, try the another one + var anotherAccessor = node.kind === 146 /* GetAccessor */ ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); + } + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 146 /* GetAccessor */ + ? accessor.type // Getter - return type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type // Setter parameter type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 147 /* SetAccessor */) { + // Setters have to have type named and cannot infer it so, the type should always be named + if (accessorWithTypeAnnotation.parent.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + // TODO(jfreeman): Investigate why we are passing node.name instead of node.parameters[0].name + typeName: accessorWithTypeAnnotation.name + }; + } + else { + if (accessorWithTypeAnnotation.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; + } + } + } + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + // If we are emitting Method/Constructor it isn't moduleElement and hence already determined to be emitting + // so no need to verify if the declaration is visible + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 216 /* FunctionDeclaration */) { + emitModuleElementDeclarationFlags(node); + } + else if (node.kind === 144 /* MethodDeclaration */) { + emitClassMemberDeclarationFlags(node); + } + if (node.kind === 216 /* FunctionDeclaration */) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 145 /* Constructor */) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } + } + emitSignatureDeclaration(node); + } + } + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + // Construct signature or constructor type write new Signature + if (node.kind === 149 /* ConstructSignature */ || node.kind === 154 /* ConstructorType */) { + write("new "); + } + emitTypeParameters(node.typeParameters); + if (node.kind === 150 /* IndexSignature */) { + write("["); + } + else { + write("("); + } + // Parameters + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 150 /* IndexSignature */) { + write("]"); + } + else { + write(")"); + } + // If this is not a constructor and is not private, emit the return type + var isFunctionTypeOrConstructorType = node.kind === 153 /* FunctionType */ || node.kind === 154 /* ConstructorType */; + if (isFunctionTypeOrConstructorType || node.parent.kind === 156 /* TypeLiteral */) { + // Emit type literal signature return type only if specified + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 145 /* Constructor */ && !(node.flags & 16 /* Private */)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); + writeLine(); + } + function getReturnTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 149 /* ConstructSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148 /* CallSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 150 /* IndexSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 216 /* FunctionDeclaration */: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; + } + } + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + // For bindingPattern, we can't simply writeTextOfNode from the source file + // because we want to omit the initializer and using writeTextOfNode will result in initializer get emitted. + // Therefore, we will have to recursively emit each element in the bindingPattern. + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + } + if (resolver.isOptionalParameter(node)) { + write("?"); + } + decreaseIndent(); + if (node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + node.parent.parent.kind === 156 /* TypeLiteral */) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.parent.flags & 16 /* Private */)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + } + function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + switch (node.parent.kind) { + case 145 /* Constructor */: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 149 /* ConstructSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148 /* CallSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.parent.flags & 64 /* Static */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 216 /* FunctionDeclaration */: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } + } + function emitBindingPattern(bindingPattern) { + // We have to explicitly emit square bracket and bracket because these tokens are not store inside the node. + if (bindingPattern.kind === 164 /* ObjectBindingPattern */) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); + } + else if (bindingPattern.kind === 165 /* ArrayBindingPattern */) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); + } + } + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 190 /* OmittedExpression */) { + // If bindingElement is an omittedExpression (i.e. containing elision), + // we will emit blank space (although this may differ from users' original code, + // it allows emitSeparatedList to write separator appropriately) + // Example: + // original: function foo([, x, ,]) {} + // emit : function foo([ , x, , ]) {} + write(" "); + } + else if (bindingElement.kind === 166 /* BindingElement */) { + if (bindingElement.propertyName) { + // bindingElement has propertyName property in the following case: + // { y: [a,b,c] ...} -> bindingPattern will have a property called propertyName for "y" + // We have to explicitly emit the propertyName before descending into its binding elements. + // Example: + // original: function foo({y: [a,b,c]}) {} + // emit : declare function foo({y: [a, b, c]}: { y: [any, any, any] }) void; + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + // If it is a nested binding pattern, we will recursively descend into each element and emit each one separately. + // In the case of rest element, we will omit rest element. + // Example: + // original: function foo([a, [[b]], c] = [1,[["string"]], 3]) {} + // emit : declare function foo([a, [[b]], c]: [number, [[string]], number]): void; + // original with rest: function foo([a, ...c]) {} + // emit : declare function foo([a, ...c]): void; + emitBindingPattern(bindingElement.name); + } + else { + ts.Debug.assert(bindingElement.name.kind === 69 /* Identifier */); + // If the node is just an identifier, we will simply emit the text associated with the node's name + // Example: + // original: function foo({y = 10, x}) {} + // emit : declare function foo({y, x}: {number, any}): void; + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); + } + } + } + } + } + function emitNode(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 221 /* ModuleDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 218 /* InterfaceDeclaration */: + case 217 /* ClassDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + return emitModuleElement(node, isModuleElementVisible(node)); + case 196 /* VariableStatement */: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 225 /* ImportDeclaration */: + // Import declaration without import clause is visible, otherwise it is not visible + return emitModuleElement(node, /*isModuleElementVisible*/ !node.importClause); + case 231 /* ExportDeclaration */: + return emitExportDeclaration(node); + case 145 /* Constructor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return writeFunctionDeclaration(node); + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 150 /* IndexSignature */: + return emitSignatureDeclarationWithJsDocComments(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return emitAccessorDeclaration(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return emitPropertyDeclaration(node); + case 250 /* EnumMember */: + return emitEnumMemberDeclaration(node); + case 230 /* ExportAssignment */: + return emitExportAssignment(node); + case 251 /* SourceFile */: + return emitSourceFile(node); + } + } + /** + * Adds the reference to referenced file, returns true if global file reference was emitted + * @param referencedFile + * @param addBundledFileReference Determines if global file reference corresponding to bundled file should be emitted or not + */ + function writeReferencePath(referencedFile, addBundledFileReference) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + // Declaration file, use declaration file name + declFileName = referencedFile.fileName; + } + else { + // Get the declaration file path + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); + } + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ false); + referencePathsOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { + // Dont add reference path to this file if it is a bundled emit and caller asked not emit bundled file path + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; + } + } + } + /* @internal */ + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencePathsOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + // apply asynchronous additions to the synchronous output + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + function getResolvedExternalModuleName(host, file) { + return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); + } + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || ts.isDeclarationFile(file)) { + return undefined; + } + return getResolvedExternalModuleName(host, file); + } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + var Jump; + (function (Jump) { + Jump[Jump["Break"] = 2] = "Break"; + Jump[Jump["Continue"] = 4] = "Continue"; + Jump[Jump["Return"] = 8] = "Return"; + })(Jump || (Jump = {})); + var entities = { + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }; + // Flags enum to track count of temp variables and a few dedicated names + var TempFlags; + (function (TempFlags) { + TempFlags[TempFlags["Auto"] = 0] = "Auto"; + TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; + TempFlags[TempFlags["_i"] = 268435456] = "_i"; + })(TempFlags || (TempFlags = {})); + var CopyDirection; + (function (CopyDirection) { + CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; + CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; + })(CopyDirection || (CopyDirection = {})); + // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature + function emitFiles(resolver, host, targetSourceFile) { + // emit output for the __extends helper function + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + // emit output for the __decorate helper function + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + // emit output for the __metadata helper function + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + // emit output for the __param helper function + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var modulekind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emitSkipped = false; + var newLine = host.getNewLine(); + var emitJavaScript = createFileEmitter(); + ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + sourceMaps: sourceMapDataList + }; + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + // We conservatively include alias symbols to cover cases where they're emitted as locals + if (node.locals[name].flags & (107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */)) { + return false; + } + } + } + return true; + } + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = {}; + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = {}; + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } + } + function hoistVariableDeclarationFromLoop(state, declaration) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(declaration.name); + function visit(node) { + if (node.kind === 69 /* Identifier */) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { + var element = _b[_a]; + visit(element.name); + } + } + } + } + function createFileEmitter() { + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); + var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; + var currentSourceFile; + var currentText; + var currentLineMap; + var currentFileIdentifiers; + var renamedDependencies; + var isEs6Module; + var isCurrentFileExternalModule; + // name of an exporter function if file is a System external module + // System.register([...], function () {...}) + // exporting in System modules looks like: + // export var x; ... x = 1 + // => + // var x;... exporter("x", x = 1) + var exportFunctionForFile; + var contextObjectForFile; + var generatedNameSet; + var nodeToGeneratedName; + var computedPropertyNamesToGeneratedNames; + var decoratedClassAliases; + var convertedLoopState; + var extendsEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var tempFlags = 0; + var tempVariables; + var tempParameters; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var detachedCommentsInfo; + /** Sourcemap data that will get encoded */ + var sourceMapData; + /** Is the file being emitted into its own file */ + var isOwnFileEmit; + /** If removeComments is true, no leading-comments needed to be emitted **/ + var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; + var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; + var moduleEmitDelegates = (_a = {}, + _a[5 /* ES6 */] = emitES6Module, + _a[2 /* AMD */] = emitAMDModule, + _a[4 /* System */] = emitSystemModule, + _a[3 /* UMD */] = emitUMDModule, + _a[1 /* CommonJS */] = emitCommonJSModule, + _a + ); + var bundleEmitDelegates = (_b = {}, + _b[5 /* ES6 */] = function () { }, + _b[2 /* AMD */] = emitAMDModule, + _b[4 /* System */] = emitSystemModule, + _b[3 /* UMD */] = function () { }, + _b[1 /* CommonJS */] = function () { }, + _b + ); + return doEmit; + function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + generatedNameSet = {}; + nodeToGeneratedName = []; + decoratedClassAliases = []; + isOwnFileEmit = !isBundledEmit; + // Emit helpers from all the files + if (isBundledEmit && modulekind) { + ts.forEach(sourceFiles, emitEmitHelpers); + } + // Do not call emit directly. It does not set the currentSourceFile. + ts.forEach(sourceFiles, emitSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# sourceMappingURL=" + sourceMappingURL); + } + writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, /*writeByteOrderMark*/ compilerOptions.emitBOM); + // reset the state + sourceMap.reset(); + writer.reset(); + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + generatedNameSet = undefined; + nodeToGeneratedName = undefined; + decoratedClassAliases = undefined; + computedPropertyNamesToGeneratedNames = undefined; + convertedLoopState = undefined; + extendsEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = undefined; + detachedCommentsInfo = undefined; + sourceMapData = undefined; + isEs6Module = false; + renamedDependencies = undefined; + isCurrentFileExternalModule = false; + } + function emitSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = sourceFile.text; + currentLineMap = ts.getLineStarts(sourceFile); + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; + renamedDependencies = sourceFile.renamedDependencies; + currentFileIdentifiers = sourceFile.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(sourceFile); + setSourceFile(sourceFile); + emitNodeWithCommentsAndWithoutSourcemap(sourceFile); + } + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + // Return the next available name in the pattern _a ... _z, _0, _1, ... + // TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name. + // Note that names generated by makeTempVariableName and makeUniqueName will never conflict. + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_22 = flags === 268435456 /* _i */ ? "_i" : "_n"; + if (isUniqueName(name_22)) { + tempFlags |= flags; + return name_22; + } + } + while (true) { + var count = tempFlags & 268435455 /* CountMask */; + tempFlags++; + // Skip over 'i' and 'n' + if (count !== 8 && count !== 13) { + var name_23 = count < 26 ? "_" + String.fromCharCode(97 /* a */ + count) : "_" + (count - 26); + if (isUniqueName(name_23)) { + return name_23; + } + } + } + } + // Generate a name that is unique within the current file and doesn't conflict with any names + // in global scope. The name is formed by adding an '_n' suffix to the specified base name, + // where n is a positive integer. Note that names generated by makeTempVariableName and + // makeUniqueName are guaranteed to never conflict. + function makeUniqueName(baseName) { + // Find the first unique 'name_n', where n is a positive number + if (baseName.charCodeAt(baseName.length - 1) !== 95 /* _ */) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; + } + i++; + } + } + function generateNameForModuleOrEnum(node) { + var name = node.name.text; + // Use module/enum name itself if it is unique, otherwise make a unique variation + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 /* StringLiteral */ ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 69 /* Identifier */: + return makeUniqueName(node.text); + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + return generateNameForModuleOrEnum(node); + case 225 /* ImportDeclaration */: + case 231 /* ExportDeclaration */: + return generateNameForImportOrExportDeclaration(node); + case 216 /* FunctionDeclaration */: + case 217 /* ClassDeclaration */: + case 230 /* ExportAssignment */: + return generateNameForExportDefault(); + case 189 /* ClassExpression */: + return generateNameForClassExpression(); + } + } + function getGeneratedNameForNode(node) { + var id = ts.getNodeId(node); + return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); + } + /** Write emitted output to disk */ + function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), /*writeByteOrderMark*/ false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); + } + // Create a temporary variable with a unique unused name. + function createTempVariable(flags) { + var result = ts.createSynthesizedNode(69 /* Identifier */); + result.text = makeTempVariableName(flags); + return result; + } + function recordTempDeclaration(name) { + if (!tempVariables) { + tempVariables = []; + } + tempVariables.push(name); + } + function createAndRecordTempVariable(flags) { + var temp = createTempVariable(flags); + recordTempDeclaration(temp); + return temp; + } + function emitTempDeclarations(newLine) { + if (tempVariables) { + if (newLine) { + writeLine(); + } + else { + write(" "); + } + write("var "); + emitCommaList(tempVariables); + write(";"); + } + } + /** Emit the text for the given token that comes after startPos + * This by default writes the text provided with the given tokenKind + * but if optional emitFn callback is provided the text is emitted using the callback instead of default text + * @param tokenKind the kind of the token to search and emit + * @param startPos the position in the source to start searching for the token + * @param emitFn if given will be invoked to emit the text instead of actual token emit */ + function emitToken(tokenKind, startPos, emitFn) { + var tokenStartPos = ts.skipTrivia(currentText, startPos); + emitPos(tokenStartPos); + var tokenString = ts.tokenToString(tokenKind); + if (emitFn) { + emitFn(); + } + else { + write(tokenString); + } + var tokenEndPos = tokenStartPos + tokenString.length; + emitPos(tokenEndPos); + return tokenEndPos; + } + function emitOptional(prefix, node) { + if (node) { + write(prefix); + emit(node); + } + } + function emitParenthesizedIf(node, parenthesized) { + if (parenthesized) { + write("("); + } + emit(node); + if (parenthesized) { + write(")"); + } + } + function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { + ts.Debug.assert(nodes.length > 0); + increaseIndent(); + if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + for (var i = 0, n = nodes.length; i < n; i++) { + if (i) { + if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { + write(", "); + } + else { + write(","); + writeLine(); + } + } + emit(nodes[i]); + } + if (nodes.hasTrailingComma && allowTrailingComma) { + write(","); + } + decreaseIndent(); + if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + } + function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { + if (!emitNode) { + emitNode = emit; + } + for (var i = 0; i < count; i++) { + if (multiLine) { + if (i || leadingComma) { + write(","); + } + writeLine(); + } + else { + if (i || leadingComma) { + write(", "); + } + } + var node = nodes[start + i]; + // This emitting is to make sure we emit following comment properly + // ...(x, /*comment1*/ y)... + // ^ => node.pos + // "comment1" is not considered leading comment for "y" but rather + // considered as trailing comment of the previous node. + emitTrailingCommentsOfPosition(node.pos); + emitNode(node); + leadingComma = true; + } + if (trailingComma) { + write(","); + } + if (multiLine && !noTrailingNewLine) { + writeLine(); + } + return count; + } + function emitCommaList(nodes) { + if (nodes) { + emitList(nodes, 0, nodes.length, /*multiLine*/ false, /*trailingComma*/ false); + } + } + function emitLines(nodes) { + emitLinesStartingAt(nodes, /*startIndex*/ 0); + } + function emitLinesStartingAt(nodes, startIndex) { + for (var i = startIndex; i < nodes.length; i++) { + writeLine(); + emit(nodes[i]); + } + } + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 /* NumericLiteral */ && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98 /* b */: + case 66 /* B */: + case 111 /* o */: + case 79 /* O */: + return true; + } + } + return false; + } + function emitLiteral(node) { + var text = getLiteralText(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else if (languageVersion < 2 /* ES6 */ && isBinaryOrOctalIntegerLiteral(node, text)) { + write(node.text); + } + else { + write(text); + } + } + function getLiteralText(node) { + // Any template literal or string literal with an extended escape + // (e.g. "\u{0067}") will need to be downleveled as a escaped string literal. + if (languageVersion < 2 /* ES6 */ && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText("\"", node.text, "\""); + } + // If we don't need to downlevel and we can reach the original source text using + // the node's parent reference, then simply get the text as it was originally written. + if (node.parent) { + return ts.getTextOfNodeFromSourceText(currentText, node); + } + // If we can't reach the original source text, use the canonical form if it's a number, + // or an escaped quoted form of the original text if it's string-like. + switch (node.kind) { + case 9 /* StringLiteral */: + return getQuotedEscapedLiteralText("\"", node.text, "\""); + case 11 /* NoSubstitutionTemplateLiteral */: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 12 /* TemplateHead */: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 13 /* TemplateMiddle */: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 14 /* TemplateTail */: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8 /* NumericLiteral */: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); + } + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; + } + function emitDownlevelRawTemplateLiteral(node) { + // Find original source text, since we need to emit the raw strings of the tagged template. + // The raw strings contain the (escaped) strings of what the user wrote. + // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". + var text = ts.getTextOfNodeFromSourceText(currentText, node); + // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), + // thus we need to remove those characters. + // First template piece starts with "`", others with "}" + // Last template piece ends with "`", others with "${" + var isLast = node.kind === 11 /* NoSubstitutionTemplateLiteral */ || node.kind === 14 /* TemplateTail */; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + // Newline normalization: + // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's + // and LineTerminatorSequences are normalized to for both TV and TRV. + text = text.replace(/\r\n?/g, "\n"); + text = ts.escapeString(text); + write("\"" + text + "\""); + } + function emitDownlevelTaggedTemplateArray(node, literalEmitter) { + write("["); + if (node.template.kind === 11 /* NoSubstitutionTemplateLiteral */) { + literalEmitter(node.template); + } + else { + literalEmitter(node.template.head); + ts.forEach(node.template.templateSpans, function (child) { + write(", "); + literalEmitter(child.literal); + }); + } + write("]"); + } + function emitDownlevelTaggedTemplate(node) { + var tempVariable = createAndRecordTempVariable(0 /* Auto */); + write("("); + emit(tempVariable); + write(" = "); + emitDownlevelTaggedTemplateArray(node, emit); + write(", "); + emit(tempVariable); + write(".raw = "); + emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); + write(", "); + emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); + write("("); + emit(tempVariable); + // Now we emit the expressions + if (node.template.kind === 186 /* TemplateExpression */) { + ts.forEach(node.template.templateSpans, function (templateSpan) { + write(", "); + var needsParens = templateSpan.expression.kind === 184 /* BinaryExpression */ + && templateSpan.expression.operatorToken.kind === 24 /* CommaToken */; + emitParenthesizedIf(templateSpan.expression, needsParens); + }); + } + write("))"); + } + function emitTemplateExpression(node) { + // In ES6 mode and above, we can simply emit each portion of a template in order, but in + // ES3 & ES5 we must convert the template expression into a series of string concatenations. + if (languageVersion >= 2 /* ES6 */) { + ts.forEachChild(node, emit); + return; + } + var emitOuterParens = ts.isExpression(node.parent) + && templateNeedsParens(node, node.parent); + if (emitOuterParens) { + write("("); + } + var headEmitted = false; + if (shouldEmitTemplateHead()) { + emitLiteral(node.head); + headEmitted = true; + } + for (var i = 0, n = node.templateSpans.length; i < n; i++) { + var templateSpan = node.templateSpans[i]; + // Check if the expression has operands and binds its operands less closely than binary '+'. + // If it does, we need to wrap the expression in parentheses. Otherwise, something like + // `abc${ 1 << 2 }` + // becomes + // "abc" + 1 << 2 + "" + // which is really + // ("abc" + 1) << (2 + "") + // rather than + // "abc" + (1 << 2) + "" + var needsParens = templateSpan.expression.kind !== 175 /* ParenthesizedExpression */ + && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1 /* GreaterThan */; + if (i > 0 || headEmitted) { + // If this is the first span and the head was not emitted, then this templateSpan's + // expression will be the first to be emitted. Don't emit the preceding ' + ' in that + // case. + write(" + "); + } + emitParenthesizedIf(templateSpan.expression, needsParens); + // Only emit if the literal is non-empty. + // The binary '+' operator is left-associative, so the first string concatenation + // with the head will force the result up to this point to be a string. + // Emitting a '+ ""' has no semantic effect for middles and tails. + if (templateSpan.literal.text.length !== 0) { + write(" + "); + emitLiteral(templateSpan.literal); + } + } + if (emitOuterParens) { + write(")"); + } + function shouldEmitTemplateHead() { + // If this expression has an empty head literal and the first template span has a non-empty + // literal, then emitting the empty head literal is not necessary. + // `${ foo } and ${ bar }` + // can be emitted as + // foo + " and " + bar + // This is because it is only required that one of the first two operands in the emit + // output must be a string literal, so that the other operand and all following operands + // are forced into strings. + // + // If the first template span has an empty literal, then the head must still be emitted. + // `${ foo }${ bar }` + // must still be emitted as + // "" + foo + bar + // There is always atleast one templateSpan in this code path, since + // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function templateNeedsParens(template, parent) { + switch (parent.kind) { + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return parent.expression === template; + case 173 /* TaggedTemplateExpression */: + case 175 /* ParenthesizedExpression */: + return false; + default: + return comparePrecedenceToBinaryPlus(parent) !== -1 /* LessThan */; + } + } + /** + * Returns whether the expression has lesser, greater, + * or equal precedence to the binary '+' operator + */ + function comparePrecedenceToBinaryPlus(expression) { + // All binary expressions have lower precedence than '+' apart from '*', '/', and '%' + // which have greater precedence and '-' which has equal precedence. + // All unary operators have a higher precedence apart from yield. + // Arrow functions and conditionals have a lower precedence, + // although we convert the former into regular function expressions in ES5 mode, + // and in ES6 mode this function won't get called anyway. + // + // TODO (drosen): Note that we need to account for the upcoming 'yield' and + // spread ('...') unary operators that are anticipated for ES6. + switch (expression.kind) { + case 184 /* BinaryExpression */: + switch (expression.operatorToken.kind) { + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + return 1 /* GreaterThan */; + case 35 /* PlusToken */: + case 36 /* MinusToken */: + return 0 /* EqualTo */; + default: + return -1 /* LessThan */; + } + case 187 /* YieldExpression */: + case 185 /* ConditionalExpression */: + return -1 /* LessThan */; + default: + return 1 /* GreaterThan */; + } + } + } + function emitTemplateSpan(span) { + emit(span.expression); + emit(span.literal); + } + function jsxEmitReact(node) { + /// Emit a tag name, which is either '"div"' for lower-cased names, or + /// 'Div' for upper-cased or dotted names + function emitTagName(name) { + if (name.kind === 69 /* Identifier */ && ts.isIntrinsicJsxName(name.text)) { + write("\""); + emit(name); + write("\""); + } + else { + emit(name); + } + } + /// Emit an attribute name, which is quoted if it needs to be quoted. Because + /// these emit into an object literal property name, we don't need to be worried + /// about keywords, just non-identifier characters + function emitAttributeName(name) { + if (/^[A-Za-z_]\w*$/.test(name.text)) { + emit(name); + } + else { + write("\""); + emit(name); + write("\""); + } + } + /// Emit an name/value pair for an attribute (e.g. "x: 3") + function emitJsxAttribute(node) { + emitAttributeName(node.name); + write(": "); + if (node.initializer) { + emit(node.initializer); + } + else { + write("true"); + } + } + function emitJsxElement(openingNode, children) { + var syntheticReactRef = ts.createSynthesizedNode(69 /* Identifier */); + syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + syntheticReactRef.parent = openingNode; + // Call React.createElement(tag, ... + emitLeadingComments(openingNode); + emitExpressionIdentifier(syntheticReactRef); + write(".createElement("); + emitTagName(openingNode.tagName); + write(", "); + // Attribute list + if (openingNode.attributes.length === 0) { + // When there are no attributes, React wants "null" + write("null"); + } + else { + // Either emit one big object literal (no spread attribs), or + // a call to React.__spread + var attrs = openingNode.attributes; + if (ts.forEach(attrs, function (attr) { return attr.kind === 242 /* JsxSpreadAttribute */; })) { + emitExpressionIdentifier(syntheticReactRef); + write(".__spread("); + var haveOpenedObjectLiteral = false; + for (var i = 0; i < attrs.length; i++) { + if (attrs[i].kind === 242 /* JsxSpreadAttribute */) { + // If this is the first argument, we need to emit a {} as the first argument + if (i === 0) { + write("{}, "); + } + if (haveOpenedObjectLiteral) { + write("}"); + haveOpenedObjectLiteral = false; + } + if (i > 0) { + write(", "); + } + emit(attrs[i].expression); + } + else { + ts.Debug.assert(attrs[i].kind === 241 /* JsxAttribute */); + if (haveOpenedObjectLiteral) { + write(", "); + } + else { + haveOpenedObjectLiteral = true; + if (i > 0) { + write(", "); + } + write("{"); + } + emitJsxAttribute(attrs[i]); + } + } + if (haveOpenedObjectLiteral) + write("}"); + write(")"); // closing paren to React.__spread( + } + else { + // One object literal with all the attributes in them + write("{"); + for (var i = 0, n = attrs.length; i < n; i++) { + if (i > 0) { + write(", "); + } + emitJsxAttribute(attrs[i]); + } + write("}"); + } + } + // Children + if (children) { + for (var i = 0; i < children.length; i++) { + // Don't emit empty expressions + if (children[i].kind === 243 /* JsxExpression */ && !(children[i].expression)) { + continue; + } + // Don't emit empty strings + if (children[i].kind === 239 /* JsxText */) { + var text = getTextToEmit(children[i]); + if (text !== undefined) { + write(", \""); + write(text); + write("\""); + } + } + else { + write(", "); + emit(children[i]); + } + } + } + // Closing paren + write(")"); // closes "React.createElement(" + emitTrailingComments(openingNode); + } + if (node.kind === 236 /* JsxElement */) { + emitJsxElement(node.openingElement, node.children); + } + else { + ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); + emitJsxElement(node); + } + } + function jsxEmitPreserve(node) { + function emitJsxAttribute(node) { + emit(node.name); + if (node.initializer) { + write("="); + emit(node.initializer); + } + } + function emitJsxSpreadAttribute(node) { + write("{..."); + emit(node.expression); + write("}"); + } + function emitAttributes(attribs) { + for (var i = 0, n = attribs.length; i < n; i++) { + if (i > 0) { + write(" "); + } + if (attribs[i].kind === 242 /* JsxSpreadAttribute */) { + emitJsxSpreadAttribute(attribs[i]); + } + else { + ts.Debug.assert(attribs[i].kind === 241 /* JsxAttribute */); + emitJsxAttribute(attribs[i]); + } + } + } + function emitJsxOpeningOrSelfClosingElement(node) { + write("<"); + emit(node.tagName); + if (node.attributes.length > 0 || (node.kind === 237 /* JsxSelfClosingElement */)) { + write(" "); + } + emitAttributes(node.attributes); + if (node.kind === 237 /* JsxSelfClosingElement */) { + write("/>"); + } + else { + write(">"); + } + } + function emitJsxClosingElement(node) { + write(""); + } + function emitJsxElement(node) { + emitJsxOpeningOrSelfClosingElement(node.openingElement); + for (var i = 0, n = node.children.length; i < n; i++) { + emit(node.children[i]); + } + emitJsxClosingElement(node.closingElement); + } + if (node.kind === 236 /* JsxElement */) { + emitJsxElement(node); + } + else { + ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); + emitJsxOpeningOrSelfClosingElement(node); + } + } + // This function specifically handles numeric/string literals for enum and accessor 'identifiers'. + // In a sense, it does not actually emit identifiers as much as it declares a name for a specific property. + // For example, this is utilized when feeding in a result to Object.defineProperty. + function emitExpressionForPropertyName(node) { + ts.Debug.assert(node.kind !== 166 /* BindingElement */); + if (node.kind === 9 /* StringLiteral */) { + emitLiteral(node); + } + else if (node.kind === 137 /* ComputedPropertyName */) { + // if this is a decorated computed property, we will need to capture the result + // of the property expression so that we can apply decorators later. This is to ensure + // we don't introduce unintended side effects: + // + // class C { + // [_a = x]() { } + // } + // + // The emit for the decorated computed property decorator is: + // + // __decorate([dec], C.prototype, _a, Object.getOwnPropertyDescriptor(C.prototype, _a)); + // + if (ts.nodeIsDecorated(node.parent)) { + if (!computedPropertyNamesToGeneratedNames) { + computedPropertyNamesToGeneratedNames = []; + } + var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; + if (generatedName) { + // we have already generated a variable for this node, write that value instead. + write(generatedName); + return; + } + generatedName = createAndRecordTempVariable(0 /* Auto */).text; + computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; + write(generatedName); + write(" = "); + } + emit(node.expression); + } + else { + write("\""); + if (node.kind === 8 /* NumericLiteral */) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + write("\""); + } + } + function isExpressionIdentifier(node) { + var parent = node.parent; + switch (parent.kind) { + case 167 /* ArrayLiteralExpression */: + case 192 /* AsExpression */: + case 184 /* BinaryExpression */: + case 171 /* CallExpression */: + case 244 /* CaseClause */: + case 137 /* ComputedPropertyName */: + case 185 /* ConditionalExpression */: + case 140 /* Decorator */: + case 178 /* DeleteExpression */: + case 200 /* DoStatement */: + case 170 /* ElementAccessExpression */: + case 230 /* ExportAssignment */: + case 198 /* ExpressionStatement */: + case 191 /* ExpressionWithTypeArguments */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 199 /* IfStatement */: + case 240 /* JsxClosingElement */: + case 237 /* JsxSelfClosingElement */: + case 238 /* JsxOpeningElement */: + case 242 /* JsxSpreadAttribute */: + case 243 /* JsxExpression */: + case 172 /* NewExpression */: + case 175 /* ParenthesizedExpression */: + case 183 /* PostfixUnaryExpression */: + case 182 /* PrefixUnaryExpression */: + case 207 /* ReturnStatement */: + case 249 /* ShorthandPropertyAssignment */: + case 188 /* SpreadElementExpression */: + case 209 /* SwitchStatement */: + case 173 /* TaggedTemplateExpression */: + case 193 /* TemplateSpan */: + case 211 /* ThrowStatement */: + case 174 /* TypeAssertionExpression */: + case 179 /* TypeOfExpression */: + case 180 /* VoidExpression */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 187 /* YieldExpression */: + return true; + case 166 /* BindingElement */: + case 250 /* EnumMember */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 214 /* VariableDeclaration */: + return parent.initializer === node; + case 169 /* PropertyAccessExpression */: + return parent.expression === node; + case 177 /* ArrowFunction */: + case 176 /* FunctionExpression */: + return parent.body === node; + case 224 /* ImportEqualsDeclaration */: + return parent.moduleReference === node; + case 136 /* QualifiedName */: + return parent.left === node; + } + return false; + } + function emitExpressionIdentifier(node) { + var container = resolver.getReferencedExportContainer(node); + if (container) { + if (container.kind === 251 /* SourceFile */) { + // Identifier references module export + if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { + write("exports."); + } + } + else { + // Identifier references namespace export + write(getGeneratedNameForNode(container)); + write("."); + } + } + else { + if (modulekind !== 5 /* ES6 */) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (declaration.kind === 226 /* ImportClause */) { + // Identifier references default import + write(getGeneratedNameForNode(declaration.parent)); + write(languageVersion === 0 /* ES3 */ ? "[\"default\"]" : ".default"); + return; + } + else if (declaration.kind === 229 /* ImportSpecifier */) { + // Identifier references named import + write(getGeneratedNameForNode(declaration.parent.parent.parent)); + var name_24 = declaration.propertyName || declaration.name; + var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); + if (languageVersion === 0 /* ES3 */ && identifier === "default") { + write("[\"default\"]"); + } + else { + write("."); + write(identifier); + } + return; + } + } + } + if (languageVersion < 2 /* ES6 */) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + write(getGeneratedNameForNode(declaration.name)); + return; + } + } + else if (resolver.getNodeCheckFlags(node) & 1048576 /* BodyScopedClassBinding */) { + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; + if (classAlias !== undefined) { + write(classAlias); + return; + } + } + } + } + if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { + if (languageVersion < 2 /* ES6 */) { + var parent_8 = node.parent; + switch (parent_8.kind) { + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 214 /* VariableDeclaration */: + return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); + } + } + return false; + } + function emitIdentifier(node) { + if (convertedLoopState) { + if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { + // in converted loop body arguments cannot be used directly. + var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); + write(name_25); + return; + } + } + if (!node.parent) { + write(node.text); + } + else if (isExpressionIdentifier(node)) { + emitExpressionIdentifier(node); + } + else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { + write(getGeneratedNameForNode(node)); + } + else if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function emitThis(node) { + if (resolver.getNodeCheckFlags(node) & 2 /* LexicalThis */) { + write("_this"); + } + else if (convertedLoopState) { + write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); + } + else { + write("this"); + } + } + function emitSuper(node) { + if (languageVersion >= 2 /* ES6 */) { + write("super"); + } + else { + var flags = resolver.getNodeCheckFlags(node); + if (flags & 256 /* SuperInstance */) { + write("_super.prototype"); + } + else { + write("_super"); + } + } + } + function emitObjectBindingPattern(node) { + write("{ "); + var elements = node.elements; + emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); + write(" }"); + } + function emitArrayBindingPattern(node) { + write("["); + var elements = node.elements; + emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); + write("]"); + } + function emitBindingElement(node) { + if (node.propertyName) { + emit(node.propertyName); + write(": "); + } + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emit(node.name); + } + else { + emitModuleMemberName(node); + } + emitOptional(" = ", node.initializer); + } + function emitSpreadElementExpression(node) { + write("..."); + emit(node.expression); + } + function emitYieldExpression(node) { + write(ts.tokenToString(114 /* YieldKeyword */)); + if (node.asteriskToken) { + write("*"); + } + if (node.expression) { + write(" "); + emit(node.expression); + } + } + function emitAwaitExpression(node) { + var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); + if (needsParenthesis) { + write("("); + } + write(ts.tokenToString(114 /* YieldKeyword */)); + write(" "); + emit(node.expression); + if (needsParenthesis) { + write(")"); + } + } + function needsParenthesisForAwaitExpressionAsYield(node) { + if (node.parent.kind === 184 /* BinaryExpression */ && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { + return true; + } + else if (node.parent.kind === 185 /* ConditionalExpression */ && node.parent.condition === node) { + return true; + } + return false; + } + function needsParenthesisForPropertyAccessOrInvocation(node) { + switch (node.kind) { + case 69 /* Identifier */: + case 167 /* ArrayLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 175 /* ParenthesizedExpression */: + // This list is not exhaustive and only includes those cases that are relevant + // to the check in emitArrayLiteral. More cases can be added as needed. + return false; + } + return true; + } + function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { + var pos = 0; + var group = 0; + var length = elements.length; + while (pos < length) { + // Emit using the pattern .concat(, , ...) + if (group === 1 && useConcat) { + write(".concat("); + } + else if (group > 0) { + write(", "); + } + var e = elements[pos]; + if (e.kind === 188 /* SpreadElementExpression */) { + e = e.expression; + emitParenthesizedIf(e, /*parenthesized*/ group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); + pos++; + if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167 /* ArrayLiteralExpression */) { + write(".slice()"); + } + } + else { + var i = pos; + while (i < length && elements[i].kind !== 188 /* SpreadElementExpression */) { + i++; + } + write("["); + if (multiLine) { + increaseIndent(); + } + emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); + if (multiLine) { + decreaseIndent(); + } + write("]"); + pos = i; + } + group++; + } + if (group > 1) { + if (useConcat) { + write(")"); + } + } + } + function isSpreadElementExpression(node) { + return node.kind === 188 /* SpreadElementExpression */; + } + function emitArrayLiteral(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); + } + else if (languageVersion >= 2 /* ES6 */ || !ts.forEach(elements, isSpreadElementExpression)) { + write("["); + emitLinePreservingList(node, node.elements, elements.hasTrailingComma, /*spacesBetweenBraces*/ false); + write("]"); + } + else { + emitListWithSpread(elements, /*needsUniqueCopy*/ true, /*multiLine*/ (node.flags & 1024 /* MultiLine */) !== 0, + /*trailingComma*/ elements.hasTrailingComma, /*useConcat*/ true); + } + } + function emitObjectLiteralBody(node, numElements) { + if (numElements === 0) { + write("{}"); + return; + } + write("{"); + if (numElements > 0) { + var properties = node.properties; + // If we are not doing a downlevel transformation for object literals, + // then try to preserve the original shape of the object literal. + // Otherwise just try to preserve the formatting. + if (numElements === properties.length) { + emitLinePreservingList(node, properties, /*allowTrailingComma*/ languageVersion >= 1 /* ES5 */, /*spacesBetweenBraces*/ true); + } + else { + var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; + if (!multiLine) { + write(" "); + } + else { + increaseIndent(); + } + emitList(properties, 0, numElements, /*multiLine*/ multiLine, /*trailingComma*/ false); + if (!multiLine) { + write(" "); + } + else { + decreaseIndent(); + } + } + } + write("}"); + } + function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { + var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; + var properties = node.properties; + write("("); + if (multiLine) { + increaseIndent(); + } + // For computed properties, we need to create a unique handle to the object + // literal so we can modify it without risking internal assignments tainting the object. + var tempVar = createAndRecordTempVariable(0 /* Auto */); + // Write out the first non-computed properties + // (or all properties if none of them are computed), + // then emit the rest through indexing on the temp variable. + emit(tempVar); + write(" = "); + emitObjectLiteralBody(node, firstComputedPropertyIndex); + for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { + writeComma(); + var property = properties[i]; + emitStart(property); + if (property.kind === 146 /* GetAccessor */ || property.kind === 147 /* SetAccessor */) { + // TODO (drosen): Reconcile with 'emitMemberFunctions'. + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property !== accessors.firstAccessor) { + continue; + } + write("Object.defineProperty("); + emit(tempVar); + write(", "); + emitStart(node.name); + emitExpressionForPropertyName(property.name); + emitEnd(property.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("})"); + emitEnd(property); + } + else { + emitLeadingComments(property); + emitStart(property.name); + emit(tempVar); + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + if (property.kind === 248 /* PropertyAssignment */) { + emit(property.initializer); + } + else if (property.kind === 249 /* ShorthandPropertyAssignment */) { + emitExpressionIdentifier(property.name); + } + else if (property.kind === 144 /* MethodDeclaration */) { + emitFunctionDeclaration(property); + } + else { + ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); + } + } + emitEnd(property); + } + writeComma(); + emit(tempVar); + if (multiLine) { + decreaseIndent(); + writeLine(); + } + write(")"); + function writeComma() { + if (multiLine) { + write(","); + writeLine(); + } + else { + write(", "); + } + } + } + function emitObjectLiteral(node) { + var properties = node.properties; + if (languageVersion < 2 /* ES6 */) { + var numProperties = properties.length; + // Find the first computed property. + // Everything until that point can be emitted as part of the initial object literal. + var numInitialNonComputedProperties = numProperties; + for (var i = 0, n = properties.length; i < n; i++) { + if (properties[i].name.kind === 137 /* ComputedPropertyName */) { + numInitialNonComputedProperties = i; + break; + } + } + var hasComputedProperty = numInitialNonComputedProperties !== properties.length; + if (hasComputedProperty) { + emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); + return; + } + } + // Ordinary case: either the object has no computed properties + // or we're compiling with an ES6+ target. + emitObjectLiteralBody(node, properties.length); + } + function createBinaryExpression(left, operator, right, startsOnNewLine) { + var result = ts.createSynthesizedNode(184 /* BinaryExpression */, startsOnNewLine); + result.operatorToken = ts.createSynthesizedNode(operator); + result.left = left; + result.right = right; + return result; + } + function createPropertyAccessExpression(expression, name) { + var result = ts.createSynthesizedNode(169 /* PropertyAccessExpression */); + result.expression = parenthesizeForAccess(expression); + result.dotToken = ts.createSynthesizedNode(21 /* DotToken */); + result.name = name; + return result; + } + function createElementAccessExpression(expression, argumentExpression) { + var result = ts.createSynthesizedNode(170 /* ElementAccessExpression */); + result.expression = parenthesizeForAccess(expression); + result.argumentExpression = argumentExpression; + return result; + } + function parenthesizeForAccess(expr) { + // When diagnosing whether the expression needs parentheses, the decision should be based + // on the innermost expression in a chain of nested type assertions. + while (expr.kind === 174 /* TypeAssertionExpression */ || expr.kind === 192 /* AsExpression */) { + expr = expr.expression; + } + // isLeftHandSideExpression is almost the correct criterion for when it is not necessary + // to parenthesize the expression before a dot. The known exceptions are: + // + // NewExpression: + // new C.x -> not the same as (new C).x + // NumberLiteral + // 1.x -> not the same as (1).x + // + if (ts.isLeftHandSideExpression(expr) && + expr.kind !== 172 /* NewExpression */ && + expr.kind !== 8 /* NumericLiteral */) { + return expr; + } + var node = ts.createSynthesizedNode(175 /* ParenthesizedExpression */); + node.expression = expr; + return node; + } + function emitComputedPropertyName(node) { + write("["); + emitExpressionForPropertyName(node); + write("]"); + } + function emitMethod(node) { + if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { + write("*"); + } + emit(node.name); + if (languageVersion < 2 /* ES6 */) { + write(": function "); + } + emitSignatureAndBody(node); + } + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + // This is to ensure that we emit comment in the following case: + // For example: + // obj = { + // id: /*comment1*/ ()=>void + // } + // "comment1" is not considered to be leading comment for node.initializer + // but rather a trailing comment on the previous node. + emitTrailingCommentsOfPosition(node.initializer.pos); + emit(node.initializer); + } + // Return true if identifier resolves to an exported member of a namespace + function isNamespaceExportReference(node) { + var container = resolver.getReferencedExportContainer(node); + return container && container.kind !== 251 /* SourceFile */; + } + function emitShorthandPropertyAssignment(node) { + // The name property of a short-hand property assignment is considered an expression position, so here + // we manually emit the identifier to avoid rewriting. + writeTextOfNode(currentText, node.name); + // If emitting pre-ES6 code, or if the name requires rewriting when resolved as an expression identifier, + // we emit a normal property assignment. For example: + // module m { + // export let y; + // } + // module m { + // let obj = { y }; + // } + // Here we need to emit obj = { y : m.y } regardless of the output target. + if (modulekind !== 5 /* ES6 */ || isNamespaceExportReference(node.name)) { + // Emit identifier as an identifier + write(": "); + emit(node.name); + } + if (languageVersion >= 2 /* ES6 */ && node.objectAssignmentInitializer) { + write(" = "); + emit(node.objectAssignmentInitializer); + } + } + function tryEmitConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + write(constantValue.toString()); + if (!compilerOptions.removeComments) { + var propertyName = node.kind === 169 /* PropertyAccessExpression */ ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); + write(" /* " + propertyName + " */"); + } + return true; + } + return false; + } + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; + } + return node.kind === 169 /* PropertyAccessExpression */ || node.kind === 170 /* ElementAccessExpression */ + ? resolver.getConstantValue(node) + : undefined; + } + // Returns 'true' if the code was actually indented, false otherwise. + // If the code is not indented, an optional valueToWriteWhenNotIndenting will be + // emitted instead. + function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { + var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); + // Always use a newline for synthesized code if the synthesizer desires it. + var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); + if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { + increaseIndent(); + writeLine(); + return true; + } + else { + if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + return false; + } + } + function emitPropertyAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 /* ES6 */ && + node.expression.kind === 95 /* SuperKeyword */ && + isInAsyncMethodWithSuperInES6(node)) { + var name_26 = ts.createSynthesizedNode(9 /* StringLiteral */); + name_26.text = node.name.text; + emitSuperAccessInAsyncMethod(node.expression, name_26); + return; + } + emit(node.expression); + var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); + // 1 .toString is a valid property access, emit a space after the literal + // Also emit a space if expression is a integer const enum value - it will appear in generated code as numeric literal + var shouldEmitSpace = false; + if (!indentedBeforeDot) { + if (node.expression.kind === 8 /* NumericLiteral */) { + // check if numeric literal was originally written with a dot + var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); + shouldEmitSpace = text.indexOf(ts.tokenToString(21 /* DotToken */)) < 0; + } + else { + // check if constant enum value is integer + var constantValue = tryGetConstEnumValue(node.expression); + // isFinite handles cases when constantValue is undefined + shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; + } + } + if (shouldEmitSpace) { + write(" ."); + } + else { + write("."); + } + var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); + emit(node.name); + decreaseIndentIf(indentedBeforeDot, indentedAfterDot); + } + function emitQualifiedName(node) { + emit(node.left); + write("."); + emit(node.right); + } + function emitQualifiedNameAsExpression(node, useFallback) { + if (node.left.kind === 69 /* Identifier */) { + emitEntityNameAsExpression(node.left, useFallback); + } + else if (useFallback) { + var temp = createAndRecordTempVariable(0 /* Auto */); + write("("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(node.left, /*useFallback*/ true); + write(") && "); + emitNodeWithoutSourceMap(temp); + } + else { + emitEntityNameAsExpression(node.left, /*useFallback*/ false); + } + write("."); + emit(node.right); + } + function emitEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 69 /* Identifier */: + if (useFallback) { + write("typeof "); + emitExpressionIdentifier(node); + write(" !== 'undefined' && "); + } + emitExpressionIdentifier(node); + break; + case 136 /* QualifiedName */: + emitQualifiedNameAsExpression(node, useFallback); + break; + default: + emitNodeWithoutSourceMap(node); + break; + } + } + function emitIndexedAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 /* ES6 */ && + node.expression.kind === 95 /* SuperKeyword */ && + isInAsyncMethodWithSuperInES6(node)) { + emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); + return; + } + emit(node.expression); + write("["); + emit(node.argumentExpression); + write("]"); + } + function hasSpreadElement(elements) { + return ts.forEach(elements, function (e) { return e.kind === 188 /* SpreadElementExpression */; }); + } + function skipParentheses(node) { + while (node.kind === 175 /* ParenthesizedExpression */ || node.kind === 174 /* TypeAssertionExpression */ || node.kind === 192 /* AsExpression */) { + node = node.expression; + } + return node; + } + function emitCallTarget(node) { + if (node.kind === 69 /* Identifier */ || node.kind === 97 /* ThisKeyword */ || node.kind === 95 /* SuperKeyword */) { + emit(node); + return node; + } + var temp = createAndRecordTempVariable(0 /* Auto */); + write("("); + emit(temp); + write(" = "); + emit(node); + write(")"); + return temp; + } + function emitCallWithSpread(node) { + var target; + var expr = skipParentheses(node.expression); + if (expr.kind === 169 /* PropertyAccessExpression */) { + // Target will be emitted as "this" argument + target = emitCallTarget(expr.expression); + write("."); + emit(expr.name); + } + else if (expr.kind === 170 /* ElementAccessExpression */) { + // Target will be emitted as "this" argument + target = emitCallTarget(expr.expression); + write("["); + emit(expr.argumentExpression); + write("]"); + } + else if (expr.kind === 95 /* SuperKeyword */) { + target = expr; + write("_super"); + } + else { + emit(node.expression); + } + write(".apply("); + if (target) { + if (target.kind === 95 /* SuperKeyword */) { + // Calls of form super(...) and super.foo(...) + emitThis(target); + } + else { + // Calls of form obj.foo(...) + emit(target); + } + } + else { + // Calls of form foo(...) + write("void 0"); + } + write(", "); + emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ true); + write(")"); + } + function isInAsyncMethodWithSuperInES6(node) { + if (languageVersion === 2 /* ES6 */) { + var container = ts.getSuperContainer(node, /*includeFunctions*/ false); + if (container && resolver.getNodeCheckFlags(container) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */)) { + return true; + } + } + return false; + } + function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { + var container = ts.getSuperContainer(superNode, /*includeFunctions*/ false); + var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096 /* AsyncMethodWithSuperBinding */; + write("_super("); + emit(argumentExpression); + write(isSuperBinding ? ").value" : ")"); + } + function emitCallExpression(node) { + if (languageVersion < 2 /* ES6 */ && hasSpreadElement(node.arguments)) { + emitCallWithSpread(node); + return; + } + var expression = node.expression; + var superCall = false; + var isAsyncMethodWithSuper = false; + if (expression.kind === 95 /* SuperKeyword */) { + emitSuper(expression); + superCall = true; + } + else { + superCall = ts.isSuperPropertyOrElementAccess(expression); + isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); + emit(expression); + } + if (superCall && (languageVersion < 2 /* ES6 */ || isAsyncMethodWithSuper)) { + write(".call("); + emitThis(expression); + if (node.arguments.length) { + write(", "); + emitCommaList(node.arguments); + } + write(")"); + } + else { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + function emitNewExpression(node) { + write("new "); + // Spread operator logic is supported in new expressions in ES5 using a combination + // of Function.prototype.bind() and Function.prototype.apply(). + // + // Example: + // + // var args = [1, 2, 3, 4, 5]; + // new Array(...args); + // + // is compiled into the following ES5: + // + // var args = [1, 2, 3, 4, 5]; + // new (Array.bind.apply(Array, [void 0].concat(args))); + // + // The 'thisArg' to 'bind' is ignored when invoking the result of 'bind' with 'new', + // Thus, we set it to undefined ('void 0'). + if (languageVersion === 1 /* ES5 */ && + node.arguments && + hasSpreadElement(node.arguments)) { + write("("); + var target = emitCallTarget(node.expression); + write(".bind.apply("); + emit(target); + write(", [void 0].concat("); + emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ false); + write(")))"); + write("()"); + } + else { + emit(node.expression); + if (node.arguments) { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + } + function emitTaggedTemplateExpression(node) { + if (languageVersion >= 2 /* ES6 */) { + emit(node.tag); + write(" "); + emit(node.template); + } + else { + emitDownlevelTaggedTemplate(node); + } + } + function emitParenExpression(node) { + // If the node is synthesized, it means the emitter put the parentheses there, + // not the user. If we didn't want them, the emitter would not have put them + // there. + if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177 /* ArrowFunction */) { + if (node.expression.kind === 174 /* TypeAssertionExpression */ || node.expression.kind === 192 /* AsExpression */) { + var operand = node.expression.expression; + // Make sure we consider all nested cast expressions, e.g.: + // (-A).x; + while (operand.kind === 174 /* TypeAssertionExpression */ || operand.kind === 192 /* AsExpression */) { + operand = operand.expression; + } + // We have an expression of the form: (SubExpr) + // Emitting this as (SubExpr) is really not desirable. We would like to emit the subexpr as is. + // Omitting the parentheses, however, could cause change in the semantics of the generated + // code if the casted expression has a lower precedence than the rest of the expression, e.g.: + // (new A).foo should be emitted as (new A).foo and not new A.foo + // (typeof A).toString() should be emitted as (typeof A).toString() and not typeof A.toString() + // new (A()) should be emitted as new (A()) and not new A() + // (function foo() { })() should be emitted as an IIF (function foo(){})() and not declaration function foo(){} () + if (operand.kind !== 182 /* PrefixUnaryExpression */ && + operand.kind !== 180 /* VoidExpression */ && + operand.kind !== 179 /* TypeOfExpression */ && + operand.kind !== 178 /* DeleteExpression */ && + operand.kind !== 183 /* PostfixUnaryExpression */ && + operand.kind !== 172 /* NewExpression */ && + !(operand.kind === 171 /* CallExpression */ && node.parent.kind === 172 /* NewExpression */) && + !(operand.kind === 176 /* FunctionExpression */ && node.parent.kind === 171 /* CallExpression */) && + !(operand.kind === 8 /* NumericLiteral */ && node.parent.kind === 169 /* PropertyAccessExpression */)) { + emit(operand); + return; + } + } + } + write("("); + emit(node.expression); + write(")"); + } + function emitDeleteExpression(node) { + write(ts.tokenToString(78 /* DeleteKeyword */)); + write(" "); + emit(node.expression); + } + function emitVoidExpression(node) { + write(ts.tokenToString(103 /* VoidKeyword */)); + write(" "); + emit(node.expression); + } + function emitTypeOfExpression(node) { + write(ts.tokenToString(101 /* TypeOfKeyword */)); + write(" "); + emit(node.expression); + } + function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { + if (!isCurrentFileSystemExternalModule() || node.kind !== 69 /* Identifier */ || ts.nodeIsSynthesized(node)) { + return false; + } + var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 /* VariableDeclaration */ || node.parent.kind === 166 /* BindingElement */); + var targetDeclaration = isVariableDeclarationOrBindingElement + ? node.parent + : resolver.getReferencedValueDeclaration(node); + return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, /*isExported*/ true); + } + function emitPrefixUnaryExpression(node) { + var exportChanged = (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + // emit + // ++x + // as + // exports('x', ++x) + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + } + write(ts.tokenToString(node.operator)); + // In some cases, we need to emit a space between the operator and the operand. One obvious case + // is when the operator is an identifier, like delete or typeof. We also need to do this for plus + // and minus expressions in certain cases. Specifically, consider the following two cases (parens + // are just for clarity of exposition, and not part of the source code): + // + // (+(+1)) + // (+(++1)) + // + // We need to emit a space in both cases. In the first case, the absence of a space will make + // the resulting expression a prefix increment operation. And in the second, it will make the resulting + // expression a prefix increment whose operand is a plus expression - (++(+x)) + // The same is true of minus of course. + if (node.operand.kind === 182 /* PrefixUnaryExpression */) { + var operand = node.operand; + if (node.operator === 35 /* PlusToken */ && (operand.operator === 35 /* PlusToken */ || operand.operator === 41 /* PlusPlusToken */)) { + write(" "); + } + else if (node.operator === 36 /* MinusToken */ && (operand.operator === 36 /* MinusToken */ || operand.operator === 42 /* MinusMinusToken */)) { + write(" "); + } + } + emit(node.operand); + if (exportChanged) { + write(")"); + } + } + function emitPostfixUnaryExpression(node) { + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + // export function returns the value that was passes as the second argument + // however for postfix unary expressions result value should be the value before modification. + // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' + write("(" + exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + write(ts.tokenToString(node.operator)); + emit(node.operand); + if (node.operator === 41 /* PlusPlusToken */) { + write(") - 1)"); + } + else { + write(") + 1)"); + } + } + else { + emit(node.operand); + write(ts.tokenToString(node.operator)); + } + } + function shouldHoistDeclarationInSystemJsModule(node) { + return isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ false); + } + /* + * Checks if given node is a source file level declaration (not nested in module/function). + * If 'isExported' is true - then declaration must also be exported. + * This function is used in two cases: + * - check if node is a exported source file level value to determine + * if we should also export the value after its it changed + * - check if node is a source level declaration to emit it differently, + * i.e non-exported variable statement 'var x = 1' is hoisted so + * we we emit variable statement 'var' should be dropped. + */ + function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { + if (!node || !isCurrentFileSystemExternalModule()) { + return false; + } + var current = ts.getRootDeclaration(node).parent; + while (current) { + if (current.kind === 251 /* SourceFile */) { + return !isExported || ((ts.getCombinedNodeFlags(node) & 2 /* Export */) !== 0); + } + else if (ts.isDeclaration(current)) { + return false; + } + else { + current = current.parent; + } + } + } + /** + * Emit ES7 exponentiation operator downlevel using Math.pow + * @param node a binary expression node containing exponentiationOperator (**, **=) + */ + function emitExponentiationOperator(node) { + var leftHandSideExpression = node.left; + if (node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { + var synthesizedLHS = void 0; + var shouldEmitParentheses = false; + if (ts.isElementAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(170 /* ElementAccessExpression */, /*startsOnNewLine*/ false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); + synthesizedLHS.expression = identifier; + if (leftHandSideExpression.argumentExpression.kind !== 8 /* NumericLiteral */ && + leftHandSideExpression.argumentExpression.kind !== 9 /* StringLiteral */) { + var tempArgumentExpression = createAndRecordTempVariable(268435456 /* _i */); + synthesizedLHS.argumentExpression = tempArgumentExpression; + emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, /*shouldEmitCommaBeforeAssignment*/ true, leftHandSideExpression.expression); + } + else { + synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; + } + write(", "); + } + else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(169 /* PropertyAccessExpression */, /*startsOnNewLine*/ false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); + synthesizedLHS.expression = identifier; + synthesizedLHS.dotToken = leftHandSideExpression.dotToken; + synthesizedLHS.name = leftHandSideExpression.name; + write(", "); + } + emit(synthesizedLHS || leftHandSideExpression); + write(" = "); + write("Math.pow("); + emit(synthesizedLHS || leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + if (shouldEmitParentheses) { + write(")"); + } + } + else { + write("Math.pow("); + emit(leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + } + } + function emitBinaryExpression(node) { + if (languageVersion < 2 /* ES6 */ && node.operatorToken.kind === 56 /* EqualsToken */ && + (node.left.kind === 168 /* ObjectLiteralExpression */ || node.left.kind === 167 /* ArrayLiteralExpression */)) { + emitDestructuring(node, node.parent.kind === 198 /* ExpressionStatement */); + } + else { + var exportChanged = node.operatorToken.kind >= 56 /* FirstAssignment */ && + node.operatorToken.kind <= 68 /* LastAssignment */ && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); + if (exportChanged) { + // emit assignment 'x y' as 'exports("x", x y)' + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.left); + write("\", "); + } + if (node.operatorToken.kind === 38 /* AsteriskAsteriskToken */ || node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { + // Downleveled emit exponentiation operator using Math.pow + emitExponentiationOperator(node); + } + else { + emit(node.left); + // Add indentation before emit the operator if the operator is on different line + // For example: + // 3 + // + 2; + // emitted as + // 3 + // + 2; + var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 /* CommaToken */ ? " " : undefined); + write(ts.tokenToString(node.operatorToken.kind)); + var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); + emit(node.right); + decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); + } + if (exportChanged) { + write(")"); + } + } + } + function synthesizedNodeStartsOnNewLine(node) { + return ts.nodeIsSynthesized(node) && node.startsOnNewLine; + } + function emitConditionalExpression(node) { + emit(node.condition); + var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); + write("?"); + var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); + emit(node.whenTrue); + decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); + var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); + write(":"); + var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); + emit(node.whenFalse); + decreaseIndentIf(indentedBeforeColon, indentedAfterColon); + } + // Helper function to decrease the indent if we previously indented. Allows multiple + // previous indent values to be considered at a time. This also allows caller to just + // call this once, passing in all their appropriate indent values, instead of needing + // to call this helper function multiple times. + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function isSingleLineEmptyBlock(node) { + if (node && node.kind === 195 /* Block */) { + var block = node; + return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); + } + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + emitToken(15 /* OpenBraceToken */, node.pos); + write(" "); + emitToken(16 /* CloseBraceToken */, node.statements.end); + return; + } + emitToken(15 /* OpenBraceToken */, node.pos); + increaseIndent(); + if (node.kind === 222 /* ModuleBlock */) { + ts.Debug.assert(node.parent.kind === 221 /* ModuleDeclaration */); + emitCaptureThisForNodeIfNecessary(node.parent); + } + emitLines(node.statements); + if (node.kind === 222 /* ModuleBlock */) { + emitTempDeclarations(/*newLine*/ true); + } + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.statements.end); + } + function emitEmbeddedStatement(node) { + if (node.kind === 195 /* Block */) { + write(" "); + emit(node); + } + else { + increaseIndent(); + writeLine(); + emit(node); + decreaseIndent(); + } + } + function emitExpressionStatement(node) { + emitParenthesizedIf(node.expression, /*parenthesized*/ node.expression.kind === 177 /* ArrowFunction */); + write(";"); + } + function emitIfStatement(node) { + var endPos = emitToken(88 /* IfKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + emit(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + emitToken(80 /* ElseKeyword */, node.thenStatement.end); + if (node.elseStatement.kind === 199 /* IfStatement */) { + write(" "); + emit(node.elseStatement); + } + else { + emitEmbeddedStatement(node.elseStatement); + } + } + } + function emitDoStatement(node) { + emitLoop(node, emitDoStatementWorker); + } + function emitDoStatementWorker(node, loop) { + write("do"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + if (node.statement.kind === 195 /* Block */) { + write(" "); + } + else { + writeLine(); + } + write("while ("); + emit(node.expression); + write(");"); + } + function emitWhileStatement(node) { + emitLoop(node, emitWhileStatementWorker); + } + function emitWhileStatementWorker(node, loop) { + write("while ("); + emit(node.expression); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + /** + * Returns true if start of variable declaration list was emitted. + * Returns false if nothing was written - this can happen for source file level variable declarations + * in system modules where such variable declarations are hoisted. + */ + function tryEmitStartOfVariableDeclarationList(decl) { + if (shouldHoistVariable(decl, /*checkIfSourceFileLevelDecl*/ true)) { + // variables in variable declaration list were already hoisted + return false; + } + if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576 /* BlockScoped */) === 0) { + // we are inside a converted loop - this can only happen in downlevel scenarios + // record names for all variable declarations + for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { + var varDecl = _b[_a]; + hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); + } + return false; + } + emitStart(decl); + if (decl && languageVersion >= 2 /* ES6 */) { + if (ts.isLet(decl)) { + write("let "); + } + else if (ts.isConst(decl)) { + write("const "); + } + else { + write("var "); + } + } + else { + write("var "); + } + // Note here we specifically dont emit end so that if we are going to emit binding pattern + // we can alter the source map correctly + return true; + } + function emitVariableDeclarationListSkippingUninitializedEntries(list) { + var started = false; + for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { + var decl = _b[_a]; + if (!decl.initializer) { + continue; + } + if (!started) { + started = true; + } + else { + write(", "); + } + emit(decl); + } + return started; + } + function shouldConvertLoopBody(node) { + return languageVersion < 2 /* ES6 */ && + (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; + } + function emitLoop(node, loopEmitter) { + var shouldConvert = shouldConvertLoopBody(node); + if (!shouldConvert) { + loopEmitter(node, /* convertedLoop*/ undefined); + } + else { + var loop = convertLoopBody(node); + if (node.parent.kind === 210 /* LabeledStatement */) { + // if parent of the loop was labeled statement - attach the label to loop skipping converted loop body + emitLabelAndColon(node.parent); + } + loopEmitter(node, loop); + } + } + function convertLoopBody(node) { + var functionName = makeUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + var initializer = node.initializer; + if (initializer && initializer.kind === 215 /* VariableDeclarationList */) { + loopInitializer = node.initializer; + } + break; + } + var loopParameters; + var loopOutParameters; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576 /* BlockScoped */)) { + // if loop initializer contains block scoped variables - they should be passed to converted loop body as parameters + loopParameters = []; + for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { + var varDeclaration = _b[_a]; + processVariableDeclaration(varDeclaration.name); + } + } + var bodyIsBlock = node.statement.kind === 195 /* Block */; + var paramList = loopParameters ? loopParameters.join(", ") : ""; + writeLine(); + write("var " + functionName + " = function(" + paramList + ")"); + var convertedOuterLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (convertedOuterLoopState) { + // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. + // if outer converted loop has already accumulated some state - pass it through + if (convertedOuterLoopState.argumentsName) { + // outer loop has already used 'arguments' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; + } + if (convertedOuterLoopState.thisName) { + // outer loop has already used 'this' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.thisName = convertedOuterLoopState.thisName; + } + if (convertedOuterLoopState.hoistedLocalVariables) { + // we've already collected some non-block scoped variable declarations in enclosing loop + // use the same storage in nested loop + convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; + } + } + write(" {"); + writeLine(); + increaseIndent(); + if (bodyIsBlock) { + emitLines(node.statement.statements); + } + else { + emit(node.statement); + } + writeLine(); + // end of loop body -> copy out parameter + copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ true); + decreaseIndent(); + writeLine(); + write("};"); + writeLine(); + if (loopOutParameters) { + // declare variables to hold out params for loop body + write("var "); + for (var i = 0; i < loopOutParameters.length; i++) { + if (i !== 0) { + write(", "); + } + write(loopOutParameters[i].outParamName); + } + write(";"); + writeLine(); + } + if (convertedLoopState.argumentsName) { + // if alias for arguments is set + if (convertedOuterLoopState) { + // pass it to outer converted loop + convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; + } + else { + // this is top level converted loop and we need to create an alias for 'arguments' object + write("var " + convertedLoopState.argumentsName + " = arguments;"); + writeLine(); + } + } + if (convertedLoopState.thisName) { + // if alias for this is set + if (convertedOuterLoopState) { + // pass it to outer converted loop + convertedOuterLoopState.thisName = convertedLoopState.thisName; + } + else { + // this is top level converted loop so we need to create an alias for 'this' here + // NOTE: + // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. + // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. + write("var " + convertedLoopState.thisName + " = this;"); + writeLine(); + } + } + if (convertedLoopState.hoistedLocalVariables) { + // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later + if (convertedOuterLoopState) { + // pass them to outer converted loop + convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; + } + else { + // deduplicate and hoist collected variable declarations + write("var "); + var seen = void 0; + for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { + var id = _d[_c]; + // Don't initialize seen unless we have at least one element. + // Emit a comma to separate for all but the first element. + if (!seen) { + seen = {}; + } + else { + write(", "); + } + if (!ts.hasProperty(seen, id.text)) { + emit(id); + seen[id.text] = id.text; + } + } + write(";"); + writeLine(); + } + } + var currentLoopState = convertedLoopState; + convertedLoopState = convertedOuterLoopState; + return { functionName: functionName, paramList: paramList, state: currentLoopState }; + function processVariableDeclaration(name) { + if (name.kind === 69 /* Identifier */) { + var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) + ? getGeneratedNameForNode(name) + : name.text; + loopParameters.push(nameText); + if (resolver.getNodeCheckFlags(name.parent) & 2097152 /* NeedsLoopOutParameter */) { + var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; + (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); + } + } + else { + for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { + var element = _b[_a]; + processVariableDeclaration(element.name); + } + } + } + } + function emitNormalLoopBody(node, emitAsEmbeddedStatement) { + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + // we get here if we are trying to emit normal loop loop inside converted loop + // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; + } + if (emitAsEmbeddedStatement) { + emitEmbeddedStatement(node.statement); + } + else if (node.statement.kind === 195 /* Block */) { + emitLines(node.statement.statements); + } + else { + writeLine(); + emit(node.statement); + } + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function copyLoopOutParameters(state, copyDirection, emitAsStatements) { + if (state.loopOutParameters) { + for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { + var outParam = _b[_a]; + if (copyDirection === 0 /* ToOriginal */) { + emitIdentifier(outParam.originalName); + write(" = " + outParam.outParamName); + } + else { + write(outParam.outParamName + " = "); + emitIdentifier(outParam.originalName); + } + if (emitAsStatements) { + write(";"); + writeLine(); + } + else { + write(", "); + } + } + } + } + function emitConvertedLoopCall(loop, emitAsBlock) { + if (emitAsBlock) { + write(" {"); + writeLine(); + increaseIndent(); + } + // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop + // simple loops are emitted as just 'loop()'; + var isSimpleLoop = !loop.state.nonLocalJumps && + !loop.state.labeledNonLocalBreaks && + !loop.state.labeledNonLocalContinues; + var loopResult = makeUniqueName("state"); + if (!isSimpleLoop) { + write("var " + loopResult + " = "); + } + write(loop.functionName + "(" + loop.paramList + ");"); + writeLine(); + copyLoopOutParameters(loop.state, 0 /* ToOriginal */, /*emitAsStatements*/ true); + if (!isSimpleLoop) { + // for non simple loops we need to store result returned from converted loop function and use it to do dispatching + // converted loop function can return: + // - object - used when body of the converted loop contains return statement. Property "value" of this object stores retuned value + // - string - used to dispatch jumps. "break" and "continue" are used to non-labeled jumps, other values are used to transfer control to + // different labels + writeLine(); + if (loop.state.nonLocalJumps & 8 /* Return */) { + write("if (typeof " + loopResult + " === \"object\") "); + if (convertedLoopState) { + // we are currently nested in another converted loop - return unwrapped result + write("return " + loopResult + ";"); + // propagate 'hasReturn' flag to outer loop + convertedLoopState.nonLocalJumps |= 8 /* Return */; + } + else { + // top level converted loop - return unwrapped value + write("return " + loopResult + ".value;"); + } + writeLine(); + } + if (loop.state.nonLocalJumps & 2 /* Break */) { + write("if (" + loopResult + " === \"break\") break;"); + writeLine(); + } + if (loop.state.nonLocalJumps & 4 /* Continue */) { + write("if (" + loopResult + " === \"continue\") continue;"); + writeLine(); + } + // in case of labeled breaks emit code that either breaks to some known label inside outer loop or delegates jump decision to outer loop + emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); + } + if (emitAsBlock) { + writeLine(); + decreaseIndent(); + write("}"); + } + function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { + if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { + return; + } + write("switch(" + loopResultVariable + ") {"); + increaseIndent(); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, /*isBreak*/ true, loopResultVariable, outerLoop); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, /*isBreak*/ false, loopResultVariable, outerLoop); + decreaseIndent(); + writeLine(); + write("}"); + } + function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + writeLine(); + write("case \"" + labelMarker + "\": "); + // if there are no outer converted loop or outer label in question is located inside outer converted loop + // then emit labeled break\continue + // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + if (isBreak) { + write("break "); + } + else { + write("continue "); + } + write(labelText + ";"); + } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + write("return " + loopResultVariable + ";"); + } + } + } + } + function emitForStatement(node) { + emitLoop(node, emitForStatementWorker); + } + function emitForStatementWorker(node, loop) { + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { + var variableDeclarationList = node.initializer; + var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); + if (startIsEmitted) { + emitCommaList(variableDeclarationList.declarations); + } + else { + emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); + } + } + else if (node.initializer) { + emit(node.initializer); + } + write(";"); + emitOptional(" ", node.condition); + write(";"); + emitOptional(" ", node.incrementor); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + function emitForInOrForOfStatement(node) { + if (languageVersion < 2 /* ES6 */ && node.kind === 204 /* ForOfStatement */) { + emitLoop(node, emitDownLevelForOfStatementWorker); + } + else { + emitLoop(node, emitForInOrForOfStatementWorker); + } + } + function emitForInOrForOfStatementWorker(node, loop) { + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length >= 1) { + tryEmitStartOfVariableDeclarationList(variableDeclarationList); + emit(variableDeclarationList.declarations[0]); + } + } + else { + emit(node.initializer); + } + if (node.kind === 203 /* ForInStatement */) { + write(" in "); + } + else { + write(" of "); + } + emit(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + function emitDownLevelForOfStatementWorker(node, loop) { + // The following ES6 code: + // + // for (let v of expr) { } + // + // should be emitted as + // + // for (let _i = 0, _a = expr; _i < _a.length; _i++) { + // let v = _a[_i]; + // } + // + // where _a and _i are temps emitted to capture the RHS and the counter, + // respectively. + // When the left hand side is an expression instead of a let declaration, + // the "let v" is not emitted. + // When the left hand side is a let/const, the v is renamed if there is + // another v in scope. + // Note that all assignments to the LHS are emitted in the body, including + // all destructuring. + // Note also that because an extra statement is needed to assign to the LHS, + // for-of bodies are always emitted as blocks. + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + // Do not emit the LHS let declaration yet, because it might contain destructuring. + // Do not call recordTempDeclaration because we are declaring the temps + // right here. Recording means they will be declared later. + // In the case where the user wrote an identifier as the RHS, like this: + // + // for (let v of arr) { } + // + // we can't reuse 'arr' because it might be modified within the body of the loop. + var counter = createTempVariable(268435456 /* _i */); + var rhsReference = ts.createSynthesizedNode(69 /* Identifier */); + rhsReference.text = node.expression.kind === 69 /* Identifier */ ? + makeUniqueName(node.expression.text) : + makeTempVariableName(0 /* Auto */); + // This is the let keyword for the counter and rhsReference. The let keyword for + // the LHS will be emitted inside the body. + emitStart(node.expression); + write("var "); + // _i = 0 + emitNodeWithoutSourceMap(counter); + write(" = 0"); + emitEnd(node.expression); + // , _a = expr + write(", "); + emitStart(node.expression); + emitNodeWithoutSourceMap(rhsReference); + write(" = "); + emitNodeWithoutSourceMap(node.expression); + emitEnd(node.expression); + write("; "); + // _i < _a.length; + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write(" < "); + emitNodeWithCommentsAndWithoutSourcemap(rhsReference); + write(".length"); + emitEnd(node.expression); + write("; "); + // _i++) + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write("++"); + emitEnd(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + // Body + write(" {"); + writeLine(); + increaseIndent(); + // Initialize LHS + // let v = _a[_i]; + var rhsIterationValue = createElementAccessExpression(rhsReference, counter); + emitStart(node.initializer); + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + write("var "); + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length > 0) { + var declaration = variableDeclarationList.declarations[0]; + if (ts.isBindingPattern(declaration.name)) { + // This works whether the declaration is a var, let, or const. + // It will use rhsIterationValue _a[_i] as the initializer. + emitDestructuring(declaration, /*isAssignmentExpressionStatement*/ false, rhsIterationValue); + } + else { + // The following call does not include the initializer, so we have + // to emit it separately. + emitNodeWithCommentsAndWithoutSourcemap(declaration); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + // It's an empty declaration list. This can only happen in an error case, if the user wrote + // for (let of []) {} + emitNodeWithoutSourceMap(createTempVariable(0 /* Auto */)); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + // Initializer is an expression. Emit the expression in the body, so that it's + // evaluated on every iteration. + var assignmentExpression = createBinaryExpression(node.initializer, 56 /* EqualsToken */, rhsIterationValue, /*startsOnNewLine*/ false); + if (node.initializer.kind === 167 /* ArrayLiteralExpression */ || node.initializer.kind === 168 /* ObjectLiteralExpression */) { + // This is a destructuring pattern, so call emitDestructuring instead of emit. Calling emit will not work, because it will cause + // the BinaryExpression to be passed in instead of the expression statement, which will cause emitDestructuring to crash. + emitDestructuring(assignmentExpression, /*isAssignmentExpressionStatement*/ true, /*value*/ undefined); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); + } + } + emitEnd(node.initializer); + write(";"); + if (loop) { + writeLine(); + emitConvertedLoopCall(loop, /*emitAsBlock*/ false); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ false); + } + writeLine(); + decreaseIndent(); + write("}"); + } + function emitBreakOrContinueStatement(node) { + if (convertedLoopState) { + // check if we can emit break\continue as is + // it is possible if either + // - break\continue is statement labeled and label is located inside the converted loop + // - break\continue is non-labeled and located in non-converted loop\switch statement + var jump = node.kind === 206 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + write("return "); + // explicit exit from loop -> copy out parameters + copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ false); + if (!node.label) { + if (node.kind === 206 /* BreakStatement */) { + convertedLoopState.nonLocalJumps |= 2 /* Break */; + write("\"break\";"); + } + else { + convertedLoopState.nonLocalJumps |= 4 /* Continue */; + write("\"continue\";"); + } + } + else { + var labelMarker = void 0; + if (node.kind === 206 /* BreakStatement */) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); + } + write("\"" + labelMarker + "\";"); + } + return; + } + } + emitToken(node.kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */, node.pos); + emitOptional(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + if (convertedLoopState) { + convertedLoopState.nonLocalJumps |= 8 /* Return */; + write("return { value: "); + if (node.expression) { + emit(node.expression); + } + else { + write("void 0"); + } + write(" };"); + return; + } + emitToken(94 /* ReturnKeyword */, node.pos); + emitOptional(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emit(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var endPos = emitToken(96 /* SwitchKeyword */, node.pos); + write(" "); + emitToken(17 /* OpenParenToken */, endPos); + emit(node.expression); + endPos = emitToken(18 /* CloseParenToken */, node.expression.end); + write(" "); + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + // for switch statement allow only non-labeled break + convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; + } + emitCaseBlock(node.caseBlock, endPos); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function emitCaseBlock(node, startPos) { + emitToken(15 /* OpenBraceToken */, startPos); + increaseIndent(); + emitLines(node.clauses); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.clauses.end); + } + function nodeStartPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function nodeEndPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); + } + function nodeEndIsOnSameLineAsNodeStart(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function emitCaseOrDefaultClause(node) { + if (node.kind === 244 /* CaseClause */) { + write("case "); + emit(node.expression); + write(":"); + } + else { + write("default:"); + } + if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { + write(" "); + emit(node.statements[0]); + } + else { + increaseIndent(); + emitLines(node.statements); + decreaseIndent(); + } + } + function emitThrowStatement(node) { + write("throw "); + emit(node.expression); + write(";"); + } + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); + } + } + function emitCatchClause(node) { + writeLine(); + var endPos = emitToken(72 /* CatchKeyword */, node.pos); + write(" "); + emitToken(17 /* OpenParenToken */, endPos); + emit(node.variableDeclaration); + emitToken(18 /* CloseParenToken */, node.variableDeclaration ? node.variableDeclaration.end : endPos); + write(" "); + emitBlock(node.block); + } + function emitDebuggerStatement(node) { + emitToken(76 /* DebuggerKeyword */, node.pos); + write(";"); + } + function emitLabelAndColon(node) { + emit(node.label); + write(": "); + } + function emitLabeledStatement(node) { + if (!ts.isIterationStatement(node.statement, /* lookInLabeledStatements */ false) || !shouldConvertLoopBody(node.statement)) { + emitLabelAndColon(node); + } + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = {}; + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + emit(node.statement); + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + } + function getContainingModule(node) { + do { + node = node.parent; + } while (node && node.kind !== 221 /* ModuleDeclaration */); + return node; + } + function emitContainingModuleName(node) { + var container = getContainingModule(node); + write(container ? getGeneratedNameForNode(container) : "exports"); + } + function emitModuleMemberName(node) { + emitStart(node.name); + if (ts.getCombinedNodeFlags(node) & 2 /* Export */) { + var container = getContainingModule(node); + if (container) { + write(getGeneratedNameForNode(container)); + write("."); + } + else if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { + write("exports."); + } + } + emitNodeWithCommentsAndWithoutSourcemap(node.name); + emitEnd(node.name); + } + function createVoidZero() { + var zero = ts.createSynthesizedNode(8 /* NumericLiteral */); + zero.text = "0"; + var result = ts.createSynthesizedNode(180 /* VoidExpression */); + result.expression = zero; + return result; + } + function emitEs6ExportDefaultCompat(node) { + if (node.parent.kind === 251 /* SourceFile */) { + ts.Debug.assert(!!(node.flags & 512 /* Default */) || node.kind === 230 /* ExportAssignment */); + // only allow export default at a source file level + if (modulekind === 1 /* CommonJS */ || modulekind === 2 /* AMD */ || modulekind === 3 /* UMD */) { + if (!isEs6Module) { + if (languageVersion !== 0 /* ES3 */) { + // default value of configurable, enumerable, writable are `false`. + write("Object.defineProperty(exports, \"__esModule\", { value: true });"); + writeLine(); + } + else { + write("exports.__esModule = true;"); + writeLine(); + } + } + } + } + } + function emitExportMemberAssignment(node) { + if (node.flags & 2 /* Export */) { + writeLine(); + emitStart(node); + // emit call to exporter only for top level nodes + if (modulekind === 4 /* System */ && node.parent === currentSourceFile) { + // emit export default as + // export("default", ) + write(exportFunctionForFile + "(\""); + if (node.flags & 512 /* Default */) { + write("default"); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + write("\", "); + emitDeclarationName(node); + write(")"); + } + else { + if (node.flags & 512 /* Default */) { + emitEs6ExportDefaultCompat(node); + if (languageVersion === 0 /* ES3 */) { + write("exports[\"default\"]"); + } + else { + write("exports.default"); + } + } + else { + emitModuleMemberName(node); + } + write(" = "); + emitDeclarationName(node); + } + emitEnd(node); + write(";"); + } + } + function emitExportMemberAssignments(name) { + if (modulekind === 4 /* System */) { + return; + } + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { + var specifier = _b[_a]; + writeLine(); + emitStart(specifier.name); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + emitEnd(specifier.name); + write(" = "); + emitExpressionIdentifier(name); + write(";"); + } + } + } + function emitExportSpecifierInSystemModule(specifier) { + ts.Debug.assert(modulekind === 4 /* System */); + if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { + return; + } + writeLine(); + emitStart(specifier.name); + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write("\", "); + emitExpressionIdentifier(specifier.propertyName || specifier.name); + write(")"); + emitEnd(specifier.name); + write(";"); + } + /** + * Emit an assignment to a given identifier, 'name', with a given expression, 'value'. + * @param name an identifier as a left-hand-side operand of the assignment + * @param value an expression as a right-hand-side operand of the assignment + * @param shouldEmitCommaBeforeAssignment a boolean indicating whether to prefix an assignment with comma + */ + function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { + if (shouldEmitCommaBeforeAssignment) { + write(", "); + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(name); + write("\", "); + } + var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 /* VariableDeclaration */ || name.parent.kind === 166 /* BindingElement */); + // If this is first var declaration, we need to start at var/let/const keyword instead + // otherwise use nodeForSourceMap as the start position + emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); + withTemporaryNoSourceMap(function () { + if (isVariableDeclarationOrBindingElement) { + emitModuleMemberName(name.parent); + } + else { + emit(name); + } + write(" = "); + emit(value); + }); + emitEnd(nodeForSourceMap, /*stopOverridingSpan*/ true); + if (exportChanged) { + write(")"); + } + } + /** + * Create temporary variable, emit an assignment of the variable the given expression + * @param expression an expression to assign to the newly created temporary variable + * @param canDefineTempVariablesInPlace a boolean indicating whether you can define the temporary variable at an assignment location + * @param shouldEmitCommaBeforeAssignment a boolean indicating whether an assignment should prefix with comma + */ + function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { + var identifier = createTempVariable(0 /* Auto */); + if (!canDefineTempVariablesInPlace) { + recordTempDeclaration(identifier); + } + emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); + return identifier; + } + function isFirstVariableDeclaration(root) { + return root.kind === 214 /* VariableDeclaration */ && + root.parent.kind === 215 /* VariableDeclarationList */ && + root.parent.declarations[0] === root; + } + function emitDestructuring(root, isAssignmentExpressionStatement, value) { + var emitCount = 0; + // An exported declaration is actually emitted as an assignment (to a property on the module object), so + // temporary variables in an exported declaration need to have real declarations elsewhere + // Also temporary variables should be explicitly allocated for source level declarations when module target is system + // because actual variable declarations are hoisted + var canDefineTempVariablesInPlace = false; + if (root.kind === 214 /* VariableDeclaration */) { + var isExported = ts.getCombinedNodeFlags(root) & 2 /* Export */; + var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); + canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; + } + else if (root.kind === 139 /* Parameter */) { + canDefineTempVariablesInPlace = true; + } + if (root.kind === 184 /* BinaryExpression */) { + emitAssignmentExpression(root); + } + else { + ts.Debug.assert(!isAssignmentExpressionStatement); + // If first variable declaration of variable statement correct the start location + if (isFirstVariableDeclaration(root)) { + // Use emit location of "var " as next emit start entry + sourceMap.changeEmitSourcePos(); + } + emitBindingElement(root, value); + } + /** + * Ensures that there exists a declared identifier whose value holds the given expression. + * This function is useful to ensure that the expression's value can be read from in subsequent expressions. + * Unless 'reuseIdentifierExpressions' is false, 'expr' will be returned if it is just an identifier. + * + * @param expr the expression whose value needs to be bound. + * @param reuseIdentifierExpressions true if identifier expressions can simply be returned; + * false if it is necessary to always emit an identifier. + */ + function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { + if (expr.kind === 69 /* Identifier */ && reuseIdentifierExpressions) { + return expr; + } + var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); + emitCount++; + return identifier; + } + function createDefaultValueCheck(value, defaultValue, sourceMapNode) { + // The value expression will be evaluated twice, so for anything but a simple identifier + // we need to generate a temporary variable + // If the temporary variable needs to be emitted use the source Map node for assignment of that statement + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + // Return the expression 'value === void 0 ? defaultValue : value' + var equals = ts.createSynthesizedNode(184 /* BinaryExpression */); + equals.left = value; + equals.operatorToken = ts.createSynthesizedNode(32 /* EqualsEqualsEqualsToken */); + equals.right = createVoidZero(); + return createConditionalExpression(equals, defaultValue, value); + } + function createConditionalExpression(condition, whenTrue, whenFalse) { + var cond = ts.createSynthesizedNode(185 /* ConditionalExpression */); + cond.condition = condition; + cond.questionToken = ts.createSynthesizedNode(53 /* QuestionToken */); + cond.whenTrue = whenTrue; + cond.colonToken = ts.createSynthesizedNode(54 /* ColonToken */); + cond.whenFalse = whenFalse; + return cond; + } + function createNumericLiteral(value) { + var node = ts.createSynthesizedNode(8 /* NumericLiteral */); + node.text = "" + value; + return node; + } + function createPropertyAccessForDestructuringProperty(object, propName) { + var index; + var nameIsComputed = propName.kind === 137 /* ComputedPropertyName */; + if (nameIsComputed) { + // TODO to handle when we look into sourcemaps for computed properties, for now use propName + index = ensureIdentifier(propName.expression, /*reuseIdentifierExpressions*/ false, propName); + } + else { + // We create a synthetic copy of the identifier in order to avoid the rewriting that might + // otherwise occur when the identifier is emitted. + index = ts.createSynthesizedNode(propName.kind); + // We need to unescape identifier here because when parsing an identifier prefixing with "__" + // the parser need to append "_" in order to escape colliding with magic identifiers such as "__proto__" + // Therefore, in order to correctly emit identifiers that are written in original TypeScript file, + // we will unescapeIdentifier to remove additional underscore (if no underscore is added, the function will return original input string) + index.text = ts.unescapeIdentifier(propName.text); + } + return !nameIsComputed && index.kind === 69 /* Identifier */ + ? createPropertyAccessExpression(object, index) + : createElementAccessExpression(object, index); + } + function createSliceCall(value, sliceIndex) { + var call = ts.createSynthesizedNode(171 /* CallExpression */); + var sliceIdentifier = ts.createSynthesizedNode(69 /* Identifier */); + sliceIdentifier.text = "slice"; + call.expression = createPropertyAccessExpression(value, sliceIdentifier); + call.arguments = ts.createSynthesizedNodeArray(); + call.arguments[0] = createNumericLiteral(sliceIndex); + return call; + } + function emitObjectLiteralAssignment(target, value, sourceMapNode) { + var properties = target.properties; + if (properties.length !== 1) { + // For anything but a single element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. + // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + } + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var p = properties_5[_a]; + if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { + var propName = p.name; + var target_1 = p.kind === 249 /* ShorthandPropertyAssignment */ ? p : p.initializer || propName; + // Assignment for target = value.propName should highligh whole property, hence use p as source map node + emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); + } + } + } + function emitArrayLiteralAssignment(target, value, sourceMapNode) { + var elements = target.elements; + if (elements.length !== 1) { + // For anything but a single element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. + // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + } + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190 /* OmittedExpression */) { + // Assignment for target = value.propName should highligh whole property, hence use e as source map node + if (e.kind !== 188 /* SpreadElementExpression */) { + emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); + } + else if (i === elements.length - 1) { + emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); + } + } + } + } + function emitDestructuringAssignment(target, value, sourceMapNode) { + // When emitting target = value use source map node to highlight, including any temporary assignments needed for this + if (target.kind === 249 /* ShorthandPropertyAssignment */) { + if (target.objectAssignmentInitializer) { + value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); + } + target = target.name; + } + else if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { + value = createDefaultValueCheck(value, target.right, sourceMapNode); + target = target.left; + } + if (target.kind === 168 /* ObjectLiteralExpression */) { + emitObjectLiteralAssignment(target, value, sourceMapNode); + } + else if (target.kind === 167 /* ArrayLiteralExpression */) { + emitArrayLiteralAssignment(target, value, sourceMapNode); + } + else { + emitAssignment(target, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, sourceMapNode); + emitCount++; + } + } + function emitAssignmentExpression(root) { + var target = root.left; + var value = root.right; + if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { + emit(value); + } + else if (isAssignmentExpressionStatement) { + // Source map node for root.left = root.right is root + // but if root is synthetic, which could be in below case, use the target which is { a } + // for ({a} of {a: string}) { + // } + emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); + } + else { + if (root.parent.kind !== 175 /* ParenthesizedExpression */) { + write("("); + } + // Temporary assignment needed to emit root should highlight whole binary expression + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, root); + // Source map node for root.left = root.right is root + emitDestructuringAssignment(target, value, root); + write(", "); + emit(value); + if (root.parent.kind !== 175 /* ParenthesizedExpression */) { + write(")"); + } + } + } + function emitBindingElement(target, value) { + // Any temporary assignments needed to emit target = value should point to target + if (target.initializer) { + // Combine value and initializer + value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; + } + else if (!value) { + // Use 'void 0' in absence of value and initializer + value = createVoidZero(); + } + if (ts.isBindingPattern(target.name)) { + var pattern = target.name; + var elements = pattern.elements; + var numElements = elements.length; + if (numElements !== 1) { + // For anything other than a single-element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. Additionally, if we have zero elements + // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, + // so in that case, we'll intentionally create that temporary. + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ numElements !== 0, target); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (pattern.kind === 164 /* ObjectBindingPattern */) { + // Rewrite element to a declaration with an initializer that fetches property + var propName = element.propertyName || element.name; + emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); + } + else if (element.kind !== 190 /* OmittedExpression */) { + if (!element.dotDotDotToken) { + // Rewrite element to a declaration that accesses array element at index i + emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); + } + else if (i === numElements - 1) { + emitBindingElement(element, createSliceCall(value, i)); + } + } + } + } + else { + emitAssignment(target.name, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, target); + emitCount++; + } + } + } + function emitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + if (languageVersion < 2 /* ES6 */) { + emitDestructuring(node, /*isAssignmentExpressionStatement*/ false); + } + else { + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + else { + var initializer = node.initializer; + if (!initializer && + languageVersion < 2 /* ES6 */ && + // for names - binding patterns that lack initializer there is no point to emit explicit initializer + // since downlevel codegen for destructuring will fail in the absence of initializer so all binding elements will say uninitialized + node.name.kind === 69 /* Identifier */) { + var container = ts.getEnclosingBlockScopeContainer(node); + var flags = resolver.getNodeCheckFlags(node); + // nested let bindings might need to be initialized explicitly to preserve ES6 semantic + // { let x = 1; } + // { let x; } // x here should be undefined. not 1 + // NOTES: + // Top level bindings never collide with anything and thus don't require explicit initialization. + // As for nested let bindings there are two cases: + // - nested let bindings that were not renamed definitely should be initialized explicitly + // { let x = 1; } + // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // Without explicit initialization code in /*1*/ can be executed even if some-condition is evaluated to false + // - renaming introduces fresh name that should not collide with any existing names, however renamed bindings sometimes also should be + // explicitly initialized. One particular case: non-captured binding declared inside loop body (but not in loop initializer) + // let x; + // for (;;) { + // let x; + // } + // in downlevel codegen inner 'x' will be renamed so it won't collide with outer 'x' however it will should be reset on every iteration + // as if it was declared anew. + // * Why non-captured binding - because if loop contains block scoped binding captured in some function then loop body will be rewritten + // to have a fresh scope on every iteration so everything will just work. + // * Why loop initializer is excluded - since we've introduced a fresh name it already will be undefined. + var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; + var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || + (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false)); + var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 /* Let */ && + !emittedAsTopLevel; + var emitExplicitInitializer = emittedAsNestedLetDeclaration && + container.kind !== 203 /* ForInStatement */ && + container.kind !== 204 /* ForOfStatement */ && + (!resolver.isDeclarationWithCollidingName(node) || + (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, /*lookInLabeledStatements*/ false))); + if (emitExplicitInitializer) { + initializer = createVoidZero(); + } + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(node.name); + write("\", "); + } + emitModuleMemberName(node); + emitOptional(" = ", initializer); + if (exportChanged) { + write(")"); + } + } + } + function emitExportVariableAssignments(node) { + if (node.kind === 190 /* OmittedExpression */) { + return; + } + var name = node.name; + if (name.kind === 69 /* Identifier */) { + emitExportMemberAssignments(name); + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, emitExportVariableAssignments); + } + } + function isES6ExportedDeclaration(node) { + return !!(node.flags & 2 /* Export */) && + modulekind === 5 /* ES6 */ && + node.parent.kind === 251 /* SourceFile */; + } + function emitVariableStatement(node) { + var startIsEmitted = false; + if (node.flags & 2 /* Export */) { + if (isES6ExportedDeclaration(node)) { + // Exported ES6 module member + write("export "); + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + } + else { + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + if (startIsEmitted) { + emitCommaList(node.declarationList.declarations); + write(";"); + } + else { + var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); + if (atLeastOneItem) { + write(";"); + } + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { + ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); + } + } + function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { + // If we're not exporting the variables, there's nothing special here. + // Always emit comments for these nodes. + if (!(node.flags & 2 /* Export */)) { + return true; + } + // If we are exporting, but it's a top-level ES6 module exports, + // we'll emit the declaration list verbatim, so emit comments too. + if (isES6ExportedDeclaration(node)) { + return true; + } + // Otherwise, only emit if we have at least one initializer present. + for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { + var declaration = _b[_a]; + if (declaration.initializer) { + return true; + } + } + return false; + } + function emitParameter(node) { + if (languageVersion < 2 /* ES6 */) { + if (ts.isBindingPattern(node.name)) { + var name_27 = createTempVariable(0 /* Auto */); + if (!tempParameters) { + tempParameters = []; + } + tempParameters.push(name_27); + emit(name_27); + } + else { + emit(node.name); + } + } + else { + if (node.dotDotDotToken) { + write("..."); + } + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + function emitDefaultValueAssignments(node) { + if (languageVersion < 2 /* ES6 */) { + var tempIndex_1 = 0; + ts.forEach(node.parameters, function (parameter) { + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + if (parameter.dotDotDotToken) { + return; + } + var paramName = parameter.name, initializer = parameter.initializer; + if (ts.isBindingPattern(paramName)) { + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + var hasBindingElements = paramName.elements.length > 0; + if (hasBindingElements || initializer) { + writeLine(); + write("var "); + if (hasBindingElements) { + emitDestructuring(parameter, /*isAssignmentExpressionStatement*/ false, tempParameters[tempIndex_1]); + } + else { + emit(tempParameters[tempIndex_1]); + write(" = "); + emit(initializer); + } + write(";"); + tempIndex_1++; + } + } + else if (initializer) { + writeLine(); + emitStart(parameter); + write("if ("); + emitNodeWithoutSourceMap(paramName); + write(" === void 0)"); + emitEnd(parameter); + write(" { "); + emitStart(parameter); + emitNodeWithCommentsAndWithoutSourcemap(paramName); + write(" = "); + emitNodeWithCommentsAndWithoutSourcemap(initializer); + emitEnd(parameter); + write("; }"); + } + }); + } + } + function emitRestParameter(node) { + if (languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node)) { + var restIndex = node.parameters.length - 1; + var restParam = node.parameters[restIndex]; + // A rest parameter cannot have a binding pattern, so let's just ignore it if it does. + if (ts.isBindingPattern(restParam.name)) { + return; + } + var tempName = createTempVariable(268435456 /* _i */).text; + writeLine(); + emitLeadingComments(restParam); + emitStart(restParam); + write("var "); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write(" = [];"); + emitEnd(restParam); + emitTrailingComments(restParam); + writeLine(); + write("for ("); + emitStart(restParam); + write("var " + tempName + " = " + restIndex + ";"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + " < arguments.length;"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + "++"); + emitEnd(restParam); + write(") {"); + increaseIndent(); + writeLine(); + emitStart(restParam); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); + emitEnd(restParam); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitAccessor(node) { + write(node.kind === 146 /* GetAccessor */ ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node); + } + function shouldEmitAsArrowFunction(node) { + return node.kind === 177 /* ArrowFunction */ && languageVersion >= 2 /* ES6 */; + } + function emitDeclarationName(node) { + if (node.name) { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + else { + write(getGeneratedNameForNode(node)); + } + } + function shouldEmitFunctionName(node) { + if (node.kind === 176 /* FunctionExpression */) { + // Emit name if one is present + return !!node.name; + } + if (node.kind === 216 /* FunctionDeclaration */) { + // Emit name if one is present, or emit generated name in down-level case (for export default case) + return !!node.name || modulekind !== 5 /* ES6 */; + } + } + function emitFunctionDeclaration(node) { + if (ts.nodeIsMissing(node.body)) { + return emitCommentsOnNotEmittedNode(node); + } + // TODO (yuisu) : we should not have special cases to condition emitting comments + // but have one place to fix check for these conditions. + var kind = node.kind, parent = node.parent; + if (kind !== 144 /* MethodDeclaration */ && + kind !== 143 /* MethodSignature */ && + parent && + parent.kind !== 248 /* PropertyAssignment */ && + parent.kind !== 171 /* CallExpression */ && + parent.kind !== 167 /* ArrayLiteralExpression */) { + // 1. Methods will emit comments at their assignment declaration sites. + // + // 2. If the function is a property of object literal, emitting leading-comments + // is done by emitNodeWithoutSourceMap which then call this function. + // In particular, we would like to avoid emit comments twice in following case: + // + // var obj = { + // id: + // /*comment*/ () => void + // } + // + // 3. If the function is an argument in call expression, emitting of comments will be + // taken care of in emit list of arguments inside of 'emitCallExpression'. + // + // 4. If the function is in an array literal, 'emitLinePreservingList' will take care + // of leading comments. + emitLeadingComments(node); + } + emitStart(node); + // For targeting below es6, emit functions-like declaration including arrow function using function keyword. + // When targeting ES6, emit arrow function natively in ES6 by omitting function keyword and using fat arrow instead + if (!shouldEmitAsArrowFunction(node)) { + if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512 /* Default */) { + write("default "); + } + } + write("function"); + if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { + write("*"); + } + write(" "); + } + if (shouldEmitFunctionName(node)) { + emitDeclarationName(node); + } + emitSignatureAndBody(node); + if (modulekind !== 5 /* ES6 */ && kind === 216 /* FunctionDeclaration */ && parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + emitEnd(node); + if (kind !== 144 /* MethodDeclaration */ && kind !== 143 /* MethodSignature */) { + emitTrailingComments(node); + } + } + function emitCaptureThisForNodeIfNecessary(node) { + if (resolver.getNodeCheckFlags(node) & 4 /* CaptureThis */) { + writeLine(); + emitStart(node); + write("var _this = this;"); + emitEnd(node); + } + } + function emitSignatureParameters(node) { + increaseIndent(); + write("("); + if (node) { + var parameters = node.parameters; + var omitCount = languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node) ? 1 : 0; + emitList(parameters, 0, parameters.length - omitCount, /*multiLine*/ false, /*trailingComma*/ false); + } + write(")"); + decreaseIndent(); + } + function emitSignatureParametersForArrow(node) { + // Check whether the parameter list needs parentheses and preserve no-parenthesis + if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { + emit(node.parameters[0]); + return; + } + emitSignatureParameters(node); + } + function emitAsyncFunctionBodyForES6(node) { + var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); + var isArrowFunction = node.kind === 177 /* ArrowFunction */; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; + // An async function is emit as an outer function that calls an inner + // generator function. To preserve lexical bindings, we pass the current + // `this` and `arguments` objects to `__awaiter`. The generator function + // passed to `__awaiter` is executed inside of the callback to the + // promise constructor. + // + // The emit for an async arrow without a lexical `arguments` binding might be: + // + // // input + // let a = async (b) => { await b; } + // + // // output + // let a = (b) => __awaiter(this, void 0, void 0, function* () { + // yield b; + // }); + // + // The emit for an async arrow with a lexical `arguments` binding might be: + // + // // input + // let a = async (b) => { await arguments[0]; } + // + // // output + // let a = (b) => __awaiter(this, arguments, void 0, function* (arguments) { + // yield arguments[0]; + // }); + // + // The emit for an async function expression without a lexical `arguments` binding + // might be: + // + // // input + // let a = async function (b) { + // await b; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, void 0, void 0, function* () { + // yield b; + // }); + // } + // + // The emit for an async function expression with a lexical `arguments` binding + // might be: + // + // // input + // let a = async function (b) { + // await arguments[0]; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, arguments, void 0, function* (_arguments) { + // yield _arguments[0]; + // }); + // } + // + // The emit for an async function expression with a lexical `arguments` binding + // and a return type annotation might be: + // + // // input + // let a = async function (b): MyPromise { + // await arguments[0]; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, arguments, MyPromise, function* (_arguments) { + // yield _arguments[0]; + // }); + // } + // + // If this is not an async arrow, emit the opening brace of the function body + // and the start of the return statement. + if (!isArrowFunction) { + write(" {"); + increaseIndent(); + writeLine(); + if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { + writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); + writeLine(); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { + write("const _super = name => super[name];"); + writeLine(); + } + write("return"); + } + write(" __awaiter(this"); + if (hasLexicalArguments) { + write(", arguments, "); + } + else { + write(", void 0, "); + } + if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */)) { + write("void 0"); + } + else { + emitEntityNameAsExpression(promiseConstructor, /*useFallback*/ false); + } + // Emit the call to __awaiter. + write(", function* ()"); + // Emit the signature and body for the inner generator function. + emitFunctionBody(node); + write(")"); + // If this is not an async arrow, emit the closing brace of the outer function body. + if (!isArrowFunction) { + write(";"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitFunctionBody(node) { + if (!node.body) { + // There can be no body when there are parse errors. Just emit an empty block + // in that case. + write(" { }"); + } + else { + if (node.body.kind === 195 /* Block */) { + emitBlockFunctionBody(node, node.body); + } + else { + emitExpressionFunctionBody(node, node.body); + } + } + } + function emitSignatureAndBody(node) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + // When targeting ES6, emit arrow function natively in ES6 + if (shouldEmitAsArrowFunction(node)) { + emitSignatureParametersForArrow(node); + write(" =>"); + } + else { + emitSignatureParameters(node); + } + var isAsync = ts.isAsyncFunctionLike(node); + if (isAsync) { + emitAsyncFunctionBodyForES6(node); + } + else { + emitFunctionBody(node); + } + if (!isES6ExportedDeclaration(node)) { + emitExportMemberAssignment(node); + } + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + // Returns true if any preamble code was emitted. + function emitFunctionBodyPreamble(node) { + emitCaptureThisForNodeIfNecessary(node); + emitDefaultValueAssignments(node); + emitRestParameter(node); + } + function emitExpressionFunctionBody(node, body) { + if (languageVersion < 2 /* ES6 */ || node.flags & 256 /* Async */) { + emitDownLevelExpressionFunctionBody(node, body); + return; + } + // For es6 and higher we can emit the expression as is. However, in the case + // where the expression might end up looking like a block when emitted, we'll + // also wrap it in parentheses first. For example if you have: a => {} + // then we need to generate: a => ({}) + write(" "); + // Unwrap all type assertions. + var current = body; + while (current.kind === 174 /* TypeAssertionExpression */) { + current = current.expression; + } + emitParenthesizedIf(body, current.kind === 168 /* ObjectLiteralExpression */); + } + function emitDownLevelExpressionFunctionBody(node, body) { + write(" {"); + increaseIndent(); + var outPos = writer.getTextPos(); + emitDetachedCommentsAndUpdateCommentsInfo(node.body); + emitFunctionBodyPreamble(node); + var preambleEmitted = writer.getTextPos() !== outPos; + decreaseIndent(); + // If we didn't have to emit any preamble code, then attempt to keep the arrow + // function on one line. + if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { + write(" "); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTempDeclarations(/*newLine*/ false); + write(" "); + } + else { + increaseIndent(); + writeLine(); + emitLeadingComments(node.body); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTrailingComments(node.body); + emitTempDeclarations(/*newLine*/ true); + decreaseIndent(); + writeLine(); + } + emitStart(node.body); + write("}"); + emitEnd(node.body); + } + function emitBlockFunctionBody(node, body) { + write(" {"); + var initialTextPos = writer.getTextPos(); + increaseIndent(); + emitDetachedCommentsAndUpdateCommentsInfo(body.statements); + // Emit all the directive prologues (like "use strict"). These have to come before + // any other preamble code we write (like parameter initializers). + var startIndex = emitDirectivePrologues(body.statements, /*startWithNewLine*/ true); + emitFunctionBodyPreamble(node); + decreaseIndent(); + var preambleEmitted = writer.getTextPos() !== initialTextPos; + if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + write(" "); + emit(statement); + } + emitTempDeclarations(/*newLine*/ false); + write(" "); + emitLeadingCommentsOfPosition(body.statements.end); + } + else { + increaseIndent(); + emitLinesStartingAt(body.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + writeLine(); + emitLeadingCommentsOfPosition(body.statements.end); + decreaseIndent(); + } + emitToken(16 /* CloseBraceToken */, body.statements.end); + } + /** + * Return the statement at a given index if it is a super-call statement + * @param ctor a constructor declaration + * @param index an index to constructor's body to check + */ + function getSuperCallAtGivenIndex(ctor, index) { + if (!ctor.body) { + return undefined; + } + var statements = ctor.body.statements; + if (!statements || index >= statements.length) { + return undefined; + } + var statement = statements[index]; + if (statement.kind === 198 /* ExpressionStatement */) { + return ts.isSuperCallExpression(statement.expression) ? statement : undefined; + } + } + function emitParameterPropertyAssignments(node) { + ts.forEach(node.parameters, function (param) { + if (param.flags & 56 /* AccessibilityModifier */) { + writeLine(); + emitStart(param); + emitStart(param.name); + write("this."); + emitNodeWithoutSourceMap(param.name); + emitEnd(param.name); + write(" = "); + emit(param.name); + write(";"); + emitEnd(param); + } + }); + } + function emitMemberAccessForPropertyName(memberName) { + // This does not emit source map because it is emitted by caller as caller + // is aware how the property name changes to the property access + // eg. public x = 10; becomes this.x and static x = 10 becomes className.x + if (memberName.kind === 9 /* StringLiteral */ || memberName.kind === 8 /* NumericLiteral */) { + write("["); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + write("]"); + } + else if (memberName.kind === 137 /* ComputedPropertyName */) { + emitComputedPropertyName(memberName); + } + else { + write("."); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + } + } + function getInitializedProperties(node, isStatic) { + var properties = []; + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if (member.kind === 142 /* PropertyDeclaration */ && isStatic === ((member.flags & 64 /* Static */) !== 0) && member.initializer) { + properties.push(member); + } + } + return properties; + } + function emitPropertyDeclarations(node, properties) { + for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { + var property = properties_6[_a]; + emitPropertyDeclaration(node, property); + } + } + function emitPropertyDeclaration(node, property, receiver, isExpression) { + writeLine(); + emitLeadingComments(property); + emitStart(property); + emitStart(property.name); + if (receiver) { + emit(receiver); + } + else { + if (property.flags & 64 /* Static */) { + emitDeclarationName(node); + } + else { + write("this"); + } + } + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + emit(property.initializer); + if (!isExpression) { + write(";"); + } + emitEnd(property); + emitTrailingComments(property); + } + function emitMemberFunctionsForES5AndLower(node) { + ts.forEach(node.members, function (member) { + if (member.kind === 194 /* SemicolonClassElement */) { + writeLine(); + write(";"); + } + else if (member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) { + if (!member.body) { + return emitCommentsOnNotEmittedNode(member); + } + writeLine(); + emitLeadingComments(member); + emitStart(member); + emitStart(member.name); + emitClassMemberPrefix(node, member); + emitMemberAccessForPropertyName(member.name); + emitEnd(member.name); + write(" = "); + emitFunctionDeclaration(member); + emitEnd(member); + write(";"); + emitTrailingComments(member); + } + else if (member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + writeLine(); + emitStart(member); + write("Object.defineProperty("); + emitStart(member.name); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + emitEnd(member.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("});"); + emitEnd(member); + } + } + }); + } + function emitMemberFunctionsForES6AndHigher(node) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + else if (member.kind === 144 /* MethodDeclaration */ || + member.kind === 146 /* GetAccessor */ || + member.kind === 147 /* SetAccessor */) { + writeLine(); + emitLeadingComments(member); + emitStart(member); + if (member.flags & 64 /* Static */) { + write("static "); + } + if (member.kind === 146 /* GetAccessor */) { + write("get "); + } + else if (member.kind === 147 /* SetAccessor */) { + write("set "); + } + if (member.asteriskToken) { + write("*"); + } + emit(member.name); + emitSignatureAndBody(member); + emitEnd(member); + emitTrailingComments(member); + } + else if (member.kind === 194 /* SemicolonClassElement */) { + writeLine(); + write(";"); + } + } + } + function emitConstructor(node, baseTypeElement) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + emitConstructorWorker(node, baseTypeElement); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitConstructorWorker(node, baseTypeElement) { + // Check if we have property assignment inside class declaration. + // If there is property assignment, we need to emit constructor whether users define it or not + // If there is no property assignment, we can omit constructor if users do not define it + var hasInstancePropertyWithInitializer = false; + // Emit the constructor overload pinned comments + ts.forEach(node.members, function (member) { + if (member.kind === 145 /* Constructor */ && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + // Check if there is any non-static property assignment + if (member.kind === 142 /* PropertyDeclaration */ && member.initializer && (member.flags & 64 /* Static */) === 0) { + hasInstancePropertyWithInitializer = true; + } + }); + var ctor = ts.getFirstConstructorWithBody(node); + // For target ES6 and above, if there is no user-defined constructor and there is no property assignment + // do not emit constructor in class declaration. + if (languageVersion >= 2 /* ES6 */ && !ctor && !hasInstancePropertyWithInitializer) { + return; + } + if (ctor) { + emitLeadingComments(ctor); + } + emitStart(ctor || node); + if (languageVersion < 2 /* ES6 */) { + write("function "); + emitDeclarationName(node); + emitSignatureParameters(ctor); + } + else { + write("constructor"); + if (ctor) { + emitSignatureParameters(ctor); + } + else { + // Based on EcmaScript6 section 14.5.14: Runtime Semantics: ClassDefinitionEvaluation. + // If constructor is empty, then, + // If ClassHeritageopt is present, then + // Let constructor be the result of parsing the String "constructor(... args){ super (...args);}" using the syntactic grammar with the goal symbol MethodDefinition. + // Else, + // Let constructor be the result of parsing the String "constructor( ){ }" using the syntactic grammar with the goal symbol MethodDefinition + if (baseTypeElement) { + write("(...args)"); + } + else { + write("()"); + } + } + } + var startIndex = 0; + write(" {"); + increaseIndent(); + if (ctor) { + // Emit all the directive prologues (like "use strict"). These have to come before + // any other preamble code we write (like parameter initializers). + startIndex = emitDirectivePrologues(ctor.body.statements, /*startWithNewLine*/ true); + emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); + } + emitCaptureThisForNodeIfNecessary(node); + var superCall; + if (ctor) { + emitDefaultValueAssignments(ctor); + emitRestParameter(ctor); + if (baseTypeElement) { + superCall = getSuperCallAtGivenIndex(ctor, startIndex); + if (superCall) { + writeLine(); + emit(superCall); + } + } + emitParameterPropertyAssignments(ctor); + } + else { + if (baseTypeElement) { + writeLine(); + emitStart(baseTypeElement); + if (languageVersion < 2 /* ES6 */) { + write("_super.apply(this, arguments);"); + } + else { + write("super(...args);"); + } + emitEnd(baseTypeElement); + } + } + emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ false)); + if (ctor) { + var statements = ctor.body.statements; + if (superCall) { + statements = statements.slice(1); + } + emitLinesStartingAt(statements, startIndex); + } + emitTempDeclarations(/*newLine*/ true); + writeLine(); + if (ctor) { + emitLeadingCommentsOfPosition(ctor.body.statements.end); + } + decreaseIndent(); + emitToken(16 /* CloseBraceToken */, ctor ? ctor.body.statements.end : node.members.end); + emitEnd(ctor || node); + if (ctor) { + emitTrailingComments(ctor); + } + } + function emitClassExpression(node) { + return emitClassLikeDeclaration(node); + } + function emitClassDeclaration(node) { + return emitClassLikeDeclaration(node); + } + function emitClassLikeDeclaration(node) { + if (languageVersion < 2 /* ES6 */) { + emitClassLikeDeclarationBelowES6(node); + } + else { + emitClassLikeDeclarationForES6AndHigher(node); + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + } + function emitClassLikeDeclarationForES6AndHigher(node) { + var decoratedClassAlias; + var thisNodeIsDecorated = ts.nodeIsDecorated(node); + if (node.kind === 217 /* ClassDeclaration */) { + if (thisNodeIsDecorated) { + // When we emit an ES6 class that has a class decorator, we must tailor the + // emit to certain specific cases. + // + // In the simplest case, we emit the class declaration as a let declaration, and + // evaluate decorators after the close of the class body: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C = class C { + // class C { | } + // } | C = __decorate([dec], C); + // --------------------------------|------------------------------------ + // @dec | export let C = class C { + // export class C { | } + // } | C = __decorate([dec], C); + // --------------------------------------------------------------------- + // [Example 1] + // + // If a class declaration contains a reference to itself *inside* of the class body, + // this introduces two bindings to the class: One outside of the class body, and one + // inside of the class body. If we apply decorators as in [Example 1] above, there + // is the possibility that the decorator `dec` will return a new value for the + // constructor, which would result in the binding inside of the class no longer + // pointing to the same reference as the binding outside of the class. + // + // As a result, we must instead rewrite all references to the class *inside* of the + // class body to instead point to a local temporary alias for the class: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C_1; + // class C { | let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // --------------------------------|------------------------------------ + // @dec | let C_1; + // export class C { | export let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // --------------------------------------------------------------------- + // [Example 2] + // + // If a class declaration is the default export of a module, we instead emit + // the export after the decorated declaration: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let default_1 = class { + // export default class { | } + // } | default_1 = __decorate([dec], default_1); + // | export default default_1; + // --------------------------------|------------------------------------ + // @dec | let C = class C { + // export default class { | } + // } | C = __decorate([dec], C); + // | export default C; + // --------------------------------------------------------------------- + // [Example 3] + // + // If the class declaration is the default export and a reference to itself + // inside of the class body, we must emit both an alias for the class *and* + // move the export after the declaration: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C_1; + // export default class C { | let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // | export default C; + // --------------------------------------------------------------------- + // [Example 4] + // + if (resolver.getNodeCheckFlags(node) & 524288 /* ClassWithBodyScopedClassBinding */) { + decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); + decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; + write("let " + decoratedClassAlias + ";"); + writeLine(); + } + if (isES6ExportedDeclaration(node) && !(node.flags & 512 /* Default */)) { + write("export "); + } + write("let "); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = "); + } + else if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512 /* Default */) { + write("default "); + } + } + } + // If the class has static properties, and it's a class expression, then we'll need + // to specialize the emit a bit. for a class expression of the form: + // + // class C { static a = 1; static b = 2; ... } + // + // We'll emit: + // + // (_temp = class C { ... }, _temp.a = 1, _temp.b = 2, _temp) + // + // This keeps the expression as an expression, while ensuring that the static parts + // of it have been initialized by the time it is used. + var staticProperties = getInitializedProperties(node, /*isStatic*/ true); + var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189 /* ClassExpression */; + var tempVariable; + if (isClassExpressionWithStaticProperties) { + tempVariable = createAndRecordTempVariable(0 /* Auto */); + write("("); + increaseIndent(); + emit(tempVariable); + write(" = "); + } + write("class"); + // emit name if + // - node has a name + // - this is default export with static initializers + if (node.name || (node.flags & 512 /* Default */ && (staticProperties.length > 0 || modulekind !== 5 /* ES6 */) && !thisNodeIsDecorated)) { + write(" "); + emitDeclarationName(node); + } + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write(" extends "); + emit(baseTypeNode.expression); + } + write(" {"); + increaseIndent(); + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES6AndHigher(node); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + if (thisNodeIsDecorated) { + decoratedClassAliases[ts.getNodeId(node)] = undefined; + write(";"); + } + // Emit static property assignment. Because classDeclaration is lexically evaluated, + // it is safe to emit static property assignment after classDeclaration + // From ES6 specification: + // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using + // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration. + if (isClassExpressionWithStaticProperties) { + for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { + var property = staticProperties_1[_a]; + write(","); + writeLine(); + emitPropertyDeclaration(node, property, /*receiver*/ tempVariable, /*isExpression*/ true); + } + write(","); + writeLine(); + emit(tempVariable); + decreaseIndent(); + write(")"); + } + else { + writeLine(); + emitPropertyDeclarations(node, staticProperties); + emitDecoratorsOfClass(node, decoratedClassAlias); + } + if (!(node.flags & 2 /* Export */)) { + return; + } + if (modulekind !== 5 /* ES6 */) { + emitExportMemberAssignment(node); + } + else { + // If this is an exported class, but not on the top level (i.e. on an internal + // module), export it + if (node.flags & 512 /* Default */) { + // if this is a top level default export of decorated class, write the export after the declaration. + if (thisNodeIsDecorated) { + writeLine(); + write("export default "); + emitDeclarationName(node); + write(";"); + } + } + else if (node.parent.kind !== 251 /* SourceFile */) { + writeLine(); + emitStart(node); + emitModuleMemberName(node); + write(" = "); + emitDeclarationName(node); + emitEnd(node); + write(";"); + } + } + } + function emitClassLikeDeclarationBelowES6(node) { + if (node.kind === 217 /* ClassDeclaration */) { + // source file level classes in system modules are hoisted so 'var's for them are already defined + if (!shouldHoistDeclarationInSystemJsModule(node)) { + write("var "); + } + emitDeclarationName(node); + write(" = "); + } + write("(function ("); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write("_super"); + } + write(") {"); + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; + var saveConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + computedPropertyNamesToGeneratedNames = undefined; + increaseIndent(); + if (baseTypeNode) { + writeLine(); + emitStart(baseTypeNode); + write("__extends("); + emitDeclarationName(node); + write(", _super);"); + emitEnd(baseTypeNode); + } + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES5AndLower(node); + emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ true)); + writeLine(); + emitDecoratorsOfClass(node, /*decoratedClassAlias*/ undefined); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end, function () { + write("return "); + emitDeclarationName(node); + }); + write(";"); + emitTempDeclarations(/*newLine*/ true); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + emitStart(node); + write("("); + if (baseTypeNode) { + emit(baseTypeNode.expression); + } + write("))"); + if (node.kind === 217 /* ClassDeclaration */) { + write(";"); + } + emitEnd(node); + if (node.kind === 217 /* ClassDeclaration */) { + emitExportMemberAssignment(node); + } + } + function emitClassMemberPrefix(node, member) { + emitDeclarationName(node); + if (!(member.flags & 64 /* Static */)) { + write(".prototype"); + } + } + function emitDecoratorsOfClass(node, decoratedClassAlias) { + emitDecoratorsOfMembers(node, /*staticFlag*/ 0); + emitDecoratorsOfMembers(node, 64 /* Static */); + emitDecoratorsOfConstructor(node, decoratedClassAlias); + } + function emitDecoratorsOfConstructor(node, decoratedClassAlias) { + var decorators = node.decorators; + var constructor = ts.getFirstConstructorWithBody(node); + var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); + // skip decoration of the constructor if neither it nor its parameters are decorated + if (!decorators && !firstParameterDecorator) { + return; + } + // Emit the call to __decorate. Given the class: + // + // @dec + // class C { + // } + // + // The emit for the class is: + // + // C = __decorate([dec], C); + // + writeLine(); + emitStart(node.decorators || firstParameterDecorator); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = __decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(constructor, /*leadingComma*/ argumentsWritten > 0); + } + emitSerializedTypeMetadata(node, /*leadingComma*/ argumentsWritten >= 0); + decreaseIndent(); + writeLine(); + write("], "); + emitDeclarationName(node); + write(")"); + emitEnd(node.decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + function emitDecoratorsOfMembers(node, staticFlag) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + // only emit members in the correct group + if ((member.flags & 64 /* Static */) !== staticFlag) { + continue; + } + // skip members that cannot be decorated (such as the constructor) + if (!ts.nodeCanBeDecorated(member)) { + continue; + } + // skip an accessor declaration if it is not the first accessor + var decorators = void 0; + var functionLikeMember = void 0; + if (ts.isAccessor(member)) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member !== accessors.firstAccessor) { + continue; + } + // get the decorators from the first accessor with decorators + decorators = accessors.firstAccessor.decorators; + if (!decorators && accessors.secondAccessor) { + decorators = accessors.secondAccessor.decorators; + } + // we only decorate parameters of the set accessor + functionLikeMember = accessors.setAccessor; + } + else { + decorators = member.decorators; + // we only decorate the parameters here if this is a method + if (member.kind === 144 /* MethodDeclaration */) { + functionLikeMember = member; + } + } + var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); + // skip a member if it or any of its parameters are not decorated + if (!decorators && !firstParameterDecorator) { + continue; + } + // Emit the call to __decorate. Given the following: + // + // class C { + // @dec method(@dec2 x) {} + // @dec get accessor() {} + // @dec prop; + // } + // + // The emit for a method is: + // + // __decorate([ + // dec, + // __param(0, dec2), + // __metadata("design:type", Function), + // __metadata("design:paramtypes", [Object]), + // __metadata("design:returntype", void 0) + // ], C.prototype, "method", undefined); + // + // The emit for an accessor is: + // + // __decorate([ + // dec + // ], C.prototype, "accessor", undefined); + // + // The emit for a property is: + // + // __decorate([ + // dec + // ], C.prototype, "prop"); + // + writeLine(); + emitStart(decorators || firstParameterDecorator); + write("__decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); + } + emitSerializedTypeMetadata(member, argumentsWritten > 0); + decreaseIndent(); + writeLine(); + write("], "); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + if (languageVersion > 0 /* ES3 */) { + if (member.kind !== 142 /* PropertyDeclaration */) { + // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly. + // We have this extra argument here so that we can inject an explicit property descriptor at a later date. + write(", null"); + } + else { + // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it + // should not invoke `Object.getOwnPropertyDescriptor`. + write(", void 0"); + } + } + write(")"); + emitEnd(decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + } + function emitDecoratorsOfParameters(node, leadingComma) { + var argumentsWritten = 0; + if (node) { + var parameterIndex_1 = 0; + for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { + var parameter = _b[_a]; + if (ts.nodeIsDecorated(parameter)) { + var decorators = parameter.decorators; + argumentsWritten += emitList(decorators, 0, decorators.length, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ leadingComma, /*noTrailingNewLine*/ true, function (decorator) { + write("__param(" + parameterIndex_1 + ", "); + emit(decorator.expression); + write(")"); + }); + leadingComma = true; + } + parameterIndex_1++; + } + } + return argumentsWritten; + } + function shouldEmitTypeMetadata(node) { + // This method determines whether to emit the "design:type" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 142 /* PropertyDeclaration */: + return true; + } + return false; + } + function shouldEmitReturnTypeMetadata(node) { + // This method determines whether to emit the "design:returntype" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 144 /* MethodDeclaration */: + return true; + } + return false; + } + function shouldEmitParamTypesMetadata(node) { + // This method determines whether to emit the "design:paramtypes" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 144 /* MethodDeclaration */: + case 147 /* SetAccessor */: + return true; + } + return false; + } + /** Serializes the type of a declaration to an appropriate JS constructor value. Used by the __metadata decorator for a class member. */ + function emitSerializedTypeOfNode(node) { + // serialization of the type of a declaration uses the following rules: + // + // * The serialized type of a ClassDeclaration is "Function" + // * The serialized type of a ParameterDeclaration is the serialized type of its type annotation. + // * The serialized type of a PropertyDeclaration is the serialized type of its type annotation. + // * The serialized type of an AccessorDeclaration is the serialized type of the return type annotation of its getter or parameter type annotation of its setter. + // * The serialized type of any other FunctionLikeDeclaration is "Function". + // * The serialized type of any other node is "void 0". + // + // For rules on serializing type annotations, see `serializeTypeNode`. + switch (node.kind) { + case 217 /* ClassDeclaration */: + write("Function"); + return; + case 142 /* PropertyDeclaration */: + emitSerializedTypeNode(node.type); + return; + case 139 /* Parameter */: + emitSerializedTypeNode(node.type); + return; + case 146 /* GetAccessor */: + emitSerializedTypeNode(node.type); + return; + case 147 /* SetAccessor */: + emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + return; + } + if (ts.isFunctionLike(node)) { + write("Function"); + return; + } + write("void 0"); + } + function emitSerializedTypeNode(node) { + if (node) { + switch (node.kind) { + case 103 /* VoidKeyword */: + write("void 0"); + return; + case 161 /* ParenthesizedType */: + emitSerializedTypeNode(node.type); + return; + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + write("Function"); + return; + case 157 /* ArrayType */: + case 158 /* TupleType */: + write("Array"); + return; + case 151 /* TypePredicate */: + case 120 /* BooleanKeyword */: + write("Boolean"); + return; + case 130 /* StringKeyword */: + case 163 /* StringLiteralType */: + write("String"); + return; + case 128 /* NumberKeyword */: + write("Number"); + return; + case 131 /* SymbolKeyword */: + write("Symbol"); + return; + case 152 /* TypeReference */: + emitSerializedTypeReferenceNode(node); + return; + case 155 /* TypeQuery */: + case 156 /* TypeLiteral */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + case 117 /* AnyKeyword */: + case 162 /* ThisType */: + break; + default: + ts.Debug.fail("Cannot serialize unexpected type node."); + break; + } + } + write("Object"); + } + /** Serializes a TypeReferenceNode to an appropriate JS constructor value. Used by the __metadata decorator. */ + function emitSerializedTypeReferenceNode(node) { + var location = node.parent; + while (ts.isDeclaration(location) || ts.isTypeNode(location)) { + location = location.parent; + } + // Clone the type name and parent it to a location outside of the current declaration. + var typeName = ts.cloneEntityName(node.typeName, location); + var result = resolver.getTypeReferenceSerializationKind(typeName); + switch (result) { + case ts.TypeReferenceSerializationKind.Unknown: + var temp = createAndRecordTempVariable(0 /* Auto */); + write("(typeof ("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(typeName, /*useFallback*/ true); + write(") === 'function' && "); + emitNodeWithoutSourceMap(temp); + write(") || Object"); + break; + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + emitEntityNameAsExpression(typeName, /*useFallback*/ false); + break; + case ts.TypeReferenceSerializationKind.VoidType: + write("void 0"); + break; + case ts.TypeReferenceSerializationKind.BooleanType: + write("Boolean"); + break; + case ts.TypeReferenceSerializationKind.NumberLikeType: + write("Number"); + break; + case ts.TypeReferenceSerializationKind.StringLikeType: + write("String"); + break; + case ts.TypeReferenceSerializationKind.ArrayLikeType: + write("Array"); + break; + case ts.TypeReferenceSerializationKind.ESSymbolType: + if (languageVersion < 2 /* ES6 */) { + write("typeof Symbol === 'function' ? Symbol : Object"); + } + else { + write("Symbol"); + } + break; + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + write("Function"); + break; + case ts.TypeReferenceSerializationKind.ObjectType: + write("Object"); + break; + } + } + /** Serializes the parameter types of a function or the constructor of a class. Used by the __metadata decorator for a method or set accessor. */ + function emitSerializedParameterTypesOfNode(node) { + // serialization of parameter types uses the following rules: + // + // * If the declaration is a class, the parameters of the first constructor with a body are used. + // * If the declaration is function-like and has a body, the parameters of the function are used. + // + // For the rules on serializing the type of each parameter declaration, see `serializeTypeOfDeclaration`. + if (node) { + var valueDeclaration = void 0; + if (node.kind === 217 /* ClassDeclaration */) { + valueDeclaration = ts.getFirstConstructorWithBody(node); + } + else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { + valueDeclaration = node; + } + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var parameterCount = parameters.length; + if (parameterCount > 0) { + for (var i = 0; i < parameterCount; i++) { + if (i > 0) { + write(", "); + } + if (parameters[i].dotDotDotToken) { + var parameterType = parameters[i].type; + if (parameterType.kind === 157 /* ArrayType */) { + parameterType = parameterType.elementType; + } + else if (parameterType.kind === 152 /* TypeReference */ && parameterType.typeArguments && parameterType.typeArguments.length === 1) { + parameterType = parameterType.typeArguments[0]; + } + else { + parameterType = undefined; + } + emitSerializedTypeNode(parameterType); + } + else { + emitSerializedTypeOfNode(parameters[i]); + } + } + } + } + } + } + /** Serializes the return type of function. Used by the __metadata decorator for a method. */ + function emitSerializedReturnTypeOfNode(node) { + if (node && ts.isFunctionLike(node) && node.type) { + emitSerializedTypeNode(node.type); + return; + } + write("void 0"); + } + function emitSerializedTypeMetadata(node, writeComma) { + // This method emits the serialized type metadata for a decorator target. + // The caller should have already tested whether the node has decorators. + var argumentsWritten = 0; + if (compilerOptions.emitDecoratorMetadata) { + if (shouldEmitTypeMetadata(node)) { + if (writeComma) { + write(", "); + } + writeLine(); + write("__metadata('design:type', "); + emitSerializedTypeOfNode(node); + write(")"); + argumentsWritten++; + } + if (shouldEmitParamTypesMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:paramtypes', ["); + emitSerializedParameterTypesOfNode(node); + write("])"); + argumentsWritten++; + } + if (shouldEmitReturnTypeMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:returntype', "); + emitSerializedReturnTypeOfNode(node); + write(")"); + argumentsWritten++; + } + } + return argumentsWritten; + } + function emitInterfaceDeclaration(node) { + emitCommentsOnNotEmittedNode(node); + } + function shouldEmitEnumDeclaration(node) { + var isConstEnum = ts.isConst(node); + return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; + } + function emitEnumDeclaration(node) { + // const enums are completely erased during compilation. + if (!shouldEmitEnumDeclaration(node)) { + return; + } + if (!shouldHoistDeclarationInSystemJsModule(node)) { + // do not emit var if variable was already hoisted + var isES6ExportedEnum = isES6ExportedDeclaration(node); + if (!(node.flags & 2 /* Export */) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220 /* EnumDeclaration */))) { + emitStart(node); + if (isES6ExportedEnum) { + write("export "); + } + write("var "); + emit(node.name); + emitEnd(node); + write(";"); + } + } + writeLine(); + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") {"); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + write(")("); + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.flags & 2 /* Export */ && !shouldHoistDeclarationInSystemJsModule(node)) { + // do not emit var if variable was already hoisted + writeLine(); + emitStart(node); + write("var "); + emit(node.name); + write(" = "); + emitModuleMemberName(node); + emitEnd(node); + write(";"); + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { + if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { + // write the call to exporter for enum + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function emitEnumMember(node) { + var enumParent = node.parent; + emitStart(node); + write(getGeneratedNameForNode(enumParent)); + write("["); + write(getGeneratedNameForNode(enumParent)); + write("["); + emitExpressionForPropertyName(node.name); + write("] = "); + writeEnumMemberDeclarationValue(node); + write("] = "); + emitExpressionForPropertyName(node.name); + emitEnd(node); + write(";"); + } + function writeEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + write(value.toString()); + return; + } + else if (member.initializer) { + emit(member.initializer); + } + else { + write("undefined"); + } + } + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; + } + } + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isModuleMergedWithES6Class(node) { + return languageVersion === 2 /* ES6 */ && !!(resolver.getNodeCheckFlags(node) & 32768 /* LexicalModuleMergesWithClass */); + } + function isFirstDeclarationOfKind(node, declarations, kind) { + return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); + } + function emitModuleDeclaration(node) { + // Emit only if this module is non-ambient. + var shouldEmit = shouldEmitModuleDeclaration(node); + if (!shouldEmit) { + return emitCommentsOnNotEmittedNode(node); + } + var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); + var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); + if (emitVarForModule) { + var isES6ExportedNamespace = isES6ExportedDeclaration(node); + if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221 /* ModuleDeclaration */)) { + emitStart(node); + if (isES6ExportedNamespace) { + write("export "); + } + write("var "); + emit(node.name); + write(";"); + emitEnd(node); + writeLine(); + } + } + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") "); + if (node.body.kind === 222 /* ModuleBlock */) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + emit(node.body); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + } + else { + write("{"); + increaseIndent(); + emitCaptureThisForNodeIfNecessary(node); + writeLine(); + emit(node.body); + decreaseIndent(); + writeLine(); + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + emitToken(16 /* CloseBraceToken */, moduleBlock.statements.end); + } + write(")("); + // write moduleDecl = containingModule.m only if it is not exported es6 module member + if ((node.flags & 2 /* Export */) && !isES6ExportedDeclaration(node)) { + emit(node.name); + write(" = "); + } + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.name.kind === 69 /* Identifier */ && node.parent === currentSourceFile) { + if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + /* + * Some bundlers (SystemJS builder) sometimes want to rename dependencies. + * Here we check if alternative name was provided for a given moduleName and return it if possible. + */ + function tryRenameExternalModule(moduleName) { + if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { + return "\"" + renamedDependencies[moduleName.text] + "\""; + } + return undefined; + } + function emitRequire(moduleName) { + if (moduleName.kind === 9 /* StringLiteral */) { + write("require("); + var text = tryRenameExternalModule(moduleName); + if (text) { + write(text); + } + else { + emitStart(moduleName); + emitLiteral(moduleName); + emitEnd(moduleName); + } + emitToken(18 /* CloseParenToken */, moduleName.end); + } + else { + write("require()"); + } + } + function getNamespaceDeclarationNode(node) { + if (node.kind === 224 /* ImportEqualsDeclaration */) { + return node; + } + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227 /* NamespaceImport */) { + return importClause.namedBindings; + } + } + function isDefaultImport(node) { + return node.kind === 225 /* ImportDeclaration */ && node.importClause && !!node.importClause.name; + } + function emitExportImportAssignments(node) { + if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + emitExportMemberAssignments(node.name); + } + ts.forEachChild(node, emitExportImportAssignments); + } + function emitImportDeclaration(node) { + if (modulekind !== 5 /* ES6 */) { + return emitExternalImportDeclaration(node); + } + // ES6 import + if (node.importClause) { + var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); + var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, /* checkChildren */ true); + if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { + write("import "); + emitStart(node.importClause); + if (shouldEmitDefaultBindings) { + emit(node.importClause.name); + if (shouldEmitNamedBindings) { + write(", "); + } + } + if (shouldEmitNamedBindings) { + emitLeadingComments(node.importClause.namedBindings); + emitStart(node.importClause.namedBindings); + if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { + write("* as "); + emit(node.importClause.namedBindings.name); + } + else { + write("{ "); + emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); + write(" }"); + } + emitEnd(node.importClause.namedBindings); + emitTrailingComments(node.importClause.namedBindings); + } + emitEnd(node.importClause); + write(" from "); + emit(node.moduleSpecifier); + write(";"); + } + } + else { + write("import "); + emit(node.moduleSpecifier); + write(";"); + } + } + function emitExternalImportDeclaration(node) { + if (ts.contains(externalImports, node)) { + var isExportedImport = node.kind === 224 /* ImportEqualsDeclaration */ && (node.flags & 2 /* Export */) !== 0; + var namespaceDeclaration = getNamespaceDeclarationNode(node); + var varOrConst = (languageVersion <= 1 /* ES5 */) ? "var " : "const "; + if (modulekind !== 2 /* AMD */) { + emitLeadingComments(node); + emitStart(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + // import x = require("foo") + // import * as x from "foo" + if (!isExportedImport) { + write(varOrConst); + } + ; + emitModuleMemberName(namespaceDeclaration); + write(" = "); + } + else { + // import "foo" + // import x from "foo" + // import { x, y } from "foo" + // import d, * as x from "foo" + // import d, { x, y } from "foo" + var isNakedImport = 225 /* ImportDeclaration */ && !node.importClause; + if (!isNakedImport) { + write(varOrConst); + write(getGeneratedNameForNode(node)); + write(" = "); + } + } + emitRequire(ts.getExternalModuleName(node)); + if (namespaceDeclaration && isDefaultImport(node)) { + // import d, * as x from "foo" + write(", "); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + else { + if (isExportedImport) { + emitModuleMemberName(namespaceDeclaration); + write(" = "); + emit(namespaceDeclaration.name); + write(";"); + } + else if (namespaceDeclaration && isDefaultImport(node)) { + // import d, * as x from "foo" + write(varOrConst); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + write(";"); + } + emitExportImportAssignments(node); + } + } + } + function emitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + emitExternalImportDeclaration(node); + return; + } + // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when + // - current file is not external module + // - import declaration is top level and target is value imported by entity name + if (resolver.isReferencedAliasDeclaration(node) || + (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { + emitLeadingComments(node); + emitStart(node); + // variable declaration for import-equals declaration can be hoisted in system modules + // in this case 'var' should be omitted and emit should contain only initialization + var variableDeclarationIsHoisted = shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ true); + // is it top level export import v = a.b.c in system module? + // if yes - it needs to be rewritten as exporter('v', v = a.b.c) + var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ true); + if (!variableDeclarationIsHoisted) { + ts.Debug.assert(!isExported); + if (isES6ExportedDeclaration(node)) { + write("export "); + write("var "); + } + else if (!(node.flags & 2 /* Export */)) { + write("var "); + } + } + if (isExported) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.name); + write("\", "); + } + emitModuleMemberName(node); + write(" = "); + emit(node.moduleReference); + if (isExported) { + write(")"); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + } + function emitExportDeclaration(node) { + ts.Debug.assert(modulekind !== 4 /* System */); + if (modulekind !== 5 /* ES6 */) { + if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { + emitStart(node); + var generatedName = getGeneratedNameForNode(node); + if (node.exportClause) { + // export { x, y, ... } from "foo" + if (modulekind !== 2 /* AMD */) { + write("var "); + write(generatedName); + write(" = "); + emitRequire(ts.getExternalModuleName(node)); + write(";"); + } + for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { + var specifier = _b[_a]; + if (resolver.isValueAliasDeclaration(specifier)) { + writeLine(); + emitStart(specifier); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write(" = "); + write(generatedName); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); + write(";"); + emitEnd(specifier); + } + } + } + else { + // export * from "foo" + if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + writeLine(); + write("__export("); + if (modulekind !== 2 /* AMD */) { + emitRequire(ts.getExternalModuleName(node)); + } + else { + write(generatedName); + } + write(");"); + } + } + emitEnd(node); + } + } + else { + if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { + write("export "); + if (node.exportClause) { + // export { x, y, ... } + write("{ "); + emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emit(node.moduleSpecifier); + } + write(";"); + } + } + } + function emitExportOrImportSpecifierList(specifiers, shouldEmit) { + ts.Debug.assert(modulekind === 5 /* ES6 */); + var needsComma = false; + for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { + var specifier = specifiers_1[_a]; + if (shouldEmit(specifier)) { + if (needsComma) { + write(", "); + } + if (specifier.propertyName) { + emit(specifier.propertyName); + write(" as "); + } + emit(specifier.name); + needsComma = true; + } + } + } + function emitExportAssignment(node) { + if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { + if (modulekind === 5 /* ES6 */) { + writeLine(); + emitStart(node); + write("export default "); + var expression = node.expression; + emit(expression); + if (expression.kind !== 216 /* FunctionDeclaration */ && + expression.kind !== 217 /* ClassDeclaration */) { + write(";"); + } + emitEnd(node); + } + else { + writeLine(); + emitStart(node); + if (modulekind === 4 /* System */) { + write(exportFunctionForFile + "(\"default\","); + emit(node.expression); + write(")"); + } + else { + emitEs6ExportDefaultCompat(node); + emitContainingModuleName(node); + if (languageVersion === 0 /* ES3 */) { + write("[\"default\"] = "); + } + else { + write(".default = "); + } + emit(node.expression); + } + write(";"); + emitEnd(node); + } + } + } + function collectExternalModuleInfo(sourceFile) { + externalImports = []; + exportSpecifiers = {}; + exportEquals = undefined; + hasExportStarsToExportValues = false; + for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { + var node = _b[_a]; + switch (node.kind) { + case 225 /* ImportDeclaration */: + if (!node.importClause || + resolver.isReferencedAliasDeclaration(node.importClause, /*checkChildren*/ true)) { + // import "mod" + // import x from "mod" where x is referenced + // import * as x from "mod" where x is referenced + // import { x, y } from "mod" where at least one import is referenced + externalImports.push(node); + } + break; + case 224 /* ImportEqualsDeclaration */: + if (node.moduleReference.kind === 235 /* ExternalModuleReference */ && resolver.isReferencedAliasDeclaration(node)) { + // import x = require("mod") where x is referenced + externalImports.push(node); + } + break; + case 231 /* ExportDeclaration */: + if (node.moduleSpecifier) { + if (!node.exportClause) { + // export * from "mod" + if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + } + else if (resolver.isValueAliasDeclaration(node)) { + // export { x, y } from "mod" where at least one export is a value symbol + externalImports.push(node); + } + } + else { + // export { x, y } + for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { + var specifier = _d[_c]; + var name_28 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); + } + } + break; + case 230 /* ExportAssignment */: + if (node.isExportEquals && !exportEquals) { + // export = x + exportEquals = node; + } + break; + } + } + } + function emitExportStarHelper() { + if (hasExportStarsToExportValues) { + writeLine(); + write("function __export(m) {"); + increaseIndent(); + writeLine(); + write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function getLocalNameForExternalImport(node) { + var namespaceDeclaration = getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); + } + if (node.kind === 225 /* ImportDeclaration */ && node.importClause) { + return getGeneratedNameForNode(node); + } + if (node.kind === 231 /* ExportDeclaration */ && node.moduleSpecifier) { + return getGeneratedNameForNode(node); + } + } + function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { + if (emitRelativePathAsModuleName) { + var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); + if (name_29) { + return "\"" + name_29 + "\""; + } + } + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9 /* StringLiteral */) { + return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); + } + return undefined; + } + function emitVariableDeclarationsForImports() { + if (externalImports.length === 0) { + return; + } + writeLine(); + var started = false; + for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { + var importNode = externalImports_1[_a]; + // do not create variable declaration for exports and imports that lack import clause + var skipNode = importNode.kind === 231 /* ExportDeclaration */ || + (importNode.kind === 225 /* ImportDeclaration */ && !importNode.importClause); + if (skipNode) { + continue; + } + if (!started) { + write("var "); + started = true; + } + else { + write(", "); + } + write(getLocalNameForExternalImport(importNode)); + } + if (started) { + write(";"); + } + } + function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { + // when resolving exports local exported entries/indirect exported entries in the module + // should always win over entries with similar names that were added via star exports + // to support this we store names of local/indirect exported entries in a set. + // this set is used to filter names brought by star expors. + if (!hasExportStarsToExportValues) { + // local names set is needed only in presence of star exports + return undefined; + } + // local names set should only be added if we have anything exported + if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { + // no exported declarations (export var ...) or export specifiers (export {x}) + // check if we have any non star export declarations. + var hasExportDeclarationWithExportClause = false; + for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { + var externalImport = externalImports_2[_a]; + if (externalImport.kind === 231 /* ExportDeclaration */ && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } + } + if (!hasExportDeclarationWithExportClause) { + // we still need to emit exportStar helper + return emitExportStarFunction(/*localNames*/ undefined); + } + } + var exportedNamesStorageRef = makeUniqueName("exportedNames"); + writeLine(); + write("var " + exportedNamesStorageRef + " = {"); + increaseIndent(); + var started = false; + if (exportedDeclarations) { + for (var i = 0; i < exportedDeclarations.length; i++) { + // write name of exported declaration, i.e 'export var x...' + writeExportedName(exportedDeclarations[i]); + } + } + if (exportSpecifiers) { + for (var n in exportSpecifiers) { + for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { + var specifier = _c[_b]; + // write name of export specified, i.e. 'export {x}' + writeExportedName(specifier.name); + } + } + } + for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { + var externalImport = externalImports_3[_d]; + if (externalImport.kind !== 231 /* ExportDeclaration */) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + // export * from ... + continue; + } + for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { + var element = _f[_e]; + // write name of indirectly exported entry, i.e. 'export {x} from ...' + writeExportedName(element.name || element.propertyName); + } + } + decreaseIndent(); + writeLine(); + write("};"); + return emitExportStarFunction(exportedNamesStorageRef); + function emitExportStarFunction(localNames) { + var exportStarFunction = makeUniqueName("exportStar"); + writeLine(); + // define an export star helper function + write("function " + exportStarFunction + "(m) {"); + increaseIndent(); + writeLine(); + write("var exports = {};"); + writeLine(); + write("for(var n in m) {"); + increaseIndent(); + writeLine(); + write("if (n !== \"default\""); + if (localNames) { + write("&& !" + localNames + ".hasOwnProperty(n)"); + } + write(") exports[n] = m[n];"); + decreaseIndent(); + writeLine(); + write("}"); + writeLine(); + write(exportFunctionForFile + "(exports);"); + decreaseIndent(); + writeLine(); + write("}"); + return exportStarFunction; + } + function writeExportedName(node) { + // do not record default exports + // they are local to module and never overwritten (explicitly skipped) by star export + if (node.kind !== 69 /* Identifier */ && node.flags & 512 /* Default */) { + return; + } + if (started) { + write(","); + } + else { + started = true; + } + writeLine(); + write("'"); + if (node.kind === 69 /* Identifier */) { + emitNodeWithCommentsAndWithoutSourcemap(node); + } + else { + emitDeclarationName(node); + } + write("': true"); + } + } + function processTopLevelVariableAndFunctionDeclarations(node) { + // per ES6 spec: + // 15.2.1.16.4 ModuleDeclarationInstantiation() Concrete Method + // - var declarations are initialized to undefined - 14.a.ii + // - function/generator declarations are instantiated - 16.a.iv + // this means that after module is instantiated but before its evaluation + // exported functions are already accessible at import sites + // in theory we should hoist only exported functions and its dependencies + // in practice to simplify things we'll hoist all source level functions and variable declaration + // including variables declarations for module and class declarations + var hoistedVars; + var hoistedFunctionDeclarations; + var exportedDeclarations; + visit(node); + if (hoistedVars) { + writeLine(); + write("var "); + var seen = {}; + for (var i = 0; i < hoistedVars.length; i++) { + var local = hoistedVars[i]; + var name_30 = local.kind === 69 /* Identifier */ + ? local + : local.name; + if (name_30) { + // do not emit duplicate entries (in case of declaration merging) in the list of hoisted variables + var text = ts.unescapeIdentifier(name_30.text); + if (ts.hasProperty(seen, text)) { + continue; + } + else { + seen[text] = text; + } + } + if (i !== 0) { + write(", "); + } + if (local.kind === 217 /* ClassDeclaration */ || local.kind === 221 /* ModuleDeclaration */ || local.kind === 220 /* EnumDeclaration */) { + emitDeclarationName(local); + } + else { + emit(local); + } + var flags = ts.getCombinedNodeFlags(local.kind === 69 /* Identifier */ ? local.parent : local); + if (flags & 2 /* Export */) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(local); + } + } + write(";"); + } + if (hoistedFunctionDeclarations) { + for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { + var f = hoistedFunctionDeclarations_1[_a]; + writeLine(); + emit(f); + if (f.flags & 2 /* Export */) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(f); + } + } + } + return exportedDeclarations; + function visit(node) { + if (node.flags & 4 /* Ambient */) { + return; + } + if (node.kind === 216 /* FunctionDeclaration */) { + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = []; + } + hoistedFunctionDeclarations.push(node); + return; + } + if (node.kind === 217 /* ClassDeclaration */) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + return; + } + if (node.kind === 220 /* EnumDeclaration */) { + if (shouldEmitEnumDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 221 /* ModuleDeclaration */) { + if (shouldEmitModuleDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { + if (shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ false)) { + var name_31 = node.name; + if (name_31.kind === 69 /* Identifier */) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(name_31); + } + else { + ts.forEachChild(name_31, visit); + } + } + return; + } + if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node.name); + return; + } + if (ts.isBindingPattern(node)) { + ts.forEach(node.elements, visit); + return; + } + if (!ts.isDeclaration(node)) { + ts.forEachChild(node, visit); + } + } + } + function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { + if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { + return false; + } + // hoist variable if + // - it is not block scoped + // - it is top level block scoped + // if block scoped variables are nested in some another block then + // no other functions can use them except ones that are defined at least in the same block + return (ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) === 0 || + ts.getEnclosingBlockScopeContainer(node).kind === 251 /* SourceFile */; + } + function isCurrentFileSystemExternalModule() { + return modulekind === 4 /* System */ && isCurrentFileExternalModule; + } + function emitSystemModuleBody(node, dependencyGroups, startIndex) { + // shape of the body in system modules: + // function (exports) { + // + // + // + // return { + // setters: [ + // + // ], + // execute: function() { + // + // } + // } + // + // } + // I.e: + // import {x} from 'file1' + // var y = 1; + // export function foo() { return y + x(); } + // console.log(y); + // will be transformed to + // function(exports) { + // var file1; // local alias + // var y; + // function foo() { return y + file1.x(); } + // exports("foo", foo); + // return { + // setters: [ + // function(v) { file1 = v } + // ], + // execute(): function() { + // y = 1; + // console.log(y); + // } + // }; + // } + emitVariableDeclarationsForImports(); + writeLine(); + var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); + var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); + writeLine(); + write("return {"); + increaseIndent(); + writeLine(); + emitSetters(exportStarFunction, dependencyGroups); + writeLine(); + emitExecute(node, startIndex); + decreaseIndent(); + writeLine(); + write("}"); // return + emitTempDeclarations(/*newLine*/ true); + } + function emitSetters(exportStarFunction, dependencyGroups) { + write("setters:["); + for (var i = 0; i < dependencyGroups.length; i++) { + if (i !== 0) { + write(","); + } + writeLine(); + increaseIndent(); + var group = dependencyGroups[i]; + // derive a unique name for parameter from the first named entry in the group + var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); + write("function (" + parameterName + ") {"); + increaseIndent(); + for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { + var entry = group_1[_a]; + var importVariableName = getLocalNameForExternalImport(entry) || ""; + switch (entry.kind) { + case 225 /* ImportDeclaration */: + if (!entry.importClause) { + // 'import "..."' case + // module is imported only for side-effects, no emit required + break; + } + // fall-through + case 224 /* ImportEqualsDeclaration */: + ts.Debug.assert(importVariableName !== ""); + writeLine(); + // save import into the local + write(importVariableName + " = " + parameterName + ";"); + writeLine(); + break; + case 231 /* ExportDeclaration */: + ts.Debug.assert(importVariableName !== ""); + if (entry.exportClause) { + // export {a, b as c} from 'foo' + // emit as: + // exports_({ + // "a": _["a"], + // "c": _["b"] + // }); + writeLine(); + write(exportFunctionForFile + "({"); + writeLine(); + increaseIndent(); + for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { + if (i_1 !== 0) { + write(","); + writeLine(); + } + var e = entry.exportClause.elements[i_1]; + write("\""); + emitNodeWithCommentsAndWithoutSourcemap(e.name); + write("\": " + parameterName + "[\""); + emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); + write("\"]"); + } + decreaseIndent(); + writeLine(); + write("});"); + } + else { + // collectExternalModuleInfo prefilters star exports to keep only ones that export values + // this means that check 'resolver.moduleExportsSomeValue' is redundant and can be omitted here + writeLine(); + // export * from 'foo' + // emit as: + // exportStar(_foo); + write(exportStarFunction + "(" + parameterName + ");"); + } + writeLine(); + break; + } + } + decreaseIndent(); + write("}"); + decreaseIndent(); + } + write("],"); + } + function emitExecute(node, startIndex) { + write("execute: function() {"); + increaseIndent(); + writeLine(); + for (var i = startIndex; i < node.statements.length; i++) { + var statement = node.statements[i]; + switch (statement.kind) { + // - function declarations are not emitted because they were already hoisted + // - import declarations are not emitted since they are already handled in setters + // - export declarations with module specifiers are not emitted since they were already written in setters + // - export declarations without module specifiers are emitted preserving the order + case 216 /* FunctionDeclaration */: + case 225 /* ImportDeclaration */: + continue; + case 231 /* ExportDeclaration */: + if (!statement.moduleSpecifier) { + for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { + var element = _b[_a]; + // write call to exporter function for every export specifier in exports list + emitExportSpecifierInSystemModule(element); + } + } + continue; + case 224 /* ImportEqualsDeclaration */: + if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { + // - import equals declarations that import external modules are not emitted + continue; + } + // fall-though for import declarations that import internal modules + default: + writeLine(); + emit(statement); + } + } + decreaseIndent(); + writeLine(); + write("}"); // execute + } + function writeModuleName(node, emitRelativePathAsModuleName) { + var moduleName = node.moduleName; + if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { + write("\"" + moduleName + "\", "); + } + } + function emitSystemModule(node, emitRelativePathAsModuleName) { + collectExternalModuleInfo(node); + // System modules has the following shape + // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) + // 'exports' here is a function 'exports(name: string, value: T): T' that is used to publish exported values. + // 'exports' returns its 'value' argument so in most cases expressions + // that mutate exported values can be rewritten as: + // expr -> exports('name', expr). + // The only exception in this rule is postfix unary operators, + // see comment to 'emitPostfixUnaryExpression' for more details + ts.Debug.assert(!exportFunctionForFile); + // make sure that name of 'exports' function does not conflict with existing identifiers + exportFunctionForFile = makeUniqueName("exports"); + contextObjectForFile = makeUniqueName("context"); + writeLine(); + write("System.register("); + writeModuleName(node, emitRelativePathAsModuleName); + write("["); + var groupIndices = {}; + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); + if (text === undefined) { + continue; + } + // text should be quoted string + // for deduplication purposes in key remove leading and trailing quotes so 'a' and "a" will be considered the same + var key = text.substr(1, text.length - 2); + if (ts.hasProperty(groupIndices, key)) { + // deduplicate/group entries in dependency list by the dependency name + var groupIndex = groupIndices[key]; + dependencyGroups[groupIndex].push(externalImports[i]); + continue; + } + else { + groupIndices[key] = dependencyGroups.length; + dependencyGroups.push([externalImports[i]]); + } + if (i !== 0) { + write(", "); + } + write(text); + } + write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); + writeLine(); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + writeLine(); + write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); + writeLine(); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitSystemModuleBody(node, dependencyGroups, startIndex); + decreaseIndent(); + writeLine(); + write("});"); + } + function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + // names of modules with corresponding parameter in the factory function + var aliasedModuleNames = []; + // names of modules with no corresponding parameters in factory function + var unaliasedModuleNames = []; + var importAliasNames = []; // names of the parameters in the factory function; these + // parameters need to match the indexes of the corresponding + // module names in aliasedModuleNames. + // Fill in amd-dependency tags + for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { + var amdDependency = _b[_a]; + if (amdDependency.name) { + aliasedModuleNames.push("\"" + amdDependency.path + "\""); + importAliasNames.push(amdDependency.name); + } + else { + unaliasedModuleNames.push("\"" + amdDependency.path + "\""); + } + } + for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { + var importNode = externalImports_4[_c]; + // Find the name of the external module + var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); + // Find the name of the module alias, if there is one + var importAliasName = getLocalNameForExternalImport(importNode); + if (includeNonAmdDependencies && importAliasName) { + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(importAliasName); + } + else { + unaliasedModuleNames.push(externalModuleName); + } + } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + // An AMD define function has the following shape: + // define(id?, dependencies?, factory); + // + // This has the shape of + // define(name, ["module1", "module2"], function (module1Alias) { + // The location of the alias in the parameter list in the factory function needs to + // match the position of the module name in the dependency list. + // + // To ensure this is true in cases of modules with no aliases, e.g.: + // `import "module"` or `` + // we need to add modules without alias names to the end of the dependencies list + var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); + emitAMDDependencyList(dependencyNames); + write(", "); + emitAMDFactoryHeader(dependencyNames); + } + function emitAMDDependencyList(_a) { + var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; + write("[\"require\", \"exports\""); + if (aliasedModuleNames.length) { + write(", "); + write(aliasedModuleNames.join(", ")); + } + if (unaliasedModuleNames.length) { + write(", "); + write(unaliasedModuleNames.join(", ")); + } + write("]"); + } + function emitAMDFactoryHeader(_a) { + var importAliasNames = _a.importAliasNames; + write("function (require, exports"); + if (importAliasNames.length) { + write(", "); + write(importAliasNames.join(", ")); + } + write(") {"); + } + function emitAMDModule(node, emitRelativePathAsModuleName) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + writeLine(); + write("define("); + writeModuleName(node, emitRelativePathAsModuleName); + emitAMDDependencies(node, /*includeNonAmdDependencies*/ true, emitRelativePathAsModuleName); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitCommonJSModule(node) { + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitEmitHelpers(node); + collectExternalModuleInfo(node); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ false); + } + function emitUMDModule(node) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + var dependencyNames = getAMDDependencyNames(node, /*includeNonAmdDependencies*/ false); + // Module is detected first to support Browserify users that load into a browser with an AMD loader + writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); + emitAMDDependencyList(dependencyNames); + write(", factory);"); + writeLines(" }\n})("); + emitAMDFactoryHeader(dependencyNames); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitES6Module(node) { + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + // Emit exportDefault if it exists will happen as part + // or normal statement emit. + } + function emitExportEquals(emitAsReturn) { + if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { + writeLine(); + emitStart(exportEquals); + write(emitAsReturn ? "return " : "module.exports = "); + emit(exportEquals.expression); + write(";"); + emitEnd(exportEquals); + } + } + function emitJsxElement(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + jsxEmitReact(node); + break; + case 1 /* Preserve */: + // Fall back to preserve if None was specified (we'll error earlier) + default: + jsxEmitPreserve(node); + break; + } + } + function trimReactWhitespaceAndApplyEntities(node) { + var result = undefined; + var text = ts.getTextOfNode(node, /*includeTrivia*/ true); + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + // JSX trims whitespace at the end and beginning of lines, except that the + // start/end of a tag is considered a start/end of a line only if that line is + // on the same line as the closing tag. See examples in tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + if (result) { + // Replace entities like   + result = result.replace(/&(\w+);/g, function (s, m) { + if (entities[m] !== undefined) { + var ch = String.fromCharCode(entities[m]); + // " needs to be escaped + return ch === "\"" ? "\\\"" : ch; + } + else { + return s; + } + }); + } + return result; + } + function getTextToEmit(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + var text = trimReactWhitespaceAndApplyEntities(node); + if (text === undefined || text.length === 0) { + return undefined; + } + else { + return text; + } + case 1 /* Preserve */: + default: + return ts.getTextOfNode(node, /*includeTrivia*/ true); + } + } + function emitJsxText(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + write("\""); + write(trimReactWhitespaceAndApplyEntities(node)); + write("\""); + break; + case 1 /* Preserve */: + default: + writer.writeLiteral(ts.getTextOfNode(node, /*includeTrivia*/ true)); + break; + } + } + function emitJsxExpression(node) { + if (node.expression) { + switch (compilerOptions.jsx) { + case 1 /* Preserve */: + default: + write("{"); + emit(node.expression); + write("}"); + break; + case 2 /* React */: + emit(node.expression); + break; + } + } + } + function isUseStrictPrologue(node) { + return !!node.expression.text.match(/use strict/); + } + function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { + if (writeUseStrict) { + if (startWithNewLine) { + writeLine(); + } + write("\"use strict\";"); + } + } + function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { + var foundUseStrict = false; + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (isUseStrictPrologue(statements[i])) { + foundUseStrict = true; + } + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); + } + else { + ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); + // return index of the first non prologue directive + return i; + } + } + ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); + return statements.length; + } + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + writeLine(); + write(line); + } + } + } + function emitEmitHelpers(node) { + // Only emit helpers if the user did not say otherwise. + if (!compilerOptions.noEmitHelpers) { + // Only Emit __extends function when target ES5. + // For target ES6 and above, we can emit classDeclaration as is. + if ((languageVersion < 2 /* ES6 */) && (!extendsEmitted && node.flags & 4194304 /* HasClassExtends */)) { + writeLines(extendsHelper); + extendsEmitted = true; + } + if (!decorateEmitted && node.flags & 8388608 /* HasDecorators */) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + } + if (!paramEmitted && node.flags & 16777216 /* HasParamDecorators */) { + writeLines(paramHelper); + paramEmitted = true; + } + if (!awaiterEmitted && node.flags & 33554432 /* HasAsyncFunctions */) { + writeLines(awaiterHelper); + awaiterEmitted = true; + } + } + } + function emitSourceFileNode(node) { + // Start new file on new line + writeLine(); + emitShebang(); + emitDetachedCommentsAndUpdateCommentsInfo(node); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { + var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1 /* CommonJS */]; + emitModule(node); + } + else { + bundleEmitDelegates[modulekind](node, /*emitRelativePathAsModuleName*/ true); + } + } + else { + // emit prologue directives prior to __extends + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + } + emitLeadingComments(node.endOfFileToken); + } + function emit(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); + } + function emitNodeWithCommentsAndWithoutSourcemap(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); + } + function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { + if (node) { + if (node.flags & 4 /* Ambient */) { + return emitCommentsOnNotEmittedNode(node); + } + if (isSpecializedCommentHandling(node)) { + // This is the node that will handle its own comments and sourcemap + return emitNodeWithoutSourceMap(node); + } + var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); + if (emitComments_1) { + emitLeadingComments(node); + } + emitNodeConsideringSourcemap(node); + if (emitComments_1) { + emitTrailingComments(node); + } + } + } + function emitNodeWithSourceMap(node) { + if (node) { + emitStart(node); + emitNodeWithoutSourceMap(node); + emitEnd(node); + } + } + function emitNodeWithoutSourceMap(node) { + if (node) { + emitJavaScriptWorker(node); + } + } + function changeSourceMapEmit(writer) { + sourceMap = writer; + emitStart = writer.emitStart; + emitEnd = writer.emitEnd; + emitPos = writer.emitPos; + setSourceFile = writer.setSourceFile; + } + function withTemporaryNoSourceMap(callback) { + var prevSourceMap = sourceMap; + setSourceMapWriterEmit(ts.getNullSourceMapWriter()); + callback(); + setSourceMapWriterEmit(prevSourceMap); + } + function isSpecializedCommentHandling(node) { + switch (node.kind) { + // All of these entities are emitted in a specialized fashion. As such, we allow + // the specialized methods for each to handle the comments on the nodes. + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 230 /* ExportAssignment */: + return true; + } + } + function shouldEmitLeadingAndTrailingComments(node) { + switch (node.kind) { + case 196 /* VariableStatement */: + return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); + case 221 /* ModuleDeclaration */: + // Only emit the leading/trailing comments for a module if we're actually + // emitting the module as well. + return shouldEmitModuleDeclaration(node); + case 220 /* EnumDeclaration */: + // Only emit the leading/trailing comments for an enum if we're actually + // emitting the module as well. + return shouldEmitEnumDeclaration(node); + } + // If the node is emitted in specialized fashion, dont emit comments as this node will handle + // emitting comments when emitting itself + ts.Debug.assert(!isSpecializedCommentHandling(node)); + // If this is the expression body of an arrow function that we're down-leveling, + // then we don't want to emit comments when we emit the body. It will have already + // been taken care of when we emitted the 'return' statement for the function + // expression body. + if (node.kind !== 195 /* Block */ && + node.parent && + node.parent.kind === 177 /* ArrowFunction */ && + node.parent.body === node && + compilerOptions.target <= 1 /* ES5 */) { + return false; + } + // Emit comments for everything else. + return true; + } + function emitJavaScriptWorker(node) { + // Check if the node can be emitted regardless of the ScriptTarget + switch (node.kind) { + case 69 /* Identifier */: + return emitIdentifier(node); + case 139 /* Parameter */: + return emitParameter(node); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return emitMethod(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return emitAccessor(node); + case 97 /* ThisKeyword */: + return emitThis(node); + case 95 /* SuperKeyword */: + return emitSuper(node); + case 93 /* NullKeyword */: + return write("null"); + case 99 /* TrueKeyword */: + return write("true"); + case 84 /* FalseKeyword */: + return write("false"); + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 10 /* RegularExpressionLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 12 /* TemplateHead */: + case 13 /* TemplateMiddle */: + case 14 /* TemplateTail */: + return emitLiteral(node); + case 186 /* TemplateExpression */: + return emitTemplateExpression(node); + case 193 /* TemplateSpan */: + return emitTemplateSpan(node); + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + return emitJsxElement(node); + case 239 /* JsxText */: + return emitJsxText(node); + case 243 /* JsxExpression */: + return emitJsxExpression(node); + case 136 /* QualifiedName */: + return emitQualifiedName(node); + case 164 /* ObjectBindingPattern */: + return emitObjectBindingPattern(node); + case 165 /* ArrayBindingPattern */: + return emitArrayBindingPattern(node); + case 166 /* BindingElement */: + return emitBindingElement(node); + case 167 /* ArrayLiteralExpression */: + return emitArrayLiteral(node); + case 168 /* ObjectLiteralExpression */: + return emitObjectLiteral(node); + case 248 /* PropertyAssignment */: + return emitPropertyAssignment(node); + case 249 /* ShorthandPropertyAssignment */: + return emitShorthandPropertyAssignment(node); + case 137 /* ComputedPropertyName */: + return emitComputedPropertyName(node); + case 169 /* PropertyAccessExpression */: + return emitPropertyAccess(node); + case 170 /* ElementAccessExpression */: + return emitIndexedAccess(node); + case 171 /* CallExpression */: + return emitCallExpression(node); + case 172 /* NewExpression */: + return emitNewExpression(node); + case 173 /* TaggedTemplateExpression */: + return emitTaggedTemplateExpression(node); + case 174 /* TypeAssertionExpression */: + return emit(node.expression); + case 192 /* AsExpression */: + return emit(node.expression); + case 175 /* ParenthesizedExpression */: + return emitParenExpression(node); + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return emitFunctionDeclaration(node); + case 178 /* DeleteExpression */: + return emitDeleteExpression(node); + case 179 /* TypeOfExpression */: + return emitTypeOfExpression(node); + case 180 /* VoidExpression */: + return emitVoidExpression(node); + case 181 /* AwaitExpression */: + return emitAwaitExpression(node); + case 182 /* PrefixUnaryExpression */: + return emitPrefixUnaryExpression(node); + case 183 /* PostfixUnaryExpression */: + return emitPostfixUnaryExpression(node); + case 184 /* BinaryExpression */: + return emitBinaryExpression(node); + case 185 /* ConditionalExpression */: + return emitConditionalExpression(node); + case 188 /* SpreadElementExpression */: + return emitSpreadElementExpression(node); + case 187 /* YieldExpression */: + return emitYieldExpression(node); + case 190 /* OmittedExpression */: + return; + case 195 /* Block */: + case 222 /* ModuleBlock */: + return emitBlock(node); + case 196 /* VariableStatement */: + return emitVariableStatement(node); + case 197 /* EmptyStatement */: + return write(";"); + case 198 /* ExpressionStatement */: + return emitExpressionStatement(node); + case 199 /* IfStatement */: + return emitIfStatement(node); + case 200 /* DoStatement */: + return emitDoStatement(node); + case 201 /* WhileStatement */: + return emitWhileStatement(node); + case 202 /* ForStatement */: + return emitForStatement(node); + case 204 /* ForOfStatement */: + case 203 /* ForInStatement */: + return emitForInOrForOfStatement(node); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return emitBreakOrContinueStatement(node); + case 207 /* ReturnStatement */: + return emitReturnStatement(node); + case 208 /* WithStatement */: + return emitWithStatement(node); + case 209 /* SwitchStatement */: + return emitSwitchStatement(node); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + return emitCaseOrDefaultClause(node); + case 210 /* LabeledStatement */: + return emitLabeledStatement(node); + case 211 /* ThrowStatement */: + return emitThrowStatement(node); + case 212 /* TryStatement */: + return emitTryStatement(node); + case 247 /* CatchClause */: + return emitCatchClause(node); + case 213 /* DebuggerStatement */: + return emitDebuggerStatement(node); + case 214 /* VariableDeclaration */: + return emitVariableDeclaration(node); + case 189 /* ClassExpression */: + return emitClassExpression(node); + case 217 /* ClassDeclaration */: + return emitClassDeclaration(node); + case 218 /* InterfaceDeclaration */: + return emitInterfaceDeclaration(node); + case 220 /* EnumDeclaration */: + return emitEnumDeclaration(node); + case 250 /* EnumMember */: + return emitEnumMember(node); + case 221 /* ModuleDeclaration */: + return emitModuleDeclaration(node); + case 225 /* ImportDeclaration */: + return emitImportDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return emitImportEqualsDeclaration(node); + case 231 /* ExportDeclaration */: + return emitExportDeclaration(node); + case 230 /* ExportAssignment */: + return emitExportAssignment(node); + case 251 /* SourceFile */: + return emitSourceFileNode(node); + } + } + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + } + function getLeadingCommentsWithoutDetachedComments() { + // get the leading comments from detachedPos + var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); + } + else { + detachedCommentsInfo = undefined; + } + return leadingComments; + } + /** + * Determine if the given comment is a triple-slash + * + * @return true if the comment is a triple-slash comment else false + **/ + function isTripleSlashComment(comment) { + // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text + // so that we don't end up computing comment string and doing match for all // comments + if (currentText.charCodeAt(comment.pos + 1) === 47 /* slash */ && + comment.pos + 2 < comment.end && + currentText.charCodeAt(comment.pos + 2) === 47 /* slash */) { + var textSubStr = currentText.substring(comment.pos, comment.end); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; + } + return false; + } + function getLeadingCommentsToEmit(node) { + // Emit the leading comments only if the parent's pos doesn't match because parent should take care of emitting these comments + if (node.parent) { + if (node.parent.kind === 251 /* SourceFile */ || node.pos !== node.parent.pos) { + if (hasDetachedComments(node.pos)) { + // get comments without detached comments + return getLeadingCommentsWithoutDetachedComments(); + } + else { + // get the leading comments from the node + return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); + } + } + } + } + function getTrailingCommentsToEmit(node) { + // Emit the trailing comments only if the parent's pos doesn't match because parent should take care of emitting these comments + if (node.parent) { + if (node.parent.kind === 251 /* SourceFile */ || node.end !== node.parent.end) { + return ts.getTrailingCommentRanges(currentText, node.end); + } + } + } + /** + * Emit comments associated with node that will not be emitted into JS file + */ + function emitCommentsOnNotEmittedNode(node) { + emitLeadingCommentsWorker(node, /*isEmittedNode*/ false); + } + function emitLeadingComments(node) { + return emitLeadingCommentsWorker(node, /*isEmittedNode*/ true); + } + function emitLeadingCommentsWorker(node, isEmittedNode) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (isEmittedNode) { + leadingComments = getLeadingCommentsToEmit(node); + } + else { + // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node, + // unless it is a triple slash comment at the top of the file. + // For Example: + // /// + // declare var x; + // /// + // interface F {} + // The first /// will NOT be removed while the second one will be removed eventhough both node will not be emitted + if (node.pos === 0) { + leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); + } + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); + // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitTrailingComments(node) { + if (compilerOptions.removeComments) { + return; + } + // Emit the trailing comments only if the parent's end doesn't match + var trailingComments = getTrailingCommentsToEmit(node); + // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ + ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ false, newLine, writeComment); + } + /** + * Emit trailing comments at the position. The term trailing comment is used here to describe following comment: + * x, /comment1/ y + * ^ => pos; the function will emit "comment1" in the emitJS + */ + function emitTrailingCommentsOfPosition(pos) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = ts.getTrailingCommentRanges(currentText, pos); + // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ + ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitLeadingCommentsOfPositionWorker(pos) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (hasDetachedComments(pos)) { + // get comments without detached comments + leadingComments = getLeadingCommentsWithoutDetachedComments(); + } + else { + // get the leading comments from the node + leadingComments = ts.getLeadingCommentRanges(currentText, pos); + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); + // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitDetachedCommentsAndUpdateCommentsInfo(node) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); + } + else { + detachedCommentsInfo = [currentDetachedCommentInfo]; + } + } + } + function writeComment(text, lineMap, writer, comment, newLine) { + emitPos(comment.pos); + ts.writeCommentRange(text, lineMap, writer, comment, newLine); + emitPos(comment.end); + } + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } + } + var _a, _b; + } + function emitFile(_a, sourceFiles, isBundledEmit) { + var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; + // Make sure not to write js File and source map file if any of them cannot be written + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; + } + } + } + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +/// +/// +/// +var ts; +(function (ts) { + /* @internal */ ts.programTime = 0; + /* @internal */ ts.emitTime = 0; + /* @internal */ ts.ioReadTime = 0; + /* @internal */ ts.ioWriteTime = 0; + /** The version of the TypeScript compiler release */ + var emptyArray = []; + ts.version = "1.8.2"; + function findConfigFile(searchPath, fileExists) { + var fileName = "tsconfig.json"; + while (true) { + if (fileExists(fileName)) { + return fileName; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + fileName = "../" + fileName; + } + return undefined; + } + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); + } + ts.resolveTripleslashReference = resolveTripleslashReference; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var moduleResolution = compilerOptions.moduleResolution !== undefined + ? compilerOptions.moduleResolution + : ts.getEmitModuleKind(compilerOptions) === 1 /* CommonJS */ ? 2 /* NodeJs */ : 1 /* Classic */; + switch (moduleResolution) { + case 2 /* NodeJs */: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + case 1 /* Classic */: return classicNameResolver(moduleName, containingFile, compilerOptions, host); + } + } + ts.resolveModuleName = resolveModuleName; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { + var failedLookupLocations = []; + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); + if (resolvedFileName) { + return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; + } + resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); + return resolvedFileName + ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + else { + return loadModuleFromNodeModules(moduleName, containingDirectory, host); + } + } + ts.nodeModuleNameResolver = nodeModuleNameResolver; + /* @internal */ + function directoryProbablyExists(directoryName, host) { + // if host does not support 'directoryExists' assume that directory will exist + return !host.directoryExists || host.directoryExists(directoryName); + } + ts.directoryProbablyExists = directoryProbablyExists; + /** + * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary + * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations. + */ + function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + return ts.forEach(extensions, tryLoad); + function tryLoad(ext) { + var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; + if (!onlyRecordFailures && host.fileExists(fileName)) { + return fileName; + } + else { + failedLookupLocation.push(fileName); + return undefined; + } + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + var packageJsonPath = ts.combinePaths(candidate, "package.json"); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); + if (directoryExists && host.fileExists(packageJsonPath)) { + var jsonContent = void 0; + try { + var jsonText = host.readFile(packageJsonPath); + jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; + } + catch (e) { + // gracefully handle if readFile fails or returns not JSON + jsonContent = { typings: undefined }; + } + if (typeof jsonContent.typings === "string") { + var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); + var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); + if (result) { + return result; + } + } + } + else { + // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results + failedLookupLocation.push(packageJsonPath); + } + return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); + } + function loadModuleFromNodeModules(moduleName, directory, host) { + var failedLookupLocations = []; + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + // Load only typescript files irrespective of allowJs option if loading from node modules + var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + } + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory) { + break; + } + directory = parentPath; + } + return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + function nameStartsWithDotSlashOrDotDotSlash(name) { + var i = name.lastIndexOf("./", 1); + return i === 0 || (i === 1 && name.charCodeAt(0) === 46 /* dot */); + } + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + // module names that contain '!' are used to reference resources and are not resolved to actual files on disk + if (moduleName.indexOf("!") != -1) { + return { resolvedModule: undefined, failedLookupLocations: [] }; + } + var searchPath = ts.getDirectoryPath(containingFile); + var searchName; + var failedLookupLocations = []; + var referencedSourceFile; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + while (true) { + searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); + referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { + if (extension === ".tsx" && !compilerOptions.jsx) { + // resolve .tsx files only if jsx support is enabled + // 'logical not' handles both undefined and None cases + return undefined; + } + var candidate = searchName + extension; + if (host.fileExists(candidate)) { + return candidate; + } + else { + failedLookupLocations.push(candidate); + } + }); + if (referencedSourceFile) { + break; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + } + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + ts.classicNameResolver = classicNameResolver; + /* @internal */ + ts.defaultInitCompilerOptions = { + module: 1 /* CommonJS */, + target: 1 /* ES5 */, + noImplicitAny: false, + sourceMap: false + }; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = {}; + function getCanonicalFileName(fileName) { + // if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form. + // otherwise use toLowerCase as a canonical form. + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + } + // returned by CScript sys environment + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + var start = new Date().getTime(); + text = ts.sys.readFile(fileName, options.charset); + ts.ioReadTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; + } + function directoryExists(directoryPath) { + if (ts.hasProperty(existingDirectories, directoryPath)) { + return true; + } + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; + return true; + } + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); + } + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + var start = new Date().getTime(); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + ts.sys.writeFile(fileName, data, writeByteOrderMark); + ts.ioWriteTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + var newLine = ts.getNewLineCharacter(options); + return { + getSourceFile: getSourceFile, + getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } + }; + } + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); + } + return ts.sortAndDeduplicateDiagnostics(diagnostics); + } + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } + } + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; + } + return result; + } + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var programDiagnostics = ts.createDiagnosticCollection(); + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var skipDefaultLib = options.noLib; + var supportedExtensions = ts.getSupportedExtensions(options); + var start = new Date().getTime(); + host = host || createCompilerHost(options); + // Map storing if there is emit blocking diagnostics for given input + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var currentDirectory = host.getCurrentDirectory(); + var resolveModuleNamesWorker = host.resolveModuleNames + ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) + : (function (moduleNames, containingFile) { + var resolvedModuleNames = []; + // resolveModuleName does not store any results between calls. + // lookup is a local cache to avoid resolving the same module name several times + var lookup = {}; + for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { + var moduleName = moduleNames_1[_i]; + var resolvedName = void 0; + if (ts.hasProperty(lookup, moduleName)) { + resolvedName = lookup[moduleName]; + } + else { + resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; + lookup[moduleName] = resolvedName; + } + resolvedModuleNames.push(resolvedName); + } + return resolvedModuleNames; + }); + var filesByName = ts.createFileMap(); + // stores 'filename -> file association' ignoring case + // used to track cases when two file names differ only in casing + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (oldProgram) { + // check properties that can affect structure of the program or module resolution strategy + // if any of these properties has changed - structure cannot be reused + var oldOptions = oldProgram.getCompilerOptions(); + if ((oldOptions.module !== options.module) || + (oldOptions.noResolve !== options.noResolve) || + (oldOptions.target !== options.target) || + (oldOptions.noLib !== options.noLib) || + (oldOptions.jsx !== options.jsx) || + (oldOptions.allowJs !== options.allowJs)) { + oldProgram = undefined; + } + } + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, /*isDefaultLib*/ false); }); + // Do not process the default library if: + // - The '--noLib' flag is used. + // - A 'no-default-lib' reference comment is encountered in + // processing the root files. + if (!skipDefaultLib) { + processRootFile(host.getDefaultLibFileName(options), /*isDefaultLib*/ true); + } + } + // unconditionally set oldProgram to undefined to prevent it from being captured in closure + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } + }; + verifyCompilerOptions(); + ts.programTime += new Date().getTime() - start; + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + // If a rootDir is specified and is valid use it as the commonSourceDirectory + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + // Make sure directory path ends with directory separator so this string can directly + // used to replace with "" to get the relative path of the source file and the relative path doesn't + // start with / making it rooted path + commonSourceDirectory += ts.directorySeparator; + } + } + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + // Initialize a checker so that all our files are bound. + getTypeChecker(); + classifiableNames = {}; + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var sourceFile = files_3[_i]; + ts.copyMap(sourceFile.classifiableNames, classifiableNames); + } + } + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; + } + ts.Debug.assert(!oldProgram.structureIsReused); + // there is an old program, check if we can reuse its structure + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; + } + // check if program source files has changed in the way that can affect structure of the program + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + // value of no-default-lib has changed + // this will affect if default library is injected into the list of files + return false; + } + // check tripleslash references + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + // tripleslash references has changed + return false; + } + // check imports and module augmentations + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + // imports has changed + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + // moduleAugmentations has changed + return false; + } + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); + // ensure that module resolution results are still correct + for (var i = 0; i < moduleNames.length; i++) { + var newResolution = resolutions[i]; + var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); + var resolutionChanged = oldResolution + ? !newResolution || + oldResolution.resolvedFileName !== newResolution.resolvedFileName || + !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport + : newResolution; + if (resolutionChanged) { + return false; + } + } + } + // pass the cache of module resolutions from the old source file + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + modifiedSourceFiles.push(newSourceFile); + } + else { + // file has no changes - use it as is + newSourceFile = oldSourceFile; + } + // if file has passed all checks it should be safe to reuse it + newSourceFiles.push(newSourceFile); + } + // update fileName -> file mapping + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); + } + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + } + oldProgram.structureIsReused = true; + return true; + } + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFiles: program.getSourceFiles, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), + isEmitBlocked: isEmitBlocked + }; + } + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ true)); + } + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ false)); + } + function emit(sourceFile, writeFileCallback, cancellationToken) { + var _this = this; + return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); + } + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + } + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { + // If the noEmitOnError flag is set, then check if we have any errors so far. If so, + // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we + // get any preEmit diagnostics, not just the ones + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + var declarationDiagnostics = []; + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(/*sourceFile*/ undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emitSkipped: true }; + } + } + // Create the emit resolver outside of the "emitTime" tracking code below. That way + // any cost associated with it (like type checking) are appropriate associated with + // the type-checking counter. + // + // If the -out option is specified, we should not pass the source file to getEmitResolver. + // This is because in the -out scenario all files need to be emitted, and therefore all + // files need to be type checked. And the way to specify that all files need to be type + // checked is to not pass the file to getEmitResolver. + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + var start = new Date().getTime(); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); + ts.emitTime += new Date().getTime() - start; + return emitResult; + } + function getSourceFile(fileName) { + return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); + } + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + } + function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); + } + catch (e) { + if (e instanceof ts.OperationCanceledException) { + // We were canceled while performing the operation. Because our type checker + // might be a bad state, we need to throw it away. + // + // Note: we are overly agressive here. We do not actually *have* to throw away + // the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep + // the lifetimes of these two TypeCheckers the same. Also, we generally only + // cancel when the user has made a change anyways. And, in that case, we (the + // program instance) will get thrown away anyways. So trying to keep one of + // these type checkers alive doesn't serve much purpose. + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; + } + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + // For JavaScript files, we don't want to report the normal typescript semantic errors. + // Instead, we just report errors for using TypeScript-only constructs from within a + // JavaScript file. + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 230 /* ExportAssignment */: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 217 /* ClassDeclaration */: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 246 /* HeritageClause */: + var heritageClause = node; + if (heritageClause.token === 106 /* ImplementsKeyword */) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 218 /* InterfaceDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 221 /* ModuleDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 219 /* TypeAliasDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 216 /* FunctionDeclaration */: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; + } + break; + case 196 /* VariableStatement */: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; + } + break; + case 214 /* VariableDeclaration */: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; + } + break; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start_2 = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 139 /* Parameter */: + var parameter = node; + if (parameter.modifiers) { + var start_3 = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; + } + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 142 /* PropertyDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 220 /* EnumDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 174 /* TypeAssertionExpression */: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 140 /* Decorator */: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); + } + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start_4 = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 122 /* DeclareKeyword */: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + // These are all legal modifiers. + case 113 /* StaticKeyword */: + case 82 /* ExportKeyword */: + case 74 /* ConstKeyword */: + case 77 /* DefaultKeyword */: + case 115 /* AbstractKeyword */: + } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + if (!ts.isDeclarationFile(sourceFile)) { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + // Don't actually write any files since we're just getting diagnostics. + var writeFile_1 = function () { }; + return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); + } + }); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, /*inAmbientModule*/ false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9 /* StringLiteral */) { + break; + } + if (!moduleNameExpr.text) { + break; + } + // TypeScript 1.0 spec (April 2014): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules + // only through top - level external module names. Relative external module names are not permitted. + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 221 /* ModuleDeclaration */: + if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 /* Ambient */ || ts.isDeclarationFile(file))) { + var moduleName = node.name; + // Ambient module declarations can be interpreted as augmentations for some existing external modules. + // This will happen in two cases: + // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope + // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name + // immediately nested in top level ambient module declaration . + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); + } + else if (!inAmbientModule) { + // An AmbientExternalModuleDeclaration declares an external module. + // This type of declaration is permitted only in the global module. + // The StringLiteral must specify a top - level external module name. + // Relative external module names are not permitted + // NOTE: body of ambient module is always a module block + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, /*inAmbientModule*/ true); + } + } + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + // Get source file from normalized fileName + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + // try to check if we've already seen this file but with a different casing in path + // NOTE: this only makes sense for case-insensitive file systems + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + return file_1; + } + // We haven't looked for this file, do so now and cache result + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + file.path = path; + if (host.useCaseSensitiveFileNames()) { + // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); + } + } + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + var basePath = ts.getDirectoryPath(fileName); + if (!options.noResolve) { + processReferencedFiles(file, basePath); + } + // always process imported modules to record module name resolutions + processImportedModules(file, basePath); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, basePath) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, /*isDefaultLib*/ false, file, ref.pos, ref.end); + }); + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file, basePath) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = {}; + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + // add file to program only if: + // - resolution was successfull + // - noResolve is falsy + // - module name come from the list fo imports + var shouldAddFile = resolution && + !options.noResolve && + i < file.imports.length; + if (shouldAddFile) { + var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), /*isDefaultLib*/ false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); + if (importedFile && resolution.isExternalLibraryImport) { + // Since currently irrespective of allowJs, we only look for supportedTypeScript extension external module files, + // this check is ok. Otherwise this would be never true for javascript file + if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { + var start_5 = ts.getTokenPosOfNode(file.imports[i], file); + fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); + } + else if (importedFile.referencedFiles.length) { + var firstRef = importedFile.referencedFiles[0]; + fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); + } + } + } + } + } + else { + // no imports - drop cached module resolutions + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var commonPathComponents; + var failed = ts.forEach(files, function (sourceFile) { + // Each file contributes into common source file path + if (ts.isDeclarationFile(sourceFile)) { + return; + } + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); + sourcePathComponents.pop(); // The base file name is not part of the common directory path + if (!commonPathComponents) { + // first file + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + // Failed to find any common path component + return true; + } + // New common path found that is 0 -> i-1 + commonPathComponents.length = i; + break; + } + } + // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + // A common path can not be found when paths span multiple drives on windows, for example + if (failed) { + return ""; + } + if (!commonPathComponents) { + return currentDirectory; + } + return ts.getNormalizedPathFromPathComponents(commonPathComponents); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } + } + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.inlineSources) { + if (!options.sourceMap && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { + // Error to specify --mapRoot or --sourceRoot without mapSourceFiles + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.sourceRoot && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); + } + } + var languageVersion = options.target || 0 /* ES3 */; + var outFile = options.outFile || options.out; + var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === 0 /* None */ && languageVersion < 2 /* ES6 */) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstExternalModuleSourceFile && languageVersion < 2 /* ES6 */ && options.module === 0 /* None */) { + // We cannot use createDiagnosticFromNode because nodes do not have parents yet + var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); + } + // Cannot specify module gen target of es6 when below es6 + if (options.module === 5 /* ES6 */ && languageVersion < 2 /* ES6 */) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); + } + // Cannot specify module gen that isn't amd or system with --out + if (outFile && options.module && !(options.module === 2 /* AMD */ || options.module === 4 /* System */)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + // there has to be common source directory if user specified --outdir || --sourceRoot + // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + // Precalculate and cache the common source directory + var dir = getCommonSourceDirectory(); + // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (options.noEmit) { + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); + } + if (options.outDir) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); + } + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); + } + } + else if (options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + // Verify that all the emit files are unique and don't overwrite input files + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + // Report error if the output overwrites input file + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + // Report error if multiple files write into same file + if (emitFilesSeen.contains(emitFilePath)) { + // Already seen the same emit file - report error + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +/// +/// +/// +/// +/// +var ts; +(function (ts) { + /* @internal */ + ts.optionDeclarations = [ + { + name: "charset", + type: "string" + }, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file + }, + { + name: "diagnostics", + type: "boolean" + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file + }, + { + name: "inlineSourceMap", + type: "boolean" + }, + { + name: "inlineSources", + type: "boolean" + }, + { + name: "jsx", + type: { + "preserve": 1 /* Preserve */, + "react": 2 /* React */ + }, + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean" + }, + { + name: "locale", + type: "string" + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "module", + shortName: "m", + type: { + "none": 0 /* None */, + "commonjs": 1 /* CommonJS */, + "amd": 2 /* AMD */, + "system": 4 /* System */, + "umd": 3 /* UMD */, + "es6": 5 /* ES6 */, + "es2015": 5 /* ES2015 */ + }, + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none + }, + { + name: "newLine", + type: { + "crlf": 0 /* CarriageReturnLineFeed */, + "lf": 1 /* LineFeed */ + }, + description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type + }, + { + name: "noLib", + type: "boolean" + }, + { + name: "noResolve", + type: "boolean" + }, + { + name: "skipDefaultLibCheck", + type: "boolean" + }, + { + name: "out", + type: "string", + isFilePath: false, + // for correct behaviour, please use outFile + paramType: ts.Diagnostics.FILE + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "isolatedModules", + type: "boolean" + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: { + "es3": 0 /* ES3 */, + "es5": 1 /* ES5 */, + "es6": 2 /* ES6 */, + "es2015": 2 /* ES2015 */ + }, + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, + paramType: ts.Diagnostics.VERSION, + error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: { + "node": 2 /* NodeJs */, + "classic": 1 /* Classic */ + }, + description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "noCustomAsyncPromise", + type: "boolean", + experimental: true + } + ]; + var optionNameMapCache; + /* @internal */ + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; + } + var optionNameMap = {}; + var shortOptionNames = {}; + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; + } + ts.getOptionNameMap = getOptionNameMap; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64 /* at */) { + parseResponseFile(s.slice(1)); + } + else if (s.charCodeAt(0) === 45 /* minus */) { + s = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1).toLowerCase(); + // Try to translate short option names to their full equivalents. + if (ts.hasProperty(shortOptionNames, s)) { + s = shortOptionNames[s]; + } + if (ts.hasProperty(optionNameMap, s)) { + var opt = optionNameMap[s]; + // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument). + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + options[opt.name] = true; + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + // If not a primitive, the possible types are specified in what is effectively a map of options. + default: + var map_1 = opt.type; + var key = (args[i] || "").toLowerCase(); + i++; + if (ts.hasProperty(map_1, key)) { + options[opt.name] = map_1[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + } + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); + } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34 /* doubleQuote */) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32 /* space */) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); + } + } + ts.parseCommandLine = parseCommandLine; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); + } + ts.readConfigFile = readConfigFile; + /** + * Parse the text of the tsconfig.json file + * @param fileName The path to the config file + * @param jsonText The text of the config file + */ + function parseConfigFileTextToJson(fileName, jsonText) { + try { + var jsonTextWithoutComments = removeComments(jsonText); + return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } + } + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + /** + * Remove the comments from a json like text. + * Comments can be single line comments (starting with # or //) or multiline comments using / * * / + * + * This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate. + */ + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1 /* ES5 */, /* skipTrivia */ false, 0 /* Standard */, jsonText); + var token; + while ((token = scanner.scan()) !== 1 /* EndOfFileToken */) { + switch (token) { + case 2 /* SingleLineCommentTrivia */: + case 3 /* MultiLineCommentTrivia */: + // replace comments with whitespace to preserve original character positions + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; + } + } + return output; + } + /** + * Parse the contents of a config file (tsconfig.json). + * @param json The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { + if (existingOptions === void 0) { existingOptions = {}; } + var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; + var options = ts.extend(existingOptions, optionsFromJsonConfigFile); + return { + options: options, + fileNames: getFileNames(), + errors: errors + }; + function getFileNames() { + var fileNames = []; + if (ts.hasProperty(json, "files")) { + if (json["files"] instanceof Array) { + fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } + } + else { + var filesSeen = {}; + var exclude = []; + if (json["exclude"] instanceof Array) { + exclude = json["exclude"]; + } + else { + // by default exclude node_modules, and any specificied output directory + exclude = ["node_modules"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + exclude.push(outDir); + } + } + exclude = ts.map(exclude, ts.normalizeSlashes); + var supportedExtensions = ts.getSupportedExtensions(options); + ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); + // Get files of supported extensions in their order of resolution + for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { + var extension = supportedExtensions_1[_i]; + var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); + for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { + var fileName = filesInDirWithExtension_1[_a]; + // .ts extension would read the .d.ts extension files too but since .d.ts is lower priority extension, + // lets pick them when its turn comes up + if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { + continue; + } + // Skip over any minified JavaScript files (ending in ".min.js") + if (/\.min\.js$/.test(fileName)) { + continue; + } + // If this is one of the output extension (which would be .d.ts and .js if we are allowing compilation of js files) + // do not include this file if we included .ts or .tsx file with same base name as it could be output of the earlier compilation + if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { + var baseName = fileName.substr(0, fileName.length - extension.length); + if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { + continue; + } + } + filesSeen[fileName] = true; + fileNames.push(fileName); + } + } + } + return fileNames; + } + } + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var options = {}; + var errors = []; + if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { + options.allowJs = true; + } + if (!jsonOptions) { + return { options: options, errors: errors }; + } + var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (ts.hasProperty(optionNameMap, id)) { + var opt = optionNameMap[id]; + var optType = opt.type; + var value = jsonOptions[id]; + var expectedType = typeof optType === "string" ? optType : "string"; + if (typeof value === expectedType) { + if (typeof optType !== "string") { + var key = value.toLowerCase(); + if (ts.hasProperty(optType, key)) { + value = optType[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + value = 0; + } + } + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } + options[opt.name] = value; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); + } + } + return { options: options, errors: errors }; + } + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile) { + var elements = []; + var collapseText = "..."; + function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { + if (hintSpanNode && startElement && endElement) { + var span = { + textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), + hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningSpanComments(commentSpan, autoCollapse) { + if (commentSpan) { + var span = { + textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningForLeadingCommentsForNode(n) { + var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); + if (comments) { + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var isFirstSingleLineComment = true; + var singleLineCommentCount = 0; + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var currentComment = comments_2[_i]; + // For single line comments, combine consecutive ones (2 or more) into + // a single span from the start of the first till the end of the last + if (currentComment.kind === 2 /* SingleLineCommentTrivia */) { + if (isFirstSingleLineComment) { + firstSingleLineCommentStart = currentComment.pos; + } + isFirstSingleLineComment = false; + lastSingleLineCommentEnd = currentComment.end; + singleLineCommentCount++; + } + else if (currentComment.kind === 3 /* MultiLineCommentTrivia */) { + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + addOutliningSpanComments(currentComment, /*autoCollapse*/ false); + singleLineCommentCount = 0; + lastSingleLineCommentEnd = -1; + isFirstSingleLineComment = true; + } + } + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + } + } + function combineAndAddMultipleSingleLineComments(count, start, end) { + // Only outline spans of two or more consecutive single line comments + if (count > 1) { + var multipleSingleLineComments = { + pos: start, + end: end, + kind: 2 /* SingleLineCommentTrivia */ + }; + addOutliningSpanComments(multipleSingleLineComments, /*autoCollapse*/ false); + } + } + function autoCollapse(node) { + return ts.isFunctionBlock(node) && node.parent.kind !== 177 /* ArrowFunction */; + } + var depth = 0; + var maxDepth = 20; + function walk(n) { + if (depth > maxDepth) { + return; + } + if (ts.isDeclaration(n)) { + addOutliningForLeadingCommentsForNode(n); + } + switch (n.kind) { + case 195 /* Block */: + if (!ts.isFunctionBlock(n)) { + var parent_9 = n.parent; + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + // Check if the block is standalone, or 'attached' to some parent statement. + // If the latter, we want to collaps the block, but consider its hint span + // to be the entire span of the parent. + if (parent_9.kind === 200 /* DoStatement */ || + parent_9.kind === 203 /* ForInStatement */ || + parent_9.kind === 204 /* ForOfStatement */ || + parent_9.kind === 202 /* ForStatement */ || + parent_9.kind === 199 /* IfStatement */ || + parent_9.kind === 201 /* WhileStatement */ || + parent_9.kind === 208 /* WithStatement */ || + parent_9.kind === 247 /* CatchClause */) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + if (parent_9.kind === 212 /* TryStatement */) { + // Could be the try-block, or the finally-block. + var tryStatement = parent_9; + if (tryStatement.tryBlock === n) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + else if (tryStatement.finallyBlock === n) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); + if (finallyKeyword) { + addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); + break; + } + } + } + // Block was a standalone block. In this case we want to only collapse + // the span of the block, independent of any parent span. + var span = ts.createTextSpanFromBounds(n.getStart(), n.end); + elements.push({ + textSpan: span, + hintSpan: span, + bannerText: collapseText, + autoCollapse: autoCollapse(n) + }); + break; + } + // Fallthrough. + case 222 /* ModuleBlock */: { + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 223 /* CaseBlock */: { + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 167 /* ArrayLiteralExpression */: + var openBracket = ts.findChildOfKind(n, 19 /* OpenBracketToken */, sourceFile); + var closeBracket = ts.findChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); + addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); + break; + } + depth++; + ts.forEachChild(n, walk); + depth--; + } + walk(sourceFile); + return elements; + } + OutliningElementsCollector.collectElements = collectElements; + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { + var patternMatcher = ts.createPatternMatcher(searchValue); + var rawItems = []; + // This means "compare in a case insensitive manner." + var baseSensitivity = { sensitivity: "base" }; + // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[] + ts.forEach(program.getSourceFiles(), function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + var nameToDeclarations = sourceFile.getNamedDeclarations(); + for (var name_32 in nameToDeclarations) { + var declarations = ts.getProperty(nameToDeclarations, name_32); + if (declarations) { + // First do a quick check to see if the name of the declaration matches the + // last portion of the (possibly) dotted name they're searching for. + var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); + if (!matches) { + continue; + } + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + // It was a match! If the pattern has dots in it, then also see if the + // declaration container matches as well. + if (patternMatcher.patternContainsDots) { + var containers = getContainers(declaration); + if (!containers) { + return undefined; + } + matches = patternMatcher.getMatches(containers, name_32); + if (!matches) { + continue; + } + } + var fileName = sourceFile.fileName; + var matchKind = bestMatchKind(matches); + rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); + } + } + } + }); + rawItems.sort(compareNavigateToItems); + if (maxResultCount !== undefined) { + rawItems = rawItems.slice(0, maxResultCount); + } + var items = ts.map(rawItems, createNavigateToItem); + return items; + function allMatchesAreCaseSensitive(matches) { + ts.Debug.assert(matches.length > 0); + // This is a case sensitive match, only if all the submatches were case sensitive. + for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { + var match = matches_1[_i]; + if (!match.isCaseSensitive) { + return false; + } + } + return true; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 9 /* StringLiteral */ || + node.kind === 8 /* NumericLiteral */) { + return node.text; + } + } + return undefined; + } + function tryAddSingleDeclarationName(declaration, containers) { + if (declaration && declaration.name) { + var text = getTextOfIdentifierOrLiteral(declaration.name); + if (text !== undefined) { + containers.unshift(text); + } + else if (declaration.name.kind === 137 /* ComputedPropertyName */) { + return tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ true); + } + else { + // Don't know how to add this. + return false; + } + } + return true; + } + // Only added the names of computed properties if they're simple dotted expressions, like: + // + // [X.Y.Z]() { } + function tryAddComputedPropertyName(expression, containers, includeLastPortion) { + var text = getTextOfIdentifierOrLiteral(expression); + if (text !== undefined) { + if (includeLastPortion) { + containers.unshift(text); + } + return true; + } + if (expression.kind === 169 /* PropertyAccessExpression */) { + var propertyAccess = expression; + if (includeLastPortion) { + containers.unshift(propertyAccess.name.text); + } + return tryAddComputedPropertyName(propertyAccess.expression, containers, /*includeLastPortion*/ true); + } + return false; + } + function getContainers(declaration) { + var containers = []; + // First, if we started with a computed property name, then add all but the last + // portion into the container array. + if (declaration.name.kind === 137 /* ComputedPropertyName */) { + if (!tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ false)) { + return undefined; + } + } + // Now, walk up our containers, adding all their names to the container array. + declaration = ts.getContainerNode(declaration); + while (declaration) { + if (!tryAddSingleDeclarationName(declaration, containers)) { + return undefined; + } + declaration = ts.getContainerNode(declaration); + } + return containers; + } + function bestMatchKind(matches) { + ts.Debug.assert(matches.length > 0); + var bestMatchKind = ts.PatternMatchKind.camelCase; + for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { + var match = matches_2[_i]; + var kind = match.kind; + if (kind < bestMatchKind) { + bestMatchKind = kind; + } + } + return bestMatchKind; + } + function compareNavigateToItems(i1, i2) { + // TODO(cyrusn): get the gamut of comparisons that VS already uses here. + // Right now we just sort by kind first, and then by name of the item. + // We first sort case insensitively. So "Aaa" will come before "bar". + // Then we sort case sensitively, so "aaa" will come before "Aaa". + return i1.matchKind - i2.matchKind || + i1.name.localeCompare(i2.name, undefined, baseSensitivity) || + i1.name.localeCompare(i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), + // TODO(jfreeman): What should be the containerName when the container has a computed name? + containerName: container && container.name ? container.name.text : "", + containerKind: container && container.name ? ts.getNodeKind(container) : "" + }; + } + } + NavigateTo.getNavigateToItems = getNavigateToItems; + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var NavigationBar; + (function (NavigationBar) { + function getNavigationBarItems(sourceFile, compilerOptions) { + // If the source file has any child items, then it included in the tree + // and takes lexical ownership of all other top-level items. + var hasGlobalNode = false; + return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); + function getIndent(node) { + // If we have a global node in the tree, + // then it adds an extra layer of depth to all subnodes. + var indent = hasGlobalNode ? 1 : 0; + var current = node.parent; + while (current) { + switch (current.kind) { + case 221 /* ModuleDeclaration */: + // If we have a module declared as A.B.C, it is more "intuitive" + // to say it only has a single layer of depth + do { + current = current.parent; + } while (current.kind === 221 /* ModuleDeclaration */); + // fall through + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + indent++; + } + current = current.parent; + } + return indent; + } + function getChildNodes(nodes) { + var childNodes = []; + function visit(node) { + switch (node.kind) { + case 196 /* VariableStatement */: + ts.forEach(node.declarationList.declarations, visit); + break; + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + ts.forEach(node.elements, visit); + break; + case 231 /* ExportDeclaration */: + // Handle named exports case e.g.: + // export {a, b as B} from "mod"; + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225 /* ImportDeclaration */: + var importClause = node.importClause; + if (importClause) { + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + childNodes.push(importClause); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + childNodes.push(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + case 166 /* BindingElement */: + case 214 /* VariableDeclaration */: + if (ts.isBindingPattern(node.name)) { + visit(node.name); + break; + } + // Fall through + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 216 /* FunctionDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + childNodes.push(node); + break; + } + } + //for (let i = 0, n = nodes.length; i < n; i++) { + // let node = nodes[i]; + // if (node.kind === SyntaxKind.ClassDeclaration || + // node.kind === SyntaxKind.EnumDeclaration || + // node.kind === SyntaxKind.InterfaceDeclaration || + // node.kind === SyntaxKind.ModuleDeclaration || + // node.kind === SyntaxKind.FunctionDeclaration) { + // childNodes.push(node); + // } + // else if (node.kind === SyntaxKind.VariableStatement) { + // childNodes.push.apply(childNodes, (node).declarations); + // } + //} + ts.forEach(nodes, visit); + return sortNodes(childNodes); + } + function getTopLevelNodes(node) { + var topLevelNodes = []; + topLevelNodes.push(node); + addTopLevelNodes(node.statements, topLevelNodes); + return topLevelNodes; + } + function sortNodes(nodes) { + return nodes.slice(0).sort(function (n1, n2) { + if (n1.name && n2.name) { + return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); + } + else if (n1.name) { + return 1; + } + else if (n2.name) { + return -1; + } + else { + return n1.kind - n2.kind; + } + }); + } + function addTopLevelNodes(nodes, topLevelNodes) { + nodes = sortNodes(nodes); + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + topLevelNodes.push(node); + break; + case 221 /* ModuleDeclaration */: + var moduleDeclaration = node; + topLevelNodes.push(node); + addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); + break; + case 216 /* FunctionDeclaration */: + var functionDeclaration = node; + if (isTopLevelFunctionDeclaration(functionDeclaration)) { + topLevelNodes.push(node); + addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); + } + break; + } + } + } + function isTopLevelFunctionDeclaration(functionDeclaration) { + if (functionDeclaration.kind === 216 /* FunctionDeclaration */) { + // A function declaration is 'top level' if it contains any function declarations + // within it. + if (functionDeclaration.body && functionDeclaration.body.kind === 195 /* Block */) { + // Proper function declarations can only have identifier names + if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 /* FunctionDeclaration */ && !isEmpty(s.name.text); })) { + return true; + } + // Or if it is not parented by another function. i.e all functions + // at module scope are 'top level'. + if (!ts.isFunctionBlock(functionDeclaration.parent)) { + return true; + } + } + } + return false; + } + function getItemsWorker(nodes, createItem) { + var items = []; + var keyToItem = {}; + for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { + var child = nodes_5[_i]; + var item = createItem(child); + if (item !== undefined) { + if (item.text.length > 0) { + var key = item.text + "-" + item.kind + "-" + item.indent; + var itemWithSameName = keyToItem[key]; + if (itemWithSameName) { + // We had an item with the same name. Merge these items together. + merge(itemWithSameName, item); + } + else { + keyToItem[key] = item; + items.push(item); + } + } + } + } + return items; + } + function merge(target, source) { + // First, add any spans in the source to the target. + ts.addRange(target.spans, source.spans); + if (source.childItems) { + if (!target.childItems) { + target.childItems = []; + } + // Next, recursively merge or add any children in the source as appropriate. + outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { + var sourceChild = _a[_i]; + for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { + var targetChild = _c[_b]; + if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { + // Found a match. merge them. + merge(targetChild, sourceChild); + continue outer; + } + } + // Didn't find a match, just add this child to the list. + target.childItems.push(sourceChild); + } + } + } + function createChildItem(node) { + switch (node.kind) { + case 139 /* Parameter */: + if (ts.isBindingPattern(node.name)) { + break; + } + if ((node.flags & 1022 /* Modifier */) === 0) { + return undefined; + } + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); + case 146 /* GetAccessor */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); + case 147 /* SetAccessor */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); + case 150 /* IndexSignature */: + return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); + case 250 /* EnumMember */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 148 /* CallSignature */: + return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); + case 149 /* ConstructSignature */: + return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 216 /* FunctionDeclaration */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + var variableDeclarationNode = void 0; + var name_33; + if (node.kind === 166 /* BindingElement */) { + name_33 = node.name; + variableDeclarationNode = node; + // binding elements are added only for variable declarations + // bubble up to the containing variable declaration + while (variableDeclarationNode && variableDeclarationNode.kind !== 214 /* VariableDeclaration */) { + variableDeclarationNode = variableDeclarationNode.parent; + } + ts.Debug.assert(variableDeclarationNode !== undefined); + } + else { + ts.Debug.assert(!ts.isBindingPattern(node.name)); + variableDeclarationNode = node; + name_33 = node.name; + } + if (ts.isConst(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); + } + else if (ts.isLet(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); + } + else { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); + } + case 145 /* Constructor */: + return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); + case 233 /* ExportSpecifier */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); + } + return undefined; + function createItem(node, name, scriptElementKind) { + return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); + } + } + function isEmpty(text) { + return !text || text.trim() === ""; + } + function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { + if (childItems === void 0) { childItems = []; } + if (indent === void 0) { indent = 0; } + if (isEmpty(text)) { + return undefined; + } + return { + text: text, + kind: kind, + kindModifiers: kindModifiers, + spans: spans, + childItems: childItems, + indent: indent, + bolded: false, + grayed: false + }; + } + function createTopLevelItem(node) { + switch (node.kind) { + case 251 /* SourceFile */: + return createSourceFileItem(node); + case 217 /* ClassDeclaration */: + return createClassItem(node); + case 220 /* EnumDeclaration */: + return createEnumItem(node); + case 218 /* InterfaceDeclaration */: + return createIterfaceItem(node); + case 221 /* ModuleDeclaration */: + return createModuleItem(node); + case 216 /* FunctionDeclaration */: + return createFunctionItem(node); + } + return undefined; + function getModuleName(moduleDeclaration) { + // We want to maintain quotation marks. + if (ts.isAmbientModule(moduleDeclaration)) { + return getTextOfNode(moduleDeclaration.name); + } + // Otherwise, we need to aggregate each identifier to build up the qualified name. + var result = []; + result.push(moduleDeclaration.name.text); + while (moduleDeclaration.body && moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { + moduleDeclaration = moduleDeclaration.body; + result.push(moduleDeclaration.name.text); + } + return result.join("."); + } + function createModuleItem(node) { + var moduleName = getModuleName(node); + var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); + return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createFunctionItem(node) { + if (node.body && node.body.kind === 195 /* Block */) { + var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); + return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + return undefined; + } + function createSourceFileItem(node) { + var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); + if (childItems === undefined || childItems.length === 0) { + return undefined; + } + hasGlobalNode = true; + var rootName = ts.isExternalModule(node) + ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" + : ""; + return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); + } + function createClassItem(node) { + var childItems; + if (node.members) { + var constructor = ts.forEach(node.members, function (member) { + return member.kind === 145 /* Constructor */ && member; + }); + // Add the constructor parameters in as children of the class (for property parameters). + // Note that *all non-binding pattern named* parameters will be added to the nodes array, but parameters that + // are not properties will be filtered out later by createChildItem. + var nodes = removeDynamicallyNamedProperties(node); + if (constructor) { + ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); + } + childItems = getItemsWorker(sortNodes(nodes), createChildItem); + } + var nodeName = !node.name ? "default" : node.name.text; + return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createEnumItem(node) { + var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createIterfaceItem(node) { + var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + } + function removeComputedProperties(node) { + return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137 /* ComputedPropertyName */; }); + } + /** + * Like removeComputedProperties, but retains the properties with well known symbol names + */ + function removeDynamicallyNamedProperties(node) { + return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); + } + function getInnermostModule(node) { + while (node.body.kind === 221 /* ModuleDeclaration */) { + node = node.body; + } + return node; + } + function getNodeSpan(node) { + return node.kind === 251 /* SourceFile */ + ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) + : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); + } + function getTextOfNode(node) { + return ts.getTextOfNodeFromSourceText(sourceFile.text, node); + } + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + // Note(cyrusn): this enum is ordered from strongest match type to weakest match type. + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); + var PatternMatchKind = ts.PatternMatchKind; + function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { + return { + kind: kind, + punctuationStripped: punctuationStripped, + isCaseSensitive: isCaseSensitive, + camelCaseWeight: camelCaseWeight + }; + } + function createPatternMatcher(pattern) { + // We'll often see the same candidate string many times when searching (For example, when + // we see the name of a module that is used everywhere, or the name of an overload). As + // such, we cache the information we compute about the candidate for the life of this + // pattern matcher so we don't have to compute it multiple times. + var stringToWordSpans = {}; + pattern = pattern.trim(); + var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); + var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); + return { + getMatches: getMatches, + getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + // Quick checks so we can bail out when asked to match a candidate. + function skipMatch(candidate) { + return invalidPattern || !candidate; + } + function getMatchesForLastSegmentOfPattern(candidate) { + if (skipMatch(candidate)) { + return undefined; + } + return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + } + function getMatches(candidateContainers, candidate) { + if (skipMatch(candidate)) { + return undefined; + } + // First, check that the last part of the dot separated pattern matches the name of the + // candidate. If not, then there's no point in proceeding and doing the more + // expensive work. + var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + if (!candidateMatch) { + return undefined; + } + candidateContainers = candidateContainers || []; + // -1 because the last part was checked against the name, and only the rest + // of the parts are checked against the container. + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + // There weren't enough container parts to match against the pattern parts. + // So this definitely doesn't match. + return undefined; + } + // So far so good. Now break up the container for the candidate and check if all + // the dotted parts match up correctly. + var totalMatch = candidateMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + var segment = dotSeparatedSegments[i]; + var containerName = candidateContainers[j]; + var containerMatch = matchSegment(containerName, segment); + if (!containerMatch) { + // This container didn't match the pattern piece. So there's no match at all. + return undefined; + } + ts.addRange(totalMatch, containerMatch); + } + // Success, this symbol's full name matched against the dotted name the user was asking + // about. + return totalMatch; + } + function getWordSpans(word) { + if (!ts.hasProperty(stringToWordSpans, word)) { + stringToWordSpans[word] = breakIntoWordSpans(word); + } + return stringToWordSpans[word]; + } + function matchTextChunk(candidate, chunk, punctuationStripped) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + if (chunk.text.length === candidate.length) { + // a) Check if the part matches the candidate entirely, in an case insensitive or + // sensitive manner. If it does, return that there was an exact match. + return createPatternMatch(PatternMatchKind.exact, punctuationStripped, /*isCaseSensitive:*/ candidate === chunk.text); + } + else { + // b) Check if the part is a prefix of the candidate, in a case insensitive or sensitive + // manner. If it does, return that there was a prefix match. + return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, /*isCaseSensitive:*/ startsWith(candidate, chunk.text)); + } + } + var isLowercase = chunk.isLowerCase; + if (isLowercase) { + if (index > 0) { + // c) If the part is entirely lowercase, then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of some + // word part. That way we don't match something like 'Class' when the user types 'a'. + // But we would match 'FooAttribute' (since 'Attribute' starts with 'a'). + var wordSpans = getWordSpans(candidate); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span = wordSpans_1[_i]; + if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, + /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false)); + } + } + } + } + else { + // d) If the part was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ true); + } + } + if (!isLowercase) { + // e) If the part was not entirely lowercase, then attempt a camel cased match as well. + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate); + var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ true, /*camelCaseWeight:*/ camelCaseWeight); + } + camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ false, /*camelCaseWeight:*/ camelCaseWeight); + } + } + } + if (isLowercase) { + // f) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries? + // We could check every character boundary start of the candidate for the pattern. However, that's + // an m * n operation in the wost case. Instead, find the first instance of the pattern + // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to + // filter the list based on a substring that starts on a capital letter and also with a lowercase one. + // (Pattern: fogbar, Candidate: quuxfogbarFogBar). + if (chunk.text.length < candidate.length) { + if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ false); + } + } + } + return undefined; + } + function containsSpaceOrAsterisk(text) { + for (var i = 0; i < text.length; i++) { + var ch = text.charCodeAt(i); + if (ch === 32 /* space */ || ch === 42 /* asterisk */) { + return true; + } + } + return false; + } + function matchSegment(candidate, segment) { + // First check if the segment matches as is. This is also useful if the segment contains + // characters we would normally strip when splitting into parts that we also may want to + // match in the candidate. For example if the segment is "@int" and the candidate is + // "@int", then that will show up as an exact match here. + // + // Note: if the segment contains a space or an asterisk then we must assume that it's a + // multi-word segment. + if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { + var match = matchTextChunk(candidate, segment.totalTextChunk, /*punctuationStripped:*/ false); + if (match) { + return [match]; + } + } + // The logic for pattern matching is now as follows: + // + // 1) Break the segment passed in into words. Breaking is rather simple and a + // good way to think about it that if gives you all the individual alphanumeric words + // of the pattern. + // + // 2) For each word try to match the word against the candidate value. + // + // 3) Matching is as follows: + // + // a) Check if the word matches the candidate entirely, in an case insensitive or + // sensitive manner. If it does, return that there was an exact match. + // + // b) Check if the word is a prefix of the candidate, in a case insensitive or + // sensitive manner. If it does, return that there was a prefix match. + // + // c) If the word is entirely lowercase, then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of + // some word part. That way we don't match something like 'Class' when the user + // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with + // 'a'). + // + // d) If the word was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + // + // e) If the word was not entirely lowercase, then attempt a camel cased match as + // well. + // + // f) The word is all lower case. Is it a case insensitive substring of the candidate starting + // on a part boundary of the candidate? + // + // Only if all words have some sort of match is the pattern considered matched. + var subWordTextChunks = segment.subWordTextChunks; + var matches = undefined; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + // Try to match the candidate with this word + var result = matchTextChunk(candidate, subWordTextChunk, /*punctuationStripped:*/ true); + if (!result) { + return undefined; + } + matches = matches || []; + matches.push(result); + } + return matches; + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + var patternPartStart = patternSpan ? patternSpan.start : 0; + var patternPartLength = patternSpan ? patternSpan.length : pattern.length; + if (patternPartLength > candidateSpan.length) { + // Pattern part is longer than the candidate part. There can never be a match. + return false; + } + if (ignoreCase) { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (toLowerCase(ch1) !== toLowerCase(ch2)) { + return false; + } + } + } + else { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (ch1 !== ch2) { + return false; + } + } + } + return true; + } + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + // Note: we may have more pattern parts than candidate parts. This is because multiple + // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI". + // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U + // and I will both match in UI. + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch = undefined; + var contiguous = undefined; + while (true) { + // Let's consider our termination cases + if (currentChunkSpan === chunkCharacterSpans.length) { + // We did match! We shall assign a weight to this + var weight = 0; + // Was this contiguous? + if (contiguous) { + weight += 1; + } + // Did we start at the beginning of the candidate? + if (firstMatch === 0) { + weight += 2; + } + return weight; + } + else if (currentCandidate === candidateParts.length) { + // No match, since we still have more of the pattern to hit + return undefined; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + // Consider the case of matching SiUI against SimpleUIElement. The candidate parts + // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si' + // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to + // still keep matching pattern parts against that candidate part. + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + // We've already gotten one pattern part match in this candidate. We will + // only continue trying to consumer pattern parts if the last part and this + // part are both upper case. + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; + } + } + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; + } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + // If we were contiguous, then keep that value. If we weren't, then keep that + // value. If we don't know, then set the value to 'true' as an initial match is + // obviously contiguous. + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); + } + // Check if we matched anything at all. If we didn't, then we need to unset the + // contiguous bit if we currently had it set. + // If we haven't set the bit yet, then that means we haven't matched anything so + // far, and we don't want to change that. + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; + } + // Move onto the next candidate. + currentCandidate++; + } + } + } + ts.createPatternMatcher = createPatternMatcher; + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + // A segment is considered invalid if we couldn't find any words in it. + function segmentIsInvalid(segment) { + return segment.subWordTextChunks.length === 0; + } + function isUpperCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 65 /* A */ && ch <= 90 /* Z */) { + return true; + } + if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 97 /* a */ && ch <= 122 /* z */) { + return true; + } + if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + function startsWith(string, search) { + for (var i = 0, n = search.length; i < n; i++) { + if (string.charCodeAt(i) !== search.charCodeAt(i)) { + return false; + } + } + return true; + } + // Assumes 'value' is already lowercase. + function indexOfIgnoringCase(string, value) { + for (var i = 0, n = string.length - value.length; i <= n; i++) { + if (startsWithIgnoringCase(string, value, i)) { + return i; + } + } + return -1; + } + // Assumes 'value' is already lowercase. + function startsWithIgnoringCase(string, value, start) { + for (var i = 0, n = value.length; i < n; i++) { + var ch1 = toLowerCase(string.charCodeAt(i + start)); + var ch2 = value.charCodeAt(i); + if (ch1 !== ch2) { + return false; + } + } + return true; + } + function toLowerCase(ch) { + // Fast convert for the ascii range. + if (ch >= 65 /* A */ && ch <= 90 /* Z */) { + return 97 /* a */ + (ch - 65 /* A */); + } + if (ch < 127 /* maxAsciiCharacter */) { + return ch; + } + // TODO: find a way to compute this for any unicode characters in a + // non-allocating manner. + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + // TODO(cyrusn): Find a way to support this for unicode digits. + return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* _ */ || ch === 36 /* $ */; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; + } + wordLength++; + } + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } + } + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + /* @internal */ function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + /* @internal */ function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1, n = identifier.length; i < n; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); + } + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33 /* exclamation */: + case 34 /* doubleQuote */: + case 35 /* hash */: + case 37 /* percent */: + case 38 /* ampersand */: + case 39 /* singleQuote */: + case 40 /* openParen */: + case 41 /* closeParen */: + case 42 /* asterisk */: + case 44 /* comma */: + case 45 /* minus */: + case 46 /* dot */: + case 47 /* slash */: + case 58 /* colon */: + case 59 /* semicolon */: + case 63 /* question */: + case 64 /* at */: + case 91 /* openBracket */: + case 92 /* backslash */: + case 93 /* closeBracket */: + case 95 /* _ */: + case 123 /* openBrace */: + case 125 /* closeBrace */: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + for (var i = start; i < end; i++) { + var ch = identifier.charCodeAt(i); + // We don't consider _ or $ as punctuation as there may be things with that name. + if (!charIsPunctuation(ch) || ch === 95 /* _ */ || ch === 36 /* $ */) { + return false; + } + } + return true; + } + function transitionFromUpperToLower(identifier, word, index, wordStart) { + if (word) { + // Cases this supports: + // 1) IDisposable -> I, Disposable + // 2) UIElement -> UI, Element + // 3) HTMLDocument -> HTML, Document + // + // etc. + if (index !== wordStart && + index + 1 < identifier.length) { + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); + if (currentIsUpper && nextIsLower) { + // We have a transition from an upper to a lower letter here. But we only + // want to break if all the letters that preceded are uppercase. i.e. if we + // have "Foo" we don't want to break that into "F, oo". But if we have + // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI, + // Foo". i.e. the last uppercase letter belongs to the lowercase letters + // that follows. Note: this will make the following not split properly: + // "HELLOthere". However, these sorts of names do not show up in .Net + // programs. + for (var i = wordStart; i < index; i++) { + if (!isUpperCaseLetter(identifier.charCodeAt(i))) { + return false; + } + } + return true; + } + } + } + return false; + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + // See if the casing indicates we're starting a new word. Note: if we're breaking on + // words, then just seeing an upper case character isn't enough. Instead, it has to + // be uppercase and the previous character can't be uppercase. + // + // For example, breaking "AddMetadata" on words would make: Add Metadata + // + // on characters would be: A dd M etadata + // + // Break "AM" on words would be: AM + // + // on characters would be: A M + // + // We break the search string on characters. But we break the symbol name on words. + var transition = word + ? (currentIsUpper && !lastIsUpper) + : currentIsUpper; + return transition; + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + // A partially written generic type expression is not guaranteed to have the correct syntax tree. the expression could be parsed as less than/greater than expression or a comma expression + // or some other combination depending on what the user has typed so far. For the purposes of signature help we need to consider any location after "<" as a possible generic type reference. + // To do this, the method will back parse the expression starting at the position required. it will try to parse the current expression as a generic type expression, if it did succeed it + // will return the generic identifier that started the expression (e.g. "foo" in "foo(#a, b) -> The token introduces a list, and should begin a sig help session + // Case 2: + // fo#o#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end + // Case 3: + // foo(a#, #b#) -> The token is buried inside a list, and should give sig help + // Find out if 'node' is an argument, a type argument, or neither + if (node.kind === 25 /* LessThanToken */ || + node.kind === 17 /* OpenParenToken */) { + // Find the list that starts right *after* the < or ( token. + // If the user has just opened a list, consider this item 0. + var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + ts.Debug.assert(list !== undefined); + return { + kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: 0, + argumentCount: getArgumentCount(list) + }; + } + // findListItemInfo can return undefined if we are not in parent's argument list + // or type argument list. This includes cases where the cursor is: + // - To the right of the closing paren, non-substitution template, or template tail. + // - Between the type arguments and the arguments (greater than token) + // - On the target of the call (parent.func) + // - On the 'new' keyword in a 'new' expression + var listItemInfo = ts.findListItemInfo(node); + if (listItemInfo) { + var list = listItemInfo.list; + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + var argumentIndex = getArgumentIndex(list, node); + var argumentCount = getArgumentCount(list); + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + } + else if (node.kind === 11 /* NoSubstitutionTemplateLiteral */ && node.parent.kind === 173 /* TaggedTemplateExpression */) { + // Check if we're actually inside the template; + // otherwise we'll fall out and return undefined. + if (ts.isInsideTemplateLiteral(node, position)) { + return getArgumentListInfoForTemplate(node.parent, /*argumentIndex*/ 0); + } + } + else if (node.kind === 12 /* TemplateHead */ && node.parent.parent.kind === 173 /* TaggedTemplateExpression */) { + var templateExpression = node.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); + var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + else if (node.parent.kind === 193 /* TemplateSpan */ && node.parent.parent.parent.kind === 173 /* TaggedTemplateExpression */) { + var templateSpan = node.parent; + var templateExpression = templateSpan.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); + // If we're just after a template tail, don't show signature help. + if (node.kind === 14 /* TemplateTail */ && !ts.isInsideTemplateLiteral(node, position)) { + return undefined; + } + var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + return undefined; + } + function getArgumentIndex(argumentsList, node) { + // The list we got back can include commas. In the presence of errors it may + // also just have nodes without commas. For example "Foo(a b c)" will have 3 + // args without commas. We want to find what index we're at. So we count + // forward until we hit ourselves, only incrementing the index if it isn't a + // comma. + // + // Note: the subtlety around trailing commas (in getArgumentCount) does not apply + // here. That's because we're only walking forward until we hit the node we're + // on. In that case, even if we're after the trailing comma, we'll still see + // that trailing comma in the list, and we'll have generated the appropriate + // arg index. + var argumentIndex = 0; + var listChildren = argumentsList.getChildren(); + for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { + var child = listChildren_1[_i]; + if (child === node) { + break; + } + if (child.kind !== 24 /* CommaToken */) { + argumentIndex++; + } + } + return argumentIndex; + } + function getArgumentCount(argumentsList) { + // The argument count for a list is normally the number of non-comma children it has. + // For example, if you have "Foo(a,b)" then there will be three children of the arg + // list 'a' '' 'b'. So, in this case the arg count will be 2. However, there + // is a small subtlety. If you have "Foo(a,)", then the child list will just have + // 'a' ''. So, in the case where the last child is a comma, we increase the + // arg count by one to compensate. + // + // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then + // we'll have: 'a' '' '' + // That will give us 2 non-commas. We then add one for the last comma, givin us an + // arg count of 3. + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24 /* CommaToken */; }); + if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24 /* CommaToken */) { + argumentCount++; + } + return argumentCount; + } + // spanIndex is either the index for a given template span. + // This does not give appropriate results for a NoSubstitutionTemplateLiteral + function getArgumentIndexForTemplatePiece(spanIndex, node) { + // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1. + // There are three cases we can encounter: + // 1. We are precisely in the template literal (argIndex = 0). + // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1). + // 3. We are directly to the right of the template literal, but because we look for the token on the left, + // not enough to put us in the substitution expression; we should consider ourselves part of + // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1). + // + // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # ` + // ^ ^ ^ ^ ^ ^ ^ ^ ^ + // Case: 1 1 3 2 1 3 2 2 1 + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralKind(node.kind)) { + if (ts.isInsideTemplateLiteral(node, position)) { + return 0; + } + return spanIndex + 2; + } + return spanIndex + 1; + } + function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { + // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument. + var argumentCount = tagExpression.template.kind === 11 /* NoSubstitutionTemplateLiteral */ + ? 1 + : tagExpression.template.templateSpans.length + 1; + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: 2 /* TaggedTemplateArguments */, + invocation: tagExpression, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + function getApplicableSpanForArguments(argumentsList) { + // We use full start and skip trivia on the end because we want to include trivia on + // both sides. For example, + // + // foo( /*comment */ a, b, c /*comment*/ ) + // | | + // + // The applicable span is from the first bar to the second bar (inclusive, + // but not including parentheses) + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + // We need to adjust the end position for the case where the template does not have a tail. + // Otherwise, we will not show signature help past the expression. + // For example, + // + // ` ${ 1 + 1 foo(10) + // | | + // + // This is because a Missing node has no width. However, what we actually want is to include trivia + // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail. + if (template.kind === 186 /* TemplateExpression */) { + var lastSpan = ts.lastOrUndefined(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false); + } + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node) { + for (var n = node; n.kind !== 251 /* SourceFile */; n = n.parent) { + if (ts.isFunctionBlock(n)) { + return undefined; + } + // If the node is not a subspan of its parent, this is a big problem. + // There have been crashes that might be caused by this violation. + if (n.pos < n.parent.pos || n.end > n.parent.end) { + ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); + } + var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); + if (argumentInfo_1) { + return argumentInfo_1; + } + } + return undefined; + } + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + /** + * The selectedItemIndex could be negative for several reasons. + * 1. There are too many arguments for all of the overloads + * 2. None of the overloads were type compatible + * The solution here is to try to pick the best overload by picking + * either the first one that has an appropriate number of parameters, + * or the one with the most parameters. + */ + function selectBestInvalidOverloadIndex(candidates, argumentCount) { + var maxParamsSignatureIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { + return i; + } + if (candidate.parameters.length > maxParams) { + maxParams = candidate.parameters.length; + maxParamsSignatureIndex = i; + } + } + return maxParamsSignatureIndex; + } + function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { + var applicableSpan = argumentListInfo.argumentsSpan; + var isTypeParameterList = argumentListInfo.kind === 0 /* TypeArguments */; + var invocation = argumentListInfo.invocation; + var callTarget = ts.getInvokedExpression(invocation); + var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); + var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, /*enclosingDeclaration*/ undefined, /*meaning*/ undefined); + var items = ts.map(candidates, function (candidateSignature) { + var signatureHelpParameters; + var prefixDisplayParts = []; + var suffixDisplayParts = []; + if (callTargetDisplayParts) { + ts.addRange(prefixDisplayParts, callTargetDisplayParts); + } + if (isTypeParameterList) { + prefixDisplayParts.push(ts.punctuationPart(25 /* LessThanToken */)); + var typeParameters = candidateSignature.typeParameters; + signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(27 /* GreaterThanToken */)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); + }); + ts.addRange(suffixDisplayParts, parameterParts); + } + else { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); + }); + ts.addRange(prefixDisplayParts, typeParameterParts); + prefixDisplayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + var parameters = candidateSignature.parameters; + signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + var returnTypeParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); + }); + ts.addRange(suffixDisplayParts, returnTypeParts); + return { + isVariadic: candidateSignature.hasRestParameter, + prefixDisplayParts: prefixDisplayParts, + suffixDisplayParts: suffixDisplayParts, + separatorDisplayParts: [ts.punctuationPart(24 /* CommaToken */), ts.spacePart()], + parameters: signatureHelpParameters, + documentation: candidateSignature.getDocumentationComment() + }; + }); + var argumentIndex = argumentListInfo.argumentIndex; + // argumentCount is the *apparent* number of arguments. + var argumentCount = argumentListInfo.argumentCount; + var selectedItemIndex = candidates.indexOf(bestSignature); + if (selectedItemIndex < 0) { + selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); + } + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + items: items, + applicableSpan: applicableSpan, + selectedItemIndex: selectedItemIndex, + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + function createSignatureHelpParameterForParameter(parameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); + }); + return { + name: parameter.name, + documentation: parameter.getDocumentationComment(), + displayParts: displayParts, + isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) + }; + } + function createSignatureHelpParameterForTypeParameter(typeParameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); + }); + return { + name: typeParameter.symbol.name, + documentation: emptyArray, + displayParts: displayParts, + isOptional: false + }; + } + } + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); +})(ts || (ts = {})); +// These utilities are common to multiple language service features. +/* @internal */ +var ts; +(function (ts) { + function getEndLinePosition(line, sourceFile) { + ts.Debug.assert(line >= 0); + var lineStarts = sourceFile.getLineStarts(); + var lineIndex = line; + if (lineIndex + 1 === lineStarts.length) { + // last line - return EOF + return sourceFile.text.length - 1; + } + else { + // current line start + var start = lineStarts[lineIndex]; + // take the start position of the next line -1 = it should be some line break + var pos = lineStarts[lineIndex + 1] - 1; + ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); + // walk backwards skipping line breaks, stop the the beginning of current line. + // i.e: + // + // $ <- end of line for this position should match the start position + while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos--; + } + return pos; + } + } + ts.getEndLinePosition = getEndLinePosition; + function getLineStartPositionForPosition(position, sourceFile) { + var lineStarts = sourceFile.getLineStarts(); + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + return lineStarts[line]; + } + ts.getLineStartPositionForPosition = getLineStartPositionForPosition; + function rangeContainsRange(r1, r2) { + return startEndContainsRange(r1.pos, r1.end, r2); + } + ts.rangeContainsRange = rangeContainsRange; + function startEndContainsRange(start, end, range) { + return start <= range.pos && end >= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + function positionBelongsToNode(candidate, position, sourceFile) { + return candidate.end > position || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 164 /* ObjectBindingPattern */: + case 156 /* TypeLiteral */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + case 223 /* CaseBlock */: + return nodeEndsWith(n, 16 /* CloseBraceToken */, sourceFile); + case 247 /* CatchClause */: + return isCompletedNode(n.block, sourceFile); + case 172 /* NewExpression */: + if (!n.arguments) { + return true; + } + // fall through + case 171 /* CallExpression */: + case 175 /* ParenthesizedExpression */: + case 161 /* ParenthesizedType */: + return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return isCompletedNode(n.type, sourceFile); + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 177 /* ArrowFunction */: + if (n.body) { + return isCompletedNode(n.body, sourceFile); + } + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + // Even though type parameters can be unclosed, we can get away with + // having at least a closing paren. + return hasChildOfKind(n, 18 /* CloseParenToken */, sourceFile); + case 221 /* ModuleDeclaration */: + return n.body && isCompletedNode(n.body, sourceFile); + case 199 /* IfStatement */: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); + } + return isCompletedNode(n.thenStatement, sourceFile); + case 198 /* ExpressionStatement */: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 23 /* SemicolonToken */); + case 167 /* ArrayLiteralExpression */: + case 165 /* ArrayBindingPattern */: + case 170 /* ElementAccessExpression */: + case 137 /* ComputedPropertyName */: + case 158 /* TupleType */: + return nodeEndsWith(n, 20 /* CloseBracketToken */, sourceFile); + case 150 /* IndexSignature */: + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + return hasChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicitly always consider them non-completed + return false; + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + return isCompletedNode(n.statement, sourceFile); + case 200 /* DoStatement */: + // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')'; + var hasWhileKeyword = findChildOfKind(n, 104 /* WhileKeyword */, sourceFile); + if (hasWhileKeyword) { + return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); + } + return isCompletedNode(n.statement, sourceFile); + case 155 /* TypeQuery */: + return isCompletedNode(n.exprName, sourceFile); + case 179 /* TypeOfExpression */: + case 178 /* DeleteExpression */: + case 180 /* VoidExpression */: + case 187 /* YieldExpression */: + case 188 /* SpreadElementExpression */: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 173 /* TaggedTemplateExpression */: + return isCompletedNode(n.template, sourceFile); + case 186 /* TemplateExpression */: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 193 /* TemplateSpan */: + return ts.nodeIsPresent(n.literal); + case 182 /* PrefixUnaryExpression */: + return isCompletedNode(n.operand, sourceFile); + case 184 /* BinaryExpression */: + return isCompletedNode(n.right, sourceFile); + case 185 /* ConditionalExpression */: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; + } + } + ts.isCompletedNode = isCompletedNode; + /* + * Checks if node ends with 'expectedLastToken'. + * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'. + */ + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var last = ts.lastOrUndefined(children); + if (last.kind === expectedLastToken) { + return true; + } + else if (last.kind === 23 /* SemicolonToken */ && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; + } + } + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + // It is possible at this point for syntaxList to be undefined, either if + // node.parent had no list child, or if none of its list children contained + // the span of node. If this happens, return undefined. The caller should + // handle this case. + if (!list) { + return undefined; + } + var children = list.getChildren(); + var listItemIndex = ts.indexOf(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will + // be parented by the container of the SyntaxList, not the SyntaxList itself. + // In order to find the list item index, we first need to locate SyntaxList itself and then search + // for the position of the relevant node (or comma). + var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { + // find syntax list that covers the span of the node + if (c.kind === 274 /* SyntaxList */ && c.pos <= node.pos && c.end >= node.end) { + return c; + } + }); + // Either we didn't find an appropriate list, or the list must contain us. + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + /* Gets the token whose text has range [start, end) and + * position >= start and (position < end or (position === end && token is keyword or identifier)) + */ + function getTouchingWord(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); + } + ts.getTouchingWord = getTouchingWord; + /* Gets the token whose text has range [start, end) and position >= start + * and (position < end or (position === end && token is keyword or identifier or numeric\string litera)) + */ + function getTouchingPropertyName(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + /** Returns the token if position is in [start, end) or if position === end and includeItemAtEndPosition(token) === true */ + function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includeItemAtEndPosition); + } + ts.getTouchingToken = getTouchingToken; + /** Returns a token if position is in [start-of-leading-trivia, end) */ + function getTokenAtPosition(sourceFile, position) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includeItemAtEndPosition*/ undefined); + } + ts.getTokenAtPosition = getTokenAtPosition; + /** Get the token whose text contains the position */ + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { + var current = sourceFile; + outer: while (true) { + if (isToken(current)) { + // exit early + return current; + } + // find the child that contains 'position' + for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { + var child = current.getChildAt(i); + var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); + if (start <= position) { + var end = child.getEnd(); + if (position < end || (position === end && child.kind === 1 /* EndOfFileToken */)) { + current = child; + continue outer; + } + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, child); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; + } + } + } + } + return current; + } + } + /** + * The token on the left of the position is the token that strictly includes the position + * or sits to the left of the cursor if it is on a boundary. For example + * + * fo|o -> will return foo + * foo |bar -> will return foo + * + */ + function findTokenOnLeftOfPosition(file, position) { + // Ideally, getTokenAtPosition should return a token. However, it is currently + // broken, so we do a check to make sure the result was indeed a token. + var tokenAtPosition = getTokenAtPosition(file, position); + if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; + } + return findPrecedingToken(position, file); + } + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent) { + return find(parent); + function find(n) { + if (isToken(n) && n.pos === previousToken.end) { + // this is token that starts at the end of previous token - return it + return n; + } + var children = n.getChildren(); + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + var shouldDiveInChildNode = + // previous token is enclosed somewhere in the child + (child.pos <= previousToken.pos && child.end > previousToken.end) || + // previous token ends exactly at the beginning of child + (child.pos === previousToken.end); + if (shouldDiveInChildNode && nodeHasTokens(child)) { + return find(child); + } + } + return undefined; + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode) { + return find(startNode || sourceFile); + function findRightmostToken(n) { + if (isToken(n) || n.kind === 239 /* JsxText */) { + return n; + } + var children = n.getChildren(); + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); + return candidate && findRightmostToken(candidate); + } + function find(n) { + if (isToken(n) || n.kind === 239 /* JsxText */) { + return n; + } + var children = n.getChildren(); + for (var i = 0, len = children.length; i < len; i++) { + var child = children[i]; + // condition 'position < child.end' checks if child node end after the position + // in the example below this condition will be false for 'aaaa' and 'bbbb' and true for 'ccc' + // aaaa___bbbb___$__ccc + // after we found child node with end after the position we check if start of the node is after the position. + // if yes - then position is in the trivia and we need to look into the previous child to find the token in question. + // if no - position is in the node itself so we should recurse in it. + // NOTE: JsxText is a weird kind of node that can contain only whitespaces (since they are not counted as trivia). + // if this is the case - then we should assume that token in question is located in previous child. + if (position < child.end && (nodeHasTokens(child) || child.kind === 239 /* JsxText */)) { + var start = child.getStart(sourceFile); + var lookInPreviousChild = (start >= position) || + (child.kind === 239 /* JsxText */ && start === child.end); // whitespace only JsxText + if (lookInPreviousChild) { + // actual start of the node is past the position - previous token should be at the end of previous child + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i); + return candidate && findRightmostToken(candidate); + } + else { + // candidate should be in this node + return find(child); + } + } + } + ts.Debug.assert(startNode !== undefined || n.kind === 251 /* SourceFile */); + // Here we know that none of child token nodes embrace the position, + // the only known case is when position is at the end of the file. + // Try to find the rightmost token in the file without filtering. + // Namely we are skipping the check: 'position < node.end' + if (children.length) { + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); + return candidate && findRightmostToken(candidate); + } + } + /// finds last node that is considered as candidate for search (isCandidate(node) === true) starting from 'exclusiveStartPosition' + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { + for (var i = exclusiveStartPosition - 1; i >= 0; --i) { + if (nodeHasTokens(children[i])) { + return children[i]; + } + } + } + } + ts.findPrecedingToken = findPrecedingToken; + function isInString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return token && (token.kind === 9 /* StringLiteral */ || token.kind === 163 /* StringLiteralType */) && position > token.getStart(); + } + ts.isInString = isInString; + function isInComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, /*predicate*/ undefined); + } + ts.isInComment = isInComment; + /** + * Returns true if the cursor at position in sourceFile is within a comment that additionally + * satisfies predicate, and false otherwise. + */ + function isInCommentHelper(sourceFile, position, predicate) { + var token = getTokenAtPosition(sourceFile, position); + if (token && position <= token.getStart()) { + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + // The end marker of a single-line comment does not include the newline character. + // In the following case, we are inside a comment (^ denotes the cursor position): + // + // // asdf ^\n + // + // But for multi-line comments, we don't want to be inside the comment in the following case: + // + // /* asdf */^ + // + // Internally, we represent the end of the comment at the newline and closing '/', respectively. + return predicate ? + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end) && + predicate(c); }) : + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end); }); + } + return false; + } + ts.isInCommentHelper = isInCommentHelper; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + // First, we have to see if this position actually landed in a comment. + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return ts.forEach(commentRanges, jsDocPrefix); + function jsDocPrefix(c) { + var text = sourceFile.text; + return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; + } + } + ts.hasDocComment = hasDocComment; + /** + * Get the corresponding JSDocTag node if the position is in a jsDoc comment + */ + function getJsDocTagAtPosition(sourceFile, position) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (isToken(node)) { + switch (node.kind) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + // if the current token is var, let or const, skip the VariableDeclarationList + node = node.parent === undefined ? undefined : node.parent.parent; + break; + default: + node = node.parent; + break; + } + } + if (node) { + var jsDocComment = node.jsDocComment; + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos <= position && position <= tag.end) { + return tag; + } + } + } + } + return undefined; + } + ts.getJsDocTagAtPosition = getJsDocTagAtPosition; + function nodeHasTokens(n) { + // If we have a token or node that has a non-zero width, it must have tokens. + // Note, that getWidth() does not take trivia into account. + return n.getWidth() !== 0; + } + function getNodeModifiers(node) { + var flags = ts.getCombinedNodeFlags(node); + var result = []; + if (flags & 16 /* Private */) + result.push(ts.ScriptElementKindModifier.privateMemberModifier); + if (flags & 32 /* Protected */) + result.push(ts.ScriptElementKindModifier.protectedMemberModifier); + if (flags & 8 /* Public */) + result.push(ts.ScriptElementKindModifier.publicMemberModifier); + if (flags & 64 /* Static */) + result.push(ts.ScriptElementKindModifier.staticModifier); + if (flags & 128 /* Abstract */) + result.push(ts.ScriptElementKindModifier.abstractModifier); + if (flags & 2 /* Export */) + result.push(ts.ScriptElementKindModifier.exportedModifier); + if (ts.isInAmbientContext(node)) + result.push(ts.ScriptElementKindModifier.ambientModifier); + return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 152 /* TypeReference */ || node.kind === 171 /* CallExpression */) { + return node.typeArguments; + } + if (ts.isFunctionLike(node) || node.kind === 217 /* ClassDeclaration */ || node.kind === 218 /* InterfaceDeclaration */) { + return node.typeParameters; + } + return undefined; + } + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isToken(n) { + return n.kind >= 0 /* FirstToken */ && n.kind <= 135 /* LastToken */; + } + ts.isToken = isToken; + function isWord(kind) { + return kind === 69 /* Identifier */ || ts.isKeyword(kind); + } + ts.isWord = isWord; + function isPropertyName(kind) { + return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */ || isWord(kind); + } + function isComment(kind) { + return kind === 2 /* SingleLineCommentTrivia */ || kind === 3 /* MultiLineCommentTrivia */; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 9 /* StringLiteral */ + || kind === 163 /* StringLiteralType */ + || kind === 10 /* RegularExpressionLiteral */ + || ts.isTemplateLiteralKind(kind)) { + return true; + } + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 15 /* FirstPunctuation */ <= kind && kind <= 68 /* LastPunctuation */; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function compareDataObjects(dst, src) { + for (var e in dst) { + if (typeof dst[e] === "object") { + if (!compareDataObjects(dst[e], src[e])) { + return false; + } + } + else if (typeof dst[e] !== "function") { + if (dst[e] !== src[e]) { + return false; + } + } + } + return true; + } + ts.compareDataObjects = compareDataObjects; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 167 /* ArrayLiteralExpression */ || + node.kind === 168 /* ObjectLiteralExpression */) { + // [a,b,c] from: + // [a, b, c] = someExpression; + if (node.parent.kind === 184 /* BinaryExpression */ && + node.parent.left === node && + node.parent.operatorToken.kind === 56 /* EqualsToken */) { + return true; + } + // [a, b, c] from: + // for([a, b, c] of expression) + if (node.parent.kind === 204 /* ForOfStatement */ && + node.parent.initializer === node) { + return true; + } + // [a, b, c] of + // [x, [a, b, c] ] = someExpression + // or + // {x, a: {a, b, c} } = someExpression + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 /* PropertyAssignment */ ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; +})(ts || (ts = {})); +// Display-part writer helpers +/* @internal */ +var ts; +(function (ts) { + function isFirstDeclarationOfSymbolParameter(symbol) { + return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139 /* Parameter */; + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var displayParts; + var lineStart; + var indent; + resetWriter(); + return { + displayParts: function () { return displayParts; }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + function writeIndent() { + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + } + lineStart = false; + } + } + function writeKind(text, kind) { + writeIndent(); + displayParts.push(displayPart(text, kind)); + } + function writeSymbol(text, symbol) { + writeIndent(); + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol), symbol); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3 /* Variable */) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; + } + else if (flags & 4 /* Property */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 32768 /* GetAccessor */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 65536 /* SetAccessor */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 8 /* EnumMember */) { + return ts.SymbolDisplayPartKind.enumMemberName; + } + else if (flags & 16 /* Function */) { + return ts.SymbolDisplayPartKind.functionName; + } + else if (flags & 32 /* Class */) { + return ts.SymbolDisplayPartKind.className; + } + else if (flags & 64 /* Interface */) { + return ts.SymbolDisplayPartKind.interfaceName; + } + else if (flags & 384 /* Enum */) { + return ts.SymbolDisplayPartKind.enumName; + } + else if (flags & 1536 /* Module */) { + return ts.SymbolDisplayPartKind.moduleName; + } + else if (flags & 8192 /* Method */) { + return ts.SymbolDisplayPartKind.methodName; + } + else if (flags & 262144 /* TypeParameter */) { + return ts.SymbolDisplayPartKind.typeParameterName; + } + else if (flags & 524288 /* TypeAlias */) { + return ts.SymbolDisplayPartKind.aliasName; + } + else if (flags & 8388608 /* Alias */) { + return ts.SymbolDisplayPartKind.aliasName; + } + return ts.SymbolDisplayPartKind.text; + } + } + ts.symbolPart = symbolPart; + function displayPart(text, kind, symbol) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[kind] + }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + var carriageReturnLineFeed = "\r\n"; + /** + * The default is CRLF. + */ + function getNewLineOrDefaultFromHost(host) { + return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + writeDisplayParts(displayPartWriter); + var result = displayPartWriter.displayParts(); + displayPartWriter.clear(); + return result; + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + return mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function getDeclaredName(typeChecker, symbol, location) { + // If this is an export or import specifier it could have been renamed using the 'as' syntax. + // If so we want to search for whatever is under the cursor. + if (isImportOrExportSpecifierName(location)) { + return location.getText(); + } + // Try to get the local symbol if we're dealing with an 'export default' + // since that symbol has the "true" name. + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); + return name; + } + ts.getDeclaredName = getDeclaredName; + function isImportOrExportSpecifierName(location) { + return location.parent && + (location.parent.kind === 229 /* ImportSpecifier */ || location.parent.kind === 233 /* ExportSpecifier */) && + location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + /** + * Strip off existed single quotes or double quotes from a given string + * + * @return non-quoted string + */ + function stripQuotes(name) { + var length = name.length; + if (length >= 2 && + name.charCodeAt(0) === name.charCodeAt(length - 1) && + (name.charCodeAt(0) === 34 /* doubleQuote */ || name.charCodeAt(0) === 39 /* singleQuote */)) { + return name.substring(1, length - 1); + } + ; + return name; + } + ts.stripQuotes = stripQuotes; +})(ts || (ts = {})); +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var standardScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */); + var jsxScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 1 /* JSX */); + /** + * Scanner that is currently used for formatting + */ + var scanner; + var ScanAction; + (function (ScanAction) { + ScanAction[ScanAction["Scan"] = 0] = "Scan"; + ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; + ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; + ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; + ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; + })(ScanAction || (ScanAction = {})); + function getFormattingScanner(sourceFile, startPos, endPos) { + ts.Debug.assert(scanner === undefined); + scanner = sourceFile.languageVariant === 1 /* JSX */ ? jsxScanner : standardScanner; + scanner.setText(sourceFile.text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + return { + advance: advance, + readTokenInfo: readTokenInfo, + isOnToken: isOnToken, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + close: function () { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + scanner.setText(undefined); + scanner = undefined; + } + }; + function advance() { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + if (trailingTrivia) { + ts.Debug.assert(trailingTrivia.length !== 0); + wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4 /* NewLineTrivia */; + } + else { + wasNewLine = false; + } + } + leadingTrivia = undefined; + trailingTrivia = undefined; + if (!isStarted) { + scanner.scan(); + } + var t; + var pos = scanner.getStartPos(); + // Read leading trivia and token + while (pos < endPos) { + var t_1 = scanner.getToken(); + if (!ts.isTrivia(t_1)) { + break; + } + // consume leading trivia + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t_1 + }; + pos = scanner.getStartPos(); + if (!leadingTrivia) { + leadingTrivia = []; + } + leadingTrivia.push(item); + } + savedPos = scanner.getStartPos(); + } + function shouldRescanGreaterThanToken(node) { + if (node) { + switch (node.kind) { + case 29 /* GreaterThanEqualsToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + return true; + } + } + return false; + } + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 241 /* JsxAttribute */: + case 238 /* JsxOpeningElement */: + case 240 /* JsxClosingElement */: + case 237 /* JsxSelfClosingElement */: + return node.kind === 69 /* Identifier */; + } + } + return false; + } + function shouldRescanSlashToken(container) { + return container.kind === 10 /* RegularExpressionLiteral */; + } + function shouldRescanTemplateToken(container) { + return container.kind === 13 /* TemplateMiddle */ || + container.kind === 14 /* TemplateTail */; + } + function startsWithSlashToken(t) { + return t === 39 /* SlashToken */ || t === 61 /* SlashEqualsToken */; + } + function readTokenInfo(n) { + ts.Debug.assert(scanner !== undefined); + if (!isOnToken()) { + // scanner is not on the token (either advance was not called yet or scanner is already past the end position) + return { + leadingTrivia: leadingTrivia, + trailingTrivia: undefined, + token: undefined + }; + } + // normally scanner returns the smallest available token + // check the kind of context node to determine if scanner should have more greedy behavior and consume more text. + var expectedScanAction = shouldRescanGreaterThanToken(n) + ? 1 /* RescanGreaterThanToken */ + : shouldRescanSlashToken(n) + ? 2 /* RescanSlashToken */ + : shouldRescanTemplateToken(n) + ? 3 /* RescanTemplateToken */ + : shouldRescanJsxIdentifier(n) + ? 4 /* RescanJsxIdentifier */ + : 0 /* Scan */; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + // readTokenInfo was called before with the same expected scan action. + // No need to re-scan text, return existing 'lastTokenInfo' + // it is ok to call fixTokenKind here since it does not affect + // what portion of text is consumed. In opposize rescanning can change it, + // i.e. for '>=' when originally scanner eats just one character + // and rescanning forces it to consume more. + return fixTokenKind(lastTokenInfo, n); + } + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + // readTokenInfo was called before but scan action differs - rescan text + scanner.setTextPos(savedPos); + scanner.scan(); + } + var currentToken = scanner.getToken(); + if (expectedScanAction === 1 /* RescanGreaterThanToken */ && currentToken === 27 /* GreaterThanToken */) { + currentToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 1 /* RescanGreaterThanToken */; + } + else if (expectedScanAction === 2 /* RescanSlashToken */ && startsWithSlashToken(currentToken)) { + currentToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 2 /* RescanSlashToken */; + } + else if (expectedScanAction === 3 /* RescanTemplateToken */ && currentToken === 16 /* CloseBraceToken */) { + currentToken = scanner.reScanTemplateToken(); + lastScanAction = 3 /* RescanTemplateToken */; + } + else if (expectedScanAction === 4 /* RescanJsxIdentifier */ && currentToken === 69 /* Identifier */) { + currentToken = scanner.scanJsxIdentifier(); + lastScanAction = 4 /* RescanJsxIdentifier */; + } + else { + lastScanAction = 0 /* Scan */; + } + var token = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + // consume trailing trivia + if (trailingTrivia) { + trailingTrivia = undefined; + } + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4 /* NewLineTrivia */) { + // move past new line + scanner.scan(); + break; + } + } + lastTokenInfo = { + leadingTrivia: leadingTrivia, + trailingTrivia: trailingTrivia, + token: token + }; + return fixTokenKind(lastTokenInfo, n); + } + function isOnToken() { + ts.Debug.assert(scanner !== undefined); + var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); + var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); + return startPos < endPos && current !== 1 /* EndOfFileToken */ && !ts.isTrivia(current); + } + // when containing node in the tree is token + // but its kind differs from the kind that was returned by the scanner, + // then kind needs to be fixed. This might happen in cases + // when parser interprets token differently, i.e keyword treated as identifier + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + } + formatting.getFormattingScanner = getFormattingScanner; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var FormattingContext = (function () { + function FormattingContext(sourceFile, formattingRequestKind) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; + } + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); + ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); + ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); + ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); + ts.Debug.assert(commonParent !== undefined, "commonParent is null"); + this.currentTokenSpan = currentRange; + this.currentTokenParent = currentTokenParent; + this.nextTokenSpan = nextRange; + this.nextTokenParent = nextTokenParent; + this.contextNode = commonParent; + // drop cached results + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; + }; + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + return this.contextNodeAllOnSameLine; + }; + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); + } + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + } + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 15 /* OpenBraceToken */, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 16 /* CloseBraceToken */, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; + } + return false; + }; + return FormattingContext; + }()); + formatting.FormattingContext = FormattingContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (FormattingRequestKind) { + FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; + FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; + FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; + FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; + FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; + })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); + var FormattingRequestKind = formatting.FormattingRequestKind; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rule = (function () { + function Rule(Descriptor, Operation, Flag) { + if (Flag === void 0) { Flag = 0 /* None */; } + this.Descriptor = Descriptor; + this.Operation = Operation; + this.Flag = Flag; + } + Rule.prototype.toString = function () { + return "[desc=" + this.Descriptor + "," + + "operation=" + this.Operation + "," + + "flag=" + this.Flag + "]"; + }; + return Rule; + }()); + formatting.Rule = Rule; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (RuleAction) { + RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; + RuleAction[RuleAction["Space"] = 2] = "Space"; + RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; + RuleAction[RuleAction["Delete"] = 8] = "Delete"; + })(formatting.RuleAction || (formatting.RuleAction = {})); + var RuleAction = formatting.RuleAction; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleDescriptor = (function () { + function RuleDescriptor(LeftTokenRange, RightTokenRange) { + this.LeftTokenRange = LeftTokenRange; + this.RightTokenRange = RightTokenRange; + } + RuleDescriptor.prototype.toString = function () { + return "[leftRange=" + this.LeftTokenRange + "," + + "rightRange=" + this.RightTokenRange + "]"; + }; + RuleDescriptor.create1 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create2 = function (left, right) { + return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create3 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); + }; + RuleDescriptor.create4 = function (left, right) { + return new RuleDescriptor(left, right); + }; + return RuleDescriptor; + }()); + formatting.RuleDescriptor = RuleDescriptor; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (RuleFlags) { + RuleFlags[RuleFlags["None"] = 0] = "None"; + RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; + })(formatting.RuleFlags || (formatting.RuleFlags = {})); + var RuleFlags = formatting.RuleFlags; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperation = (function () { + function RuleOperation() { + this.Context = null; + this.Action = null; + } + RuleOperation.prototype.toString = function () { + return "[context=" + this.Context + "," + + "action=" + this.Action + "]"; + }; + RuleOperation.create1 = function (action) { + return RuleOperation.create2(formatting.RuleOperationContext.Any, action); + }; + RuleOperation.create2 = function (context, action) { + var result = new RuleOperation(); + result.Context = context; + result.Action = action; + return result; + }; + return RuleOperation; + }()); + formatting.RuleOperation = RuleOperation; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperationContext = (function () { + function RuleOperationContext() { + var funcs = []; + for (var _i = 0; _i < arguments.length; _i++) { + funcs[_i - 0] = arguments[_i]; + } + this.customContextChecks = funcs; + } + RuleOperationContext.prototype.IsAny = function () { + return this === RuleOperationContext.Any; + }; + RuleOperationContext.prototype.InContext = function (context) { + if (this.IsAny()) { + return true; + } + for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { + var check = _a[_i]; + if (!check(context)) { + return false; + } + } + return true; + }; + RuleOperationContext.Any = new RuleOperationContext(); + return RuleOperationContext; + }()); + formatting.RuleOperationContext = RuleOperationContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rules = (function () { + function Rules() { + /// + /// Common Rules + /// + // Leave comments alone + this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1 /* Ignore */)); + this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2 /* SingleLineCommentTrivia */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1 /* Ignore */)); + // Space after keyword but not before ; or : or ? + this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54 /* ColonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53 /* QuestionToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54 /* ColonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2 /* Space */)); + this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2 /* Space */)); + this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Space after }. + this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2 /* Space */)); + // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied + this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 80 /* ElseKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 104 /* WhileKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 20 /* CloseBracketToken */, 24 /* CommaToken */, 23 /* SemicolonToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // No space for dot + this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21 /* DotToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21 /* DotToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // No space before and after indexer + this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19 /* OpenBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20 /* CloseBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8 /* Delete */)); + // Place a space before open brace in a function declaration + this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; + this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc) + this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 3 /* MultiLineCommentTrivia */, 73 /* ClassKeyword */]); + this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Place a space before open brace in a control flow construct + this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 3 /* MultiLineCommentTrivia */, 79 /* DoKeyword */, 100 /* TryKeyword */, 85 /* FinallyKeyword */, 80 /* ElseKeyword */]); + this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}. + this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); + this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); + this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8 /* Delete */)); + // Insert new line after { and before } in multi-line contexts. + this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); + // For functions and control block place } on a new line [multi-line rule] + this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); + // Special handling of unary operators. + // Prefix operators generally shouldn't have a space between + // them and their target unary expression. + this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41 /* PlusPlusToken */, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42 /* MinusMinusToken */, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // More unary operator special-casing. + // DevDiv 181814: Be careful when removing leading whitespace + // around unary operators. Examples: + // 1 - -2 --X--> 1--2 + // a + ++b --X--> a+++b + this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41 /* PlusPlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42 /* MinusMinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24 /* CommaToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102 /* VarKeyword */, 98 /* ThrowKeyword */, 92 /* NewKeyword */, 78 /* DeleteKeyword */, 94 /* ReturnKeyword */, 101 /* TypeOfKeyword */, 119 /* AwaitKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108 /* LetKeyword */, 74 /* ConstKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2 /* Space */)); + this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8 /* Delete */)); + this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87 /* FunctionKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8 /* Delete */)); + this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103 /* VoidKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2 /* Space */)); + this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94 /* ReturnKeyword */, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Add a space between statements. All keywords except (do,else,case) has open/close parens after them. + // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any] + this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 79 /* DoKeyword */, 80 /* ElseKeyword */, 71 /* CaseKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2 /* Space */)); + // This low-pri rule takes care of "try {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter. + this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100 /* TryKeyword */, 85 /* FinallyKeyword */]), 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // get x() {} + // set x(val) {} + this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123 /* GetKeyword */, 129 /* SetKeyword */]), 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options. + this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + // TypeScript-specific higher priority rules + // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses + this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121 /* ConstructorKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Use of module as a function call. e.g.: import m2 = module("m2"); + this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125 /* ModuleKeyword */, 127 /* RequireKeyword */]), 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Add a space around certain TypeScript keywords + this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 73 /* ClassKeyword */, 122 /* DeclareKeyword */, 77 /* DefaultKeyword */, 81 /* EnumKeyword */, 82 /* ExportKeyword */, 83 /* ExtendsKeyword */, 123 /* GetKeyword */, 106 /* ImplementsKeyword */, 89 /* ImportKeyword */, 107 /* InterfaceKeyword */, 125 /* ModuleKeyword */, 126 /* NamespaceKeyword */, 110 /* PrivateKeyword */, 112 /* PublicKeyword */, 111 /* ProtectedKeyword */, 129 /* SetKeyword */, 113 /* StaticKeyword */, 132 /* TypeKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83 /* ExtendsKeyword */, 106 /* ImplementsKeyword */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" { + this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9 /* StringLiteral */, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2 /* Space */)); + // Lambda expressions + this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34 /* EqualsGreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34 /* EqualsGreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Optional parameters and let args + this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22 /* DotDotDotToken */, 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + // generics and type assertions + this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18 /* CloseParenToken */, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25 /* LessThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27 /* GreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.FromTokens([17 /* OpenParenToken */, 19 /* OpenBracketToken */, 27 /* GreaterThanToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8 /* Delete */)); + // Remove spaces in empty interface literals. e.g.: x: {} + this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8 /* Delete */)); + // decorators + this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55 /* AtToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55 /* AtToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 69 /* Identifier */, 82 /* ExportKeyword */, 77 /* DefaultKeyword */, 73 /* ClassKeyword */, 113 /* StaticKeyword */, 112 /* PublicKeyword */, 110 /* PrivateKeyword */, 111 /* ProtectedKeyword */, 123 /* GetKeyword */, 129 /* SetKeyword */, 19 /* OpenBracketToken */, 37 /* AsteriskToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2 /* Space */)); + this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8 /* Delete */)); + this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37 /* AsteriskToken */, formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2 /* Space */)); + this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114 /* YieldKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8 /* Delete */)); + this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114 /* YieldKeyword */, 37 /* AsteriskToken */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2 /* Space */)); + // Async-await + this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 87 /* FunctionKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // template string + this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69 /* Identifier */, formatting.Shared.TokenRange.FromTokens([11 /* NoSubstitutionTemplateLiteral */, 12 /* TemplateHead */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // These rules are higher in priority than user-configurable rules. + this.HighPriorityCommonRules = [ + this.IgnoreBeforeComment, this.IgnoreAfterLineComment, + this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, + this.NoSpaceAfterQuestionMark, + this.NoSpaceBeforeDot, this.NoSpaceAfterDot, + this.NoSpaceAfterUnaryPrefixOperator, + this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, + this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, + this.SpaceAfterPostincrementWhenFollowedByAdd, + this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, + this.SpaceAfterPostdecrementWhenFollowedBySubtract, + this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, + this.NoSpaceAfterCloseBrace, + this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, + this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, + this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, + this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, + this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, + this.NoSpaceBetweenReturnAndSemicolon, + this.SpaceAfterCertainKeywords, + this.SpaceAfterLetConstInVariableDeclaration, + this.NoSpaceBeforeOpenParenInFuncCall, + this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, + this.SpaceAfterVoidOperator, + this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, + this.NoSpaceBetweenTagAndTemplateString, + // TypeScript-specific rules + this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, + this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, + this.SpaceAfterModuleName, + this.SpaceBeforeArrow, this.SpaceAfterArrow, + this.NoSpaceAfterEllipsis, + this.NoSpaceAfterOptionalParameters, + this.NoSpaceBetweenEmptyInterfaceBraceBrackets, + this.NoSpaceBeforeOpenAngularBracket, + this.NoSpaceBetweenCloseParenAndAngularBracket, + this.NoSpaceAfterOpenAngularBracket, + this.NoSpaceBeforeCloseAngularBracket, + this.NoSpaceAfterCloseAngularBracket, + this.NoSpaceAfterTypeAssertion, + this.SpaceBeforeAt, + this.NoSpaceAfterAt, + this.SpaceAfterDecorator, + ]; + // These rules are lower in priority than user-configurable rules. + this.LowPriorityCommonRules = [ + this.NoSpaceBeforeSemicolon, + this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, + this.NoSpaceBeforeComma, + this.NoSpaceBeforeOpenBracket, + this.NoSpaceAfterCloseBracket, + this.SpaceAfterSemicolon, + this.NoSpaceBeforeOpenParenInFuncDecl, + this.SpaceBetweenStatements, this.SpaceAfterTryFinally + ]; + /// + /// Rules controlled by user options + /// + // Insert space after comma delimiter + this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2 /* Space */)); + this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space before and after binary operators + this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); + this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); + // Insert space after keywords in control flow statements + this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2 /* Space */)); + this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8 /* Delete */)); + // Open Brace braces after function + //TypeScript: Function can have return types, which can be made of tons of different token kinds + this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Open Brace braces after TypeScript module/class/interface + this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Open Brace braces after control block + this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Insert space after semicolon in for statement + this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2 /* Space */)); + this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8 /* Delete */)); + // Insert space after opening and before closing nonempty parenthesis + this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17 /* OpenParenToken */, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space after opening and before closing nonempty brackets + this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19 /* OpenBracketToken */, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space after opening and before closing template string braces + this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Insert space after function keyword for anonymous functions + this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8 /* Delete */)); + } + Rules.prototype.getRuleName = function (rule) { + var o = this; + for (var name_34 in o) { + if (o[name_34] === rule) { + return name_34; + } + } + throw new Error("Unknown rule"); + }; + /// + /// Contexts + /// + Rules.IsForContext = function (context) { + return context.contextNode.kind === 202 /* ForStatement */; + }; + Rules.IsNotForContext = function (context) { + return !Rules.IsForContext(context); + }; + Rules.IsBinaryOpContext = function (context) { + switch (context.contextNode.kind) { + case 184 /* BinaryExpression */: + case 185 /* ConditionalExpression */: + case 192 /* AsExpression */: + case 151 /* TypePredicate */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return true; + // equals in binding elements: function foo([[x, y] = [1, 2]]) + case 166 /* BindingElement */: + // equals in type X = ... + case 219 /* TypeAliasDeclaration */: + // equal in import a = module('a'); + case 224 /* ImportEqualsDeclaration */: + // equal in let a = 0; + case 214 /* VariableDeclaration */: + // equal in p = 0; + case 139 /* Parameter */: + case 250 /* EnumMember */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return context.currentTokenSpan.kind === 56 /* EqualsToken */ || context.nextTokenSpan.kind === 56 /* EqualsToken */; + // "in" keyword in for (let x in []) { } + case 203 /* ForInStatement */: + return context.currentTokenSpan.kind === 90 /* InKeyword */ || context.nextTokenSpan.kind === 90 /* InKeyword */; + // Technically, "of" is not a binary operator, but format it the same way as "in" + case 204 /* ForOfStatement */: + return context.currentTokenSpan.kind === 135 /* OfKeyword */ || context.nextTokenSpan.kind === 135 /* OfKeyword */; + } + return false; + }; + Rules.IsNotBinaryOpContext = function (context) { + return !Rules.IsBinaryOpContext(context); + }; + Rules.IsConditionalOperatorContext = function (context) { + return context.contextNode.kind === 185 /* ConditionalExpression */; + }; + Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { + //// This check is mainly used inside SpaceBeforeOpenBraceInControl and SpaceBeforeOpenBraceInFunction. + //// + //// Ex: + //// if (1) { .... + //// * ) and { are on the same line so apply the rule. Here we don't care whether it's same or multi block context + //// + //// Ex: + //// if (1) + //// { ... } + //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we don't format. + //// + //// Ex: + //// if (1) + //// { ... + //// } + //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we format. + return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); + }; + // This check is done before an open brace in a control construct, a function, or a typescript block declaration + Rules.IsBeforeMultilineBlockContext = function (context) { + return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + }; + Rules.IsMultilineBlockContext = function (context) { + return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsSingleLineBlockContext = function (context) { + return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.contextNode); + }; + Rules.IsBeforeBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.nextTokenParent); + }; + // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children + Rules.NodeIsBlockContext = function (node) { + if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { + // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc). + return true; + } + switch (node.kind) { + case 195 /* Block */: + case 223 /* CaseBlock */: + case 168 /* ObjectLiteralExpression */: + case 222 /* ModuleBlock */: + return true; + } + return false; + }; + Rules.IsFunctionDeclContext = function (context) { + switch (context.contextNode.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + //case SyntaxKind.MemberFunctionDeclaration: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + ///case SyntaxKind.MethodSignature: + case 148 /* CallSignature */: + case 176 /* FunctionExpression */: + case 145 /* Constructor */: + case 177 /* ArrowFunction */: + //case SyntaxKind.ConstructorDeclaration: + //case SyntaxKind.SimpleArrowFunctionExpression: + //case SyntaxKind.ParenthesizedArrowFunctionExpression: + case 218 /* InterfaceDeclaration */: + return true; + } + return false; + }; + Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { + return context.contextNode.kind === 216 /* FunctionDeclaration */ || context.contextNode.kind === 176 /* FunctionExpression */; + }; + Rules.IsTypeScriptDeclWithBlockContext = function (context) { + return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); + }; + Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 156 /* TypeLiteral */: + case 221 /* ModuleDeclaration */: + return true; + } + return false; + }; + Rules.IsAfterCodeBlockContext = function (context) { + switch (context.currentTokenParent.kind) { + case 217 /* ClassDeclaration */: + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + case 195 /* Block */: + case 247 /* CatchClause */: + case 222 /* ModuleBlock */: + case 209 /* SwitchStatement */: + return true; + } + return false; + }; + Rules.IsControlDeclContext = function (context) { + switch (context.contextNode.kind) { + case 199 /* IfStatement */: + case 209 /* SwitchStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + case 212 /* TryStatement */: + case 200 /* DoStatement */: + case 208 /* WithStatement */: + // TODO + // case SyntaxKind.ElseClause: + case 247 /* CatchClause */: + return true; + default: + return false; + } + }; + Rules.IsObjectContext = function (context) { + return context.contextNode.kind === 168 /* ObjectLiteralExpression */; + }; + Rules.IsFunctionCallContext = function (context) { + return context.contextNode.kind === 171 /* CallExpression */; + }; + Rules.IsNewContext = function (context) { + return context.contextNode.kind === 172 /* NewExpression */; + }; + Rules.IsFunctionCallOrNewContext = function (context) { + return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); + }; + Rules.IsPreviousTokenNotComma = function (context) { + return context.currentTokenSpan.kind !== 24 /* CommaToken */; + }; + Rules.IsNextTokenNotCloseBracket = function (context) { + return context.nextTokenSpan.kind !== 20 /* CloseBracketToken */; + }; + Rules.IsArrowFunctionContext = function (context) { + return context.contextNode.kind === 177 /* ArrowFunction */; + }; + Rules.IsSameLineTokenContext = function (context) { + return context.TokensAreOnSameLine(); + }; + Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { + return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); + }; + Rules.IsEndOfDecoratorContextOnSameLine = function (context) { + return context.TokensAreOnSameLine() && + context.contextNode.decorators && + Rules.NodeIsInDecoratorContext(context.currentTokenParent) && + !Rules.NodeIsInDecoratorContext(context.nextTokenParent); + }; + Rules.NodeIsInDecoratorContext = function (node) { + while (ts.isExpression(node)) { + node = node.parent; + } + return node.kind === 140 /* Decorator */; + }; + Rules.IsStartOfVariableDeclarationList = function (context) { + return context.currentTokenParent.kind === 215 /* VariableDeclarationList */ && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + }; + Rules.IsNotFormatOnEnter = function (context) { + return context.formattingRequestKind !== 2 /* FormatOnEnter */; + }; + Rules.IsModuleDeclContext = function (context) { + return context.contextNode.kind === 221 /* ModuleDeclaration */; + }; + Rules.IsObjectTypeContext = function (context) { + return context.contextNode.kind === 156 /* TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration; + }; + Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { + if (token.kind !== 25 /* LessThanToken */ && token.kind !== 27 /* GreaterThanToken */) { + return false; + } + switch (parent.kind) { + case 152 /* TypeReference */: + case 174 /* TypeAssertionExpression */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 191 /* ExpressionWithTypeArguments */: + return true; + default: + return false; + } + }; + Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { + return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + }; + Rules.IsTypeAssertionContext = function (context) { + return context.contextNode.kind === 174 /* TypeAssertionExpression */; + }; + Rules.IsVoidOpContext = function (context) { + return context.currentTokenSpan.kind === 103 /* VoidKeyword */ && context.currentTokenParent.kind === 180 /* VoidExpression */; + }; + Rules.IsYieldOrYieldStarWithOperand = function (context) { + return context.contextNode.kind === 187 /* YieldExpression */ && context.contextNode.expression !== undefined; + }; + return Rules; + }()); + formatting.Rules = Rules; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesMap = (function () { + function RulesMap() { + this.map = []; + this.mapRowLength = 0; + } + RulesMap.create = function (rules) { + var result = new RulesMap(); + result.Initialize(rules); + return result; + }; + RulesMap.prototype.Initialize = function (rules) { + this.mapRowLength = 135 /* LastToken */ + 1; + this.map = new Array(this.mapRowLength * this.mapRowLength); //new Array(this.mapRowLength * this.mapRowLength); + // This array is used only during construction of the rulesbucket in the map + var rulesBucketConstructionStateList = new Array(this.map.length); //new Array(this.map.length); + this.FillRules(rules, rulesBucketConstructionStateList); + return this.map; + }; + RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { + var _this = this; + rules.forEach(function (rule) { + _this.FillRule(rule, rulesBucketConstructionStateList); + }); + }; + RulesMap.prototype.GetRuleBucketIndex = function (row, column) { + var rulesBucketIndex = (row * this.mapRowLength) + column; + //Debug.Assert(rulesBucketIndex < this.map.Length, "Trying to access an index outside the array."); + return rulesBucketIndex; + }; + RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { + var _this = this; + var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && + rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; + rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { + rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { + var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); + var rulesBucket = _this.map[rulesBucketIndex]; + if (rulesBucket === undefined) { + rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); + } + rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); + }); + }); + }; + RulesMap.prototype.GetRule = function (context) { + var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); + var bucket = this.map[bucketIndex]; + if (bucket != null) { + for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { + var rule = _a[_i]; + if (rule.Operation.Context.InContext(context)) { + return rule; + } + } + } + return null; + }; + return RulesMap; + }()); + formatting.RulesMap = RulesMap; + var MaskBitSize = 5; + var Mask = 0x1f; + (function (RulesPosition) { + RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; + RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; + })(formatting.RulesPosition || (formatting.RulesPosition = {})); + var RulesPosition = formatting.RulesPosition; + var RulesBucketConstructionState = (function () { + function RulesBucketConstructionState() { + //// The Rules list contains all the inserted rules into a rulebucket in the following order: + //// 1- Ignore rules with specific token combination + //// 2- Ignore rules with any token combination + //// 3- Context rules with specific token combination + //// 4- Context rules with any token combination + //// 5- Non-context rules with specific token combination + //// 6- Non-context rules with any token combination + //// + //// The member rulesInsertionIndexBitmap is used to describe the number of rules + //// in each sub-bucket (above) hence can be used to know the index of where to insert + //// the next rule. It's a bitmap which contains 6 different sections each is given 5 bits. + //// + //// Example: + //// In order to insert a rule to the end of sub-bucket (3), we get the index by adding + //// the values in the bitmap segments 3rd, 2nd, and 1st. + this.rulesInsertionIndexBitmap = 0; + } + RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { + var index = 0; + var pos = 0; + var indexBitmap = this.rulesInsertionIndexBitmap; + while (pos <= maskPosition) { + index += (indexBitmap & Mask); + indexBitmap >>= MaskBitSize; + pos += MaskBitSize; + } + return index; + }; + RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { + var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; + value++; + ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); + temp |= value << maskPosition; + this.rulesInsertionIndexBitmap = temp; + }; + return RulesBucketConstructionState; + }()); + formatting.RulesBucketConstructionState = RulesBucketConstructionState; + var RulesBucket = (function () { + function RulesBucket() { + this.rules = []; + } + RulesBucket.prototype.Rules = function () { + return this.rules; + }; + RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { + var position; + if (rule.Operation.Action === 1 /* Ignore */) { + position = specificTokens ? + RulesPosition.IgnoreRulesSpecific : + RulesPosition.IgnoreRulesAny; + } + else if (!rule.Operation.Context.IsAny()) { + position = specificTokens ? + RulesPosition.ContextRulesSpecific : + RulesPosition.ContextRulesAny; + } + else { + position = specificTokens ? + RulesPosition.NoContextRulesSpecific : + RulesPosition.NoContextRulesAny; + } + var state = constructionState[rulesBucketIndex]; + if (state === undefined) { + state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); + } + var index = state.GetInsertionIndex(position); + this.rules.splice(index, 0, rule); + state.IncreaseInsertionIndex(position); + }; + return RulesBucket; + }()); + formatting.RulesBucket = RulesBucket; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Shared; + (function (Shared) { + var TokenRangeAccess = (function () { + function TokenRangeAccess(from, to, except) { + this.tokens = []; + for (var token = from; token <= to; token++) { + if (ts.indexOf(except, token) < 0) { + this.tokens.push(token); + } + } + } + TokenRangeAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenRangeAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenRangeAccess; + }()); + Shared.TokenRangeAccess = TokenRangeAccess; + var TokenValuesAccess = (function () { + function TokenValuesAccess(tks) { + this.tokens = tks && tks.length ? tks : []; + } + TokenValuesAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenValuesAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenValuesAccess; + }()); + Shared.TokenValuesAccess = TokenValuesAccess; + var TokenSingleValueAccess = (function () { + function TokenSingleValueAccess(token) { + this.token = token; + } + TokenSingleValueAccess.prototype.GetTokens = function () { + return [this.token]; + }; + TokenSingleValueAccess.prototype.Contains = function (tokenValue) { + return tokenValue === this.token; + }; + return TokenSingleValueAccess; + }()); + Shared.TokenSingleValueAccess = TokenSingleValueAccess; + var TokenAllAccess = (function () { + function TokenAllAccess() { + } + TokenAllAccess.prototype.GetTokens = function () { + var result = []; + for (var token = 0 /* FirstToken */; token <= 135 /* LastToken */; token++) { + result.push(token); + } + return result; + }; + TokenAllAccess.prototype.Contains = function (tokenValue) { + return true; + }; + TokenAllAccess.prototype.toString = function () { + return "[allTokens]"; + }; + return TokenAllAccess; + }()); + Shared.TokenAllAccess = TokenAllAccess; + var TokenRange = (function () { + function TokenRange(tokenAccess) { + this.tokenAccess = tokenAccess; + } + TokenRange.FromToken = function (token) { + return new TokenRange(new TokenSingleValueAccess(token)); + }; + TokenRange.FromTokens = function (tokens) { + return new TokenRange(new TokenValuesAccess(tokens)); + }; + TokenRange.FromRange = function (f, to, except) { + if (except === void 0) { except = []; } + return new TokenRange(new TokenRangeAccess(f, to, except)); + }; + TokenRange.AllTokens = function () { + return new TokenRange(new TokenAllAccess()); + }; + TokenRange.prototype.GetTokens = function () { + return this.tokenAccess.GetTokens(); + }; + TokenRange.prototype.Contains = function (token) { + return this.tokenAccess.Contains(token); + }; + TokenRange.prototype.toString = function () { + return this.tokenAccess.toString(); + }; + TokenRange.Any = TokenRange.AllTokens(); + TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3 /* MultiLineCommentTrivia */])); + TokenRange.Keywords = TokenRange.FromRange(70 /* FirstKeyword */, 135 /* LastKeyword */); + TokenRange.BinaryOperators = TokenRange.FromRange(25 /* FirstBinaryOperator */, 68 /* LastBinaryOperator */); + TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90 /* InKeyword */, 91 /* InstanceOfKeyword */, 135 /* OfKeyword */, 116 /* AsKeyword */, 124 /* IsKeyword */]); + TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41 /* PlusPlusToken */, 42 /* MinusMinusToken */, 50 /* TildeToken */, 49 /* ExclamationToken */]); + TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8 /* NumericLiteral */, 69 /* Identifier */, 17 /* OpenParenToken */, 19 /* OpenBracketToken */, 15 /* OpenBraceToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); + TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); + TokenRange.Comments = TokenRange.FromTokens([2 /* SingleLineCommentTrivia */, 3 /* MultiLineCommentTrivia */]); + TokenRange.TypeNames = TokenRange.FromTokens([69 /* Identifier */, 128 /* NumberKeyword */, 130 /* StringKeyword */, 120 /* BooleanKeyword */, 131 /* SymbolKeyword */, 103 /* VoidKeyword */, 117 /* AnyKeyword */]); + return TokenRange; + }()); + Shared.TokenRange = TokenRange; + })(Shared = formatting.Shared || (formatting.Shared = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesProvider = (function () { + function RulesProvider() { + this.globalRules = new formatting.Rules(); + } + RulesProvider.prototype.getRuleName = function (rule) { + return this.globalRules.getRuleName(rule); + }; + RulesProvider.prototype.getRuleByName = function (name) { + return this.globalRules[name]; + }; + RulesProvider.prototype.getRulesMap = function () { + return this.rulesMap; + }; + RulesProvider.prototype.ensureUpToDate = function (options) { + // TODO: Should this be '==='? + if (this.options == null || !ts.compareDataObjects(this.options, options)) { + var activeRules = this.createActiveRules(options); + var rulesMap = formatting.RulesMap.create(activeRules); + this.activeRules = activeRules; + this.rulesMap = rulesMap; + this.options = ts.clone(options); + } + }; + RulesProvider.prototype.createActiveRules = function (options) { + var rules = this.globalRules.HighPriorityCommonRules.slice(0); + if (options.InsertSpaceAfterCommaDelimiter) { + rules.push(this.globalRules.SpaceAfterComma); + } + else { + rules.push(this.globalRules.NoSpaceAfterComma); + } + if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { + rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); + } + else { + rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); + } + if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { + rules.push(this.globalRules.SpaceAfterKeywordInControl); + } + else { + rules.push(this.globalRules.NoSpaceAfterKeywordInControl); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { + rules.push(this.globalRules.SpaceAfterOpenParen); + rules.push(this.globalRules.SpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenParen); + rules.push(this.globalRules.NoSpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { + rules.push(this.globalRules.SpaceAfterOpenBracket); + rules.push(this.globalRules.SpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenBracket); + rules.push(this.globalRules.NoSpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { + rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); + } + else { + rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); + } + if (options.InsertSpaceAfterSemicolonInForStatements) { + rules.push(this.globalRules.SpaceAfterSemicolonInFor); + } + else { + rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); + } + if (options.InsertSpaceBeforeAndAfterBinaryOperators) { + rules.push(this.globalRules.SpaceBeforeBinaryOperator); + rules.push(this.globalRules.SpaceAfterBinaryOperator); + } + else { + rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); + rules.push(this.globalRules.NoSpaceAfterBinaryOperator); + } + if (options.PlaceOpenBraceOnNewLineForControlBlocks) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); + } + if (options.PlaceOpenBraceOnNewLineForFunctions) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); + rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); + } + rules = rules.concat(this.globalRules.LowPriorityCommonRules); + return rules; + }; + return RulesProvider; + }()); + formatting.RulesProvider = RulesProvider; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Constants; + (function (Constants) { + Constants[Constants["Unknown"] = -1] = "Unknown"; + })(Constants || (Constants = {})); + function formatOnEnter(position, sourceFile, rulesProvider, options) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; + } + // get the span for the previous\current line + var span = { + // get start position for the previous line + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + // get end position for the current line (end value is exclusive so add 1 to the result) + end: ts.getEndLinePosition(line, sourceFile) + 1 + }; + return formatSpan(span, sourceFile, options, rulesProvider, 2 /* FormatOnEnter */); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 23 /* SemicolonToken */, sourceFile, options, rulesProvider, 3 /* FormatOnSemicolon */); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 16 /* CloseBraceToken */, sourceFile, options, rulesProvider, 4 /* FormatOnClosingCurlyBrace */); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, rulesProvider, options) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, options, rulesProvider, 0 /* FormatDocument */); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, rulesProvider, options) { + // format from the beginning of the line + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end + }; + return formatSpan(span, sourceFile, options, rulesProvider, 1 /* FormatSelection */); + } + formatting.formatSelection = formatSelection; + function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { + var parent = findOutermostParent(position, expectedLastToken, sourceFile); + if (!parent) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), + end: parent.end + }; + return formatSpan(span, sourceFile, options, rulesProvider, requestKind); + } + function findOutermostParent(position, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(position, sourceFile); + // when it is claimed that trigger character was typed at given position + // we verify that there is a token with a matching kind whose end is equal to position (because the character was just typed). + // If this condition is not hold - then trigger character was typed in some other context, + // i.e.in comment and thus should not trigger autoformatting + if (!precedingToken || + precedingToken.kind !== expectedTokenKind || + position !== precedingToken.getEnd()) { + return undefined; + } + // walk up and search for the parent node that ends at the same position with precedingToken. + // for cases like this + // + // let x = 1; + // while (true) { + // } + // after typing close curly in while statement we want to reformat just the while statement. + // However if we just walk upwards searching for the parent that has the same end value - + // we'll end up with the whole source file. isListElement allows to stop on the list element level + var current = precedingToken; + while (current && + current.parent && + current.parent.end === precedingToken.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + // Returns true if node is a element in some list in parent + // i.e. parent is class declaration with the list of members and node is one of members. + function isListElement(parent, node) { + switch (parent.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + return ts.rangeContainsRange(parent.members, node); + case 221 /* ModuleDeclaration */: + var body = parent.body; + return body && body.kind === 195 /* Block */ && ts.rangeContainsRange(body.statements, node); + case 251 /* SourceFile */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + return ts.rangeContainsRange(parent.statements, node); + case 247 /* CatchClause */: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + /** find node that fully contains given text range */ + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; + } + } + return n; + } + } + /** formatting is not applied to ranges that contain parse errors. + * This function will return a predicate that for a given text range will tell + * if there are any parse errors that overlap with the range. + */ + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + // pick only errors that fall in range + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + // in current implementation sequence of arguments [r1, r2...] is monotonically increasing. + // 'index' tracks the index of the most recent error that was checked. + while (true) { + if (index >= sorted.length) { + // all errors in the range were already checked -> no error in specified range + return false; + } + var error = sorted[index]; + if (r.end <= error.start) { + // specified range ends before the error refered by 'index' - no error in range + return false; + } + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + // specified range overlaps with error range + return true; + } + index++; + } + }; + function rangeHasNoErrors(r) { + return false; + } + } + /** + * Start of the original range might fall inside the comment - scanner will not yield appropriate results + * This function will look for token that is located before the start of target range + * and return its end as start position for the scanner. + */ + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + // no preceding token found - start from the beginning of enclosing node + return enclosingNode.pos; + } + // preceding token ends after the start of original range (i.e when originaRange.pos falls in the middle of literal) + // start from the beginning of enclosingNode to handle the entire 'originalRange' + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + /* + * For cases like + * if (a || + * b ||$ + * c) {...} + * If we hit Enter at $ we want line ' b ||' to be indented. + * Formatting will be applied to the last two lines. + * Node that fully encloses these lines is binary expression 'a ||...'. + * Initial indentation for this node will be 0. + * Binary expressions don't introduce new indentation scopes, however it is possible + * that some parent node on the same line does - like if statement in this case. + * Note that we are considering parents only from the same line with initial node - + * if parent is on the different line - its delta was already contributed + * to the initial indentation. + */ + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1 /* Unknown */; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 /* Unknown */ && line !== previousLine) { + break; + } + if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { + return options.IndentSize; + } + previousLine = line; + child = n; + n = n.parent; + } + return 0; + } + function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { + var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); + // formatting context is used by rules provider + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); + // find the smallest node that fully wraps the range and compute the initial indentation for the node + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); + var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); + var previousRangeHasError; + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; + } + var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); + trimTrailingWhitespacesForRemainingRange(); + } + } + formattingScanner.close(); + return edits; + // local functions + /** Tries to compute the indentation for a list element. + * If list element is not in range then + * function will pick its actual indentation + * so it can be pushed downstream as inherited indentation. + * If list element is in the range - its indentation will be equal + * to inherited indentation from its predecessors. + */ + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) { + if (inheritedIndentation !== -1 /* Unknown */) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + return column; + } + } + return -1 /* Unknown */; + } + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var indentation = inheritedIndentation; + var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; + if (effectiveParentStartLine === startLine) { + // if node is located on the same line with the parent + // - inherit indentation from the parent + // - push children if either parent of node itself has non-zero delta + indentation = startLine === lastIndentedLine + ? indentationOnLastIndentedLine + : parentDynamicIndentation.getIndentation(); + delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); + } + else if (indentation === -1 /* Unknown */) { + if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { + indentation = parentDynamicIndentation.getIndentation(); + } + else { + indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); + } + } + return { + indentation: indentation, + delta: delta + }; + } + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 217 /* ClassDeclaration */: return 73 /* ClassKeyword */; + case 218 /* InterfaceDeclaration */: return 107 /* InterfaceKeyword */; + case 216 /* FunctionDeclaration */: return 87 /* FunctionKeyword */; + case 220 /* EnumDeclaration */: return 220 /* EnumDeclaration */; + case 146 /* GetAccessor */: return 123 /* GetKeyword */; + case 147 /* SetAccessor */: return 129 /* SetKeyword */; + case 144 /* MethodDeclaration */: + if (node.asteriskToken) { + return 37 /* AsteriskToken */; + } + // fall-through + case 142 /* PropertyDeclaration */: + case 139 /* Parameter */: + return node.name.kind; + } + } + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + // preceding comment to the token that closes the indentation scope inherits the indentation from the scope + // .. { + // // comment + // } + case 16 /* CloseBraceToken */: + case 20 /* CloseBracketToken */: + case 18 /* CloseParenToken */: + return indentation + getEffectiveDelta(delta, container); + } + return tokenIndentation !== -1 /* Unknown */ ? tokenIndentation : indentation; + }, + getIndentationForToken: function (line, kind, container) { + if (nodeStartLine !== line && node.decorators) { + if (kind === getFirstNonDecoratorTokenOfNode(node)) { + // if this token is the first token following the list of decorators, we do not need to indent + return indentation; + } + } + switch (kind) { + // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent + case 15 /* OpenBraceToken */: + case 16 /* CloseBraceToken */: + case 19 /* OpenBracketToken */: + case 20 /* CloseBracketToken */: + case 17 /* OpenParenToken */: + case 18 /* CloseParenToken */: + case 80 /* ElseKeyword */: + case 104 /* WhileKeyword */: + case 55 /* AtToken */: + return indentation; + default: + // if token line equals to the line of containing node (this is a first token in the node) - use node indentation + return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; + } + }, + getIndentation: function () { return indentation; }, + getDelta: function (child) { return getEffectiveDelta(delta, child); }, + recomputeIndentation: function (lineAdded) { + if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { + if (lineAdded) { + indentation += options.IndentSize; + } + else { + indentation -= options.IndentSize; + } + if (formatting.SmartIndenter.shouldIndentChildNode(node)) { + delta = options.IndentSize; + } + else { + delta = 0; + } + } + } + }; + function getEffectiveDelta(delta, child) { + // Delta value should be zero when the node explicitly prevents indentation of the child node + return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; + } + } + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; + } + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + // a useful observations when tracking context node + // / + // [a] + // / | \ + // [b] [c] [d] + // node 'a' is a context node for nodes 'b', 'c', 'd' + // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a' + // this rule can be applied recursively to child nodes of 'a'. + // + // context node is set to parent node value after processing every child node + // context node is set to parent of the token after processing every token + var childContextNode = contextNode; + // if there are any tokens that logically belong to node and interleave child nodes + // such tokens will be consumed in processChildNode for for the child that follows them + ts.forEachChild(node, function (child) { + processChildNode(child, /*inheritedIndentation*/ -1 /* Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListElement*/ false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + // proceed any tokens in the node that are located after child nodes + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > node.end) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); + } + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; + } + // if child is a list item - try to get its indentation + var childIndentationAmount = -1 /* Unknown */; + if (isListItem) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1 /* Unknown */) { + inheritedIndentation = childIndentationAmount; + } + } + // child node is outside the target range - do not dive inside + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken()) { + // proceed any parent tokens that are located prior to child.getStart() + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > childStartPos) { + // stop when formatting scanner advances past the beginning of the child + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); + } + if (!formattingScanner.isOnToken()) { + return inheritedIndentation; + } + if (ts.isToken(child)) { + // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules + var tokenInfo = formattingScanner.readTokenInfo(child); + ts.Debug.assert(tokenInfo.token.end === child.end); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + var effectiveParentStartLine = child.kind === 140 /* Decorator */ ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + return inheritedIndentation; + } + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + var listStartToken = getOpenTokenForList(parent, nodes); + var listEndToken = getCloseTokenForOpenToken(listStartToken); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + if (listStartToken !== 0 /* Unknown */) { + // introduce a new indentation scope for lists (including list start and end tokens) + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { + // stop when formatting scanner moves past the beginning of node list + break; + } + else if (tokenInfo.token.kind === listStartToken) { + // consume list start token + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1 /* Unknown */, parent, parentDynamicIndentation, parentStartLine); + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + else { + // consume any tokens that precede the list as child elements of 'node' using its indentation scope + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); + } + } + } + var inheritedIndentation = -1 /* Unknown */; + for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { + var child = nodes_6[_i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListElement*/ true); + } + if (listEndToken !== 0 /* Unknown */) { + if (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + // consume the list end token only if it is still belong to the parent + // there might be the case when current token matches end token but does not considered as one + // function (x: function) <-- + // without this check close paren will be interpreted as list end token for function expression which is wrong + if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + // consume list end token + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + } + } + } + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); + } + var lineAdded; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + // save previousRange since processRange will overwrite this value with current one + var savePreviousRange = previousRange; + lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + if (rangeHasError) { + // do not indent comments\token if token range overlaps with some error + indentToken = false; + } + else { + if (lineAdded !== undefined) { + indentToken = lineAdded; + } + else { + // indent token only if end line of previous range does not match start line of the token + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + } + } + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); + } + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : + -1 /* Unknown */; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + var indentNextTokenOrTrivia = true; + for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { + var triviaItem = _a[_i]; + if (!ts.rangeContainsRange(originalRange, triviaItem)) { + continue; + } + switch (triviaItem.kind) { + case 3 /* MultiLineCommentTrivia */: + indentMultilineComment(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia); + indentNextTokenOrTrivia = false; + break; + case 2 /* SingleLineCommentTrivia */: + if (indentNextTokenOrTrivia) { + insertIndentation(triviaItem.pos, commentIndentation, /*lineAdded*/ false); + indentNextTokenOrTrivia = false; + } + break; + case 4 /* NewLineTrivia */: + indentNextTokenOrTrivia = true; + break; + } + } + } + // indent token only if is it is in target range and does not overlap with any error ranges + if (tokenIndentation !== -1 /* Unknown */) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; + } + } + formattingScanner.advance(); + childContextNode = parent; + } + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); + } + } + } + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAdded; + if (!rangeHasError && !previousRangeHasError) { + if (!previousRange) { + // trim whitespaces starting from the beginning of the span up to the current line + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAdded = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + previousRangeHasError = rangeHasError; + return lineAdded; + } + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rule = rulesProvider.getRulesMap().GetRule(formattingContext); + var trimTrailingWhitespaces; + var lineAdded; + if (rule) { + applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (rule.Operation.Action & (2 /* Space */ | 8 /* Delete */) && currentStartLine !== previousStartLine) { + lineAdded = false; + // Handle the case where the next line is moved to be the end of this line. + // In this case we don't indent the next line in the next pass. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAdded*/ false); + } + } + else if (rule.Operation.Action & 4 /* NewLine */ && currentStartLine === previousStartLine) { + lineAdded = true; + // Handle the case where token2 is moved to the new line. + // In this case we indent token2 in the next pass but we set + // sameLineIndent flag to notify the indenter that the indentation is within the line. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAdded*/ true); + } + } + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespaces = !(rule.Operation.Action & 8 /* Delete */) && rule.Flag !== 1 /* CanDeleteNewLines */; + } + else { + trimTrailingWhitespaces = true; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAdded; + } + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + // new line is added before the token by the formatting rules + // insert indentation string at the very beginning of the token + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + if (indentation !== tokenStart.character) { + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + recordReplace(startLinePosition, tokenStart.character, indentationString); + } + } + } + function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { + // split comment in lines + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + var parts; + if (startLine === endLine) { + if (!firstLineIsIndented) { + // treat as single line comment + insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false); + } + return; + } + else { + parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; ++line) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + } + parts.push({ pos: startPos, end: commentRange.end }); + } + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + if (indentation === nonWhitespaceColumnInFirstPart.column) { + return; + } + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + // shift all parts on the delta size + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); + } + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); + } + } + } + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; ++line) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + // do not trim whitespaces in comments or template expression + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } + } + } + /** + * @param start The position of the first character in range + * @param end The position of the last character in range + */ + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; + } + /** + * Trimming will be done for lines after the previous range + */ + function trimTrailingWhitespacesForRemainingRange() { + var startPosition = previousRange ? previousRange.end : originalRange.pos; + var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function newTextChange(start, len, newText) { + return { span: ts.createTextSpan(start, len), newText: newText }; + } + function recordDelete(start, len) { + if (len) { + edits.push(newTextChange(start, len, "")); + } + } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(newTextChange(start, len, newText)); + } + } + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + var between; + switch (rule.Operation.Action) { + case 1 /* Ignore */: + // no action required + return; + case 8 /* Delete */: + if (previousRange.end !== currentRange.pos) { + // delete characters starting from t1.end up to t2.pos exclusive + recordDelete(previousRange.end, currentRange.pos - previousRange.end); + } + break; + case 4 /* NewLine */: + // exit early if we on different lines and rule cannot change number of newlines + // if line1 and line2 are on subsequent lines then no edits are required - ok to exit + // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines + if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return; + } + // edit should not be applied only if we have one line feed between elements + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); + } + break; + case 2 /* Space */: + // exit early if we on different lines and rule cannot change number of newlines + if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return; + } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* space */) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); + } + break; + } + } + } + function isSomeBlock(kind) { + switch (kind) { + case 195 /* Block */: + case 222 /* ModuleBlock */: + return true; + } + return false; + } + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 145 /* Constructor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 177 /* ArrowFunction */: + if (node.typeParameters === list) { + return 25 /* LessThanToken */; + } + else if (node.parameters === list) { + return 17 /* OpenParenToken */; + } + break; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + if (node.typeArguments === list) { + return 25 /* LessThanToken */; + } + else if (node.arguments === list) { + return 17 /* OpenParenToken */; + } + break; + case 152 /* TypeReference */: + if (node.typeArguments === list) { + return 25 /* LessThanToken */; + } + } + return 0 /* Unknown */; + } + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 17 /* OpenParenToken */: + return 18 /* CloseParenToken */; + case 25 /* LessThanToken */: + return 27 /* GreaterThanToken */; + } + return 0 /* Unknown */; + } + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + // reset interned strings if FormatCodeOptions were changed + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; + } + if (!options.ConvertTabsToSpaces) { + var tabs = Math.floor(indentation / options.TabSize); + var spaces = indentation - tabs * options.TabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; + } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + repeat(" ", spaces) : tabString; + } + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.IndentSize); + var remainder = indentation % options.IndentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = repeat(" ", options.IndentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + repeat(" ", remainder) : spacesString; + } + function repeat(value, count) { + var s = ""; + for (var i = 0; i < count; ++i) { + s += value; + } + return s; + } + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + var Value; + (function (Value) { + Value[Value["Unknown"] = -1] = "Unknown"; + })(Value || (Value = {})); + function getIndentation(position, sourceFile, options) { + if (position > sourceFile.text.length) { + return 0; // past EOF + } + // no indentation when the indent style is set to none, + // so we can return fast + if (options.IndentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken) { + return 0; + } + // no indentation in string \regex\template literals + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + // indentation is first non-whitespace character in a previous line + // for block indentation, we should look for a line which contains something that's not + // whitespace. + if (options.IndentStyle === ts.IndentStyle.Block) { + // move backwards until we find a line with a non-whitespace character, + // then find the first non-whitespace character for that line. + var current_1 = position; + while (current_1 > 0) { + var char = sourceFile.text.charCodeAt(current_1); + if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { + break; + } + current_1--; + } + var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); + return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); + } + if (precedingToken.kind === 24 /* CommaToken */ && precedingToken.parent.kind !== 184 /* BinaryExpression */) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation; + } + } + // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken' + // if such node is found - compute initial indentation for 'position' inside this node + var previous; + var current = precedingToken; + var currentStart; + var indentationDelta; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { + currentStart = getStartLineAndCharacterForNode(current, sourceFile); + if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { + indentationDelta = 0; + } + else { + indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; + } + break; + } + // check if current node is a list item - if yes, take indentation from it + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + options.IndentSize; + } + previous = current; + current = current.parent; + } + if (!current) { + // no parent was found - return 0 to be indented on the level of SourceFile + return 0; + } + return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, options); + } + SmartIndenter.getIndentation = getIndentation; + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, options); + } + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { + var parent = current.parent; + var parentStart; + // walk upwards and collect indentations for pairs of parent-child nodes + // indentation is not added if parent and child nodes start on the same line or if parent is IfStatement and child starts on the same line with 'else clause' + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + if (useActualIndentation) { + // check if current node is a list item - if yes, take indentation from it + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + } + parentStart = getParentStart(parent, current, sourceFile); + var parentAndChildShareLine = parentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + // try to fetch actual indentation for current node from source text + var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + } + // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line + if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { + indentationDelta += options.IndentSize; + } + current = parent; + currentStart = parentStart; + parent = current.parent; + } + return indentationDelta; + } + function getParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + if (containingList) { + return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); + } + /* + * Function returns Value.Unknown if indentation cannot be determined + */ + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + } + else { + // handle broken code gracefully + return -1 /* Unknown */; + } + } + /* + * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression) + */ + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + // actual indentation is used for statements\declarations if one of cases below is true: + // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually + // - parent and child are not on the same line + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && + (parent.kind === 251 /* SourceFile */ || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1 /* Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + } + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current); + if (!nextToken) { + return false; + } + if (nextToken.kind === 15 /* OpenBraceToken */) { + // open braces are always indented at the parent level + return true; + } + else if (nextToken.kind === 16 /* CloseBraceToken */) { + // close braces are indented at the parent level if they are located on the same line with cursor + // this means that if new line will be added at $ position, this case will be indented + // class A { + // $ + // } + /// and this one - not + // class A { + // $} + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine; + } + return false; + } + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + } + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 199 /* IfStatement */ && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 80 /* ElseKeyword */, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; + } + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + function getContainingList(node, sourceFile) { + if (node.parent) { + switch (node.parent.kind) { + case 152 /* TypeReference */: + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { + return node.parent.typeArguments; + } + break; + case 168 /* ObjectLiteralExpression */: + return node.parent.properties; + case 167 /* ArrayLiteralExpression */: + return node.parent.elements; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: { + var start = node.getStart(sourceFile); + if (node.parent.typeParameters && + ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { + return node.parent.typeParameters; + } + if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { + return node.parent.parameters; + } + break; + } + case 172 /* NewExpression */: + case 171 /* CallExpression */: { + var start = node.getStart(sourceFile); + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { + return node.parent.typeArguments; + } + if (node.parent.arguments && + ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { + return node.parent.arguments; + } + break; + } + } + } + return undefined; + } + function getActualIndentationForListItem(node, sourceFile, options) { + var containingList = getContainingList(node, sourceFile); + return containingList ? getActualIndentationFromList(containingList) : -1 /* Unknown */; + function getActualIndentationFromList(list) { + var index = ts.indexOf(list, node); + return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1 /* Unknown */; + } + } + function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { + // actual indentation should not be used when: + // - node is close parenthesis - this is the end of the expression + if (node.kind === 18 /* CloseParenToken */) { + return -1 /* Unknown */; + } + if (node.parent && (node.parent.kind === 171 /* CallExpression */ || + node.parent.kind === 172 /* NewExpression */) && + node.parent.expression !== node) { + var fullCallOrNewExpression = node.parent.expression; + var startingExpression = getStartingExpression(fullCallOrNewExpression); + if (fullCallOrNewExpression === startingExpression) { + return -1 /* Unknown */; + } + var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); + var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); + if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { + return -1 /* Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); + } + return -1 /* Unknown */; + function getStartingExpression(node) { + while (true) { + switch (node.kind) { + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + node = node.expression; + break; + default: + return node; + } + } + } + } + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + // walk toward the start of the list starting from current node and check if the line is the same for all items. + // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i] + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; --i) { + if (list[i].kind === 24 /* CommaToken */) { + continue; + } + // skip list items that ends on the same line with the current list element + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); + } + return -1 /* Unknown */; + } + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); + } + /* + Character is the actual index of the character since the beginning of the line. + Column - position of the character after expanding tabs to spaces + "0\t2$" + value of 'character' for '$' is 3 + value of 'column' for '$' is 6 (assuming that tab size is 4) + */ + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; ++pos) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch)) { + break; + } + if (ch === 9 /* tab */) { + column += options.TabSize + (column % options.TabSize); + } + else { + column++; + } + character++; + } + return { column: column, character: character }; + } + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; + } + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeContentIsAlwaysIndented(kind) { + switch (kind) { + case 198 /* ExpressionStatement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 167 /* ArrayLiteralExpression */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + case 168 /* ObjectLiteralExpression */: + case 156 /* TypeLiteral */: + case 158 /* TupleType */: + case 223 /* CaseBlock */: + case 245 /* DefaultClause */: + case 244 /* CaseClause */: + case 175 /* ParenthesizedExpression */: + case 169 /* PropertyAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 196 /* VariableStatement */: + case 214 /* VariableDeclaration */: + case 230 /* ExportAssignment */: + case 207 /* ReturnStatement */: + case 185 /* ConditionalExpression */: + case 165 /* ArrayBindingPattern */: + case 164 /* ObjectBindingPattern */: + case 238 /* JsxOpeningElement */: + case 237 /* JsxSelfClosingElement */: + case 243 /* JsxExpression */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 139 /* Parameter */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 161 /* ParenthesizedType */: + case 173 /* TaggedTemplateExpression */: + case 181 /* AwaitExpression */: + case 228 /* NamedImports */: + return true; + } + return false; + } + /* @internal */ + function nodeWillIndentChild(parent, child, indentByDefault) { + var childKind = child ? child.kind : 0 /* Unknown */; + switch (parent.kind) { + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 199 /* IfStatement */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 177 /* ArrowFunction */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return childKind !== 195 /* Block */; + case 236 /* JsxElement */: + return childKind !== 240 /* JsxClosingElement */; + } + // No explicit rule for given nodes so the result will follow the default value argument + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + /* + Function returns true when the parent node should indent the given child by an explicit rule + */ + function shouldIndentChildNode(parent, child) { + return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); + } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +var ts; +(function (ts) { + /** The version of the language service API */ + ts.servicesVersion = "0.4"; + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { + // Text-based snapshots do not support incremental parsing. Return undefined + // to signal that to the caller. + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); + var emptyArray = []; + var jsDocTagNames = [ + "augments", + "author", + "argument", + "borrows", + "class", + "constant", + "constructor", + "constructs", + "default", + "deprecated", + "description", + "event", + "example", + "extends", + "field", + "fileOverview", + "function", + "ignore", + "inner", + "lends", + "link", + "memberOf", + "name", + "namespace", + "param", + "private", + "property", + "public", + "requires", + "returns", + "see", + "since", + "static", + "throws", + "type", + "version" + ]; + var jsDocCompletionEntries; + function createNode(kind, pos, end, flags, parent) { + var node = new NodeObject(kind, pos, end); + node.flags = flags; + node.parent = parent; + return node; + } + var NodeObject = (function () { + function NodeObject(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0 /* None */; + this.parent = undefined; + } + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); + }; + NodeObject.prototype.getStart = function (sourceFile) { + return ts.getTokenPosOfNode(this, sourceFile); + }; + NodeObject.prototype.getFullStart = function () { + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); + }; + NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { + scanner.setTextPos(pos); + while (pos < end) { + var token = scanner.scan(); + var textPos = scanner.getTextPos(); + nodes.push(createNode(token, pos, textPos, 2048 /* Synthetic */, this)); + pos = textPos; + } + return pos; + }; + NodeObject.prototype.createSyntaxList = function (nodes) { + var list = createNode(274 /* SyntaxList */, nodes.pos, nodes.end, 2048 /* Synthetic */, this); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { + var node = nodes_7[_i]; + if (pos < node.pos) { + pos = this.addSyntheticNodes(list._children, pos, node.pos); + } + list._children.push(node); + pos = node.end; + } + if (pos < nodes.end) { + this.addSyntheticNodes(list._children, pos, nodes.end); + } + return list; + }; + NodeObject.prototype.createChildren = function (sourceFile) { + var _this = this; + var children; + if (this.kind >= 136 /* FirstNode */) { + scanner.setText((sourceFile || this.getSourceFile()).text); + children = []; + var pos_3 = this.pos; + var processNode = function (node) { + if (pos_3 < node.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); + } + children.push(node); + pos_3 = node.end; + }; + var processNodes = function (nodes) { + if (pos_3 < nodes.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); + } + children.push(_this.createSyntaxList(nodes)); + pos_3 = nodes.end; + }; + ts.forEachChild(this, processNode, processNodes); + if (pos_3 < this.end) { + this.addSyntheticNodes(children, pos_3, this.end); + } + scanner.setText(undefined); + } + this._children = children || emptyArray; + }; + NodeObject.prototype.getChildCount = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children.length; + }; + NodeObject.prototype.getChildAt = function (index, sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children[index]; + }; + NodeObject.prototype.getChildren = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children; + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + if (!children.length) { + return undefined; + } + var child = children[0]; + return child.kind < 136 /* FirstNode */ ? child : child.getFirstToken(sourceFile); + }; + NodeObject.prototype.getLastToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; + } + return child.kind < 136 /* FirstNode */ ? child : child.getLastToken(sourceFile); + }; + return NodeObject; + }()); + var SymbolObject = (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.name = name; + } + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4 /* Property */)); + } + return this.documentationComment; + }; + return SymbolObject; + }()); + function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { + var documentationComment = []; + var docComments = getJsDocCommentsSeparatedByNewLines(); + ts.forEach(docComments, function (docComment) { + if (documentationComment.length) { + documentationComment.push(ts.lineBreakPart()); + } + documentationComment.push(docComment); + }); + return documentationComment; + function getJsDocCommentsSeparatedByNewLines() { + var paramTag = "@param"; + var jsDocCommentParts = []; + ts.forEach(declarations, function (declaration, indexOfDeclaration) { + // Make sure we are collecting doc comment from declaration once, + // In case of union property there might be same declaration multiple times + // which only varies in type parameter + // Eg. const a: Array | Array; a.length + // The property length will have two declarations of property length coming + // from Array - Array and Array + if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { + var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); + // If it is parameter - try and get the jsDoc comment with @param tag from function declaration's jsDoc comments + if (canUseParsedParamTagComments && declaration.kind === 139 /* Parameter */) { + ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedParamJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); + } + }); + } + // If this is left side of dotted module declaration, there is no doc comments associated with this node + if (declaration.kind === 221 /* ModuleDeclaration */ && declaration.body.kind === 221 /* ModuleDeclaration */) { + return; + } + // If this is dotted module name, get the doc comments from the parent + while (declaration.kind === 221 /* ModuleDeclaration */ && declaration.parent.kind === 221 /* ModuleDeclaration */) { + declaration = declaration.parent; + } + // Get the cleaned js doc comment text from the declaration + ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 /* VariableDeclaration */ ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedJsDocComment); + } + }); + } + }); + return jsDocCommentParts; + function getJsDocCommentTextRange(node, sourceFile) { + return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { + return { + pos: jsDocComment.pos + "/*".length, + end: jsDocComment.end - "*/".length // Trim off comment end indicator + }; + }); + } + function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { + if (maxSpacesToRemove !== undefined) { + end = Math.min(end, pos + maxSpacesToRemove); + } + for (; pos < end; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { + // Either found lineBreak or non whiteSpace + return pos; + } + } + return end; + } + function consumeLineBreaks(pos, end, sourceFile) { + while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function isName(pos, end, sourceFile, name) { + return pos + name.length < end && + sourceFile.text.substr(pos, name.length) === name && + (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || + ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); + } + function isParamTag(pos, end, sourceFile) { + // If it is @param tag + return isName(pos, end, sourceFile, paramTag); + } + function pushDocCommentLineText(docComments, text, blankLineCount) { + // Add the empty lines in between texts + while (blankLineCount) { + blankLineCount--; + docComments.push(ts.textPart("")); + } + docComments.push(ts.textPart(text)); + } + function getCleanedJsDocComment(pos, end, sourceFile) { + var spacesToRemoveAfterAsterisk; + var docComments = []; + var blankLineCount = 0; + var isInParamTag = false; + while (pos < end) { + var docCommentTextOfLine = ""; + // First consume leading white space + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); + // If the comment starts with '*' consume the spaces on this line + if (pos < end && sourceFile.text.charCodeAt(pos) === 42 /* asterisk */) { + var lineStartPos = pos + 1; + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); + // Set the spaces to remove after asterisk as margin if not already set + if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + spacesToRemoveAfterAsterisk = pos - lineStartPos; + } + } + else if (spacesToRemoveAfterAsterisk === undefined) { + spacesToRemoveAfterAsterisk = 0; + } + // Analyse text on this line + while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + var ch = sourceFile.text.charAt(pos); + if (ch === "@") { + // If it is @param tag + if (isParamTag(pos, end, sourceFile)) { + isInParamTag = true; + pos += paramTag.length; + continue; + } + else { + isInParamTag = false; + } + } + // Add the ch to doc text if we arent in param tag + if (!isInParamTag) { + docCommentTextOfLine += ch; + } + // Scan next character + pos++; + } + // Continue with next line + pos = consumeLineBreaks(pos, end, sourceFile); + if (docCommentTextOfLine) { + pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); + blankLineCount = 0; + } + else if (!isInParamTag && docComments.length) { + // This is blank line when there is text already parsed + blankLineCount++; + } + } + return docComments; + } + function getCleanedParamJsDocComment(pos, end, sourceFile) { + var paramHelpStringMargin; + var paramDocComments = []; + while (pos < end) { + if (isParamTag(pos, end, sourceFile)) { + var blankLineCount = 0; + var recordedParamTag = false; + // Consume leading spaces + pos = consumeWhiteSpaces(pos + paramTag.length); + if (pos >= end) { + break; + } + // Ignore type expression + if (sourceFile.text.charCodeAt(pos) === 123 /* openBrace */) { + pos++; + for (var curlies = 1; pos < end; pos++) { + var charCode = sourceFile.text.charCodeAt(pos); + // { character means we need to find another } to match the found one + if (charCode === 123 /* openBrace */) { + curlies++; + continue; + } + // } char + if (charCode === 125 /* closeBrace */) { + curlies--; + if (curlies === 0) { + // We do not have any more } to match the type expression is ignored completely + pos++; + break; + } + else { + // there are more { to be matched with } + continue; + } + } + // Found start of another tag + if (charCode === 64 /* at */) { + break; + } + } + // Consume white spaces + pos = consumeWhiteSpaces(pos); + if (pos >= end) { + break; + } + } + // Parameter name + if (isName(pos, end, sourceFile, name)) { + // Found the parameter we are looking for consume white spaces + pos = consumeWhiteSpaces(pos + name.length); + if (pos >= end) { + break; + } + var paramHelpString = ""; + var firstLineParamHelpStringPos = pos; + while (pos < end) { + var ch = sourceFile.text.charCodeAt(pos); + // at line break, set this comment line text and go to next line + if (ts.isLineBreak(ch)) { + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + paramHelpString = ""; + blankLineCount = 0; + recordedParamTag = true; + } + else if (recordedParamTag) { + blankLineCount++; + } + // Get the pos after cleaning start of the line + setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); + continue; + } + // Done scanning param help string - next tag found + if (ch === 64 /* at */) { + break; + } + paramHelpString += sourceFile.text.charAt(pos); + // Go to next character + pos++; + } + // If there is param help text, add it top the doc comments + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + } + paramHelpStringMargin = undefined; + } + // If this is the start of another tag, continue with the loop in seach of param tag with symbol name + if (sourceFile.text.charCodeAt(pos) === 64 /* at */) { + continue; + } + } + // Next character + pos++; + } + return paramDocComments; + function consumeWhiteSpaces(pos) { + while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { + // Get the pos after consuming line breaks + pos = consumeLineBreaks(pos, end, sourceFile); + if (pos >= end) { + return; + } + if (paramHelpStringMargin === undefined) { + paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; + } + // Now consume white spaces max + var startOfLinePos = pos; + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); + if (pos >= end) { + return; + } + var consumedSpaces = pos - startOfLinePos; + if (consumedSpaces < paramHelpStringMargin) { + var ch = sourceFile.text.charCodeAt(pos); + if (ch === 42 /* asterisk */) { + // Consume more spaces after asterisk + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); + } + } + } + } + } + } + var TypeObject = (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; + }; + TypeObject.prototype.getSymbol = function () { + return this.symbol; + }; + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); + }; + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); + }; + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); + }; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0 /* Call */); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1 /* Construct */); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0 /* String */); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1 /* Number */); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.flags & (1024 /* Class */ | 2048 /* Interface */) + ? this.checker.getBaseTypes(this) + : undefined; + }; + return TypeObject; + }()); + var SignatureObject = (function () { + function SignatureObject(checker) { + this.checker = checker; + } + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], + /*name*/ undefined, + /*canUseParsedParamTagComments*/ false) : []; + } + return this.documentationComment; + }; + return SignatureObject; + }()); + var SourceFileObject = (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + _super.call(this, kind, pos, end); + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { + return ts.getPositionOfLineAndCharacter(this, line, character); + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = {}; + ts.forEachChild(this, visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + var declarations = getDeclarations(name); + declarations.push(declaration); + } + } + function getDeclarations(name) { + return ts.getProperty(result, name) || (result[name] = []); + } + function getDeclarationName(declaration) { + if (declaration.name) { + var result_3 = getTextOfIdentifierOrLiteral(declaration.name); + if (result_3 !== undefined) { + return result_3; + } + if (declaration.name.kind === 137 /* ComputedPropertyName */) { + var expr = declaration.name.expression; + if (expr.kind === 169 /* PropertyAccessExpression */) { + return expr.name.text; + } + return getTextOfIdentifierOrLiteral(expr); + } + } + return undefined; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 9 /* StringLiteral */ || + node.kind === 8 /* NumericLiteral */) { + return node.text; + } + } + return undefined; + } + function visit(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + // Check whether this declaration belongs to an "overload group". + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + // Overwrite the last declaration if it was an overload + // and this one is an implementation. + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + ts.forEachChild(node, visit); + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + case 221 /* ModuleDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 233 /* ExportSpecifier */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 156 /* TypeLiteral */: + addDeclaration(node); + // fall through + case 145 /* Constructor */: + case 196 /* VariableStatement */: + case 215 /* VariableDeclarationList */: + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + case 222 /* ModuleBlock */: + ts.forEachChild(node, visit); + break; + case 195 /* Block */: + if (ts.isFunctionBlock(node)) { + ts.forEachChild(node, visit); + } + break; + case 139 /* Parameter */: + // Only consider properties defined as constructor parameters + if (!(node.flags & 56 /* AccessibilityModifier */)) { + break; + } + // fall through + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + if (ts.isBindingPattern(node.name)) { + ts.forEachChild(node.name, visit); + break; + } + case 250 /* EnumMember */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + addDeclaration(node); + break; + case 231 /* ExportDeclaration */: + // Handle named exports case e.g.: + // export {a, b as B} from "mod"; + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225 /* ImportDeclaration */: + var importClause = node.importClause; + if (importClause) { + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + addDeclaration(importClause); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + } + } + }; + return SourceFileObject; + }(NodeObject)); + var TextChange = (function () { + function TextChange() { + } + return TextChange; + }()); + ts.TextChange = TextChange; + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind.none = "none"; + HighlightSpanKind.definition = "definition"; + HighlightSpanKind.reference = "reference"; + HighlightSpanKind.writtenReference = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(ts.IndentStyle || (ts.IndentStyle = {})); + var IndentStyle = ts.IndentStyle; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; + (function (OutputFileType) { + OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; + OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; + OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; + })(ts.OutputFileType || (ts.OutputFileType = {})); + var OutputFileType = ts.OutputFileType; + (function (EndOfLineState) { + EndOfLineState[EndOfLineState["None"] = 0] = "None"; + EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; + EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; + EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; + EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; + })(ts.EndOfLineState || (ts.EndOfLineState = {})); + var EndOfLineState = ts.EndOfLineState; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; + })(ts.TokenClass || (ts.TokenClass = {})); + var TokenClass = ts.TokenClass; + // TODO: move these to enums + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind.unknown = ""; + ScriptElementKind.warning = "warning"; + // predefined type (void) or keyword (class) + ScriptElementKind.keyword = "keyword"; + // top level script node + ScriptElementKind.scriptElement = "script"; + // module foo {} + ScriptElementKind.moduleElement = "module"; + // class X {} + ScriptElementKind.classElement = "class"; + // var x = class X {} + ScriptElementKind.localClassElement = "local class"; + // interface Y {} + ScriptElementKind.interfaceElement = "interface"; + // type T = ... + ScriptElementKind.typeElement = "type"; + // enum E + ScriptElementKind.enumElement = "enum"; + // Inside module and script only + // const v = .. + ScriptElementKind.variableElement = "var"; + // Inside function + ScriptElementKind.localVariableElement = "local var"; + // Inside module and script only + // function f() { } + ScriptElementKind.functionElement = "function"; + // Inside function + ScriptElementKind.localFunctionElement = "local function"; + // class X { [public|private]* foo() {} } + ScriptElementKind.memberFunctionElement = "method"; + // class X { [public|private]* [get|set] foo:number; } + ScriptElementKind.memberGetAccessorElement = "getter"; + ScriptElementKind.memberSetAccessorElement = "setter"; + // class X { [public|private]* foo:number; } + // interface Y { foo:number; } + ScriptElementKind.memberVariableElement = "property"; + // class X { constructor() { } } + ScriptElementKind.constructorImplementationElement = "constructor"; + // interface Y { ():number; } + ScriptElementKind.callSignatureElement = "call"; + // interface Y { []:number; } + ScriptElementKind.indexSignatureElement = "index"; + // interface Y { new():Y; } + ScriptElementKind.constructSignatureElement = "construct"; + // function foo(*Y*: string) + ScriptElementKind.parameterElement = "parameter"; + ScriptElementKind.typeParameterElement = "type parameter"; + ScriptElementKind.primitiveType = "primitive type"; + ScriptElementKind.label = "label"; + ScriptElementKind.alias = "alias"; + ScriptElementKind.constElement = "const"; + ScriptElementKind.letElement = "let"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier.none = ""; + ScriptElementKindModifier.publicMemberModifier = "public"; + ScriptElementKindModifier.privateMemberModifier = "private"; + ScriptElementKindModifier.protectedMemberModifier = "protected"; + ScriptElementKindModifier.exportedModifier = "export"; + ScriptElementKindModifier.ambientModifier = "declare"; + ScriptElementKindModifier.staticModifier = "static"; + ScriptElementKindModifier.abstractModifier = "abstract"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames = (function () { + function ClassificationTypeNames() { + } + ClassificationTypeNames.comment = "comment"; + ClassificationTypeNames.identifier = "identifier"; + ClassificationTypeNames.keyword = "keyword"; + ClassificationTypeNames.numericLiteral = "number"; + ClassificationTypeNames.operator = "operator"; + ClassificationTypeNames.stringLiteral = "string"; + ClassificationTypeNames.whiteSpace = "whitespace"; + ClassificationTypeNames.text = "text"; + ClassificationTypeNames.punctuation = "punctuation"; + ClassificationTypeNames.className = "class name"; + ClassificationTypeNames.enumName = "enum name"; + ClassificationTypeNames.interfaceName = "interface name"; + ClassificationTypeNames.moduleName = "module name"; + ClassificationTypeNames.typeParameterName = "type parameter name"; + ClassificationTypeNames.typeAliasName = "type alias name"; + ClassificationTypeNames.parameterName = "parameter name"; + ClassificationTypeNames.docCommentTagName = "doc comment tag name"; + ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; + ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; + ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; + ClassificationTypeNames.jsxAttribute = "jsx attribute"; + ClassificationTypeNames.jsxText = "jsx text"; + ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; + return ClassificationTypeNames; + }()); + ts.ClassificationTypeNames = ClassificationTypeNames; + (function (ClassificationType) { + ClassificationType[ClassificationType["comment"] = 1] = "comment"; + ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; + ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; + ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; + ClassificationType[ClassificationType["operator"] = 5] = "operator"; + ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; + ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; + ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; + ClassificationType[ClassificationType["text"] = 9] = "text"; + ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; + ClassificationType[ClassificationType["className"] = 11] = "className"; + ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; + ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; + ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; + ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; + ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; + ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; + ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; + ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; + ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; + ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; + ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; + ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; + ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; + })(ts.ClassificationType || (ts.ClassificationType = {})); + var ClassificationType = ts.ClassificationType; + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); + } + return ""; + } + ts.displayPartsToString = displayPartsToString; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; // This is exported symbol + } + return ts.forEach(symbol.declarations, function (declaration) { + // Function expressions are local + if (declaration.kind === 176 /* FunctionExpression */) { + return true; + } + if (declaration.kind !== 214 /* VariableDeclaration */ && declaration.kind !== 216 /* FunctionDeclaration */) { + return false; + } + // If the parent is not sourceFile or module block it is local variable + for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { + // Reached source file or module block + if (parent_10.kind === 251 /* SourceFile */ || parent_10.kind === 222 /* ModuleBlock */) { + return false; + } + } + // parent is in function block + return true; + }); + } + function getDefaultCompilerOptions() { + // Always default to "ScriptTarget.ES5" for the language service + return { + target: 1 /* ES5 */, + jsx: 1 /* Preserve */ + }; + } + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + // Cache host information about scrip Should be refreshed + // at each language service public entry point, since we don't know when + // set of scripts handled by the host changes. + var HostCache = (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + this.getCanonicalFileName = getCanonicalFileName; + // script id => script index + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = ts.createFileMap(); + // Initialize the list with the root file names + var rootFileNames = host.getScriptFileNames(); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + // store the compilation settings + this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); + } + HostCache.prototype.compilationSettings = function () { + return this._compilationSettings; + }; + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot + }; + } + this.fileNameToEntry.set(path, entry); + return entry; + }; + HostCache.prototype.getEntry = function (path) { + return this.fileNameToEntry.get(path); + }; + HostCache.prototype.contains = function (path) { + return this.fileNameToEntry.contains(path); + }; + HostCache.prototype.getOrCreateEntry = function (fileName) { + var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); + if (this.contains(path)) { + return this.getEntry(path); + } + return this.createEntry(fileName, path); + }; + HostCache.prototype.getRootFileNames = function () { + var fileNames = []; + this.fileNameToEntry.forEachValue(function (path, value) { + if (value) { + fileNames.push(value.hostFileName); + } + }); + return fileNames; + }; + HostCache.prototype.getVersion = function (path) { + var file = this.getEntry(path); + return file && file.version; + }; + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getEntry(path); + return file && file.scriptSnapshot; + }; + return HostCache; + }()); + var SyntaxTreeCache = (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + // The host does not know about this file. + throw new Error("Could not find file: '" + fileName + "'."); + } + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + // This is a new file, just parse it + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2 /* Latest */, version, /*setNodeParents*/ true); + } + else if (this.currentFileVersion !== version) { + // This is the same file, just a newer version. Incrementally parse the file. + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + // All done, ensure state is up to date + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; + }; + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + /* + * This function will compile source text from 'input' argument using specified compiler options. + * If not options are provided - it will use a set of default compiler options. + * Extra compiler options that will unconditionally be used by this function are: + * - isolatedModules = true + * - allowNonTsExtensions = true + * - noLib = true + * - noResolve = true + */ + function transpileModule(input, transpileOptions) { + var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); + options.isolatedModules = true; + // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths. + options.suppressOutputPathCheck = true; + // Filename can be non-ts file. + options.allowNonTsExtensions = true; + // We are not returning a sourceFile for lib file when asked by the program, + // so pass --noLib to avoid reporting a file not found error. + options.noLib = true; + // We are not doing a full typecheck, we are not resolving the whole context, + // so pass --noResolve to avoid reporting missing file errors. + options.noResolve = true; + // if jsx is specified then treat file as .tsx + var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, options.target); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + sourceFile.renamedDependencies = transpileOptions.renamedDependencies; + var newLine = ts.getNewLineCharacter(options); + // Output + var outputText; + var sourceMapText; + // Create a compilerHost object to allow the compiler to read and write files + var compilerHost = { + getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text, writeByteOrderMark) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); + sourceMapText = text; + } + else { + ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); + outputText = text; + } + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function (fileName) { return ""; }, + directoryExists: function (directoryExists) { return true; } + }; + var program = ts.createProgram([inputFileName], options, compilerHost); + var diagnostics; + if (transpileOptions.reportDiagnostics) { + diagnostics = []; + ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics()); + } + // Emit + program.emit(); + ts.Debug.assert(outputText !== undefined, "Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + /* + * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result. + */ + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + // addRange correctly handles cases when wither 'from' or 'to' argument is missing + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { + var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); + var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + ts.disableIncrementalParsing = false; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + // If we were given a text change range, and our version or open-ness changed, then + // incrementally parse this file. + if (textChangeRange) { + if (version !== sourceFile.version) { + // Once incremental parsing is ready, then just call into this function. + if (!ts.disableIncrementalParsing) { + var newText = void 0; + // grab the fragment from the beginning of the original text to the beginning of the span + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + // grab the fragment from the end of the span till the end of the original text + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + // edit was a deletion - just combine prefix and suffix + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + // it was actual edit, fetch the fragment of new text that correspond to new span + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + // combine prefix, changed text and suffix + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + // after incremental parsing nameTable might not be up-to-date + // drop it so it can be lazily recreated later + newSourceFile.nameTable = undefined; + // dispose all resources held by old script snapshot + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + } + // Otherwise, just create a new source file. + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + if (currentDirectory === void 0) { currentDirectory = ""; } + // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have + // for those settings. + var buckets = {}; + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function getKeyFromCompilationSettings(settings) { + return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; + } + function getBucketForCompilationSettings(settings, createIfMissing) { + var key = getKeyFromCompilationSettings(settings); + var bucket = ts.lookUp(buckets, key); + if (!bucket && createIfMissing) { + buckets[key] = bucket = ts.createFileMap(); + } + return bucket; + } + function reportStats() { + var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = ts.lookUp(buckets, name); + var sourceFiles = []; + entries.forEachValue(function (key, entry) { + sourceFiles.push({ + name: key, + refCount: entry.languageServiceRefCount, + references: entry.owners.slice(0) + }); + }); + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); + } + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ true); + } + function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ false); + } + function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { + var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ true); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + if (!entry) { + ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); + // Have never seen this file with these settings. Create a new source file for it. + var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, /*setNodeParents*/ false); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0, + owners: [] + }; + bucket.set(path, entry); + } + else { + // We have an entry for this file. However, it may be for a different version of + // the script snapshot. If so, update it appropriately. Otherwise, we can just + // return it as is. + if (entry.sourceFile.version !== version) { + entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + } + } + // If we're acquiring, then this is the first time this LS is asking for this document. + // Increase our ref count so we know there's another LS using the document. If we're + // not acquiring, then that means the LS is 'updating' the file instead, and that means + // it has already acquired the document previously. As such, we do not need to increase + // the ref count. + if (acquiring) { + entry.languageServiceRefCount++; + } + return entry.sourceFile; + } + function releaseDocument(fileName, compilationSettings) { + var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ false); + ts.Debug.assert(bucket !== undefined); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + bucket.remove(path); + } + } + return { + acquireDocument: acquireDocument, + updateDocument: updateDocument, + releaseDocument: releaseDocument, + reportStats: reportStats + }; + } + ts.createDocumentRegistry = createDocumentRegistry; + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var referencedFiles = []; + var importedFiles = []; + var ambientExternalModules; + var isNoDefaultLib = false; + function processTripleSlashDirectives() { + var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); + ts.forEach(commentRanges, function (commentRange) { + var comment = sourceText.substring(commentRange.pos, commentRange.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); + if (referencePathMatchResult) { + isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var fileReference = referencePathMatchResult.fileReference; + if (fileReference) { + referencedFiles.push(fileReference); + } + } + }); + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; + } + ambientExternalModules.push(scanner.getTokenValue()); + } + function recordModuleName() { + var importPath = scanner.getTokenValue(); + var pos = scanner.getTokenPos(); + importedFiles.push({ + fileName: importPath, + pos: pos, + end: pos + importPath.length + }); + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeDeclare() { + var token = scanner.getToken(); + if (token === 122 /* DeclareKeyword */) { + // declare module "mod" + token = scanner.scan(); + if (token === 125 /* ModuleKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + recordAmbientExternalModule(); + } + } + return true; + } + return false; + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeImport() { + var token = scanner.getToken(); + if (token === 89 /* ImportKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import "mod"; + recordModuleName(); + return true; + } + else { + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import d from "mod"; + recordModuleName(); + return true; + } + } + else if (token === 56 /* EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + else if (token === 24 /* CommaToken */) { + // consume comma and keep going + token = scanner.scan(); + } + else { + // unknown syntax + return true; + } + } + if (token === 15 /* OpenBraceToken */) { + token = scanner.scan(); + // consume "{ a as B, c, d as D}" clauses + // make sure that it stops on EOF + while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { + token = scanner.scan(); + } + if (token === 16 /* CloseBraceToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import {a as A} from "mod"; + // import d, {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 37 /* AsteriskToken */) { + token = scanner.scan(); + if (token === 116 /* AsKeyword */) { + token = scanner.scan(); + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import * as NS from "mod" + // import d, * as NS from "mod" + recordModuleName(); + } + } + } + } + } + } + return true; + } + return false; + } + function tryConsumeExport() { + var token = scanner.getToken(); + if (token === 82 /* ExportKeyword */) { + token = scanner.scan(); + if (token === 15 /* OpenBraceToken */) { + token = scanner.scan(); + // consume "{ a as B, c, d as D}" clauses + // make sure it stops on EOF + while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { + token = scanner.scan(); + } + if (token === 16 /* CloseBraceToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // export {a as A} from "mod"; + // export {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 37 /* AsteriskToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // export * from "mod" + recordModuleName(); + } + } + } + else if (token === 89 /* ImportKeyword */) { + token = scanner.scan(); + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 56 /* EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + } + } + return true; + } + return false; + } + function tryConsumeRequireCall(skipCurrentToken) { + var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); + if (token === 127 /* RequireKeyword */) { + token = scanner.scan(); + if (token === 17 /* OpenParenToken */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // require("mod"); + recordModuleName(); + } + } + return true; + } + return false; + } + function tryConsumeDefine() { + var token = scanner.getToken(); + if (token === 69 /* Identifier */ && scanner.getTokenValue() === "define") { + token = scanner.scan(); + if (token !== 17 /* OpenParenToken */) { + return true; + } + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // looks like define ("modname", ... - skip string literal and comma + token = scanner.scan(); + if (token === 24 /* CommaToken */) { + token = scanner.scan(); + } + else { + // unexpected token + return true; + } + } + // should be start of dependency list + if (token !== 19 /* OpenBracketToken */) { + return true; + } + // skip open bracket + token = scanner.scan(); + var i = 0; + // scan until ']' or EOF + while (token !== 20 /* CloseBracketToken */ && token !== 1 /* EndOfFileToken */) { + // record string literals as module names + if (token === 9 /* StringLiteral */) { + recordModuleName(); + i++; + } + token = scanner.scan(); + } + return true; + } + return false; + } + function processImports() { + scanner.setText(sourceText); + scanner.scan(); + // Look for: + // import "mod"; + // import d from "mod" + // import {a as A } from "mod"; + // import * as NS from "mod" + // import d, {a, b as B} from "mod" + // import i = require("mod"); + // + // export * from "mod" + // export {a as b} from "mod" + // export import i = require("mod") + // (for JavaScript files) require("mod") + while (true) { + if (scanner.getToken() === 1 /* EndOfFileToken */) { + break; + } + // check if at least one of alternative have moved scanner forward + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false) || tryConsumeDefine()))) { + continue; + } + else { + scanner.scan(); + } + } + scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + processTripleSlashDirectives(); + return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; + } + ts.preProcessFile = preProcessFile; + /// Helpers + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 210 /* LabeledStatement */ && referenceNode.label.text === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + function isJumpStatementTarget(node) { + return node.kind === 69 /* Identifier */ && + (node.parent.kind === 206 /* BreakStatement */ || node.parent.kind === 205 /* ContinueStatement */) && + node.parent.label === node; + } + function isLabelOfLabeledStatement(node) { + return node.kind === 69 /* Identifier */ && + node.parent.kind === 210 /* LabeledStatement */ && + node.parent.label === node; + } + /** + * Whether or not a 'node' is preceded by a label of the given string. + * Note: 'node' cannot be a SourceFile. + */ + function isLabeledBy(node, labelName) { + for (var owner = node.parent; owner.kind === 210 /* LabeledStatement */; owner = owner.parent) { + if (owner.label.text === labelName) { + return true; + } + } + return false; + } + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + function isRightSideOfQualifiedName(node) { + return node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node; + } + function isRightSideOfPropertyAccess(node) { + return node && node.parent && node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node; + } + function isCallExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; + } + function isNewExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node; + } + function isNameOfModuleDeclaration(node) { + return node.parent.kind === 221 /* ModuleDeclaration */ && node.parent.name === node; + } + function isNameOfFunctionDeclaration(node) { + return node.kind === 69 /* Identifier */ && + ts.isFunctionLike(node.parent) && node.parent.name === node; + } + /** Returns true if node is a name of an object literal property, e.g. "a" in x = { "a": 1 } */ + function isNameOfPropertyAssignment(node) { + return (node.kind === 69 /* Identifier */ || node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) && + (node.parent.kind === 248 /* PropertyAssignment */ || node.parent.kind === 249 /* ShorthandPropertyAssignment */) && node.parent.name === node; + } + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + if (node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) { + switch (node.parent.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 250 /* EnumMember */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 221 /* ModuleDeclaration */: + return node.parent.name === node; + case 170 /* ElementAccessExpression */: + return node.parent.argumentExpression === node; + } + } + return false; + } + function isNameOfExternalModuleImportOrDeclaration(node) { + if (node.kind === 9 /* StringLiteral */) { + return isNameOfModuleDeclaration(node) || + (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); + } + return false; + } + /** Returns true if the position is within a comment */ + function isInsideComment(sourceFile, token, position) { + // The position has to be: 1. in the leading trivia (before token.getStart()), and 2. within a comment + return position <= token.getStart(sourceFile) && + (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || + isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); + function isInsideCommentRange(comments) { + return ts.forEach(comments, function (comment) { + // either we are 1. completely inside the comment, or 2. at the end of the comment + if (comment.pos < position && position < comment.end) { + return true; + } + else if (position === comment.end) { + var text = sourceFile.text; + var width = comment.end - comment.pos; + // is single line comment or just /* + if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47 /* slash */) { + return true; + } + else { + // is unterminated multi-line comment + return !(text.charCodeAt(comment.end - 1) === 47 /* slash */ && + text.charCodeAt(comment.end - 2) === 42 /* asterisk */); + } + } + return false; + }); + } + } + var SemanticMeaning; + (function (SemanticMeaning) { + SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; + SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; + SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; + SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; + SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; + })(SemanticMeaning || (SemanticMeaning = {})); + var BreakContinueSearchType; + (function (BreakContinueSearchType) { + BreakContinueSearchType[BreakContinueSearchType["None"] = 0] = "None"; + BreakContinueSearchType[BreakContinueSearchType["Unlabeled"] = 1] = "Unlabeled"; + BreakContinueSearchType[BreakContinueSearchType["Labeled"] = 2] = "Labeled"; + BreakContinueSearchType[BreakContinueSearchType["All"] = 3] = "All"; + })(BreakContinueSearchType || (BreakContinueSearchType = {})); + // A cache of completion entries for keywords, these do not change between sessions + var keywordCompletions = []; + for (var i = 70 /* FirstKeyword */; i <= 135 /* LastKeyword */; i++) { + keywordCompletions.push({ + name: ts.tokenToString(i), + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + sortText: "0" + }); + } + /* @internal */ function getContainerNode(node) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 251 /* SourceFile */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 221 /* ModuleDeclaration */: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + /* @internal */ function getNodeKind(node) { + switch (node.kind) { + case 221 /* ModuleDeclaration */: return ScriptElementKind.moduleElement; + case 217 /* ClassDeclaration */: return ScriptElementKind.classElement; + case 218 /* InterfaceDeclaration */: return ScriptElementKind.interfaceElement; + case 219 /* TypeAliasDeclaration */: return ScriptElementKind.typeElement; + case 220 /* EnumDeclaration */: return ScriptElementKind.enumElement; + case 214 /* VariableDeclaration */: + return ts.isConst(node) + ? ScriptElementKind.constElement + : ts.isLet(node) + ? ScriptElementKind.letElement + : ScriptElementKind.variableElement; + case 216 /* FunctionDeclaration */: return ScriptElementKind.functionElement; + case 146 /* GetAccessor */: return ScriptElementKind.memberGetAccessorElement; + case 147 /* SetAccessor */: return ScriptElementKind.memberSetAccessorElement; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return ScriptElementKind.memberFunctionElement; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return ScriptElementKind.memberVariableElement; + case 150 /* IndexSignature */: return ScriptElementKind.indexSignatureElement; + case 149 /* ConstructSignature */: return ScriptElementKind.constructSignatureElement; + case 148 /* CallSignature */: return ScriptElementKind.callSignatureElement; + case 145 /* Constructor */: return ScriptElementKind.constructorImplementationElement; + case 138 /* TypeParameter */: return ScriptElementKind.typeParameterElement; + case 250 /* EnumMember */: return ScriptElementKind.variableElement; + case 139 /* Parameter */: return (node.flags & 56 /* AccessibilityModifier */) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 226 /* ImportClause */: + case 233 /* ExportSpecifier */: + case 227 /* NamespaceImport */: + return ScriptElementKind.alias; + } + return ScriptElementKind.unknown; + } + ts.getNodeKind = getNodeKind; + var CancellationTokenObject = (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken && this.cancellationToken.isCancellationRequested(); + }; + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + throw new ts.OperationCanceledException(); + } + }; + return CancellationTokenObject; + }()); + function createLanguageService(host, documentRegistry) { + if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var syntaxTreeCache = new SyntaxTreeCache(host); + var ruleProvider; + var program; + var lastProjectVersion; + var useCaseSensitivefileNames = false; + var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); + var currentDirectory = host.getCurrentDirectory(); + // Check if the localized messages json is set, otherwise query the host for it + if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { + ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); + } + function log(message) { + if (host.log) { + host.log(message); + } + } + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + throw new Error("Could not find file: '" + fileName + "'."); + } + return sourceFile; + } + function getRuleProvider(options) { + // Ensure rules are initialized and up to date wrt to formatting options + if (!ruleProvider) { + ruleProvider = new ts.formatting.RulesProvider(); + } + ruleProvider.ensureUpToDate(options); + return ruleProvider; + } + function synchronizeHostData() { + // perform fast check if host supports it + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + // Get a fresh cache of the host information + var hostCache = new HostCache(host, getCanonicalFileName); + // If the program is already up-to-date, we can reuse it + if (programUpToDate()) { + return; + } + // IMPORTANT - It is critical from this moment onward that we do not check + // cancellation tokens. We are about to mutate source files from a previous program + // instance. If we cancel midway through, we may end up in an inconsistent state where + // the program points to old source files that have been invalidated because of + // incremental parsing. + var oldSettings = program && program.getCompilerOptions(); + var newSettings = hostCache.compilationSettings(); + var changesInCompilationSettingsAffectSyntax = oldSettings && + (oldSettings.target !== newSettings.target || + oldSettings.module !== newSettings.module || + oldSettings.noResolve !== newSettings.noResolve || + oldSettings.jsx !== newSettings.jsx || + oldSettings.allowJs !== newSettings.allowJs); + // Now create a new compiler + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, + getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: function (fileName, data, writeByteOrderMark) { }, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: function (fileName) { + // stub missing host functionality + ts.Debug.assert(!host.resolveModuleNames); + return hostCache.getOrCreateEntry(fileName) !== undefined; + }, + readFile: function (fileName) { + // stub missing host functionality + var entry = hostCache.getOrCreateEntry(fileName); + return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); + }, + directoryExists: function (directoryName) { + ts.Debug.assert(!host.resolveModuleNames); + return ts.directoryProbablyExists(directoryName, host); + } + }; + if (host.resolveModuleNames) { + compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + } + var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); + // Release any files we have acquired in the old program but are + // not part of the new program. + if (program) { + var oldSourceFiles = program.getSourceFiles(); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { + documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); + } + } + } + // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point. + // It needs to be cleared to allow all collected snapshots to be released + hostCache = undefined; + program = newProgram; + // Make sure all the nodes in the program are both bound, and have their parent + // pointers set property. + program.getTypeChecker(); + return; + function getOrCreateSourceFile(fileName) { + ts.Debug.assert(hostCache !== undefined); + // The program is asking for this file, check first if the host can locate it. + // If the host can not locate the file, then it does not exist. return undefined + // to the program to allow reporting of errors for missing files. + var hostFileInformation = hostCache.getOrCreateEntry(fileName); + if (!hostFileInformation) { + return undefined; + } + // Check if the language version has changed since we last created a program; if they are the same, + // it is safe to reuse the souceFiles; if not, then the shape of the AST can change, and the oldSourceFile + // can not be reused. we have to dump all syntax trees and create new ones. + if (!changesInCompilationSettingsAffectSyntax) { + // Check if the old program had this file already + var oldSourceFile = program && program.getSourceFile(fileName); + if (oldSourceFile) { + // We already had a source file for this file name. Go to the registry to + // ensure that we get the right up to date version of it. We need this to + // address the following 'race'. Specifically, say we have the following: + // + // LS1 + // \ + // DocumentRegistry + // / + // LS2 + // + // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates + // it's version of 'foo.ts' to version 2. This will cause LS2 and the + // DocumentRegistry to have version 2 of the document. HOwever, LS1 will + // have version 1. And *importantly* this source file will be *corrupt*. + // The act of creating version 2 of the file irrevocably damages the version + // 1 file. + // + // So, later when we call into LS1, we need to make sure that it doesn't use + // it's source file any more, and instead defers to DocumentRegistry to get + // either version 1, version 2 (or some other version) depending on what the + // host says should be used. + return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + } + // Could not find this file in the old program, create a new SourceFile for it. + return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + function sourceFileUpToDate(sourceFile) { + if (!sourceFile) { + return false; + } + var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); + return sourceFile.version === hostCache.getVersion(path); + } + function programUpToDate() { + // If we haven't create a program yet, then it is not up-to-date + if (!program) { + return false; + } + // If number of files in the program do not match, it is not up-to-date + var rootFileNames = hostCache.getRootFileNames(); + if (program.getSourceFiles().length !== rootFileNames.length) { + return false; + } + // If any file is not up-to-date, then the whole program is not up-to-date + for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { + var fileName = rootFileNames_2[_i]; + if (!sourceFileUpToDate(program.getSourceFile(fileName))) { + return false; + } + } + // If the compilation settings do no match, then the program is not up-to-date + return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); + } + } + function getProgram() { + synchronizeHostData(); + return program; + } + function cleanupSemanticCache() { + // TODO: Should we jettison the program (or it's type checker) here? + } + function dispose() { + if (program) { + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); + }); + } + } + /// Diagnostics + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); + } + /** + * getSemanticDiagnostiscs return array of Diagnostics. If '-d' is not enabled, only report semantic errors + * If '-d' enabled, report both semantic and emitter errors + */ + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file. + // Therefore only get diagnostics for given file. + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!program.getCompilerOptions().declaration) { + return semanticDiagnostics; + } + // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return ts.concatenate(semanticDiagnostics, declarationDiagnostics); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); + } + /** + * Get the name to be display in completion from a given symbol. + * + * @return undefined if the name is of external module otherwise a name with striped of any quote + */ + function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { + var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); + if (displayName) { + var firstCharCode = displayName.charCodeAt(0); + // First check of the displayName is not external module; if it is an external module, it is not valid entry + if ((symbol.flags & 1536 /* Namespace */) && (firstCharCode === 39 /* singleQuote */ || firstCharCode === 34 /* doubleQuote */)) { + // If the symbol is external module, don't show it in the completion list + // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there) + return undefined; + } + } + return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); + } + /** + * Get a displayName from a given for completion list, performing any necessary quotes stripping + * and checking whether the name is valid identifier name. + */ + function getCompletionEntryDisplayName(name, target, performCharacterChecks) { + if (!name) { + return undefined; + } + name = ts.stripQuotes(name); + if (!name) { + return undefined; + } + // If the user entered name for the symbol was quoted, removing the quotes is not enough, as the name could be an + // invalid identifier name. We need to check if whatever was inside the quotes is actually a valid identifier name. + // e.g "b a" is valid quoted name but when we strip off the quotes, it is invalid. + // We, thus, need to check if whatever was inside the quotes is actually a valid identifier name. + if (performCharacterChecks) { + if (!ts.isIdentifier(name, target)) { + return undefined; + } + } + return name; + } + function getCompletionData(fileName, position) { + var typeChecker = program.getTypeChecker(); + var sourceFile = getValidSourceFile(fileName); + var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); + var isJsDocTagName = false; + var start = new Date().getTime(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); + log("getCompletionData: Get current token: " + (new Date().getTime() - start)); + start = new Date().getTime(); + // Completion not allowed inside comments, bail out if this is the case + var insideComment = isInsideComment(sourceFile, currentToken, position); + log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); + if (insideComment) { + // The current position is next to the '@' sign, when no tag name being provided yet. + // Provide a full list of tag names + if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64 /* at */) { + isJsDocTagName = true; + } + // Completion should work inside certain JsDoc tags. For example: + // /** @type {number | string} */ + // Completion should work in the brackets + var insideJsDocTagExpression = false; + var tag = ts.getJsDocTagAtPosition(sourceFile, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + isJsDocTagName = true; + } + switch (tag.kind) { + case 272 /* JSDocTypeTag */: + case 270 /* JSDocParameterTag */: + case 271 /* JSDocReturnTag */: + var tagWithExpression = tag; + if (tagWithExpression.typeExpression) { + insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; + } + break; + } + } + if (isJsDocTagName) { + return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; + } + if (!insideJsDocTagExpression) { + // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal + // comment or the plain text part of a jsDoc comment, so no completion should be available + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; + } + } + start = new Date().getTime(); + var previousToken = ts.findPrecedingToken(position, sourceFile); + log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); + // The decision to provide completion depends on the contextToken, which is determined through the previousToken. + // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file + var contextToken = previousToken; + // Check if the caret is at the end of an identifier; this is a partial identifier that we want to complete: e.g. a.toS| + // Skip this partial identifier and adjust the contextToken to the token that precedes it. + if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { + var start_6 = new Date().getTime(); + contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); + log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); + } + // Find the node where completion is requested on. + // Also determine whether we are trying to complete with members of that node + // or attributes of a JSX tag. + var node = currentToken; + var isRightOfDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var location = ts.getTouchingPropertyName(sourceFile, position); + if (contextToken) { + // Bail out if this is a known invalid completion location + if (isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return undefined; + } + var parent_11 = contextToken.parent, kind = contextToken.kind; + if (kind === 21 /* DotToken */) { + if (parent_11.kind === 169 /* PropertyAccessExpression */) { + node = contextToken.parent.expression; + isRightOfDot = true; + } + else if (parent_11.kind === 136 /* QualifiedName */) { + node = contextToken.parent.left; + isRightOfDot = true; + } + else { + // There is nothing that precedes the dot, so this likely just a stray character + // or leading into a '...' token. Just bail out instead. + return undefined; + } + } + else if (sourceFile.languageVariant === 1 /* JSX */) { + if (kind === 25 /* LessThanToken */) { + isRightOfOpenTag = true; + location = contextToken; + } + else if (kind === 39 /* SlashToken */ && contextToken.parent.kind === 240 /* JsxClosingElement */) { + isStartingCloseTag = true; + location = contextToken; + } + } + } + var semanticStart = new Date().getTime(); + var isMemberCompletion; + var isNewIdentifierLocation; + var symbols = []; + if (isRightOfDot) { + getTypeScriptMemberSymbols(); + } + else if (isRightOfOpenTag) { + var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); + if (tryGetGlobalSymbols()) { + symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455 /* Value */); })); + } + else { + symbols = tagSymbols; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (!typeChecker.isUnknownSymbol(tagSymbol)) { + symbols = [tagSymbol]; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else { + // For JavaScript or TypeScript, if we're not after a dot, then just try to get the + // global symbols in scope. These results should be valid for either language as + // the set of symbols that can be referenced from this location. + if (!tryGetGlobalSymbols()) { + return undefined; + } + } + log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); + return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; + function getTypeScriptMemberSymbols() { + // Right of dot member completion list + isMemberCompletion = true; + isNewIdentifierLocation = false; + if (node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */) { + var symbol = typeChecker.getSymbolAtLocation(node); + // This is an alias, follow what it aliases + if (symbol && symbol.flags & 8388608 /* Alias */) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + if (symbol && symbol.flags & 1952 /* HasExports */) { + // Extract module or enum members + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.forEach(exportedSymbols, function (symbol) { + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + }); + } + } + var type = typeChecker.getTypeAtLocation(node); + addTypeProperties(type); + } + function addTypeProperties(type) { + if (type) { + // Filter private properties + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + } + if (isJavaScriptFile && type.flags & 16384 /* Union */) { + // In javascript files, for union types, we don't just get the members that + // the individual types have in common, we also include all the members that + // each individual type has. This is because we're going to add all identifiers + // anyways. So we might as well elevate the members that were at least part + // of the individual types to a higher status since we know what they are. + var unionType = type; + for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { + var elementType = _c[_b]; + addTypeProperties(elementType); + } + } + } + } + function tryGetGlobalSymbols() { + var objectLikeContainer; + var namedImportsOrExports; + var jsxContainer; + if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { + return tryGetObjectLikeCompletionSymbols(objectLikeContainer); + } + if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { + // cursor is in an import clause + // try to show exported member for imported module + return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); + } + if (jsxContainer = tryGetContainingJsxElement(contextToken)) { + var attrsType = void 0; + if ((jsxContainer.kind === 237 /* JsxSelfClosingElement */) || (jsxContainer.kind === 238 /* JsxOpeningElement */)) { + // Cursor is inside a JSX self-closing element or opening element + attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); + if (attrsType) { + symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); + isMemberCompletion = true; + isNewIdentifierLocation = false; + return true; + } + } + } + // Get all entities in the current scope. + isMemberCompletion = false; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + // We need to find the node that will give us an appropriate scope to begin + // aggregating completion candidates. This is achieved in 'getScopeNode' + // by finding the first node that encompasses a position, accounting for whether a node + // is "complete" to decide whether a position belongs to the node. + // + // However, at the end of an identifier, we are interested in the scope of the identifier + // itself, but fall outside of the identifier. For instance: + // + // xyz => x$ + // + // the cursor is outside of both the 'x' and the arrow function 'xyz => x', + // so 'xyz' is not returned in our results. + // + // We define 'adjustedPosition' so that we may appropriately account for + // being at the end of an identifier. The intention is that if requesting completion + // at the end of an identifier, it should be effectively equivalent to requesting completion + // anywhere inside/at the beginning of the identifier. So in the previous case, the + // 'adjustedPosition' will work as if requesting completion in the following: + // + // xyz => $x + // + // If previousToken !== contextToken, then + // - 'contextToken' was adjusted to the token prior to 'previousToken' + // because we were at the end of an identifier. + // - 'previousToken' is defined. + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + /// TODO filter meaning based on the current context + var symbolMeanings = 793056 /* Type */ | 107455 /* Value */ | 1536 /* Namespace */ | 8388608 /* Alias */; + symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); + return true; + } + /** + * Finds the first node that "embraces" the position, so that one may + * accurately aggregate locals from the closest containing scope. + */ + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; + } + return scope; + } + function isCompletionListBlocker(contextToken) { + var start = new Date().getTime(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 239 /* JsxText */) { + return true; + } + if (contextToken.kind === 27 /* GreaterThanToken */ && contextToken.parent) { + if (contextToken.parent.kind === 238 /* JsxOpeningElement */) { + return true; + } + if (contextToken.parent.kind === 240 /* JsxClosingElement */ || contextToken.parent.kind === 237 /* JsxSelfClosingElement */) { + return contextToken.parent.parent && contextToken.parent.parent.kind === 236 /* JsxElement */; + } + } + return false; + } + function isNewIdentifierDefinitionLocation(previousToken) { + if (previousToken) { + var containingNodeKind = previousToken.parent.kind; + switch (previousToken.kind) { + case 24 /* CommaToken */: + return containingNodeKind === 171 /* CallExpression */ // func( a, | + || containingNodeKind === 145 /* Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */ + || containingNodeKind === 172 /* NewExpression */ // new C(a, | + || containingNodeKind === 167 /* ArrayLiteralExpression */ // [a, | + || containingNodeKind === 184 /* BinaryExpression */ // const x = (a, | + || containingNodeKind === 153 /* FunctionType */; // var x: (s: string, list| + case 17 /* OpenParenToken */: + return containingNodeKind === 171 /* CallExpression */ // func( | + || containingNodeKind === 145 /* Constructor */ // constructor( | + || containingNodeKind === 172 /* NewExpression */ // new C(a| + || containingNodeKind === 175 /* ParenthesizedExpression */ // const x = (a| + || containingNodeKind === 161 /* ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */ + case 19 /* OpenBracketToken */: + return containingNodeKind === 167 /* ArrayLiteralExpression */ // [ | + || containingNodeKind === 150 /* IndexSignature */ // [ | : string ] + || containingNodeKind === 137 /* ComputedPropertyName */; // [ | /* this can become an index signature */ + case 125 /* ModuleKeyword */: // module | + case 126 /* NamespaceKeyword */: + return true; + case 21 /* DotToken */: + return containingNodeKind === 221 /* ModuleDeclaration */; // module A.| + case 15 /* OpenBraceToken */: + return containingNodeKind === 217 /* ClassDeclaration */; // class A{ | + case 56 /* EqualsToken */: + return containingNodeKind === 214 /* VariableDeclaration */ // const x = a| + || containingNodeKind === 184 /* BinaryExpression */; // x = a| + case 12 /* TemplateHead */: + return containingNodeKind === 186 /* TemplateExpression */; // `aa ${| + case 13 /* TemplateMiddle */: + return containingNodeKind === 193 /* TemplateSpan */; // `aa ${10} dd ${| + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return containingNodeKind === 142 /* PropertyDeclaration */; // class A{ public | + } + // Previous token may have been a keyword that was converted to an identifier. + switch (previousToken.getText()) { + case "public": + case "protected": + case "private": + return true; + } + } + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + if (contextToken.kind === 9 /* StringLiteral */ + || contextToken.kind === 163 /* StringLiteralType */ + || contextToken.kind === 10 /* RegularExpressionLiteral */ + || ts.isTemplateLiteralKind(contextToken.kind)) { + var start_7 = contextToken.getStart(); + var end = contextToken.getEnd(); + // To be "in" one of these literals, the position has to be: + // 1. entirely within the token text. + // 2. at the end position of an unterminated token. + // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). + if (start_7 < position && position < end) { + return true; + } + if (position === end) { + return !!contextToken.isUnterminated + || contextToken.kind === 10 /* RegularExpressionLiteral */; + } + } + return false; + } + /** + * Aggregates relevant symbols for completion in object literals and object binding patterns. + * Relevant symbols are stored in the captured 'symbols' variable. + * + * @returns true if 'symbols' was successfully populated; false otherwise. + */ + function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { + // We're looking up possible property names from contextual/inferred/declared type. + isMemberCompletion = true; + var typeForObject; + var existingMembers; + if (objectLikeContainer.kind === 168 /* ObjectLiteralExpression */) { + // We are completing on contextual types, but may also include properties + // other than those within the declared type. + isNewIdentifierLocation = true; + typeForObject = typeChecker.getContextualType(objectLikeContainer); + existingMembers = objectLikeContainer.properties; + } + else if (objectLikeContainer.kind === 164 /* ObjectBindingPattern */) { + // We are *only* completing on properties from the type being destructured. + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (ts.isVariableLike(rootDeclaration)) { + // We don't want to complete using the type acquired by the shape + // of the binding pattern; we are only interested in types acquired + // through type declaration or inference. + if (rootDeclaration.initializer || rootDeclaration.type) { + typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); + existingMembers = objectLikeContainer.elements; + } + } + else { + ts.Debug.fail("Root declaration is not variable-like."); + } + } + else { + ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); + } + if (!typeForObject) { + return false; + } + var typeMembers = typeChecker.getPropertiesOfType(typeForObject); + if (typeMembers && typeMembers.length > 0) { + // Add filtered items to the completion list + symbols = filterObjectMembersList(typeMembers, existingMembers); + } + return true; + } + /** + * Aggregates relevant symbols for completion in import clauses and export clauses + * whose declarations have a module specifier; for instance, symbols will be aggregated for + * + * import { | } from "moduleName"; + * export { a as foo, | } from "moduleName"; + * + * but not for + * + * export { | }; + * + * Relevant symbols are stored in the captured 'symbols' variable. + * + * @returns true if 'symbols' was successfully populated; false otherwise. + */ + function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { + var declarationKind = namedImportsOrExports.kind === 228 /* NamedImports */ ? + 225 /* ImportDeclaration */ : + 231 /* ExportDeclaration */; + var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); + var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; + if (!moduleSpecifier) { + return false; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + var exports; + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); + if (moduleSpecifierSymbol) { + exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); + } + symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; + return true; + } + /** + * Returns the immediate owning object literal or binding pattern of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15 /* OpenBraceToken */: // const x = { | + case 24 /* CommaToken */: + var parent_12 = contextToken.parent; + if (parent_12 && (parent_12.kind === 168 /* ObjectLiteralExpression */ || parent_12.kind === 164 /* ObjectBindingPattern */)) { + return parent_12; + } + break; + } + } + return undefined; + } + /** + * Returns the containing list of named imports or exports of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetNamedImportsOrExportsForCompletion(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15 /* OpenBraceToken */: // import { | + case 24 /* CommaToken */: + switch (contextToken.parent.kind) { + case 228 /* NamedImports */: + case 232 /* NamedExports */: + return contextToken.parent; + } + } + } + return undefined; + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent_13 = contextToken.parent; + switch (contextToken.kind) { + case 26 /* LessThanSlashToken */: + case 39 /* SlashToken */: + case 69 /* Identifier */: + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + if (parent_13 && (parent_13.kind === 237 /* JsxSelfClosingElement */ || parent_13.kind === 238 /* JsxOpeningElement */)) { + return parent_13; + } + else if (parent_13.kind === 241 /* JsxAttribute */) { + return parent_13.parent; + } + break; + // The context token is the closing } or " of an attribute, which means + // its parent is a JsxExpression, whose parent is a JsxAttribute, + // whose parent is a JsxOpeningLikeElement + case 9 /* StringLiteral */: + if (parent_13 && ((parent_13.kind === 241 /* JsxAttribute */) || (parent_13.kind === 242 /* JsxSpreadAttribute */))) { + return parent_13.parent; + } + break; + case 16 /* CloseBraceToken */: + if (parent_13 && + parent_13.kind === 243 /* JsxExpression */ && + parent_13.parent && + (parent_13.parent.kind === 241 /* JsxAttribute */)) { + return parent_13.parent.parent; + } + if (parent_13 && parent_13.kind === 242 /* JsxSpreadAttribute */) { + return parent_13.parent; + } + break; + } + } + return undefined; + } + function isFunction(kind) { + switch (kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return true; + } + return false; + } + /** + * @returns true if we are certain that the currently edited location must define a new location; false otherwise. + */ + function isSolelyIdentifierDefinitionLocation(contextToken) { + var containingNodeKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 24 /* CommaToken */: + return containingNodeKind === 214 /* VariableDeclaration */ || + containingNodeKind === 215 /* VariableDeclarationList */ || + containingNodeKind === 196 /* VariableStatement */ || + containingNodeKind === 220 /* EnumDeclaration */ || + isFunction(containingNodeKind) || + containingNodeKind === 217 /* ClassDeclaration */ || + containingNodeKind === 189 /* ClassExpression */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 165 /* ArrayBindingPattern */ || + containingNodeKind === 219 /* TypeAliasDeclaration */; // type Map, K, | + case 21 /* DotToken */: + return containingNodeKind === 165 /* ArrayBindingPattern */; // var [.| + case 54 /* ColonToken */: + return containingNodeKind === 166 /* BindingElement */; // var {x :html| + case 19 /* OpenBracketToken */: + return containingNodeKind === 165 /* ArrayBindingPattern */; // var [x| + case 17 /* OpenParenToken */: + return containingNodeKind === 247 /* CatchClause */ || + isFunction(containingNodeKind); + case 15 /* OpenBraceToken */: + return containingNodeKind === 220 /* EnumDeclaration */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 156 /* TypeLiteral */; // const x : { | + case 23 /* SemicolonToken */: + return containingNodeKind === 141 /* PropertySignature */ && + contextToken.parent && contextToken.parent.parent && + (contextToken.parent.parent.kind === 218 /* InterfaceDeclaration */ || + contextToken.parent.parent.kind === 156 /* TypeLiteral */); // const x : { a; | + case 25 /* LessThanToken */: + return containingNodeKind === 217 /* ClassDeclaration */ || + containingNodeKind === 189 /* ClassExpression */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 219 /* TypeAliasDeclaration */ || + isFunction(containingNodeKind); + case 113 /* StaticKeyword */: + return containingNodeKind === 142 /* PropertyDeclaration */; + case 22 /* DotDotDotToken */: + return containingNodeKind === 139 /* Parameter */ || + (contextToken.parent && contextToken.parent.parent && + contextToken.parent.parent.kind === 165 /* ArrayBindingPattern */); // var [...z| + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return containingNodeKind === 139 /* Parameter */; + case 116 /* AsKeyword */: + return containingNodeKind === 229 /* ImportSpecifier */ || + containingNodeKind === 233 /* ExportSpecifier */ || + containingNodeKind === 227 /* NamespaceImport */; + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + case 107 /* InterfaceKeyword */: + case 87 /* FunctionKeyword */: + case 102 /* VarKeyword */: + case 123 /* GetKeyword */: + case 129 /* SetKeyword */: + case 89 /* ImportKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + case 114 /* YieldKeyword */: + case 132 /* TypeKeyword */: + return true; + } + // Previous token may have been a keyword that was converted to an identifier. + switch (contextToken.getText()) { + case "abstract": + case "async": + case "class": + case "const": + case "declare": + case "enum": + case "function": + case "interface": + case "let": + case "private": + case "protected": + case "public": + case "static": + case "var": + case "yield": + return true; + } + return false; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8 /* NumericLiteral */) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + /** + * Filters out completion suggestions for named imports or exports. + * + * @param exportsOfModule The list of symbols which a module exposes. + * @param namedImportsOrExports The list of existing import/export specifiers in the import/export clause. + * + * @returns Symbols to be suggested at an import/export clause, barring those whose named imports/exports + * do not occur at the current position and have not otherwise been typed. + */ + function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { + var exisingImportsOrExports = {}; + for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { + var element = namedImportsOrExports_1[_i]; + // If this is the current item we are editing right now, do not filter it out + if (element.getStart() <= position && position <= element.getEnd()) { + continue; + } + var name_35 = element.propertyName || element.name; + exisingImportsOrExports[name_35.text] = true; + } + if (ts.isEmpty(exisingImportsOrExports)) { + return exportsOfModule; + } + return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); + } + /** + * Filters out completion suggestions for named imports or exports. + * + * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations + * do not occur at the current position and have not otherwise been typed. + */ + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (!existingMembers || existingMembers.length === 0) { + return contextualMemberSymbols; + } + var existingMemberNames = {}; + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + // Ignore omitted expressions for missing members + if (m.kind !== 248 /* PropertyAssignment */ && + m.kind !== 249 /* ShorthandPropertyAssignment */ && + m.kind !== 166 /* BindingElement */ && + m.kind !== 144 /* MethodDeclaration */) { + continue; + } + // If this is the current item we are editing right now, do not filter it out + if (m.getStart() <= position && position <= m.getEnd()) { + continue; + } + var existingName = void 0; + if (m.kind === 166 /* BindingElement */ && m.propertyName) { + // include only identifiers in completion list + if (m.propertyName.kind === 69 /* Identifier */) { + existingName = m.propertyName.text; + } + } + else { + // TODO(jfreeman): Account for computed property name + // NOTE: if one only performs this step when m.name is an identifier, + // things like '__proto__' are not filtered out. + existingName = m.name.text; + } + existingMemberNames[existingName] = true; + } + return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); + } + /** + * Filters out completion suggestions from 'symbols' according to existing JSX attributes. + * + * @returns Symbols to be suggested in a JSX element, barring those whose attributes + * do not occur at the current position and have not otherwise been typed. + */ + function filterJsxAttributes(symbols, attributes) { + var seenNames = {}; + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + // If this is the current item we are editing right now, do not filter it out + if (attr.getStart() <= position && position <= attr.getEnd()) { + continue; + } + if (attr.kind === 241 /* JsxAttribute */) { + seenNames[attr.name.text] = true; + } + } + return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); + } + } + function getCompletionsAtPosition(fileName, position) { + synchronizeHostData(); + var completionData = getCompletionData(fileName, position); + if (!completionData) { + return undefined; + } + var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; + if (isJsDocTagName) { + // If the current position is a jsDoc tag name, only tag names should be provided for completion + return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; + } + var sourceFile = getValidSourceFile(fileName); + var entries = []; + if (ts.isSourceFileJavaScript(sourceFile)) { + var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); + ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); + } + else { + if (!symbols || symbols.length === 0) { + if (sourceFile.languageVariant === 1 /* JSX */ && + location.parent && location.parent.kind === 240 /* JsxClosingElement */) { + // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag, + // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element. + // For example: + // var x =
completion list at "1" will contain "div" with type any + var tagName = location.parent.parent.openingElement.tagName; + entries.push({ + name: tagName.text, + kind: undefined, + kindModifiers: undefined, + sortText: "0" + }); + } + else { + return undefined; + } + } + getCompletionEntriesFromSymbols(symbols, entries); + } + // Add keywords if this is not a member completion list + if (!isMemberCompletion && !isJsDocTagName) { + ts.addRange(entries, keywordCompletions); + } + return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; + function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { + var entries = []; + var target = program.getCompilerOptions().target; + var nameTable = getNameTable(sourceFile); + for (var name_36 in nameTable) { + // Skip identifiers produced only from the current location + if (nameTable[name_36] === position) { + continue; + } + if (!uniqueNames[name_36]) { + uniqueNames[name_36] = name_36; + var displayName = getCompletionEntryDisplayName(name_36, target, /*performCharacterChecks*/ true); + if (displayName) { + var entry = { + name: displayName, + kind: ScriptElementKind.warning, + kindModifiers: "", + sortText: "1" + }; + entries.push(entry); + } + } + } + return entries; + } + function getAllJsDocCompletionEntries() { + return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: ScriptElementKind.keyword, + kindModifiers: "", + sortText: "0" + }; + })); + } + function createCompletionEntry(symbol, location) { + // Try to get a valid display name for this symbol, if we could not find one, then ignore it. + // We would like to only show things that can be added after a dot, so for instance numeric properties can + // not be accessed with a dot (a.1 <- invalid) + var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, /*performCharacterChecks*/ true, location); + if (!displayName) { + return undefined; + } + // TODO(drosen): Right now we just permit *all* semantic meanings when calling + // 'getSymbolKind' which is permissible given that it is backwards compatible; but + // really we should consider passing the meaning for the node so that we don't report + // that a suggestion for a value is an interface. We COULD also just do what + // 'getSymbolModifiers' does, which is to use the first declaration. + // Use a 'sortText' of 0' so that all symbol completion entries come before any other + // entries (like JavaScript identifier entries). + return { + name: displayName, + kind: getSymbolKind(symbol, location), + kindModifiers: getSymbolModifiers(symbol), + sortText: "0" + }; + } + function getCompletionEntriesFromSymbols(symbols, entries) { + var start = new Date().getTime(); + var uniqueNames = {}; + if (symbols) { + for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { + var symbol = symbols_4[_i]; + var entry = createCompletionEntry(symbol, location); + if (entry) { + var id = ts.escapeIdentifier(entry.name); + if (!ts.lookUp(uniqueNames, id)) { + entries.push(entry); + uniqueNames[id] = id; + } + } + } + } + log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); + return uniqueNames; + } + } + function getCompletionEntryDetails(fileName, position, entryName) { + synchronizeHostData(); + // Compute all the completion symbols again. + var completionData = getCompletionData(fileName, position); + if (completionData) { + var symbols = completionData.symbols, location_2 = completionData.location; + // Find the symbol with the matching entry name. + var target_2 = program.getCompilerOptions().target; + // We don't need to perform character checks here because we're only comparing the + // name against 'entryName' (which is known to be good), not building a new + // completion entry. + var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, /*performCharacterChecks*/ false, location_2) === entryName ? s : undefined; }); + if (symbol) { + var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7 /* All */), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; + return { + name: entryName, + kindModifiers: getSymbolModifiers(symbol), + kind: symbolKind, + displayParts: displayParts, + documentation: documentation + }; + } + } + // Didn't find a symbol with this name. See if we can find a keyword instead. + var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); + if (keywordCompletion) { + return { + name: entryName, + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], + documentation: undefined + }; + } + return undefined; + } + // TODO(drosen): use contextual SemanticMeaning. + function getSymbolKind(symbol, location) { + var flags = symbol.getFlags(); + if (flags & 32 /* Class */) + return ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */) ? + ScriptElementKind.localClassElement : ScriptElementKind.classElement; + if (flags & 384 /* Enum */) + return ScriptElementKind.enumElement; + if (flags & 524288 /* TypeAlias */) + return ScriptElementKind.typeElement; + if (flags & 64 /* Interface */) + return ScriptElementKind.interfaceElement; + if (flags & 262144 /* TypeParameter */) + return ScriptElementKind.typeParameterElement; + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); + if (result === ScriptElementKind.unknown) { + if (flags & 262144 /* TypeParameter */) + return ScriptElementKind.typeParameterElement; + if (flags & 8 /* EnumMember */) + return ScriptElementKind.variableElement; + if (flags & 8388608 /* Alias */) + return ScriptElementKind.alias; + if (flags & 1536 /* Module */) + return ScriptElementKind.moduleElement; + } + return result; + } + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { + var typeChecker = program.getTypeChecker(); + if (typeChecker.isUndefinedSymbol(symbol)) { + return ScriptElementKind.variableElement; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return ScriptElementKind.localVariableElement; + } + if (flags & 3 /* Variable */) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return ScriptElementKind.parameterElement; + } + else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { + return ScriptElementKind.constElement; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return ScriptElementKind.letElement; + } + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; + } + if (flags & 16 /* Function */) + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; + if (flags & 32768 /* GetAccessor */) + return ScriptElementKind.memberGetAccessorElement; + if (flags & 65536 /* SetAccessor */) + return ScriptElementKind.memberSetAccessorElement; + if (flags & 8192 /* Method */) + return ScriptElementKind.memberFunctionElement; + if (flags & 16384 /* Constructor */) + return ScriptElementKind.constructorImplementationElement; + if (flags & 4 /* Property */) { + if (flags & 268435456 /* SyntheticProperty */) { + // If union property is result of union of non method (property/accessors/variables), it is labeled as property + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 /* PropertyOrAccessor */ | 3 /* Variable */)) { + return ScriptElementKind.memberVariableElement; + } + ts.Debug.assert(!!(rootSymbolFlags & 8192 /* Method */)); + }); + if (!unionPropertyKind) { + // If this was union of all methods, + // make sure it has call signatures before we can label it as method + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return ScriptElementKind.memberFunctionElement; + } + return ScriptElementKind.memberVariableElement; + } + return unionPropertyKind; + } + return ScriptElementKind.memberVariableElement; + } + return ScriptElementKind.unknown; + } + function getSymbolModifiers(symbol) { + return symbol && symbol.declarations && symbol.declarations.length > 0 + ? ts.getNodeModifiers(symbol.declarations[0]) + : ScriptElementKindModifier.none; + } + // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location + function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { + if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } + var typeChecker = program.getTypeChecker(); + var displayParts = []; + var documentation; + var symbolFlags = symbol.flags; + var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); + var hasAddedSymbolInfo; + var type; + // Class at constructor site need to be shown as constructor apart from property,method, vars + if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 /* Class */ || symbolFlags & 8388608 /* Alias */) { + // If it is accessor they are allowed only if location is at name of the accessor + if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { + symbolKind = ScriptElementKind.memberVariableElement; + } + var signature = void 0; + type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (type) { + if (location.parent && location.parent.kind === 169 /* PropertyAccessExpression */) { + var right = location.parent.name; + // Either the location is on the right of a property access, or on the left and the right is missing + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + // try get the call/construct signature from the type if it matches + var callExpression = void 0; + if (location.kind === 171 /* CallExpression */ || location.kind === 172 /* NewExpression */) { + callExpression = location; + } + else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { + callExpression = location.parent; + } + if (callExpression) { + var candidateSignatures = []; + signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); + if (!signature && candidateSignatures.length) { + // Use the first candidate: + signature = candidateSignatures[0]; + } + var useConstructSignatures = callExpression.kind === 172 /* NewExpression */ || callExpression.expression.kind === 95 /* SuperKeyword */; + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + // Get the first signature if there is one -- allSignatures may contain + // either the original signature or its target, so check for either + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32 /* Class */)) { + // Constructor + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 8388608 /* Alias */) { + symbolKind = ScriptElementKind.alias; + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case ScriptElementKind.memberVariableElement: + case ScriptElementKind.variableElement: + case ScriptElementKind.constElement: + case ScriptElementKind.letElement: + case ScriptElementKind.parameterElement: + case ScriptElementKind.localVariableElement: + // If it is call or construct signature of lambda's write type name + displayParts.push(ts.punctuationPart(54 /* ColonToken */)); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + if (!(type.flags & 65536 /* Anonymous */)) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); + } + addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); + break; + default: + // Just signature + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + } + } + else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304 /* Accessor */)) || + (location.kind === 121 /* ConstructorKeyword */ && location.parent.kind === 145 /* Constructor */)) { + // get the signature from the declaration and write it + var functionDeclaration = location.parent; + var allSignatures = functionDeclaration.kind === 145 /* Constructor */ ? type.getConstructSignatures() : type.getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration.kind === 145 /* Constructor */) { + // show (constructor) Type(...) signature + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + // (function/method) symbol(..signature) + addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 /* CallSignature */ && + !(type.symbol.flags & 2048 /* TypeLiteral */ || type.symbol.flags & 4096 /* ObjectLiteral */) ? type.symbol : symbol, symbolKind); + } + addSignatureDisplayParts(signature, allSignatures); + hasAddedSymbolInfo = true; + } + } + } + if (symbolFlags & 32 /* Class */ && !hasAddedSymbolInfo) { + if (ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */)) { + // Special case for class expressions because we would like to indicate that + // the class name is local to the class body (similar to function expression) + // (local class) class + pushTypePart(ScriptElementKind.localClassElement); + } + else { + // Class declaration has name which is not local. + displayParts.push(ts.keywordPart(73 /* ClassKeyword */)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64 /* Interface */) && (semanticMeaning & 2 /* Type */)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(107 /* InterfaceKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if (symbolFlags & 524288 /* TypeAlias */) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); + } + if (symbolFlags & 384 /* Enum */) { + addNewLineIfDisplayPartsExist(); + if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { + displayParts.push(ts.keywordPart(74 /* ConstKeyword */)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(81 /* EnumKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536 /* Module */) { + addNewLineIfDisplayPartsExist(); + var declaration = ts.getDeclarationOfKind(symbol, 221 /* ModuleDeclaration */); + var isNamespace = declaration && declaration.name && declaration.name.kind === 69 /* Identifier */; + displayParts.push(ts.keywordPart(isNamespace ? 126 /* NamespaceKeyword */ : 125 /* ModuleKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144 /* TypeParameter */) && (semanticMeaning & 2 /* Type */)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(90 /* InKeyword */)); + displayParts.push(ts.spacePart()); + if (symbol.parent) { + // Class/Interface type parameter + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + // Method/function type parameter + var declaration = ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */); + ts.Debug.assert(declaration !== undefined); + declaration = declaration.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + var signature = typeChecker.getSignatureFromDeclaration(declaration); + if (declaration.kind === 149 /* ConstructSignature */) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 148 /* CallSignature */ && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* WriteTypeArgumentsOfSignature */)); + } + else { + // Type alias type parameter + // For example + // type list = T[]; // Both T will go through same code path + displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } + } + } + } + if (symbolFlags & 8 /* EnumMember */) { + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = symbol.declarations[0]; + if (declaration.kind === 250 /* EnumMember */) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); + } + } + } + if (symbolFlags & 8388608 /* Alias */) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(89 /* ImportKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 224 /* ImportEqualsDeclaration */) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(127 /* RequireKeyword */)); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } + return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== ScriptElementKind.unknown) { + if (type) { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + // For properties, variables and local vars: show the type + if (symbolKind === ScriptElementKind.memberVariableElement || + symbolFlags & 3 /* Variable */ || + symbolKind === ScriptElementKind.localVariableElement) { + displayParts.push(ts.punctuationPart(54 /* ColonToken */)); + displayParts.push(ts.spacePart()); + // If the type is type parameter, format it specially + if (type.symbol && type.symbol.flags & 262144 /* TypeParameter */) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + } + else if (symbolFlags & 16 /* Function */ || + symbolFlags & 8192 /* Method */ || + symbolFlags & 16384 /* Constructor */ || + symbolFlags & 131072 /* Signature */ || + symbolFlags & 98304 /* Accessor */ || + symbolKind === ScriptElementKind.memberFunctionElement) { + var allSignatures = type.getCallSignatures(); + addSignatureDisplayParts(allSignatures[0], allSignatures); + } + } + } + else { + symbolKind = getSymbolKind(symbol, location); + } + } + if (!documentation) { + documentation = symbol.getDocumentationComment(); + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; + function addNewLineIfDisplayPartsExist() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + } + function addFullSymbolName(symbol, enclosingDeclaration) { + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */ | 2 /* UseOnlyExternalAliasing */); + ts.addRange(displayParts, fullSymbolDisplayParts); + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + addNewLineIfDisplayPartsExist(); + if (symbolKind) { + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + function pushTypePart(symbolKind) { + switch (symbolKind) { + case ScriptElementKind.variableElement: + case ScriptElementKind.functionElement: + case ScriptElementKind.letElement: + case ScriptElementKind.constElement: + case ScriptElementKind.constructorImplementationElement: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; + default: + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + return; + } + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* WriteTypeArgumentsOfSignature */)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.operatorPart(35 /* PlusToken */)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + documentation = signature.getDocumentationComment(); + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (isLabelName(node)) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + // Try getting just type at this position and show + switch (node.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + case 97 /* ThisKeyword */: + case 162 /* ThisType */: + case 95 /* SuperKeyword */: + // For the identifiers/this/super etc get the type at position + var type = typeChecker.getTypeAtLocation(node); + if (type) { + return { + kind: ScriptElementKind.unknown, + kindModifiers: ScriptElementKindModifier.none, + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), + documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined + }; + } + } + return undefined; + } + var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); + return { + kind: displayPartsDocumentationsAndKind.symbolKind, + kindModifiers: getSymbolModifiers(symbol), + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: displayPartsDocumentationsAndKind.displayParts, + documentation: displayPartsDocumentationsAndKind.documentation + }; + } + function createDefinitionInfo(node, symbolKind, symbolName, containerName) { + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + kind: symbolKind, + name: symbolName, + containerKind: undefined, + containerName: containerName + }; + } + function getDefinitionFromSymbol(symbol, node) { + var typeChecker = program.getTypeChecker(); + var result = []; + var declarations = symbol.getDeclarations(); + var symbolName = typeChecker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol + var symbolKind = getSymbolKind(symbol, node); + var containerSymbol = symbol.parent; + var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; + if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && + !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { + // Just add all the declarations. + ts.forEach(declarations, function (declaration) { + result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); + }); + } + return result; + function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { + // Applicable only if we are in a new expression, or we are on a constructor declaration + // and in either case the symbol has a construct signature definition, i.e. class + if (isNewExpressionTarget(location) || location.kind === 121 /* ConstructorKeyword */) { + if (symbol.flags & 32 /* Class */) { + // Find the first class-like declaration and try to get the construct signature. + for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isClassLike(declaration)) { + return tryAddSignature(declaration.members, + /*selectConstructors*/ true, symbolKind, symbolName, containerName, result); + } + } + ts.Debug.fail("Expected declaration to have at least one class-like declaration"); + } + } + return false; + } + function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { + return tryAddSignature(symbol.declarations, /*selectConstructors*/ false, symbolKind, symbolName, containerName, result); + } + return false; + } + function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { + var declarations = []; + var definition; + ts.forEach(signatureDeclarations, function (d) { + if ((selectConstructors && d.kind === 145 /* Constructor */) || + (!selectConstructors && (d.kind === 216 /* FunctionDeclaration */ || d.kind === 144 /* MethodDeclaration */ || d.kind === 143 /* MethodSignature */))) { + declarations.push(d); + if (d.body) + definition = d; + } + }); + if (definition) { + result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); + return true; + } + else if (declarations.length) { + result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); + return true; + } + return false; + } + } + /// Goto definition + function getDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + // Labels + if (isJumpStatementTarget(node)) { + var labelName = node.text; + var label = getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, /*containerName*/ undefined)] : undefined; + } + /// Triple slash reference comments + var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); + if (comment) { + var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); + if (referenceFile) { + return [{ + fileName: referenceFile.fileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: ScriptElementKind.scriptElement, + name: comment.fileName, + containerName: undefined, + containerKind: undefined + }]; + } + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + // Could not find a symbol e.g. node is string or number keyword, + // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol + if (!symbol) { + return undefined; + } + // If this is an alias, and the request came at the declaration location + // get the aliased symbol instead. This allows for goto def on an import e.g. + // import {A, B} from "mod"; + // to jump to the implementation directly. + if (symbol.flags & 8388608 /* Alias */) { + var declaration = symbol.declarations[0]; + if (node.kind === 69 /* Identifier */ && node.parent === declaration) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + } + // Because name in short-hand property assignment has two different meanings: property name and property value, + // using go-to-definition at such position should go to the variable declaration of the property value rather than + // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition + // is performed at the location of property access, we would like to go to definition of the property in the short-hand + // assignment. This case and others are handled by the following code. + if (node.parent.kind === 249 /* ShorthandPropertyAssignment */) { + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + if (!shorthandSymbol) { + return []; + } + var shorthandDeclarations = shorthandSymbol.getDeclarations(); + var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); + var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); + var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); + return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); + } + return getDefinitionFromSymbol(symbol, node); + } + /// Goto type + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + if (!type) { + return undefined; + } + if (type.flags & 16384 /* Union */) { + var result_4 = []; + ts.forEach(type.types, function (t) { + if (t.symbol) { + ts.addRange(/*to*/ result_4, /*from*/ getDefinitionFromSymbol(t.symbol, node)); + } + }); + return result_4; + } + if (!type.symbol) { + return undefined; + } + return getDefinitionFromSymbol(type.symbol, node); + } + function getOccurrencesAtPosition(fileName, position) { + var results = getOccurrencesAtPositionCore(fileName, position); + if (results) { + var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); + // Get occurrences only supports reporting occurrences for the file queried. So + // filter down to that list. + results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); + } + return results; + } + function getDocumentHighlights(fileName, position, filesToSearch) { + synchronizeHostData(); + filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); + var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingWord(sourceFile, position); + if (!node) { + return undefined; + } + return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); + function getHighlightSpanForNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + return { + fileName: sourceFile.fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + kind: HighlightSpanKind.none + }; + } + function getSemanticDocumentHighlights(node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 97 /* ThisKeyword */ || + node.kind === 162 /* ThisType */ || + node.kind === 95 /* SuperKeyword */ || + isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, /*findInStrings*/ false, /*findInComments*/ false); + return convertReferencedSymbols(referencedSymbols); + } + return undefined; + function convertReferencedSymbols(referencedSymbols) { + if (!referencedSymbols) { + return undefined; + } + var fileNameToDocumentHighlights = {}; + var result = []; + for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { + var referencedSymbol = referencedSymbols_1[_i]; + for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { + var referenceEntry = _b[_a]; + var fileName_1 = referenceEntry.fileName; + var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); + if (!documentHighlights) { + documentHighlights = { fileName: fileName_1, highlightSpans: [] }; + fileNameToDocumentHighlights[fileName_1] = documentHighlights; + result.push(documentHighlights); + } + documentHighlights.highlightSpans.push({ + textSpan: referenceEntry.textSpan, + kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference + }); + } + } + return result; + } + } + function getSyntacticDocumentHighlights(node) { + var fileName = sourceFile.fileName; + var highlightSpans = getHighlightSpans(node); + if (!highlightSpans || highlightSpans.length === 0) { + return undefined; + } + return [{ fileName: fileName, highlightSpans: highlightSpans }]; + // returns true if 'node' is defined and has a matching 'kind'. + function hasKind(node, kind) { + return node !== undefined && node.kind === kind; + } + // Null-propagating 'parent' function. + function parent(node) { + return node && node.parent; + } + function getHighlightSpans(node) { + if (node) { + switch (node.kind) { + case 88 /* IfKeyword */: + case 80 /* ElseKeyword */: + if (hasKind(node.parent, 199 /* IfStatement */)) { + return getIfElseOccurrences(node.parent); + } + break; + case 94 /* ReturnKeyword */: + if (hasKind(node.parent, 207 /* ReturnStatement */)) { + return getReturnOccurrences(node.parent); + } + break; + case 98 /* ThrowKeyword */: + if (hasKind(node.parent, 211 /* ThrowStatement */)) { + return getThrowOccurrences(node.parent); + } + break; + case 72 /* CatchKeyword */: + if (hasKind(parent(parent(node)), 212 /* TryStatement */)) { + return getTryCatchFinallyOccurrences(node.parent.parent); + } + break; + case 100 /* TryKeyword */: + case 85 /* FinallyKeyword */: + if (hasKind(parent(node), 212 /* TryStatement */)) { + return getTryCatchFinallyOccurrences(node.parent); + } + break; + case 96 /* SwitchKeyword */: + if (hasKind(node.parent, 209 /* SwitchStatement */)) { + return getSwitchCaseDefaultOccurrences(node.parent); + } + break; + case 71 /* CaseKeyword */: + case 77 /* DefaultKeyword */: + if (hasKind(parent(parent(parent(node))), 209 /* SwitchStatement */)) { + return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); + } + break; + case 70 /* BreakKeyword */: + case 75 /* ContinueKeyword */: + if (hasKind(node.parent, 206 /* BreakStatement */) || hasKind(node.parent, 205 /* ContinueStatement */)) { + return getBreakOrContinueStatementOccurrences(node.parent); + } + break; + case 86 /* ForKeyword */: + if (hasKind(node.parent, 202 /* ForStatement */) || + hasKind(node.parent, 203 /* ForInStatement */) || + hasKind(node.parent, 204 /* ForOfStatement */)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 104 /* WhileKeyword */: + case 79 /* DoKeyword */: + if (hasKind(node.parent, 201 /* WhileStatement */) || hasKind(node.parent, 200 /* DoStatement */)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 121 /* ConstructorKeyword */: + if (hasKind(node.parent, 145 /* Constructor */)) { + return getConstructorOccurrences(node.parent); + } + break; + case 123 /* GetKeyword */: + case 129 /* SetKeyword */: + if (hasKind(node.parent, 146 /* GetAccessor */) || hasKind(node.parent, 147 /* SetAccessor */)) { + return getGetAndSetOccurrences(node.parent); + } + break; + default: + if (ts.isModifierKind(node.kind) && node.parent && + (ts.isDeclaration(node.parent) || node.parent.kind === 196 /* VariableStatement */)) { + return getModifierOccurrences(node.kind, node.parent); + } + } + } + return undefined; + } + /** + * Aggregates all throw-statements within this node *without* crossing + * into function boundaries and try-blocks with catch-clauses. + */ + function aggregateOwnedThrowStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 211 /* ThrowStatement */) { + statementAccumulator.push(node); + } + else if (node.kind === 212 /* TryStatement */) { + var tryStatement = node; + if (tryStatement.catchClause) { + aggregate(tryStatement.catchClause); + } + else { + // Exceptions thrown within a try block lacking a catch clause + // are "owned" in the current context. + aggregate(tryStatement.tryBlock); + } + if (tryStatement.finallyBlock) { + aggregate(tryStatement.finallyBlock); + } + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + /** + * For lack of a better name, this function takes a throw statement and returns the + * nearest ancestor that is a try-block (whose try statement has a catch clause), + * function-block, or source file. + */ + function getThrowStatementOwner(throwStatement) { + var child = throwStatement; + while (child.parent) { + var parent_14 = child.parent; + if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251 /* SourceFile */) { + return parent_14; + } + // A throw-statement is only owned by a try-statement if the try-statement has + // a catch clause, and if the throw-statement occurs within the try block. + if (parent_14.kind === 212 /* TryStatement */) { + var tryStatement = parent_14; + if (tryStatement.tryBlock === child && tryStatement.catchClause) { + return child; + } + } + child = parent_14; + } + return undefined; + } + function aggregateAllBreakAndContinueStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 206 /* BreakStatement */ || node.kind === 205 /* ContinueStatement */) { + statementAccumulator.push(node); + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + function ownsBreakOrContinueStatement(owner, statement) { + var actualOwner = getBreakOrContinueOwner(statement); + return actualOwner && actualOwner === owner; + } + function getBreakOrContinueOwner(statement) { + for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { + switch (node_2.kind) { + case 209 /* SwitchStatement */: + if (statement.kind === 205 /* ContinueStatement */) { + continue; + } + // Fall through. + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + case 200 /* DoStatement */: + if (!statement.label || isLabeledBy(node_2, statement.label.text)) { + return node_2; + } + break; + default: + // Don't cross function boundaries. + if (ts.isFunctionLike(node_2)) { + return undefined; + } + break; + } + } + return undefined; + } + function getModifierOccurrences(modifier, declaration) { + var container = declaration.parent; + // Make sure we only highlight the keyword when it makes sense to do so. + if (ts.isAccessibilityModifier(modifier)) { + if (!(container.kind === 217 /* ClassDeclaration */ || + container.kind === 189 /* ClassExpression */ || + (declaration.kind === 139 /* Parameter */ && hasKind(container, 145 /* Constructor */)))) { + return undefined; + } + } + else if (modifier === 113 /* StaticKeyword */) { + if (!(container.kind === 217 /* ClassDeclaration */ || container.kind === 189 /* ClassExpression */)) { + return undefined; + } + } + else if (modifier === 82 /* ExportKeyword */ || modifier === 122 /* DeclareKeyword */) { + if (!(container.kind === 222 /* ModuleBlock */ || container.kind === 251 /* SourceFile */)) { + return undefined; + } + } + else if (modifier === 115 /* AbstractKeyword */) { + if (!(container.kind === 217 /* ClassDeclaration */ || declaration.kind === 217 /* ClassDeclaration */)) { + return undefined; + } + } + else { + // unsupported modifier + return undefined; + } + var keywords = []; + var modifierFlag = getFlagFromModifier(modifier); + var nodes; + switch (container.kind) { + case 222 /* ModuleBlock */: + case 251 /* SourceFile */: + // Container is either a class declaration or the declaration is a classDeclaration + if (modifierFlag & 128 /* Abstract */) { + nodes = declaration.members.concat(declaration); + } + else { + nodes = container.statements; + } + break; + case 145 /* Constructor */: + nodes = container.parameters.concat(container.parent.members); + break; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + nodes = container.members; + // If we're an accessibility modifier, we're in an instance member and should search + // the constructor's parameter list for instance members as well. + if (modifierFlag & 56 /* AccessibilityModifier */) { + var constructor = ts.forEach(container.members, function (member) { + return member.kind === 145 /* Constructor */ && member; + }); + if (constructor) { + nodes = nodes.concat(constructor.parameters); + } + } + else if (modifierFlag & 128 /* Abstract */) { + nodes = nodes.concat(container); + } + break; + default: + ts.Debug.fail("Invalid container kind."); + } + ts.forEach(nodes, function (node) { + if (node.modifiers && node.flags & modifierFlag) { + ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + function getFlagFromModifier(modifier) { + switch (modifier) { + case 112 /* PublicKeyword */: + return 8 /* Public */; + case 110 /* PrivateKeyword */: + return 16 /* Private */; + case 111 /* ProtectedKeyword */: + return 32 /* Protected */; + case 113 /* StaticKeyword */: + return 64 /* Static */; + case 82 /* ExportKeyword */: + return 2 /* Export */; + case 122 /* DeclareKeyword */: + return 4 /* Ambient */; + case 115 /* AbstractKeyword */: + return 128 /* Abstract */; + default: + ts.Debug.fail(); + } + } + } + function pushKeywordIf(keywordList, token) { + var expected = []; + for (var _i = 2; _i < arguments.length; _i++) { + expected[_i - 2] = arguments[_i]; + } + if (token && ts.contains(expected, token.kind)) { + keywordList.push(token); + return true; + } + return false; + } + function getGetAndSetOccurrences(accessorDeclaration) { + var keywords = []; + tryPushAccessorKeyword(accessorDeclaration.symbol, 146 /* GetAccessor */); + tryPushAccessorKeyword(accessorDeclaration.symbol, 147 /* SetAccessor */); + return ts.map(keywords, getHighlightSpanForNode); + function tryPushAccessorKeyword(accessorSymbol, accessorKind) { + var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); + if (accessor) { + ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123 /* GetKeyword */, 129 /* SetKeyword */); }); + } + } + } + function getConstructorOccurrences(constructorDeclaration) { + var declarations = constructorDeclaration.symbol.getDeclarations(); + var keywords = []; + ts.forEach(declarations, function (declaration) { + ts.forEach(declaration.getChildren(), function (token) { + return pushKeywordIf(keywords, token, 121 /* ConstructorKeyword */); + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getLoopBreakContinueOccurrences(loopNode) { + var keywords = []; + if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86 /* ForKeyword */, 104 /* WhileKeyword */, 79 /* DoKeyword */)) { + // If we succeeded and got a do-while loop, then start looking for a 'while' keyword. + if (loopNode.kind === 200 /* DoStatement */) { + var loopTokens = loopNode.getChildren(); + for (var i = loopTokens.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 104 /* WhileKeyword */)) { + break; + } + } + } + } + var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */, 75 /* ContinueKeyword */); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + return getLoopBreakContinueOccurrences(owner); + case 209 /* SwitchStatement */: + return getSwitchCaseDefaultOccurrences(owner); + } + } + return undefined; + } + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 96 /* SwitchKeyword */); + // Go through each clause in the switch statement, collecting the 'case'/'default' keywords. + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 71 /* CaseKeyword */, 77 /* DefaultKeyword */); + var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */); + } + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getTryCatchFinallyOccurrences(tryStatement) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 100 /* TryKeyword */); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72 /* CatchKeyword */); + } + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 85 /* FinallyKeyword */); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getThrowOccurrences(throwStatement) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; + } + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); + }); + // If the "owner" is a function, then we equate 'return' and 'throw' statements in their + // ability to "jump out" of the function, and include occurrences for both. + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); + }); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getReturnOccurrences(returnStatement) { + var func = ts.getContainingFunction(returnStatement); + // If we didn't find a containing function with a block body, bail out. + if (!(func && hasKind(func.body, 195 /* Block */))) { + return undefined; + } + var keywords = []; + ts.forEachReturnStatement(func.body, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); + }); + // Include 'throw' statements that do not occur within a try block. + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getIfElseOccurrences(ifStatement) { + var keywords = []; + // Traverse upwards through all parent if-statements linked by their else-branches. + while (hasKind(ifStatement.parent, 199 /* IfStatement */) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; + } + // Now traverse back down through the else branches, aggregating if/else keywords of if-statements. + while (ifStatement) { + var children = ifStatement.getChildren(); + pushKeywordIf(keywords, children[0], 88 /* IfKeyword */); + // Generally the 'else' keyword is second-to-last, so we traverse backwards. + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 80 /* ElseKeyword */)) { + break; + } + } + if (!hasKind(ifStatement.elseStatement, 199 /* IfStatement */)) { + break; + } + ifStatement = ifStatement.elseStatement; + } + var result = []; + // We'd like to highlight else/ifs together if they are only separated by whitespace + // (i.e. the keywords are separated by no comments, no newlines). + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 80 /* ElseKeyword */ && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword. + var shouldCombindElseAndIf = true; + // Avoid recalculating getStart() by iterating backwards. + for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { + shouldCombindElseAndIf = false; + break; + } + } + if (shouldCombindElseAndIf) { + result.push({ + fileName: fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: HighlightSpanKind.reference + }); + i++; // skip the next keyword + continue; + } + } + // Ordinary case: just highlight the keyword. + result.push(getHighlightSpanForNode(keywords[i])); + } + return result; + } + } + } + /// References and Occurrences + function getOccurrencesAtPositionCore(fileName, position) { + synchronizeHostData(); + return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); + function convertDocumentHighlights(documentHighlights) { + if (!documentHighlights) { + return undefined; + } + var result = []; + for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { + var entry = documentHighlights_1[_i]; + for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { + var highlightSpan = _b[_a]; + result.push({ + fileName: entry.fileName, + textSpan: highlightSpan.textSpan, + isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference + }); + } + } + return result; + } + } + function convertReferences(referenceSymbols) { + if (!referenceSymbols) { + return undefined; + } + var referenceEntries = []; + for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { + var referenceSymbol = referenceSymbols_1[_i]; + ts.addRange(referenceEntries, referenceSymbol.references); + } + return referenceEntries; + } + function findRenameLocations(fileName, position, findInStrings, findInComments) { + var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); + return convertReferences(referencedSymbols); + } + function getReferencesAtPosition(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); + return convertReferences(referencedSymbols); + } + function findReferences(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); + // Only include referenced symbols that have a valid definition. + return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); + } + function findReferencedSymbols(fileName, position, findInStrings, findInComments) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (node.kind !== 69 /* Identifier */ && + // TODO (drosen): This should be enabled in a later release - currently breaks rename. + // node.kind !== SyntaxKind.ThisKeyword && + // node.kind !== SyntaxKind.SuperKeyword && + !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && + !isNameOfExternalModuleImportOrDeclaration(node)) { + return undefined; + } + ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 8 /* NumericLiteral */ || node.kind === 9 /* StringLiteral */); + return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); + } + function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { + var typeChecker = program.getTypeChecker(); + // Labels + if (isLabelName(node)) { + if (isJumpStatementTarget(node)) { + var labelDefinition = getTargetLabel(node.parent, node.text); + // if we have a label definition, look within its statement for references, if not, then + // the label is undefined and we have no results.. + return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + } + else { + // it is a label definition and not a target, search within the parent labeledStatement + return getLabelReferencesInNode(node.parent, node); + } + } + if (node.kind === 97 /* ThisKeyword */ || node.kind === 162 /* ThisType */) { + return getReferencesForThisKeyword(node, sourceFiles); + } + if (node.kind === 95 /* SuperKeyword */) { + return getReferencesForSuperKeyword(node); + } + var symbol = typeChecker.getSymbolAtLocation(node); + // Could not find a symbol e.g. unknown identifier + if (!symbol) { + // Can't have references to something that we have no symbol for. + return undefined; + } + var declarations = symbol.declarations; + // The symbol was an internal symbol and does not have a declaration e.g. undefined symbol + if (!declarations || !declarations.length) { + return undefined; + } + var result; + // Compute the meaning from the location and the symbol it references + var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); + // Get the text to search for. + // Note: if this is an external module symbol, the name doesn't include quotes. + var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + // Try to get the smallest valid scope that we can limit our search to; + // otherwise we'll need to search globally (i.e. include each file). + var scope = getSymbolScope(symbol); + // Maps from a symbol ID to the ReferencedSymbol entry in 'result'. + var symbolToIndex = []; + if (scope) { + result = []; + getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + else { + var internedName = getInternedName(symbol, node, declarations); + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + cancellationToken.throwIfCancellationRequested(); + var nameTable = getNameTable(sourceFile); + if (ts.lookUp(nameTable, internedName) !== undefined) { + result = result || []; + getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + } + } + return result; + function getDefinition(symbol) { + var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); + var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) { + return undefined; + } + return { + containerKind: "", + containerName: "", + name: name, + kind: info.symbolKind, + fileName: declarations[0].getSourceFile().fileName, + textSpan: ts.createTextSpan(declarations[0].getStart(), 0) + }; + } + function isImportSpecifierSymbol(symbol) { + return (symbol.flags & 8388608 /* Alias */) && !!ts.getDeclarationOfKind(symbol, 229 /* ImportSpecifier */); + } + function getInternedName(symbol, location, declarations) { + // If this is an export or import specifier it could have been renamed using the 'as' syntax. + // If so we want to search for whatever under the cursor. + if (ts.isImportOrExportSpecifierName(location)) { + return location.getText(); + } + // Try to get the local symbol if we're dealing with an 'export default' + // since that symbol has the "true" name. + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + symbol = localExportDefaultSymbol || symbol; + return ts.stripQuotes(symbol.name); + } + /** + * Determines the smallest scope in which a symbol may have named references. + * Note that not every construct has been accounted for. This function can + * probably be improved. + * + * @returns undefined if the scope cannot be determined, implying that + * a reference to a symbol can occur anywhere. + */ + function getSymbolScope(symbol) { + // If this is the symbol of a named function expression or named class expression, + // then named references are limited to its own scope. + var valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 176 /* FunctionExpression */ || valueDeclaration.kind === 189 /* ClassExpression */)) { + return valueDeclaration; + } + // If this is private property or method, the scope is the containing class + if (symbol.flags & (4 /* Property */ | 8192 /* Method */)) { + var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16 /* Private */) ? d : undefined; }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 217 /* ClassDeclaration */); + } + } + // If the symbol is an import we would like to find it if we are looking for what it imports. + // So consider it visibile outside its declaration scope. + if (symbol.flags & 8388608 /* Alias */) { + return undefined; + } + // if this symbol is visible from its parent container, e.g. exported, then bail out + // if symbol correspond to the union property - bail out + if (symbol.parent || (symbol.flags & 268435456 /* SyntheticProperty */)) { + return undefined; + } + var scope; + var declarations = symbol.getDeclarations(); + if (declarations) { + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + var container = getContainerNode(declaration); + if (!container) { + return undefined; + } + if (scope && scope !== container) { + // Different declarations have different containers, bail out + return undefined; + } + if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { + // This is a global variable and not an external module, any declaration defined + // within this scope is visible outside the file + return undefined; + } + // The search scope is the container node + scope = container; + } + } + return scope; + } + function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { + var positions = []; + /// TODO: Cache symbol existence for files to save text search + // Also, need to make this work for unicode escapes. + // Be resilient in the face of a symbol with no name or zero length name + if (!symbolName || !symbolName.length) { + return positions; + } + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, start); + while (position >= 0) { + cancellationToken.throwIfCancellationRequested(); + // If we are past the end, stop looking + if (position > end) + break; + // We found a match. Make sure it's not part of a larger word (i.e. the char + // before and after it have to be a non-identifier char). + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2 /* Latest */)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2 /* Latest */))) { + // Found a real match. Keep searching. + positions.push(position); + } + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var references = []; + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.getWidth() !== labelName.length) { + return; + } + // Only pick labels that are either the target label, or have a target that is the target label + if (node === targetLabel || + (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = { + containerKind: "", + containerName: "", + fileName: targetLabel.getSourceFile().fileName, + kind: ScriptElementKind.label, + name: labelName, + textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) + }; + return [{ definition: definition, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + if (node) { + // Compare the length so we filter out strict superstrings of the symbol we are looking for + switch (node.kind) { + case 69 /* Identifier */: + return node.getWidth() === searchSymbolName.length; + case 9 /* StringLiteral */: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + // For string literals we have two additional chars for the quotes + return node.getWidth() === searchSymbolName.length + 2; + } + break; + case 8 /* NumericLiteral */: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + return node.getWidth() === searchSymbolName.length; + } + break; + } + } + return false; + } + /** Search within node "container" for references for a search value, where the search value is defined as a + * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning). + * searchLocation: a node where the search value + */ + function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { + var sourceFile = container.getSourceFile(); + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { + var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); + referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); + } + } + }); + } + return; + function getReferencedSymbol(symbol) { + var symbolId = ts.getSymbolId(symbol); + var index = symbolToIndex[symbolId]; + if (index === undefined) { + index = result.length; + symbolToIndex[symbolId] = index; + result.push({ + definition: getDefinition(symbol), + references: [] + }); + } + return result[index]; + } + function isInNonReferenceComment(sourceFile, position) { + return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); + function isNonReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return !tripleSlashDirectivePrefixRegex.test(commentText); + } + } + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false); + if (!searchSpaceNode) { + return undefined; + } + // Whether 'super' occurs in a static context within a class. + var staticFlag = 64 /* Static */; + switch (searchSpaceNode.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + default: + return undefined; + } + var references = []; + var sourceFile = searchSpaceNode.getSourceFile(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.kind !== 95 /* SuperKeyword */) { + return; + } + var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false); + // If we have a 'super' container, we must have an enclosing class. + // Now make sure the owning class is the same as the search-space + // and has the same static qualifier as the original 'super's owner. + if (container && (64 /* Static */ & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = getDefinition(searchSpaceNode.symbol); + return [{ definition: definition, references: references }]; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false); + // Whether 'this' occurs in a static context within a class. + var staticFlag = 64 /* Static */; + switch (searchSpaceNode.kind) { + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + break; + } + // fall through + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + case 251 /* SourceFile */: + if (ts.isExternalModule(searchSpaceNode)) { + return undefined; + } + // Fall through + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + break; + // Computed properties in classes are not handled here because references to this are illegal, + // so there is no point finding references to them. + default: + return undefined; + } + var references = []; + var possiblePositions; + if (searchSpaceNode.kind === 251 /* SourceFile */) { + ts.forEach(sourceFiles, function (sourceFile) { + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); + getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); + }); + } + else { + var sourceFile = searchSpaceNode.getSourceFile(); + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); + } + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ScriptElementKind.variableElement, + name: "this", + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) + }, + references: references + }]; + function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || (node.kind !== 97 /* ThisKeyword */ && node.kind !== 162 /* ThisType */)) { + return; + } + var container = ts.getThisContainer(node, /* includeArrowFunctions */ false); + switch (searchSpaceNode.kind) { + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + if (searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + // Make sure the container belongs to the same class + // and has the appropriate static modifier from the original container. + if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64 /* Static */) === staticFlag) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 251 /* SourceFile */: + if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { + result.push(getReferenceEntryFromNode(node)); + } + break; + } + }); + } + } + function populateSearchSymbolSet(symbol, location) { + // The search set contains at least the current symbol + var result = [symbol]; + // If the symbol is an alias, add what it alaises to the list + if (isImportSpecifierSymbol(symbol)) { + result.push(typeChecker.getAliasedSymbol(symbol)); + } + // For export specifiers, the exported name can be refering to a local symbol, e.g.: + // import {a} from "mod"; + // export {a as somethingElse} + // We want the *local* declaration of 'a' as declared in the import, + // *not* as declared within "mod" (or farther) + if (location.parent.kind === 233 /* ExportSpecifier */) { + result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); + } + // If the location is in a context sensitive location (i.e. in an object literal) try + // to get a contextual type for it, and add the property symbol from the contextual + // type to the search set + if (isNameOfPropertyAssignment(location)) { + ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { + ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); + }); + /* Because in short-hand property assignment, location has two meaning : property name and as value of the property + * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of + * property name and variable declaration of the identifier. + * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service + * should show both 'name' in 'obj' and 'name' in variable declaration + * const name = "Foo"; + * const obj = { name }; + * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment + * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration + * will be included correctly. + */ + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); + if (shorthandValueSymbol) { + result.push(shorthandValueSymbol); + } + } + // If the symbol.valueDeclaration is a property parameter declaration, + // we should include both parameter declaration symbol and property declaration symbol + // Parameter Declaration symbol is only visible within function scope, so the symbol is stored in contructor.locals. + // Property Declaration symbol is a member of the class, so the symbol is stored in its class Declaration.symbol.members + if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 /* Parameter */ && + ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { + result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); + } + // If this is a union property, add all the symbols from all its source symbols in all unioned types. + // If the symbol is an instantiation from a another symbol (e.g. widened symbol) , add the root the list + ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + if (rootSymbol !== symbol) { + result.push(rootSymbol); + } + // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions + if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, /*previousIterationSymbolsCache*/ {}); + } + }); + return result; + } + /** + * Find symbol of the given property-name and add the symbol to the given result array + * @param symbol a symbol to start searching for the given propertyName + * @param propertyName a name of property to serach for + * @param result an array of symbol of found property symbols + * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisitng of the same symbol. + * The value of previousIterationSymbol is undefined when the function is first called. + */ + function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { + if (!symbol) { + return; + } + // If the current symbol is the same as the previous-iteration symbol, we can just return the symbol that has already been visited + // This is particularly important for the following cases, so that we do not infinitely visit the same symbol. + // For example: + // interface C extends C { + // /*findRef*/propName: string; + // } + // The first time getPropertySymbolsFromBaseTypes is called when finding-all-references at propName, + // the symbol argument will be the symbol of an interface "C" and previousIterationSymbol is undefined, + // the function will add any found symbol of the property-name, then its sub-routine will call + // getPropertySymbolsFromBaseTypes again to walk up any base types to prevent revisiting already + // visited symbol, interface "C", the sub-routine will pass the current symbol as previousIterationSymbol. + if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { + return; + } + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + ts.forEach(symbol.getDeclarations(), function (declaration) { + if (declaration.kind === 217 /* ClassDeclaration */) { + getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); + ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); + } + else if (declaration.kind === 218 /* InterfaceDeclaration */) { + ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); + } + }); + } + return; + function getPropertySymbolFromTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type) { + var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); + if (propertySymbol) { + result.push(propertySymbol); + } + // Visit the typeReference as well to see if it directly or indirectly use that property + previousIterationSymbolsCache[symbol.name] = symbol; + getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + } + } + } + } + function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { + if (searchSymbols.indexOf(referenceSymbol) >= 0) { + return referenceSymbol; + } + // If the reference symbol is an alias, check if what it is aliasing is one of the search + // symbols. + if (isImportSpecifierSymbol(referenceSymbol)) { + var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + // For export specifiers, it can be a local symbol, e.g. + // import {a} from "mod"; + // export {a as somethingElse} + // We want the local target of the export (i.e. the import symbol) and not the final target (i.e. "mod".a) + if (referenceLocation.parent.kind === 233 /* ExportSpecifier */) { + var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + // If the reference location is in an object literal, try to get the contextual type for the + // object literal, lookup the property symbol in the contextual type, and use this symbol to + // compare to our searchSymbol + if (isNameOfPropertyAssignment(referenceLocation)) { + return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { + return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + }); + } + // Unwrap symbols to get to the root (e.g. transient symbols as a result of widening) + // Or a union property, use its underlying unioned symbols + return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { + // if it is in the list, then we are done + if (searchSymbols.indexOf(rootSymbol) >= 0) { + return rootSymbol; + } + // Finally, try all properties with the same name in any type the containing type extended or implemented, and + // see if any is in the list + if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { + var result_5 = []; + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, /*previousIterationSymbolsCache*/ {}); + return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + } + return undefined; + }); + } + function getPropertySymbolsFromContextualType(node) { + if (isNameOfPropertyAssignment(node)) { + var objectLiteral = node.parent.parent; + var contextualType = typeChecker.getContextualType(objectLiteral); + var name_37 = node.text; + if (contextualType) { + if (contextualType.flags & 16384 /* Union */) { + // This is a union type, first see if the property we are looking for is a union property (i.e. exists in all types) + // if not, search the constituent types for the property + var unionProperty = contextualType.getProperty(name_37); + if (unionProperty) { + return [unionProperty]; + } + else { + var result_6 = []; + ts.forEach(contextualType.types, function (t) { + var symbol = t.getProperty(name_37); + if (symbol) { + result_6.push(symbol); + } + }); + return result_6; + } + } + else { + var symbol_1 = contextualType.getProperty(name_37); + if (symbol_1) { + return [symbol_1]; + } + } + } + } + return undefined; + } + /** Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations + * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class + * then we need to widen the search to include type positions as well. + * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated + * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module) + * do not intersect in any of the three spaces. + */ + function getIntersectingMeaningFromDeclarations(meaning, declarations) { + if (declarations) { + var lastIterationMeaning = void 0; + do { + // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module] + // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module + // intersects with the class in the value space. + // To achieve that we will keep iterating until the result stabilizes. + // Remember the last meaning + lastIterationMeaning = meaning; + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + var declarationMeaning = getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } + } + } while (meaning !== lastIterationMeaning); + } + return meaning; + } + } + function getReferenceEntryFromNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + if (node.kind === 9 /* StringLiteral */) { + start += 1; + end -= 1; + } + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + isWriteAccess: isWriteAccess(node) + }; + } + /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */ + function isWriteAccess(node) { + if (node.kind === 69 /* Identifier */ && ts.isDeclarationName(node)) { + return true; + } + var parent = node.parent; + if (parent) { + if (parent.kind === 183 /* PostfixUnaryExpression */ || parent.kind === 182 /* PrefixUnaryExpression */) { + return true; + } + else if (parent.kind === 184 /* BinaryExpression */ && parent.left === node) { + var operator = parent.operatorToken.kind; + return 56 /* FirstAssignment */ <= operator && operator <= 68 /* LastAssignment */; + } + } + return false; + } + /// NavigateTo + function getNavigateToItems(searchValue, maxResultCount) { + synchronizeHostData(); + return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); + } + function getEmitOutput(fileName) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var outputFiles = []; + function writeFile(fileName, data, writeByteOrderMark) { + outputFiles.push({ + name: fileName, + writeByteOrderMark: writeByteOrderMark, + text: data + }); + } + var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); + return { + outputFiles: outputFiles, + emitSkipped: emitOutput.emitSkipped + }; + } + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 139 /* Parameter */: + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 249 /* ShorthandPropertyAssignment */: + case 250 /* EnumMember */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 247 /* CatchClause */: + return 1 /* Value */; + case 138 /* TypeParameter */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 156 /* TypeLiteral */: + return 2 /* Type */; + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + return 1 /* Value */ | 2 /* Type */; + case 221 /* ModuleDeclaration */: + if (ts.isAmbientModule(node)) { + return 4 /* Namespace */ | 1 /* Value */; + } + else if (ts.getModuleInstanceState(node) === 1 /* Instantiated */) { + return 4 /* Namespace */ | 1 /* Value */; + } + else { + return 4 /* Namespace */; + } + case 228 /* NamedImports */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 225 /* ImportDeclaration */: + case 230 /* ExportAssignment */: + case 231 /* ExportDeclaration */: + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + // An external module can be a Value + case 251 /* SourceFile */: + return 4 /* Namespace */ | 1 /* Value */; + } + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return node.parent.kind === 152 /* TypeReference */ || + (node.parent.kind === 191 /* ExpressionWithTypeArguments */ && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || + (node.kind === 97 /* ThisKeyword */ && !ts.isExpression(node)) || + node.kind === 162 /* ThisType */; + } + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 169 /* PropertyAccessExpression */) { + while (root.parent && root.parent.kind === 169 /* PropertyAccessExpression */) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 191 /* ExpressionWithTypeArguments */ && root.parent.parent.kind === 246 /* HeritageClause */) { + var decl = root.parent.parent.parent; + return (decl.kind === 217 /* ClassDeclaration */ && root.parent.parent.token === 106 /* ImplementsKeyword */) || + (decl.kind === 218 /* InterfaceDeclaration */ && root.parent.parent.token === 83 /* ExtendsKeyword */); + } + return false; + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 136 /* QualifiedName */) { + while (root.parent && root.parent.kind === 136 /* QualifiedName */) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 152 /* TypeReference */ && !isLastClause; + } + function isInRightSideOfImport(node) { + while (node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + function getMeaningFromRightHandSideOfImportEquals(node) { + ts.Debug.assert(node.kind === 69 /* Identifier */); + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + if (node.parent.kind === 136 /* QualifiedName */ && + node.parent.right === node && + node.parent.parent.kind === 224 /* ImportEqualsDeclaration */) { + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + return 4 /* Namespace */; + } + function getMeaningFromLocation(node) { + if (node.parent.kind === 230 /* ExportAssignment */) { + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + else if (isInRightSideOfImport(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(node.parent); + } + else if (isTypeReference(node)) { + return 2 /* Type */; + } + else if (isNamespaceReference(node)) { + return 4 /* Namespace */; + } + else { + return 1 /* Value */; + } + } + // Signature help + /** + * This is a semantic operation. + */ + function getSignatureHelpItems(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); + } + /// Syntactic features + function getSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Get node at the location + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (!node) { + return; + } + switch (node.kind) { + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + case 9 /* StringLiteral */: + case 163 /* StringLiteralType */: + case 84 /* FalseKeyword */: + case 99 /* TrueKeyword */: + case 93 /* NullKeyword */: + case 95 /* SuperKeyword */: + case 97 /* ThisKeyword */: + case 162 /* ThisType */: + case 69 /* Identifier */: + break; + // Cant create the text span + default: + return; + } + var nodeForStartPos = node; + while (true) { + if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { + // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node + nodeForStartPos = nodeForStartPos.parent; + } + else if (isNameOfModuleDeclaration(nodeForStartPos)) { + // If this is name of a module declarations, check if this is right side of dotted module name + // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of + // Then this name is name from dotted module + if (nodeForStartPos.parent.parent.kind === 221 /* ModuleDeclaration */ && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + // Use parent module declarations name for start pos + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + // We have to use this name for start pos + break; + } + } + else { + // Is not a member expression so we have found the node for start pos + break; + } + } + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); + } + function getSemanticClassifications(fileName, span) { + return convertClassifications(getEncodedSemanticClassifications(fileName, span)); + } + function checkForClassificationCancellation(kind) { + // We don't want to actually call back into our host on every node to find out if we've + // been canceled. That would be an enormous amount of chattyness, along with the all + // the overhead of marshalling the data to/from the host. So instead we pick a few + // reasonable node kinds to bother checking on. These node kinds represent high level + // constructs that we would expect to see commonly, but just at a far less frequent + // interval. + // + // For example, in checker.ts (around 750k) we only have around 600 of these constructs. + // That means we're calling back into the host around every 1.2k of the file we process. + // Lib.d.ts has similar numbers. + switch (kind) { + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + cancellationToken.throwIfCancellationRequested(); + } + } + function getEncodedSemanticClassifications(fileName, span) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var result = []; + var classifiableNames = program.getClassifiableNames(); + processNode(sourceFile); + return { spans: result, endOfLineState: 0 /* None */ }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifySymbol(symbol, meaningAtPosition) { + var flags = symbol.getFlags(); + if ((flags & 788448 /* Classifiable */) === 0 /* None */) { + return; + } + if (flags & 32 /* Class */) { + return 11 /* className */; + } + else if (flags & 384 /* Enum */) { + return 12 /* enumName */; + } + else if (flags & 524288 /* TypeAlias */) { + return 16 /* typeAliasName */; + } + else if (meaningAtPosition & 2 /* Type */) { + if (flags & 64 /* Interface */) { + return 13 /* interfaceName */; + } + else if (flags & 262144 /* TypeParameter */) { + return 15 /* typeParameterName */; + } + } + else if (flags & 1536 /* Module */) { + // Only classify a module as such if + // - It appears in a namespace context. + // - There exists a module declaration which actually impacts the value side. + if (meaningAtPosition & 4 /* Namespace */ || + (meaningAtPosition & 1 /* Value */ && hasValueSideModule(symbol))) { + return 14 /* moduleName */; + } + } + return undefined; + /** + * Returns true if there exists a module that introduces entities on the value side. + */ + function hasValueSideModule(symbol) { + return ts.forEach(symbol.declarations, function (declaration) { + return declaration.kind === 221 /* ModuleDeclaration */ && + ts.getModuleInstanceState(declaration) === 1 /* Instantiated */; + }); + } + } + function processNode(node) { + // Only walk into nodes that intersect the requested span. + if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { + var kind = node.kind; + checkForClassificationCancellation(kind); + if (kind === 69 /* Identifier */ && !ts.nodeIsMissing(node)) { + var identifier = node; + // Only bother calling into the typechecker if this is an identifier that + // could possibly resolve to a type name. This makes classification run + // in a third of the time it would normally take. + if (classifiableNames[identifier.text]) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var type = classifySymbol(symbol, getMeaningFromLocation(node)); + if (type) { + pushClassification(node.getStart(), node.getWidth(), type); + } + } + } + } + ts.forEachChild(node, processNode); + } + } + } + function getClassificationTypeName(type) { + switch (type) { + case 1 /* comment */: return ClassificationTypeNames.comment; + case 2 /* identifier */: return ClassificationTypeNames.identifier; + case 3 /* keyword */: return ClassificationTypeNames.keyword; + case 4 /* numericLiteral */: return ClassificationTypeNames.numericLiteral; + case 5 /* operator */: return ClassificationTypeNames.operator; + case 6 /* stringLiteral */: return ClassificationTypeNames.stringLiteral; + case 8 /* whiteSpace */: return ClassificationTypeNames.whiteSpace; + case 9 /* text */: return ClassificationTypeNames.text; + case 10 /* punctuation */: return ClassificationTypeNames.punctuation; + case 11 /* className */: return ClassificationTypeNames.className; + case 12 /* enumName */: return ClassificationTypeNames.enumName; + case 13 /* interfaceName */: return ClassificationTypeNames.interfaceName; + case 14 /* moduleName */: return ClassificationTypeNames.moduleName; + case 15 /* typeParameterName */: return ClassificationTypeNames.typeParameterName; + case 16 /* typeAliasName */: return ClassificationTypeNames.typeAliasName; + case 17 /* parameterName */: return ClassificationTypeNames.parameterName; + case 18 /* docCommentTagName */: return ClassificationTypeNames.docCommentTagName; + case 19 /* jsxOpenTagName */: return ClassificationTypeNames.jsxOpenTagName; + case 20 /* jsxCloseTagName */: return ClassificationTypeNames.jsxCloseTagName; + case 21 /* jsxSelfClosingTagName */: return ClassificationTypeNames.jsxSelfClosingTagName; + case 22 /* jsxAttribute */: return ClassificationTypeNames.jsxAttribute; + case 23 /* jsxText */: return ClassificationTypeNames.jsxText; + case 24 /* jsxAttributeStringLiteralValue */: return ClassificationTypeNames.jsxAttributeStringLiteralValue; + } + } + function convertClassifications(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0, n = dense.length; i < n; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + function getSyntacticClassifications(fileName, span) { + return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); + } + function getEncodedSyntacticClassifications(fileName, span) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var spanStart = span.start; + var spanLength = span.length; + // Make a scanner we can get trivia from. + var triviaScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 /* None */ }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + // only bother scanning if we have something that could be trivia. + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; + } + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + // The moment we get something that isn't trivia, then stop processing. + if (!ts.isTrivia(kind)) { + return start; + } + // Don't bother with newlines/whitespace. + if (kind === 4 /* NewLineTrivia */ || kind === 5 /* WhitespaceTrivia */) { + continue; + } + // Only bother with the trivia if it at least intersects the span of interest. + if (ts.isComment(kind)) { + classifyComment(token, kind, start, width); + // Classifying a comment might cause us to reuse the trivia scanner + // (because of jsdoc comments). So after we classify the comment make + // sure we set the scanner position back to where it needs to be. + triviaScanner.setTextPos(end); + continue; + } + if (kind === 7 /* ConflictMarkerTrivia */) { + var text = sourceFile.text; + var ch = text.charCodeAt(start); + // for the <<<<<<< and >>>>>>> markers, we just add them in as comments + // in the classification stream. + if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { + pushClassification(start, width, 1 /* comment */); + continue; + } + // for the ======== add a comment for the first line, and then lex all + // subsequent lines up until the end of the conflict marker. + ts.Debug.assert(ch === 61 /* equals */); + classifyDisabledMergeCode(text, start, end); + } + } + } + function classifyComment(token, kind, start, width) { + if (kind === 3 /* MultiLineCommentTrivia */) { + // See if this is a doc comment. If so, we'll classify certain portions of it + // specially. + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { + docCommentAndDiagnostics.jsDocComment.parent = token; + classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); + return; + } + } + // Simple comment. Just add as is. + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1 /* comment */); + } + function classifyJSDocComment(docComment) { + var pos = docComment.pos; + for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + // As we walk through each tag, classify the portion of text from the end of + // the last tag (or the start of the entire doc comment) as 'comment'. + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10 /* punctuation */); + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* docCommentTagName */); + pos = tag.tagName.end; + switch (tag.kind) { + case 270 /* JSDocParameterTag */: + processJSDocParameterTag(tag); + break; + case 273 /* JSDocTemplateTag */: + processJSDocTemplateTag(tag); + break; + case 272 /* JSDocTypeTag */: + processElement(tag.typeExpression); + break; + case 271 /* JSDocReturnTag */: + processElement(tag.typeExpression); + break; + } + pos = tag.end; + } + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); + } + return; + function processJSDocParameterTag(tag) { + if (tag.preParameterName) { + pushCommentRange(pos, tag.preParameterName.pos - pos); + pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17 /* parameterName */); + pos = tag.preParameterName.end; + } + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (tag.postParameterName) { + pushCommentRange(pos, tag.postParameterName.pos - pos); + pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17 /* parameterName */); + pos = tag.postParameterName.end; + } + } + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + // Classify the line that the ======= marker is on as a comment. Then just lex + // all further tokens and add them to the result. + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; + } + } + pushClassification(start, i - start, 1 /* comment */); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + /** + * Returns true if node should be treated as classified and no further processing is required. + * False will mean that node is not classified and traverse routine should recurse into node contents. + */ + function tryClassifyNode(node) { + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 239 /* JsxText */ && classifiedElementName === undefined) { + return false; + } + var tokenStart = node.kind === 239 /* JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); + } + } + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 238 /* JsxOpeningElement */: + if (token.parent.tagName === token) { + return 19 /* jsxOpenTagName */; + } + break; + case 240 /* JsxClosingElement */: + if (token.parent.tagName === token) { + return 20 /* jsxCloseTagName */; + } + break; + case 237 /* JsxSelfClosingElement */: + if (token.parent.tagName === token) { + return 21 /* jsxSelfClosingTagName */; + } + break; + case 241 /* JsxAttribute */: + if (token.parent.name === token) { + return 22 /* jsxAttribute */; + } + break; + } + return undefined; + } + // for accurate classification, the actual token should be passed in. however, for + // cases like 'disabled merge code' classification, we just get the token kind and + // classify based on that instead. + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3 /* keyword */; + } + // Special case < and > If they appear in a generic context they are punctuation, + // not operators. + if (tokenKind === 25 /* LessThanToken */ || tokenKind === 27 /* GreaterThanToken */) { + // If the node owning the token has a type argument list or type parameter list, then + // we can effectively assume that a '<' and '>' belong to those lists. + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10 /* punctuation */; + } + } + if (ts.isPunctuation(tokenKind)) { + if (token) { + if (tokenKind === 56 /* EqualsToken */) { + // the '=' in a variable declaration is special cased here. + if (token.parent.kind === 214 /* VariableDeclaration */ || + token.parent.kind === 142 /* PropertyDeclaration */ || + token.parent.kind === 139 /* Parameter */ || + token.parent.kind === 241 /* JsxAttribute */) { + return 5 /* operator */; + } + } + if (token.parent.kind === 184 /* BinaryExpression */ || + token.parent.kind === 182 /* PrefixUnaryExpression */ || + token.parent.kind === 183 /* PostfixUnaryExpression */ || + token.parent.kind === 185 /* ConditionalExpression */) { + return 5 /* operator */; + } + } + return 10 /* punctuation */; + } + else if (tokenKind === 8 /* NumericLiteral */) { + return 4 /* numericLiteral */; + } + else if (tokenKind === 9 /* StringLiteral */ || tokenKind === 163 /* StringLiteralType */) { + return token.parent.kind === 241 /* JsxAttribute */ ? 24 /* jsxAttributeStringLiteralValue */ : 6 /* stringLiteral */; + } + else if (tokenKind === 10 /* RegularExpressionLiteral */) { + // TODO: we should get another classification type for these literals. + return 6 /* stringLiteral */; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + // TODO (drosen): we should *also* get another classification type for these literals. + return 6 /* stringLiteral */; + } + else if (tokenKind === 239 /* JsxText */) { + return 23 /* jsxText */; + } + else if (tokenKind === 69 /* Identifier */) { + if (token) { + switch (token.parent.kind) { + case 217 /* ClassDeclaration */: + if (token.parent.name === token) { + return 11 /* className */; + } + return; + case 138 /* TypeParameter */: + if (token.parent.name === token) { + return 15 /* typeParameterName */; + } + return; + case 218 /* InterfaceDeclaration */: + if (token.parent.name === token) { + return 13 /* interfaceName */; + } + return; + case 220 /* EnumDeclaration */: + if (token.parent.name === token) { + return 12 /* enumName */; + } + return; + case 221 /* ModuleDeclaration */: + if (token.parent.name === token) { + return 14 /* moduleName */; + } + return; + case 139 /* Parameter */: + if (token.parent.name === token) { + return 17 /* parameterName */; + } + return; + } + } + return 2 /* identifier */; + } + } + function processElement(element) { + if (!element) { + return; + } + // Ignore nodes that don't intersect the original span to classify. + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(element.kind); + var children = element.getChildren(sourceFile); + for (var i = 0, n = children.length; i < n; i++) { + var child = children[i]; + if (!tryClassifyNode(child)) { + // Recurse into our child nodes. + processElement(child); + } + } + } + } + } + function getOutliningSpans(fileName) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile); + } + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var result = []; + var token = ts.getTouchingToken(sourceFile, position); + if (token.getStart(sourceFile) === position) { + var matchKind = getMatchingTokenKind(token); + // Ensure that there is a corresponding token to match ours. + if (matchKind) { + var parentElement = token.parent; + var childNodes = parentElement.getChildren(sourceFile); + for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { + var current = childNodes_1[_i]; + if (current.kind === matchKind) { + var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); + var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); + // We want to order the braces when we return the result. + if (range1.start < range2.start) { + result.push(range1, range2); + } + else { + result.push(range2, range1); + } + break; + } + } + } + } + return result; + function getMatchingTokenKind(token) { + switch (token.kind) { + case 15 /* OpenBraceToken */: return 16 /* CloseBraceToken */; + case 17 /* OpenParenToken */: return 18 /* CloseParenToken */; + case 19 /* OpenBracketToken */: return 20 /* CloseBracketToken */; + case 25 /* LessThanToken */: return 27 /* GreaterThanToken */; + case 16 /* CloseBraceToken */: return 15 /* OpenBraceToken */; + case 18 /* CloseParenToken */: return 17 /* OpenParenToken */; + case 20 /* CloseBracketToken */: return 19 /* OpenBracketToken */; + case 27 /* GreaterThanToken */: return 25 /* LessThanToken */; + } + return undefined; + } + } + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = new Date().getTime(); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); + start = new Date().getTime(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); + log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); + return result; + } + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsForDocument(fileName, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (key === "}") { + return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); + } + else if (key === ";") { + return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); + } + else if (key === "\n") { + return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); + } + return []; + } + /** + * Checks if position points to a valid position to add JSDoc comments, and if so, + * returns the appropriate template. Otherwise returns an empty string. + * Valid positions are + * - outside of comments, statements, and expressions, and + * - preceding a: + * - function/constructor/method declaration + * - class declarations + * - variable statements + * - namespace declarations + * + * Hosts should ideally check that: + * - The line is all whitespace up to 'position' before performing the insertion. + * - If the keystroke sequence "/\*\*" induced the call, we also check that the next + * non-whitespace character is '*', which (approximately) indicates whether we added + * the second '*' to complete an existing (JSDoc) comment. + * @param fileName The file in which to perform the check. + * @param position The (character-indexed) position in the file where the check should + * be performed. + */ + function getDocCommentTemplateAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Check if in a context where we don't want to perform any insertion + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { + return undefined; + } + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var tokenStart = tokenAtPos.getStart(); + if (!tokenAtPos || tokenStart < position) { + return undefined; + } + // TODO: add support for: + // - enums/enum members + // - interfaces + // - property declarations + // - potentially property assignments + var commentOwner; + findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { + switch (commentOwner.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 145 /* Constructor */: + case 217 /* ClassDeclaration */: + case 196 /* VariableStatement */: + break findOwner; + case 251 /* SourceFile */: + return undefined; + case 221 /* ModuleDeclaration */: + // If in walking up the tree, we hit a a nested namespace declaration, + // then we must be somewhere within a dotted namespace name; however we don't + // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'. + if (commentOwner.parent.kind === 221 /* ModuleDeclaration */) { + return undefined; + } + break findOwner; + } + } + if (!commentOwner || commentOwner.getStart() < position) { + return undefined; + } + var parameters = getParametersForJsDocOwningNode(commentOwner); + var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); + var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; + var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); + var newLine = ts.getNewLineOrDefaultFromHost(host); + var docParams = ""; + for (var i = 0, numParams = parameters.length; i < numParams; i++) { + var currentName = parameters[i].name; + var paramName = currentName.kind === 69 /* Identifier */ ? + currentName.text : + "param" + i; + docParams += indentationStr + " * @param " + paramName + newLine; + } + // A doc comment consists of the following + // * The opening comment line + // * the first line (without a param) for the object's untagged info (this is also where the caret ends up) + // * the '@param'-tagged lines + // * TODO: other tags. + // * the closing comment line + // * if the caret was directly in front of the object, then we add an extra line and indentation. + var preamble = "/**" + newLine + + indentationStr + " * "; + var result = preamble + newLine + + docParams + + indentationStr + " */" + + (tokenStart === position ? newLine + indentationStr : ""); + return { newText: result, caretOffset: preamble.length }; + } + function getParametersForJsDocOwningNode(commentOwner) { + if (ts.isFunctionLike(commentOwner)) { + return commentOwner.parameters; + } + if (commentOwner.kind === 196 /* VariableStatement */) { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + if (varDeclarations.length === 1 && varDeclarations[0].initializer) { + return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + } + } + return emptyArray; + } + /** + * Digs into an an initializer or RHS operand of an assignment operation + * to get the parameters of an apt signature corresponding to a + * function expression or a class expression. + * + * @param rightHandSide the expression which may contain an appropriate set of parameters + * @returns the parameters of a signature found on the RHS if one exists; otherwise 'emptyArray'. + */ + function getParametersFromRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 175 /* ParenthesizedExpression */) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return rightHandSide.parameters; + case 189 /* ClassExpression */: + for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 145 /* Constructor */) { + return member.parameters; + } + } + break; + } + return emptyArray; + } + function getTodoComments(fileName, descriptors) { + // Note: while getting todo comments seems like a syntactic operation, we actually + // treat it as a semantic operation here. This is because we expect our host to call + // this on every single file. If we treat this syntactically, then that will cause + // us to populate and throw away the tree in our syntax tree cache for each file. By + // treating this as a semantic operation, we can access any tree without throwing + // anything away. + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + if (descriptors.length > 0) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + // If we got a match, here is what the match array will look like. Say the source text is: + // + // " // hack 1" + // + // The result array with the regexp: will be: + // + // ["// hack 1", "// ", "hack 1", undefined, "hack"] + // + // Here are the relevant capture groups: + // 0) The full match for the entire regexp. + // 1) The preamble to the message portion. + // 2) The message portion. + // 3...N) The descriptor that was matched - by index. 'undefined' for each + // descriptor that didn't match. an actual value if it did match. + // + // i.e. 'undefined' in position 3 above means TODO(jason) didn't match. + // "hack" in position 4 means HACK did match. + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + // OK, we have found a match in the file. This is only an acceptable match if + // it is contained within a comment. + var token = ts.getTokenAtPosition(sourceFile, matchPosition); + if (!isInsideComment(sourceFile, token, matchPosition)) { + continue; + } + var descriptor = undefined; + for (var i = 0, n = descriptors.length; i < n; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + ts.Debug.assert(descriptor !== undefined); + // We don't want to match something like 'TODOBY', so we make sure a non + // letter/digit follows the match. + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ + descriptor: descriptor, + message: message, + position: matchPosition + }); + } + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + // NOTE: ?: means 'non-capture group'. It allows us to have groups without having to + // filter them out later in the final result array. + // TODO comments can appear in one of the following forms: + // + // 1) // TODO or /////////// TODO + // + // 2) /* TODO or /********** TODO + // + // 3) /* + // * TODO + // */ + // + // The following three regexps are used to match the start of the text up to the TODO + // comment portion. + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + // Match any of the above three TODO comment start regexps. + // Note that the outermost group *is* a capture group. We want to capture the preamble + // so that we can determine the starting position of the TODO comment match. + var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + // Takes the descriptors and forms a regexp that matches them as if they were literals. + // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be: + // + // (?:(TODO\(jason\))|(HACK)) + // + // Note that the outermost group is *not* a capture group, but the innermost groups + // *are* capture groups. By capturing the inner literals we can determine after + // matching which descriptor we are dealing with. + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + // After matching a descriptor literal, the following regexp matches the rest of the + // text up to the end of the line (or */). + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + // This is the portion of the match we'll return as part of the TODO comment result. We + // match the literal portion up to the end of the line or end of comment. + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + // The final regexp will look like this: + // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim + // The flags of the regexp are important here. + // 'g' is so that we are doing a global search and can find matches several times + // in the input. + // + // 'i' is for case insensitivity (We do this to match C# TODO comment code). + // + // 'm' is so we can find matches in a multi-line input. + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 /* a */ && char <= 122 /* z */) || + (char >= 65 /* A */ && char <= 90 /* Z */) || + (char >= 48 /* _0 */ && char <= 57 /* _9 */); + } + } + function getRenameInfo(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var node = ts.getTouchingWord(sourceFile, position); + // Can only rename an identifier. + if (node && node.kind === 69 /* Identifier */) { + var symbol = typeChecker.getSymbolAtLocation(node); + // Only allow a symbol to be renamed if it actually has at least one declaration. + if (symbol) { + var declarations = symbol.getDeclarations(); + if (declarations && declarations.length > 0) { + // Disallow rename for elements that are defined in the standard TypeScript library. + var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); + var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); + if (defaultLibFileName) { + for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { + var current = declarations_10[_i]; + var sourceFile_3 = current.getSourceFile(); + // TODO (drosen): When is there no source file? + if (!sourceFile_3) { + continue; + } + var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); + if (canonicalName === canonicalDefaultLibName) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + } + } + var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var kind = getSymbolKind(symbol, node); + if (kind) { + return { + canRename: true, + kind: kind, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: typeChecker.getFullyQualifiedName(symbol), + kindModifiers: getSymbolModifiers(symbol), + triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) + }; + } + } + } + } + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); + function getRenameInfoError(localizedErrorMessage) { + return { + canRename: false, + localizedErrorMessage: localizedErrorMessage, + displayName: undefined, + fullDisplayName: undefined, + kind: undefined, + kindModifiers: undefined, + triggerSpan: undefined + }; + } + } + return { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + getEmitOutput: getEmitOutput, + getSourceFile: getSourceFile, + getProgram: getProgram + }; + } + ts.createLanguageService = createLanguageService; + /* @internal */ + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); + } + return sourceFile.nameTable; + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = {}; + walk(sourceFile); + sourceFile.nameTable = nameTable; + function walk(node) { + switch (node.kind) { + case 69 /* Identifier */: + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + break; + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + // We want to store any numbers/strings if they were a name that could be + // related to a declaration. So, if we have 'import x = require("something")' + // then we want 'something' to be in the name table. Similarly, if we have + // "a['propname']" then we want to store "propname" in the name table. + if (ts.isDeclarationName(node) || + node.parent.kind === 235 /* ExternalModuleReference */ || + isArgumentOfElementAccessExpression(node)) { + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + } + break; + default: + ts.forEachChild(node, walk); + } + } + } + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 170 /* ElementAccessExpression */ && + node.parent.argumentExpression === node; + } + /// Classifier + function createClassifier() { + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false); + /// We do not have a full parser support to know when we should parse a regex or not + /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where + /// we have a series of divide operator. this list allows us to be more accurate by ruling out + /// locations where a regexp cannot exist. + var noRegexTable = []; + noRegexTable[69 /* Identifier */] = true; + noRegexTable[9 /* StringLiteral */] = true; + noRegexTable[8 /* NumericLiteral */] = true; + noRegexTable[10 /* RegularExpressionLiteral */] = true; + noRegexTable[97 /* ThisKeyword */] = true; + noRegexTable[41 /* PlusPlusToken */] = true; + noRegexTable[42 /* MinusMinusToken */] = true; + noRegexTable[18 /* CloseParenToken */] = true; + noRegexTable[20 /* CloseBracketToken */] = true; + noRegexTable[16 /* CloseBraceToken */] = true; + noRegexTable[99 /* TrueKeyword */] = true; + noRegexTable[84 /* FalseKeyword */] = true; + // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact) + // classification on template strings. Because of the context free nature of templates, + // the only precise way to classify a template portion would be by propagating the stack across + // lines, just as we do with the end-of-line state. However, this is a burden for implementers, + // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead + // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state. + // Situations in which this fails are + // 1) When template strings are nested across different lines: + // `hello ${ `world + // ` }` + // + // Where on the second line, you will get the closing of a template, + // a closing curly, and a new template. + // + // 2) When substitution expressions have curly braces and the curly brace falls on the next line: + // `hello ${ () => { + // return "world" } } ` + // + // Where on the second line, you will get the 'return' keyword, + // a string literal, and a template end consisting of '} } `'. + var templateStack = []; + /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */ + function canFollow(keyword1, keyword2) { + if (ts.isAccessibilityModifier(keyword1)) { + if (keyword2 === 123 /* GetKeyword */ || + keyword2 === 129 /* SetKeyword */ || + keyword2 === 121 /* ConstructorKeyword */ || + keyword2 === 113 /* StaticKeyword */) { + // Allow things like "public get", "public constructor" and "public static". + // These are all legal. + return true; + } + // Any other keyword following "public" is actually an identifier an not a real + // keyword. + return false; + } + // Assume any other keyword combination is legal. This can be refined in the future + // if there are more cases we want the classifier to be better at. + return true; + } + function convertClassifications(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0, n = dense.length; i < n; i += 3) { + var start = dense[i]; + var length_3 = dense[i + 1]; + var type = dense[i + 2]; + // Make a whitespace entry between the last item and this one. + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); + } + } + entries.push({ length: length_3, classification: convertClassification(type) }); + lastEnd = start + length_3; + } + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); + } + return { entries: entries, finalLexState: classifications.endOfLineState }; + } + function convertClassification(type) { + switch (type) { + case 1 /* comment */: return TokenClass.Comment; + case 3 /* keyword */: return TokenClass.Keyword; + case 4 /* numericLiteral */: return TokenClass.NumberLiteral; + case 5 /* operator */: return TokenClass.Operator; + case 6 /* stringLiteral */: return TokenClass.StringLiteral; + case 8 /* whiteSpace */: return TokenClass.Whitespace; + case 10 /* punctuation */: return TokenClass.Punctuation; + case 2 /* identifier */: + case 11 /* className */: + case 12 /* enumName */: + case 13 /* interfaceName */: + case 14 /* moduleName */: + case 15 /* typeParameterName */: + case 16 /* typeAliasName */: + case 9 /* text */: + case 17 /* parameterName */: + default: + return TokenClass.Identifier; + } + } + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + // If there is a syntactic classifier ('syntacticClassifierAbsent' is false), + // we will be more conservative in order to avoid conflicting with the syntactic classifier. + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var offset = 0; + var token = 0 /* Unknown */; + var lastNonTriviaToken = 0 /* Unknown */; + // Empty out the template stack for reuse. + while (templateStack.length > 0) { + templateStack.pop(); + } + // If we're in a string literal, then prepend: "\ + // (and a newline). That way when we lex we'll think we're still in a string literal. + // + // If we're in a multiline comment, then prepend: /* + // (and a newline). That way when we lex we'll think we're still in a multiline comment. + switch (lexState) { + case 3 /* InDoubleQuoteStringLiteral */: + text = "\"\\\n" + text; + offset = 3; + break; + case 2 /* InSingleQuoteStringLiteral */: + text = "'\\\n" + text; + offset = 3; + break; + case 1 /* InMultiLineCommentTrivia */: + text = "/*\n" + text; + offset = 3; + break; + case 4 /* InTemplateHeadOrNoSubstitutionTemplate */: + text = "`\n" + text; + offset = 2; + break; + case 5 /* InTemplateMiddleOrTail */: + text = "}\n" + text; + offset = 2; + // fallthrough + case 6 /* InTemplateSubstitutionPosition */: + templateStack.push(12 /* TemplateHead */); + break; + } + scanner.setText(text); + var result = { + endOfLineState: 0 /* None */, + spans: [] + }; + // We can run into an unfortunate interaction between the lexical and syntactic classifier + // when the user is typing something generic. Consider the case where the user types: + // + // Foo tokens. It's a weak heuristic, but should + // work well enough in practice. + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + if ((token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) && !noRegexTable[lastNonTriviaToken]) { + if (scanner.reScanSlashToken() === 10 /* RegularExpressionLiteral */) { + token = 10 /* RegularExpressionLiteral */; + } + } + else if (lastNonTriviaToken === 21 /* DotToken */ && isKeyword(token)) { + token = 69 /* Identifier */; + } + else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + // We have two keywords in a row. Only treat the second as a keyword if + // it's a sequence that could legally occur in the language. Otherwise + // treat it as an identifier. This way, if someone writes "private var" + // we recognize that 'var' is actually an identifier here. + token = 69 /* Identifier */; + } + else if (lastNonTriviaToken === 69 /* Identifier */ && + token === 25 /* LessThanToken */) { + // Could be the start of something generic. Keep track of that by bumping + // up the current count of generic contexts we may be in. + angleBracketStack++; + } + else if (token === 27 /* GreaterThanToken */ && angleBracketStack > 0) { + // If we think we're currently in something generic, then mark that that + // generic entity is complete. + angleBracketStack--; + } + else if (token === 117 /* AnyKeyword */ || + token === 130 /* StringKeyword */ || + token === 128 /* NumberKeyword */ || + token === 120 /* BooleanKeyword */ || + token === 131 /* SymbolKeyword */) { + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + // If it looks like we're could be in something generic, don't classify this + // as a keyword. We may just get overwritten by the syntactic classifier, + // causing a noisy experience for the user. + token = 69 /* Identifier */; + } + } + else if (token === 12 /* TemplateHead */) { + templateStack.push(token); + } + else if (token === 15 /* OpenBraceToken */) { + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + templateStack.push(token); + } + } + else if (token === 16 /* CloseBraceToken */) { + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 12 /* TemplateHead */) { + token = scanner.reScanTemplateToken(); + // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us. + if (token === 14 /* TemplateTail */) { + templateStack.pop(); + } + else { + ts.Debug.assert(token === 13 /* TemplateMiddle */, "Should have been a template middle. Was " + token); + } + } + else { + ts.Debug.assert(lastTemplateStackToken === 15 /* OpenBraceToken */, "Should have been an open brace. Was: " + token); + templateStack.pop(); + } + } + } + lastNonTriviaToken = token; + } + processToken(); + } while (token !== 1 /* EndOfFileToken */); + return result; + function processToken() { + var start = scanner.getTokenPos(); + var end = scanner.getTextPos(); + addResult(start, end, classFromKind(token)); + if (end >= text.length) { + if (token === 9 /* StringLiteral */ || token === 163 /* StringLiteralType */) { + // Check to see if we finished up on a multiline string literal. + var tokenText = scanner.getTokenText(); + if (scanner.isUnterminated()) { + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* backslash */) { + numBackslashes++; + } + // If we have an odd number of backslashes, then the multiline string is unclosed + if (numBackslashes & 1) { + var quoteChar = tokenText.charCodeAt(0); + result.endOfLineState = quoteChar === 34 /* doubleQuote */ + ? 3 /* InDoubleQuoteStringLiteral */ + : 2 /* InSingleQuoteStringLiteral */; + } + } + } + else if (token === 3 /* MultiLineCommentTrivia */) { + // Check to see if the multiline comment was unclosed. + if (scanner.isUnterminated()) { + result.endOfLineState = 1 /* InMultiLineCommentTrivia */; + } + } + else if (ts.isTemplateLiteralKind(token)) { + if (scanner.isUnterminated()) { + if (token === 14 /* TemplateTail */) { + result.endOfLineState = 5 /* InTemplateMiddleOrTail */; + } + else if (token === 11 /* NoSubstitutionTemplateLiteral */) { + result.endOfLineState = 4 /* InTemplateHeadOrNoSubstitutionTemplate */; + } + else { + ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } + } + } + else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12 /* TemplateHead */) { + result.endOfLineState = 6 /* InTemplateSubstitutionPosition */; + } + } + } + function addResult(start, end, classification) { + if (classification === 8 /* whiteSpace */) { + // Don't bother with whitespace classifications. They're not needed. + return; + } + if (start === 0 && offset > 0) { + // We're classifying the first token, and this was a case where we prepended + // text. We should consider the start of this token to be at the start of + // the original text. + start += offset; + } + // All our tokens are in relation to the augmented text. Move them back to be + // relative to the original text. + start -= offset; + end -= offset; + var length = end - start; + if (length > 0) { + result.spans.push(start); + result.spans.push(length); + result.spans.push(classification); + } + } + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 43 /* LessThanLessThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + case 91 /* InstanceOfKeyword */: + case 90 /* InKeyword */: + case 116 /* AsKeyword */: + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + case 46 /* AmpersandToken */: + case 48 /* CaretToken */: + case 47 /* BarToken */: + case 51 /* AmpersandAmpersandToken */: + case 52 /* BarBarToken */: + case 67 /* BarEqualsToken */: + case 66 /* AmpersandEqualsToken */: + case 68 /* CaretEqualsToken */: + case 63 /* LessThanLessThanEqualsToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 57 /* PlusEqualsToken */: + case 58 /* MinusEqualsToken */: + case 59 /* AsteriskEqualsToken */: + case 61 /* SlashEqualsToken */: + case 62 /* PercentEqualsToken */: + case 56 /* EqualsToken */: + case 24 /* CommaToken */: + return true; + default: + return false; + } + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + return true; + default: + return false; + } + } + function isKeyword(token) { + return token >= 70 /* FirstKeyword */ && token <= 135 /* LastKeyword */; + } + function classFromKind(token) { + if (isKeyword(token)) { + return 3 /* keyword */; + } + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5 /* operator */; + } + else if (token >= 15 /* FirstPunctuation */ && token <= 68 /* LastPunctuation */) { + return 10 /* punctuation */; + } + switch (token) { + case 8 /* NumericLiteral */: + return 4 /* numericLiteral */; + case 9 /* StringLiteral */: + case 163 /* StringLiteralType */: + return 6 /* stringLiteral */; + case 10 /* RegularExpressionLiteral */: + return 7 /* regularExpressionLiteral */; + case 7 /* ConflictMarkerTrivia */: + case 3 /* MultiLineCommentTrivia */: + case 2 /* SingleLineCommentTrivia */: + return 1 /* comment */; + case 5 /* WhitespaceTrivia */: + case 4 /* NewLineTrivia */: + return 8 /* whiteSpace */; + case 69 /* Identifier */: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6 /* stringLiteral */; + } + return 2 /* identifier */; + } + } + return { + getClassificationsForLine: getClassificationsForLine, + getEncodedLexicalClassifications: getEncodedLexicalClassifications + }; + } + ts.createClassifier = createClassifier; + /** + * Get the path of the default library files (lib.d.ts) as distributed with the typescript + * node package. + * The functionality is not supported if the ts module is consumed outside of a node module. + */ + function getDefaultLibFilePath(options) { + // Check __dirname is defined and that we are on a node.js system. + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + function initializeServices() { + ts.objectAllocator = { + getNodeConstructor: function () { return NodeObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; } + }; + } + initializeServices(); +})(ts || (ts = {})); +// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0. +// See LICENSE.txt in the project root for complete license information. +/// +/* @internal */ +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + /** + * Get the breakpoint span in given sourceFile + */ + function spanInSourceFileAtLocation(sourceFile, position) { + // Cannot set breakpoint in dts file + if (sourceFile.flags & 4096 /* DeclarationFile */) { + return undefined; + } + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + // Get previous token if the token is returned starts on new line + // eg: let x =10; |--- cursor is here + // let y = 10; + // token at position will return let keyword on second line as the token but we would like to use + // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line + tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + // Its a blank line + if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { + return undefined; + } + } + // Cannot set breakpoint in ambient declarations + if (ts.isInAmbientContext(tokenAtLocation)) { + return undefined; + } + // Get the span in the node based on its syntax + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); + } + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); + } + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); + } + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + } + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent)); + } + function spanInNode(node) { + if (node) { + switch (node.kind) { + case 196 /* VariableStatement */: + // Span on first variable declaration + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 214 /* VariableDeclaration */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return spanInVariableDeclaration(node); + case 139 /* Parameter */: + return spanInParameterDeclaration(node); + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return spanInFunctionDeclaration(node); + case 195 /* Block */: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + // Fall through + case 222 /* ModuleBlock */: + return spanInBlock(node); + case 247 /* CatchClause */: + return spanInBlock(node.block); + case 198 /* ExpressionStatement */: + // span on the expression + return textSpan(node.expression); + case 207 /* ReturnStatement */: + // span on return keyword and expression if present + return textSpan(node.getChildAt(0), node.expression); + case 201 /* WhileStatement */: + // Span on while(...) + return textSpanEndingAtNextToken(node, node.expression); + case 200 /* DoStatement */: + // span in statement of the do statement + return spanInNode(node.statement); + case 213 /* DebuggerStatement */: + // span on debugger keyword + return textSpan(node.getChildAt(0)); + case 199 /* IfStatement */: + // set on if(..) span + return textSpanEndingAtNextToken(node, node.expression); + case 210 /* LabeledStatement */: + // span in statement + return spanInNode(node.statement); + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + // On break or continue keyword and label if present + return textSpan(node.getChildAt(0), node.label); + case 202 /* ForStatement */: + return spanInForStatement(node); + case 203 /* ForInStatement */: + // span of for (a in ...) + return textSpanEndingAtNextToken(node, node.expression); + case 204 /* ForOfStatement */: + // span in initializer + return spanInInitializerOfForLike(node); + case 209 /* SwitchStatement */: + // span on switch(...) + return textSpanEndingAtNextToken(node, node.expression); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + // span in first statement of the clause + return spanInNode(node.statements[0]); + case 212 /* TryStatement */: + // span in try block + return spanInBlock(node.tryBlock); + case 211 /* ThrowStatement */: + // span in throw ... + return textSpan(node, node.expression); + case 230 /* ExportAssignment */: + // span on export = id + return textSpan(node, node.expression); + case 224 /* ImportEqualsDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleReference); + case 225 /* ImportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 231 /* ExportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 221 /* ModuleDeclaration */: + // span on complete module if it is instantiated + if (ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return undefined; + } + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 166 /* BindingElement */: + // span on complete node + return textSpan(node); + case 208 /* WithStatement */: + // span in statement + return spanInNode(node.statement); + case 140 /* Decorator */: + return spanInNodeArray(node.parent.decorators); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + return spanInBindingPattern(node); + // No breakpoint in interface, type alias + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + return undefined; + // Tokens: + case 23 /* SemicolonToken */: + case 1 /* EndOfFileToken */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 24 /* CommaToken */: + return spanInPreviousNode(node); + case 15 /* OpenBraceToken */: + return spanInOpenBraceToken(node); + case 16 /* CloseBraceToken */: + return spanInCloseBraceToken(node); + case 20 /* CloseBracketToken */: + return spanInCloseBracketToken(node); + case 17 /* OpenParenToken */: + return spanInOpenParenToken(node); + case 18 /* CloseParenToken */: + return spanInCloseParenToken(node); + case 54 /* ColonToken */: + return spanInColonToken(node); + case 27 /* GreaterThanToken */: + case 25 /* LessThanToken */: + return spanInGreaterThanOrLessThanToken(node); + // Keywords: + case 104 /* WhileKeyword */: + return spanInWhileKeyword(node); + case 80 /* ElseKeyword */: + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return spanInNextNode(node); + case 135 /* OfKeyword */: + return spanInOfKeyword(node); + default: + // Destructuring pattern in destructuring assignment + // [a, b, c] of + // [a, b, c] = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + } + // Set breakpoint on identifier element of destructuring pattern + // a or ...c or d: x from + // [a, b, ...c] or { a, b } or { d: x } from destructuring pattern + if ((node.kind === 69 /* Identifier */ || + node.kind == 188 /* SpreadElementExpression */ || + node.kind === 248 /* PropertyAssignment */ || + node.kind === 249 /* ShorthandPropertyAssignment */) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + return textSpan(node); + } + if (node.kind === 184 /* BinaryExpression */) { + var binaryExpression = node; + // Set breakpoint in destructuring pattern if its destructuring assignment + // [a, b, c] or {a, b, c} of + // [a, b, c] = expression or + // {a, b, c} = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); + } + if (binaryExpression.operatorToken.kind === 56 /* EqualsToken */ && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { + // Set breakpoint on assignment expression element of destructuring pattern + // a = expression of + // [a = expression, b, c] = someExpression or + // { a = expression, b, c } = someExpression + return textSpan(node); + } + if (binaryExpression.operatorToken.kind === 24 /* CommaToken */) { + return spanInNode(binaryExpression.left); + } + } + if (ts.isExpression(node)) { + switch (node.parent.kind) { + case 200 /* DoStatement */: + // Set span as if on while keyword + return spanInPreviousNode(node); + case 140 /* Decorator */: + // Set breakpoint on the decorator emit + return spanInNode(node.parent); + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + return textSpan(node); + case 184 /* BinaryExpression */: + if (node.parent.operatorToken.kind === 24 /* CommaToken */) { + // if this is comma expression, the breakpoint is possible in this expression + return textSpan(node); + } + break; + case 177 /* ArrowFunction */: + if (node.parent.body === node) { + // If this is body of arrow function, it is allowed to have the breakpoint + return textSpan(node); + } + break; + } + } + // If this is name of property assignment, set breakpoint in the initializer + if (node.parent.kind === 248 /* PropertyAssignment */ && + node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); + } + // Breakpoint in type assertion goes to its operand + if (node.parent.kind === 174 /* TypeAssertionExpression */ && node.parent.type === node) { + return spanInNextNode(node.parent.type); + } + // return type of function go to previous token + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); + } + // initializer of variable/parameter declaration go to previous node + if ((node.parent.kind === 214 /* VariableDeclaration */ || + node.parent.kind === 139 /* Parameter */)) { + var paramOrVarDecl = node.parent; + if (paramOrVarDecl.initializer === node || + paramOrVarDecl.type === node || + ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } + } + if (node.parent.kind === 184 /* BinaryExpression */) { + var binaryExpression = node.parent; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && + (binaryExpression.right === node || + binaryExpression.operatorToken === node)) { + // If initializer of destructuring assignment move to previous token + return spanInPreviousNode(node); + } + } + // Default go to parent to set the breakpoint + return spanInNode(node.parent); + } + } + function textSpanFromVariableDeclaration(variableDeclaration) { + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] === variableDeclaration) { + // First declaration - include let keyword + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + } + else { + // Span only on this declaration + return textSpan(variableDeclaration); + } + } + function spanInVariableDeclaration(variableDeclaration) { + // If declaration of for in statement, just set the span in parent + if (variableDeclaration.parent.parent.kind === 203 /* ForInStatement */) { + return spanInNode(variableDeclaration.parent.parent); + } + // If this is a destructuring pattern set breakpoint in binding pattern + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); + } + // Breakpoint is possible in variableDeclaration only if there is initialization + // or its declaration from 'for of' + if (variableDeclaration.initializer || + (variableDeclaration.flags & 2 /* Export */) || + variableDeclaration.parent.parent.kind === 204 /* ForOfStatement */) { + return textSpanFromVariableDeclaration(variableDeclaration); + } + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] !== variableDeclaration) { + // If we cant set breakpoint on this declaration, set it on previous one + // Because the variable declaration may be binding pattern and + // we would like to set breakpoint in last binding element if thats the case, + // use preceding token instead + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + } + } + function canHaveSpanInParameterDeclaration(parameter) { + // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + !!(parameter.flags & 8 /* Public */) || !!(parameter.flags & 16 /* Private */); + } + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + // set breakpoint in binding pattern + return spanInBindingPattern(parameter.name); + } + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); + } + else { + var functionDeclaration = parameter.parent; + var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); + if (indexOfParameter) { + // Not a first parameter, go to previous parameter + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + // Set breakpoint in the function declaration body + return spanInNode(functionDeclaration.body); + } + } + } + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return !!(functionDeclaration.flags & 2 /* Export */) || + (functionDeclaration.parent.kind === 217 /* ClassDeclaration */ && functionDeclaration.kind !== 145 /* Constructor */); + } + function spanInFunctionDeclaration(functionDeclaration) { + // No breakpoints in the function signature + if (!functionDeclaration.body) { + return undefined; + } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + // Set the span on whole function declaration + return textSpan(functionDeclaration); + } + // Set span in function body + return spanInNode(functionDeclaration.body); + } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); + } + return spanInNode(nodeForSpanInBlock); + } + function spanInBlock(block) { + switch (block.parent.kind) { + case 221 /* ModuleDeclaration */: + if (ts.getModuleInstanceState(block.parent) !== 1 /* Instantiated */) { + return undefined; + } + // Set on parent if on same line otherwise on first statement + case 201 /* WhileStatement */: + case 199 /* IfStatement */: + case 203 /* ForInStatement */: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + // Set span on previous token if it starts on same line otherwise on the first statement of the block + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); + } + // Default action is to set on first statement + return spanInNode(block.statements[0]); + } + function spanInInitializerOfForLike(forLikeStaement) { + if (forLikeStaement.initializer.kind === 215 /* VariableDeclarationList */) { + // declaration list, set breakpoint in first declaration + var variableDeclarationList = forLikeStaement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); + } + } + else { + // Expression - set breakpoint in it + return spanInNode(forLikeStaement.initializer); + } + } + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); + } + } + function spanInBindingPattern(bindingPattern) { + // Set breakpoint in first binding element + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Empty binding pattern of binding element, set breakpoint on binding element + if (bindingPattern.parent.kind === 166 /* BindingElement */) { + return textSpan(bindingPattern.parent); + } + // Variable declaration is used as the span + return textSpanFromVariableDeclaration(bindingPattern.parent); + } + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 165 /* ArrayBindingPattern */ && node.kind !== 164 /* ObjectBindingPattern */); + var elements = node.kind === 167 /* ArrayLiteralExpression */ ? + node.elements : + node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Could be ArrayLiteral from destructuring assignment or + // just nested element in another destructuring assignment + // set breakpoint on assignment when parent is destructuring assignment + // Otherwise set breakpoint for this element + return textSpan(node.parent.kind === 184 /* BinaryExpression */ ? node.parent : node); + } + // Tokens: + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 220 /* EnumDeclaration */: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 217 /* ClassDeclaration */: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 223 /* CaseBlock */: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 222 /* ModuleBlock */: + // If this is not instantiated module block no bp span + if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* Instantiated */) { + return undefined; + } + case 220 /* EnumDeclaration */: + case 217 /* ClassDeclaration */: + // Span on close brace token + return textSpan(node); + case 195 /* Block */: + if (ts.isFunctionBlock(node.parent)) { + // Span on close brace token + return textSpan(node); + } + // fall through. + case 247 /* CatchClause */: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 223 /* CaseBlock */: + // breakpoint in last statement of the last clause + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 164 /* ObjectBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + // Default to parent node + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); + } + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 165 /* ArrayBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + // Default to parent node + return spanInNode(node.parent); + } + } + function spanInOpenParenToken(node) { + if (node.parent.kind === 200 /* DoStatement */ || + node.parent.kind === 171 /* CallExpression */ || + node.parent.kind === 172 /* NewExpression */) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 175 /* ParenthesizedExpression */) { + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseParenToken(node) { + // Is this close paren token of parameter list, set span in previous token + switch (node.parent.kind) { + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 201 /* WhileStatement */: + case 200 /* DoStatement */: + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 175 /* ParenthesizedExpression */: + return spanInPreviousNode(node); + // Default to parent node + default: + return spanInNode(node.parent); + } + } + function spanInColonToken(node) { + // Is this : specifying return annotation of the function declaration + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 248 /* PropertyAssignment */ || + node.parent.kind === 139 /* Parameter */) { + return spanInPreviousNode(node); + } + return spanInNode(node.parent); + } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 174 /* TypeAssertionExpression */) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 200 /* DoStatement */) { + // Set span on while expression + return textSpanEndingAtNextToken(node, node.parent.expression); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 204 /* ForOfStatement */) { + // set using next token + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + } + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +// +// Copyright (c) Microsoft Corporation. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +/// +/* @internal */ +var debugObjectHost = this; +// We need to use 'null' to interface with the managed side. +/* tslint:disable:no-null */ +/* tslint:disable:no-in-operator */ +/* @internal */ +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + // TODO: should this be '==='? + if (encoded == null) { + return null; + } + var decoded = JSON.parse(encoded); + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments + // 'in' does not have this effect + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + // if shimHost is a COM object then property check will become method call with no arguments. + // 'in' does not have this effect. + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); + return ts.map(moduleNames, function (name) { + var result = ts.lookUp(resolutionsInFile, name); + return result ? { resolvedFileName: result } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + // shimmed host does not support getProjectVersion + return undefined; + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + // TODO: should this be '==='? + if (settingsJson == null || settingsJson == "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + return JSON.parse(settingsJson); + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return this.files = JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + /** A cancellation that throttles calls to the host */ + var ThrottledCancellationToken = (function () { + function ThrottledCancellationToken(hostCancellationToken) { + this.hostCancellationToken = hostCancellationToken; + // Store when we last tried to cancel. Checking cancellation can be expensive (as we have + // to marshall over to the host layer). So we only bother actually checking once enough + // time has passed. + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = Date.now(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration > 10) { + // Check no more than once every 10 ms. + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); + } + return false; + }; + return ThrottledCancellationToken; + }()); + var CoreServicesShimHostAdapter = (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { + var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); + return JSON.parse(encoded); + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = Date.now(); + } + var result = action(); + if (logPerformance) { + var end = Date.now(); + logger.log(actionDescription + " completed in " + (end - start) + " msec"); + if (typeof result === "string") { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; + } + logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); + } + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return JSON.stringify({ result: result }); + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); + } + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + /// TODO: no need for the tolowerCase call + category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), + code: diagnostic.code + }; + } + var LanguageServiceShimObject = (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + _super.call(this, factory); + this.host = host; + this.languageService = languageService; + this.logPerformance = false; + this.logger = this.host; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + /// DISPOSE + /** + * Ensure (almost) deterministic release of internal Javascript resources when + * some external native objects holds onto us (e.g. Com/Interop). + */ + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; + // force a GC + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; + _super.prototype.dispose.call(this, dummy); + }; + /// REFRESH + /** + * Update the list of scripts known to the compiler + */ + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return ts.realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + /// QUICKINFO + /** + * Computes a string representation of the type at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + /// NAMEORDOTTEDNAMESPAN + /** + * Computes span information of the name or dotted name at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + /** + * STATEMENTSPAN + * Computes span information of statement at the requested position in the active file. + */ + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + /// SIGNATUREHELP + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); + }; + /// GOTO DEFINITION + /** + * Computes the definition location and file for the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + /// GOTO Type + /** + * Computes the definition location of the type of the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); + }; + /// GET BRACE MATCHING + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + /// GET SMART INDENT + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + /// GET REFERENCES + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + // workaround for VS document higlighting issue - keep only items from the initial file + var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); + return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); + }); + }; + /// COMPLETION LISTS + /** + * Get a string based representation of the completions + * to provide at the given source position and providing a member completion + * list if requested. + */ + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + }; + /** Get a string based representation of a completion list entry details */ + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); + }; + /// NAVIGATE TO + /** Return a list of symbols that are interesting to navigate to */ + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + /// Emit + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + _super.call(this, factory); + this.logger = logger; + this.logPerformance = false; + this.classifier = ts.createClassifier(); + } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + /// COLORIZATION + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; + } + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + _super.call(this, factory); + this.logger = logger; + this.host = host; + this.logPerformance = false; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { + // for now treat files as JavaScript + var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true); + var convertResult = { + referencedFiles: [], + importedFiles: [], + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile + }; + ts.forEach(result.referencedFiles, function (refFile) { + convertResult.referencedFiles.push({ + path: ts.normalizePath(refFile.fileName), + position: refFile.pos, + length: refFile.end - refFile.pos + }); + }); + ts.forEach(result.importedFiles, function (importedFile) { + convertResult.importedFiles.push({ + path: ts.normalizeSlashes(importedFile.fileName), + position: importedFile.pos, + length: importedFile.end - importedFile.pos + }); + }); + return convertResult; + }); + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { + var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); + var result = ts.parseConfigFileTextToJson(fileName, text); + if (result.error) { + return { + options: {}, + files: [], + errors: [realizeDiagnostic(result.error, "\r\n")] + }; + } + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName); + return { + options: configFile.options, + files: configFile.fileNames, + errors: realizeDiagnostics(configFile.errors, "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = (function () { + function TypeScriptServicesFactory() { + this._shims = []; + } + /* + * Returns script API version. + */ + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + } + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); + return new LanguageServiceShimObject(this, host, languageService); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); + } + catch (err) { + logInternalError(logger, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.close = function () { + // Forget all the registered shims + this._shims = []; + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0, n = this._shims.length; i < n; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; + } + } + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; + if (typeof module !== "undefined" && module.exports) { + module.exports = ts; + } +})(ts || (ts = {})); +/* tslint:enable:no-in-operator */ +/* tslint:enable:no-null */ +/// TODO: this is used by VS, clean this up on both sides of the interface +/* @internal */ +var TypeScript; +(function (TypeScript) { + var Services; + (function (Services) { + Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + })(Services = TypeScript.Services || (TypeScript.Services = {})); +})(TypeScript || (TypeScript = {})); +/* tslint:disable:no-unused-variable */ +// 'toolsVersion' gets consumed by the managed side, so it's not unused. +// TODO: it should be moved into a namespace though. +/* @internal */ +var toolsVersion = "1.8"; +/* tslint:enable:no-unused-variable */ diff --git a/lib/typescriptServices.d.ts b/lib/typescriptServices.d.ts index a4513bcfdd987..3b098c5dc2478 100644 --- a/lib/typescriptServices.d.ts +++ b/lib/typescriptServices.d.ts @@ -13,2307 +13,2307 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -declare namespace ts { - interface Map { - [index: string]: T; - } - type Path = string & { - __pathBrand: any; - }; - interface FileMap { - get(fileName: Path): T; - set(fileName: Path, value: T): void; - contains(fileName: Path): boolean; - remove(fileName: Path): void; - forEachValue(f: (key: Path, v: T) => void): void; - clear(): void; - } - interface TextRange { - pos: number; - end: number; - } - enum SyntaxKind { - Unknown = 0, - EndOfFileToken = 1, - SingleLineCommentTrivia = 2, - MultiLineCommentTrivia = 3, - NewLineTrivia = 4, - WhitespaceTrivia = 5, - ShebangTrivia = 6, - ConflictMarkerTrivia = 7, - NumericLiteral = 8, - StringLiteral = 9, - RegularExpressionLiteral = 10, - NoSubstitutionTemplateLiteral = 11, - TemplateHead = 12, - TemplateMiddle = 13, - TemplateTail = 14, - OpenBraceToken = 15, - CloseBraceToken = 16, - OpenParenToken = 17, - CloseParenToken = 18, - OpenBracketToken = 19, - CloseBracketToken = 20, - DotToken = 21, - DotDotDotToken = 22, - SemicolonToken = 23, - CommaToken = 24, - LessThanToken = 25, - LessThanSlashToken = 26, - GreaterThanToken = 27, - LessThanEqualsToken = 28, - GreaterThanEqualsToken = 29, - EqualsEqualsToken = 30, - ExclamationEqualsToken = 31, - EqualsEqualsEqualsToken = 32, - ExclamationEqualsEqualsToken = 33, - EqualsGreaterThanToken = 34, - PlusToken = 35, - MinusToken = 36, - AsteriskToken = 37, - AsteriskAsteriskToken = 38, - SlashToken = 39, - PercentToken = 40, - PlusPlusToken = 41, - MinusMinusToken = 42, - LessThanLessThanToken = 43, - GreaterThanGreaterThanToken = 44, - GreaterThanGreaterThanGreaterThanToken = 45, - AmpersandToken = 46, - BarToken = 47, - CaretToken = 48, - ExclamationToken = 49, - TildeToken = 50, - AmpersandAmpersandToken = 51, - BarBarToken = 52, - QuestionToken = 53, - ColonToken = 54, - AtToken = 55, - EqualsToken = 56, - PlusEqualsToken = 57, - MinusEqualsToken = 58, - AsteriskEqualsToken = 59, - AsteriskAsteriskEqualsToken = 60, - SlashEqualsToken = 61, - PercentEqualsToken = 62, - LessThanLessThanEqualsToken = 63, - GreaterThanGreaterThanEqualsToken = 64, - GreaterThanGreaterThanGreaterThanEqualsToken = 65, - AmpersandEqualsToken = 66, - BarEqualsToken = 67, - CaretEqualsToken = 68, - Identifier = 69, - BreakKeyword = 70, - CaseKeyword = 71, - CatchKeyword = 72, - ClassKeyword = 73, - ConstKeyword = 74, - ContinueKeyword = 75, - DebuggerKeyword = 76, - DefaultKeyword = 77, - DeleteKeyword = 78, - DoKeyword = 79, - ElseKeyword = 80, - EnumKeyword = 81, - ExportKeyword = 82, - ExtendsKeyword = 83, - FalseKeyword = 84, - FinallyKeyword = 85, - ForKeyword = 86, - FunctionKeyword = 87, - IfKeyword = 88, - ImportKeyword = 89, - InKeyword = 90, - InstanceOfKeyword = 91, - NewKeyword = 92, - NullKeyword = 93, - ReturnKeyword = 94, - SuperKeyword = 95, - SwitchKeyword = 96, - ThisKeyword = 97, - ThrowKeyword = 98, - TrueKeyword = 99, - TryKeyword = 100, - TypeOfKeyword = 101, - VarKeyword = 102, - VoidKeyword = 103, - WhileKeyword = 104, - WithKeyword = 105, - ImplementsKeyword = 106, - InterfaceKeyword = 107, - LetKeyword = 108, - PackageKeyword = 109, - PrivateKeyword = 110, - ProtectedKeyword = 111, - PublicKeyword = 112, - StaticKeyword = 113, - YieldKeyword = 114, - AbstractKeyword = 115, - AsKeyword = 116, - AnyKeyword = 117, - AsyncKeyword = 118, - AwaitKeyword = 119, - BooleanKeyword = 120, - ConstructorKeyword = 121, - DeclareKeyword = 122, - GetKeyword = 123, - IsKeyword = 124, - ModuleKeyword = 125, - NamespaceKeyword = 126, - RequireKeyword = 127, - NumberKeyword = 128, - SetKeyword = 129, - StringKeyword = 130, - SymbolKeyword = 131, - TypeKeyword = 132, - FromKeyword = 133, - GlobalKeyword = 134, - OfKeyword = 135, - QualifiedName = 136, - ComputedPropertyName = 137, - TypeParameter = 138, - Parameter = 139, - Decorator = 140, - PropertySignature = 141, - PropertyDeclaration = 142, - MethodSignature = 143, - MethodDeclaration = 144, - Constructor = 145, - GetAccessor = 146, - SetAccessor = 147, - CallSignature = 148, - ConstructSignature = 149, - IndexSignature = 150, - TypePredicate = 151, - TypeReference = 152, - FunctionType = 153, - ConstructorType = 154, - TypeQuery = 155, - TypeLiteral = 156, - ArrayType = 157, - TupleType = 158, - UnionType = 159, - IntersectionType = 160, - ParenthesizedType = 161, - ThisType = 162, - StringLiteralType = 163, - ObjectBindingPattern = 164, - ArrayBindingPattern = 165, - BindingElement = 166, - ArrayLiteralExpression = 167, - ObjectLiteralExpression = 168, - PropertyAccessExpression = 169, - ElementAccessExpression = 170, - CallExpression = 171, - NewExpression = 172, - TaggedTemplateExpression = 173, - TypeAssertionExpression = 174, - ParenthesizedExpression = 175, - FunctionExpression = 176, - ArrowFunction = 177, - DeleteExpression = 178, - TypeOfExpression = 179, - VoidExpression = 180, - AwaitExpression = 181, - PrefixUnaryExpression = 182, - PostfixUnaryExpression = 183, - BinaryExpression = 184, - ConditionalExpression = 185, - TemplateExpression = 186, - YieldExpression = 187, - SpreadElementExpression = 188, - ClassExpression = 189, - OmittedExpression = 190, - ExpressionWithTypeArguments = 191, - AsExpression = 192, - TemplateSpan = 193, - SemicolonClassElement = 194, - Block = 195, - VariableStatement = 196, - EmptyStatement = 197, - ExpressionStatement = 198, - IfStatement = 199, - DoStatement = 200, - WhileStatement = 201, - ForStatement = 202, - ForInStatement = 203, - ForOfStatement = 204, - ContinueStatement = 205, - BreakStatement = 206, - ReturnStatement = 207, - WithStatement = 208, - SwitchStatement = 209, - LabeledStatement = 210, - ThrowStatement = 211, - TryStatement = 212, - DebuggerStatement = 213, - VariableDeclaration = 214, - VariableDeclarationList = 215, - FunctionDeclaration = 216, - ClassDeclaration = 217, - InterfaceDeclaration = 218, - TypeAliasDeclaration = 219, - EnumDeclaration = 220, - ModuleDeclaration = 221, - ModuleBlock = 222, - CaseBlock = 223, - ImportEqualsDeclaration = 224, - ImportDeclaration = 225, - ImportClause = 226, - NamespaceImport = 227, - NamedImports = 228, - ImportSpecifier = 229, - ExportAssignment = 230, - ExportDeclaration = 231, - NamedExports = 232, - ExportSpecifier = 233, - MissingDeclaration = 234, - ExternalModuleReference = 235, - JsxElement = 236, - JsxSelfClosingElement = 237, - JsxOpeningElement = 238, - JsxText = 239, - JsxClosingElement = 240, - JsxAttribute = 241, - JsxSpreadAttribute = 242, - JsxExpression = 243, - CaseClause = 244, - DefaultClause = 245, - HeritageClause = 246, - CatchClause = 247, - PropertyAssignment = 248, - ShorthandPropertyAssignment = 249, - EnumMember = 250, - SourceFile = 251, - JSDocTypeExpression = 252, - JSDocAllType = 253, - JSDocUnknownType = 254, - JSDocArrayType = 255, - JSDocUnionType = 256, - JSDocTupleType = 257, - JSDocNullableType = 258, - JSDocNonNullableType = 259, - JSDocRecordType = 260, - JSDocRecordMember = 261, - JSDocTypeReference = 262, - JSDocOptionalType = 263, - JSDocFunctionType = 264, - JSDocVariadicType = 265, - JSDocConstructorType = 266, - JSDocThisType = 267, - JSDocComment = 268, - JSDocTag = 269, - JSDocParameterTag = 270, - JSDocReturnTag = 271, - JSDocTypeTag = 272, - JSDocTemplateTag = 273, - SyntaxList = 274, - Count = 275, - FirstAssignment = 56, - LastAssignment = 68, - FirstReservedWord = 70, - LastReservedWord = 105, - FirstKeyword = 70, - LastKeyword = 135, - FirstFutureReservedWord = 106, - LastFutureReservedWord = 114, - FirstTypeNode = 151, - LastTypeNode = 163, - FirstPunctuation = 15, - LastPunctuation = 68, - FirstToken = 0, - LastToken = 135, - FirstTriviaToken = 2, - LastTriviaToken = 7, - FirstLiteralToken = 8, - LastLiteralToken = 11, - FirstTemplateToken = 11, - LastTemplateToken = 14, - FirstBinaryOperator = 25, - LastBinaryOperator = 68, - FirstNode = 136, - } - enum NodeFlags { - None = 0, - Export = 2, - Ambient = 4, - Public = 8, - Private = 16, - Protected = 32, - Static = 64, - Abstract = 128, - Async = 256, - Default = 512, - MultiLine = 1024, - Synthetic = 2048, - DeclarationFile = 4096, - Let = 8192, - Const = 16384, - OctalLiteral = 32768, - Namespace = 65536, - ExportContext = 131072, - ContainsThis = 262144, - HasImplicitReturn = 524288, - HasExplicitReturn = 1048576, - GlobalAugmentation = 2097152, - HasClassExtends = 4194304, - HasDecorators = 8388608, - HasParamDecorators = 16777216, - HasAsyncFunctions = 33554432, - Modifier = 1022, - AccessibilityModifier = 56, - BlockScoped = 24576, - ReachabilityCheckFlags = 1572864, - EmitHelperFlags = 62914560, - } - enum JsxFlags { - None = 0, - /** An element from a named property of the JSX.IntrinsicElements interface */ - IntrinsicNamedElement = 1, - /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ - IntrinsicIndexedElement = 2, - /** An element backed by a class, class-like, or function value */ - ValueElement = 4, - /** Element resolution failed */ - UnknownElement = 16, - IntrinsicElement = 3, - } - interface Node extends TextRange { - kind: SyntaxKind; - flags: NodeFlags; - decorators?: NodeArray; - modifiers?: ModifiersArray; - parent?: Node; - } - interface NodeArray extends Array, TextRange { - hasTrailingComma?: boolean; - } - interface ModifiersArray extends NodeArray { - flags: number; - } - interface Modifier extends Node { - } - interface Identifier extends PrimaryExpression { - text: string; - originalKeywordKind?: SyntaxKind; - } - interface QualifiedName extends Node { - left: EntityName; - right: Identifier; - } - type EntityName = Identifier | QualifiedName; - type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; - type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; - interface Declaration extends Node { - _declarationBrand: any; - name?: DeclarationName; - } - interface DeclarationStatement extends Declaration, Statement { - name?: Identifier; - } - interface ComputedPropertyName extends Node { - expression: Expression; - } - interface Decorator extends Node { - expression: LeftHandSideExpression; - } - interface TypeParameterDeclaration extends Declaration { - name: Identifier; - constraint?: TypeNode; - expression?: Expression; - } - interface SignatureDeclaration extends Declaration { - name?: PropertyName; - typeParameters?: NodeArray; - parameters: NodeArray; - type?: TypeNode; - } - interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { - } - interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { - } - interface VariableDeclaration extends Declaration { - parent?: VariableDeclarationList; - name: Identifier | BindingPattern; - type?: TypeNode; - initializer?: Expression; - } - interface VariableDeclarationList extends Node { - declarations: NodeArray; - } - interface ParameterDeclaration extends Declaration { - dotDotDotToken?: Node; - name: Identifier | BindingPattern; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface BindingElement extends Declaration { - propertyName?: PropertyName; - dotDotDotToken?: Node; - name: Identifier | BindingPattern; - initializer?: Expression; - } - interface PropertySignature extends TypeElement { - name: PropertyName; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface PropertyDeclaration extends ClassElement { - questionToken?: Node; - name: PropertyName; - type?: TypeNode; - initializer?: Expression; - } - interface ObjectLiteralElement extends Declaration { - _objectLiteralBrandBrand: any; - name?: PropertyName; - } - interface PropertyAssignment extends ObjectLiteralElement { - _propertyAssignmentBrand: any; - name: PropertyName; - questionToken?: Node; - initializer: Expression; - } - interface ShorthandPropertyAssignment extends ObjectLiteralElement { - name: Identifier; - questionToken?: Node; - equalsToken?: Node; - objectAssignmentInitializer?: Expression; - } - interface VariableLikeDeclaration extends Declaration { - propertyName?: PropertyName; - dotDotDotToken?: Node; - name: DeclarationName; - questionToken?: Node; - type?: TypeNode; - initializer?: Expression; - } - interface PropertyLikeDeclaration extends Declaration { - name: PropertyName; - } - interface BindingPattern extends Node { - elements: NodeArray; - } - interface ObjectBindingPattern extends BindingPattern { - } - interface ArrayBindingPattern extends BindingPattern { - } - /** - * Several node kinds share function-like features such as a signature, - * a name, and a body. These nodes should extend FunctionLikeDeclaration. - * Examples: - * - FunctionDeclaration - * - MethodDeclaration - * - AccessorDeclaration - */ - interface FunctionLikeDeclaration extends SignatureDeclaration { - _functionLikeDeclarationBrand: any; - asteriskToken?: Node; - questionToken?: Node; - body?: Block | Expression; - } - interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { - name?: Identifier; - body?: FunctionBody; - } - interface MethodSignature extends SignatureDeclaration, TypeElement { - name: PropertyName; - } - interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - name: PropertyName; - body?: FunctionBody; - } - interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { - body?: FunctionBody; - } - interface SemicolonClassElement extends ClassElement { - _semicolonClassElementBrand: any; - } - interface AccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { - _accessorDeclarationBrand: any; - name: PropertyName; - body: FunctionBody; - } - interface GetAccessorDeclaration extends AccessorDeclaration { - } - interface SetAccessorDeclaration extends AccessorDeclaration { - } - interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { - _indexSignatureDeclarationBrand: any; - } - interface TypeNode extends Node { - _typeNodeBrand: any; - } - interface ThisTypeNode extends TypeNode { - _thisTypeNodeBrand: any; - } - interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { - _functionOrConstructorTypeNodeBrand: any; - } - interface FunctionTypeNode extends FunctionOrConstructorTypeNode { - } - interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { - } - interface TypeReferenceNode extends TypeNode { - typeName: EntityName; - typeArguments?: NodeArray; - } - interface TypePredicateNode extends TypeNode { - parameterName: Identifier | ThisTypeNode; - type: TypeNode; - } - interface TypeQueryNode extends TypeNode { - exprName: EntityName; - } - interface TypeLiteralNode extends TypeNode, Declaration { - members: NodeArray; - } - interface ArrayTypeNode extends TypeNode { - elementType: TypeNode; - } - interface TupleTypeNode extends TypeNode { - elementTypes: NodeArray; - } - interface UnionOrIntersectionTypeNode extends TypeNode { - types: NodeArray; - } - interface UnionTypeNode extends UnionOrIntersectionTypeNode { - } - interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { - } - interface ParenthesizedTypeNode extends TypeNode { - type: TypeNode; - } - interface StringLiteralTypeNode extends LiteralLikeNode, TypeNode { - _stringLiteralTypeBrand: any; - } - interface StringLiteral extends LiteralExpression { - _stringLiteralBrand: any; - } - interface Expression extends Node { - _expressionBrand: any; - contextualType?: Type; - } - interface OmittedExpression extends Expression { - } - interface UnaryExpression extends Expression { - _unaryExpressionBrand: any; - } - interface IncrementExpression extends UnaryExpression { - _incrementExpressionBrand: any; - } - interface PrefixUnaryExpression extends IncrementExpression { - operator: SyntaxKind; - operand: UnaryExpression; - } - interface PostfixUnaryExpression extends IncrementExpression { - operand: LeftHandSideExpression; - operator: SyntaxKind; - } - interface PostfixExpression extends UnaryExpression { - _postfixExpressionBrand: any; - } - interface LeftHandSideExpression extends IncrementExpression { - _leftHandSideExpressionBrand: any; - } - interface MemberExpression extends LeftHandSideExpression { - _memberExpressionBrand: any; - } - interface PrimaryExpression extends MemberExpression { - _primaryExpressionBrand: any; - } - interface DeleteExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface TypeOfExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface VoidExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface AwaitExpression extends UnaryExpression { - expression: UnaryExpression; - } - interface YieldExpression extends Expression { - asteriskToken?: Node; - expression?: Expression; - } - interface BinaryExpression extends Expression, Declaration { - left: Expression; - operatorToken: Node; - right: Expression; - } - interface ConditionalExpression extends Expression { - condition: Expression; - questionToken: Node; - whenTrue: Expression; - colonToken: Node; - whenFalse: Expression; - } - type FunctionBody = Block; - type ConciseBody = FunctionBody | Expression; - interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { - name?: Identifier; - body: FunctionBody; - } - interface ArrowFunction extends Expression, FunctionLikeDeclaration { - equalsGreaterThanToken: Node; - body: ConciseBody; - } - interface LiteralLikeNode extends Node { - text: string; - isUnterminated?: boolean; - hasExtendedUnicodeEscape?: boolean; - } - interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { - _literalExpressionBrand: any; - } - interface TemplateLiteralFragment extends LiteralLikeNode { - _templateLiteralFragmentBrand: any; - } - interface TemplateExpression extends PrimaryExpression { - head: TemplateLiteralFragment; - templateSpans: NodeArray; - } - interface TemplateSpan extends Node { - expression: Expression; - literal: TemplateLiteralFragment; - } - interface ParenthesizedExpression extends PrimaryExpression { - expression: Expression; - } - interface ArrayLiteralExpression extends PrimaryExpression { - elements: NodeArray; - } - interface SpreadElementExpression extends Expression { - expression: Expression; - } - interface ObjectLiteralExpression extends PrimaryExpression, Declaration { - properties: NodeArray; - } - interface PropertyAccessExpression extends MemberExpression, Declaration { - expression: LeftHandSideExpression; - dotToken: Node; - name: Identifier; - } - interface ElementAccessExpression extends MemberExpression { - expression: LeftHandSideExpression; - argumentExpression?: Expression; - } - interface CallExpression extends LeftHandSideExpression, Declaration { - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - arguments: NodeArray; - } - interface ExpressionWithTypeArguments extends TypeNode { - expression: LeftHandSideExpression; - typeArguments?: NodeArray; - } - interface NewExpression extends CallExpression, PrimaryExpression { - } - interface TaggedTemplateExpression extends MemberExpression { - tag: LeftHandSideExpression; - template: LiteralExpression | TemplateExpression; - } - type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; - interface AsExpression extends Expression { - expression: Expression; - type: TypeNode; - } - interface TypeAssertion extends UnaryExpression { - type: TypeNode; - expression: UnaryExpression; - } - type AssertionExpression = TypeAssertion | AsExpression; - interface JsxElement extends PrimaryExpression { - openingElement: JsxOpeningElement; - children: NodeArray; - closingElement: JsxClosingElement; - } - interface JsxOpeningElement extends Expression { - _openingElementBrand?: any; - tagName: EntityName; - attributes: NodeArray; - } - interface JsxSelfClosingElement extends PrimaryExpression, JsxOpeningElement { - _selfClosingElementBrand?: any; - } - type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; - interface JsxAttribute extends Node { - name: Identifier; - initializer?: Expression; - } - interface JsxSpreadAttribute extends Node { - expression: Expression; - } - interface JsxClosingElement extends Node { - tagName: EntityName; - } - interface JsxExpression extends Expression { - expression?: Expression; - } - interface JsxText extends Node { - _jsxTextExpressionBrand: any; - } - type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; - interface Statement extends Node { - _statementBrand: any; - } - interface EmptyStatement extends Statement { - } - interface DebuggerStatement extends Statement { - } - interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { - name?: Identifier; - } - type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; - interface Block extends Statement { - statements: NodeArray; - } - interface VariableStatement extends Statement { - declarationList: VariableDeclarationList; - } - interface ExpressionStatement extends Statement { - expression: Expression; - } - interface IfStatement extends Statement { - expression: Expression; - thenStatement: Statement; - elseStatement?: Statement; - } - interface IterationStatement extends Statement { - statement: Statement; - } - interface DoStatement extends IterationStatement { - expression: Expression; - } - interface WhileStatement extends IterationStatement { - expression: Expression; - } - interface ForStatement extends IterationStatement { - initializer?: VariableDeclarationList | Expression; - condition?: Expression; - incrementor?: Expression; - } - interface ForInStatement extends IterationStatement { - initializer: VariableDeclarationList | Expression; - expression: Expression; - } - interface ForOfStatement extends IterationStatement { - initializer: VariableDeclarationList | Expression; - expression: Expression; - } - interface BreakStatement extends Statement { - label?: Identifier; - } - interface ContinueStatement extends Statement { - label?: Identifier; - } - type BreakOrContinueStatement = BreakStatement | ContinueStatement; - interface ReturnStatement extends Statement { - expression?: Expression; - } - interface WithStatement extends Statement { - expression: Expression; - statement: Statement; - } - interface SwitchStatement extends Statement { - expression: Expression; - caseBlock: CaseBlock; - } - interface CaseBlock extends Node { - clauses: NodeArray; - } - interface CaseClause extends Node { - expression: Expression; - statements: NodeArray; - } - interface DefaultClause extends Node { - statements: NodeArray; - } - type CaseOrDefaultClause = CaseClause | DefaultClause; - interface LabeledStatement extends Statement { - label: Identifier; - statement: Statement; - } - interface ThrowStatement extends Statement { - expression: Expression; - } - interface TryStatement extends Statement { - tryBlock: Block; - catchClause?: CatchClause; - finallyBlock?: Block; - } - interface CatchClause extends Node { - variableDeclaration: VariableDeclaration; - block: Block; - } - interface ClassLikeDeclaration extends Declaration { - name?: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; - } - interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { - name?: Identifier; - } - interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { - } - interface ClassElement extends Declaration { - _classElementBrand: any; - name?: PropertyName; - } - interface TypeElement extends Declaration { - _typeElementBrand: any; - name?: PropertyName; - questionToken?: Node; - } - interface InterfaceDeclaration extends DeclarationStatement { - name: Identifier; - typeParameters?: NodeArray; - heritageClauses?: NodeArray; - members: NodeArray; - } - interface HeritageClause extends Node { - token: SyntaxKind; - types?: NodeArray; - } - interface TypeAliasDeclaration extends DeclarationStatement { - name: Identifier; - typeParameters?: NodeArray; - type: TypeNode; - } - interface EnumMember extends Declaration { - name: DeclarationName; - initializer?: Expression; - } - interface EnumDeclaration extends DeclarationStatement { - name: Identifier; - members: NodeArray; - } - type ModuleBody = ModuleBlock | ModuleDeclaration; - interface ModuleDeclaration extends DeclarationStatement { - name: Identifier | LiteralExpression; - body: ModuleBlock | ModuleDeclaration; - } - interface ModuleBlock extends Node, Statement { - statements: NodeArray; - } - interface ImportEqualsDeclaration extends DeclarationStatement { - name: Identifier; - moduleReference: EntityName | ExternalModuleReference; - } - interface ExternalModuleReference extends Node { - expression?: Expression; - } - interface ImportDeclaration extends Statement { - importClause?: ImportClause; - moduleSpecifier: Expression; - } - interface ImportClause extends Declaration { - name?: Identifier; - namedBindings?: NamespaceImport | NamedImports; - } - interface NamespaceImport extends Declaration { - name: Identifier; - } - interface ExportDeclaration extends DeclarationStatement { - exportClause?: NamedExports; - moduleSpecifier?: Expression; - } - interface NamedImports extends Node { - elements: NodeArray; - } - interface NamedExports extends Node { - elements: NodeArray; - } - type NamedImportsOrExports = NamedImports | NamedExports; - interface ImportSpecifier extends Declaration { - propertyName?: Identifier; - name: Identifier; - } - interface ExportSpecifier extends Declaration { - propertyName?: Identifier; - name: Identifier; - } - type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; - interface ExportAssignment extends DeclarationStatement { - isExportEquals?: boolean; - expression: Expression; - } - interface FileReference extends TextRange { - fileName: string; - } - interface CommentRange extends TextRange { - hasTrailingNewLine?: boolean; - kind: SyntaxKind; - } - interface JSDocTypeExpression extends Node { - type: JSDocType; - } - interface JSDocType extends TypeNode { - _jsDocTypeBrand: any; - } - interface JSDocAllType extends JSDocType { - _JSDocAllTypeBrand: any; - } - interface JSDocUnknownType extends JSDocType { - _JSDocUnknownTypeBrand: any; - } - interface JSDocArrayType extends JSDocType { - elementType: JSDocType; - } - interface JSDocUnionType extends JSDocType { - types: NodeArray; - } - interface JSDocTupleType extends JSDocType { - types: NodeArray; - } - interface JSDocNonNullableType extends JSDocType { - type: JSDocType; - } - interface JSDocNullableType extends JSDocType { - type: JSDocType; - } - interface JSDocRecordType extends JSDocType, TypeLiteralNode { - members: NodeArray; - } - interface JSDocTypeReference extends JSDocType { - name: EntityName; - typeArguments: NodeArray; - } - interface JSDocOptionalType extends JSDocType { - type: JSDocType; - } - interface JSDocFunctionType extends JSDocType, SignatureDeclaration { - parameters: NodeArray; - type: JSDocType; - } - interface JSDocVariadicType extends JSDocType { - type: JSDocType; - } - interface JSDocConstructorType extends JSDocType { - type: JSDocType; - } - interface JSDocThisType extends JSDocType { - type: JSDocType; - } - type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; - interface JSDocRecordMember extends PropertySignature { - name: Identifier | LiteralExpression; - type?: JSDocType; - } - interface JSDocComment extends Node { - tags: NodeArray; - } - interface JSDocTag extends Node { - atToken: Node; - tagName: Identifier; - } - interface JSDocTemplateTag extends JSDocTag { - typeParameters: NodeArray; - } - interface JSDocReturnTag extends JSDocTag { - typeExpression: JSDocTypeExpression; - } - interface JSDocTypeTag extends JSDocTag { - typeExpression: JSDocTypeExpression; - } - interface JSDocParameterTag extends JSDocTag { - preParameterName?: Identifier; - typeExpression?: JSDocTypeExpression; - postParameterName?: Identifier; - isBracketed: boolean; - } - interface AmdDependency { - path: string; - name: string; - } - interface SourceFile extends Declaration { - statements: NodeArray; - endOfFileToken: Node; - fileName: string; - path: Path; - text: string; - amdDependencies: AmdDependency[]; - moduleName: string; - referencedFiles: FileReference[]; - languageVariant: LanguageVariant; - /** - * lib.d.ts should have a reference comment like - * - * /// - * - * If any other file has this comment, it signals not to include lib.d.ts - * because this containing file is intended to act as a default library. - */ - hasNoDefaultLib: boolean; - languageVersion: ScriptTarget; - } - interface ScriptReferenceHost { - getCompilerOptions(): CompilerOptions; - getSourceFile(fileName: string): SourceFile; - getCurrentDirectory(): string; - } - interface ParseConfigHost { - readDirectory(rootDir: string, extension: string, exclude: string[]): string[]; - } - interface WriteFileCallback { - (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void; - } - class OperationCanceledException { - } - interface CancellationToken { - isCancellationRequested(): boolean; - /** @throws OperationCanceledException if isCancellationRequested is true */ - throwIfCancellationRequested(): void; - } - interface Program extends ScriptReferenceHost { - /** - * Get a list of root file names that were passed to a 'createProgram' - */ - getRootFileNames(): string[]; - /** - * Get a list of files in the program - */ - getSourceFiles(): SourceFile[]; - /** - * Emits the JavaScript and declaration files. If targetSourceFile is not specified, then - * the JavaScript and declaration files will be produced for all the files in this program. - * If targetSourceFile is specified, then only the JavaScript and declaration for that - * specific file will be generated. - * - * If writeFile is not specified then the writeFile callback from the compiler host will be - * used for writing the JavaScript and declaration files. Otherwise, the writeFile parameter - * will be invoked when writing the JavaScript and declaration files. - */ - emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken): EmitResult; - getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; - getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - /** - * Gets a type checker that can be used to semantically analyze source fils in the program. - */ - getTypeChecker(): TypeChecker; - } - interface SourceMapSpan { - /** Line number in the .js file. */ - emittedLine: number; - /** Column number in the .js file. */ - emittedColumn: number; - /** Line number in the .ts file. */ - sourceLine: number; - /** Column number in the .ts file. */ - sourceColumn: number; - /** Optional name (index into names array) associated with this span. */ - nameIndex?: number; - /** .ts file (index into sources array) associated with this span */ - sourceIndex: number; - } - interface SourceMapData { - sourceMapFilePath: string; - jsSourceMappingURL: string; - sourceMapFile: string; - sourceMapSourceRoot: string; - sourceMapSources: string[]; - sourceMapSourcesContent?: string[]; - inputSourceFileNames: string[]; - sourceMapNames?: string[]; - sourceMapMappings: string; - sourceMapDecodedMappings: SourceMapSpan[]; - } - /** Return code used by getEmitOutput function to indicate status of the function */ - enum ExitStatus { - Success = 0, - DiagnosticsPresent_OutputsSkipped = 1, - DiagnosticsPresent_OutputsGenerated = 2, - } - interface EmitResult { - emitSkipped: boolean; - diagnostics: Diagnostic[]; - } - interface TypeChecker { - getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; - getDeclaredTypeOfSymbol(symbol: Symbol): Type; - getPropertiesOfType(type: Type): Symbol[]; - getPropertyOfType(type: Type, propertyName: string): Symbol; - getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; - getIndexTypeOfType(type: Type, kind: IndexKind): Type; - getBaseTypes(type: InterfaceType): ObjectType[]; - getReturnTypeOfSignature(signature: Signature): Type; - getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; - getSymbolAtLocation(node: Node): Symbol; - getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; - getShorthandAssignmentValueSymbol(location: Node): Symbol; - getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; - getTypeAtLocation(node: Node): Type; - typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; - symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; - getSymbolDisplayBuilder(): SymbolDisplayBuilder; - getFullyQualifiedName(symbol: Symbol): string; - getAugmentedPropertiesOfType(type: Type): Symbol[]; - getRootSymbols(symbol: Symbol): Symbol[]; - getContextualType(node: Expression): Type; - getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; - getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; - isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; - isUndefinedSymbol(symbol: Symbol): boolean; - isArgumentsSymbol(symbol: Symbol): boolean; - isUnknownSymbol(symbol: Symbol): boolean; - getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; - isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; - getAliasedSymbol(symbol: Symbol): Symbol; - getExportsOfModule(moduleSymbol: Symbol): Symbol[]; - getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; - getJsxIntrinsicTagNames(): Symbol[]; - isOptionalParameter(node: ParameterDeclaration): boolean; - } - interface SymbolDisplayBuilder { - buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; - buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; - buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForParametersAndDelimiters(parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; - } - interface SymbolWriter { - writeKeyword(text: string): void; - writeOperator(text: string): void; - writePunctuation(text: string): void; - writeSpace(text: string): void; - writeStringLiteral(text: string): void; - writeParameter(text: string): void; - writeSymbol(text: string, symbol: Symbol): void; - writeLine(): void; - increaseIndent(): void; - decreaseIndent(): void; - clear(): void; - trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; - reportInaccessibleThisError(): void; - } - enum TypeFormatFlags { - None = 0, - WriteArrayAsGenericType = 1, - UseTypeOfFunction = 2, - NoTruncation = 4, - WriteArrowStyleSignature = 8, - WriteOwnNameForAnyLike = 16, - WriteTypeArgumentsOfSignature = 32, - InElementType = 64, - UseFullyQualifiedType = 128, - } - enum SymbolFormatFlags { - None = 0, - WriteTypeParametersOrArguments = 1, - UseOnlyExternalAliasing = 2, - } - enum TypePredicateKind { - This = 0, - Identifier = 1, - } - interface TypePredicateBase { - kind: TypePredicateKind; - type: Type; - } - interface ThisTypePredicate extends TypePredicateBase { - _thisTypePredicateBrand: any; - } - interface IdentifierTypePredicate extends TypePredicateBase { - parameterName: string; - parameterIndex: number; - } - type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; - enum SymbolFlags { - None = 0, - FunctionScopedVariable = 1, - BlockScopedVariable = 2, - Property = 4, - EnumMember = 8, - Function = 16, - Class = 32, - Interface = 64, - ConstEnum = 128, - RegularEnum = 256, - ValueModule = 512, - NamespaceModule = 1024, - TypeLiteral = 2048, - ObjectLiteral = 4096, - Method = 8192, - Constructor = 16384, - GetAccessor = 32768, - SetAccessor = 65536, - Signature = 131072, - TypeParameter = 262144, - TypeAlias = 524288, - ExportValue = 1048576, - ExportType = 2097152, - ExportNamespace = 4194304, - Alias = 8388608, - Instantiated = 16777216, - Merged = 33554432, - Transient = 67108864, - Prototype = 134217728, - SyntheticProperty = 268435456, - Optional = 536870912, - ExportStar = 1073741824, - Enum = 384, - Variable = 3, - Value = 107455, - Type = 793056, - Namespace = 1536, - Module = 1536, - Accessor = 98304, - FunctionScopedVariableExcludes = 107454, - BlockScopedVariableExcludes = 107455, - ParameterExcludes = 107455, - PropertyExcludes = 107455, - EnumMemberExcludes = 107455, - FunctionExcludes = 106927, - ClassExcludes = 899519, - InterfaceExcludes = 792960, - RegularEnumExcludes = 899327, - ConstEnumExcludes = 899967, - ValueModuleExcludes = 106639, - NamespaceModuleExcludes = 0, - MethodExcludes = 99263, - GetAccessorExcludes = 41919, - SetAccessorExcludes = 74687, - TypeParameterExcludes = 530912, - TypeAliasExcludes = 793056, - AliasExcludes = 8388608, - ModuleMember = 8914931, - ExportHasLocal = 944, - HasExports = 1952, - HasMembers = 6240, - BlockScoped = 418, - PropertyOrAccessor = 98308, - Export = 7340032, - } - interface Symbol { - flags: SymbolFlags; - name: string; - declarations?: Declaration[]; - valueDeclaration?: Declaration; - members?: SymbolTable; - exports?: SymbolTable; - } - interface SymbolTable { - [index: string]: Symbol; - } - enum TypeFlags { - Any = 1, - String = 2, - Number = 4, - Boolean = 8, - Void = 16, - Undefined = 32, - Null = 64, - Enum = 128, - StringLiteral = 256, - TypeParameter = 512, - Class = 1024, - Interface = 2048, - Reference = 4096, - Tuple = 8192, - Union = 16384, - Intersection = 32768, - Anonymous = 65536, - Instantiated = 131072, - ObjectLiteral = 524288, - ESSymbol = 16777216, - ThisType = 33554432, - ObjectLiteralPatternWithComputedProperties = 67108864, - StringLike = 258, - NumberLike = 132, - ObjectType = 80896, - UnionOrIntersection = 49152, - StructuredType = 130048, - } - type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; - interface Type { - flags: TypeFlags; - symbol?: Symbol; - pattern?: DestructuringPattern; - } - interface StringLiteralType extends Type { - text: string; - } - interface ObjectType extends Type { - } - interface InterfaceType extends ObjectType { - typeParameters: TypeParameter[]; - outerTypeParameters: TypeParameter[]; - localTypeParameters: TypeParameter[]; - thisType: TypeParameter; - } - interface InterfaceTypeWithDeclaredMembers extends InterfaceType { - declaredProperties: Symbol[]; - declaredCallSignatures: Signature[]; - declaredConstructSignatures: Signature[]; - declaredStringIndexType: Type; - declaredNumberIndexType: Type; - } - interface TypeReference extends ObjectType { - target: GenericType; - typeArguments: Type[]; - } - interface GenericType extends InterfaceType, TypeReference { - } - interface TupleType extends ObjectType { - elementTypes: Type[]; - } - interface UnionOrIntersectionType extends Type { - types: Type[]; - } - interface UnionType extends UnionOrIntersectionType { - } - interface IntersectionType extends UnionOrIntersectionType { - } - interface TypeParameter extends Type { - constraint: Type; - } - enum SignatureKind { - Call = 0, - Construct = 1, - } - interface Signature { - declaration: SignatureDeclaration; - typeParameters: TypeParameter[]; - parameters: Symbol[]; - } - enum IndexKind { - String = 0, - Number = 1, - } - interface DiagnosticMessage { - key: string; - category: DiagnosticCategory; - code: number; - message: string; - } - /** - * A linked list of formatted diagnostic messages to be used as part of a multiline message. - * It is built from the bottom up, leaving the head to be the "main" diagnostic. - * While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage, - * the difference is that messages are all preformatted in DMC. - */ - interface DiagnosticMessageChain { - messageText: string; - category: DiagnosticCategory; - code: number; - next?: DiagnosticMessageChain; - } - interface Diagnostic { - file: SourceFile; - start: number; - length: number; - messageText: string | DiagnosticMessageChain; - category: DiagnosticCategory; - code: number; - } - enum DiagnosticCategory { - Warning = 0, - Error = 1, - Message = 2, - } - enum ModuleResolutionKind { - Classic = 1, - NodeJs = 2, - } - interface CompilerOptions { - allowNonTsExtensions?: boolean; - charset?: string; - declaration?: boolean; - diagnostics?: boolean; - emitBOM?: boolean; - help?: boolean; - init?: boolean; - inlineSourceMap?: boolean; - inlineSources?: boolean; - jsx?: JsxEmit; - reactNamespace?: string; - listFiles?: boolean; - locale?: string; - mapRoot?: string; - module?: ModuleKind; - newLine?: NewLineKind; - noEmit?: boolean; - noEmitHelpers?: boolean; - noEmitOnError?: boolean; - noErrorTruncation?: boolean; - noImplicitAny?: boolean; - noLib?: boolean; - noResolve?: boolean; - out?: string; - outFile?: string; - outDir?: string; - preserveConstEnums?: boolean; - project?: string; - removeComments?: boolean; - rootDir?: string; - sourceMap?: boolean; - sourceRoot?: string; - suppressExcessPropertyErrors?: boolean; - suppressImplicitAnyIndexErrors?: boolean; - target?: ScriptTarget; - version?: boolean; - watch?: boolean; - isolatedModules?: boolean; - experimentalDecorators?: boolean; - emitDecoratorMetadata?: boolean; - moduleResolution?: ModuleResolutionKind; - allowUnusedLabels?: boolean; - allowUnreachableCode?: boolean; - noImplicitReturns?: boolean; - noFallthroughCasesInSwitch?: boolean; - forceConsistentCasingInFileNames?: boolean; - allowSyntheticDefaultImports?: boolean; - allowJs?: boolean; - noImplicitUseStrict?: boolean; - [option: string]: string | number | boolean; - } - enum ModuleKind { - None = 0, - CommonJS = 1, - AMD = 2, - UMD = 3, - System = 4, - ES6 = 5, - ES2015 = 5, - } - enum JsxEmit { - None = 0, - Preserve = 1, - React = 2, - } - enum NewLineKind { - CarriageReturnLineFeed = 0, - LineFeed = 1, - } - interface LineAndCharacter { - line: number; - character: number; - } - enum ScriptTarget { - ES3 = 0, - ES5 = 1, - ES6 = 2, - ES2015 = 2, - Latest = 2, - } - enum LanguageVariant { - Standard = 0, - JSX = 1, - } - interface ParsedCommandLine { - options: CompilerOptions; - fileNames: string[]; - errors: Diagnostic[]; - } - interface ModuleResolutionHost { - fileExists(fileName: string): boolean; - readFile(fileName: string): string; - directoryExists?(directoryName: string): boolean; - } - interface ResolvedModule { - resolvedFileName: string; - isExternalLibraryImport?: boolean; - } - interface ResolvedModuleWithFailedLookupLocations { - resolvedModule: ResolvedModule; - failedLookupLocations: string[]; - } - interface CompilerHost extends ModuleResolutionHost { - getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; - getCancellationToken?(): CancellationToken; - getDefaultLibFileName(options: CompilerOptions): string; - writeFile: WriteFileCallback; - getCurrentDirectory(): string; - getCanonicalFileName(fileName: string): string; - useCaseSensitiveFileNames(): boolean; - getNewLine(): string; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - } - interface TextSpan { - start: number; - length: number; - } - interface TextChangeRange { - span: TextSpan; - newLength: number; - } -} -declare namespace ts { - type FileWatcherCallback = (path: string, removed?: boolean) => void; - type DirectoryWatcherCallback = (path: string) => void; - interface System { - args: string[]; - newLine: string; - useCaseSensitiveFileNames: boolean; - write(s: string): void; - readFile(path: string, encoding?: string): string; - writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; - watchFile?(path: Path, callback: FileWatcherCallback): FileWatcher; - watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; - resolvePath(path: string): string; - fileExists(path: string): boolean; - directoryExists(path: string): boolean; - createDirectory(path: string): void; - getExecutingFilePath(): string; - getCurrentDirectory(): string; - readDirectory(path: string, extension?: string, exclude?: string[]): string[]; - getMemoryUsage?(): number; - exit(exitCode?: number): void; - } - interface FileWatcher { - close(): void; - } - interface DirectoryWatcher extends FileWatcher { - directoryPath: Path; - referenceCount: number; - } - var sys: System; -} -declare namespace ts { - interface ErrorCallback { - (message: DiagnosticMessage, length: number): void; - } - interface Scanner { - getStartPos(): number; - getToken(): SyntaxKind; - getTextPos(): number; - getTokenPos(): number; - getTokenText(): string; - getTokenValue(): string; - hasExtendedUnicodeEscape(): boolean; - hasPrecedingLineBreak(): boolean; - isIdentifier(): boolean; - isReservedWord(): boolean; - isUnterminated(): boolean; - reScanGreaterToken(): SyntaxKind; - reScanSlashToken(): SyntaxKind; - reScanTemplateToken(): SyntaxKind; - scanJsxIdentifier(): SyntaxKind; - reScanJsxToken(): SyntaxKind; - scanJsxToken(): SyntaxKind; - scanJSDocToken(): SyntaxKind; - scan(): SyntaxKind; - setText(text: string, start?: number, length?: number): void; - setOnError(onError: ErrorCallback): void; - setScriptTarget(scriptTarget: ScriptTarget): void; - setLanguageVariant(variant: LanguageVariant): void; - setTextPos(textPos: number): void; - lookAhead(callback: () => T): T; - scanRange(start: number, length: number, callback: () => T): T; - tryScan(callback: () => T): T; - } - function tokenToString(t: SyntaxKind): string; - function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; - function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; - function isWhiteSpace(ch: number): boolean; - function isLineBreak(ch: number): boolean; - function couldStartTrivia(text: string, pos: number): boolean; - function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; - function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; - /** Optionally, get the shebang */ - function getShebang(text: string): string; - function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; - function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; - function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; -} -declare namespace ts { - function getDefaultLibFileName(options: CompilerOptions): string; - function textSpanEnd(span: TextSpan): number; - function textSpanIsEmpty(span: TextSpan): boolean; - function textSpanContainsPosition(span: TextSpan, position: number): boolean; - function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; - function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; - function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; - function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; - function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; - function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; - function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; - function createTextSpan(start: number, length: number): TextSpan; - function createTextSpanFromBounds(start: number, end: number): TextSpan; - function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; - function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; - function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; - let unchangedTextChangeRange: TextChangeRange; - /** - * Called to merge all the changes that occurred across several versions of a script snapshot - * into a single change. i.e. if a user keeps making successive edits to a script we will - * have a text change from V1 to V2, V2 to V3, ..., Vn. - * - * This function will then merge those changes into a single change range valid between V1 and - * Vn. - */ - function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; - function getTypeParameterOwner(d: Declaration): Declaration; - function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; -} -declare namespace ts { - function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; - function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; - function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile; - function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; -} -declare namespace ts { - const version: string; - function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean): string; - function resolveTripleslashReference(moduleName: string, containingFile: string): string; - function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; - function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; - function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; - function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; - function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; -} -declare namespace ts { - function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine; - /** - * Read tsconfig.json file - * @param fileName The path to the config file - */ - function readConfigFile(fileName: string, readFile: (path: string) => string): { - config?: any; - error?: Diagnostic; - }; - /** - * Parse the text of the tsconfig.json file - * @param fileName The path to the config file - * @param jsonText The text of the config file - */ - function parseConfigFileTextToJson(fileName: string, jsonText: string): { - config?: any; - error?: Diagnostic; - }; - /** - * Parse the contents of a config file (tsconfig.json). - * @param json The contents of the config file to parse - * @param host Instance of ParseConfigHost used to enumerate files in folder. - * @param basePath A root directory to resolve relative path entries in the config - * file to. e.g. outDir - */ - function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string): ParsedCommandLine; - function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { - options: CompilerOptions; - errors: Diagnostic[]; - }; -} -declare namespace ts { - /** The version of the language service API */ - const servicesVersion: string; - interface Node { - getSourceFile(): SourceFile; - getChildCount(sourceFile?: SourceFile): number; - getChildAt(index: number, sourceFile?: SourceFile): Node; - getChildren(sourceFile?: SourceFile): Node[]; - getStart(sourceFile?: SourceFile): number; - getFullStart(): number; - getEnd(): number; - getWidth(sourceFile?: SourceFile): number; - getFullWidth(): number; - getLeadingTriviaWidth(sourceFile?: SourceFile): number; - getFullText(sourceFile?: SourceFile): string; - getText(sourceFile?: SourceFile): string; - getFirstToken(sourceFile?: SourceFile): Node; - getLastToken(sourceFile?: SourceFile): Node; - } - interface Symbol { - getFlags(): SymbolFlags; - getName(): string; - getDeclarations(): Declaration[]; - getDocumentationComment(): SymbolDisplayPart[]; - } - interface Type { - getFlags(): TypeFlags; - getSymbol(): Symbol; - getProperties(): Symbol[]; - getProperty(propertyName: string): Symbol; - getApparentProperties(): Symbol[]; - getCallSignatures(): Signature[]; - getConstructSignatures(): Signature[]; - getStringIndexType(): Type; - getNumberIndexType(): Type; - getBaseTypes(): ObjectType[]; - } - interface Signature { - getDeclaration(): SignatureDeclaration; - getTypeParameters(): Type[]; - getParameters(): Symbol[]; - getReturnType(): Type; - getDocumentationComment(): SymbolDisplayPart[]; - } - interface SourceFile { - getLineAndCharacterOfPosition(pos: number): LineAndCharacter; - getLineStarts(): number[]; - getPositionOfLineAndCharacter(line: number, character: number): number; - update(newText: string, textChangeRange: TextChangeRange): SourceFile; - } - /** - * Represents an immutable snapshot of a script at a specified time.Once acquired, the - * snapshot is observably immutable. i.e. the same calls with the same parameters will return - * the same values. - */ - interface IScriptSnapshot { - /** Gets a portion of the script snapshot specified by [start, end). */ - getText(start: number, end: number): string; - /** Gets the length of this script snapshot. */ - getLength(): number; - /** - * Gets the TextChangeRange that describe how the text changed between this text and - * an older version. This information is used by the incremental parser to determine - * what sections of the script need to be re-parsed. 'undefined' can be returned if the - * change range cannot be determined. However, in that case, incremental parsing will - * not happen and the entire document will be re - parsed. - */ - getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange; - /** Releases all resources held by this script snapshot */ - dispose?(): void; - } - namespace ScriptSnapshot { - function fromString(text: string): IScriptSnapshot; - } - interface PreProcessedFileInfo { - referencedFiles: FileReference[]; - importedFiles: FileReference[]; - ambientExternalModules: string[]; - isLibFile: boolean; - } - interface HostCancellationToken { - isCancellationRequested(): boolean; - } - interface LanguageServiceHost { - getCompilationSettings(): CompilerOptions; - getNewLine?(): string; - getProjectVersion?(): string; - getScriptFileNames(): string[]; - getScriptVersion(fileName: string): string; - getScriptSnapshot(fileName: string): IScriptSnapshot; - getLocalizedDiagnosticMessages?(): any; - getCancellationToken?(): HostCancellationToken; - getCurrentDirectory(): string; - getDefaultLibFileName(options: CompilerOptions): string; - log?(s: string): void; - trace?(s: string): void; - error?(s: string): void; - useCaseSensitiveFileNames?(): boolean; - resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; - directoryExists?(directoryName: string): boolean; - } - interface LanguageService { - cleanupSemanticCache(): void; - getSyntacticDiagnostics(fileName: string): Diagnostic[]; - getSemanticDiagnostics(fileName: string): Diagnostic[]; - getCompilerOptionsDiagnostics(): Diagnostic[]; - /** - * @deprecated Use getEncodedSyntacticClassifications instead. - */ - getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - /** - * @deprecated Use getEncodedSemanticClassifications instead. - */ - getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; - getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; - getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; - getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; - getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; - getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; - getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; - getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; - getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; - getRenameInfo(fileName: string, position: number): RenameInfo; - findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; - getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; - getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - findReferences(fileName: string, position: number): ReferencedSymbol[]; - getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; - /** @deprecated */ - getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; - getNavigateToItems(searchValue: string, maxResultCount?: number): NavigateToItem[]; - getNavigationBarItems(fileName: string): NavigationBarItem[]; - getOutliningSpans(fileName: string): OutliningSpan[]; - getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; - getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; - getIndentationAtPosition(fileName: string, position: number, options: EditorOptions): number; - getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions): TextChange[]; - getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions): TextChange[]; - getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions): TextChange[]; - getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; - getEmitOutput(fileName: string): EmitOutput; - getProgram(): Program; - getSourceFile(fileName: string): SourceFile; - dispose(): void; - } - interface Classifications { - spans: number[]; - endOfLineState: EndOfLineState; - } - interface ClassifiedSpan { - textSpan: TextSpan; - classificationType: string; - } - interface NavigationBarItem { - text: string; - kind: string; - kindModifiers: string; - spans: TextSpan[]; - childItems: NavigationBarItem[]; - indent: number; - bolded: boolean; - grayed: boolean; - } - interface TodoCommentDescriptor { - text: string; - priority: number; - } - interface TodoComment { - descriptor: TodoCommentDescriptor; - message: string; - position: number; - } - class TextChange { - span: TextSpan; - newText: string; - } - interface TextInsertion { - newText: string; - /** The position in newText the caret should point to after the insertion. */ - caretOffset: number; - } - interface RenameLocation { - textSpan: TextSpan; - fileName: string; - } - interface ReferenceEntry { - textSpan: TextSpan; - fileName: string; - isWriteAccess: boolean; - } - interface DocumentHighlights { - fileName: string; - highlightSpans: HighlightSpan[]; - } - namespace HighlightSpanKind { - const none: string; - const definition: string; - const reference: string; - const writtenReference: string; - } - interface HighlightSpan { - fileName?: string; - textSpan: TextSpan; - kind: string; - } - interface NavigateToItem { - name: string; - kind: string; - kindModifiers: string; - matchKind: string; - isCaseSensitive: boolean; - fileName: string; - textSpan: TextSpan; - containerName: string; - containerKind: string; - } - interface EditorOptions { - IndentSize: number; - TabSize: number; - NewLineCharacter: string; - ConvertTabsToSpaces: boolean; - IndentStyle: IndentStyle; - } - enum IndentStyle { - None = 0, - Block = 1, - Smart = 2, - } - interface FormatCodeOptions extends EditorOptions { - InsertSpaceAfterCommaDelimiter: boolean; - InsertSpaceAfterSemicolonInForStatements: boolean; - InsertSpaceBeforeAndAfterBinaryOperators: boolean; - InsertSpaceAfterKeywordsInControlFlowStatements: boolean; - InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; - InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; - InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; - PlaceOpenBraceOnNewLineForFunctions: boolean; - PlaceOpenBraceOnNewLineForControlBlocks: boolean; - [s: string]: boolean | number | string; - } - interface DefinitionInfo { - fileName: string; - textSpan: TextSpan; - kind: string; - name: string; - containerKind: string; - containerName: string; - } - interface ReferencedSymbol { - definition: DefinitionInfo; - references: ReferenceEntry[]; - } - enum SymbolDisplayPartKind { - aliasName = 0, - className = 1, - enumName = 2, - fieldName = 3, - interfaceName = 4, - keyword = 5, - lineBreak = 6, - numericLiteral = 7, - stringLiteral = 8, - localName = 9, - methodName = 10, - moduleName = 11, - operator = 12, - parameterName = 13, - propertyName = 14, - punctuation = 15, - space = 16, - text = 17, - typeParameterName = 18, - enumMemberName = 19, - functionName = 20, - regularExpressionLiteral = 21, - } - interface SymbolDisplayPart { - text: string; - kind: string; - } - interface QuickInfo { - kind: string; - kindModifiers: string; - textSpan: TextSpan; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; - } - interface RenameInfo { - canRename: boolean; - localizedErrorMessage: string; - displayName: string; - fullDisplayName: string; - kind: string; - kindModifiers: string; - triggerSpan: TextSpan; - } - interface SignatureHelpParameter { - name: string; - documentation: SymbolDisplayPart[]; - displayParts: SymbolDisplayPart[]; - isOptional: boolean; - } - /** - * Represents a single signature to show in signature help. - * The id is used for subsequent calls into the language service to ask questions about the - * signature help item in the context of any documents that have been updated. i.e. after - * an edit has happened, while signature help is still active, the host can ask important - * questions like 'what parameter is the user currently contained within?'. - */ - interface SignatureHelpItem { - isVariadic: boolean; - prefixDisplayParts: SymbolDisplayPart[]; - suffixDisplayParts: SymbolDisplayPart[]; - separatorDisplayParts: SymbolDisplayPart[]; - parameters: SignatureHelpParameter[]; - documentation: SymbolDisplayPart[]; - } - /** - * Represents a set of signature help items, and the preferred item that should be selected. - */ - interface SignatureHelpItems { - items: SignatureHelpItem[]; - applicableSpan: TextSpan; - selectedItemIndex: number; - argumentIndex: number; - argumentCount: number; - } - interface CompletionInfo { - isMemberCompletion: boolean; - isNewIdentifierLocation: boolean; - entries: CompletionEntry[]; - } - interface CompletionEntry { - name: string; - kind: string; - kindModifiers: string; - sortText: string; - } - interface CompletionEntryDetails { - name: string; - kind: string; - kindModifiers: string; - displayParts: SymbolDisplayPart[]; - documentation: SymbolDisplayPart[]; - } - interface OutliningSpan { - /** The span of the document to actually collapse. */ - textSpan: TextSpan; - /** The span of the document to display when the user hovers over the collapsed span. */ - hintSpan: TextSpan; - /** The text to display in the editor for the collapsed region. */ - bannerText: string; - /** - * Whether or not this region should be automatically collapsed when - * the 'Collapse to Definitions' command is invoked. - */ - autoCollapse: boolean; - } - interface EmitOutput { - outputFiles: OutputFile[]; - emitSkipped: boolean; - } - enum OutputFileType { - JavaScript = 0, - SourceMap = 1, - Declaration = 2, - } - interface OutputFile { - name: string; - writeByteOrderMark: boolean; - text: string; - } - enum EndOfLineState { - None = 0, - InMultiLineCommentTrivia = 1, - InSingleQuoteStringLiteral = 2, - InDoubleQuoteStringLiteral = 3, - InTemplateHeadOrNoSubstitutionTemplate = 4, - InTemplateMiddleOrTail = 5, - InTemplateSubstitutionPosition = 6, - } - enum TokenClass { - Punctuation = 0, - Keyword = 1, - Operator = 2, - Comment = 3, - Whitespace = 4, - Identifier = 5, - NumberLiteral = 6, - StringLiteral = 7, - RegExpLiteral = 8, - } - interface ClassificationResult { - finalLexState: EndOfLineState; - entries: ClassificationInfo[]; - } - interface ClassificationInfo { - length: number; - classification: TokenClass; - } - interface Classifier { - /** - * Gives lexical classifications of tokens on a line without any syntactic context. - * For instance, a token consisting of the text 'string' can be either an identifier - * named 'string' or the keyword 'string', however, because this classifier is not aware, - * it relies on certain heuristics to give acceptable results. For classifications where - * speed trumps accuracy, this function is preferable; however, for true accuracy, the - * syntactic classifier is ideal. In fact, in certain editing scenarios, combining the - * lexical, syntactic, and semantic classifiers may issue the best user experience. - * - * @param text The text of a line to classify. - * @param lexState The state of the lexical classifier at the end of the previous line. - * @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier. - * If there is no syntactic classifier (syntacticClassifierAbsent=true), - * certain heuristics may be used in its place; however, if there is a - * syntactic classifier (syntacticClassifierAbsent=false), certain - * classifications which may be incorrectly categorized will be given - * back as Identifiers in order to allow the syntactic classifier to - * subsume the classification. - * @deprecated Use getLexicalClassifications instead. - */ - getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; - getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; - } - /** - * The document registry represents a store of SourceFile objects that can be shared between - * multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST) - * of files in the context. - * SourceFile objects account for most of the memory usage by the language service. Sharing - * the same DocumentRegistry instance between different instances of LanguageService allow - * for more efficient memory utilization since all projects will share at least the library - * file (lib.d.ts). - * - * A more advanced use of the document registry is to serialize sourceFile objects to disk - * and re-hydrate them when needed. - * - * To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it - * to all subsequent createLanguageService calls. - */ - interface DocumentRegistry { - /** - * Request a stored SourceFile with a given fileName and compilationSettings. - * The first call to acquire will call createLanguageServiceSourceFile to generate - * the SourceFile if was not found in the registry. - * - * @param fileName The name of the file requested - * @param compilationSettings Some compilation settings like target affects the - * shape of a the resulting SourceFile. This allows the DocumentRegistry to store - * multiple copies of the same file for different compilation settings. - * @parm scriptSnapshot Text of the file. Only used if the file was not found - * in the registry and a new one was created. - * @parm version Current version of the file. Only used if the file was not found - * in the registry and a new one was created. - */ - acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; - /** - * Request an updated version of an already existing SourceFile with a given fileName - * and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile - * to get an updated SourceFile. - * - * @param fileName The name of the file requested - * @param compilationSettings Some compilation settings like target affects the - * shape of a the resulting SourceFile. This allows the DocumentRegistry to store - * multiple copies of the same file for different compilation settings. - * @param scriptSnapshot Text of the file. - * @param version Current version of the file. - */ - updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; - /** - * Informs the DocumentRegistry that a file is not needed any longer. - * - * Note: It is not allowed to call release on a SourceFile that was not acquired from - * this registry originally. - * - * @param fileName The name of the file to be released - * @param compilationSettings The compilation settings used to acquire the file - */ - releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; - reportStats(): string; - } - namespace ScriptElementKind { - const unknown: string; - const warning: string; - const keyword: string; - const scriptElement: string; - const moduleElement: string; - const classElement: string; - const localClassElement: string; - const interfaceElement: string; - const typeElement: string; - const enumElement: string; - const variableElement: string; - const localVariableElement: string; - const functionElement: string; - const localFunctionElement: string; - const memberFunctionElement: string; - const memberGetAccessorElement: string; - const memberSetAccessorElement: string; - const memberVariableElement: string; - const constructorImplementationElement: string; - const callSignatureElement: string; - const indexSignatureElement: string; - const constructSignatureElement: string; - const parameterElement: string; - const typeParameterElement: string; - const primitiveType: string; - const label: string; - const alias: string; - const constElement: string; - const letElement: string; - } - namespace ScriptElementKindModifier { - const none: string; - const publicMemberModifier: string; - const privateMemberModifier: string; - const protectedMemberModifier: string; - const exportedModifier: string; - const ambientModifier: string; - const staticModifier: string; - const abstractModifier: string; - } - class ClassificationTypeNames { - static comment: string; - static identifier: string; - static keyword: string; - static numericLiteral: string; - static operator: string; - static stringLiteral: string; - static whiteSpace: string; - static text: string; - static punctuation: string; - static className: string; - static enumName: string; - static interfaceName: string; - static moduleName: string; - static typeParameterName: string; - static typeAliasName: string; - static parameterName: string; - static docCommentTagName: string; - static jsxOpenTagName: string; - static jsxCloseTagName: string; - static jsxSelfClosingTagName: string; - static jsxAttribute: string; - static jsxText: string; - static jsxAttributeStringLiteralValue: string; - } - enum ClassificationType { - comment = 1, - identifier = 2, - keyword = 3, - numericLiteral = 4, - operator = 5, - stringLiteral = 6, - regularExpressionLiteral = 7, - whiteSpace = 8, - text = 9, - punctuation = 10, - className = 11, - enumName = 12, - interfaceName = 13, - moduleName = 14, - typeParameterName = 15, - typeAliasName = 16, - parameterName = 17, - docCommentTagName = 18, - jsxOpenTagName = 19, - jsxCloseTagName = 20, - jsxSelfClosingTagName = 21, - jsxAttribute = 22, - jsxText = 23, - jsxAttributeStringLiteralValue = 24, - } - interface DisplayPartsSymbolWriter extends SymbolWriter { - displayParts(): SymbolDisplayPart[]; - } - function displayPartsToString(displayParts: SymbolDisplayPart[]): string; - function getDefaultCompilerOptions(): CompilerOptions; - interface TranspileOptions { - compilerOptions?: CompilerOptions; - fileName?: string; - reportDiagnostics?: boolean; - moduleName?: string; - renamedDependencies?: Map; - } - interface TranspileOutput { - outputText: string; - diagnostics?: Diagnostic[]; - sourceMapText?: string; - } - function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; - function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; - function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean): SourceFile; - let disableIncrementalParsing: boolean; - function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; - function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; - function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; - function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; - function createClassifier(): Classifier; - /** - * Get the path of the default library files (lib.d.ts) as distributed with the typescript - * node package. - * The functionality is not supported if the ts module is consumed outside of a node module. - */ - function getDefaultLibFilePath(options: CompilerOptions): string; -} +declare namespace ts { + interface Map { + [index: string]: T; + } + type Path = string & { + __pathBrand: any; + }; + interface FileMap { + get(fileName: Path): T; + set(fileName: Path, value: T): void; + contains(fileName: Path): boolean; + remove(fileName: Path): void; + forEachValue(f: (key: Path, v: T) => void): void; + clear(): void; + } + interface TextRange { + pos: number; + end: number; + } + enum SyntaxKind { + Unknown = 0, + EndOfFileToken = 1, + SingleLineCommentTrivia = 2, + MultiLineCommentTrivia = 3, + NewLineTrivia = 4, + WhitespaceTrivia = 5, + ShebangTrivia = 6, + ConflictMarkerTrivia = 7, + NumericLiteral = 8, + StringLiteral = 9, + RegularExpressionLiteral = 10, + NoSubstitutionTemplateLiteral = 11, + TemplateHead = 12, + TemplateMiddle = 13, + TemplateTail = 14, + OpenBraceToken = 15, + CloseBraceToken = 16, + OpenParenToken = 17, + CloseParenToken = 18, + OpenBracketToken = 19, + CloseBracketToken = 20, + DotToken = 21, + DotDotDotToken = 22, + SemicolonToken = 23, + CommaToken = 24, + LessThanToken = 25, + LessThanSlashToken = 26, + GreaterThanToken = 27, + LessThanEqualsToken = 28, + GreaterThanEqualsToken = 29, + EqualsEqualsToken = 30, + ExclamationEqualsToken = 31, + EqualsEqualsEqualsToken = 32, + ExclamationEqualsEqualsToken = 33, + EqualsGreaterThanToken = 34, + PlusToken = 35, + MinusToken = 36, + AsteriskToken = 37, + AsteriskAsteriskToken = 38, + SlashToken = 39, + PercentToken = 40, + PlusPlusToken = 41, + MinusMinusToken = 42, + LessThanLessThanToken = 43, + GreaterThanGreaterThanToken = 44, + GreaterThanGreaterThanGreaterThanToken = 45, + AmpersandToken = 46, + BarToken = 47, + CaretToken = 48, + ExclamationToken = 49, + TildeToken = 50, + AmpersandAmpersandToken = 51, + BarBarToken = 52, + QuestionToken = 53, + ColonToken = 54, + AtToken = 55, + EqualsToken = 56, + PlusEqualsToken = 57, + MinusEqualsToken = 58, + AsteriskEqualsToken = 59, + AsteriskAsteriskEqualsToken = 60, + SlashEqualsToken = 61, + PercentEqualsToken = 62, + LessThanLessThanEqualsToken = 63, + GreaterThanGreaterThanEqualsToken = 64, + GreaterThanGreaterThanGreaterThanEqualsToken = 65, + AmpersandEqualsToken = 66, + BarEqualsToken = 67, + CaretEqualsToken = 68, + Identifier = 69, + BreakKeyword = 70, + CaseKeyword = 71, + CatchKeyword = 72, + ClassKeyword = 73, + ConstKeyword = 74, + ContinueKeyword = 75, + DebuggerKeyword = 76, + DefaultKeyword = 77, + DeleteKeyword = 78, + DoKeyword = 79, + ElseKeyword = 80, + EnumKeyword = 81, + ExportKeyword = 82, + ExtendsKeyword = 83, + FalseKeyword = 84, + FinallyKeyword = 85, + ForKeyword = 86, + FunctionKeyword = 87, + IfKeyword = 88, + ImportKeyword = 89, + InKeyword = 90, + InstanceOfKeyword = 91, + NewKeyword = 92, + NullKeyword = 93, + ReturnKeyword = 94, + SuperKeyword = 95, + SwitchKeyword = 96, + ThisKeyword = 97, + ThrowKeyword = 98, + TrueKeyword = 99, + TryKeyword = 100, + TypeOfKeyword = 101, + VarKeyword = 102, + VoidKeyword = 103, + WhileKeyword = 104, + WithKeyword = 105, + ImplementsKeyword = 106, + InterfaceKeyword = 107, + LetKeyword = 108, + PackageKeyword = 109, + PrivateKeyword = 110, + ProtectedKeyword = 111, + PublicKeyword = 112, + StaticKeyword = 113, + YieldKeyword = 114, + AbstractKeyword = 115, + AsKeyword = 116, + AnyKeyword = 117, + AsyncKeyword = 118, + AwaitKeyword = 119, + BooleanKeyword = 120, + ConstructorKeyword = 121, + DeclareKeyword = 122, + GetKeyword = 123, + IsKeyword = 124, + ModuleKeyword = 125, + NamespaceKeyword = 126, + RequireKeyword = 127, + NumberKeyword = 128, + SetKeyword = 129, + StringKeyword = 130, + SymbolKeyword = 131, + TypeKeyword = 132, + FromKeyword = 133, + GlobalKeyword = 134, + OfKeyword = 135, + QualifiedName = 136, + ComputedPropertyName = 137, + TypeParameter = 138, + Parameter = 139, + Decorator = 140, + PropertySignature = 141, + PropertyDeclaration = 142, + MethodSignature = 143, + MethodDeclaration = 144, + Constructor = 145, + GetAccessor = 146, + SetAccessor = 147, + CallSignature = 148, + ConstructSignature = 149, + IndexSignature = 150, + TypePredicate = 151, + TypeReference = 152, + FunctionType = 153, + ConstructorType = 154, + TypeQuery = 155, + TypeLiteral = 156, + ArrayType = 157, + TupleType = 158, + UnionType = 159, + IntersectionType = 160, + ParenthesizedType = 161, + ThisType = 162, + StringLiteralType = 163, + ObjectBindingPattern = 164, + ArrayBindingPattern = 165, + BindingElement = 166, + ArrayLiteralExpression = 167, + ObjectLiteralExpression = 168, + PropertyAccessExpression = 169, + ElementAccessExpression = 170, + CallExpression = 171, + NewExpression = 172, + TaggedTemplateExpression = 173, + TypeAssertionExpression = 174, + ParenthesizedExpression = 175, + FunctionExpression = 176, + ArrowFunction = 177, + DeleteExpression = 178, + TypeOfExpression = 179, + VoidExpression = 180, + AwaitExpression = 181, + PrefixUnaryExpression = 182, + PostfixUnaryExpression = 183, + BinaryExpression = 184, + ConditionalExpression = 185, + TemplateExpression = 186, + YieldExpression = 187, + SpreadElementExpression = 188, + ClassExpression = 189, + OmittedExpression = 190, + ExpressionWithTypeArguments = 191, + AsExpression = 192, + TemplateSpan = 193, + SemicolonClassElement = 194, + Block = 195, + VariableStatement = 196, + EmptyStatement = 197, + ExpressionStatement = 198, + IfStatement = 199, + DoStatement = 200, + WhileStatement = 201, + ForStatement = 202, + ForInStatement = 203, + ForOfStatement = 204, + ContinueStatement = 205, + BreakStatement = 206, + ReturnStatement = 207, + WithStatement = 208, + SwitchStatement = 209, + LabeledStatement = 210, + ThrowStatement = 211, + TryStatement = 212, + DebuggerStatement = 213, + VariableDeclaration = 214, + VariableDeclarationList = 215, + FunctionDeclaration = 216, + ClassDeclaration = 217, + InterfaceDeclaration = 218, + TypeAliasDeclaration = 219, + EnumDeclaration = 220, + ModuleDeclaration = 221, + ModuleBlock = 222, + CaseBlock = 223, + ImportEqualsDeclaration = 224, + ImportDeclaration = 225, + ImportClause = 226, + NamespaceImport = 227, + NamedImports = 228, + ImportSpecifier = 229, + ExportAssignment = 230, + ExportDeclaration = 231, + NamedExports = 232, + ExportSpecifier = 233, + MissingDeclaration = 234, + ExternalModuleReference = 235, + JsxElement = 236, + JsxSelfClosingElement = 237, + JsxOpeningElement = 238, + JsxText = 239, + JsxClosingElement = 240, + JsxAttribute = 241, + JsxSpreadAttribute = 242, + JsxExpression = 243, + CaseClause = 244, + DefaultClause = 245, + HeritageClause = 246, + CatchClause = 247, + PropertyAssignment = 248, + ShorthandPropertyAssignment = 249, + EnumMember = 250, + SourceFile = 251, + JSDocTypeExpression = 252, + JSDocAllType = 253, + JSDocUnknownType = 254, + JSDocArrayType = 255, + JSDocUnionType = 256, + JSDocTupleType = 257, + JSDocNullableType = 258, + JSDocNonNullableType = 259, + JSDocRecordType = 260, + JSDocRecordMember = 261, + JSDocTypeReference = 262, + JSDocOptionalType = 263, + JSDocFunctionType = 264, + JSDocVariadicType = 265, + JSDocConstructorType = 266, + JSDocThisType = 267, + JSDocComment = 268, + JSDocTag = 269, + JSDocParameterTag = 270, + JSDocReturnTag = 271, + JSDocTypeTag = 272, + JSDocTemplateTag = 273, + SyntaxList = 274, + Count = 275, + FirstAssignment = 56, + LastAssignment = 68, + FirstReservedWord = 70, + LastReservedWord = 105, + FirstKeyword = 70, + LastKeyword = 135, + FirstFutureReservedWord = 106, + LastFutureReservedWord = 114, + FirstTypeNode = 151, + LastTypeNode = 163, + FirstPunctuation = 15, + LastPunctuation = 68, + FirstToken = 0, + LastToken = 135, + FirstTriviaToken = 2, + LastTriviaToken = 7, + FirstLiteralToken = 8, + LastLiteralToken = 11, + FirstTemplateToken = 11, + LastTemplateToken = 14, + FirstBinaryOperator = 25, + LastBinaryOperator = 68, + FirstNode = 136, + } + enum NodeFlags { + None = 0, + Export = 2, + Ambient = 4, + Public = 8, + Private = 16, + Protected = 32, + Static = 64, + Abstract = 128, + Async = 256, + Default = 512, + MultiLine = 1024, + Synthetic = 2048, + DeclarationFile = 4096, + Let = 8192, + Const = 16384, + OctalLiteral = 32768, + Namespace = 65536, + ExportContext = 131072, + ContainsThis = 262144, + HasImplicitReturn = 524288, + HasExplicitReturn = 1048576, + GlobalAugmentation = 2097152, + HasClassExtends = 4194304, + HasDecorators = 8388608, + HasParamDecorators = 16777216, + HasAsyncFunctions = 33554432, + Modifier = 1022, + AccessibilityModifier = 56, + BlockScoped = 24576, + ReachabilityCheckFlags = 1572864, + EmitHelperFlags = 62914560, + } + enum JsxFlags { + None = 0, + /** An element from a named property of the JSX.IntrinsicElements interface */ + IntrinsicNamedElement = 1, + /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ + IntrinsicIndexedElement = 2, + /** An element backed by a class, class-like, or function value */ + ValueElement = 4, + /** Element resolution failed */ + UnknownElement = 16, + IntrinsicElement = 3, + } + interface Node extends TextRange { + kind: SyntaxKind; + flags: NodeFlags; + decorators?: NodeArray; + modifiers?: ModifiersArray; + parent?: Node; + } + interface NodeArray extends Array, TextRange { + hasTrailingComma?: boolean; + } + interface ModifiersArray extends NodeArray { + flags: number; + } + interface Modifier extends Node { + } + interface Identifier extends PrimaryExpression { + text: string; + originalKeywordKind?: SyntaxKind; + } + interface QualifiedName extends Node { + left: EntityName; + right: Identifier; + } + type EntityName = Identifier | QualifiedName; + type PropertyName = Identifier | LiteralExpression | ComputedPropertyName; + type DeclarationName = Identifier | LiteralExpression | ComputedPropertyName | BindingPattern; + interface Declaration extends Node { + _declarationBrand: any; + name?: DeclarationName; + } + interface DeclarationStatement extends Declaration, Statement { + name?: Identifier; + } + interface ComputedPropertyName extends Node { + expression: Expression; + } + interface Decorator extends Node { + expression: LeftHandSideExpression; + } + interface TypeParameterDeclaration extends Declaration { + name: Identifier; + constraint?: TypeNode; + expression?: Expression; + } + interface SignatureDeclaration extends Declaration { + name?: PropertyName; + typeParameters?: NodeArray; + parameters: NodeArray; + type?: TypeNode; + } + interface CallSignatureDeclaration extends SignatureDeclaration, TypeElement { + } + interface ConstructSignatureDeclaration extends SignatureDeclaration, TypeElement { + } + interface VariableDeclaration extends Declaration { + parent?: VariableDeclarationList; + name: Identifier | BindingPattern; + type?: TypeNode; + initializer?: Expression; + } + interface VariableDeclarationList extends Node { + declarations: NodeArray; + } + interface ParameterDeclaration extends Declaration { + dotDotDotToken?: Node; + name: Identifier | BindingPattern; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface BindingElement extends Declaration { + propertyName?: PropertyName; + dotDotDotToken?: Node; + name: Identifier | BindingPattern; + initializer?: Expression; + } + interface PropertySignature extends TypeElement { + name: PropertyName; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyDeclaration extends ClassElement { + questionToken?: Node; + name: PropertyName; + type?: TypeNode; + initializer?: Expression; + } + interface ObjectLiteralElement extends Declaration { + _objectLiteralBrandBrand: any; + name?: PropertyName; + } + interface PropertyAssignment extends ObjectLiteralElement { + _propertyAssignmentBrand: any; + name: PropertyName; + questionToken?: Node; + initializer: Expression; + } + interface ShorthandPropertyAssignment extends ObjectLiteralElement { + name: Identifier; + questionToken?: Node; + equalsToken?: Node; + objectAssignmentInitializer?: Expression; + } + interface VariableLikeDeclaration extends Declaration { + propertyName?: PropertyName; + dotDotDotToken?: Node; + name: DeclarationName; + questionToken?: Node; + type?: TypeNode; + initializer?: Expression; + } + interface PropertyLikeDeclaration extends Declaration { + name: PropertyName; + } + interface BindingPattern extends Node { + elements: NodeArray; + } + interface ObjectBindingPattern extends BindingPattern { + } + interface ArrayBindingPattern extends BindingPattern { + } + /** + * Several node kinds share function-like features such as a signature, + * a name, and a body. These nodes should extend FunctionLikeDeclaration. + * Examples: + * - FunctionDeclaration + * - MethodDeclaration + * - AccessorDeclaration + */ + interface FunctionLikeDeclaration extends SignatureDeclaration { + _functionLikeDeclarationBrand: any; + asteriskToken?: Node; + questionToken?: Node; + body?: Block | Expression; + } + interface FunctionDeclaration extends FunctionLikeDeclaration, DeclarationStatement { + name?: Identifier; + body?: FunctionBody; + } + interface MethodSignature extends SignatureDeclaration, TypeElement { + name: PropertyName; + } + interface MethodDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + name: PropertyName; + body?: FunctionBody; + } + interface ConstructorDeclaration extends FunctionLikeDeclaration, ClassElement { + body?: FunctionBody; + } + interface SemicolonClassElement extends ClassElement { + _semicolonClassElementBrand: any; + } + interface AccessorDeclaration extends FunctionLikeDeclaration, ClassElement, ObjectLiteralElement { + _accessorDeclarationBrand: any; + name: PropertyName; + body: FunctionBody; + } + interface GetAccessorDeclaration extends AccessorDeclaration { + } + interface SetAccessorDeclaration extends AccessorDeclaration { + } + interface IndexSignatureDeclaration extends SignatureDeclaration, ClassElement, TypeElement { + _indexSignatureDeclarationBrand: any; + } + interface TypeNode extends Node { + _typeNodeBrand: any; + } + interface ThisTypeNode extends TypeNode { + _thisTypeNodeBrand: any; + } + interface FunctionOrConstructorTypeNode extends TypeNode, SignatureDeclaration { + _functionOrConstructorTypeNodeBrand: any; + } + interface FunctionTypeNode extends FunctionOrConstructorTypeNode { + } + interface ConstructorTypeNode extends FunctionOrConstructorTypeNode { + } + interface TypeReferenceNode extends TypeNode { + typeName: EntityName; + typeArguments?: NodeArray; + } + interface TypePredicateNode extends TypeNode { + parameterName: Identifier | ThisTypeNode; + type: TypeNode; + } + interface TypeQueryNode extends TypeNode { + exprName: EntityName; + } + interface TypeLiteralNode extends TypeNode, Declaration { + members: NodeArray; + } + interface ArrayTypeNode extends TypeNode { + elementType: TypeNode; + } + interface TupleTypeNode extends TypeNode { + elementTypes: NodeArray; + } + interface UnionOrIntersectionTypeNode extends TypeNode { + types: NodeArray; + } + interface UnionTypeNode extends UnionOrIntersectionTypeNode { + } + interface IntersectionTypeNode extends UnionOrIntersectionTypeNode { + } + interface ParenthesizedTypeNode extends TypeNode { + type: TypeNode; + } + interface StringLiteralTypeNode extends LiteralLikeNode, TypeNode { + _stringLiteralTypeBrand: any; + } + interface StringLiteral extends LiteralExpression { + _stringLiteralBrand: any; + } + interface Expression extends Node { + _expressionBrand: any; + contextualType?: Type; + } + interface OmittedExpression extends Expression { + } + interface UnaryExpression extends Expression { + _unaryExpressionBrand: any; + } + interface IncrementExpression extends UnaryExpression { + _incrementExpressionBrand: any; + } + interface PrefixUnaryExpression extends IncrementExpression { + operator: SyntaxKind; + operand: UnaryExpression; + } + interface PostfixUnaryExpression extends IncrementExpression { + operand: LeftHandSideExpression; + operator: SyntaxKind; + } + interface PostfixExpression extends UnaryExpression { + _postfixExpressionBrand: any; + } + interface LeftHandSideExpression extends IncrementExpression { + _leftHandSideExpressionBrand: any; + } + interface MemberExpression extends LeftHandSideExpression { + _memberExpressionBrand: any; + } + interface PrimaryExpression extends MemberExpression { + _primaryExpressionBrand: any; + } + interface DeleteExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface TypeOfExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface VoidExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface AwaitExpression extends UnaryExpression { + expression: UnaryExpression; + } + interface YieldExpression extends Expression { + asteriskToken?: Node; + expression?: Expression; + } + interface BinaryExpression extends Expression, Declaration { + left: Expression; + operatorToken: Node; + right: Expression; + } + interface ConditionalExpression extends Expression { + condition: Expression; + questionToken: Node; + whenTrue: Expression; + colonToken: Node; + whenFalse: Expression; + } + type FunctionBody = Block; + type ConciseBody = FunctionBody | Expression; + interface FunctionExpression extends PrimaryExpression, FunctionLikeDeclaration { + name?: Identifier; + body: FunctionBody; + } + interface ArrowFunction extends Expression, FunctionLikeDeclaration { + equalsGreaterThanToken: Node; + body: ConciseBody; + } + interface LiteralLikeNode extends Node { + text: string; + isUnterminated?: boolean; + hasExtendedUnicodeEscape?: boolean; + } + interface LiteralExpression extends LiteralLikeNode, PrimaryExpression { + _literalExpressionBrand: any; + } + interface TemplateLiteralFragment extends LiteralLikeNode { + _templateLiteralFragmentBrand: any; + } + interface TemplateExpression extends PrimaryExpression { + head: TemplateLiteralFragment; + templateSpans: NodeArray; + } + interface TemplateSpan extends Node { + expression: Expression; + literal: TemplateLiteralFragment; + } + interface ParenthesizedExpression extends PrimaryExpression { + expression: Expression; + } + interface ArrayLiteralExpression extends PrimaryExpression { + elements: NodeArray; + } + interface SpreadElementExpression extends Expression { + expression: Expression; + } + interface ObjectLiteralExpression extends PrimaryExpression, Declaration { + properties: NodeArray; + } + interface PropertyAccessExpression extends MemberExpression, Declaration { + expression: LeftHandSideExpression; + dotToken: Node; + name: Identifier; + } + interface ElementAccessExpression extends MemberExpression { + expression: LeftHandSideExpression; + argumentExpression?: Expression; + } + interface CallExpression extends LeftHandSideExpression, Declaration { + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + arguments: NodeArray; + } + interface ExpressionWithTypeArguments extends TypeNode { + expression: LeftHandSideExpression; + typeArguments?: NodeArray; + } + interface NewExpression extends CallExpression, PrimaryExpression { + } + interface TaggedTemplateExpression extends MemberExpression { + tag: LeftHandSideExpression; + template: LiteralExpression | TemplateExpression; + } + type CallLikeExpression = CallExpression | NewExpression | TaggedTemplateExpression | Decorator; + interface AsExpression extends Expression { + expression: Expression; + type: TypeNode; + } + interface TypeAssertion extends UnaryExpression { + type: TypeNode; + expression: UnaryExpression; + } + type AssertionExpression = TypeAssertion | AsExpression; + interface JsxElement extends PrimaryExpression { + openingElement: JsxOpeningElement; + children: NodeArray; + closingElement: JsxClosingElement; + } + interface JsxOpeningElement extends Expression { + _openingElementBrand?: any; + tagName: EntityName; + attributes: NodeArray; + } + interface JsxSelfClosingElement extends PrimaryExpression, JsxOpeningElement { + _selfClosingElementBrand?: any; + } + type JsxOpeningLikeElement = JsxSelfClosingElement | JsxOpeningElement; + interface JsxAttribute extends Node { + name: Identifier; + initializer?: Expression; + } + interface JsxSpreadAttribute extends Node { + expression: Expression; + } + interface JsxClosingElement extends Node { + tagName: EntityName; + } + interface JsxExpression extends Expression { + expression?: Expression; + } + interface JsxText extends Node { + _jsxTextExpressionBrand: any; + } + type JsxChild = JsxText | JsxExpression | JsxElement | JsxSelfClosingElement; + interface Statement extends Node { + _statementBrand: any; + } + interface EmptyStatement extends Statement { + } + interface DebuggerStatement extends Statement { + } + interface MissingDeclaration extends DeclarationStatement, ClassElement, ObjectLiteralElement, TypeElement { + name?: Identifier; + } + type BlockLike = SourceFile | Block | ModuleBlock | CaseClause; + interface Block extends Statement { + statements: NodeArray; + } + interface VariableStatement extends Statement { + declarationList: VariableDeclarationList; + } + interface ExpressionStatement extends Statement { + expression: Expression; + } + interface IfStatement extends Statement { + expression: Expression; + thenStatement: Statement; + elseStatement?: Statement; + } + interface IterationStatement extends Statement { + statement: Statement; + } + interface DoStatement extends IterationStatement { + expression: Expression; + } + interface WhileStatement extends IterationStatement { + expression: Expression; + } + interface ForStatement extends IterationStatement { + initializer?: VariableDeclarationList | Expression; + condition?: Expression; + incrementor?: Expression; + } + interface ForInStatement extends IterationStatement { + initializer: VariableDeclarationList | Expression; + expression: Expression; + } + interface ForOfStatement extends IterationStatement { + initializer: VariableDeclarationList | Expression; + expression: Expression; + } + interface BreakStatement extends Statement { + label?: Identifier; + } + interface ContinueStatement extends Statement { + label?: Identifier; + } + type BreakOrContinueStatement = BreakStatement | ContinueStatement; + interface ReturnStatement extends Statement { + expression?: Expression; + } + interface WithStatement extends Statement { + expression: Expression; + statement: Statement; + } + interface SwitchStatement extends Statement { + expression: Expression; + caseBlock: CaseBlock; + } + interface CaseBlock extends Node { + clauses: NodeArray; + } + interface CaseClause extends Node { + expression: Expression; + statements: NodeArray; + } + interface DefaultClause extends Node { + statements: NodeArray; + } + type CaseOrDefaultClause = CaseClause | DefaultClause; + interface LabeledStatement extends Statement { + label: Identifier; + statement: Statement; + } + interface ThrowStatement extends Statement { + expression: Expression; + } + interface TryStatement extends Statement { + tryBlock: Block; + catchClause?: CatchClause; + finallyBlock?: Block; + } + interface CatchClause extends Node { + variableDeclaration: VariableDeclaration; + block: Block; + } + interface ClassLikeDeclaration extends Declaration { + name?: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; + } + interface ClassDeclaration extends ClassLikeDeclaration, DeclarationStatement { + name?: Identifier; + } + interface ClassExpression extends ClassLikeDeclaration, PrimaryExpression { + } + interface ClassElement extends Declaration { + _classElementBrand: any; + name?: PropertyName; + } + interface TypeElement extends Declaration { + _typeElementBrand: any; + name?: PropertyName; + questionToken?: Node; + } + interface InterfaceDeclaration extends DeclarationStatement { + name: Identifier; + typeParameters?: NodeArray; + heritageClauses?: NodeArray; + members: NodeArray; + } + interface HeritageClause extends Node { + token: SyntaxKind; + types?: NodeArray; + } + interface TypeAliasDeclaration extends DeclarationStatement { + name: Identifier; + typeParameters?: NodeArray; + type: TypeNode; + } + interface EnumMember extends Declaration { + name: DeclarationName; + initializer?: Expression; + } + interface EnumDeclaration extends DeclarationStatement { + name: Identifier; + members: NodeArray; + } + type ModuleBody = ModuleBlock | ModuleDeclaration; + interface ModuleDeclaration extends DeclarationStatement { + name: Identifier | LiteralExpression; + body: ModuleBlock | ModuleDeclaration; + } + interface ModuleBlock extends Node, Statement { + statements: NodeArray; + } + interface ImportEqualsDeclaration extends DeclarationStatement { + name: Identifier; + moduleReference: EntityName | ExternalModuleReference; + } + interface ExternalModuleReference extends Node { + expression?: Expression; + } + interface ImportDeclaration extends Statement { + importClause?: ImportClause; + moduleSpecifier: Expression; + } + interface ImportClause extends Declaration { + name?: Identifier; + namedBindings?: NamespaceImport | NamedImports; + } + interface NamespaceImport extends Declaration { + name: Identifier; + } + interface ExportDeclaration extends DeclarationStatement { + exportClause?: NamedExports; + moduleSpecifier?: Expression; + } + interface NamedImports extends Node { + elements: NodeArray; + } + interface NamedExports extends Node { + elements: NodeArray; + } + type NamedImportsOrExports = NamedImports | NamedExports; + interface ImportSpecifier extends Declaration { + propertyName?: Identifier; + name: Identifier; + } + interface ExportSpecifier extends Declaration { + propertyName?: Identifier; + name: Identifier; + } + type ImportOrExportSpecifier = ImportSpecifier | ExportSpecifier; + interface ExportAssignment extends DeclarationStatement { + isExportEquals?: boolean; + expression: Expression; + } + interface FileReference extends TextRange { + fileName: string; + } + interface CommentRange extends TextRange { + hasTrailingNewLine?: boolean; + kind: SyntaxKind; + } + interface JSDocTypeExpression extends Node { + type: JSDocType; + } + interface JSDocType extends TypeNode { + _jsDocTypeBrand: any; + } + interface JSDocAllType extends JSDocType { + _JSDocAllTypeBrand: any; + } + interface JSDocUnknownType extends JSDocType { + _JSDocUnknownTypeBrand: any; + } + interface JSDocArrayType extends JSDocType { + elementType: JSDocType; + } + interface JSDocUnionType extends JSDocType { + types: NodeArray; + } + interface JSDocTupleType extends JSDocType { + types: NodeArray; + } + interface JSDocNonNullableType extends JSDocType { + type: JSDocType; + } + interface JSDocNullableType extends JSDocType { + type: JSDocType; + } + interface JSDocRecordType extends JSDocType, TypeLiteralNode { + members: NodeArray; + } + interface JSDocTypeReference extends JSDocType { + name: EntityName; + typeArguments: NodeArray; + } + interface JSDocOptionalType extends JSDocType { + type: JSDocType; + } + interface JSDocFunctionType extends JSDocType, SignatureDeclaration { + parameters: NodeArray; + type: JSDocType; + } + interface JSDocVariadicType extends JSDocType { + type: JSDocType; + } + interface JSDocConstructorType extends JSDocType { + type: JSDocType; + } + interface JSDocThisType extends JSDocType { + type: JSDocType; + } + type JSDocTypeReferencingNode = JSDocThisType | JSDocConstructorType | JSDocVariadicType | JSDocOptionalType | JSDocNullableType | JSDocNonNullableType; + interface JSDocRecordMember extends PropertySignature { + name: Identifier | LiteralExpression; + type?: JSDocType; + } + interface JSDocComment extends Node { + tags: NodeArray; + } + interface JSDocTag extends Node { + atToken: Node; + tagName: Identifier; + } + interface JSDocTemplateTag extends JSDocTag { + typeParameters: NodeArray; + } + interface JSDocReturnTag extends JSDocTag { + typeExpression: JSDocTypeExpression; + } + interface JSDocTypeTag extends JSDocTag { + typeExpression: JSDocTypeExpression; + } + interface JSDocParameterTag extends JSDocTag { + preParameterName?: Identifier; + typeExpression?: JSDocTypeExpression; + postParameterName?: Identifier; + isBracketed: boolean; + } + interface AmdDependency { + path: string; + name: string; + } + interface SourceFile extends Declaration { + statements: NodeArray; + endOfFileToken: Node; + fileName: string; + path: Path; + text: string; + amdDependencies: AmdDependency[]; + moduleName: string; + referencedFiles: FileReference[]; + languageVariant: LanguageVariant; + /** + * lib.d.ts should have a reference comment like + * + * /// + * + * If any other file has this comment, it signals not to include lib.d.ts + * because this containing file is intended to act as a default library. + */ + hasNoDefaultLib: boolean; + languageVersion: ScriptTarget; + } + interface ScriptReferenceHost { + getCompilerOptions(): CompilerOptions; + getSourceFile(fileName: string): SourceFile; + getCurrentDirectory(): string; + } + interface ParseConfigHost { + readDirectory(rootDir: string, extension: string, exclude: string[]): string[]; + } + interface WriteFileCallback { + (fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void; + } + class OperationCanceledException { + } + interface CancellationToken { + isCancellationRequested(): boolean; + /** @throws OperationCanceledException if isCancellationRequested is true */ + throwIfCancellationRequested(): void; + } + interface Program extends ScriptReferenceHost { + /** + * Get a list of root file names that were passed to a 'createProgram' + */ + getRootFileNames(): string[]; + /** + * Get a list of files in the program + */ + getSourceFiles(): SourceFile[]; + /** + * Emits the JavaScript and declaration files. If targetSourceFile is not specified, then + * the JavaScript and declaration files will be produced for all the files in this program. + * If targetSourceFile is specified, then only the JavaScript and declaration for that + * specific file will be generated. + * + * If writeFile is not specified then the writeFile callback from the compiler host will be + * used for writing the JavaScript and declaration files. Otherwise, the writeFile parameter + * will be invoked when writing the JavaScript and declaration files. + */ + emit(targetSourceFile?: SourceFile, writeFile?: WriteFileCallback, cancellationToken?: CancellationToken): EmitResult; + getOptionsDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getGlobalDiagnostics(cancellationToken?: CancellationToken): Diagnostic[]; + getSyntacticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getSemanticDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + getDeclarationDiagnostics(sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + /** + * Gets a type checker that can be used to semantically analyze source fils in the program. + */ + getTypeChecker(): TypeChecker; + } + interface SourceMapSpan { + /** Line number in the .js file. */ + emittedLine: number; + /** Column number in the .js file. */ + emittedColumn: number; + /** Line number in the .ts file. */ + sourceLine: number; + /** Column number in the .ts file. */ + sourceColumn: number; + /** Optional name (index into names array) associated with this span. */ + nameIndex?: number; + /** .ts file (index into sources array) associated with this span */ + sourceIndex: number; + } + interface SourceMapData { + sourceMapFilePath: string; + jsSourceMappingURL: string; + sourceMapFile: string; + sourceMapSourceRoot: string; + sourceMapSources: string[]; + sourceMapSourcesContent?: string[]; + inputSourceFileNames: string[]; + sourceMapNames?: string[]; + sourceMapMappings: string; + sourceMapDecodedMappings: SourceMapSpan[]; + } + /** Return code used by getEmitOutput function to indicate status of the function */ + enum ExitStatus { + Success = 0, + DiagnosticsPresent_OutputsSkipped = 1, + DiagnosticsPresent_OutputsGenerated = 2, + } + interface EmitResult { + emitSkipped: boolean; + diagnostics: Diagnostic[]; + } + interface TypeChecker { + getTypeOfSymbolAtLocation(symbol: Symbol, node: Node): Type; + getDeclaredTypeOfSymbol(symbol: Symbol): Type; + getPropertiesOfType(type: Type): Symbol[]; + getPropertyOfType(type: Type, propertyName: string): Symbol; + getSignaturesOfType(type: Type, kind: SignatureKind): Signature[]; + getIndexTypeOfType(type: Type, kind: IndexKind): Type; + getBaseTypes(type: InterfaceType): ObjectType[]; + getReturnTypeOfSignature(signature: Signature): Type; + getSymbolsInScope(location: Node, meaning: SymbolFlags): Symbol[]; + getSymbolAtLocation(node: Node): Symbol; + getSymbolsOfParameterPropertyDeclaration(parameter: ParameterDeclaration, parameterName: string): Symbol[]; + getShorthandAssignmentValueSymbol(location: Node): Symbol; + getExportSpecifierLocalTargetSymbol(location: ExportSpecifier): Symbol; + getTypeAtLocation(node: Node): Type; + typeToString(type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): string; + symbolToString(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): string; + getSymbolDisplayBuilder(): SymbolDisplayBuilder; + getFullyQualifiedName(symbol: Symbol): string; + getAugmentedPropertiesOfType(type: Type): Symbol[]; + getRootSymbols(symbol: Symbol): Symbol[]; + getContextualType(node: Expression): Type; + getResolvedSignature(node: CallLikeExpression, candidatesOutArray?: Signature[]): Signature; + getSignatureFromDeclaration(declaration: SignatureDeclaration): Signature; + isImplementationOfOverload(node: FunctionLikeDeclaration): boolean; + isUndefinedSymbol(symbol: Symbol): boolean; + isArgumentsSymbol(symbol: Symbol): boolean; + isUnknownSymbol(symbol: Symbol): boolean; + getConstantValue(node: EnumMember | PropertyAccessExpression | ElementAccessExpression): number; + isValidPropertyAccess(node: PropertyAccessExpression | QualifiedName, propertyName: string): boolean; + getAliasedSymbol(symbol: Symbol): Symbol; + getExportsOfModule(moduleSymbol: Symbol): Symbol[]; + getJsxElementAttributesType(elementNode: JsxOpeningLikeElement): Type; + getJsxIntrinsicTagNames(): Symbol[]; + isOptionalParameter(node: ParameterDeclaration): boolean; + } + interface SymbolDisplayBuilder { + buildTypeDisplay(type: Type, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildSymbolDisplay(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, meaning?: SymbolFlags, flags?: SymbolFormatFlags): void; + buildSignatureDisplay(signatures: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags, kind?: SignatureKind): void; + buildParameterDisplay(parameter: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplay(tp: TypeParameter, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypePredicateDisplay(predicate: TypePredicate, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildTypeParameterDisplayFromSymbol(symbol: Symbol, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForParametersAndDelimiters(parameters: Symbol[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildDisplayForTypeParametersAndDelimiters(typeParameters: TypeParameter[], writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + buildReturnTypeDisplay(signature: Signature, writer: SymbolWriter, enclosingDeclaration?: Node, flags?: TypeFormatFlags): void; + } + interface SymbolWriter { + writeKeyword(text: string): void; + writeOperator(text: string): void; + writePunctuation(text: string): void; + writeSpace(text: string): void; + writeStringLiteral(text: string): void; + writeParameter(text: string): void; + writeSymbol(text: string, symbol: Symbol): void; + writeLine(): void; + increaseIndent(): void; + decreaseIndent(): void; + clear(): void; + trackSymbol(symbol: Symbol, enclosingDeclaration?: Node, meaning?: SymbolFlags): void; + reportInaccessibleThisError(): void; + } + enum TypeFormatFlags { + None = 0, + WriteArrayAsGenericType = 1, + UseTypeOfFunction = 2, + NoTruncation = 4, + WriteArrowStyleSignature = 8, + WriteOwnNameForAnyLike = 16, + WriteTypeArgumentsOfSignature = 32, + InElementType = 64, + UseFullyQualifiedType = 128, + } + enum SymbolFormatFlags { + None = 0, + WriteTypeParametersOrArguments = 1, + UseOnlyExternalAliasing = 2, + } + enum TypePredicateKind { + This = 0, + Identifier = 1, + } + interface TypePredicateBase { + kind: TypePredicateKind; + type: Type; + } + interface ThisTypePredicate extends TypePredicateBase { + _thisTypePredicateBrand: any; + } + interface IdentifierTypePredicate extends TypePredicateBase { + parameterName: string; + parameterIndex: number; + } + type TypePredicate = IdentifierTypePredicate | ThisTypePredicate; + enum SymbolFlags { + None = 0, + FunctionScopedVariable = 1, + BlockScopedVariable = 2, + Property = 4, + EnumMember = 8, + Function = 16, + Class = 32, + Interface = 64, + ConstEnum = 128, + RegularEnum = 256, + ValueModule = 512, + NamespaceModule = 1024, + TypeLiteral = 2048, + ObjectLiteral = 4096, + Method = 8192, + Constructor = 16384, + GetAccessor = 32768, + SetAccessor = 65536, + Signature = 131072, + TypeParameter = 262144, + TypeAlias = 524288, + ExportValue = 1048576, + ExportType = 2097152, + ExportNamespace = 4194304, + Alias = 8388608, + Instantiated = 16777216, + Merged = 33554432, + Transient = 67108864, + Prototype = 134217728, + SyntheticProperty = 268435456, + Optional = 536870912, + ExportStar = 1073741824, + Enum = 384, + Variable = 3, + Value = 107455, + Type = 793056, + Namespace = 1536, + Module = 1536, + Accessor = 98304, + FunctionScopedVariableExcludes = 107454, + BlockScopedVariableExcludes = 107455, + ParameterExcludes = 107455, + PropertyExcludes = 107455, + EnumMemberExcludes = 107455, + FunctionExcludes = 106927, + ClassExcludes = 899519, + InterfaceExcludes = 792960, + RegularEnumExcludes = 899327, + ConstEnumExcludes = 899967, + ValueModuleExcludes = 106639, + NamespaceModuleExcludes = 0, + MethodExcludes = 99263, + GetAccessorExcludes = 41919, + SetAccessorExcludes = 74687, + TypeParameterExcludes = 530912, + TypeAliasExcludes = 793056, + AliasExcludes = 8388608, + ModuleMember = 8914931, + ExportHasLocal = 944, + HasExports = 1952, + HasMembers = 6240, + BlockScoped = 418, + PropertyOrAccessor = 98308, + Export = 7340032, + } + interface Symbol { + flags: SymbolFlags; + name: string; + declarations?: Declaration[]; + valueDeclaration?: Declaration; + members?: SymbolTable; + exports?: SymbolTable; + } + interface SymbolTable { + [index: string]: Symbol; + } + enum TypeFlags { + Any = 1, + String = 2, + Number = 4, + Boolean = 8, + Void = 16, + Undefined = 32, + Null = 64, + Enum = 128, + StringLiteral = 256, + TypeParameter = 512, + Class = 1024, + Interface = 2048, + Reference = 4096, + Tuple = 8192, + Union = 16384, + Intersection = 32768, + Anonymous = 65536, + Instantiated = 131072, + ObjectLiteral = 524288, + ESSymbol = 16777216, + ThisType = 33554432, + ObjectLiteralPatternWithComputedProperties = 67108864, + StringLike = 258, + NumberLike = 132, + ObjectType = 80896, + UnionOrIntersection = 49152, + StructuredType = 130048, + } + type DestructuringPattern = BindingPattern | ObjectLiteralExpression | ArrayLiteralExpression; + interface Type { + flags: TypeFlags; + symbol?: Symbol; + pattern?: DestructuringPattern; + } + interface StringLiteralType extends Type { + text: string; + } + interface ObjectType extends Type { + } + interface InterfaceType extends ObjectType { + typeParameters: TypeParameter[]; + outerTypeParameters: TypeParameter[]; + localTypeParameters: TypeParameter[]; + thisType: TypeParameter; + } + interface InterfaceTypeWithDeclaredMembers extends InterfaceType { + declaredProperties: Symbol[]; + declaredCallSignatures: Signature[]; + declaredConstructSignatures: Signature[]; + declaredStringIndexType: Type; + declaredNumberIndexType: Type; + } + interface TypeReference extends ObjectType { + target: GenericType; + typeArguments: Type[]; + } + interface GenericType extends InterfaceType, TypeReference { + } + interface TupleType extends ObjectType { + elementTypes: Type[]; + } + interface UnionOrIntersectionType extends Type { + types: Type[]; + } + interface UnionType extends UnionOrIntersectionType { + } + interface IntersectionType extends UnionOrIntersectionType { + } + interface TypeParameter extends Type { + constraint: Type; + } + enum SignatureKind { + Call = 0, + Construct = 1, + } + interface Signature { + declaration: SignatureDeclaration; + typeParameters: TypeParameter[]; + parameters: Symbol[]; + } + enum IndexKind { + String = 0, + Number = 1, + } + interface DiagnosticMessage { + key: string; + category: DiagnosticCategory; + code: number; + message: string; + } + /** + * A linked list of formatted diagnostic messages to be used as part of a multiline message. + * It is built from the bottom up, leaving the head to be the "main" diagnostic. + * While it seems that DiagnosticMessageChain is structurally similar to DiagnosticMessage, + * the difference is that messages are all preformatted in DMC. + */ + interface DiagnosticMessageChain { + messageText: string; + category: DiagnosticCategory; + code: number; + next?: DiagnosticMessageChain; + } + interface Diagnostic { + file: SourceFile; + start: number; + length: number; + messageText: string | DiagnosticMessageChain; + category: DiagnosticCategory; + code: number; + } + enum DiagnosticCategory { + Warning = 0, + Error = 1, + Message = 2, + } + enum ModuleResolutionKind { + Classic = 1, + NodeJs = 2, + } + interface CompilerOptions { + allowNonTsExtensions?: boolean; + charset?: string; + declaration?: boolean; + diagnostics?: boolean; + emitBOM?: boolean; + help?: boolean; + init?: boolean; + inlineSourceMap?: boolean; + inlineSources?: boolean; + jsx?: JsxEmit; + reactNamespace?: string; + listFiles?: boolean; + locale?: string; + mapRoot?: string; + module?: ModuleKind; + newLine?: NewLineKind; + noEmit?: boolean; + noEmitHelpers?: boolean; + noEmitOnError?: boolean; + noErrorTruncation?: boolean; + noImplicitAny?: boolean; + noLib?: boolean; + noResolve?: boolean; + out?: string; + outFile?: string; + outDir?: string; + preserveConstEnums?: boolean; + project?: string; + removeComments?: boolean; + rootDir?: string; + sourceMap?: boolean; + sourceRoot?: string; + suppressExcessPropertyErrors?: boolean; + suppressImplicitAnyIndexErrors?: boolean; + target?: ScriptTarget; + version?: boolean; + watch?: boolean; + isolatedModules?: boolean; + experimentalDecorators?: boolean; + emitDecoratorMetadata?: boolean; + moduleResolution?: ModuleResolutionKind; + allowUnusedLabels?: boolean; + allowUnreachableCode?: boolean; + noImplicitReturns?: boolean; + noFallthroughCasesInSwitch?: boolean; + forceConsistentCasingInFileNames?: boolean; + allowSyntheticDefaultImports?: boolean; + allowJs?: boolean; + noImplicitUseStrict?: boolean; + [option: string]: string | number | boolean; + } + enum ModuleKind { + None = 0, + CommonJS = 1, + AMD = 2, + UMD = 3, + System = 4, + ES6 = 5, + ES2015 = 5, + } + enum JsxEmit { + None = 0, + Preserve = 1, + React = 2, + } + enum NewLineKind { + CarriageReturnLineFeed = 0, + LineFeed = 1, + } + interface LineAndCharacter { + line: number; + character: number; + } + enum ScriptTarget { + ES3 = 0, + ES5 = 1, + ES6 = 2, + ES2015 = 2, + Latest = 2, + } + enum LanguageVariant { + Standard = 0, + JSX = 1, + } + interface ParsedCommandLine { + options: CompilerOptions; + fileNames: string[]; + errors: Diagnostic[]; + } + interface ModuleResolutionHost { + fileExists(fileName: string): boolean; + readFile(fileName: string): string; + directoryExists?(directoryName: string): boolean; + } + interface ResolvedModule { + resolvedFileName: string; + isExternalLibraryImport?: boolean; + } + interface ResolvedModuleWithFailedLookupLocations { + resolvedModule: ResolvedModule; + failedLookupLocations: string[]; + } + interface CompilerHost extends ModuleResolutionHost { + getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile; + getCancellationToken?(): CancellationToken; + getDefaultLibFileName(options: CompilerOptions): string; + writeFile: WriteFileCallback; + getCurrentDirectory(): string; + getCanonicalFileName(fileName: string): string; + useCaseSensitiveFileNames(): boolean; + getNewLine(): string; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + } + interface TextSpan { + start: number; + length: number; + } + interface TextChangeRange { + span: TextSpan; + newLength: number; + } +} +declare namespace ts { + type FileWatcherCallback = (path: string, removed?: boolean) => void; + type DirectoryWatcherCallback = (path: string) => void; + interface System { + args: string[]; + newLine: string; + useCaseSensitiveFileNames: boolean; + write(s: string): void; + readFile(path: string, encoding?: string): string; + writeFile(path: string, data: string, writeByteOrderMark?: boolean): void; + watchFile?(path: Path, callback: FileWatcherCallback): FileWatcher; + watchDirectory?(path: string, callback: DirectoryWatcherCallback, recursive?: boolean): FileWatcher; + resolvePath(path: string): string; + fileExists(path: string): boolean; + directoryExists(path: string): boolean; + createDirectory(path: string): void; + getExecutingFilePath(): string; + getCurrentDirectory(): string; + readDirectory(path: string, extension?: string, exclude?: string[]): string[]; + getMemoryUsage?(): number; + exit(exitCode?: number): void; + } + interface FileWatcher { + close(): void; + } + interface DirectoryWatcher extends FileWatcher { + directoryPath: Path; + referenceCount: number; + } + var sys: System; +} +declare namespace ts { + interface ErrorCallback { + (message: DiagnosticMessage, length: number): void; + } + interface Scanner { + getStartPos(): number; + getToken(): SyntaxKind; + getTextPos(): number; + getTokenPos(): number; + getTokenText(): string; + getTokenValue(): string; + hasExtendedUnicodeEscape(): boolean; + hasPrecedingLineBreak(): boolean; + isIdentifier(): boolean; + isReservedWord(): boolean; + isUnterminated(): boolean; + reScanGreaterToken(): SyntaxKind; + reScanSlashToken(): SyntaxKind; + reScanTemplateToken(): SyntaxKind; + scanJsxIdentifier(): SyntaxKind; + reScanJsxToken(): SyntaxKind; + scanJsxToken(): SyntaxKind; + scanJSDocToken(): SyntaxKind; + scan(): SyntaxKind; + setText(text: string, start?: number, length?: number): void; + setOnError(onError: ErrorCallback): void; + setScriptTarget(scriptTarget: ScriptTarget): void; + setLanguageVariant(variant: LanguageVariant): void; + setTextPos(textPos: number): void; + lookAhead(callback: () => T): T; + scanRange(start: number, length: number, callback: () => T): T; + tryScan(callback: () => T): T; + } + function tokenToString(t: SyntaxKind): string; + function getPositionOfLineAndCharacter(sourceFile: SourceFile, line: number, character: number): number; + function getLineAndCharacterOfPosition(sourceFile: SourceFile, position: number): LineAndCharacter; + function isWhiteSpace(ch: number): boolean; + function isLineBreak(ch: number): boolean; + function couldStartTrivia(text: string, pos: number): boolean; + function getLeadingCommentRanges(text: string, pos: number): CommentRange[]; + function getTrailingCommentRanges(text: string, pos: number): CommentRange[]; + /** Optionally, get the shebang */ + function getShebang(text: string): string; + function isIdentifierStart(ch: number, languageVersion: ScriptTarget): boolean; + function isIdentifierPart(ch: number, languageVersion: ScriptTarget): boolean; + function createScanner(languageVersion: ScriptTarget, skipTrivia: boolean, languageVariant?: LanguageVariant, text?: string, onError?: ErrorCallback, start?: number, length?: number): Scanner; +} +declare namespace ts { + function getDefaultLibFileName(options: CompilerOptions): string; + function textSpanEnd(span: TextSpan): number; + function textSpanIsEmpty(span: TextSpan): boolean; + function textSpanContainsPosition(span: TextSpan, position: number): boolean; + function textSpanContainsTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlapsWith(span: TextSpan, other: TextSpan): boolean; + function textSpanOverlap(span1: TextSpan, span2: TextSpan): TextSpan; + function textSpanIntersectsWithTextSpan(span: TextSpan, other: TextSpan): boolean; + function textSpanIntersectsWith(span: TextSpan, start: number, length: number): boolean; + function decodedTextSpanIntersectsWith(start1: number, length1: number, start2: number, length2: number): boolean; + function textSpanIntersectsWithPosition(span: TextSpan, position: number): boolean; + function textSpanIntersection(span1: TextSpan, span2: TextSpan): TextSpan; + function createTextSpan(start: number, length: number): TextSpan; + function createTextSpanFromBounds(start: number, end: number): TextSpan; + function textChangeRangeNewSpan(range: TextChangeRange): TextSpan; + function textChangeRangeIsUnchanged(range: TextChangeRange): boolean; + function createTextChangeRange(span: TextSpan, newLength: number): TextChangeRange; + let unchangedTextChangeRange: TextChangeRange; + /** + * Called to merge all the changes that occurred across several versions of a script snapshot + * into a single change. i.e. if a user keeps making successive edits to a script we will + * have a text change from V1 to V2, V2 to V3, ..., Vn. + * + * This function will then merge those changes into a single change range valid between V1 and + * Vn. + */ + function collapseTextChangeRangesAcrossMultipleVersions(changes: TextChangeRange[]): TextChangeRange; + function getTypeParameterOwner(d: Declaration): Declaration; + function isParameterPropertyDeclaration(node: ParameterDeclaration): boolean; +} +declare namespace ts { + function createNode(kind: SyntaxKind, pos?: number, end?: number): Node; + function forEachChild(node: Node, cbNode: (node: Node) => T, cbNodeArray?: (nodes: Node[]) => T): T; + function createSourceFile(fileName: string, sourceText: string, languageVersion: ScriptTarget, setParentNodes?: boolean): SourceFile; + function updateSourceFile(sourceFile: SourceFile, newText: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; +} +declare namespace ts { + const version: string; + function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean): string; + function resolveTripleslashReference(moduleName: string, containingFile: string): string; + function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function nodeModuleNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function classicNameResolver(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations; + function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost; + function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[]; + function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain, newLine: string): string; + function createProgram(rootNames: string[], options: CompilerOptions, host?: CompilerHost, oldProgram?: Program): Program; +} +declare namespace ts { + function parseCommandLine(commandLine: string[], readFile?: (path: string) => string): ParsedCommandLine; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readConfigFile(fileName: string, readFile: (path: string) => string): { + config?: any; + error?: Diagnostic; + }; + /** + * Parse the text of the tsconfig.json file + * @param fileName The path to the config file + * @param jsonText The text of the config file + */ + function parseConfigFileTextToJson(fileName: string, jsonText: string): { + config?: any; + error?: Diagnostic; + }; + /** + * Parse the contents of a config file (tsconfig.json). + * @param json The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonConfigFileContent(json: any, host: ParseConfigHost, basePath: string, existingOptions?: CompilerOptions, configFileName?: string): ParsedCommandLine; + function convertCompilerOptionsFromJson(jsonOptions: any, basePath: string, configFileName?: string): { + options: CompilerOptions; + errors: Diagnostic[]; + }; +} +declare namespace ts { + /** The version of the language service API */ + const servicesVersion: string; + interface Node { + getSourceFile(): SourceFile; + getChildCount(sourceFile?: SourceFile): number; + getChildAt(index: number, sourceFile?: SourceFile): Node; + getChildren(sourceFile?: SourceFile): Node[]; + getStart(sourceFile?: SourceFile): number; + getFullStart(): number; + getEnd(): number; + getWidth(sourceFile?: SourceFile): number; + getFullWidth(): number; + getLeadingTriviaWidth(sourceFile?: SourceFile): number; + getFullText(sourceFile?: SourceFile): string; + getText(sourceFile?: SourceFile): string; + getFirstToken(sourceFile?: SourceFile): Node; + getLastToken(sourceFile?: SourceFile): Node; + } + interface Symbol { + getFlags(): SymbolFlags; + getName(): string; + getDeclarations(): Declaration[]; + getDocumentationComment(): SymbolDisplayPart[]; + } + interface Type { + getFlags(): TypeFlags; + getSymbol(): Symbol; + getProperties(): Symbol[]; + getProperty(propertyName: string): Symbol; + getApparentProperties(): Symbol[]; + getCallSignatures(): Signature[]; + getConstructSignatures(): Signature[]; + getStringIndexType(): Type; + getNumberIndexType(): Type; + getBaseTypes(): ObjectType[]; + } + interface Signature { + getDeclaration(): SignatureDeclaration; + getTypeParameters(): Type[]; + getParameters(): Symbol[]; + getReturnType(): Type; + getDocumentationComment(): SymbolDisplayPart[]; + } + interface SourceFile { + getLineAndCharacterOfPosition(pos: number): LineAndCharacter; + getLineStarts(): number[]; + getPositionOfLineAndCharacter(line: number, character: number): number; + update(newText: string, textChangeRange: TextChangeRange): SourceFile; + } + /** + * Represents an immutable snapshot of a script at a specified time.Once acquired, the + * snapshot is observably immutable. i.e. the same calls with the same parameters will return + * the same values. + */ + interface IScriptSnapshot { + /** Gets a portion of the script snapshot specified by [start, end). */ + getText(start: number, end: number): string; + /** Gets the length of this script snapshot. */ + getLength(): number; + /** + * Gets the TextChangeRange that describe how the text changed between this text and + * an older version. This information is used by the incremental parser to determine + * what sections of the script need to be re-parsed. 'undefined' can be returned if the + * change range cannot be determined. However, in that case, incremental parsing will + * not happen and the entire document will be re - parsed. + */ + getChangeRange(oldSnapshot: IScriptSnapshot): TextChangeRange; + /** Releases all resources held by this script snapshot */ + dispose?(): void; + } + namespace ScriptSnapshot { + function fromString(text: string): IScriptSnapshot; + } + interface PreProcessedFileInfo { + referencedFiles: FileReference[]; + importedFiles: FileReference[]; + ambientExternalModules: string[]; + isLibFile: boolean; + } + interface HostCancellationToken { + isCancellationRequested(): boolean; + } + interface LanguageServiceHost { + getCompilationSettings(): CompilerOptions; + getNewLine?(): string; + getProjectVersion?(): string; + getScriptFileNames(): string[]; + getScriptVersion(fileName: string): string; + getScriptSnapshot(fileName: string): IScriptSnapshot; + getLocalizedDiagnosticMessages?(): any; + getCancellationToken?(): HostCancellationToken; + getCurrentDirectory(): string; + getDefaultLibFileName(options: CompilerOptions): string; + log?(s: string): void; + trace?(s: string): void; + error?(s: string): void; + useCaseSensitiveFileNames?(): boolean; + resolveModuleNames?(moduleNames: string[], containingFile: string): ResolvedModule[]; + directoryExists?(directoryName: string): boolean; + } + interface LanguageService { + cleanupSemanticCache(): void; + getSyntacticDiagnostics(fileName: string): Diagnostic[]; + getSemanticDiagnostics(fileName: string): Diagnostic[]; + getCompilerOptionsDiagnostics(): Diagnostic[]; + /** + * @deprecated Use getEncodedSyntacticClassifications instead. + */ + getSyntacticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + /** + * @deprecated Use getEncodedSemanticClassifications instead. + */ + getSemanticClassifications(fileName: string, span: TextSpan): ClassifiedSpan[]; + getEncodedSyntacticClassifications(fileName: string, span: TextSpan): Classifications; + getEncodedSemanticClassifications(fileName: string, span: TextSpan): Classifications; + getCompletionsAtPosition(fileName: string, position: number): CompletionInfo; + getCompletionEntryDetails(fileName: string, position: number, entryName: string): CompletionEntryDetails; + getQuickInfoAtPosition(fileName: string, position: number): QuickInfo; + getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): TextSpan; + getBreakpointStatementAtPosition(fileName: string, position: number): TextSpan; + getSignatureHelpItems(fileName: string, position: number): SignatureHelpItems; + getRenameInfo(fileName: string, position: number): RenameInfo; + findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): RenameLocation[]; + getDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getTypeDefinitionAtPosition(fileName: string, position: number): DefinitionInfo[]; + getReferencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + findReferences(fileName: string, position: number): ReferencedSymbol[]; + getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): DocumentHighlights[]; + /** @deprecated */ + getOccurrencesAtPosition(fileName: string, position: number): ReferenceEntry[]; + getNavigateToItems(searchValue: string, maxResultCount?: number): NavigateToItem[]; + getNavigationBarItems(fileName: string): NavigationBarItem[]; + getOutliningSpans(fileName: string): OutliningSpan[]; + getTodoComments(fileName: string, descriptors: TodoCommentDescriptor[]): TodoComment[]; + getBraceMatchingAtPosition(fileName: string, position: number): TextSpan[]; + getIndentationAtPosition(fileName: string, position: number, options: EditorOptions): number; + getFormattingEditsForRange(fileName: string, start: number, end: number, options: FormatCodeOptions): TextChange[]; + getFormattingEditsForDocument(fileName: string, options: FormatCodeOptions): TextChange[]; + getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: FormatCodeOptions): TextChange[]; + getDocCommentTemplateAtPosition(fileName: string, position: number): TextInsertion; + getEmitOutput(fileName: string): EmitOutput; + getProgram(): Program; + getSourceFile(fileName: string): SourceFile; + dispose(): void; + } + interface Classifications { + spans: number[]; + endOfLineState: EndOfLineState; + } + interface ClassifiedSpan { + textSpan: TextSpan; + classificationType: string; + } + interface NavigationBarItem { + text: string; + kind: string; + kindModifiers: string; + spans: TextSpan[]; + childItems: NavigationBarItem[]; + indent: number; + bolded: boolean; + grayed: boolean; + } + interface TodoCommentDescriptor { + text: string; + priority: number; + } + interface TodoComment { + descriptor: TodoCommentDescriptor; + message: string; + position: number; + } + class TextChange { + span: TextSpan; + newText: string; + } + interface TextInsertion { + newText: string; + /** The position in newText the caret should point to after the insertion. */ + caretOffset: number; + } + interface RenameLocation { + textSpan: TextSpan; + fileName: string; + } + interface ReferenceEntry { + textSpan: TextSpan; + fileName: string; + isWriteAccess: boolean; + } + interface DocumentHighlights { + fileName: string; + highlightSpans: HighlightSpan[]; + } + namespace HighlightSpanKind { + const none: string; + const definition: string; + const reference: string; + const writtenReference: string; + } + interface HighlightSpan { + fileName?: string; + textSpan: TextSpan; + kind: string; + } + interface NavigateToItem { + name: string; + kind: string; + kindModifiers: string; + matchKind: string; + isCaseSensitive: boolean; + fileName: string; + textSpan: TextSpan; + containerName: string; + containerKind: string; + } + interface EditorOptions { + IndentSize: number; + TabSize: number; + NewLineCharacter: string; + ConvertTabsToSpaces: boolean; + IndentStyle: IndentStyle; + } + enum IndentStyle { + None = 0, + Block = 1, + Smart = 2, + } + interface FormatCodeOptions extends EditorOptions { + InsertSpaceAfterCommaDelimiter: boolean; + InsertSpaceAfterSemicolonInForStatements: boolean; + InsertSpaceBeforeAndAfterBinaryOperators: boolean; + InsertSpaceAfterKeywordsInControlFlowStatements: boolean; + InsertSpaceAfterFunctionKeywordForAnonymousFunctions: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: boolean; + InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: boolean; + InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: boolean; + PlaceOpenBraceOnNewLineForFunctions: boolean; + PlaceOpenBraceOnNewLineForControlBlocks: boolean; + [s: string]: boolean | number | string; + } + interface DefinitionInfo { + fileName: string; + textSpan: TextSpan; + kind: string; + name: string; + containerKind: string; + containerName: string; + } + interface ReferencedSymbol { + definition: DefinitionInfo; + references: ReferenceEntry[]; + } + enum SymbolDisplayPartKind { + aliasName = 0, + className = 1, + enumName = 2, + fieldName = 3, + interfaceName = 4, + keyword = 5, + lineBreak = 6, + numericLiteral = 7, + stringLiteral = 8, + localName = 9, + methodName = 10, + moduleName = 11, + operator = 12, + parameterName = 13, + propertyName = 14, + punctuation = 15, + space = 16, + text = 17, + typeParameterName = 18, + enumMemberName = 19, + functionName = 20, + regularExpressionLiteral = 21, + } + interface SymbolDisplayPart { + text: string; + kind: string; + } + interface QuickInfo { + kind: string; + kindModifiers: string; + textSpan: TextSpan; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; + } + interface RenameInfo { + canRename: boolean; + localizedErrorMessage: string; + displayName: string; + fullDisplayName: string; + kind: string; + kindModifiers: string; + triggerSpan: TextSpan; + } + interface SignatureHelpParameter { + name: string; + documentation: SymbolDisplayPart[]; + displayParts: SymbolDisplayPart[]; + isOptional: boolean; + } + /** + * Represents a single signature to show in signature help. + * The id is used for subsequent calls into the language service to ask questions about the + * signature help item in the context of any documents that have been updated. i.e. after + * an edit has happened, while signature help is still active, the host can ask important + * questions like 'what parameter is the user currently contained within?'. + */ + interface SignatureHelpItem { + isVariadic: boolean; + prefixDisplayParts: SymbolDisplayPart[]; + suffixDisplayParts: SymbolDisplayPart[]; + separatorDisplayParts: SymbolDisplayPart[]; + parameters: SignatureHelpParameter[]; + documentation: SymbolDisplayPart[]; + } + /** + * Represents a set of signature help items, and the preferred item that should be selected. + */ + interface SignatureHelpItems { + items: SignatureHelpItem[]; + applicableSpan: TextSpan; + selectedItemIndex: number; + argumentIndex: number; + argumentCount: number; + } + interface CompletionInfo { + isMemberCompletion: boolean; + isNewIdentifierLocation: boolean; + entries: CompletionEntry[]; + } + interface CompletionEntry { + name: string; + kind: string; + kindModifiers: string; + sortText: string; + } + interface CompletionEntryDetails { + name: string; + kind: string; + kindModifiers: string; + displayParts: SymbolDisplayPart[]; + documentation: SymbolDisplayPart[]; + } + interface OutliningSpan { + /** The span of the document to actually collapse. */ + textSpan: TextSpan; + /** The span of the document to display when the user hovers over the collapsed span. */ + hintSpan: TextSpan; + /** The text to display in the editor for the collapsed region. */ + bannerText: string; + /** + * Whether or not this region should be automatically collapsed when + * the 'Collapse to Definitions' command is invoked. + */ + autoCollapse: boolean; + } + interface EmitOutput { + outputFiles: OutputFile[]; + emitSkipped: boolean; + } + enum OutputFileType { + JavaScript = 0, + SourceMap = 1, + Declaration = 2, + } + interface OutputFile { + name: string; + writeByteOrderMark: boolean; + text: string; + } + enum EndOfLineState { + None = 0, + InMultiLineCommentTrivia = 1, + InSingleQuoteStringLiteral = 2, + InDoubleQuoteStringLiteral = 3, + InTemplateHeadOrNoSubstitutionTemplate = 4, + InTemplateMiddleOrTail = 5, + InTemplateSubstitutionPosition = 6, + } + enum TokenClass { + Punctuation = 0, + Keyword = 1, + Operator = 2, + Comment = 3, + Whitespace = 4, + Identifier = 5, + NumberLiteral = 6, + StringLiteral = 7, + RegExpLiteral = 8, + } + interface ClassificationResult { + finalLexState: EndOfLineState; + entries: ClassificationInfo[]; + } + interface ClassificationInfo { + length: number; + classification: TokenClass; + } + interface Classifier { + /** + * Gives lexical classifications of tokens on a line without any syntactic context. + * For instance, a token consisting of the text 'string' can be either an identifier + * named 'string' or the keyword 'string', however, because this classifier is not aware, + * it relies on certain heuristics to give acceptable results. For classifications where + * speed trumps accuracy, this function is preferable; however, for true accuracy, the + * syntactic classifier is ideal. In fact, in certain editing scenarios, combining the + * lexical, syntactic, and semantic classifiers may issue the best user experience. + * + * @param text The text of a line to classify. + * @param lexState The state of the lexical classifier at the end of the previous line. + * @param syntacticClassifierAbsent Whether the client is *not* using a syntactic classifier. + * If there is no syntactic classifier (syntacticClassifierAbsent=true), + * certain heuristics may be used in its place; however, if there is a + * syntactic classifier (syntacticClassifierAbsent=false), certain + * classifications which may be incorrectly categorized will be given + * back as Identifiers in order to allow the syntactic classifier to + * subsume the classification. + * @deprecated Use getLexicalClassifications instead. + */ + getClassificationsForLine(text: string, lexState: EndOfLineState, syntacticClassifierAbsent: boolean): ClassificationResult; + getEncodedLexicalClassifications(text: string, endOfLineState: EndOfLineState, syntacticClassifierAbsent: boolean): Classifications; + } + /** + * The document registry represents a store of SourceFile objects that can be shared between + * multiple LanguageService instances. A LanguageService instance holds on the SourceFile (AST) + * of files in the context. + * SourceFile objects account for most of the memory usage by the language service. Sharing + * the same DocumentRegistry instance between different instances of LanguageService allow + * for more efficient memory utilization since all projects will share at least the library + * file (lib.d.ts). + * + * A more advanced use of the document registry is to serialize sourceFile objects to disk + * and re-hydrate them when needed. + * + * To create a default DocumentRegistry, use createDocumentRegistry to create one, and pass it + * to all subsequent createLanguageService calls. + */ + interface DocumentRegistry { + /** + * Request a stored SourceFile with a given fileName and compilationSettings. + * The first call to acquire will call createLanguageServiceSourceFile to generate + * the SourceFile if was not found in the registry. + * + * @param fileName The name of the file requested + * @param compilationSettings Some compilation settings like target affects the + * shape of a the resulting SourceFile. This allows the DocumentRegistry to store + * multiple copies of the same file for different compilation settings. + * @parm scriptSnapshot Text of the file. Only used if the file was not found + * in the registry and a new one was created. + * @parm version Current version of the file. Only used if the file was not found + * in the registry and a new one was created. + */ + acquireDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; + /** + * Request an updated version of an already existing SourceFile with a given fileName + * and compilationSettings. The update will in-turn call updateLanguageServiceSourceFile + * to get an updated SourceFile. + * + * @param fileName The name of the file requested + * @param compilationSettings Some compilation settings like target affects the + * shape of a the resulting SourceFile. This allows the DocumentRegistry to store + * multiple copies of the same file for different compilation settings. + * @param scriptSnapshot Text of the file. + * @param version Current version of the file. + */ + updateDocument(fileName: string, compilationSettings: CompilerOptions, scriptSnapshot: IScriptSnapshot, version: string): SourceFile; + /** + * Informs the DocumentRegistry that a file is not needed any longer. + * + * Note: It is not allowed to call release on a SourceFile that was not acquired from + * this registry originally. + * + * @param fileName The name of the file to be released + * @param compilationSettings The compilation settings used to acquire the file + */ + releaseDocument(fileName: string, compilationSettings: CompilerOptions): void; + reportStats(): string; + } + namespace ScriptElementKind { + const unknown: string; + const warning: string; + const keyword: string; + const scriptElement: string; + const moduleElement: string; + const classElement: string; + const localClassElement: string; + const interfaceElement: string; + const typeElement: string; + const enumElement: string; + const variableElement: string; + const localVariableElement: string; + const functionElement: string; + const localFunctionElement: string; + const memberFunctionElement: string; + const memberGetAccessorElement: string; + const memberSetAccessorElement: string; + const memberVariableElement: string; + const constructorImplementationElement: string; + const callSignatureElement: string; + const indexSignatureElement: string; + const constructSignatureElement: string; + const parameterElement: string; + const typeParameterElement: string; + const primitiveType: string; + const label: string; + const alias: string; + const constElement: string; + const letElement: string; + } + namespace ScriptElementKindModifier { + const none: string; + const publicMemberModifier: string; + const privateMemberModifier: string; + const protectedMemberModifier: string; + const exportedModifier: string; + const ambientModifier: string; + const staticModifier: string; + const abstractModifier: string; + } + class ClassificationTypeNames { + static comment: string; + static identifier: string; + static keyword: string; + static numericLiteral: string; + static operator: string; + static stringLiteral: string; + static whiteSpace: string; + static text: string; + static punctuation: string; + static className: string; + static enumName: string; + static interfaceName: string; + static moduleName: string; + static typeParameterName: string; + static typeAliasName: string; + static parameterName: string; + static docCommentTagName: string; + static jsxOpenTagName: string; + static jsxCloseTagName: string; + static jsxSelfClosingTagName: string; + static jsxAttribute: string; + static jsxText: string; + static jsxAttributeStringLiteralValue: string; + } + enum ClassificationType { + comment = 1, + identifier = 2, + keyword = 3, + numericLiteral = 4, + operator = 5, + stringLiteral = 6, + regularExpressionLiteral = 7, + whiteSpace = 8, + text = 9, + punctuation = 10, + className = 11, + enumName = 12, + interfaceName = 13, + moduleName = 14, + typeParameterName = 15, + typeAliasName = 16, + parameterName = 17, + docCommentTagName = 18, + jsxOpenTagName = 19, + jsxCloseTagName = 20, + jsxSelfClosingTagName = 21, + jsxAttribute = 22, + jsxText = 23, + jsxAttributeStringLiteralValue = 24, + } + interface DisplayPartsSymbolWriter extends SymbolWriter { + displayParts(): SymbolDisplayPart[]; + } + function displayPartsToString(displayParts: SymbolDisplayPart[]): string; + function getDefaultCompilerOptions(): CompilerOptions; + interface TranspileOptions { + compilerOptions?: CompilerOptions; + fileName?: string; + reportDiagnostics?: boolean; + moduleName?: string; + renamedDependencies?: Map; + } + interface TranspileOutput { + outputText: string; + diagnostics?: Diagnostic[]; + sourceMapText?: string; + } + function transpileModule(input: string, transpileOptions: TranspileOptions): TranspileOutput; + function transpile(input: string, compilerOptions?: CompilerOptions, fileName?: string, diagnostics?: Diagnostic[], moduleName?: string): string; + function createLanguageServiceSourceFile(fileName: string, scriptSnapshot: IScriptSnapshot, scriptTarget: ScriptTarget, version: string, setNodeParents: boolean): SourceFile; + let disableIncrementalParsing: boolean; + function updateLanguageServiceSourceFile(sourceFile: SourceFile, scriptSnapshot: IScriptSnapshot, version: string, textChangeRange: TextChangeRange, aggressiveChecks?: boolean): SourceFile; + function createDocumentRegistry(useCaseSensitiveFileNames?: boolean, currentDirectory?: string): DocumentRegistry; + function preProcessFile(sourceText: string, readImportFiles?: boolean, detectJavaScriptImports?: boolean): PreProcessedFileInfo; + function createLanguageService(host: LanguageServiceHost, documentRegistry?: DocumentRegistry): LanguageService; + function createClassifier(): Classifier; + /** + * Get the path of the default library files (lib.d.ts) as distributed with the typescript + * node package. + * The functionality is not supported if the ts module is consumed outside of a node module. + */ + function getDefaultLibFilePath(options: CompilerOptions): string; +} diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js index 16cfdd54e3403..b388d96b07837 100644 --- a/lib/typescriptServices.js +++ b/lib/typescriptServices.js @@ -13,54169 +13,54173 @@ See the Apache Version 2.0 License for specific language governing permissions and limitations under the License. ***************************************************************************** */ -var __extends = (this && this.__extends) || function (d, b) { - for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; - function __() { this.constructor = d; } - d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); -}; -var ts; -(function (ts) { - // token > SyntaxKind.Identifer => token is a keyword - // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync - (function (SyntaxKind) { - SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; - SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; - SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; - SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; - SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; - SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; - // We detect and preserve #! on the first line - SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; - // We detect and provide better error recovery when we encounter a git merge marker. This - // allows us to edit files with git-conflict markers in them in a much more pleasant manner. - SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; - // Literals - SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; - SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; - SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 10] = "RegularExpressionLiteral"; - SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 11] = "NoSubstitutionTemplateLiteral"; - // Pseudo-literals - SyntaxKind[SyntaxKind["TemplateHead"] = 12] = "TemplateHead"; - SyntaxKind[SyntaxKind["TemplateMiddle"] = 13] = "TemplateMiddle"; - SyntaxKind[SyntaxKind["TemplateTail"] = 14] = "TemplateTail"; - // Punctuation - SyntaxKind[SyntaxKind["OpenBraceToken"] = 15] = "OpenBraceToken"; - SyntaxKind[SyntaxKind["CloseBraceToken"] = 16] = "CloseBraceToken"; - SyntaxKind[SyntaxKind["OpenParenToken"] = 17] = "OpenParenToken"; - SyntaxKind[SyntaxKind["CloseParenToken"] = 18] = "CloseParenToken"; - SyntaxKind[SyntaxKind["OpenBracketToken"] = 19] = "OpenBracketToken"; - SyntaxKind[SyntaxKind["CloseBracketToken"] = 20] = "CloseBracketToken"; - SyntaxKind[SyntaxKind["DotToken"] = 21] = "DotToken"; - SyntaxKind[SyntaxKind["DotDotDotToken"] = 22] = "DotDotDotToken"; - SyntaxKind[SyntaxKind["SemicolonToken"] = 23] = "SemicolonToken"; - SyntaxKind[SyntaxKind["CommaToken"] = 24] = "CommaToken"; - SyntaxKind[SyntaxKind["LessThanToken"] = 25] = "LessThanToken"; - SyntaxKind[SyntaxKind["LessThanSlashToken"] = 26] = "LessThanSlashToken"; - SyntaxKind[SyntaxKind["GreaterThanToken"] = 27] = "GreaterThanToken"; - SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 28] = "LessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 29] = "GreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 30] = "EqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 31] = "ExclamationEqualsToken"; - SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 32] = "EqualsEqualsEqualsToken"; - SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 33] = "ExclamationEqualsEqualsToken"; - SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 34] = "EqualsGreaterThanToken"; - SyntaxKind[SyntaxKind["PlusToken"] = 35] = "PlusToken"; - SyntaxKind[SyntaxKind["MinusToken"] = 36] = "MinusToken"; - SyntaxKind[SyntaxKind["AsteriskToken"] = 37] = "AsteriskToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 38] = "AsteriskAsteriskToken"; - SyntaxKind[SyntaxKind["SlashToken"] = 39] = "SlashToken"; - SyntaxKind[SyntaxKind["PercentToken"] = 40] = "PercentToken"; - SyntaxKind[SyntaxKind["PlusPlusToken"] = 41] = "PlusPlusToken"; - SyntaxKind[SyntaxKind["MinusMinusToken"] = 42] = "MinusMinusToken"; - SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 43] = "LessThanLessThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 44] = "GreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanGreaterThanToken"; - SyntaxKind[SyntaxKind["AmpersandToken"] = 46] = "AmpersandToken"; - SyntaxKind[SyntaxKind["BarToken"] = 47] = "BarToken"; - SyntaxKind[SyntaxKind["CaretToken"] = 48] = "CaretToken"; - SyntaxKind[SyntaxKind["ExclamationToken"] = 49] = "ExclamationToken"; - SyntaxKind[SyntaxKind["TildeToken"] = 50] = "TildeToken"; - SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 51] = "AmpersandAmpersandToken"; - SyntaxKind[SyntaxKind["BarBarToken"] = 52] = "BarBarToken"; - SyntaxKind[SyntaxKind["QuestionToken"] = 53] = "QuestionToken"; - SyntaxKind[SyntaxKind["ColonToken"] = 54] = "ColonToken"; - SyntaxKind[SyntaxKind["AtToken"] = 55] = "AtToken"; - // Assignments - SyntaxKind[SyntaxKind["EqualsToken"] = 56] = "EqualsToken"; - SyntaxKind[SyntaxKind["PlusEqualsToken"] = 57] = "PlusEqualsToken"; - SyntaxKind[SyntaxKind["MinusEqualsToken"] = 58] = "MinusEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 59] = "AsteriskEqualsToken"; - SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 60] = "AsteriskAsteriskEqualsToken"; - SyntaxKind[SyntaxKind["SlashEqualsToken"] = 61] = "SlashEqualsToken"; - SyntaxKind[SyntaxKind["PercentEqualsToken"] = 62] = "PercentEqualsToken"; - SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 63] = "LessThanLessThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 64] = "GreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanGreaterThanEqualsToken"; - SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 66] = "AmpersandEqualsToken"; - SyntaxKind[SyntaxKind["BarEqualsToken"] = 67] = "BarEqualsToken"; - SyntaxKind[SyntaxKind["CaretEqualsToken"] = 68] = "CaretEqualsToken"; - // Identifiers - SyntaxKind[SyntaxKind["Identifier"] = 69] = "Identifier"; - // Reserved words - SyntaxKind[SyntaxKind["BreakKeyword"] = 70] = "BreakKeyword"; - SyntaxKind[SyntaxKind["CaseKeyword"] = 71] = "CaseKeyword"; - SyntaxKind[SyntaxKind["CatchKeyword"] = 72] = "CatchKeyword"; - SyntaxKind[SyntaxKind["ClassKeyword"] = 73] = "ClassKeyword"; - SyntaxKind[SyntaxKind["ConstKeyword"] = 74] = "ConstKeyword"; - SyntaxKind[SyntaxKind["ContinueKeyword"] = 75] = "ContinueKeyword"; - SyntaxKind[SyntaxKind["DebuggerKeyword"] = 76] = "DebuggerKeyword"; - SyntaxKind[SyntaxKind["DefaultKeyword"] = 77] = "DefaultKeyword"; - SyntaxKind[SyntaxKind["DeleteKeyword"] = 78] = "DeleteKeyword"; - SyntaxKind[SyntaxKind["DoKeyword"] = 79] = "DoKeyword"; - SyntaxKind[SyntaxKind["ElseKeyword"] = 80] = "ElseKeyword"; - SyntaxKind[SyntaxKind["EnumKeyword"] = 81] = "EnumKeyword"; - SyntaxKind[SyntaxKind["ExportKeyword"] = 82] = "ExportKeyword"; - SyntaxKind[SyntaxKind["ExtendsKeyword"] = 83] = "ExtendsKeyword"; - SyntaxKind[SyntaxKind["FalseKeyword"] = 84] = "FalseKeyword"; - SyntaxKind[SyntaxKind["FinallyKeyword"] = 85] = "FinallyKeyword"; - SyntaxKind[SyntaxKind["ForKeyword"] = 86] = "ForKeyword"; - SyntaxKind[SyntaxKind["FunctionKeyword"] = 87] = "FunctionKeyword"; - SyntaxKind[SyntaxKind["IfKeyword"] = 88] = "IfKeyword"; - SyntaxKind[SyntaxKind["ImportKeyword"] = 89] = "ImportKeyword"; - SyntaxKind[SyntaxKind["InKeyword"] = 90] = "InKeyword"; - SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 91] = "InstanceOfKeyword"; - SyntaxKind[SyntaxKind["NewKeyword"] = 92] = "NewKeyword"; - SyntaxKind[SyntaxKind["NullKeyword"] = 93] = "NullKeyword"; - SyntaxKind[SyntaxKind["ReturnKeyword"] = 94] = "ReturnKeyword"; - SyntaxKind[SyntaxKind["SuperKeyword"] = 95] = "SuperKeyword"; - SyntaxKind[SyntaxKind["SwitchKeyword"] = 96] = "SwitchKeyword"; - SyntaxKind[SyntaxKind["ThisKeyword"] = 97] = "ThisKeyword"; - SyntaxKind[SyntaxKind["ThrowKeyword"] = 98] = "ThrowKeyword"; - SyntaxKind[SyntaxKind["TrueKeyword"] = 99] = "TrueKeyword"; - SyntaxKind[SyntaxKind["TryKeyword"] = 100] = "TryKeyword"; - SyntaxKind[SyntaxKind["TypeOfKeyword"] = 101] = "TypeOfKeyword"; - SyntaxKind[SyntaxKind["VarKeyword"] = 102] = "VarKeyword"; - SyntaxKind[SyntaxKind["VoidKeyword"] = 103] = "VoidKeyword"; - SyntaxKind[SyntaxKind["WhileKeyword"] = 104] = "WhileKeyword"; - SyntaxKind[SyntaxKind["WithKeyword"] = 105] = "WithKeyword"; - // Strict mode reserved words - SyntaxKind[SyntaxKind["ImplementsKeyword"] = 106] = "ImplementsKeyword"; - SyntaxKind[SyntaxKind["InterfaceKeyword"] = 107] = "InterfaceKeyword"; - SyntaxKind[SyntaxKind["LetKeyword"] = 108] = "LetKeyword"; - SyntaxKind[SyntaxKind["PackageKeyword"] = 109] = "PackageKeyword"; - SyntaxKind[SyntaxKind["PrivateKeyword"] = 110] = "PrivateKeyword"; - SyntaxKind[SyntaxKind["ProtectedKeyword"] = 111] = "ProtectedKeyword"; - SyntaxKind[SyntaxKind["PublicKeyword"] = 112] = "PublicKeyword"; - SyntaxKind[SyntaxKind["StaticKeyword"] = 113] = "StaticKeyword"; - SyntaxKind[SyntaxKind["YieldKeyword"] = 114] = "YieldKeyword"; - // Contextual keywords - SyntaxKind[SyntaxKind["AbstractKeyword"] = 115] = "AbstractKeyword"; - SyntaxKind[SyntaxKind["AsKeyword"] = 116] = "AsKeyword"; - SyntaxKind[SyntaxKind["AnyKeyword"] = 117] = "AnyKeyword"; - SyntaxKind[SyntaxKind["AsyncKeyword"] = 118] = "AsyncKeyword"; - SyntaxKind[SyntaxKind["AwaitKeyword"] = 119] = "AwaitKeyword"; - SyntaxKind[SyntaxKind["BooleanKeyword"] = 120] = "BooleanKeyword"; - SyntaxKind[SyntaxKind["ConstructorKeyword"] = 121] = "ConstructorKeyword"; - SyntaxKind[SyntaxKind["DeclareKeyword"] = 122] = "DeclareKeyword"; - SyntaxKind[SyntaxKind["GetKeyword"] = 123] = "GetKeyword"; - SyntaxKind[SyntaxKind["IsKeyword"] = 124] = "IsKeyword"; - SyntaxKind[SyntaxKind["ModuleKeyword"] = 125] = "ModuleKeyword"; - SyntaxKind[SyntaxKind["NamespaceKeyword"] = 126] = "NamespaceKeyword"; - SyntaxKind[SyntaxKind["RequireKeyword"] = 127] = "RequireKeyword"; - SyntaxKind[SyntaxKind["NumberKeyword"] = 128] = "NumberKeyword"; - SyntaxKind[SyntaxKind["SetKeyword"] = 129] = "SetKeyword"; - SyntaxKind[SyntaxKind["StringKeyword"] = 130] = "StringKeyword"; - SyntaxKind[SyntaxKind["SymbolKeyword"] = 131] = "SymbolKeyword"; - SyntaxKind[SyntaxKind["TypeKeyword"] = 132] = "TypeKeyword"; - SyntaxKind[SyntaxKind["FromKeyword"] = 133] = "FromKeyword"; - SyntaxKind[SyntaxKind["GlobalKeyword"] = 134] = "GlobalKeyword"; - SyntaxKind[SyntaxKind["OfKeyword"] = 135] = "OfKeyword"; - // Parse tree nodes - // Names - SyntaxKind[SyntaxKind["QualifiedName"] = 136] = "QualifiedName"; - SyntaxKind[SyntaxKind["ComputedPropertyName"] = 137] = "ComputedPropertyName"; - // Signature elements - SyntaxKind[SyntaxKind["TypeParameter"] = 138] = "TypeParameter"; - SyntaxKind[SyntaxKind["Parameter"] = 139] = "Parameter"; - SyntaxKind[SyntaxKind["Decorator"] = 140] = "Decorator"; - // TypeMember - SyntaxKind[SyntaxKind["PropertySignature"] = 141] = "PropertySignature"; - SyntaxKind[SyntaxKind["PropertyDeclaration"] = 142] = "PropertyDeclaration"; - SyntaxKind[SyntaxKind["MethodSignature"] = 143] = "MethodSignature"; - SyntaxKind[SyntaxKind["MethodDeclaration"] = 144] = "MethodDeclaration"; - SyntaxKind[SyntaxKind["Constructor"] = 145] = "Constructor"; - SyntaxKind[SyntaxKind["GetAccessor"] = 146] = "GetAccessor"; - SyntaxKind[SyntaxKind["SetAccessor"] = 147] = "SetAccessor"; - SyntaxKind[SyntaxKind["CallSignature"] = 148] = "CallSignature"; - SyntaxKind[SyntaxKind["ConstructSignature"] = 149] = "ConstructSignature"; - SyntaxKind[SyntaxKind["IndexSignature"] = 150] = "IndexSignature"; - // Type - SyntaxKind[SyntaxKind["TypePredicate"] = 151] = "TypePredicate"; - SyntaxKind[SyntaxKind["TypeReference"] = 152] = "TypeReference"; - SyntaxKind[SyntaxKind["FunctionType"] = 153] = "FunctionType"; - SyntaxKind[SyntaxKind["ConstructorType"] = 154] = "ConstructorType"; - SyntaxKind[SyntaxKind["TypeQuery"] = 155] = "TypeQuery"; - SyntaxKind[SyntaxKind["TypeLiteral"] = 156] = "TypeLiteral"; - SyntaxKind[SyntaxKind["ArrayType"] = 157] = "ArrayType"; - SyntaxKind[SyntaxKind["TupleType"] = 158] = "TupleType"; - SyntaxKind[SyntaxKind["UnionType"] = 159] = "UnionType"; - SyntaxKind[SyntaxKind["IntersectionType"] = 160] = "IntersectionType"; - SyntaxKind[SyntaxKind["ParenthesizedType"] = 161] = "ParenthesizedType"; - SyntaxKind[SyntaxKind["ThisType"] = 162] = "ThisType"; - SyntaxKind[SyntaxKind["StringLiteralType"] = 163] = "StringLiteralType"; - // Binding patterns - SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 164] = "ObjectBindingPattern"; - SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 165] = "ArrayBindingPattern"; - SyntaxKind[SyntaxKind["BindingElement"] = 166] = "BindingElement"; - // Expression - SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 167] = "ArrayLiteralExpression"; - SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 168] = "ObjectLiteralExpression"; - SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 169] = "PropertyAccessExpression"; - SyntaxKind[SyntaxKind["ElementAccessExpression"] = 170] = "ElementAccessExpression"; - SyntaxKind[SyntaxKind["CallExpression"] = 171] = "CallExpression"; - SyntaxKind[SyntaxKind["NewExpression"] = 172] = "NewExpression"; - SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 173] = "TaggedTemplateExpression"; - SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 174] = "TypeAssertionExpression"; - SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 175] = "ParenthesizedExpression"; - SyntaxKind[SyntaxKind["FunctionExpression"] = 176] = "FunctionExpression"; - SyntaxKind[SyntaxKind["ArrowFunction"] = 177] = "ArrowFunction"; - SyntaxKind[SyntaxKind["DeleteExpression"] = 178] = "DeleteExpression"; - SyntaxKind[SyntaxKind["TypeOfExpression"] = 179] = "TypeOfExpression"; - SyntaxKind[SyntaxKind["VoidExpression"] = 180] = "VoidExpression"; - SyntaxKind[SyntaxKind["AwaitExpression"] = 181] = "AwaitExpression"; - SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 182] = "PrefixUnaryExpression"; - SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 183] = "PostfixUnaryExpression"; - SyntaxKind[SyntaxKind["BinaryExpression"] = 184] = "BinaryExpression"; - SyntaxKind[SyntaxKind["ConditionalExpression"] = 185] = "ConditionalExpression"; - SyntaxKind[SyntaxKind["TemplateExpression"] = 186] = "TemplateExpression"; - SyntaxKind[SyntaxKind["YieldExpression"] = 187] = "YieldExpression"; - SyntaxKind[SyntaxKind["SpreadElementExpression"] = 188] = "SpreadElementExpression"; - SyntaxKind[SyntaxKind["ClassExpression"] = 189] = "ClassExpression"; - SyntaxKind[SyntaxKind["OmittedExpression"] = 190] = "OmittedExpression"; - SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 191] = "ExpressionWithTypeArguments"; - SyntaxKind[SyntaxKind["AsExpression"] = 192] = "AsExpression"; - // Misc - SyntaxKind[SyntaxKind["TemplateSpan"] = 193] = "TemplateSpan"; - SyntaxKind[SyntaxKind["SemicolonClassElement"] = 194] = "SemicolonClassElement"; - // Element - SyntaxKind[SyntaxKind["Block"] = 195] = "Block"; - SyntaxKind[SyntaxKind["VariableStatement"] = 196] = "VariableStatement"; - SyntaxKind[SyntaxKind["EmptyStatement"] = 197] = "EmptyStatement"; - SyntaxKind[SyntaxKind["ExpressionStatement"] = 198] = "ExpressionStatement"; - SyntaxKind[SyntaxKind["IfStatement"] = 199] = "IfStatement"; - SyntaxKind[SyntaxKind["DoStatement"] = 200] = "DoStatement"; - SyntaxKind[SyntaxKind["WhileStatement"] = 201] = "WhileStatement"; - SyntaxKind[SyntaxKind["ForStatement"] = 202] = "ForStatement"; - SyntaxKind[SyntaxKind["ForInStatement"] = 203] = "ForInStatement"; - SyntaxKind[SyntaxKind["ForOfStatement"] = 204] = "ForOfStatement"; - SyntaxKind[SyntaxKind["ContinueStatement"] = 205] = "ContinueStatement"; - SyntaxKind[SyntaxKind["BreakStatement"] = 206] = "BreakStatement"; - SyntaxKind[SyntaxKind["ReturnStatement"] = 207] = "ReturnStatement"; - SyntaxKind[SyntaxKind["WithStatement"] = 208] = "WithStatement"; - SyntaxKind[SyntaxKind["SwitchStatement"] = 209] = "SwitchStatement"; - SyntaxKind[SyntaxKind["LabeledStatement"] = 210] = "LabeledStatement"; - SyntaxKind[SyntaxKind["ThrowStatement"] = 211] = "ThrowStatement"; - SyntaxKind[SyntaxKind["TryStatement"] = 212] = "TryStatement"; - SyntaxKind[SyntaxKind["DebuggerStatement"] = 213] = "DebuggerStatement"; - SyntaxKind[SyntaxKind["VariableDeclaration"] = 214] = "VariableDeclaration"; - SyntaxKind[SyntaxKind["VariableDeclarationList"] = 215] = "VariableDeclarationList"; - SyntaxKind[SyntaxKind["FunctionDeclaration"] = 216] = "FunctionDeclaration"; - SyntaxKind[SyntaxKind["ClassDeclaration"] = 217] = "ClassDeclaration"; - SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 218] = "InterfaceDeclaration"; - SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 219] = "TypeAliasDeclaration"; - SyntaxKind[SyntaxKind["EnumDeclaration"] = 220] = "EnumDeclaration"; - SyntaxKind[SyntaxKind["ModuleDeclaration"] = 221] = "ModuleDeclaration"; - SyntaxKind[SyntaxKind["ModuleBlock"] = 222] = "ModuleBlock"; - SyntaxKind[SyntaxKind["CaseBlock"] = 223] = "CaseBlock"; - SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 224] = "ImportEqualsDeclaration"; - SyntaxKind[SyntaxKind["ImportDeclaration"] = 225] = "ImportDeclaration"; - SyntaxKind[SyntaxKind["ImportClause"] = 226] = "ImportClause"; - SyntaxKind[SyntaxKind["NamespaceImport"] = 227] = "NamespaceImport"; - SyntaxKind[SyntaxKind["NamedImports"] = 228] = "NamedImports"; - SyntaxKind[SyntaxKind["ImportSpecifier"] = 229] = "ImportSpecifier"; - SyntaxKind[SyntaxKind["ExportAssignment"] = 230] = "ExportAssignment"; - SyntaxKind[SyntaxKind["ExportDeclaration"] = 231] = "ExportDeclaration"; - SyntaxKind[SyntaxKind["NamedExports"] = 232] = "NamedExports"; - SyntaxKind[SyntaxKind["ExportSpecifier"] = 233] = "ExportSpecifier"; - SyntaxKind[SyntaxKind["MissingDeclaration"] = 234] = "MissingDeclaration"; - // Module references - SyntaxKind[SyntaxKind["ExternalModuleReference"] = 235] = "ExternalModuleReference"; - // JSX - SyntaxKind[SyntaxKind["JsxElement"] = 236] = "JsxElement"; - SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 237] = "JsxSelfClosingElement"; - SyntaxKind[SyntaxKind["JsxOpeningElement"] = 238] = "JsxOpeningElement"; - SyntaxKind[SyntaxKind["JsxText"] = 239] = "JsxText"; - SyntaxKind[SyntaxKind["JsxClosingElement"] = 240] = "JsxClosingElement"; - SyntaxKind[SyntaxKind["JsxAttribute"] = 241] = "JsxAttribute"; - SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 242] = "JsxSpreadAttribute"; - SyntaxKind[SyntaxKind["JsxExpression"] = 243] = "JsxExpression"; - // Clauses - SyntaxKind[SyntaxKind["CaseClause"] = 244] = "CaseClause"; - SyntaxKind[SyntaxKind["DefaultClause"] = 245] = "DefaultClause"; - SyntaxKind[SyntaxKind["HeritageClause"] = 246] = "HeritageClause"; - SyntaxKind[SyntaxKind["CatchClause"] = 247] = "CatchClause"; - // Property assignments - SyntaxKind[SyntaxKind["PropertyAssignment"] = 248] = "PropertyAssignment"; - SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 249] = "ShorthandPropertyAssignment"; - // Enum - SyntaxKind[SyntaxKind["EnumMember"] = 250] = "EnumMember"; - // Top-level nodes - SyntaxKind[SyntaxKind["SourceFile"] = 251] = "SourceFile"; - // JSDoc nodes - SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 252] = "JSDocTypeExpression"; - // The * type - SyntaxKind[SyntaxKind["JSDocAllType"] = 253] = "JSDocAllType"; - // The ? type - SyntaxKind[SyntaxKind["JSDocUnknownType"] = 254] = "JSDocUnknownType"; - SyntaxKind[SyntaxKind["JSDocArrayType"] = 255] = "JSDocArrayType"; - SyntaxKind[SyntaxKind["JSDocUnionType"] = 256] = "JSDocUnionType"; - SyntaxKind[SyntaxKind["JSDocTupleType"] = 257] = "JSDocTupleType"; - SyntaxKind[SyntaxKind["JSDocNullableType"] = 258] = "JSDocNullableType"; - SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 259] = "JSDocNonNullableType"; - SyntaxKind[SyntaxKind["JSDocRecordType"] = 260] = "JSDocRecordType"; - SyntaxKind[SyntaxKind["JSDocRecordMember"] = 261] = "JSDocRecordMember"; - SyntaxKind[SyntaxKind["JSDocTypeReference"] = 262] = "JSDocTypeReference"; - SyntaxKind[SyntaxKind["JSDocOptionalType"] = 263] = "JSDocOptionalType"; - SyntaxKind[SyntaxKind["JSDocFunctionType"] = 264] = "JSDocFunctionType"; - SyntaxKind[SyntaxKind["JSDocVariadicType"] = 265] = "JSDocVariadicType"; - SyntaxKind[SyntaxKind["JSDocConstructorType"] = 266] = "JSDocConstructorType"; - SyntaxKind[SyntaxKind["JSDocThisType"] = 267] = "JSDocThisType"; - SyntaxKind[SyntaxKind["JSDocComment"] = 268] = "JSDocComment"; - SyntaxKind[SyntaxKind["JSDocTag"] = 269] = "JSDocTag"; - SyntaxKind[SyntaxKind["JSDocParameterTag"] = 270] = "JSDocParameterTag"; - SyntaxKind[SyntaxKind["JSDocReturnTag"] = 271] = "JSDocReturnTag"; - SyntaxKind[SyntaxKind["JSDocTypeTag"] = 272] = "JSDocTypeTag"; - SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 273] = "JSDocTemplateTag"; - // Synthesized list - SyntaxKind[SyntaxKind["SyntaxList"] = 274] = "SyntaxList"; - // Enum value count - SyntaxKind[SyntaxKind["Count"] = 275] = "Count"; - // Markers - SyntaxKind[SyntaxKind["FirstAssignment"] = 56] = "FirstAssignment"; - SyntaxKind[SyntaxKind["LastAssignment"] = 68] = "LastAssignment"; - SyntaxKind[SyntaxKind["FirstReservedWord"] = 70] = "FirstReservedWord"; - SyntaxKind[SyntaxKind["LastReservedWord"] = 105] = "LastReservedWord"; - SyntaxKind[SyntaxKind["FirstKeyword"] = 70] = "FirstKeyword"; - SyntaxKind[SyntaxKind["LastKeyword"] = 135] = "LastKeyword"; - SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 106] = "FirstFutureReservedWord"; - SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 114] = "LastFutureReservedWord"; - SyntaxKind[SyntaxKind["FirstTypeNode"] = 151] = "FirstTypeNode"; - SyntaxKind[SyntaxKind["LastTypeNode"] = 163] = "LastTypeNode"; - SyntaxKind[SyntaxKind["FirstPunctuation"] = 15] = "FirstPunctuation"; - SyntaxKind[SyntaxKind["LastPunctuation"] = 68] = "LastPunctuation"; - SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; - SyntaxKind[SyntaxKind["LastToken"] = 135] = "LastToken"; - SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; - SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; - SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; - SyntaxKind[SyntaxKind["LastLiteralToken"] = 11] = "LastLiteralToken"; - SyntaxKind[SyntaxKind["FirstTemplateToken"] = 11] = "FirstTemplateToken"; - SyntaxKind[SyntaxKind["LastTemplateToken"] = 14] = "LastTemplateToken"; - SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 25] = "FirstBinaryOperator"; - SyntaxKind[SyntaxKind["LastBinaryOperator"] = 68] = "LastBinaryOperator"; - SyntaxKind[SyntaxKind["FirstNode"] = 136] = "FirstNode"; - })(ts.SyntaxKind || (ts.SyntaxKind = {})); - var SyntaxKind = ts.SyntaxKind; - (function (NodeFlags) { - NodeFlags[NodeFlags["None"] = 0] = "None"; - NodeFlags[NodeFlags["Export"] = 2] = "Export"; - NodeFlags[NodeFlags["Ambient"] = 4] = "Ambient"; - NodeFlags[NodeFlags["Public"] = 8] = "Public"; - NodeFlags[NodeFlags["Private"] = 16] = "Private"; - NodeFlags[NodeFlags["Protected"] = 32] = "Protected"; - NodeFlags[NodeFlags["Static"] = 64] = "Static"; - NodeFlags[NodeFlags["Abstract"] = 128] = "Abstract"; - NodeFlags[NodeFlags["Async"] = 256] = "Async"; - NodeFlags[NodeFlags["Default"] = 512] = "Default"; - NodeFlags[NodeFlags["MultiLine"] = 1024] = "MultiLine"; - NodeFlags[NodeFlags["Synthetic"] = 2048] = "Synthetic"; - NodeFlags[NodeFlags["DeclarationFile"] = 4096] = "DeclarationFile"; - NodeFlags[NodeFlags["Let"] = 8192] = "Let"; - NodeFlags[NodeFlags["Const"] = 16384] = "Const"; - NodeFlags[NodeFlags["OctalLiteral"] = 32768] = "OctalLiteral"; - NodeFlags[NodeFlags["Namespace"] = 65536] = "Namespace"; - NodeFlags[NodeFlags["ExportContext"] = 131072] = "ExportContext"; - NodeFlags[NodeFlags["ContainsThis"] = 262144] = "ContainsThis"; - NodeFlags[NodeFlags["HasImplicitReturn"] = 524288] = "HasImplicitReturn"; - NodeFlags[NodeFlags["HasExplicitReturn"] = 1048576] = "HasExplicitReturn"; - NodeFlags[NodeFlags["GlobalAugmentation"] = 2097152] = "GlobalAugmentation"; - NodeFlags[NodeFlags["HasClassExtends"] = 4194304] = "HasClassExtends"; - NodeFlags[NodeFlags["HasDecorators"] = 8388608] = "HasDecorators"; - NodeFlags[NodeFlags["HasParamDecorators"] = 16777216] = "HasParamDecorators"; - NodeFlags[NodeFlags["HasAsyncFunctions"] = 33554432] = "HasAsyncFunctions"; - NodeFlags[NodeFlags["Modifier"] = 1022] = "Modifier"; - NodeFlags[NodeFlags["AccessibilityModifier"] = 56] = "AccessibilityModifier"; - NodeFlags[NodeFlags["BlockScoped"] = 24576] = "BlockScoped"; - NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 1572864] = "ReachabilityCheckFlags"; - NodeFlags[NodeFlags["EmitHelperFlags"] = 62914560] = "EmitHelperFlags"; - })(ts.NodeFlags || (ts.NodeFlags = {})); - var NodeFlags = ts.NodeFlags; - /* @internal */ - (function (ParserContextFlags) { - ParserContextFlags[ParserContextFlags["None"] = 0] = "None"; - // If this node was parsed in a context where 'in-expressions' are not allowed. - ParserContextFlags[ParserContextFlags["DisallowIn"] = 1] = "DisallowIn"; - // If this node was parsed in the 'yield' context created when parsing a generator. - ParserContextFlags[ParserContextFlags["Yield"] = 2] = "Yield"; - // If this node was parsed as part of a decorator - ParserContextFlags[ParserContextFlags["Decorator"] = 4] = "Decorator"; - // If this node was parsed in the 'await' context created when parsing an async function. - ParserContextFlags[ParserContextFlags["Await"] = 8] = "Await"; - // If the parser encountered an error when parsing the code that created this node. Note - // the parser only sets this directly on the node it creates right after encountering the - // error. - ParserContextFlags[ParserContextFlags["ThisNodeHasError"] = 16] = "ThisNodeHasError"; - // This node was parsed in a JavaScript file and can be processed differently. For example - // its type can be specified usign a JSDoc comment. - ParserContextFlags[ParserContextFlags["JavaScriptFile"] = 32] = "JavaScriptFile"; - // Context flags set directly by the parser. - ParserContextFlags[ParserContextFlags["ParserGeneratedFlags"] = 31] = "ParserGeneratedFlags"; - // Exclude these flags when parsing a Type - ParserContextFlags[ParserContextFlags["TypeExcludesFlags"] = 10] = "TypeExcludesFlags"; - // Context flags computed by aggregating child flags upwards. - // Used during incremental parsing to determine if this node or any of its children had an - // error. Computed only once and then cached. - ParserContextFlags[ParserContextFlags["ThisNodeOrAnySubNodesHasError"] = 64] = "ThisNodeOrAnySubNodesHasError"; - // Used to know if we've computed data from children and cached it in this node. - ParserContextFlags[ParserContextFlags["HasAggregatedChildData"] = 128] = "HasAggregatedChildData"; - })(ts.ParserContextFlags || (ts.ParserContextFlags = {})); - var ParserContextFlags = ts.ParserContextFlags; - (function (JsxFlags) { - JsxFlags[JsxFlags["None"] = 0] = "None"; - /** An element from a named property of the JSX.IntrinsicElements interface */ - JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; - /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ - JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; - /** An element backed by a class, class-like, or function value */ - JsxFlags[JsxFlags["ValueElement"] = 4] = "ValueElement"; - /** Element resolution failed */ - JsxFlags[JsxFlags["UnknownElement"] = 16] = "UnknownElement"; - JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; - })(ts.JsxFlags || (ts.JsxFlags = {})); - var JsxFlags = ts.JsxFlags; - /* @internal */ - (function (RelationComparisonResult) { - RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; - RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; - RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; - })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); - var RelationComparisonResult = ts.RelationComparisonResult; - var OperationCanceledException = (function () { - function OperationCanceledException() { - } - return OperationCanceledException; - }()); - ts.OperationCanceledException = OperationCanceledException; - /** Return code used by getEmitOutput function to indicate status of the function */ - (function (ExitStatus) { - // Compiler ran successfully. Either this was a simple do-nothing compilation (for example, - // when -version or -help was provided, or this was a normal compilation, no diagnostics - // were produced, and all outputs were generated successfully. - ExitStatus[ExitStatus["Success"] = 0] = "Success"; - // Diagnostics were produced and because of them no code was generated. - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; - // Diagnostics were produced and outputs were generated in spite of them. - ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; - })(ts.ExitStatus || (ts.ExitStatus = {})); - var ExitStatus = ts.ExitStatus; - (function (TypeFormatFlags) { - TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; - TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; - TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; - TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; - TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; - TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; - TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; - TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; - TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; - })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); - var TypeFormatFlags = ts.TypeFormatFlags; - (function (SymbolFormatFlags) { - SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; - // Write symbols's type argument if it is instantiated symbol - // eg. class C { p: T } <-- Show p as C.p here - // var a: C; - // var p = a.p; <--- Here p is property of C so show it as C.p instead of just C.p - SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; - // Use only external alias information to get the symbol name in the given context - // eg. module m { export class c { } } import x = m.c; - // When this flag is specified m.c will be used to refer to the class instead of alias symbol x - SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; - })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); - var SymbolFormatFlags = ts.SymbolFormatFlags; - /* @internal */ - (function (SymbolAccessibility) { - SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; - SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; - SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; - })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); - var SymbolAccessibility = ts.SymbolAccessibility; - (function (TypePredicateKind) { - TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; - TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; - })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); - var TypePredicateKind = ts.TypePredicateKind; - /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator - * metadata */ - /* @internal */ - (function (TypeReferenceSerializationKind) { - TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; - // should be emitted using a safe fallback. - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; - // function that can be reached at runtime (e.g. a `class` - // declaration or a `var` declaration for the static side - // of a type, such as the global `Promise` type in lib.d.ts). - TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; - TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; - // with call signatures. - TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; - })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); - var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; - (function (SymbolFlags) { - SymbolFlags[SymbolFlags["None"] = 0] = "None"; - SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; - SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; - SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; - SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; - SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; - SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; - SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; - SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; - SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; - SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; - SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; - SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; - SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; - SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; - SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; - SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; - SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; - SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; - SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; - SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; - SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; - SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; - SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; - SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; - SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; - SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; - SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; - SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; - SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; - SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; - SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; - SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; - SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; - SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; - SymbolFlags[SymbolFlags["Type"] = 793056] = "Type"; - SymbolFlags[SymbolFlags["Namespace"] = 1536] = "Namespace"; - SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; - SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; - // Variables can be redeclared, but can not redeclare a block-scoped declaration with the - // same name, or any other value that is not a variable, e.g. ValueModule or Class - SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; - // Block-scoped declarations are not allowed to be re-declared - // they can not merge with anything in the value space - SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; - SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; - SymbolFlags[SymbolFlags["PropertyExcludes"] = 107455] = "PropertyExcludes"; - SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 107455] = "EnumMemberExcludes"; - SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; - SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; - SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792960] = "InterfaceExcludes"; - SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; - SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; - SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; - SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; - SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; - SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; - SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; - SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530912] = "TypeParameterExcludes"; - SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793056] = "TypeAliasExcludes"; - SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; - SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; - SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; - SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; - SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; - SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; - SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; - SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; - /* @internal */ - // The set of things we consider semantically classifiable. Used to speed up the LS during - // classification. - SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; - })(ts.SymbolFlags || (ts.SymbolFlags = {})); - var SymbolFlags = ts.SymbolFlags; - /* @internal */ - (function (NodeCheckFlags) { - NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; - NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; - NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; - NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; - NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; - NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; - NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; - NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; - // Values for enum members have been computed, and any errors have been reported for them. - NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; - NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; - NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; - NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; - NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; - NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; - })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); - var NodeCheckFlags = ts.NodeCheckFlags; - (function (TypeFlags) { - TypeFlags[TypeFlags["Any"] = 1] = "Any"; - TypeFlags[TypeFlags["String"] = 2] = "String"; - TypeFlags[TypeFlags["Number"] = 4] = "Number"; - TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; - TypeFlags[TypeFlags["Void"] = 16] = "Void"; - TypeFlags[TypeFlags["Undefined"] = 32] = "Undefined"; - TypeFlags[TypeFlags["Null"] = 64] = "Null"; - TypeFlags[TypeFlags["Enum"] = 128] = "Enum"; - TypeFlags[TypeFlags["StringLiteral"] = 256] = "StringLiteral"; - TypeFlags[TypeFlags["TypeParameter"] = 512] = "TypeParameter"; - TypeFlags[TypeFlags["Class"] = 1024] = "Class"; - TypeFlags[TypeFlags["Interface"] = 2048] = "Interface"; - TypeFlags[TypeFlags["Reference"] = 4096] = "Reference"; - TypeFlags[TypeFlags["Tuple"] = 8192] = "Tuple"; - TypeFlags[TypeFlags["Union"] = 16384] = "Union"; - TypeFlags[TypeFlags["Intersection"] = 32768] = "Intersection"; - TypeFlags[TypeFlags["Anonymous"] = 65536] = "Anonymous"; - TypeFlags[TypeFlags["Instantiated"] = 131072] = "Instantiated"; - /* @internal */ - TypeFlags[TypeFlags["FromSignature"] = 262144] = "FromSignature"; - TypeFlags[TypeFlags["ObjectLiteral"] = 524288] = "ObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["FreshObjectLiteral"] = 1048576] = "FreshObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsUndefinedOrNull"] = 2097152] = "ContainsUndefinedOrNull"; - /* @internal */ - TypeFlags[TypeFlags["ContainsObjectLiteral"] = 4194304] = "ContainsObjectLiteral"; - /* @internal */ - TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 8388608] = "ContainsAnyFunctionType"; - TypeFlags[TypeFlags["ESSymbol"] = 16777216] = "ESSymbol"; - TypeFlags[TypeFlags["ThisType"] = 33554432] = "ThisType"; - TypeFlags[TypeFlags["ObjectLiteralPatternWithComputedProperties"] = 67108864] = "ObjectLiteralPatternWithComputedProperties"; - /* @internal */ - TypeFlags[TypeFlags["Intrinsic"] = 16777343] = "Intrinsic"; - /* @internal */ - TypeFlags[TypeFlags["Primitive"] = 16777726] = "Primitive"; - TypeFlags[TypeFlags["StringLike"] = 258] = "StringLike"; - TypeFlags[TypeFlags["NumberLike"] = 132] = "NumberLike"; - TypeFlags[TypeFlags["ObjectType"] = 80896] = "ObjectType"; - TypeFlags[TypeFlags["UnionOrIntersection"] = 49152] = "UnionOrIntersection"; - TypeFlags[TypeFlags["StructuredType"] = 130048] = "StructuredType"; - /* @internal */ - TypeFlags[TypeFlags["RequiresWidening"] = 6291456] = "RequiresWidening"; - /* @internal */ - TypeFlags[TypeFlags["PropagatingFlags"] = 14680064] = "PropagatingFlags"; - })(ts.TypeFlags || (ts.TypeFlags = {})); - var TypeFlags = ts.TypeFlags; - (function (SignatureKind) { - SignatureKind[SignatureKind["Call"] = 0] = "Call"; - SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; - })(ts.SignatureKind || (ts.SignatureKind = {})); - var SignatureKind = ts.SignatureKind; - (function (IndexKind) { - IndexKind[IndexKind["String"] = 0] = "String"; - IndexKind[IndexKind["Number"] = 1] = "Number"; - })(ts.IndexKind || (ts.IndexKind = {})); - var IndexKind = ts.IndexKind; - /* @internal */ - (function (SpecialPropertyAssignmentKind) { - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; - /// exports.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; - /// module.exports = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; - /// className.prototype.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; - /// this.name = expr - SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; - })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); - var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; - (function (DiagnosticCategory) { - DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; - DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; - DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; - })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); - var DiagnosticCategory = ts.DiagnosticCategory; - (function (ModuleResolutionKind) { - ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic"; - ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs"; - })(ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {})); - var ModuleResolutionKind = ts.ModuleResolutionKind; - (function (ModuleKind) { - ModuleKind[ModuleKind["None"] = 0] = "None"; - ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS"; - ModuleKind[ModuleKind["AMD"] = 2] = "AMD"; - ModuleKind[ModuleKind["UMD"] = 3] = "UMD"; - ModuleKind[ModuleKind["System"] = 4] = "System"; - ModuleKind[ModuleKind["ES6"] = 5] = "ES6"; - ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; - })(ts.ModuleKind || (ts.ModuleKind = {})); - var ModuleKind = ts.ModuleKind; - (function (JsxEmit) { - JsxEmit[JsxEmit["None"] = 0] = "None"; - JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; - JsxEmit[JsxEmit["React"] = 2] = "React"; - })(ts.JsxEmit || (ts.JsxEmit = {})); - var JsxEmit = ts.JsxEmit; - (function (NewLineKind) { - NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; - NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; - })(ts.NewLineKind || (ts.NewLineKind = {})); - var NewLineKind = ts.NewLineKind; - (function (ScriptTarget) { - ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; - ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; - ScriptTarget[ScriptTarget["ES6"] = 2] = "ES6"; - ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; - ScriptTarget[ScriptTarget["Latest"] = 2] = "Latest"; - })(ts.ScriptTarget || (ts.ScriptTarget = {})); - var ScriptTarget = ts.ScriptTarget; - (function (LanguageVariant) { - LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; - LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; - })(ts.LanguageVariant || (ts.LanguageVariant = {})); - var LanguageVariant = ts.LanguageVariant; - /* @internal */ - (function (DiagnosticStyle) { - DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; - DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; - })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); - var DiagnosticStyle = ts.DiagnosticStyle; - /* @internal */ - (function (CharacterCodes) { - CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; - CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; - CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; - CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; - CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; - CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; - CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; - // Unicode 3.0 space characters - CharacterCodes[CharacterCodes["space"] = 32] = "space"; - CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; - CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; - CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; - CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; - CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; - CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; - CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; - CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; - CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; - CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; - CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; - CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; - CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; - CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; - CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; - CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; - CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; - CharacterCodes[CharacterCodes["_"] = 95] = "_"; - CharacterCodes[CharacterCodes["$"] = 36] = "$"; - CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; - CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; - CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; - CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; - CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; - CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; - CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; - CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; - CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; - CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; - CharacterCodes[CharacterCodes["a"] = 97] = "a"; - CharacterCodes[CharacterCodes["b"] = 98] = "b"; - CharacterCodes[CharacterCodes["c"] = 99] = "c"; - CharacterCodes[CharacterCodes["d"] = 100] = "d"; - CharacterCodes[CharacterCodes["e"] = 101] = "e"; - CharacterCodes[CharacterCodes["f"] = 102] = "f"; - CharacterCodes[CharacterCodes["g"] = 103] = "g"; - CharacterCodes[CharacterCodes["h"] = 104] = "h"; - CharacterCodes[CharacterCodes["i"] = 105] = "i"; - CharacterCodes[CharacterCodes["j"] = 106] = "j"; - CharacterCodes[CharacterCodes["k"] = 107] = "k"; - CharacterCodes[CharacterCodes["l"] = 108] = "l"; - CharacterCodes[CharacterCodes["m"] = 109] = "m"; - CharacterCodes[CharacterCodes["n"] = 110] = "n"; - CharacterCodes[CharacterCodes["o"] = 111] = "o"; - CharacterCodes[CharacterCodes["p"] = 112] = "p"; - CharacterCodes[CharacterCodes["q"] = 113] = "q"; - CharacterCodes[CharacterCodes["r"] = 114] = "r"; - CharacterCodes[CharacterCodes["s"] = 115] = "s"; - CharacterCodes[CharacterCodes["t"] = 116] = "t"; - CharacterCodes[CharacterCodes["u"] = 117] = "u"; - CharacterCodes[CharacterCodes["v"] = 118] = "v"; - CharacterCodes[CharacterCodes["w"] = 119] = "w"; - CharacterCodes[CharacterCodes["x"] = 120] = "x"; - CharacterCodes[CharacterCodes["y"] = 121] = "y"; - CharacterCodes[CharacterCodes["z"] = 122] = "z"; - CharacterCodes[CharacterCodes["A"] = 65] = "A"; - CharacterCodes[CharacterCodes["B"] = 66] = "B"; - CharacterCodes[CharacterCodes["C"] = 67] = "C"; - CharacterCodes[CharacterCodes["D"] = 68] = "D"; - CharacterCodes[CharacterCodes["E"] = 69] = "E"; - CharacterCodes[CharacterCodes["F"] = 70] = "F"; - CharacterCodes[CharacterCodes["G"] = 71] = "G"; - CharacterCodes[CharacterCodes["H"] = 72] = "H"; - CharacterCodes[CharacterCodes["I"] = 73] = "I"; - CharacterCodes[CharacterCodes["J"] = 74] = "J"; - CharacterCodes[CharacterCodes["K"] = 75] = "K"; - CharacterCodes[CharacterCodes["L"] = 76] = "L"; - CharacterCodes[CharacterCodes["M"] = 77] = "M"; - CharacterCodes[CharacterCodes["N"] = 78] = "N"; - CharacterCodes[CharacterCodes["O"] = 79] = "O"; - CharacterCodes[CharacterCodes["P"] = 80] = "P"; - CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; - CharacterCodes[CharacterCodes["R"] = 82] = "R"; - CharacterCodes[CharacterCodes["S"] = 83] = "S"; - CharacterCodes[CharacterCodes["T"] = 84] = "T"; - CharacterCodes[CharacterCodes["U"] = 85] = "U"; - CharacterCodes[CharacterCodes["V"] = 86] = "V"; - CharacterCodes[CharacterCodes["W"] = 87] = "W"; - CharacterCodes[CharacterCodes["X"] = 88] = "X"; - CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; - CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; - CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; - CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; - CharacterCodes[CharacterCodes["at"] = 64] = "at"; - CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; - CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; - CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; - CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; - CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; - CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; - CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; - CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; - CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; - CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; - CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; - CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; - CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; - CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; - CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; - CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; - CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; - CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; - CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; - CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; - CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; - CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; - CharacterCodes[CharacterCodes["question"] = 63] = "question"; - CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; - CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; - CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; - CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; - CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; - CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; - CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; - CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; - CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; - })(ts.CharacterCodes || (ts.CharacterCodes = {})); - var CharacterCodes = ts.CharacterCodes; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - /** - * Ternary values are defined such that - * x & y is False if either x or y is False. - * x & y is Maybe if either x or y is Maybe, but neither x or y is False. - * x & y is True if both x and y are True. - * x | y is False if both x and y are False. - * x | y is Maybe if either x or y is Maybe, but neither x or y is True. - * x | y is True if either x or y is True. - */ - (function (Ternary) { - Ternary[Ternary["False"] = 0] = "False"; - Ternary[Ternary["Maybe"] = 1] = "Maybe"; - Ternary[Ternary["True"] = -1] = "True"; - })(ts.Ternary || (ts.Ternary = {})); - var Ternary = ts.Ternary; - function createFileMap(keyMapper) { - var files = {}; - return { - get: get, - set: set, - contains: contains, - remove: remove, - forEachValue: forEachValueInMap, - clear: clear - }; - function forEachValueInMap(f) { - for (var key in files) { - f(key, files[key]); - } - } - // path should already be well-formed so it does not need to be normalized - function get(path) { - return files[toKey(path)]; - } - function set(path, value) { - files[toKey(path)] = value; - } - function contains(path) { - return hasProperty(files, toKey(path)); - } - function remove(path) { - var key = toKey(path); - delete files[key]; - } - function clear() { - files = {}; - } - function toKey(path) { - return keyMapper ? keyMapper(path) : path; - } - } - ts.createFileMap = createFileMap; - function toPath(fileName, basePath, getCanonicalFileName) { - var nonCanonicalizedPath = isRootedDiskPath(fileName) - ? normalizePath(fileName) - : getNormalizedAbsolutePath(fileName, basePath); - return getCanonicalFileName(nonCanonicalizedPath); - } - ts.toPath = toPath; - (function (Comparison) { - Comparison[Comparison["LessThan"] = -1] = "LessThan"; - Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; - Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; - })(ts.Comparison || (ts.Comparison = {})); - var Comparison = ts.Comparison; - /** - * Iterates through 'array' by index and performs the callback on each element of array until the callback - * returns a truthy value, then returns that value. - * If no such value is found, the callback is applied to each element of array and undefined is returned. - */ - function forEach(array, callback) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - var result = callback(array[i], i); - if (result) { - return result; - } - } - } - return undefined; - } - ts.forEach = forEach; - function contains(array, value) { - if (array) { - for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { - var v = array_1[_i]; - if (v === value) { - return true; - } - } - } - return false; - } - ts.contains = contains; - function indexOf(array, value) { - if (array) { - for (var i = 0, len = array.length; i < len; i++) { - if (array[i] === value) { - return i; - } - } - } - return -1; - } - ts.indexOf = indexOf; - function countWhere(array, predicate) { - var count = 0; - if (array) { - for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { - var v = array_2[_i]; - if (predicate(v)) { - count++; - } - } - } - return count; - } - ts.countWhere = countWhere; - function filter(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { - var item = array_3[_i]; - if (f(item)) { - result.push(item); - } - } - } - return result; - } - ts.filter = filter; - function map(array, f) { - var result; - if (array) { - result = []; - for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { - var v = array_4[_i]; - result.push(f(v)); - } - } - return result; - } - ts.map = map; - function concatenate(array1, array2) { - if (!array2 || !array2.length) - return array1; - if (!array1 || !array1.length) - return array2; - return array1.concat(array2); - } - ts.concatenate = concatenate; - function deduplicate(array) { - var result; - if (array) { - result = []; - for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { - var item = array_5[_i]; - if (!contains(result, item)) { - result.push(item); - } - } - } - return result; - } - ts.deduplicate = deduplicate; - function sum(array, prop) { - var result = 0; - for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { - var v = array_6[_i]; - result += v[prop]; - } - return result; - } - ts.sum = sum; - function addRange(to, from) { - if (to && from) { - for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { - var v = from_1[_i]; - to.push(v); - } - } - } - ts.addRange = addRange; - function rangeEquals(array1, array2, pos, end) { - while (pos < end) { - if (array1[pos] !== array2[pos]) { - return false; - } - pos++; - } - return true; - } - ts.rangeEquals = rangeEquals; - /** - * Returns the last element of an array if non-empty, undefined otherwise. - */ - function lastOrUndefined(array) { - if (array.length === 0) { - return undefined; - } - return array[array.length - 1]; - } - ts.lastOrUndefined = lastOrUndefined; - /** - * Performs a binary search, finding the index at which 'value' occurs in 'array'. - * If no such index is found, returns the 2's-complement of first index at which - * number[index] exceeds number. - * @param array A sorted array whose first element must be no larger than number - * @param number The value to be searched for in the array. - */ - function binarySearch(array, value) { - var low = 0; - var high = array.length - 1; - while (low <= high) { - var middle = low + ((high - low) >> 1); - var midValue = array[middle]; - if (midValue === value) { - return middle; - } - else if (midValue > value) { - high = middle - 1; - } - else { - low = middle + 1; - } - } - return ~low; - } - ts.binarySearch = binarySearch; - function reduceLeft(array, f, initial) { - if (array) { - var count = array.length; - if (count > 0) { - var pos = 0; - var result = arguments.length <= 2 ? array[pos] : initial; - pos++; - while (pos < count) { - result = f(result, array[pos]); - pos++; - } - return result; - } - } - return initial; - } - ts.reduceLeft = reduceLeft; - function reduceRight(array, f, initial) { - if (array) { - var pos = array.length - 1; - if (pos >= 0) { - var result = arguments.length <= 2 ? array[pos] : initial; - pos--; - while (pos >= 0) { - result = f(result, array[pos]); - pos--; - } - return result; - } - } - return initial; - } - ts.reduceRight = reduceRight; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function hasProperty(map, key) { - return hasOwnProperty.call(map, key); - } - ts.hasProperty = hasProperty; - function getProperty(map, key) { - return hasOwnProperty.call(map, key) ? map[key] : undefined; - } - ts.getProperty = getProperty; - function isEmpty(map) { - for (var id in map) { - if (hasProperty(map, id)) { - return false; - } - } - return true; - } - ts.isEmpty = isEmpty; - function clone(object) { - var result = {}; - for (var id in object) { - result[id] = object[id]; - } - return result; - } - ts.clone = clone; - function extend(first, second) { - var result = {}; - for (var id in first) { - result[id] = first[id]; - } - for (var id in second) { - if (!hasProperty(result, id)) { - result[id] = second[id]; - } - } - return result; - } - ts.extend = extend; - function forEachValue(map, callback) { - var result; - for (var id in map) { - if (result = callback(map[id])) - break; - } - return result; - } - ts.forEachValue = forEachValue; - function forEachKey(map, callback) { - var result; - for (var id in map) { - if (result = callback(id)) - break; - } - return result; - } - ts.forEachKey = forEachKey; - function lookUp(map, key) { - return hasProperty(map, key) ? map[key] : undefined; - } - ts.lookUp = lookUp; - function copyMap(source, target) { - for (var p in source) { - target[p] = source[p]; - } - } - ts.copyMap = copyMap; - /** - * Creates a map from the elements of an array. - * - * @param array the array of input elements. - * @param makeKey a function that produces a key for a given element. - * - * This function makes no effort to avoid collisions; if any two elements produce - * the same key with the given 'makeKey' function, then the element with the higher - * index in the array will be the one associated with the produced key. - */ - function arrayToMap(array, makeKey) { - var result = {}; - forEach(array, function (value) { - result[makeKey(value)] = value; - }); - return result; - } - ts.arrayToMap = arrayToMap; - /** - * Reduce the properties of a map. - * - * @param map The map to reduce - * @param callback An aggregation function that is called for each entry in the map - * @param initial The initial value for the reduction. - */ - function reduceProperties(map, callback, initial) { - var result = initial; - if (map) { - for (var key in map) { - if (hasProperty(map, key)) { - result = callback(result, map[key], String(key)); - } - } - } - return result; - } - ts.reduceProperties = reduceProperties; - /** - * Tests whether a value is an array. - */ - function isArray(value) { - return Array.isArray ? Array.isArray(value) : value instanceof Array; - } - ts.isArray = isArray; - function memoize(callback) { - var value; - return function () { - if (callback) { - value = callback(); - callback = undefined; - } - return value; - }; - } - ts.memoize = memoize; - function formatStringFromArgs(text, args, baseIndex) { - baseIndex = baseIndex || 0; - return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); - } - ts.localizedDiagnosticMessages = undefined; - function getLocaleSpecificMessage(message) { - return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] - ? ts.localizedDiagnosticMessages[message.key] - : message.message; - } - ts.getLocaleSpecificMessage = getLocaleSpecificMessage; - function createFileDiagnostic(file, start, length, message) { - var end = start + length; - Debug.assert(start >= 0, "start must be non-negative, is " + start); - Debug.assert(length >= 0, "length must be non-negative, is " + length); - if (file) { - Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); - Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); - } - var text = getLocaleSpecificMessage(message); - if (arguments.length > 4) { - text = formatStringFromArgs(text, arguments, 4); - } - return { - file: file, - start: start, - length: length, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createFileDiagnostic = createFileDiagnostic; - function createCompilerDiagnostic(message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 1) { - text = formatStringFromArgs(text, arguments, 1); - } - return { - file: undefined, - start: undefined, - length: undefined, - messageText: text, - category: message.category, - code: message.code - }; - } - ts.createCompilerDiagnostic = createCompilerDiagnostic; - function chainDiagnosticMessages(details, message) { - var text = getLocaleSpecificMessage(message); - if (arguments.length > 2) { - text = formatStringFromArgs(text, arguments, 2); - } - return { - messageText: text, - category: message.category, - code: message.code, - next: details - }; - } - ts.chainDiagnosticMessages = chainDiagnosticMessages; - function concatenateDiagnosticMessageChains(headChain, tailChain) { - var lastChain = headChain; - while (lastChain.next) { - lastChain = lastChain.next; - } - lastChain.next = tailChain; - return headChain; - } - ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; - function compareValues(a, b) { - if (a === b) - return 0 /* EqualTo */; - if (a === undefined) - return -1 /* LessThan */; - if (b === undefined) - return 1 /* GreaterThan */; - return a < b ? -1 /* LessThan */ : 1 /* GreaterThan */; - } - ts.compareValues = compareValues; - function getDiagnosticFileName(diagnostic) { - return diagnostic.file ? diagnostic.file.fileName : undefined; - } - function compareDiagnostics(d1, d2) { - return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || - compareValues(d1.start, d2.start) || - compareValues(d1.length, d2.length) || - compareValues(d1.code, d2.code) || - compareMessageText(d1.messageText, d2.messageText) || - 0 /* EqualTo */; - } - ts.compareDiagnostics = compareDiagnostics; - function compareMessageText(text1, text2) { - while (text1 && text2) { - // We still have both chains. - var string1 = typeof text1 === "string" ? text1 : text1.messageText; - var string2 = typeof text2 === "string" ? text2 : text2.messageText; - var res = compareValues(string1, string2); - if (res) { - return res; - } - text1 = typeof text1 === "string" ? undefined : text1.next; - text2 = typeof text2 === "string" ? undefined : text2.next; - } - if (!text1 && !text2) { - // if the chains are done, then these messages are the same. - return 0 /* EqualTo */; - } - // We still have one chain remaining. The shorter chain should come first. - return text1 ? 1 /* GreaterThan */ : -1 /* LessThan */; - } - function sortAndDeduplicateDiagnostics(diagnostics) { - return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); - } - ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; - function deduplicateSortedDiagnostics(diagnostics) { - if (diagnostics.length < 2) { - return diagnostics; - } - var newDiagnostics = [diagnostics[0]]; - var previousDiagnostic = diagnostics[0]; - for (var i = 1; i < diagnostics.length; i++) { - var currentDiagnostic = diagnostics[i]; - var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0 /* EqualTo */; - if (!isDupe) { - newDiagnostics.push(currentDiagnostic); - previousDiagnostic = currentDiagnostic; - } - } - return newDiagnostics; - } - ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; - function normalizeSlashes(path) { - return path.replace(/\\/g, "/"); - } - ts.normalizeSlashes = normalizeSlashes; - // Returns length of path root (i.e. length of "/", "x:/", "//server/share/, file:///user/files") - function getRootLength(path) { - if (path.charCodeAt(0) === 47 /* slash */) { - if (path.charCodeAt(1) !== 47 /* slash */) - return 1; - var p1 = path.indexOf("/", 2); - if (p1 < 0) - return 2; - var p2 = path.indexOf("/", p1 + 1); - if (p2 < 0) - return p1 + 1; - return p2 + 1; - } - if (path.charCodeAt(1) === 58 /* colon */) { - if (path.charCodeAt(2) === 47 /* slash */) - return 3; - return 2; - } - // Per RFC 1738 'file' URI schema has the shape file:/// - // if is omitted then it is assumed that host value is 'localhost', - // however slash after the omitted is not removed. - // file:///folder1/file1 - this is a correct URI - // file://folder2/file2 - this is an incorrect URI - if (path.lastIndexOf("file:///", 0) === 0) { - return "file:///".length; - } - var idx = path.indexOf("://"); - if (idx !== -1) { - return idx + "://".length; - } - return 0; - } - ts.getRootLength = getRootLength; - ts.directorySeparator = "/"; - function getNormalizedParts(normalizedSlashedPath, rootLength) { - var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); - var normalized = []; - for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { - var part = parts_1[_i]; - if (part !== ".") { - if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { - normalized.pop(); - } - else { - // A part may be an empty string (which is 'falsy') if the path had consecutive slashes, - // e.g. "path//file.ts". Drop these before re-joining the parts. - if (part) { - normalized.push(part); - } - } - } - } - return normalized; - } - function normalizePath(path) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - var normalized = getNormalizedParts(path, rootLength); - return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); - } - ts.normalizePath = normalizePath; - function getDirectoryPath(path) { - return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); - } - ts.getDirectoryPath = getDirectoryPath; - function isUrl(path) { - return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; - } - ts.isUrl = isUrl; - function isRootedDiskPath(path) { - return getRootLength(path) !== 0; - } - ts.isRootedDiskPath = isRootedDiskPath; - function normalizedPathComponents(path, rootLength) { - var normalizedParts = getNormalizedParts(path, rootLength); - return [path.substr(0, rootLength)].concat(normalizedParts); - } - function getNormalizedPathComponents(path, currentDirectory) { - path = normalizeSlashes(path); - var rootLength = getRootLength(path); - if (rootLength === 0) { - // If the path is not rooted it is relative to current directory - path = combinePaths(normalizeSlashes(currentDirectory), path); - rootLength = getRootLength(path); - } - return normalizedPathComponents(path, rootLength); - } - ts.getNormalizedPathComponents = getNormalizedPathComponents; - function getNormalizedAbsolutePath(fileName, currentDirectory) { - return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); - } - ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; - function getNormalizedPathFromPathComponents(pathComponents) { - if (pathComponents && pathComponents.length) { - return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); - } - } - ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; - function getNormalizedPathComponentsOfUrl(url) { - // Get root length of http://www.website.com/folder1/foler2/ - // In this example the root is: http://www.website.com/ - // normalized path components should be ["http://www.website.com/", "folder1", "folder2"] - var urlLength = url.length; - // Initial root length is http:// part - var rootLength = url.indexOf("://") + "://".length; - while (rootLength < urlLength) { - // Consume all immediate slashes in the protocol - // eg.initial rootlength is just file:// but it needs to consume another "/" in file:/// - if (url.charCodeAt(rootLength) === 47 /* slash */) { - rootLength++; - } - else { - // non slash character means we continue proceeding to next component of root search - break; - } - } - // there are no parts after http:// just return current string as the pathComponent - if (rootLength === urlLength) { - return [url]; - } - // Find the index of "/" after website.com so the root can be http://www.website.com/ (from existing http://) - var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); - if (indexOfNextSlash !== -1) { - // Found the "/" after the website.com so the root is length of http://www.website.com/ - // and get components afetr the root normally like any other folder components - rootLength = indexOfNextSlash + 1; - return normalizedPathComponents(url, rootLength); - } - else { - // Can't find the host assume the rest of the string as component - // but make sure we append "/" to it as root is not joined using "/" - // eg. if url passed in was http://website.com we want to use root as [http://website.com/] - // so that other path manipulations will be correct and it can be merged with relative paths correctly - return [url + ts.directorySeparator]; - } - } - function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { - if (isUrl(pathOrUrl)) { - return getNormalizedPathComponentsOfUrl(pathOrUrl); - } - else { - return getNormalizedPathComponents(pathOrUrl, currentDirectory); - } - } - function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { - var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); - var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); - if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { - // If the directory path given was of type test/cases/ then we really need components of directory to be only till its name - // that is ["test", "cases", ""] needs to be actually ["test", "cases"] - directoryComponents.length--; - } - // Find the component that differs - var joinStartIndex; - for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { - break; - } - } - // Get the relative path - if (joinStartIndex) { - var relativePath = ""; - var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); - for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { - if (directoryComponents[joinStartIndex] !== "") { - relativePath = relativePath + ".." + ts.directorySeparator; - } - } - return relativePath + relativePathComponents.join(ts.directorySeparator); - } - // Cant find the relative path, get the absolute path - var absolutePath = getNormalizedPathFromPathComponents(pathComponents); - if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { - absolutePath = "file:///" + absolutePath; - } - return absolutePath; - } - ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; - function getBaseFileName(path) { - if (path === undefined) { - return undefined; - } - var i = path.lastIndexOf(ts.directorySeparator); - return i < 0 ? path : path.substring(i + 1); - } - ts.getBaseFileName = getBaseFileName; - function combinePaths(path1, path2) { - if (!(path1 && path1.length)) - return path2; - if (!(path2 && path2.length)) - return path1; - if (getRootLength(path2) !== 0) - return path2; - if (path1.charAt(path1.length - 1) === ts.directorySeparator) - return path1 + path2; - return path1 + ts.directorySeparator + path2; - } - ts.combinePaths = combinePaths; - function fileExtensionIs(path, extension) { - var pathLen = path.length; - var extLen = extension.length; - return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; - } - ts.fileExtensionIs = fileExtensionIs; - /** - * List of supported extensions in order of file resolution precedence. - */ - ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; - ts.supportedJavascriptExtensions = [".js", ".jsx"]; - var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); - function getSupportedExtensions(options) { - return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; - } - ts.getSupportedExtensions = getSupportedExtensions; - function isSupportedSourceFileName(fileName, compilerOptions) { - if (!fileName) { - return false; - } - for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { - var extension = _a[_i]; - if (fileExtensionIs(fileName, extension)) { - return true; - } - } - return false; - } - ts.isSupportedSourceFileName = isSupportedSourceFileName; - var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; - function removeFileExtension(path) { - for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { - var ext = extensionsToRemove_1[_i]; - if (fileExtensionIs(path, ext)) { - return path.substr(0, path.length - ext.length); - } - } - return path; - } - ts.removeFileExtension = removeFileExtension; - function Symbol(flags, name) { - this.flags = flags; - this.name = name; - this.declarations = undefined; - } - function Type(checker, flags) { - this.flags = flags; - } - function Signature(checker) { - } - function Node(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0 /* None */; - this.parent = undefined; - } - ts.objectAllocator = { - getNodeConstructor: function () { return Node; }, - getSourceFileConstructor: function () { return Node; }, - getSymbolConstructor: function () { return Symbol; }, - getTypeConstructor: function () { return Type; }, - getSignatureConstructor: function () { return Signature; } - }; - (function (AssertionLevel) { - AssertionLevel[AssertionLevel["None"] = 0] = "None"; - AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; - AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; - AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; - })(ts.AssertionLevel || (ts.AssertionLevel = {})); - var AssertionLevel = ts.AssertionLevel; - var Debug; - (function (Debug) { - var currentAssertionLevel = 0 /* None */; - function shouldAssert(level) { - return currentAssertionLevel >= level; - } - Debug.shouldAssert = shouldAssert; - function assert(expression, message, verboseDebugInfo) { - if (!expression) { - var verboseDebugString = ""; - if (verboseDebugInfo) { - verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); - } - debugger; - throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); - } - } - Debug.assert = assert; - function fail(message) { - Debug.assert(/*expression*/ false, message); - } - Debug.fail = fail; - })(Debug = ts.Debug || (ts.Debug = {})); - function copyListRemovingItem(item, list) { - var copiedList = []; - for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { - var e = list_1[_i]; - if (e !== item) { - copiedList.push(e); - } - } - return copiedList; - } - ts.copyListRemovingItem = copyListRemovingItem; - function createGetCanonicalFileName(useCaseSensitivefileNames) { - return useCaseSensitivefileNames - ? (function (fileName) { return fileName; }) - : (function (fileName) { return fileName.toLowerCase(); }); - } - ts.createGetCanonicalFileName = createGetCanonicalFileName; -})(ts || (ts = {})); -/// -var ts; -(function (ts) { - ts.sys = (function () { - function getWScriptSystem() { - var fso = new ActiveXObject("Scripting.FileSystemObject"); - var fileStream = new ActiveXObject("ADODB.Stream"); - fileStream.Type = 2 /*text*/; - var binaryStream = new ActiveXObject("ADODB.Stream"); - binaryStream.Type = 1 /*binary*/; - var args = []; - for (var i = 0; i < WScript.Arguments.length; i++) { - args[i] = WScript.Arguments.Item(i); - } - function readFile(fileName, encoding) { - if (!fso.FileExists(fileName)) { - return undefined; - } - fileStream.Open(); - try { - if (encoding) { - fileStream.Charset = encoding; - fileStream.LoadFromFile(fileName); - } - else { - // Load file and read the first two bytes into a string with no interpretation - fileStream.Charset = "x-ansi"; - fileStream.LoadFromFile(fileName); - var bom = fileStream.ReadText(2) || ""; - // Position must be at 0 before encoding can be changed - fileStream.Position = 0; - // [0xFF,0xFE] and [0xFE,0xFF] mean utf-16 (little or big endian), otherwise default to utf-8 - fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; - } - // ReadText method always strips byte order mark from resulting string - return fileStream.ReadText(); - } - catch (e) { - throw e; - } - finally { - fileStream.Close(); - } - } - function writeFile(fileName, data, writeByteOrderMark) { - fileStream.Open(); - binaryStream.Open(); - try { - // Write characters in UTF-8 encoding - fileStream.Charset = "utf-8"; - fileStream.WriteText(data); - // If we don't want the BOM, then skip it by setting the starting location to 3 (size of BOM). - // If not, start from position 0, as the BOM will be added automatically when charset==utf8. - if (writeByteOrderMark) { - fileStream.Position = 0; - } - else { - fileStream.Position = 3; - } - fileStream.CopyTo(binaryStream); - binaryStream.SaveToFile(fileName, 2 /*overwrite*/); - } - finally { - binaryStream.Close(); - fileStream.Close(); - } - } - function getCanonicalPath(path) { - return path.toLowerCase(); - } - function getNames(collection) { - var result = []; - for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { - result.push(e.item().Name); - } - return result.sort(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var folder = fso.GetFolder(path || "."); - var files = getNames(folder.files); - for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { - var current = files_1[_i]; - var name_1 = ts.combinePaths(path, current); - if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { - result.push(name_1); - } - } - var subfolders = getNames(folder.subfolders); - for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { - var current = subfolders_1[_a]; - var name_2 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_2))) { - visitDirectory(name_2); - } - } - } - } - return { - args: args, - newLine: "\r\n", - useCaseSensitiveFileNames: false, - write: function (s) { - WScript.StdOut.Write(s); - }, - readFile: readFile, - writeFile: writeFile, - resolvePath: function (path) { - return fso.GetAbsolutePathName(path); - }, - fileExists: function (path) { - return fso.FileExists(path); - }, - directoryExists: function (path) { - return fso.FolderExists(path); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - fso.CreateFolder(directoryName); - } - }, - getExecutingFilePath: function () { - return WScript.ScriptFullName; - }, - getCurrentDirectory: function () { - return new ActiveXObject("WScript.Shell").CurrentDirectory; - }, - readDirectory: readDirectory, - exit: function (exitCode) { - try { - WScript.Quit(exitCode); - } - catch (e) { - } - } - }; - } - function getNodeSystem() { - var _fs = require("fs"); - var _path = require("path"); - var _os = require("os"); - // average async stat takes about 30 microseconds - // set chunk size to do 30 files in < 1 millisecond - function createPollingWatchedFileSet(interval, chunkSize) { - if (interval === void 0) { interval = 2500; } - if (chunkSize === void 0) { chunkSize = 30; } - var watchedFiles = []; - var nextFileToCheck = 0; - var watchTimer; - function getModifiedTime(fileName) { - return _fs.statSync(fileName).mtime; - } - function poll(checkedIndex) { - var watchedFile = watchedFiles[checkedIndex]; - if (!watchedFile) { - return; - } - _fs.stat(watchedFile.filePath, function (err, stats) { - if (err) { - watchedFile.callback(watchedFile.filePath); - } - else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { - watchedFile.mtime = getModifiedTime(watchedFile.filePath); - watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); - } - }); - } - // this implementation uses polling and - // stat due to inconsistencies of fs.watch - // and efficiency of stat on modern filesystems - function startWatchTimer() { - watchTimer = setInterval(function () { - var count = 0; - var nextToCheck = nextFileToCheck; - var firstCheck = -1; - while ((count < chunkSize) && (nextToCheck !== firstCheck)) { - poll(nextToCheck); - if (firstCheck < 0) { - firstCheck = nextToCheck; - } - nextToCheck++; - if (nextToCheck === watchedFiles.length) { - nextToCheck = 0; - } - count++; - } - nextFileToCheck = nextToCheck; - }, interval); - } - function addFile(filePath, callback) { - var file = { - filePath: filePath, - callback: callback, - mtime: getModifiedTime(filePath) - }; - watchedFiles.push(file); - if (watchedFiles.length === 1) { - startWatchTimer(); - } - return file; - } - function removeFile(file) { - watchedFiles = ts.copyListRemovingItem(file, watchedFiles); - } - return { - getModifiedTime: getModifiedTime, - poll: poll, - startWatchTimer: startWatchTimer, - addFile: addFile, - removeFile: removeFile - }; - } - function createWatchedFileSet() { - var dirWatchers = ts.createFileMap(); - // One file can have multiple watchers - var fileWatcherCallbacks = ts.createFileMap(); - return { addFile: addFile, removeFile: removeFile }; - function reduceDirWatcherRefCountForFile(filePath) { - var dirPath = ts.getDirectoryPath(filePath); - if (dirWatchers.contains(dirPath)) { - var watcher = dirWatchers.get(dirPath); - watcher.referenceCount -= 1; - if (watcher.referenceCount <= 0) { - watcher.close(); - dirWatchers.remove(dirPath); - } - } - } - function addDirWatcher(dirPath) { - if (dirWatchers.contains(dirPath)) { - var watcher_1 = dirWatchers.get(dirPath); - watcher_1.referenceCount += 1; - return; - } - var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); - watcher.referenceCount = 1; - dirWatchers.set(dirPath, watcher); - return; - } - function addFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - fileWatcherCallbacks.get(filePath).push(callback); - } - else { - fileWatcherCallbacks.set(filePath, [callback]); - } - } - function addFile(filePath, callback) { - addFileWatcherCallback(filePath, callback); - addDirWatcher(ts.getDirectoryPath(filePath)); - return { filePath: filePath, callback: callback }; - } - function removeFile(watchedFile) { - removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); - reduceDirWatcherRefCountForFile(watchedFile.filePath); - } - function removeFileWatcherCallback(filePath, callback) { - if (fileWatcherCallbacks.contains(filePath)) { - var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); - if (newCallbacks.length === 0) { - fileWatcherCallbacks.remove(filePath); - } - else { - fileWatcherCallbacks.set(filePath, newCallbacks); - } - } - } - /** - * @param watcherPath is the path from which the watcher is triggered. - */ - function fileEventHandler(eventName, relativeFileName, baseDirPath) { - // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined" - var filePath = typeof relativeFileName !== "string" - ? undefined - : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); - // Some applications save a working file via rename operations - if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { - for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { - var fileCallback = _a[_i]; - fileCallback(filePath); - } - } - } - } - // REVIEW: for now this implementation uses polling. - // The advantage of polling is that it works reliably - // on all os and with network mounted files. - // For 90 referenced files, the average time to detect - // changes is 2*msInterval (by default 5 seconds). - // The overhead of this is .04 percent (1/2500) with - // average pause of < 1 millisecond (and max - // pause less than 1.5 milliseconds); question is - // do we anticipate reference sets in the 100s and - // do we care about waiting 10-20 seconds to detect - // changes for large reference sets? If so, do we want - // to increase the chunk size or decrease the interval - // time dynamically to match the large reference set? - var pollingWatchedFileSet = createPollingWatchedFileSet(); - var watchedFileSet = createWatchedFileSet(); - function isNode4OrLater() { - return parseInt(process.version.charAt(1)) >= 4; - } - var platform = _os.platform(); - // win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive - var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; - function readFile(fileName, encoding) { - if (!_fs.existsSync(fileName)) { - return undefined; - } - var buffer = _fs.readFileSync(fileName); - var len = buffer.length; - if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { - // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js, - // flip all byte pairs and treat as little endian. - len &= ~1; - for (var i = 0; i < len; i += 2) { - var temp = buffer[i]; - buffer[i] = buffer[i + 1]; - buffer[i + 1] = temp; - } - return buffer.toString("utf16le", 2); - } - if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { - // Little endian UTF-16 byte order mark detected - return buffer.toString("utf16le", 2); - } - if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { - // UTF-8 byte order mark detected - return buffer.toString("utf8", 3); - } - // Default is UTF-8 with no byte order mark - return buffer.toString("utf8"); - } - function writeFile(fileName, data, writeByteOrderMark) { - // If a BOM is required, emit one - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - var fd; - try { - fd = _fs.openSync(fileName, "w"); - _fs.writeSync(fd, data, undefined, "utf8"); - } - finally { - if (fd !== undefined) { - _fs.closeSync(fd); - } - } - } - function getCanonicalPath(path) { - return useCaseSensitiveFileNames ? path : path.toLowerCase(); - } - function readDirectory(path, extension, exclude) { - var result = []; - exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); - visitDirectory(path); - return result; - function visitDirectory(path) { - var files = _fs.readdirSync(path || ".").sort(); - var directories = []; - for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { - var current = files_2[_i]; - var name_3 = ts.combinePaths(path, current); - if (!ts.contains(exclude, getCanonicalPath(name_3))) { - var stat = _fs.statSync(name_3); - if (stat.isFile()) { - if (!extension || ts.fileExtensionIs(name_3, extension)) { - result.push(name_3); - } - } - else if (stat.isDirectory()) { - directories.push(name_3); - } - } - } - for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { - var current = directories_1[_a]; - visitDirectory(current); - } - } - } - return { - args: process.argv.slice(2), - newLine: _os.EOL, - useCaseSensitiveFileNames: useCaseSensitiveFileNames, - write: function (s) { - process.stdout.write(s); - }, - readFile: readFile, - writeFile: writeFile, - watchFile: function (filePath, callback) { - // Node 4.0 stablized the `fs.watch` function on Windows which avoids polling - // and is more efficient than `fs.watchFile` (ref: https://github.com/nodejs/node/pull/2649 - // and https://github.com/Microsoft/TypeScript/issues/4643), therefore - // if the current node.js version is newer than 4, use `fs.watch` instead. - var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; - var watchedFile = watchSet.addFile(filePath, callback); - return { - close: function () { return watchSet.removeFile(watchedFile); } - }; - }, - watchDirectory: function (path, callback, recursive) { - // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows - // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643) - var options; - if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { - options = { persistent: true, recursive: !!recursive }; - } - else { - options = { persistent: true }; - } - return _fs.watch(path, options, function (eventName, relativeFileName) { - // In watchDirectory we only care about adding and removing files (when event name is - // "rename"); changes made within files are handled by corresponding fileWatchers (when - // event name is "change") - if (eventName === "rename") { - // When deleting a file, the passed baseFileName is null - callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); - } - ; - }); - }, - resolvePath: function (path) { - return _path.resolve(path); - }, - fileExists: function (path) { - return _fs.existsSync(path); - }, - directoryExists: function (path) { - return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); - }, - createDirectory: function (directoryName) { - if (!this.directoryExists(directoryName)) { - _fs.mkdirSync(directoryName); - } - }, - getExecutingFilePath: function () { - return __filename; - }, - getCurrentDirectory: function () { - return process.cwd(); - }, - readDirectory: readDirectory, - getMemoryUsage: function () { - if (global.gc) { - global.gc(); - } - return process.memoryUsage().heapUsed; - }, - exit: function (exitCode) { - process.exit(exitCode); - } - }; - } - function getChakraSystem() { - return { - newLine: ChakraHost.newLine || "\r\n", - args: ChakraHost.args, - useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, - write: ChakraHost.echo, - readFile: function (path, encoding) { - // encoding is automatically handled by the implementation in ChakraHost - return ChakraHost.readFile(path); - }, - writeFile: function (path, data, writeByteOrderMark) { - // If a BOM is required, emit one - if (writeByteOrderMark) { - data = "\uFEFF" + data; - } - ChakraHost.writeFile(path, data); - }, - resolvePath: ChakraHost.resolvePath, - fileExists: ChakraHost.fileExists, - directoryExists: ChakraHost.directoryExists, - createDirectory: ChakraHost.createDirectory, - getExecutingFilePath: function () { return ChakraHost.executingFile; }, - getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, - readDirectory: ChakraHost.readDirectory, - exit: ChakraHost.quit - }; - } - if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { - return getWScriptSystem(); - } - else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { - // process and process.nextTick checks if current environment is node-like - // process.browser check excludes webpack and browserify - return getNodeSystem(); - } - else if (typeof ChakraHost !== "undefined") { - return getChakraSystem(); - } - else { - return undefined; // Unsupported host - } - })(); -})(ts || (ts = {})); -// -/// -/* @internal */ -var ts; -(function (ts) { - ts.Diagnostics = { - Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, - Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, - _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, - A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, - Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, - Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, - Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, - A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, - Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, - A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, - An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, - An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, - An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, - An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, - An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, - An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, - An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, - Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, - _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, - _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, - _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, - super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, - Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, - Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, - A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, - Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, - _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, - _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, - _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, - _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, - _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, - A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, - A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, - A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, - A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, - A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, - A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, - A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, - A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, - A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, - Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, - Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, - An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, - Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, - Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, - Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, - Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, - _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, - An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, - The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, - In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, - Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, - A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, - Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, - Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, - An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, - _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, - _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, - Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, - Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, - An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, - A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, - An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, - _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, - Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, - Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, - Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, - with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, - delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, - A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, - A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, - Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, - A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, - Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, - Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, - A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, - A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, - Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, - A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, - A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, - An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, - An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, - An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, - An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, - Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, - A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, - Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, - Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, - Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, - Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, - Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, - Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, - Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, - case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, - Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, - Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, - Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, - Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, - Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, - Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, - Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, - Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, - Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, - String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, - Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, - or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, - Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, - Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, - Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, - Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, - File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, - new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, - const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, - const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, - let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, - Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, - Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, - An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, - A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, - Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, - A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, - A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, - A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, - A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, - extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, - extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, - Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, - implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, - Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, - Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, - Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, - Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, - Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, - Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, - A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, - An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, - Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, - Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, - A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, - A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, - Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, - The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, - The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, - An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, - Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, - An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, - Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, - Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, - Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, - Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, - An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, - Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, - Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, - Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, - Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, - Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, - Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, - Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, - Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, - Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, - Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, - A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, - Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, - Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, - Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, - Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, - Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, - Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, - An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, - _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, - Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, - Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, - Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, - Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, - A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, - A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, - A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, - An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, - An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, - An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, - An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, - A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, - The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, - The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, - Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, - Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, - Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, - Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, - abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, - _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, - Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, - Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, - An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, - A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, - A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, - A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, - with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, - await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, - Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, - can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, - The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, - Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, - Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, - Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, - Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, - Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, - Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, - File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, - Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, - Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, - An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, - Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, - A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, - An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, - Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, - Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, - Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, - Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, - Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, - Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, - Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, - Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, - Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, - Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, - Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, - Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, - Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, - Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, - Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, - Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, - Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, - Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, - this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, - this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, - this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, - this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, - super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, - super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, - Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, - super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, - Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, - Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, - Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, - An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, - Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, - Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, - Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, - Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, - Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, - Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, - Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, - Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, - Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, - Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, - No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, - A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, - An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, - The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, - The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, - The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, - The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, - The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, - The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, - Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, - Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, - Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, - A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, - A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, - A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, - Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, - Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, - Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, - Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, - A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, - Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, - A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, - Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, - get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, - A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, - Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, - Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, - Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, - Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, - Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, - Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, - Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, - Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, - Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, - Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, - Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, - Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, - Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, - Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, - Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, - Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, - Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, - Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, - Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, - Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, - Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, - The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, - The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, - Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, - The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, - Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, - Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, - All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, - Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, - Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, - Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, - Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, - Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, - Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, - Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, - Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, - A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, - Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, - Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, - Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, - Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, - All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, - Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, - Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, - In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, - A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, - A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, - Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, - Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, - Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, - Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, - Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, - Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, - Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, - Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, - Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, - Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, - Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, - The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, - Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, - The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, - Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, - Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, - An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, - The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, - Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, - Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, - Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, - An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, - Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, - Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, - Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, - A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, - A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, - A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, - this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, - super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, - A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, - Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, - The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, - Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, - A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, - Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, - Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, - In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, - const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, - A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, - const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, - const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, - Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, - let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, - Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, - The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, - Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, - The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, - Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, - Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, - An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, - The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, - The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, - Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, - Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, - Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, - Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, - The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, - Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, - Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, - An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, - A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, - A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, - _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, - Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, - No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, - A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, - _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, - Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, - No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, - Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, - Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, - Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, - Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, - Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, - Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, - Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, - All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, - Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, - A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, - Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, - Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, - The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, - yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, - await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, - Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, - A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, - The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, - A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, - Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, - JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, - The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, - JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, - Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, - JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, - JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, - Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, - JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, - The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, - Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, - A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, - Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, - Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, - Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, - Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, - JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, - Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, - super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, - super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, - Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, - Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, - Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, - Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, - Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, - Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, - Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, - export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, - Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, - Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, - Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, - Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, - Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, - Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, - Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, - Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, - Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, - Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, - Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, - Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, - Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, - Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, - Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, - Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, - Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, - Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, - Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, - Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, - Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, - Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, - The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, - Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, - Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, - Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, - Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, - Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, - Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, - Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, - Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, - Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, - Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, - Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, - Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, - A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, - Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, - Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, - Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, - The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, - Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, - Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, - Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, - Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, - Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, - Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, - Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, - Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, - Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, - Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, - Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, - Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, - Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, - Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, - Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, - Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, - Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, - Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, - options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, - file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, - Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, - Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, - Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, - Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, - File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, - KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, - FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, - VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, - LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, - DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, - Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, - Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, - Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, - Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, - Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, - Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, - Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, - Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, - Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, - Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, - Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, - File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, - File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, - Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, - Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, - Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, - File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, - Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, - NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, - Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, - Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, - Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, - Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, - Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, - Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, - Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, - Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, - Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, - Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, - Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, - Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, - Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, - Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, - Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, - Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, - Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, - Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, - Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, - Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, - Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, - Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, - Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, - Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, - new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, - _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, - Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, - Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, - Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, - Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, - Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, - Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, - Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, - _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, - _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, - Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, - JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, - Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, - Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, - Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, - Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, - You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, - You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, - import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, - export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, - type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, - implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, - interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, - module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, - type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, - _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, - types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, - type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, - parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, - property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, - enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, - type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, - Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, - class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, - JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, - JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, - Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, - JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, - Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, - A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, - An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, - JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, - super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } - }; -})(ts || (ts = {})); -/// -/// -var ts; -(function (ts) { - /* @internal */ - function tokenIsIdentifierOrKeyword(token) { - return token >= 69 /* Identifier */; - } - ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; - var textToToken = { - "abstract": 115 /* AbstractKeyword */, - "any": 117 /* AnyKeyword */, - "as": 116 /* AsKeyword */, - "boolean": 120 /* BooleanKeyword */, - "break": 70 /* BreakKeyword */, - "case": 71 /* CaseKeyword */, - "catch": 72 /* CatchKeyword */, - "class": 73 /* ClassKeyword */, - "continue": 75 /* ContinueKeyword */, - "const": 74 /* ConstKeyword */, - "constructor": 121 /* ConstructorKeyword */, - "debugger": 76 /* DebuggerKeyword */, - "declare": 122 /* DeclareKeyword */, - "default": 77 /* DefaultKeyword */, - "delete": 78 /* DeleteKeyword */, - "do": 79 /* DoKeyword */, - "else": 80 /* ElseKeyword */, - "enum": 81 /* EnumKeyword */, - "export": 82 /* ExportKeyword */, - "extends": 83 /* ExtendsKeyword */, - "false": 84 /* FalseKeyword */, - "finally": 85 /* FinallyKeyword */, - "for": 86 /* ForKeyword */, - "from": 133 /* FromKeyword */, - "function": 87 /* FunctionKeyword */, - "get": 123 /* GetKeyword */, - "if": 88 /* IfKeyword */, - "implements": 106 /* ImplementsKeyword */, - "import": 89 /* ImportKeyword */, - "in": 90 /* InKeyword */, - "instanceof": 91 /* InstanceOfKeyword */, - "interface": 107 /* InterfaceKeyword */, - "is": 124 /* IsKeyword */, - "let": 108 /* LetKeyword */, - "module": 125 /* ModuleKeyword */, - "namespace": 126 /* NamespaceKeyword */, - "new": 92 /* NewKeyword */, - "null": 93 /* NullKeyword */, - "number": 128 /* NumberKeyword */, - "package": 109 /* PackageKeyword */, - "private": 110 /* PrivateKeyword */, - "protected": 111 /* ProtectedKeyword */, - "public": 112 /* PublicKeyword */, - "require": 127 /* RequireKeyword */, - "global": 134 /* GlobalKeyword */, - "return": 94 /* ReturnKeyword */, - "set": 129 /* SetKeyword */, - "static": 113 /* StaticKeyword */, - "string": 130 /* StringKeyword */, - "super": 95 /* SuperKeyword */, - "switch": 96 /* SwitchKeyword */, - "symbol": 131 /* SymbolKeyword */, - "this": 97 /* ThisKeyword */, - "throw": 98 /* ThrowKeyword */, - "true": 99 /* TrueKeyword */, - "try": 100 /* TryKeyword */, - "type": 132 /* TypeKeyword */, - "typeof": 101 /* TypeOfKeyword */, - "var": 102 /* VarKeyword */, - "void": 103 /* VoidKeyword */, - "while": 104 /* WhileKeyword */, - "with": 105 /* WithKeyword */, - "yield": 114 /* YieldKeyword */, - "async": 118 /* AsyncKeyword */, - "await": 119 /* AwaitKeyword */, - "of": 135 /* OfKeyword */, - "{": 15 /* OpenBraceToken */, - "}": 16 /* CloseBraceToken */, - "(": 17 /* OpenParenToken */, - ")": 18 /* CloseParenToken */, - "[": 19 /* OpenBracketToken */, - "]": 20 /* CloseBracketToken */, - ".": 21 /* DotToken */, - "...": 22 /* DotDotDotToken */, - ";": 23 /* SemicolonToken */, - ",": 24 /* CommaToken */, - "<": 25 /* LessThanToken */, - ">": 27 /* GreaterThanToken */, - "<=": 28 /* LessThanEqualsToken */, - ">=": 29 /* GreaterThanEqualsToken */, - "==": 30 /* EqualsEqualsToken */, - "!=": 31 /* ExclamationEqualsToken */, - "===": 32 /* EqualsEqualsEqualsToken */, - "!==": 33 /* ExclamationEqualsEqualsToken */, - "=>": 34 /* EqualsGreaterThanToken */, - "+": 35 /* PlusToken */, - "-": 36 /* MinusToken */, - "**": 38 /* AsteriskAsteriskToken */, - "*": 37 /* AsteriskToken */, - "/": 39 /* SlashToken */, - "%": 40 /* PercentToken */, - "++": 41 /* PlusPlusToken */, - "--": 42 /* MinusMinusToken */, - "<<": 43 /* LessThanLessThanToken */, - ">": 44 /* GreaterThanGreaterThanToken */, - ">>>": 45 /* GreaterThanGreaterThanGreaterThanToken */, - "&": 46 /* AmpersandToken */, - "|": 47 /* BarToken */, - "^": 48 /* CaretToken */, - "!": 49 /* ExclamationToken */, - "~": 50 /* TildeToken */, - "&&": 51 /* AmpersandAmpersandToken */, - "||": 52 /* BarBarToken */, - "?": 53 /* QuestionToken */, - ":": 54 /* ColonToken */, - "=": 56 /* EqualsToken */, - "+=": 57 /* PlusEqualsToken */, - "-=": 58 /* MinusEqualsToken */, - "*=": 59 /* AsteriskEqualsToken */, - "**=": 60 /* AsteriskAsteriskEqualsToken */, - "/=": 61 /* SlashEqualsToken */, - "%=": 62 /* PercentEqualsToken */, - "<<=": 63 /* LessThanLessThanEqualsToken */, - ">>=": 64 /* GreaterThanGreaterThanEqualsToken */, - ">>>=": 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */, - "&=": 66 /* AmpersandEqualsToken */, - "|=": 67 /* BarEqualsToken */, - "^=": 68 /* CaretEqualsToken */, - "@": 55 /* AtToken */ - }; - /* - As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers - IdentifierStart :: - Can contain Unicode 3.0.0 categories: - Uppercase letter (Lu), - Lowercase letter (Ll), - Titlecase letter (Lt), - Modifier letter (Lm), - Other letter (Lo), or - Letter number (Nl). - IdentifierPart :: = - Can contain IdentifierStart + Unicode 3.0.0 categories: - Non-spacing mark (Mn), - Combining spacing mark (Mc), - Decimal number (Nd), or - Connector punctuation (Pc). - - Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at: - http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt - */ - var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 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3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3805, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3946, 3953, 3972, 3974, 3979, 3984, 3991, 3993, 4028, 4038, 4038, 4096, 4129, 4131, 4135, 4137, 4138, 4140, 4146, 4150, 4153, 4160, 4169, 4176, 4185, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 4969, 4977, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6099, 6112, 6121, 6160, 6169, 6176, 6263, 6272, 6313, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8255, 8256, 8319, 8319, 8400, 8412, 8417, 8417, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12346, 12353, 12436, 12441, 12442, 12445, 12446, 12449, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65056, 65059, 65075, 65076, 65101, 65103, 65136, 65138, 65140, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - /* - As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers - IdentifierStart :: - Can contain Unicode 6.2 categories: - Uppercase letter (Lu), - Lowercase letter (Ll), - Titlecase letter (Lt), - Modifier letter (Lm), - Other letter (Lo), or - Letter number (Nl). - IdentifierPart :: - Can contain IdentifierStart + Unicode 6.2 categories: - Non-spacing mark (Mn), - Combining spacing mark (Mc), - Decimal number (Nd), - Connector punctuation (Pc), - , or - . - - Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at: - http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt - */ - var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261, 3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3807, 3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138, 4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198, 4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000, 6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312, 6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516, 6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823, 6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7098, 7141, 7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409, 7413, 7414, 7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11502, 11506, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539, 42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43009, 43011, 43013, 43015, 43018, 43020, 43042, 43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259, 43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442, 43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595, 43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697, 43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714, 43739, 43741, 43744, 43754, 43762, 43764, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 2210, 2220, 2276, 2302, 2304, 2403, 2406, 2415, 2417, 2423, 2425, 2431, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2500, 2503, 2504, 2507, 2510, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2561, 2563, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2641, 2641, 2649, 2652, 2654, 2654, 2662, 2677, 2689, 2691, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2787, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2876, 2884, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2915, 2918, 2927, 2929, 2929, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3024, 3024, 3031, 3031, 3046, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3133, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3160, 3161, 3168, 3171, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3260, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3299, 3302, 3311, 3313, 3314, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3386, 3389, 3396, 3398, 3400, 3402, 3406, 3415, 3415, 3424, 3427, 3430, 3439, 3450, 3455, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3530, 3530, 3535, 3540, 3542, 3542, 3544, 3551, 3570, 3571, 3585, 3642, 3648, 3662, 3664, 3673, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3769, 3771, 3773, 3776, 3780, 3782, 3782, 3784, 3789, 3792, 3801, 3804, 3807, 3840, 3840, 3864, 3865, 3872, 3881, 3893, 3893, 3895, 3895, 3897, 3897, 3902, 3911, 3913, 3948, 3953, 3972, 3974, 3991, 3993, 4028, 4038, 4038, 4096, 4169, 4176, 4253, 4256, 4293, 4295, 4295, 4301, 4301, 4304, 4346, 4348, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880, 4882, 4885, 4888, 4954, 4957, 4959, 4992, 5007, 5024, 5108, 5121, 5740, 5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900, 5902, 5908, 5920, 5940, 5952, 5971, 5984, 5996, 5998, 6000, 6002, 6003, 6016, 6099, 6103, 6103, 6108, 6109, 6112, 6121, 6155, 6157, 6160, 6169, 6176, 6263, 6272, 6314, 6320, 6389, 6400, 6428, 6432, 6443, 6448, 6459, 6470, 6509, 6512, 6516, 6528, 6571, 6576, 6601, 6608, 6617, 6656, 6683, 6688, 6750, 6752, 6780, 6783, 6793, 6800, 6809, 6823, 6823, 6912, 6987, 6992, 7001, 7019, 7027, 7040, 7155, 7168, 7223, 7232, 7241, 7245, 7293, 7376, 7378, 7380, 7414, 7424, 7654, 7676, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; - function lookupInUnicodeMap(code, map) { - // Bail out quickly if it couldn't possibly be in the map. - if (code < map[0]) { - return false; - } - // Perform binary search in one of the Unicode range maps - var lo = 0; - var hi = map.length; - var mid; - while (lo + 1 < hi) { - mid = lo + (hi - lo) / 2; - // mid has to be even to catch a range's beginning - mid -= mid % 2; - if (map[mid] <= code && code <= map[mid + 1]) { - return true; - } - if (code < map[mid]) { - hi = mid; - } - else { - lo = mid + 2; - } - } - return false; - } - /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) { - return languageVersion >= 1 /* ES5 */ ? - lookupInUnicodeMap(code, unicodeES5IdentifierStart) : - lookupInUnicodeMap(code, unicodeES3IdentifierStart); - } - ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; - function isUnicodeIdentifierPart(code, languageVersion) { - return languageVersion >= 1 /* ES5 */ ? - lookupInUnicodeMap(code, unicodeES5IdentifierPart) : - lookupInUnicodeMap(code, unicodeES3IdentifierPart); - } - function makeReverseMap(source) { - var result = []; - for (var name_4 in source) { - if (source.hasOwnProperty(name_4)) { - result[source[name_4]] = name_4; - } - } - return result; - } - var tokenStrings = makeReverseMap(textToToken); - function tokenToString(t) { - return tokenStrings[t]; - } - ts.tokenToString = tokenToString; - /* @internal */ - function stringToToken(s) { - return textToToken[s]; - } - ts.stringToToken = stringToToken; - /* @internal */ - function computeLineStarts(text) { - var result = new Array(); - var pos = 0; - var lineStart = 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - result.push(lineStart); - lineStart = pos; - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) { - result.push(lineStart); - lineStart = pos; - } - break; - } - } - result.push(lineStart); - return result; - } - ts.computeLineStarts = computeLineStarts; - function getPositionOfLineAndCharacter(sourceFile, line, character) { - return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); - } - ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; - /* @internal */ - function computePositionOfLineAndCharacter(lineStarts, line, character) { - ts.Debug.assert(line >= 0 && line < lineStarts.length); - return lineStarts[line] + character; - } - ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; - /* @internal */ - function getLineStarts(sourceFile) { - return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); - } - ts.getLineStarts = getLineStarts; - /* @internal */ - /** - * We assume the first line starts at position 0 and 'position' is non-negative. - */ - function computeLineAndCharacterOfPosition(lineStarts, position) { - var lineNumber = ts.binarySearch(lineStarts, position); - if (lineNumber < 0) { - // If the actual position was not found, - // the binary search returns the 2's-complement of the next line start - // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20 - // then the search will return -2. - // - // We want the index of the previous line start, so we subtract 1. - // Review 2's-complement if this is confusing. - lineNumber = ~lineNumber - 1; - ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); - } - return { - line: lineNumber, - character: position - lineStarts[lineNumber] - }; - } - ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; - function getLineAndCharacterOfPosition(sourceFile, position) { - return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); - } - ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; - var hasOwnProperty = Object.prototype.hasOwnProperty; - function isWhiteSpace(ch) { - // Note: nextLine is in the Zs space, and should be considered to be a whitespace. - // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript. - return ch === 32 /* space */ || - ch === 9 /* tab */ || - ch === 11 /* verticalTab */ || - ch === 12 /* formFeed */ || - ch === 160 /* nonBreakingSpace */ || - ch === 133 /* nextLine */ || - ch === 5760 /* ogham */ || - ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ || - ch === 8239 /* narrowNoBreakSpace */ || - ch === 8287 /* mathematicalSpace */ || - ch === 12288 /* ideographicSpace */ || - ch === 65279 /* byteOrderMark */; - } - ts.isWhiteSpace = isWhiteSpace; - function isLineBreak(ch) { - // ES5 7.3: - // The ECMAScript line terminator characters are listed in Table 3. - // Table 3: Line Terminator Characters - // Code Unit Value Name Formal Name - // \u000A Line Feed - // \u000D Carriage Return - // \u2028 Line separator - // \u2029 Paragraph separator - // Only the characters in Table 3 are treated as line terminators. Other new line or line - // breaking characters are treated as white space but not as line terminators. - return ch === 10 /* lineFeed */ || - ch === 13 /* carriageReturn */ || - ch === 8232 /* lineSeparator */ || - ch === 8233 /* paragraphSeparator */; - } - ts.isLineBreak = isLineBreak; - function isDigit(ch) { - return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; - } - /* @internal */ - function isOctalDigit(ch) { - return ch >= 48 /* _0 */ && ch <= 55 /* _7 */; - } - ts.isOctalDigit = isOctalDigit; - function couldStartTrivia(text, pos) { - // Keep in sync with skipTrivia - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - case 10 /* lineFeed */: - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - case 47 /* slash */: - // starts of normal trivia - case 60 /* lessThan */: - case 61 /* equals */: - case 62 /* greaterThan */: - // Starts of conflict marker trivia - return true; - case 35 /* hash */: - // Only if its the beginning can we have #! trivia - return pos === 0; - default: - return ch > 127 /* maxAsciiCharacter */; - } - } - ts.couldStartTrivia = couldStartTrivia; - /* @internal */ - function skipTrivia(text, pos, stopAfterLineBreak) { - // Using ! with a greater than test is a fast way of testing the following conditions: - // pos === undefined || pos === null || isNaN(pos) || pos < 0; - if (!(pos >= 0)) { - return pos; - } - // Keep in sync with couldStartTrivia - while (true) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - pos++; - if (stopAfterLineBreak) { - return pos; - } - continue; - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - pos++; - continue; - case 47 /* slash */: - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - continue; - } - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - pos += 2; - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - break; - } - pos++; - } - continue; - } - break; - case 60 /* lessThan */: - case 61 /* equals */: - case 62 /* greaterThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos); - continue; - } - break; - case 35 /* hash */: - if (pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - continue; - } - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { - pos++; - continue; - } - break; - } - return pos; - } - } - ts.skipTrivia = skipTrivia; - // All conflict markers consist of the same character repeated seven times. If it is - // a <<<<<<< or >>>>>>> marker then it is also followd by a space. - var mergeConflictMarkerLength = "<<<<<<<".length; - function isConflictMarkerTrivia(text, pos) { - ts.Debug.assert(pos >= 0); - // Conflict markers must be at the start of a line. - if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { - var ch = text.charCodeAt(pos); - if ((pos + mergeConflictMarkerLength) < text.length) { - for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { - if (text.charCodeAt(pos + i) !== ch) { - return false; - } - } - return ch === 61 /* equals */ || - text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* space */; - } - } - return false; - } - function scanConflictMarkerTrivia(text, pos, error) { - if (error) { - error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); - } - var ch = text.charCodeAt(pos); - var len = text.length; - if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { - while (pos < len && !isLineBreak(text.charCodeAt(pos))) { - pos++; - } - } - else { - ts.Debug.assert(ch === 61 /* equals */); - // Consume everything from the start of the mid-conlict marker to the start of the next - // end-conflict marker. - while (pos < len) { - var ch_1 = text.charCodeAt(pos); - if (ch_1 === 62 /* greaterThan */ && isConflictMarkerTrivia(text, pos)) { - break; - } - pos++; - } - } - return pos; - } - var shebangTriviaRegex = /^#!.*/; - function isShebangTrivia(text, pos) { - // Shebangs check must only be done at the start of the file - ts.Debug.assert(pos === 0); - return shebangTriviaRegex.test(text); - } - function scanShebangTrivia(text, pos) { - var shebang = shebangTriviaRegex.exec(text)[0]; - pos = pos + shebang.length; - return pos; - } - /** - * Extract comments from text prefixing the token closest following `pos`. - * The return value is an array containing a TextRange for each comment. - * Single-line comment ranges include the beginning '//' characters but not the ending line break. - * Multi - line comment ranges include the beginning '/* and ending '/' characters. - * The return value is undefined if no comments were found. - * @param trailing - * If false, whitespace is skipped until the first line break and comments between that location - * and the next token are returned. - * If true, comments occurring between the given position and the next line break are returned. - */ - function getCommentRanges(text, pos, trailing) { - var result; - var collecting = trailing || pos === 0; - while (pos < text.length) { - var ch = text.charCodeAt(pos); - switch (ch) { - case 13 /* carriageReturn */: - if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - pos++; - } - case 10 /* lineFeed */: - pos++; - if (trailing) { - return result; - } - collecting = true; - if (result && result.length) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - continue; - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - pos++; - continue; - case 47 /* slash */: - var nextChar = text.charCodeAt(pos + 1); - var hasTrailingNewLine = false; - if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) { - var kind = nextChar === 47 /* slash */ ? 2 /* SingleLineCommentTrivia */ : 3 /* MultiLineCommentTrivia */; - var startPos = pos; - pos += 2; - if (nextChar === 47 /* slash */) { - while (pos < text.length) { - if (isLineBreak(text.charCodeAt(pos))) { - hasTrailingNewLine = true; - break; - } - pos++; - } - } - else { - while (pos < text.length) { - if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - break; - } - pos++; - } - } - if (collecting) { - if (!result) { - result = []; - } - result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); - } - continue; - } - break; - default: - if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { - if (result && result.length && isLineBreak(ch)) { - ts.lastOrUndefined(result).hasTrailingNewLine = true; - } - pos++; - continue; - } - break; - } - return result; - } - return result; - } - function getLeadingCommentRanges(text, pos) { - return getCommentRanges(text, pos, /*trailing*/ false); - } - ts.getLeadingCommentRanges = getLeadingCommentRanges; - function getTrailingCommentRanges(text, pos) { - return getCommentRanges(text, pos, /*trailing*/ true); - } - ts.getTrailingCommentRanges = getTrailingCommentRanges; - /** Optionally, get the shebang */ - function getShebang(text) { - return shebangTriviaRegex.test(text) - ? shebangTriviaRegex.exec(text)[0] - : undefined; - } - ts.getShebang = getShebang; - function isIdentifierStart(ch, languageVersion) { - return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || - ch === 36 /* $ */ || ch === 95 /* _ */ || - ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion); - } - ts.isIdentifierStart = isIdentifierStart; - function isIdentifierPart(ch, languageVersion) { - return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || - ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || - ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion); - } - ts.isIdentifierPart = isIdentifierPart; - /* @internal */ - function isIdentifier(name, languageVersion) { - if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { - return false; - } - for (var i = 1, n = name.length; i < n; i++) { - if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { - return false; - } - } - return true; - } - ts.isIdentifier = isIdentifier; - // Creates a scanner over a (possibly unspecified) range of a piece of text. - function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { - if (languageVariant === void 0) { languageVariant = 0 /* Standard */; } - // Current position (end position of text of current token) - var pos; - // end of text - var end; - // Start position of whitespace before current token - var startPos; - // Start position of text of current token - var tokenPos; - var token; - var tokenValue; - var precedingLineBreak; - var hasExtendedUnicodeEscape; - var tokenIsUnterminated; - setText(text, start, length); - return { - getStartPos: function () { return startPos; }, - getTextPos: function () { return pos; }, - getToken: function () { return token; }, - getTokenPos: function () { return tokenPos; }, - getTokenText: function () { return text.substring(tokenPos, pos); }, - getTokenValue: function () { return tokenValue; }, - hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, - hasPrecedingLineBreak: function () { return precedingLineBreak; }, - isIdentifier: function () { return token === 69 /* Identifier */ || token > 105 /* LastReservedWord */; }, - isReservedWord: function () { return token >= 70 /* FirstReservedWord */ && token <= 105 /* LastReservedWord */; }, - isUnterminated: function () { return tokenIsUnterminated; }, - reScanGreaterToken: reScanGreaterToken, - reScanSlashToken: reScanSlashToken, - reScanTemplateToken: reScanTemplateToken, - scanJsxIdentifier: scanJsxIdentifier, - reScanJsxToken: reScanJsxToken, - scanJsxToken: scanJsxToken, - scanJSDocToken: scanJSDocToken, - scan: scan, - setText: setText, - setScriptTarget: setScriptTarget, - setLanguageVariant: setLanguageVariant, - setOnError: setOnError, - setTextPos: setTextPos, - tryScan: tryScan, - lookAhead: lookAhead, - scanRange: scanRange - }; - function error(message, length) { - if (onError) { - onError(message, length || 0); - } - } - function scanNumber() { - var start = pos; - while (isDigit(text.charCodeAt(pos))) - pos++; - if (text.charCodeAt(pos) === 46 /* dot */) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - } - var end = pos; - if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) { - pos++; - if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */) - pos++; - if (isDigit(text.charCodeAt(pos))) { - pos++; - while (isDigit(text.charCodeAt(pos))) - pos++; - end = pos; - } - else { - error(ts.Diagnostics.Digit_expected); - } - } - return "" + +(text.substring(start, end)); - } - function scanOctalDigits() { - var start = pos; - while (isOctalDigit(text.charCodeAt(pos))) { - pos++; - } - return +(text.substring(start, pos)); - } - /** - * Scans the given number of hexadecimal digits in the text, - * returning -1 if the given number is unavailable. - */ - function scanExactNumberOfHexDigits(count) { - return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false); - } - /** - * Scans as many hexadecimal digits as are available in the text, - * returning -1 if the given number of digits was unavailable. - */ - function scanMinimumNumberOfHexDigits(count) { - return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true); - } - function scanHexDigits(minCount, scanAsManyAsPossible) { - var digits = 0; - var value = 0; - while (digits < minCount || scanAsManyAsPossible) { - var ch = text.charCodeAt(pos); - if (ch >= 48 /* _0 */ && ch <= 57 /* _9 */) { - value = value * 16 + ch - 48 /* _0 */; - } - else if (ch >= 65 /* A */ && ch <= 70 /* F */) { - value = value * 16 + ch - 65 /* A */ + 10; - } - else if (ch >= 97 /* a */ && ch <= 102 /* f */) { - value = value * 16 + ch - 97 /* a */ + 10; - } - else { - break; - } - pos++; - digits++; - } - if (digits < minCount) { - value = -1; - } - return value; - } - function scanString() { - var quote = text.charCodeAt(pos); - pos++; - var result = ""; - var start = pos; - while (true) { - if (pos >= end) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - var ch = text.charCodeAt(pos); - if (ch === quote) { - result += text.substring(start, pos); - pos++; - break; - } - if (ch === 92 /* backslash */) { - result += text.substring(start, pos); - result += scanEscapeSequence(); - start = pos; - continue; - } - if (isLineBreak(ch)) { - result += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_string_literal); - break; - } - pos++; - } - return result; - } - /** - * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or - * a literal component of a TemplateExpression. - */ - function scanTemplateAndSetTokenValue() { - var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */; - pos++; - var start = pos; - var contents = ""; - var resultingToken; - while (true) { - if (pos >= end) { - contents += text.substring(start, pos); - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_template_literal); - resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; - break; - } - var currChar = text.charCodeAt(pos); - // '`' - if (currChar === 96 /* backtick */) { - contents += text.substring(start, pos); - pos++; - resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; - break; - } - // '${' - if (currChar === 36 /* $ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* openBrace */) { - contents += text.substring(start, pos); - pos += 2; - resultingToken = startedWithBacktick ? 12 /* TemplateHead */ : 13 /* TemplateMiddle */; - break; - } - // Escape character - if (currChar === 92 /* backslash */) { - contents += text.substring(start, pos); - contents += scanEscapeSequence(); - start = pos; - continue; - } - // Speculated ECMAScript 6 Spec 11.8.6.1: - // and LineTerminatorSequences are normalized to for Template Values - if (currChar === 13 /* carriageReturn */) { - contents += text.substring(start, pos); - pos++; - if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - contents += "\n"; - start = pos; - continue; - } - pos++; - } - ts.Debug.assert(resultingToken !== undefined); - tokenValue = contents; - return resultingToken; - } - function scanEscapeSequence() { - pos++; - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - return ""; - } - var ch = text.charCodeAt(pos); - pos++; - switch (ch) { - case 48 /* _0 */: - return "\0"; - case 98 /* b */: - return "\b"; - case 116 /* t */: - return "\t"; - case 110 /* n */: - return "\n"; - case 118 /* v */: - return "\v"; - case 102 /* f */: - return "\f"; - case 114 /* r */: - return "\r"; - case 39 /* singleQuote */: - return "\'"; - case 34 /* doubleQuote */: - return "\""; - case 117 /* u */: - // '\u{DDDDDDDD}' - if (pos < end && text.charCodeAt(pos) === 123 /* openBrace */) { - hasExtendedUnicodeEscape = true; - pos++; - return scanExtendedUnicodeEscape(); - } - // '\uDDDD' - return scanHexadecimalEscape(/*numDigits*/ 4); - case 120 /* x */: - // '\xDD' - return scanHexadecimalEscape(/*numDigits*/ 2); - // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence), - // the line terminator is interpreted to be "the empty code unit sequence". - case 13 /* carriageReturn */: - if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { - pos++; - } - // fall through - case 10 /* lineFeed */: - case 8232 /* lineSeparator */: - case 8233 /* paragraphSeparator */: - return ""; - default: - return String.fromCharCode(ch); - } - } - function scanHexadecimalEscape(numDigits) { - var escapedValue = scanExactNumberOfHexDigits(numDigits); - if (escapedValue >= 0) { - return String.fromCharCode(escapedValue); - } - else { - error(ts.Diagnostics.Hexadecimal_digit_expected); - return ""; - } - } - function scanExtendedUnicodeEscape() { - var escapedValue = scanMinimumNumberOfHexDigits(1); - var isInvalidExtendedEscape = false; - // Validate the value of the digit - if (escapedValue < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - isInvalidExtendedEscape = true; - } - else if (escapedValue > 0x10FFFF) { - error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); - isInvalidExtendedEscape = true; - } - if (pos >= end) { - error(ts.Diagnostics.Unexpected_end_of_text); - isInvalidExtendedEscape = true; - } - else if (text.charCodeAt(pos) === 125 /* closeBrace */) { - // Only swallow the following character up if it's a '}'. - pos++; - } - else { - error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); - isInvalidExtendedEscape = true; - } - if (isInvalidExtendedEscape) { - return ""; - } - return utf16EncodeAsString(escapedValue); - } - // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec. - function utf16EncodeAsString(codePoint) { - ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); - if (codePoint <= 65535) { - return String.fromCharCode(codePoint); - } - var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; - var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; - return String.fromCharCode(codeUnit1, codeUnit2); - } - // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX' - // and return code point value if valid Unicode escape is found. Otherwise return -1. - function peekUnicodeEscape() { - if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* u */) { - var start_1 = pos; - pos += 2; - var value = scanExactNumberOfHexDigits(4); - pos = start_1; - return value; - } - return -1; - } - function scanIdentifierParts() { - var result = ""; - var start = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (isIdentifierPart(ch, languageVersion)) { - pos++; - } - else if (ch === 92 /* backslash */) { - ch = peekUnicodeEscape(); - if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { - break; - } - result += text.substring(start, pos); - result += String.fromCharCode(ch); - // Valid Unicode escape is always six characters - pos += 6; - start = pos; - } - else { - break; - } - } - result += text.substring(start, pos); - return result; - } - function getIdentifierToken() { - // Reserved words are between 2 and 11 characters long and start with a lowercase letter - var len = tokenValue.length; - if (len >= 2 && len <= 11) { - var ch = tokenValue.charCodeAt(0); - if (ch >= 97 /* a */ && ch <= 122 /* z */ && hasOwnProperty.call(textToToken, tokenValue)) { - return token = textToToken[tokenValue]; - } - } - return token = 69 /* Identifier */; - } - function scanBinaryOrOctalDigits(base) { - ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); - var value = 0; - // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b. - // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O. - var numberOfDigits = 0; - while (true) { - var ch = text.charCodeAt(pos); - var valueOfCh = ch - 48 /* _0 */; - if (!isDigit(ch) || valueOfCh >= base) { - break; - } - value = value * base + valueOfCh; - pos++; - numberOfDigits++; - } - // Invalid binaryIntegerLiteral or octalIntegerLiteral - if (numberOfDigits === 0) { - return -1; - } - return value; - } - function scan() { - startPos = pos; - hasExtendedUnicodeEscape = false; - precedingLineBreak = false; - tokenIsUnterminated = false; - while (true) { - tokenPos = pos; - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - var ch = text.charCodeAt(pos); - // Special handling for shebang - if (ch === 35 /* hash */ && pos === 0 && isShebangTrivia(text, pos)) { - pos = scanShebangTrivia(text, pos); - if (skipTrivia) { - continue; - } - else { - return token = 6 /* ShebangTrivia */; - } - } - switch (ch) { - case 10 /* lineFeed */: - case 13 /* carriageReturn */: - precedingLineBreak = true; - if (skipTrivia) { - pos++; - continue; - } - else { - if (ch === 13 /* carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* lineFeed */) { - // consume both CR and LF - pos += 2; - } - else { - pos++; - } - return token = 4 /* NewLineTrivia */; - } - case 9 /* tab */: - case 11 /* verticalTab */: - case 12 /* formFeed */: - case 32 /* space */: - if (skipTrivia) { - pos++; - continue; - } - else { - while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { - pos++; - } - return token = 5 /* WhitespaceTrivia */; - } - case 33 /* exclamation */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 33 /* ExclamationEqualsEqualsToken */; - } - return pos += 2, token = 31 /* ExclamationEqualsToken */; - } - pos++; - return token = 49 /* ExclamationToken */; - case 34 /* doubleQuote */: - case 39 /* singleQuote */: - tokenValue = scanString(); - return token = 9 /* StringLiteral */; - case 96 /* backtick */: - return token = scanTemplateAndSetTokenValue(); - case 37 /* percent */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 62 /* PercentEqualsToken */; - } - pos++; - return token = 40 /* PercentToken */; - case 38 /* ampersand */: - if (text.charCodeAt(pos + 1) === 38 /* ampersand */) { - return pos += 2, token = 51 /* AmpersandAmpersandToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 66 /* AmpersandEqualsToken */; - } - pos++; - return token = 46 /* AmpersandToken */; - case 40 /* openParen */: - pos++; - return token = 17 /* OpenParenToken */; - case 41 /* closeParen */: - pos++; - return token = 18 /* CloseParenToken */; - case 42 /* asterisk */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 59 /* AsteriskEqualsToken */; - } - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 60 /* AsteriskAsteriskEqualsToken */; - } - return pos += 2, token = 38 /* AsteriskAsteriskToken */; - } - pos++; - return token = 37 /* AsteriskToken */; - case 43 /* plus */: - if (text.charCodeAt(pos + 1) === 43 /* plus */) { - return pos += 2, token = 41 /* PlusPlusToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 57 /* PlusEqualsToken */; - } - pos++; - return token = 35 /* PlusToken */; - case 44 /* comma */: - pos++; - return token = 24 /* CommaToken */; - case 45 /* minus */: - if (text.charCodeAt(pos + 1) === 45 /* minus */) { - return pos += 2, token = 42 /* MinusMinusToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 58 /* MinusEqualsToken */; - } - pos++; - return token = 36 /* MinusToken */; - case 46 /* dot */: - if (isDigit(text.charCodeAt(pos + 1))) { - tokenValue = scanNumber(); - return token = 8 /* NumericLiteral */; - } - if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) { - return pos += 3, token = 22 /* DotDotDotToken */; - } - pos++; - return token = 21 /* DotToken */; - case 47 /* slash */: - // Single-line comment - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - while (pos < end) { - if (isLineBreak(text.charCodeAt(pos))) { - break; - } - pos++; - } - if (skipTrivia) { - continue; - } - else { - return token = 2 /* SingleLineCommentTrivia */; - } - } - // Multi-line comment - if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { - pos += 2; - var commentClosed = false; - while (pos < end) { - var ch_2 = text.charCodeAt(pos); - if (ch_2 === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - commentClosed = true; - break; - } - if (isLineBreak(ch_2)) { - precedingLineBreak = true; - } - pos++; - } - if (!commentClosed) { - error(ts.Diagnostics.Asterisk_Slash_expected); - } - if (skipTrivia) { - continue; - } - else { - tokenIsUnterminated = !commentClosed; - return token = 3 /* MultiLineCommentTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 61 /* SlashEqualsToken */; - } - pos++; - return token = 39 /* SlashToken */; - case 48 /* _0 */: - if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) { - pos += 2; - var value = scanMinimumNumberOfHexDigits(1); - if (value < 0) { - error(ts.Diagnostics.Hexadecimal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) { - pos += 2; - var value = scanBinaryOrOctalDigits(/* base */ 2); - if (value < 0) { - error(ts.Diagnostics.Binary_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) { - pos += 2; - var value = scanBinaryOrOctalDigits(/* base */ 8); - if (value < 0) { - error(ts.Diagnostics.Octal_digit_expected); - value = 0; - } - tokenValue = "" + value; - return token = 8 /* NumericLiteral */; - } - // Try to parse as an octal - if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { - tokenValue = "" + scanOctalDigits(); - return token = 8 /* NumericLiteral */; - } - // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero - // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being - // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do). - case 49 /* _1 */: - case 50 /* _2 */: - case 51 /* _3 */: - case 52 /* _4 */: - case 53 /* _5 */: - case 54 /* _6 */: - case 55 /* _7 */: - case 56 /* _8 */: - case 57 /* _9 */: - tokenValue = scanNumber(); - return token = 8 /* NumericLiteral */; - case 58 /* colon */: - pos++; - return token = 54 /* ColonToken */; - case 59 /* semicolon */: - pos++; - return token = 23 /* SemicolonToken */; - case 60 /* lessThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 60 /* lessThan */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 63 /* LessThanLessThanEqualsToken */; - } - return pos += 2, token = 43 /* LessThanLessThanToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 28 /* LessThanEqualsToken */; - } - if (languageVariant === 1 /* JSX */ && - text.charCodeAt(pos + 1) === 47 /* slash */ && - text.charCodeAt(pos + 2) !== 42 /* asterisk */) { - return pos += 2, token = 26 /* LessThanSlashToken */; - } - pos++; - return token = 25 /* LessThanToken */; - case 61 /* equals */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 32 /* EqualsEqualsEqualsToken */; - } - return pos += 2, token = 30 /* EqualsEqualsToken */; - } - if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { - return pos += 2, token = 34 /* EqualsGreaterThanToken */; - } - pos++; - return token = 56 /* EqualsToken */; - case 62 /* greaterThan */: - if (isConflictMarkerTrivia(text, pos)) { - pos = scanConflictMarkerTrivia(text, pos, error); - if (skipTrivia) { - continue; - } - else { - return token = 7 /* ConflictMarkerTrivia */; - } - } - pos++; - return token = 27 /* GreaterThanToken */; - case 63 /* question */: - pos++; - return token = 53 /* QuestionToken */; - case 91 /* openBracket */: - pos++; - return token = 19 /* OpenBracketToken */; - case 93 /* closeBracket */: - pos++; - return token = 20 /* CloseBracketToken */; - case 94 /* caret */: - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 68 /* CaretEqualsToken */; - } - pos++; - return token = 48 /* CaretToken */; - case 123 /* openBrace */: - pos++; - return token = 15 /* OpenBraceToken */; - case 124 /* bar */: - if (text.charCodeAt(pos + 1) === 124 /* bar */) { - return pos += 2, token = 52 /* BarBarToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 67 /* BarEqualsToken */; - } - pos++; - return token = 47 /* BarToken */; - case 125 /* closeBrace */: - pos++; - return token = 16 /* CloseBraceToken */; - case 126 /* tilde */: - pos++; - return token = 50 /* TildeToken */; - case 64 /* at */: - pos++; - return token = 55 /* AtToken */; - case 92 /* backslash */: - var cookedChar = peekUnicodeEscape(); - if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { - pos += 6; - tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); - return token = getIdentifierToken(); - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0 /* Unknown */; - default: - if (isIdentifierStart(ch, languageVersion)) { - pos++; - while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) - pos++; - tokenValue = text.substring(tokenPos, pos); - if (ch === 92 /* backslash */) { - tokenValue += scanIdentifierParts(); - } - return token = getIdentifierToken(); - } - else if (isWhiteSpace(ch)) { - pos++; - continue; - } - else if (isLineBreak(ch)) { - precedingLineBreak = true; - pos++; - continue; - } - error(ts.Diagnostics.Invalid_character); - pos++; - return token = 0 /* Unknown */; - } - } - } - function reScanGreaterToken() { - if (token === 27 /* GreaterThanToken */) { - if (text.charCodeAt(pos) === 62 /* greaterThan */) { - if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { - if (text.charCodeAt(pos + 2) === 61 /* equals */) { - return pos += 3, token = 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */; - } - return pos += 2, token = 45 /* GreaterThanGreaterThanGreaterThanToken */; - } - if (text.charCodeAt(pos + 1) === 61 /* equals */) { - return pos += 2, token = 64 /* GreaterThanGreaterThanEqualsToken */; - } - pos++; - return token = 44 /* GreaterThanGreaterThanToken */; - } - if (text.charCodeAt(pos) === 61 /* equals */) { - pos++; - return token = 29 /* GreaterThanEqualsToken */; - } - } - return token; - } - function reScanSlashToken() { - if (token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) { - var p = tokenPos + 1; - var inEscape = false; - var inCharacterClass = false; - while (true) { - // If we reach the end of a file, or hit a newline, then this is an unterminated - // regex. Report error and return what we have so far. - if (p >= end) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - var ch = text.charCodeAt(p); - if (isLineBreak(ch)) { - tokenIsUnterminated = true; - error(ts.Diagnostics.Unterminated_regular_expression_literal); - break; - } - if (inEscape) { - // Parsing an escape character; - // reset the flag and just advance to the next char. - inEscape = false; - } - else if (ch === 47 /* slash */ && !inCharacterClass) { - // A slash within a character class is permissible, - // but in general it signals the end of the regexp literal. - p++; - break; - } - else if (ch === 91 /* openBracket */) { - inCharacterClass = true; - } - else if (ch === 92 /* backslash */) { - inEscape = true; - } - else if (ch === 93 /* closeBracket */) { - inCharacterClass = false; - } - p++; - } - while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { - p++; - } - pos = p; - tokenValue = text.substring(tokenPos, pos); - token = 10 /* RegularExpressionLiteral */; - } - return token; - } - /** - * Unconditionally back up and scan a template expression portion. - */ - function reScanTemplateToken() { - ts.Debug.assert(token === 16 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'"); - pos = tokenPos; - return token = scanTemplateAndSetTokenValue(); - } - function reScanJsxToken() { - pos = tokenPos = startPos; - return token = scanJsxToken(); - } - function scanJsxToken() { - startPos = tokenPos = pos; - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - var char = text.charCodeAt(pos); - if (char === 60 /* lessThan */) { - if (text.charCodeAt(pos + 1) === 47 /* slash */) { - pos += 2; - return token = 26 /* LessThanSlashToken */; - } - pos++; - return token = 25 /* LessThanToken */; - } - if (char === 123 /* openBrace */) { - pos++; - return token = 15 /* OpenBraceToken */; - } - while (pos < end) { - pos++; - char = text.charCodeAt(pos); - if ((char === 123 /* openBrace */) || (char === 60 /* lessThan */)) { - break; - } - } - return token = 239 /* JsxText */; - } - // Scans a JSX identifier; these differ from normal identifiers in that - // they allow dashes - function scanJsxIdentifier() { - if (tokenIsIdentifierOrKeyword(token)) { - var firstCharPosition = pos; - while (pos < end) { - var ch = text.charCodeAt(pos); - if (ch === 45 /* minus */ || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { - pos++; - } - else { - break; - } - } - tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); - } - return token; - } - function scanJSDocToken() { - if (pos >= end) { - return token = 1 /* EndOfFileToken */; - } - startPos = pos; - // Eat leading whitespace - var ch = text.charCodeAt(pos); - while (pos < end) { - ch = text.charCodeAt(pos); - if (isWhiteSpace(ch)) { - pos++; - } - else { - break; - } - } - tokenPos = pos; - switch (ch) { - case 64 /* at */: - return pos += 1, token = 55 /* AtToken */; - case 10 /* lineFeed */: - case 13 /* carriageReturn */: - return pos += 1, token = 4 /* NewLineTrivia */; - case 42 /* asterisk */: - return pos += 1, token = 37 /* AsteriskToken */; - case 123 /* openBrace */: - return pos += 1, token = 15 /* OpenBraceToken */; - case 125 /* closeBrace */: - return pos += 1, token = 16 /* CloseBraceToken */; - case 91 /* openBracket */: - return pos += 1, token = 19 /* OpenBracketToken */; - case 93 /* closeBracket */: - return pos += 1, token = 20 /* CloseBracketToken */; - case 61 /* equals */: - return pos += 1, token = 56 /* EqualsToken */; - case 44 /* comma */: - return pos += 1, token = 24 /* CommaToken */; - } - if (isIdentifierStart(ch, 2 /* Latest */)) { - pos++; - while (isIdentifierPart(text.charCodeAt(pos), 2 /* Latest */) && pos < end) { - pos++; - } - return token = 69 /* Identifier */; - } - else { - return pos += 1, token = 0 /* Unknown */; - } - } - function speculationHelper(callback, isLookahead) { - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var saveTokenValue = tokenValue; - var savePrecedingLineBreak = precedingLineBreak; - var result = callback(); - // If our callback returned something 'falsy' or we're just looking ahead, - // then unconditionally restore us to where we were. - if (!result || isLookahead) { - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - tokenValue = saveTokenValue; - precedingLineBreak = savePrecedingLineBreak; - } - return result; - } - function scanRange(start, length, callback) { - var saveEnd = end; - var savePos = pos; - var saveStartPos = startPos; - var saveTokenPos = tokenPos; - var saveToken = token; - var savePrecedingLineBreak = precedingLineBreak; - var saveTokenValue = tokenValue; - var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; - var saveTokenIsUnterminated = tokenIsUnterminated; - setText(text, start, length); - var result = callback(); - end = saveEnd; - pos = savePos; - startPos = saveStartPos; - tokenPos = saveTokenPos; - token = saveToken; - precedingLineBreak = savePrecedingLineBreak; - tokenValue = saveTokenValue; - hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; - tokenIsUnterminated = saveTokenIsUnterminated; - return result; - } - function lookAhead(callback) { - return speculationHelper(callback, /*isLookahead*/ true); - } - function tryScan(callback) { - return speculationHelper(callback, /*isLookahead*/ false); - } - function setText(newText, start, length) { - text = newText || ""; - end = length === undefined ? text.length : start + length; - setTextPos(start || 0); - } - function setOnError(errorCallback) { - onError = errorCallback; - } - function setScriptTarget(scriptTarget) { - languageVersion = scriptTarget; - } - function setLanguageVariant(variant) { - languageVariant = variant; - } - function setTextPos(textPos) { - ts.Debug.assert(textPos >= 0); - pos = textPos; - startPos = textPos; - tokenPos = textPos; - token = 0 /* Unknown */; - precedingLineBreak = false; - tokenValue = undefined; - hasExtendedUnicodeEscape = false; - tokenIsUnterminated = false; - } - } - ts.createScanner = createScanner; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - function getDeclarationOfKind(symbol, kind) { - var declarations = symbol.declarations; - if (declarations) { - for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { - var declaration = declarations_1[_i]; - if (declaration.kind === kind) { - return declaration; - } - } - } - return undefined; - } - ts.getDeclarationOfKind = getDeclarationOfKind; - // Pool writers to avoid needing to allocate them for every symbol we write. - var stringWriters = []; - function getSingleLineStringWriter() { - if (stringWriters.length === 0) { - var str_1 = ""; - var writeText = function (text) { return str_1 += text; }; - return { - string: function () { return str_1; }, - writeKeyword: writeText, - writeOperator: writeText, - writePunctuation: writeText, - writeSpace: writeText, - writeStringLiteral: writeText, - writeParameter: writeText, - writeSymbol: writeText, - // Completely ignore indentation for string writers. And map newlines to - // a single space. - writeLine: function () { return str_1 += " "; }, - increaseIndent: function () { }, - decreaseIndent: function () { }, - clear: function () { return str_1 = ""; }, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - } - return stringWriters.pop(); - } - ts.getSingleLineStringWriter = getSingleLineStringWriter; - function releaseStringWriter(writer) { - writer.clear(); - stringWriters.push(writer); - } - ts.releaseStringWriter = releaseStringWriter; - function getFullWidth(node) { - return node.end - node.pos; - } - ts.getFullWidth = getFullWidth; - function arrayIsEqualTo(array1, array2, equaler) { - if (!array1 || !array2) { - return array1 === array2; - } - if (array1.length !== array2.length) { - return false; - } - for (var i = 0; i < array1.length; i++) { - var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; - if (!equals) { - return false; - } - } - return true; - } - ts.arrayIsEqualTo = arrayIsEqualTo; - function hasResolvedModule(sourceFile, moduleNameText) { - return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); - } - ts.hasResolvedModule = hasResolvedModule; - function getResolvedModule(sourceFile, moduleNameText) { - return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; - } - ts.getResolvedModule = getResolvedModule; - function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { - if (!sourceFile.resolvedModules) { - sourceFile.resolvedModules = {}; - } - sourceFile.resolvedModules[moduleNameText] = resolvedModule; - } - ts.setResolvedModule = setResolvedModule; - // Returns true if this node contains a parse error anywhere underneath it. - function containsParseError(node) { - aggregateChildData(node); - return (node.parserContextFlags & 64 /* ThisNodeOrAnySubNodesHasError */) !== 0; - } - ts.containsParseError = containsParseError; - function aggregateChildData(node) { - if (!(node.parserContextFlags & 128 /* HasAggregatedChildData */)) { - // A node is considered to contain a parse error if: - // a) the parser explicitly marked that it had an error - // b) any of it's children reported that it had an error. - var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16 /* ThisNodeHasError */) !== 0) || - ts.forEachChild(node, containsParseError); - // If so, mark ourselves accordingly. - if (thisNodeOrAnySubNodesHasError) { - node.parserContextFlags |= 64 /* ThisNodeOrAnySubNodesHasError */; - } - // Also mark that we've propogated the child information to this node. This way we can - // always consult the bit directly on this node without needing to check its children - // again. - node.parserContextFlags |= 128 /* HasAggregatedChildData */; - } - } - function getSourceFileOfNode(node) { - while (node && node.kind !== 251 /* SourceFile */) { - node = node.parent; - } - return node; - } - ts.getSourceFileOfNode = getSourceFileOfNode; - function isStatementWithLocals(node) { - switch (node.kind) { - case 195 /* Block */: - case 223 /* CaseBlock */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return true; - } - return false; - } - ts.isStatementWithLocals = isStatementWithLocals; - function getStartPositionOfLine(line, sourceFile) { - ts.Debug.assert(line >= 0); - return ts.getLineStarts(sourceFile)[line]; - } - ts.getStartPositionOfLine = getStartPositionOfLine; - // This is a useful function for debugging purposes. - function nodePosToString(node) { - var file = getSourceFileOfNode(node); - var loc = ts.getLineAndCharacterOfPosition(file, node.pos); - return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; - } - ts.nodePosToString = nodePosToString; - function getStartPosOfNode(node) { - return node.pos; - } - ts.getStartPosOfNode = getStartPosOfNode; - // Returns true if this node is missing from the actual source code. A 'missing' node is different - // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes - // in the tree), it is definitely missing. However, a node may be defined, but still be - // missing. This happens whenever the parser knows it needs to parse something, but can't - // get anything in the source code that it expects at that location. For example: - // - // let a: ; - // - // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source - // code). So the parser will attempt to parse out a type, and will create an actual node. - // However, this node will be 'missing' in the sense that no actual source-code/tokens are - // contained within it. - function nodeIsMissing(node) { - if (!node) { - return true; - } - return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* EndOfFileToken */; - } - ts.nodeIsMissing = nodeIsMissing; - function nodeIsPresent(node) { - return !nodeIsMissing(node); - } - ts.nodeIsPresent = nodeIsPresent; - function getTokenPosOfNode(node, sourceFile) { - // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't* - // want to skip trivia because this will launch us forward to the next token. - if (nodeIsMissing(node)) { - return node.pos; - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); - } - ts.getTokenPosOfNode = getTokenPosOfNode; - function getNonDecoratorTokenPosOfNode(node, sourceFile) { - if (nodeIsMissing(node) || !node.decorators) { - return getTokenPosOfNode(node, sourceFile); - } - return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); - } - ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; - function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - if (nodeIsMissing(node)) { - return ""; - } - var text = sourceFile.text; - return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); - } - ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; - function getTextOfNodeFromSourceText(sourceText, node) { - if (nodeIsMissing(node)) { - return ""; - } - return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); - } - ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; - function getTextOfNode(node, includeTrivia) { - if (includeTrivia === void 0) { includeTrivia = false; } - return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); - } - ts.getTextOfNode = getTextOfNode; - // Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' - function escapeIdentifier(identifier) { - return identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier; - } - ts.escapeIdentifier = escapeIdentifier; - // Remove extra underscore from escaped identifier - function unescapeIdentifier(identifier) { - return identifier.length >= 3 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ && identifier.charCodeAt(2) === 95 /* _ */ ? identifier.substr(1) : identifier; - } - ts.unescapeIdentifier = unescapeIdentifier; - // Make an identifier from an external module name by extracting the string after the last "/" and replacing - // all non-alphanumeric characters with underscores - function makeIdentifierFromModuleName(moduleName) { - return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); - } - ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; - function isBlockOrCatchScoped(declaration) { - return (getCombinedNodeFlags(declaration) & 24576 /* BlockScoped */) !== 0 || - isCatchClauseVariableDeclaration(declaration); - } - ts.isBlockOrCatchScoped = isBlockOrCatchScoped; - function isAmbientModule(node) { - return node && node.kind === 221 /* ModuleDeclaration */ && - (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); - } - ts.isAmbientModule = isAmbientModule; - function isBlockScopedContainerTopLevel(node) { - return node.kind === 251 /* SourceFile */ || - node.kind === 221 /* ModuleDeclaration */ || - isFunctionLike(node) || - isFunctionBlock(node); - } - ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; - function isGlobalScopeAugmentation(module) { - return !!(module.flags & 2097152 /* GlobalAugmentation */); - } - ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; - function isExternalModuleAugmentation(node) { - // external module augmentation is a ambient module declaration that is either: - // - defined in the top level scope and source file is an external module - // - defined inside ambient module declaration located in the top level scope and source file not an external module - if (!node || !isAmbientModule(node)) { - return false; - } - switch (node.parent.kind) { - case 251 /* SourceFile */: - return isExternalModule(node.parent); - case 222 /* ModuleBlock */: - return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); - } - return false; - } - ts.isExternalModuleAugmentation = isExternalModuleAugmentation; - // Gets the nearest enclosing block scope container that has the provided node - // as a descendant, that is not the provided node. - function getEnclosingBlockScopeContainer(node) { - var current = node.parent; - while (current) { - if (isFunctionLike(current)) { - return current; - } - switch (current.kind) { - case 251 /* SourceFile */: - case 223 /* CaseBlock */: - case 247 /* CatchClause */: - case 221 /* ModuleDeclaration */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return current; - case 195 /* Block */: - // function block is not considered block-scope container - // see comment in binder.ts: bind(...), case for SyntaxKind.Block - if (!isFunctionLike(current.parent)) { - return current; - } - } - current = current.parent; - } - } - ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; - function isCatchClauseVariableDeclaration(declaration) { - return declaration && - declaration.kind === 214 /* VariableDeclaration */ && - declaration.parent && - declaration.parent.kind === 247 /* CatchClause */; - } - ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; - // Return display name of an identifier - // Computed property names will just be emitted as "[]", where is the source - // text of the expression in the computed property. - function declarationNameToString(name) { - return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); - } - ts.declarationNameToString = declarationNameToString; - function createDiagnosticForNode(node, message, arg0, arg1, arg2) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); - } - ts.createDiagnosticForNode = createDiagnosticForNode; - function createDiagnosticForNodeFromMessageChain(node, messageChain) { - var sourceFile = getSourceFileOfNode(node); - var span = getErrorSpanForNode(sourceFile, node); - return { - file: sourceFile, - start: span.start, - length: span.length, - code: messageChain.code, - category: messageChain.category, - messageText: messageChain.next ? messageChain : messageChain.messageText - }; - } - ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; - function getSpanOfTokenAtPosition(sourceFile, pos) { - var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos); - scanner.scan(); - var start = scanner.getTokenPos(); - return ts.createTextSpanFromBounds(start, scanner.getTextPos()); - } - ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; - function getErrorSpanForNode(sourceFile, node) { - var errorNode = node; - switch (node.kind) { - case 251 /* SourceFile */: - var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false); - if (pos_1 === sourceFile.text.length) { - // file is empty - return span for the beginning of the file - return ts.createTextSpan(0, 0); - } - return getSpanOfTokenAtPosition(sourceFile, pos_1); - // This list is a work in progress. Add missing node kinds to improve their error - // spans. - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 219 /* TypeAliasDeclaration */: - errorNode = node.name; - break; - } - if (errorNode === undefined) { - // If we don't have a better node, then just set the error on the first token of - // construct. - return getSpanOfTokenAtPosition(sourceFile, node.pos); - } - var pos = nodeIsMissing(errorNode) - ? errorNode.pos - : ts.skipTrivia(sourceFile.text, errorNode.pos); - return ts.createTextSpanFromBounds(pos, errorNode.end); - } - ts.getErrorSpanForNode = getErrorSpanForNode; - function isExternalModule(file) { - return file.externalModuleIndicator !== undefined; - } - ts.isExternalModule = isExternalModule; - function isExternalOrCommonJsModule(file) { - return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; - } - ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; - function isDeclarationFile(file) { - return (file.flags & 4096 /* DeclarationFile */) !== 0; - } - ts.isDeclarationFile = isDeclarationFile; - function isConstEnumDeclaration(node) { - return node.kind === 220 /* EnumDeclaration */ && isConst(node); - } - ts.isConstEnumDeclaration = isConstEnumDeclaration; - function walkUpBindingElementsAndPatterns(node) { - while (node && (node.kind === 166 /* BindingElement */ || isBindingPattern(node))) { - node = node.parent; - } - return node; - } - // Returns the node flags for this node and all relevant parent nodes. This is done so that - // nodes like variable declarations and binding elements can returned a view of their flags - // that includes the modifiers from their container. i.e. flags like export/declare aren't - // stored on the variable declaration directly, but on the containing variable statement - // (if it has one). Similarly, flags for let/const are store on the variable declaration - // list. By calling this function, all those flags are combined so that the client can treat - // the node as if it actually had those flags. - function getCombinedNodeFlags(node) { - node = walkUpBindingElementsAndPatterns(node); - var flags = node.flags; - if (node.kind === 214 /* VariableDeclaration */) { - node = node.parent; - } - if (node && node.kind === 215 /* VariableDeclarationList */) { - flags |= node.flags; - node = node.parent; - } - if (node && node.kind === 196 /* VariableStatement */) { - flags |= node.flags; - } - return flags; - } - ts.getCombinedNodeFlags = getCombinedNodeFlags; - function isConst(node) { - return !!(getCombinedNodeFlags(node) & 16384 /* Const */); - } - ts.isConst = isConst; - function isLet(node) { - return !!(getCombinedNodeFlags(node) & 8192 /* Let */); - } - ts.isLet = isLet; - function isSuperCallExpression(n) { - return n.kind === 171 /* CallExpression */ && n.expression.kind === 95 /* SuperKeyword */; - } - ts.isSuperCallExpression = isSuperCallExpression; - function isPrologueDirective(node) { - return node.kind === 198 /* ExpressionStatement */ && node.expression.kind === 9 /* StringLiteral */; - } - ts.isPrologueDirective = isPrologueDirective; - function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { - return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); - } - ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; - function getLeadingCommentRangesOfNodeFromText(node, text) { - return ts.getLeadingCommentRanges(text, node.pos); - } - ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; - function getJsDocComments(node, sourceFileOfNode) { - return getJsDocCommentsFromText(node, sourceFileOfNode.text); - } - ts.getJsDocComments = getJsDocComments; - function getJsDocCommentsFromText(node, text) { - var commentRanges = (node.kind === 139 /* Parameter */ || node.kind === 138 /* TypeParameter */) ? - ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : - getLeadingCommentRangesOfNodeFromText(node, text); - return ts.filter(commentRanges, isJsDocComment); - function isJsDocComment(comment) { - // True if the comment starts with '/**' but not if it is '/**/' - return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 3) !== 47 /* slash */; - } - } - ts.getJsDocCommentsFromText = getJsDocCommentsFromText; - ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; - ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; - function isTypeNode(node) { - if (151 /* FirstTypeNode */ <= node.kind && node.kind <= 163 /* LastTypeNode */) { - return true; - } - switch (node.kind) { - case 117 /* AnyKeyword */: - case 128 /* NumberKeyword */: - case 130 /* StringKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - return true; - case 103 /* VoidKeyword */: - return node.parent.kind !== 180 /* VoidExpression */; - case 191 /* ExpressionWithTypeArguments */: - return !isExpressionWithTypeArgumentsInClassExtendsClause(node); - // Identifiers and qualified names may be type nodes, depending on their context. Climb - // above them to find the lowest container - case 69 /* Identifier */: - // If the identifier is the RHS of a qualified name, then it's a type iff its parent is. - if (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) { - node = node.parent; - } - else if (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node) { - node = node.parent; - } - // At this point, node is either a qualified name or an identifier - ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); - case 136 /* QualifiedName */: - case 169 /* PropertyAccessExpression */: - case 97 /* ThisKeyword */: - var parent_1 = node.parent; - if (parent_1.kind === 155 /* TypeQuery */) { - return false; - } - // Do not recursively call isTypeNode on the parent. In the example: - // - // let a: A.B.C; - // - // Calling isTypeNode would consider the qualified name A.B a type node. Only C or - // A.B.C is a type node. - if (151 /* FirstTypeNode */ <= parent_1.kind && parent_1.kind <= 163 /* LastTypeNode */) { - return true; - } - switch (parent_1.kind) { - case 191 /* ExpressionWithTypeArguments */: - return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); - case 138 /* TypeParameter */: - return node === parent_1.constraint; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 139 /* Parameter */: - case 214 /* VariableDeclaration */: - return node === parent_1.type; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 145 /* Constructor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return node === parent_1.type; - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return node === parent_1.type; - case 174 /* TypeAssertionExpression */: - return node === parent_1.type; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; - case 173 /* TaggedTemplateExpression */: - // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments. - return false; - } - } - return false; - } - ts.isTypeNode = isTypeNode; - // Warning: This has the same semantics as the forEach family of functions, - // in that traversal terminates in the event that 'visitor' supplies a truthy value. - function forEachReturnStatement(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 207 /* ReturnStatement */: - return visitor(node); - case 223 /* CaseBlock */: - case 195 /* Block */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - case 210 /* LabeledStatement */: - case 212 /* TryStatement */: - case 247 /* CatchClause */: - return ts.forEachChild(node, traverse); - } - } - } - ts.forEachReturnStatement = forEachReturnStatement; - function forEachYieldExpression(body, visitor) { - return traverse(body); - function traverse(node) { - switch (node.kind) { - case 187 /* YieldExpression */: - visitor(node); - var operand = node.expression; - if (operand) { - traverse(operand); - } - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // These are not allowed inside a generator now, but eventually they may be allowed - // as local types. Regardless, any yield statements contained within them should be - // skipped in this traversal. - return; - default: - if (isFunctionLike(node)) { - var name_5 = node.name; - if (name_5 && name_5.kind === 137 /* ComputedPropertyName */) { - // Note that we will not include methods/accessors of a class because they would require - // first descending into the class. This is by design. - traverse(name_5.expression); - return; - } - } - else if (!isTypeNode(node)) { - // This is the general case, which should include mostly expressions and statements. - // Also includes NodeArrays. - ts.forEachChild(node, traverse); - } - } - } - } - ts.forEachYieldExpression = forEachYieldExpression; - function isVariableLike(node) { - if (node) { - switch (node.kind) { - case 166 /* BindingElement */: - case 250 /* EnumMember */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 249 /* ShorthandPropertyAssignment */: - case 214 /* VariableDeclaration */: - return true; - } - } - return false; - } - ts.isVariableLike = isVariableLike; - function isAccessor(node) { - return node && (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */); - } - ts.isAccessor = isAccessor; - function isClassLike(node) { - return node && (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */); - } - ts.isClassLike = isClassLike; - function isFunctionLike(node) { - return node && isFunctionLikeKind(node.kind); - } - ts.isFunctionLike = isFunctionLike; - function isFunctionLikeKind(kind) { - switch (kind) { - case 145 /* Constructor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return true; - } - } - ts.isFunctionLikeKind = isFunctionLikeKind; - function introducesArgumentsExoticObject(node) { - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - return true; - } - return false; - } - ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; - function isIterationStatement(node, lookInLabeledStatements) { - switch (node.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - return true; - case 210 /* LabeledStatement */: - return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); - } - return false; - } - ts.isIterationStatement = isIterationStatement; - function isFunctionBlock(node) { - return node && node.kind === 195 /* Block */ && isFunctionLike(node.parent); - } - ts.isFunctionBlock = isFunctionBlock; - function isObjectLiteralMethod(node) { - return node && node.kind === 144 /* MethodDeclaration */ && node.parent.kind === 168 /* ObjectLiteralExpression */; - } - ts.isObjectLiteralMethod = isObjectLiteralMethod; - function isIdentifierTypePredicate(predicate) { - return predicate && predicate.kind === 1 /* Identifier */; - } - ts.isIdentifierTypePredicate = isIdentifierTypePredicate; - function isThisTypePredicate(predicate) { - return predicate && predicate.kind === 0 /* This */; - } - ts.isThisTypePredicate = isThisTypePredicate; - function getContainingFunction(node) { - while (true) { - node = node.parent; - if (!node || isFunctionLike(node)) { - return node; - } - } - } - ts.getContainingFunction = getContainingFunction; - function getContainingClass(node) { - while (true) { - node = node.parent; - if (!node || isClassLike(node)) { - return node; - } - } - } - ts.getContainingClass = getContainingClass; - function getThisContainer(node, includeArrowFunctions) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 137 /* ComputedPropertyName */: - // If the grandparent node is an object literal (as opposed to a class), - // then the computed property is not a 'this' container. - // A computed property name in a class needs to be a this container - // so that we can error on it. - if (isClassLike(node.parent.parent)) { - return node; - } - // If this is a computed property, then the parent should not - // make it a this container. The parent might be a property - // in an object literal, like a method or accessor. But in order for - // such a parent to be a this container, the reference must be in - // the *body* of the container. - node = node.parent; - break; - case 140 /* Decorator */: - // Decorators are always applied outside of the body of a class or method. - if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { - // If the decorator's parent is a Parameter, we resolve the this container from - // the grandparent class declaration. - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - // If the decorator's parent is a class element, we resolve the 'this' container - // from the parent class declaration. - node = node.parent; - } - break; - case 177 /* ArrowFunction */: - if (!includeArrowFunctions) { - continue; - } - // Fall through - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 221 /* ModuleDeclaration */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 220 /* EnumDeclaration */: - case 251 /* SourceFile */: - return node; - } - } - } - ts.getThisContainer = getThisContainer; - /** - * Given an super call\property node returns a closest node where either - * - super call\property is legal in the node and not legal in the parent node the node. - * i.e. super call is legal in constructor but not legal in the class body. - * - node is arrow function (so caller might need to call getSuperContainer in case it needs to climb higher) - * - super call\property is definitely illegal in the node (but might be legal in some subnode) - * i.e. super property access is illegal in function declaration but can be legal in the statement list - */ - function getSuperContainer(node, stopOnFunctions) { - while (true) { - node = node.parent; - if (!node) { - return node; - } - switch (node.kind) { - case 137 /* ComputedPropertyName */: - node = node.parent; - break; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!stopOnFunctions) { - continue; - } - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return node; - case 140 /* Decorator */: - // Decorators are always applied outside of the body of a class or method. - if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { - // If the decorator's parent is a Parameter, we resolve the this container from - // the grandparent class declaration. - node = node.parent.parent; - } - else if (isClassElement(node.parent)) { - // If the decorator's parent is a class element, we resolve the 'this' container - // from the parent class declaration. - node = node.parent; - } - break; - } - } - } - ts.getSuperContainer = getSuperContainer; - /** - * Determines whether a node is a property or element access expression for super. - */ - function isSuperPropertyOrElementAccess(node) { - return (node.kind === 169 /* PropertyAccessExpression */ - || node.kind === 170 /* ElementAccessExpression */) - && node.expression.kind === 95 /* SuperKeyword */; - } - ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; - function getEntityNameFromTypeNode(node) { - if (node) { - switch (node.kind) { - case 152 /* TypeReference */: - return node.typeName; - case 191 /* ExpressionWithTypeArguments */: - return node.expression; - case 69 /* Identifier */: - case 136 /* QualifiedName */: - return node; - } - } - return undefined; - } - ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; - function getInvokedExpression(node) { - if (node.kind === 173 /* TaggedTemplateExpression */) { - return node.tag; - } - // Will either be a CallExpression, NewExpression, or Decorator. - return node.expression; - } - ts.getInvokedExpression = getInvokedExpression; - function nodeCanBeDecorated(node) { - switch (node.kind) { - case 217 /* ClassDeclaration */: - // classes are valid targets - return true; - case 142 /* PropertyDeclaration */: - // property declarations are valid if their parent is a class declaration. - return node.parent.kind === 217 /* ClassDeclaration */; - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 144 /* MethodDeclaration */: - // if this method has a body and its parent is a class declaration, this is a valid target. - return node.body !== undefined - && node.parent.kind === 217 /* ClassDeclaration */; - case 139 /* Parameter */: - // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target; - return node.parent.body !== undefined - && (node.parent.kind === 145 /* Constructor */ - || node.parent.kind === 144 /* MethodDeclaration */ - || node.parent.kind === 147 /* SetAccessor */) - && node.parent.parent.kind === 217 /* ClassDeclaration */; - } - return false; - } - ts.nodeCanBeDecorated = nodeCanBeDecorated; - function nodeIsDecorated(node) { - return node.decorators !== undefined - && nodeCanBeDecorated(node); - } - ts.nodeIsDecorated = nodeIsDecorated; - function isPropertyAccessExpression(node) { - return node.kind === 169 /* PropertyAccessExpression */; - } - ts.isPropertyAccessExpression = isPropertyAccessExpression; - function isElementAccessExpression(node) { - return node.kind === 170 /* ElementAccessExpression */; - } - ts.isElementAccessExpression = isElementAccessExpression; - function isExpression(node) { - switch (node.kind) { - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - case 10 /* RegularExpressionLiteral */: - case 167 /* ArrayLiteralExpression */: - case 168 /* ObjectLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 173 /* TaggedTemplateExpression */: - case 192 /* AsExpression */: - case 174 /* TypeAssertionExpression */: - case 175 /* ParenthesizedExpression */: - case 176 /* FunctionExpression */: - case 189 /* ClassExpression */: - case 177 /* ArrowFunction */: - case 180 /* VoidExpression */: - case 178 /* DeleteExpression */: - case 179 /* TypeOfExpression */: - case 182 /* PrefixUnaryExpression */: - case 183 /* PostfixUnaryExpression */: - case 184 /* BinaryExpression */: - case 185 /* ConditionalExpression */: - case 188 /* SpreadElementExpression */: - case 186 /* TemplateExpression */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 190 /* OmittedExpression */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 187 /* YieldExpression */: - case 181 /* AwaitExpression */: - return true; - case 136 /* QualifiedName */: - while (node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return node.parent.kind === 155 /* TypeQuery */; - case 69 /* Identifier */: - if (node.parent.kind === 155 /* TypeQuery */) { - return true; - } - // fall through - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 97 /* ThisKeyword */: - var parent_2 = node.parent; - switch (parent_2.kind) { - case 214 /* VariableDeclaration */: - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 250 /* EnumMember */: - case 248 /* PropertyAssignment */: - case 166 /* BindingElement */: - return parent_2.initializer === node; - case 198 /* ExpressionStatement */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 207 /* ReturnStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 211 /* ThrowStatement */: - case 209 /* SwitchStatement */: - return parent_2.expression === node; - case 202 /* ForStatement */: - var forStatement = parent_2; - return (forStatement.initializer === node && forStatement.initializer.kind !== 215 /* VariableDeclarationList */) || - forStatement.condition === node || - forStatement.incrementor === node; - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - var forInStatement = parent_2; - return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215 /* VariableDeclarationList */) || - forInStatement.expression === node; - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return node === parent_2.expression; - case 193 /* TemplateSpan */: - return node === parent_2.expression; - case 137 /* ComputedPropertyName */: - return node === parent_2.expression; - case 140 /* Decorator */: - case 243 /* JsxExpression */: - case 242 /* JsxSpreadAttribute */: - return true; - case 191 /* ExpressionWithTypeArguments */: - return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); - default: - if (isExpression(parent_2)) { - return true; - } - } - } - return false; - } - ts.isExpression = isExpression; - function isExternalModuleNameRelative(moduleName) { - // TypeScript 1.0 spec (April 2014): 11.2.1 - // An external module name is "relative" if the first term is "." or "..". - return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; - } - ts.isExternalModuleNameRelative = isExternalModuleNameRelative; - function isInstantiatedModule(node, preserveConstEnums) { - var moduleState = ts.getModuleInstanceState(node); - return moduleState === 1 /* Instantiated */ || - (preserveConstEnums && moduleState === 2 /* ConstEnumOnly */); - } - ts.isInstantiatedModule = isInstantiatedModule; - function isExternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 235 /* ExternalModuleReference */; - } - ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; - function getExternalModuleImportEqualsDeclarationExpression(node) { - ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); - return node.moduleReference.expression; - } - ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; - function isInternalModuleImportEqualsDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind !== 235 /* ExternalModuleReference */; - } - ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; - function isSourceFileJavaScript(file) { - return isInJavaScriptFile(file); - } - ts.isSourceFileJavaScript = isSourceFileJavaScript; - function isInJavaScriptFile(node) { - return node && !!(node.parserContextFlags & 32 /* JavaScriptFile */); - } - ts.isInJavaScriptFile = isInJavaScriptFile; - /** - * Returns true if the node is a CallExpression to the identifier 'require' with - * exactly one argument. - * This function does not test if the node is in a JavaScript file or not. - */ - function isRequireCall(expression, checkArgumentIsStringLiteral) { - // of the form 'require("name")' - var isRequire = expression.kind === 171 /* CallExpression */ && - expression.expression.kind === 69 /* Identifier */ && - expression.expression.text === "require" && - expression.arguments.length === 1; - return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9 /* StringLiteral */); - } - ts.isRequireCall = isRequireCall; - /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property - /// assignments we treat as special in the binder - function getSpecialPropertyAssignmentKind(expression) { - if (expression.kind !== 184 /* BinaryExpression */) { - return 0 /* None */; - } - var expr = expression; - if (expr.operatorToken.kind !== 56 /* EqualsToken */ || expr.left.kind !== 169 /* PropertyAccessExpression */) { - return 0 /* None */; - } - var lhs = expr.left; - if (lhs.expression.kind === 69 /* Identifier */) { - var lhsId = lhs.expression; - if (lhsId.text === "exports") { - // exports.name = expr - return 1 /* ExportsProperty */; - } - else if (lhsId.text === "module" && lhs.name.text === "exports") { - // module.exports = expr - return 2 /* ModuleExports */; - } - } - else if (lhs.expression.kind === 97 /* ThisKeyword */) { - return 4 /* ThisProperty */; - } - else if (lhs.expression.kind === 169 /* PropertyAccessExpression */) { - // chained dot, e.g. x.y.z = expr; this var is the 'x.y' part - var innerPropertyAccess = lhs.expression; - if (innerPropertyAccess.expression.kind === 69 /* Identifier */ && innerPropertyAccess.name.text === "prototype") { - return 3 /* PrototypeProperty */; - } - } - return 0 /* None */; - } - ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; - function getExternalModuleName(node) { - if (node.kind === 225 /* ImportDeclaration */) { - return node.moduleSpecifier; - } - if (node.kind === 224 /* ImportEqualsDeclaration */) { - var reference = node.moduleReference; - if (reference.kind === 235 /* ExternalModuleReference */) { - return reference.expression; - } - } - if (node.kind === 231 /* ExportDeclaration */) { - return node.moduleSpecifier; - } - if (node.kind === 221 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { - return node.name; - } - } - ts.getExternalModuleName = getExternalModuleName; - function hasQuestionToken(node) { - if (node) { - switch (node.kind) { - case 139 /* Parameter */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 249 /* ShorthandPropertyAssignment */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return node.questionToken !== undefined; - } - } - return false; - } - ts.hasQuestionToken = hasQuestionToken; - function isJSDocConstructSignature(node) { - return node.kind === 264 /* JSDocFunctionType */ && - node.parameters.length > 0 && - node.parameters[0].type.kind === 266 /* JSDocConstructorType */; - } - ts.isJSDocConstructSignature = isJSDocConstructSignature; - function getJSDocTag(node, kind, checkParentVariableStatement) { - if (!node) { - return undefined; - } - var jsDocComment = getJSDocComment(node, checkParentVariableStatement); - if (!jsDocComment) { - return undefined; - } - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === kind) { - return tag; - } - } - } - function getJSDocComment(node, checkParentVariableStatement) { - if (node.jsDocComment) { - return node.jsDocComment; - } - // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement. - // /** - // * @param {number} name - // * @returns {number} - // */ - // var x = function(name) { return name.length; } - if (checkParentVariableStatement) { - var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 /* VariableDeclaration */ && - node.parent.initializer === node && - node.parent.parent.parent.kind === 196 /* VariableStatement */; - var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; - if (variableStatementNode) { - return variableStatementNode.jsDocComment; - } - // Also recognize when the node is the RHS of an assignment expression - var parent_3 = node.parent; - var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && - parent_3.kind === 184 /* BinaryExpression */ && - parent_3.operatorToken.kind === 56 /* EqualsToken */ && - parent_3.parent.kind === 198 /* ExpressionStatement */; - if (isSourceOfAssignmentExpressionStatement) { - return parent_3.parent.jsDocComment; - } - var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248 /* PropertyAssignment */; - if (isPropertyAssignmentExpression) { - return parent_3.jsDocComment; - } - } - return undefined; - } - function getJSDocTypeTag(node) { - return getJSDocTag(node, 272 /* JSDocTypeTag */, /*checkParentVariableStatement*/ false); - } - ts.getJSDocTypeTag = getJSDocTypeTag; - function getJSDocReturnTag(node) { - return getJSDocTag(node, 271 /* JSDocReturnTag */, /*checkParentVariableStatement*/ true); - } - ts.getJSDocReturnTag = getJSDocReturnTag; - function getJSDocTemplateTag(node) { - return getJSDocTag(node, 273 /* JSDocTemplateTag */, /*checkParentVariableStatement*/ false); - } - ts.getJSDocTemplateTag = getJSDocTemplateTag; - function getCorrespondingJSDocParameterTag(parameter) { - if (parameter.name && parameter.name.kind === 69 /* Identifier */) { - // If it's a parameter, see if the parent has a jsdoc comment with an @param - // annotation. - var parameterName = parameter.name.text; - var jsDocComment = getJSDocComment(parameter.parent, /*checkParentVariableStatement*/ true); - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.kind === 270 /* JSDocParameterTag */) { - var parameterTag = tag; - var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; - if (name_6.text === parameterName) { - return parameterTag; - } - } - } - } - } - return undefined; - } - ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; - function hasRestParameter(s) { - return isRestParameter(ts.lastOrUndefined(s.parameters)); - } - ts.hasRestParameter = hasRestParameter; - function isRestParameter(node) { - if (node) { - if (node.parserContextFlags & 32 /* JavaScriptFile */) { - if (node.type && node.type.kind === 265 /* JSDocVariadicType */) { - return true; - } - var paramTag = getCorrespondingJSDocParameterTag(node); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 265 /* JSDocVariadicType */; - } - } - return node.dotDotDotToken !== undefined; - } - return false; - } - ts.isRestParameter = isRestParameter; - function isLiteralKind(kind) { - return 8 /* FirstLiteralToken */ <= kind && kind <= 11 /* LastLiteralToken */; - } - ts.isLiteralKind = isLiteralKind; - function isTextualLiteralKind(kind) { - return kind === 9 /* StringLiteral */ || kind === 11 /* NoSubstitutionTemplateLiteral */; - } - ts.isTextualLiteralKind = isTextualLiteralKind; - function isTemplateLiteralKind(kind) { - return 11 /* FirstTemplateToken */ <= kind && kind <= 14 /* LastTemplateToken */; - } - ts.isTemplateLiteralKind = isTemplateLiteralKind; - function isBindingPattern(node) { - return !!node && (node.kind === 165 /* ArrayBindingPattern */ || node.kind === 164 /* ObjectBindingPattern */); - } - ts.isBindingPattern = isBindingPattern; - function isNodeDescendentOf(node, ancestor) { - while (node) { - if (node === ancestor) - return true; - node = node.parent; - } - return false; - } - ts.isNodeDescendentOf = isNodeDescendentOf; - function isInAmbientContext(node) { - while (node) { - if (node.flags & (4 /* Ambient */ | 4096 /* DeclarationFile */)) { - return true; - } - node = node.parent; - } - return false; - } - ts.isInAmbientContext = isInAmbientContext; - function isDeclaration(node) { - switch (node.kind) { - case 177 /* ArrowFunction */: - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 145 /* Constructor */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 233 /* ExportSpecifier */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 146 /* GetAccessor */: - case 226 /* ImportClause */: - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 218 /* InterfaceDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 221 /* ModuleDeclaration */: - case 227 /* NamespaceImport */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 147 /* SetAccessor */: - case 249 /* ShorthandPropertyAssignment */: - case 219 /* TypeAliasDeclaration */: - case 138 /* TypeParameter */: - case 214 /* VariableDeclaration */: - return true; - } - return false; - } - ts.isDeclaration = isDeclaration; - function isStatement(n) { - switch (n.kind) { - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - case 213 /* DebuggerStatement */: - case 200 /* DoStatement */: - case 198 /* ExpressionStatement */: - case 197 /* EmptyStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 199 /* IfStatement */: - case 210 /* LabeledStatement */: - case 207 /* ReturnStatement */: - case 209 /* SwitchStatement */: - case 211 /* ThrowStatement */: - case 212 /* TryStatement */: - case 196 /* VariableStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 230 /* ExportAssignment */: - return true; - default: - return false; - } - } - ts.isStatement = isStatement; - function isClassElement(n) { - switch (n.kind) { - case 145 /* Constructor */: - case 142 /* PropertyDeclaration */: - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - return true; - default: - return false; - } - } - ts.isClassElement = isClassElement; - // True if the given identifier, string literal, or number literal is the name of a declaration node - function isDeclarationName(name) { - if (name.kind !== 69 /* Identifier */ && name.kind !== 9 /* StringLiteral */ && name.kind !== 8 /* NumericLiteral */) { - return false; - } - var parent = name.parent; - if (parent.kind === 229 /* ImportSpecifier */ || parent.kind === 233 /* ExportSpecifier */) { - if (parent.propertyName) { - return true; - } - } - if (isDeclaration(parent)) { - return parent.name === name; - } - return false; - } - ts.isDeclarationName = isDeclarationName; - // Return true if the given identifier is classified as an IdentifierName - function isIdentifierName(node) { - var parent = node.parent; - switch (parent.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 250 /* EnumMember */: - case 248 /* PropertyAssignment */: - case 169 /* PropertyAccessExpression */: - // Name in member declaration or property name in property access - return parent.name === node; - case 136 /* QualifiedName */: - // Name on right hand side of dot in a type query - if (parent.right === node) { - while (parent.kind === 136 /* QualifiedName */) { - parent = parent.parent; - } - return parent.kind === 155 /* TypeQuery */; - } - return false; - case 166 /* BindingElement */: - case 229 /* ImportSpecifier */: - // Property name in binding element or import specifier - return parent.propertyName === node; - case 233 /* ExportSpecifier */: - // Any name in an export specifier - return true; - } - return false; - } - ts.isIdentifierName = isIdentifierName; - // An alias symbol is created by one of the following declarations: - // import = ... - // import from ... - // import * as from ... - // import { x as } from ... - // export { x as } from ... - // export = ... - // export default ... - function isAliasSymbolDeclaration(node) { - return node.kind === 224 /* ImportEqualsDeclaration */ || - node.kind === 226 /* ImportClause */ && !!node.name || - node.kind === 227 /* NamespaceImport */ || - node.kind === 229 /* ImportSpecifier */ || - node.kind === 233 /* ExportSpecifier */ || - node.kind === 230 /* ExportAssignment */ && node.expression.kind === 69 /* Identifier */; - } - ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; - function getClassExtendsHeritageClauseElement(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); - return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; - } - ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; - function getClassImplementsHeritageClauseElements(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 106 /* ImplementsKeyword */); - return heritageClause ? heritageClause.types : undefined; - } - ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; - function getInterfaceBaseTypeNodes(node) { - var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); - return heritageClause ? heritageClause.types : undefined; - } - ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; - function getHeritageClause(clauses, kind) { - if (clauses) { - for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { - var clause = clauses_1[_i]; - if (clause.token === kind) { - return clause; - } - } - } - return undefined; - } - ts.getHeritageClause = getHeritageClause; - function tryResolveScriptReference(host, sourceFile, reference) { - if (!host.getCompilerOptions().noResolve) { - var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); - return host.getSourceFile(referenceFileName); - } - } - ts.tryResolveScriptReference = tryResolveScriptReference; - function getAncestor(node, kind) { - while (node) { - if (node.kind === kind) { - return node; - } - node = node.parent; - } - return undefined; - } - ts.getAncestor = getAncestor; - function getFileReferenceFromReferencePath(comment, commentRange) { - var simpleReferenceRegEx = /^\/\/\/\s*/gim; - if (simpleReferenceRegEx.test(comment)) { - if (isNoDefaultLibRegEx.test(comment)) { - return { - isNoDefaultLib: true - }; - } - else { - var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); - if (matchResult) { - var start = commentRange.pos; - var end = commentRange.end; - return { - fileReference: { - pos: start, - end: end, - fileName: matchResult[3] - }, - isNoDefaultLib: false - }; - } - else { - return { - diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, - isNoDefaultLib: false - }; - } - } - } - return undefined; - } - ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; - function isKeyword(token) { - return 70 /* FirstKeyword */ <= token && token <= 135 /* LastKeyword */; - } - ts.isKeyword = isKeyword; - function isTrivia(token) { - return 2 /* FirstTriviaToken */ <= token && token <= 7 /* LastTriviaToken */; - } - ts.isTrivia = isTrivia; - function isAsyncFunctionLike(node) { - return isFunctionLike(node) && (node.flags & 256 /* Async */) !== 0 && !isAccessor(node); - } - ts.isAsyncFunctionLike = isAsyncFunctionLike; - function isStringOrNumericLiteral(kind) { - return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */; - } - ts.isStringOrNumericLiteral = isStringOrNumericLiteral; - /** - * A declaration has a dynamic name if both of the following are true: - * 1. The declaration has a computed property name - * 2. The computed name is *not* expressed as Symbol., where name - * is a property of the Symbol constructor that denotes a built in - * Symbol. - */ - function hasDynamicName(declaration) { - return declaration.name && isDynamicName(declaration.name); - } - ts.hasDynamicName = hasDynamicName; - function isDynamicName(name) { - return name.kind === 137 /* ComputedPropertyName */ && - !isStringOrNumericLiteral(name.expression.kind) && - !isWellKnownSymbolSyntactically(name.expression); - } - ts.isDynamicName = isDynamicName; - /** - * Checks if the expression is of the form: - * Symbol.name - * where Symbol is literally the word "Symbol", and name is any identifierName - */ - function isWellKnownSymbolSyntactically(node) { - return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); - } - ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; - function getPropertyNameForPropertyNameNode(name) { - if (name.kind === 69 /* Identifier */ || name.kind === 9 /* StringLiteral */ || name.kind === 8 /* NumericLiteral */) { - return name.text; - } - if (name.kind === 137 /* ComputedPropertyName */) { - var nameExpression = name.expression; - if (isWellKnownSymbolSyntactically(nameExpression)) { - var rightHandSideName = nameExpression.name.text; - return getPropertyNameForKnownSymbolName(rightHandSideName); - } - } - return undefined; - } - ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; - function getPropertyNameForKnownSymbolName(symbolName) { - return "__@" + symbolName; - } - ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; - /** - * Includes the word "Symbol" with unicode escapes - */ - function isESSymbolIdentifier(node) { - return node.kind === 69 /* Identifier */ && node.text === "Symbol"; - } - ts.isESSymbolIdentifier = isESSymbolIdentifier; - function isModifierKind(token) { - switch (token) { - case 115 /* AbstractKeyword */: - case 118 /* AsyncKeyword */: - case 74 /* ConstKeyword */: - case 122 /* DeclareKeyword */: - case 77 /* DefaultKeyword */: - case 82 /* ExportKeyword */: - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - return true; - } - return false; - } - ts.isModifierKind = isModifierKind; - function isParameterDeclaration(node) { - var root = getRootDeclaration(node); - return root.kind === 139 /* Parameter */; - } - ts.isParameterDeclaration = isParameterDeclaration; - function getRootDeclaration(node) { - while (node.kind === 166 /* BindingElement */) { - node = node.parent.parent; - } - return node; - } - ts.getRootDeclaration = getRootDeclaration; - function nodeStartsNewLexicalEnvironment(n) { - return isFunctionLike(n) || n.kind === 221 /* ModuleDeclaration */ || n.kind === 251 /* SourceFile */; - } - ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; - /** - * Creates a shallow, memberwise clone of a node. The "kind", "pos", "end", "flags", and "parent" - * properties are excluded by default, and can be provided via the "location", "flags", and - * "parent" parameters. - * @param node The node to clone. - * @param location An optional TextRange to use to supply the new position. - * @param flags The NodeFlags to use for the cloned node. - * @param parent The parent for the new node. - */ - function cloneNode(node, location, flags, parent) { - // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of - // the original node. We also need to exclude specific properties and only include own- - // properties (to skip members already defined on the shared prototype). - var clone = location !== undefined - ? ts.createNode(node.kind, location.pos, location.end) - : createSynthesizedNode(node.kind); - for (var key in node) { - if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { - continue; - } - clone[key] = node[key]; - } - if (flags !== undefined) { - clone.flags = flags; - } - if (parent !== undefined) { - clone.parent = parent; - } - return clone; - } - ts.cloneNode = cloneNode; - /** - * Creates a deep clone of an EntityName, with new parent pointers. - * @param node The EntityName to clone. - * @param parent The parent for the cloned node. - */ - function cloneEntityName(node, parent) { - var clone = cloneNode(node, node, node.flags, parent); - if (isQualifiedName(clone)) { - var left = clone.left, right = clone.right; - clone.left = cloneEntityName(left, clone); - clone.right = cloneNode(right, right, right.flags, parent); - } - return clone; - } - ts.cloneEntityName = cloneEntityName; - function isQualifiedName(node) { - return node.kind === 136 /* QualifiedName */; - } - ts.isQualifiedName = isQualifiedName; - function nodeIsSynthesized(node) { - return node.pos === -1; - } - ts.nodeIsSynthesized = nodeIsSynthesized; - function createSynthesizedNode(kind, startsOnNewLine) { - var node = ts.createNode(kind, /* pos */ -1, /* end */ -1); - node.startsOnNewLine = startsOnNewLine; - return node; - } - ts.createSynthesizedNode = createSynthesizedNode; - function createSynthesizedNodeArray() { - var array = []; - array.pos = -1; - array.end = -1; - return array; - } - ts.createSynthesizedNodeArray = createSynthesizedNodeArray; - function createDiagnosticCollection() { - var nonFileDiagnostics = []; - var fileDiagnostics = {}; - var diagnosticsModified = false; - var modificationCount = 0; - return { - add: add, - getGlobalDiagnostics: getGlobalDiagnostics, - getDiagnostics: getDiagnostics, - getModificationCount: getModificationCount, - reattachFileDiagnostics: reattachFileDiagnostics - }; - function getModificationCount() { - return modificationCount; - } - function reattachFileDiagnostics(newFile) { - if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { - return; - } - for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { - var diagnostic = _a[_i]; - diagnostic.file = newFile; - } - } - function add(diagnostic) { - var diagnostics; - if (diagnostic.file) { - diagnostics = fileDiagnostics[diagnostic.file.fileName]; - if (!diagnostics) { - diagnostics = []; - fileDiagnostics[diagnostic.file.fileName] = diagnostics; - } - } - else { - diagnostics = nonFileDiagnostics; - } - diagnostics.push(diagnostic); - diagnosticsModified = true; - modificationCount++; - } - function getGlobalDiagnostics() { - sortAndDeduplicate(); - return nonFileDiagnostics; - } - function getDiagnostics(fileName) { - sortAndDeduplicate(); - if (fileName) { - return fileDiagnostics[fileName] || []; - } - var allDiagnostics = []; - function pushDiagnostic(d) { - allDiagnostics.push(d); - } - ts.forEach(nonFileDiagnostics, pushDiagnostic); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - ts.forEach(fileDiagnostics[key], pushDiagnostic); - } - } - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function sortAndDeduplicate() { - if (!diagnosticsModified) { - return; - } - diagnosticsModified = false; - nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); - for (var key in fileDiagnostics) { - if (ts.hasProperty(fileDiagnostics, key)) { - fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); - } - } - } - } - ts.createDiagnosticCollection = createDiagnosticCollection; - // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator, - // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in - // the language service. These characters should be escaped when printing, and if any characters are added, - // the map below must be updated. Note that this regexp *does not* include the 'delete' character. - // There is no reason for this other than that JSON.stringify does not handle it either. - var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; - var escapedCharsMap = { - "\0": "\\0", - "\t": "\\t", - "\v": "\\v", - "\f": "\\f", - "\b": "\\b", - "\r": "\\r", - "\n": "\\n", - "\\": "\\\\", - "\"": "\\\"", - "\u2028": "\\u2028", - "\u2029": "\\u2029", - "\u0085": "\\u0085" // nextLine - }; - /** - * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2), - * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine) - * Note that this doesn't actually wrap the input in double quotes. - */ - function escapeString(s) { - s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; - return s; - function getReplacement(c) { - return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); - } - } - ts.escapeString = escapeString; - function isIntrinsicJsxName(name) { - var ch = name.substr(0, 1); - return ch.toLowerCase() === ch; - } - ts.isIntrinsicJsxName = isIntrinsicJsxName; - function get16BitUnicodeEscapeSequence(charCode) { - var hexCharCode = charCode.toString(16).toUpperCase(); - var paddedHexCode = ("0000" + hexCharCode).slice(-4); - return "\\u" + paddedHexCode; - } - var nonAsciiCharacters = /[^\u0000-\u007F]/g; - function escapeNonAsciiCharacters(s) { - // Replace non-ASCII characters with '\uNNNN' escapes if any exist. - // Otherwise just return the original string. - return nonAsciiCharacters.test(s) ? - s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : - s; - } - ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; - var indentStrings = ["", " "]; - function getIndentString(level) { - if (indentStrings[level] === undefined) { - indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; - } - return indentStrings[level]; - } - ts.getIndentString = getIndentString; - function getIndentSize() { - return indentStrings[1].length; - } - ts.getIndentSize = getIndentSize; - function createTextWriter(newLine) { - var output; - var indent; - var lineStart; - var lineCount; - var linePos; - function write(s) { - if (s && s.length) { - if (lineStart) { - output += getIndentString(indent); - lineStart = false; - } - output += s; - } - } - function reset() { - output = ""; - indent = 0; - lineStart = true; - lineCount = 0; - linePos = 0; - } - function rawWrite(s) { - if (s !== undefined) { - if (lineStart) { - lineStart = false; - } - output += s; - } - } - function writeLiteral(s) { - if (s && s.length) { - write(s); - var lineStartsOfS = ts.computeLineStarts(s); - if (lineStartsOfS.length > 1) { - lineCount = lineCount + lineStartsOfS.length - 1; - linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); - } - } - } - function writeLine() { - if (!lineStart) { - output += newLine; - lineCount++; - linePos = output.length; - lineStart = true; - } - } - function writeTextOfNode(text, node) { - write(getTextOfNodeFromSourceText(text, node)); - } - reset(); - return { - write: write, - rawWrite: rawWrite, - writeTextOfNode: writeTextOfNode, - writeLiteral: writeLiteral, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - getIndent: function () { return indent; }, - getTextPos: function () { return output.length; }, - getLine: function () { return lineCount + 1; }, - getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, - getText: function () { return output; }, - reset: reset - }; - } - ts.createTextWriter = createTextWriter; - /** - * Resolves a local path to a path which is absolute to the base of the emit - */ - function getExternalModuleNameFromPath(host, fileName) { - var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; - var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); - var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); - var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false); - return ts.removeFileExtension(relativePath); - } - ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; - function getOwnEmitOutputFilePath(sourceFile, host, extension) { - var compilerOptions = host.getCompilerOptions(); - var emitOutputFilePathWithoutExtension; - if (compilerOptions.outDir) { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); - } - else { - emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); - } - return emitOutputFilePathWithoutExtension + extension; - } - ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; - function getEmitScriptTarget(compilerOptions) { - return compilerOptions.target || 0 /* ES3 */; - } - ts.getEmitScriptTarget = getEmitScriptTarget; - function getEmitModuleKind(compilerOptions) { - return typeof compilerOptions.module === "number" ? - compilerOptions.module : - getEmitScriptTarget(compilerOptions) === 2 /* ES6 */ ? 5 /* ES6 */ : 1 /* CommonJS */; - } - ts.getEmitModuleKind = getEmitModuleKind; - function forEachExpectedEmitFile(host, action, targetSourceFile) { - var options = host.getCompilerOptions(); - // Emit on each source file - if (options.outFile || options.out) { - onBundledEmit(host); - } - else { - var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; - for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { - var sourceFile = sourceFiles_1[_i]; - if (!isDeclarationFile(sourceFile)) { - onSingleFileEmit(host, sourceFile); - } - } - } - function onSingleFileEmit(host, sourceFile) { - // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also. - // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve. - // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve - var extension = ".js"; - if (options.jsx === 1 /* Preserve */) { - if (isSourceFileJavaScript(sourceFile)) { - if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { - extension = ".jsx"; - } - } - else if (sourceFile.languageVariant === 1 /* JSX */) { - // TypeScript source file preserving JSX syntax - extension = ".jsx"; - } - } - var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined - }; - action(emitFileNames, [sourceFile], /*isBundledEmit*/ false); - } - function onBundledEmit(host) { - // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified - var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && - (!isExternalModule(sourceFile) || - (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); // module that can emit - note falsy value from getEmitModuleKind means the module kind that shouldn't be emitted - if (bundledSources.length) { - var jsFilePath = options.outFile || options.out; - var emitFileNames = { - jsFilePath: jsFilePath, - sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), - declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) - }; - action(emitFileNames, bundledSources, /*isBundledEmit*/ true); - } - } - function getSourceMapFilePath(jsFilePath, options) { - return options.sourceMap ? jsFilePath + ".map" : undefined; - } - function getDeclarationEmitFilePath(jsFilePath, options) { - return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; - } - } - ts.forEachExpectedEmitFile = forEachExpectedEmitFile; - function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { - var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); - sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); - return ts.combinePaths(newDirPath, sourceFilePath); - } - ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; - function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { - host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { - diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); - }); - } - ts.writeFile = writeFile; - function getLineOfLocalPosition(currentSourceFile, pos) { - return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; - } - ts.getLineOfLocalPosition = getLineOfLocalPosition; - function getLineOfLocalPositionFromLineMap(lineMap, pos) { - return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; - } - ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; - function getFirstConstructorWithBody(node) { - return ts.forEach(node.members, function (member) { - if (member.kind === 145 /* Constructor */ && nodeIsPresent(member.body)) { - return member; - } - }); - } - ts.getFirstConstructorWithBody = getFirstConstructorWithBody; - function getSetAccessorTypeAnnotationNode(accessor) { - return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; - } - ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; - function getAllAccessorDeclarations(declarations, accessor) { - var firstAccessor; - var secondAccessor; - var getAccessor; - var setAccessor; - if (hasDynamicName(accessor)) { - firstAccessor = accessor; - if (accessor.kind === 146 /* GetAccessor */) { - getAccessor = accessor; - } - else if (accessor.kind === 147 /* SetAccessor */) { - setAccessor = accessor; - } - else { - ts.Debug.fail("Accessor has wrong kind"); - } - } - else { - ts.forEach(declarations, function (member) { - if ((member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) - && (member.flags & 64 /* Static */) === (accessor.flags & 64 /* Static */)) { - var memberName = getPropertyNameForPropertyNameNode(member.name); - var accessorName = getPropertyNameForPropertyNameNode(accessor.name); - if (memberName === accessorName) { - if (!firstAccessor) { - firstAccessor = member; - } - else if (!secondAccessor) { - secondAccessor = member; - } - if (member.kind === 146 /* GetAccessor */ && !getAccessor) { - getAccessor = member; - } - if (member.kind === 147 /* SetAccessor */ && !setAccessor) { - setAccessor = member; - } - } - } - }); - } - return { - firstAccessor: firstAccessor, - secondAccessor: secondAccessor, - getAccessor: getAccessor, - setAccessor: setAccessor - }; - } - ts.getAllAccessorDeclarations = getAllAccessorDeclarations; - function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { - // If the leading comments start on different line than the start of node, write new line - if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && - getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { - writer.writeLine(); - } - } - ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; - function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { - var emitLeadingSpace = !trailingSeparator; - ts.forEach(comments, function (comment) { - if (emitLeadingSpace) { - writer.write(" "); - emitLeadingSpace = false; - } - writeComment(text, lineMap, writer, comment, newLine); - if (comment.hasTrailingNewLine) { - writer.writeLine(); - } - else if (trailingSeparator) { - writer.write(" "); - } - else { - // Emit leading space to separate comment during next comment emit - emitLeadingSpace = true; - } - }); - } - ts.emitComments = emitComments; - /** - * Detached comment is a comment at the top of file or function body that is separated from - * the next statement by space. - */ - function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { - var leadingComments; - var currentDetachedCommentInfo; - if (removeComments) { - // removeComments is true, only reserve pinned comment at the top of file - // For example: - // /*! Pinned Comment */ - // - // var x = 10; - if (node.pos === 0) { - leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); - } - } - else { - // removeComments is false, just get detached as normal and bypass the process to filter comment - leadingComments = ts.getLeadingCommentRanges(text, node.pos); - } - if (leadingComments) { - var detachedComments = []; - var lastComment = void 0; - for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { - var comment = leadingComments_1[_i]; - if (lastComment) { - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); - var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); - if (commentLine >= lastCommentLine + 2) { - // There was a blank line between the last comment and this comment. This - // comment is not part of the copyright comments. Return what we have so - // far. - break; - } - } - detachedComments.push(comment); - lastComment = comment; - } - if (detachedComments.length) { - // All comments look like they could have been part of the copyright header. Make - // sure there is at least one blank line between it and the node. If not, it's not - // a copyright header. - var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); - var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); - if (nodeLine >= lastCommentLine + 2) { - // Valid detachedComments - emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); - emitComments(text, lineMap, writer, detachedComments, /*trailingSeparator*/ true, newLine, writeComment); - currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; - } - } - } - return currentDetachedCommentInfo; - function isPinnedComment(comment) { - return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && - text.charCodeAt(comment.pos + 2) === 33 /* exclamation */; - } - } - ts.emitDetachedComments = emitDetachedComments; - function writeCommentRange(text, lineMap, writer, comment, newLine) { - if (text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) { - var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); - var lineCount = lineMap.length; - var firstCommentLineIndent = void 0; - for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { - var nextLineStart = (currentLine + 1) === lineCount - ? text.length + 1 - : lineMap[currentLine + 1]; - if (pos !== comment.pos) { - // If we are not emitting first line, we need to write the spaces to adjust the alignment - if (firstCommentLineIndent === undefined) { - firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); - } - // These are number of spaces writer is going to write at current indent - var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); - // Number of spaces we want to be writing - // eg: Assume writer indent - // module m { - // /* starts at character 9 this is line 1 - // * starts at character pos 4 line --1 = 8 - 8 + 3 - // More left indented comment */ --2 = 8 - 8 + 2 - // class c { } - // } - // module m { - // /* this is line 1 -- Assume current writer indent 8 - // * line --3 = 8 - 4 + 5 - // More right indented comment */ --4 = 8 - 4 + 11 - // class c { } - // } - var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); - if (spacesToEmit > 0) { - var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); - var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); - // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces - writer.rawWrite(indentSizeSpaceString); - // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces) - while (numberOfSingleSpacesToEmit) { - writer.rawWrite(" "); - numberOfSingleSpacesToEmit--; - } - } - else { - // No spaces to emit write empty string - writer.rawWrite(""); - } - } - // Write the comment line text - writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); - pos = nextLineStart; - } - } - else { - // Single line comment of style //.... - writer.write(text.substring(comment.pos, comment.end)); - } - } - ts.writeCommentRange = writeCommentRange; - function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { - var end = Math.min(comment.end, nextLineStart - 1); - var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); - if (currentLineText) { - // trimmed forward and ending spaces text - writer.write(currentLineText); - if (end !== comment.end) { - writer.writeLine(); - } - } - else { - // Empty string - make sure we write empty line - writer.writeLiteral(newLine); - } - } - function calculateIndent(text, pos, end) { - var currentLineIndent = 0; - for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { - if (text.charCodeAt(pos) === 9 /* tab */) { - // Tabs = TabSize = indent size and go to next tabStop - currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); - } - else { - // Single space - currentLineIndent++; - } - } - return currentLineIndent; - } - function modifierToFlag(token) { - switch (token) { - case 113 /* StaticKeyword */: return 64 /* Static */; - case 112 /* PublicKeyword */: return 8 /* Public */; - case 111 /* ProtectedKeyword */: return 32 /* Protected */; - case 110 /* PrivateKeyword */: return 16 /* Private */; - case 115 /* AbstractKeyword */: return 128 /* Abstract */; - case 82 /* ExportKeyword */: return 2 /* Export */; - case 122 /* DeclareKeyword */: return 4 /* Ambient */; - case 74 /* ConstKeyword */: return 16384 /* Const */; - case 77 /* DefaultKeyword */: return 512 /* Default */; - case 118 /* AsyncKeyword */: return 256 /* Async */; - } - return 0; - } - ts.modifierToFlag = modifierToFlag; - function isLeftHandSideExpression(expr) { - if (expr) { - switch (expr.kind) { - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 172 /* NewExpression */: - case 171 /* CallExpression */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 173 /* TaggedTemplateExpression */: - case 167 /* ArrayLiteralExpression */: - case 175 /* ParenthesizedExpression */: - case 168 /* ObjectLiteralExpression */: - case 189 /* ClassExpression */: - case 176 /* FunctionExpression */: - case 69 /* Identifier */: - case 10 /* RegularExpressionLiteral */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 186 /* TemplateExpression */: - case 84 /* FalseKeyword */: - case 93 /* NullKeyword */: - case 97 /* ThisKeyword */: - case 99 /* TrueKeyword */: - case 95 /* SuperKeyword */: - return true; - } - } - return false; - } - ts.isLeftHandSideExpression = isLeftHandSideExpression; - function isAssignmentOperator(token) { - return token >= 56 /* FirstAssignment */ && token <= 68 /* LastAssignment */; - } - ts.isAssignmentOperator = isAssignmentOperator; - function isExpressionWithTypeArgumentsInClassExtendsClause(node) { - return node.kind === 191 /* ExpressionWithTypeArguments */ && - node.parent.token === 83 /* ExtendsKeyword */ && - isClassLike(node.parent.parent); - } - ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; - // Returns false if this heritage clause element's expression contains something unsupported - // (i.e. not a name or dotted name). - function isSupportedExpressionWithTypeArguments(node) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; - function isSupportedExpressionWithTypeArgumentsRest(node) { - if (node.kind === 69 /* Identifier */) { - return true; - } - else if (isPropertyAccessExpression(node)) { - return isSupportedExpressionWithTypeArgumentsRest(node.expression); - } - else { - return false; - } - } - function isRightSideOfQualifiedNameOrPropertyAccess(node) { - return (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) || - (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node); - } - ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; - function isEmptyObjectLiteralOrArrayLiteral(expression) { - var kind = expression.kind; - if (kind === 168 /* ObjectLiteralExpression */) { - return expression.properties.length === 0; - } - if (kind === 167 /* ArrayLiteralExpression */) { - return expression.elements.length === 0; - } - return false; - } - ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; - function getLocalSymbolForExportDefault(symbol) { - return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512 /* Default */) ? symbol.valueDeclaration.localSymbol : undefined; - } - ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; - function hasJavaScriptFileExtension(fileName) { - return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); - } - ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; - /** - * Replace each instance of non-ascii characters by one, two, three, or four escape sequences - * representing the UTF-8 encoding of the character, and return the expanded char code list. - */ - function getExpandedCharCodes(input) { - var output = []; - var length = input.length; - for (var i = 0; i < length; i++) { - var charCode = input.charCodeAt(i); - // handel utf8 - if (charCode < 0x80) { - output.push(charCode); - } - else if (charCode < 0x800) { - output.push((charCode >> 6) | 192); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x10000) { - output.push((charCode >> 12) | 224); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else if (charCode < 0x20000) { - output.push((charCode >> 18) | 240); - output.push(((charCode >> 12) & 63) | 128); - output.push(((charCode >> 6) & 63) | 128); - output.push((charCode & 63) | 128); - } - else { - ts.Debug.assert(false, "Unexpected code point"); - } - } - return output; - } - /** - * Serialize an object graph into a JSON string. This is intended only for use on an acyclic graph - * as the fallback implementation does not check for circular references by default. - */ - ts.stringify = typeof JSON !== "undefined" && JSON.stringify - ? JSON.stringify - : stringifyFallback; - /** - * Serialize an object graph into a JSON string. - */ - function stringifyFallback(value) { - // JSON.stringify returns `undefined` here, instead of the string "undefined". - return value === undefined ? undefined : stringifyValue(value); - } - function stringifyValue(value) { - return typeof value === "string" ? "\"" + escapeString(value) + "\"" - : typeof value === "number" ? isFinite(value) ? String(value) : "null" - : typeof value === "boolean" ? value ? "true" : "false" - : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) - : "null"; - } - function cycleCheck(cb, value) { - ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); - value.__cycle = true; - var result = cb(value); - delete value.__cycle; - return result; - } - function stringifyArray(value) { - return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; - } - function stringifyElement(memo, value) { - return (memo ? memo + "," : memo) + stringifyValue(value); - } - function stringifyObject(value) { - return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; - } - function stringifyProperty(memo, value, key) { - return value === undefined || typeof value === "function" || key === "__cycle" ? memo - : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); - } - var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - /** - * Converts a string to a base-64 encoded ASCII string. - */ - function convertToBase64(input) { - var result = ""; - var charCodes = getExpandedCharCodes(input); - var i = 0; - var length = charCodes.length; - var byte1, byte2, byte3, byte4; - while (i < length) { - // Convert every 6-bits in the input 3 character points - // into a base64 digit - byte1 = charCodes[i] >> 2; - byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; - byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; - byte4 = charCodes[i + 2] & 63; - // We are out of characters in the input, set the extra - // digits to 64 (padding character). - if (i + 1 >= length) { - byte3 = byte4 = 64; - } - else if (i + 2 >= length) { - byte4 = 64; - } - // Write to the ouput - result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); - i += 3; - } - return result; - } - ts.convertToBase64 = convertToBase64; - function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { - return !ts.isRootedDiskPath(absoluteOrRelativePath) - ? absoluteOrRelativePath - : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /* isAbsolutePathAnUrl */ false); - } - ts.convertToRelativePath = convertToRelativePath; - var carriageReturnLineFeed = "\r\n"; - var lineFeed = "\n"; - function getNewLineCharacter(options) { - if (options.newLine === 0 /* CarriageReturnLineFeed */) { - return carriageReturnLineFeed; - } - else if (options.newLine === 1 /* LineFeed */) { - return lineFeed; - } - else if (ts.sys) { - return ts.sys.newLine; - } - return carriageReturnLineFeed; - } - ts.getNewLineCharacter = getNewLineCharacter; -})(ts || (ts = {})); -var ts; -(function (ts) { - function getDefaultLibFileName(options) { - return options.target === 2 /* ES6 */ ? "lib.es6.d.ts" : "lib.d.ts"; - } - ts.getDefaultLibFileName = getDefaultLibFileName; - function textSpanEnd(span) { - return span.start + span.length; - } - ts.textSpanEnd = textSpanEnd; - function textSpanIsEmpty(span) { - return span.length === 0; - } - ts.textSpanIsEmpty = textSpanIsEmpty; - function textSpanContainsPosition(span, position) { - return position >= span.start && position < textSpanEnd(span); - } - ts.textSpanContainsPosition = textSpanContainsPosition; - // Returns true if 'span' contains 'other'. - function textSpanContainsTextSpan(span, other) { - return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); - } - ts.textSpanContainsTextSpan = textSpanContainsTextSpan; - function textSpanOverlapsWith(span, other) { - var overlapStart = Math.max(span.start, other.start); - var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); - return overlapStart < overlapEnd; - } - ts.textSpanOverlapsWith = textSpanOverlapsWith; - function textSpanOverlap(span1, span2) { - var overlapStart = Math.max(span1.start, span2.start); - var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (overlapStart < overlapEnd) { - return createTextSpanFromBounds(overlapStart, overlapEnd); - } - return undefined; - } - ts.textSpanOverlap = textSpanOverlap; - function textSpanIntersectsWithTextSpan(span, other) { - return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; - } - ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; - function textSpanIntersectsWith(span, start, length) { - var end = start + length; - return start <= textSpanEnd(span) && end >= span.start; - } - ts.textSpanIntersectsWith = textSpanIntersectsWith; - function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { - var end1 = start1 + length1; - var end2 = start2 + length2; - return start2 <= end1 && end2 >= start1; - } - ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; - function textSpanIntersectsWithPosition(span, position) { - return position <= textSpanEnd(span) && position >= span.start; - } - ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; - function textSpanIntersection(span1, span2) { - var intersectStart = Math.max(span1.start, span2.start); - var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); - if (intersectStart <= intersectEnd) { - return createTextSpanFromBounds(intersectStart, intersectEnd); - } - return undefined; - } - ts.textSpanIntersection = textSpanIntersection; - function createTextSpan(start, length) { - if (start < 0) { - throw new Error("start < 0"); - } - if (length < 0) { - throw new Error("length < 0"); - } - return { start: start, length: length }; - } - ts.createTextSpan = createTextSpan; - function createTextSpanFromBounds(start, end) { - return createTextSpan(start, end - start); - } - ts.createTextSpanFromBounds = createTextSpanFromBounds; - function textChangeRangeNewSpan(range) { - return createTextSpan(range.span.start, range.newLength); - } - ts.textChangeRangeNewSpan = textChangeRangeNewSpan; - function textChangeRangeIsUnchanged(range) { - return textSpanIsEmpty(range.span) && range.newLength === 0; - } - ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; - function createTextChangeRange(span, newLength) { - if (newLength < 0) { - throw new Error("newLength < 0"); - } - return { span: span, newLength: newLength }; - } - ts.createTextChangeRange = createTextChangeRange; - ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); - /** - * Called to merge all the changes that occurred across several versions of a script snapshot - * into a single change. i.e. if a user keeps making successive edits to a script we will - * have a text change from V1 to V2, V2 to V3, ..., Vn. - * - * This function will then merge those changes into a single change range valid between V1 and - * Vn. - */ - function collapseTextChangeRangesAcrossMultipleVersions(changes) { - if (changes.length === 0) { - return ts.unchangedTextChangeRange; - } - if (changes.length === 1) { - return changes[0]; - } - // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd } - // as it makes things much easier to reason about. - var change0 = changes[0]; - var oldStartN = change0.span.start; - var oldEndN = textSpanEnd(change0.span); - var newEndN = oldStartN + change0.newLength; - for (var i = 1; i < changes.length; i++) { - var nextChange = changes[i]; - // Consider the following case: - // i.e. two edits. The first represents the text change range { { 10, 50 }, 30 }. i.e. The span starting - // at 10, with length 50 is reduced to length 30. The second represents the text change range { { 30, 30 }, 40 }. - // i.e. the span starting at 30 with length 30 is increased to length 40. - // - // 0 10 20 30 40 50 60 70 80 90 100 - // ------------------------------------------------------------------------------------------------------- - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ------------------------------------------------------------------------------------------------------- - // | \ - // | \ - // T2 | \ - // | \ - // | \ - // ------------------------------------------------------------------------------------------------------- - // - // Merging these turns out to not be too difficult. First, determining the new start of the change is trivial - // it's just the min of the old and new starts. i.e.: - // - // 0 10 20 30 40 50 60 70 80 90 100 - // ------------------------------------------------------------*------------------------------------------ - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ----------------------------------------$-------------------$------------------------------------------ - // . | \ - // . | \ - // T2 . | \ - // . | \ - // . | \ - // ----------------------------------------------------------------------*-------------------------------- - // - // (Note the dots represent the newly inferrred start. - // Determining the new and old end is also pretty simple. Basically it boils down to paying attention to the - // absolute positions at the asterixes, and the relative change between the dollar signs. Basically, we see - // which if the two $'s precedes the other, and we move that one forward until they line up. in this case that - // means: - // - // 0 10 20 30 40 50 60 70 80 90 100 - // --------------------------------------------------------------------------------*---------------------- - // | / - // | /---- - // T1 | /---- - // | /---- - // | /---- - // ------------------------------------------------------------$------------------------------------------ - // . | \ - // . | \ - // T2 . | \ - // . | \ - // . | \ - // ----------------------------------------------------------------------*-------------------------------- - // - // In other words (in this case), we're recognizing that the second edit happened after where the first edit - // ended with a delta of 20 characters (60 - 40). Thus, if we go back in time to where the first edit started - // that's the same as if we started at char 80 instead of 60. - // - // As it so happens, the same logic applies if the second edit precedes the first edit. In that case rahter - // than pusing the first edit forward to match the second, we'll push the second edit forward to match the - // first. - // - // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange - // semantics: { { start: 10, length: 70 }, newLength: 60 } - // - // The math then works out as follows. - // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the - // final result like so: - // - // { - // oldStart3: Min(oldStart1, oldStart2), - // oldEnd3 : Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)), - // newEnd3 : Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)) - // } - var oldStart1 = oldStartN; - var oldEnd1 = oldEndN; - var newEnd1 = newEndN; - var oldStart2 = nextChange.span.start; - var oldEnd2 = textSpanEnd(nextChange.span); - var newEnd2 = oldStart2 + nextChange.newLength; - oldStartN = Math.min(oldStart1, oldStart2); - oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); - newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); - } - return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength:*/ newEndN - oldStartN); - } - ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; - function getTypeParameterOwner(d) { - if (d && d.kind === 138 /* TypeParameter */) { - for (var current = d; current; current = current.parent) { - if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218 /* InterfaceDeclaration */) { - return current; - } - } - } - } - ts.getTypeParameterOwner = getTypeParameterOwner; - function isParameterPropertyDeclaration(node) { - return node.flags & 56 /* AccessibilityModifier */ && node.parent.kind === 145 /* Constructor */ && ts.isClassLike(node.parent.parent); - } - ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; -})(ts || (ts = {})); -/// -/// -var ts; -(function (ts) { - /* @internal */ ts.parseTime = 0; - var NodeConstructor; - var SourceFileConstructor; - function createNode(kind, pos, end) { - if (kind === 251 /* SourceFile */) { - return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); - } - else { - return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); - } - } - ts.createNode = createNode; - function visitNode(cbNode, node) { - if (node) { - return cbNode(node); - } - } - function visitNodeArray(cbNodes, nodes) { - if (nodes) { - return cbNodes(nodes); - } - } - function visitEachNode(cbNode, nodes) { - if (nodes) { - for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { - var node = nodes_1[_i]; - var result = cbNode(node); - if (result) { - return result; - } - } - } - } - // Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes - // stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise, - // embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns - // a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned. - function forEachChild(node, cbNode, cbNodeArray) { - if (!node) { - return; - } - // The visitXXX functions could be written as local functions that close over the cbNode and cbNodeArray - // callback parameters, but that causes a closure allocation for each invocation with noticeable effects - // on performance. - var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; - var cbNodes = cbNodeArray || cbNode; - switch (node.kind) { - case 136 /* QualifiedName */: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.right); - case 138 /* TypeParameter */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.constraint) || - visitNode(cbNode, node.expression); - case 249 /* ShorthandPropertyAssignment */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.equalsToken) || - visitNode(cbNode, node.objectAssignmentInitializer); - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.dotDotDotToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.initializer); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.questionToken) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type) || - visitNode(cbNode, node.equalsGreaterThanToken) || - visitNode(cbNode, node.body); - case 152 /* TypeReference */: - return visitNode(cbNode, node.typeName) || - visitNodes(cbNodes, node.typeArguments); - case 151 /* TypePredicate */: - return visitNode(cbNode, node.parameterName) || - visitNode(cbNode, node.type); - case 155 /* TypeQuery */: - return visitNode(cbNode, node.exprName); - case 156 /* TypeLiteral */: - return visitNodes(cbNodes, node.members); - case 157 /* ArrayType */: - return visitNode(cbNode, node.elementType); - case 158 /* TupleType */: - return visitNodes(cbNodes, node.elementTypes); - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return visitNodes(cbNodes, node.types); - case 161 /* ParenthesizedType */: - return visitNode(cbNode, node.type); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - return visitNodes(cbNodes, node.elements); - case 167 /* ArrayLiteralExpression */: - return visitNodes(cbNodes, node.elements); - case 168 /* ObjectLiteralExpression */: - return visitNodes(cbNodes, node.properties); - case 169 /* PropertyAccessExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.dotToken) || - visitNode(cbNode, node.name); - case 170 /* ElementAccessExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.argumentExpression); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments) || - visitNodes(cbNodes, node.arguments); - case 173 /* TaggedTemplateExpression */: - return visitNode(cbNode, node.tag) || - visitNode(cbNode, node.template); - case 174 /* TypeAssertionExpression */: - return visitNode(cbNode, node.type) || - visitNode(cbNode, node.expression); - case 175 /* ParenthesizedExpression */: - return visitNode(cbNode, node.expression); - case 178 /* DeleteExpression */: - return visitNode(cbNode, node.expression); - case 179 /* TypeOfExpression */: - return visitNode(cbNode, node.expression); - case 180 /* VoidExpression */: - return visitNode(cbNode, node.expression); - case 182 /* PrefixUnaryExpression */: - return visitNode(cbNode, node.operand); - case 187 /* YieldExpression */: - return visitNode(cbNode, node.asteriskToken) || - visitNode(cbNode, node.expression); - case 181 /* AwaitExpression */: - return visitNode(cbNode, node.expression); - case 183 /* PostfixUnaryExpression */: - return visitNode(cbNode, node.operand); - case 184 /* BinaryExpression */: - return visitNode(cbNode, node.left) || - visitNode(cbNode, node.operatorToken) || - visitNode(cbNode, node.right); - case 192 /* AsExpression */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.type); - case 185 /* ConditionalExpression */: - return visitNode(cbNode, node.condition) || - visitNode(cbNode, node.questionToken) || - visitNode(cbNode, node.whenTrue) || - visitNode(cbNode, node.colonToken) || - visitNode(cbNode, node.whenFalse); - case 188 /* SpreadElementExpression */: - return visitNode(cbNode, node.expression); - case 195 /* Block */: - case 222 /* ModuleBlock */: - return visitNodes(cbNodes, node.statements); - case 251 /* SourceFile */: - return visitNodes(cbNodes, node.statements) || - visitNode(cbNode, node.endOfFileToken); - case 196 /* VariableStatement */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.declarationList); - case 215 /* VariableDeclarationList */: - return visitNodes(cbNodes, node.declarations); - case 198 /* ExpressionStatement */: - return visitNode(cbNode, node.expression); - case 199 /* IfStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.thenStatement) || - visitNode(cbNode, node.elseStatement); - case 200 /* DoStatement */: - return visitNode(cbNode, node.statement) || - visitNode(cbNode, node.expression); - case 201 /* WhileStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 202 /* ForStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.condition) || - visitNode(cbNode, node.incrementor) || - visitNode(cbNode, node.statement); - case 203 /* ForInStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 204 /* ForOfStatement */: - return visitNode(cbNode, node.initializer) || - visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return visitNode(cbNode, node.label); - case 207 /* ReturnStatement */: - return visitNode(cbNode, node.expression); - case 208 /* WithStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.statement); - case 209 /* SwitchStatement */: - return visitNode(cbNode, node.expression) || - visitNode(cbNode, node.caseBlock); - case 223 /* CaseBlock */: - return visitNodes(cbNodes, node.clauses); - case 244 /* CaseClause */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.statements); - case 245 /* DefaultClause */: - return visitNodes(cbNodes, node.statements); - case 210 /* LabeledStatement */: - return visitNode(cbNode, node.label) || - visitNode(cbNode, node.statement); - case 211 /* ThrowStatement */: - return visitNode(cbNode, node.expression); - case 212 /* TryStatement */: - return visitNode(cbNode, node.tryBlock) || - visitNode(cbNode, node.catchClause) || - visitNode(cbNode, node.finallyBlock); - case 247 /* CatchClause */: - return visitNode(cbNode, node.variableDeclaration) || - visitNode(cbNode, node.block); - case 140 /* Decorator */: - return visitNode(cbNode, node.expression); - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 218 /* InterfaceDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNodes(cbNodes, node.heritageClauses) || - visitNodes(cbNodes, node.members); - case 219 /* TypeAliasDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeParameters) || - visitNode(cbNode, node.type); - case 220 /* EnumDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.members); - case 250 /* EnumMember */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 221 /* ModuleDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.body); - case 224 /* ImportEqualsDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.name) || - visitNode(cbNode, node.moduleReference); - case 225 /* ImportDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.importClause) || - visitNode(cbNode, node.moduleSpecifier); - case 226 /* ImportClause */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.namedBindings); - case 227 /* NamespaceImport */: - return visitNode(cbNode, node.name); - case 228 /* NamedImports */: - case 232 /* NamedExports */: - return visitNodes(cbNodes, node.elements); - case 231 /* ExportDeclaration */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.exportClause) || - visitNode(cbNode, node.moduleSpecifier); - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return visitNode(cbNode, node.propertyName) || - visitNode(cbNode, node.name); - case 230 /* ExportAssignment */: - return visitNodes(cbNodes, node.decorators) || - visitNodes(cbNodes, node.modifiers) || - visitNode(cbNode, node.expression); - case 186 /* TemplateExpression */: - return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); - case 193 /* TemplateSpan */: - return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); - case 137 /* ComputedPropertyName */: - return visitNode(cbNode, node.expression); - case 246 /* HeritageClause */: - return visitNodes(cbNodes, node.types); - case 191 /* ExpressionWithTypeArguments */: - return visitNode(cbNode, node.expression) || - visitNodes(cbNodes, node.typeArguments); - case 235 /* ExternalModuleReference */: - return visitNode(cbNode, node.expression); - case 234 /* MissingDeclaration */: - return visitNodes(cbNodes, node.decorators); - case 236 /* JsxElement */: - return visitNode(cbNode, node.openingElement) || - visitNodes(cbNodes, node.children) || - visitNode(cbNode, node.closingElement); - case 237 /* JsxSelfClosingElement */: - case 238 /* JsxOpeningElement */: - return visitNode(cbNode, node.tagName) || - visitNodes(cbNodes, node.attributes); - case 241 /* JsxAttribute */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.initializer); - case 242 /* JsxSpreadAttribute */: - return visitNode(cbNode, node.expression); - case 243 /* JsxExpression */: - return visitNode(cbNode, node.expression); - case 240 /* JsxClosingElement */: - return visitNode(cbNode, node.tagName); - case 252 /* JSDocTypeExpression */: - return visitNode(cbNode, node.type); - case 256 /* JSDocUnionType */: - return visitNodes(cbNodes, node.types); - case 257 /* JSDocTupleType */: - return visitNodes(cbNodes, node.types); - case 255 /* JSDocArrayType */: - return visitNode(cbNode, node.elementType); - case 259 /* JSDocNonNullableType */: - return visitNode(cbNode, node.type); - case 258 /* JSDocNullableType */: - return visitNode(cbNode, node.type); - case 260 /* JSDocRecordType */: - return visitNodes(cbNodes, node.members); - case 262 /* JSDocTypeReference */: - return visitNode(cbNode, node.name) || - visitNodes(cbNodes, node.typeArguments); - case 263 /* JSDocOptionalType */: - return visitNode(cbNode, node.type); - case 264 /* JSDocFunctionType */: - return visitNodes(cbNodes, node.parameters) || - visitNode(cbNode, node.type); - case 265 /* JSDocVariadicType */: - return visitNode(cbNode, node.type); - case 266 /* JSDocConstructorType */: - return visitNode(cbNode, node.type); - case 267 /* JSDocThisType */: - return visitNode(cbNode, node.type); - case 261 /* JSDocRecordMember */: - return visitNode(cbNode, node.name) || - visitNode(cbNode, node.type); - case 268 /* JSDocComment */: - return visitNodes(cbNodes, node.tags); - case 270 /* JSDocParameterTag */: - return visitNode(cbNode, node.preParameterName) || - visitNode(cbNode, node.typeExpression) || - visitNode(cbNode, node.postParameterName); - case 271 /* JSDocReturnTag */: - return visitNode(cbNode, node.typeExpression); - case 272 /* JSDocTypeTag */: - return visitNode(cbNode, node.typeExpression); - case 273 /* JSDocTemplateTag */: - return visitNodes(cbNodes, node.typeParameters); - } - } - ts.forEachChild = forEachChild; - function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { - if (setParentNodes === void 0) { setParentNodes = false; } - var start = new Date().getTime(); - var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes); - ts.parseTime += new Date().getTime() - start; - return result; - } - ts.createSourceFile = createSourceFile; - // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter - // indicates what changed between the 'text' that this SourceFile has and the 'newText'. - // The SourceFile will be created with the compiler attempting to reuse as many nodes from - // this file as possible. - // - // Note: this function mutates nodes from this SourceFile. That means any existing nodes - // from this SourceFile that are being held onto may change as a result (including - // becoming detached from any SourceFile). It is recommended that this SourceFile not - // be used once 'update' is called on it. - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - } - ts.updateSourceFile = updateSourceFile; - /* @internal */ - function parseIsolatedJSDocComment(content, start, length) { - return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); - } - ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - /* @internal */ - // Exposed only for testing. - function parseJSDocTypeExpressionForTests(content, start, length) { - return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); - } - ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; - // Implement the parser as a singleton module. We do this for perf reasons because creating - // parser instances can actually be expensive enough to impact us on projects with many source - // files. - var Parser; - (function (Parser) { - // Share a single scanner across all calls to parse a source file. This helps speed things - // up by avoiding the cost of creating/compiling scanners over and over again. - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); - var disallowInAndDecoratorContext = 1 /* DisallowIn */ | 4 /* Decorator */; - // capture constructors in 'initializeState' to avoid null checks - var NodeConstructor; - var SourceFileConstructor; - var sourceFile; - var parseDiagnostics; - var syntaxCursor; - var token; - var sourceText; - var nodeCount; - var identifiers; - var identifierCount; - var parsingContext; - // Flags that dictate what parsing context we're in. For example: - // Whether or not we are in strict parsing mode. All that changes in strict parsing mode is - // that some tokens that would be considered identifiers may be considered keywords. - // - // When adding more parser context flags, consider which is the more common case that the - // flag will be in. This should be the 'false' state for that flag. The reason for this is - // that we don't store data in our nodes unless the value is in the *non-default* state. So, - // for example, more often than code 'allows-in' (or doesn't 'disallow-in'). We opt for - // 'disallow-in' set to 'false'. Otherwise, if we had 'allowsIn' set to 'true', then almost - // all nodes would need extra state on them to store this info. - // - // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6 - // grammar specification. - // - // An important thing about these context concepts. By default they are effectively inherited - // while parsing through every grammar production. i.e. if you don't change them, then when - // you parse a sub-production, it will have the same context values as the parent production. - // This is great most of the time. After all, consider all the 'expression' grammar productions - // and how nearly all of them pass along the 'in' and 'yield' context values: - // - // EqualityExpression[In, Yield] : - // RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield] - // EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield] - // - // Where you have to be careful is then understanding what the points are in the grammar - // where the values are *not* passed along. For example: - // - // SingleNameBinding[Yield,GeneratorParameter] - // [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt - // [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt - // - // Here this is saying that if the GeneratorParameter context flag is set, that we should - // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier - // and we should explicitly unset the 'yield' context flag before calling into the Initializer. - // production. Conversely, if the GeneratorParameter context flag is not set, then we - // should leave the 'yield' context flag alone. - // - // Getting this all correct is tricky and requires careful reading of the grammar to - // understand when these values should be changed versus when they should be inherited. - // - // Note: it should not be necessary to save/restore these flags during speculative/lookahead - // parsing. These context flags are naturally stored and restored through normal recursive - // descent parsing and unwinding. - var contextFlags; - // Whether or not we've had a parse error since creating the last AST node. If we have - // encountered an error, it will be stored on the next AST node we create. Parse errors - // can be broken down into three categories: - // - // 1) An error that occurred during scanning. For example, an unterminated literal, or a - // character that was completely not understood. - // - // 2) A token was expected, but was not present. This type of error is commonly produced - // by the 'parseExpected' function. - // - // 3) A token was present that no parsing function was able to consume. This type of error - // only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser - // decides to skip the token. - // - // In all of these cases, we want to mark the next node as having had an error before it. - // With this mark, we can know in incremental settings if this node can be reused, or if - // we have to reparse it. If we don't keep this information around, we may just reuse the - // node. in that event we would then not produce the same errors as we did before, causing - // significant confusion problems. - // - // Note: it is necessary that this value be saved/restored during speculative/lookahead - // parsing. During lookahead parsing, we will often create a node. That node will have - // this value attached, and then this value will be set back to 'false'. If we decide to - // rewind, we must get back to the same value we had prior to the lookahead. - // - // Note: any errors at the end of the file that do not precede a regular node, should get - // attached to the EOF token. - var parseErrorBeforeNextFinishedNode = false; - function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { - var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; - initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); - var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); - clearState(); - return result; - } - Parser.parseSourceFile = parseSourceFile; - function getLanguageVariant(fileName) { - // .tsx and .jsx files are treated as jsx language variant. - return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 /* JSX */ : 0 /* Standard */; - } - function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { - NodeConstructor = ts.objectAllocator.getNodeConstructor(); - SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); - sourceText = _sourceText; - syntaxCursor = _syntaxCursor; - parseDiagnostics = []; - parsingContext = 0; - identifiers = {}; - identifierCount = 0; - nodeCount = 0; - contextFlags = isJavaScriptFile ? 32 /* JavaScriptFile */ : 0 /* None */; - parseErrorBeforeNextFinishedNode = false; - // Initialize and prime the scanner before parsing the source elements. - scanner.setText(sourceText); - scanner.setOnError(scanError); - scanner.setScriptTarget(languageVersion); - scanner.setLanguageVariant(getLanguageVariant(fileName)); - } - function clearState() { - // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily. - scanner.setText(""); - scanner.setOnError(undefined); - // Clear any data. We don't want to accidently hold onto it for too long. - parseDiagnostics = undefined; - sourceFile = undefined; - identifiers = undefined; - syntaxCursor = undefined; - sourceText = undefined; - } - function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { - sourceFile = createSourceFile(fileName, languageVersion); - if (contextFlags & 32 /* JavaScriptFile */) { - sourceFile.parserContextFlags = 32 /* JavaScriptFile */; - } - // Prime the scanner. - token = nextToken(); - processReferenceComments(sourceFile); - sourceFile.statements = parseList(0 /* SourceElements */, parseStatement); - ts.Debug.assert(token === 1 /* EndOfFileToken */); - sourceFile.endOfFileToken = parseTokenNode(); - setExternalModuleIndicator(sourceFile); - sourceFile.nodeCount = nodeCount; - sourceFile.identifierCount = identifierCount; - sourceFile.identifiers = identifiers; - sourceFile.parseDiagnostics = parseDiagnostics; - if (setParentNodes) { - fixupParentReferences(sourceFile); - } - return sourceFile; - } - function addJSDocComment(node) { - if (contextFlags & 32 /* JavaScriptFile */) { - var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); - if (comments) { - for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { - var comment = comments_1[_i]; - var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); - if (jsDocComment) { - node.jsDocComment = jsDocComment; - } - } - } - } - return node; - } - function fixupParentReferences(sourceFile) { - // normally parent references are set during binding. However, for clients that only need - // a syntax tree, and no semantic features, then the binding process is an unnecessary - // overhead. This functions allows us to set all the parents, without all the expense of - // binding. - var parent = sourceFile; - forEachChild(sourceFile, visitNode); - return; - function visitNode(n) { - // walk down setting parents that differ from the parent we think it should be. This - // allows us to quickly bail out of setting parents for subtrees during incremental - // parsing - if (n.parent !== parent) { - n.parent = parent; - var saveParent = parent; - parent = n; - forEachChild(n, visitNode); - parent = saveParent; - } - } - } - Parser.fixupParentReferences = fixupParentReferences; - function createSourceFile(fileName, languageVersion) { - // code from createNode is inlined here so createNode won't have to deal with special case of creating source files - // this is quite rare comparing to other nodes and createNode should be as fast as possible - var sourceFile = new SourceFileConstructor(251 /* SourceFile */, /*pos*/ 0, /* end */ sourceText.length); - nodeCount++; - sourceFile.text = sourceText; - sourceFile.bindDiagnostics = []; - sourceFile.languageVersion = languageVersion; - sourceFile.fileName = ts.normalizePath(fileName); - sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 /* DeclarationFile */ : 0; - sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); - return sourceFile; - } - function setContextFlag(val, flag) { - if (val) { - contextFlags |= flag; - } - else { - contextFlags &= ~flag; - } - } - function setDisallowInContext(val) { - setContextFlag(val, 1 /* DisallowIn */); - } - function setYieldContext(val) { - setContextFlag(val, 2 /* Yield */); - } - function setDecoratorContext(val) { - setContextFlag(val, 4 /* Decorator */); - } - function setAwaitContext(val) { - setContextFlag(val, 8 /* Await */); - } - function doOutsideOfContext(context, func) { - // contextFlagsToClear will contain only the context flags that are - // currently set that we need to temporarily clear - // We don't just blindly reset to the previous flags to ensure - // that we do not mutate cached flags for the incremental - // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and - // HasAggregatedChildData). - var contextFlagsToClear = context & contextFlags; - if (contextFlagsToClear) { - // clear the requested context flags - setContextFlag(/*val*/ false, contextFlagsToClear); - var result = func(); - // restore the context flags we just cleared - setContextFlag(/*val*/ true, contextFlagsToClear); - return result; - } - // no need to do anything special as we are not in any of the requested contexts - return func(); - } - function doInsideOfContext(context, func) { - // contextFlagsToSet will contain only the context flags that - // are not currently set that we need to temporarily enable. - // We don't just blindly reset to the previous flags to ensure - // that we do not mutate cached flags for the incremental - // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and - // HasAggregatedChildData). - var contextFlagsToSet = context & ~contextFlags; - if (contextFlagsToSet) { - // set the requested context flags - setContextFlag(/*val*/ true, contextFlagsToSet); - var result = func(); - // reset the context flags we just set - setContextFlag(/*val*/ false, contextFlagsToSet); - return result; - } - // no need to do anything special as we are already in all of the requested contexts - return func(); - } - function allowInAnd(func) { - return doOutsideOfContext(1 /* DisallowIn */, func); - } - function disallowInAnd(func) { - return doInsideOfContext(1 /* DisallowIn */, func); - } - function doInYieldContext(func) { - return doInsideOfContext(2 /* Yield */, func); - } - function doInDecoratorContext(func) { - return doInsideOfContext(4 /* Decorator */, func); - } - function doInAwaitContext(func) { - return doInsideOfContext(8 /* Await */, func); - } - function doOutsideOfAwaitContext(func) { - return doOutsideOfContext(8 /* Await */, func); - } - function doInYieldAndAwaitContext(func) { - return doInsideOfContext(2 /* Yield */ | 8 /* Await */, func); - } - function inContext(flags) { - return (contextFlags & flags) !== 0; - } - function inYieldContext() { - return inContext(2 /* Yield */); - } - function inDisallowInContext() { - return inContext(1 /* DisallowIn */); - } - function inDecoratorContext() { - return inContext(4 /* Decorator */); - } - function inAwaitContext() { - return inContext(8 /* Await */); - } - function parseErrorAtCurrentToken(message, arg0) { - var start = scanner.getTokenPos(); - var length = scanner.getTextPos() - start; - parseErrorAtPosition(start, length, message, arg0); - } - function parseErrorAtPosition(start, length, message, arg0) { - // Don't report another error if it would just be at the same position as the last error. - var lastError = ts.lastOrUndefined(parseDiagnostics); - if (!lastError || start !== lastError.start) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); - } - // Mark that we've encountered an error. We'll set an appropriate bit on the next - // node we finish so that it can't be reused incrementally. - parseErrorBeforeNextFinishedNode = true; - } - function scanError(message, length) { - var pos = scanner.getTextPos(); - parseErrorAtPosition(pos, length || 0, message); - } - function getNodePos() { - return scanner.getStartPos(); - } - function getNodeEnd() { - return scanner.getStartPos(); - } - function nextToken() { - return token = scanner.scan(); - } - function reScanGreaterToken() { - return token = scanner.reScanGreaterToken(); - } - function reScanSlashToken() { - return token = scanner.reScanSlashToken(); - } - function reScanTemplateToken() { - return token = scanner.reScanTemplateToken(); - } - function scanJsxIdentifier() { - return token = scanner.scanJsxIdentifier(); - } - function scanJsxText() { - return token = scanner.scanJsxToken(); - } - function speculationHelper(callback, isLookAhead) { - // Keep track of the state we'll need to rollback to if lookahead fails (or if the - // caller asked us to always reset our state). - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - // Note: it is not actually necessary to save/restore the context flags here. That's - // because the saving/restoring of these flags happens naturally through the recursive - // descent nature of our parser. However, we still store this here just so we can - // assert that that invariant holds. - var saveContextFlags = contextFlags; - // If we're only looking ahead, then tell the scanner to only lookahead as well. - // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the - // same. - var result = isLookAhead - ? scanner.lookAhead(callback) - : scanner.tryScan(callback); - ts.Debug.assert(saveContextFlags === contextFlags); - // If our callback returned something 'falsy' or we're just looking ahead, - // then unconditionally restore us to where we were. - if (!result || isLookAhead) { - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - } - return result; - } - /** Invokes the provided callback then unconditionally restores the parser to the state it - * was in immediately prior to invoking the callback. The result of invoking the callback - * is returned from this function. - */ - function lookAhead(callback) { - return speculationHelper(callback, /*isLookAhead*/ true); - } - /** Invokes the provided callback. If the callback returns something falsy, then it restores - * the parser to the state it was in immediately prior to invoking the callback. If the - * callback returns something truthy, then the parser state is not rolled back. The result - * of invoking the callback is returned from this function. - */ - function tryParse(callback) { - return speculationHelper(callback, /*isLookAhead*/ false); - } - // Ignore strict mode flag because we will report an error in type checker instead. - function isIdentifier() { - if (token === 69 /* Identifier */) { - return true; - } - // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is - // considered a keyword and is not an identifier. - if (token === 114 /* YieldKeyword */ && inYieldContext()) { - return false; - } - // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is - // considered a keyword and is not an identifier. - if (token === 119 /* AwaitKeyword */ && inAwaitContext()) { - return false; - } - return token > 105 /* LastReservedWord */; - } - function parseExpected(kind, diagnosticMessage, shouldAdvance) { - if (shouldAdvance === void 0) { shouldAdvance = true; } - if (token === kind) { - if (shouldAdvance) { - nextToken(); - } - return true; - } - // Report specific message if provided with one. Otherwise, report generic fallback message. - if (diagnosticMessage) { - parseErrorAtCurrentToken(diagnosticMessage); - } - else { - parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); - } - return false; - } - function parseOptional(t) { - if (token === t) { - nextToken(); - return true; - } - return false; - } - function parseOptionalToken(t) { - if (token === t) { - return parseTokenNode(); - } - return undefined; - } - function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { - return parseOptionalToken(t) || - createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); - } - function parseTokenNode() { - var node = createNode(token); - nextToken(); - return finishNode(node); - } - function canParseSemicolon() { - // If there's a real semicolon, then we can always parse it out. - if (token === 23 /* SemicolonToken */) { - return true; - } - // We can parse out an optional semicolon in ASI cases in the following cases. - return token === 16 /* CloseBraceToken */ || token === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak(); - } - function parseSemicolon() { - if (canParseSemicolon()) { - if (token === 23 /* SemicolonToken */) { - // consume the semicolon if it was explicitly provided. - nextToken(); - } - return true; - } - else { - return parseExpected(23 /* SemicolonToken */); - } - } - // note: this function creates only node - function createNode(kind, pos) { - nodeCount++; - if (!(pos >= 0)) { - pos = scanner.getStartPos(); - } - return new NodeConstructor(kind, pos, pos); - } - function finishNode(node, end) { - node.end = end === undefined ? scanner.getStartPos() : end; - if (contextFlags) { - node.parserContextFlags = contextFlags; - } - // Keep track on the node if we encountered an error while parsing it. If we did, then - // we cannot reuse the node incrementally. Once we've marked this node, clear out the - // flag so that we don't mark any subsequent nodes. - if (parseErrorBeforeNextFinishedNode) { - parseErrorBeforeNextFinishedNode = false; - node.parserContextFlags |= 16 /* ThisNodeHasError */; - } - return node; - } - function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { - if (reportAtCurrentPosition) { - parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); - } - else { - parseErrorAtCurrentToken(diagnosticMessage, arg0); - } - var result = createNode(kind, scanner.getStartPos()); - result.text = ""; - return finishNode(result); - } - function internIdentifier(text) { - text = ts.escapeIdentifier(text); - return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); - } - // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues - // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for - // each identifier in order to reduce memory consumption. - function createIdentifier(isIdentifier, diagnosticMessage) { - identifierCount++; - if (isIdentifier) { - var node = createNode(69 /* Identifier */); - // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker - if (token !== 69 /* Identifier */) { - node.originalKeywordKind = token; - } - node.text = internIdentifier(scanner.getTokenValue()); - nextToken(); - return finishNode(node); - } - return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics.Identifier_expected); - } - function parseIdentifier(diagnosticMessage) { - return createIdentifier(isIdentifier(), diagnosticMessage); - } - function parseIdentifierName() { - return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); - } - function isLiteralPropertyName() { - return ts.tokenIsIdentifierOrKeyword(token) || - token === 9 /* StringLiteral */ || - token === 8 /* NumericLiteral */; - } - function parsePropertyNameWorker(allowComputedPropertyNames) { - if (token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */) { - return parseLiteralNode(/*internName*/ true); - } - if (allowComputedPropertyNames && token === 19 /* OpenBracketToken */) { - return parseComputedPropertyName(); - } - return parseIdentifierName(); - } - function parsePropertyName() { - return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true); - } - function parseSimplePropertyName() { - return parsePropertyNameWorker(/*allowComputedPropertyNames*/ false); - } - function isSimplePropertyName() { - return token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */ || ts.tokenIsIdentifierOrKeyword(token); - } - function parseComputedPropertyName() { - // PropertyName [Yield]: - // LiteralPropertyName - // ComputedPropertyName[?Yield] - var node = createNode(137 /* ComputedPropertyName */); - parseExpected(19 /* OpenBracketToken */); - // We parse any expression (including a comma expression). But the grammar - // says that only an assignment expression is allowed, so the grammar checker - // will error if it sees a comma expression. - node.expression = allowInAnd(parseExpression); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function parseContextualModifier(t) { - return token === t && tryParse(nextTokenCanFollowModifier); - } - function nextTokenIsOnSameLineAndCanFollowModifier() { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return false; - } - return canFollowModifier(); - } - function nextTokenCanFollowModifier() { - if (token === 74 /* ConstKeyword */) { - // 'const' is only a modifier if followed by 'enum'. - return nextToken() === 81 /* EnumKeyword */; - } - if (token === 82 /* ExportKeyword */) { - nextToken(); - if (token === 77 /* DefaultKeyword */) { - return lookAhead(nextTokenIsClassOrFunction); - } - return token !== 37 /* AsteriskToken */ && token !== 15 /* OpenBraceToken */ && canFollowModifier(); - } - if (token === 77 /* DefaultKeyword */) { - return nextTokenIsClassOrFunction(); - } - if (token === 113 /* StaticKeyword */) { - nextToken(); - return canFollowModifier(); - } - return nextTokenIsOnSameLineAndCanFollowModifier(); - } - function parseAnyContextualModifier() { - return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); - } - function canFollowModifier() { - return token === 19 /* OpenBracketToken */ - || token === 15 /* OpenBraceToken */ - || token === 37 /* AsteriskToken */ - || isLiteralPropertyName(); - } - function nextTokenIsClassOrFunction() { - nextToken(); - return token === 73 /* ClassKeyword */ || token === 87 /* FunctionKeyword */; - } - // True if positioned at the start of a list element - function isListElement(parsingContext, inErrorRecovery) { - var node = currentNode(parsingContext); - if (node) { - return true; - } - switch (parsingContext) { - case 0 /* SourceElements */: - case 1 /* BlockStatements */: - case 3 /* SwitchClauseStatements */: - // If we're in error recovery, then we don't want to treat ';' as an empty statement. - // The problem is that ';' can show up in far too many contexts, and if we see one - // and assume it's a statement, then we may bail out inappropriately from whatever - // we're parsing. For example, if we have a semicolon in the middle of a class, then - // we really don't want to assume the class is over and we're on a statement in the - // outer module. We just want to consume and move on. - return !(token === 23 /* SemicolonToken */ && inErrorRecovery) && isStartOfStatement(); - case 2 /* SwitchClauses */: - return token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; - case 4 /* TypeMembers */: - return isStartOfTypeMember(); - case 5 /* ClassMembers */: - // We allow semicolons as class elements (as specified by ES6) as long as we're - // not in error recovery. If we're in error recovery, we don't want an errant - // semicolon to be treated as a class member (since they're almost always used - // for statements. - return lookAhead(isClassMemberStart) || (token === 23 /* SemicolonToken */ && !inErrorRecovery); - case 6 /* EnumMembers */: - // Include open bracket computed properties. This technically also lets in indexers, - // which would be a candidate for improved error reporting. - return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); - case 12 /* ObjectLiteralMembers */: - return token === 19 /* OpenBracketToken */ || token === 37 /* AsteriskToken */ || isLiteralPropertyName(); - case 9 /* ObjectBindingElements */: - return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); - case 7 /* HeritageClauseElement */: - // If we see { } then only consume it as an expression if it is followed by , or { - // That way we won't consume the body of a class in its heritage clause. - if (token === 15 /* OpenBraceToken */) { - return lookAhead(isValidHeritageClauseObjectLiteral); - } - if (!inErrorRecovery) { - return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - else { - // If we're in error recovery we tighten up what we're willing to match. - // That way we don't treat something like "this" as a valid heritage clause - // element during recovery. - return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); - } - case 8 /* VariableDeclarations */: - return isIdentifierOrPattern(); - case 10 /* ArrayBindingElements */: - return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isIdentifierOrPattern(); - case 17 /* TypeParameters */: - return isIdentifier(); - case 11 /* ArgumentExpressions */: - case 15 /* ArrayLiteralMembers */: - return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isStartOfExpression(); - case 16 /* Parameters */: - return isStartOfParameter(); - case 18 /* TypeArguments */: - case 19 /* TupleElementTypes */: - return token === 24 /* CommaToken */ || isStartOfType(); - case 20 /* HeritageClauses */: - return isHeritageClause(); - case 21 /* ImportOrExportSpecifiers */: - return ts.tokenIsIdentifierOrKeyword(token); - case 13 /* JsxAttributes */: - return ts.tokenIsIdentifierOrKeyword(token) || token === 15 /* OpenBraceToken */; - case 14 /* JsxChildren */: - return true; - case 22 /* JSDocFunctionParameters */: - case 23 /* JSDocTypeArguments */: - case 25 /* JSDocTupleTypes */: - return JSDocParser.isJSDocType(); - case 24 /* JSDocRecordMembers */: - return isSimplePropertyName(); - } - ts.Debug.fail("Non-exhaustive case in 'isListElement'."); - } - function isValidHeritageClauseObjectLiteral() { - ts.Debug.assert(token === 15 /* OpenBraceToken */); - if (nextToken() === 16 /* CloseBraceToken */) { - // if we see "extends {}" then only treat the {} as what we're extending (and not - // the class body) if we have: - // - // extends {} { - // extends {}, - // extends {} extends - // extends {} implements - var next = nextToken(); - return next === 24 /* CommaToken */ || next === 15 /* OpenBraceToken */ || next === 83 /* ExtendsKeyword */ || next === 106 /* ImplementsKeyword */; - } - return true; - } - function nextTokenIsIdentifier() { - nextToken(); - return isIdentifier(); - } - function nextTokenIsIdentifierOrKeyword() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token); - } - function isHeritageClauseExtendsOrImplementsKeyword() { - if (token === 106 /* ImplementsKeyword */ || - token === 83 /* ExtendsKeyword */) { - return lookAhead(nextTokenIsStartOfExpression); - } - return false; - } - function nextTokenIsStartOfExpression() { - nextToken(); - return isStartOfExpression(); - } - // True if positioned at a list terminator - function isListTerminator(kind) { - if (token === 1 /* EndOfFileToken */) { - // Being at the end of the file ends all lists. - return true; - } - switch (kind) { - case 1 /* BlockStatements */: - case 2 /* SwitchClauses */: - case 4 /* TypeMembers */: - case 5 /* ClassMembers */: - case 6 /* EnumMembers */: - case 12 /* ObjectLiteralMembers */: - case 9 /* ObjectBindingElements */: - case 21 /* ImportOrExportSpecifiers */: - return token === 16 /* CloseBraceToken */; - case 3 /* SwitchClauseStatements */: - return token === 16 /* CloseBraceToken */ || token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; - case 7 /* HeritageClauseElement */: - return token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - case 8 /* VariableDeclarations */: - return isVariableDeclaratorListTerminator(); - case 17 /* TypeParameters */: - // Tokens other than '>' are here for better error recovery - return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */ || token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - case 11 /* ArgumentExpressions */: - // Tokens other than ')' are here for better error recovery - return token === 18 /* CloseParenToken */ || token === 23 /* SemicolonToken */; - case 15 /* ArrayLiteralMembers */: - case 19 /* TupleElementTypes */: - case 10 /* ArrayBindingElements */: - return token === 20 /* CloseBracketToken */; - case 16 /* Parameters */: - // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery - return token === 18 /* CloseParenToken */ || token === 20 /* CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/; - case 18 /* TypeArguments */: - // Tokens other than '>' are here for better error recovery - return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */; - case 20 /* HeritageClauses */: - return token === 15 /* OpenBraceToken */ || token === 16 /* CloseBraceToken */; - case 13 /* JsxAttributes */: - return token === 27 /* GreaterThanToken */ || token === 39 /* SlashToken */; - case 14 /* JsxChildren */: - return token === 25 /* LessThanToken */ && lookAhead(nextTokenIsSlash); - case 22 /* JSDocFunctionParameters */: - return token === 18 /* CloseParenToken */ || token === 54 /* ColonToken */ || token === 16 /* CloseBraceToken */; - case 23 /* JSDocTypeArguments */: - return token === 27 /* GreaterThanToken */ || token === 16 /* CloseBraceToken */; - case 25 /* JSDocTupleTypes */: - return token === 20 /* CloseBracketToken */ || token === 16 /* CloseBraceToken */; - case 24 /* JSDocRecordMembers */: - return token === 16 /* CloseBraceToken */; - } - } - function isVariableDeclaratorListTerminator() { - // If we can consume a semicolon (either explicitly, or with ASI), then consider us done - // with parsing the list of variable declarators. - if (canParseSemicolon()) { - return true; - } - // in the case where we're parsing the variable declarator of a 'for-in' statement, we - // are done if we see an 'in' keyword in front of us. Same with for-of - if (isInOrOfKeyword(token)) { - return true; - } - // ERROR RECOVERY TWEAK: - // For better error recovery, if we see an '=>' then we just stop immediately. We've got an - // arrow function here and it's going to be very unlikely that we'll resynchronize and get - // another variable declaration. - if (token === 34 /* EqualsGreaterThanToken */) { - return true; - } - // Keep trying to parse out variable declarators. - return false; - } - // True if positioned at element or terminator of the current list or any enclosing list - function isInSomeParsingContext() { - for (var kind = 0; kind < 26 /* Count */; kind++) { - if (parsingContext & (1 << kind)) { - if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) { - return true; - } - } - } - return false; - } - // Parses a list of elements - function parseList(kind, parseElement) { - var saveParsingContext = parsingContext; - parsingContext |= 1 << kind; - var result = []; - result.pos = getNodePos(); - while (!isListTerminator(kind)) { - if (isListElement(kind, /*inErrorRecovery*/ false)) { - var element = parseListElement(kind, parseElement); - result.push(element); - continue; - } - if (abortParsingListOrMoveToNextToken(kind)) { - break; - } - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function parseListElement(parsingContext, parseElement) { - var node = currentNode(parsingContext); - if (node) { - return consumeNode(node); - } - return parseElement(); - } - function currentNode(parsingContext) { - // If there is an outstanding parse error that we've encountered, but not attached to - // some node, then we cannot get a node from the old source tree. This is because we - // want to mark the next node we encounter as being unusable. - // - // Note: This may be too conservative. Perhaps we could reuse the node and set the bit - // on it (or its leftmost child) as having the error. For now though, being conservative - // is nice and likely won't ever affect perf. - if (parseErrorBeforeNextFinishedNode) { - return undefined; - } - if (!syntaxCursor) { - // if we don't have a cursor, we could never return a node from the old tree. - return undefined; - } - var node = syntaxCursor.currentNode(scanner.getStartPos()); - // Can't reuse a missing node. - if (ts.nodeIsMissing(node)) { - return undefined; - } - // Can't reuse a node that intersected the change range. - if (node.intersectsChange) { - return undefined; - } - // Can't reuse a node that contains a parse error. This is necessary so that we - // produce the same set of errors again. - if (ts.containsParseError(node)) { - return undefined; - } - // We can only reuse a node if it was parsed under the same strict mode that we're - // currently in. i.e. if we originally parsed a node in non-strict mode, but then - // the user added 'using strict' at the top of the file, then we can't use that node - // again as the presense of strict mode may cause us to parse the tokens in the file - // differetly. - // - // Note: we *can* reuse tokens when the strict mode changes. That's because tokens - // are unaffected by strict mode. It's just the parser will decide what to do with it - // differently depending on what mode it is in. - // - // This also applies to all our other context flags as well. - var nodeContextFlags = node.parserContextFlags & 31 /* ParserGeneratedFlags */; - if (nodeContextFlags !== contextFlags) { - return undefined; - } - // Ok, we have a node that looks like it could be reused. Now verify that it is valid - // in the currest list parsing context that we're currently at. - if (!canReuseNode(node, parsingContext)) { - return undefined; - } - return node; - } - function consumeNode(node) { - // Move the scanner so it is after the node we just consumed. - scanner.setTextPos(node.end); - nextToken(); - return node; - } - function canReuseNode(node, parsingContext) { - switch (parsingContext) { - case 5 /* ClassMembers */: - return isReusableClassMember(node); - case 2 /* SwitchClauses */: - return isReusableSwitchClause(node); - case 0 /* SourceElements */: - case 1 /* BlockStatements */: - case 3 /* SwitchClauseStatements */: - return isReusableStatement(node); - case 6 /* EnumMembers */: - return isReusableEnumMember(node); - case 4 /* TypeMembers */: - return isReusableTypeMember(node); - case 8 /* VariableDeclarations */: - return isReusableVariableDeclaration(node); - case 16 /* Parameters */: - return isReusableParameter(node); - // Any other lists we do not care about reusing nodes in. But feel free to add if - // you can do so safely. Danger areas involve nodes that may involve speculative - // parsing. If speculative parsing is involved with the node, then the range the - // parser reached while looking ahead might be in the edited range (see the example - // in canReuseVariableDeclaratorNode for a good case of this). - case 20 /* HeritageClauses */: - // This would probably be safe to reuse. There is no speculative parsing with - // heritage clauses. - case 17 /* TypeParameters */: - // This would probably be safe to reuse. There is no speculative parsing with - // type parameters. Note that that's because type *parameters* only occur in - // unambiguous *type* contexts. While type *arguments* occur in very ambiguous - // *expression* contexts. - case 19 /* TupleElementTypes */: - // This would probably be safe to reuse. There is no speculative parsing with - // tuple types. - // Technically, type argument list types are probably safe to reuse. While - // speculative parsing is involved with them (since type argument lists are only - // produced from speculative parsing a < as a type argument list), we only have - // the types because speculative parsing succeeded. Thus, the lookahead never - // went past the end of the list and rewound. - case 18 /* TypeArguments */: - // Note: these are almost certainly not safe to ever reuse. Expressions commonly - // need a large amount of lookahead, and we should not reuse them as they may - // have actually intersected the edit. - case 11 /* ArgumentExpressions */: - // This is not safe to reuse for the same reason as the 'AssignmentExpression' - // cases. i.e. a property assignment may end with an expression, and thus might - // have lookahead far beyond it's old node. - case 12 /* ObjectLiteralMembers */: - // This is probably not safe to reuse. There can be speculative parsing with - // type names in a heritage clause. There can be generic names in the type - // name list, and there can be left hand side expressions (which can have type - // arguments.) - case 7 /* HeritageClauseElement */: - // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes - // on any given element. Same for children. - case 13 /* JsxAttributes */: - case 14 /* JsxChildren */: - } - return false; - } - function isReusableClassMember(node) { - if (node) { - switch (node.kind) { - case 145 /* Constructor */: - case 150 /* IndexSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 142 /* PropertyDeclaration */: - case 194 /* SemicolonClassElement */: - return true; - case 144 /* MethodDeclaration */: - // Method declarations are not necessarily reusable. An object-literal - // may have a method calls "constructor(...)" and we must reparse that - // into an actual .ConstructorDeclaration. - var methodDeclaration = node; - var nameIsConstructor = methodDeclaration.name.kind === 69 /* Identifier */ && - methodDeclaration.name.originalKeywordKind === 121 /* ConstructorKeyword */; - return !nameIsConstructor; - } - } - return false; - } - function isReusableSwitchClause(node) { - if (node) { - switch (node.kind) { - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - return true; - } - } - return false; - } - function isReusableStatement(node) { - if (node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 196 /* VariableStatement */: - case 195 /* Block */: - case 199 /* IfStatement */: - case 198 /* ExpressionStatement */: - case 211 /* ThrowStatement */: - case 207 /* ReturnStatement */: - case 209 /* SwitchStatement */: - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 197 /* EmptyStatement */: - case 212 /* TryStatement */: - case 210 /* LabeledStatement */: - case 200 /* DoStatement */: - case 213 /* DebuggerStatement */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - case 230 /* ExportAssignment */: - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 219 /* TypeAliasDeclaration */: - return true; - } - } - return false; - } - function isReusableEnumMember(node) { - return node.kind === 250 /* EnumMember */; - } - function isReusableTypeMember(node) { - if (node) { - switch (node.kind) { - case 149 /* ConstructSignature */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - case 141 /* PropertySignature */: - case 148 /* CallSignature */: - return true; - } - } - return false; - } - function isReusableVariableDeclaration(node) { - if (node.kind !== 214 /* VariableDeclaration */) { - return false; - } - // Very subtle incremental parsing bug. Consider the following code: - // - // let v = new List < A, B - // - // This is actually legal code. It's a list of variable declarators "v = new List() - // - // then we have a problem. "v = new List= 0) { - // Always preserve a trailing comma by marking it on the NodeArray - result.hasTrailingComma = true; - } - result.end = getNodeEnd(); - parsingContext = saveParsingContext; - return result; - } - function createMissingList() { - var pos = getNodePos(); - var result = []; - result.pos = pos; - result.end = pos; - return result; - } - function parseBracketedList(kind, parseElement, open, close) { - if (parseExpected(open)) { - var result = parseDelimitedList(kind, parseElement); - parseExpected(close); - return result; - } - return createMissingList(); - } - // The allowReservedWords parameter controls whether reserved words are permitted after the first dot - function parseEntityName(allowReservedWords, diagnosticMessage) { - var entity = parseIdentifier(diagnosticMessage); - while (parseOptional(21 /* DotToken */)) { - var node = createNode(136 /* QualifiedName */, entity.pos); - node.left = entity; - node.right = parseRightSideOfDot(allowReservedWords); - entity = finishNode(node); - } - return entity; - } - function parseRightSideOfDot(allowIdentifierNames) { - // Technically a keyword is valid here as all identifiers and keywords are identifier names. - // However, often we'll encounter this in error situations when the identifier or keyword - // is actually starting another valid construct. - // - // So, we check for the following specific case: - // - // name. - // identifierOrKeyword identifierNameOrKeyword - // - // Note: the newlines are important here. For example, if that above code - // were rewritten into: - // - // name.identifierOrKeyword - // identifierNameOrKeyword - // - // Then we would consider it valid. That's because ASI would take effect and - // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword". - // In the first case though, ASI will not take effect because there is not a - // line terminator after the identifier or keyword. - if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { - var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - if (matchesPattern) { - // Report that we need an identifier. However, report it right after the dot, - // and not on the next token. This is because the next token might actually - // be an identifier and the error would be quite confusing. - return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected); - } - } - return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); - } - function parseTemplateExpression() { - var template = createNode(186 /* TemplateExpression */); - template.head = parseTemplateLiteralFragment(); - ts.Debug.assert(template.head.kind === 12 /* TemplateHead */, "Template head has wrong token kind"); - var templateSpans = []; - templateSpans.pos = getNodePos(); - do { - templateSpans.push(parseTemplateSpan()); - } while (ts.lastOrUndefined(templateSpans).literal.kind === 13 /* TemplateMiddle */); - templateSpans.end = getNodeEnd(); - template.templateSpans = templateSpans; - return finishNode(template); - } - function parseTemplateSpan() { - var span = createNode(193 /* TemplateSpan */); - span.expression = allowInAnd(parseExpression); - var literal; - if (token === 16 /* CloseBraceToken */) { - reScanTemplateToken(); - literal = parseTemplateLiteralFragment(); - } - else { - literal = parseExpectedToken(14 /* TemplateTail */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(16 /* CloseBraceToken */)); - } - span.literal = literal; - return finishNode(span); - } - function parseStringLiteralTypeNode() { - return parseLiteralLikeNode(163 /* StringLiteralType */, /*internName*/ true); - } - function parseLiteralNode(internName) { - return parseLiteralLikeNode(token, internName); - } - function parseTemplateLiteralFragment() { - return parseLiteralLikeNode(token, /*internName*/ false); - } - function parseLiteralLikeNode(kind, internName) { - var node = createNode(kind); - var text = scanner.getTokenValue(); - node.text = internName ? internIdentifier(text) : text; - if (scanner.hasExtendedUnicodeEscape()) { - node.hasExtendedUnicodeEscape = true; - } - if (scanner.isUnterminated()) { - node.isUnterminated = true; - } - var tokenPos = scanner.getTokenPos(); - nextToken(); - finishNode(node); - // Octal literals are not allowed in strict mode or ES5 - // Note that theoretically the following condition would hold true literals like 009, - // which is not octal.But because of how the scanner separates the tokens, we would - // never get a token like this. Instead, we would get 00 and 9 as two separate tokens. - // We also do not need to check for negatives because any prefix operator would be part of a - // parent unary expression. - if (node.kind === 8 /* NumericLiteral */ - && sourceText.charCodeAt(tokenPos) === 48 /* _0 */ - && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { - node.flags |= 32768 /* OctalLiteral */; - } - return node; - } - // TYPES - function parseTypeReference() { - var typeName = parseEntityName(/*allowReservedWords*/ false, ts.Diagnostics.Type_expected); - var node = createNode(152 /* TypeReference */, typeName.pos); - node.typeName = typeName; - if (!scanner.hasPrecedingLineBreak() && token === 25 /* LessThanToken */) { - node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - return finishNode(node); - } - function parseThisTypePredicate(lhs) { - nextToken(); - var node = createNode(151 /* TypePredicate */, lhs.pos); - node.parameterName = lhs; - node.type = parseType(); - return finishNode(node); - } - function parseThisTypeNode() { - var node = createNode(162 /* ThisType */); - nextToken(); - return finishNode(node); - } - function parseTypeQuery() { - var node = createNode(155 /* TypeQuery */); - parseExpected(101 /* TypeOfKeyword */); - node.exprName = parseEntityName(/*allowReservedWords*/ true); - return finishNode(node); - } - function parseTypeParameter() { - var node = createNode(138 /* TypeParameter */); - node.name = parseIdentifier(); - if (parseOptional(83 /* ExtendsKeyword */)) { - // It's not uncommon for people to write improper constraints to a generic. If the - // user writes a constraint that is an expression and not an actual type, then parse - // it out as an expression (so we can recover well), but report that a type is needed - // instead. - if (isStartOfType() || !isStartOfExpression()) { - node.constraint = parseType(); - } - else { - // It was not a type, and it looked like an expression. Parse out an expression - // here so we recover well. Note: it is important that we call parseUnaryExpression - // and not parseExpression here. If the user has: - // - // - // - // We do *not* want to consume the > as we're consuming the expression for "". - node.expression = parseUnaryExpressionOrHigher(); - } - } - return finishNode(node); - } - function parseTypeParameters() { - if (token === 25 /* LessThanToken */) { - return parseBracketedList(17 /* TypeParameters */, parseTypeParameter, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - } - function parseParameterType() { - if (parseOptional(54 /* ColonToken */)) { - return parseType(); - } - return undefined; - } - function isStartOfParameter() { - return token === 22 /* DotDotDotToken */ || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55 /* AtToken */; - } - function setModifiers(node, modifiers) { - if (modifiers) { - node.flags |= modifiers.flags; - node.modifiers = modifiers; - } - } - function parseParameter() { - var node = createNode(139 /* Parameter */); - node.decorators = parseDecorators(); - setModifiers(node, parseModifiers()); - node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); - // FormalParameter [Yield,Await]: - // BindingElement[?Yield,?Await] - node.name = parseIdentifierOrPattern(); - if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { - // in cases like - // 'use strict' - // function foo(static) - // isParameter('static') === true, because of isModifier('static') - // however 'static' is not a legal identifier in a strict mode. - // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined) - // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM) - // to avoid this we'll advance cursor to the next token. - nextToken(); - } - node.questionToken = parseOptionalToken(53 /* QuestionToken */); - node.type = parseParameterType(); - node.initializer = parseBindingElementInitializer(/*inParameter*/ true); - // Do not check for initializers in an ambient context for parameters. This is not - // a grammar error because the grammar allows arbitrary call signatures in - // an ambient context. - // It is actually not necessary for this to be an error at all. The reason is that - // function/constructor implementations are syntactically disallowed in ambient - // contexts. In addition, parameter initializers are semantically disallowed in - // overload signatures. So parameter initializers are transitively disallowed in - // ambient contexts. - return addJSDocComment(finishNode(node)); - } - function parseBindingElementInitializer(inParameter) { - return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); - } - function parseParameterInitializer() { - return parseInitializer(/*inParameter*/ true); - } - function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { - var returnTokenRequired = returnToken === 34 /* EqualsGreaterThanToken */; - signature.typeParameters = parseTypeParameters(); - signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); - if (returnTokenRequired) { - parseExpected(returnToken); - signature.type = parseTypeOrTypePredicate(); - } - else if (parseOptional(returnToken)) { - signature.type = parseTypeOrTypePredicate(); - } - } - function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { - // FormalParameters [Yield,Await]: (modified) - // [empty] - // FormalParameterList[?Yield,Await] - // - // FormalParameter[Yield,Await]: (modified) - // BindingElement[?Yield,Await] - // - // BindingElement [Yield,Await]: (modified) - // SingleNameBinding[?Yield,?Await] - // BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt - // - // SingleNameBinding [Yield,Await]: - // BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt - if (parseExpected(17 /* OpenParenToken */)) { - var savedYieldContext = inYieldContext(); - var savedAwaitContext = inAwaitContext(); - setYieldContext(yieldContext); - setAwaitContext(awaitContext); - var result = parseDelimitedList(16 /* Parameters */, parseParameter); - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - if (!parseExpected(18 /* CloseParenToken */) && requireCompleteParameterList) { - // Caller insisted that we had to end with a ) We didn't. So just return - // undefined here. - return undefined; - } - return result; - } - // We didn't even have an open paren. If the caller requires a complete parameter list, - // we definitely can't provide that. However, if they're ok with an incomplete one, - // then just return an empty set of parameters. - return requireCompleteParameterList ? undefined : createMissingList(); - } - function parseTypeMemberSemicolon() { - // We allow type members to be separated by commas or (possibly ASI) semicolons. - // First check if it was a comma. If so, we're done with the member. - if (parseOptional(24 /* CommaToken */)) { - return; - } - // Didn't have a comma. We must have a (possible ASI) semicolon. - parseSemicolon(); - } - function parseSignatureMember(kind) { - var node = createNode(kind); - if (kind === 149 /* ConstructSignature */) { - parseExpected(92 /* NewKeyword */); - } - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function isIndexSignature() { - if (token !== 19 /* OpenBracketToken */) { - return false; - } - return lookAhead(isUnambiguouslyIndexSignature); - } - function isUnambiguouslyIndexSignature() { - // The only allowed sequence is: - // - // [id: - // - // However, for error recovery, we also check the following cases: - // - // [... - // [id, - // [id?, - // [id?: - // [id?] - // [public id - // [private id - // [protected id - // [] - // - nextToken(); - if (token === 22 /* DotDotDotToken */ || token === 20 /* CloseBracketToken */) { - return true; - } - if (ts.isModifierKind(token)) { - nextToken(); - if (isIdentifier()) { - return true; - } - } - else if (!isIdentifier()) { - return false; - } - else { - // Skip the identifier - nextToken(); - } - // A colon signifies a well formed indexer - // A comma should be a badly formed indexer because comma expressions are not allowed - // in computed properties. - if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */) { - return true; - } - // Question mark could be an indexer with an optional property, - // or it could be a conditional expression in a computed property. - if (token !== 53 /* QuestionToken */) { - return false; - } - // If any of the following tokens are after the question mark, it cannot - // be a conditional expression, so treat it as an indexer. - nextToken(); - return token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || token === 20 /* CloseBracketToken */; - } - function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { - var node = createNode(150 /* IndexSignature */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.parameters = parseBracketedList(16 /* Parameters */, parseParameter, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); - node.type = parseTypeAnnotation(); - parseTypeMemberSemicolon(); - return finishNode(node); - } - function parsePropertyOrMethodSignature() { - var fullStart = scanner.getStartPos(); - var name = parsePropertyName(); - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - var method = createNode(143 /* MethodSignature */, fullStart); - method.name = name; - method.questionToken = questionToken; - // Method signatues don't exist in expression contexts. So they have neither - // [Yield] nor [Await] - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, method); - parseTypeMemberSemicolon(); - return finishNode(method); - } - else { - var property = createNode(141 /* PropertySignature */, fullStart); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - if (token === 56 /* EqualsToken */) { - // Although type literal properties cannot not have initializers, we attempt - // to parse an initializer so we can report in the checker that an interface - // property or type literal property cannot have an initializer. - property.initializer = parseNonParameterInitializer(); - } - parseTypeMemberSemicolon(); - return finishNode(property); - } - } - function isStartOfTypeMember() { - switch (token) { - case 17 /* OpenParenToken */: - case 25 /* LessThanToken */: - case 19 /* OpenBracketToken */: - return true; - default: - if (ts.isModifierKind(token)) { - var result = lookAhead(isStartOfIndexSignatureDeclaration); - if (result) { - return result; - } - } - return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); - } - } - function isStartOfIndexSignatureDeclaration() { - while (ts.isModifierKind(token)) { - nextToken(); - } - return isIndexSignature(); - } - function isTypeMemberWithLiteralPropertyName() { - nextToken(); - return token === 17 /* OpenParenToken */ || - token === 25 /* LessThanToken */ || - token === 53 /* QuestionToken */ || - token === 54 /* ColonToken */ || - canParseSemicolon(); - } - function parseTypeMember() { - switch (token) { - case 17 /* OpenParenToken */: - case 25 /* LessThanToken */: - return parseSignatureMember(148 /* CallSignature */); - case 19 /* OpenBracketToken */: - // Indexer or computed property - return isIndexSignature() - ? parseIndexSignatureDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined) - : parsePropertyOrMethodSignature(); - case 92 /* NewKeyword */: - if (lookAhead(isStartOfConstructSignature)) { - return parseSignatureMember(149 /* ConstructSignature */); - } - // fall through. - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - return parsePropertyOrMethodSignature(); - default: - // Index declaration as allowed as a type member. But as per the grammar, - // they also allow modifiers. So we have to check for an index declaration - // that might be following modifiers. This ensures that things work properly - // when incrementally parsing as the parser will produce the Index declaration - // if it has the same text regardless of whether it is inside a class or an - // object type. - if (ts.isModifierKind(token)) { - var result = tryParse(parseIndexSignatureWithModifiers); - if (result) { - return result; - } - } - if (ts.tokenIsIdentifierOrKeyword(token)) { - return parsePropertyOrMethodSignature(); - } - } - } - function parseIndexSignatureWithModifiers() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - return isIndexSignature() - ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) - : undefined; - } - function isStartOfConstructSignature() { - nextToken(); - return token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */; - } - function parseTypeLiteral() { - var node = createNode(156 /* TypeLiteral */); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseObjectTypeMembers() { - var members; - if (parseExpected(15 /* OpenBraceToken */)) { - members = parseList(4 /* TypeMembers */, parseTypeMember); - parseExpected(16 /* CloseBraceToken */); - } - else { - members = createMissingList(); - } - return members; - } - function parseTupleType() { - var node = createNode(158 /* TupleType */); - node.elementTypes = parseBracketedList(19 /* TupleElementTypes */, parseType, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); - return finishNode(node); - } - function parseParenthesizedType() { - var node = createNode(161 /* ParenthesizedType */); - parseExpected(17 /* OpenParenToken */); - node.type = parseType(); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseFunctionOrConstructorType(kind) { - var node = createNode(kind); - if (kind === 154 /* ConstructorType */) { - parseExpected(92 /* NewKeyword */); - } - fillSignature(34 /* EqualsGreaterThanToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - return finishNode(node); - } - function parseKeywordAndNoDot() { - var node = parseTokenNode(); - return token === 21 /* DotToken */ ? undefined : node; - } - function parseNonArrayType() { - switch (token) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - // If these are followed by a dot, then parse these out as a dotted type reference instead. - var node = tryParse(parseKeywordAndNoDot); - return node || parseTypeReference(); - case 9 /* StringLiteral */: - return parseStringLiteralTypeNode(); - case 103 /* VoidKeyword */: - return parseTokenNode(); - case 97 /* ThisKeyword */: { - var thisKeyword = parseThisTypeNode(); - if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { - return parseThisTypePredicate(thisKeyword); - } - else { - return thisKeyword; - } - } - case 101 /* TypeOfKeyword */: - return parseTypeQuery(); - case 15 /* OpenBraceToken */: - return parseTypeLiteral(); - case 19 /* OpenBracketToken */: - return parseTupleType(); - case 17 /* OpenParenToken */: - return parseParenthesizedType(); - default: - return parseTypeReference(); - } - } - function isStartOfType() { - switch (token) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 97 /* ThisKeyword */: - case 101 /* TypeOfKeyword */: - case 15 /* OpenBraceToken */: - case 19 /* OpenBracketToken */: - case 25 /* LessThanToken */: - case 92 /* NewKeyword */: - case 9 /* StringLiteral */: - return true; - case 17 /* OpenParenToken */: - // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier, - // or something that starts a type. We don't want to consider things like '(1)' a type. - return lookAhead(isStartOfParenthesizedOrFunctionType); - default: - return isIdentifier(); - } - } - function isStartOfParenthesizedOrFunctionType() { - nextToken(); - return token === 18 /* CloseParenToken */ || isStartOfParameter() || isStartOfType(); - } - function parseArrayTypeOrHigher() { - var type = parseNonArrayType(); - while (!scanner.hasPrecedingLineBreak() && parseOptional(19 /* OpenBracketToken */)) { - parseExpected(20 /* CloseBracketToken */); - var node = createNode(157 /* ArrayType */, type.pos); - node.elementType = type; - type = finishNode(node); - } - return type; - } - function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { - var type = parseConstituentType(); - if (token === operator) { - var types = [type]; - types.pos = type.pos; - while (parseOptional(operator)) { - types.push(parseConstituentType()); - } - types.end = getNodeEnd(); - var node = createNode(kind, type.pos); - node.types = types; - type = finishNode(node); - } - return type; - } - function parseIntersectionTypeOrHigher() { - return parseUnionOrIntersectionType(160 /* IntersectionType */, parseArrayTypeOrHigher, 46 /* AmpersandToken */); - } - function parseUnionTypeOrHigher() { - return parseUnionOrIntersectionType(159 /* UnionType */, parseIntersectionTypeOrHigher, 47 /* BarToken */); - } - function isStartOfFunctionType() { - if (token === 25 /* LessThanToken */) { - return true; - } - return token === 17 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType); - } - function isUnambiguouslyStartOfFunctionType() { - nextToken(); - if (token === 18 /* CloseParenToken */ || token === 22 /* DotDotDotToken */) { - // ( ) - // ( ... - return true; - } - if (isIdentifier() || ts.isModifierKind(token)) { - nextToken(); - if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || - token === 53 /* QuestionToken */ || token === 56 /* EqualsToken */ || - isIdentifier() || ts.isModifierKind(token)) { - // ( id : - // ( id , - // ( id ? - // ( id = - // ( modifier id - return true; - } - if (token === 18 /* CloseParenToken */) { - nextToken(); - if (token === 34 /* EqualsGreaterThanToken */) { - // ( id ) => - return true; - } - } - } - return false; - } - function parseTypeOrTypePredicate() { - var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); - var type = parseType(); - if (typePredicateVariable) { - var node = createNode(151 /* TypePredicate */, typePredicateVariable.pos); - node.parameterName = typePredicateVariable; - node.type = type; - return finishNode(node); - } - else { - return type; - } - } - function parseTypePredicatePrefix() { - var id = parseIdentifier(); - if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { - nextToken(); - return id; - } - } - function parseType() { - // The rules about 'yield' only apply to actual code/expression contexts. They don't - // apply to 'type' contexts. So we disable these parameters here before moving on. - return doOutsideOfContext(10 /* TypeExcludesFlags */, parseTypeWorker); - } - function parseTypeWorker() { - if (isStartOfFunctionType()) { - return parseFunctionOrConstructorType(153 /* FunctionType */); - } - if (token === 92 /* NewKeyword */) { - return parseFunctionOrConstructorType(154 /* ConstructorType */); - } - return parseUnionTypeOrHigher(); - } - function parseTypeAnnotation() { - return parseOptional(54 /* ColonToken */) ? parseType() : undefined; - } - // EXPRESSIONS - function isStartOfLeftHandSideExpression() { - switch (token) { - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 12 /* TemplateHead */: - case 17 /* OpenParenToken */: - case 19 /* OpenBracketToken */: - case 15 /* OpenBraceToken */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 92 /* NewKeyword */: - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - case 69 /* Identifier */: - return true; - default: - return isIdentifier(); - } - } - function isStartOfExpression() { - if (isStartOfLeftHandSideExpression()) { - return true; - } - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 78 /* DeleteKeyword */: - case 101 /* TypeOfKeyword */: - case 103 /* VoidKeyword */: - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - case 25 /* LessThanToken */: - case 119 /* AwaitKeyword */: - case 114 /* YieldKeyword */: - // Yield/await always starts an expression. Either it is an identifier (in which case - // it is definitely an expression). Or it's a keyword (either because we're in - // a generator or async function, or in strict mode (or both)) and it started a yield or await expression. - return true; - default: - // Error tolerance. If we see the start of some binary operator, we consider - // that the start of an expression. That way we'll parse out a missing identifier, - // give a good message about an identifier being missing, and then consume the - // rest of the binary expression. - if (isBinaryOperator()) { - return true; - } - return isIdentifier(); - } - } - function isStartOfExpressionStatement() { - // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement. - return token !== 15 /* OpenBraceToken */ && - token !== 87 /* FunctionKeyword */ && - token !== 73 /* ClassKeyword */ && - token !== 55 /* AtToken */ && - isStartOfExpression(); - } - function parseExpression() { - // Expression[in]: - // AssignmentExpression[in] - // Expression[in] , AssignmentExpression[in] - // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var expr = parseAssignmentExpressionOrHigher(); - var operatorToken; - while ((operatorToken = parseOptionalToken(24 /* CommaToken */))) { - expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); - } - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - return expr; - } - function parseInitializer(inParameter) { - if (token !== 56 /* EqualsToken */) { - // It's not uncommon during typing for the user to miss writing the '=' token. Check if - // there is no newline after the last token and if we're on an expression. If so, parse - // this as an equals-value clause with a missing equals. - // NOTE: There are two places where we allow equals-value clauses. The first is in a - // variable declarator. The second is with a parameter. For variable declarators - // it's more likely that a { would be a allowed (as an object literal). While this - // is also allowed for parameters, the risk is that we consume the { as an object - // literal when it really will be for the block following the parameter. - if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15 /* OpenBraceToken */) || !isStartOfExpression()) { - // preceding line break, open brace in a parameter (likely a function body) or current token is not an expression - - // do not try to parse initializer - return undefined; - } - } - // Initializer[In, Yield] : - // = AssignmentExpression[?In, ?Yield] - parseExpected(56 /* EqualsToken */); - return parseAssignmentExpressionOrHigher(); - } - function parseAssignmentExpressionOrHigher() { - // AssignmentExpression[in,yield]: - // 1) ConditionalExpression[?in,?yield] - // 2) LeftHandSideExpression = AssignmentExpression[?in,?yield] - // 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield] - // 4) ArrowFunctionExpression[?in,?yield] - // 5) [+Yield] YieldExpression[?In] - // - // Note: for ease of implementation we treat productions '2' and '3' as the same thing. - // (i.e. they're both BinaryExpressions with an assignment operator in it). - // First, do the simple check if we have a YieldExpression (production '5'). - if (isYieldExpression()) { - return parseYieldExpression(); - } - // Then, check if we have an arrow function (production '4') that starts with a parenthesized - // parameter list. If we do, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is - // not a LeftHandSideExpression, nor does it start a ConditionalExpression. So we are done - // with AssignmentExpression if we see one. - var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); - if (arrowExpression) { - return arrowExpression; - } - // Now try to see if we're in production '1', '2' or '3'. A conditional expression can - // start with a LogicalOrExpression, while the assignment productions can only start with - // LeftHandSideExpressions. - // - // So, first, we try to just parse out a BinaryExpression. If we get something that is a - // LeftHandSide or higher, then we can try to parse out the assignment expression part. - // Otherwise, we try to parse out the conditional expression bit. We want to allow any - // binary expression here, so we pass in the 'lowest' precedence here so that it matches - // and consumes anything. - var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0); - // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized - // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single - // identifier and the current token is an arrow. - if (expr.kind === 69 /* Identifier */ && token === 34 /* EqualsGreaterThanToken */) { - return parseSimpleArrowFunctionExpression(expr); - } - // Now see if we might be in cases '2' or '3'. - // If the expression was a LHS expression, and we have an assignment operator, then - // we're in '2' or '3'. Consume the assignment and return. - // - // Note: we call reScanGreaterToken so that we get an appropriately merged token - // for cases like > > = becoming >>= - if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { - return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); - } - // It wasn't an assignment or a lambda. This is a conditional expression: - return parseConditionalExpressionRest(expr); - } - function isYieldExpression() { - if (token === 114 /* YieldKeyword */) { - // If we have a 'yield' keyword, and htis is a context where yield expressions are - // allowed, then definitely parse out a yield expression. - if (inYieldContext()) { - return true; - } - // We're in a context where 'yield expr' is not allowed. However, if we can - // definitely tell that the user was trying to parse a 'yield expr' and not - // just a normal expr that start with a 'yield' identifier, then parse out - // a 'yield expr'. We can then report an error later that they are only - // allowed in generator expressions. - // - // for example, if we see 'yield(foo)', then we'll have to treat that as an - // invocation expression of something called 'yield'. However, if we have - // 'yield foo' then that is not legal as a normal expression, so we can - // definitely recognize this as a yield expression. - // - // for now we just check if the next token is an identifier. More heuristics - // can be added here later as necessary. We just need to make sure that we - // don't accidently consume something legal. - return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); - } - return false; - } - function nextTokenIsIdentifierOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && isIdentifier(); - } - function parseYieldExpression() { - var node = createNode(187 /* YieldExpression */); - // YieldExpression[In] : - // yield - // yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] - // yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] - nextToken(); - if (!scanner.hasPrecedingLineBreak() && - (token === 37 /* AsteriskToken */ || isStartOfExpression())) { - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - else { - // if the next token is not on the same line as yield. or we don't have an '*' or - // the start of an expressin, then this is just a simple "yield" expression. - return finishNode(node); - } - } - function parseSimpleArrowFunctionExpression(identifier) { - ts.Debug.assert(token === 34 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); - var node = createNode(177 /* ArrowFunction */, identifier.pos); - var parameter = createNode(139 /* Parameter */, identifier.pos); - parameter.name = identifier; - finishNode(parameter); - node.parameters = [parameter]; - node.parameters.pos = parameter.pos; - node.parameters.end = parameter.end; - node.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); - node.body = parseArrowFunctionExpressionBody(/*isAsync*/ false); - return finishNode(node); - } - function tryParseParenthesizedArrowFunctionExpression() { - var triState = isParenthesizedArrowFunctionExpression(); - if (triState === 0 /* False */) { - // It's definitely not a parenthesized arrow function expression. - return undefined; - } - // If we definitely have an arrow function, then we can just parse one, not requiring a - // following => or { token. Otherwise, we *might* have an arrow function. Try to parse - // it out, but don't allow any ambiguity, and return 'undefined' if this could be an - // expression instead. - var arrowFunction = triState === 1 /* True */ - ? parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ true) - : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); - if (!arrowFunction) { - // Didn't appear to actually be a parenthesized arrow function. Just bail out. - return undefined; - } - var isAsync = !!(arrowFunction.flags & 256 /* Async */); - // If we have an arrow, then try to parse the body. Even if not, try to parse if we - // have an opening brace, just in case we're in an error state. - var lastToken = token; - arrowFunction.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); - arrowFunction.body = (lastToken === 34 /* EqualsGreaterThanToken */ || lastToken === 15 /* OpenBraceToken */) - ? parseArrowFunctionExpressionBody(isAsync) - : parseIdentifier(); - return finishNode(arrowFunction); - } - // True -> We definitely expect a parenthesized arrow function here. - // False -> There *cannot* be a parenthesized arrow function here. - // Unknown -> There *might* be a parenthesized arrow function here. - // Speculatively look ahead to be sure, and rollback if not. - function isParenthesizedArrowFunctionExpression() { - if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */ || token === 118 /* AsyncKeyword */) { - return lookAhead(isParenthesizedArrowFunctionExpressionWorker); - } - if (token === 34 /* EqualsGreaterThanToken */) { - // ERROR RECOVERY TWEAK: - // If we see a standalone => try to parse it as an arrow function expression as that's - // likely what the user intended to write. - return 1 /* True */; - } - // Definitely not a parenthesized arrow function. - return 0 /* False */; - } - function isParenthesizedArrowFunctionExpressionWorker() { - if (token === 118 /* AsyncKeyword */) { - nextToken(); - if (scanner.hasPrecedingLineBreak()) { - return 0 /* False */; - } - if (token !== 17 /* OpenParenToken */ && token !== 25 /* LessThanToken */) { - return 0 /* False */; - } - } - var first = token; - var second = nextToken(); - if (first === 17 /* OpenParenToken */) { - if (second === 18 /* CloseParenToken */) { - // Simple cases: "() =>", "(): ", and "() {". - // This is an arrow function with no parameters. - // The last one is not actually an arrow function, - // but this is probably what the user intended. - var third = nextToken(); - switch (third) { - case 34 /* EqualsGreaterThanToken */: - case 54 /* ColonToken */: - case 15 /* OpenBraceToken */: - return 1 /* True */; - default: - return 0 /* False */; - } - } - // If encounter "([" or "({", this could be the start of a binding pattern. - // Examples: - // ([ x ]) => { } - // ({ x }) => { } - // ([ x ]) - // ({ x }) - if (second === 19 /* OpenBracketToken */ || second === 15 /* OpenBraceToken */) { - return 2 /* Unknown */; - } - // Simple case: "(..." - // This is an arrow function with a rest parameter. - if (second === 22 /* DotDotDotToken */) { - return 1 /* True */; - } - // If we had "(" followed by something that's not an identifier, - // then this definitely doesn't look like a lambda. - // Note: we could be a little more lenient and allow - // "(public" or "(private". These would not ever actually be allowed, - // but we could provide a good error message instead of bailing out. - if (!isIdentifier()) { - return 0 /* False */; - } - // If we have something like "(a:", then we must have a - // type-annotated parameter in an arrow function expression. - if (nextToken() === 54 /* ColonToken */) { - return 1 /* True */; - } - // This *could* be a parenthesized arrow function. - // Return Unknown to let the caller know. - return 2 /* Unknown */; - } - else { - ts.Debug.assert(first === 25 /* LessThanToken */); - // If we have "<" not followed by an identifier, - // then this definitely is not an arrow function. - if (!isIdentifier()) { - return 0 /* False */; - } - // JSX overrides - if (sourceFile.languageVariant === 1 /* JSX */) { - var isArrowFunctionInJsx = lookAhead(function () { - var third = nextToken(); - if (third === 83 /* ExtendsKeyword */) { - var fourth = nextToken(); - switch (fourth) { - case 56 /* EqualsToken */: - case 27 /* GreaterThanToken */: - return false; - default: - return true; - } - } - else if (third === 24 /* CommaToken */) { - return true; - } - return false; - }); - if (isArrowFunctionInJsx) { - return 1 /* True */; - } - return 0 /* False */; - } - // This *could* be a parenthesized arrow function. - return 2 /* Unknown */; - } - } - function parsePossibleParenthesizedArrowFunctionExpressionHead() { - return parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ false); - } - function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { - var node = createNode(177 /* ArrowFunction */); - setModifiers(node, parseModifiersForArrowFunction()); - var isAsync = !!(node.flags & 256 /* Async */); - // Arrow functions are never generators. - // - // If we're speculatively parsing a signature for a parenthesized arrow function, then - // we have to have a complete parameter list. Otherwise we might see something like - // a => (b => c) - // And think that "(b =>" was actually a parenthesized arrow function with a missing - // close paren. - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ !allowAmbiguity, node); - // If we couldn't get parameters, we definitely could not parse out an arrow function. - if (!node.parameters) { - return undefined; - } - // Parsing a signature isn't enough. - // Parenthesized arrow signatures often look like other valid expressions. - // For instance: - // - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value. - // - "(x,y)" is a comma expression parsed as a signature with two parameters. - // - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation. - // - // So we need just a bit of lookahead to ensure that it can only be a signature. - if (!allowAmbiguity && token !== 34 /* EqualsGreaterThanToken */ && token !== 15 /* OpenBraceToken */) { - // Returning undefined here will cause our caller to rewind to where we started from. - return undefined; - } - return node; - } - function parseArrowFunctionExpressionBody(isAsync) { - if (token === 15 /* OpenBraceToken */) { - return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); - } - if (token !== 23 /* SemicolonToken */ && - token !== 87 /* FunctionKeyword */ && - token !== 73 /* ClassKeyword */ && - isStartOfStatement() && - !isStartOfExpressionStatement()) { - // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations) - // - // Here we try to recover from a potential error situation in the case where the - // user meant to supply a block. For example, if the user wrote: - // - // a => - // let v = 0; - // } - // - // they may be missing an open brace. Check to see if that's the case so we can - // try to recover better. If we don't do this, then the next close curly we see may end - // up preemptively closing the containing construct. - // - // Note: even when 'ignoreMissingOpenBrace' is passed as true, parseBody will still error. - return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ true); - } - return isAsync - ? doInAwaitContext(parseAssignmentExpressionOrHigher) - : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); - } - function parseConditionalExpressionRest(leftOperand) { - // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (!questionToken) { - return leftOperand; - } - // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and - // we do not that for the 'whenFalse' part. - var node = createNode(185 /* ConditionalExpression */, leftOperand.pos); - node.condition = leftOperand; - node.questionToken = questionToken; - node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); - node.colonToken = parseExpectedToken(54 /* ColonToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(54 /* ColonToken */)); - node.whenFalse = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseBinaryExpressionOrHigher(precedence) { - var leftOperand = parseUnaryExpressionOrHigher(); - return parseBinaryExpressionRest(precedence, leftOperand); - } - function isInOrOfKeyword(t) { - return t === 90 /* InKeyword */ || t === 135 /* OfKeyword */; - } - function parseBinaryExpressionRest(precedence, leftOperand) { - while (true) { - // We either have a binary operator here, or we're finished. We call - // reScanGreaterToken so that we merge token sequences like > and = into >= - reScanGreaterToken(); - var newPrecedence = getBinaryOperatorPrecedence(); - // Check the precedence to see if we should "take" this operator - // - For left associative operator (all operator but **), consume the operator, - // recursively call the function below, and parse binaryExpression as a rightOperand - // of the caller if the new precendence of the operator is greater then or equal to the current precendence. - // For example: - // a - b - c; - // ^token; leftOperand = b. Return b to the caller as a rightOperand - // a * b - c - // ^token; leftOperand = b. Return b to the caller as a rightOperand - // a - b * c; - // ^token; leftOperand = b. Return b * c to the caller as a rightOperand - // - For right associative operator (**), consume the operator, recursively call the function - // and parse binaryExpression as a rightOperand of the caller if the new precendence of - // the operator is strictly grater than the current precendence - // For example: - // a ** b ** c; - // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand - // a - b ** c; - // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand - // a ** b - c - // ^token; leftOperand = b. Return b to the caller as a rightOperand - var consumeCurrentOperator = token === 38 /* AsteriskAsteriskToken */ ? - newPrecedence >= precedence : - newPrecedence > precedence; - if (!consumeCurrentOperator) { - break; - } - if (token === 90 /* InKeyword */ && inDisallowInContext()) { - break; - } - if (token === 116 /* AsKeyword */) { - // Make sure we *do* perform ASI for constructs like this: - // var x = foo - // as (Bar) - // This should be parsed as an initialized variable, followed - // by a function call to 'as' with the argument 'Bar' - if (scanner.hasPrecedingLineBreak()) { - break; - } - else { - nextToken(); - leftOperand = makeAsExpression(leftOperand, parseType()); - } - } - else { - leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); - } - } - return leftOperand; - } - function isBinaryOperator() { - if (inDisallowInContext() && token === 90 /* InKeyword */) { - return false; - } - return getBinaryOperatorPrecedence() > 0; - } - function getBinaryOperatorPrecedence() { - switch (token) { - case 52 /* BarBarToken */: - return 1; - case 51 /* AmpersandAmpersandToken */: - return 2; - case 47 /* BarToken */: - return 3; - case 48 /* CaretToken */: - return 4; - case 46 /* AmpersandToken */: - return 5; - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - return 6; - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - case 91 /* InstanceOfKeyword */: - case 90 /* InKeyword */: - case 116 /* AsKeyword */: - return 7; - case 43 /* LessThanLessThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - return 8; - case 35 /* PlusToken */: - case 36 /* MinusToken */: - return 9; - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - return 10; - case 38 /* AsteriskAsteriskToken */: - return 11; - } - // -1 is lower than all other precedences. Returning it will cause binary expression - // parsing to stop. - return -1; - } - function makeBinaryExpression(left, operatorToken, right) { - var node = createNode(184 /* BinaryExpression */, left.pos); - node.left = left; - node.operatorToken = operatorToken; - node.right = right; - return finishNode(node); - } - function makeAsExpression(left, right) { - var node = createNode(192 /* AsExpression */, left.pos); - node.expression = left; - node.type = right; - return finishNode(node); - } - function parsePrefixUnaryExpression() { - var node = createNode(182 /* PrefixUnaryExpression */); - node.operator = token; - nextToken(); - node.operand = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseDeleteExpression() { - var node = createNode(178 /* DeleteExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseTypeOfExpression() { - var node = createNode(179 /* TypeOfExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseVoidExpression() { - var node = createNode(180 /* VoidExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function isAwaitExpression() { - if (token === 119 /* AwaitKeyword */) { - if (inAwaitContext()) { - return true; - } - // here we are using similar heuristics as 'isYieldExpression' - return lookAhead(nextTokenIsIdentifierOnSameLine); - } - return false; - } - function parseAwaitExpression() { - var node = createNode(181 /* AwaitExpression */); - nextToken(); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - /** - * Parse ES7 unary expression and await expression - * - * ES7 UnaryExpression: - * 1) SimpleUnaryExpression[?yield] - * 2) IncrementExpression[?yield] ** UnaryExpression[?yield] - */ - function parseUnaryExpressionOrHigher() { - if (isAwaitExpression()) { - return parseAwaitExpression(); - } - if (isIncrementExpression()) { - var incrementExpression = parseIncrementExpression(); - return token === 38 /* AsteriskAsteriskToken */ ? - parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : - incrementExpression; - } - var unaryOperator = token; - var simpleUnaryExpression = parseSimpleUnaryExpression(); - if (token === 38 /* AsteriskAsteriskToken */) { - var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); - if (simpleUnaryExpression.kind === 174 /* TypeAssertionExpression */) { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); - } - else { - parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); - } - } - return simpleUnaryExpression; - } - /** - * Parse ES7 simple-unary expression or higher: - * - * ES7 SimpleUnaryExpression: - * 1) IncrementExpression[?yield] - * 2) delete UnaryExpression[?yield] - * 3) void UnaryExpression[?yield] - * 4) typeof UnaryExpression[?yield] - * 5) + UnaryExpression[?yield] - * 6) - UnaryExpression[?yield] - * 7) ~ UnaryExpression[?yield] - * 8) ! UnaryExpression[?yield] - */ - function parseSimpleUnaryExpression() { - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - return parsePrefixUnaryExpression(); - case 78 /* DeleteKeyword */: - return parseDeleteExpression(); - case 101 /* TypeOfKeyword */: - return parseTypeOfExpression(); - case 103 /* VoidKeyword */: - return parseVoidExpression(); - case 25 /* LessThanToken */: - // This is modified UnaryExpression grammar in TypeScript - // UnaryExpression (modified): - // < type > UnaryExpression - return parseTypeAssertion(); - default: - return parseIncrementExpression(); - } - } - /** - * Check if the current token can possibly be an ES7 increment expression. - * - * ES7 IncrementExpression: - * LeftHandSideExpression[?Yield] - * LeftHandSideExpression[?Yield][no LineTerminator here]++ - * LeftHandSideExpression[?Yield][no LineTerminator here]-- - * ++LeftHandSideExpression[?Yield] - * --LeftHandSideExpression[?Yield] - */ - function isIncrementExpression() { - // This function is called inside parseUnaryExpression to decide - // whether to call parseSimpleUnaryExpression or call parseIncrmentExpression directly - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 78 /* DeleteKeyword */: - case 101 /* TypeOfKeyword */: - case 103 /* VoidKeyword */: - return false; - case 25 /* LessThanToken */: - // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression - if (sourceFile.languageVariant !== 1 /* JSX */) { - return false; - } - // We are in JSX context and the token is part of JSXElement. - // Fall through - default: - return true; - } - } - /** - * Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. - * - * ES7 IncrementExpression[yield]: - * 1) LeftHandSideExpression[?yield] - * 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ - * 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- - * 4) ++LeftHandSideExpression[?yield] - * 5) --LeftHandSideExpression[?yield] - * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression - */ - function parseIncrementExpression() { - if (token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) { - var node = createNode(182 /* PrefixUnaryExpression */); - node.operator = token; - nextToken(); - node.operand = parseLeftHandSideExpressionOrHigher(); - return finishNode(node); - } - else if (sourceFile.languageVariant === 1 /* JSX */ && token === 25 /* LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeyword)) { - // JSXElement is part of primaryExpression - return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); - } - var expression = parseLeftHandSideExpressionOrHigher(); - ts.Debug.assert(ts.isLeftHandSideExpression(expression)); - if ((token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) { - var node = createNode(183 /* PostfixUnaryExpression */, expression.pos); - node.operand = expression; - node.operator = token; - nextToken(); - return finishNode(node); - } - return expression; - } - function parseLeftHandSideExpressionOrHigher() { - // Original Ecma: - // LeftHandSideExpression: See 11.2 - // NewExpression - // CallExpression - // - // Our simplification: - // - // LeftHandSideExpression: See 11.2 - // MemberExpression - // CallExpression - // - // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with - // MemberExpression to make our lives easier. - // - // to best understand the below code, it's important to see how CallExpression expands - // out into its own productions: - // - // CallExpression: - // MemberExpression Arguments - // CallExpression Arguments - // CallExpression[Expression] - // CallExpression.IdentifierName - // super ( ArgumentListopt ) - // super.IdentifierName - // - // Because of the recursion in these calls, we need to bottom out first. There are two - // bottom out states we can run into. Either we see 'super' which must start either of - // the last two CallExpression productions. Or we have a MemberExpression which either - // completes the LeftHandSideExpression, or starts the beginning of the first four - // CallExpression productions. - var expression = token === 95 /* SuperKeyword */ - ? parseSuperExpression() - : parseMemberExpressionOrHigher(); - // Now, we *may* be complete. However, we might have consumed the start of a - // CallExpression. As such, we need to consume the rest of it here to be complete. - return parseCallExpressionRest(expression); - } - function parseMemberExpressionOrHigher() { - // Note: to make our lives simpler, we decompose the the NewExpression productions and - // place ObjectCreationExpression and FunctionExpression into PrimaryExpression. - // like so: - // - // PrimaryExpression : See 11.1 - // this - // Identifier - // Literal - // ArrayLiteral - // ObjectLiteral - // (Expression) - // FunctionExpression - // new MemberExpression Arguments? - // - // MemberExpression : See 11.2 - // PrimaryExpression - // MemberExpression[Expression] - // MemberExpression.IdentifierName - // - // CallExpression : See 11.2 - // MemberExpression - // CallExpression Arguments - // CallExpression[Expression] - // CallExpression.IdentifierName - // - // Technically this is ambiguous. i.e. CallExpression defines: - // - // CallExpression: - // CallExpression Arguments - // - // If you see: "new Foo()" - // - // Then that could be treated as a single ObjectCreationExpression, or it could be - // treated as the invocation of "new Foo". We disambiguate that in code (to match - // the original grammar) by making sure that if we see an ObjectCreationExpression - // we always consume arguments if they are there. So we treat "new Foo()" as an - // object creation only, and not at all as an invocation) Another way to think - // about this is that for every "new" that we see, we will consume an argument list if - // it is there as part of the *associated* object creation node. Any additional - // argument lists we see, will become invocation expressions. - // - // Because there are no other places in the grammar now that refer to FunctionExpression - // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression - // production. - // - // Because CallExpression and MemberExpression are left recursive, we need to bottom out - // of the recursion immediately. So we parse out a primary expression to start with. - var expression = parsePrimaryExpression(); - return parseMemberExpressionRest(expression); - } - function parseSuperExpression() { - var expression = parseTokenNode(); - if (token === 17 /* OpenParenToken */ || token === 21 /* DotToken */ || token === 19 /* OpenBracketToken */) { - return expression; - } - // If we have seen "super" it must be followed by '(' or '.'. - // If it wasn't then just try to parse out a '.' and report an error. - var node = createNode(169 /* PropertyAccessExpression */, expression.pos); - node.expression = expression; - node.dotToken = parseExpectedToken(21 /* DotToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); - node.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); - return finishNode(node); - } - function tagNamesAreEquivalent(lhs, rhs) { - if (lhs.kind !== rhs.kind) { - return false; - } - if (lhs.kind === 69 /* Identifier */) { - return lhs.text === rhs.text; - } - return lhs.right.text === rhs.right.text && - tagNamesAreEquivalent(lhs.left, rhs.left); - } - function parseJsxElementOrSelfClosingElement(inExpressionContext) { - var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); - var result; - if (opening.kind === 238 /* JsxOpeningElement */) { - var node = createNode(236 /* JsxElement */, opening.pos); - node.openingElement = opening; - node.children = parseJsxChildren(node.openingElement.tagName); - node.closingElement = parseJsxClosingElement(inExpressionContext); - if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { - parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); - } - result = finishNode(node); - } - else { - ts.Debug.assert(opening.kind === 237 /* JsxSelfClosingElement */); - // Nothing else to do for self-closing elements - result = opening; - } - // If the user writes the invalid code '
' in an expression context (i.e. not wrapped in - // an enclosing tag), we'll naively try to parse ^ this as a 'less than' operator and the remainder of the tag - // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX - // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter - // does less damage and we can report a better error. - // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios - // of one sort or another. - if (inExpressionContext && token === 25 /* LessThanToken */) { - var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); }); - if (invalidElement) { - parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); - var badNode = createNode(184 /* BinaryExpression */, result.pos); - badNode.end = invalidElement.end; - badNode.left = result; - badNode.right = invalidElement; - badNode.operatorToken = createMissingNode(24 /* CommaToken */, /*reportAtCurrentPosition*/ false, /*diagnosticMessage*/ undefined); - badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; - return badNode; - } - } - return result; - } - function parseJsxText() { - var node = createNode(239 /* JsxText */, scanner.getStartPos()); - token = scanner.scanJsxToken(); - return finishNode(node); - } - function parseJsxChild() { - switch (token) { - case 239 /* JsxText */: - return parseJsxText(); - case 15 /* OpenBraceToken */: - return parseJsxExpression(/*inExpressionContext*/ false); - case 25 /* LessThanToken */: - return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ false); - } - ts.Debug.fail("Unknown JSX child kind " + token); - } - function parseJsxChildren(openingTagName) { - var result = []; - result.pos = scanner.getStartPos(); - var saveParsingContext = parsingContext; - parsingContext |= 1 << 14 /* JsxChildren */; - while (true) { - token = scanner.reScanJsxToken(); - if (token === 26 /* LessThanSlashToken */) { - // Closing tag - break; - } - else if (token === 1 /* EndOfFileToken */) { - // If we hit EOF, issue the error at the tag that lacks the closing element - // rather than at the end of the file (which is useless) - parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); - break; - } - result.push(parseJsxChild()); - } - result.end = scanner.getTokenPos(); - parsingContext = saveParsingContext; - return result; - } - function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { - var fullStart = scanner.getStartPos(); - parseExpected(25 /* LessThanToken */); - var tagName = parseJsxElementName(); - var attributes = parseList(13 /* JsxAttributes */, parseJsxAttribute); - var node; - if (token === 27 /* GreaterThanToken */) { - // Closing tag, so scan the immediately-following text with the JSX scanning instead - // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate - // scanning errors - node = createNode(238 /* JsxOpeningElement */, fullStart); - scanJsxText(); - } - else { - parseExpected(39 /* SlashToken */); - if (inExpressionContext) { - parseExpected(27 /* GreaterThanToken */); - } - else { - parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - node = createNode(237 /* JsxSelfClosingElement */, fullStart); - } - node.tagName = tagName; - node.attributes = attributes; - return finishNode(node); - } - function parseJsxElementName() { - scanJsxIdentifier(); - var elementName = parseIdentifierName(); - while (parseOptional(21 /* DotToken */)) { - scanJsxIdentifier(); - var node = createNode(136 /* QualifiedName */, elementName.pos); - node.left = elementName; - node.right = parseIdentifierName(); - elementName = finishNode(node); - } - return elementName; - } - function parseJsxExpression(inExpressionContext) { - var node = createNode(243 /* JsxExpression */); - parseExpected(15 /* OpenBraceToken */); - if (token !== 16 /* CloseBraceToken */) { - node.expression = parseAssignmentExpressionOrHigher(); - } - if (inExpressionContext) { - parseExpected(16 /* CloseBraceToken */); - } - else { - parseExpected(16 /* CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - return finishNode(node); - } - function parseJsxAttribute() { - if (token === 15 /* OpenBraceToken */) { - return parseJsxSpreadAttribute(); - } - scanJsxIdentifier(); - var node = createNode(241 /* JsxAttribute */); - node.name = parseIdentifierName(); - if (parseOptional(56 /* EqualsToken */)) { - switch (token) { - case 9 /* StringLiteral */: - node.initializer = parseLiteralNode(); - break; - default: - node.initializer = parseJsxExpression(/*inExpressionContext*/ true); - break; - } - } - return finishNode(node); - } - function parseJsxSpreadAttribute() { - var node = createNode(242 /* JsxSpreadAttribute */); - parseExpected(15 /* OpenBraceToken */); - parseExpected(22 /* DotDotDotToken */); - node.expression = parseExpression(); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseJsxClosingElement(inExpressionContext) { - var node = createNode(240 /* JsxClosingElement */); - parseExpected(26 /* LessThanSlashToken */); - node.tagName = parseJsxElementName(); - if (inExpressionContext) { - parseExpected(27 /* GreaterThanToken */); - } - else { - parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); - scanJsxText(); - } - return finishNode(node); - } - function parseTypeAssertion() { - var node = createNode(174 /* TypeAssertionExpression */); - parseExpected(25 /* LessThanToken */); - node.type = parseType(); - parseExpected(27 /* GreaterThanToken */); - node.expression = parseSimpleUnaryExpression(); - return finishNode(node); - } - function parseMemberExpressionRest(expression) { - while (true) { - var dotToken = parseOptionalToken(21 /* DotToken */); - if (dotToken) { - var propertyAccess = createNode(169 /* PropertyAccessExpression */, expression.pos); - propertyAccess.expression = expression; - propertyAccess.dotToken = dotToken; - propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); - expression = finishNode(propertyAccess); - continue; - } - // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName - if (!inDecoratorContext() && parseOptional(19 /* OpenBracketToken */)) { - var indexedAccess = createNode(170 /* ElementAccessExpression */, expression.pos); - indexedAccess.expression = expression; - // It's not uncommon for a user to write: "new Type[]". - // Check for that common pattern and report a better error message. - if (token !== 20 /* CloseBracketToken */) { - indexedAccess.argumentExpression = allowInAnd(parseExpression); - if (indexedAccess.argumentExpression.kind === 9 /* StringLiteral */ || indexedAccess.argumentExpression.kind === 8 /* NumericLiteral */) { - var literal = indexedAccess.argumentExpression; - literal.text = internIdentifier(literal.text); - } - } - parseExpected(20 /* CloseBracketToken */); - expression = finishNode(indexedAccess); - continue; - } - if (token === 11 /* NoSubstitutionTemplateLiteral */ || token === 12 /* TemplateHead */) { - var tagExpression = createNode(173 /* TaggedTemplateExpression */, expression.pos); - tagExpression.tag = expression; - tagExpression.template = token === 11 /* NoSubstitutionTemplateLiteral */ - ? parseLiteralNode() - : parseTemplateExpression(); - expression = finishNode(tagExpression); - continue; - } - return expression; - } - } - function parseCallExpressionRest(expression) { - while (true) { - expression = parseMemberExpressionRest(expression); - if (token === 25 /* LessThanToken */) { - // See if this is the start of a generic invocation. If so, consume it and - // keep checking for postfix expressions. Otherwise, it's just a '<' that's - // part of an arithmetic expression. Break out so we consume it higher in the - // stack. - var typeArguments = tryParse(parseTypeArgumentsInExpression); - if (!typeArguments) { - return expression; - } - var callExpr = createNode(171 /* CallExpression */, expression.pos); - callExpr.expression = expression; - callExpr.typeArguments = typeArguments; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - else if (token === 17 /* OpenParenToken */) { - var callExpr = createNode(171 /* CallExpression */, expression.pos); - callExpr.expression = expression; - callExpr.arguments = parseArgumentList(); - expression = finishNode(callExpr); - continue; - } - return expression; - } - } - function parseArgumentList() { - parseExpected(17 /* OpenParenToken */); - var result = parseDelimitedList(11 /* ArgumentExpressions */, parseArgumentExpression); - parseExpected(18 /* CloseParenToken */); - return result; - } - function parseTypeArgumentsInExpression() { - if (!parseOptional(25 /* LessThanToken */)) { - return undefined; - } - var typeArguments = parseDelimitedList(18 /* TypeArguments */, parseType); - if (!parseExpected(27 /* GreaterThanToken */)) { - // If it doesn't have the closing > then it's definitely not an type argument list. - return undefined; - } - // If we have a '<', then only parse this as a arugment list if the type arguments - // are complete and we have an open paren. if we don't, rewind and return nothing. - return typeArguments && canFollowTypeArgumentsInExpression() - ? typeArguments - : undefined; - } - function canFollowTypeArgumentsInExpression() { - switch (token) { - case 17 /* OpenParenToken */: // foo( - // this case are the only case where this token can legally follow a type argument - // list. So we definitely want to treat this as a type arg list. - case 21 /* DotToken */: // foo. - case 18 /* CloseParenToken */: // foo) - case 20 /* CloseBracketToken */: // foo] - case 54 /* ColonToken */: // foo: - case 23 /* SemicolonToken */: // foo; - case 53 /* QuestionToken */: // foo? - case 30 /* EqualsEqualsToken */: // foo == - case 32 /* EqualsEqualsEqualsToken */: // foo === - case 31 /* ExclamationEqualsToken */: // foo != - case 33 /* ExclamationEqualsEqualsToken */: // foo !== - case 51 /* AmpersandAmpersandToken */: // foo && - case 52 /* BarBarToken */: // foo || - case 48 /* CaretToken */: // foo ^ - case 46 /* AmpersandToken */: // foo & - case 47 /* BarToken */: // foo | - case 16 /* CloseBraceToken */: // foo } - case 1 /* EndOfFileToken */: - // these cases can't legally follow a type arg list. However, they're not legal - // expressions either. The user is probably in the middle of a generic type. So - // treat it as such. - return true; - case 24 /* CommaToken */: // foo, - case 15 /* OpenBraceToken */: // foo { - // We don't want to treat these as type arguments. Otherwise we'll parse this - // as an invocation expression. Instead, we want to parse out the expression - // in isolation from the type arguments. - default: - // Anything else treat as an expression. - return false; - } - } - function parsePrimaryExpression() { - switch (token) { - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - return parseLiteralNode(); - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - case 93 /* NullKeyword */: - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - return parseTokenNode(); - case 17 /* OpenParenToken */: - return parseParenthesizedExpression(); - case 19 /* OpenBracketToken */: - return parseArrayLiteralExpression(); - case 15 /* OpenBraceToken */: - return parseObjectLiteralExpression(); - case 118 /* AsyncKeyword */: - // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher. - // If we encounter `async [no LineTerminator here] function` then this is an async - // function; otherwise, its an identifier. - if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { - break; - } - return parseFunctionExpression(); - case 73 /* ClassKeyword */: - return parseClassExpression(); - case 87 /* FunctionKeyword */: - return parseFunctionExpression(); - case 92 /* NewKeyword */: - return parseNewExpression(); - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - if (reScanSlashToken() === 10 /* RegularExpressionLiteral */) { - return parseLiteralNode(); - } - break; - case 12 /* TemplateHead */: - return parseTemplateExpression(); - } - return parseIdentifier(ts.Diagnostics.Expression_expected); - } - function parseParenthesizedExpression() { - var node = createNode(175 /* ParenthesizedExpression */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseSpreadElement() { - var node = createNode(188 /* SpreadElementExpression */); - parseExpected(22 /* DotDotDotToken */); - node.expression = parseAssignmentExpressionOrHigher(); - return finishNode(node); - } - function parseArgumentOrArrayLiteralElement() { - return token === 22 /* DotDotDotToken */ ? parseSpreadElement() : - token === 24 /* CommaToken */ ? createNode(190 /* OmittedExpression */) : - parseAssignmentExpressionOrHigher(); - } - function parseArgumentExpression() { - return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); - } - function parseArrayLiteralExpression() { - var node = createNode(167 /* ArrayLiteralExpression */); - parseExpected(19 /* OpenBracketToken */); - if (scanner.hasPrecedingLineBreak()) - node.flags |= 1024 /* MultiLine */; - node.elements = parseDelimitedList(15 /* ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { - if (parseContextualModifier(123 /* GetKeyword */)) { - return parseAccessorDeclaration(146 /* GetAccessor */, fullStart, decorators, modifiers); - } - else if (parseContextualModifier(129 /* SetKeyword */)) { - return parseAccessorDeclaration(147 /* SetAccessor */, fullStart, decorators, modifiers); - } - return undefined; - } - function parseObjectLiteralElement() { - var fullStart = scanner.getStartPos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - // Disallowing of optional property assignments happens in the grammar checker. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); - } - // check if it is short-hand property assignment or normal property assignment - // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production - // CoverInitializedName[Yield] : - // IdentifierReference[?Yield] Initializer[In, ?Yield] - // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern - var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 /* CommaToken */ || token === 16 /* CloseBraceToken */ || token === 56 /* EqualsToken */); - if (isShorthandPropertyAssignment) { - var shorthandDeclaration = createNode(249 /* ShorthandPropertyAssignment */, fullStart); - shorthandDeclaration.name = propertyName; - shorthandDeclaration.questionToken = questionToken; - var equalsToken = parseOptionalToken(56 /* EqualsToken */); - if (equalsToken) { - shorthandDeclaration.equalsToken = equalsToken; - shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); - } - return addJSDocComment(finishNode(shorthandDeclaration)); - } - else { - var propertyAssignment = createNode(248 /* PropertyAssignment */, fullStart); - propertyAssignment.modifiers = modifiers; - propertyAssignment.name = propertyName; - propertyAssignment.questionToken = questionToken; - parseExpected(54 /* ColonToken */); - propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); - return addJSDocComment(finishNode(propertyAssignment)); - } - } - function parseObjectLiteralExpression() { - var node = createNode(168 /* ObjectLiteralExpression */); - parseExpected(15 /* OpenBraceToken */); - if (scanner.hasPrecedingLineBreak()) { - node.flags |= 1024 /* MultiLine */; - } - node.properties = parseDelimitedList(12 /* ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimeter*/ true); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseFunctionExpression() { - // GeneratorExpression: - // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody } - // - // FunctionExpression: - // function BindingIdentifier[opt](FormalParameters){ FunctionBody } - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var node = createNode(176 /* FunctionExpression */); - setModifiers(node, parseModifiers()); - parseExpected(87 /* FunctionKeyword */); - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256 /* Async */); - node.name = - isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : - isGenerator ? doInYieldContext(parseOptionalIdentifier) : - isAsync ? doInAwaitContext(parseOptionalIdentifier) : - parseOptionalIdentifier(); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlock(/*allowYield*/ isGenerator, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - return addJSDocComment(finishNode(node)); - } - function parseOptionalIdentifier() { - return isIdentifier() ? parseIdentifier() : undefined; - } - function parseNewExpression() { - var node = createNode(172 /* NewExpression */); - parseExpected(92 /* NewKeyword */); - node.expression = parseMemberExpressionOrHigher(); - node.typeArguments = tryParse(parseTypeArgumentsInExpression); - if (node.typeArguments || token === 17 /* OpenParenToken */) { - node.arguments = parseArgumentList(); - } - return finishNode(node); - } - // STATEMENTS - function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { - var node = createNode(195 /* Block */); - if (parseExpected(15 /* OpenBraceToken */, diagnosticMessage) || ignoreMissingOpenBrace) { - node.statements = parseList(1 /* BlockStatements */, parseStatement); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { - var savedYieldContext = inYieldContext(); - setYieldContext(allowYield); - var savedAwaitContext = inAwaitContext(); - setAwaitContext(allowAwait); - // We may be in a [Decorator] context when parsing a function expression or - // arrow function. The body of the function is not in [Decorator] context. - var saveDecoratorContext = inDecoratorContext(); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ false); - } - var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); - if (saveDecoratorContext) { - setDecoratorContext(/*val*/ true); - } - setYieldContext(savedYieldContext); - setAwaitContext(savedAwaitContext); - return block; - } - function parseEmptyStatement() { - var node = createNode(197 /* EmptyStatement */); - parseExpected(23 /* SemicolonToken */); - return finishNode(node); - } - function parseIfStatement() { - var node = createNode(199 /* IfStatement */); - parseExpected(88 /* IfKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.thenStatement = parseStatement(); - node.elseStatement = parseOptional(80 /* ElseKeyword */) ? parseStatement() : undefined; - return finishNode(node); - } - function parseDoStatement() { - var node = createNode(200 /* DoStatement */); - parseExpected(79 /* DoKeyword */); - node.statement = parseStatement(); - parseExpected(104 /* WhileKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html - // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in - // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby - // do;while(0)x will have a semicolon inserted before x. - parseOptional(23 /* SemicolonToken */); - return finishNode(node); - } - function parseWhileStatement() { - var node = createNode(201 /* WhileStatement */); - parseExpected(104 /* WhileKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.statement = parseStatement(); - return finishNode(node); - } - function parseForOrForInOrForOfStatement() { - var pos = getNodePos(); - parseExpected(86 /* ForKeyword */); - parseExpected(17 /* OpenParenToken */); - var initializer = undefined; - if (token !== 23 /* SemicolonToken */) { - if (token === 102 /* VarKeyword */ || token === 108 /* LetKeyword */ || token === 74 /* ConstKeyword */) { - initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true); - } - else { - initializer = disallowInAnd(parseExpression); - } - } - var forOrForInOrForOfStatement; - if (parseOptional(90 /* InKeyword */)) { - var forInStatement = createNode(203 /* ForInStatement */, pos); - forInStatement.initializer = initializer; - forInStatement.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forInStatement; - } - else if (parseOptional(135 /* OfKeyword */)) { - var forOfStatement = createNode(204 /* ForOfStatement */, pos); - forOfStatement.initializer = initializer; - forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forOfStatement; - } - else { - var forStatement = createNode(202 /* ForStatement */, pos); - forStatement.initializer = initializer; - parseExpected(23 /* SemicolonToken */); - if (token !== 23 /* SemicolonToken */ && token !== 18 /* CloseParenToken */) { - forStatement.condition = allowInAnd(parseExpression); - } - parseExpected(23 /* SemicolonToken */); - if (token !== 18 /* CloseParenToken */) { - forStatement.incrementor = allowInAnd(parseExpression); - } - parseExpected(18 /* CloseParenToken */); - forOrForInOrForOfStatement = forStatement; - } - forOrForInOrForOfStatement.statement = parseStatement(); - return finishNode(forOrForInOrForOfStatement); - } - function parseBreakOrContinueStatement(kind) { - var node = createNode(kind); - parseExpected(kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */); - if (!canParseSemicolon()) { - node.label = parseIdentifier(); - } - parseSemicolon(); - return finishNode(node); - } - function parseReturnStatement() { - var node = createNode(207 /* ReturnStatement */); - parseExpected(94 /* ReturnKeyword */); - if (!canParseSemicolon()) { - node.expression = allowInAnd(parseExpression); - } - parseSemicolon(); - return finishNode(node); - } - function parseWithStatement() { - var node = createNode(208 /* WithStatement */); - parseExpected(105 /* WithKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - node.statement = parseStatement(); - return finishNode(node); - } - function parseCaseClause() { - var node = createNode(244 /* CaseClause */); - parseExpected(71 /* CaseKeyword */); - node.expression = allowInAnd(parseExpression); - parseExpected(54 /* ColonToken */); - node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); - return finishNode(node); - } - function parseDefaultClause() { - var node = createNode(245 /* DefaultClause */); - parseExpected(77 /* DefaultKeyword */); - parseExpected(54 /* ColonToken */); - node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); - return finishNode(node); - } - function parseCaseOrDefaultClause() { - return token === 71 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause(); - } - function parseSwitchStatement() { - var node = createNode(209 /* SwitchStatement */); - parseExpected(96 /* SwitchKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = allowInAnd(parseExpression); - parseExpected(18 /* CloseParenToken */); - var caseBlock = createNode(223 /* CaseBlock */, scanner.getStartPos()); - parseExpected(15 /* OpenBraceToken */); - caseBlock.clauses = parseList(2 /* SwitchClauses */, parseCaseOrDefaultClause); - parseExpected(16 /* CloseBraceToken */); - node.caseBlock = finishNode(caseBlock); - return finishNode(node); - } - function parseThrowStatement() { - // ThrowStatement[Yield] : - // throw [no LineTerminator here]Expression[In, ?Yield]; - // Because of automatic semicolon insertion, we need to report error if this - // throw could be terminated with a semicolon. Note: we can't call 'parseExpression' - // directly as that might consume an expression on the following line. - // We just return 'undefined' in that case. The actual error will be reported in the - // grammar walker. - var node = createNode(211 /* ThrowStatement */); - parseExpected(98 /* ThrowKeyword */); - node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); - parseSemicolon(); - return finishNode(node); - } - // TODO: Review for error recovery - function parseTryStatement() { - var node = createNode(212 /* TryStatement */); - parseExpected(100 /* TryKeyword */); - node.tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); - node.catchClause = token === 72 /* CatchKeyword */ ? parseCatchClause() : undefined; - // If we don't have a catch clause, then we must have a finally clause. Try to parse - // one out no matter what. - if (!node.catchClause || token === 85 /* FinallyKeyword */) { - parseExpected(85 /* FinallyKeyword */); - node.finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); - } - return finishNode(node); - } - function parseCatchClause() { - var result = createNode(247 /* CatchClause */); - parseExpected(72 /* CatchKeyword */); - if (parseExpected(17 /* OpenParenToken */)) { - result.variableDeclaration = parseVariableDeclaration(); - } - parseExpected(18 /* CloseParenToken */); - result.block = parseBlock(/*ignoreMissingOpenBrace*/ false); - return finishNode(result); - } - function parseDebuggerStatement() { - var node = createNode(213 /* DebuggerStatement */); - parseExpected(76 /* DebuggerKeyword */); - parseSemicolon(); - return finishNode(node); - } - function parseExpressionOrLabeledStatement() { - // Avoiding having to do the lookahead for a labeled statement by just trying to parse - // out an expression, seeing if it is identifier and then seeing if it is followed by - // a colon. - var fullStart = scanner.getStartPos(); - var expression = allowInAnd(parseExpression); - if (expression.kind === 69 /* Identifier */ && parseOptional(54 /* ColonToken */)) { - var labeledStatement = createNode(210 /* LabeledStatement */, fullStart); - labeledStatement.label = expression; - labeledStatement.statement = parseStatement(); - return addJSDocComment(finishNode(labeledStatement)); - } - else { - var expressionStatement = createNode(198 /* ExpressionStatement */, fullStart); - expressionStatement.expression = expression; - parseSemicolon(); - return addJSDocComment(finishNode(expressionStatement)); - } - } - function nextTokenIsIdentifierOrKeywordOnSameLine() { - nextToken(); - return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsFunctionKeywordOnSameLine() { - nextToken(); - return token === 87 /* FunctionKeyword */ && !scanner.hasPrecedingLineBreak(); - } - function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { - nextToken(); - return (ts.tokenIsIdentifierOrKeyword(token) || token === 8 /* NumericLiteral */) && !scanner.hasPrecedingLineBreak(); - } - function isDeclaration() { - while (true) { - switch (token) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - return true; - // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers; - // however, an identifier cannot be followed by another identifier on the same line. This is what we - // count on to parse out the respective declarations. For instance, we exploit this to say that - // - // namespace n - // - // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees - // - // namespace - // n - // - // as the identifier 'namespace' on one line followed by the identifier 'n' on another. - // We need to look one token ahead to see if it permissible to try parsing a declaration. - // - // *Note*: 'interface' is actually a strict mode reserved word. So while - // - // "use strict" - // interface - // I {} - // - // could be legal, it would add complexity for very little gain. - case 107 /* InterfaceKeyword */: - case 132 /* TypeKeyword */: - return nextTokenIsIdentifierOnSameLine(); - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - return nextTokenIsIdentifierOrStringLiteralOnSameLine(); - case 115 /* AbstractKeyword */: - case 118 /* AsyncKeyword */: - case 122 /* DeclareKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 112 /* PublicKeyword */: - nextToken(); - // ASI takes effect for this modifier. - if (scanner.hasPrecedingLineBreak()) { - return false; - } - continue; - case 134 /* GlobalKeyword */: - return nextToken() === 15 /* OpenBraceToken */; - case 89 /* ImportKeyword */: - nextToken(); - return token === 9 /* StringLiteral */ || token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token); - case 82 /* ExportKeyword */: - nextToken(); - if (token === 56 /* EqualsToken */ || token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */ || token === 77 /* DefaultKeyword */) { - return true; - } - continue; - case 113 /* StaticKeyword */: - nextToken(); - continue; - default: - return false; - } - } - } - function isStartOfDeclaration() { - return lookAhead(isDeclaration); - } - function isStartOfStatement() { - switch (token) { - case 55 /* AtToken */: - case 23 /* SemicolonToken */: - case 15 /* OpenBraceToken */: - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 87 /* FunctionKeyword */: - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - case 88 /* IfKeyword */: - case 79 /* DoKeyword */: - case 104 /* WhileKeyword */: - case 86 /* ForKeyword */: - case 75 /* ContinueKeyword */: - case 70 /* BreakKeyword */: - case 94 /* ReturnKeyword */: - case 105 /* WithKeyword */: - case 96 /* SwitchKeyword */: - case 98 /* ThrowKeyword */: - case 100 /* TryKeyword */: - case 76 /* DebuggerKeyword */: - // 'catch' and 'finally' do not actually indicate that the code is part of a statement, - // however, we say they are here so that we may gracefully parse them and error later. - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return true; - case 74 /* ConstKeyword */: - case 82 /* ExportKeyword */: - case 89 /* ImportKeyword */: - return isStartOfDeclaration(); - case 118 /* AsyncKeyword */: - case 122 /* DeclareKeyword */: - case 107 /* InterfaceKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - case 132 /* TypeKeyword */: - case 134 /* GlobalKeyword */: - // When these don't start a declaration, they're an identifier in an expression statement - return true; - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - // When these don't start a declaration, they may be the start of a class member if an identifier - // immediately follows. Otherwise they're an identifier in an expression statement. - return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); - default: - return isStartOfExpression(); - } - } - function nextTokenIsIdentifierOrStartOfDestructuring() { - nextToken(); - return isIdentifier() || token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */; - } - function isLetDeclaration() { - // In ES6 'let' always starts a lexical declaration if followed by an identifier or { - // or [. - return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); - } - function parseStatement() { - switch (token) { - case 23 /* SemicolonToken */: - return parseEmptyStatement(); - case 15 /* OpenBraceToken */: - return parseBlock(/*ignoreMissingOpenBrace*/ false); - case 102 /* VarKeyword */: - return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 108 /* LetKeyword */: - if (isLetDeclaration()) { - return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - } - break; - case 87 /* FunctionKeyword */: - return parseFunctionDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 73 /* ClassKeyword */: - return parseClassDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); - case 88 /* IfKeyword */: - return parseIfStatement(); - case 79 /* DoKeyword */: - return parseDoStatement(); - case 104 /* WhileKeyword */: - return parseWhileStatement(); - case 86 /* ForKeyword */: - return parseForOrForInOrForOfStatement(); - case 75 /* ContinueKeyword */: - return parseBreakOrContinueStatement(205 /* ContinueStatement */); - case 70 /* BreakKeyword */: - return parseBreakOrContinueStatement(206 /* BreakStatement */); - case 94 /* ReturnKeyword */: - return parseReturnStatement(); - case 105 /* WithKeyword */: - return parseWithStatement(); - case 96 /* SwitchKeyword */: - return parseSwitchStatement(); - case 98 /* ThrowKeyword */: - return parseThrowStatement(); - case 100 /* TryKeyword */: - // Include 'catch' and 'finally' for error recovery. - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return parseTryStatement(); - case 76 /* DebuggerKeyword */: - return parseDebuggerStatement(); - case 55 /* AtToken */: - return parseDeclaration(); - case 118 /* AsyncKeyword */: - case 107 /* InterfaceKeyword */: - case 132 /* TypeKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - case 122 /* DeclareKeyword */: - case 74 /* ConstKeyword */: - case 81 /* EnumKeyword */: - case 82 /* ExportKeyword */: - case 89 /* ImportKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 112 /* PublicKeyword */: - case 115 /* AbstractKeyword */: - case 113 /* StaticKeyword */: - case 134 /* GlobalKeyword */: - if (isStartOfDeclaration()) { - return parseDeclaration(); - } - break; - } - return parseExpressionOrLabeledStatement(); - } - function parseDeclaration() { - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(); - switch (token) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - return parseVariableStatement(fullStart, decorators, modifiers); - case 87 /* FunctionKeyword */: - return parseFunctionDeclaration(fullStart, decorators, modifiers); - case 73 /* ClassKeyword */: - return parseClassDeclaration(fullStart, decorators, modifiers); - case 107 /* InterfaceKeyword */: - return parseInterfaceDeclaration(fullStart, decorators, modifiers); - case 132 /* TypeKeyword */: - return parseTypeAliasDeclaration(fullStart, decorators, modifiers); - case 81 /* EnumKeyword */: - return parseEnumDeclaration(fullStart, decorators, modifiers); - case 134 /* GlobalKeyword */: - case 125 /* ModuleKeyword */: - case 126 /* NamespaceKeyword */: - return parseModuleDeclaration(fullStart, decorators, modifiers); - case 89 /* ImportKeyword */: - return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); - case 82 /* ExportKeyword */: - nextToken(); - return token === 77 /* DefaultKeyword */ || token === 56 /* EqualsToken */ ? - parseExportAssignment(fullStart, decorators, modifiers) : - parseExportDeclaration(fullStart, decorators, modifiers); - default: - if (decorators || modifiers) { - // We reached this point because we encountered decorators and/or modifiers and assumed a declaration - // would follow. For recovery and error reporting purposes, return an incomplete declaration. - var node = createMissingNode(234 /* MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); - node.pos = fullStart; - node.decorators = decorators; - setModifiers(node, modifiers); - return finishNode(node); - } - } - } - function nextTokenIsIdentifierOrStringLiteralOnSameLine() { - nextToken(); - return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9 /* StringLiteral */); - } - function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { - if (token !== 15 /* OpenBraceToken */ && canParseSemicolon()) { - parseSemicolon(); - return; - } - return parseFunctionBlock(isGenerator, isAsync, /*ignoreMissingOpenBrace*/ false, diagnosticMessage); - } - // DECLARATIONS - function parseArrayBindingElement() { - if (token === 24 /* CommaToken */) { - return createNode(190 /* OmittedExpression */); - } - var node = createNode(166 /* BindingElement */); - node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); - node.name = parseIdentifierOrPattern(); - node.initializer = parseBindingElementInitializer(/*inParameter*/ false); - return finishNode(node); - } - function parseObjectBindingElement() { - var node = createNode(166 /* BindingElement */); - var tokenIsIdentifier = isIdentifier(); - var propertyName = parsePropertyName(); - if (tokenIsIdentifier && token !== 54 /* ColonToken */) { - node.name = propertyName; - } - else { - parseExpected(54 /* ColonToken */); - node.propertyName = propertyName; - node.name = parseIdentifierOrPattern(); - } - node.initializer = parseBindingElementInitializer(/*inParameter*/ false); - return finishNode(node); - } - function parseObjectBindingPattern() { - var node = createNode(164 /* ObjectBindingPattern */); - parseExpected(15 /* OpenBraceToken */); - node.elements = parseDelimitedList(9 /* ObjectBindingElements */, parseObjectBindingElement); - parseExpected(16 /* CloseBraceToken */); - return finishNode(node); - } - function parseArrayBindingPattern() { - var node = createNode(165 /* ArrayBindingPattern */); - parseExpected(19 /* OpenBracketToken */); - node.elements = parseDelimitedList(10 /* ArrayBindingElements */, parseArrayBindingElement); - parseExpected(20 /* CloseBracketToken */); - return finishNode(node); - } - function isIdentifierOrPattern() { - return token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */ || isIdentifier(); - } - function parseIdentifierOrPattern() { - if (token === 19 /* OpenBracketToken */) { - return parseArrayBindingPattern(); - } - if (token === 15 /* OpenBraceToken */) { - return parseObjectBindingPattern(); - } - return parseIdentifier(); - } - function parseVariableDeclaration() { - var node = createNode(214 /* VariableDeclaration */); - node.name = parseIdentifierOrPattern(); - node.type = parseTypeAnnotation(); - if (!isInOrOfKeyword(token)) { - node.initializer = parseInitializer(/*inParameter*/ false); - } - return finishNode(node); - } - function parseVariableDeclarationList(inForStatementInitializer) { - var node = createNode(215 /* VariableDeclarationList */); - switch (token) { - case 102 /* VarKeyword */: - break; - case 108 /* LetKeyword */: - node.flags |= 8192 /* Let */; - break; - case 74 /* ConstKeyword */: - node.flags |= 16384 /* Const */; - break; - default: - ts.Debug.fail(); - } - nextToken(); - // The user may have written the following: - // - // for (let of X) { } - // - // In this case, we want to parse an empty declaration list, and then parse 'of' - // as a keyword. The reason this is not automatic is that 'of' is a valid identifier. - // So we need to look ahead to determine if 'of' should be treated as a keyword in - // this context. - // The checker will then give an error that there is an empty declaration list. - if (token === 135 /* OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) { - node.declarations = createMissingList(); - } - else { - var savedDisallowIn = inDisallowInContext(); - setDisallowInContext(inForStatementInitializer); - node.declarations = parseDelimitedList(8 /* VariableDeclarations */, parseVariableDeclaration); - setDisallowInContext(savedDisallowIn); - } - return finishNode(node); - } - function canFollowContextualOfKeyword() { - return nextTokenIsIdentifier() && nextToken() === 18 /* CloseParenToken */; - } - function parseVariableStatement(fullStart, decorators, modifiers) { - var node = createNode(196 /* VariableStatement */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false); - parseSemicolon(); - return addJSDocComment(finishNode(node)); - } - function parseFunctionDeclaration(fullStart, decorators, modifiers) { - var node = createNode(216 /* FunctionDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(87 /* FunctionKeyword */); - node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - node.name = node.flags & 512 /* Default */ ? parseOptionalIdentifier() : parseIdentifier(); - var isGenerator = !!node.asteriskToken; - var isAsync = !!(node.flags & 256 /* Async */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseConstructorDeclaration(pos, decorators, modifiers) { - var node = createNode(145 /* Constructor */, pos); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(121 /* ConstructorKeyword */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false, ts.Diagnostics.or_expected); - return addJSDocComment(finishNode(node)); - } - function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { - var method = createNode(144 /* MethodDeclaration */, fullStart); - method.decorators = decorators; - setModifiers(method, modifiers); - method.asteriskToken = asteriskToken; - method.name = name; - method.questionToken = questionToken; - var isGenerator = !!asteriskToken; - var isAsync = !!(method.flags & 256 /* Async */); - fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, method); - method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); - return addJSDocComment(finishNode(method)); - } - function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { - var property = createNode(142 /* PropertyDeclaration */, fullStart); - property.decorators = decorators; - setModifiers(property, modifiers); - property.name = name; - property.questionToken = questionToken; - property.type = parseTypeAnnotation(); - // For instance properties specifically, since they are evaluated inside the constructor, - // we do *not * want to parse yield expressions, so we specifically turn the yield context - // off. The grammar would look something like this: - // - // MemberVariableDeclaration[Yield]: - // AccessibilityModifier_opt PropertyName TypeAnnotation_opt Initialiser_opt[In]; - // AccessibilityModifier_opt static_opt PropertyName TypeAnnotation_opt Initialiser_opt[In, ?Yield]; - // - // The checker may still error in the static case to explicitly disallow the yield expression. - property.initializer = modifiers && modifiers.flags & 64 /* Static */ - ? allowInAnd(parseNonParameterInitializer) - : doOutsideOfContext(2 /* Yield */ | 1 /* DisallowIn */, parseNonParameterInitializer); - parseSemicolon(); - return finishNode(property); - } - function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { - var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); - var name = parsePropertyName(); - // Note: this is not legal as per the grammar. But we allow it in the parser and - // report an error in the grammar checker. - var questionToken = parseOptionalToken(53 /* QuestionToken */); - if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { - return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); - } - else { - return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); - } - } - function parseNonParameterInitializer() { - return parseInitializer(/*inParameter*/ false); - } - function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - node.name = parsePropertyName(); - fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); - node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false); - return finishNode(node); - } - function isClassMemberModifier(idToken) { - switch (idToken) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 113 /* StaticKeyword */: - return true; - default: - return false; - } - } - function isClassMemberStart() { - var idToken; - if (token === 55 /* AtToken */) { - return true; - } - // Eat up all modifiers, but hold on to the last one in case it is actually an identifier. - while (ts.isModifierKind(token)) { - idToken = token; - // If the idToken is a class modifier (protected, private, public, and static), it is - // certain that we are starting to parse class member. This allows better error recovery - // Example: - // public foo() ... // true - // public @dec blah ... // true; we will then report an error later - // export public ... // true; we will then report an error later - if (isClassMemberModifier(idToken)) { - return true; - } - nextToken(); - } - if (token === 37 /* AsteriskToken */) { - return true; - } - // Try to get the first property-like token following all modifiers. - // This can either be an identifier or the 'get' or 'set' keywords. - if (isLiteralPropertyName()) { - idToken = token; - nextToken(); - } - // Index signatures and computed properties are class members; we can parse. - if (token === 19 /* OpenBracketToken */) { - return true; - } - // If we were able to get any potential identifier... - if (idToken !== undefined) { - // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse. - if (!ts.isKeyword(idToken) || idToken === 129 /* SetKeyword */ || idToken === 123 /* GetKeyword */) { - return true; - } - // If it *is* a keyword, but not an accessor, check a little farther along - // to see if it should actually be parsed as a class member. - switch (token) { - case 17 /* OpenParenToken */: // Method declaration - case 25 /* LessThanToken */: // Generic Method declaration - case 54 /* ColonToken */: // Type Annotation for declaration - case 56 /* EqualsToken */: // Initializer for declaration - case 53 /* QuestionToken */: - return true; - default: - // Covers - // - Semicolons (declaration termination) - // - Closing braces (end-of-class, must be declaration) - // - End-of-files (not valid, but permitted so that it gets caught later on) - // - Line-breaks (enabling *automatic semicolon insertion*) - return canParseSemicolon(); - } - } - return false; - } - function parseDecorators() { - var decorators; - while (true) { - var decoratorStart = getNodePos(); - if (!parseOptional(55 /* AtToken */)) { - break; - } - if (!decorators) { - decorators = []; - decorators.pos = decoratorStart; - } - var decorator = createNode(140 /* Decorator */, decoratorStart); - decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); - decorators.push(finishNode(decorator)); - } - if (decorators) { - decorators.end = getNodeEnd(); - } - return decorators; - } - /* - * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member. - * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect - * and turns it into a standalone declaration), then it is better to parse it and report an error later. - * - * In such situations, 'permitInvalidConstAsModifier' should be set to true. - */ - function parseModifiers(permitInvalidConstAsModifier) { - var flags = 0; - var modifiers; - while (true) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - if (token === 74 /* ConstKeyword */ && permitInvalidConstAsModifier) { - // We need to ensure that any subsequent modifiers appear on the same line - // so that when 'const' is a standalone declaration, we don't issue an error. - if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { - break; - } - } - else { - if (!parseAnyContextualModifier()) { - break; - } - } - if (!modifiers) { - modifiers = []; - modifiers.pos = modifierStart; - } - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - } - if (modifiers) { - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseModifiersForArrowFunction() { - var flags = 0; - var modifiers; - if (token === 118 /* AsyncKeyword */) { - var modifierStart = scanner.getStartPos(); - var modifierKind = token; - nextToken(); - modifiers = []; - modifiers.pos = modifierStart; - flags |= ts.modifierToFlag(modifierKind); - modifiers.push(finishNode(createNode(modifierKind, modifierStart))); - modifiers.flags = flags; - modifiers.end = scanner.getStartPos(); - } - return modifiers; - } - function parseClassElement() { - if (token === 23 /* SemicolonToken */) { - var result = createNode(194 /* SemicolonClassElement */); - nextToken(); - return finishNode(result); - } - var fullStart = getNodePos(); - var decorators = parseDecorators(); - var modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true); - var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); - if (accessor) { - return accessor; - } - if (token === 121 /* ConstructorKeyword */) { - return parseConstructorDeclaration(fullStart, decorators, modifiers); - } - if (isIndexSignature()) { - return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); - } - // It is very important that we check this *after* checking indexers because - // the [ token can start an index signature or a computed property name - if (ts.tokenIsIdentifierOrKeyword(token) || - token === 9 /* StringLiteral */ || - token === 8 /* NumericLiteral */ || - token === 37 /* AsteriskToken */ || - token === 19 /* OpenBracketToken */) { - return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); - } - if (decorators || modifiers) { - // treat this as a property declaration with a missing name. - var name_7 = createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); - return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, /*questionToken*/ undefined); - } - // 'isClassMemberStart' should have hinted not to attempt parsing. - ts.Debug.fail("Should not have attempted to parse class member declaration."); - } - function parseClassExpression() { - return parseClassDeclarationOrExpression( - /*fullStart*/ scanner.getStartPos(), - /*decorators*/ undefined, - /*modifiers*/ undefined, 189 /* ClassExpression */); - } - function parseClassDeclaration(fullStart, decorators, modifiers) { - return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217 /* ClassDeclaration */); - } - function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { - var node = createNode(kind, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(73 /* ClassKeyword */); - node.name = parseNameOfClassDeclarationOrExpression(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ true); - if (parseExpected(15 /* OpenBraceToken */)) { - // ClassTail[Yield,Await] : (Modified) See 14.5 - // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } - node.members = parseClassMembers(); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseNameOfClassDeclarationOrExpression() { - // implements is a future reserved word so - // 'class implements' might mean either - // - class expression with omitted name, 'implements' starts heritage clause - // - class with name 'implements' - // 'isImplementsClause' helps to disambiguate between these two cases - return isIdentifier() && !isImplementsClause() - ? parseIdentifier() - : undefined; - } - function isImplementsClause() { - return token === 106 /* ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword); - } - function parseHeritageClauses(isClassHeritageClause) { - // ClassTail[Yield,Await] : (Modified) See 14.5 - // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } - if (isHeritageClause()) { - return parseList(20 /* HeritageClauses */, parseHeritageClause); - } - return undefined; - } - function parseHeritageClause() { - if (token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */) { - var node = createNode(246 /* HeritageClause */); - node.token = token; - nextToken(); - node.types = parseDelimitedList(7 /* HeritageClauseElement */, parseExpressionWithTypeArguments); - return finishNode(node); - } - return undefined; - } - function parseExpressionWithTypeArguments() { - var node = createNode(191 /* ExpressionWithTypeArguments */); - node.expression = parseLeftHandSideExpressionOrHigher(); - if (token === 25 /* LessThanToken */) { - node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); - } - return finishNode(node); - } - function isHeritageClause() { - return token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; - } - function parseClassMembers() { - return parseList(5 /* ClassMembers */, parseClassElement); - } - function parseInterfaceDeclaration(fullStart, decorators, modifiers) { - var node = createNode(218 /* InterfaceDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(107 /* InterfaceKeyword */); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ false); - node.members = parseObjectTypeMembers(); - return finishNode(node); - } - function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { - var node = createNode(219 /* TypeAliasDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(132 /* TypeKeyword */); - node.name = parseIdentifier(); - node.typeParameters = parseTypeParameters(); - parseExpected(56 /* EqualsToken */); - node.type = parseType(); - parseSemicolon(); - return finishNode(node); - } - // In an ambient declaration, the grammar only allows integer literals as initializers. - // In a non-ambient declaration, the grammar allows uninitialized members only in a - // ConstantEnumMemberSection, which starts at the beginning of an enum declaration - // or any time an integer literal initializer is encountered. - function parseEnumMember() { - var node = createNode(250 /* EnumMember */, scanner.getStartPos()); - node.name = parsePropertyName(); - node.initializer = allowInAnd(parseNonParameterInitializer); - return finishNode(node); - } - function parseEnumDeclaration(fullStart, decorators, modifiers) { - var node = createNode(220 /* EnumDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - parseExpected(81 /* EnumKeyword */); - node.name = parseIdentifier(); - if (parseExpected(15 /* OpenBraceToken */)) { - node.members = parseDelimitedList(6 /* EnumMembers */, parseEnumMember); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.members = createMissingList(); - } - return finishNode(node); - } - function parseModuleBlock() { - var node = createNode(222 /* ModuleBlock */, scanner.getStartPos()); - if (parseExpected(15 /* OpenBraceToken */)) { - node.statements = parseList(1 /* BlockStatements */, parseStatement); - parseExpected(16 /* CloseBraceToken */); - } - else { - node.statements = createMissingList(); - } - return finishNode(node); - } - function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { - var node = createNode(221 /* ModuleDeclaration */, fullStart); - // If we are parsing a dotted namespace name, we want to - // propagate the 'Namespace' flag across the names if set. - var namespaceFlag = flags & 65536 /* Namespace */; - node.decorators = decorators; - setModifiers(node, modifiers); - node.flags |= flags; - node.name = parseIdentifier(); - node.body = parseOptional(21 /* DotToken */) - ? parseModuleOrNamespaceDeclaration(getNodePos(), /*decorators*/ undefined, /*modifiers*/ undefined, 2 /* Export */ | namespaceFlag) - : parseModuleBlock(); - return finishNode(node); - } - function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { - var node = createNode(221 /* ModuleDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (token === 134 /* GlobalKeyword */) { - // parse 'global' as name of global scope augmentation - node.name = parseIdentifier(); - node.flags |= 2097152 /* GlobalAugmentation */; - } - else { - node.name = parseLiteralNode(/*internName*/ true); - } - node.body = parseModuleBlock(); - return finishNode(node); - } - function parseModuleDeclaration(fullStart, decorators, modifiers) { - var flags = modifiers ? modifiers.flags : 0; - if (token === 134 /* GlobalKeyword */) { - // global augmentation - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - else if (parseOptional(126 /* NamespaceKeyword */)) { - flags |= 65536 /* Namespace */; - } - else { - parseExpected(125 /* ModuleKeyword */); - if (token === 9 /* StringLiteral */) { - return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); - } - } - return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); - } - function isExternalModuleReference() { - return token === 127 /* RequireKeyword */ && - lookAhead(nextTokenIsOpenParen); - } - function nextTokenIsOpenParen() { - return nextToken() === 17 /* OpenParenToken */; - } - function nextTokenIsSlash() { - return nextToken() === 39 /* SlashToken */; - } - function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { - parseExpected(89 /* ImportKeyword */); - var afterImportPos = scanner.getStartPos(); - var identifier; - if (isIdentifier()) { - identifier = parseIdentifier(); - if (token !== 24 /* CommaToken */ && token !== 133 /* FromKeyword */) { - // ImportEquals declaration of type: - // import x = require("mod"); or - // import x = M.x; - var importEqualsDeclaration = createNode(224 /* ImportEqualsDeclaration */, fullStart); - importEqualsDeclaration.decorators = decorators; - setModifiers(importEqualsDeclaration, modifiers); - importEqualsDeclaration.name = identifier; - parseExpected(56 /* EqualsToken */); - importEqualsDeclaration.moduleReference = parseModuleReference(); - parseSemicolon(); - return finishNode(importEqualsDeclaration); - } - } - // Import statement - var importDeclaration = createNode(225 /* ImportDeclaration */, fullStart); - importDeclaration.decorators = decorators; - setModifiers(importDeclaration, modifiers); - // ImportDeclaration: - // import ImportClause from ModuleSpecifier ; - // import ModuleSpecifier; - if (identifier || - token === 37 /* AsteriskToken */ || - token === 15 /* OpenBraceToken */) { - importDeclaration.importClause = parseImportClause(identifier, afterImportPos); - parseExpected(133 /* FromKeyword */); - } - importDeclaration.moduleSpecifier = parseModuleSpecifier(); - parseSemicolon(); - return finishNode(importDeclaration); - } - function parseImportClause(identifier, fullStart) { - // ImportClause: - // ImportedDefaultBinding - // NameSpaceImport - // NamedImports - // ImportedDefaultBinding, NameSpaceImport - // ImportedDefaultBinding, NamedImports - var importClause = createNode(226 /* ImportClause */, fullStart); - if (identifier) { - // ImportedDefaultBinding: - // ImportedBinding - importClause.name = identifier; - } - // If there was no default import or if there is comma token after default import - // parse namespace or named imports - if (!importClause.name || - parseOptional(24 /* CommaToken */)) { - importClause.namedBindings = token === 37 /* AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(228 /* NamedImports */); - } - return finishNode(importClause); - } - function parseModuleReference() { - return isExternalModuleReference() - ? parseExternalModuleReference() - : parseEntityName(/*allowReservedWords*/ false); - } - function parseExternalModuleReference() { - var node = createNode(235 /* ExternalModuleReference */); - parseExpected(127 /* RequireKeyword */); - parseExpected(17 /* OpenParenToken */); - node.expression = parseModuleSpecifier(); - parseExpected(18 /* CloseParenToken */); - return finishNode(node); - } - function parseModuleSpecifier() { - if (token === 9 /* StringLiteral */) { - var result = parseLiteralNode(); - internIdentifier(result.text); - return result; - } - else { - // We allow arbitrary expressions here, even though the grammar only allows string - // literals. We check to ensure that it is only a string literal later in the grammar - // check pass. - return parseExpression(); - } - } - function parseNamespaceImport() { - // NameSpaceImport: - // * as ImportedBinding - var namespaceImport = createNode(227 /* NamespaceImport */); - parseExpected(37 /* AsteriskToken */); - parseExpected(116 /* AsKeyword */); - namespaceImport.name = parseIdentifier(); - return finishNode(namespaceImport); - } - function parseNamedImportsOrExports(kind) { - var node = createNode(kind); - // NamedImports: - // { } - // { ImportsList } - // { ImportsList, } - // ImportsList: - // ImportSpecifier - // ImportsList, ImportSpecifier - node.elements = parseBracketedList(21 /* ImportOrExportSpecifiers */, kind === 228 /* NamedImports */ ? parseImportSpecifier : parseExportSpecifier, 15 /* OpenBraceToken */, 16 /* CloseBraceToken */); - return finishNode(node); - } - function parseExportSpecifier() { - return parseImportOrExportSpecifier(233 /* ExportSpecifier */); - } - function parseImportSpecifier() { - return parseImportOrExportSpecifier(229 /* ImportSpecifier */); - } - function parseImportOrExportSpecifier(kind) { - var node = createNode(kind); - // ImportSpecifier: - // BindingIdentifier - // IdentifierName as BindingIdentifier - // ExportSpecififer: - // IdentifierName - // IdentifierName as IdentifierName - var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - var checkIdentifierStart = scanner.getTokenPos(); - var checkIdentifierEnd = scanner.getTextPos(); - var identifierName = parseIdentifierName(); - if (token === 116 /* AsKeyword */) { - node.propertyName = identifierName; - parseExpected(116 /* AsKeyword */); - checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); - checkIdentifierStart = scanner.getTokenPos(); - checkIdentifierEnd = scanner.getTextPos(); - node.name = parseIdentifierName(); - } - else { - node.name = identifierName; - } - if (kind === 229 /* ImportSpecifier */ && checkIdentifierIsKeyword) { - // Report error identifier expected - parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); - } - return finishNode(node); - } - function parseExportDeclaration(fullStart, decorators, modifiers) { - var node = createNode(231 /* ExportDeclaration */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(37 /* AsteriskToken */)) { - parseExpected(133 /* FromKeyword */); - node.moduleSpecifier = parseModuleSpecifier(); - } - else { - node.exportClause = parseNamedImportsOrExports(232 /* NamedExports */); - // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios, - // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`) - // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect. - if (token === 133 /* FromKeyword */ || (token === 9 /* StringLiteral */ && !scanner.hasPrecedingLineBreak())) { - parseExpected(133 /* FromKeyword */); - node.moduleSpecifier = parseModuleSpecifier(); - } - } - parseSemicolon(); - return finishNode(node); - } - function parseExportAssignment(fullStart, decorators, modifiers) { - var node = createNode(230 /* ExportAssignment */, fullStart); - node.decorators = decorators; - setModifiers(node, modifiers); - if (parseOptional(56 /* EqualsToken */)) { - node.isExportEquals = true; - } - else { - parseExpected(77 /* DefaultKeyword */); - } - node.expression = parseAssignmentExpressionOrHigher(); - parseSemicolon(); - return finishNode(node); - } - function processReferenceComments(sourceFile) { - var triviaScanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ false, 0 /* Standard */, sourceText); - var referencedFiles = []; - var amdDependencies = []; - var amdModuleName; - // Keep scanning all the leading trivia in the file until we get to something that - // isn't trivia. Any single line comment will be analyzed to see if it is a - // reference comment. - while (true) { - var kind = triviaScanner.scan(); - if (kind !== 2 /* SingleLineCommentTrivia */) { - if (ts.isTrivia(kind)) { - continue; - } - else { - break; - } - } - var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; - var comment = sourceText.substring(range.pos, range.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); - if (referencePathMatchResult) { - var fileReference = referencePathMatchResult.fileReference; - sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var diagnosticMessage = referencePathMatchResult.diagnosticMessage; - if (fileReference) { - referencedFiles.push(fileReference); - } - if (diagnosticMessage) { - parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); - } - } - else { - var amdModuleNameRegEx = /^\/\/\/\s*".length; - return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function parseQualifiedName(left) { - var result = createNode(136 /* QualifiedName */, left.pos); - result.left = left; - result.right = parseIdentifierName(); - return finishNode(result); - } - function parseJSDocRecordType() { - var result = createNode(260 /* JSDocRecordType */); - nextToken(); - result.members = parseDelimitedList(24 /* JSDocRecordMembers */, parseJSDocRecordMember); - checkForTrailingComma(result.members); - parseExpected(16 /* CloseBraceToken */); - return finishNode(result); - } - function parseJSDocRecordMember() { - var result = createNode(261 /* JSDocRecordMember */); - result.name = parseSimplePropertyName(); - if (token === 54 /* ColonToken */) { - nextToken(); - result.type = parseJSDocType(); - } - return finishNode(result); - } - function parseJSDocNonNullableType() { - var result = createNode(259 /* JSDocNonNullableType */); - nextToken(); - result.type = parseJSDocType(); - return finishNode(result); - } - function parseJSDocTupleType() { - var result = createNode(257 /* JSDocTupleType */); - nextToken(); - result.types = parseDelimitedList(25 /* JSDocTupleTypes */, parseJSDocType); - checkForTrailingComma(result.types); - parseExpected(20 /* CloseBracketToken */); - return finishNode(result); - } - function checkForTrailingComma(list) { - if (parseDiagnostics.length === 0 && list.hasTrailingComma) { - var start = list.end - ",".length; - parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function parseJSDocUnionType() { - var result = createNode(256 /* JSDocUnionType */); - nextToken(); - result.types = parseJSDocTypeList(parseJSDocType()); - parseExpected(18 /* CloseParenToken */); - return finishNode(result); - } - function parseJSDocTypeList(firstType) { - ts.Debug.assert(!!firstType); - var types = []; - types.pos = firstType.pos; - types.push(firstType); - while (parseOptional(47 /* BarToken */)) { - types.push(parseJSDocType()); - } - types.end = scanner.getStartPos(); - return types; - } - function parseJSDocAllType() { - var result = createNode(253 /* JSDocAllType */); - nextToken(); - return finishNode(result); - } - function parseJSDocUnknownOrNullableType() { - var pos = scanner.getStartPos(); - // skip the ? - nextToken(); - // Need to lookahead to decide if this is a nullable or unknown type. - // Here are cases where we'll pick the unknown type: - // - // Foo(?, - // { a: ? } - // Foo(?) - // Foo - // Foo(?= - // (?| - if (token === 24 /* CommaToken */ || - token === 16 /* CloseBraceToken */ || - token === 18 /* CloseParenToken */ || - token === 27 /* GreaterThanToken */ || - token === 56 /* EqualsToken */ || - token === 47 /* BarToken */) { - var result = createNode(254 /* JSDocUnknownType */, pos); - return finishNode(result); - } - else { - var result = createNode(258 /* JSDocNullableType */, pos); - result.type = parseJSDocType(); - return finishNode(result); - } - } - function parseIsolatedJSDocComment(content, start, length) { - initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); - sourceFile = { languageVariant: 0 /* Standard */, text: content }; - var jsDocComment = parseJSDocCommentWorker(start, length); - var diagnostics = parseDiagnostics; - clearState(); - return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; - } - JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; - function parseJSDocComment(parent, start, length) { - var saveToken = token; - var saveParseDiagnosticsLength = parseDiagnostics.length; - var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; - var comment = parseJSDocCommentWorker(start, length); - if (comment) { - comment.parent = parent; - } - token = saveToken; - parseDiagnostics.length = saveParseDiagnosticsLength; - parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; - return comment; - } - JSDocParser.parseJSDocComment = parseJSDocComment; - function parseJSDocCommentWorker(start, length) { - var content = sourceText; - start = start || 0; - var end = length === undefined ? content.length : start + length; - length = end - start; - ts.Debug.assert(start >= 0); - ts.Debug.assert(start <= end); - ts.Debug.assert(end <= content.length); - var tags; - var result; - // Check for /** (JSDoc opening part) - if (content.charCodeAt(start) === 47 /* slash */ && - content.charCodeAt(start + 1) === 42 /* asterisk */ && - content.charCodeAt(start + 2) === 42 /* asterisk */ && - content.charCodeAt(start + 3) !== 42 /* asterisk */) { - // + 3 for leading /**, - 5 in total for /** */ - scanner.scanRange(start + 3, length - 5, function () { - // Initially we can parse out a tag. We also have seen a starting asterisk. - // This is so that /** * @type */ doesn't parse. - var canParseTag = true; - var seenAsterisk = true; - nextJSDocToken(); - while (token !== 1 /* EndOfFileToken */) { - switch (token) { - case 55 /* AtToken */: - if (canParseTag) { - parseTag(); - } - // This will take us to the end of the line, so it's OK to parse a tag on the next pass through the loop - seenAsterisk = false; - break; - case 4 /* NewLineTrivia */: - // After a line break, we can parse a tag, and we haven't seen an asterisk on the next line yet - canParseTag = true; - seenAsterisk = false; - break; - case 37 /* AsteriskToken */: - if (seenAsterisk) { - // If we've already seen an asterisk, then we can no longer parse a tag on this line - canParseTag = false; - } - // Ignore the first asterisk on a line - seenAsterisk = true; - break; - case 69 /* Identifier */: - // Anything else is doc comment text. We can't do anything with it. Because it - // wasn't a tag, we can no longer parse a tag on this line until we hit the next - // line break. - canParseTag = false; - break; - case 1 /* EndOfFileToken */: - break; - } - nextJSDocToken(); - } - result = createJSDocComment(); - }); - } - return result; - function createJSDocComment() { - if (!tags) { - return undefined; - } - var result = createNode(268 /* JSDocComment */, start); - result.tags = tags; - return finishNode(result, end); - } - function skipWhitespace() { - while (token === 5 /* WhitespaceTrivia */ || token === 4 /* NewLineTrivia */) { - nextJSDocToken(); - } - } - function parseTag() { - ts.Debug.assert(token === 55 /* AtToken */); - var atToken = createNode(55 /* AtToken */, scanner.getTokenPos()); - atToken.end = scanner.getTextPos(); - nextJSDocToken(); - var tagName = parseJSDocIdentifier(); - if (!tagName) { - return; - } - var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); - addTag(tag); - } - function handleTag(atToken, tagName) { - if (tagName) { - switch (tagName.text) { - case "param": - return handleParamTag(atToken, tagName); - case "return": - case "returns": - return handleReturnTag(atToken, tagName); - case "template": - return handleTemplateTag(atToken, tagName); - case "type": - return handleTypeTag(atToken, tagName); - } - } - return undefined; - } - function handleUnknownTag(atToken, tagName) { - var result = createNode(269 /* JSDocTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - return finishNode(result); - } - function addTag(tag) { - if (tag) { - if (!tags) { - tags = []; - tags.pos = tag.pos; - } - tags.push(tag); - tags.end = tag.end; - } - } - function tryParseTypeExpression() { - if (token !== 15 /* OpenBraceToken */) { - return undefined; - } - var typeExpression = parseJSDocTypeExpression(); - return typeExpression; - } - function handleParamTag(atToken, tagName) { - var typeExpression = tryParseTypeExpression(); - skipWhitespace(); - var name; - var isBracketed; - // Looking for something like '[foo]' or 'foo' - if (parseOptionalToken(19 /* OpenBracketToken */)) { - name = parseJSDocIdentifier(); - isBracketed = true; - // May have an optional default, e.g. '[foo = 42]' - if (parseOptionalToken(56 /* EqualsToken */)) { - parseExpression(); - } - parseExpected(20 /* CloseBracketToken */); - } - else if (token === 69 /* Identifier */) { - name = parseJSDocIdentifier(); - } - if (!name) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var preName, postName; - if (typeExpression) { - postName = name; - } - else { - preName = name; - } - if (!typeExpression) { - typeExpression = tryParseTypeExpression(); - } - var result = createNode(270 /* JSDocParameterTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.preParameterName = preName; - result.typeExpression = typeExpression; - result.postParameterName = postName; - result.isBracketed = isBracketed; - return finishNode(result); - } - function handleReturnTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 271 /* JSDocReturnTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(271 /* JSDocReturnTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTypeTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 272 /* JSDocTypeTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - var result = createNode(272 /* JSDocTypeTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeExpression = tryParseTypeExpression(); - return finishNode(result); - } - function handleTemplateTag(atToken, tagName) { - if (ts.forEach(tags, function (t) { return t.kind === 273 /* JSDocTemplateTag */; })) { - parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); - } - // Type parameter list looks like '@template T,U,V' - var typeParameters = []; - typeParameters.pos = scanner.getStartPos(); - while (true) { - var name_8 = parseJSDocIdentifier(); - if (!name_8) { - parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); - return undefined; - } - var typeParameter = createNode(138 /* TypeParameter */, name_8.pos); - typeParameter.name = name_8; - finishNode(typeParameter); - typeParameters.push(typeParameter); - if (token === 24 /* CommaToken */) { - nextJSDocToken(); - } - else { - break; - } - } - var result = createNode(273 /* JSDocTemplateTag */, atToken.pos); - result.atToken = atToken; - result.tagName = tagName; - result.typeParameters = typeParameters; - finishNode(result); - typeParameters.end = result.end; - return result; - } - function nextJSDocToken() { - return token = scanner.scanJSDocToken(); - } - function parseJSDocIdentifier() { - if (token !== 69 /* Identifier */) { - parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); - return undefined; - } - var pos = scanner.getTokenPos(); - var end = scanner.getTextPos(); - var result = createNode(69 /* Identifier */, pos); - result.text = content.substring(pos, end); - finishNode(result, end); - nextJSDocToken(); - return result; - } - } - JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; - })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); - })(Parser || (Parser = {})); - var IncrementalParser; - (function (IncrementalParser) { - function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { - aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */); - checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); - if (ts.textChangeRangeIsUnchanged(textChangeRange)) { - // if the text didn't change, then we can just return our current source file as-is. - return sourceFile; - } - if (sourceFile.statements.length === 0) { - // If we don't have any statements in the current source file, then there's no real - // way to incrementally parse. So just do a full parse instead. - return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true); - } - // Make sure we're not trying to incrementally update a source file more than once. Once - // we do an update the original source file is considered unusbale from that point onwards. - // - // This is because we do incremental parsing in-place. i.e. we take nodes from the old - // tree and give them new positions and parents. From that point on, trusting the old - // tree at all is not possible as far too much of it may violate invariants. - var incrementalSourceFile = sourceFile; - ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); - incrementalSourceFile.hasBeenIncrementallyParsed = true; - var oldText = sourceFile.text; - var syntaxCursor = createSyntaxCursor(sourceFile); - // Make the actual change larger so that we know to reparse anything whose lookahead - // might have intersected the change. - var changeRange = extendToAffectedRange(sourceFile, textChangeRange); - checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); - // Ensure that extending the affected range only moved the start of the change range - // earlier in the file. - ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); - ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); - ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); - // The is the amount the nodes after the edit range need to be adjusted. It can be - // positive (if the edit added characters), negative (if the edit deleted characters) - // or zero (if this was a pure overwrite with nothing added/removed). - var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; - // If we added or removed characters during the edit, then we need to go and adjust all - // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they - // may move backward (if we deleted chars). - // - // Doing this helps us out in two ways. First, it means that any nodes/tokens we want - // to reuse are already at the appropriate position in the new text. That way when we - // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes - // it very easy to determine if we can reuse a node. If the node's position is at where - // we are in the text, then we can reuse it. Otherwise we can't. If the node's position - // is ahead of us, then we'll need to rescan tokens. If the node's position is behind - // us, then we'll need to skip it or crumble it as appropriate - // - // We will also adjust the positions of nodes that intersect the change range as well. - // By doing this, we ensure that all the positions in the old tree are consistent, not - // just the positions of nodes entirely before/after the change range. By being - // consistent, we can then easily map from positions to nodes in the old tree easily. - // - // Also, mark any syntax elements that intersect the changed span. We know, up front, - // that we cannot reuse these elements. - updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); - // Now that we've set up our internal incremental state just proceed and parse the - // source file in the normal fashion. When possible the parser will retrieve and - // reuse nodes from the old tree. - // - // Note: passing in 'true' for setNodeParents is very important. When incrementally - // parsing, we will be reusing nodes from the old tree, and placing it into new - // parents. If we don't set the parents now, we'll end up with an observably - // inconsistent tree. Setting the parents on the new tree should be very fast. We - // will immediately bail out of walking any subtrees when we can see that their parents - // are already correct. - var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true); - return result; - } - IncrementalParser.updateSourceFile = updateSourceFile; - function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { - if (isArray) { - visitArray(element); - } - else { - visitNode(element); - } - return; - function visitNode(node) { - var text = ""; - if (aggressiveChecks && shouldCheckNode(node)) { - text = oldText.substring(node.pos, node.end); - } - // Ditch any existing LS children we may have created. This way we can avoid - // moving them forward. - if (node._children) { - node._children = undefined; - } - if (node.jsDocComment) { - node.jsDocComment = undefined; - } - node.pos += delta; - node.end += delta; - if (aggressiveChecks && shouldCheckNode(node)) { - ts.Debug.assert(text === newText.substring(node.pos, node.end)); - } - forEachChild(node, visitNode, visitArray); - checkNodePositions(node, aggressiveChecks); - } - function visitArray(array) { - array._children = undefined; - array.pos += delta; - array.end += delta; - for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { - var node = array_7[_i]; - visitNode(node); - } - } - } - function shouldCheckNode(node) { - switch (node.kind) { - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - case 69 /* Identifier */: - return true; - } - return false; - } - function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { - ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); - ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); - ts.Debug.assert(element.pos <= element.end); - // We have an element that intersects the change range in some way. It may have its - // start, or its end (or both) in the changed range. We want to adjust any part - // that intersects such that the final tree is in a consistent state. i.e. all - // chlidren have spans within the span of their parent, and all siblings are ordered - // properly. - // We may need to update both the 'pos' and the 'end' of the element. - // If the 'pos' is before the start of the change, then we don't need to touch it. - // If it isn't, then the 'pos' must be inside the change. How we update it will - // depend if delta is positive or negative. If delta is positive then we have - // something like: - // - // -------------------AAA----------------- - // -------------------BBBCCCCCCC----------------- - // - // In this case, we consider any node that started in the change range to still be - // starting at the same position. - // - // however, if the delta is negative, then we instead have something like this: - // - // -------------------XXXYYYYYYY----------------- - // -------------------ZZZ----------------- - // - // In this case, any element that started in the 'X' range will keep its position. - // However any element htat started after that will have their pos adjusted to be - // at the end of the new range. i.e. any node that started in the 'Y' range will - // be adjusted to have their start at the end of the 'Z' range. - // - // The element will keep its position if possible. Or Move backward to the new-end - // if it's in the 'Y' range. - element.pos = Math.min(element.pos, changeRangeNewEnd); - // If the 'end' is after the change range, then we always adjust it by the delta - // amount. However, if the end is in the change range, then how we adjust it - // will depend on if delta is positive or negative. If delta is positive then we - // have something like: - // - // -------------------AAA----------------- - // -------------------BBBCCCCCCC----------------- - // - // In this case, we consider any node that ended inside the change range to keep its - // end position. - // - // however, if the delta is negative, then we instead have something like this: - // - // -------------------XXXYYYYYYY----------------- - // -------------------ZZZ----------------- - // - // In this case, any element that ended in the 'X' range will keep its position. - // However any element htat ended after that will have their pos adjusted to be - // at the end of the new range. i.e. any node that ended in the 'Y' range will - // be adjusted to have their end at the end of the 'Z' range. - if (element.end >= changeRangeOldEnd) { - // Element ends after the change range. Always adjust the end pos. - element.end += delta; - } - else { - // Element ends in the change range. The element will keep its position if - // possible. Or Move backward to the new-end if it's in the 'Y' range. - element.end = Math.min(element.end, changeRangeNewEnd); - } - ts.Debug.assert(element.pos <= element.end); - if (element.parent) { - ts.Debug.assert(element.pos >= element.parent.pos); - ts.Debug.assert(element.end <= element.parent.end); - } - } - function checkNodePositions(node, aggressiveChecks) { - if (aggressiveChecks) { - var pos_2 = node.pos; - forEachChild(node, function (child) { - ts.Debug.assert(child.pos >= pos_2); - pos_2 = child.end; - }); - ts.Debug.assert(pos_2 <= node.end); - } - } - function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { - visitNode(sourceFile); - return; - function visitNode(child) { - ts.Debug.assert(child.pos <= child.end); - if (child.pos > changeRangeOldEnd) { - // Node is entirely past the change range. We need to move both its pos and - // end, forward or backward appropriately. - moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); - return; - } - // Check if the element intersects the change range. If it does, then it is not - // reusable. Also, we'll need to recurse to see what constituent portions we may - // be able to use. - var fullEnd = child.end; - if (fullEnd >= changeStart) { - child.intersectsChange = true; - child._children = undefined; - // Adjust the pos or end (or both) of the intersecting element accordingly. - adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - forEachChild(child, visitNode, visitArray); - checkNodePositions(child, aggressiveChecks); - return; - } - // Otherwise, the node is entirely before the change range. No need to do anything with it. - ts.Debug.assert(fullEnd < changeStart); - } - function visitArray(array) { - ts.Debug.assert(array.pos <= array.end); - if (array.pos > changeRangeOldEnd) { - // Array is entirely after the change range. We need to move it, and move any of - // its children. - moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); - return; - } - // Check if the element intersects the change range. If it does, then it is not - // reusable. Also, we'll need to recurse to see what constituent portions we may - // be able to use. - var fullEnd = array.end; - if (fullEnd >= changeStart) { - array.intersectsChange = true; - array._children = undefined; - // Adjust the pos or end (or both) of the intersecting array accordingly. - adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); - for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { - var node = array_8[_i]; - visitNode(node); - } - return; - } - // Otherwise, the array is entirely before the change range. No need to do anything with it. - ts.Debug.assert(fullEnd < changeStart); - } - } - function extendToAffectedRange(sourceFile, changeRange) { - // Consider the following code: - // void foo() { /; } - // - // If the text changes with an insertion of / just before the semicolon then we end up with: - // void foo() { //; } - // - // If we were to just use the changeRange a is, then we would not rescan the { token - // (as it does not intersect the actual original change range). Because an edit may - // change the token touching it, we actually need to look back *at least* one token so - // that the prior token sees that change. - var maxLookahead = 1; - var start = changeRange.span.start; - // the first iteration aligns us with the change start. subsequent iteration move us to - // the left by maxLookahead tokens. We only need to do this as long as we're not at the - // start of the tree. - for (var i = 0; start > 0 && i <= maxLookahead; i++) { - var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); - ts.Debug.assert(nearestNode.pos <= start); - var position = nearestNode.pos; - start = Math.max(0, position - 1); - } - var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); - var finalLength = changeRange.newLength + (changeRange.span.start - start); - return ts.createTextChangeRange(finalSpan, finalLength); - } - function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { - var bestResult = sourceFile; - var lastNodeEntirelyBeforePosition; - forEachChild(sourceFile, visit); - if (lastNodeEntirelyBeforePosition) { - var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); - if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { - bestResult = lastChildOfLastEntireNodeBeforePosition; - } - } - return bestResult; - function getLastChild(node) { - while (true) { - var lastChild = getLastChildWorker(node); - if (lastChild) { - node = lastChild; - } - else { - return node; - } - } - } - function getLastChildWorker(node) { - var last = undefined; - forEachChild(node, function (child) { - if (ts.nodeIsPresent(child)) { - last = child; - } - }); - return last; - } - function visit(child) { - if (ts.nodeIsMissing(child)) { - // Missing nodes are effectively invisible to us. We never even consider them - // When trying to find the nearest node before us. - return; - } - // If the child intersects this position, then this node is currently the nearest - // node that starts before the position. - if (child.pos <= position) { - if (child.pos >= bestResult.pos) { - // This node starts before the position, and is closer to the position than - // the previous best node we found. It is now the new best node. - bestResult = child; - } - // Now, the node may overlap the position, or it may end entirely before the - // position. If it overlaps with the position, then either it, or one of its - // children must be the nearest node before the position. So we can just - // recurse into this child to see if we can find something better. - if (position < child.end) { - // The nearest node is either this child, or one of the children inside - // of it. We've already marked this child as the best so far. Recurse - // in case one of the children is better. - forEachChild(child, visit); - // Once we look at the children of this node, then there's no need to - // continue any further. - return true; - } - else { - ts.Debug.assert(child.end <= position); - // The child ends entirely before this position. Say you have the following - // (where $ is the position) - // - // ? $ : <...> <...> - // - // We would want to find the nearest preceding node in "complex expr 2". - // To support that, we keep track of this node, and once we're done searching - // for a best node, we recurse down this node to see if we can find a good - // result in it. - // - // This approach allows us to quickly skip over nodes that are entirely - // before the position, while still allowing us to find any nodes in the - // last one that might be what we want. - lastNodeEntirelyBeforePosition = child; - } - } - else { - ts.Debug.assert(child.pos > position); - // We're now at a node that is entirely past the position we're searching for. - // This node (and all following nodes) could never contribute to the result, - // so just skip them by returning 'true' here. - return true; - } - } - } - function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { - var oldText = sourceFile.text; - if (textChangeRange) { - ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); - if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) { - var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); - var newTextPrefix = newText.substr(0, textChangeRange.span.start); - ts.Debug.assert(oldTextPrefix === newTextPrefix); - var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); - var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); - ts.Debug.assert(oldTextSuffix === newTextSuffix); - } - } - } - function createSyntaxCursor(sourceFile) { - var currentArray = sourceFile.statements; - var currentArrayIndex = 0; - ts.Debug.assert(currentArrayIndex < currentArray.length); - var current = currentArray[currentArrayIndex]; - var lastQueriedPosition = -1 /* Value */; - return { - currentNode: function (position) { - // Only compute the current node if the position is different than the last time - // we were asked. The parser commonly asks for the node at the same position - // twice. Once to know if can read an appropriate list element at a certain point, - // and then to actually read and consume the node. - if (position !== lastQueriedPosition) { - // Much of the time the parser will need the very next node in the array that - // we just returned a node from.So just simply check for that case and move - // forward in the array instead of searching for the node again. - if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { - currentArrayIndex++; - current = currentArray[currentArrayIndex]; - } - // If we don't have a node, or the node we have isn't in the right position, - // then try to find a viable node at the position requested. - if (!current || current.pos !== position) { - findHighestListElementThatStartsAtPosition(position); - } - } - // Cache this query so that we don't do any extra work if the parser calls back - // into us. Note: this is very common as the parser will make pairs of calls like - // 'isListElement -> parseListElement'. If we were unable to find a node when - // called with 'isListElement', we don't want to redo the work when parseListElement - // is called immediately after. - lastQueriedPosition = position; - // Either we don'd have a node, or we have a node at the position being asked for. - ts.Debug.assert(!current || current.pos === position); - return current; - } - }; - // Finds the highest element in the tree we can find that starts at the provided position. - // The element must be a direct child of some node list in the tree. This way after we - // return it, we can easily return its next sibling in the list. - function findHighestListElementThatStartsAtPosition(position) { - // Clear out any cached state about the last node we found. - currentArray = undefined; - currentArrayIndex = -1 /* Value */; - current = undefined; - // Recurse into the source file to find the highest node at this position. - forEachChild(sourceFile, visitNode, visitArray); - return; - function visitNode(node) { - if (position >= node.pos && position < node.end) { - // Position was within this node. Keep searching deeper to find the node. - forEachChild(node, visitNode, visitArray); - // don't procede any futher in the search. - return true; - } - // position wasn't in this node, have to keep searching. - return false; - } - function visitArray(array) { - if (position >= array.pos && position < array.end) { - // position was in this array. Search through this array to see if we find a - // viable element. - for (var i = 0, n = array.length; i < n; i++) { - var child = array[i]; - if (child) { - if (child.pos === position) { - // Found the right node. We're done. - currentArray = array; - currentArrayIndex = i; - current = child; - return true; - } - else { - if (child.pos < position && position < child.end) { - // Position in somewhere within this child. Search in it and - // stop searching in this array. - forEachChild(child, visitNode, visitArray); - return true; - } - } - } - } - } - // position wasn't in this array, have to keep searching. - return false; - } - } - } - var InvalidPosition; - (function (InvalidPosition) { - InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; - })(InvalidPosition || (InvalidPosition = {})); - })(IncrementalParser || (IncrementalParser = {})); -})(ts || (ts = {})); -/// -/// -/* @internal */ -var ts; -(function (ts) { - ts.bindTime = 0; - (function (ModuleInstanceState) { - ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; - ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; - ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; - })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); - var ModuleInstanceState = ts.ModuleInstanceState; - var Reachability; - (function (Reachability) { - Reachability[Reachability["Unintialized"] = 1] = "Unintialized"; - Reachability[Reachability["Reachable"] = 2] = "Reachable"; - Reachability[Reachability["Unreachable"] = 4] = "Unreachable"; - Reachability[Reachability["ReportedUnreachable"] = 8] = "ReportedUnreachable"; - })(Reachability || (Reachability = {})); - function or(state1, state2) { - return (state1 | state2) & 2 /* Reachable */ - ? 2 /* Reachable */ - : (state1 & state2) & 8 /* ReportedUnreachable */ - ? 8 /* ReportedUnreachable */ - : 4 /* Unreachable */; - } - function getModuleInstanceState(node) { - // A module is uninstantiated if it contains only - // 1. interface declarations, type alias declarations - if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 219 /* TypeAliasDeclaration */) { - return 0 /* NonInstantiated */; - } - else if (ts.isConstEnumDeclaration(node)) { - return 2 /* ConstEnumOnly */; - } - else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && !(node.flags & 2 /* Export */)) { - return 0 /* NonInstantiated */; - } - else if (node.kind === 222 /* ModuleBlock */) { - var state_1 = 0 /* NonInstantiated */; - ts.forEachChild(node, function (n) { - switch (getModuleInstanceState(n)) { - case 0 /* NonInstantiated */: - // child is non-instantiated - continue searching - return false; - case 2 /* ConstEnumOnly */: - // child is const enum only - record state and continue searching - state_1 = 2 /* ConstEnumOnly */; - return false; - case 1 /* Instantiated */: - // child is instantiated - record state and stop - state_1 = 1 /* Instantiated */; - return true; - } - }); - return state_1; - } - else if (node.kind === 221 /* ModuleDeclaration */) { - return getModuleInstanceState(node.body); - } - else { - return 1 /* Instantiated */; - } - } - ts.getModuleInstanceState = getModuleInstanceState; - var ContainerFlags; - (function (ContainerFlags) { - // The current node is not a container, and no container manipulation should happen before - // recursing into it. - ContainerFlags[ContainerFlags["None"] = 0] = "None"; - // The current node is a container. It should be set as the current container (and block- - // container) before recursing into it. The current node does not have locals. Examples: - // - // Classes, ObjectLiterals, TypeLiterals, Interfaces... - ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; - // The current node is a block-scoped-container. It should be set as the current block- - // container before recursing into it. Examples: - // - // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements... - ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; - ContainerFlags[ContainerFlags["HasLocals"] = 4] = "HasLocals"; - // If the current node is a container that also container that also contains locals. Examples: - // - // Functions, Methods, Modules, Source-files. - ContainerFlags[ContainerFlags["IsContainerWithLocals"] = 5] = "IsContainerWithLocals"; - })(ContainerFlags || (ContainerFlags = {})); - var binder = createBinder(); - function bindSourceFile(file, options) { - var start = new Date().getTime(); - binder(file, options); - ts.bindTime += new Date().getTime() - start; - } - ts.bindSourceFile = bindSourceFile; - function createBinder() { - var file; - var options; - var parent; - var container; - var blockScopeContainer; - var lastContainer; - var seenThisKeyword; - // state used by reachability checks - var hasExplicitReturn; - var currentReachabilityState; - var labelStack; - var labelIndexMap; - var implicitLabels; - // state used for emit helpers - var hasClassExtends; - var hasAsyncFunctions; - var hasDecorators; - var hasParameterDecorators; - // If this file is an external module, then it is automatically in strict-mode according to - // ES6. If it is not an external module, then we'll determine if it is in strict mode or - // not depending on if we see "use strict" in certain places (or if we hit a class/namespace). - var inStrictMode; - var symbolCount = 0; - var Symbol; - var classifiableNames; - function bindSourceFile(f, opts) { - file = f; - options = opts; - inStrictMode = !!file.externalModuleIndicator; - classifiableNames = {}; - Symbol = ts.objectAllocator.getSymbolConstructor(); - if (!file.locals) { - bind(file); - file.symbolCount = symbolCount; - file.classifiableNames = classifiableNames; - } - file = undefined; - options = undefined; - parent = undefined; - container = undefined; - blockScopeContainer = undefined; - lastContainer = undefined; - seenThisKeyword = false; - hasExplicitReturn = false; - labelStack = undefined; - labelIndexMap = undefined; - implicitLabels = undefined; - hasClassExtends = false; - hasAsyncFunctions = false; - hasDecorators = false; - hasParameterDecorators = false; - } - return bindSourceFile; - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function addDeclarationToSymbol(symbol, node, symbolFlags) { - symbol.flags |= symbolFlags; - node.symbol = symbol; - if (!symbol.declarations) { - symbol.declarations = []; - } - symbol.declarations.push(node); - if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { - symbol.exports = {}; - } - if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { - symbol.members = {}; - } - if (symbolFlags & 107455 /* Value */) { - var valueDeclaration = symbol.valueDeclaration; - if (!valueDeclaration || - (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221 /* ModuleDeclaration */)) { - // other kinds of value declarations take precedence over modules - symbol.valueDeclaration = node; - } - } - } - // Should not be called on a declaration with a computed property name, - // unless it is a well known Symbol. - function getDeclarationName(node) { - if (node.name) { - if (ts.isAmbientModule(node)) { - return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; - } - if (node.name.kind === 137 /* ComputedPropertyName */) { - var nameExpression = node.name.expression; - // treat computed property names where expression is string/numeric literal as just string/numeric literal - if (ts.isStringOrNumericLiteral(nameExpression.kind)) { - return nameExpression.text; - } - ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); - return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); - } - return node.name.text; - } - switch (node.kind) { - case 145 /* Constructor */: - return "__constructor"; - case 153 /* FunctionType */: - case 148 /* CallSignature */: - return "__call"; - case 154 /* ConstructorType */: - case 149 /* ConstructSignature */: - return "__new"; - case 150 /* IndexSignature */: - return "__index"; - case 231 /* ExportDeclaration */: - return "__export"; - case 230 /* ExportAssignment */: - return node.isExportEquals ? "export=" : "default"; - case 184 /* BinaryExpression */: - switch (ts.getSpecialPropertyAssignmentKind(node)) { - case 2 /* ModuleExports */: - // module.exports = ... - return "export="; - case 1 /* ExportsProperty */: - case 4 /* ThisProperty */: - // exports.x = ... or this.y = ... - return node.left.name.text; - case 3 /* PrototypeProperty */: - // className.prototype.methodName = ... - return node.left.expression.name.text; - } - ts.Debug.fail("Unknown binary declaration kind"); - break; - case 216 /* FunctionDeclaration */: - case 217 /* ClassDeclaration */: - return node.flags & 512 /* Default */ ? "default" : undefined; - case 264 /* JSDocFunctionType */: - return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; - case 139 /* Parameter */: - // Parameters with names are handled at the top of this function. Parameters - // without names can only come from JSDocFunctionTypes. - ts.Debug.assert(node.parent.kind === 264 /* JSDocFunctionType */); - var functionType = node.parent; - var index = ts.indexOf(functionType.parameters, node); - return "p" + index; - } - } - function getDisplayName(node) { - return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); - } - /** - * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. - * @param symbolTable - The symbol table which node will be added to. - * @param parent - node's parent declaration. - * @param node - The declaration to be added to the symbol table - * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) - * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. - */ - function declareSymbol(symbolTable, parent, node, includes, excludes) { - ts.Debug.assert(!ts.hasDynamicName(node)); - var isDefaultExport = node.flags & 512 /* Default */; - // The exported symbol for an export default function/class node is always named "default" - var name = isDefaultExport && parent ? "default" : getDeclarationName(node); - var symbol; - if (name !== undefined) { - // Check and see if the symbol table already has a symbol with this name. If not, - // create a new symbol with this name and add it to the table. Note that we don't - // give the new symbol any flags *yet*. This ensures that it will not conflict - // with the 'excludes' flags we pass in. - // - // If we do get an existing symbol, see if it conflicts with the new symbol we're - // creating. For example, a 'var' symbol and a 'class' symbol will conflict within - // the same symbol table. If we have a conflict, report the issue on each - // declaration we have for this symbol, and then create a new symbol for this - // declaration. - // - // If we created a new symbol, either because we didn't have a symbol with this name - // in the symbol table, or we conflicted with an existing symbol, then just add this - // node as the sole declaration of the new symbol. - // - // Otherwise, we'll be merging into a compatible existing symbol (for example when - // you have multiple 'vars' with the same name in the same container). In this case - // just add this node into the declarations list of the symbol. - symbol = ts.hasProperty(symbolTable, name) - ? symbolTable[name] - : (symbolTable[name] = createSymbol(0 /* None */, name)); - if (name && (includes & 788448 /* Classifiable */)) { - classifiableNames[name] = name; - } - if (symbol.flags & excludes) { - if (node.name) { - node.name.parent = node; - } - // Report errors every position with duplicate declaration - // Report errors on previous encountered declarations - var message_1 = symbol.flags & 2 /* BlockScopedVariable */ - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 - : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.flags & 512 /* Default */) { - message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; - } - }); - ts.forEach(symbol.declarations, function (declaration) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); - }); - file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); - symbol = createSymbol(0 /* None */, name); - } - } - else { - symbol = createSymbol(0 /* None */, "__missing"); - } - addDeclarationToSymbol(symbol, node, includes); - symbol.parent = parent; - return symbol; - } - function declareModuleMember(node, symbolFlags, symbolExcludes) { - var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; - if (symbolFlags & 8388608 /* Alias */) { - if (node.kind === 233 /* ExportSpecifier */ || (node.kind === 224 /* ImportEqualsDeclaration */ && hasExportModifier)) { - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - else { - // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, - // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set - // on it. There are 2 main reasons: - // - // 1. We treat locals and exports of the same name as mutually exclusive within a container. - // That means the binder will issue a Duplicate Identifier error if you mix locals and exports - // with the same name in the same container. - // TODO: Make this a more specific error and decouple it from the exclusion logic. - // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, - // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way - // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. - // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge - // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation - // and this case is specially handled. Module augmentations should only be merged with original module definition - // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. - if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072 /* ExportContext */)) { - var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | - (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | - (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); - var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); - local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - node.localSymbol = local; - return local; - } - else { - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - } - // All container nodes are kept on a linked list in declaration order. This list is used by - // the getLocalNameOfContainer function in the type checker to validate that the local name - // used for a container is unique. - function bindChildren(node) { - // Before we recurse into a node's chilren, we first save the existing parent, container - // and block-container. Then after we pop out of processing the children, we restore - // these saved values. - var saveParent = parent; - var saveContainer = container; - var savedBlockScopeContainer = blockScopeContainer; - // This node will now be set as the parent of all of its children as we recurse into them. - parent = node; - // Depending on what kind of node this is, we may have to adjust the current container - // and block-container. If the current node is a container, then it is automatically - // considered the current block-container as well. Also, for containers that we know - // may contain locals, we proactively initialize the .locals field. We do this because - // it's highly likely that the .locals will be needed to place some child in (for example, - // a parameter, or variable declaration). - // - // However, we do not proactively create the .locals for block-containers because it's - // totally normal and common for block-containers to never actually have a block-scoped - // variable in them. We don't want to end up allocating an object for every 'block' we - // run into when most of them won't be necessary. - // - // Finally, if this is a block-container, then we clear out any existing .locals object - // it may contain within it. This happens in incremental scenarios. Because we can be - // reusing a node from a previous compilation, that node may have had 'locals' created - // for it. We must clear this so we don't accidently move any stale data forward from - // a previous compilation. - var containerFlags = getContainerFlags(node); - if (containerFlags & 1 /* IsContainer */) { - container = blockScopeContainer = node; - if (containerFlags & 4 /* HasLocals */) { - container.locals = {}; - } - addToContainerChain(container); - } - else if (containerFlags & 2 /* IsBlockScopedContainer */) { - blockScopeContainer = node; - blockScopeContainer.locals = undefined; - } - var savedReachabilityState; - var savedLabelStack; - var savedLabels; - var savedImplicitLabels; - var savedHasExplicitReturn; - var kind = node.kind; - var flags = node.flags; - // reset all reachability check related flags on node (for incremental scenarios) - flags &= ~1572864 /* ReachabilityCheckFlags */; - // reset all emit helper flags on node (for incremental scenarios) - flags &= ~62914560 /* EmitHelperFlags */; - if (kind === 218 /* InterfaceDeclaration */) { - seenThisKeyword = false; - } - var saveState = kind === 251 /* SourceFile */ || kind === 222 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); - if (saveState) { - savedReachabilityState = currentReachabilityState; - savedLabelStack = labelStack; - savedLabels = labelIndexMap; - savedImplicitLabels = implicitLabels; - savedHasExplicitReturn = hasExplicitReturn; - currentReachabilityState = 2 /* Reachable */; - hasExplicitReturn = false; - labelStack = labelIndexMap = implicitLabels = undefined; - } - if (ts.isInJavaScriptFile(node) && node.jsDocComment) { - bind(node.jsDocComment); - } - bindReachableStatement(node); - if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { - flags |= 524288 /* HasImplicitReturn */; - if (hasExplicitReturn) { - flags |= 1048576 /* HasExplicitReturn */; - } - } - if (kind === 218 /* InterfaceDeclaration */) { - flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; - } - if (kind === 251 /* SourceFile */) { - if (hasClassExtends) { - flags |= 4194304 /* HasClassExtends */; - } - if (hasDecorators) { - flags |= 8388608 /* HasDecorators */; - } - if (hasParameterDecorators) { - flags |= 16777216 /* HasParamDecorators */; - } - if (hasAsyncFunctions) { - flags |= 33554432 /* HasAsyncFunctions */; - } - } - node.flags = flags; - if (saveState) { - hasExplicitReturn = savedHasExplicitReturn; - currentReachabilityState = savedReachabilityState; - labelStack = savedLabelStack; - labelIndexMap = savedLabels; - implicitLabels = savedImplicitLabels; - } - container = saveContainer; - parent = saveParent; - blockScopeContainer = savedBlockScopeContainer; - } - /** - * Returns true if node and its subnodes were successfully traversed. - * Returning false means that node was not examined and caller needs to dive into the node himself. - */ - function bindReachableStatement(node) { - if (checkUnreachable(node)) { - ts.forEachChild(node, bind); - return; - } - switch (node.kind) { - case 201 /* WhileStatement */: - bindWhileStatement(node); - break; - case 200 /* DoStatement */: - bindDoStatement(node); - break; - case 202 /* ForStatement */: - bindForStatement(node); - break; - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - bindForInOrForOfStatement(node); - break; - case 199 /* IfStatement */: - bindIfStatement(node); - break; - case 207 /* ReturnStatement */: - case 211 /* ThrowStatement */: - bindReturnOrThrow(node); - break; - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - bindBreakOrContinueStatement(node); - break; - case 212 /* TryStatement */: - bindTryStatement(node); - break; - case 209 /* SwitchStatement */: - bindSwitchStatement(node); - break; - case 223 /* CaseBlock */: - bindCaseBlock(node); - break; - case 210 /* LabeledStatement */: - bindLabeledStatement(node); - break; - default: - ts.forEachChild(node, bind); - break; - } - } - function bindWhileStatement(n) { - var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - // bind expressions (don't affect reachability) - bind(n.expression); - currentReachabilityState = preWhileState; - var postWhileLabel = pushImplicitLabel(); - bind(n.statement); - popImplicitLabel(postWhileLabel, postWhileState); - } - function bindDoStatement(n) { - var preDoState = currentReachabilityState; - var postDoLabel = pushImplicitLabel(); - bind(n.statement); - var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; - popImplicitLabel(postDoLabel, postDoState); - // bind expressions (don't affect reachability) - bind(n.expression); - } - function bindForStatement(n) { - var preForState = currentReachabilityState; - var postForLabel = pushImplicitLabel(); - // bind expressions (don't affect reachability) - bind(n.initializer); - bind(n.condition); - bind(n.incrementor); - bind(n.statement); - // for statement is considered infinite when it condition is either omitted or is true keyword - // - for(..;;..) - // - for(..;true;..) - var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); - var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; - popImplicitLabel(postForLabel, postForState); - } - function bindForInOrForOfStatement(n) { - var preStatementState = currentReachabilityState; - var postStatementLabel = pushImplicitLabel(); - // bind expressions (don't affect reachability) - bind(n.initializer); - bind(n.expression); - bind(n.statement); - popImplicitLabel(postStatementLabel, preStatementState); - } - function bindIfStatement(n) { - // denotes reachability state when entering 'thenStatement' part of the if statement: - // i.e. if condition is false then thenStatement is unreachable - var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - // denotes reachability state when entering 'elseStatement': - // i.e. if condition is true then elseStatement is unreachable - var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; - currentReachabilityState = ifTrueState; - // bind expression (don't affect reachability) - bind(n.expression); - bind(n.thenStatement); - if (n.elseStatement) { - var preElseState = currentReachabilityState; - currentReachabilityState = ifFalseState; - bind(n.elseStatement); - currentReachabilityState = or(currentReachabilityState, preElseState); - } - else { - currentReachabilityState = or(currentReachabilityState, ifFalseState); - } - } - function bindReturnOrThrow(n) { - // bind expression (don't affect reachability) - bind(n.expression); - if (n.kind === 207 /* ReturnStatement */) { - hasExplicitReturn = true; - } - currentReachabilityState = 4 /* Unreachable */; - } - function bindBreakOrContinueStatement(n) { - // call bind on label (don't affect reachability) - bind(n.label); - // for continue case touch label so it will be marked a used - var isValidJump = jumpToLabel(n.label, n.kind === 206 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); - if (isValidJump) { - currentReachabilityState = 4 /* Unreachable */; - } - } - function bindTryStatement(n) { - // catch\finally blocks has the same reachability as try block - var preTryState = currentReachabilityState; - bind(n.tryBlock); - var postTryState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.catchClause); - var postCatchState = currentReachabilityState; - currentReachabilityState = preTryState; - bind(n.finallyBlock); - // post catch/finally state is reachable if - // - post try state is reachable - control flow can fall out of try block - // - post catch state is reachable - control flow can fall out of catch block - currentReachabilityState = or(postTryState, postCatchState); - } - function bindSwitchStatement(n) { - var preSwitchState = currentReachabilityState; - var postSwitchLabel = pushImplicitLabel(); - // bind expression (don't affect reachability) - bind(n.expression); - bind(n.caseBlock); - var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245 /* DefaultClause */; }); - // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case - var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; - popImplicitLabel(postSwitchLabel, postSwitchState); - } - function bindCaseBlock(n) { - var startState = currentReachabilityState; - for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { - var clause = _a[_i]; - currentReachabilityState = startState; - bind(clause); - if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { - errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); - } - } - } - function bindLabeledStatement(n) { - // call bind on label (don't affect reachability) - bind(n.label); - var ok = pushNamedLabel(n.label); - bind(n.statement); - if (ok) { - popNamedLabel(n.label, currentReachabilityState); - } - } - function getContainerFlags(node) { - switch (node.kind) { - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 156 /* TypeLiteral */: - case 260 /* JSDocRecordType */: - return 1 /* IsContainer */; - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 216 /* FunctionDeclaration */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 221 /* ModuleDeclaration */: - case 251 /* SourceFile */: - case 219 /* TypeAliasDeclaration */: - return 5 /* IsContainerWithLocals */; - case 247 /* CatchClause */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 223 /* CaseBlock */: - return 2 /* IsBlockScopedContainer */; - case 195 /* Block */: - // do not treat blocks directly inside a function as a block-scoped-container. - // Locals that reside in this block should go to the function locals. Othewise 'x' - // would not appear to be a redeclaration of a block scoped local in the following - // example: - // - // function foo() { - // var x; - // let x; - // } - // - // If we placed 'var x' into the function locals and 'let x' into the locals of - // the block, then there would be no collision. - // - // By not creating a new block-scoped-container here, we ensure that both 'var x' - // and 'let x' go into the Function-container's locals, and we do get a collision - // conflict. - return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; - } - return 0 /* None */; - } - function addToContainerChain(next) { - if (lastContainer) { - lastContainer.nextContainer = next; - } - lastContainer = next; - } - function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { - // Just call this directly so that the return type of this function stays "void". - declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); - } - function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { - switch (container.kind) { - // Modules, source files, and classes need specialized handling for how their - // members are declared (for example, a member of a class will go into a specific - // symbol table depending on if it is static or not). We defer to specialized - // handlers to take care of declaring these child members. - case 221 /* ModuleDeclaration */: - return declareModuleMember(node, symbolFlags, symbolExcludes); - case 251 /* SourceFile */: - return declareSourceFileMember(node, symbolFlags, symbolExcludes); - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - return declareClassMember(node, symbolFlags, symbolExcludes); - case 220 /* EnumDeclaration */: - return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); - case 156 /* TypeLiteral */: - case 168 /* ObjectLiteralExpression */: - case 218 /* InterfaceDeclaration */: - case 260 /* JSDocRecordType */: - // Interface/Object-types always have their children added to the 'members' of - // their container. They are only accessible through an instance of their - // container, and are never in scope otherwise (even inside the body of the - // object / type / interface declaring them). An exception is type parameters, - // which are in scope without qualification (similar to 'locals'). - return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 264 /* JSDocFunctionType */: - case 219 /* TypeAliasDeclaration */: - // All the children of these container types are never visible through another - // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, - // they're only accessed 'lexically' (i.e. from code that exists underneath - // their container in the tree. To accomplish this, we simply add their declared - // symbol to the 'locals' of the container. These symbols can then be found as - // the type checker walks up the containers, checking them for matching names. - return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function declareClassMember(node, symbolFlags, symbolExcludes) { - return node.flags & 64 /* Static */ - ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) - : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); - } - function declareSourceFileMember(node, symbolFlags, symbolExcludes) { - return ts.isExternalModule(file) - ? declareModuleMember(node, symbolFlags, symbolExcludes) - : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); - } - function hasExportDeclarations(node) { - var body = node.kind === 251 /* SourceFile */ ? node : node.body; - if (body.kind === 251 /* SourceFile */ || body.kind === 222 /* ModuleBlock */) { - for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { - var stat = _a[_i]; - if (stat.kind === 231 /* ExportDeclaration */ || stat.kind === 230 /* ExportAssignment */) { - return true; - } - } - } - return false; - } - function setExportContextFlag(node) { - // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular - // declarations with export modifiers) is an export context in which declarations are implicitly exported. - if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { - node.flags |= 131072 /* ExportContext */; - } - else { - node.flags &= ~131072 /* ExportContext */; - } - } - function bindModuleDeclaration(node) { - setExportContextFlag(node); - if (ts.isAmbientModule(node)) { - if (node.flags & 2 /* Export */) { - errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); - } - declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); - } - else { - var state = getModuleInstanceState(node); - if (state === 0 /* NonInstantiated */) { - declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); - } - else { - declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); - if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { - // if module was already merged with some function, class or non-const enum - // treat is a non-const-enum-only - node.symbol.constEnumOnlyModule = false; - } - else { - var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; - if (node.symbol.constEnumOnlyModule === undefined) { - // non-merged case - use the current state - node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; - } - else { - // merged case: module is const enum only if all its pieces are non-instantiated or const enum - node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; - } - } - } - } - } - function bindFunctionOrConstructorType(node) { - // For a given function symbol "<...>(...) => T" we want to generate a symbol identical - // to the one we would get for: { <...>(...): T } - // - // We do that by making an anonymous type literal symbol, and then setting the function - // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable - // from an actual type literal symbol you would have gotten had you used the long form. - var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); - addDeclarationToSymbol(symbol, node, 131072 /* Signature */); - var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); - addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); - typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); - var _a; - } - function bindObjectLiteralExpression(node) { - var ElementKind; - (function (ElementKind) { - ElementKind[ElementKind["Property"] = 1] = "Property"; - ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; - })(ElementKind || (ElementKind = {})); - if (inStrictMode) { - var seen = {}; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - if (prop.name.kind !== 69 /* Identifier */) { - continue; - } - var identifier = prop.name; - // ECMA-262 11.1.5 Object Initialiser - // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true - // a.This production is contained in strict code and IsDataDescriptor(previous) is true and - // IsDataDescriptor(propId.descriptor) is true. - // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. - // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. - // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true - // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields - var currentKind = prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */ || prop.kind === 144 /* MethodDeclaration */ - ? 1 /* Property */ - : 2 /* Accessor */; - var existingKind = seen[identifier.text]; - if (!existingKind) { - seen[identifier.text] = currentKind; - continue; - } - if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { - var span = ts.getErrorSpanForNode(file, identifier); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); - } - } - } - return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); - } - function bindAnonymousDeclaration(node, symbolFlags, name) { - var symbol = createSymbol(symbolFlags, name); - addDeclarationToSymbol(symbol, node, symbolFlags); - } - function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { - switch (blockScopeContainer.kind) { - case 221 /* ModuleDeclaration */: - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - case 251 /* SourceFile */: - if (ts.isExternalModule(container)) { - declareModuleMember(node, symbolFlags, symbolExcludes); - break; - } - // fall through. - default: - if (!blockScopeContainer.locals) { - blockScopeContainer.locals = {}; - addToContainerChain(blockScopeContainer); - } - declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); - } - } - function bindBlockScopedVariableDeclaration(node) { - bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); - } - // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized - // check for reserved words used as identifiers in strict mode code. - function checkStrictModeIdentifier(node) { - if (inStrictMode && - node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && - node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && - !ts.isIdentifierName(node)) { - // Report error only if there are no parse errors in file - if (!file.parseDiagnostics.length) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); - } - } - } - function getStrictModeIdentifierMessage(node) { - // Provide specialized messages to help the user understand why we think they're in - // strict mode. - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; - } - function checkStrictModeBinaryExpression(node) { - if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { - // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an - // Assignment operator(11.13) or of a PostfixExpression(11.3) - checkStrictModeEvalOrArguments(node, node.left); - } - } - function checkStrictModeCatchClause(node) { - // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the - // Catch production is eval or arguments - if (inStrictMode && node.variableDeclaration) { - checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); - } - } - function checkStrictModeDeleteExpression(node) { - // Grammar checking - if (inStrictMode && node.expression.kind === 69 /* Identifier */) { - // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its - // UnaryExpression is a direct reference to a variable, function argument, or function name - var span = ts.getErrorSpanForNode(file, node.expression); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); - } - } - function isEvalOrArgumentsIdentifier(node) { - return node.kind === 69 /* Identifier */ && - (node.text === "eval" || node.text === "arguments"); - } - function checkStrictModeEvalOrArguments(contextNode, name) { - if (name && name.kind === 69 /* Identifier */) { - var identifier = name; - if (isEvalOrArgumentsIdentifier(identifier)) { - // We check first if the name is inside class declaration or class expression; if so give explicit message - // otherwise report generic error message. - var span = ts.getErrorSpanForNode(file, name); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); - } - } - } - function getStrictModeEvalOrArgumentsMessage(node) { - // Provide specialized messages to help the user understand why we think they're in - // strict mode. - if (ts.getContainingClass(node)) { - return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; - } - if (file.externalModuleIndicator) { - return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; - } - return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; - } - function checkStrictModeFunctionName(node) { - if (inStrictMode) { - // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) - checkStrictModeEvalOrArguments(node, node.name); - } - } - function checkStrictModeNumericLiteral(node) { - if (inStrictMode && node.flags & 32768 /* OctalLiteral */) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); - } - } - function checkStrictModePostfixUnaryExpression(node) { - // Grammar checking - // The identifier eval or arguments may not appear as the LeftHandSideExpression of an - // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression - // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - function checkStrictModePrefixUnaryExpression(node) { - // Grammar checking - if (inStrictMode) { - if (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) { - checkStrictModeEvalOrArguments(node, node.operand); - } - } - } - function checkStrictModeWithStatement(node) { - // Grammar checking for withStatement - if (inStrictMode) { - errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); - } - } - function errorOnFirstToken(node, message, arg0, arg1, arg2) { - var span = ts.getSpanOfTokenAtPosition(file, node.pos); - file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); - } - function getDestructuringParameterName(node) { - return "__" + ts.indexOf(node.parent.parameters, node); - } - function bind(node) { - if (!node) { - return; - } - node.parent = parent; - var savedInStrictMode = inStrictMode; - if (!savedInStrictMode) { - updateStrictMode(node); - } - // First we bind declaration nodes to a symbol if possible. We'll both create a symbol - // and then potentially add the symbol to an appropriate symbol table. Possible - // destination symbol tables are: - // - // 1) The 'exports' table of the current container's symbol. - // 2) The 'members' table of the current container's symbol. - // 3) The 'locals' table of the current container. - // - // However, not all symbols will end up in any of these tables. 'Anonymous' symbols - // (like TypeLiterals for example) will not be put in any table. - bindWorker(node); - // Then we recurse into the children of the node to bind them as well. For certain - // symbols we do specialized work when we recurse. For example, we'll keep track of - // the current 'container' node when it changes. This helps us know which symbol table - // a local should go into for example. - bindChildren(node); - inStrictMode = savedInStrictMode; - } - function updateStrictMode(node) { - switch (node.kind) { - case 251 /* SourceFile */: - case 222 /* ModuleBlock */: - updateStrictModeStatementList(node.statements); - return; - case 195 /* Block */: - if (ts.isFunctionLike(node.parent)) { - updateStrictModeStatementList(node.statements); - } - return; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // All classes are automatically in strict mode in ES6. - inStrictMode = true; - return; - } - } - function updateStrictModeStatementList(statements) { - for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { - var statement = statements_1[_i]; - if (!ts.isPrologueDirective(statement)) { - return; - } - if (isUseStrictPrologueDirective(statement)) { - inStrictMode = true; - return; - } - } - } - /// Should be called only on prologue directives (isPrologueDirective(node) should be true) - function isUseStrictPrologueDirective(node) { - var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); - // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the - // string to contain unicode escapes (as per ES5). - return nodeText === "\"use strict\"" || nodeText === "'use strict'"; - } - function bindWorker(node) { - switch (node.kind) { - /* Strict mode checks */ - case 69 /* Identifier */: - return checkStrictModeIdentifier(node); - case 184 /* BinaryExpression */: - if (ts.isInJavaScriptFile(node)) { - var specialKind = ts.getSpecialPropertyAssignmentKind(node); - switch (specialKind) { - case 1 /* ExportsProperty */: - bindExportsPropertyAssignment(node); - break; - case 2 /* ModuleExports */: - bindModuleExportsAssignment(node); - break; - case 3 /* PrototypeProperty */: - bindPrototypePropertyAssignment(node); - break; - case 4 /* ThisProperty */: - bindThisPropertyAssignment(node); - break; - case 0 /* None */: - // Nothing to do - break; - default: - ts.Debug.fail("Unknown special property assignment kind"); - } - } - return checkStrictModeBinaryExpression(node); - case 247 /* CatchClause */: - return checkStrictModeCatchClause(node); - case 178 /* DeleteExpression */: - return checkStrictModeDeleteExpression(node); - case 8 /* NumericLiteral */: - return checkStrictModeNumericLiteral(node); - case 183 /* PostfixUnaryExpression */: - return checkStrictModePostfixUnaryExpression(node); - case 182 /* PrefixUnaryExpression */: - return checkStrictModePrefixUnaryExpression(node); - case 208 /* WithStatement */: - return checkStrictModeWithStatement(node); - case 162 /* ThisType */: - seenThisKeyword = true; - return; - case 151 /* TypePredicate */: - return checkTypePredicate(node); - case 138 /* TypeParameter */: - return declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 530912 /* TypeParameterExcludes */); - case 139 /* Parameter */: - return bindParameter(node); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return bindVariableDeclarationOrBindingElement(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 261 /* JSDocRecordMember */: - return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), 107455 /* PropertyExcludes */); - case 248 /* PropertyAssignment */: - case 249 /* ShorthandPropertyAssignment */: - return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 107455 /* PropertyExcludes */); - case 250 /* EnumMember */: - return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */); - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - // If this is an ObjectLiteralExpression method, then it sits in the same space - // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes - // so that it will conflict with any other object literal members with the same - // name. - return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */); - case 216 /* FunctionDeclaration */: - return bindFunctionDeclaration(node); - case 145 /* Constructor */: - return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */); - case 146 /* GetAccessor */: - return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */); - case 147 /* SetAccessor */: - return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 264 /* JSDocFunctionType */: - return bindFunctionOrConstructorType(node); - case 156 /* TypeLiteral */: - case 260 /* JSDocRecordType */: - return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type"); - case 168 /* ObjectLiteralExpression */: - return bindObjectLiteralExpression(node); - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return bindFunctionExpression(node); - case 171 /* CallExpression */: - if (ts.isInJavaScriptFile(node)) { - bindCallExpression(node); - } - break; - // Members of classes, interfaces, and modules - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - return bindClassLikeDeclaration(node); - case 218 /* InterfaceDeclaration */: - return bindBlockScopedDeclaration(node, 64 /* Interface */, 792960 /* InterfaceExcludes */); - case 219 /* TypeAliasDeclaration */: - return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793056 /* TypeAliasExcludes */); - case 220 /* EnumDeclaration */: - return bindEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return bindModuleDeclaration(node); - // Imports and exports - case 224 /* ImportEqualsDeclaration */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); - case 226 /* ImportClause */: - return bindImportClause(node); - case 231 /* ExportDeclaration */: - return bindExportDeclaration(node); - case 230 /* ExportAssignment */: - return bindExportAssignment(node); - case 251 /* SourceFile */: - return bindSourceFileIfExternalModule(); - } - } - function checkTypePredicate(node) { - var parameterName = node.parameterName, type = node.type; - if (parameterName && parameterName.kind === 69 /* Identifier */) { - checkStrictModeIdentifier(parameterName); - } - if (parameterName && parameterName.kind === 162 /* ThisType */) { - seenThisKeyword = true; - } - bind(type); - } - function bindSourceFileIfExternalModule() { - setExportContextFlag(file); - if (ts.isExternalModule(file)) { - bindSourceFileAsExternalModule(); - } - } - function bindSourceFileAsExternalModule() { - bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\""); - } - function bindExportAssignment(node) { - var boundExpression = node.kind === 230 /* ExportAssignment */ ? node.expression : node.right; - if (!container.symbol || !container.symbol.exports) { - // Export assignment in some sort of block construct - bindAnonymousDeclaration(node, 8388608 /* Alias */, getDeclarationName(node)); - } - else if (boundExpression.kind === 69 /* Identifier */ && node.kind === 230 /* ExportAssignment */) { - // An export default clause with an identifier exports all meanings of that identifier - declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* Alias */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); - } - else { - // An export default clause with an expression exports a value - declareSymbol(container.symbol.exports, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); - } - } - function bindExportDeclaration(node) { - if (!container.symbol || !container.symbol.exports) { - // Export * in some sort of block construct - bindAnonymousDeclaration(node, 1073741824 /* ExportStar */, getDeclarationName(node)); - } - else if (!node.exportClause) { - // All export * declarations are collected in an __export symbol - declareSymbol(container.symbol.exports, container.symbol, node, 1073741824 /* ExportStar */, 0 /* None */); - } - } - function bindImportClause(node) { - if (node.name) { - declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); - } - } - function setCommonJsModuleIndicator(node) { - if (!file.commonJsModuleIndicator) { - file.commonJsModuleIndicator = node; - bindSourceFileAsExternalModule(); - } - } - function bindExportsPropertyAssignment(node) { - // When we create a property via 'exports.foo = bar', the 'exports.foo' property access - // expression is the declaration - setCommonJsModuleIndicator(node); - declareSymbol(file.symbol.exports, file.symbol, node.left, 4 /* Property */ | 7340032 /* Export */, 0 /* None */); - } - function bindModuleExportsAssignment(node) { - // 'module.exports = expr' assignment - setCommonJsModuleIndicator(node); - bindExportAssignment(node); - } - function bindThisPropertyAssignment(node) { - // Declare a 'member' in case it turns out the container was an ES5 class - if (container.kind === 176 /* FunctionExpression */ || container.kind === 216 /* FunctionDeclaration */) { - container.symbol.members = container.symbol.members || {}; - // It's acceptable for multiple 'this' assignments of the same identifier to occur - declareSymbol(container.symbol.members, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ & ~4 /* Property */); - } - } - function bindPrototypePropertyAssignment(node) { - // We saw a node of the form 'x.prototype.y = z'. Declare a 'member' y on x if x was a function. - // Look up the function in the local scope, since prototype assignments should - // follow the function declaration - var leftSideOfAssignment = node.left; - var classPrototype = leftSideOfAssignment.expression; - var constructorFunction = classPrototype.expression; - // Fix up parent pointers since we're going to use these nodes before we bind into them - leftSideOfAssignment.parent = node; - constructorFunction.parent = classPrototype; - classPrototype.parent = leftSideOfAssignment; - var funcSymbol = container.locals[constructorFunction.text]; - if (!funcSymbol || !(funcSymbol.flags & 16 /* Function */)) { - return; - } - // Set up the members collection if it doesn't exist already - if (!funcSymbol.members) { - funcSymbol.members = {}; - } - // Declare the method/property - declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4 /* Property */, 107455 /* PropertyExcludes */); - } - function bindCallExpression(node) { - // We're only inspecting call expressions to detect CommonJS modules, so we can skip - // this check if we've already seen the module indicator - if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ false)) { - setCommonJsModuleIndicator(node); - } - } - function bindClassLikeDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { - hasClassExtends = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - if (node.kind === 217 /* ClassDeclaration */) { - bindBlockScopedDeclaration(node, 32 /* Class */, 899519 /* ClassExcludes */); - } - else { - var bindingName = node.name ? node.name.text : "__class"; - bindAnonymousDeclaration(node, 32 /* Class */, bindingName); - // Add name of class expression into the map for semantic classifier - if (node.name) { - classifiableNames[node.name.text] = node.name.text; - } - } - var symbol = node.symbol; - // TypeScript 1.0 spec (April 2014): 8.4 - // Every class automatically contains a static property member named 'prototype', the - // type of which is an instantiation of the class type with type Any supplied as a type - // argument for each type parameter. It is an error to explicitly declare a static - // property member with the name 'prototype'. - // - // Note: we check for this here because this class may be merging into a module. The - // module might have an exported variable called 'prototype'. We can't allow that as - // that would clash with the built-in 'prototype' for the class. - var prototypeSymbol = createSymbol(4 /* Property */ | 134217728 /* Prototype */, "prototype"); - if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { - if (node.name) { - node.name.parent = node; - } - file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); - } - symbol.exports[prototypeSymbol.name] = prototypeSymbol; - prototypeSymbol.parent = symbol; - } - function bindEnumDeclaration(node) { - return ts.isConst(node) - ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */) - : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */); - } - function bindVariableDeclarationOrBindingElement(node) { - if (inStrictMode) { - checkStrictModeEvalOrArguments(node, node.name); - } - if (!ts.isBindingPattern(node.name)) { - if (ts.isBlockOrCatchScoped(node)) { - bindBlockScopedVariableDeclaration(node); - } - else if (ts.isParameterDeclaration(node)) { - // It is safe to walk up parent chain to find whether the node is a destructing parameter declaration - // because its parent chain has already been set up, since parents are set before descending into children. - // - // If node is a binding element in parameter declaration, we need to use ParameterExcludes. - // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration - // For example: - // function foo([a,a]) {} // Duplicate Identifier error - // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter - // // which correctly set excluded symbols - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); - } - else { - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */); - } - } - } - function bindParameter(node) { - if (!ts.isDeclarationFile(file) && - !ts.isInAmbientContext(node) && - ts.nodeIsDecorated(node)) { - hasDecorators = true; - hasParameterDecorators = true; - } - if (inStrictMode) { - // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a - // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) - checkStrictModeEvalOrArguments(node, node.name); - } - if (ts.isBindingPattern(node.name)) { - bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, getDestructuringParameterName(node)); - } - else { - declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); - } - // If this is a property-parameter, then also declare the property symbol into the - // containing class. - if (ts.isParameterPropertyDeclaration(node)) { - var classDeclaration = node.parent.parent; - declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */); - } - } - function bindFunctionDeclaration(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - return declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 106927 /* FunctionExcludes */); - } - function bindFunctionExpression(node) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - } - checkStrictModeFunctionName(node); - var bindingName = node.name ? node.name.text : "__function"; - return bindAnonymousDeclaration(node, 16 /* Function */, bindingName); - } - function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { - if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { - if (ts.isAsyncFunctionLike(node)) { - hasAsyncFunctions = true; - } - if (ts.nodeIsDecorated(node)) { - hasDecorators = true; - } - } - return ts.hasDynamicName(node) - ? bindAnonymousDeclaration(node, symbolFlags, "__computed") - : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); - } - // reachability checks - function pushNamedLabel(name) { - initializeReachabilityStateIfNecessary(); - if (ts.hasProperty(labelIndexMap, name.text)) { - return false; - } - labelIndexMap[name.text] = labelStack.push(1 /* Unintialized */) - 1; - return true; - } - function pushImplicitLabel() { - initializeReachabilityStateIfNecessary(); - var index = labelStack.push(1 /* Unintialized */) - 1; - implicitLabels.push(index); - return index; - } - function popNamedLabel(label, outerState) { - var index = labelIndexMap[label.text]; - ts.Debug.assert(index !== undefined); - ts.Debug.assert(labelStack.length == index + 1); - labelIndexMap[label.text] = undefined; - setCurrentStateAtLabel(labelStack.pop(), outerState, label); - } - function popImplicitLabel(implicitLabelIndex, outerState) { - if (labelStack.length !== implicitLabelIndex + 1) { - ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); - } - var i = implicitLabels.pop(); - if (implicitLabelIndex !== i) { - ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); - } - setCurrentStateAtLabel(labelStack.pop(), outerState, /*name*/ undefined); - } - function setCurrentStateAtLabel(innerMergedState, outerState, label) { - if (innerMergedState === 1 /* Unintialized */) { - if (label && !options.allowUnusedLabels) { - file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); - } - currentReachabilityState = outerState; - } - else { - currentReachabilityState = or(innerMergedState, outerState); - } - } - function jumpToLabel(label, outerState) { - initializeReachabilityStateIfNecessary(); - var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); - if (index === undefined) { - // reference to unknown label or - // break/continue used outside of loops - return false; - } - var stateAtLabel = labelStack[index]; - labelStack[index] = stateAtLabel === 1 /* Unintialized */ ? outerState : or(stateAtLabel, outerState); - return true; - } - function checkUnreachable(node) { - switch (currentReachabilityState) { - case 4 /* Unreachable */: - var reportError = - // report error on all statements except empty ones - (ts.isStatement(node) && node.kind !== 197 /* EmptyStatement */) || - // report error on class declarations - node.kind === 217 /* ClassDeclaration */ || - // report error on instantiated modules or const-enums only modules if preserveConstEnums is set - (node.kind === 221 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)) || - // report error on regular enums and const enums if preserveConstEnums is set - (node.kind === 220 /* EnumDeclaration */ && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); - if (reportError) { - currentReachabilityState = 8 /* ReportedUnreachable */; - // unreachable code is reported if - // - user has explicitly asked about it AND - // - statement is in not ambient context (statements in ambient context is already an error - // so we should not report extras) AND - // - node is not variable statement OR - // - node is block scoped variable statement OR - // - node is not block scoped variable statement and at least one variable declaration has initializer - // Rationale: we don't want to report errors on non-initialized var's since they are hoisted - // On the other side we do want to report errors on non-initialized 'lets' because of TDZ - var reportUnreachableCode = !options.allowUnreachableCode && - !ts.isInAmbientContext(node) && - (node.kind !== 196 /* VariableStatement */ || - ts.getCombinedNodeFlags(node.declarationList) & 24576 /* BlockScoped */ || - ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); - if (reportUnreachableCode) { - errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); - } - } - case 8 /* ReportedUnreachable */: - return true; - default: - return false; - } - function shouldReportErrorOnModuleDeclaration(node) { - var instanceState = getModuleInstanceState(node); - return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && options.preserveConstEnums); - } - } - function initializeReachabilityStateIfNecessary() { - if (labelIndexMap) { - return; - } - currentReachabilityState = 2 /* Reachable */; - labelIndexMap = {}; - labelStack = []; - implicitLabels = []; - } - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var nextSymbolId = 1; - var nextNodeId = 1; - var nextMergeId = 1; - function getNodeId(node) { - if (!node.id) { - node.id = nextNodeId; - nextNodeId++; - } - return node.id; - } - ts.getNodeId = getNodeId; - ts.checkTime = 0; - function getSymbolId(symbol) { - if (!symbol.id) { - symbol.id = nextSymbolId; - nextSymbolId++; - } - return symbol.id; - } - ts.getSymbolId = getSymbolId; - function createTypeChecker(host, produceDiagnostics) { - // Cancellation that controls whether or not we can cancel in the middle of type checking. - // In general cancelling is *not* safe for the type checker. We might be in the middle of - // computing something, and we will leave our internals in an inconsistent state. Callers - // who set the cancellation token should catch if a cancellation exception occurs, and - // should throw away and create a new TypeChecker. - // - // Currently we only support setting the cancellation token when getting diagnostics. This - // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if - // they no longer need the information (for example, if the user started editing again). - var cancellationToken; - var Symbol = ts.objectAllocator.getSymbolConstructor(); - var Type = ts.objectAllocator.getTypeConstructor(); - var Signature = ts.objectAllocator.getSignatureConstructor(); - var typeCount = 0; - var symbolCount = 0; - var emptyArray = []; - var emptySymbols = {}; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = compilerOptions.target || 0 /* ES3 */; - var modulekind = ts.getEmitModuleKind(compilerOptions); - var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4 /* System */; - var emitResolver = createResolver(); - var undefinedSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "undefined"); - undefinedSymbol.declarations = []; - var argumentsSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "arguments"); - var checker = { - getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, - getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, - getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, - getTypeCount: function () { return typeCount; }, - isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, - isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, - isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, - getDiagnostics: getDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - // The language service will always care about the narrowed type of a symbol, because that is - // the type the language says the symbol should have. - getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, - getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, - getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, - getPropertiesOfType: getPropertiesOfType, - getPropertyOfType: getPropertyOfType, - getSignaturesOfType: getSignaturesOfType, - getIndexTypeOfType: getIndexTypeOfType, - getBaseTypes: getBaseTypes, - getReturnTypeOfSignature: getReturnTypeOfSignature, - getSymbolsInScope: getSymbolsInScope, - getSymbolAtLocation: getSymbolAtLocation, - getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, - getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, - getTypeAtLocation: getTypeOfNode, - typeToString: typeToString, - getSymbolDisplayBuilder: getSymbolDisplayBuilder, - symbolToString: symbolToString, - getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, - getRootSymbols: getRootSymbols, - getContextualType: getContextualType, - getFullyQualifiedName: getFullyQualifiedName, - getResolvedSignature: getResolvedSignature, - getConstantValue: getConstantValue, - isValidPropertyAccess: isValidPropertyAccess, - getSignatureFromDeclaration: getSignatureFromDeclaration, - isImplementationOfOverload: isImplementationOfOverload, - getAliasedSymbol: resolveAlias, - getEmitResolver: getEmitResolver, - getExportsOfModule: getExportsOfModuleAsArray, - getJsxElementAttributesType: getJsxElementAttributesType, - getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, - isOptionalParameter: isOptionalParameter - }; - var unknownSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "unknown"); - var resolvingSymbol = createSymbol(67108864 /* Transient */, "__resolving__"); - var anyType = createIntrinsicType(1 /* Any */, "any"); - var stringType = createIntrinsicType(2 /* String */, "string"); - var numberType = createIntrinsicType(4 /* Number */, "number"); - var booleanType = createIntrinsicType(8 /* Boolean */, "boolean"); - var esSymbolType = createIntrinsicType(16777216 /* ESSymbol */, "symbol"); - var voidType = createIntrinsicType(16 /* Void */, "void"); - var undefinedType = createIntrinsicType(32 /* Undefined */ | 2097152 /* ContainsUndefinedOrNull */, "undefined"); - var nullType = createIntrinsicType(64 /* Null */ | 2097152 /* ContainsUndefinedOrNull */, "null"); - var unknownType = createIntrinsicType(1 /* Any */, "unknown"); - var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var emptyUnionType = emptyObjectType; - var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - emptyGenericType.instantiations = {}; - var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated - // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. - anyFunctionType.flags |= 8388608 /* ContainsAnyFunctionType */; - var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - var anySignature = createSignature(undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); - var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); - var globals = {}; - var globalESSymbolConstructorSymbol; - var getGlobalPromiseConstructorSymbol; - var globalObjectType; - var globalFunctionType; - var globalArrayType; - var globalStringType; - var globalNumberType; - var globalBooleanType; - var globalRegExpType; - var globalTemplateStringsArrayType; - var globalESSymbolType; - var globalIterableType; - var globalIteratorType; - var globalIterableIteratorType; - var anyArrayType; - var getGlobalClassDecoratorType; - var getGlobalParameterDecoratorType; - var getGlobalPropertyDecoratorType; - var getGlobalMethodDecoratorType; - var getGlobalTypedPropertyDescriptorType; - var getGlobalPromiseType; - var tryGetGlobalPromiseType; - var getGlobalPromiseLikeType; - var getInstantiatedGlobalPromiseLikeType; - var getGlobalPromiseConstructorLikeType; - var getGlobalThenableType; - var jsxElementClassType; - var deferredNodes; - var tupleTypes = {}; - var unionTypes = {}; - var intersectionTypes = {}; - var stringLiteralTypes = {}; - var resolutionTargets = []; - var resolutionResults = []; - var resolutionPropertyNames = []; - var mergedSymbols = []; - var symbolLinks = []; - var nodeLinks = []; - var potentialThisCollisions = []; - var awaitedTypeStack = []; - var diagnostics = ts.createDiagnosticCollection(); - var primitiveTypeInfo = { - "string": { - type: stringType, - flags: 258 /* StringLike */ - }, - "number": { - type: numberType, - flags: 132 /* NumberLike */ - }, - "boolean": { - type: booleanType, - flags: 8 /* Boolean */ - }, - "symbol": { - type: esSymbolType, - flags: 16777216 /* ESSymbol */ - }, - "undefined": { - type: undefinedType, - flags: 2097152 /* ContainsUndefinedOrNull */ - } - }; - var jsxElementType; - /** Things we lazy load from the JSX namespace */ - var jsxTypes = {}; - var JsxNames = { - JSX: "JSX", - IntrinsicElements: "IntrinsicElements", - ElementClass: "ElementClass", - ElementAttributesPropertyNameContainer: "ElementAttributesProperty", - Element: "Element", - IntrinsicAttributes: "IntrinsicAttributes", - IntrinsicClassAttributes: "IntrinsicClassAttributes" - }; - var subtypeRelation = {}; - var assignableRelation = {}; - var identityRelation = {}; - // This is for caching the result of getSymbolDisplayBuilder. Do not access directly. - var _displayBuilder; - var TypeSystemPropertyName; - (function (TypeSystemPropertyName) { - TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; - TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; - TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; - })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); - var builtinGlobals = (_a = {}, - _a[undefinedSymbol.name] = undefinedSymbol, - _a - ); - initializeTypeChecker(); - return checker; - function getEmitResolver(sourceFile, cancellationToken) { - // Ensure we have all the type information in place for this file so that all the - // emitter questions of this resolver will return the right information. - getDiagnostics(sourceFile, cancellationToken); - return emitResolver; - } - function error(location, message, arg0, arg1, arg2) { - var diagnostic = location - ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) - : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); - diagnostics.add(diagnostic); - } - function createSymbol(flags, name) { - symbolCount++; - return new Symbol(flags, name); - } - function getExcludedSymbolFlags(flags) { - var result = 0; - if (flags & 2 /* BlockScopedVariable */) - result |= 107455 /* BlockScopedVariableExcludes */; - if (flags & 1 /* FunctionScopedVariable */) - result |= 107454 /* FunctionScopedVariableExcludes */; - if (flags & 4 /* Property */) - result |= 107455 /* PropertyExcludes */; - if (flags & 8 /* EnumMember */) - result |= 107455 /* EnumMemberExcludes */; - if (flags & 16 /* Function */) - result |= 106927 /* FunctionExcludes */; - if (flags & 32 /* Class */) - result |= 899519 /* ClassExcludes */; - if (flags & 64 /* Interface */) - result |= 792960 /* InterfaceExcludes */; - if (flags & 256 /* RegularEnum */) - result |= 899327 /* RegularEnumExcludes */; - if (flags & 128 /* ConstEnum */) - result |= 899967 /* ConstEnumExcludes */; - if (flags & 512 /* ValueModule */) - result |= 106639 /* ValueModuleExcludes */; - if (flags & 8192 /* Method */) - result |= 99263 /* MethodExcludes */; - if (flags & 32768 /* GetAccessor */) - result |= 41919 /* GetAccessorExcludes */; - if (flags & 65536 /* SetAccessor */) - result |= 74687 /* SetAccessorExcludes */; - if (flags & 262144 /* TypeParameter */) - result |= 530912 /* TypeParameterExcludes */; - if (flags & 524288 /* TypeAlias */) - result |= 793056 /* TypeAliasExcludes */; - if (flags & 8388608 /* Alias */) - result |= 8388608 /* AliasExcludes */; - return result; - } - function recordMergedSymbol(target, source) { - if (!source.mergeId) { - source.mergeId = nextMergeId; - nextMergeId++; - } - mergedSymbols[source.mergeId] = target; - } - function cloneSymbol(symbol) { - var result = createSymbol(symbol.flags | 33554432 /* Merged */, symbol.name); - result.declarations = symbol.declarations.slice(0); - result.parent = symbol.parent; - if (symbol.valueDeclaration) - result.valueDeclaration = symbol.valueDeclaration; - if (symbol.constEnumOnlyModule) - result.constEnumOnlyModule = true; - if (symbol.members) - result.members = cloneSymbolTable(symbol.members); - if (symbol.exports) - result.exports = cloneSymbolTable(symbol.exports); - recordMergedSymbol(result, symbol); - return result; - } - function mergeSymbol(target, source) { - if (!(target.flags & getExcludedSymbolFlags(source.flags))) { - if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) { - // reset flag when merging instantiated module into value module that has only const enums - target.constEnumOnlyModule = false; - } - target.flags |= source.flags; - if (source.valueDeclaration && - (!target.valueDeclaration || - (target.valueDeclaration.kind === 221 /* ModuleDeclaration */ && source.valueDeclaration.kind !== 221 /* ModuleDeclaration */))) { - // other kinds of value declarations take precedence over modules - target.valueDeclaration = source.valueDeclaration; - } - ts.forEach(source.declarations, function (node) { - target.declarations.push(node); - }); - if (source.members) { - if (!target.members) - target.members = {}; - mergeSymbolTable(target.members, source.members); - } - if (source.exports) { - if (!target.exports) - target.exports = {}; - mergeSymbolTable(target.exports, source.exports); - } - recordMergedSymbol(target, source); - } - else { - var message_2 = target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */ - ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; - ts.forEach(source.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - ts.forEach(target.declarations, function (node) { - error(node.name ? node.name : node, message_2, symbolToString(source)); - }); - } - } - function cloneSymbolTable(symbolTable) { - var result = {}; - for (var id in symbolTable) { - if (ts.hasProperty(symbolTable, id)) { - result[id] = symbolTable[id]; - } - } - return result; - } - function mergeSymbolTable(target, source) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (!ts.hasProperty(target, id)) { - target[id] = source[id]; - } - else { - var symbol = target[id]; - if (!(symbol.flags & 33554432 /* Merged */)) { - target[id] = symbol = cloneSymbol(symbol); - } - mergeSymbol(symbol, source[id]); - } - } - } - } - function mergeModuleAugmentation(moduleName) { - var moduleAugmentation = moduleName.parent; - if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { - // this is a combined symbol for multiple augmentations within the same file. - // its symbol already has accumulated information for all declarations - // so we need to add it just once - do the work only for first declaration - ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); - return; - } - if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { - mergeSymbolTable(globals, moduleAugmentation.symbol.exports); - } - else { - // find a module that about to be augmented - var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); - if (!mainModule) { - return; - } - // obtain item referenced by 'export=' - mainModule = resolveExternalModuleSymbol(mainModule); - if (mainModule.flags & 1536 /* Namespace */) { - // if module symbol has already been merged - it is safe to use it. - // otherwise clone it - mainModule = mainModule.flags & 33554432 /* Merged */ ? mainModule : cloneSymbol(mainModule); - mergeSymbol(mainModule, moduleAugmentation.symbol); - } - else { - error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); - } - } - } - function addToSymbolTable(target, source, message) { - for (var id in source) { - if (ts.hasProperty(source, id)) { - if (ts.hasProperty(target, id)) { - // Error on redeclarations - ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); - } - else { - target[id] = source[id]; - } - } - } - function addDeclarationDiagnostic(id, message) { - return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; - } - } - function getSymbolLinks(symbol) { - if (symbol.flags & 67108864 /* Transient */) - return symbol; - var id = getSymbolId(symbol); - return symbolLinks[id] || (symbolLinks[id] = {}); - } - function getNodeLinks(node) { - var nodeId = getNodeId(node); - return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); - } - function isGlobalSourceFile(node) { - return node.kind === 251 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); - } - function getSymbol(symbols, name, meaning) { - if (meaning && ts.hasProperty(symbols, name)) { - var symbol = symbols[name]; - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); - if (symbol.flags & meaning) { - return symbol; - } - if (symbol.flags & 8388608 /* Alias */) { - var target = resolveAlias(symbol); - // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors - if (target === unknownSymbol || target.flags & meaning) { - return symbol; - } - } - } - // return undefined if we can't find a symbol. - } - /** - * Get symbols that represent parameter-property-declaration as parameter and as property declaration - * @param parameter a parameterDeclaration node - * @param parameterName a name of the parameter to get the symbols for. - * @return a tuple of two symbols - */ - function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { - var constructoDeclaration = parameter.parent; - var classDeclaration = parameter.parent.parent; - var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455 /* Value */); - var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455 /* Value */); - if (parameterSymbol && propertySymbol) { - return [parameterSymbol, propertySymbol]; - } - ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); - } - function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { - var declarationFile = ts.getSourceFileOfNode(declaration); - var useFile = ts.getSourceFileOfNode(usage); - if (declarationFile !== useFile) { - if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { - // nodes are in different files and order cannot be determines - return true; - } - var sourceFiles = host.getSourceFiles(); - return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); - } - if (declaration.pos <= usage.pos) { - // declaration is before usage - // still might be illegal if usage is in the initializer of the variable declaration - return declaration.kind !== 214 /* VariableDeclaration */ || - !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); - } - // declaration is after usage - // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) - return isUsedInFunctionOrNonStaticProperty(declaration, usage); - function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - if (declaration.parent.parent.kind === 196 /* VariableStatement */ || - declaration.parent.parent.kind === 202 /* ForStatement */) { - // variable statement/for statement case, - // use site should not be inside variable declaration (initializer of declaration or binding element) - return isSameScopeDescendentOf(usage, declaration, container); - } - else if (declaration.parent.parent.kind === 204 /* ForOfStatement */ || - declaration.parent.parent.kind === 203 /* ForInStatement */) { - // ForIn/ForOf case - use site should not be used in expression part - var expression = declaration.parent.parent.expression; - return isSameScopeDescendentOf(usage, expression, container); - } - } - function isUsedInFunctionOrNonStaticProperty(declaration, usage) { - var container = ts.getEnclosingBlockScopeContainer(declaration); - var current = usage; - while (current) { - if (current === container) { - return false; - } - if (ts.isFunctionLike(current)) { - return true; - } - var initializerOfNonStaticProperty = current.parent && - current.parent.kind === 142 /* PropertyDeclaration */ && - (current.parent.flags & 64 /* Static */) === 0 && - current.parent.initializer === current; - if (initializerOfNonStaticProperty) { - return true; - } - current = current.parent; - } - return false; - } - } - // Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and - // the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with - // the given name can be found. - function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { - var result; - var lastLocation; - var propertyWithInvalidInitializer; - var errorLocation = location; - var grandparent; - loop: while (location) { - // Locals of a source file are not in scope (because they get merged into the global symbol table) - if (location.locals && !isGlobalSourceFile(location)) { - if (result = getSymbol(location.locals, name, meaning)) { - var useResult = true; - if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { - // symbol lookup restrictions for function-like declarations - // - Type parameters of a function are in scope in the entire function declaration, including the parameter - // list and return type. However, local types are only in scope in the function body. - // - parameters are only in the scope of function body - // This restriction does not apply to JSDoc comment types because they are parented - // at a higher level than type parameters would normally be - if (meaning & result.flags & 793056 /* Type */ && lastLocation.kind !== 268 /* JSDocComment */) { - useResult = result.flags & 262144 /* TypeParameter */ - ? lastLocation === location.type || - lastLocation.kind === 139 /* Parameter */ || - lastLocation.kind === 138 /* TypeParameter */ - : false; - } - if (meaning & 107455 /* Value */ && result.flags & 1 /* FunctionScopedVariable */) { - // parameters are visible only inside function body, parameter list and return type - // technically for parameter list case here we might mix parameters and variables declared in function, - // however it is detected separately when checking initializers of parameters - // to make sure that they reference no variables declared after them. - useResult = - lastLocation.kind === 139 /* Parameter */ || - (lastLocation === location.type && - result.valueDeclaration.kind === 139 /* Parameter */); - } - } - if (useResult) { - break loop; - } - else { - result = undefined; - } - } - } - switch (location.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location)) - break; - case 221 /* ModuleDeclaration */: - var moduleExports = getSymbolOfNode(location).exports; - if (location.kind === 251 /* SourceFile */ || ts.isAmbientModule(location)) { - // It's an external module. First see if the module has an export default and if the local - // name of that export default matches. - if (result = moduleExports["default"]) { - var localSymbol = ts.getLocalSymbolForExportDefault(result); - if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { - break loop; - } - result = undefined; - } - // Because of module/namespace merging, a module's exports are in scope, - // yet we never want to treat an export specifier as putting a member in scope. - // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope. - // Two things to note about this: - // 1. We have to check this without calling getSymbol. The problem with calling getSymbol - // on an export specifier is that it might find the export specifier itself, and try to - // resolve it as an alias. This will cause the checker to consider the export specifier - // a circular alias reference when it might not be. - // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely* - // an alias. If we used &, we'd be throwing out symbols that have non alias aspects, - // which is not the desired behavior. - if (ts.hasProperty(moduleExports, name) && - moduleExports[name].flags === 8388608 /* Alias */ && - ts.getDeclarationOfKind(moduleExports[name], 233 /* ExportSpecifier */)) { - break; - } - } - if (result = getSymbol(moduleExports, name, meaning & 8914931 /* ModuleMember */)) { - break loop; - } - break; - case 220 /* EnumDeclaration */: - if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) { - break loop; - } - break; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - // TypeScript 1.0 spec (April 2014): 8.4.1 - // Initializer expressions for instance member variables are evaluated in the scope - // of the class constructor body but are not permitted to reference parameters or - // local variables of the constructor. This effectively means that entities from outer scopes - // by the same name as a constructor parameter or local variable are inaccessible - // in initializer expressions for instance member variables. - if (ts.isClassLike(location.parent) && !(location.flags & 64 /* Static */)) { - var ctor = findConstructorDeclaration(location.parent); - if (ctor && ctor.locals) { - if (getSymbol(ctor.locals, name, meaning & 107455 /* Value */)) { - // Remember the property node, it will be used later to report appropriate error - propertyWithInvalidInitializer = location; - } - } - } - break; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056 /* Type */)) { - if (lastLocation && lastLocation.flags & 64 /* Static */) { - // TypeScript 1.0 spec (April 2014): 3.4.1 - // The scope of a type parameter extends over the entire declaration with which the type - // parameter list is associated, with the exception of static member declarations in classes. - error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); - return undefined; - } - break loop; - } - if (location.kind === 189 /* ClassExpression */ && meaning & 32 /* Class */) { - var className = location.name; - if (className && name === className.text) { - result = location.symbol; - break loop; - } - } - break; - // It is not legal to reference a class's own type parameters from a computed property name that - // belongs to the class. For example: - // - // function foo() { return '' } - // class C { // <-- Class's own type parameter T - // [foo()]() { } // <-- Reference to T from class's own computed property - // } - // - case 137 /* ComputedPropertyName */: - grandparent = location.parent.parent; - if (ts.isClassLike(grandparent) || grandparent.kind === 218 /* InterfaceDeclaration */) { - // A reference to this grandparent's type parameters would be an error - if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056 /* Type */)) { - error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); - return undefined; - } - } - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - if (meaning & 3 /* Variable */ && name === "arguments") { - result = argumentsSymbol; - break loop; - } - break; - case 176 /* FunctionExpression */: - if (meaning & 3 /* Variable */ && name === "arguments") { - result = argumentsSymbol; - break loop; - } - if (meaning & 16 /* Function */) { - var functionName = location.name; - if (functionName && name === functionName.text) { - result = location.symbol; - break loop; - } - } - break; - case 140 /* Decorator */: - // Decorators are resolved at the class declaration. Resolving at the parameter - // or member would result in looking up locals in the method. - // - // function y() {} - // class C { - // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. - // } - // - if (location.parent && location.parent.kind === 139 /* Parameter */) { - location = location.parent; - } - // - // function y() {} - // class C { - // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method. - // } - // - if (location.parent && ts.isClassElement(location.parent)) { - location = location.parent; - } - break; - } - lastLocation = location; - location = location.parent; - } - if (!result) { - result = getSymbol(globals, name, meaning); - } - if (!result) { - if (nameNotFoundMessage) { - if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { - error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - } - } - return undefined; - } - // Perform extra checks only if error reporting was requested - if (nameNotFoundMessage) { - if (propertyWithInvalidInitializer) { - // We have a match, but the reference occurred within a property initializer and the identifier also binds - // to a local variable in the constructor where the code will be emitted. - var propertyName = propertyWithInvalidInitializer.name; - error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return undefined; - } - // Only check for block-scoped variable if we are looking for the - // name with variable meaning - // For example, - // declare module foo { - // interface bar {} - // } - // const foo/*1*/: foo/*2*/.bar; - // The foo at /*1*/ and /*2*/ will share same symbol with two meaning - // block - scope variable and namespace module. However, only when we - // try to resolve name in /*1*/ which is used in variable position, - // we want to check for block- scoped - if (meaning & 2 /* BlockScopedVariable */) { - var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); - if (exportOrLocalSymbol.flags & 2 /* BlockScopedVariable */) { - checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); - } - } - } - return result; - } - function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { - if (!errorLocation || (errorLocation.kind === 69 /* Identifier */ && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { - return false; - } - var container = ts.getThisContainer(errorLocation, /* includeArrowFunctions */ true); - var location = container; - while (location) { - if (ts.isClassLike(location.parent)) { - var classSymbol = getSymbolOfNode(location.parent); - if (!classSymbol) { - break; - } - // Check to see if a static member exists. - var constructorType = getTypeOfSymbol(classSymbol); - if (getPropertyOfType(constructorType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); - return true; - } - // No static member is present. - // Check if we're in an instance method and look for a relevant instance member. - if (location === container && !(location.flags & 64 /* Static */)) { - var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; - if (getPropertyOfType(instanceType, name)) { - error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); - return true; - } - } - } - location = location.parent; - } - return false; - } - function checkResolvedBlockScopedVariable(result, errorLocation) { - ts.Debug.assert((result.flags & 2 /* BlockScopedVariable */) !== 0); - // Block-scoped variables cannot be used before their definition - var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); - ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); - if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214 /* VariableDeclaration */), errorLocation)) { - error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); - } - } - /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached. - * If at any point current node is equal to 'parent' node - return true. - * Return false if 'stopAt' node is reached or isFunctionLike(current) === true. - */ - function isSameScopeDescendentOf(initial, parent, stopAt) { - if (!parent) { - return false; - } - for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { - if (current === parent) { - return true; - } - } - return false; - } - function getAnyImportSyntax(node) { - if (ts.isAliasSymbolDeclaration(node)) { - if (node.kind === 224 /* ImportEqualsDeclaration */) { - return node; - } - while (node && node.kind !== 225 /* ImportDeclaration */) { - node = node.parent; - } - return node; - } - } - function getDeclarationOfAliasSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); - } - function getTargetOfImportEqualsDeclaration(node) { - if (node.moduleReference.kind === 235 /* ExternalModuleReference */) { - return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); - } - return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); - } - function getTargetOfImportClause(node) { - var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); - if (moduleSymbol) { - var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); - if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { - error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); - } - else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { - return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); - } - return exportDefaultSymbol; - } - } - function getTargetOfNamespaceImport(node) { - var moduleSpecifier = node.parent.parent.moduleSpecifier; - return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); - } - // This function creates a synthetic symbol that combines the value side of one symbol with the - // type/namespace side of another symbol. Consider this example: - // - // declare module graphics { - // interface Point { - // x: number; - // y: number; - // } - // } - // declare var graphics: { - // Point: new (x: number, y: number) => graphics.Point; - // } - // declare module "graphics" { - // export = graphics; - // } - // - // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point' - // property with the type/namespace side interface 'Point'. - function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { - if (valueSymbol.flags & (793056 /* Type */ | 1536 /* Namespace */)) { - return valueSymbol; - } - var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); - result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); - result.parent = valueSymbol.parent || typeSymbol.parent; - if (valueSymbol.valueDeclaration) - result.valueDeclaration = valueSymbol.valueDeclaration; - if (typeSymbol.members) - result.members = typeSymbol.members; - if (valueSymbol.exports) - result.exports = valueSymbol.exports; - return result; - } - function getExportOfModule(symbol, name) { - if (symbol.flags & 1536 /* Module */) { - var exports = getExportsOfSymbol(symbol); - if (ts.hasProperty(exports, name)) { - return resolveSymbol(exports[name]); - } - } - } - function getPropertyOfVariable(symbol, name) { - if (symbol.flags & 3 /* Variable */) { - var typeAnnotation = symbol.valueDeclaration.type; - if (typeAnnotation) { - return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); - } - } - } - function getExternalModuleMember(node, specifier) { - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); - if (targetSymbol) { - var name_9 = specifier.propertyName || specifier.name; - if (name_9.text) { - var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); - var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); - var symbol = symbolFromModule && symbolFromVariable ? - combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : - symbolFromModule || symbolFromVariable; - if (!symbol) { - error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); - } - return symbol; - } - } - } - function getTargetOfImportSpecifier(node) { - return getExternalModuleMember(node.parent.parent.parent, node); - } - function getTargetOfExportSpecifier(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - function getTargetOfExportAssignment(node) { - return resolveEntityName(node.expression, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - function getTargetOfAliasDeclaration(node) { - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - return getTargetOfImportEqualsDeclaration(node); - case 226 /* ImportClause */: - return getTargetOfImportClause(node); - case 227 /* NamespaceImport */: - return getTargetOfNamespaceImport(node); - case 229 /* ImportSpecifier */: - return getTargetOfImportSpecifier(node); - case 233 /* ExportSpecifier */: - return getTargetOfExportSpecifier(node); - case 230 /* ExportAssignment */: - return getTargetOfExportAssignment(node); - } - } - function resolveSymbol(symbol) { - return symbol && symbol.flags & 8388608 /* Alias */ && !(symbol.flags & (107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */)) ? resolveAlias(symbol) : symbol; - } - function resolveAlias(symbol) { - ts.Debug.assert((symbol.flags & 8388608 /* Alias */) !== 0, "Should only get Alias here."); - var links = getSymbolLinks(symbol); - if (!links.target) { - links.target = resolvingSymbol; - var node = getDeclarationOfAliasSymbol(symbol); - var target = getTargetOfAliasDeclaration(node); - if (links.target === resolvingSymbol) { - links.target = target || unknownSymbol; - } - else { - error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); - } - } - else if (links.target === resolvingSymbol) { - links.target = unknownSymbol; - } - return links.target; - } - function markExportAsReferenced(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target) { - var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || - (target !== unknownSymbol && (target.flags & 107455 /* Value */) && !isConstEnumOrConstEnumOnlyModule(target)); - if (markAlias) { - markAliasSymbolAsReferenced(symbol); - } - } - } - // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until - // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of - // the alias as an expression (which recursively takes us back here if the target references another alias). - function markAliasSymbolAsReferenced(symbol) { - var links = getSymbolLinks(symbol); - if (!links.referenced) { - links.referenced = true; - var node = getDeclarationOfAliasSymbol(symbol); - if (node.kind === 230 /* ExportAssignment */) { - // export default - checkExpressionCached(node.expression); - } - else if (node.kind === 233 /* ExportSpecifier */) { - // export { } or export { as foo } - checkExpressionCached(node.propertyName || node.name); - } - else if (ts.isInternalModuleImportEqualsDeclaration(node)) { - // import foo = - checkExpressionCached(node.moduleReference); - } - } - } - // This function is only for imports with entity names - function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { - if (!importDeclaration) { - importDeclaration = ts.getAncestor(entityName, 224 /* ImportEqualsDeclaration */); - ts.Debug.assert(importDeclaration !== undefined); - } - // There are three things we might try to look for. In the following examples, - // the search term is enclosed in |...|: - // - // import a = |b|; // Namespace - // import a = |b.c|; // Value, type, namespace - // import a = |b.c|.d; // Namespace - if (entityName.kind === 69 /* Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - // Check for case 1 and 3 in the above example - if (entityName.kind === 69 /* Identifier */ || entityName.parent.kind === 136 /* QualifiedName */) { - return resolveEntityName(entityName, 1536 /* Namespace */); - } - else { - // Case 2 in above example - // entityName.kind could be a QualifiedName or a Missing identifier - ts.Debug.assert(entityName.parent.kind === 224 /* ImportEqualsDeclaration */); - return resolveEntityName(entityName, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); - } - } - function getFullyQualifiedName(symbol) { - return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); - } - // Resolves a qualified name and any involved aliases - function resolveEntityName(name, meaning, ignoreErrors) { - if (ts.nodeIsMissing(name)) { - return undefined; - } - var symbol; - if (name.kind === 69 /* Identifier */) { - var message = meaning === 1536 /* Namespace */ ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; - symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); - if (!symbol) { - return undefined; - } - } - else if (name.kind === 136 /* QualifiedName */ || name.kind === 169 /* PropertyAccessExpression */) { - var left = name.kind === 136 /* QualifiedName */ ? name.left : name.expression; - var right = name.kind === 136 /* QualifiedName */ ? name.right : name.name; - var namespace = resolveEntityName(left, 1536 /* Namespace */, ignoreErrors); - if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { - return undefined; - } - symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); - if (!symbol) { - if (!ignoreErrors) { - error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); - } - return undefined; - } - } - else { - ts.Debug.fail("Unknown entity name kind."); - } - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); - return symbol.flags & meaning ? symbol : resolveAlias(symbol); - } - function resolveExternalModuleName(location, moduleReferenceExpression) { - return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); - } - function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { - if (moduleReferenceExpression.kind !== 9 /* StringLiteral */) { - return; - } - var moduleReferenceLiteral = moduleReferenceExpression; - // Module names are escaped in our symbol table. However, string literal values aren't. - // Escape the name in the "require(...)" clause to ensure we find the right symbol. - var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); - if (moduleName === undefined) { - return; - } - var isRelative = ts.isExternalModuleNameRelative(moduleName); - if (!isRelative) { - var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512 /* ValueModule */); - if (symbol) { - // merged symbol is module declaration symbol combined with all augmentations - return getMergedSymbol(symbol); - } - } - var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); - var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); - if (sourceFile) { - if (sourceFile.symbol) { - // merged symbol is module declaration symbol combined with all augmentations - return getMergedSymbol(sourceFile.symbol); - } - if (moduleNotFoundError) { - // report errors only if it was requested - error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); - } - return undefined; - } - if (moduleNotFoundError) { - // report errors only if it was requested - error(moduleReferenceLiteral, moduleNotFoundError, moduleName); - } - return undefined; - } - // An external module with an 'export =' declaration resolves to the target of the 'export =' declaration, - // and an external module with no 'export =' declaration resolves to the module itself. - function resolveExternalModuleSymbol(moduleSymbol) { - return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; - } - // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export =' - // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may - // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable). - function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { - var symbol = resolveExternalModuleSymbol(moduleSymbol); - if (symbol && !(symbol.flags & (1536 /* Module */ | 3 /* Variable */))) { - error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); - symbol = undefined; - } - return symbol; - } - function hasExportAssignmentSymbol(moduleSymbol) { - return moduleSymbol.exports["export="] !== undefined; - } - function getExportsOfModuleAsArray(moduleSymbol) { - return symbolsToArray(getExportsOfModule(moduleSymbol)); - } - function getExportsOfSymbol(symbol) { - return symbol.flags & 1536 /* Module */ ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; - } - function getExportsOfModule(moduleSymbol) { - var links = getSymbolLinks(moduleSymbol); - return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); - } - /** - * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument - * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables - */ - function extendExportSymbols(target, source, lookupTable, exportNode) { - for (var id in source) { - if (id !== "default" && !ts.hasProperty(target, id)) { - target[id] = source[id]; - if (lookupTable && exportNode) { - lookupTable[id] = { - specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) - }; - } - } - else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { - if (!lookupTable[id].exportsWithDuplicate) { - lookupTable[id].exportsWithDuplicate = [exportNode]; - } - else { - lookupTable[id].exportsWithDuplicate.push(exportNode); - } - } - } - } - function getExportsForModule(moduleSymbol) { - var visitedSymbols = []; - return visit(moduleSymbol) || moduleSymbol.exports; - // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example, - // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error. - function visit(symbol) { - if (!(symbol && symbol.flags & 1952 /* HasExports */ && !ts.contains(visitedSymbols, symbol))) { - return; - } - visitedSymbols.push(symbol); - var symbols = cloneSymbolTable(symbol.exports); - // All export * declarations are collected in an __export symbol by the binder - var exportStars = symbol.exports["__export"]; - if (exportStars) { - var nestedSymbols = {}; - var lookupTable = {}; - for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); - var exportedSymbols = visit(resolvedModule); - extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); - } - for (var id in lookupTable) { - var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; - // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself - if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { - continue; - } - for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { - var node = exportsWithDuplicate_1[_b]; - diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); - } - } - extendExportSymbols(symbols, nestedSymbols); - } - return symbols; - } - } - function getMergedSymbol(symbol) { - var merged; - return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; - } - function getSymbolOfNode(node) { - return getMergedSymbol(node.symbol); - } - function getParentOfSymbol(symbol) { - return getMergedSymbol(symbol.parent); - } - function getExportSymbolOfValueSymbolIfExported(symbol) { - return symbol && (symbol.flags & 1048576 /* ExportValue */) !== 0 - ? getMergedSymbol(symbol.exportSymbol) - : symbol; - } - function symbolIsValue(symbol) { - // If it is an instantiated symbol, then it is a value if the symbol it is an - // instantiation of is a value. - if (symbol.flags & 16777216 /* Instantiated */) { - return symbolIsValue(getSymbolLinks(symbol).target); - } - // If the symbol has the value flag, it is trivially a value. - if (symbol.flags & 107455 /* Value */) { - return true; - } - // If it is an alias, then it is a value if the symbol it resolves to is a value. - if (symbol.flags & 8388608 /* Alias */) { - return (resolveAlias(symbol).flags & 107455 /* Value */) !== 0; - } - return false; - } - function findConstructorDeclaration(node) { - var members = node.members; - for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { - var member = members_1[_i]; - if (member.kind === 145 /* Constructor */ && ts.nodeIsPresent(member.body)) { - return member; - } - } - } - function createType(flags) { - var result = new Type(checker, flags); - result.id = typeCount; - typeCount++; - return result; - } - function createIntrinsicType(kind, intrinsicName) { - var type = createType(kind); - type.intrinsicName = intrinsicName; - return type; - } - function createObjectType(kind, symbol) { - var type = createType(kind); - type.symbol = symbol; - return type; - } - // A reserved member name starts with two underscores, but the third character cannot be an underscore - // or the @ symbol. A third underscore indicates an escaped form of an identifer that started - // with at least two underscores. The @ character indicates that the name is denoted by a well known ES - // Symbol instance. - function isReservedMemberName(name) { - return name.charCodeAt(0) === 95 /* _ */ && - name.charCodeAt(1) === 95 /* _ */ && - name.charCodeAt(2) !== 95 /* _ */ && - name.charCodeAt(2) !== 64 /* at */; - } - function getNamedMembers(members) { - var result; - for (var id in members) { - if (ts.hasProperty(members, id)) { - if (!isReservedMemberName(id)) { - if (!result) - result = []; - var symbol = members[id]; - if (symbolIsValue(symbol)) { - result.push(symbol); - } - } - } - } - return result || emptyArray; - } - function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - type.members = members; - type.properties = getNamedMembers(members); - type.callSignatures = callSignatures; - type.constructSignatures = constructSignatures; - if (stringIndexType) - type.stringIndexType = stringIndexType; - if (numberIndexType) - type.numberIndexType = numberIndexType; - return type; - } - function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { - return setObjectTypeMembers(createObjectType(65536 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function forEachSymbolTableInScope(enclosingDeclaration, callback) { - var result; - for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { - // Locals of a source file are not in scope (because they get merged into the global symbol table) - if (location_1.locals && !isGlobalSourceFile(location_1)) { - if (result = callback(location_1.locals)) { - return result; - } - } - switch (location_1.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location_1)) { - break; - } - case 221 /* ModuleDeclaration */: - if (result = callback(getSymbolOfNode(location_1).exports)) { - return result; - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - if (result = callback(getSymbolOfNode(location_1).members)) { - return result; - } - break; - } - } - return callback(globals); - } - function getQualifiedLeftMeaning(rightMeaning) { - // If we are looking in value space, the parent meaning is value, other wise it is namespace - return rightMeaning === 107455 /* Value */ ? 107455 /* Value */ : 1536 /* Namespace */; - } - function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { - function getAccessibleSymbolChainFromSymbolTable(symbols) { - function canQualifySymbol(symbolFromSymbolTable, meaning) { - // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible - if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { - return true; - } - // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too - var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); - return !!accessibleParent; - } - function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { - if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { - // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table) - // and if symbolfrom symbolTable or alias resolution matches the symbol, - // check the symbol can be qualified, it is only then this symbol is accessible - return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && - canQualifySymbol(symbolFromSymbolTable, meaning); - } - } - // If symbol is directly available by its name in the symbol table - if (isAccessible(ts.lookUp(symbols, symbol.name))) { - return [symbol]; - } - // Check if symbol is any of the alias - return ts.forEachValue(symbols, function (symbolFromSymbolTable) { - if (symbolFromSymbolTable.flags & 8388608 /* Alias */ - && symbolFromSymbolTable.name !== "export=" - && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) { - if (!useOnlyExternalAliasing || - // Is this external alias, then use it to name - ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { - var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); - if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { - return [symbolFromSymbolTable]; - } - // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain - // but only if the symbolFromSymbolTable can be qualified - var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; - if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { - return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); - } - } - } - }); - } - if (symbol) { - return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); - } - } - function needsQualification(symbol, enclosingDeclaration, meaning) { - var qualify = false; - forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { - // If symbol of this name is not available in the symbol table we are ok - if (!ts.hasProperty(symbolTable, symbol.name)) { - // Continue to the next symbol table - return false; - } - // If the symbol with this name is present it should refer to the symbol - var symbolFromSymbolTable = symbolTable[symbol.name]; - if (symbolFromSymbolTable === symbol) { - // No need to qualify - return true; - } - // Qualify if the symbol from symbol table has same meaning as expected - symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 /* Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; - if (symbolFromSymbolTable.flags & meaning) { - qualify = true; - return true; - } - // Continue to the next symbol table - return false; - }); - return qualify; - } - function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { - if (symbol && enclosingDeclaration && !(symbol.flags & 262144 /* TypeParameter */)) { - var initialSymbol = symbol; - var meaningToLook = meaning; - while (symbol) { - // Symbol is accessible if it by itself is accessible - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, /*useOnlyExternalAliasing*/ false); - if (accessibleSymbolChain) { - var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); - if (!hasAccessibleDeclarations) { - return { - accessibility: 1 /* NotAccessible */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536 /* Namespace */) : undefined - }; - } - return hasAccessibleDeclarations; - } - // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible. - // It could be a qualified symbol and hence verify the path - // e.g.: - // module m { - // export class c { - // } - // } - // const x: typeof m.c - // In the above example when we start with checking if typeof m.c symbol is accessible, - // we are going to see if c can be accessed in scope directly. - // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible - // It is accessible if the parent m is accessible because then m.c can be accessed through qualification - meaningToLook = getQualifiedLeftMeaning(meaning); - symbol = getParentOfSymbol(symbol); - } - // This could be a symbol that is not exported in the external module - // or it could be a symbol from different external module that is not aliased and hence cannot be named - var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); - if (symbolExternalModule) { - var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); - if (symbolExternalModule !== enclosingExternalModule) { - // name from different external module that is not visible - return { - accessibility: 2 /* CannotBeNamed */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), - errorModuleName: symbolToString(symbolExternalModule) - }; - } - } - // Just a local name that is not accessible - return { - accessibility: 1 /* NotAccessible */, - errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) - }; - } - return { accessibility: 0 /* Accessible */ }; - function getExternalModuleContainer(declaration) { - for (; declaration; declaration = declaration.parent) { - if (hasExternalModuleSymbol(declaration)) { - return getSymbolOfNode(declaration); - } - } - } - } - function hasExternalModuleSymbol(declaration) { - return ts.isAmbientModule(declaration) || (declaration.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); - } - function hasVisibleDeclarations(symbol) { - var aliasesToMakeVisible; - if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { - return undefined; - } - return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible }; - function getIsDeclarationVisible(declaration) { - if (!isDeclarationVisible(declaration)) { - // Mark the unexported alias as visible if its parent is visible - // because these kind of aliases can be used to name types in declaration file - var anyImportSyntax = getAnyImportSyntax(declaration); - if (anyImportSyntax && - !(anyImportSyntax.flags & 2 /* Export */) && - isDeclarationVisible(anyImportSyntax.parent)) { - getNodeLinks(declaration).isVisible = true; - if (aliasesToMakeVisible) { - if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { - aliasesToMakeVisible.push(anyImportSyntax); - } - } - else { - aliasesToMakeVisible = [anyImportSyntax]; - } - return true; - } - // Declaration is not visible - return false; - } - return true; - } - } - function isEntityNameVisible(entityName, enclosingDeclaration) { - // get symbol of the first identifier of the entityName - var meaning; - if (entityName.parent.kind === 155 /* TypeQuery */) { - // Typeof value - meaning = 107455 /* Value */ | 1048576 /* ExportValue */; - } - else if (entityName.kind === 136 /* QualifiedName */ || entityName.kind === 169 /* PropertyAccessExpression */ || - entityName.parent.kind === 224 /* ImportEqualsDeclaration */) { - // Left identifier from type reference or TypeAlias - // Entity name of the import declaration - meaning = 1536 /* Namespace */; - } - else { - // Type Reference or TypeAlias entity = Identifier - meaning = 793056 /* Type */; - } - var firstIdentifier = getFirstIdentifier(entityName); - var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); - // Verify if the symbol is accessible - return (symbol && hasVisibleDeclarations(symbol)) || { - accessibility: 1 /* NotAccessible */, - errorSymbolName: ts.getTextOfNode(firstIdentifier), - errorNode: firstIdentifier - }; - } - function writeKeyword(writer, kind) { - writer.writeKeyword(ts.tokenToString(kind)); - } - function writePunctuation(writer, kind) { - writer.writePunctuation(ts.tokenToString(kind)); - } - function writeSpace(writer) { - writer.writeSpace(" "); - } - function symbolToString(symbol, enclosingDeclaration, meaning) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function signatureToString(signature, enclosingDeclaration, flags, kind) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function typeToString(type, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - var maxLength = compilerOptions.noErrorTruncation || flags & 4 /* NoTruncation */ ? undefined : 100; - if (maxLength && result.length >= maxLength) { - result = result.substr(0, maxLength - "...".length) + "..."; - } - return result; - } - function typePredicateToString(typePredicate, enclosingDeclaration, flags) { - var writer = ts.getSingleLineStringWriter(); - getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); - var result = writer.string(); - ts.releaseStringWriter(writer); - return result; - } - function getTypeAliasForTypeLiteral(type) { - if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) { - var node = type.symbol.declarations[0].parent; - while (node.kind === 161 /* ParenthesizedType */) { - node = node.parent; - } - if (node.kind === 219 /* TypeAliasDeclaration */) { - return getSymbolOfNode(node); - } - } - return undefined; - } - function isTopLevelInExternalModuleAugmentation(node) { - return node && node.parent && - node.parent.kind === 222 /* ModuleBlock */ && - ts.isExternalModuleAugmentation(node.parent.parent); - } - function getSymbolDisplayBuilder() { - function getNameOfSymbol(symbol) { - if (symbol.declarations && symbol.declarations.length) { - var declaration = symbol.declarations[0]; - if (declaration.name) { - return ts.declarationNameToString(declaration.name); - } - switch (declaration.kind) { - case 189 /* ClassExpression */: - return "(Anonymous class)"; - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return "(Anonymous function)"; - } - } - return symbol.name; - } - /** - * Writes only the name of the symbol out to the writer. Uses the original source text - * for the name of the symbol if it is available to match how the user inputted the name. - */ - function appendSymbolNameOnly(symbol, writer) { - writer.writeSymbol(getNameOfSymbol(symbol), symbol); - } - /** - * Enclosing declaration is optional when we don't want to get qualified name in the enclosing declaration scope - * Meaning needs to be specified if the enclosing declaration is given - */ - function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { - var parentSymbol; - function appendParentTypeArgumentsAndSymbolName(symbol) { - if (parentSymbol) { - // Write type arguments of instantiated class/interface here - if (flags & 1 /* WriteTypeParametersOrArguments */) { - if (symbol.flags & 16777216 /* Instantiated */) { - buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); - } - else { - buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); - } - } - writePunctuation(writer, 21 /* DotToken */); - } - parentSymbol = symbol; - appendSymbolNameOnly(symbol, writer); - } - // const the writer know we just wrote out a symbol. The declaration emitter writer uses - // this to determine if an import it has previously seen (and not written out) needs - // to be written to the file once the walk of the tree is complete. - // - // NOTE(cyrusn): This approach feels somewhat unfortunate. A simple pass over the tree - // up front (for example, during checking) could determine if we need to emit the imports - // and we could then access that data during declaration emit. - writer.trackSymbol(symbol, enclosingDeclaration, meaning); - function walkSymbol(symbol, meaning) { - if (symbol) { - var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2 /* UseOnlyExternalAliasing */)); - if (!accessibleSymbolChain || - needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { - // Go up and add our parent. - walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); - } - if (accessibleSymbolChain) { - for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { - var accessibleSymbol = accessibleSymbolChain_1[_i]; - appendParentTypeArgumentsAndSymbolName(accessibleSymbol); - } - } - else { - // If we didn't find accessible symbol chain for this symbol, break if this is external module - if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { - return; - } - // if this is anonymous type break - if (symbol.flags & 2048 /* TypeLiteral */ || symbol.flags & 4096 /* ObjectLiteral */) { - return; - } - appendParentTypeArgumentsAndSymbolName(symbol); - } - } - } - // Get qualified name if the symbol is not a type parameter - // and there is an enclosing declaration or we specifically - // asked for it - var isTypeParameter = symbol.flags & 262144 /* TypeParameter */; - var typeFormatFlag = 128 /* UseFullyQualifiedType */ & typeFlags; - if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { - walkSymbol(symbol, meaning); - return; - } - return appendParentTypeArgumentsAndSymbolName(symbol); - } - function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { - var globalFlagsToPass = globalFlags & 16 /* WriteOwnNameForAnyLike */; - var inObjectTypeLiteral = false; - return writeType(type, globalFlags); - function writeType(type, flags) { - // Write undefined/null type as any - if (type.flags & 16777343 /* Intrinsic */) { - // Special handling for unknown / resolving types, they should show up as any and not unknown or __resolving - writer.writeKeyword(!(globalFlags & 16 /* WriteOwnNameForAnyLike */) && isTypeAny(type) - ? "any" - : type.intrinsicName); - } - else if (type.flags & 33554432 /* ThisType */) { - if (inObjectTypeLiteral) { - writer.reportInaccessibleThisError(); - } - writer.writeKeyword("this"); - } - else if (type.flags & 4096 /* Reference */) { - writeTypeReference(type, flags); - } - else if (type.flags & (1024 /* Class */ | 2048 /* Interface */ | 128 /* Enum */ | 512 /* TypeParameter */)) { - // The specified symbol flags need to be reinterpreted as type flags - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - else if (type.flags & 8192 /* Tuple */) { - writeTupleType(type); - } - else if (type.flags & 49152 /* UnionOrIntersection */) { - writeUnionOrIntersectionType(type, flags); - } - else if (type.flags & 65536 /* Anonymous */) { - writeAnonymousType(type, flags); - } - else if (type.flags & 256 /* StringLiteral */) { - writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); - } - else { - // Should never get here - // { ... } - writePunctuation(writer, 15 /* OpenBraceToken */); - writeSpace(writer); - writePunctuation(writer, 22 /* DotDotDotToken */); - writeSpace(writer); - writePunctuation(writer, 16 /* CloseBraceToken */); - } - } - function writeTypeList(types, delimiter) { - for (var i = 0; i < types.length; i++) { - if (i > 0) { - if (delimiter !== 24 /* CommaToken */) { - writeSpace(writer); - } - writePunctuation(writer, delimiter); - writeSpace(writer); - } - writeType(types[i], delimiter === 24 /* CommaToken */ ? 0 /* None */ : 64 /* InElementType */); - } - } - function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { - // Unnamed function expressions and arrow functions have reserved names that we don't want to display - if (symbol.flags & 32 /* Class */ || !isReservedMemberName(symbol.name)) { - buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - if (pos < end) { - writePunctuation(writer, 25 /* LessThanToken */); - writeType(typeArguments[pos], 0 /* None */); - pos++; - while (pos < end) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - writeType(typeArguments[pos], 0 /* None */); - pos++; - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function writeTypeReference(type, flags) { - var typeArguments = type.typeArguments || emptyArray; - if (type.target === globalArrayType && !(flags & 1 /* WriteArrayAsGenericType */)) { - writeType(typeArguments[0], 64 /* InElementType */); - writePunctuation(writer, 19 /* OpenBracketToken */); - writePunctuation(writer, 20 /* CloseBracketToken */); - } - else { - // Write the type reference in the format f.g.C where A and B are type arguments - // for outer type parameters, and f and g are the respective declaring containers of those - // type parameters. - var outerTypeParameters = type.target.outerTypeParameters; - var i = 0; - if (outerTypeParameters) { - var length_1 = outerTypeParameters.length; - while (i < length_1) { - // Find group of type arguments for type parameters with the same declaring container. - var start = i; - var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); - do { - i++; - } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); - // When type parameters are their own type arguments for the whole group (i.e. we have - // the default outer type arguments), we don't show the group. - if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { - writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); - writePunctuation(writer, 21 /* DotToken */); - } - } - } - var typeParameterCount = (type.target.typeParameters || emptyArray).length; - writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); - } - } - function writeTupleType(type) { - writePunctuation(writer, 19 /* OpenBracketToken */); - writeTypeList(type.elementTypes, 24 /* CommaToken */); - writePunctuation(writer, 20 /* CloseBracketToken */); - } - function writeUnionOrIntersectionType(type, flags) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - writeTypeList(type.types, type.flags & 16384 /* Union */ ? 47 /* BarToken */ : 46 /* AmpersandToken */); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - } - function writeAnonymousType(type, flags) { - var symbol = type.symbol; - if (symbol) { - // Always use 'typeof T' for type of class, enum, and module objects - if (symbol.flags & (32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { - writeTypeofSymbol(type, flags); - } - else if (shouldWriteTypeOfFunctionSymbol()) { - writeTypeofSymbol(type, flags); - } - else if (ts.contains(symbolStack, symbol)) { - // If type is an anonymous type literal in a type alias declaration, use type alias name - var typeAlias = getTypeAliasForTypeLiteral(type); - if (typeAlias) { - // The specified symbol flags need to be reinterpreted as type flags - buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); - } - else { - // Recursive usage, use any - writeKeyword(writer, 117 /* AnyKeyword */); - } - } - else { - // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead - // of types allows us to catch circular references to instantiations of the same anonymous type - if (!symbolStack) { - symbolStack = []; - } - symbolStack.push(symbol); - writeLiteralType(type, flags); - symbolStack.pop(); - } - } - else { - // Anonymous types with no symbol are never circular - writeLiteralType(type, flags); - } - function shouldWriteTypeOfFunctionSymbol() { - var isStaticMethodSymbol = !!(symbol.flags & 8192 /* Method */ && - ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64 /* Static */; })); - var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* Function */) && - (symbol.parent || - ts.forEach(symbol.declarations, function (declaration) { - return declaration.parent.kind === 251 /* SourceFile */ || declaration.parent.kind === 222 /* ModuleBlock */; - })); - if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { - // typeof is allowed only for static/non local functions - return !!(flags & 2 /* UseTypeOfFunction */) || - (ts.contains(symbolStack, symbol)); // it is type of the symbol uses itself recursively - } - } - } - function writeTypeofSymbol(type, typeFormatFlags) { - writeKeyword(writer, 101 /* TypeOfKeyword */); - writeSpace(writer); - buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455 /* Value */, 0 /* None */, typeFormatFlags); - } - function getIndexerParameterName(type, indexKind, fallbackName) { - var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); - if (!declaration) { - // declaration might not be found if indexer was added from the contextual type. - // in this case use fallback name - return fallbackName; - } - ts.Debug.assert(declaration.parameters.length !== 0); - return ts.declarationNameToString(declaration.parameters[0].name); - } - function writeLiteralType(type, flags) { - var resolved = resolveStructuredTypeMembers(type); - if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { - if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { - writePunctuation(writer, 15 /* OpenBraceToken */); - writePunctuation(writer, 16 /* CloseBraceToken */); - return; - } - if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - return; - } - if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 17 /* OpenParenToken */); - } - writeKeyword(writer, 92 /* NewKeyword */); - writeSpace(writer); - buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); - if (flags & 64 /* InElementType */) { - writePunctuation(writer, 18 /* CloseParenToken */); - } - return; - } - } - var saveInObjectTypeLiteral = inObjectTypeLiteral; - inObjectTypeLiteral = true; - writePunctuation(writer, 15 /* OpenBraceToken */); - writer.writeLine(); - writer.increaseIndent(); - for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { - var signature = _a[_i]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { - var signature = _c[_b]; - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1 /* Construct */, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - if (resolved.stringIndexType) { - // [x: string]: - writePunctuation(writer, 19 /* OpenBracketToken */); - writer.writeParameter(getIndexerParameterName(resolved, 0 /* String */, /*fallbackName*/ "x")); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeKeyword(writer, 130 /* StringKeyword */); - writePunctuation(writer, 20 /* CloseBracketToken */); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(resolved.stringIndexType, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - if (resolved.numberIndexType) { - // [x: number]: - writePunctuation(writer, 19 /* OpenBracketToken */); - writer.writeParameter(getIndexerParameterName(resolved, 1 /* Number */, /*fallbackName*/ "x")); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeKeyword(writer, 128 /* NumberKeyword */); - writePunctuation(writer, 20 /* CloseBracketToken */); - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(resolved.numberIndexType, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (p.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(t).length) { - var signatures = getSignaturesOfType(t, 0 /* Call */); - for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { - var signature = signatures_1[_f]; - buildSymbolDisplay(p, writer); - if (p.flags & 536870912 /* Optional */) { - writePunctuation(writer, 53 /* QuestionToken */); - } - buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - } - else { - buildSymbolDisplay(p, writer); - if (p.flags & 536870912 /* Optional */) { - writePunctuation(writer, 53 /* QuestionToken */); - } - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - writeType(t, 0 /* None */); - writePunctuation(writer, 23 /* SemicolonToken */); - writer.writeLine(); - } - } - writer.decreaseIndent(); - writePunctuation(writer, 16 /* CloseBraceToken */); - inObjectTypeLiteral = saveInObjectTypeLiteral; - } - } - function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { - var targetSymbol = getTargetSymbol(symbol); - if (targetSymbol.flags & 32 /* Class */ || targetSymbol.flags & 64 /* Interface */ || targetSymbol.flags & 524288 /* TypeAlias */) { - buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); - } - } - function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { - appendSymbolNameOnly(tp.symbol, writer); - var constraint = getConstraintOfTypeParameter(tp); - if (constraint) { - writeSpace(writer); - writeKeyword(writer, 83 /* ExtendsKeyword */); - writeSpace(writer); - buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { - var parameterNode = p.valueDeclaration; - if (ts.isRestParameter(parameterNode)) { - writePunctuation(writer, 22 /* DotDotDotToken */); - } - appendSymbolNameOnly(p, writer); - if (isOptionalParameter(parameterNode)) { - writePunctuation(writer, 53 /* QuestionToken */); - } - writePunctuation(writer, 54 /* ColonToken */); - writeSpace(writer); - buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); - } - function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25 /* LessThanToken */); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { - if (typeParameters && typeParameters.length) { - writePunctuation(writer, 25 /* LessThanToken */); - for (var i = 0; i < typeParameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0 /* None */); - } - writePunctuation(writer, 27 /* GreaterThanToken */); - } - } - function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { - writePunctuation(writer, 17 /* OpenParenToken */); - for (var i = 0; i < parameters.length; i++) { - if (i > 0) { - writePunctuation(writer, 24 /* CommaToken */); - writeSpace(writer); - } - buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); - } - writePunctuation(writer, 18 /* CloseParenToken */); - } - function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { - if (ts.isIdentifierTypePredicate(predicate)) { - writer.writeParameter(predicate.parameterName); - } - else { - writeKeyword(writer, 97 /* ThisKeyword */); - } - writeSpace(writer); - writeKeyword(writer, 124 /* IsKeyword */); - writeSpace(writer); - buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); - } - function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { - if (flags & 8 /* WriteArrowStyleSignature */) { - writeSpace(writer); - writePunctuation(writer, 34 /* EqualsGreaterThanToken */); - } - else { - writePunctuation(writer, 54 /* ColonToken */); - } - writeSpace(writer); - if (signature.typePredicate) { - buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); - } - else { - var returnType = getReturnTypeOfSignature(signature); - buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); - } - } - function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { - if (kind === 1 /* Construct */) { - writeKeyword(writer, 92 /* NewKeyword */); - writeSpace(writer); - } - if (signature.target && (flags & 32 /* WriteTypeArgumentsOfSignature */)) { - // Instantiated signature, write type arguments instead - // This is achieved by passing in the mapper separately - buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); - } - else { - buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); - } - buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); - buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); - } - return _displayBuilder || (_displayBuilder = { - buildSymbolDisplay: buildSymbolDisplay, - buildTypeDisplay: buildTypeDisplay, - buildTypeParameterDisplay: buildTypeParameterDisplay, - buildTypePredicateDisplay: buildTypePredicateDisplay, - buildParameterDisplay: buildParameterDisplay, - buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, - buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, - buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, - buildSignatureDisplay: buildSignatureDisplay, - buildReturnTypeDisplay: buildReturnTypeDisplay - }); - } - function isDeclarationVisible(node) { - if (node) { - var links = getNodeLinks(node); - if (links.isVisible === undefined) { - links.isVisible = !!determineIfDeclarationIsVisible(); - } - return links.isVisible; - } - return false; - function determineIfDeclarationIsVisible() { - switch (node.kind) { - case 166 /* BindingElement */: - return isDeclarationVisible(node.parent.parent); - case 214 /* VariableDeclaration */: - if (ts.isBindingPattern(node.name) && - !node.name.elements.length) { - // If the binding pattern is empty, this variable declaration is not visible - return false; - } - // Otherwise fall through - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 216 /* FunctionDeclaration */: - case 220 /* EnumDeclaration */: - case 224 /* ImportEqualsDeclaration */: - // external module augmentation is always visible - if (ts.isExternalModuleAugmentation(node)) { - return true; - } - var parent_5 = getDeclarationContainer(node); - // If the node is not exported or it is not ambient module element (except import declaration) - if (!(ts.getCombinedNodeFlags(node) & 2 /* Export */) && - !(node.kind !== 224 /* ImportEqualsDeclaration */ && parent_5.kind !== 251 /* SourceFile */ && ts.isInAmbientContext(parent_5))) { - return isGlobalSourceFile(parent_5); - } - // Exported members/ambient module elements (exception import declaration) are visible if parent is visible - return isDeclarationVisible(parent_5); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.flags & (16 /* Private */ | 32 /* Protected */)) { - // Private/protected properties/methods are not visible - return false; - } - // Public properties/methods are visible if its parents are visible, so const it fall into next case statement - case 145 /* Constructor */: - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 150 /* IndexSignature */: - case 139 /* Parameter */: - case 222 /* ModuleBlock */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 156 /* TypeLiteral */: - case 152 /* TypeReference */: - case 157 /* ArrayType */: - case 158 /* TupleType */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - case 161 /* ParenthesizedType */: - return isDeclarationVisible(node.parent); - // Default binding, import specifier and namespace import is visible - // only on demand so by default it is not visible - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - return false; - // Type parameters are always visible - case 138 /* TypeParameter */: - // Source file is always visible - case 251 /* SourceFile */: - return true; - // Export assignments do not create name bindings outside the module - case 230 /* ExportAssignment */: - return false; - default: - ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); - } - } - } - function collectLinkedAliases(node) { - var exportSymbol; - if (node.parent && node.parent.kind === 230 /* ExportAssignment */) { - exportSymbol = resolveName(node.parent, node.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, ts.Diagnostics.Cannot_find_name_0, node); - } - else if (node.parent.kind === 233 /* ExportSpecifier */) { - var exportSpecifier = node.parent; - exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? - getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : - resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - var result = []; - if (exportSymbol) { - buildVisibleNodeList(exportSymbol.declarations); - } - return result; - function buildVisibleNodeList(declarations) { - ts.forEach(declarations, function (declaration) { - getNodeLinks(declaration).isVisible = true; - var resultNode = getAnyImportSyntax(declaration) || declaration; - if (!ts.contains(result, resultNode)) { - result.push(resultNode); - } - if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { - // Add the referenced top container visible - var internalModuleReference = declaration.moduleReference; - var firstIdentifier = getFirstIdentifier(internalModuleReference); - var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); - if (importSymbol) { - buildVisibleNodeList(importSymbol.declarations); - } - } - }); - } - } - /** - * Push an entry on the type resolution stack. If an entry with the given target and the given property name - * is already on the stack, and no entries in between already have a type, then a circularity has occurred. - * In this case, the result values of the existing entry and all entries pushed after it are changed to false, - * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned. - * In order to see if the same query has already been done before, the target object and the propertyName both - * must match the one passed in. - * - * @param target The symbol, type, or signature whose type is being queried - * @param propertyName The property name that should be used to query the target for its type - */ - function pushTypeResolution(target, propertyName) { - var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); - if (resolutionCycleStartIndex >= 0) { - // A cycle was found - var length_2 = resolutionTargets.length; - for (var i = resolutionCycleStartIndex; i < length_2; i++) { - resolutionResults[i] = false; - } - return false; - } - resolutionTargets.push(target); - resolutionResults.push(/*items*/ true); - resolutionPropertyNames.push(propertyName); - return true; - } - function findResolutionCycleStartIndex(target, propertyName) { - for (var i = resolutionTargets.length - 1; i >= 0; i--) { - if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { - return -1; - } - if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { - return i; - } - } - return -1; - } - function hasType(target, propertyName) { - if (propertyName === 0 /* Type */) { - return getSymbolLinks(target).type; - } - if (propertyName === 2 /* DeclaredType */) { - return getSymbolLinks(target).declaredType; - } - if (propertyName === 1 /* ResolvedBaseConstructorType */) { - ts.Debug.assert(!!(target.flags & 1024 /* Class */)); - return target.resolvedBaseConstructorType; - } - if (propertyName === 3 /* ResolvedReturnType */) { - return target.resolvedReturnType; - } - ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); - } - // Pop an entry from the type resolution stack and return its associated result value. The result value will - // be true if no circularities were detected, or false if a circularity was found. - function popTypeResolution() { - resolutionTargets.pop(); - resolutionPropertyNames.pop(); - return resolutionResults.pop(); - } - function getDeclarationContainer(node) { - node = ts.getRootDeclaration(node); - while (node) { - switch (node.kind) { - case 214 /* VariableDeclaration */: - case 215 /* VariableDeclarationList */: - case 229 /* ImportSpecifier */: - case 228 /* NamedImports */: - case 227 /* NamespaceImport */: - case 226 /* ImportClause */: - node = node.parent; - break; - default: - return node.parent; - } - } - } - function getTypeOfPrototypeProperty(prototype) { - // TypeScript 1.0 spec (April 2014): 8.4 - // Every class automatically contains a static property member named 'prototype', - // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter. - // It is an error to explicitly declare a static property member with the name 'prototype'. - var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); - return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; - } - // Return the type of the given property in the given type, or undefined if no such property exists - function getTypeOfPropertyOfType(type, name) { - var prop = getPropertyOfType(type, name); - return prop ? getTypeOfSymbol(prop) : undefined; - } - function isTypeAny(type) { - return type && (type.flags & 1 /* Any */) !== 0; - } - // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been - // assigned by contextual typing. - function getTypeForBindingElementParent(node) { - var symbol = getSymbolOfNode(node); - return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); - } - function getTextOfPropertyName(name) { - switch (name.kind) { - case 69 /* Identifier */: - return name.text; - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - return name.text; - case 137 /* ComputedPropertyName */: - if (ts.isStringOrNumericLiteral(name.expression.kind)) { - return name.expression.text; - } - } - return undefined; - } - function isComputedNonLiteralName(name) { - return name.kind === 137 /* ComputedPropertyName */ && !ts.isStringOrNumericLiteral(name.expression.kind); - } - // Return the inferred type for a binding element - function getTypeForBindingElement(declaration) { - var pattern = declaration.parent; - var parentType = getTypeForBindingElementParent(pattern.parent); - // If parent has the unknown (error) type, then so does this binding element - if (parentType === unknownType) { - return unknownType; - } - // If no type was specified or inferred for parent, or if the specified or inferred type is any, - // infer from the initializer of the binding element if one is present. Otherwise, go with the - // undefined or any type of the parent. - if (!parentType || isTypeAny(parentType)) { - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - return parentType; - } - var type; - if (pattern.kind === 164 /* ObjectBindingPattern */) { - // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form) - var name_10 = declaration.propertyName || declaration.name; - if (isComputedNonLiteralName(name_10)) { - // computed properties with non-literal names are treated as 'any' - return anyType; - } - // Use type of the specified property, or otherwise, for a numeric name, the type of the numeric index signature, - // or otherwise the type of the string index signature. - var text = getTextOfPropertyName(name_10); - type = getTypeOfPropertyOfType(parentType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1 /* Number */) || - getIndexTypeOfType(parentType, 0 /* String */); - if (!type) { - error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); - return unknownType; - } - } - else { - // This elementType will be used if the specific property corresponding to this index is not - // present (aka the tuple element property). This call also checks that the parentType is in - // fact an iterable or array (depending on target language). - var elementType = checkIteratedTypeOrElementType(parentType, pattern, /*allowStringInput*/ false); - if (!declaration.dotDotDotToken) { - // Use specific property type when parent is a tuple or numeric index type when parent is an array - var propName = "" + ts.indexOf(pattern.elements, declaration); - type = isTupleLikeType(parentType) - ? getTypeOfPropertyOfType(parentType, propName) - : elementType; - if (!type) { - if (isTupleType(parentType)) { - error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); - } - else { - error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); - } - return unknownType; - } - } - else { - // Rest element has an array type with the same element type as the parent type - type = createArrayType(elementType); - } - } - return type; - } - function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (jsDocType) { - return getTypeFromTypeNode(jsDocType); - } - } - function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { - // First, see if this node has an @type annotation on it directly. - var typeTag = ts.getJSDocTypeTag(declaration); - if (typeTag && typeTag.typeExpression) { - return typeTag.typeExpression.type; - } - if (declaration.kind === 214 /* VariableDeclaration */ && - declaration.parent.kind === 215 /* VariableDeclarationList */ && - declaration.parent.parent.kind === 196 /* VariableStatement */) { - // @type annotation might have been on the variable statement, try that instead. - var annotation = ts.getJSDocTypeTag(declaration.parent.parent); - if (annotation && annotation.typeExpression) { - return annotation.typeExpression.type; - } - } - else if (declaration.kind === 139 /* Parameter */) { - // If it's a parameter, see if the parent has a jsdoc comment with an @param - // annotation. - var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); - if (paramTag && paramTag.typeExpression) { - return paramTag.typeExpression.type; - } - } - return undefined; - } - // Return the inferred type for a variable, parameter, or property declaration - function getTypeForVariableLikeDeclaration(declaration) { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - // If this is a variable in a JavaScript file, then use the JSDoc type (if it has - // one as its type), otherwise fallback to the below standard TS codepaths to - // try to figure it out. - var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); - if (type && type !== unknownType) { - return type; - } - } - // A variable declared in a for..in statement is always of type string - if (declaration.parent.parent.kind === 203 /* ForInStatement */) { - return stringType; - } - if (declaration.parent.parent.kind === 204 /* ForOfStatement */) { - // checkRightHandSideOfForOf will return undefined if the for-of expression type was - // missing properties/signatures required to get its iteratedType (like - // [Symbol.iterator] or next). This may be because we accessed properties from anyType, - // or it may have led to an error inside getElementTypeOfIterable. - return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; - } - if (ts.isBindingPattern(declaration.parent)) { - return getTypeForBindingElement(declaration); - } - // Use type from type annotation if one is present - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139 /* Parameter */) { - var func = declaration.parent; - // For a parameter of a set accessor, use the type of the get accessor if one is present - if (func.kind === 147 /* SetAccessor */ && !ts.hasDynamicName(func)) { - var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146 /* GetAccessor */); - if (getter) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); - } - } - // Use contextual parameter type if one is available - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - // Use the type of the initializer expression if one is present - if (declaration.initializer) { - return checkExpressionCached(declaration.initializer); - } - // If it is a short-hand property assignment, use the type of the identifier - if (declaration.kind === 249 /* ShorthandPropertyAssignment */) { - return checkIdentifier(declaration.name); - } - // If the declaration specifies a binding pattern, use the type implied by the binding pattern - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false); - } - // No type specified and nothing can be inferred - return undefined; - } - // Return the type implied by a binding pattern element. This is the type of the initializer of the element if - // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding - // pattern. Otherwise, it is the type any. - function getTypeFromBindingElement(element, includePatternInType) { - if (element.initializer) { - return getWidenedType(checkExpressionCached(element.initializer)); - } - if (ts.isBindingPattern(element.name)) { - return getTypeFromBindingPattern(element.name, includePatternInType); - } - return anyType; - } - // Return the type implied by an object binding pattern - function getTypeFromObjectBindingPattern(pattern, includePatternInType) { - var members = {}; - var hasComputedProperties = false; - ts.forEach(pattern.elements, function (e) { - var name = e.propertyName || e.name; - if (isComputedNonLiteralName(name)) { - // do not include computed properties in the implied type - hasComputedProperties = true; - return; - } - var text = getTextOfPropertyName(name); - var flags = 4 /* Property */ | 67108864 /* Transient */ | (e.initializer ? 536870912 /* Optional */ : 0); - var symbol = createSymbol(flags, text); - symbol.type = getTypeFromBindingElement(e, includePatternInType); - symbol.bindingElement = e; - members[symbol.name] = symbol; - }); - var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); - if (includePatternInType) { - result.pattern = pattern; - } - if (hasComputedProperties) { - result.flags |= 67108864 /* ObjectLiteralPatternWithComputedProperties */; - } - return result; - } - // Return the type implied by an array binding pattern - function getTypeFromArrayBindingPattern(pattern, includePatternInType) { - var elements = pattern.elements; - if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { - return languageVersion >= 2 /* ES6 */ ? createIterableType(anyType) : anyArrayType; - } - // If the pattern has at least one element, and no rest element, then it should imply a tuple type. - var elementTypes = ts.map(elements, function (e) { return e.kind === 190 /* OmittedExpression */ ? anyType : getTypeFromBindingElement(e, includePatternInType); }); - if (includePatternInType) { - var result = createNewTupleType(elementTypes); - result.pattern = pattern; - return result; - } - return createTupleType(elementTypes); - } - // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself - // and without regard to its context (i.e. without regard any type annotation or initializer associated with the - // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any] - // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is - // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring - // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of - // the parameter. - function getTypeFromBindingPattern(pattern, includePatternInType) { - return pattern.kind === 164 /* ObjectBindingPattern */ - ? getTypeFromObjectBindingPattern(pattern, includePatternInType) - : getTypeFromArrayBindingPattern(pattern, includePatternInType); - } - // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type - // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it - // is a bit more involved. For example: - // - // var [x, s = ""] = [1, "one"]; - // - // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the - // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the - // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string. - function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { - var type = getTypeForVariableLikeDeclaration(declaration); - if (type) { - if (reportErrors) { - reportErrorsFromWidening(declaration, type); - } - // During a normal type check we'll never get to here with a property assignment (the check of the containing - // object literal uses a different path). We exclude widening only so that language services and type verification - // tools see the actual type. - if (declaration.kind === 248 /* PropertyAssignment */) { - return type; - } - return getWidenedType(type); - } - // Rest parameters default to type any[], other parameters default to type any - type = declaration.dotDotDotToken ? anyArrayType : anyType; - // Report implicit any errors unless this is a private property within an ambient declaration - if (reportErrors && compilerOptions.noImplicitAny) { - var root = ts.getRootDeclaration(declaration); - if (!isPrivateWithinAmbient(root) && !(root.kind === 139 /* Parameter */ && isPrivateWithinAmbient(root.parent))) { - reportImplicitAnyError(declaration, type); - } - } - return type; - } - function getTypeOfVariableOrParameterOrProperty(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - // Handle prototype property - if (symbol.flags & 134217728 /* Prototype */) { - return links.type = getTypeOfPrototypeProperty(symbol); - } - // Handle catch clause variables - var declaration = symbol.valueDeclaration; - if (declaration.parent.kind === 247 /* CatchClause */) { - return links.type = anyType; - } - // Handle export default expressions - if (declaration.kind === 230 /* ExportAssignment */) { - return links.type = checkExpression(declaration.expression); - } - // Handle module.exports = expr - if (declaration.kind === 184 /* BinaryExpression */) { - return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); - } - if (declaration.kind === 169 /* PropertyAccessExpression */) { - // Declarations only exist for property access expressions for certain - // special assignment kinds - if (declaration.parent.kind === 184 /* BinaryExpression */) { - // Handle exports.p = expr or this.p = expr or className.prototype.method = expr - return links.type = checkExpressionCached(declaration.parent.right); - } - } - // Handle variable, parameter or property - if (!pushTypeResolution(symbol, 0 /* Type */)) { - return unknownType; - } - var type = getWidenedTypeForVariableLikeDeclaration(declaration, /*reportErrors*/ true); - if (!popTypeResolution()) { - if (symbol.valueDeclaration.type) { - // Variable has type annotation that circularly references the variable itself - type = unknownType; - error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); - } - else { - // Variable has initializer that circularly references the variable itself - type = anyType; - if (compilerOptions.noImplicitAny) { - error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); - } - } - } - links.type = type; - } - return links.type; - } - function getAnnotatedAccessorType(accessor) { - if (accessor) { - if (accessor.kind === 146 /* GetAccessor */) { - return accessor.type && getTypeFromTypeNode(accessor.type); - } - else { - var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); - return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); - } - } - return undefined; - } - function getTypeOfAccessors(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - if (!pushTypeResolution(symbol, 0 /* Type */)) { - return unknownType; - } - var getter = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); - var setter = ts.getDeclarationOfKind(symbol, 147 /* SetAccessor */); - var type = void 0; - // First try to see if the user specified a return type on the get-accessor. - var getterReturnType = getAnnotatedAccessorType(getter); - if (getterReturnType) { - type = getterReturnType; - } - else { - // If the user didn't specify a return type, try to use the set-accessor's parameter type. - var setterParameterType = getAnnotatedAccessorType(setter); - if (setterParameterType) { - type = setterParameterType; - } - else { - // If there are no specified types, try to infer it from the body of the get accessor if it exists. - if (getter && getter.body) { - type = getReturnTypeFromBody(getter); - } - else { - if (compilerOptions.noImplicitAny) { - error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); - } - type = anyType; - } - } - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var getter_1 = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); - error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); - } - } - links.type = type; - } - return links.type; - } - function getTypeOfFuncClassEnumModule(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = createObjectType(65536 /* Anonymous */, symbol); - } - return links.type; - } - function getTypeOfEnumMember(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); - } - return links.type; - } - function getTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - var targetSymbol = resolveAlias(symbol); - // It only makes sense to get the type of a value symbol. If the result of resolving - // the alias is not a value, then it has no type. To get the type associated with a - // type symbol, call getDeclaredTypeOfSymbol. - // This check is important because without it, a call to getTypeOfSymbol could end - // up recursively calling getTypeOfAlias, causing a stack overflow. - links.type = targetSymbol.flags & 107455 /* Value */ - ? getTypeOfSymbol(targetSymbol) - : unknownType; - } - return links.type; - } - function getTypeOfInstantiatedSymbol(symbol) { - var links = getSymbolLinks(symbol); - if (!links.type) { - links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); - } - return links.type; - } - function getTypeOfSymbol(symbol) { - if (symbol.flags & 16777216 /* Instantiated */) { - return getTypeOfInstantiatedSymbol(symbol); - } - if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) { - return getTypeOfVariableOrParameterOrProperty(symbol); - } - if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { - return getTypeOfFuncClassEnumModule(symbol); - } - if (symbol.flags & 8 /* EnumMember */) { - return getTypeOfEnumMember(symbol); - } - if (symbol.flags & 98304 /* Accessor */) { - return getTypeOfAccessors(symbol); - } - if (symbol.flags & 8388608 /* Alias */) { - return getTypeOfAlias(symbol); - } - return unknownType; - } - function getTargetType(type) { - return type.flags & 4096 /* Reference */ ? type.target : type; - } - function hasBaseType(type, checkBase) { - return check(type); - function check(type) { - var target = getTargetType(type); - return target === checkBase || ts.forEach(getBaseTypes(target), check); - } - } - // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set. - // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set - // in-place and returns the same array. - function appendTypeParameters(typeParameters, declarations) { - for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { - var declaration = declarations_2[_i]; - var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); - if (!typeParameters) { - typeParameters = [tp]; - } - else if (!ts.contains(typeParameters, tp)) { - typeParameters.push(tp); - } - } - return typeParameters; - } - // Appends the outer type parameters of a node to a set of type parameters and returns the resulting set. The function - // allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set in-place and - // returns the same array. - function appendOuterTypeParameters(typeParameters, node) { - while (true) { - node = node.parent; - if (!node) { - return typeParameters; - } - if (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */ || - node.kind === 216 /* FunctionDeclaration */ || node.kind === 176 /* FunctionExpression */ || - node.kind === 144 /* MethodDeclaration */ || node.kind === 177 /* ArrowFunction */) { - var declarations = node.typeParameters; - if (declarations) { - return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); - } - } - } - } - // The outer type parameters are those defined by enclosing generic classes, methods, or functions. - function getOuterTypeParametersOfClassOrInterface(symbol) { - var declaration = symbol.flags & 32 /* Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); - return appendOuterTypeParameters(undefined, declaration); - } - // The local type parameters are the combined set of type parameters from all declarations of the class, - // interface, or type alias. - function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { - var result; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var node = _a[_i]; - if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 217 /* ClassDeclaration */ || - node.kind === 189 /* ClassExpression */ || node.kind === 219 /* TypeAliasDeclaration */) { - var declaration = node; - if (declaration.typeParameters) { - result = appendTypeParameters(result, declaration.typeParameters); - } - } - } - return result; - } - // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus - // its locally declared type parameters. - function getTypeParametersOfClassOrInterface(symbol) { - return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); - } - function isConstructorType(type) { - return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; - } - function getBaseTypeNodeOfClass(type) { - return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); - } - function getConstructorsForTypeArguments(type, typeArgumentNodes) { - var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; - return ts.filter(getSignaturesOfType(type, 1 /* Construct */), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); - } - function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { - var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); - if (typeArgumentNodes) { - var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); - signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); - } - return signatures; - } - // The base constructor of a class can resolve to - // undefinedType if the class has no extends clause, - // unknownType if an error occurred during resolution of the extends expression, - // nullType if the extends expression is the null value, or - // an object type with at least one construct signature. - function getBaseConstructorTypeOfClass(type) { - if (!type.resolvedBaseConstructorType) { - var baseTypeNode = getBaseTypeNodeOfClass(type); - if (!baseTypeNode) { - return type.resolvedBaseConstructorType = undefinedType; - } - if (!pushTypeResolution(type, 1 /* ResolvedBaseConstructorType */)) { - return unknownType; - } - var baseConstructorType = checkExpression(baseTypeNode.expression); - if (baseConstructorType.flags & 80896 /* ObjectType */) { - // Resolving the members of a class requires us to resolve the base class of that class. - // We force resolution here such that we catch circularities now. - resolveStructuredTypeMembers(baseConstructorType); - } - if (!popTypeResolution()) { - error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); - return type.resolvedBaseConstructorType = unknownType; - } - if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { - error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); - return type.resolvedBaseConstructorType = unknownType; - } - type.resolvedBaseConstructorType = baseConstructorType; - } - return type.resolvedBaseConstructorType; - } - function getBaseTypes(type) { - var isClass = type.symbol.flags & 32 /* Class */; - var isInterface = type.symbol.flags & 64 /* Interface */; - if (!type.resolvedBaseTypes) { - if (!isClass && !isInterface) { - ts.Debug.fail("type must be class or interface"); - } - if (isClass) { - resolveBaseTypesOfClass(type); - } - if (isInterface) { - resolveBaseTypesOfInterface(type); - } - } - return type.resolvedBaseTypes; - } - function resolveBaseTypesOfClass(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - var baseConstructorType = getBaseConstructorTypeOfClass(type); - if (!(baseConstructorType.flags & 80896 /* ObjectType */)) { - return; - } - var baseTypeNode = getBaseTypeNodeOfClass(type); - var baseType; - var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; - if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* Class */ && - areAllOuterTypeParametersApplied(originalBaseType)) { - // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the - // class and all return the instance type of the class. There is no need for further checks and we can apply the - // type arguments in the same manner as a type reference to get the same error reporting experience. - baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); - } - else { - // The class derives from a "class-like" constructor function, check that we have at least one construct signature - // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere - // we check that all instantiated signatures return the same type. - var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); - if (!constructors.length) { - error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); - return; - } - baseType = getReturnTypeOfSignature(constructors[0]); - } - if (baseType === unknownType) { - return; - } - if (!(getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */))) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); - return; - } - if (type === baseType || hasBaseType(baseType, type)) { - error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); - return; - } - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - function areAllOuterTypeParametersApplied(type) { - // An unapplied type parameter has its symbol still the same as the matching argument symbol. - // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked. - var outerTypeParameters = type.outerTypeParameters; - if (outerTypeParameters) { - var last = outerTypeParameters.length - 1; - var typeArguments = type.typeArguments; - return outerTypeParameters[last].symbol !== typeArguments[last].symbol; - } - return true; - } - function resolveBaseTypesOfInterface(type) { - type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; - for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) { - for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { - var node = _c[_b]; - var baseType = getTypeFromTypeNode(node); - if (baseType !== unknownType) { - if (getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */)) { - if (type !== baseType && !hasBaseType(baseType, type)) { - if (type.resolvedBaseTypes === emptyArray) { - type.resolvedBaseTypes = [baseType]; - } - else { - type.resolvedBaseTypes.push(baseType); - } - } - else { - error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); - } - } - else { - error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); - } - } - } - } - } - } - // Returns true if the interface given by the symbol is free of "this" references. Specifically, the result is - // true if the interface itself contains no references to "this" in its body, if all base types are interfaces, - // and if none of the base interfaces have a "this" type. - function isIndependentInterface(symbol) { - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var declaration = _a[_i]; - if (declaration.kind === 218 /* InterfaceDeclaration */) { - if (declaration.flags & 262144 /* ContainsThis */) { - return false; - } - var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); - if (baseTypeNodes) { - for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { - var node = baseTypeNodes_1[_b]; - if (ts.isSupportedExpressionWithTypeArguments(node)) { - var baseSymbol = resolveEntityName(node.expression, 793056 /* Type */, /*ignoreErrors*/ true); - if (!baseSymbol || !(baseSymbol.flags & 64 /* Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { - return false; - } - } - } - } - } - } - return true; - } - function getDeclaredTypeOfClassOrInterface(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var kind = symbol.flags & 32 /* Class */ ? 1024 /* Class */ : 2048 /* Interface */; - var type = links.declaredType = createObjectType(kind, symbol); - var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); - var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type - // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular, - // property types inferred from initializers and method return types inferred from return statements are very hard - // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of - // "this" references. - if (outerTypeParameters || localTypeParameters || kind === 1024 /* Class */ || !isIndependentInterface(symbol)) { - type.flags |= 4096 /* Reference */; - type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); - type.outerTypeParameters = outerTypeParameters; - type.localTypeParameters = localTypeParameters; - type.instantiations = {}; - type.instantiations[getTypeListId(type.typeParameters)] = type; - type.target = type; - type.typeArguments = type.typeParameters; - type.thisType = createType(512 /* TypeParameter */ | 33554432 /* ThisType */); - type.thisType.symbol = symbol; - type.thisType.constraint = type; - } - } - return links.declaredType; - } - function getDeclaredTypeOfTypeAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - // Note that we use the links object as the target here because the symbol object is used as the unique - // identity for resolution of the 'type' property in SymbolLinks. - if (!pushTypeResolution(symbol, 2 /* DeclaredType */)) { - return unknownType; - } - var declaration = ts.getDeclarationOfKind(symbol, 219 /* TypeAliasDeclaration */); - var type = getTypeFromTypeNode(declaration.type); - if (popTypeResolution()) { - links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); - if (links.typeParameters) { - // Initialize the instantiation cache for generic type aliases. The declared type corresponds to - // an instantiation of the type alias with the type parameters supplied as type arguments. - links.instantiations = {}; - links.instantiations[getTypeListId(links.typeParameters)] = type; - } - } - else { - type = unknownType; - error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfEnum(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(128 /* Enum */); - type.symbol = symbol; - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfTypeParameter(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - var type = createType(512 /* TypeParameter */); - type.symbol = symbol; - if (!ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */).constraint) { - type.constraint = noConstraintType; - } - links.declaredType = type; - } - return links.declaredType; - } - function getDeclaredTypeOfAlias(symbol) { - var links = getSymbolLinks(symbol); - if (!links.declaredType) { - links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); - } - return links.declaredType; - } - function getDeclaredTypeOfSymbol(symbol) { - ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0); - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - return getDeclaredTypeOfClassOrInterface(symbol); - } - if (symbol.flags & 524288 /* TypeAlias */) { - return getDeclaredTypeOfTypeAlias(symbol); - } - if (symbol.flags & 384 /* Enum */) { - return getDeclaredTypeOfEnum(symbol); - } - if (symbol.flags & 262144 /* TypeParameter */) { - return getDeclaredTypeOfTypeParameter(symbol); - } - if (symbol.flags & 8388608 /* Alias */) { - return getDeclaredTypeOfAlias(symbol); - } - return unknownType; - } - // A type reference is considered independent if each type argument is considered independent. - function isIndependentTypeReference(node) { - if (node.typeArguments) { - for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { - var typeNode = _a[_i]; - if (!isIndependentType(typeNode)) { - return false; - } - } - } - return true; - } - // A type is considered independent if it the any, string, number, boolean, symbol, or void keyword, a string - // literal type, an array with an element type that is considered independent, or a type reference that is - // considered independent. - function isIndependentType(node) { - switch (node.kind) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 163 /* StringLiteralType */: - return true; - case 157 /* ArrayType */: - return isIndependentType(node.elementType); - case 152 /* TypeReference */: - return isIndependentTypeReference(node); - } - return false; - } - // A variable-like declaration is considered independent (free of this references) if it has a type annotation - // that specifies an independent type, or if it has no type annotation and no initializer (and thus of type any). - function isIndependentVariableLikeDeclaration(node) { - return node.type && isIndependentType(node.type) || !node.type && !node.initializer; - } - // A function-like declaration is considered independent (free of this references) if it has a return type - // annotation that is considered independent and if each parameter is considered independent. - function isIndependentFunctionLikeDeclaration(node) { - if (node.kind !== 145 /* Constructor */ && (!node.type || !isIndependentType(node.type))) { - return false; - } - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - if (!isIndependentVariableLikeDeclaration(parameter)) { - return false; - } - } - return true; - } - // Returns true if the class or interface member given by the symbol is free of "this" references. The - // function may return false for symbols that are actually free of "this" references because it is not - // feasible to perform a complete analysis in all cases. In particular, property members with types - // inferred from their initializers and function members with inferred return types are convervatively - // assumed not to be free of "this" references. - function isIndependentMember(symbol) { - if (symbol.declarations && symbol.declarations.length === 1) { - var declaration = symbol.declarations[0]; - if (declaration) { - switch (declaration.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return isIndependentVariableLikeDeclaration(declaration); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - return isIndependentFunctionLikeDeclaration(declaration); - } - } - } - return false; - } - function createSymbolTable(symbols) { - var result = {}; - for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { - var symbol = symbols_1[_i]; - result[symbol.name] = symbol; - } - return result; - } - // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true, - // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation. - function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { - var result = {}; - for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { - var symbol = symbols_2[_i]; - result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); - } - return result; - } - function addInheritedMembers(symbols, baseSymbols) { - for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { - var s = baseSymbols_1[_i]; - if (!ts.hasProperty(symbols, s.name)) { - symbols[s.name] = s; - } - } - } - function resolveDeclaredMembers(type) { - if (!type.declaredProperties) { - var symbol = type.symbol; - type.declaredProperties = getNamedMembers(symbol.members); - type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); - type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); - type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); - type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); - } - return type; - } - function getTypeWithThisArgument(type, thisArgument) { - if (type.flags & 4096 /* Reference */) { - return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); - } - return type; - } - function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { - var mapper = identityMapper; - var members = source.symbol.members; - var callSignatures = source.declaredCallSignatures; - var constructSignatures = source.declaredConstructSignatures; - var stringIndexType = source.declaredStringIndexType; - var numberIndexType = source.declaredNumberIndexType; - if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { - mapper = createTypeMapper(typeParameters, typeArguments); - members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1); - callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); - constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); - stringIndexType = instantiateType(source.declaredStringIndexType, mapper); - numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); - } - var baseTypes = getBaseTypes(source); - if (baseTypes.length) { - if (members === source.symbol.members) { - members = createSymbolTable(source.declaredProperties); - } - var thisArgument = ts.lastOrUndefined(typeArguments); - for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { - var baseType = baseTypes_1[_i]; - var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; - addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */)); - stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0 /* String */); - numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1 /* Number */); - } - } - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveClassOrInterfaceMembers(type) { - resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); - } - function resolveTypeReferenceMembers(type) { - var source = resolveDeclaredMembers(type.target); - var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); - var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? - type.typeArguments : ts.concatenate(type.typeArguments, [type]); - resolveObjectTypeMembers(type, source, typeParameters, typeArguments); - } - function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { - var sig = new Signature(checker); - sig.declaration = declaration; - sig.typeParameters = typeParameters; - sig.parameters = parameters; - sig.resolvedReturnType = resolvedReturnType; - sig.typePredicate = typePredicate; - sig.minArgumentCount = minArgumentCount; - sig.hasRestParameter = hasRestParameter; - sig.hasStringLiterals = hasStringLiterals; - return sig; - } - function cloneSignature(sig) { - return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); - } - function getDefaultConstructSignatures(classType) { - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* Construct */); - if (baseSignatures.length === 0) { - return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false)]; - } - var baseTypeNode = getBaseTypeNodeOfClass(classType); - var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); - var typeArgCount = typeArguments ? typeArguments.length : 0; - var result = []; - for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { - var baseSig = baseSignatures_1[_i]; - var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; - if (typeParamCount === typeArgCount) { - var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); - sig.typeParameters = classType.localTypeParameters; - sig.resolvedReturnType = classType; - result.push(sig); - } - } - return result; - } - function createTupleTypeMemberSymbols(memberTypes) { - var members = {}; - for (var i = 0; i < memberTypes.length; i++) { - var symbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "" + i); - symbol.type = memberTypes[i]; - members[i] = symbol; - } - return members; - } - function resolveTupleTypeMembers(type) { - var arrayElementType = getUnionType(type.elementTypes, /*noSubtypeReduction*/ true); - // Make the tuple type itself the 'this' type by including an extra type argument - var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); - var members = createTupleTypeMemberSymbols(type.elementTypes); - addInheritedMembers(members, arrayType.properties); - setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); - } - function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { - for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { - var s = signatureList_1[_i]; - if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { - return s; - } - } - } - function findMatchingSignatures(signatureLists, signature, listIndex) { - if (signature.typeParameters) { - // We require an exact match for generic signatures, so we only return signatures from the first - // signature list and only if they have exact matches in the other signature lists. - if (listIndex > 0) { - return undefined; - } - for (var i = 1; i < signatureLists.length; i++) { - if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ false)) { - return undefined; - } - } - return [signature]; - } - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - // Allow matching non-generic signatures to have excess parameters and different return types - var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreReturnTypes*/ true); - if (!match) { - return undefined; - } - if (!ts.contains(result, match)) { - (result || (result = [])).push(match); - } - } - return result; - } - // The signatures of a union type are those signatures that are present in each of the constituent types. - // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional - // parameters and may differ in return types. When signatures differ in return types, the resulting return - // type is the union of the constituent return types. - function getUnionSignatures(types, kind) { - var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); - var result = undefined; - for (var i = 0; i < signatureLists.length; i++) { - for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { - var signature = _a[_i]; - // Only process signatures with parameter lists that aren't already in the result list - if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true)) { - var unionSignatures = findMatchingSignatures(signatureLists, signature, i); - if (unionSignatures) { - var s = signature; - // Union the result types when more than one signature matches - if (unionSignatures.length > 1) { - s = cloneSignature(signature); - // Clear resolved return type we possibly got from cloneSignature - s.resolvedReturnType = undefined; - s.unionSignatures = unionSignatures; - } - (result || (result = [])).push(s); - } - } - } - } - return result || emptyArray; - } - function getUnionIndexType(types, kind) { - var indexTypes = []; - for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { - var type = types_1[_i]; - var indexType = getIndexTypeOfType(type, kind); - if (!indexType) { - return undefined; - } - indexTypes.push(indexType); - } - return getUnionType(indexTypes); - } - function resolveUnionTypeMembers(type) { - // The members and properties collections are empty for union types. To get all properties of a union - // type use getPropertiesOfType (only the language service uses this). - var callSignatures = getUnionSignatures(type.types, 0 /* Call */); - var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); - var stringIndexType = getUnionIndexType(type.types, 0 /* String */); - var numberIndexType = getUnionIndexType(type.types, 1 /* Number */); - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function intersectTypes(type1, type2) { - return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); - } - function resolveIntersectionTypeMembers(type) { - // The members and properties collections are empty for intersection types. To get all properties of an - // intersection type use getPropertiesOfType (only the language service uses this). - var callSignatures = emptyArray; - var constructSignatures = emptyArray; - var stringIndexType = undefined; - var numberIndexType = undefined; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0 /* Call */)); - constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1 /* Construct */)); - stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0 /* String */)); - numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1 /* Number */)); - } - setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - function resolveAnonymousTypeMembers(type) { - var symbol = type.symbol; - if (type.target) { - var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false); - var callSignatures = instantiateList(getSignaturesOfType(type.target, 0 /* Call */), type.mapper, instantiateSignature); - var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); - var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0 /* String */), type.mapper); - var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1 /* Number */), type.mapper); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else if (symbol.flags & 2048 /* TypeLiteral */) { - var members = symbol.members; - var callSignatures = getSignaturesOfSymbol(members["__call"]); - var constructSignatures = getSignaturesOfSymbol(members["__new"]); - var stringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); - var numberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); - setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); - } - else { - // Combinations of function, class, enum and module - var members = emptySymbols; - var constructSignatures = emptyArray; - if (symbol.flags & 1952 /* HasExports */) { - members = getExportsOfSymbol(symbol); - } - if (symbol.flags & 32 /* Class */) { - var classType = getDeclaredTypeOfClassOrInterface(symbol); - constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); - if (!constructSignatures.length) { - constructSignatures = getDefaultConstructSignatures(classType); - } - var baseConstructorType = getBaseConstructorTypeOfClass(classType); - if (baseConstructorType.flags & 80896 /* ObjectType */) { - members = createSymbolTable(getNamedMembers(members)); - addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); - } - } - var numberIndexType = (symbol.flags & 384 /* Enum */) ? stringType : undefined; - setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); - // We resolve the members before computing the signatures because a signature may use - // typeof with a qualified name expression that circularly references the type we are - // in the process of resolving (see issue #6072). The temporarily empty signature list - // will never be observed because a qualified name can't reference signatures. - if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) { - type.callSignatures = getSignaturesOfSymbol(symbol); - } - } - } - function resolveStructuredTypeMembers(type) { - if (!type.members) { - if (type.flags & 4096 /* Reference */) { - resolveTypeReferenceMembers(type); - } - else if (type.flags & (1024 /* Class */ | 2048 /* Interface */)) { - resolveClassOrInterfaceMembers(type); - } - else if (type.flags & 65536 /* Anonymous */) { - resolveAnonymousTypeMembers(type); - } - else if (type.flags & 8192 /* Tuple */) { - resolveTupleTypeMembers(type); - } - else if (type.flags & 16384 /* Union */) { - resolveUnionTypeMembers(type); - } - else if (type.flags & 32768 /* Intersection */) { - resolveIntersectionTypeMembers(type); - } - } - return type; - } - /** Return properties of an object type or an empty array for other types */ - function getPropertiesOfObjectType(type) { - if (type.flags & 80896 /* ObjectType */) { - return resolveStructuredTypeMembers(type).properties; - } - return emptyArray; - } - /** If the given type is an object type and that type has a property by the given name, - * return the symbol for that property. Otherwise return undefined. */ - function getPropertyOfObjectType(type, name) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - } - } - function getPropertiesOfUnionOrIntersectionType(type) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var current = _a[_i]; - for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { - var prop = _c[_b]; - getPropertyOfUnionOrIntersectionType(type, prop.name); - } - // The properties of a union type are those that are present in all constituent types, so - // we only need to check the properties of the first type - if (type.flags & 16384 /* Union */) { - break; - } - } - return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; - } - function getPropertiesOfType(type) { - type = getApparentType(type); - return type.flags & 49152 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); - } - /** - * The apparent type of a type parameter is the base constraint instantiated with the type parameter - * as the type argument for the 'this' type. - */ - function getApparentTypeOfTypeParameter(type) { - if (!type.resolvedApparentType) { - var constraintType = getConstraintOfTypeParameter(type); - while (constraintType && constraintType.flags & 512 /* TypeParameter */) { - constraintType = getConstraintOfTypeParameter(constraintType); - } - type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); - } - return type.resolvedApparentType; - } - /** - * For a type parameter, return the base constraint of the type parameter. For the string, number, - * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the - * type itself. Note that the apparent type of a union type is the union type itself. - */ - function getApparentType(type) { - if (type.flags & 512 /* TypeParameter */) { - type = getApparentTypeOfTypeParameter(type); - } - if (type.flags & 258 /* StringLike */) { - type = globalStringType; - } - else if (type.flags & 132 /* NumberLike */) { - type = globalNumberType; - } - else if (type.flags & 8 /* Boolean */) { - type = globalBooleanType; - } - else if (type.flags & 16777216 /* ESSymbol */) { - type = globalESSymbolType; - } - return type; - } - function createUnionOrIntersectionProperty(containingType, name) { - var types = containingType.types; - var props; - // Flags we want to propagate to the result if they exist in all source symbols - var commonFlags = (containingType.flags & 32768 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; - for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { - var current = types_2[_i]; - var type = getApparentType(current); - if (type !== unknownType) { - var prop = getPropertyOfType(type, name); - if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 /* Private */ | 32 /* Protected */))) { - commonFlags &= prop.flags; - if (!props) { - props = [prop]; - } - else if (!ts.contains(props, prop)) { - props.push(prop); - } - } - else if (containingType.flags & 16384 /* Union */) { - // A union type requires the property to be present in all constituent types - return undefined; - } - } - } - if (!props) { - return undefined; - } - if (props.length === 1) { - return props[0]; - } - var propTypes = []; - var declarations = []; - for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { - var prop = props_1[_a]; - if (prop.declarations) { - ts.addRange(declarations, prop.declarations); - } - propTypes.push(getTypeOfSymbol(prop)); - } - var result = createSymbol(4 /* Property */ | - 67108864 /* Transient */ | - 268435456 /* SyntheticProperty */ | - commonFlags, name); - result.containingType = containingType; - result.declarations = declarations; - result.type = containingType.flags & 16384 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); - return result; - } - function getPropertyOfUnionOrIntersectionType(type, name) { - var properties = type.resolvedProperties || (type.resolvedProperties = {}); - if (ts.hasProperty(properties, name)) { - return properties[name]; - } - var property = createUnionOrIntersectionProperty(type, name); - if (property) { - properties[name] = property; - } - return property; - } - // Return the symbol for the property with the given name in the given type. Creates synthetic union properties when - // necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from - // Object and Function as appropriate. - function getPropertyOfType(type, name) { - type = getApparentType(type); - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (ts.hasProperty(resolved.members, name)) { - var symbol = resolved.members[name]; - if (symbolIsValue(symbol)) { - return symbol; - } - } - if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { - var symbol = getPropertyOfObjectType(globalFunctionType, name); - if (symbol) { - return symbol; - } - } - return getPropertyOfObjectType(globalObjectType, name); - } - if (type.flags & 49152 /* UnionOrIntersection */) { - return getPropertyOfUnionOrIntersectionType(type, name); - } - return undefined; - } - function getSignaturesOfStructuredType(type, kind) { - if (type.flags & 130048 /* StructuredType */) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; - } - return emptyArray; - } - /** - * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and - * maps primitive types and type parameters are to their apparent types. - */ - function getSignaturesOfType(type, kind) { - return getSignaturesOfStructuredType(getApparentType(type), kind); - } - function getIndexTypeOfStructuredType(type, kind) { - if (type.flags & 130048 /* StructuredType */) { - var resolved = resolveStructuredTypeMembers(type); - return kind === 0 /* String */ ? resolved.stringIndexType : resolved.numberIndexType; - } - } - // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and - // maps primitive types and type parameters are to their apparent types. - function getIndexTypeOfType(type, kind) { - return getIndexTypeOfStructuredType(getApparentType(type), kind); - } - function getTypeParametersFromJSDocTemplate(declaration) { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - var templateTag = ts.getJSDocTemplateTag(declaration); - if (templateTag) { - return getTypeParametersFromDeclaration(templateTag.typeParameters); - } - } - return undefined; - } - // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual - // type checking functions). - function getTypeParametersFromDeclaration(typeParameterDeclarations) { - var result = []; - ts.forEach(typeParameterDeclarations, function (node) { - var tp = getDeclaredTypeOfTypeParameter(node.symbol); - if (!ts.contains(result, tp)) { - result.push(tp); - } - }); - return result; - } - function symbolsToArray(symbols) { - var result = []; - for (var id in symbols) { - if (!isReservedMemberName(id)) { - result.push(symbols[id]); - } - } - return result; - } - function isOptionalParameter(node) { - if (node.parserContextFlags & 32 /* JavaScriptFile */) { - if (node.type && node.type.kind === 263 /* JSDocOptionalType */) { - return true; - } - var paramTag = ts.getCorrespondingJSDocParameterTag(node); - if (paramTag) { - if (paramTag.isBracketed) { - return true; - } - if (paramTag.typeExpression) { - return paramTag.typeExpression.type.kind === 263 /* JSDocOptionalType */; - } - } - } - if (ts.hasQuestionToken(node)) { - return true; - } - if (node.initializer) { - var signatureDeclaration = node.parent; - var signature = getSignatureFromDeclaration(signatureDeclaration); - var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); - ts.Debug.assert(parameterIndex >= 0); - return parameterIndex >= signature.minArgumentCount; - } - return false; - } - function createTypePredicateFromTypePredicateNode(node) { - if (node.parameterName.kind === 69 /* Identifier */) { - var parameterName = node.parameterName; - return { - kind: 1 /* Identifier */, - parameterName: parameterName ? parameterName.text : undefined, - parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, - type: getTypeFromTypeNode(node.type) - }; - } - else { - return { - kind: 0 /* This */, - type: getTypeFromTypeNode(node.type) - }; - } - } - function getSignatureFromDeclaration(declaration) { - var links = getNodeLinks(declaration); - if (!links.resolvedSignature) { - var classType = declaration.kind === 145 /* Constructor */ ? - getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) - : undefined; - var typeParameters = classType ? classType.localTypeParameters : - declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : - getTypeParametersFromJSDocTemplate(declaration); - var parameters = []; - var hasStringLiterals = false; - var minArgumentCount = -1; - var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); - var returnType = undefined; - var typePredicate = undefined; - // If this is a JSDoc construct signature, then skip the first parameter in the - // parameter list. The first parameter represents the return type of the construct - // signature. - for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { - var param = declaration.parameters[i]; - var paramSymbol = param.symbol; - // Include parameter symbol instead of property symbol in the signature - if (paramSymbol && !!(paramSymbol.flags & 4 /* Property */) && !ts.isBindingPattern(param.name)) { - var resolvedSymbol = resolveName(param, paramSymbol.name, 107455 /* Value */, undefined, undefined); - paramSymbol = resolvedSymbol; - } - parameters.push(paramSymbol); - if (param.type && param.type.kind === 163 /* StringLiteralType */) { - hasStringLiterals = true; - } - if (param.initializer || param.questionToken || param.dotDotDotToken) { - if (minArgumentCount < 0) { - minArgumentCount = i; - } - } - else { - // If we see any required parameters, it means the prior ones were not in fact optional. - minArgumentCount = -1; - } - } - if (minArgumentCount < 0) { - minArgumentCount = declaration.parameters.length; - } - if (isJSConstructSignature) { - minArgumentCount--; - returnType = getTypeFromTypeNode(declaration.parameters[0].type); - } - else if (classType) { - returnType = classType; - } - else if (declaration.type) { - returnType = getTypeFromTypeNode(declaration.type); - if (declaration.type.kind === 151 /* TypePredicate */) { - typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); - } - } - else { - if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { - var type = getReturnTypeFromJSDocComment(declaration); - if (type && type !== unknownType) { - returnType = type; - } - } - // TypeScript 1.0 spec (April 2014): - // If only one accessor includes a type annotation, the other behaves as if it had the same type annotation. - if (declaration.kind === 146 /* GetAccessor */ && !ts.hasDynamicName(declaration)) { - var setter = ts.getDeclarationOfKind(declaration.symbol, 147 /* SetAccessor */); - returnType = getAnnotatedAccessorType(setter); - } - if (!returnType && ts.nodeIsMissing(declaration.body)) { - returnType = anyType; - } - } - links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); - } - return links.resolvedSignature; - } - function getSignaturesOfSymbol(symbol) { - if (!symbol) - return emptyArray; - var result = []; - for (var i = 0, len = symbol.declarations.length; i < len; i++) { - var node = symbol.declarations[i]; - switch (node.kind) { - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 264 /* JSDocFunctionType */: - // Don't include signature if node is the implementation of an overloaded function. A node is considered - // an implementation node if it has a body and the previous node is of the same kind and immediately - // precedes the implementation node (i.e. has the same parent and ends where the implementation starts). - if (i > 0 && node.body) { - var previous = symbol.declarations[i - 1]; - if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { - break; - } - } - result.push(getSignatureFromDeclaration(node)); - } - } - return result; - } - function resolveExternalModuleTypeByLiteral(name) { - var moduleSym = resolveExternalModuleName(name, name); - if (moduleSym) { - var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); - if (resolvedModuleSymbol) { - return getTypeOfSymbol(resolvedModuleSymbol); - } - } - return anyType; - } - function getReturnTypeOfSignature(signature) { - if (!signature.resolvedReturnType) { - if (!pushTypeResolution(signature, 3 /* ResolvedReturnType */)) { - return unknownType; - } - var type = void 0; - if (signature.target) { - type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); - } - else if (signature.unionSignatures) { - type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); - } - else { - type = getReturnTypeFromBody(signature.declaration); - } - if (!popTypeResolution()) { - type = anyType; - if (compilerOptions.noImplicitAny) { - var declaration = signature.declaration; - if (declaration.name) { - error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); - } - else { - error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); - } - } - } - signature.resolvedReturnType = type; - } - return signature.resolvedReturnType; - } - function getRestTypeOfSignature(signature) { - if (signature.hasRestParameter) { - var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); - if (type.flags & 4096 /* Reference */ && type.target === globalArrayType) { - return type.typeArguments[0]; - } - } - return anyType; - } - function getSignatureInstantiation(signature, typeArguments) { - return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), /*eraseTypeParameters*/ true); - } - function getErasedSignature(signature) { - if (!signature.typeParameters) - return signature; - if (!signature.erasedSignatureCache) { - if (signature.target) { - signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); - } - else { - signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true); - } - } - return signature.erasedSignatureCache; - } - function getOrCreateTypeFromSignature(signature) { - // There are two ways to declare a construct signature, one is by declaring a class constructor - // using the constructor keyword, and the other is declaring a bare construct signature in an - // object type literal or interface (using the new keyword). Each way of declaring a constructor - // will result in a different declaration kind. - if (!signature.isolatedSignatureType) { - var isConstructor = signature.declaration.kind === 145 /* Constructor */ || signature.declaration.kind === 149 /* ConstructSignature */; - var type = createObjectType(65536 /* Anonymous */ | 262144 /* FromSignature */); - type.members = emptySymbols; - type.properties = emptyArray; - type.callSignatures = !isConstructor ? [signature] : emptyArray; - type.constructSignatures = isConstructor ? [signature] : emptyArray; - signature.isolatedSignatureType = type; - } - return signature.isolatedSignatureType; - } - function getIndexSymbol(symbol) { - return symbol.members["__index"]; - } - function getIndexDeclarationOfSymbol(symbol, kind) { - var syntaxKind = kind === 1 /* Number */ ? 128 /* NumberKeyword */ : 130 /* StringKeyword */; - var indexSymbol = getIndexSymbol(symbol); - if (indexSymbol) { - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var node = decl; - if (node.parameters.length === 1) { - var parameter = node.parameters[0]; - if (parameter && parameter.type && parameter.type.kind === syntaxKind) { - return node; - } - } - } - } - return undefined; - } - function getIndexTypeOfSymbol(symbol, kind) { - var declaration = getIndexDeclarationOfSymbol(symbol, kind); - return declaration - ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType - : undefined; - } - function getConstraintDeclaration(type) { - return ts.getDeclarationOfKind(type.symbol, 138 /* TypeParameter */).constraint; - } - function hasConstraintReferenceTo(type, target) { - var checked; - while (type && !(type.flags & 33554432 /* ThisType */) && type.flags & 512 /* TypeParameter */ && !ts.contains(checked, type)) { - if (type === target) { - return true; - } - (checked || (checked = [])).push(type); - var constraintDeclaration = getConstraintDeclaration(type); - type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); - } - return false; - } - function getConstraintOfTypeParameter(typeParameter) { - if (!typeParameter.constraint) { - if (typeParameter.target) { - var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); - typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; - } - else { - var constraintDeclaration = getConstraintDeclaration(typeParameter); - var constraint = getTypeFromTypeNode(constraintDeclaration); - if (hasConstraintReferenceTo(constraint, typeParameter)) { - error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); - constraint = unknownType; - } - typeParameter.constraint = constraint; - } - } - return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; - } - function getParentSymbolOfTypeParameter(typeParameter) { - return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138 /* TypeParameter */).parent); - } - function getTypeListId(types) { - if (types) { - switch (types.length) { - case 1: - return "" + types[0].id; - case 2: - return types[0].id + "," + types[1].id; - default: - var result = ""; - for (var i = 0; i < types.length; i++) { - if (i > 0) { - result += ","; - } - result += types[i].id; - } - return result; - } - } - return ""; - } - // This function is used to propagate certain flags when creating new object type references and union types. - // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type - // of an object literal or the anyFunctionType. This is because there are operations in the type checker - // that care about the presence of such types at arbitrary depth in a containing type. - function getPropagatingFlagsOfTypes(types) { - var result = 0; - for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { - var type = types_3[_i]; - result |= type.flags; - } - return result & 14680064 /* PropagatingFlags */; - } - function createTypeReference(target, typeArguments) { - var id = getTypeListId(typeArguments); - var type = target.instantiations[id]; - if (!type) { - var flags = 4096 /* Reference */ | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); - type = target.instantiations[id] = createObjectType(flags, target.symbol); - type.target = target; - type.typeArguments = typeArguments; - } - return type; - } - // Get type from reference to class or interface - function getTypeFromClassOrInterfaceReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeParameters = type.localTypeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */), typeParameters.length); - return unknownType; - } - // In a type reference, the outer type parameters of the referenced class or interface are automatically - // supplied as type arguments and the type reference only specifies arguments for the local type parameters - // of the class or interface. - return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); - return unknownType; - } - return type; - } - // Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include - // references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the - // declared type. Instantiations are cached using the type identities of the type arguments as the key. - function getTypeFromTypeAliasReference(node, symbol) { - var type = getDeclaredTypeOfSymbol(symbol); - var links = getSymbolLinks(symbol); - var typeParameters = links.typeParameters; - if (typeParameters) { - if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { - error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); - return unknownType; - } - var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); - var id = getTypeListId(typeArguments); - return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); - } - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return type; - } - // Get type from reference to named type that cannot be generic (enum or type parameter) - function getTypeFromNonGenericTypeReference(node, symbol) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); - return unknownType; - } - return getDeclaredTypeOfSymbol(symbol); - } - function getTypeReferenceName(node) { - switch (node.kind) { - case 152 /* TypeReference */: - return node.typeName; - case 262 /* JSDocTypeReference */: - return node.name; - case 191 /* ExpressionWithTypeArguments */: - // We only support expressions that are simple qualified names. For other - // expressions this produces undefined. - if (ts.isSupportedExpressionWithTypeArguments(node)) { - return node.expression; - } - } - return undefined; - } - function resolveTypeReferenceName(node, typeReferenceName) { - if (!typeReferenceName) { - return unknownSymbol; - } - return resolveEntityName(typeReferenceName, 793056 /* Type */) || unknownSymbol; - } - function getTypeReferenceType(node, symbol) { - if (symbol === unknownSymbol) { - return unknownType; - } - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - return getTypeFromClassOrInterfaceReference(node, symbol); - } - if (symbol.flags & 524288 /* TypeAlias */) { - return getTypeFromTypeAliasReference(node, symbol); - } - if (symbol.flags & 107455 /* Value */ && node.kind === 262 /* JSDocTypeReference */) { - // A JSDocTypeReference may have resolved to a value (as opposed to a type). In - // that case, the type of this reference is just the type of the value we resolved - // to. - return getTypeOfSymbol(symbol); - } - return getTypeFromNonGenericTypeReference(node, symbol); - } - function getTypeFromTypeReference(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var symbol = void 0; - var type = void 0; - if (node.kind === 262 /* JSDocTypeReference */) { - var typeReferenceName = getTypeReferenceName(node); - symbol = resolveTypeReferenceName(node, typeReferenceName); - type = getTypeReferenceType(node, symbol); - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - else { - // We only support expressions that are simple qualified names. For other expressions this produces undefined. - var typeNameOrExpression = node.kind === 152 /* TypeReference */ ? node.typeName : - ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : - undefined; - symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056 /* Type */) || unknownSymbol; - type = symbol === unknownSymbol ? unknownType : - symbol.flags & (32 /* Class */ | 64 /* Interface */) ? getTypeFromClassOrInterfaceReference(node, symbol) : - symbol.flags & 524288 /* TypeAlias */ ? getTypeFromTypeAliasReference(node, symbol) : - getTypeFromNonGenericTypeReference(node, symbol); - } - // Cache both the resolved symbol and the resolved type. The resolved symbol is needed in when we check the - // type reference in checkTypeReferenceOrExpressionWithTypeArguments. - links.resolvedSymbol = symbol; - links.resolvedType = type; - } - return links.resolvedType; - } - function getTypeFromTypeQueryNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - // TypeScript 1.0 spec (April 2014): 3.6.3 - // The expression is processed as an identifier expression (section 4.3) - // or property access expression(section 4.10), - // the widened type(section 3.9) of which becomes the result. - links.resolvedType = getWidenedType(checkExpression(node.exprName)); - } - return links.resolvedType; - } - function getTypeOfGlobalSymbol(symbol, arity) { - function getTypeDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { - var declaration = declarations_3[_i]; - switch (declaration.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - return declaration; - } - } - } - if (!symbol) { - return arity ? emptyGenericType : emptyObjectType; - } - var type = getDeclaredTypeOfSymbol(symbol); - if (!(type.flags & 80896 /* ObjectType */)) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); - return arity ? emptyGenericType : emptyObjectType; - } - if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { - error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); - return arity ? emptyGenericType : emptyObjectType; - } - return type; - } - function getGlobalValueSymbol(name) { - return getGlobalSymbol(name, 107455 /* Value */, ts.Diagnostics.Cannot_find_global_value_0); - } - function getGlobalTypeSymbol(name) { - return getGlobalSymbol(name, 793056 /* Type */, ts.Diagnostics.Cannot_find_global_type_0); - } - function getGlobalSymbol(name, meaning, diagnostic) { - return resolveName(undefined, name, meaning, diagnostic, name); - } - function getGlobalType(name, arity) { - if (arity === void 0) { arity = 0; } - return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); - } - /** - * Returns a type that is inside a namespace at the global scope, e.g. - * getExportedTypeFromNamespace('JSX', 'Element') returns the JSX.Element type - */ - function getExportedTypeFromNamespace(namespace, name) { - var namespaceSymbol = getGlobalSymbol(namespace, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); - var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056 /* Type */); - return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); - } - function getGlobalESSymbolConstructorSymbol() { - return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); - } - /** - * Creates a TypeReference for a generic `TypedPropertyDescriptor`. - */ - function createTypedPropertyDescriptorType(propertyType) { - var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); - return globalTypedPropertyDescriptorType !== emptyGenericType - ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) - : emptyObjectType; - } - /** - * Instantiates a global type that is generic with some element type, and returns that instantiation. - */ - function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { - return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; - } - function createIterableType(elementType) { - return createTypeFromGenericGlobalType(globalIterableType, [elementType]); - } - function createIterableIteratorType(elementType) { - return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); - } - function createArrayType(elementType) { - return createTypeFromGenericGlobalType(globalArrayType, [elementType]); - } - function getTypeFromArrayTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); - } - return links.resolvedType; - } - function createTupleType(elementTypes) { - var id = getTypeListId(elementTypes); - return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); - } - function createNewTupleType(elementTypes) { - var type = createObjectType(8192 /* Tuple */ | getPropagatingFlagsOfTypes(elementTypes)); - type.elementTypes = elementTypes; - return type; - } - function getTypeFromTupleTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function addTypeToSet(typeSet, type, typeSetKind) { - if (type.flags & typeSetKind) { - addTypesToSet(typeSet, type.types, typeSetKind); - } - else if (!ts.contains(typeSet, type)) { - typeSet.push(type); - } - } - // Add the given types to the given type set. Order is preserved, duplicates are removed, - // and nested types of the given kind are flattened into the set. - function addTypesToSet(typeSet, types, typeSetKind) { - for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { - var type = types_4[_i]; - addTypeToSet(typeSet, type, typeSetKind); - } - } - function isSubtypeOfAny(candidate, types) { - for (var i = 0, len = types.length; i < len; i++) { - if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { - return true; - } - } - return false; - } - function removeSubtypes(types) { - var i = types.length; - while (i > 0) { - i--; - if (isSubtypeOfAny(types[i], types)) { - types.splice(i, 1); - } - } - } - function containsTypeAny(types) { - for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { - var type = types_5[_i]; - if (isTypeAny(type)) { - return true; - } - } - return false; - } - function removeAllButLast(types, typeToRemove) { - var i = types.length; - while (i > 0 && types.length > 1) { - i--; - if (types[i] === typeToRemove) { - types.splice(i, 1); - } - } - } - // We reduce the constituent type set to only include types that aren't subtypes of other types, unless - // the noSubtypeReduction flag is specified, in which case we perform a simple deduplication based on - // object identity. Subtype reduction is possible only when union types are known not to circularly - // reference themselves (as is the case with union types created by expression constructs such as array - // literals and the || and ?: operators). Named types can circularly reference themselves and therefore - // cannot be deduplicated during their declaration. For example, "type Item = string | (() => Item" is - // a named type that circularly references itself. - function getUnionType(types, noSubtypeReduction) { - if (types.length === 0) { - return emptyUnionType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 16384 /* Union */); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (noSubtypeReduction) { - removeAllButLast(typeSet, undefinedType); - removeAllButLast(typeSet, nullType); - } - else { - removeSubtypes(typeSet); - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = unionTypes[id]; - if (!type) { - type = unionTypes[id] = createObjectType(16384 /* Union */ | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromUnionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), /*noSubtypeReduction*/ true); - } - return links.resolvedType; - } - // We do not perform structural deduplication on intersection types. Intersection types are created only by the & - // type operator and we can't reduce those because we want to support recursive intersection types. For example, - // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. - // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution - // for intersections of types with signatures can be deterministic. - function getIntersectionType(types) { - if (types.length === 0) { - return emptyObjectType; - } - var typeSet = []; - addTypesToSet(typeSet, types, 32768 /* Intersection */); - if (containsTypeAny(typeSet)) { - return anyType; - } - if (typeSet.length === 1) { - return typeSet[0]; - } - var id = getTypeListId(typeSet); - var type = intersectionTypes[id]; - if (!type) { - type = intersectionTypes[id] = createObjectType(32768 /* Intersection */ | getPropagatingFlagsOfTypes(typeSet)); - type.types = typeSet; - } - return type; - } - function getTypeFromIntersectionTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); - } - return links.resolvedType; - } - function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - // Deferred resolution of members is handled by resolveObjectTypeMembers - links.resolvedType = createObjectType(65536 /* Anonymous */, node.symbol); - } - return links.resolvedType; - } - function getStringLiteralTypeForText(text) { - if (ts.hasProperty(stringLiteralTypes, text)) { - return stringLiteralTypes[text]; - } - var type = stringLiteralTypes[text] = createType(256 /* StringLiteral */); - type.text = text; - return type; - } - function getTypeFromStringLiteralTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getStringLiteralTypeForText(node.text); - } - return links.resolvedType; - } - function getTypeFromJSDocVariadicType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var type = getTypeFromTypeNode(node.type); - links.resolvedType = type ? createArrayType(type) : unknownType; - } - return links.resolvedType; - } - function getTypeFromJSDocTupleType(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - var types = ts.map(node.types, getTypeFromTypeNode); - links.resolvedType = createTupleType(types); - } - return links.resolvedType; - } - function getThisType(node) { - var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); - var parent = container && container.parent; - if (parent && (ts.isClassLike(parent) || parent.kind === 218 /* InterfaceDeclaration */)) { - if (!(container.flags & 64 /* Static */) && - (container.kind !== 145 /* Constructor */ || ts.isNodeDescendentOf(node, container.body))) { - return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; - } - } - error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); - return unknownType; - } - function getTypeFromThisTypeNode(node) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = getThisType(node); - } - return links.resolvedType; - } - function getTypeFromTypeNode(node) { - switch (node.kind) { - case 117 /* AnyKeyword */: - case 253 /* JSDocAllType */: - case 254 /* JSDocUnknownType */: - return anyType; - case 130 /* StringKeyword */: - return stringType; - case 128 /* NumberKeyword */: - return numberType; - case 120 /* BooleanKeyword */: - return booleanType; - case 131 /* SymbolKeyword */: - return esSymbolType; - case 103 /* VoidKeyword */: - return voidType; - case 162 /* ThisType */: - return getTypeFromThisTypeNode(node); - case 163 /* StringLiteralType */: - return getTypeFromStringLiteralTypeNode(node); - case 152 /* TypeReference */: - case 262 /* JSDocTypeReference */: - return getTypeFromTypeReference(node); - case 151 /* TypePredicate */: - return booleanType; - case 191 /* ExpressionWithTypeArguments */: - return getTypeFromTypeReference(node); - case 155 /* TypeQuery */: - return getTypeFromTypeQueryNode(node); - case 157 /* ArrayType */: - case 255 /* JSDocArrayType */: - return getTypeFromArrayTypeNode(node); - case 158 /* TupleType */: - return getTypeFromTupleTypeNode(node); - case 159 /* UnionType */: - case 256 /* JSDocUnionType */: - return getTypeFromUnionTypeNode(node); - case 160 /* IntersectionType */: - return getTypeFromIntersectionTypeNode(node); - case 161 /* ParenthesizedType */: - case 258 /* JSDocNullableType */: - case 259 /* JSDocNonNullableType */: - case 266 /* JSDocConstructorType */: - case 267 /* JSDocThisType */: - case 263 /* JSDocOptionalType */: - return getTypeFromTypeNode(node.type); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 156 /* TypeLiteral */: - case 264 /* JSDocFunctionType */: - case 260 /* JSDocRecordType */: - return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - // This function assumes that an identifier or qualified name is a type expression - // Callers should first ensure this by calling isTypeNode - case 69 /* Identifier */: - case 136 /* QualifiedName */: - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - case 257 /* JSDocTupleType */: - return getTypeFromJSDocTupleType(node); - case 265 /* JSDocVariadicType */: - return getTypeFromJSDocVariadicType(node); - default: - return unknownType; - } - } - function instantiateList(items, mapper, instantiator) { - if (items && items.length) { - var result = []; - for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { - var v = items_1[_i]; - result.push(instantiator(v, mapper)); - } - return result; - } - return items; - } - function createUnaryTypeMapper(source, target) { - return function (t) { return t === source ? target : t; }; - } - function createBinaryTypeMapper(source1, target1, source2, target2) { - return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; - } - function createTypeMapper(sources, targets) { - switch (sources.length) { - case 1: return createUnaryTypeMapper(sources[0], targets[0]); - case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); - } - return function (t) { - for (var i = 0; i < sources.length; i++) { - if (t === sources[i]) { - return targets[i]; - } - } - return t; - }; - } - function createUnaryTypeEraser(source) { - return function (t) { return t === source ? anyType : t; }; - } - function createBinaryTypeEraser(source1, source2) { - return function (t) { return t === source1 || t === source2 ? anyType : t; }; - } - function createTypeEraser(sources) { - switch (sources.length) { - case 1: return createUnaryTypeEraser(sources[0]); - case 2: return createBinaryTypeEraser(sources[0], sources[1]); - } - return function (t) { - for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { - var source = sources_1[_i]; - if (t === source) { - return anyType; - } - } - return t; - }; - } - function getInferenceMapper(context) { - if (!context.mapper) { - var mapper = function (t) { - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (t === typeParameters[i]) { - context.inferences[i].isFixed = true; - return getInferredType(context, i); - } - } - return t; - }; - mapper.context = context; - context.mapper = mapper; - } - return context.mapper; - } - function identityMapper(type) { - return type; - } - function combineTypeMappers(mapper1, mapper2) { - return function (t) { return instantiateType(mapper1(t), mapper2); }; - } - function cloneTypeParameter(typeParameter) { - var result = createType(512 /* TypeParameter */); - result.symbol = typeParameter.symbol; - result.target = typeParameter; - return result; - } - function cloneTypePredicate(predicate, mapper) { - if (ts.isIdentifierTypePredicate(predicate)) { - return { - kind: 1 /* Identifier */, - parameterName: predicate.parameterName, - parameterIndex: predicate.parameterIndex, - type: instantiateType(predicate.type, mapper) - }; - } - else { - return { - kind: 0 /* This */, - type: instantiateType(predicate.type, mapper) - }; - } - } - function instantiateSignature(signature, mapper, eraseTypeParameters) { - var freshTypeParameters; - var freshTypePredicate; - if (signature.typeParameters && !eraseTypeParameters) { - // First create a fresh set of type parameters, then include a mapping from the old to the - // new type parameters in the mapper function. Finally store this mapper in the new type - // parameters such that we can use it when instantiating constraints. - freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); - mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); - for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { - var tp = freshTypeParameters_1[_i]; - tp.mapper = mapper; - } - } - if (signature.typePredicate) { - freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); - } - var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); - result.target = signature; - result.mapper = mapper; - return result; - } - function instantiateSymbol(symbol, mapper) { - if (symbol.flags & 16777216 /* Instantiated */) { - var links = getSymbolLinks(symbol); - // If symbol being instantiated is itself a instantiation, fetch the original target and combine the - // type mappers. This ensures that original type identities are properly preserved and that aliases - // always reference a non-aliases. - symbol = links.target; - mapper = combineTypeMappers(links.mapper, mapper); - } - // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and - // also transient so that we can just store data on it directly. - var result = createSymbol(16777216 /* Instantiated */ | 67108864 /* Transient */ | symbol.flags, symbol.name); - result.declarations = symbol.declarations; - result.parent = symbol.parent; - result.target = symbol; - result.mapper = mapper; - if (symbol.valueDeclaration) { - result.valueDeclaration = symbol.valueDeclaration; - } - return result; - } - function instantiateAnonymousType(type, mapper) { - if (mapper.instantiations) { - var cachedType = mapper.instantiations[type.id]; - if (cachedType) { - return cachedType; - } - } - else { - mapper.instantiations = []; - } - // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it - var result = createObjectType(65536 /* Anonymous */ | 131072 /* Instantiated */, type.symbol); - result.target = type; - result.mapper = mapper; - mapper.instantiations[type.id] = result; - return result; - } - function instantiateType(type, mapper) { - if (type && mapper !== identityMapper) { - if (type.flags & 512 /* TypeParameter */) { - return mapper(type); - } - if (type.flags & 65536 /* Anonymous */) { - return type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) ? - instantiateAnonymousType(type, mapper) : type; - } - if (type.flags & 4096 /* Reference */) { - return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); - } - if (type.flags & 8192 /* Tuple */) { - return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); - } - if (type.flags & 16384 /* Union */) { - return getUnionType(instantiateList(type.types, mapper, instantiateType), /*noSubtypeReduction*/ true); - } - if (type.flags & 32768 /* Intersection */) { - return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); - } - } - return type; - } - // Returns true if the given expression contains (at any level of nesting) a function or arrow expression - // that is subject to contextual typing. - function isContextSensitive(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - switch (node.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return isContextSensitiveFunctionLikeDeclaration(node); - case 168 /* ObjectLiteralExpression */: - return ts.forEach(node.properties, isContextSensitive); - case 167 /* ArrayLiteralExpression */: - return ts.forEach(node.elements, isContextSensitive); - case 185 /* ConditionalExpression */: - return isContextSensitive(node.whenTrue) || - isContextSensitive(node.whenFalse); - case 184 /* BinaryExpression */: - return node.operatorToken.kind === 52 /* BarBarToken */ && - (isContextSensitive(node.left) || isContextSensitive(node.right)); - case 248 /* PropertyAssignment */: - return isContextSensitive(node.initializer); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return isContextSensitiveFunctionLikeDeclaration(node); - case 175 /* ParenthesizedExpression */: - return isContextSensitive(node.expression); - } - return false; - } - function isContextSensitiveFunctionLikeDeclaration(node) { - return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); - } - function getTypeWithoutSignatures(type) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.constructSignatures.length) { - var result = createObjectType(65536 /* Anonymous */, type.symbol); - result.members = resolved.members; - result.properties = resolved.properties; - result.callSignatures = emptyArray; - result.constructSignatures = emptyArray; - type = result; - } - } - return type; - } - // TYPE CHECKING - function isTypeIdenticalTo(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined); - } - function compareTypesIdentical(source, target) { - return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; - } - function compareTypesAssignable(source, target) { - return checkTypeRelatedTo(source, target, assignableRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; - } - function isTypeSubtypeOf(source, target) { - return checkTypeSubtypeOf(source, target, /*errorNode*/ undefined); - } - function isTypeAssignableTo(source, target) { - return checkTypeAssignableTo(source, target, /*errorNode*/ undefined); - } - function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); - } - function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { - return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); - } - function isSignatureAssignableTo(source, target, ignoreReturnTypes) { - return compareSignaturesRelated(source, target, ignoreReturnTypes, /*reportErrors*/ false, /*errorReporter*/ undefined, compareTypesAssignable) !== 0 /* False */; - } - /** - * See signatureRelatedTo, compareSignaturesIdentical - */ - function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { - // TODO (drosen): De-duplicate code between related functions. - if (source === target) { - return -1 /* True */; - } - if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { - return 0 /* False */; - } - // Spec 1.0 Section 3.8.3 & 3.8.4: - // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1 /* True */; - var sourceMax = getNumNonRestParameters(source); - var targetMax = getNumNonRestParameters(target); - var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); - var sourceParams = source.parameters; - var targetParams = target.parameters; - for (var i = 0; i < checkCount; i++) { - var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); - var related = compareTypes(t, s, /*reportErrors*/ false) || compareTypes(s, t, reportErrors); - if (!related) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); - } - return 0 /* False */; - } - result &= related; - } - if (!ignoreReturnTypes) { - var targetReturnType = getReturnTypeOfSignature(target); - if (targetReturnType === voidType) { - return result; - } - var sourceReturnType = getReturnTypeOfSignature(source); - // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions - if (target.typePredicate) { - if (source.typePredicate) { - result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); - } - else if (ts.isIdentifierTypePredicate(target.typePredicate)) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); - } - return 0 /* False */; - } - } - else { - result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); - } - } - return result; - } - function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { - if (source.kind !== target.kind) { - if (reportErrors) { - errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0 /* False */; - } - if (source.kind === 1 /* Identifier */) { - var sourceIdentifierPredicate = source; - var targetIdentifierPredicate = target; - if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { - if (reportErrors) { - errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return 0 /* False */; - } - } - var related = compareTypes(source.type, target.type, reportErrors); - if (related === 0 /* False */ && reportErrors) { - errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); - } - return related; - } - function isImplementationCompatibleWithOverload(implementation, overload) { - var erasedSource = getErasedSignature(implementation); - var erasedTarget = getErasedSignature(overload); - // First see if the return types are compatible in either direction. - var sourceReturnType = getReturnTypeOfSignature(erasedSource); - var targetReturnType = getReturnTypeOfSignature(erasedTarget); - if (targetReturnType === voidType - || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, /*errorNode*/ undefined) - || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, /*errorNode*/ undefined)) { - return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true); - } - return false; - } - function getNumNonRestParameters(signature) { - var numParams = signature.parameters.length; - return signature.hasRestParameter ? - numParams - 1 : - numParams; - } - function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { - if (source.hasRestParameter === target.hasRestParameter) { - if (source.hasRestParameter) { - // If both have rest parameters, get the max and add 1 to - // compensate for the rest parameter. - return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; - } - else { - return Math.min(sourceNonRestParamCount, targetNonRestParamCount); - } - } - else { - // Return the count for whichever signature doesn't have rest parameters. - return source.hasRestParameter ? - targetNonRestParamCount : - sourceNonRestParamCount; - } - } - /** - * Checks if 'source' is related to 'target' (e.g.: is a assignable to). - * @param source The left-hand-side of the relation. - * @param target The right-hand-side of the relation. - * @param relation The relation considered. One of 'identityRelation', 'assignableRelation', or 'subTypeRelation'. - * Used as both to determine which checks are performed and as a cache of previously computed results. - * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used. - * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used. - * @param containingMessageChain A chain of errors to prepend any new errors found. - */ - function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { - var errorInfo; - var sourceStack; - var targetStack; - var maybeStack; - var expandingFlags; - var depth = 0; - var overflow = false; - ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); - var result = isRelatedTo(source, target, /*reportErrors*/ !!errorNode, headMessage); - if (overflow) { - error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); - } - else if (errorInfo) { - if (containingMessageChain) { - errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); - } - return result !== 0 /* False */; - function reportError(message, arg0, arg1, arg2) { - ts.Debug.assert(!!errorNode); - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - } - function reportRelationError(message, source, target) { - var sourceType = typeToString(source); - var targetType = typeToString(target); - if (sourceType === targetType) { - sourceType = typeToString(source, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); - targetType = typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); - } - reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); - } - // Compare two types and return - // Ternary.True if they are related with no assumptions, - // Ternary.Maybe if they are related with assumptions of other relationships, or - // Ternary.False if they are not related. - function isRelatedTo(source, target, reportErrors, headMessage) { - var result; - // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases - if (source === target) - return -1 /* True */; - if (relation === identityRelation) { - return isIdenticalTo(source, target); - } - if (isTypeAny(target)) - return -1 /* True */; - if (source === undefinedType) - return -1 /* True */; - if (source === nullType && target !== undefinedType) - return -1 /* True */; - if (source.flags & 128 /* Enum */ && target === numberType) - return -1 /* True */; - if (source.flags & 128 /* Enum */ && target.flags & 128 /* Enum */) { - if (result = enumRelatedTo(source, target)) { - return result; - } - } - if (source.flags & 256 /* StringLiteral */ && target === stringType) - return -1 /* True */; - if (relation === assignableRelation) { - if (isTypeAny(source)) - return -1 /* True */; - if (source === numberType && target.flags & 128 /* Enum */) - return -1 /* True */; - } - if (source.flags & 8 /* Boolean */ && target.flags & 8 /* Boolean */) { - return -1 /* True */; - } - if (source.flags & 1048576 /* FreshObjectLiteral */) { - if (hasExcessProperties(source, target, reportErrors)) { - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0 /* False */; - } - // Above we check for excess properties with respect to the entire target type. When union - // and intersection types are further deconstructed on the target side, we don't want to - // make the check again (as it might fail for a partial target type). Therefore we obtain - // the regular source type and proceed with that. - if (target.flags & 49152 /* UnionOrIntersection */) { - source = getRegularTypeOfObjectLiteral(source); - } - } - var saveErrorInfo = errorInfo; - // Note that the "each" checks must precede the "some" checks to produce the correct results - if (source.flags & 16384 /* Union */) { - if (result = eachTypeRelatedToType(source, target, reportErrors)) { - return result; - } - } - else if (target.flags & 32768 /* Intersection */) { - if (result = typeRelatedToEachType(source, target, reportErrors)) { - return result; - } - } - else { - // It is necessary to try "some" checks on both sides because there may be nested "each" checks - // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or - // A & B = (A & B) | (C & D). - if (source.flags & 32768 /* Intersection */) { - // If target is a union type the following check will report errors so we suppress them here - if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384 /* Union */))) { - return result; - } - } - if (target.flags & 16384 /* Union */) { - if (result = typeRelatedToSomeType(source, target, reportErrors)) { - return result; - } - } - } - if (source.flags & 512 /* TypeParameter */) { - var constraint = getConstraintOfTypeParameter(source); - if (!constraint || constraint.flags & 1 /* Any */) { - constraint = emptyObjectType; - } - // Report constraint errors only if the constraint is not the empty object type - var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; - if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - else { - if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // We have type references to same target type, see if relationship holds for all type arguments - if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { - return result; - } - } - // Even if relationship doesn't hold for unions, intersections, or generic type references, - // it may hold in a structural comparison. - var apparentSource = getApparentType(source); - // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates - // to X. Failing both of those we want to check if the aggregation of A and B's members structurally - // relates to X. Thus, we include intersection types on the source side here. - if (apparentSource.flags & (80896 /* ObjectType */ | 32768 /* Intersection */) && target.flags & 80896 /* ObjectType */) { - // Report structural errors only if we haven't reported any errors yet - var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726 /* Primitive */); - if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { - errorInfo = saveErrorInfo; - return result; - } - } - } - if (reportErrors) { - reportRelationError(headMessage, source, target); - } - return 0 /* False */; - } - function isIdenticalTo(source, target) { - var result; - if (source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */) { - if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // We have type references to same target type, see if all type arguments are identical - if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { - return result; - } - } - return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); - } - if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || - source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { - if (result = eachTypeRelatedToSomeType(source, target)) { - if (result &= eachTypeRelatedToSomeType(target, source)) { - return result; - } - } - } - return 0 /* False */; - } - // Check if a property with the given name is known anywhere in the given type. In an object type, a property - // is considered known if the object type is empty and the check is for assignability, if the object type has - // index signatures, or if the property is actually declared in the object type. In a union or intersection - // type, a property is considered known if it is known in any constituent type. - function isKnownProperty(type, name) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || - resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { - return true; - } - } - else if (type.flags & 49152 /* UnionOrIntersection */) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (isKnownProperty(t, name)) { - return true; - } - } - } - return false; - } - function hasExcessProperties(source, target, reportErrors) { - if (!(target.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */) && someConstituentTypeHasKind(target, 80896 /* ObjectType */)) { - for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { - var prop = _a[_i]; - if (!isKnownProperty(target, prop.name)) { - if (reportErrors) { - // We know *exactly* where things went wrong when comparing the types. - // Use this property as the error node as this will be more helpful in - // reasoning about what went wrong. - ts.Debug.assert(!!errorNode); - errorNode = prop.valueDeclaration; - reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); - } - return true; - } - } - } - return false; - } - function eachTypeRelatedToSomeType(source, target) { - var result = -1 /* True */; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { - var sourceType = sourceTypes_1[_i]; - var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function typeRelatedToSomeType(source, target, reportErrors) { - var targetTypes = target.types; - for (var i = 0, len = targetTypes.length; i < len; i++) { - var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0 /* False */; - } - function typeRelatedToEachType(source, target, reportErrors) { - var result = -1 /* True */; - var targetTypes = target.types; - for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { - var targetType = targetTypes_1[_i]; - var related = isRelatedTo(source, targetType, reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function someTypeRelatedToType(source, target, reportErrors) { - var sourceTypes = source.types; - for (var i = 0, len = sourceTypes.length; i < len; i++) { - var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); - if (related) { - return related; - } - } - return 0 /* False */; - } - function eachTypeRelatedToType(source, target, reportErrors) { - var result = -1 /* True */; - var sourceTypes = source.types; - for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { - var sourceType = sourceTypes_2[_i]; - var related = isRelatedTo(sourceType, target, reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function typeArgumentsRelatedTo(source, target, reportErrors) { - var sources = source.typeArguments || emptyArray; - var targets = target.typeArguments || emptyArray; - if (sources.length !== targets.length && relation === identityRelation) { - return 0 /* False */; - } - var length = sources.length <= targets.length ? sources.length : targets.length; - var result = -1 /* True */; - for (var i = 0; i < length; i++) { - var related = isRelatedTo(sources[i], targets[i], reportErrors); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - // Determine if two object types are related by structure. First, check if the result is already available in the global cache. - // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true. - // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are - // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion - // and issue an error. Otherwise, actually compare the structure of the two types. - function objectTypeRelatedTo(source, originalSource, target, reportErrors) { - if (overflow) { - return 0 /* False */; - } - var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; - var related = relation[id]; - if (related !== undefined) { - if (reportErrors && related === 2 /* Failed */) { - // We are elaborating errors and the cached result is an unreported failure. Record the result as a reported - // failure and continue computing the relation such that errors get reported. - relation[id] = 3 /* FailedAndReported */; - } - else { - return related === 1 /* Succeeded */ ? -1 /* True */ : 0 /* False */; - } - } - if (depth > 0) { - for (var i = 0; i < depth; i++) { - // If source and target are already being compared, consider them related with assumptions - if (maybeStack[i][id]) { - return 1 /* Maybe */; - } - } - if (depth === 100) { - overflow = true; - return 0 /* False */; - } - } - else { - sourceStack = []; - targetStack = []; - maybeStack = []; - expandingFlags = 0; - } - sourceStack[depth] = source; - targetStack[depth] = target; - maybeStack[depth] = {}; - maybeStack[depth][id] = 1 /* Succeeded */; - depth++; - var saveExpandingFlags = expandingFlags; - if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) - expandingFlags |= 1; - if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) - expandingFlags |= 2; - var result; - if (expandingFlags === 3) { - result = 1 /* Maybe */; - } - else { - result = propertiesRelatedTo(source, target, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 0 /* Call */, reportErrors); - if (result) { - result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportErrors); - if (result) { - result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); - if (result) { - result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); - } - } - } - } - } - expandingFlags = saveExpandingFlags; - depth--; - if (result) { - var maybeCache = maybeStack[depth]; - // If result is definitely true, copy assumptions to global cache, else copy to next level up - var destinationCache = (result === -1 /* True */ || depth === 0) ? relation : maybeStack[depth - 1]; - ts.copyMap(maybeCache, destinationCache); - } - else { - // A false result goes straight into global cache (when something is false under assumptions it - // will also be false without assumptions) - relation[id] = reportErrors ? 3 /* FailedAndReported */ : 2 /* Failed */; - } - return result; - } - function propertiesRelatedTo(source, target, reportErrors) { - if (relation === identityRelation) { - return propertiesIdenticalTo(source, target); - } - var result = -1 /* True */; - var properties = getPropertiesOfObjectType(target); - var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288 /* ObjectLiteral */); - for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { - var targetProp = properties_1[_i]; - var sourceProp = getPropertyOfType(source, targetProp.name); - if (sourceProp !== targetProp) { - if (!sourceProp) { - if (!(targetProp.flags & 536870912 /* Optional */) || requireOptionalProperties) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); - } - return 0 /* False */; - } - } - else if (!(targetProp.flags & 134217728 /* Prototype */)) { - var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); - var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); - if (sourcePropFlags & 16 /* Private */ || targetPropFlags & 16 /* Private */) { - if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { - if (reportErrors) { - if (sourcePropFlags & 16 /* Private */ && targetPropFlags & 16 /* Private */) { - reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); - } - else { - reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 /* Private */ ? source : target), typeToString(sourcePropFlags & 16 /* Private */ ? target : source)); - } - } - return 0 /* False */; - } - } - else if (targetPropFlags & 32 /* Protected */) { - var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32 /* Class */; - var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; - var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); - if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); - } - return 0 /* False */; - } - } - else if (sourcePropFlags & 32 /* Protected */) { - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0 /* False */; - } - var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); - } - return 0 /* False */; - } - result &= related; - if (sourceProp.flags & 536870912 /* Optional */ && !(targetProp.flags & 536870912 /* Optional */)) { - // TypeScript 1.0 spec (April 2014): 3.8.3 - // S is a subtype of a type T, and T is a supertype of S if ... - // S' and T are object types and, for each member M in T.. - // M is a property and S' contains a property N where - // if M is a required property, N is also a required property - // (M - property in T) - // (N - property in S) - if (reportErrors) { - reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); - } - return 0 /* False */; - } - } - } - } - return result; - } - function propertiesIdenticalTo(source, target) { - if (!(source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */)) { - return 0 /* False */; - } - var sourceProperties = getPropertiesOfObjectType(source); - var targetProperties = getPropertiesOfObjectType(target); - if (sourceProperties.length !== targetProperties.length) { - return 0 /* False */; - } - var result = -1 /* True */; - for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { - var sourceProp = sourceProperties_1[_i]; - var targetProp = getPropertyOfObjectType(target, sourceProp.name); - if (!targetProp) { - return 0 /* False */; - } - var related = compareProperties(sourceProp, targetProp, isRelatedTo); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function signaturesRelatedTo(source, target, kind, reportErrors) { - if (relation === identityRelation) { - return signaturesIdenticalTo(source, target, kind); - } - if (target === anyFunctionType || source === anyFunctionType) { - return -1 /* True */; - } - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (kind === 1 /* Construct */ && sourceSignatures.length && targetSignatures.length && - isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { - // An abstract constructor type is not assignable to a non-abstract constructor type - // as it would otherwise be possible to new an abstract class. Note that the assignablity - // check we perform for an extends clause excludes construct signatures from the target, - // so this check never proceeds. - if (reportErrors) { - reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); - } - return 0 /* False */; - } - var result = -1 /* True */; - var saveErrorInfo = errorInfo; - outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { - var t = targetSignatures_1[_i]; - if (!t.hasStringLiterals || target.flags & 262144 /* FromSignature */) { - // Only elaborate errors from the first failure - var shouldElaborateErrors = reportErrors; - for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { - var s = sourceSignatures_1[_a]; - if (!s.hasStringLiterals || source.flags & 262144 /* FromSignature */) { - var related = signatureRelatedTo(s, t, shouldElaborateErrors); - if (related) { - result &= related; - errorInfo = saveErrorInfo; - continue outer; - } - shouldElaborateErrors = false; - } - } - // don't elaborate the primitive apparent types (like Number) - // because the actual primitives will have already been reported. - if (shouldElaborateErrors) { - reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind)); - } - return 0 /* False */; - } - } - return result; - } - /** - * See signatureAssignableTo, compareSignaturesIdentical - */ - function signatureRelatedTo(source, target, reportErrors) { - return compareSignaturesRelated(source, target, /*ignoreReturnTypes*/ false, reportErrors, reportError, isRelatedTo); - } - function signaturesIdenticalTo(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - if (sourceSignatures.length !== targetSignatures.length) { - return 0 /* False */; - } - var result = -1 /* True */; - for (var i = 0, len = sourceSignatures.length; i < len; i++) { - var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreReturnTypes*/ false, isRelatedTo); - if (!related) { - return 0 /* False */; - } - result &= related; - } - return result; - } - function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(0 /* String */, source, target); - } - var targetType = getIndexTypeOfType(target, 0 /* String */); - if (targetType) { - if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { - // non-primitive assignment to any is always allowed, eg - // `var x: { [index: string]: any } = { property: 12 };` - return -1 /* True */; - } - var sourceType = getIndexTypeOfType(source, 0 /* String */); - if (!sourceType) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0 /* False */; - } - var related = isRelatedTo(sourceType, targetType, reportErrors); - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0 /* False */; - } - return related; - } - return -1 /* True */; - } - function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { - if (relation === identityRelation) { - return indexTypesIdenticalTo(1 /* Number */, source, target); - } - var targetType = getIndexTypeOfType(target, 1 /* Number */); - if (targetType) { - if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { - // non-primitive assignment to any is always allowed, eg - // `var x: { [index: number]: any } = { property: 12 };` - return -1 /* True */; - } - var sourceStringType = getIndexTypeOfType(source, 0 /* String */); - var sourceNumberType = getIndexTypeOfType(source, 1 /* Number */); - if (!(sourceStringType || sourceNumberType)) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); - } - return 0 /* False */; - } - var related = void 0; - if (sourceStringType && sourceNumberType) { - // If we know for sure we're testing both string and numeric index types then only report errors from the second one - related = isRelatedTo(sourceStringType, targetType, /*reportErrors*/ false) || isRelatedTo(sourceNumberType, targetType, reportErrors); - } - else { - related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); - } - if (!related) { - if (reportErrors) { - reportError(ts.Diagnostics.Index_signatures_are_incompatible); - } - return 0 /* False */; - } - return related; - } - return -1 /* True */; - } - function indexTypesIdenticalTo(indexKind, source, target) { - var targetType = getIndexTypeOfType(target, indexKind); - var sourceType = getIndexTypeOfType(source, indexKind); - if (!sourceType && !targetType) { - return -1 /* True */; - } - if (sourceType && targetType) { - return isRelatedTo(sourceType, targetType); - } - return 0 /* False */; - } - function enumRelatedTo(source, target) { - if (source.symbol.name !== target.symbol.name || - source.symbol.flags & 128 /* ConstEnum */ || - target.symbol.flags & 128 /* ConstEnum */) { - return 0 /* False */; - } - var targetEnumType = getTypeOfSymbol(target.symbol); - for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { - var property = _a[_i]; - if (property.flags & 8 /* EnumMember */) { - var targetProperty = getPropertyOfType(targetEnumType, property.name); - if (!targetProperty || !(targetProperty.flags & 8 /* EnumMember */)) { - reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */)); - return 0 /* False */; - } - } - } - return -1 /* True */; - } - } - // Return true if the given type is the constructor type for an abstract class - function isAbstractConstructorType(type) { - if (type.flags & 65536 /* Anonymous */) { - var symbol = type.symbol; - if (symbol && symbol.flags & 32 /* Class */) { - var declaration = getClassLikeDeclarationOfSymbol(symbol); - if (declaration && declaration.flags & 128 /* Abstract */) { - return true; - } - } - } - return false; - } - // Return true if the given type is part of a deeply nested chain of generic instantiations. We consider this to be the case - // when structural type comparisons have been started for 10 or more instantiations of the same generic type. It is possible, - // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely expanding. - // Effectively, we will generate a false positive when two types are structurally equal to at least 10 levels, but unequal at - // some level beyond that. - function isDeeplyNestedGeneric(type, stack, depth) { - // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) - if (type.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && depth >= 5) { - var symbol = type.symbol; - var count = 0; - for (var i = 0; i < depth; i++) { - var t = stack[i]; - if (t.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && t.symbol === symbol) { - count++; - if (count >= 5) - return true; - } - } - } - return false; - } - function isPropertyIdenticalTo(sourceProp, targetProp) { - return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* False */; - } - function compareProperties(sourceProp, targetProp, compareTypes) { - // Two members are considered identical when - // - they are public properties with identical names, optionality, and types, - // - they are private or protected properties originating in the same declaration and having identical types - if (sourceProp === targetProp) { - return -1 /* True */; - } - var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 /* Private */ | 32 /* Protected */); - var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 /* Private */ | 32 /* Protected */); - if (sourcePropAccessibility !== targetPropAccessibility) { - return 0 /* False */; - } - if (sourcePropAccessibility) { - if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { - return 0 /* False */; - } - } - else { - if ((sourceProp.flags & 536870912 /* Optional */) !== (targetProp.flags & 536870912 /* Optional */)) { - return 0 /* False */; - } - } - return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - function isMatchingSignature(source, target, partialMatch) { - // A source signature matches a target signature if the two signatures have the same number of required, - // optional, and rest parameters. - if (source.parameters.length === target.parameters.length && - source.minArgumentCount === target.minArgumentCount && - source.hasRestParameter === target.hasRestParameter) { - return true; - } - // A source signature partially matches a target signature if the target signature has no fewer required - // parameters and no more overall parameters than the source signature (where a signature with a rest - // parameter is always considered to have more overall parameters than one without). - if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || - source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { - return true; - } - return false; - } - /** - * See signatureRelatedTo, compareSignaturesIdentical - */ - function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { - // TODO (drosen): De-duplicate code between related functions. - if (source === target) { - return -1 /* True */; - } - if (!(isMatchingSignature(source, target, partialMatch))) { - return 0 /* False */; - } - // Check that the two signatures have the same number of type parameters. We might consider - // also checking that any type parameter constraints match, but that would require instantiating - // the constraints with a common set of type arguments to get relatable entities in places where - // type parameters occur in the constraints. The complexity of doing that doesn't seem worthwhile, - // particularly as we're comparing erased versions of the signatures below. - if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { - return 0 /* False */; - } - // Spec 1.0 Section 3.8.3 & 3.8.4: - // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N - source = getErasedSignature(source); - target = getErasedSignature(target); - var result = -1 /* True */; - var targetLen = target.parameters.length; - for (var i = 0; i < targetLen; i++) { - var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); - var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); - var related = compareTypes(s, t); - if (!related) { - return 0 /* False */; - } - result &= related; - } - if (!ignoreReturnTypes) { - result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - return result; - } - function isRestParameterIndex(signature, parameterIndex) { - return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; - } - function isSupertypeOfEach(candidate, types) { - for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { - var type = types_6[_i]; - if (candidate !== type && !isTypeSubtypeOf(type, candidate)) - return false; - } - return true; - } - function getCommonSupertype(types) { - return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); - } - function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { - // The downfallType/bestSupertypeDownfallType is the first type that caused a particular candidate - // to not be the common supertype. So if it weren't for this one downfallType (and possibly others), - // the type in question could have been the common supertype. - var bestSupertype; - var bestSupertypeDownfallType; - var bestSupertypeScore = 0; - for (var i = 0; i < types.length; i++) { - var score = 0; - var downfallType = undefined; - for (var j = 0; j < types.length; j++) { - if (isTypeSubtypeOf(types[j], types[i])) { - score++; - } - else if (!downfallType) { - downfallType = types[j]; - } - } - ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); - if (score > bestSupertypeScore) { - bestSupertype = types[i]; - bestSupertypeDownfallType = downfallType; - bestSupertypeScore = score; - } - // types.length - 1 is the maximum score, given that getCommonSupertype returned false - if (bestSupertypeScore === types.length - 1) { - break; - } - } - // In the following errors, the {1} slot is before the {0} slot because checkTypeSubtypeOf supplies the - // subtype as the first argument to the error - checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); - } - function isArrayType(type) { - return type.flags & 4096 /* Reference */ && type.target === globalArrayType; - } - function isArrayLikeType(type) { - // A type is array-like if it is not the undefined or null type and if it is assignable to any[] - return !(type.flags & (32 /* Undefined */ | 64 /* Null */)) && isTypeAssignableTo(type, anyArrayType); - } - function isTupleLikeType(type) { - return !!getPropertyOfType(type, "0"); - } - function isStringLiteralType(type) { - return type.flags & 256 /* StringLiteral */; - } - /** - * Check if a Type was written as a tuple type literal. - * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. - */ - function isTupleType(type) { - return !!(type.flags & 8192 /* Tuple */); - } - function getRegularTypeOfObjectLiteral(type) { - if (type.flags & 1048576 /* FreshObjectLiteral */) { - var regularType = type.regularType; - if (!regularType) { - regularType = createType(type.flags & ~1048576 /* FreshObjectLiteral */); - regularType.symbol = type.symbol; - regularType.members = type.members; - regularType.properties = type.properties; - regularType.callSignatures = type.callSignatures; - regularType.constructSignatures = type.constructSignatures; - regularType.stringIndexType = type.stringIndexType; - regularType.numberIndexType = type.numberIndexType; - type.regularType = regularType; - } - return regularType; - } - return type; - } - function getWidenedTypeOfObjectLiteral(type) { - var properties = getPropertiesOfObjectType(type); - var members = {}; - ts.forEach(properties, function (p) { - var propType = getTypeOfSymbol(p); - var widenedType = getWidenedType(propType); - if (propType !== widenedType) { - var symbol = createSymbol(p.flags | 67108864 /* Transient */, p.name); - symbol.declarations = p.declarations; - symbol.parent = p.parent; - symbol.type = widenedType; - symbol.target = p; - if (p.valueDeclaration) - symbol.valueDeclaration = p.valueDeclaration; - p = symbol; - } - members[p.name] = p; - }); - var stringIndexType = getIndexTypeOfType(type, 0 /* String */); - var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); - if (stringIndexType) - stringIndexType = getWidenedType(stringIndexType); - if (numberIndexType) - numberIndexType = getWidenedType(numberIndexType); - return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); - } - function getWidenedType(type) { - if (type.flags & 6291456 /* RequiresWidening */) { - if (type.flags & (32 /* Undefined */ | 64 /* Null */)) { - return anyType; - } - if (type.flags & 524288 /* ObjectLiteral */) { - return getWidenedTypeOfObjectLiteral(type); - } - if (type.flags & 16384 /* Union */) { - return getUnionType(ts.map(type.types, getWidenedType), /*noSubtypeReduction*/ true); - } - if (isArrayType(type)) { - return createArrayType(getWidenedType(type.typeArguments[0])); - } - if (isTupleType(type)) { - return createTupleType(ts.map(type.elementTypes, getWidenedType)); - } - } - return type; - } - /** - * Reports implicit any errors that occur as a result of widening 'null' and 'undefined' - * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to - * getWidenedType. But in some cases getWidenedType is called without reporting errors - * (type argument inference is an example). - * - * The return value indicates whether an error was in fact reported. The particular circumstances - * are on a best effort basis. Currently, if the null or undefined that causes widening is inside - * an object literal property (arbitrarily deeply), this function reports an error. If no error is - * reported, reportImplicitAnyError is a suitable fallback to report a general error. - */ - function reportWideningErrorsInType(type) { - var errorReported = false; - if (type.flags & 16384 /* Union */) { - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (isArrayType(type)) { - return reportWideningErrorsInType(type.typeArguments[0]); - } - if (isTupleType(type)) { - for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { - var t = _c[_b]; - if (reportWideningErrorsInType(t)) { - errorReported = true; - } - } - } - if (type.flags & 524288 /* ObjectLiteral */) { - for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { - var p = _e[_d]; - var t = getTypeOfSymbol(p); - if (t.flags & 2097152 /* ContainsUndefinedOrNull */) { - if (!reportWideningErrorsInType(t)) { - error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); - } - errorReported = true; - } - } - } - return errorReported; - } - function reportImplicitAnyError(declaration, type) { - var typeAsString = typeToString(getWidenedType(type)); - var diagnostic; - switch (declaration.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; - break; - case 139 /* Parameter */: - diagnostic = declaration.dotDotDotToken ? - ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : - ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; - break; - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!declaration.name) { - error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); - return; - } - diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; - break; - default: - diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; - } - error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); - } - function reportErrorsFromWidening(declaration, type) { - if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152 /* ContainsUndefinedOrNull */) { - // Report implicit any error within type if possible, otherwise report error on declaration - if (!reportWideningErrorsInType(type)) { - reportImplicitAnyError(declaration, type); - } - } - } - function forEachMatchingParameterType(source, target, callback) { - var sourceMax = source.parameters.length; - var targetMax = target.parameters.length; - var count; - if (source.hasRestParameter && target.hasRestParameter) { - count = sourceMax > targetMax ? sourceMax : targetMax; - sourceMax--; - targetMax--; - } - else if (source.hasRestParameter) { - sourceMax--; - count = targetMax; - } - else if (target.hasRestParameter) { - targetMax--; - count = sourceMax; - } - else { - count = sourceMax < targetMax ? sourceMax : targetMax; - } - for (var i = 0; i < count; i++) { - var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); - var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); - callback(s, t); - } - } - function createInferenceContext(typeParameters, inferUnionTypes) { - var inferences = ts.map(typeParameters, createTypeInferencesObject); - return { - typeParameters: typeParameters, - inferUnionTypes: inferUnionTypes, - inferences: inferences, - inferredTypes: new Array(typeParameters.length) - }; - } - function createTypeInferencesObject() { - return { - primary: undefined, - secondary: undefined, - isFixed: false - }; - } - function inferTypes(context, source, target) { - var sourceStack; - var targetStack; - var depth = 0; - var inferiority = 0; - inferFromTypes(source, target); - function isInProcess(source, target) { - for (var i = 0; i < depth; i++) { - if (source === sourceStack[i] && target === targetStack[i]) { - return true; - } - } - return false; - } - function inferFromTypes(source, target) { - if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || - source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { - // Source and target are both unions or both intersections. First, find each - // target constituent type that has an identically matching source constituent - // type, and for each such target constituent type infer from the type to itself. - // When inferring from a type to itself we effectively find all type parameter - // occurrences within that type and infer themselves as their type arguments. - var matchingTypes = void 0; - for (var _i = 0, _a = target.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (typeIdenticalToSomeType(t, source.types)) { - (matchingTypes || (matchingTypes = [])).push(t); - inferFromTypes(t, t); - } - } - // Next, to improve the quality of inferences, reduce the source and target types by - // removing the identically matched constituents. For example, when inferring from - // 'string | string[]' to 'string | T' we reduce the types to 'string[]' and 'T'. - if (matchingTypes) { - source = removeTypesFromUnionOrIntersection(source, matchingTypes); - target = removeTypesFromUnionOrIntersection(target, matchingTypes); - } - } - if (target.flags & 512 /* TypeParameter */) { - // If target is a type parameter, make an inference, unless the source type contains - // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions). - // Because the anyFunctionType is internal, it should not be exposed to the user by adding - // it as an inference candidate. Hopefully, a better candidate will come along that does - // not contain anyFunctionType when we come back to this argument for its second round - // of inference. - if (source.flags & 8388608 /* ContainsAnyFunctionType */) { - return; - } - var typeParameters = context.typeParameters; - for (var i = 0; i < typeParameters.length; i++) { - if (target === typeParameters[i]) { - var inferences = context.inferences[i]; - if (!inferences.isFixed) { - // Any inferences that are made to a type parameter in a union type are inferior - // to inferences made to a flat (non-union) type. This is because if we infer to - // T | string[], we really don't know if we should be inferring to T or not (because - // the correct constituent on the target side could be string[]). Therefore, we put - // such inferior inferences into a secondary bucket, and only use them if the primary - // bucket is empty. - var candidates = inferiority ? - inferences.secondary || (inferences.secondary = []) : - inferences.primary || (inferences.primary = []); - if (!ts.contains(candidates, source)) { - candidates.push(source); - } - } - return; - } - } - } - else if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { - // If source and target are references to the same generic type, infer from type arguments - var sourceTypes = source.typeArguments || emptyArray; - var targetTypes = target.typeArguments || emptyArray; - var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; - for (var i = 0; i < count; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (source.flags & 8192 /* Tuple */ && target.flags & 8192 /* Tuple */ && source.elementTypes.length === target.elementTypes.length) { - // If source and target are tuples of the same size, infer from element types - var sourceTypes = source.elementTypes; - var targetTypes = target.elementTypes; - for (var i = 0; i < sourceTypes.length; i++) { - inferFromTypes(sourceTypes[i], targetTypes[i]); - } - } - else if (target.flags & 49152 /* UnionOrIntersection */) { - var targetTypes = target.types; - var typeParameterCount = 0; - var typeParameter = void 0; - // First infer to each type in union or intersection that isn't a type parameter - for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { - var t = targetTypes_2[_b]; - if (t.flags & 512 /* TypeParameter */ && ts.contains(context.typeParameters, t)) { - typeParameter = t; - typeParameterCount++; - } - else { - inferFromTypes(source, t); - } - } - // Next, if target is a union type containing a single naked type parameter, make a - // secondary inference to that type parameter. We don't do this for intersection types - // because in a target type like Foo & T we don't know how which parts of the source type - // should be matched by Foo and which should be inferred to T. - if (target.flags & 16384 /* Union */ && typeParameterCount === 1) { - inferiority++; - inferFromTypes(source, typeParameter); - inferiority--; - } - } - else if (source.flags & 49152 /* UnionOrIntersection */) { - // Source is a union or intersection type, infer from each consituent type - var sourceTypes = source.types; - for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { - var sourceType = sourceTypes_3[_c]; - inferFromTypes(sourceType, target); - } - } - else { - source = getApparentType(source); - if (source.flags & 80896 /* ObjectType */ && (target.flags & 4096 /* Reference */ && target.typeArguments || - target.flags & 8192 /* Tuple */ || - target.flags & 65536 /* Anonymous */ && target.symbol && target.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */))) { - // If source is an object type, and target is a type reference with type arguments, a tuple type, - // the type of a method, or a type literal, infer from members - if (isInProcess(source, target)) { - return; - } - if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { - return; - } - if (depth === 0) { - sourceStack = []; - targetStack = []; - } - sourceStack[depth] = source; - targetStack[depth] = target; - depth++; - inferFromProperties(source, target); - inferFromSignatures(source, target, 0 /* Call */); - inferFromSignatures(source, target, 1 /* Construct */); - inferFromIndexTypes(source, target, 0 /* String */, 0 /* String */); - inferFromIndexTypes(source, target, 1 /* Number */, 1 /* Number */); - inferFromIndexTypes(source, target, 0 /* String */, 1 /* Number */); - depth--; - } - } - } - function inferFromProperties(source, target) { - var properties = getPropertiesOfObjectType(target); - for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { - var targetProp = properties_2[_i]; - var sourceProp = getPropertyOfObjectType(source, targetProp.name); - if (sourceProp) { - inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); - } - } - } - function inferFromSignatures(source, target, kind) { - var sourceSignatures = getSignaturesOfType(source, kind); - var targetSignatures = getSignaturesOfType(target, kind); - var sourceLen = sourceSignatures.length; - var targetLen = targetSignatures.length; - var len = sourceLen < targetLen ? sourceLen : targetLen; - for (var i = 0; i < len; i++) { - inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); - } - } - function inferFromSignature(source, target) { - forEachMatchingParameterType(source, target, inferFromTypes); - if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { - inferFromTypes(source.typePredicate.type, target.typePredicate.type); - } - else { - inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); - } - } - function inferFromIndexTypes(source, target, sourceKind, targetKind) { - var targetIndexType = getIndexTypeOfType(target, targetKind); - if (targetIndexType) { - var sourceIndexType = getIndexTypeOfType(source, sourceKind); - if (sourceIndexType) { - inferFromTypes(sourceIndexType, targetIndexType); - } - } - } - } - function typeIdenticalToSomeType(type, types) { - for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { - var t = types_7[_i]; - if (isTypeIdenticalTo(t, type)) { - return true; - } - } - return false; - } - /** - * Return a new union or intersection type computed by removing a given set of types - * from a given union or intersection type. - */ - function removeTypesFromUnionOrIntersection(type, typesToRemove) { - var reducedTypes = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var t = _a[_i]; - if (!typeIdenticalToSomeType(t, typesToRemove)) { - reducedTypes.push(t); - } - } - return type.flags & 16384 /* Union */ ? getUnionType(reducedTypes, /*noSubtypeReduction*/ true) : getIntersectionType(reducedTypes); - } - function getInferenceCandidates(context, index) { - var inferences = context.inferences[index]; - return inferences.primary || inferences.secondary || emptyArray; - } - function getInferredType(context, index) { - var inferredType = context.inferredTypes[index]; - var inferenceSucceeded; - if (!inferredType) { - var inferences = getInferenceCandidates(context, index); - if (inferences.length) { - // Infer widened union or supertype, or the unknown type for no common supertype - var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); - inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; - inferenceSucceeded = !!unionOrSuperType; - } - else { - // Infer the empty object type when no inferences were made. It is important to remember that - // in this case, inference still succeeds, meaning there is no error for not having inference - // candidates. An inference error only occurs when there are *conflicting* candidates, i.e. - // candidates with no common supertype. - inferredType = emptyObjectType; - inferenceSucceeded = true; - } - context.inferredTypes[index] = inferredType; - // Only do the constraint check if inference succeeded (to prevent cascading errors) - if (inferenceSucceeded) { - var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); - if (constraint) { - var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); - if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { - context.inferredTypes[index] = inferredType = instantiatedConstraint; - } - } - } - else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { - // If inference failed, it is necessary to record the index of the failed type parameter (the one we are on). - // It might be that inference has already failed on a later type parameter on a previous call to inferTypeArguments. - // So if this failure is on preceding type parameter, this type parameter is the new failure index. - context.failedTypeParameterIndex = index; - } - } - return inferredType; - } - function getInferredTypes(context) { - for (var i = 0; i < context.inferredTypes.length; i++) { - getInferredType(context, i); - } - return context.inferredTypes; - } - // EXPRESSION TYPE CHECKING - function getResolvedSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 /* Value */ | 1048576 /* ExportValue */, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; - } - return links.resolvedSymbol; - } - function isInTypeQuery(node) { - // TypeScript 1.0 spec (April 2014): 3.6.3 - // A type query consists of the keyword typeof followed by an expression. - // The expression is restricted to a single identifier or a sequence of identifiers separated by periods - while (node) { - switch (node.kind) { - case 155 /* TypeQuery */: - return true; - case 69 /* Identifier */: - case 136 /* QualifiedName */: - node = node.parent; - continue; - default: - return false; - } - } - ts.Debug.fail("should not get here"); - } - function hasInitializer(node) { - return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); - } - // Check if a given variable is assigned within a given syntax node - function isVariableAssignedWithin(symbol, node) { - var links = getNodeLinks(node); - if (links.assignmentChecks) { - var cachedResult = links.assignmentChecks[symbol.id]; - if (cachedResult !== undefined) { - return cachedResult; - } - } - else { - links.assignmentChecks = {}; - } - return links.assignmentChecks[symbol.id] = isAssignedIn(node); - function isAssignedInBinaryExpression(node) { - if (node.operatorToken.kind >= 56 /* FirstAssignment */ && node.operatorToken.kind <= 68 /* LastAssignment */) { - var n = skipParenthesizedNodes(node.left); - if (n.kind === 69 /* Identifier */ && getResolvedSymbol(n) === symbol) { - return true; - } - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedInVariableDeclaration(node) { - if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { - return true; - } - return ts.forEachChild(node, isAssignedIn); - } - function isAssignedIn(node) { - switch (node.kind) { - case 184 /* BinaryExpression */: - return isAssignedInBinaryExpression(node); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - return isAssignedInVariableDeclaration(node); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - case 167 /* ArrayLiteralExpression */: - case 168 /* ObjectLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - case 175 /* ParenthesizedExpression */: - case 182 /* PrefixUnaryExpression */: - case 178 /* DeleteExpression */: - case 181 /* AwaitExpression */: - case 179 /* TypeOfExpression */: - case 180 /* VoidExpression */: - case 183 /* PostfixUnaryExpression */: - case 187 /* YieldExpression */: - case 185 /* ConditionalExpression */: - case 188 /* SpreadElementExpression */: - case 195 /* Block */: - case 196 /* VariableStatement */: - case 198 /* ExpressionStatement */: - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 207 /* ReturnStatement */: - case 208 /* WithStatement */: - case 209 /* SwitchStatement */: - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - case 210 /* LabeledStatement */: - case 211 /* ThrowStatement */: - case 212 /* TryStatement */: - case 247 /* CatchClause */: - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - case 238 /* JsxOpeningElement */: - case 243 /* JsxExpression */: - return ts.forEachChild(node, isAssignedIn); - } - return false; - } - } - // Get the narrowed type of a given symbol at a given location - function getNarrowedTypeOfSymbol(symbol, node) { - var type = getTypeOfSymbol(symbol); - // Only narrow when symbol is variable of type any or an object, union, or type parameter type - if (node && symbol.flags & 3 /* Variable */) { - if (isTypeAny(type) || type.flags & (80896 /* ObjectType */ | 16384 /* Union */ | 512 /* TypeParameter */)) { - var declaration = ts.getDeclarationOfKind(symbol, 214 /* VariableDeclaration */); - var top_1 = declaration && getDeclarationContainer(declaration); - var originalType = type; - var nodeStack = []; - loop: while (node.parent) { - var child = node; - node = node.parent; - switch (node.kind) { - case 199 /* IfStatement */: - case 185 /* ConditionalExpression */: - case 184 /* BinaryExpression */: - nodeStack.push({ node: node, child: child }); - break; - case 251 /* SourceFile */: - case 221 /* ModuleDeclaration */: - // Stop at the first containing file or module declaration - break loop; - } - if (node === top_1) { - break; - } - } - var nodes = void 0; - while (nodes = nodeStack.pop()) { - var node_1 = nodes.node, child = nodes.child; - switch (node_1.kind) { - case 199 /* IfStatement */: - // In a branch of an if statement, narrow based on controlling expression - if (child !== node_1.expression) { - type = narrowType(type, node_1.expression, /*assumeTrue*/ child === node_1.thenStatement); - } - break; - case 185 /* ConditionalExpression */: - // In a branch of a conditional expression, narrow based on controlling condition - if (child !== node_1.condition) { - type = narrowType(type, node_1.condition, /*assumeTrue*/ child === node_1.whenTrue); - } - break; - case 184 /* BinaryExpression */: - // In the right operand of an && or ||, narrow based on left operand - if (child === node_1.right) { - if (node_1.operatorToken.kind === 51 /* AmpersandAmpersandToken */) { - type = narrowType(type, node_1.left, /*assumeTrue*/ true); - } - else if (node_1.operatorToken.kind === 52 /* BarBarToken */) { - type = narrowType(type, node_1.left, /*assumeTrue*/ false); - } - } - break; - default: - ts.Debug.fail("Unreachable!"); - } - // Use original type if construct contains assignments to variable - if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { - type = originalType; - } - } - // Preserve old top-level behavior - if the branch is really an empty set, revert to prior type - if (type === emptyUnionType) { - type = originalType; - } - } - } - return type; - function narrowTypeByEquality(type, expr, assumeTrue) { - // Check that we have 'typeof ' on the left and string literal on the right - if (expr.left.kind !== 179 /* TypeOfExpression */ || expr.right.kind !== 9 /* StringLiteral */) { - return type; - } - var left = expr.left; - var right = expr.right; - if (left.expression.kind !== 69 /* Identifier */ || getResolvedSymbol(left.expression) !== symbol) { - return type; - } - if (expr.operatorToken.kind === 33 /* ExclamationEqualsEqualsToken */) { - assumeTrue = !assumeTrue; - } - var typeInfo = primitiveTypeInfo[right.text]; - // Don't narrow `undefined` - if (typeInfo && typeInfo.type === undefinedType) { - return type; - } - var flags; - if (typeInfo) { - flags = typeInfo.flags; - } - else { - assumeTrue = !assumeTrue; - flags = 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */ | 8 /* Boolean */; - } - // At this point we can bail if it's not a union - if (!(type.flags & 16384 /* Union */)) { - // If we're on the true branch and the type is a subtype, we should return the primitive type - if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { - return typeInfo.type; - } - // If the active non-union type would be removed from a union by this type guard, return an empty union - return filterUnion(type) ? type : emptyUnionType; - } - return getUnionType(ts.filter(type.types, filterUnion), /*noSubtypeReduction*/ true); - function filterUnion(type) { - return assumeTrue === !!(type.flags & flags); - } - } - function narrowTypeByAnd(type, expr, assumeTrue) { - if (assumeTrue) { - // The assumed result is true, therefore we narrow assuming each operand to be true. - return narrowType(narrowType(type, expr.left, /*assumeTrue*/ true), expr.right, /*assumeTrue*/ true); - } - else { - // The assumed result is false. This means either the first operand was false, or the first operand was true - // and the second operand was false. We narrow with those assumptions and union the two resulting types. - return getUnionType([ - narrowType(type, expr.left, /*assumeTrue*/ false), - narrowType(type, expr.right, /*assumeTrue*/ false) - ]); - } - } - function narrowTypeByOr(type, expr, assumeTrue) { - if (assumeTrue) { - // The assumed result is true. This means either the first operand was true, or the first operand was false - // and the second operand was true. We narrow with those assumptions and union the two resulting types. - return getUnionType([ - narrowType(type, expr.left, /*assumeTrue*/ true), - narrowType(type, expr.right, /*assumeTrue*/ true) - ]); - } - else { - // The assumed result is false, therefore we narrow assuming each operand to be false. - return narrowType(narrowType(type, expr.left, /*assumeTrue*/ false), expr.right, /*assumeTrue*/ false); - } - } - function narrowTypeByInstanceof(type, expr, assumeTrue) { - // Check that type is not any, assumed result is true, and we have variable symbol on the left - if (isTypeAny(type) || expr.left.kind !== 69 /* Identifier */ || getResolvedSymbol(expr.left) !== symbol) { - return type; - } - // Check that right operand is a function type with a prototype property - var rightType = checkExpression(expr.right); - if (!isTypeSubtypeOf(rightType, globalFunctionType)) { - return type; - } - var targetType; - var prototypeProperty = getPropertyOfType(rightType, "prototype"); - if (prototypeProperty) { - // Target type is type of the prototype property - var prototypePropertyType = getTypeOfSymbol(prototypeProperty); - if (!isTypeAny(prototypePropertyType)) { - targetType = prototypePropertyType; - } - } - if (!targetType) { - // Target type is type of construct signature - var constructSignatures = void 0; - if (rightType.flags & 2048 /* Interface */) { - constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; - } - else if (rightType.flags & 65536 /* Anonymous */) { - constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); - } - if (constructSignatures && constructSignatures.length) { - targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); - } - } - if (targetType) { - return getNarrowedType(type, targetType, assumeTrue); - } - return type; - } - function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { - if (!assumeTrue) { - if (originalType.flags & 16384 /* Union */) { - return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); - } - return originalType; - } - // If the current type is a union type, remove all constituents that aren't assignable to target. If that produces - // 0 candidates, fall back to the assignability check - if (originalType.flags & 16384 /* Union */) { - var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); - if (assignableConstituents.length) { - return getUnionType(assignableConstituents); - } - } - if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { - // Narrow to the target type if it's assignable to the current type - return narrowedTypeCandidate; - } - return originalType; - } - function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { - if (type.flags & 1 /* Any */) { - return type; - } - var signature = getResolvedSignature(callExpression); - var predicate = signature.typePredicate; - if (!predicate) { - return type; - } - if (ts.isIdentifierTypePredicate(predicate)) { - if (callExpression.arguments[predicate.parameterIndex] && - getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - else { - var invokedExpression = skipParenthesizedNodes(callExpression.expression); - return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); - } - return type; - } - function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { - if (invokedExpression.kind === 170 /* ElementAccessExpression */ || invokedExpression.kind === 169 /* PropertyAccessExpression */) { - var accessExpression = invokedExpression; - var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); - if (possibleIdentifier.kind === 69 /* Identifier */ && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { - return getNarrowedType(type, predicate.type, assumeTrue); - } - } - return type; - } - function getSymbolAtTypePredicatePosition(expr) { - expr = skipParenthesizedNodes(expr); - switch (expr.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - return getSymbolOfEntityNameOrPropertyAccessExpression(expr); - } - } - // Narrow the given type based on the given expression having the assumed boolean value. The returned type - // will be a subtype or the same type as the argument. - function narrowType(type, expr, assumeTrue) { - switch (expr.kind) { - case 171 /* CallExpression */: - return narrowTypeByTypePredicate(type, expr, assumeTrue); - case 175 /* ParenthesizedExpression */: - return narrowType(type, expr.expression, assumeTrue); - case 184 /* BinaryExpression */: - var operator = expr.operatorToken.kind; - if (operator === 32 /* EqualsEqualsEqualsToken */ || operator === 33 /* ExclamationEqualsEqualsToken */) { - return narrowTypeByEquality(type, expr, assumeTrue); - } - else if (operator === 51 /* AmpersandAmpersandToken */) { - return narrowTypeByAnd(type, expr, assumeTrue); - } - else if (operator === 52 /* BarBarToken */) { - return narrowTypeByOr(type, expr, assumeTrue); - } - else if (operator === 91 /* InstanceOfKeyword */) { - return narrowTypeByInstanceof(type, expr, assumeTrue); - } - break; - case 182 /* PrefixUnaryExpression */: - if (expr.operator === 49 /* ExclamationToken */) { - return narrowType(type, expr.operand, !assumeTrue); - } - break; - } - return type; - } - } - function skipParenthesizedNodes(expression) { - while (expression.kind === 175 /* ParenthesizedExpression */) { - expression = expression.expression; - } - return expression; - } - function checkIdentifier(node) { - var symbol = getResolvedSymbol(node); - // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects. - // Although in down-level emit of arrow function, we emit it using function expression which means that - // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects - // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior. - // To avoid that we will give an error to users if they use arguments objects in arrow function so that they - // can explicitly bound arguments objects - if (symbol === argumentsSymbol) { - var container = ts.getContainingFunction(node); - if (container.kind === 177 /* ArrowFunction */) { - if (languageVersion < 2 /* ES6 */) { - error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); - } - } - if (node.parserContextFlags & 8 /* Await */) { - getNodeLinks(container).flags |= 8192 /* CaptureArguments */; - } - } - if (symbol.flags & 8388608 /* Alias */ && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { - markAliasSymbolAsReferenced(symbol); - } - var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); - // Due to the emit for class decorators, any reference to the class from inside of the class body - // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind - // behavior of class names in ES6. - if (languageVersion === 2 /* ES6 */ - && localOrExportSymbol.flags & 32 /* Class */ - && localOrExportSymbol.valueDeclaration.kind === 217 /* ClassDeclaration */ - && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { - var container = ts.getContainingClass(node); - while (container !== undefined) { - if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { - getNodeLinks(container).flags |= 524288 /* ClassWithBodyScopedClassBinding */; - getNodeLinks(node).flags |= 1048576 /* BodyScopedClassBinding */; - break; - } - container = ts.getContainingClass(container); - } - } - checkCollisionWithCapturedSuperVariable(node, node); - checkCollisionWithCapturedThisVariable(node, node); - checkNestedBlockScopedBinding(node, symbol); - return getNarrowedTypeOfSymbol(localOrExportSymbol, node); - } - function isInsideFunction(node, threshold) { - var current = node; - while (current && current !== threshold) { - if (ts.isFunctionLike(current)) { - return true; - } - current = current.parent; - } - return false; - } - function checkNestedBlockScopedBinding(node, symbol) { - if (languageVersion >= 2 /* ES6 */ || - (symbol.flags & (2 /* BlockScopedVariable */ | 32 /* Class */)) === 0 || - symbol.valueDeclaration.parent.kind === 247 /* CatchClause */) { - return; - } - // 1. walk from the use site up to the declaration and check - // if there is anything function like between declaration and use-site (is binding/class is captured in function). - // 2. walk from the declaration up to the boundary of lexical environment and check - // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement) - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - var usedInFunction = isInsideFunction(node.parent, container); - var current = container; - var containedInIterationStatement = false; - while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { - if (ts.isIterationStatement(current, /*lookInLabeledStatements*/ false)) { - containedInIterationStatement = true; - break; - } - current = current.parent; - } - if (containedInIterationStatement) { - if (usedInFunction) { - // mark iteration statement as containing block-scoped binding captured in some function - getNodeLinks(current).flags |= 65536 /* LoopWithCapturedBlockScopedBinding */; - } - // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement. - // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back. - if (container.kind === 202 /* ForStatement */ && - ts.getAncestor(symbol.valueDeclaration, 215 /* VariableDeclarationList */).parent === container && - isAssignedInBodyOfForStatement(node, container)) { - getNodeLinks(symbol.valueDeclaration).flags |= 2097152 /* NeedsLoopOutParameter */; - } - // set 'declared inside loop' bit on the block-scoped binding - getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* BlockScopedBindingInLoop */; - } - if (usedInFunction) { - getNodeLinks(symbol.valueDeclaration).flags |= 131072 /* CapturedBlockScopedBinding */; - } - } - function isAssignedInBodyOfForStatement(node, container) { - var current = node; - // skip parenthesized nodes - while (current.parent.kind === 175 /* ParenthesizedExpression */) { - current = current.parent; - } - // check if node is used as LHS in some assignment expression - var isAssigned = false; - if (current.parent.kind === 184 /* BinaryExpression */) { - isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); - } - if ((current.parent.kind === 182 /* PrefixUnaryExpression */ || current.parent.kind === 183 /* PostfixUnaryExpression */)) { - var expr = current.parent; - isAssigned = expr.operator === 41 /* PlusPlusToken */ || expr.operator === 42 /* MinusMinusToken */; - } - if (!isAssigned) { - return false; - } - // at this point we know that node is the target of assignment - // now check that modification happens inside the statement part of the ForStatement - while (current !== container) { - if (current === container.statement) { - return true; - } - else { - current = current.parent; - } - } - return false; - } - function captureLexicalThis(node, container) { - getNodeLinks(node).flags |= 2 /* LexicalThis */; - if (container.kind === 142 /* PropertyDeclaration */ || container.kind === 145 /* Constructor */) { - var classNode = container.parent; - getNodeLinks(classNode).flags |= 4 /* CaptureThis */; - } - else { - getNodeLinks(container).flags |= 4 /* CaptureThis */; - } - } - function findFirstSuperCall(n) { - if (ts.isSuperCallExpression(n)) { - return n; - } - else if (ts.isFunctionLike(n)) { - return undefined; - } - return ts.forEachChild(n, findFirstSuperCall); - } - /** - * Return a cached result if super-statement is already found. - * Otherwise, find a super statement in a given constructor function and cache the result in the node-links of the constructor - * - * @param constructor constructor-function to look for super statement - */ - function getSuperCallInConstructor(constructor) { - var links = getNodeLinks(constructor); - // Only trying to find super-call if we haven't yet tried to find one. Once we try, we will record the result - if (links.hasSuperCall === undefined) { - links.superCall = findFirstSuperCall(constructor.body); - links.hasSuperCall = links.superCall ? true : false; - } - return links.superCall; - } - /** - * Check if the given class-declaration extends null then return true. - * Otherwise, return false - * @param classDecl a class declaration to check if it extends null - */ - function classDeclarationExtendsNull(classDecl) { - var classSymbol = getSymbolOfNode(classDecl); - var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); - var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); - return baseConstructorType === nullType; - } - function checkThisExpression(node) { - // Stop at the first arrow function so that we can - // tell whether 'this' needs to be captured. - var container = ts.getThisContainer(node, /* includeArrowFunctions */ true); - var needToCaptureLexicalThis = false; - if (container.kind === 145 /* Constructor */) { - var containingClassDecl = container.parent; - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); - // If a containing class does not have extends clause or the class extends null - // skip checking whether super statement is called before "this" accessing. - if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { - var superCall = getSuperCallInConstructor(container); - // We should give an error in the following cases: - // - No super-call - // - "this" is accessing before super-call. - // i.e super(this) - // this.x; super(); - // We want to make sure that super-call is done before accessing "this" so that - // "this" is not accessed as a parameter of the super-call. - if (!superCall || superCall.end > node.pos) { - // In ES6, super inside constructor of class-declaration has to precede "this" accessing - error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); - } - } - } - // Now skip arrow functions to get the "real" owner of 'this'. - if (container.kind === 177 /* ArrowFunction */) { - container = ts.getThisContainer(container, /* includeArrowFunctions */ false); - // When targeting es6, arrow function lexically bind "this" so we do not need to do the work of binding "this" in emitted code - needToCaptureLexicalThis = (languageVersion < 2 /* ES6 */); - } - switch (container.kind) { - case 221 /* ModuleDeclaration */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); - // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks - break; - case 220 /* EnumDeclaration */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks - break; - case 145 /* Constructor */: - if (isInConstructorArgumentInitializer(node, container)) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); - } - break; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - if (container.flags & 64 /* Static */) { - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); - } - break; - case 137 /* ComputedPropertyName */: - error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); - break; - } - if (needToCaptureLexicalThis) { - captureLexicalThis(node, container); - } - if (ts.isClassLike(container.parent)) { - var symbol = getSymbolOfNode(container.parent); - return container.flags & 64 /* Static */ ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; - } - if (ts.isInJavaScriptFile(node)) { - var type = getTypeForThisExpressionFromJSDoc(container); - if (type && type !== unknownType) { - return type; - } - // If this is a function in a JS file, it might be a class method. Check if it's the RHS - // of a x.prototype.y = function [name]() { .... } - if (container.kind === 176 /* FunctionExpression */) { - if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3 /* PrototypeProperty */) { - // Get the 'x' of 'x.prototype.y = f' (here, 'f' is 'container') - var className = container.parent // x.protoype.y = f - .left // x.prototype.y - .expression // x.prototype - .expression; // x - var classSymbol = checkExpression(className).symbol; - if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* Function */)) { - return getInferredClassType(classSymbol); - } - } - } - } - return anyType; - } - function getTypeForThisExpressionFromJSDoc(node) { - var typeTag = ts.getJSDocTypeTag(node); - if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264 /* JSDocFunctionType */) { - var jsDocFunctionType = typeTag.typeExpression.type; - if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267 /* JSDocThisType */) { - return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); - } - } - } - function isInConstructorArgumentInitializer(node, constructorDecl) { - for (var n = node; n && n !== constructorDecl; n = n.parent) { - if (n.kind === 139 /* Parameter */) { - return true; - } - } - return false; - } - function checkSuperExpression(node) { - var isCallExpression = node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; - var container = ts.getSuperContainer(node, /*stopOnFunctions*/ true); - var needToCaptureLexicalThis = false; - if (!isCallExpression) { - // adjust the container reference in case if super is used inside arrow functions with arbitrary deep nesting - while (container && container.kind === 177 /* ArrowFunction */) { - container = ts.getSuperContainer(container, /*stopOnFunctions*/ true); - needToCaptureLexicalThis = languageVersion < 2 /* ES6 */; - } - } - var canUseSuperExpression = isLegalUsageOfSuperExpression(container); - var nodeCheckFlag = 0; - if (!canUseSuperExpression) { - // issue more specific error if super is used in computed property name - // class A { foo() { return "1" }} - // class B { - // [super.foo()]() {} - // } - var current = node; - while (current && current !== container && current.kind !== 137 /* ComputedPropertyName */) { - current = current.parent; - } - if (current && current.kind === 137 /* ComputedPropertyName */) { - error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); - } - else if (isCallExpression) { - error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); - } - else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); - } - else { - error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); - } - return unknownType; - } - if ((container.flags & 64 /* Static */) || isCallExpression) { - nodeCheckFlag = 512 /* SuperStatic */; - } - else { - nodeCheckFlag = 256 /* SuperInstance */; - } - getNodeLinks(node).flags |= nodeCheckFlag; - // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference. - // This is due to the fact that we emit the body of an async function inside of a generator function. As generator - // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper - // uses an arrow function, which is permitted to reference `super`. - // - // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property - // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value - // of a property or indexed access, either as part of an assignment expression or destructuring assignment. - // - // The simplest case is reading a value, in which case we will emit something like the following: - // - // // ts - // ... - // async asyncMethod() { - // let x = await super.asyncMethod(); - // return x; - // } - // ... - // - // // js - // ... - // asyncMethod() { - // const _super = name => super[name]; - // return __awaiter(this, arguments, Promise, function *() { - // let x = yield _super("asyncMethod").call(this); - // return x; - // }); - // } - // ... - // - // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases - // are legal in ES6, but also likely less frequent, we emit the same more complex helper for both scenarios: - // - // // ts - // ... - // async asyncMethod(ar: Promise) { - // [super.a, super.b] = await ar; - // } - // ... - // - // // js - // ... - // asyncMethod(ar) { - // const _super = (function (geti, seti) { - // const cache = Object.create(null); - // return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } }); - // })(name => super[name], (name, value) => super[name] = value); - // return __awaiter(this, arguments, Promise, function *() { - // [_super("a").value, _super("b").value] = yield ar; - // }); - // } - // ... - // - // This helper creates an object with a "value" property that wraps the `super` property or indexed access for both get and set. - // This is required for destructuring assignments, as a call expression cannot be used as the target of a destructuring assignment - // while a property access can. - if (container.kind === 144 /* MethodDeclaration */ && container.flags & 256 /* Async */) { - if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { - getNodeLinks(container).flags |= 4096 /* AsyncMethodWithSuperBinding */; - } - else { - getNodeLinks(container).flags |= 2048 /* AsyncMethodWithSuper */; - } - } - if (needToCaptureLexicalThis) { - // call expressions are allowed only in constructors so they should always capture correct 'this' - // super property access expressions can also appear in arrow functions - - // in this case they should also use correct lexical this - captureLexicalThis(node.parent, container); - } - if (container.parent.kind === 168 /* ObjectLiteralExpression */) { - if (languageVersion < 2 /* ES6 */) { - error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); - return unknownType; - } - else { - // for object literal assume that type of 'super' is 'any' - return anyType; - } - } - // at this point the only legal case for parent is ClassLikeDeclaration - var classLikeDeclaration = container.parent; - var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); - var baseClassType = classType && getBaseTypes(classType)[0]; - if (!baseClassType) { - if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { - error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); - } - return unknownType; - } - if (container.kind === 145 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) { - // issue custom error message for super property access in constructor arguments (to be aligned with old compiler) - error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); - return unknownType; - } - return nodeCheckFlag === 512 /* SuperStatic */ - ? getBaseConstructorTypeOfClass(classType) - : baseClassType; - function isLegalUsageOfSuperExpression(container) { - if (!container) { - return false; - } - if (isCallExpression) { - // TS 1.0 SPEC (April 2014): 4.8.1 - // Super calls are only permitted in constructors of derived classes - return container.kind === 145 /* Constructor */; - } - else { - // TS 1.0 SPEC (April 2014) - // 'super' property access is allowed - // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance - // - In a static member function or static member accessor - // topmost container must be something that is directly nested in the class declaration\object literal expression - if (ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */) { - if (container.flags & 64 /* Static */) { - return container.kind === 144 /* MethodDeclaration */ || - container.kind === 143 /* MethodSignature */ || - container.kind === 146 /* GetAccessor */ || - container.kind === 147 /* SetAccessor */; - } - else { - return container.kind === 144 /* MethodDeclaration */ || - container.kind === 143 /* MethodSignature */ || - container.kind === 146 /* GetAccessor */ || - container.kind === 147 /* SetAccessor */ || - container.kind === 142 /* PropertyDeclaration */ || - container.kind === 141 /* PropertySignature */ || - container.kind === 145 /* Constructor */; - } - } - } - return false; - } - } - // Return contextual type of parameter or undefined if no contextual type is available - function getContextuallyTypedParameterType(parameter) { - var func = parameter.parent; - if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { - if (isContextSensitive(func)) { - var contextualSignature = getContextualSignature(func); - if (contextualSignature) { - var funcHasRestParameters = ts.hasRestParameter(func); - var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); - var indexOfParameter = ts.indexOf(func.parameters, parameter); - if (indexOfParameter < len) { - return getTypeAtPosition(contextualSignature, indexOfParameter); - } - // If last parameter is contextually rest parameter get its type - if (funcHasRestParameters && - indexOfParameter === (func.parameters.length - 1) && - isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { - return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); - } - } - } - } - return undefined; - } - // In a variable, parameter or property declaration with a type annotation, the contextual type of an initializer - // expression is the type of the variable, parameter or property. Otherwise, in a parameter declaration of a - // contextually typed function expression, the contextual type of an initializer expression is the contextual type - // of the parameter. Otherwise, in a variable or parameter declaration with a binding pattern name, the contextual - // type of an initializer expression is the type implied by the binding pattern. - function getContextualTypeForInitializerExpression(node) { - var declaration = node.parent; - if (node === declaration.initializer) { - if (declaration.type) { - return getTypeFromTypeNode(declaration.type); - } - if (declaration.kind === 139 /* Parameter */) { - var type = getContextuallyTypedParameterType(declaration); - if (type) { - return type; - } - } - if (ts.isBindingPattern(declaration.name)) { - return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true); - } - } - return undefined; - } - function getContextualTypeForReturnExpression(node) { - var func = ts.getContainingFunction(node); - if (func && !func.asteriskToken) { - return getContextualReturnType(func); - } - return undefined; - } - function getContextualTypeForYieldOperand(node) { - var func = ts.getContainingFunction(node); - if (func) { - var contextualReturnType = getContextualReturnType(func); - if (contextualReturnType) { - return node.asteriskToken - ? contextualReturnType - : getElementTypeOfIterableIterator(contextualReturnType); - } - } - return undefined; - } - function isInParameterInitializerBeforeContainingFunction(node) { - while (node.parent && !ts.isFunctionLike(node.parent)) { - if (node.parent.kind === 139 /* Parameter */ && node.parent.initializer === node) { - return true; - } - node = node.parent; - } - return false; - } - function getContextualReturnType(functionDecl) { - // If the containing function has a return type annotation, is a constructor, or is a get accessor whose - // corresponding set accessor has a type annotation, return statements in the function are contextually typed - if (functionDecl.type || - functionDecl.kind === 145 /* Constructor */ || - functionDecl.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147 /* SetAccessor */))) { - return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); - } - // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature - // and that call signature is non-generic, return statements are contextually typed by the return type of the signature - var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); - if (signature) { - return getReturnTypeOfSignature(signature); - } - return undefined; - } - // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter. - function getContextualTypeForArgument(callTarget, arg) { - var args = getEffectiveCallArguments(callTarget); - var argIndex = ts.indexOf(args, arg); - if (argIndex >= 0) { - var signature = getResolvedSignature(callTarget); - return getTypeAtPosition(signature, argIndex); - } - return undefined; - } - function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { - if (template.parent.kind === 173 /* TaggedTemplateExpression */) { - return getContextualTypeForArgument(template.parent, substitutionExpression); - } - return undefined; - } - function getContextualTypeForBinaryOperand(node) { - var binaryExpression = node.parent; - var operator = binaryExpression.operatorToken.kind; - if (operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { - // In an assignment expression, the right operand is contextually typed by the type of the left operand. - if (node === binaryExpression.right) { - return checkExpression(binaryExpression.left); - } - } - else if (operator === 52 /* BarBarToken */) { - // When an || expression has a contextual type, the operands are contextually typed by that type. When an || - // expression has no contextual type, the right operand is contextually typed by the type of the left operand. - var type = getContextualType(binaryExpression); - if (!type && node === binaryExpression.right) { - type = checkExpression(binaryExpression.left); - } - return type; - } - else if (operator === 51 /* AmpersandAmpersandToken */ || operator === 24 /* CommaToken */) { - if (node === binaryExpression.right) { - return getContextualType(binaryExpression); - } - } - return undefined; - } - // Apply a mapping function to a contextual type and return the resulting type. If the contextual type - // is a union type, the mapping function is applied to each constituent type and a union of the resulting - // types is returned. - function applyToContextualType(type, mapper) { - if (!(type.flags & 16384 /* Union */)) { - return mapper(type); - } - var types = type.types; - var mappedType; - var mappedTypes; - for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { - var current = types_8[_i]; - var t = mapper(current); - if (t) { - if (!mappedType) { - mappedType = t; - } - else if (!mappedTypes) { - mappedTypes = [mappedType, t]; - } - else { - mappedTypes.push(t); - } - } - } - return mappedTypes ? getUnionType(mappedTypes) : mappedType; - } - function getTypeOfPropertyOfContextualType(type, name) { - return applyToContextualType(type, function (t) { - var prop = t.flags & 130048 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; - return prop ? getTypeOfSymbol(prop) : undefined; - }); - } - function getIndexTypeOfContextualType(type, kind) { - return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); - } - function contextualTypeIsStringLiteralType(type) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); - } - // Return true if the given contextual type is a tuple-like type - function contextualTypeIsTupleLikeType(type) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); - } - // Return true if the given contextual type provides an index signature of the given kind - function contextualTypeHasIndexSignature(type, kind) { - return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); - } - // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of - // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one - // exists. Otherwise, it is the type of the string index signature in T, if one exists. - function getContextualTypeForObjectLiteralMethod(node) { - ts.Debug.assert(ts.isObjectLiteralMethod(node)); - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - return getContextualTypeForObjectLiteralElement(node); - } - function getContextualTypeForObjectLiteralElement(element) { - var objectLiteral = element.parent; - var type = getApparentTypeOfContextualType(objectLiteral); - if (type) { - if (!ts.hasDynamicName(element)) { - // For a (non-symbol) computed property, there is no reason to look up the name - // in the type. It will just be "__computed", which does not appear in any - // SymbolTable. - var symbolName = getSymbolOfNode(element).name; - var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); - if (propertyType) { - return propertyType; - } - } - return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1 /* Number */) || - getIndexTypeOfContextualType(type, 0 /* String */); - } - return undefined; - } - // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is - // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature, - // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated - // type of T. - function getContextualTypeForElementExpression(node) { - var arrayLiteral = node.parent; - var type = getApparentTypeOfContextualType(arrayLiteral); - if (type) { - var index = ts.indexOf(arrayLiteral.elements, node); - return getTypeOfPropertyOfContextualType(type, "" + index) - || getIndexTypeOfContextualType(type, 1 /* Number */) - || (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(type, /*errorNode*/ undefined) : undefined); - } - return undefined; - } - // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type. - function getContextualTypeForConditionalOperand(node) { - var conditional = node.parent; - return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; - } - function getContextualTypeForJsxAttribute(attribute) { - var kind = attribute.kind; - var jsxElement = attribute.parent; - var attrsType = getJsxElementAttributesType(jsxElement); - if (attribute.kind === 241 /* JsxAttribute */) { - if (!attrsType || isTypeAny(attrsType)) { - return undefined; - } - return getTypeOfPropertyOfType(attrsType, attribute.name.text); - } - else if (attribute.kind === 242 /* JsxSpreadAttribute */) { - return attrsType; - } - ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); - } - // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily - // be "pushed" onto a node using the contextualType property. - function getApparentTypeOfContextualType(node) { - var type = getContextualType(node); - return type && getApparentType(type); - } - /** - * Woah! Do you really want to use this function? - * - * Unless you're trying to get the *non-apparent* type for a - * value-literal type or you're authoring relevant portions of this algorithm, - * you probably meant to use 'getApparentTypeOfContextualType'. - * Otherwise this may not be very useful. - * - * In cases where you *are* working on this function, you should understand - * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContetxualType'. - * - * - Use 'getContextualType' when you are simply going to propagate the result to the expression. - * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type. - * - * @param node the expression whose contextual type will be returned. - * @returns the contextual type of an expression. - */ - function getContextualType(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - if (node.contextualType) { - return node.contextualType; - } - var parent = node.parent; - switch (parent.kind) { - case 214 /* VariableDeclaration */: - case 139 /* Parameter */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 166 /* BindingElement */: - return getContextualTypeForInitializerExpression(node); - case 177 /* ArrowFunction */: - case 207 /* ReturnStatement */: - return getContextualTypeForReturnExpression(node); - case 187 /* YieldExpression */: - return getContextualTypeForYieldOperand(parent); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return getContextualTypeForArgument(parent, node); - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return getTypeFromTypeNode(parent.type); - case 184 /* BinaryExpression */: - return getContextualTypeForBinaryOperand(node); - case 248 /* PropertyAssignment */: - return getContextualTypeForObjectLiteralElement(parent); - case 167 /* ArrayLiteralExpression */: - return getContextualTypeForElementExpression(node); - case 185 /* ConditionalExpression */: - return getContextualTypeForConditionalOperand(node); - case 193 /* TemplateSpan */: - ts.Debug.assert(parent.parent.kind === 186 /* TemplateExpression */); - return getContextualTypeForSubstitutionExpression(parent.parent, node); - case 175 /* ParenthesizedExpression */: - return getContextualType(parent); - case 243 /* JsxExpression */: - return getContextualType(parent); - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - return getContextualTypeForJsxAttribute(parent); - } - return undefined; - } - // If the given type is an object or union type, if that type has a single signature, and if - // that signature is non-generic, return the signature. Otherwise return undefined. - function getNonGenericSignature(type) { - var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); - if (signatures.length === 1) { - var signature = signatures[0]; - if (!signature.typeParameters) { - return signature; - } - } - } - function isFunctionExpressionOrArrowFunction(node) { - return node.kind === 176 /* FunctionExpression */ || node.kind === 177 /* ArrowFunction */; - } - function getContextualSignatureForFunctionLikeDeclaration(node) { - // Only function expressions, arrow functions, and object literal methods are contextually typed. - return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) - ? getContextualSignature(node) - : undefined; - } - // Return the contextual signature for a given expression node. A contextual type provides a - // contextual signature if it has a single call signature and if that call signature is non-generic. - // If the contextual type is a union type, get the signature from each type possible and if they are - // all identical ignoring their return type, the result is same signature but with return type as - // union type of return types from these signatures - function getContextualSignature(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - var type = ts.isObjectLiteralMethod(node) - ? getContextualTypeForObjectLiteralMethod(node) - : getApparentTypeOfContextualType(node); - if (!type) { - return undefined; - } - if (!(type.flags & 16384 /* Union */)) { - return getNonGenericSignature(type); - } - var signatureList; - var types = type.types; - for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { - var current = types_9[_i]; - var signature = getNonGenericSignature(current); - if (signature) { - if (!signatureList) { - // This signature will contribute to contextual union signature - signatureList = [signature]; - } - else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { - // Signatures aren't identical, do not use - return undefined; - } - else { - // Use this signature for contextual union signature - signatureList.push(signature); - } - } - } - // Result is union of signatures collected (return type is union of return types of this signature set) - var result; - if (signatureList) { - result = cloneSignature(signatureList[0]); - // Clear resolved return type we possibly got from cloneSignature - result.resolvedReturnType = undefined; - result.unionSignatures = signatureList; - } - return result; - } - /** - * Detect if the mapper implies an inference context. Specifically, there are 4 possible values - * for a mapper. Let's go through each one of them: - * - * 1. undefined - this means we are not doing inferential typing, but we may do contextual typing, - * which could cause us to assign a parameter a type - * 2. identityMapper - means we want to avoid assigning a parameter a type, whether or not we are in - * inferential typing (context is undefined for the identityMapper) - * 3. a mapper created by createInferenceMapper - we are doing inferential typing, we want to assign - * types to parameters and fix type parameters (context is defined) - * 4. an instantiation mapper created by createTypeMapper or createTypeEraser - this should never be - * passed as the contextual mapper when checking an expression (context is undefined for these) - * - * isInferentialContext is detecting if we are in case 3 - */ - function isInferentialContext(mapper) { - return mapper && mapper.context; - } - // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property - // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is - // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ p: a}] = xxx'. - function isAssignmentTarget(node) { - var parent = node.parent; - if (parent.kind === 184 /* BinaryExpression */ && parent.operatorToken.kind === 56 /* EqualsToken */ && parent.left === node) { - return true; - } - if (parent.kind === 248 /* PropertyAssignment */) { - return isAssignmentTarget(parent.parent); - } - if (parent.kind === 167 /* ArrayLiteralExpression */) { - return isAssignmentTarget(parent); - } - return false; - } - function checkSpreadElementExpression(node, contextualMapper) { - // It is usually not safe to call checkExpressionCached if we can be contextually typing. - // You can tell that we are contextually typing because of the contextualMapper parameter. - // While it is true that a spread element can have a contextual type, it does not do anything - // with this type. It is neither affected by it, nor does it propagate it to its operand. - // So the fact that contextualMapper is passed is not important, because the operand of a spread - // element is not contextually typed. - var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); - return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, /*allowStringInput*/ false); - } - function hasDefaultValue(node) { - return (node.kind === 166 /* BindingElement */ && !!node.initializer) || - (node.kind === 184 /* BinaryExpression */ && node.operatorToken.kind === 56 /* EqualsToken */); - } - function checkArrayLiteral(node, contextualMapper) { - var elements = node.elements; - var hasSpreadElement = false; - var elementTypes = []; - var inDestructuringPattern = isAssignmentTarget(node); - for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { - var e = elements_1[_i]; - if (inDestructuringPattern && e.kind === 188 /* SpreadElementExpression */) { - // Given the following situation: - // var c: {}; - // [...c] = ["", 0]; - // - // c is represented in the tree as a spread element in an array literal. - // But c really functions as a rest element, and its purpose is to provide - // a contextual type for the right hand side of the assignment. Therefore, - // instead of calling checkExpression on "...c", which will give an error - // if c is not iterable/array-like, we need to act as if we are trying to - // get the contextual element type from it. So we do something similar to - // getContextualTypeForElementExpression, which will crucially not error - // if there is no index type / iterated type. - var restArrayType = checkExpression(e.expression, contextualMapper); - var restElementType = getIndexTypeOfType(restArrayType, 1 /* Number */) || - (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(restArrayType, /*errorNode*/ undefined) : undefined); - if (restElementType) { - elementTypes.push(restElementType); - } - } - else { - var type = checkExpression(e, contextualMapper); - elementTypes.push(type); - } - hasSpreadElement = hasSpreadElement || e.kind === 188 /* SpreadElementExpression */; - } - if (!hasSpreadElement) { - // If array literal is actually a destructuring pattern, mark it as an implied type. We do this such - // that we get the same behavior for "var [x, y] = []" and "[x, y] = []". - if (inDestructuringPattern && elementTypes.length) { - var type = createNewTupleType(elementTypes); - type.pattern = node; - return type; - } - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { - var pattern = contextualType.pattern; - // If array literal is contextually typed by a binding pattern or an assignment pattern, pad the resulting - // tuple type with the corresponding binding or assignment element types to make the lengths equal. - if (pattern && (pattern.kind === 165 /* ArrayBindingPattern */ || pattern.kind === 167 /* ArrayLiteralExpression */)) { - var patternElements = pattern.elements; - for (var i = elementTypes.length; i < patternElements.length; i++) { - var patternElement = patternElements[i]; - if (hasDefaultValue(patternElement)) { - elementTypes.push(contextualType.elementTypes[i]); - } - else { - if (patternElement.kind !== 190 /* OmittedExpression */) { - error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - elementTypes.push(unknownType); - } - } - } - if (elementTypes.length) { - return createTupleType(elementTypes); - } - } - } - return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); - } - function isNumericName(name) { - return name.kind === 137 /* ComputedPropertyName */ ? isNumericComputedName(name) : isNumericLiteralName(name.text); - } - function isNumericComputedName(name) { - // It seems odd to consider an expression of type Any to result in a numeric name, - // but this behavior is consistent with checkIndexedAccess - return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132 /* NumberLike */); - } - function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { - return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); - } - function isNumericLiteralName(name) { - // The intent of numeric names is that - // - they are names with text in a numeric form, and that - // - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit', - // acquired by applying the abstract 'ToNumber' operation on the name's text. - // - // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name. - // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold. - // - // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)' - // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'. - // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names - // because their 'ToString' representation is not equal to their original text. - // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1. - // - // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'. - // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation. - // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number. - // - // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional. - // This is desired behavior, because when indexing with them as numeric entities, you are indexing - // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively. - return (+name).toString() === name; - } - function checkComputedPropertyName(node) { - var links = getNodeLinks(node.expression); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node.expression); - // This will allow types number, string, symbol or any. It will also allow enums, the unknown - // type, and any union of these types (like string | number). - if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */)) { - error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); - } - else { - checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, /*reportError*/ true); - } - } - return links.resolvedType; - } - function checkObjectLiteral(node, contextualMapper) { - var inDestructuringPattern = isAssignmentTarget(node); - // Grammar checking - checkGrammarObjectLiteralExpression(node, inDestructuringPattern); - var propertiesTable = {}; - var propertiesArray = []; - var contextualType = getApparentTypeOfContextualType(node); - var contextualTypeHasPattern = contextualType && contextualType.pattern && - (contextualType.pattern.kind === 164 /* ObjectBindingPattern */ || contextualType.pattern.kind === 168 /* ObjectLiteralExpression */); - var typeFlags = 0; - var patternWithComputedProperties = false; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var memberDecl = _a[_i]; - var member = memberDecl.symbol; - if (memberDecl.kind === 248 /* PropertyAssignment */ || - memberDecl.kind === 249 /* ShorthandPropertyAssignment */ || - ts.isObjectLiteralMethod(memberDecl)) { - var type = void 0; - if (memberDecl.kind === 248 /* PropertyAssignment */) { - type = checkPropertyAssignment(memberDecl, contextualMapper); - } - else if (memberDecl.kind === 144 /* MethodDeclaration */) { - type = checkObjectLiteralMethod(memberDecl, contextualMapper); - } - else { - ts.Debug.assert(memberDecl.kind === 249 /* ShorthandPropertyAssignment */); - type = checkExpression(memberDecl.name, contextualMapper); - } - typeFlags |= type.flags; - var prop = createSymbol(4 /* Property */ | 67108864 /* Transient */ | member.flags, member.name); - if (inDestructuringPattern) { - // If object literal is an assignment pattern and if the assignment pattern specifies a default value - // for the property, make the property optional. - var isOptional = (memberDecl.kind === 248 /* PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) || - (memberDecl.kind === 249 /* ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer); - if (isOptional) { - prop.flags |= 536870912 /* Optional */; - } - if (ts.hasDynamicName(memberDecl)) { - patternWithComputedProperties = true; - } - } - else if (contextualTypeHasPattern && !(contextualType.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */)) { - // If object literal is contextually typed by the implied type of a binding pattern, and if the - // binding pattern specifies a default value for the property, make the property optional. - var impliedProp = getPropertyOfType(contextualType, member.name); - if (impliedProp) { - prop.flags |= impliedProp.flags & 536870912 /* Optional */; - } - else if (!compilerOptions.suppressExcessPropertyErrors) { - error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); - } - } - prop.declarations = member.declarations; - prop.parent = member.parent; - if (member.valueDeclaration) { - prop.valueDeclaration = member.valueDeclaration; - } - prop.type = type; - prop.target = member; - member = prop; - } - else { - // TypeScript 1.0 spec (April 2014) - // A get accessor declaration is processed in the same manner as - // an ordinary function declaration(section 6.1) with no parameters. - // A set accessor declaration is processed in the same manner - // as an ordinary function declaration with a single parameter and a Void return type. - ts.Debug.assert(memberDecl.kind === 146 /* GetAccessor */ || memberDecl.kind === 147 /* SetAccessor */); - checkAccessorDeclaration(memberDecl); - } - if (!ts.hasDynamicName(memberDecl)) { - propertiesTable[member.name] = member; - } - propertiesArray.push(member); - } - // If object literal is contextually typed by the implied type of a binding pattern, augment the result - // type with those properties for which the binding pattern specifies a default value. - if (contextualTypeHasPattern) { - for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { - var prop = _c[_b]; - if (!ts.hasProperty(propertiesTable, prop.name)) { - if (!(prop.flags & 536870912 /* Optional */)) { - error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); - } - propertiesTable[prop.name] = prop; - propertiesArray.push(prop); - } - } - } - var stringIndexType = getIndexType(0 /* String */); - var numberIndexType = getIndexType(1 /* Number */); - var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); - var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576 /* FreshObjectLiteral */; - result.flags |= 524288 /* ObjectLiteral */ | 4194304 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 14680064 /* PropagatingFlags */) | (patternWithComputedProperties ? 67108864 /* ObjectLiteralPatternWithComputedProperties */ : 0); - if (inDestructuringPattern) { - result.pattern = node; - } - return result; - function getIndexType(kind) { - if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { - var propTypes = []; - for (var i = 0; i < propertiesArray.length; i++) { - var propertyDecl = node.properties[i]; - if (kind === 0 /* String */ || isNumericName(propertyDecl.name)) { - // Do not call getSymbolOfNode(propertyDecl), as that will get the - // original symbol for the node. We actually want to get the symbol - // created by checkObjectLiteral, since that will be appropriately - // contextually typed and resolved. - var type = getTypeOfSymbol(propertiesArray[i]); - if (!ts.contains(propTypes, type)) { - propTypes.push(type); - } - } - } - var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; - typeFlags |= result_1.flags; - return result_1; - } - return undefined; - } - } - function checkJsxSelfClosingElement(node) { - checkJsxOpeningLikeElement(node); - return jsxElementType || anyType; - } - function checkJsxElement(node) { - // Check attributes - checkJsxOpeningLikeElement(node.openingElement); - // Perform resolution on the closing tag so that rename/go to definition/etc work - getJsxElementTagSymbol(node.closingElement); - // Check children - for (var _i = 0, _a = node.children; _i < _a.length; _i++) { - var child = _a[_i]; - switch (child.kind) { - case 243 /* JsxExpression */: - checkJsxExpression(child); - break; - case 236 /* JsxElement */: - checkJsxElement(child); - break; - case 237 /* JsxSelfClosingElement */: - checkJsxSelfClosingElement(child); - break; - } - } - return jsxElementType || anyType; - } - /** - * Returns true iff the JSX element name would be a valid JS identifier, ignoring restrictions about keywords not being identifiers - */ - function isUnhyphenatedJsxName(name) { - // - is the only character supported in JSX attribute names that isn't valid in JavaScript identifiers - return name.indexOf("-") < 0; - } - /** - * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name - */ - function isJsxIntrinsicIdentifier(tagName) { - if (tagName.kind === 136 /* QualifiedName */) { - return false; - } - else { - return ts.isIntrinsicJsxName(tagName.text); - } - } - function checkJsxAttribute(node, elementAttributesType, nameTable) { - var correspondingPropType = undefined; - // Look up the corresponding property for this attribute - if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { - // If there is no 'props' property, you may not have non-"data-" attributes - error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); - } - else if (elementAttributesType && !isTypeAny(elementAttributesType)) { - var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); - correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); - if (isUnhyphenatedJsxName(node.name.text)) { - // Maybe there's a string indexer? - var indexerType = getIndexTypeOfType(elementAttributesType, 0 /* String */); - if (indexerType) { - correspondingPropType = indexerType; - } - else { - // If there's no corresponding property with this name, error - if (!correspondingPropType) { - error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); - return unknownType; - } - } - } - } - var exprType; - if (node.initializer) { - exprType = checkExpression(node.initializer); - } - else { - // is sugar for - exprType = booleanType; - } - if (correspondingPropType) { - checkTypeAssignableTo(exprType, correspondingPropType, node); - } - nameTable[node.name.text] = true; - return exprType; - } - function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { - var type = checkExpression(node.expression); - var props = getPropertiesOfType(type); - for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { - var prop = props_2[_i]; - // Is there a corresponding property in the element attributes type? Skip checking of properties - // that have already been assigned to, as these are not actually pushed into the resulting type - if (!nameTable[prop.name]) { - var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); - if (targetPropSym) { - var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); - checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); - } - nameTable[prop.name] = true; - } - } - return type; - } - function getJsxType(name) { - if (jsxTypes[name] === undefined) { - return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; - } - return jsxTypes[name]; - } - /// Given a JSX opening element or self-closing element, return the symbol of the property that the tag name points to if - /// this is an intrinsic tag. This might be a named - /// property of the IntrinsicElements interface, or its string indexer. - /// If this is a class-based tag (otherwise returns undefined), returns the symbol of the class - /// type or factory function. - /// Otherwise, returns unknownSymbol. - function getJsxElementTagSymbol(node) { - var links = getNodeLinks(node); - if (!links.resolvedSymbol) { - if (isJsxIntrinsicIdentifier(node.tagName)) { - links.resolvedSymbol = lookupIntrinsicTag(node); - } - else { - links.resolvedSymbol = lookupClassTag(node); - } - } - return links.resolvedSymbol; - function lookupIntrinsicTag(node) { - var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); - if (intrinsicElementsType !== unknownType) { - // Property case - var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); - if (intrinsicProp) { - links.jsxFlags |= 1 /* IntrinsicNamedElement */; - return intrinsicProp; - } - // Intrinsic string indexer case - var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */); - if (indexSignatureType) { - links.jsxFlags |= 2 /* IntrinsicIndexedElement */; - return intrinsicElementsType.symbol; - } - // Wasn't found - error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); - return unknownSymbol; - } - else { - if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); - } - return unknownSymbol; - } - } - function lookupClassTag(node) { - var valueSymbol = resolveJsxTagName(node); - // Look up the value in the current scope - if (valueSymbol && valueSymbol !== unknownSymbol) { - links.jsxFlags |= 4 /* ValueElement */; - if (valueSymbol.flags & 8388608 /* Alias */) { - markAliasSymbolAsReferenced(valueSymbol); - } - } - return valueSymbol || unknownSymbol; - } - function resolveJsxTagName(node) { - if (node.tagName.kind === 69 /* Identifier */) { - var tag = node.tagName; - var sym = getResolvedSymbol(tag); - return sym.exportSymbol || sym; - } - else { - return checkQualifiedName(node.tagName).symbol; - } - } - } - /** - * Given a JSX element that is a class element, finds the Element Instance Type. If the - * element is not a class element, or the class element type cannot be determined, returns 'undefined'. - * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). - */ - function getJsxElementInstanceType(node) { - // There is no such thing as an instance type for a non-class element. This - // line shouldn't be hit. - ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4 /* ValueElement */), "Should not call getJsxElementInstanceType on non-class Element"); - var classSymbol = getJsxElementTagSymbol(node); - if (classSymbol === unknownSymbol) { - // Couldn't find the class instance type. Error has already been issued - return anyType; - } - var valueType = getTypeOfSymbol(classSymbol); - if (isTypeAny(valueType)) { - // Short-circuit if the class tag is using an element type 'any' - return anyType; - } - // Resolve the signatures, preferring constructors - var signatures = getSignaturesOfType(valueType, 1 /* Construct */); - if (signatures.length === 0) { - // No construct signatures, try call signatures - signatures = getSignaturesOfType(valueType, 0 /* Call */); - if (signatures.length === 0) { - // We found no signatures at all, which is an error - error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); - return unknownType; - } - } - return getUnionType(signatures.map(getReturnTypeOfSignature)); - } - /// e.g. "props" for React.d.ts, - /// or 'undefined' if ElementAttributesPropery doesn't exist (which means all - /// non-intrinsic elements' attributes type is 'any'), - /// or '' if it has 0 properties (which means every - /// non-instrinsic elements' attributes type is the element instance type) - function getJsxElementPropertiesName() { - // JSX - var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); - // JSX.ElementAttributesProperty [symbol] - var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056 /* Type */); - // JSX.ElementAttributesProperty [type] - var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); - // The properites of JSX.ElementAttributesProperty - var attribProperties = attribPropType && getPropertiesOfType(attribPropType); - if (attribProperties) { - // Element Attributes has zero properties, so the element attributes type will be the class instance type - if (attribProperties.length === 0) { - return ""; - } - else if (attribProperties.length === 1) { - return attribProperties[0].name; - } - else { - error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); - return undefined; - } - } - else { - // No interface exists, so the element attributes type will be an implicit any - return undefined; - } - } - /** - * Given an opening/self-closing element, get the 'element attributes type', i.e. the type that tells - * us which attributes are valid on a given element. - */ - function getJsxElementAttributesType(node) { - var links = getNodeLinks(node); - if (!links.resolvedJsxType) { - var sym = getJsxElementTagSymbol(node); - if (links.jsxFlags & 4 /* ValueElement */) { - // Get the element instance type (the result of newing or invoking this tag) - var elemInstanceType = getJsxElementInstanceType(node); - var elemClassType = getJsxGlobalElementClassType(); - if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { - // Is this is a stateless function component? See if its single signature's return type is - // assignable to the JSX Element Type - var elemType = getTypeOfSymbol(sym); - var callSignatures = elemType && getSignaturesOfType(elemType, 0 /* Call */); - var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; - var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); - var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); - if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { - // Intersect in JSX.IntrinsicAttributes if it exists - var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttributes !== unknownType) { - paramType = intersectTypes(intrinsicAttributes, paramType); - } - return links.resolvedJsxType = paramType; - } - } - // Issue an error if this return type isn't assignable to JSX.ElementClass - if (elemClassType) { - checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); - } - if (isTypeAny(elemInstanceType)) { - return links.resolvedJsxType = elemInstanceType; - } - var propsName = getJsxElementPropertiesName(); - if (propsName === undefined) { - // There is no type ElementAttributesProperty, return 'any' - return links.resolvedJsxType = anyType; - } - else if (propsName === "") { - // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead - return links.resolvedJsxType = elemInstanceType; - } - else { - var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); - if (!attributesType) { - // There is no property named 'props' on this instance type - return links.resolvedJsxType = emptyObjectType; - } - else if (isTypeAny(attributesType) || (attributesType === unknownType)) { - // Props is of type 'any' or unknown - return links.resolvedJsxType = attributesType; - } - else if (attributesType.flags & 16384 /* Union */) { - // Props cannot be a union type - error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); - return links.resolvedJsxType = anyType; - } - else { - // Normal case -- add in IntrinsicClassElements and IntrinsicElements - var apparentAttributesType = attributesType; - var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); - if (intrinsicClassAttribs !== unknownType) { - var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); - if (typeParams) { - if (typeParams.length === 1) { - apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); - } - } - else { - apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); - } - } - var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); - if (intrinsicAttribs !== unknownType) { - apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); - } - return links.resolvedJsxType = apparentAttributesType; - } - } - } - else if (links.jsxFlags & 1 /* IntrinsicNamedElement */) { - return links.resolvedJsxType = getTypeOfSymbol(sym); - } - else if (links.jsxFlags & 2 /* IntrinsicIndexedElement */) { - return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0 /* String */); - } - else { - // Resolution failed, so we don't know - return links.resolvedJsxType = anyType; - } - } - return links.resolvedJsxType; - } - /** - * Given a JSX attribute, returns the symbol for the corresponds property - * of the element attributes type. Will return unknownSymbol for attributes - * that have no matching element attributes type property. - */ - function getJsxAttributePropertySymbol(attrib) { - var attributesType = getJsxElementAttributesType(attrib.parent); - var prop = getPropertyOfType(attributesType, attrib.name.text); - return prop || unknownSymbol; - } - function getJsxGlobalElementClassType() { - if (!jsxElementClassType) { - jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); - } - return jsxElementClassType; - } - /// Returns all the properties of the Jsx.IntrinsicElements interface - function getJsxIntrinsicTagNames() { - var intrinsics = getJsxType(JsxNames.IntrinsicElements); - return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; - } - function checkJsxPreconditions(errorNode) { - // Preconditions for using JSX - if ((compilerOptions.jsx || 0 /* None */) === 0 /* None */) { - error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); - } - if (jsxElementType === undefined) { - if (compilerOptions.noImplicitAny) { - error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); - } - } - } - function checkJsxOpeningLikeElement(node) { - checkGrammarJsxElement(node); - checkJsxPreconditions(node); - // The reactNamespace symbol should be marked as 'used' so we don't incorrectly elide its import. And if there - // is no reactNamespace symbol in scope when targeting React emit, we should issue an error. - var reactRefErr = compilerOptions.jsx === 2 /* React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined; - var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); - if (reactSym) { - getSymbolLinks(reactSym).referenced = true; - } - var targetAttributesType = getJsxElementAttributesType(node); - var nameTable = {}; - // Process this array in right-to-left order so we know which - // attributes (mostly from spreads) are being overwritten and - // thus should have their types ignored - var sawSpreadedAny = false; - for (var i = node.attributes.length - 1; i >= 0; i--) { - if (node.attributes[i].kind === 241 /* JsxAttribute */) { - checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); - } - else { - ts.Debug.assert(node.attributes[i].kind === 242 /* JsxSpreadAttribute */); - var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); - if (isTypeAny(spreadType)) { - sawSpreadedAny = true; - } - } - } - // Check that all required properties have been provided. If an 'any' - // was spreaded in, though, assume that it provided all required properties - if (targetAttributesType && !sawSpreadedAny) { - var targetProperties = getPropertiesOfType(targetAttributesType); - for (var i = 0; i < targetProperties.length; i++) { - if (!(targetProperties[i].flags & 536870912 /* Optional */) && - nameTable[targetProperties[i].name] === undefined) { - error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); - } - } - } - } - function checkJsxExpression(node) { - if (node.expression) { - return checkExpression(node.expression); - } - else { - return unknownType; - } - } - // If a symbol is a synthesized symbol with no value declaration, we assume it is a property. Example of this are the synthesized - // '.prototype' property as well as synthesized tuple index properties. - function getDeclarationKindFromSymbol(s) { - return s.valueDeclaration ? s.valueDeclaration.kind : 142 /* PropertyDeclaration */; - } - function getDeclarationFlagsFromSymbol(s) { - return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 /* Prototype */ ? 8 /* Public */ | 64 /* Static */ : 0; - } - /** - * Check whether the requested property access is valid. - * Returns true if node is a valid property access, and false otherwise. - * @param node The node to be checked. - * @param left The left hand side of the property access (e.g.: the super in `super.foo`). - * @param type The type of left. - * @param prop The symbol for the right hand side of the property access. - */ - function checkClassPropertyAccess(node, left, type, prop) { - var flags = getDeclarationFlagsFromSymbol(prop); - var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); - if (left.kind === 95 /* SuperKeyword */) { - var errorNode = node.kind === 169 /* PropertyAccessExpression */ ? - node.name : - node.right; - // TS 1.0 spec (April 2014): 4.8.2 - // - In a constructor, instance member function, instance member accessor, or - // instance member variable initializer where this references a derived class instance, - // a super property access is permitted and must specify a public instance member function of the base class. - // - In a static member function or static member accessor - // where this references the constructor function object of a derived class, - // a super property access is permitted and must specify a public static member function of the base class. - if (languageVersion < 2 /* ES6 */ && getDeclarationKindFromSymbol(prop) !== 144 /* MethodDeclaration */) { - // `prop` refers to a *property* declared in the super class - // rather than a *method*, so it does not satisfy the above criteria. - error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); - return false; - } - if (flags & 128 /* Abstract */) { - // A method cannot be accessed in a super property access if the method is abstract. - // This error could mask a private property access error. But, a member - // cannot simultaneously be private and abstract, so this will trigger an - // additional error elsewhere. - error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); - return false; - } - } - // Public properties are otherwise accessible. - if (!(flags & (16 /* Private */ | 32 /* Protected */))) { - return true; - } - // Property is known to be private or protected at this point - // Get the declaring and enclosing class instance types - var enclosingClassDeclaration = ts.getContainingClass(node); - var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; - // Private property is accessible if declaring and enclosing class are the same - if (flags & 16 /* Private */) { - if (declaringClass !== enclosingClass) { - error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); - return false; - } - return true; - } - // Property is known to be protected at this point - // All protected properties of a supertype are accessible in a super access - if (left.kind === 95 /* SuperKeyword */) { - return true; - } - // A protected property is accessible in the declaring class and classes derived from it - if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); - return false; - } - // No further restrictions for static properties - if (flags & 64 /* Static */) { - return true; - } - // An instance property must be accessed through an instance of the enclosing class - if (type.flags & 33554432 /* ThisType */) { - // get the original type -- represented as the type constraint of the 'this' type - type = getConstraintOfTypeParameter(type); - } - // TODO: why is the first part of this check here? - if (!(getTargetType(type).flags & (1024 /* Class */ | 2048 /* Interface */) && hasBaseType(type, enclosingClass))) { - error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); - return false; - } - return true; - } - function checkPropertyAccessExpression(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); - } - function checkQualifiedName(node) { - return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); - } - function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { - var type = checkExpression(left); - if (isTypeAny(type)) { - return type; - } - var apparentType = getApparentType(getWidenedType(type)); - if (apparentType === unknownType) { - // handle cases when type is Type parameter with invalid constraint - return unknownType; - } - var prop = getPropertyOfType(apparentType, right.text); - if (!prop) { - if (right.text) { - error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 /* ThisType */ ? apparentType : type)); - } - return unknownType; - } - getNodeLinks(node).resolvedSymbol = prop; - if (prop.parent && prop.parent.flags & 32 /* Class */) { - checkClassPropertyAccess(node, left, apparentType, prop); - } - return getTypeOfSymbol(prop); - } - function isValidPropertyAccess(node, propertyName) { - var left = node.kind === 169 /* PropertyAccessExpression */ - ? node.expression - : node.left; - var type = checkExpression(left); - if (type !== unknownType && !isTypeAny(type)) { - var prop = getPropertyOfType(getWidenedType(type), propertyName); - if (prop && prop.parent && prop.parent.flags & 32 /* Class */) { - return checkClassPropertyAccess(node, left, type, prop); - } - } - return true; - } - /** - * Return the symbol of the for-in variable declared or referenced by the given for-in statement. - */ - function getForInVariableSymbol(node) { - var initializer = node.initializer; - if (initializer.kind === 215 /* VariableDeclarationList */) { - var variable = initializer.declarations[0]; - if (variable && !ts.isBindingPattern(variable.name)) { - return getSymbolOfNode(variable); - } - } - else if (initializer.kind === 69 /* Identifier */) { - return getResolvedSymbol(initializer); - } - return undefined; - } - /** - * Return true if the given type is considered to have numeric property names. - */ - function hasNumericPropertyNames(type) { - return getIndexTypeOfType(type, 1 /* Number */) && !getIndexTypeOfType(type, 0 /* String */); - } - /** - * Return true if given node is an expression consisting of an identifier (possibly parenthesized) - * that references a for-in variable for an object with numeric property names. - */ - function isForInVariableForNumericPropertyNames(expr) { - var e = skipParenthesizedNodes(expr); - if (e.kind === 69 /* Identifier */) { - var symbol = getResolvedSymbol(e); - if (symbol.flags & 3 /* Variable */) { - var child = expr; - var node = expr.parent; - while (node) { - if (node.kind === 203 /* ForInStatement */ && - child === node.statement && - getForInVariableSymbol(node) === symbol && - hasNumericPropertyNames(checkExpression(node.expression))) { - return true; - } - child = node; - node = node.parent; - } - } - } - return false; - } - function checkIndexedAccess(node) { - // Grammar checking - if (!node.argumentExpression) { - var sourceFile = ts.getSourceFileOfNode(node); - if (node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node) { - var start = ts.skipTrivia(sourceFile.text, node.expression.end); - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); - } - else { - var start = node.end - "]".length; - var end = node.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); - } - } - // Obtain base constraint such that we can bail out if the constraint is an unknown type - var objectType = getApparentType(checkExpression(node.expression)); - var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; - if (objectType === unknownType) { - return unknownType; - } - var isConstEnum = isConstEnumObjectType(objectType); - if (isConstEnum && - (!node.argumentExpression || node.argumentExpression.kind !== 9 /* StringLiteral */)) { - error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); - return unknownType; - } - // TypeScript 1.0 spec (April 2014): 4.10 Property Access - // - If IndexExpr is a string literal or a numeric literal and ObjExpr's apparent type has a property with the name - // given by that literal(converted to its string representation in the case of a numeric literal), the property access is of the type of that property. - // - Otherwise, if ObjExpr's apparent type has a numeric index signature and IndexExpr is of type Any, the Number primitive type, or an enum type, - // the property access is of the type of that index signature. - // - Otherwise, if ObjExpr's apparent type has a string index signature and IndexExpr is of type Any, the String or Number primitive type, or an enum type, - // the property access is of the type of that index signature. - // - Otherwise, if IndexExpr is of type Any, the String or Number primitive type, or an enum type, the property access is of type Any. - // See if we can index as a property. - if (node.argumentExpression) { - var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); - if (name_11 !== undefined) { - var prop = getPropertyOfType(objectType, name_11); - if (prop) { - getNodeLinks(node).resolvedSymbol = prop; - return getTypeOfSymbol(prop); - } - else if (isConstEnum) { - error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); - return unknownType; - } - } - } - // Check for compatible indexer types. - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { - // Try to use a number indexer. - if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132 /* NumberLike */) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { - var numberIndexType = getIndexTypeOfType(objectType, 1 /* Number */); - if (numberIndexType) { - return numberIndexType; - } - } - // Try to use string indexing. - var stringIndexType = getIndexTypeOfType(objectType, 0 /* String */); - if (stringIndexType) { - return stringIndexType; - } - // Fall back to any. - if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { - error(node, getIndexTypeOfType(objectType, 1 /* Number */) ? - ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : - ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); - } - return anyType; - } - // REVIEW: Users should know the type that was actually used. - error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); - return unknownType; - } - /** - * If indexArgumentExpression is a string literal or number literal, returns its text. - * If indexArgumentExpression is a constant value, returns its string value. - * If indexArgumentExpression is a well known symbol, returns the property name corresponding - * to this symbol, as long as it is a proper symbol reference. - * Otherwise, returns undefined. - */ - function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { - if (indexArgumentExpression.kind === 9 /* StringLiteral */ || indexArgumentExpression.kind === 8 /* NumericLiteral */) { - return indexArgumentExpression.text; - } - if (indexArgumentExpression.kind === 170 /* ElementAccessExpression */ || indexArgumentExpression.kind === 169 /* PropertyAccessExpression */) { - var value = getConstantValue(indexArgumentExpression); - if (value !== undefined) { - return value.toString(); - } - } - if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, /*reportError*/ false)) { - var rightHandSideName = indexArgumentExpression.name.text; - return ts.getPropertyNameForKnownSymbolName(rightHandSideName); - } - return undefined; - } - /** - * A proper symbol reference requires the following: - * 1. The property access denotes a property that exists - * 2. The expression is of the form Symbol. - * 3. The property access is of the primitive type symbol. - * 4. Symbol in this context resolves to the global Symbol object - */ - function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { - if (expressionType === unknownType) { - // There is already an error, so no need to report one. - return false; - } - if (!ts.isWellKnownSymbolSyntactically(expression)) { - return false; - } - // Make sure the property type is the primitive symbol type - if ((expressionType.flags & 16777216 /* ESSymbol */) === 0) { - if (reportError) { - error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); - } - return false; - } - // The name is Symbol., so make sure Symbol actually resolves to the - // global Symbol object - var leftHandSide = expression.expression; - var leftHandSideSymbol = getResolvedSymbol(leftHandSide); - if (!leftHandSideSymbol) { - return false; - } - var globalESSymbol = getGlobalESSymbolConstructorSymbol(); - if (!globalESSymbol) { - // Already errored when we tried to look up the symbol - return false; - } - if (leftHandSideSymbol !== globalESSymbol) { - if (reportError) { - error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); - } - return false; - } - return true; - } - function resolveUntypedCall(node) { - if (node.kind === 173 /* TaggedTemplateExpression */) { - checkExpression(node.template); - } - else if (node.kind !== 140 /* Decorator */) { - ts.forEach(node.arguments, function (argument) { - checkExpression(argument); - }); - } - return anySignature; - } - function resolveErrorCall(node) { - resolveUntypedCall(node); - return unknownSignature; - } - // Re-order candidate signatures into the result array. Assumes the result array to be empty. - // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order - // A nit here is that we reorder only signatures that belong to the same symbol, - // so order how inherited signatures are processed is still preserved. - // interface A { (x: string): void } - // interface B extends A { (x: 'foo'): string } - // const b: B; - // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void] - function reorderCandidates(signatures, result) { - var lastParent; - var lastSymbol; - var cutoffIndex = 0; - var index; - var specializedIndex = -1; - var spliceIndex; - ts.Debug.assert(!result.length); - for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { - var signature = signatures_2[_i]; - var symbol = signature.declaration && getSymbolOfNode(signature.declaration); - var parent_6 = signature.declaration && signature.declaration.parent; - if (!lastSymbol || symbol === lastSymbol) { - if (lastParent && parent_6 === lastParent) { - index++; - } - else { - lastParent = parent_6; - index = cutoffIndex; - } - } - else { - // current declaration belongs to a different symbol - // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex - index = cutoffIndex = result.length; - lastParent = parent_6; - } - lastSymbol = symbol; - // specialized signatures always need to be placed before non-specialized signatures regardless - // of the cutoff position; see GH#1133 - if (signature.hasStringLiterals) { - specializedIndex++; - spliceIndex = specializedIndex; - // The cutoff index always needs to be greater than or equal to the specialized signature index - // in order to prevent non-specialized signatures from being added before a specialized - // signature. - cutoffIndex++; - } - else { - spliceIndex = index; - } - result.splice(spliceIndex, 0, signature); - } - } - function getSpreadArgumentIndex(args) { - for (var i = 0; i < args.length; i++) { - var arg = args[i]; - if (arg && arg.kind === 188 /* SpreadElementExpression */) { - return i; - } - } - return -1; - } - function hasCorrectArity(node, args, signature) { - var adjustedArgCount; // Apparent number of arguments we will have in this call - var typeArguments; // Type arguments (undefined if none) - var callIsIncomplete; // In incomplete call we want to be lenient when we have too few arguments - var isDecorator; - var spreadArgIndex = -1; - if (node.kind === 173 /* TaggedTemplateExpression */) { - var tagExpression = node; - // Even if the call is incomplete, we'll have a missing expression as our last argument, - // so we can say the count is just the arg list length - adjustedArgCount = args.length; - typeArguments = undefined; - if (tagExpression.template.kind === 186 /* TemplateExpression */) { - // If a tagged template expression lacks a tail literal, the call is incomplete. - // Specifically, a template only can end in a TemplateTail or a Missing literal. - var templateExpression = tagExpression.template; - var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); - ts.Debug.assert(lastSpan !== undefined); // we should always have at least one span. - callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; - } - else { - // If the template didn't end in a backtick, or its beginning occurred right prior to EOF, - // then this might actually turn out to be a TemplateHead in the future; - // so we consider the call to be incomplete. - var templateLiteral = tagExpression.template; - ts.Debug.assert(templateLiteral.kind === 11 /* NoSubstitutionTemplateLiteral */); - callIsIncomplete = !!templateLiteral.isUnterminated; - } - } - else if (node.kind === 140 /* Decorator */) { - isDecorator = true; - typeArguments = undefined; - adjustedArgCount = getEffectiveArgumentCount(node, /*args*/ undefined, signature); - } - else { - var callExpression = node; - if (!callExpression.arguments) { - // This only happens when we have something of the form: 'new C' - ts.Debug.assert(callExpression.kind === 172 /* NewExpression */); - return signature.minArgumentCount === 0; - } - // For IDE scenarios we may have an incomplete call, so a trailing comma is tantamount to adding another argument. - adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; - // If we are missing the close paren, the call is incomplete. - callIsIncomplete = callExpression.arguments.end === callExpression.end; - typeArguments = callExpression.typeArguments; - spreadArgIndex = getSpreadArgumentIndex(args); - } - // If the user supplied type arguments, but the number of type arguments does not match - // the declared number of type parameters, the call has an incorrect arity. - var hasRightNumberOfTypeArgs = !typeArguments || - (signature.typeParameters && typeArguments.length === signature.typeParameters.length); - if (!hasRightNumberOfTypeArgs) { - return false; - } - // If spread arguments are present, check that they correspond to a rest parameter. If so, no - // further checking is necessary. - if (spreadArgIndex >= 0) { - return isRestParameterIndex(signature, spreadArgIndex); - } - // Too many arguments implies incorrect arity. - if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { - return false; - } - // If the call is incomplete, we should skip the lower bound check. - var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; - return callIsIncomplete || hasEnoughArguments; - } - // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. - function getSingleCallSignature(type) { - if (type.flags & 80896 /* ObjectType */) { - var resolved = resolveStructuredTypeMembers(type); - if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && - resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { - return resolved.callSignatures[0]; - } - } - return undefined; - } - // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec) - function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { - var context = createInferenceContext(signature.typeParameters, /*inferUnionTypes*/ true); - forEachMatchingParameterType(contextualSignature, signature, function (source, target) { - // Type parameters from outer context referenced by source type are fixed by instantiation of the source type - inferTypes(context, instantiateType(source, contextualMapper), target); - }); - return getSignatureInstantiation(signature, getInferredTypes(context)); - } - function inferTypeArguments(node, signature, args, excludeArgument, context) { - var typeParameters = signature.typeParameters; - var inferenceMapper = getInferenceMapper(context); - // Clear out all the inference results from the last time inferTypeArguments was called on this context - for (var i = 0; i < typeParameters.length; i++) { - // As an optimization, we don't have to clear (and later recompute) inferred types - // for type parameters that have already been fixed on the previous call to inferTypeArguments. - // It would be just as correct to reset all of them. But then we'd be repeating the same work - // for the type parameters that were fixed, namely the work done by getInferredType. - if (!context.inferences[i].isFixed) { - context.inferredTypes[i] = undefined; - } - } - // On this call to inferTypeArguments, we may get more inferences for certain type parameters that were not - // fixed last time. This means that a type parameter that failed inference last time may succeed this time, - // or vice versa. Therefore, the failedTypeParameterIndex is useless if it points to an unfixed type parameter, - // because it may change. So here we reset it. However, getInferredType will not revisit any type parameters - // that were previously fixed. So if a fixed type parameter failed previously, it will fail again because - // it will contain the exact same set of inferences. So if we reset the index from a fixed type parameter, - // we will lose information that we won't recover this time around. - if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { - context.failedTypeParameterIndex = undefined; - } - // We perform two passes over the arguments. In the first pass we infer from all arguments, but use - // wildcards for all context sensitive function expressions. - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. - if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - // If the effective argument type is 'undefined', there is no synthetic type - // for the argument. In that case, we should check the argument. - if (argType === undefined) { - // For context sensitive arguments we pass the identityMapper, which is a signal to treat all - // context sensitive function expressions as wildcards - var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; - argType = checkExpressionWithContextualType(arg, paramType, mapper); - } - inferTypes(context, argType, paramType); - } - } - // In the second pass we visit only context sensitive arguments, and only those that aren't excluded, this - // time treating function expressions normally (which may cause previously inferred type arguments to be fixed - // as we construct types for contextually typed parameters) - // Decorators will not have `excludeArgument`, as their arguments cannot be contextually typed. - // Tagged template expressions will always have `undefined` for `excludeArgument[0]`. - if (excludeArgument) { - for (var i = 0; i < argCount; i++) { - // No need to check for omitted args and template expressions, their exlusion value is always undefined - if (excludeArgument[i] === false) { - var arg = args[i]; - var paramType = getTypeAtPosition(signature, i); - inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); - } - } - } - getInferredTypes(context); - } - function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { - var typeParameters = signature.typeParameters; - var typeArgumentsAreAssignable = true; - var mapper; - for (var i = 0; i < typeParameters.length; i++) { - if (typeArgumentsAreAssignable /* so far */) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - var errorInfo = void 0; - var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; - if (reportErrors && headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); - typeArgumentHeadMessage = headMessage; - } - if (!mapper) { - mapper = createTypeMapper(typeParameters, typeArgumentTypes); - } - var typeArgument = typeArgumentTypes[i]; - typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); - } - } - } - return typeArgumentsAreAssignable; - } - function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { - var argCount = getEffectiveArgumentCount(node, args, signature); - for (var i = 0; i < argCount; i++) { - var arg = getEffectiveArgument(node, args, i); - // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. - if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { - // Check spread elements against rest type (from arity check we know spread argument corresponds to a rest parameter) - var paramType = getTypeAtPosition(signature, i); - var argType = getEffectiveArgumentType(node, i, arg); - // If the effective argument type is 'undefined', there is no synthetic type - // for the argument. In that case, we should check the argument. - if (argType === undefined) { - argType = arg.kind === 9 /* StringLiteral */ && !reportErrors - ? getStringLiteralTypeForText(arg.text) - : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); - } - // Use argument expression as error location when reporting errors - var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; - var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; - if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { - return false; - } - } - } - return true; - } - /** - * Returns the effective arguments for an expression that works like a function invocation. - * - * If 'node' is a CallExpression or a NewExpression, then its argument list is returned. - * If 'node' is a TaggedTemplateExpression, a new argument list is constructed from the substitution - * expressions, where the first element of the list is `undefined`. - * If 'node' is a Decorator, the argument list will be `undefined`, and its arguments and types - * will be supplied from calls to `getEffectiveArgumentCount` and `getEffectiveArgumentType`. - */ - function getEffectiveCallArguments(node) { - var args; - if (node.kind === 173 /* TaggedTemplateExpression */) { - var template = node.template; - args = [undefined]; - if (template.kind === 186 /* TemplateExpression */) { - ts.forEach(template.templateSpans, function (span) { - args.push(span.expression); - }); - } - } - else if (node.kind === 140 /* Decorator */) { - // For a decorator, we return undefined as we will determine - // the number and types of arguments for a decorator using - // `getEffectiveArgumentCount` and `getEffectiveArgumentType` below. - return undefined; - } - else { - args = node.arguments || emptyArray; - } - return args; - } - /** - * Returns the effective argument count for a node that works like a function invocation. - * If 'node' is a Decorator, the number of arguments is derived from the decoration - * target and the signature: - * If 'node.target' is a class declaration or class expression, the effective argument - * count is 1. - * If 'node.target' is a parameter declaration, the effective argument count is 3. - * If 'node.target' is a property declaration, the effective argument count is 2. - * If 'node.target' is a method or accessor declaration, the effective argument count - * is 3, although it can be 2 if the signature only accepts two arguments, allowing - * us to match a property decorator. - * Otherwise, the argument count is the length of the 'args' array. - */ - function getEffectiveArgumentCount(node, args, signature) { - if (node.kind === 140 /* Decorator */) { - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - // A class decorator will have one argument (see `ClassDecorator` in core.d.ts) - return 1; - case 142 /* PropertyDeclaration */: - // A property declaration decorator will have two arguments (see - // `PropertyDecorator` in core.d.ts) - return 2; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - // A method or accessor declaration decorator will have two or three arguments (see - // `PropertyDecorator` and `MethodDecorator` in core.d.ts) - // If we are emitting decorators for ES3, we will only pass two arguments. - if (languageVersion === 0 /* ES3 */) { - return 2; - } - // If the method decorator signature only accepts a target and a key, we will only - // type check those arguments. - return signature.parameters.length >= 3 ? 3 : 2; - case 139 /* Parameter */: - // A parameter declaration decorator will have three arguments (see - // `ParameterDecorator` in core.d.ts) - return 3; - } - } - else { - return args.length; - } - } - /** - * Returns the effective type of the first argument to a decorator. - * If 'node' is a class declaration or class expression, the effective argument type - * is the type of the static side of the class. - * If 'node' is a parameter declaration, the effective argument type is either the type - * of the static or instance side of the class for the parameter's parent method, - * depending on whether the method is declared static. - * For a constructor, the type is always the type of the static side of the class. - * If 'node' is a property, method, or accessor declaration, the effective argument - * type is the type of the static or instance side of the parent class for class - * element, depending on whether the element is declared static. - */ - function getEffectiveDecoratorFirstArgumentType(node) { - // The first argument to a decorator is its `target`. - if (node.kind === 217 /* ClassDeclaration */) { - // For a class decorator, the `target` is the type of the class (e.g. the - // "static" or "constructor" side of the class) - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - if (node.kind === 139 /* Parameter */) { - // For a parameter decorator, the `target` is the parent type of the - // parameter's containing method. - node = node.parent; - if (node.kind === 145 /* Constructor */) { - var classSymbol = getSymbolOfNode(node); - return getTypeOfSymbol(classSymbol); - } - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // For a property or method decorator, the `target` is the - // "static"-side type of the parent of the member if the member is - // declared "static"; otherwise, it is the "instance"-side type of the - // parent of the member. - return getParentTypeOfClassElement(node); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective type for the second argument to a decorator. - * If 'node' is a parameter, its effective argument type is one of the following: - * If 'node.parent' is a constructor, the effective argument type is 'any', as we - * will emit `undefined`. - * If 'node.parent' is a member with an identifier, numeric, or string literal name, - * the effective argument type will be a string literal type for the member name. - * If 'node.parent' is a computed property name, the effective argument type will - * either be a symbol type or the string type. - * If 'node' is a member with an identifier, numeric, or string literal name, the - * effective argument type will be a string literal type for the member name. - * If 'node' is a computed property name, the effective argument type will either - * be a symbol type or the string type. - * A class decorator does not have a second argument type. - */ - function getEffectiveDecoratorSecondArgumentType(node) { - // The second argument to a decorator is its `propertyKey` - if (node.kind === 217 /* ClassDeclaration */) { - ts.Debug.fail("Class decorators should not have a second synthetic argument."); - return unknownType; - } - if (node.kind === 139 /* Parameter */) { - node = node.parent; - if (node.kind === 145 /* Constructor */) { - // For a constructor parameter decorator, the `propertyKey` will be `undefined`. - return anyType; - } - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // The `propertyKey` for a property or method decorator will be a - // string literal type if the member name is an identifier, number, or string; - // otherwise, if the member name is a computed property name it will - // be either string or symbol. - var element = node; - switch (element.name.kind) { - case 69 /* Identifier */: - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - return getStringLiteralTypeForText(element.name.text); - case 137 /* ComputedPropertyName */: - var nameType = checkComputedPropertyName(element.name); - if (allConstituentTypesHaveKind(nameType, 16777216 /* ESSymbol */)) { - return nameType; - } - else { - return stringType; - } - default: - ts.Debug.fail("Unsupported property name."); - return unknownType; - } - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective argument type for the third argument to a decorator. - * If 'node' is a parameter, the effective argument type is the number type. - * If 'node' is a method or accessor, the effective argument type is a - * `TypedPropertyDescriptor` instantiated with the type of the member. - * Class and property decorators do not have a third effective argument. - */ - function getEffectiveDecoratorThirdArgumentType(node) { - // The third argument to a decorator is either its `descriptor` for a method decorator - // or its `parameterIndex` for a paramter decorator - if (node.kind === 217 /* ClassDeclaration */) { - ts.Debug.fail("Class decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 139 /* Parameter */) { - // The `parameterIndex` for a parameter decorator is always a number - return numberType; - } - if (node.kind === 142 /* PropertyDeclaration */) { - ts.Debug.fail("Property decorators should not have a third synthetic argument."); - return unknownType; - } - if (node.kind === 144 /* MethodDeclaration */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // The `descriptor` for a method decorator will be a `TypedPropertyDescriptor` - // for the type of the member. - var propertyType = getTypeOfNode(node); - return createTypedPropertyDescriptorType(propertyType); - } - ts.Debug.fail("Unsupported decorator target."); - return unknownType; - } - /** - * Returns the effective argument type for the provided argument to a decorator. - */ - function getEffectiveDecoratorArgumentType(node, argIndex) { - if (argIndex === 0) { - return getEffectiveDecoratorFirstArgumentType(node.parent); - } - else if (argIndex === 1) { - return getEffectiveDecoratorSecondArgumentType(node.parent); - } - else if (argIndex === 2) { - return getEffectiveDecoratorThirdArgumentType(node.parent); - } - ts.Debug.fail("Decorators should not have a fourth synthetic argument."); - return unknownType; - } - /** - * Gets the effective argument type for an argument in a call expression. - */ - function getEffectiveArgumentType(node, argIndex, arg) { - // Decorators provide special arguments, a tagged template expression provides - // a special first argument, and string literals get string literal types - // unless we're reporting errors - if (node.kind === 140 /* Decorator */) { - return getEffectiveDecoratorArgumentType(node, argIndex); - } - else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { - return globalTemplateStringsArrayType; - } - // This is not a synthetic argument, so we return 'undefined' - // to signal that the caller needs to check the argument. - return undefined; - } - /** - * Gets the effective argument expression for an argument in a call expression. - */ - function getEffectiveArgument(node, args, argIndex) { - // For a decorator or the first argument of a tagged template expression we return undefined. - if (node.kind === 140 /* Decorator */ || - (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */)) { - return undefined; - } - return args[argIndex]; - } - /** - * Gets the error node to use when reporting errors for an effective argument. - */ - function getEffectiveArgumentErrorNode(node, argIndex, arg) { - if (node.kind === 140 /* Decorator */) { - // For a decorator, we use the expression of the decorator for error reporting. - return node.expression; - } - else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { - // For a the first argument of a tagged template expression, we use the template of the tag for error reporting. - return node.template; - } - else { - return arg; - } - } - function resolveCall(node, signatures, candidatesOutArray, headMessage) { - var isTaggedTemplate = node.kind === 173 /* TaggedTemplateExpression */; - var isDecorator = node.kind === 140 /* Decorator */; - var typeArguments; - if (!isTaggedTemplate && !isDecorator) { - typeArguments = node.typeArguments; - // We already perform checking on the type arguments on the class declaration itself. - if (node.expression.kind !== 95 /* SuperKeyword */) { - ts.forEach(typeArguments, checkSourceElement); - } - } - var candidates = candidatesOutArray || []; - // reorderCandidates fills up the candidates array directly - reorderCandidates(signatures, candidates); - if (!candidates.length) { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - return resolveErrorCall(node); - } - var args = getEffectiveCallArguments(node); - // The following applies to any value of 'excludeArgument[i]': - // - true: the argument at 'i' is susceptible to a one-time permanent contextual typing. - // - undefined: the argument at 'i' is *not* susceptible to permanent contextual typing. - // - false: the argument at 'i' *was* and *has been* permanently contextually typed. - // - // The idea is that we will perform type argument inference & assignability checking once - // without using the susceptible parameters that are functions, and once more for each of those - // parameters, contextually typing each as we go along. - // - // For a tagged template, then the first argument be 'undefined' if necessary - // because it represents a TemplateStringsArray. - // - // For a decorator, no arguments are susceptible to contextual typing due to the fact - // decorators are applied to a declaration by the emitter, and not to an expression. - var excludeArgument; - if (!isDecorator) { - // We do not need to call `getEffectiveArgumentCount` here as it only - // applies when calculating the number of arguments for a decorator. - for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { - if (isContextSensitive(args[i])) { - if (!excludeArgument) { - excludeArgument = new Array(args.length); - } - excludeArgument[i] = true; - } - } - } - // The following variables are captured and modified by calls to chooseOverload. - // If overload resolution or type argument inference fails, we want to report the - // best error possible. The best error is one which says that an argument was not - // assignable to a parameter. This implies that everything else about the overload - // was fine. So if there is any overload that is only incorrect because of an - // argument, we will report an error on that one. - // - // function foo(s: string) {} - // function foo(n: number) {} // Report argument error on this overload - // function foo() {} - // foo(true); - // - // If none of the overloads even made it that far, there are two possibilities. - // There was a problem with type arguments for some overload, in which case - // report an error on that. Or none of the overloads even had correct arity, - // in which case give an arity error. - // - // function foo(x: T, y: T) {} // Report type argument inference error - // function foo() {} - // foo(0, true); - // - var candidateForArgumentError; - var candidateForTypeArgumentError; - var resultOfFailedInference; - var result; - // Section 4.12.1: - // if the candidate list contains one or more signatures for which the type of each argument - // expression is a subtype of each corresponding parameter type, the return type of the first - // of those signatures becomes the return type of the function call. - // Otherwise, the return type of the first signature in the candidate list becomes the return - // type of the function call. - // - // Whether the call is an error is determined by assignability of the arguments. The subtype pass - // is just important for choosing the best signature. So in the case where there is only one - // signature, the subtype pass is useless. So skipping it is an optimization. - if (candidates.length > 1) { - result = chooseOverload(candidates, subtypeRelation); - } - if (!result) { - // Reinitialize these pointers for round two - candidateForArgumentError = undefined; - candidateForTypeArgumentError = undefined; - resultOfFailedInference = undefined; - result = chooseOverload(candidates, assignableRelation); - } - if (result) { - return result; - } - // No signatures were applicable. Now report errors based on the last applicable signature with - // no arguments excluded from assignability checks. - // If candidate is undefined, it means that no candidates had a suitable arity. In that case, - // skip the checkApplicableSignature check. - if (candidateForArgumentError) { - // excludeArgument is undefined, in this case also equivalent to [undefined, undefined, ...] - // The importance of excludeArgument is to prevent us from typing function expression parameters - // in arguments too early. If possible, we'd like to only type them once we know the correct - // overload. However, this matters for the case where the call is correct. When the call is - // an error, we don't need to exclude any arguments, although it would cause no harm to do so. - checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true); - } - else if (candidateForTypeArgumentError) { - if (!isTaggedTemplate && !isDecorator && typeArguments) { - var typeArguments_2 = node.typeArguments; - checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), /*reportErrors*/ true, headMessage); - } - else { - ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); - var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; - var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); - var diagnosticChainHead = ts.chainDiagnosticMessages(/*details*/ undefined, // details will be provided by call to reportNoCommonSupertypeError - ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); - if (headMessage) { - diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); - } - reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); - } - } - else { - reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); - } - // No signature was applicable. We have already reported the errors for the invalid signature. - // If this is a type resolution session, e.g. Language Service, try to get better information that anySignature. - // Pick the first candidate that matches the arity. This way we can get a contextual type for cases like: - // declare function f(a: { xa: number; xb: number; }); - // f({ | - if (!produceDiagnostics) { - for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { - var candidate = candidates_1[_i]; - if (hasCorrectArity(node, args, candidate)) { - if (candidate.typeParameters && typeArguments) { - candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); - } - return candidate; - } - } - } - return resolveErrorCall(node); - function reportError(message, arg0, arg1, arg2) { - var errorInfo; - errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); - if (headMessage) { - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - } - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - } - function chooseOverload(candidates, relation) { - for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { - var originalCandidate = candidates_2[_i]; - if (!hasCorrectArity(node, args, originalCandidate)) { - continue; - } - var candidate = void 0; - var typeArgumentsAreValid = void 0; - var inferenceContext = originalCandidate.typeParameters - ? createInferenceContext(originalCandidate.typeParameters, /*inferUnionTypes*/ false) - : undefined; - while (true) { - candidate = originalCandidate; - if (candidate.typeParameters) { - var typeArgumentTypes = void 0; - if (typeArguments) { - typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); - typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, /*reportErrors*/ false); - } - else { - inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); - typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; - typeArgumentTypes = inferenceContext.inferredTypes; - } - if (!typeArgumentsAreValid) { - break; - } - candidate = getSignatureInstantiation(candidate, typeArgumentTypes); - } - if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, /*reportErrors*/ false)) { - break; - } - var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; - if (index < 0) { - return candidate; - } - excludeArgument[index] = false; - } - // A post-mortem of this iteration of the loop. The signature was not applicable, - // so we want to track it as a candidate for reporting an error. If the candidate - // had no type parameters, or had no issues related to type arguments, we can - // report an error based on the arguments. If there was an issue with type - // arguments, then we can only report an error based on the type arguments. - if (originalCandidate.typeParameters) { - var instantiatedCandidate = candidate; - if (typeArgumentsAreValid) { - candidateForArgumentError = instantiatedCandidate; - } - else { - candidateForTypeArgumentError = originalCandidate; - if (!typeArguments) { - resultOfFailedInference = inferenceContext; - } - } - } - else { - ts.Debug.assert(originalCandidate === candidate); - candidateForArgumentError = originalCandidate; - } - } - return undefined; - } - } - function resolveCallExpression(node, candidatesOutArray) { - if (node.expression.kind === 95 /* SuperKeyword */) { - var superType = checkSuperExpression(node.expression); - if (superType !== unknownType) { - // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated - // with the type arguments specified in the extends clause. - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); - var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); - return resolveCall(node, baseConstructors, candidatesOutArray); - } - return resolveUntypedCall(node); - } - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - // Technically, this signatures list may be incomplete. We are taking the apparent type, - // but we are not including call signatures that may have been added to the Object or - // Function interface, since they have none by default. This is a bit of a leap of faith - // that the user will not add any. - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - var constructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */); - // TS 1.0 spec: 4.12 - // If FuncExpr is of type Any, or of an object type that has no call or construct signatures - // but is a subtype of the Function interface, the call is an untyped function call. In an - // untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual - // types are provided for the argument expressions, and the result is always of type Any. - // We exclude union types because we may have a union of function types that happen to have - // no common signatures. - if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { - // The unknownType indicates that an error already occured (and was reported). No - // need to report another error in this case. - if (funcType !== unknownType && node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call. - // TypeScript employs overload resolution in typed function calls in order to support functions - // with multiple call signatures. - if (!callSignatures.length) { - if (constructSignatures.length) { - error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); - } - else { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - } - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - function resolveNewExpression(node, candidatesOutArray) { - if (node.arguments && languageVersion < 1 /* ES5 */) { - var spreadIndex = getSpreadArgumentIndex(node.arguments); - if (spreadIndex >= 0) { - error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); - } - } - var expressionType = checkExpression(node.expression); - // If expressionType's apparent type(section 3.8.1) is an object type with one or - // more construct signatures, the expression is processed in the same manner as a - // function call, but using the construct signatures as the initial set of candidate - // signatures for overload resolution. The result type of the function call becomes - // the result type of the operation. - expressionType = getApparentType(expressionType); - if (expressionType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - // If the expression is a class of abstract type, then it cannot be instantiated. - // Note, only class declarations can be declared abstract. - // In the case of a merged class-module or class-interface declaration, - // only the class declaration node will have the Abstract flag set. - var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); - if (valueDecl && valueDecl.flags & 128 /* Abstract */) { - error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); - return resolveErrorCall(node); - } - // TS 1.0 spec: 4.11 - // If expressionType is of type Any, Args can be any argument - // list and the result of the operation is of type Any. - if (isTypeAny(expressionType)) { - if (node.typeArguments) { - error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); - } - return resolveUntypedCall(node); - } - // Technically, this signatures list may be incomplete. We are taking the apparent type, - // but we are not including construct signatures that may have been added to the Object or - // Function interface, since they have none by default. This is a bit of a leap of faith - // that the user will not add any. - var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */); - if (constructSignatures.length) { - return resolveCall(node, constructSignatures, candidatesOutArray); - } - // If expressionType's apparent type is an object type with no construct signatures but - // one or more call signatures, the expression is processed as a function call. A compile-time - // error occurs if the result of the function call is not Void. The type of the result of the - // operation is Any. - var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */); - if (callSignatures.length) { - var signature = resolveCall(node, callSignatures, candidatesOutArray); - if (getReturnTypeOfSignature(signature) !== voidType) { - error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); - } - return signature; - } - error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); - return resolveErrorCall(node); - } - function resolveTaggedTemplateExpression(node, candidatesOutArray) { - var tagType = checkExpression(node.tag); - var apparentType = getApparentType(tagType); - if (apparentType === unknownType) { - // Another error has already been reported - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384 /* Union */) && isTypeAssignableTo(tagType, globalFunctionType))) { - return resolveUntypedCall(node); - } - if (!callSignatures.length) { - error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray); - } - /** - * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression. - */ - function getDiagnosticHeadMessageForDecoratorResolution(node) { - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; - case 139 /* Parameter */: - return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; - case 142 /* PropertyDeclaration */: - return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; - } - } - /** - * Resolves a decorator as if it were a call expression. - */ - function resolveDecorator(node, candidatesOutArray) { - var funcType = checkExpression(node.expression); - var apparentType = getApparentType(funcType); - if (apparentType === unknownType) { - return resolveErrorCall(node); - } - var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); - if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { - return resolveUntypedCall(node); - } - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - if (!callSignatures.length) { - var errorInfo = void 0; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); - errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); - return resolveErrorCall(node); - } - return resolveCall(node, callSignatures, candidatesOutArray, headMessage); - } - // candidatesOutArray is passed by signature help in the language service, and collectCandidates - // must fill it up with the appropriate candidate signatures - function getResolvedSignature(node, candidatesOutArray) { - var links = getNodeLinks(node); - // If getResolvedSignature has already been called, we will have cached the resolvedSignature. - // However, it is possible that either candidatesOutArray was not passed in the first time, - // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work - // to correctly fill the candidatesOutArray. - if (!links.resolvedSignature || candidatesOutArray) { - links.resolvedSignature = anySignature; - if (node.kind === 171 /* CallExpression */) { - links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); - } - else if (node.kind === 172 /* NewExpression */) { - links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); - } - else if (node.kind === 173 /* TaggedTemplateExpression */) { - links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); - } - else if (node.kind === 140 /* Decorator */) { - links.resolvedSignature = resolveDecorator(node, candidatesOutArray); - } - else { - ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); - } - } - return links.resolvedSignature; - } - function getInferredClassType(symbol) { - var links = getSymbolLinks(symbol); - if (!links.inferredClassType) { - links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, /*stringIndexType*/ undefined, /*numberIndexType*/ undefined); - } - return links.inferredClassType; - } - /** - * Syntactically and semantically checks a call or new expression. - * @param node The call/new expression to be checked. - * @returns On success, the expression's signature's return type. On failure, anyType. - */ - function checkCallExpression(node) { - // Grammar checking; stop grammar-checking if checkGrammarTypeArguments return true - checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); - var signature = getResolvedSignature(node); - if (node.expression.kind === 95 /* SuperKeyword */) { - return voidType; - } - if (node.kind === 172 /* NewExpression */) { - var declaration = signature.declaration; - if (declaration && - declaration.kind !== 145 /* Constructor */ && - declaration.kind !== 149 /* ConstructSignature */ && - declaration.kind !== 154 /* ConstructorType */ && - !ts.isJSDocConstructSignature(declaration)) { - // When resolved signature is a call signature (and not a construct signature) the result type is any, unless - // the declaring function had members created through 'x.prototype.y = expr' or 'this.y = expr' psuedodeclarations - // in a JS file - var funcSymbol = checkExpression(node.expression).symbol; - if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 /* Function */)) { - return getInferredClassType(funcSymbol); - } - else if (compilerOptions.noImplicitAny) { - error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); - } - return anyType; - } - } - // In JavaScript files, calls to any identifier 'require' are treated as external module imports - if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { - return resolveExternalModuleTypeByLiteral(node.arguments[0]); - } - return getReturnTypeOfSignature(signature); - } - function checkTaggedTemplateExpression(node) { - return getReturnTypeOfSignature(getResolvedSignature(node)); - } - function checkAssertion(node) { - var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); - var targetType = getTypeFromTypeNode(node.type); - if (produceDiagnostics && targetType !== unknownType) { - var widenedType = getWidenedType(exprType); - // Permit 'number[] | "foo"' to be asserted to 'string'. - var bothAreStringLike = someConstituentTypeHasKind(targetType, 258 /* StringLike */) && - someConstituentTypeHasKind(widenedType, 258 /* StringLike */); - if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { - checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); - } - } - return targetType; - } - function getTypeAtPosition(signature, pos) { - return signature.hasRestParameter ? - pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : - pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; - } - function assignContextualParameterTypes(signature, context, mapper) { - var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); - for (var i = 0; i < len; i++) { - var parameter = signature.parameters[i]; - var contextualParameterType = getTypeAtPosition(context, i); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { - var parameter = ts.lastOrUndefined(signature.parameters); - var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); - assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); - } - } - // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push - // the destructured type into the contained binding elements. - function assignBindingElementTypes(node) { - if (ts.isBindingPattern(node.name)) { - for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - if (element.name.kind === 69 /* Identifier */) { - getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); - } - assignBindingElementTypes(element); - } - } - } - } - function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { - var links = getSymbolLinks(parameter); - if (!links.type) { - links.type = instantiateType(contextualType, mapper); - assignBindingElementTypes(parameter.valueDeclaration); - } - else if (isInferentialContext(mapper)) { - // Even if the parameter already has a type, it might be because it was given a type while - // processing the function as an argument to a prior signature during overload resolution. - // If this was the case, it may have caused some type parameters to be fixed. So here, - // we need to ensure that type parameters at the same positions get fixed again. This is - // done by calling instantiateType to attach the mapper to the contextualType, and then - // calling inferTypes to force a walk of contextualType so that all the correct fixing - // happens. The choice to pass in links.type may seem kind of arbitrary, but it serves - // to make sure that all the correct positions in contextualType are reached by the walk. - // Here is an example: - // - // interface Base { - // baseProp; - // } - // interface Derived extends Base { - // toBase(): Base; - // } - // - // var derived: Derived; - // - // declare function foo(x: T, func: (p: T) => T): T; - // declare function foo(x: T, func: (p: T) => T): T; - // - // var result = foo(derived, d => d.toBase()); - // - // We are typing d while checking the second overload. But we've already given d - // a type (Derived) from the first overload. However, we still want to fix the - // T in the second overload so that we do not infer Base as a candidate for T - // (inferring Base would make type argument inference inconsistent between the two - // overloads). - inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); - } - } - function getReturnTypeFromJSDocComment(func) { - var returnTag = ts.getJSDocReturnTag(func); - if (returnTag && returnTag.typeExpression) { - return getTypeFromTypeNode(returnTag.typeExpression.type); - } - return undefined; - } - function createPromiseType(promisedType) { - // creates a `Promise` type where `T` is the promisedType argument - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType !== emptyGenericType) { - // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type - promisedType = getAwaitedType(promisedType); - return createTypeReference(globalPromiseType, [promisedType]); - } - return emptyObjectType; - } - function getReturnTypeFromBody(func, contextualMapper) { - var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); - if (!func.body) { - return unknownType; - } - var isAsync = ts.isAsyncFunctionLike(func); - var type; - if (func.body.kind !== 195 /* Block */) { - type = checkExpressionCached(func.body, contextualMapper); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body should be unwrapped to its awaited type, which we will wrap in - // the native Promise type later in this function. - type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - } - else { - var types = void 0; - var funcIsGenerator = !!func.asteriskToken; - if (funcIsGenerator) { - types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); - if (types.length === 0) { - var iterableIteratorAny = createIterableIteratorType(anyType); - if (compilerOptions.noImplicitAny) { - error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); - } - return iterableIteratorAny; - } - } - else { - types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); - if (types.length === 0) { - if (isAsync) { - // For an async function, the return type will not be void, but rather a Promise for void. - var promiseType = createPromiseType(voidType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return voidType; - } - } - } - // When yield/return statements are contextually typed we allow the return type to be a union type. - // Otherwise we require the yield/return expressions to have a best common supertype. - type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); - if (!type) { - if (funcIsGenerator) { - error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); - return createIterableIteratorType(unknownType); - } - else { - error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); - // Defer to unioning the return types so we get a) downstream errors earlier and b) better Salsa experience - return getUnionType(types); - } - } - if (funcIsGenerator) { - type = createIterableIteratorType(type); - } - } - if (!contextualSignature) { - reportErrorsFromWidening(func, type); - } - var widenedType = getWidenedType(type); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body is awaited type of the body, wrapped in a native Promise type. - var promiseType = createPromiseType(widenedType); - if (promiseType === emptyObjectType) { - error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - return unknownType; - } - return promiseType; - } - else { - return widenedType; - } - } - function checkAndAggregateYieldOperandTypes(body, contextualMapper) { - var aggregatedTypes = []; - ts.forEachYieldExpression(body, function (yieldExpression) { - var expr = yieldExpression.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (yieldExpression.asteriskToken) { - // A yield* expression effectively yields everything that its operand yields - type = checkElementTypeOfIterable(type, yieldExpression.expression); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { - var aggregatedTypes = []; - ts.forEachReturnStatement(body, function (returnStatement) { - var expr = returnStatement.expression; - if (expr) { - var type = checkExpressionCached(expr, contextualMapper); - if (isAsync) { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so the - // return type of the body should be unwrapped to its awaited type, which should be wrapped in - // the native Promise type by the caller. - type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - } - if (!ts.contains(aggregatedTypes, type)) { - aggregatedTypes.push(type); - } - } - }); - return aggregatedTypes; - } - /** - * TypeScript Specification 1.0 (6.3) - July 2014 - * An explicitly typed function whose return type isn't the Void type, - * the Any type, or a union type containing the Void or Any type as a constituent - * must have at least one return statement somewhere in its body. - * An exception to this rule is if the function implementation consists of a single 'throw' statement. - * - * @param returnType - return type of the function, can be undefined if return type is not explicitly specified - */ - function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { - if (!produceDiagnostics) { - return; - } - // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions. - if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384 /* Union */) && someConstituentTypeHasKind(returnType, 1 /* Any */ | 16 /* Void */))) { - return; - } - // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check. - // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw - if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 /* Block */ || !(func.flags & 524288 /* HasImplicitReturn */)) { - return; - } - var hasExplicitReturn = func.flags & 1048576 /* HasExplicitReturn */; - if (returnType && !hasExplicitReturn) { - // minimal check: function has syntactic return type annotation and no explicit return statements in the body - // this function does not conform to the specification. - // NOTE: having returnType !== undefined is a precondition for entering this branch so func.type will always be present - error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); - } - else if (compilerOptions.noImplicitReturns) { - if (!returnType) { - // If return type annotation is omitted check if function has any explicit return statements. - // If it does not have any - its inferred return type is void - don't do any checks. - // Otherwise get inferred return type from function body and report error only if it is not void / anytype - var inferredReturnType = hasExplicitReturn - ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) - : voidType; - if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { - return; - } - } - error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - // Grammar checking - var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); - if (!hasGrammarError && node.kind === 176 /* FunctionExpression */) { - checkGrammarForGenerator(node); - } - // The identityMapper object is used to indicate that function expressions are wildcards - if (contextualMapper === identityMapper && isContextSensitive(node)) { - return anyFunctionType; - } - var links = getNodeLinks(node); - var type = getTypeOfSymbol(node.symbol); - var contextSensitive = isContextSensitive(node); - var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); - // Check if function expression is contextually typed and assign parameter types if so. - // See the comment in assignTypeToParameterAndFixTypeParameters to understand why we need to - // check mightFixTypeParameters. - if (mightFixTypeParameters || !(links.flags & 1024 /* ContextChecked */)) { - var contextualSignature = getContextualSignature(node); - // If a type check is started at a function expression that is an argument of a function call, obtaining the - // contextual type may recursively get back to here during overload resolution of the call. If so, we will have - // already assigned contextual types. - var contextChecked = !!(links.flags & 1024 /* ContextChecked */); - if (mightFixTypeParameters || !contextChecked) { - links.flags |= 1024 /* ContextChecked */; - if (contextualSignature) { - var signature = getSignaturesOfType(type, 0 /* Call */)[0]; - if (contextSensitive) { - assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); - } - if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { - var returnType = getReturnTypeFromBody(node, contextualMapper); - if (!signature.resolvedReturnType) { - signature.resolvedReturnType = returnType; - } - } - } - if (!contextChecked) { - checkSignatureDeclaration(node); - checkNodeDeferred(node); - } - } - } - if (produceDiagnostics && node.kind !== 144 /* MethodDeclaration */ && node.kind !== 143 /* MethodSignature */) { - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - } - return type; - } - function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { - ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); - var isAsync = ts.isAsyncFunctionLike(node); - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - if (!node.asteriskToken) { - // return is not necessary in the body of generators - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (node.body) { - if (!node.type) { - // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors - // we need. An example is the noImplicitAny errors resulting from widening the return expression - // of a function. Because checking of function expression bodies is deferred, there was never an - // appropriate time to do this during the main walk of the file (see the comment at the top of - // checkFunctionExpressionBodies). So it must be done now. - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - if (node.body.kind === 195 /* Block */) { - checkSourceElement(node.body); - } - else { - // From within an async function you can return either a non-promise value or a promise. Any - // Promise/A+ compatible implementation will always assimilate any foreign promise, so we - // should not be checking assignability of a promise to the return type. Instead, we need to - // check assignability of the awaited type of the expression body against the promised type of - // its return type annotation. - var exprType = checkExpression(node.body); - if (returnOrPromisedType) { - if (isAsync) { - var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); - checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); - } - else { - checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); - } - } - } - } - } - function checkArithmeticOperandType(operand, type, diagnostic) { - if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132 /* NumberLike */)) { - error(operand, diagnostic); - return false; - } - return true; - } - function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { - function findSymbol(n) { - var symbol = getNodeLinks(n).resolvedSymbol; - // Because we got the symbol from the resolvedSymbol property, it might be of kind - // SymbolFlags.ExportValue. In this case it is necessary to get the actual export - // symbol, which will have the correct flags set on it. - return symbol && getExportSymbolOfValueSymbolIfExported(symbol); - } - function isReferenceOrErrorExpression(n) { - // TypeScript 1.0 spec (April 2014): - // Expressions are classified as values or references. - // References are the subset of expressions that are permitted as the target of an assignment. - // Specifically, references are combinations of identifiers(section 4.3), parentheses(section 4.7), - // and property accesses(section 4.10). - // All other expression constructs described in this chapter are classified as values. - switch (n.kind) { - case 69 /* Identifier */: { - var symbol = findSymbol(n); - // TypeScript 1.0 spec (April 2014): 4.3 - // An identifier expression that references a variable or parameter is classified as a reference. - // An identifier expression that references any other kind of entity is classified as a value(and therefore cannot be the target of an assignment). - return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3 /* Variable */) !== 0; - } - case 169 /* PropertyAccessExpression */: { - var symbol = findSymbol(n); - // TypeScript 1.0 spec (April 2014): 4.10 - // A property access expression is always classified as a reference. - // NOTE (not in spec): assignment to enum members should not be allowed - return !symbol || symbol === unknownSymbol || (symbol.flags & ~8 /* EnumMember */) !== 0; - } - case 170 /* ElementAccessExpression */: - // old compiler doesn't check indexed access - return true; - case 175 /* ParenthesizedExpression */: - return isReferenceOrErrorExpression(n.expression); - default: - return false; - } - } - function isConstVariableReference(n) { - switch (n.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: { - var symbol = findSymbol(n); - return symbol && (symbol.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384 /* Const */) !== 0; - } - case 170 /* ElementAccessExpression */: { - var index = n.argumentExpression; - var symbol = findSymbol(n.expression); - if (symbol && index && index.kind === 9 /* StringLiteral */) { - var name_12 = index.text; - var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); - return prop && (prop.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384 /* Const */) !== 0; - } - return false; - } - case 175 /* ParenthesizedExpression */: - return isConstVariableReference(n.expression); - default: - return false; - } - } - if (!isReferenceOrErrorExpression(n)) { - error(n, invalidReferenceMessage); - return false; - } - if (isConstVariableReference(n)) { - error(n, constantVariableMessage); - return false; - } - return true; - } - function checkDeleteExpression(node) { - checkExpression(node.expression); - return booleanType; - } - function checkTypeOfExpression(node) { - checkExpression(node.expression); - return stringType; - } - function checkVoidExpression(node) { - checkExpression(node.expression); - return undefinedType; - } - function checkAwaitExpression(node) { - // Grammar checking - if (produceDiagnostics) { - if (!(node.parserContextFlags & 8 /* Await */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - var operandType = checkExpression(node.expression); - return checkAwaitedType(operandType, node); - } - function checkPrefixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - switch (node.operator) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - if (someConstituentTypeHasKind(operandType, 16777216 /* ESSymbol */)) { - error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); - } - return numberType; - case 49 /* ExclamationToken */: - return booleanType; - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - // run check only if former checks succeeded to avoid reporting cascading errors - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - return unknownType; - } - function checkPostfixUnaryExpression(node) { - var operandType = checkExpression(node.operand); - var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); - if (ok) { - // run check only if former checks succeeded to avoid reporting cascading errors - checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); - } - return numberType; - } - // Just like isTypeOfKind below, except that it returns true if *any* constituent - // has this kind. - function someConstituentTypeHasKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152 /* UnionOrIntersection */) { - var types = type.types; - for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { - var current = types_10[_i]; - if (current.flags & kind) { - return true; - } - } - return false; - } - return false; - } - // Return true if type has the given flags, or is a union or intersection type composed of types that all have those flags. - function allConstituentTypesHaveKind(type, kind) { - if (type.flags & kind) { - return true; - } - if (type.flags & 49152 /* UnionOrIntersection */) { - var types = type.types; - for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { - var current = types_11[_i]; - if (!(current.flags & kind)) { - return false; - } - } - return true; - } - return false; - } - function isConstEnumObjectType(type) { - return type.flags & (80896 /* ObjectType */ | 65536 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); - } - function isConstEnumSymbol(symbol) { - return (symbol.flags & 128 /* ConstEnum */) !== 0; - } - function checkInstanceOfExpression(left, right, leftType, rightType) { - // TypeScript 1.0 spec (April 2014): 4.15.4 - // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, - // and the right operand to be of type Any or a subtype of the 'Function' interface type. - // The result is always of the Boolean primitive type. - // NOTE: do not raise error if leftType is unknown as related error was already reported - if (allConstituentTypesHaveKind(leftType, 16777726 /* Primitive */)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - // NOTE: do not raise error if right is unknown as related error was already reported - if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); - } - return booleanType; - } - function checkInExpression(left, right, leftType, rightType) { - // TypeScript 1.0 spec (April 2014): 4.15.5 - // The in operator requires the left operand to be of type Any, the String primitive type, or the Number primitive type, - // and the right operand to be of type Any, an object type, or a type parameter type. - // The result is always of the Boolean primitive type. - if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { - error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); - } - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { - error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - return booleanType; - } - function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { - var properties = node.properties; - for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { - var p = properties_3[_i]; - if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { - var name_13 = p.name; - if (name_13.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(name_13); - } - if (isComputedNonLiteralName(name_13)) { - continue; - } - var text = getTextOfPropertyName(name_13); - var type = isTypeAny(sourceType) - ? sourceType - : getTypeOfPropertyOfType(sourceType, text) || - isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1 /* Number */) || - getIndexTypeOfType(sourceType, 0 /* String */); - if (type) { - if (p.kind === 249 /* ShorthandPropertyAssignment */) { - checkDestructuringAssignment(p, type); - } - else { - // non-shorthand property assignments should always have initializers - checkDestructuringAssignment(p.initializer, type); - } - } - else { - error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); - } - } - else { - error(p, ts.Diagnostics.Property_assignment_expected); - } - } - return sourceType; - } - function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { - // This elementType will be used if the specific property corresponding to this index is not - // present (aka the tuple element property). This call also checks that the parentType is in - // fact an iterable or array (depending on target language). - var elementType = checkIteratedTypeOrElementType(sourceType, node, /*allowStringInput*/ false) || unknownType; - var elements = node.elements; - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190 /* OmittedExpression */) { - if (e.kind !== 188 /* SpreadElementExpression */) { - var propName = "" + i; - var type = isTypeAny(sourceType) - ? sourceType - : isTupleLikeType(sourceType) - ? getTypeOfPropertyOfType(sourceType, propName) - : elementType; - if (type) { - checkDestructuringAssignment(e, type, contextualMapper); - } - else { - if (isTupleType(sourceType)) { - error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); - } - else { - error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); - } - } - } - else { - if (i < elements.length - 1) { - error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - else { - var restExpression = e.expression; - if (restExpression.kind === 184 /* BinaryExpression */ && restExpression.operatorToken.kind === 56 /* EqualsToken */) { - error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - else { - checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); - } - } - } - } - } - return sourceType; - } - function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { - var target; - if (exprOrAssignment.kind === 249 /* ShorthandPropertyAssignment */) { - var prop = exprOrAssignment; - if (prop.objectAssignmentInitializer) { - checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); - } - target = exprOrAssignment.name; - } - else { - target = exprOrAssignment; - } - if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { - checkBinaryExpression(target, contextualMapper); - target = target.left; - } - if (target.kind === 168 /* ObjectLiteralExpression */) { - return checkObjectLiteralAssignment(target, sourceType, contextualMapper); - } - if (target.kind === 167 /* ArrayLiteralExpression */) { - return checkArrayLiteralAssignment(target, sourceType, contextualMapper); - } - return checkReferenceAssignment(target, sourceType, contextualMapper); - } - function checkReferenceAssignment(target, sourceType, contextualMapper) { - var targetType = checkExpression(target, contextualMapper); - if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { - checkTypeAssignableTo(sourceType, targetType, target, /*headMessage*/ undefined); - } - return sourceType; - } - function checkBinaryExpression(node, contextualMapper) { - return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); - } - function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { - var operator = operatorToken.kind; - if (operator === 56 /* EqualsToken */ && (left.kind === 168 /* ObjectLiteralExpression */ || left.kind === 167 /* ArrayLiteralExpression */)) { - return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); - } - var leftType = checkExpression(left, contextualMapper); - var rightType = checkExpression(right, contextualMapper); - switch (operator) { - case 37 /* AsteriskToken */: - case 38 /* AsteriskAsteriskToken */: - case 59 /* AsteriskEqualsToken */: - case 60 /* AsteriskAsteriskEqualsToken */: - case 39 /* SlashToken */: - case 61 /* SlashEqualsToken */: - case 40 /* PercentToken */: - case 62 /* PercentEqualsToken */: - case 36 /* MinusToken */: - case 58 /* MinusEqualsToken */: - case 43 /* LessThanLessThanToken */: - case 63 /* LessThanLessThanEqualsToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 47 /* BarToken */: - case 67 /* BarEqualsToken */: - case 48 /* CaretToken */: - case 68 /* CaretEqualsToken */: - case 46 /* AmpersandToken */: - case 66 /* AmpersandEqualsToken */: - // TypeScript 1.0 spec (April 2014): 4.19.1 - // These operators require their operands to be of type Any, the Number primitive type, - // or an enum type. Operands of an enum type are treated - // as having the primitive type Number. If one operand is the null or undefined value, - // it is treated as having the type of the other operand. - // The result is always of the Number primitive type. - if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) - leftType = rightType; - if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) - rightType = leftType; - var suggestedOperator = void 0; - // if a user tries to apply a bitwise operator to 2 boolean operands - // try and return them a helpful suggestion - if ((leftType.flags & 8 /* Boolean */) && - (rightType.flags & 8 /* Boolean */) && - (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { - error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); - } - else { - // otherwise just check each operand separately and report errors as normal - var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); - if (leftOk && rightOk) { - checkAssignmentOperator(numberType); - } - } - return numberType; - case 35 /* PlusToken */: - case 57 /* PlusEqualsToken */: - // TypeScript 1.0 spec (April 2014): 4.19.2 - // The binary + operator requires both operands to be of the Number primitive type or an enum type, - // or at least one of the operands to be of type Any or the String primitive type. - // If one operand is the null or undefined value, it is treated as having the type of the other operand. - if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) - leftType = rightType; - if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) - rightType = leftType; - var resultType = void 0; - if (allConstituentTypesHaveKind(leftType, 132 /* NumberLike */) && allConstituentTypesHaveKind(rightType, 132 /* NumberLike */)) { - // Operands of an enum type are treated as having the primitive type Number. - // If both operands are of the Number primitive type, the result is of the Number primitive type. - resultType = numberType; - } - else { - if (allConstituentTypesHaveKind(leftType, 258 /* StringLike */) || allConstituentTypesHaveKind(rightType, 258 /* StringLike */)) { - // If one or both operands are of the String primitive type, the result is of the String primitive type. - resultType = stringType; - } - else if (isTypeAny(leftType) || isTypeAny(rightType)) { - // Otherwise, the result is of type Any. - // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we. - resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; - } - // Symbols are not allowed at all in arithmetic expressions - if (resultType && !checkForDisallowedESSymbolOperand(operator)) { - return resultType; - } - } - if (!resultType) { - reportOperatorError(); - return anyType; - } - if (operator === 57 /* PlusEqualsToken */) { - checkAssignmentOperator(resultType); - } - return resultType; - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - if (!checkForDisallowedESSymbolOperand(operator)) { - return booleanType; - } - // Fall through - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - // Permit 'number[] | "foo"' to be asserted to 'string'. - if (someConstituentTypeHasKind(leftType, 258 /* StringLike */) && someConstituentTypeHasKind(rightType, 258 /* StringLike */)) { - return booleanType; - } - if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { - reportOperatorError(); - } - return booleanType; - case 91 /* InstanceOfKeyword */: - return checkInstanceOfExpression(left, right, leftType, rightType); - case 90 /* InKeyword */: - return checkInExpression(left, right, leftType, rightType); - case 51 /* AmpersandAmpersandToken */: - return rightType; - case 52 /* BarBarToken */: - return getUnionType([leftType, rightType]); - case 56 /* EqualsToken */: - checkAssignmentOperator(rightType); - return getRegularTypeOfObjectLiteral(rightType); - case 24 /* CommaToken */: - return rightType; - } - // Return true if there was no error, false if there was an error. - function checkForDisallowedESSymbolOperand(operator) { - var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216 /* ESSymbol */) ? left : - someConstituentTypeHasKind(rightType, 16777216 /* ESSymbol */) ? right : - undefined; - if (offendingSymbolOperand) { - error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); - return false; - } - return true; - } - function getSuggestedBooleanOperator(operator) { - switch (operator) { - case 47 /* BarToken */: - case 67 /* BarEqualsToken */: - return 52 /* BarBarToken */; - case 48 /* CaretToken */: - case 68 /* CaretEqualsToken */: - return 33 /* ExclamationEqualsEqualsToken */; - case 46 /* AmpersandToken */: - case 66 /* AmpersandEqualsToken */: - return 51 /* AmpersandAmpersandToken */; - default: - return undefined; - } - } - function checkAssignmentOperator(valueType) { - if (produceDiagnostics && operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { - // TypeScript 1.0 spec (April 2014): 4.17 - // An assignment of the form - // VarExpr = ValueExpr - // requires VarExpr to be classified as a reference - // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1) - // and the type of the non - compound operation to be assignable to the type of VarExpr. - var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); - // Use default messages - if (ok) { - // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported - checkTypeAssignableTo(valueType, leftType, left, /*headMessage*/ undefined); - } - } - } - function reportOperatorError() { - error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); - } - } - function isYieldExpressionInClass(node) { - var current = node; - var parent = node.parent; - while (parent) { - if (ts.isFunctionLike(parent) && current === parent.body) { - return false; - } - else if (ts.isClassLike(current)) { - return true; - } - current = parent; - parent = parent.parent; - } - return false; - } - function checkYieldExpression(node) { - // Grammar checking - if (produceDiagnostics) { - if (!(node.parserContextFlags & 2 /* Yield */) || isYieldExpressionInClass(node)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); - } - if (isInParameterInitializerBeforeContainingFunction(node)) { - error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - // If the user's code is syntactically correct, the func should always have a star. After all, - // we are in a yield context. - if (func && func.asteriskToken) { - var expressionType = checkExpressionCached(node.expression, /*contextualMapper*/ undefined); - var expressionElementType = void 0; - var nodeIsYieldStar = !!node.asteriskToken; - if (nodeIsYieldStar) { - expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); - } - // There is no point in doing an assignability check if the function - // has no explicit return type because the return type is directly computed - // from the yield expressions. - if (func.type) { - var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; - if (nodeIsYieldStar) { - checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, /*headMessage*/ undefined); - } - else { - checkTypeAssignableTo(expressionType, signatureElementType, node.expression, /*headMessage*/ undefined); - } - } - } - } - // Both yield and yield* expressions have type 'any' - return anyType; - } - function checkConditionalExpression(node, contextualMapper) { - checkExpression(node.condition); - var type1 = checkExpression(node.whenTrue, contextualMapper); - var type2 = checkExpression(node.whenFalse, contextualMapper); - return getUnionType([type1, type2]); - } - function checkStringLiteralExpression(node) { - var contextualType = getContextualType(node); - if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { - return getStringLiteralTypeForText(node.text); - } - return stringType; - } - function checkTemplateExpression(node) { - // We just want to check each expressions, but we are unconcerned with - // the type of each expression, as any value may be coerced into a string. - // It is worth asking whether this is what we really want though. - // A place where we actually *are* concerned with the expressions' types are - // in tagged templates. - ts.forEach(node.templateSpans, function (templateSpan) { - checkExpression(templateSpan.expression); - }); - return stringType; - } - function checkExpressionWithContextualType(node, contextualType, contextualMapper) { - var saveContextualType = node.contextualType; - node.contextualType = contextualType; - var result = checkExpression(node, contextualMapper); - node.contextualType = saveContextualType; - return result; - } - function checkExpressionCached(node, contextualMapper) { - var links = getNodeLinks(node); - if (!links.resolvedType) { - links.resolvedType = checkExpression(node, contextualMapper); - } - return links.resolvedType; - } - function checkPropertyAssignment(node, contextualMapper) { - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - return checkExpression(node.initializer, contextualMapper); - } - function checkObjectLiteralMethod(node, contextualMapper) { - // Grammar checking - checkGrammarMethod(node); - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { - if (isInferentialContext(contextualMapper)) { - var signature = getSingleCallSignature(type); - if (signature && signature.typeParameters) { - var contextualType = getApparentTypeOfContextualType(node); - if (contextualType) { - var contextualSignature = getSingleCallSignature(contextualType); - if (contextualSignature && !contextualSignature.typeParameters) { - return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); - } - } - } - } - return type; - } - // Checks an expression and returns its type. The contextualMapper parameter serves two purposes: When - // contextualMapper is not undefined and not equal to the identityMapper function object it indicates that the - // expression is being inferentially typed (section 4.12.2 in spec) and provides the type mapper to use in - // conjunction with the generic contextual type. When contextualMapper is equal to the identityMapper function - // object, it serves as an indicator that all contained function and arrow expressions should be considered to - // have the wildcard function type; this form of type check is used during overload resolution to exclude - // contextually typed function and arrow expressions in the initial phase. - function checkExpression(node, contextualMapper) { - var type; - if (node.kind === 136 /* QualifiedName */) { - type = checkQualifiedName(node); - } - else { - var uninstantiatedType = checkExpressionWorker(node, contextualMapper); - type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); - } - if (isConstEnumObjectType(type)) { - // enum object type for const enums are only permitted in: - // - 'left' in property access - // - 'object' in indexed access - // - target in rhs of import statement - var ok = (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.expression === node) || - (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.expression === node) || - ((node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node)); - if (!ok) { - error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); - } - } - return type; - } - function checkNumericLiteral(node) { - // Grammar checking - checkGrammarNumericLiteral(node); - return numberType; - } - function checkExpressionWorker(node, contextualMapper) { - switch (node.kind) { - case 69 /* Identifier */: - return checkIdentifier(node); - case 97 /* ThisKeyword */: - return checkThisExpression(node); - case 95 /* SuperKeyword */: - return checkSuperExpression(node); - case 93 /* NullKeyword */: - return nullType; - case 99 /* TrueKeyword */: - case 84 /* FalseKeyword */: - return booleanType; - case 8 /* NumericLiteral */: - return checkNumericLiteral(node); - case 186 /* TemplateExpression */: - return checkTemplateExpression(node); - case 9 /* StringLiteral */: - return checkStringLiteralExpression(node); - case 11 /* NoSubstitutionTemplateLiteral */: - return stringType; - case 10 /* RegularExpressionLiteral */: - return globalRegExpType; - case 167 /* ArrayLiteralExpression */: - return checkArrayLiteral(node, contextualMapper); - case 168 /* ObjectLiteralExpression */: - return checkObjectLiteral(node, contextualMapper); - case 169 /* PropertyAccessExpression */: - return checkPropertyAccessExpression(node); - case 170 /* ElementAccessExpression */: - return checkIndexedAccess(node); - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return checkCallExpression(node); - case 173 /* TaggedTemplateExpression */: - return checkTaggedTemplateExpression(node); - case 175 /* ParenthesizedExpression */: - return checkExpression(node.expression, contextualMapper); - case 189 /* ClassExpression */: - return checkClassExpression(node); - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); - case 179 /* TypeOfExpression */: - return checkTypeOfExpression(node); - case 174 /* TypeAssertionExpression */: - case 192 /* AsExpression */: - return checkAssertion(node); - case 178 /* DeleteExpression */: - return checkDeleteExpression(node); - case 180 /* VoidExpression */: - return checkVoidExpression(node); - case 181 /* AwaitExpression */: - return checkAwaitExpression(node); - case 182 /* PrefixUnaryExpression */: - return checkPrefixUnaryExpression(node); - case 183 /* PostfixUnaryExpression */: - return checkPostfixUnaryExpression(node); - case 184 /* BinaryExpression */: - return checkBinaryExpression(node, contextualMapper); - case 185 /* ConditionalExpression */: - return checkConditionalExpression(node, contextualMapper); - case 188 /* SpreadElementExpression */: - return checkSpreadElementExpression(node, contextualMapper); - case 190 /* OmittedExpression */: - return undefinedType; - case 187 /* YieldExpression */: - return checkYieldExpression(node); - case 243 /* JsxExpression */: - return checkJsxExpression(node); - case 236 /* JsxElement */: - return checkJsxElement(node); - case 237 /* JsxSelfClosingElement */: - return checkJsxSelfClosingElement(node); - case 238 /* JsxOpeningElement */: - ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); - } - return unknownType; - } - // DECLARATION AND STATEMENT TYPE CHECKING - function checkTypeParameter(node) { - // Grammar Checking - if (node.expression) { - grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); - } - checkSourceElement(node.constraint); - getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); - } - } - function checkParameter(node) { - // Grammar checking - // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the - // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code - // or if its FunctionBody is strict code(11.1.5). - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkVariableLikeDeclaration(node); - var func = ts.getContainingFunction(node); - if (node.flags & 56 /* AccessibilityModifier */) { - func = ts.getContainingFunction(node); - if (!(func.kind === 145 /* Constructor */ && ts.nodeIsPresent(func.body))) { - error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - } - if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { - error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); - } - // Only check rest parameter type if it's not a binding pattern. Since binding patterns are - // not allowed in a rest parameter, we already have an error from checkGrammarParameterList. - if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { - error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); - } - } - function isSyntacticallyValidGenerator(node) { - if (!node.asteriskToken || !node.body) { - return false; - } - return node.kind === 144 /* MethodDeclaration */ || - node.kind === 216 /* FunctionDeclaration */ || - node.kind === 176 /* FunctionExpression */; - } - function getTypePredicateParameterIndex(parameterList, parameter) { - if (parameterList) { - for (var i = 0; i < parameterList.length; i++) { - var param = parameterList[i]; - if (param.name.kind === 69 /* Identifier */ && - param.name.text === parameter.text) { - return i; - } - } - } - return -1; - } - function checkTypePredicate(node) { - var parent = getTypePredicateParent(node); - if (!parent) { - // The parent must not be valid. - error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); - return; - } - var typePredicate = getSignatureFromDeclaration(parent).typePredicate; - if (!typePredicate) { - return; - } - var parameterName = node.parameterName; - if (ts.isThisTypePredicate(typePredicate)) { - getTypeFromThisTypeNode(parameterName); - } - else { - if (typePredicate.parameterIndex >= 0) { - if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { - error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); - } - else { - checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); - } - } - else if (parameterName) { - var hasReportedError = false; - for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { - var name_14 = _a[_i].name; - if (ts.isBindingPattern(name_14) && - checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { - hasReportedError = true; - break; - } - } - if (!hasReportedError) { - error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); - } - } - } - } - function getTypePredicateParent(node) { - switch (node.parent.kind) { - case 177 /* ArrowFunction */: - case 148 /* CallSignature */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 153 /* FunctionType */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - var parent_7 = node.parent; - if (node === parent_7.type) { - return parent_7; - } - } - } - function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { - for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { - var name_15 = _a[_i].name; - if (name_15.kind === 69 /* Identifier */ && - name_15.text === predicateVariableName) { - error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); - return true; - } - else if (name_15.kind === 165 /* ArrayBindingPattern */ || - name_15.kind === 164 /* ObjectBindingPattern */) { - if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { - return true; - } - } - } - } - function checkSignatureDeclaration(node) { - // Grammar checking - if (node.kind === 150 /* IndexSignature */) { - checkGrammarIndexSignature(node); - } - else if (node.kind === 153 /* FunctionType */ || node.kind === 216 /* FunctionDeclaration */ || node.kind === 154 /* ConstructorType */ || - node.kind === 148 /* CallSignature */ || node.kind === 145 /* Constructor */ || - node.kind === 149 /* ConstructSignature */) { - checkGrammarFunctionLikeDeclaration(node); - } - checkTypeParameters(node.typeParameters); - ts.forEach(node.parameters, checkParameter); - if (node.type) { - checkSourceElement(node.type); - } - if (produceDiagnostics) { - checkCollisionWithArgumentsInGeneratedCode(node); - if (compilerOptions.noImplicitAny && !node.type) { - switch (node.kind) { - case 149 /* ConstructSignature */: - error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - case 148 /* CallSignature */: - error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); - break; - } - } - if (node.type) { - if (languageVersion >= 2 /* ES6 */ && isSyntacticallyValidGenerator(node)) { - var returnType = getTypeFromTypeNode(node.type); - if (returnType === voidType) { - error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); - } - else { - var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; - var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); - // Naively, one could check that IterableIterator is assignable to the return type annotation. - // However, that would not catch the error in the following case. - // - // interface BadGenerator extends Iterable, Iterator { } - // function* g(): BadGenerator { } // Iterable and Iterator have different types! - // - checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); - } - } - else if (ts.isAsyncFunctionLike(node)) { - checkAsyncFunctionReturnType(node); - } - } - } - checkSpecializedSignatureDeclaration(node); - } - function checkTypeForDuplicateIndexSignatures(node) { - if (node.kind === 218 /* InterfaceDeclaration */) { - var nodeSymbol = getSymbolOfNode(node); - // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration - // to prevent this run check only for the first declaration of a given kind - if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { - return; - } - } - // TypeScript 1.0 spec (April 2014) - // 3.7.4: An object type can contain at most one string index signature and one numeric index signature. - // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration - var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); - if (indexSymbol) { - var seenNumericIndexer = false; - var seenStringIndexer = false; - for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - var declaration = decl; - if (declaration.parameters.length === 1 && declaration.parameters[0].type) { - switch (declaration.parameters[0].type.kind) { - case 130 /* StringKeyword */: - if (!seenStringIndexer) { - seenStringIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_string_index_signature); - } - break; - case 128 /* NumberKeyword */: - if (!seenNumericIndexer) { - seenNumericIndexer = true; - } - else { - error(declaration, ts.Diagnostics.Duplicate_number_index_signature); - } - break; - } - } - } - } - } - function checkPropertyDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); - checkVariableLikeDeclaration(node); - } - function checkMethodDeclaration(node) { - // Grammar checking - checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); - // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration - checkFunctionOrMethodDeclaration(node); - // Abstract methods cannot have an implementation. - // Extra checks are to avoid reporting multiple errors relating to the "abstractness" of the node. - if (node.flags & 128 /* Abstract */ && node.body) { - error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); - } - } - function checkConstructorDeclaration(node) { - // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function. - checkSignatureDeclaration(node); - // Grammar check for checking only related to constructoDeclaration - checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); - checkSourceElement(node.body); - var symbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); - // Only type check the symbol once - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(symbol); - } - // exit early in the case of signature - super checks are not relevant to them - if (ts.nodeIsMissing(node.body)) { - return; - } - if (!produceDiagnostics) { - return; - } - function markThisReferencesAsErrors(n) { - if (n.kind === 97 /* ThisKeyword */) { - error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); - } - else if (n.kind !== 176 /* FunctionExpression */ && n.kind !== 216 /* FunctionDeclaration */) { - ts.forEachChild(n, markThisReferencesAsErrors); - } - } - function isInstancePropertyWithInitializer(n) { - return n.kind === 142 /* PropertyDeclaration */ && - !(n.flags & 64 /* Static */) && - !!n.initializer; - } - // TS 1.0 spec (April 2014): 8.3.2 - // Constructors of classes with no extends clause may not contain super calls, whereas - // constructors of derived classes must contain at least one super call somewhere in their function body. - var containingClassDecl = node.parent; - if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { - var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); - var superCall = getSuperCallInConstructor(node); - if (superCall) { - if (classExtendsNull) { - error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); - } - // The first statement in the body of a constructor (excluding prologue directives) must be a super call - // if both of the following are true: - // - The containing class is a derived class. - // - The constructor declares parameter properties - // or the containing class declares instance member variables with initializers. - var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || - ts.forEach(node.parameters, function (p) { return p.flags & (8 /* Public */ | 16 /* Private */ | 32 /* Protected */); }); - // Skip past any prologue directives to find the first statement - // to ensure that it was a super call. - if (superCallShouldBeFirst) { - var statements = node.body.statements; - var superCallStatement = void 0; - for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { - var statement = statements_2[_i]; - if (statement.kind === 198 /* ExpressionStatement */ && ts.isSuperCallExpression(statement.expression)) { - superCallStatement = statement; - break; - } - if (!ts.isPrologueDirective(statement)) { - break; - } - } - if (!superCallStatement) { - error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); - } - } - } - else if (!classExtendsNull) { - error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); - } - } - } - function checkAccessorDeclaration(node) { - if (produceDiagnostics) { - // Grammar checking accessors - checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); - checkDecorators(node); - checkSignatureDeclaration(node); - if (node.kind === 146 /* GetAccessor */) { - if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288 /* HasImplicitReturn */)) { - if (node.flags & 1048576 /* HasExplicitReturn */) { - if (compilerOptions.noImplicitReturns) { - error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); - } - } - else { - error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); - } - } - } - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - // TypeScript 1.0 spec (April 2014): 8.4.3 - // Accessors for the same member name must specify the same accessibility. - var otherKind = node.kind === 146 /* GetAccessor */ ? 147 /* SetAccessor */ : 146 /* GetAccessor */; - var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); - if (otherAccessor) { - if (((node.flags & 56 /* AccessibilityModifier */) !== (otherAccessor.flags & 56 /* AccessibilityModifier */))) { - error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); - } - var currentAccessorType = getAnnotatedAccessorType(node); - var otherAccessorType = getAnnotatedAccessorType(otherAccessor); - // TypeScript 1.0 spec (April 2014): 4.5 - // If both accessors include type annotations, the specified types must be identical. - if (currentAccessorType && otherAccessorType) { - if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { - error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); - } - } - } - } - getTypeOfAccessors(getSymbolOfNode(node)); - } - if (node.parent.kind !== 168 /* ObjectLiteralExpression */) { - checkSourceElement(node.body); - } - else { - checkNodeDeferred(node); - } - } - function checkAccessorDeferred(node) { - checkSourceElement(node.body); - } - function checkMissingDeclaration(node) { - checkDecorators(node); - } - function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { - var typeArguments; - var mapper; - var result = true; - for (var i = 0; i < typeParameters.length; i++) { - var constraint = getConstraintOfTypeParameter(typeParameters[i]); - if (constraint) { - if (!typeArguments) { - typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); - mapper = createTypeMapper(typeParameters, typeArguments); - } - var typeArgument = typeArguments[i]; - result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); - } - } - return result; - } - function checkTypeReferenceNode(node) { - checkGrammarTypeArguments(node, node.typeArguments); - var type = getTypeFromTypeReference(node); - if (type !== unknownType && node.typeArguments) { - // Do type argument local checks only if referenced type is successfully resolved - ts.forEach(node.typeArguments, checkSourceElement); - if (produceDiagnostics) { - var symbol = getNodeLinks(node).resolvedSymbol; - var typeParameters = symbol.flags & 524288 /* TypeAlias */ ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; - checkTypeArgumentConstraints(typeParameters, node.typeArguments); - } - } - } - function checkTypeQuery(node) { - getTypeFromTypeQueryNode(node); - } - function checkTypeLiteral(node) { - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkArrayType(node) { - checkSourceElement(node.elementType); - } - function checkTupleType(node) { - // Grammar checking - var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); - if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { - grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); - } - ts.forEach(node.elementTypes, checkSourceElement); - } - function checkUnionOrIntersectionType(node) { - ts.forEach(node.types, checkSourceElement); - } - function isPrivateWithinAmbient(node) { - return (node.flags & 16 /* Private */) && ts.isInAmbientContext(node); - } - function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { - if (!produceDiagnostics) { - return; - } - var signature = getSignatureFromDeclaration(signatureDeclarationNode); - if (!signature.hasStringLiterals) { - return; - } - // TypeScript 1.0 spec (April 2014): 3.7.2.2 - // Specialized signatures are not permitted in conjunction with a function body - if (ts.nodeIsPresent(signatureDeclarationNode.body)) { - error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); - return; - } - // TypeScript 1.0 spec (April 2014): 3.7.2.4 - // Every specialized call or construct signature in an object type must be assignable - // to at least one non-specialized call or construct signature in the same object type - var signaturesToCheck; - // Unnamed (call\construct) signatures in interfaces are inherited and not shadowed so examining just node symbol won't give complete answer. - // Use declaring type to obtain full list of signatures. - if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218 /* InterfaceDeclaration */) { - ts.Debug.assert(signatureDeclarationNode.kind === 148 /* CallSignature */ || signatureDeclarationNode.kind === 149 /* ConstructSignature */); - var signatureKind = signatureDeclarationNode.kind === 148 /* CallSignature */ ? 0 /* Call */ : 1 /* Construct */; - var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); - var containingType = getDeclaredTypeOfSymbol(containingSymbol); - signaturesToCheck = getSignaturesOfType(containingType, signatureKind); - } - else { - signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); - } - for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { - var otherSignature = signaturesToCheck_1[_i]; - if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, /*ignoreReturnTypes*/ false)) { - return; - } - } - error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); - } - function getEffectiveDeclarationFlags(n, flagsToCheck) { - var flags = ts.getCombinedNodeFlags(n); - // children of classes (even ambient classes) should not be marked as ambient or export - // because those flags have no useful semantics there. - if (n.parent.kind !== 218 /* InterfaceDeclaration */ && - n.parent.kind !== 217 /* ClassDeclaration */ && - n.parent.kind !== 189 /* ClassExpression */ && - ts.isInAmbientContext(n)) { - if (!(flags & 4 /* Ambient */)) { - // It is nested in an ambient context, which means it is automatically exported - flags |= 2 /* Export */; - } - flags |= 4 /* Ambient */; - } - return flags & flagsToCheck; - } - function checkFunctionOrConstructorSymbol(symbol) { - if (!produceDiagnostics) { - return; - } - function getCanonicalOverload(overloads, implementation) { - // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration - // Error on all deviations from this canonical set of flags - // The caveat is that if some overloads are defined in lib.d.ts, we don't want to - // report the errors on those. To achieve this, we will say that the implementation is - // the canonical signature only if it is in the same container as the first overload - var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; - return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; - } - function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { - // Error if some overloads have a flag that is not shared by all overloads. To find the - // deviations, we XOR someOverloadFlags with allOverloadFlags - var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; - if (someButNotAllOverloadFlags !== 0) { - var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); - ts.forEach(overloads, function (o) { - var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; - if (deviation & 2 /* Export */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); - } - else if (deviation & 4 /* Ambient */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); - } - else if (deviation & (16 /* Private */ | 32 /* Protected */)) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); - } - else if (deviation & 128 /* Abstract */) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); - } - }); - } - } - function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { - if (someHaveQuestionToken !== allHaveQuestionToken) { - var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); - ts.forEach(overloads, function (o) { - var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; - if (deviation) { - error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); - } - }); - } - } - var flagsToCheck = 2 /* Export */ | 4 /* Ambient */ | 16 /* Private */ | 32 /* Protected */ | 128 /* Abstract */; - var someNodeFlags = 0; - var allNodeFlags = flagsToCheck; - var someHaveQuestionToken = false; - var allHaveQuestionToken = true; - var hasOverloads = false; - var bodyDeclaration; - var lastSeenNonAmbientDeclaration; - var previousDeclaration; - var declarations = symbol.declarations; - var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0; - function reportImplementationExpectedError(node) { - if (node.name && ts.nodeIsMissing(node.name)) { - return; - } - var seen = false; - var subsequentNode = ts.forEachChild(node.parent, function (c) { - if (seen) { - return c; - } - else { - seen = c === node; - } - }); - // We may be here because of some extra junk between overloads that could not be parsed into a valid node. - // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here. - if (subsequentNode && subsequentNode.pos === node.end) { - if (subsequentNode.kind === node.kind) { - var errorNode_1 = subsequentNode.name || subsequentNode; - // TODO(jfreeman): These are methods, so handle computed name case - if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { - var reportError = (node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && - (node.flags & 64 /* Static */) !== (subsequentNode.flags & 64 /* Static */); - // we can get here in two cases - // 1. mixed static and instance class members - // 2. something with the same name was defined before the set of overloads that prevents them from merging - // here we'll report error only for the first case since for second we should already report error in binder - if (reportError) { - var diagnostic = node.flags & 64 /* Static */ ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; - error(errorNode_1, diagnostic); - } - return; - } - else if (ts.nodeIsPresent(subsequentNode.body)) { - error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); - return; - } - } - } - var errorNode = node.name || node; - if (isConstructor) { - error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); - } - else { - // Report different errors regarding non-consecutive blocks of declarations depending on whether - // the node in question is abstract. - if (node.flags & 128 /* Abstract */) { - error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); - } - else { - error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); - } - } - } - // when checking exported function declarations across modules check only duplicate implementations - // names and consistency of modifiers are verified when we check local symbol - var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536 /* Module */; - var duplicateFunctionDeclaration = false; - var multipleConstructorImplementation = false; - for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { - var current = declarations_4[_i]; - var node = current; - var inAmbientContext = ts.isInAmbientContext(node); - var inAmbientContextOrInterface = node.parent.kind === 218 /* InterfaceDeclaration */ || node.parent.kind === 156 /* TypeLiteral */ || inAmbientContext; - if (inAmbientContextOrInterface) { - // check if declarations are consecutive only if they are non-ambient - // 1. ambient declarations can be interleaved - // i.e. this is legal - // declare function foo(); - // declare function bar(); - // declare function foo(); - // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one - previousDeclaration = undefined; - } - if (node.kind === 216 /* FunctionDeclaration */ || node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */ || node.kind === 145 /* Constructor */) { - var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); - someNodeFlags |= currentNodeFlags; - allNodeFlags &= currentNodeFlags; - someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); - allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); - if (ts.nodeIsPresent(node.body) && bodyDeclaration) { - if (isConstructor) { - multipleConstructorImplementation = true; - } - else { - duplicateFunctionDeclaration = true; - } - } - else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { - reportImplementationExpectedError(previousDeclaration); - } - if (ts.nodeIsPresent(node.body)) { - if (!bodyDeclaration) { - bodyDeclaration = node; - } - } - else { - hasOverloads = true; - } - previousDeclaration = node; - if (!inAmbientContextOrInterface) { - lastSeenNonAmbientDeclaration = node; - } - } - } - if (multipleConstructorImplementation) { - ts.forEach(declarations, function (declaration) { - error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); - }); - } - if (duplicateFunctionDeclaration) { - ts.forEach(declarations, function (declaration) { - error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); - }); - } - // Abstract methods can't have an implementation -- in particular, they don't need one. - if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && - !(lastSeenNonAmbientDeclaration.flags & 128 /* Abstract */)) { - reportImplementationExpectedError(lastSeenNonAmbientDeclaration); - } - if (hasOverloads) { - checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); - checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); - if (bodyDeclaration) { - var signatures = getSignaturesOfSymbol(symbol); - var bodySignature = getSignatureFromDeclaration(bodyDeclaration); - // If the implementation signature has string literals, we will have reported an error in - // checkSpecializedSignatureDeclaration - if (!bodySignature.hasStringLiterals) { - // TypeScript 1.0 spec (April 2014): 6.1 - // If a function declaration includes overloads, the overloads determine the call - // signatures of the type given to the function object - // and the function implementation signature must be assignable to that type - // - // TypeScript 1.0 spec (April 2014): 3.8.4 - // Note that specialized call and construct signatures (section 3.7.2.4) are not significant when determining assignment compatibility - // Consider checking against specialized signatures too. Not doing so creates a type hole: - // - // function g(x: "hi", y: boolean); - // function g(x: string, y: {}); - // function g(x: string, y: string) { } - // - // The implementation is completely unrelated to the specialized signature, yet we do not check this. - for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { - var signature = signatures_3[_a]; - if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { - error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); - break; - } - } - } - } - } - } - function checkExportsOnMergedDeclarations(node) { - if (!produceDiagnostics) { - return; - } - // if localSymbol is defined on node then node itself is exported - check is required - var symbol = node.localSymbol; - if (!symbol) { - // local symbol is undefined => this declaration is non-exported. - // however symbol might contain other declarations that are exported - symbol = getSymbolOfNode(node); - if (!(symbol.flags & 7340032 /* Export */)) { - // this is a pure local symbol (all declarations are non-exported) - no need to check anything - return; - } - } - // run the check only for the first declaration in the list - if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { - return; - } - // we use SymbolFlags.ExportValue, SymbolFlags.ExportType and SymbolFlags.ExportNamespace - // to denote disjoint declarationSpaces (without making new enum type). - var exportedDeclarationSpaces = 0 /* None */; - var nonExportedDeclarationSpaces = 0 /* None */; - var defaultExportedDeclarationSpaces = 0 /* None */; - for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { - var d = _a[_i]; - var declarationSpaces = getDeclarationSpaces(d); - var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 /* Export */ | 512 /* Default */); - if (effectiveDeclarationFlags & 2 /* Export */) { - if (effectiveDeclarationFlags & 512 /* Default */) { - defaultExportedDeclarationSpaces |= declarationSpaces; - } - else { - exportedDeclarationSpaces |= declarationSpaces; - } - } - else { - nonExportedDeclarationSpaces |= declarationSpaces; - } - } - // Spaces for anyting not declared a 'default export'. - var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; - var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; - var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; - if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { - // declaration spaces for exported and non-exported declarations intersect - for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { - var d = _c[_b]; - var declarationSpaces = getDeclarationSpaces(d); - // Only error on the declarations that conributed to the intersecting spaces. - if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { - error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); - } - else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { - error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); - } - } - } - function getDeclarationSpaces(d) { - switch (d.kind) { - case 218 /* InterfaceDeclaration */: - return 2097152 /* ExportType */; - case 221 /* ModuleDeclaration */: - return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */ - ? 4194304 /* ExportNamespace */ | 1048576 /* ExportValue */ - : 4194304 /* ExportNamespace */; - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - return 2097152 /* ExportType */ | 1048576 /* ExportValue */; - case 224 /* ImportEqualsDeclaration */: - var result_2 = 0; - var target = resolveAlias(getSymbolOfNode(d)); - ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); - return result_2; - default: - return 1048576 /* ExportValue */; - } - } - } - function checkNonThenableType(type, location, message) { - type = getWidenedType(type); - if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { - if (location) { - if (!message) { - message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; - } - error(location, message); - } - return unknownType; - } - return type; - } - /** - * Gets the "promised type" of a promise. - * @param type The type of the promise. - * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback. - */ - function getPromisedType(promise) { - // - // { // promise - // then( // thenFunction - // onfulfilled: ( // onfulfilledParameterType - // value: T // valueParameterType - // ) => any - // ): any; - // } - // - if (promise.flags & 1 /* Any */) { - return undefined; - } - if ((promise.flags & 4096 /* Reference */) && promise.target === tryGetGlobalPromiseType()) { - return promise.typeArguments[0]; - } - var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); - if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { - return undefined; - } - var thenFunction = getTypeOfPropertyOfType(promise, "then"); - if (thenFunction && (thenFunction.flags & 1 /* Any */)) { - return undefined; - } - var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* Call */) : emptyArray; - if (thenSignatures.length === 0) { - return undefined; - } - var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); - if (onfulfilledParameterType.flags & 1 /* Any */) { - return undefined; - } - var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* Call */); - if (onfulfilledParameterSignatures.length === 0) { - return undefined; - } - var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); - return valueParameterType; - } - function getTypeOfFirstParameterOfSignature(signature) { - return getTypeAtPosition(signature, 0); - } - /** - * Gets the "awaited type" of a type. - * @param type The type to await. - * @remarks The "awaited type" of an expression is its "promised type" if the expression is a - * Promise-like type; otherwise, it is the type of the expression. This is used to reflect - * The runtime behavior of the `await` keyword. - */ - function getAwaitedType(type) { - return checkAwaitedType(type, /*location*/ undefined, /*message*/ undefined); - } - function checkAwaitedType(type, location, message) { - return checkAwaitedTypeWorker(type); - function checkAwaitedTypeWorker(type) { - if (type.flags & 16384 /* Union */) { - var types = []; - for (var _i = 0, _a = type.types; _i < _a.length; _i++) { - var constituentType = _a[_i]; - types.push(checkAwaitedTypeWorker(constituentType)); - } - return getUnionType(types); - } - else { - var promisedType = getPromisedType(type); - if (promisedType === undefined) { - // The type was not a PromiseLike, so it could not be unwrapped any further. - // As long as the type does not have a callable "then" property, it is - // safe to return the type; otherwise, an error will have been reported in - // the call to checkNonThenableType and we will return unknownType. - // - // An example of a non-promise "thenable" might be: - // - // await { then(): void {} } - // - // The "thenable" does not match the minimal definition for a PromiseLike. When - // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise - // will never settle. We treat this as an error to help flag an early indicator - // of a runtime problem. If the user wants to return this value from an async - // function, they would need to wrap it in some other value. If they want it to - // be treated as a promise, they can cast to . - return checkNonThenableType(type, location, message); - } - else { - if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { - // We have a bad actor in the form of a promise whose promised type is - // the same promise type, or a mutually recursive promise. Return the - // unknown type as we cannot guess the shape. If this were the actual - // case in the JavaScript, this Promise would never resolve. - // - // An example of a bad actor with a singly-recursive promise type might - // be: - // - // interface BadPromise { - // then( - // onfulfilled: (value: BadPromise) => any, - // onrejected: (error: any) => any): BadPromise; - // } - // - // The above interface will pass the PromiseLike check, and return a - // promised type of `BadPromise`. Since this is a self reference, we - // don't want to keep recursing ad infinitum. - // - // An example of a bad actor in the form of a mutually-recursive - // promise type might be: - // - // interface BadPromiseA { - // then( - // onfulfilled: (value: BadPromiseB) => any, - // onrejected: (error: any) => any): BadPromiseB; - // } - // - // interface BadPromiseB { - // then( - // onfulfilled: (value: BadPromiseA) => any, - // onrejected: (error: any) => any): BadPromiseA; - // } - // - if (location) { - error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); - } - return unknownType; - } - // Keep track of the type we're about to unwrap to avoid bad recursive promise types. - // See the comments above for more information. - awaitedTypeStack.push(type.id); - var awaitedType = checkAwaitedTypeWorker(promisedType); - awaitedTypeStack.pop(); - return awaitedType; - } - } - } - } - /** - * Checks that the return type provided is an instantiation of the global Promise type - * and returns the awaited type of the return type. - * - * @param returnType The return type of a FunctionLikeDeclaration - * @param location The node on which to report the error. - */ - function checkCorrectPromiseType(returnType, location) { - if (returnType === unknownType) { - // The return type already had some other error, so we ignore and return - // the unknown type. - return unknownType; - } - var globalPromiseType = getGlobalPromiseType(); - if (globalPromiseType === emptyGenericType - || globalPromiseType === getTargetType(returnType)) { - // Either we couldn't resolve the global promise type, which would have already - // reported an error, or we could resolve it and the return type is a valid type - // reference to the global type. In either case, we return the awaited type for - // the return type. - return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - // The promise type was not a valid type reference to the global promise type, so we - // report an error and return the unknown type. - error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); - return unknownType; - } - /** - * Checks the return type of an async function to ensure it is a compatible - * Promise implementation. - * @param node The signature to check - * @param returnType The return type for the function - * @remarks - * This checks that an async function has a valid Promise-compatible return type, - * and returns the *awaited type* of the promise. An async function has a valid - * Promise-compatible return type if the resolved value of the return type has a - * construct signature that takes in an `initializer` function that in turn supplies - * a `resolve` function as one of its arguments and results in an object with a - * callable `then` signature. - */ - function checkAsyncFunctionReturnType(node) { - if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */) { - var returnType = getTypeFromTypeNode(node.type); - return checkCorrectPromiseType(returnType, node.type); - } - var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); - if (globalPromiseConstructorLikeType === emptyObjectType) { - // If we couldn't resolve the global PromiseConstructorLike type we cannot verify - // compatibility with __awaiter. - return unknownType; - } - // As part of our emit for an async function, we will need to emit the entity name of - // the return type annotation as an expression. To meet the necessary runtime semantics - // for __awaiter, we must also check that the type of the declaration (e.g. the static - // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`. - // - // An example might be (from lib.es6.d.ts): - // - // interface Promise { ... } - // interface PromiseConstructor { - // new (...): Promise; - // } - // declare var Promise: PromiseConstructor; - // - // When an async function declares a return type annotation of `Promise`, we - // need to get the type of the `Promise` variable declaration above, which would - // be `PromiseConstructor`. - // - // The same case applies to a class: - // - // declare class Promise { - // constructor(...); - // then(...): Promise; - // } - // - // When we get the type of the `Promise` symbol here, we get the type of the static - // side of the `Promise` class, which would be `{ new (...): Promise }`. - var promiseType = getTypeFromTypeNode(node.type); - if (promiseType === unknownType && compilerOptions.isolatedModules) { - // If we are compiling with isolatedModules, we may not be able to resolve the - // type as a value. As such, we will just return unknownType; - return unknownType; - } - var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; - if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { - var typeName = promiseConstructor - ? symbolToString(promiseConstructor) - : typeToString(promiseType); - error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); - return unknownType; - } - // If the Promise constructor, resolved locally, is an alias symbol we should mark it as referenced. - checkReturnTypeAnnotationAsExpression(node); - // Validate the promise constructor type. - var promiseConstructorType = getTypeOfSymbol(promiseConstructor); - if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { - return unknownType; - } - // Verify there is no local declaration that could collide with the promise constructor. - var promiseName = ts.getEntityNameFromTypeNode(node.type); - var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); - var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455 /* Value */); - if (rootSymbol) { - error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); - return unknownType; - } - // Get and return the awaited type of the return type. - return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); - } - /** Check a decorator */ - function checkDecorator(node) { - var signature = getResolvedSignature(node); - var returnType = getReturnTypeOfSignature(signature); - if (returnType.flags & 1 /* Any */) { - return; - } - var expectedReturnType; - var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); - var errorInfo; - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - var classSymbol = getSymbolOfNode(node.parent); - var classConstructorType = getTypeOfSymbol(classSymbol); - expectedReturnType = getUnionType([classConstructorType, voidType]); - break; - case 139 /* Parameter */: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); - break; - case 142 /* PropertyDeclaration */: - expectedReturnType = voidType; - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); - break; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - var methodType = getTypeOfNode(node.parent); - var descriptorType = createTypedPropertyDescriptorType(methodType); - expectedReturnType = getUnionType([descriptorType, voidType]); - break; - } - checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); - } - /** Checks a type reference node as an expression. */ - function checkTypeNodeAsExpression(node) { - // When we are emitting type metadata for decorators, we need to try to check the type - // as if it were an expression so that we can emit the type in a value position when we - // serialize the type metadata. - if (node && node.kind === 152 /* TypeReference */) { - var root = getFirstIdentifier(node.typeName); - var meaning = root.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; - // Resolve type so we know which symbol is referenced - var rootSymbol = resolveName(root, root.text, meaning | 8388608 /* Alias */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); - // Resolved symbol is alias - if (rootSymbol && rootSymbol.flags & 8388608 /* Alias */) { - var aliasTarget = resolveAlias(rootSymbol); - // If alias has value symbol - mark alias as referenced - if (aliasTarget.flags & 107455 /* Value */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { - markAliasSymbolAsReferenced(rootSymbol); - } - } - } - } - /** - * Checks the type annotation of an accessor declaration or property declaration as - * an expression if it is a type reference to a type with a value declaration. - */ - function checkTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - function checkReturnTypeAnnotationAsExpression(node) { - checkTypeNodeAsExpression(node.type); - } - /** Checks the type annotation of the parameters of a function/method or the constructor of a class as expressions */ - function checkParameterTypeAnnotationsAsExpressions(node) { - // ensure all type annotations with a value declaration are checked as an expression - for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { - var parameter = _a[_i]; - checkTypeAnnotationAsExpression(parameter); - } - } - /** Check the decorators of a node */ - function checkDecorators(node) { - if (!node.decorators) { - return; - } - // skip this check for nodes that cannot have decorators. These should have already had an error reported by - // checkGrammarDecorators. - if (!ts.nodeCanBeDecorated(node)) { - return; - } - if (!compilerOptions.experimentalDecorators) { - error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); - } - if (compilerOptions.emitDecoratorMetadata) { - // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator. - switch (node.kind) { - case 217 /* ClassDeclaration */: - var constructor = ts.getFirstConstructorWithBody(node); - if (constructor) { - checkParameterTypeAnnotationsAsExpressions(constructor); - } - break; - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - checkParameterTypeAnnotationsAsExpressions(node); - checkReturnTypeAnnotationAsExpression(node); - break; - case 142 /* PropertyDeclaration */: - case 139 /* Parameter */: - checkTypeAnnotationAsExpression(node); - break; - } - } - ts.forEach(node.decorators, checkDecorator); - } - function checkFunctionDeclaration(node) { - if (produceDiagnostics) { - checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkFunctionOrMethodDeclaration(node) { - checkDecorators(node); - checkSignatureDeclaration(node); - var isAsync = ts.isAsyncFunctionLike(node); - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name && node.name.kind === 137 /* ComputedPropertyName */) { - // This check will account for methods in class/interface declarations, - // as well as accessors in classes/object literals - checkComputedPropertyName(node.name); - } - if (!ts.hasDynamicName(node)) { - // first we want to check the local symbol that contain this declaration - // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol - // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode - var symbol = getSymbolOfNode(node); - var localSymbol = node.localSymbol || symbol; - // Since the javascript won't do semantic analysis like typescript, - // if the javascript file comes before the typescript file and both contain same name functions, - // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function. - var firstDeclaration = ts.forEach(localSymbol.declarations, - // Get first non javascript function declaration - function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? - declaration : undefined; }); - // Only type check the symbol once - if (node === firstDeclaration) { - checkFunctionOrConstructorSymbol(localSymbol); - } - if (symbol.parent) { - // run check once for the first declaration - if (ts.getDeclarationOfKind(symbol, node.kind) === node) { - // run check on export symbol to check that modifiers agree across all exported declarations - checkFunctionOrConstructorSymbol(symbol); - } - } - } - checkSourceElement(node.body); - if (!node.asteriskToken) { - var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); - checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); - } - if (produceDiagnostics && !node.type) { - // Report an implicit any error if there is no body, no explicit return type, and node is not a private method - // in an ambient context - if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { - reportImplicitAnyError(node, anyType); - } - if (node.asteriskToken && ts.nodeIsPresent(node.body)) { - // A generator with a body and no type annotation can still cause errors. It can error if the - // yielded values have no common supertype, or it can give an implicit any error if it has no - // yielded values. The only way to trigger these errors is to try checking its return type. - getReturnTypeOfSignature(getSignatureFromDeclaration(node)); - } - } - } - function checkBlock(node) { - // Grammar checking for SyntaxKind.Block - if (node.kind === 195 /* Block */) { - checkGrammarStatementInAmbientContext(node); - } - ts.forEach(node.statements, checkSourceElement); - } - function checkCollisionWithArgumentsInGeneratedCode(node) { - // no rest parameters \ declaration context \ overload - no codegen impact - if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { - return; - } - ts.forEach(node.parameters, function (p) { - if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { - error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); - } - }); - } - function needCollisionCheckForIdentifier(node, identifier, name) { - if (!(identifier && identifier.text === name)) { - return false; - } - if (node.kind === 142 /* PropertyDeclaration */ || - node.kind === 141 /* PropertySignature */ || - node.kind === 144 /* MethodDeclaration */ || - node.kind === 143 /* MethodSignature */ || - node.kind === 146 /* GetAccessor */ || - node.kind === 147 /* SetAccessor */) { - // it is ok to have member named '_super' or '_this' - member access is always qualified - return false; - } - if (ts.isInAmbientContext(node)) { - // ambient context - no codegen impact - return false; - } - var root = ts.getRootDeclaration(node); - if (root.kind === 139 /* Parameter */ && ts.nodeIsMissing(root.parent.body)) { - // just an overload - no codegen impact - return false; - } - return true; - } - function checkCollisionWithCapturedThisVariable(node, name) { - if (needCollisionCheckForIdentifier(node, name, "_this")) { - potentialThisCollisions.push(node); - } - } - // this function will run after checking the source file so 'CaptureThis' is correct for all nodes - function checkIfThisIsCapturedInEnclosingScope(node) { - var current = node; - while (current) { - if (getNodeCheckFlags(current) & 4 /* CaptureThis */) { - var isDeclaration_1 = node.kind !== 69 /* Identifier */; - if (isDeclaration_1) { - error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); - } - return; - } - current = current.parent; - } - } - function checkCollisionWithCapturedSuperVariable(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "_super")) { - return; - } - // bubble up and find containing type - var enclosingClass = ts.getContainingClass(node); - // if containing type was not found or it is ambient - exit (no codegen) - if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { - return; - } - if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { - var isDeclaration_2 = node.kind !== 69 /* Identifier */; - if (isDeclaration_2) { - error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); - } - else { - error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); - } - } - } - function checkCollisionWithRequireExportsInGeneratedCode(node, name) { - if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { - return; - } - // Uninstantiated modules shouldnt do this check - if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return; - } - // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent - var parent = getDeclarationContainer(node); - if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent)) { - // If the declaration happens to be in external module, report error that require and exports are reserved keywords - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { - if (!compilerOptions.noCustomAsyncPromise) { - return; - } - if (!needCollisionCheckForIdentifier(node, name, "Promise")) { - return; - } - // Uninstantiated modules shouldnt do this check - if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return; - } - // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent - var parent = getDeclarationContainer(node); - if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432 /* HasAsyncFunctions */) { - // If the declaration happens to be in external module, report error that Promise is a reserved identifier. - error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); - } - } - function checkVarDeclaredNamesNotShadowed(node) { - // - ScriptBody : StatementList - // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList - // also occurs in the VarDeclaredNames of StatementList. - // - Block : { StatementList } - // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList - // also occurs in the VarDeclaredNames of StatementList. - // Variable declarations are hoisted to the top of their function scope. They can shadow - // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition - // by the binder as the declaration scope is different. - // A non-initialized declaration is a no-op as the block declaration will resolve before the var - // declaration. the problem is if the declaration has an initializer. this will act as a write to the - // block declared value. this is fine for let, but not const. - // Only consider declarations with initializers, uninitialized const declarations will not - // step on a let/const variable. - // Do not consider const and const declarations, as duplicate block-scoped declarations - // are handled by the binder. - // We are only looking for const declarations that step on let\const declarations from a - // different scope. e.g.: - // { - // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration - // const x = 0; // symbol for this declaration will be 'symbol' - // } - // skip block-scoped variables and parameters - if ((ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) { - return; - } - // skip variable declarations that don't have initializers - // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern - // so we'll always treat binding elements as initialized - if (node.kind === 214 /* VariableDeclaration */ && !node.initializer) { - return; - } - var symbol = getSymbolOfNode(node); - if (symbol.flags & 1 /* FunctionScopedVariable */) { - var localDeclarationSymbol = resolveName(node, node.name.text, 3 /* Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); - if (localDeclarationSymbol && - localDeclarationSymbol !== symbol && - localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) { - if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576 /* BlockScoped */) { - var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215 /* VariableDeclarationList */); - var container = varDeclList.parent.kind === 196 /* VariableStatement */ && varDeclList.parent.parent - ? varDeclList.parent.parent - : undefined; - // names of block-scoped and function scoped variables can collide only - // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting) - var namesShareScope = container && - (container.kind === 195 /* Block */ && ts.isFunctionLike(container.parent) || - container.kind === 222 /* ModuleBlock */ || - container.kind === 221 /* ModuleDeclaration */ || - container.kind === 251 /* SourceFile */); - // here we know that function scoped variable is shadowed by block scoped one - // if they are defined in the same scope - binder has already reported redeclaration error - // otherwise if variable has an initializer - show error that initialization will fail - // since LHS will be block scoped name instead of function scoped - if (!namesShareScope) { - var name_16 = symbolToString(localDeclarationSymbol); - error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); - } - } - } - } - } - // Check that a parameter initializer contains no references to parameters declared to the right of itself - function checkParameterInitializer(node) { - if (ts.getRootDeclaration(node).kind !== 139 /* Parameter */) { - return; - } - var func = ts.getContainingFunction(node); - visit(node.initializer); - function visit(n) { - if (n.kind === 69 /* Identifier */) { - var referencedSymbol = getNodeLinks(n).resolvedSymbol; - // check FunctionLikeDeclaration.locals (stores parameters\function local variable) - // if it contains entry with a specified name and if this entry matches the resolved symbol - if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455 /* Value */) === referencedSymbol) { - if (referencedSymbol.valueDeclaration.kind === 139 /* Parameter */) { - if (referencedSymbol.valueDeclaration === node) { - error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); - return; - } - if (referencedSymbol.valueDeclaration.pos < node.pos) { - // legal case - parameter initializer references some parameter strictly on left of current parameter declaration - return; - } - } - error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); - } - } - else { - ts.forEachChild(n, visit); - } - } - } - // Check variable, parameter, or property declaration - function checkVariableLikeDeclaration(node) { - checkDecorators(node); - checkSourceElement(node.type); - // For a computed property, just check the initializer and exit - // Do not use hasDynamicName here, because that returns false for well known symbols. - // We want to perform checkComputedPropertyName for all computed properties, including - // well known symbols. - if (node.name.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.name); - if (node.initializer) { - checkExpressionCached(node.initializer); - } - } - if (node.kind === 166 /* BindingElement */) { - // check computed properties inside property names of binding elements - if (node.propertyName && node.propertyName.kind === 137 /* ComputedPropertyName */) { - checkComputedPropertyName(node.propertyName); - } - } - // For a binding pattern, check contained binding elements - if (ts.isBindingPattern(node.name)) { - ts.forEach(node.name.elements, checkSourceElement); - } - // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body - if (node.initializer && ts.getRootDeclaration(node).kind === 139 /* Parameter */ && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { - error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); - return; - } - // For a binding pattern, validate the initializer and exit - if (ts.isBindingPattern(node.name)) { - // Don't validate for-in initializer as it is already an error - if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, /*headMessage*/ undefined); - checkParameterInitializer(node); - } - return; - } - var symbol = getSymbolOfNode(node); - var type = getTypeOfVariableOrParameterOrProperty(symbol); - if (node === symbol.valueDeclaration) { - // Node is the primary declaration of the symbol, just validate the initializer - // Don't validate for-in initializer as it is already an error - if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, /*headMessage*/ undefined); - checkParameterInitializer(node); - } - } - else { - // Node is a secondary declaration, check that type is identical to primary declaration and check that - // initializer is consistent with type associated with the node - var declarationType = getWidenedTypeForVariableLikeDeclaration(node); - if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { - error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); - } - if (node.initializer) { - checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, /*headMessage*/ undefined); - } - } - if (node.kind !== 142 /* PropertyDeclaration */ && node.kind !== 141 /* PropertySignature */) { - // We know we don't have a binding pattern or computed name here - checkExportsOnMergedDeclarations(node); - if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { - checkVarDeclaredNamesNotShadowed(node); - } - checkCollisionWithCapturedSuperVariable(node, node.name); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - } - function checkVariableDeclaration(node) { - checkGrammarVariableDeclaration(node); - return checkVariableLikeDeclaration(node); - } - function checkBindingElement(node) { - checkGrammarBindingElement(node); - return checkVariableLikeDeclaration(node); - } - function checkVariableStatement(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); - ts.forEach(node.declarationList.declarations, checkSourceElement); - } - function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { - // We only disallow modifier on a method declaration if it is a property of object-literal-expression - if (node.modifiers && node.parent.kind === 168 /* ObjectLiteralExpression */) { - if (ts.isAsyncFunctionLike(node)) { - if (node.modifiers.length > 1) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - } - } - function checkExpressionStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - } - function checkIfStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.thenStatement); - if (node.thenStatement.kind === 197 /* EmptyStatement */) { - error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); - } - checkSourceElement(node.elseStatement); - } - function checkDoStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkSourceElement(node.statement); - checkExpression(node.expression); - } - function checkWhileStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkExpression(node.expression); - checkSourceElement(node.statement); - } - function checkForStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { - checkGrammarVariableDeclarationList(node.initializer); - } - } - if (node.initializer) { - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - ts.forEach(node.initializer.declarations, checkVariableDeclaration); - } - else { - checkExpression(node.initializer); - } - } - if (node.condition) - checkExpression(node.condition); - if (node.incrementor) - checkExpression(node.incrementor); - checkSourceElement(node.statement); - } - function checkForOfStatement(node) { - checkGrammarForInOrForOfStatement(node); - // Check the LHS and RHS - // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS - // via checkRightHandSideOfForOf. - // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference. - // Then check that the RHS is assignable to it. - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - checkForInOrForOfVariableDeclaration(node); - } - else { - var varExpr = node.initializer; - var iteratedType = checkRightHandSideOfForOf(node.expression); - // There may be a destructuring assignment on the left side - if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { - // iteratedType may be undefined. In this case, we still want to check the structure of - // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like - // to short circuit the type relation checking as much as possible, so we pass the unknownType. - checkDestructuringAssignment(varExpr, iteratedType || unknownType); - } - else { - var leftType = checkExpression(varExpr); - checkReferenceExpression(varExpr, /*invalidReferenceMessage*/ ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, - /*constantVariableMessage*/ ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); - // iteratedType will be undefined if the rightType was missing properties/signatures - // required to get its iteratedType (like [Symbol.iterator] or next). This may be - // because we accessed properties from anyType, or it may have led to an error inside - // getElementTypeOfIterable. - if (iteratedType) { - checkTypeAssignableTo(iteratedType, leftType, varExpr, /*headMessage*/ undefined); - } - } - } - checkSourceElement(node.statement); - } - function checkForInStatement(node) { - // Grammar checking - checkGrammarForInOrForOfStatement(node); - // TypeScript 1.0 spec (April 2014): 5.4 - // In a 'for-in' statement of the form - // for (let VarDecl in Expr) Statement - // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any, - // and Expr must be an expression of type Any, an object type, or a type parameter type. - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - var variable = node.initializer.declarations[0]; - if (variable && ts.isBindingPattern(variable.name)) { - error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - checkForInOrForOfVariableDeclaration(node); - } - else { - // In a 'for-in' statement of the form - // for (Var in Expr) Statement - // Var must be an expression classified as a reference of type Any or the String primitive type, - // and Expr must be an expression of type Any, an object type, or a type parameter type. - var varExpr = node.initializer; - var leftType = checkExpression(varExpr); - if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); - } - else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */)) { - error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); - } - else { - // run check only former check succeeded to avoid cascading errors - checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); - } - } - var rightType = checkExpression(node.expression); - // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved - // in this case error about missing name is already reported - do not report extra one - if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { - error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); - } - checkSourceElement(node.statement); - } - function checkForInOrForOfVariableDeclaration(iterationStatement) { - var variableDeclarationList = iterationStatement.initializer; - // checkGrammarForInOrForOfStatement will check that there is exactly one declaration. - if (variableDeclarationList.declarations.length >= 1) { - var decl = variableDeclarationList.declarations[0]; - checkVariableDeclaration(decl); - } - } - function checkRightHandSideOfForOf(rhsExpression) { - var expressionType = getTypeOfExpression(rhsExpression); - return checkIteratedTypeOrElementType(expressionType, rhsExpression, /*allowStringInput*/ true); - } - function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { - if (isTypeAny(inputType)) { - return inputType; - } - if (languageVersion >= 2 /* ES6 */) { - return checkElementTypeOfIterable(inputType, errorNode); - } - if (allowStringInput) { - return checkElementTypeOfArrayOrString(inputType, errorNode); - } - if (isArrayLikeType(inputType)) { - var indexType = getIndexTypeOfType(inputType, 1 /* Number */); - if (indexType) { - return indexType; - } - } - error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); - return unknownType; - } - /** - * When errorNode is undefined, it means we should not report any errors. - */ - function checkElementTypeOfIterable(iterable, errorNode) { - var elementType = getElementTypeOfIterable(iterable, errorNode); - // Now even though we have extracted the iteratedType, we will have to validate that the type - // passed in is actually an Iterable. - if (errorNode && elementType) { - checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); - } - return elementType || anyType; - } - /** - * We want to treat type as an iterable, and get the type it is an iterable of. The iterable - * must have the following structure (annotated with the names of the variables below): - * - * { // iterable - * [Symbol.iterator]: { // iteratorFunction - * (): Iterator - * } - * } - * - * T is the type we are after. At every level that involves analyzing return types - * of signatures, we union the return types of all the signatures. - * - * Another thing to note is that at any step of this process, we could run into a dead end, - * meaning either the property is missing, or we run into the anyType. If either of these things - * happens, we return undefined to signal that we could not find the iterated type. If a property - * is missing, and the previous step did not result in 'any', then we also give an error if the - * caller requested it. Then the caller can decide what to do in the case where there is no iterated - * type. This is different from returning anyType, because that would signify that we have matched the - * whole pattern and that T (above) is 'any'. - */ - function getElementTypeOfIterable(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterable = type; - if (!typeAsIterable.iterableElementType) { - // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIterableType) { - typeAsIterable.iterableElementType = type.typeArguments[0]; - } - else { - var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); - if (isTypeAny(iteratorFunction)) { - return undefined; - } - var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0 /* Call */) : emptyArray; - if (iteratorFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); - } - return undefined; - } - typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); - } - } - return typeAsIterable.iterableElementType; - } - /** - * This function has very similar logic as getElementTypeOfIterable, except that it operates on - * Iterators instead of Iterables. Here is the structure: - * - * { // iterator - * next: { // iteratorNextFunction - * (): { // iteratorNextResult - * value: T // iteratorNextValue - * } - * } - * } - * - */ - function getElementTypeOfIterator(type, errorNode) { - if (isTypeAny(type)) { - return undefined; - } - var typeAsIterator = type; - if (!typeAsIterator.iteratorElementType) { - // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIteratorType) { - typeAsIterator.iteratorElementType = type.typeArguments[0]; - } - else { - var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); - if (isTypeAny(iteratorNextFunction)) { - return undefined; - } - var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0 /* Call */) : emptyArray; - if (iteratorNextFunctionSignatures.length === 0) { - if (errorNode) { - error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); - } - return undefined; - } - var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); - if (isTypeAny(iteratorNextResult)) { - return undefined; - } - var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); - if (!iteratorNextValue) { - if (errorNode) { - error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); - } - return undefined; - } - typeAsIterator.iteratorElementType = iteratorNextValue; - } - } - return typeAsIterator.iteratorElementType; - } - function getElementTypeOfIterableIterator(type) { - if (isTypeAny(type)) { - return undefined; - } - // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), - // then just grab its type argument. - if ((type.flags & 4096 /* Reference */) && type.target === globalIterableIteratorType) { - return type.typeArguments[0]; - } - return getElementTypeOfIterable(type, /*errorNode*/ undefined) || - getElementTypeOfIterator(type, /*errorNode*/ undefined); - } - /** - * This function does the following steps: - * 1. Break up arrayOrStringType (possibly a union) into its string constituents and array constituents. - * 2. Take the element types of the array constituents. - * 3. Return the union of the element types, and string if there was a string constitutent. - * - * For example: - * string -> string - * number[] -> number - * string[] | number[] -> string | number - * string | number[] -> string | number - * string | string[] | number[] -> string | number - * - * It also errors if: - * 1. Some constituent is neither a string nor an array. - * 2. Some constituent is a string and target is less than ES5 (because in ES3 string is not indexable). - */ - function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { - ts.Debug.assert(languageVersion < 2 /* ES6 */); - // After we remove all types that are StringLike, we will know if there was a string constituent - // based on whether the remaining type is the same as the initial type. - var arrayType = arrayOrStringType; - if (arrayOrStringType.flags & 16384 /* Union */) { - arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258 /* StringLike */); })); - } - else if (arrayOrStringType.flags & 258 /* StringLike */) { - arrayType = emptyUnionType; - } - var hasStringConstituent = arrayOrStringType !== arrayType; - var reportedError = false; - if (hasStringConstituent) { - if (languageVersion < 1 /* ES5 */) { - error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); - reportedError = true; - } - // Now that we've removed all the StringLike types, if no constituents remain, then the entire - // arrayOrStringType was a string. - if (arrayType === emptyObjectType) { - return stringType; - } - } - if (!isArrayLikeType(arrayType)) { - if (!reportedError) { - // Which error we report depends on whether there was a string constituent. For example, - // if the input type is number | string, we want to say that number is not an array type. - // But if the input was just number, we want to say that number is not an array type - // or a string type. - var diagnostic = hasStringConstituent - ? ts.Diagnostics.Type_0_is_not_an_array_type - : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; - error(errorNode, diagnostic, typeToString(arrayType)); - } - return hasStringConstituent ? stringType : unknownType; - } - var arrayElementType = getIndexTypeOfType(arrayType, 1 /* Number */) || unknownType; - if (hasStringConstituent) { - // This is just an optimization for the case where arrayOrStringType is string | string[] - if (arrayElementType.flags & 258 /* StringLike */) { - return stringType; - } - return getUnionType([arrayElementType, stringType]); - } - return arrayElementType; - } - function checkBreakOrContinueStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); - // TODO: Check that target label is valid - } - function isGetAccessorWithAnnotatatedSetAccessor(node) { - return !!(node.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147 /* SetAccessor */))); - } - function checkReturnStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - var functionBlock = ts.getContainingFunction(node); - if (!functionBlock) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); - } - } - if (node.expression) { - var func = ts.getContainingFunction(node); - if (func) { - var signature = getSignatureFromDeclaration(func); - var returnType = getReturnTypeOfSignature(signature); - var exprType = checkExpressionCached(node.expression); - if (func.asteriskToken) { - // A generator does not need its return expressions checked against its return type. - // Instead, the yield expressions are checked against the element type. - // TODO: Check return expressions of generators when return type tracking is added - // for generators. - return; - } - if (func.kind === 147 /* SetAccessor */) { - error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); - } - else if (func.kind === 145 /* Constructor */) { - if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { - error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); - } - } - else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { - if (ts.isAsyncFunctionLike(func)) { - var promisedType = getPromisedType(returnType); - var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); - if (promisedType) { - // If the function has a return type, but promisedType is - // undefined, an error will be reported in checkAsyncFunctionReturnType - // so we don't need to report one here. - checkTypeAssignableTo(awaitedType, promisedType, node.expression); - } - } - else { - checkTypeAssignableTo(exprType, returnType, node.expression); - } - } - } - } - } - function checkWithStatement(node) { - // Grammar checking for withStatement - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.parserContextFlags & 8 /* Await */) { - grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); - } - } - checkExpression(node.expression); - error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); - } - function checkSwitchStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - var firstDefaultClause; - var hasDuplicateDefaultClause = false; - var expressionType = checkExpression(node.expression); - var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258 /* StringLike */); - ts.forEach(node.caseBlock.clauses, function (clause) { - // Grammar check for duplicate default clauses, skip if we already report duplicate default clause - if (clause.kind === 245 /* DefaultClause */ && !hasDuplicateDefaultClause) { - if (firstDefaultClause === undefined) { - firstDefaultClause = clause; - } - else { - var sourceFile = ts.getSourceFileOfNode(node); - var start = ts.skipTrivia(sourceFile.text, clause.pos); - var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; - grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); - hasDuplicateDefaultClause = true; - } - } - if (produceDiagnostics && clause.kind === 244 /* CaseClause */) { - var caseClause = clause; - // TypeScript 1.0 spec (April 2014):5.9 - // In a 'switch' statement, each 'case' expression must be of a type that is assignable to or from the type of the 'switch' expression. - var caseType = checkExpression(caseClause.expression); - var expressionTypeIsAssignableToCaseType = - // Permit 'number[] | "foo"' to be asserted to 'string'. - (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258 /* StringLike */)) || - isTypeAssignableTo(expressionType, caseType); - if (!expressionTypeIsAssignableToCaseType) { - // 'expressionType is not assignable to caseType', try the reversed check and report errors if it fails - checkTypeAssignableTo(caseType, expressionType, caseClause.expression, /*headMessage*/ undefined); - } - } - ts.forEach(clause.statements, checkSourceElement); - }); - } - function checkLabeledStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - var current = node.parent; - while (current) { - if (ts.isFunctionLike(current)) { - break; - } - if (current.kind === 210 /* LabeledStatement */ && current.label.text === node.label.text) { - var sourceFile = ts.getSourceFileOfNode(node); - grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); - break; - } - current = current.parent; - } - } - // ensure that label is unique - checkSourceElement(node.statement); - } - function checkThrowStatement(node) { - // Grammar checking - if (!checkGrammarStatementInAmbientContext(node)) { - if (node.expression === undefined) { - grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); - } - } - if (node.expression) { - checkExpression(node.expression); - } - } - function checkTryStatement(node) { - // Grammar checking - checkGrammarStatementInAmbientContext(node); - checkBlock(node.tryBlock); - var catchClause = node.catchClause; - if (catchClause) { - // Grammar checking - if (catchClause.variableDeclaration) { - if (catchClause.variableDeclaration.name.kind !== 69 /* Identifier */) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); - } - else if (catchClause.variableDeclaration.type) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); - } - else if (catchClause.variableDeclaration.initializer) { - grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); - } - else { - var identifierName = catchClause.variableDeclaration.name.text; - var locals = catchClause.block.locals; - if (locals && ts.hasProperty(locals, identifierName)) { - var localSymbol = locals[identifierName]; - if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { - grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); - } - } - } - } - checkBlock(catchClause.block); - } - if (node.finallyBlock) { - checkBlock(node.finallyBlock); - } - } - function checkIndexConstraints(type) { - var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */); - var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */); - var stringIndexType = getIndexTypeOfType(type, 0 /* String */); - var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); - if (stringIndexType || numberIndexType) { - ts.forEach(getPropertiesOfObjectType(type), function (prop) { - var propType = getTypeOfSymbol(prop); - checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); - checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); - }); - if (type.flags & 1024 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { - var classDeclaration = type.symbol.valueDeclaration; - for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { - var member = _a[_i]; - // Only process instance properties with computed names here. - // Static properties cannot be in conflict with indexers, - // and properties with literal names were already checked. - if (!(member.flags & 64 /* Static */) && ts.hasDynamicName(member)) { - var propType = getTypeOfSymbol(member.symbol); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); - checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); - } - } - } - } - var errorNode; - if (stringIndexType && numberIndexType) { - errorNode = declaredNumberIndexer || declaredStringIndexer; - // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer - if (!errorNode && (type.flags & 2048 /* Interface */)) { - var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); - errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; - } - } - if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { - error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); - } - function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { - if (!indexType) { - return; - } - // index is numeric and property name is not valid numeric literal - if (indexKind === 1 /* Number */ && !isNumericName(prop.valueDeclaration.name)) { - return; - } - // perform property check if property or indexer is declared in 'type' - // this allows to rule out cases when both property and indexer are inherited from the base class - var errorNode; - if (prop.valueDeclaration.name.kind === 137 /* ComputedPropertyName */ || prop.parent === containingType.symbol) { - errorNode = prop.valueDeclaration; - } - else if (indexDeclaration) { - errorNode = indexDeclaration; - } - else if (containingType.flags & 2048 /* Interface */) { - // for interfaces property and indexer might be inherited from different bases - // check if any base class already has both property and indexer. - // check should be performed only if 'type' is the first type that brings property\indexer together - var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); - errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; - } - if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { - var errorMessage = indexKind === 0 /* String */ - ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 - : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; - error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); - } - } - } - function checkTypeNameIsReserved(name, message) { - // TS 1.0 spec (April 2014): 3.6.1 - // The predefined type keywords are reserved and cannot be used as names of user defined types. - switch (name.text) { - case "any": - case "number": - case "boolean": - case "string": - case "symbol": - case "void": - error(name, message, name.text); - } - } - // Check each type parameter and check that list has no duplicate type parameter declarations - function checkTypeParameters(typeParameterDeclarations) { - if (typeParameterDeclarations) { - for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { - var node = typeParameterDeclarations[i]; - checkTypeParameter(node); - if (produceDiagnostics) { - for (var j = 0; j < i; j++) { - if (typeParameterDeclarations[j].symbol === node.symbol) { - error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); - } - } - } - } - } - } - function checkClassExpression(node) { - checkClassLikeDeclaration(node); - checkNodeDeferred(node); - return getTypeOfSymbol(getSymbolOfNode(node)); - } - function checkClassExpressionDeferred(node) { - ts.forEach(node.members, checkSourceElement); - } - function checkClassDeclaration(node) { - if (!node.name && !(node.flags & 512 /* Default */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); - } - checkClassLikeDeclaration(node); - ts.forEach(node.members, checkSourceElement); - } - function checkClassLikeDeclaration(node) { - checkGrammarClassDeclarationHeritageClauses(node); - checkDecorators(node); - if (node.name) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - } - checkTypeParameters(node.typeParameters); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - var staticType = getTypeOfSymbol(symbol); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length && produceDiagnostics) { - var baseType_1 = baseTypes[0]; - var staticBaseType = getBaseConstructorTypeOfClass(type); - checkSourceElement(baseTypeNode.expression); - if (baseTypeNode.typeArguments) { - ts.forEach(baseTypeNode.typeArguments, checkSourceElement); - for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { - var constructor = _a[_i]; - if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { - break; - } - } - } - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); - checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); - if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* Class */)) { - // When the static base type is a "class-like" constructor function (but not actually a class), we verify - // that all instantiated base constructor signatures return the same type. We can simply compare the type - // references (as opposed to checking the structure of the types) because elsewhere we have already checked - // that the base type is a class or interface type (and not, for example, an anonymous object type). - var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); - if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { - error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); - } - } - checkKindsOfPropertyMemberOverrides(type, baseType_1); - } - } - var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); - if (implementedTypeNodes) { - for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { - var typeRefNode = implementedTypeNodes_1[_b]; - if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { - error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(typeRefNode); - if (produceDiagnostics) { - var t = getTypeFromTypeNode(typeRefNode); - if (t !== unknownType) { - var declaredType = (t.flags & 4096 /* Reference */) ? t.target : t; - if (declaredType.flags & (1024 /* Class */ | 2048 /* Interface */)) { - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); - } - else { - error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); - } - } - } - } - } - if (produceDiagnostics) { - checkIndexConstraints(type); - checkTypeForDuplicateIndexSignatures(node); - } - } - function getTargetSymbol(s) { - // if symbol is instantiated its flags are not copied from the 'target' - // so we'll need to get back original 'target' symbol to work with correct set of flags - return s.flags & 16777216 /* Instantiated */ ? getSymbolLinks(s).target : s; - } - function getClassLikeDeclarationOfSymbol(symbol) { - return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); - } - function checkKindsOfPropertyMemberOverrides(type, baseType) { - // TypeScript 1.0 spec (April 2014): 8.2.3 - // A derived class inherits all members from its base class it doesn't override. - // Inheritance means that a derived class implicitly contains all non - overridden members of the base class. - // Both public and private property members are inherited, but only public property members can be overridden. - // A property member in a derived class is said to override a property member in a base class - // when the derived class property member has the same name and kind(instance or static) - // as the base class property member. - // The type of an overriding property member must be assignable(section 3.8.4) - // to the type of the overridden property member, or otherwise a compile - time error occurs. - // Base class instance member functions can be overridden by derived class instance member functions, - // but not by other kinds of members. - // Base class instance member variables and accessors can be overridden by - // derived class instance member variables and accessors, but not by other kinds of members. - // NOTE: assignability is checked in checkClassDeclaration - var baseProperties = getPropertiesOfObjectType(baseType); - for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { - var baseProperty = baseProperties_1[_i]; - var base = getTargetSymbol(baseProperty); - if (base.flags & 134217728 /* Prototype */) { - continue; - } - var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); - var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); - ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); - if (derived) { - // In order to resolve whether the inherited method was overriden in the base class or not, - // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated* - // type declaration, derived and base resolve to the same symbol even in the case of generic classes. - if (derived === base) { - // derived class inherits base without override/redeclaration - var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); - // It is an error to inherit an abstract member without implementing it or being declared abstract. - // If there is no declaration for the derived class (as in the case of class expressions), - // then the class cannot be declared abstract. - if (baseDeclarationFlags & 128 /* Abstract */ && (!derivedClassDecl || !(derivedClassDecl.flags & 128 /* Abstract */))) { - if (derivedClassDecl.kind === 189 /* ClassExpression */) { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); - } - else { - error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); - } - } - } - else { - // derived overrides base. - var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); - if ((baseDeclarationFlags & 16 /* Private */) || (derivedDeclarationFlags & 16 /* Private */)) { - // either base or derived property is private - not override, skip it - continue; - } - if ((baseDeclarationFlags & 64 /* Static */) !== (derivedDeclarationFlags & 64 /* Static */)) { - // value of 'static' is not the same for properties - not override, skip it - continue; - } - if ((base.flags & derived.flags & 8192 /* Method */) || ((base.flags & 98308 /* PropertyOrAccessor */) && (derived.flags & 98308 /* PropertyOrAccessor */))) { - // method is overridden with method or property/accessor is overridden with property/accessor - correct case - continue; - } - var errorMessage = void 0; - if (base.flags & 8192 /* Method */) { - if (derived.flags & 98304 /* Accessor */) { - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; - } - else { - ts.Debug.assert((derived.flags & 4 /* Property */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; - } - } - else if (base.flags & 4 /* Property */) { - ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; - } - else { - ts.Debug.assert((base.flags & 98304 /* Accessor */) !== 0); - ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); - errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; - } - error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); - } - } - } - } - function isAccessor(kind) { - return kind === 146 /* GetAccessor */ || kind === 147 /* SetAccessor */; - } - function areTypeParametersIdentical(list1, list2) { - if (!list1 && !list2) { - return true; - } - if (!list1 || !list2 || list1.length !== list2.length) { - return false; - } - // TypeScript 1.0 spec (April 2014): - // When a generic interface has multiple declarations, all declarations must have identical type parameter - // lists, i.e. identical type parameter names with identical constraints in identical order. - for (var i = 0, len = list1.length; i < len; i++) { - var tp1 = list1[i]; - var tp2 = list2[i]; - if (tp1.name.text !== tp2.name.text) { - return false; - } - if (!tp1.constraint && !tp2.constraint) { - continue; - } - if (!tp1.constraint || !tp2.constraint) { - return false; - } - if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { - return false; - } - } - return true; - } - function checkInheritedPropertiesAreIdentical(type, typeNode) { - var baseTypes = getBaseTypes(type); - if (baseTypes.length < 2) { - return true; - } - var seen = {}; - ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); - var ok = true; - for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { - var base = baseTypes_2[_i]; - var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); - for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { - var prop = properties_4[_a]; - if (!ts.hasProperty(seen, prop.name)) { - seen[prop.name] = { prop: prop, containingType: base }; - } - else { - var existing = seen[prop.name]; - var isInheritedProperty = existing.containingType !== type; - if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { - ok = false; - var typeName1 = typeToString(existing.containingType); - var typeName2 = typeToString(base); - var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); - errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); - diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); - } - } - } - } - return ok; - } - function checkInterfaceDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); - checkTypeParameters(node.typeParameters); - if (produceDiagnostics) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); - if (symbol.declarations.length > 1) { - if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { - error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); - } - } - // Only check this symbol once - if (node === firstInterfaceDecl) { - var type = getDeclaredTypeOfSymbol(symbol); - var typeWithThis = getTypeWithThisArgument(type); - // run subsequent checks only if first set succeeded - if (checkInheritedPropertiesAreIdentical(type, node.name)) { - for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { - var baseType = _a[_i]; - checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); - } - checkIndexConstraints(type); - } - } - } - ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { - if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { - error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); - } - checkTypeReferenceNode(heritageElement); - }); - ts.forEach(node.members, checkSourceElement); - if (produceDiagnostics) { - checkTypeForDuplicateIndexSignatures(node); - } - } - function checkTypeAliasDeclaration(node) { - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); - checkSourceElement(node.type); - } - function computeEnumMemberValues(node) { - var nodeLinks = getNodeLinks(node); - if (!(nodeLinks.flags & 16384 /* EnumValuesComputed */)) { - var enumSymbol = getSymbolOfNode(node); - var enumType = getDeclaredTypeOfSymbol(enumSymbol); - var autoValue = 0; // set to undefined when enum member is non-constant - var ambient = ts.isInAmbientContext(node); - var enumIsConst = ts.isConst(node); - for (var _i = 0, _a = node.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (isComputedNonLiteralName(member.name)) { - error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); - } - else { - var text = getTextOfPropertyName(member.name); - if (isNumericLiteralName(text)) { - error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); - } - } - var previousEnumMemberIsNonConstant = autoValue === undefined; - var initializer = member.initializer; - if (initializer) { - autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); - } - else if (ambient && !enumIsConst) { - // In ambient enum declarations that specify no const modifier, enum member declarations - // that omit a value are considered computed members (as opposed to having auto-incremented values assigned). - autoValue = undefined; - } - else if (previousEnumMemberIsNonConstant) { - // If the member declaration specifies no value, the member is considered a constant enum member. - // If the member is the first member in the enum declaration, it is assigned the value zero. - // Otherwise, it is assigned the value of the immediately preceding member plus one, - // and an error occurs if the immediately preceding member is not a constant enum member - error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); - } - if (autoValue !== undefined) { - getNodeLinks(member).enumMemberValue = autoValue; - autoValue++; - } - } - nodeLinks.flags |= 16384 /* EnumValuesComputed */; - } - function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { - // Controls if error should be reported after evaluation of constant value is completed - // Can be false if another more precise error was already reported during evaluation. - var reportError = true; - var value = evalConstant(initializer); - if (reportError) { - if (value === undefined) { - if (enumIsConst) { - error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); - } - else if (ambient) { - error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); - } - else { - // Only here do we need to check that the initializer is assignable to the enum type. - checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, /*headMessage*/ undefined); - } - } - else if (enumIsConst) { - if (isNaN(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); - } - else if (!isFinite(value)) { - error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); - } - } - } - return value; - function evalConstant(e) { - switch (e.kind) { - case 182 /* PrefixUnaryExpression */: - var value_1 = evalConstant(e.operand); - if (value_1 === undefined) { - return undefined; - } - switch (e.operator) { - case 35 /* PlusToken */: return value_1; - case 36 /* MinusToken */: return -value_1; - case 50 /* TildeToken */: return ~value_1; - } - return undefined; - case 184 /* BinaryExpression */: - var left = evalConstant(e.left); - if (left === undefined) { - return undefined; - } - var right = evalConstant(e.right); - if (right === undefined) { - return undefined; - } - switch (e.operatorToken.kind) { - case 47 /* BarToken */: return left | right; - case 46 /* AmpersandToken */: return left & right; - case 44 /* GreaterThanGreaterThanToken */: return left >> right; - case 45 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right; - case 43 /* LessThanLessThanToken */: return left << right; - case 48 /* CaretToken */: return left ^ right; - case 37 /* AsteriskToken */: return left * right; - case 39 /* SlashToken */: return left / right; - case 35 /* PlusToken */: return left + right; - case 36 /* MinusToken */: return left - right; - case 40 /* PercentToken */: return left % right; - } - return undefined; - case 8 /* NumericLiteral */: - return +e.text; - case 175 /* ParenthesizedExpression */: - return evalConstant(e.expression); - case 69 /* Identifier */: - case 170 /* ElementAccessExpression */: - case 169 /* PropertyAccessExpression */: - var member = initializer.parent; - var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); - var enumType_1; - var propertyName = void 0; - if (e.kind === 69 /* Identifier */) { - // unqualified names can refer to member that reside in different declaration of the enum so just doing name resolution won't work. - // instead pick current enum type and later try to fetch member from the type - enumType_1 = currentType; - propertyName = e.text; - } - else { - var expression = void 0; - if (e.kind === 170 /* ElementAccessExpression */) { - if (e.argumentExpression === undefined || - e.argumentExpression.kind !== 9 /* StringLiteral */) { - return undefined; - } - expression = e.expression; - propertyName = e.argumentExpression.text; - } - else { - expression = e.expression; - propertyName = e.name.text; - } - // expression part in ElementAccess\PropertyAccess should be either identifier or dottedName - var current = expression; - while (current) { - if (current.kind === 69 /* Identifier */) { - break; - } - else if (current.kind === 169 /* PropertyAccessExpression */) { - current = current.expression; - } - else { - return undefined; - } - } - enumType_1 = checkExpression(expression); - // allow references to constant members of other enums - if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384 /* Enum */))) { - return undefined; - } - } - if (propertyName === undefined) { - return undefined; - } - var property = getPropertyOfObjectType(enumType_1, propertyName); - if (!property || !(property.flags & 8 /* EnumMember */)) { - return undefined; - } - var propertyDecl = property.valueDeclaration; - // self references are illegal - if (member === propertyDecl) { - return undefined; - } - // illegal case: forward reference - if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { - reportError = false; - error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); - return undefined; - } - return getNodeLinks(propertyDecl).enumMemberValue; - } - } - } - } - function checkEnumDeclaration(node) { - if (!produceDiagnostics) { - return; - } - // Grammar checking - checkGrammarDecorators(node) || checkGrammarModifiers(node); - checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - computeEnumMemberValues(node); - var enumIsConst = ts.isConst(node); - if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { - error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); - } - // Spec 2014 - Section 9.3: - // It isn't possible for one enum declaration to continue the automatic numbering sequence of another, - // and when an enum type has multiple declarations, only one declaration is permitted to omit a value - // for the first member. - // - // Only perform this check once per symbol - var enumSymbol = getSymbolOfNode(node); - var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); - if (node === firstDeclaration) { - if (enumSymbol.declarations.length > 1) { - // check that const is placed\omitted on all enum declarations - ts.forEach(enumSymbol.declarations, function (decl) { - if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { - error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); - } - }); - } - var seenEnumMissingInitialInitializer_1 = false; - ts.forEach(enumSymbol.declarations, function (declaration) { - // return true if we hit a violation of the rule, false otherwise - if (declaration.kind !== 220 /* EnumDeclaration */) { - return false; - } - var enumDeclaration = declaration; - if (!enumDeclaration.members.length) { - return false; - } - var firstEnumMember = enumDeclaration.members[0]; - if (!firstEnumMember.initializer) { - if (seenEnumMissingInitialInitializer_1) { - error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); - } - else { - seenEnumMissingInitialInitializer_1 = true; - } - } - }); - } - } - function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { - var declarations = symbol.declarations; - for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { - var declaration = declarations_5[_i]; - if ((declaration.kind === 217 /* ClassDeclaration */ || - (declaration.kind === 216 /* FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) && - !ts.isInAmbientContext(declaration)) { - return declaration; - } - } - return undefined; - } - function inSameLexicalScope(node1, node2) { - var container1 = ts.getEnclosingBlockScopeContainer(node1); - var container2 = ts.getEnclosingBlockScopeContainer(node2); - if (isGlobalSourceFile(container1)) { - return isGlobalSourceFile(container2); - } - else if (isGlobalSourceFile(container2)) { - return false; - } - else { - return container1 === container2; - } - } - function checkModuleDeclaration(node) { - if (produceDiagnostics) { - // Grammar checking - var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); - var inAmbientContext = ts.isInAmbientContext(node); - if (isGlobalAugmentation && !inAmbientContext) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); - } - var isAmbientExternalModule = ts.isAmbientModule(node); - var contextErrorMessage = isAmbientExternalModule - ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file - : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; - if (checkGrammarModuleElementContext(node, contextErrorMessage)) { - // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { - if (!inAmbientContext && node.name.kind === 9 /* StringLiteral */) { - grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); - } - } - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkExportsOnMergedDeclarations(node); - var symbol = getSymbolOfNode(node); - // The following checks only apply on a non-ambient instantiated module declaration. - if (symbol.flags & 512 /* ValueModule */ - && symbol.declarations.length > 1 - && !inAmbientContext - && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { - var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); - if (firstNonAmbientClassOrFunc) { - if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); - } - else if (node.pos < firstNonAmbientClassOrFunc.pos) { - error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); - } - } - // if the module merges with a class declaration in the same lexical scope, - // we need to track this to ensure the correct emit. - var mergedClass = ts.getDeclarationOfKind(symbol, 217 /* ClassDeclaration */); - if (mergedClass && - inSameLexicalScope(node, mergedClass)) { - getNodeLinks(node).flags |= 32768 /* LexicalModuleMergesWithClass */; - } - } - if (isAmbientExternalModule) { - if (ts.isExternalModuleAugmentation(node)) { - // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module) - // otherwise we'll be swamped in cascading errors. - // We can detect if augmentation was applied using following rules: - // - augmentation for a global scope is always applied - // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module). - var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* Merged */); - if (checkBody) { - // body of ambient external module is always a module block - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - checkModuleAugmentationElement(statement, isGlobalAugmentation); - } - } - } - else if (isGlobalSourceFile(node.parent)) { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else if (ts.isExternalModuleNameRelative(node.name.text)) { - error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); - } - } - else { - if (isGlobalAugmentation) { - error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); - } - else { - // Node is not an augmentation and is not located on the script level. - // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited. - error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); - } - } - } - } - checkSourceElement(node.body); - } - function checkModuleAugmentationElement(node, isGlobalAugmentation) { - switch (node.kind) { - case 196 /* VariableStatement */: - // error each individual name in variable statement instead of marking the entire variable statement - for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { - var decl = _a[_i]; - checkModuleAugmentationElement(decl, isGlobalAugmentation); - } - break; - case 230 /* ExportAssignment */: - case 231 /* ExportDeclaration */: - grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); - break; - case 224 /* ImportEqualsDeclaration */: - if (node.moduleReference.kind !== 9 /* StringLiteral */) { - error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - break; - } - // fallthrough - case 225 /* ImportDeclaration */: - grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); - break; - case 166 /* BindingElement */: - case 214 /* VariableDeclaration */: - var name_17 = node.name; - if (ts.isBindingPattern(name_17)) { - for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { - var el = _c[_b]; - // mark individual names in binding pattern - checkModuleAugmentationElement(el, isGlobalAugmentation); - } - break; - } - // fallthrough - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 216 /* FunctionDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 219 /* TypeAliasDeclaration */: - var symbol = getSymbolOfNode(node); - if (symbol) { - // module augmentations cannot introduce new names on the top level scope of the module - // this is done it two steps - // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error - // 2. main check - report error if value declaration of the parent symbol is module augmentation) - var reportError = !(symbol.flags & 33554432 /* Merged */); - if (!reportError) { - if (isGlobalAugmentation) { - // global symbol should not have parent since it is not explicitly exported - reportError = symbol.parent !== undefined; - } - else { - // symbol should not originate in augmentation - reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); - } - } - if (reportError) { - error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); - } - } - break; - } - } - function getFirstIdentifier(node) { - while (true) { - if (node.kind === 136 /* QualifiedName */) { - node = node.left; - } - else if (node.kind === 169 /* PropertyAccessExpression */) { - node = node.expression; - } - else { - break; - } - } - ts.Debug.assert(node.kind === 69 /* Identifier */); - return node; - } - function checkExternalImportOrExportDeclaration(node) { - var moduleName = ts.getExternalModuleName(node); - if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9 /* StringLiteral */) { - error(moduleName, ts.Diagnostics.String_literal_expected); - return false; - } - var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { - error(moduleName, node.kind === 231 /* ExportDeclaration */ ? - ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : - ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); - return false; - } - if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { - // we have already reported errors on top level imports\exports in external module augmentations in checkModuleDeclaration - // no need to do this again. - if (!isTopLevelInExternalModuleAugmentation(node)) { - // TypeScript 1.0 spec (April 2013): 12.1.6 - // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference - // other external modules only through top - level external module names. - // Relative external module names are not permitted. - error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); - return false; - } - } - return true; - } - function checkAliasSymbol(node) { - var symbol = getSymbolOfNode(node); - var target = resolveAlias(symbol); - if (target !== unknownSymbol) { - var excludedMeanings = (symbol.flags & 107455 /* Value */ ? 107455 /* Value */ : 0) | - (symbol.flags & 793056 /* Type */ ? 793056 /* Type */ : 0) | - (symbol.flags & 1536 /* Namespace */ ? 1536 /* Namespace */ : 0); - if (target.flags & excludedMeanings) { - var message = node.kind === 233 /* ExportSpecifier */ ? - ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : - ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; - error(node, message, symbolToString(symbol)); - } - } - } - function checkImportBinding(node) { - checkCollisionWithCapturedThisVariable(node, node.name); - checkCollisionWithRequireExportsInGeneratedCode(node, node.name); - checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); - checkAliasSymbol(node); - } - function checkImportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); - } - if (checkExternalImportOrExportDeclaration(node)) { - var importClause = node.importClause; - if (importClause) { - if (importClause.name) { - checkImportBinding(importClause); - } - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - checkImportBinding(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, checkImportBinding); - } - } - } - } - } - function checkImportEqualsDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { - // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. - return; - } - checkGrammarDecorators(node) || checkGrammarModifiers(node); - if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { - checkImportBinding(node); - if (node.flags & 2 /* Export */) { - markExportAsReferenced(node); - } - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - var target = resolveAlias(getSymbolOfNode(node)); - if (target !== unknownSymbol) { - if (target.flags & 107455 /* Value */) { - // Target is a value symbol, check that it is not hidden by a local declaration with the same name - var moduleName = getFirstIdentifier(node.moduleReference); - if (!(resolveEntityName(moduleName, 107455 /* Value */ | 1536 /* Namespace */).flags & 1536 /* Namespace */)) { - error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); - } - } - if (target.flags & 793056 /* Type */) { - checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); - } - } - } - else { - if (modulekind === 5 /* ES6 */ && !ts.isInAmbientContext(node)) { - // Import equals declaration is deprecated in es6 or above - grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); - } - } - } - } - function checkExportDeclaration(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { - // If we hit an export in an illegal context, just bail out to avoid cascading errors. - return; - } - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); - } - if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { - if (node.exportClause) { - // export { x, y } - // export { x, y } from "foo" - ts.forEach(node.exportClause.elements, checkExportSpecifier); - var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); - if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { - error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); - } - } - else { - // export * from "foo" - var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); - if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { - error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); - } - } - } - } - function checkGrammarModuleElementContext(node, errorMessage) { - if (node.parent.kind !== 251 /* SourceFile */ && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 221 /* ModuleDeclaration */) { - return grammarErrorOnFirstToken(node, errorMessage); - } - } - function checkExportSpecifier(node) { - checkAliasSymbol(node); - if (!node.parent.parent.moduleSpecifier) { - var exportedName = node.propertyName || node.name; - // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases) - var symbol = resolveName(exportedName, exportedName.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, - /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); - if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { - error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); - } - else { - markExportAsReferenced(node); - } - } - } - function checkExportAssignment(node) { - if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { - // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors. - return; - } - var container = node.parent.kind === 251 /* SourceFile */ ? node.parent : node.parent.parent; - if (container.kind === 221 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) { - error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); - return; - } - // Grammar checking - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { - grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); - } - if (node.expression.kind === 69 /* Identifier */) { - markExportAsReferenced(node); - } - else { - checkExpressionCached(node.expression); - } - checkExternalModuleExports(container); - if (node.isExportEquals && !ts.isInAmbientContext(node)) { - if (modulekind === 5 /* ES6 */) { - // export assignment is not supported in es6 modules - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); - } - else if (modulekind === 4 /* System */) { - // system modules does not support export assignment - grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); - } - } - } - function hasExportedMembers(moduleSymbol) { - for (var id in moduleSymbol.exports) { - if (id !== "export=") { - return true; - } - } - return false; - } - function checkExternalModuleExports(node) { - var moduleSymbol = getSymbolOfNode(node); - var links = getSymbolLinks(moduleSymbol); - if (!links.exportsChecked) { - var exportEqualsSymbol = moduleSymbol.exports["export="]; - if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { - var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; - if (!isTopLevelInExternalModuleAugmentation(declaration)) { - error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); - } - } - // Checks for export * conflicts - var exports = getExportsOfModule(moduleSymbol); - for (var id in exports) { - if (id === "__export") { - continue; - } - var _a = exports[id], declarations = _a.declarations, flags = _a.flags; - // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. (TS Exceptions: namespaces, function overloads, enums, and interfaces) - if (!(flags & (1536 /* Namespace */ | 64 /* Interface */ | 384 /* Enum */)) && (flags & 524288 /* TypeAlias */ ? declarations.length - 1 : declarations.length) > 1) { - var exportedDeclarations = ts.filter(declarations, isNotOverload); - if (exportedDeclarations.length > 1) { - for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { - var declaration = exportedDeclarations_1[_i]; - diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); - } - } - } - } - links.exportsChecked = true; - } - function isNotOverload(declaration) { - return declaration.kind !== 216 /* FunctionDeclaration */ || !!declaration.body; - } - } - function checkSourceElement(node) { - if (!node) { - return; - } - var kind = node.kind; - if (cancellationToken) { - // Only bother checking on a few construct kinds. We don't want to be excessivly - // hitting the cancellation token on every node we check. - switch (kind) { - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - cancellationToken.throwIfCancellationRequested(); - } - } - switch (kind) { - case 138 /* TypeParameter */: - return checkTypeParameter(node); - case 139 /* Parameter */: - return checkParameter(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return checkPropertyDeclaration(node); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - return checkSignatureDeclaration(node); - case 150 /* IndexSignature */: - return checkSignatureDeclaration(node); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return checkMethodDeclaration(node); - case 145 /* Constructor */: - return checkConstructorDeclaration(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return checkAccessorDeclaration(node); - case 152 /* TypeReference */: - return checkTypeReferenceNode(node); - case 151 /* TypePredicate */: - return checkTypePredicate(node); - case 155 /* TypeQuery */: - return checkTypeQuery(node); - case 156 /* TypeLiteral */: - return checkTypeLiteral(node); - case 157 /* ArrayType */: - return checkArrayType(node); - case 158 /* TupleType */: - return checkTupleType(node); - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return checkUnionOrIntersectionType(node); - case 161 /* ParenthesizedType */: - return checkSourceElement(node.type); - case 216 /* FunctionDeclaration */: - return checkFunctionDeclaration(node); - case 195 /* Block */: - case 222 /* ModuleBlock */: - return checkBlock(node); - case 196 /* VariableStatement */: - return checkVariableStatement(node); - case 198 /* ExpressionStatement */: - return checkExpressionStatement(node); - case 199 /* IfStatement */: - return checkIfStatement(node); - case 200 /* DoStatement */: - return checkDoStatement(node); - case 201 /* WhileStatement */: - return checkWhileStatement(node); - case 202 /* ForStatement */: - return checkForStatement(node); - case 203 /* ForInStatement */: - return checkForInStatement(node); - case 204 /* ForOfStatement */: - return checkForOfStatement(node); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return checkBreakOrContinueStatement(node); - case 207 /* ReturnStatement */: - return checkReturnStatement(node); - case 208 /* WithStatement */: - return checkWithStatement(node); - case 209 /* SwitchStatement */: - return checkSwitchStatement(node); - case 210 /* LabeledStatement */: - return checkLabeledStatement(node); - case 211 /* ThrowStatement */: - return checkThrowStatement(node); - case 212 /* TryStatement */: - return checkTryStatement(node); - case 214 /* VariableDeclaration */: - return checkVariableDeclaration(node); - case 166 /* BindingElement */: - return checkBindingElement(node); - case 217 /* ClassDeclaration */: - return checkClassDeclaration(node); - case 218 /* InterfaceDeclaration */: - return checkInterfaceDeclaration(node); - case 219 /* TypeAliasDeclaration */: - return checkTypeAliasDeclaration(node); - case 220 /* EnumDeclaration */: - return checkEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return checkModuleDeclaration(node); - case 225 /* ImportDeclaration */: - return checkImportDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return checkImportEqualsDeclaration(node); - case 231 /* ExportDeclaration */: - return checkExportDeclaration(node); - case 230 /* ExportAssignment */: - return checkExportAssignment(node); - case 197 /* EmptyStatement */: - checkGrammarStatementInAmbientContext(node); - return; - case 213 /* DebuggerStatement */: - checkGrammarStatementInAmbientContext(node); - return; - case 234 /* MissingDeclaration */: - return checkMissingDeclaration(node); - } - } - // Function and class expression bodies are checked after all statements in the enclosing body. This is - // to ensure constructs like the following are permitted: - // const foo = function () { - // const s = foo(); - // return "hello"; - // } - // Here, performing a full type check of the body of the function expression whilst in the process of - // determining the type of foo would cause foo to be given type any because of the recursive reference. - // Delaying the type check of the body ensures foo has been assigned a type. - function checkNodeDeferred(node) { - if (deferredNodes) { - deferredNodes.push(node); - } - } - function checkDeferredNodes() { - for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { - var node = deferredNodes_1[_i]; - switch (node.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - checkFunctionExpressionOrObjectLiteralMethodDeferred(node); - break; - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - checkAccessorDeferred(node); - break; - case 189 /* ClassExpression */: - checkClassExpressionDeferred(node); - break; - } - } - } - function checkSourceFile(node) { - var start = new Date().getTime(); - checkSourceFileWorker(node); - ts.checkTime += new Date().getTime() - start; - } - // Fully type check a source file and collect the relevant diagnostics. - function checkSourceFileWorker(node) { - var links = getNodeLinks(node); - if (!(links.flags & 1 /* TypeChecked */)) { - // Check whether the file has declared it is the default lib, - // and whether the user has specifically chosen to avoid checking it. - if (compilerOptions.skipDefaultLibCheck) { - // If the user specified '--noLib' and a file has a '/// ', - // then we should treat that file as a default lib. - if (node.hasNoDefaultLib) { - return; - } - } - // Grammar checking - checkGrammarSourceFile(node); - potentialThisCollisions.length = 0; - deferredNodes = []; - ts.forEach(node.statements, checkSourceElement); - checkDeferredNodes(); - deferredNodes = undefined; - if (ts.isExternalOrCommonJsModule(node)) { - checkExternalModuleExports(node); - } - if (potentialThisCollisions.length) { - ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); - potentialThisCollisions.length = 0; - } - links.flags |= 1 /* TypeChecked */; - } - } - function getDiagnostics(sourceFile, ct) { - try { - // Record the cancellation token so it can be checked later on during checkSourceElement. - // Do this in a finally block so we can ensure that it gets reset back to nothing after - // this call is done. - cancellationToken = ct; - return getDiagnosticsWorker(sourceFile); - } - finally { - cancellationToken = undefined; - } - } - function getDiagnosticsWorker(sourceFile) { - throwIfNonDiagnosticsProducing(); - if (sourceFile) { - checkSourceFile(sourceFile); - return diagnostics.getDiagnostics(sourceFile.fileName); - } - ts.forEach(host.getSourceFiles(), checkSourceFile); - return diagnostics.getDiagnostics(); - } - function getGlobalDiagnostics() { - throwIfNonDiagnosticsProducing(); - return diagnostics.getGlobalDiagnostics(); - } - function throwIfNonDiagnosticsProducing() { - if (!produceDiagnostics) { - throw new Error("Trying to get diagnostics from a type checker that does not produce them."); - } - } - // Language service support - function isInsideWithStatementBody(node) { - if (node) { - while (node.parent) { - if (node.parent.kind === 208 /* WithStatement */ && node.parent.statement === node) { - return true; - } - node = node.parent; - } - } - return false; - } - function getSymbolsInScope(location, meaning) { - var symbols = {}; - var memberFlags = 0; - if (isInsideWithStatementBody(location)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return []; - } - populateSymbols(); - return symbolsToArray(symbols); - function populateSymbols() { - while (location) { - if (location.locals && !isGlobalSourceFile(location)) { - copySymbols(location.locals, meaning); - } - switch (location.kind) { - case 251 /* SourceFile */: - if (!ts.isExternalOrCommonJsModule(location)) { - break; - } - case 221 /* ModuleDeclaration */: - copySymbols(getSymbolOfNode(location).exports, meaning & 8914931 /* ModuleMember */); - break; - case 220 /* EnumDeclaration */: - copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */); - break; - case 189 /* ClassExpression */: - var className = location.name; - if (className) { - copySymbol(location.symbol, meaning); - } - // fall through; this fall-through is necessary because we would like to handle - // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - // If we didn't come from static member of class or interface, - // add the type parameters into the symbol table - // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol. - // Note: that the memberFlags come from previous iteration. - if (!(memberFlags & 64 /* Static */)) { - copySymbols(getSymbolOfNode(location).members, meaning & 793056 /* Type */); - } - break; - case 176 /* FunctionExpression */: - var funcName = location.name; - if (funcName) { - copySymbol(location.symbol, meaning); - } - break; - } - if (ts.introducesArgumentsExoticObject(location)) { - copySymbol(argumentsSymbol, meaning); - } - memberFlags = location.flags; - location = location.parent; - } - copySymbols(globals, meaning); - } - /** - * Copy the given symbol into symbol tables if the symbol has the given meaning - * and it doesn't already existed in the symbol table - * @param key a key for storing in symbol table; if undefined, use symbol.name - * @param symbol the symbol to be added into symbol table - * @param meaning meaning of symbol to filter by before adding to symbol table - */ - function copySymbol(symbol, meaning) { - if (symbol.flags & meaning) { - var id = symbol.name; - // We will copy all symbol regardless of its reserved name because - // symbolsToArray will check whether the key is a reserved name and - // it will not copy symbol with reserved name to the array - if (!ts.hasProperty(symbols, id)) { - symbols[id] = symbol; - } - } - } - function copySymbols(source, meaning) { - if (meaning) { - for (var id in source) { - var symbol = source[id]; - copySymbol(symbol, meaning); - } - } - } - } - function isTypeDeclarationName(name) { - return name.kind === 69 /* Identifier */ && - isTypeDeclaration(name.parent) && - name.parent.name === name; - } - function isTypeDeclaration(node) { - switch (node.kind) { - case 138 /* TypeParameter */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - return true; - } - } - // True if the given identifier is part of a type reference - function isTypeReferenceIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return node.parent && node.parent.kind === 152 /* TypeReference */; - } - function isHeritageClauseElementIdentifier(entityName) { - var node = entityName; - while (node.parent && node.parent.kind === 169 /* PropertyAccessExpression */) { - node = node.parent; - } - return node.parent && node.parent.kind === 191 /* ExpressionWithTypeArguments */; - } - function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { - while (nodeOnRightSide.parent.kind === 136 /* QualifiedName */) { - nodeOnRightSide = nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 224 /* ImportEqualsDeclaration */) { - return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; - } - if (nodeOnRightSide.parent.kind === 230 /* ExportAssignment */) { - return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; - } - return undefined; - } - function isInRightSideOfImportOrExportAssignment(node) { - return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; - } - function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { - if (ts.isDeclarationName(entityName)) { - return getSymbolOfNode(entityName.parent); - } - if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169 /* PropertyAccessExpression */) { - var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); - switch (specialPropertyAssignmentKind) { - case 1 /* ExportsProperty */: - case 3 /* PrototypeProperty */: - return getSymbolOfNode(entityName.parent); - case 4 /* ThisProperty */: - case 2 /* ModuleExports */: - return getSymbolOfNode(entityName.parent.parent); - default: - } - } - if (entityName.parent.kind === 230 /* ExportAssignment */) { - return resolveEntityName(entityName, - /*all meanings*/ 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - if (entityName.kind !== 169 /* PropertyAccessExpression */) { - if (isInRightSideOfImportOrExportAssignment(entityName)) { - // Since we already checked for ExportAssignment, this really could only be an Import - return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); - } - } - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { - entityName = entityName.parent; - } - if (isHeritageClauseElementIdentifier(entityName)) { - var meaning = 0 /* None */; - // In an interface or class, we're definitely interested in a type. - if (entityName.parent.kind === 191 /* ExpressionWithTypeArguments */) { - meaning = 793056 /* Type */; - // In a class 'extends' clause we are also looking for a value. - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { - meaning |= 107455 /* Value */; - } - } - else { - meaning = 1536 /* Namespace */; - } - meaning |= 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if ((entityName.parent.kind === 238 /* JsxOpeningElement */) || - (entityName.parent.kind === 237 /* JsxSelfClosingElement */) || - (entityName.parent.kind === 240 /* JsxClosingElement */)) { - return getJsxElementTagSymbol(entityName.parent); - } - else if (ts.isExpression(entityName)) { - if (ts.nodeIsMissing(entityName)) { - // Missing entity name. - return undefined; - } - if (entityName.kind === 69 /* Identifier */) { - // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead - // return the alias symbol. - var meaning = 107455 /* Value */ | 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if (entityName.kind === 169 /* PropertyAccessExpression */) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkPropertyAccessExpression(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - else if (entityName.kind === 136 /* QualifiedName */) { - var symbol = getNodeLinks(entityName).resolvedSymbol; - if (!symbol) { - checkQualifiedName(entityName); - } - return getNodeLinks(entityName).resolvedSymbol; - } - } - else if (isTypeReferenceIdentifier(entityName)) { - var meaning = entityName.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; - // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead - // return the alias symbol. - meaning |= 8388608 /* Alias */; - return resolveEntityName(entityName, meaning); - } - else if (entityName.parent.kind === 241 /* JsxAttribute */) { - return getJsxAttributePropertySymbol(entityName.parent); - } - if (entityName.parent.kind === 151 /* TypePredicate */) { - return resolveEntityName(entityName, /*meaning*/ 1 /* FunctionScopedVariable */); - } - // Do we want to return undefined here? - return undefined; - } - function getSymbolAtLocation(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return undefined; - } - if (ts.isDeclarationName(node)) { - // This is a declaration, call getSymbolOfNode - return getSymbolOfNode(node.parent); - } - if (node.kind === 69 /* Identifier */) { - if (isInRightSideOfImportOrExportAssignment(node)) { - return node.parent.kind === 230 /* ExportAssignment */ - ? getSymbolOfEntityNameOrPropertyAccessExpression(node) - : getSymbolOfPartOfRightHandSideOfImportEquals(node); - } - else if (node.parent.kind === 166 /* BindingElement */ && - node.parent.parent.kind === 164 /* ObjectBindingPattern */ && - node === node.parent.propertyName) { - var typeOfPattern = getTypeOfNode(node.parent.parent); - var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); - if (propertyDeclaration) { - return propertyDeclaration; - } - } - } - switch (node.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - return getSymbolOfEntityNameOrPropertyAccessExpression(node); - case 97 /* ThisKeyword */: - case 95 /* SuperKeyword */: - var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); - return type.symbol; - case 162 /* ThisType */: - return getTypeFromTypeNode(node).symbol; - case 121 /* ConstructorKeyword */: - // constructor keyword for an overload, should take us to the definition if it exist - var constructorDeclaration = node.parent; - if (constructorDeclaration && constructorDeclaration.kind === 145 /* Constructor */) { - return constructorDeclaration.parent.symbol; - } - return undefined; - case 9 /* StringLiteral */: - // External module name in an import declaration - if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && - ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || - ((node.parent.kind === 225 /* ImportDeclaration */ || node.parent.kind === 231 /* ExportDeclaration */) && - node.parent.moduleSpecifier === node)) { - return resolveExternalModuleName(node, node); - } - // Fall through - case 8 /* NumericLiteral */: - // index access - if (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.argumentExpression === node) { - var objectType = checkExpression(node.parent.expression); - if (objectType === unknownType) - return undefined; - var apparentType = getApparentType(objectType); - if (apparentType === unknownType) - return undefined; - return getPropertyOfType(apparentType, node.text); - } - break; - } - return undefined; - } - function getShorthandAssignmentValueSymbol(location) { - // The function returns a value symbol of an identifier in the short-hand property assignment. - // This is necessary as an identifier in short-hand property assignment can contains two meaning: - // property name and property value. - if (location && location.kind === 249 /* ShorthandPropertyAssignment */) { - return resolveEntityName(location.name, 107455 /* Value */ | 8388608 /* Alias */); - } - return undefined; - } - /** Returns the target of an export specifier without following aliases */ - function getExportSpecifierLocalTargetSymbol(node) { - return node.parent.parent.moduleSpecifier ? - getExternalModuleMember(node.parent.parent, node) : - resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); - } - function getTypeOfNode(node) { - if (isInsideWithStatementBody(node)) { - // We cannot answer semantic questions within a with block, do not proceed any further - return unknownType; - } - if (ts.isTypeNode(node)) { - return getTypeFromTypeNode(node); - } - if (ts.isExpression(node)) { - return getTypeOfExpression(node); - } - if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { - // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the - // extends clause of a class. We handle that case here. - return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; - } - if (isTypeDeclaration(node)) { - // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration - var symbol = getSymbolOfNode(node); - return getDeclaredTypeOfSymbol(symbol); - } - if (isTypeDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getDeclaredTypeOfSymbol(symbol); - } - if (ts.isDeclaration(node)) { - // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration - var symbol = getSymbolOfNode(node); - return getTypeOfSymbol(symbol); - } - if (ts.isDeclarationName(node)) { - var symbol = getSymbolAtLocation(node); - return symbol && getTypeOfSymbol(symbol); - } - if (ts.isBindingPattern(node)) { - return getTypeForVariableLikeDeclaration(node.parent); - } - if (isInRightSideOfImportOrExportAssignment(node)) { - var symbol = getSymbolAtLocation(node); - var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); - return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); - } - return unknownType; - } - function getTypeOfExpression(expr) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { - expr = expr.parent; - } - return checkExpression(expr); - } - /** - * Gets either the static or instance type of a class element, based on - * whether the element is declared as "static". - */ - function getParentTypeOfClassElement(node) { - var classSymbol = getSymbolOfNode(node.parent); - return node.flags & 64 /* Static */ - ? getTypeOfSymbol(classSymbol) - : getDeclaredTypeOfSymbol(classSymbol); - } - // Return the list of properties of the given type, augmented with properties from Function - // if the type has call or construct signatures - function getAugmentedPropertiesOfType(type) { - type = getApparentType(type); - var propsByName = createSymbolTable(getPropertiesOfType(type)); - if (getSignaturesOfType(type, 0 /* Call */).length || getSignaturesOfType(type, 1 /* Construct */).length) { - ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { - if (!ts.hasProperty(propsByName, p.name)) { - propsByName[p.name] = p; - } - }); - } - return getNamedMembers(propsByName); - } - function getRootSymbols(symbol) { - if (symbol.flags & 268435456 /* SyntheticProperty */) { - var symbols_3 = []; - var name_18 = symbol.name; - ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { - var symbol = getPropertyOfType(t, name_18); - if (symbol) { - symbols_3.push(symbol); - } - }); - return symbols_3; - } - else if (symbol.flags & 67108864 /* Transient */) { - var target = getSymbolLinks(symbol).target; - if (target) { - return [target]; - } - } - return [symbol]; - } - // Emitter support - function isArgumentsLocalBinding(node) { - return getReferencedValueSymbol(node) === argumentsSymbol; - } - function moduleExportsSomeValue(moduleReferenceExpression) { - var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); - if (!moduleSymbol) { - // module not found - be conservative - return true; - } - var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); - // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment - // otherwise it will return moduleSymbol itself - moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); - var symbolLinks = getSymbolLinks(moduleSymbol); - if (symbolLinks.exportsSomeValue === undefined) { - // for export assignments - check if resolved symbol for RHS is itself a value - // otherwise - check if at least one export is value - symbolLinks.exportsSomeValue = hasExportAssignment - ? !!(moduleSymbol.flags & 107455 /* Value */) - : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); - } - return symbolLinks.exportsSomeValue; - function isValue(s) { - s = resolveSymbol(s); - return s && !!(s.flags & 107455 /* Value */); - } - } - // When resolved as an expression identifier, if the given node references an exported entity, return the declaration - // node of the exported entity's container. Otherwise, return undefined. - function getReferencedExportContainer(node) { - var symbol = getReferencedValueSymbol(node); - if (symbol) { - if (symbol.flags & 1048576 /* ExportValue */) { - // If we reference an exported entity within the same module declaration, then whether - // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the - // kinds that we do NOT prefix. - var exportSymbol = getMergedSymbol(symbol.exportSymbol); - if (exportSymbol.flags & 944 /* ExportHasLocal */) { - return undefined; - } - symbol = exportSymbol; - } - var parentSymbol = getParentOfSymbol(symbol); - if (parentSymbol) { - if (parentSymbol.flags & 512 /* ValueModule */ && parentSymbol.valueDeclaration.kind === 251 /* SourceFile */) { - return parentSymbol.valueDeclaration; - } - for (var n = node.parent; n; n = n.parent) { - if ((n.kind === 221 /* ModuleDeclaration */ || n.kind === 220 /* EnumDeclaration */) && getSymbolOfNode(n) === parentSymbol) { - return n; - } - } - } - } - } - // When resolved as an expression identifier, if the given node references an import, return the declaration of - // that import. Otherwise, return undefined. - function getReferencedImportDeclaration(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && symbol.flags & 8388608 /* Alias */ ? getDeclarationOfAliasSymbol(symbol) : undefined; - } - function isSymbolOfDeclarationWithCollidingName(symbol) { - if (symbol.flags & 418 /* BlockScoped */) { - var links = getSymbolLinks(symbol); - if (links.isDeclaratonWithCollidingName === undefined) { - var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); - if (ts.isStatementWithLocals(container)) { - var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); - if (!!resolveName(container.parent, symbol.name, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { - // redeclaration - always should be renamed - links.isDeclaratonWithCollidingName = true; - } - else if (nodeLinks_1.flags & 131072 /* CapturedBlockScopedBinding */) { - // binding is captured in the function - // should be renamed if: - // - binding is not top level - top level bindings never collide with anything - // AND - // - binding is not declared in loop, should be renamed to avoid name reuse across siblings - // let a, b - // { let x = 1; a = () => x; } - // { let x = 100; b = () => x; } - // console.log(a()); // should print '1' - // console.log(b()); // should print '100' - // OR - // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body - // * variables from initializer are passed to rewritted loop body as parameters so they are not captured directly - // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus - // they will not collide with anything - var isDeclaredInLoop = nodeLinks_1.flags & 262144 /* BlockScopedBindingInLoop */; - var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false); - var inLoopBodyBlock = container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false); - links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); - } - else { - links.isDeclaratonWithCollidingName = false; - } - } - } - return links.isDeclaratonWithCollidingName; - } - return false; - } - // When resolved as an expression identifier, if the given node references a nested block scoped entity with - // a name that either hides an existing name or might hide it when compiled downlevel, - // return the declaration of that entity. Otherwise, return undefined. - function getReferencedDeclarationWithCollidingName(node) { - var symbol = getReferencedValueSymbol(node); - return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; - } - // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an - // existing name or might hide a name when compiled downlevel - function isDeclarationWithCollidingName(node) { - return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); - } - function isValueAliasDeclaration(node) { - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - return isAliasResolvedToValue(getSymbolOfNode(node)); - case 231 /* ExportDeclaration */: - var exportClause = node.exportClause; - return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); - case 230 /* ExportAssignment */: - return node.expression && node.expression.kind === 69 /* Identifier */ ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; - } - return false; - } - function isTopLevelValueImportEqualsWithEntityName(node) { - if (node.parent.kind !== 251 /* SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) { - // parent is not source file or it is not reference to internal module - return false; - } - var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); - return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); - } - function isAliasResolvedToValue(symbol) { - var target = resolveAlias(symbol); - if (target === unknownSymbol && compilerOptions.isolatedModules) { - return true; - } - // const enums and modules that contain only const enums are not considered values from the emit perespective - // unless 'preserveConstEnums' option is set to true - return target !== unknownSymbol && - target && - target.flags & 107455 /* Value */ && - (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); - } - function isConstEnumOrConstEnumOnlyModule(s) { - return isConstEnumSymbol(s) || s.constEnumOnlyModule; - } - function isReferencedAliasDeclaration(node, checkChildren) { - if (ts.isAliasSymbolDeclaration(node)) { - var symbol = getSymbolOfNode(node); - if (getSymbolLinks(symbol).referenced) { - return true; - } - } - if (checkChildren) { - return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); - } - return false; - } - function isImplementationOfOverload(node) { - if (ts.nodeIsPresent(node.body)) { - var symbol = getSymbolOfNode(node); - var signaturesOfSymbol = getSignaturesOfSymbol(symbol); - // If this function body corresponds to function with multiple signature, it is implementation of overload - // e.g.: function foo(a: string): string; - // function foo(a: number): number; - // function foo(a: any) { // This is implementation of the overloads - // return a; - // } - return signaturesOfSymbol.length > 1 || - // If there is single signature for the symbol, it is overload if that signature isn't coming from the node - // e.g.: function foo(a: string): string; - // function foo(a: any) { // This is implementation of the overloads - // return a; - // } - (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); - } - return false; - } - function getNodeCheckFlags(node) { - return getNodeLinks(node).flags; - } - function getEnumMemberValue(node) { - computeEnumMemberValues(node.parent); - return getNodeLinks(node).enumMemberValue; - } - function getConstantValue(node) { - if (node.kind === 250 /* EnumMember */) { - return getEnumMemberValue(node); - } - var symbol = getNodeLinks(node).resolvedSymbol; - if (symbol && (symbol.flags & 8 /* EnumMember */)) { - // inline property\index accesses only for const enums - if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { - return getEnumMemberValue(symbol.valueDeclaration); - } - } - return undefined; - } - function isFunctionType(type) { - return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; - } - function getTypeReferenceSerializationKind(typeName) { - // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. - var valueSymbol = resolveEntityName(typeName, 107455 /* Value */, /*ignoreErrors*/ true); - var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; - if (constructorType && isConstructorType(constructorType)) { - return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; - } - // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer. - var typeSymbol = resolveEntityName(typeName, 793056 /* Type */, /*ignoreErrors*/ true); - // We might not be able to resolve type symbol so use unknown type in that case (eg error case) - if (!typeSymbol) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - var type = getDeclaredTypeOfSymbol(typeSymbol); - if (type === unknownType) { - return ts.TypeReferenceSerializationKind.Unknown; - } - else if (type.flags & 1 /* Any */) { - return ts.TypeReferenceSerializationKind.ObjectType; - } - else if (allConstituentTypesHaveKind(type, 16 /* Void */)) { - return ts.TypeReferenceSerializationKind.VoidType; - } - else if (allConstituentTypesHaveKind(type, 8 /* Boolean */)) { - return ts.TypeReferenceSerializationKind.BooleanType; - } - else if (allConstituentTypesHaveKind(type, 132 /* NumberLike */)) { - return ts.TypeReferenceSerializationKind.NumberLikeType; - } - else if (allConstituentTypesHaveKind(type, 258 /* StringLike */)) { - return ts.TypeReferenceSerializationKind.StringLikeType; - } - else if (allConstituentTypesHaveKind(type, 8192 /* Tuple */)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else if (allConstituentTypesHaveKind(type, 16777216 /* ESSymbol */)) { - return ts.TypeReferenceSerializationKind.ESSymbolType; - } - else if (isFunctionType(type)) { - return ts.TypeReferenceSerializationKind.TypeWithCallSignature; - } - else if (isArrayType(type)) { - return ts.TypeReferenceSerializationKind.ArrayLikeType; - } - else { - return ts.TypeReferenceSerializationKind.ObjectType; - } - } - function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { - // Get type of the symbol if this is the valid symbol otherwise get type at location - var symbol = getSymbolOfNode(declaration); - var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* Signature */)) - ? getTypeOfSymbol(symbol) - : unknownType; - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { - var signature = getSignatureFromDeclaration(signatureDeclaration); - getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); - } - function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { - var type = getTypeOfExpression(expr); - getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - } - function hasGlobalName(name) { - return ts.hasProperty(globals, name); - } - function getReferencedValueSymbol(reference) { - return getNodeLinks(reference).resolvedSymbol || - resolveName(reference, reference.text, 107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */, - /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined); - } - function getReferencedValueDeclaration(reference) { - ts.Debug.assert(!ts.nodeIsSynthesized(reference)); - var symbol = getReferencedValueSymbol(reference); - return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; - } - function createResolver() { - return { - getReferencedExportContainer: getReferencedExportContainer, - getReferencedImportDeclaration: getReferencedImportDeclaration, - getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, - isDeclarationWithCollidingName: isDeclarationWithCollidingName, - isValueAliasDeclaration: isValueAliasDeclaration, - hasGlobalName: hasGlobalName, - isReferencedAliasDeclaration: isReferencedAliasDeclaration, - getNodeCheckFlags: getNodeCheckFlags, - isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, - isDeclarationVisible: isDeclarationVisible, - isImplementationOfOverload: isImplementationOfOverload, - writeTypeOfDeclaration: writeTypeOfDeclaration, - writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, - writeTypeOfExpression: writeTypeOfExpression, - isSymbolAccessible: isSymbolAccessible, - isEntityNameVisible: isEntityNameVisible, - getConstantValue: getConstantValue, - collectLinkedAliases: collectLinkedAliases, - getReferencedValueDeclaration: getReferencedValueDeclaration, - getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, - isOptionalParameter: isOptionalParameter, - moduleExportsSomeValue: moduleExportsSomeValue, - isArgumentsLocalBinding: isArgumentsLocalBinding, - getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration - }; - } - function getExternalModuleFileFromDeclaration(declaration) { - var specifier = ts.getExternalModuleName(declaration); - var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); - if (!moduleSymbol) { - return undefined; - } - return ts.getDeclarationOfKind(moduleSymbol, 251 /* SourceFile */); - } - function initializeTypeChecker() { - // Bind all source files and propagate errors - ts.forEach(host.getSourceFiles(), function (file) { - ts.bindSourceFile(file, compilerOptions); - }); - var augmentations; - // Initialize global symbol table - ts.forEach(host.getSourceFiles(), function (file) { - if (!ts.isExternalOrCommonJsModule(file)) { - mergeSymbolTable(globals, file.locals); - } - if (file.moduleAugmentations.length) { - (augmentations || (augmentations = [])).push(file.moduleAugmentations); - } - }); - if (augmentations) { - // merge module augmentations. - // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed - for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { - var list = augmentations_1[_i]; - for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { - var augmentation = list_2[_a]; - mergeModuleAugmentation(augmentation); - } - } - } - // Setup global builtins - addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); - getSymbolLinks(undefinedSymbol).type = undefinedType; - getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); - getSymbolLinks(unknownSymbol).type = unknownType; - // Initialize special types - globalArrayType = getGlobalType("Array", /*arity*/ 1); - globalObjectType = getGlobalType("Object"); - globalFunctionType = getGlobalType("Function"); - globalStringType = getGlobalType("String"); - globalNumberType = getGlobalType("Number"); - globalBooleanType = getGlobalType("Boolean"); - globalRegExpType = getGlobalType("RegExp"); - jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); - getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); - getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); - getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); - getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); - getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", /*arity*/ 1); }); - getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", /*arity*/ 1); }); - tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056 /* Type */, /*diagnostic*/ undefined) && getGlobalPromiseType(); }); - getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", /*arity*/ 1); }); - getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); - getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); - getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); - getGlobalThenableType = ts.memoize(createThenableType); - // If we're in ES6 mode, load the TemplateStringsArray. - // Otherwise, default to 'unknown' for the purposes of type checking in LS scenarios. - if (languageVersion >= 2 /* ES6 */) { - globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); - globalESSymbolType = getGlobalType("Symbol"); - globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); - globalIterableType = getGlobalType("Iterable", /*arity*/ 1); - globalIteratorType = getGlobalType("Iterator", /*arity*/ 1); - globalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1); - } - else { - globalTemplateStringsArrayType = unknownType; - // Consider putting Symbol interface in lib.d.ts. On the plus side, putting it in lib.d.ts would make it - // extensible for Polyfilling Symbols. But putting it into lib.d.ts could also break users that have - // a global Symbol already, particularly if it is a class. - globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); - globalESSymbolConstructorSymbol = undefined; - globalIterableType = emptyGenericType; - globalIteratorType = emptyGenericType; - globalIterableIteratorType = emptyGenericType; - } - anyArrayType = createArrayType(anyType); - } - function createInstantiatedPromiseLikeType() { - var promiseLikeType = getGlobalPromiseLikeType(); - if (promiseLikeType !== emptyGenericType) { - return createTypeReference(promiseLikeType, [anyType]); - } - return emptyObjectType; - } - function createThenableType() { - // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. - var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); - getSymbolLinks(thenPropertySymbol).type = globalFunctionType; - var thenableType = createObjectType(65536 /* Anonymous */); - thenableType.properties = [thenPropertySymbol]; - thenableType.members = createSymbolTable(thenableType.properties); - thenableType.callSignatures = []; - thenableType.constructSignatures = []; - return thenableType; - } - // GRAMMAR CHECKING - function checkGrammarDecorators(node) { - if (!node.decorators) { - return false; - } - if (!ts.nodeCanBeDecorated(node)) { - if (node.kind === 144 /* MethodDeclaration */ && !ts.nodeIsPresent(node.body)) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); - } - else { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); - } - } - else if (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */) { - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); - } - } - return false; - } - function checkGrammarModifiers(node) { - switch (node.kind) { - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 150 /* IndexSignature */: - case 221 /* ModuleDeclaration */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - case 230 /* ExportAssignment */: - case 139 /* Parameter */: - break; - case 216 /* FunctionDeclaration */: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118 /* AsyncKeyword */) && - node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 196 /* VariableStatement */: - case 219 /* TypeAliasDeclaration */: - if (node.modifiers && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - case 220 /* EnumDeclaration */: - if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74 /* ConstKeyword */) && - node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { - return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); - } - break; - default: - return false; - } - if (!node.modifiers) { - return; - } - var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; - var flags = 0; - for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { - var modifier = _a[_i]; - switch (modifier.kind) { - case 74 /* ConstKeyword */: - if (node.kind !== 220 /* EnumDeclaration */ && node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74 /* ConstKeyword */)); - } - break; - case 112 /* PublicKeyword */: - case 111 /* ProtectedKeyword */: - case 110 /* PrivateKeyword */: - var text = void 0; - if (modifier.kind === 112 /* PublicKeyword */) { - text = "public"; - } - else if (modifier.kind === 111 /* ProtectedKeyword */) { - text = "protected"; - lastProtected = modifier; - } - else { - text = "private"; - lastPrivate = modifier; - } - if (flags & 56 /* AccessibilityModifier */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); - } - else if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); - } - else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); - } - else if (flags & 128 /* Abstract */) { - if (modifier.kind === 110 /* PrivateKeyword */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); - } - else { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); - } - } - flags |= ts.modifierToFlag(modifier.kind); - break; - case 113 /* StaticKeyword */: - if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); - } - else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); - } - else if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - flags |= 64 /* Static */; - lastStatic = modifier; - break; - case 82 /* ExportKeyword */: - if (flags & 2 /* Export */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); - } - else if (flags & 4 /* Ambient */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); - } - else if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); - } - flags |= 2 /* Export */; - break; - case 122 /* DeclareKeyword */: - if (flags & 4 /* Ambient */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); - } - else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222 /* ModuleBlock */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); - } - flags |= 4 /* Ambient */; - lastDeclare = modifier; - break; - case 115 /* AbstractKeyword */: - if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); - } - if (node.kind !== 217 /* ClassDeclaration */) { - if (node.kind !== 144 /* MethodDeclaration */) { - return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); - } - if (!(node.parent.kind === 217 /* ClassDeclaration */ && node.parent.flags & 128 /* Abstract */)) { - return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); - } - if (flags & 64 /* Static */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); - } - if (flags & 16 /* Private */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); - } - } - flags |= 128 /* Abstract */; - break; - case 118 /* AsyncKeyword */: - if (flags & 256 /* Async */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); - } - else if (flags & 4 /* Ambient */ || ts.isInAmbientContext(node.parent)) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); - } - else if (node.kind === 139 /* Parameter */) { - return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); - } - flags |= 256 /* Async */; - lastAsync = modifier; - break; - } - } - if (node.kind === 145 /* Constructor */) { - if (flags & 64 /* Static */) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); - } - if (flags & 128 /* Abstract */) { - return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); - } - else if (flags & 32 /* Protected */) { - return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); - } - else if (flags & 16 /* Private */) { - return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); - } - else if (flags & 256 /* Async */) { - return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); - } - return; - } - else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && flags & 4 /* Ambient */) { - return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); - } - else if (node.kind === 139 /* Parameter */ && (flags & 56 /* AccessibilityModifier */) && ts.isBindingPattern(node.name)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); - } - if (flags & 256 /* Async */) { - return checkGrammarAsyncModifier(node, lastAsync); - } - } - function checkGrammarAsyncModifier(node, asyncModifier) { - if (languageVersion < 2 /* ES6 */) { - return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); - } - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - if (!node.asteriskToken) { - return false; - } - break; - } - return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); - } - function checkGrammarForDisallowedTrailingComma(list) { - if (list && list.hasTrailingComma) { - var start = list.end - ",".length; - var end = list.end; - var sourceFile = ts.getSourceFileOfNode(list[0]); - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); - } - } - function checkGrammarTypeParameterList(node, typeParameters, file) { - if (checkGrammarForDisallowedTrailingComma(typeParameters)) { - return true; - } - if (typeParameters && typeParameters.length === 0) { - var start = typeParameters.pos - "<".length; - var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; - return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); - } - } - function checkGrammarParameterList(parameters) { - if (checkGrammarForDisallowedTrailingComma(parameters)) { - return true; - } - var seenOptionalParameter = false; - var parameterCount = parameters.length; - for (var i = 0; i < parameterCount; i++) { - var parameter = parameters[i]; - if (parameter.dotDotDotToken) { - if (i !== (parameterCount - 1)) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); - } - if (ts.isBindingPattern(parameter.name)) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); - } - } - else if (parameter.questionToken) { - seenOptionalParameter = true; - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); - } - } - else if (seenOptionalParameter && !parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); - } - } - } - function checkGrammarFunctionLikeDeclaration(node) { - // Prevent cascading error by short-circuit - var file = ts.getSourceFileOfNode(node); - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || - checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); - } - function checkGrammarArrowFunction(node, file) { - if (node.kind === 177 /* ArrowFunction */) { - var arrowFunction = node; - var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; - var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; - if (startLine !== endLine) { - return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); - } - } - return false; - } - function checkGrammarIndexSignatureParameters(node) { - var parameter = node.parameters[0]; - if (node.parameters.length !== 1) { - if (parameter) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - else { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); - } - } - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); - } - if (parameter.flags & 1022 /* Modifier */) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); - } - if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); - } - if (parameter.initializer) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); - } - if (!parameter.type) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); - } - if (parameter.type.kind !== 130 /* StringKeyword */ && parameter.type.kind !== 128 /* NumberKeyword */) { - return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); - } - if (!node.type) { - return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); - } - } - function checkGrammarForIndexSignatureModifier(node) { - if (node.flags & 1022 /* Modifier */) { - grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); - } - } - function checkGrammarIndexSignature(node) { - // Prevent cascading error by short-circuit - return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); - } - function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { - if (typeArguments && typeArguments.length === 0) { - var sourceFile = ts.getSourceFileOfNode(node); - var start = typeArguments.pos - "<".length; - var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; - return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); - } - } - function checkGrammarTypeArguments(node, typeArguments) { - return checkGrammarForDisallowedTrailingComma(typeArguments) || - checkGrammarForAtLeastOneTypeArgument(node, typeArguments); - } - function checkGrammarForOmittedArgument(node, args) { - if (args) { - var sourceFile = ts.getSourceFileOfNode(node); - for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { - var arg = args_1[_i]; - if (arg.kind === 190 /* OmittedExpression */) { - return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); - } - } - } - } - function checkGrammarArguments(node, args) { - return checkGrammarForDisallowedTrailingComma(args) || - checkGrammarForOmittedArgument(node, args); - } - function checkGrammarHeritageClause(node) { - var types = node.types; - if (checkGrammarForDisallowedTrailingComma(types)) { - return true; - } - if (types && types.length === 0) { - var listType = ts.tokenToString(node.token); - var sourceFile = ts.getSourceFileOfNode(node); - return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); - } - } - function checkGrammarClassDeclarationHeritageClauses(node) { - var seenExtendsClause = false; - var seenImplementsClause = false; - if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83 /* ExtendsKeyword */) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); - } - if (heritageClause.types.length > 1) { - return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); - if (seenImplementsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); - } - seenImplementsClause = true; - } - // Grammar checking heritageClause inside class declaration - checkGrammarHeritageClause(heritageClause); - } - } - } - function checkGrammarInterfaceDeclaration(node) { - var seenExtendsClause = false; - if (node.heritageClauses) { - for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { - var heritageClause = _a[_i]; - if (heritageClause.token === 83 /* ExtendsKeyword */) { - if (seenExtendsClause) { - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); - } - seenExtendsClause = true; - } - else { - ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); - return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); - } - // Grammar checking heritageClause inside class declaration - checkGrammarHeritageClause(heritageClause); - } - } - return false; - } - function checkGrammarComputedPropertyName(node) { - // If node is not a computedPropertyName, just skip the grammar checking - if (node.kind !== 137 /* ComputedPropertyName */) { - return false; - } - var computedPropertyName = node; - if (computedPropertyName.expression.kind === 184 /* BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 24 /* CommaToken */) { - return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); - } - } - function checkGrammarForGenerator(node) { - if (node.asteriskToken) { - ts.Debug.assert(node.kind === 216 /* FunctionDeclaration */ || - node.kind === 176 /* FunctionExpression */ || - node.kind === 144 /* MethodDeclaration */); - if (ts.isInAmbientContext(node)) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); - } - if (!node.body) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); - } - if (languageVersion < 2 /* ES6 */) { - return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); - } - } - } - function checkGrammarForInvalidQuestionMark(node, questionToken, message) { - if (questionToken) { - return grammarErrorOnNode(questionToken, message); - } - } - function checkGrammarObjectLiteralExpression(node, inDestructuring) { - var seen = {}; - var Property = 1; - var GetAccessor = 2; - var SetAccesor = 4; - var GetOrSetAccessor = GetAccessor | SetAccesor; - var _loop_1 = function(prop) { - var name_19 = prop.name; - if (prop.kind === 190 /* OmittedExpression */ || - name_19.kind === 137 /* ComputedPropertyName */) { - // If the name is not a ComputedPropertyName, the grammar checking will skip it - checkGrammarComputedPropertyName(name_19); - return "continue"; - } - if (prop.kind === 249 /* ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) { - // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern - // outside of destructuring it is a syntax error - return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; - } - // Modifiers are never allowed on properties except for 'async' on a method declaration - ts.forEach(prop.modifiers, function (mod) { - if (mod.kind !== 118 /* AsyncKeyword */ || prop.kind !== 144 /* MethodDeclaration */) { - grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); - } - }); - // ECMA-262 11.1.5 Object Initialiser - // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true - // a.This production is contained in strict code and IsDataDescriptor(previous) is true and - // IsDataDescriptor(propId.descriptor) is true. - // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. - // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. - // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true - // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields - var currentKind = void 0; - if (prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */) { - // Grammar checking for computedPropertName and shorthandPropertyAssignment - checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); - if (name_19.kind === 8 /* NumericLiteral */) { - checkGrammarNumericLiteral(name_19); - } - currentKind = Property; - } - else if (prop.kind === 144 /* MethodDeclaration */) { - currentKind = Property; - } - else if (prop.kind === 146 /* GetAccessor */) { - currentKind = GetAccessor; - } - else if (prop.kind === 147 /* SetAccessor */) { - currentKind = SetAccesor; - } - else { - ts.Debug.fail("Unexpected syntax kind:" + prop.kind); - } - if (!ts.hasProperty(seen, name_19.text)) { - seen[name_19.text] = currentKind; - } - else { - var existingKind = seen[name_19.text]; - if (currentKind === Property && existingKind === Property) { - return "continue"; - } - else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { - if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { - seen[name_19.text] = currentKind | existingKind; - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; - } - } - else { - return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; - } - } - }; - for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { - var prop = _a[_i]; - var state_2 = _loop_1(prop); - if (typeof state_2 === "object") return state_2.value; - if (state_2 === "continue") continue; - } - } - function checkGrammarJsxElement(node) { - var seen = {}; - for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { - var attr = _a[_i]; - if (attr.kind === 242 /* JsxSpreadAttribute */) { - continue; - } - var jsxAttr = attr; - var name_20 = jsxAttr.name; - if (!ts.hasProperty(seen, name_20.text)) { - seen[name_20.text] = true; - } - else { - return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); - } - var initializer = jsxAttr.initializer; - if (initializer && initializer.kind === 243 /* JsxExpression */ && !initializer.expression) { - return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); - } - } - } - function checkGrammarForInOrForOfStatement(forInOrOfStatement) { - if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { - return true; - } - if (forInOrOfStatement.initializer.kind === 215 /* VariableDeclarationList */) { - var variableList = forInOrOfStatement.initializer; - if (!checkGrammarVariableDeclarationList(variableList)) { - var declarations = variableList.declarations; - // declarations.length can be zero if there is an error in variable declaration in for-of or for-in - // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details - // For example: - // var let = 10; - // for (let of [1,2,3]) {} // this is invalid ES6 syntax - // for (let in [1,2,3]) {} // this is invalid ES6 syntax - // We will then want to skip on grammar checking on variableList declaration - if (!declarations.length) { - return false; - } - if (declarations.length > 1) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement - : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; - return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); - } - var firstDeclaration = declarations[0]; - if (firstDeclaration.initializer) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer - : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; - return grammarErrorOnNode(firstDeclaration.name, diagnostic); - } - if (firstDeclaration.type) { - var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ - ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation - : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; - return grammarErrorOnNode(firstDeclaration, diagnostic); - } - } - } - return false; - } - function checkGrammarAccessor(accessor) { - var kind = accessor.kind; - if (languageVersion < 1 /* ES5 */) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); - } - else if (ts.isInAmbientContext(accessor)) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); - } - else if (accessor.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - else if (accessor.typeParameters) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); - } - else if (kind === 146 /* GetAccessor */ && accessor.parameters.length) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); - } - else if (kind === 147 /* SetAccessor */) { - if (accessor.type) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); - } - else if (accessor.parameters.length !== 1) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); - } - else { - var parameter = accessor.parameters[0]; - if (parameter.dotDotDotToken) { - return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); - } - else if (parameter.flags & 1022 /* Modifier */) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); - } - else if (parameter.questionToken) { - return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); - } - else if (parameter.initializer) { - return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); - } - } - } - } - function checkGrammarForNonSymbolComputedProperty(node, message) { - if (ts.isDynamicName(node)) { - return grammarErrorOnNode(node, message); - } - } - function checkGrammarMethod(node) { - if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || - checkGrammarFunctionLikeDeclaration(node) || - checkGrammarForGenerator(node)) { - return true; - } - if (node.parent.kind === 168 /* ObjectLiteralExpression */) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - else if (node.body === undefined) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); - } - } - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { - return true; - } - // Technically, computed properties in ambient contexts is disallowed - // for property declarations and accessors too, not just methods. - // However, property declarations disallow computed names in general, - // and accessors are not allowed in ambient contexts in general, - // so this error only really matters for methods. - if (ts.isInAmbientContext(node)) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); - } - else if (!node.body) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); - } - } - else if (node.parent.kind === 218 /* InterfaceDeclaration */) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); - } - else if (node.parent.kind === 156 /* TypeLiteral */) { - return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); - } - } - function checkGrammarBreakOrContinueStatement(node) { - var current = node; - while (current) { - if (ts.isFunctionLike(current)) { - return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); - } - switch (current.kind) { - case 210 /* LabeledStatement */: - if (node.label && current.label.text === node.label.text) { - // found matching label - verify that label usage is correct - // continue can only target labels that are on iteration statements - var isMisplacedContinueLabel = node.kind === 205 /* ContinueStatement */ - && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true); - if (isMisplacedContinueLabel) { - return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); - } - return false; - } - break; - case 209 /* SwitchStatement */: - if (node.kind === 206 /* BreakStatement */ && !node.label) { - // unlabeled break within switch statement - ok - return false; - } - break; - default: - if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) { - // unlabeled break or continue within iteration statement - ok - return false; - } - break; - } - current = current.parent; - } - if (node.label) { - var message = node.kind === 206 /* BreakStatement */ - ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement - : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - else { - var message = node.kind === 206 /* BreakStatement */ - ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement - : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; - return grammarErrorOnNode(node, message); - } - } - function checkGrammarBindingElement(node) { - if (node.dotDotDotToken) { - var elements = node.parent.elements; - if (node !== ts.lastOrUndefined(elements)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); - } - if (node.name.kind === 165 /* ArrayBindingPattern */ || node.name.kind === 164 /* ObjectBindingPattern */) { - return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); - } - if (node.initializer) { - // Error on equals token which immediate precedes the initializer - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); - } - } - } - function checkGrammarVariableDeclaration(node) { - if (node.parent.parent.kind !== 203 /* ForInStatement */ && node.parent.parent.kind !== 204 /* ForOfStatement */) { - if (ts.isInAmbientContext(node)) { - if (node.initializer) { - // Error on equals token which immediate precedes the initializer - var equalsTokenLength = "=".length; - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - else if (!node.initializer) { - if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { - return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); - } - if (ts.isConst(node)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); - } - } - } - var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); - // 1. LexicalDeclaration : LetOrConst BindingList ; - // It is a Syntax Error if the BoundNames of BindingList contains "let". - // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding - // It is a Syntax Error if the BoundNames of ForDeclaration contains "let". - // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code - // and its Identifier is eval or arguments - return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); - } - function checkGrammarNameInLetOrConstDeclarations(name) { - if (name.kind === 69 /* Identifier */) { - if (name.originalKeywordKind === 108 /* LetKeyword */) { - return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); - } - } - else { - var elements = name.elements; - for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { - var element = elements_2[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - checkGrammarNameInLetOrConstDeclarations(element.name); - } - } - } - } - function checkGrammarVariableDeclarationList(declarationList) { - var declarations = declarationList.declarations; - if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { - return true; - } - if (!declarationList.declarations.length) { - return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); - } - } - function allowLetAndConstDeclarations(parent) { - switch (parent.kind) { - case 199 /* IfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - return false; - case 210 /* LabeledStatement */: - return allowLetAndConstDeclarations(parent.parent); - } - return true; - } - function checkGrammarForDisallowedLetOrConstStatement(node) { - if (!allowLetAndConstDeclarations(node.parent)) { - if (ts.isLet(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); - } - else if (ts.isConst(node.declarationList)) { - return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); - } - } - } - function hasParseDiagnostics(sourceFile) { - return sourceFile.parseDiagnostics.length > 0; - } - function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); - return true; - } - } - function grammarErrorOnNode(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); - return true; - } - } - function checkGrammarConstructorTypeParameters(node) { - if (node.typeParameters) { - return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarConstructorTypeAnnotation(node) { - if (node.type) { - return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); - } - } - function checkGrammarProperty(node) { - if (ts.isClassLike(node.parent)) { - if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || - checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - } - else if (node.parent.kind === 218 /* InterfaceDeclaration */) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); - } - } - else if (node.parent.kind === 156 /* TypeLiteral */) { - if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { - return true; - } - if (node.initializer) { - return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); - } - } - if (ts.isInAmbientContext(node) && node.initializer) { - return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); - } - } - function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { - // A declare modifier is required for any top level .d.ts declaration except export=, export default, - // interfaces and imports categories: - // - // DeclarationElement: - // ExportAssignment - // export_opt InterfaceDeclaration - // export_opt TypeAliasDeclaration - // export_opt ImportDeclaration - // export_opt ExternalImportDeclaration - // export_opt AmbientDeclaration - // - // TODO: The spec needs to be amended to reflect this grammar. - if (node.kind === 218 /* InterfaceDeclaration */ || - node.kind === 219 /* TypeAliasDeclaration */ || - node.kind === 225 /* ImportDeclaration */ || - node.kind === 224 /* ImportEqualsDeclaration */ || - node.kind === 231 /* ExportDeclaration */ || - node.kind === 230 /* ExportAssignment */ || - (node.flags & 4 /* Ambient */) || - (node.flags & (2 /* Export */ | 512 /* Default */))) { - return false; - } - return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); - } - function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var decl = _a[_i]; - if (ts.isDeclaration(decl) || decl.kind === 196 /* VariableStatement */) { - if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { - return true; - } - } - } - } - function checkGrammarSourceFile(node) { - return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); - } - function checkGrammarStatementInAmbientContext(node) { - if (ts.isInAmbientContext(node)) { - // An accessors is already reported about the ambient context - if (isAccessor(node.parent.kind)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = true; - } - // Find containing block which is either Block, ModuleBlock, SourceFile - var links = getNodeLinks(node); - if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { - return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); - } - // We are either parented by another statement, or some sort of block. - // If we're in a block, we only want to really report an error once - // to prevent noisyness. So use a bit on the block to indicate if - // this has already been reported, and don't report if it has. - // - if (node.parent.kind === 195 /* Block */ || node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { - var links_1 = getNodeLinks(node.parent); - // Check if the containing block ever report this error - if (!links_1.hasReportedStatementInAmbientContext) { - return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); - } - } - else { - } - } - } - function checkGrammarNumericLiteral(node) { - // Grammar checking - if (node.flags & 32768 /* OctalLiteral */ && languageVersion >= 1 /* ES5 */) { - return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); - } - } - function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { - var sourceFile = ts.getSourceFileOfNode(node); - if (!hasParseDiagnostics(sourceFile)) { - var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); - diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2)); - return true; - } - } - var _a; - } - ts.createTypeChecker = createTypeChecker; -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var nullSourceMapWriter; - // Used for initialize lastEncodedSourceMapSpan and reset lastEncodedSourceMapSpan when updateLastEncodedAndRecordedSpans - var defaultLastEncodedSourceMapSpan = { - emittedLine: 1, - emittedColumn: 1, - sourceLine: 1, - sourceColumn: 1, - sourceIndex: 0 - }; - function getNullSourceMapWriter() { - if (nullSourceMapWriter === undefined) { - nullSourceMapWriter = { - getSourceMapData: function () { return undefined; }, - setSourceFile: function (sourceFile) { }, - emitStart: function (range) { }, - emitEnd: function (range, stopOverridingSpan) { }, - emitPos: function (pos) { }, - changeEmitSourcePos: function () { }, - getText: function () { return undefined; }, - getSourceMappingURL: function () { return undefined; }, - initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, - reset: function () { } - }; - } - return nullSourceMapWriter; - } - ts.getNullSourceMapWriter = getNullSourceMapWriter; - function createSourceMapWriter(host, writer) { - var compilerOptions = host.getCompilerOptions(); - var currentSourceFile; - var sourceMapDir; // The directory in which sourcemap will be - var stopOverridingSpan = false; - var modifyLastSourcePos = false; - // Current source map file and its index in the sources list - var sourceMapSourceIndex; - // Last recorded and encoded spans - var lastRecordedSourceMapSpan; - var lastEncodedSourceMapSpan; - var lastEncodedNameIndex; - // Source map data - var sourceMapData; - return { - getSourceMapData: function () { return sourceMapData; }, - setSourceFile: setSourceFile, - emitPos: emitPos, - emitStart: emitStart, - emitEnd: emitEnd, - changeEmitSourcePos: changeEmitSourcePos, - getText: getText, - getSourceMappingURL: getSourceMappingURL, - initialize: initialize, - reset: reset - }; - function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - if (sourceMapData) { - reset(); - } - currentSourceFile = undefined; - // Current source map file and its index in the sources list - sourceMapSourceIndex = -1; - // Last recorded and encoded spans - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; - lastEncodedNameIndex = 0; - // Initialize source map data - sourceMapData = { - sourceMapFilePath: sourceMapFilePath, - jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, - sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), - sourceMapSourceRoot: compilerOptions.sourceRoot || "", - sourceMapSources: [], - inputSourceFileNames: [], - sourceMapNames: [], - sourceMapMappings: "", - sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, - sourceMapDecodedMappings: [] - }; - // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the - // relative paths of the sources list in the sourcemap - sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); - if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47 /* slash */) { - sourceMapData.sourceMapSourceRoot += ts.directorySeparator; - } - if (compilerOptions.mapRoot) { - sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); - if (!isBundledEmit) { - ts.Debug.assert(sourceFiles.length === 1); - // For modules or multiple emit files the mapRoot will have directory structure like the sources - // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map - sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); - } - if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { - // The relative paths are relative to the common directory - sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); - sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath - ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), // this is where user expects to see sourceMap - host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ true); - } - else { - sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); - } - } - else { - sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); - } - } - function reset() { - currentSourceFile = undefined; - sourceMapDir = undefined; - sourceMapSourceIndex = undefined; - lastRecordedSourceMapSpan = undefined; - lastEncodedSourceMapSpan = undefined; - lastEncodedNameIndex = undefined; - sourceMapData = undefined; - } - function updateLastEncodedAndRecordedSpans() { - if (modifyLastSourcePos) { - // Reset the source pos - modifyLastSourcePos = false; - // Change Last recorded Map with last encoded emit line and character - lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; - lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; - // Pop sourceMapDecodedMappings to remove last entry - sourceMapData.sourceMapDecodedMappings.pop(); - // Point the lastEncodedSourceMapSpace to the previous encoded sourceMapSpan - // If the list is empty which indicates that we are at the beginning of the file, - // we have to reset it to default value (same value when we first initialize sourceMapWriter) - lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? - sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : - defaultLastEncodedSourceMapSpan; - // TODO: Update lastEncodedNameIndex - // Since we dont support this any more, lets not worry about it right now. - // When we start supporting nameIndex, we will get back to this - // Change the encoded source map - var sourceMapMappings = sourceMapData.sourceMapMappings; - var lenthToSet = sourceMapMappings.length - 1; - for (; lenthToSet >= 0; lenthToSet--) { - var currentChar = sourceMapMappings.charAt(lenthToSet); - if (currentChar === ",") { - // Separator for the entry found - break; - } - if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { - // Last line separator found - break; - } - } - sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); - } - } - // Encoding for sourcemap span - function encodeLastRecordedSourceMapSpan() { - if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { - return; - } - var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; - // Line/Comma delimiters - if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { - // Emit comma to separate the entry - if (sourceMapData.sourceMapMappings) { - sourceMapData.sourceMapMappings += ","; - } - } - else { - // Emit line delimiters - for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { - sourceMapData.sourceMapMappings += ";"; - } - prevEncodedEmittedColumn = 1; - } - // 1. Relative Column 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); - // 2. Relative sourceIndex - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); - // 3. Relative sourceLine 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); - // 4. Relative sourceColumn 0 based - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); - // 5. Relative namePosition 0 based - if (lastRecordedSourceMapSpan.nameIndex >= 0) { - ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); - sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); - lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; - } - lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; - sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); - } - function emitPos(pos) { - if (pos === -1) { - return; - } - var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); - // Convert the location to be one-based. - sourceLinePos.line++; - sourceLinePos.character++; - var emittedLine = writer.getLine(); - var emittedColumn = writer.getColumn(); - // If this location wasn't recorded or the location in source is going backwards, record the span - if (!lastRecordedSourceMapSpan || - lastRecordedSourceMapSpan.emittedLine !== emittedLine || - lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || - (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && - (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || - (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { - // Encode the last recordedSpan before assigning new - encodeLastRecordedSourceMapSpan(); - // New span - lastRecordedSourceMapSpan = { - emittedLine: emittedLine, - emittedColumn: emittedColumn, - sourceLine: sourceLinePos.line, - sourceColumn: sourceLinePos.character, - sourceIndex: sourceMapSourceIndex - }; - stopOverridingSpan = false; - } - else if (!stopOverridingSpan) { - // Take the new pos instead since there is no change in emittedLine and column since last location - lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; - lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; - lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; - } - updateLastEncodedAndRecordedSpans(); - } - function getStartPos(range) { - var rangeHasDecorators = !!range.decorators; - return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; - } - function emitStart(range) { - emitPos(getStartPos(range)); - } - function emitEnd(range, stopOverridingEnd) { - emitPos(range.end); - stopOverridingSpan = stopOverridingEnd; - } - function changeEmitSourcePos() { - ts.Debug.assert(!modifyLastSourcePos); - modifyLastSourcePos = true; - } - function setSourceFile(sourceFile) { - currentSourceFile = sourceFile; - // Add the file to tsFilePaths - // If sourceroot option: Use the relative path corresponding to the common directory path - // otherwise source locations relative to map file location - var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; - var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ true); - sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); - if (sourceMapSourceIndex === -1) { - sourceMapSourceIndex = sourceMapData.sourceMapSources.length; - sourceMapData.sourceMapSources.push(source); - // The one that can be used from program to get the actual source file - sourceMapData.inputSourceFileNames.push(sourceFile.fileName); - if (compilerOptions.inlineSources) { - sourceMapData.sourceMapSourcesContent.push(sourceFile.text); - } - } - } - function getText() { - encodeLastRecordedSourceMapSpan(); - return ts.stringify({ - version: 3, - file: sourceMapData.sourceMapFile, - sourceRoot: sourceMapData.sourceMapSourceRoot, - sources: sourceMapData.sourceMapSources, - names: sourceMapData.sourceMapNames, - mappings: sourceMapData.sourceMapMappings, - sourcesContent: sourceMapData.sourceMapSourcesContent - }); - } - function getSourceMappingURL() { - if (compilerOptions.inlineSourceMap) { - // Encode the sourceMap into the sourceMap url - var base64SourceMapText = ts.convertToBase64(getText()); - return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; - } - else { - return sourceMapData.jsSourceMappingURL; - } - } - } - ts.createSourceMapWriter = createSourceMapWriter; - var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - function base64FormatEncode(inValue) { - if (inValue < 64) { - return base64Chars.charAt(inValue); - } - throw TypeError(inValue + ": not a 64 based value"); - } - function base64VLQFormatEncode(inValue) { - // Add a new least significant bit that has the sign of the value. - // if negative number the least significant bit that gets added to the number has value 1 - // else least significant bit value that gets added is 0 - // eg. -1 changes to binary : 01 [1] => 3 - // +1 changes to binary : 01 [0] => 2 - if (inValue < 0) { - inValue = ((-inValue) << 1) + 1; - } - else { - inValue = inValue << 1; - } - // Encode 5 bits at a time starting from least significant bits - var encodedStr = ""; - do { - var currentDigit = inValue & 31; // 11111 - inValue = inValue >> 5; - if (inValue > 0) { - // There are still more digits to decode, set the msb (6th bit) - currentDigit = currentDigit | 32; - } - encodedStr = encodedStr + base64FormatEncode(currentDigit); - } while (inValue > 0); - return encodedStr; - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - function getDeclarationDiagnostics(host, resolver, targetSourceFile) { - var declarationDiagnostics = ts.createDiagnosticCollection(); - ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); - return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); - function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { - var declarationFilePath = _a.declarationFilePath; - emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); - } - } - ts.getDeclarationDiagnostics = getDeclarationDiagnostics; - function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { - var newLine = host.getNewLine(); - var compilerOptions = host.getCompilerOptions(); - var write; - var writeLine; - var increaseIndent; - var decreaseIndent; - var writeTextOfNode; - var writer = createAndSetNewTextWriterWithSymbolWriter(); - var enclosingDeclaration; - var resultHasExternalModuleIndicator; - var currentText; - var currentLineMap; - var currentIdentifiers; - var isCurrentFileExternalModule; - var reportedDeclarationError = false; - var errorNameNode; - var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; - var emit = compilerOptions.stripInternal ? stripInternal : emitNode; - var noDeclare; - var moduleElementDeclarationEmitInfo = []; - var asynchronousSubModuleDeclarationEmitInfo; - // Contains the reference paths that needs to go in the declaration file. - // Collecting this separately because reference paths need to be first thing in the declaration file - // and we could be collecting these paths from multiple files into single one with --out option - var referencePathsOutput = ""; - // Emit references corresponding to each file - var emittedReferencedFiles = []; - var addedGlobalFileReference = false; - var allSourcesModuleElementDeclarationEmitInfo = []; - ts.forEach(sourceFiles, function (sourceFile) { - // Dont emit for javascript file - if (ts.isSourceFileJavaScript(sourceFile)) { - return; - } - // Check what references need to be added - if (!compilerOptions.noResolve) { - ts.forEach(sourceFile.referencedFiles, function (fileReference) { - var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); - // Emit reference in dts, if the file reference was not already emitted - if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { - // Add a reference to generated dts file, - // global file reference is added only - // - if it is not bundled emit (because otherwise it would be self reference) - // - and it is not already added - if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { - addedGlobalFileReference = true; - } - emittedReferencedFiles.push(referencedFile); - } - }); - } - resultHasExternalModuleIndicator = false; - if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { - noDeclare = false; - emitSourceFile(sourceFile); - } - else if (ts.isExternalModule(sourceFile)) { - noDeclare = true; - write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); - writeLine(); - increaseIndent(); - emitSourceFile(sourceFile); - decreaseIndent(); - write("}"); - writeLine(); - } - // create asynchronous output for the importDeclarations - if (moduleElementDeclarationEmitInfo.length) { - var oldWriter = writer; - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { - ts.Debug.assert(aliasEmitInfo.node.kind === 225 /* ImportDeclaration */); - createAndSetNewTextWriterWithSymbolWriter(); - ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - increaseIndent(); - } - writeImportDeclaration(aliasEmitInfo.node); - aliasEmitInfo.asynchronousOutput = writer.getText(); - for (var i = 0; i < aliasEmitInfo.indent; i++) { - decreaseIndent(); - } - } - }); - setWriter(oldWriter); - allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); - moduleElementDeclarationEmitInfo = []; - } - if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { - // if file was external module with augmentations - this fact should be preserved in .d.ts as well. - // in case if we didn't write any external module specifiers in .d.ts we need to emit something - // that will force compiler to think that this file is an external module - 'export {}' is a reasonable choice here. - write("export {};"); - writeLine(); - } - }); - return { - reportedDeclarationError: reportedDeclarationError, - moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, - synchronousDeclarationOutput: writer.getText(), - referencePathsOutput: referencePathsOutput - }; - function hasInternalAnnotation(range) { - var comment = currentText.substring(range.pos, range.end); - return comment.indexOf("@internal") >= 0; - } - function stripInternal(node) { - if (node) { - var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); - if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { - return; - } - emitNode(node); - } - } - function createAndSetNewTextWriterWithSymbolWriter() { - var writer = ts.createTextWriter(newLine); - writer.trackSymbol = trackSymbol; - writer.reportInaccessibleThisError = reportInaccessibleThisError; - writer.writeKeyword = writer.write; - writer.writeOperator = writer.write; - writer.writePunctuation = writer.write; - writer.writeSpace = writer.write; - writer.writeStringLiteral = writer.writeLiteral; - writer.writeParameter = writer.write; - writer.writeSymbol = writer.write; - setWriter(writer); - return writer; - } - function setWriter(newWriter) { - writer = newWriter; - write = newWriter.write; - writeTextOfNode = newWriter.writeTextOfNode; - writeLine = newWriter.writeLine; - increaseIndent = newWriter.increaseIndent; - decreaseIndent = newWriter.decreaseIndent; - } - function writeAsynchronousModuleElements(nodes) { - var oldWriter = writer; - ts.forEach(nodes, function (declaration) { - var nodeToCheck; - if (declaration.kind === 214 /* VariableDeclaration */) { - nodeToCheck = declaration.parent.parent; - } - else if (declaration.kind === 228 /* NamedImports */ || declaration.kind === 229 /* ImportSpecifier */ || declaration.kind === 226 /* ImportClause */) { - ts.Debug.fail("We should be getting ImportDeclaration instead to write"); - } - else { - nodeToCheck = declaration; - } - var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { - moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); - } - // If the alias was marked as not visible when we saw its declaration, we would have saved the aliasEmitInfo, but if we haven't yet visited the alias declaration - // then we don't need to write it at this point. We will write it when we actually see its declaration - // Eg. - // export function bar(a: foo.Foo) { } - // import foo = require("foo"); - // Writing of function bar would mark alias declaration foo as visible but we haven't yet visited that declaration so do nothing, - // we would write alias foo declaration when we visit it since it would now be marked as visible - if (moduleElementEmitInfo) { - if (moduleElementEmitInfo.node.kind === 225 /* ImportDeclaration */) { - // we have to create asynchronous output only after we have collected complete information - // because it is possible to enable multiple bindings as asynchronously visible - moduleElementEmitInfo.isVisible = true; - } - else { - createAndSetNewTextWriterWithSymbolWriter(); - for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { - increaseIndent(); - } - if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { - ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); - asynchronousSubModuleDeclarationEmitInfo = []; - } - writeModuleElement(nodeToCheck); - if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { - moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; - asynchronousSubModuleDeclarationEmitInfo = undefined; - } - moduleElementEmitInfo.asynchronousOutput = writer.getText(); - } - } - }); - setWriter(oldWriter); - } - function handleSymbolAccessibilityError(symbolAccesibilityResult) { - if (symbolAccesibilityResult.accessibility === 0 /* Accessible */) { - // write the aliases - if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { - writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); - } - } - else { - // Report error - reportedDeclarationError = true; - var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); - if (errorInfo) { - if (errorInfo.typeName) { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - else { - emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); - } - } - } - } - function trackSymbol(symbol, enclosingDeclaration, meaning) { - handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); - } - function reportInaccessibleThisError() { - if (errorNameNode) { - reportedDeclarationError = true; - emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); - } - } - function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (type) { - // Write the type - emitType(type); - } - else { - errorNameNode = declaration.name; - resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - errorNameNode = undefined; - } - } - function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - write(": "); - if (signature.type) { - // Write the type - emitType(signature.type); - } - else { - errorNameNode = signature.name; - resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - errorNameNode = undefined; - } - } - function emitLines(nodes) { - for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { - var node = nodes_2[_i]; - emit(node); - } - } - function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { - var currentWriterPos = writer.getTextPos(); - for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { - var node = nodes_3[_i]; - if (!canEmitFn || canEmitFn(node)) { - if (currentWriterPos !== writer.getTextPos()) { - write(separator); - } - currentWriterPos = writer.getTextPos(); - eachNodeEmitFn(node); - } - } - } - function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { - emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); - } - function writeJsDocComments(declaration) { - if (declaration) { - var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); - // jsDoc comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, jsDocComments, /*trailingSeparator*/ true, newLine, ts.writeCommentRange); - } - } - function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { - writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; - emitType(type); - } - function emitType(type) { - switch (type.kind) { - case 117 /* AnyKeyword */: - case 130 /* StringKeyword */: - case 128 /* NumberKeyword */: - case 120 /* BooleanKeyword */: - case 131 /* SymbolKeyword */: - case 103 /* VoidKeyword */: - case 162 /* ThisType */: - case 163 /* StringLiteralType */: - return writeTextOfNode(currentText, type); - case 191 /* ExpressionWithTypeArguments */: - return emitExpressionWithTypeArguments(type); - case 152 /* TypeReference */: - return emitTypeReference(type); - case 155 /* TypeQuery */: - return emitTypeQuery(type); - case 157 /* ArrayType */: - return emitArrayType(type); - case 158 /* TupleType */: - return emitTupleType(type); - case 159 /* UnionType */: - return emitUnionType(type); - case 160 /* IntersectionType */: - return emitIntersectionType(type); - case 161 /* ParenthesizedType */: - return emitParenType(type); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return emitSignatureDeclarationWithJsDocComments(type); - case 156 /* TypeLiteral */: - return emitTypeLiteral(type); - case 69 /* Identifier */: - return emitEntityName(type); - case 136 /* QualifiedName */: - return emitEntityName(type); - case 151 /* TypePredicate */: - return emitTypePredicate(type); - } - function writeEntityName(entityName) { - if (entityName.kind === 69 /* Identifier */) { - writeTextOfNode(currentText, entityName); - } - else { - var left = entityName.kind === 136 /* QualifiedName */ ? entityName.left : entityName.expression; - var right = entityName.kind === 136 /* QualifiedName */ ? entityName.right : entityName.name; - writeEntityName(left); - write("."); - writeTextOfNode(currentText, right); - } - } - function emitEntityName(entityName) { - var visibilityResult = resolver.isEntityNameVisible(entityName, - // Aliases can be written asynchronously so use correct enclosing declaration - entityName.parent.kind === 224 /* ImportEqualsDeclaration */ ? entityName.parent : enclosingDeclaration); - handleSymbolAccessibilityError(visibilityResult); - writeEntityName(entityName); - } - function emitExpressionWithTypeArguments(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - ts.Debug.assert(node.expression.kind === 69 /* Identifier */ || node.expression.kind === 169 /* PropertyAccessExpression */); - emitEntityName(node.expression); - if (node.typeArguments) { - write("<"); - emitCommaList(node.typeArguments, emitType); - write(">"); - } - } - } - function emitTypeReference(type) { - emitEntityName(type.typeName); - if (type.typeArguments) { - write("<"); - emitCommaList(type.typeArguments, emitType); - write(">"); - } - } - function emitTypePredicate(type) { - writeTextOfNode(currentText, type.parameterName); - write(" is "); - emitType(type.type); - } - function emitTypeQuery(type) { - write("typeof "); - emitEntityName(type.exprName); - } - function emitArrayType(type) { - emitType(type.elementType); - write("[]"); - } - function emitTupleType(type) { - write("["); - emitCommaList(type.elementTypes, emitType); - write("]"); - } - function emitUnionType(type) { - emitSeparatedList(type.types, " | ", emitType); - } - function emitIntersectionType(type) { - emitSeparatedList(type.types, " & ", emitType); - } - function emitParenType(type) { - write("("); - emitType(type.type); - write(")"); - } - function emitTypeLiteral(type) { - write("{"); - if (type.members.length) { - writeLine(); - increaseIndent(); - // write members - emitLines(type.members); - decreaseIndent(); - } - write("}"); - } - } - function emitSourceFile(node) { - currentText = node.text; - currentLineMap = ts.getLineStarts(node); - currentIdentifiers = node.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(node); - enclosingDeclaration = node; - ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true /* remove comments */); - emitLines(node.statements); - } - // Return a temp variable name to be used in `export default` statements. - // The temp name will be of the form _default_counter. - // Note that export default is only allowed at most once in a module, so we - // do not need to keep track of created temp names. - function getExportDefaultTempVariableName() { - var baseName = "_default"; - if (!ts.hasProperty(currentIdentifiers, baseName)) { - return baseName; - } - var count = 0; - while (true) { - count++; - var name_21 = baseName + "_" + count; - if (!ts.hasProperty(currentIdentifiers, name_21)) { - return name_21; - } - } - } - function emitExportAssignment(node) { - if (node.expression.kind === 69 /* Identifier */) { - write(node.isExportEquals ? "export = " : "export default "); - writeTextOfNode(currentText, node.expression); - } - else { - // Expression - var tempVarName = getExportDefaultTempVariableName(); - write("declare var "); - write(tempVarName); - write(": "); - writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; - resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); - write(";"); - writeLine(); - write(node.isExportEquals ? "export = " : "export default "); - write(tempVarName); - } - write(";"); - writeLine(); - // Make all the declarations visible for the export name - if (node.expression.kind === 69 /* Identifier */) { - var nodes = resolver.collectLinkedAliases(node.expression); - // write each of these declarations asynchronously - writeAsynchronousModuleElements(nodes); - } - function getDefaultExportAccessibilityDiagnostic(diagnostic) { - return { - diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, - errorNode: node - }; - } - } - function isModuleElementVisible(node) { - return resolver.isDeclarationVisible(node); - } - function emitModuleElement(node, isModuleElementVisible) { - if (isModuleElementVisible) { - writeModuleElement(node); - } - else if (node.kind === 224 /* ImportEqualsDeclaration */ || - (node.parent.kind === 251 /* SourceFile */ && isCurrentFileExternalModule)) { - var isVisible = void 0; - if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251 /* SourceFile */) { - // Import declaration of another module that is visited async so lets put it in right spot - asynchronousSubModuleDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - else { - if (node.kind === 225 /* ImportDeclaration */) { - var importDeclaration = node; - if (importDeclaration.importClause) { - isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || - isVisibleNamedBinding(importDeclaration.importClause.namedBindings); - } - } - moduleElementDeclarationEmitInfo.push({ - node: node, - outputPos: writer.getTextPos(), - indent: writer.getIndent(), - isVisible: isVisible - }); - } - } - } - function writeModuleElement(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - return writeFunctionDeclaration(node); - case 196 /* VariableStatement */: - return writeVariableStatement(node); - case 218 /* InterfaceDeclaration */: - return writeInterfaceDeclaration(node); - case 217 /* ClassDeclaration */: - return writeClassDeclaration(node); - case 219 /* TypeAliasDeclaration */: - return writeTypeAliasDeclaration(node); - case 220 /* EnumDeclaration */: - return writeEnumDeclaration(node); - case 221 /* ModuleDeclaration */: - return writeModuleDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return writeImportEqualsDeclaration(node); - case 225 /* ImportDeclaration */: - return writeImportDeclaration(node); - default: - ts.Debug.fail("Unknown symbol kind"); - } - } - function emitModuleElementDeclarationFlags(node) { - // If the node is parented in the current source file we need to emit export declare or just export - if (node.parent.kind === 251 /* SourceFile */) { - // If the node is exported - if (node.flags & 2 /* Export */) { - write("export "); - } - if (node.flags & 512 /* Default */) { - write("default "); - } - else if (node.kind !== 218 /* InterfaceDeclaration */ && !noDeclare) { - write("declare "); - } - } - } - function emitClassMemberDeclarationFlags(node) { - if (node.flags & 16 /* Private */) { - write("private "); - } - else if (node.flags & 32 /* Protected */) { - write("protected "); - } - if (node.flags & 64 /* Static */) { - write("static "); - } - if (node.flags & 128 /* Abstract */) { - write("abstract "); - } - } - function writeImportEqualsDeclaration(node) { - // note usage of writer. methods instead of aliases created, just to make sure we are using - // correct writer especially to handle asynchronous alias writing - emitJsDocComments(node); - if (node.flags & 2 /* Export */) { - write("export "); - } - write("import "); - writeTextOfNode(currentText, node.name); - write(" = "); - if (ts.isInternalModuleImportEqualsDeclaration(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); - write(";"); - } - else { - write("require("); - emitExternalModuleSpecifier(node); - write(");"); - } - writer.writeLine(); - function getImportEntityNameVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, - errorNode: node, - typeName: node.name - }; - } - } - function isVisibleNamedBinding(namedBindings) { - if (namedBindings) { - if (namedBindings.kind === 227 /* NamespaceImport */) { - return resolver.isDeclarationVisible(namedBindings); - } - else { - return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); - } - } - } - function writeImportDeclaration(node) { - emitJsDocComments(node); - if (node.flags & 2 /* Export */) { - write("export "); - } - write("import "); - if (node.importClause) { - var currentWriterPos = writer.getTextPos(); - if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { - writeTextOfNode(currentText, node.importClause.name); - } - if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { - if (currentWriterPos !== writer.getTextPos()) { - // If the default binding was emitted, write the separated - write(", "); - } - if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { - write("* as "); - writeTextOfNode(currentText, node.importClause.namedBindings.name); - } - else { - write("{ "); - emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); - write(" }"); - } - } - write(" from "); - } - emitExternalModuleSpecifier(node); - write(";"); - writer.writeLine(); - } - function emitExternalModuleSpecifier(parent) { - // emitExternalModuleSpecifier is usually called when we emit something in the.d.ts file that will make it an external module (i.e. import/export declarations). - // the only case when it is not true is when we call it to emit correct name for module augmentation - d.ts files with just module augmentations are not considered - // external modules since they are indistingushable from script files with ambient modules. To fix this in such d.ts files we'll emit top level 'export {}' - // so compiler will treat them as external modules. - resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221 /* ModuleDeclaration */; - var moduleSpecifier; - if (parent.kind === 224 /* ImportEqualsDeclaration */) { - var node = parent; - moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); - } - else if (parent.kind === 221 /* ModuleDeclaration */) { - moduleSpecifier = parent.name; - } - else { - var node = parent; - moduleSpecifier = node.moduleSpecifier; - } - if (moduleSpecifier.kind === 9 /* StringLiteral */ && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { - var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); - if (moduleName) { - write("\""); - write(moduleName); - write("\""); - return; - } - } - writeTextOfNode(currentText, moduleSpecifier); - } - function emitImportOrExportSpecifier(node) { - if (node.propertyName) { - writeTextOfNode(currentText, node.propertyName); - write(" as "); - } - writeTextOfNode(currentText, node.name); - } - function emitExportSpecifier(node) { - emitImportOrExportSpecifier(node); - // Make all the declarations visible for the export name - var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); - // write each of these declarations asynchronously - writeAsynchronousModuleElements(nodes); - } - function emitExportDeclaration(node) { - emitJsDocComments(node); - write("export "); - if (node.exportClause) { - write("{ "); - emitCommaList(node.exportClause.elements, emitExportSpecifier); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emitExternalModuleSpecifier(node); - } - write(";"); - writer.writeLine(); - } - function writeModuleDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isGlobalScopeAugmentation(node)) { - write("global "); - } - else { - if (node.flags & 65536 /* Namespace */) { - write("namespace "); - } - else { - write("module "); - } - if (ts.isExternalModuleAugmentation(node)) { - emitExternalModuleSpecifier(node); - } - else { - writeTextOfNode(currentText, node.name); - } - } - while (node.body.kind !== 222 /* ModuleBlock */) { - node = node.body; - write("."); - writeTextOfNode(currentText, node.name); - } - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.body.statements); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeTypeAliasDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("type "); - writeTextOfNode(currentText, node.name); - emitTypeParameters(node.typeParameters); - write(" = "); - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); - write(";"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { - return { - diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, - errorNode: node.type, - typeName: node.name - }; - } - } - function writeEnumDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isConst(node)) { - write("const "); - } - write("enum "); - writeTextOfNode(currentText, node.name); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - } - function emitEnumMemberDeclaration(node) { - emitJsDocComments(node); - writeTextOfNode(currentText, node.name); - var enumMemberValue = resolver.getConstantValue(node); - if (enumMemberValue !== undefined) { - write(" = "); - write(enumMemberValue.toString()); - } - write(","); - writeLine(); - } - function isPrivateMethodTypeParameter(node) { - return node.parent.kind === 144 /* MethodDeclaration */ && (node.parent.flags & 16 /* Private */); - } - function emitTypeParameters(typeParameters) { - function emitTypeParameter(node) { - increaseIndent(); - emitJsDocComments(node); - decreaseIndent(); - writeTextOfNode(currentText, node.name); - // If there is constraint present and this is not a type parameter of the private method emit the constraint - if (node.constraint && !isPrivateMethodTypeParameter(node)) { - write(" extends "); - if (node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - (node.parent.parent && node.parent.parent.kind === 156 /* TypeLiteral */)) { - ts.Debug.assert(node.parent.kind === 144 /* MethodDeclaration */ || - node.parent.kind === 143 /* MethodSignature */ || - node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - node.parent.kind === 148 /* CallSignature */ || - node.parent.kind === 149 /* ConstructSignature */); - emitType(node.constraint); - } - else { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); - } - } - function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { - // Type parameter constraints are named by user so we should always be able to name it - var diagnosticMessage; - switch (node.parent.kind) { - case 217 /* ClassDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; - break; - case 218 /* InterfaceDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; - break; - case 149 /* ConstructSignature */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 148 /* CallSignature */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.parent.flags & 64 /* Static */) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - break; - case 216 /* FunctionDeclaration */: - diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; - break; - default: - ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - }; - } - } - if (typeParameters) { - write("<"); - emitCommaList(typeParameters, emitTypeParameter); - write(">"); - } - } - function emitHeritageClause(typeReferences, isImplementsList) { - if (typeReferences) { - write(isImplementsList ? " implements " : " extends "); - emitCommaList(typeReferences, emitTypeOfTypeReference); - } - function emitTypeOfTypeReference(node) { - if (ts.isSupportedExpressionWithTypeArguments(node)) { - emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); - } - else if (!isImplementsList && node.expression.kind === 93 /* NullKeyword */) { - write("null"); - } - function getHeritageClauseVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - // Heritage clause is written by user so it can always be named - if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - // Class or Interface implemented/extended is inaccessible - diagnosticMessage = isImplementsList ? - ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : - ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; - } - else { - // interface is inaccessible - diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.parent.parent.name - }; - } - } - } - function writeClassDeclaration(node) { - function emitParameterProperties(constructorDeclaration) { - if (constructorDeclaration) { - ts.forEach(constructorDeclaration.parameters, function (param) { - if (param.flags & 56 /* AccessibilityModifier */) { - emitPropertyDeclaration(param); - } - }); - } - } - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (node.flags & 128 /* Abstract */) { - write("abstract "); - } - write("class "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - emitHeritageClause([baseTypeNode], /*isImplementsList*/ false); - } - emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), /*isImplementsList*/ true); - write(" {"); - writeLine(); - increaseIndent(); - emitParameterProperties(ts.getFirstConstructorWithBody(node)); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function writeInterfaceDeclaration(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - write("interface "); - writeTextOfNode(currentText, node.name); - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - emitTypeParameters(node.typeParameters); - emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), /*isImplementsList*/ false); - write(" {"); - writeLine(); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - write("}"); - writeLine(); - enclosingDeclaration = prevEnclosingDeclaration; - } - function emitPropertyDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - emitJsDocComments(node); - emitClassMemberDeclarationFlags(node); - emitVariableDeclaration(node); - write(";"); - writeLine(); - } - function emitVariableDeclaration(node) { - // If we are emitting property it isn't moduleElement and hence we already know it needs to be emitted - // so there is no check needed to see if declaration is visible - if (node.kind !== 214 /* VariableDeclaration */ || resolver.isDeclarationVisible(node)) { - if (ts.isBindingPattern(node.name)) { - emitBindingPattern(node.name); - } - else { - // If this node is a computed name, it can only be a symbol, because we've already skipped - // it if it's not a well known symbol. In that case, the text of the name will be exactly - // what we want, namely the name expression enclosed in brackets. - writeTextOfNode(currentText, node.name); - // If optional property emit ? - if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && ts.hasQuestionToken(node)) { - write("?"); - } - if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && node.parent.kind === 156 /* TypeLiteral */) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.flags & 16 /* Private */)) { - writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); - } - } - } - function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - if (node.kind === 214 /* VariableDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; - } - else if (node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) { - // TODO(jfreeman): Deal with computed properties in error reporting. - if (node.flags & 64 /* Static */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; - } - else { - // Interfaces cannot have types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; - } - } - } - function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function emitBindingPattern(bindingPattern) { - // Only select non-omitted expression from the bindingPattern's elements. - // We have to do this to avoid emitting trailing commas. - // For example: - // original: var [, c,,] = [ 2,3,4] - // emitted: declare var c: number; // instead of declare var c:number, ; - var elements = []; - for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { - var element = _a[_i]; - if (element.kind !== 190 /* OmittedExpression */) { - elements.push(element); - } - } - emitCommaList(elements, emitBindingElement); - } - function emitBindingElement(bindingElement) { - function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: bindingElement, - typeName: bindingElement.name - } : undefined; - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - emitBindingPattern(bindingElement.name); - } - else { - writeTextOfNode(currentText, bindingElement.name); - writeTypeOfDeclaration(bindingElement, /*type*/ undefined, getBindingElementTypeVisibilityError); - } - } - } - } - function emitTypeOfVariableDeclarationFromTypeLiteral(node) { - // if this is property of type literal, - // or is parameter of method/call/construct/index signature of type literal - // emit only if type is specified - if (node.type) { - write(": "); - emitType(node.type); - } - } - function isVariableStatementVisible(node) { - return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); - } - function writeVariableStatement(node) { - emitJsDocComments(node); - emitModuleElementDeclarationFlags(node); - if (ts.isLet(node.declarationList)) { - write("let "); - } - else if (ts.isConst(node.declarationList)) { - write("const "); - } - else { - write("var "); - } - emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); - write(";"); - writeLine(); - } - function emitAccessorDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); - var accessorWithTypeAnnotation; - if (node === accessors.firstAccessor) { - emitJsDocComments(accessors.getAccessor); - emitJsDocComments(accessors.setAccessor); - emitClassMemberDeclarationFlags(node); - writeTextOfNode(currentText, node.name); - if (!(node.flags & 16 /* Private */)) { - accessorWithTypeAnnotation = node; - var type = getTypeAnnotationFromAccessor(node); - if (!type) { - // couldn't get type for the first accessor, try the another one - var anotherAccessor = node.kind === 146 /* GetAccessor */ ? accessors.setAccessor : accessors.getAccessor; - type = getTypeAnnotationFromAccessor(anotherAccessor); - if (type) { - accessorWithTypeAnnotation = anotherAccessor; - } - } - writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); - } - write(";"); - writeLine(); - } - function getTypeAnnotationFromAccessor(accessor) { - if (accessor) { - return accessor.kind === 146 /* GetAccessor */ - ? accessor.type // Getter - return type - : accessor.parameters.length > 0 - ? accessor.parameters[0].type // Setter parameter type - : undefined; - } - } - function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - if (accessorWithTypeAnnotation.kind === 147 /* SetAccessor */) { - // Setters have to have type named and cannot infer it so, the type should always be named - if (accessorWithTypeAnnotation.parent.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.parameters[0], - // TODO(jfreeman): Investigate why we are passing node.name instead of node.parameters[0].name - typeName: accessorWithTypeAnnotation.name - }; - } - else { - if (accessorWithTypeAnnotation.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - else { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: accessorWithTypeAnnotation.name, - typeName: undefined - }; - } - } - } - function writeFunctionDeclaration(node) { - if (ts.hasDynamicName(node)) { - return; - } - // If we are emitting Method/Constructor it isn't moduleElement and hence already determined to be emitting - // so no need to verify if the declaration is visible - if (!resolver.isImplementationOfOverload(node)) { - emitJsDocComments(node); - if (node.kind === 216 /* FunctionDeclaration */) { - emitModuleElementDeclarationFlags(node); - } - else if (node.kind === 144 /* MethodDeclaration */) { - emitClassMemberDeclarationFlags(node); - } - if (node.kind === 216 /* FunctionDeclaration */) { - write("function "); - writeTextOfNode(currentText, node.name); - } - else if (node.kind === 145 /* Constructor */) { - write("constructor"); - } - else { - writeTextOfNode(currentText, node.name); - if (ts.hasQuestionToken(node)) { - write("?"); - } - } - emitSignatureDeclaration(node); - } - } - function emitSignatureDeclarationWithJsDocComments(node) { - emitJsDocComments(node); - emitSignatureDeclaration(node); - } - function emitSignatureDeclaration(node) { - var prevEnclosingDeclaration = enclosingDeclaration; - enclosingDeclaration = node; - // Construct signature or constructor type write new Signature - if (node.kind === 149 /* ConstructSignature */ || node.kind === 154 /* ConstructorType */) { - write("new "); - } - emitTypeParameters(node.typeParameters); - if (node.kind === 150 /* IndexSignature */) { - write("["); - } - else { - write("("); - } - // Parameters - emitCommaList(node.parameters, emitParameterDeclaration); - if (node.kind === 150 /* IndexSignature */) { - write("]"); - } - else { - write(")"); - } - // If this is not a constructor and is not private, emit the return type - var isFunctionTypeOrConstructorType = node.kind === 153 /* FunctionType */ || node.kind === 154 /* ConstructorType */; - if (isFunctionTypeOrConstructorType || node.parent.kind === 156 /* TypeLiteral */) { - // Emit type literal signature return type only if specified - if (node.type) { - write(isFunctionTypeOrConstructorType ? " => " : ": "); - emitType(node.type); - } - } - else if (node.kind !== 145 /* Constructor */ && !(node.flags & 16 /* Private */)) { - writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); - } - enclosingDeclaration = prevEnclosingDeclaration; - if (!isFunctionTypeOrConstructorType) { - write(";"); - writeLine(); - } - function getReturnTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage; - switch (node.kind) { - case 149 /* ConstructSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 148 /* CallSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 150 /* IndexSignature */: - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.flags & 64 /* Static */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; - } - else if (node.parent.kind === 217 /* ClassDeclaration */) { - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; - } - else { - // Interfaces cannot have return types that cannot be named - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; - } - break; - case 216 /* FunctionDeclaration */: - diagnosticMessage = symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : - ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; - break; - default: - ts.Debug.fail("This is unknown kind for signature: " + node.kind); - } - return { - diagnosticMessage: diagnosticMessage, - errorNode: node.name || node - }; - } - } - function emitParameterDeclaration(node) { - increaseIndent(); - emitJsDocComments(node); - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - // For bindingPattern, we can't simply writeTextOfNode from the source file - // because we want to omit the initializer and using writeTextOfNode will result in initializer get emitted. - // Therefore, we will have to recursively emit each element in the bindingPattern. - emitBindingPattern(node.name); - } - else { - writeTextOfNode(currentText, node.name); - } - if (resolver.isOptionalParameter(node)) { - write("?"); - } - decreaseIndent(); - if (node.parent.kind === 153 /* FunctionType */ || - node.parent.kind === 154 /* ConstructorType */ || - node.parent.parent.kind === 156 /* TypeLiteral */) { - emitTypeOfVariableDeclarationFromTypeLiteral(node); - } - else if (!(node.parent.flags & 16 /* Private */)) { - writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); - } - function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { - var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); - return diagnosticMessage !== undefined ? { - diagnosticMessage: diagnosticMessage, - errorNode: node, - typeName: node.name - } : undefined; - } - function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { - switch (node.parent.kind) { - case 145 /* Constructor */: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; - case 149 /* ConstructSignature */: - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; - case 148 /* CallSignature */: - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (node.parent.flags & 64 /* Static */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; - } - else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; - } - else { - // Interfaces cannot have parameter types that cannot be named - return symbolAccesibilityResult.errorModuleName ? - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; - } - case 216 /* FunctionDeclaration */: - return symbolAccesibilityResult.errorModuleName ? - symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : - ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; - default: - ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); - } - } - function emitBindingPattern(bindingPattern) { - // We have to explicitly emit square bracket and bracket because these tokens are not store inside the node. - if (bindingPattern.kind === 164 /* ObjectBindingPattern */) { - write("{"); - emitCommaList(bindingPattern.elements, emitBindingElement); - write("}"); - } - else if (bindingPattern.kind === 165 /* ArrayBindingPattern */) { - write("["); - var elements = bindingPattern.elements; - emitCommaList(elements, emitBindingElement); - if (elements && elements.hasTrailingComma) { - write(", "); - } - write("]"); - } - } - function emitBindingElement(bindingElement) { - if (bindingElement.kind === 190 /* OmittedExpression */) { - // If bindingElement is an omittedExpression (i.e. containing elision), - // we will emit blank space (although this may differ from users' original code, - // it allows emitSeparatedList to write separator appropriately) - // Example: - // original: function foo([, x, ,]) {} - // emit : function foo([ , x, , ]) {} - write(" "); - } - else if (bindingElement.kind === 166 /* BindingElement */) { - if (bindingElement.propertyName) { - // bindingElement has propertyName property in the following case: - // { y: [a,b,c] ...} -> bindingPattern will have a property called propertyName for "y" - // We have to explicitly emit the propertyName before descending into its binding elements. - // Example: - // original: function foo({y: [a,b,c]}) {} - // emit : declare function foo({y: [a, b, c]}: { y: [any, any, any] }) void; - writeTextOfNode(currentText, bindingElement.propertyName); - write(": "); - } - if (bindingElement.name) { - if (ts.isBindingPattern(bindingElement.name)) { - // If it is a nested binding pattern, we will recursively descend into each element and emit each one separately. - // In the case of rest element, we will omit rest element. - // Example: - // original: function foo([a, [[b]], c] = [1,[["string"]], 3]) {} - // emit : declare function foo([a, [[b]], c]: [number, [[string]], number]): void; - // original with rest: function foo([a, ...c]) {} - // emit : declare function foo([a, ...c]): void; - emitBindingPattern(bindingElement.name); - } - else { - ts.Debug.assert(bindingElement.name.kind === 69 /* Identifier */); - // If the node is just an identifier, we will simply emit the text associated with the node's name - // Example: - // original: function foo({y = 10, x}) {} - // emit : declare function foo({y, x}: {number, any}): void; - if (bindingElement.dotDotDotToken) { - write("..."); - } - writeTextOfNode(currentText, bindingElement.name); - } - } - } - } - } - function emitNode(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 221 /* ModuleDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 218 /* InterfaceDeclaration */: - case 217 /* ClassDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - return emitModuleElement(node, isModuleElementVisible(node)); - case 196 /* VariableStatement */: - return emitModuleElement(node, isVariableStatementVisible(node)); - case 225 /* ImportDeclaration */: - // Import declaration without import clause is visible, otherwise it is not visible - return emitModuleElement(node, /*isModuleElementVisible*/ !node.importClause); - case 231 /* ExportDeclaration */: - return emitExportDeclaration(node); - case 145 /* Constructor */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return writeFunctionDeclaration(node); - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 150 /* IndexSignature */: - return emitSignatureDeclarationWithJsDocComments(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return emitAccessorDeclaration(node); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return emitPropertyDeclaration(node); - case 250 /* EnumMember */: - return emitEnumMemberDeclaration(node); - case 230 /* ExportAssignment */: - return emitExportAssignment(node); - case 251 /* SourceFile */: - return emitSourceFile(node); - } - } - /** - * Adds the reference to referenced file, returns true if global file reference was emitted - * @param referencedFile - * @param addBundledFileReference Determines if global file reference corresponding to bundled file should be emitted or not - */ - function writeReferencePath(referencedFile, addBundledFileReference) { - var declFileName; - var addedBundledEmitReference = false; - if (ts.isDeclarationFile(referencedFile)) { - // Declaration file, use declaration file name - declFileName = referencedFile.fileName; - } - else { - // Get the declaration file path - ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); - } - if (declFileName) { - declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, - /*isAbsolutePathAnUrl*/ false); - referencePathsOutput += "/// " + newLine; - } - return addedBundledEmitReference; - function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { - // Dont add reference path to this file if it is a bundled emit and caller asked not emit bundled file path - if (isBundledEmit && !addBundledFileReference) { - return; - } - ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); - declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; - addedBundledEmitReference = isBundledEmit; - } - } - } - /* @internal */ - function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { - var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); - var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; - if (!emitSkipped) { - var declarationOutput = emitDeclarationResult.referencePathsOutput - + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); - ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); - } - return emitSkipped; - function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { - var appliedSyncOutputPos = 0; - var declarationOutput = ""; - // apply asynchronous additions to the synchronous output - ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { - if (aliasEmitInfo.asynchronousOutput) { - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); - declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); - appliedSyncOutputPos = aliasEmitInfo.outputPos; - } - }); - declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); - return declarationOutput; - } - } - ts.writeDeclarationFile = writeDeclarationFile; -})(ts || (ts = {})); -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - function getResolvedExternalModuleName(host, file) { - return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); - } - ts.getResolvedExternalModuleName = getResolvedExternalModuleName; - function getExternalModuleNameFromDeclaration(host, resolver, declaration) { - var file = resolver.getExternalModuleFileFromDeclaration(declaration); - if (!file || ts.isDeclarationFile(file)) { - return undefined; - } - return getResolvedExternalModuleName(host, file); - } - ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; - var Jump; - (function (Jump) { - Jump[Jump["Break"] = 2] = "Break"; - Jump[Jump["Continue"] = 4] = "Continue"; - Jump[Jump["Return"] = 8] = "Return"; - })(Jump || (Jump = {})); - 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"minus": 0x2212, - "lowast": 0x2217, - "radic": 0x221A, - "prop": 0x221D, - "infin": 0x221E, - "ang": 0x2220, - "and": 0x2227, - "or": 0x2228, - "cap": 0x2229, - "cup": 0x222A, - "int": 0x222B, - "there4": 0x2234, - "sim": 0x223C, - "cong": 0x2245, - "asymp": 0x2248, - "ne": 0x2260, - "equiv": 0x2261, - "le": 0x2264, - "ge": 0x2265, - "sub": 0x2282, - "sup": 0x2283, - "nsub": 0x2284, - "sube": 0x2286, - "supe": 0x2287, - "oplus": 0x2295, - "otimes": 0x2297, - "perp": 0x22A5, - "sdot": 0x22C5, - "lceil": 0x2308, - "rceil": 0x2309, - "lfloor": 0x230A, - "rfloor": 0x230B, - "lang": 0x2329, - "rang": 0x232A, - "loz": 0x25CA, - "spades": 0x2660, - "clubs": 0x2663, - "hearts": 0x2665, - "diams": 0x2666 - }; - // Flags enum to track count of temp variables and a few dedicated names - var TempFlags; - (function (TempFlags) { - TempFlags[TempFlags["Auto"] = 0] = "Auto"; - TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; - TempFlags[TempFlags["_i"] = 268435456] = "_i"; - })(TempFlags || (TempFlags = {})); - var CopyDirection; - (function (CopyDirection) { - CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; - CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; - })(CopyDirection || (CopyDirection = {})); - // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature - function emitFiles(resolver, host, targetSourceFile) { - // emit output for the __extends helper function - var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; - // emit output for the __decorate helper function - var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; - // emit output for the __metadata helper function - var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; - // emit output for the __param helper function - var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; - var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; - var compilerOptions = host.getCompilerOptions(); - var languageVersion = ts.getEmitScriptTarget(compilerOptions); - var modulekind = ts.getEmitModuleKind(compilerOptions); - var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; - var emitterDiagnostics = ts.createDiagnosticCollection(); - var emitSkipped = false; - var newLine = host.getNewLine(); - var emitJavaScript = createFileEmitter(); - ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); - return { - emitSkipped: emitSkipped, - diagnostics: emitterDiagnostics.getDiagnostics(), - sourceMaps: sourceMapDataList - }; - function isUniqueLocalName(name, container) { - for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { - if (node.locals && ts.hasProperty(node.locals, name)) { - // We conservatively include alias symbols to cover cases where they're emitted as locals - if (node.locals[name].flags & (107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */)) { - return false; - } - } - } - return true; - } - function setLabeledJump(state, isBreak, labelText, labelMarker) { - if (isBreak) { - if (!state.labeledNonLocalBreaks) { - state.labeledNonLocalBreaks = {}; - } - state.labeledNonLocalBreaks[labelText] = labelMarker; - } - else { - if (!state.labeledNonLocalContinues) { - state.labeledNonLocalContinues = {}; - } - state.labeledNonLocalContinues[labelText] = labelMarker; - } - } - function hoistVariableDeclarationFromLoop(state, declaration) { - if (!state.hoistedLocalVariables) { - state.hoistedLocalVariables = []; - } - visit(declaration.name); - function visit(node) { - if (node.kind === 69 /* Identifier */) { - state.hoistedLocalVariables.push(node); - } - else { - for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { - var element = _b[_a]; - visit(element.name); - } - } - } - } - function createFileEmitter() { - var writer = ts.createTextWriter(newLine); - var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; - var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); - var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; - var currentSourceFile; - var currentText; - var currentLineMap; - var currentFileIdentifiers; - var renamedDependencies; - var isEs6Module; - var isCurrentFileExternalModule; - // name of an exporter function if file is a System external module - // System.register([...], function () {...}) - // exporting in System modules looks like: - // export var x; ... x = 1 - // => - // var x;... exporter("x", x = 1) - var exportFunctionForFile; - var contextObjectForFile; - var generatedNameSet; - var nodeToGeneratedName; - var computedPropertyNamesToGeneratedNames; - var decoratedClassAliases; - var convertedLoopState; - var extendsEmitted; - var decorateEmitted; - var paramEmitted; - var awaiterEmitted; - var tempFlags = 0; - var tempVariables; - var tempParameters; - var externalImports; - var exportSpecifiers; - var exportEquals; - var hasExportStarsToExportValues; - var detachedCommentsInfo; - /** Sourcemap data that will get encoded */ - var sourceMapData; - /** Is the file being emitted into its own file */ - var isOwnFileEmit; - /** If removeComments is true, no leading-comments needed to be emitted **/ - var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; - var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; - var moduleEmitDelegates = (_a = {}, - _a[5 /* ES6 */] = emitES6Module, - _a[2 /* AMD */] = emitAMDModule, - _a[4 /* System */] = emitSystemModule, - _a[3 /* UMD */] = emitUMDModule, - _a[1 /* CommonJS */] = emitCommonJSModule, - _a - ); - var bundleEmitDelegates = (_b = {}, - _b[5 /* ES6 */] = function () { }, - _b[2 /* AMD */] = emitAMDModule, - _b[4 /* System */] = emitSystemModule, - _b[3 /* UMD */] = function () { }, - _b[1 /* CommonJS */] = function () { }, - _b - ); - return doEmit; - function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { - sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - generatedNameSet = {}; - nodeToGeneratedName = []; - decoratedClassAliases = []; - isOwnFileEmit = !isBundledEmit; - // Emit helpers from all the files - if (isBundledEmit && modulekind) { - ts.forEach(sourceFiles, emitEmitHelpers); - } - // Do not call emit directly. It does not set the currentSourceFile. - ts.forEach(sourceFiles, emitSourceFile); - writeLine(); - var sourceMappingURL = sourceMap.getSourceMappingURL(); - if (sourceMappingURL) { - write("//# sourceMappingURL=" + sourceMappingURL); - } - writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, /*writeByteOrderMark*/ compilerOptions.emitBOM); - // reset the state - sourceMap.reset(); - writer.reset(); - currentSourceFile = undefined; - currentText = undefined; - currentLineMap = undefined; - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - generatedNameSet = undefined; - nodeToGeneratedName = undefined; - decoratedClassAliases = undefined; - computedPropertyNamesToGeneratedNames = undefined; - convertedLoopState = undefined; - extendsEmitted = false; - decorateEmitted = false; - paramEmitted = false; - awaiterEmitted = false; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = undefined; - detachedCommentsInfo = undefined; - sourceMapData = undefined; - isEs6Module = false; - renamedDependencies = undefined; - isCurrentFileExternalModule = false; - } - function emitSourceFile(sourceFile) { - currentSourceFile = sourceFile; - currentText = sourceFile.text; - currentLineMap = ts.getLineStarts(sourceFile); - exportFunctionForFile = undefined; - contextObjectForFile = undefined; - isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; - renamedDependencies = sourceFile.renamedDependencies; - currentFileIdentifiers = sourceFile.identifiers; - isCurrentFileExternalModule = ts.isExternalModule(sourceFile); - setSourceFile(sourceFile); - emitNodeWithCommentsAndWithoutSourcemap(sourceFile); - } - function isUniqueName(name) { - return !resolver.hasGlobalName(name) && - !ts.hasProperty(currentFileIdentifiers, name) && - !ts.hasProperty(generatedNameSet, name); - } - // Return the next available name in the pattern _a ... _z, _0, _1, ... - // TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name. - // Note that names generated by makeTempVariableName and makeUniqueName will never conflict. - function makeTempVariableName(flags) { - if (flags && !(tempFlags & flags)) { - var name_22 = flags === 268435456 /* _i */ ? "_i" : "_n"; - if (isUniqueName(name_22)) { - tempFlags |= flags; - return name_22; - } - } - while (true) { - var count = tempFlags & 268435455 /* CountMask */; - tempFlags++; - // Skip over 'i' and 'n' - if (count !== 8 && count !== 13) { - var name_23 = count < 26 ? "_" + String.fromCharCode(97 /* a */ + count) : "_" + (count - 26); - if (isUniqueName(name_23)) { - return name_23; - } - } - } - } - // Generate a name that is unique within the current file and doesn't conflict with any names - // in global scope. The name is formed by adding an '_n' suffix to the specified base name, - // where n is a positive integer. Note that names generated by makeTempVariableName and - // makeUniqueName are guaranteed to never conflict. - function makeUniqueName(baseName) { - // Find the first unique 'name_n', where n is a positive number - if (baseName.charCodeAt(baseName.length - 1) !== 95 /* _ */) { - baseName += "_"; - } - var i = 1; - while (true) { - var generatedName = baseName + i; - if (isUniqueName(generatedName)) { - return generatedNameSet[generatedName] = generatedName; - } - i++; - } - } - function generateNameForModuleOrEnum(node) { - var name = node.name.text; - // Use module/enum name itself if it is unique, otherwise make a unique variation - return isUniqueLocalName(name, node) ? name : makeUniqueName(name); - } - function generateNameForImportOrExportDeclaration(node) { - var expr = ts.getExternalModuleName(node); - var baseName = expr.kind === 9 /* StringLiteral */ ? - ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; - return makeUniqueName(baseName); - } - function generateNameForExportDefault() { - return makeUniqueName("default"); - } - function generateNameForClassExpression() { - return makeUniqueName("class"); - } - function generateNameForNode(node) { - switch (node.kind) { - case 69 /* Identifier */: - return makeUniqueName(node.text); - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - return generateNameForModuleOrEnum(node); - case 225 /* ImportDeclaration */: - case 231 /* ExportDeclaration */: - return generateNameForImportOrExportDeclaration(node); - case 216 /* FunctionDeclaration */: - case 217 /* ClassDeclaration */: - case 230 /* ExportAssignment */: - return generateNameForExportDefault(); - case 189 /* ClassExpression */: - return generateNameForClassExpression(); - } - } - function getGeneratedNameForNode(node) { - var id = ts.getNodeId(node); - return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); - } - /** Write emitted output to disk */ - function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { - if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { - ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), /*writeByteOrderMark*/ false); - } - if (sourceMapDataList) { - sourceMapDataList.push(sourceMap.getSourceMapData()); - } - ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); - } - // Create a temporary variable with a unique unused name. - function createTempVariable(flags) { - var result = ts.createSynthesizedNode(69 /* Identifier */); - result.text = makeTempVariableName(flags); - return result; - } - function recordTempDeclaration(name) { - if (!tempVariables) { - tempVariables = []; - } - tempVariables.push(name); - } - function createAndRecordTempVariable(flags) { - var temp = createTempVariable(flags); - recordTempDeclaration(temp); - return temp; - } - function emitTempDeclarations(newLine) { - if (tempVariables) { - if (newLine) { - writeLine(); - } - else { - write(" "); - } - write("var "); - emitCommaList(tempVariables); - write(";"); - } - } - /** Emit the text for the given token that comes after startPos - * This by default writes the text provided with the given tokenKind - * but if optional emitFn callback is provided the text is emitted using the callback instead of default text - * @param tokenKind the kind of the token to search and emit - * @param startPos the position in the source to start searching for the token - * @param emitFn if given will be invoked to emit the text instead of actual token emit */ - function emitToken(tokenKind, startPos, emitFn) { - var tokenStartPos = ts.skipTrivia(currentText, startPos); - emitPos(tokenStartPos); - var tokenString = ts.tokenToString(tokenKind); - if (emitFn) { - emitFn(); - } - else { - write(tokenString); - } - var tokenEndPos = tokenStartPos + tokenString.length; - emitPos(tokenEndPos); - return tokenEndPos; - } - function emitOptional(prefix, node) { - if (node) { - write(prefix); - emit(node); - } - } - function emitParenthesizedIf(node, parenthesized) { - if (parenthesized) { - write("("); - } - emit(node); - if (parenthesized) { - write(")"); - } - } - function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { - ts.Debug.assert(nodes.length > 0); - increaseIndent(); - if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - for (var i = 0, n = nodes.length; i < n; i++) { - if (i) { - if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { - write(", "); - } - else { - write(","); - writeLine(); - } - } - emit(nodes[i]); - } - if (nodes.hasTrailingComma && allowTrailingComma) { - write(","); - } - decreaseIndent(); - if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { - if (spacesBetweenBraces) { - write(" "); - } - } - else { - writeLine(); - } - } - function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { - if (!emitNode) { - emitNode = emit; - } - for (var i = 0; i < count; i++) { - if (multiLine) { - if (i || leadingComma) { - write(","); - } - writeLine(); - } - else { - if (i || leadingComma) { - write(", "); - } - } - var node = nodes[start + i]; - // This emitting is to make sure we emit following comment properly - // ...(x, /*comment1*/ y)... - // ^ => node.pos - // "comment1" is not considered leading comment for "y" but rather - // considered as trailing comment of the previous node. - emitTrailingCommentsOfPosition(node.pos); - emitNode(node); - leadingComma = true; - } - if (trailingComma) { - write(","); - } - if (multiLine && !noTrailingNewLine) { - writeLine(); - } - return count; - } - function emitCommaList(nodes) { - if (nodes) { - emitList(nodes, 0, nodes.length, /*multiLine*/ false, /*trailingComma*/ false); - } - } - function emitLines(nodes) { - emitLinesStartingAt(nodes, /*startIndex*/ 0); - } - function emitLinesStartingAt(nodes, startIndex) { - for (var i = startIndex; i < nodes.length; i++) { - writeLine(); - emit(nodes[i]); - } - } - function isBinaryOrOctalIntegerLiteral(node, text) { - if (node.kind === 8 /* NumericLiteral */ && text.length > 1) { - switch (text.charCodeAt(1)) { - case 98 /* b */: - case 66 /* B */: - case 111 /* o */: - case 79 /* O */: - return true; - } - } - return false; - } - function emitLiteral(node) { - var text = getLiteralText(node); - if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) { - writer.writeLiteral(text); - } - else if (languageVersion < 2 /* ES6 */ && isBinaryOrOctalIntegerLiteral(node, text)) { - write(node.text); - } - else { - write(text); - } - } - function getLiteralText(node) { - // Any template literal or string literal with an extended escape - // (e.g. "\u{0067}") will need to be downleveled as a escaped string literal. - if (languageVersion < 2 /* ES6 */ && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { - return getQuotedEscapedLiteralText("\"", node.text, "\""); - } - // If we don't need to downlevel and we can reach the original source text using - // the node's parent reference, then simply get the text as it was originally written. - if (node.parent) { - return ts.getTextOfNodeFromSourceText(currentText, node); - } - // If we can't reach the original source text, use the canonical form if it's a number, - // or an escaped quoted form of the original text if it's string-like. - switch (node.kind) { - case 9 /* StringLiteral */: - return getQuotedEscapedLiteralText("\"", node.text, "\""); - case 11 /* NoSubstitutionTemplateLiteral */: - return getQuotedEscapedLiteralText("`", node.text, "`"); - case 12 /* TemplateHead */: - return getQuotedEscapedLiteralText("`", node.text, "${"); - case 13 /* TemplateMiddle */: - return getQuotedEscapedLiteralText("}", node.text, "${"); - case 14 /* TemplateTail */: - return getQuotedEscapedLiteralText("}", node.text, "`"); - case 8 /* NumericLiteral */: - return node.text; - } - ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); - } - function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { - return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; - } - function emitDownlevelRawTemplateLiteral(node) { - // Find original source text, since we need to emit the raw strings of the tagged template. - // The raw strings contain the (escaped) strings of what the user wrote. - // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". - var text = ts.getTextOfNodeFromSourceText(currentText, node); - // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), - // thus we need to remove those characters. - // First template piece starts with "`", others with "}" - // Last template piece ends with "`", others with "${" - var isLast = node.kind === 11 /* NoSubstitutionTemplateLiteral */ || node.kind === 14 /* TemplateTail */; - text = text.substring(1, text.length - (isLast ? 1 : 2)); - // Newline normalization: - // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's - // and LineTerminatorSequences are normalized to for both TV and TRV. - text = text.replace(/\r\n?/g, "\n"); - text = ts.escapeString(text); - write("\"" + text + "\""); - } - function emitDownlevelTaggedTemplateArray(node, literalEmitter) { - write("["); - if (node.template.kind === 11 /* NoSubstitutionTemplateLiteral */) { - literalEmitter(node.template); - } - else { - literalEmitter(node.template.head); - ts.forEach(node.template.templateSpans, function (child) { - write(", "); - literalEmitter(child.literal); - }); - } - write("]"); - } - function emitDownlevelTaggedTemplate(node) { - var tempVariable = createAndRecordTempVariable(0 /* Auto */); - write("("); - emit(tempVariable); - write(" = "); - emitDownlevelTaggedTemplateArray(node, emit); - write(", "); - emit(tempVariable); - write(".raw = "); - emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); - write(", "); - emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); - write("("); - emit(tempVariable); - // Now we emit the expressions - if (node.template.kind === 186 /* TemplateExpression */) { - ts.forEach(node.template.templateSpans, function (templateSpan) { - write(", "); - var needsParens = templateSpan.expression.kind === 184 /* BinaryExpression */ - && templateSpan.expression.operatorToken.kind === 24 /* CommaToken */; - emitParenthesizedIf(templateSpan.expression, needsParens); - }); - } - write("))"); - } - function emitTemplateExpression(node) { - // In ES6 mode and above, we can simply emit each portion of a template in order, but in - // ES3 & ES5 we must convert the template expression into a series of string concatenations. - if (languageVersion >= 2 /* ES6 */) { - ts.forEachChild(node, emit); - return; - } - var emitOuterParens = ts.isExpression(node.parent) - && templateNeedsParens(node, node.parent); - if (emitOuterParens) { - write("("); - } - var headEmitted = false; - if (shouldEmitTemplateHead()) { - emitLiteral(node.head); - headEmitted = true; - } - for (var i = 0, n = node.templateSpans.length; i < n; i++) { - var templateSpan = node.templateSpans[i]; - // Check if the expression has operands and binds its operands less closely than binary '+'. - // If it does, we need to wrap the expression in parentheses. Otherwise, something like - // `abc${ 1 << 2 }` - // becomes - // "abc" + 1 << 2 + "" - // which is really - // ("abc" + 1) << (2 + "") - // rather than - // "abc" + (1 << 2) + "" - var needsParens = templateSpan.expression.kind !== 175 /* ParenthesizedExpression */ - && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1 /* GreaterThan */; - if (i > 0 || headEmitted) { - // If this is the first span and the head was not emitted, then this templateSpan's - // expression will be the first to be emitted. Don't emit the preceding ' + ' in that - // case. - write(" + "); - } - emitParenthesizedIf(templateSpan.expression, needsParens); - // Only emit if the literal is non-empty. - // The binary '+' operator is left-associative, so the first string concatenation - // with the head will force the result up to this point to be a string. - // Emitting a '+ ""' has no semantic effect for middles and tails. - if (templateSpan.literal.text.length !== 0) { - write(" + "); - emitLiteral(templateSpan.literal); - } - } - if (emitOuterParens) { - write(")"); - } - function shouldEmitTemplateHead() { - // If this expression has an empty head literal and the first template span has a non-empty - // literal, then emitting the empty head literal is not necessary. - // `${ foo } and ${ bar }` - // can be emitted as - // foo + " and " + bar - // This is because it is only required that one of the first two operands in the emit - // output must be a string literal, so that the other operand and all following operands - // are forced into strings. - // - // If the first template span has an empty literal, then the head must still be emitted. - // `${ foo }${ bar }` - // must still be emitted as - // "" + foo + bar - // There is always atleast one templateSpan in this code path, since - // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() - ts.Debug.assert(node.templateSpans.length !== 0); - return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; - } - function templateNeedsParens(template, parent) { - switch (parent.kind) { - case 171 /* CallExpression */: - case 172 /* NewExpression */: - return parent.expression === template; - case 173 /* TaggedTemplateExpression */: - case 175 /* ParenthesizedExpression */: - return false; - default: - return comparePrecedenceToBinaryPlus(parent) !== -1 /* LessThan */; - } - } - /** - * Returns whether the expression has lesser, greater, - * or equal precedence to the binary '+' operator - */ - function comparePrecedenceToBinaryPlus(expression) { - // All binary expressions have lower precedence than '+' apart from '*', '/', and '%' - // which have greater precedence and '-' which has equal precedence. - // All unary operators have a higher precedence apart from yield. - // Arrow functions and conditionals have a lower precedence, - // although we convert the former into regular function expressions in ES5 mode, - // and in ES6 mode this function won't get called anyway. - // - // TODO (drosen): Note that we need to account for the upcoming 'yield' and - // spread ('...') unary operators that are anticipated for ES6. - switch (expression.kind) { - case 184 /* BinaryExpression */: - switch (expression.operatorToken.kind) { - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - return 1 /* GreaterThan */; - case 35 /* PlusToken */: - case 36 /* MinusToken */: - return 0 /* EqualTo */; - default: - return -1 /* LessThan */; - } - case 187 /* YieldExpression */: - case 185 /* ConditionalExpression */: - return -1 /* LessThan */; - default: - return 1 /* GreaterThan */; - } - } - } - function emitTemplateSpan(span) { - emit(span.expression); - emit(span.literal); - } - function jsxEmitReact(node) { - /// Emit a tag name, which is either '"div"' for lower-cased names, or - /// 'Div' for upper-cased or dotted names - function emitTagName(name) { - if (name.kind === 69 /* Identifier */ && ts.isIntrinsicJsxName(name.text)) { - write("\""); - emit(name); - write("\""); - } - else { - emit(name); - } - } - /// Emit an attribute name, which is quoted if it needs to be quoted. Because - /// these emit into an object literal property name, we don't need to be worried - /// about keywords, just non-identifier characters - function emitAttributeName(name) { - if (/^[A-Za-z_]\w*$/.test(name.text)) { - emit(name); - } - else { - write("\""); - emit(name); - write("\""); - } - } - /// Emit an name/value pair for an attribute (e.g. "x: 3") - function emitJsxAttribute(node) { - emitAttributeName(node.name); - write(": "); - if (node.initializer) { - emit(node.initializer); - } - else { - write("true"); - } - } - function emitJsxElement(openingNode, children) { - var syntheticReactRef = ts.createSynthesizedNode(69 /* Identifier */); - syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; - syntheticReactRef.parent = openingNode; - // Call React.createElement(tag, ... - emitLeadingComments(openingNode); - emitExpressionIdentifier(syntheticReactRef); - write(".createElement("); - emitTagName(openingNode.tagName); - write(", "); - // Attribute list - if (openingNode.attributes.length === 0) { - // When there are no attributes, React wants "null" - write("null"); - } - else { - // Either emit one big object literal (no spread attribs), or - // a call to React.__spread - var attrs = openingNode.attributes; - if (ts.forEach(attrs, function (attr) { return attr.kind === 242 /* JsxSpreadAttribute */; })) { - emitExpressionIdentifier(syntheticReactRef); - write(".__spread("); - var haveOpenedObjectLiteral = false; - for (var i = 0; i < attrs.length; i++) { - if (attrs[i].kind === 242 /* JsxSpreadAttribute */) { - // If this is the first argument, we need to emit a {} as the first argument - if (i === 0) { - write("{}, "); - } - if (haveOpenedObjectLiteral) { - write("}"); - haveOpenedObjectLiteral = false; - } - if (i > 0) { - write(", "); - } - emit(attrs[i].expression); - } - else { - ts.Debug.assert(attrs[i].kind === 241 /* JsxAttribute */); - if (haveOpenedObjectLiteral) { - write(", "); - } - else { - haveOpenedObjectLiteral = true; - if (i > 0) { - write(", "); - } - write("{"); - } - emitJsxAttribute(attrs[i]); - } - } - if (haveOpenedObjectLiteral) - write("}"); - write(")"); // closing paren to React.__spread( - } - else { - // One object literal with all the attributes in them - write("{"); - for (var i = 0, n = attrs.length; i < n; i++) { - if (i > 0) { - write(", "); - } - emitJsxAttribute(attrs[i]); - } - write("}"); - } - } - // Children - if (children) { - for (var i = 0; i < children.length; i++) { - // Don't emit empty expressions - if (children[i].kind === 243 /* JsxExpression */ && !(children[i].expression)) { - continue; - } - // Don't emit empty strings - if (children[i].kind === 239 /* JsxText */) { - var text = getTextToEmit(children[i]); - if (text !== undefined) { - write(", \""); - write(text); - write("\""); - } - } - else { - write(", "); - emit(children[i]); - } - } - } - // Closing paren - write(")"); // closes "React.createElement(" - emitTrailingComments(openingNode); - } - if (node.kind === 236 /* JsxElement */) { - emitJsxElement(node.openingElement, node.children); - } - else { - ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); - emitJsxElement(node); - } - } - function jsxEmitPreserve(node) { - function emitJsxAttribute(node) { - emit(node.name); - if (node.initializer) { - write("="); - emit(node.initializer); - } - } - function emitJsxSpreadAttribute(node) { - write("{..."); - emit(node.expression); - write("}"); - } - function emitAttributes(attribs) { - for (var i = 0, n = attribs.length; i < n; i++) { - if (i > 0) { - write(" "); - } - if (attribs[i].kind === 242 /* JsxSpreadAttribute */) { - emitJsxSpreadAttribute(attribs[i]); - } - else { - ts.Debug.assert(attribs[i].kind === 241 /* JsxAttribute */); - emitJsxAttribute(attribs[i]); - } - } - } - function emitJsxOpeningOrSelfClosingElement(node) { - write("<"); - emit(node.tagName); - if (node.attributes.length > 0 || (node.kind === 237 /* JsxSelfClosingElement */)) { - write(" "); - } - emitAttributes(node.attributes); - if (node.kind === 237 /* JsxSelfClosingElement */) { - write("/>"); - } - else { - write(">"); - } - } - function emitJsxClosingElement(node) { - write(""); - } - function emitJsxElement(node) { - emitJsxOpeningOrSelfClosingElement(node.openingElement); - for (var i = 0, n = node.children.length; i < n; i++) { - emit(node.children[i]); - } - emitJsxClosingElement(node.closingElement); - } - if (node.kind === 236 /* JsxElement */) { - emitJsxElement(node); - } - else { - ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); - emitJsxOpeningOrSelfClosingElement(node); - } - } - // This function specifically handles numeric/string literals for enum and accessor 'identifiers'. - // In a sense, it does not actually emit identifiers as much as it declares a name for a specific property. - // For example, this is utilized when feeding in a result to Object.defineProperty. - function emitExpressionForPropertyName(node) { - ts.Debug.assert(node.kind !== 166 /* BindingElement */); - if (node.kind === 9 /* StringLiteral */) { - emitLiteral(node); - } - else if (node.kind === 137 /* ComputedPropertyName */) { - // if this is a decorated computed property, we will need to capture the result - // of the property expression so that we can apply decorators later. This is to ensure - // we don't introduce unintended side effects: - // - // class C { - // [_a = x]() { } - // } - // - // The emit for the decorated computed property decorator is: - // - // __decorate([dec], C.prototype, _a, Object.getOwnPropertyDescriptor(C.prototype, _a)); - // - if (ts.nodeIsDecorated(node.parent)) { - if (!computedPropertyNamesToGeneratedNames) { - computedPropertyNamesToGeneratedNames = []; - } - var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; - if (generatedName) { - // we have already generated a variable for this node, write that value instead. - write(generatedName); - return; - } - generatedName = createAndRecordTempVariable(0 /* Auto */).text; - computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; - write(generatedName); - write(" = "); - } - emit(node.expression); - } - else { - write("\""); - if (node.kind === 8 /* NumericLiteral */) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - write("\""); - } - } - function isExpressionIdentifier(node) { - var parent = node.parent; - switch (parent.kind) { - case 167 /* ArrayLiteralExpression */: - case 192 /* AsExpression */: - case 184 /* BinaryExpression */: - case 171 /* CallExpression */: - case 244 /* CaseClause */: - case 137 /* ComputedPropertyName */: - case 185 /* ConditionalExpression */: - case 140 /* Decorator */: - case 178 /* DeleteExpression */: - case 200 /* DoStatement */: - case 170 /* ElementAccessExpression */: - case 230 /* ExportAssignment */: - case 198 /* ExpressionStatement */: - case 191 /* ExpressionWithTypeArguments */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 199 /* IfStatement */: - case 240 /* JsxClosingElement */: - case 237 /* JsxSelfClosingElement */: - case 238 /* JsxOpeningElement */: - case 242 /* JsxSpreadAttribute */: - case 243 /* JsxExpression */: - case 172 /* NewExpression */: - case 175 /* ParenthesizedExpression */: - case 183 /* PostfixUnaryExpression */: - case 182 /* PrefixUnaryExpression */: - case 207 /* ReturnStatement */: - case 249 /* ShorthandPropertyAssignment */: - case 188 /* SpreadElementExpression */: - case 209 /* SwitchStatement */: - case 173 /* TaggedTemplateExpression */: - case 193 /* TemplateSpan */: - case 211 /* ThrowStatement */: - case 174 /* TypeAssertionExpression */: - case 179 /* TypeOfExpression */: - case 180 /* VoidExpression */: - case 201 /* WhileStatement */: - case 208 /* WithStatement */: - case 187 /* YieldExpression */: - return true; - case 166 /* BindingElement */: - case 250 /* EnumMember */: - case 139 /* Parameter */: - case 248 /* PropertyAssignment */: - case 142 /* PropertyDeclaration */: - case 214 /* VariableDeclaration */: - return parent.initializer === node; - case 169 /* PropertyAccessExpression */: - return parent.expression === node; - case 177 /* ArrowFunction */: - case 176 /* FunctionExpression */: - return parent.body === node; - case 224 /* ImportEqualsDeclaration */: - return parent.moduleReference === node; - case 136 /* QualifiedName */: - return parent.left === node; - } - return false; - } - function emitExpressionIdentifier(node) { - var container = resolver.getReferencedExportContainer(node); - if (container) { - if (container.kind === 251 /* SourceFile */) { - // Identifier references module export - if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { - write("exports."); - } - } - else { - // Identifier references namespace export - write(getGeneratedNameForNode(container)); - write("."); - } - } - else { - if (modulekind !== 5 /* ES6 */) { - var declaration = resolver.getReferencedImportDeclaration(node); - if (declaration) { - if (declaration.kind === 226 /* ImportClause */) { - // Identifier references default import - write(getGeneratedNameForNode(declaration.parent)); - write(languageVersion === 0 /* ES3 */ ? "[\"default\"]" : ".default"); - return; - } - else if (declaration.kind === 229 /* ImportSpecifier */) { - // Identifier references named import - write(getGeneratedNameForNode(declaration.parent.parent.parent)); - var name_24 = declaration.propertyName || declaration.name; - var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); - if (languageVersion === 0 /* ES3 */ && identifier === "default") { - write("[\"default\"]"); - } - else { - write("."); - write(identifier); - } - return; - } - } - } - if (languageVersion < 2 /* ES6 */) { - var declaration = resolver.getReferencedDeclarationWithCollidingName(node); - if (declaration) { - write(getGeneratedNameForNode(declaration.name)); - return; - } - } - else if (resolver.getNodeCheckFlags(node) & 1048576 /* BodyScopedClassBinding */) { - // Due to the emit for class decorators, any reference to the class from inside of the class body - // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind - // behavior of class names in ES6. - var declaration = resolver.getReferencedValueDeclaration(node); - if (declaration) { - var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; - if (classAlias !== undefined) { - write(classAlias); - return; - } - } - } - } - if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { - if (languageVersion < 2 /* ES6 */) { - var parent_8 = node.parent; - switch (parent_8.kind) { - case 166 /* BindingElement */: - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 214 /* VariableDeclaration */: - return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); - } - } - return false; - } - function emitIdentifier(node) { - if (convertedLoopState) { - if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { - // in converted loop body arguments cannot be used directly. - var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); - write(name_25); - return; - } - } - if (!node.parent) { - write(node.text); - } - else if (isExpressionIdentifier(node)) { - emitExpressionIdentifier(node); - } - else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { - write(getGeneratedNameForNode(node)); - } - else if (ts.nodeIsSynthesized(node)) { - write(node.text); - } - else { - writeTextOfNode(currentText, node); - } - } - function emitThis(node) { - if (resolver.getNodeCheckFlags(node) & 2 /* LexicalThis */) { - write("_this"); - } - else if (convertedLoopState) { - write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); - } - else { - write("this"); - } - } - function emitSuper(node) { - if (languageVersion >= 2 /* ES6 */) { - write("super"); - } - else { - var flags = resolver.getNodeCheckFlags(node); - if (flags & 256 /* SuperInstance */) { - write("_super.prototype"); - } - else { - write("_super"); - } - } - } - function emitObjectBindingPattern(node) { - write("{ "); - var elements = node.elements; - emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); - write(" }"); - } - function emitArrayBindingPattern(node) { - write("["); - var elements = node.elements; - emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); - write("]"); - } - function emitBindingElement(node) { - if (node.propertyName) { - emit(node.propertyName); - write(": "); - } - if (node.dotDotDotToken) { - write("..."); - } - if (ts.isBindingPattern(node.name)) { - emit(node.name); - } - else { - emitModuleMemberName(node); - } - emitOptional(" = ", node.initializer); - } - function emitSpreadElementExpression(node) { - write("..."); - emit(node.expression); - } - function emitYieldExpression(node) { - write(ts.tokenToString(114 /* YieldKeyword */)); - if (node.asteriskToken) { - write("*"); - } - if (node.expression) { - write(" "); - emit(node.expression); - } - } - function emitAwaitExpression(node) { - var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); - if (needsParenthesis) { - write("("); - } - write(ts.tokenToString(114 /* YieldKeyword */)); - write(" "); - emit(node.expression); - if (needsParenthesis) { - write(")"); - } - } - function needsParenthesisForAwaitExpressionAsYield(node) { - if (node.parent.kind === 184 /* BinaryExpression */ && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { - return true; - } - else if (node.parent.kind === 185 /* ConditionalExpression */ && node.parent.condition === node) { - return true; - } - return false; - } - function needsParenthesisForPropertyAccessOrInvocation(node) { - switch (node.kind) { - case 69 /* Identifier */: - case 167 /* ArrayLiteralExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - case 171 /* CallExpression */: - case 175 /* ParenthesizedExpression */: - // This list is not exhaustive and only includes those cases that are relevant - // to the check in emitArrayLiteral. More cases can be added as needed. - return false; - } - return true; - } - function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { - var pos = 0; - var group = 0; - var length = elements.length; - while (pos < length) { - // Emit using the pattern .concat(, , ...) - if (group === 1 && useConcat) { - write(".concat("); - } - else if (group > 0) { - write(", "); - } - var e = elements[pos]; - if (e.kind === 188 /* SpreadElementExpression */) { - e = e.expression; - emitParenthesizedIf(e, /*parenthesized*/ group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); - pos++; - if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167 /* ArrayLiteralExpression */) { - write(".slice()"); - } - } - else { - var i = pos; - while (i < length && elements[i].kind !== 188 /* SpreadElementExpression */) { - i++; - } - write("["); - if (multiLine) { - increaseIndent(); - } - emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); - if (multiLine) { - decreaseIndent(); - } - write("]"); - pos = i; - } - group++; - } - if (group > 1) { - if (useConcat) { - write(")"); - } - } - } - function isSpreadElementExpression(node) { - return node.kind === 188 /* SpreadElementExpression */; - } - function emitArrayLiteral(node) { - var elements = node.elements; - if (elements.length === 0) { - write("[]"); - } - else if (languageVersion >= 2 /* ES6 */ || !ts.forEach(elements, isSpreadElementExpression)) { - write("["); - emitLinePreservingList(node, node.elements, elements.hasTrailingComma, /*spacesBetweenBraces*/ false); - write("]"); - } - else { - emitListWithSpread(elements, /*needsUniqueCopy*/ true, /*multiLine*/ (node.flags & 1024 /* MultiLine */) !== 0, - /*trailingComma*/ elements.hasTrailingComma, /*useConcat*/ true); - } - } - function emitObjectLiteralBody(node, numElements) { - if (numElements === 0) { - write("{}"); - return; - } - write("{"); - if (numElements > 0) { - var properties = node.properties; - // If we are not doing a downlevel transformation for object literals, - // then try to preserve the original shape of the object literal. - // Otherwise just try to preserve the formatting. - if (numElements === properties.length) { - emitLinePreservingList(node, properties, /*allowTrailingComma*/ languageVersion >= 1 /* ES5 */, /*spacesBetweenBraces*/ true); - } - else { - var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; - if (!multiLine) { - write(" "); - } - else { - increaseIndent(); - } - emitList(properties, 0, numElements, /*multiLine*/ multiLine, /*trailingComma*/ false); - if (!multiLine) { - write(" "); - } - else { - decreaseIndent(); - } - } - } - write("}"); - } - function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { - var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; - var properties = node.properties; - write("("); - if (multiLine) { - increaseIndent(); - } - // For computed properties, we need to create a unique handle to the object - // literal so we can modify it without risking internal assignments tainting the object. - var tempVar = createAndRecordTempVariable(0 /* Auto */); - // Write out the first non-computed properties - // (or all properties if none of them are computed), - // then emit the rest through indexing on the temp variable. - emit(tempVar); - write(" = "); - emitObjectLiteralBody(node, firstComputedPropertyIndex); - for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { - writeComma(); - var property = properties[i]; - emitStart(property); - if (property.kind === 146 /* GetAccessor */ || property.kind === 147 /* SetAccessor */) { - // TODO (drosen): Reconcile with 'emitMemberFunctions'. - var accessors = ts.getAllAccessorDeclarations(node.properties, property); - if (property !== accessors.firstAccessor) { - continue; - } - write("Object.defineProperty("); - emit(tempVar); - write(", "); - emitStart(node.name); - emitExpressionForPropertyName(property.name); - emitEnd(property.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("})"); - emitEnd(property); - } - else { - emitLeadingComments(property); - emitStart(property.name); - emit(tempVar); - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - if (property.kind === 248 /* PropertyAssignment */) { - emit(property.initializer); - } - else if (property.kind === 249 /* ShorthandPropertyAssignment */) { - emitExpressionIdentifier(property.name); - } - else if (property.kind === 144 /* MethodDeclaration */) { - emitFunctionDeclaration(property); - } - else { - ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); - } - } - emitEnd(property); - } - writeComma(); - emit(tempVar); - if (multiLine) { - decreaseIndent(); - writeLine(); - } - write(")"); - function writeComma() { - if (multiLine) { - write(","); - writeLine(); - } - else { - write(", "); - } - } - } - function emitObjectLiteral(node) { - var properties = node.properties; - if (languageVersion < 2 /* ES6 */) { - var numProperties = properties.length; - // Find the first computed property. - // Everything until that point can be emitted as part of the initial object literal. - var numInitialNonComputedProperties = numProperties; - for (var i = 0, n = properties.length; i < n; i++) { - if (properties[i].name.kind === 137 /* ComputedPropertyName */) { - numInitialNonComputedProperties = i; - break; - } - } - var hasComputedProperty = numInitialNonComputedProperties !== properties.length; - if (hasComputedProperty) { - emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); - return; - } - } - // Ordinary case: either the object has no computed properties - // or we're compiling with an ES6+ target. - emitObjectLiteralBody(node, properties.length); - } - function createBinaryExpression(left, operator, right, startsOnNewLine) { - var result = ts.createSynthesizedNode(184 /* BinaryExpression */, startsOnNewLine); - result.operatorToken = ts.createSynthesizedNode(operator); - result.left = left; - result.right = right; - return result; - } - function createPropertyAccessExpression(expression, name) { - var result = ts.createSynthesizedNode(169 /* PropertyAccessExpression */); - result.expression = parenthesizeForAccess(expression); - result.dotToken = ts.createSynthesizedNode(21 /* DotToken */); - result.name = name; - return result; - } - function createElementAccessExpression(expression, argumentExpression) { - var result = ts.createSynthesizedNode(170 /* ElementAccessExpression */); - result.expression = parenthesizeForAccess(expression); - result.argumentExpression = argumentExpression; - return result; - } - function parenthesizeForAccess(expr) { - // When diagnosing whether the expression needs parentheses, the decision should be based - // on the innermost expression in a chain of nested type assertions. - while (expr.kind === 174 /* TypeAssertionExpression */ || expr.kind === 192 /* AsExpression */) { - expr = expr.expression; - } - // isLeftHandSideExpression is almost the correct criterion for when it is not necessary - // to parenthesize the expression before a dot. The known exceptions are: - // - // NewExpression: - // new C.x -> not the same as (new C).x - // NumberLiteral - // 1.x -> not the same as (1).x - // - if (ts.isLeftHandSideExpression(expr) && - expr.kind !== 172 /* NewExpression */ && - expr.kind !== 8 /* NumericLiteral */) { - return expr; - } - var node = ts.createSynthesizedNode(175 /* ParenthesizedExpression */); - node.expression = expr; - return node; - } - function emitComputedPropertyName(node) { - write("["); - emitExpressionForPropertyName(node); - write("]"); - } - function emitMethod(node) { - if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { - write("*"); - } - emit(node.name); - if (languageVersion < 2 /* ES6 */) { - write(": function "); - } - emitSignatureAndBody(node); - } - function emitPropertyAssignment(node) { - emit(node.name); - write(": "); - // This is to ensure that we emit comment in the following case: - // For example: - // obj = { - // id: /*comment1*/ ()=>void - // } - // "comment1" is not considered to be leading comment for node.initializer - // but rather a trailing comment on the previous node. - emitTrailingCommentsOfPosition(node.initializer.pos); - emit(node.initializer); - } - // Return true if identifier resolves to an exported member of a namespace - function isNamespaceExportReference(node) { - var container = resolver.getReferencedExportContainer(node); - return container && container.kind !== 251 /* SourceFile */; - } - function emitShorthandPropertyAssignment(node) { - // The name property of a short-hand property assignment is considered an expression position, so here - // we manually emit the identifier to avoid rewriting. - writeTextOfNode(currentText, node.name); - // If emitting pre-ES6 code, or if the name requires rewriting when resolved as an expression identifier, - // we emit a normal property assignment. For example: - // module m { - // export let y; - // } - // module m { - // let obj = { y }; - // } - // Here we need to emit obj = { y : m.y } regardless of the output target. - if (modulekind !== 5 /* ES6 */ || isNamespaceExportReference(node.name)) { - // Emit identifier as an identifier - write(": "); - emit(node.name); - } - if (languageVersion >= 2 /* ES6 */ && node.objectAssignmentInitializer) { - write(" = "); - emit(node.objectAssignmentInitializer); - } - } - function tryEmitConstantValue(node) { - var constantValue = tryGetConstEnumValue(node); - if (constantValue !== undefined) { - write(constantValue.toString()); - if (!compilerOptions.removeComments) { - var propertyName = node.kind === 169 /* PropertyAccessExpression */ ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); - write(" /* " + propertyName + " */"); - } - return true; - } - return false; - } - function tryGetConstEnumValue(node) { - if (compilerOptions.isolatedModules) { - return undefined; - } - return node.kind === 169 /* PropertyAccessExpression */ || node.kind === 170 /* ElementAccessExpression */ - ? resolver.getConstantValue(node) - : undefined; - } - // Returns 'true' if the code was actually indented, false otherwise. - // If the code is not indented, an optional valueToWriteWhenNotIndenting will be - // emitted instead. - function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { - var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); - // Always use a newline for synthesized code if the synthesizer desires it. - var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); - if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { - increaseIndent(); - writeLine(); - return true; - } - else { - if (valueToWriteWhenNotIndenting) { - write(valueToWriteWhenNotIndenting); - } - return false; - } - } - function emitPropertyAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 /* ES6 */ && - node.expression.kind === 95 /* SuperKeyword */ && - isInAsyncMethodWithSuperInES6(node)) { - var name_26 = ts.createSynthesizedNode(9 /* StringLiteral */); - name_26.text = node.name.text; - emitSuperAccessInAsyncMethod(node.expression, name_26); - return; - } - emit(node.expression); - var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); - // 1 .toString is a valid property access, emit a space after the literal - // Also emit a space if expression is a integer const enum value - it will appear in generated code as numeric literal - var shouldEmitSpace = false; - if (!indentedBeforeDot) { - if (node.expression.kind === 8 /* NumericLiteral */) { - // check if numeric literal was originally written with a dot - var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); - shouldEmitSpace = text.indexOf(ts.tokenToString(21 /* DotToken */)) < 0; - } - else { - // check if constant enum value is integer - var constantValue = tryGetConstEnumValue(node.expression); - // isFinite handles cases when constantValue is undefined - shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; - } - } - if (shouldEmitSpace) { - write(" ."); - } - else { - write("."); - } - var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); - emit(node.name); - decreaseIndentIf(indentedBeforeDot, indentedAfterDot); - } - function emitQualifiedName(node) { - emit(node.left); - write("."); - emit(node.right); - } - function emitQualifiedNameAsExpression(node, useFallback) { - if (node.left.kind === 69 /* Identifier */) { - emitEntityNameAsExpression(node.left, useFallback); - } - else if (useFallback) { - var temp = createAndRecordTempVariable(0 /* Auto */); - write("("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(node.left, /*useFallback*/ true); - write(") && "); - emitNodeWithoutSourceMap(temp); - } - else { - emitEntityNameAsExpression(node.left, /*useFallback*/ false); - } - write("."); - emit(node.right); - } - function emitEntityNameAsExpression(node, useFallback) { - switch (node.kind) { - case 69 /* Identifier */: - if (useFallback) { - write("typeof "); - emitExpressionIdentifier(node); - write(" !== 'undefined' && "); - } - emitExpressionIdentifier(node); - break; - case 136 /* QualifiedName */: - emitQualifiedNameAsExpression(node, useFallback); - break; - default: - emitNodeWithoutSourceMap(node); - break; - } - } - function emitIndexedAccess(node) { - if (tryEmitConstantValue(node)) { - return; - } - if (languageVersion === 2 /* ES6 */ && - node.expression.kind === 95 /* SuperKeyword */ && - isInAsyncMethodWithSuperInES6(node)) { - emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); - return; - } - emit(node.expression); - write("["); - emit(node.argumentExpression); - write("]"); - } - function hasSpreadElement(elements) { - return ts.forEach(elements, function (e) { return e.kind === 188 /* SpreadElementExpression */; }); - } - function skipParentheses(node) { - while (node.kind === 175 /* ParenthesizedExpression */ || node.kind === 174 /* TypeAssertionExpression */ || node.kind === 192 /* AsExpression */) { - node = node.expression; - } - return node; - } - function emitCallTarget(node) { - if (node.kind === 69 /* Identifier */ || node.kind === 97 /* ThisKeyword */ || node.kind === 95 /* SuperKeyword */) { - emit(node); - return node; - } - var temp = createAndRecordTempVariable(0 /* Auto */); - write("("); - emit(temp); - write(" = "); - emit(node); - write(")"); - return temp; - } - function emitCallWithSpread(node) { - var target; - var expr = skipParentheses(node.expression); - if (expr.kind === 169 /* PropertyAccessExpression */) { - // Target will be emitted as "this" argument - target = emitCallTarget(expr.expression); - write("."); - emit(expr.name); - } - else if (expr.kind === 170 /* ElementAccessExpression */) { - // Target will be emitted as "this" argument - target = emitCallTarget(expr.expression); - write("["); - emit(expr.argumentExpression); - write("]"); - } - else if (expr.kind === 95 /* SuperKeyword */) { - target = expr; - write("_super"); - } - else { - emit(node.expression); - } - write(".apply("); - if (target) { - if (target.kind === 95 /* SuperKeyword */) { - // Calls of form super(...) and super.foo(...) - emitThis(target); - } - else { - // Calls of form obj.foo(...) - emit(target); - } - } - else { - // Calls of form foo(...) - write("void 0"); - } - write(", "); - emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ true); - write(")"); - } - function isInAsyncMethodWithSuperInES6(node) { - if (languageVersion === 2 /* ES6 */) { - var container = ts.getSuperContainer(node, /*includeFunctions*/ false); - if (container && resolver.getNodeCheckFlags(container) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */)) { - return true; - } - } - return false; - } - function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { - var container = ts.getSuperContainer(superNode, /*includeFunctions*/ false); - var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096 /* AsyncMethodWithSuperBinding */; - write("_super("); - emit(argumentExpression); - write(isSuperBinding ? ").value" : ")"); - } - function emitCallExpression(node) { - if (languageVersion < 2 /* ES6 */ && hasSpreadElement(node.arguments)) { - emitCallWithSpread(node); - return; - } - var expression = node.expression; - var superCall = false; - var isAsyncMethodWithSuper = false; - if (expression.kind === 95 /* SuperKeyword */) { - emitSuper(expression); - superCall = true; - } - else { - superCall = ts.isSuperPropertyOrElementAccess(expression); - isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); - emit(expression); - } - if (superCall && (languageVersion < 2 /* ES6 */ || isAsyncMethodWithSuper)) { - write(".call("); - emitThis(expression); - if (node.arguments.length) { - write(", "); - emitCommaList(node.arguments); - } - write(")"); - } - else { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - function emitNewExpression(node) { - write("new "); - // Spread operator logic is supported in new expressions in ES5 using a combination - // of Function.prototype.bind() and Function.prototype.apply(). - // - // Example: - // - // var args = [1, 2, 3, 4, 5]; - // new Array(...args); - // - // is compiled into the following ES5: - // - // var args = [1, 2, 3, 4, 5]; - // new (Array.bind.apply(Array, [void 0].concat(args))); - // - // The 'thisArg' to 'bind' is ignored when invoking the result of 'bind' with 'new', - // Thus, we set it to undefined ('void 0'). - if (languageVersion === 1 /* ES5 */ && - node.arguments && - hasSpreadElement(node.arguments)) { - write("("); - var target = emitCallTarget(node.expression); - write(".bind.apply("); - emit(target); - write(", [void 0].concat("); - emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ false); - write(")))"); - write("()"); - } - else { - emit(node.expression); - if (node.arguments) { - write("("); - emitCommaList(node.arguments); - write(")"); - } - } - } - function emitTaggedTemplateExpression(node) { - if (languageVersion >= 2 /* ES6 */) { - emit(node.tag); - write(" "); - emit(node.template); - } - else { - emitDownlevelTaggedTemplate(node); - } - } - function emitParenExpression(node) { - // If the node is synthesized, it means the emitter put the parentheses there, - // not the user. If we didn't want them, the emitter would not have put them - // there. - if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177 /* ArrowFunction */) { - if (node.expression.kind === 174 /* TypeAssertionExpression */ || node.expression.kind === 192 /* AsExpression */) { - var operand = node.expression.expression; - // Make sure we consider all nested cast expressions, e.g.: - // (-A).x; - while (operand.kind === 174 /* TypeAssertionExpression */ || operand.kind === 192 /* AsExpression */) { - operand = operand.expression; - } - // We have an expression of the form: (SubExpr) - // Emitting this as (SubExpr) is really not desirable. We would like to emit the subexpr as is. - // Omitting the parentheses, however, could cause change in the semantics of the generated - // code if the casted expression has a lower precedence than the rest of the expression, e.g.: - // (new A).foo should be emitted as (new A).foo and not new A.foo - // (typeof A).toString() should be emitted as (typeof A).toString() and not typeof A.toString() - // new (A()) should be emitted as new (A()) and not new A() - // (function foo() { })() should be emitted as an IIF (function foo(){})() and not declaration function foo(){} () - if (operand.kind !== 182 /* PrefixUnaryExpression */ && - operand.kind !== 180 /* VoidExpression */ && - operand.kind !== 179 /* TypeOfExpression */ && - operand.kind !== 178 /* DeleteExpression */ && - operand.kind !== 183 /* PostfixUnaryExpression */ && - operand.kind !== 172 /* NewExpression */ && - !(operand.kind === 171 /* CallExpression */ && node.parent.kind === 172 /* NewExpression */) && - !(operand.kind === 176 /* FunctionExpression */ && node.parent.kind === 171 /* CallExpression */) && - !(operand.kind === 8 /* NumericLiteral */ && node.parent.kind === 169 /* PropertyAccessExpression */)) { - emit(operand); - return; - } - } - } - write("("); - emit(node.expression); - write(")"); - } - function emitDeleteExpression(node) { - write(ts.tokenToString(78 /* DeleteKeyword */)); - write(" "); - emit(node.expression); - } - function emitVoidExpression(node) { - write(ts.tokenToString(103 /* VoidKeyword */)); - write(" "); - emit(node.expression); - } - function emitTypeOfExpression(node) { - write(ts.tokenToString(101 /* TypeOfKeyword */)); - write(" "); - emit(node.expression); - } - function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { - if (!isCurrentFileSystemExternalModule() || node.kind !== 69 /* Identifier */ || ts.nodeIsSynthesized(node)) { - return false; - } - var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 /* VariableDeclaration */ || node.parent.kind === 166 /* BindingElement */); - var targetDeclaration = isVariableDeclarationOrBindingElement - ? node.parent - : resolver.getReferencedValueDeclaration(node); - return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, /*isExported*/ true); - } - function emitPrefixUnaryExpression(node) { - var exportChanged = (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - // emit - // ++x - // as - // exports('x', ++x) - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - } - write(ts.tokenToString(node.operator)); - // In some cases, we need to emit a space between the operator and the operand. One obvious case - // is when the operator is an identifier, like delete or typeof. We also need to do this for plus - // and minus expressions in certain cases. Specifically, consider the following two cases (parens - // are just for clarity of exposition, and not part of the source code): - // - // (+(+1)) - // (+(++1)) - // - // We need to emit a space in both cases. In the first case, the absence of a space will make - // the resulting expression a prefix increment operation. And in the second, it will make the resulting - // expression a prefix increment whose operand is a plus expression - (++(+x)) - // The same is true of minus of course. - if (node.operand.kind === 182 /* PrefixUnaryExpression */) { - var operand = node.operand; - if (node.operator === 35 /* PlusToken */ && (operand.operator === 35 /* PlusToken */ || operand.operator === 41 /* PlusPlusToken */)) { - write(" "); - } - else if (node.operator === 36 /* MinusToken */ && (operand.operator === 36 /* MinusToken */ || operand.operator === 42 /* MinusMinusToken */)) { - write(" "); - } - } - emit(node.operand); - if (exportChanged) { - write(")"); - } - } - function emitPostfixUnaryExpression(node) { - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); - if (exportChanged) { - // export function returns the value that was passes as the second argument - // however for postfix unary expressions result value should be the value before modification. - // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' - write("(" + exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.operand); - write("\", "); - write(ts.tokenToString(node.operator)); - emit(node.operand); - if (node.operator === 41 /* PlusPlusToken */) { - write(") - 1)"); - } - else { - write(") + 1)"); - } - } - else { - emit(node.operand); - write(ts.tokenToString(node.operator)); - } - } - function shouldHoistDeclarationInSystemJsModule(node) { - return isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ false); - } - /* - * Checks if given node is a source file level declaration (not nested in module/function). - * If 'isExported' is true - then declaration must also be exported. - * This function is used in two cases: - * - check if node is a exported source file level value to determine - * if we should also export the value after its it changed - * - check if node is a source level declaration to emit it differently, - * i.e non-exported variable statement 'var x = 1' is hoisted so - * we we emit variable statement 'var' should be dropped. - */ - function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { - if (!node || !isCurrentFileSystemExternalModule()) { - return false; - } - var current = ts.getRootDeclaration(node).parent; - while (current) { - if (current.kind === 251 /* SourceFile */) { - return !isExported || ((ts.getCombinedNodeFlags(node) & 2 /* Export */) !== 0); - } - else if (ts.isDeclaration(current)) { - return false; - } - else { - current = current.parent; - } - } - } - /** - * Emit ES7 exponentiation operator downlevel using Math.pow - * @param node a binary expression node containing exponentiationOperator (**, **=) - */ - function emitExponentiationOperator(node) { - var leftHandSideExpression = node.left; - if (node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { - var synthesizedLHS = void 0; - var shouldEmitParentheses = false; - if (ts.isElementAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(170 /* ElementAccessExpression */, /*startsOnNewLine*/ false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); - synthesizedLHS.expression = identifier; - if (leftHandSideExpression.argumentExpression.kind !== 8 /* NumericLiteral */ && - leftHandSideExpression.argumentExpression.kind !== 9 /* StringLiteral */) { - var tempArgumentExpression = createAndRecordTempVariable(268435456 /* _i */); - synthesizedLHS.argumentExpression = tempArgumentExpression; - emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, /*shouldEmitCommaBeforeAssignment*/ true, leftHandSideExpression.expression); - } - else { - synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; - } - write(", "); - } - else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { - shouldEmitParentheses = true; - write("("); - synthesizedLHS = ts.createSynthesizedNode(169 /* PropertyAccessExpression */, /*startsOnNewLine*/ false); - var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); - synthesizedLHS.expression = identifier; - synthesizedLHS.dotToken = leftHandSideExpression.dotToken; - synthesizedLHS.name = leftHandSideExpression.name; - write(", "); - } - emit(synthesizedLHS || leftHandSideExpression); - write(" = "); - write("Math.pow("); - emit(synthesizedLHS || leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - if (shouldEmitParentheses) { - write(")"); - } - } - else { - write("Math.pow("); - emit(leftHandSideExpression); - write(", "); - emit(node.right); - write(")"); - } - } - function emitBinaryExpression(node) { - if (languageVersion < 2 /* ES6 */ && node.operatorToken.kind === 56 /* EqualsToken */ && - (node.left.kind === 168 /* ObjectLiteralExpression */ || node.left.kind === 167 /* ArrayLiteralExpression */)) { - emitDestructuring(node, node.parent.kind === 198 /* ExpressionStatement */); - } - else { - var exportChanged = node.operatorToken.kind >= 56 /* FirstAssignment */ && - node.operatorToken.kind <= 68 /* LastAssignment */ && - isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); - if (exportChanged) { - // emit assignment 'x y' as 'exports("x", x y)' - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.left); - write("\", "); - } - if (node.operatorToken.kind === 38 /* AsteriskAsteriskToken */ || node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { - // Downleveled emit exponentiation operator using Math.pow - emitExponentiationOperator(node); - } - else { - emit(node.left); - // Add indentation before emit the operator if the operator is on different line - // For example: - // 3 - // + 2; - // emitted as - // 3 - // + 2; - var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 /* CommaToken */ ? " " : undefined); - write(ts.tokenToString(node.operatorToken.kind)); - var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); - emit(node.right); - decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); - } - if (exportChanged) { - write(")"); - } - } - } - function synthesizedNodeStartsOnNewLine(node) { - return ts.nodeIsSynthesized(node) && node.startsOnNewLine; - } - function emitConditionalExpression(node) { - emit(node.condition); - var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); - write("?"); - var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); - emit(node.whenTrue); - decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); - var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); - write(":"); - var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); - emit(node.whenFalse); - decreaseIndentIf(indentedBeforeColon, indentedAfterColon); - } - // Helper function to decrease the indent if we previously indented. Allows multiple - // previous indent values to be considered at a time. This also allows caller to just - // call this once, passing in all their appropriate indent values, instead of needing - // to call this helper function multiple times. - function decreaseIndentIf(value1, value2) { - if (value1) { - decreaseIndent(); - } - if (value2) { - decreaseIndent(); - } - } - function isSingleLineEmptyBlock(node) { - if (node && node.kind === 195 /* Block */) { - var block = node; - return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); - } - } - function emitBlock(node) { - if (isSingleLineEmptyBlock(node)) { - emitToken(15 /* OpenBraceToken */, node.pos); - write(" "); - emitToken(16 /* CloseBraceToken */, node.statements.end); - return; - } - emitToken(15 /* OpenBraceToken */, node.pos); - increaseIndent(); - if (node.kind === 222 /* ModuleBlock */) { - ts.Debug.assert(node.parent.kind === 221 /* ModuleDeclaration */); - emitCaptureThisForNodeIfNecessary(node.parent); - } - emitLines(node.statements); - if (node.kind === 222 /* ModuleBlock */) { - emitTempDeclarations(/*newLine*/ true); - } - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.statements.end); - } - function emitEmbeddedStatement(node) { - if (node.kind === 195 /* Block */) { - write(" "); - emit(node); - } - else { - increaseIndent(); - writeLine(); - emit(node); - decreaseIndent(); - } - } - function emitExpressionStatement(node) { - emitParenthesizedIf(node.expression, /*parenthesized*/ node.expression.kind === 177 /* ArrowFunction */); - write(";"); - } - function emitIfStatement(node) { - var endPos = emitToken(88 /* IfKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - emit(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - emitEmbeddedStatement(node.thenStatement); - if (node.elseStatement) { - writeLine(); - emitToken(80 /* ElseKeyword */, node.thenStatement.end); - if (node.elseStatement.kind === 199 /* IfStatement */) { - write(" "); - emit(node.elseStatement); - } - else { - emitEmbeddedStatement(node.elseStatement); - } - } - } - function emitDoStatement(node) { - emitLoop(node, emitDoStatementWorker); - } - function emitDoStatementWorker(node, loop) { - write("do"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - if (node.statement.kind === 195 /* Block */) { - write(" "); - } - else { - writeLine(); - } - write("while ("); - emit(node.expression); - write(");"); - } - function emitWhileStatement(node) { - emitLoop(node, emitWhileStatementWorker); - } - function emitWhileStatementWorker(node, loop) { - write("while ("); - emit(node.expression); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - /** - * Returns true if start of variable declaration list was emitted. - * Returns false if nothing was written - this can happen for source file level variable declarations - * in system modules where such variable declarations are hoisted. - */ - function tryEmitStartOfVariableDeclarationList(decl) { - if (shouldHoistVariable(decl, /*checkIfSourceFileLevelDecl*/ true)) { - // variables in variable declaration list were already hoisted - return false; - } - if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576 /* BlockScoped */) === 0) { - // we are inside a converted loop - this can only happen in downlevel scenarios - // record names for all variable declarations - for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { - var varDecl = _b[_a]; - hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); - } - return false; - } - emitStart(decl); - if (decl && languageVersion >= 2 /* ES6 */) { - if (ts.isLet(decl)) { - write("let "); - } - else if (ts.isConst(decl)) { - write("const "); - } - else { - write("var "); - } - } - else { - write("var "); - } - // Note here we specifically dont emit end so that if we are going to emit binding pattern - // we can alter the source map correctly - return true; - } - function emitVariableDeclarationListSkippingUninitializedEntries(list) { - var started = false; - for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { - var decl = _b[_a]; - if (!decl.initializer) { - continue; - } - if (!started) { - started = true; - } - else { - write(", "); - } - emit(decl); - } - return started; - } - function shouldConvertLoopBody(node) { - return languageVersion < 2 /* ES6 */ && - (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; - } - function emitLoop(node, loopEmitter) { - var shouldConvert = shouldConvertLoopBody(node); - if (!shouldConvert) { - loopEmitter(node, /* convertedLoop*/ undefined); - } - else { - var loop = convertLoopBody(node); - if (node.parent.kind === 210 /* LabeledStatement */) { - // if parent of the loop was labeled statement - attach the label to loop skipping converted loop body - emitLabelAndColon(node.parent); - } - loopEmitter(node, loop); - } - } - function convertLoopBody(node) { - var functionName = makeUniqueName("_loop"); - var loopInitializer; - switch (node.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - var initializer = node.initializer; - if (initializer && initializer.kind === 215 /* VariableDeclarationList */) { - loopInitializer = node.initializer; - } - break; - } - var loopParameters; - var loopOutParameters; - if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576 /* BlockScoped */)) { - // if loop initializer contains block scoped variables - they should be passed to converted loop body as parameters - loopParameters = []; - for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { - var varDeclaration = _b[_a]; - processVariableDeclaration(varDeclaration.name); - } - } - var bodyIsBlock = node.statement.kind === 195 /* Block */; - var paramList = loopParameters ? loopParameters.join(", ") : ""; - writeLine(); - write("var " + functionName + " = function(" + paramList + ")"); - var convertedOuterLoopState = convertedLoopState; - convertedLoopState = { loopOutParameters: loopOutParameters }; - if (convertedOuterLoopState) { - // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. - // if outer converted loop has already accumulated some state - pass it through - if (convertedOuterLoopState.argumentsName) { - // outer loop has already used 'arguments' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; - } - if (convertedOuterLoopState.thisName) { - // outer loop has already used 'this' so we've already have some name to alias it - // use the same name in all nested loops - convertedLoopState.thisName = convertedOuterLoopState.thisName; - } - if (convertedOuterLoopState.hoistedLocalVariables) { - // we've already collected some non-block scoped variable declarations in enclosing loop - // use the same storage in nested loop - convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; - } - } - write(" {"); - writeLine(); - increaseIndent(); - if (bodyIsBlock) { - emitLines(node.statement.statements); - } - else { - emit(node.statement); - } - writeLine(); - // end of loop body -> copy out parameter - copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ true); - decreaseIndent(); - writeLine(); - write("};"); - writeLine(); - if (loopOutParameters) { - // declare variables to hold out params for loop body - write("var "); - for (var i = 0; i < loopOutParameters.length; i++) { - if (i !== 0) { - write(", "); - } - write(loopOutParameters[i].outParamName); - } - write(";"); - writeLine(); - } - if (convertedLoopState.argumentsName) { - // if alias for arguments is set - if (convertedOuterLoopState) { - // pass it to outer converted loop - convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; - } - else { - // this is top level converted loop and we need to create an alias for 'arguments' object - write("var " + convertedLoopState.argumentsName + " = arguments;"); - writeLine(); - } - } - if (convertedLoopState.thisName) { - // if alias for this is set - if (convertedOuterLoopState) { - // pass it to outer converted loop - convertedOuterLoopState.thisName = convertedLoopState.thisName; - } - else { - // this is top level converted loop so we need to create an alias for 'this' here - // NOTE: - // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. - // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. - write("var " + convertedLoopState.thisName + " = this;"); - writeLine(); - } - } - if (convertedLoopState.hoistedLocalVariables) { - // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later - if (convertedOuterLoopState) { - // pass them to outer converted loop - convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; - } - else { - // deduplicate and hoist collected variable declarations - write("var "); - var seen = void 0; - for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { - var id = _d[_c]; - // Don't initialize seen unless we have at least one element. - // Emit a comma to separate for all but the first element. - if (!seen) { - seen = {}; - } - else { - write(", "); - } - if (!ts.hasProperty(seen, id.text)) { - emit(id); - seen[id.text] = id.text; - } - } - write(";"); - writeLine(); - } - } - var currentLoopState = convertedLoopState; - convertedLoopState = convertedOuterLoopState; - return { functionName: functionName, paramList: paramList, state: currentLoopState }; - function processVariableDeclaration(name) { - if (name.kind === 69 /* Identifier */) { - var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) - ? getGeneratedNameForNode(name) - : name.text; - loopParameters.push(nameText); - if (resolver.getNodeCheckFlags(name.parent) & 2097152 /* NeedsLoopOutParameter */) { - var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; - (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); - } - } - else { - for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { - var element = _b[_a]; - processVariableDeclaration(element.name); - } - } - } - } - function emitNormalLoopBody(node, emitAsEmbeddedStatement) { - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - // we get here if we are trying to emit normal loop loop inside converted loop - // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; - } - if (emitAsEmbeddedStatement) { - emitEmbeddedStatement(node.statement); - } - else if (node.statement.kind === 195 /* Block */) { - emitLines(node.statement.statements); - } - else { - writeLine(); - emit(node.statement); - } - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function copyLoopOutParameters(state, copyDirection, emitAsStatements) { - if (state.loopOutParameters) { - for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { - var outParam = _b[_a]; - if (copyDirection === 0 /* ToOriginal */) { - emitIdentifier(outParam.originalName); - write(" = " + outParam.outParamName); - } - else { - write(outParam.outParamName + " = "); - emitIdentifier(outParam.originalName); - } - if (emitAsStatements) { - write(";"); - writeLine(); - } - else { - write(", "); - } - } - } - } - function emitConvertedLoopCall(loop, emitAsBlock) { - if (emitAsBlock) { - write(" {"); - writeLine(); - increaseIndent(); - } - // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop - // simple loops are emitted as just 'loop()'; - var isSimpleLoop = !loop.state.nonLocalJumps && - !loop.state.labeledNonLocalBreaks && - !loop.state.labeledNonLocalContinues; - var loopResult = makeUniqueName("state"); - if (!isSimpleLoop) { - write("var " + loopResult + " = "); - } - write(loop.functionName + "(" + loop.paramList + ");"); - writeLine(); - copyLoopOutParameters(loop.state, 0 /* ToOriginal */, /*emitAsStatements*/ true); - if (!isSimpleLoop) { - // for non simple loops we need to store result returned from converted loop function and use it to do dispatching - // converted loop function can return: - // - object - used when body of the converted loop contains return statement. Property "value" of this object stores retuned value - // - string - used to dispatch jumps. "break" and "continue" are used to non-labeled jumps, other values are used to transfer control to - // different labels - writeLine(); - if (loop.state.nonLocalJumps & 8 /* Return */) { - write("if (typeof " + loopResult + " === \"object\") "); - if (convertedLoopState) { - // we are currently nested in another converted loop - return unwrapped result - write("return " + loopResult + ";"); - // propagate 'hasReturn' flag to outer loop - convertedLoopState.nonLocalJumps |= 8 /* Return */; - } - else { - // top level converted loop - return unwrapped value - write("return " + loopResult + ".value;"); - } - writeLine(); - } - if (loop.state.nonLocalJumps & 2 /* Break */) { - write("if (" + loopResult + " === \"break\") break;"); - writeLine(); - } - if (loop.state.nonLocalJumps & 4 /* Continue */) { - write("if (" + loopResult + " === \"continue\") continue;"); - writeLine(); - } - // in case of labeled breaks emit code that either breaks to some known label inside outer loop or delegates jump decision to outer loop - emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); - } - if (emitAsBlock) { - writeLine(); - decreaseIndent(); - write("}"); - } - function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { - if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { - return; - } - write("switch(" + loopResultVariable + ") {"); - increaseIndent(); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, /*isBreak*/ true, loopResultVariable, outerLoop); - emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, /*isBreak*/ false, loopResultVariable, outerLoop); - decreaseIndent(); - writeLine(); - write("}"); - } - function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { - if (!table) { - return; - } - for (var labelText in table) { - var labelMarker = table[labelText]; - writeLine(); - write("case \"" + labelMarker + "\": "); - // if there are no outer converted loop or outer label in question is located inside outer converted loop - // then emit labeled break\continue - // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do - if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { - if (isBreak) { - write("break "); - } - else { - write("continue "); - } - write(labelText + ";"); - } - else { - setLabeledJump(outerLoop, isBreak, labelText, labelMarker); - write("return " + loopResultVariable + ";"); - } - } - } - } - function emitForStatement(node) { - emitLoop(node, emitForStatementWorker); - } - function emitForStatementWorker(node, loop) { - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { - var variableDeclarationList = node.initializer; - var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); - if (startIsEmitted) { - emitCommaList(variableDeclarationList.declarations); - } - else { - emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); - } - } - else if (node.initializer) { - emit(node.initializer); - } - write(";"); - emitOptional(" ", node.condition); - write(";"); - emitOptional(" ", node.incrementor); - write(")"); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - function emitForInOrForOfStatement(node) { - if (languageVersion < 2 /* ES6 */ && node.kind === 204 /* ForOfStatement */) { - emitLoop(node, emitDownLevelForOfStatementWorker); - } - else { - emitLoop(node, emitForInOrForOfStatementWorker); - } - } - function emitForInOrForOfStatementWorker(node, loop) { - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length >= 1) { - tryEmitStartOfVariableDeclarationList(variableDeclarationList); - emit(variableDeclarationList.declarations[0]); - } - } - else { - emit(node.initializer); - } - if (node.kind === 203 /* ForInStatement */) { - write(" in "); - } - else { - write(" of "); - } - emit(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - if (loop) { - emitConvertedLoopCall(loop, /*emitAsBlock*/ true); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); - } - } - function emitDownLevelForOfStatementWorker(node, loop) { - // The following ES6 code: - // - // for (let v of expr) { } - // - // should be emitted as - // - // for (let _i = 0, _a = expr; _i < _a.length; _i++) { - // let v = _a[_i]; - // } - // - // where _a and _i are temps emitted to capture the RHS and the counter, - // respectively. - // When the left hand side is an expression instead of a let declaration, - // the "let v" is not emitted. - // When the left hand side is a let/const, the v is renamed if there is - // another v in scope. - // Note that all assignments to the LHS are emitted in the body, including - // all destructuring. - // Note also that because an extra statement is needed to assign to the LHS, - // for-of bodies are always emitted as blocks. - var endPos = emitToken(86 /* ForKeyword */, node.pos); - write(" "); - endPos = emitToken(17 /* OpenParenToken */, endPos); - // Do not emit the LHS let declaration yet, because it might contain destructuring. - // Do not call recordTempDeclaration because we are declaring the temps - // right here. Recording means they will be declared later. - // In the case where the user wrote an identifier as the RHS, like this: - // - // for (let v of arr) { } - // - // we can't reuse 'arr' because it might be modified within the body of the loop. - var counter = createTempVariable(268435456 /* _i */); - var rhsReference = ts.createSynthesizedNode(69 /* Identifier */); - rhsReference.text = node.expression.kind === 69 /* Identifier */ ? - makeUniqueName(node.expression.text) : - makeTempVariableName(0 /* Auto */); - // This is the let keyword for the counter and rhsReference. The let keyword for - // the LHS will be emitted inside the body. - emitStart(node.expression); - write("var "); - // _i = 0 - emitNodeWithoutSourceMap(counter); - write(" = 0"); - emitEnd(node.expression); - // , _a = expr - write(", "); - emitStart(node.expression); - emitNodeWithoutSourceMap(rhsReference); - write(" = "); - emitNodeWithoutSourceMap(node.expression); - emitEnd(node.expression); - write("; "); - // _i < _a.length; - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write(" < "); - emitNodeWithCommentsAndWithoutSourcemap(rhsReference); - write(".length"); - emitEnd(node.expression); - write("; "); - // _i++) - emitStart(node.expression); - emitNodeWithoutSourceMap(counter); - write("++"); - emitEnd(node.expression); - emitToken(18 /* CloseParenToken */, node.expression.end); - // Body - write(" {"); - writeLine(); - increaseIndent(); - // Initialize LHS - // let v = _a[_i]; - var rhsIterationValue = createElementAccessExpression(rhsReference, counter); - emitStart(node.initializer); - if (node.initializer.kind === 215 /* VariableDeclarationList */) { - write("var "); - var variableDeclarationList = node.initializer; - if (variableDeclarationList.declarations.length > 0) { - var declaration = variableDeclarationList.declarations[0]; - if (ts.isBindingPattern(declaration.name)) { - // This works whether the declaration is a var, let, or const. - // It will use rhsIterationValue _a[_i] as the initializer. - emitDestructuring(declaration, /*isAssignmentExpressionStatement*/ false, rhsIterationValue); - } - else { - // The following call does not include the initializer, so we have - // to emit it separately. - emitNodeWithCommentsAndWithoutSourcemap(declaration); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - // It's an empty declaration list. This can only happen in an error case, if the user wrote - // for (let of []) {} - emitNodeWithoutSourceMap(createTempVariable(0 /* Auto */)); - write(" = "); - emitNodeWithoutSourceMap(rhsIterationValue); - } - } - else { - // Initializer is an expression. Emit the expression in the body, so that it's - // evaluated on every iteration. - var assignmentExpression = createBinaryExpression(node.initializer, 56 /* EqualsToken */, rhsIterationValue, /*startsOnNewLine*/ false); - if (node.initializer.kind === 167 /* ArrayLiteralExpression */ || node.initializer.kind === 168 /* ObjectLiteralExpression */) { - // This is a destructuring pattern, so call emitDestructuring instead of emit. Calling emit will not work, because it will cause - // the BinaryExpression to be passed in instead of the expression statement, which will cause emitDestructuring to crash. - emitDestructuring(assignmentExpression, /*isAssignmentExpressionStatement*/ true, /*value*/ undefined); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); - } - } - emitEnd(node.initializer); - write(";"); - if (loop) { - writeLine(); - emitConvertedLoopCall(loop, /*emitAsBlock*/ false); - } - else { - emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ false); - } - writeLine(); - decreaseIndent(); - write("}"); - } - function emitBreakOrContinueStatement(node) { - if (convertedLoopState) { - // check if we can emit break\continue as is - // it is possible if either - // - break\continue is statement labeled and label is located inside the converted loop - // - break\continue is non-labeled and located in non-converted loop\switch statement - var jump = node.kind === 206 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; - var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || - (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); - if (!canUseBreakOrContinue) { - write("return "); - // explicit exit from loop -> copy out parameters - copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ false); - if (!node.label) { - if (node.kind === 206 /* BreakStatement */) { - convertedLoopState.nonLocalJumps |= 2 /* Break */; - write("\"break\";"); - } - else { - convertedLoopState.nonLocalJumps |= 4 /* Continue */; - write("\"continue\";"); - } - } - else { - var labelMarker = void 0; - if (node.kind === 206 /* BreakStatement */) { - labelMarker = "break-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); - } - else { - labelMarker = "continue-" + node.label.text; - setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); - } - write("\"" + labelMarker + "\";"); - } - return; - } - } - emitToken(node.kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */, node.pos); - emitOptional(" ", node.label); - write(";"); - } - function emitReturnStatement(node) { - if (convertedLoopState) { - convertedLoopState.nonLocalJumps |= 8 /* Return */; - write("return { value: "); - if (node.expression) { - emit(node.expression); - } - else { - write("void 0"); - } - write(" };"); - return; - } - emitToken(94 /* ReturnKeyword */, node.pos); - emitOptional(" ", node.expression); - write(";"); - } - function emitWithStatement(node) { - write("with ("); - emit(node.expression); - write(")"); - emitEmbeddedStatement(node.statement); - } - function emitSwitchStatement(node) { - var endPos = emitToken(96 /* SwitchKeyword */, node.pos); - write(" "); - emitToken(17 /* OpenParenToken */, endPos); - emit(node.expression); - endPos = emitToken(18 /* CloseParenToken */, node.expression.end); - write(" "); - var saveAllowedNonLabeledJumps; - if (convertedLoopState) { - saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; - // for switch statement allow only non-labeled break - convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; - } - emitCaseBlock(node.caseBlock, endPos); - if (convertedLoopState) { - convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; - } - } - function emitCaseBlock(node, startPos) { - emitToken(15 /* OpenBraceToken */, startPos); - increaseIndent(); - emitLines(node.clauses); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.clauses.end); - } - function nodeStartPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function nodeEndPositionsAreOnSameLine(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); - } - function nodeEndIsOnSameLineAsNodeStart(node1, node2) { - return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === - ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); - } - function emitCaseOrDefaultClause(node) { - if (node.kind === 244 /* CaseClause */) { - write("case "); - emit(node.expression); - write(":"); - } - else { - write("default:"); - } - if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { - write(" "); - emit(node.statements[0]); - } - else { - increaseIndent(); - emitLines(node.statements); - decreaseIndent(); - } - } - function emitThrowStatement(node) { - write("throw "); - emit(node.expression); - write(";"); - } - function emitTryStatement(node) { - write("try "); - emit(node.tryBlock); - emit(node.catchClause); - if (node.finallyBlock) { - writeLine(); - write("finally "); - emit(node.finallyBlock); - } - } - function emitCatchClause(node) { - writeLine(); - var endPos = emitToken(72 /* CatchKeyword */, node.pos); - write(" "); - emitToken(17 /* OpenParenToken */, endPos); - emit(node.variableDeclaration); - emitToken(18 /* CloseParenToken */, node.variableDeclaration ? node.variableDeclaration.end : endPos); - write(" "); - emitBlock(node.block); - } - function emitDebuggerStatement(node) { - emitToken(76 /* DebuggerKeyword */, node.pos); - write(";"); - } - function emitLabelAndColon(node) { - emit(node.label); - write(": "); - } - function emitLabeledStatement(node) { - if (!ts.isIterationStatement(node.statement, /* lookInLabeledStatements */ false) || !shouldConvertLoopBody(node.statement)) { - emitLabelAndColon(node); - } - if (convertedLoopState) { - if (!convertedLoopState.labels) { - convertedLoopState.labels = {}; - } - convertedLoopState.labels[node.label.text] = node.label.text; - } - emit(node.statement); - if (convertedLoopState) { - convertedLoopState.labels[node.label.text] = undefined; - } - } - function getContainingModule(node) { - do { - node = node.parent; - } while (node && node.kind !== 221 /* ModuleDeclaration */); - return node; - } - function emitContainingModuleName(node) { - var container = getContainingModule(node); - write(container ? getGeneratedNameForNode(container) : "exports"); - } - function emitModuleMemberName(node) { - emitStart(node.name); - if (ts.getCombinedNodeFlags(node) & 2 /* Export */) { - var container = getContainingModule(node); - if (container) { - write(getGeneratedNameForNode(container)); - write("."); - } - else if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { - write("exports."); - } - } - emitNodeWithCommentsAndWithoutSourcemap(node.name); - emitEnd(node.name); - } - function createVoidZero() { - var zero = ts.createSynthesizedNode(8 /* NumericLiteral */); - zero.text = "0"; - var result = ts.createSynthesizedNode(180 /* VoidExpression */); - result.expression = zero; - return result; - } - function emitEs6ExportDefaultCompat(node) { - if (node.parent.kind === 251 /* SourceFile */) { - ts.Debug.assert(!!(node.flags & 512 /* Default */) || node.kind === 230 /* ExportAssignment */); - // only allow export default at a source file level - if (modulekind === 1 /* CommonJS */ || modulekind === 2 /* AMD */ || modulekind === 3 /* UMD */) { - if (!isEs6Module) { - if (languageVersion !== 0 /* ES3 */) { - // default value of configurable, enumerable, writable are `false`. - write("Object.defineProperty(exports, \"__esModule\", { value: true });"); - writeLine(); - } - else { - write("exports.__esModule = true;"); - writeLine(); - } - } - } - } - } - function emitExportMemberAssignment(node) { - if (node.flags & 2 /* Export */) { - writeLine(); - emitStart(node); - // emit call to exporter only for top level nodes - if (modulekind === 4 /* System */ && node.parent === currentSourceFile) { - // emit export default as - // export("default", ) - write(exportFunctionForFile + "(\""); - if (node.flags & 512 /* Default */) { - write("default"); - } - else { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - write("\", "); - emitDeclarationName(node); - write(")"); - } - else { - if (node.flags & 512 /* Default */) { - emitEs6ExportDefaultCompat(node); - if (languageVersion === 0 /* ES3 */) { - write("exports[\"default\"]"); - } - else { - write("exports.default"); - } - } - else { - emitModuleMemberName(node); - } - write(" = "); - emitDeclarationName(node); - } - emitEnd(node); - write(";"); - } - } - function emitExportMemberAssignments(name) { - if (modulekind === 4 /* System */) { - return; - } - if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { - for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { - var specifier = _b[_a]; - writeLine(); - emitStart(specifier.name); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - emitEnd(specifier.name); - write(" = "); - emitExpressionIdentifier(name); - write(";"); - } - } - } - function emitExportSpecifierInSystemModule(specifier) { - ts.Debug.assert(modulekind === 4 /* System */); - if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { - return; - } - writeLine(); - emitStart(specifier.name); - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write("\", "); - emitExpressionIdentifier(specifier.propertyName || specifier.name); - write(")"); - emitEnd(specifier.name); - write(";"); - } - /** - * Emit an assignment to a given identifier, 'name', with a given expression, 'value'. - * @param name an identifier as a left-hand-side operand of the assignment - * @param value an expression as a right-hand-side operand of the assignment - * @param shouldEmitCommaBeforeAssignment a boolean indicating whether to prefix an assignment with comma - */ - function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { - if (shouldEmitCommaBeforeAssignment) { - write(", "); - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(name); - write("\", "); - } - var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 /* VariableDeclaration */ || name.parent.kind === 166 /* BindingElement */); - // If this is first var declaration, we need to start at var/let/const keyword instead - // otherwise use nodeForSourceMap as the start position - emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); - withTemporaryNoSourceMap(function () { - if (isVariableDeclarationOrBindingElement) { - emitModuleMemberName(name.parent); - } - else { - emit(name); - } - write(" = "); - emit(value); - }); - emitEnd(nodeForSourceMap, /*stopOverridingSpan*/ true); - if (exportChanged) { - write(")"); - } - } - /** - * Create temporary variable, emit an assignment of the variable the given expression - * @param expression an expression to assign to the newly created temporary variable - * @param canDefineTempVariablesInPlace a boolean indicating whether you can define the temporary variable at an assignment location - * @param shouldEmitCommaBeforeAssignment a boolean indicating whether an assignment should prefix with comma - */ - function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { - var identifier = createTempVariable(0 /* Auto */); - if (!canDefineTempVariablesInPlace) { - recordTempDeclaration(identifier); - } - emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); - return identifier; - } - function isFirstVariableDeclaration(root) { - return root.kind === 214 /* VariableDeclaration */ && - root.parent.kind === 215 /* VariableDeclarationList */ && - root.parent.declarations[0] === root; - } - function emitDestructuring(root, isAssignmentExpressionStatement, value) { - var emitCount = 0; - // An exported declaration is actually emitted as an assignment (to a property on the module object), so - // temporary variables in an exported declaration need to have real declarations elsewhere - // Also temporary variables should be explicitly allocated for source level declarations when module target is system - // because actual variable declarations are hoisted - var canDefineTempVariablesInPlace = false; - if (root.kind === 214 /* VariableDeclaration */) { - var isExported = ts.getCombinedNodeFlags(root) & 2 /* Export */; - var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); - canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; - } - else if (root.kind === 139 /* Parameter */) { - canDefineTempVariablesInPlace = true; - } - if (root.kind === 184 /* BinaryExpression */) { - emitAssignmentExpression(root); - } - else { - ts.Debug.assert(!isAssignmentExpressionStatement); - // If first variable declaration of variable statement correct the start location - if (isFirstVariableDeclaration(root)) { - // Use emit location of "var " as next emit start entry - sourceMap.changeEmitSourcePos(); - } - emitBindingElement(root, value); - } - /** - * Ensures that there exists a declared identifier whose value holds the given expression. - * This function is useful to ensure that the expression's value can be read from in subsequent expressions. - * Unless 'reuseIdentifierExpressions' is false, 'expr' will be returned if it is just an identifier. - * - * @param expr the expression whose value needs to be bound. - * @param reuseIdentifierExpressions true if identifier expressions can simply be returned; - * false if it is necessary to always emit an identifier. - */ - function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { - if (expr.kind === 69 /* Identifier */ && reuseIdentifierExpressions) { - return expr; - } - var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); - emitCount++; - return identifier; - } - function createDefaultValueCheck(value, defaultValue, sourceMapNode) { - // The value expression will be evaluated twice, so for anything but a simple identifier - // we need to generate a temporary variable - // If the temporary variable needs to be emitted use the source Map node for assignment of that statement - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - // Return the expression 'value === void 0 ? defaultValue : value' - var equals = ts.createSynthesizedNode(184 /* BinaryExpression */); - equals.left = value; - equals.operatorToken = ts.createSynthesizedNode(32 /* EqualsEqualsEqualsToken */); - equals.right = createVoidZero(); - return createConditionalExpression(equals, defaultValue, value); - } - function createConditionalExpression(condition, whenTrue, whenFalse) { - var cond = ts.createSynthesizedNode(185 /* ConditionalExpression */); - cond.condition = condition; - cond.questionToken = ts.createSynthesizedNode(53 /* QuestionToken */); - cond.whenTrue = whenTrue; - cond.colonToken = ts.createSynthesizedNode(54 /* ColonToken */); - cond.whenFalse = whenFalse; - return cond; - } - function createNumericLiteral(value) { - var node = ts.createSynthesizedNode(8 /* NumericLiteral */); - node.text = "" + value; - return node; - } - function createPropertyAccessForDestructuringProperty(object, propName) { - var index; - var nameIsComputed = propName.kind === 137 /* ComputedPropertyName */; - if (nameIsComputed) { - // TODO to handle when we look into sourcemaps for computed properties, for now use propName - index = ensureIdentifier(propName.expression, /*reuseIdentifierExpressions*/ false, propName); - } - else { - // We create a synthetic copy of the identifier in order to avoid the rewriting that might - // otherwise occur when the identifier is emitted. - index = ts.createSynthesizedNode(propName.kind); - // We need to unescape identifier here because when parsing an identifier prefixing with "__" - // the parser need to append "_" in order to escape colliding with magic identifiers such as "__proto__" - // Therefore, in order to correctly emit identifiers that are written in original TypeScript file, - // we will unescapeIdentifier to remove additional underscore (if no underscore is added, the function will return original input string) - index.text = ts.unescapeIdentifier(propName.text); - } - return !nameIsComputed && index.kind === 69 /* Identifier */ - ? createPropertyAccessExpression(object, index) - : createElementAccessExpression(object, index); - } - function createSliceCall(value, sliceIndex) { - var call = ts.createSynthesizedNode(171 /* CallExpression */); - var sliceIdentifier = ts.createSynthesizedNode(69 /* Identifier */); - sliceIdentifier.text = "slice"; - call.expression = createPropertyAccessExpression(value, sliceIdentifier); - call.arguments = ts.createSynthesizedNodeArray(); - call.arguments[0] = createNumericLiteral(sliceIndex); - return call; - } - function emitObjectLiteralAssignment(target, value, sourceMapNode) { - var properties = target.properties; - if (properties.length !== 1) { - // For anything but a single element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. - // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - } - for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { - var p = properties_5[_a]; - if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { - var propName = p.name; - var target_1 = p.kind === 249 /* ShorthandPropertyAssignment */ ? p : p.initializer || propName; - // Assignment for target = value.propName should highligh whole property, hence use p as source map node - emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); - } - } - } - function emitArrayLiteralAssignment(target, value, sourceMapNode) { - var elements = target.elements; - if (elements.length !== 1) { - // For anything but a single element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. - // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); - } - for (var i = 0; i < elements.length; i++) { - var e = elements[i]; - if (e.kind !== 190 /* OmittedExpression */) { - // Assignment for target = value.propName should highligh whole property, hence use e as source map node - if (e.kind !== 188 /* SpreadElementExpression */) { - emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); - } - else if (i === elements.length - 1) { - emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); - } - } - } - } - function emitDestructuringAssignment(target, value, sourceMapNode) { - // When emitting target = value use source map node to highlight, including any temporary assignments needed for this - if (target.kind === 249 /* ShorthandPropertyAssignment */) { - if (target.objectAssignmentInitializer) { - value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); - } - target = target.name; - } - else if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { - value = createDefaultValueCheck(value, target.right, sourceMapNode); - target = target.left; - } - if (target.kind === 168 /* ObjectLiteralExpression */) { - emitObjectLiteralAssignment(target, value, sourceMapNode); - } - else if (target.kind === 167 /* ArrayLiteralExpression */) { - emitArrayLiteralAssignment(target, value, sourceMapNode); - } - else { - emitAssignment(target, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, sourceMapNode); - emitCount++; - } - } - function emitAssignmentExpression(root) { - var target = root.left; - var value = root.right; - if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { - emit(value); - } - else if (isAssignmentExpressionStatement) { - // Source map node for root.left = root.right is root - // but if root is synthetic, which could be in below case, use the target which is { a } - // for ({a} of {a: string}) { - // } - emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); - } - else { - if (root.parent.kind !== 175 /* ParenthesizedExpression */) { - write("("); - } - // Temporary assignment needed to emit root should highlight whole binary expression - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, root); - // Source map node for root.left = root.right is root - emitDestructuringAssignment(target, value, root); - write(", "); - emit(value); - if (root.parent.kind !== 175 /* ParenthesizedExpression */) { - write(")"); - } - } - } - function emitBindingElement(target, value) { - // Any temporary assignments needed to emit target = value should point to target - if (target.initializer) { - // Combine value and initializer - value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; - } - else if (!value) { - // Use 'void 0' in absence of value and initializer - value = createVoidZero(); - } - if (ts.isBindingPattern(target.name)) { - var pattern = target.name; - var elements = pattern.elements; - var numElements = elements.length; - if (numElements !== 1) { - // For anything other than a single-element destructuring we need to generate a temporary - // to ensure value is evaluated exactly once. Additionally, if we have zero elements - // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, - // so in that case, we'll intentionally create that temporary. - value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ numElements !== 0, target); - } - for (var i = 0; i < numElements; i++) { - var element = elements[i]; - if (pattern.kind === 164 /* ObjectBindingPattern */) { - // Rewrite element to a declaration with an initializer that fetches property - var propName = element.propertyName || element.name; - emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); - } - else if (element.kind !== 190 /* OmittedExpression */) { - if (!element.dotDotDotToken) { - // Rewrite element to a declaration that accesses array element at index i - emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); - } - else if (i === numElements - 1) { - emitBindingElement(element, createSliceCall(value, i)); - } - } - } - } - else { - emitAssignment(target.name, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, target); - emitCount++; - } - } - } - function emitVariableDeclaration(node) { - if (ts.isBindingPattern(node.name)) { - if (languageVersion < 2 /* ES6 */) { - emitDestructuring(node, /*isAssignmentExpressionStatement*/ false); - } - else { - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - else { - var initializer = node.initializer; - if (!initializer && - languageVersion < 2 /* ES6 */ && - // for names - binding patterns that lack initializer there is no point to emit explicit initializer - // since downlevel codegen for destructuring will fail in the absence of initializer so all binding elements will say uninitialized - node.name.kind === 69 /* Identifier */) { - var container = ts.getEnclosingBlockScopeContainer(node); - var flags = resolver.getNodeCheckFlags(node); - // nested let bindings might need to be initialized explicitly to preserve ES6 semantic - // { let x = 1; } - // { let x; } // x here should be undefined. not 1 - // NOTES: - // Top level bindings never collide with anything and thus don't require explicit initialization. - // As for nested let bindings there are two cases: - // - nested let bindings that were not renamed definitely should be initialized explicitly - // { let x = 1; } - // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } - // Without explicit initialization code in /*1*/ can be executed even if some-condition is evaluated to false - // - renaming introduces fresh name that should not collide with any existing names, however renamed bindings sometimes also should be - // explicitly initialized. One particular case: non-captured binding declared inside loop body (but not in loop initializer) - // let x; - // for (;;) { - // let x; - // } - // in downlevel codegen inner 'x' will be renamed so it won't collide with outer 'x' however it will should be reset on every iteration - // as if it was declared anew. - // * Why non-captured binding - because if loop contains block scoped binding captured in some function then loop body will be rewritten - // to have a fresh scope on every iteration so everything will just work. - // * Why loop initializer is excluded - since we've introduced a fresh name it already will be undefined. - var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; - var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; - var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || - (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false)); - var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 /* Let */ && - !emittedAsTopLevel; - var emitExplicitInitializer = emittedAsNestedLetDeclaration && - container.kind !== 203 /* ForInStatement */ && - container.kind !== 204 /* ForOfStatement */ && - (!resolver.isDeclarationWithCollidingName(node) || - (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, /*lookInLabeledStatements*/ false))); - if (emitExplicitInitializer) { - initializer = createVoidZero(); - } - } - var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); - if (exportChanged) { - write(exportFunctionForFile + "(\""); - emitNodeWithCommentsAndWithoutSourcemap(node.name); - write("\", "); - } - emitModuleMemberName(node); - emitOptional(" = ", initializer); - if (exportChanged) { - write(")"); - } - } - } - function emitExportVariableAssignments(node) { - if (node.kind === 190 /* OmittedExpression */) { - return; - } - var name = node.name; - if (name.kind === 69 /* Identifier */) { - emitExportMemberAssignments(name); - } - else if (ts.isBindingPattern(name)) { - ts.forEach(name.elements, emitExportVariableAssignments); - } - } - function isES6ExportedDeclaration(node) { - return !!(node.flags & 2 /* Export */) && - modulekind === 5 /* ES6 */ && - node.parent.kind === 251 /* SourceFile */; - } - function emitVariableStatement(node) { - var startIsEmitted = false; - if (node.flags & 2 /* Export */) { - if (isES6ExportedDeclaration(node)) { - // Exported ES6 module member - write("export "); - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - } - else { - startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); - } - if (startIsEmitted) { - emitCommaList(node.declarationList.declarations); - write(";"); - } - else { - var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); - if (atLeastOneItem) { - write(";"); - } - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { - ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); - } - } - function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { - // If we're not exporting the variables, there's nothing special here. - // Always emit comments for these nodes. - if (!(node.flags & 2 /* Export */)) { - return true; - } - // If we are exporting, but it's a top-level ES6 module exports, - // we'll emit the declaration list verbatim, so emit comments too. - if (isES6ExportedDeclaration(node)) { - return true; - } - // Otherwise, only emit if we have at least one initializer present. - for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { - var declaration = _b[_a]; - if (declaration.initializer) { - return true; - } - } - return false; - } - function emitParameter(node) { - if (languageVersion < 2 /* ES6 */) { - if (ts.isBindingPattern(node.name)) { - var name_27 = createTempVariable(0 /* Auto */); - if (!tempParameters) { - tempParameters = []; - } - tempParameters.push(name_27); - emit(name_27); - } - else { - emit(node.name); - } - } - else { - if (node.dotDotDotToken) { - write("..."); - } - emit(node.name); - emitOptional(" = ", node.initializer); - } - } - function emitDefaultValueAssignments(node) { - if (languageVersion < 2 /* ES6 */) { - var tempIndex_1 = 0; - ts.forEach(node.parameters, function (parameter) { - // A rest parameter cannot have a binding pattern or an initializer, - // so let's just ignore it. - if (parameter.dotDotDotToken) { - return; - } - var paramName = parameter.name, initializer = parameter.initializer; - if (ts.isBindingPattern(paramName)) { - // In cases where a binding pattern is simply '[]' or '{}', - // we usually don't want to emit a var declaration; however, in the presence - // of an initializer, we must emit that expression to preserve side effects. - var hasBindingElements = paramName.elements.length > 0; - if (hasBindingElements || initializer) { - writeLine(); - write("var "); - if (hasBindingElements) { - emitDestructuring(parameter, /*isAssignmentExpressionStatement*/ false, tempParameters[tempIndex_1]); - } - else { - emit(tempParameters[tempIndex_1]); - write(" = "); - emit(initializer); - } - write(";"); - tempIndex_1++; - } - } - else if (initializer) { - writeLine(); - emitStart(parameter); - write("if ("); - emitNodeWithoutSourceMap(paramName); - write(" === void 0)"); - emitEnd(parameter); - write(" { "); - emitStart(parameter); - emitNodeWithCommentsAndWithoutSourcemap(paramName); - write(" = "); - emitNodeWithCommentsAndWithoutSourcemap(initializer); - emitEnd(parameter); - write("; }"); - } - }); - } - } - function emitRestParameter(node) { - if (languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node)) { - var restIndex = node.parameters.length - 1; - var restParam = node.parameters[restIndex]; - // A rest parameter cannot have a binding pattern, so let's just ignore it if it does. - if (ts.isBindingPattern(restParam.name)) { - return; - } - var tempName = createTempVariable(268435456 /* _i */).text; - writeLine(); - emitLeadingComments(restParam); - emitStart(restParam); - write("var "); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write(" = [];"); - emitEnd(restParam); - emitTrailingComments(restParam); - writeLine(); - write("for ("); - emitStart(restParam); - write("var " + tempName + " = " + restIndex + ";"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + " < arguments.length;"); - emitEnd(restParam); - write(" "); - emitStart(restParam); - write(tempName + "++"); - emitEnd(restParam); - write(") {"); - increaseIndent(); - writeLine(); - emitStart(restParam); - emitNodeWithCommentsAndWithoutSourcemap(restParam.name); - write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); - emitEnd(restParam); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitAccessor(node) { - write(node.kind === 146 /* GetAccessor */ ? "get " : "set "); - emit(node.name); - emitSignatureAndBody(node); - } - function shouldEmitAsArrowFunction(node) { - return node.kind === 177 /* ArrowFunction */ && languageVersion >= 2 /* ES6 */; - } - function emitDeclarationName(node) { - if (node.name) { - emitNodeWithCommentsAndWithoutSourcemap(node.name); - } - else { - write(getGeneratedNameForNode(node)); - } - } - function shouldEmitFunctionName(node) { - if (node.kind === 176 /* FunctionExpression */) { - // Emit name if one is present - return !!node.name; - } - if (node.kind === 216 /* FunctionDeclaration */) { - // Emit name if one is present, or emit generated name in down-level case (for export default case) - return !!node.name || modulekind !== 5 /* ES6 */; - } - } - function emitFunctionDeclaration(node) { - if (ts.nodeIsMissing(node.body)) { - return emitCommentsOnNotEmittedNode(node); - } - // TODO (yuisu) : we should not have special cases to condition emitting comments - // but have one place to fix check for these conditions. - var kind = node.kind, parent = node.parent; - if (kind !== 144 /* MethodDeclaration */ && - kind !== 143 /* MethodSignature */ && - parent && - parent.kind !== 248 /* PropertyAssignment */ && - parent.kind !== 171 /* CallExpression */ && - parent.kind !== 167 /* ArrayLiteralExpression */) { - // 1. Methods will emit comments at their assignment declaration sites. - // - // 2. If the function is a property of object literal, emitting leading-comments - // is done by emitNodeWithoutSourceMap which then call this function. - // In particular, we would like to avoid emit comments twice in following case: - // - // var obj = { - // id: - // /*comment*/ () => void - // } - // - // 3. If the function is an argument in call expression, emitting of comments will be - // taken care of in emit list of arguments inside of 'emitCallExpression'. - // - // 4. If the function is in an array literal, 'emitLinePreservingList' will take care - // of leading comments. - emitLeadingComments(node); - } - emitStart(node); - // For targeting below es6, emit functions-like declaration including arrow function using function keyword. - // When targeting ES6, emit arrow function natively in ES6 by omitting function keyword and using fat arrow instead - if (!shouldEmitAsArrowFunction(node)) { - if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512 /* Default */) { - write("default "); - } - } - write("function"); - if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { - write("*"); - } - write(" "); - } - if (shouldEmitFunctionName(node)) { - emitDeclarationName(node); - } - emitSignatureAndBody(node); - if (modulekind !== 5 /* ES6 */ && kind === 216 /* FunctionDeclaration */ && parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - emitEnd(node); - if (kind !== 144 /* MethodDeclaration */ && kind !== 143 /* MethodSignature */) { - emitTrailingComments(node); - } - } - function emitCaptureThisForNodeIfNecessary(node) { - if (resolver.getNodeCheckFlags(node) & 4 /* CaptureThis */) { - writeLine(); - emitStart(node); - write("var _this = this;"); - emitEnd(node); - } - } - function emitSignatureParameters(node) { - increaseIndent(); - write("("); - if (node) { - var parameters = node.parameters; - var omitCount = languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node) ? 1 : 0; - emitList(parameters, 0, parameters.length - omitCount, /*multiLine*/ false, /*trailingComma*/ false); - } - write(")"); - decreaseIndent(); - } - function emitSignatureParametersForArrow(node) { - // Check whether the parameter list needs parentheses and preserve no-parenthesis - if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { - emit(node.parameters[0]); - return; - } - emitSignatureParameters(node); - } - function emitAsyncFunctionBodyForES6(node) { - var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); - var isArrowFunction = node.kind === 177 /* ArrowFunction */; - var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; - // An async function is emit as an outer function that calls an inner - // generator function. To preserve lexical bindings, we pass the current - // `this` and `arguments` objects to `__awaiter`. The generator function - // passed to `__awaiter` is executed inside of the callback to the - // promise constructor. - // - // The emit for an async arrow without a lexical `arguments` binding might be: - // - // // input - // let a = async (b) => { await b; } - // - // // output - // let a = (b) => __awaiter(this, void 0, void 0, function* () { - // yield b; - // }); - // - // The emit for an async arrow with a lexical `arguments` binding might be: - // - // // input - // let a = async (b) => { await arguments[0]; } - // - // // output - // let a = (b) => __awaiter(this, arguments, void 0, function* (arguments) { - // yield arguments[0]; - // }); - // - // The emit for an async function expression without a lexical `arguments` binding - // might be: - // - // // input - // let a = async function (b) { - // await b; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, void 0, void 0, function* () { - // yield b; - // }); - // } - // - // The emit for an async function expression with a lexical `arguments` binding - // might be: - // - // // input - // let a = async function (b) { - // await arguments[0]; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, arguments, void 0, function* (_arguments) { - // yield _arguments[0]; - // }); - // } - // - // The emit for an async function expression with a lexical `arguments` binding - // and a return type annotation might be: - // - // // input - // let a = async function (b): MyPromise { - // await arguments[0]; - // } - // - // // output - // let a = function (b) { - // return __awaiter(this, arguments, MyPromise, function* (_arguments) { - // yield _arguments[0]; - // }); - // } - // - // If this is not an async arrow, emit the opening brace of the function body - // and the start of the return statement. - if (!isArrowFunction) { - write(" {"); - increaseIndent(); - writeLine(); - if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { - writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); - writeLine(); - } - else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { - write("const _super = name => super[name];"); - writeLine(); - } - write("return"); - } - write(" __awaiter(this"); - if (hasLexicalArguments) { - write(", arguments, "); - } - else { - write(", void 0, "); - } - if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */)) { - write("void 0"); - } - else { - emitEntityNameAsExpression(promiseConstructor, /*useFallback*/ false); - } - // Emit the call to __awaiter. - write(", function* ()"); - // Emit the signature and body for the inner generator function. - emitFunctionBody(node); - write(")"); - // If this is not an async arrow, emit the closing brace of the outer function body. - if (!isArrowFunction) { - write(";"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function emitFunctionBody(node) { - if (!node.body) { - // There can be no body when there are parse errors. Just emit an empty block - // in that case. - write(" { }"); - } - else { - if (node.body.kind === 195 /* Block */) { - emitBlockFunctionBody(node, node.body); - } - else { - emitExpressionFunctionBody(node, node.body); - } - } - } - function emitSignatureAndBody(node) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - // When targeting ES6, emit arrow function natively in ES6 - if (shouldEmitAsArrowFunction(node)) { - emitSignatureParametersForArrow(node); - write(" =>"); - } - else { - emitSignatureParameters(node); - } - var isAsync = ts.isAsyncFunctionLike(node); - if (isAsync) { - emitAsyncFunctionBodyForES6(node); - } - else { - emitFunctionBody(node); - } - if (!isES6ExportedDeclaration(node)) { - emitExportMemberAssignment(node); - } - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - // Returns true if any preamble code was emitted. - function emitFunctionBodyPreamble(node) { - emitCaptureThisForNodeIfNecessary(node); - emitDefaultValueAssignments(node); - emitRestParameter(node); - } - function emitExpressionFunctionBody(node, body) { - if (languageVersion < 2 /* ES6 */ || node.flags & 256 /* Async */) { - emitDownLevelExpressionFunctionBody(node, body); - return; - } - // For es6 and higher we can emit the expression as is. However, in the case - // where the expression might end up looking like a block when emitted, we'll - // also wrap it in parentheses first. For example if you have: a => {} - // then we need to generate: a => ({}) - write(" "); - // Unwrap all type assertions. - var current = body; - while (current.kind === 174 /* TypeAssertionExpression */) { - current = current.expression; - } - emitParenthesizedIf(body, current.kind === 168 /* ObjectLiteralExpression */); - } - function emitDownLevelExpressionFunctionBody(node, body) { - write(" {"); - increaseIndent(); - var outPos = writer.getTextPos(); - emitDetachedCommentsAndUpdateCommentsInfo(node.body); - emitFunctionBodyPreamble(node); - var preambleEmitted = writer.getTextPos() !== outPos; - decreaseIndent(); - // If we didn't have to emit any preamble code, then attempt to keep the arrow - // function on one line. - if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { - write(" "); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTempDeclarations(/*newLine*/ false); - write(" "); - } - else { - increaseIndent(); - writeLine(); - emitLeadingComments(node.body); - emitStart(body); - write("return "); - emit(body); - emitEnd(body); - write(";"); - emitTrailingComments(node.body); - emitTempDeclarations(/*newLine*/ true); - decreaseIndent(); - writeLine(); - } - emitStart(node.body); - write("}"); - emitEnd(node.body); - } - function emitBlockFunctionBody(node, body) { - write(" {"); - var initialTextPos = writer.getTextPos(); - increaseIndent(); - emitDetachedCommentsAndUpdateCommentsInfo(body.statements); - // Emit all the directive prologues (like "use strict"). These have to come before - // any other preamble code we write (like parameter initializers). - var startIndex = emitDirectivePrologues(body.statements, /*startWithNewLine*/ true); - emitFunctionBodyPreamble(node); - decreaseIndent(); - var preambleEmitted = writer.getTextPos() !== initialTextPos; - if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { - for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { - var statement = _b[_a]; - write(" "); - emit(statement); - } - emitTempDeclarations(/*newLine*/ false); - write(" "); - emitLeadingCommentsOfPosition(body.statements.end); - } - else { - increaseIndent(); - emitLinesStartingAt(body.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - writeLine(); - emitLeadingCommentsOfPosition(body.statements.end); - decreaseIndent(); - } - emitToken(16 /* CloseBraceToken */, body.statements.end); - } - /** - * Return the statement at a given index if it is a super-call statement - * @param ctor a constructor declaration - * @param index an index to constructor's body to check - */ - function getSuperCallAtGivenIndex(ctor, index) { - if (!ctor.body) { - return undefined; - } - var statements = ctor.body.statements; - if (!statements || index >= statements.length) { - return undefined; - } - var statement = statements[index]; - if (statement.kind === 198 /* ExpressionStatement */) { - return ts.isSuperCallExpression(statement.expression) ? statement : undefined; - } - } - function emitParameterPropertyAssignments(node) { - ts.forEach(node.parameters, function (param) { - if (param.flags & 56 /* AccessibilityModifier */) { - writeLine(); - emitStart(param); - emitStart(param.name); - write("this."); - emitNodeWithoutSourceMap(param.name); - emitEnd(param.name); - write(" = "); - emit(param.name); - write(";"); - emitEnd(param); - } - }); - } - function emitMemberAccessForPropertyName(memberName) { - // This does not emit source map because it is emitted by caller as caller - // is aware how the property name changes to the property access - // eg. public x = 10; becomes this.x and static x = 10 becomes className.x - if (memberName.kind === 9 /* StringLiteral */ || memberName.kind === 8 /* NumericLiteral */) { - write("["); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - write("]"); - } - else if (memberName.kind === 137 /* ComputedPropertyName */) { - emitComputedPropertyName(memberName); - } - else { - write("."); - emitNodeWithCommentsAndWithoutSourcemap(memberName); - } - } - function getInitializedProperties(node, isStatic) { - var properties = []; - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if (member.kind === 142 /* PropertyDeclaration */ && isStatic === ((member.flags & 64 /* Static */) !== 0) && member.initializer) { - properties.push(member); - } - } - return properties; - } - function emitPropertyDeclarations(node, properties) { - for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { - var property = properties_6[_a]; - emitPropertyDeclaration(node, property); - } - } - function emitPropertyDeclaration(node, property, receiver, isExpression) { - writeLine(); - emitLeadingComments(property); - emitStart(property); - emitStart(property.name); - if (receiver) { - emit(receiver); - } - else { - if (property.flags & 64 /* Static */) { - emitDeclarationName(node); - } - else { - write("this"); - } - } - emitMemberAccessForPropertyName(property.name); - emitEnd(property.name); - write(" = "); - emit(property.initializer); - if (!isExpression) { - write(";"); - } - emitEnd(property); - emitTrailingComments(property); - } - function emitMemberFunctionsForES5AndLower(node) { - ts.forEach(node.members, function (member) { - if (member.kind === 194 /* SemicolonClassElement */) { - writeLine(); - write(";"); - } - else if (member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) { - if (!member.body) { - return emitCommentsOnNotEmittedNode(member); - } - writeLine(); - emitLeadingComments(member); - emitStart(member); - emitStart(member.name); - emitClassMemberPrefix(node, member); - emitMemberAccessForPropertyName(member.name); - emitEnd(member.name); - write(" = "); - emitFunctionDeclaration(member); - emitEnd(member); - write(";"); - emitTrailingComments(member); - } - else if (member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member === accessors.firstAccessor) { - writeLine(); - emitStart(member); - write("Object.defineProperty("); - emitStart(member.name); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - emitEnd(member.name); - write(", {"); - increaseIndent(); - if (accessors.getAccessor) { - writeLine(); - emitLeadingComments(accessors.getAccessor); - write("get: "); - emitStart(accessors.getAccessor); - write("function "); - emitSignatureAndBody(accessors.getAccessor); - emitEnd(accessors.getAccessor); - emitTrailingComments(accessors.getAccessor); - write(","); - } - if (accessors.setAccessor) { - writeLine(); - emitLeadingComments(accessors.setAccessor); - write("set: "); - emitStart(accessors.setAccessor); - write("function "); - emitSignatureAndBody(accessors.setAccessor); - emitEnd(accessors.setAccessor); - emitTrailingComments(accessors.setAccessor); - write(","); - } - writeLine(); - write("enumerable: true,"); - writeLine(); - write("configurable: true"); - decreaseIndent(); - writeLine(); - write("});"); - emitEnd(member); - } - } - }); - } - function emitMemberFunctionsForES6AndHigher(node) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - if ((member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - else if (member.kind === 144 /* MethodDeclaration */ || - member.kind === 146 /* GetAccessor */ || - member.kind === 147 /* SetAccessor */) { - writeLine(); - emitLeadingComments(member); - emitStart(member); - if (member.flags & 64 /* Static */) { - write("static "); - } - if (member.kind === 146 /* GetAccessor */) { - write("get "); - } - else if (member.kind === 147 /* SetAccessor */) { - write("set "); - } - if (member.asteriskToken) { - write("*"); - } - emit(member.name); - emitSignatureAndBody(member); - emitEnd(member); - emitTrailingComments(member); - } - else if (member.kind === 194 /* SemicolonClassElement */) { - writeLine(); - write(";"); - } - } - } - function emitConstructor(node, baseTypeElement) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - emitConstructorWorker(node, baseTypeElement); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - } - function emitConstructorWorker(node, baseTypeElement) { - // Check if we have property assignment inside class declaration. - // If there is property assignment, we need to emit constructor whether users define it or not - // If there is no property assignment, we can omit constructor if users do not define it - var hasInstancePropertyWithInitializer = false; - // Emit the constructor overload pinned comments - ts.forEach(node.members, function (member) { - if (member.kind === 145 /* Constructor */ && !member.body) { - emitCommentsOnNotEmittedNode(member); - } - // Check if there is any non-static property assignment - if (member.kind === 142 /* PropertyDeclaration */ && member.initializer && (member.flags & 64 /* Static */) === 0) { - hasInstancePropertyWithInitializer = true; - } - }); - var ctor = ts.getFirstConstructorWithBody(node); - // For target ES6 and above, if there is no user-defined constructor and there is no property assignment - // do not emit constructor in class declaration. - if (languageVersion >= 2 /* ES6 */ && !ctor && !hasInstancePropertyWithInitializer) { - return; - } - if (ctor) { - emitLeadingComments(ctor); - } - emitStart(ctor || node); - if (languageVersion < 2 /* ES6 */) { - write("function "); - emitDeclarationName(node); - emitSignatureParameters(ctor); - } - else { - write("constructor"); - if (ctor) { - emitSignatureParameters(ctor); - } - else { - // Based on EcmaScript6 section 14.5.14: Runtime Semantics: ClassDefinitionEvaluation. - // If constructor is empty, then, - // If ClassHeritageopt is present, then - // Let constructor be the result of parsing the String "constructor(... args){ super (...args);}" using the syntactic grammar with the goal symbol MethodDefinition. - // Else, - // Let constructor be the result of parsing the String "constructor( ){ }" using the syntactic grammar with the goal symbol MethodDefinition - if (baseTypeElement) { - write("(...args)"); - } - else { - write("()"); - } - } - } - var startIndex = 0; - write(" {"); - increaseIndent(); - if (ctor) { - // Emit all the directive prologues (like "use strict"). These have to come before - // any other preamble code we write (like parameter initializers). - startIndex = emitDirectivePrologues(ctor.body.statements, /*startWithNewLine*/ true); - emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); - } - emitCaptureThisForNodeIfNecessary(node); - var superCall; - if (ctor) { - emitDefaultValueAssignments(ctor); - emitRestParameter(ctor); - if (baseTypeElement) { - superCall = getSuperCallAtGivenIndex(ctor, startIndex); - if (superCall) { - writeLine(); - emit(superCall); - } - } - emitParameterPropertyAssignments(ctor); - } - else { - if (baseTypeElement) { - writeLine(); - emitStart(baseTypeElement); - if (languageVersion < 2 /* ES6 */) { - write("_super.apply(this, arguments);"); - } - else { - write("super(...args);"); - } - emitEnd(baseTypeElement); - } - } - emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ false)); - if (ctor) { - var statements = ctor.body.statements; - if (superCall) { - statements = statements.slice(1); - } - emitLinesStartingAt(statements, startIndex); - } - emitTempDeclarations(/*newLine*/ true); - writeLine(); - if (ctor) { - emitLeadingCommentsOfPosition(ctor.body.statements.end); - } - decreaseIndent(); - emitToken(16 /* CloseBraceToken */, ctor ? ctor.body.statements.end : node.members.end); - emitEnd(ctor || node); - if (ctor) { - emitTrailingComments(ctor); - } - } - function emitClassExpression(node) { - return emitClassLikeDeclaration(node); - } - function emitClassDeclaration(node) { - return emitClassLikeDeclaration(node); - } - function emitClassLikeDeclaration(node) { - if (languageVersion < 2 /* ES6 */) { - emitClassLikeDeclarationBelowES6(node); - } - else { - emitClassLikeDeclarationForES6AndHigher(node); - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile && node.name) { - emitExportMemberAssignments(node.name); - } - } - function emitClassLikeDeclarationForES6AndHigher(node) { - var decoratedClassAlias; - var thisNodeIsDecorated = ts.nodeIsDecorated(node); - if (node.kind === 217 /* ClassDeclaration */) { - if (thisNodeIsDecorated) { - // When we emit an ES6 class that has a class decorator, we must tailor the - // emit to certain specific cases. - // - // In the simplest case, we emit the class declaration as a let declaration, and - // evaluate decorators after the close of the class body: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C = class C { - // class C { | } - // } | C = __decorate([dec], C); - // --------------------------------|------------------------------------ - // @dec | export let C = class C { - // export class C { | } - // } | C = __decorate([dec], C); - // --------------------------------------------------------------------- - // [Example 1] - // - // If a class declaration contains a reference to itself *inside* of the class body, - // this introduces two bindings to the class: One outside of the class body, and one - // inside of the class body. If we apply decorators as in [Example 1] above, there - // is the possibility that the decorator `dec` will return a new value for the - // constructor, which would result in the binding inside of the class no longer - // pointing to the same reference as the binding outside of the class. - // - // As a result, we must instead rewrite all references to the class *inside* of the - // class body to instead point to a local temporary alias for the class: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C_1; - // class C { | let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // --------------------------------|------------------------------------ - // @dec | let C_1; - // export class C { | export let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // --------------------------------------------------------------------- - // [Example 2] - // - // If a class declaration is the default export of a module, we instead emit - // the export after the decorated declaration: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let default_1 = class { - // export default class { | } - // } | default_1 = __decorate([dec], default_1); - // | export default default_1; - // --------------------------------|------------------------------------ - // @dec | let C = class C { - // export default class { | } - // } | C = __decorate([dec], C); - // | export default C; - // --------------------------------------------------------------------- - // [Example 3] - // - // If the class declaration is the default export and a reference to itself - // inside of the class body, we must emit both an alias for the class *and* - // move the export after the declaration: - // - // TypeScript | Javascript - // --------------------------------|------------------------------------ - // @dec | let C_1; - // export default class C { | let C = C_1 = class C { - // static x() { return C.y; } | static x() { return C_1.y; } - // static y = 1; | } - // } | C.y = 1; - // | C = C_1 = __decorate([dec], C); - // | export default C; - // --------------------------------------------------------------------- - // [Example 4] - // - if (resolver.getNodeCheckFlags(node) & 524288 /* ClassWithBodyScopedClassBinding */) { - decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); - decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; - write("let " + decoratedClassAlias + ";"); - writeLine(); - } - if (isES6ExportedDeclaration(node) && !(node.flags & 512 /* Default */)) { - write("export "); - } - write("let "); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = "); - } - else if (isES6ExportedDeclaration(node)) { - write("export "); - if (node.flags & 512 /* Default */) { - write("default "); - } - } - } - // If the class has static properties, and it's a class expression, then we'll need - // to specialize the emit a bit. for a class expression of the form: - // - // class C { static a = 1; static b = 2; ... } - // - // We'll emit: - // - // (_temp = class C { ... }, _temp.a = 1, _temp.b = 2, _temp) - // - // This keeps the expression as an expression, while ensuring that the static parts - // of it have been initialized by the time it is used. - var staticProperties = getInitializedProperties(node, /*isStatic*/ true); - var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189 /* ClassExpression */; - var tempVariable; - if (isClassExpressionWithStaticProperties) { - tempVariable = createAndRecordTempVariable(0 /* Auto */); - write("("); - increaseIndent(); - emit(tempVariable); - write(" = "); - } - write("class"); - // emit name if - // - node has a name - // - this is default export with static initializers - if (node.name || (node.flags & 512 /* Default */ && (staticProperties.length > 0 || modulekind !== 5 /* ES6 */) && !thisNodeIsDecorated)) { - write(" "); - emitDeclarationName(node); - } - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write(" extends "); - emit(baseTypeNode.expression); - } - write(" {"); - increaseIndent(); - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES6AndHigher(node); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - if (thisNodeIsDecorated) { - decoratedClassAliases[ts.getNodeId(node)] = undefined; - write(";"); - } - // Emit static property assignment. Because classDeclaration is lexically evaluated, - // it is safe to emit static property assignment after classDeclaration - // From ES6 specification: - // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using - // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration. - if (isClassExpressionWithStaticProperties) { - for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { - var property = staticProperties_1[_a]; - write(","); - writeLine(); - emitPropertyDeclaration(node, property, /*receiver*/ tempVariable, /*isExpression*/ true); - } - write(","); - writeLine(); - emit(tempVariable); - decreaseIndent(); - write(")"); - } - else { - writeLine(); - emitPropertyDeclarations(node, staticProperties); - emitDecoratorsOfClass(node, decoratedClassAlias); - } - if (!(node.flags & 2 /* Export */)) { - return; - } - if (modulekind !== 5 /* ES6 */) { - emitExportMemberAssignment(node); - } - else { - // If this is an exported class, but not on the top level (i.e. on an internal - // module), export it - if (node.flags & 512 /* Default */) { - // if this is a top level default export of decorated class, write the export after the declaration. - if (thisNodeIsDecorated) { - writeLine(); - write("export default "); - emitDeclarationName(node); - write(";"); - } - } - else if (node.parent.kind !== 251 /* SourceFile */) { - writeLine(); - emitStart(node); - emitModuleMemberName(node); - write(" = "); - emitDeclarationName(node); - emitEnd(node); - write(";"); - } - } - } - function emitClassLikeDeclarationBelowES6(node) { - if (node.kind === 217 /* ClassDeclaration */) { - // source file level classes in system modules are hoisted so 'var's for them are already defined - if (!shouldHoistDeclarationInSystemJsModule(node)) { - write("var "); - } - emitDeclarationName(node); - write(" = "); - } - write("(function ("); - var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); - if (baseTypeNode) { - write("_super"); - } - write(") {"); - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - var saveTempParameters = tempParameters; - var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; - var saveConvertedLoopState = convertedLoopState; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - tempParameters = undefined; - computedPropertyNamesToGeneratedNames = undefined; - increaseIndent(); - if (baseTypeNode) { - writeLine(); - emitStart(baseTypeNode); - write("__extends("); - emitDeclarationName(node); - write(", _super);"); - emitEnd(baseTypeNode); - } - writeLine(); - emitConstructor(node, baseTypeNode); - emitMemberFunctionsForES5AndLower(node); - emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ true)); - writeLine(); - emitDecoratorsOfClass(node, /*decoratedClassAlias*/ undefined); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end, function () { - write("return "); - emitDeclarationName(node); - }); - write(";"); - emitTempDeclarations(/*newLine*/ true); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - tempParameters = saveTempParameters; - computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - emitStart(node); - write("("); - if (baseTypeNode) { - emit(baseTypeNode.expression); - } - write("))"); - if (node.kind === 217 /* ClassDeclaration */) { - write(";"); - } - emitEnd(node); - if (node.kind === 217 /* ClassDeclaration */) { - emitExportMemberAssignment(node); - } - } - function emitClassMemberPrefix(node, member) { - emitDeclarationName(node); - if (!(member.flags & 64 /* Static */)) { - write(".prototype"); - } - } - function emitDecoratorsOfClass(node, decoratedClassAlias) { - emitDecoratorsOfMembers(node, /*staticFlag*/ 0); - emitDecoratorsOfMembers(node, 64 /* Static */); - emitDecoratorsOfConstructor(node, decoratedClassAlias); - } - function emitDecoratorsOfConstructor(node, decoratedClassAlias) { - var decorators = node.decorators; - var constructor = ts.getFirstConstructorWithBody(node); - var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); - // skip decoration of the constructor if neither it nor its parameters are decorated - if (!decorators && !firstParameterDecorator) { - return; - } - // Emit the call to __decorate. Given the class: - // - // @dec - // class C { - // } - // - // The emit for the class is: - // - // C = __decorate([dec], C); - // - writeLine(); - emitStart(node.decorators || firstParameterDecorator); - emitDeclarationName(node); - if (decoratedClassAlias !== undefined) { - write(" = " + decoratedClassAlias); - } - write(" = __decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(constructor, /*leadingComma*/ argumentsWritten > 0); - } - emitSerializedTypeMetadata(node, /*leadingComma*/ argumentsWritten >= 0); - decreaseIndent(); - writeLine(); - write("], "); - emitDeclarationName(node); - write(")"); - emitEnd(node.decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - function emitDecoratorsOfMembers(node, staticFlag) { - for (var _a = 0, _b = node.members; _a < _b.length; _a++) { - var member = _b[_a]; - // only emit members in the correct group - if ((member.flags & 64 /* Static */) !== staticFlag) { - continue; - } - // skip members that cannot be decorated (such as the constructor) - if (!ts.nodeCanBeDecorated(member)) { - continue; - } - // skip an accessor declaration if it is not the first accessor - var decorators = void 0; - var functionLikeMember = void 0; - if (ts.isAccessor(member)) { - var accessors = ts.getAllAccessorDeclarations(node.members, member); - if (member !== accessors.firstAccessor) { - continue; - } - // get the decorators from the first accessor with decorators - decorators = accessors.firstAccessor.decorators; - if (!decorators && accessors.secondAccessor) { - decorators = accessors.secondAccessor.decorators; - } - // we only decorate parameters of the set accessor - functionLikeMember = accessors.setAccessor; - } - else { - decorators = member.decorators; - // we only decorate the parameters here if this is a method - if (member.kind === 144 /* MethodDeclaration */) { - functionLikeMember = member; - } - } - var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); - // skip a member if it or any of its parameters are not decorated - if (!decorators && !firstParameterDecorator) { - continue; - } - // Emit the call to __decorate. Given the following: - // - // class C { - // @dec method(@dec2 x) {} - // @dec get accessor() {} - // @dec prop; - // } - // - // The emit for a method is: - // - // __decorate([ - // dec, - // __param(0, dec2), - // __metadata("design:type", Function), - // __metadata("design:paramtypes", [Object]), - // __metadata("design:returntype", void 0) - // ], C.prototype, "method", undefined); - // - // The emit for an accessor is: - // - // __decorate([ - // dec - // ], C.prototype, "accessor", undefined); - // - // The emit for a property is: - // - // __decorate([ - // dec - // ], C.prototype, "prop"); - // - writeLine(); - emitStart(decorators || firstParameterDecorator); - write("__decorate(["); - increaseIndent(); - writeLine(); - var decoratorCount = decorators ? decorators.length : 0; - var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); - if (firstParameterDecorator) { - argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); - } - emitSerializedTypeMetadata(member, argumentsWritten > 0); - decreaseIndent(); - writeLine(); - write("], "); - emitClassMemberPrefix(node, member); - write(", "); - emitExpressionForPropertyName(member.name); - if (languageVersion > 0 /* ES3 */) { - if (member.kind !== 142 /* PropertyDeclaration */) { - // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly. - // We have this extra argument here so that we can inject an explicit property descriptor at a later date. - write(", null"); - } - else { - // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it - // should not invoke `Object.getOwnPropertyDescriptor`. - write(", void 0"); - } - } - write(")"); - emitEnd(decorators || firstParameterDecorator); - write(";"); - writeLine(); - } - } - function emitDecoratorsOfParameters(node, leadingComma) { - var argumentsWritten = 0; - if (node) { - var parameterIndex_1 = 0; - for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { - var parameter = _b[_a]; - if (ts.nodeIsDecorated(parameter)) { - var decorators = parameter.decorators; - argumentsWritten += emitList(decorators, 0, decorators.length, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ leadingComma, /*noTrailingNewLine*/ true, function (decorator) { - write("__param(" + parameterIndex_1 + ", "); - emit(decorator.expression); - write(")"); - }); - leadingComma = true; - } - parameterIndex_1++; - } - } - return argumentsWritten; - } - function shouldEmitTypeMetadata(node) { - // This method determines whether to emit the "design:type" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 144 /* MethodDeclaration */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 142 /* PropertyDeclaration */: - return true; - } - return false; - } - function shouldEmitReturnTypeMetadata(node) { - // This method determines whether to emit the "design:returntype" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 144 /* MethodDeclaration */: - return true; - } - return false; - } - function shouldEmitParamTypesMetadata(node) { - // This method determines whether to emit the "design:paramtypes" metadata based on the node's kind. - // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata - // compiler option is set. - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 144 /* MethodDeclaration */: - case 147 /* SetAccessor */: - return true; - } - return false; - } - /** Serializes the type of a declaration to an appropriate JS constructor value. Used by the __metadata decorator for a class member. */ - function emitSerializedTypeOfNode(node) { - // serialization of the type of a declaration uses the following rules: - // - // * The serialized type of a ClassDeclaration is "Function" - // * The serialized type of a ParameterDeclaration is the serialized type of its type annotation. - // * The serialized type of a PropertyDeclaration is the serialized type of its type annotation. - // * The serialized type of an AccessorDeclaration is the serialized type of the return type annotation of its getter or parameter type annotation of its setter. - // * The serialized type of any other FunctionLikeDeclaration is "Function". - // * The serialized type of any other node is "void 0". - // - // For rules on serializing type annotations, see `serializeTypeNode`. - switch (node.kind) { - case 217 /* ClassDeclaration */: - write("Function"); - return; - case 142 /* PropertyDeclaration */: - emitSerializedTypeNode(node.type); - return; - case 139 /* Parameter */: - emitSerializedTypeNode(node.type); - return; - case 146 /* GetAccessor */: - emitSerializedTypeNode(node.type); - return; - case 147 /* SetAccessor */: - emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); - return; - } - if (ts.isFunctionLike(node)) { - write("Function"); - return; - } - write("void 0"); - } - function emitSerializedTypeNode(node) { - if (node) { - switch (node.kind) { - case 103 /* VoidKeyword */: - write("void 0"); - return; - case 161 /* ParenthesizedType */: - emitSerializedTypeNode(node.type); - return; - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - write("Function"); - return; - case 157 /* ArrayType */: - case 158 /* TupleType */: - write("Array"); - return; - case 151 /* TypePredicate */: - case 120 /* BooleanKeyword */: - write("Boolean"); - return; - case 130 /* StringKeyword */: - case 163 /* StringLiteralType */: - write("String"); - return; - case 128 /* NumberKeyword */: - write("Number"); - return; - case 131 /* SymbolKeyword */: - write("Symbol"); - return; - case 152 /* TypeReference */: - emitSerializedTypeReferenceNode(node); - return; - case 155 /* TypeQuery */: - case 156 /* TypeLiteral */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - case 117 /* AnyKeyword */: - case 162 /* ThisType */: - break; - default: - ts.Debug.fail("Cannot serialize unexpected type node."); - break; - } - } - write("Object"); - } - /** Serializes a TypeReferenceNode to an appropriate JS constructor value. Used by the __metadata decorator. */ - function emitSerializedTypeReferenceNode(node) { - var location = node.parent; - while (ts.isDeclaration(location) || ts.isTypeNode(location)) { - location = location.parent; - } - // Clone the type name and parent it to a location outside of the current declaration. - var typeName = ts.cloneEntityName(node.typeName, location); - var result = resolver.getTypeReferenceSerializationKind(typeName); - switch (result) { - case ts.TypeReferenceSerializationKind.Unknown: - var temp = createAndRecordTempVariable(0 /* Auto */); - write("(typeof ("); - emitNodeWithoutSourceMap(temp); - write(" = "); - emitEntityNameAsExpression(typeName, /*useFallback*/ true); - write(") === 'function' && "); - emitNodeWithoutSourceMap(temp); - write(") || Object"); - break; - case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: - emitEntityNameAsExpression(typeName, /*useFallback*/ false); - break; - case ts.TypeReferenceSerializationKind.VoidType: - write("void 0"); - break; - case ts.TypeReferenceSerializationKind.BooleanType: - write("Boolean"); - break; - case ts.TypeReferenceSerializationKind.NumberLikeType: - write("Number"); - break; - case ts.TypeReferenceSerializationKind.StringLikeType: - write("String"); - break; - case ts.TypeReferenceSerializationKind.ArrayLikeType: - write("Array"); - break; - case ts.TypeReferenceSerializationKind.ESSymbolType: - if (languageVersion < 2 /* ES6 */) { - write("typeof Symbol === 'function' ? Symbol : Object"); - } - else { - write("Symbol"); - } - break; - case ts.TypeReferenceSerializationKind.TypeWithCallSignature: - write("Function"); - break; - case ts.TypeReferenceSerializationKind.ObjectType: - write("Object"); - break; - } - } - /** Serializes the parameter types of a function or the constructor of a class. Used by the __metadata decorator for a method or set accessor. */ - function emitSerializedParameterTypesOfNode(node) { - // serialization of parameter types uses the following rules: - // - // * If the declaration is a class, the parameters of the first constructor with a body are used. - // * If the declaration is function-like and has a body, the parameters of the function are used. - // - // For the rules on serializing the type of each parameter declaration, see `serializeTypeOfDeclaration`. - if (node) { - var valueDeclaration = void 0; - if (node.kind === 217 /* ClassDeclaration */) { - valueDeclaration = ts.getFirstConstructorWithBody(node); - } - else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { - valueDeclaration = node; - } - if (valueDeclaration) { - var parameters = valueDeclaration.parameters; - var parameterCount = parameters.length; - if (parameterCount > 0) { - for (var i = 0; i < parameterCount; i++) { - if (i > 0) { - write(", "); - } - if (parameters[i].dotDotDotToken) { - var parameterType = parameters[i].type; - if (parameterType.kind === 157 /* ArrayType */) { - parameterType = parameterType.elementType; - } - else if (parameterType.kind === 152 /* TypeReference */ && parameterType.typeArguments && parameterType.typeArguments.length === 1) { - parameterType = parameterType.typeArguments[0]; - } - else { - parameterType = undefined; - } - emitSerializedTypeNode(parameterType); - } - else { - emitSerializedTypeOfNode(parameters[i]); - } - } - } - } - } - } - /** Serializes the return type of function. Used by the __metadata decorator for a method. */ - function emitSerializedReturnTypeOfNode(node) { - if (node && ts.isFunctionLike(node) && node.type) { - emitSerializedTypeNode(node.type); - return; - } - write("void 0"); - } - function emitSerializedTypeMetadata(node, writeComma) { - // This method emits the serialized type metadata for a decorator target. - // The caller should have already tested whether the node has decorators. - var argumentsWritten = 0; - if (compilerOptions.emitDecoratorMetadata) { - if (shouldEmitTypeMetadata(node)) { - if (writeComma) { - write(", "); - } - writeLine(); - write("__metadata('design:type', "); - emitSerializedTypeOfNode(node); - write(")"); - argumentsWritten++; - } - if (shouldEmitParamTypesMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:paramtypes', ["); - emitSerializedParameterTypesOfNode(node); - write("])"); - argumentsWritten++; - } - if (shouldEmitReturnTypeMetadata(node)) { - if (writeComma || argumentsWritten) { - write(", "); - } - writeLine(); - write("__metadata('design:returntype', "); - emitSerializedReturnTypeOfNode(node); - write(")"); - argumentsWritten++; - } - } - return argumentsWritten; - } - function emitInterfaceDeclaration(node) { - emitCommentsOnNotEmittedNode(node); - } - function shouldEmitEnumDeclaration(node) { - var isConstEnum = ts.isConst(node); - return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; - } - function emitEnumDeclaration(node) { - // const enums are completely erased during compilation. - if (!shouldEmitEnumDeclaration(node)) { - return; - } - if (!shouldHoistDeclarationInSystemJsModule(node)) { - // do not emit var if variable was already hoisted - var isES6ExportedEnum = isES6ExportedDeclaration(node); - if (!(node.flags & 2 /* Export */) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220 /* EnumDeclaration */))) { - emitStart(node); - if (isES6ExportedEnum) { - write("export "); - } - write("var "); - emit(node.name); - emitEnd(node); - write(";"); - } - } - writeLine(); - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") {"); - increaseIndent(); - emitLines(node.members); - decreaseIndent(); - writeLine(); - emitToken(16 /* CloseBraceToken */, node.members.end); - write(")("); - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.flags & 2 /* Export */ && !shouldHoistDeclarationInSystemJsModule(node)) { - // do not emit var if variable was already hoisted - writeLine(); - emitStart(node); - write("var "); - emit(node.name); - write(" = "); - emitModuleMemberName(node); - emitEnd(node); - write(";"); - } - if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { - if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { - // write the call to exporter for enum - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - function emitEnumMember(node) { - var enumParent = node.parent; - emitStart(node); - write(getGeneratedNameForNode(enumParent)); - write("["); - write(getGeneratedNameForNode(enumParent)); - write("["); - emitExpressionForPropertyName(node.name); - write("] = "); - writeEnumMemberDeclarationValue(node); - write("] = "); - emitExpressionForPropertyName(node.name); - emitEnd(node); - write(";"); - } - function writeEnumMemberDeclarationValue(member) { - var value = resolver.getConstantValue(member); - if (value !== undefined) { - write(value.toString()); - return; - } - else if (member.initializer) { - emit(member.initializer); - } - else { - write("undefined"); - } - } - function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { - if (moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { - var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); - return recursiveInnerModule || moduleDeclaration.body; - } - } - function shouldEmitModuleDeclaration(node) { - return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); - } - function isModuleMergedWithES6Class(node) { - return languageVersion === 2 /* ES6 */ && !!(resolver.getNodeCheckFlags(node) & 32768 /* LexicalModuleMergesWithClass */); - } - function isFirstDeclarationOfKind(node, declarations, kind) { - return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); - } - function emitModuleDeclaration(node) { - // Emit only if this module is non-ambient. - var shouldEmit = shouldEmitModuleDeclaration(node); - if (!shouldEmit) { - return emitCommentsOnNotEmittedNode(node); - } - var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); - var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); - if (emitVarForModule) { - var isES6ExportedNamespace = isES6ExportedDeclaration(node); - if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221 /* ModuleDeclaration */)) { - emitStart(node); - if (isES6ExportedNamespace) { - write("export "); - } - write("var "); - emit(node.name); - write(";"); - emitEnd(node); - writeLine(); - } - } - emitStart(node); - write("(function ("); - emitStart(node.name); - write(getGeneratedNameForNode(node)); - emitEnd(node.name); - write(") "); - if (node.body.kind === 222 /* ModuleBlock */) { - var saveConvertedLoopState = convertedLoopState; - var saveTempFlags = tempFlags; - var saveTempVariables = tempVariables; - convertedLoopState = undefined; - tempFlags = 0; - tempVariables = undefined; - emit(node.body); - ts.Debug.assert(convertedLoopState === undefined); - convertedLoopState = saveConvertedLoopState; - tempFlags = saveTempFlags; - tempVariables = saveTempVariables; - } - else { - write("{"); - increaseIndent(); - emitCaptureThisForNodeIfNecessary(node); - writeLine(); - emit(node.body); - decreaseIndent(); - writeLine(); - var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; - emitToken(16 /* CloseBraceToken */, moduleBlock.statements.end); - } - write(")("); - // write moduleDecl = containingModule.m only if it is not exported es6 module member - if ((node.flags & 2 /* Export */) && !isES6ExportedDeclaration(node)) { - emit(node.name); - write(" = "); - } - emitModuleMemberName(node); - write(" || ("); - emitModuleMemberName(node); - write(" = {}));"); - emitEnd(node); - if (!isES6ExportedDeclaration(node) && node.name.kind === 69 /* Identifier */ && node.parent === currentSourceFile) { - if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { - writeLine(); - write(exportFunctionForFile + "(\""); - emitDeclarationName(node); - write("\", "); - emitDeclarationName(node); - write(");"); - } - emitExportMemberAssignments(node.name); - } - } - /* - * Some bundlers (SystemJS builder) sometimes want to rename dependencies. - * Here we check if alternative name was provided for a given moduleName and return it if possible. - */ - function tryRenameExternalModule(moduleName) { - if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { - return "\"" + renamedDependencies[moduleName.text] + "\""; - } - return undefined; - } - function emitRequire(moduleName) { - if (moduleName.kind === 9 /* StringLiteral */) { - write("require("); - var text = tryRenameExternalModule(moduleName); - if (text) { - write(text); - } - else { - emitStart(moduleName); - emitLiteral(moduleName); - emitEnd(moduleName); - } - emitToken(18 /* CloseParenToken */, moduleName.end); - } - else { - write("require()"); - } - } - function getNamespaceDeclarationNode(node) { - if (node.kind === 224 /* ImportEqualsDeclaration */) { - return node; - } - var importClause = node.importClause; - if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227 /* NamespaceImport */) { - return importClause.namedBindings; - } - } - function isDefaultImport(node) { - return node.kind === 225 /* ImportDeclaration */ && node.importClause && !!node.importClause.name; - } - function emitExportImportAssignments(node) { - if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - emitExportMemberAssignments(node.name); - } - ts.forEachChild(node, emitExportImportAssignments); - } - function emitImportDeclaration(node) { - if (modulekind !== 5 /* ES6 */) { - return emitExternalImportDeclaration(node); - } - // ES6 import - if (node.importClause) { - var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); - var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, /* checkChildren */ true); - if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { - write("import "); - emitStart(node.importClause); - if (shouldEmitDefaultBindings) { - emit(node.importClause.name); - if (shouldEmitNamedBindings) { - write(", "); - } - } - if (shouldEmitNamedBindings) { - emitLeadingComments(node.importClause.namedBindings); - emitStart(node.importClause.namedBindings); - if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { - write("* as "); - emit(node.importClause.namedBindings.name); - } - else { - write("{ "); - emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); - write(" }"); - } - emitEnd(node.importClause.namedBindings); - emitTrailingComments(node.importClause.namedBindings); - } - emitEnd(node.importClause); - write(" from "); - emit(node.moduleSpecifier); - write(";"); - } - } - else { - write("import "); - emit(node.moduleSpecifier); - write(";"); - } - } - function emitExternalImportDeclaration(node) { - if (ts.contains(externalImports, node)) { - var isExportedImport = node.kind === 224 /* ImportEqualsDeclaration */ && (node.flags & 2 /* Export */) !== 0; - var namespaceDeclaration = getNamespaceDeclarationNode(node); - var varOrConst = (languageVersion <= 1 /* ES5 */) ? "var " : "const "; - if (modulekind !== 2 /* AMD */) { - emitLeadingComments(node); - emitStart(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - // import x = require("foo") - // import * as x from "foo" - if (!isExportedImport) { - write(varOrConst); - } - ; - emitModuleMemberName(namespaceDeclaration); - write(" = "); - } - else { - // import "foo" - // import x from "foo" - // import { x, y } from "foo" - // import d, * as x from "foo" - // import d, { x, y } from "foo" - var isNakedImport = 225 /* ImportDeclaration */ && !node.importClause; - if (!isNakedImport) { - write(varOrConst); - write(getGeneratedNameForNode(node)); - write(" = "); - } - } - emitRequire(ts.getExternalModuleName(node)); - if (namespaceDeclaration && isDefaultImport(node)) { - // import d, * as x from "foo" - write(", "); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - else { - if (isExportedImport) { - emitModuleMemberName(namespaceDeclaration); - write(" = "); - emit(namespaceDeclaration.name); - write(";"); - } - else if (namespaceDeclaration && isDefaultImport(node)) { - // import d, * as x from "foo" - write(varOrConst); - emitModuleMemberName(namespaceDeclaration); - write(" = "); - write(getGeneratedNameForNode(node)); - write(";"); - } - emitExportImportAssignments(node); - } - } - } - function emitImportEqualsDeclaration(node) { - if (ts.isExternalModuleImportEqualsDeclaration(node)) { - emitExternalImportDeclaration(node); - return; - } - // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when - // - current file is not external module - // - import declaration is top level and target is value imported by entity name - if (resolver.isReferencedAliasDeclaration(node) || - (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { - emitLeadingComments(node); - emitStart(node); - // variable declaration for import-equals declaration can be hoisted in system modules - // in this case 'var' should be omitted and emit should contain only initialization - var variableDeclarationIsHoisted = shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ true); - // is it top level export import v = a.b.c in system module? - // if yes - it needs to be rewritten as exporter('v', v = a.b.c) - var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ true); - if (!variableDeclarationIsHoisted) { - ts.Debug.assert(!isExported); - if (isES6ExportedDeclaration(node)) { - write("export "); - write("var "); - } - else if (!(node.flags & 2 /* Export */)) { - write("var "); - } - } - if (isExported) { - write(exportFunctionForFile + "(\""); - emitNodeWithoutSourceMap(node.name); - write("\", "); - } - emitModuleMemberName(node); - write(" = "); - emit(node.moduleReference); - if (isExported) { - write(")"); - } - write(";"); - emitEnd(node); - emitExportImportAssignments(node); - emitTrailingComments(node); - } - } - function emitExportDeclaration(node) { - ts.Debug.assert(modulekind !== 4 /* System */); - if (modulekind !== 5 /* ES6 */) { - if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { - emitStart(node); - var generatedName = getGeneratedNameForNode(node); - if (node.exportClause) { - // export { x, y, ... } from "foo" - if (modulekind !== 2 /* AMD */) { - write("var "); - write(generatedName); - write(" = "); - emitRequire(ts.getExternalModuleName(node)); - write(";"); - } - for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { - var specifier = _b[_a]; - if (resolver.isValueAliasDeclaration(specifier)) { - writeLine(); - emitStart(specifier); - emitContainingModuleName(specifier); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.name); - write(" = "); - write(generatedName); - write("."); - emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); - write(";"); - emitEnd(specifier); - } - } - } - else { - // export * from "foo" - if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - writeLine(); - write("__export("); - if (modulekind !== 2 /* AMD */) { - emitRequire(ts.getExternalModuleName(node)); - } - else { - write(generatedName); - } - write(");"); - } - } - emitEnd(node); - } - } - else { - if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { - write("export "); - if (node.exportClause) { - // export { x, y, ... } - write("{ "); - emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); - write(" }"); - } - else { - write("*"); - } - if (node.moduleSpecifier) { - write(" from "); - emit(node.moduleSpecifier); - } - write(";"); - } - } - } - function emitExportOrImportSpecifierList(specifiers, shouldEmit) { - ts.Debug.assert(modulekind === 5 /* ES6 */); - var needsComma = false; - for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { - var specifier = specifiers_1[_a]; - if (shouldEmit(specifier)) { - if (needsComma) { - write(", "); - } - if (specifier.propertyName) { - emit(specifier.propertyName); - write(" as "); - } - emit(specifier.name); - needsComma = true; - } - } - } - function emitExportAssignment(node) { - if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { - if (modulekind === 5 /* ES6 */) { - writeLine(); - emitStart(node); - write("export default "); - var expression = node.expression; - emit(expression); - if (expression.kind !== 216 /* FunctionDeclaration */ && - expression.kind !== 217 /* ClassDeclaration */) { - write(";"); - } - emitEnd(node); - } - else { - writeLine(); - emitStart(node); - if (modulekind === 4 /* System */) { - write(exportFunctionForFile + "(\"default\","); - emit(node.expression); - write(")"); - } - else { - emitEs6ExportDefaultCompat(node); - emitContainingModuleName(node); - if (languageVersion === 0 /* ES3 */) { - write("[\"default\"] = "); - } - else { - write(".default = "); - } - emit(node.expression); - } - write(";"); - emitEnd(node); - } - } - } - function collectExternalModuleInfo(sourceFile) { - externalImports = []; - exportSpecifiers = {}; - exportEquals = undefined; - hasExportStarsToExportValues = false; - for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { - var node = _b[_a]; - switch (node.kind) { - case 225 /* ImportDeclaration */: - if (!node.importClause || - resolver.isReferencedAliasDeclaration(node.importClause, /*checkChildren*/ true)) { - // import "mod" - // import x from "mod" where x is referenced - // import * as x from "mod" where x is referenced - // import { x, y } from "mod" where at least one import is referenced - externalImports.push(node); - } - break; - case 224 /* ImportEqualsDeclaration */: - if (node.moduleReference.kind === 235 /* ExternalModuleReference */ && resolver.isReferencedAliasDeclaration(node)) { - // import x = require("mod") where x is referenced - externalImports.push(node); - } - break; - case 231 /* ExportDeclaration */: - if (node.moduleSpecifier) { - if (!node.exportClause) { - // export * from "mod" - if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { - externalImports.push(node); - hasExportStarsToExportValues = true; - } - } - else if (resolver.isValueAliasDeclaration(node)) { - // export { x, y } from "mod" where at least one export is a value symbol - externalImports.push(node); - } - } - else { - // export { x, y } - for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { - var specifier = _d[_c]; - var name_28 = (specifier.propertyName || specifier.name).text; - (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); - } - } - break; - case 230 /* ExportAssignment */: - if (node.isExportEquals && !exportEquals) { - // export = x - exportEquals = node; - } - break; - } - } - } - function emitExportStarHelper() { - if (hasExportStarsToExportValues) { - writeLine(); - write("function __export(m) {"); - increaseIndent(); - writeLine(); - write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); - decreaseIndent(); - writeLine(); - write("}"); - } - } - function getLocalNameForExternalImport(node) { - var namespaceDeclaration = getNamespaceDeclarationNode(node); - if (namespaceDeclaration && !isDefaultImport(node)) { - return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); - } - if (node.kind === 225 /* ImportDeclaration */ && node.importClause) { - return getGeneratedNameForNode(node); - } - if (node.kind === 231 /* ExportDeclaration */ && node.moduleSpecifier) { - return getGeneratedNameForNode(node); - } - } - function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { - if (emitRelativePathAsModuleName) { - var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); - if (name_29) { - return "\"" + name_29 + "\""; - } - } - var moduleName = ts.getExternalModuleName(importNode); - if (moduleName.kind === 9 /* StringLiteral */) { - return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); - } - return undefined; - } - function emitVariableDeclarationsForImports() { - if (externalImports.length === 0) { - return; - } - writeLine(); - var started = false; - for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { - var importNode = externalImports_1[_a]; - // do not create variable declaration for exports and imports that lack import clause - var skipNode = importNode.kind === 231 /* ExportDeclaration */ || - (importNode.kind === 225 /* ImportDeclaration */ && !importNode.importClause); - if (skipNode) { - continue; - } - if (!started) { - write("var "); - started = true; - } - else { - write(", "); - } - write(getLocalNameForExternalImport(importNode)); - } - if (started) { - write(";"); - } - } - function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { - // when resolving exports local exported entries/indirect exported entries in the module - // should always win over entries with similar names that were added via star exports - // to support this we store names of local/indirect exported entries in a set. - // this set is used to filter names brought by star expors. - if (!hasExportStarsToExportValues) { - // local names set is needed only in presence of star exports - return undefined; - } - // local names set should only be added if we have anything exported - if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { - // no exported declarations (export var ...) or export specifiers (export {x}) - // check if we have any non star export declarations. - var hasExportDeclarationWithExportClause = false; - for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { - var externalImport = externalImports_2[_a]; - if (externalImport.kind === 231 /* ExportDeclaration */ && externalImport.exportClause) { - hasExportDeclarationWithExportClause = true; - break; - } - } - if (!hasExportDeclarationWithExportClause) { - // we still need to emit exportStar helper - return emitExportStarFunction(/*localNames*/ undefined); - } - } - var exportedNamesStorageRef = makeUniqueName("exportedNames"); - writeLine(); - write("var " + exportedNamesStorageRef + " = {"); - increaseIndent(); - var started = false; - if (exportedDeclarations) { - for (var i = 0; i < exportedDeclarations.length; i++) { - // write name of exported declaration, i.e 'export var x...' - writeExportedName(exportedDeclarations[i]); - } - } - if (exportSpecifiers) { - for (var n in exportSpecifiers) { - for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { - var specifier = _c[_b]; - // write name of export specified, i.e. 'export {x}' - writeExportedName(specifier.name); - } - } - } - for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { - var externalImport = externalImports_3[_d]; - if (externalImport.kind !== 231 /* ExportDeclaration */) { - continue; - } - var exportDecl = externalImport; - if (!exportDecl.exportClause) { - // export * from ... - continue; - } - for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { - var element = _f[_e]; - // write name of indirectly exported entry, i.e. 'export {x} from ...' - writeExportedName(element.name || element.propertyName); - } - } - decreaseIndent(); - writeLine(); - write("};"); - return emitExportStarFunction(exportedNamesStorageRef); - function emitExportStarFunction(localNames) { - var exportStarFunction = makeUniqueName("exportStar"); - writeLine(); - // define an export star helper function - write("function " + exportStarFunction + "(m) {"); - increaseIndent(); - writeLine(); - write("var exports = {};"); - writeLine(); - write("for(var n in m) {"); - increaseIndent(); - writeLine(); - write("if (n !== \"default\""); - if (localNames) { - write("&& !" + localNames + ".hasOwnProperty(n)"); - } - write(") exports[n] = m[n];"); - decreaseIndent(); - writeLine(); - write("}"); - writeLine(); - write(exportFunctionForFile + "(exports);"); - decreaseIndent(); - writeLine(); - write("}"); - return exportStarFunction; - } - function writeExportedName(node) { - // do not record default exports - // they are local to module and never overwritten (explicitly skipped) by star export - if (node.kind !== 69 /* Identifier */ && node.flags & 512 /* Default */) { - return; - } - if (started) { - write(","); - } - else { - started = true; - } - writeLine(); - write("'"); - if (node.kind === 69 /* Identifier */) { - emitNodeWithCommentsAndWithoutSourcemap(node); - } - else { - emitDeclarationName(node); - } - write("': true"); - } - } - function processTopLevelVariableAndFunctionDeclarations(node) { - // per ES6 spec: - // 15.2.1.16.4 ModuleDeclarationInstantiation() Concrete Method - // - var declarations are initialized to undefined - 14.a.ii - // - function/generator declarations are instantiated - 16.a.iv - // this means that after module is instantiated but before its evaluation - // exported functions are already accessible at import sites - // in theory we should hoist only exported functions and its dependencies - // in practice to simplify things we'll hoist all source level functions and variable declaration - // including variables declarations for module and class declarations - var hoistedVars; - var hoistedFunctionDeclarations; - var exportedDeclarations; - visit(node); - if (hoistedVars) { - writeLine(); - write("var "); - var seen = {}; - for (var i = 0; i < hoistedVars.length; i++) { - var local = hoistedVars[i]; - var name_30 = local.kind === 69 /* Identifier */ - ? local - : local.name; - if (name_30) { - // do not emit duplicate entries (in case of declaration merging) in the list of hoisted variables - var text = ts.unescapeIdentifier(name_30.text); - if (ts.hasProperty(seen, text)) { - continue; - } - else { - seen[text] = text; - } - } - if (i !== 0) { - write(", "); - } - if (local.kind === 217 /* ClassDeclaration */ || local.kind === 221 /* ModuleDeclaration */ || local.kind === 220 /* EnumDeclaration */) { - emitDeclarationName(local); - } - else { - emit(local); - } - var flags = ts.getCombinedNodeFlags(local.kind === 69 /* Identifier */ ? local.parent : local); - if (flags & 2 /* Export */) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(local); - } - } - write(";"); - } - if (hoistedFunctionDeclarations) { - for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { - var f = hoistedFunctionDeclarations_1[_a]; - writeLine(); - emit(f); - if (f.flags & 2 /* Export */) { - if (!exportedDeclarations) { - exportedDeclarations = []; - } - exportedDeclarations.push(f); - } - } - } - return exportedDeclarations; - function visit(node) { - if (node.flags & 4 /* Ambient */) { - return; - } - if (node.kind === 216 /* FunctionDeclaration */) { - if (!hoistedFunctionDeclarations) { - hoistedFunctionDeclarations = []; - } - hoistedFunctionDeclarations.push(node); - return; - } - if (node.kind === 217 /* ClassDeclaration */) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - return; - } - if (node.kind === 220 /* EnumDeclaration */) { - if (shouldEmitEnumDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 221 /* ModuleDeclaration */) { - if (shouldEmitModuleDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node); - } - return; - } - if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { - if (shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ false)) { - var name_31 = node.name; - if (name_31.kind === 69 /* Identifier */) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(name_31); - } - else { - ts.forEachChild(name_31, visit); - } - } - return; - } - if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { - if (!hoistedVars) { - hoistedVars = []; - } - hoistedVars.push(node.name); - return; - } - if (ts.isBindingPattern(node)) { - ts.forEach(node.elements, visit); - return; - } - if (!ts.isDeclaration(node)) { - ts.forEachChild(node, visit); - } - } - } - function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { - if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { - return false; - } - // hoist variable if - // - it is not block scoped - // - it is top level block scoped - // if block scoped variables are nested in some another block then - // no other functions can use them except ones that are defined at least in the same block - return (ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) === 0 || - ts.getEnclosingBlockScopeContainer(node).kind === 251 /* SourceFile */; - } - function isCurrentFileSystemExternalModule() { - return modulekind === 4 /* System */ && isCurrentFileExternalModule; - } - function emitSystemModuleBody(node, dependencyGroups, startIndex) { - // shape of the body in system modules: - // function (exports) { - // - // - // - // return { - // setters: [ - // - // ], - // execute: function() { - // - // } - // } - // - // } - // I.e: - // import {x} from 'file1' - // var y = 1; - // export function foo() { return y + x(); } - // console.log(y); - // will be transformed to - // function(exports) { - // var file1; // local alias - // var y; - // function foo() { return y + file1.x(); } - // exports("foo", foo); - // return { - // setters: [ - // function(v) { file1 = v } - // ], - // execute(): function() { - // y = 1; - // console.log(y); - // } - // }; - // } - emitVariableDeclarationsForImports(); - writeLine(); - var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); - var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); - writeLine(); - write("return {"); - increaseIndent(); - writeLine(); - emitSetters(exportStarFunction, dependencyGroups); - writeLine(); - emitExecute(node, startIndex); - decreaseIndent(); - writeLine(); - write("}"); // return - emitTempDeclarations(/*newLine*/ true); - } - function emitSetters(exportStarFunction, dependencyGroups) { - write("setters:["); - for (var i = 0; i < dependencyGroups.length; i++) { - if (i !== 0) { - write(","); - } - writeLine(); - increaseIndent(); - var group = dependencyGroups[i]; - // derive a unique name for parameter from the first named entry in the group - var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); - write("function (" + parameterName + ") {"); - increaseIndent(); - for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { - var entry = group_1[_a]; - var importVariableName = getLocalNameForExternalImport(entry) || ""; - switch (entry.kind) { - case 225 /* ImportDeclaration */: - if (!entry.importClause) { - // 'import "..."' case - // module is imported only for side-effects, no emit required - break; - } - // fall-through - case 224 /* ImportEqualsDeclaration */: - ts.Debug.assert(importVariableName !== ""); - writeLine(); - // save import into the local - write(importVariableName + " = " + parameterName + ";"); - writeLine(); - break; - case 231 /* ExportDeclaration */: - ts.Debug.assert(importVariableName !== ""); - if (entry.exportClause) { - // export {a, b as c} from 'foo' - // emit as: - // exports_({ - // "a": _["a"], - // "c": _["b"] - // }); - writeLine(); - write(exportFunctionForFile + "({"); - writeLine(); - increaseIndent(); - for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { - if (i_1 !== 0) { - write(","); - writeLine(); - } - var e = entry.exportClause.elements[i_1]; - write("\""); - emitNodeWithCommentsAndWithoutSourcemap(e.name); - write("\": " + parameterName + "[\""); - emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); - write("\"]"); - } - decreaseIndent(); - writeLine(); - write("});"); - } - else { - // collectExternalModuleInfo prefilters star exports to keep only ones that export values - // this means that check 'resolver.moduleExportsSomeValue' is redundant and can be omitted here - writeLine(); - // export * from 'foo' - // emit as: - // exportStar(_foo); - write(exportStarFunction + "(" + parameterName + ");"); - } - writeLine(); - break; - } - } - decreaseIndent(); - write("}"); - decreaseIndent(); - } - write("],"); - } - function emitExecute(node, startIndex) { - write("execute: function() {"); - increaseIndent(); - writeLine(); - for (var i = startIndex; i < node.statements.length; i++) { - var statement = node.statements[i]; - switch (statement.kind) { - // - function declarations are not emitted because they were already hoisted - // - import declarations are not emitted since they are already handled in setters - // - export declarations with module specifiers are not emitted since they were already written in setters - // - export declarations without module specifiers are emitted preserving the order - case 216 /* FunctionDeclaration */: - case 225 /* ImportDeclaration */: - continue; - case 231 /* ExportDeclaration */: - if (!statement.moduleSpecifier) { - for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { - var element = _b[_a]; - // write call to exporter function for every export specifier in exports list - emitExportSpecifierInSystemModule(element); - } - } - continue; - case 224 /* ImportEqualsDeclaration */: - if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { - // - import equals declarations that import external modules are not emitted - continue; - } - // fall-though for import declarations that import internal modules - default: - writeLine(); - emit(statement); - } - } - decreaseIndent(); - writeLine(); - write("}"); // execute - } - function writeModuleName(node, emitRelativePathAsModuleName) { - var moduleName = node.moduleName; - if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { - write("\"" + moduleName + "\", "); - } - } - function emitSystemModule(node, emitRelativePathAsModuleName) { - collectExternalModuleInfo(node); - // System modules has the following shape - // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) - // 'exports' here is a function 'exports(name: string, value: T): T' that is used to publish exported values. - // 'exports' returns its 'value' argument so in most cases expressions - // that mutate exported values can be rewritten as: - // expr -> exports('name', expr). - // The only exception in this rule is postfix unary operators, - // see comment to 'emitPostfixUnaryExpression' for more details - ts.Debug.assert(!exportFunctionForFile); - // make sure that name of 'exports' function does not conflict with existing identifiers - exportFunctionForFile = makeUniqueName("exports"); - contextObjectForFile = makeUniqueName("context"); - writeLine(); - write("System.register("); - writeModuleName(node, emitRelativePathAsModuleName); - write("["); - var groupIndices = {}; - var dependencyGroups = []; - for (var i = 0; i < externalImports.length; i++) { - var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); - if (text === undefined) { - continue; - } - // text should be quoted string - // for deduplication purposes in key remove leading and trailing quotes so 'a' and "a" will be considered the same - var key = text.substr(1, text.length - 2); - if (ts.hasProperty(groupIndices, key)) { - // deduplicate/group entries in dependency list by the dependency name - var groupIndex = groupIndices[key]; - dependencyGroups[groupIndex].push(externalImports[i]); - continue; - } - else { - groupIndices[key] = dependencyGroups.length; - dependencyGroups.push([externalImports[i]]); - } - if (i !== 0) { - write(", "); - } - write(text); - } - write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); - writeLine(); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - writeLine(); - write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); - writeLine(); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitSystemModuleBody(node, dependencyGroups, startIndex); - decreaseIndent(); - writeLine(); - write("});"); - } - function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - // names of modules with corresponding parameter in the factory function - var aliasedModuleNames = []; - // names of modules with no corresponding parameters in factory function - var unaliasedModuleNames = []; - var importAliasNames = []; // names of the parameters in the factory function; these - // parameters need to match the indexes of the corresponding - // module names in aliasedModuleNames. - // Fill in amd-dependency tags - for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { - var amdDependency = _b[_a]; - if (amdDependency.name) { - aliasedModuleNames.push("\"" + amdDependency.path + "\""); - importAliasNames.push(amdDependency.name); - } - else { - unaliasedModuleNames.push("\"" + amdDependency.path + "\""); - } - } - for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { - var importNode = externalImports_4[_c]; - // Find the name of the external module - var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); - // Find the name of the module alias, if there is one - var importAliasName = getLocalNameForExternalImport(importNode); - if (includeNonAmdDependencies && importAliasName) { - aliasedModuleNames.push(externalModuleName); - importAliasNames.push(importAliasName); - } - else { - unaliasedModuleNames.push(externalModuleName); - } - } - return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; - } - function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { - // An AMD define function has the following shape: - // define(id?, dependencies?, factory); - // - // This has the shape of - // define(name, ["module1", "module2"], function (module1Alias) { - // The location of the alias in the parameter list in the factory function needs to - // match the position of the module name in the dependency list. - // - // To ensure this is true in cases of modules with no aliases, e.g.: - // `import "module"` or `` - // we need to add modules without alias names to the end of the dependencies list - var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); - emitAMDDependencyList(dependencyNames); - write(", "); - emitAMDFactoryHeader(dependencyNames); - } - function emitAMDDependencyList(_a) { - var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; - write("[\"require\", \"exports\""); - if (aliasedModuleNames.length) { - write(", "); - write(aliasedModuleNames.join(", ")); - } - if (unaliasedModuleNames.length) { - write(", "); - write(unaliasedModuleNames.join(", ")); - } - write("]"); - } - function emitAMDFactoryHeader(_a) { - var importAliasNames = _a.importAliasNames; - write("function (require, exports"); - if (importAliasNames.length) { - write(", "); - write(importAliasNames.join(", ")); - } - write(") {"); - } - function emitAMDModule(node, emitRelativePathAsModuleName) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - writeLine(); - write("define("); - writeModuleName(node, emitRelativePathAsModuleName); - emitAMDDependencies(node, /*includeNonAmdDependencies*/ true, emitRelativePathAsModuleName); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitCommonJSModule(node) { - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitEmitHelpers(node); - collectExternalModuleInfo(node); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ false); - } - function emitUMDModule(node) { - emitEmitHelpers(node); - collectExternalModuleInfo(node); - var dependencyNames = getAMDDependencyNames(node, /*includeNonAmdDependencies*/ false); - // Module is detected first to support Browserify users that load into a browser with an AMD loader - writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); - emitAMDDependencyList(dependencyNames); - write(", factory);"); - writeLines(" }\n})("); - emitAMDFactoryHeader(dependencyNames); - increaseIndent(); - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); - emitExportStarHelper(); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - emitExportEquals(/*emitAsReturn*/ true); - decreaseIndent(); - writeLine(); - write("});"); - } - function emitES6Module(node) { - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - // Emit exportDefault if it exists will happen as part - // or normal statement emit. - } - function emitExportEquals(emitAsReturn) { - if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { - writeLine(); - emitStart(exportEquals); - write(emitAsReturn ? "return " : "module.exports = "); - emit(exportEquals.expression); - write(";"); - emitEnd(exportEquals); - } - } - function emitJsxElement(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - jsxEmitReact(node); - break; - case 1 /* Preserve */: - // Fall back to preserve if None was specified (we'll error earlier) - default: - jsxEmitPreserve(node); - break; - } - } - function trimReactWhitespaceAndApplyEntities(node) { - var result = undefined; - var text = ts.getTextOfNode(node, /*includeTrivia*/ true); - var firstNonWhitespace = 0; - var lastNonWhitespace = -1; - // JSX trims whitespace at the end and beginning of lines, except that the - // start/end of a tag is considered a start/end of a line only if that line is - // on the same line as the closing tag. See examples in tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx - for (var i = 0; i < text.length; i++) { - var c = text.charCodeAt(i); - if (ts.isLineBreak(c)) { - if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { - var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - firstNonWhitespace = -1; - } - else if (!ts.isWhiteSpace(c)) { - lastNonWhitespace = i; - if (firstNonWhitespace === -1) { - firstNonWhitespace = i; - } - } - } - if (firstNonWhitespace !== -1) { - var part = text.substr(firstNonWhitespace); - result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); - } - if (result) { - // Replace entities like   - result = result.replace(/&(\w+);/g, function (s, m) { - if (entities[m] !== undefined) { - var ch = String.fromCharCode(entities[m]); - // " needs to be escaped - return ch === "\"" ? "\\\"" : ch; - } - else { - return s; - } - }); - } - return result; - } - function getTextToEmit(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - var text = trimReactWhitespaceAndApplyEntities(node); - if (text === undefined || text.length === 0) { - return undefined; - } - else { - return text; - } - case 1 /* Preserve */: - default: - return ts.getTextOfNode(node, /*includeTrivia*/ true); - } - } - function emitJsxText(node) { - switch (compilerOptions.jsx) { - case 2 /* React */: - write("\""); - write(trimReactWhitespaceAndApplyEntities(node)); - write("\""); - break; - case 1 /* Preserve */: - default: - writer.writeLiteral(ts.getTextOfNode(node, /*includeTrivia*/ true)); - break; - } - } - function emitJsxExpression(node) { - if (node.expression) { - switch (compilerOptions.jsx) { - case 1 /* Preserve */: - default: - write("{"); - emit(node.expression); - write("}"); - break; - case 2 /* React */: - emit(node.expression); - break; - } - } - } - function isUseStrictPrologue(node) { - return !!node.expression.text.match(/use strict/); - } - function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { - if (writeUseStrict) { - if (startWithNewLine) { - writeLine(); - } - write("\"use strict\";"); - } - } - function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { - var foundUseStrict = false; - for (var i = 0; i < statements.length; i++) { - if (ts.isPrologueDirective(statements[i])) { - if (isUseStrictPrologue(statements[i])) { - foundUseStrict = true; - } - if (startWithNewLine || i > 0) { - writeLine(); - } - emit(statements[i]); - } - else { - ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); - // return index of the first non prologue directive - return i; - } - } - ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); - return statements.length; - } - function writeLines(text) { - var lines = text.split(/\r\n|\r|\n/g); - for (var i = 0; i < lines.length; i++) { - var line = lines[i]; - if (line.length) { - writeLine(); - write(line); - } - } - } - function emitEmitHelpers(node) { - // Only emit helpers if the user did not say otherwise. - if (!compilerOptions.noEmitHelpers) { - // Only Emit __extends function when target ES5. - // For target ES6 and above, we can emit classDeclaration as is. - if ((languageVersion < 2 /* ES6 */) && (!extendsEmitted && node.flags & 4194304 /* HasClassExtends */)) { - writeLines(extendsHelper); - extendsEmitted = true; - } - if (!decorateEmitted && node.flags & 8388608 /* HasDecorators */) { - writeLines(decorateHelper); - if (compilerOptions.emitDecoratorMetadata) { - writeLines(metadataHelper); - } - decorateEmitted = true; - } - if (!paramEmitted && node.flags & 16777216 /* HasParamDecorators */) { - writeLines(paramHelper); - paramEmitted = true; - } - if (!awaiterEmitted && node.flags & 33554432 /* HasAsyncFunctions */) { - writeLines(awaiterHelper); - awaiterEmitted = true; - } - } - } - function emitSourceFileNode(node) { - // Start new file on new line - writeLine(); - emitShebang(); - emitDetachedCommentsAndUpdateCommentsInfo(node); - if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { - if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { - var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1 /* CommonJS */]; - emitModule(node); - } - else { - bundleEmitDelegates[modulekind](node, /*emitRelativePathAsModuleName*/ true); - } - } - else { - // emit prologue directives prior to __extends - var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); - externalImports = undefined; - exportSpecifiers = undefined; - exportEquals = undefined; - hasExportStarsToExportValues = false; - emitEmitHelpers(node); - emitCaptureThisForNodeIfNecessary(node); - emitLinesStartingAt(node.statements, startIndex); - emitTempDeclarations(/*newLine*/ true); - } - emitLeadingComments(node.endOfFileToken); - } - function emit(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); - } - function emitNodeWithCommentsAndWithoutSourcemap(node) { - emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); - } - function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { - if (node) { - if (node.flags & 4 /* Ambient */) { - return emitCommentsOnNotEmittedNode(node); - } - if (isSpecializedCommentHandling(node)) { - // This is the node that will handle its own comments and sourcemap - return emitNodeWithoutSourceMap(node); - } - var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); - if (emitComments_1) { - emitLeadingComments(node); - } - emitNodeConsideringSourcemap(node); - if (emitComments_1) { - emitTrailingComments(node); - } - } - } - function emitNodeWithSourceMap(node) { - if (node) { - emitStart(node); - emitNodeWithoutSourceMap(node); - emitEnd(node); - } - } - function emitNodeWithoutSourceMap(node) { - if (node) { - emitJavaScriptWorker(node); - } - } - function changeSourceMapEmit(writer) { - sourceMap = writer; - emitStart = writer.emitStart; - emitEnd = writer.emitEnd; - emitPos = writer.emitPos; - setSourceFile = writer.setSourceFile; - } - function withTemporaryNoSourceMap(callback) { - var prevSourceMap = sourceMap; - setSourceMapWriterEmit(ts.getNullSourceMapWriter()); - callback(); - setSourceMapWriterEmit(prevSourceMap); - } - function isSpecializedCommentHandling(node) { - switch (node.kind) { - // All of these entities are emitted in a specialized fashion. As such, we allow - // the specialized methods for each to handle the comments on the nodes. - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 230 /* ExportAssignment */: - return true; - } - } - function shouldEmitLeadingAndTrailingComments(node) { - switch (node.kind) { - case 196 /* VariableStatement */: - return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); - case 221 /* ModuleDeclaration */: - // Only emit the leading/trailing comments for a module if we're actually - // emitting the module as well. - return shouldEmitModuleDeclaration(node); - case 220 /* EnumDeclaration */: - // Only emit the leading/trailing comments for an enum if we're actually - // emitting the module as well. - return shouldEmitEnumDeclaration(node); - } - // If the node is emitted in specialized fashion, dont emit comments as this node will handle - // emitting comments when emitting itself - ts.Debug.assert(!isSpecializedCommentHandling(node)); - // If this is the expression body of an arrow function that we're down-leveling, - // then we don't want to emit comments when we emit the body. It will have already - // been taken care of when we emitted the 'return' statement for the function - // expression body. - if (node.kind !== 195 /* Block */ && - node.parent && - node.parent.kind === 177 /* ArrowFunction */ && - node.parent.body === node && - compilerOptions.target <= 1 /* ES5 */) { - return false; - } - // Emit comments for everything else. - return true; - } - function emitJavaScriptWorker(node) { - // Check if the node can be emitted regardless of the ScriptTarget - switch (node.kind) { - case 69 /* Identifier */: - return emitIdentifier(node); - case 139 /* Parameter */: - return emitParameter(node); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return emitMethod(node); - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return emitAccessor(node); - case 97 /* ThisKeyword */: - return emitThis(node); - case 95 /* SuperKeyword */: - return emitSuper(node); - case 93 /* NullKeyword */: - return write("null"); - case 99 /* TrueKeyword */: - return write("true"); - case 84 /* FalseKeyword */: - return write("false"); - case 8 /* NumericLiteral */: - case 9 /* StringLiteral */: - case 10 /* RegularExpressionLiteral */: - case 11 /* NoSubstitutionTemplateLiteral */: - case 12 /* TemplateHead */: - case 13 /* TemplateMiddle */: - case 14 /* TemplateTail */: - return emitLiteral(node); - case 186 /* TemplateExpression */: - return emitTemplateExpression(node); - case 193 /* TemplateSpan */: - return emitTemplateSpan(node); - case 236 /* JsxElement */: - case 237 /* JsxSelfClosingElement */: - return emitJsxElement(node); - case 239 /* JsxText */: - return emitJsxText(node); - case 243 /* JsxExpression */: - return emitJsxExpression(node); - case 136 /* QualifiedName */: - return emitQualifiedName(node); - case 164 /* ObjectBindingPattern */: - return emitObjectBindingPattern(node); - case 165 /* ArrayBindingPattern */: - return emitArrayBindingPattern(node); - case 166 /* BindingElement */: - return emitBindingElement(node); - case 167 /* ArrayLiteralExpression */: - return emitArrayLiteral(node); - case 168 /* ObjectLiteralExpression */: - return emitObjectLiteral(node); - case 248 /* PropertyAssignment */: - return emitPropertyAssignment(node); - case 249 /* ShorthandPropertyAssignment */: - return emitShorthandPropertyAssignment(node); - case 137 /* ComputedPropertyName */: - return emitComputedPropertyName(node); - case 169 /* PropertyAccessExpression */: - return emitPropertyAccess(node); - case 170 /* ElementAccessExpression */: - return emitIndexedAccess(node); - case 171 /* CallExpression */: - return emitCallExpression(node); - case 172 /* NewExpression */: - return emitNewExpression(node); - case 173 /* TaggedTemplateExpression */: - return emitTaggedTemplateExpression(node); - case 174 /* TypeAssertionExpression */: - return emit(node.expression); - case 192 /* AsExpression */: - return emit(node.expression); - case 175 /* ParenthesizedExpression */: - return emitParenExpression(node); - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return emitFunctionDeclaration(node); - case 178 /* DeleteExpression */: - return emitDeleteExpression(node); - case 179 /* TypeOfExpression */: - return emitTypeOfExpression(node); - case 180 /* VoidExpression */: - return emitVoidExpression(node); - case 181 /* AwaitExpression */: - return emitAwaitExpression(node); - case 182 /* PrefixUnaryExpression */: - return emitPrefixUnaryExpression(node); - case 183 /* PostfixUnaryExpression */: - return emitPostfixUnaryExpression(node); - case 184 /* BinaryExpression */: - return emitBinaryExpression(node); - case 185 /* ConditionalExpression */: - return emitConditionalExpression(node); - case 188 /* SpreadElementExpression */: - return emitSpreadElementExpression(node); - case 187 /* YieldExpression */: - return emitYieldExpression(node); - case 190 /* OmittedExpression */: - return; - case 195 /* Block */: - case 222 /* ModuleBlock */: - return emitBlock(node); - case 196 /* VariableStatement */: - return emitVariableStatement(node); - case 197 /* EmptyStatement */: - return write(";"); - case 198 /* ExpressionStatement */: - return emitExpressionStatement(node); - case 199 /* IfStatement */: - return emitIfStatement(node); - case 200 /* DoStatement */: - return emitDoStatement(node); - case 201 /* WhileStatement */: - return emitWhileStatement(node); - case 202 /* ForStatement */: - return emitForStatement(node); - case 204 /* ForOfStatement */: - case 203 /* ForInStatement */: - return emitForInOrForOfStatement(node); - case 205 /* ContinueStatement */: - case 206 /* BreakStatement */: - return emitBreakOrContinueStatement(node); - case 207 /* ReturnStatement */: - return emitReturnStatement(node); - case 208 /* WithStatement */: - return emitWithStatement(node); - case 209 /* SwitchStatement */: - return emitSwitchStatement(node); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - return emitCaseOrDefaultClause(node); - case 210 /* LabeledStatement */: - return emitLabeledStatement(node); - case 211 /* ThrowStatement */: - return emitThrowStatement(node); - case 212 /* TryStatement */: - return emitTryStatement(node); - case 247 /* CatchClause */: - return emitCatchClause(node); - case 213 /* DebuggerStatement */: - return emitDebuggerStatement(node); - case 214 /* VariableDeclaration */: - return emitVariableDeclaration(node); - case 189 /* ClassExpression */: - return emitClassExpression(node); - case 217 /* ClassDeclaration */: - return emitClassDeclaration(node); - case 218 /* InterfaceDeclaration */: - return emitInterfaceDeclaration(node); - case 220 /* EnumDeclaration */: - return emitEnumDeclaration(node); - case 250 /* EnumMember */: - return emitEnumMember(node); - case 221 /* ModuleDeclaration */: - return emitModuleDeclaration(node); - case 225 /* ImportDeclaration */: - return emitImportDeclaration(node); - case 224 /* ImportEqualsDeclaration */: - return emitImportEqualsDeclaration(node); - case 231 /* ExportDeclaration */: - return emitExportDeclaration(node); - case 230 /* ExportAssignment */: - return emitExportAssignment(node); - case 251 /* SourceFile */: - return emitSourceFileNode(node); - } - } - function hasDetachedComments(pos) { - return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; - } - function getLeadingCommentsWithoutDetachedComments() { - // get the leading comments from detachedPos - var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); - if (detachedCommentsInfo.length - 1) { - detachedCommentsInfo.pop(); - } - else { - detachedCommentsInfo = undefined; - } - return leadingComments; - } - /** - * Determine if the given comment is a triple-slash - * - * @return true if the comment is a triple-slash comment else false - **/ - function isTripleSlashComment(comment) { - // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text - // so that we don't end up computing comment string and doing match for all // comments - if (currentText.charCodeAt(comment.pos + 1) === 47 /* slash */ && - comment.pos + 2 < comment.end && - currentText.charCodeAt(comment.pos + 2) === 47 /* slash */) { - var textSubStr = currentText.substring(comment.pos, comment.end); - return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || - textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? - true : false; - } - return false; - } - function getLeadingCommentsToEmit(node) { - // Emit the leading comments only if the parent's pos doesn't match because parent should take care of emitting these comments - if (node.parent) { - if (node.parent.kind === 251 /* SourceFile */ || node.pos !== node.parent.pos) { - if (hasDetachedComments(node.pos)) { - // get comments without detached comments - return getLeadingCommentsWithoutDetachedComments(); - } - else { - // get the leading comments from the node - return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); - } - } - } - } - function getTrailingCommentsToEmit(node) { - // Emit the trailing comments only if the parent's pos doesn't match because parent should take care of emitting these comments - if (node.parent) { - if (node.parent.kind === 251 /* SourceFile */ || node.end !== node.parent.end) { - return ts.getTrailingCommentRanges(currentText, node.end); - } - } - } - /** - * Emit comments associated with node that will not be emitted into JS file - */ - function emitCommentsOnNotEmittedNode(node) { - emitLeadingCommentsWorker(node, /*isEmittedNode*/ false); - } - function emitLeadingComments(node) { - return emitLeadingCommentsWorker(node, /*isEmittedNode*/ true); - } - function emitLeadingCommentsWorker(node, isEmittedNode) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (isEmittedNode) { - leadingComments = getLeadingCommentsToEmit(node); - } - else { - // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node, - // unless it is a triple slash comment at the top of the file. - // For Example: - // /// - // declare var x; - // /// - // interface F {} - // The first /// will NOT be removed while the second one will be removed eventhough both node will not be emitted - if (node.pos === 0) { - leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); - } - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); - // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitTrailingComments(node) { - if (compilerOptions.removeComments) { - return; - } - // Emit the trailing comments only if the parent's end doesn't match - var trailingComments = getTrailingCommentsToEmit(node); - // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ - ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ false, newLine, writeComment); - } - /** - * Emit trailing comments at the position. The term trailing comment is used here to describe following comment: - * x, /comment1/ y - * ^ => pos; the function will emit "comment1" in the emitJS - */ - function emitTrailingCommentsOfPosition(pos) { - if (compilerOptions.removeComments) { - return; - } - var trailingComments = ts.getTrailingCommentRanges(currentText, pos); - // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ - ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitLeadingCommentsOfPositionWorker(pos) { - if (compilerOptions.removeComments) { - return; - } - var leadingComments; - if (hasDetachedComments(pos)) { - // get comments without detached comments - leadingComments = getLeadingCommentsWithoutDetachedComments(); - } - else { - // get the leading comments from the node - leadingComments = ts.getLeadingCommentRanges(currentText, pos); - } - ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); - // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space - ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); - } - function emitDetachedCommentsAndUpdateCommentsInfo(node) { - var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); - if (currentDetachedCommentInfo) { - if (detachedCommentsInfo) { - detachedCommentsInfo.push(currentDetachedCommentInfo); - } - else { - detachedCommentsInfo = [currentDetachedCommentInfo]; - } - } - } - function writeComment(text, lineMap, writer, comment, newLine) { - emitPos(comment.pos); - ts.writeCommentRange(text, lineMap, writer, comment, newLine); - emitPos(comment.end); - } - function emitShebang() { - var shebang = ts.getShebang(currentText); - if (shebang) { - write(shebang); - writeLine(); - } - } - var _a, _b; - } - function emitFile(_a, sourceFiles, isBundledEmit) { - var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; - // Make sure not to write js File and source map file if any of them cannot be written - if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { - emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); - } - else { - emitSkipped = true; - } - if (declarationFilePath) { - emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; - } - } - } - ts.emitFiles = emitFiles; -})(ts || (ts = {})); -/// -/// -/// -var ts; -(function (ts) { - /* @internal */ ts.programTime = 0; - /* @internal */ ts.emitTime = 0; - /* @internal */ ts.ioReadTime = 0; - /* @internal */ ts.ioWriteTime = 0; - /** The version of the TypeScript compiler release */ - var emptyArray = []; - ts.version = "1.8.2"; - function findConfigFile(searchPath, fileExists) { - var fileName = "tsconfig.json"; - while (true) { - if (fileExists(fileName)) { - return fileName; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - fileName = "../" + fileName; - } - return undefined; - } - ts.findConfigFile = findConfigFile; - function resolveTripleslashReference(moduleName, containingFile) { - var basePath = ts.getDirectoryPath(containingFile); - var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); - return ts.normalizePath(referencedFileName); - } - ts.resolveTripleslashReference = resolveTripleslashReference; - function resolveModuleName(moduleName, containingFile, compilerOptions, host) { - var moduleResolution = compilerOptions.moduleResolution !== undefined - ? compilerOptions.moduleResolution - : ts.getEmitModuleKind(compilerOptions) === 1 /* CommonJS */ ? 2 /* NodeJs */ : 1 /* Classic */; - switch (moduleResolution) { - case 2 /* NodeJs */: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); - case 1 /* Classic */: return classicNameResolver(moduleName, containingFile, compilerOptions, host); - } - } - ts.resolveModuleName = resolveModuleName; - function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { - var containingDirectory = ts.getDirectoryPath(containingFile); - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { - var failedLookupLocations = []; - var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); - var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); - if (resolvedFileName) { - return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; - } - resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); - return resolvedFileName - ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - else { - return loadModuleFromNodeModules(moduleName, containingDirectory, host); - } - } - ts.nodeModuleNameResolver = nodeModuleNameResolver; - /* @internal */ - function directoryProbablyExists(directoryName, host) { - // if host does not support 'directoryExists' assume that directory will exist - return !host.directoryExists || host.directoryExists(directoryName); - } - ts.directoryProbablyExists = directoryProbablyExists; - /** - * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary - * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations. - */ - function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - return ts.forEach(extensions, tryLoad); - function tryLoad(ext) { - var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; - if (!onlyRecordFailures && host.fileExists(fileName)) { - return fileName; - } - else { - failedLookupLocation.push(fileName); - return undefined; - } - } - } - function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { - var packageJsonPath = ts.combinePaths(candidate, "package.json"); - var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); - if (directoryExists && host.fileExists(packageJsonPath)) { - var jsonContent = void 0; - try { - var jsonText = host.readFile(packageJsonPath); - jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; - } - catch (e) { - // gracefully handle if readFile fails or returns not JSON - jsonContent = { typings: undefined }; - } - if (typeof jsonContent.typings === "string") { - var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); - var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); - if (result) { - return result; - } - } - } - else { - // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results - failedLookupLocation.push(packageJsonPath); - } - return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); - } - function loadModuleFromNodeModules(moduleName, directory, host) { - var failedLookupLocations = []; - directory = ts.normalizeSlashes(directory); - while (true) { - var baseName = ts.getBaseFileName(directory); - if (baseName !== "node_modules") { - var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); - var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); - var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); - // Load only typescript files irrespective of allowJs option if loading from node modules - var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); - if (result) { - return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; - } - } - var parentPath = ts.getDirectoryPath(directory); - if (parentPath === directory) { - break; - } - directory = parentPath; - } - return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - function nameStartsWithDotSlashOrDotDotSlash(name) { - var i = name.lastIndexOf("./", 1); - return i === 0 || (i === 1 && name.charCodeAt(0) === 46 /* dot */); - } - function classicNameResolver(moduleName, containingFile, compilerOptions, host) { - // module names that contain '!' are used to reference resources and are not resolved to actual files on disk - if (moduleName.indexOf("!") != -1) { - return { resolvedModule: undefined, failedLookupLocations: [] }; - } - var searchPath = ts.getDirectoryPath(containingFile); - var searchName; - var failedLookupLocations = []; - var referencedSourceFile; - var supportedExtensions = ts.getSupportedExtensions(compilerOptions); - while (true) { - searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); - referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { - if (extension === ".tsx" && !compilerOptions.jsx) { - // resolve .tsx files only if jsx support is enabled - // 'logical not' handles both undefined and None cases - return undefined; - } - var candidate = searchName + extension; - if (host.fileExists(candidate)) { - return candidate; - } - else { - failedLookupLocations.push(candidate); - } - }); - if (referencedSourceFile) { - break; - } - var parentPath = ts.getDirectoryPath(searchPath); - if (parentPath === searchPath) { - break; - } - searchPath = parentPath; - } - return referencedSourceFile - ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } - : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; - } - ts.classicNameResolver = classicNameResolver; - /* @internal */ - ts.defaultInitCompilerOptions = { - module: 1 /* CommonJS */, - target: 1 /* ES5 */, - noImplicitAny: false, - sourceMap: false - }; - function createCompilerHost(options, setParentNodes) { - var existingDirectories = {}; - function getCanonicalFileName(fileName) { - // if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form. - // otherwise use toLowerCase as a canonical form. - return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); - } - // returned by CScript sys environment - var unsupportedFileEncodingErrorCode = -2147024809; - function getSourceFile(fileName, languageVersion, onError) { - var text; - try { - var start = new Date().getTime(); - text = ts.sys.readFile(fileName, options.charset); - ts.ioReadTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.number === unsupportedFileEncodingErrorCode - ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText - : e.message); - } - text = ""; - } - return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; - } - function directoryExists(directoryPath) { - if (ts.hasProperty(existingDirectories, directoryPath)) { - return true; - } - if (ts.sys.directoryExists(directoryPath)) { - existingDirectories[directoryPath] = true; - return true; - } - return false; - } - function ensureDirectoriesExist(directoryPath) { - if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { - var parentDirectory = ts.getDirectoryPath(directoryPath); - ensureDirectoriesExist(parentDirectory); - ts.sys.createDirectory(directoryPath); - } - } - function writeFile(fileName, data, writeByteOrderMark, onError) { - try { - var start = new Date().getTime(); - ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); - ts.sys.writeFile(fileName, data, writeByteOrderMark); - ts.ioWriteTime += new Date().getTime() - start; - } - catch (e) { - if (onError) { - onError(e.message); - } - } - } - var newLine = ts.getNewLineCharacter(options); - return { - getSourceFile: getSourceFile, - getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, - writeFile: writeFile, - getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), - useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, - getCanonicalFileName: getCanonicalFileName, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, - readFile: function (fileName) { return ts.sys.readFile(fileName); }, - directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } - }; - } - ts.createCompilerHost = createCompilerHost; - function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { - var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); - if (program.getCompilerOptions().declaration) { - diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); - } - return ts.sortAndDeduplicateDiagnostics(diagnostics); - } - ts.getPreEmitDiagnostics = getPreEmitDiagnostics; - function flattenDiagnosticMessageText(messageText, newLine) { - if (typeof messageText === "string") { - return messageText; - } - else { - var diagnosticChain = messageText; - var result = ""; - var indent = 0; - while (diagnosticChain) { - if (indent) { - result += newLine; - for (var i = 0; i < indent; i++) { - result += " "; - } - } - result += diagnosticChain.messageText; - indent++; - diagnosticChain = diagnosticChain.next; - } - return result; - } - } - ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; - function createProgram(rootNames, options, host, oldProgram) { - var program; - var files = []; - var fileProcessingDiagnostics = ts.createDiagnosticCollection(); - var programDiagnostics = ts.createDiagnosticCollection(); - var commonSourceDirectory; - var diagnosticsProducingTypeChecker; - var noDiagnosticsTypeChecker; - var classifiableNames; - var skipDefaultLib = options.noLib; - var supportedExtensions = ts.getSupportedExtensions(options); - var start = new Date().getTime(); - host = host || createCompilerHost(options); - // Map storing if there is emit blocking diagnostics for given input - var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); - var currentDirectory = host.getCurrentDirectory(); - var resolveModuleNamesWorker = host.resolveModuleNames - ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) - : (function (moduleNames, containingFile) { - var resolvedModuleNames = []; - // resolveModuleName does not store any results between calls. - // lookup is a local cache to avoid resolving the same module name several times - var lookup = {}; - for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { - var moduleName = moduleNames_1[_i]; - var resolvedName = void 0; - if (ts.hasProperty(lookup, moduleName)) { - resolvedName = lookup[moduleName]; - } - else { - resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; - lookup[moduleName] = resolvedName; - } - resolvedModuleNames.push(resolvedName); - } - return resolvedModuleNames; - }); - var filesByName = ts.createFileMap(); - // stores 'filename -> file association' ignoring case - // used to track cases when two file names differ only in casing - var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; - if (oldProgram) { - // check properties that can affect structure of the program or module resolution strategy - // if any of these properties has changed - structure cannot be reused - var oldOptions = oldProgram.getCompilerOptions(); - if ((oldOptions.module !== options.module) || - (oldOptions.noResolve !== options.noResolve) || - (oldOptions.target !== options.target) || - (oldOptions.noLib !== options.noLib) || - (oldOptions.jsx !== options.jsx) || - (oldOptions.allowJs !== options.allowJs)) { - oldProgram = undefined; - } - } - if (!tryReuseStructureFromOldProgram()) { - ts.forEach(rootNames, function (name) { return processRootFile(name, /*isDefaultLib*/ false); }); - // Do not process the default library if: - // - The '--noLib' flag is used. - // - A 'no-default-lib' reference comment is encountered in - // processing the root files. - if (!skipDefaultLib) { - processRootFile(host.getDefaultLibFileName(options), /*isDefaultLib*/ true); - } - } - // unconditionally set oldProgram to undefined to prevent it from being captured in closure - oldProgram = undefined; - program = { - getRootFileNames: function () { return rootNames; }, - getSourceFile: getSourceFile, - getSourceFiles: function () { return files; }, - getCompilerOptions: function () { return options; }, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getOptionsDiagnostics: getOptionsDiagnostics, - getGlobalDiagnostics: getGlobalDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getDeclarationDiagnostics: getDeclarationDiagnostics, - getTypeChecker: getTypeChecker, - getClassifiableNames: getClassifiableNames, - getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, - getCommonSourceDirectory: getCommonSourceDirectory, - emit: emit, - getCurrentDirectory: function () { return currentDirectory; }, - getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, - getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, - getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, - getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, - getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } - }; - verifyCompilerOptions(); - ts.programTime += new Date().getTime() - start; - return program; - function getCommonSourceDirectory() { - if (typeof commonSourceDirectory === "undefined") { - if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { - // If a rootDir is specified and is valid use it as the commonSourceDirectory - commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); - } - else { - commonSourceDirectory = computeCommonSourceDirectory(files); - } - if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { - // Make sure directory path ends with directory separator so this string can directly - // used to replace with "" to get the relative path of the source file and the relative path doesn't - // start with / making it rooted path - commonSourceDirectory += ts.directorySeparator; - } - } - return commonSourceDirectory; - } - function getClassifiableNames() { - if (!classifiableNames) { - // Initialize a checker so that all our files are bound. - getTypeChecker(); - classifiableNames = {}; - for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { - var sourceFile = files_3[_i]; - ts.copyMap(sourceFile.classifiableNames, classifiableNames); - } - } - return classifiableNames; - } - function tryReuseStructureFromOldProgram() { - if (!oldProgram) { - return false; - } - ts.Debug.assert(!oldProgram.structureIsReused); - // there is an old program, check if we can reuse its structure - var oldRootNames = oldProgram.getRootFileNames(); - if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { - return false; - } - // check if program source files has changed in the way that can affect structure of the program - var newSourceFiles = []; - var filePaths = []; - var modifiedSourceFiles = []; - for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { - var oldSourceFile = _a[_i]; - var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); - if (!newSourceFile) { - return false; - } - newSourceFile.path = oldSourceFile.path; - filePaths.push(newSourceFile.path); - if (oldSourceFile !== newSourceFile) { - if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { - // value of no-default-lib has changed - // this will affect if default library is injected into the list of files - return false; - } - // check tripleslash references - if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { - // tripleslash references has changed - return false; - } - // check imports and module augmentations - collectExternalModuleReferences(newSourceFile); - if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { - // imports has changed - return false; - } - if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { - // moduleAugmentations has changed - return false; - } - if (resolveModuleNamesWorker) { - var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); - // ensure that module resolution results are still correct - for (var i = 0; i < moduleNames.length; i++) { - var newResolution = resolutions[i]; - var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); - var resolutionChanged = oldResolution - ? !newResolution || - oldResolution.resolvedFileName !== newResolution.resolvedFileName || - !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport - : newResolution; - if (resolutionChanged) { - return false; - } - } - } - // pass the cache of module resolutions from the old source file - newSourceFile.resolvedModules = oldSourceFile.resolvedModules; - modifiedSourceFiles.push(newSourceFile); - } - else { - // file has no changes - use it as is - newSourceFile = oldSourceFile; - } - // if file has passed all checks it should be safe to reuse it - newSourceFiles.push(newSourceFile); - } - // update fileName -> file mapping - for (var i = 0, len = newSourceFiles.length; i < len; i++) { - filesByName.set(filePaths[i], newSourceFiles[i]); - } - files = newSourceFiles; - fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); - for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { - var modifiedFile = modifiedSourceFiles_1[_b]; - fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); - } - oldProgram.structureIsReused = true; - return true; - } - function getEmitHost(writeFileCallback) { - return { - getCanonicalFileName: getCanonicalFileName, - getCommonSourceDirectory: program.getCommonSourceDirectory, - getCompilerOptions: program.getCompilerOptions, - getCurrentDirectory: function () { return currentDirectory; }, - getNewLine: function () { return host.getNewLine(); }, - getSourceFile: program.getSourceFile, - getSourceFiles: program.getSourceFiles, - writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), - isEmitBlocked: isEmitBlocked - }; - } - function getDiagnosticsProducingTypeChecker() { - return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ true)); - } - function getTypeChecker() { - return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ false)); - } - function emit(sourceFile, writeFileCallback, cancellationToken) { - var _this = this; - return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); - } - function isEmitBlocked(emitFileName) { - return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); - } - function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { - // If the noEmitOnError flag is set, then check if we have any errors so far. If so, - // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we - // get any preEmit diagnostics, not just the ones - if (options.noEmitOnError) { - var preEmitDiagnostics = getPreEmitDiagnostics(program, /*sourceFile:*/ undefined, cancellationToken); - if (preEmitDiagnostics.length > 0) { - return { diagnostics: preEmitDiagnostics, sourceMaps: undefined, emitSkipped: true }; - } - } - // Create the emit resolver outside of the "emitTime" tracking code below. That way - // any cost associated with it (like type checking) are appropriate associated with - // the type-checking counter. - // - // If the -out option is specified, we should not pass the source file to getEmitResolver. - // This is because in the -out scenario all files need to be emitted, and therefore all - // files need to be type checked. And the way to specify that all files need to be type - // checked is to not pass the file to getEmitResolver. - var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); - var start = new Date().getTime(); - var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); - ts.emitTime += new Date().getTime() - start; - return emitResult; - } - function getSourceFile(fileName) { - return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); - } - function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { - if (sourceFile) { - return getDiagnostics(sourceFile, cancellationToken); - } - var allDiagnostics = []; - ts.forEach(program.getSourceFiles(), function (sourceFile) { - if (cancellationToken) { - cancellationToken.throwIfCancellationRequested(); - } - ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); - }); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getSyntacticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); - } - function getSemanticDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); - } - function getDeclarationDiagnostics(sourceFile, cancellationToken) { - return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); - } - function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { - return sourceFile.parseDiagnostics; - } - function runWithCancellationToken(func) { - try { - return func(); - } - catch (e) { - if (e instanceof ts.OperationCanceledException) { - // We were canceled while performing the operation. Because our type checker - // might be a bad state, we need to throw it away. - // - // Note: we are overly agressive here. We do not actually *have* to throw away - // the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep - // the lifetimes of these two TypeCheckers the same. Also, we generally only - // cancel when the user has made a change anyways. And, in that case, we (the - // program instance) will get thrown away anyways. So trying to keep one of - // these type checkers alive doesn't serve much purpose. - noDiagnosticsTypeChecker = undefined; - diagnosticsProducingTypeChecker = undefined; - } - throw e; - } - } - function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var typeChecker = getDiagnosticsProducingTypeChecker(); - ts.Debug.assert(!!sourceFile.bindDiagnostics); - var bindDiagnostics = sourceFile.bindDiagnostics; - // For JavaScript files, we don't want to report the normal typescript semantic errors. - // Instead, we just report errors for using TypeScript-only constructs from within a - // JavaScript file. - var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? - getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : - typeChecker.getDiagnostics(sourceFile, cancellationToken); - var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); - var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); - return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); - }); - } - function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - var diagnostics = []; - walk(sourceFile); - return diagnostics; - function walk(node) { - if (!node) { - return false; - } - switch (node.kind) { - case 224 /* ImportEqualsDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); - return true; - case 230 /* ExportAssignment */: - if (node.isExportEquals) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 217 /* ClassDeclaration */: - var classDeclaration = node; - if (checkModifiers(classDeclaration.modifiers) || - checkTypeParameters(classDeclaration.typeParameters)) { - return true; - } - break; - case 246 /* HeritageClause */: - var heritageClause = node; - if (heritageClause.token === 106 /* ImplementsKeyword */) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 218 /* InterfaceDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 221 /* ModuleDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 219 /* TypeAliasDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); - return true; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 216 /* FunctionDeclaration */: - var functionDeclaration = node; - if (checkModifiers(functionDeclaration.modifiers) || - checkTypeParameters(functionDeclaration.typeParameters) || - checkTypeAnnotation(functionDeclaration.type)) { - return true; - } - break; - case 196 /* VariableStatement */: - var variableStatement = node; - if (checkModifiers(variableStatement.modifiers)) { - return true; - } - break; - case 214 /* VariableDeclaration */: - var variableDeclaration = node; - if (checkTypeAnnotation(variableDeclaration.type)) { - return true; - } - break; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - var expression = node; - if (expression.typeArguments && expression.typeArguments.length > 0) { - var start_2 = expression.typeArguments.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 139 /* Parameter */: - var parameter = node; - if (parameter.modifiers) { - var start_3 = parameter.modifiers.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); - return true; - } - if (parameter.questionToken) { - diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); - return true; - } - if (parameter.type) { - diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - break; - case 142 /* PropertyDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 220 /* EnumDeclaration */: - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); - return true; - case 174 /* TypeAssertionExpression */: - var typeAssertionExpression = node; - diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); - return true; - case 140 /* Decorator */: - if (!options.experimentalDecorators) { - diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); - } - return true; - } - return ts.forEachChild(node, walk); - } - function checkTypeParameters(typeParameters) { - if (typeParameters) { - var start_4 = typeParameters.pos; - diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkTypeAnnotation(type) { - if (type) { - diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); - return true; - } - return false; - } - function checkModifiers(modifiers) { - if (modifiers) { - for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { - var modifier = modifiers_1[_i]; - switch (modifier.kind) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - case 122 /* DeclareKeyword */: - diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); - return true; - // These are all legal modifiers. - case 113 /* StaticKeyword */: - case 82 /* ExportKeyword */: - case 74 /* ConstKeyword */: - case 77 /* DefaultKeyword */: - case 115 /* AbstractKeyword */: - } - } - } - return false; - } - }); - } - function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { - return runWithCancellationToken(function () { - if (!ts.isDeclarationFile(sourceFile)) { - var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); - // Don't actually write any files since we're just getting diagnostics. - var writeFile_1 = function () { }; - return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); - } - }); - } - function getOptionsDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); - ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function getGlobalDiagnostics() { - var allDiagnostics = []; - ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); - return ts.sortAndDeduplicateDiagnostics(allDiagnostics); - } - function hasExtension(fileName) { - return ts.getBaseFileName(fileName).indexOf(".") >= 0; - } - function processRootFile(fileName, isDefaultLib) { - processSourceFile(ts.normalizePath(fileName), isDefaultLib); - } - function fileReferenceIsEqualTo(a, b) { - return a.fileName === b.fileName; - } - function moduleNameIsEqualTo(a, b) { - return a.text === b.text; - } - function getTextOfLiteral(literal) { - return literal.text; - } - function collectExternalModuleReferences(file) { - if (file.imports) { - return; - } - var isJavaScriptFile = ts.isSourceFileJavaScript(file); - var isExternalModuleFile = ts.isExternalModule(file); - var imports; - var moduleAugmentations; - for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { - var node = _a[_i]; - collectModuleReferences(node, /*inAmbientModule*/ false); - if (isJavaScriptFile) { - collectRequireCalls(node); - } - } - file.imports = imports || emptyArray; - file.moduleAugmentations = moduleAugmentations || emptyArray; - return; - function collectModuleReferences(node, inAmbientModule) { - switch (node.kind) { - case 225 /* ImportDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 231 /* ExportDeclaration */: - var moduleNameExpr = ts.getExternalModuleName(node); - if (!moduleNameExpr || moduleNameExpr.kind !== 9 /* StringLiteral */) { - break; - } - if (!moduleNameExpr.text) { - break; - } - // TypeScript 1.0 spec (April 2014): 12.1.6 - // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules - // only through top - level external module names. Relative external module names are not permitted. - if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { - (imports || (imports = [])).push(moduleNameExpr); - } - break; - case 221 /* ModuleDeclaration */: - if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 /* Ambient */ || ts.isDeclarationFile(file))) { - var moduleName = node.name; - // Ambient module declarations can be interpreted as augmentations for some existing external modules. - // This will happen in two cases: - // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope - // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name - // immediately nested in top level ambient module declaration . - if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { - (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); - } - else if (!inAmbientModule) { - // An AmbientExternalModuleDeclaration declares an external module. - // This type of declaration is permitted only in the global module. - // The StringLiteral must specify a top - level external module name. - // Relative external module names are not permitted - // NOTE: body of ambient module is always a module block - for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { - var statement = _a[_i]; - collectModuleReferences(statement, /*inAmbientModule*/ true); - } - } - } - } - } - function collectRequireCalls(node) { - if (ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { - (imports || (imports = [])).push(node.arguments[0]); - } - else { - ts.forEachChild(node, collectRequireCalls); - } - } - } - function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { - var diagnosticArgument; - var diagnostic; - if (hasExtension(fileName)) { - if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { - diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; - diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; - } - else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { - diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; - diagnosticArgument = [fileName]; - } - } - else { - var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); - if (!nonTsFile) { - if (options.allowNonTsExtensions) { - diagnostic = ts.Diagnostics.File_0_not_found; - diagnosticArgument = [fileName]; - } - else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { - diagnostic = ts.Diagnostics.File_0_not_found; - fileName += ".ts"; - diagnosticArgument = [fileName]; - } - } - } - if (diagnostic) { - if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); - } - } - } - function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); - } - } - // Get source file from normalized fileName - function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { - if (filesByName.contains(path)) { - var file_1 = filesByName.get(path); - // try to check if we've already seen this file but with a different casing in path - // NOTE: this only makes sense for case-insensitive file systems - if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { - reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); - } - return file_1; - } - // We haven't looked for this file, do so now and cache result - var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { - if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { - fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - else { - fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); - } - }); - filesByName.set(path, file); - if (file) { - file.path = path; - if (host.useCaseSensitiveFileNames()) { - // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case - var existingFile = filesByNameIgnoreCase.get(path); - if (existingFile) { - reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); - } - else { - filesByNameIgnoreCase.set(path, file); - } - } - skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; - var basePath = ts.getDirectoryPath(fileName); - if (!options.noResolve) { - processReferencedFiles(file, basePath); - } - // always process imported modules to record module name resolutions - processImportedModules(file, basePath); - if (isDefaultLib) { - files.unshift(file); - } - else { - files.push(file); - } - } - return file; - } - function processReferencedFiles(file, basePath) { - ts.forEach(file.referencedFiles, function (ref) { - var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); - processSourceFile(referencedFileName, /*isDefaultLib*/ false, file, ref.pos, ref.end); - }); - } - function getCanonicalFileName(fileName) { - return host.getCanonicalFileName(fileName); - } - function processImportedModules(file, basePath) { - collectExternalModuleReferences(file); - if (file.imports.length || file.moduleAugmentations.length) { - file.resolvedModules = {}; - var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); - var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); - for (var i = 0; i < moduleNames.length; i++) { - var resolution = resolutions[i]; - ts.setResolvedModule(file, moduleNames[i], resolution); - // add file to program only if: - // - resolution was successfull - // - noResolve is falsy - // - module name come from the list fo imports - var shouldAddFile = resolution && - !options.noResolve && - i < file.imports.length; - if (shouldAddFile) { - var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), /*isDefaultLib*/ false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); - if (importedFile && resolution.isExternalLibraryImport) { - // Since currently irrespective of allowJs, we only look for supportedTypeScript extension external module files, - // this check is ok. Otherwise this would be never true for javascript file - if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { - var start_5 = ts.getTokenPosOfNode(file.imports[i], file); - fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); - } - else if (importedFile.referencedFiles.length) { - var firstRef = importedFile.referencedFiles[0]; - fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); - } - } - } - } - } - else { - // no imports - drop cached module resolutions - file.resolvedModules = undefined; - } - return; - } - function computeCommonSourceDirectory(sourceFiles) { - var commonPathComponents; - var failed = ts.forEach(files, function (sourceFile) { - // Each file contributes into common source file path - if (ts.isDeclarationFile(sourceFile)) { - return; - } - var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); - sourcePathComponents.pop(); // The base file name is not part of the common directory path - if (!commonPathComponents) { - // first file - commonPathComponents = sourcePathComponents; - return; - } - for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { - if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { - if (i === 0) { - // Failed to find any common path component - return true; - } - // New common path found that is 0 -> i-1 - commonPathComponents.length = i; - break; - } - } - // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents - if (sourcePathComponents.length < commonPathComponents.length) { - commonPathComponents.length = sourcePathComponents.length; - } - }); - // A common path can not be found when paths span multiple drives on windows, for example - if (failed) { - return ""; - } - if (!commonPathComponents) { - return currentDirectory; - } - return ts.getNormalizedPathFromPathComponents(commonPathComponents); - } - function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { - var allFilesBelongToPath = true; - if (sourceFiles) { - var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); - for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { - var sourceFile = sourceFiles_2[_i]; - if (!ts.isDeclarationFile(sourceFile)) { - var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); - if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); - allFilesBelongToPath = false; - } - } - } - } - return allFilesBelongToPath; - } - function verifyCompilerOptions() { - if (options.isolatedModules) { - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); - } - if (options.noEmitOnError) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); - } - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); - } - } - if (options.inlineSourceMap) { - if (options.sourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); - } - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); - } - } - if (options.inlineSources) { - if (!options.sourceMap && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); - } - if (options.sourceRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); - } - } - if (options.out && options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); - } - if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { - // Error to specify --mapRoot or --sourceRoot without mapSourceFiles - if (options.mapRoot) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); - } - if (options.sourceRoot && !options.inlineSourceMap) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); - } - } - var languageVersion = options.target || 0 /* ES3 */; - var outFile = options.outFile || options.out; - var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); - if (options.isolatedModules) { - if (options.module === 0 /* None */ && languageVersion < 2 /* ES6 */) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); - } - var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); - if (firstNonExternalModuleSourceFile) { - var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); - programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); - } - } - else if (firstExternalModuleSourceFile && languageVersion < 2 /* ES6 */ && options.module === 0 /* None */) { - // We cannot use createDiagnosticFromNode because nodes do not have parents yet - var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); - programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); - } - // Cannot specify module gen target of es6 when below es6 - if (options.module === 5 /* ES6 */ && languageVersion < 2 /* ES6 */) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); - } - // Cannot specify module gen that isn't amd or system with --out - if (outFile && options.module && !(options.module === 2 /* AMD */ || options.module === 4 /* System */)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); - } - // there has to be common source directory if user specified --outdir || --sourceRoot - // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted - if (options.outDir || - options.sourceRoot || - options.mapRoot) { - // Precalculate and cache the common source directory - var dir = getCommonSourceDirectory(); - // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure - if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); - } - } - if (options.noEmit) { - if (options.out) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); - } - if (options.outFile) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); - } - if (options.outDir) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); - } - if (options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); - } - } - else if (options.allowJs && options.declaration) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); - } - if (options.emitDecoratorMetadata && - !options.experimentalDecorators) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); - } - if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { - programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); - } - // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files - if (!options.noEmit && !options.suppressOutputPathCheck) { - var emitHost = getEmitHost(); - var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); - ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { - verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); - verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); - }); - } - // Verify that all the emit files are unique and don't overwrite input files - function verifyEmitFilePath(emitFileName, emitFilesSeen) { - if (emitFileName) { - var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); - // Report error if the output overwrites input file - if (filesByName.contains(emitFilePath)) { - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); - } - // Report error if multiple files write into same file - if (emitFilesSeen.contains(emitFilePath)) { - // Already seen the same emit file - report error - createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); - } - else { - emitFilesSeen.set(emitFilePath, true); - } - } - } - } - function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { - hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); - programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); - } - } - ts.createProgram = createProgram; -})(ts || (ts = {})); -/// -/// -/// -/// -/// -var ts; -(function (ts) { - /* @internal */ - ts.optionDeclarations = [ - { - name: "charset", - type: "string" - }, - { - name: "declaration", - shortName: "d", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_d_ts_file - }, - { - name: "diagnostics", - type: "boolean" - }, - { - name: "emitBOM", - type: "boolean" - }, - { - name: "help", - shortName: "h", - type: "boolean", - description: ts.Diagnostics.Print_this_message - }, - { - name: "init", - type: "boolean", - description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file - }, - { - name: "inlineSourceMap", - type: "boolean" - }, - { - name: "inlineSources", - type: "boolean" - }, - { - name: "jsx", - type: { - "preserve": 1 /* Preserve */, - "react": 2 /* React */ - }, - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, - error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react - }, - { - name: "reactNamespace", - type: "string", - description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit - }, - { - name: "listFiles", - type: "boolean" - }, - { - name: "locale", - type: "string" - }, - { - name: "mapRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "module", - shortName: "m", - type: { - "none": 0 /* None */, - "commonjs": 1 /* CommonJS */, - "amd": 2 /* AMD */, - "system": 4 /* System */, - "umd": 3 /* UMD */, - "es6": 5 /* ES6 */, - "es2015": 5 /* ES2015 */ - }, - description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, - paramType: ts.Diagnostics.KIND, - error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none - }, - { - name: "newLine", - type: { - "crlf": 0 /* CarriageReturnLineFeed */, - "lf": 1 /* LineFeed */ - }, - description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, - paramType: ts.Diagnostics.NEWLINE, - error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF - }, - { - name: "noEmit", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs - }, - { - name: "noEmitHelpers", - type: "boolean" - }, - { - name: "noEmitOnError", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported - }, - { - name: "noImplicitAny", - type: "boolean", - description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type - }, - { - name: "noLib", - type: "boolean" - }, - { - name: "noResolve", - type: "boolean" - }, - { - name: "skipDefaultLibCheck", - type: "boolean" - }, - { - name: "out", - type: "string", - isFilePath: false, - // for correct behaviour, please use outFile - paramType: ts.Diagnostics.FILE - }, - { - name: "outFile", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, - paramType: ts.Diagnostics.FILE - }, - { - name: "outDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Redirect_output_structure_to_the_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "preserveConstEnums", - type: "boolean", - description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code - }, - { - name: "pretty", - paramType: ts.Diagnostics.KIND, - description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, - type: "boolean" - }, - { - name: "project", - shortName: "p", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Compile_the_project_in_the_given_directory, - paramType: ts.Diagnostics.DIRECTORY - }, - { - name: "removeComments", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_comments_to_output - }, - { - name: "rootDir", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "isolatedModules", - type: "boolean" - }, - { - name: "sourceMap", - type: "boolean", - description: ts.Diagnostics.Generates_corresponding_map_file - }, - { - name: "sourceRoot", - type: "string", - isFilePath: true, - description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, - paramType: ts.Diagnostics.LOCATION - }, - { - name: "suppressExcessPropertyErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, - experimental: true - }, - { - name: "suppressImplicitAnyIndexErrors", - type: "boolean", - description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures - }, - { - name: "stripInternal", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, - experimental: true - }, - { - name: "target", - shortName: "t", - type: { - "es3": 0 /* ES3 */, - "es5": 1 /* ES5 */, - "es6": 2 /* ES6 */, - "es2015": 2 /* ES2015 */ - }, - description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, - paramType: ts.Diagnostics.VERSION, - error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 - }, - { - name: "version", - shortName: "v", - type: "boolean", - description: ts.Diagnostics.Print_the_compiler_s_version - }, - { - name: "watch", - shortName: "w", - type: "boolean", - description: ts.Diagnostics.Watch_input_files - }, - { - name: "experimentalDecorators", - type: "boolean", - description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators - }, - { - name: "emitDecoratorMetadata", - type: "boolean", - experimental: true, - description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators - }, - { - name: "moduleResolution", - type: { - "node": 2 /* NodeJs */, - "classic": 1 /* Classic */ - }, - description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, - error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic - }, - { - name: "allowUnusedLabels", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unused_labels - }, - { - name: "noImplicitReturns", - type: "boolean", - description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value - }, - { - name: "noFallthroughCasesInSwitch", - type: "boolean", - description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement - }, - { - name: "allowUnreachableCode", - type: "boolean", - description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code - }, - { - name: "forceConsistentCasingInFileNames", - type: "boolean", - description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file - }, - { - name: "allowSyntheticDefaultImports", - type: "boolean", - description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking - }, - { - name: "allowJs", - type: "boolean", - description: ts.Diagnostics.Allow_javascript_files_to_be_compiled - }, - { - name: "noImplicitUseStrict", - type: "boolean", - description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output - }, - { - name: "noCustomAsyncPromise", - type: "boolean", - experimental: true - } - ]; - var optionNameMapCache; - /* @internal */ - function getOptionNameMap() { - if (optionNameMapCache) { - return optionNameMapCache; - } - var optionNameMap = {}; - var shortOptionNames = {}; - ts.forEach(ts.optionDeclarations, function (option) { - optionNameMap[option.name.toLowerCase()] = option; - if (option.shortName) { - shortOptionNames[option.shortName] = option.name; - } - }); - optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; - return optionNameMapCache; - } - ts.getOptionNameMap = getOptionNameMap; - function parseCommandLine(commandLine, readFile) { - var options = {}; - var fileNames = []; - var errors = []; - var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; - parseStrings(commandLine); - return { - options: options, - fileNames: fileNames, - errors: errors - }; - function parseStrings(args) { - var i = 0; - while (i < args.length) { - var s = args[i]; - i++; - if (s.charCodeAt(0) === 64 /* at */) { - parseResponseFile(s.slice(1)); - } - else if (s.charCodeAt(0) === 45 /* minus */) { - s = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1).toLowerCase(); - // Try to translate short option names to their full equivalents. - if (ts.hasProperty(shortOptionNames, s)) { - s = shortOptionNames[s]; - } - if (ts.hasProperty(optionNameMap, s)) { - var opt = optionNameMap[s]; - // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument). - if (!args[i] && opt.type !== "boolean") { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); - } - switch (opt.type) { - case "number": - options[opt.name] = parseInt(args[i]); - i++; - break; - case "boolean": - options[opt.name] = true; - break; - case "string": - options[opt.name] = args[i] || ""; - i++; - break; - // If not a primitive, the possible types are specified in what is effectively a map of options. - default: - var map_1 = opt.type; - var key = (args[i] || "").toLowerCase(); - i++; - if (ts.hasProperty(map_1, key)) { - options[opt.name] = map_1[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - } - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); - } - } - else { - fileNames.push(s); - } - } - } - function parseResponseFile(fileName) { - var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); - if (!text) { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); - return; - } - var args = []; - var pos = 0; - while (true) { - while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */) - pos++; - if (pos >= text.length) - break; - var start = pos; - if (text.charCodeAt(start) === 34 /* doubleQuote */) { - pos++; - while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */) - pos++; - if (pos < text.length) { - args.push(text.substring(start + 1, pos)); - pos++; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); - } - } - else { - while (text.charCodeAt(pos) > 32 /* space */) - pos++; - args.push(text.substring(start, pos)); - } - } - parseStrings(args); - } - } - ts.parseCommandLine = parseCommandLine; - /** - * Read tsconfig.json file - * @param fileName The path to the config file - */ - function readConfigFile(fileName, readFile) { - var text = ""; - try { - text = readFile(fileName); - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; - } - return parseConfigFileTextToJson(fileName, text); - } - ts.readConfigFile = readConfigFile; - /** - * Parse the text of the tsconfig.json file - * @param fileName The path to the config file - * @param jsonText The text of the config file - */ - function parseConfigFileTextToJson(fileName, jsonText) { - try { - var jsonTextWithoutComments = removeComments(jsonText); - return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; - } - catch (e) { - return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; - } - } - ts.parseConfigFileTextToJson = parseConfigFileTextToJson; - /** - * Remove the comments from a json like text. - * Comments can be single line comments (starting with # or //) or multiline comments using / * * / - * - * This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate. - */ - function removeComments(jsonText) { - var output = ""; - var scanner = ts.createScanner(1 /* ES5 */, /* skipTrivia */ false, 0 /* Standard */, jsonText); - var token; - while ((token = scanner.scan()) !== 1 /* EndOfFileToken */) { - switch (token) { - case 2 /* SingleLineCommentTrivia */: - case 3 /* MultiLineCommentTrivia */: - // replace comments with whitespace to preserve original character positions - output += scanner.getTokenText().replace(/\S/g, " "); - break; - default: - output += scanner.getTokenText(); - break; - } - } - return output; - } - /** - * Parse the contents of a config file (tsconfig.json). - * @param json The contents of the config file to parse - * @param host Instance of ParseConfigHost used to enumerate files in folder. - * @param basePath A root directory to resolve relative path entries in the config - * file to. e.g. outDir - */ - function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { - if (existingOptions === void 0) { existingOptions = {}; } - var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; - var options = ts.extend(existingOptions, optionsFromJsonConfigFile); - return { - options: options, - fileNames: getFileNames(), - errors: errors - }; - function getFileNames() { - var fileNames = []; - if (ts.hasProperty(json, "files")) { - if (json["files"] instanceof Array) { - fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); - } - } - else { - var filesSeen = {}; - var exclude = []; - if (json["exclude"] instanceof Array) { - exclude = json["exclude"]; - } - else { - // by default exclude node_modules, and any specificied output directory - exclude = ["node_modules"]; - var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; - if (outDir) { - exclude.push(outDir); - } - } - exclude = ts.map(exclude, ts.normalizeSlashes); - var supportedExtensions = ts.getSupportedExtensions(options); - ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); - // Get files of supported extensions in their order of resolution - for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { - var extension = supportedExtensions_1[_i]; - var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); - for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { - var fileName = filesInDirWithExtension_1[_a]; - // .ts extension would read the .d.ts extension files too but since .d.ts is lower priority extension, - // lets pick them when its turn comes up - if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { - continue; - } - // Skip over any minified JavaScript files (ending in ".min.js") - if (/\.min\.js$/.test(fileName)) { - continue; - } - // If this is one of the output extension (which would be .d.ts and .js if we are allowing compilation of js files) - // do not include this file if we included .ts or .tsx file with same base name as it could be output of the earlier compilation - if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { - var baseName = fileName.substr(0, fileName.length - extension.length); - if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { - continue; - } - } - filesSeen[fileName] = true; - fileNames.push(fileName); - } - } - } - return fileNames; - } - } - ts.parseJsonConfigFileContent = parseJsonConfigFileContent; - function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { - var options = {}; - var errors = []; - if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { - options.allowJs = true; - } - if (!jsonOptions) { - return { options: options, errors: errors }; - } - var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); - for (var id in jsonOptions) { - if (ts.hasProperty(optionNameMap, id)) { - var opt = optionNameMap[id]; - var optType = opt.type; - var value = jsonOptions[id]; - var expectedType = typeof optType === "string" ? optType : "string"; - if (typeof value === expectedType) { - if (typeof optType !== "string") { - var key = value.toLowerCase(); - if (ts.hasProperty(optType, key)) { - value = optType[key]; - } - else { - errors.push(ts.createCompilerDiagnostic(opt.error)); - value = 0; - } - } - if (opt.isFilePath) { - value = ts.normalizePath(ts.combinePaths(basePath, value)); - if (value === "") { - value = "."; - } - } - options[opt.name] = value; - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); - } - } - else { - errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); - } - } - return { options: options, errors: errors }; - } - ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - var OutliningElementsCollector; - (function (OutliningElementsCollector) { - function collectElements(sourceFile) { - var elements = []; - var collapseText = "..."; - function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { - if (hintSpanNode && startElement && endElement) { - var span = { - textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), - hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningSpanComments(commentSpan, autoCollapse) { - if (commentSpan) { - var span = { - textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), - bannerText: collapseText, - autoCollapse: autoCollapse - }; - elements.push(span); - } - } - function addOutliningForLeadingCommentsForNode(n) { - var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); - if (comments) { - var firstSingleLineCommentStart = -1; - var lastSingleLineCommentEnd = -1; - var isFirstSingleLineComment = true; - var singleLineCommentCount = 0; - for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { - var currentComment = comments_2[_i]; - // For single line comments, combine consecutive ones (2 or more) into - // a single span from the start of the first till the end of the last - if (currentComment.kind === 2 /* SingleLineCommentTrivia */) { - if (isFirstSingleLineComment) { - firstSingleLineCommentStart = currentComment.pos; - } - isFirstSingleLineComment = false; - lastSingleLineCommentEnd = currentComment.end; - singleLineCommentCount++; - } - else if (currentComment.kind === 3 /* MultiLineCommentTrivia */) { - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - addOutliningSpanComments(currentComment, /*autoCollapse*/ false); - singleLineCommentCount = 0; - lastSingleLineCommentEnd = -1; - isFirstSingleLineComment = true; - } - } - combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); - } - } - function combineAndAddMultipleSingleLineComments(count, start, end) { - // Only outline spans of two or more consecutive single line comments - if (count > 1) { - var multipleSingleLineComments = { - pos: start, - end: end, - kind: 2 /* SingleLineCommentTrivia */ - }; - addOutliningSpanComments(multipleSingleLineComments, /*autoCollapse*/ false); - } - } - function autoCollapse(node) { - return ts.isFunctionBlock(node) && node.parent.kind !== 177 /* ArrowFunction */; - } - var depth = 0; - var maxDepth = 20; - function walk(n) { - if (depth > maxDepth) { - return; - } - if (ts.isDeclaration(n)) { - addOutliningForLeadingCommentsForNode(n); - } - switch (n.kind) { - case 195 /* Block */: - if (!ts.isFunctionBlock(n)) { - var parent_9 = n.parent; - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - // Check if the block is standalone, or 'attached' to some parent statement. - // If the latter, we want to collaps the block, but consider its hint span - // to be the entire span of the parent. - if (parent_9.kind === 200 /* DoStatement */ || - parent_9.kind === 203 /* ForInStatement */ || - parent_9.kind === 204 /* ForOfStatement */ || - parent_9.kind === 202 /* ForStatement */ || - parent_9.kind === 199 /* IfStatement */ || - parent_9.kind === 201 /* WhileStatement */ || - parent_9.kind === 208 /* WithStatement */ || - parent_9.kind === 247 /* CatchClause */) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - if (parent_9.kind === 212 /* TryStatement */) { - // Could be the try-block, or the finally-block. - var tryStatement = parent_9; - if (tryStatement.tryBlock === n) { - addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); - break; - } - else if (tryStatement.finallyBlock === n) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); - if (finallyKeyword) { - addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); - break; - } - } - } - // Block was a standalone block. In this case we want to only collapse - // the span of the block, independent of any parent span. - var span = ts.createTextSpanFromBounds(n.getStart(), n.end); - elements.push({ - textSpan: span, - hintSpan: span, - bannerText: collapseText, - autoCollapse: autoCollapse(n) - }); - break; - } - // Fallthrough. - case 222 /* ModuleBlock */: { - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 223 /* CaseBlock */: { - var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); - var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); - addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); - break; - } - case 167 /* ArrayLiteralExpression */: - var openBracket = ts.findChildOfKind(n, 19 /* OpenBracketToken */, sourceFile); - var closeBracket = ts.findChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); - addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); - break; - } - depth++; - ts.forEachChild(n, walk); - depth--; - } - walk(sourceFile); - return elements; - } - OutliningElementsCollector.collectElements = collectElements; - })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - var NavigateTo; - (function (NavigateTo) { - function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { - var patternMatcher = ts.createPatternMatcher(searchValue); - var rawItems = []; - // This means "compare in a case insensitive manner." - var baseSensitivity = { sensitivity: "base" }; - // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[] - ts.forEach(program.getSourceFiles(), function (sourceFile) { - cancellationToken.throwIfCancellationRequested(); - var nameToDeclarations = sourceFile.getNamedDeclarations(); - for (var name_32 in nameToDeclarations) { - var declarations = ts.getProperty(nameToDeclarations, name_32); - if (declarations) { - // First do a quick check to see if the name of the declaration matches the - // last portion of the (possibly) dotted name they're searching for. - var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); - if (!matches) { - continue; - } - for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { - var declaration = declarations_6[_i]; - // It was a match! If the pattern has dots in it, then also see if the - // declaration container matches as well. - if (patternMatcher.patternContainsDots) { - var containers = getContainers(declaration); - if (!containers) { - return undefined; - } - matches = patternMatcher.getMatches(containers, name_32); - if (!matches) { - continue; - } - } - var fileName = sourceFile.fileName; - var matchKind = bestMatchKind(matches); - rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); - } - } - } - }); - rawItems.sort(compareNavigateToItems); - if (maxResultCount !== undefined) { - rawItems = rawItems.slice(0, maxResultCount); - } - var items = ts.map(rawItems, createNavigateToItem); - return items; - function allMatchesAreCaseSensitive(matches) { - ts.Debug.assert(matches.length > 0); - // This is a case sensitive match, only if all the submatches were case sensitive. - for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { - var match = matches_1[_i]; - if (!match.isCaseSensitive) { - return false; - } - } - return true; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 9 /* StringLiteral */ || - node.kind === 8 /* NumericLiteral */) { - return node.text; - } - } - return undefined; - } - function tryAddSingleDeclarationName(declaration, containers) { - if (declaration && declaration.name) { - var text = getTextOfIdentifierOrLiteral(declaration.name); - if (text !== undefined) { - containers.unshift(text); - } - else if (declaration.name.kind === 137 /* ComputedPropertyName */) { - return tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ true); - } - else { - // Don't know how to add this. - return false; - } - } - return true; - } - // Only added the names of computed properties if they're simple dotted expressions, like: - // - // [X.Y.Z]() { } - function tryAddComputedPropertyName(expression, containers, includeLastPortion) { - var text = getTextOfIdentifierOrLiteral(expression); - if (text !== undefined) { - if (includeLastPortion) { - containers.unshift(text); - } - return true; - } - if (expression.kind === 169 /* PropertyAccessExpression */) { - var propertyAccess = expression; - if (includeLastPortion) { - containers.unshift(propertyAccess.name.text); - } - return tryAddComputedPropertyName(propertyAccess.expression, containers, /*includeLastPortion*/ true); - } - return false; - } - function getContainers(declaration) { - var containers = []; - // First, if we started with a computed property name, then add all but the last - // portion into the container array. - if (declaration.name.kind === 137 /* ComputedPropertyName */) { - if (!tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ false)) { - return undefined; - } - } - // Now, walk up our containers, adding all their names to the container array. - declaration = ts.getContainerNode(declaration); - while (declaration) { - if (!tryAddSingleDeclarationName(declaration, containers)) { - return undefined; - } - declaration = ts.getContainerNode(declaration); - } - return containers; - } - function bestMatchKind(matches) { - ts.Debug.assert(matches.length > 0); - var bestMatchKind = ts.PatternMatchKind.camelCase; - for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { - var match = matches_2[_i]; - var kind = match.kind; - if (kind < bestMatchKind) { - bestMatchKind = kind; - } - } - return bestMatchKind; - } - function compareNavigateToItems(i1, i2) { - // TODO(cyrusn): get the gamut of comparisons that VS already uses here. - // Right now we just sort by kind first, and then by name of the item. - // We first sort case insensitively. So "Aaa" will come before "bar". - // Then we sort case sensitively, so "aaa" will come before "Aaa". - return i1.matchKind - i2.matchKind || - i1.name.localeCompare(i2.name, undefined, baseSensitivity) || - i1.name.localeCompare(i2.name); - } - function createNavigateToItem(rawItem) { - var declaration = rawItem.declaration; - var container = ts.getContainerNode(declaration); - return { - name: rawItem.name, - kind: ts.getNodeKind(declaration), - kindModifiers: ts.getNodeModifiers(declaration), - matchKind: ts.PatternMatchKind[rawItem.matchKind], - isCaseSensitive: rawItem.isCaseSensitive, - fileName: rawItem.fileName, - textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), - // TODO(jfreeman): What should be the containerName when the container has a computed name? - containerName: container && container.name ? container.name.text : "", - containerKind: container && container.name ? ts.getNodeKind(container) : "" - }; - } - } - NavigateTo.getNavigateToItems = getNavigateToItems; - })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var NavigationBar; - (function (NavigationBar) { - function getNavigationBarItems(sourceFile, compilerOptions) { - // If the source file has any child items, then it included in the tree - // and takes lexical ownership of all other top-level items. - var hasGlobalNode = false; - return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); - function getIndent(node) { - // If we have a global node in the tree, - // then it adds an extra layer of depth to all subnodes. - var indent = hasGlobalNode ? 1 : 0; - var current = node.parent; - while (current) { - switch (current.kind) { - case 221 /* ModuleDeclaration */: - // If we have a module declared as A.B.C, it is more "intuitive" - // to say it only has a single layer of depth - do { - current = current.parent; - } while (current.kind === 221 /* ModuleDeclaration */); - // fall through - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - indent++; - } - current = current.parent; - } - return indent; - } - function getChildNodes(nodes) { - var childNodes = []; - function visit(node) { - switch (node.kind) { - case 196 /* VariableStatement */: - ts.forEach(node.declarationList.declarations, visit); - break; - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - ts.forEach(node.elements, visit); - break; - case 231 /* ExportDeclaration */: - // Handle named exports case e.g.: - // export {a, b as B} from "mod"; - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225 /* ImportDeclaration */: - var importClause = node.importClause; - if (importClause) { - // Handle default import case e.g.: - // import d from "mod"; - if (importClause.name) { - childNodes.push(importClause); - } - // Handle named bindings in imports e.g.: - // import * as NS from "mod"; - // import {a, b as B} from "mod"; - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - childNodes.push(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - case 166 /* BindingElement */: - case 214 /* VariableDeclaration */: - if (ts.isBindingPattern(node.name)) { - visit(node.name); - break; - } - // Fall through - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - case 221 /* ModuleDeclaration */: - case 216 /* FunctionDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 233 /* ExportSpecifier */: - childNodes.push(node); - break; - } - } - //for (let i = 0, n = nodes.length; i < n; i++) { - // let node = nodes[i]; - // if (node.kind === SyntaxKind.ClassDeclaration || - // node.kind === SyntaxKind.EnumDeclaration || - // node.kind === SyntaxKind.InterfaceDeclaration || - // node.kind === SyntaxKind.ModuleDeclaration || - // node.kind === SyntaxKind.FunctionDeclaration) { - // childNodes.push(node); - // } - // else if (node.kind === SyntaxKind.VariableStatement) { - // childNodes.push.apply(childNodes, (node).declarations); - // } - //} - ts.forEach(nodes, visit); - return sortNodes(childNodes); - } - function getTopLevelNodes(node) { - var topLevelNodes = []; - topLevelNodes.push(node); - addTopLevelNodes(node.statements, topLevelNodes); - return topLevelNodes; - } - function sortNodes(nodes) { - return nodes.slice(0).sort(function (n1, n2) { - if (n1.name && n2.name) { - return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); - } - else if (n1.name) { - return 1; - } - else if (n2.name) { - return -1; - } - else { - return n1.kind - n2.kind; - } - }); - } - function addTopLevelNodes(nodes, topLevelNodes) { - nodes = sortNodes(nodes); - for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { - var node = nodes_4[_i]; - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 218 /* InterfaceDeclaration */: - topLevelNodes.push(node); - break; - case 221 /* ModuleDeclaration */: - var moduleDeclaration = node; - topLevelNodes.push(node); - addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); - break; - case 216 /* FunctionDeclaration */: - var functionDeclaration = node; - if (isTopLevelFunctionDeclaration(functionDeclaration)) { - topLevelNodes.push(node); - addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); - } - break; - } - } - } - function isTopLevelFunctionDeclaration(functionDeclaration) { - if (functionDeclaration.kind === 216 /* FunctionDeclaration */) { - // A function declaration is 'top level' if it contains any function declarations - // within it. - if (functionDeclaration.body && functionDeclaration.body.kind === 195 /* Block */) { - // Proper function declarations can only have identifier names - if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 /* FunctionDeclaration */ && !isEmpty(s.name.text); })) { - return true; - } - // Or if it is not parented by another function. i.e all functions - // at module scope are 'top level'. - if (!ts.isFunctionBlock(functionDeclaration.parent)) { - return true; - } - } - } - return false; - } - function getItemsWorker(nodes, createItem) { - var items = []; - var keyToItem = {}; - for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { - var child = nodes_5[_i]; - var item = createItem(child); - if (item !== undefined) { - if (item.text.length > 0) { - var key = item.text + "-" + item.kind + "-" + item.indent; - var itemWithSameName = keyToItem[key]; - if (itemWithSameName) { - // We had an item with the same name. Merge these items together. - merge(itemWithSameName, item); - } - else { - keyToItem[key] = item; - items.push(item); - } - } - } - } - return items; - } - function merge(target, source) { - // First, add any spans in the source to the target. - ts.addRange(target.spans, source.spans); - if (source.childItems) { - if (!target.childItems) { - target.childItems = []; - } - // Next, recursively merge or add any children in the source as appropriate. - outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { - var sourceChild = _a[_i]; - for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { - var targetChild = _c[_b]; - if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { - // Found a match. merge them. - merge(targetChild, sourceChild); - continue outer; - } - } - // Didn't find a match, just add this child to the list. - target.childItems.push(sourceChild); - } - } - } - function createChildItem(node) { - switch (node.kind) { - case 139 /* Parameter */: - if (ts.isBindingPattern(node.name)) { - break; - } - if ((node.flags & 1022 /* Modifier */) === 0) { - return undefined; - } - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); - case 146 /* GetAccessor */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); - case 147 /* SetAccessor */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); - case 150 /* IndexSignature */: - return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); - case 250 /* EnumMember */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 148 /* CallSignature */: - return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); - case 149 /* ConstructSignature */: - return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); - case 216 /* FunctionDeclaration */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - var variableDeclarationNode = void 0; - var name_33; - if (node.kind === 166 /* BindingElement */) { - name_33 = node.name; - variableDeclarationNode = node; - // binding elements are added only for variable declarations - // bubble up to the containing variable declaration - while (variableDeclarationNode && variableDeclarationNode.kind !== 214 /* VariableDeclaration */) { - variableDeclarationNode = variableDeclarationNode.parent; - } - ts.Debug.assert(variableDeclarationNode !== undefined); - } - else { - ts.Debug.assert(!ts.isBindingPattern(node.name)); - variableDeclarationNode = node; - name_33 = node.name; - } - if (ts.isConst(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); - } - else if (ts.isLet(variableDeclarationNode)) { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); - } - else { - return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); - } - case 145 /* Constructor */: - return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); - case 233 /* ExportSpecifier */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); - } - return undefined; - function createItem(node, name, scriptElementKind) { - return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); - } - } - function isEmpty(text) { - return !text || text.trim() === ""; - } - function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { - if (childItems === void 0) { childItems = []; } - if (indent === void 0) { indent = 0; } - if (isEmpty(text)) { - return undefined; - } - return { - text: text, - kind: kind, - kindModifiers: kindModifiers, - spans: spans, - childItems: childItems, - indent: indent, - bolded: false, - grayed: false - }; - } - function createTopLevelItem(node) { - switch (node.kind) { - case 251 /* SourceFile */: - return createSourceFileItem(node); - case 217 /* ClassDeclaration */: - return createClassItem(node); - case 220 /* EnumDeclaration */: - return createEnumItem(node); - case 218 /* InterfaceDeclaration */: - return createIterfaceItem(node); - case 221 /* ModuleDeclaration */: - return createModuleItem(node); - case 216 /* FunctionDeclaration */: - return createFunctionItem(node); - } - return undefined; - function getModuleName(moduleDeclaration) { - // We want to maintain quotation marks. - if (ts.isAmbientModule(moduleDeclaration)) { - return getTextOfNode(moduleDeclaration.name); - } - // Otherwise, we need to aggregate each identifier to build up the qualified name. - var result = []; - result.push(moduleDeclaration.name.text); - while (moduleDeclaration.body && moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { - moduleDeclaration = moduleDeclaration.body; - result.push(moduleDeclaration.name.text); - } - return result.join("."); - } - function createModuleItem(node) { - var moduleName = getModuleName(node); - var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); - return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createFunctionItem(node) { - if (node.body && node.body.kind === 195 /* Block */) { - var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); - return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - return undefined; - } - function createSourceFileItem(node) { - var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); - if (childItems === undefined || childItems.length === 0) { - return undefined; - } - hasGlobalNode = true; - var rootName = ts.isExternalModule(node) - ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" - : ""; - return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); - } - function createClassItem(node) { - var childItems; - if (node.members) { - var constructor = ts.forEach(node.members, function (member) { - return member.kind === 145 /* Constructor */ && member; - }); - // Add the constructor parameters in as children of the class (for property parameters). - // Note that *all non-binding pattern named* parameters will be added to the nodes array, but parameters that - // are not properties will be filtered out later by createChildItem. - var nodes = removeDynamicallyNamedProperties(node); - if (constructor) { - ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); - } - childItems = getItemsWorker(sortNodes(nodes), createChildItem); - } - var nodeName = !node.name ? "default" : node.name.text; - return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createEnumItem(node) { - var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - function createIterfaceItem(node) { - var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); - return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); - } - } - function removeComputedProperties(node) { - return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137 /* ComputedPropertyName */; }); - } - /** - * Like removeComputedProperties, but retains the properties with well known symbol names - */ - function removeDynamicallyNamedProperties(node) { - return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); - } - function getInnermostModule(node) { - while (node.body.kind === 221 /* ModuleDeclaration */) { - node = node.body; - } - return node; - } - function getNodeSpan(node) { - return node.kind === 251 /* SourceFile */ - ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) - : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); - } - function getTextOfNode(node) { - return ts.getTextOfNodeFromSourceText(sourceFile.text, node); - } - } - NavigationBar.getNavigationBarItems = getNavigationBarItems; - })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); -})(ts || (ts = {})); -/* @internal */ -var ts; -(function (ts) { - // Note(cyrusn): this enum is ordered from strongest match type to weakest match type. - (function (PatternMatchKind) { - PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; - PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; - PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; - PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; - })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); - var PatternMatchKind = ts.PatternMatchKind; - function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { - return { - kind: kind, - punctuationStripped: punctuationStripped, - isCaseSensitive: isCaseSensitive, - camelCaseWeight: camelCaseWeight - }; - } - function createPatternMatcher(pattern) { - // We'll often see the same candidate string many times when searching (For example, when - // we see the name of a module that is used everywhere, or the name of an overload). As - // such, we cache the information we compute about the candidate for the life of this - // pattern matcher so we don't have to compute it multiple times. - var stringToWordSpans = {}; - pattern = pattern.trim(); - var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); - var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); - return { - getMatches: getMatches, - getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, - patternContainsDots: dotSeparatedSegments.length > 1 - }; - // Quick checks so we can bail out when asked to match a candidate. - function skipMatch(candidate) { - return invalidPattern || !candidate; - } - function getMatchesForLastSegmentOfPattern(candidate) { - if (skipMatch(candidate)) { - return undefined; - } - return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - } - function getMatches(candidateContainers, candidate) { - if (skipMatch(candidate)) { - return undefined; - } - // First, check that the last part of the dot separated pattern matches the name of the - // candidate. If not, then there's no point in proceeding and doing the more - // expensive work. - var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); - if (!candidateMatch) { - return undefined; - } - candidateContainers = candidateContainers || []; - // -1 because the last part was checked against the name, and only the rest - // of the parts are checked against the container. - if (dotSeparatedSegments.length - 1 > candidateContainers.length) { - // There weren't enough container parts to match against the pattern parts. - // So this definitely doesn't match. - return undefined; - } - // So far so good. Now break up the container for the candidate and check if all - // the dotted parts match up correctly. - var totalMatch = candidateMatch; - for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { - var segment = dotSeparatedSegments[i]; - var containerName = candidateContainers[j]; - var containerMatch = matchSegment(containerName, segment); - if (!containerMatch) { - // This container didn't match the pattern piece. So there's no match at all. - return undefined; - } - ts.addRange(totalMatch, containerMatch); - } - // Success, this symbol's full name matched against the dotted name the user was asking - // about. - return totalMatch; - } - function getWordSpans(word) { - if (!ts.hasProperty(stringToWordSpans, word)) { - stringToWordSpans[word] = breakIntoWordSpans(word); - } - return stringToWordSpans[word]; - } - function matchTextChunk(candidate, chunk, punctuationStripped) { - var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); - if (index === 0) { - if (chunk.text.length === candidate.length) { - // a) Check if the part matches the candidate entirely, in an case insensitive or - // sensitive manner. If it does, return that there was an exact match. - return createPatternMatch(PatternMatchKind.exact, punctuationStripped, /*isCaseSensitive:*/ candidate === chunk.text); - } - else { - // b) Check if the part is a prefix of the candidate, in a case insensitive or sensitive - // manner. If it does, return that there was a prefix match. - return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, /*isCaseSensitive:*/ startsWith(candidate, chunk.text)); - } - } - var isLowercase = chunk.isLowerCase; - if (isLowercase) { - if (index > 0) { - // c) If the part is entirely lowercase, then check if it is contained anywhere in the - // candidate in a case insensitive manner. If so, return that there was a substring - // match. - // - // Note: We only have a substring match if the lowercase part is prefix match of some - // word part. That way we don't match something like 'Class' when the user types 'a'. - // But we would match 'FooAttribute' (since 'Attribute' starts with 'a'). - var wordSpans = getWordSpans(candidate); - for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { - var span = wordSpans_1[_i]; - if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, - /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false)); - } - } - } - } - else { - // d) If the part was not entirely lowercase, then check if it is contained in the - // candidate in a case *sensitive* manner. If so, return that there was a substring - // match. - if (candidate.indexOf(chunk.text) > 0) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ true); - } - } - if (!isLowercase) { - // e) If the part was not entirely lowercase, then attempt a camel cased match as well. - if (chunk.characterSpans.length > 0) { - var candidateParts = getWordSpans(candidate); - var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ true, /*camelCaseWeight:*/ camelCaseWeight); - } - camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true); - if (camelCaseWeight !== undefined) { - return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ false, /*camelCaseWeight:*/ camelCaseWeight); - } - } - } - if (isLowercase) { - // f) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries? - // We could check every character boundary start of the candidate for the pattern. However, that's - // an m * n operation in the wost case. Instead, find the first instance of the pattern - // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to - // filter the list based on a substring that starts on a capital letter and also with a lowercase one. - // (Pattern: fogbar, Candidate: quuxfogbarFogBar). - if (chunk.text.length < candidate.length) { - if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { - return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ false); - } - } - } - return undefined; - } - function containsSpaceOrAsterisk(text) { - for (var i = 0; i < text.length; i++) { - var ch = text.charCodeAt(i); - if (ch === 32 /* space */ || ch === 42 /* asterisk */) { - return true; - } - } - return false; - } - function matchSegment(candidate, segment) { - // First check if the segment matches as is. This is also useful if the segment contains - // characters we would normally strip when splitting into parts that we also may want to - // match in the candidate. For example if the segment is "@int" and the candidate is - // "@int", then that will show up as an exact match here. - // - // Note: if the segment contains a space or an asterisk then we must assume that it's a - // multi-word segment. - if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { - var match = matchTextChunk(candidate, segment.totalTextChunk, /*punctuationStripped:*/ false); - if (match) { - return [match]; - } - } - // The logic for pattern matching is now as follows: - // - // 1) Break the segment passed in into words. Breaking is rather simple and a - // good way to think about it that if gives you all the individual alphanumeric words - // of the pattern. - // - // 2) For each word try to match the word against the candidate value. - // - // 3) Matching is as follows: - // - // a) Check if the word matches the candidate entirely, in an case insensitive or - // sensitive manner. If it does, return that there was an exact match. - // - // b) Check if the word is a prefix of the candidate, in a case insensitive or - // sensitive manner. If it does, return that there was a prefix match. - // - // c) If the word is entirely lowercase, then check if it is contained anywhere in the - // candidate in a case insensitive manner. If so, return that there was a substring - // match. - // - // Note: We only have a substring match if the lowercase part is prefix match of - // some word part. That way we don't match something like 'Class' when the user - // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with - // 'a'). - // - // d) If the word was not entirely lowercase, then check if it is contained in the - // candidate in a case *sensitive* manner. If so, return that there was a substring - // match. - // - // e) If the word was not entirely lowercase, then attempt a camel cased match as - // well. - // - // f) The word is all lower case. Is it a case insensitive substring of the candidate starting - // on a part boundary of the candidate? - // - // Only if all words have some sort of match is the pattern considered matched. - var subWordTextChunks = segment.subWordTextChunks; - var matches = undefined; - for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { - var subWordTextChunk = subWordTextChunks_1[_i]; - // Try to match the candidate with this word - var result = matchTextChunk(candidate, subWordTextChunk, /*punctuationStripped:*/ true); - if (!result) { - return undefined; - } - matches = matches || []; - matches.push(result); - } - return matches; - } - function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { - var patternPartStart = patternSpan ? patternSpan.start : 0; - var patternPartLength = patternSpan ? patternSpan.length : pattern.length; - if (patternPartLength > candidateSpan.length) { - // Pattern part is longer than the candidate part. There can never be a match. - return false; - } - if (ignoreCase) { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (toLowerCase(ch1) !== toLowerCase(ch2)) { - return false; - } - } - } - else { - for (var i = 0; i < patternPartLength; i++) { - var ch1 = pattern.charCodeAt(patternPartStart + i); - var ch2 = candidate.charCodeAt(candidateSpan.start + i); - if (ch1 !== ch2) { - return false; - } - } - } - return true; - } - function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { - var chunkCharacterSpans = chunk.characterSpans; - // Note: we may have more pattern parts than candidate parts. This is because multiple - // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI". - // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U - // and I will both match in UI. - var currentCandidate = 0; - var currentChunkSpan = 0; - var firstMatch = undefined; - var contiguous = undefined; - while (true) { - // Let's consider our termination cases - if (currentChunkSpan === chunkCharacterSpans.length) { - // We did match! We shall assign a weight to this - var weight = 0; - // Was this contiguous? - if (contiguous) { - weight += 1; - } - // Did we start at the beginning of the candidate? - if (firstMatch === 0) { - weight += 2; - } - return weight; - } - else if (currentCandidate === candidateParts.length) { - // No match, since we still have more of the pattern to hit - return undefined; - } - var candidatePart = candidateParts[currentCandidate]; - var gotOneMatchThisCandidate = false; - // Consider the case of matching SiUI against SimpleUIElement. The candidate parts - // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si' - // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to - // still keep matching pattern parts against that candidate part. - for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { - var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; - if (gotOneMatchThisCandidate) { - // We've already gotten one pattern part match in this candidate. We will - // only continue trying to consumer pattern parts if the last part and this - // part are both upper case. - if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || - !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { - break; - } - } - if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { - break; - } - gotOneMatchThisCandidate = true; - firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; - // If we were contiguous, then keep that value. If we weren't, then keep that - // value. If we don't know, then set the value to 'true' as an initial match is - // obviously contiguous. - contiguous = contiguous === undefined ? true : contiguous; - candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); - } - // Check if we matched anything at all. If we didn't, then we need to unset the - // contiguous bit if we currently had it set. - // If we haven't set the bit yet, then that means we haven't matched anything so - // far, and we don't want to change that. - if (!gotOneMatchThisCandidate && contiguous !== undefined) { - contiguous = false; - } - // Move onto the next candidate. - currentCandidate++; - } - } - } - ts.createPatternMatcher = createPatternMatcher; - function createSegment(text) { - return { - totalTextChunk: createTextChunk(text), - subWordTextChunks: breakPatternIntoTextChunks(text) - }; - } - // A segment is considered invalid if we couldn't find any words in it. - function segmentIsInvalid(segment) { - return segment.subWordTextChunks.length === 0; - } - function isUpperCaseLetter(ch) { - // Fast check for the ascii range. - if (ch >= 65 /* A */ && ch <= 90 /* Z */) { - return true; - } - if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { - return false; - } - // TODO: find a way to determine this for any unicode characters in a - // non-allocating manner. - var str = String.fromCharCode(ch); - return str === str.toUpperCase(); - } - function isLowerCaseLetter(ch) { - // Fast check for the ascii range. - if (ch >= 97 /* a */ && ch <= 122 /* z */) { - return true; - } - if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { - return false; - } - // TODO: find a way to determine this for any unicode characters in a - // non-allocating manner. - var str = String.fromCharCode(ch); - return str === str.toLowerCase(); - } - function startsWith(string, search) { - for (var i = 0, n = search.length; i < n; i++) { - if (string.charCodeAt(i) !== search.charCodeAt(i)) { - return false; - } - } - return true; - } - // Assumes 'value' is already lowercase. - function indexOfIgnoringCase(string, value) { - for (var i = 0, n = string.length - value.length; i <= n; i++) { - if (startsWithIgnoringCase(string, value, i)) { - return i; - } - } - return -1; - } - // Assumes 'value' is already lowercase. - function startsWithIgnoringCase(string, value, start) { - for (var i = 0, n = value.length; i < n; i++) { - var ch1 = toLowerCase(string.charCodeAt(i + start)); - var ch2 = value.charCodeAt(i); - if (ch1 !== ch2) { - return false; - } - } - return true; - } - function toLowerCase(ch) { - // Fast convert for the ascii range. - if (ch >= 65 /* A */ && ch <= 90 /* Z */) { - return 97 /* a */ + (ch - 65 /* A */); - } - if (ch < 127 /* maxAsciiCharacter */) { - return ch; - } - // TODO: find a way to compute this for any unicode characters in a - // non-allocating manner. - return String.fromCharCode(ch).toLowerCase().charCodeAt(0); - } - function isDigit(ch) { - // TODO(cyrusn): Find a way to support this for unicode digits. - return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; - } - function isWordChar(ch) { - return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* _ */ || ch === 36 /* $ */; - } - function breakPatternIntoTextChunks(pattern) { - var result = []; - var wordStart = 0; - var wordLength = 0; - for (var i = 0; i < pattern.length; i++) { - var ch = pattern.charCodeAt(i); - if (isWordChar(ch)) { - if (wordLength === 0) { - wordStart = i; - } - wordLength++; - } - else { - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - wordLength = 0; - } - } - } - if (wordLength > 0) { - result.push(createTextChunk(pattern.substr(wordStart, wordLength))); - } - return result; - } - function createTextChunk(text) { - var textLowerCase = text.toLowerCase(); - return { - text: text, - textLowerCase: textLowerCase, - isLowerCase: text === textLowerCase, - characterSpans: breakIntoCharacterSpans(text) - }; - } - /* @internal */ function breakIntoCharacterSpans(identifier) { - return breakIntoSpans(identifier, /*word:*/ false); - } - ts.breakIntoCharacterSpans = breakIntoCharacterSpans; - /* @internal */ function breakIntoWordSpans(identifier) { - return breakIntoSpans(identifier, /*word:*/ true); - } - ts.breakIntoWordSpans = breakIntoWordSpans; - function breakIntoSpans(identifier, word) { - var result = []; - var wordStart = 0; - for (var i = 1, n = identifier.length; i < n; i++) { - var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); - var currentIsDigit = isDigit(identifier.charCodeAt(i)); - var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); - var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); - if (charIsPunctuation(identifier.charCodeAt(i - 1)) || - charIsPunctuation(identifier.charCodeAt(i)) || - lastIsDigit !== currentIsDigit || - hasTransitionFromLowerToUpper || - hasTransitionFromUpperToLower) { - if (!isAllPunctuation(identifier, wordStart, i)) { - result.push(ts.createTextSpan(wordStart, i - wordStart)); - } - wordStart = i; - } - } - if (!isAllPunctuation(identifier, wordStart, identifier.length)) { - result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); - } - return result; - } - function charIsPunctuation(ch) { - switch (ch) { - case 33 /* exclamation */: - case 34 /* doubleQuote */: - case 35 /* hash */: - case 37 /* percent */: - case 38 /* ampersand */: - case 39 /* singleQuote */: - case 40 /* openParen */: - case 41 /* closeParen */: - case 42 /* asterisk */: - case 44 /* comma */: - case 45 /* minus */: - case 46 /* dot */: - case 47 /* slash */: - case 58 /* colon */: - case 59 /* semicolon */: - case 63 /* question */: - case 64 /* at */: - case 91 /* openBracket */: - case 92 /* backslash */: - case 93 /* closeBracket */: - case 95 /* _ */: - case 123 /* openBrace */: - case 125 /* closeBrace */: - return true; - } - return false; - } - function isAllPunctuation(identifier, start, end) { - for (var i = start; i < end; i++) { - var ch = identifier.charCodeAt(i); - // We don't consider _ or $ as punctuation as there may be things with that name. - if (!charIsPunctuation(ch) || ch === 95 /* _ */ || ch === 36 /* $ */) { - return false; - } - } - return true; - } - function transitionFromUpperToLower(identifier, word, index, wordStart) { - if (word) { - // Cases this supports: - // 1) IDisposable -> I, Disposable - // 2) UIElement -> UI, Element - // 3) HTMLDocument -> HTML, Document - // - // etc. - if (index !== wordStart && - index + 1 < identifier.length) { - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); - if (currentIsUpper && nextIsLower) { - // We have a transition from an upper to a lower letter here. But we only - // want to break if all the letters that preceded are uppercase. i.e. if we - // have "Foo" we don't want to break that into "F, oo". But if we have - // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI, - // Foo". i.e. the last uppercase letter belongs to the lowercase letters - // that follows. Note: this will make the following not split properly: - // "HELLOthere". However, these sorts of names do not show up in .Net - // programs. - for (var i = wordStart; i < index; i++) { - if (!isUpperCaseLetter(identifier.charCodeAt(i))) { - return false; - } - } - return true; - } - } - } - return false; - } - function transitionFromLowerToUpper(identifier, word, index) { - var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); - var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); - // See if the casing indicates we're starting a new word. Note: if we're breaking on - // words, then just seeing an upper case character isn't enough. Instead, it has to - // be uppercase and the previous character can't be uppercase. - // - // For example, breaking "AddMetadata" on words would make: Add Metadata - // - // on characters would be: A dd M etadata - // - // Break "AM" on words would be: AM - // - // on characters would be: A M - // - // We break the search string on characters. But we break the symbol name on words. - var transition = word - ? (currentIsUpper && !lastIsUpper) - : currentIsUpper; - return transition; - } -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var SignatureHelp; - (function (SignatureHelp) { - // A partially written generic type expression is not guaranteed to have the correct syntax tree. the expression could be parsed as less than/greater than expression or a comma expression - // or some other combination depending on what the user has typed so far. For the purposes of signature help we need to consider any location after "<" as a possible generic type reference. - // To do this, the method will back parse the expression starting at the position required. it will try to parse the current expression as a generic type expression, if it did succeed it - // will return the generic identifier that started the expression (e.g. "foo" in "foo(#a, b) -> The token introduces a list, and should begin a sig help session - // Case 2: - // fo#o#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end - // Case 3: - // foo(a#, #b#) -> The token is buried inside a list, and should give sig help - // Find out if 'node' is an argument, a type argument, or neither - if (node.kind === 25 /* LessThanToken */ || - node.kind === 17 /* OpenParenToken */) { - // Find the list that starts right *after* the < or ( token. - // If the user has just opened a list, consider this item 0. - var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - ts.Debug.assert(list !== undefined); - return { - kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: 0, - argumentCount: getArgumentCount(list) - }; - } - // findListItemInfo can return undefined if we are not in parent's argument list - // or type argument list. This includes cases where the cursor is: - // - To the right of the closing paren, non-substitution template, or template tail. - // - Between the type arguments and the arguments (greater than token) - // - On the target of the call (parent.func) - // - On the 'new' keyword in a 'new' expression - var listItemInfo = ts.findListItemInfo(node); - if (listItemInfo) { - var list = listItemInfo.list; - var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; - var argumentIndex = getArgumentIndex(list, node); - var argumentCount = getArgumentCount(list); - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, - invocation: callExpression, - argumentsSpan: getApplicableSpanForArguments(list), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - } - else if (node.kind === 11 /* NoSubstitutionTemplateLiteral */ && node.parent.kind === 173 /* TaggedTemplateExpression */) { - // Check if we're actually inside the template; - // otherwise we'll fall out and return undefined. - if (ts.isInsideTemplateLiteral(node, position)) { - return getArgumentListInfoForTemplate(node.parent, /*argumentIndex*/ 0); - } - } - else if (node.kind === 12 /* TemplateHead */ && node.parent.parent.kind === 173 /* TaggedTemplateExpression */) { - var templateExpression = node.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); - var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - else if (node.parent.kind === 193 /* TemplateSpan */ && node.parent.parent.parent.kind === 173 /* TaggedTemplateExpression */) { - var templateSpan = node.parent; - var templateExpression = templateSpan.parent; - var tagExpression = templateExpression.parent; - ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); - // If we're just after a template tail, don't show signature help. - if (node.kind === 14 /* TemplateTail */ && !ts.isInsideTemplateLiteral(node, position)) { - return undefined; - } - var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); - var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); - return getArgumentListInfoForTemplate(tagExpression, argumentIndex); - } - return undefined; - } - function getArgumentIndex(argumentsList, node) { - // The list we got back can include commas. In the presence of errors it may - // also just have nodes without commas. For example "Foo(a b c)" will have 3 - // args without commas. We want to find what index we're at. So we count - // forward until we hit ourselves, only incrementing the index if it isn't a - // comma. - // - // Note: the subtlety around trailing commas (in getArgumentCount) does not apply - // here. That's because we're only walking forward until we hit the node we're - // on. In that case, even if we're after the trailing comma, we'll still see - // that trailing comma in the list, and we'll have generated the appropriate - // arg index. - var argumentIndex = 0; - var listChildren = argumentsList.getChildren(); - for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { - var child = listChildren_1[_i]; - if (child === node) { - break; - } - if (child.kind !== 24 /* CommaToken */) { - argumentIndex++; - } - } - return argumentIndex; - } - function getArgumentCount(argumentsList) { - // The argument count for a list is normally the number of non-comma children it has. - // For example, if you have "Foo(a,b)" then there will be three children of the arg - // list 'a' '' 'b'. So, in this case the arg count will be 2. However, there - // is a small subtlety. If you have "Foo(a,)", then the child list will just have - // 'a' ''. So, in the case where the last child is a comma, we increase the - // arg count by one to compensate. - // - // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then - // we'll have: 'a' '' '' - // That will give us 2 non-commas. We then add one for the last comma, givin us an - // arg count of 3. - var listChildren = argumentsList.getChildren(); - var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24 /* CommaToken */; }); - if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24 /* CommaToken */) { - argumentCount++; - } - return argumentCount; - } - // spanIndex is either the index for a given template span. - // This does not give appropriate results for a NoSubstitutionTemplateLiteral - function getArgumentIndexForTemplatePiece(spanIndex, node) { - // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1. - // There are three cases we can encounter: - // 1. We are precisely in the template literal (argIndex = 0). - // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1). - // 3. We are directly to the right of the template literal, but because we look for the token on the left, - // not enough to put us in the substitution expression; we should consider ourselves part of - // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1). - // - // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # ` - // ^ ^ ^ ^ ^ ^ ^ ^ ^ - // Case: 1 1 3 2 1 3 2 2 1 - ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); - if (ts.isTemplateLiteralKind(node.kind)) { - if (ts.isInsideTemplateLiteral(node, position)) { - return 0; - } - return spanIndex + 2; - } - return spanIndex + 1; - } - function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { - // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument. - var argumentCount = tagExpression.template.kind === 11 /* NoSubstitutionTemplateLiteral */ - ? 1 - : tagExpression.template.templateSpans.length + 1; - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - kind: 2 /* TaggedTemplateArguments */, - invocation: tagExpression, - argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - } - function getApplicableSpanForArguments(argumentsList) { - // We use full start and skip trivia on the end because we want to include trivia on - // both sides. For example, - // - // foo( /*comment */ a, b, c /*comment*/ ) - // | | - // - // The applicable span is from the first bar to the second bar (inclusive, - // but not including parentheses) - var applicableSpanStart = argumentsList.getFullStart(); - var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false); - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getApplicableSpanForTaggedTemplate(taggedTemplate) { - var template = taggedTemplate.template; - var applicableSpanStart = template.getStart(); - var applicableSpanEnd = template.getEnd(); - // We need to adjust the end position for the case where the template does not have a tail. - // Otherwise, we will not show signature help past the expression. - // For example, - // - // ` ${ 1 + 1 foo(10) - // | | - // - // This is because a Missing node has no width. However, what we actually want is to include trivia - // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail. - if (template.kind === 186 /* TemplateExpression */) { - var lastSpan = ts.lastOrUndefined(template.templateSpans); - if (lastSpan.literal.getFullWidth() === 0) { - applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false); - } - } - return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); - } - function getContainingArgumentInfo(node) { - for (var n = node; n.kind !== 251 /* SourceFile */; n = n.parent) { - if (ts.isFunctionBlock(n)) { - return undefined; - } - // If the node is not a subspan of its parent, this is a big problem. - // There have been crashes that might be caused by this violation. - if (n.pos < n.parent.pos || n.end > n.parent.end) { - ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); - } - var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); - if (argumentInfo_1) { - return argumentInfo_1; - } - } - return undefined; - } - function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { - var children = parent.getChildren(sourceFile); - var indexOfOpenerToken = children.indexOf(openerToken); - ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); - return children[indexOfOpenerToken + 1]; - } - /** - * The selectedItemIndex could be negative for several reasons. - * 1. There are too many arguments for all of the overloads - * 2. None of the overloads were type compatible - * The solution here is to try to pick the best overload by picking - * either the first one that has an appropriate number of parameters, - * or the one with the most parameters. - */ - function selectBestInvalidOverloadIndex(candidates, argumentCount) { - var maxParamsSignatureIndex = -1; - var maxParams = -1; - for (var i = 0; i < candidates.length; i++) { - var candidate = candidates[i]; - if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { - return i; - } - if (candidate.parameters.length > maxParams) { - maxParams = candidate.parameters.length; - maxParamsSignatureIndex = i; - } - } - return maxParamsSignatureIndex; - } - function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { - var applicableSpan = argumentListInfo.argumentsSpan; - var isTypeParameterList = argumentListInfo.kind === 0 /* TypeArguments */; - var invocation = argumentListInfo.invocation; - var callTarget = ts.getInvokedExpression(invocation); - var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); - var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, /*enclosingDeclaration*/ undefined, /*meaning*/ undefined); - var items = ts.map(candidates, function (candidateSignature) { - var signatureHelpParameters; - var prefixDisplayParts = []; - var suffixDisplayParts = []; - if (callTargetDisplayParts) { - ts.addRange(prefixDisplayParts, callTargetDisplayParts); - } - if (isTypeParameterList) { - prefixDisplayParts.push(ts.punctuationPart(25 /* LessThanToken */)); - var typeParameters = candidateSignature.typeParameters; - signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(27 /* GreaterThanToken */)); - var parameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); - }); - ts.addRange(suffixDisplayParts, parameterParts); - } - else { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); - }); - ts.addRange(prefixDisplayParts, typeParameterParts); - prefixDisplayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - var parameters = candidateSignature.parameters; - signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; - suffixDisplayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - var returnTypeParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); - }); - ts.addRange(suffixDisplayParts, returnTypeParts); - return { - isVariadic: candidateSignature.hasRestParameter, - prefixDisplayParts: prefixDisplayParts, - suffixDisplayParts: suffixDisplayParts, - separatorDisplayParts: [ts.punctuationPart(24 /* CommaToken */), ts.spacePart()], - parameters: signatureHelpParameters, - documentation: candidateSignature.getDocumentationComment() - }; - }); - var argumentIndex = argumentListInfo.argumentIndex; - // argumentCount is the *apparent* number of arguments. - var argumentCount = argumentListInfo.argumentCount; - var selectedItemIndex = candidates.indexOf(bestSignature); - if (selectedItemIndex < 0) { - selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); - } - ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); - return { - items: items, - applicableSpan: applicableSpan, - selectedItemIndex: selectedItemIndex, - argumentIndex: argumentIndex, - argumentCount: argumentCount - }; - function createSignatureHelpParameterForParameter(parameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); - }); - return { - name: parameter.name, - documentation: parameter.getDocumentationComment(), - displayParts: displayParts, - isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) - }; - } - function createSignatureHelpParameterForTypeParameter(typeParameter) { - var displayParts = ts.mapToDisplayParts(function (writer) { - return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); - }); - return { - name: typeParameter.symbol.name, - documentation: emptyArray, - displayParts: displayParts, - isOptional: false - }; - } - } - } - SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; - })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); -})(ts || (ts = {})); -// These utilities are common to multiple language service features. -/* @internal */ -var ts; -(function (ts) { - function getEndLinePosition(line, sourceFile) { - ts.Debug.assert(line >= 0); - var lineStarts = sourceFile.getLineStarts(); - var lineIndex = line; - if (lineIndex + 1 === lineStarts.length) { - // last line - return EOF - return sourceFile.text.length - 1; - } - else { - // current line start - var start = lineStarts[lineIndex]; - // take the start position of the next line -1 = it should be some line break - var pos = lineStarts[lineIndex + 1] - 1; - ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); - // walk backwards skipping line breaks, stop the the beginning of current line. - // i.e: - // - // $ <- end of line for this position should match the start position - while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos--; - } - return pos; - } - } - ts.getEndLinePosition = getEndLinePosition; - function getLineStartPositionForPosition(position, sourceFile) { - var lineStarts = sourceFile.getLineStarts(); - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - return lineStarts[line]; - } - ts.getLineStartPositionForPosition = getLineStartPositionForPosition; - function rangeContainsRange(r1, r2) { - return startEndContainsRange(r1.pos, r1.end, r2); - } - ts.rangeContainsRange = rangeContainsRange; - function startEndContainsRange(start, end, range) { - return start <= range.pos && end >= range.end; - } - ts.startEndContainsRange = startEndContainsRange; - function rangeContainsStartEnd(range, start, end) { - return range.pos <= start && range.end >= end; - } - ts.rangeContainsStartEnd = rangeContainsStartEnd; - function rangeOverlapsWithStartEnd(r1, start, end) { - return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); - } - ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; - function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { - var start = Math.max(start1, start2); - var end = Math.min(end1, end2); - return start < end; - } - ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; - function positionBelongsToNode(candidate, position, sourceFile) { - return candidate.end > position || !isCompletedNode(candidate, sourceFile); - } - ts.positionBelongsToNode = positionBelongsToNode; - function isCompletedNode(n, sourceFile) { - if (ts.nodeIsMissing(n)) { - return false; - } - switch (n.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 168 /* ObjectLiteralExpression */: - case 164 /* ObjectBindingPattern */: - case 156 /* TypeLiteral */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - case 223 /* CaseBlock */: - return nodeEndsWith(n, 16 /* CloseBraceToken */, sourceFile); - case 247 /* CatchClause */: - return isCompletedNode(n.block, sourceFile); - case 172 /* NewExpression */: - if (!n.arguments) { - return true; - } - // fall through - case 171 /* CallExpression */: - case 175 /* ParenthesizedExpression */: - case 161 /* ParenthesizedType */: - return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - return isCompletedNode(n.type, sourceFile); - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 149 /* ConstructSignature */: - case 148 /* CallSignature */: - case 177 /* ArrowFunction */: - if (n.body) { - return isCompletedNode(n.body, sourceFile); - } - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - // Even though type parameters can be unclosed, we can get away with - // having at least a closing paren. - return hasChildOfKind(n, 18 /* CloseParenToken */, sourceFile); - case 221 /* ModuleDeclaration */: - return n.body && isCompletedNode(n.body, sourceFile); - case 199 /* IfStatement */: - if (n.elseStatement) { - return isCompletedNode(n.elseStatement, sourceFile); - } - return isCompletedNode(n.thenStatement, sourceFile); - case 198 /* ExpressionStatement */: - return isCompletedNode(n.expression, sourceFile) || - hasChildOfKind(n, 23 /* SemicolonToken */); - case 167 /* ArrayLiteralExpression */: - case 165 /* ArrayBindingPattern */: - case 170 /* ElementAccessExpression */: - case 137 /* ComputedPropertyName */: - case 158 /* TupleType */: - return nodeEndsWith(n, 20 /* CloseBracketToken */, sourceFile); - case 150 /* IndexSignature */: - if (n.type) { - return isCompletedNode(n.type, sourceFile); - } - return hasChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicitly always consider them non-completed - return false; - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - return isCompletedNode(n.statement, sourceFile); - case 200 /* DoStatement */: - // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')'; - var hasWhileKeyword = findChildOfKind(n, 104 /* WhileKeyword */, sourceFile); - if (hasWhileKeyword) { - return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); - } - return isCompletedNode(n.statement, sourceFile); - case 155 /* TypeQuery */: - return isCompletedNode(n.exprName, sourceFile); - case 179 /* TypeOfExpression */: - case 178 /* DeleteExpression */: - case 180 /* VoidExpression */: - case 187 /* YieldExpression */: - case 188 /* SpreadElementExpression */: - var unaryWordExpression = n; - return isCompletedNode(unaryWordExpression.expression, sourceFile); - case 173 /* TaggedTemplateExpression */: - return isCompletedNode(n.template, sourceFile); - case 186 /* TemplateExpression */: - var lastSpan = ts.lastOrUndefined(n.templateSpans); - return isCompletedNode(lastSpan, sourceFile); - case 193 /* TemplateSpan */: - return ts.nodeIsPresent(n.literal); - case 182 /* PrefixUnaryExpression */: - return isCompletedNode(n.operand, sourceFile); - case 184 /* BinaryExpression */: - return isCompletedNode(n.right, sourceFile); - case 185 /* ConditionalExpression */: - return isCompletedNode(n.whenFalse, sourceFile); - default: - return true; - } - } - ts.isCompletedNode = isCompletedNode; - /* - * Checks if node ends with 'expectedLastToken'. - * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'. - */ - function nodeEndsWith(n, expectedLastToken, sourceFile) { - var children = n.getChildren(sourceFile); - if (children.length) { - var last = ts.lastOrUndefined(children); - if (last.kind === expectedLastToken) { - return true; - } - else if (last.kind === 23 /* SemicolonToken */ && children.length !== 1) { - return children[children.length - 2].kind === expectedLastToken; - } - } - return false; - } - function findListItemInfo(node) { - var list = findContainingList(node); - // It is possible at this point for syntaxList to be undefined, either if - // node.parent had no list child, or if none of its list children contained - // the span of node. If this happens, return undefined. The caller should - // handle this case. - if (!list) { - return undefined; - } - var children = list.getChildren(); - var listItemIndex = ts.indexOf(children, node); - return { - listItemIndex: listItemIndex, - list: list - }; - } - ts.findListItemInfo = findListItemInfo; - function hasChildOfKind(n, kind, sourceFile) { - return !!findChildOfKind(n, kind, sourceFile); - } - ts.hasChildOfKind = hasChildOfKind; - function findChildOfKind(n, kind, sourceFile) { - return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); - } - ts.findChildOfKind = findChildOfKind; - function findContainingList(node) { - // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will - // be parented by the container of the SyntaxList, not the SyntaxList itself. - // In order to find the list item index, we first need to locate SyntaxList itself and then search - // for the position of the relevant node (or comma). - var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { - // find syntax list that covers the span of the node - if (c.kind === 274 /* SyntaxList */ && c.pos <= node.pos && c.end >= node.end) { - return c; - } - }); - // Either we didn't find an appropriate list, or the list must contain us. - ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); - return syntaxList; - } - ts.findContainingList = findContainingList; - /* Gets the token whose text has range [start, end) and - * position >= start and (position < end or (position === end && token is keyword or identifier)) - */ - function getTouchingWord(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); - } - ts.getTouchingWord = getTouchingWord; - /* Gets the token whose text has range [start, end) and position >= start - * and (position < end or (position === end && token is keyword or identifier or numeric\string litera)) - */ - function getTouchingPropertyName(sourceFile, position) { - return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); - } - ts.getTouchingPropertyName = getTouchingPropertyName; - /** Returns the token if position is in [start, end) or if position === end and includeItemAtEndPosition(token) === true */ - function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { - return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includeItemAtEndPosition); - } - ts.getTouchingToken = getTouchingToken; - /** Returns a token if position is in [start-of-leading-trivia, end) */ - function getTokenAtPosition(sourceFile, position) { - return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includeItemAtEndPosition*/ undefined); - } - ts.getTokenAtPosition = getTokenAtPosition; - /** Get the token whose text contains the position */ - function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { - var current = sourceFile; - outer: while (true) { - if (isToken(current)) { - // exit early - return current; - } - // find the child that contains 'position' - for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { - var child = current.getChildAt(i); - var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); - if (start <= position) { - var end = child.getEnd(); - if (position < end || (position === end && child.kind === 1 /* EndOfFileToken */)) { - current = child; - continue outer; - } - else if (includeItemAtEndPosition && end === position) { - var previousToken = findPrecedingToken(position, sourceFile, child); - if (previousToken && includeItemAtEndPosition(previousToken)) { - return previousToken; - } - } - } - } - return current; - } - } - /** - * The token on the left of the position is the token that strictly includes the position - * or sits to the left of the cursor if it is on a boundary. For example - * - * fo|o -> will return foo - * foo |bar -> will return foo - * - */ - function findTokenOnLeftOfPosition(file, position) { - // Ideally, getTokenAtPosition should return a token. However, it is currently - // broken, so we do a check to make sure the result was indeed a token. - var tokenAtPosition = getTokenAtPosition(file, position); - if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { - return tokenAtPosition; - } - return findPrecedingToken(position, file); - } - ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; - function findNextToken(previousToken, parent) { - return find(parent); - function find(n) { - if (isToken(n) && n.pos === previousToken.end) { - // this is token that starts at the end of previous token - return it - return n; - } - var children = n.getChildren(); - for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { - var child = children_1[_i]; - var shouldDiveInChildNode = - // previous token is enclosed somewhere in the child - (child.pos <= previousToken.pos && child.end > previousToken.end) || - // previous token ends exactly at the beginning of child - (child.pos === previousToken.end); - if (shouldDiveInChildNode && nodeHasTokens(child)) { - return find(child); - } - } - return undefined; - } - } - ts.findNextToken = findNextToken; - function findPrecedingToken(position, sourceFile, startNode) { - return find(startNode || sourceFile); - function findRightmostToken(n) { - if (isToken(n) || n.kind === 239 /* JsxText */) { - return n; - } - var children = n.getChildren(); - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); - return candidate && findRightmostToken(candidate); - } - function find(n) { - if (isToken(n) || n.kind === 239 /* JsxText */) { - return n; - } - var children = n.getChildren(); - for (var i = 0, len = children.length; i < len; i++) { - var child = children[i]; - // condition 'position < child.end' checks if child node end after the position - // in the example below this condition will be false for 'aaaa' and 'bbbb' and true for 'ccc' - // aaaa___bbbb___$__ccc - // after we found child node with end after the position we check if start of the node is after the position. - // if yes - then position is in the trivia and we need to look into the previous child to find the token in question. - // if no - position is in the node itself so we should recurse in it. - // NOTE: JsxText is a weird kind of node that can contain only whitespaces (since they are not counted as trivia). - // if this is the case - then we should assume that token in question is located in previous child. - if (position < child.end && (nodeHasTokens(child) || child.kind === 239 /* JsxText */)) { - var start = child.getStart(sourceFile); - var lookInPreviousChild = (start >= position) || - (child.kind === 239 /* JsxText */ && start === child.end); // whitespace only JsxText - if (lookInPreviousChild) { - // actual start of the node is past the position - previous token should be at the end of previous child - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i); - return candidate && findRightmostToken(candidate); - } - else { - // candidate should be in this node - return find(child); - } - } - } - ts.Debug.assert(startNode !== undefined || n.kind === 251 /* SourceFile */); - // Here we know that none of child token nodes embrace the position, - // the only known case is when position is at the end of the file. - // Try to find the rightmost token in the file without filtering. - // Namely we are skipping the check: 'position < node.end' - if (children.length) { - var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); - return candidate && findRightmostToken(candidate); - } - } - /// finds last node that is considered as candidate for search (isCandidate(node) === true) starting from 'exclusiveStartPosition' - function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { - for (var i = exclusiveStartPosition - 1; i >= 0; --i) { - if (nodeHasTokens(children[i])) { - return children[i]; - } - } - } - } - ts.findPrecedingToken = findPrecedingToken; - function isInString(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - return token && (token.kind === 9 /* StringLiteral */ || token.kind === 163 /* StringLiteralType */) && position > token.getStart(); - } - ts.isInString = isInString; - function isInComment(sourceFile, position) { - return isInCommentHelper(sourceFile, position, /*predicate*/ undefined); - } - ts.isInComment = isInComment; - /** - * Returns true if the cursor at position in sourceFile is within a comment that additionally - * satisfies predicate, and false otherwise. - */ - function isInCommentHelper(sourceFile, position, predicate) { - var token = getTokenAtPosition(sourceFile, position); - if (token && position <= token.getStart()) { - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - // The end marker of a single-line comment does not include the newline character. - // In the following case, we are inside a comment (^ denotes the cursor position): - // - // // asdf ^\n - // - // But for multi-line comments, we don't want to be inside the comment in the following case: - // - // /* asdf */^ - // - // Internally, we represent the end of the comment at the newline and closing '/', respectively. - return predicate ? - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end) && - predicate(c); }) : - ts.forEach(commentRanges, function (c) { return c.pos < position && - (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end); }); - } - return false; - } - ts.isInCommentHelper = isInCommentHelper; - function hasDocComment(sourceFile, position) { - var token = getTokenAtPosition(sourceFile, position); - // First, we have to see if this position actually landed in a comment. - var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); - return ts.forEach(commentRanges, jsDocPrefix); - function jsDocPrefix(c) { - var text = sourceFile.text; - return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; - } - } - ts.hasDocComment = hasDocComment; - /** - * Get the corresponding JSDocTag node if the position is in a jsDoc comment - */ - function getJsDocTagAtPosition(sourceFile, position) { - var node = ts.getTokenAtPosition(sourceFile, position); - if (isToken(node)) { - switch (node.kind) { - case 102 /* VarKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - // if the current token is var, let or const, skip the VariableDeclarationList - node = node.parent === undefined ? undefined : node.parent.parent; - break; - default: - node = node.parent; - break; - } - } - if (node) { - var jsDocComment = node.jsDocComment; - if (jsDocComment) { - for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - if (tag.pos <= position && position <= tag.end) { - return tag; - } - } - } - } - return undefined; - } - ts.getJsDocTagAtPosition = getJsDocTagAtPosition; - function nodeHasTokens(n) { - // If we have a token or node that has a non-zero width, it must have tokens. - // Note, that getWidth() does not take trivia into account. - return n.getWidth() !== 0; - } - function getNodeModifiers(node) { - var flags = ts.getCombinedNodeFlags(node); - var result = []; - if (flags & 16 /* Private */) - result.push(ts.ScriptElementKindModifier.privateMemberModifier); - if (flags & 32 /* Protected */) - result.push(ts.ScriptElementKindModifier.protectedMemberModifier); - if (flags & 8 /* Public */) - result.push(ts.ScriptElementKindModifier.publicMemberModifier); - if (flags & 64 /* Static */) - result.push(ts.ScriptElementKindModifier.staticModifier); - if (flags & 128 /* Abstract */) - result.push(ts.ScriptElementKindModifier.abstractModifier); - if (flags & 2 /* Export */) - result.push(ts.ScriptElementKindModifier.exportedModifier); - if (ts.isInAmbientContext(node)) - result.push(ts.ScriptElementKindModifier.ambientModifier); - return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; - } - ts.getNodeModifiers = getNodeModifiers; - function getTypeArgumentOrTypeParameterList(node) { - if (node.kind === 152 /* TypeReference */ || node.kind === 171 /* CallExpression */) { - return node.typeArguments; - } - if (ts.isFunctionLike(node) || node.kind === 217 /* ClassDeclaration */ || node.kind === 218 /* InterfaceDeclaration */) { - return node.typeParameters; - } - return undefined; - } - ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; - function isToken(n) { - return n.kind >= 0 /* FirstToken */ && n.kind <= 135 /* LastToken */; - } - ts.isToken = isToken; - function isWord(kind) { - return kind === 69 /* Identifier */ || ts.isKeyword(kind); - } - ts.isWord = isWord; - function isPropertyName(kind) { - return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */ || isWord(kind); - } - function isComment(kind) { - return kind === 2 /* SingleLineCommentTrivia */ || kind === 3 /* MultiLineCommentTrivia */; - } - ts.isComment = isComment; - function isStringOrRegularExpressionOrTemplateLiteral(kind) { - if (kind === 9 /* StringLiteral */ - || kind === 163 /* StringLiteralType */ - || kind === 10 /* RegularExpressionLiteral */ - || ts.isTemplateLiteralKind(kind)) { - return true; - } - return false; - } - ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; - function isPunctuation(kind) { - return 15 /* FirstPunctuation */ <= kind && kind <= 68 /* LastPunctuation */; - } - ts.isPunctuation = isPunctuation; - function isInsideTemplateLiteral(node, position) { - return ts.isTemplateLiteralKind(node.kind) - && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); - } - ts.isInsideTemplateLiteral = isInsideTemplateLiteral; - function isAccessibilityModifier(kind) { - switch (kind) { - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return true; - } - return false; - } - ts.isAccessibilityModifier = isAccessibilityModifier; - function compareDataObjects(dst, src) { - for (var e in dst) { - if (typeof dst[e] === "object") { - if (!compareDataObjects(dst[e], src[e])) { - return false; - } - } - else if (typeof dst[e] !== "function") { - if (dst[e] !== src[e]) { - return false; - } - } - } - return true; - } - ts.compareDataObjects = compareDataObjects; - function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { - if (node.kind === 167 /* ArrayLiteralExpression */ || - node.kind === 168 /* ObjectLiteralExpression */) { - // [a,b,c] from: - // [a, b, c] = someExpression; - if (node.parent.kind === 184 /* BinaryExpression */ && - node.parent.left === node && - node.parent.operatorToken.kind === 56 /* EqualsToken */) { - return true; - } - // [a, b, c] from: - // for([a, b, c] of expression) - if (node.parent.kind === 204 /* ForOfStatement */ && - node.parent.initializer === node) { - return true; - } - // [a, b, c] of - // [x, [a, b, c] ] = someExpression - // or - // {x, a: {a, b, c} } = someExpression - if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 /* PropertyAssignment */ ? node.parent.parent : node.parent)) { - return true; - } - } - return false; - } - ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; -})(ts || (ts = {})); -// Display-part writer helpers -/* @internal */ -var ts; -(function (ts) { - function isFirstDeclarationOfSymbolParameter(symbol) { - return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139 /* Parameter */; - } - ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; - var displayPartWriter = getDisplayPartWriter(); - function getDisplayPartWriter() { - var displayParts; - var lineStart; - var indent; - resetWriter(); - return { - displayParts: function () { return displayParts; }, - writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, - writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, - writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, - writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, - writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, - writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, - writeSymbol: writeSymbol, - writeLine: writeLine, - increaseIndent: function () { indent++; }, - decreaseIndent: function () { indent--; }, - clear: resetWriter, - trackSymbol: function () { }, - reportInaccessibleThisError: function () { } - }; - function writeIndent() { - if (lineStart) { - var indentString = ts.getIndentString(indent); - if (indentString) { - displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); - } - lineStart = false; - } - } - function writeKind(text, kind) { - writeIndent(); - displayParts.push(displayPart(text, kind)); - } - function writeSymbol(text, symbol) { - writeIndent(); - displayParts.push(symbolPart(text, symbol)); - } - function writeLine() { - displayParts.push(lineBreakPart()); - lineStart = true; - } - function resetWriter() { - displayParts = []; - lineStart = true; - indent = 0; - } - } - function symbolPart(text, symbol) { - return displayPart(text, displayPartKind(symbol), symbol); - function displayPartKind(symbol) { - var flags = symbol.flags; - if (flags & 3 /* Variable */) { - return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; - } - else if (flags & 4 /* Property */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 32768 /* GetAccessor */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 65536 /* SetAccessor */) { - return ts.SymbolDisplayPartKind.propertyName; - } - else if (flags & 8 /* EnumMember */) { - return ts.SymbolDisplayPartKind.enumMemberName; - } - else if (flags & 16 /* Function */) { - return ts.SymbolDisplayPartKind.functionName; - } - else if (flags & 32 /* Class */) { - return ts.SymbolDisplayPartKind.className; - } - else if (flags & 64 /* Interface */) { - return ts.SymbolDisplayPartKind.interfaceName; - } - else if (flags & 384 /* Enum */) { - return ts.SymbolDisplayPartKind.enumName; - } - else if (flags & 1536 /* Module */) { - return ts.SymbolDisplayPartKind.moduleName; - } - else if (flags & 8192 /* Method */) { - return ts.SymbolDisplayPartKind.methodName; - } - else if (flags & 262144 /* TypeParameter */) { - return ts.SymbolDisplayPartKind.typeParameterName; - } - else if (flags & 524288 /* TypeAlias */) { - return ts.SymbolDisplayPartKind.aliasName; - } - else if (flags & 8388608 /* Alias */) { - return ts.SymbolDisplayPartKind.aliasName; - } - return ts.SymbolDisplayPartKind.text; - } - } - ts.symbolPart = symbolPart; - function displayPart(text, kind, symbol) { - return { - text: text, - kind: ts.SymbolDisplayPartKind[kind] - }; - } - ts.displayPart = displayPart; - function spacePart() { - return displayPart(" ", ts.SymbolDisplayPartKind.space); - } - ts.spacePart = spacePart; - function keywordPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); - } - ts.keywordPart = keywordPart; - function punctuationPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); - } - ts.punctuationPart = punctuationPart; - function operatorPart(kind) { - return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); - } - ts.operatorPart = operatorPart; - function textOrKeywordPart(text) { - var kind = ts.stringToToken(text); - return kind === undefined - ? textPart(text) - : keywordPart(kind); - } - ts.textOrKeywordPart = textOrKeywordPart; - function textPart(text) { - return displayPart(text, ts.SymbolDisplayPartKind.text); - } - ts.textPart = textPart; - var carriageReturnLineFeed = "\r\n"; - /** - * The default is CRLF. - */ - function getNewLineOrDefaultFromHost(host) { - return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; - } - ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; - function lineBreakPart() { - return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); - } - ts.lineBreakPart = lineBreakPart; - function mapToDisplayParts(writeDisplayParts) { - writeDisplayParts(displayPartWriter); - var result = displayPartWriter.displayParts(); - displayPartWriter.clear(); - return result; - } - ts.mapToDisplayParts = mapToDisplayParts; - function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); - }); - } - ts.typeToDisplayParts = typeToDisplayParts; - function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { - return mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); - }); - } - ts.symbolToDisplayParts = symbolToDisplayParts; - function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { - return mapToDisplayParts(function (writer) { - typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); - }); - } - ts.signatureToDisplayParts = signatureToDisplayParts; - function getDeclaredName(typeChecker, symbol, location) { - // If this is an export or import specifier it could have been renamed using the 'as' syntax. - // If so we want to search for whatever is under the cursor. - if (isImportOrExportSpecifierName(location)) { - return location.getText(); - } - // Try to get the local symbol if we're dealing with an 'export default' - // since that symbol has the "true" name. - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); - return name; - } - ts.getDeclaredName = getDeclaredName; - function isImportOrExportSpecifierName(location) { - return location.parent && - (location.parent.kind === 229 /* ImportSpecifier */ || location.parent.kind === 233 /* ExportSpecifier */) && - location.parent.propertyName === location; - } - ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; - /** - * Strip off existed single quotes or double quotes from a given string - * - * @return non-quoted string - */ - function stripQuotes(name) { - var length = name.length; - if (length >= 2 && - name.charCodeAt(0) === name.charCodeAt(length - 1) && - (name.charCodeAt(0) === 34 /* doubleQuote */ || name.charCodeAt(0) === 39 /* singleQuote */)) { - return name.substring(1, length - 1); - } - ; - return name; - } - ts.stripQuotes = stripQuotes; -})(ts || (ts = {})); -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var standardScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */); - var jsxScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 1 /* JSX */); - /** - * Scanner that is currently used for formatting - */ - var scanner; - var ScanAction; - (function (ScanAction) { - ScanAction[ScanAction["Scan"] = 0] = "Scan"; - ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; - ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; - ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; - ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; - })(ScanAction || (ScanAction = {})); - function getFormattingScanner(sourceFile, startPos, endPos) { - ts.Debug.assert(scanner === undefined); - scanner = sourceFile.languageVariant === 1 /* JSX */ ? jsxScanner : standardScanner; - scanner.setText(sourceFile.text); - scanner.setTextPos(startPos); - var wasNewLine = true; - var leadingTrivia; - var trailingTrivia; - var savedPos; - var lastScanAction; - var lastTokenInfo; - return { - advance: advance, - readTokenInfo: readTokenInfo, - isOnToken: isOnToken, - getCurrentLeadingTrivia: function () { return leadingTrivia; }, - lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, - close: function () { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - scanner.setText(undefined); - scanner = undefined; - } - }; - function advance() { - ts.Debug.assert(scanner !== undefined); - lastTokenInfo = undefined; - var isStarted = scanner.getStartPos() !== startPos; - if (isStarted) { - if (trailingTrivia) { - ts.Debug.assert(trailingTrivia.length !== 0); - wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4 /* NewLineTrivia */; - } - else { - wasNewLine = false; - } - } - leadingTrivia = undefined; - trailingTrivia = undefined; - if (!isStarted) { - scanner.scan(); - } - var t; - var pos = scanner.getStartPos(); - // Read leading trivia and token - while (pos < endPos) { - var t_1 = scanner.getToken(); - if (!ts.isTrivia(t_1)) { - break; - } - // consume leading trivia - scanner.scan(); - var item = { - pos: pos, - end: scanner.getStartPos(), - kind: t_1 - }; - pos = scanner.getStartPos(); - if (!leadingTrivia) { - leadingTrivia = []; - } - leadingTrivia.push(item); - } - savedPos = scanner.getStartPos(); - } - function shouldRescanGreaterThanToken(node) { - if (node) { - switch (node.kind) { - case 29 /* GreaterThanEqualsToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - return true; - } - } - return false; - } - function shouldRescanJsxIdentifier(node) { - if (node.parent) { - switch (node.parent.kind) { - case 241 /* JsxAttribute */: - case 238 /* JsxOpeningElement */: - case 240 /* JsxClosingElement */: - case 237 /* JsxSelfClosingElement */: - return node.kind === 69 /* Identifier */; - } - } - return false; - } - function shouldRescanSlashToken(container) { - return container.kind === 10 /* RegularExpressionLiteral */; - } - function shouldRescanTemplateToken(container) { - return container.kind === 13 /* TemplateMiddle */ || - container.kind === 14 /* TemplateTail */; - } - function startsWithSlashToken(t) { - return t === 39 /* SlashToken */ || t === 61 /* SlashEqualsToken */; - } - function readTokenInfo(n) { - ts.Debug.assert(scanner !== undefined); - if (!isOnToken()) { - // scanner is not on the token (either advance was not called yet or scanner is already past the end position) - return { - leadingTrivia: leadingTrivia, - trailingTrivia: undefined, - token: undefined - }; - } - // normally scanner returns the smallest available token - // check the kind of context node to determine if scanner should have more greedy behavior and consume more text. - var expectedScanAction = shouldRescanGreaterThanToken(n) - ? 1 /* RescanGreaterThanToken */ - : shouldRescanSlashToken(n) - ? 2 /* RescanSlashToken */ - : shouldRescanTemplateToken(n) - ? 3 /* RescanTemplateToken */ - : shouldRescanJsxIdentifier(n) - ? 4 /* RescanJsxIdentifier */ - : 0 /* Scan */; - if (lastTokenInfo && expectedScanAction === lastScanAction) { - // readTokenInfo was called before with the same expected scan action. - // No need to re-scan text, return existing 'lastTokenInfo' - // it is ok to call fixTokenKind here since it does not affect - // what portion of text is consumed. In opposize rescanning can change it, - // i.e. for '>=' when originally scanner eats just one character - // and rescanning forces it to consume more. - return fixTokenKind(lastTokenInfo, n); - } - if (scanner.getStartPos() !== savedPos) { - ts.Debug.assert(lastTokenInfo !== undefined); - // readTokenInfo was called before but scan action differs - rescan text - scanner.setTextPos(savedPos); - scanner.scan(); - } - var currentToken = scanner.getToken(); - if (expectedScanAction === 1 /* RescanGreaterThanToken */ && currentToken === 27 /* GreaterThanToken */) { - currentToken = scanner.reScanGreaterToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 1 /* RescanGreaterThanToken */; - } - else if (expectedScanAction === 2 /* RescanSlashToken */ && startsWithSlashToken(currentToken)) { - currentToken = scanner.reScanSlashToken(); - ts.Debug.assert(n.kind === currentToken); - lastScanAction = 2 /* RescanSlashToken */; - } - else if (expectedScanAction === 3 /* RescanTemplateToken */ && currentToken === 16 /* CloseBraceToken */) { - currentToken = scanner.reScanTemplateToken(); - lastScanAction = 3 /* RescanTemplateToken */; - } - else if (expectedScanAction === 4 /* RescanJsxIdentifier */ && currentToken === 69 /* Identifier */) { - currentToken = scanner.scanJsxIdentifier(); - lastScanAction = 4 /* RescanJsxIdentifier */; - } - else { - lastScanAction = 0 /* Scan */; - } - var token = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - // consume trailing trivia - if (trailingTrivia) { - trailingTrivia = undefined; - } - while (scanner.getStartPos() < endPos) { - currentToken = scanner.scan(); - if (!ts.isTrivia(currentToken)) { - break; - } - var trivia = { - pos: scanner.getStartPos(), - end: scanner.getTextPos(), - kind: currentToken - }; - if (!trailingTrivia) { - trailingTrivia = []; - } - trailingTrivia.push(trivia); - if (currentToken === 4 /* NewLineTrivia */) { - // move past new line - scanner.scan(); - break; - } - } - lastTokenInfo = { - leadingTrivia: leadingTrivia, - trailingTrivia: trailingTrivia, - token: token - }; - return fixTokenKind(lastTokenInfo, n); - } - function isOnToken() { - ts.Debug.assert(scanner !== undefined); - var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); - var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); - return startPos < endPos && current !== 1 /* EndOfFileToken */ && !ts.isTrivia(current); - } - // when containing node in the tree is token - // but its kind differs from the kind that was returned by the scanner, - // then kind needs to be fixed. This might happen in cases - // when parser interprets token differently, i.e keyword treated as identifier - function fixTokenKind(tokenInfo, container) { - if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { - tokenInfo.token.kind = container.kind; - } - return tokenInfo; - } - } - formatting.getFormattingScanner = getFormattingScanner; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var FormattingContext = (function () { - function FormattingContext(sourceFile, formattingRequestKind) { - this.sourceFile = sourceFile; - this.formattingRequestKind = formattingRequestKind; - } - FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { - ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); - ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); - ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); - ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); - ts.Debug.assert(commonParent !== undefined, "commonParent is null"); - this.currentTokenSpan = currentRange; - this.currentTokenParent = currentTokenParent; - this.nextTokenSpan = nextRange; - this.nextTokenParent = nextTokenParent; - this.contextNode = commonParent; - // drop cached results - this.contextNodeAllOnSameLine = undefined; - this.nextNodeAllOnSameLine = undefined; - this.tokensAreOnSameLine = undefined; - this.contextNodeBlockIsOnOneLine = undefined; - this.nextNodeBlockIsOnOneLine = undefined; - }; - FormattingContext.prototype.ContextNodeAllOnSameLine = function () { - if (this.contextNodeAllOnSameLine === undefined) { - this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); - } - return this.contextNodeAllOnSameLine; - }; - FormattingContext.prototype.NextNodeAllOnSameLine = function () { - if (this.nextNodeAllOnSameLine === undefined) { - this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeAllOnSameLine; - }; - FormattingContext.prototype.TokensAreOnSameLine = function () { - if (this.tokensAreOnSameLine === undefined) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; - this.tokensAreOnSameLine = (startLine === endLine); - } - return this.tokensAreOnSameLine; - }; - FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { - if (this.contextNodeBlockIsOnOneLine === undefined) { - this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); - } - return this.contextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { - if (this.nextNodeBlockIsOnOneLine === undefined) { - this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); - } - return this.nextNodeBlockIsOnOneLine; - }; - FormattingContext.prototype.NodeIsOnOneLine = function (node) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; - return startLine === endLine; - }; - FormattingContext.prototype.BlockIsOnOneLine = function (node) { - var openBrace = ts.findChildOfKind(node, 15 /* OpenBraceToken */, this.sourceFile); - var closeBrace = ts.findChildOfKind(node, 16 /* CloseBraceToken */, this.sourceFile); - if (openBrace && closeBrace) { - var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; - var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; - return startLine === endLine; - } - return false; - }; - return FormattingContext; - }()); - formatting.FormattingContext = FormattingContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (FormattingRequestKind) { - FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; - FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; - FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; - FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; - FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; - })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); - var FormattingRequestKind = formatting.FormattingRequestKind; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rule = (function () { - function Rule(Descriptor, Operation, Flag) { - if (Flag === void 0) { Flag = 0 /* None */; } - this.Descriptor = Descriptor; - this.Operation = Operation; - this.Flag = Flag; - } - Rule.prototype.toString = function () { - return "[desc=" + this.Descriptor + "," + - "operation=" + this.Operation + "," + - "flag=" + this.Flag + "]"; - }; - return Rule; - }()); - formatting.Rule = Rule; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleAction) { - RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; - RuleAction[RuleAction["Space"] = 2] = "Space"; - RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; - RuleAction[RuleAction["Delete"] = 8] = "Delete"; - })(formatting.RuleAction || (formatting.RuleAction = {})); - var RuleAction = formatting.RuleAction; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleDescriptor = (function () { - function RuleDescriptor(LeftTokenRange, RightTokenRange) { - this.LeftTokenRange = LeftTokenRange; - this.RightTokenRange = RightTokenRange; - } - RuleDescriptor.prototype.toString = function () { - return "[leftRange=" + this.LeftTokenRange + "," + - "rightRange=" + this.RightTokenRange + "]"; - }; - RuleDescriptor.create1 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create2 = function (left, right) { - return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); - }; - RuleDescriptor.create3 = function (left, right) { - return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); - }; - RuleDescriptor.create4 = function (left, right) { - return new RuleDescriptor(left, right); - }; - return RuleDescriptor; - }()); - formatting.RuleDescriptor = RuleDescriptor; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - (function (RuleFlags) { - RuleFlags[RuleFlags["None"] = 0] = "None"; - RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; - })(formatting.RuleFlags || (formatting.RuleFlags = {})); - var RuleFlags = formatting.RuleFlags; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperation = (function () { - function RuleOperation() { - this.Context = null; - this.Action = null; - } - RuleOperation.prototype.toString = function () { - return "[context=" + this.Context + "," + - "action=" + this.Action + "]"; - }; - RuleOperation.create1 = function (action) { - return RuleOperation.create2(formatting.RuleOperationContext.Any, action); - }; - RuleOperation.create2 = function (context, action) { - var result = new RuleOperation(); - result.Context = context; - result.Action = action; - return result; - }; - return RuleOperation; - }()); - formatting.RuleOperation = RuleOperation; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RuleOperationContext = (function () { - function RuleOperationContext() { - var funcs = []; - for (var _i = 0; _i < arguments.length; _i++) { - funcs[_i - 0] = arguments[_i]; - } - this.customContextChecks = funcs; - } - RuleOperationContext.prototype.IsAny = function () { - return this === RuleOperationContext.Any; - }; - RuleOperationContext.prototype.InContext = function (context) { - if (this.IsAny()) { - return true; - } - for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { - var check = _a[_i]; - if (!check(context)) { - return false; - } - } - return true; - }; - RuleOperationContext.Any = new RuleOperationContext(); - return RuleOperationContext; - }()); - formatting.RuleOperationContext = RuleOperationContext; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Rules = (function () { - function Rules() { - /// - /// Common Rules - /// - // Leave comments alone - this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1 /* Ignore */)); - this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2 /* SingleLineCommentTrivia */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1 /* Ignore */)); - // Space after keyword but not before ; or : or ? - this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54 /* ColonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53 /* QuestionToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54 /* ColonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2 /* Space */)); - this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2 /* Space */)); - this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Space after }. - this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2 /* Space */)); - // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied - this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 80 /* ElseKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 104 /* WhileKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 20 /* CloseBracketToken */, 24 /* CommaToken */, 23 /* SemicolonToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // No space for dot - this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21 /* DotToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21 /* DotToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // No space before and after indexer - this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19 /* OpenBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20 /* CloseBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8 /* Delete */)); - // Place a space before open brace in a function declaration - this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; - this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc) - this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 3 /* MultiLineCommentTrivia */, 73 /* ClassKeyword */]); - this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Place a space before open brace in a control flow construct - this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 3 /* MultiLineCommentTrivia */, 79 /* DoKeyword */, 100 /* TryKeyword */, 85 /* FinallyKeyword */, 80 /* ElseKeyword */]); - this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); - // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}. - this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); - this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); - this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8 /* Delete */)); - // Insert new line after { and before } in multi-line contexts. - this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); - // For functions and control block place } on a new line [multi-line rule] - this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); - // Special handling of unary operators. - // Prefix operators generally shouldn't have a space between - // them and their target unary expression. - this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41 /* PlusPlusToken */, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42 /* MinusMinusToken */, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // More unary operator special-casing. - // DevDiv 181814: Be careful when removing leading whitespace - // around unary operators. Examples: - // 1 - -2 --X--> 1--2 - // a + ++b --X--> a+++b - this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41 /* PlusPlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42 /* MinusMinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24 /* CommaToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102 /* VarKeyword */, 98 /* ThrowKeyword */, 92 /* NewKeyword */, 78 /* DeleteKeyword */, 94 /* ReturnKeyword */, 101 /* TypeOfKeyword */, 119 /* AwaitKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108 /* LetKeyword */, 74 /* ConstKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2 /* Space */)); - this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8 /* Delete */)); - this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87 /* FunctionKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8 /* Delete */)); - this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103 /* VoidKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2 /* Space */)); - this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94 /* ReturnKeyword */, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Add a space between statements. All keywords except (do,else,case) has open/close parens after them. - // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any] - this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 79 /* DoKeyword */, 80 /* ElseKeyword */, 71 /* CaseKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2 /* Space */)); - // This low-pri rule takes care of "try {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter. - this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100 /* TryKeyword */, 85 /* FinallyKeyword */]), 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // get x() {} - // set x(val) {} - this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123 /* GetKeyword */, 129 /* SetKeyword */]), 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options. - this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - // TypeScript-specific higher priority rules - // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses - this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121 /* ConstructorKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Use of module as a function call. e.g.: import m2 = module("m2"); - this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125 /* ModuleKeyword */, 127 /* RequireKeyword */]), 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Add a space around certain TypeScript keywords - this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 73 /* ClassKeyword */, 122 /* DeclareKeyword */, 77 /* DefaultKeyword */, 81 /* EnumKeyword */, 82 /* ExportKeyword */, 83 /* ExtendsKeyword */, 123 /* GetKeyword */, 106 /* ImplementsKeyword */, 89 /* ImportKeyword */, 107 /* InterfaceKeyword */, 125 /* ModuleKeyword */, 126 /* NamespaceKeyword */, 110 /* PrivateKeyword */, 112 /* PublicKeyword */, 111 /* ProtectedKeyword */, 129 /* SetKeyword */, 113 /* StaticKeyword */, 132 /* TypeKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83 /* ExtendsKeyword */, 106 /* ImplementsKeyword */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" { - this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9 /* StringLiteral */, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2 /* Space */)); - // Lambda expressions - this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34 /* EqualsGreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34 /* EqualsGreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Optional parameters and let args - this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22 /* DotDotDotToken */, 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); - // generics and type assertions - this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18 /* CloseParenToken */, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25 /* LessThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27 /* GreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.FromTokens([17 /* OpenParenToken */, 19 /* OpenBracketToken */, 27 /* GreaterThanToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); - this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8 /* Delete */)); - // Remove spaces in empty interface literals. e.g.: x: {} - this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8 /* Delete */)); - // decorators - this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55 /* AtToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55 /* AtToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 69 /* Identifier */, 82 /* ExportKeyword */, 77 /* DefaultKeyword */, 73 /* ClassKeyword */, 113 /* StaticKeyword */, 112 /* PublicKeyword */, 110 /* PrivateKeyword */, 111 /* ProtectedKeyword */, 123 /* GetKeyword */, 129 /* SetKeyword */, 19 /* OpenBracketToken */, 37 /* AsteriskToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2 /* Space */)); - this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8 /* Delete */)); - this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37 /* AsteriskToken */, formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2 /* Space */)); - this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114 /* YieldKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8 /* Delete */)); - this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114 /* YieldKeyword */, 37 /* AsteriskToken */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2 /* Space */)); - // Async-await - this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 87 /* FunctionKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // template string - this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69 /* Identifier */, formatting.Shared.TokenRange.FromTokens([11 /* NoSubstitutionTemplateLiteral */, 12 /* TemplateHead */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // These rules are higher in priority than user-configurable rules. - this.HighPriorityCommonRules = [ - this.IgnoreBeforeComment, this.IgnoreAfterLineComment, - this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, - this.NoSpaceAfterQuestionMark, - this.NoSpaceBeforeDot, this.NoSpaceAfterDot, - this.NoSpaceAfterUnaryPrefixOperator, - this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, - this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, - this.SpaceAfterPostincrementWhenFollowedByAdd, - this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, - this.SpaceAfterPostdecrementWhenFollowedBySubtract, - this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, - this.NoSpaceAfterCloseBrace, - this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, - this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, - this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, - this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, - this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, - this.NoSpaceBetweenReturnAndSemicolon, - this.SpaceAfterCertainKeywords, - this.SpaceAfterLetConstInVariableDeclaration, - this.NoSpaceBeforeOpenParenInFuncCall, - this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, - this.SpaceAfterVoidOperator, - this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, - this.NoSpaceBetweenTagAndTemplateString, - // TypeScript-specific rules - this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, - this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, - this.SpaceAfterModuleName, - this.SpaceBeforeArrow, this.SpaceAfterArrow, - this.NoSpaceAfterEllipsis, - this.NoSpaceAfterOptionalParameters, - this.NoSpaceBetweenEmptyInterfaceBraceBrackets, - this.NoSpaceBeforeOpenAngularBracket, - this.NoSpaceBetweenCloseParenAndAngularBracket, - this.NoSpaceAfterOpenAngularBracket, - this.NoSpaceBeforeCloseAngularBracket, - this.NoSpaceAfterCloseAngularBracket, - this.NoSpaceAfterTypeAssertion, - this.SpaceBeforeAt, - this.NoSpaceAfterAt, - this.SpaceAfterDecorator, - ]; - // These rules are lower in priority than user-configurable rules. - this.LowPriorityCommonRules = [ - this.NoSpaceBeforeSemicolon, - this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, - this.NoSpaceBeforeComma, - this.NoSpaceBeforeOpenBracket, - this.NoSpaceAfterCloseBracket, - this.SpaceAfterSemicolon, - this.NoSpaceBeforeOpenParenInFuncDecl, - this.SpaceBetweenStatements, this.SpaceAfterTryFinally - ]; - /// - /// Rules controlled by user options - /// - // Insert space after comma delimiter - this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2 /* Space */)); - this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space before and after binary operators - this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); - this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); - this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); - // Insert space after keywords in control flow statements - this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2 /* Space */)); - this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8 /* Delete */)); - // Open Brace braces after function - //TypeScript: Function can have return types, which can be made of tons of different token kinds - this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Open Brace braces after TypeScript module/class/interface - this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Open Brace braces after control block - this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); - // Insert space after semicolon in for statement - this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2 /* Space */)); - this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8 /* Delete */)); - // Insert space after opening and before closing nonempty parenthesis - this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17 /* OpenParenToken */, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space after opening and before closing nonempty brackets - this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19 /* OpenBracketToken */, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - // Insert space after opening and before closing template string braces - this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); - this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); - // Insert space after function keyword for anonymous functions - this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); - this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8 /* Delete */)); - } - Rules.prototype.getRuleName = function (rule) { - var o = this; - for (var name_34 in o) { - if (o[name_34] === rule) { - return name_34; - } - } - throw new Error("Unknown rule"); - }; - /// - /// Contexts - /// - Rules.IsForContext = function (context) { - return context.contextNode.kind === 202 /* ForStatement */; - }; - Rules.IsNotForContext = function (context) { - return !Rules.IsForContext(context); - }; - Rules.IsBinaryOpContext = function (context) { - switch (context.contextNode.kind) { - case 184 /* BinaryExpression */: - case 185 /* ConditionalExpression */: - case 192 /* AsExpression */: - case 151 /* TypePredicate */: - case 159 /* UnionType */: - case 160 /* IntersectionType */: - return true; - // equals in binding elements: function foo([[x, y] = [1, 2]]) - case 166 /* BindingElement */: - // equals in type X = ... - case 219 /* TypeAliasDeclaration */: - // equal in import a = module('a'); - case 224 /* ImportEqualsDeclaration */: - // equal in let a = 0; - case 214 /* VariableDeclaration */: - // equal in p = 0; - case 139 /* Parameter */: - case 250 /* EnumMember */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return context.currentTokenSpan.kind === 56 /* EqualsToken */ || context.nextTokenSpan.kind === 56 /* EqualsToken */; - // "in" keyword in for (let x in []) { } - case 203 /* ForInStatement */: - return context.currentTokenSpan.kind === 90 /* InKeyword */ || context.nextTokenSpan.kind === 90 /* InKeyword */; - // Technically, "of" is not a binary operator, but format it the same way as "in" - case 204 /* ForOfStatement */: - return context.currentTokenSpan.kind === 135 /* OfKeyword */ || context.nextTokenSpan.kind === 135 /* OfKeyword */; - } - return false; - }; - Rules.IsNotBinaryOpContext = function (context) { - return !Rules.IsBinaryOpContext(context); - }; - Rules.IsConditionalOperatorContext = function (context) { - return context.contextNode.kind === 185 /* ConditionalExpression */; - }; - Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { - //// This check is mainly used inside SpaceBeforeOpenBraceInControl and SpaceBeforeOpenBraceInFunction. - //// - //// Ex: - //// if (1) { .... - //// * ) and { are on the same line so apply the rule. Here we don't care whether it's same or multi block context - //// - //// Ex: - //// if (1) - //// { ... } - //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we don't format. - //// - //// Ex: - //// if (1) - //// { ... - //// } - //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we format. - return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); - }; - // This check is done before an open brace in a control construct, a function, or a typescript block declaration - Rules.IsBeforeMultilineBlockContext = function (context) { - return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); - }; - Rules.IsMultilineBlockContext = function (context) { - return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsSingleLineBlockContext = function (context) { - return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); - }; - Rules.IsBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.contextNode); - }; - Rules.IsBeforeBlockContext = function (context) { - return Rules.NodeIsBlockContext(context.nextTokenParent); - }; - // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children - Rules.NodeIsBlockContext = function (node) { - if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { - // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc). - return true; - } - switch (node.kind) { - case 195 /* Block */: - case 223 /* CaseBlock */: - case 168 /* ObjectLiteralExpression */: - case 222 /* ModuleBlock */: - return true; - } - return false; - }; - Rules.IsFunctionDeclContext = function (context) { - switch (context.contextNode.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - //case SyntaxKind.MemberFunctionDeclaration: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - ///case SyntaxKind.MethodSignature: - case 148 /* CallSignature */: - case 176 /* FunctionExpression */: - case 145 /* Constructor */: - case 177 /* ArrowFunction */: - //case SyntaxKind.ConstructorDeclaration: - //case SyntaxKind.SimpleArrowFunctionExpression: - //case SyntaxKind.ParenthesizedArrowFunctionExpression: - case 218 /* InterfaceDeclaration */: - return true; - } - return false; - }; - Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { - return context.contextNode.kind === 216 /* FunctionDeclaration */ || context.contextNode.kind === 176 /* FunctionExpression */; - }; - Rules.IsTypeScriptDeclWithBlockContext = function (context) { - return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); - }; - Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { - switch (node.kind) { - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 156 /* TypeLiteral */: - case 221 /* ModuleDeclaration */: - return true; - } - return false; - }; - Rules.IsAfterCodeBlockContext = function (context) { - switch (context.currentTokenParent.kind) { - case 217 /* ClassDeclaration */: - case 221 /* ModuleDeclaration */: - case 220 /* EnumDeclaration */: - case 195 /* Block */: - case 247 /* CatchClause */: - case 222 /* ModuleBlock */: - case 209 /* SwitchStatement */: - return true; - } - return false; - }; - Rules.IsControlDeclContext = function (context) { - switch (context.contextNode.kind) { - case 199 /* IfStatement */: - case 209 /* SwitchStatement */: - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - case 212 /* TryStatement */: - case 200 /* DoStatement */: - case 208 /* WithStatement */: - // TODO - // case SyntaxKind.ElseClause: - case 247 /* CatchClause */: - return true; - default: - return false; - } - }; - Rules.IsObjectContext = function (context) { - return context.contextNode.kind === 168 /* ObjectLiteralExpression */; - }; - Rules.IsFunctionCallContext = function (context) { - return context.contextNode.kind === 171 /* CallExpression */; - }; - Rules.IsNewContext = function (context) { - return context.contextNode.kind === 172 /* NewExpression */; - }; - Rules.IsFunctionCallOrNewContext = function (context) { - return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); - }; - Rules.IsPreviousTokenNotComma = function (context) { - return context.currentTokenSpan.kind !== 24 /* CommaToken */; - }; - Rules.IsNextTokenNotCloseBracket = function (context) { - return context.nextTokenSpan.kind !== 20 /* CloseBracketToken */; - }; - Rules.IsArrowFunctionContext = function (context) { - return context.contextNode.kind === 177 /* ArrowFunction */; - }; - Rules.IsSameLineTokenContext = function (context) { - return context.TokensAreOnSameLine(); - }; - Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { - return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); - }; - Rules.IsEndOfDecoratorContextOnSameLine = function (context) { - return context.TokensAreOnSameLine() && - context.contextNode.decorators && - Rules.NodeIsInDecoratorContext(context.currentTokenParent) && - !Rules.NodeIsInDecoratorContext(context.nextTokenParent); - }; - Rules.NodeIsInDecoratorContext = function (node) { - while (ts.isExpression(node)) { - node = node.parent; - } - return node.kind === 140 /* Decorator */; - }; - Rules.IsStartOfVariableDeclarationList = function (context) { - return context.currentTokenParent.kind === 215 /* VariableDeclarationList */ && - context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; - }; - Rules.IsNotFormatOnEnter = function (context) { - return context.formattingRequestKind !== 2 /* FormatOnEnter */; - }; - Rules.IsModuleDeclContext = function (context) { - return context.contextNode.kind === 221 /* ModuleDeclaration */; - }; - Rules.IsObjectTypeContext = function (context) { - return context.contextNode.kind === 156 /* TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration; - }; - Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { - if (token.kind !== 25 /* LessThanToken */ && token.kind !== 27 /* GreaterThanToken */) { - return false; - } - switch (parent.kind) { - case 152 /* TypeReference */: - case 174 /* TypeAssertionExpression */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 191 /* ExpressionWithTypeArguments */: - return true; - default: - return false; - } - }; - Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { - return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || - Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); - }; - Rules.IsTypeAssertionContext = function (context) { - return context.contextNode.kind === 174 /* TypeAssertionExpression */; - }; - Rules.IsVoidOpContext = function (context) { - return context.currentTokenSpan.kind === 103 /* VoidKeyword */ && context.currentTokenParent.kind === 180 /* VoidExpression */; - }; - Rules.IsYieldOrYieldStarWithOperand = function (context) { - return context.contextNode.kind === 187 /* YieldExpression */ && context.contextNode.expression !== undefined; - }; - return Rules; - }()); - formatting.Rules = Rules; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesMap = (function () { - function RulesMap() { - this.map = []; - this.mapRowLength = 0; - } - RulesMap.create = function (rules) { - var result = new RulesMap(); - result.Initialize(rules); - return result; - }; - RulesMap.prototype.Initialize = function (rules) { - this.mapRowLength = 135 /* LastToken */ + 1; - this.map = new Array(this.mapRowLength * this.mapRowLength); //new Array(this.mapRowLength * this.mapRowLength); - // This array is used only during construction of the rulesbucket in the map - var rulesBucketConstructionStateList = new Array(this.map.length); //new Array(this.map.length); - this.FillRules(rules, rulesBucketConstructionStateList); - return this.map; - }; - RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { - var _this = this; - rules.forEach(function (rule) { - _this.FillRule(rule, rulesBucketConstructionStateList); - }); - }; - RulesMap.prototype.GetRuleBucketIndex = function (row, column) { - var rulesBucketIndex = (row * this.mapRowLength) + column; - //Debug.Assert(rulesBucketIndex < this.map.Length, "Trying to access an index outside the array."); - return rulesBucketIndex; - }; - RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { - var _this = this; - var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && - rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; - rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { - rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { - var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); - var rulesBucket = _this.map[rulesBucketIndex]; - if (rulesBucket === undefined) { - rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); - } - rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); - }); - }); - }; - RulesMap.prototype.GetRule = function (context) { - var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); - var bucket = this.map[bucketIndex]; - if (bucket != null) { - for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { - var rule = _a[_i]; - if (rule.Operation.Context.InContext(context)) { - return rule; - } - } - } - return null; - }; - return RulesMap; - }()); - formatting.RulesMap = RulesMap; - var MaskBitSize = 5; - var Mask = 0x1f; - (function (RulesPosition) { - RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; - RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; - RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; - RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; - RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; - RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; - })(formatting.RulesPosition || (formatting.RulesPosition = {})); - var RulesPosition = formatting.RulesPosition; - var RulesBucketConstructionState = (function () { - function RulesBucketConstructionState() { - //// The Rules list contains all the inserted rules into a rulebucket in the following order: - //// 1- Ignore rules with specific token combination - //// 2- Ignore rules with any token combination - //// 3- Context rules with specific token combination - //// 4- Context rules with any token combination - //// 5- Non-context rules with specific token combination - //// 6- Non-context rules with any token combination - //// - //// The member rulesInsertionIndexBitmap is used to describe the number of rules - //// in each sub-bucket (above) hence can be used to know the index of where to insert - //// the next rule. It's a bitmap which contains 6 different sections each is given 5 bits. - //// - //// Example: - //// In order to insert a rule to the end of sub-bucket (3), we get the index by adding - //// the values in the bitmap segments 3rd, 2nd, and 1st. - this.rulesInsertionIndexBitmap = 0; - } - RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { - var index = 0; - var pos = 0; - var indexBitmap = this.rulesInsertionIndexBitmap; - while (pos <= maskPosition) { - index += (indexBitmap & Mask); - indexBitmap >>= MaskBitSize; - pos += MaskBitSize; - } - return index; - }; - RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { - var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; - value++; - ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); - var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); - temp |= value << maskPosition; - this.rulesInsertionIndexBitmap = temp; - }; - return RulesBucketConstructionState; - }()); - formatting.RulesBucketConstructionState = RulesBucketConstructionState; - var RulesBucket = (function () { - function RulesBucket() { - this.rules = []; - } - RulesBucket.prototype.Rules = function () { - return this.rules; - }; - RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { - var position; - if (rule.Operation.Action === 1 /* Ignore */) { - position = specificTokens ? - RulesPosition.IgnoreRulesSpecific : - RulesPosition.IgnoreRulesAny; - } - else if (!rule.Operation.Context.IsAny()) { - position = specificTokens ? - RulesPosition.ContextRulesSpecific : - RulesPosition.ContextRulesAny; - } - else { - position = specificTokens ? - RulesPosition.NoContextRulesSpecific : - RulesPosition.NoContextRulesAny; - } - var state = constructionState[rulesBucketIndex]; - if (state === undefined) { - state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); - } - var index = state.GetInsertionIndex(position); - this.rules.splice(index, 0, rule); - state.IncreaseInsertionIndex(position); - }; - return RulesBucket; - }()); - formatting.RulesBucket = RulesBucket; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Shared; - (function (Shared) { - var TokenRangeAccess = (function () { - function TokenRangeAccess(from, to, except) { - this.tokens = []; - for (var token = from; token <= to; token++) { - if (ts.indexOf(except, token) < 0) { - this.tokens.push(token); - } - } - } - TokenRangeAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenRangeAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenRangeAccess; - }()); - Shared.TokenRangeAccess = TokenRangeAccess; - var TokenValuesAccess = (function () { - function TokenValuesAccess(tks) { - this.tokens = tks && tks.length ? tks : []; - } - TokenValuesAccess.prototype.GetTokens = function () { - return this.tokens; - }; - TokenValuesAccess.prototype.Contains = function (token) { - return this.tokens.indexOf(token) >= 0; - }; - return TokenValuesAccess; - }()); - Shared.TokenValuesAccess = TokenValuesAccess; - var TokenSingleValueAccess = (function () { - function TokenSingleValueAccess(token) { - this.token = token; - } - TokenSingleValueAccess.prototype.GetTokens = function () { - return [this.token]; - }; - TokenSingleValueAccess.prototype.Contains = function (tokenValue) { - return tokenValue === this.token; - }; - return TokenSingleValueAccess; - }()); - Shared.TokenSingleValueAccess = TokenSingleValueAccess; - var TokenAllAccess = (function () { - function TokenAllAccess() { - } - TokenAllAccess.prototype.GetTokens = function () { - var result = []; - for (var token = 0 /* FirstToken */; token <= 135 /* LastToken */; token++) { - result.push(token); - } - return result; - }; - TokenAllAccess.prototype.Contains = function (tokenValue) { - return true; - }; - TokenAllAccess.prototype.toString = function () { - return "[allTokens]"; - }; - return TokenAllAccess; - }()); - Shared.TokenAllAccess = TokenAllAccess; - var TokenRange = (function () { - function TokenRange(tokenAccess) { - this.tokenAccess = tokenAccess; - } - TokenRange.FromToken = function (token) { - return new TokenRange(new TokenSingleValueAccess(token)); - }; - TokenRange.FromTokens = function (tokens) { - return new TokenRange(new TokenValuesAccess(tokens)); - }; - TokenRange.FromRange = function (f, to, except) { - if (except === void 0) { except = []; } - return new TokenRange(new TokenRangeAccess(f, to, except)); - }; - TokenRange.AllTokens = function () { - return new TokenRange(new TokenAllAccess()); - }; - TokenRange.prototype.GetTokens = function () { - return this.tokenAccess.GetTokens(); - }; - TokenRange.prototype.Contains = function (token) { - return this.tokenAccess.Contains(token); - }; - TokenRange.prototype.toString = function () { - return this.tokenAccess.toString(); - }; - TokenRange.Any = TokenRange.AllTokens(); - TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3 /* MultiLineCommentTrivia */])); - TokenRange.Keywords = TokenRange.FromRange(70 /* FirstKeyword */, 135 /* LastKeyword */); - TokenRange.BinaryOperators = TokenRange.FromRange(25 /* FirstBinaryOperator */, 68 /* LastBinaryOperator */); - TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90 /* InKeyword */, 91 /* InstanceOfKeyword */, 135 /* OfKeyword */, 116 /* AsKeyword */, 124 /* IsKeyword */]); - TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41 /* PlusPlusToken */, 42 /* MinusMinusToken */, 50 /* TildeToken */, 49 /* ExclamationToken */]); - TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8 /* NumericLiteral */, 69 /* Identifier */, 17 /* OpenParenToken */, 19 /* OpenBracketToken */, 15 /* OpenBraceToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); - TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); - TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); - TokenRange.Comments = TokenRange.FromTokens([2 /* SingleLineCommentTrivia */, 3 /* MultiLineCommentTrivia */]); - TokenRange.TypeNames = TokenRange.FromTokens([69 /* Identifier */, 128 /* NumberKeyword */, 130 /* StringKeyword */, 120 /* BooleanKeyword */, 131 /* SymbolKeyword */, 103 /* VoidKeyword */, 117 /* AnyKeyword */]); - return TokenRange; - }()); - Shared.TokenRange = TokenRange; - })(Shared = formatting.Shared || (formatting.Shared = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var RulesProvider = (function () { - function RulesProvider() { - this.globalRules = new formatting.Rules(); - } - RulesProvider.prototype.getRuleName = function (rule) { - return this.globalRules.getRuleName(rule); - }; - RulesProvider.prototype.getRuleByName = function (name) { - return this.globalRules[name]; - }; - RulesProvider.prototype.getRulesMap = function () { - return this.rulesMap; - }; - RulesProvider.prototype.ensureUpToDate = function (options) { - // TODO: Should this be '==='? - if (this.options == null || !ts.compareDataObjects(this.options, options)) { - var activeRules = this.createActiveRules(options); - var rulesMap = formatting.RulesMap.create(activeRules); - this.activeRules = activeRules; - this.rulesMap = rulesMap; - this.options = ts.clone(options); - } - }; - RulesProvider.prototype.createActiveRules = function (options) { - var rules = this.globalRules.HighPriorityCommonRules.slice(0); - if (options.InsertSpaceAfterCommaDelimiter) { - rules.push(this.globalRules.SpaceAfterComma); - } - else { - rules.push(this.globalRules.NoSpaceAfterComma); - } - if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { - rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); - } - else { - rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); - } - if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { - rules.push(this.globalRules.SpaceAfterKeywordInControl); - } - else { - rules.push(this.globalRules.NoSpaceAfterKeywordInControl); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { - rules.push(this.globalRules.SpaceAfterOpenParen); - rules.push(this.globalRules.SpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenParen); - rules.push(this.globalRules.NoSpaceBeforeCloseParen); - rules.push(this.globalRules.NoSpaceBetweenParens); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { - rules.push(this.globalRules.SpaceAfterOpenBracket); - rules.push(this.globalRules.SpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - else { - rules.push(this.globalRules.NoSpaceAfterOpenBracket); - rules.push(this.globalRules.NoSpaceBeforeCloseBracket); - rules.push(this.globalRules.NoSpaceBetweenBrackets); - } - if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { - rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); - } - else { - rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); - rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); - } - if (options.InsertSpaceAfterSemicolonInForStatements) { - rules.push(this.globalRules.SpaceAfterSemicolonInFor); - } - else { - rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); - } - if (options.InsertSpaceBeforeAndAfterBinaryOperators) { - rules.push(this.globalRules.SpaceBeforeBinaryOperator); - rules.push(this.globalRules.SpaceAfterBinaryOperator); - } - else { - rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); - rules.push(this.globalRules.NoSpaceAfterBinaryOperator); - } - if (options.PlaceOpenBraceOnNewLineForControlBlocks) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); - } - if (options.PlaceOpenBraceOnNewLineForFunctions) { - rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); - rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); - } - rules = rules.concat(this.globalRules.LowPriorityCommonRules); - return rules; - }; - return RulesProvider; - }()); - formatting.RulesProvider = RulesProvider; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var Constants; - (function (Constants) { - Constants[Constants["Unknown"] = -1] = "Unknown"; - })(Constants || (Constants = {})); - function formatOnEnter(position, sourceFile, rulesProvider, options) { - var line = sourceFile.getLineAndCharacterOfPosition(position).line; - if (line === 0) { - return []; - } - // get the span for the previous\current line - var span = { - // get start position for the previous line - pos: ts.getStartPositionOfLine(line - 1, sourceFile), - // get end position for the current line (end value is exclusive so add 1 to the result) - end: ts.getEndLinePosition(line, sourceFile) + 1 - }; - return formatSpan(span, sourceFile, options, rulesProvider, 2 /* FormatOnEnter */); - } - formatting.formatOnEnter = formatOnEnter; - function formatOnSemicolon(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 23 /* SemicolonToken */, sourceFile, options, rulesProvider, 3 /* FormatOnSemicolon */); - } - formatting.formatOnSemicolon = formatOnSemicolon; - function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { - return formatOutermostParent(position, 16 /* CloseBraceToken */, sourceFile, options, rulesProvider, 4 /* FormatOnClosingCurlyBrace */); - } - formatting.formatOnClosingCurly = formatOnClosingCurly; - function formatDocument(sourceFile, rulesProvider, options) { - var span = { - pos: 0, - end: sourceFile.text.length - }; - return formatSpan(span, sourceFile, options, rulesProvider, 0 /* FormatDocument */); - } - formatting.formatDocument = formatDocument; - function formatSelection(start, end, sourceFile, rulesProvider, options) { - // format from the beginning of the line - var span = { - pos: ts.getLineStartPositionForPosition(start, sourceFile), - end: end - }; - return formatSpan(span, sourceFile, options, rulesProvider, 1 /* FormatSelection */); - } - formatting.formatSelection = formatSelection; - function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { - var parent = findOutermostParent(position, expectedLastToken, sourceFile); - if (!parent) { - return []; - } - var span = { - pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), - end: parent.end - }; - return formatSpan(span, sourceFile, options, rulesProvider, requestKind); - } - function findOutermostParent(position, expectedTokenKind, sourceFile) { - var precedingToken = ts.findPrecedingToken(position, sourceFile); - // when it is claimed that trigger character was typed at given position - // we verify that there is a token with a matching kind whose end is equal to position (because the character was just typed). - // If this condition is not hold - then trigger character was typed in some other context, - // i.e.in comment and thus should not trigger autoformatting - if (!precedingToken || - precedingToken.kind !== expectedTokenKind || - position !== precedingToken.getEnd()) { - return undefined; - } - // walk up and search for the parent node that ends at the same position with precedingToken. - // for cases like this - // - // let x = 1; - // while (true) { - // } - // after typing close curly in while statement we want to reformat just the while statement. - // However if we just walk upwards searching for the parent that has the same end value - - // we'll end up with the whole source file. isListElement allows to stop on the list element level - var current = precedingToken; - while (current && - current.parent && - current.parent.end === precedingToken.end && - !isListElement(current.parent, current)) { - current = current.parent; - } - return current; - } - // Returns true if node is a element in some list in parent - // i.e. parent is class declaration with the list of members and node is one of members. - function isListElement(parent, node) { - switch (parent.kind) { - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - return ts.rangeContainsRange(parent.members, node); - case 221 /* ModuleDeclaration */: - var body = parent.body; - return body && body.kind === 195 /* Block */ && ts.rangeContainsRange(body.statements, node); - case 251 /* SourceFile */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - return ts.rangeContainsRange(parent.statements, node); - case 247 /* CatchClause */: - return ts.rangeContainsRange(parent.block.statements, node); - } - return false; - } - /** find node that fully contains given text range */ - function findEnclosingNode(range, sourceFile) { - return find(sourceFile); - function find(n) { - var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); - if (candidate) { - var result = find(candidate); - if (result) { - return result; - } - } - return n; - } - } - /** formatting is not applied to ranges that contain parse errors. - * This function will return a predicate that for a given text range will tell - * if there are any parse errors that overlap with the range. - */ - function prepareRangeContainsErrorFunction(errors, originalRange) { - if (!errors.length) { - return rangeHasNoErrors; - } - // pick only errors that fall in range - var sorted = errors - .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) - .sort(function (e1, e2) { return e1.start - e2.start; }); - if (!sorted.length) { - return rangeHasNoErrors; - } - var index = 0; - return function (r) { - // in current implementation sequence of arguments [r1, r2...] is monotonically increasing. - // 'index' tracks the index of the most recent error that was checked. - while (true) { - if (index >= sorted.length) { - // all errors in the range were already checked -> no error in specified range - return false; - } - var error = sorted[index]; - if (r.end <= error.start) { - // specified range ends before the error refered by 'index' - no error in range - return false; - } - if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { - // specified range overlaps with error range - return true; - } - index++; - } - }; - function rangeHasNoErrors(r) { - return false; - } - } - /** - * Start of the original range might fall inside the comment - scanner will not yield appropriate results - * This function will look for token that is located before the start of target range - * and return its end as start position for the scanner. - */ - function getScanStartPosition(enclosingNode, originalRange, sourceFile) { - var start = enclosingNode.getStart(sourceFile); - if (start === originalRange.pos && enclosingNode.end === originalRange.end) { - return start; - } - var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); - if (!precedingToken) { - // no preceding token found - start from the beginning of enclosing node - return enclosingNode.pos; - } - // preceding token ends after the start of original range (i.e when originaRange.pos falls in the middle of literal) - // start from the beginning of enclosingNode to handle the entire 'originalRange' - if (precedingToken.end >= originalRange.pos) { - return enclosingNode.pos; - } - return precedingToken.end; - } - /* - * For cases like - * if (a || - * b ||$ - * c) {...} - * If we hit Enter at $ we want line ' b ||' to be indented. - * Formatting will be applied to the last two lines. - * Node that fully encloses these lines is binary expression 'a ||...'. - * Initial indentation for this node will be 0. - * Binary expressions don't introduce new indentation scopes, however it is possible - * that some parent node on the same line does - like if statement in this case. - * Note that we are considering parents only from the same line with initial node - - * if parent is on the different line - its delta was already contributed - * to the initial indentation. - */ - function getOwnOrInheritedDelta(n, options, sourceFile) { - var previousLine = -1 /* Unknown */; - var child; - while (n) { - var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; - if (previousLine !== -1 /* Unknown */ && line !== previousLine) { - break; - } - if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { - return options.IndentSize; - } - previousLine = line; - child = n; - n = n.parent; - } - return 0; - } - function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { - var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); - // formatting context is used by rules provider - var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); - // find the smallest node that fully wraps the range and compute the initial indentation for the node - var enclosingNode = findEnclosingNode(originalRange, sourceFile); - var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); - var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); - var previousRangeHasError; - var previousRange; - var previousParent; - var previousRangeStartLine; - var lastIndentedLine; - var indentationOnLastIndentedLine; - var edits = []; - formattingScanner.advance(); - if (formattingScanner.isOnToken()) { - var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; - var undecoratedStartLine = startLine; - if (enclosingNode.decorators) { - undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; - } - var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); - processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); - } - if (!formattingScanner.isOnToken()) { - var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); - if (leadingTrivia) { - processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); - trimTrailingWhitespacesForRemainingRange(); - } - } - formattingScanner.close(); - return edits; - // local functions - /** Tries to compute the indentation for a list element. - * If list element is not in range then - * function will pick its actual indentation - * so it can be pushed downstream as inherited indentation. - * If list element is in the range - its indentation will be equal - * to inherited indentation from its predecessors. - */ - function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { - if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || - ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) { - if (inheritedIndentation !== -1 /* Unknown */) { - return inheritedIndentation; - } - } - else { - var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; - var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); - var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); - if (startLine !== parentStartLine || startPos === column) { - return column; - } - } - return -1 /* Unknown */; - } - function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { - var indentation = inheritedIndentation; - var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; - if (effectiveParentStartLine === startLine) { - // if node is located on the same line with the parent - // - inherit indentation from the parent - // - push children if either parent of node itself has non-zero delta - indentation = startLine === lastIndentedLine - ? indentationOnLastIndentedLine - : parentDynamicIndentation.getIndentation(); - delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); - } - else if (indentation === -1 /* Unknown */) { - if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { - indentation = parentDynamicIndentation.getIndentation(); - } - else { - indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); - } - } - return { - indentation: indentation, - delta: delta - }; - } - function getFirstNonDecoratorTokenOfNode(node) { - if (node.modifiers && node.modifiers.length) { - return node.modifiers[0].kind; - } - switch (node.kind) { - case 217 /* ClassDeclaration */: return 73 /* ClassKeyword */; - case 218 /* InterfaceDeclaration */: return 107 /* InterfaceKeyword */; - case 216 /* FunctionDeclaration */: return 87 /* FunctionKeyword */; - case 220 /* EnumDeclaration */: return 220 /* EnumDeclaration */; - case 146 /* GetAccessor */: return 123 /* GetKeyword */; - case 147 /* SetAccessor */: return 129 /* SetKeyword */; - case 144 /* MethodDeclaration */: - if (node.asteriskToken) { - return 37 /* AsteriskToken */; - } - // fall-through - case 142 /* PropertyDeclaration */: - case 139 /* Parameter */: - return node.name.kind; - } - } - function getDynamicIndentation(node, nodeStartLine, indentation, delta) { - return { - getIndentationForComment: function (kind, tokenIndentation, container) { - switch (kind) { - // preceding comment to the token that closes the indentation scope inherits the indentation from the scope - // .. { - // // comment - // } - case 16 /* CloseBraceToken */: - case 20 /* CloseBracketToken */: - case 18 /* CloseParenToken */: - return indentation + getEffectiveDelta(delta, container); - } - return tokenIndentation !== -1 /* Unknown */ ? tokenIndentation : indentation; - }, - getIndentationForToken: function (line, kind, container) { - if (nodeStartLine !== line && node.decorators) { - if (kind === getFirstNonDecoratorTokenOfNode(node)) { - // if this token is the first token following the list of decorators, we do not need to indent - return indentation; - } - } - switch (kind) { - // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent - case 15 /* OpenBraceToken */: - case 16 /* CloseBraceToken */: - case 19 /* OpenBracketToken */: - case 20 /* CloseBracketToken */: - case 17 /* OpenParenToken */: - case 18 /* CloseParenToken */: - case 80 /* ElseKeyword */: - case 104 /* WhileKeyword */: - case 55 /* AtToken */: - return indentation; - default: - // if token line equals to the line of containing node (this is a first token in the node) - use node indentation - return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; - } - }, - getIndentation: function () { return indentation; }, - getDelta: function (child) { return getEffectiveDelta(delta, child); }, - recomputeIndentation: function (lineAdded) { - if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { - if (lineAdded) { - indentation += options.IndentSize; - } - else { - indentation -= options.IndentSize; - } - if (formatting.SmartIndenter.shouldIndentChildNode(node)) { - delta = options.IndentSize; - } - else { - delta = 0; - } - } - } - }; - function getEffectiveDelta(delta, child) { - // Delta value should be zero when the node explicitly prevents indentation of the child node - return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; - } - } - function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { - if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { - return; - } - var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); - // a useful observations when tracking context node - // / - // [a] - // / | \ - // [b] [c] [d] - // node 'a' is a context node for nodes 'b', 'c', 'd' - // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a' - // this rule can be applied recursively to child nodes of 'a'. - // - // context node is set to parent node value after processing every child node - // context node is set to parent of the token after processing every token - var childContextNode = contextNode; - // if there are any tokens that logically belong to node and interleave child nodes - // such tokens will be consumed in processChildNode for for the child that follows them - ts.forEachChild(node, function (child) { - processChildNode(child, /*inheritedIndentation*/ -1 /* Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListElement*/ false); - }, function (nodes) { - processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); - }); - // proceed any tokens in the node that are located after child nodes - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > node.end) { - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); - } - function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { - var childStartPos = child.getStart(sourceFile); - var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; - var undecoratedChildStartLine = childStartLine; - if (child.decorators) { - undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; - } - // if child is a list item - try to get its indentation - var childIndentationAmount = -1 /* Unknown */; - if (isListItem) { - childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); - if (childIndentationAmount !== -1 /* Unknown */) { - inheritedIndentation = childIndentationAmount; - } - } - // child node is outside the target range - do not dive inside - if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { - return inheritedIndentation; - } - if (child.getFullWidth() === 0) { - return inheritedIndentation; - } - while (formattingScanner.isOnToken()) { - // proceed any parent tokens that are located prior to child.getStart() - var tokenInfo = formattingScanner.readTokenInfo(node); - if (tokenInfo.token.end > childStartPos) { - // stop when formatting scanner advances past the beginning of the child - break; - } - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); - } - if (!formattingScanner.isOnToken()) { - return inheritedIndentation; - } - if (ts.isToken(child)) { - // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules - var tokenInfo = formattingScanner.readTokenInfo(child); - ts.Debug.assert(tokenInfo.token.end === child.end); - consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); - return inheritedIndentation; - } - var effectiveParentStartLine = child.kind === 140 /* Decorator */ ? childStartLine : undecoratedParentStartLine; - var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); - processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); - childContextNode = node; - return inheritedIndentation; - } - function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { - var listStartToken = getOpenTokenForList(parent, nodes); - var listEndToken = getCloseTokenForOpenToken(listStartToken); - var listDynamicIndentation = parentDynamicIndentation; - var startLine = parentStartLine; - if (listStartToken !== 0 /* Unknown */) { - // introduce a new indentation scope for lists (including list start and end tokens) - while (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - if (tokenInfo.token.end > nodes.pos) { - // stop when formatting scanner moves past the beginning of node list - break; - } - else if (tokenInfo.token.kind === listStartToken) { - // consume list start token - startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; - var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1 /* Unknown */, parent, parentDynamicIndentation, parentStartLine); - listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - else { - // consume any tokens that precede the list as child elements of 'node' using its indentation scope - consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); - } - } - } - var inheritedIndentation = -1 /* Unknown */; - for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { - var child = nodes_6[_i]; - inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListElement*/ true); - } - if (listEndToken !== 0 /* Unknown */) { - if (formattingScanner.isOnToken()) { - var tokenInfo = formattingScanner.readTokenInfo(parent); - // consume the list end token only if it is still belong to the parent - // there might be the case when current token matches end token but does not considered as one - // function (x: function) <-- - // without this check close paren will be interpreted as list end token for function expression which is wrong - if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { - // consume list end token - consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); - } - } - } - } - function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { - ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); - var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); - var indentToken = false; - if (currentTokenInfo.leadingTrivia) { - processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); - } - var lineAdded; - var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); - var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); - if (isTokenInRange) { - var rangeHasError = rangeContainsError(currentTokenInfo.token); - // save previousRange since processRange will overwrite this value with current one - var savePreviousRange = previousRange; - lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); - if (rangeHasError) { - // do not indent comments\token if token range overlaps with some error - indentToken = false; - } - else { - if (lineAdded !== undefined) { - indentToken = lineAdded; - } - else { - // indent token only if end line of previous range does not match start line of the token - var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; - indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; - } - } - } - if (currentTokenInfo.trailingTrivia) { - processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); - } - if (indentToken) { - var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? - dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : - -1 /* Unknown */; - if (currentTokenInfo.leadingTrivia) { - var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); - var indentNextTokenOrTrivia = true; - for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { - var triviaItem = _a[_i]; - if (!ts.rangeContainsRange(originalRange, triviaItem)) { - continue; - } - switch (triviaItem.kind) { - case 3 /* MultiLineCommentTrivia */: - indentMultilineComment(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia); - indentNextTokenOrTrivia = false; - break; - case 2 /* SingleLineCommentTrivia */: - if (indentNextTokenOrTrivia) { - insertIndentation(triviaItem.pos, commentIndentation, /*lineAdded*/ false); - indentNextTokenOrTrivia = false; - } - break; - case 4 /* NewLineTrivia */: - indentNextTokenOrTrivia = true; - break; - } - } - } - // indent token only if is it is in target range and does not overlap with any error ranges - if (tokenIndentation !== -1 /* Unknown */) { - insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); - lastIndentedLine = tokenStart.line; - indentationOnLastIndentedLine = tokenIndentation; - } - } - formattingScanner.advance(); - childContextNode = parent; - } - } - function processTrivia(trivia, parent, contextNode, dynamicIndentation) { - for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { - var triviaItem = trivia_1[_i]; - if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { - var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); - processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); - } - } - } - function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { - var rangeHasError = rangeContainsError(range); - var lineAdded; - if (!rangeHasError && !previousRangeHasError) { - if (!previousRange) { - // trim whitespaces starting from the beginning of the span up to the current line - var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); - trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); - } - else { - lineAdded = - processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); - } - } - previousRange = range; - previousParent = parent; - previousRangeStartLine = rangeStart.line; - previousRangeHasError = rangeHasError; - return lineAdded; - } - function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { - formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); - var rule = rulesProvider.getRulesMap().GetRule(formattingContext); - var trimTrailingWhitespaces; - var lineAdded; - if (rule) { - applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); - if (rule.Operation.Action & (2 /* Space */ | 8 /* Delete */) && currentStartLine !== previousStartLine) { - lineAdded = false; - // Handle the case where the next line is moved to be the end of this line. - // In this case we don't indent the next line in the next pass. - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(/*lineAdded*/ false); - } - } - else if (rule.Operation.Action & 4 /* NewLine */ && currentStartLine === previousStartLine) { - lineAdded = true; - // Handle the case where token2 is moved to the new line. - // In this case we indent token2 in the next pass but we set - // sameLineIndent flag to notify the indenter that the indentation is within the line. - if (currentParent.getStart(sourceFile) === currentItem.pos) { - dynamicIndentation.recomputeIndentation(/*lineAdded*/ true); - } - } - // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line - trimTrailingWhitespaces = !(rule.Operation.Action & 8 /* Delete */) && rule.Flag !== 1 /* CanDeleteNewLines */; - } - else { - trimTrailingWhitespaces = true; - } - if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { - // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line - trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); - } - return lineAdded; - } - function insertIndentation(pos, indentation, lineAdded) { - var indentationString = getIndentationString(indentation, options); - if (lineAdded) { - // new line is added before the token by the formatting rules - // insert indentation string at the very beginning of the token - recordReplace(pos, 0, indentationString); - } - else { - var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); - if (indentation !== tokenStart.character) { - var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); - recordReplace(startLinePosition, tokenStart.character, indentationString); - } - } - } - function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { - // split comment in lines - var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; - var parts; - if (startLine === endLine) { - if (!firstLineIsIndented) { - // treat as single line comment - insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false); - } - return; - } - else { - parts = []; - var startPos = commentRange.pos; - for (var line = startLine; line < endLine; ++line) { - var endOfLine = ts.getEndLinePosition(line, sourceFile); - parts.push({ pos: startPos, end: endOfLine }); - startPos = ts.getStartPositionOfLine(line + 1, sourceFile); - } - parts.push({ pos: startPos, end: commentRange.end }); - } - var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); - if (indentation === nonWhitespaceColumnInFirstPart.column) { - return; - } - var startIndex = 0; - if (firstLineIsIndented) { - startIndex = 1; - startLine++; - } - // shift all parts on the delta size - var delta = indentation - nonWhitespaceColumnInFirstPart.column; - for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { - var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); - var nonWhitespaceCharacterAndColumn = i === 0 - ? nonWhitespaceColumnInFirstPart - : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); - var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; - if (newIndentation > 0) { - var indentationString = getIndentationString(newIndentation, options); - recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); - } - else { - recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); - } - } - } - function trimTrailingWhitespacesForLines(line1, line2, range) { - for (var line = line1; line < line2; ++line) { - var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); - var lineEndPosition = ts.getEndLinePosition(line, sourceFile); - // do not trim whitespaces in comments or template expression - if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { - continue; - } - var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); - if (whitespaceStart !== -1) { - ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); - recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); - } - } - } - /** - * @param start The position of the first character in range - * @param end The position of the last character in range - */ - function getTrailingWhitespaceStartPosition(start, end) { - var pos = end; - while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos--; - } - if (pos !== end) { - return pos + 1; - } - return -1; - } - /** - * Trimming will be done for lines after the previous range - */ - function trimTrailingWhitespacesForRemainingRange() { - var startPosition = previousRange ? previousRange.end : originalRange.pos; - var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; - var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; - trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); - } - function newTextChange(start, len, newText) { - return { span: ts.createTextSpan(start, len), newText: newText }; - } - function recordDelete(start, len) { - if (len) { - edits.push(newTextChange(start, len, "")); - } - } - function recordReplace(start, len, newText) { - if (len || newText) { - edits.push(newTextChange(start, len, newText)); - } - } - function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { - var between; - switch (rule.Operation.Action) { - case 1 /* Ignore */: - // no action required - return; - case 8 /* Delete */: - if (previousRange.end !== currentRange.pos) { - // delete characters starting from t1.end up to t2.pos exclusive - recordDelete(previousRange.end, currentRange.pos - previousRange.end); - } - break; - case 4 /* NewLine */: - // exit early if we on different lines and rule cannot change number of newlines - // if line1 and line2 are on subsequent lines then no edits are required - ok to exit - // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines - if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { - return; - } - // edit should not be applied only if we have one line feed between elements - var lineDelta = currentStartLine - previousStartLine; - if (lineDelta !== 1) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); - } - break; - case 2 /* Space */: - // exit early if we on different lines and rule cannot change number of newlines - if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { - return; - } - var posDelta = currentRange.pos - previousRange.end; - if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* space */) { - recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); - } - break; - } - } - } - function isSomeBlock(kind) { - switch (kind) { - case 195 /* Block */: - case 222 /* ModuleBlock */: - return true; - } - return false; - } - function getOpenTokenForList(node, list) { - switch (node.kind) { - case 145 /* Constructor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 177 /* ArrowFunction */: - if (node.typeParameters === list) { - return 25 /* LessThanToken */; - } - else if (node.parameters === list) { - return 17 /* OpenParenToken */; - } - break; - case 171 /* CallExpression */: - case 172 /* NewExpression */: - if (node.typeArguments === list) { - return 25 /* LessThanToken */; - } - else if (node.arguments === list) { - return 17 /* OpenParenToken */; - } - break; - case 152 /* TypeReference */: - if (node.typeArguments === list) { - return 25 /* LessThanToken */; - } - } - return 0 /* Unknown */; - } - function getCloseTokenForOpenToken(kind) { - switch (kind) { - case 17 /* OpenParenToken */: - return 18 /* CloseParenToken */; - case 25 /* LessThanToken */: - return 27 /* GreaterThanToken */; - } - return 0 /* Unknown */; - } - var internedSizes; - var internedTabsIndentation; - var internedSpacesIndentation; - function getIndentationString(indentation, options) { - // reset interned strings if FormatCodeOptions were changed - var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); - if (resetInternedStrings) { - internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; - internedTabsIndentation = internedSpacesIndentation = undefined; - } - if (!options.ConvertTabsToSpaces) { - var tabs = Math.floor(indentation / options.TabSize); - var spaces = indentation - tabs * options.TabSize; - var tabString = void 0; - if (!internedTabsIndentation) { - internedTabsIndentation = []; - } - if (internedTabsIndentation[tabs] === undefined) { - internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); - } - else { - tabString = internedTabsIndentation[tabs]; - } - return spaces ? tabString + repeat(" ", spaces) : tabString; - } - else { - var spacesString = void 0; - var quotient = Math.floor(indentation / options.IndentSize); - var remainder = indentation % options.IndentSize; - if (!internedSpacesIndentation) { - internedSpacesIndentation = []; - } - if (internedSpacesIndentation[quotient] === undefined) { - spacesString = repeat(" ", options.IndentSize * quotient); - internedSpacesIndentation[quotient] = spacesString; - } - else { - spacesString = internedSpacesIndentation[quotient]; - } - return remainder ? spacesString + repeat(" ", remainder) : spacesString; - } - function repeat(value, count) { - var s = ""; - for (var i = 0; i < count; ++i) { - s += value; - } - return s; - } - } - formatting.getIndentationString = getIndentationString; - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/* @internal */ -var ts; -(function (ts) { - var formatting; - (function (formatting) { - var SmartIndenter; - (function (SmartIndenter) { - var Value; - (function (Value) { - Value[Value["Unknown"] = -1] = "Unknown"; - })(Value || (Value = {})); - function getIndentation(position, sourceFile, options) { - if (position > sourceFile.text.length) { - return 0; // past EOF - } - // no indentation when the indent style is set to none, - // so we can return fast - if (options.IndentStyle === ts.IndentStyle.None) { - return 0; - } - var precedingToken = ts.findPrecedingToken(position, sourceFile); - if (!precedingToken) { - return 0; - } - // no indentation in string \regex\template literals - var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); - if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { - return 0; - } - var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - // indentation is first non-whitespace character in a previous line - // for block indentation, we should look for a line which contains something that's not - // whitespace. - if (options.IndentStyle === ts.IndentStyle.Block) { - // move backwards until we find a line with a non-whitespace character, - // then find the first non-whitespace character for that line. - var current_1 = position; - while (current_1 > 0) { - var char = sourceFile.text.charCodeAt(current_1); - if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { - break; - } - current_1--; - } - var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); - return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); - } - if (precedingToken.kind === 24 /* CommaToken */ && precedingToken.parent.kind !== 184 /* BinaryExpression */) { - // previous token is comma that separates items in list - find the previous item and try to derive indentation from it - var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation; - } - } - // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken' - // if such node is found - compute initial indentation for 'position' inside this node - var previous; - var current = precedingToken; - var currentStart; - var indentationDelta; - while (current) { - if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { - currentStart = getStartLineAndCharacterForNode(current, sourceFile); - if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { - indentationDelta = 0; - } - else { - indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; - } - break; - } - // check if current node is a list item - if yes, take indentation from it - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + options.IndentSize; - } - previous = current; - current = current.parent; - } - if (!current) { - // no parent was found - return 0 to be indented on the level of SourceFile - return 0; - } - return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, options); - } - SmartIndenter.getIndentation = getIndentation; - function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { - var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, options); - } - SmartIndenter.getIndentationForNode = getIndentationForNode; - function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { - var parent = current.parent; - var parentStart; - // walk upwards and collect indentations for pairs of parent-child nodes - // indentation is not added if parent and child nodes start on the same line or if parent is IfStatement and child starts on the same line with 'else clause' - while (parent) { - var useActualIndentation = true; - if (ignoreActualIndentationRange) { - var start = current.getStart(sourceFile); - useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; - } - if (useActualIndentation) { - // check if current node is a list item - if yes, take indentation from it - var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - } - parentStart = getParentStart(parent, current, sourceFile); - var parentAndChildShareLine = parentStart.line === currentStart.line || - childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); - if (useActualIndentation) { - // try to fetch actual indentation for current node from source text - var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); - if (actualIndentation !== -1 /* Unknown */) { - return actualIndentation + indentationDelta; - } - } - // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line - if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { - indentationDelta += options.IndentSize; - } - current = parent; - currentStart = parentStart; - parent = current.parent; - } - return indentationDelta; - } - function getParentStart(parent, child, sourceFile) { - var containingList = getContainingList(child, sourceFile); - if (containingList) { - return sourceFile.getLineAndCharacterOfPosition(containingList.pos); - } - return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); - } - /* - * Function returns Value.Unknown if indentation cannot be determined - */ - function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { - // previous token is comma that separates items in list - find the previous item and try to derive indentation from it - var commaItemInfo = ts.findListItemInfo(commaToken); - if (commaItemInfo && commaItemInfo.listItemIndex > 0) { - return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); - } - else { - // handle broken code gracefully - return -1 /* Unknown */; - } - } - /* - * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression) - */ - function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { - // actual indentation is used for statements\declarations if one of cases below is true: - // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually - // - parent and child are not on the same line - var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && - (parent.kind === 251 /* SourceFile */ || !parentAndChildShareLine); - if (!useActualIndentation) { - return -1 /* Unknown */; - } - return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); - } - function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { - var nextToken = ts.findNextToken(precedingToken, current); - if (!nextToken) { - return false; - } - if (nextToken.kind === 15 /* OpenBraceToken */) { - // open braces are always indented at the parent level - return true; - } - else if (nextToken.kind === 16 /* CloseBraceToken */) { - // close braces are indented at the parent level if they are located on the same line with cursor - // this means that if new line will be added at $ position, this case will be indented - // class A { - // $ - // } - /// and this one - not - // class A { - // $} - var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; - return lineAtPosition === nextTokenStartLine; - } - return false; - } - function getStartLineAndCharacterForNode(n, sourceFile) { - return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); - } - function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { - if (parent.kind === 199 /* IfStatement */ && parent.elseStatement === child) { - var elseKeyword = ts.findChildOfKind(parent, 80 /* ElseKeyword */, sourceFile); - ts.Debug.assert(elseKeyword !== undefined); - var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; - return elseKeywordStartLine === childStartLine; - } - return false; - } - SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; - function getContainingList(node, sourceFile) { - if (node.parent) { - switch (node.parent.kind) { - case 152 /* TypeReference */: - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { - return node.parent.typeArguments; - } - break; - case 168 /* ObjectLiteralExpression */: - return node.parent.properties; - case 167 /* ArrayLiteralExpression */: - return node.parent.elements; - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: { - var start = node.getStart(sourceFile); - if (node.parent.typeParameters && - ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { - return node.parent.typeParameters; - } - if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { - return node.parent.parameters; - } - break; - } - case 172 /* NewExpression */: - case 171 /* CallExpression */: { - var start = node.getStart(sourceFile); - if (node.parent.typeArguments && - ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { - return node.parent.typeArguments; - } - if (node.parent.arguments && - ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { - return node.parent.arguments; - } - break; - } - } - } - return undefined; - } - function getActualIndentationForListItem(node, sourceFile, options) { - var containingList = getContainingList(node, sourceFile); - return containingList ? getActualIndentationFromList(containingList) : -1 /* Unknown */; - function getActualIndentationFromList(list) { - var index = ts.indexOf(list, node); - return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1 /* Unknown */; - } - } - function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { - // actual indentation should not be used when: - // - node is close parenthesis - this is the end of the expression - if (node.kind === 18 /* CloseParenToken */) { - return -1 /* Unknown */; - } - if (node.parent && (node.parent.kind === 171 /* CallExpression */ || - node.parent.kind === 172 /* NewExpression */) && - node.parent.expression !== node) { - var fullCallOrNewExpression = node.parent.expression; - var startingExpression = getStartingExpression(fullCallOrNewExpression); - if (fullCallOrNewExpression === startingExpression) { - return -1 /* Unknown */; - } - var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); - var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); - if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { - return -1 /* Unknown */; - } - return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); - } - return -1 /* Unknown */; - function getStartingExpression(node) { - while (true) { - switch (node.kind) { - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 169 /* PropertyAccessExpression */: - case 170 /* ElementAccessExpression */: - node = node.expression; - break; - default: - return node; - } - } - } - } - function deriveActualIndentationFromList(list, index, sourceFile, options) { - ts.Debug.assert(index >= 0 && index < list.length); - var node = list[index]; - // walk toward the start of the list starting from current node and check if the line is the same for all items. - // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i] - var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); - for (var i = index - 1; i >= 0; --i) { - if (list[i].kind === 24 /* CommaToken */) { - continue; - } - // skip list items that ends on the same line with the current list element - var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; - if (prevEndLine !== lineAndCharacter.line) { - return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); - } - lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); - } - return -1 /* Unknown */; - } - function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { - var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); - return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); - } - /* - Character is the actual index of the character since the beginning of the line. - Column - position of the character after expanding tabs to spaces - "0\t2$" - value of 'character' for '$' is 3 - value of 'column' for '$' is 6 (assuming that tab size is 4) - */ - function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { - var character = 0; - var column = 0; - for (var pos = startPos; pos < endPos; ++pos) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch)) { - break; - } - if (ch === 9 /* tab */) { - column += options.TabSize + (column % options.TabSize); - } - else { - column++; - } - character++; - } - return { column: column, character: character }; - } - SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; - function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { - return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; - } - SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; - function nodeContentIsAlwaysIndented(kind) { - switch (kind) { - case 198 /* ExpressionStatement */: - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 167 /* ArrayLiteralExpression */: - case 195 /* Block */: - case 222 /* ModuleBlock */: - case 168 /* ObjectLiteralExpression */: - case 156 /* TypeLiteral */: - case 158 /* TupleType */: - case 223 /* CaseBlock */: - case 245 /* DefaultClause */: - case 244 /* CaseClause */: - case 175 /* ParenthesizedExpression */: - case 169 /* PropertyAccessExpression */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 196 /* VariableStatement */: - case 214 /* VariableDeclaration */: - case 230 /* ExportAssignment */: - case 207 /* ReturnStatement */: - case 185 /* ConditionalExpression */: - case 165 /* ArrayBindingPattern */: - case 164 /* ObjectBindingPattern */: - case 238 /* JsxOpeningElement */: - case 237 /* JsxSelfClosingElement */: - case 243 /* JsxExpression */: - case 143 /* MethodSignature */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 139 /* Parameter */: - case 153 /* FunctionType */: - case 154 /* ConstructorType */: - case 161 /* ParenthesizedType */: - case 173 /* TaggedTemplateExpression */: - case 181 /* AwaitExpression */: - case 228 /* NamedImports */: - return true; - } - return false; - } - /* @internal */ - function nodeWillIndentChild(parent, child, indentByDefault) { - var childKind = child ? child.kind : 0 /* Unknown */; - switch (parent.kind) { - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 202 /* ForStatement */: - case 199 /* IfStatement */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 144 /* MethodDeclaration */: - case 177 /* ArrowFunction */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - return childKind !== 195 /* Block */; - case 236 /* JsxElement */: - return childKind !== 240 /* JsxClosingElement */; - } - // No explicit rule for given nodes so the result will follow the default value argument - return indentByDefault; - } - SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; - /* - Function returns true when the parent node should indent the given child by an explicit rule - */ - function shouldIndentChildNode(parent, child) { - return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); - } - SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; - })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); - })(formatting = ts.formatting || (ts.formatting = {})); -})(ts || (ts = {})); -/// -/// -/// -/// -/// -/// -/// -/// -/// -/// -var ts; -(function (ts) { - /** The version of the language service API */ - ts.servicesVersion = "0.4"; - var ScriptSnapshot; - (function (ScriptSnapshot) { - var StringScriptSnapshot = (function () { - function StringScriptSnapshot(text) { - this.text = text; - } - StringScriptSnapshot.prototype.getText = function (start, end) { - return this.text.substring(start, end); - }; - StringScriptSnapshot.prototype.getLength = function () { - return this.text.length; - }; - StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { - // Text-based snapshots do not support incremental parsing. Return undefined - // to signal that to the caller. - return undefined; - }; - return StringScriptSnapshot; - }()); - function fromString(text) { - return new StringScriptSnapshot(text); - } - ScriptSnapshot.fromString = fromString; - })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); - var emptyArray = []; - var jsDocTagNames = [ - "augments", - "author", - "argument", - "borrows", - "class", - "constant", - "constructor", - "constructs", - "default", - "deprecated", - "description", - "event", - "example", - "extends", - "field", - "fileOverview", - "function", - "ignore", - "inner", - "lends", - "link", - "memberOf", - "name", - "namespace", - "param", - "private", - "property", - "public", - "requires", - "returns", - "see", - "since", - "static", - "throws", - "type", - "version" - ]; - var jsDocCompletionEntries; - function createNode(kind, pos, end, flags, parent) { - var node = new NodeObject(kind, pos, end); - node.flags = flags; - node.parent = parent; - return node; - } - var NodeObject = (function () { - function NodeObject(kind, pos, end) { - this.kind = kind; - this.pos = pos; - this.end = end; - this.flags = 0 /* None */; - this.parent = undefined; - } - NodeObject.prototype.getSourceFile = function () { - return ts.getSourceFileOfNode(this); - }; - NodeObject.prototype.getStart = function (sourceFile) { - return ts.getTokenPosOfNode(this, sourceFile); - }; - NodeObject.prototype.getFullStart = function () { - return this.pos; - }; - NodeObject.prototype.getEnd = function () { - return this.end; - }; - NodeObject.prototype.getWidth = function (sourceFile) { - return this.getEnd() - this.getStart(sourceFile); - }; - NodeObject.prototype.getFullWidth = function () { - return this.end - this.pos; - }; - NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { - return this.getStart(sourceFile) - this.pos; - }; - NodeObject.prototype.getFullText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); - }; - NodeObject.prototype.getText = function (sourceFile) { - return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); - }; - NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { - scanner.setTextPos(pos); - while (pos < end) { - var token = scanner.scan(); - var textPos = scanner.getTextPos(); - nodes.push(createNode(token, pos, textPos, 2048 /* Synthetic */, this)); - pos = textPos; - } - return pos; - }; - NodeObject.prototype.createSyntaxList = function (nodes) { - var list = createNode(274 /* SyntaxList */, nodes.pos, nodes.end, 2048 /* Synthetic */, this); - list._children = []; - var pos = nodes.pos; - for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { - var node = nodes_7[_i]; - if (pos < node.pos) { - pos = this.addSyntheticNodes(list._children, pos, node.pos); - } - list._children.push(node); - pos = node.end; - } - if (pos < nodes.end) { - this.addSyntheticNodes(list._children, pos, nodes.end); - } - return list; - }; - NodeObject.prototype.createChildren = function (sourceFile) { - var _this = this; - var children; - if (this.kind >= 136 /* FirstNode */) { - scanner.setText((sourceFile || this.getSourceFile()).text); - children = []; - var pos_3 = this.pos; - var processNode = function (node) { - if (pos_3 < node.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); - } - children.push(node); - pos_3 = node.end; - }; - var processNodes = function (nodes) { - if (pos_3 < nodes.pos) { - pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); - } - children.push(_this.createSyntaxList(nodes)); - pos_3 = nodes.end; - }; - ts.forEachChild(this, processNode, processNodes); - if (pos_3 < this.end) { - this.addSyntheticNodes(children, pos_3, this.end); - } - scanner.setText(undefined); - } - this._children = children || emptyArray; - }; - NodeObject.prototype.getChildCount = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children.length; - }; - NodeObject.prototype.getChildAt = function (index, sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children[index]; - }; - NodeObject.prototype.getChildren = function (sourceFile) { - if (!this._children) - this.createChildren(sourceFile); - return this._children; - }; - NodeObject.prototype.getFirstToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - if (!children.length) { - return undefined; - } - var child = children[0]; - return child.kind < 136 /* FirstNode */ ? child : child.getFirstToken(sourceFile); - }; - NodeObject.prototype.getLastToken = function (sourceFile) { - var children = this.getChildren(sourceFile); - var child = ts.lastOrUndefined(children); - if (!child) { - return undefined; - } - return child.kind < 136 /* FirstNode */ ? child : child.getLastToken(sourceFile); - }; - return NodeObject; - }()); - var SymbolObject = (function () { - function SymbolObject(flags, name) { - this.flags = flags; - this.name = name; - } - SymbolObject.prototype.getFlags = function () { - return this.flags; - }; - SymbolObject.prototype.getName = function () { - return this.name; - }; - SymbolObject.prototype.getDeclarations = function () { - return this.declarations; - }; - SymbolObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4 /* Property */)); - } - return this.documentationComment; - }; - return SymbolObject; - }()); - function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { - var documentationComment = []; - var docComments = getJsDocCommentsSeparatedByNewLines(); - ts.forEach(docComments, function (docComment) { - if (documentationComment.length) { - documentationComment.push(ts.lineBreakPart()); - } - documentationComment.push(docComment); - }); - return documentationComment; - function getJsDocCommentsSeparatedByNewLines() { - var paramTag = "@param"; - var jsDocCommentParts = []; - ts.forEach(declarations, function (declaration, indexOfDeclaration) { - // Make sure we are collecting doc comment from declaration once, - // In case of union property there might be same declaration multiple times - // which only varies in type parameter - // Eg. const a: Array | Array; a.length - // The property length will have two declarations of property length coming - // from Array - Array and Array - if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { - var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); - // If it is parameter - try and get the jsDoc comment with @param tag from function declaration's jsDoc comments - if (canUseParsedParamTagComments && declaration.kind === 139 /* Parameter */) { - ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedParamJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); - } - }); - } - // If this is left side of dotted module declaration, there is no doc comments associated with this node - if (declaration.kind === 221 /* ModuleDeclaration */ && declaration.body.kind === 221 /* ModuleDeclaration */) { - return; - } - // If this is dotted module name, get the doc comments from the parent - while (declaration.kind === 221 /* ModuleDeclaration */ && declaration.parent.kind === 221 /* ModuleDeclaration */) { - declaration = declaration.parent; - } - // Get the cleaned js doc comment text from the declaration - ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 /* VariableDeclaration */ ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { - var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); - if (cleanedJsDocComment) { - ts.addRange(jsDocCommentParts, cleanedJsDocComment); - } - }); - } - }); - return jsDocCommentParts; - function getJsDocCommentTextRange(node, sourceFile) { - return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { - return { - pos: jsDocComment.pos + "/*".length, - end: jsDocComment.end - "*/".length // Trim off comment end indicator - }; - }); - } - function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { - if (maxSpacesToRemove !== undefined) { - end = Math.min(end, pos + maxSpacesToRemove); - } - for (; pos < end; pos++) { - var ch = sourceFile.text.charCodeAt(pos); - if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { - // Either found lineBreak or non whiteSpace - return pos; - } - } - return end; - } - function consumeLineBreaks(pos, end, sourceFile) { - while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function isName(pos, end, sourceFile, name) { - return pos + name.length < end && - sourceFile.text.substr(pos, name.length) === name && - (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || - ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); - } - function isParamTag(pos, end, sourceFile) { - // If it is @param tag - return isName(pos, end, sourceFile, paramTag); - } - function pushDocCommentLineText(docComments, text, blankLineCount) { - // Add the empty lines in between texts - while (blankLineCount) { - blankLineCount--; - docComments.push(ts.textPart("")); - } - docComments.push(ts.textPart(text)); - } - function getCleanedJsDocComment(pos, end, sourceFile) { - var spacesToRemoveAfterAsterisk; - var docComments = []; - var blankLineCount = 0; - var isInParamTag = false; - while (pos < end) { - var docCommentTextOfLine = ""; - // First consume leading white space - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); - // If the comment starts with '*' consume the spaces on this line - if (pos < end && sourceFile.text.charCodeAt(pos) === 42 /* asterisk */) { - var lineStartPos = pos + 1; - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); - // Set the spaces to remove after asterisk as margin if not already set - if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - spacesToRemoveAfterAsterisk = pos - lineStartPos; - } - } - else if (spacesToRemoveAfterAsterisk === undefined) { - spacesToRemoveAfterAsterisk = 0; - } - // Analyse text on this line - while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { - var ch = sourceFile.text.charAt(pos); - if (ch === "@") { - // If it is @param tag - if (isParamTag(pos, end, sourceFile)) { - isInParamTag = true; - pos += paramTag.length; - continue; - } - else { - isInParamTag = false; - } - } - // Add the ch to doc text if we arent in param tag - if (!isInParamTag) { - docCommentTextOfLine += ch; - } - // Scan next character - pos++; - } - // Continue with next line - pos = consumeLineBreaks(pos, end, sourceFile); - if (docCommentTextOfLine) { - pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); - blankLineCount = 0; - } - else if (!isInParamTag && docComments.length) { - // This is blank line when there is text already parsed - blankLineCount++; - } - } - return docComments; - } - function getCleanedParamJsDocComment(pos, end, sourceFile) { - var paramHelpStringMargin; - var paramDocComments = []; - while (pos < end) { - if (isParamTag(pos, end, sourceFile)) { - var blankLineCount = 0; - var recordedParamTag = false; - // Consume leading spaces - pos = consumeWhiteSpaces(pos + paramTag.length); - if (pos >= end) { - break; - } - // Ignore type expression - if (sourceFile.text.charCodeAt(pos) === 123 /* openBrace */) { - pos++; - for (var curlies = 1; pos < end; pos++) { - var charCode = sourceFile.text.charCodeAt(pos); - // { character means we need to find another } to match the found one - if (charCode === 123 /* openBrace */) { - curlies++; - continue; - } - // } char - if (charCode === 125 /* closeBrace */) { - curlies--; - if (curlies === 0) { - // We do not have any more } to match the type expression is ignored completely - pos++; - break; - } - else { - // there are more { to be matched with } - continue; - } - } - // Found start of another tag - if (charCode === 64 /* at */) { - break; - } - } - // Consume white spaces - pos = consumeWhiteSpaces(pos); - if (pos >= end) { - break; - } - } - // Parameter name - if (isName(pos, end, sourceFile, name)) { - // Found the parameter we are looking for consume white spaces - pos = consumeWhiteSpaces(pos + name.length); - if (pos >= end) { - break; - } - var paramHelpString = ""; - var firstLineParamHelpStringPos = pos; - while (pos < end) { - var ch = sourceFile.text.charCodeAt(pos); - // at line break, set this comment line text and go to next line - if (ts.isLineBreak(ch)) { - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - paramHelpString = ""; - blankLineCount = 0; - recordedParamTag = true; - } - else if (recordedParamTag) { - blankLineCount++; - } - // Get the pos after cleaning start of the line - setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); - continue; - } - // Done scanning param help string - next tag found - if (ch === 64 /* at */) { - break; - } - paramHelpString += sourceFile.text.charAt(pos); - // Go to next character - pos++; - } - // If there is param help text, add it top the doc comments - if (paramHelpString) { - pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); - } - paramHelpStringMargin = undefined; - } - // If this is the start of another tag, continue with the loop in seach of param tag with symbol name - if (sourceFile.text.charCodeAt(pos) === 64 /* at */) { - continue; - } - } - // Next character - pos++; - } - return paramDocComments; - function consumeWhiteSpaces(pos) { - while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { - pos++; - } - return pos; - } - function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { - // Get the pos after consuming line breaks - pos = consumeLineBreaks(pos, end, sourceFile); - if (pos >= end) { - return; - } - if (paramHelpStringMargin === undefined) { - paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; - } - // Now consume white spaces max - var startOfLinePos = pos; - pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); - if (pos >= end) { - return; - } - var consumedSpaces = pos - startOfLinePos; - if (consumedSpaces < paramHelpStringMargin) { - var ch = sourceFile.text.charCodeAt(pos); - if (ch === 42 /* asterisk */) { - // Consume more spaces after asterisk - pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); - } - } - } - } - } - } - var TypeObject = (function () { - function TypeObject(checker, flags) { - this.checker = checker; - this.flags = flags; - } - TypeObject.prototype.getFlags = function () { - return this.flags; - }; - TypeObject.prototype.getSymbol = function () { - return this.symbol; - }; - TypeObject.prototype.getProperties = function () { - return this.checker.getPropertiesOfType(this); - }; - TypeObject.prototype.getProperty = function (propertyName) { - return this.checker.getPropertyOfType(this, propertyName); - }; - TypeObject.prototype.getApparentProperties = function () { - return this.checker.getAugmentedPropertiesOfType(this); - }; - TypeObject.prototype.getCallSignatures = function () { - return this.checker.getSignaturesOfType(this, 0 /* Call */); - }; - TypeObject.prototype.getConstructSignatures = function () { - return this.checker.getSignaturesOfType(this, 1 /* Construct */); - }; - TypeObject.prototype.getStringIndexType = function () { - return this.checker.getIndexTypeOfType(this, 0 /* String */); - }; - TypeObject.prototype.getNumberIndexType = function () { - return this.checker.getIndexTypeOfType(this, 1 /* Number */); - }; - TypeObject.prototype.getBaseTypes = function () { - return this.flags & (1024 /* Class */ | 2048 /* Interface */) - ? this.checker.getBaseTypes(this) - : undefined; - }; - return TypeObject; - }()); - var SignatureObject = (function () { - function SignatureObject(checker) { - this.checker = checker; - } - SignatureObject.prototype.getDeclaration = function () { - return this.declaration; - }; - SignatureObject.prototype.getTypeParameters = function () { - return this.typeParameters; - }; - SignatureObject.prototype.getParameters = function () { - return this.parameters; - }; - SignatureObject.prototype.getReturnType = function () { - return this.checker.getReturnTypeOfSignature(this); - }; - SignatureObject.prototype.getDocumentationComment = function () { - if (this.documentationComment === undefined) { - this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], - /*name*/ undefined, - /*canUseParsedParamTagComments*/ false) : []; - } - return this.documentationComment; - }; - return SignatureObject; - }()); - var SourceFileObject = (function (_super) { - __extends(SourceFileObject, _super); - function SourceFileObject(kind, pos, end) { - _super.call(this, kind, pos, end); - } - SourceFileObject.prototype.update = function (newText, textChangeRange) { - return ts.updateSourceFile(this, newText, textChangeRange); - }; - SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { - return ts.getLineAndCharacterOfPosition(this, position); - }; - SourceFileObject.prototype.getLineStarts = function () { - return ts.getLineStarts(this); - }; - SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { - return ts.getPositionOfLineAndCharacter(this, line, character); - }; - SourceFileObject.prototype.getNamedDeclarations = function () { - if (!this.namedDeclarations) { - this.namedDeclarations = this.computeNamedDeclarations(); - } - return this.namedDeclarations; - }; - SourceFileObject.prototype.computeNamedDeclarations = function () { - var result = {}; - ts.forEachChild(this, visit); - return result; - function addDeclaration(declaration) { - var name = getDeclarationName(declaration); - if (name) { - var declarations = getDeclarations(name); - declarations.push(declaration); - } - } - function getDeclarations(name) { - return ts.getProperty(result, name) || (result[name] = []); - } - function getDeclarationName(declaration) { - if (declaration.name) { - var result_3 = getTextOfIdentifierOrLiteral(declaration.name); - if (result_3 !== undefined) { - return result_3; - } - if (declaration.name.kind === 137 /* ComputedPropertyName */) { - var expr = declaration.name.expression; - if (expr.kind === 169 /* PropertyAccessExpression */) { - return expr.name.text; - } - return getTextOfIdentifierOrLiteral(expr); - } - } - return undefined; - } - function getTextOfIdentifierOrLiteral(node) { - if (node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 9 /* StringLiteral */ || - node.kind === 8 /* NumericLiteral */) { - return node.text; - } - } - return undefined; - } - function visit(node) { - switch (node.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - var functionDeclaration = node; - var declarationName = getDeclarationName(functionDeclaration); - if (declarationName) { - var declarations = getDeclarations(declarationName); - var lastDeclaration = ts.lastOrUndefined(declarations); - // Check whether this declaration belongs to an "overload group". - if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { - // Overwrite the last declaration if it was an overload - // and this one is an implementation. - if (functionDeclaration.body && !lastDeclaration.body) { - declarations[declarations.length - 1] = functionDeclaration; - } - } - else { - declarations.push(functionDeclaration); - } - ts.forEachChild(node, visit); - } - break; - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 220 /* EnumDeclaration */: - case 221 /* ModuleDeclaration */: - case 224 /* ImportEqualsDeclaration */: - case 233 /* ExportSpecifier */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 226 /* ImportClause */: - case 227 /* NamespaceImport */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 156 /* TypeLiteral */: - addDeclaration(node); - // fall through - case 145 /* Constructor */: - case 196 /* VariableStatement */: - case 215 /* VariableDeclarationList */: - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - case 222 /* ModuleBlock */: - ts.forEachChild(node, visit); - break; - case 195 /* Block */: - if (ts.isFunctionBlock(node)) { - ts.forEachChild(node, visit); - } - break; - case 139 /* Parameter */: - // Only consider properties defined as constructor parameters - if (!(node.flags & 56 /* AccessibilityModifier */)) { - break; - } - // fall through - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - if (ts.isBindingPattern(node.name)) { - ts.forEachChild(node.name, visit); - break; - } - case 250 /* EnumMember */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - addDeclaration(node); - break; - case 231 /* ExportDeclaration */: - // Handle named exports case e.g.: - // export {a, b as B} from "mod"; - if (node.exportClause) { - ts.forEach(node.exportClause.elements, visit); - } - break; - case 225 /* ImportDeclaration */: - var importClause = node.importClause; - if (importClause) { - // Handle default import case e.g.: - // import d from "mod"; - if (importClause.name) { - addDeclaration(importClause); - } - // Handle named bindings in imports e.g.: - // import * as NS from "mod"; - // import {a, b as B} from "mod"; - if (importClause.namedBindings) { - if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { - addDeclaration(importClause.namedBindings); - } - else { - ts.forEach(importClause.namedBindings.elements, visit); - } - } - } - break; - } - } - }; - return SourceFileObject; - }(NodeObject)); - var TextChange = (function () { - function TextChange() { - } - return TextChange; - }()); - ts.TextChange = TextChange; - var HighlightSpanKind; - (function (HighlightSpanKind) { - HighlightSpanKind.none = "none"; - HighlightSpanKind.definition = "definition"; - HighlightSpanKind.reference = "reference"; - HighlightSpanKind.writtenReference = "writtenReference"; - })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); - (function (IndentStyle) { - IndentStyle[IndentStyle["None"] = 0] = "None"; - IndentStyle[IndentStyle["Block"] = 1] = "Block"; - IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; - })(ts.IndentStyle || (ts.IndentStyle = {})); - var IndentStyle = ts.IndentStyle; - (function (SymbolDisplayPartKind) { - SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; - SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; - SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; - SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; - SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; - SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; - SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; - SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; - SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; - })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); - var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; - (function (OutputFileType) { - OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; - OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; - OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; - })(ts.OutputFileType || (ts.OutputFileType = {})); - var OutputFileType = ts.OutputFileType; - (function (EndOfLineState) { - EndOfLineState[EndOfLineState["None"] = 0] = "None"; - EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; - EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; - EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; - EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; - EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; - })(ts.EndOfLineState || (ts.EndOfLineState = {})); - var EndOfLineState = ts.EndOfLineState; - (function (TokenClass) { - TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; - TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; - TokenClass[TokenClass["Operator"] = 2] = "Operator"; - TokenClass[TokenClass["Comment"] = 3] = "Comment"; - TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; - TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; - TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; - TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; - TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; - })(ts.TokenClass || (ts.TokenClass = {})); - var TokenClass = ts.TokenClass; - // TODO: move these to enums - var ScriptElementKind; - (function (ScriptElementKind) { - ScriptElementKind.unknown = ""; - ScriptElementKind.warning = "warning"; - // predefined type (void) or keyword (class) - ScriptElementKind.keyword = "keyword"; - // top level script node - ScriptElementKind.scriptElement = "script"; - // module foo {} - ScriptElementKind.moduleElement = "module"; - // class X {} - ScriptElementKind.classElement = "class"; - // var x = class X {} - ScriptElementKind.localClassElement = "local class"; - // interface Y {} - ScriptElementKind.interfaceElement = "interface"; - // type T = ... - ScriptElementKind.typeElement = "type"; - // enum E - ScriptElementKind.enumElement = "enum"; - // Inside module and script only - // const v = .. - ScriptElementKind.variableElement = "var"; - // Inside function - ScriptElementKind.localVariableElement = "local var"; - // Inside module and script only - // function f() { } - ScriptElementKind.functionElement = "function"; - // Inside function - ScriptElementKind.localFunctionElement = "local function"; - // class X { [public|private]* foo() {} } - ScriptElementKind.memberFunctionElement = "method"; - // class X { [public|private]* [get|set] foo:number; } - ScriptElementKind.memberGetAccessorElement = "getter"; - ScriptElementKind.memberSetAccessorElement = "setter"; - // class X { [public|private]* foo:number; } - // interface Y { foo:number; } - ScriptElementKind.memberVariableElement = "property"; - // class X { constructor() { } } - ScriptElementKind.constructorImplementationElement = "constructor"; - // interface Y { ():number; } - ScriptElementKind.callSignatureElement = "call"; - // interface Y { []:number; } - ScriptElementKind.indexSignatureElement = "index"; - // interface Y { new():Y; } - ScriptElementKind.constructSignatureElement = "construct"; - // function foo(*Y*: string) - ScriptElementKind.parameterElement = "parameter"; - ScriptElementKind.typeParameterElement = "type parameter"; - ScriptElementKind.primitiveType = "primitive type"; - ScriptElementKind.label = "label"; - ScriptElementKind.alias = "alias"; - ScriptElementKind.constElement = "const"; - ScriptElementKind.letElement = "let"; - })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); - var ScriptElementKindModifier; - (function (ScriptElementKindModifier) { - ScriptElementKindModifier.none = ""; - ScriptElementKindModifier.publicMemberModifier = "public"; - ScriptElementKindModifier.privateMemberModifier = "private"; - ScriptElementKindModifier.protectedMemberModifier = "protected"; - ScriptElementKindModifier.exportedModifier = "export"; - ScriptElementKindModifier.ambientModifier = "declare"; - ScriptElementKindModifier.staticModifier = "static"; - ScriptElementKindModifier.abstractModifier = "abstract"; - })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); - var ClassificationTypeNames = (function () { - function ClassificationTypeNames() { - } - ClassificationTypeNames.comment = "comment"; - ClassificationTypeNames.identifier = "identifier"; - ClassificationTypeNames.keyword = "keyword"; - ClassificationTypeNames.numericLiteral = "number"; - ClassificationTypeNames.operator = "operator"; - ClassificationTypeNames.stringLiteral = "string"; - ClassificationTypeNames.whiteSpace = "whitespace"; - ClassificationTypeNames.text = "text"; - ClassificationTypeNames.punctuation = "punctuation"; - ClassificationTypeNames.className = "class name"; - ClassificationTypeNames.enumName = "enum name"; - ClassificationTypeNames.interfaceName = "interface name"; - ClassificationTypeNames.moduleName = "module name"; - ClassificationTypeNames.typeParameterName = "type parameter name"; - ClassificationTypeNames.typeAliasName = "type alias name"; - ClassificationTypeNames.parameterName = "parameter name"; - ClassificationTypeNames.docCommentTagName = "doc comment tag name"; - ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; - ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; - ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; - ClassificationTypeNames.jsxAttribute = "jsx attribute"; - ClassificationTypeNames.jsxText = "jsx text"; - ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; - return ClassificationTypeNames; - }()); - ts.ClassificationTypeNames = ClassificationTypeNames; - (function (ClassificationType) { - ClassificationType[ClassificationType["comment"] = 1] = "comment"; - ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; - ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; - ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; - ClassificationType[ClassificationType["operator"] = 5] = "operator"; - ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; - ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; - ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; - ClassificationType[ClassificationType["text"] = 9] = "text"; - ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; - ClassificationType[ClassificationType["className"] = 11] = "className"; - ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; - ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; - ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; - ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; - ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; - ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; - ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; - ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; - ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; - ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; - ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; - ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; - ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; - })(ts.ClassificationType || (ts.ClassificationType = {})); - var ClassificationType = ts.ClassificationType; - function displayPartsToString(displayParts) { - if (displayParts) { - return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); - } - return ""; - } - ts.displayPartsToString = displayPartsToString; - function isLocalVariableOrFunction(symbol) { - if (symbol.parent) { - return false; // This is exported symbol - } - return ts.forEach(symbol.declarations, function (declaration) { - // Function expressions are local - if (declaration.kind === 176 /* FunctionExpression */) { - return true; - } - if (declaration.kind !== 214 /* VariableDeclaration */ && declaration.kind !== 216 /* FunctionDeclaration */) { - return false; - } - // If the parent is not sourceFile or module block it is local variable - for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { - // Reached source file or module block - if (parent_10.kind === 251 /* SourceFile */ || parent_10.kind === 222 /* ModuleBlock */) { - return false; - } - } - // parent is in function block - return true; - }); - } - function getDefaultCompilerOptions() { - // Always default to "ScriptTarget.ES5" for the language service - return { - target: 1 /* ES5 */, - jsx: 1 /* Preserve */ - }; - } - ts.getDefaultCompilerOptions = getDefaultCompilerOptions; - // Cache host information about scrip Should be refreshed - // at each language service public entry point, since we don't know when - // set of scripts handled by the host changes. - var HostCache = (function () { - function HostCache(host, getCanonicalFileName) { - this.host = host; - this.getCanonicalFileName = getCanonicalFileName; - // script id => script index - this.currentDirectory = host.getCurrentDirectory(); - this.fileNameToEntry = ts.createFileMap(); - // Initialize the list with the root file names - var rootFileNames = host.getScriptFileNames(); - for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { - var fileName = rootFileNames_1[_i]; - this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); - } - // store the compilation settings - this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); - } - HostCache.prototype.compilationSettings = function () { - return this._compilationSettings; - }; - HostCache.prototype.createEntry = function (fileName, path) { - var entry; - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (scriptSnapshot) { - entry = { - hostFileName: fileName, - version: this.host.getScriptVersion(fileName), - scriptSnapshot: scriptSnapshot - }; - } - this.fileNameToEntry.set(path, entry); - return entry; - }; - HostCache.prototype.getEntry = function (path) { - return this.fileNameToEntry.get(path); - }; - HostCache.prototype.contains = function (path) { - return this.fileNameToEntry.contains(path); - }; - HostCache.prototype.getOrCreateEntry = function (fileName) { - var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); - if (this.contains(path)) { - return this.getEntry(path); - } - return this.createEntry(fileName, path); - }; - HostCache.prototype.getRootFileNames = function () { - var fileNames = []; - this.fileNameToEntry.forEachValue(function (path, value) { - if (value) { - fileNames.push(value.hostFileName); - } - }); - return fileNames; - }; - HostCache.prototype.getVersion = function (path) { - var file = this.getEntry(path); - return file && file.version; - }; - HostCache.prototype.getScriptSnapshot = function (path) { - var file = this.getEntry(path); - return file && file.scriptSnapshot; - }; - return HostCache; - }()); - var SyntaxTreeCache = (function () { - function SyntaxTreeCache(host) { - this.host = host; - } - SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { - var scriptSnapshot = this.host.getScriptSnapshot(fileName); - if (!scriptSnapshot) { - // The host does not know about this file. - throw new Error("Could not find file: '" + fileName + "'."); - } - var version = this.host.getScriptVersion(fileName); - var sourceFile; - if (this.currentFileName !== fileName) { - // This is a new file, just parse it - sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2 /* Latest */, version, /*setNodeParents*/ true); - } - else if (this.currentFileVersion !== version) { - // This is the same file, just a newer version. Incrementally parse the file. - var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); - sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); - } - if (sourceFile) { - // All done, ensure state is up to date - this.currentFileVersion = version; - this.currentFileName = fileName; - this.currentFileScriptSnapshot = scriptSnapshot; - this.currentSourceFile = sourceFile; - } - return this.currentSourceFile; - }; - return SyntaxTreeCache; - }()); - function setSourceFileFields(sourceFile, scriptSnapshot, version) { - sourceFile.version = version; - sourceFile.scriptSnapshot = scriptSnapshot; - } - /* - * This function will compile source text from 'input' argument using specified compiler options. - * If not options are provided - it will use a set of default compiler options. - * Extra compiler options that will unconditionally be used by this function are: - * - isolatedModules = true - * - allowNonTsExtensions = true - * - noLib = true - * - noResolve = true - */ - function transpileModule(input, transpileOptions) { - var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); - options.isolatedModules = true; - // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths. - options.suppressOutputPathCheck = true; - // Filename can be non-ts file. - options.allowNonTsExtensions = true; - // We are not returning a sourceFile for lib file when asked by the program, - // so pass --noLib to avoid reporting a file not found error. - options.noLib = true; - // We are not doing a full typecheck, we are not resolving the whole context, - // so pass --noResolve to avoid reporting missing file errors. - options.noResolve = true; - // if jsx is specified then treat file as .tsx - var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); - var sourceFile = ts.createSourceFile(inputFileName, input, options.target); - if (transpileOptions.moduleName) { - sourceFile.moduleName = transpileOptions.moduleName; - } - sourceFile.renamedDependencies = transpileOptions.renamedDependencies; - var newLine = ts.getNewLineCharacter(options); - // Output - var outputText; - var sourceMapText; - // Create a compilerHost object to allow the compiler to read and write files - var compilerHost = { - getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, - writeFile: function (name, text, writeByteOrderMark) { - if (ts.fileExtensionIs(name, ".map")) { - ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); - sourceMapText = text; - } - else { - ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); - outputText = text; - } - }, - getDefaultLibFileName: function () { return "lib.d.ts"; }, - useCaseSensitiveFileNames: function () { return false; }, - getCanonicalFileName: function (fileName) { return fileName; }, - getCurrentDirectory: function () { return ""; }, - getNewLine: function () { return newLine; }, - fileExists: function (fileName) { return fileName === inputFileName; }, - readFile: function (fileName) { return ""; }, - directoryExists: function (directoryExists) { return true; } - }; - var program = ts.createProgram([inputFileName], options, compilerHost); - var diagnostics; - if (transpileOptions.reportDiagnostics) { - diagnostics = []; - ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile)); - ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics()); - } - // Emit - program.emit(); - ts.Debug.assert(outputText !== undefined, "Output generation failed"); - return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; - } - ts.transpileModule = transpileModule; - /* - * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result. - */ - function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { - var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); - // addRange correctly handles cases when wither 'from' or 'to' argument is missing - ts.addRange(diagnostics, output.diagnostics); - return output.outputText; - } - ts.transpile = transpile; - function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { - var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); - var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); - setSourceFileFields(sourceFile, scriptSnapshot, version); - return sourceFile; - } - ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; - ts.disableIncrementalParsing = false; - function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { - // If we were given a text change range, and our version or open-ness changed, then - // incrementally parse this file. - if (textChangeRange) { - if (version !== sourceFile.version) { - // Once incremental parsing is ready, then just call into this function. - if (!ts.disableIncrementalParsing) { - var newText = void 0; - // grab the fragment from the beginning of the original text to the beginning of the span - var prefix = textChangeRange.span.start !== 0 - ? sourceFile.text.substr(0, textChangeRange.span.start) - : ""; - // grab the fragment from the end of the span till the end of the original text - var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length - ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) - : ""; - if (textChangeRange.newLength === 0) { - // edit was a deletion - just combine prefix and suffix - newText = prefix && suffix ? prefix + suffix : prefix || suffix; - } - else { - // it was actual edit, fetch the fragment of new text that correspond to new span - var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); - // combine prefix, changed text and suffix - newText = prefix && suffix - ? prefix + changedText + suffix - : prefix - ? (prefix + changedText) - : (changedText + suffix); - } - var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); - setSourceFileFields(newSourceFile, scriptSnapshot, version); - // after incremental parsing nameTable might not be up-to-date - // drop it so it can be lazily recreated later - newSourceFile.nameTable = undefined; - // dispose all resources held by old script snapshot - if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { - if (sourceFile.scriptSnapshot.dispose) { - sourceFile.scriptSnapshot.dispose(); - } - sourceFile.scriptSnapshot = undefined; - } - return newSourceFile; - } - } - } - // Otherwise, just create a new source file. - return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true); - } - ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; - function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { - if (currentDirectory === void 0) { currentDirectory = ""; } - // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have - // for those settings. - var buckets = {}; - var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); - function getKeyFromCompilationSettings(settings) { - return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; - } - function getBucketForCompilationSettings(settings, createIfMissing) { - var key = getKeyFromCompilationSettings(settings); - var bucket = ts.lookUp(buckets, key); - if (!bucket && createIfMissing) { - buckets[key] = bucket = ts.createFileMap(); - } - return bucket; - } - function reportStats() { - var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { - var entries = ts.lookUp(buckets, name); - var sourceFiles = []; - entries.forEachValue(function (key, entry) { - sourceFiles.push({ - name: key, - refCount: entry.languageServiceRefCount, - references: entry.owners.slice(0) - }); - }); - sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); - return { - bucket: name, - sourceFiles: sourceFiles - }; - }); - return JSON.stringify(bucketInfoArray, undefined, 2); - } - function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ true); - } - function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { - return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ false); - } - function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { - var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ true); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - if (!entry) { - ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); - // Have never seen this file with these settings. Create a new source file for it. - var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, /*setNodeParents*/ false); - entry = { - sourceFile: sourceFile, - languageServiceRefCount: 0, - owners: [] - }; - bucket.set(path, entry); - } - else { - // We have an entry for this file. However, it may be for a different version of - // the script snapshot. If so, update it appropriately. Otherwise, we can just - // return it as is. - if (entry.sourceFile.version !== version) { - entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); - } - } - // If we're acquiring, then this is the first time this LS is asking for this document. - // Increase our ref count so we know there's another LS using the document. If we're - // not acquiring, then that means the LS is 'updating' the file instead, and that means - // it has already acquired the document previously. As such, we do not need to increase - // the ref count. - if (acquiring) { - entry.languageServiceRefCount++; - } - return entry.sourceFile; - } - function releaseDocument(fileName, compilationSettings) { - var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ false); - ts.Debug.assert(bucket !== undefined); - var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); - var entry = bucket.get(path); - entry.languageServiceRefCount--; - ts.Debug.assert(entry.languageServiceRefCount >= 0); - if (entry.languageServiceRefCount === 0) { - bucket.remove(path); - } - } - return { - acquireDocument: acquireDocument, - updateDocument: updateDocument, - releaseDocument: releaseDocument, - reportStats: reportStats - }; - } - ts.createDocumentRegistry = createDocumentRegistry; - function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { - if (readImportFiles === void 0) { readImportFiles = true; } - if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } - var referencedFiles = []; - var importedFiles = []; - var ambientExternalModules; - var isNoDefaultLib = false; - function processTripleSlashDirectives() { - var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); - ts.forEach(commentRanges, function (commentRange) { - var comment = sourceText.substring(commentRange.pos, commentRange.end); - var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); - if (referencePathMatchResult) { - isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; - var fileReference = referencePathMatchResult.fileReference; - if (fileReference) { - referencedFiles.push(fileReference); - } - } - }); - } - function recordAmbientExternalModule() { - if (!ambientExternalModules) { - ambientExternalModules = []; - } - ambientExternalModules.push(scanner.getTokenValue()); - } - function recordModuleName() { - var importPath = scanner.getTokenValue(); - var pos = scanner.getTokenPos(); - importedFiles.push({ - fileName: importPath, - pos: pos, - end: pos + importPath.length - }); - } - /** - * Returns true if at least one token was consumed from the stream - */ - function tryConsumeDeclare() { - var token = scanner.getToken(); - if (token === 122 /* DeclareKeyword */) { - // declare module "mod" - token = scanner.scan(); - if (token === 125 /* ModuleKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - recordAmbientExternalModule(); - } - } - return true; - } - return false; - } - /** - * Returns true if at least one token was consumed from the stream - */ - function tryConsumeImport() { - var token = scanner.getToken(); - if (token === 89 /* ImportKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import "mod"; - recordModuleName(); - return true; - } - else { - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import d from "mod"; - recordModuleName(); - return true; - } - } - else if (token === 56 /* EqualsToken */) { - if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { - return true; - } - } - else if (token === 24 /* CommaToken */) { - // consume comma and keep going - token = scanner.scan(); - } - else { - // unknown syntax - return true; - } - } - if (token === 15 /* OpenBraceToken */) { - token = scanner.scan(); - // consume "{ a as B, c, d as D}" clauses - // make sure that it stops on EOF - while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { - token = scanner.scan(); - } - if (token === 16 /* CloseBraceToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import {a as A} from "mod"; - // import d, {a, b as B} from "mod" - recordModuleName(); - } - } - } - } - else if (token === 37 /* AsteriskToken */) { - token = scanner.scan(); - if (token === 116 /* AsKeyword */) { - token = scanner.scan(); - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // import * as NS from "mod" - // import d, * as NS from "mod" - recordModuleName(); - } - } - } - } - } - } - return true; - } - return false; - } - function tryConsumeExport() { - var token = scanner.getToken(); - if (token === 82 /* ExportKeyword */) { - token = scanner.scan(); - if (token === 15 /* OpenBraceToken */) { - token = scanner.scan(); - // consume "{ a as B, c, d as D}" clauses - // make sure it stops on EOF - while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { - token = scanner.scan(); - } - if (token === 16 /* CloseBraceToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // export {a as A} from "mod"; - // export {a, b as B} from "mod" - recordModuleName(); - } - } - } - } - else if (token === 37 /* AsteriskToken */) { - token = scanner.scan(); - if (token === 133 /* FromKeyword */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // export * from "mod" - recordModuleName(); - } - } - } - else if (token === 89 /* ImportKeyword */) { - token = scanner.scan(); - if (token === 69 /* Identifier */ || ts.isKeyword(token)) { - token = scanner.scan(); - if (token === 56 /* EqualsToken */) { - if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { - return true; - } - } - } - } - return true; - } - return false; - } - function tryConsumeRequireCall(skipCurrentToken) { - var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); - if (token === 127 /* RequireKeyword */) { - token = scanner.scan(); - if (token === 17 /* OpenParenToken */) { - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // require("mod"); - recordModuleName(); - } - } - return true; - } - return false; - } - function tryConsumeDefine() { - var token = scanner.getToken(); - if (token === 69 /* Identifier */ && scanner.getTokenValue() === "define") { - token = scanner.scan(); - if (token !== 17 /* OpenParenToken */) { - return true; - } - token = scanner.scan(); - if (token === 9 /* StringLiteral */) { - // looks like define ("modname", ... - skip string literal and comma - token = scanner.scan(); - if (token === 24 /* CommaToken */) { - token = scanner.scan(); - } - else { - // unexpected token - return true; - } - } - // should be start of dependency list - if (token !== 19 /* OpenBracketToken */) { - return true; - } - // skip open bracket - token = scanner.scan(); - var i = 0; - // scan until ']' or EOF - while (token !== 20 /* CloseBracketToken */ && token !== 1 /* EndOfFileToken */) { - // record string literals as module names - if (token === 9 /* StringLiteral */) { - recordModuleName(); - i++; - } - token = scanner.scan(); - } - return true; - } - return false; - } - function processImports() { - scanner.setText(sourceText); - scanner.scan(); - // Look for: - // import "mod"; - // import d from "mod" - // import {a as A } from "mod"; - // import * as NS from "mod" - // import d, {a, b as B} from "mod" - // import i = require("mod"); - // - // export * from "mod" - // export {a as b} from "mod" - // export import i = require("mod") - // (for JavaScript files) require("mod") - while (true) { - if (scanner.getToken() === 1 /* EndOfFileToken */) { - break; - } - // check if at least one of alternative have moved scanner forward - if (tryConsumeDeclare() || - tryConsumeImport() || - tryConsumeExport() || - (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false) || tryConsumeDefine()))) { - continue; - } - else { - scanner.scan(); - } - } - scanner.setText(undefined); - } - if (readImportFiles) { - processImports(); - } - processTripleSlashDirectives(); - return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; - } - ts.preProcessFile = preProcessFile; - /// Helpers - function getTargetLabel(referenceNode, labelName) { - while (referenceNode) { - if (referenceNode.kind === 210 /* LabeledStatement */ && referenceNode.label.text === labelName) { - return referenceNode.label; - } - referenceNode = referenceNode.parent; - } - return undefined; - } - function isJumpStatementTarget(node) { - return node.kind === 69 /* Identifier */ && - (node.parent.kind === 206 /* BreakStatement */ || node.parent.kind === 205 /* ContinueStatement */) && - node.parent.label === node; - } - function isLabelOfLabeledStatement(node) { - return node.kind === 69 /* Identifier */ && - node.parent.kind === 210 /* LabeledStatement */ && - node.parent.label === node; - } - /** - * Whether or not a 'node' is preceded by a label of the given string. - * Note: 'node' cannot be a SourceFile. - */ - function isLabeledBy(node, labelName) { - for (var owner = node.parent; owner.kind === 210 /* LabeledStatement */; owner = owner.parent) { - if (owner.label.text === labelName) { - return true; - } - } - return false; - } - function isLabelName(node) { - return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); - } - function isRightSideOfQualifiedName(node) { - return node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node; - } - function isRightSideOfPropertyAccess(node) { - return node && node.parent && node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node; - } - function isCallExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; - } - function isNewExpressionTarget(node) { - if (isRightSideOfPropertyAccess(node)) { - node = node.parent; - } - return node && node.parent && node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node; - } - function isNameOfModuleDeclaration(node) { - return node.parent.kind === 221 /* ModuleDeclaration */ && node.parent.name === node; - } - function isNameOfFunctionDeclaration(node) { - return node.kind === 69 /* Identifier */ && - ts.isFunctionLike(node.parent) && node.parent.name === node; - } - /** Returns true if node is a name of an object literal property, e.g. "a" in x = { "a": 1 } */ - function isNameOfPropertyAssignment(node) { - return (node.kind === 69 /* Identifier */ || node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) && - (node.parent.kind === 248 /* PropertyAssignment */ || node.parent.kind === 249 /* ShorthandPropertyAssignment */) && node.parent.name === node; - } - function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { - if (node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) { - switch (node.parent.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 250 /* EnumMember */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 221 /* ModuleDeclaration */: - return node.parent.name === node; - case 170 /* ElementAccessExpression */: - return node.parent.argumentExpression === node; - } - } - return false; - } - function isNameOfExternalModuleImportOrDeclaration(node) { - if (node.kind === 9 /* StringLiteral */) { - return isNameOfModuleDeclaration(node) || - (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); - } - return false; - } - /** Returns true if the position is within a comment */ - function isInsideComment(sourceFile, token, position) { - // The position has to be: 1. in the leading trivia (before token.getStart()), and 2. within a comment - return position <= token.getStart(sourceFile) && - (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || - isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); - function isInsideCommentRange(comments) { - return ts.forEach(comments, function (comment) { - // either we are 1. completely inside the comment, or 2. at the end of the comment - if (comment.pos < position && position < comment.end) { - return true; - } - else if (position === comment.end) { - var text = sourceFile.text; - var width = comment.end - comment.pos; - // is single line comment or just /* - if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47 /* slash */) { - return true; - } - else { - // is unterminated multi-line comment - return !(text.charCodeAt(comment.end - 1) === 47 /* slash */ && - text.charCodeAt(comment.end - 2) === 42 /* asterisk */); - } - } - return false; - }); - } - } - var SemanticMeaning; - (function (SemanticMeaning) { - SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; - SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; - SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; - SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; - SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; - })(SemanticMeaning || (SemanticMeaning = {})); - var BreakContinueSearchType; - (function (BreakContinueSearchType) { - BreakContinueSearchType[BreakContinueSearchType["None"] = 0] = "None"; - BreakContinueSearchType[BreakContinueSearchType["Unlabeled"] = 1] = "Unlabeled"; - BreakContinueSearchType[BreakContinueSearchType["Labeled"] = 2] = "Labeled"; - BreakContinueSearchType[BreakContinueSearchType["All"] = 3] = "All"; - })(BreakContinueSearchType || (BreakContinueSearchType = {})); - // A cache of completion entries for keywords, these do not change between sessions - var keywordCompletions = []; - for (var i = 70 /* FirstKeyword */; i <= 135 /* LastKeyword */; i++) { - keywordCompletions.push({ - name: ts.tokenToString(i), - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - sortText: "0" - }); - } - /* @internal */ function getContainerNode(node) { - while (true) { - node = node.parent; - if (!node) { - return undefined; - } - switch (node.kind) { - case 251 /* SourceFile */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 220 /* EnumDeclaration */: - case 221 /* ModuleDeclaration */: - return node; - } - } - } - ts.getContainerNode = getContainerNode; - /* @internal */ function getNodeKind(node) { - switch (node.kind) { - case 221 /* ModuleDeclaration */: return ScriptElementKind.moduleElement; - case 217 /* ClassDeclaration */: return ScriptElementKind.classElement; - case 218 /* InterfaceDeclaration */: return ScriptElementKind.interfaceElement; - case 219 /* TypeAliasDeclaration */: return ScriptElementKind.typeElement; - case 220 /* EnumDeclaration */: return ScriptElementKind.enumElement; - case 214 /* VariableDeclaration */: - return ts.isConst(node) - ? ScriptElementKind.constElement - : ts.isLet(node) - ? ScriptElementKind.letElement - : ScriptElementKind.variableElement; - case 216 /* FunctionDeclaration */: return ScriptElementKind.functionElement; - case 146 /* GetAccessor */: return ScriptElementKind.memberGetAccessorElement; - case 147 /* SetAccessor */: return ScriptElementKind.memberSetAccessorElement; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - return ScriptElementKind.memberFunctionElement; - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return ScriptElementKind.memberVariableElement; - case 150 /* IndexSignature */: return ScriptElementKind.indexSignatureElement; - case 149 /* ConstructSignature */: return ScriptElementKind.constructSignatureElement; - case 148 /* CallSignature */: return ScriptElementKind.callSignatureElement; - case 145 /* Constructor */: return ScriptElementKind.constructorImplementationElement; - case 138 /* TypeParameter */: return ScriptElementKind.typeParameterElement; - case 250 /* EnumMember */: return ScriptElementKind.variableElement; - case 139 /* Parameter */: return (node.flags & 56 /* AccessibilityModifier */) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; - case 224 /* ImportEqualsDeclaration */: - case 229 /* ImportSpecifier */: - case 226 /* ImportClause */: - case 233 /* ExportSpecifier */: - case 227 /* NamespaceImport */: - return ScriptElementKind.alias; - } - return ScriptElementKind.unknown; - } - ts.getNodeKind = getNodeKind; - var CancellationTokenObject = (function () { - function CancellationTokenObject(cancellationToken) { - this.cancellationToken = cancellationToken; - } - CancellationTokenObject.prototype.isCancellationRequested = function () { - return this.cancellationToken && this.cancellationToken.isCancellationRequested(); - }; - CancellationTokenObject.prototype.throwIfCancellationRequested = function () { - if (this.isCancellationRequested()) { - throw new ts.OperationCanceledException(); - } - }; - return CancellationTokenObject; - }()); - function createLanguageService(host, documentRegistry) { - if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } - var syntaxTreeCache = new SyntaxTreeCache(host); - var ruleProvider; - var program; - var lastProjectVersion; - var useCaseSensitivefileNames = false; - var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); - var currentDirectory = host.getCurrentDirectory(); - // Check if the localized messages json is set, otherwise query the host for it - if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { - ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); - } - function log(message) { - if (host.log) { - host.log(message); - } - } - var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); - function getValidSourceFile(fileName) { - var sourceFile = program.getSourceFile(fileName); - if (!sourceFile) { - throw new Error("Could not find file: '" + fileName + "'."); - } - return sourceFile; - } - function getRuleProvider(options) { - // Ensure rules are initialized and up to date wrt to formatting options - if (!ruleProvider) { - ruleProvider = new ts.formatting.RulesProvider(); - } - ruleProvider.ensureUpToDate(options); - return ruleProvider; - } - function synchronizeHostData() { - // perform fast check if host supports it - if (host.getProjectVersion) { - var hostProjectVersion = host.getProjectVersion(); - if (hostProjectVersion) { - if (lastProjectVersion === hostProjectVersion) { - return; - } - lastProjectVersion = hostProjectVersion; - } - } - // Get a fresh cache of the host information - var hostCache = new HostCache(host, getCanonicalFileName); - // If the program is already up-to-date, we can reuse it - if (programUpToDate()) { - return; - } - // IMPORTANT - It is critical from this moment onward that we do not check - // cancellation tokens. We are about to mutate source files from a previous program - // instance. If we cancel midway through, we may end up in an inconsistent state where - // the program points to old source files that have been invalidated because of - // incremental parsing. - var oldSettings = program && program.getCompilerOptions(); - var newSettings = hostCache.compilationSettings(); - var changesInCompilationSettingsAffectSyntax = oldSettings && - (oldSettings.target !== newSettings.target || - oldSettings.module !== newSettings.module || - oldSettings.noResolve !== newSettings.noResolve || - oldSettings.jsx !== newSettings.jsx || - oldSettings.allowJs !== newSettings.allowJs); - // Now create a new compiler - var compilerHost = { - getSourceFile: getOrCreateSourceFile, - getCancellationToken: function () { return cancellationToken; }, - getCanonicalFileName: getCanonicalFileName, - useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, - getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, - getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, - writeFile: function (fileName, data, writeByteOrderMark) { }, - getCurrentDirectory: function () { return currentDirectory; }, - fileExists: function (fileName) { - // stub missing host functionality - ts.Debug.assert(!host.resolveModuleNames); - return hostCache.getOrCreateEntry(fileName) !== undefined; - }, - readFile: function (fileName) { - // stub missing host functionality - var entry = hostCache.getOrCreateEntry(fileName); - return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); - }, - directoryExists: function (directoryName) { - ts.Debug.assert(!host.resolveModuleNames); - return ts.directoryProbablyExists(directoryName, host); - } - }; - if (host.resolveModuleNames) { - compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; - } - var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); - // Release any files we have acquired in the old program but are - // not part of the new program. - if (program) { - var oldSourceFiles = program.getSourceFiles(); - for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { - var oldSourceFile = oldSourceFiles_1[_i]; - if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { - documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); - } - } - } - // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point. - // It needs to be cleared to allow all collected snapshots to be released - hostCache = undefined; - program = newProgram; - // Make sure all the nodes in the program are both bound, and have their parent - // pointers set property. - program.getTypeChecker(); - return; - function getOrCreateSourceFile(fileName) { - ts.Debug.assert(hostCache !== undefined); - // The program is asking for this file, check first if the host can locate it. - // If the host can not locate the file, then it does not exist. return undefined - // to the program to allow reporting of errors for missing files. - var hostFileInformation = hostCache.getOrCreateEntry(fileName); - if (!hostFileInformation) { - return undefined; - } - // Check if the language version has changed since we last created a program; if they are the same, - // it is safe to reuse the souceFiles; if not, then the shape of the AST can change, and the oldSourceFile - // can not be reused. we have to dump all syntax trees and create new ones. - if (!changesInCompilationSettingsAffectSyntax) { - // Check if the old program had this file already - var oldSourceFile = program && program.getSourceFile(fileName); - if (oldSourceFile) { - // We already had a source file for this file name. Go to the registry to - // ensure that we get the right up to date version of it. We need this to - // address the following 'race'. Specifically, say we have the following: - // - // LS1 - // \ - // DocumentRegistry - // / - // LS2 - // - // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates - // it's version of 'foo.ts' to version 2. This will cause LS2 and the - // DocumentRegistry to have version 2 of the document. HOwever, LS1 will - // have version 1. And *importantly* this source file will be *corrupt*. - // The act of creating version 2 of the file irrevocably damages the version - // 1 file. - // - // So, later when we call into LS1, we need to make sure that it doesn't use - // it's source file any more, and instead defers to DocumentRegistry to get - // either version 1, version 2 (or some other version) depending on what the - // host says should be used. - return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - } - // Could not find this file in the old program, create a new SourceFile for it. - return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); - } - function sourceFileUpToDate(sourceFile) { - if (!sourceFile) { - return false; - } - var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); - return sourceFile.version === hostCache.getVersion(path); - } - function programUpToDate() { - // If we haven't create a program yet, then it is not up-to-date - if (!program) { - return false; - } - // If number of files in the program do not match, it is not up-to-date - var rootFileNames = hostCache.getRootFileNames(); - if (program.getSourceFiles().length !== rootFileNames.length) { - return false; - } - // If any file is not up-to-date, then the whole program is not up-to-date - for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { - var fileName = rootFileNames_2[_i]; - if (!sourceFileUpToDate(program.getSourceFile(fileName))) { - return false; - } - } - // If the compilation settings do no match, then the program is not up-to-date - return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); - } - } - function getProgram() { - synchronizeHostData(); - return program; - } - function cleanupSemanticCache() { - // TODO: Should we jettison the program (or it's type checker) here? - } - function dispose() { - if (program) { - ts.forEach(program.getSourceFiles(), function (f) { - return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); - }); - } - } - /// Diagnostics - function getSyntacticDiagnostics(fileName) { - synchronizeHostData(); - return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); - } - /** - * getSemanticDiagnostiscs return array of Diagnostics. If '-d' is not enabled, only report semantic errors - * If '-d' enabled, report both semantic and emitter errors - */ - function getSemanticDiagnostics(fileName) { - synchronizeHostData(); - var targetSourceFile = getValidSourceFile(fileName); - // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file. - // Therefore only get diagnostics for given file. - var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); - if (!program.getCompilerOptions().declaration) { - return semanticDiagnostics; - } - // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface - var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); - return ts.concatenate(semanticDiagnostics, declarationDiagnostics); - } - function getCompilerOptionsDiagnostics() { - synchronizeHostData(); - return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); - } - /** - * Get the name to be display in completion from a given symbol. - * - * @return undefined if the name is of external module otherwise a name with striped of any quote - */ - function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { - var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); - if (displayName) { - var firstCharCode = displayName.charCodeAt(0); - // First check of the displayName is not external module; if it is an external module, it is not valid entry - if ((symbol.flags & 1536 /* Namespace */) && (firstCharCode === 39 /* singleQuote */ || firstCharCode === 34 /* doubleQuote */)) { - // If the symbol is external module, don't show it in the completion list - // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there) - return undefined; - } - } - return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); - } - /** - * Get a displayName from a given for completion list, performing any necessary quotes stripping - * and checking whether the name is valid identifier name. - */ - function getCompletionEntryDisplayName(name, target, performCharacterChecks) { - if (!name) { - return undefined; - } - name = ts.stripQuotes(name); - if (!name) { - return undefined; - } - // If the user entered name for the symbol was quoted, removing the quotes is not enough, as the name could be an - // invalid identifier name. We need to check if whatever was inside the quotes is actually a valid identifier name. - // e.g "b a" is valid quoted name but when we strip off the quotes, it is invalid. - // We, thus, need to check if whatever was inside the quotes is actually a valid identifier name. - if (performCharacterChecks) { - if (!ts.isIdentifier(name, target)) { - return undefined; - } - } - return name; - } - function getCompletionData(fileName, position) { - var typeChecker = program.getTypeChecker(); - var sourceFile = getValidSourceFile(fileName); - var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); - var isJsDocTagName = false; - var start = new Date().getTime(); - var currentToken = ts.getTokenAtPosition(sourceFile, position); - log("getCompletionData: Get current token: " + (new Date().getTime() - start)); - start = new Date().getTime(); - // Completion not allowed inside comments, bail out if this is the case - var insideComment = isInsideComment(sourceFile, currentToken, position); - log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); - if (insideComment) { - // The current position is next to the '@' sign, when no tag name being provided yet. - // Provide a full list of tag names - if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64 /* at */) { - isJsDocTagName = true; - } - // Completion should work inside certain JsDoc tags. For example: - // /** @type {number | string} */ - // Completion should work in the brackets - var insideJsDocTagExpression = false; - var tag = ts.getJsDocTagAtPosition(sourceFile, position); - if (tag) { - if (tag.tagName.pos <= position && position <= tag.tagName.end) { - isJsDocTagName = true; - } - switch (tag.kind) { - case 272 /* JSDocTypeTag */: - case 270 /* JSDocParameterTag */: - case 271 /* JSDocReturnTag */: - var tagWithExpression = tag; - if (tagWithExpression.typeExpression) { - insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; - } - break; - } - } - if (isJsDocTagName) { - return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; - } - if (!insideJsDocTagExpression) { - // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal - // comment or the plain text part of a jsDoc comment, so no completion should be available - log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); - return undefined; - } - } - start = new Date().getTime(); - var previousToken = ts.findPrecedingToken(position, sourceFile); - log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); - // The decision to provide completion depends on the contextToken, which is determined through the previousToken. - // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file - var contextToken = previousToken; - // Check if the caret is at the end of an identifier; this is a partial identifier that we want to complete: e.g. a.toS| - // Skip this partial identifier and adjust the contextToken to the token that precedes it. - if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { - var start_6 = new Date().getTime(); - contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); - log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); - } - // Find the node where completion is requested on. - // Also determine whether we are trying to complete with members of that node - // or attributes of a JSX tag. - var node = currentToken; - var isRightOfDot = false; - var isRightOfOpenTag = false; - var isStartingCloseTag = false; - var location = ts.getTouchingPropertyName(sourceFile, position); - if (contextToken) { - // Bail out if this is a known invalid completion location - if (isCompletionListBlocker(contextToken)) { - log("Returning an empty list because completion was requested in an invalid position."); - return undefined; - } - var parent_11 = contextToken.parent, kind = contextToken.kind; - if (kind === 21 /* DotToken */) { - if (parent_11.kind === 169 /* PropertyAccessExpression */) { - node = contextToken.parent.expression; - isRightOfDot = true; - } - else if (parent_11.kind === 136 /* QualifiedName */) { - node = contextToken.parent.left; - isRightOfDot = true; - } - else { - // There is nothing that precedes the dot, so this likely just a stray character - // or leading into a '...' token. Just bail out instead. - return undefined; - } - } - else if (sourceFile.languageVariant === 1 /* JSX */) { - if (kind === 25 /* LessThanToken */) { - isRightOfOpenTag = true; - location = contextToken; - } - else if (kind === 39 /* SlashToken */ && contextToken.parent.kind === 240 /* JsxClosingElement */) { - isStartingCloseTag = true; - location = contextToken; - } - } - } - var semanticStart = new Date().getTime(); - var isMemberCompletion; - var isNewIdentifierLocation; - var symbols = []; - if (isRightOfDot) { - getTypeScriptMemberSymbols(); - } - else if (isRightOfOpenTag) { - var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); - if (tryGetGlobalSymbols()) { - symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455 /* Value */); })); - } - else { - symbols = tagSymbols; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else if (isStartingCloseTag) { - var tagName = contextToken.parent.parent.openingElement.tagName; - var tagSymbol = typeChecker.getSymbolAtLocation(tagName); - if (!typeChecker.isUnknownSymbol(tagSymbol)) { - symbols = [tagSymbol]; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - } - else { - // For JavaScript or TypeScript, if we're not after a dot, then just try to get the - // global symbols in scope. These results should be valid for either language as - // the set of symbols that can be referenced from this location. - if (!tryGetGlobalSymbols()) { - return undefined; - } - } - log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); - return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; - function getTypeScriptMemberSymbols() { - // Right of dot member completion list - isMemberCompletion = true; - isNewIdentifierLocation = false; - if (node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */) { - var symbol = typeChecker.getSymbolAtLocation(node); - // This is an alias, follow what it aliases - if (symbol && symbol.flags & 8388608 /* Alias */) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - if (symbol && symbol.flags & 1952 /* HasExports */) { - // Extract module or enum members - var exportedSymbols = typeChecker.getExportsOfModule(symbol); - ts.forEach(exportedSymbols, function (symbol) { - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - }); - } - } - var type = typeChecker.getTypeAtLocation(node); - addTypeProperties(type); - } - function addTypeProperties(type) { - if (type) { - // Filter private properties - for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { - var symbol = _a[_i]; - if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { - symbols.push(symbol); - } - } - if (isJavaScriptFile && type.flags & 16384 /* Union */) { - // In javascript files, for union types, we don't just get the members that - // the individual types have in common, we also include all the members that - // each individual type has. This is because we're going to add all identifiers - // anyways. So we might as well elevate the members that were at least part - // of the individual types to a higher status since we know what they are. - var unionType = type; - for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { - var elementType = _c[_b]; - addTypeProperties(elementType); - } - } - } - } - function tryGetGlobalSymbols() { - var objectLikeContainer; - var namedImportsOrExports; - var jsxContainer; - if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { - return tryGetObjectLikeCompletionSymbols(objectLikeContainer); - } - if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { - // cursor is in an import clause - // try to show exported member for imported module - return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); - } - if (jsxContainer = tryGetContainingJsxElement(contextToken)) { - var attrsType = void 0; - if ((jsxContainer.kind === 237 /* JsxSelfClosingElement */) || (jsxContainer.kind === 238 /* JsxOpeningElement */)) { - // Cursor is inside a JSX self-closing element or opening element - attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); - if (attrsType) { - symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); - isMemberCompletion = true; - isNewIdentifierLocation = false; - return true; - } - } - } - // Get all entities in the current scope. - isMemberCompletion = false; - isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); - if (previousToken !== contextToken) { - ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); - } - // We need to find the node that will give us an appropriate scope to begin - // aggregating completion candidates. This is achieved in 'getScopeNode' - // by finding the first node that encompasses a position, accounting for whether a node - // is "complete" to decide whether a position belongs to the node. - // - // However, at the end of an identifier, we are interested in the scope of the identifier - // itself, but fall outside of the identifier. For instance: - // - // xyz => x$ - // - // the cursor is outside of both the 'x' and the arrow function 'xyz => x', - // so 'xyz' is not returned in our results. - // - // We define 'adjustedPosition' so that we may appropriately account for - // being at the end of an identifier. The intention is that if requesting completion - // at the end of an identifier, it should be effectively equivalent to requesting completion - // anywhere inside/at the beginning of the identifier. So in the previous case, the - // 'adjustedPosition' will work as if requesting completion in the following: - // - // xyz => $x - // - // If previousToken !== contextToken, then - // - 'contextToken' was adjusted to the token prior to 'previousToken' - // because we were at the end of an identifier. - // - 'previousToken' is defined. - var adjustedPosition = previousToken !== contextToken ? - previousToken.getStart() : - position; - var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; - /// TODO filter meaning based on the current context - var symbolMeanings = 793056 /* Type */ | 107455 /* Value */ | 1536 /* Namespace */ | 8388608 /* Alias */; - symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); - return true; - } - /** - * Finds the first node that "embraces" the position, so that one may - * accurately aggregate locals from the closest containing scope. - */ - function getScopeNode(initialToken, position, sourceFile) { - var scope = initialToken; - while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { - scope = scope.parent; - } - return scope; - } - function isCompletionListBlocker(contextToken) { - var start = new Date().getTime(); - var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || - isSolelyIdentifierDefinitionLocation(contextToken) || - isDotOfNumericLiteral(contextToken) || - isInJsxText(contextToken); - log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); - return result; - } - function isInJsxText(contextToken) { - if (contextToken.kind === 239 /* JsxText */) { - return true; - } - if (contextToken.kind === 27 /* GreaterThanToken */ && contextToken.parent) { - if (contextToken.parent.kind === 238 /* JsxOpeningElement */) { - return true; - } - if (contextToken.parent.kind === 240 /* JsxClosingElement */ || contextToken.parent.kind === 237 /* JsxSelfClosingElement */) { - return contextToken.parent.parent && contextToken.parent.parent.kind === 236 /* JsxElement */; - } - } - return false; - } - function isNewIdentifierDefinitionLocation(previousToken) { - if (previousToken) { - var containingNodeKind = previousToken.parent.kind; - switch (previousToken.kind) { - case 24 /* CommaToken */: - return containingNodeKind === 171 /* CallExpression */ // func( a, | - || containingNodeKind === 145 /* Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */ - || containingNodeKind === 172 /* NewExpression */ // new C(a, | - || containingNodeKind === 167 /* ArrayLiteralExpression */ // [a, | - || containingNodeKind === 184 /* BinaryExpression */ // const x = (a, | - || containingNodeKind === 153 /* FunctionType */; // var x: (s: string, list| - case 17 /* OpenParenToken */: - return containingNodeKind === 171 /* CallExpression */ // func( | - || containingNodeKind === 145 /* Constructor */ // constructor( | - || containingNodeKind === 172 /* NewExpression */ // new C(a| - || containingNodeKind === 175 /* ParenthesizedExpression */ // const x = (a| - || containingNodeKind === 161 /* ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */ - case 19 /* OpenBracketToken */: - return containingNodeKind === 167 /* ArrayLiteralExpression */ // [ | - || containingNodeKind === 150 /* IndexSignature */ // [ | : string ] - || containingNodeKind === 137 /* ComputedPropertyName */; // [ | /* this can become an index signature */ - case 125 /* ModuleKeyword */: // module | - case 126 /* NamespaceKeyword */: - return true; - case 21 /* DotToken */: - return containingNodeKind === 221 /* ModuleDeclaration */; // module A.| - case 15 /* OpenBraceToken */: - return containingNodeKind === 217 /* ClassDeclaration */; // class A{ | - case 56 /* EqualsToken */: - return containingNodeKind === 214 /* VariableDeclaration */ // const x = a| - || containingNodeKind === 184 /* BinaryExpression */; // x = a| - case 12 /* TemplateHead */: - return containingNodeKind === 186 /* TemplateExpression */; // `aa ${| - case 13 /* TemplateMiddle */: - return containingNodeKind === 193 /* TemplateSpan */; // `aa ${10} dd ${| - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return containingNodeKind === 142 /* PropertyDeclaration */; // class A{ public | - } - // Previous token may have been a keyword that was converted to an identifier. - switch (previousToken.getText()) { - case "public": - case "protected": - case "private": - return true; - } - } - return false; - } - function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { - if (contextToken.kind === 9 /* StringLiteral */ - || contextToken.kind === 163 /* StringLiteralType */ - || contextToken.kind === 10 /* RegularExpressionLiteral */ - || ts.isTemplateLiteralKind(contextToken.kind)) { - var start_7 = contextToken.getStart(); - var end = contextToken.getEnd(); - // To be "in" one of these literals, the position has to be: - // 1. entirely within the token text. - // 2. at the end position of an unterminated token. - // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). - if (start_7 < position && position < end) { - return true; - } - if (position === end) { - return !!contextToken.isUnterminated - || contextToken.kind === 10 /* RegularExpressionLiteral */; - } - } - return false; - } - /** - * Aggregates relevant symbols for completion in object literals and object binding patterns. - * Relevant symbols are stored in the captured 'symbols' variable. - * - * @returns true if 'symbols' was successfully populated; false otherwise. - */ - function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { - // We're looking up possible property names from contextual/inferred/declared type. - isMemberCompletion = true; - var typeForObject; - var existingMembers; - if (objectLikeContainer.kind === 168 /* ObjectLiteralExpression */) { - // We are completing on contextual types, but may also include properties - // other than those within the declared type. - isNewIdentifierLocation = true; - typeForObject = typeChecker.getContextualType(objectLikeContainer); - existingMembers = objectLikeContainer.properties; - } - else if (objectLikeContainer.kind === 164 /* ObjectBindingPattern */) { - // We are *only* completing on properties from the type being destructured. - isNewIdentifierLocation = false; - var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); - if (ts.isVariableLike(rootDeclaration)) { - // We don't want to complete using the type acquired by the shape - // of the binding pattern; we are only interested in types acquired - // through type declaration or inference. - if (rootDeclaration.initializer || rootDeclaration.type) { - typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); - existingMembers = objectLikeContainer.elements; - } - } - else { - ts.Debug.fail("Root declaration is not variable-like."); - } - } - else { - ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); - } - if (!typeForObject) { - return false; - } - var typeMembers = typeChecker.getPropertiesOfType(typeForObject); - if (typeMembers && typeMembers.length > 0) { - // Add filtered items to the completion list - symbols = filterObjectMembersList(typeMembers, existingMembers); - } - return true; - } - /** - * Aggregates relevant symbols for completion in import clauses and export clauses - * whose declarations have a module specifier; for instance, symbols will be aggregated for - * - * import { | } from "moduleName"; - * export { a as foo, | } from "moduleName"; - * - * but not for - * - * export { | }; - * - * Relevant symbols are stored in the captured 'symbols' variable. - * - * @returns true if 'symbols' was successfully populated; false otherwise. - */ - function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { - var declarationKind = namedImportsOrExports.kind === 228 /* NamedImports */ ? - 225 /* ImportDeclaration */ : - 231 /* ExportDeclaration */; - var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); - var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; - if (!moduleSpecifier) { - return false; - } - isMemberCompletion = true; - isNewIdentifierLocation = false; - var exports; - var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); - if (moduleSpecifierSymbol) { - exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); - } - symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; - return true; - } - /** - * Returns the immediate owning object literal or binding pattern of a context token, - * on the condition that one exists and that the context implies completion should be given. - */ - function tryGetObjectLikeCompletionContainer(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15 /* OpenBraceToken */: // const x = { | - case 24 /* CommaToken */: - var parent_12 = contextToken.parent; - if (parent_12 && (parent_12.kind === 168 /* ObjectLiteralExpression */ || parent_12.kind === 164 /* ObjectBindingPattern */)) { - return parent_12; - } - break; - } - } - return undefined; - } - /** - * Returns the containing list of named imports or exports of a context token, - * on the condition that one exists and that the context implies completion should be given. - */ - function tryGetNamedImportsOrExportsForCompletion(contextToken) { - if (contextToken) { - switch (contextToken.kind) { - case 15 /* OpenBraceToken */: // import { | - case 24 /* CommaToken */: - switch (contextToken.parent.kind) { - case 228 /* NamedImports */: - case 232 /* NamedExports */: - return contextToken.parent; - } - } - } - return undefined; - } - function tryGetContainingJsxElement(contextToken) { - if (contextToken) { - var parent_13 = contextToken.parent; - switch (contextToken.kind) { - case 26 /* LessThanSlashToken */: - case 39 /* SlashToken */: - case 69 /* Identifier */: - case 241 /* JsxAttribute */: - case 242 /* JsxSpreadAttribute */: - if (parent_13 && (parent_13.kind === 237 /* JsxSelfClosingElement */ || parent_13.kind === 238 /* JsxOpeningElement */)) { - return parent_13; - } - else if (parent_13.kind === 241 /* JsxAttribute */) { - return parent_13.parent; - } - break; - // The context token is the closing } or " of an attribute, which means - // its parent is a JsxExpression, whose parent is a JsxAttribute, - // whose parent is a JsxOpeningLikeElement - case 9 /* StringLiteral */: - if (parent_13 && ((parent_13.kind === 241 /* JsxAttribute */) || (parent_13.kind === 242 /* JsxSpreadAttribute */))) { - return parent_13.parent; - } - break; - case 16 /* CloseBraceToken */: - if (parent_13 && - parent_13.kind === 243 /* JsxExpression */ && - parent_13.parent && - (parent_13.parent.kind === 241 /* JsxAttribute */)) { - return parent_13.parent.parent; - } - if (parent_13 && parent_13.kind === 242 /* JsxSpreadAttribute */) { - return parent_13.parent; - } - break; - } - } - return undefined; - } - function isFunction(kind) { - switch (kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 148 /* CallSignature */: - case 149 /* ConstructSignature */: - case 150 /* IndexSignature */: - return true; - } - return false; - } - /** - * @returns true if we are certain that the currently edited location must define a new location; false otherwise. - */ - function isSolelyIdentifierDefinitionLocation(contextToken) { - var containingNodeKind = contextToken.parent.kind; - switch (contextToken.kind) { - case 24 /* CommaToken */: - return containingNodeKind === 214 /* VariableDeclaration */ || - containingNodeKind === 215 /* VariableDeclarationList */ || - containingNodeKind === 196 /* VariableStatement */ || - containingNodeKind === 220 /* EnumDeclaration */ || - isFunction(containingNodeKind) || - containingNodeKind === 217 /* ClassDeclaration */ || - containingNodeKind === 189 /* ClassExpression */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 165 /* ArrayBindingPattern */ || - containingNodeKind === 219 /* TypeAliasDeclaration */; // type Map, K, | - case 21 /* DotToken */: - return containingNodeKind === 165 /* ArrayBindingPattern */; // var [.| - case 54 /* ColonToken */: - return containingNodeKind === 166 /* BindingElement */; // var {x :html| - case 19 /* OpenBracketToken */: - return containingNodeKind === 165 /* ArrayBindingPattern */; // var [x| - case 17 /* OpenParenToken */: - return containingNodeKind === 247 /* CatchClause */ || - isFunction(containingNodeKind); - case 15 /* OpenBraceToken */: - return containingNodeKind === 220 /* EnumDeclaration */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 156 /* TypeLiteral */; // const x : { | - case 23 /* SemicolonToken */: - return containingNodeKind === 141 /* PropertySignature */ && - contextToken.parent && contextToken.parent.parent && - (contextToken.parent.parent.kind === 218 /* InterfaceDeclaration */ || - contextToken.parent.parent.kind === 156 /* TypeLiteral */); // const x : { a; | - case 25 /* LessThanToken */: - return containingNodeKind === 217 /* ClassDeclaration */ || - containingNodeKind === 189 /* ClassExpression */ || - containingNodeKind === 218 /* InterfaceDeclaration */ || - containingNodeKind === 219 /* TypeAliasDeclaration */ || - isFunction(containingNodeKind); - case 113 /* StaticKeyword */: - return containingNodeKind === 142 /* PropertyDeclaration */; - case 22 /* DotDotDotToken */: - return containingNodeKind === 139 /* Parameter */ || - (contextToken.parent && contextToken.parent.parent && - contextToken.parent.parent.kind === 165 /* ArrayBindingPattern */); // var [...z| - case 112 /* PublicKeyword */: - case 110 /* PrivateKeyword */: - case 111 /* ProtectedKeyword */: - return containingNodeKind === 139 /* Parameter */; - case 116 /* AsKeyword */: - return containingNodeKind === 229 /* ImportSpecifier */ || - containingNodeKind === 233 /* ExportSpecifier */ || - containingNodeKind === 227 /* NamespaceImport */; - case 73 /* ClassKeyword */: - case 81 /* EnumKeyword */: - case 107 /* InterfaceKeyword */: - case 87 /* FunctionKeyword */: - case 102 /* VarKeyword */: - case 123 /* GetKeyword */: - case 129 /* SetKeyword */: - case 89 /* ImportKeyword */: - case 108 /* LetKeyword */: - case 74 /* ConstKeyword */: - case 114 /* YieldKeyword */: - case 132 /* TypeKeyword */: - return true; - } - // Previous token may have been a keyword that was converted to an identifier. - switch (contextToken.getText()) { - case "abstract": - case "async": - case "class": - case "const": - case "declare": - case "enum": - case "function": - case "interface": - case "let": - case "private": - case "protected": - case "public": - case "static": - case "var": - case "yield": - return true; - } - return false; - } - function isDotOfNumericLiteral(contextToken) { - if (contextToken.kind === 8 /* NumericLiteral */) { - var text = contextToken.getFullText(); - return text.charAt(text.length - 1) === "."; - } - return false; - } - /** - * Filters out completion suggestions for named imports or exports. - * - * @param exportsOfModule The list of symbols which a module exposes. - * @param namedImportsOrExports The list of existing import/export specifiers in the import/export clause. - * - * @returns Symbols to be suggested at an import/export clause, barring those whose named imports/exports - * do not occur at the current position and have not otherwise been typed. - */ - function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { - var exisingImportsOrExports = {}; - for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { - var element = namedImportsOrExports_1[_i]; - // If this is the current item we are editing right now, do not filter it out - if (element.getStart() <= position && position <= element.getEnd()) { - continue; - } - var name_35 = element.propertyName || element.name; - exisingImportsOrExports[name_35.text] = true; - } - if (ts.isEmpty(exisingImportsOrExports)) { - return exportsOfModule; - } - return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); - } - /** - * Filters out completion suggestions for named imports or exports. - * - * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations - * do not occur at the current position and have not otherwise been typed. - */ - function filterObjectMembersList(contextualMemberSymbols, existingMembers) { - if (!existingMembers || existingMembers.length === 0) { - return contextualMemberSymbols; - } - var existingMemberNames = {}; - for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { - var m = existingMembers_1[_i]; - // Ignore omitted expressions for missing members - if (m.kind !== 248 /* PropertyAssignment */ && - m.kind !== 249 /* ShorthandPropertyAssignment */ && - m.kind !== 166 /* BindingElement */ && - m.kind !== 144 /* MethodDeclaration */) { - continue; - } - // If this is the current item we are editing right now, do not filter it out - if (m.getStart() <= position && position <= m.getEnd()) { - continue; - } - var existingName = void 0; - if (m.kind === 166 /* BindingElement */ && m.propertyName) { - // include only identifiers in completion list - if (m.propertyName.kind === 69 /* Identifier */) { - existingName = m.propertyName.text; - } - } - else { - // TODO(jfreeman): Account for computed property name - // NOTE: if one only performs this step when m.name is an identifier, - // things like '__proto__' are not filtered out. - existingName = m.name.text; - } - existingMemberNames[existingName] = true; - } - return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); - } - /** - * Filters out completion suggestions from 'symbols' according to existing JSX attributes. - * - * @returns Symbols to be suggested in a JSX element, barring those whose attributes - * do not occur at the current position and have not otherwise been typed. - */ - function filterJsxAttributes(symbols, attributes) { - var seenNames = {}; - for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { - var attr = attributes_1[_i]; - // If this is the current item we are editing right now, do not filter it out - if (attr.getStart() <= position && position <= attr.getEnd()) { - continue; - } - if (attr.kind === 241 /* JsxAttribute */) { - seenNames[attr.name.text] = true; - } - } - return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); - } - } - function getCompletionsAtPosition(fileName, position) { - synchronizeHostData(); - var completionData = getCompletionData(fileName, position); - if (!completionData) { - return undefined; - } - var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; - if (isJsDocTagName) { - // If the current position is a jsDoc tag name, only tag names should be provided for completion - return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; - } - var sourceFile = getValidSourceFile(fileName); - var entries = []; - if (ts.isSourceFileJavaScript(sourceFile)) { - var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); - ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); - } - else { - if (!symbols || symbols.length === 0) { - if (sourceFile.languageVariant === 1 /* JSX */ && - location.parent && location.parent.kind === 240 /* JsxClosingElement */) { - // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag, - // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element. - // For example: - // var x =
completion list at "1" will contain "div" with type any - var tagName = location.parent.parent.openingElement.tagName; - entries.push({ - name: tagName.text, - kind: undefined, - kindModifiers: undefined, - sortText: "0" - }); - } - else { - return undefined; - } - } - getCompletionEntriesFromSymbols(symbols, entries); - } - // Add keywords if this is not a member completion list - if (!isMemberCompletion && !isJsDocTagName) { - ts.addRange(entries, keywordCompletions); - } - return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; - function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { - var entries = []; - var target = program.getCompilerOptions().target; - var nameTable = getNameTable(sourceFile); - for (var name_36 in nameTable) { - // Skip identifiers produced only from the current location - if (nameTable[name_36] === position) { - continue; - } - if (!uniqueNames[name_36]) { - uniqueNames[name_36] = name_36; - var displayName = getCompletionEntryDisplayName(name_36, target, /*performCharacterChecks*/ true); - if (displayName) { - var entry = { - name: displayName, - kind: ScriptElementKind.warning, - kindModifiers: "", - sortText: "1" - }; - entries.push(entry); - } - } - } - return entries; - } - function getAllJsDocCompletionEntries() { - return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { - return { - name: tagName, - kind: ScriptElementKind.keyword, - kindModifiers: "", - sortText: "0" - }; - })); - } - function createCompletionEntry(symbol, location) { - // Try to get a valid display name for this symbol, if we could not find one, then ignore it. - // We would like to only show things that can be added after a dot, so for instance numeric properties can - // not be accessed with a dot (a.1 <- invalid) - var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, /*performCharacterChecks*/ true, location); - if (!displayName) { - return undefined; - } - // TODO(drosen): Right now we just permit *all* semantic meanings when calling - // 'getSymbolKind' which is permissible given that it is backwards compatible; but - // really we should consider passing the meaning for the node so that we don't report - // that a suggestion for a value is an interface. We COULD also just do what - // 'getSymbolModifiers' does, which is to use the first declaration. - // Use a 'sortText' of 0' so that all symbol completion entries come before any other - // entries (like JavaScript identifier entries). - return { - name: displayName, - kind: getSymbolKind(symbol, location), - kindModifiers: getSymbolModifiers(symbol), - sortText: "0" - }; - } - function getCompletionEntriesFromSymbols(symbols, entries) { - var start = new Date().getTime(); - var uniqueNames = {}; - if (symbols) { - for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { - var symbol = symbols_4[_i]; - var entry = createCompletionEntry(symbol, location); - if (entry) { - var id = ts.escapeIdentifier(entry.name); - if (!ts.lookUp(uniqueNames, id)) { - entries.push(entry); - uniqueNames[id] = id; - } - } - } - } - log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); - return uniqueNames; - } - } - function getCompletionEntryDetails(fileName, position, entryName) { - synchronizeHostData(); - // Compute all the completion symbols again. - var completionData = getCompletionData(fileName, position); - if (completionData) { - var symbols = completionData.symbols, location_2 = completionData.location; - // Find the symbol with the matching entry name. - var target_2 = program.getCompilerOptions().target; - // We don't need to perform character checks here because we're only comparing the - // name against 'entryName' (which is known to be good), not building a new - // completion entry. - var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, /*performCharacterChecks*/ false, location_2) === entryName ? s : undefined; }); - if (symbol) { - var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7 /* All */), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; - return { - name: entryName, - kindModifiers: getSymbolModifiers(symbol), - kind: symbolKind, - displayParts: displayParts, - documentation: documentation - }; - } - } - // Didn't find a symbol with this name. See if we can find a keyword instead. - var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); - if (keywordCompletion) { - return { - name: entryName, - kind: ScriptElementKind.keyword, - kindModifiers: ScriptElementKindModifier.none, - displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], - documentation: undefined - }; - } - return undefined; - } - // TODO(drosen): use contextual SemanticMeaning. - function getSymbolKind(symbol, location) { - var flags = symbol.getFlags(); - if (flags & 32 /* Class */) - return ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */) ? - ScriptElementKind.localClassElement : ScriptElementKind.classElement; - if (flags & 384 /* Enum */) - return ScriptElementKind.enumElement; - if (flags & 524288 /* TypeAlias */) - return ScriptElementKind.typeElement; - if (flags & 64 /* Interface */) - return ScriptElementKind.interfaceElement; - if (flags & 262144 /* TypeParameter */) - return ScriptElementKind.typeParameterElement; - var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); - if (result === ScriptElementKind.unknown) { - if (flags & 262144 /* TypeParameter */) - return ScriptElementKind.typeParameterElement; - if (flags & 8 /* EnumMember */) - return ScriptElementKind.variableElement; - if (flags & 8388608 /* Alias */) - return ScriptElementKind.alias; - if (flags & 1536 /* Module */) - return ScriptElementKind.moduleElement; - } - return result; - } - function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { - var typeChecker = program.getTypeChecker(); - if (typeChecker.isUndefinedSymbol(symbol)) { - return ScriptElementKind.variableElement; - } - if (typeChecker.isArgumentsSymbol(symbol)) { - return ScriptElementKind.localVariableElement; - } - if (flags & 3 /* Variable */) { - if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { - return ScriptElementKind.parameterElement; - } - else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { - return ScriptElementKind.constElement; - } - else if (ts.forEach(symbol.declarations, ts.isLet)) { - return ScriptElementKind.letElement; - } - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; - } - if (flags & 16 /* Function */) - return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; - if (flags & 32768 /* GetAccessor */) - return ScriptElementKind.memberGetAccessorElement; - if (flags & 65536 /* SetAccessor */) - return ScriptElementKind.memberSetAccessorElement; - if (flags & 8192 /* Method */) - return ScriptElementKind.memberFunctionElement; - if (flags & 16384 /* Constructor */) - return ScriptElementKind.constructorImplementationElement; - if (flags & 4 /* Property */) { - if (flags & 268435456 /* SyntheticProperty */) { - // If union property is result of union of non method (property/accessors/variables), it is labeled as property - var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - var rootSymbolFlags = rootSymbol.getFlags(); - if (rootSymbolFlags & (98308 /* PropertyOrAccessor */ | 3 /* Variable */)) { - return ScriptElementKind.memberVariableElement; - } - ts.Debug.assert(!!(rootSymbolFlags & 8192 /* Method */)); - }); - if (!unionPropertyKind) { - // If this was union of all methods, - // make sure it has call signatures before we can label it as method - var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (typeOfUnionProperty.getCallSignatures().length) { - return ScriptElementKind.memberFunctionElement; - } - return ScriptElementKind.memberVariableElement; - } - return unionPropertyKind; - } - return ScriptElementKind.memberVariableElement; - } - return ScriptElementKind.unknown; - } - function getSymbolModifiers(symbol) { - return symbol && symbol.declarations && symbol.declarations.length > 0 - ? ts.getNodeModifiers(symbol.declarations[0]) - : ScriptElementKindModifier.none; - } - // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location - function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { - if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } - var typeChecker = program.getTypeChecker(); - var displayParts = []; - var documentation; - var symbolFlags = symbol.flags; - var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); - var hasAddedSymbolInfo; - var type; - // Class at constructor site need to be shown as constructor apart from property,method, vars - if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 /* Class */ || symbolFlags & 8388608 /* Alias */) { - // If it is accessor they are allowed only if location is at name of the accessor - if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { - symbolKind = ScriptElementKind.memberVariableElement; - } - var signature = void 0; - type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); - if (type) { - if (location.parent && location.parent.kind === 169 /* PropertyAccessExpression */) { - var right = location.parent.name; - // Either the location is on the right of a property access, or on the left and the right is missing - if (right === location || (right && right.getFullWidth() === 0)) { - location = location.parent; - } - } - // try get the call/construct signature from the type if it matches - var callExpression = void 0; - if (location.kind === 171 /* CallExpression */ || location.kind === 172 /* NewExpression */) { - callExpression = location; - } - else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { - callExpression = location.parent; - } - if (callExpression) { - var candidateSignatures = []; - signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); - if (!signature && candidateSignatures.length) { - // Use the first candidate: - signature = candidateSignatures[0]; - } - var useConstructSignatures = callExpression.kind === 172 /* NewExpression */ || callExpression.expression.kind === 95 /* SuperKeyword */; - var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); - if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { - // Get the first signature if there is one -- allSignatures may contain - // either the original signature or its target, so check for either - signature = allSignatures.length ? allSignatures[0] : undefined; - } - if (signature) { - if (useConstructSignatures && (symbolFlags & 32 /* Class */)) { - // Constructor - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else if (symbolFlags & 8388608 /* Alias */) { - symbolKind = ScriptElementKind.alias; - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - addFullSymbolName(symbol); - } - else { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - } - switch (symbolKind) { - case ScriptElementKind.memberVariableElement: - case ScriptElementKind.variableElement: - case ScriptElementKind.constElement: - case ScriptElementKind.letElement: - case ScriptElementKind.parameterElement: - case ScriptElementKind.localVariableElement: - // If it is call or construct signature of lambda's write type name - displayParts.push(ts.punctuationPart(54 /* ColonToken */)); - displayParts.push(ts.spacePart()); - if (useConstructSignatures) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - if (!(type.flags & 65536 /* Anonymous */)) { - ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); - } - addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); - break; - default: - // Just signature - addSignatureDisplayParts(signature, allSignatures); - } - hasAddedSymbolInfo = true; - } - } - else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304 /* Accessor */)) || - (location.kind === 121 /* ConstructorKeyword */ && location.parent.kind === 145 /* Constructor */)) { - // get the signature from the declaration and write it - var functionDeclaration = location.parent; - var allSignatures = functionDeclaration.kind === 145 /* Constructor */ ? type.getConstructSignatures() : type.getCallSignatures(); - if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { - signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); - } - else { - signature = allSignatures[0]; - } - if (functionDeclaration.kind === 145 /* Constructor */) { - // show (constructor) Type(...) signature - symbolKind = ScriptElementKind.constructorImplementationElement; - addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); - } - else { - // (function/method) symbol(..signature) - addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 /* CallSignature */ && - !(type.symbol.flags & 2048 /* TypeLiteral */ || type.symbol.flags & 4096 /* ObjectLiteral */) ? type.symbol : symbol, symbolKind); - } - addSignatureDisplayParts(signature, allSignatures); - hasAddedSymbolInfo = true; - } - } - } - if (symbolFlags & 32 /* Class */ && !hasAddedSymbolInfo) { - if (ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */)) { - // Special case for class expressions because we would like to indicate that - // the class name is local to the class body (similar to function expression) - // (local class) class - pushTypePart(ScriptElementKind.localClassElement); - } - else { - // Class declaration has name which is not local. - displayParts.push(ts.keywordPart(73 /* ClassKeyword */)); - } - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if ((symbolFlags & 64 /* Interface */) && (semanticMeaning & 2 /* Type */)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(107 /* InterfaceKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - } - if (symbolFlags & 524288 /* TypeAlias */) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - writeTypeParametersOfSymbol(symbol, sourceFile); - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); - } - if (symbolFlags & 384 /* Enum */) { - addNewLineIfDisplayPartsExist(); - if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { - displayParts.push(ts.keywordPart(74 /* ConstKeyword */)); - displayParts.push(ts.spacePart()); - } - displayParts.push(ts.keywordPart(81 /* EnumKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if (symbolFlags & 1536 /* Module */) { - addNewLineIfDisplayPartsExist(); - var declaration = ts.getDeclarationOfKind(symbol, 221 /* ModuleDeclaration */); - var isNamespace = declaration && declaration.name && declaration.name.kind === 69 /* Identifier */; - displayParts.push(ts.keywordPart(isNamespace ? 126 /* NamespaceKeyword */ : 125 /* ModuleKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - if ((symbolFlags & 262144 /* TypeParameter */) && (semanticMeaning & 2 /* Type */)) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.textPart("type parameter")); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(90 /* InKeyword */)); - displayParts.push(ts.spacePart()); - if (symbol.parent) { - // Class/Interface type parameter - addFullSymbolName(symbol.parent, enclosingDeclaration); - writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); - } - else { - // Method/function type parameter - var declaration = ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */); - ts.Debug.assert(declaration !== undefined); - declaration = declaration.parent; - if (declaration) { - if (ts.isFunctionLikeKind(declaration.kind)) { - var signature = typeChecker.getSignatureFromDeclaration(declaration); - if (declaration.kind === 149 /* ConstructSignature */) { - displayParts.push(ts.keywordPart(92 /* NewKeyword */)); - displayParts.push(ts.spacePart()); - } - else if (declaration.kind !== 148 /* CallSignature */ && declaration.name) { - addFullSymbolName(declaration.symbol); - } - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* WriteTypeArgumentsOfSignature */)); - } - else { - // Type alias type parameter - // For example - // type list = T[]; // Both T will go through same code path - displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(declaration.symbol); - writeTypeParametersOfSymbol(declaration.symbol, sourceFile); - } - } - } - } - if (symbolFlags & 8 /* EnumMember */) { - addPrefixForAnyFunctionOrVar(symbol, "enum member"); - var declaration = symbol.declarations[0]; - if (declaration.kind === 250 /* EnumMember */) { - var constantValue = typeChecker.getConstantValue(declaration); - if (constantValue !== undefined) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); - } - } - } - if (symbolFlags & 8388608 /* Alias */) { - addNewLineIfDisplayPartsExist(); - displayParts.push(ts.keywordPart(89 /* ImportKeyword */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - ts.forEach(symbol.declarations, function (declaration) { - if (declaration.kind === 224 /* ImportEqualsDeclaration */) { - var importEqualsDeclaration = declaration; - if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.keywordPart(127 /* RequireKeyword */)); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - else { - var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); - if (internalAliasSymbol) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.operatorPart(56 /* EqualsToken */)); - displayParts.push(ts.spacePart()); - addFullSymbolName(internalAliasSymbol, enclosingDeclaration); - } - } - return true; - } - }); - } - if (!hasAddedSymbolInfo) { - if (symbolKind !== ScriptElementKind.unknown) { - if (type) { - addPrefixForAnyFunctionOrVar(symbol, symbolKind); - // For properties, variables and local vars: show the type - if (symbolKind === ScriptElementKind.memberVariableElement || - symbolFlags & 3 /* Variable */ || - symbolKind === ScriptElementKind.localVariableElement) { - displayParts.push(ts.punctuationPart(54 /* ColonToken */)); - displayParts.push(ts.spacePart()); - // If the type is type parameter, format it specially - if (type.symbol && type.symbol.flags & 262144 /* TypeParameter */) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - else { - ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); - } - } - else if (symbolFlags & 16 /* Function */ || - symbolFlags & 8192 /* Method */ || - symbolFlags & 16384 /* Constructor */ || - symbolFlags & 131072 /* Signature */ || - symbolFlags & 98304 /* Accessor */ || - symbolKind === ScriptElementKind.memberFunctionElement) { - var allSignatures = type.getCallSignatures(); - addSignatureDisplayParts(allSignatures[0], allSignatures); - } - } - } - else { - symbolKind = getSymbolKind(symbol, location); - } - } - if (!documentation) { - documentation = symbol.getDocumentationComment(); - } - return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; - function addNewLineIfDisplayPartsExist() { - if (displayParts.length) { - displayParts.push(ts.lineBreakPart()); - } - } - function addFullSymbolName(symbol, enclosingDeclaration) { - var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */ | 2 /* UseOnlyExternalAliasing */); - ts.addRange(displayParts, fullSymbolDisplayParts); - } - function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { - addNewLineIfDisplayPartsExist(); - if (symbolKind) { - pushTypePart(symbolKind); - displayParts.push(ts.spacePart()); - addFullSymbolName(symbol); - } - } - function pushTypePart(symbolKind) { - switch (symbolKind) { - case ScriptElementKind.variableElement: - case ScriptElementKind.functionElement: - case ScriptElementKind.letElement: - case ScriptElementKind.constElement: - case ScriptElementKind.constructorImplementationElement: - displayParts.push(ts.textOrKeywordPart(symbolKind)); - return; - default: - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.textOrKeywordPart(symbolKind)); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - return; - } - } - function addSignatureDisplayParts(signature, allSignatures, flags) { - ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* WriteTypeArgumentsOfSignature */)); - if (allSignatures.length > 1) { - displayParts.push(ts.spacePart()); - displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); - displayParts.push(ts.operatorPart(35 /* PlusToken */)); - displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); - displayParts.push(ts.spacePart()); - displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); - displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); - } - documentation = signature.getDocumentationComment(); - } - function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { - var typeParameterParts = ts.mapToDisplayParts(function (writer) { - typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); - }); - ts.addRange(displayParts, typeParameterParts); - } - } - function getQuickInfoAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (isLabelName(node)) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol || typeChecker.isUnknownSymbol(symbol)) { - // Try getting just type at this position and show - switch (node.kind) { - case 69 /* Identifier */: - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - case 97 /* ThisKeyword */: - case 162 /* ThisType */: - case 95 /* SuperKeyword */: - // For the identifiers/this/super etc get the type at position - var type = typeChecker.getTypeAtLocation(node); - if (type) { - return { - kind: ScriptElementKind.unknown, - kindModifiers: ScriptElementKindModifier.none, - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), - documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined - }; - } - } - return undefined; - } - var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); - return { - kind: displayPartsDocumentationsAndKind.symbolKind, - kindModifiers: getSymbolModifiers(symbol), - textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), - displayParts: displayPartsDocumentationsAndKind.displayParts, - documentation: displayPartsDocumentationsAndKind.documentation - }; - } - function createDefinitionInfo(node, symbolKind, symbolName, containerName) { - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), - kind: symbolKind, - name: symbolName, - containerKind: undefined, - containerName: containerName - }; - } - function getDefinitionFromSymbol(symbol, node) { - var typeChecker = program.getTypeChecker(); - var result = []; - var declarations = symbol.getDeclarations(); - var symbolName = typeChecker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol - var symbolKind = getSymbolKind(symbol, node); - var containerSymbol = symbol.parent; - var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; - if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && - !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { - // Just add all the declarations. - ts.forEach(declarations, function (declaration) { - result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); - }); - } - return result; - function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { - // Applicable only if we are in a new expression, or we are on a constructor declaration - // and in either case the symbol has a construct signature definition, i.e. class - if (isNewExpressionTarget(location) || location.kind === 121 /* ConstructorKeyword */) { - if (symbol.flags & 32 /* Class */) { - // Find the first class-like declaration and try to get the construct signature. - for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { - var declaration = _a[_i]; - if (ts.isClassLike(declaration)) { - return tryAddSignature(declaration.members, - /*selectConstructors*/ true, symbolKind, symbolName, containerName, result); - } - } - ts.Debug.fail("Expected declaration to have at least one class-like declaration"); - } - } - return false; - } - function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { - if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { - return tryAddSignature(symbol.declarations, /*selectConstructors*/ false, symbolKind, symbolName, containerName, result); - } - return false; - } - function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { - var declarations = []; - var definition; - ts.forEach(signatureDeclarations, function (d) { - if ((selectConstructors && d.kind === 145 /* Constructor */) || - (!selectConstructors && (d.kind === 216 /* FunctionDeclaration */ || d.kind === 144 /* MethodDeclaration */ || d.kind === 143 /* MethodSignature */))) { - declarations.push(d); - if (d.body) - definition = d; - } - }); - if (definition) { - result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); - return true; - } - else if (declarations.length) { - result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); - return true; - } - return false; - } - } - /// Goto definition - function getDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - // Labels - if (isJumpStatementTarget(node)) { - var labelName = node.text; - var label = getTargetLabel(node.parent, node.text); - return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, /*containerName*/ undefined)] : undefined; - } - /// Triple slash reference comments - var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); - if (comment) { - var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); - if (referenceFile) { - return [{ - fileName: referenceFile.fileName, - textSpan: ts.createTextSpanFromBounds(0, 0), - kind: ScriptElementKind.scriptElement, - name: comment.fileName, - containerName: undefined, - containerKind: undefined - }]; - } - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - // Could not find a symbol e.g. node is string or number keyword, - // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol - if (!symbol) { - return undefined; - } - // If this is an alias, and the request came at the declaration location - // get the aliased symbol instead. This allows for goto def on an import e.g. - // import {A, B} from "mod"; - // to jump to the implementation directly. - if (symbol.flags & 8388608 /* Alias */) { - var declaration = symbol.declarations[0]; - if (node.kind === 69 /* Identifier */ && node.parent === declaration) { - symbol = typeChecker.getAliasedSymbol(symbol); - } - } - // Because name in short-hand property assignment has two different meanings: property name and property value, - // using go-to-definition at such position should go to the variable declaration of the property value rather than - // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition - // is performed at the location of property access, we would like to go to definition of the property in the short-hand - // assignment. This case and others are handled by the following code. - if (node.parent.kind === 249 /* ShorthandPropertyAssignment */) { - var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); - if (!shorthandSymbol) { - return []; - } - var shorthandDeclarations = shorthandSymbol.getDeclarations(); - var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); - var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); - var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); - return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); - } - return getDefinitionFromSymbol(symbol, node); - } - /// Goto type - function getTypeDefinitionAtPosition(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - var typeChecker = program.getTypeChecker(); - var symbol = typeChecker.getSymbolAtLocation(node); - if (!symbol) { - return undefined; - } - var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); - if (!type) { - return undefined; - } - if (type.flags & 16384 /* Union */) { - var result_4 = []; - ts.forEach(type.types, function (t) { - if (t.symbol) { - ts.addRange(/*to*/ result_4, /*from*/ getDefinitionFromSymbol(t.symbol, node)); - } - }); - return result_4; - } - if (!type.symbol) { - return undefined; - } - return getDefinitionFromSymbol(type.symbol, node); - } - function getOccurrencesAtPosition(fileName, position) { - var results = getOccurrencesAtPositionCore(fileName, position); - if (results) { - var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); - // Get occurrences only supports reporting occurrences for the file queried. So - // filter down to that list. - results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); - } - return results; - } - function getDocumentHighlights(fileName, position, filesToSearch) { - synchronizeHostData(); - filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); - var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingWord(sourceFile, position); - if (!node) { - return undefined; - } - return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); - function getHighlightSpanForNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - return { - fileName: sourceFile.fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - kind: HighlightSpanKind.none - }; - } - function getSemanticDocumentHighlights(node) { - if (node.kind === 69 /* Identifier */ || - node.kind === 97 /* ThisKeyword */ || - node.kind === 162 /* ThisType */ || - node.kind === 95 /* SuperKeyword */ || - isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, /*findInStrings*/ false, /*findInComments*/ false); - return convertReferencedSymbols(referencedSymbols); - } - return undefined; - function convertReferencedSymbols(referencedSymbols) { - if (!referencedSymbols) { - return undefined; - } - var fileNameToDocumentHighlights = {}; - var result = []; - for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { - var referencedSymbol = referencedSymbols_1[_i]; - for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { - var referenceEntry = _b[_a]; - var fileName_1 = referenceEntry.fileName; - var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); - if (!documentHighlights) { - documentHighlights = { fileName: fileName_1, highlightSpans: [] }; - fileNameToDocumentHighlights[fileName_1] = documentHighlights; - result.push(documentHighlights); - } - documentHighlights.highlightSpans.push({ - textSpan: referenceEntry.textSpan, - kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference - }); - } - } - return result; - } - } - function getSyntacticDocumentHighlights(node) { - var fileName = sourceFile.fileName; - var highlightSpans = getHighlightSpans(node); - if (!highlightSpans || highlightSpans.length === 0) { - return undefined; - } - return [{ fileName: fileName, highlightSpans: highlightSpans }]; - // returns true if 'node' is defined and has a matching 'kind'. - function hasKind(node, kind) { - return node !== undefined && node.kind === kind; - } - // Null-propagating 'parent' function. - function parent(node) { - return node && node.parent; - } - function getHighlightSpans(node) { - if (node) { - switch (node.kind) { - case 88 /* IfKeyword */: - case 80 /* ElseKeyword */: - if (hasKind(node.parent, 199 /* IfStatement */)) { - return getIfElseOccurrences(node.parent); - } - break; - case 94 /* ReturnKeyword */: - if (hasKind(node.parent, 207 /* ReturnStatement */)) { - return getReturnOccurrences(node.parent); - } - break; - case 98 /* ThrowKeyword */: - if (hasKind(node.parent, 211 /* ThrowStatement */)) { - return getThrowOccurrences(node.parent); - } - break; - case 72 /* CatchKeyword */: - if (hasKind(parent(parent(node)), 212 /* TryStatement */)) { - return getTryCatchFinallyOccurrences(node.parent.parent); - } - break; - case 100 /* TryKeyword */: - case 85 /* FinallyKeyword */: - if (hasKind(parent(node), 212 /* TryStatement */)) { - return getTryCatchFinallyOccurrences(node.parent); - } - break; - case 96 /* SwitchKeyword */: - if (hasKind(node.parent, 209 /* SwitchStatement */)) { - return getSwitchCaseDefaultOccurrences(node.parent); - } - break; - case 71 /* CaseKeyword */: - case 77 /* DefaultKeyword */: - if (hasKind(parent(parent(parent(node))), 209 /* SwitchStatement */)) { - return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); - } - break; - case 70 /* BreakKeyword */: - case 75 /* ContinueKeyword */: - if (hasKind(node.parent, 206 /* BreakStatement */) || hasKind(node.parent, 205 /* ContinueStatement */)) { - return getBreakOrContinueStatementOccurrences(node.parent); - } - break; - case 86 /* ForKeyword */: - if (hasKind(node.parent, 202 /* ForStatement */) || - hasKind(node.parent, 203 /* ForInStatement */) || - hasKind(node.parent, 204 /* ForOfStatement */)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 104 /* WhileKeyword */: - case 79 /* DoKeyword */: - if (hasKind(node.parent, 201 /* WhileStatement */) || hasKind(node.parent, 200 /* DoStatement */)) { - return getLoopBreakContinueOccurrences(node.parent); - } - break; - case 121 /* ConstructorKeyword */: - if (hasKind(node.parent, 145 /* Constructor */)) { - return getConstructorOccurrences(node.parent); - } - break; - case 123 /* GetKeyword */: - case 129 /* SetKeyword */: - if (hasKind(node.parent, 146 /* GetAccessor */) || hasKind(node.parent, 147 /* SetAccessor */)) { - return getGetAndSetOccurrences(node.parent); - } - break; - default: - if (ts.isModifierKind(node.kind) && node.parent && - (ts.isDeclaration(node.parent) || node.parent.kind === 196 /* VariableStatement */)) { - return getModifierOccurrences(node.kind, node.parent); - } - } - } - return undefined; - } - /** - * Aggregates all throw-statements within this node *without* crossing - * into function boundaries and try-blocks with catch-clauses. - */ - function aggregateOwnedThrowStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 211 /* ThrowStatement */) { - statementAccumulator.push(node); - } - else if (node.kind === 212 /* TryStatement */) { - var tryStatement = node; - if (tryStatement.catchClause) { - aggregate(tryStatement.catchClause); - } - else { - // Exceptions thrown within a try block lacking a catch clause - // are "owned" in the current context. - aggregate(tryStatement.tryBlock); - } - if (tryStatement.finallyBlock) { - aggregate(tryStatement.finallyBlock); - } - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - /** - * For lack of a better name, this function takes a throw statement and returns the - * nearest ancestor that is a try-block (whose try statement has a catch clause), - * function-block, or source file. - */ - function getThrowStatementOwner(throwStatement) { - var child = throwStatement; - while (child.parent) { - var parent_14 = child.parent; - if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251 /* SourceFile */) { - return parent_14; - } - // A throw-statement is only owned by a try-statement if the try-statement has - // a catch clause, and if the throw-statement occurs within the try block. - if (parent_14.kind === 212 /* TryStatement */) { - var tryStatement = parent_14; - if (tryStatement.tryBlock === child && tryStatement.catchClause) { - return child; - } - } - child = parent_14; - } - return undefined; - } - function aggregateAllBreakAndContinueStatements(node) { - var statementAccumulator = []; - aggregate(node); - return statementAccumulator; - function aggregate(node) { - if (node.kind === 206 /* BreakStatement */ || node.kind === 205 /* ContinueStatement */) { - statementAccumulator.push(node); - } - else if (!ts.isFunctionLike(node)) { - ts.forEachChild(node, aggregate); - } - } - } - function ownsBreakOrContinueStatement(owner, statement) { - var actualOwner = getBreakOrContinueOwner(statement); - return actualOwner && actualOwner === owner; - } - function getBreakOrContinueOwner(statement) { - for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { - switch (node_2.kind) { - case 209 /* SwitchStatement */: - if (statement.kind === 205 /* ContinueStatement */) { - continue; - } - // Fall through. - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 201 /* WhileStatement */: - case 200 /* DoStatement */: - if (!statement.label || isLabeledBy(node_2, statement.label.text)) { - return node_2; - } - break; - default: - // Don't cross function boundaries. - if (ts.isFunctionLike(node_2)) { - return undefined; - } - break; - } - } - return undefined; - } - function getModifierOccurrences(modifier, declaration) { - var container = declaration.parent; - // Make sure we only highlight the keyword when it makes sense to do so. - if (ts.isAccessibilityModifier(modifier)) { - if (!(container.kind === 217 /* ClassDeclaration */ || - container.kind === 189 /* ClassExpression */ || - (declaration.kind === 139 /* Parameter */ && hasKind(container, 145 /* Constructor */)))) { - return undefined; - } - } - else if (modifier === 113 /* StaticKeyword */) { - if (!(container.kind === 217 /* ClassDeclaration */ || container.kind === 189 /* ClassExpression */)) { - return undefined; - } - } - else if (modifier === 82 /* ExportKeyword */ || modifier === 122 /* DeclareKeyword */) { - if (!(container.kind === 222 /* ModuleBlock */ || container.kind === 251 /* SourceFile */)) { - return undefined; - } - } - else if (modifier === 115 /* AbstractKeyword */) { - if (!(container.kind === 217 /* ClassDeclaration */ || declaration.kind === 217 /* ClassDeclaration */)) { - return undefined; - } - } - else { - // unsupported modifier - return undefined; - } - var keywords = []; - var modifierFlag = getFlagFromModifier(modifier); - var nodes; - switch (container.kind) { - case 222 /* ModuleBlock */: - case 251 /* SourceFile */: - // Container is either a class declaration or the declaration is a classDeclaration - if (modifierFlag & 128 /* Abstract */) { - nodes = declaration.members.concat(declaration); - } - else { - nodes = container.statements; - } - break; - case 145 /* Constructor */: - nodes = container.parameters.concat(container.parent.members); - break; - case 217 /* ClassDeclaration */: - case 189 /* ClassExpression */: - nodes = container.members; - // If we're an accessibility modifier, we're in an instance member and should search - // the constructor's parameter list for instance members as well. - if (modifierFlag & 56 /* AccessibilityModifier */) { - var constructor = ts.forEach(container.members, function (member) { - return member.kind === 145 /* Constructor */ && member; - }); - if (constructor) { - nodes = nodes.concat(constructor.parameters); - } - } - else if (modifierFlag & 128 /* Abstract */) { - nodes = nodes.concat(container); - } - break; - default: - ts.Debug.fail("Invalid container kind."); - } - ts.forEach(nodes, function (node) { - if (node.modifiers && node.flags & modifierFlag) { - ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - function getFlagFromModifier(modifier) { - switch (modifier) { - case 112 /* PublicKeyword */: - return 8 /* Public */; - case 110 /* PrivateKeyword */: - return 16 /* Private */; - case 111 /* ProtectedKeyword */: - return 32 /* Protected */; - case 113 /* StaticKeyword */: - return 64 /* Static */; - case 82 /* ExportKeyword */: - return 2 /* Export */; - case 122 /* DeclareKeyword */: - return 4 /* Ambient */; - case 115 /* AbstractKeyword */: - return 128 /* Abstract */; - default: - ts.Debug.fail(); - } - } - } - function pushKeywordIf(keywordList, token) { - var expected = []; - for (var _i = 2; _i < arguments.length; _i++) { - expected[_i - 2] = arguments[_i]; - } - if (token && ts.contains(expected, token.kind)) { - keywordList.push(token); - return true; - } - return false; - } - function getGetAndSetOccurrences(accessorDeclaration) { - var keywords = []; - tryPushAccessorKeyword(accessorDeclaration.symbol, 146 /* GetAccessor */); - tryPushAccessorKeyword(accessorDeclaration.symbol, 147 /* SetAccessor */); - return ts.map(keywords, getHighlightSpanForNode); - function tryPushAccessorKeyword(accessorSymbol, accessorKind) { - var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); - if (accessor) { - ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123 /* GetKeyword */, 129 /* SetKeyword */); }); - } - } - } - function getConstructorOccurrences(constructorDeclaration) { - var declarations = constructorDeclaration.symbol.getDeclarations(); - var keywords = []; - ts.forEach(declarations, function (declaration) { - ts.forEach(declaration.getChildren(), function (token) { - return pushKeywordIf(keywords, token, 121 /* ConstructorKeyword */); - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getLoopBreakContinueOccurrences(loopNode) { - var keywords = []; - if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86 /* ForKeyword */, 104 /* WhileKeyword */, 79 /* DoKeyword */)) { - // If we succeeded and got a do-while loop, then start looking for a 'while' keyword. - if (loopNode.kind === 200 /* DoStatement */) { - var loopTokens = loopNode.getChildren(); - for (var i = loopTokens.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, loopTokens[i], 104 /* WhileKeyword */)) { - break; - } - } - } - } - var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(loopNode, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */, 75 /* ContinueKeyword */); - } - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { - var owner = getBreakOrContinueOwner(breakOrContinueStatement); - if (owner) { - switch (owner.kind) { - case 202 /* ForStatement */: - case 203 /* ForInStatement */: - case 204 /* ForOfStatement */: - case 200 /* DoStatement */: - case 201 /* WhileStatement */: - return getLoopBreakContinueOccurrences(owner); - case 209 /* SwitchStatement */: - return getSwitchCaseDefaultOccurrences(owner); - } - } - return undefined; - } - function getSwitchCaseDefaultOccurrences(switchStatement) { - var keywords = []; - pushKeywordIf(keywords, switchStatement.getFirstToken(), 96 /* SwitchKeyword */); - // Go through each clause in the switch statement, collecting the 'case'/'default' keywords. - ts.forEach(switchStatement.caseBlock.clauses, function (clause) { - pushKeywordIf(keywords, clause.getFirstToken(), 71 /* CaseKeyword */, 77 /* DefaultKeyword */); - var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); - ts.forEach(breaksAndContinues, function (statement) { - if (ownsBreakOrContinueStatement(switchStatement, statement)) { - pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */); - } - }); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getTryCatchFinallyOccurrences(tryStatement) { - var keywords = []; - pushKeywordIf(keywords, tryStatement.getFirstToken(), 100 /* TryKeyword */); - if (tryStatement.catchClause) { - pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72 /* CatchKeyword */); - } - if (tryStatement.finallyBlock) { - var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); - pushKeywordIf(keywords, finallyKeyword, 85 /* FinallyKeyword */); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getThrowOccurrences(throwStatement) { - var owner = getThrowStatementOwner(throwStatement); - if (!owner) { - return undefined; - } - var keywords = []; - ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); - }); - // If the "owner" is a function, then we equate 'return' and 'throw' statements in their - // ability to "jump out" of the function, and include occurrences for both. - if (ts.isFunctionBlock(owner)) { - ts.forEachReturnStatement(owner, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); - }); - } - return ts.map(keywords, getHighlightSpanForNode); - } - function getReturnOccurrences(returnStatement) { - var func = ts.getContainingFunction(returnStatement); - // If we didn't find a containing function with a block body, bail out. - if (!(func && hasKind(func.body, 195 /* Block */))) { - return undefined; - } - var keywords = []; - ts.forEachReturnStatement(func.body, function (returnStatement) { - pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); - }); - // Include 'throw' statements that do not occur within a try block. - ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { - pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); - }); - return ts.map(keywords, getHighlightSpanForNode); - } - function getIfElseOccurrences(ifStatement) { - var keywords = []; - // Traverse upwards through all parent if-statements linked by their else-branches. - while (hasKind(ifStatement.parent, 199 /* IfStatement */) && ifStatement.parent.elseStatement === ifStatement) { - ifStatement = ifStatement.parent; - } - // Now traverse back down through the else branches, aggregating if/else keywords of if-statements. - while (ifStatement) { - var children = ifStatement.getChildren(); - pushKeywordIf(keywords, children[0], 88 /* IfKeyword */); - // Generally the 'else' keyword is second-to-last, so we traverse backwards. - for (var i = children.length - 1; i >= 0; i--) { - if (pushKeywordIf(keywords, children[i], 80 /* ElseKeyword */)) { - break; - } - } - if (!hasKind(ifStatement.elseStatement, 199 /* IfStatement */)) { - break; - } - ifStatement = ifStatement.elseStatement; - } - var result = []; - // We'd like to highlight else/ifs together if they are only separated by whitespace - // (i.e. the keywords are separated by no comments, no newlines). - for (var i = 0; i < keywords.length; i++) { - if (keywords[i].kind === 80 /* ElseKeyword */ && i < keywords.length - 1) { - var elseKeyword = keywords[i]; - var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword. - var shouldCombindElseAndIf = true; - // Avoid recalculating getStart() by iterating backwards. - for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { - if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { - shouldCombindElseAndIf = false; - break; - } - } - if (shouldCombindElseAndIf) { - result.push({ - fileName: fileName, - textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), - kind: HighlightSpanKind.reference - }); - i++; // skip the next keyword - continue; - } - } - // Ordinary case: just highlight the keyword. - result.push(getHighlightSpanForNode(keywords[i])); - } - return result; - } - } - } - /// References and Occurrences - function getOccurrencesAtPositionCore(fileName, position) { - synchronizeHostData(); - return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); - function convertDocumentHighlights(documentHighlights) { - if (!documentHighlights) { - return undefined; - } - var result = []; - for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { - var entry = documentHighlights_1[_i]; - for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { - var highlightSpan = _b[_a]; - result.push({ - fileName: entry.fileName, - textSpan: highlightSpan.textSpan, - isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference - }); - } - } - return result; - } - } - function convertReferences(referenceSymbols) { - if (!referenceSymbols) { - return undefined; - } - var referenceEntries = []; - for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { - var referenceSymbol = referenceSymbols_1[_i]; - ts.addRange(referenceEntries, referenceSymbol.references); - } - return referenceEntries; - } - function findRenameLocations(fileName, position, findInStrings, findInComments) { - var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); - return convertReferences(referencedSymbols); - } - function getReferencesAtPosition(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); - return convertReferences(referencedSymbols); - } - function findReferences(fileName, position) { - var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); - // Only include referenced symbols that have a valid definition. - return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); - } - function findReferencedSymbols(fileName, position, findInStrings, findInComments) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var node = ts.getTouchingPropertyName(sourceFile, position); - if (!node) { - return undefined; - } - if (node.kind !== 69 /* Identifier */ && - // TODO (drosen): This should be enabled in a later release - currently breaks rename. - // node.kind !== SyntaxKind.ThisKeyword && - // node.kind !== SyntaxKind.SuperKeyword && - !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && - !isNameOfExternalModuleImportOrDeclaration(node)) { - return undefined; - } - ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 8 /* NumericLiteral */ || node.kind === 9 /* StringLiteral */); - return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); - } - function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { - var typeChecker = program.getTypeChecker(); - // Labels - if (isLabelName(node)) { - if (isJumpStatementTarget(node)) { - var labelDefinition = getTargetLabel(node.parent, node.text); - // if we have a label definition, look within its statement for references, if not, then - // the label is undefined and we have no results.. - return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; - } - else { - // it is a label definition and not a target, search within the parent labeledStatement - return getLabelReferencesInNode(node.parent, node); - } - } - if (node.kind === 97 /* ThisKeyword */ || node.kind === 162 /* ThisType */) { - return getReferencesForThisKeyword(node, sourceFiles); - } - if (node.kind === 95 /* SuperKeyword */) { - return getReferencesForSuperKeyword(node); - } - var symbol = typeChecker.getSymbolAtLocation(node); - // Could not find a symbol e.g. unknown identifier - if (!symbol) { - // Can't have references to something that we have no symbol for. - return undefined; - } - var declarations = symbol.declarations; - // The symbol was an internal symbol and does not have a declaration e.g. undefined symbol - if (!declarations || !declarations.length) { - return undefined; - } - var result; - // Compute the meaning from the location and the symbol it references - var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); - // Get the text to search for. - // Note: if this is an external module symbol, the name doesn't include quotes. - var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - // Try to get the smallest valid scope that we can limit our search to; - // otherwise we'll need to search globally (i.e. include each file). - var scope = getSymbolScope(symbol); - // Maps from a symbol ID to the ReferencedSymbol entry in 'result'. - var symbolToIndex = []; - if (scope) { - result = []; - getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - else { - var internedName = getInternedName(symbol, node, declarations); - for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { - var sourceFile = sourceFiles_3[_i]; - cancellationToken.throwIfCancellationRequested(); - var nameTable = getNameTable(sourceFile); - if (ts.lookUp(nameTable, internedName) !== undefined) { - result = result || []; - getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); - } - } - } - return result; - function getDefinition(symbol) { - var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); - var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); - var declarations = symbol.declarations; - if (!declarations || declarations.length === 0) { - return undefined; - } - return { - containerKind: "", - containerName: "", - name: name, - kind: info.symbolKind, - fileName: declarations[0].getSourceFile().fileName, - textSpan: ts.createTextSpan(declarations[0].getStart(), 0) - }; - } - function isImportSpecifierSymbol(symbol) { - return (symbol.flags & 8388608 /* Alias */) && !!ts.getDeclarationOfKind(symbol, 229 /* ImportSpecifier */); - } - function getInternedName(symbol, location, declarations) { - // If this is an export or import specifier it could have been renamed using the 'as' syntax. - // If so we want to search for whatever under the cursor. - if (ts.isImportOrExportSpecifierName(location)) { - return location.getText(); - } - // Try to get the local symbol if we're dealing with an 'export default' - // since that symbol has the "true" name. - var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); - symbol = localExportDefaultSymbol || symbol; - return ts.stripQuotes(symbol.name); - } - /** - * Determines the smallest scope in which a symbol may have named references. - * Note that not every construct has been accounted for. This function can - * probably be improved. - * - * @returns undefined if the scope cannot be determined, implying that - * a reference to a symbol can occur anywhere. - */ - function getSymbolScope(symbol) { - // If this is the symbol of a named function expression or named class expression, - // then named references are limited to its own scope. - var valueDeclaration = symbol.valueDeclaration; - if (valueDeclaration && (valueDeclaration.kind === 176 /* FunctionExpression */ || valueDeclaration.kind === 189 /* ClassExpression */)) { - return valueDeclaration; - } - // If this is private property or method, the scope is the containing class - if (symbol.flags & (4 /* Property */ | 8192 /* Method */)) { - var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16 /* Private */) ? d : undefined; }); - if (privateDeclaration) { - return ts.getAncestor(privateDeclaration, 217 /* ClassDeclaration */); - } - } - // If the symbol is an import we would like to find it if we are looking for what it imports. - // So consider it visibile outside its declaration scope. - if (symbol.flags & 8388608 /* Alias */) { - return undefined; - } - // if this symbol is visible from its parent container, e.g. exported, then bail out - // if symbol correspond to the union property - bail out - if (symbol.parent || (symbol.flags & 268435456 /* SyntheticProperty */)) { - return undefined; - } - var scope; - var declarations = symbol.getDeclarations(); - if (declarations) { - for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { - var declaration = declarations_8[_i]; - var container = getContainerNode(declaration); - if (!container) { - return undefined; - } - if (scope && scope !== container) { - // Different declarations have different containers, bail out - return undefined; - } - if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { - // This is a global variable and not an external module, any declaration defined - // within this scope is visible outside the file - return undefined; - } - // The search scope is the container node - scope = container; - } - } - return scope; - } - function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { - var positions = []; - /// TODO: Cache symbol existence for files to save text search - // Also, need to make this work for unicode escapes. - // Be resilient in the face of a symbol with no name or zero length name - if (!symbolName || !symbolName.length) { - return positions; - } - var text = sourceFile.text; - var sourceLength = text.length; - var symbolNameLength = symbolName.length; - var position = text.indexOf(symbolName, start); - while (position >= 0) { - cancellationToken.throwIfCancellationRequested(); - // If we are past the end, stop looking - if (position > end) - break; - // We found a match. Make sure it's not part of a larger word (i.e. the char - // before and after it have to be a non-identifier char). - var endPosition = position + symbolNameLength; - if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2 /* Latest */)) && - (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2 /* Latest */))) { - // Found a real match. Keep searching. - positions.push(position); - } - position = text.indexOf(symbolName, position + symbolNameLength + 1); - } - return positions; - } - function getLabelReferencesInNode(container, targetLabel) { - var references = []; - var sourceFile = container.getSourceFile(); - var labelName = targetLabel.text; - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.getWidth() !== labelName.length) { - return; - } - // Only pick labels that are either the target label, or have a target that is the target label - if (node === targetLabel || - (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = { - containerKind: "", - containerName: "", - fileName: targetLabel.getSourceFile().fileName, - kind: ScriptElementKind.label, - name: labelName, - textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) - }; - return [{ definition: definition, references: references }]; - } - function isValidReferencePosition(node, searchSymbolName) { - if (node) { - // Compare the length so we filter out strict superstrings of the symbol we are looking for - switch (node.kind) { - case 69 /* Identifier */: - return node.getWidth() === searchSymbolName.length; - case 9 /* StringLiteral */: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || - isNameOfExternalModuleImportOrDeclaration(node)) { - // For string literals we have two additional chars for the quotes - return node.getWidth() === searchSymbolName.length + 2; - } - break; - case 8 /* NumericLiteral */: - if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { - return node.getWidth() === searchSymbolName.length; - } - break; - } - } - return false; - } - /** Search within node "container" for references for a search value, where the search value is defined as a - * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning). - * searchLocation: a node where the search value - */ - function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { - var sourceFile = container.getSourceFile(); - var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { - var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); - referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); - } - } - }); - } - return; - function getReferencedSymbol(symbol) { - var symbolId = ts.getSymbolId(symbol); - var index = symbolToIndex[symbolId]; - if (index === undefined) { - index = result.length; - symbolToIndex[symbolId] = index; - result.push({ - definition: getDefinition(symbol), - references: [] - }); - } - return result[index]; - } - function isInNonReferenceComment(sourceFile, position) { - return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); - function isNonReferenceComment(c) { - var commentText = sourceFile.text.substring(c.pos, c.end); - return !tripleSlashDirectivePrefixRegex.test(commentText); - } - } - } - function getReferencesForSuperKeyword(superKeyword) { - var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false); - if (!searchSpaceNode) { - return undefined; - } - // Whether 'super' occurs in a static context within a class. - var staticFlag = 64 /* Static */; - switch (searchSpaceNode.kind) { - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class - break; - default: - return undefined; - } - var references = []; - var sourceFile = searchSpaceNode.getSourceFile(); - var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || node.kind !== 95 /* SuperKeyword */) { - return; - } - var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false); - // If we have a 'super' container, we must have an enclosing class. - // Now make sure the owning class is the same as the search-space - // and has the same static qualifier as the original 'super's owner. - if (container && (64 /* Static */ & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { - references.push(getReferenceEntryFromNode(node)); - } - }); - var definition = getDefinition(searchSpaceNode.symbol); - return [{ definition: definition, references: references }]; - } - function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { - var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false); - // Whether 'this' occurs in a static context within a class. - var staticFlag = 64 /* Static */; - switch (searchSpaceNode.kind) { - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (ts.isObjectLiteralMethod(searchSpaceNode)) { - break; - } - // fall through - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - staticFlag &= searchSpaceNode.flags; - searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class - break; - case 251 /* SourceFile */: - if (ts.isExternalModule(searchSpaceNode)) { - return undefined; - } - // Fall through - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - break; - // Computed properties in classes are not handled here because references to this are illegal, - // so there is no point finding references to them. - default: - return undefined; - } - var references = []; - var possiblePositions; - if (searchSpaceNode.kind === 251 /* SourceFile */) { - ts.forEach(sourceFiles, function (sourceFile) { - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); - getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); - }); - } - else { - var sourceFile = searchSpaceNode.getSourceFile(); - possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); - getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); - } - return [{ - definition: { - containerKind: "", - containerName: "", - fileName: node.getSourceFile().fileName, - kind: ScriptElementKind.variableElement, - name: "this", - textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) - }, - references: references - }]; - function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { - ts.forEach(possiblePositions, function (position) { - cancellationToken.throwIfCancellationRequested(); - var node = ts.getTouchingWord(sourceFile, position); - if (!node || (node.kind !== 97 /* ThisKeyword */ && node.kind !== 162 /* ThisType */)) { - return; - } - var container = ts.getThisContainer(node, /* includeArrowFunctions */ false); - switch (searchSpaceNode.kind) { - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - if (searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 189 /* ClassExpression */: - case 217 /* ClassDeclaration */: - // Make sure the container belongs to the same class - // and has the appropriate static modifier from the original container. - if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64 /* Static */) === staticFlag) { - result.push(getReferenceEntryFromNode(node)); - } - break; - case 251 /* SourceFile */: - if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { - result.push(getReferenceEntryFromNode(node)); - } - break; - } - }); - } - } - function populateSearchSymbolSet(symbol, location) { - // The search set contains at least the current symbol - var result = [symbol]; - // If the symbol is an alias, add what it alaises to the list - if (isImportSpecifierSymbol(symbol)) { - result.push(typeChecker.getAliasedSymbol(symbol)); - } - // For export specifiers, the exported name can be refering to a local symbol, e.g.: - // import {a} from "mod"; - // export {a as somethingElse} - // We want the *local* declaration of 'a' as declared in the import, - // *not* as declared within "mod" (or farther) - if (location.parent.kind === 233 /* ExportSpecifier */) { - result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); - } - // If the location is in a context sensitive location (i.e. in an object literal) try - // to get a contextual type for it, and add the property symbol from the contextual - // type to the search set - if (isNameOfPropertyAssignment(location)) { - ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { - ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); - }); - /* Because in short-hand property assignment, location has two meaning : property name and as value of the property - * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of - * property name and variable declaration of the identifier. - * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service - * should show both 'name' in 'obj' and 'name' in variable declaration - * const name = "Foo"; - * const obj = { name }; - * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment - * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration - * will be included correctly. - */ - var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); - if (shorthandValueSymbol) { - result.push(shorthandValueSymbol); - } - } - // If the symbol.valueDeclaration is a property parameter declaration, - // we should include both parameter declaration symbol and property declaration symbol - // Parameter Declaration symbol is only visible within function scope, so the symbol is stored in contructor.locals. - // Property Declaration symbol is a member of the class, so the symbol is stored in its class Declaration.symbol.members - if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 /* Parameter */ && - ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { - result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); - } - // If this is a union property, add all the symbols from all its source symbols in all unioned types. - // If the symbol is an instantiation from a another symbol (e.g. widened symbol) , add the root the list - ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { - if (rootSymbol !== symbol) { - result.push(rootSymbol); - } - // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions - if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, /*previousIterationSymbolsCache*/ {}); - } - }); - return result; - } - /** - * Find symbol of the given property-name and add the symbol to the given result array - * @param symbol a symbol to start searching for the given propertyName - * @param propertyName a name of property to serach for - * @param result an array of symbol of found property symbols - * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisitng of the same symbol. - * The value of previousIterationSymbol is undefined when the function is first called. - */ - function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { - if (!symbol) { - return; - } - // If the current symbol is the same as the previous-iteration symbol, we can just return the symbol that has already been visited - // This is particularly important for the following cases, so that we do not infinitely visit the same symbol. - // For example: - // interface C extends C { - // /*findRef*/propName: string; - // } - // The first time getPropertySymbolsFromBaseTypes is called when finding-all-references at propName, - // the symbol argument will be the symbol of an interface "C" and previousIterationSymbol is undefined, - // the function will add any found symbol of the property-name, then its sub-routine will call - // getPropertySymbolsFromBaseTypes again to walk up any base types to prevent revisiting already - // visited symbol, interface "C", the sub-routine will pass the current symbol as previousIterationSymbol. - if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { - return; - } - if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { - ts.forEach(symbol.getDeclarations(), function (declaration) { - if (declaration.kind === 217 /* ClassDeclaration */) { - getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); - ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); - } - else if (declaration.kind === 218 /* InterfaceDeclaration */) { - ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); - } - }); - } - return; - function getPropertySymbolFromTypeReference(typeReference) { - if (typeReference) { - var type = typeChecker.getTypeAtLocation(typeReference); - if (type) { - var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); - if (propertySymbol) { - result.push(propertySymbol); - } - // Visit the typeReference as well to see if it directly or indirectly use that property - previousIterationSymbolsCache[symbol.name] = symbol; - getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); - } - } - } - } - function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { - if (searchSymbols.indexOf(referenceSymbol) >= 0) { - return referenceSymbol; - } - // If the reference symbol is an alias, check if what it is aliasing is one of the search - // symbols. - if (isImportSpecifierSymbol(referenceSymbol)) { - var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - // For export specifiers, it can be a local symbol, e.g. - // import {a} from "mod"; - // export {a as somethingElse} - // We want the local target of the export (i.e. the import symbol) and not the final target (i.e. "mod".a) - if (referenceLocation.parent.kind === 233 /* ExportSpecifier */) { - var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); - if (searchSymbols.indexOf(aliasedSymbol) >= 0) { - return aliasedSymbol; - } - } - // If the reference location is in an object literal, try to get the contextual type for the - // object literal, lookup the property symbol in the contextual type, and use this symbol to - // compare to our searchSymbol - if (isNameOfPropertyAssignment(referenceLocation)) { - return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { - return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - }); - } - // Unwrap symbols to get to the root (e.g. transient symbols as a result of widening) - // Or a union property, use its underlying unioned symbols - return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { - // if it is in the list, then we are done - if (searchSymbols.indexOf(rootSymbol) >= 0) { - return rootSymbol; - } - // Finally, try all properties with the same name in any type the containing type extended or implemented, and - // see if any is in the list - if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { - var result_5 = []; - getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, /*previousIterationSymbolsCache*/ {}); - return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); - } - return undefined; - }); - } - function getPropertySymbolsFromContextualType(node) { - if (isNameOfPropertyAssignment(node)) { - var objectLiteral = node.parent.parent; - var contextualType = typeChecker.getContextualType(objectLiteral); - var name_37 = node.text; - if (contextualType) { - if (contextualType.flags & 16384 /* Union */) { - // This is a union type, first see if the property we are looking for is a union property (i.e. exists in all types) - // if not, search the constituent types for the property - var unionProperty = contextualType.getProperty(name_37); - if (unionProperty) { - return [unionProperty]; - } - else { - var result_6 = []; - ts.forEach(contextualType.types, function (t) { - var symbol = t.getProperty(name_37); - if (symbol) { - result_6.push(symbol); - } - }); - return result_6; - } - } - else { - var symbol_1 = contextualType.getProperty(name_37); - if (symbol_1) { - return [symbol_1]; - } - } - } - } - return undefined; - } - /** Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations - * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class - * then we need to widen the search to include type positions as well. - * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated - * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module) - * do not intersect in any of the three spaces. - */ - function getIntersectingMeaningFromDeclarations(meaning, declarations) { - if (declarations) { - var lastIterationMeaning = void 0; - do { - // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module] - // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module - // intersects with the class in the value space. - // To achieve that we will keep iterating until the result stabilizes. - // Remember the last meaning - lastIterationMeaning = meaning; - for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { - var declaration = declarations_9[_i]; - var declarationMeaning = getMeaningFromDeclaration(declaration); - if (declarationMeaning & meaning) { - meaning |= declarationMeaning; - } - } - } while (meaning !== lastIterationMeaning); - } - return meaning; - } - } - function getReferenceEntryFromNode(node) { - var start = node.getStart(); - var end = node.getEnd(); - if (node.kind === 9 /* StringLiteral */) { - start += 1; - end -= 1; - } - return { - fileName: node.getSourceFile().fileName, - textSpan: ts.createTextSpanFromBounds(start, end), - isWriteAccess: isWriteAccess(node) - }; - } - /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */ - function isWriteAccess(node) { - if (node.kind === 69 /* Identifier */ && ts.isDeclarationName(node)) { - return true; - } - var parent = node.parent; - if (parent) { - if (parent.kind === 183 /* PostfixUnaryExpression */ || parent.kind === 182 /* PrefixUnaryExpression */) { - return true; - } - else if (parent.kind === 184 /* BinaryExpression */ && parent.left === node) { - var operator = parent.operatorToken.kind; - return 56 /* FirstAssignment */ <= operator && operator <= 68 /* LastAssignment */; - } - } - return false; - } - /// NavigateTo - function getNavigateToItems(searchValue, maxResultCount) { - synchronizeHostData(); - return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); - } - function getEmitOutput(fileName) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var outputFiles = []; - function writeFile(fileName, data, writeByteOrderMark) { - outputFiles.push({ - name: fileName, - writeByteOrderMark: writeByteOrderMark, - text: data - }); - } - var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); - return { - outputFiles: outputFiles, - emitSkipped: emitOutput.emitSkipped - }; - } - function getMeaningFromDeclaration(node) { - switch (node.kind) { - case 139 /* Parameter */: - case 214 /* VariableDeclaration */: - case 166 /* BindingElement */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - case 248 /* PropertyAssignment */: - case 249 /* ShorthandPropertyAssignment */: - case 250 /* EnumMember */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 145 /* Constructor */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 216 /* FunctionDeclaration */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - case 247 /* CatchClause */: - return 1 /* Value */; - case 138 /* TypeParameter */: - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - case 156 /* TypeLiteral */: - return 2 /* Type */; - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - return 1 /* Value */ | 2 /* Type */; - case 221 /* ModuleDeclaration */: - if (ts.isAmbientModule(node)) { - return 4 /* Namespace */ | 1 /* Value */; - } - else if (ts.getModuleInstanceState(node) === 1 /* Instantiated */) { - return 4 /* Namespace */ | 1 /* Value */; - } - else { - return 4 /* Namespace */; - } - case 228 /* NamedImports */: - case 229 /* ImportSpecifier */: - case 224 /* ImportEqualsDeclaration */: - case 225 /* ImportDeclaration */: - case 230 /* ExportAssignment */: - case 231 /* ExportDeclaration */: - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - // An external module can be a Value - case 251 /* SourceFile */: - return 4 /* Namespace */ | 1 /* Value */; - } - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - function isTypeReference(node) { - if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { - node = node.parent; - } - return node.parent.kind === 152 /* TypeReference */ || - (node.parent.kind === 191 /* ExpressionWithTypeArguments */ && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || - (node.kind === 97 /* ThisKeyword */ && !ts.isExpression(node)) || - node.kind === 162 /* ThisType */; - } - function isNamespaceReference(node) { - return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); - } - function isPropertyAccessNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 169 /* PropertyAccessExpression */) { - while (root.parent && root.parent.kind === 169 /* PropertyAccessExpression */) { - root = root.parent; - } - isLastClause = root.name === node; - } - if (!isLastClause && root.parent.kind === 191 /* ExpressionWithTypeArguments */ && root.parent.parent.kind === 246 /* HeritageClause */) { - var decl = root.parent.parent.parent; - return (decl.kind === 217 /* ClassDeclaration */ && root.parent.parent.token === 106 /* ImplementsKeyword */) || - (decl.kind === 218 /* InterfaceDeclaration */ && root.parent.parent.token === 83 /* ExtendsKeyword */); - } - return false; - } - function isQualifiedNameNamespaceReference(node) { - var root = node; - var isLastClause = true; - if (root.parent.kind === 136 /* QualifiedName */) { - while (root.parent && root.parent.kind === 136 /* QualifiedName */) { - root = root.parent; - } - isLastClause = root.right === node; - } - return root.parent.kind === 152 /* TypeReference */ && !isLastClause; - } - function isInRightSideOfImport(node) { - while (node.parent.kind === 136 /* QualifiedName */) { - node = node.parent; - } - return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; - } - function getMeaningFromRightHandSideOfImportEquals(node) { - ts.Debug.assert(node.kind === 69 /* Identifier */); - // import a = |b|; // Namespace - // import a = |b.c|; // Value, type, namespace - // import a = |b.c|.d; // Namespace - if (node.parent.kind === 136 /* QualifiedName */ && - node.parent.right === node && - node.parent.parent.kind === 224 /* ImportEqualsDeclaration */) { - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - return 4 /* Namespace */; - } - function getMeaningFromLocation(node) { - if (node.parent.kind === 230 /* ExportAssignment */) { - return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; - } - else if (isInRightSideOfImport(node)) { - return getMeaningFromRightHandSideOfImportEquals(node); - } - else if (ts.isDeclarationName(node)) { - return getMeaningFromDeclaration(node.parent); - } - else if (isTypeReference(node)) { - return 2 /* Type */; - } - else if (isNamespaceReference(node)) { - return 4 /* Namespace */; - } - else { - return 1 /* Value */; - } - } - // Signature help - /** - * This is a semantic operation. - */ - function getSignatureHelpItems(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); - } - /// Syntactic features - function getSourceFile(fileName) { - return syntaxTreeCache.getCurrentSourceFile(fileName); - } - function getNameOrDottedNameSpan(fileName, startPos, endPos) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - // Get node at the location - var node = ts.getTouchingPropertyName(sourceFile, startPos); - if (!node) { - return; - } - switch (node.kind) { - case 169 /* PropertyAccessExpression */: - case 136 /* QualifiedName */: - case 9 /* StringLiteral */: - case 163 /* StringLiteralType */: - case 84 /* FalseKeyword */: - case 99 /* TrueKeyword */: - case 93 /* NullKeyword */: - case 95 /* SuperKeyword */: - case 97 /* ThisKeyword */: - case 162 /* ThisType */: - case 69 /* Identifier */: - break; - // Cant create the text span - default: - return; - } - var nodeForStartPos = node; - while (true) { - if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { - // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node - nodeForStartPos = nodeForStartPos.parent; - } - else if (isNameOfModuleDeclaration(nodeForStartPos)) { - // If this is name of a module declarations, check if this is right side of dotted module name - // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of - // Then this name is name from dotted module - if (nodeForStartPos.parent.parent.kind === 221 /* ModuleDeclaration */ && - nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { - // Use parent module declarations name for start pos - nodeForStartPos = nodeForStartPos.parent.parent.name; - } - else { - // We have to use this name for start pos - break; - } - } - else { - // Is not a member expression so we have found the node for start pos - break; - } - } - return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); - } - function getBreakpointStatementAtPosition(fileName, position) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); - } - function getNavigationBarItems(fileName) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); - } - function getSemanticClassifications(fileName, span) { - return convertClassifications(getEncodedSemanticClassifications(fileName, span)); - } - function checkForClassificationCancellation(kind) { - // We don't want to actually call back into our host on every node to find out if we've - // been canceled. That would be an enormous amount of chattyness, along with the all - // the overhead of marshalling the data to/from the host. So instead we pick a few - // reasonable node kinds to bother checking on. These node kinds represent high level - // constructs that we would expect to see commonly, but just at a far less frequent - // interval. - // - // For example, in checker.ts (around 750k) we only have around 600 of these constructs. - // That means we're calling back into the host around every 1.2k of the file we process. - // Lib.d.ts has similar numbers. - switch (kind) { - case 221 /* ModuleDeclaration */: - case 217 /* ClassDeclaration */: - case 218 /* InterfaceDeclaration */: - case 216 /* FunctionDeclaration */: - cancellationToken.throwIfCancellationRequested(); - } - } - function getEncodedSemanticClassifications(fileName, span) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var result = []; - var classifiableNames = program.getClassifiableNames(); - processNode(sourceFile); - return { spans: result, endOfLineState: 0 /* None */ }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifySymbol(symbol, meaningAtPosition) { - var flags = symbol.getFlags(); - if ((flags & 788448 /* Classifiable */) === 0 /* None */) { - return; - } - if (flags & 32 /* Class */) { - return 11 /* className */; - } - else if (flags & 384 /* Enum */) { - return 12 /* enumName */; - } - else if (flags & 524288 /* TypeAlias */) { - return 16 /* typeAliasName */; - } - else if (meaningAtPosition & 2 /* Type */) { - if (flags & 64 /* Interface */) { - return 13 /* interfaceName */; - } - else if (flags & 262144 /* TypeParameter */) { - return 15 /* typeParameterName */; - } - } - else if (flags & 1536 /* Module */) { - // Only classify a module as such if - // - It appears in a namespace context. - // - There exists a module declaration which actually impacts the value side. - if (meaningAtPosition & 4 /* Namespace */ || - (meaningAtPosition & 1 /* Value */ && hasValueSideModule(symbol))) { - return 14 /* moduleName */; - } - } - return undefined; - /** - * Returns true if there exists a module that introduces entities on the value side. - */ - function hasValueSideModule(symbol) { - return ts.forEach(symbol.declarations, function (declaration) { - return declaration.kind === 221 /* ModuleDeclaration */ && - ts.getModuleInstanceState(declaration) === 1 /* Instantiated */; - }); - } - } - function processNode(node) { - // Only walk into nodes that intersect the requested span. - if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { - var kind = node.kind; - checkForClassificationCancellation(kind); - if (kind === 69 /* Identifier */ && !ts.nodeIsMissing(node)) { - var identifier = node; - // Only bother calling into the typechecker if this is an identifier that - // could possibly resolve to a type name. This makes classification run - // in a third of the time it would normally take. - if (classifiableNames[identifier.text]) { - var symbol = typeChecker.getSymbolAtLocation(node); - if (symbol) { - var type = classifySymbol(symbol, getMeaningFromLocation(node)); - if (type) { - pushClassification(node.getStart(), node.getWidth(), type); - } - } - } - } - ts.forEachChild(node, processNode); - } - } - } - function getClassificationTypeName(type) { - switch (type) { - case 1 /* comment */: return ClassificationTypeNames.comment; - case 2 /* identifier */: return ClassificationTypeNames.identifier; - case 3 /* keyword */: return ClassificationTypeNames.keyword; - case 4 /* numericLiteral */: return ClassificationTypeNames.numericLiteral; - case 5 /* operator */: return ClassificationTypeNames.operator; - case 6 /* stringLiteral */: return ClassificationTypeNames.stringLiteral; - case 8 /* whiteSpace */: return ClassificationTypeNames.whiteSpace; - case 9 /* text */: return ClassificationTypeNames.text; - case 10 /* punctuation */: return ClassificationTypeNames.punctuation; - case 11 /* className */: return ClassificationTypeNames.className; - case 12 /* enumName */: return ClassificationTypeNames.enumName; - case 13 /* interfaceName */: return ClassificationTypeNames.interfaceName; - case 14 /* moduleName */: return ClassificationTypeNames.moduleName; - case 15 /* typeParameterName */: return ClassificationTypeNames.typeParameterName; - case 16 /* typeAliasName */: return ClassificationTypeNames.typeAliasName; - case 17 /* parameterName */: return ClassificationTypeNames.parameterName; - case 18 /* docCommentTagName */: return ClassificationTypeNames.docCommentTagName; - case 19 /* jsxOpenTagName */: return ClassificationTypeNames.jsxOpenTagName; - case 20 /* jsxCloseTagName */: return ClassificationTypeNames.jsxCloseTagName; - case 21 /* jsxSelfClosingTagName */: return ClassificationTypeNames.jsxSelfClosingTagName; - case 22 /* jsxAttribute */: return ClassificationTypeNames.jsxAttribute; - case 23 /* jsxText */: return ClassificationTypeNames.jsxText; - case 24 /* jsxAttributeStringLiteralValue */: return ClassificationTypeNames.jsxAttributeStringLiteralValue; - } - } - function convertClassifications(classifications) { - ts.Debug.assert(classifications.spans.length % 3 === 0); - var dense = classifications.spans; - var result = []; - for (var i = 0, n = dense.length; i < n; i += 3) { - result.push({ - textSpan: ts.createTextSpan(dense[i], dense[i + 1]), - classificationType: getClassificationTypeName(dense[i + 2]) - }); - } - return result; - } - function getSyntacticClassifications(fileName, span) { - return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); - } - function getEncodedSyntacticClassifications(fileName, span) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var spanStart = span.start; - var spanLength = span.length; - // Make a scanner we can get trivia from. - var triviaScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); - var mergeConflictScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); - var result = []; - processElement(sourceFile); - return { spans: result, endOfLineState: 0 /* None */ }; - function pushClassification(start, length, type) { - result.push(start); - result.push(length); - result.push(type); - } - function classifyLeadingTriviaAndGetTokenStart(token) { - triviaScanner.setTextPos(token.pos); - while (true) { - var start = triviaScanner.getTextPos(); - // only bother scanning if we have something that could be trivia. - if (!ts.couldStartTrivia(sourceFile.text, start)) { - return start; - } - var kind = triviaScanner.scan(); - var end = triviaScanner.getTextPos(); - var width = end - start; - // The moment we get something that isn't trivia, then stop processing. - if (!ts.isTrivia(kind)) { - return start; - } - // Don't bother with newlines/whitespace. - if (kind === 4 /* NewLineTrivia */ || kind === 5 /* WhitespaceTrivia */) { - continue; - } - // Only bother with the trivia if it at least intersects the span of interest. - if (ts.isComment(kind)) { - classifyComment(token, kind, start, width); - // Classifying a comment might cause us to reuse the trivia scanner - // (because of jsdoc comments). So after we classify the comment make - // sure we set the scanner position back to where it needs to be. - triviaScanner.setTextPos(end); - continue; - } - if (kind === 7 /* ConflictMarkerTrivia */) { - var text = sourceFile.text; - var ch = text.charCodeAt(start); - // for the <<<<<<< and >>>>>>> markers, we just add them in as comments - // in the classification stream. - if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { - pushClassification(start, width, 1 /* comment */); - continue; - } - // for the ======== add a comment for the first line, and then lex all - // subsequent lines up until the end of the conflict marker. - ts.Debug.assert(ch === 61 /* equals */); - classifyDisabledMergeCode(text, start, end); - } - } - } - function classifyComment(token, kind, start, width) { - if (kind === 3 /* MultiLineCommentTrivia */) { - // See if this is a doc comment. If so, we'll classify certain portions of it - // specially. - var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); - if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { - docCommentAndDiagnostics.jsDocComment.parent = token; - classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); - return; - } - } - // Simple comment. Just add as is. - pushCommentRange(start, width); - } - function pushCommentRange(start, width) { - pushClassification(start, width, 1 /* comment */); - } - function classifyJSDocComment(docComment) { - var pos = docComment.pos; - for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { - var tag = _a[_i]; - // As we walk through each tag, classify the portion of text from the end of - // the last tag (or the start of the entire doc comment) as 'comment'. - if (tag.pos !== pos) { - pushCommentRange(pos, tag.pos - pos); - } - pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10 /* punctuation */); - pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* docCommentTagName */); - pos = tag.tagName.end; - switch (tag.kind) { - case 270 /* JSDocParameterTag */: - processJSDocParameterTag(tag); - break; - case 273 /* JSDocTemplateTag */: - processJSDocTemplateTag(tag); - break; - case 272 /* JSDocTypeTag */: - processElement(tag.typeExpression); - break; - case 271 /* JSDocReturnTag */: - processElement(tag.typeExpression); - break; - } - pos = tag.end; - } - if (pos !== docComment.end) { - pushCommentRange(pos, docComment.end - pos); - } - return; - function processJSDocParameterTag(tag) { - if (tag.preParameterName) { - pushCommentRange(pos, tag.preParameterName.pos - pos); - pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17 /* parameterName */); - pos = tag.preParameterName.end; - } - if (tag.typeExpression) { - pushCommentRange(pos, tag.typeExpression.pos - pos); - processElement(tag.typeExpression); - pos = tag.typeExpression.end; - } - if (tag.postParameterName) { - pushCommentRange(pos, tag.postParameterName.pos - pos); - pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17 /* parameterName */); - pos = tag.postParameterName.end; - } - } - } - function processJSDocTemplateTag(tag) { - for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { - var child = _a[_i]; - processElement(child); - } - } - function classifyDisabledMergeCode(text, start, end) { - // Classify the line that the ======= marker is on as a comment. Then just lex - // all further tokens and add them to the result. - var i; - for (i = start; i < end; i++) { - if (ts.isLineBreak(text.charCodeAt(i))) { - break; - } - } - pushClassification(start, i - start, 1 /* comment */); - mergeConflictScanner.setTextPos(i); - while (mergeConflictScanner.getTextPos() < end) { - classifyDisabledCodeToken(); - } - } - function classifyDisabledCodeToken() { - var start = mergeConflictScanner.getTextPos(); - var tokenKind = mergeConflictScanner.scan(); - var end = mergeConflictScanner.getTextPos(); - var type = classifyTokenType(tokenKind); - if (type) { - pushClassification(start, end - start, type); - } - } - /** - * Returns true if node should be treated as classified and no further processing is required. - * False will mean that node is not classified and traverse routine should recurse into node contents. - */ - function tryClassifyNode(node) { - if (ts.nodeIsMissing(node)) { - return true; - } - var classifiedElementName = tryClassifyJsxElementName(node); - if (!ts.isToken(node) && node.kind !== 239 /* JsxText */ && classifiedElementName === undefined) { - return false; - } - var tokenStart = node.kind === 239 /* JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); - var tokenWidth = node.end - tokenStart; - ts.Debug.assert(tokenWidth >= 0); - if (tokenWidth > 0) { - var type = classifiedElementName || classifyTokenType(node.kind, node); - if (type) { - pushClassification(tokenStart, tokenWidth, type); - } - } - return true; - } - function tryClassifyJsxElementName(token) { - switch (token.parent && token.parent.kind) { - case 238 /* JsxOpeningElement */: - if (token.parent.tagName === token) { - return 19 /* jsxOpenTagName */; - } - break; - case 240 /* JsxClosingElement */: - if (token.parent.tagName === token) { - return 20 /* jsxCloseTagName */; - } - break; - case 237 /* JsxSelfClosingElement */: - if (token.parent.tagName === token) { - return 21 /* jsxSelfClosingTagName */; - } - break; - case 241 /* JsxAttribute */: - if (token.parent.name === token) { - return 22 /* jsxAttribute */; - } - break; - } - return undefined; - } - // for accurate classification, the actual token should be passed in. however, for - // cases like 'disabled merge code' classification, we just get the token kind and - // classify based on that instead. - function classifyTokenType(tokenKind, token) { - if (ts.isKeyword(tokenKind)) { - return 3 /* keyword */; - } - // Special case < and > If they appear in a generic context they are punctuation, - // not operators. - if (tokenKind === 25 /* LessThanToken */ || tokenKind === 27 /* GreaterThanToken */) { - // If the node owning the token has a type argument list or type parameter list, then - // we can effectively assume that a '<' and '>' belong to those lists. - if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { - return 10 /* punctuation */; - } - } - if (ts.isPunctuation(tokenKind)) { - if (token) { - if (tokenKind === 56 /* EqualsToken */) { - // the '=' in a variable declaration is special cased here. - if (token.parent.kind === 214 /* VariableDeclaration */ || - token.parent.kind === 142 /* PropertyDeclaration */ || - token.parent.kind === 139 /* Parameter */ || - token.parent.kind === 241 /* JsxAttribute */) { - return 5 /* operator */; - } - } - if (token.parent.kind === 184 /* BinaryExpression */ || - token.parent.kind === 182 /* PrefixUnaryExpression */ || - token.parent.kind === 183 /* PostfixUnaryExpression */ || - token.parent.kind === 185 /* ConditionalExpression */) { - return 5 /* operator */; - } - } - return 10 /* punctuation */; - } - else if (tokenKind === 8 /* NumericLiteral */) { - return 4 /* numericLiteral */; - } - else if (tokenKind === 9 /* StringLiteral */ || tokenKind === 163 /* StringLiteralType */) { - return token.parent.kind === 241 /* JsxAttribute */ ? 24 /* jsxAttributeStringLiteralValue */ : 6 /* stringLiteral */; - } - else if (tokenKind === 10 /* RegularExpressionLiteral */) { - // TODO: we should get another classification type for these literals. - return 6 /* stringLiteral */; - } - else if (ts.isTemplateLiteralKind(tokenKind)) { - // TODO (drosen): we should *also* get another classification type for these literals. - return 6 /* stringLiteral */; - } - else if (tokenKind === 239 /* JsxText */) { - return 23 /* jsxText */; - } - else if (tokenKind === 69 /* Identifier */) { - if (token) { - switch (token.parent.kind) { - case 217 /* ClassDeclaration */: - if (token.parent.name === token) { - return 11 /* className */; - } - return; - case 138 /* TypeParameter */: - if (token.parent.name === token) { - return 15 /* typeParameterName */; - } - return; - case 218 /* InterfaceDeclaration */: - if (token.parent.name === token) { - return 13 /* interfaceName */; - } - return; - case 220 /* EnumDeclaration */: - if (token.parent.name === token) { - return 12 /* enumName */; - } - return; - case 221 /* ModuleDeclaration */: - if (token.parent.name === token) { - return 14 /* moduleName */; - } - return; - case 139 /* Parameter */: - if (token.parent.name === token) { - return 17 /* parameterName */; - } - return; - } - } - return 2 /* identifier */; - } - } - function processElement(element) { - if (!element) { - return; - } - // Ignore nodes that don't intersect the original span to classify. - if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { - checkForClassificationCancellation(element.kind); - var children = element.getChildren(sourceFile); - for (var i = 0, n = children.length; i < n; i++) { - var child = children[i]; - if (!tryClassifyNode(child)) { - // Recurse into our child nodes. - processElement(child); - } - } - } - } - } - function getOutliningSpans(fileName) { - // doesn't use compiler - no need to synchronize with host - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.OutliningElementsCollector.collectElements(sourceFile); - } - function getBraceMatchingAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - var result = []; - var token = ts.getTouchingToken(sourceFile, position); - if (token.getStart(sourceFile) === position) { - var matchKind = getMatchingTokenKind(token); - // Ensure that there is a corresponding token to match ours. - if (matchKind) { - var parentElement = token.parent; - var childNodes = parentElement.getChildren(sourceFile); - for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { - var current = childNodes_1[_i]; - if (current.kind === matchKind) { - var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); - var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); - // We want to order the braces when we return the result. - if (range1.start < range2.start) { - result.push(range1, range2); - } - else { - result.push(range2, range1); - } - break; - } - } - } - } - return result; - function getMatchingTokenKind(token) { - switch (token.kind) { - case 15 /* OpenBraceToken */: return 16 /* CloseBraceToken */; - case 17 /* OpenParenToken */: return 18 /* CloseParenToken */; - case 19 /* OpenBracketToken */: return 20 /* CloseBracketToken */; - case 25 /* LessThanToken */: return 27 /* GreaterThanToken */; - case 16 /* CloseBraceToken */: return 15 /* OpenBraceToken */; - case 18 /* CloseParenToken */: return 17 /* OpenParenToken */; - case 20 /* CloseBracketToken */: return 19 /* OpenBracketToken */; - case 27 /* GreaterThanToken */: return 25 /* LessThanToken */; - } - return undefined; - } - } - function getIndentationAtPosition(fileName, position, editorOptions) { - var start = new Date().getTime(); - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); - start = new Date().getTime(); - var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); - log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); - return result; - } - function getFormattingEditsForRange(fileName, start, end, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsForDocument(fileName, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); - } - function getFormattingEditsAfterKeystroke(fileName, position, key, options) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - if (key === "}") { - return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); - } - else if (key === ";") { - return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); - } - else if (key === "\n") { - return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); - } - return []; - } - /** - * Checks if position points to a valid position to add JSDoc comments, and if so, - * returns the appropriate template. Otherwise returns an empty string. - * Valid positions are - * - outside of comments, statements, and expressions, and - * - preceding a: - * - function/constructor/method declaration - * - class declarations - * - variable statements - * - namespace declarations - * - * Hosts should ideally check that: - * - The line is all whitespace up to 'position' before performing the insertion. - * - If the keystroke sequence "/\*\*" induced the call, we also check that the next - * non-whitespace character is '*', which (approximately) indicates whether we added - * the second '*' to complete an existing (JSDoc) comment. - * @param fileName The file in which to perform the check. - * @param position The (character-indexed) position in the file where the check should - * be performed. - */ - function getDocCommentTemplateAtPosition(fileName, position) { - var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); - // Check if in a context where we don't want to perform any insertion - if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { - return undefined; - } - var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); - var tokenStart = tokenAtPos.getStart(); - if (!tokenAtPos || tokenStart < position) { - return undefined; - } - // TODO: add support for: - // - enums/enum members - // - interfaces - // - property declarations - // - potentially property assignments - var commentOwner; - findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { - switch (commentOwner.kind) { - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 145 /* Constructor */: - case 217 /* ClassDeclaration */: - case 196 /* VariableStatement */: - break findOwner; - case 251 /* SourceFile */: - return undefined; - case 221 /* ModuleDeclaration */: - // If in walking up the tree, we hit a a nested namespace declaration, - // then we must be somewhere within a dotted namespace name; however we don't - // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'. - if (commentOwner.parent.kind === 221 /* ModuleDeclaration */) { - return undefined; - } - break findOwner; - } - } - if (!commentOwner || commentOwner.getStart() < position) { - return undefined; - } - var parameters = getParametersForJsDocOwningNode(commentOwner); - var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); - var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; - var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); - var newLine = ts.getNewLineOrDefaultFromHost(host); - var docParams = ""; - for (var i = 0, numParams = parameters.length; i < numParams; i++) { - var currentName = parameters[i].name; - var paramName = currentName.kind === 69 /* Identifier */ ? - currentName.text : - "param" + i; - docParams += indentationStr + " * @param " + paramName + newLine; - } - // A doc comment consists of the following - // * The opening comment line - // * the first line (without a param) for the object's untagged info (this is also where the caret ends up) - // * the '@param'-tagged lines - // * TODO: other tags. - // * the closing comment line - // * if the caret was directly in front of the object, then we add an extra line and indentation. - var preamble = "/**" + newLine + - indentationStr + " * "; - var result = preamble + newLine + - docParams + - indentationStr + " */" + - (tokenStart === position ? newLine + indentationStr : ""); - return { newText: result, caretOffset: preamble.length }; - } - function getParametersForJsDocOwningNode(commentOwner) { - if (ts.isFunctionLike(commentOwner)) { - return commentOwner.parameters; - } - if (commentOwner.kind === 196 /* VariableStatement */) { - var varStatement = commentOwner; - var varDeclarations = varStatement.declarationList.declarations; - if (varDeclarations.length === 1 && varDeclarations[0].initializer) { - return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); - } - } - return emptyArray; - } - /** - * Digs into an an initializer or RHS operand of an assignment operation - * to get the parameters of an apt signature corresponding to a - * function expression or a class expression. - * - * @param rightHandSide the expression which may contain an appropriate set of parameters - * @returns the parameters of a signature found on the RHS if one exists; otherwise 'emptyArray'. - */ - function getParametersFromRightHandSideOfAssignment(rightHandSide) { - while (rightHandSide.kind === 175 /* ParenthesizedExpression */) { - rightHandSide = rightHandSide.expression; - } - switch (rightHandSide.kind) { - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return rightHandSide.parameters; - case 189 /* ClassExpression */: - for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { - var member = _a[_i]; - if (member.kind === 145 /* Constructor */) { - return member.parameters; - } - } - break; - } - return emptyArray; - } - function getTodoComments(fileName, descriptors) { - // Note: while getting todo comments seems like a syntactic operation, we actually - // treat it as a semantic operation here. This is because we expect our host to call - // this on every single file. If we treat this syntactically, then that will cause - // us to populate and throw away the tree in our syntax tree cache for each file. By - // treating this as a semantic operation, we can access any tree without throwing - // anything away. - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - cancellationToken.throwIfCancellationRequested(); - var fileContents = sourceFile.text; - var result = []; - if (descriptors.length > 0) { - var regExp = getTodoCommentsRegExp(); - var matchArray = void 0; - while (matchArray = regExp.exec(fileContents)) { - cancellationToken.throwIfCancellationRequested(); - // If we got a match, here is what the match array will look like. Say the source text is: - // - // " // hack 1" - // - // The result array with the regexp: will be: - // - // ["// hack 1", "// ", "hack 1", undefined, "hack"] - // - // Here are the relevant capture groups: - // 0) The full match for the entire regexp. - // 1) The preamble to the message portion. - // 2) The message portion. - // 3...N) The descriptor that was matched - by index. 'undefined' for each - // descriptor that didn't match. an actual value if it did match. - // - // i.e. 'undefined' in position 3 above means TODO(jason) didn't match. - // "hack" in position 4 means HACK did match. - var firstDescriptorCaptureIndex = 3; - ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); - var preamble = matchArray[1]; - var matchPosition = matchArray.index + preamble.length; - // OK, we have found a match in the file. This is only an acceptable match if - // it is contained within a comment. - var token = ts.getTokenAtPosition(sourceFile, matchPosition); - if (!isInsideComment(sourceFile, token, matchPosition)) { - continue; - } - var descriptor = undefined; - for (var i = 0, n = descriptors.length; i < n; i++) { - if (matchArray[i + firstDescriptorCaptureIndex]) { - descriptor = descriptors[i]; - } - } - ts.Debug.assert(descriptor !== undefined); - // We don't want to match something like 'TODOBY', so we make sure a non - // letter/digit follows the match. - if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { - continue; - } - var message = matchArray[2]; - result.push({ - descriptor: descriptor, - message: message, - position: matchPosition - }); - } - } - return result; - function escapeRegExp(str) { - return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); - } - function getTodoCommentsRegExp() { - // NOTE: ?: means 'non-capture group'. It allows us to have groups without having to - // filter them out later in the final result array. - // TODO comments can appear in one of the following forms: - // - // 1) // TODO or /////////// TODO - // - // 2) /* TODO or /********** TODO - // - // 3) /* - // * TODO - // */ - // - // The following three regexps are used to match the start of the text up to the TODO - // comment portion. - var singleLineCommentStart = /(?:\/\/+\s*)/.source; - var multiLineCommentStart = /(?:\/\*+\s*)/.source; - var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; - // Match any of the above three TODO comment start regexps. - // Note that the outermost group *is* a capture group. We want to capture the preamble - // so that we can determine the starting position of the TODO comment match. - var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; - // Takes the descriptors and forms a regexp that matches them as if they were literals. - // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be: - // - // (?:(TODO\(jason\))|(HACK)) - // - // Note that the outermost group is *not* a capture group, but the innermost groups - // *are* capture groups. By capturing the inner literals we can determine after - // matching which descriptor we are dealing with. - var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; - // After matching a descriptor literal, the following regexp matches the rest of the - // text up to the end of the line (or */). - var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; - var messageRemainder = /(?:.*?)/.source; - // This is the portion of the match we'll return as part of the TODO comment result. We - // match the literal portion up to the end of the line or end of comment. - var messagePortion = "(" + literals + messageRemainder + ")"; - var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; - // The final regexp will look like this: - // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim - // The flags of the regexp are important here. - // 'g' is so that we are doing a global search and can find matches several times - // in the input. - // - // 'i' is for case insensitivity (We do this to match C# TODO comment code). - // - // 'm' is so we can find matches in a multi-line input. - return new RegExp(regExpString, "gim"); - } - function isLetterOrDigit(char) { - return (char >= 97 /* a */ && char <= 122 /* z */) || - (char >= 65 /* A */ && char <= 90 /* Z */) || - (char >= 48 /* _0 */ && char <= 57 /* _9 */); - } - } - function getRenameInfo(fileName, position) { - synchronizeHostData(); - var sourceFile = getValidSourceFile(fileName); - var typeChecker = program.getTypeChecker(); - var node = ts.getTouchingWord(sourceFile, position); - // Can only rename an identifier. - if (node && node.kind === 69 /* Identifier */) { - var symbol = typeChecker.getSymbolAtLocation(node); - // Only allow a symbol to be renamed if it actually has at least one declaration. - if (symbol) { - var declarations = symbol.getDeclarations(); - if (declarations && declarations.length > 0) { - // Disallow rename for elements that are defined in the standard TypeScript library. - var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); - var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); - if (defaultLibFileName) { - for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { - var current = declarations_10[_i]; - var sourceFile_3 = current.getSourceFile(); - // TODO (drosen): When is there no source file? - if (!sourceFile_3) { - continue; - } - var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); - if (canonicalName === canonicalDefaultLibName) { - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); - } - } - } - var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); - var kind = getSymbolKind(symbol, node); - if (kind) { - return { - canRename: true, - kind: kind, - displayName: displayName, - localizedErrorMessage: undefined, - fullDisplayName: typeChecker.getFullyQualifiedName(symbol), - kindModifiers: getSymbolModifiers(symbol), - triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) - }; - } - } - } - } - return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); - function getRenameInfoError(localizedErrorMessage) { - return { - canRename: false, - localizedErrorMessage: localizedErrorMessage, - displayName: undefined, - fullDisplayName: undefined, - kind: undefined, - kindModifiers: undefined, - triggerSpan: undefined - }; - } - } - return { - dispose: dispose, - cleanupSemanticCache: cleanupSemanticCache, - getSyntacticDiagnostics: getSyntacticDiagnostics, - getSemanticDiagnostics: getSemanticDiagnostics, - getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, - getSyntacticClassifications: getSyntacticClassifications, - getSemanticClassifications: getSemanticClassifications, - getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, - getEncodedSemanticClassifications: getEncodedSemanticClassifications, - getCompletionsAtPosition: getCompletionsAtPosition, - getCompletionEntryDetails: getCompletionEntryDetails, - getSignatureHelpItems: getSignatureHelpItems, - getQuickInfoAtPosition: getQuickInfoAtPosition, - getDefinitionAtPosition: getDefinitionAtPosition, - getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, - getReferencesAtPosition: getReferencesAtPosition, - findReferences: findReferences, - getOccurrencesAtPosition: getOccurrencesAtPosition, - getDocumentHighlights: getDocumentHighlights, - getNameOrDottedNameSpan: getNameOrDottedNameSpan, - getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, - getNavigateToItems: getNavigateToItems, - getRenameInfo: getRenameInfo, - findRenameLocations: findRenameLocations, - getNavigationBarItems: getNavigationBarItems, - getOutliningSpans: getOutliningSpans, - getTodoComments: getTodoComments, - getBraceMatchingAtPosition: getBraceMatchingAtPosition, - getIndentationAtPosition: getIndentationAtPosition, - getFormattingEditsForRange: getFormattingEditsForRange, - getFormattingEditsForDocument: getFormattingEditsForDocument, - getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, - getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, - getEmitOutput: getEmitOutput, - getSourceFile: getSourceFile, - getProgram: getProgram - }; - } - ts.createLanguageService = createLanguageService; - /* @internal */ - function getNameTable(sourceFile) { - if (!sourceFile.nameTable) { - initializeNameTable(sourceFile); - } - return sourceFile.nameTable; - } - ts.getNameTable = getNameTable; - function initializeNameTable(sourceFile) { - var nameTable = {}; - walk(sourceFile); - sourceFile.nameTable = nameTable; - function walk(node) { - switch (node.kind) { - case 69 /* Identifier */: - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - break; - case 9 /* StringLiteral */: - case 8 /* NumericLiteral */: - // We want to store any numbers/strings if they were a name that could be - // related to a declaration. So, if we have 'import x = require("something")' - // then we want 'something' to be in the name table. Similarly, if we have - // "a['propname']" then we want to store "propname" in the name table. - if (ts.isDeclarationName(node) || - node.parent.kind === 235 /* ExternalModuleReference */ || - isArgumentOfElementAccessExpression(node)) { - nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; - } - break; - default: - ts.forEachChild(node, walk); - } - } - } - function isArgumentOfElementAccessExpression(node) { - return node && - node.parent && - node.parent.kind === 170 /* ElementAccessExpression */ && - node.parent.argumentExpression === node; - } - /// Classifier - function createClassifier() { - var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false); - /// We do not have a full parser support to know when we should parse a regex or not - /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where - /// we have a series of divide operator. this list allows us to be more accurate by ruling out - /// locations where a regexp cannot exist. - var noRegexTable = []; - noRegexTable[69 /* Identifier */] = true; - noRegexTable[9 /* StringLiteral */] = true; - noRegexTable[8 /* NumericLiteral */] = true; - noRegexTable[10 /* RegularExpressionLiteral */] = true; - noRegexTable[97 /* ThisKeyword */] = true; - noRegexTable[41 /* PlusPlusToken */] = true; - noRegexTable[42 /* MinusMinusToken */] = true; - noRegexTable[18 /* CloseParenToken */] = true; - noRegexTable[20 /* CloseBracketToken */] = true; - noRegexTable[16 /* CloseBraceToken */] = true; - noRegexTable[99 /* TrueKeyword */] = true; - noRegexTable[84 /* FalseKeyword */] = true; - // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact) - // classification on template strings. Because of the context free nature of templates, - // the only precise way to classify a template portion would be by propagating the stack across - // lines, just as we do with the end-of-line state. However, this is a burden for implementers, - // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead - // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state. - // Situations in which this fails are - // 1) When template strings are nested across different lines: - // `hello ${ `world - // ` }` - // - // Where on the second line, you will get the closing of a template, - // a closing curly, and a new template. - // - // 2) When substitution expressions have curly braces and the curly brace falls on the next line: - // `hello ${ () => { - // return "world" } } ` - // - // Where on the second line, you will get the 'return' keyword, - // a string literal, and a template end consisting of '} } `'. - var templateStack = []; - /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */ - function canFollow(keyword1, keyword2) { - if (ts.isAccessibilityModifier(keyword1)) { - if (keyword2 === 123 /* GetKeyword */ || - keyword2 === 129 /* SetKeyword */ || - keyword2 === 121 /* ConstructorKeyword */ || - keyword2 === 113 /* StaticKeyword */) { - // Allow things like "public get", "public constructor" and "public static". - // These are all legal. - return true; - } - // Any other keyword following "public" is actually an identifier an not a real - // keyword. - return false; - } - // Assume any other keyword combination is legal. This can be refined in the future - // if there are more cases we want the classifier to be better at. - return true; - } - function convertClassifications(classifications, text) { - var entries = []; - var dense = classifications.spans; - var lastEnd = 0; - for (var i = 0, n = dense.length; i < n; i += 3) { - var start = dense[i]; - var length_3 = dense[i + 1]; - var type = dense[i + 2]; - // Make a whitespace entry between the last item and this one. - if (lastEnd >= 0) { - var whitespaceLength_1 = start - lastEnd; - if (whitespaceLength_1 > 0) { - entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); - } - } - entries.push({ length: length_3, classification: convertClassification(type) }); - lastEnd = start + length_3; - } - var whitespaceLength = text.length - lastEnd; - if (whitespaceLength > 0) { - entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); - } - return { entries: entries, finalLexState: classifications.endOfLineState }; - } - function convertClassification(type) { - switch (type) { - case 1 /* comment */: return TokenClass.Comment; - case 3 /* keyword */: return TokenClass.Keyword; - case 4 /* numericLiteral */: return TokenClass.NumberLiteral; - case 5 /* operator */: return TokenClass.Operator; - case 6 /* stringLiteral */: return TokenClass.StringLiteral; - case 8 /* whiteSpace */: return TokenClass.Whitespace; - case 10 /* punctuation */: return TokenClass.Punctuation; - case 2 /* identifier */: - case 11 /* className */: - case 12 /* enumName */: - case 13 /* interfaceName */: - case 14 /* moduleName */: - case 15 /* typeParameterName */: - case 16 /* typeAliasName */: - case 9 /* text */: - case 17 /* parameterName */: - default: - return TokenClass.Identifier; - } - } - function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { - return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); - } - // If there is a syntactic classifier ('syntacticClassifierAbsent' is false), - // we will be more conservative in order to avoid conflicting with the syntactic classifier. - function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { - var offset = 0; - var token = 0 /* Unknown */; - var lastNonTriviaToken = 0 /* Unknown */; - // Empty out the template stack for reuse. - while (templateStack.length > 0) { - templateStack.pop(); - } - // If we're in a string literal, then prepend: "\ - // (and a newline). That way when we lex we'll think we're still in a string literal. - // - // If we're in a multiline comment, then prepend: /* - // (and a newline). That way when we lex we'll think we're still in a multiline comment. - switch (lexState) { - case 3 /* InDoubleQuoteStringLiteral */: - text = "\"\\\n" + text; - offset = 3; - break; - case 2 /* InSingleQuoteStringLiteral */: - text = "'\\\n" + text; - offset = 3; - break; - case 1 /* InMultiLineCommentTrivia */: - text = "/*\n" + text; - offset = 3; - break; - case 4 /* InTemplateHeadOrNoSubstitutionTemplate */: - text = "`\n" + text; - offset = 2; - break; - case 5 /* InTemplateMiddleOrTail */: - text = "}\n" + text; - offset = 2; - // fallthrough - case 6 /* InTemplateSubstitutionPosition */: - templateStack.push(12 /* TemplateHead */); - break; - } - scanner.setText(text); - var result = { - endOfLineState: 0 /* None */, - spans: [] - }; - // We can run into an unfortunate interaction between the lexical and syntactic classifier - // when the user is typing something generic. Consider the case where the user types: - // - // Foo tokens. It's a weak heuristic, but should - // work well enough in practice. - var angleBracketStack = 0; - do { - token = scanner.scan(); - if (!ts.isTrivia(token)) { - if ((token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) && !noRegexTable[lastNonTriviaToken]) { - if (scanner.reScanSlashToken() === 10 /* RegularExpressionLiteral */) { - token = 10 /* RegularExpressionLiteral */; - } - } - else if (lastNonTriviaToken === 21 /* DotToken */ && isKeyword(token)) { - token = 69 /* Identifier */; - } - else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { - // We have two keywords in a row. Only treat the second as a keyword if - // it's a sequence that could legally occur in the language. Otherwise - // treat it as an identifier. This way, if someone writes "private var" - // we recognize that 'var' is actually an identifier here. - token = 69 /* Identifier */; - } - else if (lastNonTriviaToken === 69 /* Identifier */ && - token === 25 /* LessThanToken */) { - // Could be the start of something generic. Keep track of that by bumping - // up the current count of generic contexts we may be in. - angleBracketStack++; - } - else if (token === 27 /* GreaterThanToken */ && angleBracketStack > 0) { - // If we think we're currently in something generic, then mark that that - // generic entity is complete. - angleBracketStack--; - } - else if (token === 117 /* AnyKeyword */ || - token === 130 /* StringKeyword */ || - token === 128 /* NumberKeyword */ || - token === 120 /* BooleanKeyword */ || - token === 131 /* SymbolKeyword */) { - if (angleBracketStack > 0 && !syntacticClassifierAbsent) { - // If it looks like we're could be in something generic, don't classify this - // as a keyword. We may just get overwritten by the syntactic classifier, - // causing a noisy experience for the user. - token = 69 /* Identifier */; - } - } - else if (token === 12 /* TemplateHead */) { - templateStack.push(token); - } - else if (token === 15 /* OpenBraceToken */) { - // If we don't have anything on the template stack, - // then we aren't trying to keep track of a previously scanned template head. - if (templateStack.length > 0) { - templateStack.push(token); - } - } - else if (token === 16 /* CloseBraceToken */) { - // If we don't have anything on the template stack, - // then we aren't trying to keep track of a previously scanned template head. - if (templateStack.length > 0) { - var lastTemplateStackToken = ts.lastOrUndefined(templateStack); - if (lastTemplateStackToken === 12 /* TemplateHead */) { - token = scanner.reScanTemplateToken(); - // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us. - if (token === 14 /* TemplateTail */) { - templateStack.pop(); - } - else { - ts.Debug.assert(token === 13 /* TemplateMiddle */, "Should have been a template middle. Was " + token); - } - } - else { - ts.Debug.assert(lastTemplateStackToken === 15 /* OpenBraceToken */, "Should have been an open brace. Was: " + token); - templateStack.pop(); - } - } - } - lastNonTriviaToken = token; - } - processToken(); - } while (token !== 1 /* EndOfFileToken */); - return result; - function processToken() { - var start = scanner.getTokenPos(); - var end = scanner.getTextPos(); - addResult(start, end, classFromKind(token)); - if (end >= text.length) { - if (token === 9 /* StringLiteral */ || token === 163 /* StringLiteralType */) { - // Check to see if we finished up on a multiline string literal. - var tokenText = scanner.getTokenText(); - if (scanner.isUnterminated()) { - var lastCharIndex = tokenText.length - 1; - var numBackslashes = 0; - while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* backslash */) { - numBackslashes++; - } - // If we have an odd number of backslashes, then the multiline string is unclosed - if (numBackslashes & 1) { - var quoteChar = tokenText.charCodeAt(0); - result.endOfLineState = quoteChar === 34 /* doubleQuote */ - ? 3 /* InDoubleQuoteStringLiteral */ - : 2 /* InSingleQuoteStringLiteral */; - } - } - } - else if (token === 3 /* MultiLineCommentTrivia */) { - // Check to see if the multiline comment was unclosed. - if (scanner.isUnterminated()) { - result.endOfLineState = 1 /* InMultiLineCommentTrivia */; - } - } - else if (ts.isTemplateLiteralKind(token)) { - if (scanner.isUnterminated()) { - if (token === 14 /* TemplateTail */) { - result.endOfLineState = 5 /* InTemplateMiddleOrTail */; - } - else if (token === 11 /* NoSubstitutionTemplateLiteral */) { - result.endOfLineState = 4 /* InTemplateHeadOrNoSubstitutionTemplate */; - } - else { - ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); - } - } - } - else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12 /* TemplateHead */) { - result.endOfLineState = 6 /* InTemplateSubstitutionPosition */; - } - } - } - function addResult(start, end, classification) { - if (classification === 8 /* whiteSpace */) { - // Don't bother with whitespace classifications. They're not needed. - return; - } - if (start === 0 && offset > 0) { - // We're classifying the first token, and this was a case where we prepended - // text. We should consider the start of this token to be at the start of - // the original text. - start += offset; - } - // All our tokens are in relation to the augmented text. Move them back to be - // relative to the original text. - start -= offset; - end -= offset; - var length = end - start; - if (length > 0) { - result.spans.push(start); - result.spans.push(length); - result.spans.push(classification); - } - } - } - function isBinaryExpressionOperatorToken(token) { - switch (token) { - case 37 /* AsteriskToken */: - case 39 /* SlashToken */: - case 40 /* PercentToken */: - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 43 /* LessThanLessThanToken */: - case 44 /* GreaterThanGreaterThanToken */: - case 45 /* GreaterThanGreaterThanGreaterThanToken */: - case 25 /* LessThanToken */: - case 27 /* GreaterThanToken */: - case 28 /* LessThanEqualsToken */: - case 29 /* GreaterThanEqualsToken */: - case 91 /* InstanceOfKeyword */: - case 90 /* InKeyword */: - case 116 /* AsKeyword */: - case 30 /* EqualsEqualsToken */: - case 31 /* ExclamationEqualsToken */: - case 32 /* EqualsEqualsEqualsToken */: - case 33 /* ExclamationEqualsEqualsToken */: - case 46 /* AmpersandToken */: - case 48 /* CaretToken */: - case 47 /* BarToken */: - case 51 /* AmpersandAmpersandToken */: - case 52 /* BarBarToken */: - case 67 /* BarEqualsToken */: - case 66 /* AmpersandEqualsToken */: - case 68 /* CaretEqualsToken */: - case 63 /* LessThanLessThanEqualsToken */: - case 64 /* GreaterThanGreaterThanEqualsToken */: - case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: - case 57 /* PlusEqualsToken */: - case 58 /* MinusEqualsToken */: - case 59 /* AsteriskEqualsToken */: - case 61 /* SlashEqualsToken */: - case 62 /* PercentEqualsToken */: - case 56 /* EqualsToken */: - case 24 /* CommaToken */: - return true; - default: - return false; - } - } - function isPrefixUnaryExpressionOperatorToken(token) { - switch (token) { - case 35 /* PlusToken */: - case 36 /* MinusToken */: - case 50 /* TildeToken */: - case 49 /* ExclamationToken */: - case 41 /* PlusPlusToken */: - case 42 /* MinusMinusToken */: - return true; - default: - return false; - } - } - function isKeyword(token) { - return token >= 70 /* FirstKeyword */ && token <= 135 /* LastKeyword */; - } - function classFromKind(token) { - if (isKeyword(token)) { - return 3 /* keyword */; - } - else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { - return 5 /* operator */; - } - else if (token >= 15 /* FirstPunctuation */ && token <= 68 /* LastPunctuation */) { - return 10 /* punctuation */; - } - switch (token) { - case 8 /* NumericLiteral */: - return 4 /* numericLiteral */; - case 9 /* StringLiteral */: - case 163 /* StringLiteralType */: - return 6 /* stringLiteral */; - case 10 /* RegularExpressionLiteral */: - return 7 /* regularExpressionLiteral */; - case 7 /* ConflictMarkerTrivia */: - case 3 /* MultiLineCommentTrivia */: - case 2 /* SingleLineCommentTrivia */: - return 1 /* comment */; - case 5 /* WhitespaceTrivia */: - case 4 /* NewLineTrivia */: - return 8 /* whiteSpace */; - case 69 /* Identifier */: - default: - if (ts.isTemplateLiteralKind(token)) { - return 6 /* stringLiteral */; - } - return 2 /* identifier */; - } - } - return { - getClassificationsForLine: getClassificationsForLine, - getEncodedLexicalClassifications: getEncodedLexicalClassifications - }; - } - ts.createClassifier = createClassifier; - /** - * Get the path of the default library files (lib.d.ts) as distributed with the typescript - * node package. - * The functionality is not supported if the ts module is consumed outside of a node module. - */ - function getDefaultLibFilePath(options) { - // Check __dirname is defined and that we are on a node.js system. - if (typeof __dirname !== "undefined") { - return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); - } - throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); - } - ts.getDefaultLibFilePath = getDefaultLibFilePath; - function initializeServices() { - ts.objectAllocator = { - getNodeConstructor: function () { return NodeObject; }, - getSourceFileConstructor: function () { return SourceFileObject; }, - getSymbolConstructor: function () { return SymbolObject; }, - getTypeConstructor: function () { return TypeObject; }, - getSignatureConstructor: function () { return SignatureObject; } - }; - } - initializeServices(); -})(ts || (ts = {})); -// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0. -// See LICENSE.txt in the project root for complete license information. -/// -/* @internal */ -var ts; -(function (ts) { - var BreakpointResolver; - (function (BreakpointResolver) { - /** - * Get the breakpoint span in given sourceFile - */ - function spanInSourceFileAtLocation(sourceFile, position) { - // Cannot set breakpoint in dts file - if (sourceFile.flags & 4096 /* DeclarationFile */) { - return undefined; - } - var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); - var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; - if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { - // Get previous token if the token is returned starts on new line - // eg: let x =10; |--- cursor is here - // let y = 10; - // token at position will return let keyword on second line as the token but we would like to use - // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line - tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); - // Its a blank line - if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { - return undefined; - } - } - // Cannot set breakpoint in ambient declarations - if (ts.isInAmbientContext(tokenAtLocation)) { - return undefined; - } - // Get the span in the node based on its syntax - return spanInNode(tokenAtLocation); - function textSpan(startNode, endNode) { - var start = startNode.decorators ? - ts.skipTrivia(sourceFile.text, startNode.decorators.end) : - startNode.getStart(sourceFile); - return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); - } - function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { - return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); - } - function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { - if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { - return spanInNode(node); - } - return spanInNode(otherwiseOnNode); - } - function spanInNodeArray(nodeArray) { - return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); - } - function spanInPreviousNode(node) { - return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); - } - function spanInNextNode(node) { - return spanInNode(ts.findNextToken(node, node.parent)); - } - function spanInNode(node) { - if (node) { - switch (node.kind) { - case 196 /* VariableStatement */: - // Span on first variable declaration - return spanInVariableDeclaration(node.declarationList.declarations[0]); - case 214 /* VariableDeclaration */: - case 142 /* PropertyDeclaration */: - case 141 /* PropertySignature */: - return spanInVariableDeclaration(node); - case 139 /* Parameter */: - return spanInParameterDeclaration(node); - case 216 /* FunctionDeclaration */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 176 /* FunctionExpression */: - case 177 /* ArrowFunction */: - return spanInFunctionDeclaration(node); - case 195 /* Block */: - if (ts.isFunctionBlock(node)) { - return spanInFunctionBlock(node); - } - // Fall through - case 222 /* ModuleBlock */: - return spanInBlock(node); - case 247 /* CatchClause */: - return spanInBlock(node.block); - case 198 /* ExpressionStatement */: - // span on the expression - return textSpan(node.expression); - case 207 /* ReturnStatement */: - // span on return keyword and expression if present - return textSpan(node.getChildAt(0), node.expression); - case 201 /* WhileStatement */: - // Span on while(...) - return textSpanEndingAtNextToken(node, node.expression); - case 200 /* DoStatement */: - // span in statement of the do statement - return spanInNode(node.statement); - case 213 /* DebuggerStatement */: - // span on debugger keyword - return textSpan(node.getChildAt(0)); - case 199 /* IfStatement */: - // set on if(..) span - return textSpanEndingAtNextToken(node, node.expression); - case 210 /* LabeledStatement */: - // span in statement - return spanInNode(node.statement); - case 206 /* BreakStatement */: - case 205 /* ContinueStatement */: - // On break or continue keyword and label if present - return textSpan(node.getChildAt(0), node.label); - case 202 /* ForStatement */: - return spanInForStatement(node); - case 203 /* ForInStatement */: - // span of for (a in ...) - return textSpanEndingAtNextToken(node, node.expression); - case 204 /* ForOfStatement */: - // span in initializer - return spanInInitializerOfForLike(node); - case 209 /* SwitchStatement */: - // span on switch(...) - return textSpanEndingAtNextToken(node, node.expression); - case 244 /* CaseClause */: - case 245 /* DefaultClause */: - // span in first statement of the clause - return spanInNode(node.statements[0]); - case 212 /* TryStatement */: - // span in try block - return spanInBlock(node.tryBlock); - case 211 /* ThrowStatement */: - // span in throw ... - return textSpan(node, node.expression); - case 230 /* ExportAssignment */: - // span on export = id - return textSpan(node, node.expression); - case 224 /* ImportEqualsDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleReference); - case 225 /* ImportDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleSpecifier); - case 231 /* ExportDeclaration */: - // import statement without including semicolon - return textSpan(node, node.moduleSpecifier); - case 221 /* ModuleDeclaration */: - // span on complete module if it is instantiated - if (ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { - return undefined; - } - case 217 /* ClassDeclaration */: - case 220 /* EnumDeclaration */: - case 250 /* EnumMember */: - case 166 /* BindingElement */: - // span on complete node - return textSpan(node); - case 208 /* WithStatement */: - // span in statement - return spanInNode(node.statement); - case 140 /* Decorator */: - return spanInNodeArray(node.parent.decorators); - case 164 /* ObjectBindingPattern */: - case 165 /* ArrayBindingPattern */: - return spanInBindingPattern(node); - // No breakpoint in interface, type alias - case 218 /* InterfaceDeclaration */: - case 219 /* TypeAliasDeclaration */: - return undefined; - // Tokens: - case 23 /* SemicolonToken */: - case 1 /* EndOfFileToken */: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); - case 24 /* CommaToken */: - return spanInPreviousNode(node); - case 15 /* OpenBraceToken */: - return spanInOpenBraceToken(node); - case 16 /* CloseBraceToken */: - return spanInCloseBraceToken(node); - case 20 /* CloseBracketToken */: - return spanInCloseBracketToken(node); - case 17 /* OpenParenToken */: - return spanInOpenParenToken(node); - case 18 /* CloseParenToken */: - return spanInCloseParenToken(node); - case 54 /* ColonToken */: - return spanInColonToken(node); - case 27 /* GreaterThanToken */: - case 25 /* LessThanToken */: - return spanInGreaterThanOrLessThanToken(node); - // Keywords: - case 104 /* WhileKeyword */: - return spanInWhileKeyword(node); - case 80 /* ElseKeyword */: - case 72 /* CatchKeyword */: - case 85 /* FinallyKeyword */: - return spanInNextNode(node); - case 135 /* OfKeyword */: - return spanInOfKeyword(node); - default: - // Destructuring pattern in destructuring assignment - // [a, b, c] of - // [a, b, c] = expression - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); - } - // Set breakpoint on identifier element of destructuring pattern - // a or ...c or d: x from - // [a, b, ...c] or { a, b } or { d: x } from destructuring pattern - if ((node.kind === 69 /* Identifier */ || - node.kind == 188 /* SpreadElementExpression */ || - node.kind === 248 /* PropertyAssignment */ || - node.kind === 249 /* ShorthandPropertyAssignment */) && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - return textSpan(node); - } - if (node.kind === 184 /* BinaryExpression */) { - var binaryExpression = node; - // Set breakpoint in destructuring pattern if its destructuring assignment - // [a, b, c] or {a, b, c} of - // [a, b, c] = expression or - // {a, b, c} = expression - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { - return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); - } - if (binaryExpression.operatorToken.kind === 56 /* EqualsToken */ && - ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { - // Set breakpoint on assignment expression element of destructuring pattern - // a = expression of - // [a = expression, b, c] = someExpression or - // { a = expression, b, c } = someExpression - return textSpan(node); - } - if (binaryExpression.operatorToken.kind === 24 /* CommaToken */) { - return spanInNode(binaryExpression.left); - } - } - if (ts.isExpression(node)) { - switch (node.parent.kind) { - case 200 /* DoStatement */: - // Set span as if on while keyword - return spanInPreviousNode(node); - case 140 /* Decorator */: - // Set breakpoint on the decorator emit - return spanInNode(node.parent); - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - return textSpan(node); - case 184 /* BinaryExpression */: - if (node.parent.operatorToken.kind === 24 /* CommaToken */) { - // if this is comma expression, the breakpoint is possible in this expression - return textSpan(node); - } - break; - case 177 /* ArrowFunction */: - if (node.parent.body === node) { - // If this is body of arrow function, it is allowed to have the breakpoint - return textSpan(node); - } - break; - } - } - // If this is name of property assignment, set breakpoint in the initializer - if (node.parent.kind === 248 /* PropertyAssignment */ && - node.parent.name === node && - !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { - return spanInNode(node.parent.initializer); - } - // Breakpoint in type assertion goes to its operand - if (node.parent.kind === 174 /* TypeAssertionExpression */ && node.parent.type === node) { - return spanInNextNode(node.parent.type); - } - // return type of function go to previous token - if (ts.isFunctionLike(node.parent) && node.parent.type === node) { - return spanInPreviousNode(node); - } - // initializer of variable/parameter declaration go to previous node - if ((node.parent.kind === 214 /* VariableDeclaration */ || - node.parent.kind === 139 /* Parameter */)) { - var paramOrVarDecl = node.parent; - if (paramOrVarDecl.initializer === node || - paramOrVarDecl.type === node || - ts.isAssignmentOperator(node.kind)) { - return spanInPreviousNode(node); - } - } - if (node.parent.kind === 184 /* BinaryExpression */) { - var binaryExpression = node.parent; - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && - (binaryExpression.right === node || - binaryExpression.operatorToken === node)) { - // If initializer of destructuring assignment move to previous token - return spanInPreviousNode(node); - } - } - // Default go to parent to set the breakpoint - return spanInNode(node.parent); - } - } - function textSpanFromVariableDeclaration(variableDeclaration) { - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] === variableDeclaration) { - // First declaration - include let keyword - return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); - } - else { - // Span only on this declaration - return textSpan(variableDeclaration); - } - } - function spanInVariableDeclaration(variableDeclaration) { - // If declaration of for in statement, just set the span in parent - if (variableDeclaration.parent.parent.kind === 203 /* ForInStatement */) { - return spanInNode(variableDeclaration.parent.parent); - } - // If this is a destructuring pattern set breakpoint in binding pattern - if (ts.isBindingPattern(variableDeclaration.name)) { - return spanInBindingPattern(variableDeclaration.name); - } - // Breakpoint is possible in variableDeclaration only if there is initialization - // or its declaration from 'for of' - if (variableDeclaration.initializer || - (variableDeclaration.flags & 2 /* Export */) || - variableDeclaration.parent.parent.kind === 204 /* ForOfStatement */) { - return textSpanFromVariableDeclaration(variableDeclaration); - } - var declarations = variableDeclaration.parent.declarations; - if (declarations && declarations[0] !== variableDeclaration) { - // If we cant set breakpoint on this declaration, set it on previous one - // Because the variable declaration may be binding pattern and - // we would like to set breakpoint in last binding element if thats the case, - // use preceding token instead - return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); - } - } - function canHaveSpanInParameterDeclaration(parameter) { - // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier - return !!parameter.initializer || parameter.dotDotDotToken !== undefined || - !!(parameter.flags & 8 /* Public */) || !!(parameter.flags & 16 /* Private */); - } - function spanInParameterDeclaration(parameter) { - if (ts.isBindingPattern(parameter.name)) { - // set breakpoint in binding pattern - return spanInBindingPattern(parameter.name); - } - else if (canHaveSpanInParameterDeclaration(parameter)) { - return textSpan(parameter); - } - else { - var functionDeclaration = parameter.parent; - var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); - if (indexOfParameter) { - // Not a first parameter, go to previous parameter - return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); - } - else { - // Set breakpoint in the function declaration body - return spanInNode(functionDeclaration.body); - } - } - } - function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { - return !!(functionDeclaration.flags & 2 /* Export */) || - (functionDeclaration.parent.kind === 217 /* ClassDeclaration */ && functionDeclaration.kind !== 145 /* Constructor */); - } - function spanInFunctionDeclaration(functionDeclaration) { - // No breakpoints in the function signature - if (!functionDeclaration.body) { - return undefined; - } - if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { - // Set the span on whole function declaration - return textSpan(functionDeclaration); - } - // Set span in function body - return spanInNode(functionDeclaration.body); - } - function spanInFunctionBlock(block) { - var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); - if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { - return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); - } - return spanInNode(nodeForSpanInBlock); - } - function spanInBlock(block) { - switch (block.parent.kind) { - case 221 /* ModuleDeclaration */: - if (ts.getModuleInstanceState(block.parent) !== 1 /* Instantiated */) { - return undefined; - } - // Set on parent if on same line otherwise on first statement - case 201 /* WhileStatement */: - case 199 /* IfStatement */: - case 203 /* ForInStatement */: - return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); - // Set span on previous token if it starts on same line otherwise on the first statement of the block - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); - } - // Default action is to set on first statement - return spanInNode(block.statements[0]); - } - function spanInInitializerOfForLike(forLikeStaement) { - if (forLikeStaement.initializer.kind === 215 /* VariableDeclarationList */) { - // declaration list, set breakpoint in first declaration - var variableDeclarationList = forLikeStaement.initializer; - if (variableDeclarationList.declarations.length > 0) { - return spanInNode(variableDeclarationList.declarations[0]); - } - } - else { - // Expression - set breakpoint in it - return spanInNode(forLikeStaement.initializer); - } - } - function spanInForStatement(forStatement) { - if (forStatement.initializer) { - return spanInInitializerOfForLike(forStatement); - } - if (forStatement.condition) { - return textSpan(forStatement.condition); - } - if (forStatement.incrementor) { - return textSpan(forStatement.incrementor); - } - } - function spanInBindingPattern(bindingPattern) { - // Set breakpoint in first binding element - var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - // Empty binding pattern of binding element, set breakpoint on binding element - if (bindingPattern.parent.kind === 166 /* BindingElement */) { - return textSpan(bindingPattern.parent); - } - // Variable declaration is used as the span - return textSpanFromVariableDeclaration(bindingPattern.parent); - } - function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { - ts.Debug.assert(node.kind !== 165 /* ArrayBindingPattern */ && node.kind !== 164 /* ObjectBindingPattern */); - var elements = node.kind === 167 /* ArrayLiteralExpression */ ? - node.elements : - node.properties; - var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); - if (firstBindingElement) { - return spanInNode(firstBindingElement); - } - // Could be ArrayLiteral from destructuring assignment or - // just nested element in another destructuring assignment - // set breakpoint on assignment when parent is destructuring assignment - // Otherwise set breakpoint for this element - return textSpan(node.parent.kind === 184 /* BinaryExpression */ ? node.parent : node); - } - // Tokens: - function spanInOpenBraceToken(node) { - switch (node.parent.kind) { - case 220 /* EnumDeclaration */: - var enumDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); - case 217 /* ClassDeclaration */: - var classDeclaration = node.parent; - return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); - case 223 /* CaseBlock */: - return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInCloseBraceToken(node) { - switch (node.parent.kind) { - case 222 /* ModuleBlock */: - // If this is not instantiated module block no bp span - if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* Instantiated */) { - return undefined; - } - case 220 /* EnumDeclaration */: - case 217 /* ClassDeclaration */: - // Span on close brace token - return textSpan(node); - case 195 /* Block */: - if (ts.isFunctionBlock(node.parent)) { - // Span on close brace token - return textSpan(node); - } - // fall through. - case 247 /* CatchClause */: - return spanInNode(ts.lastOrUndefined(node.parent.statements)); - case 223 /* CaseBlock */: - // breakpoint in last statement of the last clause - var caseBlock = node.parent; - var lastClause = ts.lastOrUndefined(caseBlock.clauses); - if (lastClause) { - return spanInNode(ts.lastOrUndefined(lastClause.statements)); - } - return undefined; - case 164 /* ObjectBindingPattern */: - // Breakpoint in last binding element or binding pattern if it contains no elements - var bindingPattern = node.parent; - return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - // Default to parent node - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - // Breakpoint in last binding element or binding pattern if it contains no elements - var objectLiteral = node.parent; - return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); - } - return spanInNode(node.parent); - } - } - function spanInCloseBracketToken(node) { - switch (node.parent.kind) { - case 165 /* ArrayBindingPattern */: - // Breakpoint in last binding element or binding pattern if it contains no elements - var bindingPattern = node.parent; - return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); - default: - if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { - // Breakpoint in last binding element or binding pattern if it contains no elements - var arrayLiteral = node.parent; - return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); - } - // Default to parent node - return spanInNode(node.parent); - } - } - function spanInOpenParenToken(node) { - if (node.parent.kind === 200 /* DoStatement */ || - node.parent.kind === 171 /* CallExpression */ || - node.parent.kind === 172 /* NewExpression */) { - return spanInPreviousNode(node); - } - if (node.parent.kind === 175 /* ParenthesizedExpression */) { - return spanInNextNode(node); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInCloseParenToken(node) { - // Is this close paren token of parameter list, set span in previous token - switch (node.parent.kind) { - case 176 /* FunctionExpression */: - case 216 /* FunctionDeclaration */: - case 177 /* ArrowFunction */: - case 144 /* MethodDeclaration */: - case 143 /* MethodSignature */: - case 146 /* GetAccessor */: - case 147 /* SetAccessor */: - case 145 /* Constructor */: - case 201 /* WhileStatement */: - case 200 /* DoStatement */: - case 202 /* ForStatement */: - case 204 /* ForOfStatement */: - case 171 /* CallExpression */: - case 172 /* NewExpression */: - case 175 /* ParenthesizedExpression */: - return spanInPreviousNode(node); - // Default to parent node - default: - return spanInNode(node.parent); - } - } - function spanInColonToken(node) { - // Is this : specifying return annotation of the function declaration - if (ts.isFunctionLike(node.parent) || - node.parent.kind === 248 /* PropertyAssignment */ || - node.parent.kind === 139 /* Parameter */) { - return spanInPreviousNode(node); - } - return spanInNode(node.parent); - } - function spanInGreaterThanOrLessThanToken(node) { - if (node.parent.kind === 174 /* TypeAssertionExpression */) { - return spanInNextNode(node); - } - return spanInNode(node.parent); - } - function spanInWhileKeyword(node) { - if (node.parent.kind === 200 /* DoStatement */) { - // Set span on while expression - return textSpanEndingAtNextToken(node, node.parent.expression); - } - // Default to parent node - return spanInNode(node.parent); - } - function spanInOfKeyword(node) { - if (node.parent.kind === 204 /* ForOfStatement */) { - // set using next token - return spanInNextNode(node); - } - // Default to parent node - return spanInNode(node.parent); - } - } - } - BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; - })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); -})(ts || (ts = {})); -// -// Copyright (c) Microsoft Corporation. All rights reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -// -/// -/* @internal */ -var debugObjectHost = this; -// We need to use 'null' to interface with the managed side. -/* tslint:disable:no-null */ -/* tslint:disable:no-in-operator */ -/* @internal */ -var ts; -(function (ts) { - function logInternalError(logger, err) { - if (logger) { - logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); - } - } - var ScriptSnapshotShimAdapter = (function () { - function ScriptSnapshotShimAdapter(scriptSnapshotShim) { - this.scriptSnapshotShim = scriptSnapshotShim; - } - ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { - return this.scriptSnapshotShim.getText(start, end); - }; - ScriptSnapshotShimAdapter.prototype.getLength = function () { - return this.scriptSnapshotShim.getLength(); - }; - ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { - var oldSnapshotShim = oldSnapshot; - var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); - // TODO: should this be '==='? - if (encoded == null) { - return null; - } - var decoded = JSON.parse(encoded); - return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); - }; - ScriptSnapshotShimAdapter.prototype.dispose = function () { - // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments - // 'in' does not have this effect - if ("dispose" in this.scriptSnapshotShim) { - this.scriptSnapshotShim.dispose(); - } - }; - return ScriptSnapshotShimAdapter; - }()); - var LanguageServiceShimHostAdapter = (function () { - function LanguageServiceShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - this.loggingEnabled = false; - this.tracingEnabled = false; - // if shimHost is a COM object then property check will become method call with no arguments. - // 'in' does not have this effect. - if ("getModuleResolutionsForFile" in this.shimHost) { - this.resolveModuleNames = function (moduleNames, containingFile) { - var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); - return ts.map(moduleNames, function (name) { - var result = ts.lookUp(resolutionsInFile, name); - return result ? { resolvedFileName: result } : undefined; - }); - }; - } - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - LanguageServiceShimHostAdapter.prototype.log = function (s) { - if (this.loggingEnabled) { - this.shimHost.log(s); - } - }; - LanguageServiceShimHostAdapter.prototype.trace = function (s) { - if (this.tracingEnabled) { - this.shimHost.trace(s); - } - }; - LanguageServiceShimHostAdapter.prototype.error = function (s) { - this.shimHost.error(s); - }; - LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { - if (!this.shimHost.getProjectVersion) { - // shimmed host does not support getProjectVersion - return undefined; - } - return this.shimHost.getProjectVersion(); - }; - LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { - return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; - }; - LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { - var settingsJson = this.shimHost.getCompilationSettings(); - // TODO: should this be '==='? - if (settingsJson == null || settingsJson == "") { - throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); - } - return JSON.parse(settingsJson); - }; - LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { - var encoded = this.shimHost.getScriptFileNames(); - return this.files = JSON.parse(encoded); - }; - LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { - var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); - return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); - }; - LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { - return this.shimHost.getScriptVersion(fileName); - }; - LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { - var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); - if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { - return null; - } - try { - return JSON.parse(diagnosticMessagesJson); - } - catch (e) { - this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); - return null; - } - }; - LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { - var hostCancellationToken = this.shimHost.getCancellationToken(); - return new ThrottledCancellationToken(hostCancellationToken); - }; - LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { - return this.shimHost.getCurrentDirectory(); - }; - LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { - return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); - }; - return LanguageServiceShimHostAdapter; - }()); - ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; - /** A cancellation that throttles calls to the host */ - var ThrottledCancellationToken = (function () { - function ThrottledCancellationToken(hostCancellationToken) { - this.hostCancellationToken = hostCancellationToken; - // Store when we last tried to cancel. Checking cancellation can be expensive (as we have - // to marshall over to the host layer). So we only bother actually checking once enough - // time has passed. - this.lastCancellationCheckTime = 0; - } - ThrottledCancellationToken.prototype.isCancellationRequested = function () { - var time = Date.now(); - var duration = Math.abs(time - this.lastCancellationCheckTime); - if (duration > 10) { - // Check no more than once every 10 ms. - this.lastCancellationCheckTime = time; - return this.hostCancellationToken.isCancellationRequested(); - } - return false; - }; - return ThrottledCancellationToken; - }()); - var CoreServicesShimHostAdapter = (function () { - function CoreServicesShimHostAdapter(shimHost) { - var _this = this; - this.shimHost = shimHost; - if ("directoryExists" in this.shimHost) { - this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; - } - } - CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { - var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); - return JSON.parse(encoded); - }; - CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { - return this.shimHost.fileExists(fileName); - }; - CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { - return this.shimHost.readFile(fileName); - }; - return CoreServicesShimHostAdapter; - }()); - ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; - function simpleForwardCall(logger, actionDescription, action, logPerformance) { - var start; - if (logPerformance) { - logger.log(actionDescription); - start = Date.now(); - } - var result = action(); - if (logPerformance) { - var end = Date.now(); - logger.log(actionDescription + " completed in " + (end - start) + " msec"); - if (typeof result === "string") { - var str = result; - if (str.length > 128) { - str = str.substring(0, 128) + "..."; - } - logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); - } - } - return result; - } - function forwardJSONCall(logger, actionDescription, action, logPerformance) { - try { - var result = simpleForwardCall(logger, actionDescription, action, logPerformance); - return JSON.stringify({ result: result }); - } - catch (err) { - if (err instanceof ts.OperationCanceledException) { - return JSON.stringify({ canceled: true }); - } - logInternalError(logger, err); - err.description = actionDescription; - return JSON.stringify({ error: err }); - } - } - var ShimBase = (function () { - function ShimBase(factory) { - this.factory = factory; - factory.registerShim(this); - } - ShimBase.prototype.dispose = function (dummy) { - this.factory.unregisterShim(this); - }; - return ShimBase; - }()); - function realizeDiagnostics(diagnostics, newLine) { - return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); - } - ts.realizeDiagnostics = realizeDiagnostics; - function realizeDiagnostic(diagnostic, newLine) { - return { - message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), - start: diagnostic.start, - length: diagnostic.length, - /// TODO: no need for the tolowerCase call - category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), - code: diagnostic.code - }; - } - var LanguageServiceShimObject = (function (_super) { - __extends(LanguageServiceShimObject, _super); - function LanguageServiceShimObject(factory, host, languageService) { - _super.call(this, factory); - this.host = host; - this.languageService = languageService; - this.logPerformance = false; - this.logger = this.host; - } - LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - /// DISPOSE - /** - * Ensure (almost) deterministic release of internal Javascript resources when - * some external native objects holds onto us (e.g. Com/Interop). - */ - LanguageServiceShimObject.prototype.dispose = function (dummy) { - this.logger.log("dispose()"); - this.languageService.dispose(); - this.languageService = null; - // force a GC - if (debugObjectHost && debugObjectHost.CollectGarbage) { - debugObjectHost.CollectGarbage(); - this.logger.log("CollectGarbage()"); - } - this.logger = null; - _super.prototype.dispose.call(this, dummy); - }; - /// REFRESH - /** - * Update the list of scripts known to the compiler - */ - LanguageServiceShimObject.prototype.refresh = function (throwOnError) { - this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); - }; - LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { - var _this = this; - this.forwardJSONCall("cleanupSemanticCache()", function () { - _this.languageService.cleanupSemanticCache(); - return null; - }); - }; - LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { - var newLine = ts.getNewLineOrDefaultFromHost(this.host); - return ts.realizeDiagnostics(diagnostics, newLine); - }; - LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); - }; - LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", - // directly serialize the spans out to a string. This is much faster to decode - // on the managed side versus a full JSON array. - function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { - var _this = this; - return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", - // directly serialize the spans out to a string. This is much faster to decode - // on the managed side versus a full JSON array. - function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); - }; - LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { - var _this = this; - return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { - var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); - return _this.realizeDiagnostics(diagnostics); - }); - }; - LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { - var _this = this; - return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { - var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); - return _this.realizeDiagnostics(diagnostics); - }); - }; - /// QUICKINFO - /** - * Computes a string representation of the type at the requested position - * in the active file. - */ - LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); - }; - /// NAMEORDOTTEDNAMESPAN - /** - * Computes span information of the name or dotted name at the requested position - * in the active file. - */ - LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { - var _this = this; - return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); - }; - /** - * STATEMENTSPAN - * Computes span information of statement at the requested position in the active file. - */ - LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); - }; - /// SIGNATUREHELP - LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); - }; - /// GOTO DEFINITION - /** - * Computes the definition location and file for the symbol - * at the requested position. - */ - LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); - }; - /// GOTO Type - /** - * Computes the definition location of the type of the symbol - * at the requested position. - */ - LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { - var _this = this; - return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); - }; - /// GET BRACE MATCHING - LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); - }; - /// GET SMART INDENT - LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) { - var _this = this; - return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); - }); - }; - /// GET REFERENCES - LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); - }; - LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { - var _this = this; - return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { - var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); - // workaround for VS document higlighting issue - keep only items from the initial file - var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); - return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); - }); - }; - /// COMPLETION LISTS - /** - * Get a string based representation of the completions - * to provide at the given source position and providing a member completion - * list if requested. - */ - LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); - }; - /** Get a string based representation of a completion list entry details */ - LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { - var _this = this; - return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) { - var _this = this; - return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { - var localOptions = JSON.parse(options); - return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); - }); - }; - LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { - var _this = this; - return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); - }; - /// NAVIGATE TO - /** Return a list of symbols that are interesting to navigate to */ - LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { - var _this = this; - return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); - }; - LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { - var _this = this; - return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); - }; - LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { - var _this = this; - return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); - }; - LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { - var _this = this; - return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); - }; - /// Emit - LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { - var _this = this; - return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); - }; - return LanguageServiceShimObject; - }(ShimBase)); - function convertClassifications(classifications) { - return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; - } - var ClassifierShimObject = (function (_super) { - __extends(ClassifierShimObject, _super); - function ClassifierShimObject(factory, logger) { - _super.call(this, factory); - this.logger = logger; - this.logPerformance = false; - this.classifier = ts.createClassifier(); - } - ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { - var _this = this; - return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); - }; - /// COLORIZATION - ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { - var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); - var result = ""; - for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { - var item = _a[_i]; - result += item.length + "\n"; - result += item.classification + "\n"; - } - result += classification.finalLexState; - return result; - }; - return ClassifierShimObject; - }(ShimBase)); - var CoreServicesShimObject = (function (_super) { - __extends(CoreServicesShimObject, _super); - function CoreServicesShimObject(factory, logger, host) { - _super.call(this, factory); - this.logger = logger; - this.host = host; - this.logPerformance = false; - } - CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { - return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); - }; - CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { - var _this = this; - return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { - var compilerOptions = JSON.parse(compilerOptionsJson); - var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); - return { - resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, - failedLookupLocations: result.failedLookupLocations - }; - }); - }; - CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { - return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { - // for now treat files as JavaScript - var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true); - var convertResult = { - referencedFiles: [], - importedFiles: [], - ambientExternalModules: result.ambientExternalModules, - isLibFile: result.isLibFile - }; - ts.forEach(result.referencedFiles, function (refFile) { - convertResult.referencedFiles.push({ - path: ts.normalizePath(refFile.fileName), - position: refFile.pos, - length: refFile.end - refFile.pos - }); - }); - ts.forEach(result.importedFiles, function (importedFile) { - convertResult.importedFiles.push({ - path: ts.normalizeSlashes(importedFile.fileName), - position: importedFile.pos, - length: importedFile.end - importedFile.pos - }); - }); - return convertResult; - }); - }; - CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { - var _this = this; - return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { - var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); - var result = ts.parseConfigFileTextToJson(fileName, text); - if (result.error) { - return { - options: {}, - files: [], - errors: [realizeDiagnostic(result.error, "\r\n")] - }; - } - var normalizedFileName = ts.normalizeSlashes(fileName); - var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName); - return { - options: configFile.options, - files: configFile.fileNames, - errors: realizeDiagnostics(configFile.errors, "\r\n") - }; - }); - }; - CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { - return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); - }; - return CoreServicesShimObject; - }(ShimBase)); - var TypeScriptServicesFactory = (function () { - function TypeScriptServicesFactory() { - this._shims = []; - } - /* - * Returns script API version. - */ - TypeScriptServicesFactory.prototype.getServicesVersion = function () { - return ts.servicesVersion; - }; - TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { - try { - if (this.documentRegistry === undefined) { - this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); - } - var hostAdapter = new LanguageServiceShimHostAdapter(host); - var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); - return new LanguageServiceShimObject(this, host, languageService); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { - try { - return new ClassifierShimObject(this, logger); - } - catch (err) { - logInternalError(logger, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { - try { - var adapter = new CoreServicesShimHostAdapter(host); - return new CoreServicesShimObject(this, host, adapter); - } - catch (err) { - logInternalError(host, err); - throw err; - } - }; - TypeScriptServicesFactory.prototype.close = function () { - // Forget all the registered shims - this._shims = []; - this.documentRegistry = undefined; - }; - TypeScriptServicesFactory.prototype.registerShim = function (shim) { - this._shims.push(shim); - }; - TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { - for (var i = 0, n = this._shims.length; i < n; i++) { - if (this._shims[i] === shim) { - delete this._shims[i]; - return; - } - } - throw new Error("Invalid operation"); - }; - return TypeScriptServicesFactory; - }()); - ts.TypeScriptServicesFactory = TypeScriptServicesFactory; - if (typeof module !== "undefined" && module.exports) { - module.exports = ts; - } -})(ts || (ts = {})); -/* tslint:enable:no-in-operator */ -/* tslint:enable:no-null */ -/// TODO: this is used by VS, clean this up on both sides of the interface -/* @internal */ -var TypeScript; -(function (TypeScript) { - var Services; - (function (Services) { - Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; - })(Services = TypeScript.Services || (TypeScript.Services = {})); -})(TypeScript || (TypeScript = {})); -/* tslint:disable:no-unused-variable */ -// 'toolsVersion' gets consumed by the managed side, so it's not unused. -// TODO: it should be moved into a namespace though. -/* @internal */ -var toolsVersion = "1.8"; -/* tslint:enable:no-unused-variable */ +var __extends = (this && this.__extends) || function (d, b) { + for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); +}; +var ts; +(function (ts) { + // token > SyntaxKind.Identifer => token is a keyword + // Also, If you add a new SyntaxKind be sure to keep the `Markers` section at the bottom in sync + (function (SyntaxKind) { + SyntaxKind[SyntaxKind["Unknown"] = 0] = "Unknown"; + SyntaxKind[SyntaxKind["EndOfFileToken"] = 1] = "EndOfFileToken"; + SyntaxKind[SyntaxKind["SingleLineCommentTrivia"] = 2] = "SingleLineCommentTrivia"; + SyntaxKind[SyntaxKind["MultiLineCommentTrivia"] = 3] = "MultiLineCommentTrivia"; + SyntaxKind[SyntaxKind["NewLineTrivia"] = 4] = "NewLineTrivia"; + SyntaxKind[SyntaxKind["WhitespaceTrivia"] = 5] = "WhitespaceTrivia"; + // We detect and preserve #! on the first line + SyntaxKind[SyntaxKind["ShebangTrivia"] = 6] = "ShebangTrivia"; + // We detect and provide better error recovery when we encounter a git merge marker. This + // allows us to edit files with git-conflict markers in them in a much more pleasant manner. + SyntaxKind[SyntaxKind["ConflictMarkerTrivia"] = 7] = "ConflictMarkerTrivia"; + // Literals + SyntaxKind[SyntaxKind["NumericLiteral"] = 8] = "NumericLiteral"; + SyntaxKind[SyntaxKind["StringLiteral"] = 9] = "StringLiteral"; + SyntaxKind[SyntaxKind["RegularExpressionLiteral"] = 10] = "RegularExpressionLiteral"; + SyntaxKind[SyntaxKind["NoSubstitutionTemplateLiteral"] = 11] = "NoSubstitutionTemplateLiteral"; + // Pseudo-literals + SyntaxKind[SyntaxKind["TemplateHead"] = 12] = "TemplateHead"; + SyntaxKind[SyntaxKind["TemplateMiddle"] = 13] = "TemplateMiddle"; + SyntaxKind[SyntaxKind["TemplateTail"] = 14] = "TemplateTail"; + // Punctuation + SyntaxKind[SyntaxKind["OpenBraceToken"] = 15] = "OpenBraceToken"; + SyntaxKind[SyntaxKind["CloseBraceToken"] = 16] = "CloseBraceToken"; + SyntaxKind[SyntaxKind["OpenParenToken"] = 17] = "OpenParenToken"; + SyntaxKind[SyntaxKind["CloseParenToken"] = 18] = "CloseParenToken"; + SyntaxKind[SyntaxKind["OpenBracketToken"] = 19] = "OpenBracketToken"; + SyntaxKind[SyntaxKind["CloseBracketToken"] = 20] = "CloseBracketToken"; + SyntaxKind[SyntaxKind["DotToken"] = 21] = "DotToken"; + SyntaxKind[SyntaxKind["DotDotDotToken"] = 22] = "DotDotDotToken"; + SyntaxKind[SyntaxKind["SemicolonToken"] = 23] = "SemicolonToken"; + SyntaxKind[SyntaxKind["CommaToken"] = 24] = "CommaToken"; + SyntaxKind[SyntaxKind["LessThanToken"] = 25] = "LessThanToken"; + SyntaxKind[SyntaxKind["LessThanSlashToken"] = 26] = "LessThanSlashToken"; + SyntaxKind[SyntaxKind["GreaterThanToken"] = 27] = "GreaterThanToken"; + SyntaxKind[SyntaxKind["LessThanEqualsToken"] = 28] = "LessThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanEqualsToken"] = 29] = "GreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["EqualsEqualsToken"] = 30] = "EqualsEqualsToken"; + SyntaxKind[SyntaxKind["ExclamationEqualsToken"] = 31] = "ExclamationEqualsToken"; + SyntaxKind[SyntaxKind["EqualsEqualsEqualsToken"] = 32] = "EqualsEqualsEqualsToken"; + SyntaxKind[SyntaxKind["ExclamationEqualsEqualsToken"] = 33] = "ExclamationEqualsEqualsToken"; + SyntaxKind[SyntaxKind["EqualsGreaterThanToken"] = 34] = "EqualsGreaterThanToken"; + SyntaxKind[SyntaxKind["PlusToken"] = 35] = "PlusToken"; + SyntaxKind[SyntaxKind["MinusToken"] = 36] = "MinusToken"; + SyntaxKind[SyntaxKind["AsteriskToken"] = 37] = "AsteriskToken"; + SyntaxKind[SyntaxKind["AsteriskAsteriskToken"] = 38] = "AsteriskAsteriskToken"; + SyntaxKind[SyntaxKind["SlashToken"] = 39] = "SlashToken"; + SyntaxKind[SyntaxKind["PercentToken"] = 40] = "PercentToken"; + SyntaxKind[SyntaxKind["PlusPlusToken"] = 41] = "PlusPlusToken"; + SyntaxKind[SyntaxKind["MinusMinusToken"] = 42] = "MinusMinusToken"; + SyntaxKind[SyntaxKind["LessThanLessThanToken"] = 43] = "LessThanLessThanToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanToken"] = 44] = "GreaterThanGreaterThanToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanToken"] = 45] = "GreaterThanGreaterThanGreaterThanToken"; + SyntaxKind[SyntaxKind["AmpersandToken"] = 46] = "AmpersandToken"; + SyntaxKind[SyntaxKind["BarToken"] = 47] = "BarToken"; + SyntaxKind[SyntaxKind["CaretToken"] = 48] = "CaretToken"; + SyntaxKind[SyntaxKind["ExclamationToken"] = 49] = "ExclamationToken"; + SyntaxKind[SyntaxKind["TildeToken"] = 50] = "TildeToken"; + SyntaxKind[SyntaxKind["AmpersandAmpersandToken"] = 51] = "AmpersandAmpersandToken"; + SyntaxKind[SyntaxKind["BarBarToken"] = 52] = "BarBarToken"; + SyntaxKind[SyntaxKind["QuestionToken"] = 53] = "QuestionToken"; + SyntaxKind[SyntaxKind["ColonToken"] = 54] = "ColonToken"; + SyntaxKind[SyntaxKind["AtToken"] = 55] = "AtToken"; + // Assignments + SyntaxKind[SyntaxKind["EqualsToken"] = 56] = "EqualsToken"; + SyntaxKind[SyntaxKind["PlusEqualsToken"] = 57] = "PlusEqualsToken"; + SyntaxKind[SyntaxKind["MinusEqualsToken"] = 58] = "MinusEqualsToken"; + SyntaxKind[SyntaxKind["AsteriskEqualsToken"] = 59] = "AsteriskEqualsToken"; + SyntaxKind[SyntaxKind["AsteriskAsteriskEqualsToken"] = 60] = "AsteriskAsteriskEqualsToken"; + SyntaxKind[SyntaxKind["SlashEqualsToken"] = 61] = "SlashEqualsToken"; + SyntaxKind[SyntaxKind["PercentEqualsToken"] = 62] = "PercentEqualsToken"; + SyntaxKind[SyntaxKind["LessThanLessThanEqualsToken"] = 63] = "LessThanLessThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanEqualsToken"] = 64] = "GreaterThanGreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["GreaterThanGreaterThanGreaterThanEqualsToken"] = 65] = "GreaterThanGreaterThanGreaterThanEqualsToken"; + SyntaxKind[SyntaxKind["AmpersandEqualsToken"] = 66] = "AmpersandEqualsToken"; + SyntaxKind[SyntaxKind["BarEqualsToken"] = 67] = "BarEqualsToken"; + SyntaxKind[SyntaxKind["CaretEqualsToken"] = 68] = "CaretEqualsToken"; + // Identifiers + SyntaxKind[SyntaxKind["Identifier"] = 69] = "Identifier"; + // Reserved words + SyntaxKind[SyntaxKind["BreakKeyword"] = 70] = "BreakKeyword"; + SyntaxKind[SyntaxKind["CaseKeyword"] = 71] = "CaseKeyword"; + SyntaxKind[SyntaxKind["CatchKeyword"] = 72] = "CatchKeyword"; + SyntaxKind[SyntaxKind["ClassKeyword"] = 73] = "ClassKeyword"; + SyntaxKind[SyntaxKind["ConstKeyword"] = 74] = "ConstKeyword"; + SyntaxKind[SyntaxKind["ContinueKeyword"] = 75] = "ContinueKeyword"; + SyntaxKind[SyntaxKind["DebuggerKeyword"] = 76] = "DebuggerKeyword"; + SyntaxKind[SyntaxKind["DefaultKeyword"] = 77] = "DefaultKeyword"; + SyntaxKind[SyntaxKind["DeleteKeyword"] = 78] = "DeleteKeyword"; + SyntaxKind[SyntaxKind["DoKeyword"] = 79] = "DoKeyword"; + SyntaxKind[SyntaxKind["ElseKeyword"] = 80] = "ElseKeyword"; + SyntaxKind[SyntaxKind["EnumKeyword"] = 81] = "EnumKeyword"; + SyntaxKind[SyntaxKind["ExportKeyword"] = 82] = "ExportKeyword"; + SyntaxKind[SyntaxKind["ExtendsKeyword"] = 83] = "ExtendsKeyword"; + SyntaxKind[SyntaxKind["FalseKeyword"] = 84] = "FalseKeyword"; + SyntaxKind[SyntaxKind["FinallyKeyword"] = 85] = "FinallyKeyword"; + SyntaxKind[SyntaxKind["ForKeyword"] = 86] = "ForKeyword"; + SyntaxKind[SyntaxKind["FunctionKeyword"] = 87] = "FunctionKeyword"; + SyntaxKind[SyntaxKind["IfKeyword"] = 88] = "IfKeyword"; + SyntaxKind[SyntaxKind["ImportKeyword"] = 89] = "ImportKeyword"; + SyntaxKind[SyntaxKind["InKeyword"] = 90] = "InKeyword"; + SyntaxKind[SyntaxKind["InstanceOfKeyword"] = 91] = "InstanceOfKeyword"; + SyntaxKind[SyntaxKind["NewKeyword"] = 92] = "NewKeyword"; + SyntaxKind[SyntaxKind["NullKeyword"] = 93] = "NullKeyword"; + SyntaxKind[SyntaxKind["ReturnKeyword"] = 94] = "ReturnKeyword"; + SyntaxKind[SyntaxKind["SuperKeyword"] = 95] = "SuperKeyword"; + SyntaxKind[SyntaxKind["SwitchKeyword"] = 96] = "SwitchKeyword"; + SyntaxKind[SyntaxKind["ThisKeyword"] = 97] = "ThisKeyword"; + SyntaxKind[SyntaxKind["ThrowKeyword"] = 98] = "ThrowKeyword"; + SyntaxKind[SyntaxKind["TrueKeyword"] = 99] = "TrueKeyword"; + SyntaxKind[SyntaxKind["TryKeyword"] = 100] = "TryKeyword"; + SyntaxKind[SyntaxKind["TypeOfKeyword"] = 101] = "TypeOfKeyword"; + SyntaxKind[SyntaxKind["VarKeyword"] = 102] = "VarKeyword"; + SyntaxKind[SyntaxKind["VoidKeyword"] = 103] = "VoidKeyword"; + SyntaxKind[SyntaxKind["WhileKeyword"] = 104] = "WhileKeyword"; + SyntaxKind[SyntaxKind["WithKeyword"] = 105] = "WithKeyword"; + // Strict mode reserved words + SyntaxKind[SyntaxKind["ImplementsKeyword"] = 106] = "ImplementsKeyword"; + SyntaxKind[SyntaxKind["InterfaceKeyword"] = 107] = "InterfaceKeyword"; + SyntaxKind[SyntaxKind["LetKeyword"] = 108] = "LetKeyword"; + SyntaxKind[SyntaxKind["PackageKeyword"] = 109] = "PackageKeyword"; + SyntaxKind[SyntaxKind["PrivateKeyword"] = 110] = "PrivateKeyword"; + SyntaxKind[SyntaxKind["ProtectedKeyword"] = 111] = "ProtectedKeyword"; + SyntaxKind[SyntaxKind["PublicKeyword"] = 112] = "PublicKeyword"; + SyntaxKind[SyntaxKind["StaticKeyword"] = 113] = "StaticKeyword"; + SyntaxKind[SyntaxKind["YieldKeyword"] = 114] = "YieldKeyword"; + // Contextual keywords + SyntaxKind[SyntaxKind["AbstractKeyword"] = 115] = "AbstractKeyword"; + SyntaxKind[SyntaxKind["AsKeyword"] = 116] = "AsKeyword"; + SyntaxKind[SyntaxKind["AnyKeyword"] = 117] = "AnyKeyword"; + SyntaxKind[SyntaxKind["AsyncKeyword"] = 118] = "AsyncKeyword"; + SyntaxKind[SyntaxKind["AwaitKeyword"] = 119] = "AwaitKeyword"; + SyntaxKind[SyntaxKind["BooleanKeyword"] = 120] = "BooleanKeyword"; + SyntaxKind[SyntaxKind["ConstructorKeyword"] = 121] = "ConstructorKeyword"; + SyntaxKind[SyntaxKind["DeclareKeyword"] = 122] = "DeclareKeyword"; + SyntaxKind[SyntaxKind["GetKeyword"] = 123] = "GetKeyword"; + SyntaxKind[SyntaxKind["IsKeyword"] = 124] = "IsKeyword"; + SyntaxKind[SyntaxKind["ModuleKeyword"] = 125] = "ModuleKeyword"; + SyntaxKind[SyntaxKind["NamespaceKeyword"] = 126] = "NamespaceKeyword"; + SyntaxKind[SyntaxKind["RequireKeyword"] = 127] = "RequireKeyword"; + SyntaxKind[SyntaxKind["NumberKeyword"] = 128] = "NumberKeyword"; + SyntaxKind[SyntaxKind["SetKeyword"] = 129] = "SetKeyword"; + SyntaxKind[SyntaxKind["StringKeyword"] = 130] = "StringKeyword"; + SyntaxKind[SyntaxKind["SymbolKeyword"] = 131] = "SymbolKeyword"; + SyntaxKind[SyntaxKind["TypeKeyword"] = 132] = "TypeKeyword"; + SyntaxKind[SyntaxKind["FromKeyword"] = 133] = "FromKeyword"; + SyntaxKind[SyntaxKind["GlobalKeyword"] = 134] = "GlobalKeyword"; + SyntaxKind[SyntaxKind["OfKeyword"] = 135] = "OfKeyword"; + // Parse tree nodes + // Names + SyntaxKind[SyntaxKind["QualifiedName"] = 136] = "QualifiedName"; + SyntaxKind[SyntaxKind["ComputedPropertyName"] = 137] = "ComputedPropertyName"; + // Signature elements + SyntaxKind[SyntaxKind["TypeParameter"] = 138] = "TypeParameter"; + SyntaxKind[SyntaxKind["Parameter"] = 139] = "Parameter"; + SyntaxKind[SyntaxKind["Decorator"] = 140] = "Decorator"; + // TypeMember + SyntaxKind[SyntaxKind["PropertySignature"] = 141] = "PropertySignature"; + SyntaxKind[SyntaxKind["PropertyDeclaration"] = 142] = "PropertyDeclaration"; + SyntaxKind[SyntaxKind["MethodSignature"] = 143] = "MethodSignature"; + SyntaxKind[SyntaxKind["MethodDeclaration"] = 144] = "MethodDeclaration"; + SyntaxKind[SyntaxKind["Constructor"] = 145] = "Constructor"; + SyntaxKind[SyntaxKind["GetAccessor"] = 146] = "GetAccessor"; + SyntaxKind[SyntaxKind["SetAccessor"] = 147] = "SetAccessor"; + SyntaxKind[SyntaxKind["CallSignature"] = 148] = "CallSignature"; + SyntaxKind[SyntaxKind["ConstructSignature"] = 149] = "ConstructSignature"; + SyntaxKind[SyntaxKind["IndexSignature"] = 150] = "IndexSignature"; + // Type + SyntaxKind[SyntaxKind["TypePredicate"] = 151] = "TypePredicate"; + SyntaxKind[SyntaxKind["TypeReference"] = 152] = "TypeReference"; + SyntaxKind[SyntaxKind["FunctionType"] = 153] = "FunctionType"; + SyntaxKind[SyntaxKind["ConstructorType"] = 154] = "ConstructorType"; + SyntaxKind[SyntaxKind["TypeQuery"] = 155] = "TypeQuery"; + SyntaxKind[SyntaxKind["TypeLiteral"] = 156] = "TypeLiteral"; + SyntaxKind[SyntaxKind["ArrayType"] = 157] = "ArrayType"; + SyntaxKind[SyntaxKind["TupleType"] = 158] = "TupleType"; + SyntaxKind[SyntaxKind["UnionType"] = 159] = "UnionType"; + SyntaxKind[SyntaxKind["IntersectionType"] = 160] = "IntersectionType"; + SyntaxKind[SyntaxKind["ParenthesizedType"] = 161] = "ParenthesizedType"; + SyntaxKind[SyntaxKind["ThisType"] = 162] = "ThisType"; + SyntaxKind[SyntaxKind["StringLiteralType"] = 163] = "StringLiteralType"; + // Binding patterns + SyntaxKind[SyntaxKind["ObjectBindingPattern"] = 164] = "ObjectBindingPattern"; + SyntaxKind[SyntaxKind["ArrayBindingPattern"] = 165] = "ArrayBindingPattern"; + SyntaxKind[SyntaxKind["BindingElement"] = 166] = "BindingElement"; + // Expression + SyntaxKind[SyntaxKind["ArrayLiteralExpression"] = 167] = "ArrayLiteralExpression"; + SyntaxKind[SyntaxKind["ObjectLiteralExpression"] = 168] = "ObjectLiteralExpression"; + SyntaxKind[SyntaxKind["PropertyAccessExpression"] = 169] = "PropertyAccessExpression"; + SyntaxKind[SyntaxKind["ElementAccessExpression"] = 170] = "ElementAccessExpression"; + SyntaxKind[SyntaxKind["CallExpression"] = 171] = "CallExpression"; + SyntaxKind[SyntaxKind["NewExpression"] = 172] = "NewExpression"; + SyntaxKind[SyntaxKind["TaggedTemplateExpression"] = 173] = "TaggedTemplateExpression"; + SyntaxKind[SyntaxKind["TypeAssertionExpression"] = 174] = "TypeAssertionExpression"; + SyntaxKind[SyntaxKind["ParenthesizedExpression"] = 175] = "ParenthesizedExpression"; + SyntaxKind[SyntaxKind["FunctionExpression"] = 176] = "FunctionExpression"; + SyntaxKind[SyntaxKind["ArrowFunction"] = 177] = "ArrowFunction"; + SyntaxKind[SyntaxKind["DeleteExpression"] = 178] = "DeleteExpression"; + SyntaxKind[SyntaxKind["TypeOfExpression"] = 179] = "TypeOfExpression"; + SyntaxKind[SyntaxKind["VoidExpression"] = 180] = "VoidExpression"; + SyntaxKind[SyntaxKind["AwaitExpression"] = 181] = "AwaitExpression"; + SyntaxKind[SyntaxKind["PrefixUnaryExpression"] = 182] = "PrefixUnaryExpression"; + SyntaxKind[SyntaxKind["PostfixUnaryExpression"] = 183] = "PostfixUnaryExpression"; + SyntaxKind[SyntaxKind["BinaryExpression"] = 184] = "BinaryExpression"; + SyntaxKind[SyntaxKind["ConditionalExpression"] = 185] = "ConditionalExpression"; + SyntaxKind[SyntaxKind["TemplateExpression"] = 186] = "TemplateExpression"; + SyntaxKind[SyntaxKind["YieldExpression"] = 187] = "YieldExpression"; + SyntaxKind[SyntaxKind["SpreadElementExpression"] = 188] = "SpreadElementExpression"; + SyntaxKind[SyntaxKind["ClassExpression"] = 189] = "ClassExpression"; + SyntaxKind[SyntaxKind["OmittedExpression"] = 190] = "OmittedExpression"; + SyntaxKind[SyntaxKind["ExpressionWithTypeArguments"] = 191] = "ExpressionWithTypeArguments"; + SyntaxKind[SyntaxKind["AsExpression"] = 192] = "AsExpression"; + // Misc + SyntaxKind[SyntaxKind["TemplateSpan"] = 193] = "TemplateSpan"; + SyntaxKind[SyntaxKind["SemicolonClassElement"] = 194] = "SemicolonClassElement"; + // Element + SyntaxKind[SyntaxKind["Block"] = 195] = "Block"; + SyntaxKind[SyntaxKind["VariableStatement"] = 196] = "VariableStatement"; + SyntaxKind[SyntaxKind["EmptyStatement"] = 197] = "EmptyStatement"; + SyntaxKind[SyntaxKind["ExpressionStatement"] = 198] = "ExpressionStatement"; + SyntaxKind[SyntaxKind["IfStatement"] = 199] = "IfStatement"; + SyntaxKind[SyntaxKind["DoStatement"] = 200] = "DoStatement"; + SyntaxKind[SyntaxKind["WhileStatement"] = 201] = "WhileStatement"; + SyntaxKind[SyntaxKind["ForStatement"] = 202] = "ForStatement"; + SyntaxKind[SyntaxKind["ForInStatement"] = 203] = "ForInStatement"; + SyntaxKind[SyntaxKind["ForOfStatement"] = 204] = "ForOfStatement"; + SyntaxKind[SyntaxKind["ContinueStatement"] = 205] = "ContinueStatement"; + SyntaxKind[SyntaxKind["BreakStatement"] = 206] = "BreakStatement"; + SyntaxKind[SyntaxKind["ReturnStatement"] = 207] = "ReturnStatement"; + SyntaxKind[SyntaxKind["WithStatement"] = 208] = "WithStatement"; + SyntaxKind[SyntaxKind["SwitchStatement"] = 209] = "SwitchStatement"; + SyntaxKind[SyntaxKind["LabeledStatement"] = 210] = "LabeledStatement"; + SyntaxKind[SyntaxKind["ThrowStatement"] = 211] = "ThrowStatement"; + SyntaxKind[SyntaxKind["TryStatement"] = 212] = "TryStatement"; + SyntaxKind[SyntaxKind["DebuggerStatement"] = 213] = "DebuggerStatement"; + SyntaxKind[SyntaxKind["VariableDeclaration"] = 214] = "VariableDeclaration"; + SyntaxKind[SyntaxKind["VariableDeclarationList"] = 215] = "VariableDeclarationList"; + SyntaxKind[SyntaxKind["FunctionDeclaration"] = 216] = "FunctionDeclaration"; + SyntaxKind[SyntaxKind["ClassDeclaration"] = 217] = "ClassDeclaration"; + SyntaxKind[SyntaxKind["InterfaceDeclaration"] = 218] = "InterfaceDeclaration"; + SyntaxKind[SyntaxKind["TypeAliasDeclaration"] = 219] = "TypeAliasDeclaration"; + SyntaxKind[SyntaxKind["EnumDeclaration"] = 220] = "EnumDeclaration"; + SyntaxKind[SyntaxKind["ModuleDeclaration"] = 221] = "ModuleDeclaration"; + SyntaxKind[SyntaxKind["ModuleBlock"] = 222] = "ModuleBlock"; + SyntaxKind[SyntaxKind["CaseBlock"] = 223] = "CaseBlock"; + SyntaxKind[SyntaxKind["ImportEqualsDeclaration"] = 224] = "ImportEqualsDeclaration"; + SyntaxKind[SyntaxKind["ImportDeclaration"] = 225] = "ImportDeclaration"; + SyntaxKind[SyntaxKind["ImportClause"] = 226] = "ImportClause"; + SyntaxKind[SyntaxKind["NamespaceImport"] = 227] = "NamespaceImport"; + SyntaxKind[SyntaxKind["NamedImports"] = 228] = "NamedImports"; + SyntaxKind[SyntaxKind["ImportSpecifier"] = 229] = "ImportSpecifier"; + SyntaxKind[SyntaxKind["ExportAssignment"] = 230] = "ExportAssignment"; + SyntaxKind[SyntaxKind["ExportDeclaration"] = 231] = "ExportDeclaration"; + SyntaxKind[SyntaxKind["NamedExports"] = 232] = "NamedExports"; + SyntaxKind[SyntaxKind["ExportSpecifier"] = 233] = "ExportSpecifier"; + SyntaxKind[SyntaxKind["MissingDeclaration"] = 234] = "MissingDeclaration"; + // Module references + SyntaxKind[SyntaxKind["ExternalModuleReference"] = 235] = "ExternalModuleReference"; + // JSX + SyntaxKind[SyntaxKind["JsxElement"] = 236] = "JsxElement"; + SyntaxKind[SyntaxKind["JsxSelfClosingElement"] = 237] = "JsxSelfClosingElement"; + SyntaxKind[SyntaxKind["JsxOpeningElement"] = 238] = "JsxOpeningElement"; + SyntaxKind[SyntaxKind["JsxText"] = 239] = "JsxText"; + SyntaxKind[SyntaxKind["JsxClosingElement"] = 240] = "JsxClosingElement"; + SyntaxKind[SyntaxKind["JsxAttribute"] = 241] = "JsxAttribute"; + SyntaxKind[SyntaxKind["JsxSpreadAttribute"] = 242] = "JsxSpreadAttribute"; + SyntaxKind[SyntaxKind["JsxExpression"] = 243] = "JsxExpression"; + // Clauses + SyntaxKind[SyntaxKind["CaseClause"] = 244] = "CaseClause"; + SyntaxKind[SyntaxKind["DefaultClause"] = 245] = "DefaultClause"; + SyntaxKind[SyntaxKind["HeritageClause"] = 246] = "HeritageClause"; + SyntaxKind[SyntaxKind["CatchClause"] = 247] = "CatchClause"; + // Property assignments + SyntaxKind[SyntaxKind["PropertyAssignment"] = 248] = "PropertyAssignment"; + SyntaxKind[SyntaxKind["ShorthandPropertyAssignment"] = 249] = "ShorthandPropertyAssignment"; + // Enum + SyntaxKind[SyntaxKind["EnumMember"] = 250] = "EnumMember"; + // Top-level nodes + SyntaxKind[SyntaxKind["SourceFile"] = 251] = "SourceFile"; + // JSDoc nodes + SyntaxKind[SyntaxKind["JSDocTypeExpression"] = 252] = "JSDocTypeExpression"; + // The * type + SyntaxKind[SyntaxKind["JSDocAllType"] = 253] = "JSDocAllType"; + // The ? type + SyntaxKind[SyntaxKind["JSDocUnknownType"] = 254] = "JSDocUnknownType"; + SyntaxKind[SyntaxKind["JSDocArrayType"] = 255] = "JSDocArrayType"; + SyntaxKind[SyntaxKind["JSDocUnionType"] = 256] = "JSDocUnionType"; + SyntaxKind[SyntaxKind["JSDocTupleType"] = 257] = "JSDocTupleType"; + SyntaxKind[SyntaxKind["JSDocNullableType"] = 258] = "JSDocNullableType"; + SyntaxKind[SyntaxKind["JSDocNonNullableType"] = 259] = "JSDocNonNullableType"; + SyntaxKind[SyntaxKind["JSDocRecordType"] = 260] = "JSDocRecordType"; + SyntaxKind[SyntaxKind["JSDocRecordMember"] = 261] = "JSDocRecordMember"; + SyntaxKind[SyntaxKind["JSDocTypeReference"] = 262] = "JSDocTypeReference"; + SyntaxKind[SyntaxKind["JSDocOptionalType"] = 263] = "JSDocOptionalType"; + SyntaxKind[SyntaxKind["JSDocFunctionType"] = 264] = "JSDocFunctionType"; + SyntaxKind[SyntaxKind["JSDocVariadicType"] = 265] = "JSDocVariadicType"; + SyntaxKind[SyntaxKind["JSDocConstructorType"] = 266] = "JSDocConstructorType"; + SyntaxKind[SyntaxKind["JSDocThisType"] = 267] = "JSDocThisType"; + SyntaxKind[SyntaxKind["JSDocComment"] = 268] = "JSDocComment"; + SyntaxKind[SyntaxKind["JSDocTag"] = 269] = "JSDocTag"; + SyntaxKind[SyntaxKind["JSDocParameterTag"] = 270] = "JSDocParameterTag"; + SyntaxKind[SyntaxKind["JSDocReturnTag"] = 271] = "JSDocReturnTag"; + SyntaxKind[SyntaxKind["JSDocTypeTag"] = 272] = "JSDocTypeTag"; + SyntaxKind[SyntaxKind["JSDocTemplateTag"] = 273] = "JSDocTemplateTag"; + // Synthesized list + SyntaxKind[SyntaxKind["SyntaxList"] = 274] = "SyntaxList"; + // Enum value count + SyntaxKind[SyntaxKind["Count"] = 275] = "Count"; + // Markers + SyntaxKind[SyntaxKind["FirstAssignment"] = 56] = "FirstAssignment"; + SyntaxKind[SyntaxKind["LastAssignment"] = 68] = "LastAssignment"; + SyntaxKind[SyntaxKind["FirstReservedWord"] = 70] = "FirstReservedWord"; + SyntaxKind[SyntaxKind["LastReservedWord"] = 105] = "LastReservedWord"; + SyntaxKind[SyntaxKind["FirstKeyword"] = 70] = "FirstKeyword"; + SyntaxKind[SyntaxKind["LastKeyword"] = 135] = "LastKeyword"; + SyntaxKind[SyntaxKind["FirstFutureReservedWord"] = 106] = "FirstFutureReservedWord"; + SyntaxKind[SyntaxKind["LastFutureReservedWord"] = 114] = "LastFutureReservedWord"; + SyntaxKind[SyntaxKind["FirstTypeNode"] = 151] = "FirstTypeNode"; + SyntaxKind[SyntaxKind["LastTypeNode"] = 163] = "LastTypeNode"; + SyntaxKind[SyntaxKind["FirstPunctuation"] = 15] = "FirstPunctuation"; + SyntaxKind[SyntaxKind["LastPunctuation"] = 68] = "LastPunctuation"; + SyntaxKind[SyntaxKind["FirstToken"] = 0] = "FirstToken"; + SyntaxKind[SyntaxKind["LastToken"] = 135] = "LastToken"; + SyntaxKind[SyntaxKind["FirstTriviaToken"] = 2] = "FirstTriviaToken"; + SyntaxKind[SyntaxKind["LastTriviaToken"] = 7] = "LastTriviaToken"; + SyntaxKind[SyntaxKind["FirstLiteralToken"] = 8] = "FirstLiteralToken"; + SyntaxKind[SyntaxKind["LastLiteralToken"] = 11] = "LastLiteralToken"; + SyntaxKind[SyntaxKind["FirstTemplateToken"] = 11] = "FirstTemplateToken"; + SyntaxKind[SyntaxKind["LastTemplateToken"] = 14] = "LastTemplateToken"; + SyntaxKind[SyntaxKind["FirstBinaryOperator"] = 25] = "FirstBinaryOperator"; + SyntaxKind[SyntaxKind["LastBinaryOperator"] = 68] = "LastBinaryOperator"; + SyntaxKind[SyntaxKind["FirstNode"] = 136] = "FirstNode"; + })(ts.SyntaxKind || (ts.SyntaxKind = {})); + var SyntaxKind = ts.SyntaxKind; + (function (NodeFlags) { + NodeFlags[NodeFlags["None"] = 0] = "None"; + NodeFlags[NodeFlags["Export"] = 2] = "Export"; + NodeFlags[NodeFlags["Ambient"] = 4] = "Ambient"; + NodeFlags[NodeFlags["Public"] = 8] = "Public"; + NodeFlags[NodeFlags["Private"] = 16] = "Private"; + NodeFlags[NodeFlags["Protected"] = 32] = "Protected"; + NodeFlags[NodeFlags["Static"] = 64] = "Static"; + NodeFlags[NodeFlags["Abstract"] = 128] = "Abstract"; + NodeFlags[NodeFlags["Async"] = 256] = "Async"; + NodeFlags[NodeFlags["Default"] = 512] = "Default"; + NodeFlags[NodeFlags["MultiLine"] = 1024] = "MultiLine"; + NodeFlags[NodeFlags["Synthetic"] = 2048] = "Synthetic"; + NodeFlags[NodeFlags["DeclarationFile"] = 4096] = "DeclarationFile"; + NodeFlags[NodeFlags["Let"] = 8192] = "Let"; + NodeFlags[NodeFlags["Const"] = 16384] = "Const"; + NodeFlags[NodeFlags["OctalLiteral"] = 32768] = "OctalLiteral"; + NodeFlags[NodeFlags["Namespace"] = 65536] = "Namespace"; + NodeFlags[NodeFlags["ExportContext"] = 131072] = "ExportContext"; + NodeFlags[NodeFlags["ContainsThis"] = 262144] = "ContainsThis"; + NodeFlags[NodeFlags["HasImplicitReturn"] = 524288] = "HasImplicitReturn"; + NodeFlags[NodeFlags["HasExplicitReturn"] = 1048576] = "HasExplicitReturn"; + NodeFlags[NodeFlags["GlobalAugmentation"] = 2097152] = "GlobalAugmentation"; + NodeFlags[NodeFlags["HasClassExtends"] = 4194304] = "HasClassExtends"; + NodeFlags[NodeFlags["HasDecorators"] = 8388608] = "HasDecorators"; + NodeFlags[NodeFlags["HasParamDecorators"] = 16777216] = "HasParamDecorators"; + NodeFlags[NodeFlags["HasAsyncFunctions"] = 33554432] = "HasAsyncFunctions"; + NodeFlags[NodeFlags["Modifier"] = 1022] = "Modifier"; + NodeFlags[NodeFlags["AccessibilityModifier"] = 56] = "AccessibilityModifier"; + NodeFlags[NodeFlags["BlockScoped"] = 24576] = "BlockScoped"; + NodeFlags[NodeFlags["ReachabilityCheckFlags"] = 1572864] = "ReachabilityCheckFlags"; + NodeFlags[NodeFlags["EmitHelperFlags"] = 62914560] = "EmitHelperFlags"; + })(ts.NodeFlags || (ts.NodeFlags = {})); + var NodeFlags = ts.NodeFlags; + /* @internal */ + (function (ParserContextFlags) { + ParserContextFlags[ParserContextFlags["None"] = 0] = "None"; + // If this node was parsed in a context where 'in-expressions' are not allowed. + ParserContextFlags[ParserContextFlags["DisallowIn"] = 1] = "DisallowIn"; + // If this node was parsed in the 'yield' context created when parsing a generator. + ParserContextFlags[ParserContextFlags["Yield"] = 2] = "Yield"; + // If this node was parsed as part of a decorator + ParserContextFlags[ParserContextFlags["Decorator"] = 4] = "Decorator"; + // If this node was parsed in the 'await' context created when parsing an async function. + ParserContextFlags[ParserContextFlags["Await"] = 8] = "Await"; + // If the parser encountered an error when parsing the code that created this node. Note + // the parser only sets this directly on the node it creates right after encountering the + // error. + ParserContextFlags[ParserContextFlags["ThisNodeHasError"] = 16] = "ThisNodeHasError"; + // This node was parsed in a JavaScript file and can be processed differently. For example + // its type can be specified usign a JSDoc comment. + ParserContextFlags[ParserContextFlags["JavaScriptFile"] = 32] = "JavaScriptFile"; + // Context flags set directly by the parser. + ParserContextFlags[ParserContextFlags["ParserGeneratedFlags"] = 31] = "ParserGeneratedFlags"; + // Exclude these flags when parsing a Type + ParserContextFlags[ParserContextFlags["TypeExcludesFlags"] = 10] = "TypeExcludesFlags"; + // Context flags computed by aggregating child flags upwards. + // Used during incremental parsing to determine if this node or any of its children had an + // error. Computed only once and then cached. + ParserContextFlags[ParserContextFlags["ThisNodeOrAnySubNodesHasError"] = 64] = "ThisNodeOrAnySubNodesHasError"; + // Used to know if we've computed data from children and cached it in this node. + ParserContextFlags[ParserContextFlags["HasAggregatedChildData"] = 128] = "HasAggregatedChildData"; + })(ts.ParserContextFlags || (ts.ParserContextFlags = {})); + var ParserContextFlags = ts.ParserContextFlags; + (function (JsxFlags) { + JsxFlags[JsxFlags["None"] = 0] = "None"; + /** An element from a named property of the JSX.IntrinsicElements interface */ + JsxFlags[JsxFlags["IntrinsicNamedElement"] = 1] = "IntrinsicNamedElement"; + /** An element inferred from the string index signature of the JSX.IntrinsicElements interface */ + JsxFlags[JsxFlags["IntrinsicIndexedElement"] = 2] = "IntrinsicIndexedElement"; + /** An element backed by a class, class-like, or function value */ + JsxFlags[JsxFlags["ValueElement"] = 4] = "ValueElement"; + /** Element resolution failed */ + JsxFlags[JsxFlags["UnknownElement"] = 16] = "UnknownElement"; + JsxFlags[JsxFlags["IntrinsicElement"] = 3] = "IntrinsicElement"; + })(ts.JsxFlags || (ts.JsxFlags = {})); + var JsxFlags = ts.JsxFlags; + /* @internal */ + (function (RelationComparisonResult) { + RelationComparisonResult[RelationComparisonResult["Succeeded"] = 1] = "Succeeded"; + RelationComparisonResult[RelationComparisonResult["Failed"] = 2] = "Failed"; + RelationComparisonResult[RelationComparisonResult["FailedAndReported"] = 3] = "FailedAndReported"; + })(ts.RelationComparisonResult || (ts.RelationComparisonResult = {})); + var RelationComparisonResult = ts.RelationComparisonResult; + var OperationCanceledException = (function () { + function OperationCanceledException() { + } + return OperationCanceledException; + }()); + ts.OperationCanceledException = OperationCanceledException; + /** Return code used by getEmitOutput function to indicate status of the function */ + (function (ExitStatus) { + // Compiler ran successfully. Either this was a simple do-nothing compilation (for example, + // when -version or -help was provided, or this was a normal compilation, no diagnostics + // were produced, and all outputs were generated successfully. + ExitStatus[ExitStatus["Success"] = 0] = "Success"; + // Diagnostics were produced and because of them no code was generated. + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsSkipped"] = 1] = "DiagnosticsPresent_OutputsSkipped"; + // Diagnostics were produced and outputs were generated in spite of them. + ExitStatus[ExitStatus["DiagnosticsPresent_OutputsGenerated"] = 2] = "DiagnosticsPresent_OutputsGenerated"; + })(ts.ExitStatus || (ts.ExitStatus = {})); + var ExitStatus = ts.ExitStatus; + (function (TypeFormatFlags) { + TypeFormatFlags[TypeFormatFlags["None"] = 0] = "None"; + TypeFormatFlags[TypeFormatFlags["WriteArrayAsGenericType"] = 1] = "WriteArrayAsGenericType"; + TypeFormatFlags[TypeFormatFlags["UseTypeOfFunction"] = 2] = "UseTypeOfFunction"; + TypeFormatFlags[TypeFormatFlags["NoTruncation"] = 4] = "NoTruncation"; + TypeFormatFlags[TypeFormatFlags["WriteArrowStyleSignature"] = 8] = "WriteArrowStyleSignature"; + TypeFormatFlags[TypeFormatFlags["WriteOwnNameForAnyLike"] = 16] = "WriteOwnNameForAnyLike"; + TypeFormatFlags[TypeFormatFlags["WriteTypeArgumentsOfSignature"] = 32] = "WriteTypeArgumentsOfSignature"; + TypeFormatFlags[TypeFormatFlags["InElementType"] = 64] = "InElementType"; + TypeFormatFlags[TypeFormatFlags["UseFullyQualifiedType"] = 128] = "UseFullyQualifiedType"; + })(ts.TypeFormatFlags || (ts.TypeFormatFlags = {})); + var TypeFormatFlags = ts.TypeFormatFlags; + (function (SymbolFormatFlags) { + SymbolFormatFlags[SymbolFormatFlags["None"] = 0] = "None"; + // Write symbols's type argument if it is instantiated symbol + // eg. class C { p: T } <-- Show p as C.p here + // var a: C; + // var p = a.p; <--- Here p is property of C so show it as C.p instead of just C.p + SymbolFormatFlags[SymbolFormatFlags["WriteTypeParametersOrArguments"] = 1] = "WriteTypeParametersOrArguments"; + // Use only external alias information to get the symbol name in the given context + // eg. module m { export class c { } } import x = m.c; + // When this flag is specified m.c will be used to refer to the class instead of alias symbol x + SymbolFormatFlags[SymbolFormatFlags["UseOnlyExternalAliasing"] = 2] = "UseOnlyExternalAliasing"; + })(ts.SymbolFormatFlags || (ts.SymbolFormatFlags = {})); + var SymbolFormatFlags = ts.SymbolFormatFlags; + /* @internal */ + (function (SymbolAccessibility) { + SymbolAccessibility[SymbolAccessibility["Accessible"] = 0] = "Accessible"; + SymbolAccessibility[SymbolAccessibility["NotAccessible"] = 1] = "NotAccessible"; + SymbolAccessibility[SymbolAccessibility["CannotBeNamed"] = 2] = "CannotBeNamed"; + })(ts.SymbolAccessibility || (ts.SymbolAccessibility = {})); + var SymbolAccessibility = ts.SymbolAccessibility; + (function (TypePredicateKind) { + TypePredicateKind[TypePredicateKind["This"] = 0] = "This"; + TypePredicateKind[TypePredicateKind["Identifier"] = 1] = "Identifier"; + })(ts.TypePredicateKind || (ts.TypePredicateKind = {})); + var TypePredicateKind = ts.TypePredicateKind; + /** Indicates how to serialize the name for a TypeReferenceNode when emitting decorator + * metadata */ + /* @internal */ + (function (TypeReferenceSerializationKind) { + TypeReferenceSerializationKind[TypeReferenceSerializationKind["Unknown"] = 0] = "Unknown"; + // should be emitted using a safe fallback. + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithConstructSignatureAndValue"] = 1] = "TypeWithConstructSignatureAndValue"; + // function that can be reached at runtime (e.g. a `class` + // declaration or a `var` declaration for the static side + // of a type, such as the global `Promise` type in lib.d.ts). + TypeReferenceSerializationKind[TypeReferenceSerializationKind["VoidType"] = 2] = "VoidType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["NumberLikeType"] = 3] = "NumberLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["StringLikeType"] = 4] = "StringLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["BooleanType"] = 5] = "BooleanType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ArrayLikeType"] = 6] = "ArrayLikeType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ESSymbolType"] = 7] = "ESSymbolType"; + TypeReferenceSerializationKind[TypeReferenceSerializationKind["TypeWithCallSignature"] = 8] = "TypeWithCallSignature"; + // with call signatures. + TypeReferenceSerializationKind[TypeReferenceSerializationKind["ObjectType"] = 9] = "ObjectType"; + })(ts.TypeReferenceSerializationKind || (ts.TypeReferenceSerializationKind = {})); + var TypeReferenceSerializationKind = ts.TypeReferenceSerializationKind; + (function (SymbolFlags) { + SymbolFlags[SymbolFlags["None"] = 0] = "None"; + SymbolFlags[SymbolFlags["FunctionScopedVariable"] = 1] = "FunctionScopedVariable"; + SymbolFlags[SymbolFlags["BlockScopedVariable"] = 2] = "BlockScopedVariable"; + SymbolFlags[SymbolFlags["Property"] = 4] = "Property"; + SymbolFlags[SymbolFlags["EnumMember"] = 8] = "EnumMember"; + SymbolFlags[SymbolFlags["Function"] = 16] = "Function"; + SymbolFlags[SymbolFlags["Class"] = 32] = "Class"; + SymbolFlags[SymbolFlags["Interface"] = 64] = "Interface"; + SymbolFlags[SymbolFlags["ConstEnum"] = 128] = "ConstEnum"; + SymbolFlags[SymbolFlags["RegularEnum"] = 256] = "RegularEnum"; + SymbolFlags[SymbolFlags["ValueModule"] = 512] = "ValueModule"; + SymbolFlags[SymbolFlags["NamespaceModule"] = 1024] = "NamespaceModule"; + SymbolFlags[SymbolFlags["TypeLiteral"] = 2048] = "TypeLiteral"; + SymbolFlags[SymbolFlags["ObjectLiteral"] = 4096] = "ObjectLiteral"; + SymbolFlags[SymbolFlags["Method"] = 8192] = "Method"; + SymbolFlags[SymbolFlags["Constructor"] = 16384] = "Constructor"; + SymbolFlags[SymbolFlags["GetAccessor"] = 32768] = "GetAccessor"; + SymbolFlags[SymbolFlags["SetAccessor"] = 65536] = "SetAccessor"; + SymbolFlags[SymbolFlags["Signature"] = 131072] = "Signature"; + SymbolFlags[SymbolFlags["TypeParameter"] = 262144] = "TypeParameter"; + SymbolFlags[SymbolFlags["TypeAlias"] = 524288] = "TypeAlias"; + SymbolFlags[SymbolFlags["ExportValue"] = 1048576] = "ExportValue"; + SymbolFlags[SymbolFlags["ExportType"] = 2097152] = "ExportType"; + SymbolFlags[SymbolFlags["ExportNamespace"] = 4194304] = "ExportNamespace"; + SymbolFlags[SymbolFlags["Alias"] = 8388608] = "Alias"; + SymbolFlags[SymbolFlags["Instantiated"] = 16777216] = "Instantiated"; + SymbolFlags[SymbolFlags["Merged"] = 33554432] = "Merged"; + SymbolFlags[SymbolFlags["Transient"] = 67108864] = "Transient"; + SymbolFlags[SymbolFlags["Prototype"] = 134217728] = "Prototype"; + SymbolFlags[SymbolFlags["SyntheticProperty"] = 268435456] = "SyntheticProperty"; + SymbolFlags[SymbolFlags["Optional"] = 536870912] = "Optional"; + SymbolFlags[SymbolFlags["ExportStar"] = 1073741824] = "ExportStar"; + SymbolFlags[SymbolFlags["Enum"] = 384] = "Enum"; + SymbolFlags[SymbolFlags["Variable"] = 3] = "Variable"; + SymbolFlags[SymbolFlags["Value"] = 107455] = "Value"; + SymbolFlags[SymbolFlags["Type"] = 793056] = "Type"; + SymbolFlags[SymbolFlags["Namespace"] = 1536] = "Namespace"; + SymbolFlags[SymbolFlags["Module"] = 1536] = "Module"; + SymbolFlags[SymbolFlags["Accessor"] = 98304] = "Accessor"; + // Variables can be redeclared, but can not redeclare a block-scoped declaration with the + // same name, or any other value that is not a variable, e.g. ValueModule or Class + SymbolFlags[SymbolFlags["FunctionScopedVariableExcludes"] = 107454] = "FunctionScopedVariableExcludes"; + // Block-scoped declarations are not allowed to be re-declared + // they can not merge with anything in the value space + SymbolFlags[SymbolFlags["BlockScopedVariableExcludes"] = 107455] = "BlockScopedVariableExcludes"; + SymbolFlags[SymbolFlags["ParameterExcludes"] = 107455] = "ParameterExcludes"; + SymbolFlags[SymbolFlags["PropertyExcludes"] = 107455] = "PropertyExcludes"; + SymbolFlags[SymbolFlags["EnumMemberExcludes"] = 107455] = "EnumMemberExcludes"; + SymbolFlags[SymbolFlags["FunctionExcludes"] = 106927] = "FunctionExcludes"; + SymbolFlags[SymbolFlags["ClassExcludes"] = 899519] = "ClassExcludes"; + SymbolFlags[SymbolFlags["InterfaceExcludes"] = 792960] = "InterfaceExcludes"; + SymbolFlags[SymbolFlags["RegularEnumExcludes"] = 899327] = "RegularEnumExcludes"; + SymbolFlags[SymbolFlags["ConstEnumExcludes"] = 899967] = "ConstEnumExcludes"; + SymbolFlags[SymbolFlags["ValueModuleExcludes"] = 106639] = "ValueModuleExcludes"; + SymbolFlags[SymbolFlags["NamespaceModuleExcludes"] = 0] = "NamespaceModuleExcludes"; + SymbolFlags[SymbolFlags["MethodExcludes"] = 99263] = "MethodExcludes"; + SymbolFlags[SymbolFlags["GetAccessorExcludes"] = 41919] = "GetAccessorExcludes"; + SymbolFlags[SymbolFlags["SetAccessorExcludes"] = 74687] = "SetAccessorExcludes"; + SymbolFlags[SymbolFlags["TypeParameterExcludes"] = 530912] = "TypeParameterExcludes"; + SymbolFlags[SymbolFlags["TypeAliasExcludes"] = 793056] = "TypeAliasExcludes"; + SymbolFlags[SymbolFlags["AliasExcludes"] = 8388608] = "AliasExcludes"; + SymbolFlags[SymbolFlags["ModuleMember"] = 8914931] = "ModuleMember"; + SymbolFlags[SymbolFlags["ExportHasLocal"] = 944] = "ExportHasLocal"; + SymbolFlags[SymbolFlags["HasExports"] = 1952] = "HasExports"; + SymbolFlags[SymbolFlags["HasMembers"] = 6240] = "HasMembers"; + SymbolFlags[SymbolFlags["BlockScoped"] = 418] = "BlockScoped"; + SymbolFlags[SymbolFlags["PropertyOrAccessor"] = 98308] = "PropertyOrAccessor"; + SymbolFlags[SymbolFlags["Export"] = 7340032] = "Export"; + /* @internal */ + // The set of things we consider semantically classifiable. Used to speed up the LS during + // classification. + SymbolFlags[SymbolFlags["Classifiable"] = 788448] = "Classifiable"; + })(ts.SymbolFlags || (ts.SymbolFlags = {})); + var SymbolFlags = ts.SymbolFlags; + /* @internal */ + (function (NodeCheckFlags) { + NodeCheckFlags[NodeCheckFlags["TypeChecked"] = 1] = "TypeChecked"; + NodeCheckFlags[NodeCheckFlags["LexicalThis"] = 2] = "LexicalThis"; + NodeCheckFlags[NodeCheckFlags["CaptureThis"] = 4] = "CaptureThis"; + NodeCheckFlags[NodeCheckFlags["SuperInstance"] = 256] = "SuperInstance"; + NodeCheckFlags[NodeCheckFlags["SuperStatic"] = 512] = "SuperStatic"; + NodeCheckFlags[NodeCheckFlags["ContextChecked"] = 1024] = "ContextChecked"; + NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuper"] = 2048] = "AsyncMethodWithSuper"; + NodeCheckFlags[NodeCheckFlags["AsyncMethodWithSuperBinding"] = 4096] = "AsyncMethodWithSuperBinding"; + NodeCheckFlags[NodeCheckFlags["CaptureArguments"] = 8192] = "CaptureArguments"; + // Values for enum members have been computed, and any errors have been reported for them. + NodeCheckFlags[NodeCheckFlags["EnumValuesComputed"] = 16384] = "EnumValuesComputed"; + NodeCheckFlags[NodeCheckFlags["LexicalModuleMergesWithClass"] = 32768] = "LexicalModuleMergesWithClass"; + NodeCheckFlags[NodeCheckFlags["LoopWithCapturedBlockScopedBinding"] = 65536] = "LoopWithCapturedBlockScopedBinding"; + NodeCheckFlags[NodeCheckFlags["CapturedBlockScopedBinding"] = 131072] = "CapturedBlockScopedBinding"; + NodeCheckFlags[NodeCheckFlags["BlockScopedBindingInLoop"] = 262144] = "BlockScopedBindingInLoop"; + NodeCheckFlags[NodeCheckFlags["ClassWithBodyScopedClassBinding"] = 524288] = "ClassWithBodyScopedClassBinding"; + NodeCheckFlags[NodeCheckFlags["BodyScopedClassBinding"] = 1048576] = "BodyScopedClassBinding"; + NodeCheckFlags[NodeCheckFlags["NeedsLoopOutParameter"] = 2097152] = "NeedsLoopOutParameter"; + })(ts.NodeCheckFlags || (ts.NodeCheckFlags = {})); + var NodeCheckFlags = ts.NodeCheckFlags; + (function (TypeFlags) { + TypeFlags[TypeFlags["Any"] = 1] = "Any"; + TypeFlags[TypeFlags["String"] = 2] = "String"; + TypeFlags[TypeFlags["Number"] = 4] = "Number"; + TypeFlags[TypeFlags["Boolean"] = 8] = "Boolean"; + TypeFlags[TypeFlags["Void"] = 16] = "Void"; + TypeFlags[TypeFlags["Undefined"] = 32] = "Undefined"; + TypeFlags[TypeFlags["Null"] = 64] = "Null"; + TypeFlags[TypeFlags["Enum"] = 128] = "Enum"; + TypeFlags[TypeFlags["StringLiteral"] = 256] = "StringLiteral"; + TypeFlags[TypeFlags["TypeParameter"] = 512] = "TypeParameter"; + TypeFlags[TypeFlags["Class"] = 1024] = "Class"; + TypeFlags[TypeFlags["Interface"] = 2048] = "Interface"; + TypeFlags[TypeFlags["Reference"] = 4096] = "Reference"; + TypeFlags[TypeFlags["Tuple"] = 8192] = "Tuple"; + TypeFlags[TypeFlags["Union"] = 16384] = "Union"; + TypeFlags[TypeFlags["Intersection"] = 32768] = "Intersection"; + TypeFlags[TypeFlags["Anonymous"] = 65536] = "Anonymous"; + TypeFlags[TypeFlags["Instantiated"] = 131072] = "Instantiated"; + /* @internal */ + TypeFlags[TypeFlags["FromSignature"] = 262144] = "FromSignature"; + TypeFlags[TypeFlags["ObjectLiteral"] = 524288] = "ObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["FreshObjectLiteral"] = 1048576] = "FreshObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["ContainsUndefinedOrNull"] = 2097152] = "ContainsUndefinedOrNull"; + /* @internal */ + TypeFlags[TypeFlags["ContainsObjectLiteral"] = 4194304] = "ContainsObjectLiteral"; + /* @internal */ + TypeFlags[TypeFlags["ContainsAnyFunctionType"] = 8388608] = "ContainsAnyFunctionType"; + TypeFlags[TypeFlags["ESSymbol"] = 16777216] = "ESSymbol"; + TypeFlags[TypeFlags["ThisType"] = 33554432] = "ThisType"; + TypeFlags[TypeFlags["ObjectLiteralPatternWithComputedProperties"] = 67108864] = "ObjectLiteralPatternWithComputedProperties"; + /* @internal */ + TypeFlags[TypeFlags["Intrinsic"] = 16777343] = "Intrinsic"; + /* @internal */ + TypeFlags[TypeFlags["Primitive"] = 16777726] = "Primitive"; + TypeFlags[TypeFlags["StringLike"] = 258] = "StringLike"; + TypeFlags[TypeFlags["NumberLike"] = 132] = "NumberLike"; + TypeFlags[TypeFlags["ObjectType"] = 80896] = "ObjectType"; + TypeFlags[TypeFlags["UnionOrIntersection"] = 49152] = "UnionOrIntersection"; + TypeFlags[TypeFlags["StructuredType"] = 130048] = "StructuredType"; + /* @internal */ + TypeFlags[TypeFlags["RequiresWidening"] = 6291456] = "RequiresWidening"; + /* @internal */ + TypeFlags[TypeFlags["PropagatingFlags"] = 14680064] = "PropagatingFlags"; + })(ts.TypeFlags || (ts.TypeFlags = {})); + var TypeFlags = ts.TypeFlags; + (function (SignatureKind) { + SignatureKind[SignatureKind["Call"] = 0] = "Call"; + SignatureKind[SignatureKind["Construct"] = 1] = "Construct"; + })(ts.SignatureKind || (ts.SignatureKind = {})); + var SignatureKind = ts.SignatureKind; + (function (IndexKind) { + IndexKind[IndexKind["String"] = 0] = "String"; + IndexKind[IndexKind["Number"] = 1] = "Number"; + })(ts.IndexKind || (ts.IndexKind = {})); + var IndexKind = ts.IndexKind; + /* @internal */ + (function (SpecialPropertyAssignmentKind) { + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["None"] = 0] = "None"; + /// exports.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ExportsProperty"] = 1] = "ExportsProperty"; + /// module.exports = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ModuleExports"] = 2] = "ModuleExports"; + /// className.prototype.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["PrototypeProperty"] = 3] = "PrototypeProperty"; + /// this.name = expr + SpecialPropertyAssignmentKind[SpecialPropertyAssignmentKind["ThisProperty"] = 4] = "ThisProperty"; + })(ts.SpecialPropertyAssignmentKind || (ts.SpecialPropertyAssignmentKind = {})); + var SpecialPropertyAssignmentKind = ts.SpecialPropertyAssignmentKind; + (function (DiagnosticCategory) { + DiagnosticCategory[DiagnosticCategory["Warning"] = 0] = "Warning"; + DiagnosticCategory[DiagnosticCategory["Error"] = 1] = "Error"; + DiagnosticCategory[DiagnosticCategory["Message"] = 2] = "Message"; + })(ts.DiagnosticCategory || (ts.DiagnosticCategory = {})); + var DiagnosticCategory = ts.DiagnosticCategory; + (function (ModuleResolutionKind) { + ModuleResolutionKind[ModuleResolutionKind["Classic"] = 1] = "Classic"; + ModuleResolutionKind[ModuleResolutionKind["NodeJs"] = 2] = "NodeJs"; + })(ts.ModuleResolutionKind || (ts.ModuleResolutionKind = {})); + var ModuleResolutionKind = ts.ModuleResolutionKind; + (function (ModuleKind) { + ModuleKind[ModuleKind["None"] = 0] = "None"; + ModuleKind[ModuleKind["CommonJS"] = 1] = "CommonJS"; + ModuleKind[ModuleKind["AMD"] = 2] = "AMD"; + ModuleKind[ModuleKind["UMD"] = 3] = "UMD"; + ModuleKind[ModuleKind["System"] = 4] = "System"; + ModuleKind[ModuleKind["ES6"] = 5] = "ES6"; + ModuleKind[ModuleKind["ES2015"] = 5] = "ES2015"; + })(ts.ModuleKind || (ts.ModuleKind = {})); + var ModuleKind = ts.ModuleKind; + (function (JsxEmit) { + JsxEmit[JsxEmit["None"] = 0] = "None"; + JsxEmit[JsxEmit["Preserve"] = 1] = "Preserve"; + JsxEmit[JsxEmit["React"] = 2] = "React"; + })(ts.JsxEmit || (ts.JsxEmit = {})); + var JsxEmit = ts.JsxEmit; + (function (NewLineKind) { + NewLineKind[NewLineKind["CarriageReturnLineFeed"] = 0] = "CarriageReturnLineFeed"; + NewLineKind[NewLineKind["LineFeed"] = 1] = "LineFeed"; + })(ts.NewLineKind || (ts.NewLineKind = {})); + var NewLineKind = ts.NewLineKind; + (function (ScriptTarget) { + ScriptTarget[ScriptTarget["ES3"] = 0] = "ES3"; + ScriptTarget[ScriptTarget["ES5"] = 1] = "ES5"; + ScriptTarget[ScriptTarget["ES6"] = 2] = "ES6"; + ScriptTarget[ScriptTarget["ES2015"] = 2] = "ES2015"; + ScriptTarget[ScriptTarget["Latest"] = 2] = "Latest"; + })(ts.ScriptTarget || (ts.ScriptTarget = {})); + var ScriptTarget = ts.ScriptTarget; + (function (LanguageVariant) { + LanguageVariant[LanguageVariant["Standard"] = 0] = "Standard"; + LanguageVariant[LanguageVariant["JSX"] = 1] = "JSX"; + })(ts.LanguageVariant || (ts.LanguageVariant = {})); + var LanguageVariant = ts.LanguageVariant; + /* @internal */ + (function (DiagnosticStyle) { + DiagnosticStyle[DiagnosticStyle["Simple"] = 0] = "Simple"; + DiagnosticStyle[DiagnosticStyle["Pretty"] = 1] = "Pretty"; + })(ts.DiagnosticStyle || (ts.DiagnosticStyle = {})); + var DiagnosticStyle = ts.DiagnosticStyle; + /* @internal */ + (function (CharacterCodes) { + CharacterCodes[CharacterCodes["nullCharacter"] = 0] = "nullCharacter"; + CharacterCodes[CharacterCodes["maxAsciiCharacter"] = 127] = "maxAsciiCharacter"; + CharacterCodes[CharacterCodes["lineFeed"] = 10] = "lineFeed"; + CharacterCodes[CharacterCodes["carriageReturn"] = 13] = "carriageReturn"; + CharacterCodes[CharacterCodes["lineSeparator"] = 8232] = "lineSeparator"; + CharacterCodes[CharacterCodes["paragraphSeparator"] = 8233] = "paragraphSeparator"; + CharacterCodes[CharacterCodes["nextLine"] = 133] = "nextLine"; + // Unicode 3.0 space characters + CharacterCodes[CharacterCodes["space"] = 32] = "space"; + CharacterCodes[CharacterCodes["nonBreakingSpace"] = 160] = "nonBreakingSpace"; + CharacterCodes[CharacterCodes["enQuad"] = 8192] = "enQuad"; + CharacterCodes[CharacterCodes["emQuad"] = 8193] = "emQuad"; + CharacterCodes[CharacterCodes["enSpace"] = 8194] = "enSpace"; + CharacterCodes[CharacterCodes["emSpace"] = 8195] = "emSpace"; + CharacterCodes[CharacterCodes["threePerEmSpace"] = 8196] = "threePerEmSpace"; + CharacterCodes[CharacterCodes["fourPerEmSpace"] = 8197] = "fourPerEmSpace"; + CharacterCodes[CharacterCodes["sixPerEmSpace"] = 8198] = "sixPerEmSpace"; + CharacterCodes[CharacterCodes["figureSpace"] = 8199] = "figureSpace"; + CharacterCodes[CharacterCodes["punctuationSpace"] = 8200] = "punctuationSpace"; + CharacterCodes[CharacterCodes["thinSpace"] = 8201] = "thinSpace"; + CharacterCodes[CharacterCodes["hairSpace"] = 8202] = "hairSpace"; + CharacterCodes[CharacterCodes["zeroWidthSpace"] = 8203] = "zeroWidthSpace"; + CharacterCodes[CharacterCodes["narrowNoBreakSpace"] = 8239] = "narrowNoBreakSpace"; + CharacterCodes[CharacterCodes["ideographicSpace"] = 12288] = "ideographicSpace"; + CharacterCodes[CharacterCodes["mathematicalSpace"] = 8287] = "mathematicalSpace"; + CharacterCodes[CharacterCodes["ogham"] = 5760] = "ogham"; + CharacterCodes[CharacterCodes["_"] = 95] = "_"; + CharacterCodes[CharacterCodes["$"] = 36] = "$"; + CharacterCodes[CharacterCodes["_0"] = 48] = "_0"; + CharacterCodes[CharacterCodes["_1"] = 49] = "_1"; + CharacterCodes[CharacterCodes["_2"] = 50] = "_2"; + CharacterCodes[CharacterCodes["_3"] = 51] = "_3"; + CharacterCodes[CharacterCodes["_4"] = 52] = "_4"; + CharacterCodes[CharacterCodes["_5"] = 53] = "_5"; + CharacterCodes[CharacterCodes["_6"] = 54] = "_6"; + CharacterCodes[CharacterCodes["_7"] = 55] = "_7"; + CharacterCodes[CharacterCodes["_8"] = 56] = "_8"; + CharacterCodes[CharacterCodes["_9"] = 57] = "_9"; + CharacterCodes[CharacterCodes["a"] = 97] = "a"; + CharacterCodes[CharacterCodes["b"] = 98] = "b"; + CharacterCodes[CharacterCodes["c"] = 99] = "c"; + CharacterCodes[CharacterCodes["d"] = 100] = "d"; + CharacterCodes[CharacterCodes["e"] = 101] = "e"; + CharacterCodes[CharacterCodes["f"] = 102] = "f"; + CharacterCodes[CharacterCodes["g"] = 103] = "g"; + CharacterCodes[CharacterCodes["h"] = 104] = "h"; + CharacterCodes[CharacterCodes["i"] = 105] = "i"; + CharacterCodes[CharacterCodes["j"] = 106] = "j"; + CharacterCodes[CharacterCodes["k"] = 107] = "k"; + CharacterCodes[CharacterCodes["l"] = 108] = "l"; + CharacterCodes[CharacterCodes["m"] = 109] = "m"; + CharacterCodes[CharacterCodes["n"] = 110] = "n"; + CharacterCodes[CharacterCodes["o"] = 111] = "o"; + CharacterCodes[CharacterCodes["p"] = 112] = "p"; + CharacterCodes[CharacterCodes["q"] = 113] = "q"; + CharacterCodes[CharacterCodes["r"] = 114] = "r"; + CharacterCodes[CharacterCodes["s"] = 115] = "s"; + CharacterCodes[CharacterCodes["t"] = 116] = "t"; + CharacterCodes[CharacterCodes["u"] = 117] = "u"; + CharacterCodes[CharacterCodes["v"] = 118] = "v"; + CharacterCodes[CharacterCodes["w"] = 119] = "w"; + CharacterCodes[CharacterCodes["x"] = 120] = "x"; + CharacterCodes[CharacterCodes["y"] = 121] = "y"; + CharacterCodes[CharacterCodes["z"] = 122] = "z"; + CharacterCodes[CharacterCodes["A"] = 65] = "A"; + CharacterCodes[CharacterCodes["B"] = 66] = "B"; + CharacterCodes[CharacterCodes["C"] = 67] = "C"; + CharacterCodes[CharacterCodes["D"] = 68] = "D"; + CharacterCodes[CharacterCodes["E"] = 69] = "E"; + CharacterCodes[CharacterCodes["F"] = 70] = "F"; + CharacterCodes[CharacterCodes["G"] = 71] = "G"; + CharacterCodes[CharacterCodes["H"] = 72] = "H"; + CharacterCodes[CharacterCodes["I"] = 73] = "I"; + CharacterCodes[CharacterCodes["J"] = 74] = "J"; + CharacterCodes[CharacterCodes["K"] = 75] = "K"; + CharacterCodes[CharacterCodes["L"] = 76] = "L"; + CharacterCodes[CharacterCodes["M"] = 77] = "M"; + CharacterCodes[CharacterCodes["N"] = 78] = "N"; + CharacterCodes[CharacterCodes["O"] = 79] = "O"; + CharacterCodes[CharacterCodes["P"] = 80] = "P"; + CharacterCodes[CharacterCodes["Q"] = 81] = "Q"; + CharacterCodes[CharacterCodes["R"] = 82] = "R"; + CharacterCodes[CharacterCodes["S"] = 83] = "S"; + CharacterCodes[CharacterCodes["T"] = 84] = "T"; + CharacterCodes[CharacterCodes["U"] = 85] = "U"; + CharacterCodes[CharacterCodes["V"] = 86] = "V"; + CharacterCodes[CharacterCodes["W"] = 87] = "W"; + CharacterCodes[CharacterCodes["X"] = 88] = "X"; + CharacterCodes[CharacterCodes["Y"] = 89] = "Y"; + CharacterCodes[CharacterCodes["Z"] = 90] = "Z"; + CharacterCodes[CharacterCodes["ampersand"] = 38] = "ampersand"; + CharacterCodes[CharacterCodes["asterisk"] = 42] = "asterisk"; + CharacterCodes[CharacterCodes["at"] = 64] = "at"; + CharacterCodes[CharacterCodes["backslash"] = 92] = "backslash"; + CharacterCodes[CharacterCodes["backtick"] = 96] = "backtick"; + CharacterCodes[CharacterCodes["bar"] = 124] = "bar"; + CharacterCodes[CharacterCodes["caret"] = 94] = "caret"; + CharacterCodes[CharacterCodes["closeBrace"] = 125] = "closeBrace"; + CharacterCodes[CharacterCodes["closeBracket"] = 93] = "closeBracket"; + CharacterCodes[CharacterCodes["closeParen"] = 41] = "closeParen"; + CharacterCodes[CharacterCodes["colon"] = 58] = "colon"; + CharacterCodes[CharacterCodes["comma"] = 44] = "comma"; + CharacterCodes[CharacterCodes["dot"] = 46] = "dot"; + CharacterCodes[CharacterCodes["doubleQuote"] = 34] = "doubleQuote"; + CharacterCodes[CharacterCodes["equals"] = 61] = "equals"; + CharacterCodes[CharacterCodes["exclamation"] = 33] = "exclamation"; + CharacterCodes[CharacterCodes["greaterThan"] = 62] = "greaterThan"; + CharacterCodes[CharacterCodes["hash"] = 35] = "hash"; + CharacterCodes[CharacterCodes["lessThan"] = 60] = "lessThan"; + CharacterCodes[CharacterCodes["minus"] = 45] = "minus"; + CharacterCodes[CharacterCodes["openBrace"] = 123] = "openBrace"; + CharacterCodes[CharacterCodes["openBracket"] = 91] = "openBracket"; + CharacterCodes[CharacterCodes["openParen"] = 40] = "openParen"; + CharacterCodes[CharacterCodes["percent"] = 37] = "percent"; + CharacterCodes[CharacterCodes["plus"] = 43] = "plus"; + CharacterCodes[CharacterCodes["question"] = 63] = "question"; + CharacterCodes[CharacterCodes["semicolon"] = 59] = "semicolon"; + CharacterCodes[CharacterCodes["singleQuote"] = 39] = "singleQuote"; + CharacterCodes[CharacterCodes["slash"] = 47] = "slash"; + CharacterCodes[CharacterCodes["tilde"] = 126] = "tilde"; + CharacterCodes[CharacterCodes["backspace"] = 8] = "backspace"; + CharacterCodes[CharacterCodes["formFeed"] = 12] = "formFeed"; + CharacterCodes[CharacterCodes["byteOrderMark"] = 65279] = "byteOrderMark"; + CharacterCodes[CharacterCodes["tab"] = 9] = "tab"; + CharacterCodes[CharacterCodes["verticalTab"] = 11] = "verticalTab"; + })(ts.CharacterCodes || (ts.CharacterCodes = {})); + var CharacterCodes = ts.CharacterCodes; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + /** + * Ternary values are defined such that + * x & y is False if either x or y is False. + * x & y is Maybe if either x or y is Maybe, but neither x or y is False. + * x & y is True if both x and y are True. + * x | y is False if both x and y are False. + * x | y is Maybe if either x or y is Maybe, but neither x or y is True. + * x | y is True if either x or y is True. + */ + (function (Ternary) { + Ternary[Ternary["False"] = 0] = "False"; + Ternary[Ternary["Maybe"] = 1] = "Maybe"; + Ternary[Ternary["True"] = -1] = "True"; + })(ts.Ternary || (ts.Ternary = {})); + var Ternary = ts.Ternary; + function createFileMap(keyMapper) { + var files = {}; + return { + get: get, + set: set, + contains: contains, + remove: remove, + forEachValue: forEachValueInMap, + clear: clear + }; + function forEachValueInMap(f) { + for (var key in files) { + f(key, files[key]); + } + } + // path should already be well-formed so it does not need to be normalized + function get(path) { + return files[toKey(path)]; + } + function set(path, value) { + files[toKey(path)] = value; + } + function contains(path) { + return hasProperty(files, toKey(path)); + } + function remove(path) { + var key = toKey(path); + delete files[key]; + } + function clear() { + files = {}; + } + function toKey(path) { + return keyMapper ? keyMapper(path) : path; + } + } + ts.createFileMap = createFileMap; + function toPath(fileName, basePath, getCanonicalFileName) { + var nonCanonicalizedPath = isRootedDiskPath(fileName) + ? normalizePath(fileName) + : getNormalizedAbsolutePath(fileName, basePath); + return getCanonicalFileName(nonCanonicalizedPath); + } + ts.toPath = toPath; + (function (Comparison) { + Comparison[Comparison["LessThan"] = -1] = "LessThan"; + Comparison[Comparison["EqualTo"] = 0] = "EqualTo"; + Comparison[Comparison["GreaterThan"] = 1] = "GreaterThan"; + })(ts.Comparison || (ts.Comparison = {})); + var Comparison = ts.Comparison; + /** + * Iterates through 'array' by index and performs the callback on each element of array until the callback + * returns a truthy value, then returns that value. + * If no such value is found, the callback is applied to each element of array and undefined is returned. + */ + function forEach(array, callback) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + var result = callback(array[i], i); + if (result) { + return result; + } + } + } + return undefined; + } + ts.forEach = forEach; + function contains(array, value) { + if (array) { + for (var _i = 0, array_1 = array; _i < array_1.length; _i++) { + var v = array_1[_i]; + if (v === value) { + return true; + } + } + } + return false; + } + ts.contains = contains; + function indexOf(array, value) { + if (array) { + for (var i = 0, len = array.length; i < len; i++) { + if (array[i] === value) { + return i; + } + } + } + return -1; + } + ts.indexOf = indexOf; + function countWhere(array, predicate) { + var count = 0; + if (array) { + for (var _i = 0, array_2 = array; _i < array_2.length; _i++) { + var v = array_2[_i]; + if (predicate(v)) { + count++; + } + } + } + return count; + } + ts.countWhere = countWhere; + function filter(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_3 = array; _i < array_3.length; _i++) { + var item = array_3[_i]; + if (f(item)) { + result.push(item); + } + } + } + return result; + } + ts.filter = filter; + function map(array, f) { + var result; + if (array) { + result = []; + for (var _i = 0, array_4 = array; _i < array_4.length; _i++) { + var v = array_4[_i]; + result.push(f(v)); + } + } + return result; + } + ts.map = map; + function concatenate(array1, array2) { + if (!array2 || !array2.length) + return array1; + if (!array1 || !array1.length) + return array2; + return array1.concat(array2); + } + ts.concatenate = concatenate; + function deduplicate(array) { + var result; + if (array) { + result = []; + for (var _i = 0, array_5 = array; _i < array_5.length; _i++) { + var item = array_5[_i]; + if (!contains(result, item)) { + result.push(item); + } + } + } + return result; + } + ts.deduplicate = deduplicate; + function sum(array, prop) { + var result = 0; + for (var _i = 0, array_6 = array; _i < array_6.length; _i++) { + var v = array_6[_i]; + result += v[prop]; + } + return result; + } + ts.sum = sum; + function addRange(to, from) { + if (to && from) { + for (var _i = 0, from_1 = from; _i < from_1.length; _i++) { + var v = from_1[_i]; + to.push(v); + } + } + } + ts.addRange = addRange; + function rangeEquals(array1, array2, pos, end) { + while (pos < end) { + if (array1[pos] !== array2[pos]) { + return false; + } + pos++; + } + return true; + } + ts.rangeEquals = rangeEquals; + /** + * Returns the last element of an array if non-empty, undefined otherwise. + */ + function lastOrUndefined(array) { + if (array.length === 0) { + return undefined; + } + return array[array.length - 1]; + } + ts.lastOrUndefined = lastOrUndefined; + /** + * Performs a binary search, finding the index at which 'value' occurs in 'array'. + * If no such index is found, returns the 2's-complement of first index at which + * number[index] exceeds number. + * @param array A sorted array whose first element must be no larger than number + * @param number The value to be searched for in the array. + */ + function binarySearch(array, value) { + var low = 0; + var high = array.length - 1; + while (low <= high) { + var middle = low + ((high - low) >> 1); + var midValue = array[middle]; + if (midValue === value) { + return middle; + } + else if (midValue > value) { + high = middle - 1; + } + else { + low = middle + 1; + } + } + return ~low; + } + ts.binarySearch = binarySearch; + function reduceLeft(array, f, initial) { + if (array) { + var count = array.length; + if (count > 0) { + var pos = 0; + var result = arguments.length <= 2 ? array[pos] : initial; + pos++; + while (pos < count) { + result = f(result, array[pos]); + pos++; + } + return result; + } + } + return initial; + } + ts.reduceLeft = reduceLeft; + function reduceRight(array, f, initial) { + if (array) { + var pos = array.length - 1; + if (pos >= 0) { + var result = arguments.length <= 2 ? array[pos] : initial; + pos--; + while (pos >= 0) { + result = f(result, array[pos]); + pos--; + } + return result; + } + } + return initial; + } + ts.reduceRight = reduceRight; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function hasProperty(map, key) { + return hasOwnProperty.call(map, key); + } + ts.hasProperty = hasProperty; + function getProperty(map, key) { + return hasOwnProperty.call(map, key) ? map[key] : undefined; + } + ts.getProperty = getProperty; + function isEmpty(map) { + for (var id in map) { + if (hasProperty(map, id)) { + return false; + } + } + return true; + } + ts.isEmpty = isEmpty; + function clone(object) { + var result = {}; + for (var id in object) { + result[id] = object[id]; + } + return result; + } + ts.clone = clone; + function extend(first, second) { + var result = {}; + for (var id in first) { + result[id] = first[id]; + } + for (var id in second) { + if (!hasProperty(result, id)) { + result[id] = second[id]; + } + } + return result; + } + ts.extend = extend; + function forEachValue(map, callback) { + var result; + for (var id in map) { + if (result = callback(map[id])) + break; + } + return result; + } + ts.forEachValue = forEachValue; + function forEachKey(map, callback) { + var result; + for (var id in map) { + if (result = callback(id)) + break; + } + return result; + } + ts.forEachKey = forEachKey; + function lookUp(map, key) { + return hasProperty(map, key) ? map[key] : undefined; + } + ts.lookUp = lookUp; + function copyMap(source, target) { + for (var p in source) { + target[p] = source[p]; + } + } + ts.copyMap = copyMap; + /** + * Creates a map from the elements of an array. + * + * @param array the array of input elements. + * @param makeKey a function that produces a key for a given element. + * + * This function makes no effort to avoid collisions; if any two elements produce + * the same key with the given 'makeKey' function, then the element with the higher + * index in the array will be the one associated with the produced key. + */ + function arrayToMap(array, makeKey) { + var result = {}; + forEach(array, function (value) { + result[makeKey(value)] = value; + }); + return result; + } + ts.arrayToMap = arrayToMap; + /** + * Reduce the properties of a map. + * + * @param map The map to reduce + * @param callback An aggregation function that is called for each entry in the map + * @param initial The initial value for the reduction. + */ + function reduceProperties(map, callback, initial) { + var result = initial; + if (map) { + for (var key in map) { + if (hasProperty(map, key)) { + result = callback(result, map[key], String(key)); + } + } + } + return result; + } + ts.reduceProperties = reduceProperties; + /** + * Tests whether a value is an array. + */ + function isArray(value) { + return Array.isArray ? Array.isArray(value) : value instanceof Array; + } + ts.isArray = isArray; + function memoize(callback) { + var value; + return function () { + if (callback) { + value = callback(); + callback = undefined; + } + return value; + }; + } + ts.memoize = memoize; + function formatStringFromArgs(text, args, baseIndex) { + baseIndex = baseIndex || 0; + return text.replace(/{(\d+)}/g, function (match, index) { return args[+index + baseIndex]; }); + } + ts.localizedDiagnosticMessages = undefined; + function getLocaleSpecificMessage(message) { + return ts.localizedDiagnosticMessages && ts.localizedDiagnosticMessages[message.key] + ? ts.localizedDiagnosticMessages[message.key] + : message.message; + } + ts.getLocaleSpecificMessage = getLocaleSpecificMessage; + function createFileDiagnostic(file, start, length, message) { + var end = start + length; + Debug.assert(start >= 0, "start must be non-negative, is " + start); + Debug.assert(length >= 0, "length must be non-negative, is " + length); + if (file) { + Debug.assert(start <= file.text.length, "start must be within the bounds of the file. " + start + " > " + file.text.length); + Debug.assert(end <= file.text.length, "end must be the bounds of the file. " + end + " > " + file.text.length); + } + var text = getLocaleSpecificMessage(message); + if (arguments.length > 4) { + text = formatStringFromArgs(text, arguments, 4); + } + return { + file: file, + start: start, + length: length, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createFileDiagnostic = createFileDiagnostic; + function createCompilerDiagnostic(message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 1) { + text = formatStringFromArgs(text, arguments, 1); + } + return { + file: undefined, + start: undefined, + length: undefined, + messageText: text, + category: message.category, + code: message.code + }; + } + ts.createCompilerDiagnostic = createCompilerDiagnostic; + function chainDiagnosticMessages(details, message) { + var text = getLocaleSpecificMessage(message); + if (arguments.length > 2) { + text = formatStringFromArgs(text, arguments, 2); + } + return { + messageText: text, + category: message.category, + code: message.code, + next: details + }; + } + ts.chainDiagnosticMessages = chainDiagnosticMessages; + function concatenateDiagnosticMessageChains(headChain, tailChain) { + var lastChain = headChain; + while (lastChain.next) { + lastChain = lastChain.next; + } + lastChain.next = tailChain; + return headChain; + } + ts.concatenateDiagnosticMessageChains = concatenateDiagnosticMessageChains; + function compareValues(a, b) { + if (a === b) + return 0 /* EqualTo */; + if (a === undefined) + return -1 /* LessThan */; + if (b === undefined) + return 1 /* GreaterThan */; + return a < b ? -1 /* LessThan */ : 1 /* GreaterThan */; + } + ts.compareValues = compareValues; + function getDiagnosticFileName(diagnostic) { + return diagnostic.file ? diagnostic.file.fileName : undefined; + } + function compareDiagnostics(d1, d2) { + return compareValues(getDiagnosticFileName(d1), getDiagnosticFileName(d2)) || + compareValues(d1.start, d2.start) || + compareValues(d1.length, d2.length) || + compareValues(d1.code, d2.code) || + compareMessageText(d1.messageText, d2.messageText) || + 0 /* EqualTo */; + } + ts.compareDiagnostics = compareDiagnostics; + function compareMessageText(text1, text2) { + while (text1 && text2) { + // We still have both chains. + var string1 = typeof text1 === "string" ? text1 : text1.messageText; + var string2 = typeof text2 === "string" ? text2 : text2.messageText; + var res = compareValues(string1, string2); + if (res) { + return res; + } + text1 = typeof text1 === "string" ? undefined : text1.next; + text2 = typeof text2 === "string" ? undefined : text2.next; + } + if (!text1 && !text2) { + // if the chains are done, then these messages are the same. + return 0 /* EqualTo */; + } + // We still have one chain remaining. The shorter chain should come first. + return text1 ? 1 /* GreaterThan */ : -1 /* LessThan */; + } + function sortAndDeduplicateDiagnostics(diagnostics) { + return deduplicateSortedDiagnostics(diagnostics.sort(compareDiagnostics)); + } + ts.sortAndDeduplicateDiagnostics = sortAndDeduplicateDiagnostics; + function deduplicateSortedDiagnostics(diagnostics) { + if (diagnostics.length < 2) { + return diagnostics; + } + var newDiagnostics = [diagnostics[0]]; + var previousDiagnostic = diagnostics[0]; + for (var i = 1; i < diagnostics.length; i++) { + var currentDiagnostic = diagnostics[i]; + var isDupe = compareDiagnostics(currentDiagnostic, previousDiagnostic) === 0 /* EqualTo */; + if (!isDupe) { + newDiagnostics.push(currentDiagnostic); + previousDiagnostic = currentDiagnostic; + } + } + return newDiagnostics; + } + ts.deduplicateSortedDiagnostics = deduplicateSortedDiagnostics; + function normalizeSlashes(path) { + return path.replace(/\\/g, "/"); + } + ts.normalizeSlashes = normalizeSlashes; + // Returns length of path root (i.e. length of "/", "x:/", "//server/share/, file:///user/files") + function getRootLength(path) { + if (path.charCodeAt(0) === 47 /* slash */) { + if (path.charCodeAt(1) !== 47 /* slash */) + return 1; + var p1 = path.indexOf("/", 2); + if (p1 < 0) + return 2; + var p2 = path.indexOf("/", p1 + 1); + if (p2 < 0) + return p1 + 1; + return p2 + 1; + } + if (path.charCodeAt(1) === 58 /* colon */) { + if (path.charCodeAt(2) === 47 /* slash */) + return 3; + return 2; + } + // Per RFC 1738 'file' URI schema has the shape file:/// + // if is omitted then it is assumed that host value is 'localhost', + // however slash after the omitted is not removed. + // file:///folder1/file1 - this is a correct URI + // file://folder2/file2 - this is an incorrect URI + if (path.lastIndexOf("file:///", 0) === 0) { + return "file:///".length; + } + var idx = path.indexOf("://"); + if (idx !== -1) { + return idx + "://".length; + } + return 0; + } + ts.getRootLength = getRootLength; + ts.directorySeparator = "/"; + function getNormalizedParts(normalizedSlashedPath, rootLength) { + var parts = normalizedSlashedPath.substr(rootLength).split(ts.directorySeparator); + var normalized = []; + for (var _i = 0, parts_1 = parts; _i < parts_1.length; _i++) { + var part = parts_1[_i]; + if (part !== ".") { + if (part === ".." && normalized.length > 0 && lastOrUndefined(normalized) !== "..") { + normalized.pop(); + } + else { + // A part may be an empty string (which is 'falsy') if the path had consecutive slashes, + // e.g. "path//file.ts". Drop these before re-joining the parts. + if (part) { + normalized.push(part); + } + } + } + } + return normalized; + } + function normalizePath(path) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + var normalized = getNormalizedParts(path, rootLength); + return path.substr(0, rootLength) + normalized.join(ts.directorySeparator); + } + ts.normalizePath = normalizePath; + function getDirectoryPath(path) { + return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(ts.directorySeparator))); + } + ts.getDirectoryPath = getDirectoryPath; + function isUrl(path) { + return path && !isRootedDiskPath(path) && path.indexOf("://") !== -1; + } + ts.isUrl = isUrl; + function isRootedDiskPath(path) { + return getRootLength(path) !== 0; + } + ts.isRootedDiskPath = isRootedDiskPath; + function normalizedPathComponents(path, rootLength) { + var normalizedParts = getNormalizedParts(path, rootLength); + return [path.substr(0, rootLength)].concat(normalizedParts); + } + function getNormalizedPathComponents(path, currentDirectory) { + path = normalizeSlashes(path); + var rootLength = getRootLength(path); + if (rootLength === 0) { + // If the path is not rooted it is relative to current directory + path = combinePaths(normalizeSlashes(currentDirectory), path); + rootLength = getRootLength(path); + } + return normalizedPathComponents(path, rootLength); + } + ts.getNormalizedPathComponents = getNormalizedPathComponents; + function getNormalizedAbsolutePath(fileName, currentDirectory) { + return getNormalizedPathFromPathComponents(getNormalizedPathComponents(fileName, currentDirectory)); + } + ts.getNormalizedAbsolutePath = getNormalizedAbsolutePath; + function getNormalizedPathFromPathComponents(pathComponents) { + if (pathComponents && pathComponents.length) { + return pathComponents[0] + pathComponents.slice(1).join(ts.directorySeparator); + } + } + ts.getNormalizedPathFromPathComponents = getNormalizedPathFromPathComponents; + function getNormalizedPathComponentsOfUrl(url) { + // Get root length of http://www.website.com/folder1/foler2/ + // In this example the root is: http://www.website.com/ + // normalized path components should be ["http://www.website.com/", "folder1", "folder2"] + var urlLength = url.length; + // Initial root length is http:// part + var rootLength = url.indexOf("://") + "://".length; + while (rootLength < urlLength) { + // Consume all immediate slashes in the protocol + // eg.initial rootlength is just file:// but it needs to consume another "/" in file:/// + if (url.charCodeAt(rootLength) === 47 /* slash */) { + rootLength++; + } + else { + // non slash character means we continue proceeding to next component of root search + break; + } + } + // there are no parts after http:// just return current string as the pathComponent + if (rootLength === urlLength) { + return [url]; + } + // Find the index of "/" after website.com so the root can be http://www.website.com/ (from existing http://) + var indexOfNextSlash = url.indexOf(ts.directorySeparator, rootLength); + if (indexOfNextSlash !== -1) { + // Found the "/" after the website.com so the root is length of http://www.website.com/ + // and get components afetr the root normally like any other folder components + rootLength = indexOfNextSlash + 1; + return normalizedPathComponents(url, rootLength); + } + else { + // Can't find the host assume the rest of the string as component + // but make sure we append "/" to it as root is not joined using "/" + // eg. if url passed in was http://website.com we want to use root as [http://website.com/] + // so that other path manipulations will be correct and it can be merged with relative paths correctly + return [url + ts.directorySeparator]; + } + } + function getNormalizedPathOrUrlComponents(pathOrUrl, currentDirectory) { + if (isUrl(pathOrUrl)) { + return getNormalizedPathComponentsOfUrl(pathOrUrl); + } + else { + return getNormalizedPathComponents(pathOrUrl, currentDirectory); + } + } + function getRelativePathToDirectoryOrUrl(directoryPathOrUrl, relativeOrAbsolutePath, currentDirectory, getCanonicalFileName, isAbsolutePathAnUrl) { + var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory); + var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory); + if (directoryComponents.length > 1 && lastOrUndefined(directoryComponents) === "") { + // If the directory path given was of type test/cases/ then we really need components of directory to be only till its name + // that is ["test", "cases", ""] needs to be actually ["test", "cases"] + directoryComponents.length--; + } + // Find the component that differs + var joinStartIndex; + for (joinStartIndex = 0; joinStartIndex < pathComponents.length && joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (getCanonicalFileName(directoryComponents[joinStartIndex]) !== getCanonicalFileName(pathComponents[joinStartIndex])) { + break; + } + } + // Get the relative path + if (joinStartIndex) { + var relativePath = ""; + var relativePathComponents = pathComponents.slice(joinStartIndex, pathComponents.length); + for (; joinStartIndex < directoryComponents.length; joinStartIndex++) { + if (directoryComponents[joinStartIndex] !== "") { + relativePath = relativePath + ".." + ts.directorySeparator; + } + } + return relativePath + relativePathComponents.join(ts.directorySeparator); + } + // Cant find the relative path, get the absolute path + var absolutePath = getNormalizedPathFromPathComponents(pathComponents); + if (isAbsolutePathAnUrl && isRootedDiskPath(absolutePath)) { + absolutePath = "file:///" + absolutePath; + } + return absolutePath; + } + ts.getRelativePathToDirectoryOrUrl = getRelativePathToDirectoryOrUrl; + function getBaseFileName(path) { + if (path === undefined) { + return undefined; + } + var i = path.lastIndexOf(ts.directorySeparator); + return i < 0 ? path : path.substring(i + 1); + } + ts.getBaseFileName = getBaseFileName; + function combinePaths(path1, path2) { + if (!(path1 && path1.length)) + return path2; + if (!(path2 && path2.length)) + return path1; + if (getRootLength(path2) !== 0) + return path2; + if (path1.charAt(path1.length - 1) === ts.directorySeparator) + return path1 + path2; + return path1 + ts.directorySeparator + path2; + } + ts.combinePaths = combinePaths; + function fileExtensionIs(path, extension) { + var pathLen = path.length; + var extLen = extension.length; + return pathLen > extLen && path.substr(pathLen - extLen, extLen) === extension; + } + ts.fileExtensionIs = fileExtensionIs; + /** + * List of supported extensions in order of file resolution precedence. + */ + ts.supportedTypeScriptExtensions = [".ts", ".tsx", ".d.ts"]; + ts.supportedJavascriptExtensions = [".js", ".jsx"]; + var allSupportedExtensions = ts.supportedTypeScriptExtensions.concat(ts.supportedJavascriptExtensions); + function getSupportedExtensions(options) { + return options && options.allowJs ? allSupportedExtensions : ts.supportedTypeScriptExtensions; + } + ts.getSupportedExtensions = getSupportedExtensions; + function isSupportedSourceFileName(fileName, compilerOptions) { + if (!fileName) { + return false; + } + for (var _i = 0, _a = getSupportedExtensions(compilerOptions); _i < _a.length; _i++) { + var extension = _a[_i]; + if (fileExtensionIs(fileName, extension)) { + return true; + } + } + return false; + } + ts.isSupportedSourceFileName = isSupportedSourceFileName; + var extensionsToRemove = [".d.ts", ".ts", ".js", ".tsx", ".jsx"]; + function removeFileExtension(path) { + for (var _i = 0, extensionsToRemove_1 = extensionsToRemove; _i < extensionsToRemove_1.length; _i++) { + var ext = extensionsToRemove_1[_i]; + if (fileExtensionIs(path, ext)) { + return path.substr(0, path.length - ext.length); + } + } + return path; + } + ts.removeFileExtension = removeFileExtension; + function Symbol(flags, name) { + this.flags = flags; + this.name = name; + this.declarations = undefined; + } + function Type(checker, flags) { + this.flags = flags; + } + function Signature(checker) { + } + function Node(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0 /* None */; + this.parent = undefined; + } + ts.objectAllocator = { + getNodeConstructor: function () { return Node; }, + getSourceFileConstructor: function () { return Node; }, + getSymbolConstructor: function () { return Symbol; }, + getTypeConstructor: function () { return Type; }, + getSignatureConstructor: function () { return Signature; } + }; + (function (AssertionLevel) { + AssertionLevel[AssertionLevel["None"] = 0] = "None"; + AssertionLevel[AssertionLevel["Normal"] = 1] = "Normal"; + AssertionLevel[AssertionLevel["Aggressive"] = 2] = "Aggressive"; + AssertionLevel[AssertionLevel["VeryAggressive"] = 3] = "VeryAggressive"; + })(ts.AssertionLevel || (ts.AssertionLevel = {})); + var AssertionLevel = ts.AssertionLevel; + var Debug; + (function (Debug) { + var currentAssertionLevel = 0 /* None */; + function shouldAssert(level) { + return currentAssertionLevel >= level; + } + Debug.shouldAssert = shouldAssert; + function assert(expression, message, verboseDebugInfo) { + if (!expression) { + var verboseDebugString = ""; + if (verboseDebugInfo) { + verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo(); + } + debugger; + throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString); + } + } + Debug.assert = assert; + function fail(message) { + Debug.assert(/*expression*/ false, message); + } + Debug.fail = fail; + })(Debug = ts.Debug || (ts.Debug = {})); + function copyListRemovingItem(item, list) { + var copiedList = []; + for (var _i = 0, list_1 = list; _i < list_1.length; _i++) { + var e = list_1[_i]; + if (e !== item) { + copiedList.push(e); + } + } + return copiedList; + } + ts.copyListRemovingItem = copyListRemovingItem; + function createGetCanonicalFileName(useCaseSensitivefileNames) { + return useCaseSensitivefileNames + ? (function (fileName) { return fileName; }) + : (function (fileName) { return fileName.toLowerCase(); }); + } + ts.createGetCanonicalFileName = createGetCanonicalFileName; +})(ts || (ts = {})); +/// +var ts; +(function (ts) { + ts.sys = (function () { + function getWScriptSystem() { + var fso = new ActiveXObject("Scripting.FileSystemObject"); + var fileStream = new ActiveXObject("ADODB.Stream"); + fileStream.Type = 2 /*text*/; + var binaryStream = new ActiveXObject("ADODB.Stream"); + binaryStream.Type = 1 /*binary*/; + var args = []; + for (var i = 0; i < WScript.Arguments.length; i++) { + args[i] = WScript.Arguments.Item(i); + } + function readFile(fileName, encoding) { + if (!fso.FileExists(fileName)) { + return undefined; + } + fileStream.Open(); + try { + if (encoding) { + fileStream.Charset = encoding; + fileStream.LoadFromFile(fileName); + } + else { + // Load file and read the first two bytes into a string with no interpretation + fileStream.Charset = "x-ansi"; + fileStream.LoadFromFile(fileName); + var bom = fileStream.ReadText(2) || ""; + // Position must be at 0 before encoding can be changed + fileStream.Position = 0; + // [0xFF,0xFE] and [0xFE,0xFF] mean utf-16 (little or big endian), otherwise default to utf-8 + fileStream.Charset = bom.length >= 2 && (bom.charCodeAt(0) === 0xFF && bom.charCodeAt(1) === 0xFE || bom.charCodeAt(0) === 0xFE && bom.charCodeAt(1) === 0xFF) ? "unicode" : "utf-8"; + } + // ReadText method always strips byte order mark from resulting string + return fileStream.ReadText(); + } + catch (e) { + throw e; + } + finally { + fileStream.Close(); + } + } + function writeFile(fileName, data, writeByteOrderMark) { + fileStream.Open(); + binaryStream.Open(); + try { + // Write characters in UTF-8 encoding + fileStream.Charset = "utf-8"; + fileStream.WriteText(data); + // If we don't want the BOM, then skip it by setting the starting location to 3 (size of BOM). + // If not, start from position 0, as the BOM will be added automatically when charset==utf8. + if (writeByteOrderMark) { + fileStream.Position = 0; + } + else { + fileStream.Position = 3; + } + fileStream.CopyTo(binaryStream); + binaryStream.SaveToFile(fileName, 2 /*overwrite*/); + } + finally { + binaryStream.Close(); + fileStream.Close(); + } + } + function getCanonicalPath(path) { + return path.toLowerCase(); + } + function getNames(collection) { + var result = []; + for (var e = new Enumerator(collection); !e.atEnd(); e.moveNext()) { + result.push(e.item().Name); + } + return result.sort(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var folder = fso.GetFolder(path || "."); + var files = getNames(folder.files); + for (var _i = 0, files_1 = files; _i < files_1.length; _i++) { + var current = files_1[_i]; + var name_1 = ts.combinePaths(path, current); + if ((!extension || ts.fileExtensionIs(name_1, extension)) && !ts.contains(exclude, getCanonicalPath(name_1))) { + result.push(name_1); + } + } + var subfolders = getNames(folder.subfolders); + for (var _a = 0, subfolders_1 = subfolders; _a < subfolders_1.length; _a++) { + var current = subfolders_1[_a]; + var name_2 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_2))) { + visitDirectory(name_2); + } + } + } + } + return { + args: args, + newLine: "\r\n", + useCaseSensitiveFileNames: false, + write: function (s) { + WScript.StdOut.Write(s); + }, + readFile: readFile, + writeFile: writeFile, + resolvePath: function (path) { + return fso.GetAbsolutePathName(path); + }, + fileExists: function (path) { + return fso.FileExists(path); + }, + directoryExists: function (path) { + return fso.FolderExists(path); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + fso.CreateFolder(directoryName); + } + }, + getExecutingFilePath: function () { + return WScript.ScriptFullName; + }, + getCurrentDirectory: function () { + return new ActiveXObject("WScript.Shell").CurrentDirectory; + }, + readDirectory: readDirectory, + exit: function (exitCode) { + try { + WScript.Quit(exitCode); + } + catch (e) { + } + } + }; + } + function getNodeSystem() { + var _fs = require("fs"); + var _path = require("path"); + var _os = require("os"); + // average async stat takes about 30 microseconds + // set chunk size to do 30 files in < 1 millisecond + function createPollingWatchedFileSet(interval, chunkSize) { + if (interval === void 0) { interval = 2500; } + if (chunkSize === void 0) { chunkSize = 30; } + var watchedFiles = []; + var nextFileToCheck = 0; + var watchTimer; + function getModifiedTime(fileName) { + return _fs.statSync(fileName).mtime; + } + function poll(checkedIndex) { + var watchedFile = watchedFiles[checkedIndex]; + if (!watchedFile) { + return; + } + _fs.stat(watchedFile.filePath, function (err, stats) { + if (err) { + watchedFile.callback(watchedFile.filePath); + } + else if (watchedFile.mtime.getTime() !== stats.mtime.getTime()) { + watchedFile.mtime = getModifiedTime(watchedFile.filePath); + watchedFile.callback(watchedFile.filePath, watchedFile.mtime.getTime() === 0); + } + }); + } + // this implementation uses polling and + // stat due to inconsistencies of fs.watch + // and efficiency of stat on modern filesystems + function startWatchTimer() { + watchTimer = setInterval(function () { + var count = 0; + var nextToCheck = nextFileToCheck; + var firstCheck = -1; + while ((count < chunkSize) && (nextToCheck !== firstCheck)) { + poll(nextToCheck); + if (firstCheck < 0) { + firstCheck = nextToCheck; + } + nextToCheck++; + if (nextToCheck === watchedFiles.length) { + nextToCheck = 0; + } + count++; + } + nextFileToCheck = nextToCheck; + }, interval); + } + function addFile(filePath, callback) { + var file = { + filePath: filePath, + callback: callback, + mtime: getModifiedTime(filePath) + }; + watchedFiles.push(file); + if (watchedFiles.length === 1) { + startWatchTimer(); + } + return file; + } + function removeFile(file) { + watchedFiles = ts.copyListRemovingItem(file, watchedFiles); + } + return { + getModifiedTime: getModifiedTime, + poll: poll, + startWatchTimer: startWatchTimer, + addFile: addFile, + removeFile: removeFile + }; + } + function createWatchedFileSet() { + var dirWatchers = ts.createFileMap(); + // One file can have multiple watchers + var fileWatcherCallbacks = ts.createFileMap(); + return { addFile: addFile, removeFile: removeFile }; + function reduceDirWatcherRefCountForFile(filePath) { + var dirPath = ts.getDirectoryPath(filePath); + if (dirWatchers.contains(dirPath)) { + var watcher = dirWatchers.get(dirPath); + watcher.referenceCount -= 1; + if (watcher.referenceCount <= 0) { + watcher.close(); + dirWatchers.remove(dirPath); + } + } + } + function addDirWatcher(dirPath) { + if (dirWatchers.contains(dirPath)) { + var watcher_1 = dirWatchers.get(dirPath); + watcher_1.referenceCount += 1; + return; + } + var watcher = _fs.watch(dirPath, { persistent: true }, function (eventName, relativeFileName) { return fileEventHandler(eventName, relativeFileName, dirPath); }); + watcher.referenceCount = 1; + dirWatchers.set(dirPath, watcher); + return; + } + function addFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + fileWatcherCallbacks.get(filePath).push(callback); + } + else { + fileWatcherCallbacks.set(filePath, [callback]); + } + } + function addFile(filePath, callback) { + addFileWatcherCallback(filePath, callback); + addDirWatcher(ts.getDirectoryPath(filePath)); + return { filePath: filePath, callback: callback }; + } + function removeFile(watchedFile) { + removeFileWatcherCallback(watchedFile.filePath, watchedFile.callback); + reduceDirWatcherRefCountForFile(watchedFile.filePath); + } + function removeFileWatcherCallback(filePath, callback) { + if (fileWatcherCallbacks.contains(filePath)) { + var newCallbacks = ts.copyListRemovingItem(callback, fileWatcherCallbacks.get(filePath)); + if (newCallbacks.length === 0) { + fileWatcherCallbacks.remove(filePath); + } + else { + fileWatcherCallbacks.set(filePath, newCallbacks); + } + } + } + /** + * @param watcherPath is the path from which the watcher is triggered. + */ + function fileEventHandler(eventName, relativeFileName, baseDirPath) { + // When files are deleted from disk, the triggered "rename" event would have a relativefileName of "undefined" + var filePath = typeof relativeFileName !== "string" + ? undefined + : ts.toPath(relativeFileName, baseDirPath, ts.createGetCanonicalFileName(ts.sys.useCaseSensitiveFileNames)); + // Some applications save a working file via rename operations + if ((eventName === "change" || eventName === "rename") && fileWatcherCallbacks.contains(filePath)) { + for (var _i = 0, _a = fileWatcherCallbacks.get(filePath); _i < _a.length; _i++) { + var fileCallback = _a[_i]; + fileCallback(filePath); + } + } + } + } + // REVIEW: for now this implementation uses polling. + // The advantage of polling is that it works reliably + // on all os and with network mounted files. + // For 90 referenced files, the average time to detect + // changes is 2*msInterval (by default 5 seconds). + // The overhead of this is .04 percent (1/2500) with + // average pause of < 1 millisecond (and max + // pause less than 1.5 milliseconds); question is + // do we anticipate reference sets in the 100s and + // do we care about waiting 10-20 seconds to detect + // changes for large reference sets? If so, do we want + // to increase the chunk size or decrease the interval + // time dynamically to match the large reference set? + var pollingWatchedFileSet = createPollingWatchedFileSet(); + var watchedFileSet = createWatchedFileSet(); + function isNode4OrLater() { + return parseInt(process.version.charAt(1)) >= 4; + } + var platform = _os.platform(); + // win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive + var useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin"; + function readFile(fileName, encoding) { + if (!_fs.existsSync(fileName)) { + return undefined; + } + var buffer = _fs.readFileSync(fileName); + var len = buffer.length; + if (len >= 2 && buffer[0] === 0xFE && buffer[1] === 0xFF) { + // Big endian UTF-16 byte order mark detected. Since big endian is not supported by node.js, + // flip all byte pairs and treat as little endian. + len &= ~1; + for (var i = 0; i < len; i += 2) { + var temp = buffer[i]; + buffer[i] = buffer[i + 1]; + buffer[i + 1] = temp; + } + return buffer.toString("utf16le", 2); + } + if (len >= 2 && buffer[0] === 0xFF && buffer[1] === 0xFE) { + // Little endian UTF-16 byte order mark detected + return buffer.toString("utf16le", 2); + } + if (len >= 3 && buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { + // UTF-8 byte order mark detected + return buffer.toString("utf8", 3); + } + // Default is UTF-8 with no byte order mark + return buffer.toString("utf8"); + } + function writeFile(fileName, data, writeByteOrderMark) { + // If a BOM is required, emit one + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + var fd; + try { + fd = _fs.openSync(fileName, "w"); + _fs.writeSync(fd, data, undefined, "utf8"); + } + finally { + if (fd !== undefined) { + _fs.closeSync(fd); + } + } + } + function getCanonicalPath(path) { + return useCaseSensitiveFileNames ? path : path.toLowerCase(); + } + function readDirectory(path, extension, exclude) { + var result = []; + exclude = ts.map(exclude, function (s) { return getCanonicalPath(ts.combinePaths(path, s)); }); + visitDirectory(path); + return result; + function visitDirectory(path) { + var files = _fs.readdirSync(path || ".").sort(); + var directories = []; + for (var _i = 0, files_2 = files; _i < files_2.length; _i++) { + var current = files_2[_i]; + var name_3 = ts.combinePaths(path, current); + if (!ts.contains(exclude, getCanonicalPath(name_3))) { + var stat = _fs.statSync(name_3); + if (stat.isFile()) { + if (!extension || ts.fileExtensionIs(name_3, extension)) { + result.push(name_3); + } + } + else if (stat.isDirectory()) { + directories.push(name_3); + } + } + } + for (var _a = 0, directories_1 = directories; _a < directories_1.length; _a++) { + var current = directories_1[_a]; + visitDirectory(current); + } + } + } + return { + args: process.argv.slice(2), + newLine: _os.EOL, + useCaseSensitiveFileNames: useCaseSensitiveFileNames, + write: function (s) { + process.stdout.write(s); + }, + readFile: readFile, + writeFile: writeFile, + watchFile: function (filePath, callback) { + // Node 4.0 stablized the `fs.watch` function on Windows which avoids polling + // and is more efficient than `fs.watchFile` (ref: https://github.com/nodejs/node/pull/2649 + // and https://github.com/Microsoft/TypeScript/issues/4643), therefore + // if the current node.js version is newer than 4, use `fs.watch` instead. + var watchSet = isNode4OrLater() ? watchedFileSet : pollingWatchedFileSet; + var watchedFile = watchSet.addFile(filePath, callback); + return { + close: function () { return watchSet.removeFile(watchedFile); } + }; + }, + watchDirectory: function (path, callback, recursive) { + // Node 4.0 `fs.watch` function supports the "recursive" option on both OSX and Windows + // (ref: https://github.com/nodejs/node/pull/2649 and https://github.com/Microsoft/TypeScript/issues/4643) + var options; + if (isNode4OrLater() && (process.platform === "win32" || process.platform === "darwin")) { + options = { persistent: true, recursive: !!recursive }; + } + else { + options = { persistent: true }; + } + return _fs.watch(path, options, function (eventName, relativeFileName) { + // In watchDirectory we only care about adding and removing files (when event name is + // "rename"); changes made within files are handled by corresponding fileWatchers (when + // event name is "change") + if (eventName === "rename") { + // When deleting a file, the passed baseFileName is null + callback(!relativeFileName ? relativeFileName : ts.normalizePath(ts.combinePaths(path, relativeFileName))); + } + ; + }); + }, + resolvePath: function (path) { + return _path.resolve(path); + }, + fileExists: function (path) { + return _fs.existsSync(path); + }, + directoryExists: function (path) { + return _fs.existsSync(path) && _fs.statSync(path).isDirectory(); + }, + createDirectory: function (directoryName) { + if (!this.directoryExists(directoryName)) { + _fs.mkdirSync(directoryName); + } + }, + getExecutingFilePath: function () { + return __filename; + }, + getCurrentDirectory: function () { + return process.cwd(); + }, + readDirectory: readDirectory, + getMemoryUsage: function () { + if (global.gc) { + global.gc(); + } + return process.memoryUsage().heapUsed; + }, + exit: function (exitCode) { + process.exit(exitCode); + } + }; + } + function getChakraSystem() { + return { + newLine: ChakraHost.newLine || "\r\n", + args: ChakraHost.args, + useCaseSensitiveFileNames: !!ChakraHost.useCaseSensitiveFileNames, + write: ChakraHost.echo, + readFile: function (path, encoding) { + // encoding is automatically handled by the implementation in ChakraHost + return ChakraHost.readFile(path); + }, + writeFile: function (path, data, writeByteOrderMark) { + // If a BOM is required, emit one + if (writeByteOrderMark) { + data = "\uFEFF" + data; + } + ChakraHost.writeFile(path, data); + }, + resolvePath: ChakraHost.resolvePath, + fileExists: ChakraHost.fileExists, + directoryExists: ChakraHost.directoryExists, + createDirectory: ChakraHost.createDirectory, + getExecutingFilePath: function () { return ChakraHost.executingFile; }, + getCurrentDirectory: function () { return ChakraHost.currentDirectory; }, + readDirectory: ChakraHost.readDirectory, + exit: ChakraHost.quit + }; + } + if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") { + return getWScriptSystem(); + } + else if (typeof process !== "undefined" && process.nextTick && !process.browser && typeof require !== "undefined") { + // process and process.nextTick checks if current environment is node-like + // process.browser check excludes webpack and browserify + return getNodeSystem(); + } + else if (typeof ChakraHost !== "undefined") { + return getChakraSystem(); + } + else { + return undefined; // Unsupported host + } + })(); +})(ts || (ts = {})); +// +/// +/* @internal */ +var ts; +(function (ts) { + ts.Diagnostics = { + Unterminated_string_literal: { code: 1002, category: ts.DiagnosticCategory.Error, key: "Unterminated_string_literal_1002", message: "Unterminated string literal." }, + Identifier_expected: { code: 1003, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_1003", message: "Identifier expected." }, + _0_expected: { code: 1005, category: ts.DiagnosticCategory.Error, key: "_0_expected_1005", message: "'{0}' expected." }, + A_file_cannot_have_a_reference_to_itself: { code: 1006, category: ts.DiagnosticCategory.Error, key: "A_file_cannot_have_a_reference_to_itself_1006", message: "A file cannot have a reference to itself." }, + Trailing_comma_not_allowed: { code: 1009, category: ts.DiagnosticCategory.Error, key: "Trailing_comma_not_allowed_1009", message: "Trailing comma not allowed." }, + Asterisk_Slash_expected: { code: 1010, category: ts.DiagnosticCategory.Error, key: "Asterisk_Slash_expected_1010", message: "'*/' expected." }, + Unexpected_token: { code: 1012, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_1012", message: "Unexpected token." }, + A_rest_parameter_must_be_last_in_a_parameter_list: { code: 1014, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_last_in_a_parameter_list_1014", message: "A rest parameter must be last in a parameter list." }, + Parameter_cannot_have_question_mark_and_initializer: { code: 1015, category: ts.DiagnosticCategory.Error, key: "Parameter_cannot_have_question_mark_and_initializer_1015", message: "Parameter cannot have question mark and initializer." }, + A_required_parameter_cannot_follow_an_optional_parameter: { code: 1016, category: ts.DiagnosticCategory.Error, key: "A_required_parameter_cannot_follow_an_optional_parameter_1016", message: "A required parameter cannot follow an optional parameter." }, + An_index_signature_cannot_have_a_rest_parameter: { code: 1017, category: ts.DiagnosticCategory.Error, key: "An_index_signature_cannot_have_a_rest_parameter_1017", message: "An index signature cannot have a rest parameter." }, + An_index_signature_parameter_cannot_have_an_accessibility_modifier: { code: 1018, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_accessibility_modifier_1018", message: "An index signature parameter cannot have an accessibility modifier." }, + An_index_signature_parameter_cannot_have_a_question_mark: { code: 1019, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_a_question_mark_1019", message: "An index signature parameter cannot have a question mark." }, + An_index_signature_parameter_cannot_have_an_initializer: { code: 1020, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_cannot_have_an_initializer_1020", message: "An index signature parameter cannot have an initializer." }, + An_index_signature_must_have_a_type_annotation: { code: 1021, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_a_type_annotation_1021", message: "An index signature must have a type annotation." }, + An_index_signature_parameter_must_have_a_type_annotation: { code: 1022, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_must_have_a_type_annotation_1022", message: "An index signature parameter must have a type annotation." }, + An_index_signature_parameter_type_must_be_string_or_number: { code: 1023, category: ts.DiagnosticCategory.Error, key: "An_index_signature_parameter_type_must_be_string_or_number_1023", message: "An index signature parameter type must be 'string' or 'number'." }, + Accessibility_modifier_already_seen: { code: 1028, category: ts.DiagnosticCategory.Error, key: "Accessibility_modifier_already_seen_1028", message: "Accessibility modifier already seen." }, + _0_modifier_must_precede_1_modifier: { code: 1029, category: ts.DiagnosticCategory.Error, key: "_0_modifier_must_precede_1_modifier_1029", message: "'{0}' modifier must precede '{1}' modifier." }, + _0_modifier_already_seen: { code: 1030, category: ts.DiagnosticCategory.Error, key: "_0_modifier_already_seen_1030", message: "'{0}' modifier already seen." }, + _0_modifier_cannot_appear_on_a_class_element: { code: 1031, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_class_element_1031", message: "'{0}' modifier cannot appear on a class element." }, + super_must_be_followed_by_an_argument_list_or_member_access: { code: 1034, category: ts.DiagnosticCategory.Error, key: "super_must_be_followed_by_an_argument_list_or_member_access_1034", message: "'super' must be followed by an argument list or member access." }, + Only_ambient_modules_can_use_quoted_names: { code: 1035, category: ts.DiagnosticCategory.Error, key: "Only_ambient_modules_can_use_quoted_names_1035", message: "Only ambient modules can use quoted names." }, + Statements_are_not_allowed_in_ambient_contexts: { code: 1036, category: ts.DiagnosticCategory.Error, key: "Statements_are_not_allowed_in_ambient_contexts_1036", message: "Statements are not allowed in ambient contexts." }, + A_declare_modifier_cannot_be_used_in_an_already_ambient_context: { code: 1038, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_cannot_be_used_in_an_already_ambient_context_1038", message: "A 'declare' modifier cannot be used in an already ambient context." }, + Initializers_are_not_allowed_in_ambient_contexts: { code: 1039, category: ts.DiagnosticCategory.Error, key: "Initializers_are_not_allowed_in_ambient_contexts_1039", message: "Initializers are not allowed in ambient contexts." }, + _0_modifier_cannot_be_used_in_an_ambient_context: { code: 1040, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_in_an_ambient_context_1040", message: "'{0}' modifier cannot be used in an ambient context." }, + _0_modifier_cannot_be_used_with_a_class_declaration: { code: 1041, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_a_class_declaration_1041", message: "'{0}' modifier cannot be used with a class declaration." }, + _0_modifier_cannot_be_used_here: { code: 1042, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_here_1042", message: "'{0}' modifier cannot be used here." }, + _0_modifier_cannot_appear_on_a_data_property: { code: 1043, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_data_property_1043", message: "'{0}' modifier cannot appear on a data property." }, + _0_modifier_cannot_appear_on_a_module_element: { code: 1044, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_module_element_1044", message: "'{0}' modifier cannot appear on a module element." }, + A_0_modifier_cannot_be_used_with_an_interface_declaration: { code: 1045, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_interface_declaration_1045", message: "A '{0}' modifier cannot be used with an interface declaration." }, + A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file: { code: 1046, category: ts.DiagnosticCategory.Error, key: "A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file_1046", message: "A 'declare' modifier is required for a top level declaration in a .d.ts file." }, + A_rest_parameter_cannot_be_optional: { code: 1047, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_be_optional_1047", message: "A rest parameter cannot be optional." }, + A_rest_parameter_cannot_have_an_initializer: { code: 1048, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_cannot_have_an_initializer_1048", message: "A rest parameter cannot have an initializer." }, + A_set_accessor_must_have_exactly_one_parameter: { code: 1049, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_must_have_exactly_one_parameter_1049", message: "A 'set' accessor must have exactly one parameter." }, + A_set_accessor_cannot_have_an_optional_parameter: { code: 1051, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_an_optional_parameter_1051", message: "A 'set' accessor cannot have an optional parameter." }, + A_set_accessor_parameter_cannot_have_an_initializer: { code: 1052, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_parameter_cannot_have_an_initializer_1052", message: "A 'set' accessor parameter cannot have an initializer." }, + A_set_accessor_cannot_have_rest_parameter: { code: 1053, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_rest_parameter_1053", message: "A 'set' accessor cannot have rest parameter." }, + A_get_accessor_cannot_have_parameters: { code: 1054, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_cannot_have_parameters_1054", message: "A 'get' accessor cannot have parameters." }, + Type_0_is_not_a_valid_async_function_return_type: { code: 1055, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_valid_async_function_return_type_1055", message: "Type '{0}' is not a valid async function return type." }, + Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher: { code: 1056, category: ts.DiagnosticCategory.Error, key: "Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher_1056", message: "Accessors are only available when targeting ECMAScript 5 and higher." }, + An_async_function_or_method_must_have_a_valid_awaitable_return_type: { code: 1057, category: ts.DiagnosticCategory.Error, key: "An_async_function_or_method_must_have_a_valid_awaitable_return_type_1057", message: "An async function or method must have a valid awaitable return type." }, + Operand_for_await_does_not_have_a_valid_callable_then_member: { code: 1058, category: ts.DiagnosticCategory.Error, key: "Operand_for_await_does_not_have_a_valid_callable_then_member_1058", message: "Operand for 'await' does not have a valid callable 'then' member." }, + Return_expression_in_async_function_does_not_have_a_valid_callable_then_member: { code: 1059, category: ts.DiagnosticCategory.Error, key: "Return_expression_in_async_function_does_not_have_a_valid_callable_then_member_1059", message: "Return expression in async function does not have a valid callable 'then' member." }, + Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member: { code: 1060, category: ts.DiagnosticCategory.Error, key: "Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member_1060", message: "Expression body for async arrow function does not have a valid callable 'then' member." }, + Enum_member_must_have_initializer: { code: 1061, category: ts.DiagnosticCategory.Error, key: "Enum_member_must_have_initializer_1061", message: "Enum member must have initializer." }, + _0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method: { code: 1062, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method_1062", message: "{0} is referenced directly or indirectly in the fulfillment callback of its own 'then' method." }, + An_export_assignment_cannot_be_used_in_a_namespace: { code: 1063, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_namespace_1063", message: "An export assignment cannot be used in a namespace." }, + The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type: { code: 1064, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type_1064", message: "The return type of an async function or method must be the global Promise type." }, + In_ambient_enum_declarations_member_initializer_must_be_constant_expression: { code: 1066, category: ts.DiagnosticCategory.Error, key: "In_ambient_enum_declarations_member_initializer_must_be_constant_expression_1066", message: "In ambient enum declarations member initializer must be constant expression." }, + Unexpected_token_A_constructor_method_accessor_or_property_was_expected: { code: 1068, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_A_constructor_method_accessor_or_property_was_expected_1068", message: "Unexpected token. A constructor, method, accessor, or property was expected." }, + A_0_modifier_cannot_be_used_with_an_import_declaration: { code: 1079, category: ts.DiagnosticCategory.Error, key: "A_0_modifier_cannot_be_used_with_an_import_declaration_1079", message: "A '{0}' modifier cannot be used with an import declaration." }, + Invalid_reference_directive_syntax: { code: 1084, category: ts.DiagnosticCategory.Error, key: "Invalid_reference_directive_syntax_1084", message: "Invalid 'reference' directive syntax." }, + Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher: { code: 1085, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher_1085", message: "Octal literals are not available when targeting ECMAScript 5 and higher." }, + An_accessor_cannot_be_declared_in_an_ambient_context: { code: 1086, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_be_declared_in_an_ambient_context_1086", message: "An accessor cannot be declared in an ambient context." }, + _0_modifier_cannot_appear_on_a_constructor_declaration: { code: 1089, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_constructor_declaration_1089", message: "'{0}' modifier cannot appear on a constructor declaration." }, + _0_modifier_cannot_appear_on_a_parameter: { code: 1090, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_appear_on_a_parameter_1090", message: "'{0}' modifier cannot appear on a parameter." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement: { code: 1091, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement_1091", message: "Only a single variable declaration is allowed in a 'for...in' statement." }, + Type_parameters_cannot_appear_on_a_constructor_declaration: { code: 1092, category: ts.DiagnosticCategory.Error, key: "Type_parameters_cannot_appear_on_a_constructor_declaration_1092", message: "Type parameters cannot appear on a constructor declaration." }, + Type_annotation_cannot_appear_on_a_constructor_declaration: { code: 1093, category: ts.DiagnosticCategory.Error, key: "Type_annotation_cannot_appear_on_a_constructor_declaration_1093", message: "Type annotation cannot appear on a constructor declaration." }, + An_accessor_cannot_have_type_parameters: { code: 1094, category: ts.DiagnosticCategory.Error, key: "An_accessor_cannot_have_type_parameters_1094", message: "An accessor cannot have type parameters." }, + A_set_accessor_cannot_have_a_return_type_annotation: { code: 1095, category: ts.DiagnosticCategory.Error, key: "A_set_accessor_cannot_have_a_return_type_annotation_1095", message: "A 'set' accessor cannot have a return type annotation." }, + An_index_signature_must_have_exactly_one_parameter: { code: 1096, category: ts.DiagnosticCategory.Error, key: "An_index_signature_must_have_exactly_one_parameter_1096", message: "An index signature must have exactly one parameter." }, + _0_list_cannot_be_empty: { code: 1097, category: ts.DiagnosticCategory.Error, key: "_0_list_cannot_be_empty_1097", message: "'{0}' list cannot be empty." }, + Type_parameter_list_cannot_be_empty: { code: 1098, category: ts.DiagnosticCategory.Error, key: "Type_parameter_list_cannot_be_empty_1098", message: "Type parameter list cannot be empty." }, + Type_argument_list_cannot_be_empty: { code: 1099, category: ts.DiagnosticCategory.Error, key: "Type_argument_list_cannot_be_empty_1099", message: "Type argument list cannot be empty." }, + Invalid_use_of_0_in_strict_mode: { code: 1100, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_in_strict_mode_1100", message: "Invalid use of '{0}' in strict mode." }, + with_statements_are_not_allowed_in_strict_mode: { code: 1101, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_strict_mode_1101", message: "'with' statements are not allowed in strict mode." }, + delete_cannot_be_called_on_an_identifier_in_strict_mode: { code: 1102, category: ts.DiagnosticCategory.Error, key: "delete_cannot_be_called_on_an_identifier_in_strict_mode_1102", message: "'delete' cannot be called on an identifier in strict mode." }, + A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement: { code: 1104, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement_1104", message: "A 'continue' statement can only be used within an enclosing iteration statement." }, + A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement: { code: 1105, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement_1105", message: "A 'break' statement can only be used within an enclosing iteration or switch statement." }, + Jump_target_cannot_cross_function_boundary: { code: 1107, category: ts.DiagnosticCategory.Error, key: "Jump_target_cannot_cross_function_boundary_1107", message: "Jump target cannot cross function boundary." }, + A_return_statement_can_only_be_used_within_a_function_body: { code: 1108, category: ts.DiagnosticCategory.Error, key: "A_return_statement_can_only_be_used_within_a_function_body_1108", message: "A 'return' statement can only be used within a function body." }, + Expression_expected: { code: 1109, category: ts.DiagnosticCategory.Error, key: "Expression_expected_1109", message: "Expression expected." }, + Type_expected: { code: 1110, category: ts.DiagnosticCategory.Error, key: "Type_expected_1110", message: "Type expected." }, + A_class_member_cannot_be_declared_optional: { code: 1112, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_be_declared_optional_1112", message: "A class member cannot be declared optional." }, + A_default_clause_cannot_appear_more_than_once_in_a_switch_statement: { code: 1113, category: ts.DiagnosticCategory.Error, key: "A_default_clause_cannot_appear_more_than_once_in_a_switch_statement_1113", message: "A 'default' clause cannot appear more than once in a 'switch' statement." }, + Duplicate_label_0: { code: 1114, category: ts.DiagnosticCategory.Error, key: "Duplicate_label_0_1114", message: "Duplicate label '{0}'" }, + A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement: { code: 1115, category: ts.DiagnosticCategory.Error, key: "A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement_1115", message: "A 'continue' statement can only jump to a label of an enclosing iteration statement." }, + A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement: { code: 1116, category: ts.DiagnosticCategory.Error, key: "A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement_1116", message: "A 'break' statement can only jump to a label of an enclosing statement." }, + An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode: { code: 1117, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode_1117", message: "An object literal cannot have multiple properties with the same name in strict mode." }, + An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name: { code: 1118, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name_1118", message: "An object literal cannot have multiple get/set accessors with the same name." }, + An_object_literal_cannot_have_property_and_accessor_with_the_same_name: { code: 1119, category: ts.DiagnosticCategory.Error, key: "An_object_literal_cannot_have_property_and_accessor_with_the_same_name_1119", message: "An object literal cannot have property and accessor with the same name." }, + An_export_assignment_cannot_have_modifiers: { code: 1120, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_have_modifiers_1120", message: "An export assignment cannot have modifiers." }, + Octal_literals_are_not_allowed_in_strict_mode: { code: 1121, category: ts.DiagnosticCategory.Error, key: "Octal_literals_are_not_allowed_in_strict_mode_1121", message: "Octal literals are not allowed in strict mode." }, + A_tuple_type_element_list_cannot_be_empty: { code: 1122, category: ts.DiagnosticCategory.Error, key: "A_tuple_type_element_list_cannot_be_empty_1122", message: "A tuple type element list cannot be empty." }, + Variable_declaration_list_cannot_be_empty: { code: 1123, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_list_cannot_be_empty_1123", message: "Variable declaration list cannot be empty." }, + Digit_expected: { code: 1124, category: ts.DiagnosticCategory.Error, key: "Digit_expected_1124", message: "Digit expected." }, + Hexadecimal_digit_expected: { code: 1125, category: ts.DiagnosticCategory.Error, key: "Hexadecimal_digit_expected_1125", message: "Hexadecimal digit expected." }, + Unexpected_end_of_text: { code: 1126, category: ts.DiagnosticCategory.Error, key: "Unexpected_end_of_text_1126", message: "Unexpected end of text." }, + Invalid_character: { code: 1127, category: ts.DiagnosticCategory.Error, key: "Invalid_character_1127", message: "Invalid character." }, + Declaration_or_statement_expected: { code: 1128, category: ts.DiagnosticCategory.Error, key: "Declaration_or_statement_expected_1128", message: "Declaration or statement expected." }, + Statement_expected: { code: 1129, category: ts.DiagnosticCategory.Error, key: "Statement_expected_1129", message: "Statement expected." }, + case_or_default_expected: { code: 1130, category: ts.DiagnosticCategory.Error, key: "case_or_default_expected_1130", message: "'case' or 'default' expected." }, + Property_or_signature_expected: { code: 1131, category: ts.DiagnosticCategory.Error, key: "Property_or_signature_expected_1131", message: "Property or signature expected." }, + Enum_member_expected: { code: 1132, category: ts.DiagnosticCategory.Error, key: "Enum_member_expected_1132", message: "Enum member expected." }, + Variable_declaration_expected: { code: 1134, category: ts.DiagnosticCategory.Error, key: "Variable_declaration_expected_1134", message: "Variable declaration expected." }, + Argument_expression_expected: { code: 1135, category: ts.DiagnosticCategory.Error, key: "Argument_expression_expected_1135", message: "Argument expression expected." }, + Property_assignment_expected: { code: 1136, category: ts.DiagnosticCategory.Error, key: "Property_assignment_expected_1136", message: "Property assignment expected." }, + Expression_or_comma_expected: { code: 1137, category: ts.DiagnosticCategory.Error, key: "Expression_or_comma_expected_1137", message: "Expression or comma expected." }, + Parameter_declaration_expected: { code: 1138, category: ts.DiagnosticCategory.Error, key: "Parameter_declaration_expected_1138", message: "Parameter declaration expected." }, + Type_parameter_declaration_expected: { code: 1139, category: ts.DiagnosticCategory.Error, key: "Type_parameter_declaration_expected_1139", message: "Type parameter declaration expected." }, + Type_argument_expected: { code: 1140, category: ts.DiagnosticCategory.Error, key: "Type_argument_expected_1140", message: "Type argument expected." }, + String_literal_expected: { code: 1141, category: ts.DiagnosticCategory.Error, key: "String_literal_expected_1141", message: "String literal expected." }, + Line_break_not_permitted_here: { code: 1142, category: ts.DiagnosticCategory.Error, key: "Line_break_not_permitted_here_1142", message: "Line break not permitted here." }, + or_expected: { code: 1144, category: ts.DiagnosticCategory.Error, key: "or_expected_1144", message: "'{' or ';' expected." }, + Modifiers_not_permitted_on_index_signature_members: { code: 1145, category: ts.DiagnosticCategory.Error, key: "Modifiers_not_permitted_on_index_signature_members_1145", message: "Modifiers not permitted on index signature members." }, + Declaration_expected: { code: 1146, category: ts.DiagnosticCategory.Error, key: "Declaration_expected_1146", message: "Declaration expected." }, + Import_declarations_in_a_namespace_cannot_reference_a_module: { code: 1147, category: ts.DiagnosticCategory.Error, key: "Import_declarations_in_a_namespace_cannot_reference_a_module_1147", message: "Import declarations in a namespace cannot reference a module." }, + Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file: { code: 1148, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting__1148", message: "Cannot compile modules unless the '--module' flag is provided with a valid module type. Consider setting the 'module' compiler option in a 'tsconfig.json' file." }, + File_name_0_differs_from_already_included_file_name_1_only_in_casing: { code: 1149, category: ts.DiagnosticCategory.Error, key: "File_name_0_differs_from_already_included_file_name_1_only_in_casing_1149", message: "File name '{0}' differs from already included file name '{1}' only in casing" }, + new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead: { code: 1150, category: ts.DiagnosticCategory.Error, key: "new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead_1150", message: "'new T[]' cannot be used to create an array. Use 'new Array()' instead." }, + const_declarations_must_be_initialized: { code: 1155, category: ts.DiagnosticCategory.Error, key: "const_declarations_must_be_initialized_1155", message: "'const' declarations must be initialized" }, + const_declarations_can_only_be_declared_inside_a_block: { code: 1156, category: ts.DiagnosticCategory.Error, key: "const_declarations_can_only_be_declared_inside_a_block_1156", message: "'const' declarations can only be declared inside a block." }, + let_declarations_can_only_be_declared_inside_a_block: { code: 1157, category: ts.DiagnosticCategory.Error, key: "let_declarations_can_only_be_declared_inside_a_block_1157", message: "'let' declarations can only be declared inside a block." }, + Unterminated_template_literal: { code: 1160, category: ts.DiagnosticCategory.Error, key: "Unterminated_template_literal_1160", message: "Unterminated template literal." }, + Unterminated_regular_expression_literal: { code: 1161, category: ts.DiagnosticCategory.Error, key: "Unterminated_regular_expression_literal_1161", message: "Unterminated regular expression literal." }, + An_object_member_cannot_be_declared_optional: { code: 1162, category: ts.DiagnosticCategory.Error, key: "An_object_member_cannot_be_declared_optional_1162", message: "An object member cannot be declared optional." }, + A_yield_expression_is_only_allowed_in_a_generator_body: { code: 1163, category: ts.DiagnosticCategory.Error, key: "A_yield_expression_is_only_allowed_in_a_generator_body_1163", message: "A 'yield' expression is only allowed in a generator body." }, + Computed_property_names_are_not_allowed_in_enums: { code: 1164, category: ts.DiagnosticCategory.Error, key: "Computed_property_names_are_not_allowed_in_enums_1164", message: "Computed property names are not allowed in enums." }, + A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol: { code: 1165, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol_1165", message: "A computed property name in an ambient context must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol: { code: 1166, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol_1166", message: "A computed property name in a class property declaration must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol: { code: 1168, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol_1168", message: "A computed property name in a method overload must directly refer to a built-in symbol." }, + A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol: { code: 1169, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol_1169", message: "A computed property name in an interface must directly refer to a built-in symbol." }, + A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol: { code: 1170, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol_1170", message: "A computed property name in a type literal must directly refer to a built-in symbol." }, + A_comma_expression_is_not_allowed_in_a_computed_property_name: { code: 1171, category: ts.DiagnosticCategory.Error, key: "A_comma_expression_is_not_allowed_in_a_computed_property_name_1171", message: "A comma expression is not allowed in a computed property name." }, + extends_clause_already_seen: { code: 1172, category: ts.DiagnosticCategory.Error, key: "extends_clause_already_seen_1172", message: "'extends' clause already seen." }, + extends_clause_must_precede_implements_clause: { code: 1173, category: ts.DiagnosticCategory.Error, key: "extends_clause_must_precede_implements_clause_1173", message: "'extends' clause must precede 'implements' clause." }, + Classes_can_only_extend_a_single_class: { code: 1174, category: ts.DiagnosticCategory.Error, key: "Classes_can_only_extend_a_single_class_1174", message: "Classes can only extend a single class." }, + implements_clause_already_seen: { code: 1175, category: ts.DiagnosticCategory.Error, key: "implements_clause_already_seen_1175", message: "'implements' clause already seen." }, + Interface_declaration_cannot_have_implements_clause: { code: 1176, category: ts.DiagnosticCategory.Error, key: "Interface_declaration_cannot_have_implements_clause_1176", message: "Interface declaration cannot have 'implements' clause." }, + Binary_digit_expected: { code: 1177, category: ts.DiagnosticCategory.Error, key: "Binary_digit_expected_1177", message: "Binary digit expected." }, + Octal_digit_expected: { code: 1178, category: ts.DiagnosticCategory.Error, key: "Octal_digit_expected_1178", message: "Octal digit expected." }, + Unexpected_token_expected: { code: 1179, category: ts.DiagnosticCategory.Error, key: "Unexpected_token_expected_1179", message: "Unexpected token. '{' expected." }, + Property_destructuring_pattern_expected: { code: 1180, category: ts.DiagnosticCategory.Error, key: "Property_destructuring_pattern_expected_1180", message: "Property destructuring pattern expected." }, + Array_element_destructuring_pattern_expected: { code: 1181, category: ts.DiagnosticCategory.Error, key: "Array_element_destructuring_pattern_expected_1181", message: "Array element destructuring pattern expected." }, + A_destructuring_declaration_must_have_an_initializer: { code: 1182, category: ts.DiagnosticCategory.Error, key: "A_destructuring_declaration_must_have_an_initializer_1182", message: "A destructuring declaration must have an initializer." }, + An_implementation_cannot_be_declared_in_ambient_contexts: { code: 1183, category: ts.DiagnosticCategory.Error, key: "An_implementation_cannot_be_declared_in_ambient_contexts_1183", message: "An implementation cannot be declared in ambient contexts." }, + Modifiers_cannot_appear_here: { code: 1184, category: ts.DiagnosticCategory.Error, key: "Modifiers_cannot_appear_here_1184", message: "Modifiers cannot appear here." }, + Merge_conflict_marker_encountered: { code: 1185, category: ts.DiagnosticCategory.Error, key: "Merge_conflict_marker_encountered_1185", message: "Merge conflict marker encountered." }, + A_rest_element_cannot_have_an_initializer: { code: 1186, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_have_an_initializer_1186", message: "A rest element cannot have an initializer." }, + A_parameter_property_may_not_be_a_binding_pattern: { code: 1187, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_may_not_be_a_binding_pattern_1187", message: "A parameter property may not be a binding pattern." }, + Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement: { code: 1188, category: ts.DiagnosticCategory.Error, key: "Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement_1188", message: "Only a single variable declaration is allowed in a 'for...of' statement." }, + The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer: { code: 1189, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer_1189", message: "The variable declaration of a 'for...in' statement cannot have an initializer." }, + The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer: { code: 1190, category: ts.DiagnosticCategory.Error, key: "The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer_1190", message: "The variable declaration of a 'for...of' statement cannot have an initializer." }, + An_import_declaration_cannot_have_modifiers: { code: 1191, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_cannot_have_modifiers_1191", message: "An import declaration cannot have modifiers." }, + Module_0_has_no_default_export: { code: 1192, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_default_export_1192", message: "Module '{0}' has no default export." }, + An_export_declaration_cannot_have_modifiers: { code: 1193, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_cannot_have_modifiers_1193", message: "An export declaration cannot have modifiers." }, + Export_declarations_are_not_permitted_in_a_namespace: { code: 1194, category: ts.DiagnosticCategory.Error, key: "Export_declarations_are_not_permitted_in_a_namespace_1194", message: "Export declarations are not permitted in a namespace." }, + Catch_clause_variable_name_must_be_an_identifier: { code: 1195, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_name_must_be_an_identifier_1195", message: "Catch clause variable name must be an identifier." }, + Catch_clause_variable_cannot_have_a_type_annotation: { code: 1196, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_a_type_annotation_1196", message: "Catch clause variable cannot have a type annotation." }, + Catch_clause_variable_cannot_have_an_initializer: { code: 1197, category: ts.DiagnosticCategory.Error, key: "Catch_clause_variable_cannot_have_an_initializer_1197", message: "Catch clause variable cannot have an initializer." }, + An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive: { code: 1198, category: ts.DiagnosticCategory.Error, key: "An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive_1198", message: "An extended Unicode escape value must be between 0x0 and 0x10FFFF inclusive." }, + Unterminated_Unicode_escape_sequence: { code: 1199, category: ts.DiagnosticCategory.Error, key: "Unterminated_Unicode_escape_sequence_1199", message: "Unterminated Unicode escape sequence." }, + Line_terminator_not_permitted_before_arrow: { code: 1200, category: ts.DiagnosticCategory.Error, key: "Line_terminator_not_permitted_before_arrow_1200", message: "Line terminator not permitted before arrow." }, + Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead: { code: 1202, category: ts.DiagnosticCategory.Error, key: "Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk__1202", message: "Import assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'import * as ns from \"mod\"', 'import {a} from \"mod\"', 'import d from \"mod\"', or another module format instead." }, + Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead: { code: 1203, category: ts.DiagnosticCategory.Error, key: "Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_o_1203", message: "Export assignment cannot be used when targeting ECMAScript 6 modules. Consider using 'export default' or another module format instead." }, + Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower: { code: 1204, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower_1204", message: "Cannot compile modules into 'es2015' when targeting 'ES5' or lower." }, + Decorators_are_not_valid_here: { code: 1206, category: ts.DiagnosticCategory.Error, key: "Decorators_are_not_valid_here_1206", message: "Decorators are not valid here." }, + Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name: { code: 1207, category: ts.DiagnosticCategory.Error, key: "Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name_1207", message: "Decorators cannot be applied to multiple get/set accessors of the same name." }, + Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided: { code: 1208, category: ts.DiagnosticCategory.Error, key: "Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided_1208", message: "Cannot compile namespaces when the '--isolatedModules' flag is provided." }, + Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided: { code: 1209, category: ts.DiagnosticCategory.Error, key: "Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided_1209", message: "Ambient const enums are not allowed when the '--isolatedModules' flag is provided." }, + Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode: { code: 1210, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode_1210", message: "Invalid use of '{0}'. Class definitions are automatically in strict mode." }, + A_class_declaration_without_the_default_modifier_must_have_a_name: { code: 1211, category: ts.DiagnosticCategory.Error, key: "A_class_declaration_without_the_default_modifier_must_have_a_name_1211", message: "A class declaration without the 'default' modifier must have a name" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode: { code: 1212, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_1212", message: "Identifier expected. '{0}' is a reserved word in strict mode" }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode: { code: 1213, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_stric_1213", message: "Identifier expected. '{0}' is a reserved word in strict mode. Class definitions are automatically in strict mode." }, + Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode: { code: 1214, category: ts.DiagnosticCategory.Error, key: "Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode_1214", message: "Identifier expected. '{0}' is a reserved word in strict mode. Modules are automatically in strict mode." }, + Invalid_use_of_0_Modules_are_automatically_in_strict_mode: { code: 1215, category: ts.DiagnosticCategory.Error, key: "Invalid_use_of_0_Modules_are_automatically_in_strict_mode_1215", message: "Invalid use of '{0}'. Modules are automatically in strict mode." }, + Export_assignment_is_not_supported_when_module_flag_is_system: { code: 1218, category: ts.DiagnosticCategory.Error, key: "Export_assignment_is_not_supported_when_module_flag_is_system_1218", message: "Export assignment is not supported when '--module' flag is 'system'." }, + Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning: { code: 1219, category: ts.DiagnosticCategory.Error, key: "Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_t_1219", message: "Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option to remove this warning." }, + Generators_are_only_available_when_targeting_ECMAScript_6_or_higher: { code: 1220, category: ts.DiagnosticCategory.Error, key: "Generators_are_only_available_when_targeting_ECMAScript_6_or_higher_1220", message: "Generators are only available when targeting ECMAScript 6 or higher." }, + Generators_are_not_allowed_in_an_ambient_context: { code: 1221, category: ts.DiagnosticCategory.Error, key: "Generators_are_not_allowed_in_an_ambient_context_1221", message: "Generators are not allowed in an ambient context." }, + An_overload_signature_cannot_be_declared_as_a_generator: { code: 1222, category: ts.DiagnosticCategory.Error, key: "An_overload_signature_cannot_be_declared_as_a_generator_1222", message: "An overload signature cannot be declared as a generator." }, + _0_tag_already_specified: { code: 1223, category: ts.DiagnosticCategory.Error, key: "_0_tag_already_specified_1223", message: "'{0}' tag already specified." }, + Signature_0_must_have_a_type_predicate: { code: 1224, category: ts.DiagnosticCategory.Error, key: "Signature_0_must_have_a_type_predicate_1224", message: "Signature '{0}' must have a type predicate." }, + Cannot_find_parameter_0: { code: 1225, category: ts.DiagnosticCategory.Error, key: "Cannot_find_parameter_0_1225", message: "Cannot find parameter '{0}'." }, + Type_predicate_0_is_not_assignable_to_1: { code: 1226, category: ts.DiagnosticCategory.Error, key: "Type_predicate_0_is_not_assignable_to_1_1226", message: "Type predicate '{0}' is not assignable to '{1}'." }, + Parameter_0_is_not_in_the_same_position_as_parameter_1: { code: 1227, category: ts.DiagnosticCategory.Error, key: "Parameter_0_is_not_in_the_same_position_as_parameter_1_1227", message: "Parameter '{0}' is not in the same position as parameter '{1}'." }, + A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods: { code: 1228, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods_1228", message: "A type predicate is only allowed in return type position for functions and methods." }, + A_type_predicate_cannot_reference_a_rest_parameter: { code: 1229, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_a_rest_parameter_1229", message: "A type predicate cannot reference a rest parameter." }, + A_type_predicate_cannot_reference_element_0_in_a_binding_pattern: { code: 1230, category: ts.DiagnosticCategory.Error, key: "A_type_predicate_cannot_reference_element_0_in_a_binding_pattern_1230", message: "A type predicate cannot reference element '{0}' in a binding pattern." }, + An_export_assignment_can_only_be_used_in_a_module: { code: 1231, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_can_only_be_used_in_a_module_1231", message: "An export assignment can only be used in a module." }, + An_import_declaration_can_only_be_used_in_a_namespace_or_module: { code: 1232, category: ts.DiagnosticCategory.Error, key: "An_import_declaration_can_only_be_used_in_a_namespace_or_module_1232", message: "An import declaration can only be used in a namespace or module." }, + An_export_declaration_can_only_be_used_in_a_module: { code: 1233, category: ts.DiagnosticCategory.Error, key: "An_export_declaration_can_only_be_used_in_a_module_1233", message: "An export declaration can only be used in a module." }, + An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file: { code: 1234, category: ts.DiagnosticCategory.Error, key: "An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file_1234", message: "An ambient module declaration is only allowed at the top level in a file." }, + A_namespace_declaration_is_only_allowed_in_a_namespace_or_module: { code: 1235, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_is_only_allowed_in_a_namespace_or_module_1235", message: "A namespace declaration is only allowed in a namespace or module." }, + The_return_type_of_a_property_decorator_function_must_be_either_void_or_any: { code: 1236, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_property_decorator_function_must_be_either_void_or_any_1236", message: "The return type of a property decorator function must be either 'void' or 'any'." }, + The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any: { code: 1237, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any_1237", message: "The return type of a parameter decorator function must be either 'void' or 'any'." }, + Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression: { code: 1238, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression_1238", message: "Unable to resolve signature of class decorator when called as an expression." }, + Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression: { code: 1239, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression_1239", message: "Unable to resolve signature of parameter decorator when called as an expression." }, + Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression: { code: 1240, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression_1240", message: "Unable to resolve signature of property decorator when called as an expression." }, + Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression: { code: 1241, category: ts.DiagnosticCategory.Error, key: "Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression_1241", message: "Unable to resolve signature of method decorator when called as an expression." }, + abstract_modifier_can_only_appear_on_a_class_or_method_declaration: { code: 1242, category: ts.DiagnosticCategory.Error, key: "abstract_modifier_can_only_appear_on_a_class_or_method_declaration_1242", message: "'abstract' modifier can only appear on a class or method declaration." }, + _0_modifier_cannot_be_used_with_1_modifier: { code: 1243, category: ts.DiagnosticCategory.Error, key: "_0_modifier_cannot_be_used_with_1_modifier_1243", message: "'{0}' modifier cannot be used with '{1}' modifier." }, + Abstract_methods_can_only_appear_within_an_abstract_class: { code: 1244, category: ts.DiagnosticCategory.Error, key: "Abstract_methods_can_only_appear_within_an_abstract_class_1244", message: "Abstract methods can only appear within an abstract class." }, + Method_0_cannot_have_an_implementation_because_it_is_marked_abstract: { code: 1245, category: ts.DiagnosticCategory.Error, key: "Method_0_cannot_have_an_implementation_because_it_is_marked_abstract_1245", message: "Method '{0}' cannot have an implementation because it is marked abstract." }, + An_interface_property_cannot_have_an_initializer: { code: 1246, category: ts.DiagnosticCategory.Error, key: "An_interface_property_cannot_have_an_initializer_1246", message: "An interface property cannot have an initializer." }, + A_type_literal_property_cannot_have_an_initializer: { code: 1247, category: ts.DiagnosticCategory.Error, key: "A_type_literal_property_cannot_have_an_initializer_1247", message: "A type literal property cannot have an initializer." }, + A_class_member_cannot_have_the_0_keyword: { code: 1248, category: ts.DiagnosticCategory.Error, key: "A_class_member_cannot_have_the_0_keyword_1248", message: "A class member cannot have the '{0}' keyword." }, + A_decorator_can_only_decorate_a_method_implementation_not_an_overload: { code: 1249, category: ts.DiagnosticCategory.Error, key: "A_decorator_can_only_decorate_a_method_implementation_not_an_overload_1249", message: "A decorator can only decorate a method implementation, not an overload." }, + with_statements_are_not_allowed_in_an_async_function_block: { code: 1300, category: ts.DiagnosticCategory.Error, key: "with_statements_are_not_allowed_in_an_async_function_block_1300", message: "'with' statements are not allowed in an async function block." }, + await_expression_is_only_allowed_within_an_async_function: { code: 1308, category: ts.DiagnosticCategory.Error, key: "await_expression_is_only_allowed_within_an_async_function_1308", message: "'await' expression is only allowed within an async function." }, + Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher: { code: 1311, category: ts.DiagnosticCategory.Error, key: "Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher_1311", message: "Async functions are only available when targeting ECMAScript 6 and higher." }, + can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment: { code: 1312, category: ts.DiagnosticCategory.Error, key: "can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment_1312", message: "'=' can only be used in an object literal property inside a destructuring assignment." }, + The_body_of_an_if_statement_cannot_be_the_empty_statement: { code: 1313, category: ts.DiagnosticCategory.Error, key: "The_body_of_an_if_statement_cannot_be_the_empty_statement_1313", message: "The body of an 'if' statement cannot be the empty statement." }, + Duplicate_identifier_0: { code: 2300, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_2300", message: "Duplicate identifier '{0}'." }, + Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor: { code: 2301, category: ts.DiagnosticCategory.Error, key: "Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor_2301", message: "Initializer of instance member variable '{0}' cannot reference identifier '{1}' declared in the constructor." }, + Static_members_cannot_reference_class_type_parameters: { code: 2302, category: ts.DiagnosticCategory.Error, key: "Static_members_cannot_reference_class_type_parameters_2302", message: "Static members cannot reference class type parameters." }, + Circular_definition_of_import_alias_0: { code: 2303, category: ts.DiagnosticCategory.Error, key: "Circular_definition_of_import_alias_0_2303", message: "Circular definition of import alias '{0}'." }, + Cannot_find_name_0: { code: 2304, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_2304", message: "Cannot find name '{0}'." }, + Module_0_has_no_exported_member_1: { code: 2305, category: ts.DiagnosticCategory.Error, key: "Module_0_has_no_exported_member_1_2305", message: "Module '{0}' has no exported member '{1}'." }, + File_0_is_not_a_module: { code: 2306, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_a_module_2306", message: "File '{0}' is not a module." }, + Cannot_find_module_0: { code: 2307, category: ts.DiagnosticCategory.Error, key: "Cannot_find_module_0_2307", message: "Cannot find module '{0}'." }, + Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity: { code: 2308, category: ts.DiagnosticCategory.Error, key: "Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambig_2308", message: "Module {0} has already exported a member named '{1}'. Consider explicitly re-exporting to resolve the ambiguity." }, + An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements: { code: 2309, category: ts.DiagnosticCategory.Error, key: "An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements_2309", message: "An export assignment cannot be used in a module with other exported elements." }, + Type_0_recursively_references_itself_as_a_base_type: { code: 2310, category: ts.DiagnosticCategory.Error, key: "Type_0_recursively_references_itself_as_a_base_type_2310", message: "Type '{0}' recursively references itself as a base type." }, + A_class_may_only_extend_another_class: { code: 2311, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_extend_another_class_2311", message: "A class may only extend another class." }, + An_interface_may_only_extend_a_class_or_another_interface: { code: 2312, category: ts.DiagnosticCategory.Error, key: "An_interface_may_only_extend_a_class_or_another_interface_2312", message: "An interface may only extend a class or another interface." }, + Type_parameter_0_has_a_circular_constraint: { code: 2313, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_has_a_circular_constraint_2313", message: "Type parameter '{0}' has a circular constraint." }, + Generic_type_0_requires_1_type_argument_s: { code: 2314, category: ts.DiagnosticCategory.Error, key: "Generic_type_0_requires_1_type_argument_s_2314", message: "Generic type '{0}' requires {1} type argument(s)." }, + Type_0_is_not_generic: { code: 2315, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_generic_2315", message: "Type '{0}' is not generic." }, + Global_type_0_must_be_a_class_or_interface_type: { code: 2316, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_be_a_class_or_interface_type_2316", message: "Global type '{0}' must be a class or interface type." }, + Global_type_0_must_have_1_type_parameter_s: { code: 2317, category: ts.DiagnosticCategory.Error, key: "Global_type_0_must_have_1_type_parameter_s_2317", message: "Global type '{0}' must have {1} type parameter(s)." }, + Cannot_find_global_type_0: { code: 2318, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_type_0_2318", message: "Cannot find global type '{0}'." }, + Named_property_0_of_types_1_and_2_are_not_identical: { code: 2319, category: ts.DiagnosticCategory.Error, key: "Named_property_0_of_types_1_and_2_are_not_identical_2319", message: "Named property '{0}' of types '{1}' and '{2}' are not identical." }, + Interface_0_cannot_simultaneously_extend_types_1_and_2: { code: 2320, category: ts.DiagnosticCategory.Error, key: "Interface_0_cannot_simultaneously_extend_types_1_and_2_2320", message: "Interface '{0}' cannot simultaneously extend types '{1}' and '{2}'." }, + Excessive_stack_depth_comparing_types_0_and_1: { code: 2321, category: ts.DiagnosticCategory.Error, key: "Excessive_stack_depth_comparing_types_0_and_1_2321", message: "Excessive stack depth comparing types '{0}' and '{1}'." }, + Type_0_is_not_assignable_to_type_1: { code: 2322, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_assignable_to_type_1_2322", message: "Type '{0}' is not assignable to type '{1}'." }, + Cannot_redeclare_exported_variable_0: { code: 2323, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_exported_variable_0_2323", message: "Cannot redeclare exported variable '{0}'." }, + Property_0_is_missing_in_type_1: { code: 2324, category: ts.DiagnosticCategory.Error, key: "Property_0_is_missing_in_type_1_2324", message: "Property '{0}' is missing in type '{1}'." }, + Property_0_is_private_in_type_1_but_not_in_type_2: { code: 2325, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_in_type_1_but_not_in_type_2_2325", message: "Property '{0}' is private in type '{1}' but not in type '{2}'." }, + Types_of_property_0_are_incompatible: { code: 2326, category: ts.DiagnosticCategory.Error, key: "Types_of_property_0_are_incompatible_2326", message: "Types of property '{0}' are incompatible." }, + Property_0_is_optional_in_type_1_but_required_in_type_2: { code: 2327, category: ts.DiagnosticCategory.Error, key: "Property_0_is_optional_in_type_1_but_required_in_type_2_2327", message: "Property '{0}' is optional in type '{1}' but required in type '{2}'." }, + Types_of_parameters_0_and_1_are_incompatible: { code: 2328, category: ts.DiagnosticCategory.Error, key: "Types_of_parameters_0_and_1_are_incompatible_2328", message: "Types of parameters '{0}' and '{1}' are incompatible." }, + Index_signature_is_missing_in_type_0: { code: 2329, category: ts.DiagnosticCategory.Error, key: "Index_signature_is_missing_in_type_0_2329", message: "Index signature is missing in type '{0}'." }, + Index_signatures_are_incompatible: { code: 2330, category: ts.DiagnosticCategory.Error, key: "Index_signatures_are_incompatible_2330", message: "Index signatures are incompatible." }, + this_cannot_be_referenced_in_a_module_or_namespace_body: { code: 2331, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_module_or_namespace_body_2331", message: "'this' cannot be referenced in a module or namespace body." }, + this_cannot_be_referenced_in_current_location: { code: 2332, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_current_location_2332", message: "'this' cannot be referenced in current location." }, + this_cannot_be_referenced_in_constructor_arguments: { code: 2333, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_constructor_arguments_2333", message: "'this' cannot be referenced in constructor arguments." }, + this_cannot_be_referenced_in_a_static_property_initializer: { code: 2334, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_static_property_initializer_2334", message: "'this' cannot be referenced in a static property initializer." }, + super_can_only_be_referenced_in_a_derived_class: { code: 2335, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_a_derived_class_2335", message: "'super' can only be referenced in a derived class." }, + super_cannot_be_referenced_in_constructor_arguments: { code: 2336, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_constructor_arguments_2336", message: "'super' cannot be referenced in constructor arguments." }, + Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors: { code: 2337, category: ts.DiagnosticCategory.Error, key: "Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors_2337", message: "Super calls are not permitted outside constructors or in nested functions inside constructors." }, + super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class: { code: 2338, category: ts.DiagnosticCategory.Error, key: "super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_der_2338", message: "'super' property access is permitted only in a constructor, member function, or member accessor of a derived class." }, + Property_0_does_not_exist_on_type_1: { code: 2339, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_type_1_2339", message: "Property '{0}' does not exist on type '{1}'." }, + Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword: { code: 2340, category: ts.DiagnosticCategory.Error, key: "Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword_2340", message: "Only public and protected methods of the base class are accessible via the 'super' keyword." }, + Property_0_is_private_and_only_accessible_within_class_1: { code: 2341, category: ts.DiagnosticCategory.Error, key: "Property_0_is_private_and_only_accessible_within_class_1_2341", message: "Property '{0}' is private and only accessible within class '{1}'." }, + An_index_expression_argument_must_be_of_type_string_number_symbol_or_any: { code: 2342, category: ts.DiagnosticCategory.Error, key: "An_index_expression_argument_must_be_of_type_string_number_symbol_or_any_2342", message: "An index expression argument must be of type 'string', 'number', 'symbol', or 'any'." }, + Type_0_does_not_satisfy_the_constraint_1: { code: 2344, category: ts.DiagnosticCategory.Error, key: "Type_0_does_not_satisfy_the_constraint_1_2344", message: "Type '{0}' does not satisfy the constraint '{1}'." }, + Argument_of_type_0_is_not_assignable_to_parameter_of_type_1: { code: 2345, category: ts.DiagnosticCategory.Error, key: "Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_2345", message: "Argument of type '{0}' is not assignable to parameter of type '{1}'." }, + Supplied_parameters_do_not_match_any_signature_of_call_target: { code: 2346, category: ts.DiagnosticCategory.Error, key: "Supplied_parameters_do_not_match_any_signature_of_call_target_2346", message: "Supplied parameters do not match any signature of call target." }, + Untyped_function_calls_may_not_accept_type_arguments: { code: 2347, category: ts.DiagnosticCategory.Error, key: "Untyped_function_calls_may_not_accept_type_arguments_2347", message: "Untyped function calls may not accept type arguments." }, + Value_of_type_0_is_not_callable_Did_you_mean_to_include_new: { code: 2348, category: ts.DiagnosticCategory.Error, key: "Value_of_type_0_is_not_callable_Did_you_mean_to_include_new_2348", message: "Value of type '{0}' is not callable. Did you mean to include 'new'?" }, + Cannot_invoke_an_expression_whose_type_lacks_a_call_signature: { code: 2349, category: ts.DiagnosticCategory.Error, key: "Cannot_invoke_an_expression_whose_type_lacks_a_call_signature_2349", message: "Cannot invoke an expression whose type lacks a call signature." }, + Only_a_void_function_can_be_called_with_the_new_keyword: { code: 2350, category: ts.DiagnosticCategory.Error, key: "Only_a_void_function_can_be_called_with_the_new_keyword_2350", message: "Only a void function can be called with the 'new' keyword." }, + Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature: { code: 2351, category: ts.DiagnosticCategory.Error, key: "Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature_2351", message: "Cannot use 'new' with an expression whose type lacks a call or construct signature." }, + Neither_type_0_nor_type_1_is_assignable_to_the_other: { code: 2352, category: ts.DiagnosticCategory.Error, key: "Neither_type_0_nor_type_1_is_assignable_to_the_other_2352", message: "Neither type '{0}' nor type '{1}' is assignable to the other." }, + Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1: { code: 2353, category: ts.DiagnosticCategory.Error, key: "Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1_2353", message: "Object literal may only specify known properties, and '{0}' does not exist in type '{1}'." }, + No_best_common_type_exists_among_return_expressions: { code: 2354, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_return_expressions_2354", message: "No best common type exists among return expressions." }, + A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value: { code: 2355, category: ts.DiagnosticCategory.Error, key: "A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value_2355", message: "A function whose declared type is neither 'void' nor 'any' must return a value." }, + An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type: { code: 2356, category: ts.DiagnosticCategory.Error, key: "An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type_2356", message: "An arithmetic operand must be of type 'any', 'number' or an enum type." }, + The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer: { code: 2357, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer_2357", message: "The operand of an increment or decrement operator must be a variable, property or indexer." }, + The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2358, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_paramete_2358", message: "The left-hand side of an 'instanceof' expression must be of type 'any', an object type or a type parameter." }, + The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type: { code: 2359, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_F_2359", message: "The right-hand side of an 'instanceof' expression must be of type 'any' or of a type assignable to the 'Function' interface type." }, + The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol: { code: 2360, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol_2360", message: "The left-hand side of an 'in' expression must be of type 'any', 'string', 'number', or 'symbol'." }, + The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2361, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter_2361", message: "The right-hand side of an 'in' expression must be of type 'any', an object type or a type parameter" }, + The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2362, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2362", message: "The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type: { code: 2363, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type_2363", message: "The right-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type." }, + Invalid_left_hand_side_of_assignment_expression: { code: 2364, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_of_assignment_expression_2364", message: "Invalid left-hand side of assignment expression." }, + Operator_0_cannot_be_applied_to_types_1_and_2: { code: 2365, category: ts.DiagnosticCategory.Error, key: "Operator_0_cannot_be_applied_to_types_1_and_2_2365", message: "Operator '{0}' cannot be applied to types '{1}' and '{2}'." }, + Type_parameter_name_cannot_be_0: { code: 2368, category: ts.DiagnosticCategory.Error, key: "Type_parameter_name_cannot_be_0_2368", message: "Type parameter name cannot be '{0}'" }, + A_parameter_property_is_only_allowed_in_a_constructor_implementation: { code: 2369, category: ts.DiagnosticCategory.Error, key: "A_parameter_property_is_only_allowed_in_a_constructor_implementation_2369", message: "A parameter property is only allowed in a constructor implementation." }, + A_rest_parameter_must_be_of_an_array_type: { code: 2370, category: ts.DiagnosticCategory.Error, key: "A_rest_parameter_must_be_of_an_array_type_2370", message: "A rest parameter must be of an array type." }, + A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation: { code: 2371, category: ts.DiagnosticCategory.Error, key: "A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation_2371", message: "A parameter initializer is only allowed in a function or constructor implementation." }, + Parameter_0_cannot_be_referenced_in_its_initializer: { code: 2372, category: ts.DiagnosticCategory.Error, key: "Parameter_0_cannot_be_referenced_in_its_initializer_2372", message: "Parameter '{0}' cannot be referenced in its initializer." }, + Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it: { code: 2373, category: ts.DiagnosticCategory.Error, key: "Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it_2373", message: "Initializer of parameter '{0}' cannot reference identifier '{1}' declared after it." }, + Duplicate_string_index_signature: { code: 2374, category: ts.DiagnosticCategory.Error, key: "Duplicate_string_index_signature_2374", message: "Duplicate string index signature." }, + Duplicate_number_index_signature: { code: 2375, category: ts.DiagnosticCategory.Error, key: "Duplicate_number_index_signature_2375", message: "Duplicate number index signature." }, + A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties: { code: 2376, category: ts.DiagnosticCategory.Error, key: "A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_proper_2376", message: "A 'super' call must be the first statement in the constructor when a class contains initialized properties or has parameter properties." }, + Constructors_for_derived_classes_must_contain_a_super_call: { code: 2377, category: ts.DiagnosticCategory.Error, key: "Constructors_for_derived_classes_must_contain_a_super_call_2377", message: "Constructors for derived classes must contain a 'super' call." }, + A_get_accessor_must_return_a_value: { code: 2378, category: ts.DiagnosticCategory.Error, key: "A_get_accessor_must_return_a_value_2378", message: "A 'get' accessor must return a value." }, + Getter_and_setter_accessors_do_not_agree_in_visibility: { code: 2379, category: ts.DiagnosticCategory.Error, key: "Getter_and_setter_accessors_do_not_agree_in_visibility_2379", message: "Getter and setter accessors do not agree in visibility." }, + get_and_set_accessor_must_have_the_same_type: { code: 2380, category: ts.DiagnosticCategory.Error, key: "get_and_set_accessor_must_have_the_same_type_2380", message: "'get' and 'set' accessor must have the same type." }, + A_signature_with_an_implementation_cannot_use_a_string_literal_type: { code: 2381, category: ts.DiagnosticCategory.Error, key: "A_signature_with_an_implementation_cannot_use_a_string_literal_type_2381", message: "A signature with an implementation cannot use a string literal type." }, + Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature: { code: 2382, category: ts.DiagnosticCategory.Error, key: "Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature_2382", message: "Specialized overload signature is not assignable to any non-specialized signature." }, + Overload_signatures_must_all_be_exported_or_not_exported: { code: 2383, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_exported_or_not_exported_2383", message: "Overload signatures must all be exported or not exported." }, + Overload_signatures_must_all_be_ambient_or_non_ambient: { code: 2384, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_ambient_or_non_ambient_2384", message: "Overload signatures must all be ambient or non-ambient." }, + Overload_signatures_must_all_be_public_private_or_protected: { code: 2385, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_public_private_or_protected_2385", message: "Overload signatures must all be public, private or protected." }, + Overload_signatures_must_all_be_optional_or_required: { code: 2386, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_optional_or_required_2386", message: "Overload signatures must all be optional or required." }, + Function_overload_must_be_static: { code: 2387, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_be_static_2387", message: "Function overload must be static." }, + Function_overload_must_not_be_static: { code: 2388, category: ts.DiagnosticCategory.Error, key: "Function_overload_must_not_be_static_2388", message: "Function overload must not be static." }, + Function_implementation_name_must_be_0: { code: 2389, category: ts.DiagnosticCategory.Error, key: "Function_implementation_name_must_be_0_2389", message: "Function implementation name must be '{0}'." }, + Constructor_implementation_is_missing: { code: 2390, category: ts.DiagnosticCategory.Error, key: "Constructor_implementation_is_missing_2390", message: "Constructor implementation is missing." }, + Function_implementation_is_missing_or_not_immediately_following_the_declaration: { code: 2391, category: ts.DiagnosticCategory.Error, key: "Function_implementation_is_missing_or_not_immediately_following_the_declaration_2391", message: "Function implementation is missing or not immediately following the declaration." }, + Multiple_constructor_implementations_are_not_allowed: { code: 2392, category: ts.DiagnosticCategory.Error, key: "Multiple_constructor_implementations_are_not_allowed_2392", message: "Multiple constructor implementations are not allowed." }, + Duplicate_function_implementation: { code: 2393, category: ts.DiagnosticCategory.Error, key: "Duplicate_function_implementation_2393", message: "Duplicate function implementation." }, + Overload_signature_is_not_compatible_with_function_implementation: { code: 2394, category: ts.DiagnosticCategory.Error, key: "Overload_signature_is_not_compatible_with_function_implementation_2394", message: "Overload signature is not compatible with function implementation." }, + Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local: { code: 2395, category: ts.DiagnosticCategory.Error, key: "Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local_2395", message: "Individual declarations in merged declaration '{0}' must be all exported or all local." }, + Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters: { code: 2396, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters_2396", message: "Duplicate identifier 'arguments'. Compiler uses 'arguments' to initialize rest parameters." }, + Declaration_name_conflicts_with_built_in_global_identifier_0: { code: 2397, category: ts.DiagnosticCategory.Error, key: "Declaration_name_conflicts_with_built_in_global_identifier_0_2397", message: "Declaration name conflicts with built-in global identifier '{0}'." }, + Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference: { code: 2399, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference_2399", message: "Duplicate identifier '_this'. Compiler uses variable declaration '_this' to capture 'this' reference." }, + Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference: { code: 2400, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference_2400", message: "Expression resolves to variable declaration '_this' that compiler uses to capture 'this' reference." }, + Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference: { code: 2401, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference_2401", message: "Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference." }, + Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference: { code: 2402, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference_2402", message: "Expression resolves to '_super' that compiler uses to capture base class reference." }, + Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2: { code: 2403, category: ts.DiagnosticCategory.Error, key: "Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_t_2403", message: "Subsequent variable declarations must have the same type. Variable '{0}' must be of type '{1}', but here has type '{2}'." }, + The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation: { code: 2404, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation_2404", message: "The left-hand side of a 'for...in' statement cannot use a type annotation." }, + The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any: { code: 2405, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any_2405", message: "The left-hand side of a 'for...in' statement must be of type 'string' or 'any'." }, + Invalid_left_hand_side_in_for_in_statement: { code: 2406, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_in_statement_2406", message: "Invalid left-hand side in 'for...in' statement." }, + The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter: { code: 2407, category: ts.DiagnosticCategory.Error, key: "The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter_2407", message: "The right-hand side of a 'for...in' statement must be of type 'any', an object type or a type parameter." }, + Setters_cannot_return_a_value: { code: 2408, category: ts.DiagnosticCategory.Error, key: "Setters_cannot_return_a_value_2408", message: "Setters cannot return a value." }, + Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class: { code: 2409, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class_2409", message: "Return type of constructor signature must be assignable to the instance type of the class" }, + All_symbols_within_a_with_block_will_be_resolved_to_any: { code: 2410, category: ts.DiagnosticCategory.Error, key: "All_symbols_within_a_with_block_will_be_resolved_to_any_2410", message: "All symbols within a 'with' block will be resolved to 'any'." }, + Property_0_of_type_1_is_not_assignable_to_string_index_type_2: { code: 2411, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_string_index_type_2_2411", message: "Property '{0}' of type '{1}' is not assignable to string index type '{2}'." }, + Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2: { code: 2412, category: ts.DiagnosticCategory.Error, key: "Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2_2412", message: "Property '{0}' of type '{1}' is not assignable to numeric index type '{2}'." }, + Numeric_index_type_0_is_not_assignable_to_string_index_type_1: { code: 2413, category: ts.DiagnosticCategory.Error, key: "Numeric_index_type_0_is_not_assignable_to_string_index_type_1_2413", message: "Numeric index type '{0}' is not assignable to string index type '{1}'." }, + Class_name_cannot_be_0: { code: 2414, category: ts.DiagnosticCategory.Error, key: "Class_name_cannot_be_0_2414", message: "Class name cannot be '{0}'" }, + Class_0_incorrectly_extends_base_class_1: { code: 2415, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_extends_base_class_1_2415", message: "Class '{0}' incorrectly extends base class '{1}'." }, + Class_static_side_0_incorrectly_extends_base_class_static_side_1: { code: 2417, category: ts.DiagnosticCategory.Error, key: "Class_static_side_0_incorrectly_extends_base_class_static_side_1_2417", message: "Class static side '{0}' incorrectly extends base class static side '{1}'." }, + Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0: { code: 2419, category: ts.DiagnosticCategory.Error, key: "Type_name_0_in_extends_clause_does_not_reference_constructor_function_for_0_2419", message: "Type name '{0}' in extends clause does not reference constructor function for '{0}'." }, + Class_0_incorrectly_implements_interface_1: { code: 2420, category: ts.DiagnosticCategory.Error, key: "Class_0_incorrectly_implements_interface_1_2420", message: "Class '{0}' incorrectly implements interface '{1}'." }, + A_class_may_only_implement_another_class_or_interface: { code: 2422, category: ts.DiagnosticCategory.Error, key: "A_class_may_only_implement_another_class_or_interface_2422", message: "A class may only implement another class or interface." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor: { code: 2423, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_access_2423", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member accessor." }, + Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property: { code: 2424, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_proper_2424", message: "Class '{0}' defines instance member function '{1}', but extended class '{2}' defines it as instance member property." }, + Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2425, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_functi_2425", message: "Class '{0}' defines instance member property '{1}', but extended class '{2}' defines it as instance member function." }, + Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function: { code: 2426, category: ts.DiagnosticCategory.Error, key: "Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_functi_2426", message: "Class '{0}' defines instance member accessor '{1}', but extended class '{2}' defines it as instance member function." }, + Interface_name_cannot_be_0: { code: 2427, category: ts.DiagnosticCategory.Error, key: "Interface_name_cannot_be_0_2427", message: "Interface name cannot be '{0}'" }, + All_declarations_of_an_interface_must_have_identical_type_parameters: { code: 2428, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_interface_must_have_identical_type_parameters_2428", message: "All declarations of an interface must have identical type parameters." }, + Interface_0_incorrectly_extends_interface_1: { code: 2430, category: ts.DiagnosticCategory.Error, key: "Interface_0_incorrectly_extends_interface_1_2430", message: "Interface '{0}' incorrectly extends interface '{1}'." }, + Enum_name_cannot_be_0: { code: 2431, category: ts.DiagnosticCategory.Error, key: "Enum_name_cannot_be_0_2431", message: "Enum name cannot be '{0}'" }, + In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element: { code: 2432, category: ts.DiagnosticCategory.Error, key: "In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enu_2432", message: "In an enum with multiple declarations, only one declaration can omit an initializer for its first enum element." }, + A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged: { code: 2433, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merg_2433", message: "A namespace declaration cannot be in a different file from a class or function with which it is merged" }, + A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged: { code: 2434, category: ts.DiagnosticCategory.Error, key: "A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged_2434", message: "A namespace declaration cannot be located prior to a class or function with which it is merged" }, + Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces: { code: 2435, category: ts.DiagnosticCategory.Error, key: "Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces_2435", message: "Ambient modules cannot be nested in other modules or namespaces." }, + Ambient_module_declaration_cannot_specify_relative_module_name: { code: 2436, category: ts.DiagnosticCategory.Error, key: "Ambient_module_declaration_cannot_specify_relative_module_name_2436", message: "Ambient module declaration cannot specify relative module name." }, + Module_0_is_hidden_by_a_local_declaration_with_the_same_name: { code: 2437, category: ts.DiagnosticCategory.Error, key: "Module_0_is_hidden_by_a_local_declaration_with_the_same_name_2437", message: "Module '{0}' is hidden by a local declaration with the same name" }, + Import_name_cannot_be_0: { code: 2438, category: ts.DiagnosticCategory.Error, key: "Import_name_cannot_be_0_2438", message: "Import name cannot be '{0}'" }, + Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name: { code: 2439, category: ts.DiagnosticCategory.Error, key: "Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relati_2439", message: "Import or export declaration in an ambient module declaration cannot reference module through relative module name." }, + Import_declaration_conflicts_with_local_declaration_of_0: { code: 2440, category: ts.DiagnosticCategory.Error, key: "Import_declaration_conflicts_with_local_declaration_of_0_2440", message: "Import declaration conflicts with local declaration of '{0}'" }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module: { code: 2441, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_2441", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module." }, + Types_have_separate_declarations_of_a_private_property_0: { code: 2442, category: ts.DiagnosticCategory.Error, key: "Types_have_separate_declarations_of_a_private_property_0_2442", message: "Types have separate declarations of a private property '{0}'." }, + Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2: { code: 2443, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2_2443", message: "Property '{0}' is protected but type '{1}' is not a class derived from '{2}'." }, + Property_0_is_protected_in_type_1_but_public_in_type_2: { code: 2444, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_in_type_1_but_public_in_type_2_2444", message: "Property '{0}' is protected in type '{1}' but public in type '{2}'." }, + Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses: { code: 2445, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses_2445", message: "Property '{0}' is protected and only accessible within class '{1}' and its subclasses." }, + Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1: { code: 2446, category: ts.DiagnosticCategory.Error, key: "Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1_2446", message: "Property '{0}' is protected and only accessible through an instance of class '{1}'." }, + The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead: { code: 2447, category: ts.DiagnosticCategory.Error, key: "The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead_2447", message: "The '{0}' operator is not allowed for boolean types. Consider using '{1}' instead." }, + Block_scoped_variable_0_used_before_its_declaration: { code: 2448, category: ts.DiagnosticCategory.Error, key: "Block_scoped_variable_0_used_before_its_declaration_2448", message: "Block-scoped variable '{0}' used before its declaration." }, + The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant: { code: 2449, category: ts.DiagnosticCategory.Error, key: "The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant_2449", message: "The operand of an increment or decrement operator cannot be a constant." }, + Left_hand_side_of_assignment_expression_cannot_be_a_constant: { code: 2450, category: ts.DiagnosticCategory.Error, key: "Left_hand_side_of_assignment_expression_cannot_be_a_constant_2450", message: "Left-hand side of assignment expression cannot be a constant." }, + Cannot_redeclare_block_scoped_variable_0: { code: 2451, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_block_scoped_variable_0_2451", message: "Cannot redeclare block-scoped variable '{0}'." }, + An_enum_member_cannot_have_a_numeric_name: { code: 2452, category: ts.DiagnosticCategory.Error, key: "An_enum_member_cannot_have_a_numeric_name_2452", message: "An enum member cannot have a numeric name." }, + The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly: { code: 2453, category: ts.DiagnosticCategory.Error, key: "The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_typ_2453", message: "The type argument for type parameter '{0}' cannot be inferred from the usage. Consider specifying the type arguments explicitly." }, + Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0: { code: 2455, category: ts.DiagnosticCategory.Error, key: "Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0_2455", message: "Type argument candidate '{1}' is not a valid type argument because it is not a supertype of candidate '{0}'." }, + Type_alias_0_circularly_references_itself: { code: 2456, category: ts.DiagnosticCategory.Error, key: "Type_alias_0_circularly_references_itself_2456", message: "Type alias '{0}' circularly references itself." }, + Type_alias_name_cannot_be_0: { code: 2457, category: ts.DiagnosticCategory.Error, key: "Type_alias_name_cannot_be_0_2457", message: "Type alias name cannot be '{0}'" }, + An_AMD_module_cannot_have_multiple_name_assignments: { code: 2458, category: ts.DiagnosticCategory.Error, key: "An_AMD_module_cannot_have_multiple_name_assignments_2458", message: "An AMD module cannot have multiple name assignments." }, + Type_0_has_no_property_1_and_no_string_index_signature: { code: 2459, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_and_no_string_index_signature_2459", message: "Type '{0}' has no property '{1}' and no string index signature." }, + Type_0_has_no_property_1: { code: 2460, category: ts.DiagnosticCategory.Error, key: "Type_0_has_no_property_1_2460", message: "Type '{0}' has no property '{1}'." }, + Type_0_is_not_an_array_type: { code: 2461, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_2461", message: "Type '{0}' is not an array type." }, + A_rest_element_must_be_last_in_an_array_destructuring_pattern: { code: 2462, category: ts.DiagnosticCategory.Error, key: "A_rest_element_must_be_last_in_an_array_destructuring_pattern_2462", message: "A rest element must be last in an array destructuring pattern" }, + A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature: { code: 2463, category: ts.DiagnosticCategory.Error, key: "A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature_2463", message: "A binding pattern parameter cannot be optional in an implementation signature." }, + A_computed_property_name_must_be_of_type_string_number_symbol_or_any: { code: 2464, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_must_be_of_type_string_number_symbol_or_any_2464", message: "A computed property name must be of type 'string', 'number', 'symbol', or 'any'." }, + this_cannot_be_referenced_in_a_computed_property_name: { code: 2465, category: ts.DiagnosticCategory.Error, key: "this_cannot_be_referenced_in_a_computed_property_name_2465", message: "'this' cannot be referenced in a computed property name." }, + super_cannot_be_referenced_in_a_computed_property_name: { code: 2466, category: ts.DiagnosticCategory.Error, key: "super_cannot_be_referenced_in_a_computed_property_name_2466", message: "'super' cannot be referenced in a computed property name." }, + A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type: { code: 2467, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type_2467", message: "A computed property name cannot reference a type parameter from its containing type." }, + Cannot_find_global_value_0: { code: 2468, category: ts.DiagnosticCategory.Error, key: "Cannot_find_global_value_0_2468", message: "Cannot find global value '{0}'." }, + The_0_operator_cannot_be_applied_to_type_symbol: { code: 2469, category: ts.DiagnosticCategory.Error, key: "The_0_operator_cannot_be_applied_to_type_symbol_2469", message: "The '{0}' operator cannot be applied to type 'symbol'." }, + Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object: { code: 2470, category: ts.DiagnosticCategory.Error, key: "Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object_2470", message: "'Symbol' reference does not refer to the global Symbol constructor object." }, + A_computed_property_name_of_the_form_0_must_be_of_type_symbol: { code: 2471, category: ts.DiagnosticCategory.Error, key: "A_computed_property_name_of_the_form_0_must_be_of_type_symbol_2471", message: "A computed property name of the form '{0}' must be of type 'symbol'." }, + Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher: { code: 2472, category: ts.DiagnosticCategory.Error, key: "Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher_2472", message: "Spread operator in 'new' expressions is only available when targeting ECMAScript 5 and higher." }, + Enum_declarations_must_all_be_const_or_non_const: { code: 2473, category: ts.DiagnosticCategory.Error, key: "Enum_declarations_must_all_be_const_or_non_const_2473", message: "Enum declarations must all be const or non-const." }, + In_const_enum_declarations_member_initializer_must_be_constant_expression: { code: 2474, category: ts.DiagnosticCategory.Error, key: "In_const_enum_declarations_member_initializer_must_be_constant_expression_2474", message: "In 'const' enum declarations member initializer must be constant expression." }, + const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment: { code: 2475, category: ts.DiagnosticCategory.Error, key: "const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_im_2475", message: "'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment." }, + A_const_enum_member_can_only_be_accessed_using_a_string_literal: { code: 2476, category: ts.DiagnosticCategory.Error, key: "A_const_enum_member_can_only_be_accessed_using_a_string_literal_2476", message: "A const enum member can only be accessed using a string literal." }, + const_enum_member_initializer_was_evaluated_to_a_non_finite_value: { code: 2477, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_a_non_finite_value_2477", message: "'const' enum member initializer was evaluated to a non-finite value." }, + const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN: { code: 2478, category: ts.DiagnosticCategory.Error, key: "const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN_2478", message: "'const' enum member initializer was evaluated to disallowed value 'NaN'." }, + Property_0_does_not_exist_on_const_enum_1: { code: 2479, category: ts.DiagnosticCategory.Error, key: "Property_0_does_not_exist_on_const_enum_1_2479", message: "Property '{0}' does not exist on 'const' enum '{1}'." }, + let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations: { code: 2480, category: ts.DiagnosticCategory.Error, key: "let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations_2480", message: "'let' is not allowed to be used as a name in 'let' or 'const' declarations." }, + Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1: { code: 2481, category: ts.DiagnosticCategory.Error, key: "Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1_2481", message: "Cannot initialize outer scoped variable '{0}' in the same scope as block scoped declaration '{1}'." }, + The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation: { code: 2483, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation_2483", message: "The left-hand side of a 'for...of' statement cannot use a type annotation." }, + Export_declaration_conflicts_with_exported_declaration_of_0: { code: 2484, category: ts.DiagnosticCategory.Error, key: "Export_declaration_conflicts_with_exported_declaration_of_0_2484", message: "Export declaration conflicts with exported declaration of '{0}'" }, + The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant: { code: 2485, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant_2485", message: "The left-hand side of a 'for...of' statement cannot be a previously defined constant." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant: { code: 2486, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant_2486", message: "The left-hand side of a 'for...in' statement cannot be a previously defined constant." }, + Invalid_left_hand_side_in_for_of_statement: { code: 2487, category: ts.DiagnosticCategory.Error, key: "Invalid_left_hand_side_in_for_of_statement_2487", message: "Invalid left-hand side in 'for...of' statement." }, + Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator: { code: 2488, category: ts.DiagnosticCategory.Error, key: "Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator_2488", message: "Type must have a '[Symbol.iterator]()' method that returns an iterator." }, + An_iterator_must_have_a_next_method: { code: 2489, category: ts.DiagnosticCategory.Error, key: "An_iterator_must_have_a_next_method_2489", message: "An iterator must have a 'next()' method." }, + The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property: { code: 2490, category: ts.DiagnosticCategory.Error, key: "The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property_2490", message: "The type returned by the 'next()' method of an iterator must have a 'value' property." }, + The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern: { code: 2491, category: ts.DiagnosticCategory.Error, key: "The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern_2491", message: "The left-hand side of a 'for...in' statement cannot be a destructuring pattern." }, + Cannot_redeclare_identifier_0_in_catch_clause: { code: 2492, category: ts.DiagnosticCategory.Error, key: "Cannot_redeclare_identifier_0_in_catch_clause_2492", message: "Cannot redeclare identifier '{0}' in catch clause" }, + Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2: { code: 2493, category: ts.DiagnosticCategory.Error, key: "Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2_2493", message: "Tuple type '{0}' with length '{1}' cannot be assigned to tuple with length '{2}'." }, + Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher: { code: 2494, category: ts.DiagnosticCategory.Error, key: "Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher_2494", message: "Using a string in a 'for...of' statement is only supported in ECMAScript 5 and higher." }, + Type_0_is_not_an_array_type_or_a_string_type: { code: 2495, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_an_array_type_or_a_string_type_2495", message: "Type '{0}' is not an array type or a string type." }, + The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression: { code: 2496, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_stand_2496", message: "The 'arguments' object cannot be referenced in an arrow function in ES3 and ES5. Consider using a standard function expression." }, + Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct: { code: 2497, category: ts.DiagnosticCategory.Error, key: "Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct_2497", message: "Module '{0}' resolves to a non-module entity and cannot be imported using this construct." }, + Module_0_uses_export_and_cannot_be_used_with_export_Asterisk: { code: 2498, category: ts.DiagnosticCategory.Error, key: "Module_0_uses_export_and_cannot_be_used_with_export_Asterisk_2498", message: "Module '{0}' uses 'export =' and cannot be used with 'export *'." }, + An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2499, category: ts.DiagnosticCategory.Error, key: "An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments_2499", message: "An interface can only extend an identifier/qualified-name with optional type arguments." }, + A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments: { code: 2500, category: ts.DiagnosticCategory.Error, key: "A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments_2500", message: "A class can only implement an identifier/qualified-name with optional type arguments." }, + A_rest_element_cannot_contain_a_binding_pattern: { code: 2501, category: ts.DiagnosticCategory.Error, key: "A_rest_element_cannot_contain_a_binding_pattern_2501", message: "A rest element cannot contain a binding pattern." }, + _0_is_referenced_directly_or_indirectly_in_its_own_type_annotation: { code: 2502, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_type_annotation_2502", message: "'{0}' is referenced directly or indirectly in its own type annotation." }, + Cannot_find_namespace_0: { code: 2503, category: ts.DiagnosticCategory.Error, key: "Cannot_find_namespace_0_2503", message: "Cannot find namespace '{0}'." }, + No_best_common_type_exists_among_yield_expressions: { code: 2504, category: ts.DiagnosticCategory.Error, key: "No_best_common_type_exists_among_yield_expressions_2504", message: "No best common type exists among yield expressions." }, + A_generator_cannot_have_a_void_type_annotation: { code: 2505, category: ts.DiagnosticCategory.Error, key: "A_generator_cannot_have_a_void_type_annotation_2505", message: "A generator cannot have a 'void' type annotation." }, + _0_is_referenced_directly_or_indirectly_in_its_own_base_expression: { code: 2506, category: ts.DiagnosticCategory.Error, key: "_0_is_referenced_directly_or_indirectly_in_its_own_base_expression_2506", message: "'{0}' is referenced directly or indirectly in its own base expression." }, + Type_0_is_not_a_constructor_function_type: { code: 2507, category: ts.DiagnosticCategory.Error, key: "Type_0_is_not_a_constructor_function_type_2507", message: "Type '{0}' is not a constructor function type." }, + No_base_constructor_has_the_specified_number_of_type_arguments: { code: 2508, category: ts.DiagnosticCategory.Error, key: "No_base_constructor_has_the_specified_number_of_type_arguments_2508", message: "No base constructor has the specified number of type arguments." }, + Base_constructor_return_type_0_is_not_a_class_or_interface_type: { code: 2509, category: ts.DiagnosticCategory.Error, key: "Base_constructor_return_type_0_is_not_a_class_or_interface_type_2509", message: "Base constructor return type '{0}' is not a class or interface type." }, + Base_constructors_must_all_have_the_same_return_type: { code: 2510, category: ts.DiagnosticCategory.Error, key: "Base_constructors_must_all_have_the_same_return_type_2510", message: "Base constructors must all have the same return type." }, + Cannot_create_an_instance_of_the_abstract_class_0: { code: 2511, category: ts.DiagnosticCategory.Error, key: "Cannot_create_an_instance_of_the_abstract_class_0_2511", message: "Cannot create an instance of the abstract class '{0}'." }, + Overload_signatures_must_all_be_abstract_or_not_abstract: { code: 2512, category: ts.DiagnosticCategory.Error, key: "Overload_signatures_must_all_be_abstract_or_not_abstract_2512", message: "Overload signatures must all be abstract or not abstract." }, + Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression: { code: 2513, category: ts.DiagnosticCategory.Error, key: "Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression_2513", message: "Abstract method '{0}' in class '{1}' cannot be accessed via super expression." }, + Classes_containing_abstract_methods_must_be_marked_abstract: { code: 2514, category: ts.DiagnosticCategory.Error, key: "Classes_containing_abstract_methods_must_be_marked_abstract_2514", message: "Classes containing abstract methods must be marked abstract." }, + Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2: { code: 2515, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2_2515", message: "Non-abstract class '{0}' does not implement inherited abstract member '{1}' from class '{2}'." }, + All_declarations_of_an_abstract_method_must_be_consecutive: { code: 2516, category: ts.DiagnosticCategory.Error, key: "All_declarations_of_an_abstract_method_must_be_consecutive_2516", message: "All declarations of an abstract method must be consecutive." }, + Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type: { code: 2517, category: ts.DiagnosticCategory.Error, key: "Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type_2517", message: "Cannot assign an abstract constructor type to a non-abstract constructor type." }, + A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard: { code: 2518, category: ts.DiagnosticCategory.Error, key: "A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard_2518", message: "A 'this'-based type guard is not compatible with a parameter-based type guard." }, + Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions: { code: 2520, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions_2520", message: "Duplicate identifier '{0}'. Compiler uses declaration '{1}' to support async functions." }, + Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions: { code: 2521, category: ts.DiagnosticCategory.Error, key: "Expression_resolves_to_variable_declaration_0_that_compiler_uses_to_support_async_functions_2521", message: "Expression resolves to variable declaration '{0}' that compiler uses to support async functions." }, + The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_function_expression: { code: 2522, category: ts.DiagnosticCategory.Error, key: "The_arguments_object_cannot_be_referenced_in_an_async_arrow_function_Consider_using_a_standard_async_2522", message: "The 'arguments' object cannot be referenced in an async arrow function. Consider using a standard async function expression." }, + yield_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2523, category: ts.DiagnosticCategory.Error, key: "yield_expressions_cannot_be_used_in_a_parameter_initializer_2523", message: "'yield' expressions cannot be used in a parameter initializer." }, + await_expressions_cannot_be_used_in_a_parameter_initializer: { code: 2524, category: ts.DiagnosticCategory.Error, key: "await_expressions_cannot_be_used_in_a_parameter_initializer_2524", message: "'await' expressions cannot be used in a parameter initializer." }, + Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value: { code: 2525, category: ts.DiagnosticCategory.Error, key: "Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value_2525", message: "Initializer provides no value for this binding element and the binding element has no default value." }, + A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface: { code: 2526, category: ts.DiagnosticCategory.Error, key: "A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface_2526", message: "A 'this' type is available only in a non-static member of a class or interface." }, + The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary: { code: 2527, category: ts.DiagnosticCategory.Error, key: "The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary_2527", message: "The inferred type of '{0}' references an inaccessible 'this' type. A type annotation is necessary." }, + A_module_cannot_have_multiple_default_exports: { code: 2528, category: ts.DiagnosticCategory.Error, key: "A_module_cannot_have_multiple_default_exports_2528", message: "A module cannot have multiple default exports." }, + Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions: { code: 2529, category: ts.DiagnosticCategory.Error, key: "Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_func_2529", message: "Duplicate identifier '{0}'. Compiler reserves name '{1}' in top level scope of a module containing async functions." }, + JSX_element_attributes_type_0_may_not_be_a_union_type: { code: 2600, category: ts.DiagnosticCategory.Error, key: "JSX_element_attributes_type_0_may_not_be_a_union_type_2600", message: "JSX element attributes type '{0}' may not be a union type." }, + The_return_type_of_a_JSX_element_constructor_must_return_an_object_type: { code: 2601, category: ts.DiagnosticCategory.Error, key: "The_return_type_of_a_JSX_element_constructor_must_return_an_object_type_2601", message: "The return type of a JSX element constructor must return an object type." }, + JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist: { code: 2602, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist_2602", message: "JSX element implicitly has type 'any' because the global type 'JSX.Element' does not exist." }, + Property_0_in_type_1_is_not_assignable_to_type_2: { code: 2603, category: ts.DiagnosticCategory.Error, key: "Property_0_in_type_1_is_not_assignable_to_type_2_2603", message: "Property '{0}' in type '{1}' is not assignable to type '{2}'" }, + JSX_element_type_0_does_not_have_any_construct_or_call_signatures: { code: 2604, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_does_not_have_any_construct_or_call_signatures_2604", message: "JSX element type '{0}' does not have any construct or call signatures." }, + JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements: { code: 2605, category: ts.DiagnosticCategory.Error, key: "JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements_2605", message: "JSX element type '{0}' is not a constructor function for JSX elements." }, + Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property: { code: 2606, category: ts.DiagnosticCategory.Error, key: "Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property_2606", message: "Property '{0}' of JSX spread attribute is not assignable to target property." }, + JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property: { code: 2607, category: ts.DiagnosticCategory.Error, key: "JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property_2607", message: "JSX element class does not support attributes because it does not have a '{0}' property" }, + The_global_type_JSX_0_may_not_have_more_than_one_property: { code: 2608, category: ts.DiagnosticCategory.Error, key: "The_global_type_JSX_0_may_not_have_more_than_one_property_2608", message: "The global type 'JSX.{0}' may not have more than one property" }, + Cannot_emit_namespaced_JSX_elements_in_React: { code: 2650, category: ts.DiagnosticCategory.Error, key: "Cannot_emit_namespaced_JSX_elements_in_React_2650", message: "Cannot emit namespaced JSX elements in React" }, + A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums: { code: 2651, category: ts.DiagnosticCategory.Error, key: "A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_memb_2651", message: "A member initializer in a enum declaration cannot reference members declared after it, including members defined in other enums." }, + Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead: { code: 2652, category: ts.DiagnosticCategory.Error, key: "Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_d_2652", message: "Merged declaration '{0}' cannot include a default export declaration. Consider adding a separate 'export default {0}' declaration instead." }, + Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1: { code: 2653, category: ts.DiagnosticCategory.Error, key: "Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1_2653", message: "Non-abstract class expression does not implement inherited abstract member '{0}' from class '{1}'." }, + Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition: { code: 2654, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_pack_2654", message: "Exported external package typings file cannot contain tripleslash references. Please contact the package author to update the package definition." }, + Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition: { code: 2656, category: ts.DiagnosticCategory.Error, key: "Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_2656", message: "Exported external package typings file '{0}' is not a module. Please contact the package author to update the package definition." }, + JSX_expressions_must_have_one_parent_element: { code: 2657, category: ts.DiagnosticCategory.Error, key: "JSX_expressions_must_have_one_parent_element_2657", message: "JSX expressions must have one parent element" }, + Type_0_provides_no_match_for_the_signature_1: { code: 2658, category: ts.DiagnosticCategory.Error, key: "Type_0_provides_no_match_for_the_signature_1_2658", message: "Type '{0}' provides no match for the signature '{1}'" }, + super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher: { code: 2659, category: ts.DiagnosticCategory.Error, key: "super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_highe_2659", message: "'super' is only allowed in members of object literal expressions when option 'target' is 'ES2015' or higher." }, + super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions: { code: 2660, category: ts.DiagnosticCategory.Error, key: "super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions_2660", message: "'super' can only be referenced in members of derived classes or object literal expressions." }, + Cannot_re_export_name_that_is_not_defined_in_the_module: { code: 2661, category: ts.DiagnosticCategory.Error, key: "Cannot_re_export_name_that_is_not_defined_in_the_module_2661", message: "Cannot re-export name that is not defined in the module." }, + Cannot_find_name_0_Did_you_mean_the_static_member_1_0: { code: 2662, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_static_member_1_0_2662", message: "Cannot find name '{0}'. Did you mean the static member '{1}.{0}'?" }, + Cannot_find_name_0_Did_you_mean_the_instance_member_this_0: { code: 2663, category: ts.DiagnosticCategory.Error, key: "Cannot_find_name_0_Did_you_mean_the_instance_member_this_0_2663", message: "Cannot find name '{0}'. Did you mean the instance member 'this.{0}'?" }, + Invalid_module_name_in_augmentation_module_0_cannot_be_found: { code: 2664, category: ts.DiagnosticCategory.Error, key: "Invalid_module_name_in_augmentation_module_0_cannot_be_found_2664", message: "Invalid module name in augmentation, module '{0}' cannot be found." }, + Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope: { code: 2665, category: ts.DiagnosticCategory.Error, key: "Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope_2665", message: "Module augmentation cannot introduce new names in the top level scope." }, + Exports_and_export_assignments_are_not_permitted_in_module_augmentations: { code: 2666, category: ts.DiagnosticCategory.Error, key: "Exports_and_export_assignments_are_not_permitted_in_module_augmentations_2666", message: "Exports and export assignments are not permitted in module augmentations." }, + Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module: { code: 2667, category: ts.DiagnosticCategory.Error, key: "Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_mod_2667", message: "Imports are not permitted in module augmentations. Consider moving them to the enclosing external module." }, + export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible: { code: 2668, category: ts.DiagnosticCategory.Error, key: "export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always__2668", message: "'export' modifier cannot be applied to ambient modules and module augmentations since they are always visible." }, + Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations: { code: 2669, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_2669", message: "Augmentations for the global scope can only be directly nested in external modules or ambient module declarations." }, + Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context: { code: 2670, category: ts.DiagnosticCategory.Error, key: "Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambien_2670", message: "Augmentations for the global scope should have 'declare' modifier unless they appear in already ambient context." }, + Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity: { code: 2671, category: ts.DiagnosticCategory.Error, key: "Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity_2671", message: "Cannot augment module '{0}' because it resolves to a non-module entity." }, + Import_declaration_0_is_using_private_name_1: { code: 4000, category: ts.DiagnosticCategory.Error, key: "Import_declaration_0_is_using_private_name_1_4000", message: "Import declaration '{0}' is using private name '{1}'." }, + Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_class_has_or_is_using_private_name_1_4002", message: "Type parameter '{0}' of exported class has or is using private name '{1}'." }, + Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1_4004", message: "Type parameter '{0}' of exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4006, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4006", message: "Type parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4008, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4008", message: "Type parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4010, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4010", message: "Type parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4012, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4012", message: "Type parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4014, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4014", message: "Type parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Type_parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4016, category: ts.DiagnosticCategory.Error, key: "Type_parameter_0_of_exported_function_has_or_is_using_private_name_1_4016", message: "Type parameter '{0}' of exported function has or is using private name '{1}'." }, + Implements_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4019, category: ts.DiagnosticCategory.Error, key: "Implements_clause_of_exported_class_0_has_or_is_using_private_name_1_4019", message: "Implements clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_class_0_has_or_is_using_private_name_1: { code: 4020, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_class_0_has_or_is_using_private_name_1_4020", message: "Extends clause of exported class '{0}' has or is using private name '{1}'." }, + Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1: { code: 4022, category: ts.DiagnosticCategory.Error, key: "Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1_4022", message: "Extends clause of exported interface '{0}' has or is using private name '{1}'." }, + Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4023, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4023", message: "Exported variable '{0}' has or is using name '{1}' from external module {2} but cannot be named." }, + Exported_variable_0_has_or_is_using_name_1_from_private_module_2: { code: 4024, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_name_1_from_private_module_2_4024", message: "Exported variable '{0}' has or is using name '{1}' from private module '{2}'." }, + Exported_variable_0_has_or_is_using_private_name_1: { code: 4025, category: ts.DiagnosticCategory.Error, key: "Exported_variable_0_has_or_is_using_private_name_1_4025", message: "Exported variable '{0}' has or is using private name '{1}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4026, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot__4026", message: "Public static property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4027, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4027", message: "Public static property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_static_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4028, category: ts.DiagnosticCategory.Error, key: "Public_static_property_0_of_exported_class_has_or_is_using_private_name_1_4028", message: "Public static property '{0}' of exported class has or is using private name '{1}'." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4029, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_name_4029", message: "Public property '{0}' of exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4030, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2_4030", message: "Public property '{0}' of exported class has or is using name '{1}' from private module '{2}'." }, + Public_property_0_of_exported_class_has_or_is_using_private_name_1: { code: 4031, category: ts.DiagnosticCategory.Error, key: "Public_property_0_of_exported_class_has_or_is_using_private_name_1_4031", message: "Public property '{0}' of exported class has or is using private name '{1}'." }, + Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4032, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2_4032", message: "Property '{0}' of exported interface has or is using name '{1}' from private module '{2}'." }, + Property_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4033, category: ts.DiagnosticCategory.Error, key: "Property_0_of_exported_interface_has_or_is_using_private_name_1_4033", message: "Property '{0}' of exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4034, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_4034", message: "Parameter '{0}' of public static property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4035, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1_4035", message: "Parameter '{0}' of public static property setter from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4036, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_4036", message: "Parameter '{0}' of public property setter from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1: { code: 4037, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1_4037", message: "Parameter '{0}' of public property setter from exported class has or is using private name '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4038, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_externa_4038", message: "Return type of public static property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4039, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_4039", message: "Return type of public static property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4040, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0_4040", message: "Return type of public static property getter from exported class has or is using private name '{0}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4041, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_modul_4041", message: "Return type of public property getter from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4042, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_4042", message: "Return type of public property getter from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0: { code: 4043, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0_4043", message: "Return type of public property getter from exported class has or is using private name '{0}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4044, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_mod_4044", message: "Return type of constructor signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4045, category: ts.DiagnosticCategory.Error, key: "Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0_4045", message: "Return type of constructor signature from exported interface has or is using private name '{0}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4046, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4046", message: "Return type of call signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4047, category: ts.DiagnosticCategory.Error, key: "Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0_4047", message: "Return type of call signature from exported interface has or is using private name '{0}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4048, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4048", message: "Return type of index signature from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0: { code: 4049, category: ts.DiagnosticCategory.Error, key: "Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0_4049", message: "Return type of index signature from exported interface has or is using private name '{0}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4050, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module__4050", message: "Return type of public static method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4051, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4051", message: "Return type of public static method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0: { code: 4052, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0_4052", message: "Return type of public static method from exported class has or is using private name '{0}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4053, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_c_4053", message: "Return type of public method from exported class has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1: { code: 4054, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1_4054", message: "Return type of public method from exported class has or is using name '{0}' from private module '{1}'." }, + Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0: { code: 4055, category: ts.DiagnosticCategory.Error, key: "Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0_4055", message: "Return type of public method from exported class has or is using private name '{0}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1: { code: 4056, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1_4056", message: "Return type of method from exported interface has or is using name '{0}' from private module '{1}'." }, + Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0: { code: 4057, category: ts.DiagnosticCategory.Error, key: "Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0_4057", message: "Return type of method from exported interface has or is using private name '{0}'." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named: { code: 4058, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named_4058", message: "Return type of exported function has or is using name '{0}' from external module {1} but cannot be named." }, + Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1: { code: 4059, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1_4059", message: "Return type of exported function has or is using name '{0}' from private module '{1}'." }, + Return_type_of_exported_function_has_or_is_using_private_name_0: { code: 4060, category: ts.DiagnosticCategory.Error, key: "Return_type_of_exported_function_has_or_is_using_private_name_0_4060", message: "Return type of exported function has or is using private name '{0}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4061, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_can_4061", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4062, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2_4062", message: "Parameter '{0}' of constructor from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1: { code: 4063, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1_4063", message: "Parameter '{0}' of constructor from exported class has or is using private name '{1}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4064, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_mod_4064", message: "Parameter '{0}' of constructor signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4065, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1_4065", message: "Parameter '{0}' of constructor signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4066, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4066", message: "Parameter '{0}' of call signature from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1: { code: 4067, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1_4067", message: "Parameter '{0}' of call signature from exported interface has or is using private name '{1}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4068, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module__4068", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4069, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4069", message: "Parameter '{0}' of public static method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1: { code: 4070, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1_4070", message: "Parameter '{0}' of public static method from exported class has or is using private name '{1}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4071, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_c_4071", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2: { code: 4072, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2_4072", message: "Parameter '{0}' of public method from exported class has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1: { code: 4073, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1_4073", message: "Parameter '{0}' of public method from exported class has or is using private name '{1}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2: { code: 4074, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2_4074", message: "Parameter '{0}' of method from exported interface has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1: { code: 4075, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1_4075", message: "Parameter '{0}' of method from exported interface has or is using private name '{1}'." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named: { code: 4076, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named_4076", message: "Parameter '{0}' of exported function has or is using name '{1}' from external module {2} but cannot be named." }, + Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2: { code: 4077, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2_4077", message: "Parameter '{0}' of exported function has or is using name '{1}' from private module '{2}'." }, + Parameter_0_of_exported_function_has_or_is_using_private_name_1: { code: 4078, category: ts.DiagnosticCategory.Error, key: "Parameter_0_of_exported_function_has_or_is_using_private_name_1_4078", message: "Parameter '{0}' of exported function has or is using private name '{1}'." }, + Exported_type_alias_0_has_or_is_using_private_name_1: { code: 4081, category: ts.DiagnosticCategory.Error, key: "Exported_type_alias_0_has_or_is_using_private_name_1_4081", message: "Exported type alias '{0}' has or is using private name '{1}'." }, + Default_export_of_the_module_has_or_is_using_private_name_0: { code: 4082, category: ts.DiagnosticCategory.Error, key: "Default_export_of_the_module_has_or_is_using_private_name_0_4082", message: "Default export of the module has or is using private name '{0}'." }, + The_current_host_does_not_support_the_0_option: { code: 5001, category: ts.DiagnosticCategory.Error, key: "The_current_host_does_not_support_the_0_option_5001", message: "The current host does not support the '{0}' option." }, + Cannot_find_the_common_subdirectory_path_for_the_input_files: { code: 5009, category: ts.DiagnosticCategory.Error, key: "Cannot_find_the_common_subdirectory_path_for_the_input_files_5009", message: "Cannot find the common subdirectory path for the input files." }, + Cannot_read_file_0_Colon_1: { code: 5012, category: ts.DiagnosticCategory.Error, key: "Cannot_read_file_0_Colon_1_5012", message: "Cannot read file '{0}': {1}" }, + Unsupported_file_encoding: { code: 5013, category: ts.DiagnosticCategory.Error, key: "Unsupported_file_encoding_5013", message: "Unsupported file encoding." }, + Failed_to_parse_file_0_Colon_1: { code: 5014, category: ts.DiagnosticCategory.Error, key: "Failed_to_parse_file_0_Colon_1_5014", message: "Failed to parse file '{0}': {1}." }, + Unknown_compiler_option_0: { code: 5023, category: ts.DiagnosticCategory.Error, key: "Unknown_compiler_option_0_5023", message: "Unknown compiler option '{0}'." }, + Compiler_option_0_requires_a_value_of_type_1: { code: 5024, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_requires_a_value_of_type_1_5024", message: "Compiler option '{0}' requires a value of type {1}." }, + Could_not_write_file_0_Colon_1: { code: 5033, category: ts.DiagnosticCategory.Error, key: "Could_not_write_file_0_Colon_1_5033", message: "Could not write file '{0}': {1}" }, + Option_project_cannot_be_mixed_with_source_files_on_a_command_line: { code: 5042, category: ts.DiagnosticCategory.Error, key: "Option_project_cannot_be_mixed_with_source_files_on_a_command_line_5042", message: "Option 'project' cannot be mixed with source files on a command line." }, + Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher: { code: 5047, category: ts.DiagnosticCategory.Error, key: "Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES_5047", message: "Option 'isolatedModules' can only be used when either option '--module' is provided or option 'target' is 'ES2015' or higher." }, + Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided: { code: 5051, category: ts.DiagnosticCategory.Error, key: "Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_prov_5051", message: "Option 'inlineSources' can only be used when either option '--inlineSourceMap' or option '--sourceMap' is provided." }, + Option_0_cannot_be_specified_without_specifying_option_1: { code: 5052, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_without_specifying_option_1_5052", message: "Option '{0}' cannot be specified without specifying option '{1}'." }, + Option_0_cannot_be_specified_with_option_1: { code: 5053, category: ts.DiagnosticCategory.Error, key: "Option_0_cannot_be_specified_with_option_1_5053", message: "Option '{0}' cannot be specified with option '{1}'." }, + A_tsconfig_json_file_is_already_defined_at_Colon_0: { code: 5054, category: ts.DiagnosticCategory.Error, key: "A_tsconfig_json_file_is_already_defined_at_Colon_0_5054", message: "A 'tsconfig.json' file is already defined at: '{0}'." }, + Cannot_write_file_0_because_it_would_overwrite_input_file: { code: 5055, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_overwrite_input_file_5055", message: "Cannot write file '{0}' because it would overwrite input file." }, + Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files: { code: 5056, category: ts.DiagnosticCategory.Error, key: "Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files_5056", message: "Cannot write file '{0}' because it would be overwritten by multiple input files." }, + Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0: { code: 5057, category: ts.DiagnosticCategory.Error, key: "Cannot_find_a_tsconfig_json_file_at_the_specified_directory_Colon_0_5057", message: "Cannot find a tsconfig.json file at the specified directory: '{0}'" }, + The_specified_path_does_not_exist_Colon_0: { code: 5058, category: ts.DiagnosticCategory.Error, key: "The_specified_path_does_not_exist_Colon_0_5058", message: "The specified path does not exist: '{0}'" }, + Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier: { code: 5059, category: ts.DiagnosticCategory.Error, key: "Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier_5059", message: "Invalide value for '--reactNamespace'. '{0}' is not a valid identifier." }, + Concatenate_and_emit_output_to_single_file: { code: 6001, category: ts.DiagnosticCategory.Message, key: "Concatenate_and_emit_output_to_single_file_6001", message: "Concatenate and emit output to single file." }, + Generates_corresponding_d_ts_file: { code: 6002, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_d_ts_file_6002", message: "Generates corresponding '.d.ts' file." }, + Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations: { code: 6003, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations_6003", message: "Specifies the location where debugger should locate map files instead of generated locations." }, + Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations: { code: 6004, category: ts.DiagnosticCategory.Message, key: "Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations_6004", message: "Specifies the location where debugger should locate TypeScript files instead of source locations." }, + Watch_input_files: { code: 6005, category: ts.DiagnosticCategory.Message, key: "Watch_input_files_6005", message: "Watch input files." }, + Redirect_output_structure_to_the_directory: { code: 6006, category: ts.DiagnosticCategory.Message, key: "Redirect_output_structure_to_the_directory_6006", message: "Redirect output structure to the directory." }, + Do_not_erase_const_enum_declarations_in_generated_code: { code: 6007, category: ts.DiagnosticCategory.Message, key: "Do_not_erase_const_enum_declarations_in_generated_code_6007", message: "Do not erase const enum declarations in generated code." }, + Do_not_emit_outputs_if_any_errors_were_reported: { code: 6008, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_if_any_errors_were_reported_6008", message: "Do not emit outputs if any errors were reported." }, + Do_not_emit_comments_to_output: { code: 6009, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_comments_to_output_6009", message: "Do not emit comments to output." }, + Do_not_emit_outputs: { code: 6010, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_outputs_6010", message: "Do not emit outputs." }, + Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking: { code: 6011, category: ts.DiagnosticCategory.Message, key: "Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typech_6011", message: "Allow default imports from modules with no default export. This does not affect code emit, just typechecking." }, + Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental: { code: 6015, category: ts.DiagnosticCategory.Message, key: "Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental_6015", message: "Specify ECMAScript target version: 'ES3' (default), 'ES5', or 'ES2015' (experimental)" }, + Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015: { code: 6016, category: ts.DiagnosticCategory.Message, key: "Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015_6016", message: "Specify module code generation: 'commonjs', 'amd', 'system', 'umd' or 'es2015'" }, + Print_this_message: { code: 6017, category: ts.DiagnosticCategory.Message, key: "Print_this_message_6017", message: "Print this message." }, + Print_the_compiler_s_version: { code: 6019, category: ts.DiagnosticCategory.Message, key: "Print_the_compiler_s_version_6019", message: "Print the compiler's version." }, + Compile_the_project_in_the_given_directory: { code: 6020, category: ts.DiagnosticCategory.Message, key: "Compile_the_project_in_the_given_directory_6020", message: "Compile the project in the given directory." }, + Syntax_Colon_0: { code: 6023, category: ts.DiagnosticCategory.Message, key: "Syntax_Colon_0_6023", message: "Syntax: {0}" }, + options: { code: 6024, category: ts.DiagnosticCategory.Message, key: "options_6024", message: "options" }, + file: { code: 6025, category: ts.DiagnosticCategory.Message, key: "file_6025", message: "file" }, + Examples_Colon_0: { code: 6026, category: ts.DiagnosticCategory.Message, key: "Examples_Colon_0_6026", message: "Examples: {0}" }, + Options_Colon: { code: 6027, category: ts.DiagnosticCategory.Message, key: "Options_Colon_6027", message: "Options:" }, + Version_0: { code: 6029, category: ts.DiagnosticCategory.Message, key: "Version_0_6029", message: "Version {0}" }, + Insert_command_line_options_and_files_from_a_file: { code: 6030, category: ts.DiagnosticCategory.Message, key: "Insert_command_line_options_and_files_from_a_file_6030", message: "Insert command line options and files from a file." }, + File_change_detected_Starting_incremental_compilation: { code: 6032, category: ts.DiagnosticCategory.Message, key: "File_change_detected_Starting_incremental_compilation_6032", message: "File change detected. Starting incremental compilation..." }, + KIND: { code: 6034, category: ts.DiagnosticCategory.Message, key: "KIND_6034", message: "KIND" }, + FILE: { code: 6035, category: ts.DiagnosticCategory.Message, key: "FILE_6035", message: "FILE" }, + VERSION: { code: 6036, category: ts.DiagnosticCategory.Message, key: "VERSION_6036", message: "VERSION" }, + LOCATION: { code: 6037, category: ts.DiagnosticCategory.Message, key: "LOCATION_6037", message: "LOCATION" }, + DIRECTORY: { code: 6038, category: ts.DiagnosticCategory.Message, key: "DIRECTORY_6038", message: "DIRECTORY" }, + Compilation_complete_Watching_for_file_changes: { code: 6042, category: ts.DiagnosticCategory.Message, key: "Compilation_complete_Watching_for_file_changes_6042", message: "Compilation complete. Watching for file changes." }, + Generates_corresponding_map_file: { code: 6043, category: ts.DiagnosticCategory.Message, key: "Generates_corresponding_map_file_6043", message: "Generates corresponding '.map' file." }, + Compiler_option_0_expects_an_argument: { code: 6044, category: ts.DiagnosticCategory.Error, key: "Compiler_option_0_expects_an_argument_6044", message: "Compiler option '{0}' expects an argument." }, + Unterminated_quoted_string_in_response_file_0: { code: 6045, category: ts.DiagnosticCategory.Error, key: "Unterminated_quoted_string_in_response_file_0_6045", message: "Unterminated quoted string in response file '{0}'." }, + Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none: { code: 6046, category: ts.DiagnosticCategory.Error, key: "Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none_6046", message: "Argument for '--module' option must be 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'none'." }, + Argument_for_target_option_must_be_ES3_ES5_or_ES2015: { code: 6047, category: ts.DiagnosticCategory.Error, key: "Argument_for_target_option_must_be_ES3_ES5_or_ES2015_6047", message: "Argument for '--target' option must be 'ES3', 'ES5', or 'ES2015'." }, + Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1: { code: 6048, category: ts.DiagnosticCategory.Error, key: "Locale_must_be_of_the_form_language_or_language_territory_For_example_0_or_1_6048", message: "Locale must be of the form or -. For example '{0}' or '{1}'." }, + Unsupported_locale_0: { code: 6049, category: ts.DiagnosticCategory.Error, key: "Unsupported_locale_0_6049", message: "Unsupported locale '{0}'." }, + Unable_to_open_file_0: { code: 6050, category: ts.DiagnosticCategory.Error, key: "Unable_to_open_file_0_6050", message: "Unable to open file '{0}'." }, + Corrupted_locale_file_0: { code: 6051, category: ts.DiagnosticCategory.Error, key: "Corrupted_locale_file_0_6051", message: "Corrupted locale file {0}." }, + Raise_error_on_expressions_and_declarations_with_an_implied_any_type: { code: 6052, category: ts.DiagnosticCategory.Message, key: "Raise_error_on_expressions_and_declarations_with_an_implied_any_type_6052", message: "Raise error on expressions and declarations with an implied 'any' type." }, + File_0_not_found: { code: 6053, category: ts.DiagnosticCategory.Error, key: "File_0_not_found_6053", message: "File '{0}' not found." }, + File_0_has_unsupported_extension_The_only_supported_extensions_are_1: { code: 6054, category: ts.DiagnosticCategory.Error, key: "File_0_has_unsupported_extension_The_only_supported_extensions_are_1_6054", message: "File '{0}' has unsupported extension. The only supported extensions are {1}." }, + Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures: { code: 6055, category: ts.DiagnosticCategory.Message, key: "Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures_6055", message: "Suppress noImplicitAny errors for indexing objects lacking index signatures." }, + Do_not_emit_declarations_for_code_that_has_an_internal_annotation: { code: 6056, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_declarations_for_code_that_has_an_internal_annotation_6056", message: "Do not emit declarations for code that has an '@internal' annotation." }, + Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir: { code: 6058, category: ts.DiagnosticCategory.Message, key: "Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDi_6058", message: "Specifies the root directory of input files. Use to control the output directory structure with --outDir." }, + File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files: { code: 6059, category: ts.DiagnosticCategory.Error, key: "File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files_6059", message: "File '{0}' is not under 'rootDir' '{1}'. 'rootDir' is expected to contain all source files." }, + Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix: { code: 6060, category: ts.DiagnosticCategory.Message, key: "Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix_6060", message: "Specifies the end of line sequence to be used when emitting files: 'CRLF' (dos) or 'LF' (unix)." }, + NEWLINE: { code: 6061, category: ts.DiagnosticCategory.Message, key: "NEWLINE_6061", message: "NEWLINE" }, + Argument_for_newLine_option_must_be_CRLF_or_LF: { code: 6062, category: ts.DiagnosticCategory.Error, key: "Argument_for_newLine_option_must_be_CRLF_or_LF_6062", message: "Argument for '--newLine' option must be 'CRLF' or 'LF'." }, + Argument_for_moduleResolution_option_must_be_node_or_classic: { code: 6063, category: ts.DiagnosticCategory.Error, key: "Argument_for_moduleResolution_option_must_be_node_or_classic_6063", message: "Argument for '--moduleResolution' option must be 'node' or 'classic'." }, + Enables_experimental_support_for_ES7_decorators: { code: 6065, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_decorators_6065", message: "Enables experimental support for ES7 decorators." }, + Enables_experimental_support_for_emitting_type_metadata_for_decorators: { code: 6066, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_emitting_type_metadata_for_decorators_6066", message: "Enables experimental support for emitting type metadata for decorators." }, + Enables_experimental_support_for_ES7_async_functions: { code: 6068, category: ts.DiagnosticCategory.Message, key: "Enables_experimental_support_for_ES7_async_functions_6068", message: "Enables experimental support for ES7 async functions." }, + Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6: { code: 6069, category: ts.DiagnosticCategory.Message, key: "Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6_6069", message: "Specifies module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6)." }, + Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file: { code: 6070, category: ts.DiagnosticCategory.Message, key: "Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file_6070", message: "Initializes a TypeScript project and creates a tsconfig.json file." }, + Successfully_created_a_tsconfig_json_file: { code: 6071, category: ts.DiagnosticCategory.Message, key: "Successfully_created_a_tsconfig_json_file_6071", message: "Successfully created a tsconfig.json file." }, + Suppress_excess_property_checks_for_object_literals: { code: 6072, category: ts.DiagnosticCategory.Message, key: "Suppress_excess_property_checks_for_object_literals_6072", message: "Suppress excess property checks for object literals." }, + Stylize_errors_and_messages_using_color_and_context_experimental: { code: 6073, category: ts.DiagnosticCategory.Message, key: "Stylize_errors_and_messages_using_color_and_context_experimental_6073", message: "Stylize errors and messages using color and context. (experimental)" }, + Do_not_report_errors_on_unused_labels: { code: 6074, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unused_labels_6074", message: "Do not report errors on unused labels." }, + Report_error_when_not_all_code_paths_in_function_return_a_value: { code: 6075, category: ts.DiagnosticCategory.Message, key: "Report_error_when_not_all_code_paths_in_function_return_a_value_6075", message: "Report error when not all code paths in function return a value." }, + Report_errors_for_fallthrough_cases_in_switch_statement: { code: 6076, category: ts.DiagnosticCategory.Message, key: "Report_errors_for_fallthrough_cases_in_switch_statement_6076", message: "Report errors for fallthrough cases in switch statement." }, + Do_not_report_errors_on_unreachable_code: { code: 6077, category: ts.DiagnosticCategory.Message, key: "Do_not_report_errors_on_unreachable_code_6077", message: "Do not report errors on unreachable code." }, + Disallow_inconsistently_cased_references_to_the_same_file: { code: 6078, category: ts.DiagnosticCategory.Message, key: "Disallow_inconsistently_cased_references_to_the_same_file_6078", message: "Disallow inconsistently-cased references to the same file." }, + Specify_JSX_code_generation_Colon_preserve_or_react: { code: 6080, category: ts.DiagnosticCategory.Message, key: "Specify_JSX_code_generation_Colon_preserve_or_react_6080", message: "Specify JSX code generation: 'preserve' or 'react'" }, + Argument_for_jsx_must_be_preserve_or_react: { code: 6081, category: ts.DiagnosticCategory.Message, key: "Argument_for_jsx_must_be_preserve_or_react_6081", message: "Argument for '--jsx' must be 'preserve' or 'react'." }, + Only_amd_and_system_modules_are_supported_alongside_0: { code: 6082, category: ts.DiagnosticCategory.Error, key: "Only_amd_and_system_modules_are_supported_alongside_0_6082", message: "Only 'amd' and 'system' modules are supported alongside --{0}." }, + Allow_javascript_files_to_be_compiled: { code: 6083, category: ts.DiagnosticCategory.Message, key: "Allow_javascript_files_to_be_compiled_6083", message: "Allow javascript files to be compiled." }, + Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit: { code: 6084, category: ts.DiagnosticCategory.Message, key: "Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit_6084", message: "Specifies the object invoked for createElement and __spread when targeting 'react' JSX emit" }, + Do_not_emit_use_strict_directives_in_module_output: { code: 6112, category: ts.DiagnosticCategory.Message, key: "Do_not_emit_use_strict_directives_in_module_output_6112", message: "Do not emit 'use strict' directives in module output." }, + Variable_0_implicitly_has_an_1_type: { code: 7005, category: ts.DiagnosticCategory.Error, key: "Variable_0_implicitly_has_an_1_type_7005", message: "Variable '{0}' implicitly has an '{1}' type." }, + Parameter_0_implicitly_has_an_1_type: { code: 7006, category: ts.DiagnosticCategory.Error, key: "Parameter_0_implicitly_has_an_1_type_7006", message: "Parameter '{0}' implicitly has an '{1}' type." }, + Member_0_implicitly_has_an_1_type: { code: 7008, category: ts.DiagnosticCategory.Error, key: "Member_0_implicitly_has_an_1_type_7008", message: "Member '{0}' implicitly has an '{1}' type." }, + new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type: { code: 7009, category: ts.DiagnosticCategory.Error, key: "new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type_7009", message: "'new' expression, whose target lacks a construct signature, implicitly has an 'any' type." }, + _0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type: { code: 7010, category: ts.DiagnosticCategory.Error, key: "_0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type_7010", message: "'{0}', which lacks return-type annotation, implicitly has an '{1}' return type." }, + Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type: { code: 7011, category: ts.DiagnosticCategory.Error, key: "Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type_7011", message: "Function expression, which lacks return-type annotation, implicitly has an '{0}' return type." }, + Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7013, category: ts.DiagnosticCategory.Error, key: "Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7013", message: "Construct signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number: { code: 7015, category: ts.DiagnosticCategory.Error, key: "Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number_7015", message: "Element implicitly has an 'any' type because index expression is not of type 'number'." }, + Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation: { code: 7016, category: ts.DiagnosticCategory.Error, key: "Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation_7016", message: "Property '{0}' implicitly has type 'any', because its 'set' accessor lacks a type annotation." }, + Index_signature_of_object_type_implicitly_has_an_any_type: { code: 7017, category: ts.DiagnosticCategory.Error, key: "Index_signature_of_object_type_implicitly_has_an_any_type_7017", message: "Index signature of object type implicitly has an 'any' type." }, + Object_literal_s_property_0_implicitly_has_an_1_type: { code: 7018, category: ts.DiagnosticCategory.Error, key: "Object_literal_s_property_0_implicitly_has_an_1_type_7018", message: "Object literal's property '{0}' implicitly has an '{1}' type." }, + Rest_parameter_0_implicitly_has_an_any_type: { code: 7019, category: ts.DiagnosticCategory.Error, key: "Rest_parameter_0_implicitly_has_an_any_type_7019", message: "Rest parameter '{0}' implicitly has an 'any[]' type." }, + Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type: { code: 7020, category: ts.DiagnosticCategory.Error, key: "Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type_7020", message: "Call signature, which lacks return-type annotation, implicitly has an 'any' return type." }, + _0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer: { code: 7022, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or__7022", message: "'{0}' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer." }, + _0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7023, category: ts.DiagnosticCategory.Error, key: "_0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_reference_7023", message: "'{0}' implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions: { code: 7024, category: ts.DiagnosticCategory.Error, key: "Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_ref_7024", message: "Function implicitly has return type 'any' because it does not have a return type annotation and is referenced directly or indirectly in one of its return expressions." }, + Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type: { code: 7025, category: ts.DiagnosticCategory.Error, key: "Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_typ_7025", message: "Generator implicitly has type '{0}' because it does not yield any values. Consider supplying a return type." }, + JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists: { code: 7026, category: ts.DiagnosticCategory.Error, key: "JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists_7026", message: "JSX element implicitly has type 'any' because no interface 'JSX.{0}' exists" }, + Unreachable_code_detected: { code: 7027, category: ts.DiagnosticCategory.Error, key: "Unreachable_code_detected_7027", message: "Unreachable code detected." }, + Unused_label: { code: 7028, category: ts.DiagnosticCategory.Error, key: "Unused_label_7028", message: "Unused label." }, + Fallthrough_case_in_switch: { code: 7029, category: ts.DiagnosticCategory.Error, key: "Fallthrough_case_in_switch_7029", message: "Fallthrough case in switch." }, + Not_all_code_paths_return_a_value: { code: 7030, category: ts.DiagnosticCategory.Error, key: "Not_all_code_paths_return_a_value_7030", message: "Not all code paths return a value." }, + You_cannot_rename_this_element: { code: 8000, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_this_element_8000", message: "You cannot rename this element." }, + You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library: { code: 8001, category: ts.DiagnosticCategory.Error, key: "You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library_8001", message: "You cannot rename elements that are defined in the standard TypeScript library." }, + import_can_only_be_used_in_a_ts_file: { code: 8002, category: ts.DiagnosticCategory.Error, key: "import_can_only_be_used_in_a_ts_file_8002", message: "'import ... =' can only be used in a .ts file." }, + export_can_only_be_used_in_a_ts_file: { code: 8003, category: ts.DiagnosticCategory.Error, key: "export_can_only_be_used_in_a_ts_file_8003", message: "'export=' can only be used in a .ts file." }, + type_parameter_declarations_can_only_be_used_in_a_ts_file: { code: 8004, category: ts.DiagnosticCategory.Error, key: "type_parameter_declarations_can_only_be_used_in_a_ts_file_8004", message: "'type parameter declarations' can only be used in a .ts file." }, + implements_clauses_can_only_be_used_in_a_ts_file: { code: 8005, category: ts.DiagnosticCategory.Error, key: "implements_clauses_can_only_be_used_in_a_ts_file_8005", message: "'implements clauses' can only be used in a .ts file." }, + interface_declarations_can_only_be_used_in_a_ts_file: { code: 8006, category: ts.DiagnosticCategory.Error, key: "interface_declarations_can_only_be_used_in_a_ts_file_8006", message: "'interface declarations' can only be used in a .ts file." }, + module_declarations_can_only_be_used_in_a_ts_file: { code: 8007, category: ts.DiagnosticCategory.Error, key: "module_declarations_can_only_be_used_in_a_ts_file_8007", message: "'module declarations' can only be used in a .ts file." }, + type_aliases_can_only_be_used_in_a_ts_file: { code: 8008, category: ts.DiagnosticCategory.Error, key: "type_aliases_can_only_be_used_in_a_ts_file_8008", message: "'type aliases' can only be used in a .ts file." }, + _0_can_only_be_used_in_a_ts_file: { code: 8009, category: ts.DiagnosticCategory.Error, key: "_0_can_only_be_used_in_a_ts_file_8009", message: "'{0}' can only be used in a .ts file." }, + types_can_only_be_used_in_a_ts_file: { code: 8010, category: ts.DiagnosticCategory.Error, key: "types_can_only_be_used_in_a_ts_file_8010", message: "'types' can only be used in a .ts file." }, + type_arguments_can_only_be_used_in_a_ts_file: { code: 8011, category: ts.DiagnosticCategory.Error, key: "type_arguments_can_only_be_used_in_a_ts_file_8011", message: "'type arguments' can only be used in a .ts file." }, + parameter_modifiers_can_only_be_used_in_a_ts_file: { code: 8012, category: ts.DiagnosticCategory.Error, key: "parameter_modifiers_can_only_be_used_in_a_ts_file_8012", message: "'parameter modifiers' can only be used in a .ts file." }, + property_declarations_can_only_be_used_in_a_ts_file: { code: 8014, category: ts.DiagnosticCategory.Error, key: "property_declarations_can_only_be_used_in_a_ts_file_8014", message: "'property declarations' can only be used in a .ts file." }, + enum_declarations_can_only_be_used_in_a_ts_file: { code: 8015, category: ts.DiagnosticCategory.Error, key: "enum_declarations_can_only_be_used_in_a_ts_file_8015", message: "'enum declarations' can only be used in a .ts file." }, + type_assertion_expressions_can_only_be_used_in_a_ts_file: { code: 8016, category: ts.DiagnosticCategory.Error, key: "type_assertion_expressions_can_only_be_used_in_a_ts_file_8016", message: "'type assertion expressions' can only be used in a .ts file." }, + Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_class_extends_clauses: { code: 9002, category: ts.DiagnosticCategory.Error, key: "Only_identifiers_Slashqualified_names_with_optional_type_arguments_are_currently_supported_in_a_clas_9002", message: "Only identifiers/qualified-names with optional type arguments are currently supported in a class 'extends' clauses." }, + class_expressions_are_not_currently_supported: { code: 9003, category: ts.DiagnosticCategory.Error, key: "class_expressions_are_not_currently_supported_9003", message: "'class' expressions are not currently supported." }, + JSX_attributes_must_only_be_assigned_a_non_empty_expression: { code: 17000, category: ts.DiagnosticCategory.Error, key: "JSX_attributes_must_only_be_assigned_a_non_empty_expression_17000", message: "JSX attributes must only be assigned a non-empty 'expression'." }, + JSX_elements_cannot_have_multiple_attributes_with_the_same_name: { code: 17001, category: ts.DiagnosticCategory.Error, key: "JSX_elements_cannot_have_multiple_attributes_with_the_same_name_17001", message: "JSX elements cannot have multiple attributes with the same name." }, + Expected_corresponding_JSX_closing_tag_for_0: { code: 17002, category: ts.DiagnosticCategory.Error, key: "Expected_corresponding_JSX_closing_tag_for_0_17002", message: "Expected corresponding JSX closing tag for '{0}'." }, + JSX_attribute_expected: { code: 17003, category: ts.DiagnosticCategory.Error, key: "JSX_attribute_expected_17003", message: "JSX attribute expected." }, + Cannot_use_JSX_unless_the_jsx_flag_is_provided: { code: 17004, category: ts.DiagnosticCategory.Error, key: "Cannot_use_JSX_unless_the_jsx_flag_is_provided_17004", message: "Cannot use JSX unless the '--jsx' flag is provided." }, + A_constructor_cannot_contain_a_super_call_when_its_class_extends_null: { code: 17005, category: ts.DiagnosticCategory.Error, key: "A_constructor_cannot_contain_a_super_call_when_its_class_extends_null_17005", message: "A constructor cannot contain a 'super' call when its class extends 'null'" }, + An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17006, category: ts.DiagnosticCategory.Error, key: "An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_ex_17006", message: "An unary expression with the '{0}' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses: { code: 17007, category: ts.DiagnosticCategory.Error, key: "A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Con_17007", message: "A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses." }, + JSX_element_0_has_no_corresponding_closing_tag: { code: 17008, category: ts.DiagnosticCategory.Error, key: "JSX_element_0_has_no_corresponding_closing_tag_17008", message: "JSX element '{0}' has no corresponding closing tag." }, + super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class: { code: 17009, category: ts.DiagnosticCategory.Error, key: "super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class_17009", message: "'super' must be called before accessing 'this' in the constructor of a derived class." } + }; +})(ts || (ts = {})); +/// +/// +var ts; +(function (ts) { + /* @internal */ + function tokenIsIdentifierOrKeyword(token) { + return token >= 69 /* Identifier */; + } + ts.tokenIsIdentifierOrKeyword = tokenIsIdentifierOrKeyword; + var textToToken = { + "abstract": 115 /* AbstractKeyword */, + "any": 117 /* AnyKeyword */, + "as": 116 /* AsKeyword */, + "boolean": 120 /* BooleanKeyword */, + "break": 70 /* BreakKeyword */, + "case": 71 /* CaseKeyword */, + "catch": 72 /* CatchKeyword */, + "class": 73 /* ClassKeyword */, + "continue": 75 /* ContinueKeyword */, + "const": 74 /* ConstKeyword */, + "constructor": 121 /* ConstructorKeyword */, + "debugger": 76 /* DebuggerKeyword */, + "declare": 122 /* DeclareKeyword */, + "default": 77 /* DefaultKeyword */, + "delete": 78 /* DeleteKeyword */, + "do": 79 /* DoKeyword */, + "else": 80 /* ElseKeyword */, + "enum": 81 /* EnumKeyword */, + "export": 82 /* ExportKeyword */, + "extends": 83 /* ExtendsKeyword */, + "false": 84 /* FalseKeyword */, + "finally": 85 /* FinallyKeyword */, + "for": 86 /* ForKeyword */, + "from": 133 /* FromKeyword */, + "function": 87 /* FunctionKeyword */, + "get": 123 /* GetKeyword */, + "if": 88 /* IfKeyword */, + "implements": 106 /* ImplementsKeyword */, + "import": 89 /* ImportKeyword */, + "in": 90 /* InKeyword */, + "instanceof": 91 /* InstanceOfKeyword */, + "interface": 107 /* InterfaceKeyword */, + "is": 124 /* IsKeyword */, + "let": 108 /* LetKeyword */, + "module": 125 /* ModuleKeyword */, + "namespace": 126 /* NamespaceKeyword */, + "new": 92 /* NewKeyword */, + "null": 93 /* NullKeyword */, + "number": 128 /* NumberKeyword */, + "package": 109 /* PackageKeyword */, + "private": 110 /* PrivateKeyword */, + "protected": 111 /* ProtectedKeyword */, + "public": 112 /* PublicKeyword */, + "require": 127 /* RequireKeyword */, + "global": 134 /* GlobalKeyword */, + "return": 94 /* ReturnKeyword */, + "set": 129 /* SetKeyword */, + "static": 113 /* StaticKeyword */, + "string": 130 /* StringKeyword */, + "super": 95 /* SuperKeyword */, + "switch": 96 /* SwitchKeyword */, + "symbol": 131 /* SymbolKeyword */, + "this": 97 /* ThisKeyword */, + "throw": 98 /* ThrowKeyword */, + "true": 99 /* TrueKeyword */, + "try": 100 /* TryKeyword */, + "type": 132 /* TypeKeyword */, + "typeof": 101 /* TypeOfKeyword */, + "var": 102 /* VarKeyword */, + "void": 103 /* VoidKeyword */, + "while": 104 /* WhileKeyword */, + "with": 105 /* WithKeyword */, + "yield": 114 /* YieldKeyword */, + "async": 118 /* AsyncKeyword */, + "await": 119 /* AwaitKeyword */, + "of": 135 /* OfKeyword */, + "{": 15 /* OpenBraceToken */, + "}": 16 /* CloseBraceToken */, + "(": 17 /* OpenParenToken */, + ")": 18 /* CloseParenToken */, + "[": 19 /* OpenBracketToken */, + "]": 20 /* CloseBracketToken */, + ".": 21 /* DotToken */, + "...": 22 /* DotDotDotToken */, + ";": 23 /* SemicolonToken */, + ",": 24 /* CommaToken */, + "<": 25 /* LessThanToken */, + ">": 27 /* GreaterThanToken */, + "<=": 28 /* LessThanEqualsToken */, + ">=": 29 /* GreaterThanEqualsToken */, + "==": 30 /* EqualsEqualsToken */, + "!=": 31 /* ExclamationEqualsToken */, + "===": 32 /* EqualsEqualsEqualsToken */, + "!==": 33 /* ExclamationEqualsEqualsToken */, + "=>": 34 /* EqualsGreaterThanToken */, + "+": 35 /* PlusToken */, + "-": 36 /* MinusToken */, + "**": 38 /* AsteriskAsteriskToken */, + "*": 37 /* AsteriskToken */, + "/": 39 /* SlashToken */, + "%": 40 /* PercentToken */, + "++": 41 /* PlusPlusToken */, + "--": 42 /* MinusMinusToken */, + "<<": 43 /* LessThanLessThanToken */, + ">": 44 /* GreaterThanGreaterThanToken */, + ">>>": 45 /* GreaterThanGreaterThanGreaterThanToken */, + "&": 46 /* AmpersandToken */, + "|": 47 /* BarToken */, + "^": 48 /* CaretToken */, + "!": 49 /* ExclamationToken */, + "~": 50 /* TildeToken */, + "&&": 51 /* AmpersandAmpersandToken */, + "||": 52 /* BarBarToken */, + "?": 53 /* QuestionToken */, + ":": 54 /* ColonToken */, + "=": 56 /* EqualsToken */, + "+=": 57 /* PlusEqualsToken */, + "-=": 58 /* MinusEqualsToken */, + "*=": 59 /* AsteriskEqualsToken */, + "**=": 60 /* AsteriskAsteriskEqualsToken */, + "/=": 61 /* SlashEqualsToken */, + "%=": 62 /* PercentEqualsToken */, + "<<=": 63 /* LessThanLessThanEqualsToken */, + ">>=": 64 /* GreaterThanGreaterThanEqualsToken */, + ">>>=": 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */, + "&=": 66 /* AmpersandEqualsToken */, + "|=": 67 /* BarEqualsToken */, + "^=": 68 /* CaretEqualsToken */, + "@": 55 /* AtToken */ + }; + /* + As per ECMAScript Language Specification 3th Edition, Section 7.6: Identifiers + IdentifierStart :: + Can contain Unicode 3.0.0 categories: + Uppercase letter (Lu), + Lowercase letter (Ll), + Titlecase letter (Lt), + Modifier letter (Lm), + Other letter (Lo), or + Letter number (Nl). + IdentifierPart :: = + Can contain IdentifierStart + Unicode 3.0.0 categories: + Non-spacing mark (Mn), + Combining spacing mark (Mc), + Decimal number (Nd), or + Connector punctuation (Pc). + + Codepoint ranges for ES3 Identifiers are extracted from the Unicode 3.0.0 specification at: + http://www.unicode.org/Public/3.0-Update/UnicodeData-3.0.0.txt + */ + var unicodeES3IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1610, 1649, 1747, 1749, 1749, 1765, 1766, 1786, 1788, 1808, 1808, 1810, 1836, 1920, 1957, 2309, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2784, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3168, 3169, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3294, 3294, 3296, 3297, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3424, 3425, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526, 3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716, 3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743, 3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760, 3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805, 3840, 3840, 3904, 3911, 3913, 3946, 3976, 3979, 4096, 4129, 4131, 4135, 4137, 4138, 4176, 4181, 4256, 4293, 4304, 4342, 4352, 4441, 4447, 4514, 4520, 4601, 4608, 4614, 4616, 4678, 4680, 4680, 4682, 4685, 4688, 4694, 4696, 4696, 4698, 4701, 4704, 4742, 4744, 4744, 4746, 4749, 4752, 4782, 4784, 4784, 4786, 4789, 4792, 4798, 4800, 4800, 4802, 4805, 4808, 4814, 4816, 4822, 4824, 4846, 4848, 4878, 4880, 4880, 4882, 4885, 4888, 4894, 4896, 4934, 4936, 4954, 5024, 5108, 5121, 5740, 5743, 5750, 5761, 5786, 5792, 5866, 6016, 6067, 6176, 6263, 6272, 6312, 7680, 7835, 7840, 7929, 7936, 7957, 7960, 7965, 7968, 8005, 8008, 8013, 8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061, 8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140, 8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188, 8319, 8319, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8497, 8499, 8505, 8544, 8579, 12293, 12295, 12321, 12329, 12337, 12341, 12344, 12346, 12353, 12436, 12445, 12446, 12449, 12538, 12540, 12542, 12549, 12588, 12593, 12686, 12704, 12727, 13312, 19893, 19968, 40869, 40960, 42124, 44032, 55203, 63744, 64045, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65138, 65140, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES3IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 543, 546, 563, 592, 685, 688, 696, 699, 705, 720, 721, 736, 740, 750, 750, 768, 846, 864, 866, 890, 890, 902, 902, 904, 906, 908, 908, 910, 929, 931, 974, 976, 983, 986, 1011, 1024, 1153, 1155, 1158, 1164, 1220, 1223, 1224, 1227, 1228, 1232, 1269, 1272, 1273, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1441, 1443, 1465, 1467, 1469, 1471, 1471, 1473, 1474, 1476, 1476, 1488, 1514, 1520, 1522, 1569, 1594, 1600, 1621, 1632, 1641, 1648, 1747, 1749, 1756, 1759, 1768, 1770, 1773, 1776, 1788, 1808, 1836, 1840, 1866, 1920, 1968, 2305, 2307, 2309, 2361, 2364, 2381, 2384, 2388, 2392, 2403, 2406, 2415, 2433, 2435, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2492, 2492, 2494, 2500, 2503, 2504, 2507, 2509, 2519, 2519, 2524, 2525, 2527, 2531, 2534, 2545, 2562, 2562, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2620, 2620, 2622, 2626, 2631, 2632, 2635, 2637, 2649, 2652, 2654, 2654, 2662, 2676, 2689, 2691, 2693, 2699, 2701, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2748, 2757, 2759, 2761, 2763, 2765, 2768, 2768, 2784, 2784, 2790, 2799, 2817, 2819, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2870, 2873, 2876, 2883, 2887, 2888, 2891, 2893, 2902, 2903, 2908, 2909, 2911, 2913, 2918, 2927, 2946, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 2997, 2999, 3001, 3006, 3010, 3014, 3016, 3018, 3021, 3031, 3031, 3047, 3055, 3073, 3075, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123, 3125, 3129, 3134, 3140, 3142, 3144, 3146, 3149, 3157, 3158, 3168, 3169, 3174, 3183, 3202, 3203, 3205, 3212, 3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3262, 3268, 3270, 3272, 3274, 3277, 3285, 3286, 3294, 3294, 3296, 3297, 3302, 3311, 3330, 3331, 3333, 3340, 3342, 3344, 3346, 3368, 3370, 3385, 3390, 3395, 3398, 3400, 3402, 3405, 3415, 3415, 3424, 3425, 3430, 3439, 3458, 3459, 3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 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65305, 65313, 65338, 65343, 65343, 65345, 65370, 65381, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + /* + As per ECMAScript Language Specification 5th Edition, Section 7.6: ISyntaxToken Names and Identifiers + IdentifierStart :: + Can contain Unicode 6.2 categories: + Uppercase letter (Lu), + Lowercase letter (Ll), + Titlecase letter (Lt), + Modifier letter (Lm), + Other letter (Lo), or + Letter number (Nl). + IdentifierPart :: + Can contain IdentifierStart + Unicode 6.2 categories: + Non-spacing mark (Mn), + Combining spacing mark (Mc), + Decimal number (Nd), + Connector punctuation (Pc), + , or + . + + Codepoint ranges for ES5 Identifiers are extracted from the Unicode 6.2 specification at: + http://www.unicode.org/Public/6.2.0/ucd/UnicodeData.txt + */ + var unicodeES5IdentifierStart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610, 1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775, 1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957, 1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069, 2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2208, 2208, 2210, 2220, 2308, 2361, 2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431, 2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482, 2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529, 2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608, 2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654, 2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736, 2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785, 2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867, 2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929, 2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970, 2972, 2972, 2974, 2975, 2979, 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43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44002, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + var unicodeES5IdentifierPart = [170, 170, 181, 181, 186, 186, 192, 214, 216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750, 768, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908, 910, 929, 931, 1013, 1015, 1153, 1155, 1159, 1162, 1319, 1329, 1366, 1369, 1369, 1377, 1415, 1425, 1469, 1471, 1471, 1473, 1474, 1476, 1477, 1479, 1479, 1488, 1514, 1520, 1522, 1552, 1562, 1568, 1641, 1646, 1747, 1749, 1756, 1759, 1768, 1770, 1788, 1791, 1791, 1808, 1866, 1869, 1969, 1984, 2037, 2042, 2042, 2048, 2093, 2112, 2139, 2208, 2208, 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8178, 8180, 8182, 8188, 8204, 8205, 8255, 8256, 8276, 8276, 8305, 8305, 8319, 8319, 8336, 8348, 8400, 8412, 8417, 8417, 8421, 8432, 8450, 8450, 8455, 8455, 8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486, 8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521, 8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358, 11360, 11492, 11499, 11507, 11520, 11557, 11559, 11559, 11565, 11565, 11568, 11623, 11631, 11631, 11647, 11670, 11680, 11686, 11688, 11694, 11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726, 11728, 11734, 11736, 11742, 11744, 11775, 11823, 11823, 12293, 12295, 12321, 12335, 12337, 12341, 12344, 12348, 12353, 12438, 12441, 12442, 12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589, 12593, 12686, 12704, 12730, 12784, 12799, 13312, 19893, 19968, 40908, 40960, 42124, 42192, 42237, 42240, 42508, 42512, 42539, 42560, 42607, 42612, 42621, 42623, 42647, 42655, 42737, 42775, 42783, 42786, 42888, 42891, 42894, 42896, 42899, 42912, 42922, 43000, 43047, 43072, 43123, 43136, 43204, 43216, 43225, 43232, 43255, 43259, 43259, 43264, 43309, 43312, 43347, 43360, 43388, 43392, 43456, 43471, 43481, 43520, 43574, 43584, 43597, 43600, 43609, 43616, 43638, 43642, 43643, 43648, 43714, 43739, 43741, 43744, 43759, 43762, 43766, 43777, 43782, 43785, 43790, 43793, 43798, 43808, 43814, 43816, 43822, 43968, 44010, 44012, 44013, 44016, 44025, 44032, 55203, 55216, 55238, 55243, 55291, 63744, 64109, 64112, 64217, 64256, 64262, 64275, 64279, 64285, 64296, 64298, 64310, 64312, 64316, 64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433, 64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019, 65024, 65039, 65056, 65062, 65075, 65076, 65101, 65103, 65136, 65140, 65142, 65276, 65296, 65305, 65313, 65338, 65343, 65343, 65345, 65370, 65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495, 65498, 65500,]; + function lookupInUnicodeMap(code, map) { + // Bail out quickly if it couldn't possibly be in the map. + if (code < map[0]) { + return false; + } + // Perform binary search in one of the Unicode range maps + var lo = 0; + var hi = map.length; + var mid; + while (lo + 1 < hi) { + mid = lo + (hi - lo) / 2; + // mid has to be even to catch a range's beginning + mid -= mid % 2; + if (map[mid] <= code && code <= map[mid + 1]) { + return true; + } + if (code < map[mid]) { + hi = mid; + } + else { + lo = mid + 2; + } + } + return false; + } + /* @internal */ function isUnicodeIdentifierStart(code, languageVersion) { + return languageVersion >= 1 /* ES5 */ ? + lookupInUnicodeMap(code, unicodeES5IdentifierStart) : + lookupInUnicodeMap(code, unicodeES3IdentifierStart); + } + ts.isUnicodeIdentifierStart = isUnicodeIdentifierStart; + function isUnicodeIdentifierPart(code, languageVersion) { + return languageVersion >= 1 /* ES5 */ ? + lookupInUnicodeMap(code, unicodeES5IdentifierPart) : + lookupInUnicodeMap(code, unicodeES3IdentifierPart); + } + function makeReverseMap(source) { + var result = []; + for (var name_4 in source) { + if (source.hasOwnProperty(name_4)) { + result[source[name_4]] = name_4; + } + } + return result; + } + var tokenStrings = makeReverseMap(textToToken); + function tokenToString(t) { + return tokenStrings[t]; + } + ts.tokenToString = tokenToString; + /* @internal */ + function stringToToken(s) { + return textToToken[s]; + } + ts.stringToToken = stringToToken; + /* @internal */ + function computeLineStarts(text) { + var result = new Array(); + var pos = 0; + var lineStart = 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + result.push(lineStart); + lineStart = pos; + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && isLineBreak(ch)) { + result.push(lineStart); + lineStart = pos; + } + break; + } + } + result.push(lineStart); + return result; + } + ts.computeLineStarts = computeLineStarts; + function getPositionOfLineAndCharacter(sourceFile, line, character) { + return computePositionOfLineAndCharacter(getLineStarts(sourceFile), line, character); + } + ts.getPositionOfLineAndCharacter = getPositionOfLineAndCharacter; + /* @internal */ + function computePositionOfLineAndCharacter(lineStarts, line, character) { + ts.Debug.assert(line >= 0 && line < lineStarts.length); + return lineStarts[line] + character; + } + ts.computePositionOfLineAndCharacter = computePositionOfLineAndCharacter; + /* @internal */ + function getLineStarts(sourceFile) { + return sourceFile.lineMap || (sourceFile.lineMap = computeLineStarts(sourceFile.text)); + } + ts.getLineStarts = getLineStarts; + /* @internal */ + /** + * We assume the first line starts at position 0 and 'position' is non-negative. + */ + function computeLineAndCharacterOfPosition(lineStarts, position) { + var lineNumber = ts.binarySearch(lineStarts, position); + if (lineNumber < 0) { + // If the actual position was not found, + // the binary search returns the 2's-complement of the next line start + // e.g. if the line starts at [5, 10, 23, 80] and the position requested was 20 + // then the search will return -2. + // + // We want the index of the previous line start, so we subtract 1. + // Review 2's-complement if this is confusing. + lineNumber = ~lineNumber - 1; + ts.Debug.assert(lineNumber !== -1, "position cannot precede the beginning of the file"); + } + return { + line: lineNumber, + character: position - lineStarts[lineNumber] + }; + } + ts.computeLineAndCharacterOfPosition = computeLineAndCharacterOfPosition; + function getLineAndCharacterOfPosition(sourceFile, position) { + return computeLineAndCharacterOfPosition(getLineStarts(sourceFile), position); + } + ts.getLineAndCharacterOfPosition = getLineAndCharacterOfPosition; + var hasOwnProperty = Object.prototype.hasOwnProperty; + function isWhiteSpace(ch) { + // Note: nextLine is in the Zs space, and should be considered to be a whitespace. + // It is explicitly not a line-break as it isn't in the exact set specified by EcmaScript. + return ch === 32 /* space */ || + ch === 9 /* tab */ || + ch === 11 /* verticalTab */ || + ch === 12 /* formFeed */ || + ch === 160 /* nonBreakingSpace */ || + ch === 133 /* nextLine */ || + ch === 5760 /* ogham */ || + ch >= 8192 /* enQuad */ && ch <= 8203 /* zeroWidthSpace */ || + ch === 8239 /* narrowNoBreakSpace */ || + ch === 8287 /* mathematicalSpace */ || + ch === 12288 /* ideographicSpace */ || + ch === 65279 /* byteOrderMark */; + } + ts.isWhiteSpace = isWhiteSpace; + function isLineBreak(ch) { + // ES5 7.3: + // The ECMAScript line terminator characters are listed in Table 3. + // Table 3: Line Terminator Characters + // Code Unit Value Name Formal Name + // \u000A Line Feed + // \u000D Carriage Return + // \u2028 Line separator + // \u2029 Paragraph separator + // Only the characters in Table 3 are treated as line terminators. Other new line or line + // breaking characters are treated as white space but not as line terminators. + return ch === 10 /* lineFeed */ || + ch === 13 /* carriageReturn */ || + ch === 8232 /* lineSeparator */ || + ch === 8233 /* paragraphSeparator */; + } + ts.isLineBreak = isLineBreak; + function isDigit(ch) { + return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; + } + /* @internal */ + function isOctalDigit(ch) { + return ch >= 48 /* _0 */ && ch <= 55 /* _7 */; + } + ts.isOctalDigit = isOctalDigit; + function couldStartTrivia(text, pos) { + // Keep in sync with skipTrivia + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + case 10 /* lineFeed */: + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + case 47 /* slash */: + // starts of normal trivia + case 60 /* lessThan */: + case 61 /* equals */: + case 62 /* greaterThan */: + // Starts of conflict marker trivia + return true; + case 35 /* hash */: + // Only if its the beginning can we have #! trivia + return pos === 0; + default: + return ch > 127 /* maxAsciiCharacter */; + } + } + ts.couldStartTrivia = couldStartTrivia; + /* @internal */ + function skipTrivia(text, pos, stopAfterLineBreak) { + // Using ! with a greater than test is a fast way of testing the following conditions: + // pos === undefined || pos === null || isNaN(pos) || pos < 0; + if (!(pos >= 0)) { + return pos; + } + // Keep in sync with couldStartTrivia + while (true) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + pos++; + if (stopAfterLineBreak) { + return pos; + } + continue; + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + pos++; + continue; + case 47 /* slash */: + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + continue; + } + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + pos += 2; + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + break; + } + pos++; + } + continue; + } + break; + case 60 /* lessThan */: + case 61 /* equals */: + case 62 /* greaterThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos); + continue; + } + break; + case 35 /* hash */: + if (pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + continue; + } + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { + pos++; + continue; + } + break; + } + return pos; + } + } + ts.skipTrivia = skipTrivia; + // All conflict markers consist of the same character repeated seven times. If it is + // a <<<<<<< or >>>>>>> marker then it is also followd by a space. + var mergeConflictMarkerLength = "<<<<<<<".length; + function isConflictMarkerTrivia(text, pos) { + ts.Debug.assert(pos >= 0); + // Conflict markers must be at the start of a line. + if (pos === 0 || isLineBreak(text.charCodeAt(pos - 1))) { + var ch = text.charCodeAt(pos); + if ((pos + mergeConflictMarkerLength) < text.length) { + for (var i = 0, n = mergeConflictMarkerLength; i < n; i++) { + if (text.charCodeAt(pos + i) !== ch) { + return false; + } + } + return ch === 61 /* equals */ || + text.charCodeAt(pos + mergeConflictMarkerLength) === 32 /* space */; + } + } + return false; + } + function scanConflictMarkerTrivia(text, pos, error) { + if (error) { + error(ts.Diagnostics.Merge_conflict_marker_encountered, mergeConflictMarkerLength); + } + var ch = text.charCodeAt(pos); + var len = text.length; + if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { + while (pos < len && !isLineBreak(text.charCodeAt(pos))) { + pos++; + } + } + else { + ts.Debug.assert(ch === 61 /* equals */); + // Consume everything from the start of the mid-conlict marker to the start of the next + // end-conflict marker. + while (pos < len) { + var ch_1 = text.charCodeAt(pos); + if (ch_1 === 62 /* greaterThan */ && isConflictMarkerTrivia(text, pos)) { + break; + } + pos++; + } + } + return pos; + } + var shebangTriviaRegex = /^#!.*/; + function isShebangTrivia(text, pos) { + // Shebangs check must only be done at the start of the file + ts.Debug.assert(pos === 0); + return shebangTriviaRegex.test(text); + } + function scanShebangTrivia(text, pos) { + var shebang = shebangTriviaRegex.exec(text)[0]; + pos = pos + shebang.length; + return pos; + } + /** + * Extract comments from text prefixing the token closest following `pos`. + * The return value is an array containing a TextRange for each comment. + * Single-line comment ranges include the beginning '//' characters but not the ending line break. + * Multi - line comment ranges include the beginning '/* and ending '/' characters. + * The return value is undefined if no comments were found. + * @param trailing + * If false, whitespace is skipped until the first line break and comments between that location + * and the next token are returned. + * If true, comments occurring between the given position and the next line break are returned. + */ + function getCommentRanges(text, pos, trailing) { + var result; + var collecting = trailing || pos === 0; + while (pos < text.length) { + var ch = text.charCodeAt(pos); + switch (ch) { + case 13 /* carriageReturn */: + if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + pos++; + } + case 10 /* lineFeed */: + pos++; + if (trailing) { + return result; + } + collecting = true; + if (result && result.length) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + continue; + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + pos++; + continue; + case 47 /* slash */: + var nextChar = text.charCodeAt(pos + 1); + var hasTrailingNewLine = false; + if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) { + var kind = nextChar === 47 /* slash */ ? 2 /* SingleLineCommentTrivia */ : 3 /* MultiLineCommentTrivia */; + var startPos = pos; + pos += 2; + if (nextChar === 47 /* slash */) { + while (pos < text.length) { + if (isLineBreak(text.charCodeAt(pos))) { + hasTrailingNewLine = true; + break; + } + pos++; + } + } + else { + while (pos < text.length) { + if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + break; + } + pos++; + } + } + if (collecting) { + if (!result) { + result = []; + } + result.push({ pos: startPos, end: pos, hasTrailingNewLine: hasTrailingNewLine, kind: kind }); + } + continue; + } + break; + default: + if (ch > 127 /* maxAsciiCharacter */ && (isWhiteSpace(ch) || isLineBreak(ch))) { + if (result && result.length && isLineBreak(ch)) { + ts.lastOrUndefined(result).hasTrailingNewLine = true; + } + pos++; + continue; + } + break; + } + return result; + } + return result; + } + function getLeadingCommentRanges(text, pos) { + return getCommentRanges(text, pos, /*trailing*/ false); + } + ts.getLeadingCommentRanges = getLeadingCommentRanges; + function getTrailingCommentRanges(text, pos) { + return getCommentRanges(text, pos, /*trailing*/ true); + } + ts.getTrailingCommentRanges = getTrailingCommentRanges; + /** Optionally, get the shebang */ + function getShebang(text) { + return shebangTriviaRegex.test(text) + ? shebangTriviaRegex.exec(text)[0] + : undefined; + } + ts.getShebang = getShebang; + function isIdentifierStart(ch, languageVersion) { + return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || + ch === 36 /* $ */ || ch === 95 /* _ */ || + ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierStart(ch, languageVersion); + } + ts.isIdentifierStart = isIdentifierStart; + function isIdentifierPart(ch, languageVersion) { + return ch >= 65 /* A */ && ch <= 90 /* Z */ || ch >= 97 /* a */ && ch <= 122 /* z */ || + ch >= 48 /* _0 */ && ch <= 57 /* _9 */ || ch === 36 /* $ */ || ch === 95 /* _ */ || + ch > 127 /* maxAsciiCharacter */ && isUnicodeIdentifierPart(ch, languageVersion); + } + ts.isIdentifierPart = isIdentifierPart; + /* @internal */ + function isIdentifier(name, languageVersion) { + if (!isIdentifierStart(name.charCodeAt(0), languageVersion)) { + return false; + } + for (var i = 1, n = name.length; i < n; i++) { + if (!isIdentifierPart(name.charCodeAt(i), languageVersion)) { + return false; + } + } + return true; + } + ts.isIdentifier = isIdentifier; + // Creates a scanner over a (possibly unspecified) range of a piece of text. + function createScanner(languageVersion, skipTrivia, languageVariant, text, onError, start, length) { + if (languageVariant === void 0) { languageVariant = 0 /* Standard */; } + // Current position (end position of text of current token) + var pos; + // end of text + var end; + // Start position of whitespace before current token + var startPos; + // Start position of text of current token + var tokenPos; + var token; + var tokenValue; + var precedingLineBreak; + var hasExtendedUnicodeEscape; + var tokenIsUnterminated; + setText(text, start, length); + return { + getStartPos: function () { return startPos; }, + getTextPos: function () { return pos; }, + getToken: function () { return token; }, + getTokenPos: function () { return tokenPos; }, + getTokenText: function () { return text.substring(tokenPos, pos); }, + getTokenValue: function () { return tokenValue; }, + hasExtendedUnicodeEscape: function () { return hasExtendedUnicodeEscape; }, + hasPrecedingLineBreak: function () { return precedingLineBreak; }, + isIdentifier: function () { return token === 69 /* Identifier */ || token > 105 /* LastReservedWord */; }, + isReservedWord: function () { return token >= 70 /* FirstReservedWord */ && token <= 105 /* LastReservedWord */; }, + isUnterminated: function () { return tokenIsUnterminated; }, + reScanGreaterToken: reScanGreaterToken, + reScanSlashToken: reScanSlashToken, + reScanTemplateToken: reScanTemplateToken, + scanJsxIdentifier: scanJsxIdentifier, + reScanJsxToken: reScanJsxToken, + scanJsxToken: scanJsxToken, + scanJSDocToken: scanJSDocToken, + scan: scan, + setText: setText, + setScriptTarget: setScriptTarget, + setLanguageVariant: setLanguageVariant, + setOnError: setOnError, + setTextPos: setTextPos, + tryScan: tryScan, + lookAhead: lookAhead, + scanRange: scanRange + }; + function error(message, length) { + if (onError) { + onError(message, length || 0); + } + } + function scanNumber() { + var start = pos; + while (isDigit(text.charCodeAt(pos))) + pos++; + if (text.charCodeAt(pos) === 46 /* dot */) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + } + var end = pos; + if (text.charCodeAt(pos) === 69 /* E */ || text.charCodeAt(pos) === 101 /* e */) { + pos++; + if (text.charCodeAt(pos) === 43 /* plus */ || text.charCodeAt(pos) === 45 /* minus */) + pos++; + if (isDigit(text.charCodeAt(pos))) { + pos++; + while (isDigit(text.charCodeAt(pos))) + pos++; + end = pos; + } + else { + error(ts.Diagnostics.Digit_expected); + } + } + return "" + +(text.substring(start, end)); + } + function scanOctalDigits() { + var start = pos; + while (isOctalDigit(text.charCodeAt(pos))) { + pos++; + } + return +(text.substring(start, pos)); + } + /** + * Scans the given number of hexadecimal digits in the text, + * returning -1 if the given number is unavailable. + */ + function scanExactNumberOfHexDigits(count) { + return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ false); + } + /** + * Scans as many hexadecimal digits as are available in the text, + * returning -1 if the given number of digits was unavailable. + */ + function scanMinimumNumberOfHexDigits(count) { + return scanHexDigits(/*minCount*/ count, /*scanAsManyAsPossible*/ true); + } + function scanHexDigits(minCount, scanAsManyAsPossible) { + var digits = 0; + var value = 0; + while (digits < minCount || scanAsManyAsPossible) { + var ch = text.charCodeAt(pos); + if (ch >= 48 /* _0 */ && ch <= 57 /* _9 */) { + value = value * 16 + ch - 48 /* _0 */; + } + else if (ch >= 65 /* A */ && ch <= 70 /* F */) { + value = value * 16 + ch - 65 /* A */ + 10; + } + else if (ch >= 97 /* a */ && ch <= 102 /* f */) { + value = value * 16 + ch - 97 /* a */ + 10; + } + else { + break; + } + pos++; + digits++; + } + if (digits < minCount) { + value = -1; + } + return value; + } + function scanString() { + var quote = text.charCodeAt(pos); + pos++; + var result = ""; + var start = pos; + while (true) { + if (pos >= end) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + var ch = text.charCodeAt(pos); + if (ch === quote) { + result += text.substring(start, pos); + pos++; + break; + } + if (ch === 92 /* backslash */) { + result += text.substring(start, pos); + result += scanEscapeSequence(); + start = pos; + continue; + } + if (isLineBreak(ch)) { + result += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_string_literal); + break; + } + pos++; + } + return result; + } + /** + * Sets the current 'tokenValue' and returns a NoSubstitutionTemplateLiteral or + * a literal component of a TemplateExpression. + */ + function scanTemplateAndSetTokenValue() { + var startedWithBacktick = text.charCodeAt(pos) === 96 /* backtick */; + pos++; + var start = pos; + var contents = ""; + var resultingToken; + while (true) { + if (pos >= end) { + contents += text.substring(start, pos); + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_template_literal); + resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; + break; + } + var currChar = text.charCodeAt(pos); + // '`' + if (currChar === 96 /* backtick */) { + contents += text.substring(start, pos); + pos++; + resultingToken = startedWithBacktick ? 11 /* NoSubstitutionTemplateLiteral */ : 14 /* TemplateTail */; + break; + } + // '${' + if (currChar === 36 /* $ */ && pos + 1 < end && text.charCodeAt(pos + 1) === 123 /* openBrace */) { + contents += text.substring(start, pos); + pos += 2; + resultingToken = startedWithBacktick ? 12 /* TemplateHead */ : 13 /* TemplateMiddle */; + break; + } + // Escape character + if (currChar === 92 /* backslash */) { + contents += text.substring(start, pos); + contents += scanEscapeSequence(); + start = pos; + continue; + } + // Speculated ECMAScript 6 Spec 11.8.6.1: + // and LineTerminatorSequences are normalized to for Template Values + if (currChar === 13 /* carriageReturn */) { + contents += text.substring(start, pos); + pos++; + if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + contents += "\n"; + start = pos; + continue; + } + pos++; + } + ts.Debug.assert(resultingToken !== undefined); + tokenValue = contents; + return resultingToken; + } + function scanEscapeSequence() { + pos++; + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + return ""; + } + var ch = text.charCodeAt(pos); + pos++; + switch (ch) { + case 48 /* _0 */: + return "\0"; + case 98 /* b */: + return "\b"; + case 116 /* t */: + return "\t"; + case 110 /* n */: + return "\n"; + case 118 /* v */: + return "\v"; + case 102 /* f */: + return "\f"; + case 114 /* r */: + return "\r"; + case 39 /* singleQuote */: + return "\'"; + case 34 /* doubleQuote */: + return "\""; + case 117 /* u */: + // '\u{DDDDDDDD}' + if (pos < end && text.charCodeAt(pos) === 123 /* openBrace */) { + hasExtendedUnicodeEscape = true; + pos++; + return scanExtendedUnicodeEscape(); + } + // '\uDDDD' + return scanHexadecimalEscape(/*numDigits*/ 4); + case 120 /* x */: + // '\xDD' + return scanHexadecimalEscape(/*numDigits*/ 2); + // when encountering a LineContinuation (i.e. a backslash and a line terminator sequence), + // the line terminator is interpreted to be "the empty code unit sequence". + case 13 /* carriageReturn */: + if (pos < end && text.charCodeAt(pos) === 10 /* lineFeed */) { + pos++; + } + // fall through + case 10 /* lineFeed */: + case 8232 /* lineSeparator */: + case 8233 /* paragraphSeparator */: + return ""; + default: + return String.fromCharCode(ch); + } + } + function scanHexadecimalEscape(numDigits) { + var escapedValue = scanExactNumberOfHexDigits(numDigits); + if (escapedValue >= 0) { + return String.fromCharCode(escapedValue); + } + else { + error(ts.Diagnostics.Hexadecimal_digit_expected); + return ""; + } + } + function scanExtendedUnicodeEscape() { + var escapedValue = scanMinimumNumberOfHexDigits(1); + var isInvalidExtendedEscape = false; + // Validate the value of the digit + if (escapedValue < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + isInvalidExtendedEscape = true; + } + else if (escapedValue > 0x10FFFF) { + error(ts.Diagnostics.An_extended_Unicode_escape_value_must_be_between_0x0_and_0x10FFFF_inclusive); + isInvalidExtendedEscape = true; + } + if (pos >= end) { + error(ts.Diagnostics.Unexpected_end_of_text); + isInvalidExtendedEscape = true; + } + else if (text.charCodeAt(pos) === 125 /* closeBrace */) { + // Only swallow the following character up if it's a '}'. + pos++; + } + else { + error(ts.Diagnostics.Unterminated_Unicode_escape_sequence); + isInvalidExtendedEscape = true; + } + if (isInvalidExtendedEscape) { + return ""; + } + return utf16EncodeAsString(escapedValue); + } + // Derived from the 10.1.1 UTF16Encoding of the ES6 Spec. + function utf16EncodeAsString(codePoint) { + ts.Debug.assert(0x0 <= codePoint && codePoint <= 0x10FFFF); + if (codePoint <= 65535) { + return String.fromCharCode(codePoint); + } + var codeUnit1 = Math.floor((codePoint - 65536) / 1024) + 0xD800; + var codeUnit2 = ((codePoint - 65536) % 1024) + 0xDC00; + return String.fromCharCode(codeUnit1, codeUnit2); + } + // Current character is known to be a backslash. Check for Unicode escape of the form '\uXXXX' + // and return code point value if valid Unicode escape is found. Otherwise return -1. + function peekUnicodeEscape() { + if (pos + 5 < end && text.charCodeAt(pos + 1) === 117 /* u */) { + var start_1 = pos; + pos += 2; + var value = scanExactNumberOfHexDigits(4); + pos = start_1; + return value; + } + return -1; + } + function scanIdentifierParts() { + var result = ""; + var start = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (isIdentifierPart(ch, languageVersion)) { + pos++; + } + else if (ch === 92 /* backslash */) { + ch = peekUnicodeEscape(); + if (!(ch >= 0 && isIdentifierPart(ch, languageVersion))) { + break; + } + result += text.substring(start, pos); + result += String.fromCharCode(ch); + // Valid Unicode escape is always six characters + pos += 6; + start = pos; + } + else { + break; + } + } + result += text.substring(start, pos); + return result; + } + function getIdentifierToken() { + // Reserved words are between 2 and 11 characters long and start with a lowercase letter + var len = tokenValue.length; + if (len >= 2 && len <= 11) { + var ch = tokenValue.charCodeAt(0); + if (ch >= 97 /* a */ && ch <= 122 /* z */ && hasOwnProperty.call(textToToken, tokenValue)) { + return token = textToToken[tokenValue]; + } + } + return token = 69 /* Identifier */; + } + function scanBinaryOrOctalDigits(base) { + ts.Debug.assert(base !== 2 || base !== 8, "Expected either base 2 or base 8"); + var value = 0; + // For counting number of digits; Valid binaryIntegerLiteral must have at least one binary digit following B or b. + // Similarly valid octalIntegerLiteral must have at least one octal digit following o or O. + var numberOfDigits = 0; + while (true) { + var ch = text.charCodeAt(pos); + var valueOfCh = ch - 48 /* _0 */; + if (!isDigit(ch) || valueOfCh >= base) { + break; + } + value = value * base + valueOfCh; + pos++; + numberOfDigits++; + } + // Invalid binaryIntegerLiteral or octalIntegerLiteral + if (numberOfDigits === 0) { + return -1; + } + return value; + } + function scan() { + startPos = pos; + hasExtendedUnicodeEscape = false; + precedingLineBreak = false; + tokenIsUnterminated = false; + while (true) { + tokenPos = pos; + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + var ch = text.charCodeAt(pos); + // Special handling for shebang + if (ch === 35 /* hash */ && pos === 0 && isShebangTrivia(text, pos)) { + pos = scanShebangTrivia(text, pos); + if (skipTrivia) { + continue; + } + else { + return token = 6 /* ShebangTrivia */; + } + } + switch (ch) { + case 10 /* lineFeed */: + case 13 /* carriageReturn */: + precedingLineBreak = true; + if (skipTrivia) { + pos++; + continue; + } + else { + if (ch === 13 /* carriageReturn */ && pos + 1 < end && text.charCodeAt(pos + 1) === 10 /* lineFeed */) { + // consume both CR and LF + pos += 2; + } + else { + pos++; + } + return token = 4 /* NewLineTrivia */; + } + case 9 /* tab */: + case 11 /* verticalTab */: + case 12 /* formFeed */: + case 32 /* space */: + if (skipTrivia) { + pos++; + continue; + } + else { + while (pos < end && isWhiteSpace(text.charCodeAt(pos))) { + pos++; + } + return token = 5 /* WhitespaceTrivia */; + } + case 33 /* exclamation */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 33 /* ExclamationEqualsEqualsToken */; + } + return pos += 2, token = 31 /* ExclamationEqualsToken */; + } + pos++; + return token = 49 /* ExclamationToken */; + case 34 /* doubleQuote */: + case 39 /* singleQuote */: + tokenValue = scanString(); + return token = 9 /* StringLiteral */; + case 96 /* backtick */: + return token = scanTemplateAndSetTokenValue(); + case 37 /* percent */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 62 /* PercentEqualsToken */; + } + pos++; + return token = 40 /* PercentToken */; + case 38 /* ampersand */: + if (text.charCodeAt(pos + 1) === 38 /* ampersand */) { + return pos += 2, token = 51 /* AmpersandAmpersandToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 66 /* AmpersandEqualsToken */; + } + pos++; + return token = 46 /* AmpersandToken */; + case 40 /* openParen */: + pos++; + return token = 17 /* OpenParenToken */; + case 41 /* closeParen */: + pos++; + return token = 18 /* CloseParenToken */; + case 42 /* asterisk */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 59 /* AsteriskEqualsToken */; + } + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 60 /* AsteriskAsteriskEqualsToken */; + } + return pos += 2, token = 38 /* AsteriskAsteriskToken */; + } + pos++; + return token = 37 /* AsteriskToken */; + case 43 /* plus */: + if (text.charCodeAt(pos + 1) === 43 /* plus */) { + return pos += 2, token = 41 /* PlusPlusToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 57 /* PlusEqualsToken */; + } + pos++; + return token = 35 /* PlusToken */; + case 44 /* comma */: + pos++; + return token = 24 /* CommaToken */; + case 45 /* minus */: + if (text.charCodeAt(pos + 1) === 45 /* minus */) { + return pos += 2, token = 42 /* MinusMinusToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 58 /* MinusEqualsToken */; + } + pos++; + return token = 36 /* MinusToken */; + case 46 /* dot */: + if (isDigit(text.charCodeAt(pos + 1))) { + tokenValue = scanNumber(); + return token = 8 /* NumericLiteral */; + } + if (text.charCodeAt(pos + 1) === 46 /* dot */ && text.charCodeAt(pos + 2) === 46 /* dot */) { + return pos += 3, token = 22 /* DotDotDotToken */; + } + pos++; + return token = 21 /* DotToken */; + case 47 /* slash */: + // Single-line comment + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + while (pos < end) { + if (isLineBreak(text.charCodeAt(pos))) { + break; + } + pos++; + } + if (skipTrivia) { + continue; + } + else { + return token = 2 /* SingleLineCommentTrivia */; + } + } + // Multi-line comment + if (text.charCodeAt(pos + 1) === 42 /* asterisk */) { + pos += 2; + var commentClosed = false; + while (pos < end) { + var ch_2 = text.charCodeAt(pos); + if (ch_2 === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + commentClosed = true; + break; + } + if (isLineBreak(ch_2)) { + precedingLineBreak = true; + } + pos++; + } + if (!commentClosed) { + error(ts.Diagnostics.Asterisk_Slash_expected); + } + if (skipTrivia) { + continue; + } + else { + tokenIsUnterminated = !commentClosed; + return token = 3 /* MultiLineCommentTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 61 /* SlashEqualsToken */; + } + pos++; + return token = 39 /* SlashToken */; + case 48 /* _0 */: + if (pos + 2 < end && (text.charCodeAt(pos + 1) === 88 /* X */ || text.charCodeAt(pos + 1) === 120 /* x */)) { + pos += 2; + var value = scanMinimumNumberOfHexDigits(1); + if (value < 0) { + error(ts.Diagnostics.Hexadecimal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 66 /* B */ || text.charCodeAt(pos + 1) === 98 /* b */)) { + pos += 2; + var value = scanBinaryOrOctalDigits(/* base */ 2); + if (value < 0) { + error(ts.Diagnostics.Binary_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + else if (pos + 2 < end && (text.charCodeAt(pos + 1) === 79 /* O */ || text.charCodeAt(pos + 1) === 111 /* o */)) { + pos += 2; + var value = scanBinaryOrOctalDigits(/* base */ 8); + if (value < 0) { + error(ts.Diagnostics.Octal_digit_expected); + value = 0; + } + tokenValue = "" + value; + return token = 8 /* NumericLiteral */; + } + // Try to parse as an octal + if (pos + 1 < end && isOctalDigit(text.charCodeAt(pos + 1))) { + tokenValue = "" + scanOctalDigits(); + return token = 8 /* NumericLiteral */; + } + // This fall-through is a deviation from the EcmaScript grammar. The grammar says that a leading zero + // can only be followed by an octal digit, a dot, or the end of the number literal. However, we are being + // permissive and allowing decimal digits of the form 08* and 09* (which many browsers also do). + case 49 /* _1 */: + case 50 /* _2 */: + case 51 /* _3 */: + case 52 /* _4 */: + case 53 /* _5 */: + case 54 /* _6 */: + case 55 /* _7 */: + case 56 /* _8 */: + case 57 /* _9 */: + tokenValue = scanNumber(); + return token = 8 /* NumericLiteral */; + case 58 /* colon */: + pos++; + return token = 54 /* ColonToken */; + case 59 /* semicolon */: + pos++; + return token = 23 /* SemicolonToken */; + case 60 /* lessThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 60 /* lessThan */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 63 /* LessThanLessThanEqualsToken */; + } + return pos += 2, token = 43 /* LessThanLessThanToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 28 /* LessThanEqualsToken */; + } + if (languageVariant === 1 /* JSX */ && + text.charCodeAt(pos + 1) === 47 /* slash */ && + text.charCodeAt(pos + 2) !== 42 /* asterisk */) { + return pos += 2, token = 26 /* LessThanSlashToken */; + } + pos++; + return token = 25 /* LessThanToken */; + case 61 /* equals */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 32 /* EqualsEqualsEqualsToken */; + } + return pos += 2, token = 30 /* EqualsEqualsToken */; + } + if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { + return pos += 2, token = 34 /* EqualsGreaterThanToken */; + } + pos++; + return token = 56 /* EqualsToken */; + case 62 /* greaterThan */: + if (isConflictMarkerTrivia(text, pos)) { + pos = scanConflictMarkerTrivia(text, pos, error); + if (skipTrivia) { + continue; + } + else { + return token = 7 /* ConflictMarkerTrivia */; + } + } + pos++; + return token = 27 /* GreaterThanToken */; + case 63 /* question */: + pos++; + return token = 53 /* QuestionToken */; + case 91 /* openBracket */: + pos++; + return token = 19 /* OpenBracketToken */; + case 93 /* closeBracket */: + pos++; + return token = 20 /* CloseBracketToken */; + case 94 /* caret */: + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 68 /* CaretEqualsToken */; + } + pos++; + return token = 48 /* CaretToken */; + case 123 /* openBrace */: + pos++; + return token = 15 /* OpenBraceToken */; + case 124 /* bar */: + if (text.charCodeAt(pos + 1) === 124 /* bar */) { + return pos += 2, token = 52 /* BarBarToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 67 /* BarEqualsToken */; + } + pos++; + return token = 47 /* BarToken */; + case 125 /* closeBrace */: + pos++; + return token = 16 /* CloseBraceToken */; + case 126 /* tilde */: + pos++; + return token = 50 /* TildeToken */; + case 64 /* at */: + pos++; + return token = 55 /* AtToken */; + case 92 /* backslash */: + var cookedChar = peekUnicodeEscape(); + if (cookedChar >= 0 && isIdentifierStart(cookedChar, languageVersion)) { + pos += 6; + tokenValue = String.fromCharCode(cookedChar) + scanIdentifierParts(); + return token = getIdentifierToken(); + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0 /* Unknown */; + default: + if (isIdentifierStart(ch, languageVersion)) { + pos++; + while (pos < end && isIdentifierPart(ch = text.charCodeAt(pos), languageVersion)) + pos++; + tokenValue = text.substring(tokenPos, pos); + if (ch === 92 /* backslash */) { + tokenValue += scanIdentifierParts(); + } + return token = getIdentifierToken(); + } + else if (isWhiteSpace(ch)) { + pos++; + continue; + } + else if (isLineBreak(ch)) { + precedingLineBreak = true; + pos++; + continue; + } + error(ts.Diagnostics.Invalid_character); + pos++; + return token = 0 /* Unknown */; + } + } + } + function reScanGreaterToken() { + if (token === 27 /* GreaterThanToken */) { + if (text.charCodeAt(pos) === 62 /* greaterThan */) { + if (text.charCodeAt(pos + 1) === 62 /* greaterThan */) { + if (text.charCodeAt(pos + 2) === 61 /* equals */) { + return pos += 3, token = 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */; + } + return pos += 2, token = 45 /* GreaterThanGreaterThanGreaterThanToken */; + } + if (text.charCodeAt(pos + 1) === 61 /* equals */) { + return pos += 2, token = 64 /* GreaterThanGreaterThanEqualsToken */; + } + pos++; + return token = 44 /* GreaterThanGreaterThanToken */; + } + if (text.charCodeAt(pos) === 61 /* equals */) { + pos++; + return token = 29 /* GreaterThanEqualsToken */; + } + } + return token; + } + function reScanSlashToken() { + if (token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) { + var p = tokenPos + 1; + var inEscape = false; + var inCharacterClass = false; + while (true) { + // If we reach the end of a file, or hit a newline, then this is an unterminated + // regex. Report error and return what we have so far. + if (p >= end) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + var ch = text.charCodeAt(p); + if (isLineBreak(ch)) { + tokenIsUnterminated = true; + error(ts.Diagnostics.Unterminated_regular_expression_literal); + break; + } + if (inEscape) { + // Parsing an escape character; + // reset the flag and just advance to the next char. + inEscape = false; + } + else if (ch === 47 /* slash */ && !inCharacterClass) { + // A slash within a character class is permissible, + // but in general it signals the end of the regexp literal. + p++; + break; + } + else if (ch === 91 /* openBracket */) { + inCharacterClass = true; + } + else if (ch === 92 /* backslash */) { + inEscape = true; + } + else if (ch === 93 /* closeBracket */) { + inCharacterClass = false; + } + p++; + } + while (p < end && isIdentifierPart(text.charCodeAt(p), languageVersion)) { + p++; + } + pos = p; + tokenValue = text.substring(tokenPos, pos); + token = 10 /* RegularExpressionLiteral */; + } + return token; + } + /** + * Unconditionally back up and scan a template expression portion. + */ + function reScanTemplateToken() { + ts.Debug.assert(token === 16 /* CloseBraceToken */, "'reScanTemplateToken' should only be called on a '}'"); + pos = tokenPos; + return token = scanTemplateAndSetTokenValue(); + } + function reScanJsxToken() { + pos = tokenPos = startPos; + return token = scanJsxToken(); + } + function scanJsxToken() { + startPos = tokenPos = pos; + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + var char = text.charCodeAt(pos); + if (char === 60 /* lessThan */) { + if (text.charCodeAt(pos + 1) === 47 /* slash */) { + pos += 2; + return token = 26 /* LessThanSlashToken */; + } + pos++; + return token = 25 /* LessThanToken */; + } + if (char === 123 /* openBrace */) { + pos++; + return token = 15 /* OpenBraceToken */; + } + while (pos < end) { + pos++; + char = text.charCodeAt(pos); + if ((char === 123 /* openBrace */) || (char === 60 /* lessThan */)) { + break; + } + } + return token = 239 /* JsxText */; + } + // Scans a JSX identifier; these differ from normal identifiers in that + // they allow dashes + function scanJsxIdentifier() { + if (tokenIsIdentifierOrKeyword(token)) { + var firstCharPosition = pos; + while (pos < end) { + var ch = text.charCodeAt(pos); + if (ch === 45 /* minus */ || ((firstCharPosition === pos) ? isIdentifierStart(ch, languageVersion) : isIdentifierPart(ch, languageVersion))) { + pos++; + } + else { + break; + } + } + tokenValue += text.substr(firstCharPosition, pos - firstCharPosition); + } + return token; + } + function scanJSDocToken() { + if (pos >= end) { + return token = 1 /* EndOfFileToken */; + } + startPos = pos; + // Eat leading whitespace + var ch = text.charCodeAt(pos); + while (pos < end) { + ch = text.charCodeAt(pos); + if (isWhiteSpace(ch)) { + pos++; + } + else { + break; + } + } + tokenPos = pos; + switch (ch) { + case 64 /* at */: + return pos += 1, token = 55 /* AtToken */; + case 10 /* lineFeed */: + case 13 /* carriageReturn */: + return pos += 1, token = 4 /* NewLineTrivia */; + case 42 /* asterisk */: + return pos += 1, token = 37 /* AsteriskToken */; + case 123 /* openBrace */: + return pos += 1, token = 15 /* OpenBraceToken */; + case 125 /* closeBrace */: + return pos += 1, token = 16 /* CloseBraceToken */; + case 91 /* openBracket */: + return pos += 1, token = 19 /* OpenBracketToken */; + case 93 /* closeBracket */: + return pos += 1, token = 20 /* CloseBracketToken */; + case 61 /* equals */: + return pos += 1, token = 56 /* EqualsToken */; + case 44 /* comma */: + return pos += 1, token = 24 /* CommaToken */; + } + if (isIdentifierStart(ch, 2 /* Latest */)) { + pos++; + while (isIdentifierPart(text.charCodeAt(pos), 2 /* Latest */) && pos < end) { + pos++; + } + return token = 69 /* Identifier */; + } + else { + return pos += 1, token = 0 /* Unknown */; + } + } + function speculationHelper(callback, isLookahead) { + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var saveTokenValue = tokenValue; + var savePrecedingLineBreak = precedingLineBreak; + var result = callback(); + // If our callback returned something 'falsy' or we're just looking ahead, + // then unconditionally restore us to where we were. + if (!result || isLookahead) { + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + tokenValue = saveTokenValue; + precedingLineBreak = savePrecedingLineBreak; + } + return result; + } + function scanRange(start, length, callback) { + var saveEnd = end; + var savePos = pos; + var saveStartPos = startPos; + var saveTokenPos = tokenPos; + var saveToken = token; + var savePrecedingLineBreak = precedingLineBreak; + var saveTokenValue = tokenValue; + var saveHasExtendedUnicodeEscape = hasExtendedUnicodeEscape; + var saveTokenIsUnterminated = tokenIsUnterminated; + setText(text, start, length); + var result = callback(); + end = saveEnd; + pos = savePos; + startPos = saveStartPos; + tokenPos = saveTokenPos; + token = saveToken; + precedingLineBreak = savePrecedingLineBreak; + tokenValue = saveTokenValue; + hasExtendedUnicodeEscape = saveHasExtendedUnicodeEscape; + tokenIsUnterminated = saveTokenIsUnterminated; + return result; + } + function lookAhead(callback) { + return speculationHelper(callback, /*isLookahead*/ true); + } + function tryScan(callback) { + return speculationHelper(callback, /*isLookahead*/ false); + } + function setText(newText, start, length) { + text = newText || ""; + end = length === undefined ? text.length : start + length; + setTextPos(start || 0); + } + function setOnError(errorCallback) { + onError = errorCallback; + } + function setScriptTarget(scriptTarget) { + languageVersion = scriptTarget; + } + function setLanguageVariant(variant) { + languageVariant = variant; + } + function setTextPos(textPos) { + ts.Debug.assert(textPos >= 0); + pos = textPos; + startPos = textPos; + tokenPos = textPos; + token = 0 /* Unknown */; + precedingLineBreak = false; + tokenValue = undefined; + hasExtendedUnicodeEscape = false; + tokenIsUnterminated = false; + } + } + ts.createScanner = createScanner; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + function getDeclarationOfKind(symbol, kind) { + var declarations = symbol.declarations; + if (declarations) { + for (var _i = 0, declarations_1 = declarations; _i < declarations_1.length; _i++) { + var declaration = declarations_1[_i]; + if (declaration.kind === kind) { + return declaration; + } + } + } + return undefined; + } + ts.getDeclarationOfKind = getDeclarationOfKind; + // Pool writers to avoid needing to allocate them for every symbol we write. + var stringWriters = []; + function getSingleLineStringWriter() { + if (stringWriters.length === 0) { + var str_1 = ""; + var writeText = function (text) { return str_1 += text; }; + return { + string: function () { return str_1; }, + writeKeyword: writeText, + writeOperator: writeText, + writePunctuation: writeText, + writeSpace: writeText, + writeStringLiteral: writeText, + writeParameter: writeText, + writeSymbol: writeText, + // Completely ignore indentation for string writers. And map newlines to + // a single space. + writeLine: function () { return str_1 += " "; }, + increaseIndent: function () { }, + decreaseIndent: function () { }, + clear: function () { return str_1 = ""; }, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + } + return stringWriters.pop(); + } + ts.getSingleLineStringWriter = getSingleLineStringWriter; + function releaseStringWriter(writer) { + writer.clear(); + stringWriters.push(writer); + } + ts.releaseStringWriter = releaseStringWriter; + function getFullWidth(node) { + return node.end - node.pos; + } + ts.getFullWidth = getFullWidth; + function arrayIsEqualTo(array1, array2, equaler) { + if (!array1 || !array2) { + return array1 === array2; + } + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + var equals = equaler ? equaler(array1[i], array2[i]) : array1[i] === array2[i]; + if (!equals) { + return false; + } + } + return true; + } + ts.arrayIsEqualTo = arrayIsEqualTo; + function hasResolvedModule(sourceFile, moduleNameText) { + return sourceFile.resolvedModules && ts.hasProperty(sourceFile.resolvedModules, moduleNameText); + } + ts.hasResolvedModule = hasResolvedModule; + function getResolvedModule(sourceFile, moduleNameText) { + return hasResolvedModule(sourceFile, moduleNameText) ? sourceFile.resolvedModules[moduleNameText] : undefined; + } + ts.getResolvedModule = getResolvedModule; + function setResolvedModule(sourceFile, moduleNameText, resolvedModule) { + if (!sourceFile.resolvedModules) { + sourceFile.resolvedModules = {}; + } + sourceFile.resolvedModules[moduleNameText] = resolvedModule; + } + ts.setResolvedModule = setResolvedModule; + // Returns true if this node contains a parse error anywhere underneath it. + function containsParseError(node) { + aggregateChildData(node); + return (node.parserContextFlags & 64 /* ThisNodeOrAnySubNodesHasError */) !== 0; + } + ts.containsParseError = containsParseError; + function aggregateChildData(node) { + if (!(node.parserContextFlags & 128 /* HasAggregatedChildData */)) { + // A node is considered to contain a parse error if: + // a) the parser explicitly marked that it had an error + // b) any of it's children reported that it had an error. + var thisNodeOrAnySubNodesHasError = ((node.parserContextFlags & 16 /* ThisNodeHasError */) !== 0) || + ts.forEachChild(node, containsParseError); + // If so, mark ourselves accordingly. + if (thisNodeOrAnySubNodesHasError) { + node.parserContextFlags |= 64 /* ThisNodeOrAnySubNodesHasError */; + } + // Also mark that we've propogated the child information to this node. This way we can + // always consult the bit directly on this node without needing to check its children + // again. + node.parserContextFlags |= 128 /* HasAggregatedChildData */; + } + } + function getSourceFileOfNode(node) { + while (node && node.kind !== 251 /* SourceFile */) { + node = node.parent; + } + return node; + } + ts.getSourceFileOfNode = getSourceFileOfNode; + function isStatementWithLocals(node) { + switch (node.kind) { + case 195 /* Block */: + case 223 /* CaseBlock */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return true; + } + return false; + } + ts.isStatementWithLocals = isStatementWithLocals; + function getStartPositionOfLine(line, sourceFile) { + ts.Debug.assert(line >= 0); + return ts.getLineStarts(sourceFile)[line]; + } + ts.getStartPositionOfLine = getStartPositionOfLine; + // This is a useful function for debugging purposes. + function nodePosToString(node) { + var file = getSourceFileOfNode(node); + var loc = ts.getLineAndCharacterOfPosition(file, node.pos); + return file.fileName + "(" + (loc.line + 1) + "," + (loc.character + 1) + ")"; + } + ts.nodePosToString = nodePosToString; + function getStartPosOfNode(node) { + return node.pos; + } + ts.getStartPosOfNode = getStartPosOfNode; + // Returns true if this node is missing from the actual source code. A 'missing' node is different + // from 'undefined/defined'. When a node is undefined (which can happen for optional nodes + // in the tree), it is definitely missing. However, a node may be defined, but still be + // missing. This happens whenever the parser knows it needs to parse something, but can't + // get anything in the source code that it expects at that location. For example: + // + // let a: ; + // + // Here, the Type in the Type-Annotation is not-optional (as there is a colon in the source + // code). So the parser will attempt to parse out a type, and will create an actual node. + // However, this node will be 'missing' in the sense that no actual source-code/tokens are + // contained within it. + function nodeIsMissing(node) { + if (!node) { + return true; + } + return node.pos === node.end && node.pos >= 0 && node.kind !== 1 /* EndOfFileToken */; + } + ts.nodeIsMissing = nodeIsMissing; + function nodeIsPresent(node) { + return !nodeIsMissing(node); + } + ts.nodeIsPresent = nodeIsPresent; + function getTokenPosOfNode(node, sourceFile) { + // With nodes that have no width (i.e. 'Missing' nodes), we actually *don't* + // want to skip trivia because this will launch us forward to the next token. + if (nodeIsMissing(node)) { + return node.pos; + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.pos); + } + ts.getTokenPosOfNode = getTokenPosOfNode; + function getNonDecoratorTokenPosOfNode(node, sourceFile) { + if (nodeIsMissing(node) || !node.decorators) { + return getTokenPosOfNode(node, sourceFile); + } + return ts.skipTrivia((sourceFile || getSourceFileOfNode(node)).text, node.decorators.end); + } + ts.getNonDecoratorTokenPosOfNode = getNonDecoratorTokenPosOfNode; + function getSourceTextOfNodeFromSourceFile(sourceFile, node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + if (nodeIsMissing(node)) { + return ""; + } + var text = sourceFile.text; + return text.substring(includeTrivia ? node.pos : ts.skipTrivia(text, node.pos), node.end); + } + ts.getSourceTextOfNodeFromSourceFile = getSourceTextOfNodeFromSourceFile; + function getTextOfNodeFromSourceText(sourceText, node) { + if (nodeIsMissing(node)) { + return ""; + } + return sourceText.substring(ts.skipTrivia(sourceText, node.pos), node.end); + } + ts.getTextOfNodeFromSourceText = getTextOfNodeFromSourceText; + function getTextOfNode(node, includeTrivia) { + if (includeTrivia === void 0) { includeTrivia = false; } + return getSourceTextOfNodeFromSourceFile(getSourceFileOfNode(node), node, includeTrivia); + } + ts.getTextOfNode = getTextOfNode; + // Add an extra underscore to identifiers that start with two underscores to avoid issues with magic names like '__proto__' + function escapeIdentifier(identifier) { + return identifier.length >= 2 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ ? "_" + identifier : identifier; + } + ts.escapeIdentifier = escapeIdentifier; + // Remove extra underscore from escaped identifier + function unescapeIdentifier(identifier) { + return identifier.length >= 3 && identifier.charCodeAt(0) === 95 /* _ */ && identifier.charCodeAt(1) === 95 /* _ */ && identifier.charCodeAt(2) === 95 /* _ */ ? identifier.substr(1) : identifier; + } + ts.unescapeIdentifier = unescapeIdentifier; + // Make an identifier from an external module name by extracting the string after the last "/" and replacing + // all non-alphanumeric characters with underscores + function makeIdentifierFromModuleName(moduleName) { + return ts.getBaseFileName(moduleName).replace(/^(\d)/, "_$1").replace(/\W/g, "_"); + } + ts.makeIdentifierFromModuleName = makeIdentifierFromModuleName; + function isBlockOrCatchScoped(declaration) { + return (getCombinedNodeFlags(declaration) & 24576 /* BlockScoped */) !== 0 || + isCatchClauseVariableDeclaration(declaration); + } + ts.isBlockOrCatchScoped = isBlockOrCatchScoped; + function isAmbientModule(node) { + return node && node.kind === 221 /* ModuleDeclaration */ && + (node.name.kind === 9 /* StringLiteral */ || isGlobalScopeAugmentation(node)); + } + ts.isAmbientModule = isAmbientModule; + function isBlockScopedContainerTopLevel(node) { + return node.kind === 251 /* SourceFile */ || + node.kind === 221 /* ModuleDeclaration */ || + isFunctionLike(node) || + isFunctionBlock(node); + } + ts.isBlockScopedContainerTopLevel = isBlockScopedContainerTopLevel; + function isGlobalScopeAugmentation(module) { + return !!(module.flags & 2097152 /* GlobalAugmentation */); + } + ts.isGlobalScopeAugmentation = isGlobalScopeAugmentation; + function isExternalModuleAugmentation(node) { + // external module augmentation is a ambient module declaration that is either: + // - defined in the top level scope and source file is an external module + // - defined inside ambient module declaration located in the top level scope and source file not an external module + if (!node || !isAmbientModule(node)) { + return false; + } + switch (node.parent.kind) { + case 251 /* SourceFile */: + return isExternalModule(node.parent); + case 222 /* ModuleBlock */: + return isAmbientModule(node.parent.parent) && !isExternalModule(node.parent.parent.parent); + } + return false; + } + ts.isExternalModuleAugmentation = isExternalModuleAugmentation; + // Gets the nearest enclosing block scope container that has the provided node + // as a descendant, that is not the provided node. + function getEnclosingBlockScopeContainer(node) { + var current = node.parent; + while (current) { + if (isFunctionLike(current)) { + return current; + } + switch (current.kind) { + case 251 /* SourceFile */: + case 223 /* CaseBlock */: + case 247 /* CatchClause */: + case 221 /* ModuleDeclaration */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return current; + case 195 /* Block */: + // function block is not considered block-scope container + // see comment in binder.ts: bind(...), case for SyntaxKind.Block + if (!isFunctionLike(current.parent)) { + return current; + } + } + current = current.parent; + } + } + ts.getEnclosingBlockScopeContainer = getEnclosingBlockScopeContainer; + function isCatchClauseVariableDeclaration(declaration) { + return declaration && + declaration.kind === 214 /* VariableDeclaration */ && + declaration.parent && + declaration.parent.kind === 247 /* CatchClause */; + } + ts.isCatchClauseVariableDeclaration = isCatchClauseVariableDeclaration; + // Return display name of an identifier + // Computed property names will just be emitted as "[]", where is the source + // text of the expression in the computed property. + function declarationNameToString(name) { + return getFullWidth(name) === 0 ? "(Missing)" : getTextOfNode(name); + } + ts.declarationNameToString = declarationNameToString; + function createDiagnosticForNode(node, message, arg0, arg1, arg2) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2); + } + ts.createDiagnosticForNode = createDiagnosticForNode; + function createDiagnosticForNodeFromMessageChain(node, messageChain) { + var sourceFile = getSourceFileOfNode(node); + var span = getErrorSpanForNode(sourceFile, node); + return { + file: sourceFile, + start: span.start, + length: span.length, + code: messageChain.code, + category: messageChain.category, + messageText: messageChain.next ? messageChain : messageChain.messageText + }; + } + ts.createDiagnosticForNodeFromMessageChain = createDiagnosticForNodeFromMessageChain; + function getSpanOfTokenAtPosition(sourceFile, pos) { + var scanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ true, sourceFile.languageVariant, sourceFile.text, /*onError:*/ undefined, pos); + scanner.scan(); + var start = scanner.getTokenPos(); + return ts.createTextSpanFromBounds(start, scanner.getTextPos()); + } + ts.getSpanOfTokenAtPosition = getSpanOfTokenAtPosition; + function getErrorSpanForNode(sourceFile, node) { + var errorNode = node; + switch (node.kind) { + case 251 /* SourceFile */: + var pos_1 = ts.skipTrivia(sourceFile.text, 0, /*stopAfterLineBreak*/ false); + if (pos_1 === sourceFile.text.length) { + // file is empty - return span for the beginning of the file + return ts.createTextSpan(0, 0); + } + return getSpanOfTokenAtPosition(sourceFile, pos_1); + // This list is a work in progress. Add missing node kinds to improve their error + // spans. + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 219 /* TypeAliasDeclaration */: + errorNode = node.name; + break; + } + if (errorNode === undefined) { + // If we don't have a better node, then just set the error on the first token of + // construct. + return getSpanOfTokenAtPosition(sourceFile, node.pos); + } + var pos = nodeIsMissing(errorNode) + ? errorNode.pos + : ts.skipTrivia(sourceFile.text, errorNode.pos); + return ts.createTextSpanFromBounds(pos, errorNode.end); + } + ts.getErrorSpanForNode = getErrorSpanForNode; + function isExternalModule(file) { + return file.externalModuleIndicator !== undefined; + } + ts.isExternalModule = isExternalModule; + function isExternalOrCommonJsModule(file) { + return (file.externalModuleIndicator || file.commonJsModuleIndicator) !== undefined; + } + ts.isExternalOrCommonJsModule = isExternalOrCommonJsModule; + function isDeclarationFile(file) { + return (file.flags & 4096 /* DeclarationFile */) !== 0; + } + ts.isDeclarationFile = isDeclarationFile; + function isConstEnumDeclaration(node) { + return node.kind === 220 /* EnumDeclaration */ && isConst(node); + } + ts.isConstEnumDeclaration = isConstEnumDeclaration; + function walkUpBindingElementsAndPatterns(node) { + while (node && (node.kind === 166 /* BindingElement */ || isBindingPattern(node))) { + node = node.parent; + } + return node; + } + // Returns the node flags for this node and all relevant parent nodes. This is done so that + // nodes like variable declarations and binding elements can returned a view of their flags + // that includes the modifiers from their container. i.e. flags like export/declare aren't + // stored on the variable declaration directly, but on the containing variable statement + // (if it has one). Similarly, flags for let/const are store on the variable declaration + // list. By calling this function, all those flags are combined so that the client can treat + // the node as if it actually had those flags. + function getCombinedNodeFlags(node) { + node = walkUpBindingElementsAndPatterns(node); + var flags = node.flags; + if (node.kind === 214 /* VariableDeclaration */) { + node = node.parent; + } + if (node && node.kind === 215 /* VariableDeclarationList */) { + flags |= node.flags; + node = node.parent; + } + if (node && node.kind === 196 /* VariableStatement */) { + flags |= node.flags; + } + return flags; + } + ts.getCombinedNodeFlags = getCombinedNodeFlags; + function isConst(node) { + return !!(getCombinedNodeFlags(node) & 16384 /* Const */); + } + ts.isConst = isConst; + function isLet(node) { + return !!(getCombinedNodeFlags(node) & 8192 /* Let */); + } + ts.isLet = isLet; + function isSuperCallExpression(n) { + return n.kind === 171 /* CallExpression */ && n.expression.kind === 95 /* SuperKeyword */; + } + ts.isSuperCallExpression = isSuperCallExpression; + function isPrologueDirective(node) { + return node.kind === 198 /* ExpressionStatement */ && node.expression.kind === 9 /* StringLiteral */; + } + ts.isPrologueDirective = isPrologueDirective; + function getLeadingCommentRangesOfNode(node, sourceFileOfNode) { + return ts.getLeadingCommentRanges(sourceFileOfNode.text, node.pos); + } + ts.getLeadingCommentRangesOfNode = getLeadingCommentRangesOfNode; + function getLeadingCommentRangesOfNodeFromText(node, text) { + return ts.getLeadingCommentRanges(text, node.pos); + } + ts.getLeadingCommentRangesOfNodeFromText = getLeadingCommentRangesOfNodeFromText; + function getJsDocComments(node, sourceFileOfNode) { + return getJsDocCommentsFromText(node, sourceFileOfNode.text); + } + ts.getJsDocComments = getJsDocComments; + function getJsDocCommentsFromText(node, text) { + var commentRanges = (node.kind === 139 /* Parameter */ || node.kind === 138 /* TypeParameter */) ? + ts.concatenate(ts.getTrailingCommentRanges(text, node.pos), ts.getLeadingCommentRanges(text, node.pos)) : + getLeadingCommentRangesOfNodeFromText(node, text); + return ts.filter(commentRanges, isJsDocComment); + function isJsDocComment(comment) { + // True if the comment starts with '/**' but not if it is '/**/' + return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 2) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 3) !== 47 /* slash */; + } + } + ts.getJsDocCommentsFromText = getJsDocCommentsFromText; + ts.fullTripleSlashReferencePathRegEx = /^(\/\/\/\s*/; + ts.fullTripleSlashAMDReferencePathRegEx = /^(\/\/\/\s*/; + function isTypeNode(node) { + if (151 /* FirstTypeNode */ <= node.kind && node.kind <= 163 /* LastTypeNode */) { + return true; + } + switch (node.kind) { + case 117 /* AnyKeyword */: + case 128 /* NumberKeyword */: + case 130 /* StringKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + return true; + case 103 /* VoidKeyword */: + return node.parent.kind !== 180 /* VoidExpression */; + case 191 /* ExpressionWithTypeArguments */: + return !isExpressionWithTypeArgumentsInClassExtendsClause(node); + // Identifiers and qualified names may be type nodes, depending on their context. Climb + // above them to find the lowest container + case 69 /* Identifier */: + // If the identifier is the RHS of a qualified name, then it's a type iff its parent is. + if (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) { + node = node.parent; + } + else if (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node) { + node = node.parent; + } + // At this point, node is either a qualified name or an identifier + ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */, "'node' was expected to be a qualified name, identifier or property access in 'isTypeNode'."); + case 136 /* QualifiedName */: + case 169 /* PropertyAccessExpression */: + case 97 /* ThisKeyword */: + var parent_1 = node.parent; + if (parent_1.kind === 155 /* TypeQuery */) { + return false; + } + // Do not recursively call isTypeNode on the parent. In the example: + // + // let a: A.B.C; + // + // Calling isTypeNode would consider the qualified name A.B a type node. Only C or + // A.B.C is a type node. + if (151 /* FirstTypeNode */ <= parent_1.kind && parent_1.kind <= 163 /* LastTypeNode */) { + return true; + } + switch (parent_1.kind) { + case 191 /* ExpressionWithTypeArguments */: + return !isExpressionWithTypeArgumentsInClassExtendsClause(parent_1); + case 138 /* TypeParameter */: + return node === parent_1.constraint; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 139 /* Parameter */: + case 214 /* VariableDeclaration */: + return node === parent_1.type; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 145 /* Constructor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return node === parent_1.type; + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return node === parent_1.type; + case 174 /* TypeAssertionExpression */: + return node === parent_1.type; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return parent_1.typeArguments && ts.indexOf(parent_1.typeArguments, node) >= 0; + case 173 /* TaggedTemplateExpression */: + // TODO (drosen): TaggedTemplateExpressions may eventually support type arguments. + return false; + } + } + return false; + } + ts.isTypeNode = isTypeNode; + // Warning: This has the same semantics as the forEach family of functions, + // in that traversal terminates in the event that 'visitor' supplies a truthy value. + function forEachReturnStatement(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 207 /* ReturnStatement */: + return visitor(node); + case 223 /* CaseBlock */: + case 195 /* Block */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + case 210 /* LabeledStatement */: + case 212 /* TryStatement */: + case 247 /* CatchClause */: + return ts.forEachChild(node, traverse); + } + } + } + ts.forEachReturnStatement = forEachReturnStatement; + function forEachYieldExpression(body, visitor) { + return traverse(body); + function traverse(node) { + switch (node.kind) { + case 187 /* YieldExpression */: + visitor(node); + var operand = node.expression; + if (operand) { + traverse(operand); + } + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // These are not allowed inside a generator now, but eventually they may be allowed + // as local types. Regardless, any yield statements contained within them should be + // skipped in this traversal. + return; + default: + if (isFunctionLike(node)) { + var name_5 = node.name; + if (name_5 && name_5.kind === 137 /* ComputedPropertyName */) { + // Note that we will not include methods/accessors of a class because they would require + // first descending into the class. This is by design. + traverse(name_5.expression); + return; + } + } + else if (!isTypeNode(node)) { + // This is the general case, which should include mostly expressions and statements. + // Also includes NodeArrays. + ts.forEachChild(node, traverse); + } + } + } + } + ts.forEachYieldExpression = forEachYieldExpression; + function isVariableLike(node) { + if (node) { + switch (node.kind) { + case 166 /* BindingElement */: + case 250 /* EnumMember */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 249 /* ShorthandPropertyAssignment */: + case 214 /* VariableDeclaration */: + return true; + } + } + return false; + } + ts.isVariableLike = isVariableLike; + function isAccessor(node) { + return node && (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */); + } + ts.isAccessor = isAccessor; + function isClassLike(node) { + return node && (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */); + } + ts.isClassLike = isClassLike; + function isFunctionLike(node) { + return node && isFunctionLikeKind(node.kind); + } + ts.isFunctionLike = isFunctionLike; + function isFunctionLikeKind(kind) { + switch (kind) { + case 145 /* Constructor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return true; + } + } + ts.isFunctionLikeKind = isFunctionLikeKind; + function introducesArgumentsExoticObject(node) { + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + return true; + } + return false; + } + ts.introducesArgumentsExoticObject = introducesArgumentsExoticObject; + function isIterationStatement(node, lookInLabeledStatements) { + switch (node.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + return true; + case 210 /* LabeledStatement */: + return lookInLabeledStatements && isIterationStatement(node.statement, lookInLabeledStatements); + } + return false; + } + ts.isIterationStatement = isIterationStatement; + function isFunctionBlock(node) { + return node && node.kind === 195 /* Block */ && isFunctionLike(node.parent); + } + ts.isFunctionBlock = isFunctionBlock; + function isObjectLiteralMethod(node) { + return node && node.kind === 144 /* MethodDeclaration */ && node.parent.kind === 168 /* ObjectLiteralExpression */; + } + ts.isObjectLiteralMethod = isObjectLiteralMethod; + function isIdentifierTypePredicate(predicate) { + return predicate && predicate.kind === 1 /* Identifier */; + } + ts.isIdentifierTypePredicate = isIdentifierTypePredicate; + function isThisTypePredicate(predicate) { + return predicate && predicate.kind === 0 /* This */; + } + ts.isThisTypePredicate = isThisTypePredicate; + function getContainingFunction(node) { + while (true) { + node = node.parent; + if (!node || isFunctionLike(node)) { + return node; + } + } + } + ts.getContainingFunction = getContainingFunction; + function getContainingClass(node) { + while (true) { + node = node.parent; + if (!node || isClassLike(node)) { + return node; + } + } + } + ts.getContainingClass = getContainingClass; + function getThisContainer(node, includeArrowFunctions) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 137 /* ComputedPropertyName */: + // If the grandparent node is an object literal (as opposed to a class), + // then the computed property is not a 'this' container. + // A computed property name in a class needs to be a this container + // so that we can error on it. + if (isClassLike(node.parent.parent)) { + return node; + } + // If this is a computed property, then the parent should not + // make it a this container. The parent might be a property + // in an object literal, like a method or accessor. But in order for + // such a parent to be a this container, the reference must be in + // the *body* of the container. + node = node.parent; + break; + case 140 /* Decorator */: + // Decorators are always applied outside of the body of a class or method. + if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { + // If the decorator's parent is a Parameter, we resolve the this container from + // the grandparent class declaration. + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + // If the decorator's parent is a class element, we resolve the 'this' container + // from the parent class declaration. + node = node.parent; + } + break; + case 177 /* ArrowFunction */: + if (!includeArrowFunctions) { + continue; + } + // Fall through + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 221 /* ModuleDeclaration */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 220 /* EnumDeclaration */: + case 251 /* SourceFile */: + return node; + } + } + } + ts.getThisContainer = getThisContainer; + /** + * Given an super call\property node returns a closest node where either + * - super call\property is legal in the node and not legal in the parent node the node. + * i.e. super call is legal in constructor but not legal in the class body. + * - node is arrow function (so caller might need to call getSuperContainer in case it needs to climb higher) + * - super call\property is definitely illegal in the node (but might be legal in some subnode) + * i.e. super property access is illegal in function declaration but can be legal in the statement list + */ + function getSuperContainer(node, stopOnFunctions) { + while (true) { + node = node.parent; + if (!node) { + return node; + } + switch (node.kind) { + case 137 /* ComputedPropertyName */: + node = node.parent; + break; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!stopOnFunctions) { + continue; + } + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return node; + case 140 /* Decorator */: + // Decorators are always applied outside of the body of a class or method. + if (node.parent.kind === 139 /* Parameter */ && isClassElement(node.parent.parent)) { + // If the decorator's parent is a Parameter, we resolve the this container from + // the grandparent class declaration. + node = node.parent.parent; + } + else if (isClassElement(node.parent)) { + // If the decorator's parent is a class element, we resolve the 'this' container + // from the parent class declaration. + node = node.parent; + } + break; + } + } + } + ts.getSuperContainer = getSuperContainer; + /** + * Determines whether a node is a property or element access expression for super. + */ + function isSuperPropertyOrElementAccess(node) { + return (node.kind === 169 /* PropertyAccessExpression */ + || node.kind === 170 /* ElementAccessExpression */) + && node.expression.kind === 95 /* SuperKeyword */; + } + ts.isSuperPropertyOrElementAccess = isSuperPropertyOrElementAccess; + function getEntityNameFromTypeNode(node) { + if (node) { + switch (node.kind) { + case 152 /* TypeReference */: + return node.typeName; + case 191 /* ExpressionWithTypeArguments */: + return node.expression; + case 69 /* Identifier */: + case 136 /* QualifiedName */: + return node; + } + } + return undefined; + } + ts.getEntityNameFromTypeNode = getEntityNameFromTypeNode; + function getInvokedExpression(node) { + if (node.kind === 173 /* TaggedTemplateExpression */) { + return node.tag; + } + // Will either be a CallExpression, NewExpression, or Decorator. + return node.expression; + } + ts.getInvokedExpression = getInvokedExpression; + function nodeCanBeDecorated(node) { + switch (node.kind) { + case 217 /* ClassDeclaration */: + // classes are valid targets + return true; + case 142 /* PropertyDeclaration */: + // property declarations are valid if their parent is a class declaration. + return node.parent.kind === 217 /* ClassDeclaration */; + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 144 /* MethodDeclaration */: + // if this method has a body and its parent is a class declaration, this is a valid target. + return node.body !== undefined + && node.parent.kind === 217 /* ClassDeclaration */; + case 139 /* Parameter */: + // if the parameter's parent has a body and its grandparent is a class declaration, this is a valid target; + return node.parent.body !== undefined + && (node.parent.kind === 145 /* Constructor */ + || node.parent.kind === 144 /* MethodDeclaration */ + || node.parent.kind === 147 /* SetAccessor */) + && node.parent.parent.kind === 217 /* ClassDeclaration */; + } + return false; + } + ts.nodeCanBeDecorated = nodeCanBeDecorated; + function nodeIsDecorated(node) { + return node.decorators !== undefined + && nodeCanBeDecorated(node); + } + ts.nodeIsDecorated = nodeIsDecorated; + function isPropertyAccessExpression(node) { + return node.kind === 169 /* PropertyAccessExpression */; + } + ts.isPropertyAccessExpression = isPropertyAccessExpression; + function isElementAccessExpression(node) { + return node.kind === 170 /* ElementAccessExpression */; + } + ts.isElementAccessExpression = isElementAccessExpression; + function isExpression(node) { + switch (node.kind) { + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + case 10 /* RegularExpressionLiteral */: + case 167 /* ArrayLiteralExpression */: + case 168 /* ObjectLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 173 /* TaggedTemplateExpression */: + case 192 /* AsExpression */: + case 174 /* TypeAssertionExpression */: + case 175 /* ParenthesizedExpression */: + case 176 /* FunctionExpression */: + case 189 /* ClassExpression */: + case 177 /* ArrowFunction */: + case 180 /* VoidExpression */: + case 178 /* DeleteExpression */: + case 179 /* TypeOfExpression */: + case 182 /* PrefixUnaryExpression */: + case 183 /* PostfixUnaryExpression */: + case 184 /* BinaryExpression */: + case 185 /* ConditionalExpression */: + case 188 /* SpreadElementExpression */: + case 186 /* TemplateExpression */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 190 /* OmittedExpression */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 187 /* YieldExpression */: + case 181 /* AwaitExpression */: + return true; + case 136 /* QualifiedName */: + while (node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return node.parent.kind === 155 /* TypeQuery */; + case 69 /* Identifier */: + if (node.parent.kind === 155 /* TypeQuery */) { + return true; + } + // fall through + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 97 /* ThisKeyword */: + var parent_2 = node.parent; + switch (parent_2.kind) { + case 214 /* VariableDeclaration */: + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 250 /* EnumMember */: + case 248 /* PropertyAssignment */: + case 166 /* BindingElement */: + return parent_2.initializer === node; + case 198 /* ExpressionStatement */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 207 /* ReturnStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 211 /* ThrowStatement */: + case 209 /* SwitchStatement */: + return parent_2.expression === node; + case 202 /* ForStatement */: + var forStatement = parent_2; + return (forStatement.initializer === node && forStatement.initializer.kind !== 215 /* VariableDeclarationList */) || + forStatement.condition === node || + forStatement.incrementor === node; + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + var forInStatement = parent_2; + return (forInStatement.initializer === node && forInStatement.initializer.kind !== 215 /* VariableDeclarationList */) || + forInStatement.expression === node; + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return node === parent_2.expression; + case 193 /* TemplateSpan */: + return node === parent_2.expression; + case 137 /* ComputedPropertyName */: + return node === parent_2.expression; + case 140 /* Decorator */: + case 243 /* JsxExpression */: + case 242 /* JsxSpreadAttribute */: + return true; + case 191 /* ExpressionWithTypeArguments */: + return parent_2.expression === node && isExpressionWithTypeArgumentsInClassExtendsClause(parent_2); + default: + if (isExpression(parent_2)) { + return true; + } + } + } + return false; + } + ts.isExpression = isExpression; + function isExternalModuleNameRelative(moduleName) { + // TypeScript 1.0 spec (April 2014): 11.2.1 + // An external module name is "relative" if the first term is "." or "..". + return moduleName.substr(0, 2) === "./" || moduleName.substr(0, 3) === "../" || moduleName.substr(0, 2) === ".\\" || moduleName.substr(0, 3) === "..\\"; + } + ts.isExternalModuleNameRelative = isExternalModuleNameRelative; + function isInstantiatedModule(node, preserveConstEnums) { + var moduleState = ts.getModuleInstanceState(node); + return moduleState === 1 /* Instantiated */ || + (preserveConstEnums && moduleState === 2 /* ConstEnumOnly */); + } + ts.isInstantiatedModule = isInstantiatedModule; + function isExternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind === 235 /* ExternalModuleReference */; + } + ts.isExternalModuleImportEqualsDeclaration = isExternalModuleImportEqualsDeclaration; + function getExternalModuleImportEqualsDeclarationExpression(node) { + ts.Debug.assert(isExternalModuleImportEqualsDeclaration(node)); + return node.moduleReference.expression; + } + ts.getExternalModuleImportEqualsDeclarationExpression = getExternalModuleImportEqualsDeclarationExpression; + function isInternalModuleImportEqualsDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ && node.moduleReference.kind !== 235 /* ExternalModuleReference */; + } + ts.isInternalModuleImportEqualsDeclaration = isInternalModuleImportEqualsDeclaration; + function isSourceFileJavaScript(file) { + return isInJavaScriptFile(file); + } + ts.isSourceFileJavaScript = isSourceFileJavaScript; + function isInJavaScriptFile(node) { + return node && !!(node.parserContextFlags & 32 /* JavaScriptFile */); + } + ts.isInJavaScriptFile = isInJavaScriptFile; + /** + * Returns true if the node is a CallExpression to the identifier 'require' with + * exactly one argument. + * This function does not test if the node is in a JavaScript file or not. + */ + function isRequireCall(expression, checkArgumentIsStringLiteral) { + // of the form 'require("name")' + var isRequire = expression.kind === 171 /* CallExpression */ && + expression.expression.kind === 69 /* Identifier */ && + expression.expression.text === "require" && + expression.arguments.length === 1; + return isRequire && (!checkArgumentIsStringLiteral || expression.arguments[0].kind === 9 /* StringLiteral */); + } + ts.isRequireCall = isRequireCall; + /// Given a BinaryExpression, returns SpecialPropertyAssignmentKind for the various kinds of property + /// assignments we treat as special in the binder + function getSpecialPropertyAssignmentKind(expression) { + if (expression.kind !== 184 /* BinaryExpression */) { + return 0 /* None */; + } + var expr = expression; + if (expr.operatorToken.kind !== 56 /* EqualsToken */ || expr.left.kind !== 169 /* PropertyAccessExpression */) { + return 0 /* None */; + } + var lhs = expr.left; + if (lhs.expression.kind === 69 /* Identifier */) { + var lhsId = lhs.expression; + if (lhsId.text === "exports") { + // exports.name = expr + return 1 /* ExportsProperty */; + } + else if (lhsId.text === "module" && lhs.name.text === "exports") { + // module.exports = expr + return 2 /* ModuleExports */; + } + } + else if (lhs.expression.kind === 97 /* ThisKeyword */) { + return 4 /* ThisProperty */; + } + else if (lhs.expression.kind === 169 /* PropertyAccessExpression */) { + // chained dot, e.g. x.y.z = expr; this var is the 'x.y' part + var innerPropertyAccess = lhs.expression; + if (innerPropertyAccess.expression.kind === 69 /* Identifier */ && innerPropertyAccess.name.text === "prototype") { + return 3 /* PrototypeProperty */; + } + } + return 0 /* None */; + } + ts.getSpecialPropertyAssignmentKind = getSpecialPropertyAssignmentKind; + function getExternalModuleName(node) { + if (node.kind === 225 /* ImportDeclaration */) { + return node.moduleSpecifier; + } + if (node.kind === 224 /* ImportEqualsDeclaration */) { + var reference = node.moduleReference; + if (reference.kind === 235 /* ExternalModuleReference */) { + return reference.expression; + } + } + if (node.kind === 231 /* ExportDeclaration */) { + return node.moduleSpecifier; + } + if (node.kind === 221 /* ModuleDeclaration */ && node.name.kind === 9 /* StringLiteral */) { + return node.name; + } + } + ts.getExternalModuleName = getExternalModuleName; + function hasQuestionToken(node) { + if (node) { + switch (node.kind) { + case 139 /* Parameter */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 249 /* ShorthandPropertyAssignment */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return node.questionToken !== undefined; + } + } + return false; + } + ts.hasQuestionToken = hasQuestionToken; + function isJSDocConstructSignature(node) { + return node.kind === 264 /* JSDocFunctionType */ && + node.parameters.length > 0 && + node.parameters[0].type.kind === 266 /* JSDocConstructorType */; + } + ts.isJSDocConstructSignature = isJSDocConstructSignature; + function getJSDocTag(node, kind, checkParentVariableStatement) { + if (!node) { + return undefined; + } + var jsDocComment = getJSDocComment(node, checkParentVariableStatement); + if (!jsDocComment) { + return undefined; + } + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === kind) { + return tag; + } + } + } + function getJSDocComment(node, checkParentVariableStatement) { + if (node.jsDocComment) { + return node.jsDocComment; + } + // Try to recognize this pattern when node is initializer of variable declaration and JSDoc comments are on containing variable statement. + // /** + // * @param {number} name + // * @returns {number} + // */ + // var x = function(name) { return name.length; } + if (checkParentVariableStatement) { + var isInitializerOfVariableDeclarationInStatement = node.parent.kind === 214 /* VariableDeclaration */ && + node.parent.initializer === node && + node.parent.parent.parent.kind === 196 /* VariableStatement */; + var variableStatementNode = isInitializerOfVariableDeclarationInStatement ? node.parent.parent.parent : undefined; + if (variableStatementNode) { + return variableStatementNode.jsDocComment; + } + // Also recognize when the node is the RHS of an assignment expression + var parent_3 = node.parent; + var isSourceOfAssignmentExpressionStatement = parent_3 && parent_3.parent && + parent_3.kind === 184 /* BinaryExpression */ && + parent_3.operatorToken.kind === 56 /* EqualsToken */ && + parent_3.parent.kind === 198 /* ExpressionStatement */; + if (isSourceOfAssignmentExpressionStatement) { + return parent_3.parent.jsDocComment; + } + var isPropertyAssignmentExpression = parent_3 && parent_3.kind === 248 /* PropertyAssignment */; + if (isPropertyAssignmentExpression) { + return parent_3.jsDocComment; + } + } + return undefined; + } + function getJSDocTypeTag(node) { + return getJSDocTag(node, 272 /* JSDocTypeTag */, /*checkParentVariableStatement*/ false); + } + ts.getJSDocTypeTag = getJSDocTypeTag; + function getJSDocReturnTag(node) { + return getJSDocTag(node, 271 /* JSDocReturnTag */, /*checkParentVariableStatement*/ true); + } + ts.getJSDocReturnTag = getJSDocReturnTag; + function getJSDocTemplateTag(node) { + return getJSDocTag(node, 273 /* JSDocTemplateTag */, /*checkParentVariableStatement*/ false); + } + ts.getJSDocTemplateTag = getJSDocTemplateTag; + function getCorrespondingJSDocParameterTag(parameter) { + if (parameter.name && parameter.name.kind === 69 /* Identifier */) { + // If it's a parameter, see if the parent has a jsdoc comment with an @param + // annotation. + var parameterName = parameter.name.text; + var jsDocComment = getJSDocComment(parameter.parent, /*checkParentVariableStatement*/ true); + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.kind === 270 /* JSDocParameterTag */) { + var parameterTag = tag; + var name_6 = parameterTag.preParameterName || parameterTag.postParameterName; + if (name_6.text === parameterName) { + return parameterTag; + } + } + } + } + } + return undefined; + } + ts.getCorrespondingJSDocParameterTag = getCorrespondingJSDocParameterTag; + function hasRestParameter(s) { + return isRestParameter(ts.lastOrUndefined(s.parameters)); + } + ts.hasRestParameter = hasRestParameter; + function isRestParameter(node) { + if (node) { + if (node.parserContextFlags & 32 /* JavaScriptFile */) { + if (node.type && node.type.kind === 265 /* JSDocVariadicType */) { + return true; + } + var paramTag = getCorrespondingJSDocParameterTag(node); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 265 /* JSDocVariadicType */; + } + } + return node.dotDotDotToken !== undefined; + } + return false; + } + ts.isRestParameter = isRestParameter; + function isLiteralKind(kind) { + return 8 /* FirstLiteralToken */ <= kind && kind <= 11 /* LastLiteralToken */; + } + ts.isLiteralKind = isLiteralKind; + function isTextualLiteralKind(kind) { + return kind === 9 /* StringLiteral */ || kind === 11 /* NoSubstitutionTemplateLiteral */; + } + ts.isTextualLiteralKind = isTextualLiteralKind; + function isTemplateLiteralKind(kind) { + return 11 /* FirstTemplateToken */ <= kind && kind <= 14 /* LastTemplateToken */; + } + ts.isTemplateLiteralKind = isTemplateLiteralKind; + function isBindingPattern(node) { + return !!node && (node.kind === 165 /* ArrayBindingPattern */ || node.kind === 164 /* ObjectBindingPattern */); + } + ts.isBindingPattern = isBindingPattern; + function isNodeDescendentOf(node, ancestor) { + while (node) { + if (node === ancestor) + return true; + node = node.parent; + } + return false; + } + ts.isNodeDescendentOf = isNodeDescendentOf; + function isInAmbientContext(node) { + while (node) { + if (node.flags & (4 /* Ambient */ | 4096 /* DeclarationFile */)) { + return true; + } + node = node.parent; + } + return false; + } + ts.isInAmbientContext = isInAmbientContext; + function isDeclaration(node) { + switch (node.kind) { + case 177 /* ArrowFunction */: + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 145 /* Constructor */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 233 /* ExportSpecifier */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 146 /* GetAccessor */: + case 226 /* ImportClause */: + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 218 /* InterfaceDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 221 /* ModuleDeclaration */: + case 227 /* NamespaceImport */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 147 /* SetAccessor */: + case 249 /* ShorthandPropertyAssignment */: + case 219 /* TypeAliasDeclaration */: + case 138 /* TypeParameter */: + case 214 /* VariableDeclaration */: + return true; + } + return false; + } + ts.isDeclaration = isDeclaration; + function isStatement(n) { + switch (n.kind) { + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + case 213 /* DebuggerStatement */: + case 200 /* DoStatement */: + case 198 /* ExpressionStatement */: + case 197 /* EmptyStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 199 /* IfStatement */: + case 210 /* LabeledStatement */: + case 207 /* ReturnStatement */: + case 209 /* SwitchStatement */: + case 211 /* ThrowStatement */: + case 212 /* TryStatement */: + case 196 /* VariableStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 230 /* ExportAssignment */: + return true; + default: + return false; + } + } + ts.isStatement = isStatement; + function isClassElement(n) { + switch (n.kind) { + case 145 /* Constructor */: + case 142 /* PropertyDeclaration */: + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + return true; + default: + return false; + } + } + ts.isClassElement = isClassElement; + // True if the given identifier, string literal, or number literal is the name of a declaration node + function isDeclarationName(name) { + if (name.kind !== 69 /* Identifier */ && name.kind !== 9 /* StringLiteral */ && name.kind !== 8 /* NumericLiteral */) { + return false; + } + var parent = name.parent; + if (parent.kind === 229 /* ImportSpecifier */ || parent.kind === 233 /* ExportSpecifier */) { + if (parent.propertyName) { + return true; + } + } + if (isDeclaration(parent)) { + return parent.name === name; + } + return false; + } + ts.isDeclarationName = isDeclarationName; + // Return true if the given identifier is classified as an IdentifierName + function isIdentifierName(node) { + var parent = node.parent; + switch (parent.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 250 /* EnumMember */: + case 248 /* PropertyAssignment */: + case 169 /* PropertyAccessExpression */: + // Name in member declaration or property name in property access + return parent.name === node; + case 136 /* QualifiedName */: + // Name on right hand side of dot in a type query + if (parent.right === node) { + while (parent.kind === 136 /* QualifiedName */) { + parent = parent.parent; + } + return parent.kind === 155 /* TypeQuery */; + } + return false; + case 166 /* BindingElement */: + case 229 /* ImportSpecifier */: + // Property name in binding element or import specifier + return parent.propertyName === node; + case 233 /* ExportSpecifier */: + // Any name in an export specifier + return true; + } + return false; + } + ts.isIdentifierName = isIdentifierName; + // An alias symbol is created by one of the following declarations: + // import = ... + // import from ... + // import * as from ... + // import { x as } from ... + // export { x as } from ... + // export = ... + // export default ... + function isAliasSymbolDeclaration(node) { + return node.kind === 224 /* ImportEqualsDeclaration */ || + node.kind === 226 /* ImportClause */ && !!node.name || + node.kind === 227 /* NamespaceImport */ || + node.kind === 229 /* ImportSpecifier */ || + node.kind === 233 /* ExportSpecifier */ || + node.kind === 230 /* ExportAssignment */ && node.expression.kind === 69 /* Identifier */; + } + ts.isAliasSymbolDeclaration = isAliasSymbolDeclaration; + function getClassExtendsHeritageClauseElement(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); + return heritageClause && heritageClause.types.length > 0 ? heritageClause.types[0] : undefined; + } + ts.getClassExtendsHeritageClauseElement = getClassExtendsHeritageClauseElement; + function getClassImplementsHeritageClauseElements(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 106 /* ImplementsKeyword */); + return heritageClause ? heritageClause.types : undefined; + } + ts.getClassImplementsHeritageClauseElements = getClassImplementsHeritageClauseElements; + function getInterfaceBaseTypeNodes(node) { + var heritageClause = getHeritageClause(node.heritageClauses, 83 /* ExtendsKeyword */); + return heritageClause ? heritageClause.types : undefined; + } + ts.getInterfaceBaseTypeNodes = getInterfaceBaseTypeNodes; + function getHeritageClause(clauses, kind) { + if (clauses) { + for (var _i = 0, clauses_1 = clauses; _i < clauses_1.length; _i++) { + var clause = clauses_1[_i]; + if (clause.token === kind) { + return clause; + } + } + } + return undefined; + } + ts.getHeritageClause = getHeritageClause; + function tryResolveScriptReference(host, sourceFile, reference) { + if (!host.getCompilerOptions().noResolve) { + var referenceFileName = ts.isRootedDiskPath(reference.fileName) ? reference.fileName : ts.combinePaths(ts.getDirectoryPath(sourceFile.fileName), reference.fileName); + return host.getSourceFile(referenceFileName); + } + } + ts.tryResolveScriptReference = tryResolveScriptReference; + function getAncestor(node, kind) { + while (node) { + if (node.kind === kind) { + return node; + } + node = node.parent; + } + return undefined; + } + ts.getAncestor = getAncestor; + function getFileReferenceFromReferencePath(comment, commentRange) { + var simpleReferenceRegEx = /^\/\/\/\s*/gim; + if (simpleReferenceRegEx.test(comment)) { + if (isNoDefaultLibRegEx.test(comment)) { + return { + isNoDefaultLib: true + }; + } + else { + var matchResult = ts.fullTripleSlashReferencePathRegEx.exec(comment); + if (matchResult) { + var start = commentRange.pos; + var end = commentRange.end; + return { + fileReference: { + pos: start, + end: end, + fileName: matchResult[3] + }, + isNoDefaultLib: false + }; + } + else { + return { + diagnosticMessage: ts.Diagnostics.Invalid_reference_directive_syntax, + isNoDefaultLib: false + }; + } + } + } + return undefined; + } + ts.getFileReferenceFromReferencePath = getFileReferenceFromReferencePath; + function isKeyword(token) { + return 70 /* FirstKeyword */ <= token && token <= 135 /* LastKeyword */; + } + ts.isKeyword = isKeyword; + function isTrivia(token) { + return 2 /* FirstTriviaToken */ <= token && token <= 7 /* LastTriviaToken */; + } + ts.isTrivia = isTrivia; + function isAsyncFunctionLike(node) { + return isFunctionLike(node) && (node.flags & 256 /* Async */) !== 0 && !isAccessor(node); + } + ts.isAsyncFunctionLike = isAsyncFunctionLike; + function isStringOrNumericLiteral(kind) { + return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */; + } + ts.isStringOrNumericLiteral = isStringOrNumericLiteral; + /** + * A declaration has a dynamic name if both of the following are true: + * 1. The declaration has a computed property name + * 2. The computed name is *not* expressed as Symbol., where name + * is a property of the Symbol constructor that denotes a built in + * Symbol. + */ + function hasDynamicName(declaration) { + return declaration.name && isDynamicName(declaration.name); + } + ts.hasDynamicName = hasDynamicName; + function isDynamicName(name) { + return name.kind === 137 /* ComputedPropertyName */ && + !isStringOrNumericLiteral(name.expression.kind) && + !isWellKnownSymbolSyntactically(name.expression); + } + ts.isDynamicName = isDynamicName; + /** + * Checks if the expression is of the form: + * Symbol.name + * where Symbol is literally the word "Symbol", and name is any identifierName + */ + function isWellKnownSymbolSyntactically(node) { + return isPropertyAccessExpression(node) && isESSymbolIdentifier(node.expression); + } + ts.isWellKnownSymbolSyntactically = isWellKnownSymbolSyntactically; + function getPropertyNameForPropertyNameNode(name) { + if (name.kind === 69 /* Identifier */ || name.kind === 9 /* StringLiteral */ || name.kind === 8 /* NumericLiteral */) { + return name.text; + } + if (name.kind === 137 /* ComputedPropertyName */) { + var nameExpression = name.expression; + if (isWellKnownSymbolSyntactically(nameExpression)) { + var rightHandSideName = nameExpression.name.text; + return getPropertyNameForKnownSymbolName(rightHandSideName); + } + } + return undefined; + } + ts.getPropertyNameForPropertyNameNode = getPropertyNameForPropertyNameNode; + function getPropertyNameForKnownSymbolName(symbolName) { + return "__@" + symbolName; + } + ts.getPropertyNameForKnownSymbolName = getPropertyNameForKnownSymbolName; + /** + * Includes the word "Symbol" with unicode escapes + */ + function isESSymbolIdentifier(node) { + return node.kind === 69 /* Identifier */ && node.text === "Symbol"; + } + ts.isESSymbolIdentifier = isESSymbolIdentifier; + function isModifierKind(token) { + switch (token) { + case 115 /* AbstractKeyword */: + case 118 /* AsyncKeyword */: + case 74 /* ConstKeyword */: + case 122 /* DeclareKeyword */: + case 77 /* DefaultKeyword */: + case 82 /* ExportKeyword */: + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + return true; + } + return false; + } + ts.isModifierKind = isModifierKind; + function isParameterDeclaration(node) { + var root = getRootDeclaration(node); + return root.kind === 139 /* Parameter */; + } + ts.isParameterDeclaration = isParameterDeclaration; + function getRootDeclaration(node) { + while (node.kind === 166 /* BindingElement */) { + node = node.parent.parent; + } + return node; + } + ts.getRootDeclaration = getRootDeclaration; + function nodeStartsNewLexicalEnvironment(n) { + return isFunctionLike(n) || n.kind === 221 /* ModuleDeclaration */ || n.kind === 251 /* SourceFile */; + } + ts.nodeStartsNewLexicalEnvironment = nodeStartsNewLexicalEnvironment; + /** + * Creates a shallow, memberwise clone of a node. The "kind", "pos", "end", "flags", and "parent" + * properties are excluded by default, and can be provided via the "location", "flags", and + * "parent" parameters. + * @param node The node to clone. + * @param location An optional TextRange to use to supply the new position. + * @param flags The NodeFlags to use for the cloned node. + * @param parent The parent for the new node. + */ + function cloneNode(node, location, flags, parent) { + // We don't use "clone" from core.ts here, as we need to preserve the prototype chain of + // the original node. We also need to exclude specific properties and only include own- + // properties (to skip members already defined on the shared prototype). + var clone = location !== undefined + ? ts.createNode(node.kind, location.pos, location.end) + : createSynthesizedNode(node.kind); + for (var key in node) { + if (clone.hasOwnProperty(key) || !node.hasOwnProperty(key)) { + continue; + } + clone[key] = node[key]; + } + if (flags !== undefined) { + clone.flags = flags; + } + if (parent !== undefined) { + clone.parent = parent; + } + return clone; + } + ts.cloneNode = cloneNode; + /** + * Creates a deep clone of an EntityName, with new parent pointers. + * @param node The EntityName to clone. + * @param parent The parent for the cloned node. + */ + function cloneEntityName(node, parent) { + var clone = cloneNode(node, node, node.flags, parent); + if (isQualifiedName(clone)) { + var left = clone.left, right = clone.right; + clone.left = cloneEntityName(left, clone); + clone.right = cloneNode(right, right, right.flags, parent); + } + return clone; + } + ts.cloneEntityName = cloneEntityName; + function isQualifiedName(node) { + return node.kind === 136 /* QualifiedName */; + } + ts.isQualifiedName = isQualifiedName; + function nodeIsSynthesized(node) { + return node.pos === -1; + } + ts.nodeIsSynthesized = nodeIsSynthesized; + function createSynthesizedNode(kind, startsOnNewLine) { + var node = ts.createNode(kind, /* pos */ -1, /* end */ -1); + node.startsOnNewLine = startsOnNewLine; + return node; + } + ts.createSynthesizedNode = createSynthesizedNode; + function createSynthesizedNodeArray() { + var array = []; + array.pos = -1; + array.end = -1; + return array; + } + ts.createSynthesizedNodeArray = createSynthesizedNodeArray; + function createDiagnosticCollection() { + var nonFileDiagnostics = []; + var fileDiagnostics = {}; + var diagnosticsModified = false; + var modificationCount = 0; + return { + add: add, + getGlobalDiagnostics: getGlobalDiagnostics, + getDiagnostics: getDiagnostics, + getModificationCount: getModificationCount, + reattachFileDiagnostics: reattachFileDiagnostics + }; + function getModificationCount() { + return modificationCount; + } + function reattachFileDiagnostics(newFile) { + if (!ts.hasProperty(fileDiagnostics, newFile.fileName)) { + return; + } + for (var _i = 0, _a = fileDiagnostics[newFile.fileName]; _i < _a.length; _i++) { + var diagnostic = _a[_i]; + diagnostic.file = newFile; + } + } + function add(diagnostic) { + var diagnostics; + if (diagnostic.file) { + diagnostics = fileDiagnostics[diagnostic.file.fileName]; + if (!diagnostics) { + diagnostics = []; + fileDiagnostics[diagnostic.file.fileName] = diagnostics; + } + } + else { + diagnostics = nonFileDiagnostics; + } + diagnostics.push(diagnostic); + diagnosticsModified = true; + modificationCount++; + } + function getGlobalDiagnostics() { + sortAndDeduplicate(); + return nonFileDiagnostics; + } + function getDiagnostics(fileName) { + sortAndDeduplicate(); + if (fileName) { + return fileDiagnostics[fileName] || []; + } + var allDiagnostics = []; + function pushDiagnostic(d) { + allDiagnostics.push(d); + } + ts.forEach(nonFileDiagnostics, pushDiagnostic); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + ts.forEach(fileDiagnostics[key], pushDiagnostic); + } + } + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function sortAndDeduplicate() { + if (!diagnosticsModified) { + return; + } + diagnosticsModified = false; + nonFileDiagnostics = ts.sortAndDeduplicateDiagnostics(nonFileDiagnostics); + for (var key in fileDiagnostics) { + if (ts.hasProperty(fileDiagnostics, key)) { + fileDiagnostics[key] = ts.sortAndDeduplicateDiagnostics(fileDiagnostics[key]); + } + } + } + } + ts.createDiagnosticCollection = createDiagnosticCollection; + // This consists of the first 19 unprintable ASCII characters, canonical escapes, lineSeparator, + // paragraphSeparator, and nextLine. The latter three are just desirable to suppress new lines in + // the language service. These characters should be escaped when printing, and if any characters are added, + // the map below must be updated. Note that this regexp *does not* include the 'delete' character. + // There is no reason for this other than that JSON.stringify does not handle it either. + var escapedCharsRegExp = /[\\\"\u0000-\u001f\t\v\f\b\r\n\u2028\u2029\u0085]/g; + var escapedCharsMap = { + "\0": "\\0", + "\t": "\\t", + "\v": "\\v", + "\f": "\\f", + "\b": "\\b", + "\r": "\\r", + "\n": "\\n", + "\\": "\\\\", + "\"": "\\\"", + "\u2028": "\\u2028", + "\u2029": "\\u2029", + "\u0085": "\\u0085" // nextLine + }; + /** + * Based heavily on the abstract 'Quote'/'QuoteJSONString' operation from ECMA-262 (24.3.2.2), + * but augmented for a few select characters (e.g. lineSeparator, paragraphSeparator, nextLine) + * Note that this doesn't actually wrap the input in double quotes. + */ + function escapeString(s) { + s = escapedCharsRegExp.test(s) ? s.replace(escapedCharsRegExp, getReplacement) : s; + return s; + function getReplacement(c) { + return escapedCharsMap[c] || get16BitUnicodeEscapeSequence(c.charCodeAt(0)); + } + } + ts.escapeString = escapeString; + function isIntrinsicJsxName(name) { + var ch = name.substr(0, 1); + return ch.toLowerCase() === ch; + } + ts.isIntrinsicJsxName = isIntrinsicJsxName; + function get16BitUnicodeEscapeSequence(charCode) { + var hexCharCode = charCode.toString(16).toUpperCase(); + var paddedHexCode = ("0000" + hexCharCode).slice(-4); + return "\\u" + paddedHexCode; + } + var nonAsciiCharacters = /[^\u0000-\u007F]/g; + function escapeNonAsciiCharacters(s) { + // Replace non-ASCII characters with '\uNNNN' escapes if any exist. + // Otherwise just return the original string. + return nonAsciiCharacters.test(s) ? + s.replace(nonAsciiCharacters, function (c) { return get16BitUnicodeEscapeSequence(c.charCodeAt(0)); }) : + s; + } + ts.escapeNonAsciiCharacters = escapeNonAsciiCharacters; + var indentStrings = ["", " "]; + function getIndentString(level) { + if (indentStrings[level] === undefined) { + indentStrings[level] = getIndentString(level - 1) + indentStrings[1]; + } + return indentStrings[level]; + } + ts.getIndentString = getIndentString; + function getIndentSize() { + return indentStrings[1].length; + } + ts.getIndentSize = getIndentSize; + function createTextWriter(newLine) { + var output; + var indent; + var lineStart; + var lineCount; + var linePos; + function write(s) { + if (s && s.length) { + if (lineStart) { + output += getIndentString(indent); + lineStart = false; + } + output += s; + } + } + function reset() { + output = ""; + indent = 0; + lineStart = true; + lineCount = 0; + linePos = 0; + } + function rawWrite(s) { + if (s !== undefined) { + if (lineStart) { + lineStart = false; + } + output += s; + } + } + function writeLiteral(s) { + if (s && s.length) { + write(s); + var lineStartsOfS = ts.computeLineStarts(s); + if (lineStartsOfS.length > 1) { + lineCount = lineCount + lineStartsOfS.length - 1; + linePos = output.length - s.length + ts.lastOrUndefined(lineStartsOfS); + } + } + } + function writeLine() { + if (!lineStart) { + output += newLine; + lineCount++; + linePos = output.length; + lineStart = true; + } + } + function writeTextOfNode(text, node) { + write(getTextOfNodeFromSourceText(text, node)); + } + reset(); + return { + write: write, + rawWrite: rawWrite, + writeTextOfNode: writeTextOfNode, + writeLiteral: writeLiteral, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + getIndent: function () { return indent; }, + getTextPos: function () { return output.length; }, + getLine: function () { return lineCount + 1; }, + getColumn: function () { return lineStart ? indent * getIndentSize() + 1 : output.length - linePos + 1; }, + getText: function () { return output; }, + reset: reset + }; + } + ts.createTextWriter = createTextWriter; + /** + * Resolves a local path to a path which is absolute to the base of the emit + */ + function getExternalModuleNameFromPath(host, fileName) { + var getCanonicalFileName = function (f) { return host.getCanonicalFileName(f); }; + var dir = ts.toPath(host.getCommonSourceDirectory(), host.getCurrentDirectory(), getCanonicalFileName); + var filePath = ts.getNormalizedAbsolutePath(fileName, host.getCurrentDirectory()); + var relativePath = ts.getRelativePathToDirectoryOrUrl(dir, filePath, dir, getCanonicalFileName, /*isAbsolutePathAnUrl*/ false); + return ts.removeFileExtension(relativePath); + } + ts.getExternalModuleNameFromPath = getExternalModuleNameFromPath; + function getOwnEmitOutputFilePath(sourceFile, host, extension) { + var compilerOptions = host.getCompilerOptions(); + var emitOutputFilePathWithoutExtension; + if (compilerOptions.outDir) { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(getSourceFilePathInNewDir(sourceFile, host, compilerOptions.outDir)); + } + else { + emitOutputFilePathWithoutExtension = ts.removeFileExtension(sourceFile.fileName); + } + return emitOutputFilePathWithoutExtension + extension; + } + ts.getOwnEmitOutputFilePath = getOwnEmitOutputFilePath; + function getEmitScriptTarget(compilerOptions) { + return compilerOptions.target || 0 /* ES3 */; + } + ts.getEmitScriptTarget = getEmitScriptTarget; + function getEmitModuleKind(compilerOptions) { + return typeof compilerOptions.module === "number" ? + compilerOptions.module : + getEmitScriptTarget(compilerOptions) === 2 /* ES6 */ ? 5 /* ES6 */ : 1 /* CommonJS */; + } + ts.getEmitModuleKind = getEmitModuleKind; + function forEachExpectedEmitFile(host, action, targetSourceFile) { + var options = host.getCompilerOptions(); + // Emit on each source file + if (options.outFile || options.out) { + onBundledEmit(host); + } + else { + var sourceFiles = targetSourceFile === undefined ? host.getSourceFiles() : [targetSourceFile]; + for (var _i = 0, sourceFiles_1 = sourceFiles; _i < sourceFiles_1.length; _i++) { + var sourceFile = sourceFiles_1[_i]; + if (!isDeclarationFile(sourceFile)) { + onSingleFileEmit(host, sourceFile); + } + } + } + function onSingleFileEmit(host, sourceFile) { + // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also. + // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve. + // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve + var extension = ".js"; + if (options.jsx === 1 /* Preserve */) { + if (isSourceFileJavaScript(sourceFile)) { + if (ts.fileExtensionIs(sourceFile.fileName, ".jsx")) { + extension = ".jsx"; + } + } + else if (sourceFile.languageVariant === 1 /* JSX */) { + // TypeScript source file preserving JSX syntax + extension = ".jsx"; + } + } + var jsFilePath = getOwnEmitOutputFilePath(sourceFile, host, extension); + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: !isSourceFileJavaScript(sourceFile) ? getDeclarationEmitFilePath(jsFilePath, options) : undefined + }; + action(emitFileNames, [sourceFile], /*isBundledEmit*/ false); + } + function onBundledEmit(host) { + // Can emit only sources that are not declaration file and are either non module code or module with --module or --target es6 specified + var bundledSources = ts.filter(host.getSourceFiles(), function (sourceFile) { return !isDeclarationFile(sourceFile) && + (!isExternalModule(sourceFile) || + (getEmitModuleKind(options) && isExternalModule(sourceFile))); }); // module that can emit - note falsy value from getEmitModuleKind means the module kind that shouldn't be emitted + if (bundledSources.length) { + var jsFilePath = options.outFile || options.out; + var emitFileNames = { + jsFilePath: jsFilePath, + sourceMapFilePath: getSourceMapFilePath(jsFilePath, options), + declarationFilePath: getDeclarationEmitFilePath(jsFilePath, options) + }; + action(emitFileNames, bundledSources, /*isBundledEmit*/ true); + } + } + function getSourceMapFilePath(jsFilePath, options) { + return options.sourceMap ? jsFilePath + ".map" : undefined; + } + function getDeclarationEmitFilePath(jsFilePath, options) { + return options.declaration ? ts.removeFileExtension(jsFilePath) + ".d.ts" : undefined; + } + } + ts.forEachExpectedEmitFile = forEachExpectedEmitFile; + function getSourceFilePathInNewDir(sourceFile, host, newDirPath) { + var sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, host.getCurrentDirectory()); + sourceFilePath = sourceFilePath.replace(host.getCommonSourceDirectory(), ""); + return ts.combinePaths(newDirPath, sourceFilePath); + } + ts.getSourceFilePathInNewDir = getSourceFilePathInNewDir; + function writeFile(host, diagnostics, fileName, data, writeByteOrderMark) { + host.writeFile(fileName, data, writeByteOrderMark, function (hostErrorMessage) { + diagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Could_not_write_file_0_Colon_1, fileName, hostErrorMessage)); + }); + } + ts.writeFile = writeFile; + function getLineOfLocalPosition(currentSourceFile, pos) { + return ts.getLineAndCharacterOfPosition(currentSourceFile, pos).line; + } + ts.getLineOfLocalPosition = getLineOfLocalPosition; + function getLineOfLocalPositionFromLineMap(lineMap, pos) { + return ts.computeLineAndCharacterOfPosition(lineMap, pos).line; + } + ts.getLineOfLocalPositionFromLineMap = getLineOfLocalPositionFromLineMap; + function getFirstConstructorWithBody(node) { + return ts.forEach(node.members, function (member) { + if (member.kind === 145 /* Constructor */ && nodeIsPresent(member.body)) { + return member; + } + }); + } + ts.getFirstConstructorWithBody = getFirstConstructorWithBody; + function getSetAccessorTypeAnnotationNode(accessor) { + return accessor && accessor.parameters.length > 0 && accessor.parameters[0].type; + } + ts.getSetAccessorTypeAnnotationNode = getSetAccessorTypeAnnotationNode; + function getAllAccessorDeclarations(declarations, accessor) { + var firstAccessor; + var secondAccessor; + var getAccessor; + var setAccessor; + if (hasDynamicName(accessor)) { + firstAccessor = accessor; + if (accessor.kind === 146 /* GetAccessor */) { + getAccessor = accessor; + } + else if (accessor.kind === 147 /* SetAccessor */) { + setAccessor = accessor; + } + else { + ts.Debug.fail("Accessor has wrong kind"); + } + } + else { + ts.forEach(declarations, function (member) { + if ((member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) + && (member.flags & 64 /* Static */) === (accessor.flags & 64 /* Static */)) { + var memberName = getPropertyNameForPropertyNameNode(member.name); + var accessorName = getPropertyNameForPropertyNameNode(accessor.name); + if (memberName === accessorName) { + if (!firstAccessor) { + firstAccessor = member; + } + else if (!secondAccessor) { + secondAccessor = member; + } + if (member.kind === 146 /* GetAccessor */ && !getAccessor) { + getAccessor = member; + } + if (member.kind === 147 /* SetAccessor */ && !setAccessor) { + setAccessor = member; + } + } + } + }); + } + return { + firstAccessor: firstAccessor, + secondAccessor: secondAccessor, + getAccessor: getAccessor, + setAccessor: setAccessor + }; + } + ts.getAllAccessorDeclarations = getAllAccessorDeclarations; + function emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments) { + // If the leading comments start on different line than the start of node, write new line + if (leadingComments && leadingComments.length && node.pos !== leadingComments[0].pos && + getLineOfLocalPositionFromLineMap(lineMap, node.pos) !== getLineOfLocalPositionFromLineMap(lineMap, leadingComments[0].pos)) { + writer.writeLine(); + } + } + ts.emitNewLineBeforeLeadingComments = emitNewLineBeforeLeadingComments; + function emitComments(text, lineMap, writer, comments, trailingSeparator, newLine, writeComment) { + var emitLeadingSpace = !trailingSeparator; + ts.forEach(comments, function (comment) { + if (emitLeadingSpace) { + writer.write(" "); + emitLeadingSpace = false; + } + writeComment(text, lineMap, writer, comment, newLine); + if (comment.hasTrailingNewLine) { + writer.writeLine(); + } + else if (trailingSeparator) { + writer.write(" "); + } + else { + // Emit leading space to separate comment during next comment emit + emitLeadingSpace = true; + } + }); + } + ts.emitComments = emitComments; + /** + * Detached comment is a comment at the top of file or function body that is separated from + * the next statement by space. + */ + function emitDetachedComments(text, lineMap, writer, writeComment, node, newLine, removeComments) { + var leadingComments; + var currentDetachedCommentInfo; + if (removeComments) { + // removeComments is true, only reserve pinned comment at the top of file + // For example: + // /*! Pinned Comment */ + // + // var x = 10; + if (node.pos === 0) { + leadingComments = ts.filter(ts.getLeadingCommentRanges(text, node.pos), isPinnedComment); + } + } + else { + // removeComments is false, just get detached as normal and bypass the process to filter comment + leadingComments = ts.getLeadingCommentRanges(text, node.pos); + } + if (leadingComments) { + var detachedComments = []; + var lastComment = void 0; + for (var _i = 0, leadingComments_1 = leadingComments; _i < leadingComments_1.length; _i++) { + var comment = leadingComments_1[_i]; + if (lastComment) { + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, lastComment.end); + var commentLine = getLineOfLocalPositionFromLineMap(lineMap, comment.pos); + if (commentLine >= lastCommentLine + 2) { + // There was a blank line between the last comment and this comment. This + // comment is not part of the copyright comments. Return what we have so + // far. + break; + } + } + detachedComments.push(comment); + lastComment = comment; + } + if (detachedComments.length) { + // All comments look like they could have been part of the copyright header. Make + // sure there is at least one blank line between it and the node. If not, it's not + // a copyright header. + var lastCommentLine = getLineOfLocalPositionFromLineMap(lineMap, ts.lastOrUndefined(detachedComments).end); + var nodeLine = getLineOfLocalPositionFromLineMap(lineMap, ts.skipTrivia(text, node.pos)); + if (nodeLine >= lastCommentLine + 2) { + // Valid detachedComments + emitNewLineBeforeLeadingComments(lineMap, writer, node, leadingComments); + emitComments(text, lineMap, writer, detachedComments, /*trailingSeparator*/ true, newLine, writeComment); + currentDetachedCommentInfo = { nodePos: node.pos, detachedCommentEndPos: ts.lastOrUndefined(detachedComments).end }; + } + } + } + return currentDetachedCommentInfo; + function isPinnedComment(comment) { + return text.charCodeAt(comment.pos + 1) === 42 /* asterisk */ && + text.charCodeAt(comment.pos + 2) === 33 /* exclamation */; + } + } + ts.emitDetachedComments = emitDetachedComments; + function writeCommentRange(text, lineMap, writer, comment, newLine) { + if (text.charCodeAt(comment.pos + 1) === 42 /* asterisk */) { + var firstCommentLineAndCharacter = ts.computeLineAndCharacterOfPosition(lineMap, comment.pos); + var lineCount = lineMap.length; + var firstCommentLineIndent = void 0; + for (var pos = comment.pos, currentLine = firstCommentLineAndCharacter.line; pos < comment.end; currentLine++) { + var nextLineStart = (currentLine + 1) === lineCount + ? text.length + 1 + : lineMap[currentLine + 1]; + if (pos !== comment.pos) { + // If we are not emitting first line, we need to write the spaces to adjust the alignment + if (firstCommentLineIndent === undefined) { + firstCommentLineIndent = calculateIndent(text, lineMap[firstCommentLineAndCharacter.line], comment.pos); + } + // These are number of spaces writer is going to write at current indent + var currentWriterIndentSpacing = writer.getIndent() * getIndentSize(); + // Number of spaces we want to be writing + // eg: Assume writer indent + // module m { + // /* starts at character 9 this is line 1 + // * starts at character pos 4 line --1 = 8 - 8 + 3 + // More left indented comment */ --2 = 8 - 8 + 2 + // class c { } + // } + // module m { + // /* this is line 1 -- Assume current writer indent 8 + // * line --3 = 8 - 4 + 5 + // More right indented comment */ --4 = 8 - 4 + 11 + // class c { } + // } + var spacesToEmit = currentWriterIndentSpacing - firstCommentLineIndent + calculateIndent(text, pos, nextLineStart); + if (spacesToEmit > 0) { + var numberOfSingleSpacesToEmit = spacesToEmit % getIndentSize(); + var indentSizeSpaceString = getIndentString((spacesToEmit - numberOfSingleSpacesToEmit) / getIndentSize()); + // Write indent size string ( in eg 1: = "", 2: "" , 3: string with 8 spaces 4: string with 12 spaces + writer.rawWrite(indentSizeSpaceString); + // Emit the single spaces (in eg: 1: 3 spaces, 2: 2 spaces, 3: 1 space, 4: 3 spaces) + while (numberOfSingleSpacesToEmit) { + writer.rawWrite(" "); + numberOfSingleSpacesToEmit--; + } + } + else { + // No spaces to emit write empty string + writer.rawWrite(""); + } + } + // Write the comment line text + writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart); + pos = nextLineStart; + } + } + else { + // Single line comment of style //.... + writer.write(text.substring(comment.pos, comment.end)); + } + } + ts.writeCommentRange = writeCommentRange; + function writeTrimmedCurrentLine(text, comment, writer, newLine, pos, nextLineStart) { + var end = Math.min(comment.end, nextLineStart - 1); + var currentLineText = text.substring(pos, end).replace(/^\s+|\s+$/g, ""); + if (currentLineText) { + // trimmed forward and ending spaces text + writer.write(currentLineText); + if (end !== comment.end) { + writer.writeLine(); + } + } + else { + // Empty string - make sure we write empty line + writer.writeLiteral(newLine); + } + } + function calculateIndent(text, pos, end) { + var currentLineIndent = 0; + for (; pos < end && ts.isWhiteSpace(text.charCodeAt(pos)); pos++) { + if (text.charCodeAt(pos) === 9 /* tab */) { + // Tabs = TabSize = indent size and go to next tabStop + currentLineIndent += getIndentSize() - (currentLineIndent % getIndentSize()); + } + else { + // Single space + currentLineIndent++; + } + } + return currentLineIndent; + } + function modifierToFlag(token) { + switch (token) { + case 113 /* StaticKeyword */: return 64 /* Static */; + case 112 /* PublicKeyword */: return 8 /* Public */; + case 111 /* ProtectedKeyword */: return 32 /* Protected */; + case 110 /* PrivateKeyword */: return 16 /* Private */; + case 115 /* AbstractKeyword */: return 128 /* Abstract */; + case 82 /* ExportKeyword */: return 2 /* Export */; + case 122 /* DeclareKeyword */: return 4 /* Ambient */; + case 74 /* ConstKeyword */: return 16384 /* Const */; + case 77 /* DefaultKeyword */: return 512 /* Default */; + case 118 /* AsyncKeyword */: return 256 /* Async */; + } + return 0; + } + ts.modifierToFlag = modifierToFlag; + function isLeftHandSideExpression(expr) { + if (expr) { + switch (expr.kind) { + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 172 /* NewExpression */: + case 171 /* CallExpression */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 173 /* TaggedTemplateExpression */: + case 167 /* ArrayLiteralExpression */: + case 175 /* ParenthesizedExpression */: + case 168 /* ObjectLiteralExpression */: + case 189 /* ClassExpression */: + case 176 /* FunctionExpression */: + case 69 /* Identifier */: + case 10 /* RegularExpressionLiteral */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 186 /* TemplateExpression */: + case 84 /* FalseKeyword */: + case 93 /* NullKeyword */: + case 97 /* ThisKeyword */: + case 99 /* TrueKeyword */: + case 95 /* SuperKeyword */: + return true; + } + } + return false; + } + ts.isLeftHandSideExpression = isLeftHandSideExpression; + function isAssignmentOperator(token) { + return token >= 56 /* FirstAssignment */ && token <= 68 /* LastAssignment */; + } + ts.isAssignmentOperator = isAssignmentOperator; + function isExpressionWithTypeArgumentsInClassExtendsClause(node) { + return node.kind === 191 /* ExpressionWithTypeArguments */ && + node.parent.token === 83 /* ExtendsKeyword */ && + isClassLike(node.parent.parent); + } + ts.isExpressionWithTypeArgumentsInClassExtendsClause = isExpressionWithTypeArgumentsInClassExtendsClause; + // Returns false if this heritage clause element's expression contains something unsupported + // (i.e. not a name or dotted name). + function isSupportedExpressionWithTypeArguments(node) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + ts.isSupportedExpressionWithTypeArguments = isSupportedExpressionWithTypeArguments; + function isSupportedExpressionWithTypeArgumentsRest(node) { + if (node.kind === 69 /* Identifier */) { + return true; + } + else if (isPropertyAccessExpression(node)) { + return isSupportedExpressionWithTypeArgumentsRest(node.expression); + } + else { + return false; + } + } + function isRightSideOfQualifiedNameOrPropertyAccess(node) { + return (node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node) || + (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node); + } + ts.isRightSideOfQualifiedNameOrPropertyAccess = isRightSideOfQualifiedNameOrPropertyAccess; + function isEmptyObjectLiteralOrArrayLiteral(expression) { + var kind = expression.kind; + if (kind === 168 /* ObjectLiteralExpression */) { + return expression.properties.length === 0; + } + if (kind === 167 /* ArrayLiteralExpression */) { + return expression.elements.length === 0; + } + return false; + } + ts.isEmptyObjectLiteralOrArrayLiteral = isEmptyObjectLiteralOrArrayLiteral; + function getLocalSymbolForExportDefault(symbol) { + return symbol && symbol.valueDeclaration && (symbol.valueDeclaration.flags & 512 /* Default */) ? symbol.valueDeclaration.localSymbol : undefined; + } + ts.getLocalSymbolForExportDefault = getLocalSymbolForExportDefault; + function hasJavaScriptFileExtension(fileName) { + return ts.forEach(ts.supportedJavascriptExtensions, function (extension) { return ts.fileExtensionIs(fileName, extension); }); + } + ts.hasJavaScriptFileExtension = hasJavaScriptFileExtension; + /** + * Replace each instance of non-ascii characters by one, two, three, or four escape sequences + * representing the UTF-8 encoding of the character, and return the expanded char code list. + */ + function getExpandedCharCodes(input) { + var output = []; + var length = input.length; + for (var i = 0; i < length; i++) { + var charCode = input.charCodeAt(i); + // handel utf8 + if (charCode < 0x80) { + output.push(charCode); + } + else if (charCode < 0x800) { + output.push((charCode >> 6) | 192); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x10000) { + output.push((charCode >> 12) | 224); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else if (charCode < 0x20000) { + output.push((charCode >> 18) | 240); + output.push(((charCode >> 12) & 63) | 128); + output.push(((charCode >> 6) & 63) | 128); + output.push((charCode & 63) | 128); + } + else { + ts.Debug.assert(false, "Unexpected code point"); + } + } + return output; + } + /** + * Serialize an object graph into a JSON string. This is intended only for use on an acyclic graph + * as the fallback implementation does not check for circular references by default. + */ + ts.stringify = typeof JSON !== "undefined" && JSON.stringify + ? JSON.stringify + : stringifyFallback; + /** + * Serialize an object graph into a JSON string. + */ + function stringifyFallback(value) { + // JSON.stringify returns `undefined` here, instead of the string "undefined". + return value === undefined ? undefined : stringifyValue(value); + } + function stringifyValue(value) { + return typeof value === "string" ? "\"" + escapeString(value) + "\"" + : typeof value === "number" ? isFinite(value) ? String(value) : "null" + : typeof value === "boolean" ? value ? "true" : "false" + : typeof value === "object" && value ? ts.isArray(value) ? cycleCheck(stringifyArray, value) : cycleCheck(stringifyObject, value) + : "null"; + } + function cycleCheck(cb, value) { + ts.Debug.assert(!value.hasOwnProperty("__cycle"), "Converting circular structure to JSON"); + value.__cycle = true; + var result = cb(value); + delete value.__cycle; + return result; + } + function stringifyArray(value) { + return "[" + ts.reduceLeft(value, stringifyElement, "") + "]"; + } + function stringifyElement(memo, value) { + return (memo ? memo + "," : memo) + stringifyValue(value); + } + function stringifyObject(value) { + return "{" + ts.reduceProperties(value, stringifyProperty, "") + "}"; + } + function stringifyProperty(memo, value, key) { + return value === undefined || typeof value === "function" || key === "__cycle" ? memo + : (memo ? memo + "," : memo) + ("\"" + escapeString(key) + "\":" + stringifyValue(value)); + } + var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + /** + * Converts a string to a base-64 encoded ASCII string. + */ + function convertToBase64(input) { + var result = ""; + var charCodes = getExpandedCharCodes(input); + var i = 0; + var length = charCodes.length; + var byte1, byte2, byte3, byte4; + while (i < length) { + // Convert every 6-bits in the input 3 character points + // into a base64 digit + byte1 = charCodes[i] >> 2; + byte2 = (charCodes[i] & 3) << 4 | charCodes[i + 1] >> 4; + byte3 = (charCodes[i + 1] & 15) << 2 | charCodes[i + 2] >> 6; + byte4 = charCodes[i + 2] & 63; + // We are out of characters in the input, set the extra + // digits to 64 (padding character). + if (i + 1 >= length) { + byte3 = byte4 = 64; + } + else if (i + 2 >= length) { + byte4 = 64; + } + // Write to the ouput + result += base64Digits.charAt(byte1) + base64Digits.charAt(byte2) + base64Digits.charAt(byte3) + base64Digits.charAt(byte4); + i += 3; + } + return result; + } + ts.convertToBase64 = convertToBase64; + function convertToRelativePath(absoluteOrRelativePath, basePath, getCanonicalFileName) { + return !ts.isRootedDiskPath(absoluteOrRelativePath) + ? absoluteOrRelativePath + : ts.getRelativePathToDirectoryOrUrl(basePath, absoluteOrRelativePath, basePath, getCanonicalFileName, /* isAbsolutePathAnUrl */ false); + } + ts.convertToRelativePath = convertToRelativePath; + var carriageReturnLineFeed = "\r\n"; + var lineFeed = "\n"; + function getNewLineCharacter(options) { + if (options.newLine === 0 /* CarriageReturnLineFeed */) { + return carriageReturnLineFeed; + } + else if (options.newLine === 1 /* LineFeed */) { + return lineFeed; + } + else if (ts.sys) { + return ts.sys.newLine; + } + return carriageReturnLineFeed; + } + ts.getNewLineCharacter = getNewLineCharacter; +})(ts || (ts = {})); +var ts; +(function (ts) { + function getDefaultLibFileName(options) { + return options.target === 2 /* ES6 */ ? "lib.es6.d.ts" : "lib.d.ts"; + } + ts.getDefaultLibFileName = getDefaultLibFileName; + function textSpanEnd(span) { + return span.start + span.length; + } + ts.textSpanEnd = textSpanEnd; + function textSpanIsEmpty(span) { + return span.length === 0; + } + ts.textSpanIsEmpty = textSpanIsEmpty; + function textSpanContainsPosition(span, position) { + return position >= span.start && position < textSpanEnd(span); + } + ts.textSpanContainsPosition = textSpanContainsPosition; + // Returns true if 'span' contains 'other'. + function textSpanContainsTextSpan(span, other) { + return other.start >= span.start && textSpanEnd(other) <= textSpanEnd(span); + } + ts.textSpanContainsTextSpan = textSpanContainsTextSpan; + function textSpanOverlapsWith(span, other) { + var overlapStart = Math.max(span.start, other.start); + var overlapEnd = Math.min(textSpanEnd(span), textSpanEnd(other)); + return overlapStart < overlapEnd; + } + ts.textSpanOverlapsWith = textSpanOverlapsWith; + function textSpanOverlap(span1, span2) { + var overlapStart = Math.max(span1.start, span2.start); + var overlapEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (overlapStart < overlapEnd) { + return createTextSpanFromBounds(overlapStart, overlapEnd); + } + return undefined; + } + ts.textSpanOverlap = textSpanOverlap; + function textSpanIntersectsWithTextSpan(span, other) { + return other.start <= textSpanEnd(span) && textSpanEnd(other) >= span.start; + } + ts.textSpanIntersectsWithTextSpan = textSpanIntersectsWithTextSpan; + function textSpanIntersectsWith(span, start, length) { + var end = start + length; + return start <= textSpanEnd(span) && end >= span.start; + } + ts.textSpanIntersectsWith = textSpanIntersectsWith; + function decodedTextSpanIntersectsWith(start1, length1, start2, length2) { + var end1 = start1 + length1; + var end2 = start2 + length2; + return start2 <= end1 && end2 >= start1; + } + ts.decodedTextSpanIntersectsWith = decodedTextSpanIntersectsWith; + function textSpanIntersectsWithPosition(span, position) { + return position <= textSpanEnd(span) && position >= span.start; + } + ts.textSpanIntersectsWithPosition = textSpanIntersectsWithPosition; + function textSpanIntersection(span1, span2) { + var intersectStart = Math.max(span1.start, span2.start); + var intersectEnd = Math.min(textSpanEnd(span1), textSpanEnd(span2)); + if (intersectStart <= intersectEnd) { + return createTextSpanFromBounds(intersectStart, intersectEnd); + } + return undefined; + } + ts.textSpanIntersection = textSpanIntersection; + function createTextSpan(start, length) { + if (start < 0) { + throw new Error("start < 0"); + } + if (length < 0) { + throw new Error("length < 0"); + } + return { start: start, length: length }; + } + ts.createTextSpan = createTextSpan; + function createTextSpanFromBounds(start, end) { + return createTextSpan(start, end - start); + } + ts.createTextSpanFromBounds = createTextSpanFromBounds; + function textChangeRangeNewSpan(range) { + return createTextSpan(range.span.start, range.newLength); + } + ts.textChangeRangeNewSpan = textChangeRangeNewSpan; + function textChangeRangeIsUnchanged(range) { + return textSpanIsEmpty(range.span) && range.newLength === 0; + } + ts.textChangeRangeIsUnchanged = textChangeRangeIsUnchanged; + function createTextChangeRange(span, newLength) { + if (newLength < 0) { + throw new Error("newLength < 0"); + } + return { span: span, newLength: newLength }; + } + ts.createTextChangeRange = createTextChangeRange; + ts.unchangedTextChangeRange = createTextChangeRange(createTextSpan(0, 0), 0); + /** + * Called to merge all the changes that occurred across several versions of a script snapshot + * into a single change. i.e. if a user keeps making successive edits to a script we will + * have a text change from V1 to V2, V2 to V3, ..., Vn. + * + * This function will then merge those changes into a single change range valid between V1 and + * Vn. + */ + function collapseTextChangeRangesAcrossMultipleVersions(changes) { + if (changes.length === 0) { + return ts.unchangedTextChangeRange; + } + if (changes.length === 1) { + return changes[0]; + } + // We change from talking about { { oldStart, oldLength }, newLength } to { oldStart, oldEnd, newEnd } + // as it makes things much easier to reason about. + var change0 = changes[0]; + var oldStartN = change0.span.start; + var oldEndN = textSpanEnd(change0.span); + var newEndN = oldStartN + change0.newLength; + for (var i = 1; i < changes.length; i++) { + var nextChange = changes[i]; + // Consider the following case: + // i.e. two edits. The first represents the text change range { { 10, 50 }, 30 }. i.e. The span starting + // at 10, with length 50 is reduced to length 30. The second represents the text change range { { 30, 30 }, 40 }. + // i.e. the span starting at 30 with length 30 is increased to length 40. + // + // 0 10 20 30 40 50 60 70 80 90 100 + // ------------------------------------------------------------------------------------------------------- + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ------------------------------------------------------------------------------------------------------- + // | \ + // | \ + // T2 | \ + // | \ + // | \ + // ------------------------------------------------------------------------------------------------------- + // + // Merging these turns out to not be too difficult. First, determining the new start of the change is trivial + // it's just the min of the old and new starts. i.e.: + // + // 0 10 20 30 40 50 60 70 80 90 100 + // ------------------------------------------------------------*------------------------------------------ + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ----------------------------------------$-------------------$------------------------------------------ + // . | \ + // . | \ + // T2 . | \ + // . | \ + // . | \ + // ----------------------------------------------------------------------*-------------------------------- + // + // (Note the dots represent the newly inferrred start. + // Determining the new and old end is also pretty simple. Basically it boils down to paying attention to the + // absolute positions at the asterixes, and the relative change between the dollar signs. Basically, we see + // which if the two $'s precedes the other, and we move that one forward until they line up. in this case that + // means: + // + // 0 10 20 30 40 50 60 70 80 90 100 + // --------------------------------------------------------------------------------*---------------------- + // | / + // | /---- + // T1 | /---- + // | /---- + // | /---- + // ------------------------------------------------------------$------------------------------------------ + // . | \ + // . | \ + // T2 . | \ + // . | \ + // . | \ + // ----------------------------------------------------------------------*-------------------------------- + // + // In other words (in this case), we're recognizing that the second edit happened after where the first edit + // ended with a delta of 20 characters (60 - 40). Thus, if we go back in time to where the first edit started + // that's the same as if we started at char 80 instead of 60. + // + // As it so happens, the same logic applies if the second edit precedes the first edit. In that case rahter + // than pusing the first edit forward to match the second, we'll push the second edit forward to match the + // first. + // + // In this case that means we have { oldStart: 10, oldEnd: 80, newEnd: 70 } or, in TextChangeRange + // semantics: { { start: 10, length: 70 }, newLength: 60 } + // + // The math then works out as follows. + // If we have { oldStart1, oldEnd1, newEnd1 } and { oldStart2, oldEnd2, newEnd2 } then we can compute the + // final result like so: + // + // { + // oldStart3: Min(oldStart1, oldStart2), + // oldEnd3 : Max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)), + // newEnd3 : Max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)) + // } + var oldStart1 = oldStartN; + var oldEnd1 = oldEndN; + var newEnd1 = newEndN; + var oldStart2 = nextChange.span.start; + var oldEnd2 = textSpanEnd(nextChange.span); + var newEnd2 = oldStart2 + nextChange.newLength; + oldStartN = Math.min(oldStart1, oldStart2); + oldEndN = Math.max(oldEnd1, oldEnd1 + (oldEnd2 - newEnd1)); + newEndN = Math.max(newEnd2, newEnd2 + (newEnd1 - oldEnd2)); + } + return createTextChangeRange(createTextSpanFromBounds(oldStartN, oldEndN), /*newLength:*/ newEndN - oldStartN); + } + ts.collapseTextChangeRangesAcrossMultipleVersions = collapseTextChangeRangesAcrossMultipleVersions; + function getTypeParameterOwner(d) { + if (d && d.kind === 138 /* TypeParameter */) { + for (var current = d; current; current = current.parent) { + if (ts.isFunctionLike(current) || ts.isClassLike(current) || current.kind === 218 /* InterfaceDeclaration */) { + return current; + } + } + } + } + ts.getTypeParameterOwner = getTypeParameterOwner; + function isParameterPropertyDeclaration(node) { + return node.flags & 56 /* AccessibilityModifier */ && node.parent.kind === 145 /* Constructor */ && ts.isClassLike(node.parent.parent); + } + ts.isParameterPropertyDeclaration = isParameterPropertyDeclaration; +})(ts || (ts = {})); +/// +/// +var ts; +(function (ts) { + /* @internal */ ts.parseTime = 0; + var NodeConstructor; + var SourceFileConstructor; + function createNode(kind, pos, end) { + if (kind === 251 /* SourceFile */) { + return new (SourceFileConstructor || (SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor()))(kind, pos, end); + } + else { + return new (NodeConstructor || (NodeConstructor = ts.objectAllocator.getNodeConstructor()))(kind, pos, end); + } + } + ts.createNode = createNode; + function visitNode(cbNode, node) { + if (node) { + return cbNode(node); + } + } + function visitNodeArray(cbNodes, nodes) { + if (nodes) { + return cbNodes(nodes); + } + } + function visitEachNode(cbNode, nodes) { + if (nodes) { + for (var _i = 0, nodes_1 = nodes; _i < nodes_1.length; _i++) { + var node = nodes_1[_i]; + var result = cbNode(node); + if (result) { + return result; + } + } + } + } + // Invokes a callback for each child of the given node. The 'cbNode' callback is invoked for all child nodes + // stored in properties. If a 'cbNodes' callback is specified, it is invoked for embedded arrays; otherwise, + // embedded arrays are flattened and the 'cbNode' callback is invoked for each element. If a callback returns + // a truthy value, iteration stops and that value is returned. Otherwise, undefined is returned. + function forEachChild(node, cbNode, cbNodeArray) { + if (!node) { + return; + } + // The visitXXX functions could be written as local functions that close over the cbNode and cbNodeArray + // callback parameters, but that causes a closure allocation for each invocation with noticeable effects + // on performance. + var visitNodes = cbNodeArray ? visitNodeArray : visitEachNode; + var cbNodes = cbNodeArray || cbNode; + switch (node.kind) { + case 136 /* QualifiedName */: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.right); + case 138 /* TypeParameter */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.constraint) || + visitNode(cbNode, node.expression); + case 249 /* ShorthandPropertyAssignment */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.equalsToken) || + visitNode(cbNode, node.objectAssignmentInitializer); + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.dotDotDotToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.initializer); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.questionToken) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type) || + visitNode(cbNode, node.equalsGreaterThanToken) || + visitNode(cbNode, node.body); + case 152 /* TypeReference */: + return visitNode(cbNode, node.typeName) || + visitNodes(cbNodes, node.typeArguments); + case 151 /* TypePredicate */: + return visitNode(cbNode, node.parameterName) || + visitNode(cbNode, node.type); + case 155 /* TypeQuery */: + return visitNode(cbNode, node.exprName); + case 156 /* TypeLiteral */: + return visitNodes(cbNodes, node.members); + case 157 /* ArrayType */: + return visitNode(cbNode, node.elementType); + case 158 /* TupleType */: + return visitNodes(cbNodes, node.elementTypes); + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return visitNodes(cbNodes, node.types); + case 161 /* ParenthesizedType */: + return visitNode(cbNode, node.type); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + return visitNodes(cbNodes, node.elements); + case 167 /* ArrayLiteralExpression */: + return visitNodes(cbNodes, node.elements); + case 168 /* ObjectLiteralExpression */: + return visitNodes(cbNodes, node.properties); + case 169 /* PropertyAccessExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.dotToken) || + visitNode(cbNode, node.name); + case 170 /* ElementAccessExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.argumentExpression); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments) || + visitNodes(cbNodes, node.arguments); + case 173 /* TaggedTemplateExpression */: + return visitNode(cbNode, node.tag) || + visitNode(cbNode, node.template); + case 174 /* TypeAssertionExpression */: + return visitNode(cbNode, node.type) || + visitNode(cbNode, node.expression); + case 175 /* ParenthesizedExpression */: + return visitNode(cbNode, node.expression); + case 178 /* DeleteExpression */: + return visitNode(cbNode, node.expression); + case 179 /* TypeOfExpression */: + return visitNode(cbNode, node.expression); + case 180 /* VoidExpression */: + return visitNode(cbNode, node.expression); + case 182 /* PrefixUnaryExpression */: + return visitNode(cbNode, node.operand); + case 187 /* YieldExpression */: + return visitNode(cbNode, node.asteriskToken) || + visitNode(cbNode, node.expression); + case 181 /* AwaitExpression */: + return visitNode(cbNode, node.expression); + case 183 /* PostfixUnaryExpression */: + return visitNode(cbNode, node.operand); + case 184 /* BinaryExpression */: + return visitNode(cbNode, node.left) || + visitNode(cbNode, node.operatorToken) || + visitNode(cbNode, node.right); + case 192 /* AsExpression */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.type); + case 185 /* ConditionalExpression */: + return visitNode(cbNode, node.condition) || + visitNode(cbNode, node.questionToken) || + visitNode(cbNode, node.whenTrue) || + visitNode(cbNode, node.colonToken) || + visitNode(cbNode, node.whenFalse); + case 188 /* SpreadElementExpression */: + return visitNode(cbNode, node.expression); + case 195 /* Block */: + case 222 /* ModuleBlock */: + return visitNodes(cbNodes, node.statements); + case 251 /* SourceFile */: + return visitNodes(cbNodes, node.statements) || + visitNode(cbNode, node.endOfFileToken); + case 196 /* VariableStatement */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.declarationList); + case 215 /* VariableDeclarationList */: + return visitNodes(cbNodes, node.declarations); + case 198 /* ExpressionStatement */: + return visitNode(cbNode, node.expression); + case 199 /* IfStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.thenStatement) || + visitNode(cbNode, node.elseStatement); + case 200 /* DoStatement */: + return visitNode(cbNode, node.statement) || + visitNode(cbNode, node.expression); + case 201 /* WhileStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 202 /* ForStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.condition) || + visitNode(cbNode, node.incrementor) || + visitNode(cbNode, node.statement); + case 203 /* ForInStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 204 /* ForOfStatement */: + return visitNode(cbNode, node.initializer) || + visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return visitNode(cbNode, node.label); + case 207 /* ReturnStatement */: + return visitNode(cbNode, node.expression); + case 208 /* WithStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.statement); + case 209 /* SwitchStatement */: + return visitNode(cbNode, node.expression) || + visitNode(cbNode, node.caseBlock); + case 223 /* CaseBlock */: + return visitNodes(cbNodes, node.clauses); + case 244 /* CaseClause */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.statements); + case 245 /* DefaultClause */: + return visitNodes(cbNodes, node.statements); + case 210 /* LabeledStatement */: + return visitNode(cbNode, node.label) || + visitNode(cbNode, node.statement); + case 211 /* ThrowStatement */: + return visitNode(cbNode, node.expression); + case 212 /* TryStatement */: + return visitNode(cbNode, node.tryBlock) || + visitNode(cbNode, node.catchClause) || + visitNode(cbNode, node.finallyBlock); + case 247 /* CatchClause */: + return visitNode(cbNode, node.variableDeclaration) || + visitNode(cbNode, node.block); + case 140 /* Decorator */: + return visitNode(cbNode, node.expression); + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 218 /* InterfaceDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNodes(cbNodes, node.heritageClauses) || + visitNodes(cbNodes, node.members); + case 219 /* TypeAliasDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeParameters) || + visitNode(cbNode, node.type); + case 220 /* EnumDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.members); + case 250 /* EnumMember */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 221 /* ModuleDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.body); + case 224 /* ImportEqualsDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.name) || + visitNode(cbNode, node.moduleReference); + case 225 /* ImportDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.importClause) || + visitNode(cbNode, node.moduleSpecifier); + case 226 /* ImportClause */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.namedBindings); + case 227 /* NamespaceImport */: + return visitNode(cbNode, node.name); + case 228 /* NamedImports */: + case 232 /* NamedExports */: + return visitNodes(cbNodes, node.elements); + case 231 /* ExportDeclaration */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.exportClause) || + visitNode(cbNode, node.moduleSpecifier); + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return visitNode(cbNode, node.propertyName) || + visitNode(cbNode, node.name); + case 230 /* ExportAssignment */: + return visitNodes(cbNodes, node.decorators) || + visitNodes(cbNodes, node.modifiers) || + visitNode(cbNode, node.expression); + case 186 /* TemplateExpression */: + return visitNode(cbNode, node.head) || visitNodes(cbNodes, node.templateSpans); + case 193 /* TemplateSpan */: + return visitNode(cbNode, node.expression) || visitNode(cbNode, node.literal); + case 137 /* ComputedPropertyName */: + return visitNode(cbNode, node.expression); + case 246 /* HeritageClause */: + return visitNodes(cbNodes, node.types); + case 191 /* ExpressionWithTypeArguments */: + return visitNode(cbNode, node.expression) || + visitNodes(cbNodes, node.typeArguments); + case 235 /* ExternalModuleReference */: + return visitNode(cbNode, node.expression); + case 234 /* MissingDeclaration */: + return visitNodes(cbNodes, node.decorators); + case 236 /* JsxElement */: + return visitNode(cbNode, node.openingElement) || + visitNodes(cbNodes, node.children) || + visitNode(cbNode, node.closingElement); + case 237 /* JsxSelfClosingElement */: + case 238 /* JsxOpeningElement */: + return visitNode(cbNode, node.tagName) || + visitNodes(cbNodes, node.attributes); + case 241 /* JsxAttribute */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.initializer); + case 242 /* JsxSpreadAttribute */: + return visitNode(cbNode, node.expression); + case 243 /* JsxExpression */: + return visitNode(cbNode, node.expression); + case 240 /* JsxClosingElement */: + return visitNode(cbNode, node.tagName); + case 252 /* JSDocTypeExpression */: + return visitNode(cbNode, node.type); + case 256 /* JSDocUnionType */: + return visitNodes(cbNodes, node.types); + case 257 /* JSDocTupleType */: + return visitNodes(cbNodes, node.types); + case 255 /* JSDocArrayType */: + return visitNode(cbNode, node.elementType); + case 259 /* JSDocNonNullableType */: + return visitNode(cbNode, node.type); + case 258 /* JSDocNullableType */: + return visitNode(cbNode, node.type); + case 260 /* JSDocRecordType */: + return visitNodes(cbNodes, node.members); + case 262 /* JSDocTypeReference */: + return visitNode(cbNode, node.name) || + visitNodes(cbNodes, node.typeArguments); + case 263 /* JSDocOptionalType */: + return visitNode(cbNode, node.type); + case 264 /* JSDocFunctionType */: + return visitNodes(cbNodes, node.parameters) || + visitNode(cbNode, node.type); + case 265 /* JSDocVariadicType */: + return visitNode(cbNode, node.type); + case 266 /* JSDocConstructorType */: + return visitNode(cbNode, node.type); + case 267 /* JSDocThisType */: + return visitNode(cbNode, node.type); + case 261 /* JSDocRecordMember */: + return visitNode(cbNode, node.name) || + visitNode(cbNode, node.type); + case 268 /* JSDocComment */: + return visitNodes(cbNodes, node.tags); + case 270 /* JSDocParameterTag */: + return visitNode(cbNode, node.preParameterName) || + visitNode(cbNode, node.typeExpression) || + visitNode(cbNode, node.postParameterName); + case 271 /* JSDocReturnTag */: + return visitNode(cbNode, node.typeExpression); + case 272 /* JSDocTypeTag */: + return visitNode(cbNode, node.typeExpression); + case 273 /* JSDocTemplateTag */: + return visitNodes(cbNodes, node.typeParameters); + } + } + ts.forEachChild = forEachChild; + function createSourceFile(fileName, sourceText, languageVersion, setParentNodes) { + if (setParentNodes === void 0) { setParentNodes = false; } + var start = new Date().getTime(); + var result = Parser.parseSourceFile(fileName, sourceText, languageVersion, /*syntaxCursor*/ undefined, setParentNodes); + ts.parseTime += new Date().getTime() - start; + return result; + } + ts.createSourceFile = createSourceFile; + // Produces a new SourceFile for the 'newText' provided. The 'textChangeRange' parameter + // indicates what changed between the 'text' that this SourceFile has and the 'newText'. + // The SourceFile will be created with the compiler attempting to reuse as many nodes from + // this file as possible. + // + // Note: this function mutates nodes from this SourceFile. That means any existing nodes + // from this SourceFile that are being held onto may change as a result (including + // becoming detached from any SourceFile). It is recommended that this SourceFile not + // be used once 'update' is called on it. + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + return IncrementalParser.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + } + ts.updateSourceFile = updateSourceFile; + /* @internal */ + function parseIsolatedJSDocComment(content, start, length) { + return Parser.JSDocParser.parseIsolatedJSDocComment(content, start, length); + } + ts.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + /* @internal */ + // Exposed only for testing. + function parseJSDocTypeExpressionForTests(content, start, length) { + return Parser.JSDocParser.parseJSDocTypeExpressionForTests(content, start, length); + } + ts.parseJSDocTypeExpressionForTests = parseJSDocTypeExpressionForTests; + // Implement the parser as a singleton module. We do this for perf reasons because creating + // parser instances can actually be expensive enough to impact us on projects with many source + // files. + var Parser; + (function (Parser) { + // Share a single scanner across all calls to parse a source file. This helps speed things + // up by avoiding the cost of creating/compiling scanners over and over again. + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); + var disallowInAndDecoratorContext = 1 /* DisallowIn */ | 4 /* Decorator */; + // capture constructors in 'initializeState' to avoid null checks + var NodeConstructor; + var SourceFileConstructor; + var sourceFile; + var parseDiagnostics; + var syntaxCursor; + var token; + var sourceText; + var nodeCount; + var identifiers; + var identifierCount; + var parsingContext; + // Flags that dictate what parsing context we're in. For example: + // Whether or not we are in strict parsing mode. All that changes in strict parsing mode is + // that some tokens that would be considered identifiers may be considered keywords. + // + // When adding more parser context flags, consider which is the more common case that the + // flag will be in. This should be the 'false' state for that flag. The reason for this is + // that we don't store data in our nodes unless the value is in the *non-default* state. So, + // for example, more often than code 'allows-in' (or doesn't 'disallow-in'). We opt for + // 'disallow-in' set to 'false'. Otherwise, if we had 'allowsIn' set to 'true', then almost + // all nodes would need extra state on them to store this info. + // + // Note: 'allowIn' and 'allowYield' track 1:1 with the [in] and [yield] concepts in the ES6 + // grammar specification. + // + // An important thing about these context concepts. By default they are effectively inherited + // while parsing through every grammar production. i.e. if you don't change them, then when + // you parse a sub-production, it will have the same context values as the parent production. + // This is great most of the time. After all, consider all the 'expression' grammar productions + // and how nearly all of them pass along the 'in' and 'yield' context values: + // + // EqualityExpression[In, Yield] : + // RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] == RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] != RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] === RelationalExpression[?In, ?Yield] + // EqualityExpression[?In, ?Yield] !== RelationalExpression[?In, ?Yield] + // + // Where you have to be careful is then understanding what the points are in the grammar + // where the values are *not* passed along. For example: + // + // SingleNameBinding[Yield,GeneratorParameter] + // [+GeneratorParameter]BindingIdentifier[Yield] Initializer[In]opt + // [~GeneratorParameter]BindingIdentifier[?Yield]Initializer[In, ?Yield]opt + // + // Here this is saying that if the GeneratorParameter context flag is set, that we should + // explicitly set the 'yield' context flag to false before calling into the BindingIdentifier + // and we should explicitly unset the 'yield' context flag before calling into the Initializer. + // production. Conversely, if the GeneratorParameter context flag is not set, then we + // should leave the 'yield' context flag alone. + // + // Getting this all correct is tricky and requires careful reading of the grammar to + // understand when these values should be changed versus when they should be inherited. + // + // Note: it should not be necessary to save/restore these flags during speculative/lookahead + // parsing. These context flags are naturally stored and restored through normal recursive + // descent parsing and unwinding. + var contextFlags; + // Whether or not we've had a parse error since creating the last AST node. If we have + // encountered an error, it will be stored on the next AST node we create. Parse errors + // can be broken down into three categories: + // + // 1) An error that occurred during scanning. For example, an unterminated literal, or a + // character that was completely not understood. + // + // 2) A token was expected, but was not present. This type of error is commonly produced + // by the 'parseExpected' function. + // + // 3) A token was present that no parsing function was able to consume. This type of error + // only occurs in the 'abortParsingListOrMoveToNextToken' function when the parser + // decides to skip the token. + // + // In all of these cases, we want to mark the next node as having had an error before it. + // With this mark, we can know in incremental settings if this node can be reused, or if + // we have to reparse it. If we don't keep this information around, we may just reuse the + // node. in that event we would then not produce the same errors as we did before, causing + // significant confusion problems. + // + // Note: it is necessary that this value be saved/restored during speculative/lookahead + // parsing. During lookahead parsing, we will often create a node. That node will have + // this value attached, and then this value will be set back to 'false'. If we decide to + // rewind, we must get back to the same value we had prior to the lookahead. + // + // Note: any errors at the end of the file that do not precede a regular node, should get + // attached to the EOF token. + var parseErrorBeforeNextFinishedNode = false; + function parseSourceFile(fileName, _sourceText, languageVersion, _syntaxCursor, setParentNodes) { + var isJavaScriptFile = ts.hasJavaScriptFileExtension(fileName) || _sourceText.lastIndexOf("// @language=javascript", 0) === 0; + initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor); + var result = parseSourceFileWorker(fileName, languageVersion, setParentNodes); + clearState(); + return result; + } + Parser.parseSourceFile = parseSourceFile; + function getLanguageVariant(fileName) { + // .tsx and .jsx files are treated as jsx language variant. + return ts.fileExtensionIs(fileName, ".tsx") || ts.fileExtensionIs(fileName, ".jsx") || ts.fileExtensionIs(fileName, ".js") ? 1 /* JSX */ : 0 /* Standard */; + } + function initializeState(fileName, _sourceText, languageVersion, isJavaScriptFile, _syntaxCursor) { + NodeConstructor = ts.objectAllocator.getNodeConstructor(); + SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor(); + sourceText = _sourceText; + syntaxCursor = _syntaxCursor; + parseDiagnostics = []; + parsingContext = 0; + identifiers = {}; + identifierCount = 0; + nodeCount = 0; + contextFlags = isJavaScriptFile ? 32 /* JavaScriptFile */ : 0 /* None */; + parseErrorBeforeNextFinishedNode = false; + // Initialize and prime the scanner before parsing the source elements. + scanner.setText(sourceText); + scanner.setOnError(scanError); + scanner.setScriptTarget(languageVersion); + scanner.setLanguageVariant(getLanguageVariant(fileName)); + } + function clearState() { + // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily. + scanner.setText(""); + scanner.setOnError(undefined); + // Clear any data. We don't want to accidently hold onto it for too long. + parseDiagnostics = undefined; + sourceFile = undefined; + identifiers = undefined; + syntaxCursor = undefined; + sourceText = undefined; + } + function parseSourceFileWorker(fileName, languageVersion, setParentNodes) { + sourceFile = createSourceFile(fileName, languageVersion); + if (contextFlags & 32 /* JavaScriptFile */) { + sourceFile.parserContextFlags = 32 /* JavaScriptFile */; + } + // Prime the scanner. + token = nextToken(); + processReferenceComments(sourceFile); + sourceFile.statements = parseList(0 /* SourceElements */, parseStatement); + ts.Debug.assert(token === 1 /* EndOfFileToken */); + sourceFile.endOfFileToken = parseTokenNode(); + setExternalModuleIndicator(sourceFile); + sourceFile.nodeCount = nodeCount; + sourceFile.identifierCount = identifierCount; + sourceFile.identifiers = identifiers; + sourceFile.parseDiagnostics = parseDiagnostics; + if (setParentNodes) { + fixupParentReferences(sourceFile); + } + return sourceFile; + } + function addJSDocComment(node) { + if (contextFlags & 32 /* JavaScriptFile */) { + var comments = ts.getLeadingCommentRangesOfNode(node, sourceFile); + if (comments) { + for (var _i = 0, comments_1 = comments; _i < comments_1.length; _i++) { + var comment = comments_1[_i]; + var jsDocComment = JSDocParser.parseJSDocComment(node, comment.pos, comment.end - comment.pos); + if (jsDocComment) { + node.jsDocComment = jsDocComment; + } + } + } + } + return node; + } + function fixupParentReferences(sourceFile) { + // normally parent references are set during binding. However, for clients that only need + // a syntax tree, and no semantic features, then the binding process is an unnecessary + // overhead. This functions allows us to set all the parents, without all the expense of + // binding. + var parent = sourceFile; + forEachChild(sourceFile, visitNode); + return; + function visitNode(n) { + // walk down setting parents that differ from the parent we think it should be. This + // allows us to quickly bail out of setting parents for subtrees during incremental + // parsing + if (n.parent !== parent) { + n.parent = parent; + var saveParent = parent; + parent = n; + forEachChild(n, visitNode); + parent = saveParent; + } + } + } + Parser.fixupParentReferences = fixupParentReferences; + function createSourceFile(fileName, languageVersion) { + // code from createNode is inlined here so createNode won't have to deal with special case of creating source files + // this is quite rare comparing to other nodes and createNode should be as fast as possible + var sourceFile = new SourceFileConstructor(251 /* SourceFile */, /*pos*/ 0, /* end */ sourceText.length); + nodeCount++; + sourceFile.text = sourceText; + sourceFile.bindDiagnostics = []; + sourceFile.languageVersion = languageVersion; + sourceFile.fileName = ts.normalizePath(fileName); + sourceFile.flags = ts.fileExtensionIs(sourceFile.fileName, ".d.ts") ? 4096 /* DeclarationFile */ : 0; + sourceFile.languageVariant = getLanguageVariant(sourceFile.fileName); + return sourceFile; + } + function setContextFlag(val, flag) { + if (val) { + contextFlags |= flag; + } + else { + contextFlags &= ~flag; + } + } + function setDisallowInContext(val) { + setContextFlag(val, 1 /* DisallowIn */); + } + function setYieldContext(val) { + setContextFlag(val, 2 /* Yield */); + } + function setDecoratorContext(val) { + setContextFlag(val, 4 /* Decorator */); + } + function setAwaitContext(val) { + setContextFlag(val, 8 /* Await */); + } + function doOutsideOfContext(context, func) { + // contextFlagsToClear will contain only the context flags that are + // currently set that we need to temporarily clear + // We don't just blindly reset to the previous flags to ensure + // that we do not mutate cached flags for the incremental + // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and + // HasAggregatedChildData). + var contextFlagsToClear = context & contextFlags; + if (contextFlagsToClear) { + // clear the requested context flags + setContextFlag(/*val*/ false, contextFlagsToClear); + var result = func(); + // restore the context flags we just cleared + setContextFlag(/*val*/ true, contextFlagsToClear); + return result; + } + // no need to do anything special as we are not in any of the requested contexts + return func(); + } + function doInsideOfContext(context, func) { + // contextFlagsToSet will contain only the context flags that + // are not currently set that we need to temporarily enable. + // We don't just blindly reset to the previous flags to ensure + // that we do not mutate cached flags for the incremental + // parser (ThisNodeHasError, ThisNodeOrAnySubNodesHasError, and + // HasAggregatedChildData). + var contextFlagsToSet = context & ~contextFlags; + if (contextFlagsToSet) { + // set the requested context flags + setContextFlag(/*val*/ true, contextFlagsToSet); + var result = func(); + // reset the context flags we just set + setContextFlag(/*val*/ false, contextFlagsToSet); + return result; + } + // no need to do anything special as we are already in all of the requested contexts + return func(); + } + function allowInAnd(func) { + return doOutsideOfContext(1 /* DisallowIn */, func); + } + function disallowInAnd(func) { + return doInsideOfContext(1 /* DisallowIn */, func); + } + function doInYieldContext(func) { + return doInsideOfContext(2 /* Yield */, func); + } + function doInDecoratorContext(func) { + return doInsideOfContext(4 /* Decorator */, func); + } + function doInAwaitContext(func) { + return doInsideOfContext(8 /* Await */, func); + } + function doOutsideOfAwaitContext(func) { + return doOutsideOfContext(8 /* Await */, func); + } + function doInYieldAndAwaitContext(func) { + return doInsideOfContext(2 /* Yield */ | 8 /* Await */, func); + } + function inContext(flags) { + return (contextFlags & flags) !== 0; + } + function inYieldContext() { + return inContext(2 /* Yield */); + } + function inDisallowInContext() { + return inContext(1 /* DisallowIn */); + } + function inDecoratorContext() { + return inContext(4 /* Decorator */); + } + function inAwaitContext() { + return inContext(8 /* Await */); + } + function parseErrorAtCurrentToken(message, arg0) { + var start = scanner.getTokenPos(); + var length = scanner.getTextPos() - start; + parseErrorAtPosition(start, length, message, arg0); + } + function parseErrorAtPosition(start, length, message, arg0) { + // Don't report another error if it would just be at the same position as the last error. + var lastError = ts.lastOrUndefined(parseDiagnostics); + if (!lastError || start !== lastError.start) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, start, length, message, arg0)); + } + // Mark that we've encountered an error. We'll set an appropriate bit on the next + // node we finish so that it can't be reused incrementally. + parseErrorBeforeNextFinishedNode = true; + } + function scanError(message, length) { + var pos = scanner.getTextPos(); + parseErrorAtPosition(pos, length || 0, message); + } + function getNodePos() { + return scanner.getStartPos(); + } + function getNodeEnd() { + return scanner.getStartPos(); + } + function nextToken() { + return token = scanner.scan(); + } + function reScanGreaterToken() { + return token = scanner.reScanGreaterToken(); + } + function reScanSlashToken() { + return token = scanner.reScanSlashToken(); + } + function reScanTemplateToken() { + return token = scanner.reScanTemplateToken(); + } + function scanJsxIdentifier() { + return token = scanner.scanJsxIdentifier(); + } + function scanJsxText() { + return token = scanner.scanJsxToken(); + } + function speculationHelper(callback, isLookAhead) { + // Keep track of the state we'll need to rollback to if lookahead fails (or if the + // caller asked us to always reset our state). + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + // Note: it is not actually necessary to save/restore the context flags here. That's + // because the saving/restoring of these flags happens naturally through the recursive + // descent nature of our parser. However, we still store this here just so we can + // assert that that invariant holds. + var saveContextFlags = contextFlags; + // If we're only looking ahead, then tell the scanner to only lookahead as well. + // Otherwise, if we're actually speculatively parsing, then tell the scanner to do the + // same. + var result = isLookAhead + ? scanner.lookAhead(callback) + : scanner.tryScan(callback); + ts.Debug.assert(saveContextFlags === contextFlags); + // If our callback returned something 'falsy' or we're just looking ahead, + // then unconditionally restore us to where we were. + if (!result || isLookAhead) { + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + } + return result; + } + /** Invokes the provided callback then unconditionally restores the parser to the state it + * was in immediately prior to invoking the callback. The result of invoking the callback + * is returned from this function. + */ + function lookAhead(callback) { + return speculationHelper(callback, /*isLookAhead*/ true); + } + /** Invokes the provided callback. If the callback returns something falsy, then it restores + * the parser to the state it was in immediately prior to invoking the callback. If the + * callback returns something truthy, then the parser state is not rolled back. The result + * of invoking the callback is returned from this function. + */ + function tryParse(callback) { + return speculationHelper(callback, /*isLookAhead*/ false); + } + // Ignore strict mode flag because we will report an error in type checker instead. + function isIdentifier() { + if (token === 69 /* Identifier */) { + return true; + } + // If we have a 'yield' keyword, and we're in the [yield] context, then 'yield' is + // considered a keyword and is not an identifier. + if (token === 114 /* YieldKeyword */ && inYieldContext()) { + return false; + } + // If we have a 'await' keyword, and we're in the [Await] context, then 'await' is + // considered a keyword and is not an identifier. + if (token === 119 /* AwaitKeyword */ && inAwaitContext()) { + return false; + } + return token > 105 /* LastReservedWord */; + } + function parseExpected(kind, diagnosticMessage, shouldAdvance) { + if (shouldAdvance === void 0) { shouldAdvance = true; } + if (token === kind) { + if (shouldAdvance) { + nextToken(); + } + return true; + } + // Report specific message if provided with one. Otherwise, report generic fallback message. + if (diagnosticMessage) { + parseErrorAtCurrentToken(diagnosticMessage); + } + else { + parseErrorAtCurrentToken(ts.Diagnostics._0_expected, ts.tokenToString(kind)); + } + return false; + } + function parseOptional(t) { + if (token === t) { + nextToken(); + return true; + } + return false; + } + function parseOptionalToken(t) { + if (token === t) { + return parseTokenNode(); + } + return undefined; + } + function parseExpectedToken(t, reportAtCurrentPosition, diagnosticMessage, arg0) { + return parseOptionalToken(t) || + createMissingNode(t, reportAtCurrentPosition, diagnosticMessage, arg0); + } + function parseTokenNode() { + var node = createNode(token); + nextToken(); + return finishNode(node); + } + function canParseSemicolon() { + // If there's a real semicolon, then we can always parse it out. + if (token === 23 /* SemicolonToken */) { + return true; + } + // We can parse out an optional semicolon in ASI cases in the following cases. + return token === 16 /* CloseBraceToken */ || token === 1 /* EndOfFileToken */ || scanner.hasPrecedingLineBreak(); + } + function parseSemicolon() { + if (canParseSemicolon()) { + if (token === 23 /* SemicolonToken */) { + // consume the semicolon if it was explicitly provided. + nextToken(); + } + return true; + } + else { + return parseExpected(23 /* SemicolonToken */); + } + } + // note: this function creates only node + function createNode(kind, pos) { + nodeCount++; + if (!(pos >= 0)) { + pos = scanner.getStartPos(); + } + return new NodeConstructor(kind, pos, pos); + } + function finishNode(node, end) { + node.end = end === undefined ? scanner.getStartPos() : end; + if (contextFlags) { + node.parserContextFlags = contextFlags; + } + // Keep track on the node if we encountered an error while parsing it. If we did, then + // we cannot reuse the node incrementally. Once we've marked this node, clear out the + // flag so that we don't mark any subsequent nodes. + if (parseErrorBeforeNextFinishedNode) { + parseErrorBeforeNextFinishedNode = false; + node.parserContextFlags |= 16 /* ThisNodeHasError */; + } + return node; + } + function createMissingNode(kind, reportAtCurrentPosition, diagnosticMessage, arg0) { + if (reportAtCurrentPosition) { + parseErrorAtPosition(scanner.getStartPos(), 0, diagnosticMessage, arg0); + } + else { + parseErrorAtCurrentToken(diagnosticMessage, arg0); + } + var result = createNode(kind, scanner.getStartPos()); + result.text = ""; + return finishNode(result); + } + function internIdentifier(text) { + text = ts.escapeIdentifier(text); + return ts.hasProperty(identifiers, text) ? identifiers[text] : (identifiers[text] = text); + } + // An identifier that starts with two underscores has an extra underscore character prepended to it to avoid issues + // with magic property names like '__proto__'. The 'identifiers' object is used to share a single string instance for + // each identifier in order to reduce memory consumption. + function createIdentifier(isIdentifier, diagnosticMessage) { + identifierCount++; + if (isIdentifier) { + var node = createNode(69 /* Identifier */); + // Store original token kind if it is not just an Identifier so we can report appropriate error later in type checker + if (token !== 69 /* Identifier */) { + node.originalKeywordKind = token; + } + node.text = internIdentifier(scanner.getTokenValue()); + nextToken(); + return finishNode(node); + } + return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ false, diagnosticMessage || ts.Diagnostics.Identifier_expected); + } + function parseIdentifier(diagnosticMessage) { + return createIdentifier(isIdentifier(), diagnosticMessage); + } + function parseIdentifierName() { + return createIdentifier(ts.tokenIsIdentifierOrKeyword(token)); + } + function isLiteralPropertyName() { + return ts.tokenIsIdentifierOrKeyword(token) || + token === 9 /* StringLiteral */ || + token === 8 /* NumericLiteral */; + } + function parsePropertyNameWorker(allowComputedPropertyNames) { + if (token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */) { + return parseLiteralNode(/*internName*/ true); + } + if (allowComputedPropertyNames && token === 19 /* OpenBracketToken */) { + return parseComputedPropertyName(); + } + return parseIdentifierName(); + } + function parsePropertyName() { + return parsePropertyNameWorker(/*allowComputedPropertyNames*/ true); + } + function parseSimplePropertyName() { + return parsePropertyNameWorker(/*allowComputedPropertyNames*/ false); + } + function isSimplePropertyName() { + return token === 9 /* StringLiteral */ || token === 8 /* NumericLiteral */ || ts.tokenIsIdentifierOrKeyword(token); + } + function parseComputedPropertyName() { + // PropertyName [Yield]: + // LiteralPropertyName + // ComputedPropertyName[?Yield] + var node = createNode(137 /* ComputedPropertyName */); + parseExpected(19 /* OpenBracketToken */); + // We parse any expression (including a comma expression). But the grammar + // says that only an assignment expression is allowed, so the grammar checker + // will error if it sees a comma expression. + node.expression = allowInAnd(parseExpression); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function parseContextualModifier(t) { + return token === t && tryParse(nextTokenCanFollowModifier); + } + function nextTokenIsOnSameLineAndCanFollowModifier() { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return false; + } + return canFollowModifier(); + } + function nextTokenCanFollowModifier() { + if (token === 74 /* ConstKeyword */) { + // 'const' is only a modifier if followed by 'enum'. + return nextToken() === 81 /* EnumKeyword */; + } + if (token === 82 /* ExportKeyword */) { + nextToken(); + if (token === 77 /* DefaultKeyword */) { + return lookAhead(nextTokenIsClassOrFunction); + } + return token !== 37 /* AsteriskToken */ && token !== 15 /* OpenBraceToken */ && canFollowModifier(); + } + if (token === 77 /* DefaultKeyword */) { + return nextTokenIsClassOrFunction(); + } + if (token === 113 /* StaticKeyword */) { + nextToken(); + return canFollowModifier(); + } + return nextTokenIsOnSameLineAndCanFollowModifier(); + } + function parseAnyContextualModifier() { + return ts.isModifierKind(token) && tryParse(nextTokenCanFollowModifier); + } + function canFollowModifier() { + return token === 19 /* OpenBracketToken */ + || token === 15 /* OpenBraceToken */ + || token === 37 /* AsteriskToken */ + || isLiteralPropertyName(); + } + function nextTokenIsClassOrFunction() { + nextToken(); + return token === 73 /* ClassKeyword */ || token === 87 /* FunctionKeyword */; + } + // True if positioned at the start of a list element + function isListElement(parsingContext, inErrorRecovery) { + var node = currentNode(parsingContext); + if (node) { + return true; + } + switch (parsingContext) { + case 0 /* SourceElements */: + case 1 /* BlockStatements */: + case 3 /* SwitchClauseStatements */: + // If we're in error recovery, then we don't want to treat ';' as an empty statement. + // The problem is that ';' can show up in far too many contexts, and if we see one + // and assume it's a statement, then we may bail out inappropriately from whatever + // we're parsing. For example, if we have a semicolon in the middle of a class, then + // we really don't want to assume the class is over and we're on a statement in the + // outer module. We just want to consume and move on. + return !(token === 23 /* SemicolonToken */ && inErrorRecovery) && isStartOfStatement(); + case 2 /* SwitchClauses */: + return token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; + case 4 /* TypeMembers */: + return isStartOfTypeMember(); + case 5 /* ClassMembers */: + // We allow semicolons as class elements (as specified by ES6) as long as we're + // not in error recovery. If we're in error recovery, we don't want an errant + // semicolon to be treated as a class member (since they're almost always used + // for statements. + return lookAhead(isClassMemberStart) || (token === 23 /* SemicolonToken */ && !inErrorRecovery); + case 6 /* EnumMembers */: + // Include open bracket computed properties. This technically also lets in indexers, + // which would be a candidate for improved error reporting. + return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); + case 12 /* ObjectLiteralMembers */: + return token === 19 /* OpenBracketToken */ || token === 37 /* AsteriskToken */ || isLiteralPropertyName(); + case 9 /* ObjectBindingElements */: + return token === 19 /* OpenBracketToken */ || isLiteralPropertyName(); + case 7 /* HeritageClauseElement */: + // If we see { } then only consume it as an expression if it is followed by , or { + // That way we won't consume the body of a class in its heritage clause. + if (token === 15 /* OpenBraceToken */) { + return lookAhead(isValidHeritageClauseObjectLiteral); + } + if (!inErrorRecovery) { + return isStartOfLeftHandSideExpression() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + else { + // If we're in error recovery we tighten up what we're willing to match. + // That way we don't treat something like "this" as a valid heritage clause + // element during recovery. + return isIdentifier() && !isHeritageClauseExtendsOrImplementsKeyword(); + } + case 8 /* VariableDeclarations */: + return isIdentifierOrPattern(); + case 10 /* ArrayBindingElements */: + return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isIdentifierOrPattern(); + case 17 /* TypeParameters */: + return isIdentifier(); + case 11 /* ArgumentExpressions */: + case 15 /* ArrayLiteralMembers */: + return token === 24 /* CommaToken */ || token === 22 /* DotDotDotToken */ || isStartOfExpression(); + case 16 /* Parameters */: + return isStartOfParameter(); + case 18 /* TypeArguments */: + case 19 /* TupleElementTypes */: + return token === 24 /* CommaToken */ || isStartOfType(); + case 20 /* HeritageClauses */: + return isHeritageClause(); + case 21 /* ImportOrExportSpecifiers */: + return ts.tokenIsIdentifierOrKeyword(token); + case 13 /* JsxAttributes */: + return ts.tokenIsIdentifierOrKeyword(token) || token === 15 /* OpenBraceToken */; + case 14 /* JsxChildren */: + return true; + case 22 /* JSDocFunctionParameters */: + case 23 /* JSDocTypeArguments */: + case 25 /* JSDocTupleTypes */: + return JSDocParser.isJSDocType(); + case 24 /* JSDocRecordMembers */: + return isSimplePropertyName(); + } + ts.Debug.fail("Non-exhaustive case in 'isListElement'."); + } + function isValidHeritageClauseObjectLiteral() { + ts.Debug.assert(token === 15 /* OpenBraceToken */); + if (nextToken() === 16 /* CloseBraceToken */) { + // if we see "extends {}" then only treat the {} as what we're extending (and not + // the class body) if we have: + // + // extends {} { + // extends {}, + // extends {} extends + // extends {} implements + var next = nextToken(); + return next === 24 /* CommaToken */ || next === 15 /* OpenBraceToken */ || next === 83 /* ExtendsKeyword */ || next === 106 /* ImplementsKeyword */; + } + return true; + } + function nextTokenIsIdentifier() { + nextToken(); + return isIdentifier(); + } + function nextTokenIsIdentifierOrKeyword() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token); + } + function isHeritageClauseExtendsOrImplementsKeyword() { + if (token === 106 /* ImplementsKeyword */ || + token === 83 /* ExtendsKeyword */) { + return lookAhead(nextTokenIsStartOfExpression); + } + return false; + } + function nextTokenIsStartOfExpression() { + nextToken(); + return isStartOfExpression(); + } + // True if positioned at a list terminator + function isListTerminator(kind) { + if (token === 1 /* EndOfFileToken */) { + // Being at the end of the file ends all lists. + return true; + } + switch (kind) { + case 1 /* BlockStatements */: + case 2 /* SwitchClauses */: + case 4 /* TypeMembers */: + case 5 /* ClassMembers */: + case 6 /* EnumMembers */: + case 12 /* ObjectLiteralMembers */: + case 9 /* ObjectBindingElements */: + case 21 /* ImportOrExportSpecifiers */: + return token === 16 /* CloseBraceToken */; + case 3 /* SwitchClauseStatements */: + return token === 16 /* CloseBraceToken */ || token === 71 /* CaseKeyword */ || token === 77 /* DefaultKeyword */; + case 7 /* HeritageClauseElement */: + return token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + case 8 /* VariableDeclarations */: + return isVariableDeclaratorListTerminator(); + case 17 /* TypeParameters */: + // Tokens other than '>' are here for better error recovery + return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */ || token === 15 /* OpenBraceToken */ || token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + case 11 /* ArgumentExpressions */: + // Tokens other than ')' are here for better error recovery + return token === 18 /* CloseParenToken */ || token === 23 /* SemicolonToken */; + case 15 /* ArrayLiteralMembers */: + case 19 /* TupleElementTypes */: + case 10 /* ArrayBindingElements */: + return token === 20 /* CloseBracketToken */; + case 16 /* Parameters */: + // Tokens other than ')' and ']' (the latter for index signatures) are here for better error recovery + return token === 18 /* CloseParenToken */ || token === 20 /* CloseBracketToken */ /*|| token === SyntaxKind.OpenBraceToken*/; + case 18 /* TypeArguments */: + // Tokens other than '>' are here for better error recovery + return token === 27 /* GreaterThanToken */ || token === 17 /* OpenParenToken */; + case 20 /* HeritageClauses */: + return token === 15 /* OpenBraceToken */ || token === 16 /* CloseBraceToken */; + case 13 /* JsxAttributes */: + return token === 27 /* GreaterThanToken */ || token === 39 /* SlashToken */; + case 14 /* JsxChildren */: + return token === 25 /* LessThanToken */ && lookAhead(nextTokenIsSlash); + case 22 /* JSDocFunctionParameters */: + return token === 18 /* CloseParenToken */ || token === 54 /* ColonToken */ || token === 16 /* CloseBraceToken */; + case 23 /* JSDocTypeArguments */: + return token === 27 /* GreaterThanToken */ || token === 16 /* CloseBraceToken */; + case 25 /* JSDocTupleTypes */: + return token === 20 /* CloseBracketToken */ || token === 16 /* CloseBraceToken */; + case 24 /* JSDocRecordMembers */: + return token === 16 /* CloseBraceToken */; + } + } + function isVariableDeclaratorListTerminator() { + // If we can consume a semicolon (either explicitly, or with ASI), then consider us done + // with parsing the list of variable declarators. + if (canParseSemicolon()) { + return true; + } + // in the case where we're parsing the variable declarator of a 'for-in' statement, we + // are done if we see an 'in' keyword in front of us. Same with for-of + if (isInOrOfKeyword(token)) { + return true; + } + // ERROR RECOVERY TWEAK: + // For better error recovery, if we see an '=>' then we just stop immediately. We've got an + // arrow function here and it's going to be very unlikely that we'll resynchronize and get + // another variable declaration. + if (token === 34 /* EqualsGreaterThanToken */) { + return true; + } + // Keep trying to parse out variable declarators. + return false; + } + // True if positioned at element or terminator of the current list or any enclosing list + function isInSomeParsingContext() { + for (var kind = 0; kind < 26 /* Count */; kind++) { + if (parsingContext & (1 << kind)) { + if (isListElement(kind, /*inErrorRecovery*/ true) || isListTerminator(kind)) { + return true; + } + } + } + return false; + } + // Parses a list of elements + function parseList(kind, parseElement) { + var saveParsingContext = parsingContext; + parsingContext |= 1 << kind; + var result = []; + result.pos = getNodePos(); + while (!isListTerminator(kind)) { + if (isListElement(kind, /*inErrorRecovery*/ false)) { + var element = parseListElement(kind, parseElement); + result.push(element); + continue; + } + if (abortParsingListOrMoveToNextToken(kind)) { + break; + } + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function parseListElement(parsingContext, parseElement) { + var node = currentNode(parsingContext); + if (node) { + return consumeNode(node); + } + return parseElement(); + } + function currentNode(parsingContext) { + // If there is an outstanding parse error that we've encountered, but not attached to + // some node, then we cannot get a node from the old source tree. This is because we + // want to mark the next node we encounter as being unusable. + // + // Note: This may be too conservative. Perhaps we could reuse the node and set the bit + // on it (or its leftmost child) as having the error. For now though, being conservative + // is nice and likely won't ever affect perf. + if (parseErrorBeforeNextFinishedNode) { + return undefined; + } + if (!syntaxCursor) { + // if we don't have a cursor, we could never return a node from the old tree. + return undefined; + } + var node = syntaxCursor.currentNode(scanner.getStartPos()); + // Can't reuse a missing node. + if (ts.nodeIsMissing(node)) { + return undefined; + } + // Can't reuse a node that intersected the change range. + if (node.intersectsChange) { + return undefined; + } + // Can't reuse a node that contains a parse error. This is necessary so that we + // produce the same set of errors again. + if (ts.containsParseError(node)) { + return undefined; + } + // We can only reuse a node if it was parsed under the same strict mode that we're + // currently in. i.e. if we originally parsed a node in non-strict mode, but then + // the user added 'using strict' at the top of the file, then we can't use that node + // again as the presense of strict mode may cause us to parse the tokens in the file + // differetly. + // + // Note: we *can* reuse tokens when the strict mode changes. That's because tokens + // are unaffected by strict mode. It's just the parser will decide what to do with it + // differently depending on what mode it is in. + // + // This also applies to all our other context flags as well. + var nodeContextFlags = node.parserContextFlags & 31 /* ParserGeneratedFlags */; + if (nodeContextFlags !== contextFlags) { + return undefined; + } + // Ok, we have a node that looks like it could be reused. Now verify that it is valid + // in the currest list parsing context that we're currently at. + if (!canReuseNode(node, parsingContext)) { + return undefined; + } + return node; + } + function consumeNode(node) { + // Move the scanner so it is after the node we just consumed. + scanner.setTextPos(node.end); + nextToken(); + return node; + } + function canReuseNode(node, parsingContext) { + switch (parsingContext) { + case 5 /* ClassMembers */: + return isReusableClassMember(node); + case 2 /* SwitchClauses */: + return isReusableSwitchClause(node); + case 0 /* SourceElements */: + case 1 /* BlockStatements */: + case 3 /* SwitchClauseStatements */: + return isReusableStatement(node); + case 6 /* EnumMembers */: + return isReusableEnumMember(node); + case 4 /* TypeMembers */: + return isReusableTypeMember(node); + case 8 /* VariableDeclarations */: + return isReusableVariableDeclaration(node); + case 16 /* Parameters */: + return isReusableParameter(node); + // Any other lists we do not care about reusing nodes in. But feel free to add if + // you can do so safely. Danger areas involve nodes that may involve speculative + // parsing. If speculative parsing is involved with the node, then the range the + // parser reached while looking ahead might be in the edited range (see the example + // in canReuseVariableDeclaratorNode for a good case of this). + case 20 /* HeritageClauses */: + // This would probably be safe to reuse. There is no speculative parsing with + // heritage clauses. + case 17 /* TypeParameters */: + // This would probably be safe to reuse. There is no speculative parsing with + // type parameters. Note that that's because type *parameters* only occur in + // unambiguous *type* contexts. While type *arguments* occur in very ambiguous + // *expression* contexts. + case 19 /* TupleElementTypes */: + // This would probably be safe to reuse. There is no speculative parsing with + // tuple types. + // Technically, type argument list types are probably safe to reuse. While + // speculative parsing is involved with them (since type argument lists are only + // produced from speculative parsing a < as a type argument list), we only have + // the types because speculative parsing succeeded. Thus, the lookahead never + // went past the end of the list and rewound. + case 18 /* TypeArguments */: + // Note: these are almost certainly not safe to ever reuse. Expressions commonly + // need a large amount of lookahead, and we should not reuse them as they may + // have actually intersected the edit. + case 11 /* ArgumentExpressions */: + // This is not safe to reuse for the same reason as the 'AssignmentExpression' + // cases. i.e. a property assignment may end with an expression, and thus might + // have lookahead far beyond it's old node. + case 12 /* ObjectLiteralMembers */: + // This is probably not safe to reuse. There can be speculative parsing with + // type names in a heritage clause. There can be generic names in the type + // name list, and there can be left hand side expressions (which can have type + // arguments.) + case 7 /* HeritageClauseElement */: + // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes + // on any given element. Same for children. + case 13 /* JsxAttributes */: + case 14 /* JsxChildren */: + } + return false; + } + function isReusableClassMember(node) { + if (node) { + switch (node.kind) { + case 145 /* Constructor */: + case 150 /* IndexSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 142 /* PropertyDeclaration */: + case 194 /* SemicolonClassElement */: + return true; + case 144 /* MethodDeclaration */: + // Method declarations are not necessarily reusable. An object-literal + // may have a method calls "constructor(...)" and we must reparse that + // into an actual .ConstructorDeclaration. + var methodDeclaration = node; + var nameIsConstructor = methodDeclaration.name.kind === 69 /* Identifier */ && + methodDeclaration.name.originalKeywordKind === 121 /* ConstructorKeyword */; + return !nameIsConstructor; + } + } + return false; + } + function isReusableSwitchClause(node) { + if (node) { + switch (node.kind) { + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + return true; + } + } + return false; + } + function isReusableStatement(node) { + if (node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 196 /* VariableStatement */: + case 195 /* Block */: + case 199 /* IfStatement */: + case 198 /* ExpressionStatement */: + case 211 /* ThrowStatement */: + case 207 /* ReturnStatement */: + case 209 /* SwitchStatement */: + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 197 /* EmptyStatement */: + case 212 /* TryStatement */: + case 210 /* LabeledStatement */: + case 200 /* DoStatement */: + case 213 /* DebuggerStatement */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + case 230 /* ExportAssignment */: + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 219 /* TypeAliasDeclaration */: + return true; + } + } + return false; + } + function isReusableEnumMember(node) { + return node.kind === 250 /* EnumMember */; + } + function isReusableTypeMember(node) { + if (node) { + switch (node.kind) { + case 149 /* ConstructSignature */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + case 141 /* PropertySignature */: + case 148 /* CallSignature */: + return true; + } + } + return false; + } + function isReusableVariableDeclaration(node) { + if (node.kind !== 214 /* VariableDeclaration */) { + return false; + } + // Very subtle incremental parsing bug. Consider the following code: + // + // let v = new List < A, B + // + // This is actually legal code. It's a list of variable declarators "v = new List() + // + // then we have a problem. "v = new List= 0) { + // Always preserve a trailing comma by marking it on the NodeArray + result.hasTrailingComma = true; + } + result.end = getNodeEnd(); + parsingContext = saveParsingContext; + return result; + } + function createMissingList() { + var pos = getNodePos(); + var result = []; + result.pos = pos; + result.end = pos; + return result; + } + function parseBracketedList(kind, parseElement, open, close) { + if (parseExpected(open)) { + var result = parseDelimitedList(kind, parseElement); + parseExpected(close); + return result; + } + return createMissingList(); + } + // The allowReservedWords parameter controls whether reserved words are permitted after the first dot + function parseEntityName(allowReservedWords, diagnosticMessage) { + var entity = parseIdentifier(diagnosticMessage); + while (parseOptional(21 /* DotToken */)) { + var node = createNode(136 /* QualifiedName */, entity.pos); + node.left = entity; + node.right = parseRightSideOfDot(allowReservedWords); + entity = finishNode(node); + } + return entity; + } + function parseRightSideOfDot(allowIdentifierNames) { + // Technically a keyword is valid here as all identifiers and keywords are identifier names. + // However, often we'll encounter this in error situations when the identifier or keyword + // is actually starting another valid construct. + // + // So, we check for the following specific case: + // + // name. + // identifierOrKeyword identifierNameOrKeyword + // + // Note: the newlines are important here. For example, if that above code + // were rewritten into: + // + // name.identifierOrKeyword + // identifierNameOrKeyword + // + // Then we would consider it valid. That's because ASI would take effect and + // the code would be implicitly: "name.identifierOrKeyword; identifierNameOrKeyword". + // In the first case though, ASI will not take effect because there is not a + // line terminator after the identifier or keyword. + if (scanner.hasPrecedingLineBreak() && ts.tokenIsIdentifierOrKeyword(token)) { + var matchesPattern = lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + if (matchesPattern) { + // Report that we need an identifier. However, report it right after the dot, + // and not on the next token. This is because the next token might actually + // be an identifier and the error would be quite confusing. + return createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Identifier_expected); + } + } + return allowIdentifierNames ? parseIdentifierName() : parseIdentifier(); + } + function parseTemplateExpression() { + var template = createNode(186 /* TemplateExpression */); + template.head = parseTemplateLiteralFragment(); + ts.Debug.assert(template.head.kind === 12 /* TemplateHead */, "Template head has wrong token kind"); + var templateSpans = []; + templateSpans.pos = getNodePos(); + do { + templateSpans.push(parseTemplateSpan()); + } while (ts.lastOrUndefined(templateSpans).literal.kind === 13 /* TemplateMiddle */); + templateSpans.end = getNodeEnd(); + template.templateSpans = templateSpans; + return finishNode(template); + } + function parseTemplateSpan() { + var span = createNode(193 /* TemplateSpan */); + span.expression = allowInAnd(parseExpression); + var literal; + if (token === 16 /* CloseBraceToken */) { + reScanTemplateToken(); + literal = parseTemplateLiteralFragment(); + } + else { + literal = parseExpectedToken(14 /* TemplateTail */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(16 /* CloseBraceToken */)); + } + span.literal = literal; + return finishNode(span); + } + function parseStringLiteralTypeNode() { + return parseLiteralLikeNode(163 /* StringLiteralType */, /*internName*/ true); + } + function parseLiteralNode(internName) { + return parseLiteralLikeNode(token, internName); + } + function parseTemplateLiteralFragment() { + return parseLiteralLikeNode(token, /*internName*/ false); + } + function parseLiteralLikeNode(kind, internName) { + var node = createNode(kind); + var text = scanner.getTokenValue(); + node.text = internName ? internIdentifier(text) : text; + if (scanner.hasExtendedUnicodeEscape()) { + node.hasExtendedUnicodeEscape = true; + } + if (scanner.isUnterminated()) { + node.isUnterminated = true; + } + var tokenPos = scanner.getTokenPos(); + nextToken(); + finishNode(node); + // Octal literals are not allowed in strict mode or ES5 + // Note that theoretically the following condition would hold true literals like 009, + // which is not octal.But because of how the scanner separates the tokens, we would + // never get a token like this. Instead, we would get 00 and 9 as two separate tokens. + // We also do not need to check for negatives because any prefix operator would be part of a + // parent unary expression. + if (node.kind === 8 /* NumericLiteral */ + && sourceText.charCodeAt(tokenPos) === 48 /* _0 */ + && ts.isOctalDigit(sourceText.charCodeAt(tokenPos + 1))) { + node.flags |= 32768 /* OctalLiteral */; + } + return node; + } + // TYPES + function parseTypeReference() { + var typeName = parseEntityName(/*allowReservedWords*/ false, ts.Diagnostics.Type_expected); + var node = createNode(152 /* TypeReference */, typeName.pos); + node.typeName = typeName; + if (!scanner.hasPrecedingLineBreak() && token === 25 /* LessThanToken */) { + node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + return finishNode(node); + } + function parseThisTypePredicate(lhs) { + nextToken(); + var node = createNode(151 /* TypePredicate */, lhs.pos); + node.parameterName = lhs; + node.type = parseType(); + return finishNode(node); + } + function parseThisTypeNode() { + var node = createNode(162 /* ThisType */); + nextToken(); + return finishNode(node); + } + function parseTypeQuery() { + var node = createNode(155 /* TypeQuery */); + parseExpected(101 /* TypeOfKeyword */); + node.exprName = parseEntityName(/*allowReservedWords*/ true); + return finishNode(node); + } + function parseTypeParameter() { + var node = createNode(138 /* TypeParameter */); + node.name = parseIdentifier(); + if (parseOptional(83 /* ExtendsKeyword */)) { + // It's not uncommon for people to write improper constraints to a generic. If the + // user writes a constraint that is an expression and not an actual type, then parse + // it out as an expression (so we can recover well), but report that a type is needed + // instead. + if (isStartOfType() || !isStartOfExpression()) { + node.constraint = parseType(); + } + else { + // It was not a type, and it looked like an expression. Parse out an expression + // here so we recover well. Note: it is important that we call parseUnaryExpression + // and not parseExpression here. If the user has: + // + // + // + // We do *not* want to consume the > as we're consuming the expression for "". + node.expression = parseUnaryExpressionOrHigher(); + } + } + return finishNode(node); + } + function parseTypeParameters() { + if (token === 25 /* LessThanToken */) { + return parseBracketedList(17 /* TypeParameters */, parseTypeParameter, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + } + function parseParameterType() { + if (parseOptional(54 /* ColonToken */)) { + return parseType(); + } + return undefined; + } + function isStartOfParameter() { + return token === 22 /* DotDotDotToken */ || isIdentifierOrPattern() || ts.isModifierKind(token) || token === 55 /* AtToken */; + } + function setModifiers(node, modifiers) { + if (modifiers) { + node.flags |= modifiers.flags; + node.modifiers = modifiers; + } + } + function parseParameter() { + var node = createNode(139 /* Parameter */); + node.decorators = parseDecorators(); + setModifiers(node, parseModifiers()); + node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); + // FormalParameter [Yield,Await]: + // BindingElement[?Yield,?Await] + node.name = parseIdentifierOrPattern(); + if (ts.getFullWidth(node.name) === 0 && node.flags === 0 && ts.isModifierKind(token)) { + // in cases like + // 'use strict' + // function foo(static) + // isParameter('static') === true, because of isModifier('static') + // however 'static' is not a legal identifier in a strict mode. + // so result of this function will be ParameterDeclaration (flags = 0, name = missing, type = undefined, initializer = undefined) + // and current token will not change => parsing of the enclosing parameter list will last till the end of time (or OOM) + // to avoid this we'll advance cursor to the next token. + nextToken(); + } + node.questionToken = parseOptionalToken(53 /* QuestionToken */); + node.type = parseParameterType(); + node.initializer = parseBindingElementInitializer(/*inParameter*/ true); + // Do not check for initializers in an ambient context for parameters. This is not + // a grammar error because the grammar allows arbitrary call signatures in + // an ambient context. + // It is actually not necessary for this to be an error at all. The reason is that + // function/constructor implementations are syntactically disallowed in ambient + // contexts. In addition, parameter initializers are semantically disallowed in + // overload signatures. So parameter initializers are transitively disallowed in + // ambient contexts. + return addJSDocComment(finishNode(node)); + } + function parseBindingElementInitializer(inParameter) { + return inParameter ? parseParameterInitializer() : parseNonParameterInitializer(); + } + function parseParameterInitializer() { + return parseInitializer(/*inParameter*/ true); + } + function fillSignature(returnToken, yieldContext, awaitContext, requireCompleteParameterList, signature) { + var returnTokenRequired = returnToken === 34 /* EqualsGreaterThanToken */; + signature.typeParameters = parseTypeParameters(); + signature.parameters = parseParameterList(yieldContext, awaitContext, requireCompleteParameterList); + if (returnTokenRequired) { + parseExpected(returnToken); + signature.type = parseTypeOrTypePredicate(); + } + else if (parseOptional(returnToken)) { + signature.type = parseTypeOrTypePredicate(); + } + } + function parseParameterList(yieldContext, awaitContext, requireCompleteParameterList) { + // FormalParameters [Yield,Await]: (modified) + // [empty] + // FormalParameterList[?Yield,Await] + // + // FormalParameter[Yield,Await]: (modified) + // BindingElement[?Yield,Await] + // + // BindingElement [Yield,Await]: (modified) + // SingleNameBinding[?Yield,?Await] + // BindingPattern[?Yield,?Await]Initializer [In, ?Yield,?Await] opt + // + // SingleNameBinding [Yield,Await]: + // BindingIdentifier[?Yield,?Await]Initializer [In, ?Yield,?Await] opt + if (parseExpected(17 /* OpenParenToken */)) { + var savedYieldContext = inYieldContext(); + var savedAwaitContext = inAwaitContext(); + setYieldContext(yieldContext); + setAwaitContext(awaitContext); + var result = parseDelimitedList(16 /* Parameters */, parseParameter); + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + if (!parseExpected(18 /* CloseParenToken */) && requireCompleteParameterList) { + // Caller insisted that we had to end with a ) We didn't. So just return + // undefined here. + return undefined; + } + return result; + } + // We didn't even have an open paren. If the caller requires a complete parameter list, + // we definitely can't provide that. However, if they're ok with an incomplete one, + // then just return an empty set of parameters. + return requireCompleteParameterList ? undefined : createMissingList(); + } + function parseTypeMemberSemicolon() { + // We allow type members to be separated by commas or (possibly ASI) semicolons. + // First check if it was a comma. If so, we're done with the member. + if (parseOptional(24 /* CommaToken */)) { + return; + } + // Didn't have a comma. We must have a (possible ASI) semicolon. + parseSemicolon(); + } + function parseSignatureMember(kind) { + var node = createNode(kind); + if (kind === 149 /* ConstructSignature */) { + parseExpected(92 /* NewKeyword */); + } + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function isIndexSignature() { + if (token !== 19 /* OpenBracketToken */) { + return false; + } + return lookAhead(isUnambiguouslyIndexSignature); + } + function isUnambiguouslyIndexSignature() { + // The only allowed sequence is: + // + // [id: + // + // However, for error recovery, we also check the following cases: + // + // [... + // [id, + // [id?, + // [id?: + // [id?] + // [public id + // [private id + // [protected id + // [] + // + nextToken(); + if (token === 22 /* DotDotDotToken */ || token === 20 /* CloseBracketToken */) { + return true; + } + if (ts.isModifierKind(token)) { + nextToken(); + if (isIdentifier()) { + return true; + } + } + else if (!isIdentifier()) { + return false; + } + else { + // Skip the identifier + nextToken(); + } + // A colon signifies a well formed indexer + // A comma should be a badly formed indexer because comma expressions are not allowed + // in computed properties. + if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */) { + return true; + } + // Question mark could be an indexer with an optional property, + // or it could be a conditional expression in a computed property. + if (token !== 53 /* QuestionToken */) { + return false; + } + // If any of the following tokens are after the question mark, it cannot + // be a conditional expression, so treat it as an indexer. + nextToken(); + return token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || token === 20 /* CloseBracketToken */; + } + function parseIndexSignatureDeclaration(fullStart, decorators, modifiers) { + var node = createNode(150 /* IndexSignature */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.parameters = parseBracketedList(16 /* Parameters */, parseParameter, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); + node.type = parseTypeAnnotation(); + parseTypeMemberSemicolon(); + return finishNode(node); + } + function parsePropertyOrMethodSignature() { + var fullStart = scanner.getStartPos(); + var name = parsePropertyName(); + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + var method = createNode(143 /* MethodSignature */, fullStart); + method.name = name; + method.questionToken = questionToken; + // Method signatues don't exist in expression contexts. So they have neither + // [Yield] nor [Await] + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, method); + parseTypeMemberSemicolon(); + return finishNode(method); + } + else { + var property = createNode(141 /* PropertySignature */, fullStart); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + if (token === 56 /* EqualsToken */) { + // Although type literal properties cannot not have initializers, we attempt + // to parse an initializer so we can report in the checker that an interface + // property or type literal property cannot have an initializer. + property.initializer = parseNonParameterInitializer(); + } + parseTypeMemberSemicolon(); + return finishNode(property); + } + } + function isStartOfTypeMember() { + switch (token) { + case 17 /* OpenParenToken */: + case 25 /* LessThanToken */: + case 19 /* OpenBracketToken */: + return true; + default: + if (ts.isModifierKind(token)) { + var result = lookAhead(isStartOfIndexSignatureDeclaration); + if (result) { + return result; + } + } + return isLiteralPropertyName() && lookAhead(isTypeMemberWithLiteralPropertyName); + } + } + function isStartOfIndexSignatureDeclaration() { + while (ts.isModifierKind(token)) { + nextToken(); + } + return isIndexSignature(); + } + function isTypeMemberWithLiteralPropertyName() { + nextToken(); + return token === 17 /* OpenParenToken */ || + token === 25 /* LessThanToken */ || + token === 53 /* QuestionToken */ || + token === 54 /* ColonToken */ || + canParseSemicolon(); + } + function parseTypeMember() { + switch (token) { + case 17 /* OpenParenToken */: + case 25 /* LessThanToken */: + return parseSignatureMember(148 /* CallSignature */); + case 19 /* OpenBracketToken */: + // Indexer or computed property + return isIndexSignature() + ? parseIndexSignatureDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined) + : parsePropertyOrMethodSignature(); + case 92 /* NewKeyword */: + if (lookAhead(isStartOfConstructSignature)) { + return parseSignatureMember(149 /* ConstructSignature */); + } + // fall through. + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + return parsePropertyOrMethodSignature(); + default: + // Index declaration as allowed as a type member. But as per the grammar, + // they also allow modifiers. So we have to check for an index declaration + // that might be following modifiers. This ensures that things work properly + // when incrementally parsing as the parser will produce the Index declaration + // if it has the same text regardless of whether it is inside a class or an + // object type. + if (ts.isModifierKind(token)) { + var result = tryParse(parseIndexSignatureWithModifiers); + if (result) { + return result; + } + } + if (ts.tokenIsIdentifierOrKeyword(token)) { + return parsePropertyOrMethodSignature(); + } + } + } + function parseIndexSignatureWithModifiers() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + return isIndexSignature() + ? parseIndexSignatureDeclaration(fullStart, decorators, modifiers) + : undefined; + } + function isStartOfConstructSignature() { + nextToken(); + return token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */; + } + function parseTypeLiteral() { + var node = createNode(156 /* TypeLiteral */); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseObjectTypeMembers() { + var members; + if (parseExpected(15 /* OpenBraceToken */)) { + members = parseList(4 /* TypeMembers */, parseTypeMember); + parseExpected(16 /* CloseBraceToken */); + } + else { + members = createMissingList(); + } + return members; + } + function parseTupleType() { + var node = createNode(158 /* TupleType */); + node.elementTypes = parseBracketedList(19 /* TupleElementTypes */, parseType, 19 /* OpenBracketToken */, 20 /* CloseBracketToken */); + return finishNode(node); + } + function parseParenthesizedType() { + var node = createNode(161 /* ParenthesizedType */); + parseExpected(17 /* OpenParenToken */); + node.type = parseType(); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseFunctionOrConstructorType(kind) { + var node = createNode(kind); + if (kind === 154 /* ConstructorType */) { + parseExpected(92 /* NewKeyword */); + } + fillSignature(34 /* EqualsGreaterThanToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + return finishNode(node); + } + function parseKeywordAndNoDot() { + var node = parseTokenNode(); + return token === 21 /* DotToken */ ? undefined : node; + } + function parseNonArrayType() { + switch (token) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + // If these are followed by a dot, then parse these out as a dotted type reference instead. + var node = tryParse(parseKeywordAndNoDot); + return node || parseTypeReference(); + case 9 /* StringLiteral */: + return parseStringLiteralTypeNode(); + case 103 /* VoidKeyword */: + return parseTokenNode(); + case 97 /* ThisKeyword */: { + var thisKeyword = parseThisTypeNode(); + if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { + return parseThisTypePredicate(thisKeyword); + } + else { + return thisKeyword; + } + } + case 101 /* TypeOfKeyword */: + return parseTypeQuery(); + case 15 /* OpenBraceToken */: + return parseTypeLiteral(); + case 19 /* OpenBracketToken */: + return parseTupleType(); + case 17 /* OpenParenToken */: + return parseParenthesizedType(); + default: + return parseTypeReference(); + } + } + function isStartOfType() { + switch (token) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 97 /* ThisKeyword */: + case 101 /* TypeOfKeyword */: + case 15 /* OpenBraceToken */: + case 19 /* OpenBracketToken */: + case 25 /* LessThanToken */: + case 92 /* NewKeyword */: + case 9 /* StringLiteral */: + return true; + case 17 /* OpenParenToken */: + // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier, + // or something that starts a type. We don't want to consider things like '(1)' a type. + return lookAhead(isStartOfParenthesizedOrFunctionType); + default: + return isIdentifier(); + } + } + function isStartOfParenthesizedOrFunctionType() { + nextToken(); + return token === 18 /* CloseParenToken */ || isStartOfParameter() || isStartOfType(); + } + function parseArrayTypeOrHigher() { + var type = parseNonArrayType(); + while (!scanner.hasPrecedingLineBreak() && parseOptional(19 /* OpenBracketToken */)) { + parseExpected(20 /* CloseBracketToken */); + var node = createNode(157 /* ArrayType */, type.pos); + node.elementType = type; + type = finishNode(node); + } + return type; + } + function parseUnionOrIntersectionType(kind, parseConstituentType, operator) { + var type = parseConstituentType(); + if (token === operator) { + var types = [type]; + types.pos = type.pos; + while (parseOptional(operator)) { + types.push(parseConstituentType()); + } + types.end = getNodeEnd(); + var node = createNode(kind, type.pos); + node.types = types; + type = finishNode(node); + } + return type; + } + function parseIntersectionTypeOrHigher() { + return parseUnionOrIntersectionType(160 /* IntersectionType */, parseArrayTypeOrHigher, 46 /* AmpersandToken */); + } + function parseUnionTypeOrHigher() { + return parseUnionOrIntersectionType(159 /* UnionType */, parseIntersectionTypeOrHigher, 47 /* BarToken */); + } + function isStartOfFunctionType() { + if (token === 25 /* LessThanToken */) { + return true; + } + return token === 17 /* OpenParenToken */ && lookAhead(isUnambiguouslyStartOfFunctionType); + } + function isUnambiguouslyStartOfFunctionType() { + nextToken(); + if (token === 18 /* CloseParenToken */ || token === 22 /* DotDotDotToken */) { + // ( ) + // ( ... + return true; + } + if (isIdentifier() || ts.isModifierKind(token)) { + nextToken(); + if (token === 54 /* ColonToken */ || token === 24 /* CommaToken */ || + token === 53 /* QuestionToken */ || token === 56 /* EqualsToken */ || + isIdentifier() || ts.isModifierKind(token)) { + // ( id : + // ( id , + // ( id ? + // ( id = + // ( modifier id + return true; + } + if (token === 18 /* CloseParenToken */) { + nextToken(); + if (token === 34 /* EqualsGreaterThanToken */) { + // ( id ) => + return true; + } + } + } + return false; + } + function parseTypeOrTypePredicate() { + var typePredicateVariable = isIdentifier() && tryParse(parseTypePredicatePrefix); + var type = parseType(); + if (typePredicateVariable) { + var node = createNode(151 /* TypePredicate */, typePredicateVariable.pos); + node.parameterName = typePredicateVariable; + node.type = type; + return finishNode(node); + } + else { + return type; + } + } + function parseTypePredicatePrefix() { + var id = parseIdentifier(); + if (token === 124 /* IsKeyword */ && !scanner.hasPrecedingLineBreak()) { + nextToken(); + return id; + } + } + function parseType() { + // The rules about 'yield' only apply to actual code/expression contexts. They don't + // apply to 'type' contexts. So we disable these parameters here before moving on. + return doOutsideOfContext(10 /* TypeExcludesFlags */, parseTypeWorker); + } + function parseTypeWorker() { + if (isStartOfFunctionType()) { + return parseFunctionOrConstructorType(153 /* FunctionType */); + } + if (token === 92 /* NewKeyword */) { + return parseFunctionOrConstructorType(154 /* ConstructorType */); + } + return parseUnionTypeOrHigher(); + } + function parseTypeAnnotation() { + return parseOptional(54 /* ColonToken */) ? parseType() : undefined; + } + // EXPRESSIONS + function isStartOfLeftHandSideExpression() { + switch (token) { + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 12 /* TemplateHead */: + case 17 /* OpenParenToken */: + case 19 /* OpenBracketToken */: + case 15 /* OpenBraceToken */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 92 /* NewKeyword */: + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + case 69 /* Identifier */: + return true; + default: + return isIdentifier(); + } + } + function isStartOfExpression() { + if (isStartOfLeftHandSideExpression()) { + return true; + } + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 78 /* DeleteKeyword */: + case 101 /* TypeOfKeyword */: + case 103 /* VoidKeyword */: + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + case 25 /* LessThanToken */: + case 119 /* AwaitKeyword */: + case 114 /* YieldKeyword */: + // Yield/await always starts an expression. Either it is an identifier (in which case + // it is definitely an expression). Or it's a keyword (either because we're in + // a generator or async function, or in strict mode (or both)) and it started a yield or await expression. + return true; + default: + // Error tolerance. If we see the start of some binary operator, we consider + // that the start of an expression. That way we'll parse out a missing identifier, + // give a good message about an identifier being missing, and then consume the + // rest of the binary expression. + if (isBinaryOperator()) { + return true; + } + return isIdentifier(); + } + } + function isStartOfExpressionStatement() { + // As per the grammar, none of '{' or 'function' or 'class' can start an expression statement. + return token !== 15 /* OpenBraceToken */ && + token !== 87 /* FunctionKeyword */ && + token !== 73 /* ClassKeyword */ && + token !== 55 /* AtToken */ && + isStartOfExpression(); + } + function parseExpression() { + // Expression[in]: + // AssignmentExpression[in] + // Expression[in] , AssignmentExpression[in] + // clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var expr = parseAssignmentExpressionOrHigher(); + var operatorToken; + while ((operatorToken = parseOptionalToken(24 /* CommaToken */))) { + expr = makeBinaryExpression(expr, operatorToken, parseAssignmentExpressionOrHigher()); + } + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + return expr; + } + function parseInitializer(inParameter) { + if (token !== 56 /* EqualsToken */) { + // It's not uncommon during typing for the user to miss writing the '=' token. Check if + // there is no newline after the last token and if we're on an expression. If so, parse + // this as an equals-value clause with a missing equals. + // NOTE: There are two places where we allow equals-value clauses. The first is in a + // variable declarator. The second is with a parameter. For variable declarators + // it's more likely that a { would be a allowed (as an object literal). While this + // is also allowed for parameters, the risk is that we consume the { as an object + // literal when it really will be for the block following the parameter. + if (scanner.hasPrecedingLineBreak() || (inParameter && token === 15 /* OpenBraceToken */) || !isStartOfExpression()) { + // preceding line break, open brace in a parameter (likely a function body) or current token is not an expression - + // do not try to parse initializer + return undefined; + } + } + // Initializer[In, Yield] : + // = AssignmentExpression[?In, ?Yield] + parseExpected(56 /* EqualsToken */); + return parseAssignmentExpressionOrHigher(); + } + function parseAssignmentExpressionOrHigher() { + // AssignmentExpression[in,yield]: + // 1) ConditionalExpression[?in,?yield] + // 2) LeftHandSideExpression = AssignmentExpression[?in,?yield] + // 3) LeftHandSideExpression AssignmentOperator AssignmentExpression[?in,?yield] + // 4) ArrowFunctionExpression[?in,?yield] + // 5) [+Yield] YieldExpression[?In] + // + // Note: for ease of implementation we treat productions '2' and '3' as the same thing. + // (i.e. they're both BinaryExpressions with an assignment operator in it). + // First, do the simple check if we have a YieldExpression (production '5'). + if (isYieldExpression()) { + return parseYieldExpression(); + } + // Then, check if we have an arrow function (production '4') that starts with a parenthesized + // parameter list. If we do, we must *not* recurse for productions 1, 2 or 3. An ArrowFunction is + // not a LeftHandSideExpression, nor does it start a ConditionalExpression. So we are done + // with AssignmentExpression if we see one. + var arrowExpression = tryParseParenthesizedArrowFunctionExpression(); + if (arrowExpression) { + return arrowExpression; + } + // Now try to see if we're in production '1', '2' or '3'. A conditional expression can + // start with a LogicalOrExpression, while the assignment productions can only start with + // LeftHandSideExpressions. + // + // So, first, we try to just parse out a BinaryExpression. If we get something that is a + // LeftHandSide or higher, then we can try to parse out the assignment expression part. + // Otherwise, we try to parse out the conditional expression bit. We want to allow any + // binary expression here, so we pass in the 'lowest' precedence here so that it matches + // and consumes anything. + var expr = parseBinaryExpressionOrHigher(/*precedence*/ 0); + // To avoid a look-ahead, we did not handle the case of an arrow function with a single un-parenthesized + // parameter ('x => ...') above. We handle it here by checking if the parsed expression was a single + // identifier and the current token is an arrow. + if (expr.kind === 69 /* Identifier */ && token === 34 /* EqualsGreaterThanToken */) { + return parseSimpleArrowFunctionExpression(expr); + } + // Now see if we might be in cases '2' or '3'. + // If the expression was a LHS expression, and we have an assignment operator, then + // we're in '2' or '3'. Consume the assignment and return. + // + // Note: we call reScanGreaterToken so that we get an appropriately merged token + // for cases like > > = becoming >>= + if (ts.isLeftHandSideExpression(expr) && ts.isAssignmentOperator(reScanGreaterToken())) { + return makeBinaryExpression(expr, parseTokenNode(), parseAssignmentExpressionOrHigher()); + } + // It wasn't an assignment or a lambda. This is a conditional expression: + return parseConditionalExpressionRest(expr); + } + function isYieldExpression() { + if (token === 114 /* YieldKeyword */) { + // If we have a 'yield' keyword, and htis is a context where yield expressions are + // allowed, then definitely parse out a yield expression. + if (inYieldContext()) { + return true; + } + // We're in a context where 'yield expr' is not allowed. However, if we can + // definitely tell that the user was trying to parse a 'yield expr' and not + // just a normal expr that start with a 'yield' identifier, then parse out + // a 'yield expr'. We can then report an error later that they are only + // allowed in generator expressions. + // + // for example, if we see 'yield(foo)', then we'll have to treat that as an + // invocation expression of something called 'yield'. However, if we have + // 'yield foo' then that is not legal as a normal expression, so we can + // definitely recognize this as a yield expression. + // + // for now we just check if the next token is an identifier. More heuristics + // can be added here later as necessary. We just need to make sure that we + // don't accidently consume something legal. + return lookAhead(nextTokenIsIdentifierOrKeywordOrNumberOnSameLine); + } + return false; + } + function nextTokenIsIdentifierOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && isIdentifier(); + } + function parseYieldExpression() { + var node = createNode(187 /* YieldExpression */); + // YieldExpression[In] : + // yield + // yield [no LineTerminator here] [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] + // yield [no LineTerminator here] * [Lexical goal InputElementRegExp]AssignmentExpression[?In, Yield] + nextToken(); + if (!scanner.hasPrecedingLineBreak() && + (token === 37 /* AsteriskToken */ || isStartOfExpression())) { + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + else { + // if the next token is not on the same line as yield. or we don't have an '*' or + // the start of an expressin, then this is just a simple "yield" expression. + return finishNode(node); + } + } + function parseSimpleArrowFunctionExpression(identifier) { + ts.Debug.assert(token === 34 /* EqualsGreaterThanToken */, "parseSimpleArrowFunctionExpression should only have been called if we had a =>"); + var node = createNode(177 /* ArrowFunction */, identifier.pos); + var parameter = createNode(139 /* Parameter */, identifier.pos); + parameter.name = identifier; + finishNode(parameter); + node.parameters = [parameter]; + node.parameters.pos = parameter.pos; + node.parameters.end = parameter.end; + node.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); + node.body = parseArrowFunctionExpressionBody(/*isAsync*/ false); + return finishNode(node); + } + function tryParseParenthesizedArrowFunctionExpression() { + var triState = isParenthesizedArrowFunctionExpression(); + if (triState === 0 /* False */) { + // It's definitely not a parenthesized arrow function expression. + return undefined; + } + // If we definitely have an arrow function, then we can just parse one, not requiring a + // following => or { token. Otherwise, we *might* have an arrow function. Try to parse + // it out, but don't allow any ambiguity, and return 'undefined' if this could be an + // expression instead. + var arrowFunction = triState === 1 /* True */ + ? parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ true) + : tryParse(parsePossibleParenthesizedArrowFunctionExpressionHead); + if (!arrowFunction) { + // Didn't appear to actually be a parenthesized arrow function. Just bail out. + return undefined; + } + var isAsync = !!(arrowFunction.flags & 256 /* Async */); + // If we have an arrow, then try to parse the body. Even if not, try to parse if we + // have an opening brace, just in case we're in an error state. + var lastToken = token; + arrowFunction.equalsGreaterThanToken = parseExpectedToken(34 /* EqualsGreaterThanToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, "=>"); + arrowFunction.body = (lastToken === 34 /* EqualsGreaterThanToken */ || lastToken === 15 /* OpenBraceToken */) + ? parseArrowFunctionExpressionBody(isAsync) + : parseIdentifier(); + return finishNode(arrowFunction); + } + // True -> We definitely expect a parenthesized arrow function here. + // False -> There *cannot* be a parenthesized arrow function here. + // Unknown -> There *might* be a parenthesized arrow function here. + // Speculatively look ahead to be sure, and rollback if not. + function isParenthesizedArrowFunctionExpression() { + if (token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */ || token === 118 /* AsyncKeyword */) { + return lookAhead(isParenthesizedArrowFunctionExpressionWorker); + } + if (token === 34 /* EqualsGreaterThanToken */) { + // ERROR RECOVERY TWEAK: + // If we see a standalone => try to parse it as an arrow function expression as that's + // likely what the user intended to write. + return 1 /* True */; + } + // Definitely not a parenthesized arrow function. + return 0 /* False */; + } + function isParenthesizedArrowFunctionExpressionWorker() { + if (token === 118 /* AsyncKeyword */) { + nextToken(); + if (scanner.hasPrecedingLineBreak()) { + return 0 /* False */; + } + if (token !== 17 /* OpenParenToken */ && token !== 25 /* LessThanToken */) { + return 0 /* False */; + } + } + var first = token; + var second = nextToken(); + if (first === 17 /* OpenParenToken */) { + if (second === 18 /* CloseParenToken */) { + // Simple cases: "() =>", "(): ", and "() {". + // This is an arrow function with no parameters. + // The last one is not actually an arrow function, + // but this is probably what the user intended. + var third = nextToken(); + switch (third) { + case 34 /* EqualsGreaterThanToken */: + case 54 /* ColonToken */: + case 15 /* OpenBraceToken */: + return 1 /* True */; + default: + return 0 /* False */; + } + } + // If encounter "([" or "({", this could be the start of a binding pattern. + // Examples: + // ([ x ]) => { } + // ({ x }) => { } + // ([ x ]) + // ({ x }) + if (second === 19 /* OpenBracketToken */ || second === 15 /* OpenBraceToken */) { + return 2 /* Unknown */; + } + // Simple case: "(..." + // This is an arrow function with a rest parameter. + if (second === 22 /* DotDotDotToken */) { + return 1 /* True */; + } + // If we had "(" followed by something that's not an identifier, + // then this definitely doesn't look like a lambda. + // Note: we could be a little more lenient and allow + // "(public" or "(private". These would not ever actually be allowed, + // but we could provide a good error message instead of bailing out. + if (!isIdentifier()) { + return 0 /* False */; + } + // If we have something like "(a:", then we must have a + // type-annotated parameter in an arrow function expression. + if (nextToken() === 54 /* ColonToken */) { + return 1 /* True */; + } + // This *could* be a parenthesized arrow function. + // Return Unknown to let the caller know. + return 2 /* Unknown */; + } + else { + ts.Debug.assert(first === 25 /* LessThanToken */); + // If we have "<" not followed by an identifier, + // then this definitely is not an arrow function. + if (!isIdentifier()) { + return 0 /* False */; + } + // JSX overrides + if (sourceFile.languageVariant === 1 /* JSX */) { + var isArrowFunctionInJsx = lookAhead(function () { + var third = nextToken(); + if (third === 83 /* ExtendsKeyword */) { + var fourth = nextToken(); + switch (fourth) { + case 56 /* EqualsToken */: + case 27 /* GreaterThanToken */: + return false; + default: + return true; + } + } + else if (third === 24 /* CommaToken */) { + return true; + } + return false; + }); + if (isArrowFunctionInJsx) { + return 1 /* True */; + } + return 0 /* False */; + } + // This *could* be a parenthesized arrow function. + return 2 /* Unknown */; + } + } + function parsePossibleParenthesizedArrowFunctionExpressionHead() { + return parseParenthesizedArrowFunctionExpressionHead(/*allowAmbiguity*/ false); + } + function parseParenthesizedArrowFunctionExpressionHead(allowAmbiguity) { + var node = createNode(177 /* ArrowFunction */); + setModifiers(node, parseModifiersForArrowFunction()); + var isAsync = !!(node.flags & 256 /* Async */); + // Arrow functions are never generators. + // + // If we're speculatively parsing a signature for a parenthesized arrow function, then + // we have to have a complete parameter list. Otherwise we might see something like + // a => (b => c) + // And think that "(b =>" was actually a parenthesized arrow function with a missing + // close paren. + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ !allowAmbiguity, node); + // If we couldn't get parameters, we definitely could not parse out an arrow function. + if (!node.parameters) { + return undefined; + } + // Parsing a signature isn't enough. + // Parenthesized arrow signatures often look like other valid expressions. + // For instance: + // - "(x = 10)" is an assignment expression parsed as a signature with a default parameter value. + // - "(x,y)" is a comma expression parsed as a signature with two parameters. + // - "a ? (b): c" will have "(b):" parsed as a signature with a return type annotation. + // + // So we need just a bit of lookahead to ensure that it can only be a signature. + if (!allowAmbiguity && token !== 34 /* EqualsGreaterThanToken */ && token !== 15 /* OpenBraceToken */) { + // Returning undefined here will cause our caller to rewind to where we started from. + return undefined; + } + return node; + } + function parseArrowFunctionExpressionBody(isAsync) { + if (token === 15 /* OpenBraceToken */) { + return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); + } + if (token !== 23 /* SemicolonToken */ && + token !== 87 /* FunctionKeyword */ && + token !== 73 /* ClassKeyword */ && + isStartOfStatement() && + !isStartOfExpressionStatement()) { + // Check if we got a plain statement (i.e. no expression-statements, no function/class expressions/declarations) + // + // Here we try to recover from a potential error situation in the case where the + // user meant to supply a block. For example, if the user wrote: + // + // a => + // let v = 0; + // } + // + // they may be missing an open brace. Check to see if that's the case so we can + // try to recover better. If we don't do this, then the next close curly we see may end + // up preemptively closing the containing construct. + // + // Note: even when 'ignoreMissingOpenBrace' is passed as true, parseBody will still error. + return parseFunctionBlock(/*allowYield*/ false, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ true); + } + return isAsync + ? doInAwaitContext(parseAssignmentExpressionOrHigher) + : doOutsideOfAwaitContext(parseAssignmentExpressionOrHigher); + } + function parseConditionalExpressionRest(leftOperand) { + // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (!questionToken) { + return leftOperand; + } + // Note: we explicitly 'allowIn' in the whenTrue part of the condition expression, and + // we do not that for the 'whenFalse' part. + var node = createNode(185 /* ConditionalExpression */, leftOperand.pos); + node.condition = leftOperand; + node.questionToken = questionToken; + node.whenTrue = doOutsideOfContext(disallowInAndDecoratorContext, parseAssignmentExpressionOrHigher); + node.colonToken = parseExpectedToken(54 /* ColonToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics._0_expected, ts.tokenToString(54 /* ColonToken */)); + node.whenFalse = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseBinaryExpressionOrHigher(precedence) { + var leftOperand = parseUnaryExpressionOrHigher(); + return parseBinaryExpressionRest(precedence, leftOperand); + } + function isInOrOfKeyword(t) { + return t === 90 /* InKeyword */ || t === 135 /* OfKeyword */; + } + function parseBinaryExpressionRest(precedence, leftOperand) { + while (true) { + // We either have a binary operator here, or we're finished. We call + // reScanGreaterToken so that we merge token sequences like > and = into >= + reScanGreaterToken(); + var newPrecedence = getBinaryOperatorPrecedence(); + // Check the precedence to see if we should "take" this operator + // - For left associative operator (all operator but **), consume the operator, + // recursively call the function below, and parse binaryExpression as a rightOperand + // of the caller if the new precendence of the operator is greater then or equal to the current precendence. + // For example: + // a - b - c; + // ^token; leftOperand = b. Return b to the caller as a rightOperand + // a * b - c + // ^token; leftOperand = b. Return b to the caller as a rightOperand + // a - b * c; + // ^token; leftOperand = b. Return b * c to the caller as a rightOperand + // - For right associative operator (**), consume the operator, recursively call the function + // and parse binaryExpression as a rightOperand of the caller if the new precendence of + // the operator is strictly grater than the current precendence + // For example: + // a ** b ** c; + // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand + // a - b ** c; + // ^^token; leftOperand = b. Return b ** c to the caller as a rightOperand + // a ** b - c + // ^token; leftOperand = b. Return b to the caller as a rightOperand + var consumeCurrentOperator = token === 38 /* AsteriskAsteriskToken */ ? + newPrecedence >= precedence : + newPrecedence > precedence; + if (!consumeCurrentOperator) { + break; + } + if (token === 90 /* InKeyword */ && inDisallowInContext()) { + break; + } + if (token === 116 /* AsKeyword */) { + // Make sure we *do* perform ASI for constructs like this: + // var x = foo + // as (Bar) + // This should be parsed as an initialized variable, followed + // by a function call to 'as' with the argument 'Bar' + if (scanner.hasPrecedingLineBreak()) { + break; + } + else { + nextToken(); + leftOperand = makeAsExpression(leftOperand, parseType()); + } + } + else { + leftOperand = makeBinaryExpression(leftOperand, parseTokenNode(), parseBinaryExpressionOrHigher(newPrecedence)); + } + } + return leftOperand; + } + function isBinaryOperator() { + if (inDisallowInContext() && token === 90 /* InKeyword */) { + return false; + } + return getBinaryOperatorPrecedence() > 0; + } + function getBinaryOperatorPrecedence() { + switch (token) { + case 52 /* BarBarToken */: + return 1; + case 51 /* AmpersandAmpersandToken */: + return 2; + case 47 /* BarToken */: + return 3; + case 48 /* CaretToken */: + return 4; + case 46 /* AmpersandToken */: + return 5; + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + return 6; + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + case 91 /* InstanceOfKeyword */: + case 90 /* InKeyword */: + case 116 /* AsKeyword */: + return 7; + case 43 /* LessThanLessThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + return 8; + case 35 /* PlusToken */: + case 36 /* MinusToken */: + return 9; + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + return 10; + case 38 /* AsteriskAsteriskToken */: + return 11; + } + // -1 is lower than all other precedences. Returning it will cause binary expression + // parsing to stop. + return -1; + } + function makeBinaryExpression(left, operatorToken, right) { + var node = createNode(184 /* BinaryExpression */, left.pos); + node.left = left; + node.operatorToken = operatorToken; + node.right = right; + return finishNode(node); + } + function makeAsExpression(left, right) { + var node = createNode(192 /* AsExpression */, left.pos); + node.expression = left; + node.type = right; + return finishNode(node); + } + function parsePrefixUnaryExpression() { + var node = createNode(182 /* PrefixUnaryExpression */); + node.operator = token; + nextToken(); + node.operand = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseDeleteExpression() { + var node = createNode(178 /* DeleteExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseTypeOfExpression() { + var node = createNode(179 /* TypeOfExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseVoidExpression() { + var node = createNode(180 /* VoidExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function isAwaitExpression() { + if (token === 119 /* AwaitKeyword */) { + if (inAwaitContext()) { + return true; + } + // here we are using similar heuristics as 'isYieldExpression' + return lookAhead(nextTokenIsIdentifierOnSameLine); + } + return false; + } + function parseAwaitExpression() { + var node = createNode(181 /* AwaitExpression */); + nextToken(); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + /** + * Parse ES7 unary expression and await expression + * + * ES7 UnaryExpression: + * 1) SimpleUnaryExpression[?yield] + * 2) IncrementExpression[?yield] ** UnaryExpression[?yield] + */ + function parseUnaryExpressionOrHigher() { + if (isAwaitExpression()) { + return parseAwaitExpression(); + } + if (isIncrementExpression()) { + var incrementExpression = parseIncrementExpression(); + return token === 38 /* AsteriskAsteriskToken */ ? + parseBinaryExpressionRest(getBinaryOperatorPrecedence(), incrementExpression) : + incrementExpression; + } + var unaryOperator = token; + var simpleUnaryExpression = parseSimpleUnaryExpression(); + if (token === 38 /* AsteriskAsteriskToken */) { + var start = ts.skipTrivia(sourceText, simpleUnaryExpression.pos); + if (simpleUnaryExpression.kind === 174 /* TypeAssertionExpression */) { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.A_type_assertion_expression_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses); + } + else { + parseErrorAtPosition(start, simpleUnaryExpression.end - start, ts.Diagnostics.An_unary_expression_with_the_0_operator_is_not_allowed_in_the_left_hand_side_of_an_exponentiation_expression_Consider_enclosing_the_expression_in_parentheses, ts.tokenToString(unaryOperator)); + } + } + return simpleUnaryExpression; + } + /** + * Parse ES7 simple-unary expression or higher: + * + * ES7 SimpleUnaryExpression: + * 1) IncrementExpression[?yield] + * 2) delete UnaryExpression[?yield] + * 3) void UnaryExpression[?yield] + * 4) typeof UnaryExpression[?yield] + * 5) + UnaryExpression[?yield] + * 6) - UnaryExpression[?yield] + * 7) ~ UnaryExpression[?yield] + * 8) ! UnaryExpression[?yield] + */ + function parseSimpleUnaryExpression() { + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + return parsePrefixUnaryExpression(); + case 78 /* DeleteKeyword */: + return parseDeleteExpression(); + case 101 /* TypeOfKeyword */: + return parseTypeOfExpression(); + case 103 /* VoidKeyword */: + return parseVoidExpression(); + case 25 /* LessThanToken */: + // This is modified UnaryExpression grammar in TypeScript + // UnaryExpression (modified): + // < type > UnaryExpression + return parseTypeAssertion(); + default: + return parseIncrementExpression(); + } + } + /** + * Check if the current token can possibly be an ES7 increment expression. + * + * ES7 IncrementExpression: + * LeftHandSideExpression[?Yield] + * LeftHandSideExpression[?Yield][no LineTerminator here]++ + * LeftHandSideExpression[?Yield][no LineTerminator here]-- + * ++LeftHandSideExpression[?Yield] + * --LeftHandSideExpression[?Yield] + */ + function isIncrementExpression() { + // This function is called inside parseUnaryExpression to decide + // whether to call parseSimpleUnaryExpression or call parseIncrmentExpression directly + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 78 /* DeleteKeyword */: + case 101 /* TypeOfKeyword */: + case 103 /* VoidKeyword */: + return false; + case 25 /* LessThanToken */: + // If we are not in JSX context, we are parsing TypeAssertion which is an UnaryExpression + if (sourceFile.languageVariant !== 1 /* JSX */) { + return false; + } + // We are in JSX context and the token is part of JSXElement. + // Fall through + default: + return true; + } + } + /** + * Parse ES7 IncrementExpression. IncrementExpression is used instead of ES6's PostFixExpression. + * + * ES7 IncrementExpression[yield]: + * 1) LeftHandSideExpression[?yield] + * 2) LeftHandSideExpression[?yield] [[no LineTerminator here]]++ + * 3) LeftHandSideExpression[?yield] [[no LineTerminator here]]-- + * 4) ++LeftHandSideExpression[?yield] + * 5) --LeftHandSideExpression[?yield] + * In TypeScript (2), (3) are parsed as PostfixUnaryExpression. (4), (5) are parsed as PrefixUnaryExpression + */ + function parseIncrementExpression() { + if (token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) { + var node = createNode(182 /* PrefixUnaryExpression */); + node.operator = token; + nextToken(); + node.operand = parseLeftHandSideExpressionOrHigher(); + return finishNode(node); + } + else if (sourceFile.languageVariant === 1 /* JSX */ && token === 25 /* LessThanToken */ && lookAhead(nextTokenIsIdentifierOrKeyword)) { + // JSXElement is part of primaryExpression + return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); + } + var expression = parseLeftHandSideExpressionOrHigher(); + ts.Debug.assert(ts.isLeftHandSideExpression(expression)); + if ((token === 41 /* PlusPlusToken */ || token === 42 /* MinusMinusToken */) && !scanner.hasPrecedingLineBreak()) { + var node = createNode(183 /* PostfixUnaryExpression */, expression.pos); + node.operand = expression; + node.operator = token; + nextToken(); + return finishNode(node); + } + return expression; + } + function parseLeftHandSideExpressionOrHigher() { + // Original Ecma: + // LeftHandSideExpression: See 11.2 + // NewExpression + // CallExpression + // + // Our simplification: + // + // LeftHandSideExpression: See 11.2 + // MemberExpression + // CallExpression + // + // See comment in parseMemberExpressionOrHigher on how we replaced NewExpression with + // MemberExpression to make our lives easier. + // + // to best understand the below code, it's important to see how CallExpression expands + // out into its own productions: + // + // CallExpression: + // MemberExpression Arguments + // CallExpression Arguments + // CallExpression[Expression] + // CallExpression.IdentifierName + // super ( ArgumentListopt ) + // super.IdentifierName + // + // Because of the recursion in these calls, we need to bottom out first. There are two + // bottom out states we can run into. Either we see 'super' which must start either of + // the last two CallExpression productions. Or we have a MemberExpression which either + // completes the LeftHandSideExpression, or starts the beginning of the first four + // CallExpression productions. + var expression = token === 95 /* SuperKeyword */ + ? parseSuperExpression() + : parseMemberExpressionOrHigher(); + // Now, we *may* be complete. However, we might have consumed the start of a + // CallExpression. As such, we need to consume the rest of it here to be complete. + return parseCallExpressionRest(expression); + } + function parseMemberExpressionOrHigher() { + // Note: to make our lives simpler, we decompose the the NewExpression productions and + // place ObjectCreationExpression and FunctionExpression into PrimaryExpression. + // like so: + // + // PrimaryExpression : See 11.1 + // this + // Identifier + // Literal + // ArrayLiteral + // ObjectLiteral + // (Expression) + // FunctionExpression + // new MemberExpression Arguments? + // + // MemberExpression : See 11.2 + // PrimaryExpression + // MemberExpression[Expression] + // MemberExpression.IdentifierName + // + // CallExpression : See 11.2 + // MemberExpression + // CallExpression Arguments + // CallExpression[Expression] + // CallExpression.IdentifierName + // + // Technically this is ambiguous. i.e. CallExpression defines: + // + // CallExpression: + // CallExpression Arguments + // + // If you see: "new Foo()" + // + // Then that could be treated as a single ObjectCreationExpression, or it could be + // treated as the invocation of "new Foo". We disambiguate that in code (to match + // the original grammar) by making sure that if we see an ObjectCreationExpression + // we always consume arguments if they are there. So we treat "new Foo()" as an + // object creation only, and not at all as an invocation) Another way to think + // about this is that for every "new" that we see, we will consume an argument list if + // it is there as part of the *associated* object creation node. Any additional + // argument lists we see, will become invocation expressions. + // + // Because there are no other places in the grammar now that refer to FunctionExpression + // or ObjectCreationExpression, it is safe to push down into the PrimaryExpression + // production. + // + // Because CallExpression and MemberExpression are left recursive, we need to bottom out + // of the recursion immediately. So we parse out a primary expression to start with. + var expression = parsePrimaryExpression(); + return parseMemberExpressionRest(expression); + } + function parseSuperExpression() { + var expression = parseTokenNode(); + if (token === 17 /* OpenParenToken */ || token === 21 /* DotToken */ || token === 19 /* OpenBracketToken */) { + return expression; + } + // If we have seen "super" it must be followed by '(' or '.'. + // If it wasn't then just try to parse out a '.' and report an error. + var node = createNode(169 /* PropertyAccessExpression */, expression.pos); + node.expression = expression; + node.dotToken = parseExpectedToken(21 /* DotToken */, /*reportAtCurrentPosition*/ false, ts.Diagnostics.super_must_be_followed_by_an_argument_list_or_member_access); + node.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); + return finishNode(node); + } + function tagNamesAreEquivalent(lhs, rhs) { + if (lhs.kind !== rhs.kind) { + return false; + } + if (lhs.kind === 69 /* Identifier */) { + return lhs.text === rhs.text; + } + return lhs.right.text === rhs.right.text && + tagNamesAreEquivalent(lhs.left, rhs.left); + } + function parseJsxElementOrSelfClosingElement(inExpressionContext) { + var opening = parseJsxOpeningOrSelfClosingElement(inExpressionContext); + var result; + if (opening.kind === 238 /* JsxOpeningElement */) { + var node = createNode(236 /* JsxElement */, opening.pos); + node.openingElement = opening; + node.children = parseJsxChildren(node.openingElement.tagName); + node.closingElement = parseJsxClosingElement(inExpressionContext); + if (!tagNamesAreEquivalent(node.openingElement.tagName, node.closingElement.tagName)) { + parseErrorAtPosition(node.closingElement.pos, node.closingElement.end - node.closingElement.pos, ts.Diagnostics.Expected_corresponding_JSX_closing_tag_for_0, ts.getTextOfNodeFromSourceText(sourceText, node.openingElement.tagName)); + } + result = finishNode(node); + } + else { + ts.Debug.assert(opening.kind === 237 /* JsxSelfClosingElement */); + // Nothing else to do for self-closing elements + result = opening; + } + // If the user writes the invalid code '
' in an expression context (i.e. not wrapped in + // an enclosing tag), we'll naively try to parse ^ this as a 'less than' operator and the remainder of the tag + // as garbage, which will cause the formatter to badly mangle the JSX. Perform a speculative parse of a JSX + // element if we see a < token so that we can wrap it in a synthetic binary expression so the formatter + // does less damage and we can report a better error. + // Since JSX elements are invalid < operands anyway, this lookahead parse will only occur in error scenarios + // of one sort or another. + if (inExpressionContext && token === 25 /* LessThanToken */) { + var invalidElement = tryParse(function () { return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ true); }); + if (invalidElement) { + parseErrorAtCurrentToken(ts.Diagnostics.JSX_expressions_must_have_one_parent_element); + var badNode = createNode(184 /* BinaryExpression */, result.pos); + badNode.end = invalidElement.end; + badNode.left = result; + badNode.right = invalidElement; + badNode.operatorToken = createMissingNode(24 /* CommaToken */, /*reportAtCurrentPosition*/ false, /*diagnosticMessage*/ undefined); + badNode.operatorToken.pos = badNode.operatorToken.end = badNode.right.pos; + return badNode; + } + } + return result; + } + function parseJsxText() { + var node = createNode(239 /* JsxText */, scanner.getStartPos()); + token = scanner.scanJsxToken(); + return finishNode(node); + } + function parseJsxChild() { + switch (token) { + case 239 /* JsxText */: + return parseJsxText(); + case 15 /* OpenBraceToken */: + return parseJsxExpression(/*inExpressionContext*/ false); + case 25 /* LessThanToken */: + return parseJsxElementOrSelfClosingElement(/*inExpressionContext*/ false); + } + ts.Debug.fail("Unknown JSX child kind " + token); + } + function parseJsxChildren(openingTagName) { + var result = []; + result.pos = scanner.getStartPos(); + var saveParsingContext = parsingContext; + parsingContext |= 1 << 14 /* JsxChildren */; + while (true) { + token = scanner.reScanJsxToken(); + if (token === 26 /* LessThanSlashToken */) { + // Closing tag + break; + } + else if (token === 1 /* EndOfFileToken */) { + // If we hit EOF, issue the error at the tag that lacks the closing element + // rather than at the end of the file (which is useless) + parseErrorAtPosition(openingTagName.pos, openingTagName.end - openingTagName.pos, ts.Diagnostics.JSX_element_0_has_no_corresponding_closing_tag, ts.getTextOfNodeFromSourceText(sourceText, openingTagName)); + break; + } + result.push(parseJsxChild()); + } + result.end = scanner.getTokenPos(); + parsingContext = saveParsingContext; + return result; + } + function parseJsxOpeningOrSelfClosingElement(inExpressionContext) { + var fullStart = scanner.getStartPos(); + parseExpected(25 /* LessThanToken */); + var tagName = parseJsxElementName(); + var attributes = parseList(13 /* JsxAttributes */, parseJsxAttribute); + var node; + if (token === 27 /* GreaterThanToken */) { + // Closing tag, so scan the immediately-following text with the JSX scanning instead + // of regular scanning to avoid treating illegal characters (e.g. '#') as immediate + // scanning errors + node = createNode(238 /* JsxOpeningElement */, fullStart); + scanJsxText(); + } + else { + parseExpected(39 /* SlashToken */); + if (inExpressionContext) { + parseExpected(27 /* GreaterThanToken */); + } + else { + parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + node = createNode(237 /* JsxSelfClosingElement */, fullStart); + } + node.tagName = tagName; + node.attributes = attributes; + return finishNode(node); + } + function parseJsxElementName() { + scanJsxIdentifier(); + var elementName = parseIdentifierName(); + while (parseOptional(21 /* DotToken */)) { + scanJsxIdentifier(); + var node = createNode(136 /* QualifiedName */, elementName.pos); + node.left = elementName; + node.right = parseIdentifierName(); + elementName = finishNode(node); + } + return elementName; + } + function parseJsxExpression(inExpressionContext) { + var node = createNode(243 /* JsxExpression */); + parseExpected(15 /* OpenBraceToken */); + if (token !== 16 /* CloseBraceToken */) { + node.expression = parseAssignmentExpressionOrHigher(); + } + if (inExpressionContext) { + parseExpected(16 /* CloseBraceToken */); + } + else { + parseExpected(16 /* CloseBraceToken */, /*message*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + return finishNode(node); + } + function parseJsxAttribute() { + if (token === 15 /* OpenBraceToken */) { + return parseJsxSpreadAttribute(); + } + scanJsxIdentifier(); + var node = createNode(241 /* JsxAttribute */); + node.name = parseIdentifierName(); + if (parseOptional(56 /* EqualsToken */)) { + switch (token) { + case 9 /* StringLiteral */: + node.initializer = parseLiteralNode(); + break; + default: + node.initializer = parseJsxExpression(/*inExpressionContext*/ true); + break; + } + } + return finishNode(node); + } + function parseJsxSpreadAttribute() { + var node = createNode(242 /* JsxSpreadAttribute */); + parseExpected(15 /* OpenBraceToken */); + parseExpected(22 /* DotDotDotToken */); + node.expression = parseExpression(); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseJsxClosingElement(inExpressionContext) { + var node = createNode(240 /* JsxClosingElement */); + parseExpected(26 /* LessThanSlashToken */); + node.tagName = parseJsxElementName(); + if (inExpressionContext) { + parseExpected(27 /* GreaterThanToken */); + } + else { + parseExpected(27 /* GreaterThanToken */, /*diagnostic*/ undefined, /*shouldAdvance*/ false); + scanJsxText(); + } + return finishNode(node); + } + function parseTypeAssertion() { + var node = createNode(174 /* TypeAssertionExpression */); + parseExpected(25 /* LessThanToken */); + node.type = parseType(); + parseExpected(27 /* GreaterThanToken */); + node.expression = parseSimpleUnaryExpression(); + return finishNode(node); + } + function parseMemberExpressionRest(expression) { + while (true) { + var dotToken = parseOptionalToken(21 /* DotToken */); + if (dotToken) { + var propertyAccess = createNode(169 /* PropertyAccessExpression */, expression.pos); + propertyAccess.expression = expression; + propertyAccess.dotToken = dotToken; + propertyAccess.name = parseRightSideOfDot(/*allowIdentifierNames*/ true); + expression = finishNode(propertyAccess); + continue; + } + // when in the [Decorator] context, we do not parse ElementAccess as it could be part of a ComputedPropertyName + if (!inDecoratorContext() && parseOptional(19 /* OpenBracketToken */)) { + var indexedAccess = createNode(170 /* ElementAccessExpression */, expression.pos); + indexedAccess.expression = expression; + // It's not uncommon for a user to write: "new Type[]". + // Check for that common pattern and report a better error message. + if (token !== 20 /* CloseBracketToken */) { + indexedAccess.argumentExpression = allowInAnd(parseExpression); + if (indexedAccess.argumentExpression.kind === 9 /* StringLiteral */ || indexedAccess.argumentExpression.kind === 8 /* NumericLiteral */) { + var literal = indexedAccess.argumentExpression; + literal.text = internIdentifier(literal.text); + } + } + parseExpected(20 /* CloseBracketToken */); + expression = finishNode(indexedAccess); + continue; + } + if (token === 11 /* NoSubstitutionTemplateLiteral */ || token === 12 /* TemplateHead */) { + var tagExpression = createNode(173 /* TaggedTemplateExpression */, expression.pos); + tagExpression.tag = expression; + tagExpression.template = token === 11 /* NoSubstitutionTemplateLiteral */ + ? parseLiteralNode() + : parseTemplateExpression(); + expression = finishNode(tagExpression); + continue; + } + return expression; + } + } + function parseCallExpressionRest(expression) { + while (true) { + expression = parseMemberExpressionRest(expression); + if (token === 25 /* LessThanToken */) { + // See if this is the start of a generic invocation. If so, consume it and + // keep checking for postfix expressions. Otherwise, it's just a '<' that's + // part of an arithmetic expression. Break out so we consume it higher in the + // stack. + var typeArguments = tryParse(parseTypeArgumentsInExpression); + if (!typeArguments) { + return expression; + } + var callExpr = createNode(171 /* CallExpression */, expression.pos); + callExpr.expression = expression; + callExpr.typeArguments = typeArguments; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + else if (token === 17 /* OpenParenToken */) { + var callExpr = createNode(171 /* CallExpression */, expression.pos); + callExpr.expression = expression; + callExpr.arguments = parseArgumentList(); + expression = finishNode(callExpr); + continue; + } + return expression; + } + } + function parseArgumentList() { + parseExpected(17 /* OpenParenToken */); + var result = parseDelimitedList(11 /* ArgumentExpressions */, parseArgumentExpression); + parseExpected(18 /* CloseParenToken */); + return result; + } + function parseTypeArgumentsInExpression() { + if (!parseOptional(25 /* LessThanToken */)) { + return undefined; + } + var typeArguments = parseDelimitedList(18 /* TypeArguments */, parseType); + if (!parseExpected(27 /* GreaterThanToken */)) { + // If it doesn't have the closing > then it's definitely not an type argument list. + return undefined; + } + // If we have a '<', then only parse this as a arugment list if the type arguments + // are complete and we have an open paren. if we don't, rewind and return nothing. + return typeArguments && canFollowTypeArgumentsInExpression() + ? typeArguments + : undefined; + } + function canFollowTypeArgumentsInExpression() { + switch (token) { + case 17 /* OpenParenToken */: // foo( + // this case are the only case where this token can legally follow a type argument + // list. So we definitely want to treat this as a type arg list. + case 21 /* DotToken */: // foo. + case 18 /* CloseParenToken */: // foo) + case 20 /* CloseBracketToken */: // foo] + case 54 /* ColonToken */: // foo: + case 23 /* SemicolonToken */: // foo; + case 53 /* QuestionToken */: // foo? + case 30 /* EqualsEqualsToken */: // foo == + case 32 /* EqualsEqualsEqualsToken */: // foo === + case 31 /* ExclamationEqualsToken */: // foo != + case 33 /* ExclamationEqualsEqualsToken */: // foo !== + case 51 /* AmpersandAmpersandToken */: // foo && + case 52 /* BarBarToken */: // foo || + case 48 /* CaretToken */: // foo ^ + case 46 /* AmpersandToken */: // foo & + case 47 /* BarToken */: // foo | + case 16 /* CloseBraceToken */: // foo } + case 1 /* EndOfFileToken */: + // these cases can't legally follow a type arg list. However, they're not legal + // expressions either. The user is probably in the middle of a generic type. So + // treat it as such. + return true; + case 24 /* CommaToken */: // foo, + case 15 /* OpenBraceToken */: // foo { + // We don't want to treat these as type arguments. Otherwise we'll parse this + // as an invocation expression. Instead, we want to parse out the expression + // in isolation from the type arguments. + default: + // Anything else treat as an expression. + return false; + } + } + function parsePrimaryExpression() { + switch (token) { + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + return parseLiteralNode(); + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + case 93 /* NullKeyword */: + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + return parseTokenNode(); + case 17 /* OpenParenToken */: + return parseParenthesizedExpression(); + case 19 /* OpenBracketToken */: + return parseArrayLiteralExpression(); + case 15 /* OpenBraceToken */: + return parseObjectLiteralExpression(); + case 118 /* AsyncKeyword */: + // Async arrow functions are parsed earlier in parseAssignmentExpressionOrHigher. + // If we encounter `async [no LineTerminator here] function` then this is an async + // function; otherwise, its an identifier. + if (!lookAhead(nextTokenIsFunctionKeywordOnSameLine)) { + break; + } + return parseFunctionExpression(); + case 73 /* ClassKeyword */: + return parseClassExpression(); + case 87 /* FunctionKeyword */: + return parseFunctionExpression(); + case 92 /* NewKeyword */: + return parseNewExpression(); + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + if (reScanSlashToken() === 10 /* RegularExpressionLiteral */) { + return parseLiteralNode(); + } + break; + case 12 /* TemplateHead */: + return parseTemplateExpression(); + } + return parseIdentifier(ts.Diagnostics.Expression_expected); + } + function parseParenthesizedExpression() { + var node = createNode(175 /* ParenthesizedExpression */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseSpreadElement() { + var node = createNode(188 /* SpreadElementExpression */); + parseExpected(22 /* DotDotDotToken */); + node.expression = parseAssignmentExpressionOrHigher(); + return finishNode(node); + } + function parseArgumentOrArrayLiteralElement() { + return token === 22 /* DotDotDotToken */ ? parseSpreadElement() : + token === 24 /* CommaToken */ ? createNode(190 /* OmittedExpression */) : + parseAssignmentExpressionOrHigher(); + } + function parseArgumentExpression() { + return doOutsideOfContext(disallowInAndDecoratorContext, parseArgumentOrArrayLiteralElement); + } + function parseArrayLiteralExpression() { + var node = createNode(167 /* ArrayLiteralExpression */); + parseExpected(19 /* OpenBracketToken */); + if (scanner.hasPrecedingLineBreak()) + node.flags |= 1024 /* MultiLine */; + node.elements = parseDelimitedList(15 /* ArrayLiteralMembers */, parseArgumentOrArrayLiteralElement); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function tryParseAccessorDeclaration(fullStart, decorators, modifiers) { + if (parseContextualModifier(123 /* GetKeyword */)) { + return parseAccessorDeclaration(146 /* GetAccessor */, fullStart, decorators, modifiers); + } + else if (parseContextualModifier(129 /* SetKeyword */)) { + return parseAccessorDeclaration(147 /* SetAccessor */, fullStart, decorators, modifiers); + } + return undefined; + } + function parseObjectLiteralElement() { + var fullStart = scanner.getStartPos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + // Disallowing of optional property assignments happens in the grammar checker. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, propertyName, questionToken); + } + // check if it is short-hand property assignment or normal property assignment + // NOTE: if token is EqualsToken it is interpreted as CoverInitializedName production + // CoverInitializedName[Yield] : + // IdentifierReference[?Yield] Initializer[In, ?Yield] + // this is necessary because ObjectLiteral productions are also used to cover grammar for ObjectAssignmentPattern + var isShorthandPropertyAssignment = tokenIsIdentifier && (token === 24 /* CommaToken */ || token === 16 /* CloseBraceToken */ || token === 56 /* EqualsToken */); + if (isShorthandPropertyAssignment) { + var shorthandDeclaration = createNode(249 /* ShorthandPropertyAssignment */, fullStart); + shorthandDeclaration.name = propertyName; + shorthandDeclaration.questionToken = questionToken; + var equalsToken = parseOptionalToken(56 /* EqualsToken */); + if (equalsToken) { + shorthandDeclaration.equalsToken = equalsToken; + shorthandDeclaration.objectAssignmentInitializer = allowInAnd(parseAssignmentExpressionOrHigher); + } + return addJSDocComment(finishNode(shorthandDeclaration)); + } + else { + var propertyAssignment = createNode(248 /* PropertyAssignment */, fullStart); + propertyAssignment.modifiers = modifiers; + propertyAssignment.name = propertyName; + propertyAssignment.questionToken = questionToken; + parseExpected(54 /* ColonToken */); + propertyAssignment.initializer = allowInAnd(parseAssignmentExpressionOrHigher); + return addJSDocComment(finishNode(propertyAssignment)); + } + } + function parseObjectLiteralExpression() { + var node = createNode(168 /* ObjectLiteralExpression */); + parseExpected(15 /* OpenBraceToken */); + if (scanner.hasPrecedingLineBreak()) { + node.flags |= 1024 /* MultiLine */; + } + node.properties = parseDelimitedList(12 /* ObjectLiteralMembers */, parseObjectLiteralElement, /*considerSemicolonAsDelimeter*/ true); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseFunctionExpression() { + // GeneratorExpression: + // function* BindingIdentifier [Yield][opt](FormalParameters[Yield]){ GeneratorBody } + // + // FunctionExpression: + // function BindingIdentifier[opt](FormalParameters){ FunctionBody } + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var node = createNode(176 /* FunctionExpression */); + setModifiers(node, parseModifiers()); + parseExpected(87 /* FunctionKeyword */); + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256 /* Async */); + node.name = + isGenerator && isAsync ? doInYieldAndAwaitContext(parseOptionalIdentifier) : + isGenerator ? doInYieldContext(parseOptionalIdentifier) : + isAsync ? doInAwaitContext(parseOptionalIdentifier) : + parseOptionalIdentifier(); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlock(/*allowYield*/ isGenerator, /*allowAwait*/ isAsync, /*ignoreMissingOpenBrace*/ false); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + return addJSDocComment(finishNode(node)); + } + function parseOptionalIdentifier() { + return isIdentifier() ? parseIdentifier() : undefined; + } + function parseNewExpression() { + var node = createNode(172 /* NewExpression */); + parseExpected(92 /* NewKeyword */); + node.expression = parseMemberExpressionOrHigher(); + node.typeArguments = tryParse(parseTypeArgumentsInExpression); + if (node.typeArguments || token === 17 /* OpenParenToken */) { + node.arguments = parseArgumentList(); + } + return finishNode(node); + } + // STATEMENTS + function parseBlock(ignoreMissingOpenBrace, diagnosticMessage) { + var node = createNode(195 /* Block */); + if (parseExpected(15 /* OpenBraceToken */, diagnosticMessage) || ignoreMissingOpenBrace) { + node.statements = parseList(1 /* BlockStatements */, parseStatement); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseFunctionBlock(allowYield, allowAwait, ignoreMissingOpenBrace, diagnosticMessage) { + var savedYieldContext = inYieldContext(); + setYieldContext(allowYield); + var savedAwaitContext = inAwaitContext(); + setAwaitContext(allowAwait); + // We may be in a [Decorator] context when parsing a function expression or + // arrow function. The body of the function is not in [Decorator] context. + var saveDecoratorContext = inDecoratorContext(); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ false); + } + var block = parseBlock(ignoreMissingOpenBrace, diagnosticMessage); + if (saveDecoratorContext) { + setDecoratorContext(/*val*/ true); + } + setYieldContext(savedYieldContext); + setAwaitContext(savedAwaitContext); + return block; + } + function parseEmptyStatement() { + var node = createNode(197 /* EmptyStatement */); + parseExpected(23 /* SemicolonToken */); + return finishNode(node); + } + function parseIfStatement() { + var node = createNode(199 /* IfStatement */); + parseExpected(88 /* IfKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.thenStatement = parseStatement(); + node.elseStatement = parseOptional(80 /* ElseKeyword */) ? parseStatement() : undefined; + return finishNode(node); + } + function parseDoStatement() { + var node = createNode(200 /* DoStatement */); + parseExpected(79 /* DoKeyword */); + node.statement = parseStatement(); + parseExpected(104 /* WhileKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + // From: https://mail.mozilla.org/pipermail/es-discuss/2011-August/016188.html + // 157 min --- All allen at wirfs-brock.com CONF --- "do{;}while(false)false" prohibited in + // spec but allowed in consensus reality. Approved -- this is the de-facto standard whereby + // do;while(0)x will have a semicolon inserted before x. + parseOptional(23 /* SemicolonToken */); + return finishNode(node); + } + function parseWhileStatement() { + var node = createNode(201 /* WhileStatement */); + parseExpected(104 /* WhileKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.statement = parseStatement(); + return finishNode(node); + } + function parseForOrForInOrForOfStatement() { + var pos = getNodePos(); + parseExpected(86 /* ForKeyword */); + parseExpected(17 /* OpenParenToken */); + var initializer = undefined; + if (token !== 23 /* SemicolonToken */) { + if (token === 102 /* VarKeyword */ || token === 108 /* LetKeyword */ || token === 74 /* ConstKeyword */) { + initializer = parseVariableDeclarationList(/*inForStatementInitializer*/ true); + } + else { + initializer = disallowInAnd(parseExpression); + } + } + var forOrForInOrForOfStatement; + if (parseOptional(90 /* InKeyword */)) { + var forInStatement = createNode(203 /* ForInStatement */, pos); + forInStatement.initializer = initializer; + forInStatement.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forInStatement; + } + else if (parseOptional(135 /* OfKeyword */)) { + var forOfStatement = createNode(204 /* ForOfStatement */, pos); + forOfStatement.initializer = initializer; + forOfStatement.expression = allowInAnd(parseAssignmentExpressionOrHigher); + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forOfStatement; + } + else { + var forStatement = createNode(202 /* ForStatement */, pos); + forStatement.initializer = initializer; + parseExpected(23 /* SemicolonToken */); + if (token !== 23 /* SemicolonToken */ && token !== 18 /* CloseParenToken */) { + forStatement.condition = allowInAnd(parseExpression); + } + parseExpected(23 /* SemicolonToken */); + if (token !== 18 /* CloseParenToken */) { + forStatement.incrementor = allowInAnd(parseExpression); + } + parseExpected(18 /* CloseParenToken */); + forOrForInOrForOfStatement = forStatement; + } + forOrForInOrForOfStatement.statement = parseStatement(); + return finishNode(forOrForInOrForOfStatement); + } + function parseBreakOrContinueStatement(kind) { + var node = createNode(kind); + parseExpected(kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */); + if (!canParseSemicolon()) { + node.label = parseIdentifier(); + } + parseSemicolon(); + return finishNode(node); + } + function parseReturnStatement() { + var node = createNode(207 /* ReturnStatement */); + parseExpected(94 /* ReturnKeyword */); + if (!canParseSemicolon()) { + node.expression = allowInAnd(parseExpression); + } + parseSemicolon(); + return finishNode(node); + } + function parseWithStatement() { + var node = createNode(208 /* WithStatement */); + parseExpected(105 /* WithKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + node.statement = parseStatement(); + return finishNode(node); + } + function parseCaseClause() { + var node = createNode(244 /* CaseClause */); + parseExpected(71 /* CaseKeyword */); + node.expression = allowInAnd(parseExpression); + parseExpected(54 /* ColonToken */); + node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); + return finishNode(node); + } + function parseDefaultClause() { + var node = createNode(245 /* DefaultClause */); + parseExpected(77 /* DefaultKeyword */); + parseExpected(54 /* ColonToken */); + node.statements = parseList(3 /* SwitchClauseStatements */, parseStatement); + return finishNode(node); + } + function parseCaseOrDefaultClause() { + return token === 71 /* CaseKeyword */ ? parseCaseClause() : parseDefaultClause(); + } + function parseSwitchStatement() { + var node = createNode(209 /* SwitchStatement */); + parseExpected(96 /* SwitchKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = allowInAnd(parseExpression); + parseExpected(18 /* CloseParenToken */); + var caseBlock = createNode(223 /* CaseBlock */, scanner.getStartPos()); + parseExpected(15 /* OpenBraceToken */); + caseBlock.clauses = parseList(2 /* SwitchClauses */, parseCaseOrDefaultClause); + parseExpected(16 /* CloseBraceToken */); + node.caseBlock = finishNode(caseBlock); + return finishNode(node); + } + function parseThrowStatement() { + // ThrowStatement[Yield] : + // throw [no LineTerminator here]Expression[In, ?Yield]; + // Because of automatic semicolon insertion, we need to report error if this + // throw could be terminated with a semicolon. Note: we can't call 'parseExpression' + // directly as that might consume an expression on the following line. + // We just return 'undefined' in that case. The actual error will be reported in the + // grammar walker. + var node = createNode(211 /* ThrowStatement */); + parseExpected(98 /* ThrowKeyword */); + node.expression = scanner.hasPrecedingLineBreak() ? undefined : allowInAnd(parseExpression); + parseSemicolon(); + return finishNode(node); + } + // TODO: Review for error recovery + function parseTryStatement() { + var node = createNode(212 /* TryStatement */); + parseExpected(100 /* TryKeyword */); + node.tryBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + node.catchClause = token === 72 /* CatchKeyword */ ? parseCatchClause() : undefined; + // If we don't have a catch clause, then we must have a finally clause. Try to parse + // one out no matter what. + if (!node.catchClause || token === 85 /* FinallyKeyword */) { + parseExpected(85 /* FinallyKeyword */); + node.finallyBlock = parseBlock(/*ignoreMissingOpenBrace*/ false); + } + return finishNode(node); + } + function parseCatchClause() { + var result = createNode(247 /* CatchClause */); + parseExpected(72 /* CatchKeyword */); + if (parseExpected(17 /* OpenParenToken */)) { + result.variableDeclaration = parseVariableDeclaration(); + } + parseExpected(18 /* CloseParenToken */); + result.block = parseBlock(/*ignoreMissingOpenBrace*/ false); + return finishNode(result); + } + function parseDebuggerStatement() { + var node = createNode(213 /* DebuggerStatement */); + parseExpected(76 /* DebuggerKeyword */); + parseSemicolon(); + return finishNode(node); + } + function parseExpressionOrLabeledStatement() { + // Avoiding having to do the lookahead for a labeled statement by just trying to parse + // out an expression, seeing if it is identifier and then seeing if it is followed by + // a colon. + var fullStart = scanner.getStartPos(); + var expression = allowInAnd(parseExpression); + if (expression.kind === 69 /* Identifier */ && parseOptional(54 /* ColonToken */)) { + var labeledStatement = createNode(210 /* LabeledStatement */, fullStart); + labeledStatement.label = expression; + labeledStatement.statement = parseStatement(); + return addJSDocComment(finishNode(labeledStatement)); + } + else { + var expressionStatement = createNode(198 /* ExpressionStatement */, fullStart); + expressionStatement.expression = expression; + parseSemicolon(); + return addJSDocComment(finishNode(expressionStatement)); + } + } + function nextTokenIsIdentifierOrKeywordOnSameLine() { + nextToken(); + return ts.tokenIsIdentifierOrKeyword(token) && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsFunctionKeywordOnSameLine() { + nextToken(); + return token === 87 /* FunctionKeyword */ && !scanner.hasPrecedingLineBreak(); + } + function nextTokenIsIdentifierOrKeywordOrNumberOnSameLine() { + nextToken(); + return (ts.tokenIsIdentifierOrKeyword(token) || token === 8 /* NumericLiteral */) && !scanner.hasPrecedingLineBreak(); + } + function isDeclaration() { + while (true) { + switch (token) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + return true; + // 'declare', 'module', 'namespace', 'interface'* and 'type' are all legal JavaScript identifiers; + // however, an identifier cannot be followed by another identifier on the same line. This is what we + // count on to parse out the respective declarations. For instance, we exploit this to say that + // + // namespace n + // + // can be none other than the beginning of a namespace declaration, but need to respect that JavaScript sees + // + // namespace + // n + // + // as the identifier 'namespace' on one line followed by the identifier 'n' on another. + // We need to look one token ahead to see if it permissible to try parsing a declaration. + // + // *Note*: 'interface' is actually a strict mode reserved word. So while + // + // "use strict" + // interface + // I {} + // + // could be legal, it would add complexity for very little gain. + case 107 /* InterfaceKeyword */: + case 132 /* TypeKeyword */: + return nextTokenIsIdentifierOnSameLine(); + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + return nextTokenIsIdentifierOrStringLiteralOnSameLine(); + case 115 /* AbstractKeyword */: + case 118 /* AsyncKeyword */: + case 122 /* DeclareKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 112 /* PublicKeyword */: + nextToken(); + // ASI takes effect for this modifier. + if (scanner.hasPrecedingLineBreak()) { + return false; + } + continue; + case 134 /* GlobalKeyword */: + return nextToken() === 15 /* OpenBraceToken */; + case 89 /* ImportKeyword */: + nextToken(); + return token === 9 /* StringLiteral */ || token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */ || ts.tokenIsIdentifierOrKeyword(token); + case 82 /* ExportKeyword */: + nextToken(); + if (token === 56 /* EqualsToken */ || token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */ || token === 77 /* DefaultKeyword */) { + return true; + } + continue; + case 113 /* StaticKeyword */: + nextToken(); + continue; + default: + return false; + } + } + } + function isStartOfDeclaration() { + return lookAhead(isDeclaration); + } + function isStartOfStatement() { + switch (token) { + case 55 /* AtToken */: + case 23 /* SemicolonToken */: + case 15 /* OpenBraceToken */: + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 87 /* FunctionKeyword */: + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + case 88 /* IfKeyword */: + case 79 /* DoKeyword */: + case 104 /* WhileKeyword */: + case 86 /* ForKeyword */: + case 75 /* ContinueKeyword */: + case 70 /* BreakKeyword */: + case 94 /* ReturnKeyword */: + case 105 /* WithKeyword */: + case 96 /* SwitchKeyword */: + case 98 /* ThrowKeyword */: + case 100 /* TryKeyword */: + case 76 /* DebuggerKeyword */: + // 'catch' and 'finally' do not actually indicate that the code is part of a statement, + // however, we say they are here so that we may gracefully parse them and error later. + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return true; + case 74 /* ConstKeyword */: + case 82 /* ExportKeyword */: + case 89 /* ImportKeyword */: + return isStartOfDeclaration(); + case 118 /* AsyncKeyword */: + case 122 /* DeclareKeyword */: + case 107 /* InterfaceKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + case 132 /* TypeKeyword */: + case 134 /* GlobalKeyword */: + // When these don't start a declaration, they're an identifier in an expression statement + return true; + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + // When these don't start a declaration, they may be the start of a class member if an identifier + // immediately follows. Otherwise they're an identifier in an expression statement. + return isStartOfDeclaration() || !lookAhead(nextTokenIsIdentifierOrKeywordOnSameLine); + default: + return isStartOfExpression(); + } + } + function nextTokenIsIdentifierOrStartOfDestructuring() { + nextToken(); + return isIdentifier() || token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */; + } + function isLetDeclaration() { + // In ES6 'let' always starts a lexical declaration if followed by an identifier or { + // or [. + return lookAhead(nextTokenIsIdentifierOrStartOfDestructuring); + } + function parseStatement() { + switch (token) { + case 23 /* SemicolonToken */: + return parseEmptyStatement(); + case 15 /* OpenBraceToken */: + return parseBlock(/*ignoreMissingOpenBrace*/ false); + case 102 /* VarKeyword */: + return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 108 /* LetKeyword */: + if (isLetDeclaration()) { + return parseVariableStatement(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + } + break; + case 87 /* FunctionKeyword */: + return parseFunctionDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 73 /* ClassKeyword */: + return parseClassDeclaration(scanner.getStartPos(), /*decorators*/ undefined, /*modifiers*/ undefined); + case 88 /* IfKeyword */: + return parseIfStatement(); + case 79 /* DoKeyword */: + return parseDoStatement(); + case 104 /* WhileKeyword */: + return parseWhileStatement(); + case 86 /* ForKeyword */: + return parseForOrForInOrForOfStatement(); + case 75 /* ContinueKeyword */: + return parseBreakOrContinueStatement(205 /* ContinueStatement */); + case 70 /* BreakKeyword */: + return parseBreakOrContinueStatement(206 /* BreakStatement */); + case 94 /* ReturnKeyword */: + return parseReturnStatement(); + case 105 /* WithKeyword */: + return parseWithStatement(); + case 96 /* SwitchKeyword */: + return parseSwitchStatement(); + case 98 /* ThrowKeyword */: + return parseThrowStatement(); + case 100 /* TryKeyword */: + // Include 'catch' and 'finally' for error recovery. + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return parseTryStatement(); + case 76 /* DebuggerKeyword */: + return parseDebuggerStatement(); + case 55 /* AtToken */: + return parseDeclaration(); + case 118 /* AsyncKeyword */: + case 107 /* InterfaceKeyword */: + case 132 /* TypeKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + case 122 /* DeclareKeyword */: + case 74 /* ConstKeyword */: + case 81 /* EnumKeyword */: + case 82 /* ExportKeyword */: + case 89 /* ImportKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 112 /* PublicKeyword */: + case 115 /* AbstractKeyword */: + case 113 /* StaticKeyword */: + case 134 /* GlobalKeyword */: + if (isStartOfDeclaration()) { + return parseDeclaration(); + } + break; + } + return parseExpressionOrLabeledStatement(); + } + function parseDeclaration() { + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(); + switch (token) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + return parseVariableStatement(fullStart, decorators, modifiers); + case 87 /* FunctionKeyword */: + return parseFunctionDeclaration(fullStart, decorators, modifiers); + case 73 /* ClassKeyword */: + return parseClassDeclaration(fullStart, decorators, modifiers); + case 107 /* InterfaceKeyword */: + return parseInterfaceDeclaration(fullStart, decorators, modifiers); + case 132 /* TypeKeyword */: + return parseTypeAliasDeclaration(fullStart, decorators, modifiers); + case 81 /* EnumKeyword */: + return parseEnumDeclaration(fullStart, decorators, modifiers); + case 134 /* GlobalKeyword */: + case 125 /* ModuleKeyword */: + case 126 /* NamespaceKeyword */: + return parseModuleDeclaration(fullStart, decorators, modifiers); + case 89 /* ImportKeyword */: + return parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers); + case 82 /* ExportKeyword */: + nextToken(); + return token === 77 /* DefaultKeyword */ || token === 56 /* EqualsToken */ ? + parseExportAssignment(fullStart, decorators, modifiers) : + parseExportDeclaration(fullStart, decorators, modifiers); + default: + if (decorators || modifiers) { + // We reached this point because we encountered decorators and/or modifiers and assumed a declaration + // would follow. For recovery and error reporting purposes, return an incomplete declaration. + var node = createMissingNode(234 /* MissingDeclaration */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + node.pos = fullStart; + node.decorators = decorators; + setModifiers(node, modifiers); + return finishNode(node); + } + } + } + function nextTokenIsIdentifierOrStringLiteralOnSameLine() { + nextToken(); + return !scanner.hasPrecedingLineBreak() && (isIdentifier() || token === 9 /* StringLiteral */); + } + function parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage) { + if (token !== 15 /* OpenBraceToken */ && canParseSemicolon()) { + parseSemicolon(); + return; + } + return parseFunctionBlock(isGenerator, isAsync, /*ignoreMissingOpenBrace*/ false, diagnosticMessage); + } + // DECLARATIONS + function parseArrayBindingElement() { + if (token === 24 /* CommaToken */) { + return createNode(190 /* OmittedExpression */); + } + var node = createNode(166 /* BindingElement */); + node.dotDotDotToken = parseOptionalToken(22 /* DotDotDotToken */); + node.name = parseIdentifierOrPattern(); + node.initializer = parseBindingElementInitializer(/*inParameter*/ false); + return finishNode(node); + } + function parseObjectBindingElement() { + var node = createNode(166 /* BindingElement */); + var tokenIsIdentifier = isIdentifier(); + var propertyName = parsePropertyName(); + if (tokenIsIdentifier && token !== 54 /* ColonToken */) { + node.name = propertyName; + } + else { + parseExpected(54 /* ColonToken */); + node.propertyName = propertyName; + node.name = parseIdentifierOrPattern(); + } + node.initializer = parseBindingElementInitializer(/*inParameter*/ false); + return finishNode(node); + } + function parseObjectBindingPattern() { + var node = createNode(164 /* ObjectBindingPattern */); + parseExpected(15 /* OpenBraceToken */); + node.elements = parseDelimitedList(9 /* ObjectBindingElements */, parseObjectBindingElement); + parseExpected(16 /* CloseBraceToken */); + return finishNode(node); + } + function parseArrayBindingPattern() { + var node = createNode(165 /* ArrayBindingPattern */); + parseExpected(19 /* OpenBracketToken */); + node.elements = parseDelimitedList(10 /* ArrayBindingElements */, parseArrayBindingElement); + parseExpected(20 /* CloseBracketToken */); + return finishNode(node); + } + function isIdentifierOrPattern() { + return token === 15 /* OpenBraceToken */ || token === 19 /* OpenBracketToken */ || isIdentifier(); + } + function parseIdentifierOrPattern() { + if (token === 19 /* OpenBracketToken */) { + return parseArrayBindingPattern(); + } + if (token === 15 /* OpenBraceToken */) { + return parseObjectBindingPattern(); + } + return parseIdentifier(); + } + function parseVariableDeclaration() { + var node = createNode(214 /* VariableDeclaration */); + node.name = parseIdentifierOrPattern(); + node.type = parseTypeAnnotation(); + if (!isInOrOfKeyword(token)) { + node.initializer = parseInitializer(/*inParameter*/ false); + } + return finishNode(node); + } + function parseVariableDeclarationList(inForStatementInitializer) { + var node = createNode(215 /* VariableDeclarationList */); + switch (token) { + case 102 /* VarKeyword */: + break; + case 108 /* LetKeyword */: + node.flags |= 8192 /* Let */; + break; + case 74 /* ConstKeyword */: + node.flags |= 16384 /* Const */; + break; + default: + ts.Debug.fail(); + } + nextToken(); + // The user may have written the following: + // + // for (let of X) { } + // + // In this case, we want to parse an empty declaration list, and then parse 'of' + // as a keyword. The reason this is not automatic is that 'of' is a valid identifier. + // So we need to look ahead to determine if 'of' should be treated as a keyword in + // this context. + // The checker will then give an error that there is an empty declaration list. + if (token === 135 /* OfKeyword */ && lookAhead(canFollowContextualOfKeyword)) { + node.declarations = createMissingList(); + } + else { + var savedDisallowIn = inDisallowInContext(); + setDisallowInContext(inForStatementInitializer); + node.declarations = parseDelimitedList(8 /* VariableDeclarations */, parseVariableDeclaration); + setDisallowInContext(savedDisallowIn); + } + return finishNode(node); + } + function canFollowContextualOfKeyword() { + return nextTokenIsIdentifier() && nextToken() === 18 /* CloseParenToken */; + } + function parseVariableStatement(fullStart, decorators, modifiers) { + var node = createNode(196 /* VariableStatement */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.declarationList = parseVariableDeclarationList(/*inForStatementInitializer*/ false); + parseSemicolon(); + return addJSDocComment(finishNode(node)); + } + function parseFunctionDeclaration(fullStart, decorators, modifiers) { + var node = createNode(216 /* FunctionDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(87 /* FunctionKeyword */); + node.asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + node.name = node.flags & 512 /* Default */ ? parseOptionalIdentifier() : parseIdentifier(); + var isGenerator = !!node.asteriskToken; + var isAsync = !!(node.flags & 256 /* Async */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseConstructorDeclaration(pos, decorators, modifiers) { + var node = createNode(145 /* Constructor */, pos); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(121 /* ConstructorKeyword */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false, ts.Diagnostics.or_expected); + return addJSDocComment(finishNode(node)); + } + function parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, diagnosticMessage) { + var method = createNode(144 /* MethodDeclaration */, fullStart); + method.decorators = decorators; + setModifiers(method, modifiers); + method.asteriskToken = asteriskToken; + method.name = name; + method.questionToken = questionToken; + var isGenerator = !!asteriskToken; + var isAsync = !!(method.flags & 256 /* Async */); + fillSignature(54 /* ColonToken */, /*yieldContext*/ isGenerator, /*awaitContext*/ isAsync, /*requireCompleteParameterList*/ false, method); + method.body = parseFunctionBlockOrSemicolon(isGenerator, isAsync, diagnosticMessage); + return addJSDocComment(finishNode(method)); + } + function parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken) { + var property = createNode(142 /* PropertyDeclaration */, fullStart); + property.decorators = decorators; + setModifiers(property, modifiers); + property.name = name; + property.questionToken = questionToken; + property.type = parseTypeAnnotation(); + // For instance properties specifically, since they are evaluated inside the constructor, + // we do *not * want to parse yield expressions, so we specifically turn the yield context + // off. The grammar would look something like this: + // + // MemberVariableDeclaration[Yield]: + // AccessibilityModifier_opt PropertyName TypeAnnotation_opt Initialiser_opt[In]; + // AccessibilityModifier_opt static_opt PropertyName TypeAnnotation_opt Initialiser_opt[In, ?Yield]; + // + // The checker may still error in the static case to explicitly disallow the yield expression. + property.initializer = modifiers && modifiers.flags & 64 /* Static */ + ? allowInAnd(parseNonParameterInitializer) + : doOutsideOfContext(2 /* Yield */ | 1 /* DisallowIn */, parseNonParameterInitializer); + parseSemicolon(); + return finishNode(property); + } + function parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers) { + var asteriskToken = parseOptionalToken(37 /* AsteriskToken */); + var name = parsePropertyName(); + // Note: this is not legal as per the grammar. But we allow it in the parser and + // report an error in the grammar checker. + var questionToken = parseOptionalToken(53 /* QuestionToken */); + if (asteriskToken || token === 17 /* OpenParenToken */ || token === 25 /* LessThanToken */) { + return parseMethodDeclaration(fullStart, decorators, modifiers, asteriskToken, name, questionToken, ts.Diagnostics.or_expected); + } + else { + return parsePropertyDeclaration(fullStart, decorators, modifiers, name, questionToken); + } + } + function parseNonParameterInitializer() { + return parseInitializer(/*inParameter*/ false); + } + function parseAccessorDeclaration(kind, fullStart, decorators, modifiers) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + node.name = parsePropertyName(); + fillSignature(54 /* ColonToken */, /*yieldContext*/ false, /*awaitContext*/ false, /*requireCompleteParameterList*/ false, node); + node.body = parseFunctionBlockOrSemicolon(/*isGenerator*/ false, /*isAsync*/ false); + return finishNode(node); + } + function isClassMemberModifier(idToken) { + switch (idToken) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 113 /* StaticKeyword */: + return true; + default: + return false; + } + } + function isClassMemberStart() { + var idToken; + if (token === 55 /* AtToken */) { + return true; + } + // Eat up all modifiers, but hold on to the last one in case it is actually an identifier. + while (ts.isModifierKind(token)) { + idToken = token; + // If the idToken is a class modifier (protected, private, public, and static), it is + // certain that we are starting to parse class member. This allows better error recovery + // Example: + // public foo() ... // true + // public @dec blah ... // true; we will then report an error later + // export public ... // true; we will then report an error later + if (isClassMemberModifier(idToken)) { + return true; + } + nextToken(); + } + if (token === 37 /* AsteriskToken */) { + return true; + } + // Try to get the first property-like token following all modifiers. + // This can either be an identifier or the 'get' or 'set' keywords. + if (isLiteralPropertyName()) { + idToken = token; + nextToken(); + } + // Index signatures and computed properties are class members; we can parse. + if (token === 19 /* OpenBracketToken */) { + return true; + } + // If we were able to get any potential identifier... + if (idToken !== undefined) { + // If we have a non-keyword identifier, or if we have an accessor, then it's safe to parse. + if (!ts.isKeyword(idToken) || idToken === 129 /* SetKeyword */ || idToken === 123 /* GetKeyword */) { + return true; + } + // If it *is* a keyword, but not an accessor, check a little farther along + // to see if it should actually be parsed as a class member. + switch (token) { + case 17 /* OpenParenToken */: // Method declaration + case 25 /* LessThanToken */: // Generic Method declaration + case 54 /* ColonToken */: // Type Annotation for declaration + case 56 /* EqualsToken */: // Initializer for declaration + case 53 /* QuestionToken */: + return true; + default: + // Covers + // - Semicolons (declaration termination) + // - Closing braces (end-of-class, must be declaration) + // - End-of-files (not valid, but permitted so that it gets caught later on) + // - Line-breaks (enabling *automatic semicolon insertion*) + return canParseSemicolon(); + } + } + return false; + } + function parseDecorators() { + var decorators; + while (true) { + var decoratorStart = getNodePos(); + if (!parseOptional(55 /* AtToken */)) { + break; + } + if (!decorators) { + decorators = []; + decorators.pos = decoratorStart; + } + var decorator = createNode(140 /* Decorator */, decoratorStart); + decorator.expression = doInDecoratorContext(parseLeftHandSideExpressionOrHigher); + decorators.push(finishNode(decorator)); + } + if (decorators) { + decorators.end = getNodeEnd(); + } + return decorators; + } + /* + * There are situations in which a modifier like 'const' will appear unexpectedly, such as on a class member. + * In those situations, if we are entirely sure that 'const' is not valid on its own (such as when ASI takes effect + * and turns it into a standalone declaration), then it is better to parse it and report an error later. + * + * In such situations, 'permitInvalidConstAsModifier' should be set to true. + */ + function parseModifiers(permitInvalidConstAsModifier) { + var flags = 0; + var modifiers; + while (true) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + if (token === 74 /* ConstKeyword */ && permitInvalidConstAsModifier) { + // We need to ensure that any subsequent modifiers appear on the same line + // so that when 'const' is a standalone declaration, we don't issue an error. + if (!tryParse(nextTokenIsOnSameLineAndCanFollowModifier)) { + break; + } + } + else { + if (!parseAnyContextualModifier()) { + break; + } + } + if (!modifiers) { + modifiers = []; + modifiers.pos = modifierStart; + } + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + } + if (modifiers) { + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseModifiersForArrowFunction() { + var flags = 0; + var modifiers; + if (token === 118 /* AsyncKeyword */) { + var modifierStart = scanner.getStartPos(); + var modifierKind = token; + nextToken(); + modifiers = []; + modifiers.pos = modifierStart; + flags |= ts.modifierToFlag(modifierKind); + modifiers.push(finishNode(createNode(modifierKind, modifierStart))); + modifiers.flags = flags; + modifiers.end = scanner.getStartPos(); + } + return modifiers; + } + function parseClassElement() { + if (token === 23 /* SemicolonToken */) { + var result = createNode(194 /* SemicolonClassElement */); + nextToken(); + return finishNode(result); + } + var fullStart = getNodePos(); + var decorators = parseDecorators(); + var modifiers = parseModifiers(/*permitInvalidConstAsModifier*/ true); + var accessor = tryParseAccessorDeclaration(fullStart, decorators, modifiers); + if (accessor) { + return accessor; + } + if (token === 121 /* ConstructorKeyword */) { + return parseConstructorDeclaration(fullStart, decorators, modifiers); + } + if (isIndexSignature()) { + return parseIndexSignatureDeclaration(fullStart, decorators, modifiers); + } + // It is very important that we check this *after* checking indexers because + // the [ token can start an index signature or a computed property name + if (ts.tokenIsIdentifierOrKeyword(token) || + token === 9 /* StringLiteral */ || + token === 8 /* NumericLiteral */ || + token === 37 /* AsteriskToken */ || + token === 19 /* OpenBracketToken */) { + return parsePropertyOrMethodDeclaration(fullStart, decorators, modifiers); + } + if (decorators || modifiers) { + // treat this as a property declaration with a missing name. + var name_7 = createMissingNode(69 /* Identifier */, /*reportAtCurrentPosition*/ true, ts.Diagnostics.Declaration_expected); + return parsePropertyDeclaration(fullStart, decorators, modifiers, name_7, /*questionToken*/ undefined); + } + // 'isClassMemberStart' should have hinted not to attempt parsing. + ts.Debug.fail("Should not have attempted to parse class member declaration."); + } + function parseClassExpression() { + return parseClassDeclarationOrExpression( + /*fullStart*/ scanner.getStartPos(), + /*decorators*/ undefined, + /*modifiers*/ undefined, 189 /* ClassExpression */); + } + function parseClassDeclaration(fullStart, decorators, modifiers) { + return parseClassDeclarationOrExpression(fullStart, decorators, modifiers, 217 /* ClassDeclaration */); + } + function parseClassDeclarationOrExpression(fullStart, decorators, modifiers, kind) { + var node = createNode(kind, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(73 /* ClassKeyword */); + node.name = parseNameOfClassDeclarationOrExpression(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ true); + if (parseExpected(15 /* OpenBraceToken */)) { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + node.members = parseClassMembers(); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseNameOfClassDeclarationOrExpression() { + // implements is a future reserved word so + // 'class implements' might mean either + // - class expression with omitted name, 'implements' starts heritage clause + // - class with name 'implements' + // 'isImplementsClause' helps to disambiguate between these two cases + return isIdentifier() && !isImplementsClause() + ? parseIdentifier() + : undefined; + } + function isImplementsClause() { + return token === 106 /* ImplementsKeyword */ && lookAhead(nextTokenIsIdentifierOrKeyword); + } + function parseHeritageClauses(isClassHeritageClause) { + // ClassTail[Yield,Await] : (Modified) See 14.5 + // ClassHeritage[?Yield,?Await]opt { ClassBody[?Yield,?Await]opt } + if (isHeritageClause()) { + return parseList(20 /* HeritageClauses */, parseHeritageClause); + } + return undefined; + } + function parseHeritageClause() { + if (token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */) { + var node = createNode(246 /* HeritageClause */); + node.token = token; + nextToken(); + node.types = parseDelimitedList(7 /* HeritageClauseElement */, parseExpressionWithTypeArguments); + return finishNode(node); + } + return undefined; + } + function parseExpressionWithTypeArguments() { + var node = createNode(191 /* ExpressionWithTypeArguments */); + node.expression = parseLeftHandSideExpressionOrHigher(); + if (token === 25 /* LessThanToken */) { + node.typeArguments = parseBracketedList(18 /* TypeArguments */, parseType, 25 /* LessThanToken */, 27 /* GreaterThanToken */); + } + return finishNode(node); + } + function isHeritageClause() { + return token === 83 /* ExtendsKeyword */ || token === 106 /* ImplementsKeyword */; + } + function parseClassMembers() { + return parseList(5 /* ClassMembers */, parseClassElement); + } + function parseInterfaceDeclaration(fullStart, decorators, modifiers) { + var node = createNode(218 /* InterfaceDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(107 /* InterfaceKeyword */); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + node.heritageClauses = parseHeritageClauses(/*isClassHeritageClause*/ false); + node.members = parseObjectTypeMembers(); + return finishNode(node); + } + function parseTypeAliasDeclaration(fullStart, decorators, modifiers) { + var node = createNode(219 /* TypeAliasDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(132 /* TypeKeyword */); + node.name = parseIdentifier(); + node.typeParameters = parseTypeParameters(); + parseExpected(56 /* EqualsToken */); + node.type = parseType(); + parseSemicolon(); + return finishNode(node); + } + // In an ambient declaration, the grammar only allows integer literals as initializers. + // In a non-ambient declaration, the grammar allows uninitialized members only in a + // ConstantEnumMemberSection, which starts at the beginning of an enum declaration + // or any time an integer literal initializer is encountered. + function parseEnumMember() { + var node = createNode(250 /* EnumMember */, scanner.getStartPos()); + node.name = parsePropertyName(); + node.initializer = allowInAnd(parseNonParameterInitializer); + return finishNode(node); + } + function parseEnumDeclaration(fullStart, decorators, modifiers) { + var node = createNode(220 /* EnumDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + parseExpected(81 /* EnumKeyword */); + node.name = parseIdentifier(); + if (parseExpected(15 /* OpenBraceToken */)) { + node.members = parseDelimitedList(6 /* EnumMembers */, parseEnumMember); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.members = createMissingList(); + } + return finishNode(node); + } + function parseModuleBlock() { + var node = createNode(222 /* ModuleBlock */, scanner.getStartPos()); + if (parseExpected(15 /* OpenBraceToken */)) { + node.statements = parseList(1 /* BlockStatements */, parseStatement); + parseExpected(16 /* CloseBraceToken */); + } + else { + node.statements = createMissingList(); + } + return finishNode(node); + } + function parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags) { + var node = createNode(221 /* ModuleDeclaration */, fullStart); + // If we are parsing a dotted namespace name, we want to + // propagate the 'Namespace' flag across the names if set. + var namespaceFlag = flags & 65536 /* Namespace */; + node.decorators = decorators; + setModifiers(node, modifiers); + node.flags |= flags; + node.name = parseIdentifier(); + node.body = parseOptional(21 /* DotToken */) + ? parseModuleOrNamespaceDeclaration(getNodePos(), /*decorators*/ undefined, /*modifiers*/ undefined, 2 /* Export */ | namespaceFlag) + : parseModuleBlock(); + return finishNode(node); + } + function parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers) { + var node = createNode(221 /* ModuleDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (token === 134 /* GlobalKeyword */) { + // parse 'global' as name of global scope augmentation + node.name = parseIdentifier(); + node.flags |= 2097152 /* GlobalAugmentation */; + } + else { + node.name = parseLiteralNode(/*internName*/ true); + } + node.body = parseModuleBlock(); + return finishNode(node); + } + function parseModuleDeclaration(fullStart, decorators, modifiers) { + var flags = modifiers ? modifiers.flags : 0; + if (token === 134 /* GlobalKeyword */) { + // global augmentation + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + else if (parseOptional(126 /* NamespaceKeyword */)) { + flags |= 65536 /* Namespace */; + } + else { + parseExpected(125 /* ModuleKeyword */); + if (token === 9 /* StringLiteral */) { + return parseAmbientExternalModuleDeclaration(fullStart, decorators, modifiers); + } + } + return parseModuleOrNamespaceDeclaration(fullStart, decorators, modifiers, flags); + } + function isExternalModuleReference() { + return token === 127 /* RequireKeyword */ && + lookAhead(nextTokenIsOpenParen); + } + function nextTokenIsOpenParen() { + return nextToken() === 17 /* OpenParenToken */; + } + function nextTokenIsSlash() { + return nextToken() === 39 /* SlashToken */; + } + function parseImportDeclarationOrImportEqualsDeclaration(fullStart, decorators, modifiers) { + parseExpected(89 /* ImportKeyword */); + var afterImportPos = scanner.getStartPos(); + var identifier; + if (isIdentifier()) { + identifier = parseIdentifier(); + if (token !== 24 /* CommaToken */ && token !== 133 /* FromKeyword */) { + // ImportEquals declaration of type: + // import x = require("mod"); or + // import x = M.x; + var importEqualsDeclaration = createNode(224 /* ImportEqualsDeclaration */, fullStart); + importEqualsDeclaration.decorators = decorators; + setModifiers(importEqualsDeclaration, modifiers); + importEqualsDeclaration.name = identifier; + parseExpected(56 /* EqualsToken */); + importEqualsDeclaration.moduleReference = parseModuleReference(); + parseSemicolon(); + return finishNode(importEqualsDeclaration); + } + } + // Import statement + var importDeclaration = createNode(225 /* ImportDeclaration */, fullStart); + importDeclaration.decorators = decorators; + setModifiers(importDeclaration, modifiers); + // ImportDeclaration: + // import ImportClause from ModuleSpecifier ; + // import ModuleSpecifier; + if (identifier || + token === 37 /* AsteriskToken */ || + token === 15 /* OpenBraceToken */) { + importDeclaration.importClause = parseImportClause(identifier, afterImportPos); + parseExpected(133 /* FromKeyword */); + } + importDeclaration.moduleSpecifier = parseModuleSpecifier(); + parseSemicolon(); + return finishNode(importDeclaration); + } + function parseImportClause(identifier, fullStart) { + // ImportClause: + // ImportedDefaultBinding + // NameSpaceImport + // NamedImports + // ImportedDefaultBinding, NameSpaceImport + // ImportedDefaultBinding, NamedImports + var importClause = createNode(226 /* ImportClause */, fullStart); + if (identifier) { + // ImportedDefaultBinding: + // ImportedBinding + importClause.name = identifier; + } + // If there was no default import or if there is comma token after default import + // parse namespace or named imports + if (!importClause.name || + parseOptional(24 /* CommaToken */)) { + importClause.namedBindings = token === 37 /* AsteriskToken */ ? parseNamespaceImport() : parseNamedImportsOrExports(228 /* NamedImports */); + } + return finishNode(importClause); + } + function parseModuleReference() { + return isExternalModuleReference() + ? parseExternalModuleReference() + : parseEntityName(/*allowReservedWords*/ false); + } + function parseExternalModuleReference() { + var node = createNode(235 /* ExternalModuleReference */); + parseExpected(127 /* RequireKeyword */); + parseExpected(17 /* OpenParenToken */); + node.expression = parseModuleSpecifier(); + parseExpected(18 /* CloseParenToken */); + return finishNode(node); + } + function parseModuleSpecifier() { + if (token === 9 /* StringLiteral */) { + var result = parseLiteralNode(); + internIdentifier(result.text); + return result; + } + else { + // We allow arbitrary expressions here, even though the grammar only allows string + // literals. We check to ensure that it is only a string literal later in the grammar + // check pass. + return parseExpression(); + } + } + function parseNamespaceImport() { + // NameSpaceImport: + // * as ImportedBinding + var namespaceImport = createNode(227 /* NamespaceImport */); + parseExpected(37 /* AsteriskToken */); + parseExpected(116 /* AsKeyword */); + namespaceImport.name = parseIdentifier(); + return finishNode(namespaceImport); + } + function parseNamedImportsOrExports(kind) { + var node = createNode(kind); + // NamedImports: + // { } + // { ImportsList } + // { ImportsList, } + // ImportsList: + // ImportSpecifier + // ImportsList, ImportSpecifier + node.elements = parseBracketedList(21 /* ImportOrExportSpecifiers */, kind === 228 /* NamedImports */ ? parseImportSpecifier : parseExportSpecifier, 15 /* OpenBraceToken */, 16 /* CloseBraceToken */); + return finishNode(node); + } + function parseExportSpecifier() { + return parseImportOrExportSpecifier(233 /* ExportSpecifier */); + } + function parseImportSpecifier() { + return parseImportOrExportSpecifier(229 /* ImportSpecifier */); + } + function parseImportOrExportSpecifier(kind) { + var node = createNode(kind); + // ImportSpecifier: + // BindingIdentifier + // IdentifierName as BindingIdentifier + // ExportSpecififer: + // IdentifierName + // IdentifierName as IdentifierName + var checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + var checkIdentifierStart = scanner.getTokenPos(); + var checkIdentifierEnd = scanner.getTextPos(); + var identifierName = parseIdentifierName(); + if (token === 116 /* AsKeyword */) { + node.propertyName = identifierName; + parseExpected(116 /* AsKeyword */); + checkIdentifierIsKeyword = ts.isKeyword(token) && !isIdentifier(); + checkIdentifierStart = scanner.getTokenPos(); + checkIdentifierEnd = scanner.getTextPos(); + node.name = parseIdentifierName(); + } + else { + node.name = identifierName; + } + if (kind === 229 /* ImportSpecifier */ && checkIdentifierIsKeyword) { + // Report error identifier expected + parseErrorAtPosition(checkIdentifierStart, checkIdentifierEnd - checkIdentifierStart, ts.Diagnostics.Identifier_expected); + } + return finishNode(node); + } + function parseExportDeclaration(fullStart, decorators, modifiers) { + var node = createNode(231 /* ExportDeclaration */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(37 /* AsteriskToken */)) { + parseExpected(133 /* FromKeyword */); + node.moduleSpecifier = parseModuleSpecifier(); + } + else { + node.exportClause = parseNamedImportsOrExports(232 /* NamedExports */); + // It is not uncommon to accidentally omit the 'from' keyword. Additionally, in editing scenarios, + // the 'from' keyword can be parsed as a named export when the export clause is unterminated (i.e. `export { from "moduleName";`) + // If we don't have a 'from' keyword, see if we have a string literal such that ASI won't take effect. + if (token === 133 /* FromKeyword */ || (token === 9 /* StringLiteral */ && !scanner.hasPrecedingLineBreak())) { + parseExpected(133 /* FromKeyword */); + node.moduleSpecifier = parseModuleSpecifier(); + } + } + parseSemicolon(); + return finishNode(node); + } + function parseExportAssignment(fullStart, decorators, modifiers) { + var node = createNode(230 /* ExportAssignment */, fullStart); + node.decorators = decorators; + setModifiers(node, modifiers); + if (parseOptional(56 /* EqualsToken */)) { + node.isExportEquals = true; + } + else { + parseExpected(77 /* DefaultKeyword */); + } + node.expression = parseAssignmentExpressionOrHigher(); + parseSemicolon(); + return finishNode(node); + } + function processReferenceComments(sourceFile) { + var triviaScanner = ts.createScanner(sourceFile.languageVersion, /*skipTrivia*/ false, 0 /* Standard */, sourceText); + var referencedFiles = []; + var amdDependencies = []; + var amdModuleName; + // Keep scanning all the leading trivia in the file until we get to something that + // isn't trivia. Any single line comment will be analyzed to see if it is a + // reference comment. + while (true) { + var kind = triviaScanner.scan(); + if (kind !== 2 /* SingleLineCommentTrivia */) { + if (ts.isTrivia(kind)) { + continue; + } + else { + break; + } + } + var range = { pos: triviaScanner.getTokenPos(), end: triviaScanner.getTextPos(), kind: triviaScanner.getToken() }; + var comment = sourceText.substring(range.pos, range.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, range); + if (referencePathMatchResult) { + var fileReference = referencePathMatchResult.fileReference; + sourceFile.hasNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var diagnosticMessage = referencePathMatchResult.diagnosticMessage; + if (fileReference) { + referencedFiles.push(fileReference); + } + if (diagnosticMessage) { + parseDiagnostics.push(ts.createFileDiagnostic(sourceFile, range.pos, range.end - range.pos, diagnosticMessage)); + } + } + else { + var amdModuleNameRegEx = /^\/\/\/\s*".length; + return parseErrorAtPosition(start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function parseQualifiedName(left) { + var result = createNode(136 /* QualifiedName */, left.pos); + result.left = left; + result.right = parseIdentifierName(); + return finishNode(result); + } + function parseJSDocRecordType() { + var result = createNode(260 /* JSDocRecordType */); + nextToken(); + result.members = parseDelimitedList(24 /* JSDocRecordMembers */, parseJSDocRecordMember); + checkForTrailingComma(result.members); + parseExpected(16 /* CloseBraceToken */); + return finishNode(result); + } + function parseJSDocRecordMember() { + var result = createNode(261 /* JSDocRecordMember */); + result.name = parseSimplePropertyName(); + if (token === 54 /* ColonToken */) { + nextToken(); + result.type = parseJSDocType(); + } + return finishNode(result); + } + function parseJSDocNonNullableType() { + var result = createNode(259 /* JSDocNonNullableType */); + nextToken(); + result.type = parseJSDocType(); + return finishNode(result); + } + function parseJSDocTupleType() { + var result = createNode(257 /* JSDocTupleType */); + nextToken(); + result.types = parseDelimitedList(25 /* JSDocTupleTypes */, parseJSDocType); + checkForTrailingComma(result.types); + parseExpected(20 /* CloseBracketToken */); + return finishNode(result); + } + function checkForTrailingComma(list) { + if (parseDiagnostics.length === 0 && list.hasTrailingComma) { + var start = list.end - ",".length; + parseErrorAtPosition(start, ",".length, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function parseJSDocUnionType() { + var result = createNode(256 /* JSDocUnionType */); + nextToken(); + result.types = parseJSDocTypeList(parseJSDocType()); + parseExpected(18 /* CloseParenToken */); + return finishNode(result); + } + function parseJSDocTypeList(firstType) { + ts.Debug.assert(!!firstType); + var types = []; + types.pos = firstType.pos; + types.push(firstType); + while (parseOptional(47 /* BarToken */)) { + types.push(parseJSDocType()); + } + types.end = scanner.getStartPos(); + return types; + } + function parseJSDocAllType() { + var result = createNode(253 /* JSDocAllType */); + nextToken(); + return finishNode(result); + } + function parseJSDocUnknownOrNullableType() { + var pos = scanner.getStartPos(); + // skip the ? + nextToken(); + // Need to lookahead to decide if this is a nullable or unknown type. + // Here are cases where we'll pick the unknown type: + // + // Foo(?, + // { a: ? } + // Foo(?) + // Foo + // Foo(?= + // (?| + if (token === 24 /* CommaToken */ || + token === 16 /* CloseBraceToken */ || + token === 18 /* CloseParenToken */ || + token === 27 /* GreaterThanToken */ || + token === 56 /* EqualsToken */ || + token === 47 /* BarToken */) { + var result = createNode(254 /* JSDocUnknownType */, pos); + return finishNode(result); + } + else { + var result = createNode(258 /* JSDocNullableType */, pos); + result.type = parseJSDocType(); + return finishNode(result); + } + } + function parseIsolatedJSDocComment(content, start, length) { + initializeState("file.js", content, 2 /* Latest */, /*isJavaScriptFile*/ true, /*_syntaxCursor:*/ undefined); + sourceFile = { languageVariant: 0 /* Standard */, text: content }; + var jsDocComment = parseJSDocCommentWorker(start, length); + var diagnostics = parseDiagnostics; + clearState(); + return jsDocComment ? { jsDocComment: jsDocComment, diagnostics: diagnostics } : undefined; + } + JSDocParser.parseIsolatedJSDocComment = parseIsolatedJSDocComment; + function parseJSDocComment(parent, start, length) { + var saveToken = token; + var saveParseDiagnosticsLength = parseDiagnostics.length; + var saveParseErrorBeforeNextFinishedNode = parseErrorBeforeNextFinishedNode; + var comment = parseJSDocCommentWorker(start, length); + if (comment) { + comment.parent = parent; + } + token = saveToken; + parseDiagnostics.length = saveParseDiagnosticsLength; + parseErrorBeforeNextFinishedNode = saveParseErrorBeforeNextFinishedNode; + return comment; + } + JSDocParser.parseJSDocComment = parseJSDocComment; + function parseJSDocCommentWorker(start, length) { + var content = sourceText; + start = start || 0; + var end = length === undefined ? content.length : start + length; + length = end - start; + ts.Debug.assert(start >= 0); + ts.Debug.assert(start <= end); + ts.Debug.assert(end <= content.length); + var tags; + var result; + // Check for /** (JSDoc opening part) + if (content.charCodeAt(start) === 47 /* slash */ && + content.charCodeAt(start + 1) === 42 /* asterisk */ && + content.charCodeAt(start + 2) === 42 /* asterisk */ && + content.charCodeAt(start + 3) !== 42 /* asterisk */) { + // + 3 for leading /**, - 5 in total for /** */ + scanner.scanRange(start + 3, length - 5, function () { + // Initially we can parse out a tag. We also have seen a starting asterisk. + // This is so that /** * @type */ doesn't parse. + var canParseTag = true; + var seenAsterisk = true; + nextJSDocToken(); + while (token !== 1 /* EndOfFileToken */) { + switch (token) { + case 55 /* AtToken */: + if (canParseTag) { + parseTag(); + } + // This will take us to the end of the line, so it's OK to parse a tag on the next pass through the loop + seenAsterisk = false; + break; + case 4 /* NewLineTrivia */: + // After a line break, we can parse a tag, and we haven't seen an asterisk on the next line yet + canParseTag = true; + seenAsterisk = false; + break; + case 37 /* AsteriskToken */: + if (seenAsterisk) { + // If we've already seen an asterisk, then we can no longer parse a tag on this line + canParseTag = false; + } + // Ignore the first asterisk on a line + seenAsterisk = true; + break; + case 69 /* Identifier */: + // Anything else is doc comment text. We can't do anything with it. Because it + // wasn't a tag, we can no longer parse a tag on this line until we hit the next + // line break. + canParseTag = false; + break; + case 1 /* EndOfFileToken */: + break; + } + nextJSDocToken(); + } + result = createJSDocComment(); + }); + } + return result; + function createJSDocComment() { + if (!tags) { + return undefined; + } + var result = createNode(268 /* JSDocComment */, start); + result.tags = tags; + return finishNode(result, end); + } + function skipWhitespace() { + while (token === 5 /* WhitespaceTrivia */ || token === 4 /* NewLineTrivia */) { + nextJSDocToken(); + } + } + function parseTag() { + ts.Debug.assert(token === 55 /* AtToken */); + var atToken = createNode(55 /* AtToken */, scanner.getTokenPos()); + atToken.end = scanner.getTextPos(); + nextJSDocToken(); + var tagName = parseJSDocIdentifier(); + if (!tagName) { + return; + } + var tag = handleTag(atToken, tagName) || handleUnknownTag(atToken, tagName); + addTag(tag); + } + function handleTag(atToken, tagName) { + if (tagName) { + switch (tagName.text) { + case "param": + return handleParamTag(atToken, tagName); + case "return": + case "returns": + return handleReturnTag(atToken, tagName); + case "template": + return handleTemplateTag(atToken, tagName); + case "type": + return handleTypeTag(atToken, tagName); + } + } + return undefined; + } + function handleUnknownTag(atToken, tagName) { + var result = createNode(269 /* JSDocTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + return finishNode(result); + } + function addTag(tag) { + if (tag) { + if (!tags) { + tags = []; + tags.pos = tag.pos; + } + tags.push(tag); + tags.end = tag.end; + } + } + function tryParseTypeExpression() { + if (token !== 15 /* OpenBraceToken */) { + return undefined; + } + var typeExpression = parseJSDocTypeExpression(); + return typeExpression; + } + function handleParamTag(atToken, tagName) { + var typeExpression = tryParseTypeExpression(); + skipWhitespace(); + var name; + var isBracketed; + // Looking for something like '[foo]' or 'foo' + if (parseOptionalToken(19 /* OpenBracketToken */)) { + name = parseJSDocIdentifier(); + isBracketed = true; + // May have an optional default, e.g. '[foo = 42]' + if (parseOptionalToken(56 /* EqualsToken */)) { + parseExpression(); + } + parseExpected(20 /* CloseBracketToken */); + } + else if (token === 69 /* Identifier */) { + name = parseJSDocIdentifier(); + } + if (!name) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var preName, postName; + if (typeExpression) { + postName = name; + } + else { + preName = name; + } + if (!typeExpression) { + typeExpression = tryParseTypeExpression(); + } + var result = createNode(270 /* JSDocParameterTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.preParameterName = preName; + result.typeExpression = typeExpression; + result.postParameterName = postName; + result.isBracketed = isBracketed; + return finishNode(result); + } + function handleReturnTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 271 /* JSDocReturnTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(271 /* JSDocReturnTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTypeTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 272 /* JSDocTypeTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + var result = createNode(272 /* JSDocTypeTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeExpression = tryParseTypeExpression(); + return finishNode(result); + } + function handleTemplateTag(atToken, tagName) { + if (ts.forEach(tags, function (t) { return t.kind === 273 /* JSDocTemplateTag */; })) { + parseErrorAtPosition(tagName.pos, scanner.getTokenPos() - tagName.pos, ts.Diagnostics._0_tag_already_specified, tagName.text); + } + // Type parameter list looks like '@template T,U,V' + var typeParameters = []; + typeParameters.pos = scanner.getStartPos(); + while (true) { + var name_8 = parseJSDocIdentifier(); + if (!name_8) { + parseErrorAtPosition(scanner.getStartPos(), 0, ts.Diagnostics.Identifier_expected); + return undefined; + } + var typeParameter = createNode(138 /* TypeParameter */, name_8.pos); + typeParameter.name = name_8; + finishNode(typeParameter); + typeParameters.push(typeParameter); + if (token === 24 /* CommaToken */) { + nextJSDocToken(); + } + else { + break; + } + } + var result = createNode(273 /* JSDocTemplateTag */, atToken.pos); + result.atToken = atToken; + result.tagName = tagName; + result.typeParameters = typeParameters; + finishNode(result); + typeParameters.end = result.end; + return result; + } + function nextJSDocToken() { + return token = scanner.scanJSDocToken(); + } + function parseJSDocIdentifier() { + if (token !== 69 /* Identifier */) { + parseErrorAtCurrentToken(ts.Diagnostics.Identifier_expected); + return undefined; + } + var pos = scanner.getTokenPos(); + var end = scanner.getTextPos(); + var result = createNode(69 /* Identifier */, pos); + result.text = content.substring(pos, end); + finishNode(result, end); + nextJSDocToken(); + return result; + } + } + JSDocParser.parseJSDocCommentWorker = parseJSDocCommentWorker; + })(JSDocParser = Parser.JSDocParser || (Parser.JSDocParser = {})); + })(Parser || (Parser = {})); + var IncrementalParser; + (function (IncrementalParser) { + function updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks) { + aggressiveChecks = aggressiveChecks || ts.Debug.shouldAssert(2 /* Aggressive */); + checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks); + if (ts.textChangeRangeIsUnchanged(textChangeRange)) { + // if the text didn't change, then we can just return our current source file as-is. + return sourceFile; + } + if (sourceFile.statements.length === 0) { + // If we don't have any statements in the current source file, then there's no real + // way to incrementally parse. So just do a full parse instead. + return Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, /*syntaxCursor*/ undefined, /*setParentNodes*/ true); + } + // Make sure we're not trying to incrementally update a source file more than once. Once + // we do an update the original source file is considered unusbale from that point onwards. + // + // This is because we do incremental parsing in-place. i.e. we take nodes from the old + // tree and give them new positions and parents. From that point on, trusting the old + // tree at all is not possible as far too much of it may violate invariants. + var incrementalSourceFile = sourceFile; + ts.Debug.assert(!incrementalSourceFile.hasBeenIncrementallyParsed); + incrementalSourceFile.hasBeenIncrementallyParsed = true; + var oldText = sourceFile.text; + var syntaxCursor = createSyntaxCursor(sourceFile); + // Make the actual change larger so that we know to reparse anything whose lookahead + // might have intersected the change. + var changeRange = extendToAffectedRange(sourceFile, textChangeRange); + checkChangeRange(sourceFile, newText, changeRange, aggressiveChecks); + // Ensure that extending the affected range only moved the start of the change range + // earlier in the file. + ts.Debug.assert(changeRange.span.start <= textChangeRange.span.start); + ts.Debug.assert(ts.textSpanEnd(changeRange.span) === ts.textSpanEnd(textChangeRange.span)); + ts.Debug.assert(ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)) === ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange))); + // The is the amount the nodes after the edit range need to be adjusted. It can be + // positive (if the edit added characters), negative (if the edit deleted characters) + // or zero (if this was a pure overwrite with nothing added/removed). + var delta = ts.textChangeRangeNewSpan(changeRange).length - changeRange.span.length; + // If we added or removed characters during the edit, then we need to go and adjust all + // the nodes after the edit. Those nodes may move forward (if we inserted chars) or they + // may move backward (if we deleted chars). + // + // Doing this helps us out in two ways. First, it means that any nodes/tokens we want + // to reuse are already at the appropriate position in the new text. That way when we + // reuse them, we don't have to figure out if they need to be adjusted. Second, it makes + // it very easy to determine if we can reuse a node. If the node's position is at where + // we are in the text, then we can reuse it. Otherwise we can't. If the node's position + // is ahead of us, then we'll need to rescan tokens. If the node's position is behind + // us, then we'll need to skip it or crumble it as appropriate + // + // We will also adjust the positions of nodes that intersect the change range as well. + // By doing this, we ensure that all the positions in the old tree are consistent, not + // just the positions of nodes entirely before/after the change range. By being + // consistent, we can then easily map from positions to nodes in the old tree easily. + // + // Also, mark any syntax elements that intersect the changed span. We know, up front, + // that we cannot reuse these elements. + updateTokenPositionsAndMarkElements(incrementalSourceFile, changeRange.span.start, ts.textSpanEnd(changeRange.span), ts.textSpanEnd(ts.textChangeRangeNewSpan(changeRange)), delta, oldText, newText, aggressiveChecks); + // Now that we've set up our internal incremental state just proceed and parse the + // source file in the normal fashion. When possible the parser will retrieve and + // reuse nodes from the old tree. + // + // Note: passing in 'true' for setNodeParents is very important. When incrementally + // parsing, we will be reusing nodes from the old tree, and placing it into new + // parents. If we don't set the parents now, we'll end up with an observably + // inconsistent tree. Setting the parents on the new tree should be very fast. We + // will immediately bail out of walking any subtrees when we can see that their parents + // are already correct. + var result = Parser.parseSourceFile(sourceFile.fileName, newText, sourceFile.languageVersion, syntaxCursor, /*setParentNodes*/ true); + return result; + } + IncrementalParser.updateSourceFile = updateSourceFile; + function moveElementEntirelyPastChangeRange(element, isArray, delta, oldText, newText, aggressiveChecks) { + if (isArray) { + visitArray(element); + } + else { + visitNode(element); + } + return; + function visitNode(node) { + var text = ""; + if (aggressiveChecks && shouldCheckNode(node)) { + text = oldText.substring(node.pos, node.end); + } + // Ditch any existing LS children we may have created. This way we can avoid + // moving them forward. + if (node._children) { + node._children = undefined; + } + if (node.jsDocComment) { + node.jsDocComment = undefined; + } + node.pos += delta; + node.end += delta; + if (aggressiveChecks && shouldCheckNode(node)) { + ts.Debug.assert(text === newText.substring(node.pos, node.end)); + } + forEachChild(node, visitNode, visitArray); + checkNodePositions(node, aggressiveChecks); + } + function visitArray(array) { + array._children = undefined; + array.pos += delta; + array.end += delta; + for (var _i = 0, array_7 = array; _i < array_7.length; _i++) { + var node = array_7[_i]; + visitNode(node); + } + } + } + function shouldCheckNode(node) { + switch (node.kind) { + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + case 69 /* Identifier */: + return true; + } + return false; + } + function adjustIntersectingElement(element, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta) { + ts.Debug.assert(element.end >= changeStart, "Adjusting an element that was entirely before the change range"); + ts.Debug.assert(element.pos <= changeRangeOldEnd, "Adjusting an element that was entirely after the change range"); + ts.Debug.assert(element.pos <= element.end); + // We have an element that intersects the change range in some way. It may have its + // start, or its end (or both) in the changed range. We want to adjust any part + // that intersects such that the final tree is in a consistent state. i.e. all + // chlidren have spans within the span of their parent, and all siblings are ordered + // properly. + // We may need to update both the 'pos' and the 'end' of the element. + // If the 'pos' is before the start of the change, then we don't need to touch it. + // If it isn't, then the 'pos' must be inside the change. How we update it will + // depend if delta is positive or negative. If delta is positive then we have + // something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that started in the change range to still be + // starting at the same position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that started in the 'X' range will keep its position. + // However any element htat started after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that started in the 'Y' range will + // be adjusted to have their start at the end of the 'Z' range. + // + // The element will keep its position if possible. Or Move backward to the new-end + // if it's in the 'Y' range. + element.pos = Math.min(element.pos, changeRangeNewEnd); + // If the 'end' is after the change range, then we always adjust it by the delta + // amount. However, if the end is in the change range, then how we adjust it + // will depend on if delta is positive or negative. If delta is positive then we + // have something like: + // + // -------------------AAA----------------- + // -------------------BBBCCCCCCC----------------- + // + // In this case, we consider any node that ended inside the change range to keep its + // end position. + // + // however, if the delta is negative, then we instead have something like this: + // + // -------------------XXXYYYYYYY----------------- + // -------------------ZZZ----------------- + // + // In this case, any element that ended in the 'X' range will keep its position. + // However any element htat ended after that will have their pos adjusted to be + // at the end of the new range. i.e. any node that ended in the 'Y' range will + // be adjusted to have their end at the end of the 'Z' range. + if (element.end >= changeRangeOldEnd) { + // Element ends after the change range. Always adjust the end pos. + element.end += delta; + } + else { + // Element ends in the change range. The element will keep its position if + // possible. Or Move backward to the new-end if it's in the 'Y' range. + element.end = Math.min(element.end, changeRangeNewEnd); + } + ts.Debug.assert(element.pos <= element.end); + if (element.parent) { + ts.Debug.assert(element.pos >= element.parent.pos); + ts.Debug.assert(element.end <= element.parent.end); + } + } + function checkNodePositions(node, aggressiveChecks) { + if (aggressiveChecks) { + var pos_2 = node.pos; + forEachChild(node, function (child) { + ts.Debug.assert(child.pos >= pos_2); + pos_2 = child.end; + }); + ts.Debug.assert(pos_2 <= node.end); + } + } + function updateTokenPositionsAndMarkElements(sourceFile, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta, oldText, newText, aggressiveChecks) { + visitNode(sourceFile); + return; + function visitNode(child) { + ts.Debug.assert(child.pos <= child.end); + if (child.pos > changeRangeOldEnd) { + // Node is entirely past the change range. We need to move both its pos and + // end, forward or backward appropriately. + moveElementEntirelyPastChangeRange(child, /*isArray*/ false, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = child.end; + if (fullEnd >= changeStart) { + child.intersectsChange = true; + child._children = undefined; + // Adjust the pos or end (or both) of the intersecting element accordingly. + adjustIntersectingElement(child, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + forEachChild(child, visitNode, visitArray); + checkNodePositions(child, aggressiveChecks); + return; + } + // Otherwise, the node is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + function visitArray(array) { + ts.Debug.assert(array.pos <= array.end); + if (array.pos > changeRangeOldEnd) { + // Array is entirely after the change range. We need to move it, and move any of + // its children. + moveElementEntirelyPastChangeRange(array, /*isArray*/ true, delta, oldText, newText, aggressiveChecks); + return; + } + // Check if the element intersects the change range. If it does, then it is not + // reusable. Also, we'll need to recurse to see what constituent portions we may + // be able to use. + var fullEnd = array.end; + if (fullEnd >= changeStart) { + array.intersectsChange = true; + array._children = undefined; + // Adjust the pos or end (or both) of the intersecting array accordingly. + adjustIntersectingElement(array, changeStart, changeRangeOldEnd, changeRangeNewEnd, delta); + for (var _i = 0, array_8 = array; _i < array_8.length; _i++) { + var node = array_8[_i]; + visitNode(node); + } + return; + } + // Otherwise, the array is entirely before the change range. No need to do anything with it. + ts.Debug.assert(fullEnd < changeStart); + } + } + function extendToAffectedRange(sourceFile, changeRange) { + // Consider the following code: + // void foo() { /; } + // + // If the text changes with an insertion of / just before the semicolon then we end up with: + // void foo() { //; } + // + // If we were to just use the changeRange a is, then we would not rescan the { token + // (as it does not intersect the actual original change range). Because an edit may + // change the token touching it, we actually need to look back *at least* one token so + // that the prior token sees that change. + var maxLookahead = 1; + var start = changeRange.span.start; + // the first iteration aligns us with the change start. subsequent iteration move us to + // the left by maxLookahead tokens. We only need to do this as long as we're not at the + // start of the tree. + for (var i = 0; start > 0 && i <= maxLookahead; i++) { + var nearestNode = findNearestNodeStartingBeforeOrAtPosition(sourceFile, start); + ts.Debug.assert(nearestNode.pos <= start); + var position = nearestNode.pos; + start = Math.max(0, position - 1); + } + var finalSpan = ts.createTextSpanFromBounds(start, ts.textSpanEnd(changeRange.span)); + var finalLength = changeRange.newLength + (changeRange.span.start - start); + return ts.createTextChangeRange(finalSpan, finalLength); + } + function findNearestNodeStartingBeforeOrAtPosition(sourceFile, position) { + var bestResult = sourceFile; + var lastNodeEntirelyBeforePosition; + forEachChild(sourceFile, visit); + if (lastNodeEntirelyBeforePosition) { + var lastChildOfLastEntireNodeBeforePosition = getLastChild(lastNodeEntirelyBeforePosition); + if (lastChildOfLastEntireNodeBeforePosition.pos > bestResult.pos) { + bestResult = lastChildOfLastEntireNodeBeforePosition; + } + } + return bestResult; + function getLastChild(node) { + while (true) { + var lastChild = getLastChildWorker(node); + if (lastChild) { + node = lastChild; + } + else { + return node; + } + } + } + function getLastChildWorker(node) { + var last = undefined; + forEachChild(node, function (child) { + if (ts.nodeIsPresent(child)) { + last = child; + } + }); + return last; + } + function visit(child) { + if (ts.nodeIsMissing(child)) { + // Missing nodes are effectively invisible to us. We never even consider them + // When trying to find the nearest node before us. + return; + } + // If the child intersects this position, then this node is currently the nearest + // node that starts before the position. + if (child.pos <= position) { + if (child.pos >= bestResult.pos) { + // This node starts before the position, and is closer to the position than + // the previous best node we found. It is now the new best node. + bestResult = child; + } + // Now, the node may overlap the position, or it may end entirely before the + // position. If it overlaps with the position, then either it, or one of its + // children must be the nearest node before the position. So we can just + // recurse into this child to see if we can find something better. + if (position < child.end) { + // The nearest node is either this child, or one of the children inside + // of it. We've already marked this child as the best so far. Recurse + // in case one of the children is better. + forEachChild(child, visit); + // Once we look at the children of this node, then there's no need to + // continue any further. + return true; + } + else { + ts.Debug.assert(child.end <= position); + // The child ends entirely before this position. Say you have the following + // (where $ is the position) + // + // ? $ : <...> <...> + // + // We would want to find the nearest preceding node in "complex expr 2". + // To support that, we keep track of this node, and once we're done searching + // for a best node, we recurse down this node to see if we can find a good + // result in it. + // + // This approach allows us to quickly skip over nodes that are entirely + // before the position, while still allowing us to find any nodes in the + // last one that might be what we want. + lastNodeEntirelyBeforePosition = child; + } + } + else { + ts.Debug.assert(child.pos > position); + // We're now at a node that is entirely past the position we're searching for. + // This node (and all following nodes) could never contribute to the result, + // so just skip them by returning 'true' here. + return true; + } + } + } + function checkChangeRange(sourceFile, newText, textChangeRange, aggressiveChecks) { + var oldText = sourceFile.text; + if (textChangeRange) { + ts.Debug.assert((oldText.length - textChangeRange.span.length + textChangeRange.newLength) === newText.length); + if (aggressiveChecks || ts.Debug.shouldAssert(3 /* VeryAggressive */)) { + var oldTextPrefix = oldText.substr(0, textChangeRange.span.start); + var newTextPrefix = newText.substr(0, textChangeRange.span.start); + ts.Debug.assert(oldTextPrefix === newTextPrefix); + var oldTextSuffix = oldText.substring(ts.textSpanEnd(textChangeRange.span), oldText.length); + var newTextSuffix = newText.substring(ts.textSpanEnd(ts.textChangeRangeNewSpan(textChangeRange)), newText.length); + ts.Debug.assert(oldTextSuffix === newTextSuffix); + } + } + } + function createSyntaxCursor(sourceFile) { + var currentArray = sourceFile.statements; + var currentArrayIndex = 0; + ts.Debug.assert(currentArrayIndex < currentArray.length); + var current = currentArray[currentArrayIndex]; + var lastQueriedPosition = -1 /* Value */; + return { + currentNode: function (position) { + // Only compute the current node if the position is different than the last time + // we were asked. The parser commonly asks for the node at the same position + // twice. Once to know if can read an appropriate list element at a certain point, + // and then to actually read and consume the node. + if (position !== lastQueriedPosition) { + // Much of the time the parser will need the very next node in the array that + // we just returned a node from.So just simply check for that case and move + // forward in the array instead of searching for the node again. + if (current && current.end === position && currentArrayIndex < (currentArray.length - 1)) { + currentArrayIndex++; + current = currentArray[currentArrayIndex]; + } + // If we don't have a node, or the node we have isn't in the right position, + // then try to find a viable node at the position requested. + if (!current || current.pos !== position) { + findHighestListElementThatStartsAtPosition(position); + } + } + // Cache this query so that we don't do any extra work if the parser calls back + // into us. Note: this is very common as the parser will make pairs of calls like + // 'isListElement -> parseListElement'. If we were unable to find a node when + // called with 'isListElement', we don't want to redo the work when parseListElement + // is called immediately after. + lastQueriedPosition = position; + // Either we don'd have a node, or we have a node at the position being asked for. + ts.Debug.assert(!current || current.pos === position); + return current; + } + }; + // Finds the highest element in the tree we can find that starts at the provided position. + // The element must be a direct child of some node list in the tree. This way after we + // return it, we can easily return its next sibling in the list. + function findHighestListElementThatStartsAtPosition(position) { + // Clear out any cached state about the last node we found. + currentArray = undefined; + currentArrayIndex = -1 /* Value */; + current = undefined; + // Recurse into the source file to find the highest node at this position. + forEachChild(sourceFile, visitNode, visitArray); + return; + function visitNode(node) { + if (position >= node.pos && position < node.end) { + // Position was within this node. Keep searching deeper to find the node. + forEachChild(node, visitNode, visitArray); + // don't procede any futher in the search. + return true; + } + // position wasn't in this node, have to keep searching. + return false; + } + function visitArray(array) { + if (position >= array.pos && position < array.end) { + // position was in this array. Search through this array to see if we find a + // viable element. + for (var i = 0, n = array.length; i < n; i++) { + var child = array[i]; + if (child) { + if (child.pos === position) { + // Found the right node. We're done. + currentArray = array; + currentArrayIndex = i; + current = child; + return true; + } + else { + if (child.pos < position && position < child.end) { + // Position in somewhere within this child. Search in it and + // stop searching in this array. + forEachChild(child, visitNode, visitArray); + return true; + } + } + } + } + } + // position wasn't in this array, have to keep searching. + return false; + } + } + } + var InvalidPosition; + (function (InvalidPosition) { + InvalidPosition[InvalidPosition["Value"] = -1] = "Value"; + })(InvalidPosition || (InvalidPosition = {})); + })(IncrementalParser || (IncrementalParser = {})); +})(ts || (ts = {})); +/// +/// +/* @internal */ +var ts; +(function (ts) { + ts.bindTime = 0; + (function (ModuleInstanceState) { + ModuleInstanceState[ModuleInstanceState["NonInstantiated"] = 0] = "NonInstantiated"; + ModuleInstanceState[ModuleInstanceState["Instantiated"] = 1] = "Instantiated"; + ModuleInstanceState[ModuleInstanceState["ConstEnumOnly"] = 2] = "ConstEnumOnly"; + })(ts.ModuleInstanceState || (ts.ModuleInstanceState = {})); + var ModuleInstanceState = ts.ModuleInstanceState; + var Reachability; + (function (Reachability) { + Reachability[Reachability["Unintialized"] = 1] = "Unintialized"; + Reachability[Reachability["Reachable"] = 2] = "Reachable"; + Reachability[Reachability["Unreachable"] = 4] = "Unreachable"; + Reachability[Reachability["ReportedUnreachable"] = 8] = "ReportedUnreachable"; + })(Reachability || (Reachability = {})); + function or(state1, state2) { + return (state1 | state2) & 2 /* Reachable */ + ? 2 /* Reachable */ + : (state1 & state2) & 8 /* ReportedUnreachable */ + ? 8 /* ReportedUnreachable */ + : 4 /* Unreachable */; + } + function getModuleInstanceState(node) { + // A module is uninstantiated if it contains only + // 1. interface declarations, type alias declarations + if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 219 /* TypeAliasDeclaration */) { + return 0 /* NonInstantiated */; + } + else if (ts.isConstEnumDeclaration(node)) { + return 2 /* ConstEnumOnly */; + } + else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && !(node.flags & 2 /* Export */)) { + return 0 /* NonInstantiated */; + } + else if (node.kind === 222 /* ModuleBlock */) { + var state_1 = 0 /* NonInstantiated */; + ts.forEachChild(node, function (n) { + switch (getModuleInstanceState(n)) { + case 0 /* NonInstantiated */: + // child is non-instantiated - continue searching + return false; + case 2 /* ConstEnumOnly */: + // child is const enum only - record state and continue searching + state_1 = 2 /* ConstEnumOnly */; + return false; + case 1 /* Instantiated */: + // child is instantiated - record state and stop + state_1 = 1 /* Instantiated */; + return true; + } + }); + return state_1; + } + else if (node.kind === 221 /* ModuleDeclaration */) { + return getModuleInstanceState(node.body); + } + else { + return 1 /* Instantiated */; + } + } + ts.getModuleInstanceState = getModuleInstanceState; + var ContainerFlags; + (function (ContainerFlags) { + // The current node is not a container, and no container manipulation should happen before + // recursing into it. + ContainerFlags[ContainerFlags["None"] = 0] = "None"; + // The current node is a container. It should be set as the current container (and block- + // container) before recursing into it. The current node does not have locals. Examples: + // + // Classes, ObjectLiterals, TypeLiterals, Interfaces... + ContainerFlags[ContainerFlags["IsContainer"] = 1] = "IsContainer"; + // The current node is a block-scoped-container. It should be set as the current block- + // container before recursing into it. Examples: + // + // Blocks (when not parented by functions), Catch clauses, For/For-in/For-of statements... + ContainerFlags[ContainerFlags["IsBlockScopedContainer"] = 2] = "IsBlockScopedContainer"; + ContainerFlags[ContainerFlags["HasLocals"] = 4] = "HasLocals"; + // If the current node is a container that also container that also contains locals. Examples: + // + // Functions, Methods, Modules, Source-files. + ContainerFlags[ContainerFlags["IsContainerWithLocals"] = 5] = "IsContainerWithLocals"; + })(ContainerFlags || (ContainerFlags = {})); + var binder = createBinder(); + function bindSourceFile(file, options) { + var start = new Date().getTime(); + binder(file, options); + ts.bindTime += new Date().getTime() - start; + } + ts.bindSourceFile = bindSourceFile; + function createBinder() { + var file; + var options; + var parent; + var container; + var blockScopeContainer; + var lastContainer; + var seenThisKeyword; + // state used by reachability checks + var hasExplicitReturn; + var currentReachabilityState; + var labelStack; + var labelIndexMap; + var implicitLabels; + // state used for emit helpers + var hasClassExtends; + var hasAsyncFunctions; + var hasDecorators; + var hasParameterDecorators; + // If this file is an external module, then it is automatically in strict-mode according to + // ES6. If it is not an external module, then we'll determine if it is in strict mode or + // not depending on if we see "use strict" in certain places (or if we hit a class/namespace). + var inStrictMode; + var symbolCount = 0; + var Symbol; + var classifiableNames; + function bindSourceFile(f, opts) { + file = f; + options = opts; + inStrictMode = !!file.externalModuleIndicator; + classifiableNames = {}; + Symbol = ts.objectAllocator.getSymbolConstructor(); + if (!file.locals) { + bind(file); + file.symbolCount = symbolCount; + file.classifiableNames = classifiableNames; + } + file = undefined; + options = undefined; + parent = undefined; + container = undefined; + blockScopeContainer = undefined; + lastContainer = undefined; + seenThisKeyword = false; + hasExplicitReturn = false; + labelStack = undefined; + labelIndexMap = undefined; + implicitLabels = undefined; + hasClassExtends = false; + hasAsyncFunctions = false; + hasDecorators = false; + hasParameterDecorators = false; + } + return bindSourceFile; + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function addDeclarationToSymbol(symbol, node, symbolFlags) { + symbol.flags |= symbolFlags; + node.symbol = symbol; + if (!symbol.declarations) { + symbol.declarations = []; + } + symbol.declarations.push(node); + if (symbolFlags & 1952 /* HasExports */ && !symbol.exports) { + symbol.exports = {}; + } + if (symbolFlags & 6240 /* HasMembers */ && !symbol.members) { + symbol.members = {}; + } + if (symbolFlags & 107455 /* Value */) { + var valueDeclaration = symbol.valueDeclaration; + if (!valueDeclaration || + (valueDeclaration.kind !== node.kind && valueDeclaration.kind === 221 /* ModuleDeclaration */)) { + // other kinds of value declarations take precedence over modules + symbol.valueDeclaration = node; + } + } + } + // Should not be called on a declaration with a computed property name, + // unless it is a well known Symbol. + function getDeclarationName(node) { + if (node.name) { + if (ts.isAmbientModule(node)) { + return ts.isGlobalScopeAugmentation(node) ? "__global" : "\"" + node.name.text + "\""; + } + if (node.name.kind === 137 /* ComputedPropertyName */) { + var nameExpression = node.name.expression; + // treat computed property names where expression is string/numeric literal as just string/numeric literal + if (ts.isStringOrNumericLiteral(nameExpression.kind)) { + return nameExpression.text; + } + ts.Debug.assert(ts.isWellKnownSymbolSyntactically(nameExpression)); + return ts.getPropertyNameForKnownSymbolName(nameExpression.name.text); + } + return node.name.text; + } + switch (node.kind) { + case 145 /* Constructor */: + return "__constructor"; + case 153 /* FunctionType */: + case 148 /* CallSignature */: + return "__call"; + case 154 /* ConstructorType */: + case 149 /* ConstructSignature */: + return "__new"; + case 150 /* IndexSignature */: + return "__index"; + case 231 /* ExportDeclaration */: + return "__export"; + case 230 /* ExportAssignment */: + return node.isExportEquals ? "export=" : "default"; + case 184 /* BinaryExpression */: + switch (ts.getSpecialPropertyAssignmentKind(node)) { + case 2 /* ModuleExports */: + // module.exports = ... + return "export="; + case 1 /* ExportsProperty */: + case 4 /* ThisProperty */: + // exports.x = ... or this.y = ... + return node.left.name.text; + case 3 /* PrototypeProperty */: + // className.prototype.methodName = ... + return node.left.expression.name.text; + } + ts.Debug.fail("Unknown binary declaration kind"); + break; + case 216 /* FunctionDeclaration */: + case 217 /* ClassDeclaration */: + return node.flags & 512 /* Default */ ? "default" : undefined; + case 264 /* JSDocFunctionType */: + return ts.isJSDocConstructSignature(node) ? "__new" : "__call"; + case 139 /* Parameter */: + // Parameters with names are handled at the top of this function. Parameters + // without names can only come from JSDocFunctionTypes. + ts.Debug.assert(node.parent.kind === 264 /* JSDocFunctionType */); + var functionType = node.parent; + var index = ts.indexOf(functionType.parameters, node); + return "p" + index; + } + } + function getDisplayName(node) { + return node.name ? ts.declarationNameToString(node.name) : getDeclarationName(node); + } + /** + * Declares a Symbol for the node and adds it to symbols. Reports errors for conflicting identifier names. + * @param symbolTable - The symbol table which node will be added to. + * @param parent - node's parent declaration. + * @param node - The declaration to be added to the symbol table + * @param includes - The SymbolFlags that node has in addition to its declaration type (eg: export, ambient, etc.) + * @param excludes - The flags which node cannot be declared alongside in a symbol table. Used to report forbidden declarations. + */ + function declareSymbol(symbolTable, parent, node, includes, excludes) { + ts.Debug.assert(!ts.hasDynamicName(node)); + var isDefaultExport = node.flags & 512 /* Default */; + // The exported symbol for an export default function/class node is always named "default" + var name = isDefaultExport && parent ? "default" : getDeclarationName(node); + var symbol; + if (name !== undefined) { + // Check and see if the symbol table already has a symbol with this name. If not, + // create a new symbol with this name and add it to the table. Note that we don't + // give the new symbol any flags *yet*. This ensures that it will not conflict + // with the 'excludes' flags we pass in. + // + // If we do get an existing symbol, see if it conflicts with the new symbol we're + // creating. For example, a 'var' symbol and a 'class' symbol will conflict within + // the same symbol table. If we have a conflict, report the issue on each + // declaration we have for this symbol, and then create a new symbol for this + // declaration. + // + // If we created a new symbol, either because we didn't have a symbol with this name + // in the symbol table, or we conflicted with an existing symbol, then just add this + // node as the sole declaration of the new symbol. + // + // Otherwise, we'll be merging into a compatible existing symbol (for example when + // you have multiple 'vars' with the same name in the same container). In this case + // just add this node into the declarations list of the symbol. + symbol = ts.hasProperty(symbolTable, name) + ? symbolTable[name] + : (symbolTable[name] = createSymbol(0 /* None */, name)); + if (name && (includes & 788448 /* Classifiable */)) { + classifiableNames[name] = name; + } + if (symbol.flags & excludes) { + if (node.name) { + node.name.parent = node; + } + // Report errors every position with duplicate declaration + // Report errors on previous encountered declarations + var message_1 = symbol.flags & 2 /* BlockScopedVariable */ + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 + : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.flags & 512 /* Default */) { + message_1 = ts.Diagnostics.A_module_cannot_have_multiple_default_exports; + } + }); + ts.forEach(symbol.declarations, function (declaration) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(declaration.name || declaration, message_1, getDisplayName(declaration))); + }); + file.bindDiagnostics.push(ts.createDiagnosticForNode(node.name || node, message_1, getDisplayName(node))); + symbol = createSymbol(0 /* None */, name); + } + } + else { + symbol = createSymbol(0 /* None */, "__missing"); + } + addDeclarationToSymbol(symbol, node, includes); + symbol.parent = parent; + return symbol; + } + function declareModuleMember(node, symbolFlags, symbolExcludes) { + var hasExportModifier = ts.getCombinedNodeFlags(node) & 2 /* Export */; + if (symbolFlags & 8388608 /* Alias */) { + if (node.kind === 233 /* ExportSpecifier */ || (node.kind === 224 /* ImportEqualsDeclaration */ && hasExportModifier)) { + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + else { + // Exported module members are given 2 symbols: A local symbol that is classified with an ExportValue, + // ExportType, or ExportContainer flag, and an associated export symbol with all the correct flags set + // on it. There are 2 main reasons: + // + // 1. We treat locals and exports of the same name as mutually exclusive within a container. + // That means the binder will issue a Duplicate Identifier error if you mix locals and exports + // with the same name in the same container. + // TODO: Make this a more specific error and decouple it from the exclusion logic. + // 2. When we checkIdentifier in the checker, we set its resolved symbol to the local symbol, + // but return the export symbol (by calling getExportSymbolOfValueSymbolIfExported). That way + // when the emitter comes back to it, it knows not to qualify the name if it was found in a containing scope. + // NOTE: Nested ambient modules always should go to to 'locals' table to prevent their automatic merge + // during global merging in the checker. Why? The only case when ambient module is permitted inside another module is module augmentation + // and this case is specially handled. Module augmentations should only be merged with original module definition + // and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed. + if (!ts.isAmbientModule(node) && (hasExportModifier || container.flags & 131072 /* ExportContext */)) { + var exportKind = (symbolFlags & 107455 /* Value */ ? 1048576 /* ExportValue */ : 0) | + (symbolFlags & 793056 /* Type */ ? 2097152 /* ExportType */ : 0) | + (symbolFlags & 1536 /* Namespace */ ? 4194304 /* ExportNamespace */ : 0); + var local = declareSymbol(container.locals, undefined, node, exportKind, symbolExcludes); + local.exportSymbol = declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + node.localSymbol = local; + return local; + } + else { + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + } + // All container nodes are kept on a linked list in declaration order. This list is used by + // the getLocalNameOfContainer function in the type checker to validate that the local name + // used for a container is unique. + function bindChildren(node) { + // Before we recurse into a node's chilren, we first save the existing parent, container + // and block-container. Then after we pop out of processing the children, we restore + // these saved values. + var saveParent = parent; + var saveContainer = container; + var savedBlockScopeContainer = blockScopeContainer; + // This node will now be set as the parent of all of its children as we recurse into them. + parent = node; + // Depending on what kind of node this is, we may have to adjust the current container + // and block-container. If the current node is a container, then it is automatically + // considered the current block-container as well. Also, for containers that we know + // may contain locals, we proactively initialize the .locals field. We do this because + // it's highly likely that the .locals will be needed to place some child in (for example, + // a parameter, or variable declaration). + // + // However, we do not proactively create the .locals for block-containers because it's + // totally normal and common for block-containers to never actually have a block-scoped + // variable in them. We don't want to end up allocating an object for every 'block' we + // run into when most of them won't be necessary. + // + // Finally, if this is a block-container, then we clear out any existing .locals object + // it may contain within it. This happens in incremental scenarios. Because we can be + // reusing a node from a previous compilation, that node may have had 'locals' created + // for it. We must clear this so we don't accidently move any stale data forward from + // a previous compilation. + var containerFlags = getContainerFlags(node); + if (containerFlags & 1 /* IsContainer */) { + container = blockScopeContainer = node; + if (containerFlags & 4 /* HasLocals */) { + container.locals = {}; + } + addToContainerChain(container); + } + else if (containerFlags & 2 /* IsBlockScopedContainer */) { + blockScopeContainer = node; + blockScopeContainer.locals = undefined; + } + var savedReachabilityState; + var savedLabelStack; + var savedLabels; + var savedImplicitLabels; + var savedHasExplicitReturn; + var kind = node.kind; + var flags = node.flags; + // reset all reachability check related flags on node (for incremental scenarios) + flags &= ~1572864 /* ReachabilityCheckFlags */; + // reset all emit helper flags on node (for incremental scenarios) + flags &= ~62914560 /* EmitHelperFlags */; + if (kind === 218 /* InterfaceDeclaration */) { + seenThisKeyword = false; + } + var saveState = kind === 251 /* SourceFile */ || kind === 222 /* ModuleBlock */ || ts.isFunctionLikeKind(kind); + if (saveState) { + savedReachabilityState = currentReachabilityState; + savedLabelStack = labelStack; + savedLabels = labelIndexMap; + savedImplicitLabels = implicitLabels; + savedHasExplicitReturn = hasExplicitReturn; + currentReachabilityState = 2 /* Reachable */; + hasExplicitReturn = false; + labelStack = labelIndexMap = implicitLabels = undefined; + } + if (ts.isInJavaScriptFile(node) && node.jsDocComment) { + bind(node.jsDocComment); + } + bindReachableStatement(node); + if (currentReachabilityState === 2 /* Reachable */ && ts.isFunctionLikeKind(kind) && ts.nodeIsPresent(node.body)) { + flags |= 524288 /* HasImplicitReturn */; + if (hasExplicitReturn) { + flags |= 1048576 /* HasExplicitReturn */; + } + } + if (kind === 218 /* InterfaceDeclaration */) { + flags = seenThisKeyword ? flags | 262144 /* ContainsThis */ : flags & ~262144 /* ContainsThis */; + } + if (kind === 251 /* SourceFile */) { + if (hasClassExtends) { + flags |= 4194304 /* HasClassExtends */; + } + if (hasDecorators) { + flags |= 8388608 /* HasDecorators */; + } + if (hasParameterDecorators) { + flags |= 16777216 /* HasParamDecorators */; + } + if (hasAsyncFunctions) { + flags |= 33554432 /* HasAsyncFunctions */; + } + } + node.flags = flags; + if (saveState) { + hasExplicitReturn = savedHasExplicitReturn; + currentReachabilityState = savedReachabilityState; + labelStack = savedLabelStack; + labelIndexMap = savedLabels; + implicitLabels = savedImplicitLabels; + } + container = saveContainer; + parent = saveParent; + blockScopeContainer = savedBlockScopeContainer; + } + /** + * Returns true if node and its subnodes were successfully traversed. + * Returning false means that node was not examined and caller needs to dive into the node himself. + */ + function bindReachableStatement(node) { + if (checkUnreachable(node)) { + ts.forEachChild(node, bind); + return; + } + switch (node.kind) { + case 201 /* WhileStatement */: + bindWhileStatement(node); + break; + case 200 /* DoStatement */: + bindDoStatement(node); + break; + case 202 /* ForStatement */: + bindForStatement(node); + break; + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + bindForInOrForOfStatement(node); + break; + case 199 /* IfStatement */: + bindIfStatement(node); + break; + case 207 /* ReturnStatement */: + case 211 /* ThrowStatement */: + bindReturnOrThrow(node); + break; + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + bindBreakOrContinueStatement(node); + break; + case 212 /* TryStatement */: + bindTryStatement(node); + break; + case 209 /* SwitchStatement */: + bindSwitchStatement(node); + break; + case 223 /* CaseBlock */: + bindCaseBlock(node); + break; + case 210 /* LabeledStatement */: + bindLabeledStatement(node); + break; + default: + ts.forEachChild(node, bind); + break; + } + } + function bindWhileStatement(n) { + var preWhileState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + var postWhileState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + // bind expressions (don't affect reachability) + bind(n.expression); + currentReachabilityState = preWhileState; + var postWhileLabel = pushImplicitLabel(); + bind(n.statement); + popImplicitLabel(postWhileLabel, postWhileState); + } + function bindDoStatement(n) { + var preDoState = currentReachabilityState; + var postDoLabel = pushImplicitLabel(); + bind(n.statement); + var postDoState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : preDoState; + popImplicitLabel(postDoLabel, postDoState); + // bind expressions (don't affect reachability) + bind(n.expression); + } + function bindForStatement(n) { + var preForState = currentReachabilityState; + var postForLabel = pushImplicitLabel(); + // bind expressions (don't affect reachability) + bind(n.initializer); + bind(n.condition); + bind(n.incrementor); + bind(n.statement); + // for statement is considered infinite when it condition is either omitted or is true keyword + // - for(..;;..) + // - for(..;true;..) + var isInfiniteLoop = (!n.condition || n.condition.kind === 99 /* TrueKeyword */); + var postForState = isInfiniteLoop ? 4 /* Unreachable */ : preForState; + popImplicitLabel(postForLabel, postForState); + } + function bindForInOrForOfStatement(n) { + var preStatementState = currentReachabilityState; + var postStatementLabel = pushImplicitLabel(); + // bind expressions (don't affect reachability) + bind(n.initializer); + bind(n.expression); + bind(n.statement); + popImplicitLabel(postStatementLabel, preStatementState); + } + function bindIfStatement(n) { + // denotes reachability state when entering 'thenStatement' part of the if statement: + // i.e. if condition is false then thenStatement is unreachable + var ifTrueState = n.expression.kind === 84 /* FalseKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + // denotes reachability state when entering 'elseStatement': + // i.e. if condition is true then elseStatement is unreachable + var ifFalseState = n.expression.kind === 99 /* TrueKeyword */ ? 4 /* Unreachable */ : currentReachabilityState; + currentReachabilityState = ifTrueState; + // bind expression (don't affect reachability) + bind(n.expression); + bind(n.thenStatement); + if (n.elseStatement) { + var preElseState = currentReachabilityState; + currentReachabilityState = ifFalseState; + bind(n.elseStatement); + currentReachabilityState = or(currentReachabilityState, preElseState); + } + else { + currentReachabilityState = or(currentReachabilityState, ifFalseState); + } + } + function bindReturnOrThrow(n) { + // bind expression (don't affect reachability) + bind(n.expression); + if (n.kind === 207 /* ReturnStatement */) { + hasExplicitReturn = true; + } + currentReachabilityState = 4 /* Unreachable */; + } + function bindBreakOrContinueStatement(n) { + // call bind on label (don't affect reachability) + bind(n.label); + // for continue case touch label so it will be marked a used + var isValidJump = jumpToLabel(n.label, n.kind === 206 /* BreakStatement */ ? currentReachabilityState : 4 /* Unreachable */); + if (isValidJump) { + currentReachabilityState = 4 /* Unreachable */; + } + } + function bindTryStatement(n) { + // catch\finally blocks has the same reachability as try block + var preTryState = currentReachabilityState; + bind(n.tryBlock); + var postTryState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.catchClause); + var postCatchState = currentReachabilityState; + currentReachabilityState = preTryState; + bind(n.finallyBlock); + // post catch/finally state is reachable if + // - post try state is reachable - control flow can fall out of try block + // - post catch state is reachable - control flow can fall out of catch block + currentReachabilityState = or(postTryState, postCatchState); + } + function bindSwitchStatement(n) { + var preSwitchState = currentReachabilityState; + var postSwitchLabel = pushImplicitLabel(); + // bind expression (don't affect reachability) + bind(n.expression); + bind(n.caseBlock); + var hasDefault = ts.forEach(n.caseBlock.clauses, function (c) { return c.kind === 245 /* DefaultClause */; }); + // post switch state is unreachable if switch is exaustive (has a default case ) and does not have fallthrough from the last case + var postSwitchState = hasDefault && currentReachabilityState !== 2 /* Reachable */ ? 4 /* Unreachable */ : preSwitchState; + popImplicitLabel(postSwitchLabel, postSwitchState); + } + function bindCaseBlock(n) { + var startState = currentReachabilityState; + for (var _i = 0, _a = n.clauses; _i < _a.length; _i++) { + var clause = _a[_i]; + currentReachabilityState = startState; + bind(clause); + if (clause.statements.length && currentReachabilityState === 2 /* Reachable */ && options.noFallthroughCasesInSwitch) { + errorOnFirstToken(clause, ts.Diagnostics.Fallthrough_case_in_switch); + } + } + } + function bindLabeledStatement(n) { + // call bind on label (don't affect reachability) + bind(n.label); + var ok = pushNamedLabel(n.label); + bind(n.statement); + if (ok) { + popNamedLabel(n.label, currentReachabilityState); + } + } + function getContainerFlags(node) { + switch (node.kind) { + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 156 /* TypeLiteral */: + case 260 /* JSDocRecordType */: + return 1 /* IsContainer */; + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 216 /* FunctionDeclaration */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 221 /* ModuleDeclaration */: + case 251 /* SourceFile */: + case 219 /* TypeAliasDeclaration */: + return 5 /* IsContainerWithLocals */; + case 247 /* CatchClause */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 223 /* CaseBlock */: + return 2 /* IsBlockScopedContainer */; + case 195 /* Block */: + // do not treat blocks directly inside a function as a block-scoped-container. + // Locals that reside in this block should go to the function locals. Othewise 'x' + // would not appear to be a redeclaration of a block scoped local in the following + // example: + // + // function foo() { + // var x; + // let x; + // } + // + // If we placed 'var x' into the function locals and 'let x' into the locals of + // the block, then there would be no collision. + // + // By not creating a new block-scoped-container here, we ensure that both 'var x' + // and 'let x' go into the Function-container's locals, and we do get a collision + // conflict. + return ts.isFunctionLike(node.parent) ? 0 /* None */ : 2 /* IsBlockScopedContainer */; + } + return 0 /* None */; + } + function addToContainerChain(next) { + if (lastContainer) { + lastContainer.nextContainer = next; + } + lastContainer = next; + } + function declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes) { + // Just call this directly so that the return type of this function stays "void". + declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes); + } + function declareSymbolAndAddToSymbolTableWorker(node, symbolFlags, symbolExcludes) { + switch (container.kind) { + // Modules, source files, and classes need specialized handling for how their + // members are declared (for example, a member of a class will go into a specific + // symbol table depending on if it is static or not). We defer to specialized + // handlers to take care of declaring these child members. + case 221 /* ModuleDeclaration */: + return declareModuleMember(node, symbolFlags, symbolExcludes); + case 251 /* SourceFile */: + return declareSourceFileMember(node, symbolFlags, symbolExcludes); + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + return declareClassMember(node, symbolFlags, symbolExcludes); + case 220 /* EnumDeclaration */: + return declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes); + case 156 /* TypeLiteral */: + case 168 /* ObjectLiteralExpression */: + case 218 /* InterfaceDeclaration */: + case 260 /* JSDocRecordType */: + // Interface/Object-types always have their children added to the 'members' of + // their container. They are only accessible through an instance of their + // container, and are never in scope otherwise (even inside the body of the + // object / type / interface declaring them). An exception is type parameters, + // which are in scope without qualification (similar to 'locals'). + return declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 264 /* JSDocFunctionType */: + case 219 /* TypeAliasDeclaration */: + // All the children of these container types are never visible through another + // symbol (i.e. through another symbol's 'exports' or 'members'). Instead, + // they're only accessed 'lexically' (i.e. from code that exists underneath + // their container in the tree. To accomplish this, we simply add their declared + // symbol to the 'locals' of the container. These symbols can then be found as + // the type checker walks up the containers, checking them for matching names. + return declareSymbol(container.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function declareClassMember(node, symbolFlags, symbolExcludes) { + return node.flags & 64 /* Static */ + ? declareSymbol(container.symbol.exports, container.symbol, node, symbolFlags, symbolExcludes) + : declareSymbol(container.symbol.members, container.symbol, node, symbolFlags, symbolExcludes); + } + function declareSourceFileMember(node, symbolFlags, symbolExcludes) { + return ts.isExternalModule(file) + ? declareModuleMember(node, symbolFlags, symbolExcludes) + : declareSymbol(file.locals, undefined, node, symbolFlags, symbolExcludes); + } + function hasExportDeclarations(node) { + var body = node.kind === 251 /* SourceFile */ ? node : node.body; + if (body.kind === 251 /* SourceFile */ || body.kind === 222 /* ModuleBlock */) { + for (var _i = 0, _a = body.statements; _i < _a.length; _i++) { + var stat = _a[_i]; + if (stat.kind === 231 /* ExportDeclaration */ || stat.kind === 230 /* ExportAssignment */) { + return true; + } + } + } + return false; + } + function setExportContextFlag(node) { + // A declaration source file or ambient module declaration that contains no export declarations (but possibly regular + // declarations with export modifiers) is an export context in which declarations are implicitly exported. + if (ts.isInAmbientContext(node) && !hasExportDeclarations(node)) { + node.flags |= 131072 /* ExportContext */; + } + else { + node.flags &= ~131072 /* ExportContext */; + } + } + function bindModuleDeclaration(node) { + setExportContextFlag(node); + if (ts.isAmbientModule(node)) { + if (node.flags & 2 /* Export */) { + errorOnFirstToken(node, ts.Diagnostics.export_modifier_cannot_be_applied_to_ambient_modules_and_module_augmentations_since_they_are_always_visible); + } + declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); + } + else { + var state = getModuleInstanceState(node); + if (state === 0 /* NonInstantiated */) { + declareSymbolAndAddToSymbolTable(node, 1024 /* NamespaceModule */, 0 /* NamespaceModuleExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 512 /* ValueModule */, 106639 /* ValueModuleExcludes */); + if (node.symbol.flags & (16 /* Function */ | 32 /* Class */ | 256 /* RegularEnum */)) { + // if module was already merged with some function, class or non-const enum + // treat is a non-const-enum-only + node.symbol.constEnumOnlyModule = false; + } + else { + var currentModuleIsConstEnumOnly = state === 2 /* ConstEnumOnly */; + if (node.symbol.constEnumOnlyModule === undefined) { + // non-merged case - use the current state + node.symbol.constEnumOnlyModule = currentModuleIsConstEnumOnly; + } + else { + // merged case: module is const enum only if all its pieces are non-instantiated or const enum + node.symbol.constEnumOnlyModule = node.symbol.constEnumOnlyModule && currentModuleIsConstEnumOnly; + } + } + } + } + } + function bindFunctionOrConstructorType(node) { + // For a given function symbol "<...>(...) => T" we want to generate a symbol identical + // to the one we would get for: { <...>(...): T } + // + // We do that by making an anonymous type literal symbol, and then setting the function + // symbol as its sole member. To the rest of the system, this symbol will be indistinguishable + // from an actual type literal symbol you would have gotten had you used the long form. + var symbol = createSymbol(131072 /* Signature */, getDeclarationName(node)); + addDeclarationToSymbol(symbol, node, 131072 /* Signature */); + var typeLiteralSymbol = createSymbol(2048 /* TypeLiteral */, "__type"); + addDeclarationToSymbol(typeLiteralSymbol, node, 2048 /* TypeLiteral */); + typeLiteralSymbol.members = (_a = {}, _a[symbol.name] = symbol, _a); + var _a; + } + function bindObjectLiteralExpression(node) { + var ElementKind; + (function (ElementKind) { + ElementKind[ElementKind["Property"] = 1] = "Property"; + ElementKind[ElementKind["Accessor"] = 2] = "Accessor"; + })(ElementKind || (ElementKind = {})); + if (inStrictMode) { + var seen = {}; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + if (prop.name.kind !== 69 /* Identifier */) { + continue; + } + var identifier = prop.name; + // ECMA-262 11.1.5 Object Initialiser + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */ || prop.kind === 144 /* MethodDeclaration */ + ? 1 /* Property */ + : 2 /* Accessor */; + var existingKind = seen[identifier.text]; + if (!existingKind) { + seen[identifier.text] = currentKind; + continue; + } + if (currentKind === 1 /* Property */ && existingKind === 1 /* Property */) { + var span = ts.getErrorSpanForNode(file, identifier); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.An_object_literal_cannot_have_multiple_properties_with_the_same_name_in_strict_mode)); + } + } + } + return bindAnonymousDeclaration(node, 4096 /* ObjectLiteral */, "__object"); + } + function bindAnonymousDeclaration(node, symbolFlags, name) { + var symbol = createSymbol(symbolFlags, name); + addDeclarationToSymbol(symbol, node, symbolFlags); + } + function bindBlockScopedDeclaration(node, symbolFlags, symbolExcludes) { + switch (blockScopeContainer.kind) { + case 221 /* ModuleDeclaration */: + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + case 251 /* SourceFile */: + if (ts.isExternalModule(container)) { + declareModuleMember(node, symbolFlags, symbolExcludes); + break; + } + // fall through. + default: + if (!blockScopeContainer.locals) { + blockScopeContainer.locals = {}; + addToContainerChain(blockScopeContainer); + } + declareSymbol(blockScopeContainer.locals, undefined, node, symbolFlags, symbolExcludes); + } + } + function bindBlockScopedVariableDeclaration(node) { + bindBlockScopedDeclaration(node, 2 /* BlockScopedVariable */, 107455 /* BlockScopedVariableExcludes */); + } + // The binder visits every node in the syntax tree so it is a convenient place to perform a single localized + // check for reserved words used as identifiers in strict mode code. + function checkStrictModeIdentifier(node) { + if (inStrictMode && + node.originalKeywordKind >= 106 /* FirstFutureReservedWord */ && + node.originalKeywordKind <= 114 /* LastFutureReservedWord */ && + !ts.isIdentifierName(node)) { + // Report error only if there are no parse errors in file + if (!file.parseDiagnostics.length) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, getStrictModeIdentifierMessage(node), ts.declarationNameToString(node))); + } + } + } + function getStrictModeIdentifierMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode; + } + function checkStrictModeBinaryExpression(node) { + if (inStrictMode && ts.isLeftHandSideExpression(node.left) && ts.isAssignmentOperator(node.operatorToken.kind)) { + // ECMA 262 (Annex C) The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) + checkStrictModeEvalOrArguments(node, node.left); + } + } + function checkStrictModeCatchClause(node) { + // It is a SyntaxError if a TryStatement with a Catch occurs within strict code and the Identifier of the + // Catch production is eval or arguments + if (inStrictMode && node.variableDeclaration) { + checkStrictModeEvalOrArguments(node, node.variableDeclaration.name); + } + } + function checkStrictModeDeleteExpression(node) { + // Grammar checking + if (inStrictMode && node.expression.kind === 69 /* Identifier */) { + // When a delete operator occurs within strict mode code, a SyntaxError is thrown if its + // UnaryExpression is a direct reference to a variable, function argument, or function name + var span = ts.getErrorSpanForNode(file, node.expression); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, ts.Diagnostics.delete_cannot_be_called_on_an_identifier_in_strict_mode)); + } + } + function isEvalOrArgumentsIdentifier(node) { + return node.kind === 69 /* Identifier */ && + (node.text === "eval" || node.text === "arguments"); + } + function checkStrictModeEvalOrArguments(contextNode, name) { + if (name && name.kind === 69 /* Identifier */) { + var identifier = name; + if (isEvalOrArgumentsIdentifier(identifier)) { + // We check first if the name is inside class declaration or class expression; if so give explicit message + // otherwise report generic error message. + var span = ts.getErrorSpanForNode(file, name); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, getStrictModeEvalOrArgumentsMessage(contextNode), identifier.text)); + } + } + } + function getStrictModeEvalOrArgumentsMessage(node) { + // Provide specialized messages to help the user understand why we think they're in + // strict mode. + if (ts.getContainingClass(node)) { + return ts.Diagnostics.Invalid_use_of_0_Class_definitions_are_automatically_in_strict_mode; + } + if (file.externalModuleIndicator) { + return ts.Diagnostics.Invalid_use_of_0_Modules_are_automatically_in_strict_mode; + } + return ts.Diagnostics.Invalid_use_of_0_in_strict_mode; + } + function checkStrictModeFunctionName(node) { + if (inStrictMode) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a strict mode FunctionDeclaration or FunctionExpression (13.1)) + checkStrictModeEvalOrArguments(node, node.name); + } + } + function checkStrictModeNumericLiteral(node) { + if (inStrictMode && node.flags & 32768 /* OctalLiteral */) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Octal_literals_are_not_allowed_in_strict_mode)); + } + } + function checkStrictModePostfixUnaryExpression(node) { + // Grammar checking + // The identifier eval or arguments may not appear as the LeftHandSideExpression of an + // Assignment operator(11.13) or of a PostfixExpression(11.3) or as the UnaryExpression + // operated upon by a Prefix Increment(11.4.4) or a Prefix Decrement(11.4.5) operator. + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + function checkStrictModePrefixUnaryExpression(node) { + // Grammar checking + if (inStrictMode) { + if (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) { + checkStrictModeEvalOrArguments(node, node.operand); + } + } + } + function checkStrictModeWithStatement(node) { + // Grammar checking for withStatement + if (inStrictMode) { + errorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_strict_mode); + } + } + function errorOnFirstToken(node, message, arg0, arg1, arg2) { + var span = ts.getSpanOfTokenAtPosition(file, node.pos); + file.bindDiagnostics.push(ts.createFileDiagnostic(file, span.start, span.length, message, arg0, arg1, arg2)); + } + function getDestructuringParameterName(node) { + return "__" + ts.indexOf(node.parent.parameters, node); + } + function bind(node) { + if (!node) { + return; + } + node.parent = parent; + var savedInStrictMode = inStrictMode; + if (!savedInStrictMode) { + updateStrictMode(node); + } + // First we bind declaration nodes to a symbol if possible. We'll both create a symbol + // and then potentially add the symbol to an appropriate symbol table. Possible + // destination symbol tables are: + // + // 1) The 'exports' table of the current container's symbol. + // 2) The 'members' table of the current container's symbol. + // 3) The 'locals' table of the current container. + // + // However, not all symbols will end up in any of these tables. 'Anonymous' symbols + // (like TypeLiterals for example) will not be put in any table. + bindWorker(node); + // Then we recurse into the children of the node to bind them as well. For certain + // symbols we do specialized work when we recurse. For example, we'll keep track of + // the current 'container' node when it changes. This helps us know which symbol table + // a local should go into for example. + bindChildren(node); + inStrictMode = savedInStrictMode; + } + function updateStrictMode(node) { + switch (node.kind) { + case 251 /* SourceFile */: + case 222 /* ModuleBlock */: + updateStrictModeStatementList(node.statements); + return; + case 195 /* Block */: + if (ts.isFunctionLike(node.parent)) { + updateStrictModeStatementList(node.statements); + } + return; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // All classes are automatically in strict mode in ES6. + inStrictMode = true; + return; + } + } + function updateStrictModeStatementList(statements) { + for (var _i = 0, statements_1 = statements; _i < statements_1.length; _i++) { + var statement = statements_1[_i]; + if (!ts.isPrologueDirective(statement)) { + return; + } + if (isUseStrictPrologueDirective(statement)) { + inStrictMode = true; + return; + } + } + } + /// Should be called only on prologue directives (isPrologueDirective(node) should be true) + function isUseStrictPrologueDirective(node) { + var nodeText = ts.getTextOfNodeFromSourceText(file.text, node.expression); + // Note: the node text must be exactly "use strict" or 'use strict'. It is not ok for the + // string to contain unicode escapes (as per ES5). + return nodeText === "\"use strict\"" || nodeText === "'use strict'"; + } + function bindWorker(node) { + switch (node.kind) { + /* Strict mode checks */ + case 69 /* Identifier */: + return checkStrictModeIdentifier(node); + case 184 /* BinaryExpression */: + if (ts.isInJavaScriptFile(node)) { + var specialKind = ts.getSpecialPropertyAssignmentKind(node); + switch (specialKind) { + case 1 /* ExportsProperty */: + bindExportsPropertyAssignment(node); + break; + case 2 /* ModuleExports */: + bindModuleExportsAssignment(node); + break; + case 3 /* PrototypeProperty */: + bindPrototypePropertyAssignment(node); + break; + case 4 /* ThisProperty */: + bindThisPropertyAssignment(node); + break; + case 0 /* None */: + // Nothing to do + break; + default: + ts.Debug.fail("Unknown special property assignment kind"); + } + } + return checkStrictModeBinaryExpression(node); + case 247 /* CatchClause */: + return checkStrictModeCatchClause(node); + case 178 /* DeleteExpression */: + return checkStrictModeDeleteExpression(node); + case 8 /* NumericLiteral */: + return checkStrictModeNumericLiteral(node); + case 183 /* PostfixUnaryExpression */: + return checkStrictModePostfixUnaryExpression(node); + case 182 /* PrefixUnaryExpression */: + return checkStrictModePrefixUnaryExpression(node); + case 208 /* WithStatement */: + return checkStrictModeWithStatement(node); + case 162 /* ThisType */: + seenThisKeyword = true; + return; + case 151 /* TypePredicate */: + return checkTypePredicate(node); + case 138 /* TypeParameter */: + return declareSymbolAndAddToSymbolTable(node, 262144 /* TypeParameter */, 530912 /* TypeParameterExcludes */); + case 139 /* Parameter */: + return bindParameter(node); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return bindVariableDeclarationOrBindingElement(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 261 /* JSDocRecordMember */: + return bindPropertyOrMethodOrAccessor(node, 4 /* Property */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), 107455 /* PropertyExcludes */); + case 248 /* PropertyAssignment */: + case 249 /* ShorthandPropertyAssignment */: + return bindPropertyOrMethodOrAccessor(node, 4 /* Property */, 107455 /* PropertyExcludes */); + case 250 /* EnumMember */: + return bindPropertyOrMethodOrAccessor(node, 8 /* EnumMember */, 107455 /* EnumMemberExcludes */); + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return declareSymbolAndAddToSymbolTable(node, 131072 /* Signature */, 0 /* None */); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + // If this is an ObjectLiteralExpression method, then it sits in the same space + // as other properties in the object literal. So we use SymbolFlags.PropertyExcludes + // so that it will conflict with any other object literal members with the same + // name. + return bindPropertyOrMethodOrAccessor(node, 8192 /* Method */ | (node.questionToken ? 536870912 /* Optional */ : 0 /* None */), ts.isObjectLiteralMethod(node) ? 107455 /* PropertyExcludes */ : 99263 /* MethodExcludes */); + case 216 /* FunctionDeclaration */: + return bindFunctionDeclaration(node); + case 145 /* Constructor */: + return declareSymbolAndAddToSymbolTable(node, 16384 /* Constructor */, /*symbolExcludes:*/ 0 /* None */); + case 146 /* GetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 32768 /* GetAccessor */, 41919 /* GetAccessorExcludes */); + case 147 /* SetAccessor */: + return bindPropertyOrMethodOrAccessor(node, 65536 /* SetAccessor */, 74687 /* SetAccessorExcludes */); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 264 /* JSDocFunctionType */: + return bindFunctionOrConstructorType(node); + case 156 /* TypeLiteral */: + case 260 /* JSDocRecordType */: + return bindAnonymousDeclaration(node, 2048 /* TypeLiteral */, "__type"); + case 168 /* ObjectLiteralExpression */: + return bindObjectLiteralExpression(node); + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return bindFunctionExpression(node); + case 171 /* CallExpression */: + if (ts.isInJavaScriptFile(node)) { + bindCallExpression(node); + } + break; + // Members of classes, interfaces, and modules + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + return bindClassLikeDeclaration(node); + case 218 /* InterfaceDeclaration */: + return bindBlockScopedDeclaration(node, 64 /* Interface */, 792960 /* InterfaceExcludes */); + case 219 /* TypeAliasDeclaration */: + return bindBlockScopedDeclaration(node, 524288 /* TypeAlias */, 793056 /* TypeAliasExcludes */); + case 220 /* EnumDeclaration */: + return bindEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return bindModuleDeclaration(node); + // Imports and exports + case 224 /* ImportEqualsDeclaration */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); + case 226 /* ImportClause */: + return bindImportClause(node); + case 231 /* ExportDeclaration */: + return bindExportDeclaration(node); + case 230 /* ExportAssignment */: + return bindExportAssignment(node); + case 251 /* SourceFile */: + return bindSourceFileIfExternalModule(); + } + } + function checkTypePredicate(node) { + var parameterName = node.parameterName, type = node.type; + if (parameterName && parameterName.kind === 69 /* Identifier */) { + checkStrictModeIdentifier(parameterName); + } + if (parameterName && parameterName.kind === 162 /* ThisType */) { + seenThisKeyword = true; + } + bind(type); + } + function bindSourceFileIfExternalModule() { + setExportContextFlag(file); + if (ts.isExternalModule(file)) { + bindSourceFileAsExternalModule(); + } + } + function bindSourceFileAsExternalModule() { + bindAnonymousDeclaration(file, 512 /* ValueModule */, "\"" + ts.removeFileExtension(file.fileName) + "\""); + } + function bindExportAssignment(node) { + var boundExpression = node.kind === 230 /* ExportAssignment */ ? node.expression : node.right; + if (!container.symbol || !container.symbol.exports) { + // Export assignment in some sort of block construct + bindAnonymousDeclaration(node, 8388608 /* Alias */, getDeclarationName(node)); + } + else if (boundExpression.kind === 69 /* Identifier */ && node.kind === 230 /* ExportAssignment */) { + // An export default clause with an identifier exports all meanings of that identifier + declareSymbol(container.symbol.exports, container.symbol, node, 8388608 /* Alias */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); + } + else { + // An export default clause with an expression exports a value + declareSymbol(container.symbol.exports, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ | 8388608 /* AliasExcludes */); + } + } + function bindExportDeclaration(node) { + if (!container.symbol || !container.symbol.exports) { + // Export * in some sort of block construct + bindAnonymousDeclaration(node, 1073741824 /* ExportStar */, getDeclarationName(node)); + } + else if (!node.exportClause) { + // All export * declarations are collected in an __export symbol + declareSymbol(container.symbol.exports, container.symbol, node, 1073741824 /* ExportStar */, 0 /* None */); + } + } + function bindImportClause(node) { + if (node.name) { + declareSymbolAndAddToSymbolTable(node, 8388608 /* Alias */, 8388608 /* AliasExcludes */); + } + } + function setCommonJsModuleIndicator(node) { + if (!file.commonJsModuleIndicator) { + file.commonJsModuleIndicator = node; + bindSourceFileAsExternalModule(); + } + } + function bindExportsPropertyAssignment(node) { + // When we create a property via 'exports.foo = bar', the 'exports.foo' property access + // expression is the declaration + setCommonJsModuleIndicator(node); + declareSymbol(file.symbol.exports, file.symbol, node.left, 4 /* Property */ | 7340032 /* Export */, 0 /* None */); + } + function bindModuleExportsAssignment(node) { + // 'module.exports = expr' assignment + setCommonJsModuleIndicator(node); + bindExportAssignment(node); + } + function bindThisPropertyAssignment(node) { + // Declare a 'member' in case it turns out the container was an ES5 class + if (container.kind === 176 /* FunctionExpression */ || container.kind === 216 /* FunctionDeclaration */) { + container.symbol.members = container.symbol.members || {}; + // It's acceptable for multiple 'this' assignments of the same identifier to occur + declareSymbol(container.symbol.members, container.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */ & ~4 /* Property */); + } + } + function bindPrototypePropertyAssignment(node) { + // We saw a node of the form 'x.prototype.y = z'. Declare a 'member' y on x if x was a function. + // Look up the function in the local scope, since prototype assignments should + // follow the function declaration + var leftSideOfAssignment = node.left; + var classPrototype = leftSideOfAssignment.expression; + var constructorFunction = classPrototype.expression; + // Fix up parent pointers since we're going to use these nodes before we bind into them + leftSideOfAssignment.parent = node; + constructorFunction.parent = classPrototype; + classPrototype.parent = leftSideOfAssignment; + var funcSymbol = container.locals[constructorFunction.text]; + if (!funcSymbol || !(funcSymbol.flags & 16 /* Function */)) { + return; + } + // Set up the members collection if it doesn't exist already + if (!funcSymbol.members) { + funcSymbol.members = {}; + } + // Declare the method/property + declareSymbol(funcSymbol.members, funcSymbol, leftSideOfAssignment, 4 /* Property */, 107455 /* PropertyExcludes */); + } + function bindCallExpression(node) { + // We're only inspecting call expressions to detect CommonJS modules, so we can skip + // this check if we've already seen the module indicator + if (!file.commonJsModuleIndicator && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ false)) { + setCommonJsModuleIndicator(node); + } + } + function bindClassLikeDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.getClassExtendsHeritageClauseElement(node) !== undefined) { + hasClassExtends = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + if (node.kind === 217 /* ClassDeclaration */) { + bindBlockScopedDeclaration(node, 32 /* Class */, 899519 /* ClassExcludes */); + } + else { + var bindingName = node.name ? node.name.text : "__class"; + bindAnonymousDeclaration(node, 32 /* Class */, bindingName); + // Add name of class expression into the map for semantic classifier + if (node.name) { + classifiableNames[node.name.text] = node.name.text; + } + } + var symbol = node.symbol; + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', the + // type of which is an instantiation of the class type with type Any supplied as a type + // argument for each type parameter. It is an error to explicitly declare a static + // property member with the name 'prototype'. + // + // Note: we check for this here because this class may be merging into a module. The + // module might have an exported variable called 'prototype'. We can't allow that as + // that would clash with the built-in 'prototype' for the class. + var prototypeSymbol = createSymbol(4 /* Property */ | 134217728 /* Prototype */, "prototype"); + if (ts.hasProperty(symbol.exports, prototypeSymbol.name)) { + if (node.name) { + node.name.parent = node; + } + file.bindDiagnostics.push(ts.createDiagnosticForNode(symbol.exports[prototypeSymbol.name].declarations[0], ts.Diagnostics.Duplicate_identifier_0, prototypeSymbol.name)); + } + symbol.exports[prototypeSymbol.name] = prototypeSymbol; + prototypeSymbol.parent = symbol; + } + function bindEnumDeclaration(node) { + return ts.isConst(node) + ? bindBlockScopedDeclaration(node, 128 /* ConstEnum */, 899967 /* ConstEnumExcludes */) + : bindBlockScopedDeclaration(node, 256 /* RegularEnum */, 899327 /* RegularEnumExcludes */); + } + function bindVariableDeclarationOrBindingElement(node) { + if (inStrictMode) { + checkStrictModeEvalOrArguments(node, node.name); + } + if (!ts.isBindingPattern(node.name)) { + if (ts.isBlockOrCatchScoped(node)) { + bindBlockScopedVariableDeclaration(node); + } + else if (ts.isParameterDeclaration(node)) { + // It is safe to walk up parent chain to find whether the node is a destructing parameter declaration + // because its parent chain has already been set up, since parents are set before descending into children. + // + // If node is a binding element in parameter declaration, we need to use ParameterExcludes. + // Using ParameterExcludes flag allows the compiler to report an error on duplicate identifiers in Parameter Declaration + // For example: + // function foo([a,a]) {} // Duplicate Identifier error + // function bar(a,a) {} // Duplicate Identifier error, parameter declaration in this case is handled in bindParameter + // // which correctly set excluded symbols + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107454 /* FunctionScopedVariableExcludes */); + } + } + } + function bindParameter(node) { + if (!ts.isDeclarationFile(file) && + !ts.isInAmbientContext(node) && + ts.nodeIsDecorated(node)) { + hasDecorators = true; + hasParameterDecorators = true; + } + if (inStrictMode) { + // It is a SyntaxError if the identifier eval or arguments appears within a FormalParameterList of a + // strict mode FunctionLikeDeclaration or FunctionExpression(13.1) + checkStrictModeEvalOrArguments(node, node.name); + } + if (ts.isBindingPattern(node.name)) { + bindAnonymousDeclaration(node, 1 /* FunctionScopedVariable */, getDestructuringParameterName(node)); + } + else { + declareSymbolAndAddToSymbolTable(node, 1 /* FunctionScopedVariable */, 107455 /* ParameterExcludes */); + } + // If this is a property-parameter, then also declare the property symbol into the + // containing class. + if (ts.isParameterPropertyDeclaration(node)) { + var classDeclaration = node.parent.parent; + declareSymbol(classDeclaration.symbol.members, classDeclaration.symbol, node, 4 /* Property */, 107455 /* PropertyExcludes */); + } + } + function bindFunctionDeclaration(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + return declareSymbolAndAddToSymbolTable(node, 16 /* Function */, 106927 /* FunctionExcludes */); + } + function bindFunctionExpression(node) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + } + checkStrictModeFunctionName(node); + var bindingName = node.name ? node.name.text : "__function"; + return bindAnonymousDeclaration(node, 16 /* Function */, bindingName); + } + function bindPropertyOrMethodOrAccessor(node, symbolFlags, symbolExcludes) { + if (!ts.isDeclarationFile(file) && !ts.isInAmbientContext(node)) { + if (ts.isAsyncFunctionLike(node)) { + hasAsyncFunctions = true; + } + if (ts.nodeIsDecorated(node)) { + hasDecorators = true; + } + } + return ts.hasDynamicName(node) + ? bindAnonymousDeclaration(node, symbolFlags, "__computed") + : declareSymbolAndAddToSymbolTable(node, symbolFlags, symbolExcludes); + } + // reachability checks + function pushNamedLabel(name) { + initializeReachabilityStateIfNecessary(); + if (ts.hasProperty(labelIndexMap, name.text)) { + return false; + } + labelIndexMap[name.text] = labelStack.push(1 /* Unintialized */) - 1; + return true; + } + function pushImplicitLabel() { + initializeReachabilityStateIfNecessary(); + var index = labelStack.push(1 /* Unintialized */) - 1; + implicitLabels.push(index); + return index; + } + function popNamedLabel(label, outerState) { + var index = labelIndexMap[label.text]; + ts.Debug.assert(index !== undefined); + ts.Debug.assert(labelStack.length == index + 1); + labelIndexMap[label.text] = undefined; + setCurrentStateAtLabel(labelStack.pop(), outerState, label); + } + function popImplicitLabel(implicitLabelIndex, outerState) { + if (labelStack.length !== implicitLabelIndex + 1) { + ts.Debug.assert(false, "Label stack: " + labelStack.length + ", index:" + implicitLabelIndex); + } + var i = implicitLabels.pop(); + if (implicitLabelIndex !== i) { + ts.Debug.assert(false, "i: " + i + ", index: " + implicitLabelIndex); + } + setCurrentStateAtLabel(labelStack.pop(), outerState, /*name*/ undefined); + } + function setCurrentStateAtLabel(innerMergedState, outerState, label) { + if (innerMergedState === 1 /* Unintialized */) { + if (label && !options.allowUnusedLabels) { + file.bindDiagnostics.push(ts.createDiagnosticForNode(label, ts.Diagnostics.Unused_label)); + } + currentReachabilityState = outerState; + } + else { + currentReachabilityState = or(innerMergedState, outerState); + } + } + function jumpToLabel(label, outerState) { + initializeReachabilityStateIfNecessary(); + var index = label ? labelIndexMap[label.text] : ts.lastOrUndefined(implicitLabels); + if (index === undefined) { + // reference to unknown label or + // break/continue used outside of loops + return false; + } + var stateAtLabel = labelStack[index]; + labelStack[index] = stateAtLabel === 1 /* Unintialized */ ? outerState : or(stateAtLabel, outerState); + return true; + } + function checkUnreachable(node) { + switch (currentReachabilityState) { + case 4 /* Unreachable */: + var reportError = + // report error on all statements except empty ones + (ts.isStatement(node) && node.kind !== 197 /* EmptyStatement */) || + // report error on class declarations + node.kind === 217 /* ClassDeclaration */ || + // report error on instantiated modules or const-enums only modules if preserveConstEnums is set + (node.kind === 221 /* ModuleDeclaration */ && shouldReportErrorOnModuleDeclaration(node)) || + // report error on regular enums and const enums if preserveConstEnums is set + (node.kind === 220 /* EnumDeclaration */ && (!ts.isConstEnumDeclaration(node) || options.preserveConstEnums)); + if (reportError) { + currentReachabilityState = 8 /* ReportedUnreachable */; + // unreachable code is reported if + // - user has explicitly asked about it AND + // - statement is in not ambient context (statements in ambient context is already an error + // so we should not report extras) AND + // - node is not variable statement OR + // - node is block scoped variable statement OR + // - node is not block scoped variable statement and at least one variable declaration has initializer + // Rationale: we don't want to report errors on non-initialized var's since they are hoisted + // On the other side we do want to report errors on non-initialized 'lets' because of TDZ + var reportUnreachableCode = !options.allowUnreachableCode && + !ts.isInAmbientContext(node) && + (node.kind !== 196 /* VariableStatement */ || + ts.getCombinedNodeFlags(node.declarationList) & 24576 /* BlockScoped */ || + ts.forEach(node.declarationList.declarations, function (d) { return d.initializer; })); + if (reportUnreachableCode) { + errorOnFirstToken(node, ts.Diagnostics.Unreachable_code_detected); + } + } + case 8 /* ReportedUnreachable */: + return true; + default: + return false; + } + function shouldReportErrorOnModuleDeclaration(node) { + var instanceState = getModuleInstanceState(node); + return instanceState === 1 /* Instantiated */ || (instanceState === 2 /* ConstEnumOnly */ && options.preserveConstEnums); + } + } + function initializeReachabilityStateIfNecessary() { + if (labelIndexMap) { + return; + } + currentReachabilityState = 2 /* Reachable */; + labelIndexMap = {}; + labelStack = []; + implicitLabels = []; + } + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var nextSymbolId = 1; + var nextNodeId = 1; + var nextMergeId = 1; + function getNodeId(node) { + if (!node.id) { + node.id = nextNodeId; + nextNodeId++; + } + return node.id; + } + ts.getNodeId = getNodeId; + ts.checkTime = 0; + function getSymbolId(symbol) { + if (!symbol.id) { + symbol.id = nextSymbolId; + nextSymbolId++; + } + return symbol.id; + } + ts.getSymbolId = getSymbolId; + function createTypeChecker(host, produceDiagnostics) { + // Cancellation that controls whether or not we can cancel in the middle of type checking. + // In general cancelling is *not* safe for the type checker. We might be in the middle of + // computing something, and we will leave our internals in an inconsistent state. Callers + // who set the cancellation token should catch if a cancellation exception occurs, and + // should throw away and create a new TypeChecker. + // + // Currently we only support setting the cancellation token when getting diagnostics. This + // is because diagnostics can be quite expensive, and we want to allow hosts to bail out if + // they no longer need the information (for example, if the user started editing again). + var cancellationToken; + var Symbol = ts.objectAllocator.getSymbolConstructor(); + var Type = ts.objectAllocator.getTypeConstructor(); + var Signature = ts.objectAllocator.getSignatureConstructor(); + var typeCount = 0; + var symbolCount = 0; + var emptyArray = []; + var emptySymbols = {}; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = compilerOptions.target || 0 /* ES3 */; + var modulekind = ts.getEmitModuleKind(compilerOptions); + var allowSyntheticDefaultImports = typeof compilerOptions.allowSyntheticDefaultImports !== "undefined" ? compilerOptions.allowSyntheticDefaultImports : modulekind === 4 /* System */; + var emitResolver = createResolver(); + var undefinedSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "undefined"); + undefinedSymbol.declarations = []; + var argumentsSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "arguments"); + var checker = { + getNodeCount: function () { return ts.sum(host.getSourceFiles(), "nodeCount"); }, + getIdentifierCount: function () { return ts.sum(host.getSourceFiles(), "identifierCount"); }, + getSymbolCount: function () { return ts.sum(host.getSourceFiles(), "symbolCount") + symbolCount; }, + getTypeCount: function () { return typeCount; }, + isUndefinedSymbol: function (symbol) { return symbol === undefinedSymbol; }, + isArgumentsSymbol: function (symbol) { return symbol === argumentsSymbol; }, + isUnknownSymbol: function (symbol) { return symbol === unknownSymbol; }, + getDiagnostics: getDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + // The language service will always care about the narrowed type of a symbol, because that is + // the type the language says the symbol should have. + getTypeOfSymbolAtLocation: getNarrowedTypeOfSymbol, + getSymbolsOfParameterPropertyDeclaration: getSymbolsOfParameterPropertyDeclaration, + getDeclaredTypeOfSymbol: getDeclaredTypeOfSymbol, + getPropertiesOfType: getPropertiesOfType, + getPropertyOfType: getPropertyOfType, + getSignaturesOfType: getSignaturesOfType, + getIndexTypeOfType: getIndexTypeOfType, + getBaseTypes: getBaseTypes, + getReturnTypeOfSignature: getReturnTypeOfSignature, + getSymbolsInScope: getSymbolsInScope, + getSymbolAtLocation: getSymbolAtLocation, + getShorthandAssignmentValueSymbol: getShorthandAssignmentValueSymbol, + getExportSpecifierLocalTargetSymbol: getExportSpecifierLocalTargetSymbol, + getTypeAtLocation: getTypeOfNode, + typeToString: typeToString, + getSymbolDisplayBuilder: getSymbolDisplayBuilder, + symbolToString: symbolToString, + getAugmentedPropertiesOfType: getAugmentedPropertiesOfType, + getRootSymbols: getRootSymbols, + getContextualType: getContextualType, + getFullyQualifiedName: getFullyQualifiedName, + getResolvedSignature: getResolvedSignature, + getConstantValue: getConstantValue, + isValidPropertyAccess: isValidPropertyAccess, + getSignatureFromDeclaration: getSignatureFromDeclaration, + isImplementationOfOverload: isImplementationOfOverload, + getAliasedSymbol: resolveAlias, + getEmitResolver: getEmitResolver, + getExportsOfModule: getExportsOfModuleAsArray, + getJsxElementAttributesType: getJsxElementAttributesType, + getJsxIntrinsicTagNames: getJsxIntrinsicTagNames, + isOptionalParameter: isOptionalParameter + }; + var unknownSymbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "unknown"); + var resolvingSymbol = createSymbol(67108864 /* Transient */, "__resolving__"); + var anyType = createIntrinsicType(1 /* Any */, "any"); + var stringType = createIntrinsicType(2 /* String */, "string"); + var numberType = createIntrinsicType(4 /* Number */, "number"); + var booleanType = createIntrinsicType(8 /* Boolean */, "boolean"); + var esSymbolType = createIntrinsicType(16777216 /* ESSymbol */, "symbol"); + var voidType = createIntrinsicType(16 /* Void */, "void"); + var undefinedType = createIntrinsicType(32 /* Undefined */ | 2097152 /* ContainsUndefinedOrNull */, "undefined"); + var nullType = createIntrinsicType(64 /* Null */ | 2097152 /* ContainsUndefinedOrNull */, "null"); + var unknownType = createIntrinsicType(1 /* Any */, "unknown"); + var emptyObjectType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var emptyUnionType = emptyObjectType; + var emptyGenericType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + emptyGenericType.instantiations = {}; + var anyFunctionType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + // The anyFunctionType contains the anyFunctionType by definition. The flag is further propagated + // in getPropagatingFlagsOfTypes, and it is checked in inferFromTypes. + anyFunctionType.flags |= 8388608 /* ContainsAnyFunctionType */; + var noConstraintType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + var anySignature = createSignature(undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); + var unknownSignature = createSignature(undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false); + var globals = {}; + var globalESSymbolConstructorSymbol; + var getGlobalPromiseConstructorSymbol; + var globalObjectType; + var globalFunctionType; + var globalArrayType; + var globalStringType; + var globalNumberType; + var globalBooleanType; + var globalRegExpType; + var globalTemplateStringsArrayType; + var globalESSymbolType; + var globalIterableType; + var globalIteratorType; + var globalIterableIteratorType; + var anyArrayType; + var getGlobalClassDecoratorType; + var getGlobalParameterDecoratorType; + var getGlobalPropertyDecoratorType; + var getGlobalMethodDecoratorType; + var getGlobalTypedPropertyDescriptorType; + var getGlobalPromiseType; + var tryGetGlobalPromiseType; + var getGlobalPromiseLikeType; + var getInstantiatedGlobalPromiseLikeType; + var getGlobalPromiseConstructorLikeType; + var getGlobalThenableType; + var jsxElementClassType; + var deferredNodes; + var tupleTypes = {}; + var unionTypes = {}; + var intersectionTypes = {}; + var stringLiteralTypes = {}; + var resolutionTargets = []; + var resolutionResults = []; + var resolutionPropertyNames = []; + var mergedSymbols = []; + var symbolLinks = []; + var nodeLinks = []; + var potentialThisCollisions = []; + var awaitedTypeStack = []; + var diagnostics = ts.createDiagnosticCollection(); + var primitiveTypeInfo = { + "string": { + type: stringType, + flags: 258 /* StringLike */ + }, + "number": { + type: numberType, + flags: 132 /* NumberLike */ + }, + "boolean": { + type: booleanType, + flags: 8 /* Boolean */ + }, + "symbol": { + type: esSymbolType, + flags: 16777216 /* ESSymbol */ + }, + "undefined": { + type: undefinedType, + flags: 2097152 /* ContainsUndefinedOrNull */ + } + }; + var jsxElementType; + /** Things we lazy load from the JSX namespace */ + var jsxTypes = {}; + var JsxNames = { + JSX: "JSX", + IntrinsicElements: "IntrinsicElements", + ElementClass: "ElementClass", + ElementAttributesPropertyNameContainer: "ElementAttributesProperty", + Element: "Element", + IntrinsicAttributes: "IntrinsicAttributes", + IntrinsicClassAttributes: "IntrinsicClassAttributes" + }; + var subtypeRelation = {}; + var assignableRelation = {}; + var identityRelation = {}; + // This is for caching the result of getSymbolDisplayBuilder. Do not access directly. + var _displayBuilder; + var TypeSystemPropertyName; + (function (TypeSystemPropertyName) { + TypeSystemPropertyName[TypeSystemPropertyName["Type"] = 0] = "Type"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedBaseConstructorType"] = 1] = "ResolvedBaseConstructorType"; + TypeSystemPropertyName[TypeSystemPropertyName["DeclaredType"] = 2] = "DeclaredType"; + TypeSystemPropertyName[TypeSystemPropertyName["ResolvedReturnType"] = 3] = "ResolvedReturnType"; + })(TypeSystemPropertyName || (TypeSystemPropertyName = {})); + var builtinGlobals = (_a = {}, + _a[undefinedSymbol.name] = undefinedSymbol, + _a + ); + initializeTypeChecker(); + return checker; + function getEmitResolver(sourceFile, cancellationToken) { + // Ensure we have all the type information in place for this file so that all the + // emitter questions of this resolver will return the right information. + getDiagnostics(sourceFile, cancellationToken); + return emitResolver; + } + function error(location, message, arg0, arg1, arg2) { + var diagnostic = location + ? ts.createDiagnosticForNode(location, message, arg0, arg1, arg2) + : ts.createCompilerDiagnostic(message, arg0, arg1, arg2); + diagnostics.add(diagnostic); + } + function createSymbol(flags, name) { + symbolCount++; + return new Symbol(flags, name); + } + function getExcludedSymbolFlags(flags) { + var result = 0; + if (flags & 2 /* BlockScopedVariable */) + result |= 107455 /* BlockScopedVariableExcludes */; + if (flags & 1 /* FunctionScopedVariable */) + result |= 107454 /* FunctionScopedVariableExcludes */; + if (flags & 4 /* Property */) + result |= 107455 /* PropertyExcludes */; + if (flags & 8 /* EnumMember */) + result |= 107455 /* EnumMemberExcludes */; + if (flags & 16 /* Function */) + result |= 106927 /* FunctionExcludes */; + if (flags & 32 /* Class */) + result |= 899519 /* ClassExcludes */; + if (flags & 64 /* Interface */) + result |= 792960 /* InterfaceExcludes */; + if (flags & 256 /* RegularEnum */) + result |= 899327 /* RegularEnumExcludes */; + if (flags & 128 /* ConstEnum */) + result |= 899967 /* ConstEnumExcludes */; + if (flags & 512 /* ValueModule */) + result |= 106639 /* ValueModuleExcludes */; + if (flags & 8192 /* Method */) + result |= 99263 /* MethodExcludes */; + if (flags & 32768 /* GetAccessor */) + result |= 41919 /* GetAccessorExcludes */; + if (flags & 65536 /* SetAccessor */) + result |= 74687 /* SetAccessorExcludes */; + if (flags & 262144 /* TypeParameter */) + result |= 530912 /* TypeParameterExcludes */; + if (flags & 524288 /* TypeAlias */) + result |= 793056 /* TypeAliasExcludes */; + if (flags & 8388608 /* Alias */) + result |= 8388608 /* AliasExcludes */; + return result; + } + function recordMergedSymbol(target, source) { + if (!source.mergeId) { + source.mergeId = nextMergeId; + nextMergeId++; + } + mergedSymbols[source.mergeId] = target; + } + function cloneSymbol(symbol) { + var result = createSymbol(symbol.flags | 33554432 /* Merged */, symbol.name); + result.declarations = symbol.declarations.slice(0); + result.parent = symbol.parent; + if (symbol.valueDeclaration) + result.valueDeclaration = symbol.valueDeclaration; + if (symbol.constEnumOnlyModule) + result.constEnumOnlyModule = true; + if (symbol.members) + result.members = cloneSymbolTable(symbol.members); + if (symbol.exports) + result.exports = cloneSymbolTable(symbol.exports); + recordMergedSymbol(result, symbol); + return result; + } + function mergeSymbol(target, source) { + if (!(target.flags & getExcludedSymbolFlags(source.flags))) { + if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) { + // reset flag when merging instantiated module into value module that has only const enums + target.constEnumOnlyModule = false; + } + target.flags |= source.flags; + if (source.valueDeclaration && + (!target.valueDeclaration || + (target.valueDeclaration.kind === 221 /* ModuleDeclaration */ && source.valueDeclaration.kind !== 221 /* ModuleDeclaration */))) { + // other kinds of value declarations take precedence over modules + target.valueDeclaration = source.valueDeclaration; + } + ts.forEach(source.declarations, function (node) { + target.declarations.push(node); + }); + if (source.members) { + if (!target.members) + target.members = {}; + mergeSymbolTable(target.members, source.members); + } + if (source.exports) { + if (!target.exports) + target.exports = {}; + mergeSymbolTable(target.exports, source.exports); + } + recordMergedSymbol(target, source); + } + else { + var message_2 = target.flags & 2 /* BlockScopedVariable */ || source.flags & 2 /* BlockScopedVariable */ + ? ts.Diagnostics.Cannot_redeclare_block_scoped_variable_0 : ts.Diagnostics.Duplicate_identifier_0; + ts.forEach(source.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + ts.forEach(target.declarations, function (node) { + error(node.name ? node.name : node, message_2, symbolToString(source)); + }); + } + } + function cloneSymbolTable(symbolTable) { + var result = {}; + for (var id in symbolTable) { + if (ts.hasProperty(symbolTable, id)) { + result[id] = symbolTable[id]; + } + } + return result; + } + function mergeSymbolTable(target, source) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (!ts.hasProperty(target, id)) { + target[id] = source[id]; + } + else { + var symbol = target[id]; + if (!(symbol.flags & 33554432 /* Merged */)) { + target[id] = symbol = cloneSymbol(symbol); + } + mergeSymbol(symbol, source[id]); + } + } + } + } + function mergeModuleAugmentation(moduleName) { + var moduleAugmentation = moduleName.parent; + if (moduleAugmentation.symbol.valueDeclaration !== moduleAugmentation) { + // this is a combined symbol for multiple augmentations within the same file. + // its symbol already has accumulated information for all declarations + // so we need to add it just once - do the work only for first declaration + ts.Debug.assert(moduleAugmentation.symbol.declarations.length > 1); + return; + } + if (ts.isGlobalScopeAugmentation(moduleAugmentation)) { + mergeSymbolTable(globals, moduleAugmentation.symbol.exports); + } + else { + // find a module that about to be augmented + var mainModule = resolveExternalModuleNameWorker(moduleName, moduleName, ts.Diagnostics.Invalid_module_name_in_augmentation_module_0_cannot_be_found); + if (!mainModule) { + return; + } + // obtain item referenced by 'export=' + mainModule = resolveExternalModuleSymbol(mainModule); + if (mainModule.flags & 1536 /* Namespace */) { + // if module symbol has already been merged - it is safe to use it. + // otherwise clone it + mainModule = mainModule.flags & 33554432 /* Merged */ ? mainModule : cloneSymbol(mainModule); + mergeSymbol(mainModule, moduleAugmentation.symbol); + } + else { + error(moduleName, ts.Diagnostics.Cannot_augment_module_0_because_it_resolves_to_a_non_module_entity, moduleName.text); + } + } + } + function addToSymbolTable(target, source, message) { + for (var id in source) { + if (ts.hasProperty(source, id)) { + if (ts.hasProperty(target, id)) { + // Error on redeclarations + ts.forEach(target[id].declarations, addDeclarationDiagnostic(id, message)); + } + else { + target[id] = source[id]; + } + } + } + function addDeclarationDiagnostic(id, message) { + return function (declaration) { return diagnostics.add(ts.createDiagnosticForNode(declaration, message, id)); }; + } + } + function getSymbolLinks(symbol) { + if (symbol.flags & 67108864 /* Transient */) + return symbol; + var id = getSymbolId(symbol); + return symbolLinks[id] || (symbolLinks[id] = {}); + } + function getNodeLinks(node) { + var nodeId = getNodeId(node); + return nodeLinks[nodeId] || (nodeLinks[nodeId] = {}); + } + function isGlobalSourceFile(node) { + return node.kind === 251 /* SourceFile */ && !ts.isExternalOrCommonJsModule(node); + } + function getSymbol(symbols, name, meaning) { + if (meaning && ts.hasProperty(symbols, name)) { + var symbol = symbols[name]; + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); + if (symbol.flags & meaning) { + return symbol; + } + if (symbol.flags & 8388608 /* Alias */) { + var target = resolveAlias(symbol); + // Unknown symbol means an error occurred in alias resolution, treat it as positive answer to avoid cascading errors + if (target === unknownSymbol || target.flags & meaning) { + return symbol; + } + } + } + // return undefined if we can't find a symbol. + } + /** + * Get symbols that represent parameter-property-declaration as parameter and as property declaration + * @param parameter a parameterDeclaration node + * @param parameterName a name of the parameter to get the symbols for. + * @return a tuple of two symbols + */ + function getSymbolsOfParameterPropertyDeclaration(parameter, parameterName) { + var constructoDeclaration = parameter.parent; + var classDeclaration = parameter.parent.parent; + var parameterSymbol = getSymbol(constructoDeclaration.locals, parameterName, 107455 /* Value */); + var propertySymbol = getSymbol(classDeclaration.symbol.members, parameterName, 107455 /* Value */); + if (parameterSymbol && propertySymbol) { + return [parameterSymbol, propertySymbol]; + } + ts.Debug.fail("There should exist two symbols, one as property declaration and one as parameter declaration"); + } + function isBlockScopedNameDeclaredBeforeUse(declaration, usage) { + var declarationFile = ts.getSourceFileOfNode(declaration); + var useFile = ts.getSourceFileOfNode(usage); + if (declarationFile !== useFile) { + if (modulekind || (!compilerOptions.outFile && !compilerOptions.out)) { + // nodes are in different files and order cannot be determines + return true; + } + var sourceFiles = host.getSourceFiles(); + return ts.indexOf(sourceFiles, declarationFile) <= ts.indexOf(sourceFiles, useFile); + } + if (declaration.pos <= usage.pos) { + // declaration is before usage + // still might be illegal if usage is in the initializer of the variable declaration + return declaration.kind !== 214 /* VariableDeclaration */ || + !isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage); + } + // declaration is after usage + // can be legal if usage is deferred (i.e. inside function or in initializer of instance property) + return isUsedInFunctionOrNonStaticProperty(declaration, usage); + function isImmediatelyUsedInInitializerOfBlockScopedVariable(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + if (declaration.parent.parent.kind === 196 /* VariableStatement */ || + declaration.parent.parent.kind === 202 /* ForStatement */) { + // variable statement/for statement case, + // use site should not be inside variable declaration (initializer of declaration or binding element) + return isSameScopeDescendentOf(usage, declaration, container); + } + else if (declaration.parent.parent.kind === 204 /* ForOfStatement */ || + declaration.parent.parent.kind === 203 /* ForInStatement */) { + // ForIn/ForOf case - use site should not be used in expression part + var expression = declaration.parent.parent.expression; + return isSameScopeDescendentOf(usage, expression, container); + } + } + function isUsedInFunctionOrNonStaticProperty(declaration, usage) { + var container = ts.getEnclosingBlockScopeContainer(declaration); + var current = usage; + while (current) { + if (current === container) { + return false; + } + if (ts.isFunctionLike(current)) { + return true; + } + var initializerOfNonStaticProperty = current.parent && + current.parent.kind === 142 /* PropertyDeclaration */ && + (current.parent.flags & 64 /* Static */) === 0 && + current.parent.initializer === current; + if (initializerOfNonStaticProperty) { + return true; + } + current = current.parent; + } + return false; + } + } + // Resolve a given name for a given meaning at a given location. An error is reported if the name was not found and + // the nameNotFoundMessage argument is not undefined. Returns the resolved symbol, or undefined if no symbol with + // the given name can be found. + function resolveName(location, name, meaning, nameNotFoundMessage, nameArg) { + var result; + var lastLocation; + var propertyWithInvalidInitializer; + var errorLocation = location; + var grandparent; + loop: while (location) { + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location.locals && !isGlobalSourceFile(location)) { + if (result = getSymbol(location.locals, name, meaning)) { + var useResult = true; + if (ts.isFunctionLike(location) && lastLocation && lastLocation !== location.body) { + // symbol lookup restrictions for function-like declarations + // - Type parameters of a function are in scope in the entire function declaration, including the parameter + // list and return type. However, local types are only in scope in the function body. + // - parameters are only in the scope of function body + // This restriction does not apply to JSDoc comment types because they are parented + // at a higher level than type parameters would normally be + if (meaning & result.flags & 793056 /* Type */ && lastLocation.kind !== 268 /* JSDocComment */) { + useResult = result.flags & 262144 /* TypeParameter */ + ? lastLocation === location.type || + lastLocation.kind === 139 /* Parameter */ || + lastLocation.kind === 138 /* TypeParameter */ + : false; + } + if (meaning & 107455 /* Value */ && result.flags & 1 /* FunctionScopedVariable */) { + // parameters are visible only inside function body, parameter list and return type + // technically for parameter list case here we might mix parameters and variables declared in function, + // however it is detected separately when checking initializers of parameters + // to make sure that they reference no variables declared after them. + useResult = + lastLocation.kind === 139 /* Parameter */ || + (lastLocation === location.type && + result.valueDeclaration.kind === 139 /* Parameter */); + } + } + if (useResult) { + break loop; + } + else { + result = undefined; + } + } + } + switch (location.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) + break; + case 221 /* ModuleDeclaration */: + var moduleExports = getSymbolOfNode(location).exports; + if (location.kind === 251 /* SourceFile */ || ts.isAmbientModule(location)) { + // It's an external module. First see if the module has an export default and if the local + // name of that export default matches. + if (result = moduleExports["default"]) { + var localSymbol = ts.getLocalSymbolForExportDefault(result); + if (localSymbol && (result.flags & meaning) && localSymbol.name === name) { + break loop; + } + result = undefined; + } + // Because of module/namespace merging, a module's exports are in scope, + // yet we never want to treat an export specifier as putting a member in scope. + // Therefore, if the name we find is purely an export specifier, it is not actually considered in scope. + // Two things to note about this: + // 1. We have to check this without calling getSymbol. The problem with calling getSymbol + // on an export specifier is that it might find the export specifier itself, and try to + // resolve it as an alias. This will cause the checker to consider the export specifier + // a circular alias reference when it might not be. + // 2. We check === SymbolFlags.Alias in order to check that the symbol is *purely* + // an alias. If we used &, we'd be throwing out symbols that have non alias aspects, + // which is not the desired behavior. + if (ts.hasProperty(moduleExports, name) && + moduleExports[name].flags === 8388608 /* Alias */ && + ts.getDeclarationOfKind(moduleExports[name], 233 /* ExportSpecifier */)) { + break; + } + } + if (result = getSymbol(moduleExports, name, meaning & 8914931 /* ModuleMember */)) { + break loop; + } + break; + case 220 /* EnumDeclaration */: + if (result = getSymbol(getSymbolOfNode(location).exports, name, meaning & 8 /* EnumMember */)) { + break loop; + } + break; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + // TypeScript 1.0 spec (April 2014): 8.4.1 + // Initializer expressions for instance member variables are evaluated in the scope + // of the class constructor body but are not permitted to reference parameters or + // local variables of the constructor. This effectively means that entities from outer scopes + // by the same name as a constructor parameter or local variable are inaccessible + // in initializer expressions for instance member variables. + if (ts.isClassLike(location.parent) && !(location.flags & 64 /* Static */)) { + var ctor = findConstructorDeclaration(location.parent); + if (ctor && ctor.locals) { + if (getSymbol(ctor.locals, name, meaning & 107455 /* Value */)) { + // Remember the property node, it will be used later to report appropriate error + propertyWithInvalidInitializer = location; + } + } + } + break; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + if (result = getSymbol(getSymbolOfNode(location).members, name, meaning & 793056 /* Type */)) { + if (lastLocation && lastLocation.flags & 64 /* Static */) { + // TypeScript 1.0 spec (April 2014): 3.4.1 + // The scope of a type parameter extends over the entire declaration with which the type + // parameter list is associated, with the exception of static member declarations in classes. + error(errorLocation, ts.Diagnostics.Static_members_cannot_reference_class_type_parameters); + return undefined; + } + break loop; + } + if (location.kind === 189 /* ClassExpression */ && meaning & 32 /* Class */) { + var className = location.name; + if (className && name === className.text) { + result = location.symbol; + break loop; + } + } + break; + // It is not legal to reference a class's own type parameters from a computed property name that + // belongs to the class. For example: + // + // function foo() { return '' } + // class C { // <-- Class's own type parameter T + // [foo()]() { } // <-- Reference to T from class's own computed property + // } + // + case 137 /* ComputedPropertyName */: + grandparent = location.parent.parent; + if (ts.isClassLike(grandparent) || grandparent.kind === 218 /* InterfaceDeclaration */) { + // A reference to this grandparent's type parameters would be an error + if (result = getSymbol(getSymbolOfNode(grandparent).members, name, meaning & 793056 /* Type */)) { + error(errorLocation, ts.Diagnostics.A_computed_property_name_cannot_reference_a_type_parameter_from_its_containing_type); + return undefined; + } + } + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + if (meaning & 3 /* Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + break; + case 176 /* FunctionExpression */: + if (meaning & 3 /* Variable */ && name === "arguments") { + result = argumentsSymbol; + break loop; + } + if (meaning & 16 /* Function */) { + var functionName = location.name; + if (functionName && name === functionName.text) { + result = location.symbol; + break loop; + } + } + break; + case 140 /* Decorator */: + // Decorators are resolved at the class declaration. Resolving at the parameter + // or member would result in looking up locals in the method. + // + // function y() {} + // class C { + // method(@y x, y) {} // <-- decorator y should be resolved at the class declaration, not the parameter. + // } + // + if (location.parent && location.parent.kind === 139 /* Parameter */) { + location = location.parent; + } + // + // function y() {} + // class C { + // @y method(x, y) {} // <-- decorator y should be resolved at the class declaration, not the method. + // } + // + if (location.parent && ts.isClassElement(location.parent)) { + location = location.parent; + } + break; + } + lastLocation = location; + location = location.parent; + } + if (!result) { + result = getSymbol(globals, name, meaning); + } + if (!result) { + if (nameNotFoundMessage) { + if (!checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg)) { + error(errorLocation, nameNotFoundMessage, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + } + } + return undefined; + } + // Perform extra checks only if error reporting was requested + if (nameNotFoundMessage) { + if (propertyWithInvalidInitializer) { + // We have a match, but the reference occurred within a property initializer and the identifier also binds + // to a local variable in the constructor where the code will be emitted. + var propertyName = propertyWithInvalidInitializer.name; + error(errorLocation, ts.Diagnostics.Initializer_of_instance_member_variable_0_cannot_reference_identifier_1_declared_in_the_constructor, ts.declarationNameToString(propertyName), typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return undefined; + } + // Only check for block-scoped variable if we are looking for the + // name with variable meaning + // For example, + // declare module foo { + // interface bar {} + // } + // const foo/*1*/: foo/*2*/.bar; + // The foo at /*1*/ and /*2*/ will share same symbol with two meaning + // block - scope variable and namespace module. However, only when we + // try to resolve name in /*1*/ which is used in variable position, + // we want to check for block- scoped + if (meaning & 2 /* BlockScopedVariable */) { + var exportOrLocalSymbol = getExportSymbolOfValueSymbolIfExported(result); + if (exportOrLocalSymbol.flags & 2 /* BlockScopedVariable */) { + checkResolvedBlockScopedVariable(exportOrLocalSymbol, errorLocation); + } + } + } + return result; + } + function checkAndReportErrorForMissingPrefix(errorLocation, name, nameArg) { + if (!errorLocation || (errorLocation.kind === 69 /* Identifier */ && (isTypeReferenceIdentifier(errorLocation)) || isInTypeQuery(errorLocation))) { + return false; + } + var container = ts.getThisContainer(errorLocation, /* includeArrowFunctions */ true); + var location = container; + while (location) { + if (ts.isClassLike(location.parent)) { + var classSymbol = getSymbolOfNode(location.parent); + if (!classSymbol) { + break; + } + // Check to see if a static member exists. + var constructorType = getTypeOfSymbol(classSymbol); + if (getPropertyOfType(constructorType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_static_member_1_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg), symbolToString(classSymbol)); + return true; + } + // No static member is present. + // Check if we're in an instance method and look for a relevant instance member. + if (location === container && !(location.flags & 64 /* Static */)) { + var instanceType = getDeclaredTypeOfSymbol(classSymbol).thisType; + if (getPropertyOfType(instanceType, name)) { + error(errorLocation, ts.Diagnostics.Cannot_find_name_0_Did_you_mean_the_instance_member_this_0, typeof nameArg === "string" ? nameArg : ts.declarationNameToString(nameArg)); + return true; + } + } + } + location = location.parent; + } + return false; + } + function checkResolvedBlockScopedVariable(result, errorLocation) { + ts.Debug.assert((result.flags & 2 /* BlockScopedVariable */) !== 0); + // Block-scoped variables cannot be used before their definition + var declaration = ts.forEach(result.declarations, function (d) { return ts.isBlockOrCatchScoped(d) ? d : undefined; }); + ts.Debug.assert(declaration !== undefined, "Block-scoped variable declaration is undefined"); + if (!isBlockScopedNameDeclaredBeforeUse(ts.getAncestor(declaration, 214 /* VariableDeclaration */), errorLocation)) { + error(errorLocation, ts.Diagnostics.Block_scoped_variable_0_used_before_its_declaration, ts.declarationNameToString(declaration.name)); + } + } + /* Starting from 'initial' node walk up the parent chain until 'stopAt' node is reached. + * If at any point current node is equal to 'parent' node - return true. + * Return false if 'stopAt' node is reached or isFunctionLike(current) === true. + */ + function isSameScopeDescendentOf(initial, parent, stopAt) { + if (!parent) { + return false; + } + for (var current = initial; current && current !== stopAt && !ts.isFunctionLike(current); current = current.parent) { + if (current === parent) { + return true; + } + } + return false; + } + function getAnyImportSyntax(node) { + if (ts.isAliasSymbolDeclaration(node)) { + if (node.kind === 224 /* ImportEqualsDeclaration */) { + return node; + } + while (node && node.kind !== 225 /* ImportDeclaration */) { + node = node.parent; + } + return node; + } + } + function getDeclarationOfAliasSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isAliasSymbolDeclaration(d) ? d : undefined; }); + } + function getTargetOfImportEqualsDeclaration(node) { + if (node.moduleReference.kind === 235 /* ExternalModuleReference */) { + return resolveExternalModuleSymbol(resolveExternalModuleName(node, ts.getExternalModuleImportEqualsDeclarationExpression(node))); + } + return getSymbolOfPartOfRightHandSideOfImportEquals(node.moduleReference, node); + } + function getTargetOfImportClause(node) { + var moduleSymbol = resolveExternalModuleName(node, node.parent.moduleSpecifier); + if (moduleSymbol) { + var exportDefaultSymbol = resolveSymbol(moduleSymbol.exports["default"]); + if (!exportDefaultSymbol && !allowSyntheticDefaultImports) { + error(node.name, ts.Diagnostics.Module_0_has_no_default_export, symbolToString(moduleSymbol)); + } + else if (!exportDefaultSymbol && allowSyntheticDefaultImports) { + return resolveExternalModuleSymbol(moduleSymbol) || resolveSymbol(moduleSymbol); + } + return exportDefaultSymbol; + } + } + function getTargetOfNamespaceImport(node) { + var moduleSpecifier = node.parent.parent.moduleSpecifier; + return resolveESModuleSymbol(resolveExternalModuleName(node, moduleSpecifier), moduleSpecifier); + } + // This function creates a synthetic symbol that combines the value side of one symbol with the + // type/namespace side of another symbol. Consider this example: + // + // declare module graphics { + // interface Point { + // x: number; + // y: number; + // } + // } + // declare var graphics: { + // Point: new (x: number, y: number) => graphics.Point; + // } + // declare module "graphics" { + // export = graphics; + // } + // + // An 'import { Point } from "graphics"' needs to create a symbol that combines the value side 'Point' + // property with the type/namespace side interface 'Point'. + function combineValueAndTypeSymbols(valueSymbol, typeSymbol) { + if (valueSymbol.flags & (793056 /* Type */ | 1536 /* Namespace */)) { + return valueSymbol; + } + var result = createSymbol(valueSymbol.flags | typeSymbol.flags, valueSymbol.name); + result.declarations = ts.concatenate(valueSymbol.declarations, typeSymbol.declarations); + result.parent = valueSymbol.parent || typeSymbol.parent; + if (valueSymbol.valueDeclaration) + result.valueDeclaration = valueSymbol.valueDeclaration; + if (typeSymbol.members) + result.members = typeSymbol.members; + if (valueSymbol.exports) + result.exports = valueSymbol.exports; + return result; + } + function getExportOfModule(symbol, name) { + if (symbol.flags & 1536 /* Module */) { + var exports = getExportsOfSymbol(symbol); + if (ts.hasProperty(exports, name)) { + return resolveSymbol(exports[name]); + } + } + } + function getPropertyOfVariable(symbol, name) { + if (symbol.flags & 3 /* Variable */) { + var typeAnnotation = symbol.valueDeclaration.type; + if (typeAnnotation) { + return resolveSymbol(getPropertyOfType(getTypeFromTypeNode(typeAnnotation), name)); + } + } + } + function getExternalModuleMember(node, specifier) { + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + var targetSymbol = resolveESModuleSymbol(moduleSymbol, node.moduleSpecifier); + if (targetSymbol) { + var name_9 = specifier.propertyName || specifier.name; + if (name_9.text) { + var symbolFromModule = getExportOfModule(targetSymbol, name_9.text); + var symbolFromVariable = getPropertyOfVariable(targetSymbol, name_9.text); + var symbol = symbolFromModule && symbolFromVariable ? + combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) : + symbolFromModule || symbolFromVariable; + if (!symbol) { + error(name_9, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(moduleSymbol), ts.declarationNameToString(name_9)); + } + return symbol; + } + } + } + function getTargetOfImportSpecifier(node) { + return getExternalModuleMember(node.parent.parent.parent, node); + } + function getTargetOfExportSpecifier(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + function getTargetOfExportAssignment(node) { + return resolveEntityName(node.expression, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + function getTargetOfAliasDeclaration(node) { + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + return getTargetOfImportEqualsDeclaration(node); + case 226 /* ImportClause */: + return getTargetOfImportClause(node); + case 227 /* NamespaceImport */: + return getTargetOfNamespaceImport(node); + case 229 /* ImportSpecifier */: + return getTargetOfImportSpecifier(node); + case 233 /* ExportSpecifier */: + return getTargetOfExportSpecifier(node); + case 230 /* ExportAssignment */: + return getTargetOfExportAssignment(node); + } + } + function resolveSymbol(symbol) { + return symbol && symbol.flags & 8388608 /* Alias */ && !(symbol.flags & (107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */)) ? resolveAlias(symbol) : symbol; + } + function resolveAlias(symbol) { + ts.Debug.assert((symbol.flags & 8388608 /* Alias */) !== 0, "Should only get Alias here."); + var links = getSymbolLinks(symbol); + if (!links.target) { + links.target = resolvingSymbol; + var node = getDeclarationOfAliasSymbol(symbol); + var target = getTargetOfAliasDeclaration(node); + if (links.target === resolvingSymbol) { + links.target = target || unknownSymbol; + } + else { + error(node, ts.Diagnostics.Circular_definition_of_import_alias_0, symbolToString(symbol)); + } + } + else if (links.target === resolvingSymbol) { + links.target = unknownSymbol; + } + return links.target; + } + function markExportAsReferenced(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target) { + var markAlias = (target === unknownSymbol && compilerOptions.isolatedModules) || + (target !== unknownSymbol && (target.flags & 107455 /* Value */) && !isConstEnumOrConstEnumOnlyModule(target)); + if (markAlias) { + markAliasSymbolAsReferenced(symbol); + } + } + } + // When an alias symbol is referenced, we need to mark the entity it references as referenced and in turn repeat that until + // we reach a non-alias or an exported entity (which is always considered referenced). We do this by checking the target of + // the alias as an expression (which recursively takes us back here if the target references another alias). + function markAliasSymbolAsReferenced(symbol) { + var links = getSymbolLinks(symbol); + if (!links.referenced) { + links.referenced = true; + var node = getDeclarationOfAliasSymbol(symbol); + if (node.kind === 230 /* ExportAssignment */) { + // export default + checkExpressionCached(node.expression); + } + else if (node.kind === 233 /* ExportSpecifier */) { + // export { } or export { as foo } + checkExpressionCached(node.propertyName || node.name); + } + else if (ts.isInternalModuleImportEqualsDeclaration(node)) { + // import foo = + checkExpressionCached(node.moduleReference); + } + } + } + // This function is only for imports with entity names + function getSymbolOfPartOfRightHandSideOfImportEquals(entityName, importDeclaration) { + if (!importDeclaration) { + importDeclaration = ts.getAncestor(entityName, 224 /* ImportEqualsDeclaration */); + ts.Debug.assert(importDeclaration !== undefined); + } + // There are three things we might try to look for. In the following examples, + // the search term is enclosed in |...|: + // + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + if (entityName.kind === 69 /* Identifier */ && ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + // Check for case 1 and 3 in the above example + if (entityName.kind === 69 /* Identifier */ || entityName.parent.kind === 136 /* QualifiedName */) { + return resolveEntityName(entityName, 1536 /* Namespace */); + } + else { + // Case 2 in above example + // entityName.kind could be a QualifiedName or a Missing identifier + ts.Debug.assert(entityName.parent.kind === 224 /* ImportEqualsDeclaration */); + return resolveEntityName(entityName, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */); + } + } + function getFullyQualifiedName(symbol) { + return symbol.parent ? getFullyQualifiedName(symbol.parent) + "." + symbolToString(symbol) : symbolToString(symbol); + } + // Resolves a qualified name and any involved aliases + function resolveEntityName(name, meaning, ignoreErrors) { + if (ts.nodeIsMissing(name)) { + return undefined; + } + var symbol; + if (name.kind === 69 /* Identifier */) { + var message = meaning === 1536 /* Namespace */ ? ts.Diagnostics.Cannot_find_namespace_0 : ts.Diagnostics.Cannot_find_name_0; + symbol = resolveName(name, name.text, meaning, ignoreErrors ? undefined : message, name); + if (!symbol) { + return undefined; + } + } + else if (name.kind === 136 /* QualifiedName */ || name.kind === 169 /* PropertyAccessExpression */) { + var left = name.kind === 136 /* QualifiedName */ ? name.left : name.expression; + var right = name.kind === 136 /* QualifiedName */ ? name.right : name.name; + var namespace = resolveEntityName(left, 1536 /* Namespace */, ignoreErrors); + if (!namespace || namespace === unknownSymbol || ts.nodeIsMissing(right)) { + return undefined; + } + symbol = getSymbol(getExportsOfSymbol(namespace), right.text, meaning); + if (!symbol) { + if (!ignoreErrors) { + error(right, ts.Diagnostics.Module_0_has_no_exported_member_1, getFullyQualifiedName(namespace), ts.declarationNameToString(right)); + } + return undefined; + } + } + else { + ts.Debug.fail("Unknown entity name kind."); + } + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0, "Should never get an instantiated symbol here."); + return symbol.flags & meaning ? symbol : resolveAlias(symbol); + } + function resolveExternalModuleName(location, moduleReferenceExpression) { + return resolveExternalModuleNameWorker(location, moduleReferenceExpression, ts.Diagnostics.Cannot_find_module_0); + } + function resolveExternalModuleNameWorker(location, moduleReferenceExpression, moduleNotFoundError) { + if (moduleReferenceExpression.kind !== 9 /* StringLiteral */) { + return; + } + var moduleReferenceLiteral = moduleReferenceExpression; + // Module names are escaped in our symbol table. However, string literal values aren't. + // Escape the name in the "require(...)" clause to ensure we find the right symbol. + var moduleName = ts.escapeIdentifier(moduleReferenceLiteral.text); + if (moduleName === undefined) { + return; + } + var isRelative = ts.isExternalModuleNameRelative(moduleName); + if (!isRelative) { + var symbol = getSymbol(globals, "\"" + moduleName + "\"", 512 /* ValueModule */); + if (symbol) { + // merged symbol is module declaration symbol combined with all augmentations + return getMergedSymbol(symbol); + } + } + var resolvedModule = ts.getResolvedModule(ts.getSourceFileOfNode(location), moduleReferenceLiteral.text); + var sourceFile = resolvedModule && host.getSourceFile(resolvedModule.resolvedFileName); + if (sourceFile) { + if (sourceFile.symbol) { + // merged symbol is module declaration symbol combined with all augmentations + return getMergedSymbol(sourceFile.symbol); + } + if (moduleNotFoundError) { + // report errors only if it was requested + error(moduleReferenceLiteral, ts.Diagnostics.File_0_is_not_a_module, sourceFile.fileName); + } + return undefined; + } + if (moduleNotFoundError) { + // report errors only if it was requested + error(moduleReferenceLiteral, moduleNotFoundError, moduleName); + } + return undefined; + } + // An external module with an 'export =' declaration resolves to the target of the 'export =' declaration, + // and an external module with no 'export =' declaration resolves to the module itself. + function resolveExternalModuleSymbol(moduleSymbol) { + return moduleSymbol && getMergedSymbol(resolveSymbol(moduleSymbol.exports["export="])) || moduleSymbol; + } + // An external module with an 'export =' declaration may be referenced as an ES6 module provided the 'export =' + // references a symbol that is at least declared as a module or a variable. The target of the 'export =' may + // combine other declarations with the module or variable (e.g. a class/module, function/module, interface/variable). + function resolveESModuleSymbol(moduleSymbol, moduleReferenceExpression) { + var symbol = resolveExternalModuleSymbol(moduleSymbol); + if (symbol && !(symbol.flags & (1536 /* Module */ | 3 /* Variable */))) { + error(moduleReferenceExpression, ts.Diagnostics.Module_0_resolves_to_a_non_module_entity_and_cannot_be_imported_using_this_construct, symbolToString(moduleSymbol)); + symbol = undefined; + } + return symbol; + } + function hasExportAssignmentSymbol(moduleSymbol) { + return moduleSymbol.exports["export="] !== undefined; + } + function getExportsOfModuleAsArray(moduleSymbol) { + return symbolsToArray(getExportsOfModule(moduleSymbol)); + } + function getExportsOfSymbol(symbol) { + return symbol.flags & 1536 /* Module */ ? getExportsOfModule(symbol) : symbol.exports || emptySymbols; + } + function getExportsOfModule(moduleSymbol) { + var links = getSymbolLinks(moduleSymbol); + return links.resolvedExports || (links.resolvedExports = getExportsForModule(moduleSymbol)); + } + /** + * Extends one symbol table with another while collecting information on name collisions for error message generation into the `lookupTable` argument + * Not passing `lookupTable` and `exportNode` disables this collection, and just extends the tables + */ + function extendExportSymbols(target, source, lookupTable, exportNode) { + for (var id in source) { + if (id !== "default" && !ts.hasProperty(target, id)) { + target[id] = source[id]; + if (lookupTable && exportNode) { + lookupTable[id] = { + specifierText: ts.getTextOfNode(exportNode.moduleSpecifier) + }; + } + } + else if (lookupTable && exportNode && id !== "default" && ts.hasProperty(target, id) && resolveSymbol(target[id]) !== resolveSymbol(source[id])) { + if (!lookupTable[id].exportsWithDuplicate) { + lookupTable[id].exportsWithDuplicate = [exportNode]; + } + else { + lookupTable[id].exportsWithDuplicate.push(exportNode); + } + } + } + } + function getExportsForModule(moduleSymbol) { + var visitedSymbols = []; + return visit(moduleSymbol) || moduleSymbol.exports; + // The ES6 spec permits export * declarations in a module to circularly reference the module itself. For example, + // module 'a' can 'export * from "b"' and 'b' can 'export * from "a"' without error. + function visit(symbol) { + if (!(symbol && symbol.flags & 1952 /* HasExports */ && !ts.contains(visitedSymbols, symbol))) { + return; + } + visitedSymbols.push(symbol); + var symbols = cloneSymbolTable(symbol.exports); + // All export * declarations are collected in an __export symbol by the binder + var exportStars = symbol.exports["__export"]; + if (exportStars) { + var nestedSymbols = {}; + var lookupTable = {}; + for (var _i = 0, _a = exportStars.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + var resolvedModule = resolveExternalModuleName(node, node.moduleSpecifier); + var exportedSymbols = visit(resolvedModule); + extendExportSymbols(nestedSymbols, exportedSymbols, lookupTable, node); + } + for (var id in lookupTable) { + var exportsWithDuplicate = lookupTable[id].exportsWithDuplicate; + // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself + if (id === "export=" || !(exportsWithDuplicate && exportsWithDuplicate.length) || ts.hasProperty(symbols, id)) { + continue; + } + for (var _b = 0, exportsWithDuplicate_1 = exportsWithDuplicate; _b < exportsWithDuplicate_1.length; _b++) { + var node = exportsWithDuplicate_1[_b]; + diagnostics.add(ts.createDiagnosticForNode(node, ts.Diagnostics.Module_0_has_already_exported_a_member_named_1_Consider_explicitly_re_exporting_to_resolve_the_ambiguity, lookupTable[id].specifierText, id)); + } + } + extendExportSymbols(symbols, nestedSymbols); + } + return symbols; + } + } + function getMergedSymbol(symbol) { + var merged; + return symbol && symbol.mergeId && (merged = mergedSymbols[symbol.mergeId]) ? merged : symbol; + } + function getSymbolOfNode(node) { + return getMergedSymbol(node.symbol); + } + function getParentOfSymbol(symbol) { + return getMergedSymbol(symbol.parent); + } + function getExportSymbolOfValueSymbolIfExported(symbol) { + return symbol && (symbol.flags & 1048576 /* ExportValue */) !== 0 + ? getMergedSymbol(symbol.exportSymbol) + : symbol; + } + function symbolIsValue(symbol) { + // If it is an instantiated symbol, then it is a value if the symbol it is an + // instantiation of is a value. + if (symbol.flags & 16777216 /* Instantiated */) { + return symbolIsValue(getSymbolLinks(symbol).target); + } + // If the symbol has the value flag, it is trivially a value. + if (symbol.flags & 107455 /* Value */) { + return true; + } + // If it is an alias, then it is a value if the symbol it resolves to is a value. + if (symbol.flags & 8388608 /* Alias */) { + return (resolveAlias(symbol).flags & 107455 /* Value */) !== 0; + } + return false; + } + function findConstructorDeclaration(node) { + var members = node.members; + for (var _i = 0, members_1 = members; _i < members_1.length; _i++) { + var member = members_1[_i]; + if (member.kind === 145 /* Constructor */ && ts.nodeIsPresent(member.body)) { + return member; + } + } + } + function createType(flags) { + var result = new Type(checker, flags); + result.id = typeCount; + typeCount++; + return result; + } + function createIntrinsicType(kind, intrinsicName) { + var type = createType(kind); + type.intrinsicName = intrinsicName; + return type; + } + function createObjectType(kind, symbol) { + var type = createType(kind); + type.symbol = symbol; + return type; + } + // A reserved member name starts with two underscores, but the third character cannot be an underscore + // or the @ symbol. A third underscore indicates an escaped form of an identifer that started + // with at least two underscores. The @ character indicates that the name is denoted by a well known ES + // Symbol instance. + function isReservedMemberName(name) { + return name.charCodeAt(0) === 95 /* _ */ && + name.charCodeAt(1) === 95 /* _ */ && + name.charCodeAt(2) !== 95 /* _ */ && + name.charCodeAt(2) !== 64 /* at */; + } + function getNamedMembers(members) { + var result; + for (var id in members) { + if (ts.hasProperty(members, id)) { + if (!isReservedMemberName(id)) { + if (!result) + result = []; + var symbol = members[id]; + if (symbolIsValue(symbol)) { + result.push(symbol); + } + } + } + } + return result || emptyArray; + } + function setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + type.members = members; + type.properties = getNamedMembers(members); + type.callSignatures = callSignatures; + type.constructSignatures = constructSignatures; + if (stringIndexType) + type.stringIndexType = stringIndexType; + if (numberIndexType) + type.numberIndexType = numberIndexType; + return type; + } + function createAnonymousType(symbol, members, callSignatures, constructSignatures, stringIndexType, numberIndexType) { + return setObjectTypeMembers(createObjectType(65536 /* Anonymous */, symbol), members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function forEachSymbolTableInScope(enclosingDeclaration, callback) { + var result; + for (var location_1 = enclosingDeclaration; location_1; location_1 = location_1.parent) { + // Locals of a source file are not in scope (because they get merged into the global symbol table) + if (location_1.locals && !isGlobalSourceFile(location_1)) { + if (result = callback(location_1.locals)) { + return result; + } + } + switch (location_1.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location_1)) { + break; + } + case 221 /* ModuleDeclaration */: + if (result = callback(getSymbolOfNode(location_1).exports)) { + return result; + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + if (result = callback(getSymbolOfNode(location_1).members)) { + return result; + } + break; + } + } + return callback(globals); + } + function getQualifiedLeftMeaning(rightMeaning) { + // If we are looking in value space, the parent meaning is value, other wise it is namespace + return rightMeaning === 107455 /* Value */ ? 107455 /* Value */ : 1536 /* Namespace */; + } + function getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, useOnlyExternalAliasing) { + function getAccessibleSymbolChainFromSymbolTable(symbols) { + function canQualifySymbol(symbolFromSymbolTable, meaning) { + // If the symbol is equivalent and doesn't need further qualification, this symbol is accessible + if (!needsQualification(symbolFromSymbolTable, enclosingDeclaration, meaning)) { + return true; + } + // If symbol needs qualification, make sure that parent is accessible, if it is then this symbol is accessible too + var accessibleParent = getAccessibleSymbolChain(symbolFromSymbolTable.parent, enclosingDeclaration, getQualifiedLeftMeaning(meaning), useOnlyExternalAliasing); + return !!accessibleParent; + } + function isAccessible(symbolFromSymbolTable, resolvedAliasSymbol) { + if (symbol === (resolvedAliasSymbol || symbolFromSymbolTable)) { + // if the symbolFromSymbolTable is not external module (it could be if it was determined as ambient external module and would be in globals table) + // and if symbolfrom symbolTable or alias resolution matches the symbol, + // check the symbol can be qualified, it is only then this symbol is accessible + return !ts.forEach(symbolFromSymbolTable.declarations, hasExternalModuleSymbol) && + canQualifySymbol(symbolFromSymbolTable, meaning); + } + } + // If symbol is directly available by its name in the symbol table + if (isAccessible(ts.lookUp(symbols, symbol.name))) { + return [symbol]; + } + // Check if symbol is any of the alias + return ts.forEachValue(symbols, function (symbolFromSymbolTable) { + if (symbolFromSymbolTable.flags & 8388608 /* Alias */ + && symbolFromSymbolTable.name !== "export=" + && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) { + if (!useOnlyExternalAliasing || + // Is this external alias, then use it to name + ts.forEach(symbolFromSymbolTable.declarations, ts.isExternalModuleImportEqualsDeclaration)) { + var resolvedImportedSymbol = resolveAlias(symbolFromSymbolTable); + if (isAccessible(symbolFromSymbolTable, resolveAlias(symbolFromSymbolTable))) { + return [symbolFromSymbolTable]; + } + // Look in the exported members, if we can find accessibleSymbolChain, symbol is accessible using this chain + // but only if the symbolFromSymbolTable can be qualified + var accessibleSymbolsFromExports = resolvedImportedSymbol.exports ? getAccessibleSymbolChainFromSymbolTable(resolvedImportedSymbol.exports) : undefined; + if (accessibleSymbolsFromExports && canQualifySymbol(symbolFromSymbolTable, getQualifiedLeftMeaning(meaning))) { + return [symbolFromSymbolTable].concat(accessibleSymbolsFromExports); + } + } + } + }); + } + if (symbol) { + return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable); + } + } + function needsQualification(symbol, enclosingDeclaration, meaning) { + var qualify = false; + forEachSymbolTableInScope(enclosingDeclaration, function (symbolTable) { + // If symbol of this name is not available in the symbol table we are ok + if (!ts.hasProperty(symbolTable, symbol.name)) { + // Continue to the next symbol table + return false; + } + // If the symbol with this name is present it should refer to the symbol + var symbolFromSymbolTable = symbolTable[symbol.name]; + if (symbolFromSymbolTable === symbol) { + // No need to qualify + return true; + } + // Qualify if the symbol from symbol table has same meaning as expected + symbolFromSymbolTable = (symbolFromSymbolTable.flags & 8388608 /* Alias */ && !ts.getDeclarationOfKind(symbolFromSymbolTable, 233 /* ExportSpecifier */)) ? resolveAlias(symbolFromSymbolTable) : symbolFromSymbolTable; + if (symbolFromSymbolTable.flags & meaning) { + qualify = true; + return true; + } + // Continue to the next symbol table + return false; + }); + return qualify; + } + function isSymbolAccessible(symbol, enclosingDeclaration, meaning) { + if (symbol && enclosingDeclaration && !(symbol.flags & 262144 /* TypeParameter */)) { + var initialSymbol = symbol; + var meaningToLook = meaning; + while (symbol) { + // Symbol is accessible if it by itself is accessible + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaningToLook, /*useOnlyExternalAliasing*/ false); + if (accessibleSymbolChain) { + var hasAccessibleDeclarations = hasVisibleDeclarations(accessibleSymbolChain[0]); + if (!hasAccessibleDeclarations) { + return { + accessibility: 1 /* NotAccessible */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbol !== initialSymbol ? symbolToString(symbol, enclosingDeclaration, 1536 /* Namespace */) : undefined + }; + } + return hasAccessibleDeclarations; + } + // If we haven't got the accessible symbol, it doesn't mean the symbol is actually inaccessible. + // It could be a qualified symbol and hence verify the path + // e.g.: + // module m { + // export class c { + // } + // } + // const x: typeof m.c + // In the above example when we start with checking if typeof m.c symbol is accessible, + // we are going to see if c can be accessed in scope directly. + // But it can't, hence the accessible is going to be undefined, but that doesn't mean m.c is inaccessible + // It is accessible if the parent m is accessible because then m.c can be accessed through qualification + meaningToLook = getQualifiedLeftMeaning(meaning); + symbol = getParentOfSymbol(symbol); + } + // This could be a symbol that is not exported in the external module + // or it could be a symbol from different external module that is not aliased and hence cannot be named + var symbolExternalModule = ts.forEach(initialSymbol.declarations, getExternalModuleContainer); + if (symbolExternalModule) { + var enclosingExternalModule = getExternalModuleContainer(enclosingDeclaration); + if (symbolExternalModule !== enclosingExternalModule) { + // name from different external module that is not visible + return { + accessibility: 2 /* CannotBeNamed */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning), + errorModuleName: symbolToString(symbolExternalModule) + }; + } + } + // Just a local name that is not accessible + return { + accessibility: 1 /* NotAccessible */, + errorSymbolName: symbolToString(initialSymbol, enclosingDeclaration, meaning) + }; + } + return { accessibility: 0 /* Accessible */ }; + function getExternalModuleContainer(declaration) { + for (; declaration; declaration = declaration.parent) { + if (hasExternalModuleSymbol(declaration)) { + return getSymbolOfNode(declaration); + } + } + } + } + function hasExternalModuleSymbol(declaration) { + return ts.isAmbientModule(declaration) || (declaration.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(declaration)); + } + function hasVisibleDeclarations(symbol) { + var aliasesToMakeVisible; + if (ts.forEach(symbol.declarations, function (declaration) { return !getIsDeclarationVisible(declaration); })) { + return undefined; + } + return { accessibility: 0 /* Accessible */, aliasesToMakeVisible: aliasesToMakeVisible }; + function getIsDeclarationVisible(declaration) { + if (!isDeclarationVisible(declaration)) { + // Mark the unexported alias as visible if its parent is visible + // because these kind of aliases can be used to name types in declaration file + var anyImportSyntax = getAnyImportSyntax(declaration); + if (anyImportSyntax && + !(anyImportSyntax.flags & 2 /* Export */) && + isDeclarationVisible(anyImportSyntax.parent)) { + getNodeLinks(declaration).isVisible = true; + if (aliasesToMakeVisible) { + if (!ts.contains(aliasesToMakeVisible, anyImportSyntax)) { + aliasesToMakeVisible.push(anyImportSyntax); + } + } + else { + aliasesToMakeVisible = [anyImportSyntax]; + } + return true; + } + // Declaration is not visible + return false; + } + return true; + } + } + function isEntityNameVisible(entityName, enclosingDeclaration) { + // get symbol of the first identifier of the entityName + var meaning; + if (entityName.parent.kind === 155 /* TypeQuery */) { + // Typeof value + meaning = 107455 /* Value */ | 1048576 /* ExportValue */; + } + else if (entityName.kind === 136 /* QualifiedName */ || entityName.kind === 169 /* PropertyAccessExpression */ || + entityName.parent.kind === 224 /* ImportEqualsDeclaration */) { + // Left identifier from type reference or TypeAlias + // Entity name of the import declaration + meaning = 1536 /* Namespace */; + } + else { + // Type Reference or TypeAlias entity = Identifier + meaning = 793056 /* Type */; + } + var firstIdentifier = getFirstIdentifier(entityName); + var symbol = resolveName(enclosingDeclaration, firstIdentifier.text, meaning, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); + // Verify if the symbol is accessible + return (symbol && hasVisibleDeclarations(symbol)) || { + accessibility: 1 /* NotAccessible */, + errorSymbolName: ts.getTextOfNode(firstIdentifier), + errorNode: firstIdentifier + }; + } + function writeKeyword(writer, kind) { + writer.writeKeyword(ts.tokenToString(kind)); + } + function writePunctuation(writer, kind) { + writer.writePunctuation(ts.tokenToString(kind)); + } + function writeSpace(writer) { + writer.writeSpace(" "); + } + function symbolToString(symbol, enclosingDeclaration, meaning) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function signatureToString(signature, enclosingDeclaration, flags, kind) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function typeToString(type, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + var maxLength = compilerOptions.noErrorTruncation || flags & 4 /* NoTruncation */ ? undefined : 100; + if (maxLength && result.length >= maxLength) { + result = result.substr(0, maxLength - "...".length) + "..."; + } + return result; + } + function typePredicateToString(typePredicate, enclosingDeclaration, flags) { + var writer = ts.getSingleLineStringWriter(); + getSymbolDisplayBuilder().buildTypePredicateDisplay(typePredicate, writer, enclosingDeclaration, flags); + var result = writer.string(); + ts.releaseStringWriter(writer); + return result; + } + function getTypeAliasForTypeLiteral(type) { + if (type.symbol && type.symbol.flags & 2048 /* TypeLiteral */) { + var node = type.symbol.declarations[0].parent; + while (node.kind === 161 /* ParenthesizedType */) { + node = node.parent; + } + if (node.kind === 219 /* TypeAliasDeclaration */) { + return getSymbolOfNode(node); + } + } + return undefined; + } + function isTopLevelInExternalModuleAugmentation(node) { + return node && node.parent && + node.parent.kind === 222 /* ModuleBlock */ && + ts.isExternalModuleAugmentation(node.parent.parent); + } + function getSymbolDisplayBuilder() { + function getNameOfSymbol(symbol) { + if (symbol.declarations && symbol.declarations.length) { + var declaration = symbol.declarations[0]; + if (declaration.name) { + return ts.declarationNameToString(declaration.name); + } + switch (declaration.kind) { + case 189 /* ClassExpression */: + return "(Anonymous class)"; + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return "(Anonymous function)"; + } + } + return symbol.name; + } + /** + * Writes only the name of the symbol out to the writer. Uses the original source text + * for the name of the symbol if it is available to match how the user inputted the name. + */ + function appendSymbolNameOnly(symbol, writer) { + writer.writeSymbol(getNameOfSymbol(symbol), symbol); + } + /** + * Enclosing declaration is optional when we don't want to get qualified name in the enclosing declaration scope + * Meaning needs to be specified if the enclosing declaration is given + */ + function buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags, typeFlags) { + var parentSymbol; + function appendParentTypeArgumentsAndSymbolName(symbol) { + if (parentSymbol) { + // Write type arguments of instantiated class/interface here + if (flags & 1 /* WriteTypeParametersOrArguments */) { + if (symbol.flags & 16777216 /* Instantiated */) { + buildDisplayForTypeArgumentsAndDelimiters(getTypeParametersOfClassOrInterface(parentSymbol), symbol.mapper, writer, enclosingDeclaration); + } + else { + buildTypeParameterDisplayFromSymbol(parentSymbol, writer, enclosingDeclaration); + } + } + writePunctuation(writer, 21 /* DotToken */); + } + parentSymbol = symbol; + appendSymbolNameOnly(symbol, writer); + } + // const the writer know we just wrote out a symbol. The declaration emitter writer uses + // this to determine if an import it has previously seen (and not written out) needs + // to be written to the file once the walk of the tree is complete. + // + // NOTE(cyrusn): This approach feels somewhat unfortunate. A simple pass over the tree + // up front (for example, during checking) could determine if we need to emit the imports + // and we could then access that data during declaration emit. + writer.trackSymbol(symbol, enclosingDeclaration, meaning); + function walkSymbol(symbol, meaning) { + if (symbol) { + var accessibleSymbolChain = getAccessibleSymbolChain(symbol, enclosingDeclaration, meaning, !!(flags & 2 /* UseOnlyExternalAliasing */)); + if (!accessibleSymbolChain || + needsQualification(accessibleSymbolChain[0], enclosingDeclaration, accessibleSymbolChain.length === 1 ? meaning : getQualifiedLeftMeaning(meaning))) { + // Go up and add our parent. + walkSymbol(getParentOfSymbol(accessibleSymbolChain ? accessibleSymbolChain[0] : symbol), getQualifiedLeftMeaning(meaning)); + } + if (accessibleSymbolChain) { + for (var _i = 0, accessibleSymbolChain_1 = accessibleSymbolChain; _i < accessibleSymbolChain_1.length; _i++) { + var accessibleSymbol = accessibleSymbolChain_1[_i]; + appendParentTypeArgumentsAndSymbolName(accessibleSymbol); + } + } + else { + // If we didn't find accessible symbol chain for this symbol, break if this is external module + if (!parentSymbol && ts.forEach(symbol.declarations, hasExternalModuleSymbol)) { + return; + } + // if this is anonymous type break + if (symbol.flags & 2048 /* TypeLiteral */ || symbol.flags & 4096 /* ObjectLiteral */) { + return; + } + appendParentTypeArgumentsAndSymbolName(symbol); + } + } + } + // Get qualified name if the symbol is not a type parameter + // and there is an enclosing declaration or we specifically + // asked for it + var isTypeParameter = symbol.flags & 262144 /* TypeParameter */; + var typeFormatFlag = 128 /* UseFullyQualifiedType */ & typeFlags; + if (!isTypeParameter && (enclosingDeclaration || typeFormatFlag)) { + walkSymbol(symbol, meaning); + return; + } + return appendParentTypeArgumentsAndSymbolName(symbol); + } + function buildTypeDisplay(type, writer, enclosingDeclaration, globalFlags, symbolStack) { + var globalFlagsToPass = globalFlags & 16 /* WriteOwnNameForAnyLike */; + var inObjectTypeLiteral = false; + return writeType(type, globalFlags); + function writeType(type, flags) { + // Write undefined/null type as any + if (type.flags & 16777343 /* Intrinsic */) { + // Special handling for unknown / resolving types, they should show up as any and not unknown or __resolving + writer.writeKeyword(!(globalFlags & 16 /* WriteOwnNameForAnyLike */) && isTypeAny(type) + ? "any" + : type.intrinsicName); + } + else if (type.flags & 33554432 /* ThisType */) { + if (inObjectTypeLiteral) { + writer.reportInaccessibleThisError(); + } + writer.writeKeyword("this"); + } + else if (type.flags & 4096 /* Reference */) { + writeTypeReference(type, flags); + } + else if (type.flags & (1024 /* Class */ | 2048 /* Interface */ | 128 /* Enum */ | 512 /* TypeParameter */)) { + // The specified symbol flags need to be reinterpreted as type flags + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + else if (type.flags & 8192 /* Tuple */) { + writeTupleType(type); + } + else if (type.flags & 49152 /* UnionOrIntersection */) { + writeUnionOrIntersectionType(type, flags); + } + else if (type.flags & 65536 /* Anonymous */) { + writeAnonymousType(type, flags); + } + else if (type.flags & 256 /* StringLiteral */) { + writer.writeStringLiteral("\"" + ts.escapeString(type.text) + "\""); + } + else { + // Should never get here + // { ... } + writePunctuation(writer, 15 /* OpenBraceToken */); + writeSpace(writer); + writePunctuation(writer, 22 /* DotDotDotToken */); + writeSpace(writer); + writePunctuation(writer, 16 /* CloseBraceToken */); + } + } + function writeTypeList(types, delimiter) { + for (var i = 0; i < types.length; i++) { + if (i > 0) { + if (delimiter !== 24 /* CommaToken */) { + writeSpace(writer); + } + writePunctuation(writer, delimiter); + writeSpace(writer); + } + writeType(types[i], delimiter === 24 /* CommaToken */ ? 0 /* None */ : 64 /* InElementType */); + } + } + function writeSymbolTypeReference(symbol, typeArguments, pos, end, flags) { + // Unnamed function expressions and arrow functions have reserved names that we don't want to display + if (symbol.flags & 32 /* Class */ || !isReservedMemberName(symbol.name)) { + buildSymbolDisplay(symbol, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + if (pos < end) { + writePunctuation(writer, 25 /* LessThanToken */); + writeType(typeArguments[pos], 0 /* None */); + pos++; + while (pos < end) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + writeType(typeArguments[pos], 0 /* None */); + pos++; + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function writeTypeReference(type, flags) { + var typeArguments = type.typeArguments || emptyArray; + if (type.target === globalArrayType && !(flags & 1 /* WriteArrayAsGenericType */)) { + writeType(typeArguments[0], 64 /* InElementType */); + writePunctuation(writer, 19 /* OpenBracketToken */); + writePunctuation(writer, 20 /* CloseBracketToken */); + } + else { + // Write the type reference in the format f.g.C where A and B are type arguments + // for outer type parameters, and f and g are the respective declaring containers of those + // type parameters. + var outerTypeParameters = type.target.outerTypeParameters; + var i = 0; + if (outerTypeParameters) { + var length_1 = outerTypeParameters.length; + while (i < length_1) { + // Find group of type arguments for type parameters with the same declaring container. + var start = i; + var parent_4 = getParentSymbolOfTypeParameter(outerTypeParameters[i]); + do { + i++; + } while (i < length_1 && getParentSymbolOfTypeParameter(outerTypeParameters[i]) === parent_4); + // When type parameters are their own type arguments for the whole group (i.e. we have + // the default outer type arguments), we don't show the group. + if (!ts.rangeEquals(outerTypeParameters, typeArguments, start, i)) { + writeSymbolTypeReference(parent_4, typeArguments, start, i, flags); + writePunctuation(writer, 21 /* DotToken */); + } + } + } + var typeParameterCount = (type.target.typeParameters || emptyArray).length; + writeSymbolTypeReference(type.symbol, typeArguments, i, typeParameterCount, flags); + } + } + function writeTupleType(type) { + writePunctuation(writer, 19 /* OpenBracketToken */); + writeTypeList(type.elementTypes, 24 /* CommaToken */); + writePunctuation(writer, 20 /* CloseBracketToken */); + } + function writeUnionOrIntersectionType(type, flags) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + writeTypeList(type.types, type.flags & 16384 /* Union */ ? 47 /* BarToken */ : 46 /* AmpersandToken */); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + } + function writeAnonymousType(type, flags) { + var symbol = type.symbol; + if (symbol) { + // Always use 'typeof T' for type of class, enum, and module objects + if (symbol.flags & (32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { + writeTypeofSymbol(type, flags); + } + else if (shouldWriteTypeOfFunctionSymbol()) { + writeTypeofSymbol(type, flags); + } + else if (ts.contains(symbolStack, symbol)) { + // If type is an anonymous type literal in a type alias declaration, use type alias name + var typeAlias = getTypeAliasForTypeLiteral(type); + if (typeAlias) { + // The specified symbol flags need to be reinterpreted as type flags + buildSymbolDisplay(typeAlias, writer, enclosingDeclaration, 793056 /* Type */, 0 /* None */, flags); + } + else { + // Recursive usage, use any + writeKeyword(writer, 117 /* AnyKeyword */); + } + } + else { + // Since instantiations of the same anonymous type have the same symbol, tracking symbols instead + // of types allows us to catch circular references to instantiations of the same anonymous type + if (!symbolStack) { + symbolStack = []; + } + symbolStack.push(symbol); + writeLiteralType(type, flags); + symbolStack.pop(); + } + } + else { + // Anonymous types with no symbol are never circular + writeLiteralType(type, flags); + } + function shouldWriteTypeOfFunctionSymbol() { + var isStaticMethodSymbol = !!(symbol.flags & 8192 /* Method */ && + ts.forEach(symbol.declarations, function (declaration) { return declaration.flags & 64 /* Static */; })); + var isNonLocalFunctionSymbol = !!(symbol.flags & 16 /* Function */) && + (symbol.parent || + ts.forEach(symbol.declarations, function (declaration) { + return declaration.parent.kind === 251 /* SourceFile */ || declaration.parent.kind === 222 /* ModuleBlock */; + })); + if (isStaticMethodSymbol || isNonLocalFunctionSymbol) { + // typeof is allowed only for static/non local functions + return !!(flags & 2 /* UseTypeOfFunction */) || + (ts.contains(symbolStack, symbol)); // it is type of the symbol uses itself recursively + } + } + } + function writeTypeofSymbol(type, typeFormatFlags) { + writeKeyword(writer, 101 /* TypeOfKeyword */); + writeSpace(writer); + buildSymbolDisplay(type.symbol, writer, enclosingDeclaration, 107455 /* Value */, 0 /* None */, typeFormatFlags); + } + function getIndexerParameterName(type, indexKind, fallbackName) { + var declaration = getIndexDeclarationOfSymbol(type.symbol, indexKind); + if (!declaration) { + // declaration might not be found if indexer was added from the contextual type. + // in this case use fallback name + return fallbackName; + } + ts.Debug.assert(declaration.parameters.length !== 0); + return ts.declarationNameToString(declaration.parameters[0].name); + } + function writeLiteralType(type, flags) { + var resolved = resolveStructuredTypeMembers(type); + if (!resolved.properties.length && !resolved.stringIndexType && !resolved.numberIndexType) { + if (!resolved.callSignatures.length && !resolved.constructSignatures.length) { + writePunctuation(writer, 15 /* OpenBraceToken */); + writePunctuation(writer, 16 /* CloseBraceToken */); + return; + } + if (resolved.callSignatures.length === 1 && !resolved.constructSignatures.length) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + buildSignatureDisplay(resolved.callSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + return; + } + if (resolved.constructSignatures.length === 1 && !resolved.callSignatures.length) { + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 17 /* OpenParenToken */); + } + writeKeyword(writer, 92 /* NewKeyword */); + writeSpace(writer); + buildSignatureDisplay(resolved.constructSignatures[0], writer, enclosingDeclaration, globalFlagsToPass | 8 /* WriteArrowStyleSignature */, /*kind*/ undefined, symbolStack); + if (flags & 64 /* InElementType */) { + writePunctuation(writer, 18 /* CloseParenToken */); + } + return; + } + } + var saveInObjectTypeLiteral = inObjectTypeLiteral; + inObjectTypeLiteral = true; + writePunctuation(writer, 15 /* OpenBraceToken */); + writer.writeLine(); + writer.increaseIndent(); + for (var _i = 0, _a = resolved.callSignatures; _i < _a.length; _i++) { + var signature = _a[_i]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + for (var _b = 0, _c = resolved.constructSignatures; _b < _c.length; _b++) { + var signature = _c[_b]; + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, 1 /* Construct */, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + if (resolved.stringIndexType) { + // [x: string]: + writePunctuation(writer, 19 /* OpenBracketToken */); + writer.writeParameter(getIndexerParameterName(resolved, 0 /* String */, /*fallbackName*/ "x")); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeKeyword(writer, 130 /* StringKeyword */); + writePunctuation(writer, 20 /* CloseBracketToken */); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(resolved.stringIndexType, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + if (resolved.numberIndexType) { + // [x: number]: + writePunctuation(writer, 19 /* OpenBracketToken */); + writer.writeParameter(getIndexerParameterName(resolved, 1 /* Number */, /*fallbackName*/ "x")); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeKeyword(writer, 128 /* NumberKeyword */); + writePunctuation(writer, 20 /* CloseBracketToken */); + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(resolved.numberIndexType, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + for (var _d = 0, _e = resolved.properties; _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (p.flags & (16 /* Function */ | 8192 /* Method */) && !getPropertiesOfObjectType(t).length) { + var signatures = getSignaturesOfType(t, 0 /* Call */); + for (var _f = 0, signatures_1 = signatures; _f < signatures_1.length; _f++) { + var signature = signatures_1[_f]; + buildSymbolDisplay(p, writer); + if (p.flags & 536870912 /* Optional */) { + writePunctuation(writer, 53 /* QuestionToken */); + } + buildSignatureDisplay(signature, writer, enclosingDeclaration, globalFlagsToPass, /*kind*/ undefined, symbolStack); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + } + else { + buildSymbolDisplay(p, writer); + if (p.flags & 536870912 /* Optional */) { + writePunctuation(writer, 53 /* QuestionToken */); + } + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + writeType(t, 0 /* None */); + writePunctuation(writer, 23 /* SemicolonToken */); + writer.writeLine(); + } + } + writer.decreaseIndent(); + writePunctuation(writer, 16 /* CloseBraceToken */); + inObjectTypeLiteral = saveInObjectTypeLiteral; + } + } + function buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration, flags) { + var targetSymbol = getTargetSymbol(symbol); + if (targetSymbol.flags & 32 /* Class */ || targetSymbol.flags & 64 /* Interface */ || targetSymbol.flags & 524288 /* TypeAlias */) { + buildDisplayForTypeParametersAndDelimiters(getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol), writer, enclosingDeclaration, flags); + } + } + function buildTypeParameterDisplay(tp, writer, enclosingDeclaration, flags, symbolStack) { + appendSymbolNameOnly(tp.symbol, writer); + var constraint = getConstraintOfTypeParameter(tp); + if (constraint) { + writeSpace(writer); + writeKeyword(writer, 83 /* ExtendsKeyword */); + writeSpace(writer); + buildTypeDisplay(constraint, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildParameterDisplay(p, writer, enclosingDeclaration, flags, symbolStack) { + var parameterNode = p.valueDeclaration; + if (ts.isRestParameter(parameterNode)) { + writePunctuation(writer, 22 /* DotDotDotToken */); + } + appendSymbolNameOnly(p, writer); + if (isOptionalParameter(parameterNode)) { + writePunctuation(writer, 53 /* QuestionToken */); + } + writePunctuation(writer, 54 /* ColonToken */); + writeSpace(writer); + buildTypeDisplay(getTypeOfSymbol(p), writer, enclosingDeclaration, flags, symbolStack); + } + function buildDisplayForTypeParametersAndDelimiters(typeParameters, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25 /* LessThanToken */); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildTypeParameterDisplay(typeParameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function buildDisplayForTypeArgumentsAndDelimiters(typeParameters, mapper, writer, enclosingDeclaration, flags, symbolStack) { + if (typeParameters && typeParameters.length) { + writePunctuation(writer, 25 /* LessThanToken */); + for (var i = 0; i < typeParameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildTypeDisplay(mapper(typeParameters[i]), writer, enclosingDeclaration, 0 /* None */); + } + writePunctuation(writer, 27 /* GreaterThanToken */); + } + } + function buildDisplayForParametersAndDelimiters(parameters, writer, enclosingDeclaration, flags, symbolStack) { + writePunctuation(writer, 17 /* OpenParenToken */); + for (var i = 0; i < parameters.length; i++) { + if (i > 0) { + writePunctuation(writer, 24 /* CommaToken */); + writeSpace(writer); + } + buildParameterDisplay(parameters[i], writer, enclosingDeclaration, flags, symbolStack); + } + writePunctuation(writer, 18 /* CloseParenToken */); + } + function buildTypePredicateDisplay(predicate, writer, enclosingDeclaration, flags, symbolStack) { + if (ts.isIdentifierTypePredicate(predicate)) { + writer.writeParameter(predicate.parameterName); + } + else { + writeKeyword(writer, 97 /* ThisKeyword */); + } + writeSpace(writer); + writeKeyword(writer, 124 /* IsKeyword */); + writeSpace(writer); + buildTypeDisplay(predicate.type, writer, enclosingDeclaration, flags, symbolStack); + } + function buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack) { + if (flags & 8 /* WriteArrowStyleSignature */) { + writeSpace(writer); + writePunctuation(writer, 34 /* EqualsGreaterThanToken */); + } + else { + writePunctuation(writer, 54 /* ColonToken */); + } + writeSpace(writer); + if (signature.typePredicate) { + buildTypePredicateDisplay(signature.typePredicate, writer, enclosingDeclaration, flags, symbolStack); + } + else { + var returnType = getReturnTypeOfSignature(signature); + buildTypeDisplay(returnType, writer, enclosingDeclaration, flags, symbolStack); + } + } + function buildSignatureDisplay(signature, writer, enclosingDeclaration, flags, kind, symbolStack) { + if (kind === 1 /* Construct */) { + writeKeyword(writer, 92 /* NewKeyword */); + writeSpace(writer); + } + if (signature.target && (flags & 32 /* WriteTypeArgumentsOfSignature */)) { + // Instantiated signature, write type arguments instead + // This is achieved by passing in the mapper separately + buildDisplayForTypeArgumentsAndDelimiters(signature.target.typeParameters, signature.mapper, writer, enclosingDeclaration); + } + else { + buildDisplayForTypeParametersAndDelimiters(signature.typeParameters, writer, enclosingDeclaration, flags, symbolStack); + } + buildDisplayForParametersAndDelimiters(signature.parameters, writer, enclosingDeclaration, flags, symbolStack); + buildReturnTypeDisplay(signature, writer, enclosingDeclaration, flags, symbolStack); + } + return _displayBuilder || (_displayBuilder = { + buildSymbolDisplay: buildSymbolDisplay, + buildTypeDisplay: buildTypeDisplay, + buildTypeParameterDisplay: buildTypeParameterDisplay, + buildTypePredicateDisplay: buildTypePredicateDisplay, + buildParameterDisplay: buildParameterDisplay, + buildDisplayForParametersAndDelimiters: buildDisplayForParametersAndDelimiters, + buildDisplayForTypeParametersAndDelimiters: buildDisplayForTypeParametersAndDelimiters, + buildTypeParameterDisplayFromSymbol: buildTypeParameterDisplayFromSymbol, + buildSignatureDisplay: buildSignatureDisplay, + buildReturnTypeDisplay: buildReturnTypeDisplay + }); + } + function isDeclarationVisible(node) { + if (node) { + var links = getNodeLinks(node); + if (links.isVisible === undefined) { + links.isVisible = !!determineIfDeclarationIsVisible(); + } + return links.isVisible; + } + return false; + function determineIfDeclarationIsVisible() { + switch (node.kind) { + case 166 /* BindingElement */: + return isDeclarationVisible(node.parent.parent); + case 214 /* VariableDeclaration */: + if (ts.isBindingPattern(node.name) && + !node.name.elements.length) { + // If the binding pattern is empty, this variable declaration is not visible + return false; + } + // Otherwise fall through + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 216 /* FunctionDeclaration */: + case 220 /* EnumDeclaration */: + case 224 /* ImportEqualsDeclaration */: + // external module augmentation is always visible + if (ts.isExternalModuleAugmentation(node)) { + return true; + } + var parent_5 = getDeclarationContainer(node); + // If the node is not exported or it is not ambient module element (except import declaration) + if (!(ts.getCombinedNodeFlags(node) & 2 /* Export */) && + !(node.kind !== 224 /* ImportEqualsDeclaration */ && parent_5.kind !== 251 /* SourceFile */ && ts.isInAmbientContext(parent_5))) { + return isGlobalSourceFile(parent_5); + } + // Exported members/ambient module elements (exception import declaration) are visible if parent is visible + return isDeclarationVisible(parent_5); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.flags & (16 /* Private */ | 32 /* Protected */)) { + // Private/protected properties/methods are not visible + return false; + } + // Public properties/methods are visible if its parents are visible, so const it fall into next case statement + case 145 /* Constructor */: + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 150 /* IndexSignature */: + case 139 /* Parameter */: + case 222 /* ModuleBlock */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 156 /* TypeLiteral */: + case 152 /* TypeReference */: + case 157 /* ArrayType */: + case 158 /* TupleType */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + case 161 /* ParenthesizedType */: + return isDeclarationVisible(node.parent); + // Default binding, import specifier and namespace import is visible + // only on demand so by default it is not visible + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + return false; + // Type parameters are always visible + case 138 /* TypeParameter */: + // Source file is always visible + case 251 /* SourceFile */: + return true; + // Export assignments do not create name bindings outside the module + case 230 /* ExportAssignment */: + return false; + default: + ts.Debug.fail("isDeclarationVisible unknown: SyntaxKind: " + node.kind); + } + } + } + function collectLinkedAliases(node) { + var exportSymbol; + if (node.parent && node.parent.kind === 230 /* ExportAssignment */) { + exportSymbol = resolveName(node.parent, node.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, ts.Diagnostics.Cannot_find_name_0, node); + } + else if (node.parent.kind === 233 /* ExportSpecifier */) { + var exportSpecifier = node.parent; + exportSymbol = exportSpecifier.parent.parent.moduleSpecifier ? + getExternalModuleMember(exportSpecifier.parent.parent, exportSpecifier) : + resolveEntityName(exportSpecifier.propertyName || exportSpecifier.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + var result = []; + if (exportSymbol) { + buildVisibleNodeList(exportSymbol.declarations); + } + return result; + function buildVisibleNodeList(declarations) { + ts.forEach(declarations, function (declaration) { + getNodeLinks(declaration).isVisible = true; + var resultNode = getAnyImportSyntax(declaration) || declaration; + if (!ts.contains(result, resultNode)) { + result.push(resultNode); + } + if (ts.isInternalModuleImportEqualsDeclaration(declaration)) { + // Add the referenced top container visible + var internalModuleReference = declaration.moduleReference; + var firstIdentifier = getFirstIdentifier(internalModuleReference); + var importSymbol = resolveName(declaration, firstIdentifier.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */, ts.Diagnostics.Cannot_find_name_0, firstIdentifier); + if (importSymbol) { + buildVisibleNodeList(importSymbol.declarations); + } + } + }); + } + } + /** + * Push an entry on the type resolution stack. If an entry with the given target and the given property name + * is already on the stack, and no entries in between already have a type, then a circularity has occurred. + * In this case, the result values of the existing entry and all entries pushed after it are changed to false, + * and the value false is returned. Otherwise, the new entry is just pushed onto the stack, and true is returned. + * In order to see if the same query has already been done before, the target object and the propertyName both + * must match the one passed in. + * + * @param target The symbol, type, or signature whose type is being queried + * @param propertyName The property name that should be used to query the target for its type + */ + function pushTypeResolution(target, propertyName) { + var resolutionCycleStartIndex = findResolutionCycleStartIndex(target, propertyName); + if (resolutionCycleStartIndex >= 0) { + // A cycle was found + var length_2 = resolutionTargets.length; + for (var i = resolutionCycleStartIndex; i < length_2; i++) { + resolutionResults[i] = false; + } + return false; + } + resolutionTargets.push(target); + resolutionResults.push(/*items*/ true); + resolutionPropertyNames.push(propertyName); + return true; + } + function findResolutionCycleStartIndex(target, propertyName) { + for (var i = resolutionTargets.length - 1; i >= 0; i--) { + if (hasType(resolutionTargets[i], resolutionPropertyNames[i])) { + return -1; + } + if (resolutionTargets[i] === target && resolutionPropertyNames[i] === propertyName) { + return i; + } + } + return -1; + } + function hasType(target, propertyName) { + if (propertyName === 0 /* Type */) { + return getSymbolLinks(target).type; + } + if (propertyName === 2 /* DeclaredType */) { + return getSymbolLinks(target).declaredType; + } + if (propertyName === 1 /* ResolvedBaseConstructorType */) { + ts.Debug.assert(!!(target.flags & 1024 /* Class */)); + return target.resolvedBaseConstructorType; + } + if (propertyName === 3 /* ResolvedReturnType */) { + return target.resolvedReturnType; + } + ts.Debug.fail("Unhandled TypeSystemPropertyName " + propertyName); + } + // Pop an entry from the type resolution stack and return its associated result value. The result value will + // be true if no circularities were detected, or false if a circularity was found. + function popTypeResolution() { + resolutionTargets.pop(); + resolutionPropertyNames.pop(); + return resolutionResults.pop(); + } + function getDeclarationContainer(node) { + node = ts.getRootDeclaration(node); + while (node) { + switch (node.kind) { + case 214 /* VariableDeclaration */: + case 215 /* VariableDeclarationList */: + case 229 /* ImportSpecifier */: + case 228 /* NamedImports */: + case 227 /* NamespaceImport */: + case 226 /* ImportClause */: + node = node.parent; + break; + default: + return node.parent; + } + } + } + function getTypeOfPrototypeProperty(prototype) { + // TypeScript 1.0 spec (April 2014): 8.4 + // Every class automatically contains a static property member named 'prototype', + // the type of which is an instantiation of the class type with type Any supplied as a type argument for each type parameter. + // It is an error to explicitly declare a static property member with the name 'prototype'. + var classType = getDeclaredTypeOfSymbol(getParentOfSymbol(prototype)); + return classType.typeParameters ? createTypeReference(classType, ts.map(classType.typeParameters, function (_) { return anyType; })) : classType; + } + // Return the type of the given property in the given type, or undefined if no such property exists + function getTypeOfPropertyOfType(type, name) { + var prop = getPropertyOfType(type, name); + return prop ? getTypeOfSymbol(prop) : undefined; + } + function isTypeAny(type) { + return type && (type.flags & 1 /* Any */) !== 0; + } + // Return the type of a binding element parent. We check SymbolLinks first to see if a type has been + // assigned by contextual typing. + function getTypeForBindingElementParent(node) { + var symbol = getSymbolOfNode(node); + return symbol && getSymbolLinks(symbol).type || getTypeForVariableLikeDeclaration(node); + } + function getTextOfPropertyName(name) { + switch (name.kind) { + case 69 /* Identifier */: + return name.text; + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + return name.text; + case 137 /* ComputedPropertyName */: + if (ts.isStringOrNumericLiteral(name.expression.kind)) { + return name.expression.text; + } + } + return undefined; + } + function isComputedNonLiteralName(name) { + return name.kind === 137 /* ComputedPropertyName */ && !ts.isStringOrNumericLiteral(name.expression.kind); + } + // Return the inferred type for a binding element + function getTypeForBindingElement(declaration) { + var pattern = declaration.parent; + var parentType = getTypeForBindingElementParent(pattern.parent); + // If parent has the unknown (error) type, then so does this binding element + if (parentType === unknownType) { + return unknownType; + } + // If no type was specified or inferred for parent, or if the specified or inferred type is any, + // infer from the initializer of the binding element if one is present. Otherwise, go with the + // undefined or any type of the parent. + if (!parentType || isTypeAny(parentType)) { + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + return parentType; + } + var type; + if (pattern.kind === 164 /* ObjectBindingPattern */) { + // Use explicitly specified property name ({ p: xxx } form), or otherwise the implied name ({ p } form) + var name_10 = declaration.propertyName || declaration.name; + if (isComputedNonLiteralName(name_10)) { + // computed properties with non-literal names are treated as 'any' + return anyType; + } + // Use type of the specified property, or otherwise, for a numeric name, the type of the numeric index signature, + // or otherwise the type of the string index signature. + var text = getTextOfPropertyName(name_10); + type = getTypeOfPropertyOfType(parentType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(parentType, 1 /* Number */) || + getIndexTypeOfType(parentType, 0 /* String */); + if (!type) { + error(name_10, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(parentType), ts.declarationNameToString(name_10)); + return unknownType; + } + } + else { + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var elementType = checkIteratedTypeOrElementType(parentType, pattern, /*allowStringInput*/ false); + if (!declaration.dotDotDotToken) { + // Use specific property type when parent is a tuple or numeric index type when parent is an array + var propName = "" + ts.indexOf(pattern.elements, declaration); + type = isTupleLikeType(parentType) + ? getTypeOfPropertyOfType(parentType, propName) + : elementType; + if (!type) { + if (isTupleType(parentType)) { + error(declaration, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(parentType), parentType.elementTypes.length, pattern.elements.length); + } + else { + error(declaration, ts.Diagnostics.Type_0_has_no_property_1, typeToString(parentType), propName); + } + return unknownType; + } + } + else { + // Rest element has an array type with the same element type as the parent type + type = createArrayType(elementType); + } + } + return type; + } + function getTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + var jsDocType = getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (jsDocType) { + return getTypeFromTypeNode(jsDocType); + } + } + function getJSDocTypeForVariableLikeDeclarationFromJSDocComment(declaration) { + // First, see if this node has an @type annotation on it directly. + var typeTag = ts.getJSDocTypeTag(declaration); + if (typeTag && typeTag.typeExpression) { + return typeTag.typeExpression.type; + } + if (declaration.kind === 214 /* VariableDeclaration */ && + declaration.parent.kind === 215 /* VariableDeclarationList */ && + declaration.parent.parent.kind === 196 /* VariableStatement */) { + // @type annotation might have been on the variable statement, try that instead. + var annotation = ts.getJSDocTypeTag(declaration.parent.parent); + if (annotation && annotation.typeExpression) { + return annotation.typeExpression.type; + } + } + else if (declaration.kind === 139 /* Parameter */) { + // If it's a parameter, see if the parent has a jsdoc comment with an @param + // annotation. + var paramTag = ts.getCorrespondingJSDocParameterTag(declaration); + if (paramTag && paramTag.typeExpression) { + return paramTag.typeExpression.type; + } + } + return undefined; + } + // Return the inferred type for a variable, parameter, or property declaration + function getTypeForVariableLikeDeclaration(declaration) { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + // If this is a variable in a JavaScript file, then use the JSDoc type (if it has + // one as its type), otherwise fallback to the below standard TS codepaths to + // try to figure it out. + var type = getTypeForVariableLikeDeclarationFromJSDocComment(declaration); + if (type && type !== unknownType) { + return type; + } + } + // A variable declared in a for..in statement is always of type string + if (declaration.parent.parent.kind === 203 /* ForInStatement */) { + return stringType; + } + if (declaration.parent.parent.kind === 204 /* ForOfStatement */) { + // checkRightHandSideOfForOf will return undefined if the for-of expression type was + // missing properties/signatures required to get its iteratedType (like + // [Symbol.iterator] or next). This may be because we accessed properties from anyType, + // or it may have led to an error inside getElementTypeOfIterable. + return checkRightHandSideOfForOf(declaration.parent.parent.expression) || anyType; + } + if (ts.isBindingPattern(declaration.parent)) { + return getTypeForBindingElement(declaration); + } + // Use type from type annotation if one is present + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139 /* Parameter */) { + var func = declaration.parent; + // For a parameter of a set accessor, use the type of the get accessor if one is present + if (func.kind === 147 /* SetAccessor */ && !ts.hasDynamicName(func)) { + var getter = ts.getDeclarationOfKind(declaration.parent.symbol, 146 /* GetAccessor */); + if (getter) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(getter)); + } + } + // Use contextual parameter type if one is available + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + // Use the type of the initializer expression if one is present + if (declaration.initializer) { + return checkExpressionCached(declaration.initializer); + } + // If it is a short-hand property assignment, use the type of the identifier + if (declaration.kind === 249 /* ShorthandPropertyAssignment */) { + return checkIdentifier(declaration.name); + } + // If the declaration specifies a binding pattern, use the type implied by the binding pattern + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ false); + } + // No type specified and nothing can be inferred + return undefined; + } + // Return the type implied by a binding pattern element. This is the type of the initializer of the element if + // one is present. Otherwise, if the element is itself a binding pattern, it is the type implied by the binding + // pattern. Otherwise, it is the type any. + function getTypeFromBindingElement(element, includePatternInType) { + if (element.initializer) { + return getWidenedType(checkExpressionCached(element.initializer)); + } + if (ts.isBindingPattern(element.name)) { + return getTypeFromBindingPattern(element.name, includePatternInType); + } + return anyType; + } + // Return the type implied by an object binding pattern + function getTypeFromObjectBindingPattern(pattern, includePatternInType) { + var members = {}; + var hasComputedProperties = false; + ts.forEach(pattern.elements, function (e) { + var name = e.propertyName || e.name; + if (isComputedNonLiteralName(name)) { + // do not include computed properties in the implied type + hasComputedProperties = true; + return; + } + var text = getTextOfPropertyName(name); + var flags = 4 /* Property */ | 67108864 /* Transient */ | (e.initializer ? 536870912 /* Optional */ : 0); + var symbol = createSymbol(flags, text); + symbol.type = getTypeFromBindingElement(e, includePatternInType); + symbol.bindingElement = e; + members[symbol.name] = symbol; + }); + var result = createAnonymousType(undefined, members, emptyArray, emptyArray, undefined, undefined); + if (includePatternInType) { + result.pattern = pattern; + } + if (hasComputedProperties) { + result.flags |= 67108864 /* ObjectLiteralPatternWithComputedProperties */; + } + return result; + } + // Return the type implied by an array binding pattern + function getTypeFromArrayBindingPattern(pattern, includePatternInType) { + var elements = pattern.elements; + if (elements.length === 0 || elements[elements.length - 1].dotDotDotToken) { + return languageVersion >= 2 /* ES6 */ ? createIterableType(anyType) : anyArrayType; + } + // If the pattern has at least one element, and no rest element, then it should imply a tuple type. + var elementTypes = ts.map(elements, function (e) { return e.kind === 190 /* OmittedExpression */ ? anyType : getTypeFromBindingElement(e, includePatternInType); }); + if (includePatternInType) { + var result = createNewTupleType(elementTypes); + result.pattern = pattern; + return result; + } + return createTupleType(elementTypes); + } + // Return the type implied by a binding pattern. This is the type implied purely by the binding pattern itself + // and without regard to its context (i.e. without regard any type annotation or initializer associated with the + // declaration in which the binding pattern is contained). For example, the implied type of [x, y] is [any, any] + // and the implied type of { x, y: z = 1 } is { x: any; y: number; }. The type implied by a binding pattern is + // used as the contextual type of an initializer associated with the binding pattern. Also, for a destructuring + // parameter with no type annotation or initializer, the type implied by the binding pattern becomes the type of + // the parameter. + function getTypeFromBindingPattern(pattern, includePatternInType) { + return pattern.kind === 164 /* ObjectBindingPattern */ + ? getTypeFromObjectBindingPattern(pattern, includePatternInType) + : getTypeFromArrayBindingPattern(pattern, includePatternInType); + } + // Return the type associated with a variable, parameter, or property declaration. In the simple case this is the type + // specified in a type annotation or inferred from an initializer. However, in the case of a destructuring declaration it + // is a bit more involved. For example: + // + // var [x, s = ""] = [1, "one"]; + // + // Here, the array literal [1, "one"] is contextually typed by the type [any, string], which is the implied type of the + // binding pattern [x, s = ""]. Because the contextual type is a tuple type, the resulting type of [1, "one"] is the + // tuple type [number, string]. Thus, the type inferred for 'x' is number and the type inferred for 's' is string. + function getWidenedTypeForVariableLikeDeclaration(declaration, reportErrors) { + var type = getTypeForVariableLikeDeclaration(declaration); + if (type) { + if (reportErrors) { + reportErrorsFromWidening(declaration, type); + } + // During a normal type check we'll never get to here with a property assignment (the check of the containing + // object literal uses a different path). We exclude widening only so that language services and type verification + // tools see the actual type. + if (declaration.kind === 248 /* PropertyAssignment */) { + return type; + } + return getWidenedType(type); + } + // Rest parameters default to type any[], other parameters default to type any + type = declaration.dotDotDotToken ? anyArrayType : anyType; + // Report implicit any errors unless this is a private property within an ambient declaration + if (reportErrors && compilerOptions.noImplicitAny) { + var root = ts.getRootDeclaration(declaration); + if (!isPrivateWithinAmbient(root) && !(root.kind === 139 /* Parameter */ && isPrivateWithinAmbient(root.parent))) { + reportImplicitAnyError(declaration, type); + } + } + return type; + } + function getTypeOfVariableOrParameterOrProperty(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + // Handle prototype property + if (symbol.flags & 134217728 /* Prototype */) { + return links.type = getTypeOfPrototypeProperty(symbol); + } + // Handle catch clause variables + var declaration = symbol.valueDeclaration; + if (declaration.parent.kind === 247 /* CatchClause */) { + return links.type = anyType; + } + // Handle export default expressions + if (declaration.kind === 230 /* ExportAssignment */) { + return links.type = checkExpression(declaration.expression); + } + // Handle module.exports = expr + if (declaration.kind === 184 /* BinaryExpression */) { + return links.type = getUnionType(ts.map(symbol.declarations, function (decl) { return checkExpressionCached(decl.right); })); + } + if (declaration.kind === 169 /* PropertyAccessExpression */) { + // Declarations only exist for property access expressions for certain + // special assignment kinds + if (declaration.parent.kind === 184 /* BinaryExpression */) { + // Handle exports.p = expr or this.p = expr or className.prototype.method = expr + return links.type = checkExpressionCached(declaration.parent.right); + } + } + // Handle variable, parameter or property + if (!pushTypeResolution(symbol, 0 /* Type */)) { + return unknownType; + } + var type = getWidenedTypeForVariableLikeDeclaration(declaration, /*reportErrors*/ true); + if (!popTypeResolution()) { + if (symbol.valueDeclaration.type) { + // Variable has type annotation that circularly references the variable itself + type = unknownType; + error(symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_type_annotation, symbolToString(symbol)); + } + else { + // Variable has initializer that circularly references the variable itself + type = anyType; + if (compilerOptions.noImplicitAny) { + error(symbol.valueDeclaration, ts.Diagnostics._0_implicitly_has_type_any_because_it_does_not_have_a_type_annotation_and_is_referenced_directly_or_indirectly_in_its_own_initializer, symbolToString(symbol)); + } + } + } + links.type = type; + } + return links.type; + } + function getAnnotatedAccessorType(accessor) { + if (accessor) { + if (accessor.kind === 146 /* GetAccessor */) { + return accessor.type && getTypeFromTypeNode(accessor.type); + } + else { + var setterTypeAnnotation = ts.getSetAccessorTypeAnnotationNode(accessor); + return setterTypeAnnotation && getTypeFromTypeNode(setterTypeAnnotation); + } + } + return undefined; + } + function getTypeOfAccessors(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + if (!pushTypeResolution(symbol, 0 /* Type */)) { + return unknownType; + } + var getter = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); + var setter = ts.getDeclarationOfKind(symbol, 147 /* SetAccessor */); + var type = void 0; + // First try to see if the user specified a return type on the get-accessor. + var getterReturnType = getAnnotatedAccessorType(getter); + if (getterReturnType) { + type = getterReturnType; + } + else { + // If the user didn't specify a return type, try to use the set-accessor's parameter type. + var setterParameterType = getAnnotatedAccessorType(setter); + if (setterParameterType) { + type = setterParameterType; + } + else { + // If there are no specified types, try to infer it from the body of the get accessor if it exists. + if (getter && getter.body) { + type = getReturnTypeFromBody(getter); + } + else { + if (compilerOptions.noImplicitAny) { + error(setter, ts.Diagnostics.Property_0_implicitly_has_type_any_because_its_set_accessor_lacks_a_type_annotation, symbolToString(symbol)); + } + type = anyType; + } + } + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var getter_1 = ts.getDeclarationOfKind(symbol, 146 /* GetAccessor */); + error(getter_1, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, symbolToString(symbol)); + } + } + links.type = type; + } + return links.type; + } + function getTypeOfFuncClassEnumModule(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = createObjectType(65536 /* Anonymous */, symbol); + } + return links.type; + } + function getTypeOfEnumMember(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = getDeclaredTypeOfEnum(getParentOfSymbol(symbol)); + } + return links.type; + } + function getTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + var targetSymbol = resolveAlias(symbol); + // It only makes sense to get the type of a value symbol. If the result of resolving + // the alias is not a value, then it has no type. To get the type associated with a + // type symbol, call getDeclaredTypeOfSymbol. + // This check is important because without it, a call to getTypeOfSymbol could end + // up recursively calling getTypeOfAlias, causing a stack overflow. + links.type = targetSymbol.flags & 107455 /* Value */ + ? getTypeOfSymbol(targetSymbol) + : unknownType; + } + return links.type; + } + function getTypeOfInstantiatedSymbol(symbol) { + var links = getSymbolLinks(symbol); + if (!links.type) { + links.type = instantiateType(getTypeOfSymbol(links.target), links.mapper); + } + return links.type; + } + function getTypeOfSymbol(symbol) { + if (symbol.flags & 16777216 /* Instantiated */) { + return getTypeOfInstantiatedSymbol(symbol); + } + if (symbol.flags & (3 /* Variable */ | 4 /* Property */)) { + return getTypeOfVariableOrParameterOrProperty(symbol); + } + if (symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 384 /* Enum */ | 512 /* ValueModule */)) { + return getTypeOfFuncClassEnumModule(symbol); + } + if (symbol.flags & 8 /* EnumMember */) { + return getTypeOfEnumMember(symbol); + } + if (symbol.flags & 98304 /* Accessor */) { + return getTypeOfAccessors(symbol); + } + if (symbol.flags & 8388608 /* Alias */) { + return getTypeOfAlias(symbol); + } + return unknownType; + } + function getTargetType(type) { + return type.flags & 4096 /* Reference */ ? type.target : type; + } + function hasBaseType(type, checkBase) { + return check(type); + function check(type) { + var target = getTargetType(type); + return target === checkBase || ts.forEach(getBaseTypes(target), check); + } + } + // Appends the type parameters given by a list of declarations to a set of type parameters and returns the resulting set. + // The function allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set + // in-place and returns the same array. + function appendTypeParameters(typeParameters, declarations) { + for (var _i = 0, declarations_2 = declarations; _i < declarations_2.length; _i++) { + var declaration = declarations_2[_i]; + var tp = getDeclaredTypeOfTypeParameter(getSymbolOfNode(declaration)); + if (!typeParameters) { + typeParameters = [tp]; + } + else if (!ts.contains(typeParameters, tp)) { + typeParameters.push(tp); + } + } + return typeParameters; + } + // Appends the outer type parameters of a node to a set of type parameters and returns the resulting set. The function + // allocates a new array if the input type parameter set is undefined, but otherwise it modifies the set in-place and + // returns the same array. + function appendOuterTypeParameters(typeParameters, node) { + while (true) { + node = node.parent; + if (!node) { + return typeParameters; + } + if (node.kind === 217 /* ClassDeclaration */ || node.kind === 189 /* ClassExpression */ || + node.kind === 216 /* FunctionDeclaration */ || node.kind === 176 /* FunctionExpression */ || + node.kind === 144 /* MethodDeclaration */ || node.kind === 177 /* ArrowFunction */) { + var declarations = node.typeParameters; + if (declarations) { + return appendTypeParameters(appendOuterTypeParameters(typeParameters, node), declarations); + } + } + } + } + // The outer type parameters are those defined by enclosing generic classes, methods, or functions. + function getOuterTypeParametersOfClassOrInterface(symbol) { + var declaration = symbol.flags & 32 /* Class */ ? symbol.valueDeclaration : ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); + return appendOuterTypeParameters(undefined, declaration); + } + // The local type parameters are the combined set of type parameters from all declarations of the class, + // interface, or type alias. + function getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol) { + var result; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var node = _a[_i]; + if (node.kind === 218 /* InterfaceDeclaration */ || node.kind === 217 /* ClassDeclaration */ || + node.kind === 189 /* ClassExpression */ || node.kind === 219 /* TypeAliasDeclaration */) { + var declaration = node; + if (declaration.typeParameters) { + result = appendTypeParameters(result, declaration.typeParameters); + } + } + } + return result; + } + // The full set of type parameters for a generic class or interface type consists of its outer type parameters plus + // its locally declared type parameters. + function getTypeParametersOfClassOrInterface(symbol) { + return ts.concatenate(getOuterTypeParametersOfClassOrInterface(symbol), getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol)); + } + function isConstructorType(type) { + return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 1 /* Construct */).length > 0; + } + function getBaseTypeNodeOfClass(type) { + return ts.getClassExtendsHeritageClauseElement(type.symbol.valueDeclaration); + } + function getConstructorsForTypeArguments(type, typeArgumentNodes) { + var typeArgCount = typeArgumentNodes ? typeArgumentNodes.length : 0; + return ts.filter(getSignaturesOfType(type, 1 /* Construct */), function (sig) { return (sig.typeParameters ? sig.typeParameters.length : 0) === typeArgCount; }); + } + function getInstantiatedConstructorsForTypeArguments(type, typeArgumentNodes) { + var signatures = getConstructorsForTypeArguments(type, typeArgumentNodes); + if (typeArgumentNodes) { + var typeArguments_1 = ts.map(typeArgumentNodes, getTypeFromTypeNode); + signatures = ts.map(signatures, function (sig) { return getSignatureInstantiation(sig, typeArguments_1); }); + } + return signatures; + } + // The base constructor of a class can resolve to + // undefinedType if the class has no extends clause, + // unknownType if an error occurred during resolution of the extends expression, + // nullType if the extends expression is the null value, or + // an object type with at least one construct signature. + function getBaseConstructorTypeOfClass(type) { + if (!type.resolvedBaseConstructorType) { + var baseTypeNode = getBaseTypeNodeOfClass(type); + if (!baseTypeNode) { + return type.resolvedBaseConstructorType = undefinedType; + } + if (!pushTypeResolution(type, 1 /* ResolvedBaseConstructorType */)) { + return unknownType; + } + var baseConstructorType = checkExpression(baseTypeNode.expression); + if (baseConstructorType.flags & 80896 /* ObjectType */) { + // Resolving the members of a class requires us to resolve the base class of that class. + // We force resolution here such that we catch circularities now. + resolveStructuredTypeMembers(baseConstructorType); + } + if (!popTypeResolution()) { + error(type.symbol.valueDeclaration, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_its_own_base_expression, symbolToString(type.symbol)); + return type.resolvedBaseConstructorType = unknownType; + } + if (baseConstructorType !== unknownType && baseConstructorType !== nullType && !isConstructorType(baseConstructorType)) { + error(baseTypeNode.expression, ts.Diagnostics.Type_0_is_not_a_constructor_function_type, typeToString(baseConstructorType)); + return type.resolvedBaseConstructorType = unknownType; + } + type.resolvedBaseConstructorType = baseConstructorType; + } + return type.resolvedBaseConstructorType; + } + function getBaseTypes(type) { + var isClass = type.symbol.flags & 32 /* Class */; + var isInterface = type.symbol.flags & 64 /* Interface */; + if (!type.resolvedBaseTypes) { + if (!isClass && !isInterface) { + ts.Debug.fail("type must be class or interface"); + } + if (isClass) { + resolveBaseTypesOfClass(type); + } + if (isInterface) { + resolveBaseTypesOfInterface(type); + } + } + return type.resolvedBaseTypes; + } + function resolveBaseTypesOfClass(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + var baseConstructorType = getBaseConstructorTypeOfClass(type); + if (!(baseConstructorType.flags & 80896 /* ObjectType */)) { + return; + } + var baseTypeNode = getBaseTypeNodeOfClass(type); + var baseType; + var originalBaseType = baseConstructorType && baseConstructorType.symbol ? getDeclaredTypeOfSymbol(baseConstructorType.symbol) : undefined; + if (baseConstructorType.symbol && baseConstructorType.symbol.flags & 32 /* Class */ && + areAllOuterTypeParametersApplied(originalBaseType)) { + // When base constructor type is a class with no captured type arguments we know that the constructors all have the same type parameters as the + // class and all return the instance type of the class. There is no need for further checks and we can apply the + // type arguments in the same manner as a type reference to get the same error reporting experience. + baseType = getTypeFromClassOrInterfaceReference(baseTypeNode, baseConstructorType.symbol); + } + else { + // The class derives from a "class-like" constructor function, check that we have at least one construct signature + // with a matching number of type parameters and use the return type of the first instantiated signature. Elsewhere + // we check that all instantiated signatures return the same type. + var constructors = getInstantiatedConstructorsForTypeArguments(baseConstructorType, baseTypeNode.typeArguments); + if (!constructors.length) { + error(baseTypeNode.expression, ts.Diagnostics.No_base_constructor_has_the_specified_number_of_type_arguments); + return; + } + baseType = getReturnTypeOfSignature(constructors[0]); + } + if (baseType === unknownType) { + return; + } + if (!(getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */))) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructor_return_type_0_is_not_a_class_or_interface_type, typeToString(baseType)); + return; + } + if (type === baseType || hasBaseType(baseType, type)) { + error(type.symbol.valueDeclaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); + return; + } + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + function areAllOuterTypeParametersApplied(type) { + // An unapplied type parameter has its symbol still the same as the matching argument symbol. + // Since parameters are applied outer-to-inner, only the last outer parameter needs to be checked. + var outerTypeParameters = type.outerTypeParameters; + if (outerTypeParameters) { + var last = outerTypeParameters.length - 1; + var typeArguments = type.typeArguments; + return outerTypeParameters[last].symbol !== typeArguments[last].symbol; + } + return true; + } + function resolveBaseTypesOfInterface(type) { + type.resolvedBaseTypes = type.resolvedBaseTypes || emptyArray; + for (var _i = 0, _a = type.symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 /* InterfaceDeclaration */ && ts.getInterfaceBaseTypeNodes(declaration)) { + for (var _b = 0, _c = ts.getInterfaceBaseTypeNodes(declaration); _b < _c.length; _b++) { + var node = _c[_b]; + var baseType = getTypeFromTypeNode(node); + if (baseType !== unknownType) { + if (getTargetType(baseType).flags & (1024 /* Class */ | 2048 /* Interface */)) { + if (type !== baseType && !hasBaseType(baseType, type)) { + if (type.resolvedBaseTypes === emptyArray) { + type.resolvedBaseTypes = [baseType]; + } + else { + type.resolvedBaseTypes.push(baseType); + } + } + else { + error(declaration, ts.Diagnostics.Type_0_recursively_references_itself_as_a_base_type, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */)); + } + } + else { + error(node, ts.Diagnostics.An_interface_may_only_extend_a_class_or_another_interface); + } + } + } + } + } + } + // Returns true if the interface given by the symbol is free of "this" references. Specifically, the result is + // true if the interface itself contains no references to "this" in its body, if all base types are interfaces, + // and if none of the base interfaces have a "this" type. + function isIndependentInterface(symbol) { + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var declaration = _a[_i]; + if (declaration.kind === 218 /* InterfaceDeclaration */) { + if (declaration.flags & 262144 /* ContainsThis */) { + return false; + } + var baseTypeNodes = ts.getInterfaceBaseTypeNodes(declaration); + if (baseTypeNodes) { + for (var _b = 0, baseTypeNodes_1 = baseTypeNodes; _b < baseTypeNodes_1.length; _b++) { + var node = baseTypeNodes_1[_b]; + if (ts.isSupportedExpressionWithTypeArguments(node)) { + var baseSymbol = resolveEntityName(node.expression, 793056 /* Type */, /*ignoreErrors*/ true); + if (!baseSymbol || !(baseSymbol.flags & 64 /* Interface */) || getDeclaredTypeOfClassOrInterface(baseSymbol).thisType) { + return false; + } + } + } + } + } + } + return true; + } + function getDeclaredTypeOfClassOrInterface(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var kind = symbol.flags & 32 /* Class */ ? 1024 /* Class */ : 2048 /* Interface */; + var type = links.declaredType = createObjectType(kind, symbol); + var outerTypeParameters = getOuterTypeParametersOfClassOrInterface(symbol); + var localTypeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + // A class or interface is generic if it has type parameters or a "this" type. We always give classes a "this" type + // because it is not feasible to analyze all members to determine if the "this" type escapes the class (in particular, + // property types inferred from initializers and method return types inferred from return statements are very hard + // to exhaustively analyze). We give interfaces a "this" type if we can't definitely determine that they are free of + // "this" references. + if (outerTypeParameters || localTypeParameters || kind === 1024 /* Class */ || !isIndependentInterface(symbol)) { + type.flags |= 4096 /* Reference */; + type.typeParameters = ts.concatenate(outerTypeParameters, localTypeParameters); + type.outerTypeParameters = outerTypeParameters; + type.localTypeParameters = localTypeParameters; + type.instantiations = {}; + type.instantiations[getTypeListId(type.typeParameters)] = type; + type.target = type; + type.typeArguments = type.typeParameters; + type.thisType = createType(512 /* TypeParameter */ | 33554432 /* ThisType */); + type.thisType.symbol = symbol; + type.thisType.constraint = type; + } + } + return links.declaredType; + } + function getDeclaredTypeOfTypeAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + // Note that we use the links object as the target here because the symbol object is used as the unique + // identity for resolution of the 'type' property in SymbolLinks. + if (!pushTypeResolution(symbol, 2 /* DeclaredType */)) { + return unknownType; + } + var declaration = ts.getDeclarationOfKind(symbol, 219 /* TypeAliasDeclaration */); + var type = getTypeFromTypeNode(declaration.type); + if (popTypeResolution()) { + links.typeParameters = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(symbol); + if (links.typeParameters) { + // Initialize the instantiation cache for generic type aliases. The declared type corresponds to + // an instantiation of the type alias with the type parameters supplied as type arguments. + links.instantiations = {}; + links.instantiations[getTypeListId(links.typeParameters)] = type; + } + } + else { + type = unknownType; + error(declaration.name, ts.Diagnostics.Type_alias_0_circularly_references_itself, symbolToString(symbol)); + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfEnum(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(128 /* Enum */); + type.symbol = symbol; + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfTypeParameter(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + var type = createType(512 /* TypeParameter */); + type.symbol = symbol; + if (!ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */).constraint) { + type.constraint = noConstraintType; + } + links.declaredType = type; + } + return links.declaredType; + } + function getDeclaredTypeOfAlias(symbol) { + var links = getSymbolLinks(symbol); + if (!links.declaredType) { + links.declaredType = getDeclaredTypeOfSymbol(resolveAlias(symbol)); + } + return links.declaredType; + } + function getDeclaredTypeOfSymbol(symbol) { + ts.Debug.assert((symbol.flags & 16777216 /* Instantiated */) === 0); + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + return getDeclaredTypeOfClassOrInterface(symbol); + } + if (symbol.flags & 524288 /* TypeAlias */) { + return getDeclaredTypeOfTypeAlias(symbol); + } + if (symbol.flags & 384 /* Enum */) { + return getDeclaredTypeOfEnum(symbol); + } + if (symbol.flags & 262144 /* TypeParameter */) { + return getDeclaredTypeOfTypeParameter(symbol); + } + if (symbol.flags & 8388608 /* Alias */) { + return getDeclaredTypeOfAlias(symbol); + } + return unknownType; + } + // A type reference is considered independent if each type argument is considered independent. + function isIndependentTypeReference(node) { + if (node.typeArguments) { + for (var _i = 0, _a = node.typeArguments; _i < _a.length; _i++) { + var typeNode = _a[_i]; + if (!isIndependentType(typeNode)) { + return false; + } + } + } + return true; + } + // A type is considered independent if it the any, string, number, boolean, symbol, or void keyword, a string + // literal type, an array with an element type that is considered independent, or a type reference that is + // considered independent. + function isIndependentType(node) { + switch (node.kind) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 163 /* StringLiteralType */: + return true; + case 157 /* ArrayType */: + return isIndependentType(node.elementType); + case 152 /* TypeReference */: + return isIndependentTypeReference(node); + } + return false; + } + // A variable-like declaration is considered independent (free of this references) if it has a type annotation + // that specifies an independent type, or if it has no type annotation and no initializer (and thus of type any). + function isIndependentVariableLikeDeclaration(node) { + return node.type && isIndependentType(node.type) || !node.type && !node.initializer; + } + // A function-like declaration is considered independent (free of this references) if it has a return type + // annotation that is considered independent and if each parameter is considered independent. + function isIndependentFunctionLikeDeclaration(node) { + if (node.kind !== 145 /* Constructor */ && (!node.type || !isIndependentType(node.type))) { + return false; + } + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + if (!isIndependentVariableLikeDeclaration(parameter)) { + return false; + } + } + return true; + } + // Returns true if the class or interface member given by the symbol is free of "this" references. The + // function may return false for symbols that are actually free of "this" references because it is not + // feasible to perform a complete analysis in all cases. In particular, property members with types + // inferred from their initializers and function members with inferred return types are convervatively + // assumed not to be free of "this" references. + function isIndependentMember(symbol) { + if (symbol.declarations && symbol.declarations.length === 1) { + var declaration = symbol.declarations[0]; + if (declaration) { + switch (declaration.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return isIndependentVariableLikeDeclaration(declaration); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + return isIndependentFunctionLikeDeclaration(declaration); + } + } + } + return false; + } + function createSymbolTable(symbols) { + var result = {}; + for (var _i = 0, symbols_1 = symbols; _i < symbols_1.length; _i++) { + var symbol = symbols_1[_i]; + result[symbol.name] = symbol; + } + return result; + } + // The mappingThisOnly flag indicates that the only type parameter being mapped is "this". When the flag is true, + // we check symbols to see if we can quickly conclude they are free of "this" references, thus needing no instantiation. + function createInstantiatedSymbolTable(symbols, mapper, mappingThisOnly) { + var result = {}; + for (var _i = 0, symbols_2 = symbols; _i < symbols_2.length; _i++) { + var symbol = symbols_2[_i]; + result[symbol.name] = mappingThisOnly && isIndependentMember(symbol) ? symbol : instantiateSymbol(symbol, mapper); + } + return result; + } + function addInheritedMembers(symbols, baseSymbols) { + for (var _i = 0, baseSymbols_1 = baseSymbols; _i < baseSymbols_1.length; _i++) { + var s = baseSymbols_1[_i]; + if (!ts.hasProperty(symbols, s.name)) { + symbols[s.name] = s; + } + } + } + function resolveDeclaredMembers(type) { + if (!type.declaredProperties) { + var symbol = type.symbol; + type.declaredProperties = getNamedMembers(symbol.members); + type.declaredCallSignatures = getSignaturesOfSymbol(symbol.members["__call"]); + type.declaredConstructSignatures = getSignaturesOfSymbol(symbol.members["__new"]); + type.declaredStringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); + type.declaredNumberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); + } + return type; + } + function getTypeWithThisArgument(type, thisArgument) { + if (type.flags & 4096 /* Reference */) { + return createTypeReference(type.target, ts.concatenate(type.typeArguments, [thisArgument || type.target.thisType])); + } + return type; + } + function resolveObjectTypeMembers(type, source, typeParameters, typeArguments) { + var mapper = identityMapper; + var members = source.symbol.members; + var callSignatures = source.declaredCallSignatures; + var constructSignatures = source.declaredConstructSignatures; + var stringIndexType = source.declaredStringIndexType; + var numberIndexType = source.declaredNumberIndexType; + if (!ts.rangeEquals(typeParameters, typeArguments, 0, typeParameters.length)) { + mapper = createTypeMapper(typeParameters, typeArguments); + members = createInstantiatedSymbolTable(source.declaredProperties, mapper, /*mappingThisOnly*/ typeParameters.length === 1); + callSignatures = instantiateList(source.declaredCallSignatures, mapper, instantiateSignature); + constructSignatures = instantiateList(source.declaredConstructSignatures, mapper, instantiateSignature); + stringIndexType = instantiateType(source.declaredStringIndexType, mapper); + numberIndexType = instantiateType(source.declaredNumberIndexType, mapper); + } + var baseTypes = getBaseTypes(source); + if (baseTypes.length) { + if (members === source.symbol.members) { + members = createSymbolTable(source.declaredProperties); + } + var thisArgument = ts.lastOrUndefined(typeArguments); + for (var _i = 0, baseTypes_1 = baseTypes; _i < baseTypes_1.length; _i++) { + var baseType = baseTypes_1[_i]; + var instantiatedBaseType = thisArgument ? getTypeWithThisArgument(instantiateType(baseType, mapper), thisArgument) : baseType; + addInheritedMembers(members, getPropertiesOfObjectType(instantiatedBaseType)); + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(instantiatedBaseType, 0 /* Call */)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(instantiatedBaseType, 1 /* Construct */)); + stringIndexType = stringIndexType || getIndexTypeOfType(instantiatedBaseType, 0 /* String */); + numberIndexType = numberIndexType || getIndexTypeOfType(instantiatedBaseType, 1 /* Number */); + } + } + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveClassOrInterfaceMembers(type) { + resolveObjectTypeMembers(type, resolveDeclaredMembers(type), emptyArray, emptyArray); + } + function resolveTypeReferenceMembers(type) { + var source = resolveDeclaredMembers(type.target); + var typeParameters = ts.concatenate(source.typeParameters, [source.thisType]); + var typeArguments = type.typeArguments && type.typeArguments.length === typeParameters.length ? + type.typeArguments : ts.concatenate(type.typeArguments, [type]); + resolveObjectTypeMembers(type, source, typeParameters, typeArguments); + } + function createSignature(declaration, typeParameters, parameters, resolvedReturnType, typePredicate, minArgumentCount, hasRestParameter, hasStringLiterals) { + var sig = new Signature(checker); + sig.declaration = declaration; + sig.typeParameters = typeParameters; + sig.parameters = parameters; + sig.resolvedReturnType = resolvedReturnType; + sig.typePredicate = typePredicate; + sig.minArgumentCount = minArgumentCount; + sig.hasRestParameter = hasRestParameter; + sig.hasStringLiterals = hasStringLiterals; + return sig; + } + function cloneSignature(sig) { + return createSignature(sig.declaration, sig.typeParameters, sig.parameters, sig.resolvedReturnType, sig.typePredicate, sig.minArgumentCount, sig.hasRestParameter, sig.hasStringLiterals); + } + function getDefaultConstructSignatures(classType) { + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + var baseSignatures = getSignaturesOfType(baseConstructorType, 1 /* Construct */); + if (baseSignatures.length === 0) { + return [createSignature(undefined, classType.localTypeParameters, emptyArray, classType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasStringLiterals*/ false)]; + } + var baseTypeNode = getBaseTypeNodeOfClass(classType); + var typeArguments = ts.map(baseTypeNode.typeArguments, getTypeFromTypeNode); + var typeArgCount = typeArguments ? typeArguments.length : 0; + var result = []; + for (var _i = 0, baseSignatures_1 = baseSignatures; _i < baseSignatures_1.length; _i++) { + var baseSig = baseSignatures_1[_i]; + var typeParamCount = baseSig.typeParameters ? baseSig.typeParameters.length : 0; + if (typeParamCount === typeArgCount) { + var sig = typeParamCount ? getSignatureInstantiation(baseSig, typeArguments) : cloneSignature(baseSig); + sig.typeParameters = classType.localTypeParameters; + sig.resolvedReturnType = classType; + result.push(sig); + } + } + return result; + } + function createTupleTypeMemberSymbols(memberTypes) { + var members = {}; + for (var i = 0; i < memberTypes.length; i++) { + var symbol = createSymbol(4 /* Property */ | 67108864 /* Transient */, "" + i); + symbol.type = memberTypes[i]; + members[i] = symbol; + } + return members; + } + function resolveTupleTypeMembers(type) { + var arrayElementType = getUnionType(type.elementTypes, /*noSubtypeReduction*/ true); + // Make the tuple type itself the 'this' type by including an extra type argument + var arrayType = resolveStructuredTypeMembers(createTypeFromGenericGlobalType(globalArrayType, [arrayElementType, type])); + var members = createTupleTypeMemberSymbols(type.elementTypes); + addInheritedMembers(members, arrayType.properties); + setObjectTypeMembers(type, members, arrayType.callSignatures, arrayType.constructSignatures, arrayType.stringIndexType, arrayType.numberIndexType); + } + function findMatchingSignature(signatureList, signature, partialMatch, ignoreReturnTypes) { + for (var _i = 0, signatureList_1 = signatureList; _i < signatureList_1.length; _i++) { + var s = signatureList_1[_i]; + if (compareSignaturesIdentical(s, signature, partialMatch, ignoreReturnTypes, compareTypesIdentical)) { + return s; + } + } + } + function findMatchingSignatures(signatureLists, signature, listIndex) { + if (signature.typeParameters) { + // We require an exact match for generic signatures, so we only return signatures from the first + // signature list and only if they have exact matches in the other signature lists. + if (listIndex > 0) { + return undefined; + } + for (var i = 1; i < signatureLists.length; i++) { + if (!findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ false)) { + return undefined; + } + } + return [signature]; + } + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + // Allow matching non-generic signatures to have excess parameters and different return types + var match = i === listIndex ? signature : findMatchingSignature(signatureLists[i], signature, /*partialMatch*/ true, /*ignoreReturnTypes*/ true); + if (!match) { + return undefined; + } + if (!ts.contains(result, match)) { + (result || (result = [])).push(match); + } + } + return result; + } + // The signatures of a union type are those signatures that are present in each of the constituent types. + // Generic signatures must match exactly, but non-generic signatures are allowed to have extra optional + // parameters and may differ in return types. When signatures differ in return types, the resulting return + // type is the union of the constituent return types. + function getUnionSignatures(types, kind) { + var signatureLists = ts.map(types, function (t) { return getSignaturesOfType(t, kind); }); + var result = undefined; + for (var i = 0; i < signatureLists.length; i++) { + for (var _i = 0, _a = signatureLists[i]; _i < _a.length; _i++) { + var signature = _a[_i]; + // Only process signatures with parameter lists that aren't already in the result list + if (!result || !findMatchingSignature(result, signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true)) { + var unionSignatures = findMatchingSignatures(signatureLists, signature, i); + if (unionSignatures) { + var s = signature; + // Union the result types when more than one signature matches + if (unionSignatures.length > 1) { + s = cloneSignature(signature); + // Clear resolved return type we possibly got from cloneSignature + s.resolvedReturnType = undefined; + s.unionSignatures = unionSignatures; + } + (result || (result = [])).push(s); + } + } + } + } + return result || emptyArray; + } + function getUnionIndexType(types, kind) { + var indexTypes = []; + for (var _i = 0, types_1 = types; _i < types_1.length; _i++) { + var type = types_1[_i]; + var indexType = getIndexTypeOfType(type, kind); + if (!indexType) { + return undefined; + } + indexTypes.push(indexType); + } + return getUnionType(indexTypes); + } + function resolveUnionTypeMembers(type) { + // The members and properties collections are empty for union types. To get all properties of a union + // type use getPropertiesOfType (only the language service uses this). + var callSignatures = getUnionSignatures(type.types, 0 /* Call */); + var constructSignatures = getUnionSignatures(type.types, 1 /* Construct */); + var stringIndexType = getUnionIndexType(type.types, 0 /* String */); + var numberIndexType = getUnionIndexType(type.types, 1 /* Number */); + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function intersectTypes(type1, type2) { + return !type1 ? type2 : !type2 ? type1 : getIntersectionType([type1, type2]); + } + function resolveIntersectionTypeMembers(type) { + // The members and properties collections are empty for intersection types. To get all properties of an + // intersection type use getPropertiesOfType (only the language service uses this). + var callSignatures = emptyArray; + var constructSignatures = emptyArray; + var stringIndexType = undefined; + var numberIndexType = undefined; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + callSignatures = ts.concatenate(callSignatures, getSignaturesOfType(t, 0 /* Call */)); + constructSignatures = ts.concatenate(constructSignatures, getSignaturesOfType(t, 1 /* Construct */)); + stringIndexType = intersectTypes(stringIndexType, getIndexTypeOfType(t, 0 /* String */)); + numberIndexType = intersectTypes(numberIndexType, getIndexTypeOfType(t, 1 /* Number */)); + } + setObjectTypeMembers(type, emptySymbols, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + function resolveAnonymousTypeMembers(type) { + var symbol = type.symbol; + if (type.target) { + var members = createInstantiatedSymbolTable(getPropertiesOfObjectType(type.target), type.mapper, /*mappingThisOnly*/ false); + var callSignatures = instantiateList(getSignaturesOfType(type.target, 0 /* Call */), type.mapper, instantiateSignature); + var constructSignatures = instantiateList(getSignaturesOfType(type.target, 1 /* Construct */), type.mapper, instantiateSignature); + var stringIndexType = instantiateType(getIndexTypeOfType(type.target, 0 /* String */), type.mapper); + var numberIndexType = instantiateType(getIndexTypeOfType(type.target, 1 /* Number */), type.mapper); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else if (symbol.flags & 2048 /* TypeLiteral */) { + var members = symbol.members; + var callSignatures = getSignaturesOfSymbol(members["__call"]); + var constructSignatures = getSignaturesOfSymbol(members["__new"]); + var stringIndexType = getIndexTypeOfSymbol(symbol, 0 /* String */); + var numberIndexType = getIndexTypeOfSymbol(symbol, 1 /* Number */); + setObjectTypeMembers(type, members, callSignatures, constructSignatures, stringIndexType, numberIndexType); + } + else { + // Combinations of function, class, enum and module + var members = emptySymbols; + var constructSignatures = emptyArray; + if (symbol.flags & 1952 /* HasExports */) { + members = getExportsOfSymbol(symbol); + } + if (symbol.flags & 32 /* Class */) { + var classType = getDeclaredTypeOfClassOrInterface(symbol); + constructSignatures = getSignaturesOfSymbol(symbol.members["__constructor"]); + if (!constructSignatures.length) { + constructSignatures = getDefaultConstructSignatures(classType); + } + var baseConstructorType = getBaseConstructorTypeOfClass(classType); + if (baseConstructorType.flags & 80896 /* ObjectType */) { + members = createSymbolTable(getNamedMembers(members)); + addInheritedMembers(members, getPropertiesOfObjectType(baseConstructorType)); + } + } + var numberIndexType = (symbol.flags & 384 /* Enum */) ? stringType : undefined; + setObjectTypeMembers(type, members, emptyArray, constructSignatures, undefined, numberIndexType); + // We resolve the members before computing the signatures because a signature may use + // typeof with a qualified name expression that circularly references the type we are + // in the process of resolving (see issue #6072). The temporarily empty signature list + // will never be observed because a qualified name can't reference signatures. + if (symbol.flags & (16 /* Function */ | 8192 /* Method */)) { + type.callSignatures = getSignaturesOfSymbol(symbol); + } + } + } + function resolveStructuredTypeMembers(type) { + if (!type.members) { + if (type.flags & 4096 /* Reference */) { + resolveTypeReferenceMembers(type); + } + else if (type.flags & (1024 /* Class */ | 2048 /* Interface */)) { + resolveClassOrInterfaceMembers(type); + } + else if (type.flags & 65536 /* Anonymous */) { + resolveAnonymousTypeMembers(type); + } + else if (type.flags & 8192 /* Tuple */) { + resolveTupleTypeMembers(type); + } + else if (type.flags & 16384 /* Union */) { + resolveUnionTypeMembers(type); + } + else if (type.flags & 32768 /* Intersection */) { + resolveIntersectionTypeMembers(type); + } + } + return type; + } + /** Return properties of an object type or an empty array for other types */ + function getPropertiesOfObjectType(type) { + if (type.flags & 80896 /* ObjectType */) { + return resolveStructuredTypeMembers(type).properties; + } + return emptyArray; + } + /** If the given type is an object type and that type has a property by the given name, + * return the symbol for that property. Otherwise return undefined. */ + function getPropertyOfObjectType(type, name) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + } + } + function getPropertiesOfUnionOrIntersectionType(type) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var current = _a[_i]; + for (var _b = 0, _c = getPropertiesOfType(current); _b < _c.length; _b++) { + var prop = _c[_b]; + getPropertyOfUnionOrIntersectionType(type, prop.name); + } + // The properties of a union type are those that are present in all constituent types, so + // we only need to check the properties of the first type + if (type.flags & 16384 /* Union */) { + break; + } + } + return type.resolvedProperties ? symbolsToArray(type.resolvedProperties) : emptyArray; + } + function getPropertiesOfType(type) { + type = getApparentType(type); + return type.flags & 49152 /* UnionOrIntersection */ ? getPropertiesOfUnionOrIntersectionType(type) : getPropertiesOfObjectType(type); + } + /** + * The apparent type of a type parameter is the base constraint instantiated with the type parameter + * as the type argument for the 'this' type. + */ + function getApparentTypeOfTypeParameter(type) { + if (!type.resolvedApparentType) { + var constraintType = getConstraintOfTypeParameter(type); + while (constraintType && constraintType.flags & 512 /* TypeParameter */) { + constraintType = getConstraintOfTypeParameter(constraintType); + } + type.resolvedApparentType = getTypeWithThisArgument(constraintType || emptyObjectType, type); + } + return type.resolvedApparentType; + } + /** + * For a type parameter, return the base constraint of the type parameter. For the string, number, + * boolean, and symbol primitive types, return the corresponding object types. Otherwise return the + * type itself. Note that the apparent type of a union type is the union type itself. + */ + function getApparentType(type) { + if (type.flags & 512 /* TypeParameter */) { + type = getApparentTypeOfTypeParameter(type); + } + if (type.flags & 258 /* StringLike */) { + type = globalStringType; + } + else if (type.flags & 132 /* NumberLike */) { + type = globalNumberType; + } + else if (type.flags & 8 /* Boolean */) { + type = globalBooleanType; + } + else if (type.flags & 16777216 /* ESSymbol */) { + type = globalESSymbolType; + } + return type; + } + function createUnionOrIntersectionProperty(containingType, name) { + var types = containingType.types; + var props; + // Flags we want to propagate to the result if they exist in all source symbols + var commonFlags = (containingType.flags & 32768 /* Intersection */) ? 536870912 /* Optional */ : 0 /* None */; + for (var _i = 0, types_2 = types; _i < types_2.length; _i++) { + var current = types_2[_i]; + var type = getApparentType(current); + if (type !== unknownType) { + var prop = getPropertyOfType(type, name); + if (prop && !(getDeclarationFlagsFromSymbol(prop) & (16 /* Private */ | 32 /* Protected */))) { + commonFlags &= prop.flags; + if (!props) { + props = [prop]; + } + else if (!ts.contains(props, prop)) { + props.push(prop); + } + } + else if (containingType.flags & 16384 /* Union */) { + // A union type requires the property to be present in all constituent types + return undefined; + } + } + } + if (!props) { + return undefined; + } + if (props.length === 1) { + return props[0]; + } + var propTypes = []; + var declarations = []; + for (var _a = 0, props_1 = props; _a < props_1.length; _a++) { + var prop = props_1[_a]; + if (prop.declarations) { + ts.addRange(declarations, prop.declarations); + } + propTypes.push(getTypeOfSymbol(prop)); + } + var result = createSymbol(4 /* Property */ | + 67108864 /* Transient */ | + 268435456 /* SyntheticProperty */ | + commonFlags, name); + result.containingType = containingType; + result.declarations = declarations; + result.type = containingType.flags & 16384 /* Union */ ? getUnionType(propTypes) : getIntersectionType(propTypes); + return result; + } + function getPropertyOfUnionOrIntersectionType(type, name) { + var properties = type.resolvedProperties || (type.resolvedProperties = {}); + if (ts.hasProperty(properties, name)) { + return properties[name]; + } + var property = createUnionOrIntersectionProperty(type, name); + if (property) { + properties[name] = property; + } + return property; + } + // Return the symbol for the property with the given name in the given type. Creates synthetic union properties when + // necessary, maps primitive types and type parameters are to their apparent types, and augments with properties from + // Object and Function as appropriate. + function getPropertyOfType(type, name) { + type = getApparentType(type); + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (ts.hasProperty(resolved.members, name)) { + var symbol = resolved.members[name]; + if (symbolIsValue(symbol)) { + return symbol; + } + } + if (resolved === anyFunctionType || resolved.callSignatures.length || resolved.constructSignatures.length) { + var symbol = getPropertyOfObjectType(globalFunctionType, name); + if (symbol) { + return symbol; + } + } + return getPropertyOfObjectType(globalObjectType, name); + } + if (type.flags & 49152 /* UnionOrIntersection */) { + return getPropertyOfUnionOrIntersectionType(type, name); + } + return undefined; + } + function getSignaturesOfStructuredType(type, kind) { + if (type.flags & 130048 /* StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 /* Call */ ? resolved.callSignatures : resolved.constructSignatures; + } + return emptyArray; + } + /** + * Return the signatures of the given kind in the given type. Creates synthetic union signatures when necessary and + * maps primitive types and type parameters are to their apparent types. + */ + function getSignaturesOfType(type, kind) { + return getSignaturesOfStructuredType(getApparentType(type), kind); + } + function getIndexTypeOfStructuredType(type, kind) { + if (type.flags & 130048 /* StructuredType */) { + var resolved = resolveStructuredTypeMembers(type); + return kind === 0 /* String */ ? resolved.stringIndexType : resolved.numberIndexType; + } + } + // Return the index type of the given kind in the given type. Creates synthetic union index types when necessary and + // maps primitive types and type parameters are to their apparent types. + function getIndexTypeOfType(type, kind) { + return getIndexTypeOfStructuredType(getApparentType(type), kind); + } + function getTypeParametersFromJSDocTemplate(declaration) { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + var templateTag = ts.getJSDocTemplateTag(declaration); + if (templateTag) { + return getTypeParametersFromDeclaration(templateTag.typeParameters); + } + } + return undefined; + } + // Return list of type parameters with duplicates removed (duplicate identifier errors are generated in the actual + // type checking functions). + function getTypeParametersFromDeclaration(typeParameterDeclarations) { + var result = []; + ts.forEach(typeParameterDeclarations, function (node) { + var tp = getDeclaredTypeOfTypeParameter(node.symbol); + if (!ts.contains(result, tp)) { + result.push(tp); + } + }); + return result; + } + function symbolsToArray(symbols) { + var result = []; + for (var id in symbols) { + if (!isReservedMemberName(id)) { + result.push(symbols[id]); + } + } + return result; + } + function isOptionalParameter(node) { + if (node.parserContextFlags & 32 /* JavaScriptFile */) { + if (node.type && node.type.kind === 263 /* JSDocOptionalType */) { + return true; + } + var paramTag = ts.getCorrespondingJSDocParameterTag(node); + if (paramTag) { + if (paramTag.isBracketed) { + return true; + } + if (paramTag.typeExpression) { + return paramTag.typeExpression.type.kind === 263 /* JSDocOptionalType */; + } + } + } + if (ts.hasQuestionToken(node)) { + return true; + } + if (node.initializer) { + var signatureDeclaration = node.parent; + var signature = getSignatureFromDeclaration(signatureDeclaration); + var parameterIndex = ts.indexOf(signatureDeclaration.parameters, node); + ts.Debug.assert(parameterIndex >= 0); + return parameterIndex >= signature.minArgumentCount; + } + return false; + } + function createTypePredicateFromTypePredicateNode(node) { + if (node.parameterName.kind === 69 /* Identifier */) { + var parameterName = node.parameterName; + return { + kind: 1 /* Identifier */, + parameterName: parameterName ? parameterName.text : undefined, + parameterIndex: parameterName ? getTypePredicateParameterIndex(node.parent.parameters, parameterName) : undefined, + type: getTypeFromTypeNode(node.type) + }; + } + else { + return { + kind: 0 /* This */, + type: getTypeFromTypeNode(node.type) + }; + } + } + function getSignatureFromDeclaration(declaration) { + var links = getNodeLinks(declaration); + if (!links.resolvedSignature) { + var classType = declaration.kind === 145 /* Constructor */ ? + getDeclaredTypeOfClassOrInterface(getMergedSymbol(declaration.parent.symbol)) + : undefined; + var typeParameters = classType ? classType.localTypeParameters : + declaration.typeParameters ? getTypeParametersFromDeclaration(declaration.typeParameters) : + getTypeParametersFromJSDocTemplate(declaration); + var parameters = []; + var hasStringLiterals = false; + var minArgumentCount = -1; + var isJSConstructSignature = ts.isJSDocConstructSignature(declaration); + var returnType = undefined; + var typePredicate = undefined; + // If this is a JSDoc construct signature, then skip the first parameter in the + // parameter list. The first parameter represents the return type of the construct + // signature. + for (var i = isJSConstructSignature ? 1 : 0, n = declaration.parameters.length; i < n; i++) { + var param = declaration.parameters[i]; + var paramSymbol = param.symbol; + // Include parameter symbol instead of property symbol in the signature + if (paramSymbol && !!(paramSymbol.flags & 4 /* Property */) && !ts.isBindingPattern(param.name)) { + var resolvedSymbol = resolveName(param, paramSymbol.name, 107455 /* Value */, undefined, undefined); + paramSymbol = resolvedSymbol; + } + parameters.push(paramSymbol); + if (param.type && param.type.kind === 163 /* StringLiteralType */) { + hasStringLiterals = true; + } + if (param.initializer || param.questionToken || param.dotDotDotToken) { + if (minArgumentCount < 0) { + minArgumentCount = i; + } + } + else { + // If we see any required parameters, it means the prior ones were not in fact optional. + minArgumentCount = -1; + } + } + if (minArgumentCount < 0) { + minArgumentCount = declaration.parameters.length; + } + if (isJSConstructSignature) { + minArgumentCount--; + returnType = getTypeFromTypeNode(declaration.parameters[0].type); + } + else if (classType) { + returnType = classType; + } + else if (declaration.type) { + returnType = getTypeFromTypeNode(declaration.type); + if (declaration.type.kind === 151 /* TypePredicate */) { + typePredicate = createTypePredicateFromTypePredicateNode(declaration.type); + } + } + else { + if (declaration.parserContextFlags & 32 /* JavaScriptFile */) { + var type = getReturnTypeFromJSDocComment(declaration); + if (type && type !== unknownType) { + returnType = type; + } + } + // TypeScript 1.0 spec (April 2014): + // If only one accessor includes a type annotation, the other behaves as if it had the same type annotation. + if (declaration.kind === 146 /* GetAccessor */ && !ts.hasDynamicName(declaration)) { + var setter = ts.getDeclarationOfKind(declaration.symbol, 147 /* SetAccessor */); + returnType = getAnnotatedAccessorType(setter); + } + if (!returnType && ts.nodeIsMissing(declaration.body)) { + returnType = anyType; + } + } + links.resolvedSignature = createSignature(declaration, typeParameters, parameters, returnType, typePredicate, minArgumentCount, ts.hasRestParameter(declaration), hasStringLiterals); + } + return links.resolvedSignature; + } + function getSignaturesOfSymbol(symbol) { + if (!symbol) + return emptyArray; + var result = []; + for (var i = 0, len = symbol.declarations.length; i < len; i++) { + var node = symbol.declarations[i]; + switch (node.kind) { + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 264 /* JSDocFunctionType */: + // Don't include signature if node is the implementation of an overloaded function. A node is considered + // an implementation node if it has a body and the previous node is of the same kind and immediately + // precedes the implementation node (i.e. has the same parent and ends where the implementation starts). + if (i > 0 && node.body) { + var previous = symbol.declarations[i - 1]; + if (node.parent === previous.parent && node.kind === previous.kind && node.pos === previous.end) { + break; + } + } + result.push(getSignatureFromDeclaration(node)); + } + } + return result; + } + function resolveExternalModuleTypeByLiteral(name) { + var moduleSym = resolveExternalModuleName(name, name); + if (moduleSym) { + var resolvedModuleSymbol = resolveExternalModuleSymbol(moduleSym); + if (resolvedModuleSymbol) { + return getTypeOfSymbol(resolvedModuleSymbol); + } + } + return anyType; + } + function getReturnTypeOfSignature(signature) { + if (!signature.resolvedReturnType) { + if (!pushTypeResolution(signature, 3 /* ResolvedReturnType */)) { + return unknownType; + } + var type = void 0; + if (signature.target) { + type = instantiateType(getReturnTypeOfSignature(signature.target), signature.mapper); + } + else if (signature.unionSignatures) { + type = getUnionType(ts.map(signature.unionSignatures, getReturnTypeOfSignature)); + } + else { + type = getReturnTypeFromBody(signature.declaration); + } + if (!popTypeResolution()) { + type = anyType; + if (compilerOptions.noImplicitAny) { + var declaration = signature.declaration; + if (declaration.name) { + error(declaration.name, ts.Diagnostics._0_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions, ts.declarationNameToString(declaration.name)); + } + else { + error(declaration, ts.Diagnostics.Function_implicitly_has_return_type_any_because_it_does_not_have_a_return_type_annotation_and_is_referenced_directly_or_indirectly_in_one_of_its_return_expressions); + } + } + } + signature.resolvedReturnType = type; + } + return signature.resolvedReturnType; + } + function getRestTypeOfSignature(signature) { + if (signature.hasRestParameter) { + var type = getTypeOfSymbol(ts.lastOrUndefined(signature.parameters)); + if (type.flags & 4096 /* Reference */ && type.target === globalArrayType) { + return type.typeArguments[0]; + } + } + return anyType; + } + function getSignatureInstantiation(signature, typeArguments) { + return instantiateSignature(signature, createTypeMapper(signature.typeParameters, typeArguments), /*eraseTypeParameters*/ true); + } + function getErasedSignature(signature) { + if (!signature.typeParameters) + return signature; + if (!signature.erasedSignatureCache) { + if (signature.target) { + signature.erasedSignatureCache = instantiateSignature(getErasedSignature(signature.target), signature.mapper); + } + else { + signature.erasedSignatureCache = instantiateSignature(signature, createTypeEraser(signature.typeParameters), /*eraseTypeParameters*/ true); + } + } + return signature.erasedSignatureCache; + } + function getOrCreateTypeFromSignature(signature) { + // There are two ways to declare a construct signature, one is by declaring a class constructor + // using the constructor keyword, and the other is declaring a bare construct signature in an + // object type literal or interface (using the new keyword). Each way of declaring a constructor + // will result in a different declaration kind. + if (!signature.isolatedSignatureType) { + var isConstructor = signature.declaration.kind === 145 /* Constructor */ || signature.declaration.kind === 149 /* ConstructSignature */; + var type = createObjectType(65536 /* Anonymous */ | 262144 /* FromSignature */); + type.members = emptySymbols; + type.properties = emptyArray; + type.callSignatures = !isConstructor ? [signature] : emptyArray; + type.constructSignatures = isConstructor ? [signature] : emptyArray; + signature.isolatedSignatureType = type; + } + return signature.isolatedSignatureType; + } + function getIndexSymbol(symbol) { + return symbol.members["__index"]; + } + function getIndexDeclarationOfSymbol(symbol, kind) { + var syntaxKind = kind === 1 /* Number */ ? 128 /* NumberKeyword */ : 130 /* StringKeyword */; + var indexSymbol = getIndexSymbol(symbol); + if (indexSymbol) { + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var node = decl; + if (node.parameters.length === 1) { + var parameter = node.parameters[0]; + if (parameter && parameter.type && parameter.type.kind === syntaxKind) { + return node; + } + } + } + } + return undefined; + } + function getIndexTypeOfSymbol(symbol, kind) { + var declaration = getIndexDeclarationOfSymbol(symbol, kind); + return declaration + ? declaration.type ? getTypeFromTypeNode(declaration.type) : anyType + : undefined; + } + function getConstraintDeclaration(type) { + return ts.getDeclarationOfKind(type.symbol, 138 /* TypeParameter */).constraint; + } + function hasConstraintReferenceTo(type, target) { + var checked; + while (type && !(type.flags & 33554432 /* ThisType */) && type.flags & 512 /* TypeParameter */ && !ts.contains(checked, type)) { + if (type === target) { + return true; + } + (checked || (checked = [])).push(type); + var constraintDeclaration = getConstraintDeclaration(type); + type = constraintDeclaration && getTypeFromTypeNode(constraintDeclaration); + } + return false; + } + function getConstraintOfTypeParameter(typeParameter) { + if (!typeParameter.constraint) { + if (typeParameter.target) { + var targetConstraint = getConstraintOfTypeParameter(typeParameter.target); + typeParameter.constraint = targetConstraint ? instantiateType(targetConstraint, typeParameter.mapper) : noConstraintType; + } + else { + var constraintDeclaration = getConstraintDeclaration(typeParameter); + var constraint = getTypeFromTypeNode(constraintDeclaration); + if (hasConstraintReferenceTo(constraint, typeParameter)) { + error(constraintDeclaration, ts.Diagnostics.Type_parameter_0_has_a_circular_constraint, typeToString(typeParameter)); + constraint = unknownType; + } + typeParameter.constraint = constraint; + } + } + return typeParameter.constraint === noConstraintType ? undefined : typeParameter.constraint; + } + function getParentSymbolOfTypeParameter(typeParameter) { + return getSymbolOfNode(ts.getDeclarationOfKind(typeParameter.symbol, 138 /* TypeParameter */).parent); + } + function getTypeListId(types) { + if (types) { + switch (types.length) { + case 1: + return "" + types[0].id; + case 2: + return types[0].id + "," + types[1].id; + default: + var result = ""; + for (var i = 0; i < types.length; i++) { + if (i > 0) { + result += ","; + } + result += types[i].id; + } + return result; + } + } + return ""; + } + // This function is used to propagate certain flags when creating new object type references and union types. + // It is only necessary to do so if a constituent type might be the undefined type, the null type, the type + // of an object literal or the anyFunctionType. This is because there are operations in the type checker + // that care about the presence of such types at arbitrary depth in a containing type. + function getPropagatingFlagsOfTypes(types) { + var result = 0; + for (var _i = 0, types_3 = types; _i < types_3.length; _i++) { + var type = types_3[_i]; + result |= type.flags; + } + return result & 14680064 /* PropagatingFlags */; + } + function createTypeReference(target, typeArguments) { + var id = getTypeListId(typeArguments); + var type = target.instantiations[id]; + if (!type) { + var flags = 4096 /* Reference */ | (typeArguments ? getPropagatingFlagsOfTypes(typeArguments) : 0); + type = target.instantiations[id] = createObjectType(flags, target.symbol); + type.target = target; + type.typeArguments = typeArguments; + } + return type; + } + // Get type from reference to class or interface + function getTypeFromClassOrInterfaceReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeParameters = type.localTypeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, typeToString(type, /*enclosingDeclaration*/ undefined, 1 /* WriteArrayAsGenericType */), typeParameters.length); + return unknownType; + } + // In a type reference, the outer type parameters of the referenced class or interface are automatically + // supplied as type arguments and the type reference only specifies arguments for the local type parameters + // of the class or interface. + return createTypeReference(type, ts.concatenate(type.outerTypeParameters, ts.map(node.typeArguments, getTypeFromTypeNode))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, typeToString(type)); + return unknownType; + } + return type; + } + // Get type from reference to type alias. When a type alias is generic, the declared type of the type alias may include + // references to the type parameters of the alias. We replace those with the actual type arguments by instantiating the + // declared type. Instantiations are cached using the type identities of the type arguments as the key. + function getTypeFromTypeAliasReference(node, symbol) { + var type = getDeclaredTypeOfSymbol(symbol); + var links = getSymbolLinks(symbol); + var typeParameters = links.typeParameters; + if (typeParameters) { + if (!node.typeArguments || node.typeArguments.length !== typeParameters.length) { + error(node, ts.Diagnostics.Generic_type_0_requires_1_type_argument_s, symbolToString(symbol), typeParameters.length); + return unknownType; + } + var typeArguments = ts.map(node.typeArguments, getTypeFromTypeNode); + var id = getTypeListId(typeArguments); + return links.instantiations[id] || (links.instantiations[id] = instantiateType(type, createTypeMapper(typeParameters, typeArguments))); + } + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return type; + } + // Get type from reference to named type that cannot be generic (enum or type parameter) + function getTypeFromNonGenericTypeReference(node, symbol) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Type_0_is_not_generic, symbolToString(symbol)); + return unknownType; + } + return getDeclaredTypeOfSymbol(symbol); + } + function getTypeReferenceName(node) { + switch (node.kind) { + case 152 /* TypeReference */: + return node.typeName; + case 262 /* JSDocTypeReference */: + return node.name; + case 191 /* ExpressionWithTypeArguments */: + // We only support expressions that are simple qualified names. For other + // expressions this produces undefined. + if (ts.isSupportedExpressionWithTypeArguments(node)) { + return node.expression; + } + } + return undefined; + } + function resolveTypeReferenceName(node, typeReferenceName) { + if (!typeReferenceName) { + return unknownSymbol; + } + return resolveEntityName(typeReferenceName, 793056 /* Type */) || unknownSymbol; + } + function getTypeReferenceType(node, symbol) { + if (symbol === unknownSymbol) { + return unknownType; + } + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + return getTypeFromClassOrInterfaceReference(node, symbol); + } + if (symbol.flags & 524288 /* TypeAlias */) { + return getTypeFromTypeAliasReference(node, symbol); + } + if (symbol.flags & 107455 /* Value */ && node.kind === 262 /* JSDocTypeReference */) { + // A JSDocTypeReference may have resolved to a value (as opposed to a type). In + // that case, the type of this reference is just the type of the value we resolved + // to. + return getTypeOfSymbol(symbol); + } + return getTypeFromNonGenericTypeReference(node, symbol); + } + function getTypeFromTypeReference(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var symbol = void 0; + var type = void 0; + if (node.kind === 262 /* JSDocTypeReference */) { + var typeReferenceName = getTypeReferenceName(node); + symbol = resolveTypeReferenceName(node, typeReferenceName); + type = getTypeReferenceType(node, symbol); + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + else { + // We only support expressions that are simple qualified names. For other expressions this produces undefined. + var typeNameOrExpression = node.kind === 152 /* TypeReference */ ? node.typeName : + ts.isSupportedExpressionWithTypeArguments(node) ? node.expression : + undefined; + symbol = typeNameOrExpression && resolveEntityName(typeNameOrExpression, 793056 /* Type */) || unknownSymbol; + type = symbol === unknownSymbol ? unknownType : + symbol.flags & (32 /* Class */ | 64 /* Interface */) ? getTypeFromClassOrInterfaceReference(node, symbol) : + symbol.flags & 524288 /* TypeAlias */ ? getTypeFromTypeAliasReference(node, symbol) : + getTypeFromNonGenericTypeReference(node, symbol); + } + // Cache both the resolved symbol and the resolved type. The resolved symbol is needed in when we check the + // type reference in checkTypeReferenceOrExpressionWithTypeArguments. + links.resolvedSymbol = symbol; + links.resolvedType = type; + } + return links.resolvedType; + } + function getTypeFromTypeQueryNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // The expression is processed as an identifier expression (section 4.3) + // or property access expression(section 4.10), + // the widened type(section 3.9) of which becomes the result. + links.resolvedType = getWidenedType(checkExpression(node.exprName)); + } + return links.resolvedType; + } + function getTypeOfGlobalSymbol(symbol, arity) { + function getTypeDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_3 = declarations; _i < declarations_3.length; _i++) { + var declaration = declarations_3[_i]; + switch (declaration.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + return declaration; + } + } + } + if (!symbol) { + return arity ? emptyGenericType : emptyObjectType; + } + var type = getDeclaredTypeOfSymbol(symbol); + if (!(type.flags & 80896 /* ObjectType */)) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_be_a_class_or_interface_type, symbol.name); + return arity ? emptyGenericType : emptyObjectType; + } + if ((type.typeParameters ? type.typeParameters.length : 0) !== arity) { + error(getTypeDeclaration(symbol), ts.Diagnostics.Global_type_0_must_have_1_type_parameter_s, symbol.name, arity); + return arity ? emptyGenericType : emptyObjectType; + } + return type; + } + function getGlobalValueSymbol(name) { + return getGlobalSymbol(name, 107455 /* Value */, ts.Diagnostics.Cannot_find_global_value_0); + } + function getGlobalTypeSymbol(name) { + return getGlobalSymbol(name, 793056 /* Type */, ts.Diagnostics.Cannot_find_global_type_0); + } + function getGlobalSymbol(name, meaning, diagnostic) { + return resolveName(undefined, name, meaning, diagnostic, name); + } + function getGlobalType(name, arity) { + if (arity === void 0) { arity = 0; } + return getTypeOfGlobalSymbol(getGlobalTypeSymbol(name), arity); + } + /** + * Returns a type that is inside a namespace at the global scope, e.g. + * getExportedTypeFromNamespace('JSX', 'Element') returns the JSX.Element type + */ + function getExportedTypeFromNamespace(namespace, name) { + var namespaceSymbol = getGlobalSymbol(namespace, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); + var typeSymbol = namespaceSymbol && getSymbol(namespaceSymbol.exports, name, 793056 /* Type */); + return typeSymbol && getDeclaredTypeOfSymbol(typeSymbol); + } + function getGlobalESSymbolConstructorSymbol() { + return globalESSymbolConstructorSymbol || (globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol")); + } + /** + * Creates a TypeReference for a generic `TypedPropertyDescriptor`. + */ + function createTypedPropertyDescriptorType(propertyType) { + var globalTypedPropertyDescriptorType = getGlobalTypedPropertyDescriptorType(); + return globalTypedPropertyDescriptorType !== emptyGenericType + ? createTypeReference(globalTypedPropertyDescriptorType, [propertyType]) + : emptyObjectType; + } + /** + * Instantiates a global type that is generic with some element type, and returns that instantiation. + */ + function createTypeFromGenericGlobalType(genericGlobalType, typeArguments) { + return genericGlobalType !== emptyGenericType ? createTypeReference(genericGlobalType, typeArguments) : emptyObjectType; + } + function createIterableType(elementType) { + return createTypeFromGenericGlobalType(globalIterableType, [elementType]); + } + function createIterableIteratorType(elementType) { + return createTypeFromGenericGlobalType(globalIterableIteratorType, [elementType]); + } + function createArrayType(elementType) { + return createTypeFromGenericGlobalType(globalArrayType, [elementType]); + } + function getTypeFromArrayTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createArrayType(getTypeFromTypeNode(node.elementType)); + } + return links.resolvedType; + } + function createTupleType(elementTypes) { + var id = getTypeListId(elementTypes); + return tupleTypes[id] || (tupleTypes[id] = createNewTupleType(elementTypes)); + } + function createNewTupleType(elementTypes) { + var type = createObjectType(8192 /* Tuple */ | getPropagatingFlagsOfTypes(elementTypes)); + type.elementTypes = elementTypes; + return type; + } + function getTypeFromTupleTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = createTupleType(ts.map(node.elementTypes, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function addTypeToSet(typeSet, type, typeSetKind) { + if (type.flags & typeSetKind) { + addTypesToSet(typeSet, type.types, typeSetKind); + } + else if (!ts.contains(typeSet, type)) { + typeSet.push(type); + } + } + // Add the given types to the given type set. Order is preserved, duplicates are removed, + // and nested types of the given kind are flattened into the set. + function addTypesToSet(typeSet, types, typeSetKind) { + for (var _i = 0, types_4 = types; _i < types_4.length; _i++) { + var type = types_4[_i]; + addTypeToSet(typeSet, type, typeSetKind); + } + } + function isSubtypeOfAny(candidate, types) { + for (var i = 0, len = types.length; i < len; i++) { + if (candidate !== types[i] && isTypeSubtypeOf(candidate, types[i])) { + return true; + } + } + return false; + } + function removeSubtypes(types) { + var i = types.length; + while (i > 0) { + i--; + if (isSubtypeOfAny(types[i], types)) { + types.splice(i, 1); + } + } + } + function containsTypeAny(types) { + for (var _i = 0, types_5 = types; _i < types_5.length; _i++) { + var type = types_5[_i]; + if (isTypeAny(type)) { + return true; + } + } + return false; + } + function removeAllButLast(types, typeToRemove) { + var i = types.length; + while (i > 0 && types.length > 1) { + i--; + if (types[i] === typeToRemove) { + types.splice(i, 1); + } + } + } + // We reduce the constituent type set to only include types that aren't subtypes of other types, unless + // the noSubtypeReduction flag is specified, in which case we perform a simple deduplication based on + // object identity. Subtype reduction is possible only when union types are known not to circularly + // reference themselves (as is the case with union types created by expression constructs such as array + // literals and the || and ?: operators). Named types can circularly reference themselves and therefore + // cannot be deduplicated during their declaration. For example, "type Item = string | (() => Item" is + // a named type that circularly references itself. + function getUnionType(types, noSubtypeReduction) { + if (types.length === 0) { + return emptyUnionType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 16384 /* Union */); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (noSubtypeReduction) { + removeAllButLast(typeSet, undefinedType); + removeAllButLast(typeSet, nullType); + } + else { + removeSubtypes(typeSet); + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = unionTypes[id]; + if (!type) { + type = unionTypes[id] = createObjectType(16384 /* Union */ | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromUnionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getUnionType(ts.map(node.types, getTypeFromTypeNode), /*noSubtypeReduction*/ true); + } + return links.resolvedType; + } + // We do not perform structural deduplication on intersection types. Intersection types are created only by the & + // type operator and we can't reduce those because we want to support recursive intersection types. For example, + // a type alias of the form "type List = T & { next: List }" cannot be reduced during its declaration. + // Also, unlike union types, the order of the constituent types is preserved in order that overload resolution + // for intersections of types with signatures can be deterministic. + function getIntersectionType(types) { + if (types.length === 0) { + return emptyObjectType; + } + var typeSet = []; + addTypesToSet(typeSet, types, 32768 /* Intersection */); + if (containsTypeAny(typeSet)) { + return anyType; + } + if (typeSet.length === 1) { + return typeSet[0]; + } + var id = getTypeListId(typeSet); + var type = intersectionTypes[id]; + if (!type) { + type = intersectionTypes[id] = createObjectType(32768 /* Intersection */ | getPropagatingFlagsOfTypes(typeSet)); + type.types = typeSet; + } + return type; + } + function getTypeFromIntersectionTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getIntersectionType(ts.map(node.types, getTypeFromTypeNode)); + } + return links.resolvedType; + } + function getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + // Deferred resolution of members is handled by resolveObjectTypeMembers + links.resolvedType = createObjectType(65536 /* Anonymous */, node.symbol); + } + return links.resolvedType; + } + function getStringLiteralTypeForText(text) { + if (ts.hasProperty(stringLiteralTypes, text)) { + return stringLiteralTypes[text]; + } + var type = stringLiteralTypes[text] = createType(256 /* StringLiteral */); + type.text = text; + return type; + } + function getTypeFromStringLiteralTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getStringLiteralTypeForText(node.text); + } + return links.resolvedType; + } + function getTypeFromJSDocVariadicType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var type = getTypeFromTypeNode(node.type); + links.resolvedType = type ? createArrayType(type) : unknownType; + } + return links.resolvedType; + } + function getTypeFromJSDocTupleType(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + var types = ts.map(node.types, getTypeFromTypeNode); + links.resolvedType = createTupleType(types); + } + return links.resolvedType; + } + function getThisType(node) { + var container = ts.getThisContainer(node, /*includeArrowFunctions*/ false); + var parent = container && container.parent; + if (parent && (ts.isClassLike(parent) || parent.kind === 218 /* InterfaceDeclaration */)) { + if (!(container.flags & 64 /* Static */) && + (container.kind !== 145 /* Constructor */ || ts.isNodeDescendentOf(node, container.body))) { + return getDeclaredTypeOfClassOrInterface(getSymbolOfNode(parent)).thisType; + } + } + error(node, ts.Diagnostics.A_this_type_is_available_only_in_a_non_static_member_of_a_class_or_interface); + return unknownType; + } + function getTypeFromThisTypeNode(node) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = getThisType(node); + } + return links.resolvedType; + } + function getTypeFromTypeNode(node) { + switch (node.kind) { + case 117 /* AnyKeyword */: + case 253 /* JSDocAllType */: + case 254 /* JSDocUnknownType */: + return anyType; + case 130 /* StringKeyword */: + return stringType; + case 128 /* NumberKeyword */: + return numberType; + case 120 /* BooleanKeyword */: + return booleanType; + case 131 /* SymbolKeyword */: + return esSymbolType; + case 103 /* VoidKeyword */: + return voidType; + case 162 /* ThisType */: + return getTypeFromThisTypeNode(node); + case 163 /* StringLiteralType */: + return getTypeFromStringLiteralTypeNode(node); + case 152 /* TypeReference */: + case 262 /* JSDocTypeReference */: + return getTypeFromTypeReference(node); + case 151 /* TypePredicate */: + return booleanType; + case 191 /* ExpressionWithTypeArguments */: + return getTypeFromTypeReference(node); + case 155 /* TypeQuery */: + return getTypeFromTypeQueryNode(node); + case 157 /* ArrayType */: + case 255 /* JSDocArrayType */: + return getTypeFromArrayTypeNode(node); + case 158 /* TupleType */: + return getTypeFromTupleTypeNode(node); + case 159 /* UnionType */: + case 256 /* JSDocUnionType */: + return getTypeFromUnionTypeNode(node); + case 160 /* IntersectionType */: + return getTypeFromIntersectionTypeNode(node); + case 161 /* ParenthesizedType */: + case 258 /* JSDocNullableType */: + case 259 /* JSDocNonNullableType */: + case 266 /* JSDocConstructorType */: + case 267 /* JSDocThisType */: + case 263 /* JSDocOptionalType */: + return getTypeFromTypeNode(node.type); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 156 /* TypeLiteral */: + case 264 /* JSDocFunctionType */: + case 260 /* JSDocRecordType */: + return getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + // This function assumes that an identifier or qualified name is a type expression + // Callers should first ensure this by calling isTypeNode + case 69 /* Identifier */: + case 136 /* QualifiedName */: + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + case 257 /* JSDocTupleType */: + return getTypeFromJSDocTupleType(node); + case 265 /* JSDocVariadicType */: + return getTypeFromJSDocVariadicType(node); + default: + return unknownType; + } + } + function instantiateList(items, mapper, instantiator) { + if (items && items.length) { + var result = []; + for (var _i = 0, items_1 = items; _i < items_1.length; _i++) { + var v = items_1[_i]; + result.push(instantiator(v, mapper)); + } + return result; + } + return items; + } + function createUnaryTypeMapper(source, target) { + return function (t) { return t === source ? target : t; }; + } + function createBinaryTypeMapper(source1, target1, source2, target2) { + return function (t) { return t === source1 ? target1 : t === source2 ? target2 : t; }; + } + function createTypeMapper(sources, targets) { + switch (sources.length) { + case 1: return createUnaryTypeMapper(sources[0], targets[0]); + case 2: return createBinaryTypeMapper(sources[0], targets[0], sources[1], targets[1]); + } + return function (t) { + for (var i = 0; i < sources.length; i++) { + if (t === sources[i]) { + return targets[i]; + } + } + return t; + }; + } + function createUnaryTypeEraser(source) { + return function (t) { return t === source ? anyType : t; }; + } + function createBinaryTypeEraser(source1, source2) { + return function (t) { return t === source1 || t === source2 ? anyType : t; }; + } + function createTypeEraser(sources) { + switch (sources.length) { + case 1: return createUnaryTypeEraser(sources[0]); + case 2: return createBinaryTypeEraser(sources[0], sources[1]); + } + return function (t) { + for (var _i = 0, sources_1 = sources; _i < sources_1.length; _i++) { + var source = sources_1[_i]; + if (t === source) { + return anyType; + } + } + return t; + }; + } + function getInferenceMapper(context) { + if (!context.mapper) { + var mapper = function (t) { + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (t === typeParameters[i]) { + context.inferences[i].isFixed = true; + return getInferredType(context, i); + } + } + return t; + }; + mapper.context = context; + context.mapper = mapper; + } + return context.mapper; + } + function identityMapper(type) { + return type; + } + function combineTypeMappers(mapper1, mapper2) { + return function (t) { return instantiateType(mapper1(t), mapper2); }; + } + function cloneTypeParameter(typeParameter) { + var result = createType(512 /* TypeParameter */); + result.symbol = typeParameter.symbol; + result.target = typeParameter; + return result; + } + function cloneTypePredicate(predicate, mapper) { + if (ts.isIdentifierTypePredicate(predicate)) { + return { + kind: 1 /* Identifier */, + parameterName: predicate.parameterName, + parameterIndex: predicate.parameterIndex, + type: instantiateType(predicate.type, mapper) + }; + } + else { + return { + kind: 0 /* This */, + type: instantiateType(predicate.type, mapper) + }; + } + } + function instantiateSignature(signature, mapper, eraseTypeParameters) { + var freshTypeParameters; + var freshTypePredicate; + if (signature.typeParameters && !eraseTypeParameters) { + // First create a fresh set of type parameters, then include a mapping from the old to the + // new type parameters in the mapper function. Finally store this mapper in the new type + // parameters such that we can use it when instantiating constraints. + freshTypeParameters = ts.map(signature.typeParameters, cloneTypeParameter); + mapper = combineTypeMappers(createTypeMapper(signature.typeParameters, freshTypeParameters), mapper); + for (var _i = 0, freshTypeParameters_1 = freshTypeParameters; _i < freshTypeParameters_1.length; _i++) { + var tp = freshTypeParameters_1[_i]; + tp.mapper = mapper; + } + } + if (signature.typePredicate) { + freshTypePredicate = cloneTypePredicate(signature.typePredicate, mapper); + } + var result = createSignature(signature.declaration, freshTypeParameters, instantiateList(signature.parameters, mapper, instantiateSymbol), instantiateType(signature.resolvedReturnType, mapper), freshTypePredicate, signature.minArgumentCount, signature.hasRestParameter, signature.hasStringLiterals); + result.target = signature; + result.mapper = mapper; + return result; + } + function instantiateSymbol(symbol, mapper) { + if (symbol.flags & 16777216 /* Instantiated */) { + var links = getSymbolLinks(symbol); + // If symbol being instantiated is itself a instantiation, fetch the original target and combine the + // type mappers. This ensures that original type identities are properly preserved and that aliases + // always reference a non-aliases. + symbol = links.target; + mapper = combineTypeMappers(links.mapper, mapper); + } + // Keep the flags from the symbol we're instantiating. Mark that is instantiated, and + // also transient so that we can just store data on it directly. + var result = createSymbol(16777216 /* Instantiated */ | 67108864 /* Transient */ | symbol.flags, symbol.name); + result.declarations = symbol.declarations; + result.parent = symbol.parent; + result.target = symbol; + result.mapper = mapper; + if (symbol.valueDeclaration) { + result.valueDeclaration = symbol.valueDeclaration; + } + return result; + } + function instantiateAnonymousType(type, mapper) { + if (mapper.instantiations) { + var cachedType = mapper.instantiations[type.id]; + if (cachedType) { + return cachedType; + } + } + else { + mapper.instantiations = []; + } + // Mark the anonymous type as instantiated such that our infinite instantiation detection logic can recognize it + var result = createObjectType(65536 /* Anonymous */ | 131072 /* Instantiated */, type.symbol); + result.target = type; + result.mapper = mapper; + mapper.instantiations[type.id] = result; + return result; + } + function instantiateType(type, mapper) { + if (type && mapper !== identityMapper) { + if (type.flags & 512 /* TypeParameter */) { + return mapper(type); + } + if (type.flags & 65536 /* Anonymous */) { + return type.symbol && type.symbol.flags & (16 /* Function */ | 8192 /* Method */ | 32 /* Class */ | 2048 /* TypeLiteral */ | 4096 /* ObjectLiteral */) ? + instantiateAnonymousType(type, mapper) : type; + } + if (type.flags & 4096 /* Reference */) { + return createTypeReference(type.target, instantiateList(type.typeArguments, mapper, instantiateType)); + } + if (type.flags & 8192 /* Tuple */) { + return createTupleType(instantiateList(type.elementTypes, mapper, instantiateType)); + } + if (type.flags & 16384 /* Union */) { + return getUnionType(instantiateList(type.types, mapper, instantiateType), /*noSubtypeReduction*/ true); + } + if (type.flags & 32768 /* Intersection */) { + return getIntersectionType(instantiateList(type.types, mapper, instantiateType)); + } + } + return type; + } + // Returns true if the given expression contains (at any level of nesting) a function or arrow expression + // that is subject to contextual typing. + function isContextSensitive(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + switch (node.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return isContextSensitiveFunctionLikeDeclaration(node); + case 168 /* ObjectLiteralExpression */: + return ts.forEach(node.properties, isContextSensitive); + case 167 /* ArrayLiteralExpression */: + return ts.forEach(node.elements, isContextSensitive); + case 185 /* ConditionalExpression */: + return isContextSensitive(node.whenTrue) || + isContextSensitive(node.whenFalse); + case 184 /* BinaryExpression */: + return node.operatorToken.kind === 52 /* BarBarToken */ && + (isContextSensitive(node.left) || isContextSensitive(node.right)); + case 248 /* PropertyAssignment */: + return isContextSensitive(node.initializer); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return isContextSensitiveFunctionLikeDeclaration(node); + case 175 /* ParenthesizedExpression */: + return isContextSensitive(node.expression); + } + return false; + } + function isContextSensitiveFunctionLikeDeclaration(node) { + return !node.typeParameters && node.parameters.length && !ts.forEach(node.parameters, function (p) { return p.type; }); + } + function getTypeWithoutSignatures(type) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.constructSignatures.length) { + var result = createObjectType(65536 /* Anonymous */, type.symbol); + result.members = resolved.members; + result.properties = resolved.properties; + result.callSignatures = emptyArray; + result.constructSignatures = emptyArray; + type = result; + } + } + return type; + } + // TYPE CHECKING + function isTypeIdenticalTo(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined); + } + function compareTypesIdentical(source, target) { + return checkTypeRelatedTo(source, target, identityRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; + } + function compareTypesAssignable(source, target) { + return checkTypeRelatedTo(source, target, assignableRelation, /*errorNode*/ undefined) ? -1 /* True */ : 0 /* False */; + } + function isTypeSubtypeOf(source, target) { + return checkTypeSubtypeOf(source, target, /*errorNode*/ undefined); + } + function isTypeAssignableTo(source, target) { + return checkTypeAssignableTo(source, target, /*errorNode*/ undefined); + } + function checkTypeSubtypeOf(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, subtypeRelation, errorNode, headMessage, containingMessageChain); + } + function checkTypeAssignableTo(source, target, errorNode, headMessage, containingMessageChain) { + return checkTypeRelatedTo(source, target, assignableRelation, errorNode, headMessage, containingMessageChain); + } + function isSignatureAssignableTo(source, target, ignoreReturnTypes) { + return compareSignaturesRelated(source, target, ignoreReturnTypes, /*reportErrors*/ false, /*errorReporter*/ undefined, compareTypesAssignable) !== 0 /* False */; + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesRelated(source, target, ignoreReturnTypes, reportErrors, errorReporter, compareTypes) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* True */; + } + if (!target.hasRestParameter && source.minArgumentCount > target.parameters.length) { + return 0 /* False */; + } + // Spec 1.0 Section 3.8.3 & 3.8.4: + // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1 /* True */; + var sourceMax = getNumNonRestParameters(source); + var targetMax = getNumNonRestParameters(target); + var checkCount = getNumParametersToCheckForSignatureRelatability(source, sourceMax, target, targetMax); + var sourceParams = source.parameters; + var targetParams = target.parameters; + for (var i = 0; i < checkCount; i++) { + var s = i < sourceMax ? getTypeOfSymbol(sourceParams[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(targetParams[i]) : getRestTypeOfSignature(target); + var related = compareTypes(t, s, /*reportErrors*/ false) || compareTypes(s, t, reportErrors); + if (!related) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Types_of_parameters_0_and_1_are_incompatible, sourceParams[i < sourceMax ? i : sourceMax].name, targetParams[i < targetMax ? i : targetMax].name); + } + return 0 /* False */; + } + result &= related; + } + if (!ignoreReturnTypes) { + var targetReturnType = getReturnTypeOfSignature(target); + if (targetReturnType === voidType) { + return result; + } + var sourceReturnType = getReturnTypeOfSignature(source); + // The following block preserves behavior forbidding boolean returning functions from being assignable to type guard returning functions + if (target.typePredicate) { + if (source.typePredicate) { + result &= compareTypePredicateRelatedTo(source.typePredicate, target.typePredicate, reportErrors, errorReporter, compareTypes); + } + else if (ts.isIdentifierTypePredicate(target.typePredicate)) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Signature_0_must_have_a_type_predicate, signatureToString(source)); + } + return 0 /* False */; + } + } + else { + result &= compareTypes(sourceReturnType, targetReturnType, reportErrors); + } + } + return result; + } + function compareTypePredicateRelatedTo(source, target, reportErrors, errorReporter, compareTypes) { + if (source.kind !== target.kind) { + if (reportErrors) { + errorReporter(ts.Diagnostics.A_this_based_type_guard_is_not_compatible_with_a_parameter_based_type_guard); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* False */; + } + if (source.kind === 1 /* Identifier */) { + var sourceIdentifierPredicate = source; + var targetIdentifierPredicate = target; + if (sourceIdentifierPredicate.parameterIndex !== targetIdentifierPredicate.parameterIndex) { + if (reportErrors) { + errorReporter(ts.Diagnostics.Parameter_0_is_not_in_the_same_position_as_parameter_1, sourceIdentifierPredicate.parameterName, targetIdentifierPredicate.parameterName); + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return 0 /* False */; + } + } + var related = compareTypes(source.type, target.type, reportErrors); + if (related === 0 /* False */ && reportErrors) { + errorReporter(ts.Diagnostics.Type_predicate_0_is_not_assignable_to_1, typePredicateToString(source), typePredicateToString(target)); + } + return related; + } + function isImplementationCompatibleWithOverload(implementation, overload) { + var erasedSource = getErasedSignature(implementation); + var erasedTarget = getErasedSignature(overload); + // First see if the return types are compatible in either direction. + var sourceReturnType = getReturnTypeOfSignature(erasedSource); + var targetReturnType = getReturnTypeOfSignature(erasedTarget); + if (targetReturnType === voidType + || checkTypeRelatedTo(targetReturnType, sourceReturnType, assignableRelation, /*errorNode*/ undefined) + || checkTypeRelatedTo(sourceReturnType, targetReturnType, assignableRelation, /*errorNode*/ undefined)) { + return isSignatureAssignableTo(erasedSource, erasedTarget, /*ignoreReturnTypes*/ true); + } + return false; + } + function getNumNonRestParameters(signature) { + var numParams = signature.parameters.length; + return signature.hasRestParameter ? + numParams - 1 : + numParams; + } + function getNumParametersToCheckForSignatureRelatability(source, sourceNonRestParamCount, target, targetNonRestParamCount) { + if (source.hasRestParameter === target.hasRestParameter) { + if (source.hasRestParameter) { + // If both have rest parameters, get the max and add 1 to + // compensate for the rest parameter. + return Math.max(sourceNonRestParamCount, targetNonRestParamCount) + 1; + } + else { + return Math.min(sourceNonRestParamCount, targetNonRestParamCount); + } + } + else { + // Return the count for whichever signature doesn't have rest parameters. + return source.hasRestParameter ? + targetNonRestParamCount : + sourceNonRestParamCount; + } + } + /** + * Checks if 'source' is related to 'target' (e.g.: is a assignable to). + * @param source The left-hand-side of the relation. + * @param target The right-hand-side of the relation. + * @param relation The relation considered. One of 'identityRelation', 'assignableRelation', or 'subTypeRelation'. + * Used as both to determine which checks are performed and as a cache of previously computed results. + * @param errorNode The suggested node upon which all errors will be reported, if defined. This may or may not be the actual node used. + * @param headMessage If the error chain should be prepended by a head message, then headMessage will be used. + * @param containingMessageChain A chain of errors to prepend any new errors found. + */ + function checkTypeRelatedTo(source, target, relation, errorNode, headMessage, containingMessageChain) { + var errorInfo; + var sourceStack; + var targetStack; + var maybeStack; + var expandingFlags; + var depth = 0; + var overflow = false; + ts.Debug.assert(relation !== identityRelation || !errorNode, "no error reporting in identity checking"); + var result = isRelatedTo(source, target, /*reportErrors*/ !!errorNode, headMessage); + if (overflow) { + error(errorNode, ts.Diagnostics.Excessive_stack_depth_comparing_types_0_and_1, typeToString(source), typeToString(target)); + } + else if (errorInfo) { + if (containingMessageChain) { + errorInfo = ts.concatenateDiagnosticMessageChains(containingMessageChain, errorInfo); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(errorNode, errorInfo)); + } + return result !== 0 /* False */; + function reportError(message, arg0, arg1, arg2) { + ts.Debug.assert(!!errorNode); + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + } + function reportRelationError(message, source, target) { + var sourceType = typeToString(source); + var targetType = typeToString(target); + if (sourceType === targetType) { + sourceType = typeToString(source, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); + targetType = typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */); + } + reportError(message || ts.Diagnostics.Type_0_is_not_assignable_to_type_1, sourceType, targetType); + } + // Compare two types and return + // Ternary.True if they are related with no assumptions, + // Ternary.Maybe if they are related with assumptions of other relationships, or + // Ternary.False if they are not related. + function isRelatedTo(source, target, reportErrors, headMessage) { + var result; + // both types are the same - covers 'they are the same primitive type or both are Any' or the same type parameter cases + if (source === target) + return -1 /* True */; + if (relation === identityRelation) { + return isIdenticalTo(source, target); + } + if (isTypeAny(target)) + return -1 /* True */; + if (source === undefinedType) + return -1 /* True */; + if (source === nullType && target !== undefinedType) + return -1 /* True */; + if (source.flags & 128 /* Enum */ && target === numberType) + return -1 /* True */; + if (source.flags & 128 /* Enum */ && target.flags & 128 /* Enum */) { + if (result = enumRelatedTo(source, target)) { + return result; + } + } + if (source.flags & 256 /* StringLiteral */ && target === stringType) + return -1 /* True */; + if (relation === assignableRelation) { + if (isTypeAny(source)) + return -1 /* True */; + if (source === numberType && target.flags & 128 /* Enum */) + return -1 /* True */; + } + if (source.flags & 8 /* Boolean */ && target.flags & 8 /* Boolean */) { + return -1 /* True */; + } + if (source.flags & 1048576 /* FreshObjectLiteral */) { + if (hasExcessProperties(source, target, reportErrors)) { + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0 /* False */; + } + // Above we check for excess properties with respect to the entire target type. When union + // and intersection types are further deconstructed on the target side, we don't want to + // make the check again (as it might fail for a partial target type). Therefore we obtain + // the regular source type and proceed with that. + if (target.flags & 49152 /* UnionOrIntersection */) { + source = getRegularTypeOfObjectLiteral(source); + } + } + var saveErrorInfo = errorInfo; + // Note that the "each" checks must precede the "some" checks to produce the correct results + if (source.flags & 16384 /* Union */) { + if (result = eachTypeRelatedToType(source, target, reportErrors)) { + return result; + } + } + else if (target.flags & 32768 /* Intersection */) { + if (result = typeRelatedToEachType(source, target, reportErrors)) { + return result; + } + } + else { + // It is necessary to try "some" checks on both sides because there may be nested "each" checks + // on either side that need to be prioritized. For example, A | B = (A | B) & (C | D) or + // A & B = (A & B) | (C & D). + if (source.flags & 32768 /* Intersection */) { + // If target is a union type the following check will report errors so we suppress them here + if (result = someTypeRelatedToType(source, target, reportErrors && !(target.flags & 16384 /* Union */))) { + return result; + } + } + if (target.flags & 16384 /* Union */) { + if (result = typeRelatedToSomeType(source, target, reportErrors)) { + return result; + } + } + } + if (source.flags & 512 /* TypeParameter */) { + var constraint = getConstraintOfTypeParameter(source); + if (!constraint || constraint.flags & 1 /* Any */) { + constraint = emptyObjectType; + } + // Report constraint errors only if the constraint is not the empty object type + var reportConstraintErrors = reportErrors && constraint !== emptyObjectType; + if (result = isRelatedTo(constraint, target, reportConstraintErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + else { + if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // We have type references to same target type, see if relationship holds for all type arguments + if (result = typeArgumentsRelatedTo(source, target, reportErrors)) { + return result; + } + } + // Even if relationship doesn't hold for unions, intersections, or generic type references, + // it may hold in a structural comparison. + var apparentSource = getApparentType(source); + // In a check of the form X = A & B, we will have previously checked if A relates to X or B relates + // to X. Failing both of those we want to check if the aggregation of A and B's members structurally + // relates to X. Thus, we include intersection types on the source side here. + if (apparentSource.flags & (80896 /* ObjectType */ | 32768 /* Intersection */) && target.flags & 80896 /* ObjectType */) { + // Report structural errors only if we haven't reported any errors yet + var reportStructuralErrors = reportErrors && errorInfo === saveErrorInfo && !(source.flags & 16777726 /* Primitive */); + if (result = objectTypeRelatedTo(apparentSource, source, target, reportStructuralErrors)) { + errorInfo = saveErrorInfo; + return result; + } + } + } + if (reportErrors) { + reportRelationError(headMessage, source, target); + } + return 0 /* False */; + } + function isIdenticalTo(source, target) { + var result; + if (source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */) { + if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // We have type references to same target type, see if all type arguments are identical + if (result = typeArgumentsRelatedTo(source, target, /*reportErrors*/ false)) { + return result; + } + } + return objectTypeRelatedTo(source, source, target, /*reportErrors*/ false); + } + if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || + source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { + if (result = eachTypeRelatedToSomeType(source, target)) { + if (result &= eachTypeRelatedToSomeType(target, source)) { + return result; + } + } + } + return 0 /* False */; + } + // Check if a property with the given name is known anywhere in the given type. In an object type, a property + // is considered known if the object type is empty and the check is for assignability, if the object type has + // index signatures, or if the property is actually declared in the object type. In a union or intersection + // type, a property is considered known if it is known in any constituent type. + function isKnownProperty(type, name) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (relation === assignableRelation && (type === globalObjectType || resolved.properties.length === 0) || + resolved.stringIndexType || resolved.numberIndexType || getPropertyOfType(type, name)) { + return true; + } + } + else if (type.flags & 49152 /* UnionOrIntersection */) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (isKnownProperty(t, name)) { + return true; + } + } + } + return false; + } + function hasExcessProperties(source, target, reportErrors) { + if (!(target.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */) && someConstituentTypeHasKind(target, 80896 /* ObjectType */)) { + for (var _i = 0, _a = getPropertiesOfObjectType(source); _i < _a.length; _i++) { + var prop = _a[_i]; + if (!isKnownProperty(target, prop.name)) { + if (reportErrors) { + // We know *exactly* where things went wrong when comparing the types. + // Use this property as the error node as this will be more helpful in + // reasoning about what went wrong. + ts.Debug.assert(!!errorNode); + errorNode = prop.valueDeclaration; + reportError(ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target)); + } + return true; + } + } + } + return false; + } + function eachTypeRelatedToSomeType(source, target) { + var result = -1 /* True */; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_1 = sourceTypes; _i < sourceTypes_1.length; _i++) { + var sourceType = sourceTypes_1[_i]; + var related = typeRelatedToSomeType(sourceType, target, /*reportErrors*/ false); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function typeRelatedToSomeType(source, target, reportErrors) { + var targetTypes = target.types; + for (var i = 0, len = targetTypes.length; i < len; i++) { + var related = isRelatedTo(source, targetTypes[i], reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0 /* False */; + } + function typeRelatedToEachType(source, target, reportErrors) { + var result = -1 /* True */; + var targetTypes = target.types; + for (var _i = 0, targetTypes_1 = targetTypes; _i < targetTypes_1.length; _i++) { + var targetType = targetTypes_1[_i]; + var related = isRelatedTo(source, targetType, reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function someTypeRelatedToType(source, target, reportErrors) { + var sourceTypes = source.types; + for (var i = 0, len = sourceTypes.length; i < len; i++) { + var related = isRelatedTo(sourceTypes[i], target, reportErrors && i === len - 1); + if (related) { + return related; + } + } + return 0 /* False */; + } + function eachTypeRelatedToType(source, target, reportErrors) { + var result = -1 /* True */; + var sourceTypes = source.types; + for (var _i = 0, sourceTypes_2 = sourceTypes; _i < sourceTypes_2.length; _i++) { + var sourceType = sourceTypes_2[_i]; + var related = isRelatedTo(sourceType, target, reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function typeArgumentsRelatedTo(source, target, reportErrors) { + var sources = source.typeArguments || emptyArray; + var targets = target.typeArguments || emptyArray; + if (sources.length !== targets.length && relation === identityRelation) { + return 0 /* False */; + } + var length = sources.length <= targets.length ? sources.length : targets.length; + var result = -1 /* True */; + for (var i = 0; i < length; i++) { + var related = isRelatedTo(sources[i], targets[i], reportErrors); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + // Determine if two object types are related by structure. First, check if the result is already available in the global cache. + // Second, check if we have already started a comparison of the given two types in which case we assume the result to be true. + // Third, check if both types are part of deeply nested chains of generic type instantiations and if so assume the types are + // equal and infinitely expanding. Fourth, if we have reached a depth of 100 nested comparisons, assume we have runaway recursion + // and issue an error. Otherwise, actually compare the structure of the two types. + function objectTypeRelatedTo(source, originalSource, target, reportErrors) { + if (overflow) { + return 0 /* False */; + } + var id = relation !== identityRelation || source.id < target.id ? source.id + "," + target.id : target.id + "," + source.id; + var related = relation[id]; + if (related !== undefined) { + if (reportErrors && related === 2 /* Failed */) { + // We are elaborating errors and the cached result is an unreported failure. Record the result as a reported + // failure and continue computing the relation such that errors get reported. + relation[id] = 3 /* FailedAndReported */; + } + else { + return related === 1 /* Succeeded */ ? -1 /* True */ : 0 /* False */; + } + } + if (depth > 0) { + for (var i = 0; i < depth; i++) { + // If source and target are already being compared, consider them related with assumptions + if (maybeStack[i][id]) { + return 1 /* Maybe */; + } + } + if (depth === 100) { + overflow = true; + return 0 /* False */; + } + } + else { + sourceStack = []; + targetStack = []; + maybeStack = []; + expandingFlags = 0; + } + sourceStack[depth] = source; + targetStack[depth] = target; + maybeStack[depth] = {}; + maybeStack[depth][id] = 1 /* Succeeded */; + depth++; + var saveExpandingFlags = expandingFlags; + if (!(expandingFlags & 1) && isDeeplyNestedGeneric(source, sourceStack, depth)) + expandingFlags |= 1; + if (!(expandingFlags & 2) && isDeeplyNestedGeneric(target, targetStack, depth)) + expandingFlags |= 2; + var result; + if (expandingFlags === 3) { + result = 1 /* Maybe */; + } + else { + result = propertiesRelatedTo(source, target, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 0 /* Call */, reportErrors); + if (result) { + result &= signaturesRelatedTo(source, target, 1 /* Construct */, reportErrors); + if (result) { + result &= stringIndexTypesRelatedTo(source, originalSource, target, reportErrors); + if (result) { + result &= numberIndexTypesRelatedTo(source, originalSource, target, reportErrors); + } + } + } + } + } + expandingFlags = saveExpandingFlags; + depth--; + if (result) { + var maybeCache = maybeStack[depth]; + // If result is definitely true, copy assumptions to global cache, else copy to next level up + var destinationCache = (result === -1 /* True */ || depth === 0) ? relation : maybeStack[depth - 1]; + ts.copyMap(maybeCache, destinationCache); + } + else { + // A false result goes straight into global cache (when something is false under assumptions it + // will also be false without assumptions) + relation[id] = reportErrors ? 3 /* FailedAndReported */ : 2 /* Failed */; + } + return result; + } + function propertiesRelatedTo(source, target, reportErrors) { + if (relation === identityRelation) { + return propertiesIdenticalTo(source, target); + } + var result = -1 /* True */; + var properties = getPropertiesOfObjectType(target); + var requireOptionalProperties = relation === subtypeRelation && !(source.flags & 524288 /* ObjectLiteral */); + for (var _i = 0, properties_1 = properties; _i < properties_1.length; _i++) { + var targetProp = properties_1[_i]; + var sourceProp = getPropertyOfType(source, targetProp.name); + if (sourceProp !== targetProp) { + if (!sourceProp) { + if (!(targetProp.flags & 536870912 /* Optional */) || requireOptionalProperties) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, symbolToString(targetProp), typeToString(source)); + } + return 0 /* False */; + } + } + else if (!(targetProp.flags & 134217728 /* Prototype */)) { + var sourcePropFlags = getDeclarationFlagsFromSymbol(sourceProp); + var targetPropFlags = getDeclarationFlagsFromSymbol(targetProp); + if (sourcePropFlags & 16 /* Private */ || targetPropFlags & 16 /* Private */) { + if (sourceProp.valueDeclaration !== targetProp.valueDeclaration) { + if (reportErrors) { + if (sourcePropFlags & 16 /* Private */ && targetPropFlags & 16 /* Private */) { + reportError(ts.Diagnostics.Types_have_separate_declarations_of_a_private_property_0, symbolToString(targetProp)); + } + else { + reportError(ts.Diagnostics.Property_0_is_private_in_type_1_but_not_in_type_2, symbolToString(targetProp), typeToString(sourcePropFlags & 16 /* Private */ ? source : target), typeToString(sourcePropFlags & 16 /* Private */ ? target : source)); + } + } + return 0 /* False */; + } + } + else if (targetPropFlags & 32 /* Protected */) { + var sourceDeclaredInClass = sourceProp.parent && sourceProp.parent.flags & 32 /* Class */; + var sourceClass = sourceDeclaredInClass ? getDeclaredTypeOfSymbol(getParentOfSymbol(sourceProp)) : undefined; + var targetClass = getDeclaredTypeOfSymbol(getParentOfSymbol(targetProp)); + if (!sourceClass || !hasBaseType(sourceClass, targetClass)) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_but_type_1_is_not_a_class_derived_from_2, symbolToString(targetProp), typeToString(sourceClass || source), typeToString(targetClass)); + } + return 0 /* False */; + } + } + else if (sourcePropFlags & 32 /* Protected */) { + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_protected_in_type_1_but_public_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* False */; + } + var related = isRelatedTo(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp), reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Types_of_property_0_are_incompatible, symbolToString(targetProp)); + } + return 0 /* False */; + } + result &= related; + if (sourceProp.flags & 536870912 /* Optional */ && !(targetProp.flags & 536870912 /* Optional */)) { + // TypeScript 1.0 spec (April 2014): 3.8.3 + // S is a subtype of a type T, and T is a supertype of S if ... + // S' and T are object types and, for each member M in T.. + // M is a property and S' contains a property N where + // if M is a required property, N is also a required property + // (M - property in T) + // (N - property in S) + if (reportErrors) { + reportError(ts.Diagnostics.Property_0_is_optional_in_type_1_but_required_in_type_2, symbolToString(targetProp), typeToString(source), typeToString(target)); + } + return 0 /* False */; + } + } + } + } + return result; + } + function propertiesIdenticalTo(source, target) { + if (!(source.flags & 80896 /* ObjectType */ && target.flags & 80896 /* ObjectType */)) { + return 0 /* False */; + } + var sourceProperties = getPropertiesOfObjectType(source); + var targetProperties = getPropertiesOfObjectType(target); + if (sourceProperties.length !== targetProperties.length) { + return 0 /* False */; + } + var result = -1 /* True */; + for (var _i = 0, sourceProperties_1 = sourceProperties; _i < sourceProperties_1.length; _i++) { + var sourceProp = sourceProperties_1[_i]; + var targetProp = getPropertyOfObjectType(target, sourceProp.name); + if (!targetProp) { + return 0 /* False */; + } + var related = compareProperties(sourceProp, targetProp, isRelatedTo); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function signaturesRelatedTo(source, target, kind, reportErrors) { + if (relation === identityRelation) { + return signaturesIdenticalTo(source, target, kind); + } + if (target === anyFunctionType || source === anyFunctionType) { + return -1 /* True */; + } + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (kind === 1 /* Construct */ && sourceSignatures.length && targetSignatures.length && + isAbstractConstructorType(source) && !isAbstractConstructorType(target)) { + // An abstract constructor type is not assignable to a non-abstract constructor type + // as it would otherwise be possible to new an abstract class. Note that the assignablity + // check we perform for an extends clause excludes construct signatures from the target, + // so this check never proceeds. + if (reportErrors) { + reportError(ts.Diagnostics.Cannot_assign_an_abstract_constructor_type_to_a_non_abstract_constructor_type); + } + return 0 /* False */; + } + var result = -1 /* True */; + var saveErrorInfo = errorInfo; + outer: for (var _i = 0, targetSignatures_1 = targetSignatures; _i < targetSignatures_1.length; _i++) { + var t = targetSignatures_1[_i]; + if (!t.hasStringLiterals || target.flags & 262144 /* FromSignature */) { + // Only elaborate errors from the first failure + var shouldElaborateErrors = reportErrors; + for (var _a = 0, sourceSignatures_1 = sourceSignatures; _a < sourceSignatures_1.length; _a++) { + var s = sourceSignatures_1[_a]; + if (!s.hasStringLiterals || source.flags & 262144 /* FromSignature */) { + var related = signatureRelatedTo(s, t, shouldElaborateErrors); + if (related) { + result &= related; + errorInfo = saveErrorInfo; + continue outer; + } + shouldElaborateErrors = false; + } + } + // don't elaborate the primitive apparent types (like Number) + // because the actual primitives will have already been reported. + if (shouldElaborateErrors) { + reportError(ts.Diagnostics.Type_0_provides_no_match_for_the_signature_1, typeToString(source), signatureToString(t, /*enclosingDeclaration*/ undefined, /*flags*/ undefined, kind)); + } + return 0 /* False */; + } + } + return result; + } + /** + * See signatureAssignableTo, compareSignaturesIdentical + */ + function signatureRelatedTo(source, target, reportErrors) { + return compareSignaturesRelated(source, target, /*ignoreReturnTypes*/ false, reportErrors, reportError, isRelatedTo); + } + function signaturesIdenticalTo(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + if (sourceSignatures.length !== targetSignatures.length) { + return 0 /* False */; + } + var result = -1 /* True */; + for (var i = 0, len = sourceSignatures.length; i < len; i++) { + var related = compareSignaturesIdentical(sourceSignatures[i], targetSignatures[i], /*partialMatch*/ false, /*ignoreReturnTypes*/ false, isRelatedTo); + if (!related) { + return 0 /* False */; + } + result &= related; + } + return result; + } + function stringIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(0 /* String */, source, target); + } + var targetType = getIndexTypeOfType(target, 0 /* String */); + if (targetType) { + if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { + // non-primitive assignment to any is always allowed, eg + // `var x: { [index: string]: any } = { property: 12 };` + return -1 /* True */; + } + var sourceType = getIndexTypeOfType(source, 0 /* String */); + if (!sourceType) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0 /* False */; + } + var related = isRelatedTo(sourceType, targetType, reportErrors); + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0 /* False */; + } + return related; + } + return -1 /* True */; + } + function numberIndexTypesRelatedTo(source, originalSource, target, reportErrors) { + if (relation === identityRelation) { + return indexTypesIdenticalTo(1 /* Number */, source, target); + } + var targetType = getIndexTypeOfType(target, 1 /* Number */); + if (targetType) { + if ((targetType.flags & 1 /* Any */) && !(originalSource.flags & 16777726 /* Primitive */)) { + // non-primitive assignment to any is always allowed, eg + // `var x: { [index: number]: any } = { property: 12 };` + return -1 /* True */; + } + var sourceStringType = getIndexTypeOfType(source, 0 /* String */); + var sourceNumberType = getIndexTypeOfType(source, 1 /* Number */); + if (!(sourceStringType || sourceNumberType)) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signature_is_missing_in_type_0, typeToString(source)); + } + return 0 /* False */; + } + var related = void 0; + if (sourceStringType && sourceNumberType) { + // If we know for sure we're testing both string and numeric index types then only report errors from the second one + related = isRelatedTo(sourceStringType, targetType, /*reportErrors*/ false) || isRelatedTo(sourceNumberType, targetType, reportErrors); + } + else { + related = isRelatedTo(sourceStringType || sourceNumberType, targetType, reportErrors); + } + if (!related) { + if (reportErrors) { + reportError(ts.Diagnostics.Index_signatures_are_incompatible); + } + return 0 /* False */; + } + return related; + } + return -1 /* True */; + } + function indexTypesIdenticalTo(indexKind, source, target) { + var targetType = getIndexTypeOfType(target, indexKind); + var sourceType = getIndexTypeOfType(source, indexKind); + if (!sourceType && !targetType) { + return -1 /* True */; + } + if (sourceType && targetType) { + return isRelatedTo(sourceType, targetType); + } + return 0 /* False */; + } + function enumRelatedTo(source, target) { + if (source.symbol.name !== target.symbol.name || + source.symbol.flags & 128 /* ConstEnum */ || + target.symbol.flags & 128 /* ConstEnum */) { + return 0 /* False */; + } + var targetEnumType = getTypeOfSymbol(target.symbol); + for (var _i = 0, _a = getPropertiesOfType(getTypeOfSymbol(source.symbol)); _i < _a.length; _i++) { + var property = _a[_i]; + if (property.flags & 8 /* EnumMember */) { + var targetProperty = getPropertyOfType(targetEnumType, property.name); + if (!targetProperty || !(targetProperty.flags & 8 /* EnumMember */)) { + reportError(ts.Diagnostics.Property_0_is_missing_in_type_1, property.name, typeToString(target, /*enclosingDeclaration*/ undefined, 128 /* UseFullyQualifiedType */)); + return 0 /* False */; + } + } + } + return -1 /* True */; + } + } + // Return true if the given type is the constructor type for an abstract class + function isAbstractConstructorType(type) { + if (type.flags & 65536 /* Anonymous */) { + var symbol = type.symbol; + if (symbol && symbol.flags & 32 /* Class */) { + var declaration = getClassLikeDeclarationOfSymbol(symbol); + if (declaration && declaration.flags & 128 /* Abstract */) { + return true; + } + } + } + return false; + } + // Return true if the given type is part of a deeply nested chain of generic instantiations. We consider this to be the case + // when structural type comparisons have been started for 10 or more instantiations of the same generic type. It is possible, + // though highly unlikely, for this test to be true in a situation where a chain of instantiations is not infinitely expanding. + // Effectively, we will generate a false positive when two types are structurally equal to at least 10 levels, but unequal at + // some level beyond that. + function isDeeplyNestedGeneric(type, stack, depth) { + // We track type references (created by createTypeReference) and instantiated types (created by instantiateType) + if (type.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && depth >= 5) { + var symbol = type.symbol; + var count = 0; + for (var i = 0; i < depth; i++) { + var t = stack[i]; + if (t.flags & (4096 /* Reference */ | 131072 /* Instantiated */) && t.symbol === symbol) { + count++; + if (count >= 5) + return true; + } + } + } + return false; + } + function isPropertyIdenticalTo(sourceProp, targetProp) { + return compareProperties(sourceProp, targetProp, compareTypesIdentical) !== 0 /* False */; + } + function compareProperties(sourceProp, targetProp, compareTypes) { + // Two members are considered identical when + // - they are public properties with identical names, optionality, and types, + // - they are private or protected properties originating in the same declaration and having identical types + if (sourceProp === targetProp) { + return -1 /* True */; + } + var sourcePropAccessibility = getDeclarationFlagsFromSymbol(sourceProp) & (16 /* Private */ | 32 /* Protected */); + var targetPropAccessibility = getDeclarationFlagsFromSymbol(targetProp) & (16 /* Private */ | 32 /* Protected */); + if (sourcePropAccessibility !== targetPropAccessibility) { + return 0 /* False */; + } + if (sourcePropAccessibility) { + if (getTargetSymbol(sourceProp) !== getTargetSymbol(targetProp)) { + return 0 /* False */; + } + } + else { + if ((sourceProp.flags & 536870912 /* Optional */) !== (targetProp.flags & 536870912 /* Optional */)) { + return 0 /* False */; + } + } + return compareTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + function isMatchingSignature(source, target, partialMatch) { + // A source signature matches a target signature if the two signatures have the same number of required, + // optional, and rest parameters. + if (source.parameters.length === target.parameters.length && + source.minArgumentCount === target.minArgumentCount && + source.hasRestParameter === target.hasRestParameter) { + return true; + } + // A source signature partially matches a target signature if the target signature has no fewer required + // parameters and no more overall parameters than the source signature (where a signature with a rest + // parameter is always considered to have more overall parameters than one without). + if (partialMatch && source.minArgumentCount <= target.minArgumentCount && (source.hasRestParameter && !target.hasRestParameter || + source.hasRestParameter === target.hasRestParameter && source.parameters.length >= target.parameters.length)) { + return true; + } + return false; + } + /** + * See signatureRelatedTo, compareSignaturesIdentical + */ + function compareSignaturesIdentical(source, target, partialMatch, ignoreReturnTypes, compareTypes) { + // TODO (drosen): De-duplicate code between related functions. + if (source === target) { + return -1 /* True */; + } + if (!(isMatchingSignature(source, target, partialMatch))) { + return 0 /* False */; + } + // Check that the two signatures have the same number of type parameters. We might consider + // also checking that any type parameter constraints match, but that would require instantiating + // the constraints with a common set of type arguments to get relatable entities in places where + // type parameters occur in the constraints. The complexity of doing that doesn't seem worthwhile, + // particularly as we're comparing erased versions of the signatures below. + if ((source.typeParameters ? source.typeParameters.length : 0) !== (target.typeParameters ? target.typeParameters.length : 0)) { + return 0 /* False */; + } + // Spec 1.0 Section 3.8.3 & 3.8.4: + // M and N (the signatures) are instantiated using type Any as the type argument for all type parameters declared by M and N + source = getErasedSignature(source); + target = getErasedSignature(target); + var result = -1 /* True */; + var targetLen = target.parameters.length; + for (var i = 0; i < targetLen; i++) { + var s = isRestParameterIndex(source, i) ? getRestTypeOfSignature(source) : getTypeOfSymbol(source.parameters[i]); + var t = isRestParameterIndex(target, i) ? getRestTypeOfSignature(target) : getTypeOfSymbol(target.parameters[i]); + var related = compareTypes(s, t); + if (!related) { + return 0 /* False */; + } + result &= related; + } + if (!ignoreReturnTypes) { + result &= compareTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + return result; + } + function isRestParameterIndex(signature, parameterIndex) { + return signature.hasRestParameter && parameterIndex >= signature.parameters.length - 1; + } + function isSupertypeOfEach(candidate, types) { + for (var _i = 0, types_6 = types; _i < types_6.length; _i++) { + var type = types_6[_i]; + if (candidate !== type && !isTypeSubtypeOf(type, candidate)) + return false; + } + return true; + } + function getCommonSupertype(types) { + return ts.forEach(types, function (t) { return isSupertypeOfEach(t, types) ? t : undefined; }); + } + function reportNoCommonSupertypeError(types, errorLocation, errorMessageChainHead) { + // The downfallType/bestSupertypeDownfallType is the first type that caused a particular candidate + // to not be the common supertype. So if it weren't for this one downfallType (and possibly others), + // the type in question could have been the common supertype. + var bestSupertype; + var bestSupertypeDownfallType; + var bestSupertypeScore = 0; + for (var i = 0; i < types.length; i++) { + var score = 0; + var downfallType = undefined; + for (var j = 0; j < types.length; j++) { + if (isTypeSubtypeOf(types[j], types[i])) { + score++; + } + else if (!downfallType) { + downfallType = types[j]; + } + } + ts.Debug.assert(!!downfallType, "If there is no common supertype, each type should have a downfallType"); + if (score > bestSupertypeScore) { + bestSupertype = types[i]; + bestSupertypeDownfallType = downfallType; + bestSupertypeScore = score; + } + // types.length - 1 is the maximum score, given that getCommonSupertype returned false + if (bestSupertypeScore === types.length - 1) { + break; + } + } + // In the following errors, the {1} slot is before the {0} slot because checkTypeSubtypeOf supplies the + // subtype as the first argument to the error + checkTypeSubtypeOf(bestSupertypeDownfallType, bestSupertype, errorLocation, ts.Diagnostics.Type_argument_candidate_1_is_not_a_valid_type_argument_because_it_is_not_a_supertype_of_candidate_0, errorMessageChainHead); + } + function isArrayType(type) { + return type.flags & 4096 /* Reference */ && type.target === globalArrayType; + } + function isArrayLikeType(type) { + // A type is array-like if it is not the undefined or null type and if it is assignable to any[] + return !(type.flags & (32 /* Undefined */ | 64 /* Null */)) && isTypeAssignableTo(type, anyArrayType); + } + function isTupleLikeType(type) { + return !!getPropertyOfType(type, "0"); + } + function isStringLiteralType(type) { + return type.flags & 256 /* StringLiteral */; + } + /** + * Check if a Type was written as a tuple type literal. + * Prefer using isTupleLikeType() unless the use of `elementTypes` is required. + */ + function isTupleType(type) { + return !!(type.flags & 8192 /* Tuple */); + } + function getRegularTypeOfObjectLiteral(type) { + if (type.flags & 1048576 /* FreshObjectLiteral */) { + var regularType = type.regularType; + if (!regularType) { + regularType = createType(type.flags & ~1048576 /* FreshObjectLiteral */); + regularType.symbol = type.symbol; + regularType.members = type.members; + regularType.properties = type.properties; + regularType.callSignatures = type.callSignatures; + regularType.constructSignatures = type.constructSignatures; + regularType.stringIndexType = type.stringIndexType; + regularType.numberIndexType = type.numberIndexType; + type.regularType = regularType; + } + return regularType; + } + return type; + } + function getWidenedTypeOfObjectLiteral(type) { + var properties = getPropertiesOfObjectType(type); + var members = {}; + ts.forEach(properties, function (p) { + var propType = getTypeOfSymbol(p); + var widenedType = getWidenedType(propType); + if (propType !== widenedType) { + var symbol = createSymbol(p.flags | 67108864 /* Transient */, p.name); + symbol.declarations = p.declarations; + symbol.parent = p.parent; + symbol.type = widenedType; + symbol.target = p; + if (p.valueDeclaration) + symbol.valueDeclaration = p.valueDeclaration; + p = symbol; + } + members[p.name] = p; + }); + var stringIndexType = getIndexTypeOfType(type, 0 /* String */); + var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); + if (stringIndexType) + stringIndexType = getWidenedType(stringIndexType); + if (numberIndexType) + numberIndexType = getWidenedType(numberIndexType); + return createAnonymousType(type.symbol, members, emptyArray, emptyArray, stringIndexType, numberIndexType); + } + function getWidenedType(type) { + if (type.flags & 6291456 /* RequiresWidening */) { + if (type.flags & (32 /* Undefined */ | 64 /* Null */)) { + return anyType; + } + if (type.flags & 524288 /* ObjectLiteral */) { + return getWidenedTypeOfObjectLiteral(type); + } + if (type.flags & 16384 /* Union */) { + return getUnionType(ts.map(type.types, getWidenedType), /*noSubtypeReduction*/ true); + } + if (isArrayType(type)) { + return createArrayType(getWidenedType(type.typeArguments[0])); + } + if (isTupleType(type)) { + return createTupleType(ts.map(type.elementTypes, getWidenedType)); + } + } + return type; + } + /** + * Reports implicit any errors that occur as a result of widening 'null' and 'undefined' + * to 'any'. A call to reportWideningErrorsInType is normally accompanied by a call to + * getWidenedType. But in some cases getWidenedType is called without reporting errors + * (type argument inference is an example). + * + * The return value indicates whether an error was in fact reported. The particular circumstances + * are on a best effort basis. Currently, if the null or undefined that causes widening is inside + * an object literal property (arbitrarily deeply), this function reports an error. If no error is + * reported, reportImplicitAnyError is a suitable fallback to report a general error. + */ + function reportWideningErrorsInType(type) { + var errorReported = false; + if (type.flags & 16384 /* Union */) { + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (isArrayType(type)) { + return reportWideningErrorsInType(type.typeArguments[0]); + } + if (isTupleType(type)) { + for (var _b = 0, _c = type.elementTypes; _b < _c.length; _b++) { + var t = _c[_b]; + if (reportWideningErrorsInType(t)) { + errorReported = true; + } + } + } + if (type.flags & 524288 /* ObjectLiteral */) { + for (var _d = 0, _e = getPropertiesOfObjectType(type); _d < _e.length; _d++) { + var p = _e[_d]; + var t = getTypeOfSymbol(p); + if (t.flags & 2097152 /* ContainsUndefinedOrNull */) { + if (!reportWideningErrorsInType(t)) { + error(p.valueDeclaration, ts.Diagnostics.Object_literal_s_property_0_implicitly_has_an_1_type, p.name, typeToString(getWidenedType(t))); + } + errorReported = true; + } + } + } + return errorReported; + } + function reportImplicitAnyError(declaration, type) { + var typeAsString = typeToString(getWidenedType(type)); + var diagnostic; + switch (declaration.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + diagnostic = ts.Diagnostics.Member_0_implicitly_has_an_1_type; + break; + case 139 /* Parameter */: + diagnostic = declaration.dotDotDotToken ? + ts.Diagnostics.Rest_parameter_0_implicitly_has_an_any_type : + ts.Diagnostics.Parameter_0_implicitly_has_an_1_type; + break; + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!declaration.name) { + error(declaration, ts.Diagnostics.Function_expression_which_lacks_return_type_annotation_implicitly_has_an_0_return_type, typeAsString); + return; + } + diagnostic = ts.Diagnostics._0_which_lacks_return_type_annotation_implicitly_has_an_1_return_type; + break; + default: + diagnostic = ts.Diagnostics.Variable_0_implicitly_has_an_1_type; + } + error(declaration, diagnostic, ts.declarationNameToString(declaration.name), typeAsString); + } + function reportErrorsFromWidening(declaration, type) { + if (produceDiagnostics && compilerOptions.noImplicitAny && type.flags & 2097152 /* ContainsUndefinedOrNull */) { + // Report implicit any error within type if possible, otherwise report error on declaration + if (!reportWideningErrorsInType(type)) { + reportImplicitAnyError(declaration, type); + } + } + } + function forEachMatchingParameterType(source, target, callback) { + var sourceMax = source.parameters.length; + var targetMax = target.parameters.length; + var count; + if (source.hasRestParameter && target.hasRestParameter) { + count = sourceMax > targetMax ? sourceMax : targetMax; + sourceMax--; + targetMax--; + } + else if (source.hasRestParameter) { + sourceMax--; + count = targetMax; + } + else if (target.hasRestParameter) { + targetMax--; + count = sourceMax; + } + else { + count = sourceMax < targetMax ? sourceMax : targetMax; + } + for (var i = 0; i < count; i++) { + var s = i < sourceMax ? getTypeOfSymbol(source.parameters[i]) : getRestTypeOfSignature(source); + var t = i < targetMax ? getTypeOfSymbol(target.parameters[i]) : getRestTypeOfSignature(target); + callback(s, t); + } + } + function createInferenceContext(typeParameters, inferUnionTypes) { + var inferences = ts.map(typeParameters, createTypeInferencesObject); + return { + typeParameters: typeParameters, + inferUnionTypes: inferUnionTypes, + inferences: inferences, + inferredTypes: new Array(typeParameters.length) + }; + } + function createTypeInferencesObject() { + return { + primary: undefined, + secondary: undefined, + isFixed: false + }; + } + function inferTypes(context, source, target) { + var sourceStack; + var targetStack; + var depth = 0; + var inferiority = 0; + inferFromTypes(source, target); + function isInProcess(source, target) { + for (var i = 0; i < depth; i++) { + if (source === sourceStack[i] && target === targetStack[i]) { + return true; + } + } + return false; + } + function inferFromTypes(source, target) { + if (source.flags & 16384 /* Union */ && target.flags & 16384 /* Union */ || + source.flags & 32768 /* Intersection */ && target.flags & 32768 /* Intersection */) { + // Source and target are both unions or both intersections. First, find each + // target constituent type that has an identically matching source constituent + // type, and for each such target constituent type infer from the type to itself. + // When inferring from a type to itself we effectively find all type parameter + // occurrences within that type and infer themselves as their type arguments. + var matchingTypes = void 0; + for (var _i = 0, _a = target.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (typeIdenticalToSomeType(t, source.types)) { + (matchingTypes || (matchingTypes = [])).push(t); + inferFromTypes(t, t); + } + } + // Next, to improve the quality of inferences, reduce the source and target types by + // removing the identically matched constituents. For example, when inferring from + // 'string | string[]' to 'string | T' we reduce the types to 'string[]' and 'T'. + if (matchingTypes) { + source = removeTypesFromUnionOrIntersection(source, matchingTypes); + target = removeTypesFromUnionOrIntersection(target, matchingTypes); + } + } + if (target.flags & 512 /* TypeParameter */) { + // If target is a type parameter, make an inference, unless the source type contains + // the anyFunctionType (the wildcard type that's used to avoid contextually typing functions). + // Because the anyFunctionType is internal, it should not be exposed to the user by adding + // it as an inference candidate. Hopefully, a better candidate will come along that does + // not contain anyFunctionType when we come back to this argument for its second round + // of inference. + if (source.flags & 8388608 /* ContainsAnyFunctionType */) { + return; + } + var typeParameters = context.typeParameters; + for (var i = 0; i < typeParameters.length; i++) { + if (target === typeParameters[i]) { + var inferences = context.inferences[i]; + if (!inferences.isFixed) { + // Any inferences that are made to a type parameter in a union type are inferior + // to inferences made to a flat (non-union) type. This is because if we infer to + // T | string[], we really don't know if we should be inferring to T or not (because + // the correct constituent on the target side could be string[]). Therefore, we put + // such inferior inferences into a secondary bucket, and only use them if the primary + // bucket is empty. + var candidates = inferiority ? + inferences.secondary || (inferences.secondary = []) : + inferences.primary || (inferences.primary = []); + if (!ts.contains(candidates, source)) { + candidates.push(source); + } + } + return; + } + } + } + else if (source.flags & 4096 /* Reference */ && target.flags & 4096 /* Reference */ && source.target === target.target) { + // If source and target are references to the same generic type, infer from type arguments + var sourceTypes = source.typeArguments || emptyArray; + var targetTypes = target.typeArguments || emptyArray; + var count = sourceTypes.length < targetTypes.length ? sourceTypes.length : targetTypes.length; + for (var i = 0; i < count; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (source.flags & 8192 /* Tuple */ && target.flags & 8192 /* Tuple */ && source.elementTypes.length === target.elementTypes.length) { + // If source and target are tuples of the same size, infer from element types + var sourceTypes = source.elementTypes; + var targetTypes = target.elementTypes; + for (var i = 0; i < sourceTypes.length; i++) { + inferFromTypes(sourceTypes[i], targetTypes[i]); + } + } + else if (target.flags & 49152 /* UnionOrIntersection */) { + var targetTypes = target.types; + var typeParameterCount = 0; + var typeParameter = void 0; + // First infer to each type in union or intersection that isn't a type parameter + for (var _b = 0, targetTypes_2 = targetTypes; _b < targetTypes_2.length; _b++) { + var t = targetTypes_2[_b]; + if (t.flags & 512 /* TypeParameter */ && ts.contains(context.typeParameters, t)) { + typeParameter = t; + typeParameterCount++; + } + else { + inferFromTypes(source, t); + } + } + // Next, if target is a union type containing a single naked type parameter, make a + // secondary inference to that type parameter. We don't do this for intersection types + // because in a target type like Foo & T we don't know how which parts of the source type + // should be matched by Foo and which should be inferred to T. + if (target.flags & 16384 /* Union */ && typeParameterCount === 1) { + inferiority++; + inferFromTypes(source, typeParameter); + inferiority--; + } + } + else if (source.flags & 49152 /* UnionOrIntersection */) { + // Source is a union or intersection type, infer from each consituent type + var sourceTypes = source.types; + for (var _c = 0, sourceTypes_3 = sourceTypes; _c < sourceTypes_3.length; _c++) { + var sourceType = sourceTypes_3[_c]; + inferFromTypes(sourceType, target); + } + } + else { + source = getApparentType(source); + if (source.flags & 80896 /* ObjectType */ && (target.flags & 4096 /* Reference */ && target.typeArguments || + target.flags & 8192 /* Tuple */ || + target.flags & 65536 /* Anonymous */ && target.symbol && target.symbol.flags & (8192 /* Method */ | 2048 /* TypeLiteral */ | 32 /* Class */))) { + // If source is an object type, and target is a type reference with type arguments, a tuple type, + // the type of a method, or a type literal, infer from members + if (isInProcess(source, target)) { + return; + } + if (isDeeplyNestedGeneric(source, sourceStack, depth) && isDeeplyNestedGeneric(target, targetStack, depth)) { + return; + } + if (depth === 0) { + sourceStack = []; + targetStack = []; + } + sourceStack[depth] = source; + targetStack[depth] = target; + depth++; + inferFromProperties(source, target); + inferFromSignatures(source, target, 0 /* Call */); + inferFromSignatures(source, target, 1 /* Construct */); + inferFromIndexTypes(source, target, 0 /* String */, 0 /* String */); + inferFromIndexTypes(source, target, 1 /* Number */, 1 /* Number */); + inferFromIndexTypes(source, target, 0 /* String */, 1 /* Number */); + depth--; + } + } + } + function inferFromProperties(source, target) { + var properties = getPropertiesOfObjectType(target); + for (var _i = 0, properties_2 = properties; _i < properties_2.length; _i++) { + var targetProp = properties_2[_i]; + var sourceProp = getPropertyOfObjectType(source, targetProp.name); + if (sourceProp) { + inferFromTypes(getTypeOfSymbol(sourceProp), getTypeOfSymbol(targetProp)); + } + } + } + function inferFromSignatures(source, target, kind) { + var sourceSignatures = getSignaturesOfType(source, kind); + var targetSignatures = getSignaturesOfType(target, kind); + var sourceLen = sourceSignatures.length; + var targetLen = targetSignatures.length; + var len = sourceLen < targetLen ? sourceLen : targetLen; + for (var i = 0; i < len; i++) { + inferFromSignature(getErasedSignature(sourceSignatures[sourceLen - len + i]), getErasedSignature(targetSignatures[targetLen - len + i])); + } + } + function inferFromSignature(source, target) { + forEachMatchingParameterType(source, target, inferFromTypes); + if (source.typePredicate && target.typePredicate && source.typePredicate.kind === target.typePredicate.kind) { + inferFromTypes(source.typePredicate.type, target.typePredicate.type); + } + else { + inferFromTypes(getReturnTypeOfSignature(source), getReturnTypeOfSignature(target)); + } + } + function inferFromIndexTypes(source, target, sourceKind, targetKind) { + var targetIndexType = getIndexTypeOfType(target, targetKind); + if (targetIndexType) { + var sourceIndexType = getIndexTypeOfType(source, sourceKind); + if (sourceIndexType) { + inferFromTypes(sourceIndexType, targetIndexType); + } + } + } + } + function typeIdenticalToSomeType(type, types) { + for (var _i = 0, types_7 = types; _i < types_7.length; _i++) { + var t = types_7[_i]; + if (isTypeIdenticalTo(t, type)) { + return true; + } + } + return false; + } + /** + * Return a new union or intersection type computed by removing a given set of types + * from a given union or intersection type. + */ + function removeTypesFromUnionOrIntersection(type, typesToRemove) { + var reducedTypes = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var t = _a[_i]; + if (!typeIdenticalToSomeType(t, typesToRemove)) { + reducedTypes.push(t); + } + } + return type.flags & 16384 /* Union */ ? getUnionType(reducedTypes, /*noSubtypeReduction*/ true) : getIntersectionType(reducedTypes); + } + function getInferenceCandidates(context, index) { + var inferences = context.inferences[index]; + return inferences.primary || inferences.secondary || emptyArray; + } + function getInferredType(context, index) { + var inferredType = context.inferredTypes[index]; + var inferenceSucceeded; + if (!inferredType) { + var inferences = getInferenceCandidates(context, index); + if (inferences.length) { + // Infer widened union or supertype, or the unknown type for no common supertype + var unionOrSuperType = context.inferUnionTypes ? getUnionType(inferences) : getCommonSupertype(inferences); + inferredType = unionOrSuperType ? getWidenedType(unionOrSuperType) : unknownType; + inferenceSucceeded = !!unionOrSuperType; + } + else { + // Infer the empty object type when no inferences were made. It is important to remember that + // in this case, inference still succeeds, meaning there is no error for not having inference + // candidates. An inference error only occurs when there are *conflicting* candidates, i.e. + // candidates with no common supertype. + inferredType = emptyObjectType; + inferenceSucceeded = true; + } + context.inferredTypes[index] = inferredType; + // Only do the constraint check if inference succeeded (to prevent cascading errors) + if (inferenceSucceeded) { + var constraint = getConstraintOfTypeParameter(context.typeParameters[index]); + if (constraint) { + var instantiatedConstraint = instantiateType(constraint, getInferenceMapper(context)); + if (!isTypeAssignableTo(inferredType, getTypeWithThisArgument(instantiatedConstraint, inferredType))) { + context.inferredTypes[index] = inferredType = instantiatedConstraint; + } + } + } + else if (context.failedTypeParameterIndex === undefined || context.failedTypeParameterIndex > index) { + // If inference failed, it is necessary to record the index of the failed type parameter (the one we are on). + // It might be that inference has already failed on a later type parameter on a previous call to inferTypeArguments. + // So if this failure is on preceding type parameter, this type parameter is the new failure index. + context.failedTypeParameterIndex = index; + } + } + return inferredType; + } + function getInferredTypes(context) { + for (var i = 0; i < context.inferredTypes.length; i++) { + getInferredType(context, i); + } + return context.inferredTypes; + } + // EXPRESSION TYPE CHECKING + function getResolvedSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + links.resolvedSymbol = (!ts.nodeIsMissing(node) && resolveName(node, node.text, 107455 /* Value */ | 1048576 /* ExportValue */, ts.Diagnostics.Cannot_find_name_0, node)) || unknownSymbol; + } + return links.resolvedSymbol; + } + function isInTypeQuery(node) { + // TypeScript 1.0 spec (April 2014): 3.6.3 + // A type query consists of the keyword typeof followed by an expression. + // The expression is restricted to a single identifier or a sequence of identifiers separated by periods + while (node) { + switch (node.kind) { + case 155 /* TypeQuery */: + return true; + case 69 /* Identifier */: + case 136 /* QualifiedName */: + node = node.parent; + continue; + default: + return false; + } + } + ts.Debug.fail("should not get here"); + } + function hasInitializer(node) { + return !!(node.initializer || ts.isBindingPattern(node.parent) && hasInitializer(node.parent.parent)); + } + // Check if a given variable is assigned within a given syntax node + function isVariableAssignedWithin(symbol, node) { + var links = getNodeLinks(node); + if (links.assignmentChecks) { + var cachedResult = links.assignmentChecks[symbol.id]; + if (cachedResult !== undefined) { + return cachedResult; + } + } + else { + links.assignmentChecks = {}; + } + return links.assignmentChecks[symbol.id] = isAssignedIn(node); + function isAssignedInBinaryExpression(node) { + if (node.operatorToken.kind >= 56 /* FirstAssignment */ && node.operatorToken.kind <= 68 /* LastAssignment */) { + var n = skipParenthesizedNodes(node.left); + if (n.kind === 69 /* Identifier */ && getResolvedSymbol(n) === symbol) { + return true; + } + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedInVariableDeclaration(node) { + if (!ts.isBindingPattern(node.name) && getSymbolOfNode(node) === symbol && hasInitializer(node)) { + return true; + } + return ts.forEachChild(node, isAssignedIn); + } + function isAssignedIn(node) { + switch (node.kind) { + case 184 /* BinaryExpression */: + return isAssignedInBinaryExpression(node); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + return isAssignedInVariableDeclaration(node); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + case 167 /* ArrayLiteralExpression */: + case 168 /* ObjectLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + case 175 /* ParenthesizedExpression */: + case 182 /* PrefixUnaryExpression */: + case 178 /* DeleteExpression */: + case 181 /* AwaitExpression */: + case 179 /* TypeOfExpression */: + case 180 /* VoidExpression */: + case 183 /* PostfixUnaryExpression */: + case 187 /* YieldExpression */: + case 185 /* ConditionalExpression */: + case 188 /* SpreadElementExpression */: + case 195 /* Block */: + case 196 /* VariableStatement */: + case 198 /* ExpressionStatement */: + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 207 /* ReturnStatement */: + case 208 /* WithStatement */: + case 209 /* SwitchStatement */: + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + case 210 /* LabeledStatement */: + case 211 /* ThrowStatement */: + case 212 /* TryStatement */: + case 247 /* CatchClause */: + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + case 238 /* JsxOpeningElement */: + case 243 /* JsxExpression */: + return ts.forEachChild(node, isAssignedIn); + } + return false; + } + } + // Get the narrowed type of a given symbol at a given location + function getNarrowedTypeOfSymbol(symbol, node) { + var type = getTypeOfSymbol(symbol); + // Only narrow when symbol is variable of type any or an object, union, or type parameter type + if (node && symbol.flags & 3 /* Variable */) { + if (isTypeAny(type) || type.flags & (80896 /* ObjectType */ | 16384 /* Union */ | 512 /* TypeParameter */)) { + var declaration = ts.getDeclarationOfKind(symbol, 214 /* VariableDeclaration */); + var top_1 = declaration && getDeclarationContainer(declaration); + var originalType = type; + var nodeStack = []; + loop: while (node.parent) { + var child = node; + node = node.parent; + switch (node.kind) { + case 199 /* IfStatement */: + case 185 /* ConditionalExpression */: + case 184 /* BinaryExpression */: + nodeStack.push({ node: node, child: child }); + break; + case 251 /* SourceFile */: + case 221 /* ModuleDeclaration */: + // Stop at the first containing file or module declaration + break loop; + } + if (node === top_1) { + break; + } + } + var nodes = void 0; + while (nodes = nodeStack.pop()) { + var node_1 = nodes.node, child = nodes.child; + switch (node_1.kind) { + case 199 /* IfStatement */: + // In a branch of an if statement, narrow based on controlling expression + if (child !== node_1.expression) { + type = narrowType(type, node_1.expression, /*assumeTrue*/ child === node_1.thenStatement); + } + break; + case 185 /* ConditionalExpression */: + // In a branch of a conditional expression, narrow based on controlling condition + if (child !== node_1.condition) { + type = narrowType(type, node_1.condition, /*assumeTrue*/ child === node_1.whenTrue); + } + break; + case 184 /* BinaryExpression */: + // In the right operand of an && or ||, narrow based on left operand + if (child === node_1.right) { + if (node_1.operatorToken.kind === 51 /* AmpersandAmpersandToken */) { + type = narrowType(type, node_1.left, /*assumeTrue*/ true); + } + else if (node_1.operatorToken.kind === 52 /* BarBarToken */) { + type = narrowType(type, node_1.left, /*assumeTrue*/ false); + } + } + break; + default: + ts.Debug.fail("Unreachable!"); + } + // Use original type if construct contains assignments to variable + if (type !== originalType && isVariableAssignedWithin(symbol, node_1)) { + type = originalType; + } + } + // Preserve old top-level behavior - if the branch is really an empty set, revert to prior type + if (type === emptyUnionType) { + type = originalType; + } + } + } + return type; + function narrowTypeByEquality(type, expr, assumeTrue) { + // Check that we have 'typeof ' on the left and string literal on the right + if (expr.left.kind !== 179 /* TypeOfExpression */ || expr.right.kind !== 9 /* StringLiteral */) { + return type; + } + var left = expr.left; + var right = expr.right; + if (left.expression.kind !== 69 /* Identifier */ || getResolvedSymbol(left.expression) !== symbol) { + return type; + } + if (expr.operatorToken.kind === 33 /* ExclamationEqualsEqualsToken */) { + assumeTrue = !assumeTrue; + } + var typeInfo = primitiveTypeInfo[right.text]; + // Don't narrow `undefined` + if (typeInfo && typeInfo.type === undefinedType) { + return type; + } + var flags; + if (typeInfo) { + flags = typeInfo.flags; + } + else { + assumeTrue = !assumeTrue; + flags = 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */ | 8 /* Boolean */; + } + // At this point we can bail if it's not a union + if (!(type.flags & 16384 /* Union */)) { + // If we're on the true branch and the type is a subtype, we should return the primitive type + if (assumeTrue && typeInfo && isTypeSubtypeOf(typeInfo.type, type)) { + return typeInfo.type; + } + // If the active non-union type would be removed from a union by this type guard, return an empty union + return filterUnion(type) ? type : emptyUnionType; + } + return getUnionType(ts.filter(type.types, filterUnion), /*noSubtypeReduction*/ true); + function filterUnion(type) { + return assumeTrue === !!(type.flags & flags); + } + } + function narrowTypeByAnd(type, expr, assumeTrue) { + if (assumeTrue) { + // The assumed result is true, therefore we narrow assuming each operand to be true. + return narrowType(narrowType(type, expr.left, /*assumeTrue*/ true), expr.right, /*assumeTrue*/ true); + } + else { + // The assumed result is false. This means either the first operand was false, or the first operand was true + // and the second operand was false. We narrow with those assumptions and union the two resulting types. + return getUnionType([ + narrowType(type, expr.left, /*assumeTrue*/ false), + narrowType(type, expr.right, /*assumeTrue*/ false) + ]); + } + } + function narrowTypeByOr(type, expr, assumeTrue) { + if (assumeTrue) { + // The assumed result is true. This means either the first operand was true, or the first operand was false + // and the second operand was true. We narrow with those assumptions and union the two resulting types. + return getUnionType([ + narrowType(type, expr.left, /*assumeTrue*/ true), + narrowType(type, expr.right, /*assumeTrue*/ true) + ]); + } + else { + // The assumed result is false, therefore we narrow assuming each operand to be false. + return narrowType(narrowType(type, expr.left, /*assumeTrue*/ false), expr.right, /*assumeTrue*/ false); + } + } + function narrowTypeByInstanceof(type, expr, assumeTrue) { + // Check that type is not any, assumed result is true, and we have variable symbol on the left + if (isTypeAny(type) || expr.left.kind !== 69 /* Identifier */ || getResolvedSymbol(expr.left) !== symbol) { + return type; + } + // Check that right operand is a function type with a prototype property + var rightType = checkExpression(expr.right); + if (!isTypeSubtypeOf(rightType, globalFunctionType)) { + return type; + } + var targetType; + var prototypeProperty = getPropertyOfType(rightType, "prototype"); + if (prototypeProperty) { + // Target type is type of the prototype property + var prototypePropertyType = getTypeOfSymbol(prototypeProperty); + if (!isTypeAny(prototypePropertyType)) { + targetType = prototypePropertyType; + } + } + if (!targetType) { + // Target type is type of construct signature + var constructSignatures = void 0; + if (rightType.flags & 2048 /* Interface */) { + constructSignatures = resolveDeclaredMembers(rightType).declaredConstructSignatures; + } + else if (rightType.flags & 65536 /* Anonymous */) { + constructSignatures = getSignaturesOfType(rightType, 1 /* Construct */); + } + if (constructSignatures && constructSignatures.length) { + targetType = getUnionType(ts.map(constructSignatures, function (signature) { return getReturnTypeOfSignature(getErasedSignature(signature)); })); + } + } + if (targetType) { + return getNarrowedType(type, targetType, assumeTrue); + } + return type; + } + function getNarrowedType(originalType, narrowedTypeCandidate, assumeTrue) { + if (!assumeTrue) { + if (originalType.flags & 16384 /* Union */) { + return getUnionType(ts.filter(originalType.types, function (t) { return !isTypeSubtypeOf(t, narrowedTypeCandidate); })); + } + return originalType; + } + // If the current type is a union type, remove all constituents that aren't assignable to target. If that produces + // 0 candidates, fall back to the assignability check + if (originalType.flags & 16384 /* Union */) { + var assignableConstituents = ts.filter(originalType.types, function (t) { return isTypeAssignableTo(t, narrowedTypeCandidate); }); + if (assignableConstituents.length) { + return getUnionType(assignableConstituents); + } + } + if (isTypeAssignableTo(narrowedTypeCandidate, originalType)) { + // Narrow to the target type if it's assignable to the current type + return narrowedTypeCandidate; + } + return originalType; + } + function narrowTypeByTypePredicate(type, callExpression, assumeTrue) { + if (type.flags & 1 /* Any */) { + return type; + } + var signature = getResolvedSignature(callExpression); + var predicate = signature.typePredicate; + if (!predicate) { + return type; + } + if (ts.isIdentifierTypePredicate(predicate)) { + if (callExpression.arguments[predicate.parameterIndex] && + getSymbolAtTypePredicatePosition(callExpression.arguments[predicate.parameterIndex]) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + else { + var invokedExpression = skipParenthesizedNodes(callExpression.expression); + return narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue); + } + return type; + } + function narrowTypeByThisTypePredicate(type, predicate, invokedExpression, assumeTrue) { + if (invokedExpression.kind === 170 /* ElementAccessExpression */ || invokedExpression.kind === 169 /* PropertyAccessExpression */) { + var accessExpression = invokedExpression; + var possibleIdentifier = skipParenthesizedNodes(accessExpression.expression); + if (possibleIdentifier.kind === 69 /* Identifier */ && getSymbolAtTypePredicatePosition(possibleIdentifier) === symbol) { + return getNarrowedType(type, predicate.type, assumeTrue); + } + } + return type; + } + function getSymbolAtTypePredicatePosition(expr) { + expr = skipParenthesizedNodes(expr); + switch (expr.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + return getSymbolOfEntityNameOrPropertyAccessExpression(expr); + } + } + // Narrow the given type based on the given expression having the assumed boolean value. The returned type + // will be a subtype or the same type as the argument. + function narrowType(type, expr, assumeTrue) { + switch (expr.kind) { + case 171 /* CallExpression */: + return narrowTypeByTypePredicate(type, expr, assumeTrue); + case 175 /* ParenthesizedExpression */: + return narrowType(type, expr.expression, assumeTrue); + case 184 /* BinaryExpression */: + var operator = expr.operatorToken.kind; + if (operator === 32 /* EqualsEqualsEqualsToken */ || operator === 33 /* ExclamationEqualsEqualsToken */) { + return narrowTypeByEquality(type, expr, assumeTrue); + } + else if (operator === 51 /* AmpersandAmpersandToken */) { + return narrowTypeByAnd(type, expr, assumeTrue); + } + else if (operator === 52 /* BarBarToken */) { + return narrowTypeByOr(type, expr, assumeTrue); + } + else if (operator === 91 /* InstanceOfKeyword */) { + return narrowTypeByInstanceof(type, expr, assumeTrue); + } + break; + case 182 /* PrefixUnaryExpression */: + if (expr.operator === 49 /* ExclamationToken */) { + return narrowType(type, expr.operand, !assumeTrue); + } + break; + } + return type; + } + } + function skipParenthesizedNodes(expression) { + while (expression.kind === 175 /* ParenthesizedExpression */) { + expression = expression.expression; + } + return expression; + } + function checkIdentifier(node) { + var symbol = getResolvedSymbol(node); + // As noted in ECMAScript 6 language spec, arrow functions never have an arguments objects. + // Although in down-level emit of arrow function, we emit it using function expression which means that + // arguments objects will be bound to the inner object; emitting arrow function natively in ES6, arguments objects + // will be bound to non-arrow function that contain this arrow function. This results in inconsistent behavior. + // To avoid that we will give an error to users if they use arguments objects in arrow function so that they + // can explicitly bound arguments objects + if (symbol === argumentsSymbol) { + var container = ts.getContainingFunction(node); + if (container.kind === 177 /* ArrowFunction */) { + if (languageVersion < 2 /* ES6 */) { + error(node, ts.Diagnostics.The_arguments_object_cannot_be_referenced_in_an_arrow_function_in_ES3_and_ES5_Consider_using_a_standard_function_expression); + } + } + if (node.parserContextFlags & 8 /* Await */) { + getNodeLinks(container).flags |= 8192 /* CaptureArguments */; + } + } + if (symbol.flags & 8388608 /* Alias */ && !isInTypeQuery(node) && !isConstEnumOrConstEnumOnlyModule(resolveAlias(symbol))) { + markAliasSymbolAsReferenced(symbol); + } + var localOrExportSymbol = getExportSymbolOfValueSymbolIfExported(symbol); + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + if (languageVersion === 2 /* ES6 */ + && localOrExportSymbol.flags & 32 /* Class */ + && localOrExportSymbol.valueDeclaration.kind === 217 /* ClassDeclaration */ + && ts.nodeIsDecorated(localOrExportSymbol.valueDeclaration)) { + var container = ts.getContainingClass(node); + while (container !== undefined) { + if (container === localOrExportSymbol.valueDeclaration && container.name !== node) { + getNodeLinks(container).flags |= 524288 /* ClassWithBodyScopedClassBinding */; + getNodeLinks(node).flags |= 1048576 /* BodyScopedClassBinding */; + break; + } + container = ts.getContainingClass(container); + } + } + checkCollisionWithCapturedSuperVariable(node, node); + checkCollisionWithCapturedThisVariable(node, node); + checkNestedBlockScopedBinding(node, symbol); + return getNarrowedTypeOfSymbol(localOrExportSymbol, node); + } + function isInsideFunction(node, threshold) { + var current = node; + while (current && current !== threshold) { + if (ts.isFunctionLike(current)) { + return true; + } + current = current.parent; + } + return false; + } + function checkNestedBlockScopedBinding(node, symbol) { + if (languageVersion >= 2 /* ES6 */ || + (symbol.flags & (2 /* BlockScopedVariable */ | 32 /* Class */)) === 0 || + symbol.valueDeclaration.parent.kind === 247 /* CatchClause */) { + return; + } + // 1. walk from the use site up to the declaration and check + // if there is anything function like between declaration and use-site (is binding/class is captured in function). + // 2. walk from the declaration up to the boundary of lexical environment and check + // if there is an iteration statement in between declaration and boundary (is binding/class declared inside iteration statement) + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + var usedInFunction = isInsideFunction(node.parent, container); + var current = container; + var containedInIterationStatement = false; + while (current && !ts.nodeStartsNewLexicalEnvironment(current)) { + if (ts.isIterationStatement(current, /*lookInLabeledStatements*/ false)) { + containedInIterationStatement = true; + break; + } + current = current.parent; + } + if (containedInIterationStatement) { + if (usedInFunction) { + // mark iteration statement as containing block-scoped binding captured in some function + getNodeLinks(current).flags |= 65536 /* LoopWithCapturedBlockScopedBinding */; + } + // mark variables that are declared in loop initializer and reassigned inside the body of ForStatement. + // if body of ForStatement will be converted to function then we'll need a extra machinery to propagate reassigned values back. + if (container.kind === 202 /* ForStatement */ && + ts.getAncestor(symbol.valueDeclaration, 215 /* VariableDeclarationList */).parent === container && + isAssignedInBodyOfForStatement(node, container)) { + getNodeLinks(symbol.valueDeclaration).flags |= 2097152 /* NeedsLoopOutParameter */; + } + // set 'declared inside loop' bit on the block-scoped binding + getNodeLinks(symbol.valueDeclaration).flags |= 262144 /* BlockScopedBindingInLoop */; + } + if (usedInFunction) { + getNodeLinks(symbol.valueDeclaration).flags |= 131072 /* CapturedBlockScopedBinding */; + } + } + function isAssignedInBodyOfForStatement(node, container) { + var current = node; + // skip parenthesized nodes + while (current.parent.kind === 175 /* ParenthesizedExpression */) { + current = current.parent; + } + // check if node is used as LHS in some assignment expression + var isAssigned = false; + if (current.parent.kind === 184 /* BinaryExpression */) { + isAssigned = current.parent.left === current && ts.isAssignmentOperator(current.parent.operatorToken.kind); + } + if ((current.parent.kind === 182 /* PrefixUnaryExpression */ || current.parent.kind === 183 /* PostfixUnaryExpression */)) { + var expr = current.parent; + isAssigned = expr.operator === 41 /* PlusPlusToken */ || expr.operator === 42 /* MinusMinusToken */; + } + if (!isAssigned) { + return false; + } + // at this point we know that node is the target of assignment + // now check that modification happens inside the statement part of the ForStatement + while (current !== container) { + if (current === container.statement) { + return true; + } + else { + current = current.parent; + } + } + return false; + } + function captureLexicalThis(node, container) { + getNodeLinks(node).flags |= 2 /* LexicalThis */; + if (container.kind === 142 /* PropertyDeclaration */ || container.kind === 145 /* Constructor */) { + var classNode = container.parent; + getNodeLinks(classNode).flags |= 4 /* CaptureThis */; + } + else { + getNodeLinks(container).flags |= 4 /* CaptureThis */; + } + } + function findFirstSuperCall(n) { + if (ts.isSuperCallExpression(n)) { + return n; + } + else if (ts.isFunctionLike(n)) { + return undefined; + } + return ts.forEachChild(n, findFirstSuperCall); + } + /** + * Return a cached result if super-statement is already found. + * Otherwise, find a super statement in a given constructor function and cache the result in the node-links of the constructor + * + * @param constructor constructor-function to look for super statement + */ + function getSuperCallInConstructor(constructor) { + var links = getNodeLinks(constructor); + // Only trying to find super-call if we haven't yet tried to find one. Once we try, we will record the result + if (links.hasSuperCall === undefined) { + links.superCall = findFirstSuperCall(constructor.body); + links.hasSuperCall = links.superCall ? true : false; + } + return links.superCall; + } + /** + * Check if the given class-declaration extends null then return true. + * Otherwise, return false + * @param classDecl a class declaration to check if it extends null + */ + function classDeclarationExtendsNull(classDecl) { + var classSymbol = getSymbolOfNode(classDecl); + var classInstanceType = getDeclaredTypeOfSymbol(classSymbol); + var baseConstructorType = getBaseConstructorTypeOfClass(classInstanceType); + return baseConstructorType === nullType; + } + function checkThisExpression(node) { + // Stop at the first arrow function so that we can + // tell whether 'this' needs to be captured. + var container = ts.getThisContainer(node, /* includeArrowFunctions */ true); + var needToCaptureLexicalThis = false; + if (container.kind === 145 /* Constructor */) { + var containingClassDecl = container.parent; + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(containingClassDecl); + // If a containing class does not have extends clause or the class extends null + // skip checking whether super statement is called before "this" accessing. + if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) { + var superCall = getSuperCallInConstructor(container); + // We should give an error in the following cases: + // - No super-call + // - "this" is accessing before super-call. + // i.e super(this) + // this.x; super(); + // We want to make sure that super-call is done before accessing "this" so that + // "this" is not accessed as a parameter of the super-call. + if (!superCall || superCall.end > node.pos) { + // In ES6, super inside constructor of class-declaration has to precede "this" accessing + error(node, ts.Diagnostics.super_must_be_called_before_accessing_this_in_the_constructor_of_a_derived_class); + } + } + } + // Now skip arrow functions to get the "real" owner of 'this'. + if (container.kind === 177 /* ArrowFunction */) { + container = ts.getThisContainer(container, /* includeArrowFunctions */ false); + // When targeting es6, arrow function lexically bind "this" so we do not need to do the work of binding "this" in emitted code + needToCaptureLexicalThis = (languageVersion < 2 /* ES6 */); + } + switch (container.kind) { + case 221 /* ModuleDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_module_or_namespace_body); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 220 /* EnumDeclaration */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + // do not return here so in case if lexical this is captured - it will be reflected in flags on NodeLinks + break; + case 145 /* Constructor */: + if (isInConstructorArgumentInitializer(node, container)) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_constructor_arguments); + } + break; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + if (container.flags & 64 /* Static */) { + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_static_property_initializer); + } + break; + case 137 /* ComputedPropertyName */: + error(node, ts.Diagnostics.this_cannot_be_referenced_in_a_computed_property_name); + break; + } + if (needToCaptureLexicalThis) { + captureLexicalThis(node, container); + } + if (ts.isClassLike(container.parent)) { + var symbol = getSymbolOfNode(container.parent); + return container.flags & 64 /* Static */ ? getTypeOfSymbol(symbol) : getDeclaredTypeOfSymbol(symbol).thisType; + } + if (ts.isInJavaScriptFile(node)) { + var type = getTypeForThisExpressionFromJSDoc(container); + if (type && type !== unknownType) { + return type; + } + // If this is a function in a JS file, it might be a class method. Check if it's the RHS + // of a x.prototype.y = function [name]() { .... } + if (container.kind === 176 /* FunctionExpression */) { + if (ts.getSpecialPropertyAssignmentKind(container.parent) === 3 /* PrototypeProperty */) { + // Get the 'x' of 'x.prototype.y = f' (here, 'f' is 'container') + var className = container.parent // x.protoype.y = f + .left // x.prototype.y + .expression // x.prototype + .expression; // x + var classSymbol = checkExpression(className).symbol; + if (classSymbol && classSymbol.members && (classSymbol.flags & 16 /* Function */)) { + return getInferredClassType(classSymbol); + } + } + } + } + return anyType; + } + function getTypeForThisExpressionFromJSDoc(node) { + var typeTag = ts.getJSDocTypeTag(node); + if (typeTag && typeTag.typeExpression && typeTag.typeExpression.type && typeTag.typeExpression.type.kind === 264 /* JSDocFunctionType */) { + var jsDocFunctionType = typeTag.typeExpression.type; + if (jsDocFunctionType.parameters.length > 0 && jsDocFunctionType.parameters[0].type.kind === 267 /* JSDocThisType */) { + return getTypeFromTypeNode(jsDocFunctionType.parameters[0].type); + } + } + } + function isInConstructorArgumentInitializer(node, constructorDecl) { + for (var n = node; n && n !== constructorDecl; n = n.parent) { + if (n.kind === 139 /* Parameter */) { + return true; + } + } + return false; + } + function checkSuperExpression(node) { + var isCallExpression = node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; + var container = ts.getSuperContainer(node, /*stopOnFunctions*/ true); + var needToCaptureLexicalThis = false; + if (!isCallExpression) { + // adjust the container reference in case if super is used inside arrow functions with arbitrary deep nesting + while (container && container.kind === 177 /* ArrowFunction */) { + container = ts.getSuperContainer(container, /*stopOnFunctions*/ true); + needToCaptureLexicalThis = languageVersion < 2 /* ES6 */; + } + } + var canUseSuperExpression = isLegalUsageOfSuperExpression(container); + var nodeCheckFlag = 0; + if (!canUseSuperExpression) { + // issue more specific error if super is used in computed property name + // class A { foo() { return "1" }} + // class B { + // [super.foo()]() {} + // } + var current = node; + while (current && current !== container && current.kind !== 137 /* ComputedPropertyName */) { + current = current.parent; + } + if (current && current.kind === 137 /* ComputedPropertyName */) { + error(node, ts.Diagnostics.super_cannot_be_referenced_in_a_computed_property_name); + } + else if (isCallExpression) { + error(node, ts.Diagnostics.Super_calls_are_not_permitted_outside_constructors_or_in_nested_functions_inside_constructors); + } + else if (!container || !container.parent || !(ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_members_of_derived_classes_or_object_literal_expressions); + } + else { + error(node, ts.Diagnostics.super_property_access_is_permitted_only_in_a_constructor_member_function_or_member_accessor_of_a_derived_class); + } + return unknownType; + } + if ((container.flags & 64 /* Static */) || isCallExpression) { + nodeCheckFlag = 512 /* SuperStatic */; + } + else { + nodeCheckFlag = 256 /* SuperInstance */; + } + getNodeLinks(node).flags |= nodeCheckFlag; + // Due to how we emit async functions, we need to specialize the emit for an async method that contains a `super` reference. + // This is due to the fact that we emit the body of an async function inside of a generator function. As generator + // functions cannot reference `super`, we emit a helper inside of the method body, but outside of the generator. This helper + // uses an arrow function, which is permitted to reference `super`. + // + // There are two primary ways we can access `super` from within an async method. The first is getting the value of a property + // or indexed access on super, either as part of a right-hand-side expression or call expression. The second is when setting the value + // of a property or indexed access, either as part of an assignment expression or destructuring assignment. + // + // The simplest case is reading a value, in which case we will emit something like the following: + // + // // ts + // ... + // async asyncMethod() { + // let x = await super.asyncMethod(); + // return x; + // } + // ... + // + // // js + // ... + // asyncMethod() { + // const _super = name => super[name]; + // return __awaiter(this, arguments, Promise, function *() { + // let x = yield _super("asyncMethod").call(this); + // return x; + // }); + // } + // ... + // + // The more complex case is when we wish to assign a value, especially as part of a destructuring assignment. As both cases + // are legal in ES6, but also likely less frequent, we emit the same more complex helper for both scenarios: + // + // // ts + // ... + // async asyncMethod(ar: Promise) { + // [super.a, super.b] = await ar; + // } + // ... + // + // // js + // ... + // asyncMethod(ar) { + // const _super = (function (geti, seti) { + // const cache = Object.create(null); + // return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } }); + // })(name => super[name], (name, value) => super[name] = value); + // return __awaiter(this, arguments, Promise, function *() { + // [_super("a").value, _super("b").value] = yield ar; + // }); + // } + // ... + // + // This helper creates an object with a "value" property that wraps the `super` property or indexed access for both get and set. + // This is required for destructuring assignments, as a call expression cannot be used as the target of a destructuring assignment + // while a property access can. + if (container.kind === 144 /* MethodDeclaration */ && container.flags & 256 /* Async */) { + if (ts.isSuperPropertyOrElementAccess(node.parent) && isAssignmentTarget(node.parent)) { + getNodeLinks(container).flags |= 4096 /* AsyncMethodWithSuperBinding */; + } + else { + getNodeLinks(container).flags |= 2048 /* AsyncMethodWithSuper */; + } + } + if (needToCaptureLexicalThis) { + // call expressions are allowed only in constructors so they should always capture correct 'this' + // super property access expressions can also appear in arrow functions - + // in this case they should also use correct lexical this + captureLexicalThis(node.parent, container); + } + if (container.parent.kind === 168 /* ObjectLiteralExpression */) { + if (languageVersion < 2 /* ES6 */) { + error(node, ts.Diagnostics.super_is_only_allowed_in_members_of_object_literal_expressions_when_option_target_is_ES2015_or_higher); + return unknownType; + } + else { + // for object literal assume that type of 'super' is 'any' + return anyType; + } + } + // at this point the only legal case for parent is ClassLikeDeclaration + var classLikeDeclaration = container.parent; + var classType = getDeclaredTypeOfSymbol(getSymbolOfNode(classLikeDeclaration)); + var baseClassType = classType && getBaseTypes(classType)[0]; + if (!baseClassType) { + if (!ts.getClassExtendsHeritageClauseElement(classLikeDeclaration)) { + error(node, ts.Diagnostics.super_can_only_be_referenced_in_a_derived_class); + } + return unknownType; + } + if (container.kind === 145 /* Constructor */ && isInConstructorArgumentInitializer(node, container)) { + // issue custom error message for super property access in constructor arguments (to be aligned with old compiler) + error(node, ts.Diagnostics.super_cannot_be_referenced_in_constructor_arguments); + return unknownType; + } + return nodeCheckFlag === 512 /* SuperStatic */ + ? getBaseConstructorTypeOfClass(classType) + : baseClassType; + function isLegalUsageOfSuperExpression(container) { + if (!container) { + return false; + } + if (isCallExpression) { + // TS 1.0 SPEC (April 2014): 4.8.1 + // Super calls are only permitted in constructors of derived classes + return container.kind === 145 /* Constructor */; + } + else { + // TS 1.0 SPEC (April 2014) + // 'super' property access is allowed + // - In a constructor, instance member function, instance member accessor, or instance member variable initializer where this references a derived class instance + // - In a static member function or static member accessor + // topmost container must be something that is directly nested in the class declaration\object literal expression + if (ts.isClassLike(container.parent) || container.parent.kind === 168 /* ObjectLiteralExpression */) { + if (container.flags & 64 /* Static */) { + return container.kind === 144 /* MethodDeclaration */ || + container.kind === 143 /* MethodSignature */ || + container.kind === 146 /* GetAccessor */ || + container.kind === 147 /* SetAccessor */; + } + else { + return container.kind === 144 /* MethodDeclaration */ || + container.kind === 143 /* MethodSignature */ || + container.kind === 146 /* GetAccessor */ || + container.kind === 147 /* SetAccessor */ || + container.kind === 142 /* PropertyDeclaration */ || + container.kind === 141 /* PropertySignature */ || + container.kind === 145 /* Constructor */; + } + } + } + return false; + } + } + // Return contextual type of parameter or undefined if no contextual type is available + function getContextuallyTypedParameterType(parameter) { + var func = parameter.parent; + if (isFunctionExpressionOrArrowFunction(func) || ts.isObjectLiteralMethod(func)) { + if (isContextSensitive(func)) { + var contextualSignature = getContextualSignature(func); + if (contextualSignature) { + var funcHasRestParameters = ts.hasRestParameter(func); + var len = func.parameters.length - (funcHasRestParameters ? 1 : 0); + var indexOfParameter = ts.indexOf(func.parameters, parameter); + if (indexOfParameter < len) { + return getTypeAtPosition(contextualSignature, indexOfParameter); + } + // If last parameter is contextually rest parameter get its type + if (funcHasRestParameters && + indexOfParameter === (func.parameters.length - 1) && + isRestParameterIndex(contextualSignature, func.parameters.length - 1)) { + return getTypeOfSymbol(ts.lastOrUndefined(contextualSignature.parameters)); + } + } + } + } + return undefined; + } + // In a variable, parameter or property declaration with a type annotation, the contextual type of an initializer + // expression is the type of the variable, parameter or property. Otherwise, in a parameter declaration of a + // contextually typed function expression, the contextual type of an initializer expression is the contextual type + // of the parameter. Otherwise, in a variable or parameter declaration with a binding pattern name, the contextual + // type of an initializer expression is the type implied by the binding pattern. + function getContextualTypeForInitializerExpression(node) { + var declaration = node.parent; + if (node === declaration.initializer) { + if (declaration.type) { + return getTypeFromTypeNode(declaration.type); + } + if (declaration.kind === 139 /* Parameter */) { + var type = getContextuallyTypedParameterType(declaration); + if (type) { + return type; + } + } + if (ts.isBindingPattern(declaration.name)) { + return getTypeFromBindingPattern(declaration.name, /*includePatternInType*/ true); + } + } + return undefined; + } + function getContextualTypeForReturnExpression(node) { + var func = ts.getContainingFunction(node); + if (func && !func.asteriskToken) { + return getContextualReturnType(func); + } + return undefined; + } + function getContextualTypeForYieldOperand(node) { + var func = ts.getContainingFunction(node); + if (func) { + var contextualReturnType = getContextualReturnType(func); + if (contextualReturnType) { + return node.asteriskToken + ? contextualReturnType + : getElementTypeOfIterableIterator(contextualReturnType); + } + } + return undefined; + } + function isInParameterInitializerBeforeContainingFunction(node) { + while (node.parent && !ts.isFunctionLike(node.parent)) { + if (node.parent.kind === 139 /* Parameter */ && node.parent.initializer === node) { + return true; + } + node = node.parent; + } + return false; + } + function getContextualReturnType(functionDecl) { + // If the containing function has a return type annotation, is a constructor, or is a get accessor whose + // corresponding set accessor has a type annotation, return statements in the function are contextually typed + if (functionDecl.type || + functionDecl.kind === 145 /* Constructor */ || + functionDecl.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(functionDecl.symbol, 147 /* SetAccessor */))) { + return getReturnTypeOfSignature(getSignatureFromDeclaration(functionDecl)); + } + // Otherwise, if the containing function is contextually typed by a function type with exactly one call signature + // and that call signature is non-generic, return statements are contextually typed by the return type of the signature + var signature = getContextualSignatureForFunctionLikeDeclaration(functionDecl); + if (signature) { + return getReturnTypeOfSignature(signature); + } + return undefined; + } + // In a typed function call, an argument or substitution expression is contextually typed by the type of the corresponding parameter. + function getContextualTypeForArgument(callTarget, arg) { + var args = getEffectiveCallArguments(callTarget); + var argIndex = ts.indexOf(args, arg); + if (argIndex >= 0) { + var signature = getResolvedSignature(callTarget); + return getTypeAtPosition(signature, argIndex); + } + return undefined; + } + function getContextualTypeForSubstitutionExpression(template, substitutionExpression) { + if (template.parent.kind === 173 /* TaggedTemplateExpression */) { + return getContextualTypeForArgument(template.parent, substitutionExpression); + } + return undefined; + } + function getContextualTypeForBinaryOperand(node) { + var binaryExpression = node.parent; + var operator = binaryExpression.operatorToken.kind; + if (operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { + // In an assignment expression, the right operand is contextually typed by the type of the left operand. + if (node === binaryExpression.right) { + return checkExpression(binaryExpression.left); + } + } + else if (operator === 52 /* BarBarToken */) { + // When an || expression has a contextual type, the operands are contextually typed by that type. When an || + // expression has no contextual type, the right operand is contextually typed by the type of the left operand. + var type = getContextualType(binaryExpression); + if (!type && node === binaryExpression.right) { + type = checkExpression(binaryExpression.left); + } + return type; + } + else if (operator === 51 /* AmpersandAmpersandToken */ || operator === 24 /* CommaToken */) { + if (node === binaryExpression.right) { + return getContextualType(binaryExpression); + } + } + return undefined; + } + // Apply a mapping function to a contextual type and return the resulting type. If the contextual type + // is a union type, the mapping function is applied to each constituent type and a union of the resulting + // types is returned. + function applyToContextualType(type, mapper) { + if (!(type.flags & 16384 /* Union */)) { + return mapper(type); + } + var types = type.types; + var mappedType; + var mappedTypes; + for (var _i = 0, types_8 = types; _i < types_8.length; _i++) { + var current = types_8[_i]; + var t = mapper(current); + if (t) { + if (!mappedType) { + mappedType = t; + } + else if (!mappedTypes) { + mappedTypes = [mappedType, t]; + } + else { + mappedTypes.push(t); + } + } + } + return mappedTypes ? getUnionType(mappedTypes) : mappedType; + } + function getTypeOfPropertyOfContextualType(type, name) { + return applyToContextualType(type, function (t) { + var prop = t.flags & 130048 /* StructuredType */ ? getPropertyOfType(t, name) : undefined; + return prop ? getTypeOfSymbol(prop) : undefined; + }); + } + function getIndexTypeOfContextualType(type, kind) { + return applyToContextualType(type, function (t) { return getIndexTypeOfStructuredType(t, kind); }); + } + function contextualTypeIsStringLiteralType(type) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isStringLiteralType) : isStringLiteralType(type)); + } + // Return true if the given contextual type is a tuple-like type + function contextualTypeIsTupleLikeType(type) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, isTupleLikeType) : isTupleLikeType(type)); + } + // Return true if the given contextual type provides an index signature of the given kind + function contextualTypeHasIndexSignature(type, kind) { + return !!(type.flags & 16384 /* Union */ ? ts.forEach(type.types, function (t) { return getIndexTypeOfStructuredType(t, kind); }) : getIndexTypeOfStructuredType(type, kind)); + } + // In an object literal contextually typed by a type T, the contextual type of a property assignment is the type of + // the matching property in T, if one exists. Otherwise, it is the type of the numeric index signature in T, if one + // exists. Otherwise, it is the type of the string index signature in T, if one exists. + function getContextualTypeForObjectLiteralMethod(node) { + ts.Debug.assert(ts.isObjectLiteralMethod(node)); + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + return getContextualTypeForObjectLiteralElement(node); + } + function getContextualTypeForObjectLiteralElement(element) { + var objectLiteral = element.parent; + var type = getApparentTypeOfContextualType(objectLiteral); + if (type) { + if (!ts.hasDynamicName(element)) { + // For a (non-symbol) computed property, there is no reason to look up the name + // in the type. It will just be "__computed", which does not appear in any + // SymbolTable. + var symbolName = getSymbolOfNode(element).name; + var propertyType = getTypeOfPropertyOfContextualType(type, symbolName); + if (propertyType) { + return propertyType; + } + } + return isNumericName(element.name) && getIndexTypeOfContextualType(type, 1 /* Number */) || + getIndexTypeOfContextualType(type, 0 /* String */); + } + return undefined; + } + // In an array literal contextually typed by a type T, the contextual type of an element expression at index N is + // the type of the property with the numeric name N in T, if one exists. Otherwise, if T has a numeric index signature, + // it is the type of the numeric index signature in T. Otherwise, in ES6 and higher, the contextual type is the iterated + // type of T. + function getContextualTypeForElementExpression(node) { + var arrayLiteral = node.parent; + var type = getApparentTypeOfContextualType(arrayLiteral); + if (type) { + var index = ts.indexOf(arrayLiteral.elements, node); + return getTypeOfPropertyOfContextualType(type, "" + index) + || getIndexTypeOfContextualType(type, 1 /* Number */) + || (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(type, /*errorNode*/ undefined) : undefined); + } + return undefined; + } + // In a contextually typed conditional expression, the true/false expressions are contextually typed by the same type. + function getContextualTypeForConditionalOperand(node) { + var conditional = node.parent; + return node === conditional.whenTrue || node === conditional.whenFalse ? getContextualType(conditional) : undefined; + } + function getContextualTypeForJsxAttribute(attribute) { + var kind = attribute.kind; + var jsxElement = attribute.parent; + var attrsType = getJsxElementAttributesType(jsxElement); + if (attribute.kind === 241 /* JsxAttribute */) { + if (!attrsType || isTypeAny(attrsType)) { + return undefined; + } + return getTypeOfPropertyOfType(attrsType, attribute.name.text); + } + else if (attribute.kind === 242 /* JsxSpreadAttribute */) { + return attrsType; + } + ts.Debug.fail("Expected JsxAttribute or JsxSpreadAttribute, got ts.SyntaxKind[" + kind + "]"); + } + // Return the contextual type for a given expression node. During overload resolution, a contextual type may temporarily + // be "pushed" onto a node using the contextualType property. + function getApparentTypeOfContextualType(node) { + var type = getContextualType(node); + return type && getApparentType(type); + } + /** + * Woah! Do you really want to use this function? + * + * Unless you're trying to get the *non-apparent* type for a + * value-literal type or you're authoring relevant portions of this algorithm, + * you probably meant to use 'getApparentTypeOfContextualType'. + * Otherwise this may not be very useful. + * + * In cases where you *are* working on this function, you should understand + * when it is appropriate to use 'getContextualType' and 'getApparentTypeOfContetxualType'. + * + * - Use 'getContextualType' when you are simply going to propagate the result to the expression. + * - Use 'getApparentTypeOfContextualType' when you're going to need the members of the type. + * + * @param node the expression whose contextual type will be returned. + * @returns the contextual type of an expression. + */ + function getContextualType(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (node.contextualType) { + return node.contextualType; + } + var parent = node.parent; + switch (parent.kind) { + case 214 /* VariableDeclaration */: + case 139 /* Parameter */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 166 /* BindingElement */: + return getContextualTypeForInitializerExpression(node); + case 177 /* ArrowFunction */: + case 207 /* ReturnStatement */: + return getContextualTypeForReturnExpression(node); + case 187 /* YieldExpression */: + return getContextualTypeForYieldOperand(parent); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return getContextualTypeForArgument(parent, node); + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return getTypeFromTypeNode(parent.type); + case 184 /* BinaryExpression */: + return getContextualTypeForBinaryOperand(node); + case 248 /* PropertyAssignment */: + return getContextualTypeForObjectLiteralElement(parent); + case 167 /* ArrayLiteralExpression */: + return getContextualTypeForElementExpression(node); + case 185 /* ConditionalExpression */: + return getContextualTypeForConditionalOperand(node); + case 193 /* TemplateSpan */: + ts.Debug.assert(parent.parent.kind === 186 /* TemplateExpression */); + return getContextualTypeForSubstitutionExpression(parent.parent, node); + case 175 /* ParenthesizedExpression */: + return getContextualType(parent); + case 243 /* JsxExpression */: + return getContextualType(parent); + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + return getContextualTypeForJsxAttribute(parent); + } + return undefined; + } + // If the given type is an object or union type, if that type has a single signature, and if + // that signature is non-generic, return the signature. Otherwise return undefined. + function getNonGenericSignature(type) { + var signatures = getSignaturesOfStructuredType(type, 0 /* Call */); + if (signatures.length === 1) { + var signature = signatures[0]; + if (!signature.typeParameters) { + return signature; + } + } + } + function isFunctionExpressionOrArrowFunction(node) { + return node.kind === 176 /* FunctionExpression */ || node.kind === 177 /* ArrowFunction */; + } + function getContextualSignatureForFunctionLikeDeclaration(node) { + // Only function expressions, arrow functions, and object literal methods are contextually typed. + return isFunctionExpressionOrArrowFunction(node) || ts.isObjectLiteralMethod(node) + ? getContextualSignature(node) + : undefined; + } + // Return the contextual signature for a given expression node. A contextual type provides a + // contextual signature if it has a single call signature and if that call signature is non-generic. + // If the contextual type is a union type, get the signature from each type possible and if they are + // all identical ignoring their return type, the result is same signature but with return type as + // union type of return types from these signatures + function getContextualSignature(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var type = ts.isObjectLiteralMethod(node) + ? getContextualTypeForObjectLiteralMethod(node) + : getApparentTypeOfContextualType(node); + if (!type) { + return undefined; + } + if (!(type.flags & 16384 /* Union */)) { + return getNonGenericSignature(type); + } + var signatureList; + var types = type.types; + for (var _i = 0, types_9 = types; _i < types_9.length; _i++) { + var current = types_9[_i]; + var signature = getNonGenericSignature(current); + if (signature) { + if (!signatureList) { + // This signature will contribute to contextual union signature + signatureList = [signature]; + } + else if (!compareSignaturesIdentical(signatureList[0], signature, /*partialMatch*/ false, /*ignoreReturnTypes*/ true, compareTypesIdentical)) { + // Signatures aren't identical, do not use + return undefined; + } + else { + // Use this signature for contextual union signature + signatureList.push(signature); + } + } + } + // Result is union of signatures collected (return type is union of return types of this signature set) + var result; + if (signatureList) { + result = cloneSignature(signatureList[0]); + // Clear resolved return type we possibly got from cloneSignature + result.resolvedReturnType = undefined; + result.unionSignatures = signatureList; + } + return result; + } + /** + * Detect if the mapper implies an inference context. Specifically, there are 4 possible values + * for a mapper. Let's go through each one of them: + * + * 1. undefined - this means we are not doing inferential typing, but we may do contextual typing, + * which could cause us to assign a parameter a type + * 2. identityMapper - means we want to avoid assigning a parameter a type, whether or not we are in + * inferential typing (context is undefined for the identityMapper) + * 3. a mapper created by createInferenceMapper - we are doing inferential typing, we want to assign + * types to parameters and fix type parameters (context is defined) + * 4. an instantiation mapper created by createTypeMapper or createTypeEraser - this should never be + * passed as the contextual mapper when checking an expression (context is undefined for these) + * + * isInferentialContext is detecting if we are in case 3 + */ + function isInferentialContext(mapper) { + return mapper && mapper.context; + } + // A node is an assignment target if it is on the left hand side of an '=' token, if it is parented by a property + // assignment in an object literal that is an assignment target, or if it is parented by an array literal that is + // an assignment target. Examples include 'a = xxx', '{ p: a } = xxx', '[{ p: a}] = xxx'. + function isAssignmentTarget(node) { + var parent = node.parent; + if (parent.kind === 184 /* BinaryExpression */ && parent.operatorToken.kind === 56 /* EqualsToken */ && parent.left === node) { + return true; + } + if (parent.kind === 248 /* PropertyAssignment */) { + return isAssignmentTarget(parent.parent); + } + if (parent.kind === 167 /* ArrayLiteralExpression */) { + return isAssignmentTarget(parent); + } + return false; + } + function checkSpreadElementExpression(node, contextualMapper) { + // It is usually not safe to call checkExpressionCached if we can be contextually typing. + // You can tell that we are contextually typing because of the contextualMapper parameter. + // While it is true that a spread element can have a contextual type, it does not do anything + // with this type. It is neither affected by it, nor does it propagate it to its operand. + // So the fact that contextualMapper is passed is not important, because the operand of a spread + // element is not contextually typed. + var arrayOrIterableType = checkExpressionCached(node.expression, contextualMapper); + return checkIteratedTypeOrElementType(arrayOrIterableType, node.expression, /*allowStringInput*/ false); + } + function hasDefaultValue(node) { + return (node.kind === 166 /* BindingElement */ && !!node.initializer) || + (node.kind === 184 /* BinaryExpression */ && node.operatorToken.kind === 56 /* EqualsToken */); + } + function checkArrayLiteral(node, contextualMapper) { + var elements = node.elements; + var hasSpreadElement = false; + var elementTypes = []; + var inDestructuringPattern = isAssignmentTarget(node); + for (var _i = 0, elements_1 = elements; _i < elements_1.length; _i++) { + var e = elements_1[_i]; + if (inDestructuringPattern && e.kind === 188 /* SpreadElementExpression */) { + // Given the following situation: + // var c: {}; + // [...c] = ["", 0]; + // + // c is represented in the tree as a spread element in an array literal. + // But c really functions as a rest element, and its purpose is to provide + // a contextual type for the right hand side of the assignment. Therefore, + // instead of calling checkExpression on "...c", which will give an error + // if c is not iterable/array-like, we need to act as if we are trying to + // get the contextual element type from it. So we do something similar to + // getContextualTypeForElementExpression, which will crucially not error + // if there is no index type / iterated type. + var restArrayType = checkExpression(e.expression, contextualMapper); + var restElementType = getIndexTypeOfType(restArrayType, 1 /* Number */) || + (languageVersion >= 2 /* ES6 */ ? getElementTypeOfIterable(restArrayType, /*errorNode*/ undefined) : undefined); + if (restElementType) { + elementTypes.push(restElementType); + } + } + else { + var type = checkExpression(e, contextualMapper); + elementTypes.push(type); + } + hasSpreadElement = hasSpreadElement || e.kind === 188 /* SpreadElementExpression */; + } + if (!hasSpreadElement) { + // If array literal is actually a destructuring pattern, mark it as an implied type. We do this such + // that we get the same behavior for "var [x, y] = []" and "[x, y] = []". + if (inDestructuringPattern && elementTypes.length) { + var type = createNewTupleType(elementTypes); + type.pattern = node; + return type; + } + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType && contextualTypeIsTupleLikeType(contextualType)) { + var pattern = contextualType.pattern; + // If array literal is contextually typed by a binding pattern or an assignment pattern, pad the resulting + // tuple type with the corresponding binding or assignment element types to make the lengths equal. + if (pattern && (pattern.kind === 165 /* ArrayBindingPattern */ || pattern.kind === 167 /* ArrayLiteralExpression */)) { + var patternElements = pattern.elements; + for (var i = elementTypes.length; i < patternElements.length; i++) { + var patternElement = patternElements[i]; + if (hasDefaultValue(patternElement)) { + elementTypes.push(contextualType.elementTypes[i]); + } + else { + if (patternElement.kind !== 190 /* OmittedExpression */) { + error(patternElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + elementTypes.push(unknownType); + } + } + } + if (elementTypes.length) { + return createTupleType(elementTypes); + } + } + } + return createArrayType(elementTypes.length ? getUnionType(elementTypes) : undefinedType); + } + function isNumericName(name) { + return name.kind === 137 /* ComputedPropertyName */ ? isNumericComputedName(name) : isNumericLiteralName(name.text); + } + function isNumericComputedName(name) { + // It seems odd to consider an expression of type Any to result in a numeric name, + // but this behavior is consistent with checkIndexedAccess + return isTypeAnyOrAllConstituentTypesHaveKind(checkComputedPropertyName(name), 132 /* NumberLike */); + } + function isTypeAnyOrAllConstituentTypesHaveKind(type, kind) { + return isTypeAny(type) || allConstituentTypesHaveKind(type, kind); + } + function isNumericLiteralName(name) { + // The intent of numeric names is that + // - they are names with text in a numeric form, and that + // - setting properties/indexing with them is always equivalent to doing so with the numeric literal 'numLit', + // acquired by applying the abstract 'ToNumber' operation on the name's text. + // + // The subtlety is in the latter portion, as we cannot reliably say that anything that looks like a numeric literal is a numeric name. + // In fact, it is the case that the text of the name must be equal to 'ToString(numLit)' for this to hold. + // + // Consider the property name '"0xF00D"'. When one indexes with '0xF00D', they are actually indexing with the value of 'ToString(0xF00D)' + // according to the ECMAScript specification, so it is actually as if the user indexed with the string '"61453"'. + // Thus, the text of all numeric literals equivalent to '61543' such as '0xF00D', '0xf00D', '0170015', etc. are not valid numeric names + // because their 'ToString' representation is not equal to their original text. + // This is motivated by ECMA-262 sections 9.3.1, 9.8.1, 11.1.5, and 11.2.1. + // + // Here, we test whether 'ToString(ToNumber(name))' is exactly equal to 'name'. + // The '+' prefix operator is equivalent here to applying the abstract ToNumber operation. + // Applying the 'toString()' method on a number gives us the abstract ToString operation on a number. + // + // Note that this accepts the values 'Infinity', '-Infinity', and 'NaN', and that this is intentional. + // This is desired behavior, because when indexing with them as numeric entities, you are indexing + // with the strings '"Infinity"', '"-Infinity"', and '"NaN"' respectively. + return (+name).toString() === name; + } + function checkComputedPropertyName(node) { + var links = getNodeLinks(node.expression); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node.expression); + // This will allow types number, string, symbol or any. It will also allow enums, the unknown + // type, and any union of these types (like string | number). + if (!isTypeAnyOrAllConstituentTypesHaveKind(links.resolvedType, 132 /* NumberLike */ | 258 /* StringLike */ | 16777216 /* ESSymbol */)) { + error(node, ts.Diagnostics.A_computed_property_name_must_be_of_type_string_number_symbol_or_any); + } + else { + checkThatExpressionIsProperSymbolReference(node.expression, links.resolvedType, /*reportError*/ true); + } + } + return links.resolvedType; + } + function checkObjectLiteral(node, contextualMapper) { + var inDestructuringPattern = isAssignmentTarget(node); + // Grammar checking + checkGrammarObjectLiteralExpression(node, inDestructuringPattern); + var propertiesTable = {}; + var propertiesArray = []; + var contextualType = getApparentTypeOfContextualType(node); + var contextualTypeHasPattern = contextualType && contextualType.pattern && + (contextualType.pattern.kind === 164 /* ObjectBindingPattern */ || contextualType.pattern.kind === 168 /* ObjectLiteralExpression */); + var typeFlags = 0; + var patternWithComputedProperties = false; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var memberDecl = _a[_i]; + var member = memberDecl.symbol; + if (memberDecl.kind === 248 /* PropertyAssignment */ || + memberDecl.kind === 249 /* ShorthandPropertyAssignment */ || + ts.isObjectLiteralMethod(memberDecl)) { + var type = void 0; + if (memberDecl.kind === 248 /* PropertyAssignment */) { + type = checkPropertyAssignment(memberDecl, contextualMapper); + } + else if (memberDecl.kind === 144 /* MethodDeclaration */) { + type = checkObjectLiteralMethod(memberDecl, contextualMapper); + } + else { + ts.Debug.assert(memberDecl.kind === 249 /* ShorthandPropertyAssignment */); + type = checkExpression(memberDecl.name, contextualMapper); + } + typeFlags |= type.flags; + var prop = createSymbol(4 /* Property */ | 67108864 /* Transient */ | member.flags, member.name); + if (inDestructuringPattern) { + // If object literal is an assignment pattern and if the assignment pattern specifies a default value + // for the property, make the property optional. + var isOptional = (memberDecl.kind === 248 /* PropertyAssignment */ && hasDefaultValue(memberDecl.initializer)) || + (memberDecl.kind === 249 /* ShorthandPropertyAssignment */ && memberDecl.objectAssignmentInitializer); + if (isOptional) { + prop.flags |= 536870912 /* Optional */; + } + if (ts.hasDynamicName(memberDecl)) { + patternWithComputedProperties = true; + } + } + else if (contextualTypeHasPattern && !(contextualType.flags & 67108864 /* ObjectLiteralPatternWithComputedProperties */)) { + // If object literal is contextually typed by the implied type of a binding pattern, and if the + // binding pattern specifies a default value for the property, make the property optional. + var impliedProp = getPropertyOfType(contextualType, member.name); + if (impliedProp) { + prop.flags |= impliedProp.flags & 536870912 /* Optional */; + } + else if (!compilerOptions.suppressExcessPropertyErrors) { + error(memberDecl.name, ts.Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(member), typeToString(contextualType)); + } + } + prop.declarations = member.declarations; + prop.parent = member.parent; + if (member.valueDeclaration) { + prop.valueDeclaration = member.valueDeclaration; + } + prop.type = type; + prop.target = member; + member = prop; + } + else { + // TypeScript 1.0 spec (April 2014) + // A get accessor declaration is processed in the same manner as + // an ordinary function declaration(section 6.1) with no parameters. + // A set accessor declaration is processed in the same manner + // as an ordinary function declaration with a single parameter and a Void return type. + ts.Debug.assert(memberDecl.kind === 146 /* GetAccessor */ || memberDecl.kind === 147 /* SetAccessor */); + checkAccessorDeclaration(memberDecl); + } + if (!ts.hasDynamicName(memberDecl)) { + propertiesTable[member.name] = member; + } + propertiesArray.push(member); + } + // If object literal is contextually typed by the implied type of a binding pattern, augment the result + // type with those properties for which the binding pattern specifies a default value. + if (contextualTypeHasPattern) { + for (var _b = 0, _c = getPropertiesOfType(contextualType); _b < _c.length; _b++) { + var prop = _c[_b]; + if (!ts.hasProperty(propertiesTable, prop.name)) { + if (!(prop.flags & 536870912 /* Optional */)) { + error(prop.valueDeclaration || prop.bindingElement, ts.Diagnostics.Initializer_provides_no_value_for_this_binding_element_and_the_binding_element_has_no_default_value); + } + propertiesTable[prop.name] = prop; + propertiesArray.push(prop); + } + } + } + var stringIndexType = getIndexType(0 /* String */); + var numberIndexType = getIndexType(1 /* Number */); + var result = createAnonymousType(node.symbol, propertiesTable, emptyArray, emptyArray, stringIndexType, numberIndexType); + var freshObjectLiteralFlag = compilerOptions.suppressExcessPropertyErrors ? 0 : 1048576 /* FreshObjectLiteral */; + result.flags |= 524288 /* ObjectLiteral */ | 4194304 /* ContainsObjectLiteral */ | freshObjectLiteralFlag | (typeFlags & 14680064 /* PropagatingFlags */) | (patternWithComputedProperties ? 67108864 /* ObjectLiteralPatternWithComputedProperties */ : 0); + if (inDestructuringPattern) { + result.pattern = node; + } + return result; + function getIndexType(kind) { + if (contextualType && contextualTypeHasIndexSignature(contextualType, kind)) { + var propTypes = []; + for (var i = 0; i < propertiesArray.length; i++) { + var propertyDecl = node.properties[i]; + if (kind === 0 /* String */ || isNumericName(propertyDecl.name)) { + // Do not call getSymbolOfNode(propertyDecl), as that will get the + // original symbol for the node. We actually want to get the symbol + // created by checkObjectLiteral, since that will be appropriately + // contextually typed and resolved. + var type = getTypeOfSymbol(propertiesArray[i]); + if (!ts.contains(propTypes, type)) { + propTypes.push(type); + } + } + } + var result_1 = propTypes.length ? getUnionType(propTypes) : undefinedType; + typeFlags |= result_1.flags; + return result_1; + } + return undefined; + } + } + function checkJsxSelfClosingElement(node) { + checkJsxOpeningLikeElement(node); + return jsxElementType || anyType; + } + function checkJsxElement(node) { + // Check attributes + checkJsxOpeningLikeElement(node.openingElement); + // Perform resolution on the closing tag so that rename/go to definition/etc work + getJsxElementTagSymbol(node.closingElement); + // Check children + for (var _i = 0, _a = node.children; _i < _a.length; _i++) { + var child = _a[_i]; + switch (child.kind) { + case 243 /* JsxExpression */: + checkJsxExpression(child); + break; + case 236 /* JsxElement */: + checkJsxElement(child); + break; + case 237 /* JsxSelfClosingElement */: + checkJsxSelfClosingElement(child); + break; + } + } + return jsxElementType || anyType; + } + /** + * Returns true iff the JSX element name would be a valid JS identifier, ignoring restrictions about keywords not being identifiers + */ + function isUnhyphenatedJsxName(name) { + // - is the only character supported in JSX attribute names that isn't valid in JavaScript identifiers + return name.indexOf("-") < 0; + } + /** + * Returns true iff React would emit this tag name as a string rather than an identifier or qualified name + */ + function isJsxIntrinsicIdentifier(tagName) { + if (tagName.kind === 136 /* QualifiedName */) { + return false; + } + else { + return ts.isIntrinsicJsxName(tagName.text); + } + } + function checkJsxAttribute(node, elementAttributesType, nameTable) { + var correspondingPropType = undefined; + // Look up the corresponding property for this attribute + if (elementAttributesType === emptyObjectType && isUnhyphenatedJsxName(node.name.text)) { + // If there is no 'props' property, you may not have non-"data-" attributes + error(node.parent, ts.Diagnostics.JSX_element_class_does_not_support_attributes_because_it_does_not_have_a_0_property, getJsxElementPropertiesName()); + } + else if (elementAttributesType && !isTypeAny(elementAttributesType)) { + var correspondingPropSymbol = getPropertyOfType(elementAttributesType, node.name.text); + correspondingPropType = correspondingPropSymbol && getTypeOfSymbol(correspondingPropSymbol); + if (isUnhyphenatedJsxName(node.name.text)) { + // Maybe there's a string indexer? + var indexerType = getIndexTypeOfType(elementAttributesType, 0 /* String */); + if (indexerType) { + correspondingPropType = indexerType; + } + else { + // If there's no corresponding property with this name, error + if (!correspondingPropType) { + error(node.name, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.name.text, typeToString(elementAttributesType)); + return unknownType; + } + } + } + } + var exprType; + if (node.initializer) { + exprType = checkExpression(node.initializer); + } + else { + // is sugar for + exprType = booleanType; + } + if (correspondingPropType) { + checkTypeAssignableTo(exprType, correspondingPropType, node); + } + nameTable[node.name.text] = true; + return exprType; + } + function checkJsxSpreadAttribute(node, elementAttributesType, nameTable) { + var type = checkExpression(node.expression); + var props = getPropertiesOfType(type); + for (var _i = 0, props_2 = props; _i < props_2.length; _i++) { + var prop = props_2[_i]; + // Is there a corresponding property in the element attributes type? Skip checking of properties + // that have already been assigned to, as these are not actually pushed into the resulting type + if (!nameTable[prop.name]) { + var targetPropSym = getPropertyOfType(elementAttributesType, prop.name); + if (targetPropSym) { + var msg = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Property_0_of_JSX_spread_attribute_is_not_assignable_to_target_property, prop.name); + checkTypeAssignableTo(getTypeOfSymbol(prop), getTypeOfSymbol(targetPropSym), node, undefined, msg); + } + nameTable[prop.name] = true; + } + } + return type; + } + function getJsxType(name) { + if (jsxTypes[name] === undefined) { + return jsxTypes[name] = getExportedTypeFromNamespace(JsxNames.JSX, name) || unknownType; + } + return jsxTypes[name]; + } + /// Given a JSX opening element or self-closing element, return the symbol of the property that the tag name points to if + /// this is an intrinsic tag. This might be a named + /// property of the IntrinsicElements interface, or its string indexer. + /// If this is a class-based tag (otherwise returns undefined), returns the symbol of the class + /// type or factory function. + /// Otherwise, returns unknownSymbol. + function getJsxElementTagSymbol(node) { + var links = getNodeLinks(node); + if (!links.resolvedSymbol) { + if (isJsxIntrinsicIdentifier(node.tagName)) { + links.resolvedSymbol = lookupIntrinsicTag(node); + } + else { + links.resolvedSymbol = lookupClassTag(node); + } + } + return links.resolvedSymbol; + function lookupIntrinsicTag(node) { + var intrinsicElementsType = getJsxType(JsxNames.IntrinsicElements); + if (intrinsicElementsType !== unknownType) { + // Property case + var intrinsicProp = getPropertyOfType(intrinsicElementsType, node.tagName.text); + if (intrinsicProp) { + links.jsxFlags |= 1 /* IntrinsicNamedElement */; + return intrinsicProp; + } + // Intrinsic string indexer case + var indexSignatureType = getIndexTypeOfType(intrinsicElementsType, 0 /* String */); + if (indexSignatureType) { + links.jsxFlags |= 2 /* IntrinsicIndexedElement */; + return intrinsicElementsType.symbol; + } + // Wasn't found + error(node, ts.Diagnostics.Property_0_does_not_exist_on_type_1, node.tagName.text, "JSX." + JsxNames.IntrinsicElements); + return unknownSymbol; + } + else { + if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_no_interface_JSX_0_exists, JsxNames.IntrinsicElements); + } + return unknownSymbol; + } + } + function lookupClassTag(node) { + var valueSymbol = resolveJsxTagName(node); + // Look up the value in the current scope + if (valueSymbol && valueSymbol !== unknownSymbol) { + links.jsxFlags |= 4 /* ValueElement */; + if (valueSymbol.flags & 8388608 /* Alias */) { + markAliasSymbolAsReferenced(valueSymbol); + } + } + return valueSymbol || unknownSymbol; + } + function resolveJsxTagName(node) { + if (node.tagName.kind === 69 /* Identifier */) { + var tag = node.tagName; + var sym = getResolvedSymbol(tag); + return sym.exportSymbol || sym; + } + else { + return checkQualifiedName(node.tagName).symbol; + } + } + } + /** + * Given a JSX element that is a class element, finds the Element Instance Type. If the + * element is not a class element, or the class element type cannot be determined, returns 'undefined'. + * For example, in the element , the element instance type is `MyClass` (not `typeof MyClass`). + */ + function getJsxElementInstanceType(node) { + // There is no such thing as an instance type for a non-class element. This + // line shouldn't be hit. + ts.Debug.assert(!!(getNodeLinks(node).jsxFlags & 4 /* ValueElement */), "Should not call getJsxElementInstanceType on non-class Element"); + var classSymbol = getJsxElementTagSymbol(node); + if (classSymbol === unknownSymbol) { + // Couldn't find the class instance type. Error has already been issued + return anyType; + } + var valueType = getTypeOfSymbol(classSymbol); + if (isTypeAny(valueType)) { + // Short-circuit if the class tag is using an element type 'any' + return anyType; + } + // Resolve the signatures, preferring constructors + var signatures = getSignaturesOfType(valueType, 1 /* Construct */); + if (signatures.length === 0) { + // No construct signatures, try call signatures + signatures = getSignaturesOfType(valueType, 0 /* Call */); + if (signatures.length === 0) { + // We found no signatures at all, which is an error + error(node.tagName, ts.Diagnostics.JSX_element_type_0_does_not_have_any_construct_or_call_signatures, ts.getTextOfNode(node.tagName)); + return unknownType; + } + } + return getUnionType(signatures.map(getReturnTypeOfSignature)); + } + /// e.g. "props" for React.d.ts, + /// or 'undefined' if ElementAttributesPropery doesn't exist (which means all + /// non-intrinsic elements' attributes type is 'any'), + /// or '' if it has 0 properties (which means every + /// non-instrinsic elements' attributes type is the element instance type) + function getJsxElementPropertiesName() { + // JSX + var jsxNamespace = getGlobalSymbol(JsxNames.JSX, 1536 /* Namespace */, /*diagnosticMessage*/ undefined); + // JSX.ElementAttributesProperty [symbol] + var attribsPropTypeSym = jsxNamespace && getSymbol(jsxNamespace.exports, JsxNames.ElementAttributesPropertyNameContainer, 793056 /* Type */); + // JSX.ElementAttributesProperty [type] + var attribPropType = attribsPropTypeSym && getDeclaredTypeOfSymbol(attribsPropTypeSym); + // The properites of JSX.ElementAttributesProperty + var attribProperties = attribPropType && getPropertiesOfType(attribPropType); + if (attribProperties) { + // Element Attributes has zero properties, so the element attributes type will be the class instance type + if (attribProperties.length === 0) { + return ""; + } + else if (attribProperties.length === 1) { + return attribProperties[0].name; + } + else { + error(attribsPropTypeSym.declarations[0], ts.Diagnostics.The_global_type_JSX_0_may_not_have_more_than_one_property, JsxNames.ElementAttributesPropertyNameContainer); + return undefined; + } + } + else { + // No interface exists, so the element attributes type will be an implicit any + return undefined; + } + } + /** + * Given an opening/self-closing element, get the 'element attributes type', i.e. the type that tells + * us which attributes are valid on a given element. + */ + function getJsxElementAttributesType(node) { + var links = getNodeLinks(node); + if (!links.resolvedJsxType) { + var sym = getJsxElementTagSymbol(node); + if (links.jsxFlags & 4 /* ValueElement */) { + // Get the element instance type (the result of newing or invoking this tag) + var elemInstanceType = getJsxElementInstanceType(node); + var elemClassType = getJsxGlobalElementClassType(); + if (!elemClassType || !isTypeAssignableTo(elemInstanceType, elemClassType)) { + // Is this is a stateless function component? See if its single signature's return type is + // assignable to the JSX Element Type + var elemType = getTypeOfSymbol(sym); + var callSignatures = elemType && getSignaturesOfType(elemType, 0 /* Call */); + var callSignature = callSignatures && callSignatures.length > 0 && callSignatures[0]; + var callReturnType = callSignature && getReturnTypeOfSignature(callSignature); + var paramType = callReturnType && (callSignature.parameters.length === 0 ? emptyObjectType : getTypeOfSymbol(callSignature.parameters[0])); + if (callReturnType && isTypeAssignableTo(callReturnType, jsxElementType)) { + // Intersect in JSX.IntrinsicAttributes if it exists + var intrinsicAttributes = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttributes !== unknownType) { + paramType = intersectTypes(intrinsicAttributes, paramType); + } + return links.resolvedJsxType = paramType; + } + } + // Issue an error if this return type isn't assignable to JSX.ElementClass + if (elemClassType) { + checkTypeRelatedTo(elemInstanceType, elemClassType, assignableRelation, node, ts.Diagnostics.JSX_element_type_0_is_not_a_constructor_function_for_JSX_elements); + } + if (isTypeAny(elemInstanceType)) { + return links.resolvedJsxType = elemInstanceType; + } + var propsName = getJsxElementPropertiesName(); + if (propsName === undefined) { + // There is no type ElementAttributesProperty, return 'any' + return links.resolvedJsxType = anyType; + } + else if (propsName === "") { + // If there is no e.g. 'props' member in ElementAttributesProperty, use the element class type instead + return links.resolvedJsxType = elemInstanceType; + } + else { + var attributesType = getTypeOfPropertyOfType(elemInstanceType, propsName); + if (!attributesType) { + // There is no property named 'props' on this instance type + return links.resolvedJsxType = emptyObjectType; + } + else if (isTypeAny(attributesType) || (attributesType === unknownType)) { + // Props is of type 'any' or unknown + return links.resolvedJsxType = attributesType; + } + else if (attributesType.flags & 16384 /* Union */) { + // Props cannot be a union type + error(node.tagName, ts.Diagnostics.JSX_element_attributes_type_0_may_not_be_a_union_type, typeToString(attributesType)); + return links.resolvedJsxType = anyType; + } + else { + // Normal case -- add in IntrinsicClassElements and IntrinsicElements + var apparentAttributesType = attributesType; + var intrinsicClassAttribs = getJsxType(JsxNames.IntrinsicClassAttributes); + if (intrinsicClassAttribs !== unknownType) { + var typeParams = getLocalTypeParametersOfClassOrInterfaceOrTypeAlias(intrinsicClassAttribs.symbol); + if (typeParams) { + if (typeParams.length === 1) { + apparentAttributesType = intersectTypes(createTypeReference(intrinsicClassAttribs, [elemInstanceType]), apparentAttributesType); + } + } + else { + apparentAttributesType = intersectTypes(attributesType, intrinsicClassAttribs); + } + } + var intrinsicAttribs = getJsxType(JsxNames.IntrinsicAttributes); + if (intrinsicAttribs !== unknownType) { + apparentAttributesType = intersectTypes(intrinsicAttribs, apparentAttributesType); + } + return links.resolvedJsxType = apparentAttributesType; + } + } + } + else if (links.jsxFlags & 1 /* IntrinsicNamedElement */) { + return links.resolvedJsxType = getTypeOfSymbol(sym); + } + else if (links.jsxFlags & 2 /* IntrinsicIndexedElement */) { + return links.resolvedJsxType = getIndexTypeOfSymbol(sym, 0 /* String */); + } + else { + // Resolution failed, so we don't know + return links.resolvedJsxType = anyType; + } + } + return links.resolvedJsxType; + } + /** + * Given a JSX attribute, returns the symbol for the corresponds property + * of the element attributes type. Will return unknownSymbol for attributes + * that have no matching element attributes type property. + */ + function getJsxAttributePropertySymbol(attrib) { + var attributesType = getJsxElementAttributesType(attrib.parent); + var prop = getPropertyOfType(attributesType, attrib.name.text); + return prop || unknownSymbol; + } + function getJsxGlobalElementClassType() { + if (!jsxElementClassType) { + jsxElementClassType = getExportedTypeFromNamespace(JsxNames.JSX, JsxNames.ElementClass); + } + return jsxElementClassType; + } + /// Returns all the properties of the Jsx.IntrinsicElements interface + function getJsxIntrinsicTagNames() { + var intrinsics = getJsxType(JsxNames.IntrinsicElements); + return intrinsics ? getPropertiesOfType(intrinsics) : emptyArray; + } + function checkJsxPreconditions(errorNode) { + // Preconditions for using JSX + if ((compilerOptions.jsx || 0 /* None */) === 0 /* None */) { + error(errorNode, ts.Diagnostics.Cannot_use_JSX_unless_the_jsx_flag_is_provided); + } + if (jsxElementType === undefined) { + if (compilerOptions.noImplicitAny) { + error(errorNode, ts.Diagnostics.JSX_element_implicitly_has_type_any_because_the_global_type_JSX_Element_does_not_exist); + } + } + } + function checkJsxOpeningLikeElement(node) { + checkGrammarJsxElement(node); + checkJsxPreconditions(node); + // The reactNamespace symbol should be marked as 'used' so we don't incorrectly elide its import. And if there + // is no reactNamespace symbol in scope when targeting React emit, we should issue an error. + var reactRefErr = compilerOptions.jsx === 2 /* React */ ? ts.Diagnostics.Cannot_find_name_0 : undefined; + var reactNamespace = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + var reactSym = resolveName(node.tagName, reactNamespace, 107455 /* Value */, reactRefErr, reactNamespace); + if (reactSym) { + getSymbolLinks(reactSym).referenced = true; + } + var targetAttributesType = getJsxElementAttributesType(node); + var nameTable = {}; + // Process this array in right-to-left order so we know which + // attributes (mostly from spreads) are being overwritten and + // thus should have their types ignored + var sawSpreadedAny = false; + for (var i = node.attributes.length - 1; i >= 0; i--) { + if (node.attributes[i].kind === 241 /* JsxAttribute */) { + checkJsxAttribute((node.attributes[i]), targetAttributesType, nameTable); + } + else { + ts.Debug.assert(node.attributes[i].kind === 242 /* JsxSpreadAttribute */); + var spreadType = checkJsxSpreadAttribute((node.attributes[i]), targetAttributesType, nameTable); + if (isTypeAny(spreadType)) { + sawSpreadedAny = true; + } + } + } + // Check that all required properties have been provided. If an 'any' + // was spreaded in, though, assume that it provided all required properties + if (targetAttributesType && !sawSpreadedAny) { + var targetProperties = getPropertiesOfType(targetAttributesType); + for (var i = 0; i < targetProperties.length; i++) { + if (!(targetProperties[i].flags & 536870912 /* Optional */) && + nameTable[targetProperties[i].name] === undefined) { + error(node, ts.Diagnostics.Property_0_is_missing_in_type_1, targetProperties[i].name, typeToString(targetAttributesType)); + } + } + } + } + function checkJsxExpression(node) { + if (node.expression) { + return checkExpression(node.expression); + } + else { + return unknownType; + } + } + // If a symbol is a synthesized symbol with no value declaration, we assume it is a property. Example of this are the synthesized + // '.prototype' property as well as synthesized tuple index properties. + function getDeclarationKindFromSymbol(s) { + return s.valueDeclaration ? s.valueDeclaration.kind : 142 /* PropertyDeclaration */; + } + function getDeclarationFlagsFromSymbol(s) { + return s.valueDeclaration ? ts.getCombinedNodeFlags(s.valueDeclaration) : s.flags & 134217728 /* Prototype */ ? 8 /* Public */ | 64 /* Static */ : 0; + } + /** + * Check whether the requested property access is valid. + * Returns true if node is a valid property access, and false otherwise. + * @param node The node to be checked. + * @param left The left hand side of the property access (e.g.: the super in `super.foo`). + * @param type The type of left. + * @param prop The symbol for the right hand side of the property access. + */ + function checkClassPropertyAccess(node, left, type, prop) { + var flags = getDeclarationFlagsFromSymbol(prop); + var declaringClass = getDeclaredTypeOfSymbol(getParentOfSymbol(prop)); + if (left.kind === 95 /* SuperKeyword */) { + var errorNode = node.kind === 169 /* PropertyAccessExpression */ ? + node.name : + node.right; + // TS 1.0 spec (April 2014): 4.8.2 + // - In a constructor, instance member function, instance member accessor, or + // instance member variable initializer where this references a derived class instance, + // a super property access is permitted and must specify a public instance member function of the base class. + // - In a static member function or static member accessor + // where this references the constructor function object of a derived class, + // a super property access is permitted and must specify a public static member function of the base class. + if (languageVersion < 2 /* ES6 */ && getDeclarationKindFromSymbol(prop) !== 144 /* MethodDeclaration */) { + // `prop` refers to a *property* declared in the super class + // rather than a *method*, so it does not satisfy the above criteria. + error(errorNode, ts.Diagnostics.Only_public_and_protected_methods_of_the_base_class_are_accessible_via_the_super_keyword); + return false; + } + if (flags & 128 /* Abstract */) { + // A method cannot be accessed in a super property access if the method is abstract. + // This error could mask a private property access error. But, a member + // cannot simultaneously be private and abstract, so this will trigger an + // additional error elsewhere. + error(errorNode, ts.Diagnostics.Abstract_method_0_in_class_1_cannot_be_accessed_via_super_expression, symbolToString(prop), typeToString(declaringClass)); + return false; + } + } + // Public properties are otherwise accessible. + if (!(flags & (16 /* Private */ | 32 /* Protected */))) { + return true; + } + // Property is known to be private or protected at this point + // Get the declaring and enclosing class instance types + var enclosingClassDeclaration = ts.getContainingClass(node); + var enclosingClass = enclosingClassDeclaration ? getDeclaredTypeOfSymbol(getSymbolOfNode(enclosingClassDeclaration)) : undefined; + // Private property is accessible if declaring and enclosing class are the same + if (flags & 16 /* Private */) { + if (declaringClass !== enclosingClass) { + error(node, ts.Diagnostics.Property_0_is_private_and_only_accessible_within_class_1, symbolToString(prop), typeToString(declaringClass)); + return false; + } + return true; + } + // Property is known to be protected at this point + // All protected properties of a supertype are accessible in a super access + if (left.kind === 95 /* SuperKeyword */) { + return true; + } + // A protected property is accessible in the declaring class and classes derived from it + if (!enclosingClass || !hasBaseType(enclosingClass, declaringClass)) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_within_class_1_and_its_subclasses, symbolToString(prop), typeToString(declaringClass)); + return false; + } + // No further restrictions for static properties + if (flags & 64 /* Static */) { + return true; + } + // An instance property must be accessed through an instance of the enclosing class + if (type.flags & 33554432 /* ThisType */) { + // get the original type -- represented as the type constraint of the 'this' type + type = getConstraintOfTypeParameter(type); + } + // TODO: why is the first part of this check here? + if (!(getTargetType(type).flags & (1024 /* Class */ | 2048 /* Interface */) && hasBaseType(type, enclosingClass))) { + error(node, ts.Diagnostics.Property_0_is_protected_and_only_accessible_through_an_instance_of_class_1, symbolToString(prop), typeToString(enclosingClass)); + return false; + } + return true; + } + function checkPropertyAccessExpression(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.expression, node.name); + } + function checkQualifiedName(node) { + return checkPropertyAccessExpressionOrQualifiedName(node, node.left, node.right); + } + function checkPropertyAccessExpressionOrQualifiedName(node, left, right) { + var type = checkExpression(left); + if (isTypeAny(type)) { + return type; + } + var apparentType = getApparentType(getWidenedType(type)); + if (apparentType === unknownType) { + // handle cases when type is Type parameter with invalid constraint + return unknownType; + } + var prop = getPropertyOfType(apparentType, right.text); + if (!prop) { + if (right.text) { + error(right, ts.Diagnostics.Property_0_does_not_exist_on_type_1, ts.declarationNameToString(right), typeToString(type.flags & 33554432 /* ThisType */ ? apparentType : type)); + } + return unknownType; + } + getNodeLinks(node).resolvedSymbol = prop; + if (prop.parent && prop.parent.flags & 32 /* Class */) { + checkClassPropertyAccess(node, left, apparentType, prop); + } + return getTypeOfSymbol(prop); + } + function isValidPropertyAccess(node, propertyName) { + var left = node.kind === 169 /* PropertyAccessExpression */ + ? node.expression + : node.left; + var type = checkExpression(left); + if (type !== unknownType && !isTypeAny(type)) { + var prop = getPropertyOfType(getWidenedType(type), propertyName); + if (prop && prop.parent && prop.parent.flags & 32 /* Class */) { + return checkClassPropertyAccess(node, left, type, prop); + } + } + return true; + } + /** + * Return the symbol of the for-in variable declared or referenced by the given for-in statement. + */ + function getForInVariableSymbol(node) { + var initializer = node.initializer; + if (initializer.kind === 215 /* VariableDeclarationList */) { + var variable = initializer.declarations[0]; + if (variable && !ts.isBindingPattern(variable.name)) { + return getSymbolOfNode(variable); + } + } + else if (initializer.kind === 69 /* Identifier */) { + return getResolvedSymbol(initializer); + } + return undefined; + } + /** + * Return true if the given type is considered to have numeric property names. + */ + function hasNumericPropertyNames(type) { + return getIndexTypeOfType(type, 1 /* Number */) && !getIndexTypeOfType(type, 0 /* String */); + } + /** + * Return true if given node is an expression consisting of an identifier (possibly parenthesized) + * that references a for-in variable for an object with numeric property names. + */ + function isForInVariableForNumericPropertyNames(expr) { + var e = skipParenthesizedNodes(expr); + if (e.kind === 69 /* Identifier */) { + var symbol = getResolvedSymbol(e); + if (symbol.flags & 3 /* Variable */) { + var child = expr; + var node = expr.parent; + while (node) { + if (node.kind === 203 /* ForInStatement */ && + child === node.statement && + getForInVariableSymbol(node) === symbol && + hasNumericPropertyNames(checkExpression(node.expression))) { + return true; + } + child = node; + node = node.parent; + } + } + } + return false; + } + function checkIndexedAccess(node) { + // Grammar checking + if (!node.argumentExpression) { + var sourceFile = ts.getSourceFileOfNode(node); + if (node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node) { + var start = ts.skipTrivia(sourceFile.text, node.expression.end); + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.new_T_cannot_be_used_to_create_an_array_Use_new_Array_T_instead); + } + else { + var start = node.end - "]".length; + var end = node.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Expression_expected); + } + } + // Obtain base constraint such that we can bail out if the constraint is an unknown type + var objectType = getApparentType(checkExpression(node.expression)); + var indexType = node.argumentExpression ? checkExpression(node.argumentExpression) : unknownType; + if (objectType === unknownType) { + return unknownType; + } + var isConstEnum = isConstEnumObjectType(objectType); + if (isConstEnum && + (!node.argumentExpression || node.argumentExpression.kind !== 9 /* StringLiteral */)) { + error(node.argumentExpression, ts.Diagnostics.A_const_enum_member_can_only_be_accessed_using_a_string_literal); + return unknownType; + } + // TypeScript 1.0 spec (April 2014): 4.10 Property Access + // - If IndexExpr is a string literal or a numeric literal and ObjExpr's apparent type has a property with the name + // given by that literal(converted to its string representation in the case of a numeric literal), the property access is of the type of that property. + // - Otherwise, if ObjExpr's apparent type has a numeric index signature and IndexExpr is of type Any, the Number primitive type, or an enum type, + // the property access is of the type of that index signature. + // - Otherwise, if ObjExpr's apparent type has a string index signature and IndexExpr is of type Any, the String or Number primitive type, or an enum type, + // the property access is of the type of that index signature. + // - Otherwise, if IndexExpr is of type Any, the String or Number primitive type, or an enum type, the property access is of type Any. + // See if we can index as a property. + if (node.argumentExpression) { + var name_11 = getPropertyNameForIndexedAccess(node.argumentExpression, indexType); + if (name_11 !== undefined) { + var prop = getPropertyOfType(objectType, name_11); + if (prop) { + getNodeLinks(node).resolvedSymbol = prop; + return getTypeOfSymbol(prop); + } + else if (isConstEnum) { + error(node.argumentExpression, ts.Diagnostics.Property_0_does_not_exist_on_const_enum_1, name_11, symbolToString(objectType.symbol)); + return unknownType; + } + } + } + // Check for compatible indexer types. + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { + // Try to use a number indexer. + if (isTypeAnyOrAllConstituentTypesHaveKind(indexType, 132 /* NumberLike */) || isForInVariableForNumericPropertyNames(node.argumentExpression)) { + var numberIndexType = getIndexTypeOfType(objectType, 1 /* Number */); + if (numberIndexType) { + return numberIndexType; + } + } + // Try to use string indexing. + var stringIndexType = getIndexTypeOfType(objectType, 0 /* String */); + if (stringIndexType) { + return stringIndexType; + } + // Fall back to any. + if (compilerOptions.noImplicitAny && !compilerOptions.suppressImplicitAnyIndexErrors && !isTypeAny(objectType)) { + error(node, getIndexTypeOfType(objectType, 1 /* Number */) ? + ts.Diagnostics.Element_implicitly_has_an_any_type_because_index_expression_is_not_of_type_number : + ts.Diagnostics.Index_signature_of_object_type_implicitly_has_an_any_type); + } + return anyType; + } + // REVIEW: Users should know the type that was actually used. + error(node, ts.Diagnostics.An_index_expression_argument_must_be_of_type_string_number_symbol_or_any); + return unknownType; + } + /** + * If indexArgumentExpression is a string literal or number literal, returns its text. + * If indexArgumentExpression is a constant value, returns its string value. + * If indexArgumentExpression is a well known symbol, returns the property name corresponding + * to this symbol, as long as it is a proper symbol reference. + * Otherwise, returns undefined. + */ + function getPropertyNameForIndexedAccess(indexArgumentExpression, indexArgumentType) { + if (indexArgumentExpression.kind === 9 /* StringLiteral */ || indexArgumentExpression.kind === 8 /* NumericLiteral */) { + return indexArgumentExpression.text; + } + if (indexArgumentExpression.kind === 170 /* ElementAccessExpression */ || indexArgumentExpression.kind === 169 /* PropertyAccessExpression */) { + var value = getConstantValue(indexArgumentExpression); + if (value !== undefined) { + return value.toString(); + } + } + if (checkThatExpressionIsProperSymbolReference(indexArgumentExpression, indexArgumentType, /*reportError*/ false)) { + var rightHandSideName = indexArgumentExpression.name.text; + return ts.getPropertyNameForKnownSymbolName(rightHandSideName); + } + return undefined; + } + /** + * A proper symbol reference requires the following: + * 1. The property access denotes a property that exists + * 2. The expression is of the form Symbol. + * 3. The property access is of the primitive type symbol. + * 4. Symbol in this context resolves to the global Symbol object + */ + function checkThatExpressionIsProperSymbolReference(expression, expressionType, reportError) { + if (expressionType === unknownType) { + // There is already an error, so no need to report one. + return false; + } + if (!ts.isWellKnownSymbolSyntactically(expression)) { + return false; + } + // Make sure the property type is the primitive symbol type + if ((expressionType.flags & 16777216 /* ESSymbol */) === 0) { + if (reportError) { + error(expression, ts.Diagnostics.A_computed_property_name_of_the_form_0_must_be_of_type_symbol, ts.getTextOfNode(expression)); + } + return false; + } + // The name is Symbol., so make sure Symbol actually resolves to the + // global Symbol object + var leftHandSide = expression.expression; + var leftHandSideSymbol = getResolvedSymbol(leftHandSide); + if (!leftHandSideSymbol) { + return false; + } + var globalESSymbol = getGlobalESSymbolConstructorSymbol(); + if (!globalESSymbol) { + // Already errored when we tried to look up the symbol + return false; + } + if (leftHandSideSymbol !== globalESSymbol) { + if (reportError) { + error(leftHandSide, ts.Diagnostics.Symbol_reference_does_not_refer_to_the_global_Symbol_constructor_object); + } + return false; + } + return true; + } + function resolveUntypedCall(node) { + if (node.kind === 173 /* TaggedTemplateExpression */) { + checkExpression(node.template); + } + else if (node.kind !== 140 /* Decorator */) { + ts.forEach(node.arguments, function (argument) { + checkExpression(argument); + }); + } + return anySignature; + } + function resolveErrorCall(node) { + resolveUntypedCall(node); + return unknownSignature; + } + // Re-order candidate signatures into the result array. Assumes the result array to be empty. + // The candidate list orders groups in reverse, but within a group signatures are kept in declaration order + // A nit here is that we reorder only signatures that belong to the same symbol, + // so order how inherited signatures are processed is still preserved. + // interface A { (x: string): void } + // interface B extends A { (x: 'foo'): string } + // const b: B; + // b('foo') // <- here overloads should be processed as [(x:'foo'): string, (x: string): void] + function reorderCandidates(signatures, result) { + var lastParent; + var lastSymbol; + var cutoffIndex = 0; + var index; + var specializedIndex = -1; + var spliceIndex; + ts.Debug.assert(!result.length); + for (var _i = 0, signatures_2 = signatures; _i < signatures_2.length; _i++) { + var signature = signatures_2[_i]; + var symbol = signature.declaration && getSymbolOfNode(signature.declaration); + var parent_6 = signature.declaration && signature.declaration.parent; + if (!lastSymbol || symbol === lastSymbol) { + if (lastParent && parent_6 === lastParent) { + index++; + } + else { + lastParent = parent_6; + index = cutoffIndex; + } + } + else { + // current declaration belongs to a different symbol + // set cutoffIndex so re-orderings in the future won't change result set from 0 to cutoffIndex + index = cutoffIndex = result.length; + lastParent = parent_6; + } + lastSymbol = symbol; + // specialized signatures always need to be placed before non-specialized signatures regardless + // of the cutoff position; see GH#1133 + if (signature.hasStringLiterals) { + specializedIndex++; + spliceIndex = specializedIndex; + // The cutoff index always needs to be greater than or equal to the specialized signature index + // in order to prevent non-specialized signatures from being added before a specialized + // signature. + cutoffIndex++; + } + else { + spliceIndex = index; + } + result.splice(spliceIndex, 0, signature); + } + } + function getSpreadArgumentIndex(args) { + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + if (arg && arg.kind === 188 /* SpreadElementExpression */) { + return i; + } + } + return -1; + } + function hasCorrectArity(node, args, signature) { + var adjustedArgCount; // Apparent number of arguments we will have in this call + var typeArguments; // Type arguments (undefined if none) + var callIsIncomplete; // In incomplete call we want to be lenient when we have too few arguments + var isDecorator; + var spreadArgIndex = -1; + if (node.kind === 173 /* TaggedTemplateExpression */) { + var tagExpression = node; + // Even if the call is incomplete, we'll have a missing expression as our last argument, + // so we can say the count is just the arg list length + adjustedArgCount = args.length; + typeArguments = undefined; + if (tagExpression.template.kind === 186 /* TemplateExpression */) { + // If a tagged template expression lacks a tail literal, the call is incomplete. + // Specifically, a template only can end in a TemplateTail or a Missing literal. + var templateExpression = tagExpression.template; + var lastSpan = ts.lastOrUndefined(templateExpression.templateSpans); + ts.Debug.assert(lastSpan !== undefined); // we should always have at least one span. + callIsIncomplete = ts.nodeIsMissing(lastSpan.literal) || !!lastSpan.literal.isUnterminated; + } + else { + // If the template didn't end in a backtick, or its beginning occurred right prior to EOF, + // then this might actually turn out to be a TemplateHead in the future; + // so we consider the call to be incomplete. + var templateLiteral = tagExpression.template; + ts.Debug.assert(templateLiteral.kind === 11 /* NoSubstitutionTemplateLiteral */); + callIsIncomplete = !!templateLiteral.isUnterminated; + } + } + else if (node.kind === 140 /* Decorator */) { + isDecorator = true; + typeArguments = undefined; + adjustedArgCount = getEffectiveArgumentCount(node, /*args*/ undefined, signature); + } + else { + var callExpression = node; + if (!callExpression.arguments) { + // This only happens when we have something of the form: 'new C' + ts.Debug.assert(callExpression.kind === 172 /* NewExpression */); + return signature.minArgumentCount === 0; + } + // For IDE scenarios we may have an incomplete call, so a trailing comma is tantamount to adding another argument. + adjustedArgCount = callExpression.arguments.hasTrailingComma ? args.length + 1 : args.length; + // If we are missing the close paren, the call is incomplete. + callIsIncomplete = callExpression.arguments.end === callExpression.end; + typeArguments = callExpression.typeArguments; + spreadArgIndex = getSpreadArgumentIndex(args); + } + // If the user supplied type arguments, but the number of type arguments does not match + // the declared number of type parameters, the call has an incorrect arity. + var hasRightNumberOfTypeArgs = !typeArguments || + (signature.typeParameters && typeArguments.length === signature.typeParameters.length); + if (!hasRightNumberOfTypeArgs) { + return false; + } + // If spread arguments are present, check that they correspond to a rest parameter. If so, no + // further checking is necessary. + if (spreadArgIndex >= 0) { + return isRestParameterIndex(signature, spreadArgIndex); + } + // Too many arguments implies incorrect arity. + if (!signature.hasRestParameter && adjustedArgCount > signature.parameters.length) { + return false; + } + // If the call is incomplete, we should skip the lower bound check. + var hasEnoughArguments = adjustedArgCount >= signature.minArgumentCount; + return callIsIncomplete || hasEnoughArguments; + } + // If type has a single call signature and no other members, return that signature. Otherwise, return undefined. + function getSingleCallSignature(type) { + if (type.flags & 80896 /* ObjectType */) { + var resolved = resolveStructuredTypeMembers(type); + if (resolved.callSignatures.length === 1 && resolved.constructSignatures.length === 0 && + resolved.properties.length === 0 && !resolved.stringIndexType && !resolved.numberIndexType) { + return resolved.callSignatures[0]; + } + } + return undefined; + } + // Instantiate a generic signature in the context of a non-generic signature (section 3.8.5 in TypeScript spec) + function instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper) { + var context = createInferenceContext(signature.typeParameters, /*inferUnionTypes*/ true); + forEachMatchingParameterType(contextualSignature, signature, function (source, target) { + // Type parameters from outer context referenced by source type are fixed by instantiation of the source type + inferTypes(context, instantiateType(source, contextualMapper), target); + }); + return getSignatureInstantiation(signature, getInferredTypes(context)); + } + function inferTypeArguments(node, signature, args, excludeArgument, context) { + var typeParameters = signature.typeParameters; + var inferenceMapper = getInferenceMapper(context); + // Clear out all the inference results from the last time inferTypeArguments was called on this context + for (var i = 0; i < typeParameters.length; i++) { + // As an optimization, we don't have to clear (and later recompute) inferred types + // for type parameters that have already been fixed on the previous call to inferTypeArguments. + // It would be just as correct to reset all of them. But then we'd be repeating the same work + // for the type parameters that were fixed, namely the work done by getInferredType. + if (!context.inferences[i].isFixed) { + context.inferredTypes[i] = undefined; + } + } + // On this call to inferTypeArguments, we may get more inferences for certain type parameters that were not + // fixed last time. This means that a type parameter that failed inference last time may succeed this time, + // or vice versa. Therefore, the failedTypeParameterIndex is useless if it points to an unfixed type parameter, + // because it may change. So here we reset it. However, getInferredType will not revisit any type parameters + // that were previously fixed. So if a fixed type parameter failed previously, it will fail again because + // it will contain the exact same set of inferences. So if we reset the index from a fixed type parameter, + // we will lose information that we won't recover this time around. + if (context.failedTypeParameterIndex !== undefined && !context.inferences[context.failedTypeParameterIndex].isFixed) { + context.failedTypeParameterIndex = undefined; + } + // We perform two passes over the arguments. In the first pass we infer from all arguments, but use + // wildcards for all context sensitive function expressions. + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. + if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + // If the effective argument type is 'undefined', there is no synthetic type + // for the argument. In that case, we should check the argument. + if (argType === undefined) { + // For context sensitive arguments we pass the identityMapper, which is a signal to treat all + // context sensitive function expressions as wildcards + var mapper = excludeArgument && excludeArgument[i] !== undefined ? identityMapper : inferenceMapper; + argType = checkExpressionWithContextualType(arg, paramType, mapper); + } + inferTypes(context, argType, paramType); + } + } + // In the second pass we visit only context sensitive arguments, and only those that aren't excluded, this + // time treating function expressions normally (which may cause previously inferred type arguments to be fixed + // as we construct types for contextually typed parameters) + // Decorators will not have `excludeArgument`, as their arguments cannot be contextually typed. + // Tagged template expressions will always have `undefined` for `excludeArgument[0]`. + if (excludeArgument) { + for (var i = 0; i < argCount; i++) { + // No need to check for omitted args and template expressions, their exlusion value is always undefined + if (excludeArgument[i] === false) { + var arg = args[i]; + var paramType = getTypeAtPosition(signature, i); + inferTypes(context, checkExpressionWithContextualType(arg, paramType, inferenceMapper), paramType); + } + } + } + getInferredTypes(context); + } + function checkTypeArguments(signature, typeArgumentNodes, typeArgumentTypes, reportErrors, headMessage) { + var typeParameters = signature.typeParameters; + var typeArgumentsAreAssignable = true; + var mapper; + for (var i = 0; i < typeParameters.length; i++) { + if (typeArgumentsAreAssignable /* so far */) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + var errorInfo = void 0; + var typeArgumentHeadMessage = ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1; + if (reportErrors && headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, typeArgumentHeadMessage); + typeArgumentHeadMessage = headMessage; + } + if (!mapper) { + mapper = createTypeMapper(typeParameters, typeArgumentTypes); + } + var typeArgument = typeArgumentTypes[i]; + typeArgumentsAreAssignable = checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), reportErrors ? typeArgumentNodes[i] : undefined, typeArgumentHeadMessage, errorInfo); + } + } + } + return typeArgumentsAreAssignable; + } + function checkApplicableSignature(node, args, signature, relation, excludeArgument, reportErrors) { + var argCount = getEffectiveArgumentCount(node, args, signature); + for (var i = 0; i < argCount; i++) { + var arg = getEffectiveArgument(node, args, i); + // If the effective argument is 'undefined', then it is an argument that is present but is synthetic. + if (arg === undefined || arg.kind !== 190 /* OmittedExpression */) { + // Check spread elements against rest type (from arity check we know spread argument corresponds to a rest parameter) + var paramType = getTypeAtPosition(signature, i); + var argType = getEffectiveArgumentType(node, i, arg); + // If the effective argument type is 'undefined', there is no synthetic type + // for the argument. In that case, we should check the argument. + if (argType === undefined) { + argType = arg.kind === 9 /* StringLiteral */ && !reportErrors + ? getStringLiteralTypeForText(arg.text) + : checkExpressionWithContextualType(arg, paramType, excludeArgument && excludeArgument[i] ? identityMapper : undefined); + } + // Use argument expression as error location when reporting errors + var errorNode = reportErrors ? getEffectiveArgumentErrorNode(node, i, arg) : undefined; + var headMessage = ts.Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1; + if (!checkTypeRelatedTo(argType, paramType, relation, errorNode, headMessage)) { + return false; + } + } + } + return true; + } + /** + * Returns the effective arguments for an expression that works like a function invocation. + * + * If 'node' is a CallExpression or a NewExpression, then its argument list is returned. + * If 'node' is a TaggedTemplateExpression, a new argument list is constructed from the substitution + * expressions, where the first element of the list is `undefined`. + * If 'node' is a Decorator, the argument list will be `undefined`, and its arguments and types + * will be supplied from calls to `getEffectiveArgumentCount` and `getEffectiveArgumentType`. + */ + function getEffectiveCallArguments(node) { + var args; + if (node.kind === 173 /* TaggedTemplateExpression */) { + var template = node.template; + args = [undefined]; + if (template.kind === 186 /* TemplateExpression */) { + ts.forEach(template.templateSpans, function (span) { + args.push(span.expression); + }); + } + } + else if (node.kind === 140 /* Decorator */) { + // For a decorator, we return undefined as we will determine + // the number and types of arguments for a decorator using + // `getEffectiveArgumentCount` and `getEffectiveArgumentType` below. + return undefined; + } + else { + args = node.arguments || emptyArray; + } + return args; + } + /** + * Returns the effective argument count for a node that works like a function invocation. + * If 'node' is a Decorator, the number of arguments is derived from the decoration + * target and the signature: + * If 'node.target' is a class declaration or class expression, the effective argument + * count is 1. + * If 'node.target' is a parameter declaration, the effective argument count is 3. + * If 'node.target' is a property declaration, the effective argument count is 2. + * If 'node.target' is a method or accessor declaration, the effective argument count + * is 3, although it can be 2 if the signature only accepts two arguments, allowing + * us to match a property decorator. + * Otherwise, the argument count is the length of the 'args' array. + */ + function getEffectiveArgumentCount(node, args, signature) { + if (node.kind === 140 /* Decorator */) { + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + // A class decorator will have one argument (see `ClassDecorator` in core.d.ts) + return 1; + case 142 /* PropertyDeclaration */: + // A property declaration decorator will have two arguments (see + // `PropertyDecorator` in core.d.ts) + return 2; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + // A method or accessor declaration decorator will have two or three arguments (see + // `PropertyDecorator` and `MethodDecorator` in core.d.ts) + // If we are emitting decorators for ES3, we will only pass two arguments. + if (languageVersion === 0 /* ES3 */) { + return 2; + } + // If the method decorator signature only accepts a target and a key, we will only + // type check those arguments. + return signature.parameters.length >= 3 ? 3 : 2; + case 139 /* Parameter */: + // A parameter declaration decorator will have three arguments (see + // `ParameterDecorator` in core.d.ts) + return 3; + } + } + else { + return args.length; + } + } + /** + * Returns the effective type of the first argument to a decorator. + * If 'node' is a class declaration or class expression, the effective argument type + * is the type of the static side of the class. + * If 'node' is a parameter declaration, the effective argument type is either the type + * of the static or instance side of the class for the parameter's parent method, + * depending on whether the method is declared static. + * For a constructor, the type is always the type of the static side of the class. + * If 'node' is a property, method, or accessor declaration, the effective argument + * type is the type of the static or instance side of the parent class for class + * element, depending on whether the element is declared static. + */ + function getEffectiveDecoratorFirstArgumentType(node) { + // The first argument to a decorator is its `target`. + if (node.kind === 217 /* ClassDeclaration */) { + // For a class decorator, the `target` is the type of the class (e.g. the + // "static" or "constructor" side of the class) + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + if (node.kind === 139 /* Parameter */) { + // For a parameter decorator, the `target` is the parent type of the + // parameter's containing method. + node = node.parent; + if (node.kind === 145 /* Constructor */) { + var classSymbol = getSymbolOfNode(node); + return getTypeOfSymbol(classSymbol); + } + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // For a property or method decorator, the `target` is the + // "static"-side type of the parent of the member if the member is + // declared "static"; otherwise, it is the "instance"-side type of the + // parent of the member. + return getParentTypeOfClassElement(node); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective type for the second argument to a decorator. + * If 'node' is a parameter, its effective argument type is one of the following: + * If 'node.parent' is a constructor, the effective argument type is 'any', as we + * will emit `undefined`. + * If 'node.parent' is a member with an identifier, numeric, or string literal name, + * the effective argument type will be a string literal type for the member name. + * If 'node.parent' is a computed property name, the effective argument type will + * either be a symbol type or the string type. + * If 'node' is a member with an identifier, numeric, or string literal name, the + * effective argument type will be a string literal type for the member name. + * If 'node' is a computed property name, the effective argument type will either + * be a symbol type or the string type. + * A class decorator does not have a second argument type. + */ + function getEffectiveDecoratorSecondArgumentType(node) { + // The second argument to a decorator is its `propertyKey` + if (node.kind === 217 /* ClassDeclaration */) { + ts.Debug.fail("Class decorators should not have a second synthetic argument."); + return unknownType; + } + if (node.kind === 139 /* Parameter */) { + node = node.parent; + if (node.kind === 145 /* Constructor */) { + // For a constructor parameter decorator, the `propertyKey` will be `undefined`. + return anyType; + } + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // The `propertyKey` for a property or method decorator will be a + // string literal type if the member name is an identifier, number, or string; + // otherwise, if the member name is a computed property name it will + // be either string or symbol. + var element = node; + switch (element.name.kind) { + case 69 /* Identifier */: + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + return getStringLiteralTypeForText(element.name.text); + case 137 /* ComputedPropertyName */: + var nameType = checkComputedPropertyName(element.name); + if (allConstituentTypesHaveKind(nameType, 16777216 /* ESSymbol */)) { + return nameType; + } + else { + return stringType; + } + default: + ts.Debug.fail("Unsupported property name."); + return unknownType; + } + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective argument type for the third argument to a decorator. + * If 'node' is a parameter, the effective argument type is the number type. + * If 'node' is a method or accessor, the effective argument type is a + * `TypedPropertyDescriptor` instantiated with the type of the member. + * Class and property decorators do not have a third effective argument. + */ + function getEffectiveDecoratorThirdArgumentType(node) { + // The third argument to a decorator is either its `descriptor` for a method decorator + // or its `parameterIndex` for a paramter decorator + if (node.kind === 217 /* ClassDeclaration */) { + ts.Debug.fail("Class decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 139 /* Parameter */) { + // The `parameterIndex` for a parameter decorator is always a number + return numberType; + } + if (node.kind === 142 /* PropertyDeclaration */) { + ts.Debug.fail("Property decorators should not have a third synthetic argument."); + return unknownType; + } + if (node.kind === 144 /* MethodDeclaration */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // The `descriptor` for a method decorator will be a `TypedPropertyDescriptor` + // for the type of the member. + var propertyType = getTypeOfNode(node); + return createTypedPropertyDescriptorType(propertyType); + } + ts.Debug.fail("Unsupported decorator target."); + return unknownType; + } + /** + * Returns the effective argument type for the provided argument to a decorator. + */ + function getEffectiveDecoratorArgumentType(node, argIndex) { + if (argIndex === 0) { + return getEffectiveDecoratorFirstArgumentType(node.parent); + } + else if (argIndex === 1) { + return getEffectiveDecoratorSecondArgumentType(node.parent); + } + else if (argIndex === 2) { + return getEffectiveDecoratorThirdArgumentType(node.parent); + } + ts.Debug.fail("Decorators should not have a fourth synthetic argument."); + return unknownType; + } + /** + * Gets the effective argument type for an argument in a call expression. + */ + function getEffectiveArgumentType(node, argIndex, arg) { + // Decorators provide special arguments, a tagged template expression provides + // a special first argument, and string literals get string literal types + // unless we're reporting errors + if (node.kind === 140 /* Decorator */) { + return getEffectiveDecoratorArgumentType(node, argIndex); + } + else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { + return globalTemplateStringsArrayType; + } + // This is not a synthetic argument, so we return 'undefined' + // to signal that the caller needs to check the argument. + return undefined; + } + /** + * Gets the effective argument expression for an argument in a call expression. + */ + function getEffectiveArgument(node, args, argIndex) { + // For a decorator or the first argument of a tagged template expression we return undefined. + if (node.kind === 140 /* Decorator */ || + (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */)) { + return undefined; + } + return args[argIndex]; + } + /** + * Gets the error node to use when reporting errors for an effective argument. + */ + function getEffectiveArgumentErrorNode(node, argIndex, arg) { + if (node.kind === 140 /* Decorator */) { + // For a decorator, we use the expression of the decorator for error reporting. + return node.expression; + } + else if (argIndex === 0 && node.kind === 173 /* TaggedTemplateExpression */) { + // For a the first argument of a tagged template expression, we use the template of the tag for error reporting. + return node.template; + } + else { + return arg; + } + } + function resolveCall(node, signatures, candidatesOutArray, headMessage) { + var isTaggedTemplate = node.kind === 173 /* TaggedTemplateExpression */; + var isDecorator = node.kind === 140 /* Decorator */; + var typeArguments; + if (!isTaggedTemplate && !isDecorator) { + typeArguments = node.typeArguments; + // We already perform checking on the type arguments on the class declaration itself. + if (node.expression.kind !== 95 /* SuperKeyword */) { + ts.forEach(typeArguments, checkSourceElement); + } + } + var candidates = candidatesOutArray || []; + // reorderCandidates fills up the candidates array directly + reorderCandidates(signatures, candidates); + if (!candidates.length) { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + return resolveErrorCall(node); + } + var args = getEffectiveCallArguments(node); + // The following applies to any value of 'excludeArgument[i]': + // - true: the argument at 'i' is susceptible to a one-time permanent contextual typing. + // - undefined: the argument at 'i' is *not* susceptible to permanent contextual typing. + // - false: the argument at 'i' *was* and *has been* permanently contextually typed. + // + // The idea is that we will perform type argument inference & assignability checking once + // without using the susceptible parameters that are functions, and once more for each of those + // parameters, contextually typing each as we go along. + // + // For a tagged template, then the first argument be 'undefined' if necessary + // because it represents a TemplateStringsArray. + // + // For a decorator, no arguments are susceptible to contextual typing due to the fact + // decorators are applied to a declaration by the emitter, and not to an expression. + var excludeArgument; + if (!isDecorator) { + // We do not need to call `getEffectiveArgumentCount` here as it only + // applies when calculating the number of arguments for a decorator. + for (var i = isTaggedTemplate ? 1 : 0; i < args.length; i++) { + if (isContextSensitive(args[i])) { + if (!excludeArgument) { + excludeArgument = new Array(args.length); + } + excludeArgument[i] = true; + } + } + } + // The following variables are captured and modified by calls to chooseOverload. + // If overload resolution or type argument inference fails, we want to report the + // best error possible. The best error is one which says that an argument was not + // assignable to a parameter. This implies that everything else about the overload + // was fine. So if there is any overload that is only incorrect because of an + // argument, we will report an error on that one. + // + // function foo(s: string) {} + // function foo(n: number) {} // Report argument error on this overload + // function foo() {} + // foo(true); + // + // If none of the overloads even made it that far, there are two possibilities. + // There was a problem with type arguments for some overload, in which case + // report an error on that. Or none of the overloads even had correct arity, + // in which case give an arity error. + // + // function foo(x: T, y: T) {} // Report type argument inference error + // function foo() {} + // foo(0, true); + // + var candidateForArgumentError; + var candidateForTypeArgumentError; + var resultOfFailedInference; + var result; + // Section 4.12.1: + // if the candidate list contains one or more signatures for which the type of each argument + // expression is a subtype of each corresponding parameter type, the return type of the first + // of those signatures becomes the return type of the function call. + // Otherwise, the return type of the first signature in the candidate list becomes the return + // type of the function call. + // + // Whether the call is an error is determined by assignability of the arguments. The subtype pass + // is just important for choosing the best signature. So in the case where there is only one + // signature, the subtype pass is useless. So skipping it is an optimization. + if (candidates.length > 1) { + result = chooseOverload(candidates, subtypeRelation); + } + if (!result) { + // Reinitialize these pointers for round two + candidateForArgumentError = undefined; + candidateForTypeArgumentError = undefined; + resultOfFailedInference = undefined; + result = chooseOverload(candidates, assignableRelation); + } + if (result) { + return result; + } + // No signatures were applicable. Now report errors based on the last applicable signature with + // no arguments excluded from assignability checks. + // If candidate is undefined, it means that no candidates had a suitable arity. In that case, + // skip the checkApplicableSignature check. + if (candidateForArgumentError) { + // excludeArgument is undefined, in this case also equivalent to [undefined, undefined, ...] + // The importance of excludeArgument is to prevent us from typing function expression parameters + // in arguments too early. If possible, we'd like to only type them once we know the correct + // overload. However, this matters for the case where the call is correct. When the call is + // an error, we don't need to exclude any arguments, although it would cause no harm to do so. + checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true); + } + else if (candidateForTypeArgumentError) { + if (!isTaggedTemplate && !isDecorator && typeArguments) { + var typeArguments_2 = node.typeArguments; + checkTypeArguments(candidateForTypeArgumentError, typeArguments_2, ts.map(typeArguments_2, getTypeFromTypeNode), /*reportErrors*/ true, headMessage); + } + else { + ts.Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0); + var failedTypeParameter = candidateForTypeArgumentError.typeParameters[resultOfFailedInference.failedTypeParameterIndex]; + var inferenceCandidates = getInferenceCandidates(resultOfFailedInference, resultOfFailedInference.failedTypeParameterIndex); + var diagnosticChainHead = ts.chainDiagnosticMessages(/*details*/ undefined, // details will be provided by call to reportNoCommonSupertypeError + ts.Diagnostics.The_type_argument_for_type_parameter_0_cannot_be_inferred_from_the_usage_Consider_specifying_the_type_arguments_explicitly, typeToString(failedTypeParameter)); + if (headMessage) { + diagnosticChainHead = ts.chainDiagnosticMessages(diagnosticChainHead, headMessage); + } + reportNoCommonSupertypeError(inferenceCandidates, node.expression || node.tag, diagnosticChainHead); + } + } + else { + reportError(ts.Diagnostics.Supplied_parameters_do_not_match_any_signature_of_call_target); + } + // No signature was applicable. We have already reported the errors for the invalid signature. + // If this is a type resolution session, e.g. Language Service, try to get better information that anySignature. + // Pick the first candidate that matches the arity. This way we can get a contextual type for cases like: + // declare function f(a: { xa: number; xb: number; }); + // f({ | + if (!produceDiagnostics) { + for (var _i = 0, candidates_1 = candidates; _i < candidates_1.length; _i++) { + var candidate = candidates_1[_i]; + if (hasCorrectArity(node, args, candidate)) { + if (candidate.typeParameters && typeArguments) { + candidate = getSignatureInstantiation(candidate, ts.map(typeArguments, getTypeFromTypeNode)); + } + return candidate; + } + } + } + return resolveErrorCall(node); + function reportError(message, arg0, arg1, arg2) { + var errorInfo; + errorInfo = ts.chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2); + if (headMessage) { + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + } + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + } + function chooseOverload(candidates, relation) { + for (var _i = 0, candidates_2 = candidates; _i < candidates_2.length; _i++) { + var originalCandidate = candidates_2[_i]; + if (!hasCorrectArity(node, args, originalCandidate)) { + continue; + } + var candidate = void 0; + var typeArgumentsAreValid = void 0; + var inferenceContext = originalCandidate.typeParameters + ? createInferenceContext(originalCandidate.typeParameters, /*inferUnionTypes*/ false) + : undefined; + while (true) { + candidate = originalCandidate; + if (candidate.typeParameters) { + var typeArgumentTypes = void 0; + if (typeArguments) { + typeArgumentTypes = ts.map(typeArguments, getTypeFromTypeNode); + typeArgumentsAreValid = checkTypeArguments(candidate, typeArguments, typeArgumentTypes, /*reportErrors*/ false); + } + else { + inferTypeArguments(node, candidate, args, excludeArgument, inferenceContext); + typeArgumentsAreValid = inferenceContext.failedTypeParameterIndex === undefined; + typeArgumentTypes = inferenceContext.inferredTypes; + } + if (!typeArgumentsAreValid) { + break; + } + candidate = getSignatureInstantiation(candidate, typeArgumentTypes); + } + if (!checkApplicableSignature(node, args, candidate, relation, excludeArgument, /*reportErrors*/ false)) { + break; + } + var index = excludeArgument ? ts.indexOf(excludeArgument, true) : -1; + if (index < 0) { + return candidate; + } + excludeArgument[index] = false; + } + // A post-mortem of this iteration of the loop. The signature was not applicable, + // so we want to track it as a candidate for reporting an error. If the candidate + // had no type parameters, or had no issues related to type arguments, we can + // report an error based on the arguments. If there was an issue with type + // arguments, then we can only report an error based on the type arguments. + if (originalCandidate.typeParameters) { + var instantiatedCandidate = candidate; + if (typeArgumentsAreValid) { + candidateForArgumentError = instantiatedCandidate; + } + else { + candidateForTypeArgumentError = originalCandidate; + if (!typeArguments) { + resultOfFailedInference = inferenceContext; + } + } + } + else { + ts.Debug.assert(originalCandidate === candidate); + candidateForArgumentError = originalCandidate; + } + } + return undefined; + } + } + function resolveCallExpression(node, candidatesOutArray) { + if (node.expression.kind === 95 /* SuperKeyword */) { + var superType = checkSuperExpression(node.expression); + if (superType !== unknownType) { + // In super call, the candidate signatures are the matching arity signatures of the base constructor function instantiated + // with the type arguments specified in the extends clause. + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(ts.getContainingClass(node)); + var baseConstructors = getInstantiatedConstructorsForTypeArguments(superType, baseTypeNode.typeArguments); + return resolveCall(node, baseConstructors, candidatesOutArray); + } + return resolveUntypedCall(node); + } + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including call signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + var constructSignatures = getSignaturesOfType(apparentType, 1 /* Construct */); + // TS 1.0 spec: 4.12 + // If FuncExpr is of type Any, or of an object type that has no call or construct signatures + // but is a subtype of the Function interface, the call is an untyped function call. In an + // untyped function call no TypeArgs are permitted, Args can be any argument list, no contextual + // types are provided for the argument expressions, and the result is always of type Any. + // We exclude union types because we may have a union of function types that happen to have + // no common signatures. + if (isTypeAny(funcType) || (!callSignatures.length && !constructSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { + // The unknownType indicates that an error already occured (and was reported). No + // need to report another error in this case. + if (funcType !== unknownType && node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // If FuncExpr's apparent type(section 3.8.1) is a function type, the call is a typed function call. + // TypeScript employs overload resolution in typed function calls in order to support functions + // with multiple call signatures. + if (!callSignatures.length) { + if (constructSignatures.length) { + error(node, ts.Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new, typeToString(funcType)); + } + else { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + } + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + function resolveNewExpression(node, candidatesOutArray) { + if (node.arguments && languageVersion < 1 /* ES5 */) { + var spreadIndex = getSpreadArgumentIndex(node.arguments); + if (spreadIndex >= 0) { + error(node.arguments[spreadIndex], ts.Diagnostics.Spread_operator_in_new_expressions_is_only_available_when_targeting_ECMAScript_5_and_higher); + } + } + var expressionType = checkExpression(node.expression); + // If expressionType's apparent type(section 3.8.1) is an object type with one or + // more construct signatures, the expression is processed in the same manner as a + // function call, but using the construct signatures as the initial set of candidate + // signatures for overload resolution. The result type of the function call becomes + // the result type of the operation. + expressionType = getApparentType(expressionType); + if (expressionType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + // If the expression is a class of abstract type, then it cannot be instantiated. + // Note, only class declarations can be declared abstract. + // In the case of a merged class-module or class-interface declaration, + // only the class declaration node will have the Abstract flag set. + var valueDecl = expressionType.symbol && getClassLikeDeclarationOfSymbol(expressionType.symbol); + if (valueDecl && valueDecl.flags & 128 /* Abstract */) { + error(node, ts.Diagnostics.Cannot_create_an_instance_of_the_abstract_class_0, ts.declarationNameToString(valueDecl.name)); + return resolveErrorCall(node); + } + // TS 1.0 spec: 4.11 + // If expressionType is of type Any, Args can be any argument + // list and the result of the operation is of type Any. + if (isTypeAny(expressionType)) { + if (node.typeArguments) { + error(node, ts.Diagnostics.Untyped_function_calls_may_not_accept_type_arguments); + } + return resolveUntypedCall(node); + } + // Technically, this signatures list may be incomplete. We are taking the apparent type, + // but we are not including construct signatures that may have been added to the Object or + // Function interface, since they have none by default. This is a bit of a leap of faith + // that the user will not add any. + var constructSignatures = getSignaturesOfType(expressionType, 1 /* Construct */); + if (constructSignatures.length) { + return resolveCall(node, constructSignatures, candidatesOutArray); + } + // If expressionType's apparent type is an object type with no construct signatures but + // one or more call signatures, the expression is processed as a function call. A compile-time + // error occurs if the result of the function call is not Void. The type of the result of the + // operation is Any. + var callSignatures = getSignaturesOfType(expressionType, 0 /* Call */); + if (callSignatures.length) { + var signature = resolveCall(node, callSignatures, candidatesOutArray); + if (getReturnTypeOfSignature(signature) !== voidType) { + error(node, ts.Diagnostics.Only_a_void_function_can_be_called_with_the_new_keyword); + } + return signature; + } + error(node, ts.Diagnostics.Cannot_use_new_with_an_expression_whose_type_lacks_a_call_or_construct_signature); + return resolveErrorCall(node); + } + function resolveTaggedTemplateExpression(node, candidatesOutArray) { + var tagType = checkExpression(node.tag); + var apparentType = getApparentType(tagType); + if (apparentType === unknownType) { + // Another error has already been reported + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + if (isTypeAny(tagType) || (!callSignatures.length && !(tagType.flags & 16384 /* Union */) && isTypeAssignableTo(tagType, globalFunctionType))) { + return resolveUntypedCall(node); + } + if (!callSignatures.length) { + error(node, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray); + } + /** + * Gets the localized diagnostic head message to use for errors when resolving a decorator as a call expression. + */ + function getDiagnosticHeadMessageForDecoratorResolution(node) { + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + return ts.Diagnostics.Unable_to_resolve_signature_of_class_decorator_when_called_as_an_expression; + case 139 /* Parameter */: + return ts.Diagnostics.Unable_to_resolve_signature_of_parameter_decorator_when_called_as_an_expression; + case 142 /* PropertyDeclaration */: + return ts.Diagnostics.Unable_to_resolve_signature_of_property_decorator_when_called_as_an_expression; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return ts.Diagnostics.Unable_to_resolve_signature_of_method_decorator_when_called_as_an_expression; + } + } + /** + * Resolves a decorator as if it were a call expression. + */ + function resolveDecorator(node, candidatesOutArray) { + var funcType = checkExpression(node.expression); + var apparentType = getApparentType(funcType); + if (apparentType === unknownType) { + return resolveErrorCall(node); + } + var callSignatures = getSignaturesOfType(apparentType, 0 /* Call */); + if (funcType === anyType || (!callSignatures.length && !(funcType.flags & 16384 /* Union */) && isTypeAssignableTo(funcType, globalFunctionType))) { + return resolveUntypedCall(node); + } + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + if (!callSignatures.length) { + var errorInfo = void 0; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Cannot_invoke_an_expression_whose_type_lacks_a_call_signature); + errorInfo = ts.chainDiagnosticMessages(errorInfo, headMessage); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(node, errorInfo)); + return resolveErrorCall(node); + } + return resolveCall(node, callSignatures, candidatesOutArray, headMessage); + } + // candidatesOutArray is passed by signature help in the language service, and collectCandidates + // must fill it up with the appropriate candidate signatures + function getResolvedSignature(node, candidatesOutArray) { + var links = getNodeLinks(node); + // If getResolvedSignature has already been called, we will have cached the resolvedSignature. + // However, it is possible that either candidatesOutArray was not passed in the first time, + // or that a different candidatesOutArray was passed in. Therefore, we need to redo the work + // to correctly fill the candidatesOutArray. + if (!links.resolvedSignature || candidatesOutArray) { + links.resolvedSignature = anySignature; + if (node.kind === 171 /* CallExpression */) { + links.resolvedSignature = resolveCallExpression(node, candidatesOutArray); + } + else if (node.kind === 172 /* NewExpression */) { + links.resolvedSignature = resolveNewExpression(node, candidatesOutArray); + } + else if (node.kind === 173 /* TaggedTemplateExpression */) { + links.resolvedSignature = resolveTaggedTemplateExpression(node, candidatesOutArray); + } + else if (node.kind === 140 /* Decorator */) { + links.resolvedSignature = resolveDecorator(node, candidatesOutArray); + } + else { + ts.Debug.fail("Branch in 'getResolvedSignature' should be unreachable."); + } + } + return links.resolvedSignature; + } + function getInferredClassType(symbol) { + var links = getSymbolLinks(symbol); + if (!links.inferredClassType) { + links.inferredClassType = createAnonymousType(undefined, symbol.members, emptyArray, emptyArray, /*stringIndexType*/ undefined, /*numberIndexType*/ undefined); + } + return links.inferredClassType; + } + /** + * Syntactically and semantically checks a call or new expression. + * @param node The call/new expression to be checked. + * @returns On success, the expression's signature's return type. On failure, anyType. + */ + function checkCallExpression(node) { + // Grammar checking; stop grammar-checking if checkGrammarTypeArguments return true + checkGrammarTypeArguments(node, node.typeArguments) || checkGrammarArguments(node, node.arguments); + var signature = getResolvedSignature(node); + if (node.expression.kind === 95 /* SuperKeyword */) { + return voidType; + } + if (node.kind === 172 /* NewExpression */) { + var declaration = signature.declaration; + if (declaration && + declaration.kind !== 145 /* Constructor */ && + declaration.kind !== 149 /* ConstructSignature */ && + declaration.kind !== 154 /* ConstructorType */ && + !ts.isJSDocConstructSignature(declaration)) { + // When resolved signature is a call signature (and not a construct signature) the result type is any, unless + // the declaring function had members created through 'x.prototype.y = expr' or 'this.y = expr' psuedodeclarations + // in a JS file + var funcSymbol = checkExpression(node.expression).symbol; + if (funcSymbol && funcSymbol.members && (funcSymbol.flags & 16 /* Function */)) { + return getInferredClassType(funcSymbol); + } + else if (compilerOptions.noImplicitAny) { + error(node, ts.Diagnostics.new_expression_whose_target_lacks_a_construct_signature_implicitly_has_an_any_type); + } + return anyType; + } + } + // In JavaScript files, calls to any identifier 'require' are treated as external module imports + if (ts.isInJavaScriptFile(node) && ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + return resolveExternalModuleTypeByLiteral(node.arguments[0]); + } + return getReturnTypeOfSignature(signature); + } + function checkTaggedTemplateExpression(node) { + return getReturnTypeOfSignature(getResolvedSignature(node)); + } + function checkAssertion(node) { + var exprType = getRegularTypeOfObjectLiteral(checkExpression(node.expression)); + var targetType = getTypeFromTypeNode(node.type); + if (produceDiagnostics && targetType !== unknownType) { + var widenedType = getWidenedType(exprType); + // Permit 'number[] | "foo"' to be asserted to 'string'. + var bothAreStringLike = someConstituentTypeHasKind(targetType, 258 /* StringLike */) && + someConstituentTypeHasKind(widenedType, 258 /* StringLike */); + if (!bothAreStringLike && !(isTypeAssignableTo(targetType, widenedType))) { + checkTypeAssignableTo(exprType, targetType, node, ts.Diagnostics.Neither_type_0_nor_type_1_is_assignable_to_the_other); + } + } + return targetType; + } + function getTypeAtPosition(signature, pos) { + return signature.hasRestParameter ? + pos < signature.parameters.length - 1 ? getTypeOfSymbol(signature.parameters[pos]) : getRestTypeOfSignature(signature) : + pos < signature.parameters.length ? getTypeOfSymbol(signature.parameters[pos]) : anyType; + } + function assignContextualParameterTypes(signature, context, mapper) { + var len = signature.parameters.length - (signature.hasRestParameter ? 1 : 0); + for (var i = 0; i < len; i++) { + var parameter = signature.parameters[i]; + var contextualParameterType = getTypeAtPosition(context, i); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + if (signature.hasRestParameter && isRestParameterIndex(context, signature.parameters.length - 1)) { + var parameter = ts.lastOrUndefined(signature.parameters); + var contextualParameterType = getTypeOfSymbol(ts.lastOrUndefined(context.parameters)); + assignTypeToParameterAndFixTypeParameters(parameter, contextualParameterType, mapper); + } + } + // When contextual typing assigns a type to a parameter that contains a binding pattern, we also need to push + // the destructured type into the contained binding elements. + function assignBindingElementTypes(node) { + if (ts.isBindingPattern(node.name)) { + for (var _i = 0, _a = node.name.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + if (element.name.kind === 69 /* Identifier */) { + getSymbolLinks(getSymbolOfNode(element)).type = getTypeForBindingElement(element); + } + assignBindingElementTypes(element); + } + } + } + } + function assignTypeToParameterAndFixTypeParameters(parameter, contextualType, mapper) { + var links = getSymbolLinks(parameter); + if (!links.type) { + links.type = instantiateType(contextualType, mapper); + assignBindingElementTypes(parameter.valueDeclaration); + } + else if (isInferentialContext(mapper)) { + // Even if the parameter already has a type, it might be because it was given a type while + // processing the function as an argument to a prior signature during overload resolution. + // If this was the case, it may have caused some type parameters to be fixed. So here, + // we need to ensure that type parameters at the same positions get fixed again. This is + // done by calling instantiateType to attach the mapper to the contextualType, and then + // calling inferTypes to force a walk of contextualType so that all the correct fixing + // happens. The choice to pass in links.type may seem kind of arbitrary, but it serves + // to make sure that all the correct positions in contextualType are reached by the walk. + // Here is an example: + // + // interface Base { + // baseProp; + // } + // interface Derived extends Base { + // toBase(): Base; + // } + // + // var derived: Derived; + // + // declare function foo(x: T, func: (p: T) => T): T; + // declare function foo(x: T, func: (p: T) => T): T; + // + // var result = foo(derived, d => d.toBase()); + // + // We are typing d while checking the second overload. But we've already given d + // a type (Derived) from the first overload. However, we still want to fix the + // T in the second overload so that we do not infer Base as a candidate for T + // (inferring Base would make type argument inference inconsistent between the two + // overloads). + inferTypes(mapper.context, links.type, instantiateType(contextualType, mapper)); + } + } + function getReturnTypeFromJSDocComment(func) { + var returnTag = ts.getJSDocReturnTag(func); + if (returnTag && returnTag.typeExpression) { + return getTypeFromTypeNode(returnTag.typeExpression.type); + } + return undefined; + } + function createPromiseType(promisedType) { + // creates a `Promise` type where `T` is the promisedType argument + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType !== emptyGenericType) { + // if the promised type is itself a promise, get the underlying type; otherwise, fallback to the promised type + promisedType = getAwaitedType(promisedType); + return createTypeReference(globalPromiseType, [promisedType]); + } + return emptyObjectType; + } + function getReturnTypeFromBody(func, contextualMapper) { + var contextualSignature = getContextualSignatureForFunctionLikeDeclaration(func); + if (!func.body) { + return unknownType; + } + var isAsync = ts.isAsyncFunctionLike(func); + var type; + if (func.body.kind !== 195 /* Block */) { + type = checkExpressionCached(func.body, contextualMapper); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which we will wrap in + // the native Promise type later in this function. + type = checkAwaitedType(type, func, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + } + else { + var types = void 0; + var funcIsGenerator = !!func.asteriskToken; + if (funcIsGenerator) { + types = checkAndAggregateYieldOperandTypes(func.body, contextualMapper); + if (types.length === 0) { + var iterableIteratorAny = createIterableIteratorType(anyType); + if (compilerOptions.noImplicitAny) { + error(func.asteriskToken, ts.Diagnostics.Generator_implicitly_has_type_0_because_it_does_not_yield_any_values_Consider_supplying_a_return_type, typeToString(iterableIteratorAny)); + } + return iterableIteratorAny; + } + } + else { + types = checkAndAggregateReturnExpressionTypes(func.body, contextualMapper, isAsync); + if (types.length === 0) { + if (isAsync) { + // For an async function, the return type will not be void, but rather a Promise for void. + var promiseType = createPromiseType(voidType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return voidType; + } + } + } + // When yield/return statements are contextually typed we allow the return type to be a union type. + // Otherwise we require the yield/return expressions to have a best common supertype. + type = contextualSignature ? getUnionType(types) : getCommonSupertype(types); + if (!type) { + if (funcIsGenerator) { + error(func, ts.Diagnostics.No_best_common_type_exists_among_yield_expressions); + return createIterableIteratorType(unknownType); + } + else { + error(func, ts.Diagnostics.No_best_common_type_exists_among_return_expressions); + // Defer to unioning the return types so we get a) downstream errors earlier and b) better Salsa experience + return getUnionType(types); + } + } + if (funcIsGenerator) { + type = createIterableIteratorType(type); + } + } + if (!contextualSignature) { + reportErrorsFromWidening(func, type); + } + var widenedType = getWidenedType(type); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body is awaited type of the body, wrapped in a native Promise type. + var promiseType = createPromiseType(widenedType); + if (promiseType === emptyObjectType) { + error(func, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + return unknownType; + } + return promiseType; + } + else { + return widenedType; + } + } + function checkAndAggregateYieldOperandTypes(body, contextualMapper) { + var aggregatedTypes = []; + ts.forEachYieldExpression(body, function (yieldExpression) { + var expr = yieldExpression.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (yieldExpression.asteriskToken) { + // A yield* expression effectively yields everything that its operand yields + type = checkElementTypeOfIterable(type, yieldExpression.expression); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + function checkAndAggregateReturnExpressionTypes(body, contextualMapper, isAsync) { + var aggregatedTypes = []; + ts.forEachReturnStatement(body, function (returnStatement) { + var expr = returnStatement.expression; + if (expr) { + var type = checkExpressionCached(expr, contextualMapper); + if (isAsync) { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so the + // return type of the body should be unwrapped to its awaited type, which should be wrapped in + // the native Promise type by the caller. + type = checkAwaitedType(type, body.parent, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + } + if (!ts.contains(aggregatedTypes, type)) { + aggregatedTypes.push(type); + } + } + }); + return aggregatedTypes; + } + /** + * TypeScript Specification 1.0 (6.3) - July 2014 + * An explicitly typed function whose return type isn't the Void type, + * the Any type, or a union type containing the Void or Any type as a constituent + * must have at least one return statement somewhere in its body. + * An exception to this rule is if the function implementation consists of a single 'throw' statement. + * + * @param returnType - return type of the function, can be undefined if return type is not explicitly specified + */ + function checkAllCodePathsInNonVoidFunctionReturnOrThrow(func, returnType) { + if (!produceDiagnostics) { + return; + } + // Functions with with an explicitly specified 'void' or 'any' return type don't need any return expressions. + if (returnType === voidType || isTypeAny(returnType) || (returnType && (returnType.flags & 16384 /* Union */) && someConstituentTypeHasKind(returnType, 1 /* Any */ | 16 /* Void */))) { + return; + } + // If all we have is a function signature, or an arrow function with an expression body, then there is nothing to check. + // also if HasImplicitReturn flag is not set this means that all codepaths in function body end with return or throw + if (ts.nodeIsMissing(func.body) || func.body.kind !== 195 /* Block */ || !(func.flags & 524288 /* HasImplicitReturn */)) { + return; + } + var hasExplicitReturn = func.flags & 1048576 /* HasExplicitReturn */; + if (returnType && !hasExplicitReturn) { + // minimal check: function has syntactic return type annotation and no explicit return statements in the body + // this function does not conform to the specification. + // NOTE: having returnType !== undefined is a precondition for entering this branch so func.type will always be present + error(func.type, ts.Diagnostics.A_function_whose_declared_type_is_neither_void_nor_any_must_return_a_value); + } + else if (compilerOptions.noImplicitReturns) { + if (!returnType) { + // If return type annotation is omitted check if function has any explicit return statements. + // If it does not have any - its inferred return type is void - don't do any checks. + // Otherwise get inferred return type from function body and report error only if it is not void / anytype + var inferredReturnType = hasExplicitReturn + ? getReturnTypeOfSignature(getSignatureFromDeclaration(func)) + : voidType; + if (inferredReturnType === voidType || isTypeAny(inferredReturnType)) { + return; + } + } + error(func.type || func, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + function checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + // Grammar checking + var hasGrammarError = checkGrammarFunctionLikeDeclaration(node); + if (!hasGrammarError && node.kind === 176 /* FunctionExpression */) { + checkGrammarForGenerator(node); + } + // The identityMapper object is used to indicate that function expressions are wildcards + if (contextualMapper === identityMapper && isContextSensitive(node)) { + return anyFunctionType; + } + var links = getNodeLinks(node); + var type = getTypeOfSymbol(node.symbol); + var contextSensitive = isContextSensitive(node); + var mightFixTypeParameters = contextSensitive && isInferentialContext(contextualMapper); + // Check if function expression is contextually typed and assign parameter types if so. + // See the comment in assignTypeToParameterAndFixTypeParameters to understand why we need to + // check mightFixTypeParameters. + if (mightFixTypeParameters || !(links.flags & 1024 /* ContextChecked */)) { + var contextualSignature = getContextualSignature(node); + // If a type check is started at a function expression that is an argument of a function call, obtaining the + // contextual type may recursively get back to here during overload resolution of the call. If so, we will have + // already assigned contextual types. + var contextChecked = !!(links.flags & 1024 /* ContextChecked */); + if (mightFixTypeParameters || !contextChecked) { + links.flags |= 1024 /* ContextChecked */; + if (contextualSignature) { + var signature = getSignaturesOfType(type, 0 /* Call */)[0]; + if (contextSensitive) { + assignContextualParameterTypes(signature, contextualSignature, contextualMapper || identityMapper); + } + if (mightFixTypeParameters || !node.type && !signature.resolvedReturnType) { + var returnType = getReturnTypeFromBody(node, contextualMapper); + if (!signature.resolvedReturnType) { + signature.resolvedReturnType = returnType; + } + } + } + if (!contextChecked) { + checkSignatureDeclaration(node); + checkNodeDeferred(node); + } + } + } + if (produceDiagnostics && node.kind !== 144 /* MethodDeclaration */ && node.kind !== 143 /* MethodSignature */) { + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + } + return type; + } + function checkFunctionExpressionOrObjectLiteralMethodDeferred(node) { + ts.Debug.assert(node.kind !== 144 /* MethodDeclaration */ || ts.isObjectLiteralMethod(node)); + var isAsync = ts.isAsyncFunctionLike(node); + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + if (!node.asteriskToken) { + // return is not necessary in the body of generators + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (node.body) { + if (!node.type) { + // There are some checks that are only performed in getReturnTypeFromBody, that may produce errors + // we need. An example is the noImplicitAny errors resulting from widening the return expression + // of a function. Because checking of function expression bodies is deferred, there was never an + // appropriate time to do this during the main walk of the file (see the comment at the top of + // checkFunctionExpressionBodies). So it must be done now. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + if (node.body.kind === 195 /* Block */) { + checkSourceElement(node.body); + } + else { + // From within an async function you can return either a non-promise value or a promise. Any + // Promise/A+ compatible implementation will always assimilate any foreign promise, so we + // should not be checking assignability of a promise to the return type. Instead, we need to + // check assignability of the awaited type of the expression body against the promised type of + // its return type annotation. + var exprType = checkExpression(node.body); + if (returnOrPromisedType) { + if (isAsync) { + var awaitedType = checkAwaitedType(exprType, node.body, ts.Diagnostics.Expression_body_for_async_arrow_function_does_not_have_a_valid_callable_then_member); + checkTypeAssignableTo(awaitedType, returnOrPromisedType, node.body); + } + else { + checkTypeAssignableTo(exprType, returnOrPromisedType, node.body); + } + } + } + } + } + function checkArithmeticOperandType(operand, type, diagnostic) { + if (!isTypeAnyOrAllConstituentTypesHaveKind(type, 132 /* NumberLike */)) { + error(operand, diagnostic); + return false; + } + return true; + } + function checkReferenceExpression(n, invalidReferenceMessage, constantVariableMessage) { + function findSymbol(n) { + var symbol = getNodeLinks(n).resolvedSymbol; + // Because we got the symbol from the resolvedSymbol property, it might be of kind + // SymbolFlags.ExportValue. In this case it is necessary to get the actual export + // symbol, which will have the correct flags set on it. + return symbol && getExportSymbolOfValueSymbolIfExported(symbol); + } + function isReferenceOrErrorExpression(n) { + // TypeScript 1.0 spec (April 2014): + // Expressions are classified as values or references. + // References are the subset of expressions that are permitted as the target of an assignment. + // Specifically, references are combinations of identifiers(section 4.3), parentheses(section 4.7), + // and property accesses(section 4.10). + // All other expression constructs described in this chapter are classified as values. + switch (n.kind) { + case 69 /* Identifier */: { + var symbol = findSymbol(n); + // TypeScript 1.0 spec (April 2014): 4.3 + // An identifier expression that references a variable or parameter is classified as a reference. + // An identifier expression that references any other kind of entity is classified as a value(and therefore cannot be the target of an assignment). + return !symbol || symbol === unknownSymbol || symbol === argumentsSymbol || (symbol.flags & 3 /* Variable */) !== 0; + } + case 169 /* PropertyAccessExpression */: { + var symbol = findSymbol(n); + // TypeScript 1.0 spec (April 2014): 4.10 + // A property access expression is always classified as a reference. + // NOTE (not in spec): assignment to enum members should not be allowed + return !symbol || symbol === unknownSymbol || (symbol.flags & ~8 /* EnumMember */) !== 0; + } + case 170 /* ElementAccessExpression */: + // old compiler doesn't check indexed access + return true; + case 175 /* ParenthesizedExpression */: + return isReferenceOrErrorExpression(n.expression); + default: + return false; + } + } + function isConstVariableReference(n) { + switch (n.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: { + var symbol = findSymbol(n); + return symbol && (symbol.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(symbol) & 16384 /* Const */) !== 0; + } + case 170 /* ElementAccessExpression */: { + var index = n.argumentExpression; + var symbol = findSymbol(n.expression); + if (symbol && index && index.kind === 9 /* StringLiteral */) { + var name_12 = index.text; + var prop = getPropertyOfType(getTypeOfSymbol(symbol), name_12); + return prop && (prop.flags & 3 /* Variable */) !== 0 && (getDeclarationFlagsFromSymbol(prop) & 16384 /* Const */) !== 0; + } + return false; + } + case 175 /* ParenthesizedExpression */: + return isConstVariableReference(n.expression); + default: + return false; + } + } + if (!isReferenceOrErrorExpression(n)) { + error(n, invalidReferenceMessage); + return false; + } + if (isConstVariableReference(n)) { + error(n, constantVariableMessage); + return false; + } + return true; + } + function checkDeleteExpression(node) { + checkExpression(node.expression); + return booleanType; + } + function checkTypeOfExpression(node) { + checkExpression(node.expression); + return stringType; + } + function checkVoidExpression(node) { + checkExpression(node.expression); + return undefinedType; + } + function checkAwaitExpression(node) { + // Grammar checking + if (produceDiagnostics) { + if (!(node.parserContextFlags & 8 /* Await */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.await_expression_is_only_allowed_within_an_async_function); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.await_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + var operandType = checkExpression(node.expression); + return checkAwaitedType(operandType, node); + } + function checkPrefixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + switch (node.operator) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + if (someConstituentTypeHasKind(operandType, 16777216 /* ESSymbol */)) { + error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator)); + } + return numberType; + case 49 /* ExclamationToken */: + return booleanType; + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + return unknownType; + } + function checkPostfixUnaryExpression(node) { + var operandType = checkExpression(node.operand); + var ok = checkArithmeticOperandType(node.operand, operandType, ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_or_an_enum_type); + if (ok) { + // run check only if former checks succeeded to avoid reporting cascading errors + checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_property_or_indexer, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_cannot_be_a_constant); + } + return numberType; + } + // Just like isTypeOfKind below, except that it returns true if *any* constituent + // has this kind. + function someConstituentTypeHasKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152 /* UnionOrIntersection */) { + var types = type.types; + for (var _i = 0, types_10 = types; _i < types_10.length; _i++) { + var current = types_10[_i]; + if (current.flags & kind) { + return true; + } + } + return false; + } + return false; + } + // Return true if type has the given flags, or is a union or intersection type composed of types that all have those flags. + function allConstituentTypesHaveKind(type, kind) { + if (type.flags & kind) { + return true; + } + if (type.flags & 49152 /* UnionOrIntersection */) { + var types = type.types; + for (var _i = 0, types_11 = types; _i < types_11.length; _i++) { + var current = types_11[_i]; + if (!(current.flags & kind)) { + return false; + } + } + return true; + } + return false; + } + function isConstEnumObjectType(type) { + return type.flags & (80896 /* ObjectType */ | 65536 /* Anonymous */) && type.symbol && isConstEnumSymbol(type.symbol); + } + function isConstEnumSymbol(symbol) { + return (symbol.flags & 128 /* ConstEnum */) !== 0; + } + function checkInstanceOfExpression(left, right, leftType, rightType) { + // TypeScript 1.0 spec (April 2014): 4.15.4 + // The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, + // and the right operand to be of type Any or a subtype of the 'Function' interface type. + // The result is always of the Boolean primitive type. + // NOTE: do not raise error if leftType is unknown as related error was already reported + if (allConstituentTypesHaveKind(leftType, 16777726 /* Primitive */)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_instanceof_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + // NOTE: do not raise error if right is unknown as related error was already reported + if (!(isTypeAny(rightType) || isTypeSubtypeOf(rightType, globalFunctionType))) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_instanceof_expression_must_be_of_type_any_or_of_a_type_assignable_to_the_Function_interface_type); + } + return booleanType; + } + function checkInExpression(left, right, leftType, rightType) { + // TypeScript 1.0 spec (April 2014): 4.15.5 + // The in operator requires the left operand to be of type Any, the String primitive type, or the Number primitive type, + // and the right operand to be of type Any, an object type, or a type parameter type. + // The result is always of the Boolean primitive type. + if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */ | 132 /* NumberLike */ | 16777216 /* ESSymbol */)) { + error(left, ts.Diagnostics.The_left_hand_side_of_an_in_expression_must_be_of_type_any_string_number_or_symbol); + } + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { + error(right, ts.Diagnostics.The_right_hand_side_of_an_in_expression_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + return booleanType; + } + function checkObjectLiteralAssignment(node, sourceType, contextualMapper) { + var properties = node.properties; + for (var _i = 0, properties_3 = properties; _i < properties_3.length; _i++) { + var p = properties_3[_i]; + if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { + var name_13 = p.name; + if (name_13.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(name_13); + } + if (isComputedNonLiteralName(name_13)) { + continue; + } + var text = getTextOfPropertyName(name_13); + var type = isTypeAny(sourceType) + ? sourceType + : getTypeOfPropertyOfType(sourceType, text) || + isNumericLiteralName(text) && getIndexTypeOfType(sourceType, 1 /* Number */) || + getIndexTypeOfType(sourceType, 0 /* String */); + if (type) { + if (p.kind === 249 /* ShorthandPropertyAssignment */) { + checkDestructuringAssignment(p, type); + } + else { + // non-shorthand property assignments should always have initializers + checkDestructuringAssignment(p.initializer, type); + } + } + else { + error(name_13, ts.Diagnostics.Type_0_has_no_property_1_and_no_string_index_signature, typeToString(sourceType), ts.declarationNameToString(name_13)); + } + } + else { + error(p, ts.Diagnostics.Property_assignment_expected); + } + } + return sourceType; + } + function checkArrayLiteralAssignment(node, sourceType, contextualMapper) { + // This elementType will be used if the specific property corresponding to this index is not + // present (aka the tuple element property). This call also checks that the parentType is in + // fact an iterable or array (depending on target language). + var elementType = checkIteratedTypeOrElementType(sourceType, node, /*allowStringInput*/ false) || unknownType; + var elements = node.elements; + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190 /* OmittedExpression */) { + if (e.kind !== 188 /* SpreadElementExpression */) { + var propName = "" + i; + var type = isTypeAny(sourceType) + ? sourceType + : isTupleLikeType(sourceType) + ? getTypeOfPropertyOfType(sourceType, propName) + : elementType; + if (type) { + checkDestructuringAssignment(e, type, contextualMapper); + } + else { + if (isTupleType(sourceType)) { + error(e, ts.Diagnostics.Tuple_type_0_with_length_1_cannot_be_assigned_to_tuple_with_length_2, typeToString(sourceType), sourceType.elementTypes.length, elements.length); + } + else { + error(e, ts.Diagnostics.Type_0_has_no_property_1, typeToString(sourceType), propName); + } + } + } + else { + if (i < elements.length - 1) { + error(e, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + else { + var restExpression = e.expression; + if (restExpression.kind === 184 /* BinaryExpression */ && restExpression.operatorToken.kind === 56 /* EqualsToken */) { + error(restExpression.operatorToken, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + else { + checkDestructuringAssignment(restExpression, createArrayType(elementType), contextualMapper); + } + } + } + } + } + return sourceType; + } + function checkDestructuringAssignment(exprOrAssignment, sourceType, contextualMapper) { + var target; + if (exprOrAssignment.kind === 249 /* ShorthandPropertyAssignment */) { + var prop = exprOrAssignment; + if (prop.objectAssignmentInitializer) { + checkBinaryLikeExpression(prop.name, prop.equalsToken, prop.objectAssignmentInitializer, contextualMapper); + } + target = exprOrAssignment.name; + } + else { + target = exprOrAssignment; + } + if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { + checkBinaryExpression(target, contextualMapper); + target = target.left; + } + if (target.kind === 168 /* ObjectLiteralExpression */) { + return checkObjectLiteralAssignment(target, sourceType, contextualMapper); + } + if (target.kind === 167 /* ArrayLiteralExpression */) { + return checkArrayLiteralAssignment(target, sourceType, contextualMapper); + } + return checkReferenceAssignment(target, sourceType, contextualMapper); + } + function checkReferenceAssignment(target, sourceType, contextualMapper) { + var targetType = checkExpression(target, contextualMapper); + if (checkReferenceExpression(target, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant)) { + checkTypeAssignableTo(sourceType, targetType, target, /*headMessage*/ undefined); + } + return sourceType; + } + function checkBinaryExpression(node, contextualMapper) { + return checkBinaryLikeExpression(node.left, node.operatorToken, node.right, contextualMapper, node); + } + function checkBinaryLikeExpression(left, operatorToken, right, contextualMapper, errorNode) { + var operator = operatorToken.kind; + if (operator === 56 /* EqualsToken */ && (left.kind === 168 /* ObjectLiteralExpression */ || left.kind === 167 /* ArrayLiteralExpression */)) { + return checkDestructuringAssignment(left, checkExpression(right, contextualMapper), contextualMapper); + } + var leftType = checkExpression(left, contextualMapper); + var rightType = checkExpression(right, contextualMapper); + switch (operator) { + case 37 /* AsteriskToken */: + case 38 /* AsteriskAsteriskToken */: + case 59 /* AsteriskEqualsToken */: + case 60 /* AsteriskAsteriskEqualsToken */: + case 39 /* SlashToken */: + case 61 /* SlashEqualsToken */: + case 40 /* PercentToken */: + case 62 /* PercentEqualsToken */: + case 36 /* MinusToken */: + case 58 /* MinusEqualsToken */: + case 43 /* LessThanLessThanToken */: + case 63 /* LessThanLessThanEqualsToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 47 /* BarToken */: + case 67 /* BarEqualsToken */: + case 48 /* CaretToken */: + case 68 /* CaretEqualsToken */: + case 46 /* AmpersandToken */: + case 66 /* AmpersandEqualsToken */: + // TypeScript 1.0 spec (April 2014): 4.19.1 + // These operators require their operands to be of type Any, the Number primitive type, + // or an enum type. Operands of an enum type are treated + // as having the primitive type Number. If one operand is the null or undefined value, + // it is treated as having the type of the other operand. + // The result is always of the Number primitive type. + if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) + leftType = rightType; + if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) + rightType = leftType; + var suggestedOperator = void 0; + // if a user tries to apply a bitwise operator to 2 boolean operands + // try and return them a helpful suggestion + if ((leftType.flags & 8 /* Boolean */) && + (rightType.flags & 8 /* Boolean */) && + (suggestedOperator = getSuggestedBooleanOperator(operatorToken.kind)) !== undefined) { + error(errorNode || operatorToken, ts.Diagnostics.The_0_operator_is_not_allowed_for_boolean_types_Consider_using_1_instead, ts.tokenToString(operatorToken.kind), ts.tokenToString(suggestedOperator)); + } + else { + // otherwise just check each operand separately and report errors as normal + var leftOk = checkArithmeticOperandType(left, leftType, ts.Diagnostics.The_left_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + var rightOk = checkArithmeticOperandType(right, rightType, ts.Diagnostics.The_right_hand_side_of_an_arithmetic_operation_must_be_of_type_any_number_or_an_enum_type); + if (leftOk && rightOk) { + checkAssignmentOperator(numberType); + } + } + return numberType; + case 35 /* PlusToken */: + case 57 /* PlusEqualsToken */: + // TypeScript 1.0 spec (April 2014): 4.19.2 + // The binary + operator requires both operands to be of the Number primitive type or an enum type, + // or at least one of the operands to be of type Any or the String primitive type. + // If one operand is the null or undefined value, it is treated as having the type of the other operand. + if (leftType.flags & (32 /* Undefined */ | 64 /* Null */)) + leftType = rightType; + if (rightType.flags & (32 /* Undefined */ | 64 /* Null */)) + rightType = leftType; + var resultType = void 0; + if (allConstituentTypesHaveKind(leftType, 132 /* NumberLike */) && allConstituentTypesHaveKind(rightType, 132 /* NumberLike */)) { + // Operands of an enum type are treated as having the primitive type Number. + // If both operands are of the Number primitive type, the result is of the Number primitive type. + resultType = numberType; + } + else { + if (allConstituentTypesHaveKind(leftType, 258 /* StringLike */) || allConstituentTypesHaveKind(rightType, 258 /* StringLike */)) { + // If one or both operands are of the String primitive type, the result is of the String primitive type. + resultType = stringType; + } + else if (isTypeAny(leftType) || isTypeAny(rightType)) { + // Otherwise, the result is of type Any. + // NOTE: unknown type here denotes error type. Old compiler treated this case as any type so do we. + resultType = leftType === unknownType || rightType === unknownType ? unknownType : anyType; + } + // Symbols are not allowed at all in arithmetic expressions + if (resultType && !checkForDisallowedESSymbolOperand(operator)) { + return resultType; + } + } + if (!resultType) { + reportOperatorError(); + return anyType; + } + if (operator === 57 /* PlusEqualsToken */) { + checkAssignmentOperator(resultType); + } + return resultType; + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + if (!checkForDisallowedESSymbolOperand(operator)) { + return booleanType; + } + // Fall through + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + // Permit 'number[] | "foo"' to be asserted to 'string'. + if (someConstituentTypeHasKind(leftType, 258 /* StringLike */) && someConstituentTypeHasKind(rightType, 258 /* StringLike */)) { + return booleanType; + } + if (!isTypeAssignableTo(leftType, rightType) && !isTypeAssignableTo(rightType, leftType)) { + reportOperatorError(); + } + return booleanType; + case 91 /* InstanceOfKeyword */: + return checkInstanceOfExpression(left, right, leftType, rightType); + case 90 /* InKeyword */: + return checkInExpression(left, right, leftType, rightType); + case 51 /* AmpersandAmpersandToken */: + return rightType; + case 52 /* BarBarToken */: + return getUnionType([leftType, rightType]); + case 56 /* EqualsToken */: + checkAssignmentOperator(rightType); + return getRegularTypeOfObjectLiteral(rightType); + case 24 /* CommaToken */: + return rightType; + } + // Return true if there was no error, false if there was an error. + function checkForDisallowedESSymbolOperand(operator) { + var offendingSymbolOperand = someConstituentTypeHasKind(leftType, 16777216 /* ESSymbol */) ? left : + someConstituentTypeHasKind(rightType, 16777216 /* ESSymbol */) ? right : + undefined; + if (offendingSymbolOperand) { + error(offendingSymbolOperand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(operator)); + return false; + } + return true; + } + function getSuggestedBooleanOperator(operator) { + switch (operator) { + case 47 /* BarToken */: + case 67 /* BarEqualsToken */: + return 52 /* BarBarToken */; + case 48 /* CaretToken */: + case 68 /* CaretEqualsToken */: + return 33 /* ExclamationEqualsEqualsToken */; + case 46 /* AmpersandToken */: + case 66 /* AmpersandEqualsToken */: + return 51 /* AmpersandAmpersandToken */; + default: + return undefined; + } + } + function checkAssignmentOperator(valueType) { + if (produceDiagnostics && operator >= 56 /* FirstAssignment */ && operator <= 68 /* LastAssignment */) { + // TypeScript 1.0 spec (April 2014): 4.17 + // An assignment of the form + // VarExpr = ValueExpr + // requires VarExpr to be classified as a reference + // A compound assignment furthermore requires VarExpr to be classified as a reference (section 4.1) + // and the type of the non - compound operation to be assignable to the type of VarExpr. + var ok = checkReferenceExpression(left, ts.Diagnostics.Invalid_left_hand_side_of_assignment_expression, ts.Diagnostics.Left_hand_side_of_assignment_expression_cannot_be_a_constant); + // Use default messages + if (ok) { + // to avoid cascading errors check assignability only if 'isReference' check succeeded and no errors were reported + checkTypeAssignableTo(valueType, leftType, left, /*headMessage*/ undefined); + } + } + } + function reportOperatorError() { + error(errorNode || operatorToken, ts.Diagnostics.Operator_0_cannot_be_applied_to_types_1_and_2, ts.tokenToString(operatorToken.kind), typeToString(leftType), typeToString(rightType)); + } + } + function isYieldExpressionInClass(node) { + var current = node; + var parent = node.parent; + while (parent) { + if (ts.isFunctionLike(parent) && current === parent.body) { + return false; + } + else if (ts.isClassLike(current)) { + return true; + } + current = parent; + parent = parent.parent; + } + return false; + } + function checkYieldExpression(node) { + // Grammar checking + if (produceDiagnostics) { + if (!(node.parserContextFlags & 2 /* Yield */) || isYieldExpressionInClass(node)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_yield_expression_is_only_allowed_in_a_generator_body); + } + if (isInParameterInitializerBeforeContainingFunction(node)) { + error(node, ts.Diagnostics.yield_expressions_cannot_be_used_in_a_parameter_initializer); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + // If the user's code is syntactically correct, the func should always have a star. After all, + // we are in a yield context. + if (func && func.asteriskToken) { + var expressionType = checkExpressionCached(node.expression, /*contextualMapper*/ undefined); + var expressionElementType = void 0; + var nodeIsYieldStar = !!node.asteriskToken; + if (nodeIsYieldStar) { + expressionElementType = checkElementTypeOfIterable(expressionType, node.expression); + } + // There is no point in doing an assignability check if the function + // has no explicit return type because the return type is directly computed + // from the yield expressions. + if (func.type) { + var signatureElementType = getElementTypeOfIterableIterator(getTypeFromTypeNode(func.type)) || anyType; + if (nodeIsYieldStar) { + checkTypeAssignableTo(expressionElementType, signatureElementType, node.expression, /*headMessage*/ undefined); + } + else { + checkTypeAssignableTo(expressionType, signatureElementType, node.expression, /*headMessage*/ undefined); + } + } + } + } + // Both yield and yield* expressions have type 'any' + return anyType; + } + function checkConditionalExpression(node, contextualMapper) { + checkExpression(node.condition); + var type1 = checkExpression(node.whenTrue, contextualMapper); + var type2 = checkExpression(node.whenFalse, contextualMapper); + return getUnionType([type1, type2]); + } + function checkStringLiteralExpression(node) { + var contextualType = getContextualType(node); + if (contextualType && contextualTypeIsStringLiteralType(contextualType)) { + return getStringLiteralTypeForText(node.text); + } + return stringType; + } + function checkTemplateExpression(node) { + // We just want to check each expressions, but we are unconcerned with + // the type of each expression, as any value may be coerced into a string. + // It is worth asking whether this is what we really want though. + // A place where we actually *are* concerned with the expressions' types are + // in tagged templates. + ts.forEach(node.templateSpans, function (templateSpan) { + checkExpression(templateSpan.expression); + }); + return stringType; + } + function checkExpressionWithContextualType(node, contextualType, contextualMapper) { + var saveContextualType = node.contextualType; + node.contextualType = contextualType; + var result = checkExpression(node, contextualMapper); + node.contextualType = saveContextualType; + return result; + } + function checkExpressionCached(node, contextualMapper) { + var links = getNodeLinks(node); + if (!links.resolvedType) { + links.resolvedType = checkExpression(node, contextualMapper); + } + return links.resolvedType; + } + function checkPropertyAssignment(node, contextualMapper) { + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + return checkExpression(node.initializer, contextualMapper); + } + function checkObjectLiteralMethod(node, contextualMapper) { + // Grammar checking + checkGrammarMethod(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + var uninstantiatedType = checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + return instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + function instantiateTypeWithSingleGenericCallSignature(node, type, contextualMapper) { + if (isInferentialContext(contextualMapper)) { + var signature = getSingleCallSignature(type); + if (signature && signature.typeParameters) { + var contextualType = getApparentTypeOfContextualType(node); + if (contextualType) { + var contextualSignature = getSingleCallSignature(contextualType); + if (contextualSignature && !contextualSignature.typeParameters) { + return getOrCreateTypeFromSignature(instantiateSignatureInContextOf(signature, contextualSignature, contextualMapper)); + } + } + } + } + return type; + } + // Checks an expression and returns its type. The contextualMapper parameter serves two purposes: When + // contextualMapper is not undefined and not equal to the identityMapper function object it indicates that the + // expression is being inferentially typed (section 4.12.2 in spec) and provides the type mapper to use in + // conjunction with the generic contextual type. When contextualMapper is equal to the identityMapper function + // object, it serves as an indicator that all contained function and arrow expressions should be considered to + // have the wildcard function type; this form of type check is used during overload resolution to exclude + // contextually typed function and arrow expressions in the initial phase. + function checkExpression(node, contextualMapper) { + var type; + if (node.kind === 136 /* QualifiedName */) { + type = checkQualifiedName(node); + } + else { + var uninstantiatedType = checkExpressionWorker(node, contextualMapper); + type = instantiateTypeWithSingleGenericCallSignature(node, uninstantiatedType, contextualMapper); + } + if (isConstEnumObjectType(type)) { + // enum object type for const enums are only permitted in: + // - 'left' in property access + // - 'object' in indexed access + // - target in rhs of import statement + var ok = (node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.expression === node) || + (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.expression === node) || + ((node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */) && isInRightSideOfImportOrExportAssignment(node)); + if (!ok) { + error(node, ts.Diagnostics.const_enums_can_only_be_used_in_property_or_index_access_expressions_or_the_right_hand_side_of_an_import_declaration_or_export_assignment); + } + } + return type; + } + function checkNumericLiteral(node) { + // Grammar checking + checkGrammarNumericLiteral(node); + return numberType; + } + function checkExpressionWorker(node, contextualMapper) { + switch (node.kind) { + case 69 /* Identifier */: + return checkIdentifier(node); + case 97 /* ThisKeyword */: + return checkThisExpression(node); + case 95 /* SuperKeyword */: + return checkSuperExpression(node); + case 93 /* NullKeyword */: + return nullType; + case 99 /* TrueKeyword */: + case 84 /* FalseKeyword */: + return booleanType; + case 8 /* NumericLiteral */: + return checkNumericLiteral(node); + case 186 /* TemplateExpression */: + return checkTemplateExpression(node); + case 9 /* StringLiteral */: + return checkStringLiteralExpression(node); + case 11 /* NoSubstitutionTemplateLiteral */: + return stringType; + case 10 /* RegularExpressionLiteral */: + return globalRegExpType; + case 167 /* ArrayLiteralExpression */: + return checkArrayLiteral(node, contextualMapper); + case 168 /* ObjectLiteralExpression */: + return checkObjectLiteral(node, contextualMapper); + case 169 /* PropertyAccessExpression */: + return checkPropertyAccessExpression(node); + case 170 /* ElementAccessExpression */: + return checkIndexedAccess(node); + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return checkCallExpression(node); + case 173 /* TaggedTemplateExpression */: + return checkTaggedTemplateExpression(node); + case 175 /* ParenthesizedExpression */: + return checkExpression(node.expression, contextualMapper); + case 189 /* ClassExpression */: + return checkClassExpression(node); + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return checkFunctionExpressionOrObjectLiteralMethod(node, contextualMapper); + case 179 /* TypeOfExpression */: + return checkTypeOfExpression(node); + case 174 /* TypeAssertionExpression */: + case 192 /* AsExpression */: + return checkAssertion(node); + case 178 /* DeleteExpression */: + return checkDeleteExpression(node); + case 180 /* VoidExpression */: + return checkVoidExpression(node); + case 181 /* AwaitExpression */: + return checkAwaitExpression(node); + case 182 /* PrefixUnaryExpression */: + return checkPrefixUnaryExpression(node); + case 183 /* PostfixUnaryExpression */: + return checkPostfixUnaryExpression(node); + case 184 /* BinaryExpression */: + return checkBinaryExpression(node, contextualMapper); + case 185 /* ConditionalExpression */: + return checkConditionalExpression(node, contextualMapper); + case 188 /* SpreadElementExpression */: + return checkSpreadElementExpression(node, contextualMapper); + case 190 /* OmittedExpression */: + return undefinedType; + case 187 /* YieldExpression */: + return checkYieldExpression(node); + case 243 /* JsxExpression */: + return checkJsxExpression(node); + case 236 /* JsxElement */: + return checkJsxElement(node); + case 237 /* JsxSelfClosingElement */: + return checkJsxSelfClosingElement(node); + case 238 /* JsxOpeningElement */: + ts.Debug.fail("Shouldn't ever directly check a JsxOpeningElement"); + } + return unknownType; + } + // DECLARATION AND STATEMENT TYPE CHECKING + function checkTypeParameter(node) { + // Grammar Checking + if (node.expression) { + grammarErrorOnFirstToken(node.expression, ts.Diagnostics.Type_expected); + } + checkSourceElement(node.constraint); + getConstraintOfTypeParameter(getDeclaredTypeOfTypeParameter(getSymbolOfNode(node))); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_parameter_name_cannot_be_0); + } + } + function checkParameter(node) { + // Grammar checking + // It is a SyntaxError if the Identifier "eval" or the Identifier "arguments" occurs as the + // Identifier in a PropertySetParameterList of a PropertyAssignment that is contained in strict code + // or if its FunctionBody is strict code(11.1.5). + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkVariableLikeDeclaration(node); + var func = ts.getContainingFunction(node); + if (node.flags & 56 /* AccessibilityModifier */) { + func = ts.getContainingFunction(node); + if (!(func.kind === 145 /* Constructor */ && ts.nodeIsPresent(func.body))) { + error(node, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + } + if (node.questionToken && ts.isBindingPattern(node.name) && func.body) { + error(node, ts.Diagnostics.A_binding_pattern_parameter_cannot_be_optional_in_an_implementation_signature); + } + // Only check rest parameter type if it's not a binding pattern. Since binding patterns are + // not allowed in a rest parameter, we already have an error from checkGrammarParameterList. + if (node.dotDotDotToken && !ts.isBindingPattern(node.name) && !isArrayType(getTypeOfSymbol(node.symbol))) { + error(node, ts.Diagnostics.A_rest_parameter_must_be_of_an_array_type); + } + } + function isSyntacticallyValidGenerator(node) { + if (!node.asteriskToken || !node.body) { + return false; + } + return node.kind === 144 /* MethodDeclaration */ || + node.kind === 216 /* FunctionDeclaration */ || + node.kind === 176 /* FunctionExpression */; + } + function getTypePredicateParameterIndex(parameterList, parameter) { + if (parameterList) { + for (var i = 0; i < parameterList.length; i++) { + var param = parameterList[i]; + if (param.name.kind === 69 /* Identifier */ && + param.name.text === parameter.text) { + return i; + } + } + } + return -1; + } + function checkTypePredicate(node) { + var parent = getTypePredicateParent(node); + if (!parent) { + // The parent must not be valid. + error(node, ts.Diagnostics.A_type_predicate_is_only_allowed_in_return_type_position_for_functions_and_methods); + return; + } + var typePredicate = getSignatureFromDeclaration(parent).typePredicate; + if (!typePredicate) { + return; + } + var parameterName = node.parameterName; + if (ts.isThisTypePredicate(typePredicate)) { + getTypeFromThisTypeNode(parameterName); + } + else { + if (typePredicate.parameterIndex >= 0) { + if (parent.parameters[typePredicate.parameterIndex].dotDotDotToken) { + error(parameterName, ts.Diagnostics.A_type_predicate_cannot_reference_a_rest_parameter); + } + else { + checkTypeAssignableTo(typePredicate.type, getTypeOfNode(parent.parameters[typePredicate.parameterIndex]), node.type); + } + } + else if (parameterName) { + var hasReportedError = false; + for (var _i = 0, _a = parent.parameters; _i < _a.length; _i++) { + var name_14 = _a[_i].name; + if (ts.isBindingPattern(name_14) && + checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_14, parameterName, typePredicate.parameterName)) { + hasReportedError = true; + break; + } + } + if (!hasReportedError) { + error(node.parameterName, ts.Diagnostics.Cannot_find_parameter_0, typePredicate.parameterName); + } + } + } + } + function getTypePredicateParent(node) { + switch (node.parent.kind) { + case 177 /* ArrowFunction */: + case 148 /* CallSignature */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 153 /* FunctionType */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + var parent_7 = node.parent; + if (node === parent_7.type) { + return parent_7; + } + } + } + function checkIfTypePredicateVariableIsDeclaredInBindingPattern(pattern, predicateVariableNode, predicateVariableName) { + for (var _i = 0, _a = pattern.elements; _i < _a.length; _i++) { + var name_15 = _a[_i].name; + if (name_15.kind === 69 /* Identifier */ && + name_15.text === predicateVariableName) { + error(predicateVariableNode, ts.Diagnostics.A_type_predicate_cannot_reference_element_0_in_a_binding_pattern, predicateVariableName); + return true; + } + else if (name_15.kind === 165 /* ArrayBindingPattern */ || + name_15.kind === 164 /* ObjectBindingPattern */) { + if (checkIfTypePredicateVariableIsDeclaredInBindingPattern(name_15, predicateVariableNode, predicateVariableName)) { + return true; + } + } + } + } + function checkSignatureDeclaration(node) { + // Grammar checking + if (node.kind === 150 /* IndexSignature */) { + checkGrammarIndexSignature(node); + } + else if (node.kind === 153 /* FunctionType */ || node.kind === 216 /* FunctionDeclaration */ || node.kind === 154 /* ConstructorType */ || + node.kind === 148 /* CallSignature */ || node.kind === 145 /* Constructor */ || + node.kind === 149 /* ConstructSignature */) { + checkGrammarFunctionLikeDeclaration(node); + } + checkTypeParameters(node.typeParameters); + ts.forEach(node.parameters, checkParameter); + if (node.type) { + checkSourceElement(node.type); + } + if (produceDiagnostics) { + checkCollisionWithArgumentsInGeneratedCode(node); + if (compilerOptions.noImplicitAny && !node.type) { + switch (node.kind) { + case 149 /* ConstructSignature */: + error(node, ts.Diagnostics.Construct_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + case 148 /* CallSignature */: + error(node, ts.Diagnostics.Call_signature_which_lacks_return_type_annotation_implicitly_has_an_any_return_type); + break; + } + } + if (node.type) { + if (languageVersion >= 2 /* ES6 */ && isSyntacticallyValidGenerator(node)) { + var returnType = getTypeFromTypeNode(node.type); + if (returnType === voidType) { + error(node.type, ts.Diagnostics.A_generator_cannot_have_a_void_type_annotation); + } + else { + var generatorElementType = getElementTypeOfIterableIterator(returnType) || anyType; + var iterableIteratorInstantiation = createIterableIteratorType(generatorElementType); + // Naively, one could check that IterableIterator is assignable to the return type annotation. + // However, that would not catch the error in the following case. + // + // interface BadGenerator extends Iterable, Iterator { } + // function* g(): BadGenerator { } // Iterable and Iterator have different types! + // + checkTypeAssignableTo(iterableIteratorInstantiation, returnType, node.type); + } + } + else if (ts.isAsyncFunctionLike(node)) { + checkAsyncFunctionReturnType(node); + } + } + } + checkSpecializedSignatureDeclaration(node); + } + function checkTypeForDuplicateIndexSignatures(node) { + if (node.kind === 218 /* InterfaceDeclaration */) { + var nodeSymbol = getSymbolOfNode(node); + // in case of merging interface declaration it is possible that we'll enter this check procedure several times for every declaration + // to prevent this run check only for the first declaration of a given kind + if (nodeSymbol.declarations.length > 0 && nodeSymbol.declarations[0] !== node) { + return; + } + } + // TypeScript 1.0 spec (April 2014) + // 3.7.4: An object type can contain at most one string index signature and one numeric index signature. + // 8.5: A class declaration can have at most one string index member declaration and one numeric index member declaration + var indexSymbol = getIndexSymbol(getSymbolOfNode(node)); + if (indexSymbol) { + var seenNumericIndexer = false; + var seenStringIndexer = false; + for (var _i = 0, _a = indexSymbol.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + var declaration = decl; + if (declaration.parameters.length === 1 && declaration.parameters[0].type) { + switch (declaration.parameters[0].type.kind) { + case 130 /* StringKeyword */: + if (!seenStringIndexer) { + seenStringIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_string_index_signature); + } + break; + case 128 /* NumberKeyword */: + if (!seenNumericIndexer) { + seenNumericIndexer = true; + } + else { + error(declaration, ts.Diagnostics.Duplicate_number_index_signature); + } + break; + } + } + } + } + } + function checkPropertyDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarProperty(node) || checkGrammarComputedPropertyName(node.name); + checkVariableLikeDeclaration(node); + } + function checkMethodDeclaration(node) { + // Grammar checking + checkGrammarMethod(node) || checkGrammarComputedPropertyName(node.name); + // Grammar checking for modifiers is done inside the function checkGrammarFunctionLikeDeclaration + checkFunctionOrMethodDeclaration(node); + // Abstract methods cannot have an implementation. + // Extra checks are to avoid reporting multiple errors relating to the "abstractness" of the node. + if (node.flags & 128 /* Abstract */ && node.body) { + error(node, ts.Diagnostics.Method_0_cannot_have_an_implementation_because_it_is_marked_abstract, ts.declarationNameToString(node.name)); + } + } + function checkConstructorDeclaration(node) { + // Grammar check on signature of constructor and modifier of the constructor is done in checkSignatureDeclaration function. + checkSignatureDeclaration(node); + // Grammar check for checking only related to constructoDeclaration + checkGrammarConstructorTypeParameters(node) || checkGrammarConstructorTypeAnnotation(node); + checkSourceElement(node.body); + var symbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(symbol, node.kind); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(symbol); + } + // exit early in the case of signature - super checks are not relevant to them + if (ts.nodeIsMissing(node.body)) { + return; + } + if (!produceDiagnostics) { + return; + } + function markThisReferencesAsErrors(n) { + if (n.kind === 97 /* ThisKeyword */) { + error(n, ts.Diagnostics.this_cannot_be_referenced_in_current_location); + } + else if (n.kind !== 176 /* FunctionExpression */ && n.kind !== 216 /* FunctionDeclaration */) { + ts.forEachChild(n, markThisReferencesAsErrors); + } + } + function isInstancePropertyWithInitializer(n) { + return n.kind === 142 /* PropertyDeclaration */ && + !(n.flags & 64 /* Static */) && + !!n.initializer; + } + // TS 1.0 spec (April 2014): 8.3.2 + // Constructors of classes with no extends clause may not contain super calls, whereas + // constructors of derived classes must contain at least one super call somewhere in their function body. + var containingClassDecl = node.parent; + if (ts.getClassExtendsHeritageClauseElement(containingClassDecl)) { + var classExtendsNull = classDeclarationExtendsNull(containingClassDecl); + var superCall = getSuperCallInConstructor(node); + if (superCall) { + if (classExtendsNull) { + error(superCall, ts.Diagnostics.A_constructor_cannot_contain_a_super_call_when_its_class_extends_null); + } + // The first statement in the body of a constructor (excluding prologue directives) must be a super call + // if both of the following are true: + // - The containing class is a derived class. + // - The constructor declares parameter properties + // or the containing class declares instance member variables with initializers. + var superCallShouldBeFirst = ts.forEach(node.parent.members, isInstancePropertyWithInitializer) || + ts.forEach(node.parameters, function (p) { return p.flags & (8 /* Public */ | 16 /* Private */ | 32 /* Protected */); }); + // Skip past any prologue directives to find the first statement + // to ensure that it was a super call. + if (superCallShouldBeFirst) { + var statements = node.body.statements; + var superCallStatement = void 0; + for (var _i = 0, statements_2 = statements; _i < statements_2.length; _i++) { + var statement = statements_2[_i]; + if (statement.kind === 198 /* ExpressionStatement */ && ts.isSuperCallExpression(statement.expression)) { + superCallStatement = statement; + break; + } + if (!ts.isPrologueDirective(statement)) { + break; + } + } + if (!superCallStatement) { + error(node, ts.Diagnostics.A_super_call_must_be_the_first_statement_in_the_constructor_when_a_class_contains_initialized_properties_or_has_parameter_properties); + } + } + } + else if (!classExtendsNull) { + error(node, ts.Diagnostics.Constructors_for_derived_classes_must_contain_a_super_call); + } + } + } + function checkAccessorDeclaration(node) { + if (produceDiagnostics) { + // Grammar checking accessors + checkGrammarFunctionLikeDeclaration(node) || checkGrammarAccessor(node) || checkGrammarComputedPropertyName(node.name); + checkDecorators(node); + checkSignatureDeclaration(node); + if (node.kind === 146 /* GetAccessor */) { + if (!ts.isInAmbientContext(node) && ts.nodeIsPresent(node.body) && (node.flags & 524288 /* HasImplicitReturn */)) { + if (node.flags & 1048576 /* HasExplicitReturn */) { + if (compilerOptions.noImplicitReturns) { + error(node.name, ts.Diagnostics.Not_all_code_paths_return_a_value); + } + } + else { + error(node.name, ts.Diagnostics.A_get_accessor_must_return_a_value); + } + } + } + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + // TypeScript 1.0 spec (April 2014): 8.4.3 + // Accessors for the same member name must specify the same accessibility. + var otherKind = node.kind === 146 /* GetAccessor */ ? 147 /* SetAccessor */ : 146 /* GetAccessor */; + var otherAccessor = ts.getDeclarationOfKind(node.symbol, otherKind); + if (otherAccessor) { + if (((node.flags & 56 /* AccessibilityModifier */) !== (otherAccessor.flags & 56 /* AccessibilityModifier */))) { + error(node.name, ts.Diagnostics.Getter_and_setter_accessors_do_not_agree_in_visibility); + } + var currentAccessorType = getAnnotatedAccessorType(node); + var otherAccessorType = getAnnotatedAccessorType(otherAccessor); + // TypeScript 1.0 spec (April 2014): 4.5 + // If both accessors include type annotations, the specified types must be identical. + if (currentAccessorType && otherAccessorType) { + if (!isTypeIdenticalTo(currentAccessorType, otherAccessorType)) { + error(node, ts.Diagnostics.get_and_set_accessor_must_have_the_same_type); + } + } + } + } + getTypeOfAccessors(getSymbolOfNode(node)); + } + if (node.parent.kind !== 168 /* ObjectLiteralExpression */) { + checkSourceElement(node.body); + } + else { + checkNodeDeferred(node); + } + } + function checkAccessorDeferred(node) { + checkSourceElement(node.body); + } + function checkMissingDeclaration(node) { + checkDecorators(node); + } + function checkTypeArgumentConstraints(typeParameters, typeArgumentNodes) { + var typeArguments; + var mapper; + var result = true; + for (var i = 0; i < typeParameters.length; i++) { + var constraint = getConstraintOfTypeParameter(typeParameters[i]); + if (constraint) { + if (!typeArguments) { + typeArguments = ts.map(typeArgumentNodes, getTypeFromTypeNode); + mapper = createTypeMapper(typeParameters, typeArguments); + } + var typeArgument = typeArguments[i]; + result = result && checkTypeAssignableTo(typeArgument, getTypeWithThisArgument(instantiateType(constraint, mapper), typeArgument), typeArgumentNodes[i], ts.Diagnostics.Type_0_does_not_satisfy_the_constraint_1); + } + } + return result; + } + function checkTypeReferenceNode(node) { + checkGrammarTypeArguments(node, node.typeArguments); + var type = getTypeFromTypeReference(node); + if (type !== unknownType && node.typeArguments) { + // Do type argument local checks only if referenced type is successfully resolved + ts.forEach(node.typeArguments, checkSourceElement); + if (produceDiagnostics) { + var symbol = getNodeLinks(node).resolvedSymbol; + var typeParameters = symbol.flags & 524288 /* TypeAlias */ ? getSymbolLinks(symbol).typeParameters : type.target.localTypeParameters; + checkTypeArgumentConstraints(typeParameters, node.typeArguments); + } + } + } + function checkTypeQuery(node) { + getTypeFromTypeQueryNode(node); + } + function checkTypeLiteral(node) { + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + var type = getTypeFromTypeLiteralOrFunctionOrConstructorTypeNode(node); + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkArrayType(node) { + checkSourceElement(node.elementType); + } + function checkTupleType(node) { + // Grammar checking + var hasErrorFromDisallowedTrailingComma = checkGrammarForDisallowedTrailingComma(node.elementTypes); + if (!hasErrorFromDisallowedTrailingComma && node.elementTypes.length === 0) { + grammarErrorOnNode(node, ts.Diagnostics.A_tuple_type_element_list_cannot_be_empty); + } + ts.forEach(node.elementTypes, checkSourceElement); + } + function checkUnionOrIntersectionType(node) { + ts.forEach(node.types, checkSourceElement); + } + function isPrivateWithinAmbient(node) { + return (node.flags & 16 /* Private */) && ts.isInAmbientContext(node); + } + function checkSpecializedSignatureDeclaration(signatureDeclarationNode) { + if (!produceDiagnostics) { + return; + } + var signature = getSignatureFromDeclaration(signatureDeclarationNode); + if (!signature.hasStringLiterals) { + return; + } + // TypeScript 1.0 spec (April 2014): 3.7.2.2 + // Specialized signatures are not permitted in conjunction with a function body + if (ts.nodeIsPresent(signatureDeclarationNode.body)) { + error(signatureDeclarationNode, ts.Diagnostics.A_signature_with_an_implementation_cannot_use_a_string_literal_type); + return; + } + // TypeScript 1.0 spec (April 2014): 3.7.2.4 + // Every specialized call or construct signature in an object type must be assignable + // to at least one non-specialized call or construct signature in the same object type + var signaturesToCheck; + // Unnamed (call\construct) signatures in interfaces are inherited and not shadowed so examining just node symbol won't give complete answer. + // Use declaring type to obtain full list of signatures. + if (!signatureDeclarationNode.name && signatureDeclarationNode.parent && signatureDeclarationNode.parent.kind === 218 /* InterfaceDeclaration */) { + ts.Debug.assert(signatureDeclarationNode.kind === 148 /* CallSignature */ || signatureDeclarationNode.kind === 149 /* ConstructSignature */); + var signatureKind = signatureDeclarationNode.kind === 148 /* CallSignature */ ? 0 /* Call */ : 1 /* Construct */; + var containingSymbol = getSymbolOfNode(signatureDeclarationNode.parent); + var containingType = getDeclaredTypeOfSymbol(containingSymbol); + signaturesToCheck = getSignaturesOfType(containingType, signatureKind); + } + else { + signaturesToCheck = getSignaturesOfSymbol(getSymbolOfNode(signatureDeclarationNode)); + } + for (var _i = 0, signaturesToCheck_1 = signaturesToCheck; _i < signaturesToCheck_1.length; _i++) { + var otherSignature = signaturesToCheck_1[_i]; + if (!otherSignature.hasStringLiterals && isSignatureAssignableTo(signature, otherSignature, /*ignoreReturnTypes*/ false)) { + return; + } + } + error(signatureDeclarationNode, ts.Diagnostics.Specialized_overload_signature_is_not_assignable_to_any_non_specialized_signature); + } + function getEffectiveDeclarationFlags(n, flagsToCheck) { + var flags = ts.getCombinedNodeFlags(n); + // children of classes (even ambient classes) should not be marked as ambient or export + // because those flags have no useful semantics there. + if (n.parent.kind !== 218 /* InterfaceDeclaration */ && + n.parent.kind !== 217 /* ClassDeclaration */ && + n.parent.kind !== 189 /* ClassExpression */ && + ts.isInAmbientContext(n)) { + if (!(flags & 4 /* Ambient */)) { + // It is nested in an ambient context, which means it is automatically exported + flags |= 2 /* Export */; + } + flags |= 4 /* Ambient */; + } + return flags & flagsToCheck; + } + function checkFunctionOrConstructorSymbol(symbol) { + if (!produceDiagnostics) { + return; + } + function getCanonicalOverload(overloads, implementation) { + // Consider the canonical set of flags to be the flags of the bodyDeclaration or the first declaration + // Error on all deviations from this canonical set of flags + // The caveat is that if some overloads are defined in lib.d.ts, we don't want to + // report the errors on those. To achieve this, we will say that the implementation is + // the canonical signature only if it is in the same container as the first overload + var implementationSharesContainerWithFirstOverload = implementation !== undefined && implementation.parent === overloads[0].parent; + return implementationSharesContainerWithFirstOverload ? implementation : overloads[0]; + } + function checkFlagAgreementBetweenOverloads(overloads, implementation, flagsToCheck, someOverloadFlags, allOverloadFlags) { + // Error if some overloads have a flag that is not shared by all overloads. To find the + // deviations, we XOR someOverloadFlags with allOverloadFlags + var someButNotAllOverloadFlags = someOverloadFlags ^ allOverloadFlags; + if (someButNotAllOverloadFlags !== 0) { + var canonicalFlags_1 = getEffectiveDeclarationFlags(getCanonicalOverload(overloads, implementation), flagsToCheck); + ts.forEach(overloads, function (o) { + var deviation = getEffectiveDeclarationFlags(o, flagsToCheck) ^ canonicalFlags_1; + if (deviation & 2 /* Export */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_exported_or_not_exported); + } + else if (deviation & 4 /* Ambient */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_ambient_or_non_ambient); + } + else if (deviation & (16 /* Private */ | 32 /* Protected */)) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_public_private_or_protected); + } + else if (deviation & 128 /* Abstract */) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_abstract_or_not_abstract); + } + }); + } + } + function checkQuestionTokenAgreementBetweenOverloads(overloads, implementation, someHaveQuestionToken, allHaveQuestionToken) { + if (someHaveQuestionToken !== allHaveQuestionToken) { + var canonicalHasQuestionToken_1 = ts.hasQuestionToken(getCanonicalOverload(overloads, implementation)); + ts.forEach(overloads, function (o) { + var deviation = ts.hasQuestionToken(o) !== canonicalHasQuestionToken_1; + if (deviation) { + error(o.name, ts.Diagnostics.Overload_signatures_must_all_be_optional_or_required); + } + }); + } + } + var flagsToCheck = 2 /* Export */ | 4 /* Ambient */ | 16 /* Private */ | 32 /* Protected */ | 128 /* Abstract */; + var someNodeFlags = 0; + var allNodeFlags = flagsToCheck; + var someHaveQuestionToken = false; + var allHaveQuestionToken = true; + var hasOverloads = false; + var bodyDeclaration; + var lastSeenNonAmbientDeclaration; + var previousDeclaration; + var declarations = symbol.declarations; + var isConstructor = (symbol.flags & 16384 /* Constructor */) !== 0; + function reportImplementationExpectedError(node) { + if (node.name && ts.nodeIsMissing(node.name)) { + return; + } + var seen = false; + var subsequentNode = ts.forEachChild(node.parent, function (c) { + if (seen) { + return c; + } + else { + seen = c === node; + } + }); + // We may be here because of some extra junk between overloads that could not be parsed into a valid node. + // In this case the subsequent node is not really consecutive (.pos !== node.end), and we must ignore it here. + if (subsequentNode && subsequentNode.pos === node.end) { + if (subsequentNode.kind === node.kind) { + var errorNode_1 = subsequentNode.name || subsequentNode; + // TODO(jfreeman): These are methods, so handle computed name case + if (node.name && subsequentNode.name && node.name.text === subsequentNode.name.text) { + var reportError = (node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && + (node.flags & 64 /* Static */) !== (subsequentNode.flags & 64 /* Static */); + // we can get here in two cases + // 1. mixed static and instance class members + // 2. something with the same name was defined before the set of overloads that prevents them from merging + // here we'll report error only for the first case since for second we should already report error in binder + if (reportError) { + var diagnostic = node.flags & 64 /* Static */ ? ts.Diagnostics.Function_overload_must_be_static : ts.Diagnostics.Function_overload_must_not_be_static; + error(errorNode_1, diagnostic); + } + return; + } + else if (ts.nodeIsPresent(subsequentNode.body)) { + error(errorNode_1, ts.Diagnostics.Function_implementation_name_must_be_0, ts.declarationNameToString(node.name)); + return; + } + } + } + var errorNode = node.name || node; + if (isConstructor) { + error(errorNode, ts.Diagnostics.Constructor_implementation_is_missing); + } + else { + // Report different errors regarding non-consecutive blocks of declarations depending on whether + // the node in question is abstract. + if (node.flags & 128 /* Abstract */) { + error(errorNode, ts.Diagnostics.All_declarations_of_an_abstract_method_must_be_consecutive); + } + else { + error(errorNode, ts.Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration); + } + } + } + // when checking exported function declarations across modules check only duplicate implementations + // names and consistency of modifiers are verified when we check local symbol + var isExportSymbolInsideModule = symbol.parent && symbol.parent.flags & 1536 /* Module */; + var duplicateFunctionDeclaration = false; + var multipleConstructorImplementation = false; + for (var _i = 0, declarations_4 = declarations; _i < declarations_4.length; _i++) { + var current = declarations_4[_i]; + var node = current; + var inAmbientContext = ts.isInAmbientContext(node); + var inAmbientContextOrInterface = node.parent.kind === 218 /* InterfaceDeclaration */ || node.parent.kind === 156 /* TypeLiteral */ || inAmbientContext; + if (inAmbientContextOrInterface) { + // check if declarations are consecutive only if they are non-ambient + // 1. ambient declarations can be interleaved + // i.e. this is legal + // declare function foo(); + // declare function bar(); + // declare function foo(); + // 2. mixing ambient and non-ambient declarations is a separate error that will be reported - do not want to report an extra one + previousDeclaration = undefined; + } + if (node.kind === 216 /* FunctionDeclaration */ || node.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */ || node.kind === 145 /* Constructor */) { + var currentNodeFlags = getEffectiveDeclarationFlags(node, flagsToCheck); + someNodeFlags |= currentNodeFlags; + allNodeFlags &= currentNodeFlags; + someHaveQuestionToken = someHaveQuestionToken || ts.hasQuestionToken(node); + allHaveQuestionToken = allHaveQuestionToken && ts.hasQuestionToken(node); + if (ts.nodeIsPresent(node.body) && bodyDeclaration) { + if (isConstructor) { + multipleConstructorImplementation = true; + } + else { + duplicateFunctionDeclaration = true; + } + } + else if (!isExportSymbolInsideModule && previousDeclaration && previousDeclaration.parent === node.parent && previousDeclaration.end !== node.pos) { + reportImplementationExpectedError(previousDeclaration); + } + if (ts.nodeIsPresent(node.body)) { + if (!bodyDeclaration) { + bodyDeclaration = node; + } + } + else { + hasOverloads = true; + } + previousDeclaration = node; + if (!inAmbientContextOrInterface) { + lastSeenNonAmbientDeclaration = node; + } + } + } + if (multipleConstructorImplementation) { + ts.forEach(declarations, function (declaration) { + error(declaration, ts.Diagnostics.Multiple_constructor_implementations_are_not_allowed); + }); + } + if (duplicateFunctionDeclaration) { + ts.forEach(declarations, function (declaration) { + error(declaration.name, ts.Diagnostics.Duplicate_function_implementation); + }); + } + // Abstract methods can't have an implementation -- in particular, they don't need one. + if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && + !(lastSeenNonAmbientDeclaration.flags & 128 /* Abstract */)) { + reportImplementationExpectedError(lastSeenNonAmbientDeclaration); + } + if (hasOverloads) { + checkFlagAgreementBetweenOverloads(declarations, bodyDeclaration, flagsToCheck, someNodeFlags, allNodeFlags); + checkQuestionTokenAgreementBetweenOverloads(declarations, bodyDeclaration, someHaveQuestionToken, allHaveQuestionToken); + if (bodyDeclaration) { + var signatures = getSignaturesOfSymbol(symbol); + var bodySignature = getSignatureFromDeclaration(bodyDeclaration); + // If the implementation signature has string literals, we will have reported an error in + // checkSpecializedSignatureDeclaration + if (!bodySignature.hasStringLiterals) { + // TypeScript 1.0 spec (April 2014): 6.1 + // If a function declaration includes overloads, the overloads determine the call + // signatures of the type given to the function object + // and the function implementation signature must be assignable to that type + // + // TypeScript 1.0 spec (April 2014): 3.8.4 + // Note that specialized call and construct signatures (section 3.7.2.4) are not significant when determining assignment compatibility + // Consider checking against specialized signatures too. Not doing so creates a type hole: + // + // function g(x: "hi", y: boolean); + // function g(x: string, y: {}); + // function g(x: string, y: string) { } + // + // The implementation is completely unrelated to the specialized signature, yet we do not check this. + for (var _a = 0, signatures_3 = signatures; _a < signatures_3.length; _a++) { + var signature = signatures_3[_a]; + if (!signature.hasStringLiterals && !isImplementationCompatibleWithOverload(bodySignature, signature)) { + error(signature.declaration, ts.Diagnostics.Overload_signature_is_not_compatible_with_function_implementation); + break; + } + } + } + } + } + } + function checkExportsOnMergedDeclarations(node) { + if (!produceDiagnostics) { + return; + } + // if localSymbol is defined on node then node itself is exported - check is required + var symbol = node.localSymbol; + if (!symbol) { + // local symbol is undefined => this declaration is non-exported. + // however symbol might contain other declarations that are exported + symbol = getSymbolOfNode(node); + if (!(symbol.flags & 7340032 /* Export */)) { + // this is a pure local symbol (all declarations are non-exported) - no need to check anything + return; + } + } + // run the check only for the first declaration in the list + if (ts.getDeclarationOfKind(symbol, node.kind) !== node) { + return; + } + // we use SymbolFlags.ExportValue, SymbolFlags.ExportType and SymbolFlags.ExportNamespace + // to denote disjoint declarationSpaces (without making new enum type). + var exportedDeclarationSpaces = 0 /* None */; + var nonExportedDeclarationSpaces = 0 /* None */; + var defaultExportedDeclarationSpaces = 0 /* None */; + for (var _i = 0, _a = symbol.declarations; _i < _a.length; _i++) { + var d = _a[_i]; + var declarationSpaces = getDeclarationSpaces(d); + var effectiveDeclarationFlags = getEffectiveDeclarationFlags(d, 2 /* Export */ | 512 /* Default */); + if (effectiveDeclarationFlags & 2 /* Export */) { + if (effectiveDeclarationFlags & 512 /* Default */) { + defaultExportedDeclarationSpaces |= declarationSpaces; + } + else { + exportedDeclarationSpaces |= declarationSpaces; + } + } + else { + nonExportedDeclarationSpaces |= declarationSpaces; + } + } + // Spaces for anyting not declared a 'default export'. + var nonDefaultExportedDeclarationSpaces = exportedDeclarationSpaces | nonExportedDeclarationSpaces; + var commonDeclarationSpacesForExportsAndLocals = exportedDeclarationSpaces & nonExportedDeclarationSpaces; + var commonDeclarationSpacesForDefaultAndNonDefault = defaultExportedDeclarationSpaces & nonDefaultExportedDeclarationSpaces; + if (commonDeclarationSpacesForExportsAndLocals || commonDeclarationSpacesForDefaultAndNonDefault) { + // declaration spaces for exported and non-exported declarations intersect + for (var _b = 0, _c = symbol.declarations; _b < _c.length; _b++) { + var d = _c[_b]; + var declarationSpaces = getDeclarationSpaces(d); + // Only error on the declarations that conributed to the intersecting spaces. + if (declarationSpaces & commonDeclarationSpacesForDefaultAndNonDefault) { + error(d.name, ts.Diagnostics.Merged_declaration_0_cannot_include_a_default_export_declaration_Consider_adding_a_separate_export_default_0_declaration_instead, ts.declarationNameToString(d.name)); + } + else if (declarationSpaces & commonDeclarationSpacesForExportsAndLocals) { + error(d.name, ts.Diagnostics.Individual_declarations_in_merged_declaration_0_must_be_all_exported_or_all_local, ts.declarationNameToString(d.name)); + } + } + } + function getDeclarationSpaces(d) { + switch (d.kind) { + case 218 /* InterfaceDeclaration */: + return 2097152 /* ExportType */; + case 221 /* ModuleDeclaration */: + return ts.isAmbientModule(d) || ts.getModuleInstanceState(d) !== 0 /* NonInstantiated */ + ? 4194304 /* ExportNamespace */ | 1048576 /* ExportValue */ + : 4194304 /* ExportNamespace */; + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + return 2097152 /* ExportType */ | 1048576 /* ExportValue */; + case 224 /* ImportEqualsDeclaration */: + var result_2 = 0; + var target = resolveAlias(getSymbolOfNode(d)); + ts.forEach(target.declarations, function (d) { result_2 |= getDeclarationSpaces(d); }); + return result_2; + default: + return 1048576 /* ExportValue */; + } + } + } + function checkNonThenableType(type, location, message) { + type = getWidenedType(type); + if (!isTypeAny(type) && isTypeAssignableTo(type, getGlobalThenableType())) { + if (location) { + if (!message) { + message = ts.Diagnostics.Operand_for_await_does_not_have_a_valid_callable_then_member; + } + error(location, message); + } + return unknownType; + } + return type; + } + /** + * Gets the "promised type" of a promise. + * @param type The type of the promise. + * @remarks The "promised type" of a type is the type of the "value" parameter of the "onfulfilled" callback. + */ + function getPromisedType(promise) { + // + // { // promise + // then( // thenFunction + // onfulfilled: ( // onfulfilledParameterType + // value: T // valueParameterType + // ) => any + // ): any; + // } + // + if (promise.flags & 1 /* Any */) { + return undefined; + } + if ((promise.flags & 4096 /* Reference */) && promise.target === tryGetGlobalPromiseType()) { + return promise.typeArguments[0]; + } + var globalPromiseLikeType = getInstantiatedGlobalPromiseLikeType(); + if (globalPromiseLikeType === emptyObjectType || !isTypeAssignableTo(promise, globalPromiseLikeType)) { + return undefined; + } + var thenFunction = getTypeOfPropertyOfType(promise, "then"); + if (thenFunction && (thenFunction.flags & 1 /* Any */)) { + return undefined; + } + var thenSignatures = thenFunction ? getSignaturesOfType(thenFunction, 0 /* Call */) : emptyArray; + if (thenSignatures.length === 0) { + return undefined; + } + var onfulfilledParameterType = getUnionType(ts.map(thenSignatures, getTypeOfFirstParameterOfSignature)); + if (onfulfilledParameterType.flags & 1 /* Any */) { + return undefined; + } + var onfulfilledParameterSignatures = getSignaturesOfType(onfulfilledParameterType, 0 /* Call */); + if (onfulfilledParameterSignatures.length === 0) { + return undefined; + } + var valueParameterType = getUnionType(ts.map(onfulfilledParameterSignatures, getTypeOfFirstParameterOfSignature)); + return valueParameterType; + } + function getTypeOfFirstParameterOfSignature(signature) { + return getTypeAtPosition(signature, 0); + } + /** + * Gets the "awaited type" of a type. + * @param type The type to await. + * @remarks The "awaited type" of an expression is its "promised type" if the expression is a + * Promise-like type; otherwise, it is the type of the expression. This is used to reflect + * The runtime behavior of the `await` keyword. + */ + function getAwaitedType(type) { + return checkAwaitedType(type, /*location*/ undefined, /*message*/ undefined); + } + function checkAwaitedType(type, location, message) { + return checkAwaitedTypeWorker(type); + function checkAwaitedTypeWorker(type) { + if (type.flags & 16384 /* Union */) { + var types = []; + for (var _i = 0, _a = type.types; _i < _a.length; _i++) { + var constituentType = _a[_i]; + types.push(checkAwaitedTypeWorker(constituentType)); + } + return getUnionType(types); + } + else { + var promisedType = getPromisedType(type); + if (promisedType === undefined) { + // The type was not a PromiseLike, so it could not be unwrapped any further. + // As long as the type does not have a callable "then" property, it is + // safe to return the type; otherwise, an error will have been reported in + // the call to checkNonThenableType and we will return unknownType. + // + // An example of a non-promise "thenable" might be: + // + // await { then(): void {} } + // + // The "thenable" does not match the minimal definition for a PromiseLike. When + // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise + // will never settle. We treat this as an error to help flag an early indicator + // of a runtime problem. If the user wants to return this value from an async + // function, they would need to wrap it in some other value. If they want it to + // be treated as a promise, they can cast to . + return checkNonThenableType(type, location, message); + } + else { + if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) { + // We have a bad actor in the form of a promise whose promised type is + // the same promise type, or a mutually recursive promise. Return the + // unknown type as we cannot guess the shape. If this were the actual + // case in the JavaScript, this Promise would never resolve. + // + // An example of a bad actor with a singly-recursive promise type might + // be: + // + // interface BadPromise { + // then( + // onfulfilled: (value: BadPromise) => any, + // onrejected: (error: any) => any): BadPromise; + // } + // + // The above interface will pass the PromiseLike check, and return a + // promised type of `BadPromise`. Since this is a self reference, we + // don't want to keep recursing ad infinitum. + // + // An example of a bad actor in the form of a mutually-recursive + // promise type might be: + // + // interface BadPromiseA { + // then( + // onfulfilled: (value: BadPromiseB) => any, + // onrejected: (error: any) => any): BadPromiseB; + // } + // + // interface BadPromiseB { + // then( + // onfulfilled: (value: BadPromiseA) => any, + // onrejected: (error: any) => any): BadPromiseA; + // } + // + if (location) { + error(location, ts.Diagnostics._0_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method, symbolToString(type.symbol)); + } + return unknownType; + } + // Keep track of the type we're about to unwrap to avoid bad recursive promise types. + // See the comments above for more information. + awaitedTypeStack.push(type.id); + var awaitedType = checkAwaitedTypeWorker(promisedType); + awaitedTypeStack.pop(); + return awaitedType; + } + } + } + } + /** + * Checks that the return type provided is an instantiation of the global Promise type + * and returns the awaited type of the return type. + * + * @param returnType The return type of a FunctionLikeDeclaration + * @param location The node on which to report the error. + */ + function checkCorrectPromiseType(returnType, location) { + if (returnType === unknownType) { + // The return type already had some other error, so we ignore and return + // the unknown type. + return unknownType; + } + var globalPromiseType = getGlobalPromiseType(); + if (globalPromiseType === emptyGenericType + || globalPromiseType === getTargetType(returnType)) { + // Either we couldn't resolve the global promise type, which would have already + // reported an error, or we could resolve it and the return type is a valid type + // reference to the global type. In either case, we return the awaited type for + // the return type. + return checkAwaitedType(returnType, location, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + // The promise type was not a valid type reference to the global promise type, so we + // report an error and return the unknown type. + error(location, ts.Diagnostics.The_return_type_of_an_async_function_or_method_must_be_the_global_Promise_T_type); + return unknownType; + } + /** + * Checks the return type of an async function to ensure it is a compatible + * Promise implementation. + * @param node The signature to check + * @param returnType The return type for the function + * @remarks + * This checks that an async function has a valid Promise-compatible return type, + * and returns the *awaited type* of the promise. An async function has a valid + * Promise-compatible return type if the resolved value of the return type has a + * construct signature that takes in an `initializer` function that in turn supplies + * a `resolve` function as one of its arguments and results in an object with a + * callable `then` signature. + */ + function checkAsyncFunctionReturnType(node) { + if (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */) { + var returnType = getTypeFromTypeNode(node.type); + return checkCorrectPromiseType(returnType, node.type); + } + var globalPromiseConstructorLikeType = getGlobalPromiseConstructorLikeType(); + if (globalPromiseConstructorLikeType === emptyObjectType) { + // If we couldn't resolve the global PromiseConstructorLike type we cannot verify + // compatibility with __awaiter. + return unknownType; + } + // As part of our emit for an async function, we will need to emit the entity name of + // the return type annotation as an expression. To meet the necessary runtime semantics + // for __awaiter, we must also check that the type of the declaration (e.g. the static + // side or "constructor" of the promise type) is compatible `PromiseConstructorLike`. + // + // An example might be (from lib.es6.d.ts): + // + // interface Promise { ... } + // interface PromiseConstructor { + // new (...): Promise; + // } + // declare var Promise: PromiseConstructor; + // + // When an async function declares a return type annotation of `Promise`, we + // need to get the type of the `Promise` variable declaration above, which would + // be `PromiseConstructor`. + // + // The same case applies to a class: + // + // declare class Promise { + // constructor(...); + // then(...): Promise; + // } + // + // When we get the type of the `Promise` symbol here, we get the type of the static + // side of the `Promise` class, which would be `{ new (...): Promise }`. + var promiseType = getTypeFromTypeNode(node.type); + if (promiseType === unknownType && compilerOptions.isolatedModules) { + // If we are compiling with isolatedModules, we may not be able to resolve the + // type as a value. As such, we will just return unknownType; + return unknownType; + } + var promiseConstructor = getNodeLinks(node.type).resolvedSymbol; + if (!promiseConstructor || !symbolIsValue(promiseConstructor)) { + var typeName = promiseConstructor + ? symbolToString(promiseConstructor) + : typeToString(promiseType); + error(node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type, typeName); + return unknownType; + } + // If the Promise constructor, resolved locally, is an alias symbol we should mark it as referenced. + checkReturnTypeAnnotationAsExpression(node); + // Validate the promise constructor type. + var promiseConstructorType = getTypeOfSymbol(promiseConstructor); + if (!checkTypeAssignableTo(promiseConstructorType, globalPromiseConstructorLikeType, node, ts.Diagnostics.Type_0_is_not_a_valid_async_function_return_type)) { + return unknownType; + } + // Verify there is no local declaration that could collide with the promise constructor. + var promiseName = ts.getEntityNameFromTypeNode(node.type); + var promiseNameOrNamespaceRoot = getFirstIdentifier(promiseName); + var rootSymbol = getSymbol(node.locals, promiseNameOrNamespaceRoot.text, 107455 /* Value */); + if (rootSymbol) { + error(rootSymbol.valueDeclaration, ts.Diagnostics.Duplicate_identifier_0_Compiler_uses_declaration_1_to_support_async_functions, promiseNameOrNamespaceRoot.text, getFullyQualifiedName(promiseConstructor)); + return unknownType; + } + // Get and return the awaited type of the return type. + return checkAwaitedType(promiseType, node, ts.Diagnostics.An_async_function_or_method_must_have_a_valid_awaitable_return_type); + } + /** Check a decorator */ + function checkDecorator(node) { + var signature = getResolvedSignature(node); + var returnType = getReturnTypeOfSignature(signature); + if (returnType.flags & 1 /* Any */) { + return; + } + var expectedReturnType; + var headMessage = getDiagnosticHeadMessageForDecoratorResolution(node); + var errorInfo; + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + var classSymbol = getSymbolOfNode(node.parent); + var classConstructorType = getTypeOfSymbol(classSymbol); + expectedReturnType = getUnionType([classConstructorType, voidType]); + break; + case 139 /* Parameter */: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_parameter_decorator_function_must_be_either_void_or_any); + break; + case 142 /* PropertyDeclaration */: + expectedReturnType = voidType; + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.The_return_type_of_a_property_decorator_function_must_be_either_void_or_any); + break; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + var methodType = getTypeOfNode(node.parent); + var descriptorType = createTypedPropertyDescriptorType(methodType); + expectedReturnType = getUnionType([descriptorType, voidType]); + break; + } + checkTypeAssignableTo(returnType, expectedReturnType, node, headMessage, errorInfo); + } + /** Checks a type reference node as an expression. */ + function checkTypeNodeAsExpression(node) { + // When we are emitting type metadata for decorators, we need to try to check the type + // as if it were an expression so that we can emit the type in a value position when we + // serialize the type metadata. + if (node && node.kind === 152 /* TypeReference */) { + var root = getFirstIdentifier(node.typeName); + var meaning = root.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; + // Resolve type so we know which symbol is referenced + var rootSymbol = resolveName(root, root.text, meaning | 8388608 /* Alias */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + // Resolved symbol is alias + if (rootSymbol && rootSymbol.flags & 8388608 /* Alias */) { + var aliasTarget = resolveAlias(rootSymbol); + // If alias has value symbol - mark alias as referenced + if (aliasTarget.flags & 107455 /* Value */ && !isConstEnumOrConstEnumOnlyModule(resolveAlias(rootSymbol))) { + markAliasSymbolAsReferenced(rootSymbol); + } + } + } + } + /** + * Checks the type annotation of an accessor declaration or property declaration as + * an expression if it is a type reference to a type with a value declaration. + */ + function checkTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + function checkReturnTypeAnnotationAsExpression(node) { + checkTypeNodeAsExpression(node.type); + } + /** Checks the type annotation of the parameters of a function/method or the constructor of a class as expressions */ + function checkParameterTypeAnnotationsAsExpressions(node) { + // ensure all type annotations with a value declaration are checked as an expression + for (var _i = 0, _a = node.parameters; _i < _a.length; _i++) { + var parameter = _a[_i]; + checkTypeAnnotationAsExpression(parameter); + } + } + /** Check the decorators of a node */ + function checkDecorators(node) { + if (!node.decorators) { + return; + } + // skip this check for nodes that cannot have decorators. These should have already had an error reported by + // checkGrammarDecorators. + if (!ts.nodeCanBeDecorated(node)) { + return; + } + if (!compilerOptions.experimentalDecorators) { + error(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning); + } + if (compilerOptions.emitDecoratorMetadata) { + // we only need to perform these checks if we are emitting serialized type metadata for the target of a decorator. + switch (node.kind) { + case 217 /* ClassDeclaration */: + var constructor = ts.getFirstConstructorWithBody(node); + if (constructor) { + checkParameterTypeAnnotationsAsExpressions(constructor); + } + break; + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + checkParameterTypeAnnotationsAsExpressions(node); + checkReturnTypeAnnotationAsExpression(node); + break; + case 142 /* PropertyDeclaration */: + case 139 /* Parameter */: + checkTypeAnnotationAsExpression(node); + break; + } + } + ts.forEach(node.decorators, checkDecorator); + } + function checkFunctionDeclaration(node) { + if (produceDiagnostics) { + checkFunctionOrMethodDeclaration(node) || checkGrammarForGenerator(node); + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkFunctionOrMethodDeclaration(node) { + checkDecorators(node); + checkSignatureDeclaration(node); + var isAsync = ts.isAsyncFunctionLike(node); + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name && node.name.kind === 137 /* ComputedPropertyName */) { + // This check will account for methods in class/interface declarations, + // as well as accessors in classes/object literals + checkComputedPropertyName(node.name); + } + if (!ts.hasDynamicName(node)) { + // first we want to check the local symbol that contain this declaration + // - if node.localSymbol !== undefined - this is current declaration is exported and localSymbol points to the local symbol + // - if node.localSymbol === undefined - this node is non-exported so we can just pick the result of getSymbolOfNode + var symbol = getSymbolOfNode(node); + var localSymbol = node.localSymbol || symbol; + // Since the javascript won't do semantic analysis like typescript, + // if the javascript file comes before the typescript file and both contain same name functions, + // checkFunctionOrConstructorSymbol wouldn't be called if we didnt ignore javascript function. + var firstDeclaration = ts.forEach(localSymbol.declarations, + // Get first non javascript function declaration + function (declaration) { return declaration.kind === node.kind && !ts.isSourceFileJavaScript(ts.getSourceFileOfNode(declaration)) ? + declaration : undefined; }); + // Only type check the symbol once + if (node === firstDeclaration) { + checkFunctionOrConstructorSymbol(localSymbol); + } + if (symbol.parent) { + // run check once for the first declaration + if (ts.getDeclarationOfKind(symbol, node.kind) === node) { + // run check on export symbol to check that modifiers agree across all exported declarations + checkFunctionOrConstructorSymbol(symbol); + } + } + } + checkSourceElement(node.body); + if (!node.asteriskToken) { + var returnOrPromisedType = node.type && (isAsync ? checkAsyncFunctionReturnType(node) : getTypeFromTypeNode(node.type)); + checkAllCodePathsInNonVoidFunctionReturnOrThrow(node, returnOrPromisedType); + } + if (produceDiagnostics && !node.type) { + // Report an implicit any error if there is no body, no explicit return type, and node is not a private method + // in an ambient context + if (compilerOptions.noImplicitAny && ts.nodeIsMissing(node.body) && !isPrivateWithinAmbient(node)) { + reportImplicitAnyError(node, anyType); + } + if (node.asteriskToken && ts.nodeIsPresent(node.body)) { + // A generator with a body and no type annotation can still cause errors. It can error if the + // yielded values have no common supertype, or it can give an implicit any error if it has no + // yielded values. The only way to trigger these errors is to try checking its return type. + getReturnTypeOfSignature(getSignatureFromDeclaration(node)); + } + } + } + function checkBlock(node) { + // Grammar checking for SyntaxKind.Block + if (node.kind === 195 /* Block */) { + checkGrammarStatementInAmbientContext(node); + } + ts.forEach(node.statements, checkSourceElement); + } + function checkCollisionWithArgumentsInGeneratedCode(node) { + // no rest parameters \ declaration context \ overload - no codegen impact + if (!ts.hasRestParameter(node) || ts.isInAmbientContext(node) || ts.nodeIsMissing(node.body)) { + return; + } + ts.forEach(node.parameters, function (p) { + if (p.name && !ts.isBindingPattern(p.name) && p.name.text === argumentsSymbol.name) { + error(p, ts.Diagnostics.Duplicate_identifier_arguments_Compiler_uses_arguments_to_initialize_rest_parameters); + } + }); + } + function needCollisionCheckForIdentifier(node, identifier, name) { + if (!(identifier && identifier.text === name)) { + return false; + } + if (node.kind === 142 /* PropertyDeclaration */ || + node.kind === 141 /* PropertySignature */ || + node.kind === 144 /* MethodDeclaration */ || + node.kind === 143 /* MethodSignature */ || + node.kind === 146 /* GetAccessor */ || + node.kind === 147 /* SetAccessor */) { + // it is ok to have member named '_super' or '_this' - member access is always qualified + return false; + } + if (ts.isInAmbientContext(node)) { + // ambient context - no codegen impact + return false; + } + var root = ts.getRootDeclaration(node); + if (root.kind === 139 /* Parameter */ && ts.nodeIsMissing(root.parent.body)) { + // just an overload - no codegen impact + return false; + } + return true; + } + function checkCollisionWithCapturedThisVariable(node, name) { + if (needCollisionCheckForIdentifier(node, name, "_this")) { + potentialThisCollisions.push(node); + } + } + // this function will run after checking the source file so 'CaptureThis' is correct for all nodes + function checkIfThisIsCapturedInEnclosingScope(node) { + var current = node; + while (current) { + if (getNodeCheckFlags(current) & 4 /* CaptureThis */) { + var isDeclaration_1 = node.kind !== 69 /* Identifier */; + if (isDeclaration_1) { + error(node.name, ts.Diagnostics.Duplicate_identifier_this_Compiler_uses_variable_declaration_this_to_capture_this_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_variable_declaration_this_that_compiler_uses_to_capture_this_reference); + } + return; + } + current = current.parent; + } + } + function checkCollisionWithCapturedSuperVariable(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "_super")) { + return; + } + // bubble up and find containing type + var enclosingClass = ts.getContainingClass(node); + // if containing type was not found or it is ambient - exit (no codegen) + if (!enclosingClass || ts.isInAmbientContext(enclosingClass)) { + return; + } + if (ts.getClassExtendsHeritageClauseElement(enclosingClass)) { + var isDeclaration_2 = node.kind !== 69 /* Identifier */; + if (isDeclaration_2) { + error(node, ts.Diagnostics.Duplicate_identifier_super_Compiler_uses_super_to_capture_base_class_reference); + } + else { + error(node, ts.Diagnostics.Expression_resolves_to_super_that_compiler_uses_to_capture_base_class_reference); + } + } + } + function checkCollisionWithRequireExportsInGeneratedCode(node, name) { + if (!needCollisionCheckForIdentifier(node, name, "require") && !needCollisionCheckForIdentifier(node, name, "exports")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent)) { + // If the declaration happens to be in external module, report error that require and exports are reserved keywords + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkCollisionWithGlobalPromiseInGeneratedCode(node, name) { + if (!compilerOptions.noCustomAsyncPromise) { + return; + } + if (!needCollisionCheckForIdentifier(node, name, "Promise")) { + return; + } + // Uninstantiated modules shouldnt do this check + if (node.kind === 221 /* ModuleDeclaration */ && ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return; + } + // In case of variable declaration, node.parent is variable statement so look at the variable statement's parent + var parent = getDeclarationContainer(node); + if (parent.kind === 251 /* SourceFile */ && ts.isExternalOrCommonJsModule(parent) && parent.flags & 33554432 /* HasAsyncFunctions */) { + // If the declaration happens to be in external module, report error that Promise is a reserved identifier. + error(name, ts.Diagnostics.Duplicate_identifier_0_Compiler_reserves_name_1_in_top_level_scope_of_a_module_containing_async_functions, ts.declarationNameToString(name), ts.declarationNameToString(name)); + } + } + function checkVarDeclaredNamesNotShadowed(node) { + // - ScriptBody : StatementList + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // - Block : { StatementList } + // It is a Syntax Error if any element of the LexicallyDeclaredNames of StatementList + // also occurs in the VarDeclaredNames of StatementList. + // Variable declarations are hoisted to the top of their function scope. They can shadow + // block scoped declarations, which bind tighter. this will not be flagged as duplicate definition + // by the binder as the declaration scope is different. + // A non-initialized declaration is a no-op as the block declaration will resolve before the var + // declaration. the problem is if the declaration has an initializer. this will act as a write to the + // block declared value. this is fine for let, but not const. + // Only consider declarations with initializers, uninitialized const declarations will not + // step on a let/const variable. + // Do not consider const and const declarations, as duplicate block-scoped declarations + // are handled by the binder. + // We are only looking for const declarations that step on let\const declarations from a + // different scope. e.g.: + // { + // const x = 0; // localDeclarationSymbol obtained after name resolution will correspond to this declaration + // const x = 0; // symbol for this declaration will be 'symbol' + // } + // skip block-scoped variables and parameters + if ((ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) !== 0 || ts.isParameterDeclaration(node)) { + return; + } + // skip variable declarations that don't have initializers + // NOTE: in ES6 spec initializer is required in variable declarations where name is binding pattern + // so we'll always treat binding elements as initialized + if (node.kind === 214 /* VariableDeclaration */ && !node.initializer) { + return; + } + var symbol = getSymbolOfNode(node); + if (symbol.flags & 1 /* FunctionScopedVariable */) { + var localDeclarationSymbol = resolveName(node, node.name.text, 3 /* Variable */, /*nodeNotFoundErrorMessage*/ undefined, /*nameArg*/ undefined); + if (localDeclarationSymbol && + localDeclarationSymbol !== symbol && + localDeclarationSymbol.flags & 2 /* BlockScopedVariable */) { + if (getDeclarationFlagsFromSymbol(localDeclarationSymbol) & 24576 /* BlockScoped */) { + var varDeclList = ts.getAncestor(localDeclarationSymbol.valueDeclaration, 215 /* VariableDeclarationList */); + var container = varDeclList.parent.kind === 196 /* VariableStatement */ && varDeclList.parent.parent + ? varDeclList.parent.parent + : undefined; + // names of block-scoped and function scoped variables can collide only + // if block scoped variable is defined in the function\module\source file scope (because of variable hoisting) + var namesShareScope = container && + (container.kind === 195 /* Block */ && ts.isFunctionLike(container.parent) || + container.kind === 222 /* ModuleBlock */ || + container.kind === 221 /* ModuleDeclaration */ || + container.kind === 251 /* SourceFile */); + // here we know that function scoped variable is shadowed by block scoped one + // if they are defined in the same scope - binder has already reported redeclaration error + // otherwise if variable has an initializer - show error that initialization will fail + // since LHS will be block scoped name instead of function scoped + if (!namesShareScope) { + var name_16 = symbolToString(localDeclarationSymbol); + error(node, ts.Diagnostics.Cannot_initialize_outer_scoped_variable_0_in_the_same_scope_as_block_scoped_declaration_1, name_16, name_16); + } + } + } + } + } + // Check that a parameter initializer contains no references to parameters declared to the right of itself + function checkParameterInitializer(node) { + if (ts.getRootDeclaration(node).kind !== 139 /* Parameter */) { + return; + } + var func = ts.getContainingFunction(node); + visit(node.initializer); + function visit(n) { + if (n.kind === 69 /* Identifier */) { + var referencedSymbol = getNodeLinks(n).resolvedSymbol; + // check FunctionLikeDeclaration.locals (stores parameters\function local variable) + // if it contains entry with a specified name and if this entry matches the resolved symbol + if (referencedSymbol && referencedSymbol !== unknownSymbol && getSymbol(func.locals, referencedSymbol.name, 107455 /* Value */) === referencedSymbol) { + if (referencedSymbol.valueDeclaration.kind === 139 /* Parameter */) { + if (referencedSymbol.valueDeclaration === node) { + error(n, ts.Diagnostics.Parameter_0_cannot_be_referenced_in_its_initializer, ts.declarationNameToString(node.name)); + return; + } + if (referencedSymbol.valueDeclaration.pos < node.pos) { + // legal case - parameter initializer references some parameter strictly on left of current parameter declaration + return; + } + } + error(n, ts.Diagnostics.Initializer_of_parameter_0_cannot_reference_identifier_1_declared_after_it, ts.declarationNameToString(node.name), ts.declarationNameToString(n)); + } + } + else { + ts.forEachChild(n, visit); + } + } + } + // Check variable, parameter, or property declaration + function checkVariableLikeDeclaration(node) { + checkDecorators(node); + checkSourceElement(node.type); + // For a computed property, just check the initializer and exit + // Do not use hasDynamicName here, because that returns false for well known symbols. + // We want to perform checkComputedPropertyName for all computed properties, including + // well known symbols. + if (node.name.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.name); + if (node.initializer) { + checkExpressionCached(node.initializer); + } + } + if (node.kind === 166 /* BindingElement */) { + // check computed properties inside property names of binding elements + if (node.propertyName && node.propertyName.kind === 137 /* ComputedPropertyName */) { + checkComputedPropertyName(node.propertyName); + } + } + // For a binding pattern, check contained binding elements + if (ts.isBindingPattern(node.name)) { + ts.forEach(node.name.elements, checkSourceElement); + } + // For a parameter declaration with an initializer, error and exit if the containing function doesn't have a body + if (node.initializer && ts.getRootDeclaration(node).kind === 139 /* Parameter */ && ts.nodeIsMissing(ts.getContainingFunction(node).body)) { + error(node, ts.Diagnostics.A_parameter_initializer_is_only_allowed_in_a_function_or_constructor_implementation); + return; + } + // For a binding pattern, validate the initializer and exit + if (ts.isBindingPattern(node.name)) { + // Don't validate for-in initializer as it is already an error + if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), getWidenedTypeForVariableLikeDeclaration(node), node, /*headMessage*/ undefined); + checkParameterInitializer(node); + } + return; + } + var symbol = getSymbolOfNode(node); + var type = getTypeOfVariableOrParameterOrProperty(symbol); + if (node === symbol.valueDeclaration) { + // Node is the primary declaration of the symbol, just validate the initializer + // Don't validate for-in initializer as it is already an error + if (node.initializer && node.parent.parent.kind !== 203 /* ForInStatement */) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), type, node, /*headMessage*/ undefined); + checkParameterInitializer(node); + } + } + else { + // Node is a secondary declaration, check that type is identical to primary declaration and check that + // initializer is consistent with type associated with the node + var declarationType = getWidenedTypeForVariableLikeDeclaration(node); + if (type !== unknownType && declarationType !== unknownType && !isTypeIdenticalTo(type, declarationType)) { + error(node.name, ts.Diagnostics.Subsequent_variable_declarations_must_have_the_same_type_Variable_0_must_be_of_type_1_but_here_has_type_2, ts.declarationNameToString(node.name), typeToString(type), typeToString(declarationType)); + } + if (node.initializer) { + checkTypeAssignableTo(checkExpressionCached(node.initializer), declarationType, node, /*headMessage*/ undefined); + } + } + if (node.kind !== 142 /* PropertyDeclaration */ && node.kind !== 141 /* PropertySignature */) { + // We know we don't have a binding pattern or computed name here + checkExportsOnMergedDeclarations(node); + if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { + checkVarDeclaredNamesNotShadowed(node); + } + checkCollisionWithCapturedSuperVariable(node, node.name); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + } + function checkVariableDeclaration(node) { + checkGrammarVariableDeclaration(node); + return checkVariableLikeDeclaration(node); + } + function checkBindingElement(node) { + checkGrammarBindingElement(node); + return checkVariableLikeDeclaration(node); + } + function checkVariableStatement(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarVariableDeclarationList(node.declarationList) || checkGrammarForDisallowedLetOrConstStatement(node); + ts.forEach(node.declarationList.declarations, checkSourceElement); + } + function checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) { + // We only disallow modifier on a method declaration if it is a property of object-literal-expression + if (node.modifiers && node.parent.kind === 168 /* ObjectLiteralExpression */) { + if (ts.isAsyncFunctionLike(node)) { + if (node.modifiers.length > 1) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + } + } + function checkExpressionStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + } + function checkIfStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.thenStatement); + if (node.thenStatement.kind === 197 /* EmptyStatement */) { + error(node.thenStatement, ts.Diagnostics.The_body_of_an_if_statement_cannot_be_the_empty_statement); + } + checkSourceElement(node.elseStatement); + } + function checkDoStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkSourceElement(node.statement); + checkExpression(node.expression); + } + function checkWhileStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkExpression(node.expression); + checkSourceElement(node.statement); + } + function checkForStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { + checkGrammarVariableDeclarationList(node.initializer); + } + } + if (node.initializer) { + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + ts.forEach(node.initializer.declarations, checkVariableDeclaration); + } + else { + checkExpression(node.initializer); + } + } + if (node.condition) + checkExpression(node.condition); + if (node.incrementor) + checkExpression(node.incrementor); + checkSourceElement(node.statement); + } + function checkForOfStatement(node) { + checkGrammarForInOrForOfStatement(node); + // Check the LHS and RHS + // If the LHS is a declaration, just check it as a variable declaration, which will in turn check the RHS + // via checkRightHandSideOfForOf. + // If the LHS is an expression, check the LHS, as a destructuring assignment or as a reference. + // Then check that the RHS is assignable to it. + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + checkForInOrForOfVariableDeclaration(node); + } + else { + var varExpr = node.initializer; + var iteratedType = checkRightHandSideOfForOf(node.expression); + // There may be a destructuring assignment on the left side + if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { + // iteratedType may be undefined. In this case, we still want to check the structure of + // varExpr, in particular making sure it's a valid LeftHandSideExpression. But we'd like + // to short circuit the type relation checking as much as possible, so we pass the unknownType. + checkDestructuringAssignment(varExpr, iteratedType || unknownType); + } + else { + var leftType = checkExpression(varExpr); + checkReferenceExpression(varExpr, /*invalidReferenceMessage*/ ts.Diagnostics.Invalid_left_hand_side_in_for_of_statement, + /*constantVariableMessage*/ ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_be_a_previously_defined_constant); + // iteratedType will be undefined if the rightType was missing properties/signatures + // required to get its iteratedType (like [Symbol.iterator] or next). This may be + // because we accessed properties from anyType, or it may have led to an error inside + // getElementTypeOfIterable. + if (iteratedType) { + checkTypeAssignableTo(iteratedType, leftType, varExpr, /*headMessage*/ undefined); + } + } + } + checkSourceElement(node.statement); + } + function checkForInStatement(node) { + // Grammar checking + checkGrammarForInOrForOfStatement(node); + // TypeScript 1.0 spec (April 2014): 5.4 + // In a 'for-in' statement of the form + // for (let VarDecl in Expr) Statement + // VarDecl must be a variable declaration without a type annotation that declares a variable of type Any, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + var variable = node.initializer.declarations[0]; + if (variable && ts.isBindingPattern(variable.name)) { + error(variable.name, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + checkForInOrForOfVariableDeclaration(node); + } + else { + // In a 'for-in' statement of the form + // for (Var in Expr) Statement + // Var must be an expression classified as a reference of type Any or the String primitive type, + // and Expr must be an expression of type Any, an object type, or a type parameter type. + var varExpr = node.initializer; + var leftType = checkExpression(varExpr); + if (varExpr.kind === 167 /* ArrayLiteralExpression */ || varExpr.kind === 168 /* ObjectLiteralExpression */) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_destructuring_pattern); + } + else if (!isTypeAnyOrAllConstituentTypesHaveKind(leftType, 258 /* StringLike */)) { + error(varExpr, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_must_be_of_type_string_or_any); + } + else { + // run check only former check succeeded to avoid cascading errors + checkReferenceExpression(varExpr, ts.Diagnostics.Invalid_left_hand_side_in_for_in_statement, ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_be_a_previously_defined_constant); + } + } + var rightType = checkExpression(node.expression); + // unknownType is returned i.e. if node.expression is identifier whose name cannot be resolved + // in this case error about missing name is already reported - do not report extra one + if (!isTypeAnyOrAllConstituentTypesHaveKind(rightType, 80896 /* ObjectType */ | 512 /* TypeParameter */)) { + error(node.expression, ts.Diagnostics.The_right_hand_side_of_a_for_in_statement_must_be_of_type_any_an_object_type_or_a_type_parameter); + } + checkSourceElement(node.statement); + } + function checkForInOrForOfVariableDeclaration(iterationStatement) { + var variableDeclarationList = iterationStatement.initializer; + // checkGrammarForInOrForOfStatement will check that there is exactly one declaration. + if (variableDeclarationList.declarations.length >= 1) { + var decl = variableDeclarationList.declarations[0]; + checkVariableDeclaration(decl); + } + } + function checkRightHandSideOfForOf(rhsExpression) { + var expressionType = getTypeOfExpression(rhsExpression); + return checkIteratedTypeOrElementType(expressionType, rhsExpression, /*allowStringInput*/ true); + } + function checkIteratedTypeOrElementType(inputType, errorNode, allowStringInput) { + if (isTypeAny(inputType)) { + return inputType; + } + if (languageVersion >= 2 /* ES6 */) { + return checkElementTypeOfIterable(inputType, errorNode); + } + if (allowStringInput) { + return checkElementTypeOfArrayOrString(inputType, errorNode); + } + if (isArrayLikeType(inputType)) { + var indexType = getIndexTypeOfType(inputType, 1 /* Number */); + if (indexType) { + return indexType; + } + } + error(errorNode, ts.Diagnostics.Type_0_is_not_an_array_type, typeToString(inputType)); + return unknownType; + } + /** + * When errorNode is undefined, it means we should not report any errors. + */ + function checkElementTypeOfIterable(iterable, errorNode) { + var elementType = getElementTypeOfIterable(iterable, errorNode); + // Now even though we have extracted the iteratedType, we will have to validate that the type + // passed in is actually an Iterable. + if (errorNode && elementType) { + checkTypeAssignableTo(iterable, createIterableType(elementType), errorNode); + } + return elementType || anyType; + } + /** + * We want to treat type as an iterable, and get the type it is an iterable of. The iterable + * must have the following structure (annotated with the names of the variables below): + * + * { // iterable + * [Symbol.iterator]: { // iteratorFunction + * (): Iterator + * } + * } + * + * T is the type we are after. At every level that involves analyzing return types + * of signatures, we union the return types of all the signatures. + * + * Another thing to note is that at any step of this process, we could run into a dead end, + * meaning either the property is missing, or we run into the anyType. If either of these things + * happens, we return undefined to signal that we could not find the iterated type. If a property + * is missing, and the previous step did not result in 'any', then we also give an error if the + * caller requested it. Then the caller can decide what to do in the case where there is no iterated + * type. This is different from returning anyType, because that would signify that we have matched the + * whole pattern and that T (above) is 'any'. + */ + function getElementTypeOfIterable(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterable = type; + if (!typeAsIterable.iterableElementType) { + // As an optimization, if the type is instantiated directly using the globalIterableType (Iterable), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIterableType) { + typeAsIterable.iterableElementType = type.typeArguments[0]; + } + else { + var iteratorFunction = getTypeOfPropertyOfType(type, ts.getPropertyNameForKnownSymbolName("iterator")); + if (isTypeAny(iteratorFunction)) { + return undefined; + } + var iteratorFunctionSignatures = iteratorFunction ? getSignaturesOfType(iteratorFunction, 0 /* Call */) : emptyArray; + if (iteratorFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.Type_must_have_a_Symbol_iterator_method_that_returns_an_iterator); + } + return undefined; + } + typeAsIterable.iterableElementType = getElementTypeOfIterator(getUnionType(ts.map(iteratorFunctionSignatures, getReturnTypeOfSignature)), errorNode); + } + } + return typeAsIterable.iterableElementType; + } + /** + * This function has very similar logic as getElementTypeOfIterable, except that it operates on + * Iterators instead of Iterables. Here is the structure: + * + * { // iterator + * next: { // iteratorNextFunction + * (): { // iteratorNextResult + * value: T // iteratorNextValue + * } + * } + * } + * + */ + function getElementTypeOfIterator(type, errorNode) { + if (isTypeAny(type)) { + return undefined; + } + var typeAsIterator = type; + if (!typeAsIterator.iteratorElementType) { + // As an optimization, if the type is instantiated directly using the globalIteratorType (Iterator), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIteratorType) { + typeAsIterator.iteratorElementType = type.typeArguments[0]; + } + else { + var iteratorNextFunction = getTypeOfPropertyOfType(type, "next"); + if (isTypeAny(iteratorNextFunction)) { + return undefined; + } + var iteratorNextFunctionSignatures = iteratorNextFunction ? getSignaturesOfType(iteratorNextFunction, 0 /* Call */) : emptyArray; + if (iteratorNextFunctionSignatures.length === 0) { + if (errorNode) { + error(errorNode, ts.Diagnostics.An_iterator_must_have_a_next_method); + } + return undefined; + } + var iteratorNextResult = getUnionType(ts.map(iteratorNextFunctionSignatures, getReturnTypeOfSignature)); + if (isTypeAny(iteratorNextResult)) { + return undefined; + } + var iteratorNextValue = getTypeOfPropertyOfType(iteratorNextResult, "value"); + if (!iteratorNextValue) { + if (errorNode) { + error(errorNode, ts.Diagnostics.The_type_returned_by_the_next_method_of_an_iterator_must_have_a_value_property); + } + return undefined; + } + typeAsIterator.iteratorElementType = iteratorNextValue; + } + } + return typeAsIterator.iteratorElementType; + } + function getElementTypeOfIterableIterator(type) { + if (isTypeAny(type)) { + return undefined; + } + // As an optimization, if the type is instantiated directly using the globalIterableIteratorType (IterableIterator), + // then just grab its type argument. + if ((type.flags & 4096 /* Reference */) && type.target === globalIterableIteratorType) { + return type.typeArguments[0]; + } + return getElementTypeOfIterable(type, /*errorNode*/ undefined) || + getElementTypeOfIterator(type, /*errorNode*/ undefined); + } + /** + * This function does the following steps: + * 1. Break up arrayOrStringType (possibly a union) into its string constituents and array constituents. + * 2. Take the element types of the array constituents. + * 3. Return the union of the element types, and string if there was a string constitutent. + * + * For example: + * string -> string + * number[] -> number + * string[] | number[] -> string | number + * string | number[] -> string | number + * string | string[] | number[] -> string | number + * + * It also errors if: + * 1. Some constituent is neither a string nor an array. + * 2. Some constituent is a string and target is less than ES5 (because in ES3 string is not indexable). + */ + function checkElementTypeOfArrayOrString(arrayOrStringType, errorNode) { + ts.Debug.assert(languageVersion < 2 /* ES6 */); + // After we remove all types that are StringLike, we will know if there was a string constituent + // based on whether the remaining type is the same as the initial type. + var arrayType = arrayOrStringType; + if (arrayOrStringType.flags & 16384 /* Union */) { + arrayType = getUnionType(ts.filter(arrayOrStringType.types, function (t) { return !(t.flags & 258 /* StringLike */); })); + } + else if (arrayOrStringType.flags & 258 /* StringLike */) { + arrayType = emptyUnionType; + } + var hasStringConstituent = arrayOrStringType !== arrayType; + var reportedError = false; + if (hasStringConstituent) { + if (languageVersion < 1 /* ES5 */) { + error(errorNode, ts.Diagnostics.Using_a_string_in_a_for_of_statement_is_only_supported_in_ECMAScript_5_and_higher); + reportedError = true; + } + // Now that we've removed all the StringLike types, if no constituents remain, then the entire + // arrayOrStringType was a string. + if (arrayType === emptyObjectType) { + return stringType; + } + } + if (!isArrayLikeType(arrayType)) { + if (!reportedError) { + // Which error we report depends on whether there was a string constituent. For example, + // if the input type is number | string, we want to say that number is not an array type. + // But if the input was just number, we want to say that number is not an array type + // or a string type. + var diagnostic = hasStringConstituent + ? ts.Diagnostics.Type_0_is_not_an_array_type + : ts.Diagnostics.Type_0_is_not_an_array_type_or_a_string_type; + error(errorNode, diagnostic, typeToString(arrayType)); + } + return hasStringConstituent ? stringType : unknownType; + } + var arrayElementType = getIndexTypeOfType(arrayType, 1 /* Number */) || unknownType; + if (hasStringConstituent) { + // This is just an optimization for the case where arrayOrStringType is string | string[] + if (arrayElementType.flags & 258 /* StringLike */) { + return stringType; + } + return getUnionType([arrayElementType, stringType]); + } + return arrayElementType; + } + function checkBreakOrContinueStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node) || checkGrammarBreakOrContinueStatement(node); + // TODO: Check that target label is valid + } + function isGetAccessorWithAnnotatatedSetAccessor(node) { + return !!(node.kind === 146 /* GetAccessor */ && ts.getSetAccessorTypeAnnotationNode(ts.getDeclarationOfKind(node.symbol, 147 /* SetAccessor */))); + } + function checkReturnStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + var functionBlock = ts.getContainingFunction(node); + if (!functionBlock) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_return_statement_can_only_be_used_within_a_function_body); + } + } + if (node.expression) { + var func = ts.getContainingFunction(node); + if (func) { + var signature = getSignatureFromDeclaration(func); + var returnType = getReturnTypeOfSignature(signature); + var exprType = checkExpressionCached(node.expression); + if (func.asteriskToken) { + // A generator does not need its return expressions checked against its return type. + // Instead, the yield expressions are checked against the element type. + // TODO: Check return expressions of generators when return type tracking is added + // for generators. + return; + } + if (func.kind === 147 /* SetAccessor */) { + error(node.expression, ts.Diagnostics.Setters_cannot_return_a_value); + } + else if (func.kind === 145 /* Constructor */) { + if (!checkTypeAssignableTo(exprType, returnType, node.expression)) { + error(node.expression, ts.Diagnostics.Return_type_of_constructor_signature_must_be_assignable_to_the_instance_type_of_the_class); + } + } + else if (func.type || isGetAccessorWithAnnotatatedSetAccessor(func)) { + if (ts.isAsyncFunctionLike(func)) { + var promisedType = getPromisedType(returnType); + var awaitedType = checkAwaitedType(exprType, node.expression, ts.Diagnostics.Return_expression_in_async_function_does_not_have_a_valid_callable_then_member); + if (promisedType) { + // If the function has a return type, but promisedType is + // undefined, an error will be reported in checkAsyncFunctionReturnType + // so we don't need to report one here. + checkTypeAssignableTo(awaitedType, promisedType, node.expression); + } + } + else { + checkTypeAssignableTo(exprType, returnType, node.expression); + } + } + } + } + } + function checkWithStatement(node) { + // Grammar checking for withStatement + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.parserContextFlags & 8 /* Await */) { + grammarErrorOnFirstToken(node, ts.Diagnostics.with_statements_are_not_allowed_in_an_async_function_block); + } + } + checkExpression(node.expression); + error(node.expression, ts.Diagnostics.All_symbols_within_a_with_block_will_be_resolved_to_any); + } + function checkSwitchStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + var firstDefaultClause; + var hasDuplicateDefaultClause = false; + var expressionType = checkExpression(node.expression); + var expressionTypeIsStringLike = someConstituentTypeHasKind(expressionType, 258 /* StringLike */); + ts.forEach(node.caseBlock.clauses, function (clause) { + // Grammar check for duplicate default clauses, skip if we already report duplicate default clause + if (clause.kind === 245 /* DefaultClause */ && !hasDuplicateDefaultClause) { + if (firstDefaultClause === undefined) { + firstDefaultClause = clause; + } + else { + var sourceFile = ts.getSourceFileOfNode(node); + var start = ts.skipTrivia(sourceFile.text, clause.pos); + var end = clause.statements.length > 0 ? clause.statements[0].pos : clause.end; + grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.A_default_clause_cannot_appear_more_than_once_in_a_switch_statement); + hasDuplicateDefaultClause = true; + } + } + if (produceDiagnostics && clause.kind === 244 /* CaseClause */) { + var caseClause = clause; + // TypeScript 1.0 spec (April 2014):5.9 + // In a 'switch' statement, each 'case' expression must be of a type that is assignable to or from the type of the 'switch' expression. + var caseType = checkExpression(caseClause.expression); + var expressionTypeIsAssignableToCaseType = + // Permit 'number[] | "foo"' to be asserted to 'string'. + (expressionTypeIsStringLike && someConstituentTypeHasKind(caseType, 258 /* StringLike */)) || + isTypeAssignableTo(expressionType, caseType); + if (!expressionTypeIsAssignableToCaseType) { + // 'expressionType is not assignable to caseType', try the reversed check and report errors if it fails + checkTypeAssignableTo(caseType, expressionType, caseClause.expression, /*headMessage*/ undefined); + } + } + ts.forEach(clause.statements, checkSourceElement); + }); + } + function checkLabeledStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + var current = node.parent; + while (current) { + if (ts.isFunctionLike(current)) { + break; + } + if (current.kind === 210 /* LabeledStatement */ && current.label.text === node.label.text) { + var sourceFile = ts.getSourceFileOfNode(node); + grammarErrorOnNode(node.label, ts.Diagnostics.Duplicate_label_0, ts.getTextOfNodeFromSourceText(sourceFile.text, node.label)); + break; + } + current = current.parent; + } + } + // ensure that label is unique + checkSourceElement(node.statement); + } + function checkThrowStatement(node) { + // Grammar checking + if (!checkGrammarStatementInAmbientContext(node)) { + if (node.expression === undefined) { + grammarErrorAfterFirstToken(node, ts.Diagnostics.Line_break_not_permitted_here); + } + } + if (node.expression) { + checkExpression(node.expression); + } + } + function checkTryStatement(node) { + // Grammar checking + checkGrammarStatementInAmbientContext(node); + checkBlock(node.tryBlock); + var catchClause = node.catchClause; + if (catchClause) { + // Grammar checking + if (catchClause.variableDeclaration) { + if (catchClause.variableDeclaration.name.kind !== 69 /* Identifier */) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.name, ts.Diagnostics.Catch_clause_variable_name_must_be_an_identifier); + } + else if (catchClause.variableDeclaration.type) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.type, ts.Diagnostics.Catch_clause_variable_cannot_have_a_type_annotation); + } + else if (catchClause.variableDeclaration.initializer) { + grammarErrorOnFirstToken(catchClause.variableDeclaration.initializer, ts.Diagnostics.Catch_clause_variable_cannot_have_an_initializer); + } + else { + var identifierName = catchClause.variableDeclaration.name.text; + var locals = catchClause.block.locals; + if (locals && ts.hasProperty(locals, identifierName)) { + var localSymbol = locals[identifierName]; + if (localSymbol && (localSymbol.flags & 2 /* BlockScopedVariable */) !== 0) { + grammarErrorOnNode(localSymbol.valueDeclaration, ts.Diagnostics.Cannot_redeclare_identifier_0_in_catch_clause, identifierName); + } + } + } + } + checkBlock(catchClause.block); + } + if (node.finallyBlock) { + checkBlock(node.finallyBlock); + } + } + function checkIndexConstraints(type) { + var declaredNumberIndexer = getIndexDeclarationOfSymbol(type.symbol, 1 /* Number */); + var declaredStringIndexer = getIndexDeclarationOfSymbol(type.symbol, 0 /* String */); + var stringIndexType = getIndexTypeOfType(type, 0 /* String */); + var numberIndexType = getIndexTypeOfType(type, 1 /* Number */); + if (stringIndexType || numberIndexType) { + ts.forEach(getPropertiesOfObjectType(type), function (prop) { + var propType = getTypeOfSymbol(prop); + checkIndexConstraintForProperty(prop, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); + checkIndexConstraintForProperty(prop, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); + }); + if (type.flags & 1024 /* Class */ && ts.isClassLike(type.symbol.valueDeclaration)) { + var classDeclaration = type.symbol.valueDeclaration; + for (var _i = 0, _a = classDeclaration.members; _i < _a.length; _i++) { + var member = _a[_i]; + // Only process instance properties with computed names here. + // Static properties cannot be in conflict with indexers, + // and properties with literal names were already checked. + if (!(member.flags & 64 /* Static */) && ts.hasDynamicName(member)) { + var propType = getTypeOfSymbol(member.symbol); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredStringIndexer, stringIndexType, 0 /* String */); + checkIndexConstraintForProperty(member.symbol, propType, type, declaredNumberIndexer, numberIndexType, 1 /* Number */); + } + } + } + } + var errorNode; + if (stringIndexType && numberIndexType) { + errorNode = declaredNumberIndexer || declaredStringIndexer; + // condition 'errorNode === undefined' may appear if types does not declare nor string neither number indexer + if (!errorNode && (type.flags & 2048 /* Interface */)) { + var someBaseTypeHasBothIndexers = ts.forEach(getBaseTypes(type), function (base) { return getIndexTypeOfType(base, 0 /* String */) && getIndexTypeOfType(base, 1 /* Number */); }); + errorNode = someBaseTypeHasBothIndexers ? undefined : type.symbol.declarations[0]; + } + } + if (errorNode && !isTypeAssignableTo(numberIndexType, stringIndexType)) { + error(errorNode, ts.Diagnostics.Numeric_index_type_0_is_not_assignable_to_string_index_type_1, typeToString(numberIndexType), typeToString(stringIndexType)); + } + function checkIndexConstraintForProperty(prop, propertyType, containingType, indexDeclaration, indexType, indexKind) { + if (!indexType) { + return; + } + // index is numeric and property name is not valid numeric literal + if (indexKind === 1 /* Number */ && !isNumericName(prop.valueDeclaration.name)) { + return; + } + // perform property check if property or indexer is declared in 'type' + // this allows to rule out cases when both property and indexer are inherited from the base class + var errorNode; + if (prop.valueDeclaration.name.kind === 137 /* ComputedPropertyName */ || prop.parent === containingType.symbol) { + errorNode = prop.valueDeclaration; + } + else if (indexDeclaration) { + errorNode = indexDeclaration; + } + else if (containingType.flags & 2048 /* Interface */) { + // for interfaces property and indexer might be inherited from different bases + // check if any base class already has both property and indexer. + // check should be performed only if 'type' is the first type that brings property\indexer together + var someBaseClassHasBothPropertyAndIndexer = ts.forEach(getBaseTypes(containingType), function (base) { return getPropertyOfObjectType(base, prop.name) && getIndexTypeOfType(base, indexKind); }); + errorNode = someBaseClassHasBothPropertyAndIndexer ? undefined : containingType.symbol.declarations[0]; + } + if (errorNode && !isTypeAssignableTo(propertyType, indexType)) { + var errorMessage = indexKind === 0 /* String */ + ? ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_string_index_type_2 + : ts.Diagnostics.Property_0_of_type_1_is_not_assignable_to_numeric_index_type_2; + error(errorNode, errorMessage, symbolToString(prop), typeToString(propertyType), typeToString(indexType)); + } + } + } + function checkTypeNameIsReserved(name, message) { + // TS 1.0 spec (April 2014): 3.6.1 + // The predefined type keywords are reserved and cannot be used as names of user defined types. + switch (name.text) { + case "any": + case "number": + case "boolean": + case "string": + case "symbol": + case "void": + error(name, message, name.text); + } + } + // Check each type parameter and check that list has no duplicate type parameter declarations + function checkTypeParameters(typeParameterDeclarations) { + if (typeParameterDeclarations) { + for (var i = 0, n = typeParameterDeclarations.length; i < n; i++) { + var node = typeParameterDeclarations[i]; + checkTypeParameter(node); + if (produceDiagnostics) { + for (var j = 0; j < i; j++) { + if (typeParameterDeclarations[j].symbol === node.symbol) { + error(node.name, ts.Diagnostics.Duplicate_identifier_0, ts.declarationNameToString(node.name)); + } + } + } + } + } + } + function checkClassExpression(node) { + checkClassLikeDeclaration(node); + checkNodeDeferred(node); + return getTypeOfSymbol(getSymbolOfNode(node)); + } + function checkClassExpressionDeferred(node) { + ts.forEach(node.members, checkSourceElement); + } + function checkClassDeclaration(node) { + if (!node.name && !(node.flags & 512 /* Default */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.A_class_declaration_without_the_default_modifier_must_have_a_name); + } + checkClassLikeDeclaration(node); + ts.forEach(node.members, checkSourceElement); + } + function checkClassLikeDeclaration(node) { + checkGrammarClassDeclarationHeritageClauses(node); + checkDecorators(node); + if (node.name) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Class_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + } + checkTypeParameters(node.typeParameters); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + var staticType = getTypeOfSymbol(symbol); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length && produceDiagnostics) { + var baseType_1 = baseTypes[0]; + var staticBaseType = getBaseConstructorTypeOfClass(type); + checkSourceElement(baseTypeNode.expression); + if (baseTypeNode.typeArguments) { + ts.forEach(baseTypeNode.typeArguments, checkSourceElement); + for (var _i = 0, _a = getConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); _i < _a.length; _i++) { + var constructor = _a[_i]; + if (!checkTypeArgumentConstraints(constructor.typeParameters, baseTypeNode.typeArguments)) { + break; + } + } + } + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType_1, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_extends_base_class_1); + checkTypeAssignableTo(staticType, getTypeWithoutSignatures(staticBaseType), node.name || node, ts.Diagnostics.Class_static_side_0_incorrectly_extends_base_class_static_side_1); + if (!(staticBaseType.symbol && staticBaseType.symbol.flags & 32 /* Class */)) { + // When the static base type is a "class-like" constructor function (but not actually a class), we verify + // that all instantiated base constructor signatures return the same type. We can simply compare the type + // references (as opposed to checking the structure of the types) because elsewhere we have already checked + // that the base type is a class or interface type (and not, for example, an anonymous object type). + var constructors = getInstantiatedConstructorsForTypeArguments(staticBaseType, baseTypeNode.typeArguments); + if (ts.forEach(constructors, function (sig) { return getReturnTypeOfSignature(sig) !== baseType_1; })) { + error(baseTypeNode.expression, ts.Diagnostics.Base_constructors_must_all_have_the_same_return_type); + } + } + checkKindsOfPropertyMemberOverrides(type, baseType_1); + } + } + var implementedTypeNodes = ts.getClassImplementsHeritageClauseElements(node); + if (implementedTypeNodes) { + for (var _b = 0, implementedTypeNodes_1 = implementedTypeNodes; _b < implementedTypeNodes_1.length; _b++) { + var typeRefNode = implementedTypeNodes_1[_b]; + if (!ts.isSupportedExpressionWithTypeArguments(typeRefNode)) { + error(typeRefNode.expression, ts.Diagnostics.A_class_can_only_implement_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(typeRefNode); + if (produceDiagnostics) { + var t = getTypeFromTypeNode(typeRefNode); + if (t !== unknownType) { + var declaredType = (t.flags & 4096 /* Reference */) ? t.target : t; + if (declaredType.flags & (1024 /* Class */ | 2048 /* Interface */)) { + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(t, type.thisType), node.name || node, ts.Diagnostics.Class_0_incorrectly_implements_interface_1); + } + else { + error(typeRefNode, ts.Diagnostics.A_class_may_only_implement_another_class_or_interface); + } + } + } + } + } + if (produceDiagnostics) { + checkIndexConstraints(type); + checkTypeForDuplicateIndexSignatures(node); + } + } + function getTargetSymbol(s) { + // if symbol is instantiated its flags are not copied from the 'target' + // so we'll need to get back original 'target' symbol to work with correct set of flags + return s.flags & 16777216 /* Instantiated */ ? getSymbolLinks(s).target : s; + } + function getClassLikeDeclarationOfSymbol(symbol) { + return ts.forEach(symbol.declarations, function (d) { return ts.isClassLike(d) ? d : undefined; }); + } + function checkKindsOfPropertyMemberOverrides(type, baseType) { + // TypeScript 1.0 spec (April 2014): 8.2.3 + // A derived class inherits all members from its base class it doesn't override. + // Inheritance means that a derived class implicitly contains all non - overridden members of the base class. + // Both public and private property members are inherited, but only public property members can be overridden. + // A property member in a derived class is said to override a property member in a base class + // when the derived class property member has the same name and kind(instance or static) + // as the base class property member. + // The type of an overriding property member must be assignable(section 3.8.4) + // to the type of the overridden property member, or otherwise a compile - time error occurs. + // Base class instance member functions can be overridden by derived class instance member functions, + // but not by other kinds of members. + // Base class instance member variables and accessors can be overridden by + // derived class instance member variables and accessors, but not by other kinds of members. + // NOTE: assignability is checked in checkClassDeclaration + var baseProperties = getPropertiesOfObjectType(baseType); + for (var _i = 0, baseProperties_1 = baseProperties; _i < baseProperties_1.length; _i++) { + var baseProperty = baseProperties_1[_i]; + var base = getTargetSymbol(baseProperty); + if (base.flags & 134217728 /* Prototype */) { + continue; + } + var derived = getTargetSymbol(getPropertyOfObjectType(type, base.name)); + var baseDeclarationFlags = getDeclarationFlagsFromSymbol(base); + ts.Debug.assert(!!derived, "derived should point to something, even if it is the base class' declaration."); + if (derived) { + // In order to resolve whether the inherited method was overriden in the base class or not, + // we compare the Symbols obtained. Since getTargetSymbol returns the symbol on the *uninstantiated* + // type declaration, derived and base resolve to the same symbol even in the case of generic classes. + if (derived === base) { + // derived class inherits base without override/redeclaration + var derivedClassDecl = getClassLikeDeclarationOfSymbol(type.symbol); + // It is an error to inherit an abstract member without implementing it or being declared abstract. + // If there is no declaration for the derived class (as in the case of class expressions), + // then the class cannot be declared abstract. + if (baseDeclarationFlags & 128 /* Abstract */ && (!derivedClassDecl || !(derivedClassDecl.flags & 128 /* Abstract */))) { + if (derivedClassDecl.kind === 189 /* ClassExpression */) { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_expression_does_not_implement_inherited_abstract_member_0_from_class_1, symbolToString(baseProperty), typeToString(baseType)); + } + else { + error(derivedClassDecl, ts.Diagnostics.Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_from_class_2, typeToString(type), symbolToString(baseProperty), typeToString(baseType)); + } + } + } + else { + // derived overrides base. + var derivedDeclarationFlags = getDeclarationFlagsFromSymbol(derived); + if ((baseDeclarationFlags & 16 /* Private */) || (derivedDeclarationFlags & 16 /* Private */)) { + // either base or derived property is private - not override, skip it + continue; + } + if ((baseDeclarationFlags & 64 /* Static */) !== (derivedDeclarationFlags & 64 /* Static */)) { + // value of 'static' is not the same for properties - not override, skip it + continue; + } + if ((base.flags & derived.flags & 8192 /* Method */) || ((base.flags & 98308 /* PropertyOrAccessor */) && (derived.flags & 98308 /* PropertyOrAccessor */))) { + // method is overridden with method or property/accessor is overridden with property/accessor - correct case + continue; + } + var errorMessage = void 0; + if (base.flags & 8192 /* Method */) { + if (derived.flags & 98304 /* Accessor */) { + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_accessor; + } + else { + ts.Debug.assert((derived.flags & 4 /* Property */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_function_1_but_extended_class_2_defines_it_as_instance_member_property; + } + } + else if (base.flags & 4 /* Property */) { + ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_property_1_but_extended_class_2_defines_it_as_instance_member_function; + } + else { + ts.Debug.assert((base.flags & 98304 /* Accessor */) !== 0); + ts.Debug.assert((derived.flags & 8192 /* Method */) !== 0); + errorMessage = ts.Diagnostics.Class_0_defines_instance_member_accessor_1_but_extended_class_2_defines_it_as_instance_member_function; + } + error(derived.valueDeclaration.name, errorMessage, typeToString(baseType), symbolToString(base), typeToString(type)); + } + } + } + } + function isAccessor(kind) { + return kind === 146 /* GetAccessor */ || kind === 147 /* SetAccessor */; + } + function areTypeParametersIdentical(list1, list2) { + if (!list1 && !list2) { + return true; + } + if (!list1 || !list2 || list1.length !== list2.length) { + return false; + } + // TypeScript 1.0 spec (April 2014): + // When a generic interface has multiple declarations, all declarations must have identical type parameter + // lists, i.e. identical type parameter names with identical constraints in identical order. + for (var i = 0, len = list1.length; i < len; i++) { + var tp1 = list1[i]; + var tp2 = list2[i]; + if (tp1.name.text !== tp2.name.text) { + return false; + } + if (!tp1.constraint && !tp2.constraint) { + continue; + } + if (!tp1.constraint || !tp2.constraint) { + return false; + } + if (!isTypeIdenticalTo(getTypeFromTypeNode(tp1.constraint), getTypeFromTypeNode(tp2.constraint))) { + return false; + } + } + return true; + } + function checkInheritedPropertiesAreIdentical(type, typeNode) { + var baseTypes = getBaseTypes(type); + if (baseTypes.length < 2) { + return true; + } + var seen = {}; + ts.forEach(resolveDeclaredMembers(type).declaredProperties, function (p) { seen[p.name] = { prop: p, containingType: type }; }); + var ok = true; + for (var _i = 0, baseTypes_2 = baseTypes; _i < baseTypes_2.length; _i++) { + var base = baseTypes_2[_i]; + var properties = getPropertiesOfObjectType(getTypeWithThisArgument(base, type.thisType)); + for (var _a = 0, properties_4 = properties; _a < properties_4.length; _a++) { + var prop = properties_4[_a]; + if (!ts.hasProperty(seen, prop.name)) { + seen[prop.name] = { prop: prop, containingType: base }; + } + else { + var existing = seen[prop.name]; + var isInheritedProperty = existing.containingType !== type; + if (isInheritedProperty && !isPropertyIdenticalTo(existing.prop, prop)) { + ok = false; + var typeName1 = typeToString(existing.containingType); + var typeName2 = typeToString(base); + var errorInfo = ts.chainDiagnosticMessages(undefined, ts.Diagnostics.Named_property_0_of_types_1_and_2_are_not_identical, symbolToString(prop), typeName1, typeName2); + errorInfo = ts.chainDiagnosticMessages(errorInfo, ts.Diagnostics.Interface_0_cannot_simultaneously_extend_types_1_and_2, typeToString(type), typeName1, typeName2); + diagnostics.add(ts.createDiagnosticForNodeFromMessageChain(typeNode, errorInfo)); + } + } + } + } + return ok; + } + function checkInterfaceDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarInterfaceDeclaration(node); + checkTypeParameters(node.typeParameters); + if (produceDiagnostics) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Interface_name_cannot_be_0); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + var firstInterfaceDecl = ts.getDeclarationOfKind(symbol, 218 /* InterfaceDeclaration */); + if (symbol.declarations.length > 1) { + if (node !== firstInterfaceDecl && !areTypeParametersIdentical(firstInterfaceDecl.typeParameters, node.typeParameters)) { + error(node.name, ts.Diagnostics.All_declarations_of_an_interface_must_have_identical_type_parameters); + } + } + // Only check this symbol once + if (node === firstInterfaceDecl) { + var type = getDeclaredTypeOfSymbol(symbol); + var typeWithThis = getTypeWithThisArgument(type); + // run subsequent checks only if first set succeeded + if (checkInheritedPropertiesAreIdentical(type, node.name)) { + for (var _i = 0, _a = getBaseTypes(type); _i < _a.length; _i++) { + var baseType = _a[_i]; + checkTypeAssignableTo(typeWithThis, getTypeWithThisArgument(baseType, type.thisType), node.name, ts.Diagnostics.Interface_0_incorrectly_extends_interface_1); + } + checkIndexConstraints(type); + } + } + } + ts.forEach(ts.getInterfaceBaseTypeNodes(node), function (heritageElement) { + if (!ts.isSupportedExpressionWithTypeArguments(heritageElement)) { + error(heritageElement.expression, ts.Diagnostics.An_interface_can_only_extend_an_identifier_Slashqualified_name_with_optional_type_arguments); + } + checkTypeReferenceNode(heritageElement); + }); + ts.forEach(node.members, checkSourceElement); + if (produceDiagnostics) { + checkTypeForDuplicateIndexSignatures(node); + } + } + function checkTypeAliasDeclaration(node) { + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Type_alias_name_cannot_be_0); + checkSourceElement(node.type); + } + function computeEnumMemberValues(node) { + var nodeLinks = getNodeLinks(node); + if (!(nodeLinks.flags & 16384 /* EnumValuesComputed */)) { + var enumSymbol = getSymbolOfNode(node); + var enumType = getDeclaredTypeOfSymbol(enumSymbol); + var autoValue = 0; // set to undefined when enum member is non-constant + var ambient = ts.isInAmbientContext(node); + var enumIsConst = ts.isConst(node); + for (var _i = 0, _a = node.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (isComputedNonLiteralName(member.name)) { + error(member.name, ts.Diagnostics.Computed_property_names_are_not_allowed_in_enums); + } + else { + var text = getTextOfPropertyName(member.name); + if (isNumericLiteralName(text)) { + error(member.name, ts.Diagnostics.An_enum_member_cannot_have_a_numeric_name); + } + } + var previousEnumMemberIsNonConstant = autoValue === undefined; + var initializer = member.initializer; + if (initializer) { + autoValue = computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient); + } + else if (ambient && !enumIsConst) { + // In ambient enum declarations that specify no const modifier, enum member declarations + // that omit a value are considered computed members (as opposed to having auto-incremented values assigned). + autoValue = undefined; + } + else if (previousEnumMemberIsNonConstant) { + // If the member declaration specifies no value, the member is considered a constant enum member. + // If the member is the first member in the enum declaration, it is assigned the value zero. + // Otherwise, it is assigned the value of the immediately preceding member plus one, + // and an error occurs if the immediately preceding member is not a constant enum member + error(member.name, ts.Diagnostics.Enum_member_must_have_initializer); + } + if (autoValue !== undefined) { + getNodeLinks(member).enumMemberValue = autoValue; + autoValue++; + } + } + nodeLinks.flags |= 16384 /* EnumValuesComputed */; + } + function computeConstantValueForEnumMemberInitializer(initializer, enumType, enumIsConst, ambient) { + // Controls if error should be reported after evaluation of constant value is completed + // Can be false if another more precise error was already reported during evaluation. + var reportError = true; + var value = evalConstant(initializer); + if (reportError) { + if (value === undefined) { + if (enumIsConst) { + error(initializer, ts.Diagnostics.In_const_enum_declarations_member_initializer_must_be_constant_expression); + } + else if (ambient) { + error(initializer, ts.Diagnostics.In_ambient_enum_declarations_member_initializer_must_be_constant_expression); + } + else { + // Only here do we need to check that the initializer is assignable to the enum type. + checkTypeAssignableTo(checkExpression(initializer), enumType, initializer, /*headMessage*/ undefined); + } + } + else if (enumIsConst) { + if (isNaN(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_disallowed_value_NaN); + } + else if (!isFinite(value)) { + error(initializer, ts.Diagnostics.const_enum_member_initializer_was_evaluated_to_a_non_finite_value); + } + } + } + return value; + function evalConstant(e) { + switch (e.kind) { + case 182 /* PrefixUnaryExpression */: + var value_1 = evalConstant(e.operand); + if (value_1 === undefined) { + return undefined; + } + switch (e.operator) { + case 35 /* PlusToken */: return value_1; + case 36 /* MinusToken */: return -value_1; + case 50 /* TildeToken */: return ~value_1; + } + return undefined; + case 184 /* BinaryExpression */: + var left = evalConstant(e.left); + if (left === undefined) { + return undefined; + } + var right = evalConstant(e.right); + if (right === undefined) { + return undefined; + } + switch (e.operatorToken.kind) { + case 47 /* BarToken */: return left | right; + case 46 /* AmpersandToken */: return left & right; + case 44 /* GreaterThanGreaterThanToken */: return left >> right; + case 45 /* GreaterThanGreaterThanGreaterThanToken */: return left >>> right; + case 43 /* LessThanLessThanToken */: return left << right; + case 48 /* CaretToken */: return left ^ right; + case 37 /* AsteriskToken */: return left * right; + case 39 /* SlashToken */: return left / right; + case 35 /* PlusToken */: return left + right; + case 36 /* MinusToken */: return left - right; + case 40 /* PercentToken */: return left % right; + } + return undefined; + case 8 /* NumericLiteral */: + return +e.text; + case 175 /* ParenthesizedExpression */: + return evalConstant(e.expression); + case 69 /* Identifier */: + case 170 /* ElementAccessExpression */: + case 169 /* PropertyAccessExpression */: + var member = initializer.parent; + var currentType = getTypeOfSymbol(getSymbolOfNode(member.parent)); + var enumType_1; + var propertyName = void 0; + if (e.kind === 69 /* Identifier */) { + // unqualified names can refer to member that reside in different declaration of the enum so just doing name resolution won't work. + // instead pick current enum type and later try to fetch member from the type + enumType_1 = currentType; + propertyName = e.text; + } + else { + var expression = void 0; + if (e.kind === 170 /* ElementAccessExpression */) { + if (e.argumentExpression === undefined || + e.argumentExpression.kind !== 9 /* StringLiteral */) { + return undefined; + } + expression = e.expression; + propertyName = e.argumentExpression.text; + } + else { + expression = e.expression; + propertyName = e.name.text; + } + // expression part in ElementAccess\PropertyAccess should be either identifier or dottedName + var current = expression; + while (current) { + if (current.kind === 69 /* Identifier */) { + break; + } + else if (current.kind === 169 /* PropertyAccessExpression */) { + current = current.expression; + } + else { + return undefined; + } + } + enumType_1 = checkExpression(expression); + // allow references to constant members of other enums + if (!(enumType_1.symbol && (enumType_1.symbol.flags & 384 /* Enum */))) { + return undefined; + } + } + if (propertyName === undefined) { + return undefined; + } + var property = getPropertyOfObjectType(enumType_1, propertyName); + if (!property || !(property.flags & 8 /* EnumMember */)) { + return undefined; + } + var propertyDecl = property.valueDeclaration; + // self references are illegal + if (member === propertyDecl) { + return undefined; + } + // illegal case: forward reference + if (!isBlockScopedNameDeclaredBeforeUse(propertyDecl, member)) { + reportError = false; + error(e, ts.Diagnostics.A_member_initializer_in_a_enum_declaration_cannot_reference_members_declared_after_it_including_members_defined_in_other_enums); + return undefined; + } + return getNodeLinks(propertyDecl).enumMemberValue; + } + } + } + } + function checkEnumDeclaration(node) { + if (!produceDiagnostics) { + return; + } + // Grammar checking + checkGrammarDecorators(node) || checkGrammarModifiers(node); + checkTypeNameIsReserved(node.name, ts.Diagnostics.Enum_name_cannot_be_0); + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + computeEnumMemberValues(node); + var enumIsConst = ts.isConst(node); + if (compilerOptions.isolatedModules && enumIsConst && ts.isInAmbientContext(node)) { + error(node.name, ts.Diagnostics.Ambient_const_enums_are_not_allowed_when_the_isolatedModules_flag_is_provided); + } + // Spec 2014 - Section 9.3: + // It isn't possible for one enum declaration to continue the automatic numbering sequence of another, + // and when an enum type has multiple declarations, only one declaration is permitted to omit a value + // for the first member. + // + // Only perform this check once per symbol + var enumSymbol = getSymbolOfNode(node); + var firstDeclaration = ts.getDeclarationOfKind(enumSymbol, node.kind); + if (node === firstDeclaration) { + if (enumSymbol.declarations.length > 1) { + // check that const is placed\omitted on all enum declarations + ts.forEach(enumSymbol.declarations, function (decl) { + if (ts.isConstEnumDeclaration(decl) !== enumIsConst) { + error(decl.name, ts.Diagnostics.Enum_declarations_must_all_be_const_or_non_const); + } + }); + } + var seenEnumMissingInitialInitializer_1 = false; + ts.forEach(enumSymbol.declarations, function (declaration) { + // return true if we hit a violation of the rule, false otherwise + if (declaration.kind !== 220 /* EnumDeclaration */) { + return false; + } + var enumDeclaration = declaration; + if (!enumDeclaration.members.length) { + return false; + } + var firstEnumMember = enumDeclaration.members[0]; + if (!firstEnumMember.initializer) { + if (seenEnumMissingInitialInitializer_1) { + error(firstEnumMember.name, ts.Diagnostics.In_an_enum_with_multiple_declarations_only_one_declaration_can_omit_an_initializer_for_its_first_enum_element); + } + else { + seenEnumMissingInitialInitializer_1 = true; + } + } + }); + } + } + function getFirstNonAmbientClassOrFunctionDeclaration(symbol) { + var declarations = symbol.declarations; + for (var _i = 0, declarations_5 = declarations; _i < declarations_5.length; _i++) { + var declaration = declarations_5[_i]; + if ((declaration.kind === 217 /* ClassDeclaration */ || + (declaration.kind === 216 /* FunctionDeclaration */ && ts.nodeIsPresent(declaration.body))) && + !ts.isInAmbientContext(declaration)) { + return declaration; + } + } + return undefined; + } + function inSameLexicalScope(node1, node2) { + var container1 = ts.getEnclosingBlockScopeContainer(node1); + var container2 = ts.getEnclosingBlockScopeContainer(node2); + if (isGlobalSourceFile(container1)) { + return isGlobalSourceFile(container2); + } + else if (isGlobalSourceFile(container2)) { + return false; + } + else { + return container1 === container2; + } + } + function checkModuleDeclaration(node) { + if (produceDiagnostics) { + // Grammar checking + var isGlobalAugmentation = ts.isGlobalScopeAugmentation(node); + var inAmbientContext = ts.isInAmbientContext(node); + if (isGlobalAugmentation && !inAmbientContext) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_should_have_declare_modifier_unless_they_appear_in_already_ambient_context); + } + var isAmbientExternalModule = ts.isAmbientModule(node); + var contextErrorMessage = isAmbientExternalModule + ? ts.Diagnostics.An_ambient_module_declaration_is_only_allowed_at_the_top_level_in_a_file + : ts.Diagnostics.A_namespace_declaration_is_only_allowed_in_a_namespace_or_module; + if (checkGrammarModuleElementContext(node, contextErrorMessage)) { + // If we hit a module declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node)) { + if (!inAmbientContext && node.name.kind === 9 /* StringLiteral */) { + grammarErrorOnNode(node.name, ts.Diagnostics.Only_ambient_modules_can_use_quoted_names); + } + } + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkExportsOnMergedDeclarations(node); + var symbol = getSymbolOfNode(node); + // The following checks only apply on a non-ambient instantiated module declaration. + if (symbol.flags & 512 /* ValueModule */ + && symbol.declarations.length > 1 + && !inAmbientContext + && ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules)) { + var firstNonAmbientClassOrFunc = getFirstNonAmbientClassOrFunctionDeclaration(symbol); + if (firstNonAmbientClassOrFunc) { + if (ts.getSourceFileOfNode(node) !== ts.getSourceFileOfNode(firstNonAmbientClassOrFunc)) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_in_a_different_file_from_a_class_or_function_with_which_it_is_merged); + } + else if (node.pos < firstNonAmbientClassOrFunc.pos) { + error(node.name, ts.Diagnostics.A_namespace_declaration_cannot_be_located_prior_to_a_class_or_function_with_which_it_is_merged); + } + } + // if the module merges with a class declaration in the same lexical scope, + // we need to track this to ensure the correct emit. + var mergedClass = ts.getDeclarationOfKind(symbol, 217 /* ClassDeclaration */); + if (mergedClass && + inSameLexicalScope(node, mergedClass)) { + getNodeLinks(node).flags |= 32768 /* LexicalModuleMergesWithClass */; + } + } + if (isAmbientExternalModule) { + if (ts.isExternalModuleAugmentation(node)) { + // body of the augmentation should be checked for consistency only if augmentation was applied to its target (either global scope or module) + // otherwise we'll be swamped in cascading errors. + // We can detect if augmentation was applied using following rules: + // - augmentation for a global scope is always applied + // - augmentation for some external module is applied if symbol for augmentation is merged (it was combined with target module). + var checkBody = isGlobalAugmentation || (getSymbolOfNode(node).flags & 33554432 /* Merged */); + if (checkBody) { + // body of ambient external module is always a module block + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + checkModuleAugmentationElement(statement, isGlobalAugmentation); + } + } + } + else if (isGlobalSourceFile(node.parent)) { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else if (ts.isExternalModuleNameRelative(node.name.text)) { + error(node.name, ts.Diagnostics.Ambient_module_declaration_cannot_specify_relative_module_name); + } + } + else { + if (isGlobalAugmentation) { + error(node.name, ts.Diagnostics.Augmentations_for_the_global_scope_can_only_be_directly_nested_in_external_modules_or_ambient_module_declarations); + } + else { + // Node is not an augmentation and is not located on the script level. + // This means that this is declaration of ambient module that is located in other module or namespace which is prohibited. + error(node.name, ts.Diagnostics.Ambient_modules_cannot_be_nested_in_other_modules_or_namespaces); + } + } + } + } + checkSourceElement(node.body); + } + function checkModuleAugmentationElement(node, isGlobalAugmentation) { + switch (node.kind) { + case 196 /* VariableStatement */: + // error each individual name in variable statement instead of marking the entire variable statement + for (var _i = 0, _a = node.declarationList.declarations; _i < _a.length; _i++) { + var decl = _a[_i]; + checkModuleAugmentationElement(decl, isGlobalAugmentation); + } + break; + case 230 /* ExportAssignment */: + case 231 /* ExportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Exports_and_export_assignments_are_not_permitted_in_module_augmentations); + break; + case 224 /* ImportEqualsDeclaration */: + if (node.moduleReference.kind !== 9 /* StringLiteral */) { + error(node.name, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + break; + } + // fallthrough + case 225 /* ImportDeclaration */: + grammarErrorOnFirstToken(node, ts.Diagnostics.Imports_are_not_permitted_in_module_augmentations_Consider_moving_them_to_the_enclosing_external_module); + break; + case 166 /* BindingElement */: + case 214 /* VariableDeclaration */: + var name_17 = node.name; + if (ts.isBindingPattern(name_17)) { + for (var _b = 0, _c = name_17.elements; _b < _c.length; _b++) { + var el = _c[_b]; + // mark individual names in binding pattern + checkModuleAugmentationElement(el, isGlobalAugmentation); + } + break; + } + // fallthrough + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 216 /* FunctionDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 219 /* TypeAliasDeclaration */: + var symbol = getSymbolOfNode(node); + if (symbol) { + // module augmentations cannot introduce new names on the top level scope of the module + // this is done it two steps + // 1. quick check - if symbol for node is not merged - this is local symbol to this augmentation - report error + // 2. main check - report error if value declaration of the parent symbol is module augmentation) + var reportError = !(symbol.flags & 33554432 /* Merged */); + if (!reportError) { + if (isGlobalAugmentation) { + // global symbol should not have parent since it is not explicitly exported + reportError = symbol.parent !== undefined; + } + else { + // symbol should not originate in augmentation + reportError = ts.isExternalModuleAugmentation(symbol.parent.valueDeclaration); + } + } + if (reportError) { + error(node, ts.Diagnostics.Module_augmentation_cannot_introduce_new_names_in_the_top_level_scope); + } + } + break; + } + } + function getFirstIdentifier(node) { + while (true) { + if (node.kind === 136 /* QualifiedName */) { + node = node.left; + } + else if (node.kind === 169 /* PropertyAccessExpression */) { + node = node.expression; + } + else { + break; + } + } + ts.Debug.assert(node.kind === 69 /* Identifier */); + return node; + } + function checkExternalImportOrExportDeclaration(node) { + var moduleName = ts.getExternalModuleName(node); + if (!ts.nodeIsMissing(moduleName) && moduleName.kind !== 9 /* StringLiteral */) { + error(moduleName, ts.Diagnostics.String_literal_expected); + return false; + } + var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { + error(moduleName, node.kind === 231 /* ExportDeclaration */ ? + ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace : + ts.Diagnostics.Import_declarations_in_a_namespace_cannot_reference_a_module); + return false; + } + if (inAmbientExternalModule && ts.isExternalModuleNameRelative(moduleName.text)) { + // we have already reported errors on top level imports\exports in external module augmentations in checkModuleDeclaration + // no need to do this again. + if (!isTopLevelInExternalModuleAugmentation(node)) { + // TypeScript 1.0 spec (April 2013): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference + // other external modules only through top - level external module names. + // Relative external module names are not permitted. + error(node, ts.Diagnostics.Import_or_export_declaration_in_an_ambient_module_declaration_cannot_reference_module_through_relative_module_name); + return false; + } + } + return true; + } + function checkAliasSymbol(node) { + var symbol = getSymbolOfNode(node); + var target = resolveAlias(symbol); + if (target !== unknownSymbol) { + var excludedMeanings = (symbol.flags & 107455 /* Value */ ? 107455 /* Value */ : 0) | + (symbol.flags & 793056 /* Type */ ? 793056 /* Type */ : 0) | + (symbol.flags & 1536 /* Namespace */ ? 1536 /* Namespace */ : 0); + if (target.flags & excludedMeanings) { + var message = node.kind === 233 /* ExportSpecifier */ ? + ts.Diagnostics.Export_declaration_conflicts_with_exported_declaration_of_0 : + ts.Diagnostics.Import_declaration_conflicts_with_local_declaration_of_0; + error(node, message, symbolToString(symbol)); + } + } + } + function checkImportBinding(node) { + checkCollisionWithCapturedThisVariable(node, node.name); + checkCollisionWithRequireExportsInGeneratedCode(node, node.name); + checkCollisionWithGlobalPromiseInGeneratedCode(node, node.name); + checkAliasSymbol(node); + } + function checkImportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_import_declaration_cannot_have_modifiers); + } + if (checkExternalImportOrExportDeclaration(node)) { + var importClause = node.importClause; + if (importClause) { + if (importClause.name) { + checkImportBinding(importClause); + } + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + checkImportBinding(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, checkImportBinding); + } + } + } + } + } + function checkImportEqualsDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_import_declaration_can_only_be_used_in_a_namespace_or_module)) { + // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors. + return; + } + checkGrammarDecorators(node) || checkGrammarModifiers(node); + if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) { + checkImportBinding(node); + if (node.flags & 2 /* Export */) { + markExportAsReferenced(node); + } + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + var target = resolveAlias(getSymbolOfNode(node)); + if (target !== unknownSymbol) { + if (target.flags & 107455 /* Value */) { + // Target is a value symbol, check that it is not hidden by a local declaration with the same name + var moduleName = getFirstIdentifier(node.moduleReference); + if (!(resolveEntityName(moduleName, 107455 /* Value */ | 1536 /* Namespace */).flags & 1536 /* Namespace */)) { + error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName)); + } + } + if (target.flags & 793056 /* Type */) { + checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0); + } + } + } + else { + if (modulekind === 5 /* ES6 */ && !ts.isInAmbientContext(node)) { + // Import equals declaration is deprecated in es6 or above + grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead); + } + } + } + } + function checkExportDeclaration(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_declaration_can_only_be_used_in_a_module)) { + // If we hit an export in an illegal context, just bail out to avoid cascading errors. + return; + } + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_declaration_cannot_have_modifiers); + } + if (!node.moduleSpecifier || checkExternalImportOrExportDeclaration(node)) { + if (node.exportClause) { + // export { x, y } + // export { x, y } from "foo" + ts.forEach(node.exportClause.elements, checkExportSpecifier); + var inAmbientExternalModule = node.parent.kind === 222 /* ModuleBlock */ && ts.isAmbientModule(node.parent.parent); + if (node.parent.kind !== 251 /* SourceFile */ && !inAmbientExternalModule) { + error(node, ts.Diagnostics.Export_declarations_are_not_permitted_in_a_namespace); + } + } + else { + // export * from "foo" + var moduleSymbol = resolveExternalModuleName(node, node.moduleSpecifier); + if (moduleSymbol && hasExportAssignmentSymbol(moduleSymbol)) { + error(node.moduleSpecifier, ts.Diagnostics.Module_0_uses_export_and_cannot_be_used_with_export_Asterisk, symbolToString(moduleSymbol)); + } + } + } + } + function checkGrammarModuleElementContext(node, errorMessage) { + if (node.parent.kind !== 251 /* SourceFile */ && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 221 /* ModuleDeclaration */) { + return grammarErrorOnFirstToken(node, errorMessage); + } + } + function checkExportSpecifier(node) { + checkAliasSymbol(node); + if (!node.parent.parent.moduleSpecifier) { + var exportedName = node.propertyName || node.name; + // find immediate value referenced by exported name (SymbolFlags.Alias is set so we don't chase down aliases) + var symbol = resolveName(exportedName, exportedName.text, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */, + /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined); + if (symbol && (symbol === undefinedSymbol || isGlobalSourceFile(getDeclarationContainer(symbol.declarations[0])))) { + error(exportedName, ts.Diagnostics.Cannot_re_export_name_that_is_not_defined_in_the_module); + } + else { + markExportAsReferenced(node); + } + } + } + function checkExportAssignment(node) { + if (checkGrammarModuleElementContext(node, ts.Diagnostics.An_export_assignment_can_only_be_used_in_a_module)) { + // If we hit an export assignment in an illegal context, just bail out to avoid cascading errors. + return; + } + var container = node.parent.kind === 251 /* SourceFile */ ? node.parent : node.parent.parent; + if (container.kind === 221 /* ModuleDeclaration */ && !ts.isAmbientModule(container)) { + error(node, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_namespace); + return; + } + // Grammar checking + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && (node.flags & 1022 /* Modifier */)) { + grammarErrorOnFirstToken(node, ts.Diagnostics.An_export_assignment_cannot_have_modifiers); + } + if (node.expression.kind === 69 /* Identifier */) { + markExportAsReferenced(node); + } + else { + checkExpressionCached(node.expression); + } + checkExternalModuleExports(container); + if (node.isExportEquals && !ts.isInAmbientContext(node)) { + if (modulekind === 5 /* ES6 */) { + // export assignment is not supported in es6 modules + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_cannot_be_used_when_targeting_ECMAScript_6_modules_Consider_using_export_default_or_another_module_format_instead); + } + else if (modulekind === 4 /* System */) { + // system modules does not support export assignment + grammarErrorOnNode(node, ts.Diagnostics.Export_assignment_is_not_supported_when_module_flag_is_system); + } + } + } + function hasExportedMembers(moduleSymbol) { + for (var id in moduleSymbol.exports) { + if (id !== "export=") { + return true; + } + } + return false; + } + function checkExternalModuleExports(node) { + var moduleSymbol = getSymbolOfNode(node); + var links = getSymbolLinks(moduleSymbol); + if (!links.exportsChecked) { + var exportEqualsSymbol = moduleSymbol.exports["export="]; + if (exportEqualsSymbol && hasExportedMembers(moduleSymbol)) { + var declaration = getDeclarationOfAliasSymbol(exportEqualsSymbol) || exportEqualsSymbol.valueDeclaration; + if (!isTopLevelInExternalModuleAugmentation(declaration)) { + error(declaration, ts.Diagnostics.An_export_assignment_cannot_be_used_in_a_module_with_other_exported_elements); + } + } + // Checks for export * conflicts + var exports = getExportsOfModule(moduleSymbol); + for (var id in exports) { + if (id === "__export") { + continue; + } + var _a = exports[id], declarations = _a.declarations, flags = _a.flags; + // ECMA262: 15.2.1.1 It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries. (TS Exceptions: namespaces, function overloads, enums, and interfaces) + if (!(flags & (1536 /* Namespace */ | 64 /* Interface */ | 384 /* Enum */)) && (flags & 524288 /* TypeAlias */ ? declarations.length - 1 : declarations.length) > 1) { + var exportedDeclarations = ts.filter(declarations, isNotOverload); + if (exportedDeclarations.length > 1) { + for (var _i = 0, exportedDeclarations_1 = exportedDeclarations; _i < exportedDeclarations_1.length; _i++) { + var declaration = exportedDeclarations_1[_i]; + diagnostics.add(ts.createDiagnosticForNode(declaration, ts.Diagnostics.Cannot_redeclare_exported_variable_0, id)); + } + } + } + } + links.exportsChecked = true; + } + function isNotOverload(declaration) { + return declaration.kind !== 216 /* FunctionDeclaration */ || !!declaration.body; + } + } + function checkSourceElement(node) { + if (!node) { + return; + } + var kind = node.kind; + if (cancellationToken) { + // Only bother checking on a few construct kinds. We don't want to be excessivly + // hitting the cancellation token on every node we check. + switch (kind) { + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + cancellationToken.throwIfCancellationRequested(); + } + } + switch (kind) { + case 138 /* TypeParameter */: + return checkTypeParameter(node); + case 139 /* Parameter */: + return checkParameter(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return checkPropertyDeclaration(node); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + return checkSignatureDeclaration(node); + case 150 /* IndexSignature */: + return checkSignatureDeclaration(node); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return checkMethodDeclaration(node); + case 145 /* Constructor */: + return checkConstructorDeclaration(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return checkAccessorDeclaration(node); + case 152 /* TypeReference */: + return checkTypeReferenceNode(node); + case 151 /* TypePredicate */: + return checkTypePredicate(node); + case 155 /* TypeQuery */: + return checkTypeQuery(node); + case 156 /* TypeLiteral */: + return checkTypeLiteral(node); + case 157 /* ArrayType */: + return checkArrayType(node); + case 158 /* TupleType */: + return checkTupleType(node); + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return checkUnionOrIntersectionType(node); + case 161 /* ParenthesizedType */: + return checkSourceElement(node.type); + case 216 /* FunctionDeclaration */: + return checkFunctionDeclaration(node); + case 195 /* Block */: + case 222 /* ModuleBlock */: + return checkBlock(node); + case 196 /* VariableStatement */: + return checkVariableStatement(node); + case 198 /* ExpressionStatement */: + return checkExpressionStatement(node); + case 199 /* IfStatement */: + return checkIfStatement(node); + case 200 /* DoStatement */: + return checkDoStatement(node); + case 201 /* WhileStatement */: + return checkWhileStatement(node); + case 202 /* ForStatement */: + return checkForStatement(node); + case 203 /* ForInStatement */: + return checkForInStatement(node); + case 204 /* ForOfStatement */: + return checkForOfStatement(node); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return checkBreakOrContinueStatement(node); + case 207 /* ReturnStatement */: + return checkReturnStatement(node); + case 208 /* WithStatement */: + return checkWithStatement(node); + case 209 /* SwitchStatement */: + return checkSwitchStatement(node); + case 210 /* LabeledStatement */: + return checkLabeledStatement(node); + case 211 /* ThrowStatement */: + return checkThrowStatement(node); + case 212 /* TryStatement */: + return checkTryStatement(node); + case 214 /* VariableDeclaration */: + return checkVariableDeclaration(node); + case 166 /* BindingElement */: + return checkBindingElement(node); + case 217 /* ClassDeclaration */: + return checkClassDeclaration(node); + case 218 /* InterfaceDeclaration */: + return checkInterfaceDeclaration(node); + case 219 /* TypeAliasDeclaration */: + return checkTypeAliasDeclaration(node); + case 220 /* EnumDeclaration */: + return checkEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return checkModuleDeclaration(node); + case 225 /* ImportDeclaration */: + return checkImportDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return checkImportEqualsDeclaration(node); + case 231 /* ExportDeclaration */: + return checkExportDeclaration(node); + case 230 /* ExportAssignment */: + return checkExportAssignment(node); + case 197 /* EmptyStatement */: + checkGrammarStatementInAmbientContext(node); + return; + case 213 /* DebuggerStatement */: + checkGrammarStatementInAmbientContext(node); + return; + case 234 /* MissingDeclaration */: + return checkMissingDeclaration(node); + } + } + // Function and class expression bodies are checked after all statements in the enclosing body. This is + // to ensure constructs like the following are permitted: + // const foo = function () { + // const s = foo(); + // return "hello"; + // } + // Here, performing a full type check of the body of the function expression whilst in the process of + // determining the type of foo would cause foo to be given type any because of the recursive reference. + // Delaying the type check of the body ensures foo has been assigned a type. + function checkNodeDeferred(node) { + if (deferredNodes) { + deferredNodes.push(node); + } + } + function checkDeferredNodes() { + for (var _i = 0, deferredNodes_1 = deferredNodes; _i < deferredNodes_1.length; _i++) { + var node = deferredNodes_1[_i]; + switch (node.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + checkFunctionExpressionOrObjectLiteralMethodDeferred(node); + break; + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + checkAccessorDeferred(node); + break; + case 189 /* ClassExpression */: + checkClassExpressionDeferred(node); + break; + } + } + } + function checkSourceFile(node) { + var start = new Date().getTime(); + checkSourceFileWorker(node); + ts.checkTime += new Date().getTime() - start; + } + // Fully type check a source file and collect the relevant diagnostics. + function checkSourceFileWorker(node) { + var links = getNodeLinks(node); + if (!(links.flags & 1 /* TypeChecked */)) { + // Check whether the file has declared it is the default lib, + // and whether the user has specifically chosen to avoid checking it. + if (compilerOptions.skipDefaultLibCheck) { + // If the user specified '--noLib' and a file has a '/// ', + // then we should treat that file as a default lib. + if (node.hasNoDefaultLib) { + return; + } + } + // Grammar checking + checkGrammarSourceFile(node); + potentialThisCollisions.length = 0; + deferredNodes = []; + ts.forEach(node.statements, checkSourceElement); + checkDeferredNodes(); + deferredNodes = undefined; + if (ts.isExternalOrCommonJsModule(node)) { + checkExternalModuleExports(node); + } + if (potentialThisCollisions.length) { + ts.forEach(potentialThisCollisions, checkIfThisIsCapturedInEnclosingScope); + potentialThisCollisions.length = 0; + } + links.flags |= 1 /* TypeChecked */; + } + } + function getDiagnostics(sourceFile, ct) { + try { + // Record the cancellation token so it can be checked later on during checkSourceElement. + // Do this in a finally block so we can ensure that it gets reset back to nothing after + // this call is done. + cancellationToken = ct; + return getDiagnosticsWorker(sourceFile); + } + finally { + cancellationToken = undefined; + } + } + function getDiagnosticsWorker(sourceFile) { + throwIfNonDiagnosticsProducing(); + if (sourceFile) { + checkSourceFile(sourceFile); + return diagnostics.getDiagnostics(sourceFile.fileName); + } + ts.forEach(host.getSourceFiles(), checkSourceFile); + return diagnostics.getDiagnostics(); + } + function getGlobalDiagnostics() { + throwIfNonDiagnosticsProducing(); + return diagnostics.getGlobalDiagnostics(); + } + function throwIfNonDiagnosticsProducing() { + if (!produceDiagnostics) { + throw new Error("Trying to get diagnostics from a type checker that does not produce them."); + } + } + // Language service support + function isInsideWithStatementBody(node) { + if (node) { + while (node.parent) { + if (node.parent.kind === 208 /* WithStatement */ && node.parent.statement === node) { + return true; + } + node = node.parent; + } + } + return false; + } + function getSymbolsInScope(location, meaning) { + var symbols = {}; + var memberFlags = 0; + if (isInsideWithStatementBody(location)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return []; + } + populateSymbols(); + return symbolsToArray(symbols); + function populateSymbols() { + while (location) { + if (location.locals && !isGlobalSourceFile(location)) { + copySymbols(location.locals, meaning); + } + switch (location.kind) { + case 251 /* SourceFile */: + if (!ts.isExternalOrCommonJsModule(location)) { + break; + } + case 221 /* ModuleDeclaration */: + copySymbols(getSymbolOfNode(location).exports, meaning & 8914931 /* ModuleMember */); + break; + case 220 /* EnumDeclaration */: + copySymbols(getSymbolOfNode(location).exports, meaning & 8 /* EnumMember */); + break; + case 189 /* ClassExpression */: + var className = location.name; + if (className) { + copySymbol(location.symbol, meaning); + } + // fall through; this fall-through is necessary because we would like to handle + // type parameter inside class expression similar to how we handle it in classDeclaration and interface Declaration + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + // If we didn't come from static member of class or interface, + // add the type parameters into the symbol table + // (type parameters of classDeclaration/classExpression and interface are in member property of the symbol. + // Note: that the memberFlags come from previous iteration. + if (!(memberFlags & 64 /* Static */)) { + copySymbols(getSymbolOfNode(location).members, meaning & 793056 /* Type */); + } + break; + case 176 /* FunctionExpression */: + var funcName = location.name; + if (funcName) { + copySymbol(location.symbol, meaning); + } + break; + } + if (ts.introducesArgumentsExoticObject(location)) { + copySymbol(argumentsSymbol, meaning); + } + memberFlags = location.flags; + location = location.parent; + } + copySymbols(globals, meaning); + } + /** + * Copy the given symbol into symbol tables if the symbol has the given meaning + * and it doesn't already existed in the symbol table + * @param key a key for storing in symbol table; if undefined, use symbol.name + * @param symbol the symbol to be added into symbol table + * @param meaning meaning of symbol to filter by before adding to symbol table + */ + function copySymbol(symbol, meaning) { + if (symbol.flags & meaning) { + var id = symbol.name; + // We will copy all symbol regardless of its reserved name because + // symbolsToArray will check whether the key is a reserved name and + // it will not copy symbol with reserved name to the array + if (!ts.hasProperty(symbols, id)) { + symbols[id] = symbol; + } + } + } + function copySymbols(source, meaning) { + if (meaning) { + for (var id in source) { + var symbol = source[id]; + copySymbol(symbol, meaning); + } + } + } + } + function isTypeDeclarationName(name) { + return name.kind === 69 /* Identifier */ && + isTypeDeclaration(name.parent) && + name.parent.name === name; + } + function isTypeDeclaration(node) { + switch (node.kind) { + case 138 /* TypeParameter */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + return true; + } + } + // True if the given identifier is part of a type reference + function isTypeReferenceIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return node.parent && node.parent.kind === 152 /* TypeReference */; + } + function isHeritageClauseElementIdentifier(entityName) { + var node = entityName; + while (node.parent && node.parent.kind === 169 /* PropertyAccessExpression */) { + node = node.parent; + } + return node.parent && node.parent.kind === 191 /* ExpressionWithTypeArguments */; + } + function getLeftSideOfImportEqualsOrExportAssignment(nodeOnRightSide) { + while (nodeOnRightSide.parent.kind === 136 /* QualifiedName */) { + nodeOnRightSide = nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 224 /* ImportEqualsDeclaration */) { + return nodeOnRightSide.parent.moduleReference === nodeOnRightSide && nodeOnRightSide.parent; + } + if (nodeOnRightSide.parent.kind === 230 /* ExportAssignment */) { + return nodeOnRightSide.parent.expression === nodeOnRightSide && nodeOnRightSide.parent; + } + return undefined; + } + function isInRightSideOfImportOrExportAssignment(node) { + return getLeftSideOfImportEqualsOrExportAssignment(node) !== undefined; + } + function getSymbolOfEntityNameOrPropertyAccessExpression(entityName) { + if (ts.isDeclarationName(entityName)) { + return getSymbolOfNode(entityName.parent); + } + if (ts.isInJavaScriptFile(entityName) && entityName.parent.kind === 169 /* PropertyAccessExpression */) { + var specialPropertyAssignmentKind = ts.getSpecialPropertyAssignmentKind(entityName.parent.parent); + switch (specialPropertyAssignmentKind) { + case 1 /* ExportsProperty */: + case 3 /* PrototypeProperty */: + return getSymbolOfNode(entityName.parent); + case 4 /* ThisProperty */: + case 2 /* ModuleExports */: + return getSymbolOfNode(entityName.parent.parent); + default: + } + } + if (entityName.parent.kind === 230 /* ExportAssignment */) { + return resolveEntityName(entityName, + /*all meanings*/ 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + if (entityName.kind !== 169 /* PropertyAccessExpression */) { + if (isInRightSideOfImportOrExportAssignment(entityName)) { + // Since we already checked for ExportAssignment, this really could only be an Import + return getSymbolOfPartOfRightHandSideOfImportEquals(entityName); + } + } + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(entityName)) { + entityName = entityName.parent; + } + if (isHeritageClauseElementIdentifier(entityName)) { + var meaning = 0 /* None */; + // In an interface or class, we're definitely interested in a type. + if (entityName.parent.kind === 191 /* ExpressionWithTypeArguments */) { + meaning = 793056 /* Type */; + // In a class 'extends' clause we are also looking for a value. + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(entityName.parent)) { + meaning |= 107455 /* Value */; + } + } + else { + meaning = 1536 /* Namespace */; + } + meaning |= 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if ((entityName.parent.kind === 238 /* JsxOpeningElement */) || + (entityName.parent.kind === 237 /* JsxSelfClosingElement */) || + (entityName.parent.kind === 240 /* JsxClosingElement */)) { + return getJsxElementTagSymbol(entityName.parent); + } + else if (ts.isExpression(entityName)) { + if (ts.nodeIsMissing(entityName)) { + // Missing entity name. + return undefined; + } + if (entityName.kind === 69 /* Identifier */) { + // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead + // return the alias symbol. + var meaning = 107455 /* Value */ | 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if (entityName.kind === 169 /* PropertyAccessExpression */) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkPropertyAccessExpression(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + else if (entityName.kind === 136 /* QualifiedName */) { + var symbol = getNodeLinks(entityName).resolvedSymbol; + if (!symbol) { + checkQualifiedName(entityName); + } + return getNodeLinks(entityName).resolvedSymbol; + } + } + else if (isTypeReferenceIdentifier(entityName)) { + var meaning = entityName.parent.kind === 152 /* TypeReference */ ? 793056 /* Type */ : 1536 /* Namespace */; + // Include aliases in the meaning, this ensures that we do not follow aliases to where they point and instead + // return the alias symbol. + meaning |= 8388608 /* Alias */; + return resolveEntityName(entityName, meaning); + } + else if (entityName.parent.kind === 241 /* JsxAttribute */) { + return getJsxAttributePropertySymbol(entityName.parent); + } + if (entityName.parent.kind === 151 /* TypePredicate */) { + return resolveEntityName(entityName, /*meaning*/ 1 /* FunctionScopedVariable */); + } + // Do we want to return undefined here? + return undefined; + } + function getSymbolAtLocation(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return undefined; + } + if (ts.isDeclarationName(node)) { + // This is a declaration, call getSymbolOfNode + return getSymbolOfNode(node.parent); + } + if (node.kind === 69 /* Identifier */) { + if (isInRightSideOfImportOrExportAssignment(node)) { + return node.parent.kind === 230 /* ExportAssignment */ + ? getSymbolOfEntityNameOrPropertyAccessExpression(node) + : getSymbolOfPartOfRightHandSideOfImportEquals(node); + } + else if (node.parent.kind === 166 /* BindingElement */ && + node.parent.parent.kind === 164 /* ObjectBindingPattern */ && + node === node.parent.propertyName) { + var typeOfPattern = getTypeOfNode(node.parent.parent); + var propertyDeclaration = typeOfPattern && getPropertyOfType(typeOfPattern, node.text); + if (propertyDeclaration) { + return propertyDeclaration; + } + } + } + switch (node.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + return getSymbolOfEntityNameOrPropertyAccessExpression(node); + case 97 /* ThisKeyword */: + case 95 /* SuperKeyword */: + var type = ts.isExpression(node) ? checkExpression(node) : getTypeFromTypeNode(node); + return type.symbol; + case 162 /* ThisType */: + return getTypeFromTypeNode(node).symbol; + case 121 /* ConstructorKeyword */: + // constructor keyword for an overload, should take us to the definition if it exist + var constructorDeclaration = node.parent; + if (constructorDeclaration && constructorDeclaration.kind === 145 /* Constructor */) { + return constructorDeclaration.parent.symbol; + } + return undefined; + case 9 /* StringLiteral */: + // External module name in an import declaration + if ((ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && + ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node) || + ((node.parent.kind === 225 /* ImportDeclaration */ || node.parent.kind === 231 /* ExportDeclaration */) && + node.parent.moduleSpecifier === node)) { + return resolveExternalModuleName(node, node); + } + // Fall through + case 8 /* NumericLiteral */: + // index access + if (node.parent.kind === 170 /* ElementAccessExpression */ && node.parent.argumentExpression === node) { + var objectType = checkExpression(node.parent.expression); + if (objectType === unknownType) + return undefined; + var apparentType = getApparentType(objectType); + if (apparentType === unknownType) + return undefined; + return getPropertyOfType(apparentType, node.text); + } + break; + } + return undefined; + } + function getShorthandAssignmentValueSymbol(location) { + // The function returns a value symbol of an identifier in the short-hand property assignment. + // This is necessary as an identifier in short-hand property assignment can contains two meaning: + // property name and property value. + if (location && location.kind === 249 /* ShorthandPropertyAssignment */) { + return resolveEntityName(location.name, 107455 /* Value */ | 8388608 /* Alias */); + } + return undefined; + } + /** Returns the target of an export specifier without following aliases */ + function getExportSpecifierLocalTargetSymbol(node) { + return node.parent.parent.moduleSpecifier ? + getExternalModuleMember(node.parent.parent, node) : + resolveEntityName(node.propertyName || node.name, 107455 /* Value */ | 793056 /* Type */ | 1536 /* Namespace */ | 8388608 /* Alias */); + } + function getTypeOfNode(node) { + if (isInsideWithStatementBody(node)) { + // We cannot answer semantic questions within a with block, do not proceed any further + return unknownType; + } + if (ts.isTypeNode(node)) { + return getTypeFromTypeNode(node); + } + if (ts.isExpression(node)) { + return getTypeOfExpression(node); + } + if (ts.isExpressionWithTypeArgumentsInClassExtendsClause(node)) { + // A SyntaxKind.ExpressionWithTypeArguments is considered a type node, except when it occurs in the + // extends clause of a class. We handle that case here. + return getBaseTypes(getDeclaredTypeOfSymbol(getSymbolOfNode(node.parent.parent)))[0]; + } + if (isTypeDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return getDeclaredTypeOfSymbol(symbol); + } + if (isTypeDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getDeclaredTypeOfSymbol(symbol); + } + if (ts.isDeclaration(node)) { + // In this case, we call getSymbolOfNode instead of getSymbolAtLocation because it is a declaration + var symbol = getSymbolOfNode(node); + return getTypeOfSymbol(symbol); + } + if (ts.isDeclarationName(node)) { + var symbol = getSymbolAtLocation(node); + return symbol && getTypeOfSymbol(symbol); + } + if (ts.isBindingPattern(node)) { + return getTypeForVariableLikeDeclaration(node.parent); + } + if (isInRightSideOfImportOrExportAssignment(node)) { + var symbol = getSymbolAtLocation(node); + var declaredType = symbol && getDeclaredTypeOfSymbol(symbol); + return declaredType !== unknownType ? declaredType : getTypeOfSymbol(symbol); + } + return unknownType; + } + function getTypeOfExpression(expr) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(expr)) { + expr = expr.parent; + } + return checkExpression(expr); + } + /** + * Gets either the static or instance type of a class element, based on + * whether the element is declared as "static". + */ + function getParentTypeOfClassElement(node) { + var classSymbol = getSymbolOfNode(node.parent); + return node.flags & 64 /* Static */ + ? getTypeOfSymbol(classSymbol) + : getDeclaredTypeOfSymbol(classSymbol); + } + // Return the list of properties of the given type, augmented with properties from Function + // if the type has call or construct signatures + function getAugmentedPropertiesOfType(type) { + type = getApparentType(type); + var propsByName = createSymbolTable(getPropertiesOfType(type)); + if (getSignaturesOfType(type, 0 /* Call */).length || getSignaturesOfType(type, 1 /* Construct */).length) { + ts.forEach(getPropertiesOfType(globalFunctionType), function (p) { + if (!ts.hasProperty(propsByName, p.name)) { + propsByName[p.name] = p; + } + }); + } + return getNamedMembers(propsByName); + } + function getRootSymbols(symbol) { + if (symbol.flags & 268435456 /* SyntheticProperty */) { + var symbols_3 = []; + var name_18 = symbol.name; + ts.forEach(getSymbolLinks(symbol).containingType.types, function (t) { + var symbol = getPropertyOfType(t, name_18); + if (symbol) { + symbols_3.push(symbol); + } + }); + return symbols_3; + } + else if (symbol.flags & 67108864 /* Transient */) { + var target = getSymbolLinks(symbol).target; + if (target) { + return [target]; + } + } + return [symbol]; + } + // Emitter support + function isArgumentsLocalBinding(node) { + return getReferencedValueSymbol(node) === argumentsSymbol; + } + function moduleExportsSomeValue(moduleReferenceExpression) { + var moduleSymbol = resolveExternalModuleName(moduleReferenceExpression.parent, moduleReferenceExpression); + if (!moduleSymbol) { + // module not found - be conservative + return true; + } + var hasExportAssignment = hasExportAssignmentSymbol(moduleSymbol); + // if module has export assignment then 'resolveExternalModuleSymbol' will return resolved symbol for export assignment + // otherwise it will return moduleSymbol itself + moduleSymbol = resolveExternalModuleSymbol(moduleSymbol); + var symbolLinks = getSymbolLinks(moduleSymbol); + if (symbolLinks.exportsSomeValue === undefined) { + // for export assignments - check if resolved symbol for RHS is itself a value + // otherwise - check if at least one export is value + symbolLinks.exportsSomeValue = hasExportAssignment + ? !!(moduleSymbol.flags & 107455 /* Value */) + : ts.forEachValue(getExportsOfModule(moduleSymbol), isValue); + } + return symbolLinks.exportsSomeValue; + function isValue(s) { + s = resolveSymbol(s); + return s && !!(s.flags & 107455 /* Value */); + } + } + // When resolved as an expression identifier, if the given node references an exported entity, return the declaration + // node of the exported entity's container. Otherwise, return undefined. + function getReferencedExportContainer(node) { + var symbol = getReferencedValueSymbol(node); + if (symbol) { + if (symbol.flags & 1048576 /* ExportValue */) { + // If we reference an exported entity within the same module declaration, then whether + // we prefix depends on the kind of entity. SymbolFlags.ExportHasLocal encompasses all the + // kinds that we do NOT prefix. + var exportSymbol = getMergedSymbol(symbol.exportSymbol); + if (exportSymbol.flags & 944 /* ExportHasLocal */) { + return undefined; + } + symbol = exportSymbol; + } + var parentSymbol = getParentOfSymbol(symbol); + if (parentSymbol) { + if (parentSymbol.flags & 512 /* ValueModule */ && parentSymbol.valueDeclaration.kind === 251 /* SourceFile */) { + return parentSymbol.valueDeclaration; + } + for (var n = node.parent; n; n = n.parent) { + if ((n.kind === 221 /* ModuleDeclaration */ || n.kind === 220 /* EnumDeclaration */) && getSymbolOfNode(n) === parentSymbol) { + return n; + } + } + } + } + } + // When resolved as an expression identifier, if the given node references an import, return the declaration of + // that import. Otherwise, return undefined. + function getReferencedImportDeclaration(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && symbol.flags & 8388608 /* Alias */ ? getDeclarationOfAliasSymbol(symbol) : undefined; + } + function isSymbolOfDeclarationWithCollidingName(symbol) { + if (symbol.flags & 418 /* BlockScoped */) { + var links = getSymbolLinks(symbol); + if (links.isDeclaratonWithCollidingName === undefined) { + var container = ts.getEnclosingBlockScopeContainer(symbol.valueDeclaration); + if (ts.isStatementWithLocals(container)) { + var nodeLinks_1 = getNodeLinks(symbol.valueDeclaration); + if (!!resolveName(container.parent, symbol.name, 107455 /* Value */, /*nameNotFoundMessage*/ undefined, /*nameArg*/ undefined)) { + // redeclaration - always should be renamed + links.isDeclaratonWithCollidingName = true; + } + else if (nodeLinks_1.flags & 131072 /* CapturedBlockScopedBinding */) { + // binding is captured in the function + // should be renamed if: + // - binding is not top level - top level bindings never collide with anything + // AND + // - binding is not declared in loop, should be renamed to avoid name reuse across siblings + // let a, b + // { let x = 1; a = () => x; } + // { let x = 100; b = () => x; } + // console.log(a()); // should print '1' + // console.log(b()); // should print '100' + // OR + // - binding is declared inside loop but not in inside initializer of iteration statement or directly inside loop body + // * variables from initializer are passed to rewritted loop body as parameters so they are not captured directly + // * variables that are declared immediately in loop body will become top level variable after loop is rewritten and thus + // they will not collide with anything + var isDeclaredInLoop = nodeLinks_1.flags & 262144 /* BlockScopedBindingInLoop */; + var inLoopInitializer = ts.isIterationStatement(container, /*lookInLabeledStatements*/ false); + var inLoopBodyBlock = container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false); + links.isDeclaratonWithCollidingName = !ts.isBlockScopedContainerTopLevel(container) && (!isDeclaredInLoop || (!inLoopInitializer && !inLoopBodyBlock)); + } + else { + links.isDeclaratonWithCollidingName = false; + } + } + } + return links.isDeclaratonWithCollidingName; + } + return false; + } + // When resolved as an expression identifier, if the given node references a nested block scoped entity with + // a name that either hides an existing name or might hide it when compiled downlevel, + // return the declaration of that entity. Otherwise, return undefined. + function getReferencedDeclarationWithCollidingName(node) { + var symbol = getReferencedValueSymbol(node); + return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined; + } + // Return true if the given node is a declaration of a nested block scoped entity with a name that either hides an + // existing name or might hide a name when compiled downlevel + function isDeclarationWithCollidingName(node) { + return isSymbolOfDeclarationWithCollidingName(getSymbolOfNode(node)); + } + function isValueAliasDeclaration(node) { + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + return isAliasResolvedToValue(getSymbolOfNode(node)); + case 231 /* ExportDeclaration */: + var exportClause = node.exportClause; + return exportClause && ts.forEach(exportClause.elements, isValueAliasDeclaration); + case 230 /* ExportAssignment */: + return node.expression && node.expression.kind === 69 /* Identifier */ ? isAliasResolvedToValue(getSymbolOfNode(node)) : true; + } + return false; + } + function isTopLevelValueImportEqualsWithEntityName(node) { + if (node.parent.kind !== 251 /* SourceFile */ || !ts.isInternalModuleImportEqualsDeclaration(node)) { + // parent is not source file or it is not reference to internal module + return false; + } + var isValue = isAliasResolvedToValue(getSymbolOfNode(node)); + return isValue && node.moduleReference && !ts.nodeIsMissing(node.moduleReference); + } + function isAliasResolvedToValue(symbol) { + var target = resolveAlias(symbol); + if (target === unknownSymbol && compilerOptions.isolatedModules) { + return true; + } + // const enums and modules that contain only const enums are not considered values from the emit perespective + // unless 'preserveConstEnums' option is set to true + return target !== unknownSymbol && + target && + target.flags & 107455 /* Value */ && + (compilerOptions.preserveConstEnums || !isConstEnumOrConstEnumOnlyModule(target)); + } + function isConstEnumOrConstEnumOnlyModule(s) { + return isConstEnumSymbol(s) || s.constEnumOnlyModule; + } + function isReferencedAliasDeclaration(node, checkChildren) { + if (ts.isAliasSymbolDeclaration(node)) { + var symbol = getSymbolOfNode(node); + if (getSymbolLinks(symbol).referenced) { + return true; + } + } + if (checkChildren) { + return ts.forEachChild(node, function (node) { return isReferencedAliasDeclaration(node, checkChildren); }); + } + return false; + } + function isImplementationOfOverload(node) { + if (ts.nodeIsPresent(node.body)) { + var symbol = getSymbolOfNode(node); + var signaturesOfSymbol = getSignaturesOfSymbol(symbol); + // If this function body corresponds to function with multiple signature, it is implementation of overload + // e.g.: function foo(a: string): string; + // function foo(a: number): number; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + return signaturesOfSymbol.length > 1 || + // If there is single signature for the symbol, it is overload if that signature isn't coming from the node + // e.g.: function foo(a: string): string; + // function foo(a: any) { // This is implementation of the overloads + // return a; + // } + (signaturesOfSymbol.length === 1 && signaturesOfSymbol[0].declaration !== node); + } + return false; + } + function getNodeCheckFlags(node) { + return getNodeLinks(node).flags; + } + function getEnumMemberValue(node) { + computeEnumMemberValues(node.parent); + return getNodeLinks(node).enumMemberValue; + } + function getConstantValue(node) { + if (node.kind === 250 /* EnumMember */) { + return getEnumMemberValue(node); + } + var symbol = getNodeLinks(node).resolvedSymbol; + if (symbol && (symbol.flags & 8 /* EnumMember */)) { + // inline property\index accesses only for const enums + if (ts.isConstEnumDeclaration(symbol.valueDeclaration.parent)) { + return getEnumMemberValue(symbol.valueDeclaration); + } + } + return undefined; + } + function isFunctionType(type) { + return type.flags & 80896 /* ObjectType */ && getSignaturesOfType(type, 0 /* Call */).length > 0; + } + function getTypeReferenceSerializationKind(typeName) { + // Resolve the symbol as a value to ensure the type can be reached at runtime during emit. + var valueSymbol = resolveEntityName(typeName, 107455 /* Value */, /*ignoreErrors*/ true); + var constructorType = valueSymbol ? getTypeOfSymbol(valueSymbol) : undefined; + if (constructorType && isConstructorType(constructorType)) { + return ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue; + } + // Resolve the symbol as a type so that we can provide a more useful hint for the type serializer. + var typeSymbol = resolveEntityName(typeName, 793056 /* Type */, /*ignoreErrors*/ true); + // We might not be able to resolve type symbol so use unknown type in that case (eg error case) + if (!typeSymbol) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + var type = getDeclaredTypeOfSymbol(typeSymbol); + if (type === unknownType) { + return ts.TypeReferenceSerializationKind.Unknown; + } + else if (type.flags & 1 /* Any */) { + return ts.TypeReferenceSerializationKind.ObjectType; + } + else if (allConstituentTypesHaveKind(type, 16 /* Void */)) { + return ts.TypeReferenceSerializationKind.VoidType; + } + else if (allConstituentTypesHaveKind(type, 8 /* Boolean */)) { + return ts.TypeReferenceSerializationKind.BooleanType; + } + else if (allConstituentTypesHaveKind(type, 132 /* NumberLike */)) { + return ts.TypeReferenceSerializationKind.NumberLikeType; + } + else if (allConstituentTypesHaveKind(type, 258 /* StringLike */)) { + return ts.TypeReferenceSerializationKind.StringLikeType; + } + else if (allConstituentTypesHaveKind(type, 8192 /* Tuple */)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else if (allConstituentTypesHaveKind(type, 16777216 /* ESSymbol */)) { + return ts.TypeReferenceSerializationKind.ESSymbolType; + } + else if (isFunctionType(type)) { + return ts.TypeReferenceSerializationKind.TypeWithCallSignature; + } + else if (isArrayType(type)) { + return ts.TypeReferenceSerializationKind.ArrayLikeType; + } + else { + return ts.TypeReferenceSerializationKind.ObjectType; + } + } + function writeTypeOfDeclaration(declaration, enclosingDeclaration, flags, writer) { + // Get type of the symbol if this is the valid symbol otherwise get type at location + var symbol = getSymbolOfNode(declaration); + var type = symbol && !(symbol.flags & (2048 /* TypeLiteral */ | 131072 /* Signature */)) + ? getTypeOfSymbol(symbol) + : unknownType; + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function writeReturnTypeOfSignatureDeclaration(signatureDeclaration, enclosingDeclaration, flags, writer) { + var signature = getSignatureFromDeclaration(signatureDeclaration); + getSymbolDisplayBuilder().buildTypeDisplay(getReturnTypeOfSignature(signature), writer, enclosingDeclaration, flags); + } + function writeTypeOfExpression(expr, enclosingDeclaration, flags, writer) { + var type = getTypeOfExpression(expr); + getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + } + function hasGlobalName(name) { + return ts.hasProperty(globals, name); + } + function getReferencedValueSymbol(reference) { + return getNodeLinks(reference).resolvedSymbol || + resolveName(reference, reference.text, 107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */, + /*nodeNotFoundMessage*/ undefined, /*nameArg*/ undefined); + } + function getReferencedValueDeclaration(reference) { + ts.Debug.assert(!ts.nodeIsSynthesized(reference)); + var symbol = getReferencedValueSymbol(reference); + return symbol && getExportSymbolOfValueSymbolIfExported(symbol).valueDeclaration; + } + function createResolver() { + return { + getReferencedExportContainer: getReferencedExportContainer, + getReferencedImportDeclaration: getReferencedImportDeclaration, + getReferencedDeclarationWithCollidingName: getReferencedDeclarationWithCollidingName, + isDeclarationWithCollidingName: isDeclarationWithCollidingName, + isValueAliasDeclaration: isValueAliasDeclaration, + hasGlobalName: hasGlobalName, + isReferencedAliasDeclaration: isReferencedAliasDeclaration, + getNodeCheckFlags: getNodeCheckFlags, + isTopLevelValueImportEqualsWithEntityName: isTopLevelValueImportEqualsWithEntityName, + isDeclarationVisible: isDeclarationVisible, + isImplementationOfOverload: isImplementationOfOverload, + writeTypeOfDeclaration: writeTypeOfDeclaration, + writeReturnTypeOfSignatureDeclaration: writeReturnTypeOfSignatureDeclaration, + writeTypeOfExpression: writeTypeOfExpression, + isSymbolAccessible: isSymbolAccessible, + isEntityNameVisible: isEntityNameVisible, + getConstantValue: getConstantValue, + collectLinkedAliases: collectLinkedAliases, + getReferencedValueDeclaration: getReferencedValueDeclaration, + getTypeReferenceSerializationKind: getTypeReferenceSerializationKind, + isOptionalParameter: isOptionalParameter, + moduleExportsSomeValue: moduleExportsSomeValue, + isArgumentsLocalBinding: isArgumentsLocalBinding, + getExternalModuleFileFromDeclaration: getExternalModuleFileFromDeclaration + }; + } + function getExternalModuleFileFromDeclaration(declaration) { + var specifier = ts.getExternalModuleName(declaration); + var moduleSymbol = resolveExternalModuleNameWorker(specifier, specifier, /*moduleNotFoundError*/ undefined); + if (!moduleSymbol) { + return undefined; + } + return ts.getDeclarationOfKind(moduleSymbol, 251 /* SourceFile */); + } + function initializeTypeChecker() { + // Bind all source files and propagate errors + ts.forEach(host.getSourceFiles(), function (file) { + ts.bindSourceFile(file, compilerOptions); + }); + var augmentations; + // Initialize global symbol table + ts.forEach(host.getSourceFiles(), function (file) { + if (!ts.isExternalOrCommonJsModule(file)) { + mergeSymbolTable(globals, file.locals); + } + if (file.moduleAugmentations.length) { + (augmentations || (augmentations = [])).push(file.moduleAugmentations); + } + }); + if (augmentations) { + // merge module augmentations. + // this needs to be done after global symbol table is initialized to make sure that all ambient modules are indexed + for (var _i = 0, augmentations_1 = augmentations; _i < augmentations_1.length; _i++) { + var list = augmentations_1[_i]; + for (var _a = 0, list_2 = list; _a < list_2.length; _a++) { + var augmentation = list_2[_a]; + mergeModuleAugmentation(augmentation); + } + } + } + // Setup global builtins + addToSymbolTable(globals, builtinGlobals, ts.Diagnostics.Declaration_name_conflicts_with_built_in_global_identifier_0); + getSymbolLinks(undefinedSymbol).type = undefinedType; + getSymbolLinks(argumentsSymbol).type = getGlobalType("IArguments"); + getSymbolLinks(unknownSymbol).type = unknownType; + // Initialize special types + globalArrayType = getGlobalType("Array", /*arity*/ 1); + globalObjectType = getGlobalType("Object"); + globalFunctionType = getGlobalType("Function"); + globalStringType = getGlobalType("String"); + globalNumberType = getGlobalType("Number"); + globalBooleanType = getGlobalType("Boolean"); + globalRegExpType = getGlobalType("RegExp"); + jsxElementType = getExportedTypeFromNamespace("JSX", JsxNames.Element); + getGlobalClassDecoratorType = ts.memoize(function () { return getGlobalType("ClassDecorator"); }); + getGlobalPropertyDecoratorType = ts.memoize(function () { return getGlobalType("PropertyDecorator"); }); + getGlobalMethodDecoratorType = ts.memoize(function () { return getGlobalType("MethodDecorator"); }); + getGlobalParameterDecoratorType = ts.memoize(function () { return getGlobalType("ParameterDecorator"); }); + getGlobalTypedPropertyDescriptorType = ts.memoize(function () { return getGlobalType("TypedPropertyDescriptor", /*arity*/ 1); }); + getGlobalPromiseType = ts.memoize(function () { return getGlobalType("Promise", /*arity*/ 1); }); + tryGetGlobalPromiseType = ts.memoize(function () { return getGlobalSymbol("Promise", 793056 /* Type */, /*diagnostic*/ undefined) && getGlobalPromiseType(); }); + getGlobalPromiseLikeType = ts.memoize(function () { return getGlobalType("PromiseLike", /*arity*/ 1); }); + getInstantiatedGlobalPromiseLikeType = ts.memoize(createInstantiatedPromiseLikeType); + getGlobalPromiseConstructorSymbol = ts.memoize(function () { return getGlobalValueSymbol("Promise"); }); + getGlobalPromiseConstructorLikeType = ts.memoize(function () { return getGlobalType("PromiseConstructorLike"); }); + getGlobalThenableType = ts.memoize(createThenableType); + // If we're in ES6 mode, load the TemplateStringsArray. + // Otherwise, default to 'unknown' for the purposes of type checking in LS scenarios. + if (languageVersion >= 2 /* ES6 */) { + globalTemplateStringsArrayType = getGlobalType("TemplateStringsArray"); + globalESSymbolType = getGlobalType("Symbol"); + globalESSymbolConstructorSymbol = getGlobalValueSymbol("Symbol"); + globalIterableType = getGlobalType("Iterable", /*arity*/ 1); + globalIteratorType = getGlobalType("Iterator", /*arity*/ 1); + globalIterableIteratorType = getGlobalType("IterableIterator", /*arity*/ 1); + } + else { + globalTemplateStringsArrayType = unknownType; + // Consider putting Symbol interface in lib.d.ts. On the plus side, putting it in lib.d.ts would make it + // extensible for Polyfilling Symbols. But putting it into lib.d.ts could also break users that have + // a global Symbol already, particularly if it is a class. + globalESSymbolType = createAnonymousType(undefined, emptySymbols, emptyArray, emptyArray, undefined, undefined); + globalESSymbolConstructorSymbol = undefined; + globalIterableType = emptyGenericType; + globalIteratorType = emptyGenericType; + globalIterableIteratorType = emptyGenericType; + } + anyArrayType = createArrayType(anyType); + } + function createInstantiatedPromiseLikeType() { + var promiseLikeType = getGlobalPromiseLikeType(); + if (promiseLikeType !== emptyGenericType) { + return createTypeReference(promiseLikeType, [anyType]); + } + return emptyObjectType; + } + function createThenableType() { + // build the thenable type that is used to verify against a non-promise "thenable" operand to `await`. + var thenPropertySymbol = createSymbol(67108864 /* Transient */ | 4 /* Property */, "then"); + getSymbolLinks(thenPropertySymbol).type = globalFunctionType; + var thenableType = createObjectType(65536 /* Anonymous */); + thenableType.properties = [thenPropertySymbol]; + thenableType.members = createSymbolTable(thenableType.properties); + thenableType.callSignatures = []; + thenableType.constructSignatures = []; + return thenableType; + } + // GRAMMAR CHECKING + function checkGrammarDecorators(node) { + if (!node.decorators) { + return false; + } + if (!ts.nodeCanBeDecorated(node)) { + if (node.kind === 144 /* MethodDeclaration */ && !ts.nodeIsPresent(node.body)) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_decorator_can_only_decorate_a_method_implementation_not_an_overload); + } + else { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_are_not_valid_here); + } + } + else if (node.kind === 146 /* GetAccessor */ || node.kind === 147 /* SetAccessor */) { + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + if (accessors.firstAccessor.decorators && node === accessors.secondAccessor) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Decorators_cannot_be_applied_to_multiple_get_Slashset_accessors_of_the_same_name); + } + } + return false; + } + function checkGrammarModifiers(node) { + switch (node.kind) { + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 150 /* IndexSignature */: + case 221 /* ModuleDeclaration */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + case 230 /* ExportAssignment */: + case 139 /* Parameter */: + break; + case 216 /* FunctionDeclaration */: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 118 /* AsyncKeyword */) && + node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 196 /* VariableStatement */: + case 219 /* TypeAliasDeclaration */: + if (node.modifiers && node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + case 220 /* EnumDeclaration */: + if (node.modifiers && (node.modifiers.length > 1 || node.modifiers[0].kind !== 74 /* ConstKeyword */) && + node.parent.kind !== 222 /* ModuleBlock */ && node.parent.kind !== 251 /* SourceFile */) { + return grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_cannot_appear_here); + } + break; + default: + return false; + } + if (!node.modifiers) { + return; + } + var lastStatic, lastPrivate, lastProtected, lastDeclare, lastAsync; + var flags = 0; + for (var _i = 0, _a = node.modifiers; _i < _a.length; _i++) { + var modifier = _a[_i]; + switch (modifier.kind) { + case 74 /* ConstKeyword */: + if (node.kind !== 220 /* EnumDeclaration */ && node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(node, ts.Diagnostics.A_class_member_cannot_have_the_0_keyword, ts.tokenToString(74 /* ConstKeyword */)); + } + break; + case 112 /* PublicKeyword */: + case 111 /* ProtectedKeyword */: + case 110 /* PrivateKeyword */: + var text = void 0; + if (modifier.kind === 112 /* PublicKeyword */) { + text = "public"; + } + else if (modifier.kind === 111 /* ProtectedKeyword */) { + text = "protected"; + lastProtected = modifier; + } + else { + text = "private"; + lastPrivate = modifier; + } + if (flags & 56 /* AccessibilityModifier */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Accessibility_modifier_already_seen); + } + else if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "static"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "async"); + } + else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, text); + } + else if (flags & 128 /* Abstract */) { + if (modifier.kind === 110 /* PrivateKeyword */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, text, "abstract"); + } + else { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, text, "abstract"); + } + } + flags |= ts.modifierToFlag(modifier.kind); + break; + case 113 /* StaticKeyword */: + if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "static"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "static", "async"); + } + else if (node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_module_element, "static"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "static"); + } + else if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + flags |= 64 /* Static */; + lastStatic = modifier; + break; + case 82 /* ExportKeyword */: + if (flags & 2 /* Export */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "export"); + } + else if (flags & 4 /* Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "declare"); + } + else if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "abstract"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_must_precede_1_modifier, "export", "async"); + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "export"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "export"); + } + flags |= 2 /* Export */; + break; + case 122 /* DeclareKeyword */: + if (flags & 4 /* Ambient */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "declare"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_class_element, "declare"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "declare"); + } + else if (ts.isInAmbientContext(node.parent) && node.parent.kind === 222 /* ModuleBlock */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.A_declare_modifier_cannot_be_used_in_an_already_ambient_context); + } + flags |= 4 /* Ambient */; + lastDeclare = modifier; + break; + case 115 /* AbstractKeyword */: + if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "abstract"); + } + if (node.kind !== 217 /* ClassDeclaration */) { + if (node.kind !== 144 /* MethodDeclaration */) { + return grammarErrorOnNode(modifier, ts.Diagnostics.abstract_modifier_can_only_appear_on_a_class_or_method_declaration); + } + if (!(node.parent.kind === 217 /* ClassDeclaration */ && node.parent.flags & 128 /* Abstract */)) { + return grammarErrorOnNode(modifier, ts.Diagnostics.Abstract_methods_can_only_appear_within_an_abstract_class); + } + if (flags & 64 /* Static */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "static", "abstract"); + } + if (flags & 16 /* Private */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract"); + } + } + flags |= 128 /* Abstract */; + break; + case 118 /* AsyncKeyword */: + if (flags & 256 /* Async */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_already_seen, "async"); + } + else if (flags & 4 /* Ambient */ || ts.isInAmbientContext(node.parent)) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_be_used_in_an_ambient_context, "async"); + } + else if (node.kind === 139 /* Parameter */) { + return grammarErrorOnNode(modifier, ts.Diagnostics._0_modifier_cannot_appear_on_a_parameter, "async"); + } + flags |= 256 /* Async */; + lastAsync = modifier; + break; + } + } + if (node.kind === 145 /* Constructor */) { + if (flags & 64 /* Static */) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "static"); + } + if (flags & 128 /* Abstract */) { + return grammarErrorOnNode(lastStatic, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "abstract"); + } + else if (flags & 32 /* Protected */) { + return grammarErrorOnNode(lastProtected, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "protected"); + } + else if (flags & 16 /* Private */) { + return grammarErrorOnNode(lastPrivate, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "private"); + } + else if (flags & 256 /* Async */) { + return grammarErrorOnNode(lastAsync, ts.Diagnostics._0_modifier_cannot_appear_on_a_constructor_declaration, "async"); + } + return; + } + else if ((node.kind === 225 /* ImportDeclaration */ || node.kind === 224 /* ImportEqualsDeclaration */) && flags & 4 /* Ambient */) { + return grammarErrorOnNode(lastDeclare, ts.Diagnostics.A_0_modifier_cannot_be_used_with_an_import_declaration, "declare"); + } + else if (node.kind === 139 /* Parameter */ && (flags & 56 /* AccessibilityModifier */) && ts.isBindingPattern(node.name)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_parameter_property_may_not_be_a_binding_pattern); + } + if (flags & 256 /* Async */) { + return checkGrammarAsyncModifier(node, lastAsync); + } + } + function checkGrammarAsyncModifier(node, asyncModifier) { + if (languageVersion < 2 /* ES6 */) { + return grammarErrorOnNode(asyncModifier, ts.Diagnostics.Async_functions_are_only_available_when_targeting_ECMAScript_6_and_higher); + } + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + if (!node.asteriskToken) { + return false; + } + break; + } + return grammarErrorOnNode(asyncModifier, ts.Diagnostics._0_modifier_cannot_be_used_here, "async"); + } + function checkGrammarForDisallowedTrailingComma(list) { + if (list && list.hasTrailingComma) { + var start = list.end - ",".length; + var end = list.end; + var sourceFile = ts.getSourceFileOfNode(list[0]); + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Trailing_comma_not_allowed); + } + } + function checkGrammarTypeParameterList(node, typeParameters, file) { + if (checkGrammarForDisallowedTrailingComma(typeParameters)) { + return true; + } + if (typeParameters && typeParameters.length === 0) { + var start = typeParameters.pos - "<".length; + var end = ts.skipTrivia(file.text, typeParameters.end) + ">".length; + return grammarErrorAtPos(file, start, end - start, ts.Diagnostics.Type_parameter_list_cannot_be_empty); + } + } + function checkGrammarParameterList(parameters) { + if (checkGrammarForDisallowedTrailingComma(parameters)) { + return true; + } + var seenOptionalParameter = false; + var parameterCount = parameters.length; + for (var i = 0; i < parameterCount; i++) { + var parameter = parameters[i]; + if (parameter.dotDotDotToken) { + if (i !== (parameterCount - 1)) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_rest_parameter_must_be_last_in_a_parameter_list); + } + if (ts.isBindingPattern(parameter.name)) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_rest_parameter_cannot_be_optional); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_rest_parameter_cannot_have_an_initializer); + } + } + else if (parameter.questionToken) { + seenOptionalParameter = true; + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.Parameter_cannot_have_question_mark_and_initializer); + } + } + else if (seenOptionalParameter && !parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.A_required_parameter_cannot_follow_an_optional_parameter); + } + } + } + function checkGrammarFunctionLikeDeclaration(node) { + // Prevent cascading error by short-circuit + var file = ts.getSourceFileOfNode(node); + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarTypeParameterList(node, node.typeParameters, file) || + checkGrammarParameterList(node.parameters) || checkGrammarArrowFunction(node, file); + } + function checkGrammarArrowFunction(node, file) { + if (node.kind === 177 /* ArrowFunction */) { + var arrowFunction = node; + var startLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.pos).line; + var endLine = ts.getLineAndCharacterOfPosition(file, arrowFunction.equalsGreaterThanToken.end).line; + if (startLine !== endLine) { + return grammarErrorOnNode(arrowFunction.equalsGreaterThanToken, ts.Diagnostics.Line_terminator_not_permitted_before_arrow); + } + } + return false; + } + function checkGrammarIndexSignatureParameters(node) { + var parameter = node.parameters[0]; + if (node.parameters.length !== 1) { + if (parameter) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + else { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_exactly_one_parameter); + } + } + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.An_index_signature_cannot_have_a_rest_parameter); + } + if (parameter.flags & 1022 /* Modifier */) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_accessibility_modifier); + } + if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.An_index_signature_parameter_cannot_have_a_question_mark); + } + if (parameter.initializer) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_cannot_have_an_initializer); + } + if (!parameter.type) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_must_have_a_type_annotation); + } + if (parameter.type.kind !== 130 /* StringKeyword */ && parameter.type.kind !== 128 /* NumberKeyword */) { + return grammarErrorOnNode(parameter.name, ts.Diagnostics.An_index_signature_parameter_type_must_be_string_or_number); + } + if (!node.type) { + return grammarErrorOnNode(node, ts.Diagnostics.An_index_signature_must_have_a_type_annotation); + } + } + function checkGrammarForIndexSignatureModifier(node) { + if (node.flags & 1022 /* Modifier */) { + grammarErrorOnFirstToken(node, ts.Diagnostics.Modifiers_not_permitted_on_index_signature_members); + } + } + function checkGrammarIndexSignature(node) { + // Prevent cascading error by short-circuit + return checkGrammarDecorators(node) || checkGrammarModifiers(node) || checkGrammarIndexSignatureParameters(node) || checkGrammarForIndexSignatureModifier(node); + } + function checkGrammarForAtLeastOneTypeArgument(node, typeArguments) { + if (typeArguments && typeArguments.length === 0) { + var sourceFile = ts.getSourceFileOfNode(node); + var start = typeArguments.pos - "<".length; + var end = ts.skipTrivia(sourceFile.text, typeArguments.end) + ">".length; + return grammarErrorAtPos(sourceFile, start, end - start, ts.Diagnostics.Type_argument_list_cannot_be_empty); + } + } + function checkGrammarTypeArguments(node, typeArguments) { + return checkGrammarForDisallowedTrailingComma(typeArguments) || + checkGrammarForAtLeastOneTypeArgument(node, typeArguments); + } + function checkGrammarForOmittedArgument(node, args) { + if (args) { + var sourceFile = ts.getSourceFileOfNode(node); + for (var _i = 0, args_1 = args; _i < args_1.length; _i++) { + var arg = args_1[_i]; + if (arg.kind === 190 /* OmittedExpression */) { + return grammarErrorAtPos(sourceFile, arg.pos, 0, ts.Diagnostics.Argument_expression_expected); + } + } + } + } + function checkGrammarArguments(node, args) { + return checkGrammarForDisallowedTrailingComma(args) || + checkGrammarForOmittedArgument(node, args); + } + function checkGrammarHeritageClause(node) { + var types = node.types; + if (checkGrammarForDisallowedTrailingComma(types)) { + return true; + } + if (types && types.length === 0) { + var listType = ts.tokenToString(node.token); + var sourceFile = ts.getSourceFileOfNode(node); + return grammarErrorAtPos(sourceFile, types.pos, 0, ts.Diagnostics._0_list_cannot_be_empty, listType); + } + } + function checkGrammarClassDeclarationHeritageClauses(node) { + var seenExtendsClause = false; + var seenImplementsClause = false; + if (!checkGrammarDecorators(node) && !checkGrammarModifiers(node) && node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83 /* ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_must_precede_implements_clause); + } + if (heritageClause.types.length > 1) { + return grammarErrorOnFirstToken(heritageClause.types[1], ts.Diagnostics.Classes_can_only_extend_a_single_class); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); + if (seenImplementsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.implements_clause_already_seen); + } + seenImplementsClause = true; + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + } + function checkGrammarInterfaceDeclaration(node) { + var seenExtendsClause = false; + if (node.heritageClauses) { + for (var _i = 0, _a = node.heritageClauses; _i < _a.length; _i++) { + var heritageClause = _a[_i]; + if (heritageClause.token === 83 /* ExtendsKeyword */) { + if (seenExtendsClause) { + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.extends_clause_already_seen); + } + seenExtendsClause = true; + } + else { + ts.Debug.assert(heritageClause.token === 106 /* ImplementsKeyword */); + return grammarErrorOnFirstToken(heritageClause, ts.Diagnostics.Interface_declaration_cannot_have_implements_clause); + } + // Grammar checking heritageClause inside class declaration + checkGrammarHeritageClause(heritageClause); + } + } + return false; + } + function checkGrammarComputedPropertyName(node) { + // If node is not a computedPropertyName, just skip the grammar checking + if (node.kind !== 137 /* ComputedPropertyName */) { + return false; + } + var computedPropertyName = node; + if (computedPropertyName.expression.kind === 184 /* BinaryExpression */ && computedPropertyName.expression.operatorToken.kind === 24 /* CommaToken */) { + return grammarErrorOnNode(computedPropertyName.expression, ts.Diagnostics.A_comma_expression_is_not_allowed_in_a_computed_property_name); + } + } + function checkGrammarForGenerator(node) { + if (node.asteriskToken) { + ts.Debug.assert(node.kind === 216 /* FunctionDeclaration */ || + node.kind === 176 /* FunctionExpression */ || + node.kind === 144 /* MethodDeclaration */); + if (ts.isInAmbientContext(node)) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_not_allowed_in_an_ambient_context); + } + if (!node.body) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.An_overload_signature_cannot_be_declared_as_a_generator); + } + if (languageVersion < 2 /* ES6 */) { + return grammarErrorOnNode(node.asteriskToken, ts.Diagnostics.Generators_are_only_available_when_targeting_ECMAScript_6_or_higher); + } + } + } + function checkGrammarForInvalidQuestionMark(node, questionToken, message) { + if (questionToken) { + return grammarErrorOnNode(questionToken, message); + } + } + function checkGrammarObjectLiteralExpression(node, inDestructuring) { + var seen = {}; + var Property = 1; + var GetAccessor = 2; + var SetAccesor = 4; + var GetOrSetAccessor = GetAccessor | SetAccesor; + var _loop_1 = function(prop) { + var name_19 = prop.name; + if (prop.kind === 190 /* OmittedExpression */ || + name_19.kind === 137 /* ComputedPropertyName */) { + // If the name is not a ComputedPropertyName, the grammar checking will skip it + checkGrammarComputedPropertyName(name_19); + return "continue"; + } + if (prop.kind === 249 /* ShorthandPropertyAssignment */ && !inDestructuring && prop.objectAssignmentInitializer) { + // having objectAssignmentInitializer is only valid in ObjectAssignmentPattern + // outside of destructuring it is a syntax error + return { value: grammarErrorOnNode(prop.equalsToken, ts.Diagnostics.can_only_be_used_in_an_object_literal_property_inside_a_destructuring_assignment) }; + } + // Modifiers are never allowed on properties except for 'async' on a method declaration + ts.forEach(prop.modifiers, function (mod) { + if (mod.kind !== 118 /* AsyncKeyword */ || prop.kind !== 144 /* MethodDeclaration */) { + grammarErrorOnNode(mod, ts.Diagnostics._0_modifier_cannot_be_used_here, ts.getTextOfNode(mod)); + } + }); + // ECMA-262 11.1.5 Object Initialiser + // If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true + // a.This production is contained in strict code and IsDataDescriptor(previous) is true and + // IsDataDescriptor(propId.descriptor) is true. + // b.IsDataDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true. + // c.IsAccessorDescriptor(previous) is true and IsDataDescriptor(propId.descriptor) is true. + // d.IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true + // and either both previous and propId.descriptor have[[Get]] fields or both previous and propId.descriptor have[[Set]] fields + var currentKind = void 0; + if (prop.kind === 248 /* PropertyAssignment */ || prop.kind === 249 /* ShorthandPropertyAssignment */) { + // Grammar checking for computedPropertName and shorthandPropertyAssignment + checkGrammarForInvalidQuestionMark(prop, prop.questionToken, ts.Diagnostics.An_object_member_cannot_be_declared_optional); + if (name_19.kind === 8 /* NumericLiteral */) { + checkGrammarNumericLiteral(name_19); + } + currentKind = Property; + } + else if (prop.kind === 144 /* MethodDeclaration */) { + currentKind = Property; + } + else if (prop.kind === 146 /* GetAccessor */) { + currentKind = GetAccessor; + } + else if (prop.kind === 147 /* SetAccessor */) { + currentKind = SetAccesor; + } + else { + ts.Debug.fail("Unexpected syntax kind:" + prop.kind); + } + if (!ts.hasProperty(seen, name_19.text)) { + seen[name_19.text] = currentKind; + } + else { + var existingKind = seen[name_19.text]; + if (currentKind === Property && existingKind === Property) { + return "continue"; + } + else if ((currentKind & GetOrSetAccessor) && (existingKind & GetOrSetAccessor)) { + if (existingKind !== GetOrSetAccessor && currentKind !== existingKind) { + seen[name_19.text] = currentKind | existingKind; + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_multiple_get_Slashset_accessors_with_the_same_name) }; + } + } + else { + return { value: grammarErrorOnNode(name_19, ts.Diagnostics.An_object_literal_cannot_have_property_and_accessor_with_the_same_name) }; + } + } + }; + for (var _i = 0, _a = node.properties; _i < _a.length; _i++) { + var prop = _a[_i]; + var state_2 = _loop_1(prop); + if (typeof state_2 === "object") return state_2.value; + if (state_2 === "continue") continue; + } + } + function checkGrammarJsxElement(node) { + var seen = {}; + for (var _i = 0, _a = node.attributes; _i < _a.length; _i++) { + var attr = _a[_i]; + if (attr.kind === 242 /* JsxSpreadAttribute */) { + continue; + } + var jsxAttr = attr; + var name_20 = jsxAttr.name; + if (!ts.hasProperty(seen, name_20.text)) { + seen[name_20.text] = true; + } + else { + return grammarErrorOnNode(name_20, ts.Diagnostics.JSX_elements_cannot_have_multiple_attributes_with_the_same_name); + } + var initializer = jsxAttr.initializer; + if (initializer && initializer.kind === 243 /* JsxExpression */ && !initializer.expression) { + return grammarErrorOnNode(jsxAttr.initializer, ts.Diagnostics.JSX_attributes_must_only_be_assigned_a_non_empty_expression); + } + } + } + function checkGrammarForInOrForOfStatement(forInOrOfStatement) { + if (checkGrammarStatementInAmbientContext(forInOrOfStatement)) { + return true; + } + if (forInOrOfStatement.initializer.kind === 215 /* VariableDeclarationList */) { + var variableList = forInOrOfStatement.initializer; + if (!checkGrammarVariableDeclarationList(variableList)) { + var declarations = variableList.declarations; + // declarations.length can be zero if there is an error in variable declaration in for-of or for-in + // See http://www.ecma-international.org/ecma-262/6.0/#sec-for-in-and-for-of-statements for details + // For example: + // var let = 10; + // for (let of [1,2,3]) {} // this is invalid ES6 syntax + // for (let in [1,2,3]) {} // this is invalid ES6 syntax + // We will then want to skip on grammar checking on variableList declaration + if (!declarations.length) { + return false; + } + if (declarations.length > 1) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_in_statement + : ts.Diagnostics.Only_a_single_variable_declaration_is_allowed_in_a_for_of_statement; + return grammarErrorOnFirstToken(variableList.declarations[1], diagnostic); + } + var firstDeclaration = declarations[0]; + if (firstDeclaration.initializer) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.The_variable_declaration_of_a_for_in_statement_cannot_have_an_initializer + : ts.Diagnostics.The_variable_declaration_of_a_for_of_statement_cannot_have_an_initializer; + return grammarErrorOnNode(firstDeclaration.name, diagnostic); + } + if (firstDeclaration.type) { + var diagnostic = forInOrOfStatement.kind === 203 /* ForInStatement */ + ? ts.Diagnostics.The_left_hand_side_of_a_for_in_statement_cannot_use_a_type_annotation + : ts.Diagnostics.The_left_hand_side_of_a_for_of_statement_cannot_use_a_type_annotation; + return grammarErrorOnNode(firstDeclaration, diagnostic); + } + } + } + return false; + } + function checkGrammarAccessor(accessor) { + var kind = accessor.kind; + if (languageVersion < 1 /* ES5 */) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.Accessors_are_only_available_when_targeting_ECMAScript_5_and_higher); + } + else if (ts.isInAmbientContext(accessor)) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_be_declared_in_an_ambient_context); + } + else if (accessor.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(accessor), accessor.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + else if (accessor.typeParameters) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.An_accessor_cannot_have_type_parameters); + } + else if (kind === 146 /* GetAccessor */ && accessor.parameters.length) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_get_accessor_cannot_have_parameters); + } + else if (kind === 147 /* SetAccessor */) { + if (accessor.type) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_cannot_have_a_return_type_annotation); + } + else if (accessor.parameters.length !== 1) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_must_have_exactly_one_parameter); + } + else { + var parameter = accessor.parameters[0]; + if (parameter.dotDotDotToken) { + return grammarErrorOnNode(parameter.dotDotDotToken, ts.Diagnostics.A_set_accessor_cannot_have_rest_parameter); + } + else if (parameter.flags & 1022 /* Modifier */) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_parameter_property_is_only_allowed_in_a_constructor_implementation); + } + else if (parameter.questionToken) { + return grammarErrorOnNode(parameter.questionToken, ts.Diagnostics.A_set_accessor_cannot_have_an_optional_parameter); + } + else if (parameter.initializer) { + return grammarErrorOnNode(accessor.name, ts.Diagnostics.A_set_accessor_parameter_cannot_have_an_initializer); + } + } + } + } + function checkGrammarForNonSymbolComputedProperty(node, message) { + if (ts.isDynamicName(node)) { + return grammarErrorOnNode(node, message); + } + } + function checkGrammarMethod(node) { + if (checkGrammarDisallowedModifiersOnObjectLiteralExpressionMethod(node) || + checkGrammarFunctionLikeDeclaration(node) || + checkGrammarForGenerator(node)) { + return true; + } + if (node.parent.kind === 168 /* ObjectLiteralExpression */) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + else if (node.body === undefined) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.end - 1, ";".length, ts.Diagnostics._0_expected, "{"); + } + } + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional)) { + return true; + } + // Technically, computed properties in ambient contexts is disallowed + // for property declarations and accessors too, not just methods. + // However, property declarations disallow computed names in general, + // and accessors are not allowed in ambient contexts in general, + // so this error only really matters for methods. + if (ts.isInAmbientContext(node)) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_ambient_context_must_directly_refer_to_a_built_in_symbol); + } + else if (!node.body) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_method_overload_must_directly_refer_to_a_built_in_symbol); + } + } + else if (node.parent.kind === 218 /* InterfaceDeclaration */) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol); + } + else if (node.parent.kind === 156 /* TypeLiteral */) { + return checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol); + } + } + function checkGrammarBreakOrContinueStatement(node) { + var current = node; + while (current) { + if (ts.isFunctionLike(current)) { + return grammarErrorOnNode(node, ts.Diagnostics.Jump_target_cannot_cross_function_boundary); + } + switch (current.kind) { + case 210 /* LabeledStatement */: + if (node.label && current.label.text === node.label.text) { + // found matching label - verify that label usage is correct + // continue can only target labels that are on iteration statements + var isMisplacedContinueLabel = node.kind === 205 /* ContinueStatement */ + && !ts.isIterationStatement(current.statement, /*lookInLabeledStatement*/ true); + if (isMisplacedContinueLabel) { + return grammarErrorOnNode(node, ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement); + } + return false; + } + break; + case 209 /* SwitchStatement */: + if (node.kind === 206 /* BreakStatement */ && !node.label) { + // unlabeled break within switch statement - ok + return false; + } + break; + default: + if (ts.isIterationStatement(current, /*lookInLabeledStatement*/ false) && !node.label) { + // unlabeled break or continue within iteration statement - ok + return false; + } + break; + } + current = current.parent; + } + if (node.label) { + var message = node.kind === 206 /* BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_jump_to_a_label_of_an_enclosing_statement + : ts.Diagnostics.A_continue_statement_can_only_jump_to_a_label_of_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + else { + var message = node.kind === 206 /* BreakStatement */ + ? ts.Diagnostics.A_break_statement_can_only_be_used_within_an_enclosing_iteration_or_switch_statement + : ts.Diagnostics.A_continue_statement_can_only_be_used_within_an_enclosing_iteration_statement; + return grammarErrorOnNode(node, message); + } + } + function checkGrammarBindingElement(node) { + if (node.dotDotDotToken) { + var elements = node.parent.elements; + if (node !== ts.lastOrUndefined(elements)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_rest_element_must_be_last_in_an_array_destructuring_pattern); + } + if (node.name.kind === 165 /* ArrayBindingPattern */ || node.name.kind === 164 /* ObjectBindingPattern */) { + return grammarErrorOnNode(node.name, ts.Diagnostics.A_rest_element_cannot_contain_a_binding_pattern); + } + if (node.initializer) { + // Error on equals token which immediate precedes the initializer + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - 1, 1, ts.Diagnostics.A_rest_element_cannot_have_an_initializer); + } + } + } + function checkGrammarVariableDeclaration(node) { + if (node.parent.parent.kind !== 203 /* ForInStatement */ && node.parent.parent.kind !== 204 /* ForOfStatement */) { + if (ts.isInAmbientContext(node)) { + if (node.initializer) { + // Error on equals token which immediate precedes the initializer + var equalsTokenLength = "=".length; + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.initializer.pos - equalsTokenLength, equalsTokenLength, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + else if (!node.initializer) { + if (ts.isBindingPattern(node.name) && !ts.isBindingPattern(node.parent)) { + return grammarErrorOnNode(node, ts.Diagnostics.A_destructuring_declaration_must_have_an_initializer); + } + if (ts.isConst(node)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_must_be_initialized); + } + } + } + var checkLetConstNames = (ts.isLet(node) || ts.isConst(node)); + // 1. LexicalDeclaration : LetOrConst BindingList ; + // It is a Syntax Error if the BoundNames of BindingList contains "let". + // 2. ForDeclaration: ForDeclaration : LetOrConst ForBinding + // It is a Syntax Error if the BoundNames of ForDeclaration contains "let". + // It is a SyntaxError if a VariableDeclaration or VariableDeclarationNoIn occurs within strict code + // and its Identifier is eval or arguments + return checkLetConstNames && checkGrammarNameInLetOrConstDeclarations(node.name); + } + function checkGrammarNameInLetOrConstDeclarations(name) { + if (name.kind === 69 /* Identifier */) { + if (name.originalKeywordKind === 108 /* LetKeyword */) { + return grammarErrorOnNode(name, ts.Diagnostics.let_is_not_allowed_to_be_used_as_a_name_in_let_or_const_declarations); + } + } + else { + var elements = name.elements; + for (var _i = 0, elements_2 = elements; _i < elements_2.length; _i++) { + var element = elements_2[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + checkGrammarNameInLetOrConstDeclarations(element.name); + } + } + } + } + function checkGrammarVariableDeclarationList(declarationList) { + var declarations = declarationList.declarations; + if (checkGrammarForDisallowedTrailingComma(declarationList.declarations)) { + return true; + } + if (!declarationList.declarations.length) { + return grammarErrorAtPos(ts.getSourceFileOfNode(declarationList), declarations.pos, declarations.end - declarations.pos, ts.Diagnostics.Variable_declaration_list_cannot_be_empty); + } + } + function allowLetAndConstDeclarations(parent) { + switch (parent.kind) { + case 199 /* IfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + return false; + case 210 /* LabeledStatement */: + return allowLetAndConstDeclarations(parent.parent); + } + return true; + } + function checkGrammarForDisallowedLetOrConstStatement(node) { + if (!allowLetAndConstDeclarations(node.parent)) { + if (ts.isLet(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.let_declarations_can_only_be_declared_inside_a_block); + } + else if (ts.isConst(node.declarationList)) { + return grammarErrorOnNode(node, ts.Diagnostics.const_declarations_can_only_be_declared_inside_a_block); + } + } + } + function hasParseDiagnostics(sourceFile) { + return sourceFile.parseDiagnostics.length > 0; + } + function grammarErrorOnFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, span.start, span.length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorAtPos(sourceFile, start, length, message, arg0, arg1, arg2) { + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createFileDiagnostic(sourceFile, start, length, message, arg0, arg1, arg2)); + return true; + } + } + function grammarErrorOnNode(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + diagnostics.add(ts.createDiagnosticForNode(node, message, arg0, arg1, arg2)); + return true; + } + } + function checkGrammarConstructorTypeParameters(node) { + if (node.typeParameters) { + return grammarErrorAtPos(ts.getSourceFileOfNode(node), node.typeParameters.pos, node.typeParameters.end - node.typeParameters.pos, ts.Diagnostics.Type_parameters_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarConstructorTypeAnnotation(node) { + if (node.type) { + return grammarErrorOnNode(node.type, ts.Diagnostics.Type_annotation_cannot_appear_on_a_constructor_declaration); + } + } + function checkGrammarProperty(node) { + if (ts.isClassLike(node.parent)) { + if (checkGrammarForInvalidQuestionMark(node, node.questionToken, ts.Diagnostics.A_class_member_cannot_be_declared_optional) || + checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_class_property_declaration_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + } + else if (node.parent.kind === 218 /* InterfaceDeclaration */) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_an_interface_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.An_interface_property_cannot_have_an_initializer); + } + } + else if (node.parent.kind === 156 /* TypeLiteral */) { + if (checkGrammarForNonSymbolComputedProperty(node.name, ts.Diagnostics.A_computed_property_name_in_a_type_literal_must_directly_refer_to_a_built_in_symbol)) { + return true; + } + if (node.initializer) { + return grammarErrorOnNode(node.initializer, ts.Diagnostics.A_type_literal_property_cannot_have_an_initializer); + } + } + if (ts.isInAmbientContext(node) && node.initializer) { + return grammarErrorOnFirstToken(node.initializer, ts.Diagnostics.Initializers_are_not_allowed_in_ambient_contexts); + } + } + function checkGrammarTopLevelElementForRequiredDeclareModifier(node) { + // A declare modifier is required for any top level .d.ts declaration except export=, export default, + // interfaces and imports categories: + // + // DeclarationElement: + // ExportAssignment + // export_opt InterfaceDeclaration + // export_opt TypeAliasDeclaration + // export_opt ImportDeclaration + // export_opt ExternalImportDeclaration + // export_opt AmbientDeclaration + // + // TODO: The spec needs to be amended to reflect this grammar. + if (node.kind === 218 /* InterfaceDeclaration */ || + node.kind === 219 /* TypeAliasDeclaration */ || + node.kind === 225 /* ImportDeclaration */ || + node.kind === 224 /* ImportEqualsDeclaration */ || + node.kind === 231 /* ExportDeclaration */ || + node.kind === 230 /* ExportAssignment */ || + (node.flags & 4 /* Ambient */) || + (node.flags & (2 /* Export */ | 512 /* Default */))) { + return false; + } + return grammarErrorOnFirstToken(node, ts.Diagnostics.A_declare_modifier_is_required_for_a_top_level_declaration_in_a_d_ts_file); + } + function checkGrammarTopLevelElementsForRequiredDeclareModifier(file) { + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var decl = _a[_i]; + if (ts.isDeclaration(decl) || decl.kind === 196 /* VariableStatement */) { + if (checkGrammarTopLevelElementForRequiredDeclareModifier(decl)) { + return true; + } + } + } + } + function checkGrammarSourceFile(node) { + return ts.isInAmbientContext(node) && checkGrammarTopLevelElementsForRequiredDeclareModifier(node); + } + function checkGrammarStatementInAmbientContext(node) { + if (ts.isInAmbientContext(node)) { + // An accessors is already reported about the ambient context + if (isAccessor(node.parent.kind)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = true; + } + // Find containing block which is either Block, ModuleBlock, SourceFile + var links = getNodeLinks(node); + if (!links.hasReportedStatementInAmbientContext && ts.isFunctionLike(node.parent)) { + return getNodeLinks(node).hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.An_implementation_cannot_be_declared_in_ambient_contexts); + } + // We are either parented by another statement, or some sort of block. + // If we're in a block, we only want to really report an error once + // to prevent noisyness. So use a bit on the block to indicate if + // this has already been reported, and don't report if it has. + // + if (node.parent.kind === 195 /* Block */ || node.parent.kind === 222 /* ModuleBlock */ || node.parent.kind === 251 /* SourceFile */) { + var links_1 = getNodeLinks(node.parent); + // Check if the containing block ever report this error + if (!links_1.hasReportedStatementInAmbientContext) { + return links_1.hasReportedStatementInAmbientContext = grammarErrorOnFirstToken(node, ts.Diagnostics.Statements_are_not_allowed_in_ambient_contexts); + } + } + else { + } + } + } + function checkGrammarNumericLiteral(node) { + // Grammar checking + if (node.flags & 32768 /* OctalLiteral */ && languageVersion >= 1 /* ES5 */) { + return grammarErrorOnNode(node, ts.Diagnostics.Octal_literals_are_not_available_when_targeting_ECMAScript_5_and_higher); + } + } + function grammarErrorAfterFirstToken(node, message, arg0, arg1, arg2) { + var sourceFile = ts.getSourceFileOfNode(node); + if (!hasParseDiagnostics(sourceFile)) { + var span = ts.getSpanOfTokenAtPosition(sourceFile, node.pos); + diagnostics.add(ts.createFileDiagnostic(sourceFile, ts.textSpanEnd(span), /*length*/ 0, message, arg0, arg1, arg2)); + return true; + } + } + var _a; + } + ts.createTypeChecker = createTypeChecker; +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var nullSourceMapWriter; + // Used for initialize lastEncodedSourceMapSpan and reset lastEncodedSourceMapSpan when updateLastEncodedAndRecordedSpans + var defaultLastEncodedSourceMapSpan = { + emittedLine: 1, + emittedColumn: 1, + sourceLine: 1, + sourceColumn: 1, + sourceIndex: 0 + }; + function getNullSourceMapWriter() { + if (nullSourceMapWriter === undefined) { + nullSourceMapWriter = { + getSourceMapData: function () { return undefined; }, + setSourceFile: function (sourceFile) { }, + emitStart: function (range) { }, + emitEnd: function (range, stopOverridingSpan) { }, + emitPos: function (pos) { }, + changeEmitSourcePos: function () { }, + getText: function () { return undefined; }, + getSourceMappingURL: function () { return undefined; }, + initialize: function (filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { }, + reset: function () { } + }; + } + return nullSourceMapWriter; + } + ts.getNullSourceMapWriter = getNullSourceMapWriter; + function createSourceMapWriter(host, writer) { + var compilerOptions = host.getCompilerOptions(); + var currentSourceFile; + var sourceMapDir; // The directory in which sourcemap will be + var stopOverridingSpan = false; + var modifyLastSourcePos = false; + // Current source map file and its index in the sources list + var sourceMapSourceIndex; + // Last recorded and encoded spans + var lastRecordedSourceMapSpan; + var lastEncodedSourceMapSpan; + var lastEncodedNameIndex; + // Source map data + var sourceMapData; + return { + getSourceMapData: function () { return sourceMapData; }, + setSourceFile: setSourceFile, + emitPos: emitPos, + emitStart: emitStart, + emitEnd: emitEnd, + changeEmitSourcePos: changeEmitSourcePos, + getText: getText, + getSourceMappingURL: getSourceMappingURL, + initialize: initialize, + reset: reset + }; + function initialize(filePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + if (sourceMapData) { + reset(); + } + currentSourceFile = undefined; + // Current source map file and its index in the sources list + sourceMapSourceIndex = -1; + // Last recorded and encoded spans + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = defaultLastEncodedSourceMapSpan; + lastEncodedNameIndex = 0; + // Initialize source map data + sourceMapData = { + sourceMapFilePath: sourceMapFilePath, + jsSourceMappingURL: !compilerOptions.inlineSourceMap ? ts.getBaseFileName(ts.normalizeSlashes(sourceMapFilePath)) : undefined, + sourceMapFile: ts.getBaseFileName(ts.normalizeSlashes(filePath)), + sourceMapSourceRoot: compilerOptions.sourceRoot || "", + sourceMapSources: [], + inputSourceFileNames: [], + sourceMapNames: [], + sourceMapMappings: "", + sourceMapSourcesContent: compilerOptions.inlineSources ? [] : undefined, + sourceMapDecodedMappings: [] + }; + // Normalize source root and make sure it has trailing "/" so that it can be used to combine paths with the + // relative paths of the sources list in the sourcemap + sourceMapData.sourceMapSourceRoot = ts.normalizeSlashes(sourceMapData.sourceMapSourceRoot); + if (sourceMapData.sourceMapSourceRoot.length && sourceMapData.sourceMapSourceRoot.charCodeAt(sourceMapData.sourceMapSourceRoot.length - 1) !== 47 /* slash */) { + sourceMapData.sourceMapSourceRoot += ts.directorySeparator; + } + if (compilerOptions.mapRoot) { + sourceMapDir = ts.normalizeSlashes(compilerOptions.mapRoot); + if (!isBundledEmit) { + ts.Debug.assert(sourceFiles.length === 1); + // For modules or multiple emit files the mapRoot will have directory structure like the sources + // So if src\a.ts and src\lib\b.ts are compiled together user would be moving the maps into mapRoot\a.js.map and mapRoot\lib\b.js.map + sourceMapDir = ts.getDirectoryPath(ts.getSourceFilePathInNewDir(sourceFiles[0], host, sourceMapDir)); + } + if (!ts.isRootedDiskPath(sourceMapDir) && !ts.isUrl(sourceMapDir)) { + // The relative paths are relative to the common directory + sourceMapDir = ts.combinePaths(host.getCommonSourceDirectory(), sourceMapDir); + sourceMapData.jsSourceMappingURL = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizePath(filePath)), // get the relative sourceMapDir path based on jsFilePath + ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), // this is where user expects to see sourceMap + host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true); + } + else { + sourceMapData.jsSourceMappingURL = ts.combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL); + } + } + else { + sourceMapDir = ts.getDirectoryPath(ts.normalizePath(filePath)); + } + } + function reset() { + currentSourceFile = undefined; + sourceMapDir = undefined; + sourceMapSourceIndex = undefined; + lastRecordedSourceMapSpan = undefined; + lastEncodedSourceMapSpan = undefined; + lastEncodedNameIndex = undefined; + sourceMapData = undefined; + } + function updateLastEncodedAndRecordedSpans() { + if (modifyLastSourcePos) { + // Reset the source pos + modifyLastSourcePos = false; + // Change Last recorded Map with last encoded emit line and character + lastRecordedSourceMapSpan.emittedLine = lastEncodedSourceMapSpan.emittedLine; + lastRecordedSourceMapSpan.emittedColumn = lastEncodedSourceMapSpan.emittedColumn; + // Pop sourceMapDecodedMappings to remove last entry + sourceMapData.sourceMapDecodedMappings.pop(); + // Point the lastEncodedSourceMapSpace to the previous encoded sourceMapSpan + // If the list is empty which indicates that we are at the beginning of the file, + // we have to reset it to default value (same value when we first initialize sourceMapWriter) + lastEncodedSourceMapSpan = sourceMapData.sourceMapDecodedMappings.length ? + sourceMapData.sourceMapDecodedMappings[sourceMapData.sourceMapDecodedMappings.length - 1] : + defaultLastEncodedSourceMapSpan; + // TODO: Update lastEncodedNameIndex + // Since we dont support this any more, lets not worry about it right now. + // When we start supporting nameIndex, we will get back to this + // Change the encoded source map + var sourceMapMappings = sourceMapData.sourceMapMappings; + var lenthToSet = sourceMapMappings.length - 1; + for (; lenthToSet >= 0; lenthToSet--) { + var currentChar = sourceMapMappings.charAt(lenthToSet); + if (currentChar === ",") { + // Separator for the entry found + break; + } + if (currentChar === ";" && lenthToSet !== 0 && sourceMapMappings.charAt(lenthToSet - 1) !== ";") { + // Last line separator found + break; + } + } + sourceMapData.sourceMapMappings = sourceMapMappings.substr(0, Math.max(0, lenthToSet)); + } + } + // Encoding for sourcemap span + function encodeLastRecordedSourceMapSpan() { + if (!lastRecordedSourceMapSpan || lastRecordedSourceMapSpan === lastEncodedSourceMapSpan) { + return; + } + var prevEncodedEmittedColumn = lastEncodedSourceMapSpan.emittedColumn; + // Line/Comma delimiters + if (lastEncodedSourceMapSpan.emittedLine === lastRecordedSourceMapSpan.emittedLine) { + // Emit comma to separate the entry + if (sourceMapData.sourceMapMappings) { + sourceMapData.sourceMapMappings += ","; + } + } + else { + // Emit line delimiters + for (var encodedLine = lastEncodedSourceMapSpan.emittedLine; encodedLine < lastRecordedSourceMapSpan.emittedLine; encodedLine++) { + sourceMapData.sourceMapMappings += ";"; + } + prevEncodedEmittedColumn = 1; + } + // 1. Relative Column 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.emittedColumn - prevEncodedEmittedColumn); + // 2. Relative sourceIndex + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceIndex - lastEncodedSourceMapSpan.sourceIndex); + // 3. Relative sourceLine 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceLine - lastEncodedSourceMapSpan.sourceLine); + // 4. Relative sourceColumn 0 based + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.sourceColumn - lastEncodedSourceMapSpan.sourceColumn); + // 5. Relative namePosition 0 based + if (lastRecordedSourceMapSpan.nameIndex >= 0) { + ts.Debug.assert(false, "We do not support name index right now, Make sure to update updateLastEncodedAndRecordedSpans when we start using this"); + sourceMapData.sourceMapMappings += base64VLQFormatEncode(lastRecordedSourceMapSpan.nameIndex - lastEncodedNameIndex); + lastEncodedNameIndex = lastRecordedSourceMapSpan.nameIndex; + } + lastEncodedSourceMapSpan = lastRecordedSourceMapSpan; + sourceMapData.sourceMapDecodedMappings.push(lastEncodedSourceMapSpan); + } + function emitPos(pos) { + if (pos === -1) { + return; + } + var sourceLinePos = ts.getLineAndCharacterOfPosition(currentSourceFile, pos); + // Convert the location to be one-based. + sourceLinePos.line++; + sourceLinePos.character++; + var emittedLine = writer.getLine(); + var emittedColumn = writer.getColumn(); + // If this location wasn't recorded or the location in source is going backwards, record the span + if (!lastRecordedSourceMapSpan || + lastRecordedSourceMapSpan.emittedLine !== emittedLine || + lastRecordedSourceMapSpan.emittedColumn !== emittedColumn || + (lastRecordedSourceMapSpan.sourceIndex === sourceMapSourceIndex && + (lastRecordedSourceMapSpan.sourceLine > sourceLinePos.line || + (lastRecordedSourceMapSpan.sourceLine === sourceLinePos.line && lastRecordedSourceMapSpan.sourceColumn > sourceLinePos.character)))) { + // Encode the last recordedSpan before assigning new + encodeLastRecordedSourceMapSpan(); + // New span + lastRecordedSourceMapSpan = { + emittedLine: emittedLine, + emittedColumn: emittedColumn, + sourceLine: sourceLinePos.line, + sourceColumn: sourceLinePos.character, + sourceIndex: sourceMapSourceIndex + }; + stopOverridingSpan = false; + } + else if (!stopOverridingSpan) { + // Take the new pos instead since there is no change in emittedLine and column since last location + lastRecordedSourceMapSpan.sourceLine = sourceLinePos.line; + lastRecordedSourceMapSpan.sourceColumn = sourceLinePos.character; + lastRecordedSourceMapSpan.sourceIndex = sourceMapSourceIndex; + } + updateLastEncodedAndRecordedSpans(); + } + function getStartPos(range) { + var rangeHasDecorators = !!range.decorators; + return range.pos !== -1 ? ts.skipTrivia(currentSourceFile.text, rangeHasDecorators ? range.decorators.end : range.pos) : -1; + } + function emitStart(range) { + emitPos(getStartPos(range)); + } + function emitEnd(range, stopOverridingEnd) { + emitPos(range.end); + stopOverridingSpan = stopOverridingEnd; + } + function changeEmitSourcePos() { + ts.Debug.assert(!modifyLastSourcePos); + modifyLastSourcePos = true; + } + function setSourceFile(sourceFile) { + currentSourceFile = sourceFile; + // Add the file to tsFilePaths + // If sourceroot option: Use the relative path corresponding to the common directory path + // otherwise source locations relative to map file location + var sourcesDirectoryPath = compilerOptions.sourceRoot ? host.getCommonSourceDirectory() : sourceMapDir; + var source = ts.getRelativePathToDirectoryOrUrl(sourcesDirectoryPath, currentSourceFile.fileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ true); + sourceMapSourceIndex = ts.indexOf(sourceMapData.sourceMapSources, source); + if (sourceMapSourceIndex === -1) { + sourceMapSourceIndex = sourceMapData.sourceMapSources.length; + sourceMapData.sourceMapSources.push(source); + // The one that can be used from program to get the actual source file + sourceMapData.inputSourceFileNames.push(sourceFile.fileName); + if (compilerOptions.inlineSources) { + sourceMapData.sourceMapSourcesContent.push(sourceFile.text); + } + } + } + function getText() { + encodeLastRecordedSourceMapSpan(); + return ts.stringify({ + version: 3, + file: sourceMapData.sourceMapFile, + sourceRoot: sourceMapData.sourceMapSourceRoot, + sources: sourceMapData.sourceMapSources, + names: sourceMapData.sourceMapNames, + mappings: sourceMapData.sourceMapMappings, + sourcesContent: sourceMapData.sourceMapSourcesContent + }); + } + function getSourceMappingURL() { + if (compilerOptions.inlineSourceMap) { + // Encode the sourceMap into the sourceMap url + var base64SourceMapText = ts.convertToBase64(getText()); + return sourceMapData.jsSourceMappingURL = "data:application/json;base64," + base64SourceMapText; + } + else { + return sourceMapData.jsSourceMappingURL; + } + } + } + ts.createSourceMapWriter = createSourceMapWriter; + var base64Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + function base64FormatEncode(inValue) { + if (inValue < 64) { + return base64Chars.charAt(inValue); + } + throw TypeError(inValue + ": not a 64 based value"); + } + function base64VLQFormatEncode(inValue) { + // Add a new least significant bit that has the sign of the value. + // if negative number the least significant bit that gets added to the number has value 1 + // else least significant bit value that gets added is 0 + // eg. -1 changes to binary : 01 [1] => 3 + // +1 changes to binary : 01 [0] => 2 + if (inValue < 0) { + inValue = ((-inValue) << 1) + 1; + } + else { + inValue = inValue << 1; + } + // Encode 5 bits at a time starting from least significant bits + var encodedStr = ""; + do { + var currentDigit = inValue & 31; // 11111 + inValue = inValue >> 5; + if (inValue > 0) { + // There are still more digits to decode, set the msb (6th bit) + currentDigit = currentDigit | 32; + } + encodedStr = encodedStr + base64FormatEncode(currentDigit); + } while (inValue > 0); + return encodedStr; + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + function getDeclarationDiagnostics(host, resolver, targetSourceFile) { + var declarationDiagnostics = ts.createDiagnosticCollection(); + ts.forEachExpectedEmitFile(host, getDeclarationDiagnosticsFromFile, targetSourceFile); + return declarationDiagnostics.getDiagnostics(targetSourceFile.fileName); + function getDeclarationDiagnosticsFromFile(_a, sources, isBundledEmit) { + var declarationFilePath = _a.declarationFilePath; + emitDeclarations(host, resolver, declarationDiagnostics, declarationFilePath, sources, isBundledEmit); + } + } + ts.getDeclarationDiagnostics = getDeclarationDiagnostics; + function emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit) { + var newLine = host.getNewLine(); + var compilerOptions = host.getCompilerOptions(); + var write; + var writeLine; + var increaseIndent; + var decreaseIndent; + var writeTextOfNode; + var writer = createAndSetNewTextWriterWithSymbolWriter(); + var enclosingDeclaration; + var resultHasExternalModuleIndicator; + var currentText; + var currentLineMap; + var currentIdentifiers; + var isCurrentFileExternalModule; + var reportedDeclarationError = false; + var errorNameNode; + var emitJsDocComments = compilerOptions.removeComments ? function (declaration) { } : writeJsDocComments; + var emit = compilerOptions.stripInternal ? stripInternal : emitNode; + var noDeclare; + var moduleElementDeclarationEmitInfo = []; + var asynchronousSubModuleDeclarationEmitInfo; + // Contains the reference paths that needs to go in the declaration file. + // Collecting this separately because reference paths need to be first thing in the declaration file + // and we could be collecting these paths from multiple files into single one with --out option + var referencePathsOutput = ""; + // Emit references corresponding to each file + var emittedReferencedFiles = []; + var addedGlobalFileReference = false; + var allSourcesModuleElementDeclarationEmitInfo = []; + ts.forEach(sourceFiles, function (sourceFile) { + // Dont emit for javascript file + if (ts.isSourceFileJavaScript(sourceFile)) { + return; + } + // Check what references need to be added + if (!compilerOptions.noResolve) { + ts.forEach(sourceFile.referencedFiles, function (fileReference) { + var referencedFile = ts.tryResolveScriptReference(host, sourceFile, fileReference); + // Emit reference in dts, if the file reference was not already emitted + if (referencedFile && !ts.contains(emittedReferencedFiles, referencedFile)) { + // Add a reference to generated dts file, + // global file reference is added only + // - if it is not bundled emit (because otherwise it would be self reference) + // - and it is not already added + if (writeReferencePath(referencedFile, !isBundledEmit && !addedGlobalFileReference)) { + addedGlobalFileReference = true; + } + emittedReferencedFiles.push(referencedFile); + } + }); + } + resultHasExternalModuleIndicator = false; + if (!isBundledEmit || !ts.isExternalModule(sourceFile)) { + noDeclare = false; + emitSourceFile(sourceFile); + } + else if (ts.isExternalModule(sourceFile)) { + noDeclare = true; + write("declare module \"" + ts.getResolvedExternalModuleName(host, sourceFile) + "\" {"); + writeLine(); + increaseIndent(); + emitSourceFile(sourceFile); + decreaseIndent(); + write("}"); + writeLine(); + } + // create asynchronous output for the importDeclarations + if (moduleElementDeclarationEmitInfo.length) { + var oldWriter = writer; + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.isVisible && !aliasEmitInfo.asynchronousOutput) { + ts.Debug.assert(aliasEmitInfo.node.kind === 225 /* ImportDeclaration */); + createAndSetNewTextWriterWithSymbolWriter(); + ts.Debug.assert(aliasEmitInfo.indent === 0 || (aliasEmitInfo.indent === 1 && isBundledEmit)); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + increaseIndent(); + } + writeImportDeclaration(aliasEmitInfo.node); + aliasEmitInfo.asynchronousOutput = writer.getText(); + for (var i = 0; i < aliasEmitInfo.indent; i++) { + decreaseIndent(); + } + } + }); + setWriter(oldWriter); + allSourcesModuleElementDeclarationEmitInfo = allSourcesModuleElementDeclarationEmitInfo.concat(moduleElementDeclarationEmitInfo); + moduleElementDeclarationEmitInfo = []; + } + if (!isBundledEmit && ts.isExternalModule(sourceFile) && sourceFile.moduleAugmentations.length && !resultHasExternalModuleIndicator) { + // if file was external module with augmentations - this fact should be preserved in .d.ts as well. + // in case if we didn't write any external module specifiers in .d.ts we need to emit something + // that will force compiler to think that this file is an external module - 'export {}' is a reasonable choice here. + write("export {};"); + writeLine(); + } + }); + return { + reportedDeclarationError: reportedDeclarationError, + moduleElementDeclarationEmitInfo: allSourcesModuleElementDeclarationEmitInfo, + synchronousDeclarationOutput: writer.getText(), + referencePathsOutput: referencePathsOutput + }; + function hasInternalAnnotation(range) { + var comment = currentText.substring(range.pos, range.end); + return comment.indexOf("@internal") >= 0; + } + function stripInternal(node) { + if (node) { + var leadingCommentRanges = ts.getLeadingCommentRanges(currentText, node.pos); + if (ts.forEach(leadingCommentRanges, hasInternalAnnotation)) { + return; + } + emitNode(node); + } + } + function createAndSetNewTextWriterWithSymbolWriter() { + var writer = ts.createTextWriter(newLine); + writer.trackSymbol = trackSymbol; + writer.reportInaccessibleThisError = reportInaccessibleThisError; + writer.writeKeyword = writer.write; + writer.writeOperator = writer.write; + writer.writePunctuation = writer.write; + writer.writeSpace = writer.write; + writer.writeStringLiteral = writer.writeLiteral; + writer.writeParameter = writer.write; + writer.writeSymbol = writer.write; + setWriter(writer); + return writer; + } + function setWriter(newWriter) { + writer = newWriter; + write = newWriter.write; + writeTextOfNode = newWriter.writeTextOfNode; + writeLine = newWriter.writeLine; + increaseIndent = newWriter.increaseIndent; + decreaseIndent = newWriter.decreaseIndent; + } + function writeAsynchronousModuleElements(nodes) { + var oldWriter = writer; + ts.forEach(nodes, function (declaration) { + var nodeToCheck; + if (declaration.kind === 214 /* VariableDeclaration */) { + nodeToCheck = declaration.parent.parent; + } + else if (declaration.kind === 228 /* NamedImports */ || declaration.kind === 229 /* ImportSpecifier */ || declaration.kind === 226 /* ImportClause */) { + ts.Debug.fail("We should be getting ImportDeclaration instead to write"); + } + else { + nodeToCheck = declaration; + } + var moduleElementEmitInfo = ts.forEach(moduleElementDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + if (!moduleElementEmitInfo && asynchronousSubModuleDeclarationEmitInfo) { + moduleElementEmitInfo = ts.forEach(asynchronousSubModuleDeclarationEmitInfo, function (declEmitInfo) { return declEmitInfo.node === nodeToCheck ? declEmitInfo : undefined; }); + } + // If the alias was marked as not visible when we saw its declaration, we would have saved the aliasEmitInfo, but if we haven't yet visited the alias declaration + // then we don't need to write it at this point. We will write it when we actually see its declaration + // Eg. + // export function bar(a: foo.Foo) { } + // import foo = require("foo"); + // Writing of function bar would mark alias declaration foo as visible but we haven't yet visited that declaration so do nothing, + // we would write alias foo declaration when we visit it since it would now be marked as visible + if (moduleElementEmitInfo) { + if (moduleElementEmitInfo.node.kind === 225 /* ImportDeclaration */) { + // we have to create asynchronous output only after we have collected complete information + // because it is possible to enable multiple bindings as asynchronously visible + moduleElementEmitInfo.isVisible = true; + } + else { + createAndSetNewTextWriterWithSymbolWriter(); + for (var declarationIndent = moduleElementEmitInfo.indent; declarationIndent; declarationIndent--) { + increaseIndent(); + } + if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { + ts.Debug.assert(asynchronousSubModuleDeclarationEmitInfo === undefined); + asynchronousSubModuleDeclarationEmitInfo = []; + } + writeModuleElement(nodeToCheck); + if (nodeToCheck.kind === 221 /* ModuleDeclaration */) { + moduleElementEmitInfo.subModuleElementDeclarationEmitInfo = asynchronousSubModuleDeclarationEmitInfo; + asynchronousSubModuleDeclarationEmitInfo = undefined; + } + moduleElementEmitInfo.asynchronousOutput = writer.getText(); + } + } + }); + setWriter(oldWriter); + } + function handleSymbolAccessibilityError(symbolAccesibilityResult) { + if (symbolAccesibilityResult.accessibility === 0 /* Accessible */) { + // write the aliases + if (symbolAccesibilityResult && symbolAccesibilityResult.aliasesToMakeVisible) { + writeAsynchronousModuleElements(symbolAccesibilityResult.aliasesToMakeVisible); + } + } + else { + // Report error + reportedDeclarationError = true; + var errorInfo = writer.getSymbolAccessibilityDiagnostic(symbolAccesibilityResult); + if (errorInfo) { + if (errorInfo.typeName) { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, ts.getTextOfNodeFromSourceText(currentText, errorInfo.typeName), symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + else { + emitterDiagnostics.add(ts.createDiagnosticForNode(symbolAccesibilityResult.errorNode || errorInfo.errorNode, errorInfo.diagnosticMessage, symbolAccesibilityResult.errorSymbolName, symbolAccesibilityResult.errorModuleName)); + } + } + } + } + function trackSymbol(symbol, enclosingDeclaration, meaning) { + handleSymbolAccessibilityError(resolver.isSymbolAccessible(symbol, enclosingDeclaration, meaning)); + } + function reportInaccessibleThisError() { + if (errorNameNode) { + reportedDeclarationError = true; + emitterDiagnostics.add(ts.createDiagnosticForNode(errorNameNode, ts.Diagnostics.The_inferred_type_of_0_references_an_inaccessible_this_type_A_type_annotation_is_necessary, ts.declarationNameToString(errorNameNode))); + } + } + function writeTypeOfDeclaration(declaration, type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (type) { + // Write the type + emitType(type); + } + else { + errorNameNode = declaration.name; + resolver.writeTypeOfDeclaration(declaration, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + errorNameNode = undefined; + } + } + function writeReturnTypeAtSignature(signature, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + write(": "); + if (signature.type) { + // Write the type + emitType(signature.type); + } + else { + errorNameNode = signature.name; + resolver.writeReturnTypeOfSignatureDeclaration(signature, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + errorNameNode = undefined; + } + } + function emitLines(nodes) { + for (var _i = 0, nodes_2 = nodes; _i < nodes_2.length; _i++) { + var node = nodes_2[_i]; + emit(node); + } + } + function emitSeparatedList(nodes, separator, eachNodeEmitFn, canEmitFn) { + var currentWriterPos = writer.getTextPos(); + for (var _i = 0, nodes_3 = nodes; _i < nodes_3.length; _i++) { + var node = nodes_3[_i]; + if (!canEmitFn || canEmitFn(node)) { + if (currentWriterPos !== writer.getTextPos()) { + write(separator); + } + currentWriterPos = writer.getTextPos(); + eachNodeEmitFn(node); + } + } + } + function emitCommaList(nodes, eachNodeEmitFn, canEmitFn) { + emitSeparatedList(nodes, ", ", eachNodeEmitFn, canEmitFn); + } + function writeJsDocComments(declaration) { + if (declaration) { + var jsDocComments = ts.getJsDocCommentsFromText(declaration, currentText); + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, declaration, jsDocComments); + // jsDoc comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, jsDocComments, /*trailingSeparator*/ true, newLine, ts.writeCommentRange); + } + } + function emitTypeWithNewGetSymbolAccessibilityDiagnostic(type, getSymbolAccessibilityDiagnostic) { + writer.getSymbolAccessibilityDiagnostic = getSymbolAccessibilityDiagnostic; + emitType(type); + } + function emitType(type) { + switch (type.kind) { + case 117 /* AnyKeyword */: + case 130 /* StringKeyword */: + case 128 /* NumberKeyword */: + case 120 /* BooleanKeyword */: + case 131 /* SymbolKeyword */: + case 103 /* VoidKeyword */: + case 162 /* ThisType */: + case 163 /* StringLiteralType */: + return writeTextOfNode(currentText, type); + case 191 /* ExpressionWithTypeArguments */: + return emitExpressionWithTypeArguments(type); + case 152 /* TypeReference */: + return emitTypeReference(type); + case 155 /* TypeQuery */: + return emitTypeQuery(type); + case 157 /* ArrayType */: + return emitArrayType(type); + case 158 /* TupleType */: + return emitTupleType(type); + case 159 /* UnionType */: + return emitUnionType(type); + case 160 /* IntersectionType */: + return emitIntersectionType(type); + case 161 /* ParenthesizedType */: + return emitParenType(type); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return emitSignatureDeclarationWithJsDocComments(type); + case 156 /* TypeLiteral */: + return emitTypeLiteral(type); + case 69 /* Identifier */: + return emitEntityName(type); + case 136 /* QualifiedName */: + return emitEntityName(type); + case 151 /* TypePredicate */: + return emitTypePredicate(type); + } + function writeEntityName(entityName) { + if (entityName.kind === 69 /* Identifier */) { + writeTextOfNode(currentText, entityName); + } + else { + var left = entityName.kind === 136 /* QualifiedName */ ? entityName.left : entityName.expression; + var right = entityName.kind === 136 /* QualifiedName */ ? entityName.right : entityName.name; + writeEntityName(left); + write("."); + writeTextOfNode(currentText, right); + } + } + function emitEntityName(entityName) { + var visibilityResult = resolver.isEntityNameVisible(entityName, + // Aliases can be written asynchronously so use correct enclosing declaration + entityName.parent.kind === 224 /* ImportEqualsDeclaration */ ? entityName.parent : enclosingDeclaration); + handleSymbolAccessibilityError(visibilityResult); + writeEntityName(entityName); + } + function emitExpressionWithTypeArguments(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + ts.Debug.assert(node.expression.kind === 69 /* Identifier */ || node.expression.kind === 169 /* PropertyAccessExpression */); + emitEntityName(node.expression); + if (node.typeArguments) { + write("<"); + emitCommaList(node.typeArguments, emitType); + write(">"); + } + } + } + function emitTypeReference(type) { + emitEntityName(type.typeName); + if (type.typeArguments) { + write("<"); + emitCommaList(type.typeArguments, emitType); + write(">"); + } + } + function emitTypePredicate(type) { + writeTextOfNode(currentText, type.parameterName); + write(" is "); + emitType(type.type); + } + function emitTypeQuery(type) { + write("typeof "); + emitEntityName(type.exprName); + } + function emitArrayType(type) { + emitType(type.elementType); + write("[]"); + } + function emitTupleType(type) { + write("["); + emitCommaList(type.elementTypes, emitType); + write("]"); + } + function emitUnionType(type) { + emitSeparatedList(type.types, " | ", emitType); + } + function emitIntersectionType(type) { + emitSeparatedList(type.types, " & ", emitType); + } + function emitParenType(type) { + write("("); + emitType(type.type); + write(")"); + } + function emitTypeLiteral(type) { + write("{"); + if (type.members.length) { + writeLine(); + increaseIndent(); + // write members + emitLines(type.members); + decreaseIndent(); + } + write("}"); + } + } + function emitSourceFile(node) { + currentText = node.text; + currentLineMap = ts.getLineStarts(node); + currentIdentifiers = node.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(node); + enclosingDeclaration = node; + ts.emitDetachedComments(currentText, currentLineMap, writer, ts.writeCommentRange, node, newLine, true /* remove comments */); + emitLines(node.statements); + } + // Return a temp variable name to be used in `export default` statements. + // The temp name will be of the form _default_counter. + // Note that export default is only allowed at most once in a module, so we + // do not need to keep track of created temp names. + function getExportDefaultTempVariableName() { + var baseName = "_default"; + if (!ts.hasProperty(currentIdentifiers, baseName)) { + return baseName; + } + var count = 0; + while (true) { + count++; + var name_21 = baseName + "_" + count; + if (!ts.hasProperty(currentIdentifiers, name_21)) { + return name_21; + } + } + } + function emitExportAssignment(node) { + if (node.expression.kind === 69 /* Identifier */) { + write(node.isExportEquals ? "export = " : "export default "); + writeTextOfNode(currentText, node.expression); + } + else { + // Expression + var tempVarName = getExportDefaultTempVariableName(); + write("declare var "); + write(tempVarName); + write(": "); + writer.getSymbolAccessibilityDiagnostic = getDefaultExportAccessibilityDiagnostic; + resolver.writeTypeOfExpression(node.expression, enclosingDeclaration, 2 /* UseTypeOfFunction */, writer); + write(";"); + writeLine(); + write(node.isExportEquals ? "export = " : "export default "); + write(tempVarName); + } + write(";"); + writeLine(); + // Make all the declarations visible for the export name + if (node.expression.kind === 69 /* Identifier */) { + var nodes = resolver.collectLinkedAliases(node.expression); + // write each of these declarations asynchronously + writeAsynchronousModuleElements(nodes); + } + function getDefaultExportAccessibilityDiagnostic(diagnostic) { + return { + diagnosticMessage: ts.Diagnostics.Default_export_of_the_module_has_or_is_using_private_name_0, + errorNode: node + }; + } + } + function isModuleElementVisible(node) { + return resolver.isDeclarationVisible(node); + } + function emitModuleElement(node, isModuleElementVisible) { + if (isModuleElementVisible) { + writeModuleElement(node); + } + else if (node.kind === 224 /* ImportEqualsDeclaration */ || + (node.parent.kind === 251 /* SourceFile */ && isCurrentFileExternalModule)) { + var isVisible = void 0; + if (asynchronousSubModuleDeclarationEmitInfo && node.parent.kind !== 251 /* SourceFile */) { + // Import declaration of another module that is visited async so lets put it in right spot + asynchronousSubModuleDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + else { + if (node.kind === 225 /* ImportDeclaration */) { + var importDeclaration = node; + if (importDeclaration.importClause) { + isVisible = (importDeclaration.importClause.name && resolver.isDeclarationVisible(importDeclaration.importClause)) || + isVisibleNamedBinding(importDeclaration.importClause.namedBindings); + } + } + moduleElementDeclarationEmitInfo.push({ + node: node, + outputPos: writer.getTextPos(), + indent: writer.getIndent(), + isVisible: isVisible + }); + } + } + } + function writeModuleElement(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + return writeFunctionDeclaration(node); + case 196 /* VariableStatement */: + return writeVariableStatement(node); + case 218 /* InterfaceDeclaration */: + return writeInterfaceDeclaration(node); + case 217 /* ClassDeclaration */: + return writeClassDeclaration(node); + case 219 /* TypeAliasDeclaration */: + return writeTypeAliasDeclaration(node); + case 220 /* EnumDeclaration */: + return writeEnumDeclaration(node); + case 221 /* ModuleDeclaration */: + return writeModuleDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return writeImportEqualsDeclaration(node); + case 225 /* ImportDeclaration */: + return writeImportDeclaration(node); + default: + ts.Debug.fail("Unknown symbol kind"); + } + } + function emitModuleElementDeclarationFlags(node) { + // If the node is parented in the current source file we need to emit export declare or just export + if (node.parent.kind === 251 /* SourceFile */) { + // If the node is exported + if (node.flags & 2 /* Export */) { + write("export "); + } + if (node.flags & 512 /* Default */) { + write("default "); + } + else if (node.kind !== 218 /* InterfaceDeclaration */ && !noDeclare) { + write("declare "); + } + } + } + function emitClassMemberDeclarationFlags(node) { + if (node.flags & 16 /* Private */) { + write("private "); + } + else if (node.flags & 32 /* Protected */) { + write("protected "); + } + if (node.flags & 64 /* Static */) { + write("static "); + } + if (node.flags & 128 /* Abstract */) { + write("abstract "); + } + } + function writeImportEqualsDeclaration(node) { + // note usage of writer. methods instead of aliases created, just to make sure we are using + // correct writer especially to handle asynchronous alias writing + emitJsDocComments(node); + if (node.flags & 2 /* Export */) { + write("export "); + } + write("import "); + writeTextOfNode(currentText, node.name); + write(" = "); + if (ts.isInternalModuleImportEqualsDeclaration(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.moduleReference, getImportEntityNameVisibilityError); + write(";"); + } + else { + write("require("); + emitExternalModuleSpecifier(node); + write(");"); + } + writer.writeLine(); + function getImportEntityNameVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Import_declaration_0_is_using_private_name_1, + errorNode: node, + typeName: node.name + }; + } + } + function isVisibleNamedBinding(namedBindings) { + if (namedBindings) { + if (namedBindings.kind === 227 /* NamespaceImport */) { + return resolver.isDeclarationVisible(namedBindings); + } + else { + return ts.forEach(namedBindings.elements, function (namedImport) { return resolver.isDeclarationVisible(namedImport); }); + } + } + } + function writeImportDeclaration(node) { + emitJsDocComments(node); + if (node.flags & 2 /* Export */) { + write("export "); + } + write("import "); + if (node.importClause) { + var currentWriterPos = writer.getTextPos(); + if (node.importClause.name && resolver.isDeclarationVisible(node.importClause)) { + writeTextOfNode(currentText, node.importClause.name); + } + if (node.importClause.namedBindings && isVisibleNamedBinding(node.importClause.namedBindings)) { + if (currentWriterPos !== writer.getTextPos()) { + // If the default binding was emitted, write the separated + write(", "); + } + if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { + write("* as "); + writeTextOfNode(currentText, node.importClause.namedBindings.name); + } + else { + write("{ "); + emitCommaList(node.importClause.namedBindings.elements, emitImportOrExportSpecifier, resolver.isDeclarationVisible); + write(" }"); + } + } + write(" from "); + } + emitExternalModuleSpecifier(node); + write(";"); + writer.writeLine(); + } + function emitExternalModuleSpecifier(parent) { + // emitExternalModuleSpecifier is usually called when we emit something in the.d.ts file that will make it an external module (i.e. import/export declarations). + // the only case when it is not true is when we call it to emit correct name for module augmentation - d.ts files with just module augmentations are not considered + // external modules since they are indistingushable from script files with ambient modules. To fix this in such d.ts files we'll emit top level 'export {}' + // so compiler will treat them as external modules. + resultHasExternalModuleIndicator = resultHasExternalModuleIndicator || parent.kind !== 221 /* ModuleDeclaration */; + var moduleSpecifier; + if (parent.kind === 224 /* ImportEqualsDeclaration */) { + var node = parent; + moduleSpecifier = ts.getExternalModuleImportEqualsDeclarationExpression(node); + } + else if (parent.kind === 221 /* ModuleDeclaration */) { + moduleSpecifier = parent.name; + } + else { + var node = parent; + moduleSpecifier = node.moduleSpecifier; + } + if (moduleSpecifier.kind === 9 /* StringLiteral */ && isBundledEmit && (compilerOptions.out || compilerOptions.outFile)) { + var moduleName = ts.getExternalModuleNameFromDeclaration(host, resolver, parent); + if (moduleName) { + write("\""); + write(moduleName); + write("\""); + return; + } + } + writeTextOfNode(currentText, moduleSpecifier); + } + function emitImportOrExportSpecifier(node) { + if (node.propertyName) { + writeTextOfNode(currentText, node.propertyName); + write(" as "); + } + writeTextOfNode(currentText, node.name); + } + function emitExportSpecifier(node) { + emitImportOrExportSpecifier(node); + // Make all the declarations visible for the export name + var nodes = resolver.collectLinkedAliases(node.propertyName || node.name); + // write each of these declarations asynchronously + writeAsynchronousModuleElements(nodes); + } + function emitExportDeclaration(node) { + emitJsDocComments(node); + write("export "); + if (node.exportClause) { + write("{ "); + emitCommaList(node.exportClause.elements, emitExportSpecifier); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emitExternalModuleSpecifier(node); + } + write(";"); + writer.writeLine(); + } + function writeModuleDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isGlobalScopeAugmentation(node)) { + write("global "); + } + else { + if (node.flags & 65536 /* Namespace */) { + write("namespace "); + } + else { + write("module "); + } + if (ts.isExternalModuleAugmentation(node)) { + emitExternalModuleSpecifier(node); + } + else { + writeTextOfNode(currentText, node.name); + } + } + while (node.body.kind !== 222 /* ModuleBlock */) { + node = node.body; + write("."); + writeTextOfNode(currentText, node.name); + } + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.body.statements); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeTypeAliasDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("type "); + writeTextOfNode(currentText, node.name); + emitTypeParameters(node.typeParameters); + write(" = "); + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.type, getTypeAliasDeclarationVisibilityError); + write(";"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + function getTypeAliasDeclarationVisibilityError(symbolAccesibilityResult) { + return { + diagnosticMessage: ts.Diagnostics.Exported_type_alias_0_has_or_is_using_private_name_1, + errorNode: node.type, + typeName: node.name + }; + } + } + function writeEnumDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isConst(node)) { + write("const "); + } + write("enum "); + writeTextOfNode(currentText, node.name); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + } + function emitEnumMemberDeclaration(node) { + emitJsDocComments(node); + writeTextOfNode(currentText, node.name); + var enumMemberValue = resolver.getConstantValue(node); + if (enumMemberValue !== undefined) { + write(" = "); + write(enumMemberValue.toString()); + } + write(","); + writeLine(); + } + function isPrivateMethodTypeParameter(node) { + return node.parent.kind === 144 /* MethodDeclaration */ && (node.parent.flags & 16 /* Private */); + } + function emitTypeParameters(typeParameters) { + function emitTypeParameter(node) { + increaseIndent(); + emitJsDocComments(node); + decreaseIndent(); + writeTextOfNode(currentText, node.name); + // If there is constraint present and this is not a type parameter of the private method emit the constraint + if (node.constraint && !isPrivateMethodTypeParameter(node)) { + write(" extends "); + if (node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + (node.parent.parent && node.parent.parent.kind === 156 /* TypeLiteral */)) { + ts.Debug.assert(node.parent.kind === 144 /* MethodDeclaration */ || + node.parent.kind === 143 /* MethodSignature */ || + node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + node.parent.kind === 148 /* CallSignature */ || + node.parent.kind === 149 /* ConstructSignature */); + emitType(node.constraint); + } + else { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node.constraint, getTypeParameterConstraintVisibilityError); + } + } + function getTypeParameterConstraintVisibilityError(symbolAccesibilityResult) { + // Type parameter constraints are named by user so we should always be able to name it + var diagnosticMessage; + switch (node.parent.kind) { + case 217 /* ClassDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_class_has_or_is_using_private_name_1; + break; + case 218 /* InterfaceDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1; + break; + case 149 /* ConstructSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 148 /* CallSignature */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.parent.flags & 64 /* Static */) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + break; + case 216 /* FunctionDeclaration */: + diagnosticMessage = ts.Diagnostics.Type_parameter_0_of_exported_function_has_or_is_using_private_name_1; + break; + default: + ts.Debug.fail("This is unknown parent for type parameter: " + node.parent.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + }; + } + } + if (typeParameters) { + write("<"); + emitCommaList(typeParameters, emitTypeParameter); + write(">"); + } + } + function emitHeritageClause(typeReferences, isImplementsList) { + if (typeReferences) { + write(isImplementsList ? " implements " : " extends "); + emitCommaList(typeReferences, emitTypeOfTypeReference); + } + function emitTypeOfTypeReference(node) { + if (ts.isSupportedExpressionWithTypeArguments(node)) { + emitTypeWithNewGetSymbolAccessibilityDiagnostic(node, getHeritageClauseVisibilityError); + } + else if (!isImplementsList && node.expression.kind === 93 /* NullKeyword */) { + write("null"); + } + function getHeritageClauseVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + // Heritage clause is written by user so it can always be named + if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + // Class or Interface implemented/extended is inaccessible + diagnosticMessage = isImplementsList ? + ts.Diagnostics.Implements_clause_of_exported_class_0_has_or_is_using_private_name_1 : + ts.Diagnostics.Extends_clause_of_exported_class_0_has_or_is_using_private_name_1; + } + else { + // interface is inaccessible + diagnosticMessage = ts.Diagnostics.Extends_clause_of_exported_interface_0_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.parent.parent.name + }; + } + } + } + function writeClassDeclaration(node) { + function emitParameterProperties(constructorDeclaration) { + if (constructorDeclaration) { + ts.forEach(constructorDeclaration.parameters, function (param) { + if (param.flags & 56 /* AccessibilityModifier */) { + emitPropertyDeclaration(param); + } + }); + } + } + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (node.flags & 128 /* Abstract */) { + write("abstract "); + } + write("class "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + emitHeritageClause([baseTypeNode], /*isImplementsList*/ false); + } + emitHeritageClause(ts.getClassImplementsHeritageClauseElements(node), /*isImplementsList*/ true); + write(" {"); + writeLine(); + increaseIndent(); + emitParameterProperties(ts.getFirstConstructorWithBody(node)); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function writeInterfaceDeclaration(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + write("interface "); + writeTextOfNode(currentText, node.name); + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + emitTypeParameters(node.typeParameters); + emitHeritageClause(ts.getInterfaceBaseTypeNodes(node), /*isImplementsList*/ false); + write(" {"); + writeLine(); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + write("}"); + writeLine(); + enclosingDeclaration = prevEnclosingDeclaration; + } + function emitPropertyDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + emitJsDocComments(node); + emitClassMemberDeclarationFlags(node); + emitVariableDeclaration(node); + write(";"); + writeLine(); + } + function emitVariableDeclaration(node) { + // If we are emitting property it isn't moduleElement and hence we already know it needs to be emitted + // so there is no check needed to see if declaration is visible + if (node.kind !== 214 /* VariableDeclaration */ || resolver.isDeclarationVisible(node)) { + if (ts.isBindingPattern(node.name)) { + emitBindingPattern(node.name); + } + else { + // If this node is a computed name, it can only be a symbol, because we've already skipped + // it if it's not a well known symbol. In that case, the text of the name will be exactly + // what we want, namely the name expression enclosed in brackets. + writeTextOfNode(currentText, node.name); + // If optional property emit ? + if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && ts.hasQuestionToken(node)) { + write("?"); + } + if ((node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) && node.parent.kind === 156 /* TypeLiteral */) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.flags & 16 /* Private */)) { + writeTypeOfDeclaration(node, node.type, getVariableDeclarationTypeVisibilityError); + } + } + } + function getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + if (node.kind === 214 /* VariableDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Exported_variable_0_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Exported_variable_0_has_or_is_using_private_name_1; + } + else if (node.kind === 142 /* PropertyDeclaration */ || node.kind === 141 /* PropertySignature */) { + // TODO(jfreeman): Deal with computed properties in error reporting. + if (node.flags & 64 /* Static */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_static_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Public_property_0_of_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Property_0_of_exported_interface_has_or_is_using_private_name_1; + } + } + } + function getVariableDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function emitBindingPattern(bindingPattern) { + // Only select non-omitted expression from the bindingPattern's elements. + // We have to do this to avoid emitting trailing commas. + // For example: + // original: var [, c,,] = [ 2,3,4] + // emitted: declare var c: number; // instead of declare var c:number, ; + var elements = []; + for (var _i = 0, _a = bindingPattern.elements; _i < _a.length; _i++) { + var element = _a[_i]; + if (element.kind !== 190 /* OmittedExpression */) { + elements.push(element); + } + } + emitCommaList(elements, emitBindingElement); + } + function emitBindingElement(bindingElement) { + function getBindingElementTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getVariableDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: bindingElement, + typeName: bindingElement.name + } : undefined; + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + emitBindingPattern(bindingElement.name); + } + else { + writeTextOfNode(currentText, bindingElement.name); + writeTypeOfDeclaration(bindingElement, /*type*/ undefined, getBindingElementTypeVisibilityError); + } + } + } + } + function emitTypeOfVariableDeclarationFromTypeLiteral(node) { + // if this is property of type literal, + // or is parameter of method/call/construct/index signature of type literal + // emit only if type is specified + if (node.type) { + write(": "); + emitType(node.type); + } + } + function isVariableStatementVisible(node) { + return ts.forEach(node.declarationList.declarations, function (varDeclaration) { return resolver.isDeclarationVisible(varDeclaration); }); + } + function writeVariableStatement(node) { + emitJsDocComments(node); + emitModuleElementDeclarationFlags(node); + if (ts.isLet(node.declarationList)) { + write("let "); + } + else if (ts.isConst(node.declarationList)) { + write("const "); + } + else { + write("var "); + } + emitCommaList(node.declarationList.declarations, emitVariableDeclaration, resolver.isDeclarationVisible); + write(";"); + writeLine(); + } + function emitAccessorDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + var accessors = ts.getAllAccessorDeclarations(node.parent.members, node); + var accessorWithTypeAnnotation; + if (node === accessors.firstAccessor) { + emitJsDocComments(accessors.getAccessor); + emitJsDocComments(accessors.setAccessor); + emitClassMemberDeclarationFlags(node); + writeTextOfNode(currentText, node.name); + if (!(node.flags & 16 /* Private */)) { + accessorWithTypeAnnotation = node; + var type = getTypeAnnotationFromAccessor(node); + if (!type) { + // couldn't get type for the first accessor, try the another one + var anotherAccessor = node.kind === 146 /* GetAccessor */ ? accessors.setAccessor : accessors.getAccessor; + type = getTypeAnnotationFromAccessor(anotherAccessor); + if (type) { + accessorWithTypeAnnotation = anotherAccessor; + } + } + writeTypeOfDeclaration(node, type, getAccessorDeclarationTypeVisibilityError); + } + write(";"); + writeLine(); + } + function getTypeAnnotationFromAccessor(accessor) { + if (accessor) { + return accessor.kind === 146 /* GetAccessor */ + ? accessor.type // Getter - return type + : accessor.parameters.length > 0 + ? accessor.parameters[0].type // Setter parameter type + : undefined; + } + } + function getAccessorDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + if (accessorWithTypeAnnotation.kind === 147 /* SetAccessor */) { + // Setters have to have type named and cannot infer it so, the type should always be named + if (accessorWithTypeAnnotation.parent.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_property_setter_from_exported_class_has_or_is_using_private_name_1; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.parameters[0], + // TODO(jfreeman): Investigate why we are passing node.name instead of node.parameters[0].name + typeName: accessorWithTypeAnnotation.name + }; + } + else { + if (accessorWithTypeAnnotation.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + else { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_property_getter_from_exported_class_has_or_is_using_private_name_0; + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: accessorWithTypeAnnotation.name, + typeName: undefined + }; + } + } + } + function writeFunctionDeclaration(node) { + if (ts.hasDynamicName(node)) { + return; + } + // If we are emitting Method/Constructor it isn't moduleElement and hence already determined to be emitting + // so no need to verify if the declaration is visible + if (!resolver.isImplementationOfOverload(node)) { + emitJsDocComments(node); + if (node.kind === 216 /* FunctionDeclaration */) { + emitModuleElementDeclarationFlags(node); + } + else if (node.kind === 144 /* MethodDeclaration */) { + emitClassMemberDeclarationFlags(node); + } + if (node.kind === 216 /* FunctionDeclaration */) { + write("function "); + writeTextOfNode(currentText, node.name); + } + else if (node.kind === 145 /* Constructor */) { + write("constructor"); + } + else { + writeTextOfNode(currentText, node.name); + if (ts.hasQuestionToken(node)) { + write("?"); + } + } + emitSignatureDeclaration(node); + } + } + function emitSignatureDeclarationWithJsDocComments(node) { + emitJsDocComments(node); + emitSignatureDeclaration(node); + } + function emitSignatureDeclaration(node) { + var prevEnclosingDeclaration = enclosingDeclaration; + enclosingDeclaration = node; + // Construct signature or constructor type write new Signature + if (node.kind === 149 /* ConstructSignature */ || node.kind === 154 /* ConstructorType */) { + write("new "); + } + emitTypeParameters(node.typeParameters); + if (node.kind === 150 /* IndexSignature */) { + write("["); + } + else { + write("("); + } + // Parameters + emitCommaList(node.parameters, emitParameterDeclaration); + if (node.kind === 150 /* IndexSignature */) { + write("]"); + } + else { + write(")"); + } + // If this is not a constructor and is not private, emit the return type + var isFunctionTypeOrConstructorType = node.kind === 153 /* FunctionType */ || node.kind === 154 /* ConstructorType */; + if (isFunctionTypeOrConstructorType || node.parent.kind === 156 /* TypeLiteral */) { + // Emit type literal signature return type only if specified + if (node.type) { + write(isFunctionTypeOrConstructorType ? " => " : ": "); + emitType(node.type); + } + } + else if (node.kind !== 145 /* Constructor */ && !(node.flags & 16 /* Private */)) { + writeReturnTypeAtSignature(node, getReturnTypeVisibilityError); + } + enclosingDeclaration = prevEnclosingDeclaration; + if (!isFunctionTypeOrConstructorType) { + write(";"); + writeLine(); + } + function getReturnTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage; + switch (node.kind) { + case 149 /* ConstructSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 148 /* CallSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_call_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 150 /* IndexSignature */: + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_index_signature_from_exported_interface_has_or_is_using_private_name_0; + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.flags & 64 /* Static */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_static_method_from_exported_class_has_or_is_using_private_name_0; + } + else if (node.parent.kind === 217 /* ClassDeclaration */) { + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_public_method_from_exported_class_has_or_is_using_private_name_0; + } + else { + // Interfaces cannot have return types that cannot be named + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_method_from_exported_interface_has_or_is_using_private_name_0; + } + break; + case 216 /* FunctionDeclaration */: + diagnosticMessage = symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_external_module_1_but_cannot_be_named : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_name_0_from_private_module_1 : + ts.Diagnostics.Return_type_of_exported_function_has_or_is_using_private_name_0; + break; + default: + ts.Debug.fail("This is unknown kind for signature: " + node.kind); + } + return { + diagnosticMessage: diagnosticMessage, + errorNode: node.name || node + }; + } + } + function emitParameterDeclaration(node) { + increaseIndent(); + emitJsDocComments(node); + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + // For bindingPattern, we can't simply writeTextOfNode from the source file + // because we want to omit the initializer and using writeTextOfNode will result in initializer get emitted. + // Therefore, we will have to recursively emit each element in the bindingPattern. + emitBindingPattern(node.name); + } + else { + writeTextOfNode(currentText, node.name); + } + if (resolver.isOptionalParameter(node)) { + write("?"); + } + decreaseIndent(); + if (node.parent.kind === 153 /* FunctionType */ || + node.parent.kind === 154 /* ConstructorType */ || + node.parent.parent.kind === 156 /* TypeLiteral */) { + emitTypeOfVariableDeclarationFromTypeLiteral(node); + } + else if (!(node.parent.flags & 16 /* Private */)) { + writeTypeOfDeclaration(node, node.type, getParameterDeclarationTypeVisibilityError); + } + function getParameterDeclarationTypeVisibilityError(symbolAccesibilityResult) { + var diagnosticMessage = getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult); + return diagnosticMessage !== undefined ? { + diagnosticMessage: diagnosticMessage, + errorNode: node, + typeName: node.name + } : undefined; + } + function getParameterDeclarationTypeVisibilityDiagnosticMessage(symbolAccesibilityResult) { + switch (node.parent.kind) { + case 145 /* Constructor */: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_from_exported_class_has_or_is_using_private_name_1; + case 149 /* ConstructSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_constructor_signature_from_exported_interface_has_or_is_using_private_name_1; + case 148 /* CallSignature */: + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_call_signature_from_exported_interface_has_or_is_using_private_name_1; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (node.parent.flags & 64 /* Static */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_static_method_from_exported_class_has_or_is_using_private_name_1; + } + else if (node.parent.parent.kind === 217 /* ClassDeclaration */) { + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_public_method_from_exported_class_has_or_is_using_private_name_1; + } + else { + // Interfaces cannot have parameter types that cannot be named + return symbolAccesibilityResult.errorModuleName ? + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_method_from_exported_interface_has_or_is_using_private_name_1; + } + case 216 /* FunctionDeclaration */: + return symbolAccesibilityResult.errorModuleName ? + symbolAccesibilityResult.accessibility === 2 /* CannotBeNamed */ ? + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_external_module_2_but_cannot_be_named : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_name_1_from_private_module_2 : + ts.Diagnostics.Parameter_0_of_exported_function_has_or_is_using_private_name_1; + default: + ts.Debug.fail("This is unknown parent for parameter: " + node.parent.kind); + } + } + function emitBindingPattern(bindingPattern) { + // We have to explicitly emit square bracket and bracket because these tokens are not store inside the node. + if (bindingPattern.kind === 164 /* ObjectBindingPattern */) { + write("{"); + emitCommaList(bindingPattern.elements, emitBindingElement); + write("}"); + } + else if (bindingPattern.kind === 165 /* ArrayBindingPattern */) { + write("["); + var elements = bindingPattern.elements; + emitCommaList(elements, emitBindingElement); + if (elements && elements.hasTrailingComma) { + write(", "); + } + write("]"); + } + } + function emitBindingElement(bindingElement) { + if (bindingElement.kind === 190 /* OmittedExpression */) { + // If bindingElement is an omittedExpression (i.e. containing elision), + // we will emit blank space (although this may differ from users' original code, + // it allows emitSeparatedList to write separator appropriately) + // Example: + // original: function foo([, x, ,]) {} + // emit : function foo([ , x, , ]) {} + write(" "); + } + else if (bindingElement.kind === 166 /* BindingElement */) { + if (bindingElement.propertyName) { + // bindingElement has propertyName property in the following case: + // { y: [a,b,c] ...} -> bindingPattern will have a property called propertyName for "y" + // We have to explicitly emit the propertyName before descending into its binding elements. + // Example: + // original: function foo({y: [a,b,c]}) {} + // emit : declare function foo({y: [a, b, c]}: { y: [any, any, any] }) void; + writeTextOfNode(currentText, bindingElement.propertyName); + write(": "); + } + if (bindingElement.name) { + if (ts.isBindingPattern(bindingElement.name)) { + // If it is a nested binding pattern, we will recursively descend into each element and emit each one separately. + // In the case of rest element, we will omit rest element. + // Example: + // original: function foo([a, [[b]], c] = [1,[["string"]], 3]) {} + // emit : declare function foo([a, [[b]], c]: [number, [[string]], number]): void; + // original with rest: function foo([a, ...c]) {} + // emit : declare function foo([a, ...c]): void; + emitBindingPattern(bindingElement.name); + } + else { + ts.Debug.assert(bindingElement.name.kind === 69 /* Identifier */); + // If the node is just an identifier, we will simply emit the text associated with the node's name + // Example: + // original: function foo({y = 10, x}) {} + // emit : declare function foo({y, x}: {number, any}): void; + if (bindingElement.dotDotDotToken) { + write("..."); + } + writeTextOfNode(currentText, bindingElement.name); + } + } + } + } + } + function emitNode(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 221 /* ModuleDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 218 /* InterfaceDeclaration */: + case 217 /* ClassDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + return emitModuleElement(node, isModuleElementVisible(node)); + case 196 /* VariableStatement */: + return emitModuleElement(node, isVariableStatementVisible(node)); + case 225 /* ImportDeclaration */: + // Import declaration without import clause is visible, otherwise it is not visible + return emitModuleElement(node, /*isModuleElementVisible*/ !node.importClause); + case 231 /* ExportDeclaration */: + return emitExportDeclaration(node); + case 145 /* Constructor */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return writeFunctionDeclaration(node); + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 150 /* IndexSignature */: + return emitSignatureDeclarationWithJsDocComments(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return emitAccessorDeclaration(node); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return emitPropertyDeclaration(node); + case 250 /* EnumMember */: + return emitEnumMemberDeclaration(node); + case 230 /* ExportAssignment */: + return emitExportAssignment(node); + case 251 /* SourceFile */: + return emitSourceFile(node); + } + } + /** + * Adds the reference to referenced file, returns true if global file reference was emitted + * @param referencedFile + * @param addBundledFileReference Determines if global file reference corresponding to bundled file should be emitted or not + */ + function writeReferencePath(referencedFile, addBundledFileReference) { + var declFileName; + var addedBundledEmitReference = false; + if (ts.isDeclarationFile(referencedFile)) { + // Declaration file, use declaration file name + declFileName = referencedFile.fileName; + } + else { + // Get the declaration file path + ts.forEachExpectedEmitFile(host, getDeclFileName, referencedFile); + } + if (declFileName) { + declFileName = ts.getRelativePathToDirectoryOrUrl(ts.getDirectoryPath(ts.normalizeSlashes(declarationFilePath)), declFileName, host.getCurrentDirectory(), host.getCanonicalFileName, + /*isAbsolutePathAnUrl*/ false); + referencePathsOutput += "/// " + newLine; + } + return addedBundledEmitReference; + function getDeclFileName(emitFileNames, sourceFiles, isBundledEmit) { + // Dont add reference path to this file if it is a bundled emit and caller asked not emit bundled file path + if (isBundledEmit && !addBundledFileReference) { + return; + } + ts.Debug.assert(!!emitFileNames.declarationFilePath || ts.isSourceFileJavaScript(referencedFile), "Declaration file is not present only for javascript files"); + declFileName = emitFileNames.declarationFilePath || emitFileNames.jsFilePath; + addedBundledEmitReference = isBundledEmit; + } + } + } + /* @internal */ + function writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) { + var emitDeclarationResult = emitDeclarations(host, resolver, emitterDiagnostics, declarationFilePath, sourceFiles, isBundledEmit); + var emitSkipped = emitDeclarationResult.reportedDeclarationError || host.isEmitBlocked(declarationFilePath) || host.getCompilerOptions().noEmit; + if (!emitSkipped) { + var declarationOutput = emitDeclarationResult.referencePathsOutput + + getDeclarationOutput(emitDeclarationResult.synchronousDeclarationOutput, emitDeclarationResult.moduleElementDeclarationEmitInfo); + ts.writeFile(host, emitterDiagnostics, declarationFilePath, declarationOutput, host.getCompilerOptions().emitBOM); + } + return emitSkipped; + function getDeclarationOutput(synchronousDeclarationOutput, moduleElementDeclarationEmitInfo) { + var appliedSyncOutputPos = 0; + var declarationOutput = ""; + // apply asynchronous additions to the synchronous output + ts.forEach(moduleElementDeclarationEmitInfo, function (aliasEmitInfo) { + if (aliasEmitInfo.asynchronousOutput) { + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos, aliasEmitInfo.outputPos); + declarationOutput += getDeclarationOutput(aliasEmitInfo.asynchronousOutput, aliasEmitInfo.subModuleElementDeclarationEmitInfo); + appliedSyncOutputPos = aliasEmitInfo.outputPos; + } + }); + declarationOutput += synchronousDeclarationOutput.substring(appliedSyncOutputPos); + return declarationOutput; + } + } + ts.writeDeclarationFile = writeDeclarationFile; +})(ts || (ts = {})); +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + function getResolvedExternalModuleName(host, file) { + return file.moduleName || ts.getExternalModuleNameFromPath(host, file.fileName); + } + ts.getResolvedExternalModuleName = getResolvedExternalModuleName; + function getExternalModuleNameFromDeclaration(host, resolver, declaration) { + var file = resolver.getExternalModuleFileFromDeclaration(declaration); + if (!file || ts.isDeclarationFile(file)) { + return undefined; + } + return getResolvedExternalModuleName(host, file); + } + ts.getExternalModuleNameFromDeclaration = getExternalModuleNameFromDeclaration; + var Jump; + (function (Jump) { + Jump[Jump["Break"] = 2] = "Break"; + Jump[Jump["Continue"] = 4] = "Continue"; + Jump[Jump["Return"] = 8] = "Return"; + })(Jump || (Jump = {})); + var entities = { + "quot": 0x0022, + "amp": 0x0026, + "apos": 0x0027, + "lt": 0x003C, + "gt": 0x003E, + "nbsp": 0x00A0, + "iexcl": 0x00A1, + "cent": 0x00A2, + "pound": 0x00A3, + "curren": 0x00A4, + "yen": 0x00A5, + "brvbar": 0x00A6, + "sect": 0x00A7, + "uml": 0x00A8, + "copy": 0x00A9, + "ordf": 0x00AA, + "laquo": 0x00AB, + "not": 0x00AC, + "shy": 0x00AD, + "reg": 0x00AE, + "macr": 0x00AF, + "deg": 0x00B0, + "plusmn": 0x00B1, + "sup2": 0x00B2, + "sup3": 0x00B3, + "acute": 0x00B4, + "micro": 0x00B5, + "para": 0x00B6, + "middot": 0x00B7, + "cedil": 0x00B8, + "sup1": 0x00B9, + "ordm": 0x00BA, + "raquo": 0x00BB, + "frac14": 0x00BC, + "frac12": 0x00BD, + "frac34": 0x00BE, + "iquest": 0x00BF, + "Agrave": 0x00C0, + "Aacute": 0x00C1, + "Acirc": 0x00C2, + "Atilde": 0x00C3, + "Auml": 0x00C4, + "Aring": 0x00C5, + "AElig": 0x00C6, + "Ccedil": 0x00C7, + "Egrave": 0x00C8, + "Eacute": 0x00C9, + "Ecirc": 0x00CA, + "Euml": 0x00CB, + "Igrave": 0x00CC, + "Iacute": 0x00CD, + "Icirc": 0x00CE, + "Iuml": 0x00CF, + "ETH": 0x00D0, + "Ntilde": 0x00D1, + "Ograve": 0x00D2, + "Oacute": 0x00D3, + "Ocirc": 0x00D4, + "Otilde": 0x00D5, + "Ouml": 0x00D6, + "times": 0x00D7, + "Oslash": 0x00D8, + "Ugrave": 0x00D9, + "Uacute": 0x00DA, + "Ucirc": 0x00DB, + "Uuml": 0x00DC, + "Yacute": 0x00DD, + "THORN": 0x00DE, + "szlig": 0x00DF, + "agrave": 0x00E0, + "aacute": 0x00E1, + "acirc": 0x00E2, + "atilde": 0x00E3, + "auml": 0x00E4, + "aring": 0x00E5, + "aelig": 0x00E6, + "ccedil": 0x00E7, + "egrave": 0x00E8, + "eacute": 0x00E9, + "ecirc": 0x00EA, + "euml": 0x00EB, + "igrave": 0x00EC, + "iacute": 0x00ED, + "icirc": 0x00EE, + "iuml": 0x00EF, + "eth": 0x00F0, + "ntilde": 0x00F1, + "ograve": 0x00F2, + "oacute": 0x00F3, + "ocirc": 0x00F4, + "otilde": 0x00F5, + "ouml": 0x00F6, + "divide": 0x00F7, + "oslash": 0x00F8, + "ugrave": 0x00F9, + "uacute": 0x00FA, + "ucirc": 0x00FB, + "uuml": 0x00FC, + "yacute": 0x00FD, + "thorn": 0x00FE, + "yuml": 0x00FF, + "OElig": 0x0152, + "oelig": 0x0153, + "Scaron": 0x0160, + "scaron": 0x0161, + "Yuml": 0x0178, + "fnof": 0x0192, + "circ": 0x02C6, + "tilde": 0x02DC, + "Alpha": 0x0391, + "Beta": 0x0392, + "Gamma": 0x0393, + "Delta": 0x0394, + "Epsilon": 0x0395, + "Zeta": 0x0396, + "Eta": 0x0397, + "Theta": 0x0398, + "Iota": 0x0399, + "Kappa": 0x039A, + "Lambda": 0x039B, + "Mu": 0x039C, + "Nu": 0x039D, + "Xi": 0x039E, + "Omicron": 0x039F, + "Pi": 0x03A0, + "Rho": 0x03A1, + "Sigma": 0x03A3, + "Tau": 0x03A4, + "Upsilon": 0x03A5, + "Phi": 0x03A6, + "Chi": 0x03A7, + "Psi": 0x03A8, + "Omega": 0x03A9, + "alpha": 0x03B1, + "beta": 0x03B2, + "gamma": 0x03B3, + "delta": 0x03B4, + "epsilon": 0x03B5, + "zeta": 0x03B6, + "eta": 0x03B7, + "theta": 0x03B8, + "iota": 0x03B9, + "kappa": 0x03BA, + "lambda": 0x03BB, + "mu": 0x03BC, + "nu": 0x03BD, + "xi": 0x03BE, + "omicron": 0x03BF, + "pi": 0x03C0, + "rho": 0x03C1, + "sigmaf": 0x03C2, + "sigma": 0x03C3, + "tau": 0x03C4, + "upsilon": 0x03C5, + "phi": 0x03C6, + "chi": 0x03C7, + "psi": 0x03C8, + "omega": 0x03C9, + "thetasym": 0x03D1, + "upsih": 0x03D2, + "piv": 0x03D6, + "ensp": 0x2002, + "emsp": 0x2003, + "thinsp": 0x2009, + "zwnj": 0x200C, + "zwj": 0x200D, + "lrm": 0x200E, + "rlm": 0x200F, + "ndash": 0x2013, + "mdash": 0x2014, + "lsquo": 0x2018, + "rsquo": 0x2019, + "sbquo": 0x201A, + "ldquo": 0x201C, + "rdquo": 0x201D, + "bdquo": 0x201E, + "dagger": 0x2020, + "Dagger": 0x2021, + "bull": 0x2022, + "hellip": 0x2026, + "permil": 0x2030, + "prime": 0x2032, + "Prime": 0x2033, + "lsaquo": 0x2039, + "rsaquo": 0x203A, + "oline": 0x203E, + "frasl": 0x2044, + "euro": 0x20AC, + "image": 0x2111, + "weierp": 0x2118, + "real": 0x211C, + "trade": 0x2122, + "alefsym": 0x2135, + "larr": 0x2190, + "uarr": 0x2191, + "rarr": 0x2192, + "darr": 0x2193, + "harr": 0x2194, + "crarr": 0x21B5, + "lArr": 0x21D0, + "uArr": 0x21D1, + "rArr": 0x21D2, + "dArr": 0x21D3, + "hArr": 0x21D4, + "forall": 0x2200, + "part": 0x2202, + "exist": 0x2203, + "empty": 0x2205, + "nabla": 0x2207, + "isin": 0x2208, + "notin": 0x2209, + "ni": 0x220B, + "prod": 0x220F, + "sum": 0x2211, + "minus": 0x2212, + "lowast": 0x2217, + "radic": 0x221A, + "prop": 0x221D, + "infin": 0x221E, + "ang": 0x2220, + "and": 0x2227, + "or": 0x2228, + "cap": 0x2229, + "cup": 0x222A, + "int": 0x222B, + "there4": 0x2234, + "sim": 0x223C, + "cong": 0x2245, + "asymp": 0x2248, + "ne": 0x2260, + "equiv": 0x2261, + "le": 0x2264, + "ge": 0x2265, + "sub": 0x2282, + "sup": 0x2283, + "nsub": 0x2284, + "sube": 0x2286, + "supe": 0x2287, + "oplus": 0x2295, + "otimes": 0x2297, + "perp": 0x22A5, + "sdot": 0x22C5, + "lceil": 0x2308, + "rceil": 0x2309, + "lfloor": 0x230A, + "rfloor": 0x230B, + "lang": 0x2329, + "rang": 0x232A, + "loz": 0x25CA, + "spades": 0x2660, + "clubs": 0x2663, + "hearts": 0x2665, + "diams": 0x2666 + }; + // Flags enum to track count of temp variables and a few dedicated names + var TempFlags; + (function (TempFlags) { + TempFlags[TempFlags["Auto"] = 0] = "Auto"; + TempFlags[TempFlags["CountMask"] = 268435455] = "CountMask"; + TempFlags[TempFlags["_i"] = 268435456] = "_i"; + })(TempFlags || (TempFlags = {})); + var CopyDirection; + (function (CopyDirection) { + CopyDirection[CopyDirection["ToOriginal"] = 0] = "ToOriginal"; + CopyDirection[CopyDirection["ToOutParameter"] = 1] = "ToOutParameter"; + })(CopyDirection || (CopyDirection = {})); + // targetSourceFile is when users only want one file in entire project to be emitted. This is used in compileOnSave feature + function emitFiles(resolver, host, targetSourceFile) { + // emit output for the __extends helper function + var extendsHelper = "\nvar __extends = (this && this.__extends) || function (d, b) {\n for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];\n function __() { this.constructor = d; }\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n};"; + // emit output for the __decorate helper function + var decorateHelper = "\nvar __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};"; + // emit output for the __metadata helper function + var metadataHelper = "\nvar __metadata = (this && this.__metadata) || function (k, v) {\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(k, v);\n};"; + // emit output for the __param helper function + var paramHelper = "\nvar __param = (this && this.__param) || function (paramIndex, decorator) {\n return function (target, key) { decorator(target, key, paramIndex); }\n};"; + var awaiterHelper = "\nvar __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments)).next());\n });\n};"; + var compilerOptions = host.getCompilerOptions(); + var languageVersion = ts.getEmitScriptTarget(compilerOptions); + var modulekind = ts.getEmitModuleKind(compilerOptions); + var sourceMapDataList = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? [] : undefined; + var emitterDiagnostics = ts.createDiagnosticCollection(); + var emitSkipped = false; + var newLine = host.getNewLine(); + var emitJavaScript = createFileEmitter(); + ts.forEachExpectedEmitFile(host, emitFile, targetSourceFile); + return { + emitSkipped: emitSkipped, + diagnostics: emitterDiagnostics.getDiagnostics(), + sourceMaps: sourceMapDataList + }; + function isUniqueLocalName(name, container) { + for (var node = container; ts.isNodeDescendentOf(node, container); node = node.nextContainer) { + if (node.locals && ts.hasProperty(node.locals, name)) { + // We conservatively include alias symbols to cover cases where they're emitted as locals + if (node.locals[name].flags & (107455 /* Value */ | 1048576 /* ExportValue */ | 8388608 /* Alias */)) { + return false; + } + } + } + return true; + } + function setLabeledJump(state, isBreak, labelText, labelMarker) { + if (isBreak) { + if (!state.labeledNonLocalBreaks) { + state.labeledNonLocalBreaks = {}; + } + state.labeledNonLocalBreaks[labelText] = labelMarker; + } + else { + if (!state.labeledNonLocalContinues) { + state.labeledNonLocalContinues = {}; + } + state.labeledNonLocalContinues[labelText] = labelMarker; + } + } + function hoistVariableDeclarationFromLoop(state, declaration) { + if (!state.hoistedLocalVariables) { + state.hoistedLocalVariables = []; + } + visit(declaration.name); + function visit(node) { + if (node.kind === 69 /* Identifier */) { + state.hoistedLocalVariables.push(node); + } + else { + for (var _a = 0, _b = node.elements; _a < _b.length; _a++) { + var element = _b[_a]; + visit(element.name); + } + } + } + } + function createFileEmitter() { + var writer = ts.createTextWriter(newLine); + var write = writer.write, writeTextOfNode = writer.writeTextOfNode, writeLine = writer.writeLine, increaseIndent = writer.increaseIndent, decreaseIndent = writer.decreaseIndent; + var sourceMap = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? ts.createSourceMapWriter(host, writer) : ts.getNullSourceMapWriter(); + var setSourceFile = sourceMap.setSourceFile, emitStart = sourceMap.emitStart, emitEnd = sourceMap.emitEnd, emitPos = sourceMap.emitPos; + var currentSourceFile; + var currentText; + var currentLineMap; + var currentFileIdentifiers; + var renamedDependencies; + var isEs6Module; + var isCurrentFileExternalModule; + // name of an exporter function if file is a System external module + // System.register([...], function () {...}) + // exporting in System modules looks like: + // export var x; ... x = 1 + // => + // var x;... exporter("x", x = 1) + var exportFunctionForFile; + var contextObjectForFile; + var generatedNameSet; + var nodeToGeneratedName; + var computedPropertyNamesToGeneratedNames; + var decoratedClassAliases; + var convertedLoopState; + var extendsEmitted; + var decorateEmitted; + var paramEmitted; + var awaiterEmitted; + var tempFlags = 0; + var tempVariables; + var tempParameters; + var externalImports; + var exportSpecifiers; + var exportEquals; + var hasExportStarsToExportValues; + var detachedCommentsInfo; + /** Sourcemap data that will get encoded */ + var sourceMapData; + /** Is the file being emitted into its own file */ + var isOwnFileEmit; + /** If removeComments is true, no leading-comments needed to be emitted **/ + var emitLeadingCommentsOfPosition = compilerOptions.removeComments ? function (pos) { } : emitLeadingCommentsOfPositionWorker; + var setSourceMapWriterEmit = compilerOptions.sourceMap || compilerOptions.inlineSourceMap ? changeSourceMapEmit : function (writer) { }; + var moduleEmitDelegates = (_a = {}, + _a[5 /* ES6 */] = emitES6Module, + _a[2 /* AMD */] = emitAMDModule, + _a[4 /* System */] = emitSystemModule, + _a[3 /* UMD */] = emitUMDModule, + _a[1 /* CommonJS */] = emitCommonJSModule, + _a + ); + var bundleEmitDelegates = (_b = {}, + _b[5 /* ES6 */] = function () { }, + _b[2 /* AMD */] = emitAMDModule, + _b[4 /* System */] = emitSystemModule, + _b[3 /* UMD */] = function () { }, + _b[1 /* CommonJS */] = function () { }, + _b + ); + return doEmit; + function doEmit(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit) { + sourceMap.initialize(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + generatedNameSet = {}; + nodeToGeneratedName = []; + decoratedClassAliases = []; + isOwnFileEmit = !isBundledEmit; + // Emit helpers from all the files + if (isBundledEmit && modulekind) { + ts.forEach(sourceFiles, emitEmitHelpers); + } + // Do not call emit directly. It does not set the currentSourceFile. + ts.forEach(sourceFiles, emitSourceFile); + writeLine(); + var sourceMappingURL = sourceMap.getSourceMappingURL(); + if (sourceMappingURL) { + write("//# sourceMappingURL=" + sourceMappingURL); + } + writeEmittedFiles(writer.getText(), jsFilePath, sourceMapFilePath, /*writeByteOrderMark*/ compilerOptions.emitBOM); + // reset the state + sourceMap.reset(); + writer.reset(); + currentSourceFile = undefined; + currentText = undefined; + currentLineMap = undefined; + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + generatedNameSet = undefined; + nodeToGeneratedName = undefined; + decoratedClassAliases = undefined; + computedPropertyNamesToGeneratedNames = undefined; + convertedLoopState = undefined; + extendsEmitted = false; + decorateEmitted = false; + paramEmitted = false; + awaiterEmitted = false; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = undefined; + detachedCommentsInfo = undefined; + sourceMapData = undefined; + isEs6Module = false; + renamedDependencies = undefined; + isCurrentFileExternalModule = false; + } + function emitSourceFile(sourceFile) { + currentSourceFile = sourceFile; + currentText = sourceFile.text; + currentLineMap = ts.getLineStarts(sourceFile); + exportFunctionForFile = undefined; + contextObjectForFile = undefined; + isEs6Module = sourceFile.symbol && sourceFile.symbol.exports && !!sourceFile.symbol.exports["___esModule"]; + renamedDependencies = sourceFile.renamedDependencies; + currentFileIdentifiers = sourceFile.identifiers; + isCurrentFileExternalModule = ts.isExternalModule(sourceFile); + setSourceFile(sourceFile); + emitNodeWithCommentsAndWithoutSourcemap(sourceFile); + } + function isUniqueName(name) { + return !resolver.hasGlobalName(name) && + !ts.hasProperty(currentFileIdentifiers, name) && + !ts.hasProperty(generatedNameSet, name); + } + // Return the next available name in the pattern _a ... _z, _0, _1, ... + // TempFlags._i or TempFlags._n may be used to express a preference for that dedicated name. + // Note that names generated by makeTempVariableName and makeUniqueName will never conflict. + function makeTempVariableName(flags) { + if (flags && !(tempFlags & flags)) { + var name_22 = flags === 268435456 /* _i */ ? "_i" : "_n"; + if (isUniqueName(name_22)) { + tempFlags |= flags; + return name_22; + } + } + while (true) { + var count = tempFlags & 268435455 /* CountMask */; + tempFlags++; + // Skip over 'i' and 'n' + if (count !== 8 && count !== 13) { + var name_23 = count < 26 ? "_" + String.fromCharCode(97 /* a */ + count) : "_" + (count - 26); + if (isUniqueName(name_23)) { + return name_23; + } + } + } + } + // Generate a name that is unique within the current file and doesn't conflict with any names + // in global scope. The name is formed by adding an '_n' suffix to the specified base name, + // where n is a positive integer. Note that names generated by makeTempVariableName and + // makeUniqueName are guaranteed to never conflict. + function makeUniqueName(baseName) { + // Find the first unique 'name_n', where n is a positive number + if (baseName.charCodeAt(baseName.length - 1) !== 95 /* _ */) { + baseName += "_"; + } + var i = 1; + while (true) { + var generatedName = baseName + i; + if (isUniqueName(generatedName)) { + return generatedNameSet[generatedName] = generatedName; + } + i++; + } + } + function generateNameForModuleOrEnum(node) { + var name = node.name.text; + // Use module/enum name itself if it is unique, otherwise make a unique variation + return isUniqueLocalName(name, node) ? name : makeUniqueName(name); + } + function generateNameForImportOrExportDeclaration(node) { + var expr = ts.getExternalModuleName(node); + var baseName = expr.kind === 9 /* StringLiteral */ ? + ts.escapeIdentifier(ts.makeIdentifierFromModuleName(expr.text)) : "module"; + return makeUniqueName(baseName); + } + function generateNameForExportDefault() { + return makeUniqueName("default"); + } + function generateNameForClassExpression() { + return makeUniqueName("class"); + } + function generateNameForNode(node) { + switch (node.kind) { + case 69 /* Identifier */: + return makeUniqueName(node.text); + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + return generateNameForModuleOrEnum(node); + case 225 /* ImportDeclaration */: + case 231 /* ExportDeclaration */: + return generateNameForImportOrExportDeclaration(node); + case 216 /* FunctionDeclaration */: + case 217 /* ClassDeclaration */: + case 230 /* ExportAssignment */: + return generateNameForExportDefault(); + case 189 /* ClassExpression */: + return generateNameForClassExpression(); + } + } + function getGeneratedNameForNode(node) { + var id = ts.getNodeId(node); + return nodeToGeneratedName[id] || (nodeToGeneratedName[id] = ts.unescapeIdentifier(generateNameForNode(node))); + } + /** Write emitted output to disk */ + function writeEmittedFiles(emitOutput, jsFilePath, sourceMapFilePath, writeByteOrderMark) { + if (compilerOptions.sourceMap && !compilerOptions.inlineSourceMap) { + ts.writeFile(host, emitterDiagnostics, sourceMapFilePath, sourceMap.getText(), /*writeByteOrderMark*/ false); + } + if (sourceMapDataList) { + sourceMapDataList.push(sourceMap.getSourceMapData()); + } + ts.writeFile(host, emitterDiagnostics, jsFilePath, emitOutput, writeByteOrderMark); + } + // Create a temporary variable with a unique unused name. + function createTempVariable(flags) { + var result = ts.createSynthesizedNode(69 /* Identifier */); + result.text = makeTempVariableName(flags); + return result; + } + function recordTempDeclaration(name) { + if (!tempVariables) { + tempVariables = []; + } + tempVariables.push(name); + } + function createAndRecordTempVariable(flags) { + var temp = createTempVariable(flags); + recordTempDeclaration(temp); + return temp; + } + function emitTempDeclarations(newLine) { + if (tempVariables) { + if (newLine) { + writeLine(); + } + else { + write(" "); + } + write("var "); + emitCommaList(tempVariables); + write(";"); + } + } + /** Emit the text for the given token that comes after startPos + * This by default writes the text provided with the given tokenKind + * but if optional emitFn callback is provided the text is emitted using the callback instead of default text + * @param tokenKind the kind of the token to search and emit + * @param startPos the position in the source to start searching for the token + * @param emitFn if given will be invoked to emit the text instead of actual token emit */ + function emitToken(tokenKind, startPos, emitFn) { + var tokenStartPos = ts.skipTrivia(currentText, startPos); + emitPos(tokenStartPos); + var tokenString = ts.tokenToString(tokenKind); + if (emitFn) { + emitFn(); + } + else { + write(tokenString); + } + var tokenEndPos = tokenStartPos + tokenString.length; + emitPos(tokenEndPos); + return tokenEndPos; + } + function emitOptional(prefix, node) { + if (node) { + write(prefix); + emit(node); + } + } + function emitParenthesizedIf(node, parenthesized) { + if (parenthesized) { + write("("); + } + emit(node); + if (parenthesized) { + write(")"); + } + } + function emitLinePreservingList(parent, nodes, allowTrailingComma, spacesBetweenBraces) { + ts.Debug.assert(nodes.length > 0); + increaseIndent(); + if (nodeStartPositionsAreOnSameLine(parent, nodes[0])) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + for (var i = 0, n = nodes.length; i < n; i++) { + if (i) { + if (nodeEndIsOnSameLineAsNodeStart(nodes[i - 1], nodes[i])) { + write(", "); + } + else { + write(","); + writeLine(); + } + } + emit(nodes[i]); + } + if (nodes.hasTrailingComma && allowTrailingComma) { + write(","); + } + decreaseIndent(); + if (nodeEndPositionsAreOnSameLine(parent, ts.lastOrUndefined(nodes))) { + if (spacesBetweenBraces) { + write(" "); + } + } + else { + writeLine(); + } + } + function emitList(nodes, start, count, multiLine, trailingComma, leadingComma, noTrailingNewLine, emitNode) { + if (!emitNode) { + emitNode = emit; + } + for (var i = 0; i < count; i++) { + if (multiLine) { + if (i || leadingComma) { + write(","); + } + writeLine(); + } + else { + if (i || leadingComma) { + write(", "); + } + } + var node = nodes[start + i]; + // This emitting is to make sure we emit following comment properly + // ...(x, /*comment1*/ y)... + // ^ => node.pos + // "comment1" is not considered leading comment for "y" but rather + // considered as trailing comment of the previous node. + emitTrailingCommentsOfPosition(node.pos); + emitNode(node); + leadingComma = true; + } + if (trailingComma) { + write(","); + } + if (multiLine && !noTrailingNewLine) { + writeLine(); + } + return count; + } + function emitCommaList(nodes) { + if (nodes) { + emitList(nodes, 0, nodes.length, /*multiLine*/ false, /*trailingComma*/ false); + } + } + function emitLines(nodes) { + emitLinesStartingAt(nodes, /*startIndex*/ 0); + } + function emitLinesStartingAt(nodes, startIndex) { + for (var i = startIndex; i < nodes.length; i++) { + writeLine(); + emit(nodes[i]); + } + } + function isBinaryOrOctalIntegerLiteral(node, text) { + if (node.kind === 8 /* NumericLiteral */ && text.length > 1) { + switch (text.charCodeAt(1)) { + case 98 /* b */: + case 66 /* B */: + case 111 /* o */: + case 79 /* O */: + return true; + } + } + return false; + } + function emitLiteral(node) { + var text = getLiteralText(node); + if ((compilerOptions.sourceMap || compilerOptions.inlineSourceMap) && (node.kind === 9 /* StringLiteral */ || ts.isTemplateLiteralKind(node.kind))) { + writer.writeLiteral(text); + } + else if (languageVersion < 2 /* ES6 */ && isBinaryOrOctalIntegerLiteral(node, text)) { + write(node.text); + } + else { + write(text); + } + } + function getLiteralText(node) { + // Any template literal or string literal with an extended escape + // (e.g. "\u{0067}") will need to be downleveled as a escaped string literal. + if (languageVersion < 2 /* ES6 */ && (ts.isTemplateLiteralKind(node.kind) || node.hasExtendedUnicodeEscape)) { + return getQuotedEscapedLiteralText("\"", node.text, "\""); + } + // If we don't need to downlevel and we can reach the original source text using + // the node's parent reference, then simply get the text as it was originally written. + if (node.parent) { + return ts.getTextOfNodeFromSourceText(currentText, node); + } + // If we can't reach the original source text, use the canonical form if it's a number, + // or an escaped quoted form of the original text if it's string-like. + switch (node.kind) { + case 9 /* StringLiteral */: + return getQuotedEscapedLiteralText("\"", node.text, "\""); + case 11 /* NoSubstitutionTemplateLiteral */: + return getQuotedEscapedLiteralText("`", node.text, "`"); + case 12 /* TemplateHead */: + return getQuotedEscapedLiteralText("`", node.text, "${"); + case 13 /* TemplateMiddle */: + return getQuotedEscapedLiteralText("}", node.text, "${"); + case 14 /* TemplateTail */: + return getQuotedEscapedLiteralText("}", node.text, "`"); + case 8 /* NumericLiteral */: + return node.text; + } + ts.Debug.fail("Literal kind '" + node.kind + "' not accounted for."); + } + function getQuotedEscapedLiteralText(leftQuote, text, rightQuote) { + return leftQuote + ts.escapeNonAsciiCharacters(ts.escapeString(text)) + rightQuote; + } + function emitDownlevelRawTemplateLiteral(node) { + // Find original source text, since we need to emit the raw strings of the tagged template. + // The raw strings contain the (escaped) strings of what the user wrote. + // Examples: `\n` is converted to "\\n", a template string with a newline to "\n". + var text = ts.getTextOfNodeFromSourceText(currentText, node); + // text contains the original source, it will also contain quotes ("`"), dolar signs and braces ("${" and "}"), + // thus we need to remove those characters. + // First template piece starts with "`", others with "}" + // Last template piece ends with "`", others with "${" + var isLast = node.kind === 11 /* NoSubstitutionTemplateLiteral */ || node.kind === 14 /* TemplateTail */; + text = text.substring(1, text.length - (isLast ? 1 : 2)); + // Newline normalization: + // ES6 Spec 11.8.6.1 - Static Semantics of TV's and TRV's + // and LineTerminatorSequences are normalized to for both TV and TRV. + text = text.replace(/\r\n?/g, "\n"); + text = ts.escapeString(text); + write("\"" + text + "\""); + } + function emitDownlevelTaggedTemplateArray(node, literalEmitter) { + write("["); + if (node.template.kind === 11 /* NoSubstitutionTemplateLiteral */) { + literalEmitter(node.template); + } + else { + literalEmitter(node.template.head); + ts.forEach(node.template.templateSpans, function (child) { + write(", "); + literalEmitter(child.literal); + }); + } + write("]"); + } + function emitDownlevelTaggedTemplate(node) { + var tempVariable = createAndRecordTempVariable(0 /* Auto */); + write("("); + emit(tempVariable); + write(" = "); + emitDownlevelTaggedTemplateArray(node, emit); + write(", "); + emit(tempVariable); + write(".raw = "); + emitDownlevelTaggedTemplateArray(node, emitDownlevelRawTemplateLiteral); + write(", "); + emitParenthesizedIf(node.tag, needsParenthesisForPropertyAccessOrInvocation(node.tag)); + write("("); + emit(tempVariable); + // Now we emit the expressions + if (node.template.kind === 186 /* TemplateExpression */) { + ts.forEach(node.template.templateSpans, function (templateSpan) { + write(", "); + var needsParens = templateSpan.expression.kind === 184 /* BinaryExpression */ + && templateSpan.expression.operatorToken.kind === 24 /* CommaToken */; + emitParenthesizedIf(templateSpan.expression, needsParens); + }); + } + write("))"); + } + function emitTemplateExpression(node) { + // In ES6 mode and above, we can simply emit each portion of a template in order, but in + // ES3 & ES5 we must convert the template expression into a series of string concatenations. + if (languageVersion >= 2 /* ES6 */) { + ts.forEachChild(node, emit); + return; + } + var emitOuterParens = ts.isExpression(node.parent) + && templateNeedsParens(node, node.parent); + if (emitOuterParens) { + write("("); + } + var headEmitted = false; + if (shouldEmitTemplateHead()) { + emitLiteral(node.head); + headEmitted = true; + } + for (var i = 0, n = node.templateSpans.length; i < n; i++) { + var templateSpan = node.templateSpans[i]; + // Check if the expression has operands and binds its operands less closely than binary '+'. + // If it does, we need to wrap the expression in parentheses. Otherwise, something like + // `abc${ 1 << 2 }` + // becomes + // "abc" + 1 << 2 + "" + // which is really + // ("abc" + 1) << (2 + "") + // rather than + // "abc" + (1 << 2) + "" + var needsParens = templateSpan.expression.kind !== 175 /* ParenthesizedExpression */ + && comparePrecedenceToBinaryPlus(templateSpan.expression) !== 1 /* GreaterThan */; + if (i > 0 || headEmitted) { + // If this is the first span and the head was not emitted, then this templateSpan's + // expression will be the first to be emitted. Don't emit the preceding ' + ' in that + // case. + write(" + "); + } + emitParenthesizedIf(templateSpan.expression, needsParens); + // Only emit if the literal is non-empty. + // The binary '+' operator is left-associative, so the first string concatenation + // with the head will force the result up to this point to be a string. + // Emitting a '+ ""' has no semantic effect for middles and tails. + if (templateSpan.literal.text.length !== 0) { + write(" + "); + emitLiteral(templateSpan.literal); + } + } + if (emitOuterParens) { + write(")"); + } + function shouldEmitTemplateHead() { + // If this expression has an empty head literal and the first template span has a non-empty + // literal, then emitting the empty head literal is not necessary. + // `${ foo } and ${ bar }` + // can be emitted as + // foo + " and " + bar + // This is because it is only required that one of the first two operands in the emit + // output must be a string literal, so that the other operand and all following operands + // are forced into strings. + // + // If the first template span has an empty literal, then the head must still be emitted. + // `${ foo }${ bar }` + // must still be emitted as + // "" + foo + bar + // There is always atleast one templateSpan in this code path, since + // NoSubstitutionTemplateLiterals are directly emitted via emitLiteral() + ts.Debug.assert(node.templateSpans.length !== 0); + return node.head.text.length !== 0 || node.templateSpans[0].literal.text.length === 0; + } + function templateNeedsParens(template, parent) { + switch (parent.kind) { + case 171 /* CallExpression */: + case 172 /* NewExpression */: + return parent.expression === template; + case 173 /* TaggedTemplateExpression */: + case 175 /* ParenthesizedExpression */: + return false; + default: + return comparePrecedenceToBinaryPlus(parent) !== -1 /* LessThan */; + } + } + /** + * Returns whether the expression has lesser, greater, + * or equal precedence to the binary '+' operator + */ + function comparePrecedenceToBinaryPlus(expression) { + // All binary expressions have lower precedence than '+' apart from '*', '/', and '%' + // which have greater precedence and '-' which has equal precedence. + // All unary operators have a higher precedence apart from yield. + // Arrow functions and conditionals have a lower precedence, + // although we convert the former into regular function expressions in ES5 mode, + // and in ES6 mode this function won't get called anyway. + // + // TODO (drosen): Note that we need to account for the upcoming 'yield' and + // spread ('...') unary operators that are anticipated for ES6. + switch (expression.kind) { + case 184 /* BinaryExpression */: + switch (expression.operatorToken.kind) { + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + return 1 /* GreaterThan */; + case 35 /* PlusToken */: + case 36 /* MinusToken */: + return 0 /* EqualTo */; + default: + return -1 /* LessThan */; + } + case 187 /* YieldExpression */: + case 185 /* ConditionalExpression */: + return -1 /* LessThan */; + default: + return 1 /* GreaterThan */; + } + } + } + function emitTemplateSpan(span) { + emit(span.expression); + emit(span.literal); + } + function jsxEmitReact(node) { + /// Emit a tag name, which is either '"div"' for lower-cased names, or + /// 'Div' for upper-cased or dotted names + function emitTagName(name) { + if (name.kind === 69 /* Identifier */ && ts.isIntrinsicJsxName(name.text)) { + write("\""); + emit(name); + write("\""); + } + else { + emit(name); + } + } + /// Emit an attribute name, which is quoted if it needs to be quoted. Because + /// these emit into an object literal property name, we don't need to be worried + /// about keywords, just non-identifier characters + function emitAttributeName(name) { + if (/^[A-Za-z_]\w*$/.test(name.text)) { + emit(name); + } + else { + write("\""); + emit(name); + write("\""); + } + } + /// Emit an name/value pair for an attribute (e.g. "x: 3") + function emitJsxAttribute(node) { + emitAttributeName(node.name); + write(": "); + if (node.initializer) { + emit(node.initializer); + } + else { + write("true"); + } + } + function emitJsxElement(openingNode, children) { + var syntheticReactRef = ts.createSynthesizedNode(69 /* Identifier */); + syntheticReactRef.text = compilerOptions.reactNamespace ? compilerOptions.reactNamespace : "React"; + syntheticReactRef.parent = openingNode; + // Call React.createElement(tag, ... + emitLeadingComments(openingNode); + emitExpressionIdentifier(syntheticReactRef); + write(".createElement("); + emitTagName(openingNode.tagName); + write(", "); + // Attribute list + if (openingNode.attributes.length === 0) { + // When there are no attributes, React wants "null" + write("null"); + } + else { + // Either emit one big object literal (no spread attribs), or + // a call to React.__spread + var attrs = openingNode.attributes; + if (ts.forEach(attrs, function (attr) { return attr.kind === 242 /* JsxSpreadAttribute */; })) { + emitExpressionIdentifier(syntheticReactRef); + write(".__spread("); + var haveOpenedObjectLiteral = false; + for (var i = 0; i < attrs.length; i++) { + if (attrs[i].kind === 242 /* JsxSpreadAttribute */) { + // If this is the first argument, we need to emit a {} as the first argument + if (i === 0) { + write("{}, "); + } + if (haveOpenedObjectLiteral) { + write("}"); + haveOpenedObjectLiteral = false; + } + if (i > 0) { + write(", "); + } + emit(attrs[i].expression); + } + else { + ts.Debug.assert(attrs[i].kind === 241 /* JsxAttribute */); + if (haveOpenedObjectLiteral) { + write(", "); + } + else { + haveOpenedObjectLiteral = true; + if (i > 0) { + write(", "); + } + write("{"); + } + emitJsxAttribute(attrs[i]); + } + } + if (haveOpenedObjectLiteral) + write("}"); + write(")"); // closing paren to React.__spread( + } + else { + // One object literal with all the attributes in them + write("{"); + for (var i = 0, n = attrs.length; i < n; i++) { + if (i > 0) { + write(", "); + } + emitJsxAttribute(attrs[i]); + } + write("}"); + } + } + // Children + if (children) { + for (var i = 0; i < children.length; i++) { + // Don't emit empty expressions + if (children[i].kind === 243 /* JsxExpression */ && !(children[i].expression)) { + continue; + } + // Don't emit empty strings + if (children[i].kind === 239 /* JsxText */) { + var text = getTextToEmit(children[i]); + if (text !== undefined) { + write(", \""); + write(text); + write("\""); + } + } + else { + write(", "); + emit(children[i]); + } + } + } + // Closing paren + write(")"); // closes "React.createElement(" + emitTrailingComments(openingNode); + } + if (node.kind === 236 /* JsxElement */) { + emitJsxElement(node.openingElement, node.children); + } + else { + ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); + emitJsxElement(node); + } + } + function jsxEmitPreserve(node) { + function emitJsxAttribute(node) { + emit(node.name); + if (node.initializer) { + write("="); + emit(node.initializer); + } + } + function emitJsxSpreadAttribute(node) { + write("{..."); + emit(node.expression); + write("}"); + } + function emitAttributes(attribs) { + for (var i = 0, n = attribs.length; i < n; i++) { + if (i > 0) { + write(" "); + } + if (attribs[i].kind === 242 /* JsxSpreadAttribute */) { + emitJsxSpreadAttribute(attribs[i]); + } + else { + ts.Debug.assert(attribs[i].kind === 241 /* JsxAttribute */); + emitJsxAttribute(attribs[i]); + } + } + } + function emitJsxOpeningOrSelfClosingElement(node) { + write("<"); + emit(node.tagName); + if (node.attributes.length > 0 || (node.kind === 237 /* JsxSelfClosingElement */)) { + write(" "); + } + emitAttributes(node.attributes); + if (node.kind === 237 /* JsxSelfClosingElement */) { + write("/>"); + } + else { + write(">"); + } + } + function emitJsxClosingElement(node) { + write(""); + } + function emitJsxElement(node) { + emitJsxOpeningOrSelfClosingElement(node.openingElement); + for (var i = 0, n = node.children.length; i < n; i++) { + emit(node.children[i]); + } + emitJsxClosingElement(node.closingElement); + } + if (node.kind === 236 /* JsxElement */) { + emitJsxElement(node); + } + else { + ts.Debug.assert(node.kind === 237 /* JsxSelfClosingElement */); + emitJsxOpeningOrSelfClosingElement(node); + } + } + // This function specifically handles numeric/string literals for enum and accessor 'identifiers'. + // In a sense, it does not actually emit identifiers as much as it declares a name for a specific property. + // For example, this is utilized when feeding in a result to Object.defineProperty. + function emitExpressionForPropertyName(node) { + ts.Debug.assert(node.kind !== 166 /* BindingElement */); + if (node.kind === 9 /* StringLiteral */) { + emitLiteral(node); + } + else if (node.kind === 137 /* ComputedPropertyName */) { + // if this is a decorated computed property, we will need to capture the result + // of the property expression so that we can apply decorators later. This is to ensure + // we don't introduce unintended side effects: + // + // class C { + // [_a = x]() { } + // } + // + // The emit for the decorated computed property decorator is: + // + // __decorate([dec], C.prototype, _a, Object.getOwnPropertyDescriptor(C.prototype, _a)); + // + if (ts.nodeIsDecorated(node.parent)) { + if (!computedPropertyNamesToGeneratedNames) { + computedPropertyNamesToGeneratedNames = []; + } + var generatedName = computedPropertyNamesToGeneratedNames[ts.getNodeId(node)]; + if (generatedName) { + // we have already generated a variable for this node, write that value instead. + write(generatedName); + return; + } + generatedName = createAndRecordTempVariable(0 /* Auto */).text; + computedPropertyNamesToGeneratedNames[ts.getNodeId(node)] = generatedName; + write(generatedName); + write(" = "); + } + emit(node.expression); + } + else { + write("\""); + if (node.kind === 8 /* NumericLiteral */) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + write("\""); + } + } + function isExpressionIdentifier(node) { + var parent = node.parent; + switch (parent.kind) { + case 167 /* ArrayLiteralExpression */: + case 192 /* AsExpression */: + case 184 /* BinaryExpression */: + case 171 /* CallExpression */: + case 244 /* CaseClause */: + case 137 /* ComputedPropertyName */: + case 185 /* ConditionalExpression */: + case 140 /* Decorator */: + case 178 /* DeleteExpression */: + case 200 /* DoStatement */: + case 170 /* ElementAccessExpression */: + case 230 /* ExportAssignment */: + case 198 /* ExpressionStatement */: + case 191 /* ExpressionWithTypeArguments */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 199 /* IfStatement */: + case 240 /* JsxClosingElement */: + case 237 /* JsxSelfClosingElement */: + case 238 /* JsxOpeningElement */: + case 242 /* JsxSpreadAttribute */: + case 243 /* JsxExpression */: + case 172 /* NewExpression */: + case 175 /* ParenthesizedExpression */: + case 183 /* PostfixUnaryExpression */: + case 182 /* PrefixUnaryExpression */: + case 207 /* ReturnStatement */: + case 249 /* ShorthandPropertyAssignment */: + case 188 /* SpreadElementExpression */: + case 209 /* SwitchStatement */: + case 173 /* TaggedTemplateExpression */: + case 193 /* TemplateSpan */: + case 211 /* ThrowStatement */: + case 174 /* TypeAssertionExpression */: + case 179 /* TypeOfExpression */: + case 180 /* VoidExpression */: + case 201 /* WhileStatement */: + case 208 /* WithStatement */: + case 187 /* YieldExpression */: + return true; + case 166 /* BindingElement */: + case 250 /* EnumMember */: + case 139 /* Parameter */: + case 248 /* PropertyAssignment */: + case 142 /* PropertyDeclaration */: + case 214 /* VariableDeclaration */: + return parent.initializer === node; + case 169 /* PropertyAccessExpression */: + return parent.expression === node; + case 177 /* ArrowFunction */: + case 176 /* FunctionExpression */: + return parent.body === node; + case 224 /* ImportEqualsDeclaration */: + return parent.moduleReference === node; + case 136 /* QualifiedName */: + return parent.left === node; + } + return false; + } + function emitExpressionIdentifier(node) { + var container = resolver.getReferencedExportContainer(node); + if (container) { + if (container.kind === 251 /* SourceFile */) { + // Identifier references module export + if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { + write("exports."); + } + } + else { + // Identifier references namespace export + write(getGeneratedNameForNode(container)); + write("."); + } + } + else { + if (modulekind !== 5 /* ES6 */) { + var declaration = resolver.getReferencedImportDeclaration(node); + if (declaration) { + if (declaration.kind === 226 /* ImportClause */) { + // Identifier references default import + write(getGeneratedNameForNode(declaration.parent)); + write(languageVersion === 0 /* ES3 */ ? "[\"default\"]" : ".default"); + return; + } + else if (declaration.kind === 229 /* ImportSpecifier */) { + // Identifier references named import + write(getGeneratedNameForNode(declaration.parent.parent.parent)); + var name_24 = declaration.propertyName || declaration.name; + var identifier = ts.getTextOfNodeFromSourceText(currentText, name_24); + if (languageVersion === 0 /* ES3 */ && identifier === "default") { + write("[\"default\"]"); + } + else { + write("."); + write(identifier); + } + return; + } + } + } + if (languageVersion < 2 /* ES6 */) { + var declaration = resolver.getReferencedDeclarationWithCollidingName(node); + if (declaration) { + write(getGeneratedNameForNode(declaration.name)); + return; + } + } + else if (resolver.getNodeCheckFlags(node) & 1048576 /* BodyScopedClassBinding */) { + // Due to the emit for class decorators, any reference to the class from inside of the class body + // must instead be rewritten to point to a temporary variable to avoid issues with the double-bind + // behavior of class names in ES6. + var declaration = resolver.getReferencedValueDeclaration(node); + if (declaration) { + var classAlias = decoratedClassAliases[ts.getNodeId(declaration)]; + if (classAlias !== undefined) { + write(classAlias); + return; + } + } + } + } + if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node) { + if (languageVersion < 2 /* ES6 */) { + var parent_8 = node.parent; + switch (parent_8.kind) { + case 166 /* BindingElement */: + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 214 /* VariableDeclaration */: + return parent_8.name === node && resolver.isDeclarationWithCollidingName(parent_8); + } + } + return false; + } + function emitIdentifier(node) { + if (convertedLoopState) { + if (node.text == "arguments" && resolver.isArgumentsLocalBinding(node)) { + // in converted loop body arguments cannot be used directly. + var name_25 = convertedLoopState.argumentsName || (convertedLoopState.argumentsName = makeUniqueName("arguments")); + write(name_25); + return; + } + } + if (!node.parent) { + write(node.text); + } + else if (isExpressionIdentifier(node)) { + emitExpressionIdentifier(node); + } + else if (isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(node)) { + write(getGeneratedNameForNode(node)); + } + else if (ts.nodeIsSynthesized(node)) { + write(node.text); + } + else { + writeTextOfNode(currentText, node); + } + } + function emitThis(node) { + if (resolver.getNodeCheckFlags(node) & 2 /* LexicalThis */) { + write("_this"); + } + else if (convertedLoopState) { + write(convertedLoopState.thisName || (convertedLoopState.thisName = makeUniqueName("this"))); + } + else { + write("this"); + } + } + function emitSuper(node) { + if (languageVersion >= 2 /* ES6 */) { + write("super"); + } + else { + var flags = resolver.getNodeCheckFlags(node); + if (flags & 256 /* SuperInstance */) { + write("_super.prototype"); + } + else { + write("_super"); + } + } + } + function emitObjectBindingPattern(node) { + write("{ "); + var elements = node.elements; + emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); + write(" }"); + } + function emitArrayBindingPattern(node) { + write("["); + var elements = node.elements; + emitList(elements, 0, elements.length, /*multiLine*/ false, /*trailingComma*/ elements.hasTrailingComma); + write("]"); + } + function emitBindingElement(node) { + if (node.propertyName) { + emit(node.propertyName); + write(": "); + } + if (node.dotDotDotToken) { + write("..."); + } + if (ts.isBindingPattern(node.name)) { + emit(node.name); + } + else { + emitModuleMemberName(node); + } + emitOptional(" = ", node.initializer); + } + function emitSpreadElementExpression(node) { + write("..."); + emit(node.expression); + } + function emitYieldExpression(node) { + write(ts.tokenToString(114 /* YieldKeyword */)); + if (node.asteriskToken) { + write("*"); + } + if (node.expression) { + write(" "); + emit(node.expression); + } + } + function emitAwaitExpression(node) { + var needsParenthesis = needsParenthesisForAwaitExpressionAsYield(node); + if (needsParenthesis) { + write("("); + } + write(ts.tokenToString(114 /* YieldKeyword */)); + write(" "); + emit(node.expression); + if (needsParenthesis) { + write(")"); + } + } + function needsParenthesisForAwaitExpressionAsYield(node) { + if (node.parent.kind === 184 /* BinaryExpression */ && !ts.isAssignmentOperator(node.parent.operatorToken.kind)) { + return true; + } + else if (node.parent.kind === 185 /* ConditionalExpression */ && node.parent.condition === node) { + return true; + } + return false; + } + function needsParenthesisForPropertyAccessOrInvocation(node) { + switch (node.kind) { + case 69 /* Identifier */: + case 167 /* ArrayLiteralExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + case 171 /* CallExpression */: + case 175 /* ParenthesizedExpression */: + // This list is not exhaustive and only includes those cases that are relevant + // to the check in emitArrayLiteral. More cases can be added as needed. + return false; + } + return true; + } + function emitListWithSpread(elements, needsUniqueCopy, multiLine, trailingComma, useConcat) { + var pos = 0; + var group = 0; + var length = elements.length; + while (pos < length) { + // Emit using the pattern .concat(, , ...) + if (group === 1 && useConcat) { + write(".concat("); + } + else if (group > 0) { + write(", "); + } + var e = elements[pos]; + if (e.kind === 188 /* SpreadElementExpression */) { + e = e.expression; + emitParenthesizedIf(e, /*parenthesized*/ group === 0 && needsParenthesisForPropertyAccessOrInvocation(e)); + pos++; + if (pos === length && group === 0 && needsUniqueCopy && e.kind !== 167 /* ArrayLiteralExpression */) { + write(".slice()"); + } + } + else { + var i = pos; + while (i < length && elements[i].kind !== 188 /* SpreadElementExpression */) { + i++; + } + write("["); + if (multiLine) { + increaseIndent(); + } + emitList(elements, pos, i - pos, multiLine, trailingComma && i === length); + if (multiLine) { + decreaseIndent(); + } + write("]"); + pos = i; + } + group++; + } + if (group > 1) { + if (useConcat) { + write(")"); + } + } + } + function isSpreadElementExpression(node) { + return node.kind === 188 /* SpreadElementExpression */; + } + function emitArrayLiteral(node) { + var elements = node.elements; + if (elements.length === 0) { + write("[]"); + } + else if (languageVersion >= 2 /* ES6 */ || !ts.forEach(elements, isSpreadElementExpression)) { + write("["); + emitLinePreservingList(node, node.elements, elements.hasTrailingComma, /*spacesBetweenBraces*/ false); + write("]"); + } + else { + emitListWithSpread(elements, /*needsUniqueCopy*/ true, /*multiLine*/ (node.flags & 1024 /* MultiLine */) !== 0, + /*trailingComma*/ elements.hasTrailingComma, /*useConcat*/ true); + } + } + function emitObjectLiteralBody(node, numElements) { + if (numElements === 0) { + write("{}"); + return; + } + write("{"); + if (numElements > 0) { + var properties = node.properties; + // If we are not doing a downlevel transformation for object literals, + // then try to preserve the original shape of the object literal. + // Otherwise just try to preserve the formatting. + if (numElements === properties.length) { + emitLinePreservingList(node, properties, /*allowTrailingComma*/ languageVersion >= 1 /* ES5 */, /*spacesBetweenBraces*/ true); + } + else { + var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; + if (!multiLine) { + write(" "); + } + else { + increaseIndent(); + } + emitList(properties, 0, numElements, /*multiLine*/ multiLine, /*trailingComma*/ false); + if (!multiLine) { + write(" "); + } + else { + decreaseIndent(); + } + } + } + write("}"); + } + function emitDownlevelObjectLiteralWithComputedProperties(node, firstComputedPropertyIndex) { + var multiLine = (node.flags & 1024 /* MultiLine */) !== 0; + var properties = node.properties; + write("("); + if (multiLine) { + increaseIndent(); + } + // For computed properties, we need to create a unique handle to the object + // literal so we can modify it without risking internal assignments tainting the object. + var tempVar = createAndRecordTempVariable(0 /* Auto */); + // Write out the first non-computed properties + // (or all properties if none of them are computed), + // then emit the rest through indexing on the temp variable. + emit(tempVar); + write(" = "); + emitObjectLiteralBody(node, firstComputedPropertyIndex); + for (var i = firstComputedPropertyIndex, n = properties.length; i < n; i++) { + writeComma(); + var property = properties[i]; + emitStart(property); + if (property.kind === 146 /* GetAccessor */ || property.kind === 147 /* SetAccessor */) { + // TODO (drosen): Reconcile with 'emitMemberFunctions'. + var accessors = ts.getAllAccessorDeclarations(node.properties, property); + if (property !== accessors.firstAccessor) { + continue; + } + write("Object.defineProperty("); + emit(tempVar); + write(", "); + emitStart(node.name); + emitExpressionForPropertyName(property.name); + emitEnd(property.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("})"); + emitEnd(property); + } + else { + emitLeadingComments(property); + emitStart(property.name); + emit(tempVar); + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + if (property.kind === 248 /* PropertyAssignment */) { + emit(property.initializer); + } + else if (property.kind === 249 /* ShorthandPropertyAssignment */) { + emitExpressionIdentifier(property.name); + } + else if (property.kind === 144 /* MethodDeclaration */) { + emitFunctionDeclaration(property); + } + else { + ts.Debug.fail("ObjectLiteralElement type not accounted for: " + property.kind); + } + } + emitEnd(property); + } + writeComma(); + emit(tempVar); + if (multiLine) { + decreaseIndent(); + writeLine(); + } + write(")"); + function writeComma() { + if (multiLine) { + write(","); + writeLine(); + } + else { + write(", "); + } + } + } + function emitObjectLiteral(node) { + var properties = node.properties; + if (languageVersion < 2 /* ES6 */) { + var numProperties = properties.length; + // Find the first computed property. + // Everything until that point can be emitted as part of the initial object literal. + var numInitialNonComputedProperties = numProperties; + for (var i = 0, n = properties.length; i < n; i++) { + if (properties[i].name.kind === 137 /* ComputedPropertyName */) { + numInitialNonComputedProperties = i; + break; + } + } + var hasComputedProperty = numInitialNonComputedProperties !== properties.length; + if (hasComputedProperty) { + emitDownlevelObjectLiteralWithComputedProperties(node, numInitialNonComputedProperties); + return; + } + } + // Ordinary case: either the object has no computed properties + // or we're compiling with an ES6+ target. + emitObjectLiteralBody(node, properties.length); + } + function createBinaryExpression(left, operator, right, startsOnNewLine) { + var result = ts.createSynthesizedNode(184 /* BinaryExpression */, startsOnNewLine); + result.operatorToken = ts.createSynthesizedNode(operator); + result.left = left; + result.right = right; + return result; + } + function createPropertyAccessExpression(expression, name) { + var result = ts.createSynthesizedNode(169 /* PropertyAccessExpression */); + result.expression = parenthesizeForAccess(expression); + result.dotToken = ts.createSynthesizedNode(21 /* DotToken */); + result.name = name; + return result; + } + function createElementAccessExpression(expression, argumentExpression) { + var result = ts.createSynthesizedNode(170 /* ElementAccessExpression */); + result.expression = parenthesizeForAccess(expression); + result.argumentExpression = argumentExpression; + return result; + } + function parenthesizeForAccess(expr) { + // When diagnosing whether the expression needs parentheses, the decision should be based + // on the innermost expression in a chain of nested type assertions. + while (expr.kind === 174 /* TypeAssertionExpression */ || expr.kind === 192 /* AsExpression */) { + expr = expr.expression; + } + // isLeftHandSideExpression is almost the correct criterion for when it is not necessary + // to parenthesize the expression before a dot. The known exceptions are: + // + // NewExpression: + // new C.x -> not the same as (new C).x + // NumberLiteral + // 1.x -> not the same as (1).x + // + if (ts.isLeftHandSideExpression(expr) && + expr.kind !== 172 /* NewExpression */ && + expr.kind !== 8 /* NumericLiteral */) { + return expr; + } + var node = ts.createSynthesizedNode(175 /* ParenthesizedExpression */); + node.expression = expr; + return node; + } + function emitComputedPropertyName(node) { + write("["); + emitExpressionForPropertyName(node); + write("]"); + } + function emitMethod(node) { + if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { + write("*"); + } + emit(node.name); + if (languageVersion < 2 /* ES6 */) { + write(": function "); + } + emitSignatureAndBody(node); + } + function emitPropertyAssignment(node) { + emit(node.name); + write(": "); + // This is to ensure that we emit comment in the following case: + // For example: + // obj = { + // id: /*comment1*/ ()=>void + // } + // "comment1" is not considered to be leading comment for node.initializer + // but rather a trailing comment on the previous node. + emitTrailingCommentsOfPosition(node.initializer.pos); + emit(node.initializer); + } + // Return true if identifier resolves to an exported member of a namespace + function isNamespaceExportReference(node) { + var container = resolver.getReferencedExportContainer(node); + return container && container.kind !== 251 /* SourceFile */; + } + function emitShorthandPropertyAssignment(node) { + // The name property of a short-hand property assignment is considered an expression position, so here + // we manually emit the identifier to avoid rewriting. + writeTextOfNode(currentText, node.name); + // If emitting pre-ES6 code, or if the name requires rewriting when resolved as an expression identifier, + // we emit a normal property assignment. For example: + // module m { + // export let y; + // } + // module m { + // let obj = { y }; + // } + // Here we need to emit obj = { y : m.y } regardless of the output target. + if (modulekind !== 5 /* ES6 */ || isNamespaceExportReference(node.name)) { + // Emit identifier as an identifier + write(": "); + emit(node.name); + } + if (languageVersion >= 2 /* ES6 */ && node.objectAssignmentInitializer) { + write(" = "); + emit(node.objectAssignmentInitializer); + } + } + function tryEmitConstantValue(node) { + var constantValue = tryGetConstEnumValue(node); + if (constantValue !== undefined) { + write(constantValue.toString()); + if (!compilerOptions.removeComments) { + var propertyName = node.kind === 169 /* PropertyAccessExpression */ ? ts.declarationNameToString(node.name) : ts.getTextOfNode(node.argumentExpression); + write(" /* " + propertyName + " */"); + } + return true; + } + return false; + } + function tryGetConstEnumValue(node) { + if (compilerOptions.isolatedModules) { + return undefined; + } + return node.kind === 169 /* PropertyAccessExpression */ || node.kind === 170 /* ElementAccessExpression */ + ? resolver.getConstantValue(node) + : undefined; + } + // Returns 'true' if the code was actually indented, false otherwise. + // If the code is not indented, an optional valueToWriteWhenNotIndenting will be + // emitted instead. + function indentIfOnDifferentLines(parent, node1, node2, valueToWriteWhenNotIndenting) { + var realNodesAreOnDifferentLines = !ts.nodeIsSynthesized(parent) && !nodeEndIsOnSameLineAsNodeStart(node1, node2); + // Always use a newline for synthesized code if the synthesizer desires it. + var synthesizedNodeIsOnDifferentLine = synthesizedNodeStartsOnNewLine(node2); + if (realNodesAreOnDifferentLines || synthesizedNodeIsOnDifferentLine) { + increaseIndent(); + writeLine(); + return true; + } + else { + if (valueToWriteWhenNotIndenting) { + write(valueToWriteWhenNotIndenting); + } + return false; + } + } + function emitPropertyAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 /* ES6 */ && + node.expression.kind === 95 /* SuperKeyword */ && + isInAsyncMethodWithSuperInES6(node)) { + var name_26 = ts.createSynthesizedNode(9 /* StringLiteral */); + name_26.text = node.name.text; + emitSuperAccessInAsyncMethod(node.expression, name_26); + return; + } + emit(node.expression); + var indentedBeforeDot = indentIfOnDifferentLines(node, node.expression, node.dotToken); + // 1 .toString is a valid property access, emit a space after the literal + // Also emit a space if expression is a integer const enum value - it will appear in generated code as numeric literal + var shouldEmitSpace = false; + if (!indentedBeforeDot) { + if (node.expression.kind === 8 /* NumericLiteral */) { + // check if numeric literal was originally written with a dot + var text = ts.getTextOfNodeFromSourceText(currentText, node.expression); + shouldEmitSpace = text.indexOf(ts.tokenToString(21 /* DotToken */)) < 0; + } + else { + // check if constant enum value is integer + var constantValue = tryGetConstEnumValue(node.expression); + // isFinite handles cases when constantValue is undefined + shouldEmitSpace = isFinite(constantValue) && Math.floor(constantValue) === constantValue; + } + } + if (shouldEmitSpace) { + write(" ."); + } + else { + write("."); + } + var indentedAfterDot = indentIfOnDifferentLines(node, node.dotToken, node.name); + emit(node.name); + decreaseIndentIf(indentedBeforeDot, indentedAfterDot); + } + function emitQualifiedName(node) { + emit(node.left); + write("."); + emit(node.right); + } + function emitQualifiedNameAsExpression(node, useFallback) { + if (node.left.kind === 69 /* Identifier */) { + emitEntityNameAsExpression(node.left, useFallback); + } + else if (useFallback) { + var temp = createAndRecordTempVariable(0 /* Auto */); + write("("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(node.left, /*useFallback*/ true); + write(") && "); + emitNodeWithoutSourceMap(temp); + } + else { + emitEntityNameAsExpression(node.left, /*useFallback*/ false); + } + write("."); + emit(node.right); + } + function emitEntityNameAsExpression(node, useFallback) { + switch (node.kind) { + case 69 /* Identifier */: + if (useFallback) { + write("typeof "); + emitExpressionIdentifier(node); + write(" !== 'undefined' && "); + } + emitExpressionIdentifier(node); + break; + case 136 /* QualifiedName */: + emitQualifiedNameAsExpression(node, useFallback); + break; + default: + emitNodeWithoutSourceMap(node); + break; + } + } + function emitIndexedAccess(node) { + if (tryEmitConstantValue(node)) { + return; + } + if (languageVersion === 2 /* ES6 */ && + node.expression.kind === 95 /* SuperKeyword */ && + isInAsyncMethodWithSuperInES6(node)) { + emitSuperAccessInAsyncMethod(node.expression, node.argumentExpression); + return; + } + emit(node.expression); + write("["); + emit(node.argumentExpression); + write("]"); + } + function hasSpreadElement(elements) { + return ts.forEach(elements, function (e) { return e.kind === 188 /* SpreadElementExpression */; }); + } + function skipParentheses(node) { + while (node.kind === 175 /* ParenthesizedExpression */ || node.kind === 174 /* TypeAssertionExpression */ || node.kind === 192 /* AsExpression */) { + node = node.expression; + } + return node; + } + function emitCallTarget(node) { + if (node.kind === 69 /* Identifier */ || node.kind === 97 /* ThisKeyword */ || node.kind === 95 /* SuperKeyword */) { + emit(node); + return node; + } + var temp = createAndRecordTempVariable(0 /* Auto */); + write("("); + emit(temp); + write(" = "); + emit(node); + write(")"); + return temp; + } + function emitCallWithSpread(node) { + var target; + var expr = skipParentheses(node.expression); + if (expr.kind === 169 /* PropertyAccessExpression */) { + // Target will be emitted as "this" argument + target = emitCallTarget(expr.expression); + write("."); + emit(expr.name); + } + else if (expr.kind === 170 /* ElementAccessExpression */) { + // Target will be emitted as "this" argument + target = emitCallTarget(expr.expression); + write("["); + emit(expr.argumentExpression); + write("]"); + } + else if (expr.kind === 95 /* SuperKeyword */) { + target = expr; + write("_super"); + } + else { + emit(node.expression); + } + write(".apply("); + if (target) { + if (target.kind === 95 /* SuperKeyword */) { + // Calls of form super(...) and super.foo(...) + emitThis(target); + } + else { + // Calls of form obj.foo(...) + emit(target); + } + } + else { + // Calls of form foo(...) + write("void 0"); + } + write(", "); + emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ true); + write(")"); + } + function isInAsyncMethodWithSuperInES6(node) { + if (languageVersion === 2 /* ES6 */) { + var container = ts.getSuperContainer(node, /*includeFunctions*/ false); + if (container && resolver.getNodeCheckFlags(container) & (2048 /* AsyncMethodWithSuper */ | 4096 /* AsyncMethodWithSuperBinding */)) { + return true; + } + } + return false; + } + function emitSuperAccessInAsyncMethod(superNode, argumentExpression) { + var container = ts.getSuperContainer(superNode, /*includeFunctions*/ false); + var isSuperBinding = resolver.getNodeCheckFlags(container) & 4096 /* AsyncMethodWithSuperBinding */; + write("_super("); + emit(argumentExpression); + write(isSuperBinding ? ").value" : ")"); + } + function emitCallExpression(node) { + if (languageVersion < 2 /* ES6 */ && hasSpreadElement(node.arguments)) { + emitCallWithSpread(node); + return; + } + var expression = node.expression; + var superCall = false; + var isAsyncMethodWithSuper = false; + if (expression.kind === 95 /* SuperKeyword */) { + emitSuper(expression); + superCall = true; + } + else { + superCall = ts.isSuperPropertyOrElementAccess(expression); + isAsyncMethodWithSuper = superCall && isInAsyncMethodWithSuperInES6(node); + emit(expression); + } + if (superCall && (languageVersion < 2 /* ES6 */ || isAsyncMethodWithSuper)) { + write(".call("); + emitThis(expression); + if (node.arguments.length) { + write(", "); + emitCommaList(node.arguments); + } + write(")"); + } + else { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + function emitNewExpression(node) { + write("new "); + // Spread operator logic is supported in new expressions in ES5 using a combination + // of Function.prototype.bind() and Function.prototype.apply(). + // + // Example: + // + // var args = [1, 2, 3, 4, 5]; + // new Array(...args); + // + // is compiled into the following ES5: + // + // var args = [1, 2, 3, 4, 5]; + // new (Array.bind.apply(Array, [void 0].concat(args))); + // + // The 'thisArg' to 'bind' is ignored when invoking the result of 'bind' with 'new', + // Thus, we set it to undefined ('void 0'). + if (languageVersion === 1 /* ES5 */ && + node.arguments && + hasSpreadElement(node.arguments)) { + write("("); + var target = emitCallTarget(node.expression); + write(".bind.apply("); + emit(target); + write(", [void 0].concat("); + emitListWithSpread(node.arguments, /*needsUniqueCopy*/ false, /*multiLine*/ false, /*trailingComma*/ false, /*useConcat*/ false); + write(")))"); + write("()"); + } + else { + emit(node.expression); + if (node.arguments) { + write("("); + emitCommaList(node.arguments); + write(")"); + } + } + } + function emitTaggedTemplateExpression(node) { + if (languageVersion >= 2 /* ES6 */) { + emit(node.tag); + write(" "); + emit(node.template); + } + else { + emitDownlevelTaggedTemplate(node); + } + } + function emitParenExpression(node) { + // If the node is synthesized, it means the emitter put the parentheses there, + // not the user. If we didn't want them, the emitter would not have put them + // there. + if (!ts.nodeIsSynthesized(node) && node.parent.kind !== 177 /* ArrowFunction */) { + if (node.expression.kind === 174 /* TypeAssertionExpression */ || node.expression.kind === 192 /* AsExpression */) { + var operand = node.expression.expression; + // Make sure we consider all nested cast expressions, e.g.: + // (-A).x; + while (operand.kind === 174 /* TypeAssertionExpression */ || operand.kind === 192 /* AsExpression */) { + operand = operand.expression; + } + // We have an expression of the form: (SubExpr) + // Emitting this as (SubExpr) is really not desirable. We would like to emit the subexpr as is. + // Omitting the parentheses, however, could cause change in the semantics of the generated + // code if the casted expression has a lower precedence than the rest of the expression, e.g.: + // (new A).foo should be emitted as (new A).foo and not new A.foo + // (typeof A).toString() should be emitted as (typeof A).toString() and not typeof A.toString() + // new (A()) should be emitted as new (A()) and not new A() + // (function foo() { })() should be emitted as an IIF (function foo(){})() and not declaration function foo(){} () + if (operand.kind !== 182 /* PrefixUnaryExpression */ && + operand.kind !== 180 /* VoidExpression */ && + operand.kind !== 179 /* TypeOfExpression */ && + operand.kind !== 178 /* DeleteExpression */ && + operand.kind !== 183 /* PostfixUnaryExpression */ && + operand.kind !== 172 /* NewExpression */ && + !(operand.kind === 171 /* CallExpression */ && node.parent.kind === 172 /* NewExpression */) && + !(operand.kind === 176 /* FunctionExpression */ && node.parent.kind === 171 /* CallExpression */) && + !(operand.kind === 8 /* NumericLiteral */ && node.parent.kind === 169 /* PropertyAccessExpression */)) { + emit(operand); + return; + } + } + } + write("("); + emit(node.expression); + write(")"); + } + function emitDeleteExpression(node) { + write(ts.tokenToString(78 /* DeleteKeyword */)); + write(" "); + emit(node.expression); + } + function emitVoidExpression(node) { + write(ts.tokenToString(103 /* VoidKeyword */)); + write(" "); + emit(node.expression); + } + function emitTypeOfExpression(node) { + write(ts.tokenToString(101 /* TypeOfKeyword */)); + write(" "); + emit(node.expression); + } + function isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node) { + if (!isCurrentFileSystemExternalModule() || node.kind !== 69 /* Identifier */ || ts.nodeIsSynthesized(node)) { + return false; + } + var isVariableDeclarationOrBindingElement = node.parent && (node.parent.kind === 214 /* VariableDeclaration */ || node.parent.kind === 166 /* BindingElement */); + var targetDeclaration = isVariableDeclarationOrBindingElement + ? node.parent + : resolver.getReferencedValueDeclaration(node); + return isSourceFileLevelDeclarationInSystemJsModule(targetDeclaration, /*isExported*/ true); + } + function emitPrefixUnaryExpression(node) { + var exportChanged = (node.operator === 41 /* PlusPlusToken */ || node.operator === 42 /* MinusMinusToken */) && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + // emit + // ++x + // as + // exports('x', ++x) + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + } + write(ts.tokenToString(node.operator)); + // In some cases, we need to emit a space between the operator and the operand. One obvious case + // is when the operator is an identifier, like delete or typeof. We also need to do this for plus + // and minus expressions in certain cases. Specifically, consider the following two cases (parens + // are just for clarity of exposition, and not part of the source code): + // + // (+(+1)) + // (+(++1)) + // + // We need to emit a space in both cases. In the first case, the absence of a space will make + // the resulting expression a prefix increment operation. And in the second, it will make the resulting + // expression a prefix increment whose operand is a plus expression - (++(+x)) + // The same is true of minus of course. + if (node.operand.kind === 182 /* PrefixUnaryExpression */) { + var operand = node.operand; + if (node.operator === 35 /* PlusToken */ && (operand.operator === 35 /* PlusToken */ || operand.operator === 41 /* PlusPlusToken */)) { + write(" "); + } + else if (node.operator === 36 /* MinusToken */ && (operand.operator === 36 /* MinusToken */ || operand.operator === 42 /* MinusMinusToken */)) { + write(" "); + } + } + emit(node.operand); + if (exportChanged) { + write(")"); + } + } + function emitPostfixUnaryExpression(node) { + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.operand); + if (exportChanged) { + // export function returns the value that was passes as the second argument + // however for postfix unary expressions result value should be the value before modification. + // emit 'x++' as '(export('x', ++x) - 1)' and 'x--' as '(export('x', --x) + 1)' + write("(" + exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.operand); + write("\", "); + write(ts.tokenToString(node.operator)); + emit(node.operand); + if (node.operator === 41 /* PlusPlusToken */) { + write(") - 1)"); + } + else { + write(") + 1)"); + } + } + else { + emit(node.operand); + write(ts.tokenToString(node.operator)); + } + } + function shouldHoistDeclarationInSystemJsModule(node) { + return isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ false); + } + /* + * Checks if given node is a source file level declaration (not nested in module/function). + * If 'isExported' is true - then declaration must also be exported. + * This function is used in two cases: + * - check if node is a exported source file level value to determine + * if we should also export the value after its it changed + * - check if node is a source level declaration to emit it differently, + * i.e non-exported variable statement 'var x = 1' is hoisted so + * we we emit variable statement 'var' should be dropped. + */ + function isSourceFileLevelDeclarationInSystemJsModule(node, isExported) { + if (!node || !isCurrentFileSystemExternalModule()) { + return false; + } + var current = ts.getRootDeclaration(node).parent; + while (current) { + if (current.kind === 251 /* SourceFile */) { + return !isExported || ((ts.getCombinedNodeFlags(node) & 2 /* Export */) !== 0); + } + else if (ts.isDeclaration(current)) { + return false; + } + else { + current = current.parent; + } + } + } + /** + * Emit ES7 exponentiation operator downlevel using Math.pow + * @param node a binary expression node containing exponentiationOperator (**, **=) + */ + function emitExponentiationOperator(node) { + var leftHandSideExpression = node.left; + if (node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { + var synthesizedLHS = void 0; + var shouldEmitParentheses = false; + if (ts.isElementAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(170 /* ElementAccessExpression */, /*startsOnNewLine*/ false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); + synthesizedLHS.expression = identifier; + if (leftHandSideExpression.argumentExpression.kind !== 8 /* NumericLiteral */ && + leftHandSideExpression.argumentExpression.kind !== 9 /* StringLiteral */) { + var tempArgumentExpression = createAndRecordTempVariable(268435456 /* _i */); + synthesizedLHS.argumentExpression = tempArgumentExpression; + emitAssignment(tempArgumentExpression, leftHandSideExpression.argumentExpression, /*shouldEmitCommaBeforeAssignment*/ true, leftHandSideExpression.expression); + } + else { + synthesizedLHS.argumentExpression = leftHandSideExpression.argumentExpression; + } + write(", "); + } + else if (ts.isPropertyAccessExpression(leftHandSideExpression)) { + shouldEmitParentheses = true; + write("("); + synthesizedLHS = ts.createSynthesizedNode(169 /* PropertyAccessExpression */, /*startsOnNewLine*/ false); + var identifier = emitTempVariableAssignment(leftHandSideExpression.expression, /*canDefineTempVariablesInPlace*/ false, /*shouldEmitCommaBeforeAssignment*/ false); + synthesizedLHS.expression = identifier; + synthesizedLHS.dotToken = leftHandSideExpression.dotToken; + synthesizedLHS.name = leftHandSideExpression.name; + write(", "); + } + emit(synthesizedLHS || leftHandSideExpression); + write(" = "); + write("Math.pow("); + emit(synthesizedLHS || leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + if (shouldEmitParentheses) { + write(")"); + } + } + else { + write("Math.pow("); + emit(leftHandSideExpression); + write(", "); + emit(node.right); + write(")"); + } + } + function emitBinaryExpression(node) { + if (languageVersion < 2 /* ES6 */ && node.operatorToken.kind === 56 /* EqualsToken */ && + (node.left.kind === 168 /* ObjectLiteralExpression */ || node.left.kind === 167 /* ArrayLiteralExpression */)) { + emitDestructuring(node, node.parent.kind === 198 /* ExpressionStatement */); + } + else { + var exportChanged = node.operatorToken.kind >= 56 /* FirstAssignment */ && + node.operatorToken.kind <= 68 /* LastAssignment */ && + isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.left); + if (exportChanged) { + // emit assignment 'x y' as 'exports("x", x y)' + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.left); + write("\", "); + } + if (node.operatorToken.kind === 38 /* AsteriskAsteriskToken */ || node.operatorToken.kind === 60 /* AsteriskAsteriskEqualsToken */) { + // Downleveled emit exponentiation operator using Math.pow + emitExponentiationOperator(node); + } + else { + emit(node.left); + // Add indentation before emit the operator if the operator is on different line + // For example: + // 3 + // + 2; + // emitted as + // 3 + // + 2; + var indentedBeforeOperator = indentIfOnDifferentLines(node, node.left, node.operatorToken, node.operatorToken.kind !== 24 /* CommaToken */ ? " " : undefined); + write(ts.tokenToString(node.operatorToken.kind)); + var indentedAfterOperator = indentIfOnDifferentLines(node, node.operatorToken, node.right, " "); + emit(node.right); + decreaseIndentIf(indentedBeforeOperator, indentedAfterOperator); + } + if (exportChanged) { + write(")"); + } + } + } + function synthesizedNodeStartsOnNewLine(node) { + return ts.nodeIsSynthesized(node) && node.startsOnNewLine; + } + function emitConditionalExpression(node) { + emit(node.condition); + var indentedBeforeQuestion = indentIfOnDifferentLines(node, node.condition, node.questionToken, " "); + write("?"); + var indentedAfterQuestion = indentIfOnDifferentLines(node, node.questionToken, node.whenTrue, " "); + emit(node.whenTrue); + decreaseIndentIf(indentedBeforeQuestion, indentedAfterQuestion); + var indentedBeforeColon = indentIfOnDifferentLines(node, node.whenTrue, node.colonToken, " "); + write(":"); + var indentedAfterColon = indentIfOnDifferentLines(node, node.colonToken, node.whenFalse, " "); + emit(node.whenFalse); + decreaseIndentIf(indentedBeforeColon, indentedAfterColon); + } + // Helper function to decrease the indent if we previously indented. Allows multiple + // previous indent values to be considered at a time. This also allows caller to just + // call this once, passing in all their appropriate indent values, instead of needing + // to call this helper function multiple times. + function decreaseIndentIf(value1, value2) { + if (value1) { + decreaseIndent(); + } + if (value2) { + decreaseIndent(); + } + } + function isSingleLineEmptyBlock(node) { + if (node && node.kind === 195 /* Block */) { + var block = node; + return block.statements.length === 0 && nodeEndIsOnSameLineAsNodeStart(block, block); + } + } + function emitBlock(node) { + if (isSingleLineEmptyBlock(node)) { + emitToken(15 /* OpenBraceToken */, node.pos); + write(" "); + emitToken(16 /* CloseBraceToken */, node.statements.end); + return; + } + emitToken(15 /* OpenBraceToken */, node.pos); + increaseIndent(); + if (node.kind === 222 /* ModuleBlock */) { + ts.Debug.assert(node.parent.kind === 221 /* ModuleDeclaration */); + emitCaptureThisForNodeIfNecessary(node.parent); + } + emitLines(node.statements); + if (node.kind === 222 /* ModuleBlock */) { + emitTempDeclarations(/*newLine*/ true); + } + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.statements.end); + } + function emitEmbeddedStatement(node) { + if (node.kind === 195 /* Block */) { + write(" "); + emit(node); + } + else { + increaseIndent(); + writeLine(); + emit(node); + decreaseIndent(); + } + } + function emitExpressionStatement(node) { + emitParenthesizedIf(node.expression, /*parenthesized*/ node.expression.kind === 177 /* ArrowFunction */); + write(";"); + } + function emitIfStatement(node) { + var endPos = emitToken(88 /* IfKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + emit(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + emitEmbeddedStatement(node.thenStatement); + if (node.elseStatement) { + writeLine(); + emitToken(80 /* ElseKeyword */, node.thenStatement.end); + if (node.elseStatement.kind === 199 /* IfStatement */) { + write(" "); + emit(node.elseStatement); + } + else { + emitEmbeddedStatement(node.elseStatement); + } + } + } + function emitDoStatement(node) { + emitLoop(node, emitDoStatementWorker); + } + function emitDoStatementWorker(node, loop) { + write("do"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + if (node.statement.kind === 195 /* Block */) { + write(" "); + } + else { + writeLine(); + } + write("while ("); + emit(node.expression); + write(");"); + } + function emitWhileStatement(node) { + emitLoop(node, emitWhileStatementWorker); + } + function emitWhileStatementWorker(node, loop) { + write("while ("); + emit(node.expression); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + /** + * Returns true if start of variable declaration list was emitted. + * Returns false if nothing was written - this can happen for source file level variable declarations + * in system modules where such variable declarations are hoisted. + */ + function tryEmitStartOfVariableDeclarationList(decl) { + if (shouldHoistVariable(decl, /*checkIfSourceFileLevelDecl*/ true)) { + // variables in variable declaration list were already hoisted + return false; + } + if (convertedLoopState && (ts.getCombinedNodeFlags(decl) & 24576 /* BlockScoped */) === 0) { + // we are inside a converted loop - this can only happen in downlevel scenarios + // record names for all variable declarations + for (var _a = 0, _b = decl.declarations; _a < _b.length; _a++) { + var varDecl = _b[_a]; + hoistVariableDeclarationFromLoop(convertedLoopState, varDecl); + } + return false; + } + emitStart(decl); + if (decl && languageVersion >= 2 /* ES6 */) { + if (ts.isLet(decl)) { + write("let "); + } + else if (ts.isConst(decl)) { + write("const "); + } + else { + write("var "); + } + } + else { + write("var "); + } + // Note here we specifically dont emit end so that if we are going to emit binding pattern + // we can alter the source map correctly + return true; + } + function emitVariableDeclarationListSkippingUninitializedEntries(list) { + var started = false; + for (var _a = 0, _b = list.declarations; _a < _b.length; _a++) { + var decl = _b[_a]; + if (!decl.initializer) { + continue; + } + if (!started) { + started = true; + } + else { + write(", "); + } + emit(decl); + } + return started; + } + function shouldConvertLoopBody(node) { + return languageVersion < 2 /* ES6 */ && + (resolver.getNodeCheckFlags(node) & 65536 /* LoopWithCapturedBlockScopedBinding */) !== 0; + } + function emitLoop(node, loopEmitter) { + var shouldConvert = shouldConvertLoopBody(node); + if (!shouldConvert) { + loopEmitter(node, /* convertedLoop*/ undefined); + } + else { + var loop = convertLoopBody(node); + if (node.parent.kind === 210 /* LabeledStatement */) { + // if parent of the loop was labeled statement - attach the label to loop skipping converted loop body + emitLabelAndColon(node.parent); + } + loopEmitter(node, loop); + } + } + function convertLoopBody(node) { + var functionName = makeUniqueName("_loop"); + var loopInitializer; + switch (node.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + var initializer = node.initializer; + if (initializer && initializer.kind === 215 /* VariableDeclarationList */) { + loopInitializer = node.initializer; + } + break; + } + var loopParameters; + var loopOutParameters; + if (loopInitializer && (ts.getCombinedNodeFlags(loopInitializer) & 24576 /* BlockScoped */)) { + // if loop initializer contains block scoped variables - they should be passed to converted loop body as parameters + loopParameters = []; + for (var _a = 0, _b = loopInitializer.declarations; _a < _b.length; _a++) { + var varDeclaration = _b[_a]; + processVariableDeclaration(varDeclaration.name); + } + } + var bodyIsBlock = node.statement.kind === 195 /* Block */; + var paramList = loopParameters ? loopParameters.join(", ") : ""; + writeLine(); + write("var " + functionName + " = function(" + paramList + ")"); + var convertedOuterLoopState = convertedLoopState; + convertedLoopState = { loopOutParameters: loopOutParameters }; + if (convertedOuterLoopState) { + // convertedOuterLoopState !== undefined means that this converted loop is nested in another converted loop. + // if outer converted loop has already accumulated some state - pass it through + if (convertedOuterLoopState.argumentsName) { + // outer loop has already used 'arguments' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.argumentsName = convertedOuterLoopState.argumentsName; + } + if (convertedOuterLoopState.thisName) { + // outer loop has already used 'this' so we've already have some name to alias it + // use the same name in all nested loops + convertedLoopState.thisName = convertedOuterLoopState.thisName; + } + if (convertedOuterLoopState.hoistedLocalVariables) { + // we've already collected some non-block scoped variable declarations in enclosing loop + // use the same storage in nested loop + convertedLoopState.hoistedLocalVariables = convertedOuterLoopState.hoistedLocalVariables; + } + } + write(" {"); + writeLine(); + increaseIndent(); + if (bodyIsBlock) { + emitLines(node.statement.statements); + } + else { + emit(node.statement); + } + writeLine(); + // end of loop body -> copy out parameter + copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ true); + decreaseIndent(); + writeLine(); + write("};"); + writeLine(); + if (loopOutParameters) { + // declare variables to hold out params for loop body + write("var "); + for (var i = 0; i < loopOutParameters.length; i++) { + if (i !== 0) { + write(", "); + } + write(loopOutParameters[i].outParamName); + } + write(";"); + writeLine(); + } + if (convertedLoopState.argumentsName) { + // if alias for arguments is set + if (convertedOuterLoopState) { + // pass it to outer converted loop + convertedOuterLoopState.argumentsName = convertedLoopState.argumentsName; + } + else { + // this is top level converted loop and we need to create an alias for 'arguments' object + write("var " + convertedLoopState.argumentsName + " = arguments;"); + writeLine(); + } + } + if (convertedLoopState.thisName) { + // if alias for this is set + if (convertedOuterLoopState) { + // pass it to outer converted loop + convertedOuterLoopState.thisName = convertedLoopState.thisName; + } + else { + // this is top level converted loop so we need to create an alias for 'this' here + // NOTE: + // if converted loops were all nested in arrow function then we'll always emit '_this' so convertedLoopState.thisName will not be set. + // If it is set this means that all nested loops are not nested in arrow function and it is safe to capture 'this'. + write("var " + convertedLoopState.thisName + " = this;"); + writeLine(); + } + } + if (convertedLoopState.hoistedLocalVariables) { + // if hoistedLocalVariables !== undefined this means that we've possibly collected some variable declarations to be hoisted later + if (convertedOuterLoopState) { + // pass them to outer converted loop + convertedOuterLoopState.hoistedLocalVariables = convertedLoopState.hoistedLocalVariables; + } + else { + // deduplicate and hoist collected variable declarations + write("var "); + var seen = void 0; + for (var _c = 0, _d = convertedLoopState.hoistedLocalVariables; _c < _d.length; _c++) { + var id = _d[_c]; + // Don't initialize seen unless we have at least one element. + // Emit a comma to separate for all but the first element. + if (!seen) { + seen = {}; + } + else { + write(", "); + } + if (!ts.hasProperty(seen, id.text)) { + emit(id); + seen[id.text] = id.text; + } + } + write(";"); + writeLine(); + } + } + var currentLoopState = convertedLoopState; + convertedLoopState = convertedOuterLoopState; + return { functionName: functionName, paramList: paramList, state: currentLoopState }; + function processVariableDeclaration(name) { + if (name.kind === 69 /* Identifier */) { + var nameText = isNameOfNestedBlockScopedRedeclarationOrCapturedBinding(name) + ? getGeneratedNameForNode(name) + : name.text; + loopParameters.push(nameText); + if (resolver.getNodeCheckFlags(name.parent) & 2097152 /* NeedsLoopOutParameter */) { + var reassignedVariable = { originalName: name, outParamName: makeUniqueName("out_" + nameText) }; + (loopOutParameters || (loopOutParameters = [])).push(reassignedVariable); + } + } + else { + for (var _a = 0, _b = name.elements; _a < _b.length; _a++) { + var element = _b[_a]; + processVariableDeclaration(element.name); + } + } + } + } + function emitNormalLoopBody(node, emitAsEmbeddedStatement) { + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + // we get here if we are trying to emit normal loop loop inside converted loop + // set allowedNonLabeledJumps to Break | Continue to mark that break\continue inside the loop should be emitted as is + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + convertedLoopState.allowedNonLabeledJumps = 2 /* Break */ | 4 /* Continue */; + } + if (emitAsEmbeddedStatement) { + emitEmbeddedStatement(node.statement); + } + else if (node.statement.kind === 195 /* Block */) { + emitLines(node.statement.statements); + } + else { + writeLine(); + emit(node.statement); + } + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function copyLoopOutParameters(state, copyDirection, emitAsStatements) { + if (state.loopOutParameters) { + for (var _a = 0, _b = state.loopOutParameters; _a < _b.length; _a++) { + var outParam = _b[_a]; + if (copyDirection === 0 /* ToOriginal */) { + emitIdentifier(outParam.originalName); + write(" = " + outParam.outParamName); + } + else { + write(outParam.outParamName + " = "); + emitIdentifier(outParam.originalName); + } + if (emitAsStatements) { + write(";"); + writeLine(); + } + else { + write(", "); + } + } + } + } + function emitConvertedLoopCall(loop, emitAsBlock) { + if (emitAsBlock) { + write(" {"); + writeLine(); + increaseIndent(); + } + // loop is considered simple if it does not have any return statements or break\continue that transfer control outside of the loop + // simple loops are emitted as just 'loop()'; + var isSimpleLoop = !loop.state.nonLocalJumps && + !loop.state.labeledNonLocalBreaks && + !loop.state.labeledNonLocalContinues; + var loopResult = makeUniqueName("state"); + if (!isSimpleLoop) { + write("var " + loopResult + " = "); + } + write(loop.functionName + "(" + loop.paramList + ");"); + writeLine(); + copyLoopOutParameters(loop.state, 0 /* ToOriginal */, /*emitAsStatements*/ true); + if (!isSimpleLoop) { + // for non simple loops we need to store result returned from converted loop function and use it to do dispatching + // converted loop function can return: + // - object - used when body of the converted loop contains return statement. Property "value" of this object stores retuned value + // - string - used to dispatch jumps. "break" and "continue" are used to non-labeled jumps, other values are used to transfer control to + // different labels + writeLine(); + if (loop.state.nonLocalJumps & 8 /* Return */) { + write("if (typeof " + loopResult + " === \"object\") "); + if (convertedLoopState) { + // we are currently nested in another converted loop - return unwrapped result + write("return " + loopResult + ";"); + // propagate 'hasReturn' flag to outer loop + convertedLoopState.nonLocalJumps |= 8 /* Return */; + } + else { + // top level converted loop - return unwrapped value + write("return " + loopResult + ".value;"); + } + writeLine(); + } + if (loop.state.nonLocalJumps & 2 /* Break */) { + write("if (" + loopResult + " === \"break\") break;"); + writeLine(); + } + if (loop.state.nonLocalJumps & 4 /* Continue */) { + write("if (" + loopResult + " === \"continue\") continue;"); + writeLine(); + } + // in case of labeled breaks emit code that either breaks to some known label inside outer loop or delegates jump decision to outer loop + emitDispatchTableForLabeledJumps(loopResult, loop.state, convertedLoopState); + } + if (emitAsBlock) { + writeLine(); + decreaseIndent(); + write("}"); + } + function emitDispatchTableForLabeledJumps(loopResultVariable, currentLoop, outerLoop) { + if (!currentLoop.labeledNonLocalBreaks && !currentLoop.labeledNonLocalContinues) { + return; + } + write("switch(" + loopResultVariable + ") {"); + increaseIndent(); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalBreaks, /*isBreak*/ true, loopResultVariable, outerLoop); + emitDispatchEntriesForLabeledJumps(currentLoop.labeledNonLocalContinues, /*isBreak*/ false, loopResultVariable, outerLoop); + decreaseIndent(); + writeLine(); + write("}"); + } + function emitDispatchEntriesForLabeledJumps(table, isBreak, loopResultVariable, outerLoop) { + if (!table) { + return; + } + for (var labelText in table) { + var labelMarker = table[labelText]; + writeLine(); + write("case \"" + labelMarker + "\": "); + // if there are no outer converted loop or outer label in question is located inside outer converted loop + // then emit labeled break\continue + // otherwise propagate pair 'label -> marker' to outer converted loop and emit 'return labelMarker' so outer loop can later decide what to do + if (!outerLoop || (outerLoop.labels && outerLoop.labels[labelText])) { + if (isBreak) { + write("break "); + } + else { + write("continue "); + } + write(labelText + ";"); + } + else { + setLabeledJump(outerLoop, isBreak, labelText, labelMarker); + write("return " + loopResultVariable + ";"); + } + } + } + } + function emitForStatement(node) { + emitLoop(node, emitForStatementWorker); + } + function emitForStatementWorker(node, loop) { + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + if (node.initializer && node.initializer.kind === 215 /* VariableDeclarationList */) { + var variableDeclarationList = node.initializer; + var startIsEmitted = tryEmitStartOfVariableDeclarationList(variableDeclarationList); + if (startIsEmitted) { + emitCommaList(variableDeclarationList.declarations); + } + else { + emitVariableDeclarationListSkippingUninitializedEntries(variableDeclarationList); + } + } + else if (node.initializer) { + emit(node.initializer); + } + write(";"); + emitOptional(" ", node.condition); + write(";"); + emitOptional(" ", node.incrementor); + write(")"); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + function emitForInOrForOfStatement(node) { + if (languageVersion < 2 /* ES6 */ && node.kind === 204 /* ForOfStatement */) { + emitLoop(node, emitDownLevelForOfStatementWorker); + } + else { + emitLoop(node, emitForInOrForOfStatementWorker); + } + } + function emitForInOrForOfStatementWorker(node, loop) { + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length >= 1) { + tryEmitStartOfVariableDeclarationList(variableDeclarationList); + emit(variableDeclarationList.declarations[0]); + } + } + else { + emit(node.initializer); + } + if (node.kind === 203 /* ForInStatement */) { + write(" in "); + } + else { + write(" of "); + } + emit(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + if (loop) { + emitConvertedLoopCall(loop, /*emitAsBlock*/ true); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ true); + } + } + function emitDownLevelForOfStatementWorker(node, loop) { + // The following ES6 code: + // + // for (let v of expr) { } + // + // should be emitted as + // + // for (let _i = 0, _a = expr; _i < _a.length; _i++) { + // let v = _a[_i]; + // } + // + // where _a and _i are temps emitted to capture the RHS and the counter, + // respectively. + // When the left hand side is an expression instead of a let declaration, + // the "let v" is not emitted. + // When the left hand side is a let/const, the v is renamed if there is + // another v in scope. + // Note that all assignments to the LHS are emitted in the body, including + // all destructuring. + // Note also that because an extra statement is needed to assign to the LHS, + // for-of bodies are always emitted as blocks. + var endPos = emitToken(86 /* ForKeyword */, node.pos); + write(" "); + endPos = emitToken(17 /* OpenParenToken */, endPos); + // Do not emit the LHS let declaration yet, because it might contain destructuring. + // Do not call recordTempDeclaration because we are declaring the temps + // right here. Recording means they will be declared later. + // In the case where the user wrote an identifier as the RHS, like this: + // + // for (let v of arr) { } + // + // we can't reuse 'arr' because it might be modified within the body of the loop. + var counter = createTempVariable(268435456 /* _i */); + var rhsReference = ts.createSynthesizedNode(69 /* Identifier */); + rhsReference.text = node.expression.kind === 69 /* Identifier */ ? + makeUniqueName(node.expression.text) : + makeTempVariableName(0 /* Auto */); + // This is the let keyword for the counter and rhsReference. The let keyword for + // the LHS will be emitted inside the body. + emitStart(node.expression); + write("var "); + // _i = 0 + emitNodeWithoutSourceMap(counter); + write(" = 0"); + emitEnd(node.expression); + // , _a = expr + write(", "); + emitStart(node.expression); + emitNodeWithoutSourceMap(rhsReference); + write(" = "); + emitNodeWithoutSourceMap(node.expression); + emitEnd(node.expression); + write("; "); + // _i < _a.length; + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write(" < "); + emitNodeWithCommentsAndWithoutSourcemap(rhsReference); + write(".length"); + emitEnd(node.expression); + write("; "); + // _i++) + emitStart(node.expression); + emitNodeWithoutSourceMap(counter); + write("++"); + emitEnd(node.expression); + emitToken(18 /* CloseParenToken */, node.expression.end); + // Body + write(" {"); + writeLine(); + increaseIndent(); + // Initialize LHS + // let v = _a[_i]; + var rhsIterationValue = createElementAccessExpression(rhsReference, counter); + emitStart(node.initializer); + if (node.initializer.kind === 215 /* VariableDeclarationList */) { + write("var "); + var variableDeclarationList = node.initializer; + if (variableDeclarationList.declarations.length > 0) { + var declaration = variableDeclarationList.declarations[0]; + if (ts.isBindingPattern(declaration.name)) { + // This works whether the declaration is a var, let, or const. + // It will use rhsIterationValue _a[_i] as the initializer. + emitDestructuring(declaration, /*isAssignmentExpressionStatement*/ false, rhsIterationValue); + } + else { + // The following call does not include the initializer, so we have + // to emit it separately. + emitNodeWithCommentsAndWithoutSourcemap(declaration); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + // It's an empty declaration list. This can only happen in an error case, if the user wrote + // for (let of []) {} + emitNodeWithoutSourceMap(createTempVariable(0 /* Auto */)); + write(" = "); + emitNodeWithoutSourceMap(rhsIterationValue); + } + } + else { + // Initializer is an expression. Emit the expression in the body, so that it's + // evaluated on every iteration. + var assignmentExpression = createBinaryExpression(node.initializer, 56 /* EqualsToken */, rhsIterationValue, /*startsOnNewLine*/ false); + if (node.initializer.kind === 167 /* ArrayLiteralExpression */ || node.initializer.kind === 168 /* ObjectLiteralExpression */) { + // This is a destructuring pattern, so call emitDestructuring instead of emit. Calling emit will not work, because it will cause + // the BinaryExpression to be passed in instead of the expression statement, which will cause emitDestructuring to crash. + emitDestructuring(assignmentExpression, /*isAssignmentExpressionStatement*/ true, /*value*/ undefined); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(assignmentExpression); + } + } + emitEnd(node.initializer); + write(";"); + if (loop) { + writeLine(); + emitConvertedLoopCall(loop, /*emitAsBlock*/ false); + } + else { + emitNormalLoopBody(node, /*emitAsEmbeddedStatement*/ false); + } + writeLine(); + decreaseIndent(); + write("}"); + } + function emitBreakOrContinueStatement(node) { + if (convertedLoopState) { + // check if we can emit break\continue as is + // it is possible if either + // - break\continue is statement labeled and label is located inside the converted loop + // - break\continue is non-labeled and located in non-converted loop\switch statement + var jump = node.kind === 206 /* BreakStatement */ ? 2 /* Break */ : 4 /* Continue */; + var canUseBreakOrContinue = (node.label && convertedLoopState.labels && convertedLoopState.labels[node.label.text]) || + (!node.label && (convertedLoopState.allowedNonLabeledJumps & jump)); + if (!canUseBreakOrContinue) { + write("return "); + // explicit exit from loop -> copy out parameters + copyLoopOutParameters(convertedLoopState, 1 /* ToOutParameter */, /*emitAsStatements*/ false); + if (!node.label) { + if (node.kind === 206 /* BreakStatement */) { + convertedLoopState.nonLocalJumps |= 2 /* Break */; + write("\"break\";"); + } + else { + convertedLoopState.nonLocalJumps |= 4 /* Continue */; + write("\"continue\";"); + } + } + else { + var labelMarker = void 0; + if (node.kind === 206 /* BreakStatement */) { + labelMarker = "break-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ true, node.label.text, labelMarker); + } + else { + labelMarker = "continue-" + node.label.text; + setLabeledJump(convertedLoopState, /*isBreak*/ false, node.label.text, labelMarker); + } + write("\"" + labelMarker + "\";"); + } + return; + } + } + emitToken(node.kind === 206 /* BreakStatement */ ? 70 /* BreakKeyword */ : 75 /* ContinueKeyword */, node.pos); + emitOptional(" ", node.label); + write(";"); + } + function emitReturnStatement(node) { + if (convertedLoopState) { + convertedLoopState.nonLocalJumps |= 8 /* Return */; + write("return { value: "); + if (node.expression) { + emit(node.expression); + } + else { + write("void 0"); + } + write(" };"); + return; + } + emitToken(94 /* ReturnKeyword */, node.pos); + emitOptional(" ", node.expression); + write(";"); + } + function emitWithStatement(node) { + write("with ("); + emit(node.expression); + write(")"); + emitEmbeddedStatement(node.statement); + } + function emitSwitchStatement(node) { + var endPos = emitToken(96 /* SwitchKeyword */, node.pos); + write(" "); + emitToken(17 /* OpenParenToken */, endPos); + emit(node.expression); + endPos = emitToken(18 /* CloseParenToken */, node.expression.end); + write(" "); + var saveAllowedNonLabeledJumps; + if (convertedLoopState) { + saveAllowedNonLabeledJumps = convertedLoopState.allowedNonLabeledJumps; + // for switch statement allow only non-labeled break + convertedLoopState.allowedNonLabeledJumps |= 2 /* Break */; + } + emitCaseBlock(node.caseBlock, endPos); + if (convertedLoopState) { + convertedLoopState.allowedNonLabeledJumps = saveAllowedNonLabeledJumps; + } + } + function emitCaseBlock(node, startPos) { + emitToken(15 /* OpenBraceToken */, startPos); + increaseIndent(); + emitLines(node.clauses); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.clauses.end); + } + function nodeStartPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node1.pos)) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function nodeEndPositionsAreOnSameLine(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, node2.end); + } + function nodeEndIsOnSameLineAsNodeStart(node1, node2) { + return ts.getLineOfLocalPositionFromLineMap(currentLineMap, node1.end) === + ts.getLineOfLocalPositionFromLineMap(currentLineMap, ts.skipTrivia(currentText, node2.pos)); + } + function emitCaseOrDefaultClause(node) { + if (node.kind === 244 /* CaseClause */) { + write("case "); + emit(node.expression); + write(":"); + } + else { + write("default:"); + } + if (node.statements.length === 1 && nodeStartPositionsAreOnSameLine(node, node.statements[0])) { + write(" "); + emit(node.statements[0]); + } + else { + increaseIndent(); + emitLines(node.statements); + decreaseIndent(); + } + } + function emitThrowStatement(node) { + write("throw "); + emit(node.expression); + write(";"); + } + function emitTryStatement(node) { + write("try "); + emit(node.tryBlock); + emit(node.catchClause); + if (node.finallyBlock) { + writeLine(); + write("finally "); + emit(node.finallyBlock); + } + } + function emitCatchClause(node) { + writeLine(); + var endPos = emitToken(72 /* CatchKeyword */, node.pos); + write(" "); + emitToken(17 /* OpenParenToken */, endPos); + emit(node.variableDeclaration); + emitToken(18 /* CloseParenToken */, node.variableDeclaration ? node.variableDeclaration.end : endPos); + write(" "); + emitBlock(node.block); + } + function emitDebuggerStatement(node) { + emitToken(76 /* DebuggerKeyword */, node.pos); + write(";"); + } + function emitLabelAndColon(node) { + emit(node.label); + write(": "); + } + function emitLabeledStatement(node) { + if (!ts.isIterationStatement(node.statement, /* lookInLabeledStatements */ false) || !shouldConvertLoopBody(node.statement)) { + emitLabelAndColon(node); + } + if (convertedLoopState) { + if (!convertedLoopState.labels) { + convertedLoopState.labels = {}; + } + convertedLoopState.labels[node.label.text] = node.label.text; + } + emit(node.statement); + if (convertedLoopState) { + convertedLoopState.labels[node.label.text] = undefined; + } + } + function getContainingModule(node) { + do { + node = node.parent; + } while (node && node.kind !== 221 /* ModuleDeclaration */); + return node; + } + function emitContainingModuleName(node) { + var container = getContainingModule(node); + write(container ? getGeneratedNameForNode(container) : "exports"); + } + function emitModuleMemberName(node) { + emitStart(node.name); + if (ts.getCombinedNodeFlags(node) & 2 /* Export */) { + var container = getContainingModule(node); + if (container) { + write(getGeneratedNameForNode(container)); + write("."); + } + else if (modulekind !== 5 /* ES6 */ && modulekind !== 4 /* System */) { + write("exports."); + } + } + emitNodeWithCommentsAndWithoutSourcemap(node.name); + emitEnd(node.name); + } + function createVoidZero() { + var zero = ts.createSynthesizedNode(8 /* NumericLiteral */); + zero.text = "0"; + var result = ts.createSynthesizedNode(180 /* VoidExpression */); + result.expression = zero; + return result; + } + function emitEs6ExportDefaultCompat(node) { + if (node.parent.kind === 251 /* SourceFile */) { + ts.Debug.assert(!!(node.flags & 512 /* Default */) || node.kind === 230 /* ExportAssignment */); + // only allow export default at a source file level + if (modulekind === 1 /* CommonJS */ || modulekind === 2 /* AMD */ || modulekind === 3 /* UMD */) { + if (!isEs6Module) { + if (languageVersion !== 0 /* ES3 */) { + // default value of configurable, enumerable, writable are `false`. + write("Object.defineProperty(exports, \"__esModule\", { value: true });"); + writeLine(); + } + else { + write("exports.__esModule = true;"); + writeLine(); + } + } + } + } + } + function emitExportMemberAssignment(node) { + if (node.flags & 2 /* Export */) { + writeLine(); + emitStart(node); + // emit call to exporter only for top level nodes + if (modulekind === 4 /* System */ && node.parent === currentSourceFile) { + // emit export default as + // export("default", ) + write(exportFunctionForFile + "(\""); + if (node.flags & 512 /* Default */) { + write("default"); + } + else { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + write("\", "); + emitDeclarationName(node); + write(")"); + } + else { + if (node.flags & 512 /* Default */) { + emitEs6ExportDefaultCompat(node); + if (languageVersion === 0 /* ES3 */) { + write("exports[\"default\"]"); + } + else { + write("exports.default"); + } + } + else { + emitModuleMemberName(node); + } + write(" = "); + emitDeclarationName(node); + } + emitEnd(node); + write(";"); + } + } + function emitExportMemberAssignments(name) { + if (modulekind === 4 /* System */) { + return; + } + if (!exportEquals && exportSpecifiers && ts.hasProperty(exportSpecifiers, name.text)) { + for (var _a = 0, _b = exportSpecifiers[name.text]; _a < _b.length; _a++) { + var specifier = _b[_a]; + writeLine(); + emitStart(specifier.name); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + emitEnd(specifier.name); + write(" = "); + emitExpressionIdentifier(name); + write(";"); + } + } + } + function emitExportSpecifierInSystemModule(specifier) { + ts.Debug.assert(modulekind === 4 /* System */); + if (!resolver.getReferencedValueDeclaration(specifier.propertyName || specifier.name) && !resolver.isValueAliasDeclaration(specifier)) { + return; + } + writeLine(); + emitStart(specifier.name); + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write("\", "); + emitExpressionIdentifier(specifier.propertyName || specifier.name); + write(")"); + emitEnd(specifier.name); + write(";"); + } + /** + * Emit an assignment to a given identifier, 'name', with a given expression, 'value'. + * @param name an identifier as a left-hand-side operand of the assignment + * @param value an expression as a right-hand-side operand of the assignment + * @param shouldEmitCommaBeforeAssignment a boolean indicating whether to prefix an assignment with comma + */ + function emitAssignment(name, value, shouldEmitCommaBeforeAssignment, nodeForSourceMap) { + if (shouldEmitCommaBeforeAssignment) { + write(", "); + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(name); + write("\", "); + } + var isVariableDeclarationOrBindingElement = name.parent && (name.parent.kind === 214 /* VariableDeclaration */ || name.parent.kind === 166 /* BindingElement */); + // If this is first var declaration, we need to start at var/let/const keyword instead + // otherwise use nodeForSourceMap as the start position + emitStart(isFirstVariableDeclaration(nodeForSourceMap) ? nodeForSourceMap.parent : nodeForSourceMap); + withTemporaryNoSourceMap(function () { + if (isVariableDeclarationOrBindingElement) { + emitModuleMemberName(name.parent); + } + else { + emit(name); + } + write(" = "); + emit(value); + }); + emitEnd(nodeForSourceMap, /*stopOverridingSpan*/ true); + if (exportChanged) { + write(")"); + } + } + /** + * Create temporary variable, emit an assignment of the variable the given expression + * @param expression an expression to assign to the newly created temporary variable + * @param canDefineTempVariablesInPlace a boolean indicating whether you can define the temporary variable at an assignment location + * @param shouldEmitCommaBeforeAssignment a boolean indicating whether an assignment should prefix with comma + */ + function emitTempVariableAssignment(expression, canDefineTempVariablesInPlace, shouldEmitCommaBeforeAssignment, sourceMapNode) { + var identifier = createTempVariable(0 /* Auto */); + if (!canDefineTempVariablesInPlace) { + recordTempDeclaration(identifier); + } + emitAssignment(identifier, expression, shouldEmitCommaBeforeAssignment, sourceMapNode || expression.parent); + return identifier; + } + function isFirstVariableDeclaration(root) { + return root.kind === 214 /* VariableDeclaration */ && + root.parent.kind === 215 /* VariableDeclarationList */ && + root.parent.declarations[0] === root; + } + function emitDestructuring(root, isAssignmentExpressionStatement, value) { + var emitCount = 0; + // An exported declaration is actually emitted as an assignment (to a property on the module object), so + // temporary variables in an exported declaration need to have real declarations elsewhere + // Also temporary variables should be explicitly allocated for source level declarations when module target is system + // because actual variable declarations are hoisted + var canDefineTempVariablesInPlace = false; + if (root.kind === 214 /* VariableDeclaration */) { + var isExported = ts.getCombinedNodeFlags(root) & 2 /* Export */; + var isSourceLevelForSystemModuleKind = shouldHoistDeclarationInSystemJsModule(root); + canDefineTempVariablesInPlace = !isExported && !isSourceLevelForSystemModuleKind; + } + else if (root.kind === 139 /* Parameter */) { + canDefineTempVariablesInPlace = true; + } + if (root.kind === 184 /* BinaryExpression */) { + emitAssignmentExpression(root); + } + else { + ts.Debug.assert(!isAssignmentExpressionStatement); + // If first variable declaration of variable statement correct the start location + if (isFirstVariableDeclaration(root)) { + // Use emit location of "var " as next emit start entry + sourceMap.changeEmitSourcePos(); + } + emitBindingElement(root, value); + } + /** + * Ensures that there exists a declared identifier whose value holds the given expression. + * This function is useful to ensure that the expression's value can be read from in subsequent expressions. + * Unless 'reuseIdentifierExpressions' is false, 'expr' will be returned if it is just an identifier. + * + * @param expr the expression whose value needs to be bound. + * @param reuseIdentifierExpressions true if identifier expressions can simply be returned; + * false if it is necessary to always emit an identifier. + */ + function ensureIdentifier(expr, reuseIdentifierExpressions, sourceMapNode) { + if (expr.kind === 69 /* Identifier */ && reuseIdentifierExpressions) { + return expr; + } + var identifier = emitTempVariableAssignment(expr, canDefineTempVariablesInPlace, emitCount > 0, sourceMapNode); + emitCount++; + return identifier; + } + function createDefaultValueCheck(value, defaultValue, sourceMapNode) { + // The value expression will be evaluated twice, so for anything but a simple identifier + // we need to generate a temporary variable + // If the temporary variable needs to be emitted use the source Map node for assignment of that statement + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + // Return the expression 'value === void 0 ? defaultValue : value' + var equals = ts.createSynthesizedNode(184 /* BinaryExpression */); + equals.left = value; + equals.operatorToken = ts.createSynthesizedNode(32 /* EqualsEqualsEqualsToken */); + equals.right = createVoidZero(); + return createConditionalExpression(equals, defaultValue, value); + } + function createConditionalExpression(condition, whenTrue, whenFalse) { + var cond = ts.createSynthesizedNode(185 /* ConditionalExpression */); + cond.condition = condition; + cond.questionToken = ts.createSynthesizedNode(53 /* QuestionToken */); + cond.whenTrue = whenTrue; + cond.colonToken = ts.createSynthesizedNode(54 /* ColonToken */); + cond.whenFalse = whenFalse; + return cond; + } + function createNumericLiteral(value) { + var node = ts.createSynthesizedNode(8 /* NumericLiteral */); + node.text = "" + value; + return node; + } + function createPropertyAccessForDestructuringProperty(object, propName) { + var index; + var nameIsComputed = propName.kind === 137 /* ComputedPropertyName */; + if (nameIsComputed) { + // TODO to handle when we look into sourcemaps for computed properties, for now use propName + index = ensureIdentifier(propName.expression, /*reuseIdentifierExpressions*/ false, propName); + } + else { + // We create a synthetic copy of the identifier in order to avoid the rewriting that might + // otherwise occur when the identifier is emitted. + index = ts.createSynthesizedNode(propName.kind); + // We need to unescape identifier here because when parsing an identifier prefixing with "__" + // the parser need to append "_" in order to escape colliding with magic identifiers such as "__proto__" + // Therefore, in order to correctly emit identifiers that are written in original TypeScript file, + // we will unescapeIdentifier to remove additional underscore (if no underscore is added, the function will return original input string) + index.text = ts.unescapeIdentifier(propName.text); + } + return !nameIsComputed && index.kind === 69 /* Identifier */ + ? createPropertyAccessExpression(object, index) + : createElementAccessExpression(object, index); + } + function createSliceCall(value, sliceIndex) { + var call = ts.createSynthesizedNode(171 /* CallExpression */); + var sliceIdentifier = ts.createSynthesizedNode(69 /* Identifier */); + sliceIdentifier.text = "slice"; + call.expression = createPropertyAccessExpression(value, sliceIdentifier); + call.arguments = ts.createSynthesizedNodeArray(); + call.arguments[0] = createNumericLiteral(sliceIndex); + return call; + } + function emitObjectLiteralAssignment(target, value, sourceMapNode) { + var properties = target.properties; + if (properties.length !== 1) { + // For anything but a single element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. + // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + } + for (var _a = 0, properties_5 = properties; _a < properties_5.length; _a++) { + var p = properties_5[_a]; + if (p.kind === 248 /* PropertyAssignment */ || p.kind === 249 /* ShorthandPropertyAssignment */) { + var propName = p.name; + var target_1 = p.kind === 249 /* ShorthandPropertyAssignment */ ? p : p.initializer || propName; + // Assignment for target = value.propName should highligh whole property, hence use p as source map node + emitDestructuringAssignment(target_1, createPropertyAccessForDestructuringProperty(value, propName), p); + } + } + } + function emitArrayLiteralAssignment(target, value, sourceMapNode) { + var elements = target.elements; + if (elements.length !== 1) { + // For anything but a single element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. + // When doing so we want to hightlight the passed in source map node since thats the one needing this temp assignment + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, sourceMapNode); + } + for (var i = 0; i < elements.length; i++) { + var e = elements[i]; + if (e.kind !== 190 /* OmittedExpression */) { + // Assignment for target = value.propName should highligh whole property, hence use e as source map node + if (e.kind !== 188 /* SpreadElementExpression */) { + emitDestructuringAssignment(e, createElementAccessExpression(value, createNumericLiteral(i)), e); + } + else if (i === elements.length - 1) { + emitDestructuringAssignment(e.expression, createSliceCall(value, i), e); + } + } + } + } + function emitDestructuringAssignment(target, value, sourceMapNode) { + // When emitting target = value use source map node to highlight, including any temporary assignments needed for this + if (target.kind === 249 /* ShorthandPropertyAssignment */) { + if (target.objectAssignmentInitializer) { + value = createDefaultValueCheck(value, target.objectAssignmentInitializer, sourceMapNode); + } + target = target.name; + } + else if (target.kind === 184 /* BinaryExpression */ && target.operatorToken.kind === 56 /* EqualsToken */) { + value = createDefaultValueCheck(value, target.right, sourceMapNode); + target = target.left; + } + if (target.kind === 168 /* ObjectLiteralExpression */) { + emitObjectLiteralAssignment(target, value, sourceMapNode); + } + else if (target.kind === 167 /* ArrayLiteralExpression */) { + emitArrayLiteralAssignment(target, value, sourceMapNode); + } + else { + emitAssignment(target, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, sourceMapNode); + emitCount++; + } + } + function emitAssignmentExpression(root) { + var target = root.left; + var value = root.right; + if (ts.isEmptyObjectLiteralOrArrayLiteral(target)) { + emit(value); + } + else if (isAssignmentExpressionStatement) { + // Source map node for root.left = root.right is root + // but if root is synthetic, which could be in below case, use the target which is { a } + // for ({a} of {a: string}) { + // } + emitDestructuringAssignment(target, value, ts.nodeIsSynthesized(root) ? target : root); + } + else { + if (root.parent.kind !== 175 /* ParenthesizedExpression */) { + write("("); + } + // Temporary assignment needed to emit root should highlight whole binary expression + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ true, root); + // Source map node for root.left = root.right is root + emitDestructuringAssignment(target, value, root); + write(", "); + emit(value); + if (root.parent.kind !== 175 /* ParenthesizedExpression */) { + write(")"); + } + } + } + function emitBindingElement(target, value) { + // Any temporary assignments needed to emit target = value should point to target + if (target.initializer) { + // Combine value and initializer + value = value ? createDefaultValueCheck(value, target.initializer, target) : target.initializer; + } + else if (!value) { + // Use 'void 0' in absence of value and initializer + value = createVoidZero(); + } + if (ts.isBindingPattern(target.name)) { + var pattern = target.name; + var elements = pattern.elements; + var numElements = elements.length; + if (numElements !== 1) { + // For anything other than a single-element destructuring we need to generate a temporary + // to ensure value is evaluated exactly once. Additionally, if we have zero elements + // we need to emit *something* to ensure that in case a 'var' keyword was already emitted, + // so in that case, we'll intentionally create that temporary. + value = ensureIdentifier(value, /*reuseIdentifierExpressions*/ numElements !== 0, target); + } + for (var i = 0; i < numElements; i++) { + var element = elements[i]; + if (pattern.kind === 164 /* ObjectBindingPattern */) { + // Rewrite element to a declaration with an initializer that fetches property + var propName = element.propertyName || element.name; + emitBindingElement(element, createPropertyAccessForDestructuringProperty(value, propName)); + } + else if (element.kind !== 190 /* OmittedExpression */) { + if (!element.dotDotDotToken) { + // Rewrite element to a declaration that accesses array element at index i + emitBindingElement(element, createElementAccessExpression(value, createNumericLiteral(i))); + } + else if (i === numElements - 1) { + emitBindingElement(element, createSliceCall(value, i)); + } + } + } + } + else { + emitAssignment(target.name, value, /*shouldEmitCommaBeforeAssignment*/ emitCount > 0, target); + emitCount++; + } + } + } + function emitVariableDeclaration(node) { + if (ts.isBindingPattern(node.name)) { + if (languageVersion < 2 /* ES6 */) { + emitDestructuring(node, /*isAssignmentExpressionStatement*/ false); + } + else { + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + else { + var initializer = node.initializer; + if (!initializer && + languageVersion < 2 /* ES6 */ && + // for names - binding patterns that lack initializer there is no point to emit explicit initializer + // since downlevel codegen for destructuring will fail in the absence of initializer so all binding elements will say uninitialized + node.name.kind === 69 /* Identifier */) { + var container = ts.getEnclosingBlockScopeContainer(node); + var flags = resolver.getNodeCheckFlags(node); + // nested let bindings might need to be initialized explicitly to preserve ES6 semantic + // { let x = 1; } + // { let x; } // x here should be undefined. not 1 + // NOTES: + // Top level bindings never collide with anything and thus don't require explicit initialization. + // As for nested let bindings there are two cases: + // - nested let bindings that were not renamed definitely should be initialized explicitly + // { let x = 1; } + // { let x; if (some-condition) { x = 1}; if (x) { /*1*/ } } + // Without explicit initialization code in /*1*/ can be executed even if some-condition is evaluated to false + // - renaming introduces fresh name that should not collide with any existing names, however renamed bindings sometimes also should be + // explicitly initialized. One particular case: non-captured binding declared inside loop body (but not in loop initializer) + // let x; + // for (;;) { + // let x; + // } + // in downlevel codegen inner 'x' will be renamed so it won't collide with outer 'x' however it will should be reset on every iteration + // as if it was declared anew. + // * Why non-captured binding - because if loop contains block scoped binding captured in some function then loop body will be rewritten + // to have a fresh scope on every iteration so everything will just work. + // * Why loop initializer is excluded - since we've introduced a fresh name it already will be undefined. + var isCapturedInFunction = flags & 131072 /* CapturedBlockScopedBinding */; + var isDeclaredInLoop = flags & 262144 /* BlockScopedBindingInLoop */; + var emittedAsTopLevel = ts.isBlockScopedContainerTopLevel(container) || + (isCapturedInFunction && isDeclaredInLoop && container.kind === 195 /* Block */ && ts.isIterationStatement(container.parent, /*lookInLabeledStatements*/ false)); + var emittedAsNestedLetDeclaration = ts.getCombinedNodeFlags(node) & 8192 /* Let */ && + !emittedAsTopLevel; + var emitExplicitInitializer = emittedAsNestedLetDeclaration && + container.kind !== 203 /* ForInStatement */ && + container.kind !== 204 /* ForOfStatement */ && + (!resolver.isDeclarationWithCollidingName(node) || + (isDeclaredInLoop && !isCapturedInFunction && !ts.isIterationStatement(container, /*lookInLabeledStatements*/ false))); + if (emitExplicitInitializer) { + initializer = createVoidZero(); + } + } + var exportChanged = isNameOfExportedSourceLevelDeclarationInSystemExternalModule(node.name); + if (exportChanged) { + write(exportFunctionForFile + "(\""); + emitNodeWithCommentsAndWithoutSourcemap(node.name); + write("\", "); + } + emitModuleMemberName(node); + emitOptional(" = ", initializer); + if (exportChanged) { + write(")"); + } + } + } + function emitExportVariableAssignments(node) { + if (node.kind === 190 /* OmittedExpression */) { + return; + } + var name = node.name; + if (name.kind === 69 /* Identifier */) { + emitExportMemberAssignments(name); + } + else if (ts.isBindingPattern(name)) { + ts.forEach(name.elements, emitExportVariableAssignments); + } + } + function isES6ExportedDeclaration(node) { + return !!(node.flags & 2 /* Export */) && + modulekind === 5 /* ES6 */ && + node.parent.kind === 251 /* SourceFile */; + } + function emitVariableStatement(node) { + var startIsEmitted = false; + if (node.flags & 2 /* Export */) { + if (isES6ExportedDeclaration(node)) { + // Exported ES6 module member + write("export "); + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + } + else { + startIsEmitted = tryEmitStartOfVariableDeclarationList(node.declarationList); + } + if (startIsEmitted) { + emitCommaList(node.declarationList.declarations); + write(";"); + } + else { + var atLeastOneItem = emitVariableDeclarationListSkippingUninitializedEntries(node.declarationList); + if (atLeastOneItem) { + write(";"); + } + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { + ts.forEach(node.declarationList.declarations, emitExportVariableAssignments); + } + } + function shouldEmitLeadingAndTrailingCommentsForVariableStatement(node) { + // If we're not exporting the variables, there's nothing special here. + // Always emit comments for these nodes. + if (!(node.flags & 2 /* Export */)) { + return true; + } + // If we are exporting, but it's a top-level ES6 module exports, + // we'll emit the declaration list verbatim, so emit comments too. + if (isES6ExportedDeclaration(node)) { + return true; + } + // Otherwise, only emit if we have at least one initializer present. + for (var _a = 0, _b = node.declarationList.declarations; _a < _b.length; _a++) { + var declaration = _b[_a]; + if (declaration.initializer) { + return true; + } + } + return false; + } + function emitParameter(node) { + if (languageVersion < 2 /* ES6 */) { + if (ts.isBindingPattern(node.name)) { + var name_27 = createTempVariable(0 /* Auto */); + if (!tempParameters) { + tempParameters = []; + } + tempParameters.push(name_27); + emit(name_27); + } + else { + emit(node.name); + } + } + else { + if (node.dotDotDotToken) { + write("..."); + } + emit(node.name); + emitOptional(" = ", node.initializer); + } + } + function emitDefaultValueAssignments(node) { + if (languageVersion < 2 /* ES6 */) { + var tempIndex_1 = 0; + ts.forEach(node.parameters, function (parameter) { + // A rest parameter cannot have a binding pattern or an initializer, + // so let's just ignore it. + if (parameter.dotDotDotToken) { + return; + } + var paramName = parameter.name, initializer = parameter.initializer; + if (ts.isBindingPattern(paramName)) { + // In cases where a binding pattern is simply '[]' or '{}', + // we usually don't want to emit a var declaration; however, in the presence + // of an initializer, we must emit that expression to preserve side effects. + var hasBindingElements = paramName.elements.length > 0; + if (hasBindingElements || initializer) { + writeLine(); + write("var "); + if (hasBindingElements) { + emitDestructuring(parameter, /*isAssignmentExpressionStatement*/ false, tempParameters[tempIndex_1]); + } + else { + emit(tempParameters[tempIndex_1]); + write(" = "); + emit(initializer); + } + write(";"); + tempIndex_1++; + } + } + else if (initializer) { + writeLine(); + emitStart(parameter); + write("if ("); + emitNodeWithoutSourceMap(paramName); + write(" === void 0)"); + emitEnd(parameter); + write(" { "); + emitStart(parameter); + emitNodeWithCommentsAndWithoutSourcemap(paramName); + write(" = "); + emitNodeWithCommentsAndWithoutSourcemap(initializer); + emitEnd(parameter); + write("; }"); + } + }); + } + } + function emitRestParameter(node) { + if (languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node)) { + var restIndex = node.parameters.length - 1; + var restParam = node.parameters[restIndex]; + // A rest parameter cannot have a binding pattern, so let's just ignore it if it does. + if (ts.isBindingPattern(restParam.name)) { + return; + } + var tempName = createTempVariable(268435456 /* _i */).text; + writeLine(); + emitLeadingComments(restParam); + emitStart(restParam); + write("var "); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write(" = [];"); + emitEnd(restParam); + emitTrailingComments(restParam); + writeLine(); + write("for ("); + emitStart(restParam); + write("var " + tempName + " = " + restIndex + ";"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + " < arguments.length;"); + emitEnd(restParam); + write(" "); + emitStart(restParam); + write(tempName + "++"); + emitEnd(restParam); + write(") {"); + increaseIndent(); + writeLine(); + emitStart(restParam); + emitNodeWithCommentsAndWithoutSourcemap(restParam.name); + write("[" + tempName + " - " + restIndex + "] = arguments[" + tempName + "];"); + emitEnd(restParam); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitAccessor(node) { + write(node.kind === 146 /* GetAccessor */ ? "get " : "set "); + emit(node.name); + emitSignatureAndBody(node); + } + function shouldEmitAsArrowFunction(node) { + return node.kind === 177 /* ArrowFunction */ && languageVersion >= 2 /* ES6 */; + } + function emitDeclarationName(node) { + if (node.name) { + emitNodeWithCommentsAndWithoutSourcemap(node.name); + } + else { + write(getGeneratedNameForNode(node)); + } + } + function shouldEmitFunctionName(node) { + if (node.kind === 176 /* FunctionExpression */) { + // Emit name if one is present + return !!node.name; + } + if (node.kind === 216 /* FunctionDeclaration */) { + // Emit name if one is present, or emit generated name in down-level case (for export default case) + return !!node.name || modulekind !== 5 /* ES6 */; + } + } + function emitFunctionDeclaration(node) { + if (ts.nodeIsMissing(node.body)) { + return emitCommentsOnNotEmittedNode(node); + } + // TODO (yuisu) : we should not have special cases to condition emitting comments + // but have one place to fix check for these conditions. + var kind = node.kind, parent = node.parent; + if (kind !== 144 /* MethodDeclaration */ && + kind !== 143 /* MethodSignature */ && + parent && + parent.kind !== 248 /* PropertyAssignment */ && + parent.kind !== 171 /* CallExpression */ && + parent.kind !== 167 /* ArrayLiteralExpression */) { + // 1. Methods will emit comments at their assignment declaration sites. + // + // 2. If the function is a property of object literal, emitting leading-comments + // is done by emitNodeWithoutSourceMap which then call this function. + // In particular, we would like to avoid emit comments twice in following case: + // + // var obj = { + // id: + // /*comment*/ () => void + // } + // + // 3. If the function is an argument in call expression, emitting of comments will be + // taken care of in emit list of arguments inside of 'emitCallExpression'. + // + // 4. If the function is in an array literal, 'emitLinePreservingList' will take care + // of leading comments. + emitLeadingComments(node); + } + emitStart(node); + // For targeting below es6, emit functions-like declaration including arrow function using function keyword. + // When targeting ES6, emit arrow function natively in ES6 by omitting function keyword and using fat arrow instead + if (!shouldEmitAsArrowFunction(node)) { + if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512 /* Default */) { + write("default "); + } + } + write("function"); + if (languageVersion >= 2 /* ES6 */ && node.asteriskToken) { + write("*"); + } + write(" "); + } + if (shouldEmitFunctionName(node)) { + emitDeclarationName(node); + } + emitSignatureAndBody(node); + if (modulekind !== 5 /* ES6 */ && kind === 216 /* FunctionDeclaration */ && parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + emitEnd(node); + if (kind !== 144 /* MethodDeclaration */ && kind !== 143 /* MethodSignature */) { + emitTrailingComments(node); + } + } + function emitCaptureThisForNodeIfNecessary(node) { + if (resolver.getNodeCheckFlags(node) & 4 /* CaptureThis */) { + writeLine(); + emitStart(node); + write("var _this = this;"); + emitEnd(node); + } + } + function emitSignatureParameters(node) { + increaseIndent(); + write("("); + if (node) { + var parameters = node.parameters; + var omitCount = languageVersion < 2 /* ES6 */ && ts.hasRestParameter(node) ? 1 : 0; + emitList(parameters, 0, parameters.length - omitCount, /*multiLine*/ false, /*trailingComma*/ false); + } + write(")"); + decreaseIndent(); + } + function emitSignatureParametersForArrow(node) { + // Check whether the parameter list needs parentheses and preserve no-parenthesis + if (node.parameters.length === 1 && node.pos === node.parameters[0].pos) { + emit(node.parameters[0]); + return; + } + emitSignatureParameters(node); + } + function emitAsyncFunctionBodyForES6(node) { + var promiseConstructor = ts.getEntityNameFromTypeNode(node.type); + var isArrowFunction = node.kind === 177 /* ArrowFunction */; + var hasLexicalArguments = (resolver.getNodeCheckFlags(node) & 8192 /* CaptureArguments */) !== 0; + // An async function is emit as an outer function that calls an inner + // generator function. To preserve lexical bindings, we pass the current + // `this` and `arguments` objects to `__awaiter`. The generator function + // passed to `__awaiter` is executed inside of the callback to the + // promise constructor. + // + // The emit for an async arrow without a lexical `arguments` binding might be: + // + // // input + // let a = async (b) => { await b; } + // + // // output + // let a = (b) => __awaiter(this, void 0, void 0, function* () { + // yield b; + // }); + // + // The emit for an async arrow with a lexical `arguments` binding might be: + // + // // input + // let a = async (b) => { await arguments[0]; } + // + // // output + // let a = (b) => __awaiter(this, arguments, void 0, function* (arguments) { + // yield arguments[0]; + // }); + // + // The emit for an async function expression without a lexical `arguments` binding + // might be: + // + // // input + // let a = async function (b) { + // await b; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, void 0, void 0, function* () { + // yield b; + // }); + // } + // + // The emit for an async function expression with a lexical `arguments` binding + // might be: + // + // // input + // let a = async function (b) { + // await arguments[0]; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, arguments, void 0, function* (_arguments) { + // yield _arguments[0]; + // }); + // } + // + // The emit for an async function expression with a lexical `arguments` binding + // and a return type annotation might be: + // + // // input + // let a = async function (b): MyPromise { + // await arguments[0]; + // } + // + // // output + // let a = function (b) { + // return __awaiter(this, arguments, MyPromise, function* (_arguments) { + // yield _arguments[0]; + // }); + // } + // + // If this is not an async arrow, emit the opening brace of the function body + // and the start of the return statement. + if (!isArrowFunction) { + write(" {"); + increaseIndent(); + writeLine(); + if (resolver.getNodeCheckFlags(node) & 4096 /* AsyncMethodWithSuperBinding */) { + writeLines("\nconst _super = (function (geti, seti) {\n const cache = Object.create(null);\n return name => cache[name] || (cache[name] = { get value() { return geti(name); }, set value(v) { seti(name, v); } });\n})(name => super[name], (name, value) => super[name] = value);"); + writeLine(); + } + else if (resolver.getNodeCheckFlags(node) & 2048 /* AsyncMethodWithSuper */) { + write("const _super = name => super[name];"); + writeLine(); + } + write("return"); + } + write(" __awaiter(this"); + if (hasLexicalArguments) { + write(", arguments, "); + } + else { + write(", void 0, "); + } + if (!promiseConstructor || (compilerOptions.noCustomAsyncPromise && languageVersion >= 2 /* ES6 */)) { + write("void 0"); + } + else { + emitEntityNameAsExpression(promiseConstructor, /*useFallback*/ false); + } + // Emit the call to __awaiter. + write(", function* ()"); + // Emit the signature and body for the inner generator function. + emitFunctionBody(node); + write(")"); + // If this is not an async arrow, emit the closing brace of the outer function body. + if (!isArrowFunction) { + write(";"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function emitFunctionBody(node) { + if (!node.body) { + // There can be no body when there are parse errors. Just emit an empty block + // in that case. + write(" { }"); + } + else { + if (node.body.kind === 195 /* Block */) { + emitBlockFunctionBody(node, node.body); + } + else { + emitExpressionFunctionBody(node, node.body); + } + } + } + function emitSignatureAndBody(node) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + // When targeting ES6, emit arrow function natively in ES6 + if (shouldEmitAsArrowFunction(node)) { + emitSignatureParametersForArrow(node); + write(" =>"); + } + else { + emitSignatureParameters(node); + } + var isAsync = ts.isAsyncFunctionLike(node); + if (isAsync) { + emitAsyncFunctionBodyForES6(node); + } + else { + emitFunctionBody(node); + } + if (!isES6ExportedDeclaration(node)) { + emitExportMemberAssignment(node); + } + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + // Returns true if any preamble code was emitted. + function emitFunctionBodyPreamble(node) { + emitCaptureThisForNodeIfNecessary(node); + emitDefaultValueAssignments(node); + emitRestParameter(node); + } + function emitExpressionFunctionBody(node, body) { + if (languageVersion < 2 /* ES6 */ || node.flags & 256 /* Async */) { + emitDownLevelExpressionFunctionBody(node, body); + return; + } + // For es6 and higher we can emit the expression as is. However, in the case + // where the expression might end up looking like a block when emitted, we'll + // also wrap it in parentheses first. For example if you have: a => {} + // then we need to generate: a => ({}) + write(" "); + // Unwrap all type assertions. + var current = body; + while (current.kind === 174 /* TypeAssertionExpression */) { + current = current.expression; + } + emitParenthesizedIf(body, current.kind === 168 /* ObjectLiteralExpression */); + } + function emitDownLevelExpressionFunctionBody(node, body) { + write(" {"); + increaseIndent(); + var outPos = writer.getTextPos(); + emitDetachedCommentsAndUpdateCommentsInfo(node.body); + emitFunctionBodyPreamble(node); + var preambleEmitted = writer.getTextPos() !== outPos; + decreaseIndent(); + // If we didn't have to emit any preamble code, then attempt to keep the arrow + // function on one line. + if (!preambleEmitted && nodeStartPositionsAreOnSameLine(node, body)) { + write(" "); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTempDeclarations(/*newLine*/ false); + write(" "); + } + else { + increaseIndent(); + writeLine(); + emitLeadingComments(node.body); + emitStart(body); + write("return "); + emit(body); + emitEnd(body); + write(";"); + emitTrailingComments(node.body); + emitTempDeclarations(/*newLine*/ true); + decreaseIndent(); + writeLine(); + } + emitStart(node.body); + write("}"); + emitEnd(node.body); + } + function emitBlockFunctionBody(node, body) { + write(" {"); + var initialTextPos = writer.getTextPos(); + increaseIndent(); + emitDetachedCommentsAndUpdateCommentsInfo(body.statements); + // Emit all the directive prologues (like "use strict"). These have to come before + // any other preamble code we write (like parameter initializers). + var startIndex = emitDirectivePrologues(body.statements, /*startWithNewLine*/ true); + emitFunctionBodyPreamble(node); + decreaseIndent(); + var preambleEmitted = writer.getTextPos() !== initialTextPos; + if (!preambleEmitted && nodeEndIsOnSameLineAsNodeStart(body, body)) { + for (var _a = 0, _b = body.statements; _a < _b.length; _a++) { + var statement = _b[_a]; + write(" "); + emit(statement); + } + emitTempDeclarations(/*newLine*/ false); + write(" "); + emitLeadingCommentsOfPosition(body.statements.end); + } + else { + increaseIndent(); + emitLinesStartingAt(body.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + writeLine(); + emitLeadingCommentsOfPosition(body.statements.end); + decreaseIndent(); + } + emitToken(16 /* CloseBraceToken */, body.statements.end); + } + /** + * Return the statement at a given index if it is a super-call statement + * @param ctor a constructor declaration + * @param index an index to constructor's body to check + */ + function getSuperCallAtGivenIndex(ctor, index) { + if (!ctor.body) { + return undefined; + } + var statements = ctor.body.statements; + if (!statements || index >= statements.length) { + return undefined; + } + var statement = statements[index]; + if (statement.kind === 198 /* ExpressionStatement */) { + return ts.isSuperCallExpression(statement.expression) ? statement : undefined; + } + } + function emitParameterPropertyAssignments(node) { + ts.forEach(node.parameters, function (param) { + if (param.flags & 56 /* AccessibilityModifier */) { + writeLine(); + emitStart(param); + emitStart(param.name); + write("this."); + emitNodeWithoutSourceMap(param.name); + emitEnd(param.name); + write(" = "); + emit(param.name); + write(";"); + emitEnd(param); + } + }); + } + function emitMemberAccessForPropertyName(memberName) { + // This does not emit source map because it is emitted by caller as caller + // is aware how the property name changes to the property access + // eg. public x = 10; becomes this.x and static x = 10 becomes className.x + if (memberName.kind === 9 /* StringLiteral */ || memberName.kind === 8 /* NumericLiteral */) { + write("["); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + write("]"); + } + else if (memberName.kind === 137 /* ComputedPropertyName */) { + emitComputedPropertyName(memberName); + } + else { + write("."); + emitNodeWithCommentsAndWithoutSourcemap(memberName); + } + } + function getInitializedProperties(node, isStatic) { + var properties = []; + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if (member.kind === 142 /* PropertyDeclaration */ && isStatic === ((member.flags & 64 /* Static */) !== 0) && member.initializer) { + properties.push(member); + } + } + return properties; + } + function emitPropertyDeclarations(node, properties) { + for (var _a = 0, properties_6 = properties; _a < properties_6.length; _a++) { + var property = properties_6[_a]; + emitPropertyDeclaration(node, property); + } + } + function emitPropertyDeclaration(node, property, receiver, isExpression) { + writeLine(); + emitLeadingComments(property); + emitStart(property); + emitStart(property.name); + if (receiver) { + emit(receiver); + } + else { + if (property.flags & 64 /* Static */) { + emitDeclarationName(node); + } + else { + write("this"); + } + } + emitMemberAccessForPropertyName(property.name); + emitEnd(property.name); + write(" = "); + emit(property.initializer); + if (!isExpression) { + write(";"); + } + emitEnd(property); + emitTrailingComments(property); + } + function emitMemberFunctionsForES5AndLower(node) { + ts.forEach(node.members, function (member) { + if (member.kind === 194 /* SemicolonClassElement */) { + writeLine(); + write(";"); + } + else if (member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) { + if (!member.body) { + return emitCommentsOnNotEmittedNode(member); + } + writeLine(); + emitLeadingComments(member); + emitStart(member); + emitStart(member.name); + emitClassMemberPrefix(node, member); + emitMemberAccessForPropertyName(member.name); + emitEnd(member.name); + write(" = "); + emitFunctionDeclaration(member); + emitEnd(member); + write(";"); + emitTrailingComments(member); + } + else if (member.kind === 146 /* GetAccessor */ || member.kind === 147 /* SetAccessor */) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member === accessors.firstAccessor) { + writeLine(); + emitStart(member); + write("Object.defineProperty("); + emitStart(member.name); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + emitEnd(member.name); + write(", {"); + increaseIndent(); + if (accessors.getAccessor) { + writeLine(); + emitLeadingComments(accessors.getAccessor); + write("get: "); + emitStart(accessors.getAccessor); + write("function "); + emitSignatureAndBody(accessors.getAccessor); + emitEnd(accessors.getAccessor); + emitTrailingComments(accessors.getAccessor); + write(","); + } + if (accessors.setAccessor) { + writeLine(); + emitLeadingComments(accessors.setAccessor); + write("set: "); + emitStart(accessors.setAccessor); + write("function "); + emitSignatureAndBody(accessors.setAccessor); + emitEnd(accessors.setAccessor); + emitTrailingComments(accessors.setAccessor); + write(","); + } + writeLine(); + write("enumerable: true,"); + writeLine(); + write("configurable: true"); + decreaseIndent(); + writeLine(); + write("});"); + emitEnd(member); + } + } + }); + } + function emitMemberFunctionsForES6AndHigher(node) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + if ((member.kind === 144 /* MethodDeclaration */ || node.kind === 143 /* MethodSignature */) && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + else if (member.kind === 144 /* MethodDeclaration */ || + member.kind === 146 /* GetAccessor */ || + member.kind === 147 /* SetAccessor */) { + writeLine(); + emitLeadingComments(member); + emitStart(member); + if (member.flags & 64 /* Static */) { + write("static "); + } + if (member.kind === 146 /* GetAccessor */) { + write("get "); + } + else if (member.kind === 147 /* SetAccessor */) { + write("set "); + } + if (member.asteriskToken) { + write("*"); + } + emit(member.name); + emitSignatureAndBody(member); + emitEnd(member); + emitTrailingComments(member); + } + else if (member.kind === 194 /* SemicolonClassElement */) { + writeLine(); + write(";"); + } + } + } + function emitConstructor(node, baseTypeElement) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + emitConstructorWorker(node, baseTypeElement); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + } + function emitConstructorWorker(node, baseTypeElement) { + // Check if we have property assignment inside class declaration. + // If there is property assignment, we need to emit constructor whether users define it or not + // If there is no property assignment, we can omit constructor if users do not define it + var hasInstancePropertyWithInitializer = false; + // Emit the constructor overload pinned comments + ts.forEach(node.members, function (member) { + if (member.kind === 145 /* Constructor */ && !member.body) { + emitCommentsOnNotEmittedNode(member); + } + // Check if there is any non-static property assignment + if (member.kind === 142 /* PropertyDeclaration */ && member.initializer && (member.flags & 64 /* Static */) === 0) { + hasInstancePropertyWithInitializer = true; + } + }); + var ctor = ts.getFirstConstructorWithBody(node); + // For target ES6 and above, if there is no user-defined constructor and there is no property assignment + // do not emit constructor in class declaration. + if (languageVersion >= 2 /* ES6 */ && !ctor && !hasInstancePropertyWithInitializer) { + return; + } + if (ctor) { + emitLeadingComments(ctor); + } + emitStart(ctor || node); + if (languageVersion < 2 /* ES6 */) { + write("function "); + emitDeclarationName(node); + emitSignatureParameters(ctor); + } + else { + write("constructor"); + if (ctor) { + emitSignatureParameters(ctor); + } + else { + // Based on EcmaScript6 section 14.5.14: Runtime Semantics: ClassDefinitionEvaluation. + // If constructor is empty, then, + // If ClassHeritageopt is present, then + // Let constructor be the result of parsing the String "constructor(... args){ super (...args);}" using the syntactic grammar with the goal symbol MethodDefinition. + // Else, + // Let constructor be the result of parsing the String "constructor( ){ }" using the syntactic grammar with the goal symbol MethodDefinition + if (baseTypeElement) { + write("(...args)"); + } + else { + write("()"); + } + } + } + var startIndex = 0; + write(" {"); + increaseIndent(); + if (ctor) { + // Emit all the directive prologues (like "use strict"). These have to come before + // any other preamble code we write (like parameter initializers). + startIndex = emitDirectivePrologues(ctor.body.statements, /*startWithNewLine*/ true); + emitDetachedCommentsAndUpdateCommentsInfo(ctor.body.statements); + } + emitCaptureThisForNodeIfNecessary(node); + var superCall; + if (ctor) { + emitDefaultValueAssignments(ctor); + emitRestParameter(ctor); + if (baseTypeElement) { + superCall = getSuperCallAtGivenIndex(ctor, startIndex); + if (superCall) { + writeLine(); + emit(superCall); + } + } + emitParameterPropertyAssignments(ctor); + } + else { + if (baseTypeElement) { + writeLine(); + emitStart(baseTypeElement); + if (languageVersion < 2 /* ES6 */) { + write("_super.apply(this, arguments);"); + } + else { + write("super(...args);"); + } + emitEnd(baseTypeElement); + } + } + emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ false)); + if (ctor) { + var statements = ctor.body.statements; + if (superCall) { + statements = statements.slice(1); + } + emitLinesStartingAt(statements, startIndex); + } + emitTempDeclarations(/*newLine*/ true); + writeLine(); + if (ctor) { + emitLeadingCommentsOfPosition(ctor.body.statements.end); + } + decreaseIndent(); + emitToken(16 /* CloseBraceToken */, ctor ? ctor.body.statements.end : node.members.end); + emitEnd(ctor || node); + if (ctor) { + emitTrailingComments(ctor); + } + } + function emitClassExpression(node) { + return emitClassLikeDeclaration(node); + } + function emitClassDeclaration(node) { + return emitClassLikeDeclaration(node); + } + function emitClassLikeDeclaration(node) { + if (languageVersion < 2 /* ES6 */) { + emitClassLikeDeclarationBelowES6(node); + } + else { + emitClassLikeDeclarationForES6AndHigher(node); + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile && node.name) { + emitExportMemberAssignments(node.name); + } + } + function emitClassLikeDeclarationForES6AndHigher(node) { + var decoratedClassAlias; + var thisNodeIsDecorated = ts.nodeIsDecorated(node); + if (node.kind === 217 /* ClassDeclaration */) { + if (thisNodeIsDecorated) { + // When we emit an ES6 class that has a class decorator, we must tailor the + // emit to certain specific cases. + // + // In the simplest case, we emit the class declaration as a let declaration, and + // evaluate decorators after the close of the class body: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C = class C { + // class C { | } + // } | C = __decorate([dec], C); + // --------------------------------|------------------------------------ + // @dec | export let C = class C { + // export class C { | } + // } | C = __decorate([dec], C); + // --------------------------------------------------------------------- + // [Example 1] + // + // If a class declaration contains a reference to itself *inside* of the class body, + // this introduces two bindings to the class: One outside of the class body, and one + // inside of the class body. If we apply decorators as in [Example 1] above, there + // is the possibility that the decorator `dec` will return a new value for the + // constructor, which would result in the binding inside of the class no longer + // pointing to the same reference as the binding outside of the class. + // + // As a result, we must instead rewrite all references to the class *inside* of the + // class body to instead point to a local temporary alias for the class: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C_1; + // class C { | let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // --------------------------------|------------------------------------ + // @dec | let C_1; + // export class C { | export let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // --------------------------------------------------------------------- + // [Example 2] + // + // If a class declaration is the default export of a module, we instead emit + // the export after the decorated declaration: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let default_1 = class { + // export default class { | } + // } | default_1 = __decorate([dec], default_1); + // | export default default_1; + // --------------------------------|------------------------------------ + // @dec | let C = class C { + // export default class { | } + // } | C = __decorate([dec], C); + // | export default C; + // --------------------------------------------------------------------- + // [Example 3] + // + // If the class declaration is the default export and a reference to itself + // inside of the class body, we must emit both an alias for the class *and* + // move the export after the declaration: + // + // TypeScript | Javascript + // --------------------------------|------------------------------------ + // @dec | let C_1; + // export default class C { | let C = C_1 = class C { + // static x() { return C.y; } | static x() { return C_1.y; } + // static y = 1; | } + // } | C.y = 1; + // | C = C_1 = __decorate([dec], C); + // | export default C; + // --------------------------------------------------------------------- + // [Example 4] + // + if (resolver.getNodeCheckFlags(node) & 524288 /* ClassWithBodyScopedClassBinding */) { + decoratedClassAlias = ts.unescapeIdentifier(makeUniqueName(node.name ? node.name.text : "default")); + decoratedClassAliases[ts.getNodeId(node)] = decoratedClassAlias; + write("let " + decoratedClassAlias + ";"); + writeLine(); + } + if (isES6ExportedDeclaration(node) && !(node.flags & 512 /* Default */)) { + write("export "); + } + write("let "); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = "); + } + else if (isES6ExportedDeclaration(node)) { + write("export "); + if (node.flags & 512 /* Default */) { + write("default "); + } + } + } + // If the class has static properties, and it's a class expression, then we'll need + // to specialize the emit a bit. for a class expression of the form: + // + // class C { static a = 1; static b = 2; ... } + // + // We'll emit: + // + // (_temp = class C { ... }, _temp.a = 1, _temp.b = 2, _temp) + // + // This keeps the expression as an expression, while ensuring that the static parts + // of it have been initialized by the time it is used. + var staticProperties = getInitializedProperties(node, /*isStatic*/ true); + var isClassExpressionWithStaticProperties = staticProperties.length > 0 && node.kind === 189 /* ClassExpression */; + var tempVariable; + if (isClassExpressionWithStaticProperties) { + tempVariable = createAndRecordTempVariable(0 /* Auto */); + write("("); + increaseIndent(); + emit(tempVariable); + write(" = "); + } + write("class"); + // emit name if + // - node has a name + // - this is default export with static initializers + if (node.name || (node.flags & 512 /* Default */ && (staticProperties.length > 0 || modulekind !== 5 /* ES6 */) && !thisNodeIsDecorated)) { + write(" "); + emitDeclarationName(node); + } + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write(" extends "); + emit(baseTypeNode.expression); + } + write(" {"); + increaseIndent(); + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES6AndHigher(node); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + if (thisNodeIsDecorated) { + decoratedClassAliases[ts.getNodeId(node)] = undefined; + write(";"); + } + // Emit static property assignment. Because classDeclaration is lexically evaluated, + // it is safe to emit static property assignment after classDeclaration + // From ES6 specification: + // HasLexicalDeclaration (N) : Determines if the argument identifier has a binding in this environment record that was created using + // a lexical declaration such as a LexicalDeclaration or a ClassDeclaration. + if (isClassExpressionWithStaticProperties) { + for (var _a = 0, staticProperties_1 = staticProperties; _a < staticProperties_1.length; _a++) { + var property = staticProperties_1[_a]; + write(","); + writeLine(); + emitPropertyDeclaration(node, property, /*receiver*/ tempVariable, /*isExpression*/ true); + } + write(","); + writeLine(); + emit(tempVariable); + decreaseIndent(); + write(")"); + } + else { + writeLine(); + emitPropertyDeclarations(node, staticProperties); + emitDecoratorsOfClass(node, decoratedClassAlias); + } + if (!(node.flags & 2 /* Export */)) { + return; + } + if (modulekind !== 5 /* ES6 */) { + emitExportMemberAssignment(node); + } + else { + // If this is an exported class, but not on the top level (i.e. on an internal + // module), export it + if (node.flags & 512 /* Default */) { + // if this is a top level default export of decorated class, write the export after the declaration. + if (thisNodeIsDecorated) { + writeLine(); + write("export default "); + emitDeclarationName(node); + write(";"); + } + } + else if (node.parent.kind !== 251 /* SourceFile */) { + writeLine(); + emitStart(node); + emitModuleMemberName(node); + write(" = "); + emitDeclarationName(node); + emitEnd(node); + write(";"); + } + } + } + function emitClassLikeDeclarationBelowES6(node) { + if (node.kind === 217 /* ClassDeclaration */) { + // source file level classes in system modules are hoisted so 'var's for them are already defined + if (!shouldHoistDeclarationInSystemJsModule(node)) { + write("var "); + } + emitDeclarationName(node); + write(" = "); + } + write("(function ("); + var baseTypeNode = ts.getClassExtendsHeritageClauseElement(node); + if (baseTypeNode) { + write("_super"); + } + write(") {"); + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + var saveTempParameters = tempParameters; + var saveComputedPropertyNamesToGeneratedNames = computedPropertyNamesToGeneratedNames; + var saveConvertedLoopState = convertedLoopState; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + tempParameters = undefined; + computedPropertyNamesToGeneratedNames = undefined; + increaseIndent(); + if (baseTypeNode) { + writeLine(); + emitStart(baseTypeNode); + write("__extends("); + emitDeclarationName(node); + write(", _super);"); + emitEnd(baseTypeNode); + } + writeLine(); + emitConstructor(node, baseTypeNode); + emitMemberFunctionsForES5AndLower(node); + emitPropertyDeclarations(node, getInitializedProperties(node, /*isStatic*/ true)); + writeLine(); + emitDecoratorsOfClass(node, /*decoratedClassAlias*/ undefined); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end, function () { + write("return "); + emitDeclarationName(node); + }); + write(";"); + emitTempDeclarations(/*newLine*/ true); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + tempParameters = saveTempParameters; + computedPropertyNamesToGeneratedNames = saveComputedPropertyNamesToGeneratedNames; + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + emitStart(node); + write("("); + if (baseTypeNode) { + emit(baseTypeNode.expression); + } + write("))"); + if (node.kind === 217 /* ClassDeclaration */) { + write(";"); + } + emitEnd(node); + if (node.kind === 217 /* ClassDeclaration */) { + emitExportMemberAssignment(node); + } + } + function emitClassMemberPrefix(node, member) { + emitDeclarationName(node); + if (!(member.flags & 64 /* Static */)) { + write(".prototype"); + } + } + function emitDecoratorsOfClass(node, decoratedClassAlias) { + emitDecoratorsOfMembers(node, /*staticFlag*/ 0); + emitDecoratorsOfMembers(node, 64 /* Static */); + emitDecoratorsOfConstructor(node, decoratedClassAlias); + } + function emitDecoratorsOfConstructor(node, decoratedClassAlias) { + var decorators = node.decorators; + var constructor = ts.getFirstConstructorWithBody(node); + var firstParameterDecorator = constructor && ts.forEach(constructor.parameters, function (parameter) { return parameter.decorators; }); + // skip decoration of the constructor if neither it nor its parameters are decorated + if (!decorators && !firstParameterDecorator) { + return; + } + // Emit the call to __decorate. Given the class: + // + // @dec + // class C { + // } + // + // The emit for the class is: + // + // C = __decorate([dec], C); + // + writeLine(); + emitStart(node.decorators || firstParameterDecorator); + emitDeclarationName(node); + if (decoratedClassAlias !== undefined) { + write(" = " + decoratedClassAlias); + } + write(" = __decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(constructor, /*leadingComma*/ argumentsWritten > 0); + } + emitSerializedTypeMetadata(node, /*leadingComma*/ argumentsWritten >= 0); + decreaseIndent(); + writeLine(); + write("], "); + emitDeclarationName(node); + write(")"); + emitEnd(node.decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + function emitDecoratorsOfMembers(node, staticFlag) { + for (var _a = 0, _b = node.members; _a < _b.length; _a++) { + var member = _b[_a]; + // only emit members in the correct group + if ((member.flags & 64 /* Static */) !== staticFlag) { + continue; + } + // skip members that cannot be decorated (such as the constructor) + if (!ts.nodeCanBeDecorated(member)) { + continue; + } + // skip an accessor declaration if it is not the first accessor + var decorators = void 0; + var functionLikeMember = void 0; + if (ts.isAccessor(member)) { + var accessors = ts.getAllAccessorDeclarations(node.members, member); + if (member !== accessors.firstAccessor) { + continue; + } + // get the decorators from the first accessor with decorators + decorators = accessors.firstAccessor.decorators; + if (!decorators && accessors.secondAccessor) { + decorators = accessors.secondAccessor.decorators; + } + // we only decorate parameters of the set accessor + functionLikeMember = accessors.setAccessor; + } + else { + decorators = member.decorators; + // we only decorate the parameters here if this is a method + if (member.kind === 144 /* MethodDeclaration */) { + functionLikeMember = member; + } + } + var firstParameterDecorator = functionLikeMember && ts.forEach(functionLikeMember.parameters, function (parameter) { return parameter.decorators; }); + // skip a member if it or any of its parameters are not decorated + if (!decorators && !firstParameterDecorator) { + continue; + } + // Emit the call to __decorate. Given the following: + // + // class C { + // @dec method(@dec2 x) {} + // @dec get accessor() {} + // @dec prop; + // } + // + // The emit for a method is: + // + // __decorate([ + // dec, + // __param(0, dec2), + // __metadata("design:type", Function), + // __metadata("design:paramtypes", [Object]), + // __metadata("design:returntype", void 0) + // ], C.prototype, "method", undefined); + // + // The emit for an accessor is: + // + // __decorate([ + // dec + // ], C.prototype, "accessor", undefined); + // + // The emit for a property is: + // + // __decorate([ + // dec + // ], C.prototype, "prop"); + // + writeLine(); + emitStart(decorators || firstParameterDecorator); + write("__decorate(["); + increaseIndent(); + writeLine(); + var decoratorCount = decorators ? decorators.length : 0; + var argumentsWritten = emitList(decorators, 0, decoratorCount, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ false, /*noTrailingNewLine*/ true, function (decorator) { return emit(decorator.expression); }); + if (firstParameterDecorator) { + argumentsWritten += emitDecoratorsOfParameters(functionLikeMember, argumentsWritten > 0); + } + emitSerializedTypeMetadata(member, argumentsWritten > 0); + decreaseIndent(); + writeLine(); + write("], "); + emitClassMemberPrefix(node, member); + write(", "); + emitExpressionForPropertyName(member.name); + if (languageVersion > 0 /* ES3 */) { + if (member.kind !== 142 /* PropertyDeclaration */) { + // We emit `null` here to indicate to `__decorate` that it can invoke `Object.getOwnPropertyDescriptor` directly. + // We have this extra argument here so that we can inject an explicit property descriptor at a later date. + write(", null"); + } + else { + // We emit `void 0` here to indicate to `__decorate` that it can invoke `Object.defineProperty` directly, but that it + // should not invoke `Object.getOwnPropertyDescriptor`. + write(", void 0"); + } + } + write(")"); + emitEnd(decorators || firstParameterDecorator); + write(";"); + writeLine(); + } + } + function emitDecoratorsOfParameters(node, leadingComma) { + var argumentsWritten = 0; + if (node) { + var parameterIndex_1 = 0; + for (var _a = 0, _b = node.parameters; _a < _b.length; _a++) { + var parameter = _b[_a]; + if (ts.nodeIsDecorated(parameter)) { + var decorators = parameter.decorators; + argumentsWritten += emitList(decorators, 0, decorators.length, /*multiLine*/ true, /*trailingComma*/ false, /*leadingComma*/ leadingComma, /*noTrailingNewLine*/ true, function (decorator) { + write("__param(" + parameterIndex_1 + ", "); + emit(decorator.expression); + write(")"); + }); + leadingComma = true; + } + parameterIndex_1++; + } + } + return argumentsWritten; + } + function shouldEmitTypeMetadata(node) { + // This method determines whether to emit the "design:type" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 144 /* MethodDeclaration */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 142 /* PropertyDeclaration */: + return true; + } + return false; + } + function shouldEmitReturnTypeMetadata(node) { + // This method determines whether to emit the "design:returntype" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 144 /* MethodDeclaration */: + return true; + } + return false; + } + function shouldEmitParamTypesMetadata(node) { + // This method determines whether to emit the "design:paramtypes" metadata based on the node's kind. + // The caller should have already tested whether the node has decorators and whether the emitDecoratorMetadata + // compiler option is set. + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 144 /* MethodDeclaration */: + case 147 /* SetAccessor */: + return true; + } + return false; + } + /** Serializes the type of a declaration to an appropriate JS constructor value. Used by the __metadata decorator for a class member. */ + function emitSerializedTypeOfNode(node) { + // serialization of the type of a declaration uses the following rules: + // + // * The serialized type of a ClassDeclaration is "Function" + // * The serialized type of a ParameterDeclaration is the serialized type of its type annotation. + // * The serialized type of a PropertyDeclaration is the serialized type of its type annotation. + // * The serialized type of an AccessorDeclaration is the serialized type of the return type annotation of its getter or parameter type annotation of its setter. + // * The serialized type of any other FunctionLikeDeclaration is "Function". + // * The serialized type of any other node is "void 0". + // + // For rules on serializing type annotations, see `serializeTypeNode`. + switch (node.kind) { + case 217 /* ClassDeclaration */: + write("Function"); + return; + case 142 /* PropertyDeclaration */: + emitSerializedTypeNode(node.type); + return; + case 139 /* Parameter */: + emitSerializedTypeNode(node.type); + return; + case 146 /* GetAccessor */: + emitSerializedTypeNode(node.type); + return; + case 147 /* SetAccessor */: + emitSerializedTypeNode(ts.getSetAccessorTypeAnnotationNode(node)); + return; + } + if (ts.isFunctionLike(node)) { + write("Function"); + return; + } + write("void 0"); + } + function emitSerializedTypeNode(node) { + if (node) { + switch (node.kind) { + case 103 /* VoidKeyword */: + write("void 0"); + return; + case 161 /* ParenthesizedType */: + emitSerializedTypeNode(node.type); + return; + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + write("Function"); + return; + case 157 /* ArrayType */: + case 158 /* TupleType */: + write("Array"); + return; + case 151 /* TypePredicate */: + case 120 /* BooleanKeyword */: + write("Boolean"); + return; + case 130 /* StringKeyword */: + case 163 /* StringLiteralType */: + write("String"); + return; + case 128 /* NumberKeyword */: + write("Number"); + return; + case 131 /* SymbolKeyword */: + write("Symbol"); + return; + case 152 /* TypeReference */: + emitSerializedTypeReferenceNode(node); + return; + case 155 /* TypeQuery */: + case 156 /* TypeLiteral */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + case 117 /* AnyKeyword */: + case 162 /* ThisType */: + break; + default: + ts.Debug.fail("Cannot serialize unexpected type node."); + break; + } + } + write("Object"); + } + /** Serializes a TypeReferenceNode to an appropriate JS constructor value. Used by the __metadata decorator. */ + function emitSerializedTypeReferenceNode(node) { + var location = node.parent; + while (ts.isDeclaration(location) || ts.isTypeNode(location)) { + location = location.parent; + } + // Clone the type name and parent it to a location outside of the current declaration. + var typeName = ts.cloneEntityName(node.typeName, location); + var result = resolver.getTypeReferenceSerializationKind(typeName); + switch (result) { + case ts.TypeReferenceSerializationKind.Unknown: + var temp = createAndRecordTempVariable(0 /* Auto */); + write("(typeof ("); + emitNodeWithoutSourceMap(temp); + write(" = "); + emitEntityNameAsExpression(typeName, /*useFallback*/ true); + write(") === 'function' && "); + emitNodeWithoutSourceMap(temp); + write(") || Object"); + break; + case ts.TypeReferenceSerializationKind.TypeWithConstructSignatureAndValue: + emitEntityNameAsExpression(typeName, /*useFallback*/ false); + break; + case ts.TypeReferenceSerializationKind.VoidType: + write("void 0"); + break; + case ts.TypeReferenceSerializationKind.BooleanType: + write("Boolean"); + break; + case ts.TypeReferenceSerializationKind.NumberLikeType: + write("Number"); + break; + case ts.TypeReferenceSerializationKind.StringLikeType: + write("String"); + break; + case ts.TypeReferenceSerializationKind.ArrayLikeType: + write("Array"); + break; + case ts.TypeReferenceSerializationKind.ESSymbolType: + if (languageVersion < 2 /* ES6 */) { + write("typeof Symbol === 'function' ? Symbol : Object"); + } + else { + write("Symbol"); + } + break; + case ts.TypeReferenceSerializationKind.TypeWithCallSignature: + write("Function"); + break; + case ts.TypeReferenceSerializationKind.ObjectType: + write("Object"); + break; + } + } + /** Serializes the parameter types of a function or the constructor of a class. Used by the __metadata decorator for a method or set accessor. */ + function emitSerializedParameterTypesOfNode(node) { + // serialization of parameter types uses the following rules: + // + // * If the declaration is a class, the parameters of the first constructor with a body are used. + // * If the declaration is function-like and has a body, the parameters of the function are used. + // + // For the rules on serializing the type of each parameter declaration, see `serializeTypeOfDeclaration`. + if (node) { + var valueDeclaration = void 0; + if (node.kind === 217 /* ClassDeclaration */) { + valueDeclaration = ts.getFirstConstructorWithBody(node); + } + else if (ts.isFunctionLike(node) && ts.nodeIsPresent(node.body)) { + valueDeclaration = node; + } + if (valueDeclaration) { + var parameters = valueDeclaration.parameters; + var parameterCount = parameters.length; + if (parameterCount > 0) { + for (var i = 0; i < parameterCount; i++) { + if (i > 0) { + write(", "); + } + if (parameters[i].dotDotDotToken) { + var parameterType = parameters[i].type; + if (parameterType.kind === 157 /* ArrayType */) { + parameterType = parameterType.elementType; + } + else if (parameterType.kind === 152 /* TypeReference */ && parameterType.typeArguments && parameterType.typeArguments.length === 1) { + parameterType = parameterType.typeArguments[0]; + } + else { + parameterType = undefined; + } + emitSerializedTypeNode(parameterType); + } + else { + emitSerializedTypeOfNode(parameters[i]); + } + } + } + } + } + } + /** Serializes the return type of function. Used by the __metadata decorator for a method. */ + function emitSerializedReturnTypeOfNode(node) { + if (node && ts.isFunctionLike(node) && node.type) { + emitSerializedTypeNode(node.type); + return; + } + write("void 0"); + } + function emitSerializedTypeMetadata(node, writeComma) { + // This method emits the serialized type metadata for a decorator target. + // The caller should have already tested whether the node has decorators. + var argumentsWritten = 0; + if (compilerOptions.emitDecoratorMetadata) { + if (shouldEmitTypeMetadata(node)) { + if (writeComma) { + write(", "); + } + writeLine(); + write("__metadata('design:type', "); + emitSerializedTypeOfNode(node); + write(")"); + argumentsWritten++; + } + if (shouldEmitParamTypesMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:paramtypes', ["); + emitSerializedParameterTypesOfNode(node); + write("])"); + argumentsWritten++; + } + if (shouldEmitReturnTypeMetadata(node)) { + if (writeComma || argumentsWritten) { + write(", "); + } + writeLine(); + write("__metadata('design:returntype', "); + emitSerializedReturnTypeOfNode(node); + write(")"); + argumentsWritten++; + } + } + return argumentsWritten; + } + function emitInterfaceDeclaration(node) { + emitCommentsOnNotEmittedNode(node); + } + function shouldEmitEnumDeclaration(node) { + var isConstEnum = ts.isConst(node); + return !isConstEnum || compilerOptions.preserveConstEnums || compilerOptions.isolatedModules; + } + function emitEnumDeclaration(node) { + // const enums are completely erased during compilation. + if (!shouldEmitEnumDeclaration(node)) { + return; + } + if (!shouldHoistDeclarationInSystemJsModule(node)) { + // do not emit var if variable was already hoisted + var isES6ExportedEnum = isES6ExportedDeclaration(node); + if (!(node.flags & 2 /* Export */) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 220 /* EnumDeclaration */))) { + emitStart(node); + if (isES6ExportedEnum) { + write("export "); + } + write("var "); + emit(node.name); + emitEnd(node); + write(";"); + } + } + writeLine(); + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") {"); + increaseIndent(); + emitLines(node.members); + decreaseIndent(); + writeLine(); + emitToken(16 /* CloseBraceToken */, node.members.end); + write(")("); + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.flags & 2 /* Export */ && !shouldHoistDeclarationInSystemJsModule(node)) { + // do not emit var if variable was already hoisted + writeLine(); + emitStart(node); + write("var "); + emit(node.name); + write(" = "); + emitModuleMemberName(node); + emitEnd(node); + write(";"); + } + if (modulekind !== 5 /* ES6 */ && node.parent === currentSourceFile) { + if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { + // write the call to exporter for enum + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + function emitEnumMember(node) { + var enumParent = node.parent; + emitStart(node); + write(getGeneratedNameForNode(enumParent)); + write("["); + write(getGeneratedNameForNode(enumParent)); + write("["); + emitExpressionForPropertyName(node.name); + write("] = "); + writeEnumMemberDeclarationValue(node); + write("] = "); + emitExpressionForPropertyName(node.name); + emitEnd(node); + write(";"); + } + function writeEnumMemberDeclarationValue(member) { + var value = resolver.getConstantValue(member); + if (value !== undefined) { + write(value.toString()); + return; + } + else if (member.initializer) { + emit(member.initializer); + } + else { + write("undefined"); + } + } + function getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration) { + if (moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { + var recursiveInnerModule = getInnerMostModuleDeclarationFromDottedModule(moduleDeclaration.body); + return recursiveInnerModule || moduleDeclaration.body; + } + } + function shouldEmitModuleDeclaration(node) { + return ts.isInstantiatedModule(node, compilerOptions.preserveConstEnums || compilerOptions.isolatedModules); + } + function isModuleMergedWithES6Class(node) { + return languageVersion === 2 /* ES6 */ && !!(resolver.getNodeCheckFlags(node) & 32768 /* LexicalModuleMergesWithClass */); + } + function isFirstDeclarationOfKind(node, declarations, kind) { + return !ts.forEach(declarations, function (declaration) { return declaration.kind === kind && declaration.pos < node.pos; }); + } + function emitModuleDeclaration(node) { + // Emit only if this module is non-ambient. + var shouldEmit = shouldEmitModuleDeclaration(node); + if (!shouldEmit) { + return emitCommentsOnNotEmittedNode(node); + } + var hoistedInDeclarationScope = shouldHoistDeclarationInSystemJsModule(node); + var emitVarForModule = !hoistedInDeclarationScope && !isModuleMergedWithES6Class(node); + if (emitVarForModule) { + var isES6ExportedNamespace = isES6ExportedDeclaration(node); + if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, 221 /* ModuleDeclaration */)) { + emitStart(node); + if (isES6ExportedNamespace) { + write("export "); + } + write("var "); + emit(node.name); + write(";"); + emitEnd(node); + writeLine(); + } + } + emitStart(node); + write("(function ("); + emitStart(node.name); + write(getGeneratedNameForNode(node)); + emitEnd(node.name); + write(") "); + if (node.body.kind === 222 /* ModuleBlock */) { + var saveConvertedLoopState = convertedLoopState; + var saveTempFlags = tempFlags; + var saveTempVariables = tempVariables; + convertedLoopState = undefined; + tempFlags = 0; + tempVariables = undefined; + emit(node.body); + ts.Debug.assert(convertedLoopState === undefined); + convertedLoopState = saveConvertedLoopState; + tempFlags = saveTempFlags; + tempVariables = saveTempVariables; + } + else { + write("{"); + increaseIndent(); + emitCaptureThisForNodeIfNecessary(node); + writeLine(); + emit(node.body); + decreaseIndent(); + writeLine(); + var moduleBlock = getInnerMostModuleDeclarationFromDottedModule(node).body; + emitToken(16 /* CloseBraceToken */, moduleBlock.statements.end); + } + write(")("); + // write moduleDecl = containingModule.m only if it is not exported es6 module member + if ((node.flags & 2 /* Export */) && !isES6ExportedDeclaration(node)) { + emit(node.name); + write(" = "); + } + emitModuleMemberName(node); + write(" || ("); + emitModuleMemberName(node); + write(" = {}));"); + emitEnd(node); + if (!isES6ExportedDeclaration(node) && node.name.kind === 69 /* Identifier */ && node.parent === currentSourceFile) { + if (modulekind === 4 /* System */ && (node.flags & 2 /* Export */)) { + writeLine(); + write(exportFunctionForFile + "(\""); + emitDeclarationName(node); + write("\", "); + emitDeclarationName(node); + write(");"); + } + emitExportMemberAssignments(node.name); + } + } + /* + * Some bundlers (SystemJS builder) sometimes want to rename dependencies. + * Here we check if alternative name was provided for a given moduleName and return it if possible. + */ + function tryRenameExternalModule(moduleName) { + if (renamedDependencies && ts.hasProperty(renamedDependencies, moduleName.text)) { + return "\"" + renamedDependencies[moduleName.text] + "\""; + } + return undefined; + } + function emitRequire(moduleName) { + if (moduleName.kind === 9 /* StringLiteral */) { + write("require("); + var text = tryRenameExternalModule(moduleName); + if (text) { + write(text); + } + else { + emitStart(moduleName); + emitLiteral(moduleName); + emitEnd(moduleName); + } + emitToken(18 /* CloseParenToken */, moduleName.end); + } + else { + write("require()"); + } + } + function getNamespaceDeclarationNode(node) { + if (node.kind === 224 /* ImportEqualsDeclaration */) { + return node; + } + var importClause = node.importClause; + if (importClause && importClause.namedBindings && importClause.namedBindings.kind === 227 /* NamespaceImport */) { + return importClause.namedBindings; + } + } + function isDefaultImport(node) { + return node.kind === 225 /* ImportDeclaration */ && node.importClause && !!node.importClause.name; + } + function emitExportImportAssignments(node) { + if (ts.isAliasSymbolDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + emitExportMemberAssignments(node.name); + } + ts.forEachChild(node, emitExportImportAssignments); + } + function emitImportDeclaration(node) { + if (modulekind !== 5 /* ES6 */) { + return emitExternalImportDeclaration(node); + } + // ES6 import + if (node.importClause) { + var shouldEmitDefaultBindings = resolver.isReferencedAliasDeclaration(node.importClause); + var shouldEmitNamedBindings = node.importClause.namedBindings && resolver.isReferencedAliasDeclaration(node.importClause.namedBindings, /* checkChildren */ true); + if (shouldEmitDefaultBindings || shouldEmitNamedBindings) { + write("import "); + emitStart(node.importClause); + if (shouldEmitDefaultBindings) { + emit(node.importClause.name); + if (shouldEmitNamedBindings) { + write(", "); + } + } + if (shouldEmitNamedBindings) { + emitLeadingComments(node.importClause.namedBindings); + emitStart(node.importClause.namedBindings); + if (node.importClause.namedBindings.kind === 227 /* NamespaceImport */) { + write("* as "); + emit(node.importClause.namedBindings.name); + } + else { + write("{ "); + emitExportOrImportSpecifierList(node.importClause.namedBindings.elements, resolver.isReferencedAliasDeclaration); + write(" }"); + } + emitEnd(node.importClause.namedBindings); + emitTrailingComments(node.importClause.namedBindings); + } + emitEnd(node.importClause); + write(" from "); + emit(node.moduleSpecifier); + write(";"); + } + } + else { + write("import "); + emit(node.moduleSpecifier); + write(";"); + } + } + function emitExternalImportDeclaration(node) { + if (ts.contains(externalImports, node)) { + var isExportedImport = node.kind === 224 /* ImportEqualsDeclaration */ && (node.flags & 2 /* Export */) !== 0; + var namespaceDeclaration = getNamespaceDeclarationNode(node); + var varOrConst = (languageVersion <= 1 /* ES5 */) ? "var " : "const "; + if (modulekind !== 2 /* AMD */) { + emitLeadingComments(node); + emitStart(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + // import x = require("foo") + // import * as x from "foo" + if (!isExportedImport) { + write(varOrConst); + } + ; + emitModuleMemberName(namespaceDeclaration); + write(" = "); + } + else { + // import "foo" + // import x from "foo" + // import { x, y } from "foo" + // import d, * as x from "foo" + // import d, { x, y } from "foo" + var isNakedImport = 225 /* ImportDeclaration */ && !node.importClause; + if (!isNakedImport) { + write(varOrConst); + write(getGeneratedNameForNode(node)); + write(" = "); + } + } + emitRequire(ts.getExternalModuleName(node)); + if (namespaceDeclaration && isDefaultImport(node)) { + // import d, * as x from "foo" + write(", "); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + else { + if (isExportedImport) { + emitModuleMemberName(namespaceDeclaration); + write(" = "); + emit(namespaceDeclaration.name); + write(";"); + } + else if (namespaceDeclaration && isDefaultImport(node)) { + // import d, * as x from "foo" + write(varOrConst); + emitModuleMemberName(namespaceDeclaration); + write(" = "); + write(getGeneratedNameForNode(node)); + write(";"); + } + emitExportImportAssignments(node); + } + } + } + function emitImportEqualsDeclaration(node) { + if (ts.isExternalModuleImportEqualsDeclaration(node)) { + emitExternalImportDeclaration(node); + return; + } + // preserve old compiler's behavior: emit 'var' for import declaration (even if we do not consider them referenced) when + // - current file is not external module + // - import declaration is top level and target is value imported by entity name + if (resolver.isReferencedAliasDeclaration(node) || + (!isCurrentFileExternalModule && resolver.isTopLevelValueImportEqualsWithEntityName(node))) { + emitLeadingComments(node); + emitStart(node); + // variable declaration for import-equals declaration can be hoisted in system modules + // in this case 'var' should be omitted and emit should contain only initialization + var variableDeclarationIsHoisted = shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ true); + // is it top level export import v = a.b.c in system module? + // if yes - it needs to be rewritten as exporter('v', v = a.b.c) + var isExported = isSourceFileLevelDeclarationInSystemJsModule(node, /*isExported*/ true); + if (!variableDeclarationIsHoisted) { + ts.Debug.assert(!isExported); + if (isES6ExportedDeclaration(node)) { + write("export "); + write("var "); + } + else if (!(node.flags & 2 /* Export */)) { + write("var "); + } + } + if (isExported) { + write(exportFunctionForFile + "(\""); + emitNodeWithoutSourceMap(node.name); + write("\", "); + } + emitModuleMemberName(node); + write(" = "); + emit(node.moduleReference); + if (isExported) { + write(")"); + } + write(";"); + emitEnd(node); + emitExportImportAssignments(node); + emitTrailingComments(node); + } + } + function emitExportDeclaration(node) { + ts.Debug.assert(modulekind !== 4 /* System */); + if (modulekind !== 5 /* ES6 */) { + if (node.moduleSpecifier && (!node.exportClause || resolver.isValueAliasDeclaration(node))) { + emitStart(node); + var generatedName = getGeneratedNameForNode(node); + if (node.exportClause) { + // export { x, y, ... } from "foo" + if (modulekind !== 2 /* AMD */) { + write("var "); + write(generatedName); + write(" = "); + emitRequire(ts.getExternalModuleName(node)); + write(";"); + } + for (var _a = 0, _b = node.exportClause.elements; _a < _b.length; _a++) { + var specifier = _b[_a]; + if (resolver.isValueAliasDeclaration(specifier)) { + writeLine(); + emitStart(specifier); + emitContainingModuleName(specifier); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.name); + write(" = "); + write(generatedName); + write("."); + emitNodeWithCommentsAndWithoutSourcemap(specifier.propertyName || specifier.name); + write(";"); + emitEnd(specifier); + } + } + } + else { + // export * from "foo" + if (hasExportStarsToExportValues && resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + writeLine(); + write("__export("); + if (modulekind !== 2 /* AMD */) { + emitRequire(ts.getExternalModuleName(node)); + } + else { + write(generatedName); + } + write(");"); + } + } + emitEnd(node); + } + } + else { + if (!node.exportClause || resolver.isValueAliasDeclaration(node)) { + write("export "); + if (node.exportClause) { + // export { x, y, ... } + write("{ "); + emitExportOrImportSpecifierList(node.exportClause.elements, resolver.isValueAliasDeclaration); + write(" }"); + } + else { + write("*"); + } + if (node.moduleSpecifier) { + write(" from "); + emit(node.moduleSpecifier); + } + write(";"); + } + } + } + function emitExportOrImportSpecifierList(specifiers, shouldEmit) { + ts.Debug.assert(modulekind === 5 /* ES6 */); + var needsComma = false; + for (var _a = 0, specifiers_1 = specifiers; _a < specifiers_1.length; _a++) { + var specifier = specifiers_1[_a]; + if (shouldEmit(specifier)) { + if (needsComma) { + write(", "); + } + if (specifier.propertyName) { + emit(specifier.propertyName); + write(" as "); + } + emit(specifier.name); + needsComma = true; + } + } + } + function emitExportAssignment(node) { + if (!node.isExportEquals && resolver.isValueAliasDeclaration(node)) { + if (modulekind === 5 /* ES6 */) { + writeLine(); + emitStart(node); + write("export default "); + var expression = node.expression; + emit(expression); + if (expression.kind !== 216 /* FunctionDeclaration */ && + expression.kind !== 217 /* ClassDeclaration */) { + write(";"); + } + emitEnd(node); + } + else { + writeLine(); + emitStart(node); + if (modulekind === 4 /* System */) { + write(exportFunctionForFile + "(\"default\","); + emit(node.expression); + write(")"); + } + else { + emitEs6ExportDefaultCompat(node); + emitContainingModuleName(node); + if (languageVersion === 0 /* ES3 */) { + write("[\"default\"] = "); + } + else { + write(".default = "); + } + emit(node.expression); + } + write(";"); + emitEnd(node); + } + } + } + function collectExternalModuleInfo(sourceFile) { + externalImports = []; + exportSpecifiers = {}; + exportEquals = undefined; + hasExportStarsToExportValues = false; + for (var _a = 0, _b = sourceFile.statements; _a < _b.length; _a++) { + var node = _b[_a]; + switch (node.kind) { + case 225 /* ImportDeclaration */: + if (!node.importClause || + resolver.isReferencedAliasDeclaration(node.importClause, /*checkChildren*/ true)) { + // import "mod" + // import x from "mod" where x is referenced + // import * as x from "mod" where x is referenced + // import { x, y } from "mod" where at least one import is referenced + externalImports.push(node); + } + break; + case 224 /* ImportEqualsDeclaration */: + if (node.moduleReference.kind === 235 /* ExternalModuleReference */ && resolver.isReferencedAliasDeclaration(node)) { + // import x = require("mod") where x is referenced + externalImports.push(node); + } + break; + case 231 /* ExportDeclaration */: + if (node.moduleSpecifier) { + if (!node.exportClause) { + // export * from "mod" + if (resolver.moduleExportsSomeValue(node.moduleSpecifier)) { + externalImports.push(node); + hasExportStarsToExportValues = true; + } + } + else if (resolver.isValueAliasDeclaration(node)) { + // export { x, y } from "mod" where at least one export is a value symbol + externalImports.push(node); + } + } + else { + // export { x, y } + for (var _c = 0, _d = node.exportClause.elements; _c < _d.length; _c++) { + var specifier = _d[_c]; + var name_28 = (specifier.propertyName || specifier.name).text; + (exportSpecifiers[name_28] || (exportSpecifiers[name_28] = [])).push(specifier); + } + } + break; + case 230 /* ExportAssignment */: + if (node.isExportEquals && !exportEquals) { + // export = x + exportEquals = node; + } + break; + } + } + } + function emitExportStarHelper() { + if (hasExportStarsToExportValues) { + writeLine(); + write("function __export(m) {"); + increaseIndent(); + writeLine(); + write("for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];"); + decreaseIndent(); + writeLine(); + write("}"); + } + } + function getLocalNameForExternalImport(node) { + var namespaceDeclaration = getNamespaceDeclarationNode(node); + if (namespaceDeclaration && !isDefaultImport(node)) { + return ts.getTextOfNodeFromSourceText(currentText, namespaceDeclaration.name); + } + if (node.kind === 225 /* ImportDeclaration */ && node.importClause) { + return getGeneratedNameForNode(node); + } + if (node.kind === 231 /* ExportDeclaration */ && node.moduleSpecifier) { + return getGeneratedNameForNode(node); + } + } + function getExternalModuleNameText(importNode, emitRelativePathAsModuleName) { + if (emitRelativePathAsModuleName) { + var name_29 = getExternalModuleNameFromDeclaration(host, resolver, importNode); + if (name_29) { + return "\"" + name_29 + "\""; + } + } + var moduleName = ts.getExternalModuleName(importNode); + if (moduleName.kind === 9 /* StringLiteral */) { + return tryRenameExternalModule(moduleName) || getLiteralText(moduleName); + } + return undefined; + } + function emitVariableDeclarationsForImports() { + if (externalImports.length === 0) { + return; + } + writeLine(); + var started = false; + for (var _a = 0, externalImports_1 = externalImports; _a < externalImports_1.length; _a++) { + var importNode = externalImports_1[_a]; + // do not create variable declaration for exports and imports that lack import clause + var skipNode = importNode.kind === 231 /* ExportDeclaration */ || + (importNode.kind === 225 /* ImportDeclaration */ && !importNode.importClause); + if (skipNode) { + continue; + } + if (!started) { + write("var "); + started = true; + } + else { + write(", "); + } + write(getLocalNameForExternalImport(importNode)); + } + if (started) { + write(";"); + } + } + function emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations) { + // when resolving exports local exported entries/indirect exported entries in the module + // should always win over entries with similar names that were added via star exports + // to support this we store names of local/indirect exported entries in a set. + // this set is used to filter names brought by star expors. + if (!hasExportStarsToExportValues) { + // local names set is needed only in presence of star exports + return undefined; + } + // local names set should only be added if we have anything exported + if (!exportedDeclarations && ts.isEmpty(exportSpecifiers)) { + // no exported declarations (export var ...) or export specifiers (export {x}) + // check if we have any non star export declarations. + var hasExportDeclarationWithExportClause = false; + for (var _a = 0, externalImports_2 = externalImports; _a < externalImports_2.length; _a++) { + var externalImport = externalImports_2[_a]; + if (externalImport.kind === 231 /* ExportDeclaration */ && externalImport.exportClause) { + hasExportDeclarationWithExportClause = true; + break; + } + } + if (!hasExportDeclarationWithExportClause) { + // we still need to emit exportStar helper + return emitExportStarFunction(/*localNames*/ undefined); + } + } + var exportedNamesStorageRef = makeUniqueName("exportedNames"); + writeLine(); + write("var " + exportedNamesStorageRef + " = {"); + increaseIndent(); + var started = false; + if (exportedDeclarations) { + for (var i = 0; i < exportedDeclarations.length; i++) { + // write name of exported declaration, i.e 'export var x...' + writeExportedName(exportedDeclarations[i]); + } + } + if (exportSpecifiers) { + for (var n in exportSpecifiers) { + for (var _b = 0, _c = exportSpecifiers[n]; _b < _c.length; _b++) { + var specifier = _c[_b]; + // write name of export specified, i.e. 'export {x}' + writeExportedName(specifier.name); + } + } + } + for (var _d = 0, externalImports_3 = externalImports; _d < externalImports_3.length; _d++) { + var externalImport = externalImports_3[_d]; + if (externalImport.kind !== 231 /* ExportDeclaration */) { + continue; + } + var exportDecl = externalImport; + if (!exportDecl.exportClause) { + // export * from ... + continue; + } + for (var _e = 0, _f = exportDecl.exportClause.elements; _e < _f.length; _e++) { + var element = _f[_e]; + // write name of indirectly exported entry, i.e. 'export {x} from ...' + writeExportedName(element.name || element.propertyName); + } + } + decreaseIndent(); + writeLine(); + write("};"); + return emitExportStarFunction(exportedNamesStorageRef); + function emitExportStarFunction(localNames) { + var exportStarFunction = makeUniqueName("exportStar"); + writeLine(); + // define an export star helper function + write("function " + exportStarFunction + "(m) {"); + increaseIndent(); + writeLine(); + write("var exports = {};"); + writeLine(); + write("for(var n in m) {"); + increaseIndent(); + writeLine(); + write("if (n !== \"default\""); + if (localNames) { + write("&& !" + localNames + ".hasOwnProperty(n)"); + } + write(") exports[n] = m[n];"); + decreaseIndent(); + writeLine(); + write("}"); + writeLine(); + write(exportFunctionForFile + "(exports);"); + decreaseIndent(); + writeLine(); + write("}"); + return exportStarFunction; + } + function writeExportedName(node) { + // do not record default exports + // they are local to module and never overwritten (explicitly skipped) by star export + if (node.kind !== 69 /* Identifier */ && node.flags & 512 /* Default */) { + return; + } + if (started) { + write(","); + } + else { + started = true; + } + writeLine(); + write("'"); + if (node.kind === 69 /* Identifier */) { + emitNodeWithCommentsAndWithoutSourcemap(node); + } + else { + emitDeclarationName(node); + } + write("': true"); + } + } + function processTopLevelVariableAndFunctionDeclarations(node) { + // per ES6 spec: + // 15.2.1.16.4 ModuleDeclarationInstantiation() Concrete Method + // - var declarations are initialized to undefined - 14.a.ii + // - function/generator declarations are instantiated - 16.a.iv + // this means that after module is instantiated but before its evaluation + // exported functions are already accessible at import sites + // in theory we should hoist only exported functions and its dependencies + // in practice to simplify things we'll hoist all source level functions and variable declaration + // including variables declarations for module and class declarations + var hoistedVars; + var hoistedFunctionDeclarations; + var exportedDeclarations; + visit(node); + if (hoistedVars) { + writeLine(); + write("var "); + var seen = {}; + for (var i = 0; i < hoistedVars.length; i++) { + var local = hoistedVars[i]; + var name_30 = local.kind === 69 /* Identifier */ + ? local + : local.name; + if (name_30) { + // do not emit duplicate entries (in case of declaration merging) in the list of hoisted variables + var text = ts.unescapeIdentifier(name_30.text); + if (ts.hasProperty(seen, text)) { + continue; + } + else { + seen[text] = text; + } + } + if (i !== 0) { + write(", "); + } + if (local.kind === 217 /* ClassDeclaration */ || local.kind === 221 /* ModuleDeclaration */ || local.kind === 220 /* EnumDeclaration */) { + emitDeclarationName(local); + } + else { + emit(local); + } + var flags = ts.getCombinedNodeFlags(local.kind === 69 /* Identifier */ ? local.parent : local); + if (flags & 2 /* Export */) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(local); + } + } + write(";"); + } + if (hoistedFunctionDeclarations) { + for (var _a = 0, hoistedFunctionDeclarations_1 = hoistedFunctionDeclarations; _a < hoistedFunctionDeclarations_1.length; _a++) { + var f = hoistedFunctionDeclarations_1[_a]; + writeLine(); + emit(f); + if (f.flags & 2 /* Export */) { + if (!exportedDeclarations) { + exportedDeclarations = []; + } + exportedDeclarations.push(f); + } + } + } + return exportedDeclarations; + function visit(node) { + if (node.flags & 4 /* Ambient */) { + return; + } + if (node.kind === 216 /* FunctionDeclaration */) { + if (!hoistedFunctionDeclarations) { + hoistedFunctionDeclarations = []; + } + hoistedFunctionDeclarations.push(node); + return; + } + if (node.kind === 217 /* ClassDeclaration */) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + return; + } + if (node.kind === 220 /* EnumDeclaration */) { + if (shouldEmitEnumDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 221 /* ModuleDeclaration */) { + if (shouldEmitModuleDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node); + } + return; + } + if (node.kind === 214 /* VariableDeclaration */ || node.kind === 166 /* BindingElement */) { + if (shouldHoistVariable(node, /*checkIfSourceFileLevelDecl*/ false)) { + var name_31 = node.name; + if (name_31.kind === 69 /* Identifier */) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(name_31); + } + else { + ts.forEachChild(name_31, visit); + } + } + return; + } + if (ts.isInternalModuleImportEqualsDeclaration(node) && resolver.isValueAliasDeclaration(node)) { + if (!hoistedVars) { + hoistedVars = []; + } + hoistedVars.push(node.name); + return; + } + if (ts.isBindingPattern(node)) { + ts.forEach(node.elements, visit); + return; + } + if (!ts.isDeclaration(node)) { + ts.forEachChild(node, visit); + } + } + } + function shouldHoistVariable(node, checkIfSourceFileLevelDecl) { + if (checkIfSourceFileLevelDecl && !shouldHoistDeclarationInSystemJsModule(node)) { + return false; + } + // hoist variable if + // - it is not block scoped + // - it is top level block scoped + // if block scoped variables are nested in some another block then + // no other functions can use them except ones that are defined at least in the same block + return (ts.getCombinedNodeFlags(node) & 24576 /* BlockScoped */) === 0 || + ts.getEnclosingBlockScopeContainer(node).kind === 251 /* SourceFile */; + } + function isCurrentFileSystemExternalModule() { + return modulekind === 4 /* System */ && isCurrentFileExternalModule; + } + function emitSystemModuleBody(node, dependencyGroups, startIndex) { + // shape of the body in system modules: + // function (exports) { + // + // + // + // return { + // setters: [ + // + // ], + // execute: function() { + // + // } + // } + // + // } + // I.e: + // import {x} from 'file1' + // var y = 1; + // export function foo() { return y + x(); } + // console.log(y); + // will be transformed to + // function(exports) { + // var file1; // local alias + // var y; + // function foo() { return y + file1.x(); } + // exports("foo", foo); + // return { + // setters: [ + // function(v) { file1 = v } + // ], + // execute(): function() { + // y = 1; + // console.log(y); + // } + // }; + // } + emitVariableDeclarationsForImports(); + writeLine(); + var exportedDeclarations = processTopLevelVariableAndFunctionDeclarations(node); + var exportStarFunction = emitLocalStorageForExportedNamesIfNecessary(exportedDeclarations); + writeLine(); + write("return {"); + increaseIndent(); + writeLine(); + emitSetters(exportStarFunction, dependencyGroups); + writeLine(); + emitExecute(node, startIndex); + decreaseIndent(); + writeLine(); + write("}"); // return + emitTempDeclarations(/*newLine*/ true); + } + function emitSetters(exportStarFunction, dependencyGroups) { + write("setters:["); + for (var i = 0; i < dependencyGroups.length; i++) { + if (i !== 0) { + write(","); + } + writeLine(); + increaseIndent(); + var group = dependencyGroups[i]; + // derive a unique name for parameter from the first named entry in the group + var parameterName = makeUniqueName(ts.forEach(group, getLocalNameForExternalImport) || ""); + write("function (" + parameterName + ") {"); + increaseIndent(); + for (var _a = 0, group_1 = group; _a < group_1.length; _a++) { + var entry = group_1[_a]; + var importVariableName = getLocalNameForExternalImport(entry) || ""; + switch (entry.kind) { + case 225 /* ImportDeclaration */: + if (!entry.importClause) { + // 'import "..."' case + // module is imported only for side-effects, no emit required + break; + } + // fall-through + case 224 /* ImportEqualsDeclaration */: + ts.Debug.assert(importVariableName !== ""); + writeLine(); + // save import into the local + write(importVariableName + " = " + parameterName + ";"); + writeLine(); + break; + case 231 /* ExportDeclaration */: + ts.Debug.assert(importVariableName !== ""); + if (entry.exportClause) { + // export {a, b as c} from 'foo' + // emit as: + // exports_({ + // "a": _["a"], + // "c": _["b"] + // }); + writeLine(); + write(exportFunctionForFile + "({"); + writeLine(); + increaseIndent(); + for (var i_1 = 0, len = entry.exportClause.elements.length; i_1 < len; i_1++) { + if (i_1 !== 0) { + write(","); + writeLine(); + } + var e = entry.exportClause.elements[i_1]; + write("\""); + emitNodeWithCommentsAndWithoutSourcemap(e.name); + write("\": " + parameterName + "[\""); + emitNodeWithCommentsAndWithoutSourcemap(e.propertyName || e.name); + write("\"]"); + } + decreaseIndent(); + writeLine(); + write("});"); + } + else { + // collectExternalModuleInfo prefilters star exports to keep only ones that export values + // this means that check 'resolver.moduleExportsSomeValue' is redundant and can be omitted here + writeLine(); + // export * from 'foo' + // emit as: + // exportStar(_foo); + write(exportStarFunction + "(" + parameterName + ");"); + } + writeLine(); + break; + } + } + decreaseIndent(); + write("}"); + decreaseIndent(); + } + write("],"); + } + function emitExecute(node, startIndex) { + write("execute: function() {"); + increaseIndent(); + writeLine(); + for (var i = startIndex; i < node.statements.length; i++) { + var statement = node.statements[i]; + switch (statement.kind) { + // - function declarations are not emitted because they were already hoisted + // - import declarations are not emitted since they are already handled in setters + // - export declarations with module specifiers are not emitted since they were already written in setters + // - export declarations without module specifiers are emitted preserving the order + case 216 /* FunctionDeclaration */: + case 225 /* ImportDeclaration */: + continue; + case 231 /* ExportDeclaration */: + if (!statement.moduleSpecifier) { + for (var _a = 0, _b = statement.exportClause.elements; _a < _b.length; _a++) { + var element = _b[_a]; + // write call to exporter function for every export specifier in exports list + emitExportSpecifierInSystemModule(element); + } + } + continue; + case 224 /* ImportEqualsDeclaration */: + if (!ts.isInternalModuleImportEqualsDeclaration(statement)) { + // - import equals declarations that import external modules are not emitted + continue; + } + // fall-though for import declarations that import internal modules + default: + writeLine(); + emit(statement); + } + } + decreaseIndent(); + writeLine(); + write("}"); // execute + } + function writeModuleName(node, emitRelativePathAsModuleName) { + var moduleName = node.moduleName; + if (moduleName || (emitRelativePathAsModuleName && (moduleName = getResolvedExternalModuleName(host, node)))) { + write("\"" + moduleName + "\", "); + } + } + function emitSystemModule(node, emitRelativePathAsModuleName) { + collectExternalModuleInfo(node); + // System modules has the following shape + // System.register(['dep-1', ... 'dep-n'], function(exports) {/* module body function */}) + // 'exports' here is a function 'exports(name: string, value: T): T' that is used to publish exported values. + // 'exports' returns its 'value' argument so in most cases expressions + // that mutate exported values can be rewritten as: + // expr -> exports('name', expr). + // The only exception in this rule is postfix unary operators, + // see comment to 'emitPostfixUnaryExpression' for more details + ts.Debug.assert(!exportFunctionForFile); + // make sure that name of 'exports' function does not conflict with existing identifiers + exportFunctionForFile = makeUniqueName("exports"); + contextObjectForFile = makeUniqueName("context"); + writeLine(); + write("System.register("); + writeModuleName(node, emitRelativePathAsModuleName); + write("["); + var groupIndices = {}; + var dependencyGroups = []; + for (var i = 0; i < externalImports.length; i++) { + var text = getExternalModuleNameText(externalImports[i], emitRelativePathAsModuleName); + if (text === undefined) { + continue; + } + // text should be quoted string + // for deduplication purposes in key remove leading and trailing quotes so 'a' and "a" will be considered the same + var key = text.substr(1, text.length - 2); + if (ts.hasProperty(groupIndices, key)) { + // deduplicate/group entries in dependency list by the dependency name + var groupIndex = groupIndices[key]; + dependencyGroups[groupIndex].push(externalImports[i]); + continue; + } + else { + groupIndices[key] = dependencyGroups.length; + dependencyGroups.push([externalImports[i]]); + } + if (i !== 0) { + write(", "); + } + write(text); + } + write("], function(" + exportFunctionForFile + ", " + contextObjectForFile + ") {"); + writeLine(); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + writeLine(); + write("var __moduleName = " + contextObjectForFile + " && " + contextObjectForFile + ".id;"); + writeLine(); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitSystemModuleBody(node, dependencyGroups, startIndex); + decreaseIndent(); + writeLine(); + write("});"); + } + function getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + // names of modules with corresponding parameter in the factory function + var aliasedModuleNames = []; + // names of modules with no corresponding parameters in factory function + var unaliasedModuleNames = []; + var importAliasNames = []; // names of the parameters in the factory function; these + // parameters need to match the indexes of the corresponding + // module names in aliasedModuleNames. + // Fill in amd-dependency tags + for (var _a = 0, _b = node.amdDependencies; _a < _b.length; _a++) { + var amdDependency = _b[_a]; + if (amdDependency.name) { + aliasedModuleNames.push("\"" + amdDependency.path + "\""); + importAliasNames.push(amdDependency.name); + } + else { + unaliasedModuleNames.push("\"" + amdDependency.path + "\""); + } + } + for (var _c = 0, externalImports_4 = externalImports; _c < externalImports_4.length; _c++) { + var importNode = externalImports_4[_c]; + // Find the name of the external module + var externalModuleName = getExternalModuleNameText(importNode, emitRelativePathAsModuleName); + // Find the name of the module alias, if there is one + var importAliasName = getLocalNameForExternalImport(importNode); + if (includeNonAmdDependencies && importAliasName) { + aliasedModuleNames.push(externalModuleName); + importAliasNames.push(importAliasName); + } + else { + unaliasedModuleNames.push(externalModuleName); + } + } + return { aliasedModuleNames: aliasedModuleNames, unaliasedModuleNames: unaliasedModuleNames, importAliasNames: importAliasNames }; + } + function emitAMDDependencies(node, includeNonAmdDependencies, emitRelativePathAsModuleName) { + // An AMD define function has the following shape: + // define(id?, dependencies?, factory); + // + // This has the shape of + // define(name, ["module1", "module2"], function (module1Alias) { + // The location of the alias in the parameter list in the factory function needs to + // match the position of the module name in the dependency list. + // + // To ensure this is true in cases of modules with no aliases, e.g.: + // `import "module"` or `` + // we need to add modules without alias names to the end of the dependencies list + var dependencyNames = getAMDDependencyNames(node, includeNonAmdDependencies, emitRelativePathAsModuleName); + emitAMDDependencyList(dependencyNames); + write(", "); + emitAMDFactoryHeader(dependencyNames); + } + function emitAMDDependencyList(_a) { + var aliasedModuleNames = _a.aliasedModuleNames, unaliasedModuleNames = _a.unaliasedModuleNames; + write("[\"require\", \"exports\""); + if (aliasedModuleNames.length) { + write(", "); + write(aliasedModuleNames.join(", ")); + } + if (unaliasedModuleNames.length) { + write(", "); + write(unaliasedModuleNames.join(", ")); + } + write("]"); + } + function emitAMDFactoryHeader(_a) { + var importAliasNames = _a.importAliasNames; + write("function (require, exports"); + if (importAliasNames.length) { + write(", "); + write(importAliasNames.join(", ")); + } + write(") {"); + } + function emitAMDModule(node, emitRelativePathAsModuleName) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + writeLine(); + write("define("); + writeModuleName(node, emitRelativePathAsModuleName); + emitAMDDependencies(node, /*includeNonAmdDependencies*/ true, emitRelativePathAsModuleName); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitCommonJSModule(node) { + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitEmitHelpers(node); + collectExternalModuleInfo(node); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ false); + } + function emitUMDModule(node) { + emitEmitHelpers(node); + collectExternalModuleInfo(node); + var dependencyNames = getAMDDependencyNames(node, /*includeNonAmdDependencies*/ false); + // Module is detected first to support Browserify users that load into a browser with an AMD loader + writeLines("(function (factory) {\n if (typeof module === 'object' && typeof module.exports === 'object') {\n var v = factory(require, exports); if (v !== undefined) module.exports = v;\n }\n else if (typeof define === 'function' && define.amd) {\n define("); + emitAMDDependencyList(dependencyNames); + write(", factory);"); + writeLines(" }\n})("); + emitAMDFactoryHeader(dependencyNames); + increaseIndent(); + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ true, /*ensureUseStrict*/ !compilerOptions.noImplicitUseStrict); + emitExportStarHelper(); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + emitExportEquals(/*emitAsReturn*/ true); + decreaseIndent(); + writeLine(); + write("});"); + } + function emitES6Module(node) { + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + // Emit exportDefault if it exists will happen as part + // or normal statement emit. + } + function emitExportEquals(emitAsReturn) { + if (exportEquals && resolver.isValueAliasDeclaration(exportEquals)) { + writeLine(); + emitStart(exportEquals); + write(emitAsReturn ? "return " : "module.exports = "); + emit(exportEquals.expression); + write(";"); + emitEnd(exportEquals); + } + } + function emitJsxElement(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + jsxEmitReact(node); + break; + case 1 /* Preserve */: + // Fall back to preserve if None was specified (we'll error earlier) + default: + jsxEmitPreserve(node); + break; + } + } + function trimReactWhitespaceAndApplyEntities(node) { + var result = undefined; + var text = ts.getTextOfNode(node, /*includeTrivia*/ true); + var firstNonWhitespace = 0; + var lastNonWhitespace = -1; + // JSX trims whitespace at the end and beginning of lines, except that the + // start/end of a tag is considered a start/end of a line only if that line is + // on the same line as the closing tag. See examples in tests/cases/conformance/jsx/tsxReactEmitWhitespace.tsx + for (var i = 0; i < text.length; i++) { + var c = text.charCodeAt(i); + if (ts.isLineBreak(c)) { + if (firstNonWhitespace !== -1 && (lastNonWhitespace - firstNonWhitespace + 1 > 0)) { + var part = text.substr(firstNonWhitespace, lastNonWhitespace - firstNonWhitespace + 1); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + firstNonWhitespace = -1; + } + else if (!ts.isWhiteSpace(c)) { + lastNonWhitespace = i; + if (firstNonWhitespace === -1) { + firstNonWhitespace = i; + } + } + } + if (firstNonWhitespace !== -1) { + var part = text.substr(firstNonWhitespace); + result = (result ? result + "\" + ' ' + \"" : "") + ts.escapeString(part); + } + if (result) { + // Replace entities like   + result = result.replace(/&(\w+);/g, function (s, m) { + if (entities[m] !== undefined) { + var ch = String.fromCharCode(entities[m]); + // " needs to be escaped + return ch === "\"" ? "\\\"" : ch; + } + else { + return s; + } + }); + } + return result; + } + function getTextToEmit(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + var text = trimReactWhitespaceAndApplyEntities(node); + if (text === undefined || text.length === 0) { + return undefined; + } + else { + return text; + } + case 1 /* Preserve */: + default: + return ts.getTextOfNode(node, /*includeTrivia*/ true); + } + } + function emitJsxText(node) { + switch (compilerOptions.jsx) { + case 2 /* React */: + write("\""); + write(trimReactWhitespaceAndApplyEntities(node)); + write("\""); + break; + case 1 /* Preserve */: + default: + writer.writeLiteral(ts.getTextOfNode(node, /*includeTrivia*/ true)); + break; + } + } + function emitJsxExpression(node) { + if (node.expression) { + switch (compilerOptions.jsx) { + case 1 /* Preserve */: + default: + write("{"); + emit(node.expression); + write("}"); + break; + case 2 /* React */: + emit(node.expression); + break; + } + } + } + function isUseStrictPrologue(node) { + return !!node.expression.text.match(/use strict/); + } + function ensureUseStrictPrologue(startWithNewLine, writeUseStrict) { + if (writeUseStrict) { + if (startWithNewLine) { + writeLine(); + } + write("\"use strict\";"); + } + } + function emitDirectivePrologues(statements, startWithNewLine, ensureUseStrict) { + var foundUseStrict = false; + for (var i = 0; i < statements.length; i++) { + if (ts.isPrologueDirective(statements[i])) { + if (isUseStrictPrologue(statements[i])) { + foundUseStrict = true; + } + if (startWithNewLine || i > 0) { + writeLine(); + } + emit(statements[i]); + } + else { + ensureUseStrictPrologue(startWithNewLine || i > 0, !foundUseStrict && ensureUseStrict); + // return index of the first non prologue directive + return i; + } + } + ensureUseStrictPrologue(startWithNewLine, !foundUseStrict && ensureUseStrict); + return statements.length; + } + function writeLines(text) { + var lines = text.split(/\r\n|\r|\n/g); + for (var i = 0; i < lines.length; i++) { + var line = lines[i]; + if (line.length) { + writeLine(); + write(line); + } + } + } + function emitEmitHelpers(node) { + // Only emit helpers if the user did not say otherwise. + if (!compilerOptions.noEmitHelpers) { + // Only Emit __extends function when target ES5. + // For target ES6 and above, we can emit classDeclaration as is. + if ((languageVersion < 2 /* ES6 */) && (!extendsEmitted && node.flags & 4194304 /* HasClassExtends */)) { + writeLines(extendsHelper); + extendsEmitted = true; + } + if (!decorateEmitted && node.flags & 8388608 /* HasDecorators */) { + writeLines(decorateHelper); + if (compilerOptions.emitDecoratorMetadata) { + writeLines(metadataHelper); + } + decorateEmitted = true; + } + if (!paramEmitted && node.flags & 16777216 /* HasParamDecorators */) { + writeLines(paramHelper); + paramEmitted = true; + } + if (!awaiterEmitted && node.flags & 33554432 /* HasAsyncFunctions */) { + writeLines(awaiterHelper); + awaiterEmitted = true; + } + } + } + function emitSourceFileNode(node) { + // Start new file on new line + writeLine(); + emitShebang(); + emitDetachedCommentsAndUpdateCommentsInfo(node); + if (ts.isExternalModule(node) || compilerOptions.isolatedModules) { + if (isOwnFileEmit || (!ts.isExternalModule(node) && compilerOptions.isolatedModules)) { + var emitModule = moduleEmitDelegates[modulekind] || moduleEmitDelegates[1 /* CommonJS */]; + emitModule(node); + } + else { + bundleEmitDelegates[modulekind](node, /*emitRelativePathAsModuleName*/ true); + } + } + else { + // emit prologue directives prior to __extends + var startIndex = emitDirectivePrologues(node.statements, /*startWithNewLine*/ false); + externalImports = undefined; + exportSpecifiers = undefined; + exportEquals = undefined; + hasExportStarsToExportValues = false; + emitEmitHelpers(node); + emitCaptureThisForNodeIfNecessary(node); + emitLinesStartingAt(node.statements, startIndex); + emitTempDeclarations(/*newLine*/ true); + } + emitLeadingComments(node.endOfFileToken); + } + function emit(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithSourceMap); + } + function emitNodeWithCommentsAndWithoutSourcemap(node) { + emitNodeConsideringCommentsOption(node, emitNodeWithoutSourceMap); + } + function emitNodeConsideringCommentsOption(node, emitNodeConsideringSourcemap) { + if (node) { + if (node.flags & 4 /* Ambient */) { + return emitCommentsOnNotEmittedNode(node); + } + if (isSpecializedCommentHandling(node)) { + // This is the node that will handle its own comments and sourcemap + return emitNodeWithoutSourceMap(node); + } + var emitComments_1 = shouldEmitLeadingAndTrailingComments(node); + if (emitComments_1) { + emitLeadingComments(node); + } + emitNodeConsideringSourcemap(node); + if (emitComments_1) { + emitTrailingComments(node); + } + } + } + function emitNodeWithSourceMap(node) { + if (node) { + emitStart(node); + emitNodeWithoutSourceMap(node); + emitEnd(node); + } + } + function emitNodeWithoutSourceMap(node) { + if (node) { + emitJavaScriptWorker(node); + } + } + function changeSourceMapEmit(writer) { + sourceMap = writer; + emitStart = writer.emitStart; + emitEnd = writer.emitEnd; + emitPos = writer.emitPos; + setSourceFile = writer.setSourceFile; + } + function withTemporaryNoSourceMap(callback) { + var prevSourceMap = sourceMap; + setSourceMapWriterEmit(ts.getNullSourceMapWriter()); + callback(); + setSourceMapWriterEmit(prevSourceMap); + } + function isSpecializedCommentHandling(node) { + switch (node.kind) { + // All of these entities are emitted in a specialized fashion. As such, we allow + // the specialized methods for each to handle the comments on the nodes. + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 230 /* ExportAssignment */: + return true; + } + } + function shouldEmitLeadingAndTrailingComments(node) { + switch (node.kind) { + case 196 /* VariableStatement */: + return shouldEmitLeadingAndTrailingCommentsForVariableStatement(node); + case 221 /* ModuleDeclaration */: + // Only emit the leading/trailing comments for a module if we're actually + // emitting the module as well. + return shouldEmitModuleDeclaration(node); + case 220 /* EnumDeclaration */: + // Only emit the leading/trailing comments for an enum if we're actually + // emitting the module as well. + return shouldEmitEnumDeclaration(node); + } + // If the node is emitted in specialized fashion, dont emit comments as this node will handle + // emitting comments when emitting itself + ts.Debug.assert(!isSpecializedCommentHandling(node)); + // If this is the expression body of an arrow function that we're down-leveling, + // then we don't want to emit comments when we emit the body. It will have already + // been taken care of when we emitted the 'return' statement for the function + // expression body. + if (node.kind !== 195 /* Block */ && + node.parent && + node.parent.kind === 177 /* ArrowFunction */ && + node.parent.body === node && + compilerOptions.target <= 1 /* ES5 */) { + return false; + } + // Emit comments for everything else. + return true; + } + function emitJavaScriptWorker(node) { + // Check if the node can be emitted regardless of the ScriptTarget + switch (node.kind) { + case 69 /* Identifier */: + return emitIdentifier(node); + case 139 /* Parameter */: + return emitParameter(node); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return emitMethod(node); + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return emitAccessor(node); + case 97 /* ThisKeyword */: + return emitThis(node); + case 95 /* SuperKeyword */: + return emitSuper(node); + case 93 /* NullKeyword */: + return write("null"); + case 99 /* TrueKeyword */: + return write("true"); + case 84 /* FalseKeyword */: + return write("false"); + case 8 /* NumericLiteral */: + case 9 /* StringLiteral */: + case 10 /* RegularExpressionLiteral */: + case 11 /* NoSubstitutionTemplateLiteral */: + case 12 /* TemplateHead */: + case 13 /* TemplateMiddle */: + case 14 /* TemplateTail */: + return emitLiteral(node); + case 186 /* TemplateExpression */: + return emitTemplateExpression(node); + case 193 /* TemplateSpan */: + return emitTemplateSpan(node); + case 236 /* JsxElement */: + case 237 /* JsxSelfClosingElement */: + return emitJsxElement(node); + case 239 /* JsxText */: + return emitJsxText(node); + case 243 /* JsxExpression */: + return emitJsxExpression(node); + case 136 /* QualifiedName */: + return emitQualifiedName(node); + case 164 /* ObjectBindingPattern */: + return emitObjectBindingPattern(node); + case 165 /* ArrayBindingPattern */: + return emitArrayBindingPattern(node); + case 166 /* BindingElement */: + return emitBindingElement(node); + case 167 /* ArrayLiteralExpression */: + return emitArrayLiteral(node); + case 168 /* ObjectLiteralExpression */: + return emitObjectLiteral(node); + case 248 /* PropertyAssignment */: + return emitPropertyAssignment(node); + case 249 /* ShorthandPropertyAssignment */: + return emitShorthandPropertyAssignment(node); + case 137 /* ComputedPropertyName */: + return emitComputedPropertyName(node); + case 169 /* PropertyAccessExpression */: + return emitPropertyAccess(node); + case 170 /* ElementAccessExpression */: + return emitIndexedAccess(node); + case 171 /* CallExpression */: + return emitCallExpression(node); + case 172 /* NewExpression */: + return emitNewExpression(node); + case 173 /* TaggedTemplateExpression */: + return emitTaggedTemplateExpression(node); + case 174 /* TypeAssertionExpression */: + return emit(node.expression); + case 192 /* AsExpression */: + return emit(node.expression); + case 175 /* ParenthesizedExpression */: + return emitParenExpression(node); + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return emitFunctionDeclaration(node); + case 178 /* DeleteExpression */: + return emitDeleteExpression(node); + case 179 /* TypeOfExpression */: + return emitTypeOfExpression(node); + case 180 /* VoidExpression */: + return emitVoidExpression(node); + case 181 /* AwaitExpression */: + return emitAwaitExpression(node); + case 182 /* PrefixUnaryExpression */: + return emitPrefixUnaryExpression(node); + case 183 /* PostfixUnaryExpression */: + return emitPostfixUnaryExpression(node); + case 184 /* BinaryExpression */: + return emitBinaryExpression(node); + case 185 /* ConditionalExpression */: + return emitConditionalExpression(node); + case 188 /* SpreadElementExpression */: + return emitSpreadElementExpression(node); + case 187 /* YieldExpression */: + return emitYieldExpression(node); + case 190 /* OmittedExpression */: + return; + case 195 /* Block */: + case 222 /* ModuleBlock */: + return emitBlock(node); + case 196 /* VariableStatement */: + return emitVariableStatement(node); + case 197 /* EmptyStatement */: + return write(";"); + case 198 /* ExpressionStatement */: + return emitExpressionStatement(node); + case 199 /* IfStatement */: + return emitIfStatement(node); + case 200 /* DoStatement */: + return emitDoStatement(node); + case 201 /* WhileStatement */: + return emitWhileStatement(node); + case 202 /* ForStatement */: + return emitForStatement(node); + case 204 /* ForOfStatement */: + case 203 /* ForInStatement */: + return emitForInOrForOfStatement(node); + case 205 /* ContinueStatement */: + case 206 /* BreakStatement */: + return emitBreakOrContinueStatement(node); + case 207 /* ReturnStatement */: + return emitReturnStatement(node); + case 208 /* WithStatement */: + return emitWithStatement(node); + case 209 /* SwitchStatement */: + return emitSwitchStatement(node); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + return emitCaseOrDefaultClause(node); + case 210 /* LabeledStatement */: + return emitLabeledStatement(node); + case 211 /* ThrowStatement */: + return emitThrowStatement(node); + case 212 /* TryStatement */: + return emitTryStatement(node); + case 247 /* CatchClause */: + return emitCatchClause(node); + case 213 /* DebuggerStatement */: + return emitDebuggerStatement(node); + case 214 /* VariableDeclaration */: + return emitVariableDeclaration(node); + case 189 /* ClassExpression */: + return emitClassExpression(node); + case 217 /* ClassDeclaration */: + return emitClassDeclaration(node); + case 218 /* InterfaceDeclaration */: + return emitInterfaceDeclaration(node); + case 220 /* EnumDeclaration */: + return emitEnumDeclaration(node); + case 250 /* EnumMember */: + return emitEnumMember(node); + case 221 /* ModuleDeclaration */: + return emitModuleDeclaration(node); + case 225 /* ImportDeclaration */: + return emitImportDeclaration(node); + case 224 /* ImportEqualsDeclaration */: + return emitImportEqualsDeclaration(node); + case 231 /* ExportDeclaration */: + return emitExportDeclaration(node); + case 230 /* ExportAssignment */: + return emitExportAssignment(node); + case 251 /* SourceFile */: + return emitSourceFileNode(node); + } + } + function hasDetachedComments(pos) { + return detachedCommentsInfo !== undefined && ts.lastOrUndefined(detachedCommentsInfo).nodePos === pos; + } + function getLeadingCommentsWithoutDetachedComments() { + // get the leading comments from detachedPos + var leadingComments = ts.getLeadingCommentRanges(currentText, ts.lastOrUndefined(detachedCommentsInfo).detachedCommentEndPos); + if (detachedCommentsInfo.length - 1) { + detachedCommentsInfo.pop(); + } + else { + detachedCommentsInfo = undefined; + } + return leadingComments; + } + /** + * Determine if the given comment is a triple-slash + * + * @return true if the comment is a triple-slash comment else false + **/ + function isTripleSlashComment(comment) { + // Verify this is /// comment, but do the regexp match only when we first can find /// in the comment text + // so that we don't end up computing comment string and doing match for all // comments + if (currentText.charCodeAt(comment.pos + 1) === 47 /* slash */ && + comment.pos + 2 < comment.end && + currentText.charCodeAt(comment.pos + 2) === 47 /* slash */) { + var textSubStr = currentText.substring(comment.pos, comment.end); + return textSubStr.match(ts.fullTripleSlashReferencePathRegEx) || + textSubStr.match(ts.fullTripleSlashAMDReferencePathRegEx) ? + true : false; + } + return false; + } + function getLeadingCommentsToEmit(node) { + // Emit the leading comments only if the parent's pos doesn't match because parent should take care of emitting these comments + if (node.parent) { + if (node.parent.kind === 251 /* SourceFile */ || node.pos !== node.parent.pos) { + if (hasDetachedComments(node.pos)) { + // get comments without detached comments + return getLeadingCommentsWithoutDetachedComments(); + } + else { + // get the leading comments from the node + return ts.getLeadingCommentRangesOfNodeFromText(node, currentText); + } + } + } + } + function getTrailingCommentsToEmit(node) { + // Emit the trailing comments only if the parent's pos doesn't match because parent should take care of emitting these comments + if (node.parent) { + if (node.parent.kind === 251 /* SourceFile */ || node.end !== node.parent.end) { + return ts.getTrailingCommentRanges(currentText, node.end); + } + } + } + /** + * Emit comments associated with node that will not be emitted into JS file + */ + function emitCommentsOnNotEmittedNode(node) { + emitLeadingCommentsWorker(node, /*isEmittedNode*/ false); + } + function emitLeadingComments(node) { + return emitLeadingCommentsWorker(node, /*isEmittedNode*/ true); + } + function emitLeadingCommentsWorker(node, isEmittedNode) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (isEmittedNode) { + leadingComments = getLeadingCommentsToEmit(node); + } + else { + // If the node will not be emitted in JS, remove all the comments(normal, pinned and ///) associated with the node, + // unless it is a triple slash comment at the top of the file. + // For Example: + // /// + // declare var x; + // /// + // interface F {} + // The first /// will NOT be removed while the second one will be removed eventhough both node will not be emitted + if (node.pos === 0) { + leadingComments = ts.filter(getLeadingCommentsToEmit(node), isTripleSlashComment); + } + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, node, leadingComments); + // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitTrailingComments(node) { + if (compilerOptions.removeComments) { + return; + } + // Emit the trailing comments only if the parent's end doesn't match + var trailingComments = getTrailingCommentsToEmit(node); + // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ + ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ false, newLine, writeComment); + } + /** + * Emit trailing comments at the position. The term trailing comment is used here to describe following comment: + * x, /comment1/ y + * ^ => pos; the function will emit "comment1" in the emitJS + */ + function emitTrailingCommentsOfPosition(pos) { + if (compilerOptions.removeComments) { + return; + } + var trailingComments = ts.getTrailingCommentRanges(currentText, pos); + // trailing comments are emitted at space/*trailing comment1 */space/*trailing comment*/ + ts.emitComments(currentText, currentLineMap, writer, trailingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitLeadingCommentsOfPositionWorker(pos) { + if (compilerOptions.removeComments) { + return; + } + var leadingComments; + if (hasDetachedComments(pos)) { + // get comments without detached comments + leadingComments = getLeadingCommentsWithoutDetachedComments(); + } + else { + // get the leading comments from the node + leadingComments = ts.getLeadingCommentRanges(currentText, pos); + } + ts.emitNewLineBeforeLeadingComments(currentLineMap, writer, { pos: pos, end: pos }, leadingComments); + // Leading comments are emitted at /*leading comment1 */space/*leading comment*/space + ts.emitComments(currentText, currentLineMap, writer, leadingComments, /*trailingSeparator*/ true, newLine, writeComment); + } + function emitDetachedCommentsAndUpdateCommentsInfo(node) { + var currentDetachedCommentInfo = ts.emitDetachedComments(currentText, currentLineMap, writer, writeComment, node, newLine, compilerOptions.removeComments); + if (currentDetachedCommentInfo) { + if (detachedCommentsInfo) { + detachedCommentsInfo.push(currentDetachedCommentInfo); + } + else { + detachedCommentsInfo = [currentDetachedCommentInfo]; + } + } + } + function writeComment(text, lineMap, writer, comment, newLine) { + emitPos(comment.pos); + ts.writeCommentRange(text, lineMap, writer, comment, newLine); + emitPos(comment.end); + } + function emitShebang() { + var shebang = ts.getShebang(currentText); + if (shebang) { + write(shebang); + writeLine(); + } + } + var _a, _b; + } + function emitFile(_a, sourceFiles, isBundledEmit) { + var jsFilePath = _a.jsFilePath, sourceMapFilePath = _a.sourceMapFilePath, declarationFilePath = _a.declarationFilePath; + // Make sure not to write js File and source map file if any of them cannot be written + if (!host.isEmitBlocked(jsFilePath) && !compilerOptions.noEmit) { + emitJavaScript(jsFilePath, sourceMapFilePath, sourceFiles, isBundledEmit); + } + else { + emitSkipped = true; + } + if (declarationFilePath) { + emitSkipped = ts.writeDeclarationFile(declarationFilePath, sourceFiles, isBundledEmit, host, resolver, emitterDiagnostics) || emitSkipped; + } + } + } + ts.emitFiles = emitFiles; +})(ts || (ts = {})); +/// +/// +/// +var ts; +(function (ts) { + /* @internal */ ts.programTime = 0; + /* @internal */ ts.emitTime = 0; + /* @internal */ ts.ioReadTime = 0; + /* @internal */ ts.ioWriteTime = 0; + /** The version of the TypeScript compiler release */ + var emptyArray = []; + ts.version = "1.8.2"; + function findConfigFile(searchPath, fileExists) { + var fileName = "tsconfig.json"; + while (true) { + if (fileExists(fileName)) { + return fileName; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + fileName = "../" + fileName; + } + return undefined; + } + ts.findConfigFile = findConfigFile; + function resolveTripleslashReference(moduleName, containingFile) { + var basePath = ts.getDirectoryPath(containingFile); + var referencedFileName = ts.isRootedDiskPath(moduleName) ? moduleName : ts.combinePaths(basePath, moduleName); + return ts.normalizePath(referencedFileName); + } + ts.resolveTripleslashReference = resolveTripleslashReference; + function resolveModuleName(moduleName, containingFile, compilerOptions, host) { + var moduleResolution = compilerOptions.moduleResolution !== undefined + ? compilerOptions.moduleResolution + : ts.getEmitModuleKind(compilerOptions) === 1 /* CommonJS */ ? 2 /* NodeJs */ : 1 /* Classic */; + switch (moduleResolution) { + case 2 /* NodeJs */: return nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host); + case 1 /* Classic */: return classicNameResolver(moduleName, containingFile, compilerOptions, host); + } + } + ts.resolveModuleName = resolveModuleName; + function nodeModuleNameResolver(moduleName, containingFile, compilerOptions, host) { + var containingDirectory = ts.getDirectoryPath(containingFile); + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + if (ts.getRootLength(moduleName) !== 0 || nameStartsWithDotSlashOrDotDotSlash(moduleName)) { + var failedLookupLocations = []; + var candidate = ts.normalizePath(ts.combinePaths(containingDirectory, moduleName)); + var resolvedFileName = loadNodeModuleFromFile(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); + if (resolvedFileName) { + return { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations }; + } + resolvedFileName = loadNodeModuleFromDirectory(supportedExtensions, candidate, failedLookupLocations, /*onlyRecordFailures*/ false, host); + return resolvedFileName + ? { resolvedModule: { resolvedFileName: resolvedFileName }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + else { + return loadModuleFromNodeModules(moduleName, containingDirectory, host); + } + } + ts.nodeModuleNameResolver = nodeModuleNameResolver; + /* @internal */ + function directoryProbablyExists(directoryName, host) { + // if host does not support 'directoryExists' assume that directory will exist + return !host.directoryExists || host.directoryExists(directoryName); + } + ts.directoryProbablyExists = directoryProbablyExists; + /** + * @param {boolean} onlyRecordFailures - if true then function won't try to actually load files but instead record all attempts as failures. This flag is necessary + * in cases when we know upfront that all load attempts will fail (because containing folder does not exists) however we still need to record all failed lookup locations. + */ + function loadNodeModuleFromFile(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + return ts.forEach(extensions, tryLoad); + function tryLoad(ext) { + var fileName = ts.fileExtensionIs(candidate, ext) ? candidate : candidate + ext; + if (!onlyRecordFailures && host.fileExists(fileName)) { + return fileName; + } + else { + failedLookupLocation.push(fileName); + return undefined; + } + } + } + function loadNodeModuleFromDirectory(extensions, candidate, failedLookupLocation, onlyRecordFailures, host) { + var packageJsonPath = ts.combinePaths(candidate, "package.json"); + var directoryExists = !onlyRecordFailures && directoryProbablyExists(candidate, host); + if (directoryExists && host.fileExists(packageJsonPath)) { + var jsonContent = void 0; + try { + var jsonText = host.readFile(packageJsonPath); + jsonContent = jsonText ? JSON.parse(jsonText) : { typings: undefined }; + } + catch (e) { + // gracefully handle if readFile fails or returns not JSON + jsonContent = { typings: undefined }; + } + if (typeof jsonContent.typings === "string") { + var path = ts.normalizePath(ts.combinePaths(candidate, jsonContent.typings)); + var result = loadNodeModuleFromFile(extensions, path, failedLookupLocation, !directoryProbablyExists(ts.getDirectoryPath(path), host), host); + if (result) { + return result; + } + } + } + else { + // record package json as one of failed lookup locations - in the future if this file will appear it will invalidate resolution results + failedLookupLocation.push(packageJsonPath); + } + return loadNodeModuleFromFile(extensions, ts.combinePaths(candidate, "index"), failedLookupLocation, !directoryExists, host); + } + function loadModuleFromNodeModules(moduleName, directory, host) { + var failedLookupLocations = []; + directory = ts.normalizeSlashes(directory); + while (true) { + var baseName = ts.getBaseFileName(directory); + if (baseName !== "node_modules") { + var nodeModulesFolder = ts.combinePaths(directory, "node_modules"); + var nodeModulesFolderExists = directoryProbablyExists(nodeModulesFolder, host); + var candidate = ts.normalizePath(ts.combinePaths(nodeModulesFolder, moduleName)); + // Load only typescript files irrespective of allowJs option if loading from node modules + var result = loadNodeModuleFromFile(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + result = loadNodeModuleFromDirectory(ts.supportedTypeScriptExtensions, candidate, failedLookupLocations, !nodeModulesFolderExists, host); + if (result) { + return { resolvedModule: { resolvedFileName: result, isExternalLibraryImport: true }, failedLookupLocations: failedLookupLocations }; + } + } + var parentPath = ts.getDirectoryPath(directory); + if (parentPath === directory) { + break; + } + directory = parentPath; + } + return { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + function nameStartsWithDotSlashOrDotDotSlash(name) { + var i = name.lastIndexOf("./", 1); + return i === 0 || (i === 1 && name.charCodeAt(0) === 46 /* dot */); + } + function classicNameResolver(moduleName, containingFile, compilerOptions, host) { + // module names that contain '!' are used to reference resources and are not resolved to actual files on disk + if (moduleName.indexOf("!") != -1) { + return { resolvedModule: undefined, failedLookupLocations: [] }; + } + var searchPath = ts.getDirectoryPath(containingFile); + var searchName; + var failedLookupLocations = []; + var referencedSourceFile; + var supportedExtensions = ts.getSupportedExtensions(compilerOptions); + while (true) { + searchName = ts.normalizePath(ts.combinePaths(searchPath, moduleName)); + referencedSourceFile = ts.forEach(supportedExtensions, function (extension) { + if (extension === ".tsx" && !compilerOptions.jsx) { + // resolve .tsx files only if jsx support is enabled + // 'logical not' handles both undefined and None cases + return undefined; + } + var candidate = searchName + extension; + if (host.fileExists(candidate)) { + return candidate; + } + else { + failedLookupLocations.push(candidate); + } + }); + if (referencedSourceFile) { + break; + } + var parentPath = ts.getDirectoryPath(searchPath); + if (parentPath === searchPath) { + break; + } + searchPath = parentPath; + } + return referencedSourceFile + ? { resolvedModule: { resolvedFileName: referencedSourceFile }, failedLookupLocations: failedLookupLocations } + : { resolvedModule: undefined, failedLookupLocations: failedLookupLocations }; + } + ts.classicNameResolver = classicNameResolver; + /* @internal */ + ts.defaultInitCompilerOptions = { + module: 1 /* CommonJS */, + target: 1 /* ES5 */, + noImplicitAny: false, + sourceMap: false + }; + function createCompilerHost(options, setParentNodes) { + var existingDirectories = {}; + function getCanonicalFileName(fileName) { + // if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form. + // otherwise use toLowerCase as a canonical form. + return ts.sys.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase(); + } + // returned by CScript sys environment + var unsupportedFileEncodingErrorCode = -2147024809; + function getSourceFile(fileName, languageVersion, onError) { + var text; + try { + var start = new Date().getTime(); + text = ts.sys.readFile(fileName, options.charset); + ts.ioReadTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.number === unsupportedFileEncodingErrorCode + ? ts.createCompilerDiagnostic(ts.Diagnostics.Unsupported_file_encoding).messageText + : e.message); + } + text = ""; + } + return text !== undefined ? ts.createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined; + } + function directoryExists(directoryPath) { + if (ts.hasProperty(existingDirectories, directoryPath)) { + return true; + } + if (ts.sys.directoryExists(directoryPath)) { + existingDirectories[directoryPath] = true; + return true; + } + return false; + } + function ensureDirectoriesExist(directoryPath) { + if (directoryPath.length > ts.getRootLength(directoryPath) && !directoryExists(directoryPath)) { + var parentDirectory = ts.getDirectoryPath(directoryPath); + ensureDirectoriesExist(parentDirectory); + ts.sys.createDirectory(directoryPath); + } + } + function writeFile(fileName, data, writeByteOrderMark, onError) { + try { + var start = new Date().getTime(); + ensureDirectoriesExist(ts.getDirectoryPath(ts.normalizePath(fileName))); + ts.sys.writeFile(fileName, data, writeByteOrderMark); + ts.ioWriteTime += new Date().getTime() - start; + } + catch (e) { + if (onError) { + onError(e.message); + } + } + } + var newLine = ts.getNewLineCharacter(options); + return { + getSourceFile: getSourceFile, + getDefaultLibFileName: function (options) { return ts.combinePaths(ts.getDirectoryPath(ts.normalizePath(ts.sys.getExecutingFilePath())), ts.getDefaultLibFileName(options)); }, + writeFile: writeFile, + getCurrentDirectory: ts.memoize(function () { return ts.sys.getCurrentDirectory(); }), + useCaseSensitiveFileNames: function () { return ts.sys.useCaseSensitiveFileNames; }, + getCanonicalFileName: getCanonicalFileName, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return ts.sys.fileExists(fileName); }, + readFile: function (fileName) { return ts.sys.readFile(fileName); }, + directoryExists: function (directoryName) { return ts.sys.directoryExists(directoryName); } + }; + } + ts.createCompilerHost = createCompilerHost; + function getPreEmitDiagnostics(program, sourceFile, cancellationToken) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + if (program.getCompilerOptions().declaration) { + diagnostics = diagnostics.concat(program.getDeclarationDiagnostics(sourceFile, cancellationToken)); + } + return ts.sortAndDeduplicateDiagnostics(diagnostics); + } + ts.getPreEmitDiagnostics = getPreEmitDiagnostics; + function flattenDiagnosticMessageText(messageText, newLine) { + if (typeof messageText === "string") { + return messageText; + } + else { + var diagnosticChain = messageText; + var result = ""; + var indent = 0; + while (diagnosticChain) { + if (indent) { + result += newLine; + for (var i = 0; i < indent; i++) { + result += " "; + } + } + result += diagnosticChain.messageText; + indent++; + diagnosticChain = diagnosticChain.next; + } + return result; + } + } + ts.flattenDiagnosticMessageText = flattenDiagnosticMessageText; + function createProgram(rootNames, options, host, oldProgram) { + var program; + var files = []; + var fileProcessingDiagnostics = ts.createDiagnosticCollection(); + var programDiagnostics = ts.createDiagnosticCollection(); + var commonSourceDirectory; + var diagnosticsProducingTypeChecker; + var noDiagnosticsTypeChecker; + var classifiableNames; + var skipDefaultLib = options.noLib; + var supportedExtensions = ts.getSupportedExtensions(options); + var start = new Date().getTime(); + host = host || createCompilerHost(options); + // Map storing if there is emit blocking diagnostics for given input + var hasEmitBlockingDiagnostics = ts.createFileMap(getCanonicalFileName); + var currentDirectory = host.getCurrentDirectory(); + var resolveModuleNamesWorker = host.resolveModuleNames + ? (function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }) + : (function (moduleNames, containingFile) { + var resolvedModuleNames = []; + // resolveModuleName does not store any results between calls. + // lookup is a local cache to avoid resolving the same module name several times + var lookup = {}; + for (var _i = 0, moduleNames_1 = moduleNames; _i < moduleNames_1.length; _i++) { + var moduleName = moduleNames_1[_i]; + var resolvedName = void 0; + if (ts.hasProperty(lookup, moduleName)) { + resolvedName = lookup[moduleName]; + } + else { + resolvedName = resolveModuleName(moduleName, containingFile, options, host).resolvedModule; + lookup[moduleName] = resolvedName; + } + resolvedModuleNames.push(resolvedName); + } + return resolvedModuleNames; + }); + var filesByName = ts.createFileMap(); + // stores 'filename -> file association' ignoring case + // used to track cases when two file names differ only in casing + var filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? ts.createFileMap(function (fileName) { return fileName.toLowerCase(); }) : undefined; + if (oldProgram) { + // check properties that can affect structure of the program or module resolution strategy + // if any of these properties has changed - structure cannot be reused + var oldOptions = oldProgram.getCompilerOptions(); + if ((oldOptions.module !== options.module) || + (oldOptions.noResolve !== options.noResolve) || + (oldOptions.target !== options.target) || + (oldOptions.noLib !== options.noLib) || + (oldOptions.jsx !== options.jsx) || + (oldOptions.allowJs !== options.allowJs)) { + oldProgram = undefined; + } + } + if (!tryReuseStructureFromOldProgram()) { + ts.forEach(rootNames, function (name) { return processRootFile(name, /*isDefaultLib*/ false); }); + // Do not process the default library if: + // - The '--noLib' flag is used. + // - A 'no-default-lib' reference comment is encountered in + // processing the root files. + if (!skipDefaultLib) { + processRootFile(host.getDefaultLibFileName(options), /*isDefaultLib*/ true); + } + } + // unconditionally set oldProgram to undefined to prevent it from being captured in closure + oldProgram = undefined; + program = { + getRootFileNames: function () { return rootNames; }, + getSourceFile: getSourceFile, + getSourceFiles: function () { return files; }, + getCompilerOptions: function () { return options; }, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getOptionsDiagnostics: getOptionsDiagnostics, + getGlobalDiagnostics: getGlobalDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getDeclarationDiagnostics: getDeclarationDiagnostics, + getTypeChecker: getTypeChecker, + getClassifiableNames: getClassifiableNames, + getDiagnosticsProducingTypeChecker: getDiagnosticsProducingTypeChecker, + getCommonSourceDirectory: getCommonSourceDirectory, + emit: emit, + getCurrentDirectory: function () { return currentDirectory; }, + getNodeCount: function () { return getDiagnosticsProducingTypeChecker().getNodeCount(); }, + getIdentifierCount: function () { return getDiagnosticsProducingTypeChecker().getIdentifierCount(); }, + getSymbolCount: function () { return getDiagnosticsProducingTypeChecker().getSymbolCount(); }, + getTypeCount: function () { return getDiagnosticsProducingTypeChecker().getTypeCount(); }, + getFileProcessingDiagnostics: function () { return fileProcessingDiagnostics; } + }; + verifyCompilerOptions(); + ts.programTime += new Date().getTime() - start; + return program; + function getCommonSourceDirectory() { + if (typeof commonSourceDirectory === "undefined") { + if (options.rootDir && checkSourceFilesBelongToPath(files, options.rootDir)) { + // If a rootDir is specified and is valid use it as the commonSourceDirectory + commonSourceDirectory = ts.getNormalizedAbsolutePath(options.rootDir, currentDirectory); + } + else { + commonSourceDirectory = computeCommonSourceDirectory(files); + } + if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== ts.directorySeparator) { + // Make sure directory path ends with directory separator so this string can directly + // used to replace with "" to get the relative path of the source file and the relative path doesn't + // start with / making it rooted path + commonSourceDirectory += ts.directorySeparator; + } + } + return commonSourceDirectory; + } + function getClassifiableNames() { + if (!classifiableNames) { + // Initialize a checker so that all our files are bound. + getTypeChecker(); + classifiableNames = {}; + for (var _i = 0, files_3 = files; _i < files_3.length; _i++) { + var sourceFile = files_3[_i]; + ts.copyMap(sourceFile.classifiableNames, classifiableNames); + } + } + return classifiableNames; + } + function tryReuseStructureFromOldProgram() { + if (!oldProgram) { + return false; + } + ts.Debug.assert(!oldProgram.structureIsReused); + // there is an old program, check if we can reuse its structure + var oldRootNames = oldProgram.getRootFileNames(); + if (!ts.arrayIsEqualTo(oldRootNames, rootNames)) { + return false; + } + // check if program source files has changed in the way that can affect structure of the program + var newSourceFiles = []; + var filePaths = []; + var modifiedSourceFiles = []; + for (var _i = 0, _a = oldProgram.getSourceFiles(); _i < _a.length; _i++) { + var oldSourceFile = _a[_i]; + var newSourceFile = host.getSourceFile(oldSourceFile.fileName, options.target); + if (!newSourceFile) { + return false; + } + newSourceFile.path = oldSourceFile.path; + filePaths.push(newSourceFile.path); + if (oldSourceFile !== newSourceFile) { + if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) { + // value of no-default-lib has changed + // this will affect if default library is injected into the list of files + return false; + } + // check tripleslash references + if (!ts.arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) { + // tripleslash references has changed + return false; + } + // check imports and module augmentations + collectExternalModuleReferences(newSourceFile); + if (!ts.arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) { + // imports has changed + return false; + } + if (!ts.arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) { + // moduleAugmentations has changed + return false; + } + if (resolveModuleNamesWorker) { + var moduleNames = ts.map(ts.concatenate(newSourceFile.imports, newSourceFile.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(newSourceFile.fileName, currentDirectory)); + // ensure that module resolution results are still correct + for (var i = 0; i < moduleNames.length; i++) { + var newResolution = resolutions[i]; + var oldResolution = ts.getResolvedModule(oldSourceFile, moduleNames[i]); + var resolutionChanged = oldResolution + ? !newResolution || + oldResolution.resolvedFileName !== newResolution.resolvedFileName || + !!oldResolution.isExternalLibraryImport !== !!newResolution.isExternalLibraryImport + : newResolution; + if (resolutionChanged) { + return false; + } + } + } + // pass the cache of module resolutions from the old source file + newSourceFile.resolvedModules = oldSourceFile.resolvedModules; + modifiedSourceFiles.push(newSourceFile); + } + else { + // file has no changes - use it as is + newSourceFile = oldSourceFile; + } + // if file has passed all checks it should be safe to reuse it + newSourceFiles.push(newSourceFile); + } + // update fileName -> file mapping + for (var i = 0, len = newSourceFiles.length; i < len; i++) { + filesByName.set(filePaths[i], newSourceFiles[i]); + } + files = newSourceFiles; + fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics(); + for (var _b = 0, modifiedSourceFiles_1 = modifiedSourceFiles; _b < modifiedSourceFiles_1.length; _b++) { + var modifiedFile = modifiedSourceFiles_1[_b]; + fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile); + } + oldProgram.structureIsReused = true; + return true; + } + function getEmitHost(writeFileCallback) { + return { + getCanonicalFileName: getCanonicalFileName, + getCommonSourceDirectory: program.getCommonSourceDirectory, + getCompilerOptions: program.getCompilerOptions, + getCurrentDirectory: function () { return currentDirectory; }, + getNewLine: function () { return host.getNewLine(); }, + getSourceFile: program.getSourceFile, + getSourceFiles: program.getSourceFiles, + writeFile: writeFileCallback || (function (fileName, data, writeByteOrderMark, onError) { return host.writeFile(fileName, data, writeByteOrderMark, onError); }), + isEmitBlocked: isEmitBlocked + }; + } + function getDiagnosticsProducingTypeChecker() { + return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ true)); + } + function getTypeChecker() { + return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = ts.createTypeChecker(program, /*produceDiagnostics:*/ false)); + } + function emit(sourceFile, writeFileCallback, cancellationToken) { + var _this = this; + return runWithCancellationToken(function () { return emitWorker(_this, sourceFile, writeFileCallback, cancellationToken); }); + } + function isEmitBlocked(emitFileName) { + return hasEmitBlockingDiagnostics.contains(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName)); + } + function emitWorker(program, sourceFile, writeFileCallback, cancellationToken) { + // If the noEmitOnError flag is set, then check if we have any errors so far. If so, + // immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we + // get any preEmit diagnostics, not just the ones + if (options.noEmitOnError) { + var diagnostics = program.getOptionsDiagnostics(cancellationToken).concat(program.getSyntacticDiagnostics(sourceFile, cancellationToken), program.getGlobalDiagnostics(cancellationToken), program.getSemanticDiagnostics(sourceFile, cancellationToken)); + var declarationDiagnostics = []; + if (diagnostics.length === 0 && program.getCompilerOptions().declaration) { + declarationDiagnostics = program.getDeclarationDiagnostics(/*sourceFile*/ undefined, cancellationToken); + } + if (diagnostics.length > 0 || declarationDiagnostics.length > 0) { + return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emitSkipped: true }; + } + } + // Create the emit resolver outside of the "emitTime" tracking code below. That way + // any cost associated with it (like type checking) are appropriate associated with + // the type-checking counter. + // + // If the -out option is specified, we should not pass the source file to getEmitResolver. + // This is because in the -out scenario all files need to be emitted, and therefore all + // files need to be type checked. And the way to specify that all files need to be type + // checked is to not pass the file to getEmitResolver. + var emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile); + var start = new Date().getTime(); + var emitResult = ts.emitFiles(emitResolver, getEmitHost(writeFileCallback), sourceFile); + ts.emitTime += new Date().getTime() - start; + return emitResult; + } + function getSourceFile(fileName) { + return filesByName.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName)); + } + function getDiagnosticsHelper(sourceFile, getDiagnostics, cancellationToken) { + if (sourceFile) { + return getDiagnostics(sourceFile, cancellationToken); + } + var allDiagnostics = []; + ts.forEach(program.getSourceFiles(), function (sourceFile) { + if (cancellationToken) { + cancellationToken.throwIfCancellationRequested(); + } + ts.addRange(allDiagnostics, getDiagnostics(sourceFile, cancellationToken)); + }); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getSyntacticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken); + } + function getSemanticDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken); + } + function getDeclarationDiagnostics(sourceFile, cancellationToken) { + return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken); + } + function getSyntacticDiagnosticsForFile(sourceFile, cancellationToken) { + return sourceFile.parseDiagnostics; + } + function runWithCancellationToken(func) { + try { + return func(); + } + catch (e) { + if (e instanceof ts.OperationCanceledException) { + // We were canceled while performing the operation. Because our type checker + // might be a bad state, we need to throw it away. + // + // Note: we are overly agressive here. We do not actually *have* to throw away + // the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep + // the lifetimes of these two TypeCheckers the same. Also, we generally only + // cancel when the user has made a change anyways. And, in that case, we (the + // program instance) will get thrown away anyways. So trying to keep one of + // these type checkers alive doesn't serve much purpose. + noDiagnosticsTypeChecker = undefined; + diagnosticsProducingTypeChecker = undefined; + } + throw e; + } + } + function getSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var typeChecker = getDiagnosticsProducingTypeChecker(); + ts.Debug.assert(!!sourceFile.bindDiagnostics); + var bindDiagnostics = sourceFile.bindDiagnostics; + // For JavaScript files, we don't want to report the normal typescript semantic errors. + // Instead, we just report errors for using TypeScript-only constructs from within a + // JavaScript file. + var checkDiagnostics = ts.isSourceFileJavaScript(sourceFile) ? + getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) : + typeChecker.getDiagnostics(sourceFile, cancellationToken); + var fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName); + var programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName); + return bindDiagnostics.concat(checkDiagnostics).concat(fileProcessingDiagnosticsInFile).concat(programDiagnosticsInFile); + }); + } + function getJavaScriptSemanticDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + var diagnostics = []; + walk(sourceFile); + return diagnostics; + function walk(node) { + if (!node) { + return false; + } + switch (node.kind) { + case 224 /* ImportEqualsDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.import_can_only_be_used_in_a_ts_file)); + return true; + case 230 /* ExportAssignment */: + if (node.isExportEquals) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.export_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 217 /* ClassDeclaration */: + var classDeclaration = node; + if (checkModifiers(classDeclaration.modifiers) || + checkTypeParameters(classDeclaration.typeParameters)) { + return true; + } + break; + case 246 /* HeritageClause */: + var heritageClause = node; + if (heritageClause.token === 106 /* ImplementsKeyword */) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 218 /* InterfaceDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 221 /* ModuleDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.module_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 219 /* TypeAliasDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.type_aliases_can_only_be_used_in_a_ts_file)); + return true; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 216 /* FunctionDeclaration */: + var functionDeclaration = node; + if (checkModifiers(functionDeclaration.modifiers) || + checkTypeParameters(functionDeclaration.typeParameters) || + checkTypeAnnotation(functionDeclaration.type)) { + return true; + } + break; + case 196 /* VariableStatement */: + var variableStatement = node; + if (checkModifiers(variableStatement.modifiers)) { + return true; + } + break; + case 214 /* VariableDeclaration */: + var variableDeclaration = node; + if (checkTypeAnnotation(variableDeclaration.type)) { + return true; + } + break; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + var expression = node; + if (expression.typeArguments && expression.typeArguments.length > 0) { + var start_2 = expression.typeArguments.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_2, expression.typeArguments.end - start_2, ts.Diagnostics.type_arguments_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 139 /* Parameter */: + var parameter = node; + if (parameter.modifiers) { + var start_3 = parameter.modifiers.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_3, parameter.modifiers.end - start_3, ts.Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file)); + return true; + } + if (parameter.questionToken) { + diagnostics.push(ts.createDiagnosticForNode(parameter.questionToken, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, "?")); + return true; + } + if (parameter.type) { + diagnostics.push(ts.createDiagnosticForNode(parameter.type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + break; + case 142 /* PropertyDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.property_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 220 /* EnumDeclaration */: + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file)); + return true; + case 174 /* TypeAssertionExpression */: + var typeAssertionExpression = node; + diagnostics.push(ts.createDiagnosticForNode(typeAssertionExpression.type, ts.Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file)); + return true; + case 140 /* Decorator */: + if (!options.experimentalDecorators) { + diagnostics.push(ts.createDiagnosticForNode(node, ts.Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning)); + } + return true; + } + return ts.forEachChild(node, walk); + } + function checkTypeParameters(typeParameters) { + if (typeParameters) { + var start_4 = typeParameters.pos; + diagnostics.push(ts.createFileDiagnostic(sourceFile, start_4, typeParameters.end - start_4, ts.Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkTypeAnnotation(type) { + if (type) { + diagnostics.push(ts.createDiagnosticForNode(type, ts.Diagnostics.types_can_only_be_used_in_a_ts_file)); + return true; + } + return false; + } + function checkModifiers(modifiers) { + if (modifiers) { + for (var _i = 0, modifiers_1 = modifiers; _i < modifiers_1.length; _i++) { + var modifier = modifiers_1[_i]; + switch (modifier.kind) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + case 122 /* DeclareKeyword */: + diagnostics.push(ts.createDiagnosticForNode(modifier, ts.Diagnostics._0_can_only_be_used_in_a_ts_file, ts.tokenToString(modifier.kind))); + return true; + // These are all legal modifiers. + case 113 /* StaticKeyword */: + case 82 /* ExportKeyword */: + case 74 /* ConstKeyword */: + case 77 /* DefaultKeyword */: + case 115 /* AbstractKeyword */: + } + } + } + return false; + } + }); + } + function getDeclarationDiagnosticsForFile(sourceFile, cancellationToken) { + return runWithCancellationToken(function () { + if (!ts.isDeclarationFile(sourceFile)) { + var resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken); + // Don't actually write any files since we're just getting diagnostics. + var writeFile_1 = function () { }; + return ts.getDeclarationDiagnostics(getEmitHost(writeFile_1), resolver, sourceFile); + } + }); + } + function getOptionsDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, fileProcessingDiagnostics.getGlobalDiagnostics()); + ts.addRange(allDiagnostics, programDiagnostics.getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function getGlobalDiagnostics() { + var allDiagnostics = []; + ts.addRange(allDiagnostics, getDiagnosticsProducingTypeChecker().getGlobalDiagnostics()); + return ts.sortAndDeduplicateDiagnostics(allDiagnostics); + } + function hasExtension(fileName) { + return ts.getBaseFileName(fileName).indexOf(".") >= 0; + } + function processRootFile(fileName, isDefaultLib) { + processSourceFile(ts.normalizePath(fileName), isDefaultLib); + } + function fileReferenceIsEqualTo(a, b) { + return a.fileName === b.fileName; + } + function moduleNameIsEqualTo(a, b) { + return a.text === b.text; + } + function getTextOfLiteral(literal) { + return literal.text; + } + function collectExternalModuleReferences(file) { + if (file.imports) { + return; + } + var isJavaScriptFile = ts.isSourceFileJavaScript(file); + var isExternalModuleFile = ts.isExternalModule(file); + var imports; + var moduleAugmentations; + for (var _i = 0, _a = file.statements; _i < _a.length; _i++) { + var node = _a[_i]; + collectModuleReferences(node, /*inAmbientModule*/ false); + if (isJavaScriptFile) { + collectRequireCalls(node); + } + } + file.imports = imports || emptyArray; + file.moduleAugmentations = moduleAugmentations || emptyArray; + return; + function collectModuleReferences(node, inAmbientModule) { + switch (node.kind) { + case 225 /* ImportDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 231 /* ExportDeclaration */: + var moduleNameExpr = ts.getExternalModuleName(node); + if (!moduleNameExpr || moduleNameExpr.kind !== 9 /* StringLiteral */) { + break; + } + if (!moduleNameExpr.text) { + break; + } + // TypeScript 1.0 spec (April 2014): 12.1.6 + // An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules + // only through top - level external module names. Relative external module names are not permitted. + if (!inAmbientModule || !ts.isExternalModuleNameRelative(moduleNameExpr.text)) { + (imports || (imports = [])).push(moduleNameExpr); + } + break; + case 221 /* ModuleDeclaration */: + if (ts.isAmbientModule(node) && (inAmbientModule || node.flags & 4 /* Ambient */ || ts.isDeclarationFile(file))) { + var moduleName = node.name; + // Ambient module declarations can be interpreted as augmentations for some existing external modules. + // This will happen in two cases: + // - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope + // - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name + // immediately nested in top level ambient module declaration . + if (isExternalModuleFile || (inAmbientModule && !ts.isExternalModuleNameRelative(moduleName.text))) { + (moduleAugmentations || (moduleAugmentations = [])).push(moduleName); + } + else if (!inAmbientModule) { + // An AmbientExternalModuleDeclaration declares an external module. + // This type of declaration is permitted only in the global module. + // The StringLiteral must specify a top - level external module name. + // Relative external module names are not permitted + // NOTE: body of ambient module is always a module block + for (var _i = 0, _a = node.body.statements; _i < _a.length; _i++) { + var statement = _a[_i]; + collectModuleReferences(statement, /*inAmbientModule*/ true); + } + } + } + } + } + function collectRequireCalls(node) { + if (ts.isRequireCall(node, /*checkArgumentIsStringLiteral*/ true)) { + (imports || (imports = [])).push(node.arguments[0]); + } + else { + ts.forEachChild(node, collectRequireCalls); + } + } + } + function processSourceFile(fileName, isDefaultLib, refFile, refPos, refEnd) { + var diagnosticArgument; + var diagnostic; + if (hasExtension(fileName)) { + if (!options.allowNonTsExtensions && !ts.forEach(supportedExtensions, function (extension) { return ts.fileExtensionIs(host.getCanonicalFileName(fileName), extension); })) { + diagnostic = ts.Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1; + diagnosticArgument = [fileName, "'" + supportedExtensions.join("', '") + "'"]; + } + else if (!findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd)) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) { + diagnostic = ts.Diagnostics.A_file_cannot_have_a_reference_to_itself; + diagnosticArgument = [fileName]; + } + } + else { + var nonTsFile = options.allowNonTsExtensions && findSourceFile(fileName, ts.toPath(fileName, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); + if (!nonTsFile) { + if (options.allowNonTsExtensions) { + diagnostic = ts.Diagnostics.File_0_not_found; + diagnosticArgument = [fileName]; + } + else if (!ts.forEach(supportedExtensions, function (extension) { return findSourceFile(fileName + extension, ts.toPath(fileName + extension, currentDirectory, getCanonicalFileName), isDefaultLib, refFile, refPos, refEnd); })) { + diagnostic = ts.Diagnostics.File_0_not_found; + fileName += ".ts"; + diagnosticArgument = [fileName]; + } + } + } + if (diagnostic) { + if (refFile !== undefined && refEnd !== undefined && refPos !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic.apply(void 0, [refFile, refPos, refEnd - refPos, diagnostic].concat(diagnosticArgument))); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic.apply(void 0, [diagnostic].concat(diagnosticArgument))); + } + } + } + function reportFileNamesDifferOnlyInCasingError(fileName, existingFileName, refFile, refPos, refEnd) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName)); + } + } + // Get source file from normalized fileName + function findSourceFile(fileName, path, isDefaultLib, refFile, refPos, refEnd) { + if (filesByName.contains(path)) { + var file_1 = filesByName.get(path); + // try to check if we've already seen this file but with a different casing in path + // NOTE: this only makes sense for case-insensitive file systems + if (file_1 && options.forceConsistentCasingInFileNames && ts.getNormalizedAbsolutePath(file_1.fileName, currentDirectory) !== ts.getNormalizedAbsolutePath(fileName, currentDirectory)) { + reportFileNamesDifferOnlyInCasingError(fileName, file_1.fileName, refFile, refPos, refEnd); + } + return file_1; + } + // We haven't looked for this file, do so now and cache result + var file = host.getSourceFile(fileName, options.target, function (hostErrorMessage) { + if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) { + fileProcessingDiagnostics.add(ts.createFileDiagnostic(refFile, refPos, refEnd - refPos, ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + else { + fileProcessingDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage)); + } + }); + filesByName.set(path, file); + if (file) { + file.path = path; + if (host.useCaseSensitiveFileNames()) { + // for case-sensitive file systems check if we've already seen some file with similar filename ignoring case + var existingFile = filesByNameIgnoreCase.get(path); + if (existingFile) { + reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd); + } + else { + filesByNameIgnoreCase.set(path, file); + } + } + skipDefaultLib = skipDefaultLib || file.hasNoDefaultLib; + var basePath = ts.getDirectoryPath(fileName); + if (!options.noResolve) { + processReferencedFiles(file, basePath); + } + // always process imported modules to record module name resolutions + processImportedModules(file, basePath); + if (isDefaultLib) { + files.unshift(file); + } + else { + files.push(file); + } + } + return file; + } + function processReferencedFiles(file, basePath) { + ts.forEach(file.referencedFiles, function (ref) { + var referencedFileName = resolveTripleslashReference(ref.fileName, file.fileName); + processSourceFile(referencedFileName, /*isDefaultLib*/ false, file, ref.pos, ref.end); + }); + } + function getCanonicalFileName(fileName) { + return host.getCanonicalFileName(fileName); + } + function processImportedModules(file, basePath) { + collectExternalModuleReferences(file); + if (file.imports.length || file.moduleAugmentations.length) { + file.resolvedModules = {}; + var moduleNames = ts.map(ts.concatenate(file.imports, file.moduleAugmentations), getTextOfLiteral); + var resolutions = resolveModuleNamesWorker(moduleNames, ts.getNormalizedAbsolutePath(file.fileName, currentDirectory)); + for (var i = 0; i < moduleNames.length; i++) { + var resolution = resolutions[i]; + ts.setResolvedModule(file, moduleNames[i], resolution); + // add file to program only if: + // - resolution was successfull + // - noResolve is falsy + // - module name come from the list fo imports + var shouldAddFile = resolution && + !options.noResolve && + i < file.imports.length; + if (shouldAddFile) { + var importedFile = findSourceFile(resolution.resolvedFileName, ts.toPath(resolution.resolvedFileName, currentDirectory, getCanonicalFileName), /*isDefaultLib*/ false, file, ts.skipTrivia(file.text, file.imports[i].pos), file.imports[i].end); + if (importedFile && resolution.isExternalLibraryImport) { + // Since currently irrespective of allowJs, we only look for supportedTypeScript extension external module files, + // this check is ok. Otherwise this would be never true for javascript file + if (!ts.isExternalModule(importedFile) && importedFile.statements.length) { + var start_5 = ts.getTokenPosOfNode(file.imports[i], file); + fileProcessingDiagnostics.add(ts.createFileDiagnostic(file, start_5, file.imports[i].end - start_5, ts.Diagnostics.Exported_external_package_typings_file_0_is_not_a_module_Please_contact_the_package_author_to_update_the_package_definition, importedFile.fileName)); + } + else if (importedFile.referencedFiles.length) { + var firstRef = importedFile.referencedFiles[0]; + fileProcessingDiagnostics.add(ts.createFileDiagnostic(importedFile, firstRef.pos, firstRef.end - firstRef.pos, ts.Diagnostics.Exported_external_package_typings_file_cannot_contain_tripleslash_references_Please_contact_the_package_author_to_update_the_package_definition)); + } + } + } + } + } + else { + // no imports - drop cached module resolutions + file.resolvedModules = undefined; + } + return; + } + function computeCommonSourceDirectory(sourceFiles) { + var commonPathComponents; + var failed = ts.forEach(files, function (sourceFile) { + // Each file contributes into common source file path + if (ts.isDeclarationFile(sourceFile)) { + return; + } + var sourcePathComponents = ts.getNormalizedPathComponents(sourceFile.fileName, currentDirectory); + sourcePathComponents.pop(); // The base file name is not part of the common directory path + if (!commonPathComponents) { + // first file + commonPathComponents = sourcePathComponents; + return; + } + for (var i = 0, n = Math.min(commonPathComponents.length, sourcePathComponents.length); i < n; i++) { + if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) { + if (i === 0) { + // Failed to find any common path component + return true; + } + // New common path found that is 0 -> i-1 + commonPathComponents.length = i; + break; + } + } + // If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents + if (sourcePathComponents.length < commonPathComponents.length) { + commonPathComponents.length = sourcePathComponents.length; + } + }); + // A common path can not be found when paths span multiple drives on windows, for example + if (failed) { + return ""; + } + if (!commonPathComponents) { + return currentDirectory; + } + return ts.getNormalizedPathFromPathComponents(commonPathComponents); + } + function checkSourceFilesBelongToPath(sourceFiles, rootDirectory) { + var allFilesBelongToPath = true; + if (sourceFiles) { + var absoluteRootDirectoryPath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(rootDirectory, currentDirectory)); + for (var _i = 0, sourceFiles_2 = sourceFiles; _i < sourceFiles_2.length; _i++) { + var sourceFile = sourceFiles_2[_i]; + if (!ts.isDeclarationFile(sourceFile)) { + var absoluteSourceFilePath = host.getCanonicalFileName(ts.getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory)); + if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, options.rootDir)); + allFilesBelongToPath = false; + } + } + } + } + return allFilesBelongToPath; + } + function verifyCompilerOptions() { + if (options.isolatedModules) { + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "declaration", "isolatedModules")); + } + if (options.noEmitOnError) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules")); + } + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules")); + } + } + if (options.inlineSourceMap) { + if (options.sourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap")); + } + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap")); + } + } + if (options.inlineSources) { + if (!options.sourceMap && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_inlineSources_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided)); + } + if (options.sourceRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceRoot", "inlineSources")); + } + } + if (options.out && options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile")); + } + if (!options.sourceMap && (options.mapRoot || options.sourceRoot)) { + // Error to specify --mapRoot or --sourceRoot without mapSourceFiles + if (options.mapRoot) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "mapRoot", "sourceMap")); + } + if (options.sourceRoot && !options.inlineSourceMap) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "sourceRoot", "sourceMap")); + } + } + var languageVersion = options.target || 0 /* ES3 */; + var outFile = options.outFile || options.out; + var firstExternalModuleSourceFile = ts.forEach(files, function (f) { return ts.isExternalModule(f) ? f : undefined; }); + if (options.isolatedModules) { + if (options.module === 0 /* None */ && languageVersion < 2 /* ES6 */) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher)); + } + var firstNonExternalModuleSourceFile = ts.forEach(files, function (f) { return !ts.isExternalModule(f) && !ts.isDeclarationFile(f) ? f : undefined; }); + if (firstNonExternalModuleSourceFile) { + var span = ts.getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile); + programDiagnostics.add(ts.createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided)); + } + } + else if (firstExternalModuleSourceFile && languageVersion < 2 /* ES6 */ && options.module === 0 /* None */) { + // We cannot use createDiagnosticFromNode because nodes do not have parents yet + var span = ts.getErrorSpanForNode(firstExternalModuleSourceFile, firstExternalModuleSourceFile.externalModuleIndicator); + programDiagnostics.add(ts.createFileDiagnostic(firstExternalModuleSourceFile, span.start, span.length, ts.Diagnostics.Cannot_compile_modules_unless_the_module_flag_is_provided_with_a_valid_module_type_Consider_setting_the_module_compiler_option_in_a_tsconfig_json_file)); + } + // Cannot specify module gen target of es6 when below es6 + if (options.module === 5 /* ES6 */ && languageVersion < 2 /* ES6 */) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_compile_modules_into_es2015_when_targeting_ES5_or_lower)); + } + // Cannot specify module gen that isn't amd or system with --out + if (outFile && options.module && !(options.module === 2 /* AMD */ || options.module === 4 /* System */)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile")); + } + // there has to be common source directory if user specified --outdir || --sourceRoot + // if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted + if (options.outDir || + options.sourceRoot || + options.mapRoot) { + // Precalculate and cache the common source directory + var dir = getCommonSourceDirectory(); + // If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure + if (options.outDir && dir === "" && ts.forEach(files, function (file) { return ts.getRootLength(file.fileName) > 1; })) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files)); + } + } + if (options.noEmit) { + if (options.out) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "out")); + } + if (options.outFile) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outFile")); + } + if (options.outDir) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "outDir")); + } + if (options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmit", "declaration")); + } + } + else if (options.allowJs && options.declaration) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", "declaration")); + } + if (options.emitDecoratorMetadata && + !options.experimentalDecorators) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators")); + } + if (options.reactNamespace && !ts.isIdentifier(options.reactNamespace, languageVersion)) { + programDiagnostics.add(ts.createCompilerDiagnostic(ts.Diagnostics.Invalide_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace)); + } + // If the emit is enabled make sure that every output file is unique and not overwriting any of the input files + if (!options.noEmit && !options.suppressOutputPathCheck) { + var emitHost = getEmitHost(); + var emitFilesSeen_1 = ts.createFileMap(!host.useCaseSensitiveFileNames() ? function (key) { return key.toLocaleLowerCase(); } : undefined); + ts.forEachExpectedEmitFile(emitHost, function (emitFileNames, sourceFiles, isBundledEmit) { + verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen_1); + verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen_1); + }); + } + // Verify that all the emit files are unique and don't overwrite input files + function verifyEmitFilePath(emitFileName, emitFilesSeen) { + if (emitFileName) { + var emitFilePath = ts.toPath(emitFileName, currentDirectory, getCanonicalFileName); + // Report error if the output overwrites input file + if (filesByName.contains(emitFilePath)) { + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file); + } + // Report error if multiple files write into same file + if (emitFilesSeen.contains(emitFilePath)) { + // Already seen the same emit file - report error + createEmitBlockingDiagnostics(emitFileName, emitFilePath, ts.Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files); + } + else { + emitFilesSeen.set(emitFilePath, true); + } + } + } + } + function createEmitBlockingDiagnostics(emitFileName, emitFilePath, message) { + hasEmitBlockingDiagnostics.set(ts.toPath(emitFileName, currentDirectory, getCanonicalFileName), true); + programDiagnostics.add(ts.createCompilerDiagnostic(message, emitFileName)); + } + } + ts.createProgram = createProgram; +})(ts || (ts = {})); +/// +/// +/// +/// +/// +var ts; +(function (ts) { + /* @internal */ + ts.optionDeclarations = [ + { + name: "charset", + type: "string" + }, + { + name: "declaration", + shortName: "d", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_d_ts_file + }, + { + name: "diagnostics", + type: "boolean" + }, + { + name: "emitBOM", + type: "boolean" + }, + { + name: "help", + shortName: "h", + type: "boolean", + description: ts.Diagnostics.Print_this_message + }, + { + name: "init", + type: "boolean", + description: ts.Diagnostics.Initializes_a_TypeScript_project_and_creates_a_tsconfig_json_file + }, + { + name: "inlineSourceMap", + type: "boolean" + }, + { + name: "inlineSources", + type: "boolean" + }, + { + name: "jsx", + type: { + "preserve": 1 /* Preserve */, + "react": 2 /* React */ + }, + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Specify_JSX_code_generation_Colon_preserve_or_react, + error: ts.Diagnostics.Argument_for_jsx_must_be_preserve_or_react + }, + { + name: "reactNamespace", + type: "string", + description: ts.Diagnostics.Specifies_the_object_invoked_for_createElement_and_spread_when_targeting_react_JSX_emit + }, + { + name: "listFiles", + type: "boolean" + }, + { + name: "locale", + type: "string" + }, + { + name: "mapRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_map_files_instead_of_generated_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "module", + shortName: "m", + type: { + "none": 0 /* None */, + "commonjs": 1 /* CommonJS */, + "amd": 2 /* AMD */, + "system": 4 /* System */, + "umd": 3 /* UMD */, + "es6": 5 /* ES6 */, + "es2015": 5 /* ES2015 */ + }, + description: ts.Diagnostics.Specify_module_code_generation_Colon_commonjs_amd_system_umd_or_es2015, + paramType: ts.Diagnostics.KIND, + error: ts.Diagnostics.Argument_for_module_option_must_be_commonjs_amd_system_umd_es2015_or_none + }, + { + name: "newLine", + type: { + "crlf": 0 /* CarriageReturnLineFeed */, + "lf": 1 /* LineFeed */ + }, + description: ts.Diagnostics.Specifies_the_end_of_line_sequence_to_be_used_when_emitting_files_Colon_CRLF_dos_or_LF_unix, + paramType: ts.Diagnostics.NEWLINE, + error: ts.Diagnostics.Argument_for_newLine_option_must_be_CRLF_or_LF + }, + { + name: "noEmit", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs + }, + { + name: "noEmitHelpers", + type: "boolean" + }, + { + name: "noEmitOnError", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_outputs_if_any_errors_were_reported + }, + { + name: "noImplicitAny", + type: "boolean", + description: ts.Diagnostics.Raise_error_on_expressions_and_declarations_with_an_implied_any_type + }, + { + name: "noLib", + type: "boolean" + }, + { + name: "noResolve", + type: "boolean" + }, + { + name: "skipDefaultLibCheck", + type: "boolean" + }, + { + name: "out", + type: "string", + isFilePath: false, + // for correct behaviour, please use outFile + paramType: ts.Diagnostics.FILE + }, + { + name: "outFile", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Concatenate_and_emit_output_to_single_file, + paramType: ts.Diagnostics.FILE + }, + { + name: "outDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Redirect_output_structure_to_the_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "preserveConstEnums", + type: "boolean", + description: ts.Diagnostics.Do_not_erase_const_enum_declarations_in_generated_code + }, + { + name: "pretty", + paramType: ts.Diagnostics.KIND, + description: ts.Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental, + type: "boolean" + }, + { + name: "project", + shortName: "p", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Compile_the_project_in_the_given_directory, + paramType: ts.Diagnostics.DIRECTORY + }, + { + name: "removeComments", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_comments_to_output + }, + { + name: "rootDir", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_root_directory_of_input_files_Use_to_control_the_output_directory_structure_with_outDir, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "isolatedModules", + type: "boolean" + }, + { + name: "sourceMap", + type: "boolean", + description: ts.Diagnostics.Generates_corresponding_map_file + }, + { + name: "sourceRoot", + type: "string", + isFilePath: true, + description: ts.Diagnostics.Specifies_the_location_where_debugger_should_locate_TypeScript_files_instead_of_source_locations, + paramType: ts.Diagnostics.LOCATION + }, + { + name: "suppressExcessPropertyErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_excess_property_checks_for_object_literals, + experimental: true + }, + { + name: "suppressImplicitAnyIndexErrors", + type: "boolean", + description: ts.Diagnostics.Suppress_noImplicitAny_errors_for_indexing_objects_lacking_index_signatures + }, + { + name: "stripInternal", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_declarations_for_code_that_has_an_internal_annotation, + experimental: true + }, + { + name: "target", + shortName: "t", + type: { + "es3": 0 /* ES3 */, + "es5": 1 /* ES5 */, + "es6": 2 /* ES6 */, + "es2015": 2 /* ES2015 */ + }, + description: ts.Diagnostics.Specify_ECMAScript_target_version_Colon_ES3_default_ES5_or_ES2015_experimental, + paramType: ts.Diagnostics.VERSION, + error: ts.Diagnostics.Argument_for_target_option_must_be_ES3_ES5_or_ES2015 + }, + { + name: "version", + shortName: "v", + type: "boolean", + description: ts.Diagnostics.Print_the_compiler_s_version + }, + { + name: "watch", + shortName: "w", + type: "boolean", + description: ts.Diagnostics.Watch_input_files + }, + { + name: "experimentalDecorators", + type: "boolean", + description: ts.Diagnostics.Enables_experimental_support_for_ES7_decorators + }, + { + name: "emitDecoratorMetadata", + type: "boolean", + experimental: true, + description: ts.Diagnostics.Enables_experimental_support_for_emitting_type_metadata_for_decorators + }, + { + name: "moduleResolution", + type: { + "node": 2 /* NodeJs */, + "classic": 1 /* Classic */ + }, + description: ts.Diagnostics.Specifies_module_resolution_strategy_Colon_node_Node_js_or_classic_TypeScript_pre_1_6, + error: ts.Diagnostics.Argument_for_moduleResolution_option_must_be_node_or_classic + }, + { + name: "allowUnusedLabels", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unused_labels + }, + { + name: "noImplicitReturns", + type: "boolean", + description: ts.Diagnostics.Report_error_when_not_all_code_paths_in_function_return_a_value + }, + { + name: "noFallthroughCasesInSwitch", + type: "boolean", + description: ts.Diagnostics.Report_errors_for_fallthrough_cases_in_switch_statement + }, + { + name: "allowUnreachableCode", + type: "boolean", + description: ts.Diagnostics.Do_not_report_errors_on_unreachable_code + }, + { + name: "forceConsistentCasingInFileNames", + type: "boolean", + description: ts.Diagnostics.Disallow_inconsistently_cased_references_to_the_same_file + }, + { + name: "allowSyntheticDefaultImports", + type: "boolean", + description: ts.Diagnostics.Allow_default_imports_from_modules_with_no_default_export_This_does_not_affect_code_emit_just_typechecking + }, + { + name: "allowJs", + type: "boolean", + description: ts.Diagnostics.Allow_javascript_files_to_be_compiled + }, + { + name: "noImplicitUseStrict", + type: "boolean", + description: ts.Diagnostics.Do_not_emit_use_strict_directives_in_module_output + }, + { + name: "noCustomAsyncPromise", + type: "boolean", + experimental: true + } + ]; + var optionNameMapCache; + /* @internal */ + function getOptionNameMap() { + if (optionNameMapCache) { + return optionNameMapCache; + } + var optionNameMap = {}; + var shortOptionNames = {}; + ts.forEach(ts.optionDeclarations, function (option) { + optionNameMap[option.name.toLowerCase()] = option; + if (option.shortName) { + shortOptionNames[option.shortName] = option.name; + } + }); + optionNameMapCache = { optionNameMap: optionNameMap, shortOptionNames: shortOptionNames }; + return optionNameMapCache; + } + ts.getOptionNameMap = getOptionNameMap; + function parseCommandLine(commandLine, readFile) { + var options = {}; + var fileNames = []; + var errors = []; + var _a = getOptionNameMap(), optionNameMap = _a.optionNameMap, shortOptionNames = _a.shortOptionNames; + parseStrings(commandLine); + return { + options: options, + fileNames: fileNames, + errors: errors + }; + function parseStrings(args) { + var i = 0; + while (i < args.length) { + var s = args[i]; + i++; + if (s.charCodeAt(0) === 64 /* at */) { + parseResponseFile(s.slice(1)); + } + else if (s.charCodeAt(0) === 45 /* minus */) { + s = s.slice(s.charCodeAt(1) === 45 /* minus */ ? 2 : 1).toLowerCase(); + // Try to translate short option names to their full equivalents. + if (ts.hasProperty(shortOptionNames, s)) { + s = shortOptionNames[s]; + } + if (ts.hasProperty(optionNameMap, s)) { + var opt = optionNameMap[s]; + // Check to see if no argument was provided (e.g. "--locale" is the last command-line argument). + if (!args[i] && opt.type !== "boolean") { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_expects_an_argument, opt.name)); + } + switch (opt.type) { + case "number": + options[opt.name] = parseInt(args[i]); + i++; + break; + case "boolean": + options[opt.name] = true; + break; + case "string": + options[opt.name] = args[i] || ""; + i++; + break; + // If not a primitive, the possible types are specified in what is effectively a map of options. + default: + var map_1 = opt.type; + var key = (args[i] || "").toLowerCase(); + i++; + if (ts.hasProperty(map_1, key)) { + options[opt.name] = map_1[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + } + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, s)); + } + } + else { + fileNames.push(s); + } + } + } + function parseResponseFile(fileName) { + var text = readFile ? readFile(fileName) : ts.sys.readFile(fileName); + if (!text) { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.File_0_not_found, fileName)); + return; + } + var args = []; + var pos = 0; + while (true) { + while (pos < text.length && text.charCodeAt(pos) <= 32 /* space */) + pos++; + if (pos >= text.length) + break; + var start = pos; + if (text.charCodeAt(start) === 34 /* doubleQuote */) { + pos++; + while (pos < text.length && text.charCodeAt(pos) !== 34 /* doubleQuote */) + pos++; + if (pos < text.length) { + args.push(text.substring(start + 1, pos)); + pos++; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unterminated_quoted_string_in_response_file_0, fileName)); + } + } + else { + while (text.charCodeAt(pos) > 32 /* space */) + pos++; + args.push(text.substring(start, pos)); + } + } + parseStrings(args); + } + } + ts.parseCommandLine = parseCommandLine; + /** + * Read tsconfig.json file + * @param fileName The path to the config file + */ + function readConfigFile(fileName, readFile) { + var text = ""; + try { + text = readFile(fileName); + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Cannot_read_file_0_Colon_1, fileName, e.message) }; + } + return parseConfigFileTextToJson(fileName, text); + } + ts.readConfigFile = readConfigFile; + /** + * Parse the text of the tsconfig.json file + * @param fileName The path to the config file + * @param jsonText The text of the config file + */ + function parseConfigFileTextToJson(fileName, jsonText) { + try { + var jsonTextWithoutComments = removeComments(jsonText); + return { config: /\S/.test(jsonTextWithoutComments) ? JSON.parse(jsonTextWithoutComments) : {} }; + } + catch (e) { + return { error: ts.createCompilerDiagnostic(ts.Diagnostics.Failed_to_parse_file_0_Colon_1, fileName, e.message) }; + } + } + ts.parseConfigFileTextToJson = parseConfigFileTextToJson; + /** + * Remove the comments from a json like text. + * Comments can be single line comments (starting with # or //) or multiline comments using / * * / + * + * This method replace comment content by whitespace rather than completely remove them to keep positions in json parsing error reporting accurate. + */ + function removeComments(jsonText) { + var output = ""; + var scanner = ts.createScanner(1 /* ES5 */, /* skipTrivia */ false, 0 /* Standard */, jsonText); + var token; + while ((token = scanner.scan()) !== 1 /* EndOfFileToken */) { + switch (token) { + case 2 /* SingleLineCommentTrivia */: + case 3 /* MultiLineCommentTrivia */: + // replace comments with whitespace to preserve original character positions + output += scanner.getTokenText().replace(/\S/g, " "); + break; + default: + output += scanner.getTokenText(); + break; + } + } + return output; + } + /** + * Parse the contents of a config file (tsconfig.json). + * @param json The contents of the config file to parse + * @param host Instance of ParseConfigHost used to enumerate files in folder. + * @param basePath A root directory to resolve relative path entries in the config + * file to. e.g. outDir + */ + function parseJsonConfigFileContent(json, host, basePath, existingOptions, configFileName) { + if (existingOptions === void 0) { existingOptions = {}; } + var _a = convertCompilerOptionsFromJson(json["compilerOptions"], basePath, configFileName), optionsFromJsonConfigFile = _a.options, errors = _a.errors; + var options = ts.extend(existingOptions, optionsFromJsonConfigFile); + return { + options: options, + fileNames: getFileNames(), + errors: errors + }; + function getFileNames() { + var fileNames = []; + if (ts.hasProperty(json, "files")) { + if (json["files"] instanceof Array) { + fileNames = ts.map(json["files"], function (s) { return ts.combinePaths(basePath, s); }); + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, "files", "Array")); + } + } + else { + var filesSeen = {}; + var exclude = []; + if (json["exclude"] instanceof Array) { + exclude = json["exclude"]; + } + else { + // by default exclude node_modules, and any specificied output directory + exclude = ["node_modules"]; + var outDir = json["compilerOptions"] && json["compilerOptions"]["outDir"]; + if (outDir) { + exclude.push(outDir); + } + } + exclude = ts.map(exclude, ts.normalizeSlashes); + var supportedExtensions = ts.getSupportedExtensions(options); + ts.Debug.assert(ts.indexOf(supportedExtensions, ".ts") < ts.indexOf(supportedExtensions, ".d.ts"), "Changed priority of extensions to pick"); + // Get files of supported extensions in their order of resolution + for (var _i = 0, supportedExtensions_1 = supportedExtensions; _i < supportedExtensions_1.length; _i++) { + var extension = supportedExtensions_1[_i]; + var filesInDirWithExtension = host.readDirectory(basePath, extension, exclude); + for (var _a = 0, filesInDirWithExtension_1 = filesInDirWithExtension; _a < filesInDirWithExtension_1.length; _a++) { + var fileName = filesInDirWithExtension_1[_a]; + // .ts extension would read the .d.ts extension files too but since .d.ts is lower priority extension, + // lets pick them when its turn comes up + if (extension === ".ts" && ts.fileExtensionIs(fileName, ".d.ts")) { + continue; + } + // Skip over any minified JavaScript files (ending in ".min.js") + if (/\.min\.js$/.test(fileName)) { + continue; + } + // If this is one of the output extension (which would be .d.ts and .js if we are allowing compilation of js files) + // do not include this file if we included .ts or .tsx file with same base name as it could be output of the earlier compilation + if (extension === ".d.ts" || (options.allowJs && ts.contains(ts.supportedJavascriptExtensions, extension))) { + var baseName = fileName.substr(0, fileName.length - extension.length); + if (ts.hasProperty(filesSeen, baseName + ".ts") || ts.hasProperty(filesSeen, baseName + ".tsx")) { + continue; + } + } + filesSeen[fileName] = true; + fileNames.push(fileName); + } + } + } + return fileNames; + } + } + ts.parseJsonConfigFileContent = parseJsonConfigFileContent; + function convertCompilerOptionsFromJson(jsonOptions, basePath, configFileName) { + var options = {}; + var errors = []; + if (configFileName && ts.getBaseFileName(configFileName) === "jsconfig.json") { + options.allowJs = true; + } + if (!jsonOptions) { + return { options: options, errors: errors }; + } + var optionNameMap = ts.arrayToMap(ts.optionDeclarations, function (opt) { return opt.name; }); + for (var id in jsonOptions) { + if (ts.hasProperty(optionNameMap, id)) { + var opt = optionNameMap[id]; + var optType = opt.type; + var value = jsonOptions[id]; + var expectedType = typeof optType === "string" ? optType : "string"; + if (typeof value === expectedType) { + if (typeof optType !== "string") { + var key = value.toLowerCase(); + if (ts.hasProperty(optType, key)) { + value = optType[key]; + } + else { + errors.push(ts.createCompilerDiagnostic(opt.error)); + value = 0; + } + } + if (opt.isFilePath) { + value = ts.normalizePath(ts.combinePaths(basePath, value)); + if (value === "") { + value = "."; + } + } + options[opt.name] = value; + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Compiler_option_0_requires_a_value_of_type_1, id, expectedType)); + } + } + else { + errors.push(ts.createCompilerDiagnostic(ts.Diagnostics.Unknown_compiler_option_0, id)); + } + } + return { options: options, errors: errors }; + } + ts.convertCompilerOptionsFromJson = convertCompilerOptionsFromJson; +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var OutliningElementsCollector; + (function (OutliningElementsCollector) { + function collectElements(sourceFile) { + var elements = []; + var collapseText = "..."; + function addOutliningSpan(hintSpanNode, startElement, endElement, autoCollapse) { + if (hintSpanNode && startElement && endElement) { + var span = { + textSpan: ts.createTextSpanFromBounds(startElement.pos, endElement.end), + hintSpan: ts.createTextSpanFromBounds(hintSpanNode.getStart(), hintSpanNode.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningSpanComments(commentSpan, autoCollapse) { + if (commentSpan) { + var span = { + textSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + hintSpan: ts.createTextSpanFromBounds(commentSpan.pos, commentSpan.end), + bannerText: collapseText, + autoCollapse: autoCollapse + }; + elements.push(span); + } + } + function addOutliningForLeadingCommentsForNode(n) { + var comments = ts.getLeadingCommentRangesOfNode(n, sourceFile); + if (comments) { + var firstSingleLineCommentStart = -1; + var lastSingleLineCommentEnd = -1; + var isFirstSingleLineComment = true; + var singleLineCommentCount = 0; + for (var _i = 0, comments_2 = comments; _i < comments_2.length; _i++) { + var currentComment = comments_2[_i]; + // For single line comments, combine consecutive ones (2 or more) into + // a single span from the start of the first till the end of the last + if (currentComment.kind === 2 /* SingleLineCommentTrivia */) { + if (isFirstSingleLineComment) { + firstSingleLineCommentStart = currentComment.pos; + } + isFirstSingleLineComment = false; + lastSingleLineCommentEnd = currentComment.end; + singleLineCommentCount++; + } + else if (currentComment.kind === 3 /* MultiLineCommentTrivia */) { + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + addOutliningSpanComments(currentComment, /*autoCollapse*/ false); + singleLineCommentCount = 0; + lastSingleLineCommentEnd = -1; + isFirstSingleLineComment = true; + } + } + combineAndAddMultipleSingleLineComments(singleLineCommentCount, firstSingleLineCommentStart, lastSingleLineCommentEnd); + } + } + function combineAndAddMultipleSingleLineComments(count, start, end) { + // Only outline spans of two or more consecutive single line comments + if (count > 1) { + var multipleSingleLineComments = { + pos: start, + end: end, + kind: 2 /* SingleLineCommentTrivia */ + }; + addOutliningSpanComments(multipleSingleLineComments, /*autoCollapse*/ false); + } + } + function autoCollapse(node) { + return ts.isFunctionBlock(node) && node.parent.kind !== 177 /* ArrowFunction */; + } + var depth = 0; + var maxDepth = 20; + function walk(n) { + if (depth > maxDepth) { + return; + } + if (ts.isDeclaration(n)) { + addOutliningForLeadingCommentsForNode(n); + } + switch (n.kind) { + case 195 /* Block */: + if (!ts.isFunctionBlock(n)) { + var parent_9 = n.parent; + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + // Check if the block is standalone, or 'attached' to some parent statement. + // If the latter, we want to collaps the block, but consider its hint span + // to be the entire span of the parent. + if (parent_9.kind === 200 /* DoStatement */ || + parent_9.kind === 203 /* ForInStatement */ || + parent_9.kind === 204 /* ForOfStatement */ || + parent_9.kind === 202 /* ForStatement */ || + parent_9.kind === 199 /* IfStatement */ || + parent_9.kind === 201 /* WhileStatement */ || + parent_9.kind === 208 /* WithStatement */ || + parent_9.kind === 247 /* CatchClause */) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + if (parent_9.kind === 212 /* TryStatement */) { + // Could be the try-block, or the finally-block. + var tryStatement = parent_9; + if (tryStatement.tryBlock === n) { + addOutliningSpan(parent_9, openBrace, closeBrace, autoCollapse(n)); + break; + } + else if (tryStatement.finallyBlock === n) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); + if (finallyKeyword) { + addOutliningSpan(finallyKeyword, openBrace, closeBrace, autoCollapse(n)); + break; + } + } + } + // Block was a standalone block. In this case we want to only collapse + // the span of the block, independent of any parent span. + var span = ts.createTextSpanFromBounds(n.getStart(), n.end); + elements.push({ + textSpan: span, + hintSpan: span, + bannerText: collapseText, + autoCollapse: autoCollapse(n) + }); + break; + } + // Fallthrough. + case 222 /* ModuleBlock */: { + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + addOutliningSpan(n.parent, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 223 /* CaseBlock */: { + var openBrace = ts.findChildOfKind(n, 15 /* OpenBraceToken */, sourceFile); + var closeBrace = ts.findChildOfKind(n, 16 /* CloseBraceToken */, sourceFile); + addOutliningSpan(n, openBrace, closeBrace, autoCollapse(n)); + break; + } + case 167 /* ArrayLiteralExpression */: + var openBracket = ts.findChildOfKind(n, 19 /* OpenBracketToken */, sourceFile); + var closeBracket = ts.findChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); + addOutliningSpan(n, openBracket, closeBracket, autoCollapse(n)); + break; + } + depth++; + ts.forEachChild(n, walk); + depth--; + } + walk(sourceFile); + return elements; + } + OutliningElementsCollector.collectElements = collectElements; + })(OutliningElementsCollector = ts.OutliningElementsCollector || (ts.OutliningElementsCollector = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + var NavigateTo; + (function (NavigateTo) { + function getNavigateToItems(program, cancellationToken, searchValue, maxResultCount) { + var patternMatcher = ts.createPatternMatcher(searchValue); + var rawItems = []; + // This means "compare in a case insensitive manner." + var baseSensitivity = { sensitivity: "base" }; + // Search the declarations in all files and output matched NavigateToItem into array of NavigateToItem[] + ts.forEach(program.getSourceFiles(), function (sourceFile) { + cancellationToken.throwIfCancellationRequested(); + var nameToDeclarations = sourceFile.getNamedDeclarations(); + for (var name_32 in nameToDeclarations) { + var declarations = ts.getProperty(nameToDeclarations, name_32); + if (declarations) { + // First do a quick check to see if the name of the declaration matches the + // last portion of the (possibly) dotted name they're searching for. + var matches = patternMatcher.getMatchesForLastSegmentOfPattern(name_32); + if (!matches) { + continue; + } + for (var _i = 0, declarations_6 = declarations; _i < declarations_6.length; _i++) { + var declaration = declarations_6[_i]; + // It was a match! If the pattern has dots in it, then also see if the + // declaration container matches as well. + if (patternMatcher.patternContainsDots) { + var containers = getContainers(declaration); + if (!containers) { + return undefined; + } + matches = patternMatcher.getMatches(containers, name_32); + if (!matches) { + continue; + } + } + var fileName = sourceFile.fileName; + var matchKind = bestMatchKind(matches); + rawItems.push({ name: name_32, fileName: fileName, matchKind: matchKind, isCaseSensitive: allMatchesAreCaseSensitive(matches), declaration: declaration }); + } + } + } + }); + rawItems.sort(compareNavigateToItems); + if (maxResultCount !== undefined) { + rawItems = rawItems.slice(0, maxResultCount); + } + var items = ts.map(rawItems, createNavigateToItem); + return items; + function allMatchesAreCaseSensitive(matches) { + ts.Debug.assert(matches.length > 0); + // This is a case sensitive match, only if all the submatches were case sensitive. + for (var _i = 0, matches_1 = matches; _i < matches_1.length; _i++) { + var match = matches_1[_i]; + if (!match.isCaseSensitive) { + return false; + } + } + return true; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 9 /* StringLiteral */ || + node.kind === 8 /* NumericLiteral */) { + return node.text; + } + } + return undefined; + } + function tryAddSingleDeclarationName(declaration, containers) { + if (declaration && declaration.name) { + var text = getTextOfIdentifierOrLiteral(declaration.name); + if (text !== undefined) { + containers.unshift(text); + } + else if (declaration.name.kind === 137 /* ComputedPropertyName */) { + return tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ true); + } + else { + // Don't know how to add this. + return false; + } + } + return true; + } + // Only added the names of computed properties if they're simple dotted expressions, like: + // + // [X.Y.Z]() { } + function tryAddComputedPropertyName(expression, containers, includeLastPortion) { + var text = getTextOfIdentifierOrLiteral(expression); + if (text !== undefined) { + if (includeLastPortion) { + containers.unshift(text); + } + return true; + } + if (expression.kind === 169 /* PropertyAccessExpression */) { + var propertyAccess = expression; + if (includeLastPortion) { + containers.unshift(propertyAccess.name.text); + } + return tryAddComputedPropertyName(propertyAccess.expression, containers, /*includeLastPortion*/ true); + } + return false; + } + function getContainers(declaration) { + var containers = []; + // First, if we started with a computed property name, then add all but the last + // portion into the container array. + if (declaration.name.kind === 137 /* ComputedPropertyName */) { + if (!tryAddComputedPropertyName(declaration.name.expression, containers, /*includeLastPortion*/ false)) { + return undefined; + } + } + // Now, walk up our containers, adding all their names to the container array. + declaration = ts.getContainerNode(declaration); + while (declaration) { + if (!tryAddSingleDeclarationName(declaration, containers)) { + return undefined; + } + declaration = ts.getContainerNode(declaration); + } + return containers; + } + function bestMatchKind(matches) { + ts.Debug.assert(matches.length > 0); + var bestMatchKind = ts.PatternMatchKind.camelCase; + for (var _i = 0, matches_2 = matches; _i < matches_2.length; _i++) { + var match = matches_2[_i]; + var kind = match.kind; + if (kind < bestMatchKind) { + bestMatchKind = kind; + } + } + return bestMatchKind; + } + function compareNavigateToItems(i1, i2) { + // TODO(cyrusn): get the gamut of comparisons that VS already uses here. + // Right now we just sort by kind first, and then by name of the item. + // We first sort case insensitively. So "Aaa" will come before "bar". + // Then we sort case sensitively, so "aaa" will come before "Aaa". + return i1.matchKind - i2.matchKind || + i1.name.localeCompare(i2.name, undefined, baseSensitivity) || + i1.name.localeCompare(i2.name); + } + function createNavigateToItem(rawItem) { + var declaration = rawItem.declaration; + var container = ts.getContainerNode(declaration); + return { + name: rawItem.name, + kind: ts.getNodeKind(declaration), + kindModifiers: ts.getNodeModifiers(declaration), + matchKind: ts.PatternMatchKind[rawItem.matchKind], + isCaseSensitive: rawItem.isCaseSensitive, + fileName: rawItem.fileName, + textSpan: ts.createTextSpanFromBounds(declaration.getStart(), declaration.getEnd()), + // TODO(jfreeman): What should be the containerName when the container has a computed name? + containerName: container && container.name ? container.name.text : "", + containerKind: container && container.name ? ts.getNodeKind(container) : "" + }; + } + } + NavigateTo.getNavigateToItems = getNavigateToItems; + })(NavigateTo = ts.NavigateTo || (ts.NavigateTo = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var NavigationBar; + (function (NavigationBar) { + function getNavigationBarItems(sourceFile, compilerOptions) { + // If the source file has any child items, then it included in the tree + // and takes lexical ownership of all other top-level items. + var hasGlobalNode = false; + return getItemsWorker(getTopLevelNodes(sourceFile), createTopLevelItem); + function getIndent(node) { + // If we have a global node in the tree, + // then it adds an extra layer of depth to all subnodes. + var indent = hasGlobalNode ? 1 : 0; + var current = node.parent; + while (current) { + switch (current.kind) { + case 221 /* ModuleDeclaration */: + // If we have a module declared as A.B.C, it is more "intuitive" + // to say it only has a single layer of depth + do { + current = current.parent; + } while (current.kind === 221 /* ModuleDeclaration */); + // fall through + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + indent++; + } + current = current.parent; + } + return indent; + } + function getChildNodes(nodes) { + var childNodes = []; + function visit(node) { + switch (node.kind) { + case 196 /* VariableStatement */: + ts.forEach(node.declarationList.declarations, visit); + break; + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + ts.forEach(node.elements, visit); + break; + case 231 /* ExportDeclaration */: + // Handle named exports case e.g.: + // export {a, b as B} from "mod"; + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225 /* ImportDeclaration */: + var importClause = node.importClause; + if (importClause) { + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + childNodes.push(importClause); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + childNodes.push(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + case 166 /* BindingElement */: + case 214 /* VariableDeclaration */: + if (ts.isBindingPattern(node.name)) { + visit(node.name); + break; + } + // Fall through + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + case 221 /* ModuleDeclaration */: + case 216 /* FunctionDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 233 /* ExportSpecifier */: + childNodes.push(node); + break; + } + } + //for (let i = 0, n = nodes.length; i < n; i++) { + // let node = nodes[i]; + // if (node.kind === SyntaxKind.ClassDeclaration || + // node.kind === SyntaxKind.EnumDeclaration || + // node.kind === SyntaxKind.InterfaceDeclaration || + // node.kind === SyntaxKind.ModuleDeclaration || + // node.kind === SyntaxKind.FunctionDeclaration) { + // childNodes.push(node); + // } + // else if (node.kind === SyntaxKind.VariableStatement) { + // childNodes.push.apply(childNodes, (node).declarations); + // } + //} + ts.forEach(nodes, visit); + return sortNodes(childNodes); + } + function getTopLevelNodes(node) { + var topLevelNodes = []; + topLevelNodes.push(node); + addTopLevelNodes(node.statements, topLevelNodes); + return topLevelNodes; + } + function sortNodes(nodes) { + return nodes.slice(0).sort(function (n1, n2) { + if (n1.name && n2.name) { + return ts.getPropertyNameForPropertyNameNode(n1.name).localeCompare(ts.getPropertyNameForPropertyNameNode(n2.name)); + } + else if (n1.name) { + return 1; + } + else if (n2.name) { + return -1; + } + else { + return n1.kind - n2.kind; + } + }); + } + function addTopLevelNodes(nodes, topLevelNodes) { + nodes = sortNodes(nodes); + for (var _i = 0, nodes_4 = nodes; _i < nodes_4.length; _i++) { + var node = nodes_4[_i]; + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 218 /* InterfaceDeclaration */: + topLevelNodes.push(node); + break; + case 221 /* ModuleDeclaration */: + var moduleDeclaration = node; + topLevelNodes.push(node); + addTopLevelNodes(getInnermostModule(moduleDeclaration).body.statements, topLevelNodes); + break; + case 216 /* FunctionDeclaration */: + var functionDeclaration = node; + if (isTopLevelFunctionDeclaration(functionDeclaration)) { + topLevelNodes.push(node); + addTopLevelNodes(functionDeclaration.body.statements, topLevelNodes); + } + break; + } + } + } + function isTopLevelFunctionDeclaration(functionDeclaration) { + if (functionDeclaration.kind === 216 /* FunctionDeclaration */) { + // A function declaration is 'top level' if it contains any function declarations + // within it. + if (functionDeclaration.body && functionDeclaration.body.kind === 195 /* Block */) { + // Proper function declarations can only have identifier names + if (ts.forEach(functionDeclaration.body.statements, function (s) { return s.kind === 216 /* FunctionDeclaration */ && !isEmpty(s.name.text); })) { + return true; + } + // Or if it is not parented by another function. i.e all functions + // at module scope are 'top level'. + if (!ts.isFunctionBlock(functionDeclaration.parent)) { + return true; + } + } + } + return false; + } + function getItemsWorker(nodes, createItem) { + var items = []; + var keyToItem = {}; + for (var _i = 0, nodes_5 = nodes; _i < nodes_5.length; _i++) { + var child = nodes_5[_i]; + var item = createItem(child); + if (item !== undefined) { + if (item.text.length > 0) { + var key = item.text + "-" + item.kind + "-" + item.indent; + var itemWithSameName = keyToItem[key]; + if (itemWithSameName) { + // We had an item with the same name. Merge these items together. + merge(itemWithSameName, item); + } + else { + keyToItem[key] = item; + items.push(item); + } + } + } + } + return items; + } + function merge(target, source) { + // First, add any spans in the source to the target. + ts.addRange(target.spans, source.spans); + if (source.childItems) { + if (!target.childItems) { + target.childItems = []; + } + // Next, recursively merge or add any children in the source as appropriate. + outer: for (var _i = 0, _a = source.childItems; _i < _a.length; _i++) { + var sourceChild = _a[_i]; + for (var _b = 0, _c = target.childItems; _b < _c.length; _b++) { + var targetChild = _c[_b]; + if (targetChild.text === sourceChild.text && targetChild.kind === sourceChild.kind) { + // Found a match. merge them. + merge(targetChild, sourceChild); + continue outer; + } + } + // Didn't find a match, just add this child to the list. + target.childItems.push(sourceChild); + } + } + } + function createChildItem(node) { + switch (node.kind) { + case 139 /* Parameter */: + if (ts.isBindingPattern(node.name)) { + break; + } + if ((node.flags & 1022 /* Modifier */) === 0) { + return undefined; + } + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberFunctionElement); + case 146 /* GetAccessor */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberGetAccessorElement); + case 147 /* SetAccessor */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberSetAccessorElement); + case 150 /* IndexSignature */: + return createItem(node, "[]", ts.ScriptElementKind.indexSignatureElement); + case 250 /* EnumMember */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 148 /* CallSignature */: + return createItem(node, "()", ts.ScriptElementKind.callSignatureElement); + case 149 /* ConstructSignature */: + return createItem(node, "new()", ts.ScriptElementKind.constructSignatureElement); + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.memberVariableElement); + case 216 /* FunctionDeclaration */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.functionElement); + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + var variableDeclarationNode = void 0; + var name_33; + if (node.kind === 166 /* BindingElement */) { + name_33 = node.name; + variableDeclarationNode = node; + // binding elements are added only for variable declarations + // bubble up to the containing variable declaration + while (variableDeclarationNode && variableDeclarationNode.kind !== 214 /* VariableDeclaration */) { + variableDeclarationNode = variableDeclarationNode.parent; + } + ts.Debug.assert(variableDeclarationNode !== undefined); + } + else { + ts.Debug.assert(!ts.isBindingPattern(node.name)); + variableDeclarationNode = node; + name_33 = node.name; + } + if (ts.isConst(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.constElement); + } + else if (ts.isLet(variableDeclarationNode)) { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.letElement); + } + else { + return createItem(node, getTextOfNode(name_33), ts.ScriptElementKind.variableElement); + } + case 145 /* Constructor */: + return createItem(node, "constructor", ts.ScriptElementKind.constructorImplementationElement); + case 233 /* ExportSpecifier */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + return createItem(node, getTextOfNode(node.name), ts.ScriptElementKind.alias); + } + return undefined; + function createItem(node, name, scriptElementKind) { + return getNavigationBarItem(name, scriptElementKind, ts.getNodeModifiers(node), [getNodeSpan(node)]); + } + } + function isEmpty(text) { + return !text || text.trim() === ""; + } + function getNavigationBarItem(text, kind, kindModifiers, spans, childItems, indent) { + if (childItems === void 0) { childItems = []; } + if (indent === void 0) { indent = 0; } + if (isEmpty(text)) { + return undefined; + } + return { + text: text, + kind: kind, + kindModifiers: kindModifiers, + spans: spans, + childItems: childItems, + indent: indent, + bolded: false, + grayed: false + }; + } + function createTopLevelItem(node) { + switch (node.kind) { + case 251 /* SourceFile */: + return createSourceFileItem(node); + case 217 /* ClassDeclaration */: + return createClassItem(node); + case 220 /* EnumDeclaration */: + return createEnumItem(node); + case 218 /* InterfaceDeclaration */: + return createIterfaceItem(node); + case 221 /* ModuleDeclaration */: + return createModuleItem(node); + case 216 /* FunctionDeclaration */: + return createFunctionItem(node); + } + return undefined; + function getModuleName(moduleDeclaration) { + // We want to maintain quotation marks. + if (ts.isAmbientModule(moduleDeclaration)) { + return getTextOfNode(moduleDeclaration.name); + } + // Otherwise, we need to aggregate each identifier to build up the qualified name. + var result = []; + result.push(moduleDeclaration.name.text); + while (moduleDeclaration.body && moduleDeclaration.body.kind === 221 /* ModuleDeclaration */) { + moduleDeclaration = moduleDeclaration.body; + result.push(moduleDeclaration.name.text); + } + return result.join("."); + } + function createModuleItem(node) { + var moduleName = getModuleName(node); + var childItems = getItemsWorker(getChildNodes(getInnermostModule(node).body.statements), createChildItem); + return getNavigationBarItem(moduleName, ts.ScriptElementKind.moduleElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createFunctionItem(node) { + if (node.body && node.body.kind === 195 /* Block */) { + var childItems = getItemsWorker(sortNodes(node.body.statements), createChildItem); + return getNavigationBarItem(!node.name ? "default" : node.name.text, ts.ScriptElementKind.functionElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + return undefined; + } + function createSourceFileItem(node) { + var childItems = getItemsWorker(getChildNodes(node.statements), createChildItem); + if (childItems === undefined || childItems.length === 0) { + return undefined; + } + hasGlobalNode = true; + var rootName = ts.isExternalModule(node) + ? "\"" + ts.escapeString(ts.getBaseFileName(ts.removeFileExtension(ts.normalizePath(node.fileName)))) + "\"" + : ""; + return getNavigationBarItem(rootName, ts.ScriptElementKind.moduleElement, ts.ScriptElementKindModifier.none, [getNodeSpan(node)], childItems); + } + function createClassItem(node) { + var childItems; + if (node.members) { + var constructor = ts.forEach(node.members, function (member) { + return member.kind === 145 /* Constructor */ && member; + }); + // Add the constructor parameters in as children of the class (for property parameters). + // Note that *all non-binding pattern named* parameters will be added to the nodes array, but parameters that + // are not properties will be filtered out later by createChildItem. + var nodes = removeDynamicallyNamedProperties(node); + if (constructor) { + ts.addRange(nodes, ts.filter(constructor.parameters, function (p) { return !ts.isBindingPattern(p.name); })); + } + childItems = getItemsWorker(sortNodes(nodes), createChildItem); + } + var nodeName = !node.name ? "default" : node.name.text; + return getNavigationBarItem(nodeName, ts.ScriptElementKind.classElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createEnumItem(node) { + var childItems = getItemsWorker(sortNodes(removeComputedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.enumElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + function createIterfaceItem(node) { + var childItems = getItemsWorker(sortNodes(removeDynamicallyNamedProperties(node)), createChildItem); + return getNavigationBarItem(node.name.text, ts.ScriptElementKind.interfaceElement, ts.getNodeModifiers(node), [getNodeSpan(node)], childItems, getIndent(node)); + } + } + function removeComputedProperties(node) { + return ts.filter(node.members, function (member) { return member.name === undefined || member.name.kind !== 137 /* ComputedPropertyName */; }); + } + /** + * Like removeComputedProperties, but retains the properties with well known symbol names + */ + function removeDynamicallyNamedProperties(node) { + return ts.filter(node.members, function (member) { return !ts.hasDynamicName(member); }); + } + function getInnermostModule(node) { + while (node.body.kind === 221 /* ModuleDeclaration */) { + node = node.body; + } + return node; + } + function getNodeSpan(node) { + return node.kind === 251 /* SourceFile */ + ? ts.createTextSpanFromBounds(node.getFullStart(), node.getEnd()) + : ts.createTextSpanFromBounds(node.getStart(), node.getEnd()); + } + function getTextOfNode(node) { + return ts.getTextOfNodeFromSourceText(sourceFile.text, node); + } + } + NavigationBar.getNavigationBarItems = getNavigationBarItems; + })(NavigationBar = ts.NavigationBar || (ts.NavigationBar = {})); +})(ts || (ts = {})); +/* @internal */ +var ts; +(function (ts) { + // Note(cyrusn): this enum is ordered from strongest match type to weakest match type. + (function (PatternMatchKind) { + PatternMatchKind[PatternMatchKind["exact"] = 0] = "exact"; + PatternMatchKind[PatternMatchKind["prefix"] = 1] = "prefix"; + PatternMatchKind[PatternMatchKind["substring"] = 2] = "substring"; + PatternMatchKind[PatternMatchKind["camelCase"] = 3] = "camelCase"; + })(ts.PatternMatchKind || (ts.PatternMatchKind = {})); + var PatternMatchKind = ts.PatternMatchKind; + function createPatternMatch(kind, punctuationStripped, isCaseSensitive, camelCaseWeight) { + return { + kind: kind, + punctuationStripped: punctuationStripped, + isCaseSensitive: isCaseSensitive, + camelCaseWeight: camelCaseWeight + }; + } + function createPatternMatcher(pattern) { + // We'll often see the same candidate string many times when searching (For example, when + // we see the name of a module that is used everywhere, or the name of an overload). As + // such, we cache the information we compute about the candidate for the life of this + // pattern matcher so we don't have to compute it multiple times. + var stringToWordSpans = {}; + pattern = pattern.trim(); + var dotSeparatedSegments = pattern.split(".").map(function (p) { return createSegment(p.trim()); }); + var invalidPattern = dotSeparatedSegments.length === 0 || ts.forEach(dotSeparatedSegments, segmentIsInvalid); + return { + getMatches: getMatches, + getMatchesForLastSegmentOfPattern: getMatchesForLastSegmentOfPattern, + patternContainsDots: dotSeparatedSegments.length > 1 + }; + // Quick checks so we can bail out when asked to match a candidate. + function skipMatch(candidate) { + return invalidPattern || !candidate; + } + function getMatchesForLastSegmentOfPattern(candidate) { + if (skipMatch(candidate)) { + return undefined; + } + return matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + } + function getMatches(candidateContainers, candidate) { + if (skipMatch(candidate)) { + return undefined; + } + // First, check that the last part of the dot separated pattern matches the name of the + // candidate. If not, then there's no point in proceeding and doing the more + // expensive work. + var candidateMatch = matchSegment(candidate, ts.lastOrUndefined(dotSeparatedSegments)); + if (!candidateMatch) { + return undefined; + } + candidateContainers = candidateContainers || []; + // -1 because the last part was checked against the name, and only the rest + // of the parts are checked against the container. + if (dotSeparatedSegments.length - 1 > candidateContainers.length) { + // There weren't enough container parts to match against the pattern parts. + // So this definitely doesn't match. + return undefined; + } + // So far so good. Now break up the container for the candidate and check if all + // the dotted parts match up correctly. + var totalMatch = candidateMatch; + for (var i = dotSeparatedSegments.length - 2, j = candidateContainers.length - 1; i >= 0; i -= 1, j -= 1) { + var segment = dotSeparatedSegments[i]; + var containerName = candidateContainers[j]; + var containerMatch = matchSegment(containerName, segment); + if (!containerMatch) { + // This container didn't match the pattern piece. So there's no match at all. + return undefined; + } + ts.addRange(totalMatch, containerMatch); + } + // Success, this symbol's full name matched against the dotted name the user was asking + // about. + return totalMatch; + } + function getWordSpans(word) { + if (!ts.hasProperty(stringToWordSpans, word)) { + stringToWordSpans[word] = breakIntoWordSpans(word); + } + return stringToWordSpans[word]; + } + function matchTextChunk(candidate, chunk, punctuationStripped) { + var index = indexOfIgnoringCase(candidate, chunk.textLowerCase); + if (index === 0) { + if (chunk.text.length === candidate.length) { + // a) Check if the part matches the candidate entirely, in an case insensitive or + // sensitive manner. If it does, return that there was an exact match. + return createPatternMatch(PatternMatchKind.exact, punctuationStripped, /*isCaseSensitive:*/ candidate === chunk.text); + } + else { + // b) Check if the part is a prefix of the candidate, in a case insensitive or sensitive + // manner. If it does, return that there was a prefix match. + return createPatternMatch(PatternMatchKind.prefix, punctuationStripped, /*isCaseSensitive:*/ startsWith(candidate, chunk.text)); + } + } + var isLowercase = chunk.isLowerCase; + if (isLowercase) { + if (index > 0) { + // c) If the part is entirely lowercase, then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of some + // word part. That way we don't match something like 'Class' when the user types 'a'. + // But we would match 'FooAttribute' (since 'Attribute' starts with 'a'). + var wordSpans = getWordSpans(candidate); + for (var _i = 0, wordSpans_1 = wordSpans; _i < wordSpans_1.length; _i++) { + var span = wordSpans_1[_i]; + if (partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ true)) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, + /*isCaseSensitive:*/ partStartsWith(candidate, span, chunk.text, /*ignoreCase:*/ false)); + } + } + } + } + else { + // d) If the part was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + if (candidate.indexOf(chunk.text) > 0) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ true); + } + } + if (!isLowercase) { + // e) If the part was not entirely lowercase, then attempt a camel cased match as well. + if (chunk.characterSpans.length > 0) { + var candidateParts = getWordSpans(candidate); + var camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ false); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ true, /*camelCaseWeight:*/ camelCaseWeight); + } + camelCaseWeight = tryCamelCaseMatch(candidate, candidateParts, chunk, /*ignoreCase:*/ true); + if (camelCaseWeight !== undefined) { + return createPatternMatch(PatternMatchKind.camelCase, punctuationStripped, /*isCaseSensitive:*/ false, /*camelCaseWeight:*/ camelCaseWeight); + } + } + } + if (isLowercase) { + // f) Is the pattern a substring of the candidate starting on one of the candidate's word boundaries? + // We could check every character boundary start of the candidate for the pattern. However, that's + // an m * n operation in the wost case. Instead, find the first instance of the pattern + // substring, and see if it starts on a capital letter. It seems unlikely that the user will try to + // filter the list based on a substring that starts on a capital letter and also with a lowercase one. + // (Pattern: fogbar, Candidate: quuxfogbarFogBar). + if (chunk.text.length < candidate.length) { + if (index > 0 && isUpperCaseLetter(candidate.charCodeAt(index))) { + return createPatternMatch(PatternMatchKind.substring, punctuationStripped, /*isCaseSensitive:*/ false); + } + } + } + return undefined; + } + function containsSpaceOrAsterisk(text) { + for (var i = 0; i < text.length; i++) { + var ch = text.charCodeAt(i); + if (ch === 32 /* space */ || ch === 42 /* asterisk */) { + return true; + } + } + return false; + } + function matchSegment(candidate, segment) { + // First check if the segment matches as is. This is also useful if the segment contains + // characters we would normally strip when splitting into parts that we also may want to + // match in the candidate. For example if the segment is "@int" and the candidate is + // "@int", then that will show up as an exact match here. + // + // Note: if the segment contains a space or an asterisk then we must assume that it's a + // multi-word segment. + if (!containsSpaceOrAsterisk(segment.totalTextChunk.text)) { + var match = matchTextChunk(candidate, segment.totalTextChunk, /*punctuationStripped:*/ false); + if (match) { + return [match]; + } + } + // The logic for pattern matching is now as follows: + // + // 1) Break the segment passed in into words. Breaking is rather simple and a + // good way to think about it that if gives you all the individual alphanumeric words + // of the pattern. + // + // 2) For each word try to match the word against the candidate value. + // + // 3) Matching is as follows: + // + // a) Check if the word matches the candidate entirely, in an case insensitive or + // sensitive manner. If it does, return that there was an exact match. + // + // b) Check if the word is a prefix of the candidate, in a case insensitive or + // sensitive manner. If it does, return that there was a prefix match. + // + // c) If the word is entirely lowercase, then check if it is contained anywhere in the + // candidate in a case insensitive manner. If so, return that there was a substring + // match. + // + // Note: We only have a substring match if the lowercase part is prefix match of + // some word part. That way we don't match something like 'Class' when the user + // types 'a'. But we would match 'FooAttribute' (since 'Attribute' starts with + // 'a'). + // + // d) If the word was not entirely lowercase, then check if it is contained in the + // candidate in a case *sensitive* manner. If so, return that there was a substring + // match. + // + // e) If the word was not entirely lowercase, then attempt a camel cased match as + // well. + // + // f) The word is all lower case. Is it a case insensitive substring of the candidate starting + // on a part boundary of the candidate? + // + // Only if all words have some sort of match is the pattern considered matched. + var subWordTextChunks = segment.subWordTextChunks; + var matches = undefined; + for (var _i = 0, subWordTextChunks_1 = subWordTextChunks; _i < subWordTextChunks_1.length; _i++) { + var subWordTextChunk = subWordTextChunks_1[_i]; + // Try to match the candidate with this word + var result = matchTextChunk(candidate, subWordTextChunk, /*punctuationStripped:*/ true); + if (!result) { + return undefined; + } + matches = matches || []; + matches.push(result); + } + return matches; + } + function partStartsWith(candidate, candidateSpan, pattern, ignoreCase, patternSpan) { + var patternPartStart = patternSpan ? patternSpan.start : 0; + var patternPartLength = patternSpan ? patternSpan.length : pattern.length; + if (patternPartLength > candidateSpan.length) { + // Pattern part is longer than the candidate part. There can never be a match. + return false; + } + if (ignoreCase) { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (toLowerCase(ch1) !== toLowerCase(ch2)) { + return false; + } + } + } + else { + for (var i = 0; i < patternPartLength; i++) { + var ch1 = pattern.charCodeAt(patternPartStart + i); + var ch2 = candidate.charCodeAt(candidateSpan.start + i); + if (ch1 !== ch2) { + return false; + } + } + } + return true; + } + function tryCamelCaseMatch(candidate, candidateParts, chunk, ignoreCase) { + var chunkCharacterSpans = chunk.characterSpans; + // Note: we may have more pattern parts than candidate parts. This is because multiple + // pattern parts may match a candidate part. For example "SiUI" against "SimpleUI". + // We'll have 3 pattern parts Si/U/I against two candidate parts Simple/UI. However, U + // and I will both match in UI. + var currentCandidate = 0; + var currentChunkSpan = 0; + var firstMatch = undefined; + var contiguous = undefined; + while (true) { + // Let's consider our termination cases + if (currentChunkSpan === chunkCharacterSpans.length) { + // We did match! We shall assign a weight to this + var weight = 0; + // Was this contiguous? + if (contiguous) { + weight += 1; + } + // Did we start at the beginning of the candidate? + if (firstMatch === 0) { + weight += 2; + } + return weight; + } + else if (currentCandidate === candidateParts.length) { + // No match, since we still have more of the pattern to hit + return undefined; + } + var candidatePart = candidateParts[currentCandidate]; + var gotOneMatchThisCandidate = false; + // Consider the case of matching SiUI against SimpleUIElement. The candidate parts + // will be Simple/UI/Element, and the pattern parts will be Si/U/I. We'll match 'Si' + // against 'Simple' first. Then we'll match 'U' against 'UI'. However, we want to + // still keep matching pattern parts against that candidate part. + for (; currentChunkSpan < chunkCharacterSpans.length; currentChunkSpan++) { + var chunkCharacterSpan = chunkCharacterSpans[currentChunkSpan]; + if (gotOneMatchThisCandidate) { + // We've already gotten one pattern part match in this candidate. We will + // only continue trying to consumer pattern parts if the last part and this + // part are both upper case. + if (!isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan - 1].start)) || + !isUpperCaseLetter(chunk.text.charCodeAt(chunkCharacterSpans[currentChunkSpan].start))) { + break; + } + } + if (!partStartsWith(candidate, candidatePart, chunk.text, ignoreCase, chunkCharacterSpan)) { + break; + } + gotOneMatchThisCandidate = true; + firstMatch = firstMatch === undefined ? currentCandidate : firstMatch; + // If we were contiguous, then keep that value. If we weren't, then keep that + // value. If we don't know, then set the value to 'true' as an initial match is + // obviously contiguous. + contiguous = contiguous === undefined ? true : contiguous; + candidatePart = ts.createTextSpan(candidatePart.start + chunkCharacterSpan.length, candidatePart.length - chunkCharacterSpan.length); + } + // Check if we matched anything at all. If we didn't, then we need to unset the + // contiguous bit if we currently had it set. + // If we haven't set the bit yet, then that means we haven't matched anything so + // far, and we don't want to change that. + if (!gotOneMatchThisCandidate && contiguous !== undefined) { + contiguous = false; + } + // Move onto the next candidate. + currentCandidate++; + } + } + } + ts.createPatternMatcher = createPatternMatcher; + function createSegment(text) { + return { + totalTextChunk: createTextChunk(text), + subWordTextChunks: breakPatternIntoTextChunks(text) + }; + } + // A segment is considered invalid if we couldn't find any words in it. + function segmentIsInvalid(segment) { + return segment.subWordTextChunks.length === 0; + } + function isUpperCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 65 /* A */ && ch <= 90 /* Z */) { + return true; + } + if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toUpperCase(); + } + function isLowerCaseLetter(ch) { + // Fast check for the ascii range. + if (ch >= 97 /* a */ && ch <= 122 /* z */) { + return true; + } + if (ch < 127 /* maxAsciiCharacter */ || !ts.isUnicodeIdentifierStart(ch, 2 /* Latest */)) { + return false; + } + // TODO: find a way to determine this for any unicode characters in a + // non-allocating manner. + var str = String.fromCharCode(ch); + return str === str.toLowerCase(); + } + function startsWith(string, search) { + for (var i = 0, n = search.length; i < n; i++) { + if (string.charCodeAt(i) !== search.charCodeAt(i)) { + return false; + } + } + return true; + } + // Assumes 'value' is already lowercase. + function indexOfIgnoringCase(string, value) { + for (var i = 0, n = string.length - value.length; i <= n; i++) { + if (startsWithIgnoringCase(string, value, i)) { + return i; + } + } + return -1; + } + // Assumes 'value' is already lowercase. + function startsWithIgnoringCase(string, value, start) { + for (var i = 0, n = value.length; i < n; i++) { + var ch1 = toLowerCase(string.charCodeAt(i + start)); + var ch2 = value.charCodeAt(i); + if (ch1 !== ch2) { + return false; + } + } + return true; + } + function toLowerCase(ch) { + // Fast convert for the ascii range. + if (ch >= 65 /* A */ && ch <= 90 /* Z */) { + return 97 /* a */ + (ch - 65 /* A */); + } + if (ch < 127 /* maxAsciiCharacter */) { + return ch; + } + // TODO: find a way to compute this for any unicode characters in a + // non-allocating manner. + return String.fromCharCode(ch).toLowerCase().charCodeAt(0); + } + function isDigit(ch) { + // TODO(cyrusn): Find a way to support this for unicode digits. + return ch >= 48 /* _0 */ && ch <= 57 /* _9 */; + } + function isWordChar(ch) { + return isUpperCaseLetter(ch) || isLowerCaseLetter(ch) || isDigit(ch) || ch === 95 /* _ */ || ch === 36 /* $ */; + } + function breakPatternIntoTextChunks(pattern) { + var result = []; + var wordStart = 0; + var wordLength = 0; + for (var i = 0; i < pattern.length; i++) { + var ch = pattern.charCodeAt(i); + if (isWordChar(ch)) { + if (wordLength === 0) { + wordStart = i; + } + wordLength++; + } + else { + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + wordLength = 0; + } + } + } + if (wordLength > 0) { + result.push(createTextChunk(pattern.substr(wordStart, wordLength))); + } + return result; + } + function createTextChunk(text) { + var textLowerCase = text.toLowerCase(); + return { + text: text, + textLowerCase: textLowerCase, + isLowerCase: text === textLowerCase, + characterSpans: breakIntoCharacterSpans(text) + }; + } + /* @internal */ function breakIntoCharacterSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ false); + } + ts.breakIntoCharacterSpans = breakIntoCharacterSpans; + /* @internal */ function breakIntoWordSpans(identifier) { + return breakIntoSpans(identifier, /*word:*/ true); + } + ts.breakIntoWordSpans = breakIntoWordSpans; + function breakIntoSpans(identifier, word) { + var result = []; + var wordStart = 0; + for (var i = 1, n = identifier.length; i < n; i++) { + var lastIsDigit = isDigit(identifier.charCodeAt(i - 1)); + var currentIsDigit = isDigit(identifier.charCodeAt(i)); + var hasTransitionFromLowerToUpper = transitionFromLowerToUpper(identifier, word, i); + var hasTransitionFromUpperToLower = transitionFromUpperToLower(identifier, word, i, wordStart); + if (charIsPunctuation(identifier.charCodeAt(i - 1)) || + charIsPunctuation(identifier.charCodeAt(i)) || + lastIsDigit !== currentIsDigit || + hasTransitionFromLowerToUpper || + hasTransitionFromUpperToLower) { + if (!isAllPunctuation(identifier, wordStart, i)) { + result.push(ts.createTextSpan(wordStart, i - wordStart)); + } + wordStart = i; + } + } + if (!isAllPunctuation(identifier, wordStart, identifier.length)) { + result.push(ts.createTextSpan(wordStart, identifier.length - wordStart)); + } + return result; + } + function charIsPunctuation(ch) { + switch (ch) { + case 33 /* exclamation */: + case 34 /* doubleQuote */: + case 35 /* hash */: + case 37 /* percent */: + case 38 /* ampersand */: + case 39 /* singleQuote */: + case 40 /* openParen */: + case 41 /* closeParen */: + case 42 /* asterisk */: + case 44 /* comma */: + case 45 /* minus */: + case 46 /* dot */: + case 47 /* slash */: + case 58 /* colon */: + case 59 /* semicolon */: + case 63 /* question */: + case 64 /* at */: + case 91 /* openBracket */: + case 92 /* backslash */: + case 93 /* closeBracket */: + case 95 /* _ */: + case 123 /* openBrace */: + case 125 /* closeBrace */: + return true; + } + return false; + } + function isAllPunctuation(identifier, start, end) { + for (var i = start; i < end; i++) { + var ch = identifier.charCodeAt(i); + // We don't consider _ or $ as punctuation as there may be things with that name. + if (!charIsPunctuation(ch) || ch === 95 /* _ */ || ch === 36 /* $ */) { + return false; + } + } + return true; + } + function transitionFromUpperToLower(identifier, word, index, wordStart) { + if (word) { + // Cases this supports: + // 1) IDisposable -> I, Disposable + // 2) UIElement -> UI, Element + // 3) HTMLDocument -> HTML, Document + // + // etc. + if (index !== wordStart && + index + 1 < identifier.length) { + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + var nextIsLower = isLowerCaseLetter(identifier.charCodeAt(index + 1)); + if (currentIsUpper && nextIsLower) { + // We have a transition from an upper to a lower letter here. But we only + // want to break if all the letters that preceded are uppercase. i.e. if we + // have "Foo" we don't want to break that into "F, oo". But if we have + // "IFoo" or "UIFoo", then we want to break that into "I, Foo" and "UI, + // Foo". i.e. the last uppercase letter belongs to the lowercase letters + // that follows. Note: this will make the following not split properly: + // "HELLOthere". However, these sorts of names do not show up in .Net + // programs. + for (var i = wordStart; i < index; i++) { + if (!isUpperCaseLetter(identifier.charCodeAt(i))) { + return false; + } + } + return true; + } + } + } + return false; + } + function transitionFromLowerToUpper(identifier, word, index) { + var lastIsUpper = isUpperCaseLetter(identifier.charCodeAt(index - 1)); + var currentIsUpper = isUpperCaseLetter(identifier.charCodeAt(index)); + // See if the casing indicates we're starting a new word. Note: if we're breaking on + // words, then just seeing an upper case character isn't enough. Instead, it has to + // be uppercase and the previous character can't be uppercase. + // + // For example, breaking "AddMetadata" on words would make: Add Metadata + // + // on characters would be: A dd M etadata + // + // Break "AM" on words would be: AM + // + // on characters would be: A M + // + // We break the search string on characters. But we break the symbol name on words. + var transition = word + ? (currentIsUpper && !lastIsUpper) + : currentIsUpper; + return transition; + } +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var SignatureHelp; + (function (SignatureHelp) { + // A partially written generic type expression is not guaranteed to have the correct syntax tree. the expression could be parsed as less than/greater than expression or a comma expression + // or some other combination depending on what the user has typed so far. For the purposes of signature help we need to consider any location after "<" as a possible generic type reference. + // To do this, the method will back parse the expression starting at the position required. it will try to parse the current expression as a generic type expression, if it did succeed it + // will return the generic identifier that started the expression (e.g. "foo" in "foo(#a, b) -> The token introduces a list, and should begin a sig help session + // Case 2: + // fo#o#(a, b)# -> The token is either not associated with a list, or ends a list, so the session should end + // Case 3: + // foo(a#, #b#) -> The token is buried inside a list, and should give sig help + // Find out if 'node' is an argument, a type argument, or neither + if (node.kind === 25 /* LessThanToken */ || + node.kind === 17 /* OpenParenToken */) { + // Find the list that starts right *after* the < or ( token. + // If the user has just opened a list, consider this item 0. + var list = getChildListThatStartsWithOpenerToken(callExpression, node, sourceFile); + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + ts.Debug.assert(list !== undefined); + return { + kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: 0, + argumentCount: getArgumentCount(list) + }; + } + // findListItemInfo can return undefined if we are not in parent's argument list + // or type argument list. This includes cases where the cursor is: + // - To the right of the closing paren, non-substitution template, or template tail. + // - Between the type arguments and the arguments (greater than token) + // - On the target of the call (parent.func) + // - On the 'new' keyword in a 'new' expression + var listItemInfo = ts.findListItemInfo(node); + if (listItemInfo) { + var list = listItemInfo.list; + var isTypeArgList = callExpression.typeArguments && callExpression.typeArguments.pos === list.pos; + var argumentIndex = getArgumentIndex(list, node); + var argumentCount = getArgumentCount(list); + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: isTypeArgList ? 0 /* TypeArguments */ : 1 /* CallArguments */, + invocation: callExpression, + argumentsSpan: getApplicableSpanForArguments(list), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + } + else if (node.kind === 11 /* NoSubstitutionTemplateLiteral */ && node.parent.kind === 173 /* TaggedTemplateExpression */) { + // Check if we're actually inside the template; + // otherwise we'll fall out and return undefined. + if (ts.isInsideTemplateLiteral(node, position)) { + return getArgumentListInfoForTemplate(node.parent, /*argumentIndex*/ 0); + } + } + else if (node.kind === 12 /* TemplateHead */ && node.parent.parent.kind === 173 /* TaggedTemplateExpression */) { + var templateExpression = node.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); + var argumentIndex = ts.isInsideTemplateLiteral(node, position) ? 0 : 1; + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + else if (node.parent.kind === 193 /* TemplateSpan */ && node.parent.parent.parent.kind === 173 /* TaggedTemplateExpression */) { + var templateSpan = node.parent; + var templateExpression = templateSpan.parent; + var tagExpression = templateExpression.parent; + ts.Debug.assert(templateExpression.kind === 186 /* TemplateExpression */); + // If we're just after a template tail, don't show signature help. + if (node.kind === 14 /* TemplateTail */ && !ts.isInsideTemplateLiteral(node, position)) { + return undefined; + } + var spanIndex = templateExpression.templateSpans.indexOf(templateSpan); + var argumentIndex = getArgumentIndexForTemplatePiece(spanIndex, node); + return getArgumentListInfoForTemplate(tagExpression, argumentIndex); + } + return undefined; + } + function getArgumentIndex(argumentsList, node) { + // The list we got back can include commas. In the presence of errors it may + // also just have nodes without commas. For example "Foo(a b c)" will have 3 + // args without commas. We want to find what index we're at. So we count + // forward until we hit ourselves, only incrementing the index if it isn't a + // comma. + // + // Note: the subtlety around trailing commas (in getArgumentCount) does not apply + // here. That's because we're only walking forward until we hit the node we're + // on. In that case, even if we're after the trailing comma, we'll still see + // that trailing comma in the list, and we'll have generated the appropriate + // arg index. + var argumentIndex = 0; + var listChildren = argumentsList.getChildren(); + for (var _i = 0, listChildren_1 = listChildren; _i < listChildren_1.length; _i++) { + var child = listChildren_1[_i]; + if (child === node) { + break; + } + if (child.kind !== 24 /* CommaToken */) { + argumentIndex++; + } + } + return argumentIndex; + } + function getArgumentCount(argumentsList) { + // The argument count for a list is normally the number of non-comma children it has. + // For example, if you have "Foo(a,b)" then there will be three children of the arg + // list 'a' '' 'b'. So, in this case the arg count will be 2. However, there + // is a small subtlety. If you have "Foo(a,)", then the child list will just have + // 'a' ''. So, in the case where the last child is a comma, we increase the + // arg count by one to compensate. + // + // Note: this subtlety only applies to the last comma. If you had "Foo(a,," then + // we'll have: 'a' '' '' + // That will give us 2 non-commas. We then add one for the last comma, givin us an + // arg count of 3. + var listChildren = argumentsList.getChildren(); + var argumentCount = ts.countWhere(listChildren, function (arg) { return arg.kind !== 24 /* CommaToken */; }); + if (listChildren.length > 0 && ts.lastOrUndefined(listChildren).kind === 24 /* CommaToken */) { + argumentCount++; + } + return argumentCount; + } + // spanIndex is either the index for a given template span. + // This does not give appropriate results for a NoSubstitutionTemplateLiteral + function getArgumentIndexForTemplatePiece(spanIndex, node) { + // Because the TemplateStringsArray is the first argument, we have to offset each substitution expression by 1. + // There are three cases we can encounter: + // 1. We are precisely in the template literal (argIndex = 0). + // 2. We are in or to the right of the substitution expression (argIndex = spanIndex + 1). + // 3. We are directly to the right of the template literal, but because we look for the token on the left, + // not enough to put us in the substitution expression; we should consider ourselves part of + // the *next* span's expression by offsetting the index (argIndex = (spanIndex + 1) + 1). + // + // Example: f `# abcd $#{# 1 + 1# }# efghi ${ #"#hello"# } # ` + // ^ ^ ^ ^ ^ ^ ^ ^ ^ + // Case: 1 1 3 2 1 3 2 2 1 + ts.Debug.assert(position >= node.getStart(), "Assumed 'position' could not occur before node."); + if (ts.isTemplateLiteralKind(node.kind)) { + if (ts.isInsideTemplateLiteral(node, position)) { + return 0; + } + return spanIndex + 2; + } + return spanIndex + 1; + } + function getArgumentListInfoForTemplate(tagExpression, argumentIndex) { + // argumentCount is either 1 or (numSpans + 1) to account for the template strings array argument. + var argumentCount = tagExpression.template.kind === 11 /* NoSubstitutionTemplateLiteral */ + ? 1 + : tagExpression.template.templateSpans.length + 1; + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + kind: 2 /* TaggedTemplateArguments */, + invocation: tagExpression, + argumentsSpan: getApplicableSpanForTaggedTemplate(tagExpression), + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + } + function getApplicableSpanForArguments(argumentsList) { + // We use full start and skip trivia on the end because we want to include trivia on + // both sides. For example, + // + // foo( /*comment */ a, b, c /*comment*/ ) + // | | + // + // The applicable span is from the first bar to the second bar (inclusive, + // but not including parentheses) + var applicableSpanStart = argumentsList.getFullStart(); + var applicableSpanEnd = ts.skipTrivia(sourceFile.text, argumentsList.getEnd(), /*stopAfterLineBreak*/ false); + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getApplicableSpanForTaggedTemplate(taggedTemplate) { + var template = taggedTemplate.template; + var applicableSpanStart = template.getStart(); + var applicableSpanEnd = template.getEnd(); + // We need to adjust the end position for the case where the template does not have a tail. + // Otherwise, we will not show signature help past the expression. + // For example, + // + // ` ${ 1 + 1 foo(10) + // | | + // + // This is because a Missing node has no width. However, what we actually want is to include trivia + // leading up to the next token in case the user is about to type in a TemplateMiddle or TemplateTail. + if (template.kind === 186 /* TemplateExpression */) { + var lastSpan = ts.lastOrUndefined(template.templateSpans); + if (lastSpan.literal.getFullWidth() === 0) { + applicableSpanEnd = ts.skipTrivia(sourceFile.text, applicableSpanEnd, /*stopAfterLineBreak*/ false); + } + } + return ts.createTextSpan(applicableSpanStart, applicableSpanEnd - applicableSpanStart); + } + function getContainingArgumentInfo(node) { + for (var n = node; n.kind !== 251 /* SourceFile */; n = n.parent) { + if (ts.isFunctionBlock(n)) { + return undefined; + } + // If the node is not a subspan of its parent, this is a big problem. + // There have been crashes that might be caused by this violation. + if (n.pos < n.parent.pos || n.end > n.parent.end) { + ts.Debug.fail("Node of kind " + n.kind + " is not a subspan of its parent of kind " + n.parent.kind); + } + var argumentInfo_1 = getImmediatelyContainingArgumentInfo(n); + if (argumentInfo_1) { + return argumentInfo_1; + } + } + return undefined; + } + function getChildListThatStartsWithOpenerToken(parent, openerToken, sourceFile) { + var children = parent.getChildren(sourceFile); + var indexOfOpenerToken = children.indexOf(openerToken); + ts.Debug.assert(indexOfOpenerToken >= 0 && children.length > indexOfOpenerToken + 1); + return children[indexOfOpenerToken + 1]; + } + /** + * The selectedItemIndex could be negative for several reasons. + * 1. There are too many arguments for all of the overloads + * 2. None of the overloads were type compatible + * The solution here is to try to pick the best overload by picking + * either the first one that has an appropriate number of parameters, + * or the one with the most parameters. + */ + function selectBestInvalidOverloadIndex(candidates, argumentCount) { + var maxParamsSignatureIndex = -1; + var maxParams = -1; + for (var i = 0; i < candidates.length; i++) { + var candidate = candidates[i]; + if (candidate.hasRestParameter || candidate.parameters.length >= argumentCount) { + return i; + } + if (candidate.parameters.length > maxParams) { + maxParams = candidate.parameters.length; + maxParamsSignatureIndex = i; + } + } + return maxParamsSignatureIndex; + } + function createSignatureHelpItems(candidates, bestSignature, argumentListInfo) { + var applicableSpan = argumentListInfo.argumentsSpan; + var isTypeParameterList = argumentListInfo.kind === 0 /* TypeArguments */; + var invocation = argumentListInfo.invocation; + var callTarget = ts.getInvokedExpression(invocation); + var callTargetSymbol = typeChecker.getSymbolAtLocation(callTarget); + var callTargetDisplayParts = callTargetSymbol && ts.symbolToDisplayParts(typeChecker, callTargetSymbol, /*enclosingDeclaration*/ undefined, /*meaning*/ undefined); + var items = ts.map(candidates, function (candidateSignature) { + var signatureHelpParameters; + var prefixDisplayParts = []; + var suffixDisplayParts = []; + if (callTargetDisplayParts) { + ts.addRange(prefixDisplayParts, callTargetDisplayParts); + } + if (isTypeParameterList) { + prefixDisplayParts.push(ts.punctuationPart(25 /* LessThanToken */)); + var typeParameters = candidateSignature.typeParameters; + signatureHelpParameters = typeParameters && typeParameters.length > 0 ? ts.map(typeParameters, createSignatureHelpParameterForTypeParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(27 /* GreaterThanToken */)); + var parameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForParametersAndDelimiters(candidateSignature.parameters, writer, invocation); + }); + ts.addRange(suffixDisplayParts, parameterParts); + } + else { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildDisplayForTypeParametersAndDelimiters(candidateSignature.typeParameters, writer, invocation); + }); + ts.addRange(prefixDisplayParts, typeParameterParts); + prefixDisplayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + var parameters = candidateSignature.parameters; + signatureHelpParameters = parameters.length > 0 ? ts.map(parameters, createSignatureHelpParameterForParameter) : emptyArray; + suffixDisplayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + var returnTypeParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildReturnTypeDisplay(candidateSignature, writer, invocation); + }); + ts.addRange(suffixDisplayParts, returnTypeParts); + return { + isVariadic: candidateSignature.hasRestParameter, + prefixDisplayParts: prefixDisplayParts, + suffixDisplayParts: suffixDisplayParts, + separatorDisplayParts: [ts.punctuationPart(24 /* CommaToken */), ts.spacePart()], + parameters: signatureHelpParameters, + documentation: candidateSignature.getDocumentationComment() + }; + }); + var argumentIndex = argumentListInfo.argumentIndex; + // argumentCount is the *apparent* number of arguments. + var argumentCount = argumentListInfo.argumentCount; + var selectedItemIndex = candidates.indexOf(bestSignature); + if (selectedItemIndex < 0) { + selectedItemIndex = selectBestInvalidOverloadIndex(candidates, argumentCount); + } + ts.Debug.assert(argumentIndex === 0 || argumentIndex < argumentCount, "argumentCount < argumentIndex, " + argumentCount + " < " + argumentIndex); + return { + items: items, + applicableSpan: applicableSpan, + selectedItemIndex: selectedItemIndex, + argumentIndex: argumentIndex, + argumentCount: argumentCount + }; + function createSignatureHelpParameterForParameter(parameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildParameterDisplay(parameter, writer, invocation); + }); + return { + name: parameter.name, + documentation: parameter.getDocumentationComment(), + displayParts: displayParts, + isOptional: typeChecker.isOptionalParameter(parameter.valueDeclaration) + }; + } + function createSignatureHelpParameterForTypeParameter(typeParameter) { + var displayParts = ts.mapToDisplayParts(function (writer) { + return typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(typeParameter, writer, invocation); + }); + return { + name: typeParameter.symbol.name, + documentation: emptyArray, + displayParts: displayParts, + isOptional: false + }; + } + } + } + SignatureHelp.getSignatureHelpItems = getSignatureHelpItems; + })(SignatureHelp = ts.SignatureHelp || (ts.SignatureHelp = {})); +})(ts || (ts = {})); +// These utilities are common to multiple language service features. +/* @internal */ +var ts; +(function (ts) { + function getEndLinePosition(line, sourceFile) { + ts.Debug.assert(line >= 0); + var lineStarts = sourceFile.getLineStarts(); + var lineIndex = line; + if (lineIndex + 1 === lineStarts.length) { + // last line - return EOF + return sourceFile.text.length - 1; + } + else { + // current line start + var start = lineStarts[lineIndex]; + // take the start position of the next line -1 = it should be some line break + var pos = lineStarts[lineIndex + 1] - 1; + ts.Debug.assert(ts.isLineBreak(sourceFile.text.charCodeAt(pos))); + // walk backwards skipping line breaks, stop the the beginning of current line. + // i.e: + // + // $ <- end of line for this position should match the start position + while (start <= pos && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos--; + } + return pos; + } + } + ts.getEndLinePosition = getEndLinePosition; + function getLineStartPositionForPosition(position, sourceFile) { + var lineStarts = sourceFile.getLineStarts(); + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + return lineStarts[line]; + } + ts.getLineStartPositionForPosition = getLineStartPositionForPosition; + function rangeContainsRange(r1, r2) { + return startEndContainsRange(r1.pos, r1.end, r2); + } + ts.rangeContainsRange = rangeContainsRange; + function startEndContainsRange(start, end, range) { + return start <= range.pos && end >= range.end; + } + ts.startEndContainsRange = startEndContainsRange; + function rangeContainsStartEnd(range, start, end) { + return range.pos <= start && range.end >= end; + } + ts.rangeContainsStartEnd = rangeContainsStartEnd; + function rangeOverlapsWithStartEnd(r1, start, end) { + return startEndOverlapsWithStartEnd(r1.pos, r1.end, start, end); + } + ts.rangeOverlapsWithStartEnd = rangeOverlapsWithStartEnd; + function startEndOverlapsWithStartEnd(start1, end1, start2, end2) { + var start = Math.max(start1, start2); + var end = Math.min(end1, end2); + return start < end; + } + ts.startEndOverlapsWithStartEnd = startEndOverlapsWithStartEnd; + function positionBelongsToNode(candidate, position, sourceFile) { + return candidate.end > position || !isCompletedNode(candidate, sourceFile); + } + ts.positionBelongsToNode = positionBelongsToNode; + function isCompletedNode(n, sourceFile) { + if (ts.nodeIsMissing(n)) { + return false; + } + switch (n.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 168 /* ObjectLiteralExpression */: + case 164 /* ObjectBindingPattern */: + case 156 /* TypeLiteral */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + case 223 /* CaseBlock */: + return nodeEndsWith(n, 16 /* CloseBraceToken */, sourceFile); + case 247 /* CatchClause */: + return isCompletedNode(n.block, sourceFile); + case 172 /* NewExpression */: + if (!n.arguments) { + return true; + } + // fall through + case 171 /* CallExpression */: + case 175 /* ParenthesizedExpression */: + case 161 /* ParenthesizedType */: + return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + return isCompletedNode(n.type, sourceFile); + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 149 /* ConstructSignature */: + case 148 /* CallSignature */: + case 177 /* ArrowFunction */: + if (n.body) { + return isCompletedNode(n.body, sourceFile); + } + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + // Even though type parameters can be unclosed, we can get away with + // having at least a closing paren. + return hasChildOfKind(n, 18 /* CloseParenToken */, sourceFile); + case 221 /* ModuleDeclaration */: + return n.body && isCompletedNode(n.body, sourceFile); + case 199 /* IfStatement */: + if (n.elseStatement) { + return isCompletedNode(n.elseStatement, sourceFile); + } + return isCompletedNode(n.thenStatement, sourceFile); + case 198 /* ExpressionStatement */: + return isCompletedNode(n.expression, sourceFile) || + hasChildOfKind(n, 23 /* SemicolonToken */); + case 167 /* ArrayLiteralExpression */: + case 165 /* ArrayBindingPattern */: + case 170 /* ElementAccessExpression */: + case 137 /* ComputedPropertyName */: + case 158 /* TupleType */: + return nodeEndsWith(n, 20 /* CloseBracketToken */, sourceFile); + case 150 /* IndexSignature */: + if (n.type) { + return isCompletedNode(n.type, sourceFile); + } + return hasChildOfKind(n, 20 /* CloseBracketToken */, sourceFile); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + // there is no such thing as terminator token for CaseClause/DefaultClause so for simplicitly always consider them non-completed + return false; + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + return isCompletedNode(n.statement, sourceFile); + case 200 /* DoStatement */: + // rough approximation: if DoStatement has While keyword - then if node is completed is checking the presence of ')'; + var hasWhileKeyword = findChildOfKind(n, 104 /* WhileKeyword */, sourceFile); + if (hasWhileKeyword) { + return nodeEndsWith(n, 18 /* CloseParenToken */, sourceFile); + } + return isCompletedNode(n.statement, sourceFile); + case 155 /* TypeQuery */: + return isCompletedNode(n.exprName, sourceFile); + case 179 /* TypeOfExpression */: + case 178 /* DeleteExpression */: + case 180 /* VoidExpression */: + case 187 /* YieldExpression */: + case 188 /* SpreadElementExpression */: + var unaryWordExpression = n; + return isCompletedNode(unaryWordExpression.expression, sourceFile); + case 173 /* TaggedTemplateExpression */: + return isCompletedNode(n.template, sourceFile); + case 186 /* TemplateExpression */: + var lastSpan = ts.lastOrUndefined(n.templateSpans); + return isCompletedNode(lastSpan, sourceFile); + case 193 /* TemplateSpan */: + return ts.nodeIsPresent(n.literal); + case 182 /* PrefixUnaryExpression */: + return isCompletedNode(n.operand, sourceFile); + case 184 /* BinaryExpression */: + return isCompletedNode(n.right, sourceFile); + case 185 /* ConditionalExpression */: + return isCompletedNode(n.whenFalse, sourceFile); + default: + return true; + } + } + ts.isCompletedNode = isCompletedNode; + /* + * Checks if node ends with 'expectedLastToken'. + * If child at position 'length - 1' is 'SemicolonToken' it is skipped and 'expectedLastToken' is compared with child at position 'length - 2'. + */ + function nodeEndsWith(n, expectedLastToken, sourceFile) { + var children = n.getChildren(sourceFile); + if (children.length) { + var last = ts.lastOrUndefined(children); + if (last.kind === expectedLastToken) { + return true; + } + else if (last.kind === 23 /* SemicolonToken */ && children.length !== 1) { + return children[children.length - 2].kind === expectedLastToken; + } + } + return false; + } + function findListItemInfo(node) { + var list = findContainingList(node); + // It is possible at this point for syntaxList to be undefined, either if + // node.parent had no list child, or if none of its list children contained + // the span of node. If this happens, return undefined. The caller should + // handle this case. + if (!list) { + return undefined; + } + var children = list.getChildren(); + var listItemIndex = ts.indexOf(children, node); + return { + listItemIndex: listItemIndex, + list: list + }; + } + ts.findListItemInfo = findListItemInfo; + function hasChildOfKind(n, kind, sourceFile) { + return !!findChildOfKind(n, kind, sourceFile); + } + ts.hasChildOfKind = hasChildOfKind; + function findChildOfKind(n, kind, sourceFile) { + return ts.forEach(n.getChildren(sourceFile), function (c) { return c.kind === kind && c; }); + } + ts.findChildOfKind = findChildOfKind; + function findContainingList(node) { + // The node might be a list element (nonsynthetic) or a comma (synthetic). Either way, it will + // be parented by the container of the SyntaxList, not the SyntaxList itself. + // In order to find the list item index, we first need to locate SyntaxList itself and then search + // for the position of the relevant node (or comma). + var syntaxList = ts.forEach(node.parent.getChildren(), function (c) { + // find syntax list that covers the span of the node + if (c.kind === 274 /* SyntaxList */ && c.pos <= node.pos && c.end >= node.end) { + return c; + } + }); + // Either we didn't find an appropriate list, or the list must contain us. + ts.Debug.assert(!syntaxList || ts.contains(syntaxList.getChildren(), node)); + return syntaxList; + } + ts.findContainingList = findContainingList; + /* Gets the token whose text has range [start, end) and + * position >= start and (position < end or (position === end && token is keyword or identifier)) + */ + function getTouchingWord(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isWord(n.kind); }); + } + ts.getTouchingWord = getTouchingWord; + /* Gets the token whose text has range [start, end) and position >= start + * and (position < end or (position === end && token is keyword or identifier or numeric\string litera)) + */ + function getTouchingPropertyName(sourceFile, position) { + return getTouchingToken(sourceFile, position, function (n) { return isPropertyName(n.kind); }); + } + ts.getTouchingPropertyName = getTouchingPropertyName; + /** Returns the token if position is in [start, end) or if position === end and includeItemAtEndPosition(token) === true */ + function getTouchingToken(sourceFile, position, includeItemAtEndPosition) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ false, includeItemAtEndPosition); + } + ts.getTouchingToken = getTouchingToken; + /** Returns a token if position is in [start-of-leading-trivia, end) */ + function getTokenAtPosition(sourceFile, position) { + return getTokenAtPositionWorker(sourceFile, position, /*allowPositionInLeadingTrivia*/ true, /*includeItemAtEndPosition*/ undefined); + } + ts.getTokenAtPosition = getTokenAtPosition; + /** Get the token whose text contains the position */ + function getTokenAtPositionWorker(sourceFile, position, allowPositionInLeadingTrivia, includeItemAtEndPosition) { + var current = sourceFile; + outer: while (true) { + if (isToken(current)) { + // exit early + return current; + } + // find the child that contains 'position' + for (var i = 0, n = current.getChildCount(sourceFile); i < n; i++) { + var child = current.getChildAt(i); + var start = allowPositionInLeadingTrivia ? child.getFullStart() : child.getStart(sourceFile); + if (start <= position) { + var end = child.getEnd(); + if (position < end || (position === end && child.kind === 1 /* EndOfFileToken */)) { + current = child; + continue outer; + } + else if (includeItemAtEndPosition && end === position) { + var previousToken = findPrecedingToken(position, sourceFile, child); + if (previousToken && includeItemAtEndPosition(previousToken)) { + return previousToken; + } + } + } + } + return current; + } + } + /** + * The token on the left of the position is the token that strictly includes the position + * or sits to the left of the cursor if it is on a boundary. For example + * + * fo|o -> will return foo + * foo |bar -> will return foo + * + */ + function findTokenOnLeftOfPosition(file, position) { + // Ideally, getTokenAtPosition should return a token. However, it is currently + // broken, so we do a check to make sure the result was indeed a token. + var tokenAtPosition = getTokenAtPosition(file, position); + if (isToken(tokenAtPosition) && position > tokenAtPosition.getStart(file) && position < tokenAtPosition.getEnd()) { + return tokenAtPosition; + } + return findPrecedingToken(position, file); + } + ts.findTokenOnLeftOfPosition = findTokenOnLeftOfPosition; + function findNextToken(previousToken, parent) { + return find(parent); + function find(n) { + if (isToken(n) && n.pos === previousToken.end) { + // this is token that starts at the end of previous token - return it + return n; + } + var children = n.getChildren(); + for (var _i = 0, children_1 = children; _i < children_1.length; _i++) { + var child = children_1[_i]; + var shouldDiveInChildNode = + // previous token is enclosed somewhere in the child + (child.pos <= previousToken.pos && child.end > previousToken.end) || + // previous token ends exactly at the beginning of child + (child.pos === previousToken.end); + if (shouldDiveInChildNode && nodeHasTokens(child)) { + return find(child); + } + } + return undefined; + } + } + ts.findNextToken = findNextToken; + function findPrecedingToken(position, sourceFile, startNode) { + return find(startNode || sourceFile); + function findRightmostToken(n) { + if (isToken(n) || n.kind === 239 /* JsxText */) { + return n; + } + var children = n.getChildren(); + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); + return candidate && findRightmostToken(candidate); + } + function find(n) { + if (isToken(n) || n.kind === 239 /* JsxText */) { + return n; + } + var children = n.getChildren(); + for (var i = 0, len = children.length; i < len; i++) { + var child = children[i]; + // condition 'position < child.end' checks if child node end after the position + // in the example below this condition will be false for 'aaaa' and 'bbbb' and true for 'ccc' + // aaaa___bbbb___$__ccc + // after we found child node with end after the position we check if start of the node is after the position. + // if yes - then position is in the trivia and we need to look into the previous child to find the token in question. + // if no - position is in the node itself so we should recurse in it. + // NOTE: JsxText is a weird kind of node that can contain only whitespaces (since they are not counted as trivia). + // if this is the case - then we should assume that token in question is located in previous child. + if (position < child.end && (nodeHasTokens(child) || child.kind === 239 /* JsxText */)) { + var start = child.getStart(sourceFile); + var lookInPreviousChild = (start >= position) || + (child.kind === 239 /* JsxText */ && start === child.end); // whitespace only JsxText + if (lookInPreviousChild) { + // actual start of the node is past the position - previous token should be at the end of previous child + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ i); + return candidate && findRightmostToken(candidate); + } + else { + // candidate should be in this node + return find(child); + } + } + } + ts.Debug.assert(startNode !== undefined || n.kind === 251 /* SourceFile */); + // Here we know that none of child token nodes embrace the position, + // the only known case is when position is at the end of the file. + // Try to find the rightmost token in the file without filtering. + // Namely we are skipping the check: 'position < node.end' + if (children.length) { + var candidate = findRightmostChildNodeWithTokens(children, /*exclusiveStartPosition*/ children.length); + return candidate && findRightmostToken(candidate); + } + } + /// finds last node that is considered as candidate for search (isCandidate(node) === true) starting from 'exclusiveStartPosition' + function findRightmostChildNodeWithTokens(children, exclusiveStartPosition) { + for (var i = exclusiveStartPosition - 1; i >= 0; --i) { + if (nodeHasTokens(children[i])) { + return children[i]; + } + } + } + } + ts.findPrecedingToken = findPrecedingToken; + function isInString(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + return token && (token.kind === 9 /* StringLiteral */ || token.kind === 163 /* StringLiteralType */) && position > token.getStart(); + } + ts.isInString = isInString; + function isInComment(sourceFile, position) { + return isInCommentHelper(sourceFile, position, /*predicate*/ undefined); + } + ts.isInComment = isInComment; + /** + * Returns true if the cursor at position in sourceFile is within a comment that additionally + * satisfies predicate, and false otherwise. + */ + function isInCommentHelper(sourceFile, position, predicate) { + var token = getTokenAtPosition(sourceFile, position); + if (token && position <= token.getStart()) { + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + // The end marker of a single-line comment does not include the newline character. + // In the following case, we are inside a comment (^ denotes the cursor position): + // + // // asdf ^\n + // + // But for multi-line comments, we don't want to be inside the comment in the following case: + // + // /* asdf */^ + // + // Internally, we represent the end of the comment at the newline and closing '/', respectively. + return predicate ? + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end) && + predicate(c); }) : + ts.forEach(commentRanges, function (c) { return c.pos < position && + (c.kind == 2 /* SingleLineCommentTrivia */ ? position <= c.end : position < c.end); }); + } + return false; + } + ts.isInCommentHelper = isInCommentHelper; + function hasDocComment(sourceFile, position) { + var token = getTokenAtPosition(sourceFile, position); + // First, we have to see if this position actually landed in a comment. + var commentRanges = ts.getLeadingCommentRanges(sourceFile.text, token.pos); + return ts.forEach(commentRanges, jsDocPrefix); + function jsDocPrefix(c) { + var text = sourceFile.text; + return text.length >= c.pos + 3 && text[c.pos] === '/' && text[c.pos + 1] === '*' && text[c.pos + 2] === '*'; + } + } + ts.hasDocComment = hasDocComment; + /** + * Get the corresponding JSDocTag node if the position is in a jsDoc comment + */ + function getJsDocTagAtPosition(sourceFile, position) { + var node = ts.getTokenAtPosition(sourceFile, position); + if (isToken(node)) { + switch (node.kind) { + case 102 /* VarKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + // if the current token is var, let or const, skip the VariableDeclarationList + node = node.parent === undefined ? undefined : node.parent.parent; + break; + default: + node = node.parent; + break; + } + } + if (node) { + var jsDocComment = node.jsDocComment; + if (jsDocComment) { + for (var _i = 0, _a = jsDocComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + if (tag.pos <= position && position <= tag.end) { + return tag; + } + } + } + } + return undefined; + } + ts.getJsDocTagAtPosition = getJsDocTagAtPosition; + function nodeHasTokens(n) { + // If we have a token or node that has a non-zero width, it must have tokens. + // Note, that getWidth() does not take trivia into account. + return n.getWidth() !== 0; + } + function getNodeModifiers(node) { + var flags = ts.getCombinedNodeFlags(node); + var result = []; + if (flags & 16 /* Private */) + result.push(ts.ScriptElementKindModifier.privateMemberModifier); + if (flags & 32 /* Protected */) + result.push(ts.ScriptElementKindModifier.protectedMemberModifier); + if (flags & 8 /* Public */) + result.push(ts.ScriptElementKindModifier.publicMemberModifier); + if (flags & 64 /* Static */) + result.push(ts.ScriptElementKindModifier.staticModifier); + if (flags & 128 /* Abstract */) + result.push(ts.ScriptElementKindModifier.abstractModifier); + if (flags & 2 /* Export */) + result.push(ts.ScriptElementKindModifier.exportedModifier); + if (ts.isInAmbientContext(node)) + result.push(ts.ScriptElementKindModifier.ambientModifier); + return result.length > 0 ? result.join(',') : ts.ScriptElementKindModifier.none; + } + ts.getNodeModifiers = getNodeModifiers; + function getTypeArgumentOrTypeParameterList(node) { + if (node.kind === 152 /* TypeReference */ || node.kind === 171 /* CallExpression */) { + return node.typeArguments; + } + if (ts.isFunctionLike(node) || node.kind === 217 /* ClassDeclaration */ || node.kind === 218 /* InterfaceDeclaration */) { + return node.typeParameters; + } + return undefined; + } + ts.getTypeArgumentOrTypeParameterList = getTypeArgumentOrTypeParameterList; + function isToken(n) { + return n.kind >= 0 /* FirstToken */ && n.kind <= 135 /* LastToken */; + } + ts.isToken = isToken; + function isWord(kind) { + return kind === 69 /* Identifier */ || ts.isKeyword(kind); + } + ts.isWord = isWord; + function isPropertyName(kind) { + return kind === 9 /* StringLiteral */ || kind === 8 /* NumericLiteral */ || isWord(kind); + } + function isComment(kind) { + return kind === 2 /* SingleLineCommentTrivia */ || kind === 3 /* MultiLineCommentTrivia */; + } + ts.isComment = isComment; + function isStringOrRegularExpressionOrTemplateLiteral(kind) { + if (kind === 9 /* StringLiteral */ + || kind === 163 /* StringLiteralType */ + || kind === 10 /* RegularExpressionLiteral */ + || ts.isTemplateLiteralKind(kind)) { + return true; + } + return false; + } + ts.isStringOrRegularExpressionOrTemplateLiteral = isStringOrRegularExpressionOrTemplateLiteral; + function isPunctuation(kind) { + return 15 /* FirstPunctuation */ <= kind && kind <= 68 /* LastPunctuation */; + } + ts.isPunctuation = isPunctuation; + function isInsideTemplateLiteral(node, position) { + return ts.isTemplateLiteralKind(node.kind) + && (node.getStart() < position && position < node.getEnd()) || (!!node.isUnterminated && position === node.getEnd()); + } + ts.isInsideTemplateLiteral = isInsideTemplateLiteral; + function isAccessibilityModifier(kind) { + switch (kind) { + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return true; + } + return false; + } + ts.isAccessibilityModifier = isAccessibilityModifier; + function compareDataObjects(dst, src) { + for (var e in dst) { + if (typeof dst[e] === "object") { + if (!compareDataObjects(dst[e], src[e])) { + return false; + } + } + else if (typeof dst[e] !== "function") { + if (dst[e] !== src[e]) { + return false; + } + } + } + return true; + } + ts.compareDataObjects = compareDataObjects; + function isArrayLiteralOrObjectLiteralDestructuringPattern(node) { + if (node.kind === 167 /* ArrayLiteralExpression */ || + node.kind === 168 /* ObjectLiteralExpression */) { + // [a,b,c] from: + // [a, b, c] = someExpression; + if (node.parent.kind === 184 /* BinaryExpression */ && + node.parent.left === node && + node.parent.operatorToken.kind === 56 /* EqualsToken */) { + return true; + } + // [a, b, c] from: + // for([a, b, c] of expression) + if (node.parent.kind === 204 /* ForOfStatement */ && + node.parent.initializer === node) { + return true; + } + // [a, b, c] of + // [x, [a, b, c] ] = someExpression + // or + // {x, a: {a, b, c} } = someExpression + if (isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.kind === 248 /* PropertyAssignment */ ? node.parent.parent : node.parent)) { + return true; + } + } + return false; + } + ts.isArrayLiteralOrObjectLiteralDestructuringPattern = isArrayLiteralOrObjectLiteralDestructuringPattern; +})(ts || (ts = {})); +// Display-part writer helpers +/* @internal */ +var ts; +(function (ts) { + function isFirstDeclarationOfSymbolParameter(symbol) { + return symbol.declarations && symbol.declarations.length > 0 && symbol.declarations[0].kind === 139 /* Parameter */; + } + ts.isFirstDeclarationOfSymbolParameter = isFirstDeclarationOfSymbolParameter; + var displayPartWriter = getDisplayPartWriter(); + function getDisplayPartWriter() { + var displayParts; + var lineStart; + var indent; + resetWriter(); + return { + displayParts: function () { return displayParts; }, + writeKeyword: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.keyword); }, + writeOperator: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.operator); }, + writePunctuation: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.punctuation); }, + writeSpace: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.space); }, + writeStringLiteral: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.stringLiteral); }, + writeParameter: function (text) { return writeKind(text, ts.SymbolDisplayPartKind.parameterName); }, + writeSymbol: writeSymbol, + writeLine: writeLine, + increaseIndent: function () { indent++; }, + decreaseIndent: function () { indent--; }, + clear: resetWriter, + trackSymbol: function () { }, + reportInaccessibleThisError: function () { } + }; + function writeIndent() { + if (lineStart) { + var indentString = ts.getIndentString(indent); + if (indentString) { + displayParts.push(displayPart(indentString, ts.SymbolDisplayPartKind.space)); + } + lineStart = false; + } + } + function writeKind(text, kind) { + writeIndent(); + displayParts.push(displayPart(text, kind)); + } + function writeSymbol(text, symbol) { + writeIndent(); + displayParts.push(symbolPart(text, symbol)); + } + function writeLine() { + displayParts.push(lineBreakPart()); + lineStart = true; + } + function resetWriter() { + displayParts = []; + lineStart = true; + indent = 0; + } + } + function symbolPart(text, symbol) { + return displayPart(text, displayPartKind(symbol), symbol); + function displayPartKind(symbol) { + var flags = symbol.flags; + if (flags & 3 /* Variable */) { + return isFirstDeclarationOfSymbolParameter(symbol) ? ts.SymbolDisplayPartKind.parameterName : ts.SymbolDisplayPartKind.localName; + } + else if (flags & 4 /* Property */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 32768 /* GetAccessor */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 65536 /* SetAccessor */) { + return ts.SymbolDisplayPartKind.propertyName; + } + else if (flags & 8 /* EnumMember */) { + return ts.SymbolDisplayPartKind.enumMemberName; + } + else if (flags & 16 /* Function */) { + return ts.SymbolDisplayPartKind.functionName; + } + else if (flags & 32 /* Class */) { + return ts.SymbolDisplayPartKind.className; + } + else if (flags & 64 /* Interface */) { + return ts.SymbolDisplayPartKind.interfaceName; + } + else if (flags & 384 /* Enum */) { + return ts.SymbolDisplayPartKind.enumName; + } + else if (flags & 1536 /* Module */) { + return ts.SymbolDisplayPartKind.moduleName; + } + else if (flags & 8192 /* Method */) { + return ts.SymbolDisplayPartKind.methodName; + } + else if (flags & 262144 /* TypeParameter */) { + return ts.SymbolDisplayPartKind.typeParameterName; + } + else if (flags & 524288 /* TypeAlias */) { + return ts.SymbolDisplayPartKind.aliasName; + } + else if (flags & 8388608 /* Alias */) { + return ts.SymbolDisplayPartKind.aliasName; + } + return ts.SymbolDisplayPartKind.text; + } + } + ts.symbolPart = symbolPart; + function displayPart(text, kind, symbol) { + return { + text: text, + kind: ts.SymbolDisplayPartKind[kind] + }; + } + ts.displayPart = displayPart; + function spacePart() { + return displayPart(" ", ts.SymbolDisplayPartKind.space); + } + ts.spacePart = spacePart; + function keywordPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.keyword); + } + ts.keywordPart = keywordPart; + function punctuationPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.punctuation); + } + ts.punctuationPart = punctuationPart; + function operatorPart(kind) { + return displayPart(ts.tokenToString(kind), ts.SymbolDisplayPartKind.operator); + } + ts.operatorPart = operatorPart; + function textOrKeywordPart(text) { + var kind = ts.stringToToken(text); + return kind === undefined + ? textPart(text) + : keywordPart(kind); + } + ts.textOrKeywordPart = textOrKeywordPart; + function textPart(text) { + return displayPart(text, ts.SymbolDisplayPartKind.text); + } + ts.textPart = textPart; + var carriageReturnLineFeed = "\r\n"; + /** + * The default is CRLF. + */ + function getNewLineOrDefaultFromHost(host) { + return host.getNewLine ? host.getNewLine() : carriageReturnLineFeed; + } + ts.getNewLineOrDefaultFromHost = getNewLineOrDefaultFromHost; + function lineBreakPart() { + return displayPart("\n", ts.SymbolDisplayPartKind.lineBreak); + } + ts.lineBreakPart = lineBreakPart; + function mapToDisplayParts(writeDisplayParts) { + writeDisplayParts(displayPartWriter); + var result = displayPartWriter.displayParts(); + displayPartWriter.clear(); + return result; + } + ts.mapToDisplayParts = mapToDisplayParts; + function typeToDisplayParts(typechecker, type, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildTypeDisplay(type, writer, enclosingDeclaration, flags); + }); + } + ts.typeToDisplayParts = typeToDisplayParts; + function symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration, meaning, flags) { + return mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildSymbolDisplay(symbol, writer, enclosingDeclaration, meaning, flags); + }); + } + ts.symbolToDisplayParts = symbolToDisplayParts; + function signatureToDisplayParts(typechecker, signature, enclosingDeclaration, flags) { + return mapToDisplayParts(function (writer) { + typechecker.getSymbolDisplayBuilder().buildSignatureDisplay(signature, writer, enclosingDeclaration, flags); + }); + } + ts.signatureToDisplayParts = signatureToDisplayParts; + function getDeclaredName(typeChecker, symbol, location) { + // If this is an export or import specifier it could have been renamed using the 'as' syntax. + // If so we want to search for whatever is under the cursor. + if (isImportOrExportSpecifierName(location)) { + return location.getText(); + } + // Try to get the local symbol if we're dealing with an 'export default' + // since that symbol has the "true" name. + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + var name = typeChecker.symbolToString(localExportDefaultSymbol || symbol); + return name; + } + ts.getDeclaredName = getDeclaredName; + function isImportOrExportSpecifierName(location) { + return location.parent && + (location.parent.kind === 229 /* ImportSpecifier */ || location.parent.kind === 233 /* ExportSpecifier */) && + location.parent.propertyName === location; + } + ts.isImportOrExportSpecifierName = isImportOrExportSpecifierName; + /** + * Strip off existed single quotes or double quotes from a given string + * + * @return non-quoted string + */ + function stripQuotes(name) { + var length = name.length; + if (length >= 2 && + name.charCodeAt(0) === name.charCodeAt(length - 1) && + (name.charCodeAt(0) === 34 /* doubleQuote */ || name.charCodeAt(0) === 39 /* singleQuote */)) { + return name.substring(1, length - 1); + } + ; + return name; + } + ts.stripQuotes = stripQuotes; +})(ts || (ts = {})); +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var standardScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 0 /* Standard */); + var jsxScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, 1 /* JSX */); + /** + * Scanner that is currently used for formatting + */ + var scanner; + var ScanAction; + (function (ScanAction) { + ScanAction[ScanAction["Scan"] = 0] = "Scan"; + ScanAction[ScanAction["RescanGreaterThanToken"] = 1] = "RescanGreaterThanToken"; + ScanAction[ScanAction["RescanSlashToken"] = 2] = "RescanSlashToken"; + ScanAction[ScanAction["RescanTemplateToken"] = 3] = "RescanTemplateToken"; + ScanAction[ScanAction["RescanJsxIdentifier"] = 4] = "RescanJsxIdentifier"; + })(ScanAction || (ScanAction = {})); + function getFormattingScanner(sourceFile, startPos, endPos) { + ts.Debug.assert(scanner === undefined); + scanner = sourceFile.languageVariant === 1 /* JSX */ ? jsxScanner : standardScanner; + scanner.setText(sourceFile.text); + scanner.setTextPos(startPos); + var wasNewLine = true; + var leadingTrivia; + var trailingTrivia; + var savedPos; + var lastScanAction; + var lastTokenInfo; + return { + advance: advance, + readTokenInfo: readTokenInfo, + isOnToken: isOnToken, + getCurrentLeadingTrivia: function () { return leadingTrivia; }, + lastTrailingTriviaWasNewLine: function () { return wasNewLine; }, + close: function () { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + scanner.setText(undefined); + scanner = undefined; + } + }; + function advance() { + ts.Debug.assert(scanner !== undefined); + lastTokenInfo = undefined; + var isStarted = scanner.getStartPos() !== startPos; + if (isStarted) { + if (trailingTrivia) { + ts.Debug.assert(trailingTrivia.length !== 0); + wasNewLine = ts.lastOrUndefined(trailingTrivia).kind === 4 /* NewLineTrivia */; + } + else { + wasNewLine = false; + } + } + leadingTrivia = undefined; + trailingTrivia = undefined; + if (!isStarted) { + scanner.scan(); + } + var t; + var pos = scanner.getStartPos(); + // Read leading trivia and token + while (pos < endPos) { + var t_1 = scanner.getToken(); + if (!ts.isTrivia(t_1)) { + break; + } + // consume leading trivia + scanner.scan(); + var item = { + pos: pos, + end: scanner.getStartPos(), + kind: t_1 + }; + pos = scanner.getStartPos(); + if (!leadingTrivia) { + leadingTrivia = []; + } + leadingTrivia.push(item); + } + savedPos = scanner.getStartPos(); + } + function shouldRescanGreaterThanToken(node) { + if (node) { + switch (node.kind) { + case 29 /* GreaterThanEqualsToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + return true; + } + } + return false; + } + function shouldRescanJsxIdentifier(node) { + if (node.parent) { + switch (node.parent.kind) { + case 241 /* JsxAttribute */: + case 238 /* JsxOpeningElement */: + case 240 /* JsxClosingElement */: + case 237 /* JsxSelfClosingElement */: + return node.kind === 69 /* Identifier */; + } + } + return false; + } + function shouldRescanSlashToken(container) { + return container.kind === 10 /* RegularExpressionLiteral */; + } + function shouldRescanTemplateToken(container) { + return container.kind === 13 /* TemplateMiddle */ || + container.kind === 14 /* TemplateTail */; + } + function startsWithSlashToken(t) { + return t === 39 /* SlashToken */ || t === 61 /* SlashEqualsToken */; + } + function readTokenInfo(n) { + ts.Debug.assert(scanner !== undefined); + if (!isOnToken()) { + // scanner is not on the token (either advance was not called yet or scanner is already past the end position) + return { + leadingTrivia: leadingTrivia, + trailingTrivia: undefined, + token: undefined + }; + } + // normally scanner returns the smallest available token + // check the kind of context node to determine if scanner should have more greedy behavior and consume more text. + var expectedScanAction = shouldRescanGreaterThanToken(n) + ? 1 /* RescanGreaterThanToken */ + : shouldRescanSlashToken(n) + ? 2 /* RescanSlashToken */ + : shouldRescanTemplateToken(n) + ? 3 /* RescanTemplateToken */ + : shouldRescanJsxIdentifier(n) + ? 4 /* RescanJsxIdentifier */ + : 0 /* Scan */; + if (lastTokenInfo && expectedScanAction === lastScanAction) { + // readTokenInfo was called before with the same expected scan action. + // No need to re-scan text, return existing 'lastTokenInfo' + // it is ok to call fixTokenKind here since it does not affect + // what portion of text is consumed. In opposize rescanning can change it, + // i.e. for '>=' when originally scanner eats just one character + // and rescanning forces it to consume more. + return fixTokenKind(lastTokenInfo, n); + } + if (scanner.getStartPos() !== savedPos) { + ts.Debug.assert(lastTokenInfo !== undefined); + // readTokenInfo was called before but scan action differs - rescan text + scanner.setTextPos(savedPos); + scanner.scan(); + } + var currentToken = scanner.getToken(); + if (expectedScanAction === 1 /* RescanGreaterThanToken */ && currentToken === 27 /* GreaterThanToken */) { + currentToken = scanner.reScanGreaterToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 1 /* RescanGreaterThanToken */; + } + else if (expectedScanAction === 2 /* RescanSlashToken */ && startsWithSlashToken(currentToken)) { + currentToken = scanner.reScanSlashToken(); + ts.Debug.assert(n.kind === currentToken); + lastScanAction = 2 /* RescanSlashToken */; + } + else if (expectedScanAction === 3 /* RescanTemplateToken */ && currentToken === 16 /* CloseBraceToken */) { + currentToken = scanner.reScanTemplateToken(); + lastScanAction = 3 /* RescanTemplateToken */; + } + else if (expectedScanAction === 4 /* RescanJsxIdentifier */ && currentToken === 69 /* Identifier */) { + currentToken = scanner.scanJsxIdentifier(); + lastScanAction = 4 /* RescanJsxIdentifier */; + } + else { + lastScanAction = 0 /* Scan */; + } + var token = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + // consume trailing trivia + if (trailingTrivia) { + trailingTrivia = undefined; + } + while (scanner.getStartPos() < endPos) { + currentToken = scanner.scan(); + if (!ts.isTrivia(currentToken)) { + break; + } + var trivia = { + pos: scanner.getStartPos(), + end: scanner.getTextPos(), + kind: currentToken + }; + if (!trailingTrivia) { + trailingTrivia = []; + } + trailingTrivia.push(trivia); + if (currentToken === 4 /* NewLineTrivia */) { + // move past new line + scanner.scan(); + break; + } + } + lastTokenInfo = { + leadingTrivia: leadingTrivia, + trailingTrivia: trailingTrivia, + token: token + }; + return fixTokenKind(lastTokenInfo, n); + } + function isOnToken() { + ts.Debug.assert(scanner !== undefined); + var current = (lastTokenInfo && lastTokenInfo.token.kind) || scanner.getToken(); + var startPos = (lastTokenInfo && lastTokenInfo.token.pos) || scanner.getStartPos(); + return startPos < endPos && current !== 1 /* EndOfFileToken */ && !ts.isTrivia(current); + } + // when containing node in the tree is token + // but its kind differs from the kind that was returned by the scanner, + // then kind needs to be fixed. This might happen in cases + // when parser interprets token differently, i.e keyword treated as identifier + function fixTokenKind(tokenInfo, container) { + if (ts.isToken(container) && tokenInfo.token.kind !== container.kind) { + tokenInfo.token.kind = container.kind; + } + return tokenInfo; + } + } + formatting.getFormattingScanner = getFormattingScanner; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var FormattingContext = (function () { + function FormattingContext(sourceFile, formattingRequestKind) { + this.sourceFile = sourceFile; + this.formattingRequestKind = formattingRequestKind; + } + FormattingContext.prototype.updateContext = function (currentRange, currentTokenParent, nextRange, nextTokenParent, commonParent) { + ts.Debug.assert(currentRange !== undefined, "currentTokenSpan is null"); + ts.Debug.assert(currentTokenParent !== undefined, "currentTokenParent is null"); + ts.Debug.assert(nextRange !== undefined, "nextTokenSpan is null"); + ts.Debug.assert(nextTokenParent !== undefined, "nextTokenParent is null"); + ts.Debug.assert(commonParent !== undefined, "commonParent is null"); + this.currentTokenSpan = currentRange; + this.currentTokenParent = currentTokenParent; + this.nextTokenSpan = nextRange; + this.nextTokenParent = nextTokenParent; + this.contextNode = commonParent; + // drop cached results + this.contextNodeAllOnSameLine = undefined; + this.nextNodeAllOnSameLine = undefined; + this.tokensAreOnSameLine = undefined; + this.contextNodeBlockIsOnOneLine = undefined; + this.nextNodeBlockIsOnOneLine = undefined; + }; + FormattingContext.prototype.ContextNodeAllOnSameLine = function () { + if (this.contextNodeAllOnSameLine === undefined) { + this.contextNodeAllOnSameLine = this.NodeIsOnOneLine(this.contextNode); + } + return this.contextNodeAllOnSameLine; + }; + FormattingContext.prototype.NextNodeAllOnSameLine = function () { + if (this.nextNodeAllOnSameLine === undefined) { + this.nextNodeAllOnSameLine = this.NodeIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeAllOnSameLine; + }; + FormattingContext.prototype.TokensAreOnSameLine = function () { + if (this.tokensAreOnSameLine === undefined) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(this.currentTokenSpan.pos).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(this.nextTokenSpan.pos).line; + this.tokensAreOnSameLine = (startLine === endLine); + } + return this.tokensAreOnSameLine; + }; + FormattingContext.prototype.ContextNodeBlockIsOnOneLine = function () { + if (this.contextNodeBlockIsOnOneLine === undefined) { + this.contextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.contextNode); + } + return this.contextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NextNodeBlockIsOnOneLine = function () { + if (this.nextNodeBlockIsOnOneLine === undefined) { + this.nextNodeBlockIsOnOneLine = this.BlockIsOnOneLine(this.nextTokenParent); + } + return this.nextNodeBlockIsOnOneLine; + }; + FormattingContext.prototype.NodeIsOnOneLine = function (node) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(node.getStart(this.sourceFile)).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(node.getEnd()).line; + return startLine === endLine; + }; + FormattingContext.prototype.BlockIsOnOneLine = function (node) { + var openBrace = ts.findChildOfKind(node, 15 /* OpenBraceToken */, this.sourceFile); + var closeBrace = ts.findChildOfKind(node, 16 /* CloseBraceToken */, this.sourceFile); + if (openBrace && closeBrace) { + var startLine = this.sourceFile.getLineAndCharacterOfPosition(openBrace.getEnd()).line; + var endLine = this.sourceFile.getLineAndCharacterOfPosition(closeBrace.getStart(this.sourceFile)).line; + return startLine === endLine; + } + return false; + }; + return FormattingContext; + }()); + formatting.FormattingContext = FormattingContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (FormattingRequestKind) { + FormattingRequestKind[FormattingRequestKind["FormatDocument"] = 0] = "FormatDocument"; + FormattingRequestKind[FormattingRequestKind["FormatSelection"] = 1] = "FormatSelection"; + FormattingRequestKind[FormattingRequestKind["FormatOnEnter"] = 2] = "FormatOnEnter"; + FormattingRequestKind[FormattingRequestKind["FormatOnSemicolon"] = 3] = "FormatOnSemicolon"; + FormattingRequestKind[FormattingRequestKind["FormatOnClosingCurlyBrace"] = 4] = "FormatOnClosingCurlyBrace"; + })(formatting.FormattingRequestKind || (formatting.FormattingRequestKind = {})); + var FormattingRequestKind = formatting.FormattingRequestKind; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rule = (function () { + function Rule(Descriptor, Operation, Flag) { + if (Flag === void 0) { Flag = 0 /* None */; } + this.Descriptor = Descriptor; + this.Operation = Operation; + this.Flag = Flag; + } + Rule.prototype.toString = function () { + return "[desc=" + this.Descriptor + "," + + "operation=" + this.Operation + "," + + "flag=" + this.Flag + "]"; + }; + return Rule; + }()); + formatting.Rule = Rule; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (RuleAction) { + RuleAction[RuleAction["Ignore"] = 1] = "Ignore"; + RuleAction[RuleAction["Space"] = 2] = "Space"; + RuleAction[RuleAction["NewLine"] = 4] = "NewLine"; + RuleAction[RuleAction["Delete"] = 8] = "Delete"; + })(formatting.RuleAction || (formatting.RuleAction = {})); + var RuleAction = formatting.RuleAction; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleDescriptor = (function () { + function RuleDescriptor(LeftTokenRange, RightTokenRange) { + this.LeftTokenRange = LeftTokenRange; + this.RightTokenRange = RightTokenRange; + } + RuleDescriptor.prototype.toString = function () { + return "[leftRange=" + this.LeftTokenRange + "," + + "rightRange=" + this.RightTokenRange + "]"; + }; + RuleDescriptor.create1 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create2 = function (left, right) { + return RuleDescriptor.create4(left, formatting.Shared.TokenRange.FromToken(right)); + }; + RuleDescriptor.create3 = function (left, right) { + return RuleDescriptor.create4(formatting.Shared.TokenRange.FromToken(left), right); + }; + RuleDescriptor.create4 = function (left, right) { + return new RuleDescriptor(left, right); + }; + return RuleDescriptor; + }()); + formatting.RuleDescriptor = RuleDescriptor; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + (function (RuleFlags) { + RuleFlags[RuleFlags["None"] = 0] = "None"; + RuleFlags[RuleFlags["CanDeleteNewLines"] = 1] = "CanDeleteNewLines"; + })(formatting.RuleFlags || (formatting.RuleFlags = {})); + var RuleFlags = formatting.RuleFlags; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperation = (function () { + function RuleOperation() { + this.Context = null; + this.Action = null; + } + RuleOperation.prototype.toString = function () { + return "[context=" + this.Context + "," + + "action=" + this.Action + "]"; + }; + RuleOperation.create1 = function (action) { + return RuleOperation.create2(formatting.RuleOperationContext.Any, action); + }; + RuleOperation.create2 = function (context, action) { + var result = new RuleOperation(); + result.Context = context; + result.Action = action; + return result; + }; + return RuleOperation; + }()); + formatting.RuleOperation = RuleOperation; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RuleOperationContext = (function () { + function RuleOperationContext() { + var funcs = []; + for (var _i = 0; _i < arguments.length; _i++) { + funcs[_i - 0] = arguments[_i]; + } + this.customContextChecks = funcs; + } + RuleOperationContext.prototype.IsAny = function () { + return this === RuleOperationContext.Any; + }; + RuleOperationContext.prototype.InContext = function (context) { + if (this.IsAny()) { + return true; + } + for (var _i = 0, _a = this.customContextChecks; _i < _a.length; _i++) { + var check = _a[_i]; + if (!check(context)) { + return false; + } + } + return true; + }; + RuleOperationContext.Any = new RuleOperationContext(); + return RuleOperationContext; + }()); + formatting.RuleOperationContext = RuleOperationContext; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Rules = (function () { + function Rules() { + /// + /// Common Rules + /// + // Leave comments alone + this.IgnoreBeforeComment = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.Comments), formatting.RuleOperation.create1(1 /* Ignore */)); + this.IgnoreAfterLineComment = new formatting.Rule(formatting.RuleDescriptor.create3(2 /* SingleLineCommentTrivia */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create1(1 /* Ignore */)); + // Space after keyword but not before ; or : or ? + this.NoSpaceBeforeSemicolon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeColon = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 54 /* ColonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.NoSpaceBeforeQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 53 /* QuestionToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.SpaceAfterColon = new formatting.Rule(formatting.RuleDescriptor.create3(54 /* ColonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 2 /* Space */)); + this.SpaceAfterQuestionMarkInConditionalOperator = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsConditionalOperatorContext), 2 /* Space */)); + this.NoSpaceAfterQuestionMark = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterSemicolon = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Space after }. + this.SpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsAfterCodeBlockContext), 2 /* Space */)); + // Special case for (}, else) and (}, while) since else & while tokens are not part of the tree which makes SpaceAfterCloseBrace rule not applied + this.SpaceBetweenCloseBraceAndElse = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 80 /* ElseKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBetweenCloseBraceAndWhile = new formatting.Rule(formatting.RuleDescriptor.create1(16 /* CloseBraceToken */, 104 /* WhileKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceAfterCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create3(16 /* CloseBraceToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 20 /* CloseBracketToken */, 24 /* CommaToken */, 23 /* SemicolonToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // No space for dot + this.NoSpaceBeforeDot = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 21 /* DotToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterDot = new formatting.Rule(formatting.RuleDescriptor.create3(21 /* DotToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // No space before and after indexer + this.NoSpaceBeforeOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 19 /* OpenBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create3(20 /* CloseBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBeforeBlockInFunctionDeclarationContext), 8 /* Delete */)); + // Place a space before open brace in a function declaration + this.FunctionOpenBraceLeftTokenRange = formatting.Shared.TokenRange.AnyIncludingMultilineComments; + this.SpaceBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Place a space before open brace in a TypeScript declaration that has braces as children (class, module, enum, etc) + this.TypeScriptOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 3 /* MultiLineCommentTrivia */, 73 /* ClassKeyword */]); + this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Place a space before open brace in a control flow construct + this.ControlOpenBraceLeftTokenRange = formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 3 /* MultiLineCommentTrivia */, 79 /* DoKeyword */, 100 /* TryKeyword */, 85 /* FinallyKeyword */, 80 /* ElseKeyword */]); + this.SpaceBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsNotFormatOnEnter, Rules.IsSameLineTokenOrBeforeMultilineBlockContext), 2 /* Space */), 1 /* CanDeleteNewLines */); + // Insert a space after { and before } in single-line contexts, but remove space from empty object literals {}. + this.SpaceAfterOpenBrace = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); + this.SpaceBeforeCloseBrace = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSingleLineBlockContext), 2 /* Space */)); + this.NoSpaceBetweenEmptyBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectContext), 8 /* Delete */)); + // Insert new line after { and before } in multi-line contexts. + this.NewLineAfterOpenBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create3(15 /* OpenBraceToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); + // For functions and control block place } on a new line [multi-line rule] + this.NewLineBeforeCloseBraceInBlockContext = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.AnyIncludingMultilineComments, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsMultilineBlockContext), 4 /* NewLine */)); + // Special handling of unary operators. + // Prefix operators generally shouldn't have a space between + // them and their target unary expression. + this.NoSpaceAfterUnaryPrefixOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.UnaryPrefixOperators, formatting.Shared.TokenRange.UnaryPrefixExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + this.NoSpaceAfterUnaryPreincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(41 /* PlusPlusToken */, formatting.Shared.TokenRange.UnaryPreincrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterUnaryPredecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create3(42 /* MinusMinusToken */, formatting.Shared.TokenRange.UnaryPredecrementExpressions), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeUnaryPostincrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostincrementExpressions, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeUnaryPostdecrementOperator = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.UnaryPostdecrementExpressions, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // More unary operator special-casing. + // DevDiv 181814: Be careful when removing leading whitespace + // around unary operators. Examples: + // 1 - -2 --X--> 1--2 + // a + ++b --X--> a+++b + this.SpaceAfterPostincrementWhenFollowedByAdd = new formatting.Rule(formatting.RuleDescriptor.create1(41 /* PlusPlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterAddWhenFollowedByUnaryPlus = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 35 /* PlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterAddWhenFollowedByPreincrement = new formatting.Rule(formatting.RuleDescriptor.create1(35 /* PlusToken */, 41 /* PlusPlusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterPostdecrementWhenFollowedBySubtract = new formatting.Rule(formatting.RuleDescriptor.create1(42 /* MinusMinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterSubtractWhenFollowedByUnaryMinus = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 36 /* MinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterSubtractWhenFollowedByPredecrement = new formatting.Rule(formatting.RuleDescriptor.create1(36 /* MinusToken */, 42 /* MinusMinusToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.NoSpaceBeforeComma = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 24 /* CommaToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterCertainKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([102 /* VarKeyword */, 98 /* ThrowKeyword */, 92 /* NewKeyword */, 78 /* DeleteKeyword */, 94 /* ReturnKeyword */, 101 /* TypeOfKeyword */, 119 /* AwaitKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceAfterLetConstInVariableDeclaration = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([108 /* LetKeyword */, 74 /* ConstKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsStartOfVariableDeclarationList), 2 /* Space */)); + this.NoSpaceBeforeOpenParenInFuncCall = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionCallOrNewContext, Rules.IsPreviousTokenNotComma), 8 /* Delete */)); + this.SpaceAfterFunctionInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create3(87 /* FunctionKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + this.NoSpaceBeforeOpenParenInFuncDecl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsFunctionDeclContext), 8 /* Delete */)); + this.SpaceAfterVoidOperator = new formatting.Rule(formatting.RuleDescriptor.create3(103 /* VoidKeyword */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsVoidOpContext), 2 /* Space */)); + this.NoSpaceBetweenReturnAndSemicolon = new formatting.Rule(formatting.RuleDescriptor.create1(94 /* ReturnKeyword */, 23 /* SemicolonToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Add a space between statements. All keywords except (do,else,case) has open/close parens after them. + // So, we have a rule to add a space for [),Any], [do,Any], [else,Any], and [case,Any] + this.SpaceBetweenStatements = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 79 /* DoKeyword */, 80 /* ElseKeyword */, 71 /* CaseKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotForContext), 2 /* Space */)); + // This low-pri rule takes care of "try {" and "finally {" in case the rule SpaceBeforeOpenBraceInControl didn't execute on FormatOnEnter. + this.SpaceAfterTryFinally = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([100 /* TryKeyword */, 85 /* FinallyKeyword */]), 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // get x() {} + // set x(val) {} + this.SpaceAfterGetSetInMember = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([123 /* GetKeyword */, 129 /* SetKeyword */]), 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + // Special case for binary operators (that are keywords). For these we have to add a space and shouldn't follow any user options. + this.SpaceBeforeBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryKeywordOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterBinaryKeywordOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryKeywordOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + // TypeScript-specific higher priority rules + // Treat constructor as an identifier in a function declaration, and remove spaces between constructor and following left parentheses + this.NoSpaceAfterConstructor = new formatting.Rule(formatting.RuleDescriptor.create1(121 /* ConstructorKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Use of module as a function call. e.g.: import m2 = module("m2"); + this.NoSpaceAfterModuleImport = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.FromTokens([125 /* ModuleKeyword */, 127 /* RequireKeyword */]), 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Add a space around certain TypeScript keywords + this.SpaceAfterCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 73 /* ClassKeyword */, 122 /* DeclareKeyword */, 77 /* DefaultKeyword */, 81 /* EnumKeyword */, 82 /* ExportKeyword */, 83 /* ExtendsKeyword */, 123 /* GetKeyword */, 106 /* ImplementsKeyword */, 89 /* ImportKeyword */, 107 /* InterfaceKeyword */, 125 /* ModuleKeyword */, 126 /* NamespaceKeyword */, 110 /* PrivateKeyword */, 112 /* PublicKeyword */, 111 /* ProtectedKeyword */, 129 /* SetKeyword */, 113 /* StaticKeyword */, 132 /* TypeKeyword */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCertainTypeScriptKeywords = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([83 /* ExtendsKeyword */, 106 /* ImplementsKeyword */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Treat string literals in module names as identifiers, and add a space between the literal and the opening Brace braces, e.g.: module "m2" { + this.SpaceAfterModuleName = new formatting.Rule(formatting.RuleDescriptor.create1(9 /* StringLiteral */, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsModuleDeclContext), 2 /* Space */)); + // Lambda expressions + this.SpaceBeforeArrow = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 34 /* EqualsGreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceAfterArrow = new formatting.Rule(formatting.RuleDescriptor.create3(34 /* EqualsGreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Optional parameters and let args + this.NoSpaceAfterEllipsis = new formatting.Rule(formatting.RuleDescriptor.create1(22 /* DotDotDotToken */, 69 /* Identifier */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOptionalParameters = new formatting.Rule(formatting.RuleDescriptor.create3(53 /* QuestionToken */, formatting.Shared.TokenRange.FromTokens([18 /* CloseParenToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNotBinaryOpContext), 8 /* Delete */)); + // generics and type assertions + this.NoSpaceBeforeOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.TypeNames, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceBetweenCloseParenAndAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create1(18 /* CloseParenToken */, 25 /* LessThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterOpenAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(25 /* LessThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 27 /* GreaterThanToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterCloseAngularBracket = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.FromTokens([17 /* OpenParenToken */, 19 /* OpenBracketToken */, 27 /* GreaterThanToken */, 24 /* CommaToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeArgumentOrParameterOrAssertionContext), 8 /* Delete */)); + this.NoSpaceAfterTypeAssertion = new formatting.Rule(formatting.RuleDescriptor.create3(27 /* GreaterThanToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsTypeAssertionContext), 8 /* Delete */)); + // Remove spaces in empty interface literals. e.g.: x: {} + this.NoSpaceBetweenEmptyInterfaceBraceBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(15 /* OpenBraceToken */, 16 /* CloseBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsObjectTypeContext), 8 /* Delete */)); + // decorators + this.SpaceBeforeAt = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 55 /* AtToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceAfterAt = new formatting.Rule(formatting.RuleDescriptor.create3(55 /* AtToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterDecorator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([115 /* AbstractKeyword */, 69 /* Identifier */, 82 /* ExportKeyword */, 77 /* DefaultKeyword */, 73 /* ClassKeyword */, 113 /* StaticKeyword */, 112 /* PublicKeyword */, 110 /* PrivateKeyword */, 111 /* ProtectedKeyword */, 123 /* GetKeyword */, 129 /* SetKeyword */, 19 /* OpenBracketToken */, 37 /* AsteriskToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsEndOfDecoratorContextOnSameLine), 2 /* Space */)); + this.NoSpaceBetweenFunctionKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 8 /* Delete */)); + this.SpaceAfterStarInGeneratorDeclaration = new formatting.Rule(formatting.RuleDescriptor.create3(37 /* AsteriskToken */, formatting.Shared.TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclarationOrFunctionExpressionContext), 2 /* Space */)); + this.NoSpaceBetweenYieldKeywordAndStar = new formatting.Rule(formatting.RuleDescriptor.create1(114 /* YieldKeyword */, 37 /* AsteriskToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 8 /* Delete */)); + this.SpaceBetweenYieldOrYieldStarAndOperand = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([114 /* YieldKeyword */, 37 /* AsteriskToken */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsYieldOrYieldStarWithOperand), 2 /* Space */)); + // Async-await + this.SpaceBetweenAsyncAndOpenParen = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsArrowFunctionContext, Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBetweenAsyncAndFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(118 /* AsyncKeyword */, 87 /* FunctionKeyword */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // template string + this.NoSpaceBetweenTagAndTemplateString = new formatting.Rule(formatting.RuleDescriptor.create3(69 /* Identifier */, formatting.Shared.TokenRange.FromTokens([11 /* NoSubstitutionTemplateLiteral */, 12 /* TemplateHead */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // These rules are higher in priority than user-configurable rules. + this.HighPriorityCommonRules = [ + this.IgnoreBeforeComment, this.IgnoreAfterLineComment, + this.NoSpaceBeforeColon, this.SpaceAfterColon, this.NoSpaceBeforeQuestionMark, this.SpaceAfterQuestionMarkInConditionalOperator, + this.NoSpaceAfterQuestionMark, + this.NoSpaceBeforeDot, this.NoSpaceAfterDot, + this.NoSpaceAfterUnaryPrefixOperator, + this.NoSpaceAfterUnaryPreincrementOperator, this.NoSpaceAfterUnaryPredecrementOperator, + this.NoSpaceBeforeUnaryPostincrementOperator, this.NoSpaceBeforeUnaryPostdecrementOperator, + this.SpaceAfterPostincrementWhenFollowedByAdd, + this.SpaceAfterAddWhenFollowedByUnaryPlus, this.SpaceAfterAddWhenFollowedByPreincrement, + this.SpaceAfterPostdecrementWhenFollowedBySubtract, + this.SpaceAfterSubtractWhenFollowedByUnaryMinus, this.SpaceAfterSubtractWhenFollowedByPredecrement, + this.NoSpaceAfterCloseBrace, + this.SpaceAfterOpenBrace, this.SpaceBeforeCloseBrace, this.NewLineBeforeCloseBraceInBlockContext, + this.SpaceAfterCloseBrace, this.SpaceBetweenCloseBraceAndElse, this.SpaceBetweenCloseBraceAndWhile, this.NoSpaceBetweenEmptyBraceBrackets, + this.NoSpaceBetweenFunctionKeywordAndStar, this.SpaceAfterStarInGeneratorDeclaration, + this.SpaceAfterFunctionInFuncDecl, this.NewLineAfterOpenBraceInBlockContext, this.SpaceAfterGetSetInMember, + this.NoSpaceBetweenYieldKeywordAndStar, this.SpaceBetweenYieldOrYieldStarAndOperand, + this.NoSpaceBetweenReturnAndSemicolon, + this.SpaceAfterCertainKeywords, + this.SpaceAfterLetConstInVariableDeclaration, + this.NoSpaceBeforeOpenParenInFuncCall, + this.SpaceBeforeBinaryKeywordOperator, this.SpaceAfterBinaryKeywordOperator, + this.SpaceAfterVoidOperator, + this.SpaceBetweenAsyncAndOpenParen, this.SpaceBetweenAsyncAndFunctionKeyword, + this.NoSpaceBetweenTagAndTemplateString, + // TypeScript-specific rules + this.NoSpaceAfterConstructor, this.NoSpaceAfterModuleImport, + this.SpaceAfterCertainTypeScriptKeywords, this.SpaceBeforeCertainTypeScriptKeywords, + this.SpaceAfterModuleName, + this.SpaceBeforeArrow, this.SpaceAfterArrow, + this.NoSpaceAfterEllipsis, + this.NoSpaceAfterOptionalParameters, + this.NoSpaceBetweenEmptyInterfaceBraceBrackets, + this.NoSpaceBeforeOpenAngularBracket, + this.NoSpaceBetweenCloseParenAndAngularBracket, + this.NoSpaceAfterOpenAngularBracket, + this.NoSpaceBeforeCloseAngularBracket, + this.NoSpaceAfterCloseAngularBracket, + this.NoSpaceAfterTypeAssertion, + this.SpaceBeforeAt, + this.NoSpaceAfterAt, + this.SpaceAfterDecorator, + ]; + // These rules are lower in priority than user-configurable rules. + this.LowPriorityCommonRules = [ + this.NoSpaceBeforeSemicolon, + this.SpaceBeforeOpenBraceInControl, this.SpaceBeforeOpenBraceInFunction, this.SpaceBeforeOpenBraceInTypeScriptDeclWithBlock, + this.NoSpaceBeforeComma, + this.NoSpaceBeforeOpenBracket, + this.NoSpaceAfterCloseBracket, + this.SpaceAfterSemicolon, + this.NoSpaceBeforeOpenParenInFuncDecl, + this.SpaceBetweenStatements, this.SpaceAfterTryFinally + ]; + /// + /// Rules controlled by user options + /// + // Insert space after comma delimiter + this.SpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsNextTokenNotCloseBracket), 2 /* Space */)); + this.NoSpaceAfterComma = new formatting.Rule(formatting.RuleDescriptor.create3(24 /* CommaToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space before and after binary operators + this.SpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.SpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 2 /* Space */)); + this.NoSpaceBeforeBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.BinaryOperators), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); + this.NoSpaceAfterBinaryOperator = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.BinaryOperators, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsBinaryOpContext), 8 /* Delete */)); + // Insert space after keywords in control flow statements + this.SpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 2 /* Space */)); + this.NoSpaceAfterKeywordInControl = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Keywords, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext), 8 /* Delete */)); + // Open Brace braces after function + //TypeScript: Function can have return types, which can be made of tons of different token kinds + this.NewLineBeforeOpenBraceInFunction = new formatting.Rule(formatting.RuleDescriptor.create2(this.FunctionOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Open Brace braces after TypeScript module/class/interface + this.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock = new formatting.Rule(formatting.RuleDescriptor.create2(this.TypeScriptOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsTypeScriptDeclWithBlockContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Open Brace braces after control block + this.NewLineBeforeOpenBraceInControl = new formatting.Rule(formatting.RuleDescriptor.create2(this.ControlOpenBraceLeftTokenRange, 15 /* OpenBraceToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsControlDeclContext, Rules.IsBeforeMultilineBlockContext), 4 /* NewLine */), 1 /* CanDeleteNewLines */); + // Insert space after semicolon in for statement + this.SpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 2 /* Space */)); + this.NoSpaceAfterSemicolonInFor = new formatting.Rule(formatting.RuleDescriptor.create3(23 /* SemicolonToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext, Rules.IsForContext), 8 /* Delete */)); + // Insert space after opening and before closing nonempty parenthesis + this.SpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBetweenParens = new formatting.Rule(formatting.RuleDescriptor.create1(17 /* OpenParenToken */, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOpenParen = new formatting.Rule(formatting.RuleDescriptor.create3(17 /* OpenParenToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseParen = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 18 /* CloseParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space after opening and before closing nonempty brackets + this.SpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.SpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBetweenBrackets = new formatting.Rule(formatting.RuleDescriptor.create1(19 /* OpenBracketToken */, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceAfterOpenBracket = new formatting.Rule(formatting.RuleDescriptor.create3(19 /* OpenBracketToken */, formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.NoSpaceBeforeCloseBracket = new formatting.Rule(formatting.RuleDescriptor.create2(formatting.Shared.TokenRange.Any, 20 /* CloseBracketToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + // Insert space after opening and before closing template string braces + this.NoSpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceAfterTemplateHeadAndMiddle = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.FromTokens([12 /* TemplateHead */, 13 /* TemplateMiddle */]), formatting.Shared.TokenRange.Any), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + this.NoSpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 8 /* Delete */)); + this.SpaceBeforeTemplateMiddleAndTail = new formatting.Rule(formatting.RuleDescriptor.create4(formatting.Shared.TokenRange.Any, formatting.Shared.TokenRange.FromTokens([13 /* TemplateMiddle */, 14 /* TemplateTail */])), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsSameLineTokenContext), 2 /* Space */)); + // Insert space after function keyword for anonymous functions + this.SpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 2 /* Space */)); + this.NoSpaceAfterAnonymousFunctionKeyword = new formatting.Rule(formatting.RuleDescriptor.create1(87 /* FunctionKeyword */, 17 /* OpenParenToken */), formatting.RuleOperation.create2(new formatting.RuleOperationContext(Rules.IsFunctionDeclContext), 8 /* Delete */)); + } + Rules.prototype.getRuleName = function (rule) { + var o = this; + for (var name_34 in o) { + if (o[name_34] === rule) { + return name_34; + } + } + throw new Error("Unknown rule"); + }; + /// + /// Contexts + /// + Rules.IsForContext = function (context) { + return context.contextNode.kind === 202 /* ForStatement */; + }; + Rules.IsNotForContext = function (context) { + return !Rules.IsForContext(context); + }; + Rules.IsBinaryOpContext = function (context) { + switch (context.contextNode.kind) { + case 184 /* BinaryExpression */: + case 185 /* ConditionalExpression */: + case 192 /* AsExpression */: + case 151 /* TypePredicate */: + case 159 /* UnionType */: + case 160 /* IntersectionType */: + return true; + // equals in binding elements: function foo([[x, y] = [1, 2]]) + case 166 /* BindingElement */: + // equals in type X = ... + case 219 /* TypeAliasDeclaration */: + // equal in import a = module('a'); + case 224 /* ImportEqualsDeclaration */: + // equal in let a = 0; + case 214 /* VariableDeclaration */: + // equal in p = 0; + case 139 /* Parameter */: + case 250 /* EnumMember */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return context.currentTokenSpan.kind === 56 /* EqualsToken */ || context.nextTokenSpan.kind === 56 /* EqualsToken */; + // "in" keyword in for (let x in []) { } + case 203 /* ForInStatement */: + return context.currentTokenSpan.kind === 90 /* InKeyword */ || context.nextTokenSpan.kind === 90 /* InKeyword */; + // Technically, "of" is not a binary operator, but format it the same way as "in" + case 204 /* ForOfStatement */: + return context.currentTokenSpan.kind === 135 /* OfKeyword */ || context.nextTokenSpan.kind === 135 /* OfKeyword */; + } + return false; + }; + Rules.IsNotBinaryOpContext = function (context) { + return !Rules.IsBinaryOpContext(context); + }; + Rules.IsConditionalOperatorContext = function (context) { + return context.contextNode.kind === 185 /* ConditionalExpression */; + }; + Rules.IsSameLineTokenOrBeforeMultilineBlockContext = function (context) { + //// This check is mainly used inside SpaceBeforeOpenBraceInControl and SpaceBeforeOpenBraceInFunction. + //// + //// Ex: + //// if (1) { .... + //// * ) and { are on the same line so apply the rule. Here we don't care whether it's same or multi block context + //// + //// Ex: + //// if (1) + //// { ... } + //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we don't format. + //// + //// Ex: + //// if (1) + //// { ... + //// } + //// * ) and { are on differnet lines. We only need to format if the block is multiline context. So in this case we format. + return context.TokensAreOnSameLine() || Rules.IsBeforeMultilineBlockContext(context); + }; + // This check is done before an open brace in a control construct, a function, or a typescript block declaration + Rules.IsBeforeMultilineBlockContext = function (context) { + return Rules.IsBeforeBlockContext(context) && !(context.NextNodeAllOnSameLine() || context.NextNodeBlockIsOnOneLine()); + }; + Rules.IsMultilineBlockContext = function (context) { + return Rules.IsBlockContext(context) && !(context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsSingleLineBlockContext = function (context) { + return Rules.IsBlockContext(context) && (context.ContextNodeAllOnSameLine() || context.ContextNodeBlockIsOnOneLine()); + }; + Rules.IsBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.contextNode); + }; + Rules.IsBeforeBlockContext = function (context) { + return Rules.NodeIsBlockContext(context.nextTokenParent); + }; + // IMPORTANT!!! This method must return true ONLY for nodes with open and close braces as immediate children + Rules.NodeIsBlockContext = function (node) { + if (Rules.NodeIsTypeScriptDeclWithBlockContext(node)) { + // This means we are in a context that looks like a block to the user, but in the grammar is actually not a node (it's a class, module, enum, object type literal, etc). + return true; + } + switch (node.kind) { + case 195 /* Block */: + case 223 /* CaseBlock */: + case 168 /* ObjectLiteralExpression */: + case 222 /* ModuleBlock */: + return true; + } + return false; + }; + Rules.IsFunctionDeclContext = function (context) { + switch (context.contextNode.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + //case SyntaxKind.MemberFunctionDeclaration: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + ///case SyntaxKind.MethodSignature: + case 148 /* CallSignature */: + case 176 /* FunctionExpression */: + case 145 /* Constructor */: + case 177 /* ArrowFunction */: + //case SyntaxKind.ConstructorDeclaration: + //case SyntaxKind.SimpleArrowFunctionExpression: + //case SyntaxKind.ParenthesizedArrowFunctionExpression: + case 218 /* InterfaceDeclaration */: + return true; + } + return false; + }; + Rules.IsFunctionDeclarationOrFunctionExpressionContext = function (context) { + return context.contextNode.kind === 216 /* FunctionDeclaration */ || context.contextNode.kind === 176 /* FunctionExpression */; + }; + Rules.IsTypeScriptDeclWithBlockContext = function (context) { + return Rules.NodeIsTypeScriptDeclWithBlockContext(context.contextNode); + }; + Rules.NodeIsTypeScriptDeclWithBlockContext = function (node) { + switch (node.kind) { + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 156 /* TypeLiteral */: + case 221 /* ModuleDeclaration */: + return true; + } + return false; + }; + Rules.IsAfterCodeBlockContext = function (context) { + switch (context.currentTokenParent.kind) { + case 217 /* ClassDeclaration */: + case 221 /* ModuleDeclaration */: + case 220 /* EnumDeclaration */: + case 195 /* Block */: + case 247 /* CatchClause */: + case 222 /* ModuleBlock */: + case 209 /* SwitchStatement */: + return true; + } + return false; + }; + Rules.IsControlDeclContext = function (context) { + switch (context.contextNode.kind) { + case 199 /* IfStatement */: + case 209 /* SwitchStatement */: + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + case 212 /* TryStatement */: + case 200 /* DoStatement */: + case 208 /* WithStatement */: + // TODO + // case SyntaxKind.ElseClause: + case 247 /* CatchClause */: + return true; + default: + return false; + } + }; + Rules.IsObjectContext = function (context) { + return context.contextNode.kind === 168 /* ObjectLiteralExpression */; + }; + Rules.IsFunctionCallContext = function (context) { + return context.contextNode.kind === 171 /* CallExpression */; + }; + Rules.IsNewContext = function (context) { + return context.contextNode.kind === 172 /* NewExpression */; + }; + Rules.IsFunctionCallOrNewContext = function (context) { + return Rules.IsFunctionCallContext(context) || Rules.IsNewContext(context); + }; + Rules.IsPreviousTokenNotComma = function (context) { + return context.currentTokenSpan.kind !== 24 /* CommaToken */; + }; + Rules.IsNextTokenNotCloseBracket = function (context) { + return context.nextTokenSpan.kind !== 20 /* CloseBracketToken */; + }; + Rules.IsArrowFunctionContext = function (context) { + return context.contextNode.kind === 177 /* ArrowFunction */; + }; + Rules.IsSameLineTokenContext = function (context) { + return context.TokensAreOnSameLine(); + }; + Rules.IsNotBeforeBlockInFunctionDeclarationContext = function (context) { + return !Rules.IsFunctionDeclContext(context) && !Rules.IsBeforeBlockContext(context); + }; + Rules.IsEndOfDecoratorContextOnSameLine = function (context) { + return context.TokensAreOnSameLine() && + context.contextNode.decorators && + Rules.NodeIsInDecoratorContext(context.currentTokenParent) && + !Rules.NodeIsInDecoratorContext(context.nextTokenParent); + }; + Rules.NodeIsInDecoratorContext = function (node) { + while (ts.isExpression(node)) { + node = node.parent; + } + return node.kind === 140 /* Decorator */; + }; + Rules.IsStartOfVariableDeclarationList = function (context) { + return context.currentTokenParent.kind === 215 /* VariableDeclarationList */ && + context.currentTokenParent.getStart(context.sourceFile) === context.currentTokenSpan.pos; + }; + Rules.IsNotFormatOnEnter = function (context) { + return context.formattingRequestKind !== 2 /* FormatOnEnter */; + }; + Rules.IsModuleDeclContext = function (context) { + return context.contextNode.kind === 221 /* ModuleDeclaration */; + }; + Rules.IsObjectTypeContext = function (context) { + return context.contextNode.kind === 156 /* TypeLiteral */; // && context.contextNode.parent.kind !== SyntaxKind.InterfaceDeclaration; + }; + Rules.IsTypeArgumentOrParameterOrAssertion = function (token, parent) { + if (token.kind !== 25 /* LessThanToken */ && token.kind !== 27 /* GreaterThanToken */) { + return false; + } + switch (parent.kind) { + case 152 /* TypeReference */: + case 174 /* TypeAssertionExpression */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 191 /* ExpressionWithTypeArguments */: + return true; + default: + return false; + } + }; + Rules.IsTypeArgumentOrParameterOrAssertionContext = function (context) { + return Rules.IsTypeArgumentOrParameterOrAssertion(context.currentTokenSpan, context.currentTokenParent) || + Rules.IsTypeArgumentOrParameterOrAssertion(context.nextTokenSpan, context.nextTokenParent); + }; + Rules.IsTypeAssertionContext = function (context) { + return context.contextNode.kind === 174 /* TypeAssertionExpression */; + }; + Rules.IsVoidOpContext = function (context) { + return context.currentTokenSpan.kind === 103 /* VoidKeyword */ && context.currentTokenParent.kind === 180 /* VoidExpression */; + }; + Rules.IsYieldOrYieldStarWithOperand = function (context) { + return context.contextNode.kind === 187 /* YieldExpression */ && context.contextNode.expression !== undefined; + }; + return Rules; + }()); + formatting.Rules = Rules; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesMap = (function () { + function RulesMap() { + this.map = []; + this.mapRowLength = 0; + } + RulesMap.create = function (rules) { + var result = new RulesMap(); + result.Initialize(rules); + return result; + }; + RulesMap.prototype.Initialize = function (rules) { + this.mapRowLength = 135 /* LastToken */ + 1; + this.map = new Array(this.mapRowLength * this.mapRowLength); //new Array(this.mapRowLength * this.mapRowLength); + // This array is used only during construction of the rulesbucket in the map + var rulesBucketConstructionStateList = new Array(this.map.length); //new Array(this.map.length); + this.FillRules(rules, rulesBucketConstructionStateList); + return this.map; + }; + RulesMap.prototype.FillRules = function (rules, rulesBucketConstructionStateList) { + var _this = this; + rules.forEach(function (rule) { + _this.FillRule(rule, rulesBucketConstructionStateList); + }); + }; + RulesMap.prototype.GetRuleBucketIndex = function (row, column) { + var rulesBucketIndex = (row * this.mapRowLength) + column; + //Debug.Assert(rulesBucketIndex < this.map.Length, "Trying to access an index outside the array."); + return rulesBucketIndex; + }; + RulesMap.prototype.FillRule = function (rule, rulesBucketConstructionStateList) { + var _this = this; + var specificRule = rule.Descriptor.LeftTokenRange !== formatting.Shared.TokenRange.Any && + rule.Descriptor.RightTokenRange !== formatting.Shared.TokenRange.Any; + rule.Descriptor.LeftTokenRange.GetTokens().forEach(function (left) { + rule.Descriptor.RightTokenRange.GetTokens().forEach(function (right) { + var rulesBucketIndex = _this.GetRuleBucketIndex(left, right); + var rulesBucket = _this.map[rulesBucketIndex]; + if (rulesBucket === undefined) { + rulesBucket = _this.map[rulesBucketIndex] = new RulesBucket(); + } + rulesBucket.AddRule(rule, specificRule, rulesBucketConstructionStateList, rulesBucketIndex); + }); + }); + }; + RulesMap.prototype.GetRule = function (context) { + var bucketIndex = this.GetRuleBucketIndex(context.currentTokenSpan.kind, context.nextTokenSpan.kind); + var bucket = this.map[bucketIndex]; + if (bucket != null) { + for (var _i = 0, _a = bucket.Rules(); _i < _a.length; _i++) { + var rule = _a[_i]; + if (rule.Operation.Context.InContext(context)) { + return rule; + } + } + } + return null; + }; + return RulesMap; + }()); + formatting.RulesMap = RulesMap; + var MaskBitSize = 5; + var Mask = 0x1f; + (function (RulesPosition) { + RulesPosition[RulesPosition["IgnoreRulesSpecific"] = 0] = "IgnoreRulesSpecific"; + RulesPosition[RulesPosition["IgnoreRulesAny"] = MaskBitSize * 1] = "IgnoreRulesAny"; + RulesPosition[RulesPosition["ContextRulesSpecific"] = MaskBitSize * 2] = "ContextRulesSpecific"; + RulesPosition[RulesPosition["ContextRulesAny"] = MaskBitSize * 3] = "ContextRulesAny"; + RulesPosition[RulesPosition["NoContextRulesSpecific"] = MaskBitSize * 4] = "NoContextRulesSpecific"; + RulesPosition[RulesPosition["NoContextRulesAny"] = MaskBitSize * 5] = "NoContextRulesAny"; + })(formatting.RulesPosition || (formatting.RulesPosition = {})); + var RulesPosition = formatting.RulesPosition; + var RulesBucketConstructionState = (function () { + function RulesBucketConstructionState() { + //// The Rules list contains all the inserted rules into a rulebucket in the following order: + //// 1- Ignore rules with specific token combination + //// 2- Ignore rules with any token combination + //// 3- Context rules with specific token combination + //// 4- Context rules with any token combination + //// 5- Non-context rules with specific token combination + //// 6- Non-context rules with any token combination + //// + //// The member rulesInsertionIndexBitmap is used to describe the number of rules + //// in each sub-bucket (above) hence can be used to know the index of where to insert + //// the next rule. It's a bitmap which contains 6 different sections each is given 5 bits. + //// + //// Example: + //// In order to insert a rule to the end of sub-bucket (3), we get the index by adding + //// the values in the bitmap segments 3rd, 2nd, and 1st. + this.rulesInsertionIndexBitmap = 0; + } + RulesBucketConstructionState.prototype.GetInsertionIndex = function (maskPosition) { + var index = 0; + var pos = 0; + var indexBitmap = this.rulesInsertionIndexBitmap; + while (pos <= maskPosition) { + index += (indexBitmap & Mask); + indexBitmap >>= MaskBitSize; + pos += MaskBitSize; + } + return index; + }; + RulesBucketConstructionState.prototype.IncreaseInsertionIndex = function (maskPosition) { + var value = (this.rulesInsertionIndexBitmap >> maskPosition) & Mask; + value++; + ts.Debug.assert((value & Mask) === value, "Adding more rules into the sub-bucket than allowed. Maximum allowed is 32 rules."); + var temp = this.rulesInsertionIndexBitmap & ~(Mask << maskPosition); + temp |= value << maskPosition; + this.rulesInsertionIndexBitmap = temp; + }; + return RulesBucketConstructionState; + }()); + formatting.RulesBucketConstructionState = RulesBucketConstructionState; + var RulesBucket = (function () { + function RulesBucket() { + this.rules = []; + } + RulesBucket.prototype.Rules = function () { + return this.rules; + }; + RulesBucket.prototype.AddRule = function (rule, specificTokens, constructionState, rulesBucketIndex) { + var position; + if (rule.Operation.Action === 1 /* Ignore */) { + position = specificTokens ? + RulesPosition.IgnoreRulesSpecific : + RulesPosition.IgnoreRulesAny; + } + else if (!rule.Operation.Context.IsAny()) { + position = specificTokens ? + RulesPosition.ContextRulesSpecific : + RulesPosition.ContextRulesAny; + } + else { + position = specificTokens ? + RulesPosition.NoContextRulesSpecific : + RulesPosition.NoContextRulesAny; + } + var state = constructionState[rulesBucketIndex]; + if (state === undefined) { + state = constructionState[rulesBucketIndex] = new RulesBucketConstructionState(); + } + var index = state.GetInsertionIndex(position); + this.rules.splice(index, 0, rule); + state.IncreaseInsertionIndex(position); + }; + return RulesBucket; + }()); + formatting.RulesBucket = RulesBucket; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Shared; + (function (Shared) { + var TokenRangeAccess = (function () { + function TokenRangeAccess(from, to, except) { + this.tokens = []; + for (var token = from; token <= to; token++) { + if (ts.indexOf(except, token) < 0) { + this.tokens.push(token); + } + } + } + TokenRangeAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenRangeAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenRangeAccess; + }()); + Shared.TokenRangeAccess = TokenRangeAccess; + var TokenValuesAccess = (function () { + function TokenValuesAccess(tks) { + this.tokens = tks && tks.length ? tks : []; + } + TokenValuesAccess.prototype.GetTokens = function () { + return this.tokens; + }; + TokenValuesAccess.prototype.Contains = function (token) { + return this.tokens.indexOf(token) >= 0; + }; + return TokenValuesAccess; + }()); + Shared.TokenValuesAccess = TokenValuesAccess; + var TokenSingleValueAccess = (function () { + function TokenSingleValueAccess(token) { + this.token = token; + } + TokenSingleValueAccess.prototype.GetTokens = function () { + return [this.token]; + }; + TokenSingleValueAccess.prototype.Contains = function (tokenValue) { + return tokenValue === this.token; + }; + return TokenSingleValueAccess; + }()); + Shared.TokenSingleValueAccess = TokenSingleValueAccess; + var TokenAllAccess = (function () { + function TokenAllAccess() { + } + TokenAllAccess.prototype.GetTokens = function () { + var result = []; + for (var token = 0 /* FirstToken */; token <= 135 /* LastToken */; token++) { + result.push(token); + } + return result; + }; + TokenAllAccess.prototype.Contains = function (tokenValue) { + return true; + }; + TokenAllAccess.prototype.toString = function () { + return "[allTokens]"; + }; + return TokenAllAccess; + }()); + Shared.TokenAllAccess = TokenAllAccess; + var TokenRange = (function () { + function TokenRange(tokenAccess) { + this.tokenAccess = tokenAccess; + } + TokenRange.FromToken = function (token) { + return new TokenRange(new TokenSingleValueAccess(token)); + }; + TokenRange.FromTokens = function (tokens) { + return new TokenRange(new TokenValuesAccess(tokens)); + }; + TokenRange.FromRange = function (f, to, except) { + if (except === void 0) { except = []; } + return new TokenRange(new TokenRangeAccess(f, to, except)); + }; + TokenRange.AllTokens = function () { + return new TokenRange(new TokenAllAccess()); + }; + TokenRange.prototype.GetTokens = function () { + return this.tokenAccess.GetTokens(); + }; + TokenRange.prototype.Contains = function (token) { + return this.tokenAccess.Contains(token); + }; + TokenRange.prototype.toString = function () { + return this.tokenAccess.toString(); + }; + TokenRange.Any = TokenRange.AllTokens(); + TokenRange.AnyIncludingMultilineComments = TokenRange.FromTokens(TokenRange.Any.GetTokens().concat([3 /* MultiLineCommentTrivia */])); + TokenRange.Keywords = TokenRange.FromRange(70 /* FirstKeyword */, 135 /* LastKeyword */); + TokenRange.BinaryOperators = TokenRange.FromRange(25 /* FirstBinaryOperator */, 68 /* LastBinaryOperator */); + TokenRange.BinaryKeywordOperators = TokenRange.FromTokens([90 /* InKeyword */, 91 /* InstanceOfKeyword */, 135 /* OfKeyword */, 116 /* AsKeyword */, 124 /* IsKeyword */]); + TokenRange.UnaryPrefixOperators = TokenRange.FromTokens([41 /* PlusPlusToken */, 42 /* MinusMinusToken */, 50 /* TildeToken */, 49 /* ExclamationToken */]); + TokenRange.UnaryPrefixExpressions = TokenRange.FromTokens([8 /* NumericLiteral */, 69 /* Identifier */, 17 /* OpenParenToken */, 19 /* OpenBracketToken */, 15 /* OpenBraceToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPreincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPostincrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); + TokenRange.UnaryPredecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 17 /* OpenParenToken */, 97 /* ThisKeyword */, 92 /* NewKeyword */]); + TokenRange.UnaryPostdecrementExpressions = TokenRange.FromTokens([69 /* Identifier */, 18 /* CloseParenToken */, 20 /* CloseBracketToken */, 92 /* NewKeyword */]); + TokenRange.Comments = TokenRange.FromTokens([2 /* SingleLineCommentTrivia */, 3 /* MultiLineCommentTrivia */]); + TokenRange.TypeNames = TokenRange.FromTokens([69 /* Identifier */, 128 /* NumberKeyword */, 130 /* StringKeyword */, 120 /* BooleanKeyword */, 131 /* SymbolKeyword */, 103 /* VoidKeyword */, 117 /* AnyKeyword */]); + return TokenRange; + }()); + Shared.TokenRange = TokenRange; + })(Shared = formatting.Shared || (formatting.Shared = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var RulesProvider = (function () { + function RulesProvider() { + this.globalRules = new formatting.Rules(); + } + RulesProvider.prototype.getRuleName = function (rule) { + return this.globalRules.getRuleName(rule); + }; + RulesProvider.prototype.getRuleByName = function (name) { + return this.globalRules[name]; + }; + RulesProvider.prototype.getRulesMap = function () { + return this.rulesMap; + }; + RulesProvider.prototype.ensureUpToDate = function (options) { + // TODO: Should this be '==='? + if (this.options == null || !ts.compareDataObjects(this.options, options)) { + var activeRules = this.createActiveRules(options); + var rulesMap = formatting.RulesMap.create(activeRules); + this.activeRules = activeRules; + this.rulesMap = rulesMap; + this.options = ts.clone(options); + } + }; + RulesProvider.prototype.createActiveRules = function (options) { + var rules = this.globalRules.HighPriorityCommonRules.slice(0); + if (options.InsertSpaceAfterCommaDelimiter) { + rules.push(this.globalRules.SpaceAfterComma); + } + else { + rules.push(this.globalRules.NoSpaceAfterComma); + } + if (options.InsertSpaceAfterFunctionKeywordForAnonymousFunctions) { + rules.push(this.globalRules.SpaceAfterAnonymousFunctionKeyword); + } + else { + rules.push(this.globalRules.NoSpaceAfterAnonymousFunctionKeyword); + } + if (options.InsertSpaceAfterKeywordsInControlFlowStatements) { + rules.push(this.globalRules.SpaceAfterKeywordInControl); + } + else { + rules.push(this.globalRules.NoSpaceAfterKeywordInControl); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis) { + rules.push(this.globalRules.SpaceAfterOpenParen); + rules.push(this.globalRules.SpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenParen); + rules.push(this.globalRules.NoSpaceBeforeCloseParen); + rules.push(this.globalRules.NoSpaceBetweenParens); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets) { + rules.push(this.globalRules.SpaceAfterOpenBracket); + rules.push(this.globalRules.SpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + else { + rules.push(this.globalRules.NoSpaceAfterOpenBracket); + rules.push(this.globalRules.NoSpaceBeforeCloseBracket); + rules.push(this.globalRules.NoSpaceBetweenBrackets); + } + if (options.InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces) { + rules.push(this.globalRules.SpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.SpaceBeforeTemplateMiddleAndTail); + } + else { + rules.push(this.globalRules.NoSpaceAfterTemplateHeadAndMiddle); + rules.push(this.globalRules.NoSpaceBeforeTemplateMiddleAndTail); + } + if (options.InsertSpaceAfterSemicolonInForStatements) { + rules.push(this.globalRules.SpaceAfterSemicolonInFor); + } + else { + rules.push(this.globalRules.NoSpaceAfterSemicolonInFor); + } + if (options.InsertSpaceBeforeAndAfterBinaryOperators) { + rules.push(this.globalRules.SpaceBeforeBinaryOperator); + rules.push(this.globalRules.SpaceAfterBinaryOperator); + } + else { + rules.push(this.globalRules.NoSpaceBeforeBinaryOperator); + rules.push(this.globalRules.NoSpaceAfterBinaryOperator); + } + if (options.PlaceOpenBraceOnNewLineForControlBlocks) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInControl); + } + if (options.PlaceOpenBraceOnNewLineForFunctions) { + rules.push(this.globalRules.NewLineBeforeOpenBraceInFunction); + rules.push(this.globalRules.NewLineBeforeOpenBraceInTypeScriptDeclWithBlock); + } + rules = rules.concat(this.globalRules.LowPriorityCommonRules); + return rules; + }; + return RulesProvider; + }()); + formatting.RulesProvider = RulesProvider; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var Constants; + (function (Constants) { + Constants[Constants["Unknown"] = -1] = "Unknown"; + })(Constants || (Constants = {})); + function formatOnEnter(position, sourceFile, rulesProvider, options) { + var line = sourceFile.getLineAndCharacterOfPosition(position).line; + if (line === 0) { + return []; + } + // get the span for the previous\current line + var span = { + // get start position for the previous line + pos: ts.getStartPositionOfLine(line - 1, sourceFile), + // get end position for the current line (end value is exclusive so add 1 to the result) + end: ts.getEndLinePosition(line, sourceFile) + 1 + }; + return formatSpan(span, sourceFile, options, rulesProvider, 2 /* FormatOnEnter */); + } + formatting.formatOnEnter = formatOnEnter; + function formatOnSemicolon(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 23 /* SemicolonToken */, sourceFile, options, rulesProvider, 3 /* FormatOnSemicolon */); + } + formatting.formatOnSemicolon = formatOnSemicolon; + function formatOnClosingCurly(position, sourceFile, rulesProvider, options) { + return formatOutermostParent(position, 16 /* CloseBraceToken */, sourceFile, options, rulesProvider, 4 /* FormatOnClosingCurlyBrace */); + } + formatting.formatOnClosingCurly = formatOnClosingCurly; + function formatDocument(sourceFile, rulesProvider, options) { + var span = { + pos: 0, + end: sourceFile.text.length + }; + return formatSpan(span, sourceFile, options, rulesProvider, 0 /* FormatDocument */); + } + formatting.formatDocument = formatDocument; + function formatSelection(start, end, sourceFile, rulesProvider, options) { + // format from the beginning of the line + var span = { + pos: ts.getLineStartPositionForPosition(start, sourceFile), + end: end + }; + return formatSpan(span, sourceFile, options, rulesProvider, 1 /* FormatSelection */); + } + formatting.formatSelection = formatSelection; + function formatOutermostParent(position, expectedLastToken, sourceFile, options, rulesProvider, requestKind) { + var parent = findOutermostParent(position, expectedLastToken, sourceFile); + if (!parent) { + return []; + } + var span = { + pos: ts.getLineStartPositionForPosition(parent.getStart(sourceFile), sourceFile), + end: parent.end + }; + return formatSpan(span, sourceFile, options, rulesProvider, requestKind); + } + function findOutermostParent(position, expectedTokenKind, sourceFile) { + var precedingToken = ts.findPrecedingToken(position, sourceFile); + // when it is claimed that trigger character was typed at given position + // we verify that there is a token with a matching kind whose end is equal to position (because the character was just typed). + // If this condition is not hold - then trigger character was typed in some other context, + // i.e.in comment and thus should not trigger autoformatting + if (!precedingToken || + precedingToken.kind !== expectedTokenKind || + position !== precedingToken.getEnd()) { + return undefined; + } + // walk up and search for the parent node that ends at the same position with precedingToken. + // for cases like this + // + // let x = 1; + // while (true) { + // } + // after typing close curly in while statement we want to reformat just the while statement. + // However if we just walk upwards searching for the parent that has the same end value - + // we'll end up with the whole source file. isListElement allows to stop on the list element level + var current = precedingToken; + while (current && + current.parent && + current.parent.end === precedingToken.end && + !isListElement(current.parent, current)) { + current = current.parent; + } + return current; + } + // Returns true if node is a element in some list in parent + // i.e. parent is class declaration with the list of members and node is one of members. + function isListElement(parent, node) { + switch (parent.kind) { + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + return ts.rangeContainsRange(parent.members, node); + case 221 /* ModuleDeclaration */: + var body = parent.body; + return body && body.kind === 195 /* Block */ && ts.rangeContainsRange(body.statements, node); + case 251 /* SourceFile */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + return ts.rangeContainsRange(parent.statements, node); + case 247 /* CatchClause */: + return ts.rangeContainsRange(parent.block.statements, node); + } + return false; + } + /** find node that fully contains given text range */ + function findEnclosingNode(range, sourceFile) { + return find(sourceFile); + function find(n) { + var candidate = ts.forEachChild(n, function (c) { return ts.startEndContainsRange(c.getStart(sourceFile), c.end, range) && c; }); + if (candidate) { + var result = find(candidate); + if (result) { + return result; + } + } + return n; + } + } + /** formatting is not applied to ranges that contain parse errors. + * This function will return a predicate that for a given text range will tell + * if there are any parse errors that overlap with the range. + */ + function prepareRangeContainsErrorFunction(errors, originalRange) { + if (!errors.length) { + return rangeHasNoErrors; + } + // pick only errors that fall in range + var sorted = errors + .filter(function (d) { return ts.rangeOverlapsWithStartEnd(originalRange, d.start, d.start + d.length); }) + .sort(function (e1, e2) { return e1.start - e2.start; }); + if (!sorted.length) { + return rangeHasNoErrors; + } + var index = 0; + return function (r) { + // in current implementation sequence of arguments [r1, r2...] is monotonically increasing. + // 'index' tracks the index of the most recent error that was checked. + while (true) { + if (index >= sorted.length) { + // all errors in the range were already checked -> no error in specified range + return false; + } + var error = sorted[index]; + if (r.end <= error.start) { + // specified range ends before the error refered by 'index' - no error in range + return false; + } + if (ts.startEndOverlapsWithStartEnd(r.pos, r.end, error.start, error.start + error.length)) { + // specified range overlaps with error range + return true; + } + index++; + } + }; + function rangeHasNoErrors(r) { + return false; + } + } + /** + * Start of the original range might fall inside the comment - scanner will not yield appropriate results + * This function will look for token that is located before the start of target range + * and return its end as start position for the scanner. + */ + function getScanStartPosition(enclosingNode, originalRange, sourceFile) { + var start = enclosingNode.getStart(sourceFile); + if (start === originalRange.pos && enclosingNode.end === originalRange.end) { + return start; + } + var precedingToken = ts.findPrecedingToken(originalRange.pos, sourceFile); + if (!precedingToken) { + // no preceding token found - start from the beginning of enclosing node + return enclosingNode.pos; + } + // preceding token ends after the start of original range (i.e when originaRange.pos falls in the middle of literal) + // start from the beginning of enclosingNode to handle the entire 'originalRange' + if (precedingToken.end >= originalRange.pos) { + return enclosingNode.pos; + } + return precedingToken.end; + } + /* + * For cases like + * if (a || + * b ||$ + * c) {...} + * If we hit Enter at $ we want line ' b ||' to be indented. + * Formatting will be applied to the last two lines. + * Node that fully encloses these lines is binary expression 'a ||...'. + * Initial indentation for this node will be 0. + * Binary expressions don't introduce new indentation scopes, however it is possible + * that some parent node on the same line does - like if statement in this case. + * Note that we are considering parents only from the same line with initial node - + * if parent is on the different line - its delta was already contributed + * to the initial indentation. + */ + function getOwnOrInheritedDelta(n, options, sourceFile) { + var previousLine = -1 /* Unknown */; + var child; + while (n) { + var line = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)).line; + if (previousLine !== -1 /* Unknown */ && line !== previousLine) { + break; + } + if (formatting.SmartIndenter.shouldIndentChildNode(n, child)) { + return options.IndentSize; + } + previousLine = line; + child = n; + n = n.parent; + } + return 0; + } + function formatSpan(originalRange, sourceFile, options, rulesProvider, requestKind) { + var rangeContainsError = prepareRangeContainsErrorFunction(sourceFile.parseDiagnostics, originalRange); + // formatting context is used by rules provider + var formattingContext = new formatting.FormattingContext(sourceFile, requestKind); + // find the smallest node that fully wraps the range and compute the initial indentation for the node + var enclosingNode = findEnclosingNode(originalRange, sourceFile); + var formattingScanner = formatting.getFormattingScanner(sourceFile, getScanStartPosition(enclosingNode, originalRange, sourceFile), originalRange.end); + var initialIndentation = formatting.SmartIndenter.getIndentationForNode(enclosingNode, originalRange, sourceFile, options); + var previousRangeHasError; + var previousRange; + var previousParent; + var previousRangeStartLine; + var lastIndentedLine; + var indentationOnLastIndentedLine; + var edits = []; + formattingScanner.advance(); + if (formattingScanner.isOnToken()) { + var startLine = sourceFile.getLineAndCharacterOfPosition(enclosingNode.getStart(sourceFile)).line; + var undecoratedStartLine = startLine; + if (enclosingNode.decorators) { + undecoratedStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(enclosingNode, sourceFile)).line; + } + var delta = getOwnOrInheritedDelta(enclosingNode, options, sourceFile); + processNode(enclosingNode, enclosingNode, startLine, undecoratedStartLine, initialIndentation, delta); + } + if (!formattingScanner.isOnToken()) { + var leadingTrivia = formattingScanner.getCurrentLeadingTrivia(); + if (leadingTrivia) { + processTrivia(leadingTrivia, enclosingNode, enclosingNode, undefined); + trimTrailingWhitespacesForRemainingRange(); + } + } + formattingScanner.close(); + return edits; + // local functions + /** Tries to compute the indentation for a list element. + * If list element is not in range then + * function will pick its actual indentation + * so it can be pushed downstream as inherited indentation. + * If list element is in the range - its indentation will be equal + * to inherited indentation from its predecessors. + */ + function tryComputeIndentationForListItem(startPos, endPos, parentStartLine, range, inheritedIndentation) { + if (ts.rangeOverlapsWithStartEnd(range, startPos, endPos) || + ts.rangeContainsStartEnd(range, startPos, endPos) /* Not to miss zero-range nodes e.g. JsxText */) { + if (inheritedIndentation !== -1 /* Unknown */) { + return inheritedIndentation; + } + } + else { + var startLine = sourceFile.getLineAndCharacterOfPosition(startPos).line; + var startLinePosition = ts.getLineStartPositionForPosition(startPos, sourceFile); + var column = formatting.SmartIndenter.findFirstNonWhitespaceColumn(startLinePosition, startPos, sourceFile, options); + if (startLine !== parentStartLine || startPos === column) { + return column; + } + } + return -1 /* Unknown */; + } + function computeIndentation(node, startLine, inheritedIndentation, parent, parentDynamicIndentation, effectiveParentStartLine) { + var indentation = inheritedIndentation; + var delta = formatting.SmartIndenter.shouldIndentChildNode(node) ? options.IndentSize : 0; + if (effectiveParentStartLine === startLine) { + // if node is located on the same line with the parent + // - inherit indentation from the parent + // - push children if either parent of node itself has non-zero delta + indentation = startLine === lastIndentedLine + ? indentationOnLastIndentedLine + : parentDynamicIndentation.getIndentation(); + delta = Math.min(options.IndentSize, parentDynamicIndentation.getDelta(node) + delta); + } + else if (indentation === -1 /* Unknown */) { + if (formatting.SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement(parent, node, startLine, sourceFile)) { + indentation = parentDynamicIndentation.getIndentation(); + } + else { + indentation = parentDynamicIndentation.getIndentation() + parentDynamicIndentation.getDelta(node); + } + } + return { + indentation: indentation, + delta: delta + }; + } + function getFirstNonDecoratorTokenOfNode(node) { + if (node.modifiers && node.modifiers.length) { + return node.modifiers[0].kind; + } + switch (node.kind) { + case 217 /* ClassDeclaration */: return 73 /* ClassKeyword */; + case 218 /* InterfaceDeclaration */: return 107 /* InterfaceKeyword */; + case 216 /* FunctionDeclaration */: return 87 /* FunctionKeyword */; + case 220 /* EnumDeclaration */: return 220 /* EnumDeclaration */; + case 146 /* GetAccessor */: return 123 /* GetKeyword */; + case 147 /* SetAccessor */: return 129 /* SetKeyword */; + case 144 /* MethodDeclaration */: + if (node.asteriskToken) { + return 37 /* AsteriskToken */; + } + // fall-through + case 142 /* PropertyDeclaration */: + case 139 /* Parameter */: + return node.name.kind; + } + } + function getDynamicIndentation(node, nodeStartLine, indentation, delta) { + return { + getIndentationForComment: function (kind, tokenIndentation, container) { + switch (kind) { + // preceding comment to the token that closes the indentation scope inherits the indentation from the scope + // .. { + // // comment + // } + case 16 /* CloseBraceToken */: + case 20 /* CloseBracketToken */: + case 18 /* CloseParenToken */: + return indentation + getEffectiveDelta(delta, container); + } + return tokenIndentation !== -1 /* Unknown */ ? tokenIndentation : indentation; + }, + getIndentationForToken: function (line, kind, container) { + if (nodeStartLine !== line && node.decorators) { + if (kind === getFirstNonDecoratorTokenOfNode(node)) { + // if this token is the first token following the list of decorators, we do not need to indent + return indentation; + } + } + switch (kind) { + // open and close brace, 'else' and 'while' (in do statement) tokens has indentation of the parent + case 15 /* OpenBraceToken */: + case 16 /* CloseBraceToken */: + case 19 /* OpenBracketToken */: + case 20 /* CloseBracketToken */: + case 17 /* OpenParenToken */: + case 18 /* CloseParenToken */: + case 80 /* ElseKeyword */: + case 104 /* WhileKeyword */: + case 55 /* AtToken */: + return indentation; + default: + // if token line equals to the line of containing node (this is a first token in the node) - use node indentation + return nodeStartLine !== line ? indentation + getEffectiveDelta(delta, container) : indentation; + } + }, + getIndentation: function () { return indentation; }, + getDelta: function (child) { return getEffectiveDelta(delta, child); }, + recomputeIndentation: function (lineAdded) { + if (node.parent && formatting.SmartIndenter.shouldIndentChildNode(node.parent, node)) { + if (lineAdded) { + indentation += options.IndentSize; + } + else { + indentation -= options.IndentSize; + } + if (formatting.SmartIndenter.shouldIndentChildNode(node)) { + delta = options.IndentSize; + } + else { + delta = 0; + } + } + } + }; + function getEffectiveDelta(delta, child) { + // Delta value should be zero when the node explicitly prevents indentation of the child node + return formatting.SmartIndenter.nodeWillIndentChild(node, child, true) ? delta : 0; + } + } + function processNode(node, contextNode, nodeStartLine, undecoratedNodeStartLine, indentation, delta) { + if (!ts.rangeOverlapsWithStartEnd(originalRange, node.getStart(sourceFile), node.getEnd())) { + return; + } + var nodeDynamicIndentation = getDynamicIndentation(node, nodeStartLine, indentation, delta); + // a useful observations when tracking context node + // / + // [a] + // / | \ + // [b] [c] [d] + // node 'a' is a context node for nodes 'b', 'c', 'd' + // except for the leftmost leaf token in [b] - in this case context node ('e') is located somewhere above 'a' + // this rule can be applied recursively to child nodes of 'a'. + // + // context node is set to parent node value after processing every child node + // context node is set to parent of the token after processing every token + var childContextNode = contextNode; + // if there are any tokens that logically belong to node and interleave child nodes + // such tokens will be consumed in processChildNode for for the child that follows them + ts.forEachChild(node, function (child) { + processChildNode(child, /*inheritedIndentation*/ -1 /* Unknown */, node, nodeDynamicIndentation, nodeStartLine, undecoratedNodeStartLine, /*isListElement*/ false); + }, function (nodes) { + processChildNodes(nodes, node, nodeStartLine, nodeDynamicIndentation); + }); + // proceed any tokens in the node that are located after child nodes + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > node.end) { + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, nodeDynamicIndentation); + } + function processChildNode(child, inheritedIndentation, parent, parentDynamicIndentation, parentStartLine, undecoratedParentStartLine, isListItem) { + var childStartPos = child.getStart(sourceFile); + var childStartLine = sourceFile.getLineAndCharacterOfPosition(childStartPos).line; + var undecoratedChildStartLine = childStartLine; + if (child.decorators) { + undecoratedChildStartLine = sourceFile.getLineAndCharacterOfPosition(ts.getNonDecoratorTokenPosOfNode(child, sourceFile)).line; + } + // if child is a list item - try to get its indentation + var childIndentationAmount = -1 /* Unknown */; + if (isListItem) { + childIndentationAmount = tryComputeIndentationForListItem(childStartPos, child.end, parentStartLine, originalRange, inheritedIndentation); + if (childIndentationAmount !== -1 /* Unknown */) { + inheritedIndentation = childIndentationAmount; + } + } + // child node is outside the target range - do not dive inside + if (!ts.rangeOverlapsWithStartEnd(originalRange, child.pos, child.end)) { + return inheritedIndentation; + } + if (child.getFullWidth() === 0) { + return inheritedIndentation; + } + while (formattingScanner.isOnToken()) { + // proceed any parent tokens that are located prior to child.getStart() + var tokenInfo = formattingScanner.readTokenInfo(node); + if (tokenInfo.token.end > childStartPos) { + // stop when formatting scanner advances past the beginning of the child + break; + } + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation); + } + if (!formattingScanner.isOnToken()) { + return inheritedIndentation; + } + if (ts.isToken(child)) { + // if child node is a token, it does not impact indentation, proceed it using parent indentation scope rules + var tokenInfo = formattingScanner.readTokenInfo(child); + ts.Debug.assert(tokenInfo.token.end === child.end); + consumeTokenAndAdvanceScanner(tokenInfo, node, parentDynamicIndentation, child); + return inheritedIndentation; + } + var effectiveParentStartLine = child.kind === 140 /* Decorator */ ? childStartLine : undecoratedParentStartLine; + var childIndentation = computeIndentation(child, childStartLine, childIndentationAmount, node, parentDynamicIndentation, effectiveParentStartLine); + processNode(child, childContextNode, childStartLine, undecoratedChildStartLine, childIndentation.indentation, childIndentation.delta); + childContextNode = node; + return inheritedIndentation; + } + function processChildNodes(nodes, parent, parentStartLine, parentDynamicIndentation) { + var listStartToken = getOpenTokenForList(parent, nodes); + var listEndToken = getCloseTokenForOpenToken(listStartToken); + var listDynamicIndentation = parentDynamicIndentation; + var startLine = parentStartLine; + if (listStartToken !== 0 /* Unknown */) { + // introduce a new indentation scope for lists (including list start and end tokens) + while (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + if (tokenInfo.token.end > nodes.pos) { + // stop when formatting scanner moves past the beginning of node list + break; + } + else if (tokenInfo.token.kind === listStartToken) { + // consume list start token + startLine = sourceFile.getLineAndCharacterOfPosition(tokenInfo.token.pos).line; + var indentation_1 = computeIndentation(tokenInfo.token, startLine, -1 /* Unknown */, parent, parentDynamicIndentation, parentStartLine); + listDynamicIndentation = getDynamicIndentation(parent, parentStartLine, indentation_1.indentation, indentation_1.delta); + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + else { + // consume any tokens that precede the list as child elements of 'node' using its indentation scope + consumeTokenAndAdvanceScanner(tokenInfo, parent, parentDynamicIndentation); + } + } + } + var inheritedIndentation = -1 /* Unknown */; + for (var _i = 0, nodes_6 = nodes; _i < nodes_6.length; _i++) { + var child = nodes_6[_i]; + inheritedIndentation = processChildNode(child, inheritedIndentation, node, listDynamicIndentation, startLine, startLine, /*isListElement*/ true); + } + if (listEndToken !== 0 /* Unknown */) { + if (formattingScanner.isOnToken()) { + var tokenInfo = formattingScanner.readTokenInfo(parent); + // consume the list end token only if it is still belong to the parent + // there might be the case when current token matches end token but does not considered as one + // function (x: function) <-- + // without this check close paren will be interpreted as list end token for function expression which is wrong + if (tokenInfo.token.kind === listEndToken && ts.rangeContainsRange(parent, tokenInfo.token)) { + // consume list end token + consumeTokenAndAdvanceScanner(tokenInfo, parent, listDynamicIndentation); + } + } + } + } + function consumeTokenAndAdvanceScanner(currentTokenInfo, parent, dynamicIndentation, container) { + ts.Debug.assert(ts.rangeContainsRange(parent, currentTokenInfo.token)); + var lastTriviaWasNewLine = formattingScanner.lastTrailingTriviaWasNewLine(); + var indentToken = false; + if (currentTokenInfo.leadingTrivia) { + processTrivia(currentTokenInfo.leadingTrivia, parent, childContextNode, dynamicIndentation); + } + var lineAdded; + var isTokenInRange = ts.rangeContainsRange(originalRange, currentTokenInfo.token); + var tokenStart = sourceFile.getLineAndCharacterOfPosition(currentTokenInfo.token.pos); + if (isTokenInRange) { + var rangeHasError = rangeContainsError(currentTokenInfo.token); + // save previousRange since processRange will overwrite this value with current one + var savePreviousRange = previousRange; + lineAdded = processRange(currentTokenInfo.token, tokenStart, parent, childContextNode, dynamicIndentation); + if (rangeHasError) { + // do not indent comments\token if token range overlaps with some error + indentToken = false; + } + else { + if (lineAdded !== undefined) { + indentToken = lineAdded; + } + else { + // indent token only if end line of previous range does not match start line of the token + var prevEndLine = savePreviousRange && sourceFile.getLineAndCharacterOfPosition(savePreviousRange.end).line; + indentToken = lastTriviaWasNewLine && tokenStart.line !== prevEndLine; + } + } + } + if (currentTokenInfo.trailingTrivia) { + processTrivia(currentTokenInfo.trailingTrivia, parent, childContextNode, dynamicIndentation); + } + if (indentToken) { + var tokenIndentation = (isTokenInRange && !rangeContainsError(currentTokenInfo.token)) ? + dynamicIndentation.getIndentationForToken(tokenStart.line, currentTokenInfo.token.kind, container) : + -1 /* Unknown */; + if (currentTokenInfo.leadingTrivia) { + var commentIndentation = dynamicIndentation.getIndentationForComment(currentTokenInfo.token.kind, tokenIndentation, container); + var indentNextTokenOrTrivia = true; + for (var _i = 0, _a = currentTokenInfo.leadingTrivia; _i < _a.length; _i++) { + var triviaItem = _a[_i]; + if (!ts.rangeContainsRange(originalRange, triviaItem)) { + continue; + } + switch (triviaItem.kind) { + case 3 /* MultiLineCommentTrivia */: + indentMultilineComment(triviaItem, commentIndentation, /*firstLineIsIndented*/ !indentNextTokenOrTrivia); + indentNextTokenOrTrivia = false; + break; + case 2 /* SingleLineCommentTrivia */: + if (indentNextTokenOrTrivia) { + insertIndentation(triviaItem.pos, commentIndentation, /*lineAdded*/ false); + indentNextTokenOrTrivia = false; + } + break; + case 4 /* NewLineTrivia */: + indentNextTokenOrTrivia = true; + break; + } + } + } + // indent token only if is it is in target range and does not overlap with any error ranges + if (tokenIndentation !== -1 /* Unknown */) { + insertIndentation(currentTokenInfo.token.pos, tokenIndentation, lineAdded); + lastIndentedLine = tokenStart.line; + indentationOnLastIndentedLine = tokenIndentation; + } + } + formattingScanner.advance(); + childContextNode = parent; + } + } + function processTrivia(trivia, parent, contextNode, dynamicIndentation) { + for (var _i = 0, trivia_1 = trivia; _i < trivia_1.length; _i++) { + var triviaItem = trivia_1[_i]; + if (ts.isComment(triviaItem.kind) && ts.rangeContainsRange(originalRange, triviaItem)) { + var triviaItemStart = sourceFile.getLineAndCharacterOfPosition(triviaItem.pos); + processRange(triviaItem, triviaItemStart, parent, contextNode, dynamicIndentation); + } + } + } + function processRange(range, rangeStart, parent, contextNode, dynamicIndentation) { + var rangeHasError = rangeContainsError(range); + var lineAdded; + if (!rangeHasError && !previousRangeHasError) { + if (!previousRange) { + // trim whitespaces starting from the beginning of the span up to the current line + var originalStart = sourceFile.getLineAndCharacterOfPosition(originalRange.pos); + trimTrailingWhitespacesForLines(originalStart.line, rangeStart.line); + } + else { + lineAdded = + processPair(range, rangeStart.line, parent, previousRange, previousRangeStartLine, previousParent, contextNode, dynamicIndentation); + } + } + previousRange = range; + previousParent = parent; + previousRangeStartLine = rangeStart.line; + previousRangeHasError = rangeHasError; + return lineAdded; + } + function processPair(currentItem, currentStartLine, currentParent, previousItem, previousStartLine, previousParent, contextNode, dynamicIndentation) { + formattingContext.updateContext(previousItem, previousParent, currentItem, currentParent, contextNode); + var rule = rulesProvider.getRulesMap().GetRule(formattingContext); + var trimTrailingWhitespaces; + var lineAdded; + if (rule) { + applyRuleEdits(rule, previousItem, previousStartLine, currentItem, currentStartLine); + if (rule.Operation.Action & (2 /* Space */ | 8 /* Delete */) && currentStartLine !== previousStartLine) { + lineAdded = false; + // Handle the case where the next line is moved to be the end of this line. + // In this case we don't indent the next line in the next pass. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAdded*/ false); + } + } + else if (rule.Operation.Action & 4 /* NewLine */ && currentStartLine === previousStartLine) { + lineAdded = true; + // Handle the case where token2 is moved to the new line. + // In this case we indent token2 in the next pass but we set + // sameLineIndent flag to notify the indenter that the indentation is within the line. + if (currentParent.getStart(sourceFile) === currentItem.pos) { + dynamicIndentation.recomputeIndentation(/*lineAdded*/ true); + } + } + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespaces = !(rule.Operation.Action & 8 /* Delete */) && rule.Flag !== 1 /* CanDeleteNewLines */; + } + else { + trimTrailingWhitespaces = true; + } + if (currentStartLine !== previousStartLine && trimTrailingWhitespaces) { + // We need to trim trailing whitespace between the tokens if they were on different lines, and no rule was applied to put them on the same line + trimTrailingWhitespacesForLines(previousStartLine, currentStartLine, previousItem); + } + return lineAdded; + } + function insertIndentation(pos, indentation, lineAdded) { + var indentationString = getIndentationString(indentation, options); + if (lineAdded) { + // new line is added before the token by the formatting rules + // insert indentation string at the very beginning of the token + recordReplace(pos, 0, indentationString); + } + else { + var tokenStart = sourceFile.getLineAndCharacterOfPosition(pos); + if (indentation !== tokenStart.character) { + var startLinePosition = ts.getStartPositionOfLine(tokenStart.line, sourceFile); + recordReplace(startLinePosition, tokenStart.character, indentationString); + } + } + } + function indentMultilineComment(commentRange, indentation, firstLineIsIndented) { + // split comment in lines + var startLine = sourceFile.getLineAndCharacterOfPosition(commentRange.pos).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(commentRange.end).line; + var parts; + if (startLine === endLine) { + if (!firstLineIsIndented) { + // treat as single line comment + insertIndentation(commentRange.pos, indentation, /*lineAdded*/ false); + } + return; + } + else { + parts = []; + var startPos = commentRange.pos; + for (var line = startLine; line < endLine; ++line) { + var endOfLine = ts.getEndLinePosition(line, sourceFile); + parts.push({ pos: startPos, end: endOfLine }); + startPos = ts.getStartPositionOfLine(line + 1, sourceFile); + } + parts.push({ pos: startPos, end: commentRange.end }); + } + var startLinePos = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceColumnInFirstPart = formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(startLinePos, parts[0].pos, sourceFile, options); + if (indentation === nonWhitespaceColumnInFirstPart.column) { + return; + } + var startIndex = 0; + if (firstLineIsIndented) { + startIndex = 1; + startLine++; + } + // shift all parts on the delta size + var delta = indentation - nonWhitespaceColumnInFirstPart.column; + for (var i = startIndex, len = parts.length; i < len; ++i, ++startLine) { + var startLinePos_1 = ts.getStartPositionOfLine(startLine, sourceFile); + var nonWhitespaceCharacterAndColumn = i === 0 + ? nonWhitespaceColumnInFirstPart + : formatting.SmartIndenter.findFirstNonWhitespaceCharacterAndColumn(parts[i].pos, parts[i].end, sourceFile, options); + var newIndentation = nonWhitespaceCharacterAndColumn.column + delta; + if (newIndentation > 0) { + var indentationString = getIndentationString(newIndentation, options); + recordReplace(startLinePos_1, nonWhitespaceCharacterAndColumn.character, indentationString); + } + else { + recordDelete(startLinePos_1, nonWhitespaceCharacterAndColumn.character); + } + } + } + function trimTrailingWhitespacesForLines(line1, line2, range) { + for (var line = line1; line < line2; ++line) { + var lineStartPosition = ts.getStartPositionOfLine(line, sourceFile); + var lineEndPosition = ts.getEndLinePosition(line, sourceFile); + // do not trim whitespaces in comments or template expression + if (range && (ts.isComment(range.kind) || ts.isStringOrRegularExpressionOrTemplateLiteral(range.kind)) && range.pos <= lineEndPosition && range.end > lineEndPosition) { + continue; + } + var whitespaceStart = getTrailingWhitespaceStartPosition(lineStartPosition, lineEndPosition); + if (whitespaceStart !== -1) { + ts.Debug.assert(whitespaceStart === lineStartPosition || !ts.isWhiteSpace(sourceFile.text.charCodeAt(whitespaceStart - 1))); + recordDelete(whitespaceStart, lineEndPosition + 1 - whitespaceStart); + } + } + } + /** + * @param start The position of the first character in range + * @param end The position of the last character in range + */ + function getTrailingWhitespaceStartPosition(start, end) { + var pos = end; + while (pos >= start && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos--; + } + if (pos !== end) { + return pos + 1; + } + return -1; + } + /** + * Trimming will be done for lines after the previous range + */ + function trimTrailingWhitespacesForRemainingRange() { + var startPosition = previousRange ? previousRange.end : originalRange.pos; + var startLine = sourceFile.getLineAndCharacterOfPosition(startPosition).line; + var endLine = sourceFile.getLineAndCharacterOfPosition(originalRange.end).line; + trimTrailingWhitespacesForLines(startLine, endLine + 1, previousRange); + } + function newTextChange(start, len, newText) { + return { span: ts.createTextSpan(start, len), newText: newText }; + } + function recordDelete(start, len) { + if (len) { + edits.push(newTextChange(start, len, "")); + } + } + function recordReplace(start, len, newText) { + if (len || newText) { + edits.push(newTextChange(start, len, newText)); + } + } + function applyRuleEdits(rule, previousRange, previousStartLine, currentRange, currentStartLine) { + var between; + switch (rule.Operation.Action) { + case 1 /* Ignore */: + // no action required + return; + case 8 /* Delete */: + if (previousRange.end !== currentRange.pos) { + // delete characters starting from t1.end up to t2.pos exclusive + recordDelete(previousRange.end, currentRange.pos - previousRange.end); + } + break; + case 4 /* NewLine */: + // exit early if we on different lines and rule cannot change number of newlines + // if line1 and line2 are on subsequent lines then no edits are required - ok to exit + // if line1 and line2 are separated with more than one newline - ok to exit since we cannot delete extra new lines + if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return; + } + // edit should not be applied only if we have one line feed between elements + var lineDelta = currentStartLine - previousStartLine; + if (lineDelta !== 1) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, options.NewLineCharacter); + } + break; + case 2 /* Space */: + // exit early if we on different lines and rule cannot change number of newlines + if (rule.Flag !== 1 /* CanDeleteNewLines */ && previousStartLine !== currentStartLine) { + return; + } + var posDelta = currentRange.pos - previousRange.end; + if (posDelta !== 1 || sourceFile.text.charCodeAt(previousRange.end) !== 32 /* space */) { + recordReplace(previousRange.end, currentRange.pos - previousRange.end, " "); + } + break; + } + } + } + function isSomeBlock(kind) { + switch (kind) { + case 195 /* Block */: + case 222 /* ModuleBlock */: + return true; + } + return false; + } + function getOpenTokenForList(node, list) { + switch (node.kind) { + case 145 /* Constructor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 177 /* ArrowFunction */: + if (node.typeParameters === list) { + return 25 /* LessThanToken */; + } + else if (node.parameters === list) { + return 17 /* OpenParenToken */; + } + break; + case 171 /* CallExpression */: + case 172 /* NewExpression */: + if (node.typeArguments === list) { + return 25 /* LessThanToken */; + } + else if (node.arguments === list) { + return 17 /* OpenParenToken */; + } + break; + case 152 /* TypeReference */: + if (node.typeArguments === list) { + return 25 /* LessThanToken */; + } + } + return 0 /* Unknown */; + } + function getCloseTokenForOpenToken(kind) { + switch (kind) { + case 17 /* OpenParenToken */: + return 18 /* CloseParenToken */; + case 25 /* LessThanToken */: + return 27 /* GreaterThanToken */; + } + return 0 /* Unknown */; + } + var internedSizes; + var internedTabsIndentation; + var internedSpacesIndentation; + function getIndentationString(indentation, options) { + // reset interned strings if FormatCodeOptions were changed + var resetInternedStrings = !internedSizes || (internedSizes.tabSize !== options.TabSize || internedSizes.indentSize !== options.IndentSize); + if (resetInternedStrings) { + internedSizes = { tabSize: options.TabSize, indentSize: options.IndentSize }; + internedTabsIndentation = internedSpacesIndentation = undefined; + } + if (!options.ConvertTabsToSpaces) { + var tabs = Math.floor(indentation / options.TabSize); + var spaces = indentation - tabs * options.TabSize; + var tabString = void 0; + if (!internedTabsIndentation) { + internedTabsIndentation = []; + } + if (internedTabsIndentation[tabs] === undefined) { + internedTabsIndentation[tabs] = tabString = repeat('\t', tabs); + } + else { + tabString = internedTabsIndentation[tabs]; + } + return spaces ? tabString + repeat(" ", spaces) : tabString; + } + else { + var spacesString = void 0; + var quotient = Math.floor(indentation / options.IndentSize); + var remainder = indentation % options.IndentSize; + if (!internedSpacesIndentation) { + internedSpacesIndentation = []; + } + if (internedSpacesIndentation[quotient] === undefined) { + spacesString = repeat(" ", options.IndentSize * quotient); + internedSpacesIndentation[quotient] = spacesString; + } + else { + spacesString = internedSpacesIndentation[quotient]; + } + return remainder ? spacesString + repeat(" ", remainder) : spacesString; + } + function repeat(value, count) { + var s = ""; + for (var i = 0; i < count; ++i) { + s += value; + } + return s; + } + } + formatting.getIndentationString = getIndentationString; + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/* @internal */ +var ts; +(function (ts) { + var formatting; + (function (formatting) { + var SmartIndenter; + (function (SmartIndenter) { + var Value; + (function (Value) { + Value[Value["Unknown"] = -1] = "Unknown"; + })(Value || (Value = {})); + function getIndentation(position, sourceFile, options) { + if (position > sourceFile.text.length) { + return 0; // past EOF + } + // no indentation when the indent style is set to none, + // so we can return fast + if (options.IndentStyle === ts.IndentStyle.None) { + return 0; + } + var precedingToken = ts.findPrecedingToken(position, sourceFile); + if (!precedingToken) { + return 0; + } + // no indentation in string \regex\template literals + var precedingTokenIsLiteral = ts.isStringOrRegularExpressionOrTemplateLiteral(precedingToken.kind); + if (precedingTokenIsLiteral && precedingToken.getStart(sourceFile) <= position && precedingToken.end > position) { + return 0; + } + var lineAtPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + // indentation is first non-whitespace character in a previous line + // for block indentation, we should look for a line which contains something that's not + // whitespace. + if (options.IndentStyle === ts.IndentStyle.Block) { + // move backwards until we find a line with a non-whitespace character, + // then find the first non-whitespace character for that line. + var current_1 = position; + while (current_1 > 0) { + var char = sourceFile.text.charCodeAt(current_1); + if (!ts.isWhiteSpace(char) && !ts.isLineBreak(char)) { + break; + } + current_1--; + } + var lineStart = ts.getLineStartPositionForPosition(current_1, sourceFile); + return SmartIndenter.findFirstNonWhitespaceColumn(lineStart, current_1, sourceFile, options); + } + if (precedingToken.kind === 24 /* CommaToken */ && precedingToken.parent.kind !== 184 /* BinaryExpression */) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var actualIndentation = getActualIndentationForListItemBeforeComma(precedingToken, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation; + } + } + // try to find node that can contribute to indentation and includes 'position' starting from 'precedingToken' + // if such node is found - compute initial indentation for 'position' inside this node + var previous; + var current = precedingToken; + var currentStart; + var indentationDelta; + while (current) { + if (ts.positionBelongsToNode(current, position, sourceFile) && shouldIndentChildNode(current, previous)) { + currentStart = getStartLineAndCharacterForNode(current, sourceFile); + if (nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile)) { + indentationDelta = 0; + } + else { + indentationDelta = lineAtPosition !== currentStart.line ? options.IndentSize : 0; + } + break; + } + // check if current node is a list item - if yes, take indentation from it + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + options.IndentSize; + } + previous = current; + current = current.parent; + } + if (!current) { + // no parent was found - return 0 to be indented on the level of SourceFile + return 0; + } + return getIndentationForNodeWorker(current, currentStart, /*ignoreActualIndentationRange*/ undefined, indentationDelta, sourceFile, options); + } + SmartIndenter.getIndentation = getIndentation; + function getIndentationForNode(n, ignoreActualIndentationRange, sourceFile, options) { + var start = sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + return getIndentationForNodeWorker(n, start, ignoreActualIndentationRange, /*indentationDelta*/ 0, sourceFile, options); + } + SmartIndenter.getIndentationForNode = getIndentationForNode; + function getIndentationForNodeWorker(current, currentStart, ignoreActualIndentationRange, indentationDelta, sourceFile, options) { + var parent = current.parent; + var parentStart; + // walk upwards and collect indentations for pairs of parent-child nodes + // indentation is not added if parent and child nodes start on the same line or if parent is IfStatement and child starts on the same line with 'else clause' + while (parent) { + var useActualIndentation = true; + if (ignoreActualIndentationRange) { + var start = current.getStart(sourceFile); + useActualIndentation = start < ignoreActualIndentationRange.pos || start > ignoreActualIndentationRange.end; + } + if (useActualIndentation) { + // check if current node is a list item - if yes, take indentation from it + var actualIndentation = getActualIndentationForListItem(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + } + parentStart = getParentStart(parent, current, sourceFile); + var parentAndChildShareLine = parentStart.line === currentStart.line || + childStartsOnTheSameLineWithElseInIfStatement(parent, current, currentStart.line, sourceFile); + if (useActualIndentation) { + // try to fetch actual indentation for current node from source text + var actualIndentation = getActualIndentationForNode(current, parent, currentStart, parentAndChildShareLine, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + actualIndentation = getLineIndentationWhenExpressionIsInMultiLine(current, sourceFile, options); + if (actualIndentation !== -1 /* Unknown */) { + return actualIndentation + indentationDelta; + } + } + // increase indentation if parent node wants its content to be indented and parent and child nodes don't start on the same line + if (shouldIndentChildNode(parent, current) && !parentAndChildShareLine) { + indentationDelta += options.IndentSize; + } + current = parent; + currentStart = parentStart; + parent = current.parent; + } + return indentationDelta; + } + function getParentStart(parent, child, sourceFile) { + var containingList = getContainingList(child, sourceFile); + if (containingList) { + return sourceFile.getLineAndCharacterOfPosition(containingList.pos); + } + return sourceFile.getLineAndCharacterOfPosition(parent.getStart(sourceFile)); + } + /* + * Function returns Value.Unknown if indentation cannot be determined + */ + function getActualIndentationForListItemBeforeComma(commaToken, sourceFile, options) { + // previous token is comma that separates items in list - find the previous item and try to derive indentation from it + var commaItemInfo = ts.findListItemInfo(commaToken); + if (commaItemInfo && commaItemInfo.listItemIndex > 0) { + return deriveActualIndentationFromList(commaItemInfo.list.getChildren(), commaItemInfo.listItemIndex - 1, sourceFile, options); + } + else { + // handle broken code gracefully + return -1 /* Unknown */; + } + } + /* + * Function returns Value.Unknown if actual indentation for node should not be used (i.e because node is nested expression) + */ + function getActualIndentationForNode(current, parent, currentLineAndChar, parentAndChildShareLine, sourceFile, options) { + // actual indentation is used for statements\declarations if one of cases below is true: + // - parent is SourceFile - by default immediate children of SourceFile are not indented except when user indents them manually + // - parent and child are not on the same line + var useActualIndentation = (ts.isDeclaration(current) || ts.isStatement(current)) && + (parent.kind === 251 /* SourceFile */ || !parentAndChildShareLine); + if (!useActualIndentation) { + return -1 /* Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(currentLineAndChar, sourceFile, options); + } + function nextTokenIsCurlyBraceOnSameLineAsCursor(precedingToken, current, lineAtPosition, sourceFile) { + var nextToken = ts.findNextToken(precedingToken, current); + if (!nextToken) { + return false; + } + if (nextToken.kind === 15 /* OpenBraceToken */) { + // open braces are always indented at the parent level + return true; + } + else if (nextToken.kind === 16 /* CloseBraceToken */) { + // close braces are indented at the parent level if they are located on the same line with cursor + // this means that if new line will be added at $ position, this case will be indented + // class A { + // $ + // } + /// and this one - not + // class A { + // $} + var nextTokenStartLine = getStartLineAndCharacterForNode(nextToken, sourceFile).line; + return lineAtPosition === nextTokenStartLine; + } + return false; + } + function getStartLineAndCharacterForNode(n, sourceFile) { + return sourceFile.getLineAndCharacterOfPosition(n.getStart(sourceFile)); + } + function childStartsOnTheSameLineWithElseInIfStatement(parent, child, childStartLine, sourceFile) { + if (parent.kind === 199 /* IfStatement */ && parent.elseStatement === child) { + var elseKeyword = ts.findChildOfKind(parent, 80 /* ElseKeyword */, sourceFile); + ts.Debug.assert(elseKeyword !== undefined); + var elseKeywordStartLine = getStartLineAndCharacterForNode(elseKeyword, sourceFile).line; + return elseKeywordStartLine === childStartLine; + } + return false; + } + SmartIndenter.childStartsOnTheSameLineWithElseInIfStatement = childStartsOnTheSameLineWithElseInIfStatement; + function getContainingList(node, sourceFile) { + if (node.parent) { + switch (node.parent.kind) { + case 152 /* TypeReference */: + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, node.getStart(sourceFile), node.getEnd())) { + return node.parent.typeArguments; + } + break; + case 168 /* ObjectLiteralExpression */: + return node.parent.properties; + case 167 /* ArrayLiteralExpression */: + return node.parent.elements; + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: { + var start = node.getStart(sourceFile); + if (node.parent.typeParameters && + ts.rangeContainsStartEnd(node.parent.typeParameters, start, node.getEnd())) { + return node.parent.typeParameters; + } + if (ts.rangeContainsStartEnd(node.parent.parameters, start, node.getEnd())) { + return node.parent.parameters; + } + break; + } + case 172 /* NewExpression */: + case 171 /* CallExpression */: { + var start = node.getStart(sourceFile); + if (node.parent.typeArguments && + ts.rangeContainsStartEnd(node.parent.typeArguments, start, node.getEnd())) { + return node.parent.typeArguments; + } + if (node.parent.arguments && + ts.rangeContainsStartEnd(node.parent.arguments, start, node.getEnd())) { + return node.parent.arguments; + } + break; + } + } + } + return undefined; + } + function getActualIndentationForListItem(node, sourceFile, options) { + var containingList = getContainingList(node, sourceFile); + return containingList ? getActualIndentationFromList(containingList) : -1 /* Unknown */; + function getActualIndentationFromList(list) { + var index = ts.indexOf(list, node); + return index !== -1 ? deriveActualIndentationFromList(list, index, sourceFile, options) : -1 /* Unknown */; + } + } + function getLineIndentationWhenExpressionIsInMultiLine(node, sourceFile, options) { + // actual indentation should not be used when: + // - node is close parenthesis - this is the end of the expression + if (node.kind === 18 /* CloseParenToken */) { + return -1 /* Unknown */; + } + if (node.parent && (node.parent.kind === 171 /* CallExpression */ || + node.parent.kind === 172 /* NewExpression */) && + node.parent.expression !== node) { + var fullCallOrNewExpression = node.parent.expression; + var startingExpression = getStartingExpression(fullCallOrNewExpression); + if (fullCallOrNewExpression === startingExpression) { + return -1 /* Unknown */; + } + var fullCallOrNewExpressionEnd = sourceFile.getLineAndCharacterOfPosition(fullCallOrNewExpression.end); + var startingExpressionEnd = sourceFile.getLineAndCharacterOfPosition(startingExpression.end); + if (fullCallOrNewExpressionEnd.line === startingExpressionEnd.line) { + return -1 /* Unknown */; + } + return findColumnForFirstNonWhitespaceCharacterInLine(fullCallOrNewExpressionEnd, sourceFile, options); + } + return -1 /* Unknown */; + function getStartingExpression(node) { + while (true) { + switch (node.kind) { + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 169 /* PropertyAccessExpression */: + case 170 /* ElementAccessExpression */: + node = node.expression; + break; + default: + return node; + } + } + } + } + function deriveActualIndentationFromList(list, index, sourceFile, options) { + ts.Debug.assert(index >= 0 && index < list.length); + var node = list[index]; + // walk toward the start of the list starting from current node and check if the line is the same for all items. + // if end line for item [i - 1] differs from the start line for item [i] - find column of the first non-whitespace character on the line of item [i] + var lineAndCharacter = getStartLineAndCharacterForNode(node, sourceFile); + for (var i = index - 1; i >= 0; --i) { + if (list[i].kind === 24 /* CommaToken */) { + continue; + } + // skip list items that ends on the same line with the current list element + var prevEndLine = sourceFile.getLineAndCharacterOfPosition(list[i].end).line; + if (prevEndLine !== lineAndCharacter.line) { + return findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options); + } + lineAndCharacter = getStartLineAndCharacterForNode(list[i], sourceFile); + } + return -1 /* Unknown */; + } + function findColumnForFirstNonWhitespaceCharacterInLine(lineAndCharacter, sourceFile, options) { + var lineStart = sourceFile.getPositionOfLineAndCharacter(lineAndCharacter.line, 0); + return findFirstNonWhitespaceColumn(lineStart, lineStart + lineAndCharacter.character, sourceFile, options); + } + /* + Character is the actual index of the character since the beginning of the line. + Column - position of the character after expanding tabs to spaces + "0\t2$" + value of 'character' for '$' is 3 + value of 'column' for '$' is 6 (assuming that tab size is 4) + */ + function findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options) { + var character = 0; + var column = 0; + for (var pos = startPos; pos < endPos; ++pos) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch)) { + break; + } + if (ch === 9 /* tab */) { + column += options.TabSize + (column % options.TabSize); + } + else { + column++; + } + character++; + } + return { column: column, character: character }; + } + SmartIndenter.findFirstNonWhitespaceCharacterAndColumn = findFirstNonWhitespaceCharacterAndColumn; + function findFirstNonWhitespaceColumn(startPos, endPos, sourceFile, options) { + return findFirstNonWhitespaceCharacterAndColumn(startPos, endPos, sourceFile, options).column; + } + SmartIndenter.findFirstNonWhitespaceColumn = findFirstNonWhitespaceColumn; + function nodeContentIsAlwaysIndented(kind) { + switch (kind) { + case 198 /* ExpressionStatement */: + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 167 /* ArrayLiteralExpression */: + case 195 /* Block */: + case 222 /* ModuleBlock */: + case 168 /* ObjectLiteralExpression */: + case 156 /* TypeLiteral */: + case 158 /* TupleType */: + case 223 /* CaseBlock */: + case 245 /* DefaultClause */: + case 244 /* CaseClause */: + case 175 /* ParenthesizedExpression */: + case 169 /* PropertyAccessExpression */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 196 /* VariableStatement */: + case 214 /* VariableDeclaration */: + case 230 /* ExportAssignment */: + case 207 /* ReturnStatement */: + case 185 /* ConditionalExpression */: + case 165 /* ArrayBindingPattern */: + case 164 /* ObjectBindingPattern */: + case 238 /* JsxOpeningElement */: + case 237 /* JsxSelfClosingElement */: + case 243 /* JsxExpression */: + case 143 /* MethodSignature */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 139 /* Parameter */: + case 153 /* FunctionType */: + case 154 /* ConstructorType */: + case 161 /* ParenthesizedType */: + case 173 /* TaggedTemplateExpression */: + case 181 /* AwaitExpression */: + case 228 /* NamedImports */: + return true; + } + return false; + } + /* @internal */ + function nodeWillIndentChild(parent, child, indentByDefault) { + var childKind = child ? child.kind : 0 /* Unknown */; + switch (parent.kind) { + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 202 /* ForStatement */: + case 199 /* IfStatement */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 144 /* MethodDeclaration */: + case 177 /* ArrowFunction */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + return childKind !== 195 /* Block */; + case 236 /* JsxElement */: + return childKind !== 240 /* JsxClosingElement */; + } + // No explicit rule for given nodes so the result will follow the default value argument + return indentByDefault; + } + SmartIndenter.nodeWillIndentChild = nodeWillIndentChild; + /* + Function returns true when the parent node should indent the given child by an explicit rule + */ + function shouldIndentChildNode(parent, child) { + return nodeContentIsAlwaysIndented(parent.kind) || nodeWillIndentChild(parent, child, false); + } + SmartIndenter.shouldIndentChildNode = shouldIndentChildNode; + })(SmartIndenter = formatting.SmartIndenter || (formatting.SmartIndenter = {})); + })(formatting = ts.formatting || (ts.formatting = {})); +})(ts || (ts = {})); +/// +/// +/// +/// +/// +/// +/// +/// +/// +/// +var ts; +(function (ts) { + /** The version of the language service API */ + ts.servicesVersion = "0.4"; + var ScriptSnapshot; + (function (ScriptSnapshot) { + var StringScriptSnapshot = (function () { + function StringScriptSnapshot(text) { + this.text = text; + } + StringScriptSnapshot.prototype.getText = function (start, end) { + return this.text.substring(start, end); + }; + StringScriptSnapshot.prototype.getLength = function () { + return this.text.length; + }; + StringScriptSnapshot.prototype.getChangeRange = function (oldSnapshot) { + // Text-based snapshots do not support incremental parsing. Return undefined + // to signal that to the caller. + return undefined; + }; + return StringScriptSnapshot; + }()); + function fromString(text) { + return new StringScriptSnapshot(text); + } + ScriptSnapshot.fromString = fromString; + })(ScriptSnapshot = ts.ScriptSnapshot || (ts.ScriptSnapshot = {})); + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ true); + var emptyArray = []; + var jsDocTagNames = [ + "augments", + "author", + "argument", + "borrows", + "class", + "constant", + "constructor", + "constructs", + "default", + "deprecated", + "description", + "event", + "example", + "extends", + "field", + "fileOverview", + "function", + "ignore", + "inner", + "lends", + "link", + "memberOf", + "name", + "namespace", + "param", + "private", + "property", + "public", + "requires", + "returns", + "see", + "since", + "static", + "throws", + "type", + "version" + ]; + var jsDocCompletionEntries; + function createNode(kind, pos, end, flags, parent) { + var node = new NodeObject(kind, pos, end); + node.flags = flags; + node.parent = parent; + return node; + } + var NodeObject = (function () { + function NodeObject(kind, pos, end) { + this.kind = kind; + this.pos = pos; + this.end = end; + this.flags = 0 /* None */; + this.parent = undefined; + } + NodeObject.prototype.getSourceFile = function () { + return ts.getSourceFileOfNode(this); + }; + NodeObject.prototype.getStart = function (sourceFile) { + return ts.getTokenPosOfNode(this, sourceFile); + }; + NodeObject.prototype.getFullStart = function () { + return this.pos; + }; + NodeObject.prototype.getEnd = function () { + return this.end; + }; + NodeObject.prototype.getWidth = function (sourceFile) { + return this.getEnd() - this.getStart(sourceFile); + }; + NodeObject.prototype.getFullWidth = function () { + return this.end - this.pos; + }; + NodeObject.prototype.getLeadingTriviaWidth = function (sourceFile) { + return this.getStart(sourceFile) - this.pos; + }; + NodeObject.prototype.getFullText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.pos, this.end); + }; + NodeObject.prototype.getText = function (sourceFile) { + return (sourceFile || this.getSourceFile()).text.substring(this.getStart(), this.getEnd()); + }; + NodeObject.prototype.addSyntheticNodes = function (nodes, pos, end) { + scanner.setTextPos(pos); + while (pos < end) { + var token = scanner.scan(); + var textPos = scanner.getTextPos(); + nodes.push(createNode(token, pos, textPos, 2048 /* Synthetic */, this)); + pos = textPos; + } + return pos; + }; + NodeObject.prototype.createSyntaxList = function (nodes) { + var list = createNode(274 /* SyntaxList */, nodes.pos, nodes.end, 2048 /* Synthetic */, this); + list._children = []; + var pos = nodes.pos; + for (var _i = 0, nodes_7 = nodes; _i < nodes_7.length; _i++) { + var node = nodes_7[_i]; + if (pos < node.pos) { + pos = this.addSyntheticNodes(list._children, pos, node.pos); + } + list._children.push(node); + pos = node.end; + } + if (pos < nodes.end) { + this.addSyntheticNodes(list._children, pos, nodes.end); + } + return list; + }; + NodeObject.prototype.createChildren = function (sourceFile) { + var _this = this; + var children; + if (this.kind >= 136 /* FirstNode */) { + scanner.setText((sourceFile || this.getSourceFile()).text); + children = []; + var pos_3 = this.pos; + var processNode = function (node) { + if (pos_3 < node.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, node.pos); + } + children.push(node); + pos_3 = node.end; + }; + var processNodes = function (nodes) { + if (pos_3 < nodes.pos) { + pos_3 = _this.addSyntheticNodes(children, pos_3, nodes.pos); + } + children.push(_this.createSyntaxList(nodes)); + pos_3 = nodes.end; + }; + ts.forEachChild(this, processNode, processNodes); + if (pos_3 < this.end) { + this.addSyntheticNodes(children, pos_3, this.end); + } + scanner.setText(undefined); + } + this._children = children || emptyArray; + }; + NodeObject.prototype.getChildCount = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children.length; + }; + NodeObject.prototype.getChildAt = function (index, sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children[index]; + }; + NodeObject.prototype.getChildren = function (sourceFile) { + if (!this._children) + this.createChildren(sourceFile); + return this._children; + }; + NodeObject.prototype.getFirstToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + if (!children.length) { + return undefined; + } + var child = children[0]; + return child.kind < 136 /* FirstNode */ ? child : child.getFirstToken(sourceFile); + }; + NodeObject.prototype.getLastToken = function (sourceFile) { + var children = this.getChildren(sourceFile); + var child = ts.lastOrUndefined(children); + if (!child) { + return undefined; + } + return child.kind < 136 /* FirstNode */ ? child : child.getLastToken(sourceFile); + }; + return NodeObject; + }()); + var SymbolObject = (function () { + function SymbolObject(flags, name) { + this.flags = flags; + this.name = name; + } + SymbolObject.prototype.getFlags = function () { + return this.flags; + }; + SymbolObject.prototype.getName = function () { + return this.name; + }; + SymbolObject.prototype.getDeclarations = function () { + return this.declarations; + }; + SymbolObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = getJsDocCommentsFromDeclarations(this.declarations, this.name, !(this.flags & 4 /* Property */)); + } + return this.documentationComment; + }; + return SymbolObject; + }()); + function getJsDocCommentsFromDeclarations(declarations, name, canUseParsedParamTagComments) { + var documentationComment = []; + var docComments = getJsDocCommentsSeparatedByNewLines(); + ts.forEach(docComments, function (docComment) { + if (documentationComment.length) { + documentationComment.push(ts.lineBreakPart()); + } + documentationComment.push(docComment); + }); + return documentationComment; + function getJsDocCommentsSeparatedByNewLines() { + var paramTag = "@param"; + var jsDocCommentParts = []; + ts.forEach(declarations, function (declaration, indexOfDeclaration) { + // Make sure we are collecting doc comment from declaration once, + // In case of union property there might be same declaration multiple times + // which only varies in type parameter + // Eg. const a: Array | Array; a.length + // The property length will have two declarations of property length coming + // from Array - Array and Array + if (ts.indexOf(declarations, declaration) === indexOfDeclaration) { + var sourceFileOfDeclaration_1 = ts.getSourceFileOfNode(declaration); + // If it is parameter - try and get the jsDoc comment with @param tag from function declaration's jsDoc comments + if (canUseParsedParamTagComments && declaration.kind === 139 /* Parameter */) { + ts.forEach(getJsDocCommentTextRange(declaration.parent, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedParamJsDocComment = getCleanedParamJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedParamJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedParamJsDocComment); + } + }); + } + // If this is left side of dotted module declaration, there is no doc comments associated with this node + if (declaration.kind === 221 /* ModuleDeclaration */ && declaration.body.kind === 221 /* ModuleDeclaration */) { + return; + } + // If this is dotted module name, get the doc comments from the parent + while (declaration.kind === 221 /* ModuleDeclaration */ && declaration.parent.kind === 221 /* ModuleDeclaration */) { + declaration = declaration.parent; + } + // Get the cleaned js doc comment text from the declaration + ts.forEach(getJsDocCommentTextRange(declaration.kind === 214 /* VariableDeclaration */ ? declaration.parent.parent : declaration, sourceFileOfDeclaration_1), function (jsDocCommentTextRange) { + var cleanedJsDocComment = getCleanedJsDocComment(jsDocCommentTextRange.pos, jsDocCommentTextRange.end, sourceFileOfDeclaration_1); + if (cleanedJsDocComment) { + ts.addRange(jsDocCommentParts, cleanedJsDocComment); + } + }); + } + }); + return jsDocCommentParts; + function getJsDocCommentTextRange(node, sourceFile) { + return ts.map(ts.getJsDocComments(node, sourceFile), function (jsDocComment) { + return { + pos: jsDocComment.pos + "/*".length, + end: jsDocComment.end - "*/".length // Trim off comment end indicator + }; + }); + } + function consumeWhiteSpacesOnTheLine(pos, end, sourceFile, maxSpacesToRemove) { + if (maxSpacesToRemove !== undefined) { + end = Math.min(end, pos + maxSpacesToRemove); + } + for (; pos < end; pos++) { + var ch = sourceFile.text.charCodeAt(pos); + if (!ts.isWhiteSpace(ch) || ts.isLineBreak(ch)) { + // Either found lineBreak or non whiteSpace + return pos; + } + } + return end; + } + function consumeLineBreaks(pos, end, sourceFile) { + while (pos < end && ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function isName(pos, end, sourceFile, name) { + return pos + name.length < end && + sourceFile.text.substr(pos, name.length) === name && + (ts.isWhiteSpace(sourceFile.text.charCodeAt(pos + name.length)) || + ts.isLineBreak(sourceFile.text.charCodeAt(pos + name.length))); + } + function isParamTag(pos, end, sourceFile) { + // If it is @param tag + return isName(pos, end, sourceFile, paramTag); + } + function pushDocCommentLineText(docComments, text, blankLineCount) { + // Add the empty lines in between texts + while (blankLineCount) { + blankLineCount--; + docComments.push(ts.textPart("")); + } + docComments.push(ts.textPart(text)); + } + function getCleanedJsDocComment(pos, end, sourceFile) { + var spacesToRemoveAfterAsterisk; + var docComments = []; + var blankLineCount = 0; + var isInParamTag = false; + while (pos < end) { + var docCommentTextOfLine = ""; + // First consume leading white space + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile); + // If the comment starts with '*' consume the spaces on this line + if (pos < end && sourceFile.text.charCodeAt(pos) === 42 /* asterisk */) { + var lineStartPos = pos + 1; + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, spacesToRemoveAfterAsterisk); + // Set the spaces to remove after asterisk as margin if not already set + if (spacesToRemoveAfterAsterisk === undefined && pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + spacesToRemoveAfterAsterisk = pos - lineStartPos; + } + } + else if (spacesToRemoveAfterAsterisk === undefined) { + spacesToRemoveAfterAsterisk = 0; + } + // Analyse text on this line + while (pos < end && !ts.isLineBreak(sourceFile.text.charCodeAt(pos))) { + var ch = sourceFile.text.charAt(pos); + if (ch === "@") { + // If it is @param tag + if (isParamTag(pos, end, sourceFile)) { + isInParamTag = true; + pos += paramTag.length; + continue; + } + else { + isInParamTag = false; + } + } + // Add the ch to doc text if we arent in param tag + if (!isInParamTag) { + docCommentTextOfLine += ch; + } + // Scan next character + pos++; + } + // Continue with next line + pos = consumeLineBreaks(pos, end, sourceFile); + if (docCommentTextOfLine) { + pushDocCommentLineText(docComments, docCommentTextOfLine, blankLineCount); + blankLineCount = 0; + } + else if (!isInParamTag && docComments.length) { + // This is blank line when there is text already parsed + blankLineCount++; + } + } + return docComments; + } + function getCleanedParamJsDocComment(pos, end, sourceFile) { + var paramHelpStringMargin; + var paramDocComments = []; + while (pos < end) { + if (isParamTag(pos, end, sourceFile)) { + var blankLineCount = 0; + var recordedParamTag = false; + // Consume leading spaces + pos = consumeWhiteSpaces(pos + paramTag.length); + if (pos >= end) { + break; + } + // Ignore type expression + if (sourceFile.text.charCodeAt(pos) === 123 /* openBrace */) { + pos++; + for (var curlies = 1; pos < end; pos++) { + var charCode = sourceFile.text.charCodeAt(pos); + // { character means we need to find another } to match the found one + if (charCode === 123 /* openBrace */) { + curlies++; + continue; + } + // } char + if (charCode === 125 /* closeBrace */) { + curlies--; + if (curlies === 0) { + // We do not have any more } to match the type expression is ignored completely + pos++; + break; + } + else { + // there are more { to be matched with } + continue; + } + } + // Found start of another tag + if (charCode === 64 /* at */) { + break; + } + } + // Consume white spaces + pos = consumeWhiteSpaces(pos); + if (pos >= end) { + break; + } + } + // Parameter name + if (isName(pos, end, sourceFile, name)) { + // Found the parameter we are looking for consume white spaces + pos = consumeWhiteSpaces(pos + name.length); + if (pos >= end) { + break; + } + var paramHelpString = ""; + var firstLineParamHelpStringPos = pos; + while (pos < end) { + var ch = sourceFile.text.charCodeAt(pos); + // at line break, set this comment line text and go to next line + if (ts.isLineBreak(ch)) { + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + paramHelpString = ""; + blankLineCount = 0; + recordedParamTag = true; + } + else if (recordedParamTag) { + blankLineCount++; + } + // Get the pos after cleaning start of the line + setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos); + continue; + } + // Done scanning param help string - next tag found + if (ch === 64 /* at */) { + break; + } + paramHelpString += sourceFile.text.charAt(pos); + // Go to next character + pos++; + } + // If there is param help text, add it top the doc comments + if (paramHelpString) { + pushDocCommentLineText(paramDocComments, paramHelpString, blankLineCount); + } + paramHelpStringMargin = undefined; + } + // If this is the start of another tag, continue with the loop in seach of param tag with symbol name + if (sourceFile.text.charCodeAt(pos) === 64 /* at */) { + continue; + } + } + // Next character + pos++; + } + return paramDocComments; + function consumeWhiteSpaces(pos) { + while (pos < end && ts.isWhiteSpace(sourceFile.text.charCodeAt(pos))) { + pos++; + } + return pos; + } + function setPosForParamHelpStringOnNextLine(firstLineParamHelpStringPos) { + // Get the pos after consuming line breaks + pos = consumeLineBreaks(pos, end, sourceFile); + if (pos >= end) { + return; + } + if (paramHelpStringMargin === undefined) { + paramHelpStringMargin = sourceFile.getLineAndCharacterOfPosition(firstLineParamHelpStringPos).character; + } + // Now consume white spaces max + var startOfLinePos = pos; + pos = consumeWhiteSpacesOnTheLine(pos, end, sourceFile, paramHelpStringMargin); + if (pos >= end) { + return; + } + var consumedSpaces = pos - startOfLinePos; + if (consumedSpaces < paramHelpStringMargin) { + var ch = sourceFile.text.charCodeAt(pos); + if (ch === 42 /* asterisk */) { + // Consume more spaces after asterisk + pos = consumeWhiteSpacesOnTheLine(pos + 1, end, sourceFile, paramHelpStringMargin - consumedSpaces - 1); + } + } + } + } + } + } + var TypeObject = (function () { + function TypeObject(checker, flags) { + this.checker = checker; + this.flags = flags; + } + TypeObject.prototype.getFlags = function () { + return this.flags; + }; + TypeObject.prototype.getSymbol = function () { + return this.symbol; + }; + TypeObject.prototype.getProperties = function () { + return this.checker.getPropertiesOfType(this); + }; + TypeObject.prototype.getProperty = function (propertyName) { + return this.checker.getPropertyOfType(this, propertyName); + }; + TypeObject.prototype.getApparentProperties = function () { + return this.checker.getAugmentedPropertiesOfType(this); + }; + TypeObject.prototype.getCallSignatures = function () { + return this.checker.getSignaturesOfType(this, 0 /* Call */); + }; + TypeObject.prototype.getConstructSignatures = function () { + return this.checker.getSignaturesOfType(this, 1 /* Construct */); + }; + TypeObject.prototype.getStringIndexType = function () { + return this.checker.getIndexTypeOfType(this, 0 /* String */); + }; + TypeObject.prototype.getNumberIndexType = function () { + return this.checker.getIndexTypeOfType(this, 1 /* Number */); + }; + TypeObject.prototype.getBaseTypes = function () { + return this.flags & (1024 /* Class */ | 2048 /* Interface */) + ? this.checker.getBaseTypes(this) + : undefined; + }; + return TypeObject; + }()); + var SignatureObject = (function () { + function SignatureObject(checker) { + this.checker = checker; + } + SignatureObject.prototype.getDeclaration = function () { + return this.declaration; + }; + SignatureObject.prototype.getTypeParameters = function () { + return this.typeParameters; + }; + SignatureObject.prototype.getParameters = function () { + return this.parameters; + }; + SignatureObject.prototype.getReturnType = function () { + return this.checker.getReturnTypeOfSignature(this); + }; + SignatureObject.prototype.getDocumentationComment = function () { + if (this.documentationComment === undefined) { + this.documentationComment = this.declaration ? getJsDocCommentsFromDeclarations([this.declaration], + /*name*/ undefined, + /*canUseParsedParamTagComments*/ false) : []; + } + return this.documentationComment; + }; + return SignatureObject; + }()); + var SourceFileObject = (function (_super) { + __extends(SourceFileObject, _super); + function SourceFileObject(kind, pos, end) { + _super.call(this, kind, pos, end); + } + SourceFileObject.prototype.update = function (newText, textChangeRange) { + return ts.updateSourceFile(this, newText, textChangeRange); + }; + SourceFileObject.prototype.getLineAndCharacterOfPosition = function (position) { + return ts.getLineAndCharacterOfPosition(this, position); + }; + SourceFileObject.prototype.getLineStarts = function () { + return ts.getLineStarts(this); + }; + SourceFileObject.prototype.getPositionOfLineAndCharacter = function (line, character) { + return ts.getPositionOfLineAndCharacter(this, line, character); + }; + SourceFileObject.prototype.getNamedDeclarations = function () { + if (!this.namedDeclarations) { + this.namedDeclarations = this.computeNamedDeclarations(); + } + return this.namedDeclarations; + }; + SourceFileObject.prototype.computeNamedDeclarations = function () { + var result = {}; + ts.forEachChild(this, visit); + return result; + function addDeclaration(declaration) { + var name = getDeclarationName(declaration); + if (name) { + var declarations = getDeclarations(name); + declarations.push(declaration); + } + } + function getDeclarations(name) { + return ts.getProperty(result, name) || (result[name] = []); + } + function getDeclarationName(declaration) { + if (declaration.name) { + var result_3 = getTextOfIdentifierOrLiteral(declaration.name); + if (result_3 !== undefined) { + return result_3; + } + if (declaration.name.kind === 137 /* ComputedPropertyName */) { + var expr = declaration.name.expression; + if (expr.kind === 169 /* PropertyAccessExpression */) { + return expr.name.text; + } + return getTextOfIdentifierOrLiteral(expr); + } + } + return undefined; + } + function getTextOfIdentifierOrLiteral(node) { + if (node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 9 /* StringLiteral */ || + node.kind === 8 /* NumericLiteral */) { + return node.text; + } + } + return undefined; + } + function visit(node) { + switch (node.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + var functionDeclaration = node; + var declarationName = getDeclarationName(functionDeclaration); + if (declarationName) { + var declarations = getDeclarations(declarationName); + var lastDeclaration = ts.lastOrUndefined(declarations); + // Check whether this declaration belongs to an "overload group". + if (lastDeclaration && functionDeclaration.parent === lastDeclaration.parent && functionDeclaration.symbol === lastDeclaration.symbol) { + // Overwrite the last declaration if it was an overload + // and this one is an implementation. + if (functionDeclaration.body && !lastDeclaration.body) { + declarations[declarations.length - 1] = functionDeclaration; + } + } + else { + declarations.push(functionDeclaration); + } + ts.forEachChild(node, visit); + } + break; + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 220 /* EnumDeclaration */: + case 221 /* ModuleDeclaration */: + case 224 /* ImportEqualsDeclaration */: + case 233 /* ExportSpecifier */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 226 /* ImportClause */: + case 227 /* NamespaceImport */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 156 /* TypeLiteral */: + addDeclaration(node); + // fall through + case 145 /* Constructor */: + case 196 /* VariableStatement */: + case 215 /* VariableDeclarationList */: + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + case 222 /* ModuleBlock */: + ts.forEachChild(node, visit); + break; + case 195 /* Block */: + if (ts.isFunctionBlock(node)) { + ts.forEachChild(node, visit); + } + break; + case 139 /* Parameter */: + // Only consider properties defined as constructor parameters + if (!(node.flags & 56 /* AccessibilityModifier */)) { + break; + } + // fall through + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + if (ts.isBindingPattern(node.name)) { + ts.forEachChild(node.name, visit); + break; + } + case 250 /* EnumMember */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + addDeclaration(node); + break; + case 231 /* ExportDeclaration */: + // Handle named exports case e.g.: + // export {a, b as B} from "mod"; + if (node.exportClause) { + ts.forEach(node.exportClause.elements, visit); + } + break; + case 225 /* ImportDeclaration */: + var importClause = node.importClause; + if (importClause) { + // Handle default import case e.g.: + // import d from "mod"; + if (importClause.name) { + addDeclaration(importClause); + } + // Handle named bindings in imports e.g.: + // import * as NS from "mod"; + // import {a, b as B} from "mod"; + if (importClause.namedBindings) { + if (importClause.namedBindings.kind === 227 /* NamespaceImport */) { + addDeclaration(importClause.namedBindings); + } + else { + ts.forEach(importClause.namedBindings.elements, visit); + } + } + } + break; + } + } + }; + return SourceFileObject; + }(NodeObject)); + var TextChange = (function () { + function TextChange() { + } + return TextChange; + }()); + ts.TextChange = TextChange; + var HighlightSpanKind; + (function (HighlightSpanKind) { + HighlightSpanKind.none = "none"; + HighlightSpanKind.definition = "definition"; + HighlightSpanKind.reference = "reference"; + HighlightSpanKind.writtenReference = "writtenReference"; + })(HighlightSpanKind = ts.HighlightSpanKind || (ts.HighlightSpanKind = {})); + (function (IndentStyle) { + IndentStyle[IndentStyle["None"] = 0] = "None"; + IndentStyle[IndentStyle["Block"] = 1] = "Block"; + IndentStyle[IndentStyle["Smart"] = 2] = "Smart"; + })(ts.IndentStyle || (ts.IndentStyle = {})); + var IndentStyle = ts.IndentStyle; + (function (SymbolDisplayPartKind) { + SymbolDisplayPartKind[SymbolDisplayPartKind["aliasName"] = 0] = "aliasName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["className"] = 1] = "className"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumName"] = 2] = "enumName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["fieldName"] = 3] = "fieldName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["interfaceName"] = 4] = "interfaceName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["keyword"] = 5] = "keyword"; + SymbolDisplayPartKind[SymbolDisplayPartKind["lineBreak"] = 6] = "lineBreak"; + SymbolDisplayPartKind[SymbolDisplayPartKind["numericLiteral"] = 7] = "numericLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["stringLiteral"] = 8] = "stringLiteral"; + SymbolDisplayPartKind[SymbolDisplayPartKind["localName"] = 9] = "localName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["methodName"] = 10] = "methodName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["moduleName"] = 11] = "moduleName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["operator"] = 12] = "operator"; + SymbolDisplayPartKind[SymbolDisplayPartKind["parameterName"] = 13] = "parameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["propertyName"] = 14] = "propertyName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["punctuation"] = 15] = "punctuation"; + SymbolDisplayPartKind[SymbolDisplayPartKind["space"] = 16] = "space"; + SymbolDisplayPartKind[SymbolDisplayPartKind["text"] = 17] = "text"; + SymbolDisplayPartKind[SymbolDisplayPartKind["typeParameterName"] = 18] = "typeParameterName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["enumMemberName"] = 19] = "enumMemberName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["functionName"] = 20] = "functionName"; + SymbolDisplayPartKind[SymbolDisplayPartKind["regularExpressionLiteral"] = 21] = "regularExpressionLiteral"; + })(ts.SymbolDisplayPartKind || (ts.SymbolDisplayPartKind = {})); + var SymbolDisplayPartKind = ts.SymbolDisplayPartKind; + (function (OutputFileType) { + OutputFileType[OutputFileType["JavaScript"] = 0] = "JavaScript"; + OutputFileType[OutputFileType["SourceMap"] = 1] = "SourceMap"; + OutputFileType[OutputFileType["Declaration"] = 2] = "Declaration"; + })(ts.OutputFileType || (ts.OutputFileType = {})); + var OutputFileType = ts.OutputFileType; + (function (EndOfLineState) { + EndOfLineState[EndOfLineState["None"] = 0] = "None"; + EndOfLineState[EndOfLineState["InMultiLineCommentTrivia"] = 1] = "InMultiLineCommentTrivia"; + EndOfLineState[EndOfLineState["InSingleQuoteStringLiteral"] = 2] = "InSingleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InDoubleQuoteStringLiteral"] = 3] = "InDoubleQuoteStringLiteral"; + EndOfLineState[EndOfLineState["InTemplateHeadOrNoSubstitutionTemplate"] = 4] = "InTemplateHeadOrNoSubstitutionTemplate"; + EndOfLineState[EndOfLineState["InTemplateMiddleOrTail"] = 5] = "InTemplateMiddleOrTail"; + EndOfLineState[EndOfLineState["InTemplateSubstitutionPosition"] = 6] = "InTemplateSubstitutionPosition"; + })(ts.EndOfLineState || (ts.EndOfLineState = {})); + var EndOfLineState = ts.EndOfLineState; + (function (TokenClass) { + TokenClass[TokenClass["Punctuation"] = 0] = "Punctuation"; + TokenClass[TokenClass["Keyword"] = 1] = "Keyword"; + TokenClass[TokenClass["Operator"] = 2] = "Operator"; + TokenClass[TokenClass["Comment"] = 3] = "Comment"; + TokenClass[TokenClass["Whitespace"] = 4] = "Whitespace"; + TokenClass[TokenClass["Identifier"] = 5] = "Identifier"; + TokenClass[TokenClass["NumberLiteral"] = 6] = "NumberLiteral"; + TokenClass[TokenClass["StringLiteral"] = 7] = "StringLiteral"; + TokenClass[TokenClass["RegExpLiteral"] = 8] = "RegExpLiteral"; + })(ts.TokenClass || (ts.TokenClass = {})); + var TokenClass = ts.TokenClass; + // TODO: move these to enums + var ScriptElementKind; + (function (ScriptElementKind) { + ScriptElementKind.unknown = ""; + ScriptElementKind.warning = "warning"; + // predefined type (void) or keyword (class) + ScriptElementKind.keyword = "keyword"; + // top level script node + ScriptElementKind.scriptElement = "script"; + // module foo {} + ScriptElementKind.moduleElement = "module"; + // class X {} + ScriptElementKind.classElement = "class"; + // var x = class X {} + ScriptElementKind.localClassElement = "local class"; + // interface Y {} + ScriptElementKind.interfaceElement = "interface"; + // type T = ... + ScriptElementKind.typeElement = "type"; + // enum E + ScriptElementKind.enumElement = "enum"; + // Inside module and script only + // const v = .. + ScriptElementKind.variableElement = "var"; + // Inside function + ScriptElementKind.localVariableElement = "local var"; + // Inside module and script only + // function f() { } + ScriptElementKind.functionElement = "function"; + // Inside function + ScriptElementKind.localFunctionElement = "local function"; + // class X { [public|private]* foo() {} } + ScriptElementKind.memberFunctionElement = "method"; + // class X { [public|private]* [get|set] foo:number; } + ScriptElementKind.memberGetAccessorElement = "getter"; + ScriptElementKind.memberSetAccessorElement = "setter"; + // class X { [public|private]* foo:number; } + // interface Y { foo:number; } + ScriptElementKind.memberVariableElement = "property"; + // class X { constructor() { } } + ScriptElementKind.constructorImplementationElement = "constructor"; + // interface Y { ():number; } + ScriptElementKind.callSignatureElement = "call"; + // interface Y { []:number; } + ScriptElementKind.indexSignatureElement = "index"; + // interface Y { new():Y; } + ScriptElementKind.constructSignatureElement = "construct"; + // function foo(*Y*: string) + ScriptElementKind.parameterElement = "parameter"; + ScriptElementKind.typeParameterElement = "type parameter"; + ScriptElementKind.primitiveType = "primitive type"; + ScriptElementKind.label = "label"; + ScriptElementKind.alias = "alias"; + ScriptElementKind.constElement = "const"; + ScriptElementKind.letElement = "let"; + })(ScriptElementKind = ts.ScriptElementKind || (ts.ScriptElementKind = {})); + var ScriptElementKindModifier; + (function (ScriptElementKindModifier) { + ScriptElementKindModifier.none = ""; + ScriptElementKindModifier.publicMemberModifier = "public"; + ScriptElementKindModifier.privateMemberModifier = "private"; + ScriptElementKindModifier.protectedMemberModifier = "protected"; + ScriptElementKindModifier.exportedModifier = "export"; + ScriptElementKindModifier.ambientModifier = "declare"; + ScriptElementKindModifier.staticModifier = "static"; + ScriptElementKindModifier.abstractModifier = "abstract"; + })(ScriptElementKindModifier = ts.ScriptElementKindModifier || (ts.ScriptElementKindModifier = {})); + var ClassificationTypeNames = (function () { + function ClassificationTypeNames() { + } + ClassificationTypeNames.comment = "comment"; + ClassificationTypeNames.identifier = "identifier"; + ClassificationTypeNames.keyword = "keyword"; + ClassificationTypeNames.numericLiteral = "number"; + ClassificationTypeNames.operator = "operator"; + ClassificationTypeNames.stringLiteral = "string"; + ClassificationTypeNames.whiteSpace = "whitespace"; + ClassificationTypeNames.text = "text"; + ClassificationTypeNames.punctuation = "punctuation"; + ClassificationTypeNames.className = "class name"; + ClassificationTypeNames.enumName = "enum name"; + ClassificationTypeNames.interfaceName = "interface name"; + ClassificationTypeNames.moduleName = "module name"; + ClassificationTypeNames.typeParameterName = "type parameter name"; + ClassificationTypeNames.typeAliasName = "type alias name"; + ClassificationTypeNames.parameterName = "parameter name"; + ClassificationTypeNames.docCommentTagName = "doc comment tag name"; + ClassificationTypeNames.jsxOpenTagName = "jsx open tag name"; + ClassificationTypeNames.jsxCloseTagName = "jsx close tag name"; + ClassificationTypeNames.jsxSelfClosingTagName = "jsx self closing tag name"; + ClassificationTypeNames.jsxAttribute = "jsx attribute"; + ClassificationTypeNames.jsxText = "jsx text"; + ClassificationTypeNames.jsxAttributeStringLiteralValue = "jsx attribute string literal value"; + return ClassificationTypeNames; + }()); + ts.ClassificationTypeNames = ClassificationTypeNames; + (function (ClassificationType) { + ClassificationType[ClassificationType["comment"] = 1] = "comment"; + ClassificationType[ClassificationType["identifier"] = 2] = "identifier"; + ClassificationType[ClassificationType["keyword"] = 3] = "keyword"; + ClassificationType[ClassificationType["numericLiteral"] = 4] = "numericLiteral"; + ClassificationType[ClassificationType["operator"] = 5] = "operator"; + ClassificationType[ClassificationType["stringLiteral"] = 6] = "stringLiteral"; + ClassificationType[ClassificationType["regularExpressionLiteral"] = 7] = "regularExpressionLiteral"; + ClassificationType[ClassificationType["whiteSpace"] = 8] = "whiteSpace"; + ClassificationType[ClassificationType["text"] = 9] = "text"; + ClassificationType[ClassificationType["punctuation"] = 10] = "punctuation"; + ClassificationType[ClassificationType["className"] = 11] = "className"; + ClassificationType[ClassificationType["enumName"] = 12] = "enumName"; + ClassificationType[ClassificationType["interfaceName"] = 13] = "interfaceName"; + ClassificationType[ClassificationType["moduleName"] = 14] = "moduleName"; + ClassificationType[ClassificationType["typeParameterName"] = 15] = "typeParameterName"; + ClassificationType[ClassificationType["typeAliasName"] = 16] = "typeAliasName"; + ClassificationType[ClassificationType["parameterName"] = 17] = "parameterName"; + ClassificationType[ClassificationType["docCommentTagName"] = 18] = "docCommentTagName"; + ClassificationType[ClassificationType["jsxOpenTagName"] = 19] = "jsxOpenTagName"; + ClassificationType[ClassificationType["jsxCloseTagName"] = 20] = "jsxCloseTagName"; + ClassificationType[ClassificationType["jsxSelfClosingTagName"] = 21] = "jsxSelfClosingTagName"; + ClassificationType[ClassificationType["jsxAttribute"] = 22] = "jsxAttribute"; + ClassificationType[ClassificationType["jsxText"] = 23] = "jsxText"; + ClassificationType[ClassificationType["jsxAttributeStringLiteralValue"] = 24] = "jsxAttributeStringLiteralValue"; + })(ts.ClassificationType || (ts.ClassificationType = {})); + var ClassificationType = ts.ClassificationType; + function displayPartsToString(displayParts) { + if (displayParts) { + return ts.map(displayParts, function (displayPart) { return displayPart.text; }).join(""); + } + return ""; + } + ts.displayPartsToString = displayPartsToString; + function isLocalVariableOrFunction(symbol) { + if (symbol.parent) { + return false; // This is exported symbol + } + return ts.forEach(symbol.declarations, function (declaration) { + // Function expressions are local + if (declaration.kind === 176 /* FunctionExpression */) { + return true; + } + if (declaration.kind !== 214 /* VariableDeclaration */ && declaration.kind !== 216 /* FunctionDeclaration */) { + return false; + } + // If the parent is not sourceFile or module block it is local variable + for (var parent_10 = declaration.parent; !ts.isFunctionBlock(parent_10); parent_10 = parent_10.parent) { + // Reached source file or module block + if (parent_10.kind === 251 /* SourceFile */ || parent_10.kind === 222 /* ModuleBlock */) { + return false; + } + } + // parent is in function block + return true; + }); + } + function getDefaultCompilerOptions() { + // Always default to "ScriptTarget.ES5" for the language service + return { + target: 1 /* ES5 */, + jsx: 1 /* Preserve */ + }; + } + ts.getDefaultCompilerOptions = getDefaultCompilerOptions; + // Cache host information about scrip Should be refreshed + // at each language service public entry point, since we don't know when + // set of scripts handled by the host changes. + var HostCache = (function () { + function HostCache(host, getCanonicalFileName) { + this.host = host; + this.getCanonicalFileName = getCanonicalFileName; + // script id => script index + this.currentDirectory = host.getCurrentDirectory(); + this.fileNameToEntry = ts.createFileMap(); + // Initialize the list with the root file names + var rootFileNames = host.getScriptFileNames(); + for (var _i = 0, rootFileNames_1 = rootFileNames; _i < rootFileNames_1.length; _i++) { + var fileName = rootFileNames_1[_i]; + this.createEntry(fileName, ts.toPath(fileName, this.currentDirectory, getCanonicalFileName)); + } + // store the compilation settings + this._compilationSettings = host.getCompilationSettings() || getDefaultCompilerOptions(); + } + HostCache.prototype.compilationSettings = function () { + return this._compilationSettings; + }; + HostCache.prototype.createEntry = function (fileName, path) { + var entry; + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (scriptSnapshot) { + entry = { + hostFileName: fileName, + version: this.host.getScriptVersion(fileName), + scriptSnapshot: scriptSnapshot + }; + } + this.fileNameToEntry.set(path, entry); + return entry; + }; + HostCache.prototype.getEntry = function (path) { + return this.fileNameToEntry.get(path); + }; + HostCache.prototype.contains = function (path) { + return this.fileNameToEntry.contains(path); + }; + HostCache.prototype.getOrCreateEntry = function (fileName) { + var path = ts.toPath(fileName, this.currentDirectory, this.getCanonicalFileName); + if (this.contains(path)) { + return this.getEntry(path); + } + return this.createEntry(fileName, path); + }; + HostCache.prototype.getRootFileNames = function () { + var fileNames = []; + this.fileNameToEntry.forEachValue(function (path, value) { + if (value) { + fileNames.push(value.hostFileName); + } + }); + return fileNames; + }; + HostCache.prototype.getVersion = function (path) { + var file = this.getEntry(path); + return file && file.version; + }; + HostCache.prototype.getScriptSnapshot = function (path) { + var file = this.getEntry(path); + return file && file.scriptSnapshot; + }; + return HostCache; + }()); + var SyntaxTreeCache = (function () { + function SyntaxTreeCache(host) { + this.host = host; + } + SyntaxTreeCache.prototype.getCurrentSourceFile = function (fileName) { + var scriptSnapshot = this.host.getScriptSnapshot(fileName); + if (!scriptSnapshot) { + // The host does not know about this file. + throw new Error("Could not find file: '" + fileName + "'."); + } + var version = this.host.getScriptVersion(fileName); + var sourceFile; + if (this.currentFileName !== fileName) { + // This is a new file, just parse it + sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, 2 /* Latest */, version, /*setNodeParents*/ true); + } + else if (this.currentFileVersion !== version) { + // This is the same file, just a newer version. Incrementally parse the file. + var editRange = scriptSnapshot.getChangeRange(this.currentFileScriptSnapshot); + sourceFile = updateLanguageServiceSourceFile(this.currentSourceFile, scriptSnapshot, version, editRange); + } + if (sourceFile) { + // All done, ensure state is up to date + this.currentFileVersion = version; + this.currentFileName = fileName; + this.currentFileScriptSnapshot = scriptSnapshot; + this.currentSourceFile = sourceFile; + } + return this.currentSourceFile; + }; + return SyntaxTreeCache; + }()); + function setSourceFileFields(sourceFile, scriptSnapshot, version) { + sourceFile.version = version; + sourceFile.scriptSnapshot = scriptSnapshot; + } + /* + * This function will compile source text from 'input' argument using specified compiler options. + * If not options are provided - it will use a set of default compiler options. + * Extra compiler options that will unconditionally be used by this function are: + * - isolatedModules = true + * - allowNonTsExtensions = true + * - noLib = true + * - noResolve = true + */ + function transpileModule(input, transpileOptions) { + var options = transpileOptions.compilerOptions ? ts.clone(transpileOptions.compilerOptions) : getDefaultCompilerOptions(); + options.isolatedModules = true; + // transpileModule does not write anything to disk so there is no need to verify that there are no conflicts between input and output paths. + options.suppressOutputPathCheck = true; + // Filename can be non-ts file. + options.allowNonTsExtensions = true; + // We are not returning a sourceFile for lib file when asked by the program, + // so pass --noLib to avoid reporting a file not found error. + options.noLib = true; + // We are not doing a full typecheck, we are not resolving the whole context, + // so pass --noResolve to avoid reporting missing file errors. + options.noResolve = true; + // if jsx is specified then treat file as .tsx + var inputFileName = transpileOptions.fileName || (options.jsx ? "module.tsx" : "module.ts"); + var sourceFile = ts.createSourceFile(inputFileName, input, options.target); + if (transpileOptions.moduleName) { + sourceFile.moduleName = transpileOptions.moduleName; + } + sourceFile.renamedDependencies = transpileOptions.renamedDependencies; + var newLine = ts.getNewLineCharacter(options); + // Output + var outputText; + var sourceMapText; + // Create a compilerHost object to allow the compiler to read and write files + var compilerHost = { + getSourceFile: function (fileName, target) { return fileName === ts.normalizeSlashes(inputFileName) ? sourceFile : undefined; }, + writeFile: function (name, text, writeByteOrderMark) { + if (ts.fileExtensionIs(name, ".map")) { + ts.Debug.assert(sourceMapText === undefined, "Unexpected multiple source map outputs for the file '" + name + "'"); + sourceMapText = text; + } + else { + ts.Debug.assert(outputText === undefined, "Unexpected multiple outputs for the file: '" + name + "'"); + outputText = text; + } + }, + getDefaultLibFileName: function () { return "lib.d.ts"; }, + useCaseSensitiveFileNames: function () { return false; }, + getCanonicalFileName: function (fileName) { return fileName; }, + getCurrentDirectory: function () { return ""; }, + getNewLine: function () { return newLine; }, + fileExists: function (fileName) { return fileName === inputFileName; }, + readFile: function (fileName) { return ""; }, + directoryExists: function (directoryExists) { return true; } + }; + var program = ts.createProgram([inputFileName], options, compilerHost); + var diagnostics; + if (transpileOptions.reportDiagnostics) { + diagnostics = []; + ts.addRange(/*to*/ diagnostics, /*from*/ program.getSyntacticDiagnostics(sourceFile)); + ts.addRange(/*to*/ diagnostics, /*from*/ program.getOptionsDiagnostics()); + } + // Emit + program.emit(); + ts.Debug.assert(outputText !== undefined, "Output generation failed"); + return { outputText: outputText, diagnostics: diagnostics, sourceMapText: sourceMapText }; + } + ts.transpileModule = transpileModule; + /* + * This is a shortcut function for transpileModule - it accepts transpileOptions as parameters and returns only outputText part of the result. + */ + function transpile(input, compilerOptions, fileName, diagnostics, moduleName) { + var output = transpileModule(input, { compilerOptions: compilerOptions, fileName: fileName, reportDiagnostics: !!diagnostics, moduleName: moduleName }); + // addRange correctly handles cases when wither 'from' or 'to' argument is missing + ts.addRange(diagnostics, output.diagnostics); + return output.outputText; + } + ts.transpile = transpile; + function createLanguageServiceSourceFile(fileName, scriptSnapshot, scriptTarget, version, setNodeParents) { + var text = scriptSnapshot.getText(0, scriptSnapshot.getLength()); + var sourceFile = ts.createSourceFile(fileName, text, scriptTarget, setNodeParents); + setSourceFileFields(sourceFile, scriptSnapshot, version); + return sourceFile; + } + ts.createLanguageServiceSourceFile = createLanguageServiceSourceFile; + ts.disableIncrementalParsing = false; + function updateLanguageServiceSourceFile(sourceFile, scriptSnapshot, version, textChangeRange, aggressiveChecks) { + // If we were given a text change range, and our version or open-ness changed, then + // incrementally parse this file. + if (textChangeRange) { + if (version !== sourceFile.version) { + // Once incremental parsing is ready, then just call into this function. + if (!ts.disableIncrementalParsing) { + var newText = void 0; + // grab the fragment from the beginning of the original text to the beginning of the span + var prefix = textChangeRange.span.start !== 0 + ? sourceFile.text.substr(0, textChangeRange.span.start) + : ""; + // grab the fragment from the end of the span till the end of the original text + var suffix = ts.textSpanEnd(textChangeRange.span) !== sourceFile.text.length + ? sourceFile.text.substr(ts.textSpanEnd(textChangeRange.span)) + : ""; + if (textChangeRange.newLength === 0) { + // edit was a deletion - just combine prefix and suffix + newText = prefix && suffix ? prefix + suffix : prefix || suffix; + } + else { + // it was actual edit, fetch the fragment of new text that correspond to new span + var changedText = scriptSnapshot.getText(textChangeRange.span.start, textChangeRange.span.start + textChangeRange.newLength); + // combine prefix, changed text and suffix + newText = prefix && suffix + ? prefix + changedText + suffix + : prefix + ? (prefix + changedText) + : (changedText + suffix); + } + var newSourceFile = ts.updateSourceFile(sourceFile, newText, textChangeRange, aggressiveChecks); + setSourceFileFields(newSourceFile, scriptSnapshot, version); + // after incremental parsing nameTable might not be up-to-date + // drop it so it can be lazily recreated later + newSourceFile.nameTable = undefined; + // dispose all resources held by old script snapshot + if (sourceFile !== newSourceFile && sourceFile.scriptSnapshot) { + if (sourceFile.scriptSnapshot.dispose) { + sourceFile.scriptSnapshot.dispose(); + } + sourceFile.scriptSnapshot = undefined; + } + return newSourceFile; + } + } + } + // Otherwise, just create a new source file. + return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true); + } + ts.updateLanguageServiceSourceFile = updateLanguageServiceSourceFile; + function createDocumentRegistry(useCaseSensitiveFileNames, currentDirectory) { + if (currentDirectory === void 0) { currentDirectory = ""; } + // Maps from compiler setting target (ES3, ES5, etc.) to all the cached documents we have + // for those settings. + var buckets = {}; + var getCanonicalFileName = ts.createGetCanonicalFileName(!!useCaseSensitiveFileNames); + function getKeyFromCompilationSettings(settings) { + return "_" + settings.target + "|" + settings.module + "|" + settings.noResolve + "|" + settings.jsx + +"|" + settings.allowJs; + } + function getBucketForCompilationSettings(settings, createIfMissing) { + var key = getKeyFromCompilationSettings(settings); + var bucket = ts.lookUp(buckets, key); + if (!bucket && createIfMissing) { + buckets[key] = bucket = ts.createFileMap(); + } + return bucket; + } + function reportStats() { + var bucketInfoArray = Object.keys(buckets).filter(function (name) { return name && name.charAt(0) === "_"; }).map(function (name) { + var entries = ts.lookUp(buckets, name); + var sourceFiles = []; + entries.forEachValue(function (key, entry) { + sourceFiles.push({ + name: key, + refCount: entry.languageServiceRefCount, + references: entry.owners.slice(0) + }); + }); + sourceFiles.sort(function (x, y) { return y.refCount - x.refCount; }); + return { + bucket: name, + sourceFiles: sourceFiles + }; + }); + return JSON.stringify(bucketInfoArray, undefined, 2); + } + function acquireDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ true); + } + function updateDocument(fileName, compilationSettings, scriptSnapshot, version) { + return acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, /*acquiring*/ false); + } + function acquireOrUpdateDocument(fileName, compilationSettings, scriptSnapshot, version, acquiring) { + var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ true); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + if (!entry) { + ts.Debug.assert(acquiring, "How could we be trying to update a document that the registry doesn't have?"); + // Have never seen this file with these settings. Create a new source file for it. + var sourceFile = createLanguageServiceSourceFile(fileName, scriptSnapshot, compilationSettings.target, version, /*setNodeParents*/ false); + entry = { + sourceFile: sourceFile, + languageServiceRefCount: 0, + owners: [] + }; + bucket.set(path, entry); + } + else { + // We have an entry for this file. However, it may be for a different version of + // the script snapshot. If so, update it appropriately. Otherwise, we can just + // return it as is. + if (entry.sourceFile.version !== version) { + entry.sourceFile = updateLanguageServiceSourceFile(entry.sourceFile, scriptSnapshot, version, scriptSnapshot.getChangeRange(entry.sourceFile.scriptSnapshot)); + } + } + // If we're acquiring, then this is the first time this LS is asking for this document. + // Increase our ref count so we know there's another LS using the document. If we're + // not acquiring, then that means the LS is 'updating' the file instead, and that means + // it has already acquired the document previously. As such, we do not need to increase + // the ref count. + if (acquiring) { + entry.languageServiceRefCount++; + } + return entry.sourceFile; + } + function releaseDocument(fileName, compilationSettings) { + var bucket = getBucketForCompilationSettings(compilationSettings, /*createIfMissing*/ false); + ts.Debug.assert(bucket !== undefined); + var path = ts.toPath(fileName, currentDirectory, getCanonicalFileName); + var entry = bucket.get(path); + entry.languageServiceRefCount--; + ts.Debug.assert(entry.languageServiceRefCount >= 0); + if (entry.languageServiceRefCount === 0) { + bucket.remove(path); + } + } + return { + acquireDocument: acquireDocument, + updateDocument: updateDocument, + releaseDocument: releaseDocument, + reportStats: reportStats + }; + } + ts.createDocumentRegistry = createDocumentRegistry; + function preProcessFile(sourceText, readImportFiles, detectJavaScriptImports) { + if (readImportFiles === void 0) { readImportFiles = true; } + if (detectJavaScriptImports === void 0) { detectJavaScriptImports = false; } + var referencedFiles = []; + var importedFiles = []; + var ambientExternalModules; + var isNoDefaultLib = false; + function processTripleSlashDirectives() { + var commentRanges = ts.getLeadingCommentRanges(sourceText, 0); + ts.forEach(commentRanges, function (commentRange) { + var comment = sourceText.substring(commentRange.pos, commentRange.end); + var referencePathMatchResult = ts.getFileReferenceFromReferencePath(comment, commentRange); + if (referencePathMatchResult) { + isNoDefaultLib = referencePathMatchResult.isNoDefaultLib; + var fileReference = referencePathMatchResult.fileReference; + if (fileReference) { + referencedFiles.push(fileReference); + } + } + }); + } + function recordAmbientExternalModule() { + if (!ambientExternalModules) { + ambientExternalModules = []; + } + ambientExternalModules.push(scanner.getTokenValue()); + } + function recordModuleName() { + var importPath = scanner.getTokenValue(); + var pos = scanner.getTokenPos(); + importedFiles.push({ + fileName: importPath, + pos: pos, + end: pos + importPath.length + }); + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeDeclare() { + var token = scanner.getToken(); + if (token === 122 /* DeclareKeyword */) { + // declare module "mod" + token = scanner.scan(); + if (token === 125 /* ModuleKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + recordAmbientExternalModule(); + } + } + return true; + } + return false; + } + /** + * Returns true if at least one token was consumed from the stream + */ + function tryConsumeImport() { + var token = scanner.getToken(); + if (token === 89 /* ImportKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import "mod"; + recordModuleName(); + return true; + } + else { + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import d from "mod"; + recordModuleName(); + return true; + } + } + else if (token === 56 /* EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + else if (token === 24 /* CommaToken */) { + // consume comma and keep going + token = scanner.scan(); + } + else { + // unknown syntax + return true; + } + } + if (token === 15 /* OpenBraceToken */) { + token = scanner.scan(); + // consume "{ a as B, c, d as D}" clauses + // make sure that it stops on EOF + while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { + token = scanner.scan(); + } + if (token === 16 /* CloseBraceToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import {a as A} from "mod"; + // import d, {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 37 /* AsteriskToken */) { + token = scanner.scan(); + if (token === 116 /* AsKeyword */) { + token = scanner.scan(); + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // import * as NS from "mod" + // import d, * as NS from "mod" + recordModuleName(); + } + } + } + } + } + } + return true; + } + return false; + } + function tryConsumeExport() { + var token = scanner.getToken(); + if (token === 82 /* ExportKeyword */) { + token = scanner.scan(); + if (token === 15 /* OpenBraceToken */) { + token = scanner.scan(); + // consume "{ a as B, c, d as D}" clauses + // make sure it stops on EOF + while (token !== 16 /* CloseBraceToken */ && token !== 1 /* EndOfFileToken */) { + token = scanner.scan(); + } + if (token === 16 /* CloseBraceToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // export {a as A} from "mod"; + // export {a, b as B} from "mod" + recordModuleName(); + } + } + } + } + else if (token === 37 /* AsteriskToken */) { + token = scanner.scan(); + if (token === 133 /* FromKeyword */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // export * from "mod" + recordModuleName(); + } + } + } + else if (token === 89 /* ImportKeyword */) { + token = scanner.scan(); + if (token === 69 /* Identifier */ || ts.isKeyword(token)) { + token = scanner.scan(); + if (token === 56 /* EqualsToken */) { + if (tryConsumeRequireCall(/*skipCurrentToken*/ true)) { + return true; + } + } + } + } + return true; + } + return false; + } + function tryConsumeRequireCall(skipCurrentToken) { + var token = skipCurrentToken ? scanner.scan() : scanner.getToken(); + if (token === 127 /* RequireKeyword */) { + token = scanner.scan(); + if (token === 17 /* OpenParenToken */) { + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // require("mod"); + recordModuleName(); + } + } + return true; + } + return false; + } + function tryConsumeDefine() { + var token = scanner.getToken(); + if (token === 69 /* Identifier */ && scanner.getTokenValue() === "define") { + token = scanner.scan(); + if (token !== 17 /* OpenParenToken */) { + return true; + } + token = scanner.scan(); + if (token === 9 /* StringLiteral */) { + // looks like define ("modname", ... - skip string literal and comma + token = scanner.scan(); + if (token === 24 /* CommaToken */) { + token = scanner.scan(); + } + else { + // unexpected token + return true; + } + } + // should be start of dependency list + if (token !== 19 /* OpenBracketToken */) { + return true; + } + // skip open bracket + token = scanner.scan(); + var i = 0; + // scan until ']' or EOF + while (token !== 20 /* CloseBracketToken */ && token !== 1 /* EndOfFileToken */) { + // record string literals as module names + if (token === 9 /* StringLiteral */) { + recordModuleName(); + i++; + } + token = scanner.scan(); + } + return true; + } + return false; + } + function processImports() { + scanner.setText(sourceText); + scanner.scan(); + // Look for: + // import "mod"; + // import d from "mod" + // import {a as A } from "mod"; + // import * as NS from "mod" + // import d, {a, b as B} from "mod" + // import i = require("mod"); + // + // export * from "mod" + // export {a as b} from "mod" + // export import i = require("mod") + // (for JavaScript files) require("mod") + while (true) { + if (scanner.getToken() === 1 /* EndOfFileToken */) { + break; + } + // check if at least one of alternative have moved scanner forward + if (tryConsumeDeclare() || + tryConsumeImport() || + tryConsumeExport() || + (detectJavaScriptImports && (tryConsumeRequireCall(/*skipCurrentToken*/ false) || tryConsumeDefine()))) { + continue; + } + else { + scanner.scan(); + } + } + scanner.setText(undefined); + } + if (readImportFiles) { + processImports(); + } + processTripleSlashDirectives(); + return { referencedFiles: referencedFiles, importedFiles: importedFiles, isLibFile: isNoDefaultLib, ambientExternalModules: ambientExternalModules }; + } + ts.preProcessFile = preProcessFile; + /// Helpers + function getTargetLabel(referenceNode, labelName) { + while (referenceNode) { + if (referenceNode.kind === 210 /* LabeledStatement */ && referenceNode.label.text === labelName) { + return referenceNode.label; + } + referenceNode = referenceNode.parent; + } + return undefined; + } + function isJumpStatementTarget(node) { + return node.kind === 69 /* Identifier */ && + (node.parent.kind === 206 /* BreakStatement */ || node.parent.kind === 205 /* ContinueStatement */) && + node.parent.label === node; + } + function isLabelOfLabeledStatement(node) { + return node.kind === 69 /* Identifier */ && + node.parent.kind === 210 /* LabeledStatement */ && + node.parent.label === node; + } + /** + * Whether or not a 'node' is preceded by a label of the given string. + * Note: 'node' cannot be a SourceFile. + */ + function isLabeledBy(node, labelName) { + for (var owner = node.parent; owner.kind === 210 /* LabeledStatement */; owner = owner.parent) { + if (owner.label.text === labelName) { + return true; + } + } + return false; + } + function isLabelName(node) { + return isLabelOfLabeledStatement(node) || isJumpStatementTarget(node); + } + function isRightSideOfQualifiedName(node) { + return node.parent.kind === 136 /* QualifiedName */ && node.parent.right === node; + } + function isRightSideOfPropertyAccess(node) { + return node && node.parent && node.parent.kind === 169 /* PropertyAccessExpression */ && node.parent.name === node; + } + function isCallExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 171 /* CallExpression */ && node.parent.expression === node; + } + function isNewExpressionTarget(node) { + if (isRightSideOfPropertyAccess(node)) { + node = node.parent; + } + return node && node.parent && node.parent.kind === 172 /* NewExpression */ && node.parent.expression === node; + } + function isNameOfModuleDeclaration(node) { + return node.parent.kind === 221 /* ModuleDeclaration */ && node.parent.name === node; + } + function isNameOfFunctionDeclaration(node) { + return node.kind === 69 /* Identifier */ && + ts.isFunctionLike(node.parent) && node.parent.name === node; + } + /** Returns true if node is a name of an object literal property, e.g. "a" in x = { "a": 1 } */ + function isNameOfPropertyAssignment(node) { + return (node.kind === 69 /* Identifier */ || node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) && + (node.parent.kind === 248 /* PropertyAssignment */ || node.parent.kind === 249 /* ShorthandPropertyAssignment */) && node.parent.name === node; + } + function isLiteralNameOfPropertyDeclarationOrIndexAccess(node) { + if (node.kind === 9 /* StringLiteral */ || node.kind === 8 /* NumericLiteral */) { + switch (node.parent.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 250 /* EnumMember */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 221 /* ModuleDeclaration */: + return node.parent.name === node; + case 170 /* ElementAccessExpression */: + return node.parent.argumentExpression === node; + } + } + return false; + } + function isNameOfExternalModuleImportOrDeclaration(node) { + if (node.kind === 9 /* StringLiteral */) { + return isNameOfModuleDeclaration(node) || + (ts.isExternalModuleImportEqualsDeclaration(node.parent.parent) && ts.getExternalModuleImportEqualsDeclarationExpression(node.parent.parent) === node); + } + return false; + } + /** Returns true if the position is within a comment */ + function isInsideComment(sourceFile, token, position) { + // The position has to be: 1. in the leading trivia (before token.getStart()), and 2. within a comment + return position <= token.getStart(sourceFile) && + (isInsideCommentRange(ts.getTrailingCommentRanges(sourceFile.text, token.getFullStart())) || + isInsideCommentRange(ts.getLeadingCommentRanges(sourceFile.text, token.getFullStart()))); + function isInsideCommentRange(comments) { + return ts.forEach(comments, function (comment) { + // either we are 1. completely inside the comment, or 2. at the end of the comment + if (comment.pos < position && position < comment.end) { + return true; + } + else if (position === comment.end) { + var text = sourceFile.text; + var width = comment.end - comment.pos; + // is single line comment or just /* + if (width <= 2 || text.charCodeAt(comment.pos + 1) === 47 /* slash */) { + return true; + } + else { + // is unterminated multi-line comment + return !(text.charCodeAt(comment.end - 1) === 47 /* slash */ && + text.charCodeAt(comment.end - 2) === 42 /* asterisk */); + } + } + return false; + }); + } + } + var SemanticMeaning; + (function (SemanticMeaning) { + SemanticMeaning[SemanticMeaning["None"] = 0] = "None"; + SemanticMeaning[SemanticMeaning["Value"] = 1] = "Value"; + SemanticMeaning[SemanticMeaning["Type"] = 2] = "Type"; + SemanticMeaning[SemanticMeaning["Namespace"] = 4] = "Namespace"; + SemanticMeaning[SemanticMeaning["All"] = 7] = "All"; + })(SemanticMeaning || (SemanticMeaning = {})); + var BreakContinueSearchType; + (function (BreakContinueSearchType) { + BreakContinueSearchType[BreakContinueSearchType["None"] = 0] = "None"; + BreakContinueSearchType[BreakContinueSearchType["Unlabeled"] = 1] = "Unlabeled"; + BreakContinueSearchType[BreakContinueSearchType["Labeled"] = 2] = "Labeled"; + BreakContinueSearchType[BreakContinueSearchType["All"] = 3] = "All"; + })(BreakContinueSearchType || (BreakContinueSearchType = {})); + // A cache of completion entries for keywords, these do not change between sessions + var keywordCompletions = []; + for (var i = 70 /* FirstKeyword */; i <= 135 /* LastKeyword */; i++) { + keywordCompletions.push({ + name: ts.tokenToString(i), + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + sortText: "0" + }); + } + /* @internal */ function getContainerNode(node) { + while (true) { + node = node.parent; + if (!node) { + return undefined; + } + switch (node.kind) { + case 251 /* SourceFile */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 220 /* EnumDeclaration */: + case 221 /* ModuleDeclaration */: + return node; + } + } + } + ts.getContainerNode = getContainerNode; + /* @internal */ function getNodeKind(node) { + switch (node.kind) { + case 221 /* ModuleDeclaration */: return ScriptElementKind.moduleElement; + case 217 /* ClassDeclaration */: return ScriptElementKind.classElement; + case 218 /* InterfaceDeclaration */: return ScriptElementKind.interfaceElement; + case 219 /* TypeAliasDeclaration */: return ScriptElementKind.typeElement; + case 220 /* EnumDeclaration */: return ScriptElementKind.enumElement; + case 214 /* VariableDeclaration */: + return ts.isConst(node) + ? ScriptElementKind.constElement + : ts.isLet(node) + ? ScriptElementKind.letElement + : ScriptElementKind.variableElement; + case 216 /* FunctionDeclaration */: return ScriptElementKind.functionElement; + case 146 /* GetAccessor */: return ScriptElementKind.memberGetAccessorElement; + case 147 /* SetAccessor */: return ScriptElementKind.memberSetAccessorElement; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + return ScriptElementKind.memberFunctionElement; + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return ScriptElementKind.memberVariableElement; + case 150 /* IndexSignature */: return ScriptElementKind.indexSignatureElement; + case 149 /* ConstructSignature */: return ScriptElementKind.constructSignatureElement; + case 148 /* CallSignature */: return ScriptElementKind.callSignatureElement; + case 145 /* Constructor */: return ScriptElementKind.constructorImplementationElement; + case 138 /* TypeParameter */: return ScriptElementKind.typeParameterElement; + case 250 /* EnumMember */: return ScriptElementKind.variableElement; + case 139 /* Parameter */: return (node.flags & 56 /* AccessibilityModifier */) ? ScriptElementKind.memberVariableElement : ScriptElementKind.parameterElement; + case 224 /* ImportEqualsDeclaration */: + case 229 /* ImportSpecifier */: + case 226 /* ImportClause */: + case 233 /* ExportSpecifier */: + case 227 /* NamespaceImport */: + return ScriptElementKind.alias; + } + return ScriptElementKind.unknown; + } + ts.getNodeKind = getNodeKind; + var CancellationTokenObject = (function () { + function CancellationTokenObject(cancellationToken) { + this.cancellationToken = cancellationToken; + } + CancellationTokenObject.prototype.isCancellationRequested = function () { + return this.cancellationToken && this.cancellationToken.isCancellationRequested(); + }; + CancellationTokenObject.prototype.throwIfCancellationRequested = function () { + if (this.isCancellationRequested()) { + throw new ts.OperationCanceledException(); + } + }; + return CancellationTokenObject; + }()); + function createLanguageService(host, documentRegistry) { + if (documentRegistry === void 0) { documentRegistry = createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); } + var syntaxTreeCache = new SyntaxTreeCache(host); + var ruleProvider; + var program; + var lastProjectVersion; + var useCaseSensitivefileNames = false; + var cancellationToken = new CancellationTokenObject(host.getCancellationToken && host.getCancellationToken()); + var currentDirectory = host.getCurrentDirectory(); + // Check if the localized messages json is set, otherwise query the host for it + if (!ts.localizedDiagnosticMessages && host.getLocalizedDiagnosticMessages) { + ts.localizedDiagnosticMessages = host.getLocalizedDiagnosticMessages(); + } + function log(message) { + if (host.log) { + host.log(message); + } + } + var getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitivefileNames); + function getValidSourceFile(fileName) { + var sourceFile = program.getSourceFile(fileName); + if (!sourceFile) { + throw new Error("Could not find file: '" + fileName + "'."); + } + return sourceFile; + } + function getRuleProvider(options) { + // Ensure rules are initialized and up to date wrt to formatting options + if (!ruleProvider) { + ruleProvider = new ts.formatting.RulesProvider(); + } + ruleProvider.ensureUpToDate(options); + return ruleProvider; + } + function synchronizeHostData() { + // perform fast check if host supports it + if (host.getProjectVersion) { + var hostProjectVersion = host.getProjectVersion(); + if (hostProjectVersion) { + if (lastProjectVersion === hostProjectVersion) { + return; + } + lastProjectVersion = hostProjectVersion; + } + } + // Get a fresh cache of the host information + var hostCache = new HostCache(host, getCanonicalFileName); + // If the program is already up-to-date, we can reuse it + if (programUpToDate()) { + return; + } + // IMPORTANT - It is critical from this moment onward that we do not check + // cancellation tokens. We are about to mutate source files from a previous program + // instance. If we cancel midway through, we may end up in an inconsistent state where + // the program points to old source files that have been invalidated because of + // incremental parsing. + var oldSettings = program && program.getCompilerOptions(); + var newSettings = hostCache.compilationSettings(); + var changesInCompilationSettingsAffectSyntax = oldSettings && + (oldSettings.target !== newSettings.target || + oldSettings.module !== newSettings.module || + oldSettings.noResolve !== newSettings.noResolve || + oldSettings.jsx !== newSettings.jsx || + oldSettings.allowJs !== newSettings.allowJs); + // Now create a new compiler + var compilerHost = { + getSourceFile: getOrCreateSourceFile, + getCancellationToken: function () { return cancellationToken; }, + getCanonicalFileName: getCanonicalFileName, + useCaseSensitiveFileNames: function () { return useCaseSensitivefileNames; }, + getNewLine: function () { return ts.getNewLineOrDefaultFromHost(host); }, + getDefaultLibFileName: function (options) { return host.getDefaultLibFileName(options); }, + writeFile: function (fileName, data, writeByteOrderMark) { }, + getCurrentDirectory: function () { return currentDirectory; }, + fileExists: function (fileName) { + // stub missing host functionality + ts.Debug.assert(!host.resolveModuleNames); + return hostCache.getOrCreateEntry(fileName) !== undefined; + }, + readFile: function (fileName) { + // stub missing host functionality + var entry = hostCache.getOrCreateEntry(fileName); + return entry && entry.scriptSnapshot.getText(0, entry.scriptSnapshot.getLength()); + }, + directoryExists: function (directoryName) { + ts.Debug.assert(!host.resolveModuleNames); + return ts.directoryProbablyExists(directoryName, host); + } + }; + if (host.resolveModuleNames) { + compilerHost.resolveModuleNames = function (moduleNames, containingFile) { return host.resolveModuleNames(moduleNames, containingFile); }; + } + var newProgram = ts.createProgram(hostCache.getRootFileNames(), newSettings, compilerHost, program); + // Release any files we have acquired in the old program but are + // not part of the new program. + if (program) { + var oldSourceFiles = program.getSourceFiles(); + for (var _i = 0, oldSourceFiles_1 = oldSourceFiles; _i < oldSourceFiles_1.length; _i++) { + var oldSourceFile = oldSourceFiles_1[_i]; + if (!newProgram.getSourceFile(oldSourceFile.fileName) || changesInCompilationSettingsAffectSyntax) { + documentRegistry.releaseDocument(oldSourceFile.fileName, oldSettings); + } + } + } + // hostCache is captured in the closure for 'getOrCreateSourceFile' but it should not be used past this point. + // It needs to be cleared to allow all collected snapshots to be released + hostCache = undefined; + program = newProgram; + // Make sure all the nodes in the program are both bound, and have their parent + // pointers set property. + program.getTypeChecker(); + return; + function getOrCreateSourceFile(fileName) { + ts.Debug.assert(hostCache !== undefined); + // The program is asking for this file, check first if the host can locate it. + // If the host can not locate the file, then it does not exist. return undefined + // to the program to allow reporting of errors for missing files. + var hostFileInformation = hostCache.getOrCreateEntry(fileName); + if (!hostFileInformation) { + return undefined; + } + // Check if the language version has changed since we last created a program; if they are the same, + // it is safe to reuse the souceFiles; if not, then the shape of the AST can change, and the oldSourceFile + // can not be reused. we have to dump all syntax trees and create new ones. + if (!changesInCompilationSettingsAffectSyntax) { + // Check if the old program had this file already + var oldSourceFile = program && program.getSourceFile(fileName); + if (oldSourceFile) { + // We already had a source file for this file name. Go to the registry to + // ensure that we get the right up to date version of it. We need this to + // address the following 'race'. Specifically, say we have the following: + // + // LS1 + // \ + // DocumentRegistry + // / + // LS2 + // + // Each LS has a reference to file 'foo.ts' at version 1. LS2 then updates + // it's version of 'foo.ts' to version 2. This will cause LS2 and the + // DocumentRegistry to have version 2 of the document. HOwever, LS1 will + // have version 1. And *importantly* this source file will be *corrupt*. + // The act of creating version 2 of the file irrevocably damages the version + // 1 file. + // + // So, later when we call into LS1, we need to make sure that it doesn't use + // it's source file any more, and instead defers to DocumentRegistry to get + // either version 1, version 2 (or some other version) depending on what the + // host says should be used. + return documentRegistry.updateDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + } + // Could not find this file in the old program, create a new SourceFile for it. + return documentRegistry.acquireDocument(fileName, newSettings, hostFileInformation.scriptSnapshot, hostFileInformation.version); + } + function sourceFileUpToDate(sourceFile) { + if (!sourceFile) { + return false; + } + var path = sourceFile.path || ts.toPath(sourceFile.fileName, currentDirectory, getCanonicalFileName); + return sourceFile.version === hostCache.getVersion(path); + } + function programUpToDate() { + // If we haven't create a program yet, then it is not up-to-date + if (!program) { + return false; + } + // If number of files in the program do not match, it is not up-to-date + var rootFileNames = hostCache.getRootFileNames(); + if (program.getSourceFiles().length !== rootFileNames.length) { + return false; + } + // If any file is not up-to-date, then the whole program is not up-to-date + for (var _i = 0, rootFileNames_2 = rootFileNames; _i < rootFileNames_2.length; _i++) { + var fileName = rootFileNames_2[_i]; + if (!sourceFileUpToDate(program.getSourceFile(fileName))) { + return false; + } + } + // If the compilation settings do no match, then the program is not up-to-date + return ts.compareDataObjects(program.getCompilerOptions(), hostCache.compilationSettings()); + } + } + function getProgram() { + synchronizeHostData(); + return program; + } + function cleanupSemanticCache() { + // TODO: Should we jettison the program (or it's type checker) here? + } + function dispose() { + if (program) { + ts.forEach(program.getSourceFiles(), function (f) { + return documentRegistry.releaseDocument(f.fileName, program.getCompilerOptions()); + }); + } + } + /// Diagnostics + function getSyntacticDiagnostics(fileName) { + synchronizeHostData(); + return program.getSyntacticDiagnostics(getValidSourceFile(fileName), cancellationToken); + } + /** + * getSemanticDiagnostiscs return array of Diagnostics. If '-d' is not enabled, only report semantic errors + * If '-d' enabled, report both semantic and emitter errors + */ + function getSemanticDiagnostics(fileName) { + synchronizeHostData(); + var targetSourceFile = getValidSourceFile(fileName); + // Only perform the action per file regardless of '-out' flag as LanguageServiceHost is expected to call this function per file. + // Therefore only get diagnostics for given file. + var semanticDiagnostics = program.getSemanticDiagnostics(targetSourceFile, cancellationToken); + if (!program.getCompilerOptions().declaration) { + return semanticDiagnostics; + } + // If '-d' is enabled, check for emitter error. One example of emitter error is export class implements non-export interface + var declarationDiagnostics = program.getDeclarationDiagnostics(targetSourceFile, cancellationToken); + return ts.concatenate(semanticDiagnostics, declarationDiagnostics); + } + function getCompilerOptionsDiagnostics() { + synchronizeHostData(); + return program.getOptionsDiagnostics(cancellationToken).concat(program.getGlobalDiagnostics(cancellationToken)); + } + /** + * Get the name to be display in completion from a given symbol. + * + * @return undefined if the name is of external module otherwise a name with striped of any quote + */ + function getCompletionEntryDisplayNameForSymbol(symbol, target, performCharacterChecks, location) { + var displayName = ts.getDeclaredName(program.getTypeChecker(), symbol, location); + if (displayName) { + var firstCharCode = displayName.charCodeAt(0); + // First check of the displayName is not external module; if it is an external module, it is not valid entry + if ((symbol.flags & 1536 /* Namespace */) && (firstCharCode === 39 /* singleQuote */ || firstCharCode === 34 /* doubleQuote */)) { + // If the symbol is external module, don't show it in the completion list + // (i.e declare module "http" { const x; } | // <= request completion here, "http" should not be there) + return undefined; + } + } + return getCompletionEntryDisplayName(displayName, target, performCharacterChecks); + } + /** + * Get a displayName from a given for completion list, performing any necessary quotes stripping + * and checking whether the name is valid identifier name. + */ + function getCompletionEntryDisplayName(name, target, performCharacterChecks) { + if (!name) { + return undefined; + } + name = ts.stripQuotes(name); + if (!name) { + return undefined; + } + // If the user entered name for the symbol was quoted, removing the quotes is not enough, as the name could be an + // invalid identifier name. We need to check if whatever was inside the quotes is actually a valid identifier name. + // e.g "b a" is valid quoted name but when we strip off the quotes, it is invalid. + // We, thus, need to check if whatever was inside the quotes is actually a valid identifier name. + if (performCharacterChecks) { + if (!ts.isIdentifier(name, target)) { + return undefined; + } + } + return name; + } + function getCompletionData(fileName, position) { + var typeChecker = program.getTypeChecker(); + var sourceFile = getValidSourceFile(fileName); + var isJavaScriptFile = ts.isSourceFileJavaScript(sourceFile); + var isJsDocTagName = false; + var start = new Date().getTime(); + var currentToken = ts.getTokenAtPosition(sourceFile, position); + log("getCompletionData: Get current token: " + (new Date().getTime() - start)); + start = new Date().getTime(); + // Completion not allowed inside comments, bail out if this is the case + var insideComment = isInsideComment(sourceFile, currentToken, position); + log("getCompletionData: Is inside comment: " + (new Date().getTime() - start)); + if (insideComment) { + // The current position is next to the '@' sign, when no tag name being provided yet. + // Provide a full list of tag names + if (ts.hasDocComment(sourceFile, position) && sourceFile.text.charCodeAt(position - 1) === 64 /* at */) { + isJsDocTagName = true; + } + // Completion should work inside certain JsDoc tags. For example: + // /** @type {number | string} */ + // Completion should work in the brackets + var insideJsDocTagExpression = false; + var tag = ts.getJsDocTagAtPosition(sourceFile, position); + if (tag) { + if (tag.tagName.pos <= position && position <= tag.tagName.end) { + isJsDocTagName = true; + } + switch (tag.kind) { + case 272 /* JSDocTypeTag */: + case 270 /* JSDocParameterTag */: + case 271 /* JSDocReturnTag */: + var tagWithExpression = tag; + if (tagWithExpression.typeExpression) { + insideJsDocTagExpression = tagWithExpression.typeExpression.pos < position && position < tagWithExpression.typeExpression.end; + } + break; + } + } + if (isJsDocTagName) { + return { symbols: undefined, isMemberCompletion: false, isNewIdentifierLocation: false, location: undefined, isRightOfDot: false, isJsDocTagName: isJsDocTagName }; + } + if (!insideJsDocTagExpression) { + // Proceed if the current position is in jsDoc tag expression; otherwise it is a normal + // comment or the plain text part of a jsDoc comment, so no completion should be available + log("Returning an empty list because completion was inside a regular comment or plain text part of a JsDoc comment."); + return undefined; + } + } + start = new Date().getTime(); + var previousToken = ts.findPrecedingToken(position, sourceFile); + log("getCompletionData: Get previous token 1: " + (new Date().getTime() - start)); + // The decision to provide completion depends on the contextToken, which is determined through the previousToken. + // Note: 'previousToken' (and thus 'contextToken') can be undefined if we are the beginning of the file + var contextToken = previousToken; + // Check if the caret is at the end of an identifier; this is a partial identifier that we want to complete: e.g. a.toS| + // Skip this partial identifier and adjust the contextToken to the token that precedes it. + if (contextToken && position <= contextToken.end && ts.isWord(contextToken.kind)) { + var start_6 = new Date().getTime(); + contextToken = ts.findPrecedingToken(contextToken.getFullStart(), sourceFile); + log("getCompletionData: Get previous token 2: " + (new Date().getTime() - start_6)); + } + // Find the node where completion is requested on. + // Also determine whether we are trying to complete with members of that node + // or attributes of a JSX tag. + var node = currentToken; + var isRightOfDot = false; + var isRightOfOpenTag = false; + var isStartingCloseTag = false; + var location = ts.getTouchingPropertyName(sourceFile, position); + if (contextToken) { + // Bail out if this is a known invalid completion location + if (isCompletionListBlocker(contextToken)) { + log("Returning an empty list because completion was requested in an invalid position."); + return undefined; + } + var parent_11 = contextToken.parent, kind = contextToken.kind; + if (kind === 21 /* DotToken */) { + if (parent_11.kind === 169 /* PropertyAccessExpression */) { + node = contextToken.parent.expression; + isRightOfDot = true; + } + else if (parent_11.kind === 136 /* QualifiedName */) { + node = contextToken.parent.left; + isRightOfDot = true; + } + else { + // There is nothing that precedes the dot, so this likely just a stray character + // or leading into a '...' token. Just bail out instead. + return undefined; + } + } + else if (sourceFile.languageVariant === 1 /* JSX */) { + if (kind === 25 /* LessThanToken */) { + isRightOfOpenTag = true; + location = contextToken; + } + else if (kind === 39 /* SlashToken */ && contextToken.parent.kind === 240 /* JsxClosingElement */) { + isStartingCloseTag = true; + location = contextToken; + } + } + } + var semanticStart = new Date().getTime(); + var isMemberCompletion; + var isNewIdentifierLocation; + var symbols = []; + if (isRightOfDot) { + getTypeScriptMemberSymbols(); + } + else if (isRightOfOpenTag) { + var tagSymbols = typeChecker.getJsxIntrinsicTagNames(); + if (tryGetGlobalSymbols()) { + symbols = tagSymbols.concat(symbols.filter(function (s) { return !!(s.flags & 107455 /* Value */); })); + } + else { + symbols = tagSymbols; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else if (isStartingCloseTag) { + var tagName = contextToken.parent.parent.openingElement.tagName; + var tagSymbol = typeChecker.getSymbolAtLocation(tagName); + if (!typeChecker.isUnknownSymbol(tagSymbol)) { + symbols = [tagSymbol]; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + } + else { + // For JavaScript or TypeScript, if we're not after a dot, then just try to get the + // global symbols in scope. These results should be valid for either language as + // the set of symbols that can be referenced from this location. + if (!tryGetGlobalSymbols()) { + return undefined; + } + } + log("getCompletionData: Semantic work: " + (new Date().getTime() - semanticStart)); + return { symbols: symbols, isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, location: location, isRightOfDot: (isRightOfDot || isRightOfOpenTag), isJsDocTagName: isJsDocTagName }; + function getTypeScriptMemberSymbols() { + // Right of dot member completion list + isMemberCompletion = true; + isNewIdentifierLocation = false; + if (node.kind === 69 /* Identifier */ || node.kind === 136 /* QualifiedName */ || node.kind === 169 /* PropertyAccessExpression */) { + var symbol = typeChecker.getSymbolAtLocation(node); + // This is an alias, follow what it aliases + if (symbol && symbol.flags & 8388608 /* Alias */) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + if (symbol && symbol.flags & 1952 /* HasExports */) { + // Extract module or enum members + var exportedSymbols = typeChecker.getExportsOfModule(symbol); + ts.forEach(exportedSymbols, function (symbol) { + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + }); + } + } + var type = typeChecker.getTypeAtLocation(node); + addTypeProperties(type); + } + function addTypeProperties(type) { + if (type) { + // Filter private properties + for (var _i = 0, _a = type.getApparentProperties(); _i < _a.length; _i++) { + var symbol = _a[_i]; + if (typeChecker.isValidPropertyAccess((node.parent), symbol.name)) { + symbols.push(symbol); + } + } + if (isJavaScriptFile && type.flags & 16384 /* Union */) { + // In javascript files, for union types, we don't just get the members that + // the individual types have in common, we also include all the members that + // each individual type has. This is because we're going to add all identifiers + // anyways. So we might as well elevate the members that were at least part + // of the individual types to a higher status since we know what they are. + var unionType = type; + for (var _b = 0, _c = unionType.types; _b < _c.length; _b++) { + var elementType = _c[_b]; + addTypeProperties(elementType); + } + } + } + } + function tryGetGlobalSymbols() { + var objectLikeContainer; + var namedImportsOrExports; + var jsxContainer; + if (objectLikeContainer = tryGetObjectLikeCompletionContainer(contextToken)) { + return tryGetObjectLikeCompletionSymbols(objectLikeContainer); + } + if (namedImportsOrExports = tryGetNamedImportsOrExportsForCompletion(contextToken)) { + // cursor is in an import clause + // try to show exported member for imported module + return tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports); + } + if (jsxContainer = tryGetContainingJsxElement(contextToken)) { + var attrsType = void 0; + if ((jsxContainer.kind === 237 /* JsxSelfClosingElement */) || (jsxContainer.kind === 238 /* JsxOpeningElement */)) { + // Cursor is inside a JSX self-closing element or opening element + attrsType = typeChecker.getJsxElementAttributesType(jsxContainer); + if (attrsType) { + symbols = filterJsxAttributes(typeChecker.getPropertiesOfType(attrsType), jsxContainer.attributes); + isMemberCompletion = true; + isNewIdentifierLocation = false; + return true; + } + } + } + // Get all entities in the current scope. + isMemberCompletion = false; + isNewIdentifierLocation = isNewIdentifierDefinitionLocation(contextToken); + if (previousToken !== contextToken) { + ts.Debug.assert(!!previousToken, "Expected 'contextToken' to be defined when different from 'previousToken'."); + } + // We need to find the node that will give us an appropriate scope to begin + // aggregating completion candidates. This is achieved in 'getScopeNode' + // by finding the first node that encompasses a position, accounting for whether a node + // is "complete" to decide whether a position belongs to the node. + // + // However, at the end of an identifier, we are interested in the scope of the identifier + // itself, but fall outside of the identifier. For instance: + // + // xyz => x$ + // + // the cursor is outside of both the 'x' and the arrow function 'xyz => x', + // so 'xyz' is not returned in our results. + // + // We define 'adjustedPosition' so that we may appropriately account for + // being at the end of an identifier. The intention is that if requesting completion + // at the end of an identifier, it should be effectively equivalent to requesting completion + // anywhere inside/at the beginning of the identifier. So in the previous case, the + // 'adjustedPosition' will work as if requesting completion in the following: + // + // xyz => $x + // + // If previousToken !== contextToken, then + // - 'contextToken' was adjusted to the token prior to 'previousToken' + // because we were at the end of an identifier. + // - 'previousToken' is defined. + var adjustedPosition = previousToken !== contextToken ? + previousToken.getStart() : + position; + var scopeNode = getScopeNode(contextToken, adjustedPosition, sourceFile) || sourceFile; + /// TODO filter meaning based on the current context + var symbolMeanings = 793056 /* Type */ | 107455 /* Value */ | 1536 /* Namespace */ | 8388608 /* Alias */; + symbols = typeChecker.getSymbolsInScope(scopeNode, symbolMeanings); + return true; + } + /** + * Finds the first node that "embraces" the position, so that one may + * accurately aggregate locals from the closest containing scope. + */ + function getScopeNode(initialToken, position, sourceFile) { + var scope = initialToken; + while (scope && !ts.positionBelongsToNode(scope, position, sourceFile)) { + scope = scope.parent; + } + return scope; + } + function isCompletionListBlocker(contextToken) { + var start = new Date().getTime(); + var result = isInStringOrRegularExpressionOrTemplateLiteral(contextToken) || + isSolelyIdentifierDefinitionLocation(contextToken) || + isDotOfNumericLiteral(contextToken) || + isInJsxText(contextToken); + log("getCompletionsAtPosition: isCompletionListBlocker: " + (new Date().getTime() - start)); + return result; + } + function isInJsxText(contextToken) { + if (contextToken.kind === 239 /* JsxText */) { + return true; + } + if (contextToken.kind === 27 /* GreaterThanToken */ && contextToken.parent) { + if (contextToken.parent.kind === 238 /* JsxOpeningElement */) { + return true; + } + if (contextToken.parent.kind === 240 /* JsxClosingElement */ || contextToken.parent.kind === 237 /* JsxSelfClosingElement */) { + return contextToken.parent.parent && contextToken.parent.parent.kind === 236 /* JsxElement */; + } + } + return false; + } + function isNewIdentifierDefinitionLocation(previousToken) { + if (previousToken) { + var containingNodeKind = previousToken.parent.kind; + switch (previousToken.kind) { + case 24 /* CommaToken */: + return containingNodeKind === 171 /* CallExpression */ // func( a, | + || containingNodeKind === 145 /* Constructor */ // constructor( a, | /* public, protected, private keywords are allowed here, so show completion */ + || containingNodeKind === 172 /* NewExpression */ // new C(a, | + || containingNodeKind === 167 /* ArrayLiteralExpression */ // [a, | + || containingNodeKind === 184 /* BinaryExpression */ // const x = (a, | + || containingNodeKind === 153 /* FunctionType */; // var x: (s: string, list| + case 17 /* OpenParenToken */: + return containingNodeKind === 171 /* CallExpression */ // func( | + || containingNodeKind === 145 /* Constructor */ // constructor( | + || containingNodeKind === 172 /* NewExpression */ // new C(a| + || containingNodeKind === 175 /* ParenthesizedExpression */ // const x = (a| + || containingNodeKind === 161 /* ParenthesizedType */; // function F(pred: (a| /* this can become an arrow function, where 'a' is the argument */ + case 19 /* OpenBracketToken */: + return containingNodeKind === 167 /* ArrayLiteralExpression */ // [ | + || containingNodeKind === 150 /* IndexSignature */ // [ | : string ] + || containingNodeKind === 137 /* ComputedPropertyName */; // [ | /* this can become an index signature */ + case 125 /* ModuleKeyword */: // module | + case 126 /* NamespaceKeyword */: + return true; + case 21 /* DotToken */: + return containingNodeKind === 221 /* ModuleDeclaration */; // module A.| + case 15 /* OpenBraceToken */: + return containingNodeKind === 217 /* ClassDeclaration */; // class A{ | + case 56 /* EqualsToken */: + return containingNodeKind === 214 /* VariableDeclaration */ // const x = a| + || containingNodeKind === 184 /* BinaryExpression */; // x = a| + case 12 /* TemplateHead */: + return containingNodeKind === 186 /* TemplateExpression */; // `aa ${| + case 13 /* TemplateMiddle */: + return containingNodeKind === 193 /* TemplateSpan */; // `aa ${10} dd ${| + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return containingNodeKind === 142 /* PropertyDeclaration */; // class A{ public | + } + // Previous token may have been a keyword that was converted to an identifier. + switch (previousToken.getText()) { + case "public": + case "protected": + case "private": + return true; + } + } + return false; + } + function isInStringOrRegularExpressionOrTemplateLiteral(contextToken) { + if (contextToken.kind === 9 /* StringLiteral */ + || contextToken.kind === 163 /* StringLiteralType */ + || contextToken.kind === 10 /* RegularExpressionLiteral */ + || ts.isTemplateLiteralKind(contextToken.kind)) { + var start_7 = contextToken.getStart(); + var end = contextToken.getEnd(); + // To be "in" one of these literals, the position has to be: + // 1. entirely within the token text. + // 2. at the end position of an unterminated token. + // 3. at the end of a regular expression (due to trailing flags like '/foo/g'). + if (start_7 < position && position < end) { + return true; + } + if (position === end) { + return !!contextToken.isUnterminated + || contextToken.kind === 10 /* RegularExpressionLiteral */; + } + } + return false; + } + /** + * Aggregates relevant symbols for completion in object literals and object binding patterns. + * Relevant symbols are stored in the captured 'symbols' variable. + * + * @returns true if 'symbols' was successfully populated; false otherwise. + */ + function tryGetObjectLikeCompletionSymbols(objectLikeContainer) { + // We're looking up possible property names from contextual/inferred/declared type. + isMemberCompletion = true; + var typeForObject; + var existingMembers; + if (objectLikeContainer.kind === 168 /* ObjectLiteralExpression */) { + // We are completing on contextual types, but may also include properties + // other than those within the declared type. + isNewIdentifierLocation = true; + typeForObject = typeChecker.getContextualType(objectLikeContainer); + existingMembers = objectLikeContainer.properties; + } + else if (objectLikeContainer.kind === 164 /* ObjectBindingPattern */) { + // We are *only* completing on properties from the type being destructured. + isNewIdentifierLocation = false; + var rootDeclaration = ts.getRootDeclaration(objectLikeContainer.parent); + if (ts.isVariableLike(rootDeclaration)) { + // We don't want to complete using the type acquired by the shape + // of the binding pattern; we are only interested in types acquired + // through type declaration or inference. + if (rootDeclaration.initializer || rootDeclaration.type) { + typeForObject = typeChecker.getTypeAtLocation(objectLikeContainer); + existingMembers = objectLikeContainer.elements; + } + } + else { + ts.Debug.fail("Root declaration is not variable-like."); + } + } + else { + ts.Debug.fail("Expected object literal or binding pattern, got " + objectLikeContainer.kind); + } + if (!typeForObject) { + return false; + } + var typeMembers = typeChecker.getPropertiesOfType(typeForObject); + if (typeMembers && typeMembers.length > 0) { + // Add filtered items to the completion list + symbols = filterObjectMembersList(typeMembers, existingMembers); + } + return true; + } + /** + * Aggregates relevant symbols for completion in import clauses and export clauses + * whose declarations have a module specifier; for instance, symbols will be aggregated for + * + * import { | } from "moduleName"; + * export { a as foo, | } from "moduleName"; + * + * but not for + * + * export { | }; + * + * Relevant symbols are stored in the captured 'symbols' variable. + * + * @returns true if 'symbols' was successfully populated; false otherwise. + */ + function tryGetImportOrExportClauseCompletionSymbols(namedImportsOrExports) { + var declarationKind = namedImportsOrExports.kind === 228 /* NamedImports */ ? + 225 /* ImportDeclaration */ : + 231 /* ExportDeclaration */; + var importOrExportDeclaration = ts.getAncestor(namedImportsOrExports, declarationKind); + var moduleSpecifier = importOrExportDeclaration.moduleSpecifier; + if (!moduleSpecifier) { + return false; + } + isMemberCompletion = true; + isNewIdentifierLocation = false; + var exports; + var moduleSpecifierSymbol = typeChecker.getSymbolAtLocation(importOrExportDeclaration.moduleSpecifier); + if (moduleSpecifierSymbol) { + exports = typeChecker.getExportsOfModule(moduleSpecifierSymbol); + } + symbols = exports ? filterNamedImportOrExportCompletionItems(exports, namedImportsOrExports.elements) : emptyArray; + return true; + } + /** + * Returns the immediate owning object literal or binding pattern of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetObjectLikeCompletionContainer(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15 /* OpenBraceToken */: // const x = { | + case 24 /* CommaToken */: + var parent_12 = contextToken.parent; + if (parent_12 && (parent_12.kind === 168 /* ObjectLiteralExpression */ || parent_12.kind === 164 /* ObjectBindingPattern */)) { + return parent_12; + } + break; + } + } + return undefined; + } + /** + * Returns the containing list of named imports or exports of a context token, + * on the condition that one exists and that the context implies completion should be given. + */ + function tryGetNamedImportsOrExportsForCompletion(contextToken) { + if (contextToken) { + switch (contextToken.kind) { + case 15 /* OpenBraceToken */: // import { | + case 24 /* CommaToken */: + switch (contextToken.parent.kind) { + case 228 /* NamedImports */: + case 232 /* NamedExports */: + return contextToken.parent; + } + } + } + return undefined; + } + function tryGetContainingJsxElement(contextToken) { + if (contextToken) { + var parent_13 = contextToken.parent; + switch (contextToken.kind) { + case 26 /* LessThanSlashToken */: + case 39 /* SlashToken */: + case 69 /* Identifier */: + case 241 /* JsxAttribute */: + case 242 /* JsxSpreadAttribute */: + if (parent_13 && (parent_13.kind === 237 /* JsxSelfClosingElement */ || parent_13.kind === 238 /* JsxOpeningElement */)) { + return parent_13; + } + else if (parent_13.kind === 241 /* JsxAttribute */) { + return parent_13.parent; + } + break; + // The context token is the closing } or " of an attribute, which means + // its parent is a JsxExpression, whose parent is a JsxAttribute, + // whose parent is a JsxOpeningLikeElement + case 9 /* StringLiteral */: + if (parent_13 && ((parent_13.kind === 241 /* JsxAttribute */) || (parent_13.kind === 242 /* JsxSpreadAttribute */))) { + return parent_13.parent; + } + break; + case 16 /* CloseBraceToken */: + if (parent_13 && + parent_13.kind === 243 /* JsxExpression */ && + parent_13.parent && + (parent_13.parent.kind === 241 /* JsxAttribute */)) { + return parent_13.parent.parent; + } + if (parent_13 && parent_13.kind === 242 /* JsxSpreadAttribute */) { + return parent_13.parent; + } + break; + } + } + return undefined; + } + function isFunction(kind) { + switch (kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 148 /* CallSignature */: + case 149 /* ConstructSignature */: + case 150 /* IndexSignature */: + return true; + } + return false; + } + /** + * @returns true if we are certain that the currently edited location must define a new location; false otherwise. + */ + function isSolelyIdentifierDefinitionLocation(contextToken) { + var containingNodeKind = contextToken.parent.kind; + switch (contextToken.kind) { + case 24 /* CommaToken */: + return containingNodeKind === 214 /* VariableDeclaration */ || + containingNodeKind === 215 /* VariableDeclarationList */ || + containingNodeKind === 196 /* VariableStatement */ || + containingNodeKind === 220 /* EnumDeclaration */ || + isFunction(containingNodeKind) || + containingNodeKind === 217 /* ClassDeclaration */ || + containingNodeKind === 189 /* ClassExpression */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 165 /* ArrayBindingPattern */ || + containingNodeKind === 219 /* TypeAliasDeclaration */; // type Map, K, | + case 21 /* DotToken */: + return containingNodeKind === 165 /* ArrayBindingPattern */; // var [.| + case 54 /* ColonToken */: + return containingNodeKind === 166 /* BindingElement */; // var {x :html| + case 19 /* OpenBracketToken */: + return containingNodeKind === 165 /* ArrayBindingPattern */; // var [x| + case 17 /* OpenParenToken */: + return containingNodeKind === 247 /* CatchClause */ || + isFunction(containingNodeKind); + case 15 /* OpenBraceToken */: + return containingNodeKind === 220 /* EnumDeclaration */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 156 /* TypeLiteral */; // const x : { | + case 23 /* SemicolonToken */: + return containingNodeKind === 141 /* PropertySignature */ && + contextToken.parent && contextToken.parent.parent && + (contextToken.parent.parent.kind === 218 /* InterfaceDeclaration */ || + contextToken.parent.parent.kind === 156 /* TypeLiteral */); // const x : { a; | + case 25 /* LessThanToken */: + return containingNodeKind === 217 /* ClassDeclaration */ || + containingNodeKind === 189 /* ClassExpression */ || + containingNodeKind === 218 /* InterfaceDeclaration */ || + containingNodeKind === 219 /* TypeAliasDeclaration */ || + isFunction(containingNodeKind); + case 113 /* StaticKeyword */: + return containingNodeKind === 142 /* PropertyDeclaration */; + case 22 /* DotDotDotToken */: + return containingNodeKind === 139 /* Parameter */ || + (contextToken.parent && contextToken.parent.parent && + contextToken.parent.parent.kind === 165 /* ArrayBindingPattern */); // var [...z| + case 112 /* PublicKeyword */: + case 110 /* PrivateKeyword */: + case 111 /* ProtectedKeyword */: + return containingNodeKind === 139 /* Parameter */; + case 116 /* AsKeyword */: + return containingNodeKind === 229 /* ImportSpecifier */ || + containingNodeKind === 233 /* ExportSpecifier */ || + containingNodeKind === 227 /* NamespaceImport */; + case 73 /* ClassKeyword */: + case 81 /* EnumKeyword */: + case 107 /* InterfaceKeyword */: + case 87 /* FunctionKeyword */: + case 102 /* VarKeyword */: + case 123 /* GetKeyword */: + case 129 /* SetKeyword */: + case 89 /* ImportKeyword */: + case 108 /* LetKeyword */: + case 74 /* ConstKeyword */: + case 114 /* YieldKeyword */: + case 132 /* TypeKeyword */: + return true; + } + // Previous token may have been a keyword that was converted to an identifier. + switch (contextToken.getText()) { + case "abstract": + case "async": + case "class": + case "const": + case "declare": + case "enum": + case "function": + case "interface": + case "let": + case "private": + case "protected": + case "public": + case "static": + case "var": + case "yield": + return true; + } + return false; + } + function isDotOfNumericLiteral(contextToken) { + if (contextToken.kind === 8 /* NumericLiteral */) { + var text = contextToken.getFullText(); + return text.charAt(text.length - 1) === "."; + } + return false; + } + /** + * Filters out completion suggestions for named imports or exports. + * + * @param exportsOfModule The list of symbols which a module exposes. + * @param namedImportsOrExports The list of existing import/export specifiers in the import/export clause. + * + * @returns Symbols to be suggested at an import/export clause, barring those whose named imports/exports + * do not occur at the current position and have not otherwise been typed. + */ + function filterNamedImportOrExportCompletionItems(exportsOfModule, namedImportsOrExports) { + var exisingImportsOrExports = {}; + for (var _i = 0, namedImportsOrExports_1 = namedImportsOrExports; _i < namedImportsOrExports_1.length; _i++) { + var element = namedImportsOrExports_1[_i]; + // If this is the current item we are editing right now, do not filter it out + if (element.getStart() <= position && position <= element.getEnd()) { + continue; + } + var name_35 = element.propertyName || element.name; + exisingImportsOrExports[name_35.text] = true; + } + if (ts.isEmpty(exisingImportsOrExports)) { + return exportsOfModule; + } + return ts.filter(exportsOfModule, function (e) { return !ts.lookUp(exisingImportsOrExports, e.name); }); + } + /** + * Filters out completion suggestions for named imports or exports. + * + * @returns Symbols to be suggested in an object binding pattern or object literal expression, barring those whose declarations + * do not occur at the current position and have not otherwise been typed. + */ + function filterObjectMembersList(contextualMemberSymbols, existingMembers) { + if (!existingMembers || existingMembers.length === 0) { + return contextualMemberSymbols; + } + var existingMemberNames = {}; + for (var _i = 0, existingMembers_1 = existingMembers; _i < existingMembers_1.length; _i++) { + var m = existingMembers_1[_i]; + // Ignore omitted expressions for missing members + if (m.kind !== 248 /* PropertyAssignment */ && + m.kind !== 249 /* ShorthandPropertyAssignment */ && + m.kind !== 166 /* BindingElement */ && + m.kind !== 144 /* MethodDeclaration */) { + continue; + } + // If this is the current item we are editing right now, do not filter it out + if (m.getStart() <= position && position <= m.getEnd()) { + continue; + } + var existingName = void 0; + if (m.kind === 166 /* BindingElement */ && m.propertyName) { + // include only identifiers in completion list + if (m.propertyName.kind === 69 /* Identifier */) { + existingName = m.propertyName.text; + } + } + else { + // TODO(jfreeman): Account for computed property name + // NOTE: if one only performs this step when m.name is an identifier, + // things like '__proto__' are not filtered out. + existingName = m.name.text; + } + existingMemberNames[existingName] = true; + } + return ts.filter(contextualMemberSymbols, function (m) { return !ts.lookUp(existingMemberNames, m.name); }); + } + /** + * Filters out completion suggestions from 'symbols' according to existing JSX attributes. + * + * @returns Symbols to be suggested in a JSX element, barring those whose attributes + * do not occur at the current position and have not otherwise been typed. + */ + function filterJsxAttributes(symbols, attributes) { + var seenNames = {}; + for (var _i = 0, attributes_1 = attributes; _i < attributes_1.length; _i++) { + var attr = attributes_1[_i]; + // If this is the current item we are editing right now, do not filter it out + if (attr.getStart() <= position && position <= attr.getEnd()) { + continue; + } + if (attr.kind === 241 /* JsxAttribute */) { + seenNames[attr.name.text] = true; + } + } + return ts.filter(symbols, function (a) { return !ts.lookUp(seenNames, a.name); }); + } + } + function getCompletionsAtPosition(fileName, position) { + synchronizeHostData(); + var completionData = getCompletionData(fileName, position); + if (!completionData) { + return undefined; + } + var symbols = completionData.symbols, isMemberCompletion = completionData.isMemberCompletion, isNewIdentifierLocation = completionData.isNewIdentifierLocation, location = completionData.location, isJsDocTagName = completionData.isJsDocTagName; + if (isJsDocTagName) { + // If the current position is a jsDoc tag name, only tag names should be provided for completion + return { isMemberCompletion: false, isNewIdentifierLocation: false, entries: getAllJsDocCompletionEntries() }; + } + var sourceFile = getValidSourceFile(fileName); + var entries = []; + if (ts.isSourceFileJavaScript(sourceFile)) { + var uniqueNames = getCompletionEntriesFromSymbols(symbols, entries); + ts.addRange(entries, getJavaScriptCompletionEntries(sourceFile, location.pos, uniqueNames)); + } + else { + if (!symbols || symbols.length === 0) { + if (sourceFile.languageVariant === 1 /* JSX */ && + location.parent && location.parent.kind === 240 /* JsxClosingElement */) { + // In the TypeScript JSX element, if such element is not defined. When users query for completion at closing tag, + // instead of simply giving unknown value, the completion will return the tag-name of an associated opening-element. + // For example: + // var x =
completion list at "1" will contain "div" with type any + var tagName = location.parent.parent.openingElement.tagName; + entries.push({ + name: tagName.text, + kind: undefined, + kindModifiers: undefined, + sortText: "0" + }); + } + else { + return undefined; + } + } + getCompletionEntriesFromSymbols(symbols, entries); + } + // Add keywords if this is not a member completion list + if (!isMemberCompletion && !isJsDocTagName) { + ts.addRange(entries, keywordCompletions); + } + return { isMemberCompletion: isMemberCompletion, isNewIdentifierLocation: isNewIdentifierLocation, entries: entries }; + function getJavaScriptCompletionEntries(sourceFile, position, uniqueNames) { + var entries = []; + var target = program.getCompilerOptions().target; + var nameTable = getNameTable(sourceFile); + for (var name_36 in nameTable) { + // Skip identifiers produced only from the current location + if (nameTable[name_36] === position) { + continue; + } + if (!uniqueNames[name_36]) { + uniqueNames[name_36] = name_36; + var displayName = getCompletionEntryDisplayName(name_36, target, /*performCharacterChecks*/ true); + if (displayName) { + var entry = { + name: displayName, + kind: ScriptElementKind.warning, + kindModifiers: "", + sortText: "1" + }; + entries.push(entry); + } + } + } + return entries; + } + function getAllJsDocCompletionEntries() { + return jsDocCompletionEntries || (jsDocCompletionEntries = ts.map(jsDocTagNames, function (tagName) { + return { + name: tagName, + kind: ScriptElementKind.keyword, + kindModifiers: "", + sortText: "0" + }; + })); + } + function createCompletionEntry(symbol, location) { + // Try to get a valid display name for this symbol, if we could not find one, then ignore it. + // We would like to only show things that can be added after a dot, so for instance numeric properties can + // not be accessed with a dot (a.1 <- invalid) + var displayName = getCompletionEntryDisplayNameForSymbol(symbol, program.getCompilerOptions().target, /*performCharacterChecks*/ true, location); + if (!displayName) { + return undefined; + } + // TODO(drosen): Right now we just permit *all* semantic meanings when calling + // 'getSymbolKind' which is permissible given that it is backwards compatible; but + // really we should consider passing the meaning for the node so that we don't report + // that a suggestion for a value is an interface. We COULD also just do what + // 'getSymbolModifiers' does, which is to use the first declaration. + // Use a 'sortText' of 0' so that all symbol completion entries come before any other + // entries (like JavaScript identifier entries). + return { + name: displayName, + kind: getSymbolKind(symbol, location), + kindModifiers: getSymbolModifiers(symbol), + sortText: "0" + }; + } + function getCompletionEntriesFromSymbols(symbols, entries) { + var start = new Date().getTime(); + var uniqueNames = {}; + if (symbols) { + for (var _i = 0, symbols_4 = symbols; _i < symbols_4.length; _i++) { + var symbol = symbols_4[_i]; + var entry = createCompletionEntry(symbol, location); + if (entry) { + var id = ts.escapeIdentifier(entry.name); + if (!ts.lookUp(uniqueNames, id)) { + entries.push(entry); + uniqueNames[id] = id; + } + } + } + } + log("getCompletionsAtPosition: getCompletionEntriesFromSymbols: " + (new Date().getTime() - start)); + return uniqueNames; + } + } + function getCompletionEntryDetails(fileName, position, entryName) { + synchronizeHostData(); + // Compute all the completion symbols again. + var completionData = getCompletionData(fileName, position); + if (completionData) { + var symbols = completionData.symbols, location_2 = completionData.location; + // Find the symbol with the matching entry name. + var target_2 = program.getCompilerOptions().target; + // We don't need to perform character checks here because we're only comparing the + // name against 'entryName' (which is known to be good), not building a new + // completion entry. + var symbol = ts.forEach(symbols, function (s) { return getCompletionEntryDisplayNameForSymbol(s, target_2, /*performCharacterChecks*/ false, location_2) === entryName ? s : undefined; }); + if (symbol) { + var _a = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, getValidSourceFile(fileName), location_2, location_2, 7 /* All */), displayParts = _a.displayParts, documentation = _a.documentation, symbolKind = _a.symbolKind; + return { + name: entryName, + kindModifiers: getSymbolModifiers(symbol), + kind: symbolKind, + displayParts: displayParts, + documentation: documentation + }; + } + } + // Didn't find a symbol with this name. See if we can find a keyword instead. + var keywordCompletion = ts.forEach(keywordCompletions, function (c) { return c.name === entryName; }); + if (keywordCompletion) { + return { + name: entryName, + kind: ScriptElementKind.keyword, + kindModifiers: ScriptElementKindModifier.none, + displayParts: [ts.displayPart(entryName, SymbolDisplayPartKind.keyword)], + documentation: undefined + }; + } + return undefined; + } + // TODO(drosen): use contextual SemanticMeaning. + function getSymbolKind(symbol, location) { + var flags = symbol.getFlags(); + if (flags & 32 /* Class */) + return ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */) ? + ScriptElementKind.localClassElement : ScriptElementKind.classElement; + if (flags & 384 /* Enum */) + return ScriptElementKind.enumElement; + if (flags & 524288 /* TypeAlias */) + return ScriptElementKind.typeElement; + if (flags & 64 /* Interface */) + return ScriptElementKind.interfaceElement; + if (flags & 262144 /* TypeParameter */) + return ScriptElementKind.typeParameterElement; + var result = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location); + if (result === ScriptElementKind.unknown) { + if (flags & 262144 /* TypeParameter */) + return ScriptElementKind.typeParameterElement; + if (flags & 8 /* EnumMember */) + return ScriptElementKind.variableElement; + if (flags & 8388608 /* Alias */) + return ScriptElementKind.alias; + if (flags & 1536 /* Module */) + return ScriptElementKind.moduleElement; + } + return result; + } + function getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, flags, location) { + var typeChecker = program.getTypeChecker(); + if (typeChecker.isUndefinedSymbol(symbol)) { + return ScriptElementKind.variableElement; + } + if (typeChecker.isArgumentsSymbol(symbol)) { + return ScriptElementKind.localVariableElement; + } + if (flags & 3 /* Variable */) { + if (ts.isFirstDeclarationOfSymbolParameter(symbol)) { + return ScriptElementKind.parameterElement; + } + else if (symbol.valueDeclaration && ts.isConst(symbol.valueDeclaration)) { + return ScriptElementKind.constElement; + } + else if (ts.forEach(symbol.declarations, ts.isLet)) { + return ScriptElementKind.letElement; + } + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localVariableElement : ScriptElementKind.variableElement; + } + if (flags & 16 /* Function */) + return isLocalVariableOrFunction(symbol) ? ScriptElementKind.localFunctionElement : ScriptElementKind.functionElement; + if (flags & 32768 /* GetAccessor */) + return ScriptElementKind.memberGetAccessorElement; + if (flags & 65536 /* SetAccessor */) + return ScriptElementKind.memberSetAccessorElement; + if (flags & 8192 /* Method */) + return ScriptElementKind.memberFunctionElement; + if (flags & 16384 /* Constructor */) + return ScriptElementKind.constructorImplementationElement; + if (flags & 4 /* Property */) { + if (flags & 268435456 /* SyntheticProperty */) { + // If union property is result of union of non method (property/accessors/variables), it is labeled as property + var unionPropertyKind = ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + var rootSymbolFlags = rootSymbol.getFlags(); + if (rootSymbolFlags & (98308 /* PropertyOrAccessor */ | 3 /* Variable */)) { + return ScriptElementKind.memberVariableElement; + } + ts.Debug.assert(!!(rootSymbolFlags & 8192 /* Method */)); + }); + if (!unionPropertyKind) { + // If this was union of all methods, + // make sure it has call signatures before we can label it as method + var typeOfUnionProperty = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (typeOfUnionProperty.getCallSignatures().length) { + return ScriptElementKind.memberFunctionElement; + } + return ScriptElementKind.memberVariableElement; + } + return unionPropertyKind; + } + return ScriptElementKind.memberVariableElement; + } + return ScriptElementKind.unknown; + } + function getSymbolModifiers(symbol) { + return symbol && symbol.declarations && symbol.declarations.length > 0 + ? ts.getNodeModifiers(symbol.declarations[0]) + : ScriptElementKindModifier.none; + } + // TODO(drosen): Currently completion entry details passes the SemanticMeaning.All instead of using semanticMeaning of location + function getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, enclosingDeclaration, location, semanticMeaning) { + if (semanticMeaning === void 0) { semanticMeaning = getMeaningFromLocation(location); } + var typeChecker = program.getTypeChecker(); + var displayParts = []; + var documentation; + var symbolFlags = symbol.flags; + var symbolKind = getSymbolKindOfConstructorPropertyMethodAccessorFunctionOrVar(symbol, symbolFlags, location); + var hasAddedSymbolInfo; + var type; + // Class at constructor site need to be shown as constructor apart from property,method, vars + if (symbolKind !== ScriptElementKind.unknown || symbolFlags & 32 /* Class */ || symbolFlags & 8388608 /* Alias */) { + // If it is accessor they are allowed only if location is at name of the accessor + if (symbolKind === ScriptElementKind.memberGetAccessorElement || symbolKind === ScriptElementKind.memberSetAccessorElement) { + symbolKind = ScriptElementKind.memberVariableElement; + } + var signature = void 0; + type = typeChecker.getTypeOfSymbolAtLocation(symbol, location); + if (type) { + if (location.parent && location.parent.kind === 169 /* PropertyAccessExpression */) { + var right = location.parent.name; + // Either the location is on the right of a property access, or on the left and the right is missing + if (right === location || (right && right.getFullWidth() === 0)) { + location = location.parent; + } + } + // try get the call/construct signature from the type if it matches + var callExpression = void 0; + if (location.kind === 171 /* CallExpression */ || location.kind === 172 /* NewExpression */) { + callExpression = location; + } + else if (isCallExpressionTarget(location) || isNewExpressionTarget(location)) { + callExpression = location.parent; + } + if (callExpression) { + var candidateSignatures = []; + signature = typeChecker.getResolvedSignature(callExpression, candidateSignatures); + if (!signature && candidateSignatures.length) { + // Use the first candidate: + signature = candidateSignatures[0]; + } + var useConstructSignatures = callExpression.kind === 172 /* NewExpression */ || callExpression.expression.kind === 95 /* SuperKeyword */; + var allSignatures = useConstructSignatures ? type.getConstructSignatures() : type.getCallSignatures(); + if (!ts.contains(allSignatures, signature.target) && !ts.contains(allSignatures, signature)) { + // Get the first signature if there is one -- allSignatures may contain + // either the original signature or its target, so check for either + signature = allSignatures.length ? allSignatures[0] : undefined; + } + if (signature) { + if (useConstructSignatures && (symbolFlags & 32 /* Class */)) { + // Constructor + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else if (symbolFlags & 8388608 /* Alias */) { + symbolKind = ScriptElementKind.alias; + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + addFullSymbolName(symbol); + } + else { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + } + switch (symbolKind) { + case ScriptElementKind.memberVariableElement: + case ScriptElementKind.variableElement: + case ScriptElementKind.constElement: + case ScriptElementKind.letElement: + case ScriptElementKind.parameterElement: + case ScriptElementKind.localVariableElement: + // If it is call or construct signature of lambda's write type name + displayParts.push(ts.punctuationPart(54 /* ColonToken */)); + displayParts.push(ts.spacePart()); + if (useConstructSignatures) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + if (!(type.flags & 65536 /* Anonymous */)) { + ts.addRange(displayParts, ts.symbolToDisplayParts(typeChecker, type.symbol, enclosingDeclaration, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */)); + } + addSignatureDisplayParts(signature, allSignatures, 8 /* WriteArrowStyleSignature */); + break; + default: + // Just signature + addSignatureDisplayParts(signature, allSignatures); + } + hasAddedSymbolInfo = true; + } + } + else if ((isNameOfFunctionDeclaration(location) && !(symbol.flags & 98304 /* Accessor */)) || + (location.kind === 121 /* ConstructorKeyword */ && location.parent.kind === 145 /* Constructor */)) { + // get the signature from the declaration and write it + var functionDeclaration = location.parent; + var allSignatures = functionDeclaration.kind === 145 /* Constructor */ ? type.getConstructSignatures() : type.getCallSignatures(); + if (!typeChecker.isImplementationOfOverload(functionDeclaration)) { + signature = typeChecker.getSignatureFromDeclaration(functionDeclaration); + } + else { + signature = allSignatures[0]; + } + if (functionDeclaration.kind === 145 /* Constructor */) { + // show (constructor) Type(...) signature + symbolKind = ScriptElementKind.constructorImplementationElement; + addPrefixForAnyFunctionOrVar(type.symbol, symbolKind); + } + else { + // (function/method) symbol(..signature) + addPrefixForAnyFunctionOrVar(functionDeclaration.kind === 148 /* CallSignature */ && + !(type.symbol.flags & 2048 /* TypeLiteral */ || type.symbol.flags & 4096 /* ObjectLiteral */) ? type.symbol : symbol, symbolKind); + } + addSignatureDisplayParts(signature, allSignatures); + hasAddedSymbolInfo = true; + } + } + } + if (symbolFlags & 32 /* Class */ && !hasAddedSymbolInfo) { + if (ts.getDeclarationOfKind(symbol, 189 /* ClassExpression */)) { + // Special case for class expressions because we would like to indicate that + // the class name is local to the class body (similar to function expression) + // (local class) class + pushTypePart(ScriptElementKind.localClassElement); + } + else { + // Class declaration has name which is not local. + displayParts.push(ts.keywordPart(73 /* ClassKeyword */)); + } + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if ((symbolFlags & 64 /* Interface */) && (semanticMeaning & 2 /* Type */)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(107 /* InterfaceKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + } + if (symbolFlags & 524288 /* TypeAlias */) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + writeTypeParametersOfSymbol(symbol, sourceFile); + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, typeChecker.getDeclaredTypeOfSymbol(symbol), enclosingDeclaration)); + } + if (symbolFlags & 384 /* Enum */) { + addNewLineIfDisplayPartsExist(); + if (ts.forEach(symbol.declarations, ts.isConstEnumDeclaration)) { + displayParts.push(ts.keywordPart(74 /* ConstKeyword */)); + displayParts.push(ts.spacePart()); + } + displayParts.push(ts.keywordPart(81 /* EnumKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if (symbolFlags & 1536 /* Module */) { + addNewLineIfDisplayPartsExist(); + var declaration = ts.getDeclarationOfKind(symbol, 221 /* ModuleDeclaration */); + var isNamespace = declaration && declaration.name && declaration.name.kind === 69 /* Identifier */; + displayParts.push(ts.keywordPart(isNamespace ? 126 /* NamespaceKeyword */ : 125 /* ModuleKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + if ((symbolFlags & 262144 /* TypeParameter */) && (semanticMeaning & 2 /* Type */)) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.textPart("type parameter")); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(90 /* InKeyword */)); + displayParts.push(ts.spacePart()); + if (symbol.parent) { + // Class/Interface type parameter + addFullSymbolName(symbol.parent, enclosingDeclaration); + writeTypeParametersOfSymbol(symbol.parent, enclosingDeclaration); + } + else { + // Method/function type parameter + var declaration = ts.getDeclarationOfKind(symbol, 138 /* TypeParameter */); + ts.Debug.assert(declaration !== undefined); + declaration = declaration.parent; + if (declaration) { + if (ts.isFunctionLikeKind(declaration.kind)) { + var signature = typeChecker.getSignatureFromDeclaration(declaration); + if (declaration.kind === 149 /* ConstructSignature */) { + displayParts.push(ts.keywordPart(92 /* NewKeyword */)); + displayParts.push(ts.spacePart()); + } + else if (declaration.kind !== 148 /* CallSignature */ && declaration.name) { + addFullSymbolName(declaration.symbol); + } + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, sourceFile, 32 /* WriteTypeArgumentsOfSignature */)); + } + else { + // Type alias type parameter + // For example + // type list = T[]; // Both T will go through same code path + displayParts.push(ts.keywordPart(132 /* TypeKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(declaration.symbol); + writeTypeParametersOfSymbol(declaration.symbol, sourceFile); + } + } + } + } + if (symbolFlags & 8 /* EnumMember */) { + addPrefixForAnyFunctionOrVar(symbol, "enum member"); + var declaration = symbol.declarations[0]; + if (declaration.kind === 250 /* EnumMember */) { + var constantValue = typeChecker.getConstantValue(declaration); + if (constantValue !== undefined) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.displayPart(constantValue.toString(), SymbolDisplayPartKind.numericLiteral)); + } + } + } + if (symbolFlags & 8388608 /* Alias */) { + addNewLineIfDisplayPartsExist(); + displayParts.push(ts.keywordPart(89 /* ImportKeyword */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + ts.forEach(symbol.declarations, function (declaration) { + if (declaration.kind === 224 /* ImportEqualsDeclaration */) { + var importEqualsDeclaration = declaration; + if (ts.isExternalModuleImportEqualsDeclaration(importEqualsDeclaration)) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.keywordPart(127 /* RequireKeyword */)); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.displayPart(ts.getTextOfNode(ts.getExternalModuleImportEqualsDeclarationExpression(importEqualsDeclaration)), SymbolDisplayPartKind.stringLiteral)); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + else { + var internalAliasSymbol = typeChecker.getSymbolAtLocation(importEqualsDeclaration.moduleReference); + if (internalAliasSymbol) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.operatorPart(56 /* EqualsToken */)); + displayParts.push(ts.spacePart()); + addFullSymbolName(internalAliasSymbol, enclosingDeclaration); + } + } + return true; + } + }); + } + if (!hasAddedSymbolInfo) { + if (symbolKind !== ScriptElementKind.unknown) { + if (type) { + addPrefixForAnyFunctionOrVar(symbol, symbolKind); + // For properties, variables and local vars: show the type + if (symbolKind === ScriptElementKind.memberVariableElement || + symbolFlags & 3 /* Variable */ || + symbolKind === ScriptElementKind.localVariableElement) { + displayParts.push(ts.punctuationPart(54 /* ColonToken */)); + displayParts.push(ts.spacePart()); + // If the type is type parameter, format it specially + if (type.symbol && type.symbol.flags & 262144 /* TypeParameter */) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplay(type, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + else { + ts.addRange(displayParts, ts.typeToDisplayParts(typeChecker, type, enclosingDeclaration)); + } + } + else if (symbolFlags & 16 /* Function */ || + symbolFlags & 8192 /* Method */ || + symbolFlags & 16384 /* Constructor */ || + symbolFlags & 131072 /* Signature */ || + symbolFlags & 98304 /* Accessor */ || + symbolKind === ScriptElementKind.memberFunctionElement) { + var allSignatures = type.getCallSignatures(); + addSignatureDisplayParts(allSignatures[0], allSignatures); + } + } + } + else { + symbolKind = getSymbolKind(symbol, location); + } + } + if (!documentation) { + documentation = symbol.getDocumentationComment(); + } + return { displayParts: displayParts, documentation: documentation, symbolKind: symbolKind }; + function addNewLineIfDisplayPartsExist() { + if (displayParts.length) { + displayParts.push(ts.lineBreakPart()); + } + } + function addFullSymbolName(symbol, enclosingDeclaration) { + var fullSymbolDisplayParts = ts.symbolToDisplayParts(typeChecker, symbol, enclosingDeclaration || sourceFile, /*meaning*/ undefined, 1 /* WriteTypeParametersOrArguments */ | 2 /* UseOnlyExternalAliasing */); + ts.addRange(displayParts, fullSymbolDisplayParts); + } + function addPrefixForAnyFunctionOrVar(symbol, symbolKind) { + addNewLineIfDisplayPartsExist(); + if (symbolKind) { + pushTypePart(symbolKind); + displayParts.push(ts.spacePart()); + addFullSymbolName(symbol); + } + } + function pushTypePart(symbolKind) { + switch (symbolKind) { + case ScriptElementKind.variableElement: + case ScriptElementKind.functionElement: + case ScriptElementKind.letElement: + case ScriptElementKind.constElement: + case ScriptElementKind.constructorImplementationElement: + displayParts.push(ts.textOrKeywordPart(symbolKind)); + return; + default: + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.textOrKeywordPart(symbolKind)); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + return; + } + } + function addSignatureDisplayParts(signature, allSignatures, flags) { + ts.addRange(displayParts, ts.signatureToDisplayParts(typeChecker, signature, enclosingDeclaration, flags | 32 /* WriteTypeArgumentsOfSignature */)); + if (allSignatures.length > 1) { + displayParts.push(ts.spacePart()); + displayParts.push(ts.punctuationPart(17 /* OpenParenToken */)); + displayParts.push(ts.operatorPart(35 /* PlusToken */)); + displayParts.push(ts.displayPart((allSignatures.length - 1).toString(), SymbolDisplayPartKind.numericLiteral)); + displayParts.push(ts.spacePart()); + displayParts.push(ts.textPart(allSignatures.length === 2 ? "overload" : "overloads")); + displayParts.push(ts.punctuationPart(18 /* CloseParenToken */)); + } + documentation = signature.getDocumentationComment(); + } + function writeTypeParametersOfSymbol(symbol, enclosingDeclaration) { + var typeParameterParts = ts.mapToDisplayParts(function (writer) { + typeChecker.getSymbolDisplayBuilder().buildTypeParameterDisplayFromSymbol(symbol, writer, enclosingDeclaration); + }); + ts.addRange(displayParts, typeParameterParts); + } + } + function getQuickInfoAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (isLabelName(node)) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol || typeChecker.isUnknownSymbol(symbol)) { + // Try getting just type at this position and show + switch (node.kind) { + case 69 /* Identifier */: + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + case 97 /* ThisKeyword */: + case 162 /* ThisType */: + case 95 /* SuperKeyword */: + // For the identifiers/this/super etc get the type at position + var type = typeChecker.getTypeAtLocation(node); + if (type) { + return { + kind: ScriptElementKind.unknown, + kindModifiers: ScriptElementKindModifier.none, + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: ts.typeToDisplayParts(typeChecker, type, getContainerNode(node)), + documentation: type.symbol ? type.symbol.getDocumentationComment() : undefined + }; + } + } + return undefined; + } + var displayPartsDocumentationsAndKind = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, sourceFile, getContainerNode(node), node); + return { + kind: displayPartsDocumentationsAndKind.symbolKind, + kindModifiers: getSymbolModifiers(symbol), + textSpan: ts.createTextSpan(node.getStart(), node.getWidth()), + displayParts: displayPartsDocumentationsAndKind.displayParts, + documentation: displayPartsDocumentationsAndKind.documentation + }; + } + function createDefinitionInfo(node, symbolKind, symbolName, containerName) { + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()), + kind: symbolKind, + name: symbolName, + containerKind: undefined, + containerName: containerName + }; + } + function getDefinitionFromSymbol(symbol, node) { + var typeChecker = program.getTypeChecker(); + var result = []; + var declarations = symbol.getDeclarations(); + var symbolName = typeChecker.symbolToString(symbol); // Do not get scoped name, just the name of the symbol + var symbolKind = getSymbolKind(symbol, node); + var containerSymbol = symbol.parent; + var containerName = containerSymbol ? typeChecker.symbolToString(containerSymbol, node) : ""; + if (!tryAddConstructSignature(symbol, node, symbolKind, symbolName, containerName, result) && + !tryAddCallSignature(symbol, node, symbolKind, symbolName, containerName, result)) { + // Just add all the declarations. + ts.forEach(declarations, function (declaration) { + result.push(createDefinitionInfo(declaration, symbolKind, symbolName, containerName)); + }); + } + return result; + function tryAddConstructSignature(symbol, location, symbolKind, symbolName, containerName, result) { + // Applicable only if we are in a new expression, or we are on a constructor declaration + // and in either case the symbol has a construct signature definition, i.e. class + if (isNewExpressionTarget(location) || location.kind === 121 /* ConstructorKeyword */) { + if (symbol.flags & 32 /* Class */) { + // Find the first class-like declaration and try to get the construct signature. + for (var _i = 0, _a = symbol.getDeclarations(); _i < _a.length; _i++) { + var declaration = _a[_i]; + if (ts.isClassLike(declaration)) { + return tryAddSignature(declaration.members, + /*selectConstructors*/ true, symbolKind, symbolName, containerName, result); + } + } + ts.Debug.fail("Expected declaration to have at least one class-like declaration"); + } + } + return false; + } + function tryAddCallSignature(symbol, location, symbolKind, symbolName, containerName, result) { + if (isCallExpressionTarget(location) || isNewExpressionTarget(location) || isNameOfFunctionDeclaration(location)) { + return tryAddSignature(symbol.declarations, /*selectConstructors*/ false, symbolKind, symbolName, containerName, result); + } + return false; + } + function tryAddSignature(signatureDeclarations, selectConstructors, symbolKind, symbolName, containerName, result) { + var declarations = []; + var definition; + ts.forEach(signatureDeclarations, function (d) { + if ((selectConstructors && d.kind === 145 /* Constructor */) || + (!selectConstructors && (d.kind === 216 /* FunctionDeclaration */ || d.kind === 144 /* MethodDeclaration */ || d.kind === 143 /* MethodSignature */))) { + declarations.push(d); + if (d.body) + definition = d; + } + }); + if (definition) { + result.push(createDefinitionInfo(definition, symbolKind, symbolName, containerName)); + return true; + } + else if (declarations.length) { + result.push(createDefinitionInfo(ts.lastOrUndefined(declarations), symbolKind, symbolName, containerName)); + return true; + } + return false; + } + } + /// Goto definition + function getDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + // Labels + if (isJumpStatementTarget(node)) { + var labelName = node.text; + var label = getTargetLabel(node.parent, node.text); + return label ? [createDefinitionInfo(label, ScriptElementKind.label, labelName, /*containerName*/ undefined)] : undefined; + } + /// Triple slash reference comments + var comment = ts.forEach(sourceFile.referencedFiles, function (r) { return (r.pos <= position && position < r.end) ? r : undefined; }); + if (comment) { + var referenceFile = ts.tryResolveScriptReference(program, sourceFile, comment); + if (referenceFile) { + return [{ + fileName: referenceFile.fileName, + textSpan: ts.createTextSpanFromBounds(0, 0), + kind: ScriptElementKind.scriptElement, + name: comment.fileName, + containerName: undefined, + containerKind: undefined + }]; + } + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + // Could not find a symbol e.g. node is string or number keyword, + // or the symbol was an internal symbol and does not have a declaration e.g. undefined symbol + if (!symbol) { + return undefined; + } + // If this is an alias, and the request came at the declaration location + // get the aliased symbol instead. This allows for goto def on an import e.g. + // import {A, B} from "mod"; + // to jump to the implementation directly. + if (symbol.flags & 8388608 /* Alias */) { + var declaration = symbol.declarations[0]; + if (node.kind === 69 /* Identifier */ && node.parent === declaration) { + symbol = typeChecker.getAliasedSymbol(symbol); + } + } + // Because name in short-hand property assignment has two different meanings: property name and property value, + // using go-to-definition at such position should go to the variable declaration of the property value rather than + // go to the declaration of the property name (in this case stay at the same position). However, if go-to-definition + // is performed at the location of property access, we would like to go to definition of the property in the short-hand + // assignment. This case and others are handled by the following code. + if (node.parent.kind === 249 /* ShorthandPropertyAssignment */) { + var shorthandSymbol = typeChecker.getShorthandAssignmentValueSymbol(symbol.valueDeclaration); + if (!shorthandSymbol) { + return []; + } + var shorthandDeclarations = shorthandSymbol.getDeclarations(); + var shorthandSymbolKind_1 = getSymbolKind(shorthandSymbol, node); + var shorthandSymbolName_1 = typeChecker.symbolToString(shorthandSymbol); + var shorthandContainerName_1 = typeChecker.symbolToString(symbol.parent, node); + return ts.map(shorthandDeclarations, function (declaration) { return createDefinitionInfo(declaration, shorthandSymbolKind_1, shorthandSymbolName_1, shorthandContainerName_1); }); + } + return getDefinitionFromSymbol(symbol, node); + } + /// Goto type + function getTypeDefinitionAtPosition(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + var typeChecker = program.getTypeChecker(); + var symbol = typeChecker.getSymbolAtLocation(node); + if (!symbol) { + return undefined; + } + var type = typeChecker.getTypeOfSymbolAtLocation(symbol, node); + if (!type) { + return undefined; + } + if (type.flags & 16384 /* Union */) { + var result_4 = []; + ts.forEach(type.types, function (t) { + if (t.symbol) { + ts.addRange(/*to*/ result_4, /*from*/ getDefinitionFromSymbol(t.symbol, node)); + } + }); + return result_4; + } + if (!type.symbol) { + return undefined; + } + return getDefinitionFromSymbol(type.symbol, node); + } + function getOccurrencesAtPosition(fileName, position) { + var results = getOccurrencesAtPositionCore(fileName, position); + if (results) { + var sourceFile_2 = getCanonicalFileName(ts.normalizeSlashes(fileName)); + // Get occurrences only supports reporting occurrences for the file queried. So + // filter down to that list. + results = ts.filter(results, function (r) { return getCanonicalFileName(ts.normalizeSlashes(r.fileName)) === sourceFile_2; }); + } + return results; + } + function getDocumentHighlights(fileName, position, filesToSearch) { + synchronizeHostData(); + filesToSearch = ts.map(filesToSearch, ts.normalizeSlashes); + var sourceFilesToSearch = ts.filter(program.getSourceFiles(), function (f) { return ts.contains(filesToSearch, f.fileName); }); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingWord(sourceFile, position); + if (!node) { + return undefined; + } + return getSemanticDocumentHighlights(node) || getSyntacticDocumentHighlights(node); + function getHighlightSpanForNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + return { + fileName: sourceFile.fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + kind: HighlightSpanKind.none + }; + } + function getSemanticDocumentHighlights(node) { + if (node.kind === 69 /* Identifier */ || + node.kind === 97 /* ThisKeyword */ || + node.kind === 162 /* ThisType */ || + node.kind === 95 /* SuperKeyword */ || + isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + var referencedSymbols = getReferencedSymbolsForNode(node, sourceFilesToSearch, /*findInStrings*/ false, /*findInComments*/ false); + return convertReferencedSymbols(referencedSymbols); + } + return undefined; + function convertReferencedSymbols(referencedSymbols) { + if (!referencedSymbols) { + return undefined; + } + var fileNameToDocumentHighlights = {}; + var result = []; + for (var _i = 0, referencedSymbols_1 = referencedSymbols; _i < referencedSymbols_1.length; _i++) { + var referencedSymbol = referencedSymbols_1[_i]; + for (var _a = 0, _b = referencedSymbol.references; _a < _b.length; _a++) { + var referenceEntry = _b[_a]; + var fileName_1 = referenceEntry.fileName; + var documentHighlights = ts.getProperty(fileNameToDocumentHighlights, fileName_1); + if (!documentHighlights) { + documentHighlights = { fileName: fileName_1, highlightSpans: [] }; + fileNameToDocumentHighlights[fileName_1] = documentHighlights; + result.push(documentHighlights); + } + documentHighlights.highlightSpans.push({ + textSpan: referenceEntry.textSpan, + kind: referenceEntry.isWriteAccess ? HighlightSpanKind.writtenReference : HighlightSpanKind.reference + }); + } + } + return result; + } + } + function getSyntacticDocumentHighlights(node) { + var fileName = sourceFile.fileName; + var highlightSpans = getHighlightSpans(node); + if (!highlightSpans || highlightSpans.length === 0) { + return undefined; + } + return [{ fileName: fileName, highlightSpans: highlightSpans }]; + // returns true if 'node' is defined and has a matching 'kind'. + function hasKind(node, kind) { + return node !== undefined && node.kind === kind; + } + // Null-propagating 'parent' function. + function parent(node) { + return node && node.parent; + } + function getHighlightSpans(node) { + if (node) { + switch (node.kind) { + case 88 /* IfKeyword */: + case 80 /* ElseKeyword */: + if (hasKind(node.parent, 199 /* IfStatement */)) { + return getIfElseOccurrences(node.parent); + } + break; + case 94 /* ReturnKeyword */: + if (hasKind(node.parent, 207 /* ReturnStatement */)) { + return getReturnOccurrences(node.parent); + } + break; + case 98 /* ThrowKeyword */: + if (hasKind(node.parent, 211 /* ThrowStatement */)) { + return getThrowOccurrences(node.parent); + } + break; + case 72 /* CatchKeyword */: + if (hasKind(parent(parent(node)), 212 /* TryStatement */)) { + return getTryCatchFinallyOccurrences(node.parent.parent); + } + break; + case 100 /* TryKeyword */: + case 85 /* FinallyKeyword */: + if (hasKind(parent(node), 212 /* TryStatement */)) { + return getTryCatchFinallyOccurrences(node.parent); + } + break; + case 96 /* SwitchKeyword */: + if (hasKind(node.parent, 209 /* SwitchStatement */)) { + return getSwitchCaseDefaultOccurrences(node.parent); + } + break; + case 71 /* CaseKeyword */: + case 77 /* DefaultKeyword */: + if (hasKind(parent(parent(parent(node))), 209 /* SwitchStatement */)) { + return getSwitchCaseDefaultOccurrences(node.parent.parent.parent); + } + break; + case 70 /* BreakKeyword */: + case 75 /* ContinueKeyword */: + if (hasKind(node.parent, 206 /* BreakStatement */) || hasKind(node.parent, 205 /* ContinueStatement */)) { + return getBreakOrContinueStatementOccurrences(node.parent); + } + break; + case 86 /* ForKeyword */: + if (hasKind(node.parent, 202 /* ForStatement */) || + hasKind(node.parent, 203 /* ForInStatement */) || + hasKind(node.parent, 204 /* ForOfStatement */)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 104 /* WhileKeyword */: + case 79 /* DoKeyword */: + if (hasKind(node.parent, 201 /* WhileStatement */) || hasKind(node.parent, 200 /* DoStatement */)) { + return getLoopBreakContinueOccurrences(node.parent); + } + break; + case 121 /* ConstructorKeyword */: + if (hasKind(node.parent, 145 /* Constructor */)) { + return getConstructorOccurrences(node.parent); + } + break; + case 123 /* GetKeyword */: + case 129 /* SetKeyword */: + if (hasKind(node.parent, 146 /* GetAccessor */) || hasKind(node.parent, 147 /* SetAccessor */)) { + return getGetAndSetOccurrences(node.parent); + } + break; + default: + if (ts.isModifierKind(node.kind) && node.parent && + (ts.isDeclaration(node.parent) || node.parent.kind === 196 /* VariableStatement */)) { + return getModifierOccurrences(node.kind, node.parent); + } + } + } + return undefined; + } + /** + * Aggregates all throw-statements within this node *without* crossing + * into function boundaries and try-blocks with catch-clauses. + */ + function aggregateOwnedThrowStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 211 /* ThrowStatement */) { + statementAccumulator.push(node); + } + else if (node.kind === 212 /* TryStatement */) { + var tryStatement = node; + if (tryStatement.catchClause) { + aggregate(tryStatement.catchClause); + } + else { + // Exceptions thrown within a try block lacking a catch clause + // are "owned" in the current context. + aggregate(tryStatement.tryBlock); + } + if (tryStatement.finallyBlock) { + aggregate(tryStatement.finallyBlock); + } + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + /** + * For lack of a better name, this function takes a throw statement and returns the + * nearest ancestor that is a try-block (whose try statement has a catch clause), + * function-block, or source file. + */ + function getThrowStatementOwner(throwStatement) { + var child = throwStatement; + while (child.parent) { + var parent_14 = child.parent; + if (ts.isFunctionBlock(parent_14) || parent_14.kind === 251 /* SourceFile */) { + return parent_14; + } + // A throw-statement is only owned by a try-statement if the try-statement has + // a catch clause, and if the throw-statement occurs within the try block. + if (parent_14.kind === 212 /* TryStatement */) { + var tryStatement = parent_14; + if (tryStatement.tryBlock === child && tryStatement.catchClause) { + return child; + } + } + child = parent_14; + } + return undefined; + } + function aggregateAllBreakAndContinueStatements(node) { + var statementAccumulator = []; + aggregate(node); + return statementAccumulator; + function aggregate(node) { + if (node.kind === 206 /* BreakStatement */ || node.kind === 205 /* ContinueStatement */) { + statementAccumulator.push(node); + } + else if (!ts.isFunctionLike(node)) { + ts.forEachChild(node, aggregate); + } + } + } + function ownsBreakOrContinueStatement(owner, statement) { + var actualOwner = getBreakOrContinueOwner(statement); + return actualOwner && actualOwner === owner; + } + function getBreakOrContinueOwner(statement) { + for (var node_2 = statement.parent; node_2; node_2 = node_2.parent) { + switch (node_2.kind) { + case 209 /* SwitchStatement */: + if (statement.kind === 205 /* ContinueStatement */) { + continue; + } + // Fall through. + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 201 /* WhileStatement */: + case 200 /* DoStatement */: + if (!statement.label || isLabeledBy(node_2, statement.label.text)) { + return node_2; + } + break; + default: + // Don't cross function boundaries. + if (ts.isFunctionLike(node_2)) { + return undefined; + } + break; + } + } + return undefined; + } + function getModifierOccurrences(modifier, declaration) { + var container = declaration.parent; + // Make sure we only highlight the keyword when it makes sense to do so. + if (ts.isAccessibilityModifier(modifier)) { + if (!(container.kind === 217 /* ClassDeclaration */ || + container.kind === 189 /* ClassExpression */ || + (declaration.kind === 139 /* Parameter */ && hasKind(container, 145 /* Constructor */)))) { + return undefined; + } + } + else if (modifier === 113 /* StaticKeyword */) { + if (!(container.kind === 217 /* ClassDeclaration */ || container.kind === 189 /* ClassExpression */)) { + return undefined; + } + } + else if (modifier === 82 /* ExportKeyword */ || modifier === 122 /* DeclareKeyword */) { + if (!(container.kind === 222 /* ModuleBlock */ || container.kind === 251 /* SourceFile */)) { + return undefined; + } + } + else if (modifier === 115 /* AbstractKeyword */) { + if (!(container.kind === 217 /* ClassDeclaration */ || declaration.kind === 217 /* ClassDeclaration */)) { + return undefined; + } + } + else { + // unsupported modifier + return undefined; + } + var keywords = []; + var modifierFlag = getFlagFromModifier(modifier); + var nodes; + switch (container.kind) { + case 222 /* ModuleBlock */: + case 251 /* SourceFile */: + // Container is either a class declaration or the declaration is a classDeclaration + if (modifierFlag & 128 /* Abstract */) { + nodes = declaration.members.concat(declaration); + } + else { + nodes = container.statements; + } + break; + case 145 /* Constructor */: + nodes = container.parameters.concat(container.parent.members); + break; + case 217 /* ClassDeclaration */: + case 189 /* ClassExpression */: + nodes = container.members; + // If we're an accessibility modifier, we're in an instance member and should search + // the constructor's parameter list for instance members as well. + if (modifierFlag & 56 /* AccessibilityModifier */) { + var constructor = ts.forEach(container.members, function (member) { + return member.kind === 145 /* Constructor */ && member; + }); + if (constructor) { + nodes = nodes.concat(constructor.parameters); + } + } + else if (modifierFlag & 128 /* Abstract */) { + nodes = nodes.concat(container); + } + break; + default: + ts.Debug.fail("Invalid container kind."); + } + ts.forEach(nodes, function (node) { + if (node.modifiers && node.flags & modifierFlag) { + ts.forEach(node.modifiers, function (child) { return pushKeywordIf(keywords, child, modifier); }); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + function getFlagFromModifier(modifier) { + switch (modifier) { + case 112 /* PublicKeyword */: + return 8 /* Public */; + case 110 /* PrivateKeyword */: + return 16 /* Private */; + case 111 /* ProtectedKeyword */: + return 32 /* Protected */; + case 113 /* StaticKeyword */: + return 64 /* Static */; + case 82 /* ExportKeyword */: + return 2 /* Export */; + case 122 /* DeclareKeyword */: + return 4 /* Ambient */; + case 115 /* AbstractKeyword */: + return 128 /* Abstract */; + default: + ts.Debug.fail(); + } + } + } + function pushKeywordIf(keywordList, token) { + var expected = []; + for (var _i = 2; _i < arguments.length; _i++) { + expected[_i - 2] = arguments[_i]; + } + if (token && ts.contains(expected, token.kind)) { + keywordList.push(token); + return true; + } + return false; + } + function getGetAndSetOccurrences(accessorDeclaration) { + var keywords = []; + tryPushAccessorKeyword(accessorDeclaration.symbol, 146 /* GetAccessor */); + tryPushAccessorKeyword(accessorDeclaration.symbol, 147 /* SetAccessor */); + return ts.map(keywords, getHighlightSpanForNode); + function tryPushAccessorKeyword(accessorSymbol, accessorKind) { + var accessor = ts.getDeclarationOfKind(accessorSymbol, accessorKind); + if (accessor) { + ts.forEach(accessor.getChildren(), function (child) { return pushKeywordIf(keywords, child, 123 /* GetKeyword */, 129 /* SetKeyword */); }); + } + } + } + function getConstructorOccurrences(constructorDeclaration) { + var declarations = constructorDeclaration.symbol.getDeclarations(); + var keywords = []; + ts.forEach(declarations, function (declaration) { + ts.forEach(declaration.getChildren(), function (token) { + return pushKeywordIf(keywords, token, 121 /* ConstructorKeyword */); + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getLoopBreakContinueOccurrences(loopNode) { + var keywords = []; + if (pushKeywordIf(keywords, loopNode.getFirstToken(), 86 /* ForKeyword */, 104 /* WhileKeyword */, 79 /* DoKeyword */)) { + // If we succeeded and got a do-while loop, then start looking for a 'while' keyword. + if (loopNode.kind === 200 /* DoStatement */) { + var loopTokens = loopNode.getChildren(); + for (var i = loopTokens.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, loopTokens[i], 104 /* WhileKeyword */)) { + break; + } + } + } + } + var breaksAndContinues = aggregateAllBreakAndContinueStatements(loopNode.statement); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(loopNode, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */, 75 /* ContinueKeyword */); + } + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getBreakOrContinueStatementOccurrences(breakOrContinueStatement) { + var owner = getBreakOrContinueOwner(breakOrContinueStatement); + if (owner) { + switch (owner.kind) { + case 202 /* ForStatement */: + case 203 /* ForInStatement */: + case 204 /* ForOfStatement */: + case 200 /* DoStatement */: + case 201 /* WhileStatement */: + return getLoopBreakContinueOccurrences(owner); + case 209 /* SwitchStatement */: + return getSwitchCaseDefaultOccurrences(owner); + } + } + return undefined; + } + function getSwitchCaseDefaultOccurrences(switchStatement) { + var keywords = []; + pushKeywordIf(keywords, switchStatement.getFirstToken(), 96 /* SwitchKeyword */); + // Go through each clause in the switch statement, collecting the 'case'/'default' keywords. + ts.forEach(switchStatement.caseBlock.clauses, function (clause) { + pushKeywordIf(keywords, clause.getFirstToken(), 71 /* CaseKeyword */, 77 /* DefaultKeyword */); + var breaksAndContinues = aggregateAllBreakAndContinueStatements(clause); + ts.forEach(breaksAndContinues, function (statement) { + if (ownsBreakOrContinueStatement(switchStatement, statement)) { + pushKeywordIf(keywords, statement.getFirstToken(), 70 /* BreakKeyword */); + } + }); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getTryCatchFinallyOccurrences(tryStatement) { + var keywords = []; + pushKeywordIf(keywords, tryStatement.getFirstToken(), 100 /* TryKeyword */); + if (tryStatement.catchClause) { + pushKeywordIf(keywords, tryStatement.catchClause.getFirstToken(), 72 /* CatchKeyword */); + } + if (tryStatement.finallyBlock) { + var finallyKeyword = ts.findChildOfKind(tryStatement, 85 /* FinallyKeyword */, sourceFile); + pushKeywordIf(keywords, finallyKeyword, 85 /* FinallyKeyword */); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getThrowOccurrences(throwStatement) { + var owner = getThrowStatementOwner(throwStatement); + if (!owner) { + return undefined; + } + var keywords = []; + ts.forEach(aggregateOwnedThrowStatements(owner), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); + }); + // If the "owner" is a function, then we equate 'return' and 'throw' statements in their + // ability to "jump out" of the function, and include occurrences for both. + if (ts.isFunctionBlock(owner)) { + ts.forEachReturnStatement(owner, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); + }); + } + return ts.map(keywords, getHighlightSpanForNode); + } + function getReturnOccurrences(returnStatement) { + var func = ts.getContainingFunction(returnStatement); + // If we didn't find a containing function with a block body, bail out. + if (!(func && hasKind(func.body, 195 /* Block */))) { + return undefined; + } + var keywords = []; + ts.forEachReturnStatement(func.body, function (returnStatement) { + pushKeywordIf(keywords, returnStatement.getFirstToken(), 94 /* ReturnKeyword */); + }); + // Include 'throw' statements that do not occur within a try block. + ts.forEach(aggregateOwnedThrowStatements(func.body), function (throwStatement) { + pushKeywordIf(keywords, throwStatement.getFirstToken(), 98 /* ThrowKeyword */); + }); + return ts.map(keywords, getHighlightSpanForNode); + } + function getIfElseOccurrences(ifStatement) { + var keywords = []; + // Traverse upwards through all parent if-statements linked by their else-branches. + while (hasKind(ifStatement.parent, 199 /* IfStatement */) && ifStatement.parent.elseStatement === ifStatement) { + ifStatement = ifStatement.parent; + } + // Now traverse back down through the else branches, aggregating if/else keywords of if-statements. + while (ifStatement) { + var children = ifStatement.getChildren(); + pushKeywordIf(keywords, children[0], 88 /* IfKeyword */); + // Generally the 'else' keyword is second-to-last, so we traverse backwards. + for (var i = children.length - 1; i >= 0; i--) { + if (pushKeywordIf(keywords, children[i], 80 /* ElseKeyword */)) { + break; + } + } + if (!hasKind(ifStatement.elseStatement, 199 /* IfStatement */)) { + break; + } + ifStatement = ifStatement.elseStatement; + } + var result = []; + // We'd like to highlight else/ifs together if they are only separated by whitespace + // (i.e. the keywords are separated by no comments, no newlines). + for (var i = 0; i < keywords.length; i++) { + if (keywords[i].kind === 80 /* ElseKeyword */ && i < keywords.length - 1) { + var elseKeyword = keywords[i]; + var ifKeyword = keywords[i + 1]; // this *should* always be an 'if' keyword. + var shouldCombindElseAndIf = true; + // Avoid recalculating getStart() by iterating backwards. + for (var j = ifKeyword.getStart() - 1; j >= elseKeyword.end; j--) { + if (!ts.isWhiteSpace(sourceFile.text.charCodeAt(j))) { + shouldCombindElseAndIf = false; + break; + } + } + if (shouldCombindElseAndIf) { + result.push({ + fileName: fileName, + textSpan: ts.createTextSpanFromBounds(elseKeyword.getStart(), ifKeyword.end), + kind: HighlightSpanKind.reference + }); + i++; // skip the next keyword + continue; + } + } + // Ordinary case: just highlight the keyword. + result.push(getHighlightSpanForNode(keywords[i])); + } + return result; + } + } + } + /// References and Occurrences + function getOccurrencesAtPositionCore(fileName, position) { + synchronizeHostData(); + return convertDocumentHighlights(getDocumentHighlights(fileName, position, [fileName])); + function convertDocumentHighlights(documentHighlights) { + if (!documentHighlights) { + return undefined; + } + var result = []; + for (var _i = 0, documentHighlights_1 = documentHighlights; _i < documentHighlights_1.length; _i++) { + var entry = documentHighlights_1[_i]; + for (var _a = 0, _b = entry.highlightSpans; _a < _b.length; _a++) { + var highlightSpan = _b[_a]; + result.push({ + fileName: entry.fileName, + textSpan: highlightSpan.textSpan, + isWriteAccess: highlightSpan.kind === HighlightSpanKind.writtenReference + }); + } + } + return result; + } + } + function convertReferences(referenceSymbols) { + if (!referenceSymbols) { + return undefined; + } + var referenceEntries = []; + for (var _i = 0, referenceSymbols_1 = referenceSymbols; _i < referenceSymbols_1.length; _i++) { + var referenceSymbol = referenceSymbols_1[_i]; + ts.addRange(referenceEntries, referenceSymbol.references); + } + return referenceEntries; + } + function findRenameLocations(fileName, position, findInStrings, findInComments) { + var referencedSymbols = findReferencedSymbols(fileName, position, findInStrings, findInComments); + return convertReferences(referencedSymbols); + } + function getReferencesAtPosition(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); + return convertReferences(referencedSymbols); + } + function findReferences(fileName, position) { + var referencedSymbols = findReferencedSymbols(fileName, position, /*findInStrings*/ false, /*findInComments*/ false); + // Only include referenced symbols that have a valid definition. + return ts.filter(referencedSymbols, function (rs) { return !!rs.definition; }); + } + function findReferencedSymbols(fileName, position, findInStrings, findInComments) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var node = ts.getTouchingPropertyName(sourceFile, position); + if (!node) { + return undefined; + } + if (node.kind !== 69 /* Identifier */ && + // TODO (drosen): This should be enabled in a later release - currently breaks rename. + // node.kind !== SyntaxKind.ThisKeyword && + // node.kind !== SyntaxKind.SuperKeyword && + !isLiteralNameOfPropertyDeclarationOrIndexAccess(node) && + !isNameOfExternalModuleImportOrDeclaration(node)) { + return undefined; + } + ts.Debug.assert(node.kind === 69 /* Identifier */ || node.kind === 8 /* NumericLiteral */ || node.kind === 9 /* StringLiteral */); + return getReferencedSymbolsForNode(node, program.getSourceFiles(), findInStrings, findInComments); + } + function getReferencedSymbolsForNode(node, sourceFiles, findInStrings, findInComments) { + var typeChecker = program.getTypeChecker(); + // Labels + if (isLabelName(node)) { + if (isJumpStatementTarget(node)) { + var labelDefinition = getTargetLabel(node.parent, node.text); + // if we have a label definition, look within its statement for references, if not, then + // the label is undefined and we have no results.. + return labelDefinition ? getLabelReferencesInNode(labelDefinition.parent, labelDefinition) : undefined; + } + else { + // it is a label definition and not a target, search within the parent labeledStatement + return getLabelReferencesInNode(node.parent, node); + } + } + if (node.kind === 97 /* ThisKeyword */ || node.kind === 162 /* ThisType */) { + return getReferencesForThisKeyword(node, sourceFiles); + } + if (node.kind === 95 /* SuperKeyword */) { + return getReferencesForSuperKeyword(node); + } + var symbol = typeChecker.getSymbolAtLocation(node); + // Could not find a symbol e.g. unknown identifier + if (!symbol) { + // Can't have references to something that we have no symbol for. + return undefined; + } + var declarations = symbol.declarations; + // The symbol was an internal symbol and does not have a declaration e.g. undefined symbol + if (!declarations || !declarations.length) { + return undefined; + } + var result; + // Compute the meaning from the location and the symbol it references + var searchMeaning = getIntersectingMeaningFromDeclarations(getMeaningFromLocation(node), declarations); + // Get the text to search for. + // Note: if this is an external module symbol, the name doesn't include quotes. + var declaredName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + // Try to get the smallest valid scope that we can limit our search to; + // otherwise we'll need to search globally (i.e. include each file). + var scope = getSymbolScope(symbol); + // Maps from a symbol ID to the ReferencedSymbol entry in 'result'. + var symbolToIndex = []; + if (scope) { + result = []; + getReferencesInNode(scope, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + else { + var internedName = getInternedName(symbol, node, declarations); + for (var _i = 0, sourceFiles_3 = sourceFiles; _i < sourceFiles_3.length; _i++) { + var sourceFile = sourceFiles_3[_i]; + cancellationToken.throwIfCancellationRequested(); + var nameTable = getNameTable(sourceFile); + if (ts.lookUp(nameTable, internedName) !== undefined) { + result = result || []; + getReferencesInNode(sourceFile, symbol, declaredName, node, searchMeaning, findInStrings, findInComments, result, symbolToIndex); + } + } + } + return result; + function getDefinition(symbol) { + var info = getSymbolDisplayPartsDocumentationAndSymbolKind(symbol, node.getSourceFile(), getContainerNode(node), node); + var name = ts.map(info.displayParts, function (p) { return p.text; }).join(""); + var declarations = symbol.declarations; + if (!declarations || declarations.length === 0) { + return undefined; + } + return { + containerKind: "", + containerName: "", + name: name, + kind: info.symbolKind, + fileName: declarations[0].getSourceFile().fileName, + textSpan: ts.createTextSpan(declarations[0].getStart(), 0) + }; + } + function isImportSpecifierSymbol(symbol) { + return (symbol.flags & 8388608 /* Alias */) && !!ts.getDeclarationOfKind(symbol, 229 /* ImportSpecifier */); + } + function getInternedName(symbol, location, declarations) { + // If this is an export or import specifier it could have been renamed using the 'as' syntax. + // If so we want to search for whatever under the cursor. + if (ts.isImportOrExportSpecifierName(location)) { + return location.getText(); + } + // Try to get the local symbol if we're dealing with an 'export default' + // since that symbol has the "true" name. + var localExportDefaultSymbol = ts.getLocalSymbolForExportDefault(symbol); + symbol = localExportDefaultSymbol || symbol; + return ts.stripQuotes(symbol.name); + } + /** + * Determines the smallest scope in which a symbol may have named references. + * Note that not every construct has been accounted for. This function can + * probably be improved. + * + * @returns undefined if the scope cannot be determined, implying that + * a reference to a symbol can occur anywhere. + */ + function getSymbolScope(symbol) { + // If this is the symbol of a named function expression or named class expression, + // then named references are limited to its own scope. + var valueDeclaration = symbol.valueDeclaration; + if (valueDeclaration && (valueDeclaration.kind === 176 /* FunctionExpression */ || valueDeclaration.kind === 189 /* ClassExpression */)) { + return valueDeclaration; + } + // If this is private property or method, the scope is the containing class + if (symbol.flags & (4 /* Property */ | 8192 /* Method */)) { + var privateDeclaration = ts.forEach(symbol.getDeclarations(), function (d) { return (d.flags & 16 /* Private */) ? d : undefined; }); + if (privateDeclaration) { + return ts.getAncestor(privateDeclaration, 217 /* ClassDeclaration */); + } + } + // If the symbol is an import we would like to find it if we are looking for what it imports. + // So consider it visibile outside its declaration scope. + if (symbol.flags & 8388608 /* Alias */) { + return undefined; + } + // if this symbol is visible from its parent container, e.g. exported, then bail out + // if symbol correspond to the union property - bail out + if (symbol.parent || (symbol.flags & 268435456 /* SyntheticProperty */)) { + return undefined; + } + var scope; + var declarations = symbol.getDeclarations(); + if (declarations) { + for (var _i = 0, declarations_8 = declarations; _i < declarations_8.length; _i++) { + var declaration = declarations_8[_i]; + var container = getContainerNode(declaration); + if (!container) { + return undefined; + } + if (scope && scope !== container) { + // Different declarations have different containers, bail out + return undefined; + } + if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { + // This is a global variable and not an external module, any declaration defined + // within this scope is visible outside the file + return undefined; + } + // The search scope is the container node + scope = container; + } + } + return scope; + } + function getPossibleSymbolReferencePositions(sourceFile, symbolName, start, end) { + var positions = []; + /// TODO: Cache symbol existence for files to save text search + // Also, need to make this work for unicode escapes. + // Be resilient in the face of a symbol with no name or zero length name + if (!symbolName || !symbolName.length) { + return positions; + } + var text = sourceFile.text; + var sourceLength = text.length; + var symbolNameLength = symbolName.length; + var position = text.indexOf(symbolName, start); + while (position >= 0) { + cancellationToken.throwIfCancellationRequested(); + // If we are past the end, stop looking + if (position > end) + break; + // We found a match. Make sure it's not part of a larger word (i.e. the char + // before and after it have to be a non-identifier char). + var endPosition = position + symbolNameLength; + if ((position === 0 || !ts.isIdentifierPart(text.charCodeAt(position - 1), 2 /* Latest */)) && + (endPosition === sourceLength || !ts.isIdentifierPart(text.charCodeAt(endPosition), 2 /* Latest */))) { + // Found a real match. Keep searching. + positions.push(position); + } + position = text.indexOf(symbolName, position + symbolNameLength + 1); + } + return positions; + } + function getLabelReferencesInNode(container, targetLabel) { + var references = []; + var sourceFile = container.getSourceFile(); + var labelName = targetLabel.text; + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, labelName, container.getStart(), container.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.getWidth() !== labelName.length) { + return; + } + // Only pick labels that are either the target label, or have a target that is the target label + if (node === targetLabel || + (isJumpStatementTarget(node) && getTargetLabel(node, labelName) === targetLabel)) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = { + containerKind: "", + containerName: "", + fileName: targetLabel.getSourceFile().fileName, + kind: ScriptElementKind.label, + name: labelName, + textSpan: ts.createTextSpanFromBounds(targetLabel.getStart(), targetLabel.getEnd()) + }; + return [{ definition: definition, references: references }]; + } + function isValidReferencePosition(node, searchSymbolName) { + if (node) { + // Compare the length so we filter out strict superstrings of the symbol we are looking for + switch (node.kind) { + case 69 /* Identifier */: + return node.getWidth() === searchSymbolName.length; + case 9 /* StringLiteral */: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node) || + isNameOfExternalModuleImportOrDeclaration(node)) { + // For string literals we have two additional chars for the quotes + return node.getWidth() === searchSymbolName.length + 2; + } + break; + case 8 /* NumericLiteral */: + if (isLiteralNameOfPropertyDeclarationOrIndexAccess(node)) { + return node.getWidth() === searchSymbolName.length; + } + break; + } + } + return false; + } + /** Search within node "container" for references for a search value, where the search value is defined as a + * tuple of(searchSymbol, searchText, searchLocation, and searchMeaning). + * searchLocation: a node where the search value + */ + function getReferencesInNode(container, searchSymbol, searchText, searchLocation, searchMeaning, findInStrings, findInComments, result, symbolToIndex) { + var sourceFile = container.getSourceFile(); + var tripleSlashDirectivePrefixRegex = /^\/\/\/\s*= 0) { + var referencedSymbol = getReferencedSymbol(shorthandValueSymbol); + referencedSymbol.references.push(getReferenceEntryFromNode(referenceSymbolDeclaration.name)); + } + } + }); + } + return; + function getReferencedSymbol(symbol) { + var symbolId = ts.getSymbolId(symbol); + var index = symbolToIndex[symbolId]; + if (index === undefined) { + index = result.length; + symbolToIndex[symbolId] = index; + result.push({ + definition: getDefinition(symbol), + references: [] + }); + } + return result[index]; + } + function isInNonReferenceComment(sourceFile, position) { + return ts.isInCommentHelper(sourceFile, position, isNonReferenceComment); + function isNonReferenceComment(c) { + var commentText = sourceFile.text.substring(c.pos, c.end); + return !tripleSlashDirectivePrefixRegex.test(commentText); + } + } + } + function getReferencesForSuperKeyword(superKeyword) { + var searchSpaceNode = ts.getSuperContainer(superKeyword, /*stopOnFunctions*/ false); + if (!searchSpaceNode) { + return undefined; + } + // Whether 'super' occurs in a static context within a class. + var staticFlag = 64 /* Static */; + switch (searchSpaceNode.kind) { + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + default: + return undefined; + } + var references = []; + var sourceFile = searchSpaceNode.getSourceFile(); + var possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "super", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || node.kind !== 95 /* SuperKeyword */) { + return; + } + var container = ts.getSuperContainer(node, /*stopOnFunctions*/ false); + // If we have a 'super' container, we must have an enclosing class. + // Now make sure the owning class is the same as the search-space + // and has the same static qualifier as the original 'super's owner. + if (container && (64 /* Static */ & container.flags) === staticFlag && container.parent.symbol === searchSpaceNode.symbol) { + references.push(getReferenceEntryFromNode(node)); + } + }); + var definition = getDefinition(searchSpaceNode.symbol); + return [{ definition: definition, references: references }]; + } + function getReferencesForThisKeyword(thisOrSuperKeyword, sourceFiles) { + var searchSpaceNode = ts.getThisContainer(thisOrSuperKeyword, /* includeArrowFunctions */ false); + // Whether 'this' occurs in a static context within a class. + var staticFlag = 64 /* Static */; + switch (searchSpaceNode.kind) { + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (ts.isObjectLiteralMethod(searchSpaceNode)) { + break; + } + // fall through + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + staticFlag &= searchSpaceNode.flags; + searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning class + break; + case 251 /* SourceFile */: + if (ts.isExternalModule(searchSpaceNode)) { + return undefined; + } + // Fall through + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + break; + // Computed properties in classes are not handled here because references to this are illegal, + // so there is no point finding references to them. + default: + return undefined; + } + var references = []; + var possiblePositions; + if (searchSpaceNode.kind === 251 /* SourceFile */) { + ts.forEach(sourceFiles, function (sourceFile) { + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", sourceFile.getStart(), sourceFile.getEnd()); + getThisReferencesInFile(sourceFile, sourceFile, possiblePositions, references); + }); + } + else { + var sourceFile = searchSpaceNode.getSourceFile(); + possiblePositions = getPossibleSymbolReferencePositions(sourceFile, "this", searchSpaceNode.getStart(), searchSpaceNode.getEnd()); + getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, references); + } + return [{ + definition: { + containerKind: "", + containerName: "", + fileName: node.getSourceFile().fileName, + kind: ScriptElementKind.variableElement, + name: "this", + textSpan: ts.createTextSpanFromBounds(node.getStart(), node.getEnd()) + }, + references: references + }]; + function getThisReferencesInFile(sourceFile, searchSpaceNode, possiblePositions, result) { + ts.forEach(possiblePositions, function (position) { + cancellationToken.throwIfCancellationRequested(); + var node = ts.getTouchingWord(sourceFile, position); + if (!node || (node.kind !== 97 /* ThisKeyword */ && node.kind !== 162 /* ThisType */)) { + return; + } + var container = ts.getThisContainer(node, /* includeArrowFunctions */ false); + switch (searchSpaceNode.kind) { + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + if (searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + if (ts.isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 189 /* ClassExpression */: + case 217 /* ClassDeclaration */: + // Make sure the container belongs to the same class + // and has the appropriate static modifier from the original container. + if (container.parent && searchSpaceNode.symbol === container.parent.symbol && (container.flags & 64 /* Static */) === staticFlag) { + result.push(getReferenceEntryFromNode(node)); + } + break; + case 251 /* SourceFile */: + if (container.kind === 251 /* SourceFile */ && !ts.isExternalModule(container)) { + result.push(getReferenceEntryFromNode(node)); + } + break; + } + }); + } + } + function populateSearchSymbolSet(symbol, location) { + // The search set contains at least the current symbol + var result = [symbol]; + // If the symbol is an alias, add what it alaises to the list + if (isImportSpecifierSymbol(symbol)) { + result.push(typeChecker.getAliasedSymbol(symbol)); + } + // For export specifiers, the exported name can be refering to a local symbol, e.g.: + // import {a} from "mod"; + // export {a as somethingElse} + // We want the *local* declaration of 'a' as declared in the import, + // *not* as declared within "mod" (or farther) + if (location.parent.kind === 233 /* ExportSpecifier */) { + result.push(typeChecker.getExportSpecifierLocalTargetSymbol(location.parent)); + } + // If the location is in a context sensitive location (i.e. in an object literal) try + // to get a contextual type for it, and add the property symbol from the contextual + // type to the search set + if (isNameOfPropertyAssignment(location)) { + ts.forEach(getPropertySymbolsFromContextualType(location), function (contextualSymbol) { + ts.addRange(result, typeChecker.getRootSymbols(contextualSymbol)); + }); + /* Because in short-hand property assignment, location has two meaning : property name and as value of the property + * When we do findAllReference at the position of the short-hand property assignment, we would want to have references to position of + * property name and variable declaration of the identifier. + * Like in below example, when querying for all references for an identifier 'name', of the property assignment, the language service + * should show both 'name' in 'obj' and 'name' in variable declaration + * const name = "Foo"; + * const obj = { name }; + * In order to do that, we will populate the search set with the value symbol of the identifier as a value of the property assignment + * so that when matching with potential reference symbol, both symbols from property declaration and variable declaration + * will be included correctly. + */ + var shorthandValueSymbol = typeChecker.getShorthandAssignmentValueSymbol(location.parent); + if (shorthandValueSymbol) { + result.push(shorthandValueSymbol); + } + } + // If the symbol.valueDeclaration is a property parameter declaration, + // we should include both parameter declaration symbol and property declaration symbol + // Parameter Declaration symbol is only visible within function scope, so the symbol is stored in contructor.locals. + // Property Declaration symbol is a member of the class, so the symbol is stored in its class Declaration.symbol.members + if (symbol.valueDeclaration && symbol.valueDeclaration.kind === 139 /* Parameter */ && + ts.isParameterPropertyDeclaration(symbol.valueDeclaration)) { + result = result.concat(typeChecker.getSymbolsOfParameterPropertyDeclaration(symbol.valueDeclaration, symbol.name)); + } + // If this is a union property, add all the symbols from all its source symbols in all unioned types. + // If the symbol is an instantiation from a another symbol (e.g. widened symbol) , add the root the list + ts.forEach(typeChecker.getRootSymbols(symbol), function (rootSymbol) { + if (rootSymbol !== symbol) { + result.push(rootSymbol); + } + // Add symbol of properties/methods of the same name in base classes and implemented interfaces definitions + if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result, /*previousIterationSymbolsCache*/ {}); + } + }); + return result; + } + /** + * Find symbol of the given property-name and add the symbol to the given result array + * @param symbol a symbol to start searching for the given propertyName + * @param propertyName a name of property to serach for + * @param result an array of symbol of found property symbols + * @param previousIterationSymbolsCache a cache of symbol from previous iterations of calling this function to prevent infinite revisitng of the same symbol. + * The value of previousIterationSymbol is undefined when the function is first called. + */ + function getPropertySymbolsFromBaseTypes(symbol, propertyName, result, previousIterationSymbolsCache) { + if (!symbol) { + return; + } + // If the current symbol is the same as the previous-iteration symbol, we can just return the symbol that has already been visited + // This is particularly important for the following cases, so that we do not infinitely visit the same symbol. + // For example: + // interface C extends C { + // /*findRef*/propName: string; + // } + // The first time getPropertySymbolsFromBaseTypes is called when finding-all-references at propName, + // the symbol argument will be the symbol of an interface "C" and previousIterationSymbol is undefined, + // the function will add any found symbol of the property-name, then its sub-routine will call + // getPropertySymbolsFromBaseTypes again to walk up any base types to prevent revisiting already + // visited symbol, interface "C", the sub-routine will pass the current symbol as previousIterationSymbol. + if (ts.hasProperty(previousIterationSymbolsCache, symbol.name)) { + return; + } + if (symbol.flags & (32 /* Class */ | 64 /* Interface */)) { + ts.forEach(symbol.getDeclarations(), function (declaration) { + if (declaration.kind === 217 /* ClassDeclaration */) { + getPropertySymbolFromTypeReference(ts.getClassExtendsHeritageClauseElement(declaration)); + ts.forEach(ts.getClassImplementsHeritageClauseElements(declaration), getPropertySymbolFromTypeReference); + } + else if (declaration.kind === 218 /* InterfaceDeclaration */) { + ts.forEach(ts.getInterfaceBaseTypeNodes(declaration), getPropertySymbolFromTypeReference); + } + }); + } + return; + function getPropertySymbolFromTypeReference(typeReference) { + if (typeReference) { + var type = typeChecker.getTypeAtLocation(typeReference); + if (type) { + var propertySymbol = typeChecker.getPropertyOfType(type, propertyName); + if (propertySymbol) { + result.push(propertySymbol); + } + // Visit the typeReference as well to see if it directly or indirectly use that property + previousIterationSymbolsCache[symbol.name] = symbol; + getPropertySymbolsFromBaseTypes(type.symbol, propertyName, result, previousIterationSymbolsCache); + } + } + } + } + function getRelatedSymbol(searchSymbols, referenceSymbol, referenceLocation) { + if (searchSymbols.indexOf(referenceSymbol) >= 0) { + return referenceSymbol; + } + // If the reference symbol is an alias, check if what it is aliasing is one of the search + // symbols. + if (isImportSpecifierSymbol(referenceSymbol)) { + var aliasedSymbol = typeChecker.getAliasedSymbol(referenceSymbol); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + // For export specifiers, it can be a local symbol, e.g. + // import {a} from "mod"; + // export {a as somethingElse} + // We want the local target of the export (i.e. the import symbol) and not the final target (i.e. "mod".a) + if (referenceLocation.parent.kind === 233 /* ExportSpecifier */) { + var aliasedSymbol = typeChecker.getExportSpecifierLocalTargetSymbol(referenceLocation.parent); + if (searchSymbols.indexOf(aliasedSymbol) >= 0) { + return aliasedSymbol; + } + } + // If the reference location is in an object literal, try to get the contextual type for the + // object literal, lookup the property symbol in the contextual type, and use this symbol to + // compare to our searchSymbol + if (isNameOfPropertyAssignment(referenceLocation)) { + return ts.forEach(getPropertySymbolsFromContextualType(referenceLocation), function (contextualSymbol) { + return ts.forEach(typeChecker.getRootSymbols(contextualSymbol), function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + }); + } + // Unwrap symbols to get to the root (e.g. transient symbols as a result of widening) + // Or a union property, use its underlying unioned symbols + return ts.forEach(typeChecker.getRootSymbols(referenceSymbol), function (rootSymbol) { + // if it is in the list, then we are done + if (searchSymbols.indexOf(rootSymbol) >= 0) { + return rootSymbol; + } + // Finally, try all properties with the same name in any type the containing type extended or implemented, and + // see if any is in the list + if (rootSymbol.parent && rootSymbol.parent.flags & (32 /* Class */ | 64 /* Interface */)) { + var result_5 = []; + getPropertySymbolsFromBaseTypes(rootSymbol.parent, rootSymbol.getName(), result_5, /*previousIterationSymbolsCache*/ {}); + return ts.forEach(result_5, function (s) { return searchSymbols.indexOf(s) >= 0 ? s : undefined; }); + } + return undefined; + }); + } + function getPropertySymbolsFromContextualType(node) { + if (isNameOfPropertyAssignment(node)) { + var objectLiteral = node.parent.parent; + var contextualType = typeChecker.getContextualType(objectLiteral); + var name_37 = node.text; + if (contextualType) { + if (contextualType.flags & 16384 /* Union */) { + // This is a union type, first see if the property we are looking for is a union property (i.e. exists in all types) + // if not, search the constituent types for the property + var unionProperty = contextualType.getProperty(name_37); + if (unionProperty) { + return [unionProperty]; + } + else { + var result_6 = []; + ts.forEach(contextualType.types, function (t) { + var symbol = t.getProperty(name_37); + if (symbol) { + result_6.push(symbol); + } + }); + return result_6; + } + } + else { + var symbol_1 = contextualType.getProperty(name_37); + if (symbol_1) { + return [symbol_1]; + } + } + } + } + return undefined; + } + /** Given an initial searchMeaning, extracted from a location, widen the search scope based on the declarations + * of the corresponding symbol. e.g. if we are searching for "Foo" in value position, but "Foo" references a class + * then we need to widen the search to include type positions as well. + * On the contrary, if we are searching for "Bar" in type position and we trace bar to an interface, and an uninstantiated + * module, we want to keep the search limited to only types, as the two declarations (interface and uninstantiated module) + * do not intersect in any of the three spaces. + */ + function getIntersectingMeaningFromDeclarations(meaning, declarations) { + if (declarations) { + var lastIterationMeaning = void 0; + do { + // The result is order-sensitive, for instance if initialMeaning === Namespace, and declarations = [class, instantiated module] + // we need to consider both as they initialMeaning intersects with the module in the namespace space, and the module + // intersects with the class in the value space. + // To achieve that we will keep iterating until the result stabilizes. + // Remember the last meaning + lastIterationMeaning = meaning; + for (var _i = 0, declarations_9 = declarations; _i < declarations_9.length; _i++) { + var declaration = declarations_9[_i]; + var declarationMeaning = getMeaningFromDeclaration(declaration); + if (declarationMeaning & meaning) { + meaning |= declarationMeaning; + } + } + } while (meaning !== lastIterationMeaning); + } + return meaning; + } + } + function getReferenceEntryFromNode(node) { + var start = node.getStart(); + var end = node.getEnd(); + if (node.kind === 9 /* StringLiteral */) { + start += 1; + end -= 1; + } + return { + fileName: node.getSourceFile().fileName, + textSpan: ts.createTextSpanFromBounds(start, end), + isWriteAccess: isWriteAccess(node) + }; + } + /** A node is considered a writeAccess iff it is a name of a declaration or a target of an assignment */ + function isWriteAccess(node) { + if (node.kind === 69 /* Identifier */ && ts.isDeclarationName(node)) { + return true; + } + var parent = node.parent; + if (parent) { + if (parent.kind === 183 /* PostfixUnaryExpression */ || parent.kind === 182 /* PrefixUnaryExpression */) { + return true; + } + else if (parent.kind === 184 /* BinaryExpression */ && parent.left === node) { + var operator = parent.operatorToken.kind; + return 56 /* FirstAssignment */ <= operator && operator <= 68 /* LastAssignment */; + } + } + return false; + } + /// NavigateTo + function getNavigateToItems(searchValue, maxResultCount) { + synchronizeHostData(); + return ts.NavigateTo.getNavigateToItems(program, cancellationToken, searchValue, maxResultCount); + } + function getEmitOutput(fileName) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var outputFiles = []; + function writeFile(fileName, data, writeByteOrderMark) { + outputFiles.push({ + name: fileName, + writeByteOrderMark: writeByteOrderMark, + text: data + }); + } + var emitOutput = program.emit(sourceFile, writeFile, cancellationToken); + return { + outputFiles: outputFiles, + emitSkipped: emitOutput.emitSkipped + }; + } + function getMeaningFromDeclaration(node) { + switch (node.kind) { + case 139 /* Parameter */: + case 214 /* VariableDeclaration */: + case 166 /* BindingElement */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + case 248 /* PropertyAssignment */: + case 249 /* ShorthandPropertyAssignment */: + case 250 /* EnumMember */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 145 /* Constructor */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 216 /* FunctionDeclaration */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + case 247 /* CatchClause */: + return 1 /* Value */; + case 138 /* TypeParameter */: + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + case 156 /* TypeLiteral */: + return 2 /* Type */; + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + return 1 /* Value */ | 2 /* Type */; + case 221 /* ModuleDeclaration */: + if (ts.isAmbientModule(node)) { + return 4 /* Namespace */ | 1 /* Value */; + } + else if (ts.getModuleInstanceState(node) === 1 /* Instantiated */) { + return 4 /* Namespace */ | 1 /* Value */; + } + else { + return 4 /* Namespace */; + } + case 228 /* NamedImports */: + case 229 /* ImportSpecifier */: + case 224 /* ImportEqualsDeclaration */: + case 225 /* ImportDeclaration */: + case 230 /* ExportAssignment */: + case 231 /* ExportDeclaration */: + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + // An external module can be a Value + case 251 /* SourceFile */: + return 4 /* Namespace */ | 1 /* Value */; + } + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + function isTypeReference(node) { + if (ts.isRightSideOfQualifiedNameOrPropertyAccess(node)) { + node = node.parent; + } + return node.parent.kind === 152 /* TypeReference */ || + (node.parent.kind === 191 /* ExpressionWithTypeArguments */ && !ts.isExpressionWithTypeArgumentsInClassExtendsClause(node.parent)) || + (node.kind === 97 /* ThisKeyword */ && !ts.isExpression(node)) || + node.kind === 162 /* ThisType */; + } + function isNamespaceReference(node) { + return isQualifiedNameNamespaceReference(node) || isPropertyAccessNamespaceReference(node); + } + function isPropertyAccessNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 169 /* PropertyAccessExpression */) { + while (root.parent && root.parent.kind === 169 /* PropertyAccessExpression */) { + root = root.parent; + } + isLastClause = root.name === node; + } + if (!isLastClause && root.parent.kind === 191 /* ExpressionWithTypeArguments */ && root.parent.parent.kind === 246 /* HeritageClause */) { + var decl = root.parent.parent.parent; + return (decl.kind === 217 /* ClassDeclaration */ && root.parent.parent.token === 106 /* ImplementsKeyword */) || + (decl.kind === 218 /* InterfaceDeclaration */ && root.parent.parent.token === 83 /* ExtendsKeyword */); + } + return false; + } + function isQualifiedNameNamespaceReference(node) { + var root = node; + var isLastClause = true; + if (root.parent.kind === 136 /* QualifiedName */) { + while (root.parent && root.parent.kind === 136 /* QualifiedName */) { + root = root.parent; + } + isLastClause = root.right === node; + } + return root.parent.kind === 152 /* TypeReference */ && !isLastClause; + } + function isInRightSideOfImport(node) { + while (node.parent.kind === 136 /* QualifiedName */) { + node = node.parent; + } + return ts.isInternalModuleImportEqualsDeclaration(node.parent) && node.parent.moduleReference === node; + } + function getMeaningFromRightHandSideOfImportEquals(node) { + ts.Debug.assert(node.kind === 69 /* Identifier */); + // import a = |b|; // Namespace + // import a = |b.c|; // Value, type, namespace + // import a = |b.c|.d; // Namespace + if (node.parent.kind === 136 /* QualifiedName */ && + node.parent.right === node && + node.parent.parent.kind === 224 /* ImportEqualsDeclaration */) { + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + return 4 /* Namespace */; + } + function getMeaningFromLocation(node) { + if (node.parent.kind === 230 /* ExportAssignment */) { + return 1 /* Value */ | 2 /* Type */ | 4 /* Namespace */; + } + else if (isInRightSideOfImport(node)) { + return getMeaningFromRightHandSideOfImportEquals(node); + } + else if (ts.isDeclarationName(node)) { + return getMeaningFromDeclaration(node.parent); + } + else if (isTypeReference(node)) { + return 2 /* Type */; + } + else if (isNamespaceReference(node)) { + return 4 /* Namespace */; + } + else { + return 1 /* Value */; + } + } + // Signature help + /** + * This is a semantic operation. + */ + function getSignatureHelpItems(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + return ts.SignatureHelp.getSignatureHelpItems(program, sourceFile, position, cancellationToken); + } + /// Syntactic features + function getSourceFile(fileName) { + return syntaxTreeCache.getCurrentSourceFile(fileName); + } + function getNameOrDottedNameSpan(fileName, startPos, endPos) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Get node at the location + var node = ts.getTouchingPropertyName(sourceFile, startPos); + if (!node) { + return; + } + switch (node.kind) { + case 169 /* PropertyAccessExpression */: + case 136 /* QualifiedName */: + case 9 /* StringLiteral */: + case 163 /* StringLiteralType */: + case 84 /* FalseKeyword */: + case 99 /* TrueKeyword */: + case 93 /* NullKeyword */: + case 95 /* SuperKeyword */: + case 97 /* ThisKeyword */: + case 162 /* ThisType */: + case 69 /* Identifier */: + break; + // Cant create the text span + default: + return; + } + var nodeForStartPos = node; + while (true) { + if (isRightSideOfPropertyAccess(nodeForStartPos) || isRightSideOfQualifiedName(nodeForStartPos)) { + // If on the span is in right side of the the property or qualified name, return the span from the qualified name pos to end of this node + nodeForStartPos = nodeForStartPos.parent; + } + else if (isNameOfModuleDeclaration(nodeForStartPos)) { + // If this is name of a module declarations, check if this is right side of dotted module name + // If parent of the module declaration which is parent of this node is module declaration and its body is the module declaration that this node is name of + // Then this name is name from dotted module + if (nodeForStartPos.parent.parent.kind === 221 /* ModuleDeclaration */ && + nodeForStartPos.parent.parent.body === nodeForStartPos.parent) { + // Use parent module declarations name for start pos + nodeForStartPos = nodeForStartPos.parent.parent.name; + } + else { + // We have to use this name for start pos + break; + } + } + else { + // Is not a member expression so we have found the node for start pos + break; + } + } + return ts.createTextSpanFromBounds(nodeForStartPos.getStart(), node.getEnd()); + } + function getBreakpointStatementAtPosition(fileName, position) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.BreakpointResolver.spanInSourceFileAtLocation(sourceFile, position); + } + function getNavigationBarItems(fileName) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.NavigationBar.getNavigationBarItems(sourceFile, host.getCompilationSettings()); + } + function getSemanticClassifications(fileName, span) { + return convertClassifications(getEncodedSemanticClassifications(fileName, span)); + } + function checkForClassificationCancellation(kind) { + // We don't want to actually call back into our host on every node to find out if we've + // been canceled. That would be an enormous amount of chattyness, along with the all + // the overhead of marshalling the data to/from the host. So instead we pick a few + // reasonable node kinds to bother checking on. These node kinds represent high level + // constructs that we would expect to see commonly, but just at a far less frequent + // interval. + // + // For example, in checker.ts (around 750k) we only have around 600 of these constructs. + // That means we're calling back into the host around every 1.2k of the file we process. + // Lib.d.ts has similar numbers. + switch (kind) { + case 221 /* ModuleDeclaration */: + case 217 /* ClassDeclaration */: + case 218 /* InterfaceDeclaration */: + case 216 /* FunctionDeclaration */: + cancellationToken.throwIfCancellationRequested(); + } + } + function getEncodedSemanticClassifications(fileName, span) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var result = []; + var classifiableNames = program.getClassifiableNames(); + processNode(sourceFile); + return { spans: result, endOfLineState: 0 /* None */ }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifySymbol(symbol, meaningAtPosition) { + var flags = symbol.getFlags(); + if ((flags & 788448 /* Classifiable */) === 0 /* None */) { + return; + } + if (flags & 32 /* Class */) { + return 11 /* className */; + } + else if (flags & 384 /* Enum */) { + return 12 /* enumName */; + } + else if (flags & 524288 /* TypeAlias */) { + return 16 /* typeAliasName */; + } + else if (meaningAtPosition & 2 /* Type */) { + if (flags & 64 /* Interface */) { + return 13 /* interfaceName */; + } + else if (flags & 262144 /* TypeParameter */) { + return 15 /* typeParameterName */; + } + } + else if (flags & 1536 /* Module */) { + // Only classify a module as such if + // - It appears in a namespace context. + // - There exists a module declaration which actually impacts the value side. + if (meaningAtPosition & 4 /* Namespace */ || + (meaningAtPosition & 1 /* Value */ && hasValueSideModule(symbol))) { + return 14 /* moduleName */; + } + } + return undefined; + /** + * Returns true if there exists a module that introduces entities on the value side. + */ + function hasValueSideModule(symbol) { + return ts.forEach(symbol.declarations, function (declaration) { + return declaration.kind === 221 /* ModuleDeclaration */ && + ts.getModuleInstanceState(declaration) === 1 /* Instantiated */; + }); + } + } + function processNode(node) { + // Only walk into nodes that intersect the requested span. + if (node && ts.textSpanIntersectsWith(span, node.getFullStart(), node.getFullWidth())) { + var kind = node.kind; + checkForClassificationCancellation(kind); + if (kind === 69 /* Identifier */ && !ts.nodeIsMissing(node)) { + var identifier = node; + // Only bother calling into the typechecker if this is an identifier that + // could possibly resolve to a type name. This makes classification run + // in a third of the time it would normally take. + if (classifiableNames[identifier.text]) { + var symbol = typeChecker.getSymbolAtLocation(node); + if (symbol) { + var type = classifySymbol(symbol, getMeaningFromLocation(node)); + if (type) { + pushClassification(node.getStart(), node.getWidth(), type); + } + } + } + } + ts.forEachChild(node, processNode); + } + } + } + function getClassificationTypeName(type) { + switch (type) { + case 1 /* comment */: return ClassificationTypeNames.comment; + case 2 /* identifier */: return ClassificationTypeNames.identifier; + case 3 /* keyword */: return ClassificationTypeNames.keyword; + case 4 /* numericLiteral */: return ClassificationTypeNames.numericLiteral; + case 5 /* operator */: return ClassificationTypeNames.operator; + case 6 /* stringLiteral */: return ClassificationTypeNames.stringLiteral; + case 8 /* whiteSpace */: return ClassificationTypeNames.whiteSpace; + case 9 /* text */: return ClassificationTypeNames.text; + case 10 /* punctuation */: return ClassificationTypeNames.punctuation; + case 11 /* className */: return ClassificationTypeNames.className; + case 12 /* enumName */: return ClassificationTypeNames.enumName; + case 13 /* interfaceName */: return ClassificationTypeNames.interfaceName; + case 14 /* moduleName */: return ClassificationTypeNames.moduleName; + case 15 /* typeParameterName */: return ClassificationTypeNames.typeParameterName; + case 16 /* typeAliasName */: return ClassificationTypeNames.typeAliasName; + case 17 /* parameterName */: return ClassificationTypeNames.parameterName; + case 18 /* docCommentTagName */: return ClassificationTypeNames.docCommentTagName; + case 19 /* jsxOpenTagName */: return ClassificationTypeNames.jsxOpenTagName; + case 20 /* jsxCloseTagName */: return ClassificationTypeNames.jsxCloseTagName; + case 21 /* jsxSelfClosingTagName */: return ClassificationTypeNames.jsxSelfClosingTagName; + case 22 /* jsxAttribute */: return ClassificationTypeNames.jsxAttribute; + case 23 /* jsxText */: return ClassificationTypeNames.jsxText; + case 24 /* jsxAttributeStringLiteralValue */: return ClassificationTypeNames.jsxAttributeStringLiteralValue; + } + } + function convertClassifications(classifications) { + ts.Debug.assert(classifications.spans.length % 3 === 0); + var dense = classifications.spans; + var result = []; + for (var i = 0, n = dense.length; i < n; i += 3) { + result.push({ + textSpan: ts.createTextSpan(dense[i], dense[i + 1]), + classificationType: getClassificationTypeName(dense[i + 2]) + }); + } + return result; + } + function getSyntacticClassifications(fileName, span) { + return convertClassifications(getEncodedSyntacticClassifications(fileName, span)); + } + function getEncodedSyntacticClassifications(fileName, span) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var spanStart = span.start; + var spanLength = span.length; + // Make a scanner we can get trivia from. + var triviaScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var mergeConflictScanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false, sourceFile.languageVariant, sourceFile.text); + var result = []; + processElement(sourceFile); + return { spans: result, endOfLineState: 0 /* None */ }; + function pushClassification(start, length, type) { + result.push(start); + result.push(length); + result.push(type); + } + function classifyLeadingTriviaAndGetTokenStart(token) { + triviaScanner.setTextPos(token.pos); + while (true) { + var start = triviaScanner.getTextPos(); + // only bother scanning if we have something that could be trivia. + if (!ts.couldStartTrivia(sourceFile.text, start)) { + return start; + } + var kind = triviaScanner.scan(); + var end = triviaScanner.getTextPos(); + var width = end - start; + // The moment we get something that isn't trivia, then stop processing. + if (!ts.isTrivia(kind)) { + return start; + } + // Don't bother with newlines/whitespace. + if (kind === 4 /* NewLineTrivia */ || kind === 5 /* WhitespaceTrivia */) { + continue; + } + // Only bother with the trivia if it at least intersects the span of interest. + if (ts.isComment(kind)) { + classifyComment(token, kind, start, width); + // Classifying a comment might cause us to reuse the trivia scanner + // (because of jsdoc comments). So after we classify the comment make + // sure we set the scanner position back to where it needs to be. + triviaScanner.setTextPos(end); + continue; + } + if (kind === 7 /* ConflictMarkerTrivia */) { + var text = sourceFile.text; + var ch = text.charCodeAt(start); + // for the <<<<<<< and >>>>>>> markers, we just add them in as comments + // in the classification stream. + if (ch === 60 /* lessThan */ || ch === 62 /* greaterThan */) { + pushClassification(start, width, 1 /* comment */); + continue; + } + // for the ======== add a comment for the first line, and then lex all + // subsequent lines up until the end of the conflict marker. + ts.Debug.assert(ch === 61 /* equals */); + classifyDisabledMergeCode(text, start, end); + } + } + } + function classifyComment(token, kind, start, width) { + if (kind === 3 /* MultiLineCommentTrivia */) { + // See if this is a doc comment. If so, we'll classify certain portions of it + // specially. + var docCommentAndDiagnostics = ts.parseIsolatedJSDocComment(sourceFile.text, start, width); + if (docCommentAndDiagnostics && docCommentAndDiagnostics.jsDocComment) { + docCommentAndDiagnostics.jsDocComment.parent = token; + classifyJSDocComment(docCommentAndDiagnostics.jsDocComment); + return; + } + } + // Simple comment. Just add as is. + pushCommentRange(start, width); + } + function pushCommentRange(start, width) { + pushClassification(start, width, 1 /* comment */); + } + function classifyJSDocComment(docComment) { + var pos = docComment.pos; + for (var _i = 0, _a = docComment.tags; _i < _a.length; _i++) { + var tag = _a[_i]; + // As we walk through each tag, classify the portion of text from the end of + // the last tag (or the start of the entire doc comment) as 'comment'. + if (tag.pos !== pos) { + pushCommentRange(pos, tag.pos - pos); + } + pushClassification(tag.atToken.pos, tag.atToken.end - tag.atToken.pos, 10 /* punctuation */); + pushClassification(tag.tagName.pos, tag.tagName.end - tag.tagName.pos, 18 /* docCommentTagName */); + pos = tag.tagName.end; + switch (tag.kind) { + case 270 /* JSDocParameterTag */: + processJSDocParameterTag(tag); + break; + case 273 /* JSDocTemplateTag */: + processJSDocTemplateTag(tag); + break; + case 272 /* JSDocTypeTag */: + processElement(tag.typeExpression); + break; + case 271 /* JSDocReturnTag */: + processElement(tag.typeExpression); + break; + } + pos = tag.end; + } + if (pos !== docComment.end) { + pushCommentRange(pos, docComment.end - pos); + } + return; + function processJSDocParameterTag(tag) { + if (tag.preParameterName) { + pushCommentRange(pos, tag.preParameterName.pos - pos); + pushClassification(tag.preParameterName.pos, tag.preParameterName.end - tag.preParameterName.pos, 17 /* parameterName */); + pos = tag.preParameterName.end; + } + if (tag.typeExpression) { + pushCommentRange(pos, tag.typeExpression.pos - pos); + processElement(tag.typeExpression); + pos = tag.typeExpression.end; + } + if (tag.postParameterName) { + pushCommentRange(pos, tag.postParameterName.pos - pos); + pushClassification(tag.postParameterName.pos, tag.postParameterName.end - tag.postParameterName.pos, 17 /* parameterName */); + pos = tag.postParameterName.end; + } + } + } + function processJSDocTemplateTag(tag) { + for (var _i = 0, _a = tag.getChildren(); _i < _a.length; _i++) { + var child = _a[_i]; + processElement(child); + } + } + function classifyDisabledMergeCode(text, start, end) { + // Classify the line that the ======= marker is on as a comment. Then just lex + // all further tokens and add them to the result. + var i; + for (i = start; i < end; i++) { + if (ts.isLineBreak(text.charCodeAt(i))) { + break; + } + } + pushClassification(start, i - start, 1 /* comment */); + mergeConflictScanner.setTextPos(i); + while (mergeConflictScanner.getTextPos() < end) { + classifyDisabledCodeToken(); + } + } + function classifyDisabledCodeToken() { + var start = mergeConflictScanner.getTextPos(); + var tokenKind = mergeConflictScanner.scan(); + var end = mergeConflictScanner.getTextPos(); + var type = classifyTokenType(tokenKind); + if (type) { + pushClassification(start, end - start, type); + } + } + /** + * Returns true if node should be treated as classified and no further processing is required. + * False will mean that node is not classified and traverse routine should recurse into node contents. + */ + function tryClassifyNode(node) { + if (ts.nodeIsMissing(node)) { + return true; + } + var classifiedElementName = tryClassifyJsxElementName(node); + if (!ts.isToken(node) && node.kind !== 239 /* JsxText */ && classifiedElementName === undefined) { + return false; + } + var tokenStart = node.kind === 239 /* JsxText */ ? node.pos : classifyLeadingTriviaAndGetTokenStart(node); + var tokenWidth = node.end - tokenStart; + ts.Debug.assert(tokenWidth >= 0); + if (tokenWidth > 0) { + var type = classifiedElementName || classifyTokenType(node.kind, node); + if (type) { + pushClassification(tokenStart, tokenWidth, type); + } + } + return true; + } + function tryClassifyJsxElementName(token) { + switch (token.parent && token.parent.kind) { + case 238 /* JsxOpeningElement */: + if (token.parent.tagName === token) { + return 19 /* jsxOpenTagName */; + } + break; + case 240 /* JsxClosingElement */: + if (token.parent.tagName === token) { + return 20 /* jsxCloseTagName */; + } + break; + case 237 /* JsxSelfClosingElement */: + if (token.parent.tagName === token) { + return 21 /* jsxSelfClosingTagName */; + } + break; + case 241 /* JsxAttribute */: + if (token.parent.name === token) { + return 22 /* jsxAttribute */; + } + break; + } + return undefined; + } + // for accurate classification, the actual token should be passed in. however, for + // cases like 'disabled merge code' classification, we just get the token kind and + // classify based on that instead. + function classifyTokenType(tokenKind, token) { + if (ts.isKeyword(tokenKind)) { + return 3 /* keyword */; + } + // Special case < and > If they appear in a generic context they are punctuation, + // not operators. + if (tokenKind === 25 /* LessThanToken */ || tokenKind === 27 /* GreaterThanToken */) { + // If the node owning the token has a type argument list or type parameter list, then + // we can effectively assume that a '<' and '>' belong to those lists. + if (token && ts.getTypeArgumentOrTypeParameterList(token.parent)) { + return 10 /* punctuation */; + } + } + if (ts.isPunctuation(tokenKind)) { + if (token) { + if (tokenKind === 56 /* EqualsToken */) { + // the '=' in a variable declaration is special cased here. + if (token.parent.kind === 214 /* VariableDeclaration */ || + token.parent.kind === 142 /* PropertyDeclaration */ || + token.parent.kind === 139 /* Parameter */ || + token.parent.kind === 241 /* JsxAttribute */) { + return 5 /* operator */; + } + } + if (token.parent.kind === 184 /* BinaryExpression */ || + token.parent.kind === 182 /* PrefixUnaryExpression */ || + token.parent.kind === 183 /* PostfixUnaryExpression */ || + token.parent.kind === 185 /* ConditionalExpression */) { + return 5 /* operator */; + } + } + return 10 /* punctuation */; + } + else if (tokenKind === 8 /* NumericLiteral */) { + return 4 /* numericLiteral */; + } + else if (tokenKind === 9 /* StringLiteral */ || tokenKind === 163 /* StringLiteralType */) { + return token.parent.kind === 241 /* JsxAttribute */ ? 24 /* jsxAttributeStringLiteralValue */ : 6 /* stringLiteral */; + } + else if (tokenKind === 10 /* RegularExpressionLiteral */) { + // TODO: we should get another classification type for these literals. + return 6 /* stringLiteral */; + } + else if (ts.isTemplateLiteralKind(tokenKind)) { + // TODO (drosen): we should *also* get another classification type for these literals. + return 6 /* stringLiteral */; + } + else if (tokenKind === 239 /* JsxText */) { + return 23 /* jsxText */; + } + else if (tokenKind === 69 /* Identifier */) { + if (token) { + switch (token.parent.kind) { + case 217 /* ClassDeclaration */: + if (token.parent.name === token) { + return 11 /* className */; + } + return; + case 138 /* TypeParameter */: + if (token.parent.name === token) { + return 15 /* typeParameterName */; + } + return; + case 218 /* InterfaceDeclaration */: + if (token.parent.name === token) { + return 13 /* interfaceName */; + } + return; + case 220 /* EnumDeclaration */: + if (token.parent.name === token) { + return 12 /* enumName */; + } + return; + case 221 /* ModuleDeclaration */: + if (token.parent.name === token) { + return 14 /* moduleName */; + } + return; + case 139 /* Parameter */: + if (token.parent.name === token) { + return 17 /* parameterName */; + } + return; + } + } + return 2 /* identifier */; + } + } + function processElement(element) { + if (!element) { + return; + } + // Ignore nodes that don't intersect the original span to classify. + if (ts.decodedTextSpanIntersectsWith(spanStart, spanLength, element.pos, element.getFullWidth())) { + checkForClassificationCancellation(element.kind); + var children = element.getChildren(sourceFile); + for (var i = 0, n = children.length; i < n; i++) { + var child = children[i]; + if (!tryClassifyNode(child)) { + // Recurse into our child nodes. + processElement(child); + } + } + } + } + } + function getOutliningSpans(fileName) { + // doesn't use compiler - no need to synchronize with host + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.OutliningElementsCollector.collectElements(sourceFile); + } + function getBraceMatchingAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + var result = []; + var token = ts.getTouchingToken(sourceFile, position); + if (token.getStart(sourceFile) === position) { + var matchKind = getMatchingTokenKind(token); + // Ensure that there is a corresponding token to match ours. + if (matchKind) { + var parentElement = token.parent; + var childNodes = parentElement.getChildren(sourceFile); + for (var _i = 0, childNodes_1 = childNodes; _i < childNodes_1.length; _i++) { + var current = childNodes_1[_i]; + if (current.kind === matchKind) { + var range1 = ts.createTextSpan(token.getStart(sourceFile), token.getWidth(sourceFile)); + var range2 = ts.createTextSpan(current.getStart(sourceFile), current.getWidth(sourceFile)); + // We want to order the braces when we return the result. + if (range1.start < range2.start) { + result.push(range1, range2); + } + else { + result.push(range2, range1); + } + break; + } + } + } + } + return result; + function getMatchingTokenKind(token) { + switch (token.kind) { + case 15 /* OpenBraceToken */: return 16 /* CloseBraceToken */; + case 17 /* OpenParenToken */: return 18 /* CloseParenToken */; + case 19 /* OpenBracketToken */: return 20 /* CloseBracketToken */; + case 25 /* LessThanToken */: return 27 /* GreaterThanToken */; + case 16 /* CloseBraceToken */: return 15 /* OpenBraceToken */; + case 18 /* CloseParenToken */: return 17 /* OpenParenToken */; + case 20 /* CloseBracketToken */: return 19 /* OpenBracketToken */; + case 27 /* GreaterThanToken */: return 25 /* LessThanToken */; + } + return undefined; + } + } + function getIndentationAtPosition(fileName, position, editorOptions) { + var start = new Date().getTime(); + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + log("getIndentationAtPosition: getCurrentSourceFile: " + (new Date().getTime() - start)); + start = new Date().getTime(); + var result = ts.formatting.SmartIndenter.getIndentation(position, sourceFile, editorOptions); + log("getIndentationAtPosition: computeIndentation : " + (new Date().getTime() - start)); + return result; + } + function getFormattingEditsForRange(fileName, start, end, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatSelection(start, end, sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsForDocument(fileName, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + return ts.formatting.formatDocument(sourceFile, getRuleProvider(options), options); + } + function getFormattingEditsAfterKeystroke(fileName, position, key, options) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + if (key === "}") { + return ts.formatting.formatOnClosingCurly(position, sourceFile, getRuleProvider(options), options); + } + else if (key === ";") { + return ts.formatting.formatOnSemicolon(position, sourceFile, getRuleProvider(options), options); + } + else if (key === "\n") { + return ts.formatting.formatOnEnter(position, sourceFile, getRuleProvider(options), options); + } + return []; + } + /** + * Checks if position points to a valid position to add JSDoc comments, and if so, + * returns the appropriate template. Otherwise returns an empty string. + * Valid positions are + * - outside of comments, statements, and expressions, and + * - preceding a: + * - function/constructor/method declaration + * - class declarations + * - variable statements + * - namespace declarations + * + * Hosts should ideally check that: + * - The line is all whitespace up to 'position' before performing the insertion. + * - If the keystroke sequence "/\*\*" induced the call, we also check that the next + * non-whitespace character is '*', which (approximately) indicates whether we added + * the second '*' to complete an existing (JSDoc) comment. + * @param fileName The file in which to perform the check. + * @param position The (character-indexed) position in the file where the check should + * be performed. + */ + function getDocCommentTemplateAtPosition(fileName, position) { + var sourceFile = syntaxTreeCache.getCurrentSourceFile(fileName); + // Check if in a context where we don't want to perform any insertion + if (ts.isInString(sourceFile, position) || ts.isInComment(sourceFile, position) || ts.hasDocComment(sourceFile, position)) { + return undefined; + } + var tokenAtPos = ts.getTokenAtPosition(sourceFile, position); + var tokenStart = tokenAtPos.getStart(); + if (!tokenAtPos || tokenStart < position) { + return undefined; + } + // TODO: add support for: + // - enums/enum members + // - interfaces + // - property declarations + // - potentially property assignments + var commentOwner; + findOwner: for (commentOwner = tokenAtPos; commentOwner; commentOwner = commentOwner.parent) { + switch (commentOwner.kind) { + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 145 /* Constructor */: + case 217 /* ClassDeclaration */: + case 196 /* VariableStatement */: + break findOwner; + case 251 /* SourceFile */: + return undefined; + case 221 /* ModuleDeclaration */: + // If in walking up the tree, we hit a a nested namespace declaration, + // then we must be somewhere within a dotted namespace name; however we don't + // want to give back a JSDoc template for the 'b' or 'c' in 'namespace a.b.c { }'. + if (commentOwner.parent.kind === 221 /* ModuleDeclaration */) { + return undefined; + } + break findOwner; + } + } + if (!commentOwner || commentOwner.getStart() < position) { + return undefined; + } + var parameters = getParametersForJsDocOwningNode(commentOwner); + var posLineAndChar = sourceFile.getLineAndCharacterOfPosition(position); + var lineStart = sourceFile.getLineStarts()[posLineAndChar.line]; + var indentationStr = sourceFile.text.substr(lineStart, posLineAndChar.character); + var newLine = ts.getNewLineOrDefaultFromHost(host); + var docParams = ""; + for (var i = 0, numParams = parameters.length; i < numParams; i++) { + var currentName = parameters[i].name; + var paramName = currentName.kind === 69 /* Identifier */ ? + currentName.text : + "param" + i; + docParams += indentationStr + " * @param " + paramName + newLine; + } + // A doc comment consists of the following + // * The opening comment line + // * the first line (without a param) for the object's untagged info (this is also where the caret ends up) + // * the '@param'-tagged lines + // * TODO: other tags. + // * the closing comment line + // * if the caret was directly in front of the object, then we add an extra line and indentation. + var preamble = "/**" + newLine + + indentationStr + " * "; + var result = preamble + newLine + + docParams + + indentationStr + " */" + + (tokenStart === position ? newLine + indentationStr : ""); + return { newText: result, caretOffset: preamble.length }; + } + function getParametersForJsDocOwningNode(commentOwner) { + if (ts.isFunctionLike(commentOwner)) { + return commentOwner.parameters; + } + if (commentOwner.kind === 196 /* VariableStatement */) { + var varStatement = commentOwner; + var varDeclarations = varStatement.declarationList.declarations; + if (varDeclarations.length === 1 && varDeclarations[0].initializer) { + return getParametersFromRightHandSideOfAssignment(varDeclarations[0].initializer); + } + } + return emptyArray; + } + /** + * Digs into an an initializer or RHS operand of an assignment operation + * to get the parameters of an apt signature corresponding to a + * function expression or a class expression. + * + * @param rightHandSide the expression which may contain an appropriate set of parameters + * @returns the parameters of a signature found on the RHS if one exists; otherwise 'emptyArray'. + */ + function getParametersFromRightHandSideOfAssignment(rightHandSide) { + while (rightHandSide.kind === 175 /* ParenthesizedExpression */) { + rightHandSide = rightHandSide.expression; + } + switch (rightHandSide.kind) { + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return rightHandSide.parameters; + case 189 /* ClassExpression */: + for (var _i = 0, _a = rightHandSide.members; _i < _a.length; _i++) { + var member = _a[_i]; + if (member.kind === 145 /* Constructor */) { + return member.parameters; + } + } + break; + } + return emptyArray; + } + function getTodoComments(fileName, descriptors) { + // Note: while getting todo comments seems like a syntactic operation, we actually + // treat it as a semantic operation here. This is because we expect our host to call + // this on every single file. If we treat this syntactically, then that will cause + // us to populate and throw away the tree in our syntax tree cache for each file. By + // treating this as a semantic operation, we can access any tree without throwing + // anything away. + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + cancellationToken.throwIfCancellationRequested(); + var fileContents = sourceFile.text; + var result = []; + if (descriptors.length > 0) { + var regExp = getTodoCommentsRegExp(); + var matchArray = void 0; + while (matchArray = regExp.exec(fileContents)) { + cancellationToken.throwIfCancellationRequested(); + // If we got a match, here is what the match array will look like. Say the source text is: + // + // " // hack 1" + // + // The result array with the regexp: will be: + // + // ["// hack 1", "// ", "hack 1", undefined, "hack"] + // + // Here are the relevant capture groups: + // 0) The full match for the entire regexp. + // 1) The preamble to the message portion. + // 2) The message portion. + // 3...N) The descriptor that was matched - by index. 'undefined' for each + // descriptor that didn't match. an actual value if it did match. + // + // i.e. 'undefined' in position 3 above means TODO(jason) didn't match. + // "hack" in position 4 means HACK did match. + var firstDescriptorCaptureIndex = 3; + ts.Debug.assert(matchArray.length === descriptors.length + firstDescriptorCaptureIndex); + var preamble = matchArray[1]; + var matchPosition = matchArray.index + preamble.length; + // OK, we have found a match in the file. This is only an acceptable match if + // it is contained within a comment. + var token = ts.getTokenAtPosition(sourceFile, matchPosition); + if (!isInsideComment(sourceFile, token, matchPosition)) { + continue; + } + var descriptor = undefined; + for (var i = 0, n = descriptors.length; i < n; i++) { + if (matchArray[i + firstDescriptorCaptureIndex]) { + descriptor = descriptors[i]; + } + } + ts.Debug.assert(descriptor !== undefined); + // We don't want to match something like 'TODOBY', so we make sure a non + // letter/digit follows the match. + if (isLetterOrDigit(fileContents.charCodeAt(matchPosition + descriptor.text.length))) { + continue; + } + var message = matchArray[2]; + result.push({ + descriptor: descriptor, + message: message, + position: matchPosition + }); + } + } + return result; + function escapeRegExp(str) { + return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); + } + function getTodoCommentsRegExp() { + // NOTE: ?: means 'non-capture group'. It allows us to have groups without having to + // filter them out later in the final result array. + // TODO comments can appear in one of the following forms: + // + // 1) // TODO or /////////// TODO + // + // 2) /* TODO or /********** TODO + // + // 3) /* + // * TODO + // */ + // + // The following three regexps are used to match the start of the text up to the TODO + // comment portion. + var singleLineCommentStart = /(?:\/\/+\s*)/.source; + var multiLineCommentStart = /(?:\/\*+\s*)/.source; + var anyNumberOfSpacesAndAsterixesAtStartOfLine = /(?:^(?:\s|\*)*)/.source; + // Match any of the above three TODO comment start regexps. + // Note that the outermost group *is* a capture group. We want to capture the preamble + // so that we can determine the starting position of the TODO comment match. + var preamble = "(" + anyNumberOfSpacesAndAsterixesAtStartOfLine + "|" + singleLineCommentStart + "|" + multiLineCommentStart + ")"; + // Takes the descriptors and forms a regexp that matches them as if they were literals. + // For example, if the descriptors are "TODO(jason)" and "HACK", then this will be: + // + // (?:(TODO\(jason\))|(HACK)) + // + // Note that the outermost group is *not* a capture group, but the innermost groups + // *are* capture groups. By capturing the inner literals we can determine after + // matching which descriptor we are dealing with. + var literals = "(?:" + ts.map(descriptors, function (d) { return "(" + escapeRegExp(d.text) + ")"; }).join("|") + ")"; + // After matching a descriptor literal, the following regexp matches the rest of the + // text up to the end of the line (or */). + var endOfLineOrEndOfComment = /(?:$|\*\/)/.source; + var messageRemainder = /(?:.*?)/.source; + // This is the portion of the match we'll return as part of the TODO comment result. We + // match the literal portion up to the end of the line or end of comment. + var messagePortion = "(" + literals + messageRemainder + ")"; + var regExpString = preamble + messagePortion + endOfLineOrEndOfComment; + // The final regexp will look like this: + // /((?:\/\/+\s*)|(?:\/\*+\s*)|(?:^(?:\s|\*)*))((?:(TODO\(jason\))|(HACK))(?:.*?))(?:$|\*\/)/gim + // The flags of the regexp are important here. + // 'g' is so that we are doing a global search and can find matches several times + // in the input. + // + // 'i' is for case insensitivity (We do this to match C# TODO comment code). + // + // 'm' is so we can find matches in a multi-line input. + return new RegExp(regExpString, "gim"); + } + function isLetterOrDigit(char) { + return (char >= 97 /* a */ && char <= 122 /* z */) || + (char >= 65 /* A */ && char <= 90 /* Z */) || + (char >= 48 /* _0 */ && char <= 57 /* _9 */); + } + } + function getRenameInfo(fileName, position) { + synchronizeHostData(); + var sourceFile = getValidSourceFile(fileName); + var typeChecker = program.getTypeChecker(); + var node = ts.getTouchingWord(sourceFile, position); + // Can only rename an identifier. + if (node && node.kind === 69 /* Identifier */) { + var symbol = typeChecker.getSymbolAtLocation(node); + // Only allow a symbol to be renamed if it actually has at least one declaration. + if (symbol) { + var declarations = symbol.getDeclarations(); + if (declarations && declarations.length > 0) { + // Disallow rename for elements that are defined in the standard TypeScript library. + var defaultLibFileName = host.getDefaultLibFileName(host.getCompilationSettings()); + var canonicalDefaultLibName = getCanonicalFileName(ts.normalizePath(defaultLibFileName)); + if (defaultLibFileName) { + for (var _i = 0, declarations_10 = declarations; _i < declarations_10.length; _i++) { + var current = declarations_10[_i]; + var sourceFile_3 = current.getSourceFile(); + // TODO (drosen): When is there no source file? + if (!sourceFile_3) { + continue; + } + var canonicalName = getCanonicalFileName(ts.normalizePath(sourceFile_3.fileName)); + if (canonicalName === canonicalDefaultLibName) { + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_elements_that_are_defined_in_the_standard_TypeScript_library)); + } + } + } + var displayName = ts.stripQuotes(ts.getDeclaredName(typeChecker, symbol, node)); + var kind = getSymbolKind(symbol, node); + if (kind) { + return { + canRename: true, + kind: kind, + displayName: displayName, + localizedErrorMessage: undefined, + fullDisplayName: typeChecker.getFullyQualifiedName(symbol), + kindModifiers: getSymbolModifiers(symbol), + triggerSpan: ts.createTextSpan(node.getStart(), node.getWidth()) + }; + } + } + } + } + return getRenameInfoError(ts.getLocaleSpecificMessage(ts.Diagnostics.You_cannot_rename_this_element)); + function getRenameInfoError(localizedErrorMessage) { + return { + canRename: false, + localizedErrorMessage: localizedErrorMessage, + displayName: undefined, + fullDisplayName: undefined, + kind: undefined, + kindModifiers: undefined, + triggerSpan: undefined + }; + } + } + return { + dispose: dispose, + cleanupSemanticCache: cleanupSemanticCache, + getSyntacticDiagnostics: getSyntacticDiagnostics, + getSemanticDiagnostics: getSemanticDiagnostics, + getCompilerOptionsDiagnostics: getCompilerOptionsDiagnostics, + getSyntacticClassifications: getSyntacticClassifications, + getSemanticClassifications: getSemanticClassifications, + getEncodedSyntacticClassifications: getEncodedSyntacticClassifications, + getEncodedSemanticClassifications: getEncodedSemanticClassifications, + getCompletionsAtPosition: getCompletionsAtPosition, + getCompletionEntryDetails: getCompletionEntryDetails, + getSignatureHelpItems: getSignatureHelpItems, + getQuickInfoAtPosition: getQuickInfoAtPosition, + getDefinitionAtPosition: getDefinitionAtPosition, + getTypeDefinitionAtPosition: getTypeDefinitionAtPosition, + getReferencesAtPosition: getReferencesAtPosition, + findReferences: findReferences, + getOccurrencesAtPosition: getOccurrencesAtPosition, + getDocumentHighlights: getDocumentHighlights, + getNameOrDottedNameSpan: getNameOrDottedNameSpan, + getBreakpointStatementAtPosition: getBreakpointStatementAtPosition, + getNavigateToItems: getNavigateToItems, + getRenameInfo: getRenameInfo, + findRenameLocations: findRenameLocations, + getNavigationBarItems: getNavigationBarItems, + getOutliningSpans: getOutliningSpans, + getTodoComments: getTodoComments, + getBraceMatchingAtPosition: getBraceMatchingAtPosition, + getIndentationAtPosition: getIndentationAtPosition, + getFormattingEditsForRange: getFormattingEditsForRange, + getFormattingEditsForDocument: getFormattingEditsForDocument, + getFormattingEditsAfterKeystroke: getFormattingEditsAfterKeystroke, + getDocCommentTemplateAtPosition: getDocCommentTemplateAtPosition, + getEmitOutput: getEmitOutput, + getSourceFile: getSourceFile, + getProgram: getProgram + }; + } + ts.createLanguageService = createLanguageService; + /* @internal */ + function getNameTable(sourceFile) { + if (!sourceFile.nameTable) { + initializeNameTable(sourceFile); + } + return sourceFile.nameTable; + } + ts.getNameTable = getNameTable; + function initializeNameTable(sourceFile) { + var nameTable = {}; + walk(sourceFile); + sourceFile.nameTable = nameTable; + function walk(node) { + switch (node.kind) { + case 69 /* Identifier */: + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + break; + case 9 /* StringLiteral */: + case 8 /* NumericLiteral */: + // We want to store any numbers/strings if they were a name that could be + // related to a declaration. So, if we have 'import x = require("something")' + // then we want 'something' to be in the name table. Similarly, if we have + // "a['propname']" then we want to store "propname" in the name table. + if (ts.isDeclarationName(node) || + node.parent.kind === 235 /* ExternalModuleReference */ || + isArgumentOfElementAccessExpression(node)) { + nameTable[node.text] = nameTable[node.text] === undefined ? node.pos : -1; + } + break; + default: + ts.forEachChild(node, walk); + } + } + } + function isArgumentOfElementAccessExpression(node) { + return node && + node.parent && + node.parent.kind === 170 /* ElementAccessExpression */ && + node.parent.argumentExpression === node; + } + /// Classifier + function createClassifier() { + var scanner = ts.createScanner(2 /* Latest */, /*skipTrivia*/ false); + /// We do not have a full parser support to know when we should parse a regex or not + /// If we consider every slash token to be a regex, we could be missing cases like "1/2/3", where + /// we have a series of divide operator. this list allows us to be more accurate by ruling out + /// locations where a regexp cannot exist. + var noRegexTable = []; + noRegexTable[69 /* Identifier */] = true; + noRegexTable[9 /* StringLiteral */] = true; + noRegexTable[8 /* NumericLiteral */] = true; + noRegexTable[10 /* RegularExpressionLiteral */] = true; + noRegexTable[97 /* ThisKeyword */] = true; + noRegexTable[41 /* PlusPlusToken */] = true; + noRegexTable[42 /* MinusMinusToken */] = true; + noRegexTable[18 /* CloseParenToken */] = true; + noRegexTable[20 /* CloseBracketToken */] = true; + noRegexTable[16 /* CloseBraceToken */] = true; + noRegexTable[99 /* TrueKeyword */] = true; + noRegexTable[84 /* FalseKeyword */] = true; + // Just a stack of TemplateHeads and OpenCurlyBraces, used to perform rudimentary (inexact) + // classification on template strings. Because of the context free nature of templates, + // the only precise way to classify a template portion would be by propagating the stack across + // lines, just as we do with the end-of-line state. However, this is a burden for implementers, + // and the behavior is entirely subsumed by the syntactic classifier anyway, so we instead + // flatten any nesting when the template stack is non-empty and encode it in the end-of-line state. + // Situations in which this fails are + // 1) When template strings are nested across different lines: + // `hello ${ `world + // ` }` + // + // Where on the second line, you will get the closing of a template, + // a closing curly, and a new template. + // + // 2) When substitution expressions have curly braces and the curly brace falls on the next line: + // `hello ${ () => { + // return "world" } } ` + // + // Where on the second line, you will get the 'return' keyword, + // a string literal, and a template end consisting of '} } `'. + var templateStack = []; + /** Returns true if 'keyword2' can legally follow 'keyword1' in any language construct. */ + function canFollow(keyword1, keyword2) { + if (ts.isAccessibilityModifier(keyword1)) { + if (keyword2 === 123 /* GetKeyword */ || + keyword2 === 129 /* SetKeyword */ || + keyword2 === 121 /* ConstructorKeyword */ || + keyword2 === 113 /* StaticKeyword */) { + // Allow things like "public get", "public constructor" and "public static". + // These are all legal. + return true; + } + // Any other keyword following "public" is actually an identifier an not a real + // keyword. + return false; + } + // Assume any other keyword combination is legal. This can be refined in the future + // if there are more cases we want the classifier to be better at. + return true; + } + function convertClassifications(classifications, text) { + var entries = []; + var dense = classifications.spans; + var lastEnd = 0; + for (var i = 0, n = dense.length; i < n; i += 3) { + var start = dense[i]; + var length_3 = dense[i + 1]; + var type = dense[i + 2]; + // Make a whitespace entry between the last item and this one. + if (lastEnd >= 0) { + var whitespaceLength_1 = start - lastEnd; + if (whitespaceLength_1 > 0) { + entries.push({ length: whitespaceLength_1, classification: TokenClass.Whitespace }); + } + } + entries.push({ length: length_3, classification: convertClassification(type) }); + lastEnd = start + length_3; + } + var whitespaceLength = text.length - lastEnd; + if (whitespaceLength > 0) { + entries.push({ length: whitespaceLength, classification: TokenClass.Whitespace }); + } + return { entries: entries, finalLexState: classifications.endOfLineState }; + } + function convertClassification(type) { + switch (type) { + case 1 /* comment */: return TokenClass.Comment; + case 3 /* keyword */: return TokenClass.Keyword; + case 4 /* numericLiteral */: return TokenClass.NumberLiteral; + case 5 /* operator */: return TokenClass.Operator; + case 6 /* stringLiteral */: return TokenClass.StringLiteral; + case 8 /* whiteSpace */: return TokenClass.Whitespace; + case 10 /* punctuation */: return TokenClass.Punctuation; + case 2 /* identifier */: + case 11 /* className */: + case 12 /* enumName */: + case 13 /* interfaceName */: + case 14 /* moduleName */: + case 15 /* typeParameterName */: + case 16 /* typeAliasName */: + case 9 /* text */: + case 17 /* parameterName */: + default: + return TokenClass.Identifier; + } + } + function getClassificationsForLine(text, lexState, syntacticClassifierAbsent) { + return convertClassifications(getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent), text); + } + // If there is a syntactic classifier ('syntacticClassifierAbsent' is false), + // we will be more conservative in order to avoid conflicting with the syntactic classifier. + function getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent) { + var offset = 0; + var token = 0 /* Unknown */; + var lastNonTriviaToken = 0 /* Unknown */; + // Empty out the template stack for reuse. + while (templateStack.length > 0) { + templateStack.pop(); + } + // If we're in a string literal, then prepend: "\ + // (and a newline). That way when we lex we'll think we're still in a string literal. + // + // If we're in a multiline comment, then prepend: /* + // (and a newline). That way when we lex we'll think we're still in a multiline comment. + switch (lexState) { + case 3 /* InDoubleQuoteStringLiteral */: + text = "\"\\\n" + text; + offset = 3; + break; + case 2 /* InSingleQuoteStringLiteral */: + text = "'\\\n" + text; + offset = 3; + break; + case 1 /* InMultiLineCommentTrivia */: + text = "/*\n" + text; + offset = 3; + break; + case 4 /* InTemplateHeadOrNoSubstitutionTemplate */: + text = "`\n" + text; + offset = 2; + break; + case 5 /* InTemplateMiddleOrTail */: + text = "}\n" + text; + offset = 2; + // fallthrough + case 6 /* InTemplateSubstitutionPosition */: + templateStack.push(12 /* TemplateHead */); + break; + } + scanner.setText(text); + var result = { + endOfLineState: 0 /* None */, + spans: [] + }; + // We can run into an unfortunate interaction between the lexical and syntactic classifier + // when the user is typing something generic. Consider the case where the user types: + // + // Foo tokens. It's a weak heuristic, but should + // work well enough in practice. + var angleBracketStack = 0; + do { + token = scanner.scan(); + if (!ts.isTrivia(token)) { + if ((token === 39 /* SlashToken */ || token === 61 /* SlashEqualsToken */) && !noRegexTable[lastNonTriviaToken]) { + if (scanner.reScanSlashToken() === 10 /* RegularExpressionLiteral */) { + token = 10 /* RegularExpressionLiteral */; + } + } + else if (lastNonTriviaToken === 21 /* DotToken */ && isKeyword(token)) { + token = 69 /* Identifier */; + } + else if (isKeyword(lastNonTriviaToken) && isKeyword(token) && !canFollow(lastNonTriviaToken, token)) { + // We have two keywords in a row. Only treat the second as a keyword if + // it's a sequence that could legally occur in the language. Otherwise + // treat it as an identifier. This way, if someone writes "private var" + // we recognize that 'var' is actually an identifier here. + token = 69 /* Identifier */; + } + else if (lastNonTriviaToken === 69 /* Identifier */ && + token === 25 /* LessThanToken */) { + // Could be the start of something generic. Keep track of that by bumping + // up the current count of generic contexts we may be in. + angleBracketStack++; + } + else if (token === 27 /* GreaterThanToken */ && angleBracketStack > 0) { + // If we think we're currently in something generic, then mark that that + // generic entity is complete. + angleBracketStack--; + } + else if (token === 117 /* AnyKeyword */ || + token === 130 /* StringKeyword */ || + token === 128 /* NumberKeyword */ || + token === 120 /* BooleanKeyword */ || + token === 131 /* SymbolKeyword */) { + if (angleBracketStack > 0 && !syntacticClassifierAbsent) { + // If it looks like we're could be in something generic, don't classify this + // as a keyword. We may just get overwritten by the syntactic classifier, + // causing a noisy experience for the user. + token = 69 /* Identifier */; + } + } + else if (token === 12 /* TemplateHead */) { + templateStack.push(token); + } + else if (token === 15 /* OpenBraceToken */) { + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + templateStack.push(token); + } + } + else if (token === 16 /* CloseBraceToken */) { + // If we don't have anything on the template stack, + // then we aren't trying to keep track of a previously scanned template head. + if (templateStack.length > 0) { + var lastTemplateStackToken = ts.lastOrUndefined(templateStack); + if (lastTemplateStackToken === 12 /* TemplateHead */) { + token = scanner.reScanTemplateToken(); + // Only pop on a TemplateTail; a TemplateMiddle indicates there is more for us. + if (token === 14 /* TemplateTail */) { + templateStack.pop(); + } + else { + ts.Debug.assert(token === 13 /* TemplateMiddle */, "Should have been a template middle. Was " + token); + } + } + else { + ts.Debug.assert(lastTemplateStackToken === 15 /* OpenBraceToken */, "Should have been an open brace. Was: " + token); + templateStack.pop(); + } + } + } + lastNonTriviaToken = token; + } + processToken(); + } while (token !== 1 /* EndOfFileToken */); + return result; + function processToken() { + var start = scanner.getTokenPos(); + var end = scanner.getTextPos(); + addResult(start, end, classFromKind(token)); + if (end >= text.length) { + if (token === 9 /* StringLiteral */ || token === 163 /* StringLiteralType */) { + // Check to see if we finished up on a multiline string literal. + var tokenText = scanner.getTokenText(); + if (scanner.isUnterminated()) { + var lastCharIndex = tokenText.length - 1; + var numBackslashes = 0; + while (tokenText.charCodeAt(lastCharIndex - numBackslashes) === 92 /* backslash */) { + numBackslashes++; + } + // If we have an odd number of backslashes, then the multiline string is unclosed + if (numBackslashes & 1) { + var quoteChar = tokenText.charCodeAt(0); + result.endOfLineState = quoteChar === 34 /* doubleQuote */ + ? 3 /* InDoubleQuoteStringLiteral */ + : 2 /* InSingleQuoteStringLiteral */; + } + } + } + else if (token === 3 /* MultiLineCommentTrivia */) { + // Check to see if the multiline comment was unclosed. + if (scanner.isUnterminated()) { + result.endOfLineState = 1 /* InMultiLineCommentTrivia */; + } + } + else if (ts.isTemplateLiteralKind(token)) { + if (scanner.isUnterminated()) { + if (token === 14 /* TemplateTail */) { + result.endOfLineState = 5 /* InTemplateMiddleOrTail */; + } + else if (token === 11 /* NoSubstitutionTemplateLiteral */) { + result.endOfLineState = 4 /* InTemplateHeadOrNoSubstitutionTemplate */; + } + else { + ts.Debug.fail("Only 'NoSubstitutionTemplateLiteral's and 'TemplateTail's can be unterminated; got SyntaxKind #" + token); + } + } + } + else if (templateStack.length > 0 && ts.lastOrUndefined(templateStack) === 12 /* TemplateHead */) { + result.endOfLineState = 6 /* InTemplateSubstitutionPosition */; + } + } + } + function addResult(start, end, classification) { + if (classification === 8 /* whiteSpace */) { + // Don't bother with whitespace classifications. They're not needed. + return; + } + if (start === 0 && offset > 0) { + // We're classifying the first token, and this was a case where we prepended + // text. We should consider the start of this token to be at the start of + // the original text. + start += offset; + } + // All our tokens are in relation to the augmented text. Move them back to be + // relative to the original text. + start -= offset; + end -= offset; + var length = end - start; + if (length > 0) { + result.spans.push(start); + result.spans.push(length); + result.spans.push(classification); + } + } + } + function isBinaryExpressionOperatorToken(token) { + switch (token) { + case 37 /* AsteriskToken */: + case 39 /* SlashToken */: + case 40 /* PercentToken */: + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 43 /* LessThanLessThanToken */: + case 44 /* GreaterThanGreaterThanToken */: + case 45 /* GreaterThanGreaterThanGreaterThanToken */: + case 25 /* LessThanToken */: + case 27 /* GreaterThanToken */: + case 28 /* LessThanEqualsToken */: + case 29 /* GreaterThanEqualsToken */: + case 91 /* InstanceOfKeyword */: + case 90 /* InKeyword */: + case 116 /* AsKeyword */: + case 30 /* EqualsEqualsToken */: + case 31 /* ExclamationEqualsToken */: + case 32 /* EqualsEqualsEqualsToken */: + case 33 /* ExclamationEqualsEqualsToken */: + case 46 /* AmpersandToken */: + case 48 /* CaretToken */: + case 47 /* BarToken */: + case 51 /* AmpersandAmpersandToken */: + case 52 /* BarBarToken */: + case 67 /* BarEqualsToken */: + case 66 /* AmpersandEqualsToken */: + case 68 /* CaretEqualsToken */: + case 63 /* LessThanLessThanEqualsToken */: + case 64 /* GreaterThanGreaterThanEqualsToken */: + case 65 /* GreaterThanGreaterThanGreaterThanEqualsToken */: + case 57 /* PlusEqualsToken */: + case 58 /* MinusEqualsToken */: + case 59 /* AsteriskEqualsToken */: + case 61 /* SlashEqualsToken */: + case 62 /* PercentEqualsToken */: + case 56 /* EqualsToken */: + case 24 /* CommaToken */: + return true; + default: + return false; + } + } + function isPrefixUnaryExpressionOperatorToken(token) { + switch (token) { + case 35 /* PlusToken */: + case 36 /* MinusToken */: + case 50 /* TildeToken */: + case 49 /* ExclamationToken */: + case 41 /* PlusPlusToken */: + case 42 /* MinusMinusToken */: + return true; + default: + return false; + } + } + function isKeyword(token) { + return token >= 70 /* FirstKeyword */ && token <= 135 /* LastKeyword */; + } + function classFromKind(token) { + if (isKeyword(token)) { + return 3 /* keyword */; + } + else if (isBinaryExpressionOperatorToken(token) || isPrefixUnaryExpressionOperatorToken(token)) { + return 5 /* operator */; + } + else if (token >= 15 /* FirstPunctuation */ && token <= 68 /* LastPunctuation */) { + return 10 /* punctuation */; + } + switch (token) { + case 8 /* NumericLiteral */: + return 4 /* numericLiteral */; + case 9 /* StringLiteral */: + case 163 /* StringLiteralType */: + return 6 /* stringLiteral */; + case 10 /* RegularExpressionLiteral */: + return 7 /* regularExpressionLiteral */; + case 7 /* ConflictMarkerTrivia */: + case 3 /* MultiLineCommentTrivia */: + case 2 /* SingleLineCommentTrivia */: + return 1 /* comment */; + case 5 /* WhitespaceTrivia */: + case 4 /* NewLineTrivia */: + return 8 /* whiteSpace */; + case 69 /* Identifier */: + default: + if (ts.isTemplateLiteralKind(token)) { + return 6 /* stringLiteral */; + } + return 2 /* identifier */; + } + } + return { + getClassificationsForLine: getClassificationsForLine, + getEncodedLexicalClassifications: getEncodedLexicalClassifications + }; + } + ts.createClassifier = createClassifier; + /** + * Get the path of the default library files (lib.d.ts) as distributed with the typescript + * node package. + * The functionality is not supported if the ts module is consumed outside of a node module. + */ + function getDefaultLibFilePath(options) { + // Check __dirname is defined and that we are on a node.js system. + if (typeof __dirname !== "undefined") { + return __dirname + ts.directorySeparator + ts.getDefaultLibFileName(options); + } + throw new Error("getDefaultLibFilePath is only supported when consumed as a node module. "); + } + ts.getDefaultLibFilePath = getDefaultLibFilePath; + function initializeServices() { + ts.objectAllocator = { + getNodeConstructor: function () { return NodeObject; }, + getSourceFileConstructor: function () { return SourceFileObject; }, + getSymbolConstructor: function () { return SymbolObject; }, + getTypeConstructor: function () { return TypeObject; }, + getSignatureConstructor: function () { return SignatureObject; } + }; + } + initializeServices(); +})(ts || (ts = {})); +// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0. +// See LICENSE.txt in the project root for complete license information. +/// +/* @internal */ +var ts; +(function (ts) { + var BreakpointResolver; + (function (BreakpointResolver) { + /** + * Get the breakpoint span in given sourceFile + */ + function spanInSourceFileAtLocation(sourceFile, position) { + // Cannot set breakpoint in dts file + if (sourceFile.flags & 4096 /* DeclarationFile */) { + return undefined; + } + var tokenAtLocation = ts.getTokenAtPosition(sourceFile, position); + var lineOfPosition = sourceFile.getLineAndCharacterOfPosition(position).line; + if (sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getStart(sourceFile)).line > lineOfPosition) { + // Get previous token if the token is returned starts on new line + // eg: let x =10; |--- cursor is here + // let y = 10; + // token at position will return let keyword on second line as the token but we would like to use + // token on same line if trailing trivia (comments or white spaces on same line) part of the last token on that line + tokenAtLocation = ts.findPrecedingToken(tokenAtLocation.pos, sourceFile); + // Its a blank line + if (!tokenAtLocation || sourceFile.getLineAndCharacterOfPosition(tokenAtLocation.getEnd()).line !== lineOfPosition) { + return undefined; + } + } + // Cannot set breakpoint in ambient declarations + if (ts.isInAmbientContext(tokenAtLocation)) { + return undefined; + } + // Get the span in the node based on its syntax + return spanInNode(tokenAtLocation); + function textSpan(startNode, endNode) { + var start = startNode.decorators ? + ts.skipTrivia(sourceFile.text, startNode.decorators.end) : + startNode.getStart(sourceFile); + return ts.createTextSpanFromBounds(start, (endNode || startNode).getEnd()); + } + function textSpanEndingAtNextToken(startNode, previousTokenToFindNextEndToken) { + return textSpan(startNode, ts.findNextToken(previousTokenToFindNextEndToken, previousTokenToFindNextEndToken.parent)); + } + function spanInNodeIfStartsOnSameLine(node, otherwiseOnNode) { + if (node && lineOfPosition === sourceFile.getLineAndCharacterOfPosition(node.getStart(sourceFile)).line) { + return spanInNode(node); + } + return spanInNode(otherwiseOnNode); + } + function spanInNodeArray(nodeArray) { + return ts.createTextSpanFromBounds(ts.skipTrivia(sourceFile.text, nodeArray.pos), nodeArray.end); + } + function spanInPreviousNode(node) { + return spanInNode(ts.findPrecedingToken(node.pos, sourceFile)); + } + function spanInNextNode(node) { + return spanInNode(ts.findNextToken(node, node.parent)); + } + function spanInNode(node) { + if (node) { + switch (node.kind) { + case 196 /* VariableStatement */: + // Span on first variable declaration + return spanInVariableDeclaration(node.declarationList.declarations[0]); + case 214 /* VariableDeclaration */: + case 142 /* PropertyDeclaration */: + case 141 /* PropertySignature */: + return spanInVariableDeclaration(node); + case 139 /* Parameter */: + return spanInParameterDeclaration(node); + case 216 /* FunctionDeclaration */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 176 /* FunctionExpression */: + case 177 /* ArrowFunction */: + return spanInFunctionDeclaration(node); + case 195 /* Block */: + if (ts.isFunctionBlock(node)) { + return spanInFunctionBlock(node); + } + // Fall through + case 222 /* ModuleBlock */: + return spanInBlock(node); + case 247 /* CatchClause */: + return spanInBlock(node.block); + case 198 /* ExpressionStatement */: + // span on the expression + return textSpan(node.expression); + case 207 /* ReturnStatement */: + // span on return keyword and expression if present + return textSpan(node.getChildAt(0), node.expression); + case 201 /* WhileStatement */: + // Span on while(...) + return textSpanEndingAtNextToken(node, node.expression); + case 200 /* DoStatement */: + // span in statement of the do statement + return spanInNode(node.statement); + case 213 /* DebuggerStatement */: + // span on debugger keyword + return textSpan(node.getChildAt(0)); + case 199 /* IfStatement */: + // set on if(..) span + return textSpanEndingAtNextToken(node, node.expression); + case 210 /* LabeledStatement */: + // span in statement + return spanInNode(node.statement); + case 206 /* BreakStatement */: + case 205 /* ContinueStatement */: + // On break or continue keyword and label if present + return textSpan(node.getChildAt(0), node.label); + case 202 /* ForStatement */: + return spanInForStatement(node); + case 203 /* ForInStatement */: + // span of for (a in ...) + return textSpanEndingAtNextToken(node, node.expression); + case 204 /* ForOfStatement */: + // span in initializer + return spanInInitializerOfForLike(node); + case 209 /* SwitchStatement */: + // span on switch(...) + return textSpanEndingAtNextToken(node, node.expression); + case 244 /* CaseClause */: + case 245 /* DefaultClause */: + // span in first statement of the clause + return spanInNode(node.statements[0]); + case 212 /* TryStatement */: + // span in try block + return spanInBlock(node.tryBlock); + case 211 /* ThrowStatement */: + // span in throw ... + return textSpan(node, node.expression); + case 230 /* ExportAssignment */: + // span on export = id + return textSpan(node, node.expression); + case 224 /* ImportEqualsDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleReference); + case 225 /* ImportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 231 /* ExportDeclaration */: + // import statement without including semicolon + return textSpan(node, node.moduleSpecifier); + case 221 /* ModuleDeclaration */: + // span on complete module if it is instantiated + if (ts.getModuleInstanceState(node) !== 1 /* Instantiated */) { + return undefined; + } + case 217 /* ClassDeclaration */: + case 220 /* EnumDeclaration */: + case 250 /* EnumMember */: + case 166 /* BindingElement */: + // span on complete node + return textSpan(node); + case 208 /* WithStatement */: + // span in statement + return spanInNode(node.statement); + case 140 /* Decorator */: + return spanInNodeArray(node.parent.decorators); + case 164 /* ObjectBindingPattern */: + case 165 /* ArrayBindingPattern */: + return spanInBindingPattern(node); + // No breakpoint in interface, type alias + case 218 /* InterfaceDeclaration */: + case 219 /* TypeAliasDeclaration */: + return undefined; + // Tokens: + case 23 /* SemicolonToken */: + case 1 /* EndOfFileToken */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile)); + case 24 /* CommaToken */: + return spanInPreviousNode(node); + case 15 /* OpenBraceToken */: + return spanInOpenBraceToken(node); + case 16 /* CloseBraceToken */: + return spanInCloseBraceToken(node); + case 20 /* CloseBracketToken */: + return spanInCloseBracketToken(node); + case 17 /* OpenParenToken */: + return spanInOpenParenToken(node); + case 18 /* CloseParenToken */: + return spanInCloseParenToken(node); + case 54 /* ColonToken */: + return spanInColonToken(node); + case 27 /* GreaterThanToken */: + case 25 /* LessThanToken */: + return spanInGreaterThanOrLessThanToken(node); + // Keywords: + case 104 /* WhileKeyword */: + return spanInWhileKeyword(node); + case 80 /* ElseKeyword */: + case 72 /* CatchKeyword */: + case 85 /* FinallyKeyword */: + return spanInNextNode(node); + case 135 /* OfKeyword */: + return spanInOfKeyword(node); + default: + // Destructuring pattern in destructuring assignment + // [a, b, c] of + // [a, b, c] = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(node); + } + // Set breakpoint on identifier element of destructuring pattern + // a or ...c or d: x from + // [a, b, ...c] or { a, b } or { d: x } from destructuring pattern + if ((node.kind === 69 /* Identifier */ || + node.kind == 188 /* SpreadElementExpression */ || + node.kind === 248 /* PropertyAssignment */ || + node.kind === 249 /* ShorthandPropertyAssignment */) && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + return textSpan(node); + } + if (node.kind === 184 /* BinaryExpression */) { + var binaryExpression = node; + // Set breakpoint in destructuring pattern if its destructuring assignment + // [a, b, c] or {a, b, c} of + // [a, b, c] = expression or + // {a, b, c} = expression + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left)) { + return spanInArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left); + } + if (binaryExpression.operatorToken.kind === 56 /* EqualsToken */ && + ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.parent)) { + // Set breakpoint on assignment expression element of destructuring pattern + // a = expression of + // [a = expression, b, c] = someExpression or + // { a = expression, b, c } = someExpression + return textSpan(node); + } + if (binaryExpression.operatorToken.kind === 24 /* CommaToken */) { + return spanInNode(binaryExpression.left); + } + } + if (ts.isExpression(node)) { + switch (node.parent.kind) { + case 200 /* DoStatement */: + // Set span as if on while keyword + return spanInPreviousNode(node); + case 140 /* Decorator */: + // Set breakpoint on the decorator emit + return spanInNode(node.parent); + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + return textSpan(node); + case 184 /* BinaryExpression */: + if (node.parent.operatorToken.kind === 24 /* CommaToken */) { + // if this is comma expression, the breakpoint is possible in this expression + return textSpan(node); + } + break; + case 177 /* ArrowFunction */: + if (node.parent.body === node) { + // If this is body of arrow function, it is allowed to have the breakpoint + return textSpan(node); + } + break; + } + } + // If this is name of property assignment, set breakpoint in the initializer + if (node.parent.kind === 248 /* PropertyAssignment */ && + node.parent.name === node && + !ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent.parent)) { + return spanInNode(node.parent.initializer); + } + // Breakpoint in type assertion goes to its operand + if (node.parent.kind === 174 /* TypeAssertionExpression */ && node.parent.type === node) { + return spanInNextNode(node.parent.type); + } + // return type of function go to previous token + if (ts.isFunctionLike(node.parent) && node.parent.type === node) { + return spanInPreviousNode(node); + } + // initializer of variable/parameter declaration go to previous node + if ((node.parent.kind === 214 /* VariableDeclaration */ || + node.parent.kind === 139 /* Parameter */)) { + var paramOrVarDecl = node.parent; + if (paramOrVarDecl.initializer === node || + paramOrVarDecl.type === node || + ts.isAssignmentOperator(node.kind)) { + return spanInPreviousNode(node); + } + } + if (node.parent.kind === 184 /* BinaryExpression */) { + var binaryExpression = node.parent; + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(binaryExpression.left) && + (binaryExpression.right === node || + binaryExpression.operatorToken === node)) { + // If initializer of destructuring assignment move to previous token + return spanInPreviousNode(node); + } + } + // Default go to parent to set the breakpoint + return spanInNode(node.parent); + } + } + function textSpanFromVariableDeclaration(variableDeclaration) { + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] === variableDeclaration) { + // First declaration - include let keyword + return textSpan(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent), variableDeclaration); + } + else { + // Span only on this declaration + return textSpan(variableDeclaration); + } + } + function spanInVariableDeclaration(variableDeclaration) { + // If declaration of for in statement, just set the span in parent + if (variableDeclaration.parent.parent.kind === 203 /* ForInStatement */) { + return spanInNode(variableDeclaration.parent.parent); + } + // If this is a destructuring pattern set breakpoint in binding pattern + if (ts.isBindingPattern(variableDeclaration.name)) { + return spanInBindingPattern(variableDeclaration.name); + } + // Breakpoint is possible in variableDeclaration only if there is initialization + // or its declaration from 'for of' + if (variableDeclaration.initializer || + (variableDeclaration.flags & 2 /* Export */) || + variableDeclaration.parent.parent.kind === 204 /* ForOfStatement */) { + return textSpanFromVariableDeclaration(variableDeclaration); + } + var declarations = variableDeclaration.parent.declarations; + if (declarations && declarations[0] !== variableDeclaration) { + // If we cant set breakpoint on this declaration, set it on previous one + // Because the variable declaration may be binding pattern and + // we would like to set breakpoint in last binding element if thats the case, + // use preceding token instead + return spanInNode(ts.findPrecedingToken(variableDeclaration.pos, sourceFile, variableDeclaration.parent)); + } + } + function canHaveSpanInParameterDeclaration(parameter) { + // Breakpoint is possible on parameter only if it has initializer, is a rest parameter, or has public or private modifier + return !!parameter.initializer || parameter.dotDotDotToken !== undefined || + !!(parameter.flags & 8 /* Public */) || !!(parameter.flags & 16 /* Private */); + } + function spanInParameterDeclaration(parameter) { + if (ts.isBindingPattern(parameter.name)) { + // set breakpoint in binding pattern + return spanInBindingPattern(parameter.name); + } + else if (canHaveSpanInParameterDeclaration(parameter)) { + return textSpan(parameter); + } + else { + var functionDeclaration = parameter.parent; + var indexOfParameter = ts.indexOf(functionDeclaration.parameters, parameter); + if (indexOfParameter) { + // Not a first parameter, go to previous parameter + return spanInParameterDeclaration(functionDeclaration.parameters[indexOfParameter - 1]); + } + else { + // Set breakpoint in the function declaration body + return spanInNode(functionDeclaration.body); + } + } + } + function canFunctionHaveSpanInWholeDeclaration(functionDeclaration) { + return !!(functionDeclaration.flags & 2 /* Export */) || + (functionDeclaration.parent.kind === 217 /* ClassDeclaration */ && functionDeclaration.kind !== 145 /* Constructor */); + } + function spanInFunctionDeclaration(functionDeclaration) { + // No breakpoints in the function signature + if (!functionDeclaration.body) { + return undefined; + } + if (canFunctionHaveSpanInWholeDeclaration(functionDeclaration)) { + // Set the span on whole function declaration + return textSpan(functionDeclaration); + } + // Set span in function body + return spanInNode(functionDeclaration.body); + } + function spanInFunctionBlock(block) { + var nodeForSpanInBlock = block.statements.length ? block.statements[0] : block.getLastToken(); + if (canFunctionHaveSpanInWholeDeclaration(block.parent)) { + return spanInNodeIfStartsOnSameLine(block.parent, nodeForSpanInBlock); + } + return spanInNode(nodeForSpanInBlock); + } + function spanInBlock(block) { + switch (block.parent.kind) { + case 221 /* ModuleDeclaration */: + if (ts.getModuleInstanceState(block.parent) !== 1 /* Instantiated */) { + return undefined; + } + // Set on parent if on same line otherwise on first statement + case 201 /* WhileStatement */: + case 199 /* IfStatement */: + case 203 /* ForInStatement */: + return spanInNodeIfStartsOnSameLine(block.parent, block.statements[0]); + // Set span on previous token if it starts on same line otherwise on the first statement of the block + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(block.pos, sourceFile, block.parent), block.statements[0]); + } + // Default action is to set on first statement + return spanInNode(block.statements[0]); + } + function spanInInitializerOfForLike(forLikeStaement) { + if (forLikeStaement.initializer.kind === 215 /* VariableDeclarationList */) { + // declaration list, set breakpoint in first declaration + var variableDeclarationList = forLikeStaement.initializer; + if (variableDeclarationList.declarations.length > 0) { + return spanInNode(variableDeclarationList.declarations[0]); + } + } + else { + // Expression - set breakpoint in it + return spanInNode(forLikeStaement.initializer); + } + } + function spanInForStatement(forStatement) { + if (forStatement.initializer) { + return spanInInitializerOfForLike(forStatement); + } + if (forStatement.condition) { + return textSpan(forStatement.condition); + } + if (forStatement.incrementor) { + return textSpan(forStatement.incrementor); + } + } + function spanInBindingPattern(bindingPattern) { + // Set breakpoint in first binding element + var firstBindingElement = ts.forEach(bindingPattern.elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Empty binding pattern of binding element, set breakpoint on binding element + if (bindingPattern.parent.kind === 166 /* BindingElement */) { + return textSpan(bindingPattern.parent); + } + // Variable declaration is used as the span + return textSpanFromVariableDeclaration(bindingPattern.parent); + } + function spanInArrayLiteralOrObjectLiteralDestructuringPattern(node) { + ts.Debug.assert(node.kind !== 165 /* ArrayBindingPattern */ && node.kind !== 164 /* ObjectBindingPattern */); + var elements = node.kind === 167 /* ArrayLiteralExpression */ ? + node.elements : + node.properties; + var firstBindingElement = ts.forEach(elements, function (element) { return element.kind !== 190 /* OmittedExpression */ ? element : undefined; }); + if (firstBindingElement) { + return spanInNode(firstBindingElement); + } + // Could be ArrayLiteral from destructuring assignment or + // just nested element in another destructuring assignment + // set breakpoint on assignment when parent is destructuring assignment + // Otherwise set breakpoint for this element + return textSpan(node.parent.kind === 184 /* BinaryExpression */ ? node.parent : node); + } + // Tokens: + function spanInOpenBraceToken(node) { + switch (node.parent.kind) { + case 220 /* EnumDeclaration */: + var enumDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), enumDeclaration.members.length ? enumDeclaration.members[0] : enumDeclaration.getLastToken(sourceFile)); + case 217 /* ClassDeclaration */: + var classDeclaration = node.parent; + return spanInNodeIfStartsOnSameLine(ts.findPrecedingToken(node.pos, sourceFile, node.parent), classDeclaration.members.length ? classDeclaration.members[0] : classDeclaration.getLastToken(sourceFile)); + case 223 /* CaseBlock */: + return spanInNodeIfStartsOnSameLine(node.parent.parent, node.parent.clauses[0]); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseBraceToken(node) { + switch (node.parent.kind) { + case 222 /* ModuleBlock */: + // If this is not instantiated module block no bp span + if (ts.getModuleInstanceState(node.parent.parent) !== 1 /* Instantiated */) { + return undefined; + } + case 220 /* EnumDeclaration */: + case 217 /* ClassDeclaration */: + // Span on close brace token + return textSpan(node); + case 195 /* Block */: + if (ts.isFunctionBlock(node.parent)) { + // Span on close brace token + return textSpan(node); + } + // fall through. + case 247 /* CatchClause */: + return spanInNode(ts.lastOrUndefined(node.parent.statements)); + case 223 /* CaseBlock */: + // breakpoint in last statement of the last clause + var caseBlock = node.parent; + var lastClause = ts.lastOrUndefined(caseBlock.clauses); + if (lastClause) { + return spanInNode(ts.lastOrUndefined(lastClause.statements)); + } + return undefined; + case 164 /* ObjectBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return spanInNode(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + // Default to parent node + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var objectLiteral = node.parent; + return textSpan(ts.lastOrUndefined(objectLiteral.properties) || objectLiteral); + } + return spanInNode(node.parent); + } + } + function spanInCloseBracketToken(node) { + switch (node.parent.kind) { + case 165 /* ArrayBindingPattern */: + // Breakpoint in last binding element or binding pattern if it contains no elements + var bindingPattern = node.parent; + return textSpan(ts.lastOrUndefined(bindingPattern.elements) || bindingPattern); + default: + if (ts.isArrayLiteralOrObjectLiteralDestructuringPattern(node.parent)) { + // Breakpoint in last binding element or binding pattern if it contains no elements + var arrayLiteral = node.parent; + return textSpan(ts.lastOrUndefined(arrayLiteral.elements) || arrayLiteral); + } + // Default to parent node + return spanInNode(node.parent); + } + } + function spanInOpenParenToken(node) { + if (node.parent.kind === 200 /* DoStatement */ || + node.parent.kind === 171 /* CallExpression */ || + node.parent.kind === 172 /* NewExpression */) { + return spanInPreviousNode(node); + } + if (node.parent.kind === 175 /* ParenthesizedExpression */) { + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInCloseParenToken(node) { + // Is this close paren token of parameter list, set span in previous token + switch (node.parent.kind) { + case 176 /* FunctionExpression */: + case 216 /* FunctionDeclaration */: + case 177 /* ArrowFunction */: + case 144 /* MethodDeclaration */: + case 143 /* MethodSignature */: + case 146 /* GetAccessor */: + case 147 /* SetAccessor */: + case 145 /* Constructor */: + case 201 /* WhileStatement */: + case 200 /* DoStatement */: + case 202 /* ForStatement */: + case 204 /* ForOfStatement */: + case 171 /* CallExpression */: + case 172 /* NewExpression */: + case 175 /* ParenthesizedExpression */: + return spanInPreviousNode(node); + // Default to parent node + default: + return spanInNode(node.parent); + } + } + function spanInColonToken(node) { + // Is this : specifying return annotation of the function declaration + if (ts.isFunctionLike(node.parent) || + node.parent.kind === 248 /* PropertyAssignment */ || + node.parent.kind === 139 /* Parameter */) { + return spanInPreviousNode(node); + } + return spanInNode(node.parent); + } + function spanInGreaterThanOrLessThanToken(node) { + if (node.parent.kind === 174 /* TypeAssertionExpression */) { + return spanInNextNode(node); + } + return spanInNode(node.parent); + } + function spanInWhileKeyword(node) { + if (node.parent.kind === 200 /* DoStatement */) { + // Set span on while expression + return textSpanEndingAtNextToken(node, node.parent.expression); + } + // Default to parent node + return spanInNode(node.parent); + } + function spanInOfKeyword(node) { + if (node.parent.kind === 204 /* ForOfStatement */) { + // set using next token + return spanInNextNode(node); + } + // Default to parent node + return spanInNode(node.parent); + } + } + } + BreakpointResolver.spanInSourceFileAtLocation = spanInSourceFileAtLocation; + })(BreakpointResolver = ts.BreakpointResolver || (ts.BreakpointResolver = {})); +})(ts || (ts = {})); +// +// Copyright (c) Microsoft Corporation. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +/// +/* @internal */ +var debugObjectHost = this; +// We need to use 'null' to interface with the managed side. +/* tslint:disable:no-null */ +/* tslint:disable:no-in-operator */ +/* @internal */ +var ts; +(function (ts) { + function logInternalError(logger, err) { + if (logger) { + logger.log("*INTERNAL ERROR* - Exception in typescript services: " + err.message); + } + } + var ScriptSnapshotShimAdapter = (function () { + function ScriptSnapshotShimAdapter(scriptSnapshotShim) { + this.scriptSnapshotShim = scriptSnapshotShim; + } + ScriptSnapshotShimAdapter.prototype.getText = function (start, end) { + return this.scriptSnapshotShim.getText(start, end); + }; + ScriptSnapshotShimAdapter.prototype.getLength = function () { + return this.scriptSnapshotShim.getLength(); + }; + ScriptSnapshotShimAdapter.prototype.getChangeRange = function (oldSnapshot) { + var oldSnapshotShim = oldSnapshot; + var encoded = this.scriptSnapshotShim.getChangeRange(oldSnapshotShim.scriptSnapshotShim); + // TODO: should this be '==='? + if (encoded == null) { + return null; + } + var decoded = JSON.parse(encoded); + return ts.createTextChangeRange(ts.createTextSpan(decoded.span.start, decoded.span.length), decoded.newLength); + }; + ScriptSnapshotShimAdapter.prototype.dispose = function () { + // if scriptSnapshotShim is a COM object then property check becomes method call with no arguments + // 'in' does not have this effect + if ("dispose" in this.scriptSnapshotShim) { + this.scriptSnapshotShim.dispose(); + } + }; + return ScriptSnapshotShimAdapter; + }()); + var LanguageServiceShimHostAdapter = (function () { + function LanguageServiceShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + this.loggingEnabled = false; + this.tracingEnabled = false; + // if shimHost is a COM object then property check will become method call with no arguments. + // 'in' does not have this effect. + if ("getModuleResolutionsForFile" in this.shimHost) { + this.resolveModuleNames = function (moduleNames, containingFile) { + var resolutionsInFile = JSON.parse(_this.shimHost.getModuleResolutionsForFile(containingFile)); + return ts.map(moduleNames, function (name) { + var result = ts.lookUp(resolutionsInFile, name); + return result ? { resolvedFileName: result } : undefined; + }); + }; + } + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + LanguageServiceShimHostAdapter.prototype.log = function (s) { + if (this.loggingEnabled) { + this.shimHost.log(s); + } + }; + LanguageServiceShimHostAdapter.prototype.trace = function (s) { + if (this.tracingEnabled) { + this.shimHost.trace(s); + } + }; + LanguageServiceShimHostAdapter.prototype.error = function (s) { + this.shimHost.error(s); + }; + LanguageServiceShimHostAdapter.prototype.getProjectVersion = function () { + if (!this.shimHost.getProjectVersion) { + // shimmed host does not support getProjectVersion + return undefined; + } + return this.shimHost.getProjectVersion(); + }; + LanguageServiceShimHostAdapter.prototype.useCaseSensitiveFileNames = function () { + return this.shimHost.useCaseSensitiveFileNames ? this.shimHost.useCaseSensitiveFileNames() : false; + }; + LanguageServiceShimHostAdapter.prototype.getCompilationSettings = function () { + var settingsJson = this.shimHost.getCompilationSettings(); + // TODO: should this be '==='? + if (settingsJson == null || settingsJson == "") { + throw Error("LanguageServiceShimHostAdapter.getCompilationSettings: empty compilationSettings"); + } + return JSON.parse(settingsJson); + }; + LanguageServiceShimHostAdapter.prototype.getScriptFileNames = function () { + var encoded = this.shimHost.getScriptFileNames(); + return this.files = JSON.parse(encoded); + }; + LanguageServiceShimHostAdapter.prototype.getScriptSnapshot = function (fileName) { + var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName); + return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot); + }; + LanguageServiceShimHostAdapter.prototype.getScriptVersion = function (fileName) { + return this.shimHost.getScriptVersion(fileName); + }; + LanguageServiceShimHostAdapter.prototype.getLocalizedDiagnosticMessages = function () { + var diagnosticMessagesJson = this.shimHost.getLocalizedDiagnosticMessages(); + if (diagnosticMessagesJson == null || diagnosticMessagesJson == "") { + return null; + } + try { + return JSON.parse(diagnosticMessagesJson); + } + catch (e) { + this.log(e.description || "diagnosticMessages.generated.json has invalid JSON format"); + return null; + } + }; + LanguageServiceShimHostAdapter.prototype.getCancellationToken = function () { + var hostCancellationToken = this.shimHost.getCancellationToken(); + return new ThrottledCancellationToken(hostCancellationToken); + }; + LanguageServiceShimHostAdapter.prototype.getCurrentDirectory = function () { + return this.shimHost.getCurrentDirectory(); + }; + LanguageServiceShimHostAdapter.prototype.getDefaultLibFileName = function (options) { + return this.shimHost.getDefaultLibFileName(JSON.stringify(options)); + }; + return LanguageServiceShimHostAdapter; + }()); + ts.LanguageServiceShimHostAdapter = LanguageServiceShimHostAdapter; + /** A cancellation that throttles calls to the host */ + var ThrottledCancellationToken = (function () { + function ThrottledCancellationToken(hostCancellationToken) { + this.hostCancellationToken = hostCancellationToken; + // Store when we last tried to cancel. Checking cancellation can be expensive (as we have + // to marshall over to the host layer). So we only bother actually checking once enough + // time has passed. + this.lastCancellationCheckTime = 0; + } + ThrottledCancellationToken.prototype.isCancellationRequested = function () { + var time = Date.now(); + var duration = Math.abs(time - this.lastCancellationCheckTime); + if (duration > 10) { + // Check no more than once every 10 ms. + this.lastCancellationCheckTime = time; + return this.hostCancellationToken.isCancellationRequested(); + } + return false; + }; + return ThrottledCancellationToken; + }()); + var CoreServicesShimHostAdapter = (function () { + function CoreServicesShimHostAdapter(shimHost) { + var _this = this; + this.shimHost = shimHost; + if ("directoryExists" in this.shimHost) { + this.directoryExists = function (directoryName) { return _this.shimHost.directoryExists(directoryName); }; + } + } + CoreServicesShimHostAdapter.prototype.readDirectory = function (rootDir, extension, exclude) { + var encoded = this.shimHost.readDirectory(rootDir, extension, JSON.stringify(exclude)); + return JSON.parse(encoded); + }; + CoreServicesShimHostAdapter.prototype.fileExists = function (fileName) { + return this.shimHost.fileExists(fileName); + }; + CoreServicesShimHostAdapter.prototype.readFile = function (fileName) { + return this.shimHost.readFile(fileName); + }; + return CoreServicesShimHostAdapter; + }()); + ts.CoreServicesShimHostAdapter = CoreServicesShimHostAdapter; + function simpleForwardCall(logger, actionDescription, action, logPerformance) { + var start; + if (logPerformance) { + logger.log(actionDescription); + start = Date.now(); + } + var result = action(); + if (logPerformance) { + var end = Date.now(); + logger.log(actionDescription + " completed in " + (end - start) + " msec"); + if (typeof result === "string") { + var str = result; + if (str.length > 128) { + str = str.substring(0, 128) + "..."; + } + logger.log(" result.length=" + str.length + ", result='" + JSON.stringify(str) + "'"); + } + } + return result; + } + function forwardJSONCall(logger, actionDescription, action, logPerformance) { + try { + var result = simpleForwardCall(logger, actionDescription, action, logPerformance); + return JSON.stringify({ result: result }); + } + catch (err) { + if (err instanceof ts.OperationCanceledException) { + return JSON.stringify({ canceled: true }); + } + logInternalError(logger, err); + err.description = actionDescription; + return JSON.stringify({ error: err }); + } + } + var ShimBase = (function () { + function ShimBase(factory) { + this.factory = factory; + factory.registerShim(this); + } + ShimBase.prototype.dispose = function (dummy) { + this.factory.unregisterShim(this); + }; + return ShimBase; + }()); + function realizeDiagnostics(diagnostics, newLine) { + return diagnostics.map(function (d) { return realizeDiagnostic(d, newLine); }); + } + ts.realizeDiagnostics = realizeDiagnostics; + function realizeDiagnostic(diagnostic, newLine) { + return { + message: ts.flattenDiagnosticMessageText(diagnostic.messageText, newLine), + start: diagnostic.start, + length: diagnostic.length, + /// TODO: no need for the tolowerCase call + category: ts.DiagnosticCategory[diagnostic.category].toLowerCase(), + code: diagnostic.code + }; + } + var LanguageServiceShimObject = (function (_super) { + __extends(LanguageServiceShimObject, _super); + function LanguageServiceShimObject(factory, host, languageService) { + _super.call(this, factory); + this.host = host; + this.languageService = languageService; + this.logPerformance = false; + this.logger = this.host; + } + LanguageServiceShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + /// DISPOSE + /** + * Ensure (almost) deterministic release of internal Javascript resources when + * some external native objects holds onto us (e.g. Com/Interop). + */ + LanguageServiceShimObject.prototype.dispose = function (dummy) { + this.logger.log("dispose()"); + this.languageService.dispose(); + this.languageService = null; + // force a GC + if (debugObjectHost && debugObjectHost.CollectGarbage) { + debugObjectHost.CollectGarbage(); + this.logger.log("CollectGarbage()"); + } + this.logger = null; + _super.prototype.dispose.call(this, dummy); + }; + /// REFRESH + /** + * Update the list of scripts known to the compiler + */ + LanguageServiceShimObject.prototype.refresh = function (throwOnError) { + this.forwardJSONCall("refresh(" + throwOnError + ")", function () { return null; }); + }; + LanguageServiceShimObject.prototype.cleanupSemanticCache = function () { + var _this = this; + this.forwardJSONCall("cleanupSemanticCache()", function () { + _this.languageService.cleanupSemanticCache(); + return null; + }); + }; + LanguageServiceShimObject.prototype.realizeDiagnostics = function (diagnostics) { + var newLine = ts.getNewLineOrDefaultFromHost(this.host); + return ts.realizeDiagnostics(diagnostics, newLine); + }; + LanguageServiceShimObject.prototype.getSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSyntacticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", function () { return _this.languageService.getSemanticClassifications(fileName, ts.createTextSpan(start, length)); }); + }; + LanguageServiceShimObject.prototype.getEncodedSyntacticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSyntacticClassifications('" + fileName + "', " + start + ", " + length + ")", + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSyntacticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getEncodedSemanticClassifications = function (fileName, start, length) { + var _this = this; + return this.forwardJSONCall("getEncodedSemanticClassifications('" + fileName + "', " + start + ", " + length + ")", + // directly serialize the spans out to a string. This is much faster to decode + // on the managed side versus a full JSON array. + function () { return convertClassifications(_this.languageService.getEncodedSemanticClassifications(fileName, ts.createTextSpan(start, length))); }); + }; + LanguageServiceShimObject.prototype.getSyntacticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSyntacticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSyntacticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getSemanticDiagnostics = function (fileName) { + var _this = this; + return this.forwardJSONCall("getSemanticDiagnostics('" + fileName + "')", function () { + var diagnostics = _this.languageService.getSemanticDiagnostics(fileName); + return _this.realizeDiagnostics(diagnostics); + }); + }; + LanguageServiceShimObject.prototype.getCompilerOptionsDiagnostics = function () { + var _this = this; + return this.forwardJSONCall("getCompilerOptionsDiagnostics()", function () { + var diagnostics = _this.languageService.getCompilerOptionsDiagnostics(); + return _this.realizeDiagnostics(diagnostics); + }); + }; + /// QUICKINFO + /** + * Computes a string representation of the type at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getQuickInfoAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getQuickInfoAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getQuickInfoAtPosition(fileName, position); }); + }; + /// NAMEORDOTTEDNAMESPAN + /** + * Computes span information of the name or dotted name at the requested position + * in the active file. + */ + LanguageServiceShimObject.prototype.getNameOrDottedNameSpan = function (fileName, startPos, endPos) { + var _this = this; + return this.forwardJSONCall("getNameOrDottedNameSpan('" + fileName + "', " + startPos + ", " + endPos + ")", function () { return _this.languageService.getNameOrDottedNameSpan(fileName, startPos, endPos); }); + }; + /** + * STATEMENTSPAN + * Computes span information of statement at the requested position in the active file. + */ + LanguageServiceShimObject.prototype.getBreakpointStatementAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBreakpointStatementAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBreakpointStatementAtPosition(fileName, position); }); + }; + /// SIGNATUREHELP + LanguageServiceShimObject.prototype.getSignatureHelpItems = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getSignatureHelpItems('" + fileName + "', " + position + ")", function () { return _this.languageService.getSignatureHelpItems(fileName, position); }); + }; + /// GOTO DEFINITION + /** + * Computes the definition location and file for the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDefinitionAtPosition(fileName, position); }); + }; + /// GOTO Type + /** + * Computes the definition location of the type of the symbol + * at the requested position. + */ + LanguageServiceShimObject.prototype.getTypeDefinitionAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getTypeDefinitionAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getTypeDefinitionAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getRenameInfo = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getRenameInfo('" + fileName + "', " + position + ")", function () { return _this.languageService.getRenameInfo(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findRenameLocations = function (fileName, position, findInStrings, findInComments) { + var _this = this; + return this.forwardJSONCall("findRenameLocations('" + fileName + "', " + position + ", " + findInStrings + ", " + findInComments + ")", function () { return _this.languageService.findRenameLocations(fileName, position, findInStrings, findInComments); }); + }; + /// GET BRACE MATCHING + LanguageServiceShimObject.prototype.getBraceMatchingAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getBraceMatchingAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getBraceMatchingAtPosition(fileName, position); }); + }; + /// GET SMART INDENT + LanguageServiceShimObject.prototype.getIndentationAtPosition = function (fileName, position, options /*Services.EditorOptions*/) { + var _this = this; + return this.forwardJSONCall("getIndentationAtPosition('" + fileName + "', " + position + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getIndentationAtPosition(fileName, position, localOptions); + }); + }; + /// GET REFERENCES + LanguageServiceShimObject.prototype.getReferencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getReferencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getReferencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.findReferences = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("findReferences('" + fileName + "', " + position + ")", function () { return _this.languageService.findReferences(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getOccurrencesAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getOccurrencesAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getOccurrencesAtPosition(fileName, position); }); + }; + LanguageServiceShimObject.prototype.getDocumentHighlights = function (fileName, position, filesToSearch) { + var _this = this; + return this.forwardJSONCall("getDocumentHighlights('" + fileName + "', " + position + ")", function () { + var results = _this.languageService.getDocumentHighlights(fileName, position, JSON.parse(filesToSearch)); + // workaround for VS document higlighting issue - keep only items from the initial file + var normalizedName = ts.normalizeSlashes(fileName).toLowerCase(); + return ts.filter(results, function (r) { return ts.normalizeSlashes(r.fileName).toLowerCase() === normalizedName; }); + }); + }; + /// COMPLETION LISTS + /** + * Get a string based representation of the completions + * to provide at the given source position and providing a member completion + * list if requested. + */ + LanguageServiceShimObject.prototype.getCompletionsAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getCompletionsAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getCompletionsAtPosition(fileName, position); }); + }; + /** Get a string based representation of a completion list entry details */ + LanguageServiceShimObject.prototype.getCompletionEntryDetails = function (fileName, position, entryName) { + var _this = this; + return this.forwardJSONCall("getCompletionEntryDetails('" + fileName + "', " + position + ", '" + entryName + "')", function () { return _this.languageService.getCompletionEntryDetails(fileName, position, entryName); }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForRange = function (fileName, start, end, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForRange('" + fileName + "', " + start + ", " + end + ")", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForRange(fileName, start, end, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsForDocument = function (fileName, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsForDocument('" + fileName + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsForDocument(fileName, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getFormattingEditsAfterKeystroke = function (fileName, position, key, options /*Services.FormatCodeOptions*/) { + var _this = this; + return this.forwardJSONCall("getFormattingEditsAfterKeystroke('" + fileName + "', " + position + ", '" + key + "')", function () { + var localOptions = JSON.parse(options); + return _this.languageService.getFormattingEditsAfterKeystroke(fileName, position, key, localOptions); + }); + }; + LanguageServiceShimObject.prototype.getDocCommentTemplateAtPosition = function (fileName, position) { + var _this = this; + return this.forwardJSONCall("getDocCommentTemplateAtPosition('" + fileName + "', " + position + ")", function () { return _this.languageService.getDocCommentTemplateAtPosition(fileName, position); }); + }; + /// NAVIGATE TO + /** Return a list of symbols that are interesting to navigate to */ + LanguageServiceShimObject.prototype.getNavigateToItems = function (searchValue, maxResultCount) { + var _this = this; + return this.forwardJSONCall("getNavigateToItems('" + searchValue + "', " + maxResultCount + ")", function () { return _this.languageService.getNavigateToItems(searchValue, maxResultCount); }); + }; + LanguageServiceShimObject.prototype.getNavigationBarItems = function (fileName) { + var _this = this; + return this.forwardJSONCall("getNavigationBarItems('" + fileName + "')", function () { return _this.languageService.getNavigationBarItems(fileName); }); + }; + LanguageServiceShimObject.prototype.getOutliningSpans = function (fileName) { + var _this = this; + return this.forwardJSONCall("getOutliningSpans('" + fileName + "')", function () { return _this.languageService.getOutliningSpans(fileName); }); + }; + LanguageServiceShimObject.prototype.getTodoComments = function (fileName, descriptors) { + var _this = this; + return this.forwardJSONCall("getTodoComments('" + fileName + "')", function () { return _this.languageService.getTodoComments(fileName, JSON.parse(descriptors)); }); + }; + /// Emit + LanguageServiceShimObject.prototype.getEmitOutput = function (fileName) { + var _this = this; + return this.forwardJSONCall("getEmitOutput('" + fileName + "')", function () { return _this.languageService.getEmitOutput(fileName); }); + }; + return LanguageServiceShimObject; + }(ShimBase)); + function convertClassifications(classifications) { + return { spans: classifications.spans.join(","), endOfLineState: classifications.endOfLineState }; + } + var ClassifierShimObject = (function (_super) { + __extends(ClassifierShimObject, _super); + function ClassifierShimObject(factory, logger) { + _super.call(this, factory); + this.logger = logger; + this.logPerformance = false; + this.classifier = ts.createClassifier(); + } + ClassifierShimObject.prototype.getEncodedLexicalClassifications = function (text, lexState, syntacticClassifierAbsent) { + var _this = this; + return forwardJSONCall(this.logger, "getEncodedLexicalClassifications", function () { return convertClassifications(_this.classifier.getEncodedLexicalClassifications(text, lexState, syntacticClassifierAbsent)); }, this.logPerformance); + }; + /// COLORIZATION + ClassifierShimObject.prototype.getClassificationsForLine = function (text, lexState, classifyKeywordsInGenerics) { + var classification = this.classifier.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics); + var result = ""; + for (var _i = 0, _a = classification.entries; _i < _a.length; _i++) { + var item = _a[_i]; + result += item.length + "\n"; + result += item.classification + "\n"; + } + result += classification.finalLexState; + return result; + }; + return ClassifierShimObject; + }(ShimBase)); + var CoreServicesShimObject = (function (_super) { + __extends(CoreServicesShimObject, _super); + function CoreServicesShimObject(factory, logger, host) { + _super.call(this, factory); + this.logger = logger; + this.host = host; + this.logPerformance = false; + } + CoreServicesShimObject.prototype.forwardJSONCall = function (actionDescription, action) { + return forwardJSONCall(this.logger, actionDescription, action, this.logPerformance); + }; + CoreServicesShimObject.prototype.resolveModuleName = function (fileName, moduleName, compilerOptionsJson) { + var _this = this; + return this.forwardJSONCall("resolveModuleName('" + fileName + "')", function () { + var compilerOptions = JSON.parse(compilerOptionsJson); + var result = ts.resolveModuleName(moduleName, ts.normalizeSlashes(fileName), compilerOptions, _this.host); + return { + resolvedFileName: result.resolvedModule ? result.resolvedModule.resolvedFileName : undefined, + failedLookupLocations: result.failedLookupLocations + }; + }); + }; + CoreServicesShimObject.prototype.getPreProcessedFileInfo = function (fileName, sourceTextSnapshot) { + return this.forwardJSONCall("getPreProcessedFileInfo('" + fileName + "')", function () { + // for now treat files as JavaScript + var result = ts.preProcessFile(sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()), /* readImportFiles */ true, /* detectJavaScriptImports */ true); + var convertResult = { + referencedFiles: [], + importedFiles: [], + ambientExternalModules: result.ambientExternalModules, + isLibFile: result.isLibFile + }; + ts.forEach(result.referencedFiles, function (refFile) { + convertResult.referencedFiles.push({ + path: ts.normalizePath(refFile.fileName), + position: refFile.pos, + length: refFile.end - refFile.pos + }); + }); + ts.forEach(result.importedFiles, function (importedFile) { + convertResult.importedFiles.push({ + path: ts.normalizeSlashes(importedFile.fileName), + position: importedFile.pos, + length: importedFile.end - importedFile.pos + }); + }); + return convertResult; + }); + }; + CoreServicesShimObject.prototype.getTSConfigFileInfo = function (fileName, sourceTextSnapshot) { + var _this = this; + return this.forwardJSONCall("getTSConfigFileInfo('" + fileName + "')", function () { + var text = sourceTextSnapshot.getText(0, sourceTextSnapshot.getLength()); + var result = ts.parseConfigFileTextToJson(fileName, text); + if (result.error) { + return { + options: {}, + files: [], + errors: [realizeDiagnostic(result.error, "\r\n")] + }; + } + var normalizedFileName = ts.normalizeSlashes(fileName); + var configFile = ts.parseJsonConfigFileContent(result.config, _this.host, ts.getDirectoryPath(normalizedFileName), /*existingOptions*/ {}, normalizedFileName); + return { + options: configFile.options, + files: configFile.fileNames, + errors: realizeDiagnostics(configFile.errors, "\r\n") + }; + }); + }; + CoreServicesShimObject.prototype.getDefaultCompilationSettings = function () { + return this.forwardJSONCall("getDefaultCompilationSettings()", function () { return ts.getDefaultCompilerOptions(); }); + }; + return CoreServicesShimObject; + }(ShimBase)); + var TypeScriptServicesFactory = (function () { + function TypeScriptServicesFactory() { + this._shims = []; + } + /* + * Returns script API version. + */ + TypeScriptServicesFactory.prototype.getServicesVersion = function () { + return ts.servicesVersion; + }; + TypeScriptServicesFactory.prototype.createLanguageServiceShim = function (host) { + try { + if (this.documentRegistry === undefined) { + this.documentRegistry = ts.createDocumentRegistry(host.useCaseSensitiveFileNames && host.useCaseSensitiveFileNames(), host.getCurrentDirectory()); + } + var hostAdapter = new LanguageServiceShimHostAdapter(host); + var languageService = ts.createLanguageService(hostAdapter, this.documentRegistry); + return new LanguageServiceShimObject(this, host, languageService); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createClassifierShim = function (logger) { + try { + return new ClassifierShimObject(this, logger); + } + catch (err) { + logInternalError(logger, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.createCoreServicesShim = function (host) { + try { + var adapter = new CoreServicesShimHostAdapter(host); + return new CoreServicesShimObject(this, host, adapter); + } + catch (err) { + logInternalError(host, err); + throw err; + } + }; + TypeScriptServicesFactory.prototype.close = function () { + // Forget all the registered shims + this._shims = []; + this.documentRegistry = undefined; + }; + TypeScriptServicesFactory.prototype.registerShim = function (shim) { + this._shims.push(shim); + }; + TypeScriptServicesFactory.prototype.unregisterShim = function (shim) { + for (var i = 0, n = this._shims.length; i < n; i++) { + if (this._shims[i] === shim) { + delete this._shims[i]; + return; + } + } + throw new Error("Invalid operation"); + }; + return TypeScriptServicesFactory; + }()); + ts.TypeScriptServicesFactory = TypeScriptServicesFactory; + if (typeof module !== "undefined" && module.exports) { + module.exports = ts; + } +})(ts || (ts = {})); +/* tslint:enable:no-in-operator */ +/* tslint:enable:no-null */ +/// TODO: this is used by VS, clean this up on both sides of the interface +/* @internal */ +var TypeScript; +(function (TypeScript) { + var Services; + (function (Services) { + Services.TypeScriptServicesFactory = ts.TypeScriptServicesFactory; + })(Services = TypeScript.Services || (TypeScript.Services = {})); +})(TypeScript || (TypeScript = {})); +/* tslint:disable:no-unused-variable */ +// 'toolsVersion' gets consumed by the managed side, so it's not unused. +// TODO: it should be moved into a namespace though. +/* @internal */ +var toolsVersion = "1.8"; +/* tslint:enable:no-unused-variable */